build_tools/make_version: Strip off the leading 'v' in the version string.

Quote: "It's a change. People hate change"

Make the version string say something like 2.6.2 instead of v2.6.2.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
(cherry picked from commit 9b0d19c054)

.gitignore

@@ -0,0 +1,41 @@
+# Files that are generated as part of the build process which we do not want git
+# to track.
+
+*.[oa]
+*.mod
+*.mod.[oc]
+*.ko
+*.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/make_firmware_object

Makefile

@@ -67,13 +67,7 @@ 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
 
 all: modules

README

@@ -17,6 +17,7 @@ Digital Cards
   * Digium TE405P/TE407P/TE410P/TE412P: PCI quad-port T1/E1/J1
   * Digium TE220: PCI-Express dual-port T1/E1/J1
   * Digium TE420: PCI-Express quad-port T1/E1/J1
+  * Digium TE820: PCI-Express eight-port T1/E1/J1
 - wcte12xp:
   * Digium TE120P: PCI single-port T1/E1/J1
   * Digium TE121: PCI-Express single-port T1/E1/J1
@@ -211,13 +212,10 @@ 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')
@@ -538,6 +536,7 @@ timing device it will hang forever in the first cycle. Otherwise it will just
 give you in each cycle the percent of how close it was. Also try running it
 with the option -v for a verbose output.
 
+
 Spans and Channels
 ~~~~~~~~~~~~~~~~~~
 DAHDI provides telephony *channels* to the userspace applications. 
@@ -557,6 +556,81 @@ There are up to 128 spans and 1024 channels. This is a hard-wired limit
 number fits in a 16 bits number). Channel and span numbers start at 1.
 
 
+Span Assignments
+~~~~~~~~~~~~~~~~
+A DAHDI device (e.g. a PCI card) is represented within the DAHDI drivers
+as a 'DAHDI device'. Normally (with auto_assign_spans=1 in the module
+dahdi, which is the default), when a device is discovered and loaded,
+it registers with the DAHDI core and its spans automatically become
+available. However if you have more than one device, you may be
+interested to set explicit spans and channels numbers for them. To use
+manual span assigment, set 'auto_assign_spans' to 0 . e.g. in a file
+under /etc/modprobe.d/ include the following line:
+
+  options dahdi auto_assign_spans=0
+
+You will then need to assign the spans manually at device startup. You
+will need to assign a span number and channel numbers for each
+available span on the system. On my test system I have one BRI PCI card
+and one Astribank BRI+FXS:
+
+  # grep . /sys/bus/dahdi_devices/devices/*/spantype
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:1:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:2:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:3:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:4:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:5:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:6:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:7:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:8:BRI
+  /sys/bus/dahdi_devices/devices/astribanks:xbus-00/spantype:9:FXS
+  /sys/bus/dahdi_devices/devices/pci:0000:00:09.0/spantype:1:TE
+  /sys/bus/dahdi_devices/devices/pci:0000:00:09.0/spantype:2:TE
+  /sys/bus/dahdi_devices/devices/pci:0000:00:09.0/spantype:3:NT
+  /sys/bus/dahdi_devices/devices/pci:0000:00:09.0/spantype:4:NT
+
+All spans here, except the FXS one, are BRI spans with 3 channels per span.
+
+In order to assign a span, we write three numbers separated by colns to
+the file 'assign_span' in the SysFS node
+
+  local_num:span_num:base_chan_num
+
+Thus:
+
+  echo 9:5:10 >/sys/bus/dahdi_devices/devices/astribanks:xbus-00/assign_span
+  echo 2:8:40 >/sys/bus/dahdi_devices/devices/pci:0000:00:09.0/assign_span
+  echo 1:1:1  >/sys/bus/dahdi_devices/devices/astribanks:xbus-00/assign_span
+  echo 4:6:20 >/sys/bus/dahdi_devices/devices/pci:0000:00:09.0/assign_span
+  echo 3:2:5  >/sys/bus/dahdi_devices/devices/astribanks:xbus-00/assign_span
+
+As you can see, the order of span numbers or local span number is
+insignificant. However the order of channel numbers must be the same as
+that of span numbers.
+
+Which indeed produced:
+
+  # head -n3 -q /proc/dahdi/*
+  Span 1: XBUS-00/XPD-00 "Xorcom XPD [usb:LAB-0003].1: BRI_NT"
+
+             1 XPP_BRI_NT/00/00/0
+  Span 2: XBUS-00/XPD-02 "Xorcom XPD [usb:LAB-0003].3: BRI_TE"
+
+             5 XPP_BRI_TE/00/02/0
+  Span 5: XBUS-00/XPD-10 "Xorcom XPD [usb:LAB-0003].9: FXS" (MASTER)
+
+            10 XPP_FXS/00/10/0
+  Span 6: B4/0/4 "B4XXP (PCI) Card 0 Span 4" RED
+
+            23 B4/0/4/1 YELLOW
+  Span 8: B4/0/2 "B4XXP (PCI) Card 0 Span 2" RED
+
+            40 B4/0/2/1 RED
+
+Likewise spans can be unassigned by writing to the 'unassign-span'
+"file".
+
+
 Dynamic Spans
 ~~~~~~~~~~~~~
 Dynamic spans are spans that are not represented by real hardware.
@@ -644,6 +718,103 @@ see an extra '(In use)':
            2 XPP_FXS/0/0/1 FXOLS (In use)
 
 
+SysFS Interface
+~~~~~~~~~~~~~~~
+DAHDI exposes several interfaces under the SysFS virtual file system.
+SysFS represents kernel objects in nodes - directories. There properties
+are often files. They may also contain other nodes or include symlinks
+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.
+
+
+Devices Bus
+^^^^^^^^^^^
+Each DAHDI device (a physical device, such as a PCI card) is represented
+by a node under /sys/bus/dahdi_devices/devices named with the name of
+its device.
+
+Its attributes include:
+
+===== /sys/bus/dahdi_devices/devices/DEVICE/assgin-span
+Write-only attribute: this device's spans should now be assigned
+("registered"). See section about <<_span_assignments>>.
+
+===== /sys/bus/dahdi_devices/devices/DEVICE/auto-assign
+Write-only attribute. Spans in the device auto-assign ("register" as in
+the original interface). See section about <<_span_assignments>>.
+
+===== /sys/bus/dahdi_devices/devices/DEVICE/hardware_id
+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/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
+it before span nodes are created.
+
+===== /sys/bus/dahdi_devices/devices/DEVICE/spantype
+Device type.
+
+===== /sys/bus/dahdi_devices/devices/DEVICE/unassign-span
+Write-only attribute: the span whose device-local number is written
+should now be unassigned ("unregistered"). See section about
+<<_span_assignments>>.
+
+
+Spans Bus
+^^^^^^^^^
+Each DAHDI span is represented by a node under
+/sys/bus/dahdi_spans/devices with the name 'span-N' (where N is the
+number of the span). Spans of each device also reside under the node of
+the device.
+
+Useful attributes in the span node:
+
+===== /sys/bus/dahdi_spans/devices/span-N/alarms
+The alarms of the span. Currently this is a numeric representation.
+This may change in the future.
+
+===== /sys/bus/dahdi_spans/devices/span-N/basechan
+The channel number of the first channel. The channel numbers of the
+following channels are guaranteed to follow it.
+
+===== /sys/bus/dahdi_spans/devices/span-N/channels
+The number of the channels in the span.
+
+===== /sys/bus/dahdi_spans/devices/span-N/desc
+A free-form description of the span.
+
+===== /sys/bus/dahdi_spans/devices/span-N/is_digital
+1 if the span is digital, 0 if it isn't.
+
+===== /sys/bus/dahdi_spans/devices/span-N/is_sync_master
+1 if the span is the sync master, 0 if it isn't.
+
+===== /sys/bus/dahdi_spans/devices/span-N/lbo
+LBO setting for the channel.
+
+===== /sys/bus/dahdi_spans/devices/span-N/local_spanno
+The number of the span within the DAHDI device.
+
+===== /sys/bus/dahdi_spans/devices/span-N/name
+A concise name for this span.
+
+===== /sys/bus/dahdi_spans/devices/span-N/spantype
+A very short type string.
+
+===== /sys/bus/dahdi_spans/devices/span-N/syncsrc
+Current sync source.
+
+
 User-space Interface
 ~~~~~~~~~~~~~~~~~~~~
 User-space programs can only work with DAHDI channels. The basic
@@ -721,7 +892,7 @@ standard HDLC rate of 64k).
 Low-Level Drivers
 ~~~~~~~~~~~~~~~~~
 Low-level drivers create spans ('struct dahdi_span'). They register the
-spans with the DAHDI core using 'dahdi_register()'.
+spans with the DAHDI core using 'dahdi_device_register()'.
 
