sysfs: registration_time: use ktime_get_ts

A fix to 03b3ce1a10: use ktime_get_ts
instead of getnstimeofday to better handle system time changes.
(Shaun Ruffell)

Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>

.gitignore

@@ -0,0 +1,50 @@
+# Files that are generated as part of the build process which we do not want git
+# to track.
+
+*.[oa]
+*.mod
+*.mod.[oc]
+*.ko
+*.ko.unsigned
+*.cmd
+*.order
+*.tar.gz
+tags
+cscope.*
+*.symvers
+*.markers
+.*.o.d
+
+README.html
+modules.order
+Module.markers
+build_tools/checkpatch.pl
+drivers/dahdi/xpp/*.verified
+drivers/dahdi/.tmp_versions/
+drivers/dahdi/Module.symvers
+drivers/dahdi/makefw
+drivers/dahdi/radfw.h
+drivers/dahdi/tor2fw.h
+drivers/dahdi/xpp/init_fxo_modes
+drivers/dahdi/xpp/print_fxo_modes
+drivers/dahdi/xpp/xpp_version.h
+include/dahdi/version.h
+drivers/dahdi/vpmadt032_loader/vpmadt032_loader.h
+drivers/dahdi/vpmadt032_loader/vpmadt032_x86_32.o_shipped
+drivers/dahdi/vpmadt032_loader/vpmadt032_x86_64.o_shipped
+drivers/dahdi/firmware/dahdi-fw-hx8.bin
+drivers/dahdi/firmware/dahdi-fw-oct6114-064.bin
+drivers/dahdi/firmware/dahdi-fw-oct6114-128.bin
+drivers/dahdi/firmware/dahdi-fw-oct6114-256.bin
+drivers/dahdi/firmware/dahdi-fw-tc400m.bin
+drivers/dahdi/firmware/dahdi-fw-te820.bin
+drivers/dahdi/firmware/dahdi-fw-vpmoct032.bin
+drivers/dahdi/firmware/dahdi-fw-a4a.bin
+drivers/dahdi/firmware/dahdi-fw-a4b.bin
+drivers/dahdi/firmware/dahdi-fw-a8a.bin
+drivers/dahdi/firmware/dahdi-fw-a8b.bin
+drivers/dahdi/firmware/dahdi-fw-oct6114-032.bin
+drivers/dahdi/firmware/dahdi-fw-te133.bin
+drivers/dahdi/firmware/dahdi-fw-te134.bin
+drivers/dahdi/firmware/dahdi-fw-te435.bin
+drivers/dahdi/firmware/make_firmware_object

Makefile

@@ -47,8 +47,6 @@ ifeq (yes,$(HAS_KSRC))
   HOTPLUG_FIRMWARE:=$(shell if grep -q '^CONFIG_FW_LOADER=[ym]' $(KCONFIG); then echo "yes"; else echo "no"; fi)
 endif
 
-UDEV_DIR:=/etc/udev/rules.d
-
 MODULE_ALIASES:=wcfxs wctdm8xxp wct2xxp
 
 INST_HEADERS:=kernel.h user.h fasthdlc.h wctdm_user.h dahdi_config.h
@@ -64,17 +62,7 @@ ASCIIDOC_CMD:=$(ASCIIDOC) -n -a toc -a toclevels=4
 
 GENERATED_DOCS:=README.html
 
-ifneq ($(wildcard .version),)
-  DAHDIVERSION:=$(shell cat .version)
-else
-ifneq ($(wildcard .svn),)
-  DAHDIVERSION:=$(shell build_tools/make_version . dahdi/linux)
-else
-ifneq ($(wildcard .git),)
-  DAHDIVERSION:=$(shell build_tools/make_version . dahdi/linux)
-endif
-endif
-endif
+DAHDIVERSION:=$(shell build_tools/make_version . dahdi/linux)
 
 all: modules
 
@@ -97,7 +85,7 @@ prereq: include/dahdi/version.h firmware-loaders
 stackcheck: $(CHECKSTACK) modules
 	objdump -d drivers/dahdi/*.ko drivers/dahdi/*/*.ko | $(CHECKSTACK)
 
-install: all install-modules install-devices install-include install-firmware install-xpp-firm
+install: all install-modules install-include install-firmware install-xpp-firm
 	@echo "###################################################"
 	@echo "###"
 	@echo "### DAHDI installed successfully."
@@ -106,7 +94,7 @@ install: all install-modules install-devices install-include install-firmware in
 	@echo "###"
 	@echo "###################################################"
 
-uninstall: uninstall-modules uninstall-devices uninstall-include uninstall-firmware
+uninstall: uninstall-modules uninstall-include uninstall-firmware
 
 install-modconf:
 	build_tools/genmodconf $(BUILDVER) "$(ROOT_PREFIX)" "$(filter-out dahdi dahdi_dummy xpp dahdi_transcode dahdi_dynamic,$(BUILD_MODULES)) $(MODULE_ALIASES)"
@@ -140,14 +128,6 @@ uninstall-include:
 	done
 	-rmdir $(DESTDIR)/usr/include/dahdi
 
-install-devices:
-	install -d $(DESTDIR)$(UDEV_DIR)
-	build_tools/genudevrules > $(DESTDIR)$(UDEV_DIR)/dahdi.rules
-	install -m 644 drivers/dahdi/xpp/xpp.rules $(DESTDIR)$(UDEV_DIR)/
-
-uninstall-devices:
-	rm -f $(DESTDIR)$(UDEV_DIR)/dahdi.rules
-
 install-modules: modules
 ifndef DESTDIR
 	@if modinfo zaptel > /dev/null 2>&1; then \
@@ -189,12 +169,16 @@ update:
 		echo "Not under version control";  \
 	fi
 
+dist:
+	@./build_tools/make_dist "dahdi-linux" "$(DAHDIVERSION)"
+
 clean:
 ifneq (no,$(HAS_KSRC))
 	$(KMAKE) clean
 endif
 	@rm -f $(GENERATED_DOCS)
 	$(MAKE) -C drivers/dahdi/firmware clean
+	$(MAKE) -C $(KSRC) M='$(PWD)/drivers/dahdi/oct612x' clean
 
 distclean: dist-clean
 
@@ -217,6 +201,6 @@ README.html: README
 dahdi-api.html: drivers/dahdi/dahdi-base.c
 	build_tools/kernel-doc --kernel $(KSRC) $^ >$@
 
-.PHONY: distclean dist-clean clean all install devices modules stackcheck install-udev update install-modules install-include uninstall-modules firmware-download install-xpp-firm firmware-loaders
+.PHONY: distclean dist-clean clean all install devices modules stackcheck install-udev update install-modules install-include uninstall-modules firmware-download install-xpp-firm firmware-loaders dist
 
 FORCE:

README

@@ -163,6 +163,24 @@ to the script:
   ./build_tools/make_static_devs -d tmp/newroot/dev/dahdi
 
 
+DKMS
+~~~~
+DKMS, Dynamic Kernel Module Support, is a framework for building Linux
+kernel modules. It is used, among others, by several distributions that
+package the DAHDI kernel modules.
+
+DKMS is designed to provide updates over drivers installed from original
+kernel modules tree. Thus it installed modules into /lib/modules/updates
+or /lib/modules/VERSION/updates . This is generally not an issue on
+normal operation. However if you try to install DAHDI from source on
+a system with DAHDI installed from DKMS this way (potentially of an
+older version), be sure to remove the DKMS-installed modules from the
+updates directory. If you're not sure, the following command will give
+you a clue of the versions installed:
+
+  find /lib/modules -name dahdi.ko
+
+
 Installing the B410P drivers with mISDN
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 DAHDI includes the wcb4xxp driver for the B410P, however, support for the
@@ -212,13 +230,10 @@ under driver/staging/echo . In fact, dahdi_echocan_oslec assumes that
 this is where the oslec code lies. If it is elsewhere you'll need to fix
 the #include line.
 
-Thus for the moment, the simplest way to build OSLEC with dahdi is:
-
-1. Copy the directory `drivers/staging/echo` from a recent kernel tree 
-   (at least 2.6.28-rc1) to the a subdirectory with the same name in the
-   dahdi-linux tree.
-
-2. Edit drivers/dahdi/Kbuild and uncomment the two lines related to OSLEC.
+Thus for the moment, the simplest way to build OSLEC with dahdi is to
+copy the directory `drivers/staging/echo` from a recent kernel tree (at
+least 2.6.28-rc1) to the a subdirectory with the same name in the
+dahdi-linux tree.
 
 After doing that, you'll see the following when building (running
 'make')
@@ -233,6 +248,15 @@ be reported on the
 https://lists.sourceforge.net/lists/listinfo/freetel-oslec[OSLEC mailing
 list].
 
+Alternatively you can also get the OSLEC code from the dahdi-linux-extra
+GIT repository:
+
+  git clone git://gitorious.org/dahdi-extra/dahdi-linux-extra.git
+  cd dahdi-linux-extra
+  git archive extra-2.6 drivers/staging | (cd ..; tar xf -)
+  cd ..; rm -rf dahdi-linux-extra
+
+
 Live Install
 ~~~~~~~~~~~~
 In many cases you already have DAHDI installed on your system but would
@@ -421,54 +445,17 @@ reside directly under /sys/module/'module_name' .
 
 Useful module parameters:
 
-debug (most modules)::
-  Sets debug mode / debug level. With most modules 'debug' can be either
-  disabled (0, the default value) or enabled (any other value). 
-  +
-  +
-  wctdm and wcte1xp print several extra debugging messages if the value
-  of debug is more than 1.
-  +
-  +
-  Some modules have "debugging flags" bits - the value of debug is a
-  bitmask and several messages are printed if some bits are set:
-  - wctdm24xxp:
-    * 1: DEBUG_CARD
-    * 2: DEBUG_ECHOCAN
-  - wct4xxp:
-    * 1: DEBUG_MAIN
-    * 2: DEBUG_DTMF
-    * 4: DEBUG_REGS
-    * 8: DEBUG_TSI
-    * 16: DEBUG_ECHOCAN
-    * 32: DEBUG_RBS
-    * 64: DEBUG_FRAMER
-  - xpp: See also README.Astribank:
-    * 1: GENERAL - General debug comments.
-    * 2: PCM - PCM-related messages. Tend to flood logs.
-    * 4: LEDS - Anything related to the LEDs status control. The driver
-      produces a lot of messages when the option is enabled.
-    * 8: SYNC - Synchronization related messages.
-    * 16: SIGNAL - DAHDI signalling related messages.
-    * 32: PROC - Messages related to the procfs interface.
-    * 64: REGS - Reading and writing to chip registers. Tends to flood
-          logs.
-    * 128: DEVICES - Device instantiation, destruction and such.
-    * 256 - COMMANDS - Protocol commands. Tends to flood logs.
+=== debug
+(most modules)
 
-deftaps (dahdi)::
-  The default size for the echo canceller. The number is in "taps", that
-  is "samples", 1/8 ms. The default is 64 - for a tail size of 8 ms.
-  +
-  +
-  Asterisk's chan_dahdi tends to pass its own value anyway, with a
-  different default size. So normally setting this doesn't change
-  anything.
+Sets debug mode / debug level. With most modules 'debug' can be either
+disabled (0, the default value) or enabled (any other value). 
 
-max_pseudo_channels (dahdi)::
-  The maximum number of pseudo channels that dahdi will allow userspace to
-  create.  Pseudo channels are used when conferencing channels together.
-  The default is 512.
+wctdm and wcte1xp print several extra debugging messages if the value
+of debug is more than 1.
+
+Some modules have "debugging flags" bits - the value of debug is a
+bitmask and several messages are printed if some bits are set:
 
 To get a list of parameters supported by a module, use 
 
@@ -476,13 +463,188 @@ To get a list of parameters supported by a module, use
 
 Or, for a module you have just built:
 
-  modinfo ./module_name.ko
+  modinfo ./drivers/dahdi/module_name.ko
 
 For the xpp modules this will also include the description and default
 value of the module. You can find a list of useful xpp module parameters
 in README.Astribank .
 
 
+- wctdm24xxp:
+  * 1: DEBUG_CARD
+  * 2: DEBUG_ECHOCAN
+- wct4xxp:
+  * 1: DEBUG_MAIN
+  * 2: DEBUG_DTMF
+  * 4: DEBUG_REGS
+  * 8: DEBUG_TSI
+  * 16: DEBUG_ECHOCAN
+  * 32: DEBUG_RBS
+  * 64: DEBUG_FRAMER
+- xpp: See also README.Astribank:
+  * 1: GENERAL - General debug comments.
+  * 2: PCM - PCM-related messages. Tend to flood logs.
+  * 4: LEDS - Anything related to the LEDs status control. The driver
+    produces a lot of messages when the option is enabled.
+  * 8: SYNC - Synchronization related messages.
+  * 16: SIGNAL - DAHDI signalling related messages.
+  * 32: PROC - Messages related to the procfs interface.
+  * 64: REGS - Reading and writing to chip registers. Tends to flood
+        logs.
+  * 128: DEVICES - Device instantiation, destruction and such.
+  * 256 - COMMANDS - Protocol commands. Tends to flood logs.
+  +
+  +
+  The script xpp_debug in the source tree can help settting them at run
+  time.
+
+=== deftaps
+(dahdi)
+
+The default size for the echo canceller. The number is in "taps", that
+is "samples", 1/8 ms. The default is 64 - for a tail size of 8 ms.
+
+Asterisk's chan_dahdi tends to pass its own value anyway, with a
+different default size. So normally setting this doesn't change
+anything.
+
+=== max_pseudo_channels
+(dahdi)
+
+The maximum number of pseudo channels that dahdi will allow userspace to
+create.  Pseudo channels are used when conferencing channels together.
+The default is 512.
+
+=== auto_assign_spans
+(dahdi)
+
+See <<_span_assignments,Span Assignments>> below.
+
+XPP (Astribank) module parameters
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+==== debug
+(all modules) - see above.
+
+==== dahdi_autoreg
+(xpp)
+
+Deprecated. See dahdi.<<_auto_assign_spans,auto_assign_spans>> above.
+
+Originally had a somewhat similar (but xpp-specific and more limited)
+role to auto_assign_spans. For backward compatibility this variable is
+still kept, but its value is unused. Astribanks will auto-register
+with dahdi if auto_assign_spans is not set.
+
+==== tools_rootdir
+(xpp)
+
+Defaults to /. Passed (as the variable DAHDI_TOOLS_ROOTDIR) to generated
+events (which can be used in udev hooks). Also serves as the base of
+the variable DAHDI_INIT_DIR (by default: $DAHDI_TOOLS_DIR/usr/share/dahdi).
+
+==== initdir
+(xpp)
+
+Deprecated. Setting both initdir and tools_rootdir will generate an error.
+
+A directory under tools_rootdir containing the initialization scripts.
+The default is /usr/share/dahdi .
+Setting this value could be useful if that location is inconvenient for you.
+
+==== rx_tasklet
+(xpp)
+
+Enable (1) or disable (0) doing most of the packets processing in
+separate tasklets. This should probably help on higher-end systems with
+multiple Astribanks.
+
+==== vmwi_ioctl
+(xpd_fxs)
+
+Does userspace support VMWI notification via ioctl? Default: 1 (yes).
+
+Disable this (0) to have the driver attempt to detect the voicemail
+message waiting indication status for this port from FSK messages
+userspace (Asterisk) sends. Set the ports to use AC neon-lamp style
+message waiting indication. The detection from the FSK messages takes
+extra CPU cycles but is required with e.g. Asterisk < 1.6.0 .
+
+Also note that in order for this parameter to take effect, it must be
+set before the span is registered. This practically means that it
+should be set through modprobe.d files.
+
+See also Voicemail Indication in README.Astribank.
+
+==== usb1
+(xpp_usb)
+
+Enable (1) or disable (0) support of USB1 devices. Disabled by default.
+
+USB1 devices are not well-tested. It seems that they don't work at all
+for Astribank BRI. Generally they should work with the current code, but
+we expect the voice quality issues. Hence we would like to make it
+very clear that you if you have a USB1 port (rather than a USB2 one, as
+recommended) you will have to take an action to enable the device.
+
+==== poll intervals
+(various)
+
+There are various values which the driver occasionally polls the
+device for. For instance, the parameter poll_battery_interval for
+xpd_fxo to poll the battery, in order to know if the telco line is
+actually connected.
+
+The value of those parameters is typically a number in milliseconds.
+0 is used to disable polling. Under normal operation there should be
+no reason to play with those parameters.
+
+==== dtmf_detection
+(xpd_fxs)
+
+Enable (1) or disable (0) support of hardware DTMF detection by the
+Astribank.
+
+==== caller_id_style
+(xpd_fxo)
+
+Various types of caller ID signalling styles require knowing the PCM
+even when the line is on-hook (which is usually a waste of CPU and
+bandwidth). This parameter allows fine-tuning the behaviour here:
+
+* 0 (default) - Don't pass extra PCM when on-hook.
+* 1 ETSI-FSK: Wait for polarity reversal to come before a ring and
+  then start passing PCM until the caller ID has been passed.
+* 2 ETSI-DTMF: Always pass PCM and generate a DTMF if polarity reversal is
+  detected before ring.
+* 3 Passthrough: Always pass PCM as-is.
+
+This parameter is read-only. It cannot be changed at run-time.
+
+==== battery_threshold
+(xpd_fxo)
+
+Minimum voltage that shows there is battery. Defaults to 3. Normally you
+should not need to change this, unless dealing with a funky PSTN
+provider.
+
+==== battery_debounce
+(xpd_fxo)
+
+Minimum interval (msec) for detection of battery off (as opposed to e.g.
+a temporary power denial to signal a hangup). Defaults to 1000. As with
+battery_threshold above, there's normally no need to tweak it.
+
+==== use_polrev_firmware
+(xpd_fxo)
+
+Enable (1, default) or disable (0) support for polarity reversal
+detection in the hardware. Only has effect with PIC_TYPE_2.hex rev. >=
+11039 and with the initialization changes (init_card_2_30) in rev.
+949aa49.
+
+This parameter is read-only. It cannot be changed at run-time.
+
+
 Internals
 ---------
 DAHDI Device Files
@@ -494,9 +656,14 @@ or dynamically through the udev system.
 
 * /dev/dahdi/ctl (196:0) - a general device file for various information and
   control operations on the DAHDI channels.
+* /dev/dahdi/chan/N/M - A device file for channel M in span N
+  - Both N and M are zero padded 3 digit numbers
+  - Both N and M start at 001
+  - M is chanpos - numbering relative to the current span.
 * /dev/dahdi/NNN (196:NNN) - for NNN in the range 1-249. A device file for
   DAHDI channel NNN. It can be used to read data from the channel
-  and write data to the channel.
+  and write data to the channel. It is not generated by default but may
+  be generated as a symlink using udev rules.
 * /dev/dahdi/transcode (196:250) - Used to connect to a DAHDI transcoding
   device.
 * /dev/dahdi/timer (196:253) - Allows setting timers. Used anywhere?
@@ -730,11 +897,12 @@ to other nodes.
 
 Class DAHDI
 ^^^^^^^^^^^
-under /sys/class/dadhi there exists a node for each DAHDI device file
-under /dev/dahdi. The name is 'dahdi!foo' for the file '/dev/dahdi/foo'
-(udev translates exclamation marks to slashes). Those nodes are not, for
-the most part, proper SysFS nodes, and don't include any interesting
-properties.
+Under /sys/class/dadhi there exists a node for the non-channel DAHDI
+device file under /dev/dahdi. The name is 'dahdi!foo' for the file
+'/dev/dahdi/foo' (udev translates exclamation marks to slashes). Those
+nodes are not, for the most part, proper SysFS nodes, and don't include
+any interesting properties. The files in this class `ctl`, `timer`,
+`channel`, `pseudo` and (if exists) `transcode`.
 
 
 Devices Bus
@@ -759,6 +927,10 @@ A unique hardware-level identifier (e.g. serial number), if available.
 ===== /sys/bus/dahdi_devices/devices/DEVICE/manufacturer
 The name of the manufacturer. Freeform-string.
 
+===== /sys/bus/dahdi_devices/devices/DEVICE/registration_time
+The time at which the device registered with the DAHDI core. Example
+value: "0005634136.941901429".
+
 ===== /sys/bus/dahdi_devices/devices/DEVICE/spantype
 A line for each available span: <num>:<type>. This has to be provided
 here as in the case of manual assignment, userspace may need to know
@@ -805,6 +977,12 @@ A free-form description of the span.
 ===== /sys/bus/dahdi_spans/devices/span-N/lbo
 LBO setting for the channel.
 
+===== /sys/bus/dahdi_spans/devices/span-N/lineconfig
+The framing and coding of the span, for a digital span. Textual
+represenation:
+
+<B8ZS|AMI|HDB3>/<D4|ESF|CCS>[/CRC4]
+
 ===== /sys/bus/dahdi_spans/devices/span-N/local_spanno
 The number of the span within the DAHDI device.
 
@@ -817,6 +995,66 @@ A very short type string.
 ===== /sys/bus/dahdi_spans/devices/span-N/syncsrc
 Current sync source.
 
+==== sys/bus/dahdi_spans/drivers/generic_lowlevel/master_span
+All spans in the bus are handled by a single driver. The driver has one
+non-standard attribute: master_span. printing it shows the current DAHDI
+master span writing a number to it forces setting this span as the master
+span.
+
+
+Channels Bus
+^^^^^^^^^^^^
+Each DAHDI channel is represented by a node under
+/sys/bus/dahdi_channels/devices with the name 'dahdi!channels!N!M'
+(where N is the number of the span and M is the number of the channel
+in the span - chanpos). Channels of each span also reside under the node
+of the span.
+
+Useful attributes in the channel node (All attributed listed below are
+read-only):
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/alarms
+List of names of the current active alarms (space separated). Normally
+(no alarms) empty. Example:
+
+  RED YELLOW
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/blocksize
+The block size set by userspace.
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/channo
+The (global) channel number.
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/chanpos
+The channel number within the span.
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/dev
+Major and minor device numbers.
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/ec_factory
+The name of the echo canceller to be used in the channel, if one is
+configured. Example:
+
+  MG2
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/ec_state
+State of the echo canceller. ACTIVE: configured and inuse. INACTIVE
+otherwise.
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/in_use
+1 if the channel is in use (was opepend by userspace), 0 otherwise.
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/name
+A name string for the channel
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/sig
+The signalling types set for the channel. A space-separated list of
+signalling types.
+
+===== /sys/bus/dahdi_spans/devices/span-N/dahdi!channels!N!M/sigcap
+The signalling types this channel may be configured to handle. A space-
+separated list of signalling types.
+
 
 User-space Interface
 ~~~~~~~~~~~~~~~~~~~~

build_tools/dkms-helper

@@ -0,0 +1,123 @@
+#!/bin/sh
+
+set -e
+
+DKMS=$(which dkms)
+
+usage() {
+    echo "$(basename $0): Helper functions for DKMS (Dynamic Kernel Module Support)"
+    echo "Usage: $0 [add|remove|generate_conf]"
+    echo "Options:"
+    echo "   remove -a  : Remove all versions of DAHDI for all kernels."
+    echo ""
+    echo "Examples:"
+    echo ""
+    echo "  build_tools/dkms-helper add"
+    echo "            Installs the current version of DAHDI into the DKMS system."
+    echo ""
+    echo "  build_tools/dkms-helper remove"
+    echo "            Removes the current version of DAHDI from all kernels."
+    echo ""
+    echo "  build_tools/dkms-helper generate_conf > dkms.conf"
+    echo "            Create a dkms.conf based on the currently compiled kernel"
+    echo "            modules. This is also done as part of add and is not"
+    echo "            normally needed as a separate step."
+    echo ""
+    echo "NOTE: Because firmware files could be different between different"
+    echo "versions of DAHDI, and the firmware files are installed into the common"
+    echo "/lib/firmware directory, you should remove a given version of DAHDI from all"
+    echo "kernels before installing a new version of DAHDI to avoid potential"
+    echo "conflicts."
+    echo ""
+}
+
+generate_configuration() {
+    echo 'PACKAGE_NAME="dahdi-linux"'
+    echo "PACKAGE_VERSION=\"$(build_tools/make_version .)\""
+    echo 'MAKE="make KSRC=/lib/modules/${kernelver}/build"'
+    echo 'CLEAN="make clean"'
+    echo 'AUTOINSTALL="yes"'
+    let "module_number=0" || true
+    for file in $(find ./ -type f -name "*.ko"); do
+        MODULE_LOCATION=$(dirname $file | cut -d\/ -f 2-)
+        echo "BUILT_MODULE_NAME[$module_number]=\"$(basename $file .ko)\""
+        echo "BUILT_MODULE_LOCATION[$module_number]=\"$MODULE_LOCATION\""
+        echo "DEST_MODULE_LOCATION[$module_number]=\"/kernel/dahdi/$(echo $MODULE_LOCATION | cut -d\/ -f 3-)\""
+        let "module_number=${module_number}+1" || true
+    done
+    if [ $module_number -eq 0 ]; then
+        echo "WARNING: You should build the modules before generating a config." >&2
+        exit 1
+    fi
+}
+
+add() {
+    GIT=$(which git)
+    VERSION="$(build_tools/make_version .)"
+    if [ $(id -u) != "0" ]; then
+        echo "You must run $0 as root."
+        exit 1
+    fi
+    echo "Building for version ${VERSION}"
+    make > /dev/null
+    echo "Copying to /usr/src/dahdi-linux-${VERSION}"
+    if [ ! -d /usr/src/dahdi-linux-${VERSION} ]; then
+        if [ -d .git ]; then
+            ${GIT} checkout-index -a --prefix=/usr/src/dahdi-linux-${VERSION}/
+        else
+            cp -f -r * /usr/src/dahdi-linux-${VERSION}/
+        fi
+    fi
+    make -C /usr/src/dahdi-linux-${VERSION} install-firmware firmware-loaders
+    build_tools/dkms-helper generate_conf > /usr/src/dahdi-linux-${VERSION}/dkms.conf
+    echo $VERSION > /usr/src/dahdi-linux-${VERSION}/.version
+    ${DKMS} add -m dahdi-linux -v ${VERSION}
+    ${DKMS} build -m dahdi-linux -v ${VERSION}
+    ${DKMS} install --force -m dahdi-linux -v ${VERSION}
+}
+
+remove() {
+    if [ $(id -u) != "0" ]; then
+        echo "You must run $0 as root."
+        exit 1
+    fi
+    REMOVE_ALL=false
+    shift
+    while getopts "a" opt; do
+        case $opt in
+        a) REMOVE_ALL=true ;;
+        *) echo "Unknown option to remove" ; exit 1;;
+        esac    
+    done
+    if [ $REMOVE_ALL == true ]; then
+        # Remove all installed dahdi versions for all kernels.
+        for version in $(${DKMS} status -m dahdi-linux | cut -d, -f 2 | sed -e "s/^\s\+//"); do
+	    echo "Removing version ${version}"
+            ${DKMS} remove -m dahdi-linux -v ${version} --all
+	    rm -f -r /usr/src/dahdi-linux-${version}
+        done
+    else
+        # Just remove the version for the current tree.
+        GIT=$(which git)
+        VERSION="$(build_tools/make_version .)"
+        ${DKMS} remove -m dahdi-linux -v ${VERSION} --all
+        if [ -e /usr/src/dahdi-linux-${VERSION}/dkms.conf ]; then
+            rm -f -r /usr/src/dahdi-linux-${VERSION}
+        else
+            echo "/usr/src/dahdi-linux-${VERSION} not a dkms dir?"
+            exit 1
+        fi
+    fi
+}
+
+# Run the command...
+shift $(($OPTIND-1))
+COMMAND=$1
+case $COMMAND in 
+    add) add $*; exit $? ;;
+    remove) remove $* ; exit $? ;; 
+    generate_conf) generate_configuration; exit $? ;;
+    *) echo "unknown command $0" ; usage; exit 1;;
+esac
+
+exit 0

build_tools/genudevrules

@@ -1,40 +0,0 @@
-#!/bin/sh
-
-ver=`udevinfo -V | cut -f3 -d" "`
-
-if [ -z "${ver}" ]; then
-   # Not found - try udevadm
-   ver=`udevadm info -V | cut -f3 -d" "`
-
-   if [ -z "${ver}" ]; then
-      # nobody has that old version, anyway.
-      ver=54
-   fi
-fi
-
-# udev versions prior to 055 use a single '=' for matching key values
-# udev versions 055 and later support '==' for that purpose, and versions
-# beyond 092 will probably make it mandatory
-#
-# very old versions of udev required naming rules and permissions rules to be
-# in separate files, but it's not clear at what version number that changed
-
-if [ ${ver} -gt 54 ]; then
-    match="=="
-else
-    match="="
-fi
-
-cat <<EOF
-# udev rules to generate the /dev/dahdi device files (if not yet provided 
-# by your distribution):
-KERNEL${match}"dahdictl", NAME="dahdi/ctl"
-KERNEL${match}"dahditranscode", NAME="dahdi/transcode"
-KERNEL${match}"dahditimer", NAME="dahdi/timer"
-KERNEL${match}"dahdichannel", NAME="dahdi/channel"
-KERNEL${match}"dahdipseudo", NAME="dahdi/pseudo"
-KERNEL${match}"dahdi[0-9]*", NAME="dahdi/%n"
-
-# DAHDI devices with ownership/permissions for running as non-root
-SUBSYSTEM${match}"dahdi",  OWNER="asterisk", GROUP="asterisk", MODE="0660"
-EOF

build_tools/live_dahdi

@@ -61,7 +61,7 @@ export ASTRIBANK_HEXLOAD
 
 # make sure Astribank initialization scripts are from our tree.
 xpp_ARGS="$xpp_ARGS initdir=$FIRMWARE_DIR"
-#dahdi_ARGS="$dahdi_ARGS initdir=$FIRMWARE_DIR"
+dahdi_ARGS="$dahdi_ARGS tools_rootdir=$DESTDIR"
 
 if [ "$DYNAMIC_LOC" = 'yes' ]; then
 	MODULES_LOAD="$MODULES_LOAD dahdi_dynamic dahdi_dynamic_loc"

build_tools/make_dist

@@ -0,0 +1,26 @@
+#! /bin/sh
+
+if [ "$#" -ne 2 ]; then
+	echo >&2 "Usage: $0 <package> <version>"
+	exit 1
+fi
+package="$1"
+version="$2"
+tarball_prefix="$package-$version"
+echo "I: Making dist tarball for $tarball_prefix"
+tarball_name="$tarball_prefix.tar.gz"
+
+tmp_work_dir=".tmp"
+tmp_version_dir="$tmp_work_dir/$tarball_prefix"
+
+if [ "$DESTDIR" != '' ]; then
+	destdir="$DESTDIR/"
+fi
+output="$destdir$tarball_name"
+
+mkdir -p "$tmp_version_dir"
+git archive --format tar HEAD | tar xf - -C "$tmp_version_dir"
+echo "$version" > "$tmp_version_dir/.version"
+tar czf "$output" -C "$tmp_work_dir" "$tarball_prefix"
+rm -rf "$tmp_work_dir"
+echo "I: tarball is ready: '$output'"

build_tools/make_version

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 if [ -f ${1}/.version ]; then
-	cat ${1}.version
+	cat ${1}/.version
 elif [ -f ${1}/.svnrevision ]; then
 	echo SVN-`cat ${1}/.svnbranch`-r`cat ${1}/.svnrevision`
 elif [ -d ${1}/.svn ]; then
@@ -59,7 +59,7 @@ elif [ -d ${1}/.git ]; then
     MODIFIED=""
     SVN_REV=`git log --pretty=full -1 | grep -F "git-svn-id:" | sed -e "s/.*\@\([^\s]*\)\s.*/\1/g"`
     if [ -z "$SVN_REV" ]; then
-        VERSION=`git describe --long --always --tags --dirty=M 2> /dev/null`
+        VERSION=`git describe --tags --dirty=M 2> /dev/null | sed -e "s/^v\([0-9]\)/\1/"`
         if [ $? -ne 0 ]; then
             if [ "`git ls-files -m | wc -l`" != "0" ]; then
                 MODIFIED="M"
@@ -115,4 +115,8 @@ elif [ -d ${1}/.git ]; then
 
         echo SVN-${RESULT##-}-r${SVN_REV}${MODIFIED}
     fi
+else
+	# Use the directory information in the absence of any other version
+	# information
+	pwd -P
 fi

drivers/dahdi/Kbuild

@@ -7,10 +7,35 @@ obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_DYNAMIC_ETHMF)	+= dahdi_dynamic_ethmf.o
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_TRANSCODE)		+= dahdi_transcode.o
 
 ifdef CONFIG_PCI
+obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_OCT612X)		+= oct612x/
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCT4XXP)		+= wct4xxp/
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTC4XXP)		+= wctc4xxp/
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTDM24XXP)	+= wctdm24xxp/
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTE12XP)		+= wcte12xp/
+obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTE13XP)		+= wcte13xp.o
+
+wcte13xp-objs := wcte13xp-base.o wcxb_spi.o wcxb.o wcxb_flash.o
+CFLAGS_wcte13xp-base.o += -I$(src)/oct612x -I$(src)/oct612x/include -I$(src)/oct612x/octdeviceapi -I$(src)/oct612x/octdeviceapi/oct6100api
+ifeq ($(HOTPLUG_FIRMWARE),yes)
+  CFLAGS_wcte13xp-base.o += -DHOTPLUG_FIRMWARE
+endif
+
+obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTE43X)		+= wcte43x.o
+
+wcte43x-objs := wcte43x-base.o wcxb_spi.o wcxb.o wcxb_flash.o
+CFLAGS_wcte43x-base.o += -I$(src)/oct612x -I$(src)/oct612x/include -I$(src)/oct612x/octdeviceapi -I$(src)/oct612x/octdeviceapi/oct6100api
+ifeq ($(HOTPLUG_FIRMWARE),yes)
+  CFLAGS_wcte43x-base.o += -DHOTPLUG_FIRMWARE
+endif
+
+obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCAXX)		+= wcaxx.o
+
+wcaxx-objs := wcaxx-base.o wcxb_spi.o wcxb.o wcxb_flash.o
+CFLAGS_wcaxx-base.o += -I$(src)/oct612x/ -I$(src)/oct612x/include -I$(src)/oct612x/octdeviceapi -I$(src)/oct612x/octdeviceapi/oct6100api
+ifeq ($(HOTPLUG_FIRMWARE),yes)
+  CFLAGS_wcaxx-base.o += -DHOTPLUG_FIRMWARE
+endif
+
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTDM)		+= wctdm.o
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_VOICEBUS)		+= voicebus/
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCB4XXP)		+= wcb4xxp/
@@ -33,14 +58,13 @@ obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_ECHOCAN_MG2)	+= dahdi_echocan_mg2.o
 
 obj-m += $(DAHDI_MODULES_EXTRA)
 
-# Only enable this if you think you know what you're doing. This is not
-# supported yet:
-#obj-m += dahdi_echocan_oslec.o
-#
-# A quick and dirty way to build OSLEC, if you happened to place it
-# yourself in the dahdi source tree. This is experimental. See README
-# regarding OSLEC.
-#obj-m += ../staging/echo/
+# If you want to build OSLEC, include the code in the standard location:
+# drivers/staging/echo . The DAHDI OSLEC echo canceller will be built as
+# well:
+ifneq (,$(wildcard $(src)/../staging/echo/echo.c))
+obj-m += dahdi_echocan_oslec.o
+obj-m += ../staging/echo/echo.o
+endif
 
 CFLAGS_MODULE += -I$(DAHDI_INCLUDE) -I$(src)
 
@@ -78,7 +102,7 @@ CFLAGS_dahdi_dynamic_ethmf.o := -DNEW_SKB_LINEARIZE
 endif
 endif
 
-dahdi-objs := dahdi-base.o dahdi-sysfs.o dahdi-version.o
+dahdi-objs := dahdi-base.o dahdi-sysfs.o dahdi-sysfs-chan.o dahdi-version.o
 
 ###############################################################################
 # Find appropriate ARCH value for VPMADT032 and HPEC binary modules

drivers/dahdi/Makefile

@@ -1,6 +0,0 @@
-ifdef KBUILD_EXTMOD
-# We only get here on kernels 2.6.0-2.6.9 .
-# For newer kernels, Kbuild will be included directly by the kernel
-# build system.
-include $(src)/Kbuild
-endif

drivers/dahdi/dahdi-sysfs-chan.c

@@ -0,0 +1,483 @@
+/* dahdi-sysfs-chan.c
+ *
+ * Copyright (C) 2011-2012, Xorcom
+ * Copyright (C) 2011-2012, Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
+#include <linux/version.h>
+
+#define DAHDI_PRINK_MACROS_USE_debug
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <dahdi/kernel.h>
+#include "dahdi.h"
+#include "dahdi-sysfs.h"
+
+/* shortcuts, for code readability */
+#define MAKE_DAHDI_DEV(num, name) \
+	CLASS_DEV_CREATE(dahdi_class, MKDEV(DAHDI_MAJOR, num), NULL, name)
+#define DEL_DAHDI_DEV(num) \
+	CLASS_DEV_DESTROY(dahdi_class, MKDEV(DAHDI_MAJOR, num))
+
+static struct class *dahdi_class;
+
+static dev_t dahdi_channels_devt;	/*!< Device number of first channel */
+static struct cdev dahdi_channels_cdev;	/*!< Channels chardev's */
+
+/*
+ * Flags to remember what initializations already
+ * succeeded.
+ */
+static struct {
+	u32 channel_driver:1;
+	u32 channels_bus:1;
+	u32 cdev:1;
+} should_cleanup;
+
+#define chan_attr(field, format_string)		\
+static BUS_ATTR_READER(field##_show, dev, buf)	\
+{						\
+	struct dahdi_chan *chan;		\
+						\
+	chan = dev_to_chan(dev);		\
+	return sprintf(buf, format_string, chan->field); \
+}
+
+chan_attr(name, "%s\n");
+chan_attr(channo, "%d\n");
+chan_attr(chanpos, "%d\n");
+chan_attr(blocksize, "%d\n");
+#ifdef OPTIMIZE_CHANMUTE
+chan_attr(chanmute, "%d\n");
+#endif
+
+static BUS_ATTR_READER(sigcap_show, dev, buf)
+{
+	struct dahdi_chan *chan;
+	int len = 0;
+	int i;
+	uint sigtypes[] = {
+		DAHDI_SIG_FXSLS,
+		DAHDI_SIG_FXSGS,
+		DAHDI_SIG_FXSKS,
+		DAHDI_SIG_FXOLS,
+		DAHDI_SIG_FXOGS,
+		DAHDI_SIG_FXOKS,
+		DAHDI_SIG_EM,
+		DAHDI_SIG_CLEAR,
+		DAHDI_SIG_HDLCRAW,
+		DAHDI_SIG_HDLCFCS,
+		DAHDI_SIG_HDLCNET,
+		DAHDI_SIG_SLAVE,
+		DAHDI_SIG_SF,
+		DAHDI_SIG_CAS,
+		DAHDI_SIG_EM_E1,
+		DAHDI_SIG_DACS_RBS,
+		DAHDI_SIG_HARDHDLC,
+		DAHDI_SIG_MTP2,
+	};
+	chan = dev_to_chan(dev);
+
+	for (i = 0; i < ARRAY_SIZE(sigtypes); i++) {
+		uint x = chan->sigcap & sigtypes[i];
+		if (x == sigtypes[i])
+			len += sprintf(buf + len, "%s ", sigstr(x));
+	}
+	while (len > 0 && isspace(buf[len - 1])) /* trim */
+		len--;
+	len += sprintf(buf + len, "\n");
+	return len;
+}
+
+static BUS_ATTR_READER(sig_show, dev, buf)
+{
+	struct dahdi_chan *chan;
+
+	chan = dev_to_chan(dev);
+	return sprintf(buf, "%s\n", sigstr(chan->sig));
+}
+
+static BUS_ATTR_READER(in_use_show, dev, buf)
+{
+	struct dahdi_chan *chan;
+
+	chan = dev_to_chan(dev);
+	return sprintf(buf, "%d\n", test_bit(DAHDI_FLAGBIT_OPEN, &chan->flags));
+}
+
+static BUS_ATTR_READER(alarms_show, dev, buf)
+{
+	struct dahdi_chan *chan;
+	int len;
+
+	chan = dev_to_chan(dev);
+	len = fill_alarm_string(buf, PAGE_SIZE, chan->chan_alarms);
+	buf[len++] = '\n';
+	return len;
+}
+
+static BUS_ATTR_READER(ec_factory_show, dev, buf)
+{
+	struct dahdi_chan *chan;
+	int len = 0;
+
+	chan = dev_to_chan(dev);
+	if (chan->ec_factory)
+		len += sprintf(buf, "%s", chan->ec_factory->get_name(chan));
+	buf[len++] = '\n';
+	return len;
+}
+
+static BUS_ATTR_READER(ec_state_show, dev, buf)
+{
+	struct dahdi_chan *chan;
+	int len = 0;
+
+	chan = dev_to_chan(dev);
+	if (chan->ec_factory)
+		len += sprintf(buf, "%sACTIVE", (chan->ec_state) ? "" : "IN");
+	buf[len++] = '\n';
+	return len;
+}
+
+static struct device_attribute chan_dev_attrs[] = {
+	__ATTR_RO(name),
+	__ATTR_RO(channo),
+	__ATTR_RO(chanpos),
+	__ATTR_RO(sig),
+	__ATTR_RO(sigcap),
+	__ATTR_RO(alarms),
+	__ATTR_RO(ec_factory),
+	__ATTR_RO(ec_state),
+	__ATTR_RO(blocksize),
+#ifdef OPTIMIZE_CHANMUTE
+	__ATTR_RO(chanmute),
+#endif
+	__ATTR_RO(in_use),
+	__ATTR_NULL,
+};
+
+static void chan_release(struct device *dev)
+{
+	struct dahdi_chan *chan;
+
+	BUG_ON(!dev);
+	chan = dev_to_chan(dev);
+	chan_dbg(DEVICES, chan, "SYSFS\n");
+}
+
+static int chan_match(struct device *dev, struct device_driver *driver)
+{
+	struct dahdi_chan *chan;
+
+	chan = dev_to_chan(dev);
+	chan_dbg(DEVICES, chan, "SYSFS\n");
+	return 1;
+}
+
+static struct bus_type chan_bus_type = {
+	.name		= "dahdi_channels",
+	.match		= chan_match,
+	.dev_attrs	= chan_dev_attrs,
+};
+
+static int chan_probe(struct device *dev)
+{
+	struct dahdi_chan *chan;
+
+	chan = dev_to_chan(dev);
+	chan_dbg(DEVICES, chan, "SYSFS\n");
+	return 0;
+}
+
+static int chan_remove(struct device *dev)
+{
+	struct dahdi_chan *chan;
+
+	chan = dev_to_chan(dev);
+	chan_dbg(DEVICES, chan, "SYSFS\n");
+	return 0;
+}
+
+static struct device_driver chan_driver = {
+	.name = "dahdi",
+	.bus = &chan_bus_type,
+#ifndef OLD_HOTPLUG_SUPPORT
+	.owner = THIS_MODULE,
+#endif
+	.probe = chan_probe,
+	.remove = chan_remove
+};
+
+int chan_sysfs_create(struct dahdi_chan *chan)
+{
+	struct device *dev;
+	struct dahdi_span *span;
+	int res;
+	dev_t devt;
+
+	chan_dbg(DEVICES, chan, "Creating channel %d\n", chan->channo);
+	if (test_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags))
+		return 0;
+	span = chan->span;
+	devt = MKDEV(MAJOR(dahdi_channels_devt), chan->channo);
+	dev = &chan->chan_device;
+	memset(dev, 0, sizeof(*dev));
+	dev->devt = devt;
+	dev->bus = &chan_bus_type;
+	dev->parent = span->span_device;
+	/*
+	 * FIXME: the name cannot be longer than KOBJ_NAME_LEN
+	 */
+	dev_set_name(dev, "dahdi!chan!%03d!%03d", span->spanno, chan->chanpos);
+	dev_set_drvdata(dev, chan);
+	dev->release = chan_release;
+	res = device_register(dev);
+	if (res) {
+		chan_err(chan, "%s: device_register failed: %d\n",
+				__func__, res);
+		put_device(dev);
+		return res;
+	}
+	set_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags);
+	return 0;
+}
+
+void chan_sysfs_remove(struct dahdi_chan *chan)
+{
+	struct device *dev = &chan->chan_device;
+
+	chan_dbg(DEVICES, chan, "Destroying channel %d\n", chan->channo);
+	if (!dev_get_drvdata(dev))
+		return;
+	if (!test_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags))
+		return;
+	dev = &chan->chan_device;
+	BUG_ON(dev_get_drvdata(dev) != chan);
+	device_unregister(dev);
+	/* FIXME: should have been done earlier in dahdi_chan_unreg */
+	chan->channo = -1;
+	clear_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags);
+}
+
+/*
+ * Used by dahdi_transcode.c
+ */
+int dahdi_register_chardev(struct dahdi_chardev *dev)
+{
+	static const char *DAHDI_STRING = "dahdi!";
+	char *udevname;
+
+	udevname = kzalloc(strlen(dev->name) + sizeof(DAHDI_STRING) + 1,
+			GFP_KERNEL);
+	if (!udevname)
+		return -ENOMEM;
+
+	strcpy(udevname, DAHDI_STRING);
+	strcat(udevname, dev->name);
+	MAKE_DAHDI_DEV(dev->minor, udevname);
+	kfree(udevname);
+	return 0;
+}
+EXPORT_SYMBOL(dahdi_register_chardev);
+
+/*
+ * Used by dahdi_transcode.c
+ */
+int dahdi_unregister_chardev(struct dahdi_chardev *dev)
+{
+	DEL_DAHDI_DEV(dev->minor);
+	return 0;
+}
+EXPORT_SYMBOL(dahdi_unregister_chardev);
+
+/*--------- Sysfs Device handling ----*/
+
+/*
+ * Describe fixed device files and maintain their
+ * pointer so fixed_devfiles_remove() can always be called
+ * and work cleanly
+ */
+static struct {
+	int	minor;
+	char	*name;
+	void	*dev;	/* FIXME: wrong type because of old kernels */
+} fixed_minors[] = {
+	{ DAHDI_CTL,		"dahdi!ctl",	},
+	{ DAHDI_TIMER,		"dahdi!timer",	},
+	{ DAHDI_CHANNEL,	"dahdi!channel",},
+	{ DAHDI_PSEUDO,		"dahdi!pseudo",	},
+};
+
+/*
+ * Removes /dev/dahdi/{ctl,timer,channel,pseudo}
+ *
+ * It is safe to call it during initialization error handling,
+ * as it skips non existing objects.
+ */
+static void fixed_devfiles_remove(void)
+{
+	int i;
+
+	if (!dahdi_class)
+		return;
+	for (i = 0; i < ARRAY_SIZE(fixed_minors); i++) {
+		void *d = fixed_minors[i].dev;
+		if (d && !IS_ERR(d))
+			dahdi_dbg(DEVICES, "Removing fixed device file %s\n",
+				fixed_minors[i].name);
+			DEL_DAHDI_DEV(fixed_minors[i].minor);
+	}
+}
+
+/*
+ * Creates /dev/dahdi/{ctl,timer,channel,pseudo}
+ */
+static int fixed_devfiles_create(void)
+{
+	int i;
+	int res = 0;
+
+	if (!dahdi_class) {
+		dahdi_err("%s: dahdi_class is not initialized yet!\n",
+				__func__);
+		res = -ENODEV;
+		goto cleanup;
+	}
+	for (i = 0; i < ARRAY_SIZE(fixed_minors); i++) {
+		char *name = fixed_minors[i].name;
+		int minor = fixed_minors[i].minor;
+		void *dummy;
+
+		dahdi_dbg(DEVICES, "Making fixed device file %s\n", name);
+		dummy = (void *)MAKE_DAHDI_DEV(minor, name);
+		if (IS_ERR(dummy)) {
+			int res = PTR_ERR(dummy);
+
+			dahdi_err("%s: failed (%d: %s). Error: %d\n",
+					__func__, minor, name, res);
+			goto cleanup;
+		}
+		fixed_minors[i].dev = dummy;
+	}
+	return 0;
+cleanup:
+	fixed_devfiles_remove();
+	return res;
+}
+
+/*
+ * Called during driver unload and while handling any error during
+ * driver load.
+ * Always clean any (and only) objects that were initialized (invariant)
+ */
+static void sysfs_channels_cleanup(void)
+{
+	if (should_cleanup.cdev) {
+		dahdi_dbg(DEVICES, "removing channels cdev\n");
+		cdev_del(&dahdi_channels_cdev);
+		should_cleanup.cdev = 0;
+	}
+	if (dahdi_channels_devt) {
+		dahdi_dbg(DEVICES, "unregistering chrdev_region\n");
+		unregister_chrdev_region(dahdi_channels_devt,
+			DAHDI_MAX_CHANNELS);
+	}
+
+	fixed_devfiles_remove();
+	if (dahdi_class) {
+		dahdi_dbg(DEVICES, "Destroying DAHDI class:\n");
+		class_destroy(dahdi_class);
+		dahdi_class = NULL;
+	}
+	if (should_cleanup.channel_driver) {
+		dahdi_dbg(DEVICES, "Removing channel driver\n");
+		driver_unregister(&chan_driver);
+		should_cleanup.channel_driver = 0;
+	}
+	if (should_cleanup.channels_bus) {
+		dahdi_dbg(DEVICES, "Removing channels bus\n");
+		bus_unregister(&chan_bus_type);
+		should_cleanup.channels_bus = 0;
+	}
+}
+
+int __init dahdi_sysfs_chan_init(const struct file_operations *fops)
+{
+	int res = 0;
+
+	dahdi_dbg(DEVICES, "Registering channels bus\n");
+	res = bus_register(&chan_bus_type);
+	if (res) {
+		dahdi_err("%s: bus_register(%s) failed. Error number %d\n",
+				__func__, chan_bus_type.name, res);
+		goto cleanup;
+	}
+	should_cleanup.channels_bus = 1;
+
+	dahdi_dbg(DEVICES, "Registering channel driver\n");
+	res = driver_register(&chan_driver);
+	if (res) {
+		dahdi_err("%s: driver_register(%s) failed. Error number %d",
+				__func__, chan_driver.name, res);
+		goto cleanup;
+	}
+	should_cleanup.channel_driver = 1;
+
+	dahdi_class = class_create(THIS_MODULE, "dahdi");
+	if (IS_ERR(dahdi_class)) {
+		res = PTR_ERR(dahdi_class);
+		dahdi_err("%s: class_create(dahi_chan) failed. Error: %d\n",
+				__func__, res);
+		goto cleanup;
+	}
+	res = fixed_devfiles_create();
+	if (res)
+		goto cleanup;
+	dahdi_dbg(DEVICES, "allocating chrdev_region\n");
+	res = alloc_chrdev_region(&dahdi_channels_devt,
+			0,
+			DAHDI_MAX_CHANNELS,
+			"dahdi_channels");
+	if (res) {
+		dahdi_err("%s: Failed allocating chrdev for %d channels (%d)",
+			__func__, DAHDI_MAX_CHANNELS, res);
+		goto cleanup;
+	}
+	dahdi_dbg(DEVICES, "adding channels cdev\n");
+	cdev_init(&dahdi_channels_cdev, fops);
+	res = cdev_add(&dahdi_channels_cdev, dahdi_channels_devt,
+		DAHDI_MAX_CHANNELS);
+	if (res) {
+		dahdi_err("%s: cdev_add() failed (%d)", __func__, res);
+		goto cleanup;
+	}
+	should_cleanup.cdev = 1;
+	return 0;
+cleanup:
+	sysfs_channels_cleanup();
+	return res;
+}
+
+void dahdi_sysfs_chan_exit(void)
+{
+	sysfs_channels_cleanup();
+}

drivers/dahdi/dahdi-sysfs.c

@@ -1,112 +1,46 @@
+/* dahdi-sysfs.c
+ *
+ * Copyright (C) 2011-2012, Xorcom
+ * Copyright (C) 2011-2012, Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
 #include <linux/kernel.h>
 #include <linux/version.h>
 #define DAHDI_PRINK_MACROS_USE_debug
 #include <dahdi/kernel.h>
 #include <linux/device.h>
 #include <linux/slab.h>
+#include <linux/ctype.h>
 
 #include "dahdi.h"
-
-/* FIXME: Move to kernel.h */
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
-#define CLASS_DEV_CREATE(class, devt, device, name) \
-	device_create(class, device, devt, NULL, "%s", name)
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
-#define CLASS_DEV_CREATE(class, devt, device, name) \
-	device_create(class, device, devt, name)
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
-#define CLASS_DEV_CREATE(class, devt, device, name) \
-        class_device_create(class, NULL, devt, device, name)
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)
-#define CLASS_DEV_CREATE(class, devt, device, name) \
-        class_device_create(class, devt, device, name)
-#else
-#define CLASS_DEV_CREATE(class, devt, device, name) \
-        class_simple_device_add(class, devt, device, name)
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
-#define CLASS_DEV_DESTROY(class, devt) \
-	device_destroy(class, devt)
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)
-#define CLASS_DEV_DESTROY(class, devt) \
-	class_device_destroy(class, devt)
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,9)
-#define CLASS_DEV_DESTROY(class, devt) \
-	class_simple_device_remove(devt)
-#else
-#define CLASS_DEV_DESTROY(class, devt) \
-	class_simple_device_remove(class, devt)
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)
-static struct class *dahdi_class = NULL;
-#else
-static struct class_simple *dahdi_class = NULL;
-#define class_create class_simple_create
-#define class_destroy class_simple_destroy
-#endif
-
-/*
- * Very old hotplug support
- */
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 9)
-#define	OLD_HOTPLUG_SUPPORT	/* for older kernels */
-#define	OLD_HOTPLUG_SUPPORT_269
-#endif
-
-#ifdef	OLD_HOTPLUG_SUPPORT_269
-/* Copy from new kernels lib/kobject_uevent.c */
-enum kobject_action {
-	KOBJ_ADD,
-	KOBJ_REMOVE,
-	KOBJ_CHANGE,
-	KOBJ_MOUNT,
-	KOBJ_UMOUNT,
-	KOBJ_OFFLINE,
-	KOBJ_ONLINE,
-};
-#endif
-
-/*
- * Hotplug replaced with uevent in 2.6.16
- */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)
-#define	OLD_HOTPLUG_SUPPORT	/* for older kernels */
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14)
-#define	DEVICE_ATTR_READER(name, dev, buf)	\
-		ssize_t name(struct device *dev, struct device_attribute *attr,\
-				char *buf)
-#define	DEVICE_ATTR_WRITER(name, dev, buf, count)	\
-		ssize_t name(struct device *dev, struct device_attribute *attr,\
-				const char *buf, size_t count)
-#define BUS_ATTR_READER(name, dev, buf) \
-	ssize_t name(struct device *dev, struct device_attribute *attr, \
-		char *buf)
-#define BUS_ATTR_WRITER(name, dev, buf, count) \
-		ssize_t name(struct device *dev, struct device_attribute *attr,\
-			const char *buf, size_t count)
-#else
-#define	DEVICE_ATTR_READER(name, dev, buf)	\
-		ssize_t name(struct device *dev, char *buf)
-#define	DEVICE_ATTR_WRITER(name, dev, buf, count)	\
-		ssize_t name(struct device *dev, const char *buf, size_t count)
-#define BUS_ATTR_READER(name, dev, buf) \
-		ssize_t name(struct device *dev, char *buf)
-#define BUS_ATTR_WRITER(name, dev, buf, count) \
-		ssize_t name(struct device *dev, const char *buf, size_t count)
-#endif
-
-#define	DRIVER_ATTR_READER(name, drv, buf)	\
-		ssize_t name(struct device_driver *drv, char * buf)
+#include "dahdi-sysfs.h"
 
 
-static char *initdir = "/usr/share/dahdi";
-module_param(initdir, charp, 0644);
+static char *initdir;
+module_param(initdir, charp, 0444);
+MODULE_PARM_DESC(initdir,
+		"deprecated, should use <tools_rootdir>/usr/share/dahdi");
+
+static char *tools_rootdir;
+module_param(tools_rootdir, charp, 0444);
+MODULE_PARM_DESC(tools_rootdir,
+		"root directory of all tools paths (default /)");
 
 static int span_match(struct device *dev, struct device_driver *driver)
 {
@@ -118,26 +52,11 @@ static inline struct dahdi_span *dev_to_span(struct device *dev)
 	return dev_get_drvdata(dev);
 }
 