 'struct dahdi_span' has a number of informative members that are updated
 solely by the low-level driver:

build_tools/live_dahdi

@@ -293,6 +293,10 @@ load)
 	# TODO: A local copy of Asterisk, configured with dahdi_gnconf. 
 	# doable, but trickier.
 	run_asterisk
+	if [ "$LIVE_DAHDI_FREEPBXDB" = 'yes' ]; then
+		GENCONF_PARAMETERS=$DESTDIR/etc/dahdi/genconf_parameters \
+			dahdi_genconf freepbxdb
+	fi
 	;;
 genconf)
 	genconf

build_tools/make_version

@@ -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//"`
         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

@@ -6,6 +6,7 @@ obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_DYNAMIC_ETH)	+= dahdi_dynamic_eth.o
 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_WCT4XXP)		+= wct4xxp/
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTC4XXP)		+= wctc4xxp/
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTDM24XXP)	+= wctdm24xxp/
@@ -20,6 +21,7 @@ obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCTE11XP)		+= wcte11xp.o
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_WCFXO)		+= wcfxo.o
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_TOR2)		+= tor2.o
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_PCIRADIO)		+= pciradio.o
+endif
 
 obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_XPP)		+= xpp/
 
@@ -31,14 +33,13 @@ 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/
+endif
 
 CFLAGS_MODULE += -I$(DAHDI_INCLUDE) -I$(src)
 

drivers/dahdi/dahdi-sysfs.c

@@ -49,6 +49,305 @@ static struct class_simple *dahdi_class = NULL;
 #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)
+
+
+static char *initdir = "/usr/share/dahdi";
+module_param(initdir, charp, 0644);
+
+static int span_match(struct device *dev, struct device_driver *driver)
+{
+	return 1;
+}
+
+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("SPAN_NUM=%d", span->spanno);	\
+		DAHDI_ADD_UEVENT_VAR("SPAN_NAME=%s", span->name);	\
+	} 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 span_uevent(struct device *dev, char **envp, int num_envp,
+		char *buffer, int buffer_size)
+{
+	struct dahdi_span	*span;
+	int			i = 0;
+	int			len = 0;
+
+	if (!dev)
+		return -ENODEV;
+
+	span = dev_to_span(dev);
+	if (!span)
+		return -ENODEV;
+
+	dahdi_dbg(GENERAL, "SYFS dev_name=%s span=%s\n",
+			dev_name(dev), span->name);
+	SPAN_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 span_uevent(struct device *dev, struct kobj_uevent_env *kenv)
+{
+	struct dahdi_span *span;
+
+	if (!dev)
+		return -ENODEV;
+	span = dev_to_span(dev);
+	if (!span)
+		return -ENODEV;
+	dahdi_dbg(GENERAL, "SYFS dev_name=%s span=%s\n",
+			dev_name(dev), span->name);
+	SPAN_VAR_BLOCK;
+	return 0;
+}
+
+#endif
+
+#endif	/* OLD_HOTPLUG_SUPPORT */
+
+#define span_attr(field, format_string)				\
+static BUS_ATTR_READER(field##_show, dev, buf)			\
+{								\
+	struct dahdi_span *span;				\
+								\
+	span = dev_to_span(dev);				\
+	return sprintf(buf, format_string, span->field);	\
+}
+
+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(local_spanno_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%d\n", local_spanno(span));
+}
+
+static BUS_ATTR_READER(is_digital_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%d\n", dahdi_is_digital_span(span));
+}
+
+static BUS_ATTR_READER(is_sync_master_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%d\n", dahdi_is_sync_master(span));
+}
+
+static BUS_ATTR_READER(basechan_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%d\n", span->chans[0]->channo);
+}
+
+static BUS_ATTR_READER(channels_show, dev, buf)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	return sprintf(buf, "%d\n", span->channels);
+}
+
+static struct device_attribute span_dev_attrs[] = {
+	__ATTR_RO(name),
+	__ATTR_RO(desc),
+	__ATTR_RO(spantype),
+	__ATTR_RO(local_spanno),
+	__ATTR_RO(alarms),
+	__ATTR_RO(lbo),
+	__ATTR_RO(syncsrc),
+	__ATTR_RO(is_digital),
+	__ATTR_RO(is_sync_master),
+	__ATTR_RO(basechan),
+	__ATTR_RO(channels),
+	__ATTR_NULL,
+};
+
+static struct driver_attribute dahdi_attrs[] = {
+	__ATTR_NULL,
+};
+
+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,
+	.drv_attrs	= dahdi_attrs,
+};
+
+static int span_probe(struct device *dev)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	span_dbg(DEVICES, span, "\n");
+	return 0;
+}
+
+static int span_remove(struct device *dev)
+{
+	struct dahdi_span *span;
+
+	span = dev_to_span(dev);
+	span_dbg(DEVICES, span, "\n");
+	return 0;
+}
+
+static struct device_driver dahdi_driver = {
+	.name		= "generic_lowlevel",
+	.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)
+{
+	struct kobject	*kobj;
+
+	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)
+{
+	dahdi_dbg(DEVICES, "%s: %s\n", __func__, dev_name(dev));
+}
 
 int dahdi_register_chardev(struct dahdi_chardev *dev)
 {
@@ -78,7 +377,15 @@ EXPORT_SYMBOL(dahdi_unregister_chardev);
 
 void span_sysfs_remove(struct dahdi_span *span)
 {
+	struct device *span_device;
 	int x;
+
+	span_dbg(DEVICES, span, "\n");
+	span_device = span->span_device;
+
+	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))
@@ -88,13 +395,55 @@ void span_sysfs_remove(struct dahdi_span *span)
 				MKDEV(DAHDI_MAJOR, chan->channo));
 		clear_bit(DAHDI_FLAGBIT_DEVFILE, &chan->flags);
 	}
+	if (!dev_get_drvdata(span_device))
+		return;
+
+	/* Grab an extra reference to the device since we'll still want it
+	 * after we've unregistered it */
+
+	get_device(span_device);
+	span_uevent_send(span, KOBJ_OFFLINE);
+	device_unregister(span->span_device);
+	dev_set_drvdata(span_device, NULL);
+	span_device->parent = NULL;
+	put_device(span_device);
+	memset(&span->span_device, 0, sizeof(span->span_device));
+	kfree(span->span_device);
+	span->span_device = NULL;
 }
 
 int span_sysfs_create(struct dahdi_span *span)
 {
+	struct device *span_device;
 	int res = 0;
 	int x;
 
+	if (span->span_device) {
+		WARN_ON(1);
+		return -EEXIST;
+	}
+
+	span->span_device = kzalloc(sizeof(*span->span_device), GFP_KERNEL);
+	if (!span->span_device)
+		return -ENOMEM;
+
+	span_device = span->span_device;
+	span_dbg(DEVICES, span, "\n");
+
+	span_device->bus = &spans_bus_type;
+	span_device->parent = &span->parent->dev;
+	dev_set_name(span_device, "span-%d", span->spanno);
+	dev_set_drvdata(span_device, span);
+	span_device->release = span_release;
+	res = device_register(span_device);
+	if (res) {
+		span_err(span, "%s: device_register 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];
@@ -137,10 +486,248 @@ static struct {
 	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;
 
+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)
+#else
+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;
+	struct list_head *pos;
+
+	list_for_each(pos, &ddev->spans)
+		++count;
+
+	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);
+
+	return sprintf(buf, "%s\n",
+		(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
+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;
+	unsigned int local_span_number;
+	unsigned int desired_spanno;
+	unsigned int desired_basechanno;
+	struct dahdi_device *const ddev = to_ddev(dev);
+
+	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");
+		return -EINVAL;
+	}
+
+	if (desired_spanno && !desired_basechanno) {
+		dev_notice(dev, "Must set span number AND base chan number\n");
+		return -EINVAL;
+	}
+
+	list_for_each_entry(span, &ddev->spans, device_node) {
+		if (local_span_number == local_spanno(span)) {
+			ret = dahdi_assign_span(span, desired_spanno,
+						desired_basechanno, 1);
+			return (ret) ? ret : count;
+		}
+	}
+	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;
+	struct dahdi_span *span;
+	struct dahdi_device *const ddev = to_ddev(dev);
+
+	ret = sscanf(buf, "%u", &local_span_number);
+	if (ret != 1)
+		return -EINVAL;
+
+	ret = -ENODEV;
+	list_for_each_entry(span, &ddev->spans, device_node) {
+		if (local_span_number == local_spanno(span))
+			ret = dahdi_unassign_span(span);
+	}
+	if (-ENODEV == ret) {
+		if (printk_ratelimit()) {
+			dev_info(dev, "'%d' is an invalid local span number.\n",
+				 local_span_number);
+		}
+		return -EINVAL;
+	}
+	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;
+	ssize_t total = 0;
+	struct dahdi_span *span;
+
+	/* 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);
+		buf += count;
+		total += count;
+	}
+
+	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;
+	unsigned int local_span_number;
+	char desired_spantype[80];
+
+	ret = sscanf(buf, "%u:%70s", &local_span_number, desired_spantype);
+	if (ret != 2)
+		return -EINVAL;
+
+	list_for_each_entry(span, &ddev->spans, device_node) {
+		if (local_spanno(span) == local_span_number)
+			break;
+	}
+
+	if (test_bit(DAHDI_FLAGBIT_REGISTERED, &span->flags)) {
+		module_printk(KERN_WARNING, "Span %s is already assigned.\n",
+			      span->name);
+		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 "
+			      "setting type.\n", span->name);
+		return -EINVAL;
+	}
+
+	ret = span->ops->set_spantype(span, &desired_spantype[0]);
+	return (ret < 0) ? ret : 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(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_NULL,
+};
+
+static struct bus_type dahdi_device_bus = {
+	.name = "dahdi_devices",
+	.dev_attrs = dahdi_device_attrs,
+};
+
 void dahdi_sysfs_exit(void)
 {
+	dahdi_dbg(DEVICES, "SYSFS\n");
 	if (dummy_dev.pseudo) {
 		dahdi_dbg(DEVICES, "Removing /dev/dahdi/pseudo:\n");
 		DEL_DAHDI_DEV(DAHDI_PSEUDO);
@@ -166,7 +753,67 @@ void dahdi_sysfs_exit(void)
 		class_destroy(dahdi_class);
 		dahdi_class = NULL;
 	}
+	if (dummy_dev.sysfs_driver_registered) {
+		dahdi_dbg(DEVICES, "Unregister driver\n");
+		driver_unregister(&dahdi_driver);
+		dummy_dev.sysfs_driver_registered = 0;
+	}
+	if (dummy_dev.sysfs_spans_bus_type) {
+		dahdi_dbg(DEVICES, "Unregister span bus type\n");
+		bus_unregister(&spans_bus_type);
+		dummy_dev.sysfs_spans_bus_type = 0;
+	}
 	unregister_chrdev(DAHDI_MAJOR, "dahdi");
+
+	if (dummy_dev.dahdi_device_bus_registered) {
+		bus_unregister(&dahdi_device_bus);
+		dummy_dev.dahdi_device_bus_registered = 0;
+	}
+}
+
+static void dahdi_device_release(struct device *dev)
+{
+	struct dahdi_device *ddev = container_of(dev, struct dahdi_device, dev);
+	kfree(ddev);
+}
+
+/**
+ * dahdi_sysfs_add_device - Add the dahdi_device into the sysfs hierarchy.
+ * @ddev:	The device to add.
+ * @parent:	The physical device that is implementing this device.
+ *
+ * By adding the dahdi_device to the sysfs hierarchy user space can control
+ * how spans are numbered.
+ *
+ */
+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;
+	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;
+}
+
+void dahdi_sysfs_init_device(struct dahdi_device *ddev)
+{
+	device_initialize(&ddev->dev);
+	ddev->dev.release = dahdi_device_release;
+}
+
+void dahdi_sysfs_unregister_device(struct dahdi_device *ddev)
+{
+	device_del(&ddev->dev);
 }
 
 int __init dahdi_sysfs_init(const struct file_operations *dahdi_fops)
@@ -174,6 +821,12 @@ int __init dahdi_sysfs_init(const struct file_operations *dahdi_fops)
 	int res = 0;
 	void *dev;
 
+	res = bus_register(&dahdi_device_bus);
+	if (res)
+		return res;
+
+	dummy_dev.dahdi_device_bus_registered = 1;
+
 	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);
@@ -220,6 +873,20 @@ int __init dahdi_sysfs_init(const struct file_operations *dahdi_fops)
 		goto cleanup;
 	}
 	dummy_dev.ctl = 1;
+	res = bus_register(&spans_bus_type);
+	if (res != 0) {
+		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;
+	res = driver_register(&dahdi_driver);
+	if (res < 0) {
+		dahdi_err("%s: driver_register(%s) failed. Error number %d",
+			__func__, dahdi_driver.name, res);
+		goto cleanup;
+	}
+	dummy_dev.sysfs_driver_registered = 1;
 
 	return 0;
 

drivers/dahdi/dahdi.h

@@ -34,4 +34,28 @@ void span_sysfs_remove(struct dahdi_span *span);
 int __init dahdi_sysfs_init(const struct file_operations *dahdi_fops);
 void dahdi_sysfs_exit(void);
 
+void dahdi_sysfs_init_device(struct dahdi_device *ddev);
+int dahdi_sysfs_add_device(struct dahdi_device *ddev, struct device *parent);
+void dahdi_sysfs_unregister_device(struct dahdi_device *ddev);
+
+int dahdi_assign_span(struct dahdi_span *span, unsigned int spanno,
+			unsigned int basechan, int prefmaster);
+int dahdi_unassign_span(struct dahdi_span *span);
+int dahdi_assign_device_spans(struct dahdi_device *ddev);
+
+static inline int get_span(struct dahdi_span *span)
+{
+	return try_module_get(span->ops->owner);
+}
+
+static inline void put_span(struct dahdi_span *span)
+{
+	module_put(span->ops->owner);
+}
+
+static inline int local_spanno(struct dahdi_span *span)
+{
+	return span->offset + 1;
+}
+
 #endif /* _DAHDI_H */

drivers/dahdi/dahdi_dummy.c

@@ -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

@@ -200,16 +200,9 @@ static void __dahdi_dynamic_run(void)
 {
 	struct dahdi_dynamic *d;
 	struct dahdi_dynamic_driver *drv;
-	int y;
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(d, &dspan_list, list) {
-		for (y = 0; y < d->span.channels; y++) {
-			struct dahdi_chan *const c = d->span.chans[y];
-			/* Echo cancel double buffered data */
-			dahdi_ec_chunk(c, c->readchunk, c->writechunk);
-		}
-		dahdi_receive(&d->span);
 		dahdi_transmit(&d->span);
 		/* Handle all transmissions now */
 		dahdi_dynamic_sendmessage(d);
@@ -370,6 +363,9 @@ void dahdi_dynamic_receive(struct dahdi_span *span, unsigned char *msg, int msgl
 	if (unlikely(rxpos != rxcnt))
 		printk(KERN_NOTICE "Span %s: Expected seq no %d, but received %d instead\n", span->name, rxcnt, rxpos);
 
+	dahdi_ec_span(span);
+	dahdi_receive(span);
+
 	/* If this is our master span, then run everything */
 	if (master)
 		dahdi_dynamic_run();
@@ -389,21 +385,12 @@ 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++)
 		kfree(d->chans[x]);
 
+	dahdi_free_device(d->ddev);
 	kfree(d);
 }
 
@@ -473,7 +460,25 @@ static int _destroy_dynamic(struct dahdi_dynamic_span *dds)
 		return -EBUSY;
 	}
 
-	dahdi_unregister(&d->span);
+	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);
 	list_del_rcu(&d->list);
@@ -582,8 +587,8 @@ static int _create_dynamic(struct dahdi_dynamic_span *dds)
 	d = kzalloc(sizeof(*d), GFP_KERNEL);
 	if (!d)
 		return -ENOMEM;
-
 	kref_init(&d->kref);
+	d->ddev = dahdi_create_device();
 
 	for (x = 0; x < dds->numchans; x++) {
 		d->chans[x] = kzalloc(sizeof(*d->chans[x]), GFP_KERNEL);
@@ -608,9 +613,10 @@ 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;
@@ -661,8 +667,12 @@ 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(&d->span, 0)) {
+	if (dahdi_register_device(d->ddev, d->dev)) {
 		printk(KERN_NOTICE "Unable to register span '%s'\n",
 			d->span.name);
 		dynamic_put(d);
@@ -765,19 +775,17 @@ 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(&d->span);
+			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);
 		}
 	}
@@ -821,10 +829,13 @@ 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;
@@ -835,19 +846,25 @@ static int dahdi_dynamic_init(void)
 #ifdef ENABLE_TASKLETS
 	tasklet_init(&dahdi_dynamic_tlet, dahdi_dynamic_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);
 	}
 #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

@@ -71,6 +71,8 @@ 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;
 }
 
@@ -152,7 +154,7 @@ 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 +193,44 @@ static void ztdeth_transmit(struct dahdi_dynamic *dyn, u8 *msg, size_t msglen)
 		spin_unlock_irqrestore(&zlock, flags);
 }
 
-
-static int ztdeth_flush(void)
+/**
+ * dahdi_dynamic_flush_work_fn - Flush all pending transactions.
+ *
+ * This function is run in a work queue since we can't guarantee interrupts
+ * will be enabled when we're called, and dev_queue_xmit() requires that
+ * interrupts be enabled.
+ *
+ */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
+static void dahdi_dynamic_flush_work_fn(void *data)
+#else
+static void dahdi_dynamic_flush_work_fn(struct work_struct *work)
+#endif
 {
 	struct sk_buff *skb;
-
 	/* Handle all transmissions now */
 	while ((skb = skb_dequeue(&skbs))) {
 		dev_queue_xmit(skb);
 	}
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
+static DECLARE_WORK(dahdi_dynamic_eth_flush_work,
+		    dahdi_dynamic_flush_work_fn, NULL);
+#else
+static DECLARE_WORK(dahdi_dynamic_eth_flush_work,
+		    dahdi_dynamic_flush_work_fn);
+#endif
+
+/**
+ * ztdeth_flush - Flush all pending transactions.
+ *
+ * This function is called in interrupt context while processing the master
+ * span.
+ */
+static int ztdeth_flush(void)
+{
+	schedule_work(&dahdi_dynamic_eth_flush_work);
 	return 0;
 }
 
@@ -284,11 +315,12 @@ 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 +443,27 @@ 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);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
+	flush_scheduled_work();
+#else
+	cancel_work_sync(&dahdi_dynamic_eth_flush_work);
+#endif
 	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_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/firmware/Makefile

@@ -24,14 +24,16 @@
 
 OCT6114_064_VERSION:=1.05.01
 OCT6114_128_VERSION:=1.05.01
+OCT6114_256_VERSION:=1.05.01
 TC400M_VERSION:=MR6.12
 VPMADT032_VERSION:=1.25.0
 HX8_VERSION:=2.06
-VPMOCT032_VERSION:=1.8.0
+VPMOCT032_VERSION:=1.12.0
+WCT820_VERSION:=1.76
 