-#ifdef OLD_HOTPLUG_SUPPORT
-static int span_hotplug(struct device *dev, char **envp, int envnum,
-		char *buff, int bufsize)
-{
-	struct dahdi_span *span;
-
-	if (!dev)
-		return -ENODEV;
-	span = dev_to_span(dev);
-	envp[0] = buff;
-	if (snprintf(buff, bufsize, "SPAN_NAME=%s", span->name) >= bufsize)
-		return -ENOMEM;
-	envp[1] = NULL;
-	return 0;
-}
-#else
-
 #define	SPAN_VAR_BLOCK	\
 	do {		\
-		DAHDI_ADD_UEVENT_VAR("DAHDI_INIT_DIR=%s", initdir);	\
+		DAHDI_ADD_UEVENT_VAR("DAHDI_TOOLS_ROOTDIR=%s", tools_rootdir); \
+		DAHDI_ADD_UEVENT_VAR("DAHDI_INIT_DIR=%s/%s", tools_rootdir,    \
+				initdir);	\
 		DAHDI_ADD_UEVENT_VAR("SPAN_NUM=%d", span->spanno);	\
 		DAHDI_ADD_UEVENT_VAR("SPAN_NAME=%s", span->name);	\
 	} while (0)
@@ -152,12 +71,6 @@ static int span_hotplug(struct device *dev, char **envp, int envnum,
 			return err;				\
 	} while (0)
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
-#define dev_name(dev)		((dev)->bus_id)
-#define dev_set_name(dev, format, ...) \
-	snprintf((dev)->bus_id, BUS_ID_SIZE, format, ## __VA_ARGS__);
-#endif
-
 static int span_uevent(struct device *dev, char **envp, int num_envp,
 		char *buffer, int buffer_size)
 {
@@ -204,8 +117,6 @@ static int span_uevent(struct device *dev, struct kobj_uevent_env *kenv)
 
 #endif
 
-#endif	/* OLD_HOTPLUG_SUPPORT */
-
 #define span_attr(field, format_string)				\
 static BUS_ATTR_READER(field##_show, dev, buf)			\
 {								\
@@ -217,11 +128,18 @@ static BUS_ATTR_READER(field##_show, dev, buf)			\
 
 span_attr(name, "%s\n");
 span_attr(desc, "%s\n");
-span_attr(spantype, "%s\n");
 span_attr(alarms, "0x%x\n");
 span_attr(lbo, "%d\n");
 span_attr(syncsrc, "%d\n");
 
+static BUS_ATTR_READER(spantype_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%s\n", dahdi_spantype2str(span->spantype));
+}
+
 static BUS_ATTR_READER(local_spanno_show, dev, buf)
 {
 	struct dahdi_span *span;
@@ -251,6 +169,8 @@ static BUS_ATTR_READER(basechan_show, dev, buf)
 	struct dahdi_span *span;
 
 	span = dev_to_span(dev);
+	if (!span->channels)
+		return -ENODEV;
 	return sprintf(buf, "%d\n", span->chans[0]->channo);
 }
 
@@ -262,6 +182,38 @@ static BUS_ATTR_READER(channels_show, dev, buf)
 	return sprintf(buf, "%d\n", span->channels);
 }
 
+static BUS_ATTR_READER(lineconfig_show, dev, buf)
+{
+	struct dahdi_span *span;
+	int len = 0;
+
+	span = dev_to_span(dev);
+	len += lineconfig_str(span->lineconfig, buf, 20);
+	len += sprintf(buf + len, "\n");
+	return len;
+}
+
+static BUS_ATTR_READER(linecompat_show, dev, buf)
+{
+	struct dahdi_span *span;
+	int bit;
+	int len = 0;
+
+	span = dev_to_span(dev);
+	for (bit = 4; bit <= 12; bit++) {
+		if (span->linecompat & (1 << bit)) {
+			const char *name = dahdi_lineconfig_bit_name(bit);
+			if (name)
+				len += sprintf(buf + len, "%s ", name);
+		}
+	}
+	/* chomp */
+	while (len > 0 && isspace(buf[len - 1]))
+		buf[--len] = '\0';
+	len += sprintf(buf + len, "\n");
+	return len;
+}
+
 static struct device_attribute span_dev_attrs[] = {
 	__ATTR_RO(name),
 	__ATTR_RO(desc),
@@ -274,23 +226,56 @@ static struct device_attribute span_dev_attrs[] = {
 	__ATTR_RO(is_sync_master),
 	__ATTR_RO(basechan),
 	__ATTR_RO(channels),
+	__ATTR_RO(lineconfig),
+	__ATTR_RO(linecompat),
 	__ATTR_NULL,
 };
 
+static ssize_t master_span_show(struct device_driver *driver, char *buf)
+{
+	struct dahdi_span *s = get_master_span();
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", (s) ? s->spanno : 0);
+}
+
+static ssize_t master_span_store(struct device_driver *driver, const char *buf,
+			  size_t count)
+{
+	int spanno;
+
+	if (sscanf(buf, "%d", &spanno) != 1) {
+		module_printk(KERN_ERR, "non-numeric input '%s'\n", buf);
+		return -EINVAL;
+	}
+	set_master_span(spanno);
+	return count;
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
 static struct driver_attribute dahdi_attrs[] = {
+	__ATTR(master_span, S_IRUGO | S_IWUSR, master_span_show,
+			master_span_store),
 	__ATTR_NULL,
 };
+#else
+static DRIVER_ATTR_RW(master_span);
+static struct attribute *dahdi_attrs[] = {
+	&driver_attr_master_span.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(dahdi);
+#endif
 
 static struct bus_type spans_bus_type = {
 	.name           = "dahdi_spans",
 	.match          = span_match,
-#ifdef OLD_HOTPLUG_SUPPORT
-	.hotplug	= span_hotplug,
-#else
 	.uevent         = span_uevent,
-#endif
 	.dev_attrs	= span_dev_attrs,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
 	.drv_attrs	= dahdi_attrs,
+#else
+	.drv_groups 	= dahdi_groups,
+#endif
 };
 
 static int span_probe(struct device *dev)
@@ -316,9 +301,7 @@ static struct device_driver dahdi_driver = {
 	.bus		= &spans_bus_type,
 	.probe		= span_probe,
 	.remove		= span_remove,
-#ifndef OLD_HOTPLUG_SUPPORT
 	.owner		= THIS_MODULE
-#endif
 };
 
 static void span_uevent_send(struct dahdi_span *span, enum kobject_action act)
@@ -328,26 +311,7 @@ static void span_uevent_send(struct dahdi_span *span, enum kobject_action act)
 	kobj = &span->span_device->kobj;
 	span_dbg(DEVICES, span, "SYFS dev_name=%s action=%d\n",
 		dev_name(span->span_device), act);
-
-#if defined(OLD_HOTPLUG_SUPPORT_269)
-	{
-		/* Copy from new kernels lib/kobject_uevent.c */
-		static const char *const str[] = {
-			[KOBJ_ADD]	"add",
-			[KOBJ_REMOVE]	"remove",
-			[KOBJ_CHANGE]	"change",
-			[KOBJ_MOUNT]	"mount",
-			[KOBJ_UMOUNT]	"umount",
-			[KOBJ_OFFLINE]	"offline",
-			[KOBJ_ONLINE]	"online"
-		};
-		kobject_hotplug(str[act], kobj);
-	}
-#elif defined(OLD_HOTPLUG_SUPPORT)
-	kobject_hotplug(kobj, act);
-#else
 	kobject_uevent(kobj, act);
-#endif
 }
 
 static void span_release(struct device *dev)
@@ -355,32 +319,6 @@ static void span_release(struct device *dev)
 	dahdi_dbg(DEVICES, "%s: %s\n", __func__, dev_name(dev));
 }
 
-int dahdi_register_chardev(struct dahdi_chardev *dev)
-{
-	static const char *DAHDI_STRING = "dahdi!";
-	char *udevname;
-
-	udevname = kzalloc(strlen(dev->name) + sizeof(DAHDI_STRING) + 1,
-			   GFP_KERNEL);
-	if (!udevname)
-		return -ENOMEM;
-
-	strcpy(udevname, DAHDI_STRING);
-	strcat(udevname, dev->name);
-	CLASS_DEV_CREATE(dahdi_class, MKDEV(DAHDI_MAJOR, dev->minor), NULL, udevname);
-	kfree(udevname);
-	return 0;
-}
-EXPORT_SYMBOL(dahdi_register_chardev);
-
-int dahdi_unregister_chardev(struct dahdi_chardev *dev)
-{
-	CLASS_DEV_DESTROY(dahdi_class, MKDEV(DAHDI_MAJOR, dev->minor));
-
-	return 0;
-}
-EXPORT_SYMBOL(dahdi_unregister_chardev);
-
 void span_sysfs_remove(struct dahdi_span *span)
 {
 	struct device *span_device;
@@ -392,15 +330,8 @@ void span_sysfs_remove(struct dahdi_span *span)
 	if (!span_device)
 		return;
 
-	for (x = 0; x < span->channels; x++) {
-		struct dahdi_chan *chan = span->chans[x];
-		if (!test_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags))
-			continue;
-
-		CLASS_DEV_DESTROY(dahdi_class,
-				MKDEV(DAHDI_MAJOR, chan->channo));
-		clear_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags);
-	}
+	for (x = 0; x < span->channels; x++)
+		chan_sysfs_remove(span->chans[x]);
 	if (!dev_get_drvdata(span_device))
 		return;
 
@@ -409,6 +340,7 @@ void span_sysfs_remove(struct dahdi_span *span)
 
 	get_device(span_device);
 	span_uevent_send(span, KOBJ_OFFLINE);
+	sysfs_remove_link(&span_device->kobj, "ddev");
 	device_unregister(span->span_device);
 	dev_set_drvdata(span_device, NULL);
 	span_device->parent = NULL;
@@ -449,30 +381,20 @@ int span_sysfs_create(struct dahdi_span *span)
 		span->span_device = NULL;
 		goto cleanup;
 	}
+	res = sysfs_create_link(&span_device->kobj, &span_device->parent->kobj,
+			"ddev");
+	if (res) {
+		span_err(span, "%s: sysfs_create_link failed: %d\n", __func__,
+				res);
+		kfree(span->span_device);
+		span->span_device = NULL;
+		goto cleanup;
+	}
 
 	for (x = 0; x < span->channels; x++) {
-		struct dahdi_chan *chan = span->chans[x];
-		char chan_name[32];
-		void *dummy;
-
-		if (chan->channo >= 250)
-			continue;
-		if (test_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags))
-			continue;
-
-		snprintf(chan_name, sizeof(chan_name), "dahdi!%d",
-				chan->channo);
-		dummy = (void *)CLASS_DEV_CREATE(dahdi_class,
-				MKDEV(DAHDI_MAJOR, chan->channo),
-				NULL, chan_name);
-		if (IS_ERR(dummy)) {
-			res = PTR_ERR(dummy);
-			chan_err(chan, "Failed creating sysfs device: %d\n",
-					res);
+		res = chan_sysfs_create(span->chans[x]);
+		if (res)
 			goto cleanup;
-		}
-
-		set_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags);
 	}
 	return 0;
 
@@ -481,58 +403,103 @@ cleanup:
 	return res;
 }
 
-#define MAKE_DAHDI_DEV(num, name) \
-	CLASS_DEV_CREATE(dahdi_class, MKDEV(DAHDI_MAJOR, num), NULL, name)
-#define DEL_DAHDI_DEV(num) \
-	CLASS_DEV_DESTROY(dahdi_class, MKDEV(DAHDI_MAJOR, num))
-
 /* Only used to flag that the device exists: */
 static struct {
-	unsigned int ctl:1;
-	unsigned int timer:1;
-	unsigned int channel:1;
-	unsigned int pseudo:1;
-	unsigned int sysfs_driver_registered:1;
-	unsigned int sysfs_spans_bus_type:1;
-	unsigned int dahdi_device_bus_registered:1;
-} dummy_dev;
+	unsigned int clean_dahdi_driver:1;
+	unsigned int clean_span_bus_type:1;
+	unsigned int clean_device_bus:1;
+	unsigned int clean_chardev:1;
+} should_cleanup;
 
 static inline struct dahdi_device *to_ddev(struct device *dev)
 {
 	return container_of(dev, struct dahdi_device, dev);
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t dahdi_device_manufacturer_show(struct device *dev, char *buf)
+#define	DEVICE_VAR_BLOCK	\
+	do {		\
+		DAHDI_ADD_UEVENT_VAR("DAHDI_TOOLS_ROOTDIR=%s", tools_rootdir); \
+		DAHDI_ADD_UEVENT_VAR("DAHDI_INIT_DIR=%s/%s", tools_rootdir,    \
+				initdir);				\
+		DAHDI_ADD_UEVENT_VAR("DAHDI_DEVICE_HWID=%s",		\
+				ddev->hardware_id);			\
+		DAHDI_ADD_UEVENT_VAR("DAHDI_DEVICE_LOCATION=%s",	\
+				ddev->location);			\
+	} while (0)
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24)
+#define DAHDI_ADD_UEVENT_VAR(fmt, val...)			\
+	do {							\
+		int err = add_uevent_var(envp, num_envp, &i,	\
+				buffer, buffer_size, &len,	\
+				fmt, val);			\
+		if (err)					\
+			return err;				\
+	} while (0)
+
+static int device_uevent(struct device *dev, char **envp, int num_envp,
+		char *buffer, int buffer_size)
+{
+	struct dahdi_device	*ddev;
+	int			i = 0;
+	int			len = 0;
+
+	if (!dev)
+		return -ENODEV;
+
+	ddev = to_ddev(dev);
+	if (!ddev)
+		return -ENODEV;
+
+	dahdi_dbg(GENERAL, "SYFS dev_name=%s\n", dev_name(dev));
+	DEVICE_VAR_BLOCK;
+	envp[i] = NULL;
+	return 0;
+}
+
 #else
+#define DAHDI_ADD_UEVENT_VAR(fmt, val...)			\
+	do {							\
+		int err = add_uevent_var(kenv, fmt, val);	\
+		if (err)					\
+			return err;				\
+	} while (0)
+
+static int device_uevent(struct device *dev, struct kobj_uevent_env *kenv)
+{
+	struct dahdi_device *ddev;
+
+	if (!dev)
+		return -ENODEV;
+	ddev = to_ddev(dev);
+	if (!ddev)
+		return -ENODEV;
+	dahdi_dbg(GENERAL, "SYFS dev_name=%s\n", dev_name(dev));
+	DEVICE_VAR_BLOCK;
+	return 0;
+}
+
+#endif
+
 static ssize_t
 dahdi_device_manufacturer_show(struct device *dev,
 			       struct device_attribute *attr, char *buf)
-#endif
 {
 	struct dahdi_device *ddev = to_ddev(dev);
 	return sprintf(buf, "%s\n", ddev->manufacturer);
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t dahdi_device_type_show(struct device *dev, char *buf)
-#else
 static ssize_t
 dahdi_device_type_show(struct device *dev,
 		       struct device_attribute *attr, char *buf)
-#endif
 {
 	struct dahdi_device *ddev = to_ddev(dev);
 	return sprintf(buf, "%s\n", ddev->devicetype);
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t dahdi_device_span_count_show(struct device *dev, char *buf)
-#else
 static ssize_t
 dahdi_device_span_count_show(struct device *dev,
 			     struct device_attribute *attr, char *buf)
-#endif
 {
 	struct dahdi_device *ddev = to_ddev(dev);
 	unsigned int count = 0;
@@ -544,13 +511,9 @@ dahdi_device_span_count_show(struct device *dev,
 	return sprintf(buf, "%d\n", count);
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t dahdi_device_hardware_id_show(struct device *dev, char *buf)
-#else
 static ssize_t
 dahdi_device_hardware_id_show(struct device *dev,
 			     struct device_attribute *attr, char *buf)
-#endif
 {
 	struct dahdi_device *ddev = to_ddev(dev);
 
@@ -558,28 +521,28 @@ dahdi_device_hardware_id_show(struct device *dev,
 		(ddev->hardware_id) ? ddev->hardware_id : "");
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
 static ssize_t
-dahdi_device_auto_assign(struct device *dev, const char *buf, size_t count)
-#else
+dahdi_device_location_show(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	struct dahdi_device *ddev = to_ddev(dev);
+
+	return sprintf(buf, "%s\n",
+		(ddev->location) ? ddev->location : "");
+}
+
 static ssize_t
 dahdi_device_auto_assign(struct device *dev, struct device_attribute *attr,
 			 const char *buf, size_t count)
-#endif
 {
 	struct dahdi_device *ddev = to_ddev(dev);
 	dahdi_assign_device_spans(ddev);
 	return count;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t
-dahdi_device_assign_span(struct device *dev, const char *buf, size_t count)
-#else
 static ssize_t
 dahdi_device_assign_span(struct device *dev, struct device_attribute *attr,
 			 const char *buf, size_t count)
-#endif
 {
 	int ret;
 	struct dahdi_span *span;
@@ -591,7 +554,7 @@ dahdi_device_assign_span(struct device *dev, struct device_attribute *attr,
 	ret = sscanf(buf, "%u:%u:%u", &local_span_number, &desired_spanno,
 		     &desired_basechanno);
 	if (ret != 3) {
-		dev_notice(dev, "badly formatted input (should be <num>:<num>:<num>)\n");
+		dev_notice(dev, "bad input (should be <num>:<num>:<num>)\n");
 		return -EINVAL;
 	}
 
@@ -607,18 +570,14 @@ dahdi_device_assign_span(struct device *dev, struct device_attribute *attr,
 			return (ret) ? ret : count;
 		}
 	}
-	dev_notice(dev, "no match for local span number %d\n", local_span_number);
+	dev_notice(dev, "no match for local span number %d\n",
+		local_span_number);
 	return -EINVAL;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t
-dahdi_device_unassign_span(struct device *dev, const char *buf, size_t count)
-#else
 static ssize_t
 dahdi_device_unassign_span(struct device *dev, struct device_attribute *attr,
 			   const char *buf, size_t count)
-#endif
 {
 	int ret;
 	unsigned int local_span_number;
@@ -644,13 +603,9 @@ dahdi_device_unassign_span(struct device *dev, struct device_attribute *attr,
 	return (ret < 0) ? ret : count;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t dahdi_spantype_show(struct device *dev, char *buf)
-#else
 static ssize_t
 dahdi_spantype_show(struct device *dev,
 		    struct device_attribute *attr, char *buf)
-#endif
 {
 	struct dahdi_device *ddev = to_ddev(dev);
 	int count = 0;
@@ -659,7 +614,8 @@ dahdi_spantype_show(struct device *dev,
 
 	/* TODO: Make sure this doesn't overflow the page. */
 	list_for_each_entry(span, &ddev->spans, device_node) {
-		count = sprintf(buf, "%d:%s\n", local_spanno(span), span->spantype);
+		count = sprintf(buf, "%d:%s\n",
+			local_spanno(span), dahdi_spantype2str(span->spantype));
 		buf += count;
 		total += count;
 	}
@@ -667,28 +623,41 @@ dahdi_spantype_show(struct device *dev,
 	return total;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 13)
-static ssize_t
-dahdi_spantype_store(struct device *dev, const char *buf, size_t count)
-#else
 static ssize_t
 dahdi_spantype_store(struct device *dev, struct device_attribute *attr,
 		     const char *buf, size_t count)
-#endif
 {
 	struct dahdi_device *const ddev = to_ddev(dev);
 	int ret;
-	struct dahdi_span *span;
+	struct dahdi_span *span = NULL;
+	struct dahdi_span *cur;
 	unsigned int local_span_number;
-	char desired_spantype[80];
+	char spantype_name[80];
+	enum spantypes spantype;
 
-	ret = sscanf(buf, "%u:%70s", &local_span_number, desired_spantype);
-	if (ret != 2)
+	ret = sscanf(buf, "%u:%70s", &local_span_number, spantype_name);
+	if (ret != 2) {
+		dev_err(&ddev->dev, "Wrong input format: '%s'\n", buf);
 		return -EINVAL;
+	}
+	spantype = dahdi_str2spantype(spantype_name);
+	if (spantype == SPANTYPE_INVALID) {
+		dev_err(&ddev->dev, "Invalid spantype: '%s'\n", buf);
+		return -EINVAL;
+	}
 
-	list_for_each_entry(span, &ddev->spans, device_node) {
-		if (local_spanno(span) == local_span_number)
+	list_for_each_entry(cur, &ddev->spans, device_node) {
+		if (local_spanno(cur) == local_span_number) {
+			span = cur;
 			break;
+		}
+	}
+
+	if (!span || (local_spanno(span) != local_span_number)) {
+		module_printk(KERN_WARNING,
+				"%d is not a valid local span number "
+				"for this device.\n", local_span_number);
+		return -EINVAL;
 	}
 
 	if (test_bit(DAHDI_FLAGBIT_REGISTERED, &span->flags)) {
@@ -697,11 +666,6 @@ dahdi_spantype_store(struct device *dev, struct device_attribute *attr,
 		return -EINVAL;
 	}
 
-	if (local_spanno(span) != local_span_number) {
-		module_printk(KERN_WARNING, "%d is not a valid local span number "
-			      "for this device.\n", local_span_number);
-		return -EINVAL;
-	}
 
 	if (!span->ops->set_spantype) {
 		module_printk(KERN_WARNING, "Span %s does not support "
@@ -709,71 +673,68 @@ dahdi_spantype_store(struct device *dev, struct device_attribute *attr,
 		return -EINVAL;
 	}
 
-	ret = span->ops->set_spantype(span, &desired_spantype[0]);
+	ret = span->ops->set_spantype(span, spantype);
 	return (ret < 0) ? ret : count;
 }
 
+static ssize_t
+dahdi_registration_time_show(struct device *dev,
+		    struct device_attribute *attr, char *buf)
+{
+	struct dahdi_device *ddev = to_ddev(dev);
+	int count = 0;
+
+	count += sprintf(buf, "%010ld.%09ld\n",
+		ddev->registration_time.tv_sec,
+		ddev->registration_time.tv_nsec);
+	return count;
+}
+
 static struct device_attribute dahdi_device_attrs[] = {
 	__ATTR(manufacturer, S_IRUGO, dahdi_device_manufacturer_show, NULL),
 	__ATTR(type, S_IRUGO, dahdi_device_type_show, NULL),
 	__ATTR(span_count, S_IRUGO, dahdi_device_span_count_show, NULL),
 	__ATTR(hardware_id, S_IRUGO, dahdi_device_hardware_id_show, NULL),
+	__ATTR(location, S_IRUGO, dahdi_device_location_show, NULL),
 	__ATTR(auto_assign, S_IWUSR, NULL, dahdi_device_auto_assign),
 	__ATTR(assign_span, S_IWUSR, NULL, dahdi_device_assign_span),
 	__ATTR(unassign_span, S_IWUSR, NULL, dahdi_device_unassign_span),
 	__ATTR(spantype, S_IWUSR | S_IRUGO, dahdi_spantype_show,
 	       dahdi_spantype_store),
+	__ATTR(registration_time, S_IRUGO, dahdi_registration_time_show, NULL),
 	__ATTR_NULL,
 };
 
 static struct bus_type dahdi_device_bus = {
 	.name = "dahdi_devices",
+	.uevent         = device_uevent,
 	.dev_attrs = dahdi_device_attrs,
 };
 
-void dahdi_sysfs_exit(void)
+static void dahdi_sysfs_cleanup(void)
 {
 	dahdi_dbg(DEVICES, "SYSFS\n");
-	if (dummy_dev.pseudo) {
-		dahdi_dbg(DEVICES, "Removing /dev/dahdi/pseudo:\n");
-		DEL_DAHDI_DEV(DAHDI_PSEUDO);
-		dummy_dev.pseudo = 0;
-	}
-	if (dummy_dev.channel) {
-		dahdi_dbg(DEVICES, "Removing /dev/dahdi/channel:\n");
-		DEL_DAHDI_DEV(DAHDI_CHANNEL);
-		dummy_dev.channel = 0;
-	}
-	if (dummy_dev.timer) {
-		dahdi_dbg(DEVICES, "Removing /dev/dahdi/timer:\n");
-		DEL_DAHDI_DEV(DAHDI_TIMER);
-		dummy_dev.timer = 0;
-	}
-	if (dummy_dev.ctl) {
-		dahdi_dbg(DEVICES, "Removing /dev/dahdi/ctl:\n");
-		DEL_DAHDI_DEV(DAHDI_CTL);
-		dummy_dev.ctl = 0;
-	}
-	if (dahdi_class) {
-		dahdi_dbg(DEVICES, "Destroying DAHDI class:\n");
-		class_destroy(dahdi_class);
-		dahdi_class = NULL;
-	}
-	if (dummy_dev.sysfs_driver_registered) {
+	if (should_cleanup.clean_dahdi_driver) {
 		dahdi_dbg(DEVICES, "Unregister driver\n");
 		driver_unregister(&dahdi_driver);
-		dummy_dev.sysfs_driver_registered = 0;
+		should_cleanup.clean_dahdi_driver = 0;
 	}
-	if (dummy_dev.sysfs_spans_bus_type) {
+	if (should_cleanup.clean_span_bus_type) {
 		dahdi_dbg(DEVICES, "Unregister span bus type\n");
 		bus_unregister(&spans_bus_type);
-		dummy_dev.sysfs_spans_bus_type = 0;
+		should_cleanup.clean_span_bus_type = 0;
+	}
+	dahdi_sysfs_chan_exit();
+	if (should_cleanup.clean_chardev) {
+		dahdi_dbg(DEVICES, "Unregister character device\n");
+		unregister_chrdev(DAHDI_MAJOR, "dahdi");
+		should_cleanup.clean_chardev = 0;
 	}
-	unregister_chrdev(DAHDI_MAJOR, "dahdi");
 
-	if (dummy_dev.dahdi_device_bus_registered) {
+	if (should_cleanup.clean_device_bus) {
+		dahdi_dbg(DEVICES, "Unregister DAHDI device bus\n");
 		bus_unregister(&dahdi_device_bus);
-		dummy_dev.dahdi_device_bus_registered = 0;
+		should_cleanup.clean_device_bus = 0;
 	}
 }
 
@@ -796,10 +757,17 @@ int dahdi_sysfs_add_device(struct dahdi_device *ddev, struct device *parent)
 {
 	int ret;
 	struct device *const dev = &ddev->dev;
+	const char *dn;
 
 	dev->parent = parent;
 	dev->bus = &dahdi_device_bus;
-	dev_set_name(dev, "%s:%s", parent->bus->name, dev_name(parent));
+	dn = dev_name(dev);
+	if (!dn || !*dn) {
+		/* Invent default name based on parent */
+		if (!parent)
+			return -EINVAL;
+		dev_set_name(dev, "%s:%s", parent->bus->name, dev_name(parent));
+	}
 	ret = device_add(dev);
 	return ret;
 }
@@ -818,79 +786,67 @@ void dahdi_sysfs_unregister_device(struct dahdi_device *ddev)
 int __init dahdi_sysfs_init(const struct file_operations *dahdi_fops)
 {
 	int res = 0;
-	void *dev;
+
+	dahdi_dbg(DEVICES, "Registering DAHDI device bus\n");
+
+	/* Handle dahdi-tools paths (for udev environment) */
+	if (tools_rootdir && initdir) {
+		dahdi_err("Cannot use tools-rootdir and initdir parameters simultaneously\n");
+		return -EINVAL;
+	}
+	if (initdir)
+		pr_notice("dahdi: initdir is depracated -- prefer using \"tools_rootdir\" parameter\n");
+	else
+		initdir = "/usr/share/dahdi";
+	if (!tools_rootdir)
+		tools_rootdir = "";
 
 	res = bus_register(&dahdi_device_bus);
 	if (res)
 		return res;
+	should_cleanup.clean_device_bus = 1;
 
-	dummy_dev.dahdi_device_bus_registered = 1;
-
+	dahdi_dbg(DEVICES,
+		"Registering character device (major=%d)\n", DAHDI_MAJOR);
 	res = register_chrdev(DAHDI_MAJOR, "dahdi", dahdi_fops);
 	if (res) {
-		module_printk(KERN_ERR, "Unable to register DAHDI character device handler on %d\n", DAHDI_MAJOR);
+		module_printk(KERN_ERR,
+			"Unable to register DAHDI character device "
+			"handler on %d\n", DAHDI_MAJOR);
 		return res;
 	}
-	module_printk(KERN_INFO, "Telephony Interface Registered on major %d\n",
-			DAHDI_MAJOR);
-	module_printk(KERN_INFO, "Version: %s\n", dahdi_version);
+	should_cleanup.clean_chardev = 1;
 
-	dahdi_class = class_create(THIS_MODULE, "dahdi");
-	if (!dahdi_class) {
-		res = -EEXIST;
+	res = dahdi_sysfs_chan_init(dahdi_fops);
+	if (res)
 		goto cleanup;
-	}
 
-	dahdi_dbg(DEVICES, "Creating /dev/dahdi/timer:\n");
-	dev = MAKE_DAHDI_DEV(DAHDI_TIMER, "dahdi!timer");
-	if (IS_ERR(dev)) {
-		res = PTR_ERR(dev);
-		goto cleanup;
-	}
-	dummy_dev.timer = 1;
-
-	dahdi_dbg(DEVICES, "Creating /dev/dahdi/channel:\n");
-	dev = MAKE_DAHDI_DEV(DAHDI_CHANNEL, "dahdi!channel");
-	if (IS_ERR(dev)) {
-		res = PTR_ERR(dev);
-		goto cleanup;
-	}
-	dummy_dev.channel = 1;
-
-	dahdi_dbg(DEVICES, "Creating /dev/dahdi/pseudo:\n");
-	dev = MAKE_DAHDI_DEV(DAHDI_PSEUDO, "dahdi!pseudo");
-	if (IS_ERR(dev)) {
-		res = PTR_ERR(dev);
-		goto cleanup;
-	}
-	dummy_dev.pseudo = 1;
-
-	dahdi_dbg(DEVICES, "Creating /dev/dahdi/ctl:\n");
-	dev = MAKE_DAHDI_DEV(DAHDI_CTL, "dahdi!ctl");
-	if (IS_ERR(dev)) {
-		res = PTR_ERR(dev);
-		goto cleanup;
-	}
-	dummy_dev.ctl = 1;
 	res = bus_register(&spans_bus_type);
-	if (res != 0) {
+	if (res) {
 		dahdi_err("%s: bus_register(%s) failed. Error number %d",
 			__func__, spans_bus_type.name, res);
 		goto cleanup;
 	}
-	dummy_dev.sysfs_spans_bus_type = 1;
+	should_cleanup.clean_span_bus_type = 1;
+
 	res = driver_register(&dahdi_driver);
-	if (res < 0) {
+	if (res) {
 		dahdi_err("%s: driver_register(%s) failed. Error number %d",
 			__func__, dahdi_driver.name, res);
 		goto cleanup;
 	}
-	dummy_dev.sysfs_driver_registered = 1;
+	should_cleanup.clean_dahdi_driver = 1;
 
+	module_printk(KERN_INFO, "Telephony Interface Registered on major %d\n",
+			DAHDI_MAJOR);
 	return 0;
 
 cleanup:
-	dahdi_sysfs_exit();
+	dahdi_sysfs_cleanup();
 	return res;
 }
 
+void dahdi_sysfs_exit(void)
+{
+	dahdi_sysfs_cleanup();
+}

drivers/dahdi/dahdi-sysfs.h

@@ -0,0 +1,55 @@
+#ifndef	DAHDI_SYSFS_H
+#define	DAHDI_SYSFS_H
+
+#define	DEVICE_ATTR_READER(name, dev, buf) \
+		ssize_t name(struct device *dev, \
+			struct device_attribute *attr, \
+			char *buf)
+#define	DEVICE_ATTR_WRITER(name, dev, buf, count) \
+		ssize_t name(struct device *dev, \
+			struct device_attribute *attr, \
+			const char *buf, size_t count)
+#define BUS_ATTR_READER(name, dev, buf) \
+	ssize_t name(struct device *dev, \
+		struct device_attribute *attr, \
+		char *buf)
+#define BUS_ATTR_WRITER(name, dev, buf, count) \
+		ssize_t name(struct device *dev, \
+			struct device_attribute *attr, \
+			const char *buf, size_t count)
+
+#define	DRIVER_ATTR_READER(name, drv, buf)	\
+		ssize_t name(struct device_driver *drv, char * buf)
+
+/* Device file creation macros */
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+	device_create(class, device, devt, NULL, "%s", name)
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+	device_create(class, device, devt, name)
+#else
+#define CLASS_DEV_CREATE(class, devt, device, name) \
+	class_device_create(class, NULL, devt, device, name)
+#endif
+
+/* Device file destruction macros */
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
+#define CLASS_DEV_DESTROY(class, devt) \
+	device_destroy(class, devt)
+#else
+#define CLASS_DEV_DESTROY(class, devt) \
+	class_device_destroy(class, devt)
+#endif
+
+/* Global */
+int __init dahdi_sysfs_chan_init(const struct file_operations *fops);
+void dahdi_sysfs_chan_exit(void);
+
+/* Channel Handling */
+int chan_sysfs_create(struct dahdi_chan *chan);
+void chan_sysfs_remove(struct dahdi_chan *chan);
+
+#endif	/* DAHDI_SYSFS_H */

drivers/dahdi/dahdi.h

@@ -6,6 +6,7 @@
  *
  * Written by Tzafrir Cohen <tzafrir.cohen@xorcom.com>
  * Copyright (C) 2011, Xorcom
+ * Copyright (C) 2011, Digium, Inc
  *
  * All rights reserved.
  *

drivers/dahdi/dahdi_dummy.c

@@ -10,7 +10,7 @@
  * Converted to use HighResTimers on i386 by Jeffery Palmer <jeff@triggerinc.com>
  *
  * Copyright (C) 2002, Hermes Softlab
- * Copyright (C) 2004-2009, Digium, Inc.
+ * Copyright (C) 2004-2012, Digium, Inc.
  *
  * All rights reserved.
  *
@@ -53,7 +53,7 @@
 #if defined(USE_HIGHRESTIMER)
 #include <linux/hrtimer.h>
 #else
-#include <linux/time.h>
+#include <linux/timer.h>
 #endif
 
 #include <dahdi/kernel.h>
@@ -75,6 +75,7 @@ static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time)
 #endif
 
 struct dahdi_dummy {
+	struct dahdi_device *ddev;
 	struct dahdi_span span;
 	struct dahdi_chan _chan;
 	struct dahdi_chan *chan;
@@ -205,37 +206,44 @@ static const struct dahdi_span_ops dummy_ops = {
 
 static int dahdi_dummy_initialize(struct dahdi_dummy *ztd)
 {
+	int res = 0;
 	/* DAHDI stuff */
+	ztd->ddev = dahdi_create_device();
+	if (!ztd->ddev)
+		return -ENOMEM;
+	dev_set_name(&ztd->ddev->dev, "dahdi_dummy");
 	ztd->chan = &ztd->_chan;
 	sprintf(ztd->span.name, "DAHDI_DUMMY/1");
 	snprintf(ztd->span.desc, sizeof(ztd->span.desc) - 1, "%s (source: " CLOCK_SRC ") %d", ztd->span.name, 1);
 	sprintf(ztd->chan->name, "DAHDI_DUMMY/%d/%d", 1, 0);
-	strlcpy(ztd->span.devicetype, "DAHDI Dummy Timing",
-		sizeof(ztd->span.devicetype));
+	ztd->ddev->devicetype = "DAHDI Dummy Timing";
 	ztd->chan->chanpos = 1;
 	ztd->span.chans = &ztd->chan;
 	ztd->span.channels = 0;		/* no channels on our span */
 	ztd->span.deflaw = DAHDI_LAW_MULAW;
 	ztd->chan->pvt = ztd;
 	ztd->span.ops = &dummy_ops;
-	if (dahdi_register(&ztd->span, 0)) {
-		return -1;
-	}
-	return 0;
+	list_add_tail(&ztd->span.device_node, &ztd->ddev->spans);
+	res = dahdi_register_device(ztd->ddev, NULL);
+	return res;
 }
 
 int init_module(void)
 {
+	int res;
 	ztd = kzalloc(sizeof(*ztd), GFP_KERNEL);
 	if (ztd == NULL) {
 		printk(KERN_ERR "dahdi_dummy: Unable to allocate memory\n");
 		return -ENOMEM;
 	}
 
-	if (dahdi_dummy_initialize(ztd)) {
-		printk(KERN_ERR "dahdi_dummy: Unable to intialize DAHDI driver\n");
+	res = dahdi_dummy_initialize(ztd);
+	if (res) {
+		printk(KERN_ERR
+		       "dahdi_dummy: Unable to intialize DAHDI driver (%d)\n",
+		       res);
 		kfree(ztd);
-		return -ENODEV;
+		return res;
 	}
 
 #if defined(USE_HIGHRESTIMER)
@@ -273,7 +281,8 @@ void cleanup_module(void)
 	atomic_set(&shutdown, 1);
 	del_timer_sync(&timer);
 #endif
-	dahdi_unregister(&ztd->span);
+	dahdi_unregister_device(ztd->ddev);
+	dahdi_free_device(ztd->ddev);
 	kfree(ztd);
 	if (debug)
 		printk(KERN_DEBUG "dahdi_dummy: cleanup() finished\n");

drivers/dahdi/dahdi_dynamic.c

@@ -3,7 +3,7 @@
  *
  * Written by Mark Spencer <markster@digium.com>
  *
- * Copyright (C) 2001-2010, Digium, Inc.
+ * Copyright (C) 2001-2012, Digium, Inc.
  *
  * All rights reserved.
  *
@@ -88,6 +88,8 @@ static int txerrors;
 static struct tasklet_struct dahdi_dynamic_tlet;
 
 static void dahdi_dynamic_tasklet(unsigned long data);
+#else
+static struct tasklet_struct dahdi_dynamic_flush_tlet;
 #endif
 
 static DEFINE_MUTEX(dspan_mutex);
@@ -208,12 +210,25 @@ static void __dahdi_dynamic_run(void)
 		dahdi_dynamic_sendmessage(d);
 	}
 
+#ifdef ENABLE_TASKLETS
+	/* If tasklets are not enabled, the above section will be called in
+	 * interrupt context and the flushing of each driver will be called in a
+	 * separate tasklet that only handles that. This is necessary since some
+	 * of the dynamic spans need to call functions that require interrupts
+	 * to be enabled but dahdi_transmit / ...sendmessage needs to be called
+	 * each time the masterspan is processed which happens with interrupts
+	 * disabled.
+	 *
+	 */
+	tasklet_hi_schedule(&dahdi_dynamic_flush_tlet);
+#else
 	list_for_each_entry_rcu(drv, &driver_list, list) {
 		/* Flush any traffic still pending in the driver */
 		if (drv->flush) {
 			drv->flush();
 		}
 	}
+#endif
 	rcu_read_unlock();
 }
 
@@ -385,16 +400,6 @@ static void dahdi_dynamic_release(struct kref *kref)
 
 	WARN_ON(test_bit(DAHDI_FLAGBIT_REGISTERED, &d->span.flags));
 
-	if (d->pvt) {
-		if (d->driver && d->driver->destroy) {
-			__module_get(d->driver->owner);
-			d->driver->destroy(d);
-			module_put(d->driver->owner);
-		} else {
-			WARN_ON(1);
-		}
-	}
-
 	kfree(d->msgbuf);
 
 	for (x = 0; x < d->span.channels; x++)
@@ -406,12 +411,7 @@ static void dahdi_dynamic_release(struct kref *kref)
 
 static inline int dynamic_put(struct dahdi_dynamic *d)
 {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 12)
-	kref_put(&d->kref, dahdi_dynamic_release);
-	return 1;
-#else
 	return kref_put(&d->kref, dahdi_dynamic_release);
-#endif
 }
 
 static inline void dynamic_get(struct dahdi_dynamic *d)
@@ -470,6 +470,24 @@ static int _destroy_dynamic(struct dahdi_dynamic_span *dds)
 		return -EBUSY;
 	}
 
+	if (d->pvt) {
+		if (d->driver && d->driver->destroy) {
+			if (!try_module_get(d->driver->owner)) {
+				/* The driver for this device is in the
+				 * process of unloading. Leave this dynamic on
+				 * the list so it's cleaned up when the driver
+				 * unregisters. */
+				 dynamic_put(d);
+				 return -ENXIO;
+			}
+			d->driver->destroy(d);
+			module_put(d->driver->owner);
+		} else {
+			WARN_ON(1);
+		}
+		d->pvt = NULL;
+	}
+
 	dahdi_unregister_device(d->ddev);
 
 	spin_lock_irqsave(&dspan_lock, flags);
@@ -605,12 +623,17 @@ static int _create_dynamic(struct dahdi_dynamic_span *dds)
 	strlcpy(d->dname, dds->driver, sizeof(d->dname));
 	strlcpy(d->addr, dds->addr, sizeof(d->addr));
 	d->timing = dds->timing;
-	sprintf(d->span.name, "DYN/%s/%s", dds->driver, dds->addr);
-	sprintf(d->span.desc, "Dynamic '%s' span at '%s'",
-		dds->driver, dds->addr);
+	snprintf(d->span.name, sizeof(d->span.name), "DYN/%s/%s",
+		 dds->driver, dds->addr);
+	snprintf(d->span.desc, sizeof(d->span.desc),
+		 "Dynamic '%s' span at '%s'", dds->driver, dds->addr);
 	d->span.deflaw = DAHDI_LAW_MULAW;
 	d->span.flags |= DAHDI_FLAG_RBS;
 	d->span.chans = d->chans;
+	d->span.spantype = SPANTYPE_DIGITAL_DYNAMIC; 
+	d->span.linecompat = DAHDI_CONFIG_D4 | DAHDI_CONFIG_ESF	| 
+		DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS | DAHDI_CONFIG_CCS |
+		DAHDI_CONFIG_HDB3 | DAHDI_CONFIG_CRC4 | DAHDI_CONFIG_NOTOPEN;
 	d->span.ops = &dynamic_ops;
 	for (x = 0; x < d->span.channels; x++) {
 		sprintf(d->chans[x]->name, "DYN/%s/%s/%d",
@@ -658,6 +681,9 @@ static int _create_dynamic(struct dahdi_dynamic_span *dds)
 		return res;
 	}
 
+	d->ddev->devicetype = d->span.name;
+	d->ddev->hardware_id = d->span.name;
+	dev_set_name(&d->ddev->dev, "dynamic:%s:%d", dds->driver, dtd->id++);
 	list_add_tail(&d->span.device_node, &d->ddev->spans);
 	/* Whee!  We're created.  Now register the span */
 	if (dahdi_register_device(d->ddev, d->dev)) {
@@ -701,6 +727,20 @@ static void dahdi_dynamic_tasklet(unsigned long data)
 	}
 	taskletpending = 0;
 }
+#else
+static void dahdi_dynamic_flush_tasklet(unsigned long data)
+{
+	struct dahdi_dynamic_driver *drv;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(drv, &driver_list, list) {
+		/* Flush any traffic still pending in the driver */
+		if (drv->flush) {
+			drv->flush();
+		}
+	}
+	rcu_read_unlock();
+}
 #endif
 
 static int dahdi_dynamic_ioctl(unsigned int cmd, unsigned long data)
@@ -763,19 +803,17 @@ void dahdi_dynamic_unregister_driver(struct dahdi_dynamic_driver *dri)
 	list_for_each_entry_safe(d, n, &dspan_list, list) {
 		if (d->driver == dri) {
 			if (d->pvt) {
-				if (d->driver && d->driver->destroy) {
-					__module_get(d->driver->owner);
+				if (d->driver && d->driver->destroy)
 					d->driver->destroy(d);
-					module_put(d->driver->owner);
-				} else {
+				else
 					WARN_ON(1);
-				}
 			}
 			dahdi_unregister_device(d->ddev);
 			spin_lock_irqsave(&dspan_lock, flags);
 			list_del_rcu(&d->list);
 			spin_unlock_irqrestore(&dspan_lock, flags);
 			synchronize_rcu();
+			d->driver = NULL;
 			dynamic_put(d);
 		}
 	}
@@ -819,10 +857,13 @@ static void check_for_red_alarm(unsigned long ignored)
 	mod_timer(&alarmcheck, jiffies + 1 * HZ);
 }
 
+static const struct dahdi_dynamic_ops dahdi_dynamic_ops = {
+	.owner = THIS_MODULE,
+	.ioctl = dahdi_dynamic_ioctl,
+};
+
 static int dahdi_dynamic_init(void)
 {
-	dahdi_set_dynamic_ioctl(dahdi_dynamic_ioctl);
-
 	/* Start process to check for RED ALARM */
 	init_timer(&alarmcheck);
 	alarmcheck.expires = 0;
@@ -832,20 +873,31 @@ static int dahdi_dynamic_init(void)
 	mod_timer(&alarmcheck, jiffies + 1 * HZ);
 #ifdef ENABLE_TASKLETS
 	tasklet_init(&dahdi_dynamic_tlet, dahdi_dynamic_tasklet, 0);
+#else
+	tasklet_init(&dahdi_dynamic_flush_tlet, dahdi_dynamic_flush_tasklet, 0);
 #endif
+	dahdi_set_dynamic_ops(&dahdi_dynamic_ops);
+
 	printk(KERN_INFO "DAHDI Dynamic Span support LOADED\n");
 	return 0;
 }
 
 static void dahdi_dynamic_cleanup(void)
 {
+	dahdi_set_dynamic_ops(NULL);
+
 #ifdef ENABLE_TASKLETS
 	if (taskletpending) {
 		tasklet_disable(&dahdi_dynamic_tlet);
 		tasklet_kill(&dahdi_dynamic_tlet);
 	}
+#else
+	tasklet_disable(&dahdi_dynamic_flush_tlet);
+	tasklet_kill(&dahdi_dynamic_flush_tlet);
 #endif
-	dahdi_set_dynamic_ioctl(NULL);
+	del_timer_sync(&alarmcheck);
+	/* Must call again in case it was running before and rescheduled
+	 * itself. */
 	del_timer(&alarmcheck);
 	printk(KERN_INFO "DAHDI Dynamic Span support unloaded\n");
 }

drivers/dahdi/dahdi_dynamic_eth.c

@@ -3,7 +3,7 @@
  *
  * Written by Mark Spencer <markster@digium.com>
  *
- * Copyright (C) 2001-2008, Digium, Inc.
+ * Copyright (C) 2001-2012, Digium, Inc.
  *
  * All rights reserved.
  *
@@ -71,14 +71,12 @@ static struct dahdi_span *ztdeth_getspan(unsigned char *addr, unsigned short sub
 	if (z)
 		span = z->span;
 	spin_unlock_irqrestore(&zlock, flags);
+	if (!span || !test_bit(DAHDI_FLAGBIT_REGISTERED, &span->flags))
+		return NULL;
 	return span;
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14)
 static int ztdeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
-#else
-static int ztdeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt)
-#endif
 {
 	struct dahdi_span *span;
 	struct ztdeth_header *zh;
@@ -87,11 +85,7 @@ static int ztdeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
 #else
 	zh = (struct ztdeth_header *)skb->nh.raw;
 #endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,9)
 	span = ztdeth_getspan(eth_hdr(skb)->h_source, zh->subaddr);
-#else
-	span = ztdeth_getspan(skb->mac.ethernet->h_source, zh->subaddr);
-#endif	
 	if (span) {
 		skb_pull(skb, sizeof(struct ztdeth_header));
 #ifdef NEW_SKB_LINEARIZE
@@ -152,7 +146,7 @@ static void ztdeth_transmit(struct dahdi_dynamic *dyn, u8 *msg, size_t msglen)
 
 	spin_lock_irqsave(&zlock, flags);
 	z = dyn->pvt;
-	if (z->dev) {
+	if (z && z->dev) {
 		/* Copy fields to local variables to remove spinlock ASAP */
 		dev = z->dev;
 		memcpy(addr, z->addr, sizeof(z->addr));
@@ -191,15 +185,16 @@ static void ztdeth_transmit(struct dahdi_dynamic *dyn, u8 *msg, size_t msglen)
 		spin_unlock_irqrestore(&zlock, flags);
 }
 
-
+/**
+ * ztdeth_flush - Flush all pending transactions.
+ *
+ * This function is always called in softirq context.
+ */
 static int ztdeth_flush(void)
 {
 	struct sk_buff *skb;
-
-	/* Handle all transmissions now */
-	while ((skb = skb_dequeue(&skbs))) {
+	while ((skb = skb_dequeue(&skbs)))
 		dev_queue_xmit(skb);
-	}
 	return 0;
 }
 
@@ -284,11 +279,12 @@ static void ztdeth_destroy(struct dahdi_dynamic *dyn)
 		prev = cur;
 		cur = cur->next;
 	}
-	spin_unlock_irqrestore(&zlock, flags);
 	if (cur == z) {	/* Successfully removed */
+		dyn->pvt = NULL;
 		printk(KERN_INFO "TDMoE: Removed interface for %s\n", z->span->name);
 		kfree(z);
 	}
+	spin_unlock_irqrestore(&zlock, flags);
 }
 
 static int ztdeth_create(struct dahdi_dynamic *dyn, const char *addr)
@@ -411,20 +407,22 @@ static struct notifier_block ztdeth_nblock = {
 
 static int __init ztdeth_init(void)
 {
+	skb_queue_head_init(&skbs);
+
 	dev_add_pack(&ztdeth_ptype);
 	register_netdevice_notifier(&ztdeth_nblock);
 	dahdi_dynamic_register_driver(&ztd_eth);
 
-	skb_queue_head_init(&skbs);
-
 	return 0;
 }
 
 static void __exit ztdeth_exit(void)
 {
-	dev_remove_pack(&ztdeth_ptype);
-	unregister_netdevice_notifier(&ztdeth_nblock);
 	dahdi_dynamic_unregister_driver(&ztd_eth);
+	unregister_netdevice_notifier(&ztdeth_nblock);
+	dev_remove_pack(&ztdeth_ptype);
+
+	skb_queue_purge(&skbs);
 }
 
 MODULE_DESCRIPTION("DAHDI Dynamic TDMoE Support");

drivers/dahdi/dahdi_dynamic_ethmf.c

@@ -36,6 +36,7 @@
 #include <linux/netdevice.h>
 #include <linux/notifier.h>
 #include <linux/crc32.h>
+#include <linux/seq_file.h>
 
 /**
  * Undefine USE_PROC_FS, if you do not want the /proc/dahdi/dynamic-ethmf
@@ -224,13 +225,8 @@ static inline int ethmf_trx_spans_ready(unsigned int addr_hash, struct ztdeth *(
 /**
  * Ethernet receiving side processing function.
  */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14)
 static int ztdethmf_rcv(struct sk_buff *skb, struct net_device *dev,
 		struct packet_type *pt, struct net_device *orig_dev)
-#else
-static int ztdethmf_rcv(struct sk_buff *skb, struct net_device *dev,
-		struct packet_type *pt)
-#endif
 {
 	int num_spans = 0, span_index = 0;
 	unsigned char *data;
@@ -267,13 +263,8 @@ static int ztdethmf_rcv(struct sk_buff *skb, struct net_device *dev,
 
 		rcu_read_lock();
 		do {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 9)
 			find_ethmf(eth_hdr(skb)->h_source,
 				htons(span_index), &z, &span);
-#else
-			find_ethmf(skb->mac.ethernet->h_source,
-				htons(span_index), &z, &span);
-#endif
 			if (unlikely(!z || !span)) {
 				/* The recv'd span does not belong to us */
 				/* ethmf_errors_inc(); */
@@ -396,10 +387,6 @@ static void ztdethmf_transmit(struct dahdi_dynamic *dyn, u8 *msg, size_t msglen)
 	struct net_device *dev;
 	unsigned char addr[ETH_ALEN];
 	int spans_ready = 0, index = 0;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 10)
-	static DEFINE_SPINLOCK(lock);
-	unsigned long flags;
-#endif
 
 	if (atomic_read(&shutdown))
 		return;
@@ -411,24 +398,12 @@ static void ztdethmf_transmit(struct dahdi_dynamic *dyn, u8 *msg, size_t msglen)
 		return;
 	}
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 10)
-	if (!atomic_read(&z->ready)) {
-		spin_lock_irqsave(&lock, flags);
-		atomic_inc(&z->ready);
-		if (1 == atomic_read(&z->ready)) {
-			memcpy(z->msgbuf, msg, msglen);
-			z->msgbuf_len = msglen;
-		}
-		spin_unlock_irqrestore(&lock, flags);
-	}
-#else
 	if (!atomic_read(&z->ready)) {
 		if (atomic_inc_return(&z->ready) == 1) {
 			memcpy(z->msgbuf, msg, msglen);
 			z->msgbuf_len = msglen;
 		}
 	}
-#endif
 
 	spans_ready = ethmf_trx_spans_ready(z->addr_hash, &ready_spans);
 	if (spans_ready) {
@@ -722,71 +697,69 @@ static void timer_callback(unsigned long param)
 #ifdef USE_PROC_FS
 static struct proc_dir_entry *proc_entry;
 static const char *ztdethmf_procname = "dahdi/dynamic-ethmf";
-static int ztdethmf_proc_read(char *page, char **start, off_t off, int count,
-		int *eof, void *data)
+
+static int ztdethmf_proc_show(struct seq_file *sfile, void *not_used)
 {
 	struct ztdeth *z = NULL;
-	int len = 0, i = 0;
+	int i = 0;
 	unsigned int group = 0, c = 0;
 
 	rcu_read_lock();
 
-	len += sprintf(page + len, "Errors: %d\n\n", atomic_read(&errcount));
+	seq_printf(sfile, "Errors: %d\n\n", atomic_read(&errcount));
 
 	for (group = 0; group < ETHMF_MAX_GROUPS; ++group) {
 		if (atomic_read(&(ethmf_groups[group].spans))) {
-			len += sprintf(page + len, "Group #%d (0x%x)\n", i++, ethmf_groups[group].hash_addr);
-			len += sprintf(page + len, "  Spans: %d\n",
-				atomic_read(&(ethmf_groups[group].spans)));
+			seq_printf(sfile, "Group #%d (0x%x)\n", i++,
+				   ethmf_groups[group].hash_addr);
+			seq_printf(sfile, "Spans: %d\n",
+				   atomic_read(&(ethmf_groups[group].spans)));
 
 			c = 1;
 			list_for_each_entry_rcu(z, &ethmf_list, list) {
 				if (z->addr_hash == ethmf_groups[group].hash_addr) {
 					if (c == 1) {
-						len += sprintf(page + len,
+						seq_printf(sfile,
 							"  Device: %s (MAC: %02x:%02x:%02x:%02x:%02x:%02x)\n",
 							z->ethdev,
 							z->addr[0], z->addr[1], z->addr[2],
 							z->addr[3], z->addr[4], z->addr[5]);
 					}
-					len += sprintf(page + len, "    Span %d: subaddr=%u ready=%d delay=%d real_channels=%d no_front_padding=%d\n",
+					seq_printf(sfile, "    Span %d: subaddr=%u ready=%d delay=%d real_channels=%d no_front_padding=%d\n",
 						c++, ntohs(z->subaddr),
 						atomic_read(&z->ready), atomic_read(&z->delay),
 						z->real_channels, atomic_read(&z->no_front_padding));
 				}
 			}
-			len += sprintf(page + len, "  Device UPs: %u\n",
+			seq_printf(sfile, "  Device UPs: %u\n",
 				atomic_read(&(ethmf_groups[group].devupcount)));
-			len += sprintf(page + len, "  Device DOWNs: %u\n",
+			seq_printf(sfile, "  Device DOWNs: %u\n",
 				atomic_read(&(ethmf_groups[group].devdowncount)));
-			len += sprintf(page + len, "  Rx Frames: %u\n",
+			seq_printf(sfile, "  Rx Frames: %u\n",
 				atomic_read(&(ethmf_groups[group].rxframecount)));
-			len += sprintf(page + len, "  Tx Frames: %u\n",
+			seq_printf(sfile, "  Tx Frames: %u\n",
 				atomic_read(&(ethmf_groups[group].txframecount)));
-			len += sprintf(page + len, "  Rx Bytes: %u\n",
+			seq_printf(sfile, "  Rx Bytes: %u\n",
 				atomic_read(&(ethmf_groups[group].rxbytecount)));
-			len += sprintf(page + len, "  Tx Bytes: %u\n",
+			seq_printf(sfile, "  Tx Bytes: %u\n",
 				atomic_read(&(ethmf_groups[group].txbytecount)));
-			if (len <= off) {
-				off -= len;
-				len = 0;
-			}
-			if (len > off+count)
-				break;
 		}
 	}
 	rcu_read_unlock();
-
-	if (len <= off) {
-		off -= len;
-		len = 0;
-	}
-	*start = page + off;
-	len -= off;
-	if (len > count)
-		len = count;
-	return len;
+	return 0;
 }
+
+static int ztdethmf_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ztdethmf_proc_show, NULL);
+}
+
+static const struct file_operations ztdethmf_proc_fops = {
+	.open           = ztdethmf_proc_open,
+	.read           = seq_read,
+	.llseek         = seq_lseek,
+	.release        = seq_release,
+};
 #endif
 
 static int __init ztdethmf_init(void)
@@ -804,8 +777,8 @@ static int __init ztdethmf_init(void)
 	skb_queue_head_init(&skbs);
 