 FIRMWARE_URL:=http://downloads.digium.com/pub/telephony/firmware/releases
 
-ALL_FIRMWARE=FIRMWARE-OCT6114-064 FIRMWARE-OCT6114-128 FIRMWARE-TC400M FIRMWARE-HX8 FIRMWARE-VPMOCT032
+ALL_FIRMWARE=FIRMWARE-OCT6114-064 FIRMWARE-OCT6114-128 FIRMWARE-OCT6114-256 FIRMWARE-TC400M FIRMWARE-HX8 FIRMWARE-VPMOCT032 FIRMWARE-TE820
 
 # 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
@@ -42,17 +44,21 @@ ALL_FIRMWARE=FIRMWARE-OCT6114-064 FIRMWARE-OCT6114-128 FIRMWARE-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:=$(FIRMWARE:FIRMWARE-OCT6114-128=dahdi-fw-oct6114-128-$(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)
 
 FWLOADERS:=dahdi-fwload-vpmadt032-$(VPMADT032_VERSION).tar.gz
 
 # Build a list of object files if hotplug will not be used
 OBJECT_FILES:=$(ALL_FIRMWARE:FIRMWARE-OCT6114-064=dahdi-fw-oct6114-064.o)
 OBJECT_FILES:=$(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
@@ -123,6 +129,17 @@ ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-12
 else
 	@echo "Firmware dahdi-fw-oct6114-128.bin is already installed with required version $(OCT6114_128_VERSION)"
 endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-256-$(OCT6114_256_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-oct6114-256-$(OCT6114_256_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-oct6114-256.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-oct6114-256.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-256-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-oct6114-256-$(OCT6114_256_VERSION)
+	@install -m 644 dahdi-fw-oct6114-256.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-oct6114-256-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-oct6114-256-$(OCT6114_256_VERSION)
+else
+	@echo "Firmware dahdi-fw-oct6114-256.bin is already installed with required version $(OCT6114_256_VERSION)"
+endif
 ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-tc400m-$(TC400M_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-tc400m-$(TC400M_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
 	@echo "Installing dahdi-fw-tc400m.bin to hotplug firmware directories"
 	@install -m 644 dahdi-fw-tc400m.bin $(DESTDIR)/usr/lib/hotplug/firmware
@@ -156,6 +173,17 @@ ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-vpmoct032-
 else
 	@echo "Firmware dahdi-fw-vpmoct032.bin is already installed with required version $(VPMOCT032_VERSION)"
 endif
+ifeq ($(shell if ( [ -f $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te820-$(WCT820_VERSION) ] ) && ( [ -f $(DESTDIR)/lib/firmware/.dahdi-fw-te820-$(WCT820_VERSION) ] ); then echo "no"; else echo "yes"; fi),yes)
+	@echo "Installing dahdi-fw-te820.bin to hotplug firmware directories"
+	@install -m 644 dahdi-fw-te820.bin $(DESTDIR)/usr/lib/hotplug/firmware
+	@rm -rf $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te820-*
+	@touch $(DESTDIR)/usr/lib/hotplug/firmware/.dahdi-fw-te820-$(WCT820_VERSION)
+	@install -m 644 dahdi-fw-te820.bin $(DESTDIR)/lib/firmware
+	@rm -rf $(DESTDIR)/lib/firmware/.dahdi-fw-te820-*
+	@touch $(DESTDIR)/lib/firmware/.dahdi-fw-te820-$(WCT820_VERSION)
+else
+	@echo "Firmware dahdi-fw-te820.bin is already installed with required version $(WCT820_VERSION)"
+endif
 
 # Uninstall any installed dahdi firmware images from hotplug firmware directories
 hotplug-uninstall:
@@ -184,7 +212,17 @@ dahdi-fw-oct6114-128.o: dahdi-fw-oct6114-128-$(OCT6114_128_VERSION).tar.gz dahdi
 	@echo Making firmware object file for dahdi-fw-oct6114-128.bin
 	./make_firmware_object dahdi-fw-oct6114-128.bin $@
 
+# Build object file of an oct6114 256 firmware image for linking
+dahdi-fw-oct6114-256.o: dahdi-fw-oct6114-256-$(OCT6114_256_VERSION).tar.gz dahdi-fw-oct6114-256.bin make_firmware_object
+	@echo Making firmware object file for dahdi-fw-oct6114-256.bin
+	./make_firmware_object dahdi-fw-oct6114-256.bin $@
+
 # Build object file of a TC400M firmware image for linking
 dahdi-fw-tc400m.o: dahdi-fw-tc400m-$(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/oct612x/include/oct6100api/oct6100_defines.h

@@ -397,7 +397,7 @@ $Octasic_Revision: 171 $
 
 /* Max defines.*/
 #ifndef	cOCT6100_MAX_ECHO_CHANNELS
-#define cOCT6100_MAX_ECHO_CHANNELS				128
+#define cOCT6100_MAX_ECHO_CHANNELS				256
 #endif
 #define cOCT6100_MAX_TSI_CNCTS					1530
 #define cOCT6100_MAX_CALLER_ID_PLAYOUT_BUFFERS	( 3328 + 6 )

drivers/dahdi/pciradio.c

@@ -146,6 +146,7 @@ struct encdec
 
 struct pciradio {
 	struct pci_dev *dev;
+	struct dahdi_device *ddev;
 	struct dahdi_span span;
 	unsigned char ios;
 	int usecount;
@@ -1488,7 +1489,7 @@ static int pciradio_initialize(struct pciradio *rad)
 	rad->span.flags = DAHDI_FLAG_RBS;
 	rad->span.ops = &pciradio_span_ops;
 
-	if (dahdi_register(&rad->span, 0)) {
+	if (dahdi_register_device(rad->ddev, &rad->dev->dev)) {
 		printk(KERN_NOTICE "Unable to register span with DAHDI\n");
 		return -1;
 	}
@@ -1777,7 +1778,7 @@ static int __devinit pciradio_init_one(struct pci_dev *pdev, const struct pci_de
 					release_region(rad->ioaddr, 0xff);
 				pci_free_consistent(pdev, DAHDI_MAX_CHUNKSIZE * 2 * 2 * 2 * 4, (void *)rad->writechunk, rad->writedma);
 				pci_set_drvdata(pdev, NULL);
-				dahdi_unregister(&rad->span);
+				dahdi_free_device(rad->ddev);
 				kfree(rad);
 				return -EIO;
 
@@ -1810,7 +1811,7 @@ static int __devinit pciradio_init_one(struct pci_dev *pdev, const struct pci_de
 
 static void pciradio_release(struct pciradio *rad)
 {
-	dahdi_unregister(&rad->span);
+	dahdi_unregister_device(rad->ddev);
 	if (rad->freeregion)
 		release_region(rad->ioaddr, 0xff);
 	kfree(rad);

drivers/dahdi/tor2.c

@@ -97,6 +97,7 @@ struct tor2 {
 	unsigned long xilinx8_region;	/* 8 bit Region allocated to Xilinx */
 	unsigned long xilinx8_len;	/* Length of 8 bit Xilinx region */
 	__iomem volatile unsigned char *mem8;	/* Virtual representation of 8 bit Xilinx memory area */
+	struct dahdi_device *ddev;
 	struct tor2_span tspans[SPANS_PER_CARD];	/* Span data */
 	struct dahdi_chan **chans[SPANS_PER_CARD]; /* Pointers to card channels */
 	struct tor2_chan tchans[32 * SPANS_PER_CARD];	/* Channel user data */
@@ -285,10 +286,6 @@ static void init_spans(struct tor2 *tor)
 		snprintf(s->desc, sizeof(s->desc) - 1,
 			 "Tormenta 2 (PCI) Quad %s Card %d Span %d",
 			 (tor->cardtype == TYPE_T1)  ?  "T1"  :  "E1", tor->num, x + 1);
-		s->manufacturer = "Digium";
-		strlcpy(s->devicetype, tor->type, sizeof(s->devicetype));
-		snprintf(s->location, sizeof(s->location) - 1,
-			 "PCI Bus %02d Slot %02d", tor->pci->bus->number, PCI_SLOT(tor->pci->devfn) + 1);
 		if (tor->cardtype == TYPE_T1) {
 			s->channels = 24;
 			s->deflaw = DAHDI_LAW_MULAW;
@@ -322,19 +319,31 @@ static void init_spans(struct tor2 *tor)
 
 static int __devinit tor2_launch(struct tor2 *tor)
 {
+	int res;
 	struct dahdi_span *s;
 	int i;
 
 	if (test_bit(DAHDI_FLAGBIT_REGISTERED, &tor->tspans[0].dahdi_span.flags))
 		return 0;
 
+	tor->ddev = dahdi_create_device();
+	tor->ddev->location = kasprintf(GFP_KERNEL, "PCI Bus %02d Slot %02d",
+				       tor->pci->bus->number,
+				       PCI_SLOT(tor->pci->devfn) + 1);
+
+	if (!tor->ddev->location)
+		return -ENOMEM;
+
 	printk(KERN_INFO "Tor2: Launching card: %d\n", tor->order);
 	for (i = 0; i < SPANS_PER_CARD; ++i) {
 		s = &tor->tspans[i].dahdi_span;
-		if (dahdi_register(s, 0)) {
-			printk(KERN_ERR "Unable to register span %s\n", s->name);
-			goto error_exit;
-		}
+		list_add_tail(&s->device_node, &tor->ddev->spans);
+	}
+
+	res = dahdi_register_device(tor->ddev, &tor->pci->dev);
+	if (res) {
+		dev_err(&tor->pci->dev, "Unable to register with DAHDI.\n");
+		return res;
 	}
 	writew(PLX_INTENA, &tor->plx[INTCSR]); /* enable PLX interrupt */
 
@@ -342,14 +351,6 @@ static int __devinit tor2_launch(struct tor2 *tor)
 	tasklet_init(&tor->tor2_tlet, tor2_tasklet, (unsigned long)tor);
 #endif
 	return 0;
-
-error_exit:
-	for (i = 0; i < SPANS_PER_CARD; ++i) {
-		s = &tor->tspans[i].dahdi_span;
-		if (test_bit(DAHDI_FLAGBIT_REGISTERED, &s->flags))
-			dahdi_unregister(s);
-	}
-	return -1;
 }
 
 static void free_tor(struct tor2 *tor)
@@ -365,6 +366,8 @@ static void free_tor(struct tor2 *tor)
 		if (tor->chans[x])
 			kfree(tor->chans[x]);
 	}
+	kfree(tor->ddev->location);
+	dahdi_free_device(tor->ddev);
 	kfree(tor);
 }
 
@@ -631,7 +634,6 @@ static struct pci_driver tor2_driver;
 static void __devexit tor2_remove(struct pci_dev *pdev)
 {
 	struct tor2 *tor;
-	int i;
 
 	tor = pci_get_drvdata(pdev);
 	if (!tor)
@@ -641,11 +643,7 @@ static void __devexit tor2_remove(struct pci_dev *pdev)
 	writeb(0, &tor->mem8[LEDREG]);
 	writew(0, &tor->plx[INTCSR]);
 	free_irq(tor->irq, tor);
-	for (i = 0; i < SPANS_PER_CARD; ++i) {
-		struct dahdi_span *s = &tor->tspans[i].dahdi_span;
-		if (test_bit(DAHDI_FLAGBIT_REGISTERED, &s->flags))
-			dahdi_unregister(s);
-	}
+	dahdi_unregister_device(tor->ddev);
 	release_mem_region(tor->plx_region, tor->plx_len);
 	release_mem_region(tor->xilinx32_region, tor->xilinx32_len);
 	release_mem_region(tor->xilinx8_region, tor->xilinx8_len);

drivers/dahdi/voicebus/GpakCust.c

@@ -126,8 +126,8 @@ static int vpmadt032_getreg_full_return(struct vpmadt032 *vpm, int pagechange,
 	unsigned long ret;
 	BUG_ON(!cmd);
 
-	/* We'll wait for 200ms */
-	ret = wait_for_completion_timeout(&cmd->complete, HZ/5);
+	/* We'll wait for 2s */
+	ret = wait_for_completion_timeout(&cmd->complete, HZ*2);
 	if (unlikely(!ret)) {
 		spin_lock_irqsave(&vpm->list_lock, flags);
 		list_del(&cmd->node);

drivers/dahdi/voicebus/GpakCust.h

@@ -36,6 +36,7 @@
 #ifndef _GPAKCUST_H  /* prevent multiple inclusion */
 #define _GPAKCUST_H
 
+#include <linux/module.h>
 #include <linux/device.h>
 #include <linux/completion.h>
 #include <linux/workqueue.h>

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/voicebus.c

@@ -1683,6 +1683,7 @@ vb_isr(int irq, void *dev_id)
 #endif
 {
 	struct voicebus *vb = dev_id;
+	unsigned long flags;
 	u32 int_status;
 
 	int_status = __vb_getctl(vb, SR_CSR5);
@@ -1693,6 +1694,8 @@ vb_isr(int irq, void *dev_id)
 	if (!int_status)
 		return IRQ_NONE;
 
+	local_irq_save(flags);
+
 	if (unlikely((int_status &
 	    (TX_UNAVAILABLE_INTERRUPT|RX_UNAVAILABLE_INTERRUPT)) &&
 	    !test_bit(VOICEBUS_STOP, &vb->flags) &&
@@ -1733,6 +1736,7 @@ vb_isr(int irq, void *dev_id)
 		/* Clear the interrupt(s) */
 		__vb_setctl(vb, SR_CSR5, int_status);
 	}
+	local_irq_restore(flags);
 
 	return IRQ_HANDLED;
 }
@@ -1881,7 +1885,7 @@ __voicebus_init(struct voicebus *vb, const char *board_name,
 		goto cleanup;
 
 #if !defined(CONFIG_VOICEBUS_TIMER)
-	retval = request_irq(vb->pdev->irq, vb_isr, DAHDI_IRQ_SHARED_DISABLED,
+	retval = request_irq(vb->pdev->irq, vb_isr, DAHDI_IRQ_SHARED,
 			     board_name, vb);
 	if (retval) {
 		dev_warn(&vb->pdev->dev, "Failed to request interrupt line.\n");
@@ -2026,7 +2030,7 @@ static int __init voicebus_module_init(void)
 	 * 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(NULL, 0);
+	dahdi_register_device(NULL, NULL);
 	spin_lock_init(&loader_list_lock);
 	return 0;
 }

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/voicebus_net.c

@@ -35,22 +35,16 @@
 
 #ifdef VOICEBUS_NET_DEBUG
 
-#ifdef HAVE_NETDEV_PRIV
 struct voicebus_netdev_priv {
 	struct voicebus *vb;
 };
-#endif
 
 static inline struct voicebus *
 voicebus_from_netdev(struct net_device *netdev)
 {
-#ifdef HAVE_NETDEV_PRIV
 	struct voicebus_netdev_priv *priv;
 	priv = netdev_priv(netdev);
 	return priv->vb;
-#else
-	return netdev->priv;
-#endif
 }
 
 static void *
@@ -209,23 +203,14 @@ int vb_net_register(struct voicebus *vb, const char *board_name)
 {
 	int res;
 	struct net_device *netdev;
-#	ifdef HAVE_NETDEV_PRIV
 	struct voicebus_netdev_priv *priv;
-#	endif
 	const char our_mac[] = { 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
 
-#	ifdef HAVE_NETDEV_PRIV
 	netdev = alloc_netdev(sizeof(*priv), board_name, ether_setup);
 	if (!netdev)
 		return -ENOMEM;
 	priv = netdev_priv(netdev);
 	priv->vb = vb;
-#	else
-	netdev = alloc_netdev(0, vb->board_name, ether_setup);
-	if (!netdev)
-		return -ENOMEM;
-	netdev->priv = vb;
-#	endif
 	memcpy(netdev->dev_addr, our_mac, sizeof(our_mac));
 #	ifdef HAVE_NET_DEVICE_OPS
 	netdev->netdev_ops = &vb_netdev_ops;

drivers/dahdi/voicebus/vpmoct.c

@@ -72,7 +72,7 @@ static int _vpmoct_read(struct vpmoct *vpm, u8 address,
 		list_del(&cmd->node);
 		spin_unlock_irqrestore(&vpm->list_lock, flags);
 		kfree(cmd);
-		dev_err(vpm->dev, "vpmoct_read_byte cmd timed out :O(\n");
+		dev_err(vpm->dev, "vpmoct_read_byte cmd timed out\n");
 		return 0;
 	}
 
@@ -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/wcb4xxp/base.c

@@ -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 */
@@ -1250,7 +1249,8 @@ 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;
 	}
@@ -2205,7 +2205,7 @@ static const char *b4xxp_echocan_name(const struct dahdi_chan *chan)
 {
 	struct b4xxp_span *bspan = container_of(chan->span, struct b4xxp_span,
 						span);
-	if (bspan->parent->card_type == B410P)
+	if (vpmsupport && (B410P == bspan->parent->card_type))
 		return "LASVEGAS2";
 	return NULL;
 }
@@ -2475,7 +2475,6 @@ static void init_spans(struct b4xxp *b4)
 		bspan = &b4->spans[i];
 		bspan->parent = b4;
 
-		bspan->span.irq = b4->pdev->irq;
 		bspan->span.spantype = (bspan->te_mode) ? "TE" : "NT";
 		bspan->span.offset = i;
 		bspan->span.channels = WCB4XXP_CHANNELS_PER_SPAN;
@@ -2494,11 +2493,6 @@ static void init_spans(struct b4xxp *b4)
 
 		sprintf(bspan->span.name, "B4/%d/%d", b4->cardno, i+1);
 		sprintf(bspan->span.desc, "B4XXP (PCI) Card %d Span %d", b4->cardno, i+1);
-		bspan->span.manufacturer = "Digium";
-		strlcpy(bspan->span.devicetype, b4->variety,
-			sizeof(bspan->span.devicetype));
-		sprintf(bspan->span.location, "PCI Bus %02d Slot %02d",
-			b4->pdev->bus->number, PCI_SLOT(b4->pdev->devfn) + 1);
 
 		bspan->span.ops = &b4xxp_span_ops;
 /* HDLC stuff */
@@ -2930,14 +2924,27 @@ static int __devinit b4xx_probe(struct pci_dev *pdev, const struct pci_device_id
 	hfc_init_all_st(b4);
 