 #ifdef USE_PROC_FS
-	proc_entry = create_proc_read_entry(ztdethmf_procname, 0444, NULL,
-		ztdethmf_proc_read, NULL);
+	proc_entry = proc_create_data(ztdethmf_procname, 0444, NULL,
+				      &ztdethmf_proc_fops, NULL);
 	if (!proc_entry) {
 		printk(KERN_ALERT "create_proc_read_entry failed.\n");
 	}

drivers/dahdi/dahdi_dynamic_loc.c

@@ -78,10 +78,11 @@ static LIST_HEAD(dynamic_local_list);
 static void
 dahdi_dynamic_local_transmit(struct dahdi_dynamic *dyn, u8 *msg, size_t msglen)
 {
-	struct dahdi_dynamic_local *const d = dyn->pvt;
+	struct dahdi_dynamic_local *d;
 	unsigned long flags;
 
 	spin_lock_irqsave(&local_lock, flags);
+	d = dyn->pvt;
 	if (d && d->peer && d->peer->span) {
 		if (test_bit(DAHDI_FLAGBIT_REGISTERED, &d->peer->span->flags))
 			dahdi_dynamic_receive(d->peer->span, msg, msglen);
@@ -130,11 +131,12 @@ static int digit2int(char d)
 
 static void dahdi_dynamic_local_destroy(struct dahdi_dynamic *dyn)
 {
-	struct dahdi_dynamic_local *d = dyn->pvt;
+	struct dahdi_dynamic_local *d;
 	unsigned long flags;
 	struct dahdi_dynamic_local *cur;
 
 	spin_lock_irqsave(&local_lock, flags);
+	d = dyn->pvt;
 	list_for_each_entry(cur, &dynamic_local_list, node) {
 		if (cur->peer == d)
 			cur->peer = NULL;

drivers/dahdi/dahdi_echocan_jpah.c

@@ -7,7 +7,7 @@
  * This "echo can" will completely hose your audio.
  * Don't use it unless you're absolutely sure you know what you're doing.
  *
- * Copyright (C) 2007-2008, Digium, Inc.
+ * Copyright (C) 2007-2012, Digium, Inc.
  *
  * All rights reserved.
  *
@@ -38,9 +38,6 @@
 
 static int debug;
 
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-#define debug_printk(level, fmt, args...) if (debug >= level) printk("%s (%s): " fmt, THIS_MODULE->name, __FUNCTION__, ## args)
-
 static int echo_can_create(struct dahdi_chan *chan, struct dahdi_echocanparams *ecp,
 			   struct dahdi_echocanparam *p, struct dahdi_echocan_state **ec);
 static void echo_can_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec);

drivers/dahdi/dahdi_echocan_kb1.c

@@ -5,7 +5,7 @@
  *
  * Based upon mec2.h
  * 
- * Copyright (C) 2002, Digium, Inc.
+ * Copyright (C) 2002-2012, Digium, Inc.
  *
  * Additional background on the techniques used in this code can be found in:
  *
@@ -44,9 +44,6 @@
 static int debug;
 static int aggressive;
 
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-#define debug_printk(level, fmt, args...) if (debug >= level) printk(KERN_DEBUG "%s (%s): " fmt, THIS_MODULE->name, __FUNCTION__, ## args)
-
 /* Uncomment to provide summary statistics for overall echo can performance every 4000 samples */ 
 /* #define MEC2_STATS 4000 */
 

drivers/dahdi/dahdi_echocan_mg2.c

@@ -5,7 +5,7 @@
  *
  * Based upon kb1ec.h and mec2.h
  * 
- * Copyright (C) 2002, Digium, Inc.
+ * Copyright (C) 2002-2012, Digium, Inc.
  *
  * Additional background on the techniques used in this code can be found in:
  *
@@ -44,9 +44,6 @@
 static int debug;
 static int aggressive;
 
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-#define debug_printk(level, fmt, args...) if (debug >= level) printk("%s (%s): " fmt, THIS_MODULE->name, __FUNCTION__, ## args)
-
 #define ABS(a) abs(a!=-32768?a:-32767)
 
 #define RESTORE_COEFFS {\

drivers/dahdi/dahdi_echocan_oslec.c

@@ -36,8 +36,6 @@
 
 #include <dahdi/kernel.h>
 
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-
 static int echo_can_create(struct dahdi_chan *chan, struct dahdi_echocanparams *ecp,
 			   struct dahdi_echocanparam *p, struct dahdi_echocan_state **ec);
 static void echo_can_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec);

drivers/dahdi/dahdi_echocan_sec.c

@@ -48,9 +48,6 @@
 
 static int debug;
 
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-#define debug_printk(level, fmt, args...) if (debug >= level) printk(KERN_DEBUG "%s (%s): " fmt, THIS_MODULE->name, __FUNCTION__, ## args)
-
 #include "arith.h"
 
 #ifndef NULL

drivers/dahdi/dahdi_echocan_sec2.c

@@ -47,9 +47,6 @@
 
 static int debug;
 
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-#define debug_printk(level, fmt, args...) if (debug >= level) printk(KERN_DEBUG "%s (%s): " fmt, THIS_MODULE->name, __FUNCTION__, ## args)
-
 #include "fir.h"
 
 #ifndef NULL

drivers/dahdi/firmware/Makefile

@@ -3,7 +3,7 @@
 # 
 # Makefile for firmware downloading/installation
 #
-# Copyright (C) 2007-2010, Digium, Inc.
+# Copyright (C) 2007-2013, Digium, Inc.
 #
 # Joshua Colp <jcolp@digium.com>
 #
@@ -22,6 +22,7 @@
 
 .PHONY: dist-clean clean all uninstall have_download install object-build hotplug-install hotplug-dirs hotplug-uninstall make_firmware_object firmware-loaders
 
+OCT6114_032_VERSION:=1.05.01
 OCT6114_064_VERSION:=1.05.01
 OCT6114_128_VERSION:=1.05.01
 OCT6114_256_VERSION:=1.05.01
@@ -30,10 +31,19 @@ VPMADT032_VERSION:=1.25.0
 HX8_VERSION:=2.06
 VPMOCT032_VERSION:=1.12.0
 WCT820_VERSION:=1.76
+TE133_VERSION:=780017
+TE134_VERSION:=780017
+TE435_VERSION:=e0017
+A8A_VERSION:=1d0017
+A8B_VERSION:=1d0017
+A4A_VERSION:=a0017
+A4B_VERSION:=b0017
 
 FIRMWARE_URL:=http://downloads.digium.com/pub/telephony/firmware/releases
 
-ALL_FIRMWARE=FIRMWARE-OCT6114-064 FIRMWARE-OCT6114-128 FIRMWARE-OCT6114-256 FIRMWARE-TC400M FIRMWARE-HX8 FIRMWARE-VPMOCT032 FIRMWARE-TE820
+ALL_FIRMWARE=FIRMWARE-OCT6114-032 FIRMWARE-OCT6114-064 FIRMWARE-OCT6114-128 FIRMWARE-OCT6114-256
+ALL_FIRMWARE+=FIRMWARE-TC400M FIRMWARE-HX8 FIRMWARE-VPMOCT032 FIRMWARE-TE820 FIRMWARE-TE133 FIRMWARE-TE134
+ALL_FIRMWARE+=FIRMWARE-A8A FIRMWARE-A8B FIRMWARE-A4A FIRMWARE-A4B FIRMWARE-TE435
 
 # Firmware files should use the naming convention: dahdi-fw-<base name>-<sub name>-<version> or dahdi-fw-<base name>-<version>
 # First example: dahdi-fw-oct6114-064-1.05.01
@@ -42,22 +52,32 @@ ALL_FIRMWARE=FIRMWARE-OCT6114-064 FIRMWARE-OCT6114-128 FIRMWARE-OCT6114-256 FIRM
 # This means this is version MR5.6 of the tc400m firmware
 
 # Build a list of firmware package filenames we need
-FIRMWARE:=$(ALL_FIRMWARE:FIRMWARE-OCT6114-064=dahdi-fw-oct6114-064-$(OCT6114_064_VERSION).tar.gz)
+FIRMWARE:=$(ALL_FIRMWARE:FIRMWARE-OCT6114-032=dahdi-fw-oct6114-032-$(OCT6114_032_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-OCT6114-064=dahdi-fw-oct6114-064-$(OCT6114_064_VERSION).tar.gz)
 FIRMWARE:=$(FIRMWARE:FIRMWARE-OCT6114-128=dahdi-fw-oct6114-128-$(OCT6114_128_VERSION).tar.gz)
 FIRMWARE:=$(FIRMWARE:FIRMWARE-OCT6114-256=dahdi-fw-oct6114-256-$(OCT6114_256_VERSION).tar.gz)
 FIRMWARE:=$(FIRMWARE:FIRMWARE-TC400M=dahdi-fw-tc400m-$(TC400M_VERSION).tar.gz)
 FIRMWARE:=$(FIRMWARE:FIRMWARE-HX8=dahdi-fw-hx8-$(HX8_VERSION).tar.gz)
 FIRMWARE:=$(FIRMWARE:FIRMWARE-VPMOCT032=dahdi-fw-vpmoct032-$(VPMOCT032_VERSION).tar.gz)
 FIRMWARE:=$(FIRMWARE:FIRMWARE-TE820=dahdi-fw-te820-$(WCT820_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-TE133=dahdi-fw-te133-$(TE133_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-TE134=dahdi-fw-te134-$(TE134_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-TE435=dahdi-fw-te435-$(TE435_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-A8A=dahdi-fw-a8b-$(A8B_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-A8B=dahdi-fw-a8a-$(A8A_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-A4A=dahdi-fw-a4b-$(A4B_VERSION).tar.gz)
+FIRMWARE:=$(FIRMWARE:FIRMWARE-A4B=dahdi-fw-a4a-$(A4A_VERSION).tar.gz)
 
 FWLOADERS:=dahdi-fwload-vpmadt032-$(VPMADT032_VERSION).tar.gz
 
 # Build a list of object files if hotplug will not be used
+OBJECT_FILES:=$(ALL_FIRMWARE:FIRMWARE-OCT6114-032=dahdi-fw-oct6114-032.o)
 OBJECT_FILES:=$(ALL_FIRMWARE:FIRMWARE-OCT6114-064=dahdi-fw-oct6114-064.o)
 OBJECT_FILES:=$(OBJECT_FILES:FIRMWARE-OCT6114-128=dahdi-fw-oct6114-128.o)
 OBJECT_FILES:=$(OBJECT_FILES:FIRMWARE-OCT6114-256=dahdi-fw-oct6114-256.o)
 OBJECT_FILES:=$(OBJECT_FILES:FIRMWARE-TC400M=dahdi-fw-tc400m.o)
 OBJECT_FILES:=$(OBJECT_FILES:FIRMWARE-HX8=dahdi-fw-hx8.o)
+OBJECT_FILES:=$(OBJECT_FILES:FIRMWARE-VPMOCT032=dahdi-fw-vpmoct032.o)
 
 # Force usage of wget, for now
 DOWNLOAD=wget
@@ -106,6 +126,17 @@ $(DESTDIR)/usr/lib/hotplug/firmware $(DESTDIR)/lib/firmware:
 
 # Install all downloaded firmware images for hotplug usage
 hotplug-install: $(DESTDIR)/usr/lib/hotplug/firmware $(DESTDIR)/lib/firmware $(FIRMWARE)
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-032-$(OCT6114_032_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-oct6114-032-$(OCT6114_032_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-oct6114-032.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-oct6114-032.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-032-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-032-$(OCT6114_032_VERSION)
+	@install -m 644 dahdi-fw-oct6114-032.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-oct6114-032-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-oct6114-032-$(OCT6114_032_VERSION)
+else
+	@echo "Firmware dahdi-fw-oct6114-032.bin is already installed with required version $(OCT6114_032_VERSION)"
+endif
 ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-064-$(OCT6114_064_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-oct6114-064-$(OCT6114_064_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
 	@echo "Installing dahdi-fw-oct6114-064.bin to hotplug firmware directories"
 	@install -m 644 dahdi-fw-oct6114-064.bin $(DESTDIR)/usr/lib/hotplug/firmware
@@ -184,6 +215,84 @@ else
 	@echo "Firmware dahdi-fw-te820.bin is already installed with required version $(WCT820_VERSION)"
 endif
 
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te133-$(TE133_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-te133-$(TE133_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-te133.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-te133.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te133-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te133-$(TE133_VERSION)
+	@install -m 644 dahdi-fw-te133.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-te133-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-te133-$(TE133_VERSION)
+else
+	@echo "Firmware dahdi-fw-te133.bin is already installed with required version $(TE133_VERSION)"
+endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te134-$(TE134_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-te134-$(TE134_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-te134.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-te134.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te134-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te134-$(TE134_VERSION)
+	@install -m 644 dahdi-fw-te134.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-te134-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-te134-$(TE134_VERSION)
+else
+	@echo "Firmware dahdi-fw-te134.bin is already installed with required version $(TE134_VERSION)"
+endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te435-$(TE435_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-te435-$(TE435_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-te435.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-te435.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te435-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te435-$(TE435_VERSION)
+	@install -m 644 dahdi-fw-te435.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-te435-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-te435-$(TE435_VERSION)
+else
+	@echo "Firmware dahdi-fw-te435.bin is already installed with required version $(TE435_VERSION)"
+endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a8a-$(A8A_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-a8a-$(A8A_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-a8a.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-a8a.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a8a-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a8a-$(A8A_VERSION)
+	@install -m 644 dahdi-fw-a8a.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-a8a-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-a8a-$(A8A_VERSION)
+else
+	@echo "Firmware dahdi-fw-a8a.bin is already installed with required version $(A8A_VERSION)"
+endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a8b-$(A8B_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-a8b-$(A8B_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-a8b.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-a8b.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a8b-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a8b-$(A8B_VERSION)
+	@install -m 644 dahdi-fw-a8b.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-a8b-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-a8b-$(A8B_VERSION)
+else
+	@echo "Firmware dahdi-fw-a8b.bin is already installed with required version $(A8B_VERSION)"
+endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a4a-$(A4A_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-a4a-$(A4A_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-a4a.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-a4a.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a4a-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a4a-$(A4A_VERSION)
+	@install -m 644 dahdi-fw-a4a.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-a4a-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-a4a-$(A4A_VERSION)
+else
+	@echo "Firmware dahdi-fw-a4a.bin is already installed with required version $(A4A_VERSION)"
+endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a4b-$(A4B_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-a4b-$(A4B_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-a4b.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-a4b.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a4b-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-a4b-$(A4B_VERSION)
+	@install -m 645 dahdi-fw-a4b.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-a4b-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-a4b-$(A4B_VERSION)
+else
+	@echo "Firmware dahdi-fw-a4b.bin is already installed with required version $(A4B_VERSION)"
+endif
+
 # Uninstall any installed dahdi firmware images from hotplug firmware directories
 hotplug-uninstall:
 	if [ -d $(DESTDIR)/usr/lib/hotplug/firmware ]; then \
@@ -201,6 +310,11 @@ make_firmware_object: make_firmware_object.in ../dahdi-base.o
 	 sed -e s/BFDNAME/$${BFDNAME}/ -e s/BFDARCH/$${BFDARCH}/ $< > $@
 	@chmod +x $@
 
+# Build object file of an oct6114 032 firmware image for linking
+dahdi-fw-oct6114-032.o: dahdi-fw-oct6114-032-$(OCT6114_032_VERSION).tar.gz dahdi-fw-oct6114-032.bin make_firmware_object
+	@echo Making firmware object file for dahdi-fw-oct6114-032.bin
+	./make_firmware_object dahdi-fw-oct6114-032.bin $@
+
 # Build object file of an oct6114 064 firmware image for linking
 dahdi-fw-oct6114-064.o: dahdi-fw-oct6114-064-$(OCT6114_064_VERSION).tar.gz dahdi-fw-oct6114-064.bin make_firmware_object
 	@echo Making firmware object file for dahdi-fw-oct6114-064.bin
@@ -220,3 +334,8 @@ dahdi-fw-oct6114-256.o: dahdi-fw-oct6114-256-$(OCT6114_256_VERSION).tar.gz dahdi
 dahdi-fw-tc400m.o: dahdi-fw-tc400m-$(TC400M_VERSION).tar.gz dahdi-fw-tc400m.bin make_firmware_object
 	@echo Making firmware object file for dahdi-fw-tc400m.bin
 	./make_firmware_object dahdi-fw-tc400m.bin $@
+
+# Build object file of a VPMOCT032 firmware image for linking
+dahdi-fw-vpmoct032.o: dahdi-fw-vpmoct032-$(VPMOCT032_VERSION).tar.gz dahdi-fw-vpmoct032.bin make_firmware_object
+	@echo Making firmware object file for dahdi-fw-vpmoct032.bin
+	./make_firmware_object dahdi-fw-vpmoct032.bin $@

drivers/dahdi/hpec/dahdi_echocan_hpec.c

@@ -1,7 +1,7 @@
 /*
  * DAHDI Telephony Interface to Digium High-Performance Echo Canceller
  *
- * Copyright (C) 2006-2008 Digium, Inc.
+ * Copyright (C) 2006-2012 Digium, Inc.
  *
  * All rights reserved.
  *
@@ -31,9 +31,6 @@
 
 static int debug;
 
-#define module_printk(level, fmt, args...) printk(level "%s: " fmt, THIS_MODULE->name, ## args)
-#define debug_printk(level, fmt, args...) if (debug >= level) printk(KERN_DEBUG "%s (%s): " fmt, THIS_MODULE->name, __FUNCTION__, ## args)
-
 #include "hpec_user.h"
 #include "hpec.h"
 
@@ -75,18 +72,9 @@ static int __attribute__((regparm(0), format(printf, 1, 2))) logger(const char *
 	int res;
 	va_list args;
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,9)
 	va_start(args, format);
 	res = vprintk(format, args);
 	va_end(args);
-#else
-	char buf[256];
-
-	va_start(args, format);
-	res = vsnprintf(buf, sizeof(buf), format, args);
-	va_end(args);
-	printk(KERN_INFO "%s" buf);
-#endif
 
 	return res;
 }

drivers/dahdi/oct612x/Kbuild

@@ -0,0 +1,32 @@
+#
+# Produces the oct612x library
+#
+octapi_files = octdeviceapi/oct6100api/oct6100_api/oct6100_adpcm_chan.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_channel.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_chip_open.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_chip_stats.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_conf_bridge.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_debug.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_events.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_interrupts.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_memory.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_miscellaneous.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_mixer.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_phasing_tsst.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_playout_buf.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_remote_debug.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tlv.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tone_detection.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tsi_cnct.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tsst.o \
+		apilib/bt/octapi_bt0.o \
+		apilib/largmath/octapi_largmath.o \
+		apilib/llman/octapi_llman.o \
+		oct612x-user.o
+
+# TODO: ccflags was added in 2.6.24 in commit f77bf01425b11947eeb3b5b54. This
+# should be changed to a conditional compilation based on the Kernel Version.
+# ccflags-y := -I$(src)/.. -Wno-undef -I$(src)/include -I$(src)/octdeviceapi -I$(src)/octdeviceapi/oct6100api
+EXTRA_CFLAGS = -I$(src)/.. -Wno-undef -I$(src)/include -I$(src)/octdeviceapi -I$(src)/octdeviceapi/oct6100api
+obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_OCT612X) := oct612x.o
+oct612x-objs := $(octapi_files)

drivers/dahdi/oct612x/Makefile

@@ -1,38 +1,30 @@
-CFLAGS=-V3.4 -ffunction-sections -I/lib/modules/$(shell uname -r)/build/include -Iinclude -Ioctdeviceapi -Ioctdeviceapi/oct6100api -DGFP_ATOMIC=0 -Dkmalloc=calloc -Dkfree=free
-LDFLAGS=-V3.4 -Wl,-Map -Wl,test.map -Wl,--gc-sections
+#
+# Produces the oct612x library
+#
+octapi_files = octdeviceapi/oct6100api/oct6100_api/oct6100_adpcm_chan.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_channel.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_chip_open.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_chip_stats.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_conf_bridge.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_debug.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_events.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_interrupts.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_memory.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_miscellaneous.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_mixer.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_phasing_tsst.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_playout_buf.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_remote_debug.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tlv.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tone_detection.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tsi_cnct.o \
+		octdeviceapi/oct6100api/oct6100_api/oct6100_tsst.o \
+		apilib/bt/octapi_bt0.o \
+		apilib/largmath/octapi_largmath.o \
+		apilib/llman/octapi_llman.o
 
-APIDIR=octdeviceapi/oct6100api/oct6100_api
-
-OCTASIC_OBJS=$(APIDIR)/oct6100_adpcm_chan.o \
-	    $(APIDIR)/oct6100_channel.o \
-	    $(APIDIR)/oct6100_chip_open.o \
-	    $(APIDIR)/oct6100_chip_stats.o \
-	    $(APIDIR)/oct6100_conf_bridge.o \
-	    $(APIDIR)/oct6100_debug.o \
-	    $(APIDIR)/oct6100_events.o \
-	    $(APIDIR)/oct6100_interrupts.o \
-	    $(APIDIR)/oct6100_memory.o \
-	    $(APIDIR)/oct6100_miscellaneous.o \
-	    $(APIDIR)/oct6100_mixer.o \
-	    $(APIDIR)/oct6100_phasing_tsst.o \
-	    $(APIDIR)/oct6100_playout_buf.o \
-	    $(APIDIR)/oct6100_remote_debug.o \
-	    $(APIDIR)/oct6100_tlv.o \
-	    $(APIDIR)/oct6100_tone_detection.o \
-	    $(APIDIR)/oct6100_tsi_cnct.o \
-	    $(APIDIR)/oct6100_tsst.o \
-	    $(APIDIR)/oct6100_user.o \
-	    apilib/bt/octapi_bt0.o \
-	    apilib/largmath/octapi_largmath.o \
-	    apilib/llman/octapi_llman.o
-
-
-all: test
-
-test.o: test.c
-
-test: test.o $(OCTASIC_OBJS)
-
-clean:
-	rm -rf test test.o
-	rm -rf $(OCTASIC_OBJS)
+# TODO: ccflags was added in 2.6.24 in commit f77bf01425b11947eeb3b5b54. This
+# should be changed to a conditional compilation based on the Kernel Version.
+# ccflags-y := -I$(src)/.. -Wno-undef -I$(src)/include -I$(src)/octdeviceapi -I$(src)/octdeviceapi/oct6100api
+EXTRA_CFLAGS = -I$(src)/.. -Wno-undef -I$(src)/include -I$(src)/octdeviceapi -I$(src)/octdeviceapi/oct6100api
+lib-y := $(octapi_files)

drivers/dahdi/oct612x/oct612x-user.c

@@ -0,0 +1,200 @@
+/*
+ * Octasic OCT6100 Interface
+ *
+ * Copyright (C) 2013 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <dahdi/kernel.h>
+
+#include "oct612x.h"
+
+UINT32 Oct6100UserGetTime(tPOCT6100_GET_TIME f_pTime)
+{
+	/* Why couldn't they just take a timeval like everyone else? */
+	struct timeval tv;
+	unsigned long long total_usecs;
+	unsigned int mask = ~0;
+
+	do_gettimeofday(&tv);
+	total_usecs = (((unsigned long long)(tv.tv_sec)) * 1000000) +
+				  (((unsigned long long)(tv.tv_usec)));
+	f_pTime->aulWallTimeUs[0] = (total_usecs & mask);
+	f_pTime->aulWallTimeUs[1] = (total_usecs >> 32);
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserMemSet(PVOID f_pAddress, UINT32 f_ulPattern,
+			 UINT32 f_ulLength)
+{
+	memset(f_pAddress, f_ulPattern, f_ulLength);
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserMemCopy(PVOID f_pDestination, const void *f_pSource,
+			  UINT32 f_ulLength)
+{
+	memcpy(f_pDestination, f_pSource, f_ulLength);
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserCreateSerializeObject(
+			tPOCT6100_CREATE_SERIALIZE_OBJECT f_pCreate)
+{
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserDestroySerializeObject(
+			tPOCT6100_DESTROY_SERIALIZE_OBJECT f_pDestroy)
+{
+#ifdef OCTASIC_DEBUG
+	pr_debug("I should never be called! (destroy serialize object)\n");
+#endif
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserSeizeSerializeObject(
+		tPOCT6100_SEIZE_SERIALIZE_OBJECT f_pSeize)
+{
+	/* Not needed */
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserReleaseSerializeObject(
+		tPOCT6100_RELEASE_SERIALIZE_OBJECT f_pRelease)
+{
+	/* Not needed */
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserDriverWriteApi(tPOCT6100_WRITE_PARAMS f_pWriteParams)
+{
+	struct oct612x_context *context = f_pWriteParams->pProcessContext;
+#ifdef OCTASIC_DEBUG
+	if (!context || !context->ops || !context->ops->write) {
+		pr_debug("Invalid call to %s\n", __func__);
+		return cOCT6100_ERR_BASE;
+	}
+#endif
+	context->ops->write(context, f_pWriteParams->ulWriteAddress,
+			    f_pWriteParams->usWriteData);
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserDriverWriteSmearApi(tPOCT6100_WRITE_SMEAR_PARAMS f_pSmearParams)
+{
+	struct oct612x_context *context = f_pSmearParams->pProcessContext;
+#ifdef OCTASIC_DEBUG
+	if (!context || !context->ops || !context->ops->write_smear) {
+		pr_debug("Invalid call to %s\n", __func__);
+		return cOCT6100_ERR_BASE;
+	}
+#endif
+	context->ops->write_smear(context, f_pSmearParams->ulWriteAddress,
+				  f_pSmearParams->usWriteData,
+				  f_pSmearParams->ulWriteLength);
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserDriverWriteBurstApi(
+		tPOCT6100_WRITE_BURST_PARAMS f_pBurstParams)
+{
+	struct oct612x_context *context = f_pBurstParams->pProcessContext;
+#ifdef OCTASIC_DEBUG
+	if (!context || !context->ops || !context->ops->write_burst) {
+		pr_debug("Invalid call to %s\n", __func__);
+		return cOCT6100_ERR_BASE;
+	}
+#endif
+	context->ops->write_burst(context, f_pBurstParams->ulWriteAddress,
+				  f_pBurstParams->pusWriteData,
+				  f_pBurstParams->ulWriteLength);
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserDriverReadApi(tPOCT6100_READ_PARAMS f_pReadParams)
+{
+	struct oct612x_context *context = f_pReadParams->pProcessContext;
+#ifdef OCTASIC_DEBUG
+	if (!context || !context->ops || !context->ops->read) {
+		pr_debug("Invalid call to %s\n", __func__);
+		return cOCT6100_ERR_BASE;
+	}
+#endif
+	context->ops->read(context, f_pReadParams->ulReadAddress,
+			   f_pReadParams->pusReadData);
+	return cOCT6100_ERR_OK;
+}
+
+UINT32 Oct6100UserDriverReadBurstApi(tPOCT6100_READ_BURST_PARAMS f_pBurstParams)
+{
+	struct oct612x_context *context = f_pBurstParams->pProcessContext;
+#ifdef OCTASIC_DEBUG
+	if (!context || !context->ops || !context->ops->read_burst) {
+		pr_debug("Invalid call to %s\n", __func__);
+		return cOCT6100_ERR_BASE;
+	}
+#endif
+	context->ops->read_burst(context, f_pBurstParams->ulReadAddress,
+				 f_pBurstParams->pusReadData,
+				 f_pBurstParams->ulReadLength);
+	return cOCT6100_ERR_OK;
+}
+
+EXPORT_SYMBOL(Oct6100ChipOpen);
+EXPORT_SYMBOL(Oct6100ChipClose);
+EXPORT_SYMBOL(Oct6100ChipCloseDef);
+EXPORT_SYMBOL(Oct6100GetInstanceSize);
+EXPORT_SYMBOL(Oct6100GetInstanceSizeDef);
+EXPORT_SYMBOL(Oct6100ChipOpenDef);
+EXPORT_SYMBOL(Oct6100ChannelModify);
+EXPORT_SYMBOL(Oct6100ToneDetectionEnableDef);
+EXPORT_SYMBOL(Oct6100InterruptServiceRoutine);
+EXPORT_SYMBOL(Oct6100InterruptServiceRoutineDef);
+EXPORT_SYMBOL(Oct6100ApiGetCapacityPins);
+EXPORT_SYMBOL(Oct6100ToneDetectionEnable);
+EXPORT_SYMBOL(Oct6100EventGetToneDef);
+EXPORT_SYMBOL(Oct6100EventGetTone);
+EXPORT_SYMBOL(Oct6100ApiGetCapacityPinsDef);
+EXPORT_SYMBOL(Oct6100ChannelOpen);
+EXPORT_SYMBOL(Oct6100ChannelOpenDef);
+EXPORT_SYMBOL(Oct6100ChannelModifyDef);
+
+static int __init oct612x_module_init(void)
+{
+	/* This registration with dahdi.ko will fail since the span is not
+	 * defined, but it will make sure that this module is a dependency of
+	 * dahdi.ko, so that when it is being unloded, this module will be
+	 * unloaded as well. */
+	dahdi_register_device(NULL, NULL);
+	return 0;
+}
+module_init(oct612x_module_init);
+
+static void __exit oct612x_module_cleanup(void)
+{
+	/* Nothing to do */;
+}
+module_exit(oct612x_module_cleanup);
+
+MODULE_AUTHOR("Digium Incorporated <support@digium.com>");
+MODULE_DESCRIPTION("Octasic OCT6100 Hardware Echocan Library");
+MODULE_LICENSE("GPL v2");

drivers/dahdi/oct612x/oct612x.h

@@ -0,0 +1,49 @@
+/*
+ * Octasic OCT6100 Interface
+ *
+ * Copyright (C) 2013 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+#ifndef __OCT612X_H__
+#define __OCT612X_H__
+
+#include <oct6100api/oct6100_api.h>
+
+struct oct612x_context;
+
+/**
+ * struct oct612x_ops - Callbacks used by oct612x library to talk to part.
+ *
+ */
+struct oct612x_ops {
+	int (*write)(struct oct612x_context *context, u32 address, u16 value);
+	int (*read)(struct oct612x_context *context, u32 address, u16 *value);
+	int (*write_smear)(struct oct612x_context *context, u32 address,
+			   u16 value, size_t count);
+	int (*write_burst)(struct oct612x_context *context, u32 address,
+			   const u16 *value, size_t count);
+	int (*read_burst)(struct oct612x_context *context, u32 address,
+			  u16 *value, size_t count);
+};
+
+struct oct612x_context {
+	const struct oct612x_ops *ops;
+	struct device *dev;
+};
+
+#endif /* __OCT612X_H__ */

drivers/dahdi/tor2.c

@@ -290,12 +290,12 @@ static void init_spans(struct tor2 *tor)
 			s->channels = 24;
 			s->deflaw = DAHDI_LAW_MULAW;
 			s->linecompat = DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS | DAHDI_CONFIG_D4 | DAHDI_CONFIG_ESF;
-			s->spantype = "T1";
+			s->spantype = SPANTYPE_DIGITAL_T1;
 		} else {
 			s->channels = 31;
 			s->deflaw = DAHDI_LAW_ALAW;
 			s->linecompat = DAHDI_CONFIG_HDB3 | DAHDI_CONFIG_CCS | DAHDI_CONFIG_CRC4;
-			s->spantype = "E1";
+			s->spantype = SPANTYPE_DIGITAL_E1;
 		}
 		s->chans = tor->chans[x];
 		s->flags = DAHDI_FLAG_RBS;

drivers/dahdi/voicebus/Kbuild

@@ -2,4 +2,17 @@ obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_VOICEBUS) += dahdi_voicebus.o
 
 dahdi_voicebus-objs := voicebus.o GpakCust.o GpakApi.o voicebus_net.o vpmoct.o
 
-EXTRA_CFLAGS := -I$(src)/.. -Wno-undef
+FIRM_DIR	:= ../firmware
+
+ifneq ($(HOTPLUG_FIRMWARE),yes)
+dahdi_voicebus-objs += $(FIRM_DIR)/dahdi-fw-vpmoct032.o
+$(warning WARNING: You are compiling firmware into voicebus.ko which is not available under the terms of the GPL. It may be a violation of the GPL to distribute the resulting image since it combines both GPL and non-GPL work. You should consult a lawyer of your own before distributing such an image.)
+else
+  EXTRA_CFLAGS+=-DHOTPLUG_FIRMWARE
+endif
+
+EXTRA_CFLAGS += -I$(src)/.. -Wno-undef
+
+$(obj)/$(FIRM_DIR)/dahdi-fw-vpmoct032.o: $(obj)/voicebus.o
+	$(MAKE) -C $(obj)/$(FIRM_DIR) dahdi-fw-vpmoct032.o
+

drivers/dahdi/voicebus/Makefile

@@ -1,6 +0,0 @@
-ifdef KBUILD_EXTMOD
-# We only get here on kernels 2.6.0-2.6.9 .
-# For newer kernels, Kbuild will be included directly by the kernel
-# build system.
-include $(src)/Kbuild
-endif

drivers/dahdi/voicebus/voicebus.h

@@ -57,6 +57,15 @@
  * (and not tasklet). */
 #define CONFIG_VOICEBUS_INTERRUPT
 
+/*
+ * Enable the following definition in order to disable Active-State Power
+ * Management on the PCIe bridge for PCIe cards. This has been known to work
+ * around issues where the BIOS enables it on the cards even though the
+ * platform does not support it.
+ *
+ */
+#undef CONFIG_VOICEBUS_DISABLE_ASPM
+
 /* Define this to use a FIFO for the software echocan reference.
  * (experimental) */
 #undef CONFIG_VOICEBUS_ECREFERENCE

drivers/dahdi/voicebus/vpmoct.c

@@ -443,6 +443,47 @@ static void vpmoct_set_defaults(struct vpmoct *vpm)
 	vpmoct_write_dword(vpm, 0x30, 0);
 }
 
+static const char *const FIRMWARE_NAME = "dahdi-fw-vpmoct032.bin";
+#if defined(HOTPLUG_FIRMWARE)
+static int
+vpmoct_request_firmware(const struct firmware **fw, struct device *dev)
+{
+	return request_firmware(fw, FIRMWARE_NAME, dev);
+}
+
+static void vpmoct_release_firmware(const struct firmware *fw)
+{
+	release_firmware(fw);
+}
+#else
+static int
+vpmoct_request_firmware(const struct firmware **fw_p, struct device *dev)
+{
+	struct firmware *fw;
+	extern void _binary_dahdi_fw_vpmoct032_bin_size;
+	extern u8 _binary_dahdi_fw_vpmoct032_bin_start[];
+
+	*fw_p = fw = kzalloc(sizeof(*fw), GFP_KERNEL);
+	if (!fw)
+		return -ENOMEM;
+
+	fw->data = _binary_dahdi_fw_vpmoct032_bin_start;
+	/* Yes... this is weird. objcopy gives us a symbol containing
+	   the size of the firmware, not a pointer a variable containing the
+	   size. The only way we can get the value of the symbol is to take
+	   its address, so we define it as a pointer and then cast that value
+	   to the proper type.  */
+	fw->size = (size_t) &_binary_dahdi_fw_vpmoct032_bin_size;
+
+	return 0;
+}
+
+static void vpmoct_release_firmware(const struct firmware *fw)
+{
+	kfree(fw);
+}
+#endif
+
 /**
  * vpmoct_load_flash - Check the current flash version and possibly load.
  * @vpm:  The VPMOCT032 module to check / load.
@@ -463,10 +504,9 @@ static void vpmoct_load_flash(struct work_struct *data)
 	const struct firmware *fw;
 	const struct vpmoct_header *header;
 	char serial[VPMOCT_SERIAL_SIZE+1];
-	const char *const FIRMWARE_NAME = "dahdi-fw-vpmoct032.bin";
 	int i;
 
-	res = request_firmware(&fw, FIRMWARE_NAME, vpm->dev);
+	res = vpmoct_request_firmware(&fw, vpm->dev);
 	if (res) {
 		dev_warn(vpm->dev,
 			 "vpmoct: Failed to load firmware from userspace! %d\n",
@@ -505,7 +545,7 @@ static void vpmoct_load_flash(struct work_struct *data)
 				 FIRMWARE_NAME);
 
 			/* Just use the old version of the fimware. */
-			release_firmware(fw);
+			vpmoct_release_firmware(fw);
 			vpmoct_set_defaults(vpm);
 			vpmoct_load_complete(work, true);
 			return;
@@ -514,7 +554,7 @@ static void vpmoct_load_flash(struct work_struct *data)
 		if (vpm->minor == header->minor &&
 		    vpm->major == header->major) {
 			/* Proper version is running */
-			release_firmware(fw);
+			vpmoct_release_firmware(fw);
 			vpmoct_set_defaults(vpm);
 			vpmoct_load_complete(work, true);
 			return;
@@ -548,14 +588,14 @@ static void vpmoct_load_flash(struct work_struct *data)
 	if (vpmoct_check_firmware_crc(vpm, fw->size-VPMOCT_FIRM_HEADER_LEN*2,
 					header->major, header->minor))
 		goto error;
-	release_firmware(fw);
+	vpmoct_release_firmware(fw);
 	vpmoct_set_defaults(vpm);
 	vpmoct_load_complete(work, true);
 	return;
 
 error:
 	dev_info(vpm->dev, "Unable to load firmware\n");
-	release_firmware(fw);
+	vpmoct_release_firmware(fw);
 	/* TODO: Should we disable module if the firmware doesn't load? */
 	vpmoct_load_complete(work, false);
 	return;

drivers/dahdi/vpmadt032_loader/dahdi_vpmadt032_loader.c

@@ -1,7 +1,7 @@
 /*
  * DAHDI Telephony Interface to VPMADT032 Firmware Loader
  *
- * Copyright (C) 2008-2011 Digium, Inc. All rights reserved.
+ * Copyright (C) 2008-2012 Digium, Inc. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -38,18 +38,9 @@ logger(const char *format, ...)
 	int res;
 	va_list args;
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 9)
 	va_start(args, format);
 	res = vprintk(format, args);
 	va_end(args);
-#else
-	char buf[256];
-
-	va_start(args, format);
-	res = vsnprintf(buf, sizeof(buf), format, args);
-	va_end(args);
-	printk(KERN_INFO "%s" buf);
-#endif
 
 	return res;
 }

drivers/dahdi/wcb4xxp/Makefile

@@ -1,7 +0,0 @@
-ifdef KBUILD_EXTMOD
-# We only get here on kernels 2.6.0-2.6.9 .
-# For newer kernels, Kbuild will be included directly by the kernel
-# build system.
-include $(src)/Kbuild
-else
-endif

drivers/dahdi/wcb4xxp/base.c

@@ -2,7 +2,7 @@
  * WCB410P  Quad-BRI PCI Driver
  * Written by Andrew Kohlsmith <akohlsmith@mixdown.ca>
  *
- * Copyright (C) 2009-2011 Digium, Inc.
+ * Copyright (C) 2009-2012 Digium, Inc.
  * All rights reserved.
  *
  */
@@ -35,7 +35,6 @@
 #include <linux/spinlock.h>
 #include <linux/device.h>	/* dev_err() */
 #include <linux/interrupt.h>
-#include <asm/system.h>		/* cli(), *_flags */
 #include <asm/uaccess.h>	/* copy_*_user */
 #include <linux/workqueue.h>	/* work_struct */
 #include <linux/timer.h>	/* timer_struct */
@@ -91,6 +90,7 @@ static int milliwatt = 0;
 static int pedanticpci = 0;
 static int teignorered = 0;
 static int alarmdebounce = 500;
+static int persistentlayer1 = 1;
 static int vpmsupport = 1;
 static int timer_1_ms = 2000;
 static int timer_3_ms = 30000;
@@ -140,7 +140,7 @@ static struct devtype hfc8s_BN = {"BeroNet BN8S0", .ports = 8, .card_type = BN8S
 static struct devtype hfc4s_SW = {"Swyx 4xS0 SX2 QuadBri", .ports = 4, .card_type = BSWYX_SX2 };
 static struct devtype hfc4s_EV = {"CCD HFC-4S Eval. Board", .ports = 4,
 					.card_type = QUADBRI_EVAL };
- 
+
 #define CARD_HAS_EC(card) ((card)->card_type == B410P)
 
 static void echocan_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec);
@@ -1198,7 +1198,6 @@ static int b4xxp_find_sync(struct b4xxp *b4)
 		return src;
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 18))
 static ssize_t b4_timing_master_show(struct device *dev,
 				     struct device_attribute *attr,
 				     char *buf)
@@ -1226,13 +1225,6 @@ static void remove_sysfs_files(struct b4xxp *b4)
 			   &dev_attr_timing_master);
 }
 
-#else
-
-static inline void create_sysfs_files(struct b4xxp *b4) { return; }
-static inline void remove_sysfs_files(struct b4xxp *b4) { return; }
-
-#endif /* LINUX_KERNEL > 2.6.18 */
-
 /*
  * allocates memory and pretty-prints a given S/T state engine state to it.
  * calling routine is responsible for freeing the pointer returned!
@@ -1250,7 +1242,8 @@ static char *hfc_decode_st_state(struct b4xxp *b4, int port, unsigned char state
 			"?", "?", "?", "?", "?", "?", "?", "?" }
 	};
 
-	if (!(str = kmalloc(256, GFP_KERNEL))) {
+	str = kmalloc(256, GFP_ATOMIC);
+	if (!str) {
 		dev_warn(&b4->pdev->dev, "could not allocate mem for ST state decode string!\n");
 		return NULL;
 	}
@@ -1303,6 +1296,9 @@ static void hfc_force_st_state(struct b4xxp *b4, int port, int state, int resume
 	hfc_handle_state(&b4->spans[port]);
 }
 
+static void hfc_stop_st(struct b4xxp_span *s);
+static void hfc_start_st(struct b4xxp_span *s);
+
 /* figures out what to do when an S/T port's timer expires. */
 static void hfc_timer_expire(struct b4xxp_span *s, int t_no)
 {
@@ -1316,10 +1312,15 @@ static void hfc_timer_expire(struct b4xxp_span *s, int t_no)
 			 s->hfc_timer_on[t_no]);
 	}
 /*
- * there are three timers associated with every HFC S/T port.
- * T1 is used by the NT state machine, and is the maximum time the NT side should wait for G3 (active) state.
- * T2 is not actually used in the driver, it is handled by the HFC-4S internally.
- * T3 is used by the TE state machine; it is the maximum time the TE side should wait for the INFO4 (activated) signal.
+ * There are four timers associated with every HFC S/T port:
+ * T1 is used by the NT state machine, and is the maximum time the NT side
+ *	should wait for G3 (active) state.
+ * T2 is not actually used in the driver, it is handled by the HFC-4S
+ *	internally.
+ * T3 is used by the TE state machine; it is the maximum time the TE side should
+ *	wait for the INFO4 (activated) signal.
+ * T4 is a special timer used for debug purposes for monitoring of L1 state
+ *	during activation attempt.
  */
 
 /* First, disable the expired timer; hfc_force_st_state() may activate it again. */
@@ -1333,7 +1334,14 @@ static void hfc_timer_expire(struct b4xxp_span *s, int t_no)
 		hfc_force_st_state(b4, s->port, 1, 1);
 		break;
 	case HFC_T3:					/* switch to F3 (deactivated), resume auto mode */
-		hfc_force_st_state(b4, s->port, 3, 1);
+		hfc_stop_st(s);
+		if (persistentlayer1)
+			hfc_start_st(s);
+		break;
+	case HFC_T4:
+		hfc_handle_state(s);
+		s->hfc_timers[HFC_T4] = b4->ticks + 1000;
+		s->hfc_timer_on[HFC_T4] = 1;
 		break;
 	default:
 		if (printk_ratelimit()) {
@@ -1356,9 +1364,9 @@ static void hfc_update_st_timers(struct b4xxp *b4)
 	for (i=0; i < b4->numspans; i++) {
 		s = &b4->spans[i];
 
-		for (j=HFC_T1; j <= HFC_T3; j++) {
-
-/* we don't really do timer2, it is expired by the state change handler */
+		for (j = HFC_T1; j < ARRAY_SIZE(s->hfc_timers); j++) {
+			/* we don't really do timer2, it is expired by the
+			 * state change handler */
 			if (j == HFC_T2)
 				continue;
 
@@ -1442,6 +1450,7 @@ static void hfc_handle_state(struct b4xxp_span *s)
 			break;
 		case 0x7:			/* TE state F7: Activated */
 			s->hfc_timer_on[HFC_T3] = 0;
+			s->hfc_timer_on[HFC_T4] = 0;
 			s->newalarm = 0;
 			break;
 		}
@@ -1463,14 +1472,17 @@ static void hfc_handle_state(struct b4xxp_span *s)
 
 /* If we're in F3 and receiving INFO0, start T3 and jump to F4 */
 	if (!nt && (sta == 3) && (state & V_INFO0)) {
-		s->hfc_timers[HFC_T3] = b4->ticks + timer_3_ms;
-		s->hfc_timer_on[HFC_T3] = 1;
-		if (DBG_ST) {
-			dev_info(&b4->pdev->dev,
-				 "port %d: receiving INFO0 in state 3, "
-				 "setting T3 and jumping to F4\n", s->port + 1);
+		if (persistentlayer1) {
+			s->hfc_timers[HFC_T3] = b4->ticks + timer_3_ms;
+			s->hfc_timer_on[HFC_T3] = 1;
+			if (DBG_ST) {
+				dev_info(&b4->pdev->dev,
+					 "port %d: receiving INFO0 in state 3, "
+					 "setting T3 and jumping to F4\n",
+					 s->port + 1);
+			}
+			hfc_start_st(s);
 		}
-		hfc_force_st_state(b4, s->port, 4, 1);
 	}
 
 /* read in R_BERT_STA to determine where our current sync source is */
@@ -1485,6 +1497,24 @@ static void hfc_handle_state(struct b4xxp_span *s)
 	}
 }
 
+static void hfc_stop_all_timers(struct b4xxp_span *s)
+{
+	s->hfc_timer_on[HFC_T4] = 0;
+	s->hfc_timer_on[HFC_T3] = 0;
+	s->hfc_timer_on[HFC_T2] = 0;
+	s->hfc_timer_on[HFC_T1] = 0;
+}
+
+static void hfc_stop_st(struct b4xxp_span *s)
+{
+	struct b4xxp *b4 = s->parent;
+
+	hfc_stop_all_timers(s);
+
+	b4xxp_setreg_ra(b4, R_ST_SEL, s->port, A_ST_WR_STA,
+			V_ST_ACT_DEACTIVATE);
+}
+
 /*
  * resets an S/T interface to a given NT/TE mode
  */
@@ -1495,10 +1525,16 @@ static void hfc_reset_st(struct b4xxp_span *s)
 
 	b4 = s->parent;
 
+	hfc_stop_st(s);
+
 /* force state G0/F0 (reset), then force state 1/2 (deactivated/sensing) */
 	b4xxp_setreg_ra(b4, R_ST_SEL, s->port, A_ST_WR_STA, V_ST_LD_STA);
 	flush_pci();			/* make sure write hit hardware */
 
+	s->span.alarms = DAHDI_ALARM_RED;
+	s->newalarm = DAHDI_ALARM_RED;
+	dahdi_alarm_notify(&s->span);
+
 	udelay(10);
 
 /* set up the clock control register.  Must be done before we activate the interface. */
@@ -1529,9 +1565,13 @@ static void hfc_start_st(struct b4xxp_span *s)
 
 /* start T1 if in NT mode, T3 if in TE mode */
 	if (s->te_mode) {
-		s->hfc_timers[HFC_T3] = b4->ticks + 500;	/* 500ms wait first time, timer_t3_ms afterward. */
+		s->hfc_timers[HFC_T3] = b4->ticks + timer_3_ms;
 		s->hfc_timer_on[HFC_T3] = 1;
 		s->hfc_timer_on[HFC_T1] = 0;
+
+		s->hfc_timers[HFC_T4] = b4->ticks + 1000;
+		s->hfc_timer_on[HFC_T4] = 1;
+
 		if (DBG_ST) {
 			dev_info(&b4->pdev->dev,
 				 "setting port %d t3 timer to %lu\n",
@@ -1549,17 +1589,6 @@ static void hfc_start_st(struct b4xxp_span *s)
 	}
 }
 
-#if 0 /* TODO: This function is not called anywhere */
-static void hfc_stop_st(struct b4xxp_span *s)
-{
-	b4xxp_setreg_ra(s->parent, R_ST_SEL, s->port, A_ST_WR_STA, V_ST_ACT_DEACTIVATE);
-
-	s->hfc_timer_on[HFC_T1] = 0;
-	s->hfc_timer_on[HFC_T2] = 0;
-	s->hfc_timer_on[HFC_T3] = 0;
-}
-#endif
-
 /*
  * read in the HFC GPIO to determine each port's mode (TE or NT).
  * Then, reset and start the port.
@@ -1592,8 +1621,6 @@ static void hfc_init_all_st(struct b4xxp *b4)
 		dev_info(&b4->pdev->dev,
 			 "Port %d: %s mode\n", i + 1, (nt ? "NT" : "TE"));
 
-		hfc_reset_st(s);
-		hfc_start_st(s);
 	}
 }
 
@@ -1850,10 +1877,10 @@ static int hdlc_tx_frame(struct b4xxp_span *bspan)
 	char debugbuf[256];
 	unsigned long irq_flags;
 
-/* if we're ignoring TE red alarms and we are in alarm, restart the S/T state machine */
-	if (bspan->te_mode && teignorered && bspan->newalarm == DAHDI_ALARM_RED) {
-		hfc_force_st_state(b4, bspan->port, 3, 1);
-	}
+	/* if we're ignoring TE red alarms and we are in alarm, restart the
+	 * S/T state machine */
+	if (bspan->te_mode && bspan->newalarm != 0)
+		hfc_start_st(bspan);
 
 	fifo = bspan->fifos[2];
 	res = dahdi_hdlc_getbuf(bspan->sigchan, buf, &size);
@@ -2341,6 +2368,10 @@ static int b4xxp_spanconfig(struct file *file, struct dahdi_span *span,
 	if (lc->sync)
 		b4->spans[lc->sync - 1].sync = (span->offset + 1);
 
+	hfc_reset_st(bspan);
+	if (persistentlayer1)
+		hfc_start_st(bspan);
+
 	b4xxp_reset_span(bspan);
 
 /* call startup() manually here, because DAHDI won't call the startup function unless it receives an IOCTL to do so, and dahdi_cfg doesn't. */
@@ -2475,7 +2506,9 @@ static void init_spans(struct b4xxp *b4)
 		bspan = &b4->spans[i];
 		bspan->parent = b4;
 
-		bspan->span.spantype = (bspan->te_mode) ? "TE" : "NT";
+		bspan->span.spantype = (bspan->te_mode)
+			? SPANTYPE_DIGITAL_BRI_TE
+			: SPANTYPE_DIGITAL_BRI_NT;
 		bspan->span.offset = i;
 		bspan->span.channels = WCB4XXP_CHANNELS_PER_SPAN;
 		bspan->span.flags = 0;
@@ -3119,6 +3152,7 @@ module_param(vpmsupport, int, S_IRUGO);
 module_param(timer_1_ms, int, S_IRUGO | S_IWUSR);
 module_param(timer_3_ms, int, S_IRUGO | S_IWUSR);
 module_param(companding, charp, S_IRUGO);
+module_param(persistentlayer1, int, S_IRUGO | S_IWUSR);
 
 MODULE_PARM_DESC(debug, "bitmap: 1=general 2=dtmf 4=regops 8=fops 16=ec 32=st state 64=hdlc 128=alarm");
 MODULE_PARM_DESC(spanfilter, "debug filter for spans. bitmap: 1=port 1, 2=port 2, 4=port 3, 8=port 4");

drivers/dahdi/wcb4xxp/wcb4xxp.h

@@ -376,6 +376,7 @@
 #define HFC_T1					0
 #define HFC_T2					1
 #define HFC_T3					2
+#define HFC_T4					3
 
 #define MAX_SPANS_PER_CARD			8
 
@@ -396,8 +397,8 @@ struct b4xxp_span {
 	unsigned long alarmtimer;
 
 	int te_mode;				/* 1=TE, 0=NT */
-	unsigned long hfc_timers[WCB4XXP_CHANNELS_PER_SPAN];		/* T1, T2, T3 */
-	int hfc_timer_on[WCB4XXP_CHANNELS_PER_SPAN];			/* 1=timer active */
+	unsigned long hfc_timers[4];		/* T1, T2, T3, Fake T4 */
+	int hfc_timer_on[4];			/* 1=timer active */
 	int fifos[WCB4XXP_CHANNELS_PER_SPAN];				/* B1, B2, D <--> host fifo numbers */
 
 	/* HDLC controller fields */

drivers/dahdi/wct1xxp.c

@@ -792,12 +792,12 @@ static int t1xxp_software_init(struct t1xxp *wc)
 		wc->span.channels = 31;
 		wc->span.deflaw = DAHDI_LAW_ALAW;
 		wc->span.linecompat = DAHDI_CONFIG_HDB3 | DAHDI_CONFIG_CCS | DAHDI_CONFIG_CRC4;
-		wc->span.spantype = "E1";
+		wc->span.spantype = SPANTYPE_DIGITAL_E1;
 	} else {
 		wc->span.channels = 24;
 		wc->span.deflaw = DAHDI_LAW_MULAW;
 		wc->span.linecompat = DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS | DAHDI_CONFIG_D4 | DAHDI_CONFIG_ESF;
-		wc->span.spantype = "T1";
+		wc->span.spantype = SPANTYPE_DIGITAL_T1;
 	}
 	for (x=0;x<wc->span.channels;x++) {
 		sprintf(wc->chans[x]->name, "WCT1/%d/%d", wc->num, x + 1);

drivers/dahdi/wct4xxp/Kbuild

@@ -2,7 +2,7 @@ obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCT4XXP) += wct4xxp.o
 
 FIRM_DIR	:= ../firmware
 
-EXTRA_CFLAGS += -I$(src)/.. $(shell $(src)/../oct612x/octasic-helper cflags $(src)/../oct612x) -Wno-undef
+EXTRA_CFLAGS += -I$(src)/.. -I$(src)/../oct612x/ $(shell $(src)/../oct612x/octasic-helper cflags $(src)/../oct612x) -Wno-undef
 
 # The OCT612X source files are from a vendor drop and we do not want to edit
 # them to make this warning go away. Therefore, turn off the
@@ -14,10 +14,11 @@ ifeq ($(HOTPLUG_FIRMWARE),yes)
   EXTRA_CFLAGS+=-DHOTPLUG_FIRMWARE
 endif
 
-wct4xxp-objs := base.o vpm450m.o $(shell $(src)/../oct612x/octasic-helper objects ../oct612x)
+wct4xxp-objs := base.o vpm450m.o
 
 ifneq ($(HOTPLUG_FIRMWARE),yes)
 wct4xxp-objs += $(FIRM_DIR)/dahdi-fw-oct6114-064.o $(FIRM_DIR)/dahdi-fw-oct6114-128.o $(FIRM_DIR)/dahdi-fw-oct6114-256.o
+$(warning WARNING: You are compiling firmware into wct4xxp.ko which is not available under the terms of the GPL. It may be a violation of the GPL to distribute the resulting image since it combines both GPL and non-GPL work. You should consult a lawyer of your own before distributing such an image.)
 endif
 