 /* initialize the DAHDI structures, and let DAHDI know it has some new hardware to play with */
+	b4->ddev = dahdi_create_device();
 	init_spans(b4);
+
 	for (x=0; x < b4->numspans; x++) {
-		if (dahdi_register(&b4->spans[x].span, 0)) {
-			dev_err(&b4->pdev->dev,
-				"Unable to register span %s\n",
-				b4->spans[x].span.name);
-			goto err_out_unreg_spans;
-		}
+		struct dahdi_span *const s = &b4->spans[x].span;
+		list_add_tail(&s->device_node, &b4->ddev->spans);
+	}
+
+	b4->ddev->manufacturer = "Digium";
+	b4->ddev->devicetype = b4->variety;
+	b4->ddev->location = kasprintf(GFP_KERNEL, "PCI Bus %02d Slot %02d",
+				       b4->pdev->bus->number,
+				       PCI_SLOT(b4->pdev->devfn) + 1);
+	if (!b4->ddev->location) {
+		ret = -ENOMEM;
+		goto err_out_del_from_card_array;
+	}
+
+	if (dahdi_register_device(b4->ddev, &b4->pdev->dev)) {
+		dev_err(&b4->pdev->dev, "Unable to register device.\n");
+		goto err_out_unreg_spans;
 	}
 
 
@@ -2973,10 +2980,7 @@ static int __devinit b4xx_probe(struct pci_dev *pdev, const struct pci_device_id
 
 /* 'x' will have the failing span #. (0-3).  We need to unregister everything before it. */
 err_out_unreg_spans:
-	while (x) {
-		dahdi_unregister(&b4->spans[x].span);
-		x--;
-	};
+	dahdi_unregister_device(b4->ddev);
 
 	b4xxp_init_stage1(b4);			/* full reset, re-init to "no-irq" state */
 	free_irq(pdev->irq, b4);
@@ -2997,6 +3001,8 @@ err_out_free_mem:
 	pci_set_drvdata(pdev, NULL);
 	pci_iounmap(pdev, b4->ioaddr);
 	pci_iounmap(pdev, b4->addr);
+	kfree(b4->ddev->location);
+	dahdi_free_device(b4->ddev);
 	kfree(b4);
 
 err_out_release_regions:
@@ -3011,14 +3017,11 @@ err_out_disable_pdev:
 static void __devexit b4xxp_remove(struct pci_dev *pdev)
 {
 	struct b4xxp *b4 = pci_get_drvdata(pdev);
-	int i;
 
 	if (b4) {
 		b4->shutdown = 1;
 
-		for (i=b4->numspans - 1; i >= 0; i--) {
-			dahdi_unregister(&b4->spans[i].span);
-		}
+		dahdi_unregister_device(b4->ddev);
 
 		b4xxp_init_stage1(b4);
 		remove_sysfs_files(b4);
@@ -3033,6 +3036,8 @@ static void __devexit b4xxp_remove(struct pci_dev *pdev)
 
 		tasklet_kill(&b4->b4xxp_tlet);
 
+		kfree(b4->ddev->location);
+		dahdi_free_device(b4->ddev);
 		kfree(b4);
 	}
 

drivers/dahdi/wcb4xxp/wcb4xxp.h

@@ -474,6 +474,7 @@ struct b4xxp {
 	/* Flags for our bottom half */
 	unsigned int shutdown;			/* 1=bottom half doesn't process anything, just returns */
 	struct tasklet_struct b4xxp_tlet;
+	struct dahdi_device *ddev;
 };
 
 /* CPLD access bits */

drivers/dahdi/wcfxo.c

@@ -135,6 +135,7 @@ static int wecareregs[] =
 struct wcfxo {
 	struct pci_dev *dev;
 	char *variety;
+	struct dahdi_device *ddev;
 	struct dahdi_span span;
 	struct dahdi_chan _chan;
 	struct dahdi_chan *chan;
@@ -647,19 +648,24 @@ static const struct dahdi_span_ops wcfxo_span_ops = {
 
 static int wcfxo_initialize(struct wcfxo *wc)
 {
+	wc->ddev = dahdi_create_device();
+
 	/* DAHDI stuff */
 	sprintf(wc->span.name, "WCFXO/%d", wc->pos);
 	snprintf(wc->span.desc, sizeof(wc->span.desc) - 1, "%s Board %d", wc->variety, wc->pos + 1);
 	sprintf(wc->chan->name, "WCFXO/%d/%d", wc->pos, 0);
-	snprintf(wc->span.location, sizeof(wc->span.location) - 1,
-		 "PCI Bus %02d Slot %02d", wc->dev->bus->number, PCI_SLOT(wc->dev->devfn) + 1);
-	wc->span.manufacturer = "Digium";
-	strlcpy(wc->span.devicetype, wc->variety, sizeof(wc->span.devicetype));
+	wc->ddev->location = kasprintf(GFP_KERNEL, "PCI Bus %02d Slot %02d",
+				      wc->dev->bus->number,
+				      PCI_SLOT(wc->dev->devfn) + 1);
+	if (!wc->ddev->location)
+		return -ENOMEM;
+
+	wc->ddev->manufacturer = "Digium";
+	wc->ddev->devicetype = wc->variety;
 	wc->chan->sigcap = DAHDI_SIG_FXSKS | DAHDI_SIG_FXSLS | DAHDI_SIG_SF;
 	wc->chan->chanpos = 1;
 	wc->span.chans = &wc->chan;
 	wc->span.channels = 1;
-	wc->span.irq = wc->dev->irq;
 	wc->span.flags = DAHDI_FLAG_RBS;
 	wc->span.deflaw = DAHDI_LAW_MULAW;
 #ifdef ENABLE_TASKLETS
@@ -668,7 +674,8 @@ static int wcfxo_initialize(struct wcfxo *wc)
 
 	wc->chan->pvt = wc;
 	wc->span.ops = &wcfxo_span_ops;
-	if (dahdi_register(&wc->span, 0)) {
+	list_add_tail(&wc->span.device_node, &wc->ddev->spans);
+	if (dahdi_register_device(wc->ddev, &wc->dev->dev)) {
 		printk(KERN_NOTICE "Unable to register span with DAHDI\n");
 		return -1;
 	}
@@ -976,7 +983,7 @@ static int __devinit wcfxo_init_one(struct pci_dev *pdev, const struct pci_devic
 		printk(KERN_NOTICE "Failed to initailize DAA, giving up...\n");
 		wcfxo_stop_dma(wc);
 		wcfxo_disable_interrupts(wc);
-		dahdi_unregister(&wc->span);
+		dahdi_unregister_device(wc->ddev);
 		free_irq(pdev->irq, wc);
 
 		/* Reset PCI chip and registers */
@@ -984,6 +991,8 @@ static int __devinit wcfxo_init_one(struct pci_dev *pdev, const struct pci_devic
 
 		if (wc->freeregion)
 			release_region(wc->ioaddr, 0xff);
+		kfree(wc->ddev->location);
+		dahdi_free_device(wc->ddev);
 		kfree(wc);
 		return -EIO;
 	}
@@ -995,9 +1004,11 @@ static int __devinit wcfxo_init_one(struct pci_dev *pdev, const struct pci_devic
 
 static void wcfxo_release(struct wcfxo *wc)
 {
-	dahdi_unregister(&wc->span);
+	dahdi_unregister_device(wc->ddev);
 	if (wc->freeregion)
 		release_region(wc->ioaddr, 0xff);
+	kfree(wc->ddev->location);
+	dahdi_free_device(wc->ddev);
 	kfree(wc);
 	printk(KERN_INFO "Freed a Wildcard\n");
 }

drivers/dahdi/wct1xxp.c

@@ -159,6 +159,7 @@ struct t1xxp {
 	unsigned char ec_chunk2[31][DAHDI_CHUNKSIZE];
 	unsigned char tempo[32];
 	struct dahdi_span span;						/* Span */
+	struct dahdi_device *ddev;
 	struct dahdi_chan *chans[31];					/* Channels */
 };
 
@@ -272,10 +273,11 @@ static void t1xxp_release(struct t1xxp *wc)
 {
 	unsigned int x;
 