 $(obj)/$(FIRM_DIR)/dahdi-fw-oct6114-064.o: $(obj)/base.o

drivers/dahdi/wct4xxp/Makefile

@@ -1,8 +0,0 @@
-ifdef KBUILD_EXTMOD
-# We only get here on kernels 2.6.0-2.6.9 .
-# For newer kernels, Kbuild will be included directly by the kernel
-# build system.
-include $(src)/Kbuild
-
-else
-endif

drivers/dahdi/wct4xxp/base.c

@@ -9,7 +9,7 @@
  *   Russ Meyerriecks <rmeyerriecks@digium.com>
  *
  * Copyright (C) 2001 Jim Dixon / Zapata Telephony.
- * Copyright (C) 2001-2011, Digium, Inc.
+ * Copyright (C) 2001-2012, Digium, Inc.
  *
  * All rights reserved.
  *
@@ -119,11 +119,7 @@ struct cpu_workqueue_struct {
  */
 struct workqueue_struct {
 	/* TODO: Find out exactly where the API changed */
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
 	struct cpu_workqueue_struct *cpu_wq;
-#else
-	struct cpu_workqueue_struct cpu_wq[NR_CPUS];
-#endif
 	const char *name;
 	struct list_head list; 	/* Empty if single thread */
 };
@@ -173,12 +169,21 @@ static inline int t4_queue_work(struct workqueue_struct *wq, struct work_struct
 /* #define CONFIG_FORCE_EXTENDED_RESET */
 /* #define CONFIG_NOEXTENDED_RESET */
 
+/*
+ * Uncomment the following definition in order to disable Active-State Power
+ * Management on the PCIe bridge for PCIe cards. This has been known to work
+ * around issues where the BIOS enables it on the cards even though the
+ * platform does not support it.
+ *
+ */
+/* #define CONFIG_WCT4XXP_DISABLE_ASPM */
+
 #if defined(CONFIG_FORCE_EXTENDED_RESET) && defined(CONFIG_NOEXTENDED_RESET)
 #error "You cannot define both CONFIG_FORCE_EXTENDED_RESET and " \
 		"CONFIG_NOEXTENDED_RESET."
 #endif
 
-static int debug=0;
+int debug = 0;
 static int timingcable = 0;
 static int t1e1override = -1;  /* deprecated */
 static char *default_linemode = "auto";
@@ -294,6 +299,7 @@ struct t4_span {
 	unsigned long alarmcheck_time;
 	int spanflags;
 	int syncpos;
+
 #ifdef SUPPORT_GEN1
 	int e1check;			/* E1 check */
 #endif
@@ -340,6 +346,7 @@ struct t4 {
 	int irq;			/* IRQ used by device */
 	int order;			/* Order */
 	const struct devtype *devtype;
+	unsigned int reset_required:1;	/* If reset needed in serial_setup */
 	unsigned int falc31:1;	/* are we falc v3.1 (atomic not necessary) */
 	unsigned int t1e1:8;	/* T1 / E1 select pins */
 	int ledreg;				/* LED Register */
@@ -378,9 +385,14 @@ struct t4 {
 	struct spi_state st;
 };
 
+static inline bool is_pcie(const struct t4 *wc)
+{
+	return (wc->devtype->flags & FLAG_EXPRESS) > 0;
+}
+
 static inline bool has_e1_span(const struct t4 *wc)
 {
-	return (wc->t1e1) != 0;
+	return (wc->t1e1 > 0);
 }
 
 static inline bool is_octal(const struct t4 *wc)
@@ -426,6 +438,7 @@ static const struct dahdi_echocan_ops vpm_ec_ops = {
 #endif
 
 static void __set_clear(struct t4 *wc, int span);
+static int _t4_startup(struct file *file, struct dahdi_span *span);
 static int t4_startup(struct file *file, struct dahdi_span *span);
 static int t4_shutdown(struct dahdi_span *span);
 static int t4_rbsbits(struct dahdi_chan *chan, int bits);
@@ -494,7 +507,7 @@ static void t4_check_sigbits(struct t4 *wc, int span);
 #define FMR5_EIBR (1 << 6)	/* Internal Bit Robbing Access */
 #define DEC_T 0x60		/* Diable Error Counter */
 #define IERR_T 0x1B		/* Single Bit Defect Insertion Register */
-#define IBV	0	 /* Bipolar violation */
+#define IBV	(1 << 0) /* Bipolar violation */
 #define IPE	(1 << 1) /* PRBS defect */
 #define ICASE	(1 << 2) /* CAS defect */
 #define ICRCE	(1 << 3) /* CRC defect */
@@ -670,11 +683,12 @@ static unsigned int __t4_framer_in(const struct t4 *wc, int unit,
 
 	val = ((unit & 0x3) << 8) | (addr & 0xff) | haddr;
 	writel(val, wc_laddr);
-	/* readl(wc_version); */
+	readl(wc_version);
 	writel(val | WC_LFRMR_CS | WC_LREAD, wc_laddr);
 	readl(wc_version);
 	ret = readb(wc_ldata);
 	writel(val, wc_laddr);
+	readl(wc_version);
 	return ret;
 }
 
@@ -700,11 +714,13 @@ static void __t4_framer_out(const struct t4 *wc, int unit, const u8 addr,
 
 	val = ((unit & 0x3) << 8) | (addr & 0xff) | haddr;
 	writel(val, wc_laddr);
+	readl(wc_version);
 	writel(value, wc_ldata);
 	readl(wc_version);
 	writel(val | WC_LFRMR_CS | WC_LWRITE, wc_laddr);
-	/* readl(wc_version); */
+	readl(wc_version);
 	writel(val, wc_laddr);
+	readl(wc_version);
 }
 
 static void t4_framer_out(struct t4 *wc, int unit,
@@ -1105,15 +1121,11 @@ static int t4_echocan_create(struct dahdi_chan *chan,
 	struct t4 *wc = chan->pvt;
 	struct t4_span *tspan = container_of(chan->span, struct t4_span, span);
 	int channel;
-	const struct dahdi_echocan_ops *ops;
-	const struct dahdi_echocan_features *features;
+	const bool alaw = (chan->span->deflaw == 2);
 
 	if (!vpmsupport || !wc->vpm)
 		return -ENODEV;
 
-	ops = &vpm_ec_ops;
-	features = &vpm_ec_features;
-
 	if (ecp->param_count > 0) {
 		dev_warn(&wc->dev->dev, "%s echo canceller does not support "
 			 "parameters; failing request\n",
@@ -1122,24 +1134,24 @@ static int t4_echocan_create(struct dahdi_chan *chan,
 	}
 
 	*ec = tspan->ec[chan->chanpos - 1];
-	(*ec)->ops = ops;
-	(*ec)->features = *features;
+	(*ec)->ops = &vpm_ec_ops;
+	(*ec)->features = vpm_ec_features;
 
 	channel = has_e1_span(wc) ? chan->chanpos : chan->chanpos + 4;
 
-	if (wc->vpm) {
-		if (is_octal(wc))
-			channel = channel << 3;
-		else
-			channel = channel << 2;
-		channel |= chan->span->offset;
-		if (debug & DEBUG_ECHOCAN)
-			dev_notice(&wc->dev->dev, "echocan: Card is %d, "
-				"Channel is %d, Span is %d, offset is %d "
-				"length %d\n", wc->num, chan->chanpos,
-				chan->span->offset, channel, ecp->tap_length);
-		vpm450m_setec(wc->vpm, channel, ecp->tap_length);
+	if (is_octal(wc))
+		channel = channel << 3;
+	else
+		channel = channel << 2;
+	channel |= chan->span->offset;
+	if (debug & DEBUG_ECHOCAN) {
+		dev_notice(&wc->dev->dev,
+			   "echocan: Card is %d, Channel is %d, Span is %d, offset is %d length %d\n",
+			   wc->num, chan->chanpos, chan->span->offset,
+			   channel, ecp->tap_length);
 	}
+	vpm450m_set_alaw_companding(wc->vpm, channel, alaw);
+	vpm450m_setec(wc->vpm, channel, ecp->tap_length);
 	return 0;
 }
 
@@ -1148,23 +1160,23 @@ static void echocan_free(struct dahdi_chan *chan, struct dahdi_echocan_state *ec
 	struct t4 *wc = chan->pvt;
 	int channel;
 
-	memset(ec, 0, sizeof(*ec));
+	if (!wc->vpm)
+		return;
 
+	memset(ec, 0, sizeof(*ec));
 	channel = has_e1_span(wc) ? chan->chanpos : chan->chanpos + 4;
 
-	if (wc->vpm) {
-		if (is_octal(wc))
-			channel = channel << 3;
-		else
-			channel = channel << 2;
-		channel |= chan->span->offset;
-		if (debug & DEBUG_ECHOCAN)
-			dev_notice(&wc->dev->dev, "echocan: Card is %d, "
-				"Channel is %d, Span is %d, offset is %d "
-				"length 0\n", wc->num, chan->chanpos,
-				chan->span->offset, channel);
-		vpm450m_setec(wc->vpm, channel, 0);
+	if (is_octal(wc))
+		channel = channel << 3;
+	else
+		channel = channel << 2;
+	channel |= chan->span->offset;
+	if (debug & DEBUG_ECHOCAN) {
+		dev_notice(&wc->dev->dev,
+			   "echocan: Card is %d, Channel is %d, Span is %d, offset is %d length 0\n",
+			   wc->num, chan->chanpos, chan->span->offset, channel);
 	}
+	vpm450m_setec(wc->vpm, channel, 0);
 }
 #endif
 
@@ -1222,9 +1234,11 @@ static int t4_ioctl(struct dahdi_chan *chan, unsigned int cmd, unsigned long dat
 		else
 			clear_bit(chan->chanpos - 1, &ts->dtmfmutemask);
 
-		channel = (chan->chanpos) << 3;
-		if (!has_e1_span(wc))
-			channel += (4 << 3);
+		channel = has_e1_span(wc) ? chan->chanpos : chan->chanpos + 4;
+		if (is_octal(wc))
+			channel = channel << 3;
+		else
+			channel = channel << 2;
 		channel |= chan->span->offset;
 		vpm450m_setdtmf(wc->vpm, channel, j & DAHDI_TONEDETECT_ON,
 				j & DAHDI_TONEDETECT_MUTE);
@@ -1680,7 +1694,7 @@ static void t4_chan_set_sigcap(struct dahdi_span *span, int x)
 }
 
 static int
-t4_spanconfig(struct file *file, struct dahdi_span *span,
+_t4_spanconfig(struct file *file, struct dahdi_span *span,
 	      struct dahdi_lineconfig *lc)
 {
 	int i;
@@ -1695,8 +1709,11 @@ t4_spanconfig(struct file *file, struct dahdi_span *span,
 
 	if (lc->sync < 0)
 		lc->sync = 0;
-	if (lc->sync > wc->numspans)
+	if (lc->sync > wc->numspans) {
+		dev_warn(&wc->dev->dev, "WARNING: Cannot set priority on span %d to %d. Please set to a number between 1 and %d\n",
+			 span->spanno, lc->sync, wc->numspans);
 		lc->sync = 0;
+	}
 	
 	/* remove this span number from the current sync sources, if there */
 	for(i = 0; i < wc->numspans; i++) {
@@ -1720,13 +1737,36 @@ t4_spanconfig(struct file *file, struct dahdi_span *span,
 
 	/* If we're already running, then go ahead and apply the changes */
 	if (span->flags & DAHDI_FLAG_RUNNING)
-		return t4_startup(file, span);
+		return _t4_startup(file, span);
 
 	if (debug)
 		dev_info(&wc->dev->dev, "Done with spanconfig!\n");
 	return 0;
 }
 
+static int
+t4_spanconfig(struct file *file, struct dahdi_span *span,
+	      struct dahdi_lineconfig *lc)
+{
+	int ret;
+	struct dahdi_device *const ddev = span->parent;
+	struct dahdi_span *s;
+
+	ret = _t4_spanconfig(file, span, lc);
+
+	/* Make sure all the spans have a basic configuration in case they are
+	 * not all specified in the configuration files. */
+	lc->sync = 0;
+	list_for_each_entry(s, &ddev->spans, device_node) {
+		WARN_ON(!s->channels);
+		if (!s->channels)
+			continue;
+		if (!s->chans[0]->sigcap)
+			_t4_spanconfig(file, s, lc);
+	}
+	return ret;
+}
+
 static int
 t4_chanconfig(struct file *file, struct dahdi_chan *chan, int sigtype)
 {
@@ -1850,6 +1890,33 @@ static void setup_chunks(struct t4 *wc, int which)
 	}
 }
 
+static int __t4_hardware_init_1(struct t4 *wc, unsigned int cardflags,
+				bool first_time);
+static int __t4_hardware_init_2(struct t4 *wc, bool first_time);
+
+static int t4_hardware_stop(struct t4 *wc);
+
+static void t4_framer_reset(struct t4 *wc)
+{
+	const bool first_time = false;
+	bool have_vpm = wc->vpm != NULL;
+	if (have_vpm) {
+		release_vpm450m(wc->vpm);
+		wc->vpm = NULL;
+	}
+	t4_hardware_stop(wc);
+	__t4_set_sclk_src(wc, WC_SELF, 0, 0);
+	__t4_hardware_init_1(wc, wc->devtype->flags, first_time);
+	__t4_hardware_init_2(wc, first_time);
+	if (have_vpm) {
+		t4_vpm_init(wc);
+		wc->dmactrl |= (wc->vpm) ? T4_VPM_PRESENT : 0;
+		t4_pci_out(wc, WC_DMACTRL, wc->dmactrl);
+	}
+	setup_chunks(wc, 0);
+	wc->lastindex = 0;
+}
+
 /**
  * t4_serial_setup - Setup serial parameters and system interface.
  * @wc:		The card to configure.
@@ -1859,6 +1926,7 @@ static void t4_serial_setup(struct t4 *wc)
 {
 	unsigned long flags;
 	unsigned int unit;
+	bool reset_required = false;
 
 	if (debug) {
 		dev_info(&wc->dev->dev,
@@ -1866,6 +1934,14 @@ static void t4_serial_setup(struct t4 *wc)
 			 wc->numspans);
 	}
 
+	spin_lock_irqsave(&wc->reglock, flags);
+	reset_required = wc->reset_required > 0;
+	wc->reset_required = 0;
+	spin_unlock_irqrestore(&wc->reglock, flags);
+
+	if (reset_required)
+		t4_framer_reset(wc);
+
 	spin_lock_irqsave(&wc->reglock, flags);
 	/* GPC1: Multiplex mode enabled, FSC is output, active low, RCLK from
 	 * channel 0 */
@@ -2016,16 +2092,23 @@ static void t4_span_assigned(struct dahdi_span *span)
 	struct t4 *wc = tspan->owner;
 	struct dahdi_span *pos;
 	unsigned int unassigned_spans = 0;
+	unsigned long flags;
 
 	/* We use this to make sure all the spans are assigned before
 	 * running the serial setup. */
 	list_for_each_entry(pos, &wc->ddev->spans, device_node) {
-		if (!test_bit(DAHDI_FLAGBIT_REGISTERED, &span->flags))
+		if (!test_bit(DAHDI_FLAGBIT_REGISTERED, &pos->flags))
 			++unassigned_spans;
 	}
 
-	if (0 == unassigned_spans)
+	if (0 == unassigned_spans) {
 		t4_serial_setup(wc);
+
+		set_bit(T4_CHECK_TIMING, &wc->checkflag);
+		spin_lock_irqsave(&wc->reglock, flags);
+		__t4_set_sclk_src(wc, WC_SELF, 0, 0);
+		spin_unlock_irqrestore(&wc->reglock, flags);
+	}
 }
 
 static void free_wc(struct t4 *wc)
@@ -2076,6 +2159,8 @@ static int t4_alloc_channels(struct t4 *wc, struct t4_span *ts,
 	for (i = 0; i < ARRAY_SIZE(ts->chans); ++i) {
 		kfree(ts->chans[i]);
 		kfree(ts->ec[i]);
+		ts->chans[i] = NULL;
+		ts->ec[i] = NULL;
 	}
 
 	ts->linemode = linemode;
@@ -2115,13 +2200,13 @@ static void t4_init_one_span(struct t4 *wc, struct t4_span *ts)
 
 	switch (ts->linemode) {
 	case T1:
-		ts->span.spantype = "T1";
+		ts->span.spantype = SPANTYPE_DIGITAL_T1;
 		break;
 	case E1:
-		ts->span.spantype = "E1";
+		ts->span.spantype = SPANTYPE_DIGITAL_E1;
 		break;
 	case J1:
-		ts->span.spantype = "J1";
+		ts->span.spantype = SPANTYPE_DIGITAL_J1;
 		break;
 	}
 
@@ -2170,40 +2255,58 @@ static void t4_init_one_span(struct t4 *wc, struct t4_span *ts)
 /**
  * t4_set_linemode - Allows user space to change the linemode before spans are assigned.
  * @span:	span on which to change the linemode.
- * @linemode:	Textual description of the new linemode.
+ * @linemode:	A value from enumerated spantypes
  *
  * This callback is used to override the E1/T1 mode jumper settings and set
  * the linemode on for each span. Called when the "spantype" attribute
  * is written in sysfs under the dahdi_device.
  *
  */
-static int t4_set_linemode(struct dahdi_span *span, const char *linemode)
+static int t4_set_linemode(struct dahdi_span *span, enum spantypes linemode)
 {
 	struct t4_span *ts = container_of(span, struct t4_span, span);
 	struct t4 *wc = ts->owner;
 	int res = 0;
 	enum linemode mode;
+	const char *old_name;
+	static DEFINE_MUTEX(linemode_lock);
+	unsigned long flags;
 
-	dev_dbg(&wc->dev->dev, "Setting '%s' to '%s'\n", span->name, linemode);
+	dev_dbg(&wc->dev->dev, "Setting '%s' to '%s'\n", span->name,
+		dahdi_spantype2str(linemode));
 
-	if (!strcasecmp(span->spantype, linemode))
+	if (span->spantype == linemode)
 		return 0;
 
-	if (!strcasecmp(linemode, "t1")) {
+	spin_lock_irqsave(&wc->reglock, flags);
+	wc->reset_required = 1;
+	spin_unlock_irqrestore(&wc->reglock, flags);
+
+	/* Do not allow the t1e1 member to be changed by multiple threads. */
+	mutex_lock(&linemode_lock);
+	old_name = dahdi_spantype2str(span->spantype);
+	switch (linemode) {
+	case SPANTYPE_DIGITAL_T1:
 		dev_info(&wc->dev->dev,
-			 "Changing from %s to T1 line mode.\n", span->spantype);
+			 "Changing from %s to T1 line mode.\n", old_name);
 		mode = T1;
-	} else if (!strcasecmp(linemode, "e1")) {
+		wc->t1e1 &= ~(1 << span->offset);
+		break;
+	case SPANTYPE_DIGITAL_E1:
 		dev_info(&wc->dev->dev,
-			 "Changing from %s to E1 line mode.\n", span->spantype);
+			 "Changing from %s to E1 line mode.\n", old_name);
 		mode = E1;
-	} else if (!strcasecmp(linemode, "j1")) {
+		wc->t1e1 |= (1 << span->offset);
+		break;
+	case SPANTYPE_DIGITAL_J1:
 		dev_info(&wc->dev->dev,
-			 "Changing from %s to J1 line mode.\n", span->spantype);
+			 "Changing from %s to J1 line mode.\n", old_name);
 		mode = J1;
-	} else {
+		wc->t1e1 &= ~(1 << span->offset);
+		break;
+	default:
 		dev_err(&wc->dev->dev,
-			"'%s' is an unknown linemode.\n", linemode);
+			"Got invalid linemode %d from dahdi\n", linemode);
 		res = -EINVAL;
 	}
 
@@ -2213,6 +2316,7 @@ static int t4_set_linemode(struct dahdi_span *span, const char *linemode)
 		dahdi_init_span(span);
 	}
 
+	mutex_unlock(&linemode_lock);
 	return res;
 }
 
@@ -2280,13 +2384,13 @@ static void init_spans(struct t4 *wc)
 			 "T%dXXP (PCI) Card %d Span %d", wc->numspans, wc->num, x+1);
 		switch (ts->linemode) {
 		case T1:
-			ts->span.spantype = "T1";
+			ts->span.spantype = SPANTYPE_DIGITAL_T1;
 			break;
 		case E1:
-			ts->span.spantype = "E1";
+			ts->span.spantype = SPANTYPE_DIGITAL_E1;
 			break;
 		case J1:
-			ts->span.spantype = "J1";
+			ts->span.spantype = SPANTYPE_DIGITAL_J1;
 			break;
 		}
 
@@ -2400,7 +2504,6 @@ static void __t4_set_sclk_src(struct t4 *wc, int mode, int master, int slave)
 	__t4_pci_out(wc, WC_DMACTRL, wc->dmactrl);
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 18))
 static ssize_t t4_timing_master_show(struct device *dev,
 				     struct device_attribute *attr,
 				     char *buf)
@@ -2431,13 +2534,6 @@ static void remove_sysfs_files(struct t4 *wc)
 			   &dev_attr_timing_master);
 }
 
-#else
-
-static inline void create_sysfs_files(struct t4 *wc) { return; }
-static inline void remove_sysfs_files(struct t4 *wc) { return; }
-
-#endif /* LINUX_KERNEL > 2.6.18 */
-
 static inline void __t4_update_timing(struct t4 *wc)
 {
 	int i;
@@ -2782,6 +2878,10 @@ static void __t4_configure_e1(struct t4 *wc, int unit, int lineconfig)
 	__t4_framer_out(wc, unit, 0x17, 0x04 | imr3extra); /* IMR3: AIS */
 	__t4_framer_out(wc, unit, 0x18, 0x3f);  /* IMR4: We care about slips on transmit */
 
+	__t4_framer_out(wc, unit, 0x2f, 0x00);
+	__t4_framer_out(wc, unit, 0x30, 0x00);
+	__t4_framer_out(wc, unit, 0x31, 0x00);
+
 	dev_info(&wc->dev->dev, "TE%dXXP: Span %d configured for %s/%s%s\n",
 			wc->numspans, unit + 1, framing, line, crc4);
 }
@@ -2819,7 +2919,7 @@ static int t4_check_for_interrupts(struct t4 *wc)
 	return 0;
 }
 
-static int t4_startup(struct file *file, struct dahdi_span *span)
+static int _t4_startup(struct file *file, struct dahdi_span *span)
 {
 #ifdef SUPPORT_GEN1
 	int i;
@@ -2952,6 +3052,21 @@ static int t4_startup(struct file *file, struct dahdi_span *span)
 	return 0;
 }
 
+static int t4_startup(struct file *file, struct dahdi_span *span)
+{
+	int ret;
+	struct dahdi_device *const ddev = span->parent;
+	struct dahdi_span *s;
+
+	ret = _t4_startup(file, span);
+	list_for_each_entry(s, &ddev->spans, device_node) {
+		if (!test_bit(DAHDI_FLAGBIT_RUNNING, &s->flags)) {
+			_t4_startup(file, s);
+		}
+	}
+	return ret;
+}
+
 #ifdef SUPPORT_GEN1
 static inline void e1_check(struct t4 *wc, int span, int val)
 {
@@ -3627,7 +3742,7 @@ static inline void t4_framer_interrupt(struct t4 *wc, int span)
 	}
 	if (!ts->span.alarms) {
 		if ((isr3 & 0x3) || (isr4 & 0xc0))
-			ts->span.timingslips++;
+			ts->span.count.timingslips++;
 
 		if (debug & DEBUG_MAIN) {
 			if (isr3 & 0x02)
@@ -3648,7 +3763,7 @@ static inline void t4_framer_interrupt(struct t4 *wc, int span)
 					wc->numspans, span + 1);
 		}
 	} else
-		ts->span.timingslips = 0;
+		ts->span.count.timingslips = 0;
 
 	spin_lock_irqsave(&wc->reglock, flags);
 	/* HDLC controller checks - receive side */
@@ -3767,7 +3882,7 @@ static inline void t4_framer_interrupt(struct t4 *wc, int span)
 }
 
 #ifdef SUPPORT_GEN1
-DAHDI_IRQ_HANDLER(t4_interrupt)
+static irqreturn_t _t4_interrupt(int irq, void *dev_id)
 {
 	struct t4 *wc = dev_id;
 	unsigned long flags;
@@ -3835,6 +3950,16 @@ DAHDI_IRQ_HANDLER(t4_interrupt)
 
 	return IRQ_RETVAL(1);
 }
+
+DAHDI_IRQ_HANDLER(t4_interrupt)
+{
+	irqreturn_t ret;
+	unsigned long flags;
+	local_irq_save(flags);
+	ret = _t4_interrupt(irq, dev_id);
+	local_irq_restore(flags);
+	return ret;
+}
 #endif
 
 static int t4_allocate_buffers(struct t4 *wc, int numbufs,
@@ -3952,7 +4077,7 @@ static void t4_isr_bh(unsigned long data)
 #endif
 }
 
-DAHDI_IRQ_HANDLER(t4_interrupt_gen2)
+static irqreturn_t _t4_interrupt_gen2(int irq, void *dev_id)
 {
 	struct t4 *wc = dev_id;
 	unsigned int status;
@@ -4148,6 +4273,16 @@ out:
 	return IRQ_RETVAL(1);
 }
 
+DAHDI_IRQ_HANDLER(t4_interrupt_gen2)
+{
+	irqreturn_t ret;
+	unsigned long flags;
+	local_irq_save(flags);
+	ret = _t4_interrupt_gen2(irq, dev_id);
+	local_irq_restore(flags);
+	return ret;
+}
+
 #ifdef SUPPORT_GEN1
 static int t4_reset_dma(struct t4 *wc)
 {
@@ -4223,7 +4358,7 @@ static void t4_vpm_init(struct t4 *wc)
 			laws[x] = 1;
 	}
 
-	vpm_capacity = get_vpm450m_capacity(wc);
+	vpm_capacity = get_vpm450m_capacity(&wc->dev->dev);
 	if (vpm_capacity != wc->numspans * 32) {
 		dev_info(&wc->dev->dev, "Disabling VPMOCT%03d. TE%dXXP"\
 				" requires a VPMOCT%03d", vpm_capacity,
@@ -4295,7 +4430,8 @@ static void t4_vpm_init(struct t4 *wc)
 		return;
 	}
 
-	if (!(wc->vpm = init_vpm450m(wc, laws, wc->numspans, firmware))) {
+	wc->vpm = init_vpm450m(&wc->dev->dev, laws, wc->numspans, firmware);
+	if (!wc->vpm) {
 		dev_notice(&wc->dev->dev, "VPM450: Failed to initialize\n");
 		if (firmware != &embedded_firmware)
 			release_firmware(firmware);
@@ -4617,12 +4753,6 @@ static int t8_update_firmware(struct t4 *wc, const struct firmware *fw,
 	const u32 BASE_ADDRESS = 0x00080000;
 	const u8 *data, *end;
 	size_t size = 0;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 10)
-	u32 *pci_state;
-	pci_state = kzalloc(64 * sizeof(u32), GFP_KERNEL);
-	if (!pci_state)
-		return -ENOMEM;
-#endif
 
 	/* Erase flash */
 	erase_half(wc);
@@ -4647,11 +4777,7 @@ static int t8_update_firmware(struct t4 *wc, const struct firmware *fw,
 
 	/* Reset te820 fpga after loading firmware */
 	dev_info(&wc->dev->dev, "Firmware load complete. Reseting device.\n");
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 10)
-	res = pci_save_state(wc->dev, pci_state);
-#else
 	res = pci_save_state(wc->dev);
-#endif
 	if (res)
 		goto error_exit;
 	/* Set the fpga reset bits and clobber the remainder of the
@@ -4659,11 +4785,7 @@ static int t8_update_firmware(struct t4 *wc, const struct firmware *fw,
 	t4_pci_out(wc, WC_LEDS, 0xe0000000);
 	msleep(1000);
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 10)
-	pci_restore_state(wc->dev, pci_state);
-#else
 	pci_restore_state(wc->dev);
-#endif
 
 	/* Signal the driver to restart initialization.
 	 * This will back out all initialization so far and
@@ -4671,9 +4793,6 @@ static int t8_update_firmware(struct t4 *wc, const struct firmware *fw,
 	return -EAGAIN;
 
 error_exit:
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 10)
-	kfree(pci_state);
-#endif
 	return res;
 }
 
@@ -4799,17 +4918,18 @@ cleanup:
 	return res;
 }
 
-static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
+static int
+__t4_hardware_init_1(struct t4 *wc, unsigned int cardflags, bool first_time)
 {
 	unsigned int version;
 	int res;
 
 	version = t4_pci_in(wc, WC_VERSION);
-	if (is_octal(wc)) {
+	if (is_octal(wc) && first_time) {
 		dev_info(&wc->dev->dev, "Firmware Version: %01x.%02x\n",
 			(version & 0xf00) >> 8,
 			version & 0xff);
-	} else {
+	} else if (first_time) {
 		dev_info(&wc->dev->dev, "Firmware Version: %08x\n", version);
 	}
 	if (debug) {
@@ -4857,30 +4977,33 @@ static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
 	t4_pci_out(wc, WC_INTR, 0x00000000);
 
 	/* Read T1/E1 status */
-	if (!strcasecmp("auto", default_linemode)) {
-		if (-1 == t1e1override) {
-			wc->t1e1 = (((t4_pci_in(wc, WC_LEDS)) & 0x0f00) >> 8);
-			wc->t1e1 &= 0xf;
-			if (is_octal(wc)) {
-				wc->t1e1 |= ((t4_pci_in(wc, WC_LEDS2)) &
-							0x0f00) >> 4;
+	if (first_time) {
+		if (!strcasecmp("auto", default_linemode)) {
+			if (-1 == t1e1override) {
+				wc->t1e1 = (((t4_pci_in(wc, WC_LEDS)) &
+							0x0f00) >> 8);
+				wc->t1e1 &= 0xf;
+				if (is_octal(wc)) {
+					wc->t1e1 |= ((t4_pci_in(wc, WC_LEDS2)) &
+								0x0f00) >> 4;
+				}
+			} else {
+				dev_warn(&wc->dev->dev,
+					 "'t1e1override' is deprecated. Please use 'default_linemode'.\n");
+				wc->t1e1 = t1e1override & 0xf;
 			}
+		} else if (!strcasecmp("t1", default_linemode)) {
+			wc->t1e1 = 0;
+		} else if (!strcasecmp("e1", default_linemode)) {
+			wc->t1e1 = 0xff;
+		} else if (!strcasecmp("j1", default_linemode)) {
+			wc->t1e1 = 0;
+			j1mode = 1;
 		} else {
-			dev_warn(&wc->dev->dev, "'t1e1override' is deprecated. "
-				 "Please use 'default_linemode'.\n");
-			wc->t1e1 = t1e1override & 0xf;
+			dev_err(&wc->dev->dev, "'%s' is an unknown linemode.\n",
+				default_linemode);
+			wc->t1e1 = 0;
 		}
-	} else if (!strcasecmp("t1", default_linemode)) {
-		wc->t1e1 = 0;
-	} else if (!strcasecmp("e1", default_linemode)) {
-		wc->t1e1 = 0xff;
-	} else if (!strcasecmp("j1", default_linemode)) {
-		wc->t1e1 = 0;
-		j1mode = 1;
-	} else {
-		dev_err(&wc->dev->dev, "'%s' is an unknown linemode.\n",
-			default_linemode);
-		wc->t1e1 = 0;
 	}
 
 	wc->order = ((t4_pci_in(wc, WC_LEDS)) & 0xf0000000) >> 28;
@@ -4909,7 +5032,12 @@ static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
 	return 0;
 }
 
-static int t4_hardware_init_2(struct t4 *wc)
+static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
+{
+	return __t4_hardware_init_1(wc, cardflags, true);
+}
+
+static int __t4_hardware_init_2(struct t4 *wc, bool first_time)
 {
 	int x;
 	unsigned int regval;
@@ -4941,13 +5069,14 @@ static int t4_hardware_init_2(struct t4 *wc)
 
 	if (!is_octal(wc)) {
 		regval = t4_framer_in(wc, 0, 0x4a);
-		if (regval == 0x05) {
+		if (first_time && regval == 0x05) {
 			dev_info(&wc->dev->dev, "FALC Framer Version: 2.1 or "
 				 "earlier\n");
 		} else if (regval == 0x20) {
-			dev_info(&wc->dev->dev, "FALC Framer Version: 3.1\n");
+			if (first_time)
+				dev_info(&wc->dev->dev, "FALC Framer Version: 3.1\n");
 			wc->falc31 = 1;
-		} else {
+		} else if (first_time) {
 			dev_info(&wc->dev->dev, "FALC Framer Version: Unknown "
 				 "(VSTR = 0x%02x)\n", regval);
 		}
@@ -4967,14 +5096,24 @@ static int t4_hardware_init_2(struct t4 *wc)
 					t4_pci_in(wc, x));
 		}
 	}
+
+	wc->gpio = 0x00000000;
+	t4_pci_out(wc, WC_GPIO, wc->gpio);
+	t4_gpio_setdir(wc, (1 << 17), (1 << 17));
+	t4_gpio_setdir(wc, (0xff), (0xff));
+
 	return 0;
 }
 
+static int t4_hardware_init_2(struct t4 *wc)
+{
+	return __t4_hardware_init_2(wc, true);
+}
+
 static int __devinit t4_launch(struct t4 *wc)
 {
 	int x;
 	int res;
-	unsigned long flags;
 
 	if (test_bit(DAHDI_FLAGBIT_REGISTERED, &wc->tspans[0]->span.flags))
 		return 0;
@@ -5006,17 +5145,14 @@ static int __devinit t4_launch(struct t4 *wc)
 			      &wc->ddev->spans);
 	}
 
+	tasklet_init(&wc->t4_tlet, t4_isr_bh, (unsigned long)wc);
+
 	res = dahdi_register_device(wc->ddev, &wc->dev->dev);
 	if (res) {
 		dev_err(&wc->dev->dev, "Failed to register with DAHDI.\n");
 		return res;
 	}
 
-	set_bit(T4_CHECK_TIMING, &wc->checkflag);
-	spin_lock_irqsave(&wc->reglock, flags);
-	__t4_set_sclk_src(wc, WC_SELF, 0, 0);
-	spin_unlock_irqrestore(&wc->reglock, flags);
-	tasklet_init(&wc->t4_tlet, t4_isr_bh, (unsigned long)wc);
 	return 0;
 }
 
@@ -5072,6 +5208,13 @@ t4_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	spin_lock_init(&wc->reglock);
 	wc->devtype = (const struct devtype *)(ent->driver_data);
 
+#ifdef CONFIG_WCT4XXP_DISABLE_ASPM
+	if (is_pcie(wc)) {
+		pci_disable_link_state(pdev->bus->self, PCIE_LINK_STATE_L0S |
+			PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+	};
+#endif
+
 	if (is_octal(wc))
 		wc->numspans = 8;
 	else if (wc->devtype->flags & FLAG_2PORT)
@@ -5188,22 +5331,23 @@ t4_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 #ifdef SUPPORT_GEN1
 	if (request_irq(pdev->irq, (wc->devtype->flags & FLAG_2NDGEN) ?
 					t4_interrupt_gen2 : t4_interrupt,
-			DAHDI_IRQ_SHARED_DISABLED,
+			DAHDI_IRQ_SHARED,
 			(wc->numspans == 8) ? "wct8xxp" :
 					      (wc->numspans == 2) ? "wct2xxp" :
 								    "wct4xxp",
-			wc))
+			wc)) {
 #else
-		if (!(wc->tspans[0]->spanflags & FLAG_2NDGEN)) {
-			dev_notice(&wc->dev->dev, "This driver does not "
-					"support 1st gen modules\n");
-			free_wc(wc);
-			return -ENODEV;
-		}	
-	if (request_irq(pdev->irq, t4_interrupt_gen2, DAHDI_IRQ_SHARED_DISABLED, "t4xxp", wc)) 
+	if (!(wc->tspans[0]->spanflags & FLAG_2NDGEN)) {
+		dev_notice(&wc->dev->dev, "This driver does not "
+				"support 1st gen modules\n");
+		free_wc(wc);
+		return -ENODEV;
+	}
+
+	if (request_irq(pdev->irq, t4_interrupt_gen2,
+			DAHDI_IRQ_SHARED, "t4xxp", wc)) {
 #endif
-	{
-		dev_notice(&wc->dev->dev, "t4xxp: Unable to request IRQ %d\n",
+		dev_notice(&wc->dev->dev, "Unable to request IRQ %d\n",
 				pdev->irq);
 		free_wc(wc);
 		return -EIO;
@@ -5222,10 +5366,6 @@ t4_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		dev_info(&wc->dev->dev,
 			 "Found a Wildcard: %s\n", wc->devtype->desc);
 	}
-	wc->gpio = 0x00000000;
-	t4_pci_out(wc, WC_GPIO, wc->gpio);
-	t4_gpio_setdir(wc, (1 << 17), (1 << 17));
-	t4_gpio_setdir(wc, (0xff), (0xff));
 
 #ifdef VPM_SUPPORT
 	if (!wc->vpm) {
@@ -5383,13 +5523,11 @@ static DEFINE_PCI_DEVICE_TABLE(t4_pci_tbl) =
 	{ 0, }
 };
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 static void _t4_shutdown(struct pci_dev *pdev)
 {
 	struct t4 *wc = pci_get_drvdata(pdev);
 	t4_hardware_stop(wc);
 }
-#endif
 
 static int t4_suspend(struct pci_dev *pdev, pm_message_t state)
 {
@@ -5400,9 +5538,7 @@ static struct pci_driver t4_driver = {
 	.name = "wct4xxp",
 	.probe = t4_init_one_retry,
 	.remove = __devexit_p(t4_remove_one),
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 	.shutdown = _t4_shutdown,
-#endif
 	.suspend = t4_suspend,
 	.id_table = t4_pci_tbl,
 };

drivers/dahdi/wct4xxp/vpm450m.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2006 Digium, Inc.
+ * Copyright (C) 2005-2012 Digium, Inc.
  *
  * Mark Spencer <markster@digium.com>
  *
@@ -19,110 +19,74 @@
  * this program for more details.
  */
 
+#define pr_fmt(fmt)             KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/string.h>
 #include <linux/time.h>
 #include <linux/version.h>
 
+#include <dahdi/kernel.h>
+#include <stdbool.h>
+
 #include "vpm450m.h"
-#include "oct6100api/oct6100_api.h"
+#include <oct612x.h>
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
-#include <linux/config.h>
-#endif
-
-/* API for Octasic access */
-UINT32 Oct6100UserGetTime(tPOCT6100_GET_TIME f_pTime)
+static int wct4xxp_oct612x_write(struct oct612x_context *context,
+				 u32 address, u16 value)
 {
-	/* Why couldn't they just take a timeval like everyone else? */
-	struct timeval tv;
-	unsigned long long total_usecs;
-	unsigned int mask = ~0;
-	
-	do_gettimeofday(&tv);
-	total_usecs = (((unsigned long long)(tv.tv_sec)) * 1000000) + 
-				  (((unsigned long long)(tv.tv_usec)));
-	f_pTime->aulWallTimeUs[0] = (total_usecs & mask);
-	f_pTime->aulWallTimeUs[1] = (total_usecs >> 32);
-	return cOCT6100_ERR_OK;
+	struct t4 *wc = dev_get_drvdata(context->dev);
+	oct_set_reg(wc, address, value);
+	return 0;
 }
 
-UINT32 Oct6100UserMemSet(PVOID f_pAddress, UINT32 f_ulPattern, UINT32 f_ulLength)
+static int wct4xxp_oct612x_read(struct oct612x_context *context, u32 address,
+				u16 *value)
 {
-	memset(f_pAddress, f_ulPattern, f_ulLength);
-	return cOCT6100_ERR_OK;
+	struct t4 *wc = dev_get_drvdata(context->dev);
+	*value = (u16)oct_get_reg(wc, address);
+	return 0;
 }
 
-UINT32 Oct6100UserMemCopy(PVOID f_pDestination, const void *f_pSource, UINT32 f_ulLength)
+static int wct4xxp_oct612x_write_smear(struct oct612x_context *context,
+				       u32 address, u16 value, size_t count)
 {
-	memcpy(f_pDestination, f_pSource, f_ulLength);
-	return cOCT6100_ERR_OK;
+	struct t4 *wc = dev_get_drvdata(context->dev);
+	int i;
+	for (i = 0; i < count; ++i)
+		oct_set_reg(wc, address + (i << 1), value);
+	return 0;
 }
 
-UINT32 Oct6100UserCreateSerializeObject(tPOCT6100_CREATE_SERIALIZE_OBJECT f_pCreate)
+static int wct4xxp_oct612x_write_burst(struct oct612x_context *context,
+				       u32 address, const u16 *buffer,
+				       size_t count)
 {
-	return cOCT6100_ERR_OK;
+	struct t4 *wc = dev_get_drvdata(context->dev);
+	int i;
+	for (i = 0; i < count; ++i)
+		oct_set_reg(wc, address + (i << 1), buffer[i]);
+	return 0;
 }
 
-UINT32 Oct6100UserDestroySerializeObject(tPOCT6100_DESTROY_SERIALIZE_OBJECT f_pDestroy)
+static int wct4xxp_oct612x_read_burst(struct oct612x_context *context,
+				      u32 address, u16 *buffer, size_t count)
 {
-#ifdef OCTASIC_DEBUG
-	printk(KERN_DEBUG "I should never be called! (destroy serialize object)\n");
-#endif
-	return cOCT6100_ERR_OK;
+	struct t4 *wc = dev_get_drvdata(context->dev);
+	int i;
+	for (i = 0; i < count; ++i)
+		buffer[i] = oct_get_reg(wc, address + (i << 1));
+	return 0;
 }
 
-UINT32 Oct6100UserSeizeSerializeObject(tPOCT6100_SEIZE_SERIALIZE_OBJECT f_pSeize)
-{
-	/* Not needed */
-	return cOCT6100_ERR_OK;
-}
-
-UINT32 Oct6100UserReleaseSerializeObject(tPOCT6100_RELEASE_SERIALIZE_OBJECT f_pRelease)
-{
-	/* Not needed */
-	return cOCT6100_ERR_OK;
-}
-
-UINT32 Oct6100UserDriverWriteApi(tPOCT6100_WRITE_PARAMS f_pWriteParams)
-{
-	oct_set_reg(f_pWriteParams->pProcessContext, f_pWriteParams->ulWriteAddress, f_pWriteParams->usWriteData);
-	return cOCT6100_ERR_OK;
-}
-
-UINT32 Oct6100UserDriverWriteSmearApi(tPOCT6100_WRITE_SMEAR_PARAMS f_pSmearParams)
-{
-	unsigned int x;
-	for (x=0;x<f_pSmearParams->ulWriteLength;x++) {
-		oct_set_reg(f_pSmearParams->pProcessContext, f_pSmearParams->ulWriteAddress + (x << 1), f_pSmearParams->usWriteData);
-	}
-	return cOCT6100_ERR_OK;
-}
-
-UINT32 Oct6100UserDriverWriteBurstApi(tPOCT6100_WRITE_BURST_PARAMS f_pBurstParams)
-{
-	unsigned int x;
-	for (x=0;x<f_pBurstParams->ulWriteLength;x++) {
-		oct_set_reg(f_pBurstParams->pProcessContext, f_pBurstParams->ulWriteAddress + (x << 1), f_pBurstParams->pusWriteData[x]);
-	}
-	return cOCT6100_ERR_OK;
-}
-
-UINT32 Oct6100UserDriverReadApi(tPOCT6100_READ_PARAMS f_pReadParams)
-{
-	*(f_pReadParams->pusReadData) = oct_get_reg(f_pReadParams->pProcessContext, f_pReadParams->ulReadAddress);
-	return cOCT6100_ERR_OK;
-}
-
-UINT32 Oct6100UserDriverReadBurstApi(tPOCT6100_READ_BURST_PARAMS f_pBurstParams)
-{
-	unsigned int x;
-	for (x=0;x<f_pBurstParams->ulReadLength;x++) {
-		f_pBurstParams->pusReadData[x] = oct_get_reg(f_pBurstParams->pProcessContext, f_pBurstParams->ulReadAddress + (x << 1));
-	}
-	return cOCT6100_ERR_OK;
-}
+static const struct oct612x_ops wct4xxp_oct612x_ops = {
+	.write = wct4xxp_oct612x_write,
+	.read = wct4xxp_oct612x_read,
+	.write_smear = wct4xxp_oct612x_write_smear,
+	.write_burst = wct4xxp_oct612x_write_burst,
+	.read_burst = wct4xxp_oct612x_read_burst,
+};
 
 #define SOUT_G168_1100GB_ON 0x40000004
 #define SOUT_DTMF_1 0x40000011
@@ -172,6 +136,7 @@ UINT32 Oct6100UserDriverReadBurstApi(tPOCT6100_READ_BURST_PARAMS f_pBurstParams)
 
 struct vpm450m {
 	tPOCT6100_INSTANCE_API pApiInstance;
+	struct oct612x_context context;
 	UINT32 aulEchoChanHndl[256];
 	int chanflags[256];
 	int ecmode[256];
@@ -181,6 +146,7 @@ struct vpm450m {
 #define FLAG_DTMF	 (1 << 0)
 #define FLAG_MUTE	 (1 << 1)
 #define FLAG_ECHO	 (1 << 2)
+#define FLAG_ALAW	 (1 << 3)
 
 static unsigned int tones[] = {
 	SOUT_DTMF_1,
@@ -220,6 +186,52 @@ static unsigned int tones[] = {
 	ROUT_G168_1100GB_ON,
 };
 
+void vpm450m_set_alaw_companding(struct vpm450m *vpm450m, int channel,
+					bool alaw)
+{
+	tOCT6100_CHANNEL_MODIFY *modify;
+	UINT32 ulResult;
+	UINT32		law_to_use = (alaw) ? cOCT6100_PCM_A_LAW :
+					      cOCT6100_PCM_U_LAW;
+
+	if (channel >= ARRAY_SIZE(vpm450m->chanflags)) {
+		pr_err("Channel out of bounds in %s\n", __func__);
+		return;
+	}
+	/* If we're already in this companding mode, no need to do anything. */
+	if (alaw == ((vpm450m->chanflags[channel] & FLAG_ALAW) > 0))
+		return;
+
+	modify = kzalloc(sizeof(tOCT6100_CHANNEL_MODIFY), GFP_ATOMIC);
+	if (!modify) {
+		pr_notice("Unable to allocate memory for setec!\n");
+		return;
+	}
+
+	Oct6100ChannelModifyDef(modify);
+	modify->ulChannelHndl =		      vpm450m->aulEchoChanHndl[channel];
+	modify->fTdmConfigModified =		TRUE;
+	modify->TdmConfig.ulSinPcmLaw =		law_to_use;
+	modify->TdmConfig.ulRinPcmLaw =		law_to_use;
+	modify->TdmConfig.ulSoutPcmLaw =	law_to_use;
+	modify->TdmConfig.ulRoutPcmLaw =	law_to_use;
+	ulResult = Oct6100ChannelModify(vpm450m->pApiInstance, modify);
+	if (ulResult != GENERIC_OK) {
+		pr_notice("Failed to apply echo can changes on channel %d %d %08x!\n",
+			  vpm450m->aulEchoChanHndl[channel], channel, ulResult);
+	} else {
+		if (debug) {
+			pr_info("Changed companding on channel %d to %s.\n",
+				channel, (alaw) ? "alaw" : "ulaw");
+		}
+		if (alaw)
+			vpm450m->chanflags[channel] |= FLAG_ALAW;
+		else
+			vpm450m->chanflags[channel] &= ~(FLAG_ALAW);
+	}
+	kfree(modify);
+}
+
 static void vpm450m_setecmode(struct vpm450m *vpm450m, int channel, int mode)
 {
 	tOCT6100_CHANNEL_MODIFY *modify;
@@ -252,6 +264,11 @@ void vpm450m_setdtmf(struct vpm450m *vpm450m, int channel, int detect, int mute)
 	tOCT6100_CHANNEL_MODIFY *modify;
 	UINT32 ulResult;
 
+	if (channel >= ARRAY_SIZE(vpm450m->chanflags)) {
+		pr_err("Channel out of bounds in %s\n", __func__);
+		return;
+	}
+
 	modify = kmalloc(sizeof(tOCT6100_CHANNEL_MODIFY), GFP_KERNEL);
 	if (!modify) {
 		printk(KERN_NOTICE "wct4xxp: Unable to allocate memory for setdtmf!\n");
@@ -290,6 +307,11 @@ void vpm450m_setdtmf(struct vpm450m *vpm450m, int channel, int detect, int mute)
 
 void vpm450m_setec(struct vpm450m *vpm450m, int channel, int eclen)
 {
+	if (channel >= ARRAY_SIZE(vpm450m->chanflags)) {
+		pr_err("Channel out of bounds in %s\n", __func__);
+		return;
+	}
+
 	if (eclen) {
 		vpm450m->chanflags[channel] |= FLAG_ECHO;
 		vpm450m_setecmode(vpm450m, channel, cOCT6100_ECHO_OP_MODE_HT_RESET);
@@ -395,14 +417,18 @@ int vpm450m_getdtmf(struct vpm450m *vpm450m, int *channel, int *tone, int *start
 	return 0;
 }
 
-unsigned int get_vpm450m_capacity(void *wc)
+unsigned int get_vpm450m_capacity(struct device *device)
 {
+	struct oct612x_context context;
 	UINT32 ulResult;
 
 	tOCT6100_API_GET_CAPACITY_PINS CapacityPins;
 
+	context.dev = device;
+	context.ops = &wct4xxp_oct612x_ops;
+
 	Oct6100ApiGetCapacityPinsDef(&CapacityPins);
-	CapacityPins.pProcessContext = wc;
+	CapacityPins.pProcessContext = &context;
 	CapacityPins.ulMemoryType = cOCT6100_MEM_TYPE_DDR;
 	CapacityPins.fEnableMemClkOut = TRUE;
 	CapacityPins.ulMemClkFreq = cOCT6100_MCLK_FREQ_133_MHZ;
@@ -416,12 +442,14 @@ unsigned int get_vpm450m_capacity(void *wc)
 	return CapacityPins.ulCapacityValue;
 }
 
-struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct firmware *firmware)
+struct vpm450m *init_vpm450m(struct device *device, int *isalaw,
+			     int numspans, const struct firmware *firmware)
 {
 	tOCT6100_CHIP_OPEN *ChipOpen;
 	tOCT6100_GET_INSTANCE_SIZE InstanceSize;
 	tOCT6100_CHANNEL_OPEN *ChannelOpen;
 	UINT32 ulResult;
+	const unsigned int mask = (8 == numspans) ? 0x7 : 0x3;
 	unsigned int sout_stream, rout_stream;
 	struct vpm450m *vpm450m;
 	int x,y,law;
@@ -430,6 +458,8 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 		return NULL;
 
 	memset(vpm450m, 0, sizeof(struct vpm450m));
+	vpm450m->context.dev = device;
+	vpm450m->context.ops = &wct4xxp_oct612x_ops;
 
 	if (!(ChipOpen = kmalloc(sizeof(tOCT6100_CHIP_OPEN), GFP_KERNEL))) {
 		kfree(vpm450m);
@@ -458,7 +488,7 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 	ChipOpen->ulUpclkFreq = cOCT6100_UPCLK_FREQ_33_33_MHZ;
 	Oct6100GetInstanceSizeDef(&InstanceSize);
 
-	ChipOpen->pProcessContext = wc;
+	ChipOpen->pProcessContext = &vpm450m->context;
 
 	ChipOpen->pbyImageFile = firmware->data;
 	ChipOpen->ulImageSize = firmware->size;
@@ -527,10 +557,13 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 		 	*  therefore, the lower 2 bits tell us which span this 
 			*  timeslot/channel
 		 	*/
-			if (isalaw[x & 0x07])
+			if (isalaw[x & mask]) {
 				law = cOCT6100_PCM_A_LAW;
-			else
+				vpm450m->chanflags[x] |= FLAG_ALAW;
+			} else {
 				law = cOCT6100_PCM_U_LAW;
+				vpm450m->chanflags[x] &= ~(FLAG_ALAW);
+			}
 			Oct6100ChannelOpenDef(ChannelOpen);
 			ChannelOpen->pulChannelHndl = &vpm450m->aulEchoChanHndl[x];
 			ChannelOpen->ulUserChanId = x;

drivers/dahdi/wct4xxp/vpm450m.h

@@ -25,6 +25,7 @@
 
 #include <linux/firmware.h>
 
+struct t4;
 struct vpm450m;
 
 /* From driver */
@@ -32,12 +33,17 @@ unsigned int oct_get_reg(void *data, unsigned int reg);
 void oct_set_reg(void *data, unsigned int reg, unsigned int val);
 
 /* From vpm450m */
-struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct firmware *firmware);
-unsigned int get_vpm450m_capacity(void *wc);
+struct vpm450m *init_vpm450m(struct device *device, int *isalaw,
+			     int numspans, const struct firmware *firmware);
+unsigned int get_vpm450m_capacity(struct device *device);
 void vpm450m_setec(struct vpm450m *instance, int channel, int eclen);
 void vpm450m_setdtmf(struct vpm450m *instance, int channel, int dtmfdetect, int dtmfmute);
 int vpm450m_checkirq(struct vpm450m *vpm450m);
 int vpm450m_getdtmf(struct vpm450m *vpm450m, int *channel, int *tone, int *start);
 void release_vpm450m(struct vpm450m *instance);
+void vpm450m_set_alaw_companding(struct vpm450m *vpm450m,
+				 int channel, bool alaw);
+
+extern int debug;
 
 #endif

drivers/dahdi/wctc4xxp/Makefile

@@ -1,7 +0,0 @@
-ifdef KBUILD_EXTMOD
-# We only get here on kernels 2.6.0-2.6.9 .
-# For newer kernels, Kbuild will be included directly by the kernel
-# build system.
-include $(src)/Kbuild
-else
-endif

drivers/dahdi/wctc4xxp/base.c

@@ -1,6 +1,6 @@
 /* Wildcard TC400B Driver
  *
- * Copyright (C) 2006-2010, Digium, Inc.
+ * Copyright (C) 2006-2012, Digium, Inc.
  *
  * All rights reserved.
  *
@@ -42,11 +42,7 @@
 
 #include "dahdi/kernel.h"
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
-#include <asm/io.h>
-#else
 #include <linux/io.h>
-#endif
 
 /* COMPILE TIME OPTIONS =================================================== */
 
@@ -73,13 +69,6 @@
 		dev_info(&(wc)->pdev->dev, _fmt, ## _args);		\
 	}								\
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 14)
-/* also added in RHEL kernels with the OpenInfiniband backport: */
-#if LINUX_VERSION_CODE != KERNEL_VERSION(2, 6, 9) || !defined(DEFINE_SPINLOCK)
-typedef	unsigned gfp_t;		/* Added in 2.6.14 */
-#endif
-#endif
-
 
 /* define CONFIG_WCTC4XXP_POLLING to operate in a pure polling mode.  This is
  * was placed in as a debugging tool for a particluar system that wasn't
@@ -877,6 +866,7 @@ wctc4xxp_initialize_descriptor_ring(struct pci_dev *pdev,
 	memset(dr->desc, 0, (sizeof(*d) + dr->padding) * DRING_SIZE);
 	for (i = 0; i < DRING_SIZE; ++i) {
 		d = wctc4xxp_descriptor(dr, i);
+		memset(d, 0, sizeof(*d));
 		d->des1 = cpu_to_le32(des1);
 	}
 

drivers/dahdi/wctdm24xxp/Makefile

@@ -1,6 +0,0 @@
-ifdef KBUILD_EXTMOD
-# We only get here on kernels 2.6.0-2.6.9 .
-# For newer kernels, Kbuild will be included directly by the kernel
-# build system.
-include $(src)/Kbuild
-endif

drivers/dahdi/wctdm24xxp/base.c

@@ -7,7 +7,7 @@
  * Support for Hx8 by Andrew Kohlsmith <akohlsmith@mixdown.ca> and Matthew
  * Fredrickson <creslin@digium.com>
  *
- * Copyright (C) 2005 - 2011 Digium, Inc.
+ * Copyright (C) 2005 - 2012 Digium, Inc.
  * All rights reserved.
  *
  * Sections for QRV cards written by Jim Dixon <jim@lambdatel.com>
@@ -191,6 +191,11 @@ static const struct wctdm_desc wcaex410 = { "Wildcard AEX410", FLAG_EXPRESS, 4 }
 static const struct wctdm_desc wcha80000 = { "HA8-0000", 0, 8 };
 static const struct wctdm_desc wchb80000 = { "HB8-0000", FLAG_EXPRESS, 8 };
 
+static inline bool is_pcie(const struct wctdm *wc)
+{
+	return (wc->desc->flags & FLAG_EXPRESS) > 0;
+}
+
 /**
  * Returns true if the card is one of the Hybrid Digital Analog Cards.
  */
@@ -1068,9 +1073,22 @@ wctdm_isr_getreg(struct wctdm *wc, struct wctdm_module *const mod, u8 address)
 	list_add(&cmd->node, &mod->pending_cmds);
 }
 
+/* Must be called with wc.reglock held and local interrupts disabled */
 static inline void
-wctdm_setreg_intr(struct wctdm *wc, struct wctdm_module *mod,
-		  int addr, int val);
+wctdm_setreg_intr(struct wctdm *wc, struct wctdm_module *mod, int addr, int val)
+{
+	struct wctdm_cmd *cmd;
+
+	cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
+	if (unlikely(!cmd))
+		return;
+
+	cmd->complete = NULL;
+	cmd->cmd = CMD_WR(addr, val);
+
+	list_add_tail(&cmd->node, &mod->pending_cmds);
+}
+
 
 static void cmd_checkisr(struct wctdm *wc, struct wctdm_module *const mod)
 {
@@ -1215,22 +1233,6 @@ static inline void wctdm_transmitprep(struct wctdm *wc, unsigned char *sframe)
 	spin_unlock(&wc->reglock);
 }
 
-/* Must be called with wc.reglock held and local interrupts disabled */
-static inline void
-wctdm_setreg_intr(struct wctdm *wc, struct wctdm_module *mod, int addr, int val)
-{
-	struct wctdm_cmd *cmd;
-
-	cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
-	if (unlikely(!cmd))
-		return;
-
-	cmd->complete = NULL;
-	cmd->cmd = CMD_WR(addr, val);
-
-	list_add_tail(&cmd->node, &mod->pending_cmds);
-}
-
 int wctdm_setreg(struct wctdm *wc, struct wctdm_module *mod, int addr, int val)
 {
 	struct wctdm_cmd *cmd;
@@ -1831,19 +1833,22 @@ static void wctdm_qrvdri_check_hook(struct wctdm *wc, int card)
 static inline bool is_fxo_ringing(const struct fxo *const fxo)
 {
 	return ((fxo->hook_ring_shadow & 0x60) &&
-		(fxo->battery_state == BATTERY_PRESENT));
+		((fxo->battery_state == BATTERY_PRESENT) ||
+		 (fxo->battery_state == BATTERY_DEBOUNCING_LOST)));
 }
 
 static inline bool is_fxo_ringing_positive(const struct fxo *const fxo)
 {
 	return (((fxo->hook_ring_shadow & 0x60) == 0x20) &&
-		(fxo->battery_state == BATTERY_PRESENT));
+		((fxo->battery_state == BATTERY_PRESENT) ||
+		 (fxo->battery_state == BATTERY_DEBOUNCING_LOST)));
 }
 
 static inline bool is_fxo_ringing_negative(const struct fxo *const fxo)
 {
 	return (((fxo->hook_ring_shadow & 0x60) == 0x40) &&
-		(fxo->battery_state == BATTERY_PRESENT));
+		((fxo->battery_state == BATTERY_PRESENT) ||
+		 (fxo->battery_state == BATTERY_DEBOUNCING_LOST)));
 }
 
 static inline void set_ring(struct fxo *fxo, enum ring_detector_state new)
@@ -1854,19 +1859,21 @@ static inline void set_ring(struct fxo *fxo, enum ring_detector_state new)
 static void wctdm_fxo_ring_detect(struct wctdm *wc, struct wctdm_module *mod)
 {
 	struct fxo *const fxo = &mod->mod.fxo;
+	static const unsigned int POLARITY_CHANGES_NEEDED = 2;
 
 	/* Look for ring status bits (Ring Detect Signal Negative and Ring
-	 * Detect Signal Positive) to transition back and forth some number of
-	 * times to indicate that a ring is occurring.  Provide some number of
-	 * samples to allow for the transitions to occur before giving up.
-	 * NOTE: neon mwi voltages will trigger one of these bits to go active
-	 * but not to have transitions between the two bits (i.e. no negative
-	 * to positive or positive to negative traversals) */
+	 * Detect Signal Positive) to transition back and forth
+	 * POLARITY_CHANGES_NEEDED times to indicate that a ring is occurring.
+	 * Provide some number of samples to allow for the transitions to occur
+	 * before giving up.  NOTE: neon mwi voltages will trigger one of these
+	 * bits to go active but not to have transitions between the two bits
+	 * (i.e. no negative to positive or positive to negative traversals) */
 
 	switch (fxo->ring_state) {
 	case DEBOUNCING_RINGING_POSITIVE:
 		if (is_fxo_ringing_negative(fxo)) {
-			if (++fxo->ring_polarity_change_count > 4) {
+			if (++fxo->ring_polarity_change_count >
+						POLARITY_CHANGES_NEEDED) {
 				mod_hooksig(wc, mod, DAHDI_RXSIG_RING);
 				set_ring(fxo, RINGING);
 				if (debug) {
@@ -1884,7 +1891,8 @@ static void wctdm_fxo_ring_detect(struct wctdm *wc, struct wctdm_module *mod)
 		break;
 	case DEBOUNCING_RINGING_NEGATIVE:
 		if (is_fxo_ringing_positive(fxo)) {
-			if (++fxo->ring_polarity_change_count > 4) {
+			if (++fxo->ring_polarity_change_count >
+						POLARITY_CHANGES_NEEDED) {
 				mod_hooksig(wc, mod, DAHDI_RXSIG_RING);
 				set_ring(fxo, RINGING);
 				if (debug) {
@@ -1904,7 +1912,7 @@ static void wctdm_fxo_ring_detect(struct wctdm *wc, struct wctdm_module *mod)
 		if (!is_fxo_ringing(fxo)) {
 			set_ring(fxo, DEBOUNCING_RINGOFF);
 			fxo->ringdebounce_timer =
-					wc->framecount + ringdebounce / 2;
+					wc->framecount + ringdebounce / 8;
 		}
 		break;
 	case DEBOUNCING_RINGOFF:
@@ -1953,19 +1961,26 @@ wctdm_check_battery_lost(struct wctdm *wc, struct wctdm_module *const mod)
 	   battery present or unknown, debounce timer (going to battery lost)
 	*/
 	switch (fxo->battery_state) {
+	case BATTERY_DEBOUNCING_PRESENT_ALARM:
+		fxo->battery_state = BATTERY_DEBOUNCING_LOST_FROM_PRESENT_ALARM;
+		fxo->battdebounce_timer = wc->framecount + battdebounce;
+		break;
 	case BATTERY_DEBOUNCING_PRESENT:
-		/* we were going to BATTERY_PRESENT, but
-		 * battery was lost again. */
 		fxo->battery_state = BATTERY_LOST;
 		break;
+	case BATTERY_DEBOUNCING_PRESENT_FROM_LOST_ALARM:
+		fxo->battery_state = BATTERY_DEBOUNCING_LOST_ALARM;
+		fxo->battdebounce_timer = wc->framecount +
+						battalarm - battdebounce;
+		break;
 	case BATTERY_UNKNOWN:
 		mod_hooksig(wc, mod, DAHDI_RXSIG_ONHOOK);
-	case BATTERY_DEBOUNCING_PRESENT_ALARM: /* intentional drop through */
 	case BATTERY_PRESENT:
 		fxo->battery_state = BATTERY_DEBOUNCING_LOST;
 		fxo->battdebounce_timer = wc->framecount + battdebounce;
 		break;
-	case BATTERY_DEBOUNCING_LOST:
+	case BATTERY_DEBOUNCING_LOST_FROM_PRESENT_ALARM:
+	case BATTERY_DEBOUNCING_LOST: /* Intentional drop through */
 		if (time_after(wc->framecount, fxo->battdebounce_timer)) {
 			if (debug) {
 				dev_info(&wc->vb.pdev->dev,
@@ -2014,8 +2029,9 @@ wctdm_check_battery_present(struct wctdm *wc, struct wctdm_module *const mod)
 	struct fxo *const fxo = &mod->mod.fxo;
 
 	switch (fxo->battery_state) {
-	case BATTERY_DEBOUNCING_PRESENT:
-		if (time_after(jiffies, fxo->battdebounce_timer)) {
+	case BATTERY_DEBOUNCING_PRESENT_FROM_LOST_ALARM:
+	case BATTERY_DEBOUNCING_PRESENT: /* intentional drop through */
+		if (time_after(wc->framecount, fxo->battdebounce_timer)) {
 			if (debug) {
 				dev_info(&wc->vb.pdev->dev,
 					 "BATTERY on %d/%d (%s)!\n",
@@ -2040,12 +2056,12 @@ wctdm_check_battery_present(struct wctdm *wc, struct wctdm_module *const mod)
 			 * of its time period has already passed while
 			 * debouncing occurred */
 			fxo->battery_state = BATTERY_DEBOUNCING_PRESENT_ALARM;
-			fxo->battdebounce_timer = jiffies +
-				msecs_to_jiffies(battalarm - battdebounce);
+			fxo->battdebounce_timer = wc->framecount +
+						   battalarm - battdebounce;
 		}
 		break;
 	case BATTERY_DEBOUNCING_PRESENT_ALARM:
-		if (time_after(jiffies, fxo->battdebounce_timer)) {
+		if (time_after(wc->framecount, fxo->battdebounce_timer)) {
 			fxo->battery_state = BATTERY_PRESENT;
 			dahdi_alarm_channel(get_dahdi_chan(wc, mod),
 					    DAHDI_ALARM_NONE);
@@ -2053,18 +2069,23 @@ wctdm_check_battery_present(struct wctdm *wc, struct wctdm_module *const mod)
 		break;
 	case BATTERY_PRESENT:
 		break;
+	case BATTERY_DEBOUNCING_LOST_ALARM:
+		fxo->battery_state = BATTERY_DEBOUNCING_PRESENT_FROM_LOST_ALARM;
+		fxo->battdebounce_timer = wc->framecount + battdebounce;
+		break;
+	case BATTERY_DEBOUNCING_LOST_FROM_PRESENT_ALARM:
+		fxo->battery_state = BATTERY_DEBOUNCING_PRESENT_ALARM;
+		fxo->battdebounce_timer = wc->framecount +
+						battalarm - battdebounce;
+		break;
 	case BATTERY_DEBOUNCING_LOST:
-		/* we were going to BATTERY_LOST, but battery appeared again,
-		 * so clear the debounce timer */
 		fxo->battery_state = BATTERY_PRESENT;
 		break;
 	case BATTERY_UNKNOWN:
 		mod_hooksig(wc, mod, DAHDI_RXSIG_OFFHOOK);
 	case BATTERY_LOST: /* intentional drop through */
-	case BATTERY_DEBOUNCING_LOST_ALARM:
 		fxo->battery_state = BATTERY_DEBOUNCING_PRESENT;
-		fxo->battdebounce_timer = jiffies +
-						msecs_to_jiffies(battdebounce);
+		fxo->battdebounce_timer = wc->framecount + battdebounce;
 		break;
 	}
 }
@@ -3079,6 +3100,8 @@ wctdm_init_voicedaa(struct wctdm *wc, struct wctdm_module *mod,
 	spin_unlock_irqrestore(&wc->reglock, flags);
 	msleep(20);
 
+	memset(&mod->mod.fxo, 0, sizeof(mod->mod.fxo));
+
 	if (!sane && wctdm_voicedaa_insane(wc, mod))
 		return -2;
 
@@ -3223,8 +3246,7 @@ wctdm_init_proslic(struct wctdm *wc, struct wctdm_module *const mod,
 		return -2;
 
 	/* Initialize VMWI settings */
-	memset(&(fxs->vmwisetting), 0, sizeof(fxs->vmwisetting));
-	fxs->vmwi_linereverse = 0;
+	memset(fxs, 0, sizeof(*fxs));
 
 	/* By default, don't send on hook */
 	if (!reversepolarity != !fxs->reversepolarity)
@@ -3727,14 +3749,15 @@ static int wctdm_ioctl(struct dahdi_chan *chan, unsigned int cmd, unsigned long
 
 		if (((fxs->lasttxhook & SLIC_LF_SETMASK) == SLIC_LF_ACTIVE_FWD) ||
 		    ((fxs->lasttxhook & SLIC_LF_SETMASK) == SLIC_LF_ACTIVE_REV)) {
+			int res;
 
-			x = set_lasttxhook_interruptible(wc, fxs,
+			res = set_lasttxhook_interruptible(wc, fxs,
 				(POLARITY_XOR(fxs) ?
 				SLIC_LF_OHTRAN_REV : SLIC_LF_OHTRAN_FWD),
 				&mod->sethook);
 
 			if (debug & DEBUG_CARD) {
-				if (x) {
+				if (res) {
 					dev_info(&wc->vb.pdev->dev,
 						 "Channel %d TIMEOUT: "
 						 "OnHookTransfer start\n",
@@ -4362,32 +4385,6 @@ wctdm_chanconfig(struct file *file, struct dahdi_chan *chan, int sigtype)
 	return wctdm_wait_for_ready(wc);
 }
 
-/*
- * wctdm24xxp_assigned - Called when span is assigned.
- * @span:	The span that is now assigned.
- *
- * This function is called by the core of DAHDI after the span number and
- * channel numbers have been assigned.
- *
- */
-static void wctdm24xxp_assigned(struct dahdi_span *span)
-{
-	struct dahdi_span *s;
-	struct dahdi_device *ddev = span->parent;
-	struct wctdm *wc = NULL;
-
-	list_for_each_entry(s, &ddev->spans, device_node) {
-		wc = (container_of(s, struct wctdm_span, span))->wc;
-		if (!test_bit(DAHDI_FLAGBIT_REGISTERED, &s->flags))
-			return;
-	}
-
-	if (wc) {
-		WARN_ON(0 == wc->not_ready);
-		--wc->not_ready;
-	}
-}
-
 static const struct dahdi_span_ops wctdm24xxp_analog_span_ops = {
 	.owner = THIS_MODULE,
 	.hooksig = wctdm_hooksig,
@@ -4397,7 +4394,6 @@ static const struct dahdi_span_ops wctdm24xxp_analog_span_ops = {
 	.watchdog = wctdm_watchdog,
 	.chanconfig = wctdm_chanconfig,
 	.dacs = wctdm_dacs,
-	.assigned = wctdm24xxp_assigned,
 #ifdef VPM_SUPPORT
 	.enable_hw_preechocan = wctdm_enable_hw_preechocan,
 	.disable_hw_preechocan = wctdm_disable_hw_preechocan,
@@ -4416,7 +4412,6 @@ static const struct dahdi_span_ops wctdm24xxp_digital_span_ops = {
 	.spanconfig = b400m_spanconfig,
 	.chanconfig = b400m_chanconfig,
 	.dacs = wctdm_dacs,
-	.assigned = wctdm24xxp_assigned,
 #ifdef VPM_SUPPORT
 	.enable_hw_preechocan = wctdm_enable_hw_preechocan,
 	.disable_hw_preechocan = wctdm_disable_hw_preechocan,
@@ -4517,10 +4512,11 @@ wctdm_init_span(struct wctdm *wc, int spanno, int chanoffset, int chancount,
 		s->span.linecompat = DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS | DAHDI_CONFIG_D4;
 		s->span.linecompat |= DAHDI_CONFIG_ESF | DAHDI_CONFIG_HDB3 | DAHDI_CONFIG_CCS | DAHDI_CONFIG_CRC4;
 		s->span.linecompat |= DAHDI_CONFIG_NTTE | DAHDI_CONFIG_TERM;
-		s->span.spantype = "TE";
+		s->span.spantype = SPANTYPE_DIGITAL_BRI_TE;
 	} else {
 		s->span.ops = &wctdm24xxp_analog_span_ops;
 		s->span.flags = DAHDI_FLAG_RBS;
+		s->span.spantype = SPANTYPE_ANALOG_MIXED;
 		/* analog sigcap handled in fixup_analog_span() */
 	}
 
@@ -5678,6 +5674,13 @@ __wctdm_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	wc->vb.pdev = pdev;
 	wc->vb.debug = &debug;
 
+#ifdef CONFIG_VOICEBUS_DISABLE_ASPM
+	if (is_pcie(wc)) {
+		pci_disable_link_state(pdev->bus->self, PCIE_LINK_STATE_L0S |
+			PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+	};
+#endif
+
 	if (is_hx8(wc)) {
 		wc->vb.ops = &hx8_voicebus_operations;
 		ret = voicebus_boot_init(&wc->vb, wc->board_name);
@@ -5921,6 +5924,9 @@ __wctdm_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return -1;
 	}
 
+	WARN_ON(wc->not_ready <= 0);
+	--wc->not_ready;
+
 	dev_info(&wc->vb.pdev->dev,
 		 "Found a %s: %s (%d BRI spans, %d analog %s)\n",
 		 (is_hx8(wc)) ? "Hybrid card" : "Wildcard TDM",
@@ -6050,13 +6056,11 @@ static DEFINE_PCI_DEVICE_TABLE(wctdm_pci_tbl) = {
 	{ 0 }
 };
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 static void wctdm_shutdown(struct pci_dev *pdev)
 {
 	struct wctdm *wc = pci_get_drvdata(pdev);
 	voicebus_quiesce(&wc->vb);
 }
-#endif
 
 MODULE_DEVICE_TABLE(pci, wctdm_pci_tbl);
 
@@ -6069,9 +6073,7 @@ static struct pci_driver wctdm_driver = {
 	.name = "wctdm24xxp",
 	.probe = wctdm_init_one,
 	.remove = __devexit_p(wctdm_remove_one),
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 	.shutdown = wctdm_shutdown,
-#endif
 	.suspend = wctdm_suspend,
 	.id_table = wctdm_pci_tbl,
 };

drivers/dahdi/wctdm24xxp/wctdm24xxp.h

@@ -106,9 +106,11 @@ struct calregs {
 enum battery_state {
 	BATTERY_UNKNOWN = 0,
 	BATTERY_DEBOUNCING_PRESENT,
+	BATTERY_DEBOUNCING_PRESENT_FROM_LOST_ALARM,
 	BATTERY_DEBOUNCING_PRESENT_ALARM,
 	BATTERY_PRESENT,
 	BATTERY_DEBOUNCING_LOST,
+	BATTERY_DEBOUNCING_LOST_FROM_PRESENT_ALARM,
 	BATTERY_DEBOUNCING_LOST_ALARM,
 	BATTERY_LOST,
 };

drivers/dahdi/wctdm24xxp/xhfc.c

@@ -2150,7 +2150,9 @@ static int b400m_set_ntte(struct b400m_span *bspan, int te_mode, int term_on)
 	int all_modes = 0, all_terms = 0;
 	int i;
 
-	bspan->wspan->span.spantype = (te_mode > 0) ? "TE" : "NT";
+	bspan->wspan->span.spantype = (te_mode > 0)
+		? SPANTYPE_DIGITAL_BRI_TE
+		: SPANTYPE_DIGITAL_BRI_NT;
 
 	bspan->te_mode = te_mode;
 	bspan->term_on = term_on;

drivers/dahdi/wcte11xp.c

@@ -1000,12 +1000,12 @@ static int t1xxp_software_init(struct t1 *wc)
 		else
 			wc->span.channels = 31;
 		wc->span.deflaw = DAHDI_LAW_ALAW;
-		wc->span.spantype = "E1";
+		wc->span.spantype = SPANTYPE_DIGITAL_E1;
 		wc->span.linecompat = DAHDI_CONFIG_HDB3 | DAHDI_CONFIG_CCS | DAHDI_CONFIG_CRC4;
 	} else {
 		wc->span.channels = 24;
 		wc->span.deflaw = DAHDI_LAW_MULAW;
-		wc->span.spantype = "T1";
+		wc->span.spantype = SPANTYPE_DIGITAL_T1;
 		wc->span.linecompat = DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS | DAHDI_CONFIG_D4 | DAHDI_CONFIG_ESF;
 	}
 	wc->span.chans = wc->chans;

drivers/dahdi/wcte12xp/Makefile

@@ -1,6 +0,0 @@
-ifdef KBUILD_EXTMOD
-# We only get here on kernels 2.6.0-2.6.9 .
-# For newer kernels, Kbuild will be included directly by the kernel
-# build system.
-include $(src)/Kbuild
-endif

drivers/dahdi/wcte12xp/base.c

@@ -8,7 +8,7 @@
  *            Matthew Fredrickson <creslin@digium.com>
  *            William Meadows <wmeadows@digium.com>
  *
- * Copyright (C) 2007-2011, Digium, Inc.
+ * Copyright (C) 2007-2012, Digium, Inc.
  *
  * All rights reserved.
  *
@@ -27,6 +27,8 @@
  * this program for more details.
  */
 
+#define pr_fmt(fmt)             KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/module.h>
@@ -55,18 +57,14 @@
 #error VOICEBUS_SFRAME_SIZE != SFRAME_SIZE
 #endif
 
-#ifndef pr_fmt
-#define pr_fmt(fmt)             KBUILD_MODNAME ": " fmt
-#endif
-
 static int debug;
-static int j1mode = 0;
+static int j1mode = -1;
 static int alarmdebounce = 2500; /* LOF/LFA def to 2.5s AT&T TR54016*/
 static int losalarmdebounce = 2500; /* LOS def to 2.5s AT&T TR54016*/
 static int aisalarmdebounce = 2500; /* AIS(blue) def to 2.5s AT&T TR54016*/
 static int yelalarmdebounce = 500; /* RAI(yellow) def to 0.5s AT&T devguide */
 static int t1e1override = -1; /* deprecated */
-static char *default_linemode = "auto"; /* 'auto', 'e1', or 't1' */
+static char *default_linemode = "auto"; /* 'auto', 'e1', 't1', or 'j1' */
 static int latency = VOICEBUS_DEFAULT_LATENCY;
 static unsigned int max_latency = VOICEBUS_DEFAULT_MAXLATENCY;
 static int vpmsupport = 1;
@@ -99,6 +97,11 @@ static const struct t1_desc te120p = {"Wildcard TE120P"};
 static const struct t1_desc te122 = {"Wildcard TE122"};
 static const struct t1_desc te121 = {"Wildcard TE121"};
 
+static inline bool is_pcie(const struct t1 *t1)
+{
+	return (0 == strcmp(t1->variety, te121.name));
+}
+
 /* names of HWEC modules */
 static const char *vpmadt032_name = "VPMADT032";
 static const char *vpmoct_name = "VPMOCT032";
@@ -640,21 +643,32 @@ static inline int t1_setreg(struct t1 *wc, int addr, int val)
 	return 0;
 }
 
-static int t1_getreg(struct t1 *wc, int addr)
+static void __t1_getreg(struct t1 *wc, int addr, struct command *cmd)
 {
-	struct command *cmd =  NULL;
-	unsigned long ret;
-	unsigned long flags;
-
-	might_sleep();
-
-	cmd = get_free_cmd(wc);
-	if (!cmd)
-		return -ENOMEM;
 	cmd->address = addr;
 	cmd->data = 0x00;
 	cmd->flags = __CMD_RD;
 	submit_cmd(wc, cmd);
+}
+
+static int __t1_getresult(struct t1 *wc, struct command *cmd)
+{
+	int ret;
+	unsigned long flags;
+
+	might_sleep();
+
+	if (test_bit(IOERROR, &wc->bit_flags)) {
+		spin_lock_irqsave(&wc->reglock, flags);
+		list_del_init(&cmd->node);
+		spin_unlock_irqrestore(&wc->reglock, flags);
+		if (printk_ratelimit()) {
+			dev_warn(&wc->vb.pdev->dev,
+				 "Timeout in %s\n", __func__);
+		}
+		return -EIO;
+	}
+
 	ret = wait_for_completion_interruptible_timeout(&cmd->complete, HZ*10);
 	if (unlikely(!ret)) {
 		spin_lock_irqsave(&wc->reglock, flags);
@@ -663,13 +677,13 @@ static int t1_getreg(struct t1 *wc, int addr)
 			 * can go ahead and free it right away. */
 			list_del_init(&cmd->node);
 			spin_unlock_irqrestore(&wc->reglock, flags);
-			free_cmd(wc, cmd);
 			if (-ERESTARTSYS != ret) {
 				if (printk_ratelimit()) {
 					dev_warn(&wc->vb.pdev->dev,
 						 "Timeout in %s\n", __func__);
 				}
 				ret = -EIO;
+				set_bit(IOERROR, &wc->bit_flags);
 			}
 			return ret;
 		} else {
@@ -680,15 +694,26 @@ static int t1_getreg(struct t1 *wc, int addr)
 			ret = wait_for_completion_timeout(&cmd->complete, HZ*2);
 			WARN_ON(!ret);
 			ret = cmd->data;
-			free_cmd(wc, cmd);
 			return ret;
 		}
 	}
 	ret = cmd->data;
-	free_cmd(wc, cmd);
 	return ret;
 }
 
+static int t1_getreg(struct t1 *wc, int addr)
+{
+	int res;
+	struct command *cmd =  NULL;
+	cmd = get_free_cmd(wc);
+	if (!cmd)
+		return -ENOMEM;
+	__t1_getreg(wc, addr, cmd);
+	res = __t1_getresult(wc, cmd);
+	free_cmd(wc, cmd);
+	return res;
+}
+
 static void t1_setleds(struct t1 *wc, int leds)
 {
 	struct command *cmd;
@@ -826,6 +851,75 @@ static void free_wc(struct t1 *wc)
 	kfree(wc);
 }
 
+/**
+ * t1_reset_registers - Put register back to their default values 
+ *
+ * Since the card does not have an ability to reset just the framer
+ * specifically, we need to write all the default values to the framer.
+ *
+ */
+static void t1_reset_registers(struct t1 *wc)
+{
+	int i;
+	struct t1_reg {
+		u8 address;
+		u8 value;
+	} __attribute__((packed));
+	struct t1_reg *reg;
+	static struct t1_reg DEFAULT_REGS[] = {
+		{0x00, 0x7d}, {0x01, 0x7d}, {0x02, 0x00}, {0x03, 0x00},
+		{0x04, 0xfd}, {0x05, 0xff}, {0x06, 0xff}, {0x07, 0xff},
+		{0x08, 0x05}, {0x09, 0x00}, {0x0a, 0x00}, {0x0b, 0x00},
+		{0x0c, 0x00}, {0x0d, 0x00}, {0x0e, 0x00}, {0x0f, 0x00},
+		{0x10, 0x00}, {0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00},
+		{0x14, 0xff}, {0x15, 0xff}, {0x16, 0xff}, {0x17, 0xff},
+		{0x18, 0xff}, {0x19, 0xff}, {0x1a, 0x00}, {0x1b, 0x00},
+		{0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00}, {0x1f, 0x00},
+		{0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x04},
+		{0x24, 0x00}, {0x25, 0x05}, {0x26, 0x7b}, {0x27, 0x03},
+		{0x28, 0x40}, {0x29, 0x00}, {0x2a, 0x00}, {0x2b, 0x00},
+		{0x2c, 0x00}, {0x2d, 0x00}, {0x2e, 0x00}, {0x2f, 0x00},
+		{0x30, 0x00}, {0x31, 0x00}, {0x32, 0x00}, {0x33, 0x00},
+		{0x34, 0x00}, {0x35, 0x00}, {0x36, 0x00}, {0x37, 0x80},
+		{0x38, 0x00}, {0x39, 0x00}, {0x3a, 0x20}, {0x3b, 0x00},
+		{0x3c, 0x00}, {0x3d, 0x00}, {0x3e, 0x0a}, {0x3f, 0x00},
+		{0x40, 0x04}, {0x41, 0x00}, {0x42, 0x00}, {0x43, 0x00},
+		{0x44, 0x30}, {0x45, 0x00}, {0x46, 0xc0}, {0x47, 0xff},
+		{0x48, 0x00}, {0x49, 0x1c}, {0x4a, 0x05}, {0x4b, 0x03},
+		{0x4c, 0xa3}, {0x4d, 0x28}, {0x4e, 0x00}, {0x4f, 0xc0},
+		{0x50, 0x00}, {0x51, 0x00}, {0x52, 0x00}, {0x53, 0x00},
+		{0x54, 0x00}, {0x55, 0x00}, {0x56, 0x00}, {0x57, 0x00},
+		{0x58, 0x00}, {0x59, 0x00}, {0x5a, 0x00}, {0x5b, 0x00},
+		{0x5c, 0x00}, {0x5d, 0x00}, {0x5e, 0x00}, {0x5f, 0x00},
+		{0x60, 0x00}, {0x61, 0x20}, {0x62, 0x00}, {0x63, 0x00},
+		{0x64, 0x5a}, {0x65, 0x02}, {0x66, 0x00}, {0x67, 0x00},
+		{0x68, 0x10}, {0x69, 0x09}, {0x6a, 0x00}, {0x6b, 0x03},
+		{0x6c, 0x00}, {0x6d, 0xc0}, {0x6e, 0x40}, {0x6f, 0x00},
+		{0x70, 0x00}, {0x71, 0x00}, {0x72, 0x00}, {0x73, 0x00},
+		{0x74, 0x00}, {0x75, 0x00}, {0x76, 0x00}, {0x77, 0x00},
+		{0x78, 0x00}, {0x79, 0x00}, {0x7a, 0x00}, {0x7b, 0x00},
+		{0x7c, 0x00}, {0x7d, 0x00}, {0x7e, 0x00}, {0x7f, 0x00},
+		{0x80, 0x00}, {0x81, 0x22}, {0x82, 0x65}, {0x83, 0x35},
+		{0x84, 0x31}, {0x85, 0x60}, {0x86, 0x03}, {0x87, 0x00},
+		{0x88, 0x00}, {0x89, 0x00}, {0x8a, 0x00}, {0x8b, 0x00},
+		{0x8c, 0x00}, {0x8d, 0x00}, {0x8e, 0x00}, {0x8f, 0x00},
+		{0x90, 0x00}, {0x91, 0x00}, {0x92, 0x00}, {0x93, 0x18},
+		{0x94, 0xfb}, {0x95, 0x0b}, {0x96, 0x00}, {0x97, 0x0b},
+		{0x98, 0xdb}, {0x99, 0xdf}, {0x9a, 0x48}, {0x9b, 0x00},
+		{0x9c, 0x3f}, {0x9d, 0x3f}, {0x9e, 0x77}, {0x9f, 0x77},
+		{0xa0, 0x00}, {0xa1, 0xff}, {0xa2, 0xff}, {0xa3, 0xff},
+		{0xa4, 0x00}, {0xa5, 0x00}, {0xa6, 0x00}, {0xa7, 0x00},
+		{0xa8, 0x00}
+	};
+
+	for (i = 0; i < ARRAY_SIZE(DEFAULT_REGS); ++i) {
+		reg = &DEFAULT_REGS[i];
+		t1_setreg(wc, reg->address, reg->value);
+	}
+	/* Flush previous writes. */
+	t1_getreg(wc, 0x1d);
+}
+
 static void t4_serial_setup(struct t1 *wc)
 {
 	t1_setreg(wc, 0x85, 0xe0);	/* GPC1: Multiplex mode enabled, FSC is output, active low, RCLK from channel 0 */
@@ -878,7 +972,8 @@ static void t1_configure_t1(struct t1 *wc, int lineconfig, int txlevel)
 	fmr1 = 0x9e; /* FMR1: Mode 0, T1 mode, CRC on for ESF, 2.048 Mhz system data rate, no XAIS */
 	fmr2 = 0x20; /* FMR2: no payload loopback, don't auto yellow alarm */
 
-	if (j1mode)
+
+	if (SPANTYPE_DIGITAL_J1 == wc->span.spantype)
 		fmr4 = 0x1c;
 	else
 		fmr4 = 0x0c; /* FMR4: Lose sync on 2 out of 5 framing bits, auto resync */
@@ -918,7 +1013,7 @@ static void t1_configure_t1(struct t1 *wc, int lineconfig, int txlevel)
 	t1_setreg(wc, 0x38, 0x0a);	/* PCD: LOS after 176 consecutive "zeros" */
 	t1_setreg(wc, 0x39, 0x15);	/* PCR: 22 "ones" clear LOS */
 
-	if (j1mode)
+	if (SPANTYPE_DIGITAL_J1 == wc->span.spantype)
 		t1_setreg(wc, 0x24, 0x80); /* J1 overide */
 		
 	/* Generate pulse mask for T1 */
@@ -1179,15 +1274,47 @@ static int t1xxp_rbsbits(struct dahdi_chan *chan, int bits)
 	return 0;
 }
 
-static inline void t1_check_sigbits(struct t1 *wc)
+static void t1_check_sigbits(struct t1 *wc)
 {
+	struct command_container {
+		struct command *cmd;
+		struct list_head node;
+		unsigned int index;
+	};
+	struct command_container *cont;
+	LIST_HEAD(commands);
 	int a,i,rxs;
 
 	if (!(test_bit(DAHDI_FLAGBIT_RUNNING, &wc->span.flags)))
 		return;
+
 	if (dahdi_is_e1_span(&wc->span)) {
+		/* Send out all the commands first. */
 		for (i = 0; i < 15; i++) {
-			a = t1_getreg(wc, 0x71 + i);
+			if (!(wc->span.chans[i+16]->sig & DAHDI_SIG_CLEAR) ||
+			    !(wc->span.chans[i]->sig & DAHDI_SIG_CLEAR))  {
+				cont = kzalloc(sizeof(*cont), GFP_KERNEL);
+				if (!cont) {
+					WARN_ON_ONCE(1);
+					goto done;
+				}
+				cont->cmd = get_free_cmd(wc);
+				if (!cont->cmd) {
+					WARN_ON_ONCE(1);
+					goto done;
+				}
+				cont->index = i;
+				list_add_tail(&cont->node, &commands);
+				__t1_getreg(wc, 0x71 + i, cont->cmd);
+			}
+		}
+
+		/* Now check the results */
+		list_for_each_entry_reverse(cont, &commands, node) {
+			i = cont->index;
+			a = __t1_getresult(wc, cont->cmd);
+			free_cmd(wc, cont->cmd);
+			cont->cmd = NULL;
 			if (a > -1) {
 				/* Get high channel in low bits */
 				rxs = (a & 0xf);
@@ -1205,8 +1332,29 @@ static inline void t1_check_sigbits(struct t1 *wc)
 			}
 		}
 	} else if (wc->span.lineconfig & DAHDI_CONFIG_D4) {
-		for (i = 0; i < 24; i+=4) {
-			a = t1_getreg(wc, 0x70 + (i>>2));
+		/* First we'll send out the commands */
+		for (i = 0; i < 24; i += 4) {
+			cont = kzalloc(sizeof(*cont), GFP_KERNEL);
+			if (!cont) {
+				WARN_ON_ONCE(1);
+				goto done;
+			}
+			cont->cmd = get_free_cmd(wc);
+			if (!cont->cmd) {
+				WARN_ON_ONCE(1);
+				goto done;
+			}
+			cont->index = i;
+			list_add_tail(&cont->node, &commands);
+			__t1_getreg(wc, 0x70 + (i>>2), cont->cmd);
+		}
+
+		/* Now we'll check the results */
+		list_for_each_entry_reverse(cont, &commands, node) {
+			i = cont->index;
+			a = __t1_getresult(wc, cont->cmd);
+			free_cmd(wc, cont->cmd);
+			cont->cmd = NULL;
 			if (a > -1) {
 				/* Get high channel in low bits */
 				rxs = (a & 0x3) << 2;
@@ -1236,8 +1384,28 @@ static inline void t1_check_sigbits(struct t1 *wc)
 			}
 		}
 	} else {
-		for (i = 0; i < 24; i+=2) {
-			a = t1_getreg(wc, 0x70 + (i>>1));
+		/* First send out the commands. */
+		for (i = 0; i < 24; i += 2) {
+			cont = kzalloc(sizeof(*cont), GFP_KERNEL);
+			if (!cont) {
+				WARN_ON_ONCE(1);
+				goto done;
+			}
+			cont->cmd = get_free_cmd(wc);
+			if (!cont->cmd) {
+				WARN_ON_ONCE(1);
+				goto done;
+			}
+			cont->index = i;
+			list_add_tail(&cont->node, &commands);
+			__t1_getreg(wc, 0x70 + (i>>1), cont->cmd);
+		}
+
+		list_for_each_entry_reverse(cont, &commands, node) {
+			i = cont->index;
+			a = __t1_getresult(wc, cont->cmd);
+			free_cmd(wc, cont->cmd);
+			cont->cmd = NULL;
 			if (a > -1) {
 				/* Get high channel in low bits */
 				rxs = (a & 0xf);
@@ -1255,6 +1423,21 @@ static inline void t1_check_sigbits(struct t1 *wc)
 			}
 		}
 	}
+done:
+	while (!list_empty(&commands)) {
+		cont = container_of(commands.next,
+				    struct command_container, node);
+		if (unlikely(cont->cmd)) {
+			/* We do not care about the result, let's just wait for
+			 * the rest of the system to finish with it. */
+			__t1_getresult(wc, cont->cmd);
+			free_cmd(wc, cont->cmd);
+			cont->cmd = NULL;
+		}
+		list_del(&cont->node);
+		kfree(cont);
+	}
+	return;
 }
 
 struct maint_work_struct {
@@ -1841,18 +2024,32 @@ static int t1_software_init(struct t1 *wc, enum linemode type)
 	memset(chans, 0, sizeof(chans));
 	memset(ec, 0, sizeof(ec));
 
-	if (type == E1) {
+	switch (type) {
+	case E1:
 		wc->span.channels = 31;
-		wc->span.spantype = "E1";
+		wc->span.spantype = SPANTYPE_DIGITAL_E1;
 		wc->span.linecompat = DAHDI_CONFIG_AMI | DAHDI_CONFIG_HDB3 |
 			DAHDI_CONFIG_CCS | DAHDI_CONFIG_CRC4;
 		wc->span.deflaw = DAHDI_LAW_ALAW;
-	} else {
+		break;
+	case T1:
 		wc->span.channels = 24;
-		wc->span.spantype = "T1";
+		wc->span.spantype = SPANTYPE_DIGITAL_T1;
 		wc->span.linecompat = DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS |
 			DAHDI_CONFIG_D4 | DAHDI_CONFIG_ESF;
 		wc->span.deflaw = DAHDI_LAW_MULAW;
+		break;
+	case J1:
+		wc->span.channels = 24;
+		wc->span.spantype = SPANTYPE_DIGITAL_J1;
+		wc->span.linecompat = DAHDI_CONFIG_AMI | DAHDI_CONFIG_B8ZS |
+			DAHDI_CONFIG_D4 | DAHDI_CONFIG_ESF;
+		wc->span.deflaw = DAHDI_LAW_MULAW;
+		break;
+	default:
+		spin_unlock_irqrestore(&wc->reglock, flags);
+		res = -EINVAL;
+		goto error_exit;
 	}
 
 	spin_unlock_irqrestore(&wc->reglock, flags);
@@ -1861,7 +2058,7 @@ static int t1_software_init(struct t1 *wc, enum linemode type)
 		return -ENOMEM;
 
 	t1_info(wc, "Setting up global serial parameters for %s\n",
-		(dahdi_is_e1_span(&wc->span) ? "E1" : "T1"));
+		dahdi_spantype2str(wc->span.spantype));
 
 	t4_serial_setup(wc);
 	set_bit(DAHDI_FLAGBIT_RBS, &wc->span.flags);
@@ -1895,13 +2092,13 @@ error_exit:
  * DAHDI).
  *
  */
-static int t1xxp_set_linemode(struct dahdi_span *span, const char *linemode)
+static int t1xxp_set_linemode(struct dahdi_span *span, enum spantypes linemode)
 {
 	int res;
 	struct t1 *wc = container_of(span, struct t1, span);
 
 	/* We may already be set to the requested type. */
-	if (!strcasecmp(span->spantype, linemode))
+	if (span->spantype == linemode)
 		return 0;
 
 	res = t1_wait_for_ready(wc);
@@ -1911,21 +2108,35 @@ static int t1xxp_set_linemode(struct dahdi_span *span, const char *linemode)
 	/* Stop the processing of the channels since we're going to change
 	 * them. */
 	clear_bit(INITIALIZED, &wc->bit_flags);
+	synchronize_irq(wc->vb.pdev->irq);
 	smp_mb__after_clear_bit();
 	del_timer_sync(&wc->timer);
 	flush_workqueue(wc->wq);
 
-	if (!strcasecmp(linemode, "t1")) {
+	t1_reset_registers(wc);
+
+	switch (linemode) {
+	case SPANTYPE_DIGITAL_T1:
 		dev_info(&wc->vb.pdev->dev,
-			 "Changing from E1 to T1 line mode.\n");
+			 "Changing from %s to T1 line mode.\n",
+			 dahdi_spantype2str(wc->span.spantype));
 		res = t1_software_init(wc, T1);
-	} else if (!strcasecmp(linemode, "e1")) {
+		break;
+	case SPANTYPE_DIGITAL_E1:
 		dev_info(&wc->vb.pdev->dev,
-			 "Changing from T1 to E1 line mode.\n");
+			 "Changing from %s to E1 line mode.\n",
+			 dahdi_spantype2str(wc->span.spantype));
 		res = t1_software_init(wc, E1);
-	} else {
+		break;
+	case SPANTYPE_DIGITAL_J1:
+		dev_info(&wc->vb.pdev->dev,
+			 "Changing from %s to E1 line mode.\n",
+			 dahdi_spantype2str(wc->span.spantype));
+		res = t1_software_init(wc, J1);
+	default:
 		dev_err(&wc->vb.pdev->dev,
-			"'%s' is an unknown linemode.\n", linemode);
+			"Got invalid linemode '%s' from dahdi\n",
+			dahdi_spantype2str(linemode));
 		res = -EINVAL;
 	}
 
@@ -1962,14 +2173,15 @@ static int t1_hardware_post_init(struct t1 *wc, enum linemode *type)
 	int x;
 
 	/* T1 or E1 */
-	if (-1 != t1e1override) {
-		pr_info("t1e1override is deprecated. Please use 'default_linemode'.\n");
-		*type = (t1e1override) ? E1 : T1;
+	if ((-1 != t1e1override) || (-1 != j1mode)) {
+		*type = (t1e1override) ? E1 : (j1mode) ? J1 : T1;
 	} else {
 		if (!strcasecmp(default_linemode, "e1")) {
 			*type = E1;
 		} else if (!strcasecmp(default_linemode, "t1")) {
 			*type = T1;
+		} else if (!strcasecmp(default_linemode, "j1")) {
+			*type = J1;
 		} else {
 			u8 pins;
 			res = t1_getpins(wc, &pins);
@@ -1978,7 +2190,8 @@ static int t1_hardware_post_init(struct t1 *wc, enum linemode *type)
 			*type = (pins & 0x01) ? T1 : E1;
 		}
 	}
-	debug_printk(wc, 1, "linemode: %s\n", (*type == T1) ? "T1" : "E1");
+	debug_printk(wc, 1, "linemode: %s\n", (*type == T1) ? "T1" :
+					(J1 == *type) ? "J1" : "E1");
 	
 	/* what version of the FALC are we using? */
 	reg = t1_setreg(wc, 0x4a, 0xaa);
@@ -2009,19 +2222,41 @@ static int t1_hardware_post_init(struct t1 *wc, enum linemode *type)
 	return 0;
 }
 
-static inline void t1_check_alarms(struct t1 *wc)
+static void t1_check_alarms(struct t1 *wc)
 {
 	unsigned char c,d;
 	int alarms;
 	int x,j;
 	unsigned char fmr4; /* must read this always */
+	struct command *cmds[3];
 
 	if (!(test_bit(DAHDI_FLAGBIT_RUNNING, &wc->span.flags)))
 		return;
 
-	c = t1_getreg(wc, 0x4c);
-	fmr4 = t1_getreg(wc, 0x20); /* must read this even if we don't use it */
-	d = t1_getreg(wc, 0x4d);
+	for (x = 0; x < ARRAY_SIZE(cmds); ++x) {
+		cmds[x] = get_free_cmd(wc);
+		if (!cmds[x]) {
+			WARN_ON(1);
+			for (x = 0; x < ARRAY_SIZE(cmds); ++x)
+				free_cmd(wc, cmds[x]);
+			return;
+		}
+	}
+
+	/* Since this is voicebus, if we issue all the reads initially and then
+	 * check the results we can save ourselves some time. Otherwise, each
+	 * read will take a minimum of 3ms to go through the complete pipeline.
+	 */
+	__t1_getreg(wc, 0x4c, cmds[0]);
+	__t1_getreg(wc, 0x20, cmds[1]); /* must read this even if not used */
+	__t1_getreg(wc, 0x4d, cmds[2]);
+
+	d = __t1_getresult(wc, cmds[2]);
+	fmr4 = __t1_getresult(wc, cmds[1]);
+	c = __t1_getresult(wc, cmds[0]);
+
+	for (x=0; x < ARRAY_SIZE(cmds); ++x)
+		free_cmd(wc, cmds[x]);
 
 	/* Assume no alarms */
 	alarms = 0;
@@ -2053,27 +2288,32 @@ static inline void t1_check_alarms(struct t1 *wc)
 		/* Detect loopup code if we're not sending one */
 		if ((!wc->span.mainttimer) && (d & 0x08)) {
 			/* Loop-up code detected */
-			if ((wc->span.maintstat != DAHDI_MAINT_REMOTELOOP)) {
+			if ((++wc->loopupcnt > 80) &&
+			    (wc->span.maintstat != DAHDI_MAINT_REMOTELOOP)) {
 				t1_notice(wc, "Loopup detected,"\
 					" enabling remote loop\n");
 				t1_setreg(wc, 0x36, 0x08);	/* LIM0: Disable any local loop */
 				t1_setreg(wc, 0x37, 0xf6);	/* LIM1: Enable remote loop */
 				wc->span.maintstat = DAHDI_MAINT_REMOTELOOP;
 			}
-		} else
+		} else {
 			wc->loopupcnt = 0;
+		}
+
 		/* Same for loopdown code */
 		if ((!wc->span.mainttimer) && (d & 0x10)) {
 			/* Loop-down code detected */
-			if ((wc->span.maintstat == DAHDI_MAINT_REMOTELOOP)) {
+			if ((++wc->loopdowncnt > 80) &&
+			    (wc->span.maintstat == DAHDI_MAINT_REMOTELOOP)) {
 				t1_notice(wc, "Loopdown detected,"\
 					" disabling remote loop\n");
 				t1_setreg(wc, 0x36, 0x08);	/* LIM0: Disable any local loop */
 				t1_setreg(wc, 0x37, 0xf0);	/* LIM1: Disable remote loop */
 				wc->span.maintstat = DAHDI_MAINT_NONE;
 			}
-		} else
+		} else {
 			wc->loopdowncnt = 0;
+		}
 	}
 
 	if (wc->span.lineconfig & DAHDI_CONFIG_NOTOPEN) {
@@ -2437,11 +2677,11 @@ static void timer_work_func(struct work_struct *work)
 {
 	struct t1 *wc = container_of(work, struct t1, timer_work);
 #endif
+	if (test_bit(INITIALIZED, &wc->bit_flags))
+		mod_timer(&wc->timer, jiffies + HZ/30);
 	t1_do_counters(wc);
 	t1_check_alarms(wc);
 	t1_check_sigbits(wc);
-	if (test_bit(INITIALIZED, &wc->bit_flags))
-		mod_timer(&wc->timer, jiffies + HZ/10);
 }
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
@@ -2697,13 +2937,7 @@ static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_devi
 	spin_lock_init(&wc->reglock);
 	INIT_LIST_HEAD(&wc->active_cmds);
 	INIT_LIST_HEAD(&wc->pending_cmds);
-#	if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
-	wc->timer.function = te12xp_timer;
-	wc->timer.data = (unsigned long)wc;
-	init_timer(&wc->timer);
-#	else
 	setup_timer(&wc->timer, te12xp_timer, (unsigned long)wc);
-#	endif
 
 #	if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
 	INIT_WORK(&wc->timer_work, timer_work_func, wc);
@@ -2749,6 +2983,13 @@ static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_devi
 	}
 #endif /* CONFIG_VOICEBUS_ECREFERENCE */
 
+#ifdef CONFIG_VOICEBUS_DISABLE_ASPM
+	if (is_pcie(wc)) {
+		pci_disable_link_state(pdev->bus->self, PCIE_LINK_STATE_L0S |
+			PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+	};
+#endif
+
 	snprintf(wc->name, sizeof(wc->name)-1, "wcte12xp%d", index);
 	pci_set_drvdata(pdev, wc);
 	wc->vb.ops = &voicebus_operations;
@@ -2876,13 +3117,11 @@ static DEFINE_PCI_DEVICE_TABLE(te12xp_pci_tbl) = {
 	{ 0 }
 };
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 static void te12xp_shutdown(struct pci_dev *pdev)
 {
 	struct t1 *wc = pci_get_drvdata(pdev);
 	voicebus_quiesce(&wc->vb);
 }
-#endif
 
 static int te12xp_suspend(struct pci_dev *pdev, pm_message_t state)
 {
@@ -2895,9 +3134,7 @@ static struct pci_driver te12xp_driver = {
 	.name = "wcte12xp",
 	.probe = te12xp_init_one,
 	.remove = __devexit_p(te12xp_remove_one),
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 	.shutdown = te12xp_shutdown,
-#endif
 	.suspend = te12xp_suspend,
 	.id_table = te12xp_pci_tbl,
 };
@@ -2920,14 +3157,20 @@ static int __init te12xp_init(void)
 	if (!cmd_cache)
 		return -ENOMEM;
 