-	dahdi_unregister(&wc->span);
+	dahdi_unregister_device(wc->ddev);
 	for (x = 0; x < (wc->ise1 ? 31 : 24); x++) {
 		kfree(wc->chans[x]);
 	}
+	dahdi_free_device(wc->ddev);
 	kfree(wc);
 	printk(KERN_INFO "Freed a Wildcard\n");
 }
@@ -770,14 +772,20 @@ static int t1xxp_software_init(struct t1xxp *wc)
 	}
 	if (x >= WC_MAX_CARDS)
 		return -1;
+
+	wc->ddev = dahdi_create_device();
+
 	wc->num = x;
 	sprintf(wc->span.name, "WCT1/%d", wc->num);
 	snprintf(wc->span.desc, sizeof(wc->span.desc) - 1, "%s Card %d", wc->variety, wc->num);
-	wc->span.manufacturer = "Digium";
-	strlcpy(wc->span.devicetype, wc->variety, sizeof(wc->span.devicetype));
-	snprintf(wc->span.location, sizeof(wc->span.location) - 1,
-		 "PCI Bus %02d Slot %02d", wc->dev->bus->number, PCI_SLOT(wc->dev->devfn) + 1);
-	wc->span.irq = wc->dev->irq;
+	wc->ddev->manufacturer = "Digium";
+	wc->ddev->devicetype = wc->variety;
+	wc->ddev->location = kasprintf(GFP_KERNEL, "PCI Bus %02d Slot %02d",
+				      wc->dev->bus->number,
+				      PCI_SLOT(wc->dev->devfn) + 1);
+	if (!wc->ddev->location)
+		return -ENOMEM;
+
 	wc->span.chans = wc->chans;
 	wc->span.flags = DAHDI_FLAG_RBS;
 	if (wc->ise1) {
@@ -801,7 +809,8 @@ static int t1xxp_software_init(struct t1xxp *wc)
 		wc->chans[x]->chanpos = x + 1;
 	}
 	wc->span.ops = &t1xxp_span_ops;
-	if (dahdi_register(&wc->span, 0)) {
+	list_add_tail(&wc->span.device_node, &wc->ddev->spans);
+	if (dahdi_register_device(wc->ddev, &wc->dev->dev)) {
 		printk(KERN_NOTICE "Unable to register span with DAHDI\n");
 		return -1;
 	}
@@ -908,10 +917,10 @@ static void t1xxp_receiveprep(struct t1xxp *wc, int ints)
 	if (((oldcan & 0xffff0000) >> 16) != CANARY) {
 		/* Check top part */
 		if (debug) printk(KERN_DEBUG "Expecting top %04x, got %04x\n", CANARY, (oldcan & 0xffff0000) >> 16);
-		wc->span.irqmisses++;
+		wc->ddev->irqmisses++;
 	} else if ((oldcan & 0xffff) != ((wc->canary - 1) & 0xffff)) {
 		if (debug) printk(KERN_DEBUG "Expecting bottom %d, got %d\n", wc->canary - 1, oldcan & 0xffff);
-		wc->span.irqmisses++;
+		wc->ddev->irqmisses++;
 	}
 	for (y=0;y<DAHDI_CHUNKSIZE;y++) {
 		for (x=0;x<wc->span.channels;x++) {

drivers/dahdi/wct4xxp/Kbuild

@@ -17,7 +17,8 @@ endif
 wct4xxp-objs := base.o vpm450m.o $(shell $(src)/../oct612x/octasic-helper objects ../oct612x)
 
 ifneq ($(HOTPLUG_FIRMWARE),yes)
-wct4xxp-objs += $(FIRM_DIR)/dahdi-fw-oct6114-064.o $(FIRM_DIR)/dahdi-fw-oct6114-128.o
+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
@@ -25,3 +26,6 @@ $(obj)/$(FIRM_DIR)/dahdi-fw-oct6114-064.o: $(obj)/base.o
 
 $(obj)/$(FIRM_DIR)/dahdi-fw-oct6114-128.o: $(obj)/base.o
 	$(MAKE) -C $(obj)/$(FIRM_DIR) dahdi-fw-oct6114-128.o
+
+$(obj)/$(FIRM_DIR)/dahdi-fw-oct6114-256.o: $(obj)/base.o
+	$(MAKE) -C $(obj)/$(FIRM_DIR) dahdi-fw-oct6114-256.o

drivers/dahdi/wct4xxp/vpm450m.c

@@ -172,9 +172,9 @@ UINT32 Oct6100UserDriverReadBurstApi(tPOCT6100_READ_BURST_PARAMS f_pBurstParams)
 
 struct vpm450m {
 	tPOCT6100_INSTANCE_API pApiInstance;
-	UINT32 aulEchoChanHndl[128];
-	int chanflags[128];
-	int ecmode[128];
+	UINT32 aulEchoChanHndl[256];
+	int chanflags[256];
+	int ecmode[256];
 	int numchans;
 };
 
@@ -422,6 +422,8 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 	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;
 	
@@ -467,15 +469,22 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 	ChipOpen->ulMemoryType = cOCT6100_MEM_TYPE_DDR;
 	ChipOpen->ulMemoryChipSize = cOCT6100_MEMORY_CHIP_SIZE_32MB;
 	ChipOpen->ulNumMemoryChips = 1;
-	ChipOpen->ulMaxTdmStreams = 4;
 	ChipOpen->aulTdmStreamFreqs[0] = cOCT6100_TDM_STREAM_FREQ_8MHZ;
-	ChipOpen->ulTdmSampling = cOCT6100_TDM_SAMPLE_AT_FALLING_EDGE;
 	ChipOpen->ulMaxFlexibleConfParticipants = 0;
 	ChipOpen->ulMaxConfBridges = 0;
 	ChipOpen->ulMaxRemoteDebugSessions = 0;
 	ChipOpen->fEnableChannelRecording = FALSE;
 	ChipOpen->ulSoftToneEventsBufSize = 64;
 
+	if (vpm450m->numchans <= 128) {
+		ChipOpen->ulMaxTdmStreams = 4;
+		ChipOpen->ulTdmSampling = cOCT6100_TDM_SAMPLE_AT_FALLING_EDGE;
+	} else {
+		ChipOpen->ulMaxTdmStreams = 32;
+		ChipOpen->fEnableFastH100Mode = TRUE;
+		ChipOpen->ulTdmSampling = cOCT6100_TDM_SAMPLE_AT_RISING_EDGE;
+	}
+
 #if 0
 	ChipOpen->fEnableAcousticEcho = TRUE;
 #endif		
@@ -507,7 +516,11 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 		kfree(ChannelOpen);
 		return NULL;
 	}
-	for (x = 0; x < ARRAY_SIZE(vpm450m->aulEchoChanHndl); x++) {
+
+	sout_stream = (8 == numspans) ? 29 : 2;
+	rout_stream = (8 == numspans) ? 24 : 3;
+
+	for (x = 0; x < ((8 == numspans) ? 256 : 128); x++) {
 		/* execute this loop always on 4 span cards but
 		*  on 2 span cards only execute for the channels related to our spans */
 		if (( numspans > 2) || ((x & 0x03) <2)) {
@@ -515,7 +528,7 @@ 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 & 0x03]) 
+			if (isalaw[x & mask])
 				law = cOCT6100_PCM_A_LAW;
 			else
 				law = cOCT6100_PCM_U_LAW;
@@ -529,11 +542,13 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 			ChannelOpen->TdmConfig.ulSinStream = 1;
 			ChannelOpen->TdmConfig.ulSinTimeslot = x;
 			ChannelOpen->TdmConfig.ulSoutPcmLaw = law;
-			ChannelOpen->TdmConfig.ulSoutStream = 2;
+			ChannelOpen->TdmConfig.ulSoutStream = sout_stream;
 			ChannelOpen->TdmConfig.ulSoutTimeslot = x;
+#if 1
 			ChannelOpen->TdmConfig.ulRoutPcmLaw = law;
-			ChannelOpen->TdmConfig.ulRoutStream = 3;
+			ChannelOpen->TdmConfig.ulRoutStream = rout_stream;
 			ChannelOpen->TdmConfig.ulRoutTimeslot = x;
+#endif
 			ChannelOpen->VqeConfig.fEnableNlp = TRUE;
 			ChannelOpen->VqeConfig.fRinDcOffsetRemoval = TRUE;
 			ChannelOpen->VqeConfig.fSinDcOffsetRemoval = TRUE;
@@ -543,7 +558,7 @@ struct vpm450m *init_vpm450m(void *wc, int *isalaw, int numspans, const struct f
 			
 			ulResult = Oct6100ChannelOpen(vpm450m->pApiInstance, ChannelOpen);
 			if (ulResult != GENERIC_OK) {
-				printk(KERN_NOTICE "Failed to open channel %d!\n", x);
+				printk(KERN_NOTICE "Failed to open channel %d %x!\n", x, ulResult);
 				continue;
 			}
 			for (y = 0; y < ARRAY_SIZE(tones); y++) {

drivers/dahdi/wct4xxp/wct4xxp.h

@@ -54,6 +54,12 @@
 #define FRMR_SIC3 0x40
 #define FRMR_CMR1 0x44
 #define FRMR_CMR2 0x45
+/* OctalFALC Only */
+#define FRMR_CMR4 0x41
+#define FRMR_CMR5 0x42
+#define FRMR_CMR6 0x43
+#define FRMR_GPC2 0x8a
+/* End Octal */
 #define FRMR_GCR 0x46
 #define FRMR_ISR0 0x68
 #define FRMR_ISR0_RME 0x80
@@ -76,6 +82,13 @@
 #define FRMR_CIS_GIS2 0x02
 #define FRMR_CIS_GIS3 0x04
 #define FRMR_CIS_GIS4 0x08
+
+/* CIS - Octal falc bits */
+#define FRMR_CIS_GIS5 0x10
+#define FRMR_CIS_GIS6 0x20
+#define FRMR_CIS_GIS7 0x40
+#define FRMR_CIS_GIS8 0x80
+
 #define FRMR_CMDR 0x02
 #define FRMR_CMDR_SRES 0x01
 #define FRMR_CMDR_XRES 0x10
@@ -113,6 +126,11 @@ struct t4_regs {
 	unsigned char regs[NUM_REGS];
 };
 
+struct t4_reg {
+	unsigned int reg;
+	unsigned int val;
+};
+
 #define T4_CHECK_VPM		0
 #define T4_LOADING_FW		1
 #define T4_STOP_DMA		2
@@ -120,5 +138,7 @@ struct t4_regs {
 #define T4_CHANGE_LATENCY	4
 #define T4_IGNORE_LATENCY	5
 