-	if (-1 != t1e1override) {
-		pr_info("'t1e1override' is deprecated. "
-			"Please use 'default_linemode' instead\n");
+	if ((-1 != t1e1override) || (-1 != j1mode)) {
+		pr_info("'t1e1override' and 'j1mode' are deprecated. "
+			"Please use 'default_linemode' instead.\n");
+		/* If someone is setting j1mode, then, t1e1override most likely
+		 * needs to be forced to t1 mode */
+		if (j1mode > 0)
+			t1e1override = 0;
 	} else if (strcasecmp(default_linemode, "auto") &&
 		   strcasecmp(default_linemode, "t1") &&
+		   strcasecmp(default_linemode, "j1") &&
 		   strcasecmp(default_linemode, "e1")) {
-		pr_err("'%s' is an unknown span type.", default_linemode);
+		pr_err("'%s' is an unknown span type.\n", default_linemode);
 		default_linemode = "auto";
+		kmem_cache_destroy(cmd_cache);
 		return -EINVAL;
 	}
 	res = dahdi_pci_module(&te12xp_driver);

drivers/dahdi/wcte12xp/wcte12xp.h

@@ -77,6 +77,7 @@
 enum linemode {
 	T1 = 1,
 	E1,
+	J1,
 };
 
 struct command {
@@ -113,6 +114,7 @@ struct t1 {
 #define INITIALIZED 1
 #define SHUTDOWN    2
 #define READY	    3
+#define IOERROR	    4
 	unsigned long bit_flags;
 	unsigned long alarmtimer;
 	unsigned char ledstate;

drivers/dahdi/wcxb.h

@@ -0,0 +1,192 @@
+/*
+ * wcxb SPI library
+ *
+ * Copyright (C) 2013 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
+#ifndef __WCXB_H__
+#define __WCXB_H__
+
+#define WCXB_DEFAULT_LATENCY	3U
+#define WCXB_DEFAULT_MAXLATENCY 20U
+#define WCXB_DMA_CHAN_SIZE	128
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24)
+/* The is_pcie member was backported but I'm not sure in which version. */
+#  ifndef RHEL_RELEASE_VERSION
+#define WCXB_PCI_DEV_DOES_NOT_HAVE_IS_PCIE
+#  endif
+#else
+#endif
+
+struct wcxb;
+
+struct wcxb_operations {
+	void (*handle_receive)(struct wcxb *xb, void *frame);
+	void (*handle_transmit)(struct wcxb *xb, void *frame);
+	void (*handle_error)(struct wcxb *xb);
+	void (*handle_interrupt)(struct wcxb *xb, u32 pending);
+};
+
+struct wcxb_meta_desc;
+struct wcxb_hw_desc;
+
+struct wcxb {
+	struct pci_dev			*pdev;
+	spinlock_t			lock;
+	const struct wcxb_operations	*ops;
+	unsigned int			*debug;
+	unsigned int			max_latency;
+	unsigned int			latency;
+	struct {
+		u32	have_msi:1;
+		u32	latency_locked:1;
+		u32	drive_timing_cable:1;
+#ifdef WCXB_PCI_DEV_DOES_NOT_HAVE_IS_PCIE
+		u32	is_pcie:1;
+#endif
+	} flags;
+	void __iomem			*membase;
+	struct wcxb_meta_desc		*meta_dring;
+	struct wcxb_hw_desc		*hw_dring;
+	unsigned int			dma_head;
+	unsigned int			dma_tail;
+	dma_addr_t			hw_dring_phys;
+	struct dma_pool			*pool;
+	unsigned long			framecount;
+};
+
+extern int wcxb_init(struct wcxb *xb, const char *board_name, u32 int_mode);
+extern void wcxb_release(struct wcxb *xb);
+extern int wcxb_start(struct wcxb *xb);
+extern void wcxb_stop(struct wcxb *xb);
+extern int wcxb_wait_for_stop(struct wcxb *xb, unsigned long timeout_ms);
+extern bool wcxb_is_stopped(struct wcxb *xb);
+
+enum wcxb_clock_sources {
+	WCXB_CLOCK_SELF,	/* Use the internal oscillator for timing. */
+	WCXB_CLOCK_RECOVER,	/* Recover the clock from a framer. */
+#ifdef RPC_RCLK
+	WCXB_CLOCK_RECOVER_ALT,	/* Recover the clock from a framer. */
+#endif
+	WCXB_CLOCK_SLAVE	/* Recover clock from any timing header. */
+};
+
+extern enum wcxb_clock_sources wcxb_get_clksrc(struct wcxb *xb);
+extern void wcxb_set_clksrc(struct wcxb *xb, enum wcxb_clock_sources clksrc);
+
+static inline void wcxb_enable_timing_header_driver(struct wcxb *xb)
+{
+	xb->flags.drive_timing_cable = 1;
+}
+static inline bool wcxb_is_timing_header_driver_enabled(struct wcxb *xb)
+{
+	return 1 == xb->flags.drive_timing_cable;
+}
+
+static inline void wcxb_disable_timing_header_driver(struct wcxb *xb)
+{
+	xb->flags.drive_timing_cable = 0;
+}
+
+enum wcxb_reset_option {
+	WCXB_RESET_NOW,
+	WCXB_RESET_LATER
+};
+
+extern u32 wcxb_get_firmware_version(struct wcxb *xb);
+extern int wcxb_check_firmware(struct wcxb *xb, const u32 expected_version,
+			       const char *firmware_filename,
+			       bool force_firmware,
+			       enum wcxb_reset_option reset);
+
+extern void wcxb_stop_dma(struct wcxb *xb);
+extern void wcxb_disable_interrupts(struct wcxb *xb);
+
+static inline void wcxb_gpio_set(struct wcxb *xb, u32 bits)
+{
+	u32 reg;
+	unsigned long flags;
+	spin_lock_irqsave(&xb->lock, flags);
+	reg = ioread32be(xb->membase);
+	iowrite32be(reg | bits, xb->membase);
+	spin_unlock_irqrestore(&xb->lock, flags);
+}
+
+static inline void wcxb_gpio_clear(struct wcxb *xb, u32 bits)
+{
+	u32 reg;
+	unsigned long flags;
+	spin_lock_irqsave(&xb->lock, flags);
+	reg = ioread32be(xb->membase);
+	iowrite32be(reg & (~bits), xb->membase);
+	spin_unlock_irqrestore(&xb->lock, flags);
+}
+
+static inline void
+wcxb_set_maxlatency(struct wcxb *xb, unsigned int max_latency)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&xb->lock, flags);
+	xb->max_latency = clamp(max_latency,
+				xb->latency,
+				WCXB_DEFAULT_MAXLATENCY);
+	spin_unlock_irqrestore(&xb->lock, flags);
+}
+
+static inline void
+wcxb_set_minlatency(struct wcxb *xb, unsigned int min_latency)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&xb->lock, flags);
+	xb->latency = clamp(min_latency, WCXB_DEFAULT_LATENCY,
+			    WCXB_DEFAULT_MAXLATENCY);
+	spin_unlock_irqrestore(&xb->lock, flags);
+}
+
+static inline void
+wcxb_lock_latency(struct wcxb *xb)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&xb->lock, flags);
+	xb->flags.latency_locked = 1;
+	spin_unlock_irqrestore(&xb->lock, flags);
+	return;
+}
+
+static inline void
+wcxb_unlock_latency(struct wcxb *xb)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&xb->lock, flags);
+	xb->flags.latency_locked = 0;
+	spin_unlock_irqrestore(&xb->lock, flags);
+	return;
+}
+
+/* Interface for the echocan block */
+extern void wcxb_enable_echocan(struct wcxb *xb);
+extern void wcxb_disable_echocan(struct wcxb *xb);
+extern void wcxb_reset_echocan(struct wcxb *xb);
+extern void wcxb_enable_echocan_dram(struct wcxb *xb);
+extern bool wcxb_is_echocan_present(struct wcxb *xb);
+extern u16 wcxb_get_echocan_reg(struct wcxb *xb, u32 address);
+extern void wcxb_set_echocan_reg(struct wcxb *xb, u32 address, u16 val);
+
+#endif

drivers/dahdi/wcxb_flash.c

@@ -0,0 +1,170 @@
+/*
+ * wcxb SPI library
+ *
+ * Copyright (C) 2013 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/device.h>
+#include <linux/sched.h>
+
+#include "wcxb_spi.h"
+#include "wcxb_flash.h"
+
+#define FLASH_PAGE_PROGRAM	0x02
+#define FLASH_READ		0x03
+#define FLASH_READ_STATUS	0x05
+#define FLASH_WRITE_ENABLE	0x06
+#define FLASH_SECTOR_ERASE	0xd8
+
+static int wcxb_flash_read_status_register(struct wcxb_spi_device *spi,
+					   u8 *status)
+{
+	u8 command[] = {
+		FLASH_READ_STATUS,
+	};
+	struct wcxb_spi_transfer t_cmd = {
+		.tx_buf = command,
+		.len = sizeof(command),
+	};
+	struct wcxb_spi_transfer t_serial = {
+		.rx_buf = status,
+		.len = 1,
+	};
+	struct wcxb_spi_message m;
+	wcxb_spi_message_init(&m);
+	wcxb_spi_message_add_tail(&t_cmd, &m);
+	wcxb_spi_message_add_tail(&t_serial, &m);
+	return wcxb_spi_sync(spi, &m);
+}
+
+int wcxb_flash_read(struct wcxb_spi_device *spi, unsigned int address,
+		    void *data, size_t len)
+{
+	u8 command[] = {
+		FLASH_READ,
+		(address & 0xff0000) >> 16,
+		(address & 0xff00) >> 8,
+		(address & 0xff)
+	};
+	struct wcxb_spi_transfer t_cmd = {
+		.tx_buf = command,
+		.len = sizeof(command),
+	};
+	struct wcxb_spi_transfer t_serial = {
+		.rx_buf = data,
+		.len = len,
+	};
+	struct wcxb_spi_message m;
+	wcxb_spi_message_init(&m);
+	wcxb_spi_message_add_tail(&t_cmd, &m);
+	wcxb_spi_message_add_tail(&t_serial, &m);
+	return wcxb_spi_sync(spi, &m);
+}
+
+static int wcxb_flash_wait_until_not_busy(struct wcxb_spi_device *spi)
+{
+	int res;
+	u8 status;
+	unsigned long stop = jiffies + 5*HZ;
+	do {
+		res = wcxb_flash_read_status_register(spi, &status);
+	} while (!res && (status & 0x1) && time_before(jiffies, stop));
+	if (!res)
+		return res;
+	if (time_after_eq(jiffies, stop))
+		return -EIO;
+	return 0;
+}
+
+static int wcxb_flash_write_enable(struct wcxb_spi_device *spi)
+{
+	u8 command = FLASH_WRITE_ENABLE;
+	return wcxb_spi_write(spi, &command, 1);
+}
+
+int wcxb_flash_sector_erase(struct wcxb_spi_device *spi,
+				   unsigned int address)
+{
+	int res;
+	u8 command[] = {FLASH_SECTOR_ERASE, (address >> 16)&0xff, 0x00, 0x00};
+	/* Sector must be on 64KB boundary. */
+	if (address & 0xffff)
+		return -EINVAL;
+	/* Start the erase. */
+	res = wcxb_flash_write_enable(spi);
+	if (res)
+		return res;
+	res = wcxb_spi_write(spi, &command, sizeof(command));
+	if (res)
+		return res;
+	return wcxb_flash_wait_until_not_busy(spi);
+}
+
+int wcxb_flash_write(struct wcxb_spi_device *spi, unsigned int address,
+		     const void *data, size_t len)
+{
+	int res;
+	const size_t FLASH_PAGE_SIZE = 256;
+	u8 command[] = {
+		FLASH_PAGE_PROGRAM,
+		(address & 0xff0000) >> 16,
+		(address & 0xff00) >> 8,
+		0x00,
+	};
+	struct wcxb_spi_transfer t_cmd = {
+		.tx_buf = command,
+		.len = sizeof(command),
+	};
+	struct wcxb_spi_transfer t_data = {
+		.tx_buf = data,
+		.len = len,
+	};
+	struct wcxb_spi_message m;
+
+	/* We need to write on page size boundaries */
+	WARN_ON(address & 0xff);
+
+	wcxb_spi_message_init(&m);
+	wcxb_spi_message_add_tail(&t_cmd, &m);
+	wcxb_spi_message_add_tail(&t_data, &m);
+
+	while (len) {
+		res = wcxb_flash_write_enable(spi);
+		if (res)
+			return res;
+		command[1] = (address >> 16) & 0xff;
+		command[2] = (address >> 8) & 0xff;
+		t_data.tx_buf = data;
+		t_data.len = min(len, FLASH_PAGE_SIZE);
+		res = wcxb_spi_sync(spi, &m);
+		WARN_ON(res);
+		if (res)
+			return res;
+		res = wcxb_flash_wait_until_not_busy(spi);
+		WARN_ON(res);
+		if (res)
+			return res;
+		len -= t_data.len;
+		address += t_data.len;
+		data += t_data.len;
+	}
+	return 0;
+}

drivers/dahdi/wcxb_flash.h

@@ -0,0 +1,34 @@
+/*
+ * wcxb SPI library
+ *
+ * Copyright (C) 2013 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
+#ifndef __WCXB_FLASH_H__
+#define __WCXB_FLASH_H__
+
+extern int wcxb_flash_read(struct wcxb_spi_device *spi, unsigned int address,
+			   void *data, size_t len);
+
+extern int wcxb_flash_sector_erase(struct wcxb_spi_device *spi, unsigned int
+				   address);
+extern int wcxb_flash_write(struct wcxb_spi_device *spi, unsigned int address,
+			    const void *data, size_t len);
+
+#endif

drivers/dahdi/wcxb_spi.c

@@ -0,0 +1,386 @@
+/*
+ * wcxb SPI library
+ *
+ * Copyright (C) 2013 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
+#define DEBUG
+
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/device.h>
+#include <linux/completion.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+
+#include <linux/io.h>
+
+#include <dahdi/kernel.h>
+
+#include "wcxb_spi.h"
+
+#define BBIT(n) (1UL << (31UL - (n)))
+
+#define SPISRR	0x40
+#define SPISRR_RESET		0x0000000a /* Resets Device */
+
+#define SPICR			0x60
+#define SPICR_LSB_FIRST		BBIT(22) /* LSB First. 0=MSB first transfer */
+#define SPICR_MASTER_INHIBIT	BBIT(23) /* Master Transaction Inhibit */
+#define SPICR_SLAVE_SELECT	BBIT(24) /* Manual Slave Select Assert Enable */
+#define SPICR_RX_FIFO_RESET	BBIT(25) /* Receive FIFO Reset */
+#define SPICR_TX_FIFO_RESET	BBIT(26) /* Transmit FIFO Reset */
+#define SPICR_CPHA		BBIT(27) /* Clock Phase */
+#define SPICR_CPOL		BBIT(28) /* Clock Polarity 0=Active High */
+#define SPICR_MASTER		BBIT(29) /* Master Enable */
+#define SPICR_SPE		BBIT(30) /* SPI System Enable */
+#define SPICR_LOOP		BBIT(31) /* Local Loopback Mode */
+
+#define SPICR_START_TRANSFER	(SPICR_CPHA | SPICR_CPOL | \
+				 SPICR_MASTER | SPICR_SPE)
+#define SPICR_READY_TRANSFER	(SPICR_MASTER_INHIBIT | SPICR_START_TRANSFER)
+
+#define SPISR			0x64     /* SPI Status Register */
+#define SPISR_SLAVE_MODE_SEL	BBIT(26) /* Slave Mode Select Flag */
+#define SPISR_MODF		BBIT(27) /* Mode-Fault Error Flag */
+#define SPISR_TX_FULL		BBIT(28) /* Transmit FIFO Full */
+#define SPISR_TX_EMPTY		BBIT(29) /* Transmit FIFO Empty */
+#define SPISR_RX_FULL		BBIT(30) /* Receive FIFO Full */
+#define SPISR_RX_EMPTY		BBIT(31) /* Receive FIFO Empty */
+
+#define SPIDTR			0x68     /* SPI Data Transmit Register */
+#define SPIDRR			0x6c     /* SPI Data Receive Register */
+
+#define SPISSR			0x70     /* SPI Slave Select Register */
+
+#undef SUCCESS
+#define SUCCESS			0
+
+struct wcxb_spi_master {
+	struct device *parent;
+	struct list_head message_queue;
+	spinlock_t lock;
+	void __iomem *base;
+	struct wcxb_spi_message *cur_msg;
+	struct wcxb_spi_transfer *cur_transfer;
+	u16 bytes_left;
+	u16 bytes_in_fifo;
+	const u8 *cur_tx_byte;
+	u8 *cur_rx_byte;
+	u16 auto_cs:1;
+};
+
+static inline void _wcxb_assert_chip_select(struct wcxb_spi_master *master,
+					   unsigned int cs)
+{
+	const int cs_mask = ~(1UL << cs);
+	iowrite32be(cs_mask, master->base + SPISSR);
+	ioread32be(master->base + SPISSR);
+}
+
+static inline void _wcxb_clear_chip_select(struct wcxb_spi_master *master)
+{
+	iowrite32be(~(0), master->base + SPISSR);
+	ioread32(master->base + SPISSR);
+}
+
+static inline void wcxb_spi_reset_controller(struct wcxb_spi_master *master)
+{
+	u32 spicr = SPICR_READY_TRANSFER;
+	spicr |= (master->auto_cs) ? 0 : SPICR_SLAVE_SELECT;
+	iowrite32be(SPISRR_RESET, master->base + SPISRR);
+	iowrite32be(spicr, master->base + SPICR);
+	iowrite32be(0xffffffff, master->base + SPISSR);
+}
+
+struct wcxb_spi_master *wcxb_spi_master_create(struct device *parent,
+					       void __iomem *membase,
+					       bool auto_cs)
+{
+	struct wcxb_spi_master *master = NULL;
+	master = kzalloc(sizeof(struct wcxb_spi_master), GFP_KERNEL);
+	if (!master)
+		goto error_exit;
+
+	spin_lock_init(&master->lock);
+	INIT_LIST_HEAD(&master->message_queue);
+	master->base = membase;
+	master->parent = parent;
+
+	master->auto_cs = (auto_cs) ? 1 : 0;
+	wcxb_spi_reset_controller(master);
+	return master;
+
+error_exit:
+	kfree(master);
+	return NULL;
+}
+
+void wcxb_spi_master_destroy(struct wcxb_spi_master *master)
+{
+	struct wcxb_spi_message *m;
+	if (!master)
+		return;
+	while (!list_empty(&master->message_queue)) {
+		m = list_first_entry(&master->message_queue,
+				     struct wcxb_spi_message, node);
+		list_del(&m->node);
+		if (m->complete)
+			m->complete(m->arg);
+	}
+	kfree(master);
+	return;
+}
+
+static inline bool is_txfifo_empty(const struct wcxb_spi_master *master)
+{
+	return ((ioread32(master->base + SPISR) &
+		 cpu_to_be32(SPISR_TX_EMPTY)) > 0);
+}
+
+static const u8 DUMMY_TX = 0xff;
+static u8 DUMMY_RX;
+
+static void _wcxb_spi_transfer_to_fifo(struct wcxb_spi_master *master)
+{
+	const unsigned int FIFO_SIZE = 16;
+	u32 spicr;
+	while (master->bytes_left && master->bytes_in_fifo < FIFO_SIZE) {
+		iowrite32be(*master->cur_tx_byte, master->base + SPIDTR);
+		master->bytes_in_fifo++;
+		master->bytes_left--;
+		if (&DUMMY_TX != master->cur_tx_byte)
+			master->cur_tx_byte++;
+	}
+
+	spicr = (master->auto_cs) ? SPICR_START_TRANSFER :
+				    SPICR_START_TRANSFER | SPICR_SLAVE_SELECT;
+	iowrite32be(spicr, master->base + SPICR);
+}
+
+static void _wcxb_spi_transfer_from_fifo(struct wcxb_spi_master *master)
+{
+	u32 spicr;
+	while (master->bytes_in_fifo) {
+		*master->cur_rx_byte = ioread32be(master->base + SPIDRR);
+		if (&DUMMY_RX != master->cur_rx_byte)
+			master->cur_rx_byte++;
+		--master->bytes_in_fifo;
+	}
+
+	spicr = SPICR_START_TRANSFER;
+	spicr |= (master->auto_cs) ? 0 : SPICR_SLAVE_SELECT;
+	iowrite32be(spicr | SPICR_MASTER_INHIBIT, master->base + SPICR);
+}
+
+static void _wcxb_spi_start_transfer(struct wcxb_spi_master *master,
+				     struct wcxb_spi_transfer *t)
+{
+#ifdef DEBUG
+	if (!t || !master || (!t->tx_buf && !t->rx_buf) ||
+			master->cur_transfer) {
+		WARN_ON(1);
+		return;
+	}
+#endif
+
+	master->cur_transfer = t;
+	master->bytes_left = t->len;
+	master->cur_tx_byte = (t->tx_buf) ?: &DUMMY_TX;
+	master->cur_rx_byte = (t->rx_buf) ?: &DUMMY_RX;
+
+	_wcxb_spi_transfer_to_fifo(master);
+}
+
+/**
+ * _wcxb_spi_start_message - Start a new message transferring.
+ *
+ * Must be called with master->lock held.
+ *
+ */
+static int _wcxb_spi_start_message(struct wcxb_spi_master *master,
+				   struct wcxb_spi_message *message)
+{
+	struct wcxb_spi_transfer *t;
+
+	if (master->cur_msg) {
+		/* There is already a message in progress. Queue for later. */
+		list_add_tail(&message->node, &master->message_queue);
+		return 0;
+	}
+
+	if (!message->spi) {
+		dev_dbg(master->parent,
+			"Queueing message without SPI device specified?\n");
+		return -EINVAL;
+	};
+
+	master->cur_msg = message;
+
+	_wcxb_assert_chip_select(master, message->spi->chip_select);
+	t = list_first_entry(&message->transfers,
+			     struct wcxb_spi_transfer, node);
+	_wcxb_spi_start_transfer(master, t);
+
+	return 0;
+}
+
+/**
+ * wcxb_spi_complete_message - Complete the current message.
+ *
+ * Called after all transfers in current message have been completed. This will
+ * complete the current message and start the next queued message if there are
+ * any.
+ *
+ * Must be called with the master->lock held.
+ *
+ */
+static void _wcxb_spi_complete_cur_msg(struct wcxb_spi_master *master)
+{
+	struct wcxb_spi_message *message;
+	if (!master->cur_msg)
+		return;
+	message = master->cur_msg;
+	message->status = SUCCESS;
+	_wcxb_clear_chip_select(master);
+	master->cur_msg = NULL;
+	if (!list_empty(&master->message_queue)) {
+		message = list_first_entry(&master->message_queue,
+					   struct wcxb_spi_message, node);
+		list_del(&message->node);
+		_wcxb_spi_start_message(master, message);
+	}
+	return;
+}
+
+static inline bool
+_wcxb_spi_is_last_transfer(const struct wcxb_spi_transfer *t,
+			   const struct wcxb_spi_message *message)
+{
+	return t->node.next == &message->transfers;
+}
+
+static inline struct wcxb_spi_transfer *
+_wcxb_spi_next_transfer(struct wcxb_spi_transfer *t)
+{
+	return list_entry(t->node.next, struct wcxb_spi_transfer, node);
+}
+
+/**
+ * wcxb_spi_handle_interrupt - Drives the transfers forward.
+ *
+ * Doesn't necessarily need to be called in the context of a real interrupt, but
+ * should be called with interrupts disabled on the local CPU.
+ *
+ */
+void wcxb_spi_handle_interrupt(struct wcxb_spi_master *master)
+{
+	struct wcxb_spi_message *msg;
+	struct wcxb_spi_transfer *t;
+	void (*complete)(void *arg) = NULL;
+	unsigned long flags;
+
+	/* Check if we're not in the middle of a transfer, or not finished with
+	 * a part of one. */
+	spin_lock_irqsave(&master->lock, flags);
+
+	t = master->cur_transfer;
+	msg = master->cur_msg;
+
+	if (!msg || !is_txfifo_empty(master))
+		goto done;
+
+#ifdef DEBUG
+	if (!t) {
+		dev_dbg(master->parent,
+			"No current transfer in %s\n", __func__);
+		goto done;
+	}
+#endif
+
+	/* First read any data out of the receive FIFO into the current
+	 * transfer. */
+	_wcxb_spi_transfer_from_fifo(master);
+	if (master->bytes_left) {
+		/* The current transfer isn't finished. */
+		_wcxb_spi_transfer_to_fifo(master);
+		goto done;
+	}
+
+	/* The current transfer is finished. Check for another transfer in this
+	 * message or complete it and look for another message to start. */
+	master->cur_transfer = NULL;
+
+	if (_wcxb_spi_is_last_transfer(t, msg)) {
+		complete = msg->complete;
+		_wcxb_spi_complete_cur_msg(master);
+	} else {
+		t = _wcxb_spi_next_transfer(t);
+		_wcxb_spi_start_transfer(master, t);
+	}
+done:
+	spin_unlock_irqrestore(&master->lock, flags);
+	/* Do not call the complete call back under the bus lock. */
+	if (complete)
+		complete(msg->arg);
+	return;
+}
+
+int wcxb_spi_async(struct wcxb_spi_device *spi,
+		   struct wcxb_spi_message *message)
+{
+	int res;
+	unsigned long flags;
+	WARN_ON(!spi || !message || !spi->master);
+
+	if (list_empty(&message->transfers)) {
+		/* No transfers in this message? */
+		if (message->complete)
+			message->complete(message->arg);
+		message->status = -EINVAL;
+		return 0;
+	}
+	message->status = -EINPROGRESS;
+	message->spi = spi;
+	spin_lock_irqsave(&spi->master->lock, flags);
+	res = _wcxb_spi_start_message(spi->master, message);
+	spin_unlock_irqrestore(&spi->master->lock, flags);
+	return res;
+}
+
+static void wcxb_spi_complete_message(void *arg)
+{
+	complete((struct completion *)arg);
+}
+
+int wcxb_spi_sync(struct wcxb_spi_device *spi, struct wcxb_spi_message *message)
+{
+	DECLARE_COMPLETION_ONSTACK(done);
+	WARN_ON(!spi || !spi->master);
+	message->complete = wcxb_spi_complete_message;
+	message->arg = &done;
+	wcxb_spi_async(spi, message);
+
+	/* TODO: There has got to be a better way to do this. */
+	while (!try_wait_for_completion(&done)) {
+		wcxb_spi_handle_interrupt(spi->master);
+		cpu_relax();
+	}
+	return message->status;
+}

drivers/dahdi/wcxb_spi.h

@@ -0,0 +1,116 @@
+/*
+ * wcxb SPI library
+ *
+ * Copyright (C) 2013 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ */
+
+/*
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2 as published by the
+ * Free Software Foundation. See the LICENSE file included with
+ * this program for more details.
+ */
+
+#ifndef __WCXB_SPI_H
+#define __WCXB_SPI_H
+
+#include <linux/spi/spi.h>
+#include <stdbool.h>
+
+struct wcxb_spi_transfer {
+	const void	*tx_buf;
+	void		*rx_buf;
+	u32		len:16;
+	u16		delay_usecs;
+	struct list_head node;
+};
+
+struct wcxb_spi_message {
+	struct list_head transfers;
+	struct list_head node;
+	struct wcxb_spi_device *spi;
+	void (*complete)(void *arg);
+	void *arg;
+	int status;
+};
+
+struct wcxb_spi_master;
+
+struct wcxb_spi_device {
+	struct wcxb_spi_master *master;
+	u16 chip_select;
+};
+
+extern struct wcxb_spi_master *wcxb_spi_master_create(struct device *parent,
+					void __iomem *base, bool auto_cs);
+extern void wcxb_spi_master_destroy(struct wcxb_spi_master *master);
+extern int wcxb_spi_sync(struct wcxb_spi_device *spi,
+			 struct wcxb_spi_message *message);
+extern int wcxb_spi_async(struct wcxb_spi_device *spi,
+			  struct wcxb_spi_message *message);
+extern void wcxb_spi_handle_interrupt(struct wcxb_spi_master *master);
+
+static inline struct wcxb_spi_device *
+wcxb_spi_device_create(struct wcxb_spi_master *master, u16 chip_select)
+{
+	struct wcxb_spi_device *spi = kzalloc(sizeof(*spi), GFP_KERNEL);
+	if (!spi)
+		return NULL;
+	spi->master = master;
+	spi->chip_select = chip_select;
+	return spi;
+}
+
+static inline void wcxb_spi_device_destroy(struct wcxb_spi_device *spi)
+{
+	kfree(spi);
+}
+
+static inline void wcxb_spi_message_init(struct wcxb_spi_message *m)
+{
+	memset(m, 0, sizeof(*m));
+	INIT_LIST_HEAD(&m->transfers);
+}
+
+static inline void wcxb_spi_message_add_tail(struct wcxb_spi_transfer *t,
+					     struct wcxb_spi_message *m)
+{
+	list_add_tail(&t->node, &m->transfers);
+}
+
+static inline int
+wcxb_spi_write(struct wcxb_spi_device *spi, const void *buffer, size_t len)
+{
+	struct wcxb_spi_transfer	t = {
+			.tx_buf		= buffer,
+			.len		= len,
+		};
+	struct wcxb_spi_message	m;
+	wcxb_spi_message_init(&m);
+	wcxb_spi_message_add_tail(&t, &m);
+	return wcxb_spi_sync(spi, &m);
+}
+
+static inline int
+wcxb_spi_read(struct wcxb_spi_device *spi, void *buffer, size_t len)
+{
+	struct wcxb_spi_transfer	t = {
+			.rx_buf		= buffer,
+			.len		= len,
+		};
+	struct wcxb_spi_message	m;
+	wcxb_spi_message_init(&m);
+	wcxb_spi_message_add_tail(&t, &m);
+	return wcxb_spi_sync(spi, &m);
+}
+
+#endif

drivers/dahdi/xpp/card_bri.h

@@ -25,7 +25,7 @@
 #include "xpd.h"
 
 enum bri_opcodes {
-	XPROTO_NAME(BRI, SET_LED)			= 0x33,
+	XPROTO_NAME(BRI, SET_LED) = 0x33,
 };
 
-#endif	/* CARD_BRI_H */
+#endif /* CARD_BRI_H */

drivers/dahdi/xpp/card_echo.c

@@ -42,25 +42,20 @@ static DEF_PARM(int, debug, 0, 0644, "Print DBG statements");
 static bool echo_packet_is_valid(xpacket_t *pack);
 static void echo_packet_dump(const char *msg, xpacket_t *pack);
 
-DEF_RPACKET_DATA(ECHO, SET,
-	byte timeslots[ECHO_TIMESLOTS];
-	);
+DEF_RPACKET_DATA(ECHO, SET, __u8 timeslots[ECHO_TIMESLOTS];);
 
-DEF_RPACKET_DATA(ECHO, SET_REPLY,
-	byte status;
-	byte reserved;
-	);
+DEF_RPACKET_DATA(ECHO, SET_REPLY, __u8 status; __u8 reserved;);
 
 struct ECHO_priv_data {
 };
 
-static xproto_table_t	PROTO_TABLE(ECHO);
+static xproto_table_t PROTO_TABLE(ECHO);
 
 /*---------------- ECHO: Methods -------------------------------------------*/
 
 static xpd_t *ECHO_card_new(xbus_t *xbus, int unit, int subunit,
-		const xproto_table_t *proto_table, byte subtype,
-		int subunits, int subunit_ports, bool to_phone)
+			    const xproto_table_t *proto_table, __u8 subtype,
+			    int subunits, int subunit_ports, bool to_phone)
 {
 	xpd_t *xpd = NULL;
 	int channels = 0;
@@ -70,8 +65,9 @@ static xpd_t *ECHO_card_new(xbus_t *xbus, int unit, int subunit,
 		return NULL;
 	}
 	XBUS_DBG(GENERAL, xbus, "\n");
-	xpd = xpd_alloc(xbus, unit, subunit, subtype, subunits,
-		sizeof(struct ECHO_priv_data), proto_table, channels);
+	xpd =
+	    xpd_alloc(xbus, unit, subunit, subtype, subunits,
+		      sizeof(struct ECHO_priv_data), proto_table, channels);
 	if (!xpd)
 		return NULL;
 	xpd->type_name = "ECHO";
@@ -122,19 +118,17 @@ static int ECHO_card_register_reply(xbus_t *xbus, xpd_t *xpd, reg_cmd_t *info)
 		static int rate_limit;
 
 		if ((rate_limit++ % 1003) < 5)
-			notify_bad_xpd(__func__, xbus, addr,
-					orig_xpd->xpdname);
+			notify_bad_xpd(__func__, xbus, addr, orig_xpd->xpdname);
 		return -EPROTO;
 	}
 	spin_lock_irqsave(&xpd->lock, flags);
 	/* Update /proc info only if reply related to last reg read request */
-	if (
-			REG_FIELD(&xpd->requested_reply, regnum) ==
-				REG_FIELD(info, regnum) &&
-			REG_FIELD(&xpd->requested_reply, do_subreg) ==
-				REG_FIELD(info, do_subreg) &&
-			REG_FIELD(&xpd->requested_reply, subreg) ==
-				REG_FIELD(info, subreg)) {
+	if (REG_FIELD(&xpd->requested_reply, regnum) ==
+			REG_FIELD(info, regnum)
+		&& REG_FIELD(&xpd->requested_reply, do_subreg) ==
+			REG_FIELD(info, do_subreg)
+		&& REG_FIELD(&xpd->requested_reply, subreg) ==
+			REG_FIELD(info, subreg)) {
 		xpd->last_reply = *info;
 	}
 	spin_unlock_irqrestore(&xpd->lock, flags);
@@ -146,7 +140,7 @@ static int ECHO_card_register_reply(xbus_t *xbus, xpd_t *xpd, reg_cmd_t *info)
 static /* 0x39 */ HOSTCMD(ECHO, SET)
 {
 	struct xbus_echo_state *es;
-	byte *ts;
+	__u8 *ts;
 	xframe_t *xframe;
 	xpacket_t *pack;
 	int ret;
@@ -172,7 +166,7 @@ static int ECHO_ec_set(xpd_t *xpd, int pos, bool on)
 {
 	int ts_number;
 	int ts_mask;
-	byte *ts;
+	__u8 *ts;
 
 	ts = xpd->xbus->echo_state.timeslots;
 	/*
@@ -198,7 +192,7 @@ static int ECHO_ec_set(xpd_t *xpd, int pos, bool on)
 			ts[ts_number] &= ~ts_mask;
 	}
 	LINE_DBG(GENERAL, xpd, pos, "%s = %d -- ts_number=%d ts_mask=0x%X\n",
-		__func__, on, ts_number, ts_mask);
+		 __func__, on, ts_number, ts_mask);
 	return 0;
 }
 
@@ -207,7 +201,7 @@ static int ECHO_ec_get(xpd_t *xpd, int pos)
 	int ts_number;
 	int ts_mask;
 	int is_on;
-	byte *ts;
+	__u8 *ts;
 
 	ts = xpd->xbus->echo_state.timeslots;
 	ts_mask = (xpd->addr.unit == 0) ? 0x1 : 0x2;	/* Which bit? */
@@ -220,14 +214,14 @@ static int ECHO_ec_get(xpd_t *xpd, int pos)
 	}
 #if 0
 	LINE_DBG(GENERAL, xpd, pos, "ec_get=%d -- ts_number=%d ts_mask=0x%X\n",
-		is_on, ts_number, ts_mask);
+		 is_on, ts_number, ts_mask);
 #endif
 	return is_on;
 }
 
 static void ECHO_ec_dump(xbus_t *xbus)
 {
-	byte *ts;
+	__u8 *ts;
 	int i;
 
 	ts = xbus->echo_state.timeslots;
@@ -236,12 +230,11 @@ static void ECHO_ec_dump(xbus_t *xbus)
 			"EC-DUMP[%03d]: "
 			"0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X "
 			"0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X\n",
-			i,
-			ts[i+0], ts[i+1], ts[i+2], ts[i+3], ts[i+4], ts[i+5],
-				ts[i+6], ts[i+7],
-			ts[i+8], ts[i+9], ts[i+10], ts[i+11], ts[i+12],
-				ts[i+13], ts[i+14], ts[i+15]
-			);
+			i, ts[i + 0], ts[i + 1], ts[i + 2], ts[i + 3],
+			ts[i + 4], ts[i + 5], ts[i + 6], ts[i + 7], ts[i + 8],
+			ts[i + 9], ts[i + 10], ts[i + 11], ts[i + 12],
+			ts[i + 13], ts[i + 14], ts[i + 15]
+		    );
 	}
 }
 
@@ -255,7 +248,7 @@ static int ECHO_ec_update(xbus_t *xbus)
 /*---------------- ECHO: Astribank Reply Handlers --------------------------*/
 HANDLER_DEF(ECHO, SET_REPLY)
 {
-	byte	status;
+	__u8 status;
 
 	BUG_ON(!xpd);
 	status = RPACKET_FIELD(pack, ECHO, SET_REPLY, status);
@@ -263,26 +256,26 @@ HANDLER_DEF(ECHO, SET_REPLY)
 	return 0;
 }
 
-static const struct xops	echo_xops = {
-	.card_new		= ECHO_card_new,
-	.card_init		= ECHO_card_init,
-	.card_remove		= ECHO_card_remove,
-	.card_tick		= ECHO_card_tick,
-	.card_register_reply	= ECHO_card_register_reply,
+static const struct xops echo_xops = {
+	.card_new = ECHO_card_new,
+	.card_init = ECHO_card_init,
+	.card_remove = ECHO_card_remove,
+	.card_tick = ECHO_card_tick,
+	.card_register_reply = ECHO_card_register_reply,
 };
 
-static const struct echoops	echoops = {
-	.ec_set		= ECHO_ec_set,
-	.ec_get		= ECHO_ec_get,
-	.ec_update	= ECHO_ec_update,
-	.ec_dump	= ECHO_ec_dump,
+static const struct echoops echoops = {
+	.ec_set = ECHO_ec_set,
+	.ec_get = ECHO_ec_get,
+	.ec_update = ECHO_ec_update,
+	.ec_dump = ECHO_ec_dump,
 };
 
 static xproto_table_t PROTO_TABLE(ECHO) = {
 	.owner = THIS_MODULE,
 	.entries = {
-		/*	Table	Card	Opcode		*/
-		XENTRY(ECHO,	ECHO,	SET_REPLY),
+		/*      Table   Card    Opcode          */
+		XENTRY(	ECHO,	ECHO,	SET_REPLY	),
 	},
 	.name = "ECHO",
 	.ports_per_subunit = 1,
@@ -295,7 +288,7 @@ static xproto_table_t PROTO_TABLE(ECHO) = {
 
 static bool echo_packet_is_valid(xpacket_t *pack)
 {
-	const xproto_entry_t	*xe = NULL;
+	const xproto_entry_t *xe = NULL;
 	// DBG(GENERAL, "\n");
 	xe = xproto_card_entry(&PROTO_TABLE(ECHO), XPACKET_OP(pack));
 	return xe != NULL;
@@ -309,14 +302,14 @@ static void echo_packet_dump(const char *msg, xpacket_t *pack)
 /*------------------------- sysfs stuff --------------------------------*/
 static int echo_xpd_probe(struct device *dev)
 {
-	xpd_t	*ec_xpd;
-	int	ret = 0;
+	xpd_t *ec_xpd;
+	int ret = 0;
 
 	ec_xpd = dev_to_xpd(dev);
 	/* Is it our device? */
 	if (ec_xpd->type != XPD_TYPE_ECHO) {
-		XPD_ERR(ec_xpd, "drop suggestion for %s (%d)\n",
-			dev_name(dev), ec_xpd->type);
+		XPD_ERR(ec_xpd, "drop suggestion for %s (%d)\n", dev_name(dev),
+			ec_xpd->type);
 		return -EINVAL;
 	}
 	XPD_DBG(DEVICES, ec_xpd, "SYSFS\n");
@@ -325,23 +318,20 @@ static int echo_xpd_probe(struct device *dev)
 
 static int echo_xpd_remove(struct device *dev)
 {
-	xpd_t	*ec_xpd;
+	xpd_t *ec_xpd;
 
 	ec_xpd = dev_to_xpd(dev);
 	XPD_DBG(DEVICES, ec_xpd, "SYSFS\n");
 	return 0;
 }
 
-static struct xpd_driver	echo_driver = {
-	.type		= XPD_TYPE_ECHO,
-	.driver		= {
-		.name = "echo",
-#ifndef OLD_HOTPLUG_SUPPORT
-		.owner = THIS_MODULE,
-#endif
-		.probe = echo_xpd_probe,
-		.remove = echo_xpd_remove
-	}
+static struct xpd_driver echo_driver = {
+	.type = XPD_TYPE_ECHO,
+	.driver = {
+		   .name = "echo",
+		   .owner = THIS_MODULE,
+		   .probe = echo_xpd_probe,
+		   .remove = echo_xpd_remove}
 };
 
 static int __init card_echo_startup(void)

drivers/dahdi/xpp/card_echo.h

@@ -24,8 +24,8 @@
 #include "xpd.h"
 
 enum echo_opcodes {
-	XPROTO_NAME(ECHO, SET)		= 0x39,
-	XPROTO_NAME(ECHO, SET_REPLY)	= 0x3A,
+	XPROTO_NAME(ECHO, SET) = 0x39,
+	XPROTO_NAME(ECHO, SET_REPLY) = 0x3A,
 };
 
-#endif	/* CARD_ECHO_H */
+#endif /* CARD_ECHO_H */

drivers/dahdi/xpp/card_fxo.h

@@ -25,17 +25,16 @@
 #include "xpd.h"
 
 enum fxo_opcodes {
-	XPROTO_NAME(FXO, SIG_CHANGED)		= 0x06,
-/**/
-	XPROTO_NAME(FXO, DAA_WRITE)		= 0x0F,	/* Write to DAA */
-	XPROTO_NAME(FXO, CHAN_CID)		= 0x0F,	/* Write to DAA */
-	XPROTO_NAME(FXO, LED)			= 0x0F,	/* Write to DAA */
+	XPROTO_NAME(FXO, SIG_CHANGED) = 0x06,		/**/
+	XPROTO_NAME(FXO, DAA_WRITE) = 0x0F,		/* Write to DAA */
+	XPROTO_NAME(FXO, CHAN_CID) = 0x0F,		/* Write to DAA */
+	XPROTO_NAME(FXO, LED) = 0x0F,			/* Write to DAA */
 };
 
 
 DEF_RPACKET_DATA(FXO, SIG_CHANGED,
-	xpp_line_t	sig_status;	/* channels: lsb=1, msb=8 */
-	xpp_line_t	sig_toggles;	/* channels: lsb=1, msb=8 */
-	);
+		xpp_line_t sig_status;	/* channels: lsb=1, msb=8 */
+		xpp_line_t sig_toggles;	/* channels: lsb=1, msb=8 */
+		);
 
-#endif	/* CARD_FXO_H */
+#endif /* CARD_FXO_H */

drivers/dahdi/xpp/card_fxs.h

@@ -25,17 +25,15 @@
 #include "xpd.h"
 
 enum fxs_opcodes {
-	XPROTO_NAME(FXS, SIG_CHANGED)		= 0x06,
-/**/
-	XPROTO_NAME(FXS, CHAN_POWER)		= 0x0F,	/* Write to SLIC */
-	XPROTO_NAME(FXS, CHAN_CID)		= 0x0F,	/* Write to SLIC */
-	XPROTO_NAME(FXS, LED)			= 0x0F,	/* Write to SLIC */
+	XPROTO_NAME(FXS, SIG_CHANGED) = 0x06,
+	 /**/ XPROTO_NAME(FXS, CHAN_POWER) = 0x0F,	/* Write to SLIC */
+	XPROTO_NAME(FXS, CHAN_CID) = 0x0F,	/* Write to SLIC */
+	XPROTO_NAME(FXS, LED) = 0x0F,	/* Write to SLIC */
 };
 
-
 DEF_RPACKET_DATA(FXS, SIG_CHANGED,
-	xpp_line_t	sig_status;	/* channels: lsb=1, msb=8 */
-	xpp_line_t	sig_toggles;	/* channels: lsb=1, msb=8 */
-	);
+		xpp_line_t sig_status;	/* channels: lsb=1, msb=8 */
+		xpp_line_t sig_toggles;	/* channels: lsb=1, msb=8 */
+		);
 
-#endif	/* CARD_FXS_H */
+#endif /* CARD_FXS_H */

drivers/dahdi/xpp/card_global.c

@@ -22,6 +22,7 @@
 
 #include <linux/module.h>
 #include <linux/delay.h>
+#include <linux/kmod.h>
 #include "xdefs.h"
 #include "xpd.h"
 #include "xpp_dahdi.h"
@@ -32,21 +33,22 @@
 
 static const char rcsid[] = "$Id$";
 
-DEF_PARM(charp,initdir, "/usr/share/dahdi", 0644, "The directory of card initialization scripts");
+DEF_PARM(charp, initdir, "/usr/share/dahdi", 0644,
+	 "The directory of card initialization scripts");
 
 #define	CHIP_REGISTERS	"chipregs"
 
-extern	int debug;
+extern int debug;
 
 /*---------------- GLOBAL PROC handling -----------------------------------*/
 
-static int send_magic_request(xbus_t *xbus,
-	unsigned unit, xportno_t portno, bool eoftx)
+static int send_magic_request(xbus_t *xbus, unsigned unit, xportno_t portno,
+			      bool eoftx)
 {
-	xframe_t	*xframe;
-	xpacket_t	*pack;
-	reg_cmd_t	*reg_cmd;
-	int		ret;
+	xframe_t *xframe;
+	xpacket_t *pack;
+	reg_cmd_t *reg_cmd;
+	int ret;
 
 	/*
 	 * Zero length multibyte is legal and has special meaning for the
@@ -65,203 +67,210 @@ static int send_magic_request(xbus_t *xbus,
 		dump_xframe(__func__, xbus, xframe, debug);
 	ret = send_cmd_frame(xbus, xframe);
 	if (ret < 0)
-		PORT_ERR(xbus, unit, portno,
-			"%s: failed sending xframe\n", __func__);
+		PORT_ERR(xbus, unit, portno, "%s: failed sending xframe\n",
+			 __func__);
 	return ret;
 }
 
 static int parse_hexbyte(const char *buf)
 {
-	char		*endp;
-	unsigned	val;
+	char *endp;
+	unsigned val;
 
 	val = simple_strtoul(buf, &endp, 16);
-	if(*endp != '\0' || val > 0xFF)
+	if (*endp != '\0' || val > 0xFF)
 		return -EBADR;
-	return (byte)val;
+	return (__u8)val;
 }
 
 static int execute_chip_command(xpd_t *xpd, const int argc, char *argv[])
 {
-	int			argno;
-	char			num_args;
-	int			portno;
-	bool			writing;
-	int			op;		/* [W]rite, [R]ead */
-	int			addr_mode;	/* [D]irect, [I]ndirect, [Mm]ulti */
-	bool			do_subreg = 0;
-	int			regnum;
-	int			subreg;
-	int			data_low;
-	bool			do_datah;
-	int			data_high;
-	int			ret = -EBADR;
+	int argno;
+	char num_args;
+	int portno;
+	bool writing;
+	int op;			/* [W]rite, [R]ead */
+	int addr_mode;		/* [D]irect, [I]ndirect, [Mm]ulti */
+	bool do_subreg = 0;
+	int regnum;
+	int subreg;
+	int data_low;
+	bool do_datah;
+	int data_high;
+	int ret = -EBADR;
 
-	num_args = 2;	/* port + operation */
-	if(argc < num_args) {
+	num_args = 2;		/* port + operation */
+	if (argc < num_args) {
 		XPD_ERR(xpd, "Not enough arguments (%d)\n", argc);
 		XPD_ERR(xpd,
-				"Any Command is composed of at least %d words (got only %d)\n",
-				num_args, argc);
+			"Any Command is composed of at least %d words "
+			"(got only %d)\n",
+			num_args, argc);
 		goto out;
 	}
 	/* Process the arguments */
 	argno = 0;
-	if(strcmp(argv[argno], "*") == 0) {
+	if (strcmp(argv[argno], "*") == 0) {
 		portno = PORT_BROADCAST;
 		//XPD_DBG(REGS, xpd, "Port broadcast\n");
 	} else {
 		portno = parse_hexbyte(argv[argno]);
-		if(portno < 0 || portno >= 8) {
+		if (portno < 0 || portno >= 8) {
 			XPD_ERR(xpd, "Illegal port number '%s'\n", argv[argno]);
 			goto out;
 		}
 		//XPD_DBG(REGS, xpd, "Port is %d\n", portno);
 	}
 	argno++;
-	if(strlen(argv[argno]) != 2) {
+	if (strlen(argv[argno]) != 2) {
 		XPD_ERR(xpd, "Wrong operation codes '%s'\n", argv[argno]);
 		goto out;
 	}
 	op = argv[argno][0];
-	switch(op) {
-		case 'W':
-			writing = 1;
-			num_args++;	/* data low */
-			//XPD_DBG(REGS, xpd, "WRITING\n");
-			break;
-		case 'R':
-			writing = 0;
-			//XPD_DBG(REGS, xpd, "READING\n");
-			break;
-		default:
-			XPD_ERR(xpd, "Unknown operation type '%c'\n", op);
-			goto out;
+	switch (op) {
+	case 'W':
+		writing = 1;
+		num_args++;	/* data low */
+		//XPD_DBG(REGS, xpd, "WRITING\n");
+		break;
+	case 'R':
+		writing = 0;
+		//XPD_DBG(REGS, xpd, "READING\n");
+		break;
+	default:
+		XPD_ERR(xpd, "Unknown operation type '%c'\n", op);
+		goto out;
 	}
 	addr_mode = argv[argno][1];
-	switch(addr_mode) {
-		case 'I':
-			XPD_NOTICE(xpd, "'I' is deprecated in register commands. Use 'S' instead.\n");
-			/* fall through */
-		case 'S':
-			do_subreg = 1;
-			num_args += 2;	/* register + subreg */
-			//XPD_DBG(REGS, xpd, "SUBREG\n");
-			break;
-		case 'D':
-			do_subreg = 0;
-			num_args++;	/* register */
-			//XPD_DBG(REGS, xpd, "DIRECT\n");
-			break;
-		case 'M':
-		case 'm':
-			if(op != 'W') {
-				XPD_ERR(xpd,
-						"Can use Multibyte (%c) only with op 'W'\n", addr_mode);
-				goto out;
-			}
-			num_args--;	/* No data low */
-			//XPD_DBG(REGS, xpd, "Multibyte (%c)\n", addr_mode);
-			break;
-		default:
-			XPD_ERR(xpd, "Unknown addressing type '%c'\n", addr_mode);
+	switch (addr_mode) {
+	case 'I':
+		XPD_NOTICE(xpd,
+			"'I' is deprecated in register commands. "
+			"Use 'S' instead.\n");
+		/* fall through */
+	case 'S':
+		do_subreg = 1;
+		num_args += 2;	/* register + subreg */
+		//XPD_DBG(REGS, xpd, "SUBREG\n");
+		break;
+	case 'D':
+		do_subreg = 0;
+		num_args++;	/* register */
+		//XPD_DBG(REGS, xpd, "DIRECT\n");
+		break;
+	case 'M':
+	case 'm':
+		if (op != 'W') {
+			XPD_ERR(xpd,
+				"Can use Multibyte (%c) only with op 'W'\n",
+				addr_mode);
 			goto out;
+		}
+		num_args--;	/* No data low */
+		//XPD_DBG(REGS, xpd, "Multibyte (%c)\n", addr_mode);
+		break;
+	default:
+		XPD_ERR(xpd, "Unknown addressing type '%c'\n", addr_mode);
+		goto out;
 	}
-	if(argv[argno][2] != '\0') {
+	if (argv[argno][2] != '\0') {
 		XPD_ERR(xpd, "Bad operation field '%s'\n", argv[argno]);
 		goto out;
 	}
-	if(argc < num_args) {
+	if (argc < num_args) {
 		XPD_ERR(xpd,
-				"Command \"%s\" is composed of at least %d words (got only %d)\n",
-				argv[argno], num_args, argc);
+			"Command \"%s\" is composed of at least %d words "
+			"(got only %d)\n",
+			argv[argno], num_args, argc);
 		goto out;
 	}
 	argno++;
-	if(addr_mode == 'M' || addr_mode == 'm') {
-		if(argno < argc) {
+	if (addr_mode == 'M' || addr_mode == 'm') {
+		if (argno < argc) {
 			XPD_ERR(xpd,
-					"Magic-Multibyte(%c) with %d extra arguments\n",
-					addr_mode, argc - argno);
+				"Magic-Multibyte(%c) with %d extra arguments\n",
+				addr_mode, argc - argno);
 			goto out;
 		}
-		ret = send_magic_request(xpd->xbus, xpd->addr.unit, portno,
-			addr_mode == 'm');
+		ret =
+		    send_magic_request(xpd->xbus, xpd->addr.unit, portno,
+				       addr_mode == 'm');
 		goto out;
 	}
 	/* Normal (non-Magic) register commands */
 	do_datah = 0;
-	if(argno >= argc) {
+	if (argno >= argc) {
 		XPD_ERR(xpd, "Missing register number\n");
 		goto out;
 	}
 	regnum = parse_hexbyte(argv[argno]);
-	if(regnum < 0) {
+	if (regnum < 0) {
 		XPD_ERR(xpd, "Illegal register number '%s'\n", argv[argno]);
 		goto out;
 	}
 	//XPD_DBG(REGS, xpd, "Register is %X\n", regnum);
 	argno++;
-	if(do_subreg) {
-		if(argno >= argc) {
+	if (do_subreg) {
+		if (argno >= argc) {
 			XPD_ERR(xpd, "Missing subregister number\n");
 			goto out;
 		}
 		subreg = parse_hexbyte(argv[argno]);
-		if(subreg < 0) {
-			XPD_ERR(xpd, "Illegal subregister number '%s'\n", argv[argno]);
+		if (subreg < 0) {
+			XPD_ERR(xpd, "Illegal subregister number '%s'\n",
+				argv[argno]);
 			goto out;
 		}
 		//XPD_DBG(REGS, xpd, "Subreg is %X\n", subreg);
 		argno++;
 	} else
 		subreg = 0;
-	if(writing) {
-		if(argno >= argc) {
+	if (writing) {
+		if (argno >= argc) {
 			XPD_ERR(xpd, "Missing data low number\n");
 			goto out;
 		}
 		data_low = parse_hexbyte(argv[argno]);
-		if(data_low < 0) {
-			XPD_ERR(xpd, "Illegal data_low number '%s'\n", argv[argno]);
+		if (data_low < 0) {
+			XPD_ERR(xpd, "Illegal data_low number '%s'\n",
+				argv[argno]);
 			goto out;
 		}
 		//XPD_DBG(REGS, xpd, "Data Low is %X\n", data_low);
 		argno++;
 	} else
 		data_low = 0;
-	if(argno < argc) {
+	if (argno < argc) {
 		do_datah = 1;
-		if(!argv[argno]) {
+		if (!argv[argno]) {
 			XPD_ERR(xpd, "Missing data high number\n");
 			goto out;
 		}
 		data_high = parse_hexbyte(argv[argno]);
-		if(data_high < 0) {
-			XPD_ERR(xpd, "Illegal data_high number '%s'\n", argv[argno]);
+		if (data_high < 0) {
+			XPD_ERR(xpd, "Illegal data_high number '%s'\n",
+				argv[argno]);
 			goto out;
 		}
 		//XPD_DBG(REGS, xpd, "Data High is %X\n", data_high);
 		argno++;
 	} else
 		data_high = 0;
-	if(argno < argc) {
-		XPD_ERR(xpd,
-				"Command contains an extra %d argument\n",
-				argc - argno);
+	if (argno < argc) {
+		XPD_ERR(xpd, "Command contains an extra %d argument\n",
+			argc - argno);
 		goto out;
 	}
 #if 0
 	XPD_DBG(REGS, xpd,
-			"portno=%d writing=%d regnum=%d do_subreg=%d subreg=%d dataL=%d do_datah=%d dataH=%d\n",
-			portno,		/* portno	*/
-			writing,	/* writing	*/
-			regnum,
-			do_subreg,	/* use subreg	*/
-			subreg, 	/* subreg	*/
-			data_low,
-			do_datah,	/* use data_high*/
-			data_high);
+		"portno=%d writing=%d regnum=%d do_subreg=%d subreg=%d "
+		"dataL=%d do_datah=%d dataH=%d\n",
+		portno,			/* portno       */
+		writing,		/* writing      */
+		regnum, do_subreg,	/* use subreg   */
+		subreg,			/* subreg       */
+		data_low, do_datah,	/* use data_high */
+		data_high);
 #endif
 	ret = xpp_register_request(xpd->xbus, xpd, portno,
 		writing, regnum, do_subreg, subreg,
@@ -270,36 +279,38 @@ out:
 	return ret;
 }
 
+#define	MAX_ARGS	10
+
 int parse_chip_command(xpd_t *xpd, char *cmdline)
 {
-	xbus_t			*xbus;
-	int			ret = -EBADR;
-	byte			buf[MAX_PROC_WRITE];
-	char			*str;
-	char			*p;
-	static const int	MAX_ARGS = 10;
-	char			*argv[MAX_ARGS + 1];
-	int			argc;
-	int			i;
+	xbus_t *xbus;
+	int ret = -EBADR;
+	__u8 buf[MAX_PROC_WRITE];
+	char *str;
+	char *p;
+	char *argv[MAX_ARGS + 1];
+	int argc;
+	int i;
 
 	BUG_ON(!xpd);
 	xbus = xpd->xbus;
-	if(!XBUS_FLAGS(xbus, CONNECTED)) {
+	if (!XBUS_FLAGS(xbus, CONNECTED)) {
 		XBUS_DBG(GENERAL, xbus, "Dropped packet. Disconnected.\n");
 		return -EBUSY;
 	}
 	strlcpy(buf, cmdline, MAX_PROC_WRITE);	/* Save a copy */
-	if(buf[0] == '#' || buf[0] == ';')
+	if (buf[0] == '#' || buf[0] == ';')
 		XPD_DBG(REGS, xpd, "Note: '%s'\n", buf);
-	if((p = strchr(buf, '#')) != NULL)	/* Truncate comments */
+	if ((p = strchr(buf, '#')) != NULL)	/* Truncate comments */
 		*p = '\0';
-	if((p = strchr(buf, ';')) != NULL)	/* Truncate comments */
+	if ((p = strchr(buf, ';')) != NULL)	/* Truncate comments */
 		*p = '\0';
-	for(p = buf; *p && (*p == ' ' || *p == '\t'); p++) /* Trim leading whitespace */
+	/* Trim leading whitespace */
+	for (p = buf; *p && (*p == ' ' || *p == '\t'); p++)
 		;
 	str = p;
-	for(i = 0; (p = strsep(&str, " \t")) != NULL && i < MAX_ARGS; ) {
-		if(*p != '\0') {
+	for (i = 0; (p = strsep(&str, " \t")) != NULL && i < MAX_ARGS;) {
+		if (*p != '\0') {
 			argv[i] = p;
 			// XPD_DBG(REGS, xpd, "ARG %d = '%s'\n", i, p);
 			i++;
@@ -307,11 +318,12 @@ int parse_chip_command(xpd_t *xpd, char *cmdline)
 	}
 	argv[i] = NULL;
 	argc = i;
-	if(p) {
-		XPD_ERR(xpd, "Too many words (%d) to process. Last was '%s'\n", i, p);
+	if (p) {
+		XPD_ERR(xpd, "Too many words (%d) to process. Last was '%s'\n",
+			i, p);
 		goto out;
 	}
-	if(argc)
+	if (argc)
 		ret = execute_chip_command(xpd, argc, argv);
 	else
 		ret = 0;	/* empty command - no op */
@@ -328,11 +340,11 @@ static void global_packet_dump(const char *msg, xpacket_t *pack);
 
 /* 0x07 */ HOSTCMD(GLOBAL, AB_REQUEST)
 {
-	int		ret = -ENODEV;
-	xframe_t	*xframe;
-	xpacket_t	*pack;
+	int ret = -ENODEV;
+	xframe_t *xframe;
+	xpacket_t *pack;
 
-	if(!xbus) {
+	if (!xbus) {
 		DBG(DEVICES, "NO XBUS\n");
 		return -EINVAL;
 	}
@@ -342,33 +354,35 @@ static void global_packet_dump(const char *msg, xpacket_t *pack);
 	RPACKET_FIELD(pack, GLOBAL, AB_REQUEST, rev) = XPP_PROTOCOL_VERSION;
 	RPACKET_FIELD(pack, GLOBAL, AB_REQUEST, reserved) = 0;
 	XBUS_DBG(DEVICES, xbus, "Protocol Version %d\n", XPP_PROTOCOL_VERSION);
-	if(xbus_setstate(xbus, XBUS_STATE_SENT_REQUEST))
+	if (xbus_setstate(xbus, XBUS_STATE_SENT_REQUEST))
 		ret = send_cmd_frame(xbus, xframe);
 	return ret;
 }
 
 int xpp_register_request(xbus_t *xbus, xpd_t *xpd, xportno_t portno,
-	bool writing, byte regnum, bool do_subreg, byte subreg,
-	byte data_low, bool do_datah, byte data_high, bool should_reply)
+			 bool writing, __u8 regnum, bool do_subreg, __u8 subreg,
+			 __u8 data_low, bool do_datah, __u8 data_high,
+			 bool should_reply)
 {
-	int		ret = 0;
-	xframe_t	*xframe;
-	xpacket_t	*pack;
-	reg_cmd_t	*reg_cmd;
+	int ret = 0;
+	xframe_t *xframe;
+	xpacket_t *pack;
+	reg_cmd_t *reg_cmd;
 
-	if(!xbus) {
+	if (!xbus) {
 		DBG(REGS, "NO XBUS\n");
 		return -EINVAL;
 	}
-	XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, REGISTER_REQUEST, xpd->xbus_idx);
+	XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, REGISTER_REQUEST,
+		       xpd->xbus_idx);
 	LINE_DBG(REGS, xpd, portno, "%c%c %02X %02X %02X %02X\n",
-			(writing)?'W':'R',
-			(do_subreg)?'S':'D',
-			regnum, subreg, data_low, data_high);
+		 (writing) ? 'W' : 'R', (do_subreg) ? 'S' : 'D', regnum, subreg,
+		 data_low, data_high);
 	reg_cmd = &RPACKET_FIELD(pack, GLOBAL, REGISTER_REQUEST, reg_cmd);
-	reg_cmd->bytes = sizeof(*reg_cmd) - 1;	// do not count the 'bytes' field
+	/* do not count the 'bytes' field */
+	reg_cmd->bytes = sizeof(*reg_cmd) - 1;
 	reg_cmd->is_multibyte = 0;
-	if(portno == PORT_BROADCAST) {
+	if (portno == PORT_BROADCAST) {
 		reg_cmd->portnum = 0;
 		REG_FIELD(reg_cmd, all_ports_broadcast) = 1;
 	} else {
@@ -384,14 +398,15 @@ int xpp_register_request(xbus_t *xbus, xpd_t *xpd, xportno_t portno,
 	REG_FIELD(reg_cmd, do_datah) = do_datah;
 	REG_FIELD(reg_cmd, data_low) = data_low;
 	REG_FIELD(reg_cmd, data_high) = data_high;
-	if(should_reply)
+	if (should_reply)
 		xpd->requested_reply = *reg_cmd;
-	if(debug & DBG_REGS) {
-		dump_reg_cmd("REG_REQ", 1, xbus, xpd->addr.unit, reg_cmd->portnum, reg_cmd);
+	if (debug & DBG_REGS) {
+		dump_reg_cmd("REG_REQ", 1, xbus, xpd->addr.unit,
+			     reg_cmd->portnum, reg_cmd);
 		dump_packet("REG_REQ", pack, 1);
 	}
-	if(!xframe->usec_towait) {	/* default processing time of SPI */
-		if(subreg)
+	if (!xframe->usec_towait) {	/* default processing time of SPI */
+		if (subreg)
 			xframe->usec_towait = 2000;
 		else
 			xframe->usec_towait = 1000;
@@ -399,18 +414,19 @@ int xpp_register_request(xbus_t *xbus, xpd_t *xpd, xportno_t portno,
 	ret = send_cmd_frame(xbus, xframe);
 	return ret;
 }
+EXPORT_SYMBOL(xpp_register_request);
 
 /*
  * The XPD parameter is totaly ignored by the driver and firmware as well.
  */
 /* 0x19 */ HOSTCMD(GLOBAL, SYNC_SOURCE, enum sync_mode mode, int drift)
 {
-	xframe_t	*xframe;
-	xpacket_t	*pack;
-	const char	*mode_name;
+	xframe_t *xframe;
+	xpacket_t *pack;
+	const char *mode_name;
 
 	BUG_ON(!xbus);
-	if((mode_name = sync_mode_name(mode)) == NULL) {
+	if ((mode_name = sync_mode_name(mode)) == NULL) {
 		XBUS_ERR(xbus, "SYNC_SOURCE: bad sync_mode=0x%X\n", mode);
 		return -EINVAL;
 	}
@@ -422,19 +438,37 @@ int xpp_register_request(xbus_t *xbus, xpd_t *xpd, xportno_t portno,
 	return 0;
 }
 
-/* 0x23 */ HOSTCMD(GLOBAL, RESET_SYNC_COUNTERS)
+/*
+ * Wrapper for different types of xbus reset
+ */
+static int send_xbus_reset(xbus_t *xbus, uint8_t reset_mask)
 {
-	xframe_t	*xframe;
-	xpacket_t	*pack;
+	xframe_t *xframe;
+	xpacket_t *pack;
 
 	BUG_ON(!xbus);
-	//XBUS_DBG(SYNC, xbus, "\n");
-	XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, RESET_SYNC_COUNTERS, 0);
-	RPACKET_FIELD(pack, GLOBAL, RESET_SYNC_COUNTERS, mask) = 0x10;
+	XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, XBUS_RESET, 0);
+	RPACKET_FIELD(pack, GLOBAL, XBUS_RESET, mask) = reset_mask;
 	send_cmd_frame(xbus, xframe);
 	return 0;
 }
 
+/* 0x23 */ HOSTCMD(GLOBAL, RESET_SPI)
+{
+	XBUS_DBG(DEVICES, xbus, "Sending SPI reset\n");
+	/* toggle reset line */
+	send_xbus_reset(xbus, 0x04);
+	send_xbus_reset(xbus, 0x00);
+	return 0;
+}
+
+
+/* 0x23 */ HOSTCMD(GLOBAL, RESET_SYNC_COUNTERS)
+{
+	//XBUS_DBG(SYNC, xbus, "\n");
+	return send_xbus_reset(xbus, 0x10);
+}
+
 /*---------------- GLOBAL: Astribank Reply Handlers -----------------------*/
 
 HANDLER_DEF(GLOBAL, NULL_REPLY)
@@ -443,14 +477,14 @@ HANDLER_DEF(GLOBAL, NULL_REPLY)
 	return 0;
 }
 
-HANDLER_DEF(GLOBAL, AB_DESCRIPTION)	/* 0x08 */
-{
-	struct xbus_workqueue	*worker;
-	byte			rev;
-	struct unit_descriptor	*units;
-	int			count_units;
-	int			i;
-	int			ret = 0;
+HANDLER_DEF(GLOBAL, AB_DESCRIPTION)
+{				/* 0x08 */
+	struct xbus_workqueue *worker;
+	__u8 rev;
+	struct unit_descriptor *units;
+	int count_units;
+	int i;
+	int ret = 0;
 
 	if (!xbus) {
 		NOTICE("%s: xbus is gone!!!\n", __func__);
@@ -458,31 +492,36 @@ HANDLER_DEF(GLOBAL, AB_DESCRIPTION)	/* 0x08 */
 	}
 	rev = RPACKET_FIELD(pack, GLOBAL, AB_DESCRIPTION, rev);
 	units = RPACKET_FIELD(pack, GLOBAL, AB_DESCRIPTION, unit_descriptor);
-	count_units = XPACKET_LEN(pack) - ((byte *)units - (byte *)pack);
+	count_units = XPACKET_LEN(pack) - ((__u8 *)units - (__u8 *)pack);
 	count_units /= sizeof(*units);
-	if(rev != XPP_PROTOCOL_VERSION) {
+	if (rev != XPP_PROTOCOL_VERSION) {
 		XBUS_NOTICE(xbus, "Bad protocol version %d (should be %d)\n",
-			rev, XPP_PROTOCOL_VERSION);
+			    rev, XPP_PROTOCOL_VERSION);
 		ret = -EPROTO;
 		goto proto_err;
 	}
-	if(count_units > NUM_UNITS) {
+	if (count_units > NUM_UNITS) {
 		XBUS_NOTICE(xbus, "Too many units %d (should be %d)\n",
-			count_units, NUM_UNITS);
+			    count_units, NUM_UNITS);
 		ret = -EPROTO;
 		goto proto_err;
 	}
-	if(count_units <= 0) {
-		XBUS_NOTICE(xbus, "Empty astribank? (%d units)\n",
-			count_units);
+	if (count_units <= 0) {
+		XBUS_NOTICE(xbus, "Empty astribank? (%d units)\n", count_units);
 		ret = -EPROTO;
 		goto proto_err;
 	}
-	if(!xbus_setstate(xbus, XBUS_STATE_RECVD_DESC)) {
+	if (units[0].addr.unit != 0 || units[0].addr.subunit != 0) {
+		XBUS_NOTICE(xbus, "No first module. Astribank unusable.\n");
 		ret = -EPROTO;
 		goto proto_err;
 	}
-	XBUS_INFO(xbus, "DESCRIPTOR: %d cards, protocol revision %d\n", count_units, rev);
+	if (!xbus_setstate(xbus, XBUS_STATE_RECVD_DESC)) {
+		ret = -EPROTO;
+		goto proto_err;
+	}
+	XBUS_INFO(xbus, "DESCRIPTOR: %d cards, protocol revision %d\n",
+		  count_units, rev);
 	if (xbus_check_unique(xbus))
 		return -EBUSY;
 	xbus->revision = rev;
@@ -492,12 +531,14 @@ HANDLER_DEF(GLOBAL, AB_DESCRIPTION)	/* 0x08 */
 		ret = -ENODEV;
 		goto out;
 	}
-	for(i = 0; i < count_units; i++) {
-		struct unit_descriptor	*this_unit = &units[i];
-		struct card_desc_struct	*card_desc;
-		unsigned long		flags;
+	for (i = 0; i < count_units; i++) {
+		struct unit_descriptor *this_unit = &units[i];
+		struct card_desc_struct *card_desc;
+		unsigned long flags;
 
-		if((card_desc = KZALLOC(sizeof(struct card_desc_struct), GFP_ATOMIC)) == NULL) {
+		if ((card_desc =
+		     KZALLOC(sizeof(struct card_desc_struct),
+			     GFP_ATOMIC)) == NULL) {
 			XBUS_ERR(xbus, "Card description allocation failed.\n");
 			ret = -ENOMEM;
 			goto out;
@@ -510,28 +551,29 @@ HANDLER_DEF(GLOBAL, AB_DESCRIPTION)	/* 0x08 */
 		card_desc->numchips = this_unit->numchips;
 		card_desc->ports_per_chip = this_unit->ports_per_chip;
 		card_desc->port_dir = this_unit->port_dir;
-		card_desc->ports = card_desc->numchips * card_desc->ports_per_chip;
-		XBUS_INFO(xbus, "    CARD %d type=%d.%d ports=%d (%dx%d), port-dir=0x%02X\n",
-				card_desc->xpd_addr.unit,
-				card_desc->type,
-				card_desc->subtype,
-				card_desc->ports,
-				card_desc->numchips,
-				card_desc->ports_per_chip,
-				card_desc->port_dir
-				);
+		card_desc->ports =
+		    card_desc->numchips * card_desc->ports_per_chip;
+		XBUS_INFO(xbus,
+			"    CARD %d type=%d.%d ports=%d (%dx%d), "
+			"port-dir=0x%02X\n",
+			card_desc->xpd_addr.unit, card_desc->type,
+			card_desc->subtype, card_desc->ports,
+			card_desc->numchips, card_desc->ports_per_chip,
+			card_desc->port_dir);
 		spin_lock_irqsave(&worker->worker_lock, flags);
 		worker->num_units++;
 		XBUS_COUNTER(xbus, UNITS)++;
 		list_add_tail(&card_desc->card_list, &worker->card_list);
 		spin_unlock_irqrestore(&worker->worker_lock, flags);
 	}
+	CALL_PROTO(GLOBAL, RESET_SPI, xbus, NULL);
 	if (!xbus_process_worker(xbus)) {
 		ret = -ENODEV;
 		goto out;
 	}
 	goto out;
 proto_err:
+	xbus_setstate(xbus, XBUS_STATE_FAIL);
 	dump_packet("AB_DESCRIPTION", pack, DBG_ANY);
 out:
 	return ret;
@@ -539,21 +581,23 @@ out:
 
 HANDLER_DEF(GLOBAL, REGISTER_REPLY)
 {
-	reg_cmd_t		*reg = &RPACKET_FIELD(pack, GLOBAL, REGISTER_REPLY, regcmd);
+	reg_cmd_t *reg = &RPACKET_FIELD(pack, GLOBAL, REGISTER_REPLY, regcmd);
 
-	if(!xpd) {
-		static int	rate_limit;
+	if (!xpd) {
+		static int rate_limit;
 
-		if((rate_limit++ % 1003) < 5)
-			notify_bad_xpd(__FUNCTION__, xbus, XPACKET_ADDR(pack), "");
+		if ((rate_limit++ % 1003) < 5)
+			notify_bad_xpd(__func__, xbus, XPACKET_ADDR(pack), "");
 		return -EPROTO;
 	}
-	if(debug & DBG_REGS) {
-		dump_reg_cmd("REG_REPLY", 0, xbus, xpd->addr.unit, reg->portnum, reg);
+	if (debug & DBG_REGS) {
+		dump_reg_cmd("REG_REPLY", 0, xbus, xpd->addr.unit, reg->portnum,
+			     reg);
 		dump_packet("REG_REPLY", pack, 1);
 	}
-	if (! XMETHOD(card_register_reply, xpd)) {
-		XPD_ERR(xpd, "REGISTER_REPLY: without card_register_reply() method\n");
+	if (!XMETHOD(card_register_reply, xpd)) {
+		XPD_ERR(xpd,
+			"REGISTER_REPLY: missing card_register_reply()\n");
 		return -EINVAL;
 	}
 	return CALL_XMETHOD(card_register_reply, xpd, reg);
@@ -561,12 +605,12 @@ HANDLER_DEF(GLOBAL, REGISTER_REPLY)
 
 HANDLER_DEF(GLOBAL, SYNC_REPLY)
 {
-	byte		mode = RPACKET_FIELD(pack, GLOBAL, SYNC_REPLY, sync_mode);
-	byte		drift = RPACKET_FIELD(pack, GLOBAL, SYNC_REPLY, drift);
-	const char	*mode_name;
+	__u8 mode = RPACKET_FIELD(pack, GLOBAL, SYNC_REPLY, sync_mode);
+	__u8 drift = RPACKET_FIELD(pack, GLOBAL, SYNC_REPLY, drift);
+	const char *mode_name;
 
 	BUG_ON(!xbus);
-	if((mode_name = sync_mode_name(mode)) == NULL) {
+	if ((mode_name = sync_mode_name(mode)) == NULL) {
 		XBUS_ERR(xbus, "SYNC_REPLY: bad sync_mode=0x%X\n", mode);
 		return -EINVAL;
 	}
@@ -580,24 +624,26 @@ HANDLER_DEF(GLOBAL, SYNC_REPLY)
 
 HANDLER_DEF(GLOBAL, ERROR_CODE)
 {
-	char			tmp_name[TMP_NAME_LEN];
-	static long		rate_limit;
-	byte			category_code;
-	byte			errorbits;
+	char tmp_name[TMP_NAME_LEN];
+	static long rate_limit;
+	__u8 category_code;
+	__u8 errorbits;
 
 	BUG_ON(!xbus);
-	if((rate_limit++ % 5003) > 200)
+	if ((rate_limit++ % 5003) > 200)
 		return 0;
 	category_code = RPACKET_FIELD(pack, GLOBAL, ERROR_CODE, category_code);
 	errorbits = RPACKET_FIELD(pack, GLOBAL, ERROR_CODE, errorbits);
-	if(!xpd) {
+	if (!xpd) {
 		snprintf(tmp_name, TMP_NAME_LEN, "%s(%1d%1d)", xbus->busname,
-			XPACKET_ADDR_UNIT(pack), XPACKET_ADDR_SUBUNIT(pack));
+			 XPACKET_ADDR_UNIT(pack), XPACKET_ADDR_SUBUNIT(pack));
 	} else {
-		snprintf(tmp_name, TMP_NAME_LEN, "%s/%s", xbus->busname, xpd->xpdname);
+		snprintf(tmp_name, TMP_NAME_LEN, "%s/%s", xbus->busname,
+			 xpd->xpdname);
 	}
-	NOTICE("%s: FIRMWARE %s: category=%d errorbits=0x%02X (rate_limit=%ld)\n",
-			tmp_name, cmd->name, category_code, errorbits, rate_limit);
+	NOTICE
+	    ("%s: FIRMWARE %s: category=%d errorbits=0x%02X (rate_limit=%ld)\n",
+	     tmp_name, cmd->name, category_code, errorbits, rate_limit);
 	dump_packet("FIRMWARE: ", pack, 1);
 	/*
 	 * FIXME: Should implement an error recovery plan
@@ -605,15 +651,14 @@ HANDLER_DEF(GLOBAL, ERROR_CODE)
 	return 0;
 }
 
-
 xproto_table_t PROTO_TABLE(GLOBAL) = {
 	.entries = {
 		/*	Prototable	Card	Opcode		*/
-		XENTRY(	GLOBAL,		GLOBAL, NULL_REPLY	),
-		XENTRY(	GLOBAL,		GLOBAL, AB_DESCRIPTION	),
+		XENTRY(	GLOBAL,		GLOBAL,	NULL_REPLY	),
+		XENTRY(	GLOBAL,		GLOBAL,	AB_DESCRIPTION	),
 		XENTRY(	GLOBAL,		GLOBAL,	SYNC_REPLY	),
-		XENTRY(	GLOBAL,		GLOBAL, ERROR_CODE	),
-		XENTRY(	GLOBAL,		GLOBAL, REGISTER_REPLY	),
+		XENTRY(	GLOBAL,		GLOBAL,	ERROR_CODE	),
+		XENTRY(	GLOBAL,		GLOBAL,	REGISTER_REPLY	),
 	},
 	.name = "GLOBAL",
 	.packet_is_valid = global_packet_is_valid,
@@ -622,7 +667,7 @@ xproto_table_t PROTO_TABLE(GLOBAL) = {
 
 static bool global_packet_is_valid(xpacket_t *pack)
 {
-	const xproto_entry_t	*xe;
+	const xproto_entry_t *xe;
 
 	//DBG(GENERAL, "\n");
 	xe = xproto_global_entry(XPACKET_OP(pack));
@@ -636,28 +681,37 @@ static void global_packet_dump(const char *msg, xpacket_t *pack)
 
 #define	MAX_PATH_STR	128
 
+#ifndef	UMH_WAIT_PROC
+/*
+ * - UMH_WAIT_PROC was introduced as enum in 2.6.23
+ *   with a value of 1
+ * - It was changed to a macro (and it's value was modified) in 3.3.0
+ */
+#define	UMH_WAIT_PROC	1
+#endif
+
 int run_initialize_registers(xpd_t *xpd)
 {
-	int	ret;
-	xbus_t	*xbus;
-	char	busstr[MAX_ENV_STR];
-	char	busnumstr[MAX_ENV_STR];
-	char	modelstr[MAX_ENV_STR];
-	char	unitstr[MAX_ENV_STR];
-	char	subunitsstr[MAX_ENV_STR];
-	char	typestr[MAX_ENV_STR];
-	char	directionstr[MAX_ENV_STR];
-	char	revstr[MAX_ENV_STR];
-	char	connectorstr[MAX_ENV_STR];
-	char	xbuslabel[MAX_ENV_STR];
-	char	init_card[MAX_PATH_STR];
-	byte	direction_mask;
-	int	i;
-	char	*argv[] = {
+	int ret;
+	xbus_t *xbus;
+	char busstr[MAX_ENV_STR];
+	char busnumstr[MAX_ENV_STR];
+	char modelstr[MAX_ENV_STR];
+	char unitstr[MAX_ENV_STR];
+	char subunitsstr[MAX_ENV_STR];
+	char typestr[MAX_ENV_STR];
+	char directionstr[MAX_ENV_STR];
+	char revstr[MAX_ENV_STR];
+	char connectorstr[MAX_ENV_STR];
+	char xbuslabel[MAX_ENV_STR];
+	char init_card[MAX_PATH_STR];
+	__u8 direction_mask;
+	int i;
+	char *argv[] = {
 		init_card,
 		NULL
 	};
-	char	*envp[] = {
+	char *envp[] = {
 		busstr,
 		busnumstr,
 		modelstr,
@@ -673,74 +727,82 @@ int run_initialize_registers(xpd_t *xpd)
 
 	BUG_ON(!xpd);
 	xbus = xpd->xbus;
-	if(!initdir || !initdir[0]) {
+	if (!initdir || !initdir[0]) {
 		XPD_NOTICE(xpd, "Missing initdir parameter\n");
 		ret = -EINVAL;
 		goto err;
 	}
-	if(!xpd_setstate(xpd, XPD_STATE_INIT_REGS)) {
+	if (!xpd_setstate(xpd, XPD_STATE_INIT_REGS)) {
 		ret = -EINVAL;
 		goto err;
 	}
 	direction_mask = 0;
-	for(i = 0; i < xpd->subunits; i++) {
-		xpd_t	*su = xpd_byaddr(xbus, xpd->addr.unit, i);
+	for (i = 0; i < xpd->subunits; i++) {
+		xpd_t *su = xpd_byaddr(xbus, xpd->addr.unit, i);
 
-		if(!su) {
-			XPD_ERR(xpd,
-				"Have %d subunits, but not subunit #%d\n",
+		if (!su) {
+			XPD_ERR(xpd, "Have %d subunits, but not subunit #%d\n",
 				xpd->subunits, i);
 			continue;
 		}
-		direction_mask |= (PHONEDEV(su).direction == TO_PHONE) ? BIT(i) : 0;
+		direction_mask |=
+		    (PHONEDEV(su).direction == TO_PHONE) ? BIT(i) : 0;
 	}
 	snprintf(busstr, MAX_ENV_STR, "XBUS_NAME=%s", xbus->busname);
 	snprintf(busnumstr, MAX_ENV_STR, "XBUS_NUMBER=%d", xbus->num);
-	snprintf(modelstr, MAX_ENV_STR, "XBUS_MODEL_STRING=%s", xbus->transport.model_string);
+	snprintf(modelstr, MAX_ENV_STR, "XBUS_MODEL_STRING=%s",
+		 xbus->transport.model_string);
 	snprintf(unitstr, MAX_ENV_STR, "UNIT_NUMBER=%d", xpd->addr.unit);
 	snprintf(typestr, MAX_ENV_STR, "UNIT_TYPE=%d", xpd->type);
 	snprintf(subunitsstr, MAX_ENV_STR, "UNIT_SUBUNITS=%d", xpd->subunits);
-	snprintf(directionstr, MAX_ENV_STR, "UNIT_SUBUNITS_DIR=%d", direction_mask);
+	snprintf(directionstr, MAX_ENV_STR, "UNIT_SUBUNITS_DIR=%d",
+		 direction_mask);
 	snprintf(revstr, MAX_ENV_STR, "XBUS_REVISION=%d", xbus->revision);
-	snprintf(connectorstr, MAX_ENV_STR, "XBUS_CONNECTOR=%s", xbus->connector);
+	snprintf(connectorstr, MAX_ENV_STR, "XBUS_CONNECTOR=%s",
+		 xbus->connector);
 	snprintf(xbuslabel, MAX_ENV_STR, "XBUS_LABEL=%s", xbus->label);
-	if(snprintf(init_card, MAX_PATH_STR, "%s/init_card_%d_%d",
-				initdir, xpd->type, xbus->revision) > MAX_PATH_STR) {
-		XPD_NOTICE(xpd, "Cannot initialize. pathname is longer than %d characters.\n", MAX_PATH_STR);
+	if (snprintf
+	    (init_card, MAX_PATH_STR, "%s/init_card_%d_%d", initdir, xpd->type,
+	     xbus->revision) > MAX_PATH_STR) {
+		XPD_NOTICE(xpd,
+			"Cannot initialize. pathname is longer "
+			"than %d characters.\n",
+			MAX_PATH_STR);
 		ret = -E2BIG;
 		goto err;
 	}
-	if(!XBUS_IS(xbus, RECVD_DESC)) {
-		XBUS_ERR(xbus, "Skipped register initialization. In state %s.\n",
-			xbus_statename(XBUS_STATE(xbus)));
+	if (!XBUS_IS(xbus, RECVD_DESC)) {
+		XBUS_ERR(xbus,
+			 "Skipped register initialization. In state %s.\n",
+			 xbus_statename(XBUS_STATE(xbus)));
 		ret = -ENODEV;
 		goto err;
 	}
 	XPD_DBG(DEVICES, xpd, "running '%s' for type=%d revision=%d\n",
-			init_card, xpd->type, xbus->revision);
-	ret = call_usermodehelper(init_card, argv, envp, 1);
+		init_card, xpd->type, xbus->revision);
+	ret = call_usermodehelper(init_card, argv, envp, UMH_WAIT_PROC);
 	/*
 	 * Carefully report results
 	 */
-	if(ret == 0)
+	if (ret == 0)
 		XPD_DBG(DEVICES, xpd, "'%s' finished OK\n", init_card);
-	else if(ret < 0) {
-		XPD_ERR(xpd, "Failed running '%s' (errno %d)\n", init_card, ret);
+	else if (ret < 0) {
+		XPD_ERR(xpd, "Failed running '%s' (errno %d)\n", init_card,
+			ret);
 	} else {
-		byte	exitval = ((unsigned)ret >> 8) & 0xFF;
-		byte	sigval = ret & 0xFF;
+		__u8 exitval = ((unsigned)ret >> 8) & 0xFF;
+		__u8 sigval = ret & 0xFF;
 
-		if(!exitval) {
-			XPD_ERR(xpd, "'%s' killed by signal %d\n", init_card, sigval);
+		if (!exitval) {
+			XPD_ERR(xpd, "'%s' killed by signal %d\n", init_card,
+				sigval);
 		} else {
-			XPD_ERR(xpd, "'%s' aborted with exitval %d\n", init_card, exitval);
+			XPD_ERR(xpd, "'%s' aborted with exitval %d\n",
+				init_card, exitval);
 		}
 		ret = -EINVAL;
 	}
 err:
 	return ret;
 }
-
-EXPORT_SYMBOL(sync_mode_name);
 EXPORT_SYMBOL(run_initialize_registers);
-EXPORT_SYMBOL(xpp_register_request);

drivers/dahdi/xpp/card_global.h

@@ -26,88 +26,60 @@
 #include "xbus-pcm.h"
 
 enum global_opcodes {
-	XPROTO_NAME(GLOBAL, AB_REQUEST)		= 0x07,
-	XPROTO_NAME(GLOBAL, AB_DESCRIPTION)	= 0x08,
-	XPROTO_NAME(GLOBAL, REGISTER_REQUEST)	= 0x0F,
-	XPROTO_NAME(GLOBAL, REGISTER_REPLY)	= 0x10,
-/**/
-	XPROTO_NAME(GLOBAL, PCM_WRITE)		= 0x11,
-	XPROTO_NAME(GLOBAL, PCM_READ)		= 0x12,
-/**/
-	XPROTO_NAME(GLOBAL, SYNC_SOURCE)	= 0x19,
-	XPROTO_NAME(GLOBAL, SYNC_REPLY)		= 0x1A,
-/**/
-	XPROTO_NAME(GLOBAL, ERROR_CODE)		= 0x22,
-	XPROTO_NAME(GLOBAL, RESET_SYNC_COUNTERS)	= 0x23,
-	XPROTO_NAME(GLOBAL, NULL_REPLY)		= 0xFE,
+	XPROTO_NAME(GLOBAL, AB_REQUEST) = 0x07,
+	XPROTO_NAME(GLOBAL, AB_DESCRIPTION) = 0x08,
+	XPROTO_NAME(GLOBAL, REGISTER_REQUEST) = 0x0F,
+	XPROTO_NAME(GLOBAL, REGISTER_REPLY) = 0x10,
+	 /**/ XPROTO_NAME(GLOBAL, PCM_WRITE) = 0x11,
+	XPROTO_NAME(GLOBAL, PCM_READ) = 0x12,
+	 /**/ XPROTO_NAME(GLOBAL, SYNC_SOURCE) = 0x19,
+	XPROTO_NAME(GLOBAL, SYNC_REPLY) = 0x1A,
+	 /**/ XPROTO_NAME(GLOBAL, ERROR_CODE) = 0x22,
+	XPROTO_NAME(GLOBAL, XBUS_RESET) = 0x23,
+	XPROTO_NAME(GLOBAL, NULL_REPLY) = 0xFE,
 };
 
 struct unit_descriptor {
-	struct xpd_addr	addr;
-	byte		subtype:4;
-	byte		type:4;
-	byte		numchips;
-	byte		ports_per_chip;
-	byte		port_dir;	/* bitmask: 0 - PSTN, 1 - PHONE */
-	byte		reserved[2];
-	struct xpd_addr	ec_addr;
+	struct xpd_addr addr;
+	__u8 subtype:4;
+	__u8 type:4;
+	__u8 numchips;
+	__u8 ports_per_chip;
+	__u8 port_dir;		/* bitmask: 0 - PSTN, 1 - PHONE */
+	__u8 reserved[2];
+	struct xpd_addr ec_addr;
 };
 
 #define	NUM_UNITS	6
 
 DEF_RPACKET_DATA(GLOBAL, NULL_REPLY);
-DEF_RPACKET_DATA(GLOBAL, AB_REQUEST,
-	byte		rev;
-	byte		reserved;
-	);
-DEF_RPACKET_DATA(GLOBAL, AB_DESCRIPTION,
-	byte			rev;
-	byte			reserved[3];
-	struct unit_descriptor	unit_descriptor[NUM_UNITS];
-	);
-DEF_RPACKET_DATA(GLOBAL, REGISTER_REQUEST,
-	reg_cmd_t	reg_cmd;
-	);
-DEF_RPACKET_DATA(GLOBAL, PCM_WRITE,
-	xpp_line_t	lines;
-	byte		pcm[PCM_CHUNKSIZE];
-	);
-DEF_RPACKET_DATA(GLOBAL, PCM_READ,
-	xpp_line_t	lines;
-	byte		pcm[PCM_CHUNKSIZE];
-	);
-DEF_RPACKET_DATA(GLOBAL, SYNC_SOURCE,
-	byte		sync_mode;
-	byte		drift;
-	);
-DEF_RPACKET_DATA(GLOBAL, SYNC_REPLY,
-	byte		sync_mode;
-	byte		drift;
-	);
-DEF_RPACKET_DATA(GLOBAL, REGISTER_REPLY,
-	reg_cmd_t	regcmd;
-	);
-DEF_RPACKET_DATA(GLOBAL, RESET_SYNC_COUNTERS,
-	byte		mask;
-	);
-DEF_RPACKET_DATA(GLOBAL, ERROR_CODE,
-	byte		category_code;
-	byte		errorbits;
-	byte		bad_packet[0];
-	);
+DEF_RPACKET_DATA(GLOBAL, AB_REQUEST, __u8 rev; __u8 reserved;);
+DEF_RPACKET_DATA(GLOBAL, AB_DESCRIPTION, __u8 rev; __u8 reserved[3];
+		 struct unit_descriptor unit_descriptor[NUM_UNITS];);
+DEF_RPACKET_DATA(GLOBAL, REGISTER_REQUEST, reg_cmd_t reg_cmd;);
+DEF_RPACKET_DATA(GLOBAL, PCM_WRITE, xpp_line_t lines; __u8 pcm[PCM_CHUNKSIZE];);
+DEF_RPACKET_DATA(GLOBAL, PCM_READ, xpp_line_t lines; __u8 pcm[PCM_CHUNKSIZE];);
+DEF_RPACKET_DATA(GLOBAL, SYNC_SOURCE, __u8 sync_mode; __u8 drift;);
+DEF_RPACKET_DATA(GLOBAL, SYNC_REPLY, __u8 sync_mode; __u8 drift;);
+DEF_RPACKET_DATA(GLOBAL, REGISTER_REPLY, reg_cmd_t regcmd;);
+DEF_RPACKET_DATA(GLOBAL, XBUS_RESET, __u8 mask;);
+DEF_RPACKET_DATA(GLOBAL, ERROR_CODE, __u8 category_code; __u8 errorbits;
+		 __u8 bad_packet[0];);
 
 /* 0x07 */ DECLARE_CMD(GLOBAL, AB_REQUEST);
 /* 0x19 */ DECLARE_CMD(GLOBAL, SYNC_SOURCE, enum sync_mode mode, int drift);
+/* 0x23 */ DECLARE_CMD(GLOBAL, RESET_SPI);
 /* 0x23 */ DECLARE_CMD(GLOBAL, RESET_SYNC_COUNTERS);
 
 int xpp_register_request(xbus_t *xbus, xpd_t *xpd, xportno_t portno,
-	bool writing, byte regnum, bool do_subreg, byte subreg,
-	byte data_low, bool do_datah, byte data_high, bool should_reply);
+			 bool writing, __u8 regnum, bool do_subreg, __u8 subreg,
+			 __u8 data_low, bool do_datah, __u8 data_high,
+			 bool should_reply);
 int send_multibyte_request(xbus_t *xbus, unsigned unit, xportno_t portno,
-	bool eoftx, byte *buf, unsigned len);
+			   bool eoftx, __u8 *buf, unsigned len);
 extern xproto_table_t PROTO_TABLE(GLOBAL);
 int run_initialize_registers(xpd_t *xpd);
 int parse_chip_command(xpd_t *xpd, char *cmdline);
 extern charp initdir;
 
-#endif	/* CARD_GLOBAL_H */
+#endif /* CARD_GLOBAL_H */

drivers/dahdi/xpp/card_pri.h

@@ -25,8 +25,7 @@
 #include "xpd.h"
 
 enum pri_opcodes {
-	XPROTO_NAME(PRI, SET_LED)			= 0x33,
+	XPROTO_NAME(PRI, SET_LED) = 0x33,
 };
 
-
-#endif	/* CARD_PRI_H */
+#endif /* CARD_PRI_H */

drivers/dahdi/xpp/dahdi_debug.c

@@ -20,11 +20,6 @@
  *
  */
 #include <linux/version.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-#  warning "This module is tested only with 2.6 kernels"
-#endif
-
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/module.h>
@@ -35,57 +30,48 @@
 static const char rcsid[] = "$Id$";
 
 #define	P_(x)	[ x ] = { .value = x, .name = #x, }
-static	struct {
+static struct {
 	int value;
 	char *name;
 } poll_names[] = {
-	P_(POLLIN),
-	P_(POLLPRI),
-	P_(POLLOUT),
-	P_(POLLERR),
-	P_(POLLHUP),
-	P_(POLLNVAL),
-	P_(POLLRDNORM),
-	P_(POLLRDBAND),
-	P_(POLLWRNORM),
-	P_(POLLWRBAND),
-	P_(POLLMSG),
-	P_(POLLREMOVE)
+	P_(POLLIN), P_(POLLPRI), P_(POLLOUT), P_(POLLERR), P_(POLLHUP),
+	    P_(POLLNVAL), P_(POLLRDNORM), P_(POLLRDBAND), P_(POLLWRNORM),
+	    P_(POLLWRBAND), P_(POLLMSG), P_(POLLREMOVE)
 };
+
 #undef	P_
 
 void dump_poll(int debug, const char *msg, int poll)
 {
-	int	i;
+	int i;
 
-	for(i = 0; i < ARRAY_SIZE(poll_names); i++) {
-		if(poll & poll_names[i].value)
+	for (i = 0; i < ARRAY_SIZE(poll_names); i++) {
+		if (poll & poll_names[i].value)
 			DBG(GENERAL, "%s: %s\n", msg, poll_names[i].name);
 	}
 }
+EXPORT_SYMBOL(dump_poll);
 
 void alarm2str(int alarm, char *buf, int buflen)
 {
-	char	*p = buf;
-	int	left = buflen;
-	int	i;
-	int	n;
+	char *p = buf;
+	int left = buflen;
+	int i;
+	int n;
 
-	if(!alarm) {
+	if (!alarm) {
 		snprintf(buf, buflen, "NONE");
 		return;
 	}
 	memset(buf, 0, buflen);
-	for(i = 0; i < 8; i++) {
-		if(left && (alarm & BIT(i))) {
+	for (i = 0; i < 8; i++) {
+		if (left && (alarm & BIT(i))) {
 			n = snprintf(p, left, "%s,", alarmbit2str(i));
 			p += n;
 			left -= n;
 		}
 	}
-	if(p > buf)	/* kill last comma */
+	if (p > buf)		/* kill last comma */
 		*(p - 1) = '\0';
 }
-
-EXPORT_SYMBOL(dump_poll);
 EXPORT_SYMBOL(alarm2str);

drivers/dahdi/xpp/dahdi_debug.h

@@ -26,55 +26,76 @@
 
 /* Debugging Macros */
 
-#define	PRINTK(level, category, fmt, ...)	\
-	printk(KERN_ ## level "%s%s-%s: " fmt, #level, category, THIS_MODULE->name, ## __VA_ARGS__)
+#define	PRINTK(level, category, fmt, ...) \
+	printk(KERN_ ## level "%s%s-%s: " fmt, \
+	#level, category, THIS_MODULE->name, ## __VA_ARGS__)
 
-#define	XBUS_PRINTK(level, category, xbus, fmt, ...)	\
-	printk(KERN_ ## level "%s%s-%s: %s: " fmt, #level,	\
+#define	XBUS_PRINTK(level, category, xbus, fmt, ...) \
+	printk(KERN_ ## level "%s%s-%s: %s: " fmt, #level, \
 		category, THIS_MODULE->name, (xbus)->busname, ## __VA_ARGS__)
 
-#define	XPD_PRINTK(level, category, xpd, fmt, ...)	\
-	printk(KERN_ ## level "%s%s-%s: %s/%s: " fmt, #level,	\
-		category, THIS_MODULE->name, (xpd)->xbus->busname, (xpd)->xpdname, ## __VA_ARGS__)
+#define	XPD_PRINTK(level, category, xpd, fmt, ...) \
+	printk(KERN_ ## level "%s%s-%s: %s/%s: " fmt, #level, \
+		category, THIS_MODULE->name, \
+		(xpd)->xbus->busname, (xpd)->xpdname, ## __VA_ARGS__)
 
-#define	LINE_PRINTK(level, category, xpd, pos, fmt, ...)	\
-	printk(KERN_ ## level "%s%s-%s: %s/%s/%d: " fmt, #level,	\
-		category, THIS_MODULE->name, (xpd)->xbus->busname, (xpd)->xpdname, (pos), ## __VA_ARGS__)
+#define	LINE_PRINTK(level, category, xpd, pos, fmt, ...) \
+	printk(KERN_ ## level "%s%s-%s: %s/%s/%d: " fmt, #level, \
+		category, THIS_MODULE->name, \
+		(xpd)->xbus->busname, (xpd)->xpdname, (pos), ## __VA_ARGS__)
 
-#define	PORT_PRINTK(level, category, xbus, unit, port, fmt, ...)	\
-	printk(KERN_ ## level "%s%s-%s: %s UNIT=%d PORT=%d: " fmt, #level,	\
-		category, THIS_MODULE->name, (xbus)->busname, (unit), (port), ## __VA_ARGS__)
+#define	PORT_PRINTK(level, category, xbus, unit, port, fmt, ...) \
+	printk(KERN_ ## level "%s%s-%s: %s UNIT=%d PORT=%d: " fmt, #level, \
+		category, THIS_MODULE->name, \
+		(xbus)->busname, (unit), (port), ## __VA_ARGS__)
 
-#define	DBG(bits, fmt, ...)	\
-	((void)((debug & (DBG_ ## bits)) && PRINTK(DEBUG, "-" #bits, "%s: " fmt, __FUNCTION__, ## __VA_ARGS__)))
+#define	DBG(bits, fmt, ...) \
+	((void)((debug & (DBG_ ## bits)) && \
+		PRINTK(DEBUG, "-" #bits, "%s: " fmt, \
+		__func__, ## __VA_ARGS__)))
 #define	INFO(fmt, ...)		PRINTK(INFO, "", fmt, ## __VA_ARGS__)
 #define	NOTICE(fmt, ...)	PRINTK(NOTICE, "", fmt, ## __VA_ARGS__)
 #define	WARNING(fmt, ...)	PRINTK(WARNING, "", fmt, ## __VA_ARGS__)
 #define	ERR(fmt, ...)		PRINTK(ERR, "", fmt, ## __VA_ARGS__)
 
-#define	XBUS_DBG(bits, xbus, fmt, ...)	\
-			((void)((debug & (DBG_ ## bits)) && XBUS_PRINTK(DEBUG, "-" #bits, xbus, "%s: " fmt, __FUNCTION__, ## __VA_ARGS__)))
-#define	XBUS_INFO(xbus, fmt, ...)		XBUS_PRINTK(INFO, "", xbus, fmt, ## __VA_ARGS__)
-#define	XBUS_NOTICE(xbus, fmt, ...)		XBUS_PRINTK(NOTICE, "", xbus, fmt, ## __VA_ARGS__)
-#define	XBUS_ERR(xbus, fmt, ...)		XBUS_PRINTK(ERR, "", xbus, fmt, ## __VA_ARGS__)
+#define	XBUS_DBG(bits, xbus, fmt, ...) \
+	((void)((debug & (DBG_ ## bits)) && XBUS_PRINTK(DEBUG, "-" #bits, \
+	xbus, "%s: " fmt, __func__, ## __VA_ARGS__)))
+#define	XBUS_INFO(xbus, fmt, ...) \
+		XBUS_PRINTK(INFO, "", xbus, fmt, ## __VA_ARGS__)
+#define	XBUS_NOTICE(xbus, fmt, ...) \
+		XBUS_PRINTK(NOTICE, "", xbus, fmt, ## __VA_ARGS__)
+#define	XBUS_ERR(xbus, fmt, ...) \
+		XBUS_PRINTK(ERR, "", xbus, fmt, ## __VA_ARGS__)
 
-#define	XPD_DBG(bits, xpd, fmt, ...)	\
-		((void)((debug & (DBG_ ## bits)) && XPD_PRINTK(DEBUG, "-" #bits, xpd, "%s: " fmt, __FUNCTION__, ## __VA_ARGS__)))
-#define	XPD_INFO(xpd, fmt, ...)		XPD_PRINTK(INFO, "", xpd, fmt, ## __VA_ARGS__)
-#define	XPD_NOTICE(xpd, fmt, ...)	XPD_PRINTK(NOTICE, "", xpd, fmt, ## __VA_ARGS__)
-#define	XPD_WARNING(xpd, fmt, ...)	XPD_PRINTK(WARNING, "", xpd, fmt, ## __VA_ARGS__)
-#define	XPD_ERR(xpd, fmt, ...)		XPD_PRINTK(ERR, "", xpd, fmt, ## __VA_ARGS__)
+#define	XPD_DBG(bits, xpd, fmt, ...) \
+	((void)((debug & (DBG_ ## bits)) && XPD_PRINTK(DEBUG, "-" #bits, \
+	xpd, "%s: " fmt, __func__, ## __VA_ARGS__)))
+#define	XPD_INFO(xpd, fmt, ...) \
+		XPD_PRINTK(INFO, "", xpd, fmt, ## __VA_ARGS__)
+#define	XPD_NOTICE(xpd, fmt, ...) \
+		XPD_PRINTK(NOTICE, "", xpd, fmt, ## __VA_ARGS__)
+#define	XPD_WARNING(xpd, fmt, ...) \
+		XPD_PRINTK(WARNING, "", xpd, fmt, ## __VA_ARGS__)
+#define	XPD_ERR(xpd, fmt, ...) \
+		XPD_PRINTK(ERR, "", xpd, fmt, ## __VA_ARGS__)
 
-#define	LINE_DBG(bits, xpd, pos, fmt, ...)	\
-			((void)((debug & (DBG_ ## bits)) && LINE_PRINTK(DEBUG, "-" #bits, xpd, pos, "%s: " fmt, __FUNCTION__, ## __VA_ARGS__)))
-#define	LINE_NOTICE(xpd, pos, fmt, ...)		LINE_PRINTK(NOTICE, "", xpd, pos, fmt, ## __VA_ARGS__)
-#define	LINE_ERR(xpd, pos, fmt, ...)		LINE_PRINTK(ERR, "", xpd, pos, fmt, ## __VA_ARGS__)
+#define	LINE_DBG(bits, xpd, pos, fmt, ...) \
+	((void)((debug & (DBG_ ## bits)) && LINE_PRINTK(DEBUG, "-" #bits, \
+	xpd, pos, "%s: " fmt, __func__, ## __VA_ARGS__)))
+#define	LINE_NOTICE(xpd, pos, fmt, ...) \
+		LINE_PRINTK(NOTICE, "", xpd, pos, fmt, ## __VA_ARGS__)
+#define	LINE_ERR(xpd, pos, fmt, ...) \
+		LINE_PRINTK(ERR, "", xpd, pos, fmt, ## __VA_ARGS__)
 
-#define	PORT_DBG(bits, xbus, unit, port, fmt, ...)	\
-			((void)((debug & (DBG_ ## bits)) && PORT_PRINTK(DEBUG, "-" #bits,	\
-					xbus, unit, port, "%s: " fmt, __FUNCTION__, ## __VA_ARGS__)))
-#define	PORT_NOTICE(xbus, unit, port, fmt, ...)	PORT_PRINTK(NOTICE, "", xbus, unit, port, fmt, ## __VA_ARGS__)
-#define	PORT_ERR(xbus, unit, port, fmt, ...)		PORT_PRINTK(ERR, "", xbus, unit, port, fmt, ## __VA_ARGS__)
+#define	PORT_DBG(bits, xbus, unit, port, fmt, ...) \
+		((void)((debug & (DBG_ ## bits)) && \
+		PORT_PRINTK(DEBUG, "-" #bits, \
+		xbus, unit, port, "%s: " fmt, __func__, ## __VA_ARGS__)))
+#define	PORT_NOTICE(xbus, unit, port, fmt, ...) \
+		PORT_PRINTK(NOTICE, "", xbus, unit, port, fmt, ## __VA_ARGS__)
+#define	PORT_ERR(xbus, unit, port, fmt, ...) \
+		PORT_PRINTK(ERR, "", xbus, unit, port, fmt, ## __VA_ARGS__)
 
 /*
  * Bits for debug
@@ -94,63 +115,98 @@ void dump_poll(int debug, const char *msg, int poll);
 
 static inline char *rxsig2str(enum dahdi_rxsig sig)
 {
-	switch(sig) {
-		case DAHDI_RXSIG_ONHOOK:	return "ONHOOK";
-		case DAHDI_RXSIG_OFFHOOK:	return "OFFHOOK";
-		case DAHDI_RXSIG_START:	return "START";
-		case DAHDI_RXSIG_RING:	return "RING";
-		case DAHDI_RXSIG_INITIAL:	return "INITIAL";
+	switch (sig) {
+	case DAHDI_RXSIG_ONHOOK:
+		return "ONHOOK";
+	case DAHDI_RXSIG_OFFHOOK:
+		return "OFFHOOK";
+	case DAHDI_RXSIG_START:
+		return "START";
+	case DAHDI_RXSIG_RING:
+		return "RING";
+	case DAHDI_RXSIG_INITIAL:
+		return "INITIAL";
 	}
 	return "Unknown rxsig";
 }
 
 static inline char *txsig2str(enum dahdi_txsig sig)
 {
-	switch(sig) {
-		case DAHDI_TXSIG_ONHOOK:	return "TXSIG_ONHOOK";
-		case DAHDI_TXSIG_OFFHOOK:	return "TXSIG_OFFHOOK";
-		case DAHDI_TXSIG_START:	return "TXSIG_START";
-		case DAHDI_TXSIG_KEWL:	return "TXSIG_KEWL";				/* Drop battery if possible */
-		case DAHDI_TXSIG_TOTAL: break;
+	switch (sig) {
+	case DAHDI_TXSIG_ONHOOK:
+		return "TXSIG_ONHOOK";
+	case DAHDI_TXSIG_OFFHOOK:
+		return "TXSIG_OFFHOOK";
+	case DAHDI_TXSIG_START:
+		return "TXSIG_START";
+	case DAHDI_TXSIG_KEWL:
+		return "TXSIG_KEWL";	/* Drop battery if possible */
+	case DAHDI_TXSIG_TOTAL:
+		break;
 	}
 	return "Unknown txsig";
 }
 
 static inline char *event2str(int event)
 {
-	switch(event) {
-		case DAHDI_EVENT_NONE:		return "NONE";
-		case DAHDI_EVENT_ONHOOK:		return "ONHOOK";
-		case DAHDI_EVENT_RINGOFFHOOK:	return "RINGOFFHOOK";
-		case DAHDI_EVENT_WINKFLASH:	return "WINKFLASH";
-		case DAHDI_EVENT_ALARM:		return "ALARM";
-		case DAHDI_EVENT_NOALARM:		return "NOALARM";
-		case DAHDI_EVENT_ABORT:		return "ABORT";
-		case DAHDI_EVENT_OVERRUN:		return "OVERRUN";
-		case DAHDI_EVENT_BADFCS:		return "BADFCS";
-		case DAHDI_EVENT_DIALCOMPLETE:	return "DIALCOMPLETE";
-		case DAHDI_EVENT_RINGERON:		return "RINGERON";
-		case DAHDI_EVENT_RINGEROFF:	return "RINGEROFF";
-		case DAHDI_EVENT_HOOKCOMPLETE:	return "HOOKCOMPLETE";
-		case DAHDI_EVENT_BITSCHANGED:	return "BITSCHANGED";
-		case DAHDI_EVENT_PULSE_START:	return "PULSE_START";
-		case DAHDI_EVENT_TIMER_EXPIRED:	return "TIMER_EXPIRED";
-		case DAHDI_EVENT_TIMER_PING:	return "TIMER_PING";
-		case DAHDI_EVENT_POLARITY:		return "POLARITY";
+	switch (event) {
+	case DAHDI_EVENT_NONE:
+		return "NONE";
+	case DAHDI_EVENT_ONHOOK:
+		return "ONHOOK";
+	case DAHDI_EVENT_RINGOFFHOOK:
+		return "RINGOFFHOOK";
+	case DAHDI_EVENT_WINKFLASH:
+		return "WINKFLASH";
+	case DAHDI_EVENT_ALARM:
+		return "ALARM";
+	case DAHDI_EVENT_NOALARM:
+		return "NOALARM";
+	case DAHDI_EVENT_ABORT:
+		return "ABORT";
+	case DAHDI_EVENT_OVERRUN:
+		return "OVERRUN";
+	case DAHDI_EVENT_BADFCS:
+		return "BADFCS";
+	case DAHDI_EVENT_DIALCOMPLETE:
+		return "DIALCOMPLETE";
+	case DAHDI_EVENT_RINGERON:
+		return "RINGERON";
+	case DAHDI_EVENT_RINGEROFF:
+		return "RINGEROFF";
+	case DAHDI_EVENT_HOOKCOMPLETE:
+		return "HOOKCOMPLETE";
+	case DAHDI_EVENT_BITSCHANGED:
+		return "BITSCHANGED";
+	case DAHDI_EVENT_PULSE_START:
+		return "PULSE_START";
+	case DAHDI_EVENT_TIMER_EXPIRED:
+		return "TIMER_EXPIRED";
+	case DAHDI_EVENT_TIMER_PING:
+		return "TIMER_PING";
+	case DAHDI_EVENT_POLARITY:
+		return "POLARITY";
 	}
 	return "Unknown event";
 }
 
 static inline char *hookstate2str(int hookstate)
 {
-	switch(hookstate) {
-		case DAHDI_ONHOOK:		return "DAHDI_ONHOOK";
-		case DAHDI_START:		return "DAHDI_START";
-		case DAHDI_OFFHOOK:	return "DAHDI_OFFHOOK";
-		case DAHDI_WINK:		return "DAHDI_WINK";
-		case DAHDI_FLASH:		return "DAHDI_FLASH";
-		case DAHDI_RING:		return "DAHDI_RING";
-		case DAHDI_RINGOFF:	return "DAHDI_RINGOFF";
+	switch (hookstate) {
+	case DAHDI_ONHOOK:
+		return "DAHDI_ONHOOK";
+	case DAHDI_START:
+		return "DAHDI_START";
+	case DAHDI_OFFHOOK:
+		return "DAHDI_OFFHOOK";
+	case DAHDI_WINK:
+		return "DAHDI_WINK";
+	case DAHDI_FLASH:
+		return "DAHDI_FLASH";
+	case DAHDI_RING:
+		return "DAHDI_RING";
+	case DAHDI_RINGOFF:
+		return "DAHDI_RINGOFF";
 	}
 	return "Unknown hookstate";
 }
@@ -159,25 +215,42 @@ static inline char *hookstate2str(int hookstate)
 static inline char *sig2str(int sig)
 {
 	switch (sig) {
-		case DAHDI_SIG_FXSLS:	return "FXSLS";
-		case DAHDI_SIG_FXSKS:	return "FXSKS";
-		case DAHDI_SIG_FXSGS:	return "FXSGS";
-		case DAHDI_SIG_FXOLS:	return "FXOLS";
-		case DAHDI_SIG_FXOKS:	return "FXOKS";
-		case DAHDI_SIG_FXOGS:	return "FXOGS";
-		case DAHDI_SIG_EM:		return "E&M";
-		case DAHDI_SIG_EM_E1:	return "E&M-E1";
-		case DAHDI_SIG_CLEAR:	return "Clear";
-		case DAHDI_SIG_HDLCRAW:	return "HDLCRAW";
-		case DAHDI_SIG_HDLCFCS:	return "HDLCFCS";
-		case DAHDI_SIG_HDLCNET:	return "HDLCNET";
-		case DAHDI_SIG_SLAVE:	return "Slave";
-		case DAHDI_SIG_CAS:	return "CAS";
-		case DAHDI_SIG_DACS:	return "DACS";
-		case DAHDI_SIG_DACS_RBS:	return "DACS+RBS";
-		case DAHDI_SIG_SF:		return "SF (ToneOnly)";
-		case DAHDI_SIG_NONE:
-					break;
+	case DAHDI_SIG_FXSLS:
+		return "FXSLS";
+	case DAHDI_SIG_FXSKS:
+		return "FXSKS";
+	case DAHDI_SIG_FXSGS:
+		return "FXSGS";
+	case DAHDI_SIG_FXOLS:
+		return "FXOLS";
+	case DAHDI_SIG_FXOKS:
+		return "FXOKS";
+	case DAHDI_SIG_FXOGS:
+		return "FXOGS";
+	case DAHDI_SIG_EM:
+		return "E&M";
+	case DAHDI_SIG_EM_E1:
+		return "E&M-E1";
+	case DAHDI_SIG_CLEAR:
+		return "Clear";
+	case DAHDI_SIG_HDLCRAW:
+		return "HDLCRAW";
+	case DAHDI_SIG_HDLCFCS:
+		return "HDLCFCS";
+	case DAHDI_SIG_HDLCNET:
+		return "HDLCNET";
+	case DAHDI_SIG_SLAVE:
+		return "Slave";
+	case DAHDI_SIG_CAS:
+		return "CAS";
+	case DAHDI_SIG_DACS:
+		return "DACS";
+	case DAHDI_SIG_DACS_RBS:
+		return "DACS+RBS";
+	case DAHDI_SIG_SF:
+		return "SF (ToneOnly)";
+	case DAHDI_SIG_NONE:
+		break;
 	}
 	return "Unconfigured";
 }
@@ -185,18 +258,25 @@ static inline char *sig2str(int sig)
 static inline char *alarmbit2str(int alarmbit)
 {
 	/* from dahdi/kernel.h */
-	switch(1 << alarmbit) {
-		case DAHDI_ALARM_NONE:	return "NONE";
-		case DAHDI_ALARM_RECOVER:	return "RECOVER";
-		case DAHDI_ALARM_LOOPBACK:	return "LOOPBACK";
-		case DAHDI_ALARM_YELLOW:	return "YELLOW";
-		case DAHDI_ALARM_RED:	return "RED";
-		case DAHDI_ALARM_BLUE:	return "BLUE";
-		case DAHDI_ALARM_NOTOPEN:	return "NOTOPEN";
+	switch (1 << alarmbit) {
+	case DAHDI_ALARM_NONE:
+		return "NONE";
+	case DAHDI_ALARM_RECOVER:
+		return "RECOVER";
+	case DAHDI_ALARM_LOOPBACK:
+		return "LOOPBACK";
+	case DAHDI_ALARM_YELLOW:
+		return "YELLOW";
+	case DAHDI_ALARM_RED:
+		return "RED";
+	case DAHDI_ALARM_BLUE:
+		return "BLUE";
+	case DAHDI_ALARM_NOTOPEN:
+		return "NOTOPEN";
 	}
 	return "UNKNOWN";
 }
 
 void alarm2str(int alarm, char *buf, int buflen);
 
-#endif	/* DAHDI_DEBUG_H */
+#endif /* DAHDI_DEBUG_H */

drivers/dahdi/xpp/firmwares/Makefile

@@ -1,10 +1,12 @@
 # Install firmwares and initialization scripts for the Astribank
 # drivers
 
-FPGA_FW		= FPGA_FXS.hex FPGA_1141.hex FPGA_1151.hex FPGA_1161.hex
+USB_FW		= USB_FW.hex USB_FW.201.hex USB_RECOV.hex
+FPGA_FW		= FPGA_FXS.hex FPGA_1141.hex FPGA_1151.hex FPGA_1161.hex  \
+		  FPGA_1161.201.hex FPGA_1161.202.hex
 PIC_FW		= PIC_TYPE_1.hex PIC_TYPE_2.hex PIC_TYPE_3.hex PIC_TYPE_4.hex  
 OCT_FW		= $(wildcard OCT6104E-256D.ima)
-FIRMWARES	= USB_FW.hex $(FPGA_FW) $(PIC_FW) $(OCT_FW)
+FIRMWARES	= $(USB_FW) $(FPGA_FW) $(PIC_FW) $(OCT_FW)
 PROTO_VER	= 30
 SCRIPTS_BASE	= $(patsubst %,init_card_%_$(PROTO_VER),1 2 3 4 5)
 SCRIPTS		= $(SCRIPTS_BASE:%=../%)
@@ -18,4 +20,7 @@ install:
 	mkdir -p $(TARGET)
 	install $(SCRIPTS) $(TARGET)/
 	install -m 644 ../XppConfig.pm $(FIRMWARES) $(TARGET)/
+	if [ ! -r $(TARGET)/USB_FW.202.hex ]; then \
+		ln -s USB_FW.201.hex $(TARGET)/USB_FW.202.hex;\
+	fi
 

drivers/dahdi/xpp/firmwares/PIC_TYPE_2.hex

@@ -1,7 +1,7 @@
 #        
-# $Id: PIC_TYPE_2.hex 9732 2011-08-24 19:13:55Z dima $
+# $Id: PIC_TYPE_2.hex 11078 2013-04-11 16:52:37Z dima $
 #
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drivers/dahdi/xpp/firmwares/USB_FW.201.hex

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drivers/dahdi/xpp/firmwares/USB_FW.202.hex

@@ -0,0 +1 @@
+USB_FW.201.hex

drivers/dahdi/xpp/firmwares/USB_FW.hex

@@ -1,10 +1,10 @@
 # 
-# $Id: USB_FW.hex 10085 2011-11-13 14:33:46Z dima $
+# $Id: USB_FW.hex 10401 2012-02-15 15:30:24Z dima $
 # 
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drivers/dahdi/xpp/init_card_1_30

@@ -51,7 +51,7 @@ BEGIN { $init_dir = dirname($0); unshift(@INC, "$init_dir"); }
 use XppConfig $init_dir;
 my $unit_id;
 my %opts;
-my $vbat_48 = 0;
+my $eeprom_release_201 = 0;
 
 getopts('o:', \%opts);
 
@@ -59,6 +59,7 @@ my %settings;
 $settings{debug} = 0;
 $settings{fxs_skip_calib} = 0;
 my $chipregs;
+my $ring_registers;
 
 sub logit {
 	print STDERR "$unit_id: @_\n";
@@ -94,7 +95,7 @@ if (-t STDERR) {
 	}
 	logit "XBUS_MODEL_STRING='$ENV{XBUS_MODEL_STRING}'";
 	if ($ENV{XBUS_MODEL_STRING} =~ m{.*/.*/201}) {
-		$vbat_48 = 1;
+		$eeprom_release_201 = 1;
 	}
 	$chipregs = sprintf "/sys/bus/xpds/devices/%02d:%1d:0/chipregs",
 		$ENV{XBUS_NUMBER}, $ENV{UNIT_NUMBER};
@@ -104,6 +105,10 @@ if (-t STDERR) {
 		logit "OLD DRIVER: does not use /sys chipregs. Falling back to /proc"
 			if -f $chipregs;
 	}
+	$ring_registers = sprintf "/sys/bus/xpds/devices/%02d:%1d:0/fxs_ring_registers",
+		$ENV{XBUS_NUMBER}, $ENV{UNIT_NUMBER};
+	logit "OLD DRIVER: missing '$ring_registers' -- fallback to hard-coded defaults"
+		unless -f $ring_registers;
 }
 
 sub set_output() {
@@ -147,6 +152,16 @@ sub write_to_slic_file($) {
 	
 }
 
+sub write_to_ring_register($) {
+	my $write_str = shift;
+
+	open(SLICS,">$ring_registers") or
+		die("Failed writing to ring_registers file $ring_registers");
+	print SLICS $write_str;
+	close(SLICS) or die "Failed writing '$write_str' to '$ring_registers': $!";
+	main::mysleep(0.001);
+}
+
 sub read_reg($$$) {
 	my $read_slic = shift;
 	my $read_reg = shift;
@@ -292,13 +307,13 @@ sub init_indirect_registers() {
 }
 
 sub init_early_direct_regs() {
-	my $lbv = ($vbat_48) ? "20" : "10";
-	my $vcm = ($vbat_48) ? "02" : "03";
+	my $lbv = ($eeprom_release_201) ? "20" : "10";
+	my $vcm = ($eeprom_release_201) ? "02" : "03";
 
 	return write_to_slic_file("#
 *	WD	08	00	# Audio Path Loopback Control
 *	WD	6C	01
-*	WD	4A	3F	# High Battery Voltage
+*	WD	4A	34	# High Battery Voltage
 *	WD	4B	$lbv	# Low Battery Voltage
 *	WD	49	$vcm	# Common Mode Voltage (VCM)
 *	WD	40	00	# Line Feed Control
@@ -442,6 +457,10 @@ sub check_slics() {
 	return @slics;
 }
 
+sub overwrite_ring_registers() {
+	write_to_ring_register("NEON 0x33 0x12");
+}
+
 package main;
 
 main::debug "Starting '$0'";
@@ -470,6 +489,7 @@ while(<DATA>) {
 	print "$_\n";
 }
 close REG;
+FXS::overwrite_ring_registers();
 
 main::debug "Ending '$0'";
 close STDERR;

drivers/dahdi/xpp/init_card_2_30

@@ -415,6 +415,9 @@ close STDERR;
 exit 0;
 
 __DATA__
+*	WD	12	02	# Full wave rectified ring detection
+*	WD	03	01	# Polarity reversal detect mask
+*	WD	04	00	# Clear interrupt status
 *	WD	21	08	# Disable PCM transfers
 *	WD	18	99
 *	WD	06	00

drivers/dahdi/xpp/mmapbus.c

@@ -7,7 +7,9 @@ static int mmap_match(struct device *dev, struct device_driver *driver)
 {
 	return !strncmp(dev_name(dev), driver->name, strlen(driver->name));
 }
-static int mmap_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
+
+static int mmap_uevent(struct device *dev, char **envp, int num_envp,
+		       char *buffer, int buffer_size)
 {
 	envp[0] = buffer;
 	envp[1] = NULL;
@@ -33,8 +35,6 @@ static struct device mmap_bus = {
 	.release = mmap_bus_release,
 };
 
-
-
 int register_mmap_device(struct mmap_device *dev)
 {
 	dev->dev.bus = &mmap_bus_type;
@@ -43,12 +43,12 @@ int register_mmap_device(struct mmap_device *dev)
 	strncpy(dev->dev.bus_id, dev->name, BUS_ID_SIZE);
 	return device_register(&dev->dev);
 }
+EXPORT_SYMBOL(register_mmap_device);
 
 void unregister_mmap_device(struct mmap_device *dev)
 {
 	device_unregister(&dev->dev);
 }
-EXPORT_SYMBOL(register_mmap_device);
 EXPORT_SYMBOL(unregister_mmap_device);
 
 int register_mmap_driver(struct mmap_driver *driver)
@@ -56,12 +56,12 @@ int register_mmap_driver(struct mmap_driver *driver)
 	driver->driver.bus = &mmap_bus_type;
 	return driver_register(&driver->driver);
 }
+EXPORT_SYMBOL(register_mmap_driver);
 
 void unregister_mmap_driver(struct mmap_driver *driver)
 {
 	driver_unregister(&driver->driver);
 }
-EXPORT_SYMBOL(register_mmap_driver);
 EXPORT_SYMBOL(unregister_mmap_driver);
 
 int register_mmap_bus(void)
@@ -78,13 +78,13 @@ bus_reg:
 bus_type_reg:
 	return ret;
 }
+EXPORT_SYMBOL(register_mmap_bus);
 
 void unregister_mmap_bus(void)
 {
 	device_unregister(&mmap_bus);
 	bus_unregister(&mmap_bus_type);
 }
-EXPORT_SYMBOL(register_mmap_bus);
 EXPORT_SYMBOL(unregister_mmap_bus);
 
 MODULE_AUTHOR("Alexander Landau <landau.alex@gmail.com>");

drivers/dahdi/xpp/mmapdrv.c

@@ -19,11 +19,13 @@
 #include "xframe_queue.h"
 
 /* Check at compile time that sizeof(xframe_t) is a multiple of 4 */
-typedef char sizeof_xframe_t_should_be_divisible_by_4[((sizeof(xframe_t) % 4) == 0) * 2 - 1];
+typedef char
+    sizeof_xframe_t_should_be_divisible_by_4[((sizeof(xframe_t) % 4) ==
+					      0) * 2 - 1];
 
 #define ssync()			__builtin_bfin_ssync()
 
-//#define AB_IN_BUF	PF5
+//#define AB_IN_BUF     PF5
 /* firmware pins */
 #define DATA            PG8
 #define NCONFIG         PG9
@@ -33,13 +35,13 @@ typedef char sizeof_xframe_t_should_be_divisible_by_4[((sizeof(xframe_t) % 4) ==
 
 #ifdef	DEBUG_VIA_GPIO
 /*
- * For debugging we can use the following two pins. 
+ * For debugging we can use the following two pins.
  * These two pins are not used *after initialization*
  */
 #define	DEBUG_GPIO1	CONF_DONE
 #define	DEBUG_GPIO2	NSTATUS
 
-static int	rx_intr_counter;
+static int rx_intr_counter;
 #endif
 
 #define FPGA_RX_IRQ	IRQ_PF7
@@ -49,9 +51,15 @@ static int	rx_intr_counter;
 #define END_OF_FRAME	0x0001
 #define GET_LEN		0x0002
 #define START_RD_BURST	0x0008
-#define AS_BF_MODE	0x0010 //stand alone Astribank without USB (Asterisk BlackFin Mode)
-#define EC_BF_MODE	0x0020 //all data between Astribank and USB routed thru BF(EchoCanceler BlackFin Mode)
-#define NO_BF_MODE	0x0040 //Astribank worke with USB only (no BlackFin Mode) 
+/* stand alone Astribank without USB (Asterisk BlackFin Mode) */
+#define AS_BF_MODE	0x0010
+/*
+ * all data between Astribank and USB routed
+ * thru BF(EchoCanceler BlackFin Mode)
+ */
+#define EC_BF_MODE	0x0020
+/* Astribank worke with USB only (no BlackFin Mode) */
+#define NO_BF_MODE	0x0040
 #define SET_XA_DIR	0x0080
 #define GET_XPD_STS	0x0100
 #define GET_CHECKSUM	0x0200
@@ -80,9 +88,8 @@ static void print_buffer(const char *msg, const char *buf, int len)
 {
 	int i;
 	printk(KERN_ERR "%s", msg);
-	for (i = 0; i < len; i++) {
+	for (i = 0; i < len; i++)
 		printk("%02X ", (unsigned char)buf[i]);
-	}
 	printk("\n");
 }
 
@@ -96,7 +103,8 @@ static void update_counter(struct counter *c, struct timeval *tv1)
 		c->intr_min = diff;
 	if (c->intr_max < diff)
 		c->intr_max = diff;
-	c->intr_avg = (c->intr_avg*c->intr_count + diff) / (c->intr_count+1);
+	c->intr_avg =
+	    (c->intr_avg * c->intr_count + diff) / (c->intr_count + 1);
 	c->intr_count++;
 }
 
@@ -105,7 +113,7 @@ static irqreturn_t xpp_mmap_rx_irq(int irq, void *dev_id)
 	unsigned short rxcnt;
 	xbus_t *xbus;
 	xframe_t *xframe;
-	byte *buf;
+	__u8 *buf;
 	bool in_use = 0;
 	struct timeval tv1;
 
@@ -115,7 +123,7 @@ static irqreturn_t xpp_mmap_rx_irq(int irq, void *dev_id)
 
 	xbus = xbus_num(global_xbus->num);
 	BUG_ON(!xbus);
-	if(!XBUS_GET(xbus)) {
+	if (!XBUS_GET(xbus)) {
 		if (printk_ratelimit())
 			XBUS_ERR(xbus, "Dropping packet. Is shutting down.\n");
 		goto out;
@@ -129,7 +137,7 @@ static irqreturn_t xpp_mmap_rx_irq(int irq, void *dev_id)
 			NOTICE("Got %d bytes\n", rxcnt);
 		goto out;
 	}
-	if(rxcnt >= XFRAME_DATASIZE) {
+	if (rxcnt >= XFRAME_DATASIZE) {
 		if (printk_ratelimit())
 			ERR("Bad rxcnt=%d\n", rxcnt);
 		goto out;
@@ -153,18 +161,22 @@ static irqreturn_t xpp_mmap_rx_irq(int irq, void *dev_id)
 	outw(START_RD_BURST, FPGA_BASE_ADDR + 4);
 	insw((unsigned long)FPGA_BASE_ADDR, buf, rxcnt / 2);
 #if 0
-	for (count = 0; count < rxcnt; count+=2) {
+	for (count = 0; count < rxcnt; count += 2) {
 		unsigned short v = inw(FPGA_BASE_ADDR);
 		buf[count] = v & 0xFF;
-		buf[count+1] = v >> 8;
+		buf[count + 1] = v >> 8;
 	}
 #endif
-	if (rxcnt & 1) 
-		buf[rxcnt-1] = inw(FPGA_BASE_ADDR);
-	/* Sanity check: length of first packet in frame should be no more than the frame length */
-	if (((buf[0] | (buf[1]<<8)) & 0x3FF) > rxcnt) {
+	if (rxcnt & 1)
+		buf[rxcnt - 1] = inw(FPGA_BASE_ADDR);
+	/*
+	 * Sanity check: length of first packet in frame
+	 * should be no more than the frame length
+	 */
+	if (((buf[0] | (buf[1] << 8)) & 0x3FF) > rxcnt) {
 		if (printk_ratelimit()) {
-			ERR("Packet len=%d, frame len=%d\n", (buf[0] | (buf[1]<<8)) & 0x3FF, rxcnt);
+			ERR("Packet len=%d, frame len=%d\n",
+			    (buf[0] | (buf[1] << 8)) & 0x3FF, rxcnt);
 			print_buffer("16 bytes of packet: ", buf, 16);
 		}
 		goto free;
@@ -199,7 +211,7 @@ static void send_buffer(unsigned char *buf, unsigned long len)
 		print_buffer("Sent: ", buf, len);
 	outsw((unsigned long)FPGA_BASE_ADDR, buf, len / 2);
 	if (len & 1)
-		outw((unsigned short)buf[len-1], FPGA_BASE_ADDR);
+		outw((unsigned short)buf[len - 1], FPGA_BASE_ADDR);
 	outw(END_OF_FRAME, FPGA_BASE_ADDR + 4);
 }
 
@@ -258,7 +270,10 @@ static int xframe_send_common(xbus_t *xbus, xframe_t *xframe, bool pcm)
 		if (pcm && pcm_in_pool_count >= 1) {
 			static int rate_limit;
 			if ((rate_limit++ % 1000) == 0)
-				XBUS_ERR(xbus, "Dropped PCM xframe (pcm_in_pool_count=%d).\n", pcm_in_pool_count);
+				XBUS_ERR(xbus,
+					 "Dropped PCM xframe "
+					 "(pcm_in_pool_count=%d).\n",
+					 pcm_in_pool_count);
 			FREE_SEND_XFRAME(xbus, xframe);
 			pcm_dropped++;
 		} else {
@@ -266,7 +281,9 @@ static int xframe_send_common(xbus_t *xbus, xframe_t *xframe, bool pcm)
 				static int rate_limit;
 				spin_unlock_irqrestore(&tx_ready_lock, flags);
 				if ((rate_limit++ % 1000) == 0)
-					XBUS_ERR(xbus, "Dropped xframe. Cannot enqueue.\n");
+					XBUS_ERR(xbus,
+						 "Dropped xframe. "
+						 "Cannot enqueue.\n");
 				FREE_SEND_XFRAME(xbus, xframe);
 				return -E2BIG;
 			}
@@ -284,10 +301,12 @@ static xframe_t *alloc_xframe(xbus_t *xbus, gfp_t gfp_flags)
 	if (!xframe) {
 		static int rate_limit;
 		if ((rate_limit++ % 1000) < 5)
-			XBUS_ERR(xbus, "frame allocation failed (%d)\n", rate_limit);
+			XBUS_ERR(xbus, "frame allocation failed (%d)\n",
+				 rate_limit);
 		return NULL;
 	}
-	xframe_init(xbus, xframe, ((byte*)xframe) + sizeof(xframe_t), XFRAME_DATASIZE, xbus);
+	xframe_init(xbus, xframe, ((__u8 *)xframe) + sizeof(xframe_t),
+		    XFRAME_DATASIZE, xbus);
 	return xframe;
 }
 
@@ -316,28 +335,26 @@ static struct xbus_ops xmmap_ops = {
 
 static int fill_proc_queue(char *p, struct xframe_queue *q)
 {
-	int	len;
+	int len;
 
 	len = sprintf(p,
-			"%-15s: counts %3d, %3d, %3d worst %3d, overflows %3d worst_lag %02ld.%ld ms\n",
-				q->name,
-				q->steady_state_count,
-				q->count,
-				q->max_count,
-				q->worst_count,
-				q->overflows,
-				q->worst_lag_usec / 1000,
-				q->worst_lag_usec % 1000);
+		"%-15s: counts %3d, %3d, %3d worst %3d, overflows %3d "
+		"worst_lag %02ld.%ld ms\n",
+		q->name, q->steady_state_count, q->count, q->max_count,
+		q->worst_count, q->overflows, q->worst_lag_usec / 1000,
+		q->worst_lag_usec % 1000);
 	xframe_queue_clearstats(q);
 	return len;
 }
 
 static int fill_proc_counter(char *p, struct counter *c)
 {
-	return sprintf(p, "min=%ld\nmax=%ld\navg=%ld\ncount=%ld\n", c->intr_min, c->intr_max, c->intr_avg, c->intr_count);
+	return sprintf(p, "min=%ld\nmax=%ld\navg=%ld\ncount=%ld\n", c->intr_min,
+		       c->intr_max, c->intr_avg, c->intr_count);
 }
 
-static int xpp_mmap_proc_read(char *page, char **start, off_t off, int count, int *eof, void *data)
+static int xpp_mmap_proc_read(char *page, char **start, off_t off, int count,
+			      int *eof, void *data)
 {
 	int len = 0;
 	len += fill_proc_queue(page + len, &txpool);
@@ -347,7 +364,7 @@ static int xpp_mmap_proc_read(char *page, char **start, off_t off, int count, in
 	len += fill_proc_counter(page + len, &rx_counter);
 	len += sprintf(page + len, "\ntx_counter:\n");
 	len += fill_proc_counter(page + len, &tx_counter);
-	if (len <= off+count) {
+	if (len <= off + count) {
 		*eof = 1;
 		tx_counter.intr_min = rx_counter.intr_min = INT_MAX;
 		tx_counter.intr_max = rx_counter.intr_max = 0;
@@ -363,14 +380,15 @@ static int xpp_mmap_proc_read(char *page, char **start, off_t off, int count, in
 	return len;
 }
 
-static int xpp_mmap_proc_write(struct file *file, const char __user *buffer, unsigned long count, void *data)
+static int xpp_mmap_proc_write(struct file *file, const char __user *buffer,
+			       unsigned long count, void *data)
 {
 	int i = 0;
 	char *txchunk, *p, *endp;
 
-	if (count >= XFRAME_DATASIZE*3+10)
+	if (count >= XFRAME_DATASIZE * 3 + 10)
 		return -EINVAL;
-	p = txchunk = kmalloc(count+1, GFP_KERNEL);
+	p = txchunk = kmalloc(count + 1, GFP_KERNEL);
 	if (copy_from_user(txchunk, buffer, count)) {
 		count = -EFAULT;
 		goto out;
@@ -379,13 +397,15 @@ static int xpp_mmap_proc_write(struct file *file, const char __user *buffer, uns
 
 	while (*p) {
 		unsigned long value;
-		while (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r') p++;
-		if (*p == '\0') break;
+		while (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r')
+			p++;
+		if (*p == '\0')
+			break;
 		value = simple_strtoul(p, &endp, 16);
 		if (endp == p || value > 0xFF) {
-		    INFO("%s: Bad input\n", __FUNCTION__);
-		    count = -EINVAL;
-		    goto out;
+			INFO("%s: Bad input\n", __func__);
+			count = -EINVAL;
+			goto out;
 		}
 		p = endp;
 		txchunk[i++] = (char)value;
@@ -399,8 +419,8 @@ out:
 static struct mmap_driver astribank_driver = {
 	.module = THIS_MODULE,
 	.driver = {
-		.name = "xpp_mmap",
-	},
+		   .name = "xpp_mmap",
+		   },
 };
 
 static struct mmap_device astribank_dev = {
@@ -408,42 +428,52 @@ static struct mmap_device astribank_dev = {
 	.driver = &astribank_driver,
 };
 
-static int __init xpp_mmap_load_fpga(u8 *data, size_t size)
+static int __init xpp_mmap_load_fpga(u8 * data, size_t size)
 {
 	size_t i;
-	bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | DATA | NCONFIG | DCLK); //set data, nconfig and dclk to port out
+	/* set data, nconfig and dclk to port out */
+	bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | DATA | NCONFIG | DCLK);
 	bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~(DATA | NCONFIG | DCLK));
-	bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() & ~(CONF_DONE | NSTATUS));//set conf_done and nstatus to port in
-	bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() & ~(DATA | NCONFIG | DCLK));
+	/* set conf_done and nstatus to port in */
+	bfin_write_PORTGIO_DIR(
+		bfin_read_PORTGIO_DIR() & ~(CONF_DONE | NSTATUS));
+	bfin_write_PORTGIO_INEN(
+		bfin_read_PORTGIO_INEN() & ~(DATA | NCONFIG | DCLK));
 	bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() | CONF_DONE | NSTATUS);
 
-	bfin_write_PORTGIO_CLEAR(NCONFIG);       //reset fpga during configuration holds nCONFIG low
-	udelay(40);                            //Tcfg ~40us delay
-	bfin_write_PORTGIO_SET(NCONFIG);        //transition nCONFIG to high - reset end.
-	udelay(40);                            //Tcf2ck ~40us delay
+	/* reset fpga during configuration holds nCONFIG low */
+	bfin_write_PORTGIO_CLEAR(NCONFIG);
+	udelay(40);		/* Tcfg ~40us delay */
+	/* transition nCONFIG to high - reset end. */
+	bfin_write_PORTGIO_SET(NCONFIG);
+	udelay(40);		/* Tcf2ck ~40us delay */
 	if (!(bfin_read_PORTGIO() & NSTATUS))
-		return -EIO;                           //report reset faill - Tcf2st1 pass
+		return -EIO;	/* report reset faill - Tcf2st1 pass */
 
 #if 0
 	if (!(bfin_read_PORTGIO() & CONF_DONE))
 		return -EIO;
 #endif
 	bfin_write_PORTGIO_CLEAR(DCLK);
-	for (i=0; i<size; i++) { // loop EP2OUT buffer data to FPGA
+	for (i = 0; i < size; i++) {	/* loop EP2OUT buffer data to FPGA */
 		int j;
-		u8 byte = data[i];
-		for (j=0; j<8; j++)         //send the configuration data through the DATA0 pin one bit at a time.
+		u8 __u8 = data[i];
+		/*
+		 * Send the configuration data through the DATA0 pin
+		 * one bit at a time.
+		 */
+		for (j = 0; j < 8; j++)
 		{
-			if (byte & 1)
+			if (__u8 & 1)
 				bfin_write_PORTGIO_SET(DATA);
 			else
 				bfin_write_PORTGIO_CLEAR(DATA);
-			byte >>= 1;
+			__u8 >>= 1;
 			bfin_write_PORTGIO_SET(DCLK);
 			bfin_write_PORTGIO_CLEAR(DCLK);
 		}
 		if (!(bfin_read_PORTGIO() & NSTATUS))
-			return -EIO;                                   //check the nSTATUS
+			return -EIO;	/* check the nSTATUS */
 	}
 	bfin_write_PORTGIO_CLEAR(DATA);
 	udelay(1);
@@ -455,20 +485,29 @@ static int __init xpp_mmap_load_fpga(u8 *data, size_t size)
 	 * some pins that were used only during initialization
 	 * to be used for debugging from now on.
 	 */
-	bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | DEBUG_GPIO1 | DEBUG_GPIO2); //set to port out
-	bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~(DEBUG_GPIO1 | DEBUG_GPIO2));
-	bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() & ~(DEBUG_GPIO1 | DEBUG_GPIO2));
+	/* set to port out */
+	bfin_write_PORTGIO_DIR(
+		bfin_read_PORTGIO_DIR() | DEBUG_GPIO1 | DEBUG_GPIO2);
+	bfin_write_PORTG_FER(bfin_read_PORTG_FER() &
+			     ~(DEBUG_GPIO1 | DEBUG_GPIO2));
+	bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() &
+				~(DEBUG_GPIO1 | DEBUG_GPIO2));
 #endif
-	udelay(40); //tCD2UM - CONF_DONE high to user mode
+	udelay(40);		/* tCD2UM - CONF_DONE high to user mode */
 	return 0;
 }
 
 static void __exit xpp_mmap_unload_fpga(void)
 {
-        bfin_write_PORTGIO_CLEAR(NCONFIG);       //reset fpga during configuration holds nCONFIG low
-	udelay(40);                            //Tcfg ~40us delay	
-	bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() & ~( DATA | NCONFIG | DCLK));	//disable output pin
-	bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() & ~( CONF_DONE | NSTATUS));//disable input buffer
+	/* reset fpga during configuration holds nCONFIG low */
+	bfin_write_PORTGIO_CLEAR(NCONFIG);
+	udelay(40);		/* Tcfg ~40us delay */
+	/* disable output pin */
+	bfin_write_PORTGIO_DIR(
+		bfin_read_PORTGIO_DIR() & ~(DATA | NCONFIG | DCLK));
+	/* disable input buffer */
+	bfin_write_PORTGIO_INEN(
+		bfin_read_PORTGIO_INEN() & ~(CONF_DONE | NSTATUS));
 	INFO("FPGA Firmware unloaded\n");
 }
 
@@ -476,7 +515,8 @@ static int __init xpp_mmap_load_firmware(void)
 {
 	const struct firmware *fw;
 	int ret;
-	if ((ret = request_firmware(&fw, "astribank.bin", &astribank_dev.dev)) < 0)
+	if ((ret =
+	     request_firmware(&fw, "astribank.bin", &astribank_dev.dev)) < 0)
 		return ret;
 	xpp_mmap_load_fpga(fw->data, fw->size);
 	release_firmware(fw);
@@ -498,29 +538,33 @@ static int __init xpp_mmap_init(void)
 		ERR("xpp_mmap_load_firmware() failed, errno=%d\n", ret);
 		goto fail_fw;
 	}
-	
-	if ((ret = request_irq(FPGA_RX_IRQ, xpp_mmap_rx_irq, IRQF_TRIGGER_RISING, "xpp_mmap_rx", NULL)) < 0) {
+
+	if ((ret =
+	     request_irq(FPGA_RX_IRQ, xpp_mmap_rx_irq, IRQF_TRIGGER_RISING,
+			 "xpp_mmap_rx", NULL)) < 0) {
 		ERR("Unable to attach to RX interrupt %d\n", FPGA_RX_IRQ);
 		goto fail_irq_rx;
 	}
-	if ((ret = request_irq(FPGA_TX_IRQ, xpp_mmap_tx_irq, IRQF_TRIGGER_RISING, "xpp_mmap_tx", NULL)) < 0) {
+	if ((ret =
+	     request_irq(FPGA_TX_IRQ, xpp_mmap_tx_irq, IRQF_TRIGGER_RISING,
+			 "xpp_mmap_tx", NULL)) < 0) {
 		ERR("Unable to attach to TX interrupt %d\n", FPGA_TX_IRQ);
 		goto fail_irq_tx;
 	}
-	if (!request_region((resource_size_t)FPGA_BASE_ADDR, 8, "xpp_mmap")) {
+	if (!request_region((resource_size_t) FPGA_BASE_ADDR, 8, "xpp_mmap")) {
 		ERR("Unable to request memory region at %p\n", FPGA_BASE_ADDR);
 		goto fail_region;
 	}
-	outw(AS_BF_MODE, FPGA_BASE_ADDR + 4);	
+	outw(AS_BF_MODE, FPGA_BASE_ADDR + 4);
 
-	xframe_cache = kmem_cache_create("xframe_cache",
-			sizeof(xframe_t) + XFRAME_DATASIZE,
-			0, 0,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-			NULL, 
+	xframe_cache =
+	    kmem_cache_create("xframe_cache",
+			      sizeof(xframe_t) + XFRAME_DATASIZE, 0, 0,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
+			      NULL,
 #endif
-			NULL);
-	if(!xframe_cache) {
+			      NULL);
+	if (!xframe_cache) {
 		ret = -ENOMEM;
 		goto fail_cache;
 	}
@@ -532,9 +576,11 @@ static int __init xpp_mmap_init(void)
 	}
 	strncpy(global_xbus->connector, "mmap", XBUS_DESCLEN);
 	strncpy(global_xbus->label, "mmap:0", LABEL_SIZE);
-	
+
 	xframe_queue_init(&txpool, 10, 200, "mmap_txpool", global_xbus);
-	if (!(proc_entry = create_proc_entry("xpp_mmap", 0, global_xbus->proc_xbus_dir))) {
+	if (!
+	    (proc_entry =
+	     create_proc_entry("xpp_mmap", 0, global_xbus->proc_xbus_dir))) {
 		ERR("create_proc_entry() failed\n");
 		ret = -EINVAL;
 		goto fail_proc;
@@ -552,7 +598,7 @@ fail_proc:
 fail_xbus:
 	kmem_cache_destroy(xframe_cache);
 fail_cache:
-	release_region((resource_size_t)FPGA_BASE_ADDR, 8);
+	release_region((resource_size_t) FPGA_BASE_ADDR, 8);
 fail_region:
 	free_irq(FPGA_TX_IRQ, NULL);
 fail_irq_tx:
@@ -579,7 +625,7 @@ static void __exit xpp_mmap_exit(void)
 	xbus_disconnect(xbus);
 	kmem_cache_destroy(xframe_cache);
 
-	release_region((resource_size_t)FPGA_BASE_ADDR, 8);
+	release_region((resource_size_t) FPGA_BASE_ADDR, 8);
 	free_irq(FPGA_RX_IRQ, NULL);
 	free_irq(FPGA_TX_IRQ, NULL);
 

drivers/dahdi/xpp/parport_debug.c

@@ -20,31 +20,26 @@
  *
  */
 #include <linux/version.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-#  warning "This module is tested only with 2.6 kernels"
-#endif
-
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/parport.h>
 #include "parport_debug.h"
 
-static struct parport	*debug_sync_parport = NULL;
-static int		parport_toggles[8];	/* 8 bit flip-flop */
+static struct parport *debug_sync_parport;
+static int parport_toggles[8];	/* 8 bit flip-flop */
 
 void flip_parport_bit(unsigned char bitnum)
 {
-	static unsigned char	last_value;
+	static unsigned char last_value;
 	DEFINE_SPINLOCK(lock);
-	unsigned long	flags;
-	unsigned char	mask;
-	unsigned char	value;
+	unsigned long flags;
+	unsigned char mask;
+	unsigned char value;
 
-	if(!debug_sync_parport) {
-		if(printk_ratelimit()) {
+	if (!debug_sync_parport) {
+		if (printk_ratelimit()) {
 			printk(KERN_NOTICE "%s: no debug parallel port\n",
-				THIS_MODULE->name);
+			       THIS_MODULE->name);
 		}
 		return;
 	}
@@ -52,7 +47,7 @@ void flip_parport_bit(unsigned char bitnum)
 	mask = 1 << bitnum;
 	spin_lock_irqsave(&lock, flags);
 	value = last_value & ~mask;
-	if(parport_toggles[bitnum] % 2)	/* square wave */
+	if (parport_toggles[bitnum] % 2)	/* square wave */
 		value |= mask;
 	last_value = value;
 	parport_toggles[bitnum]++;
@@ -63,10 +58,11 @@ EXPORT_SYMBOL(flip_parport_bit);
 
 static void parport_attach(struct parport *port)
 {
-	printk(KERN_INFO "%s: Using %s for debugging\n", THIS_MODULE->name, port->name);
-	if(debug_sync_parport) {
+	printk(KERN_INFO "%s: Using %s for debugging\n", THIS_MODULE->name,
+	       port->name);
+	if (debug_sync_parport) {
 		printk(KERN_ERR "%s: Using %s, ignore new attachment %s\n",
-			THIS_MODULE->name, debug_sync_parport->name, port->name);
+		       THIS_MODULE->name, debug_sync_parport->name, port->name);
 		return;
 	}
 	parport_get_port(port);
@@ -76,16 +72,16 @@ static void parport_attach(struct parport *port)
 static void parport_detach(struct parport *port)
 {
 	printk(KERN_INFO "%s: Releasing %s\n", THIS_MODULE->name, port->name);
-	if(debug_sync_parport != port) {
+	if (debug_sync_parport != port) {
 		printk(KERN_ERR "%s: Using %s, ignore new detachment %s\n",
-			THIS_MODULE->name, debug_sync_parport->name, port->name);
+		       THIS_MODULE->name, debug_sync_parport->name, port->name);
 		return;
 	}
 	parport_put_port(debug_sync_parport);
 	debug_sync_parport = NULL;
 }
 
-static struct parport_driver	debug_parport_driver = {
+static struct parport_driver debug_parport_driver = {
 	.name = "parport_debug",
 	.attach = parport_attach,
 	.detach = parport_detach,
@@ -93,7 +89,7 @@ static struct parport_driver	debug_parport_driver = {
 
 int __init parallel_dbg_init(void)
 {
-	int	ret;
+	int ret;
 
 	ret = parport_register_driver(&debug_parport_driver);
 	return ret;

drivers/dahdi/xpp/parport_debug.h

@@ -28,4 +28,4 @@ void flip_parport_bit(unsigned char bitnum);
 #define flip_parport_bit(bitnum)
 #endif
 
-#endif	/* PARPORT_DEBUG_H */
+#endif /* PARPORT_DEBUG_H */

drivers/dahdi/xpp/print_fxo_modes.c

@@ -3,30 +3,35 @@
 int main(int argc, char *argv[])
 {
 	size_t i;
-	
-	for (i=0; i<(sizeof(fxo_modes)/sizeof(struct fxo_mode)); i++) {
-		if (fxo_modes[i].name == NULL) break;
-		int reg16=0, reg26=0, reg30=0, reg31=0x20;
-		char ring_osc[BUFSIZ]="", ring_x[BUFSIZ] = "";
-		
+
+	for (i = 0; i < (sizeof(fxo_modes) / sizeof(struct fxo_mode)); i++) {
+		if (fxo_modes[i].name == NULL)
+			break;
+		int reg16 = 0, reg26 = 0, reg30 = 0, reg31 = 0x20;
+		char ring_osc[BUFSIZ] = "", ring_x[BUFSIZ] = "";
+
 		reg16 |= (fxo_modes[i].ohs << 6);
 		reg16 |= (fxo_modes[i].rz << 1);
 		reg16 |= (fxo_modes[i].rt);
-		
+
 		reg26 |= (fxo_modes[i].dcv << 6);
 		reg26 |= (fxo_modes[i].mini << 4);
 		reg26 |= (fxo_modes[i].ilim << 1);
-		
+
 		reg30 = (fxo_modes[i].acim);
-		
+
 		reg31 |= (fxo_modes[i].ohs2 << 3);
 
 		if (fxo_modes[i].ring_osc)
-			snprintf(ring_osc, BUFSIZ, "ring_osc=%04X", fxo_modes[i].ring_osc);
+			snprintf(ring_osc, BUFSIZ, "ring_osc=%04X",
+				 fxo_modes[i].ring_osc);
 		if (fxo_modes[i].ring_x)
-			snprintf(ring_x, BUFSIZ, "ring_x=%04X", fxo_modes[i].ring_x);
-		printf("%-15s\treg16=%02X\treg26=%02X\treg30=%02X\treg31=%02X\t%s\t%s\n",
-		       fxo_modes[i].name, reg16, reg26, reg30, reg31, ring_osc, ring_x);
+			snprintf(ring_x, BUFSIZ, "ring_x=%04X",
+				 fxo_modes[i].ring_x);
+		printf("%-15s\treg16=%02X\treg26=%02X\treg30=%02X\t"
+			"reg31=%02X\t%s\t%s\n",
+			fxo_modes[i].name, reg16, reg26, reg30, reg31,
+			ring_osc, ring_x);
 	}
 	return 0;
 }

drivers/dahdi/xpp/xbus-core.h

@@ -39,10 +39,10 @@ struct xbus_workqueue;
 #ifdef	__KERNEL__
 
 struct xbus_ops {
-	int (*xframe_send_pcm)(xbus_t *xbus, xframe_t *xframe);
-	int (*xframe_send_cmd)(xbus_t *xbus, xframe_t *xframe);
-	xframe_t *(*alloc_xframe)(xbus_t *xbus, gfp_t gfp_flags);
-	void (*free_xframe)(xbus_t *xbus, xframe_t *xframe);
+	int (*xframe_send_pcm) (xbus_t *xbus, xframe_t *xframe);
+	int (*xframe_send_cmd) (xbus_t *xbus, xframe_t *xframe);
+	xframe_t *(*alloc_xframe) (xbus_t *xbus, gfp_t gfp_flags);
+	void (*free_xframe) (xbus_t *xbus, xframe_t *xframe);
 };
 
 /*
@@ -67,19 +67,11 @@ enum {
 
 /* yucky, make an instance so we can size it... */
 static struct xbus_counters {
-	char	*name;
+	char *name;
 } xbus_counters[] = {
-	C_(UNITS),
-	C_(TX_XFRAME_PCM),
-	C_(RX_XFRAME_PCM),
-	C_(TX_PACK_PCM),
-	C_(RX_PACK_PCM),
-	C_(TX_BYTES),
-	C_(RX_BYTES),
-	C_(TX_PCM_FRAG),
-	C_(RX_CMD),
-	C_(TX_CMD),
-};
+C_(UNITS), C_(TX_XFRAME_PCM), C_(RX_XFRAME_PCM), C_(TX_PACK_PCM),
+	    C_(RX_PACK_PCM), C_(TX_BYTES), C_(RX_BYTES),
+	    C_(TX_PCM_FRAG), C_(RX_CMD), C_(TX_CMD),};
 
 #undef C_
 
@@ -99,17 +91,17 @@ enum xbus_state {
 const char *xbus_statename(enum xbus_state st);
 
 struct xbus_transport {
-	struct xbus_ops		*ops;
-	void			*priv;
-	struct device		*transport_device;
-	ushort			max_send_size;
-	enum xbus_state		xbus_state;
-	unsigned long		transport_flags;
-	spinlock_t		state_lock;
-	atomic_t		transport_refcount;
-	wait_queue_head_t	transport_unused;
-	spinlock_t		lock;
-	char			model_string[MAX_ENV_STR];
+	struct xbus_ops *ops;
+	void *priv;
+	struct device *transport_device;
+	ushort max_send_size;
+	enum xbus_state xbus_state;
+	unsigned long transport_flags;
+	spinlock_t state_lock;
+	atomic_t transport_refcount;
+	wait_queue_head_t transport_unused;
+	spinlock_t lock;
+	char model_string[MAX_ENV_STR];
 };
 
 #define	MAX_SEND_SIZE(xbus)	((xbus)->transport.max_send_size)
@@ -118,7 +110,8 @@ struct xbus_transport {
 #define	TRANSPORT_EXIST(xbus)	((xbus)->transport.ops != NULL)
 
 #define	XBUS_FLAG_CONNECTED	0
-#define	XBUS_FLAGS(xbus, flg)	test_bit(XBUS_FLAG_ ## flg, &((xbus)->transport.transport_flags))
+#define	XBUS_FLAGS(xbus, flg) \
+	test_bit(XBUS_FLAG_ ## flg, &((xbus)->transport.transport_flags))
 
 struct xbus_ops *transportops_get(xbus_t *xbus);
 void transportops_put(xbus_t *xbus);
@@ -127,35 +120,39 @@ void transportops_put(xbus_t *xbus);
  * Encapsulate all poll related data of a single xbus.
  */
 struct xbus_workqueue {
-	struct workqueue_struct	*wq;
-	struct work_struct	xpds_init_work;
-	bool			xpds_init_done;
-	struct list_head	card_list;
-	int			num_units;
-	int			num_units_initialized;
-	wait_queue_head_t	wait_for_xpd_initialization;
-	spinlock_t		worker_lock;
-	struct semaphore	running_initialization;
+	struct workqueue_struct *wq;
+	struct work_struct xpds_init_work;
+	bool xpds_init_done;
+	struct list_head card_list;
+	int num_units;
+	int num_units_initialized;
+	wait_queue_head_t wait_for_xpd_initialization;
+	spinlock_t worker_lock;
+	struct semaphore running_initialization;
 };
 
 /*
  * Allocate/Free an xframe from pools of empty xframes.
- * Calls to {get,put}_xframe are wrapped in
+ * Calls to {get, put}_xframe are wrapped in
  * the macros bellow, so we take/return it
  * to the correct pool.
  */
 xframe_t *get_xframe(struct xframe_queue *q);
 void put_xframe(struct xframe_queue *q, xframe_t *xframe);
 
-#define	ALLOC_SEND_XFRAME(xbus)	get_xframe(&(xbus)->send_pool)
-#define	ALLOC_RECV_XFRAME(xbus)	get_xframe(&(xbus)->receive_pool)
-#define	FREE_SEND_XFRAME(xbus, xframe)	put_xframe(&(xbus)->send_pool, (xframe))
-#define	FREE_RECV_XFRAME(xbus, xframe)	put_xframe(&(xbus)->receive_pool, (xframe))
+#define	ALLOC_SEND_XFRAME(xbus) \
+		get_xframe(&(xbus)->send_pool)
+#define	ALLOC_RECV_XFRAME(xbus) \
+		get_xframe(&(xbus)->receive_pool)
+#define	FREE_SEND_XFRAME(xbus, xframe) \
+		put_xframe(&(xbus)->send_pool, (xframe))
+#define	FREE_RECV_XFRAME(xbus, xframe) \
+		put_xframe(&(xbus)->receive_pool, (xframe))
 
-xbus_t	*xbus_num(uint num);
-xbus_t	*get_xbus(const char *msg, uint num);
-void	put_xbus(const char *msg, xbus_t *xbus);
-int	refcount_xbus(xbus_t *xbus);
+xbus_t *xbus_num(uint num);
+xbus_t *get_xbus(const char *msg, uint num);
+void put_xbus(const char *msg, xbus_t *xbus);
+int refcount_xbus(xbus_t *xbus);
 
 /*
  * Echo canceller related data
@@ -163,17 +160,17 @@ int	refcount_xbus(xbus_t *xbus);
 #define	ECHO_TIMESLOTS	128
 
 struct echoops {
-	int	(*ec_set)(xpd_t *xpd, int pos, bool on);
-	int	(*ec_get)(xpd_t *xpd, int pos);
-	int	(*ec_update)(xbus_t *xbus);
-	void	(*ec_dump)(xbus_t *xbus);
+	int (*ec_set) (xpd_t *xpd, int pos, bool on);
+	int (*ec_get) (xpd_t *xpd, int pos);
+	int (*ec_update) (xbus_t *xbus);
+	void (*ec_dump) (xbus_t *xbus);
 };
 
 struct xbus_echo_state {
-	const struct echoops	*echoops;
-	byte			timeslots[ECHO_TIMESLOTS];
-	int			xpd_idx;
-	struct device_attribute	*da[MAX_XPDS];
+	const struct echoops *echoops;
+	__u8 timeslots[ECHO_TIMESLOTS];
+	int xpd_idx;
+	struct device_attribute *da[MAX_XPDS];
 };
 #define	ECHOOPS(xbus)			((xbus)->echo_state.echoops)
 #define	EC_METHOD(name, xbus)		(ECHOOPS(xbus)->name)
@@ -183,126 +180,128 @@ struct xbus_echo_state {
  * An xbus is a transport layer for Xorcom Protocol commands
  */
 struct xbus {
-	char			busname[XBUS_NAMELEN];	/* set by xbus_new() */
+	char busname[XBUS_NAMELEN];	/* set by xbus_new() */
 
 	/* low-level bus drivers set these 2 fields */
-	char			connector[XBUS_DESCLEN];
-	char			label[LABEL_SIZE];
-	byte			revision;		/* Protocol revision */
-	struct xbus_transport	transport;
-	struct dahdi_device	*ddev;
+	char connector[XBUS_DESCLEN];
+	char label[LABEL_SIZE];
+	__u8 revision;		/* Protocol revision */
+	struct xbus_transport transport;
+	struct dahdi_device *ddev;
 
-	int			num;
-	struct xpd		*xpds[MAX_XPDS];
-	struct xbus_echo_state	echo_state;
+	int num;
+	struct xpd *xpds[MAX_XPDS];
+	struct xbus_echo_state echo_state;
 
-	int			command_tick_counter;
-	int			usec_nosend;		/* Firmware flow control */
-	struct xframe_queue	command_queue;
-	wait_queue_head_t	command_queue_empty;
+	int command_tick_counter;
+	int usec_nosend;	/* Firmware flow control */
+	struct xframe_queue command_queue;
+	wait_queue_head_t command_queue_empty;
 
-	struct xframe_queue	send_pool;		/* empty xframes for send */
-	struct xframe_queue	receive_pool;		/* empty xframes for receive */
+	struct xframe_queue send_pool;	/* empty xframes for send */
+	struct xframe_queue receive_pool;	/* empty xframes for receive */
 
 	/* tasklet processing */
-	struct xframe_queue	receive_queue;
-	struct tasklet_struct	receive_tasklet;
-	int			cpu_rcv_intr[NR_CPUS];
-	int			cpu_rcv_tasklet[NR_CPUS];
+	struct xframe_queue receive_queue;
+	struct tasklet_struct receive_tasklet;
+	int cpu_rcv_intr[NR_CPUS];
+	int cpu_rcv_tasklet[NR_CPUS];
 
 	struct quirks {
 		unsigned int has_fxo:1;
 		unsigned int has_digital_span:1;
-	}			quirks;
-	bool			self_ticking;
-	enum sync_mode		sync_mode;
+	} quirks;
+	bool self_ticking;
+	enum sync_mode sync_mode;
 	/* Managed by low-level drivers: */
-	enum sync_mode		sync_mode_default;
-	struct timer_list	command_timer;
-	unsigned int		xbus_frag_count;
-	struct xframe_queue	pcm_tospan;
+	enum sync_mode sync_mode_default;
+	struct timer_list command_timer;
+	unsigned int xbus_frag_count;
+	struct xframe_queue pcm_tospan;
 
-	struct xpp_ticker	ticker;		/* for tick rate */
-	struct xpp_drift	drift;		/* for tick offset */
+	struct xpp_ticker ticker;	/* for tick rate */
+	struct xpp_drift drift;	/* for tick offset */
 
-	atomic_t		pcm_rx_counter;
-	unsigned int		global_counter;
+	atomic_t pcm_rx_counter;
+	unsigned int global_counter;
 
 	/* Device-Model */
-	struct device		astribank;
+	struct device astribank;
 #define	dev_to_xbus(dev)	container_of(dev, struct xbus, astribank)
-	struct kref		kref;
+	struct kref kref;
 #define kref_to_xbus(k) container_of(k, struct xbus, kref)
 
-	spinlock_t		lock;
+	spinlock_t lock;
 
 	/* PCM metrics */
-	struct timeval		last_tx_sync;
-	struct timeval		last_rx_sync;
-	unsigned long		max_tx_sync;
-	unsigned long		min_tx_sync;
-	unsigned long		max_rx_sync;
-	unsigned long		min_rx_sync;
-	unsigned long		max_rx_process;		/* packet processing time (usec) */
+	struct timeval last_tx_sync;
+	struct timeval last_rx_sync;
+	unsigned long max_tx_sync;
+	unsigned long min_tx_sync;
+	unsigned long max_rx_sync;
+	unsigned long min_rx_sync;
+	unsigned long max_rx_process;	/* packet processing time (usec) */
 #ifdef	SAMPLE_TICKS
 #define	SAMPLE_SIZE	1000
-	int			sample_ticks[SAMPLE_SIZE];
-	bool			sample_running;
-	int			sample_pos;
+	int sample_ticks[SAMPLE_SIZE];
+	bool sample_running;
+	int sample_pos;
 #endif
 
-	struct xbus_workqueue	worker;
+	struct xbus_workqueue worker;
 
 	/*
 	 * Sync adjustment
 	 */
-	int			sync_adjustment;
-	int			sync_adjustment_offset;
-	long			pll_updated_at;
+	int sync_adjustment;
+	int sync_adjustment_offset;
+	long pll_updated_at;
 
-	atomic_t		num_xpds;
+	atomic_t num_xpds;
 
 #ifdef CONFIG_PROC_FS
-	struct proc_dir_entry	*proc_xbus_dir;
-	struct proc_dir_entry	*proc_xbus_summary;
+	struct proc_dir_entry *proc_xbus_dir;
+	struct proc_dir_entry *proc_xbus_summary;
 #ifdef	PROTOCOL_DEBUG
-	struct proc_dir_entry	*proc_xbus_command;
+	struct proc_dir_entry *proc_xbus_command;
 #endif
 #endif
 
 	/* statistics */
-	int		counters[XBUS_COUNTER_MAX];
+	int counters[XBUS_COUNTER_MAX];
 };
 #endif
 
 #define	XFRAME_MAGIC	123456L
 
 struct xframe {
-	unsigned long		xframe_magic;
-	struct list_head	frame_list;
-	atomic_t		frame_len;
-	xbus_t			*xbus;
-	struct timeval		tv_created;
-	struct timeval		tv_queued;
-	struct timeval		tv_submitted;
-	struct timeval		tv_received;
+	unsigned long xframe_magic;
+	struct list_head frame_list;
+	atomic_t frame_len;
+	xbus_t *xbus;
+	struct timeval tv_created;
+	struct timeval tv_queued;
+	struct timeval tv_submitted;
+	struct timeval tv_received;
 	/* filled by transport layer */
-	size_t			frame_maxlen;
-	byte			*packets;	/* max XFRAME_DATASIZE */
-	byte			*first_free;
-	int			usec_towait;	/* prevent overflowing AB */
-	void			*priv;
+	size_t frame_maxlen;
+	__u8 *packets;		/* max XFRAME_DATASIZE */
+	__u8 *first_free;
+	int usec_towait;	/* prevent overflowing AB */
+	void *priv;
 };
 
-void xframe_init(xbus_t *xbus, xframe_t *xframe, void *buf, size_t maxsize, void *priv);
+void xframe_init(xbus_t *xbus, xframe_t *xframe, void *buf, size_t maxsize,
+		 void *priv);
 
 #define XFRAME_LEN(frame)	atomic_read(&(frame)->frame_len)
 
-int xbus_core_init(void);		/* Initializer */
-void xbus_core_shutdown(void);		/* Terminator */
+int xbus_core_init(void);	/* Initializer */
+void xbus_core_shutdown(void);	/* Terminator */
 
 /* Frame handling */
-void dump_xframe(const char msg[], const xbus_t *xbus, const xframe_t *xframe, int debug);
+void dump_xframe(const char msg[], const xbus_t *xbus, const xframe_t *xframe,
+		 int debug);
 int send_cmd_frame(xbus_t *xbus, xframe_t *xframe);
 
 /*
@@ -316,58 +315,45 @@ xpacket_t *xframe_next_packet(xframe_t *xframe, int len);
 /*
  * Map: unit+subunit <--> index in xbus->xpds[]
  */
-#define	XPD_IDX(unit,subunit)	((unit) * MAX_SUBUNIT + (subunit))
+#define	XPD_IDX(unit, subunit)	((unit) * MAX_SUBUNIT + (subunit))
 #define	XBUS_UNIT(idx)		((idx) / MAX_SUBUNIT)
 #define	XBUS_SUBUNIT(idx)	((idx) % MAX_SUBUNIT)
 
-xpd_t	*xpd_of(const xbus_t *xbus, int xpd_num);
-xpd_t	*xpd_byaddr(const xbus_t *xbus, uint unit, uint subunit);
-int	xbus_check_unique(xbus_t *xbus);
-bool	xbus_setstate(xbus_t *xbus, enum xbus_state newstate);
-bool	xbus_setflags(xbus_t *xbus, int flagbit, bool on);
-xbus_t	*xbus_new(struct xbus_ops *ops, ushort max_send_size, struct device *transport_device, void *priv);
-void	xbus_free(xbus_t *xbus);
-int	xbus_connect(xbus_t *xbus);
-int	xbus_activate(xbus_t *xbus);
-void	xbus_deactivate(xbus_t *xbus);
-void	xbus_disconnect(xbus_t *xbus);
-void	xbus_receive_xframe(xbus_t *xbus, xframe_t *xframe);
-int	xbus_process_worker(xbus_t *xbus);
-int	waitfor_xpds(xbus_t *xbus, char *buf);
+xpd_t *xpd_of(const xbus_t *xbus, int xpd_num);
+xpd_t *xpd_byaddr(const xbus_t *xbus, uint unit, uint subunit);
+int xbus_check_unique(xbus_t *xbus);
+bool xbus_setstate(xbus_t *xbus, enum xbus_state newstate);
+bool xbus_setflags(xbus_t *xbus, int flagbit, bool on);
+xbus_t *xbus_new(struct xbus_ops *ops, ushort max_send_size,
+		 struct device *transport_device, void *priv);
+void xbus_free(xbus_t *xbus);
+int xbus_connect(xbus_t *xbus);
+int xbus_activate(xbus_t *xbus);
+void xbus_deactivate(xbus_t *xbus);
+void xbus_disconnect(xbus_t *xbus);
+void xbus_receive_xframe(xbus_t *xbus, xframe_t *xframe);
+int xbus_process_worker(xbus_t *xbus);
+int waitfor_xpds(xbus_t *xbus, char *buf);
 
-int	xbus_xpd_bind(xbus_t *xbus, xpd_t *xpd, int unit, int subunit);
-int	xbus_xpd_unbind(xbus_t *xbus, xpd_t *xpd);
+int xbus_xpd_bind(xbus_t *xbus, xpd_t *xpd, int unit, int subunit);
+int xbus_xpd_unbind(xbus_t *xbus, xpd_t *xpd);
 
 /* sysfs */
-int	xpd_device_register(xbus_t *xbus, xpd_t *xpd);
-void	xpd_device_unregister(xpd_t *xpd);
-int	echocancel_xpd(xpd_t *xpd, int on);
+int xpd_device_register(xbus_t *xbus, xpd_t *xpd);
+void xpd_device_unregister(xpd_t *xpd);
+int echocancel_xpd(xpd_t *xpd, int on);
 
-int	xbus_is_registered(xbus_t *xbus);
-int	xbus_register_dahdi_device(xbus_t *xbus);
-void	xbus_unregister_dahdi_device(xbus_t *xbus);
+int xbus_is_registered(xbus_t *xbus);
+int xbus_register_dahdi_device(xbus_t *xbus);
+void xbus_unregister_dahdi_device(xbus_t *xbus);
 
-int	xpp_driver_init(void);
-void	xpp_driver_exit(void);
-int	xbus_sysfs_transport_create(xbus_t *xbus);
-void	xbus_sysfs_transport_remove(xbus_t *xbus);
-int	xbus_sysfs_create(xbus_t *xbus);
-void	xbus_sysfs_remove(xbus_t *xbus);
+int xpp_driver_init(void);
+void xpp_driver_exit(void);
+int xbus_sysfs_transport_create(xbus_t *xbus);
+void xbus_sysfs_transport_remove(xbus_t *xbus);
+int xbus_sysfs_create(xbus_t *xbus);
+void xbus_sysfs_remove(xbus_t *xbus);
 
-#ifdef	OLD_HOTPLUG_SUPPORT_269
-/* Copy from new kernels lib/kobject_uevent.c */
-enum kobject_action {
-	KOBJ_ADD,
-	KOBJ_REMOVE,
-	KOBJ_CHANGE,
-	KOBJ_MOUNT,
-	KOBJ_UMOUNT,
-	KOBJ_OFFLINE,
-	KOBJ_ONLINE,
-};
-#endif
-
-void	astribank_uevent_send(xbus_t *xbus, enum kobject_action act);
-
-#endif	/* XBUS_CORE_H */
+void astribank_uevent_send(xbus_t *xbus, enum kobject_action act);
 
+#endif /* XBUS_CORE_H */