-#define WCT4_GET_REGS	_IOW (DAHDI_CODE, 60, struct t4_regs)
+#define WCT4_GET_REGS	_IOW(DAHDI_CODE, 60, struct t4_regs)
+#define WCT4_GET_REG	_IOW(DAHDI_CODE, 61, struct t4_reg)
+#define WCT4_SET_REG	_IOW(DAHDI_CODE, 62, struct t4_reg)
 

drivers/dahdi/wctc4xxp/base.c

@@ -73,20 +73,6 @@
 		dev_info(&(wc)->pdev->dev, _fmt, ## _args);		\
 	}								\
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
-#ifndef WARN_ON_ONCE
-#define WARN_ON_ONCE(__condition) do {         \
-	static int __once = 1;                 \
-	if (unlikely(__condition)) {           \
-		if (__once) {                  \
-			__once = 0;            \
-			WARN_ON(0);            \
-		}                              \
-	}                                      \
-} while (0)
-#endif
-#endif
-
 #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)
@@ -394,22 +380,16 @@ struct wcdte {
 #endif
 };
 
-#ifdef HAVE_NETDEV_PRIV
 struct wcdte_netdev_priv {
 	struct wcdte *wc;
 };
-#endif
 
 static inline struct wcdte *
 wcdte_from_netdev(struct net_device *netdev)
 {
-#ifdef HAVE_NETDEV_PRIV
 	struct wcdte_netdev_priv *priv;
 	priv = netdev_priv(netdev);
 	return priv->wc;
-#else
-	return netdev->priv;
-#endif
 }
 
 
@@ -494,6 +474,7 @@ wctc4xxp_skb_to_cmd(struct wcdte *wc, const struct sk_buff *skb)
 	return cmd;
 }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)
 static void
 wctc4xxp_net_set_multi(struct net_device *netdev)
 {
@@ -501,6 +482,15 @@ wctc4xxp_net_set_multi(struct net_device *netdev)
 	DTE_DEBUG(DTE_DEBUG_GENERAL, "%s promiscuity:%d\n",
 	   __func__, netdev->promiscuity);
 }
+#else
+static void
+wctc4xxp_set_rx_mode(struct net_device *netdev)
+{
+	struct wcdte *wc = wcdte_from_netdev(netdev);
+	DTE_DEBUG(DTE_DEBUG_GENERAL, "%s promiscuity:%d\n",
+	   __func__, netdev->promiscuity);
+}
+#endif
 
 static int
 wctc4xxp_net_up(struct net_device *netdev)
@@ -664,7 +654,11 @@ wctc4xxp_net_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
 
 #ifdef HAVE_NET_DEVICE_OPS
 static const struct net_device_ops wctc4xxp_netdev_ops = {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)
 	.ndo_set_multicast_list = &wctc4xxp_net_set_multi,
+#else
+	.ndo_set_rx_mode = &wctc4xxp_set_rx_mode,
+#endif
 	.ndo_open = &wctc4xxp_net_up,
 	.ndo_stop = &wctc4xxp_net_down,
 	.ndo_start_xmit = &wctc4xxp_net_hard_start_xmit,
@@ -686,23 +680,14 @@ wctc4xxp_net_register(struct wcdte *wc)
 {
 	int res;
 	struct net_device *netdev;
-#	ifdef HAVE_NETDEV_PRIV
 	struct wcdte_netdev_priv *priv;
-#	endif
 	const char our_mac[] = { 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
 
-#	ifdef HAVE_NETDEV_PRIV
 	netdev = alloc_netdev(sizeof(*priv), wc->board_name, ether_setup);
 	if (!netdev)
 		return -ENOMEM;
 	priv = netdev_priv(netdev);
 	priv->wc = wc;
-#	else
-	netdev = alloc_netdev(0, wc->board_name, ether_setup);
-	if (!netdev)
-		return -ENOMEM;
-	netdev->priv = wc;
-#	endif
 	memcpy(netdev->dev_addr, our_mac, sizeof(our_mac));
 
 #	ifdef HAVE_NET_DEVICE_OPS
@@ -2173,12 +2158,13 @@ wctc4xxp_write(struct file *file, const char __user *frame,
 	}
 
 	if (DAHDI_FORMAT_G723_1 == dtc->srcfmt) {
-		if ((G723_5K_BYTES != count) && (G723_6K_BYTES != count)) {
+		if ((G723_5K_BYTES != count) && (G723_6K_BYTES != count) &&
+		    (G723_SID_BYTES != count)) {
 			DTE_DEBUG(DTE_DEBUG_GENERAL,
 			   "Trying to transcode packet into G723 format " \
 			   "that is %Zu bytes instead of the expected " \
-			   "%d/%d bytes.\n", count, G723_5K_BYTES,
-			   G723_6K_BYTES);
+			   "%d/%d/%d bytes.\n", count, G723_5K_BYTES,
+			   G723_6K_BYTES, G723_SID_BYTES);
 			return -EINVAL;
 		}
 		cpvt->timestamp += G723_SAMPLES;
@@ -3336,6 +3322,7 @@ wctc4xxp_watchdog(unsigned long data)
 					  "Board malfunctioning.  " \
 					  "Halting operation.\n");
 					reschedule_timer = 0;
+					spin_lock(&wc->cmd_list_lock);
 					break;
 				}
 				/* ERROR:  We've retried the command and

drivers/dahdi/wctdm.c

@@ -205,6 +205,7 @@ struct wctdm {
 	struct pci_dev *dev;
 	char *variety;
 	struct dahdi_span span;
+	struct dahdi_device *ddev;
 	unsigned char ios;
 	int usecount;
 	unsigned int intcount;
@@ -1710,7 +1711,7 @@ static int wctdm_init_voicedaa(struct wctdm *wc, int card, int fast, int manual,
 
 	/* Misc. DAA parameters */
 	if (fastpickup)
-		reg31 = 0xb3;
+		reg31 = 0xe3;
 	else
 		reg31 = 0xa3;
 
@@ -2362,13 +2363,26 @@ static int wctdm_initialize(struct wctdm *wc)
 {
 	int x;
 
+	wc->ddev = dahdi_create_device();
+	if (!wc->ddev)
+		return -ENOMEM;
+
 	/* DAHDI stuff */
 	sprintf(wc->span.name, "WCTDM/%d", wc->pos);
 	snprintf(wc->span.desc, sizeof(wc->span.desc) - 1, "%s Board %d", wc->variety, wc->pos + 1);
-	snprintf(wc->span.location, sizeof(wc->span.location) - 1,
-		 "PCI Bus %02d Slot %02d", wc->dev->bus->number, PCI_SLOT(wc->dev->devfn) + 1);
-	wc->span.manufacturer = "Digium";
-	strlcpy(wc->span.devicetype, wc->variety, sizeof(wc->span.devicetype));
+	wc->ddev->location = kasprintf(GFP_KERNEL,
+				      "PCI Bus %02d Slot %02d",
+				      wc->dev->bus->number,
+				      PCI_SLOT(wc->dev->devfn) + 1);
+	if (!wc->ddev->location) {
+		dahdi_free_device(wc->ddev);
+		wc->ddev = NULL;
+		return -ENOMEM;
+	}
+
+	wc->ddev->manufacturer = "Digium";
+	wc->ddev->devicetype = wc->variety;
+
 	if (alawoverride) {
 		printk(KERN_INFO "ALAW override parameter detected.  Device will be operating in ALAW\n");
 		wc->span.deflaw = DAHDI_LAW_ALAW;
@@ -2384,12 +2398,15 @@ static int wctdm_initialize(struct wctdm *wc)
 	}
 	wc->span.chans = wc->chans;
 	wc->span.channels = NUM_CARDS;
-	wc->span.irq = wc->dev->irq;
 	wc->span.flags = DAHDI_FLAG_RBS;
 	wc->span.ops = &wctdm_span_ops;
 
-	if (dahdi_register(&wc->span, 0)) {
+	list_add_tail(&wc->span.device_node, &wc->ddev->spans);
+	if (dahdi_register_device(wc->ddev, &wc->dev->dev)) {
 		printk(KERN_NOTICE "Unable to register span with DAHDI\n");
+		kfree(wc->ddev->location);
+		dahdi_free_device(wc->ddev);
+		wc->ddev = NULL;
 		return -1;
 	}
 	return 0;
@@ -2677,7 +2694,9 @@ static int __devinit wctdm_init_one(struct pci_dev *pdev, const struct pci_devic
 					release_region(wc->ioaddr, 0xff);
 				pci_free_consistent(pdev, DAHDI_MAX_CHUNKSIZE * 2 * 2 * 2 * 4, (void *)wc->writechunk, wc->writedma);
 				pci_set_drvdata(pdev, NULL);
-				dahdi_unregister(&wc->span);
+				dahdi_unregister_device(wc->ddev);
+				kfree(wc->ddev->location);
+				dahdi_free_device(wc->ddev);
 				kfree(wc);
 				return -EIO;
 
@@ -2708,10 +2727,14 @@ static int __devinit wctdm_init_one(struct pci_dev *pdev, const struct pci_devic
 
 static void wctdm_release(struct wctdm *wc)
 {
-	dahdi_unregister(&wc->span);
+	dahdi_unregister_device(wc->ddev);
 	if (wc->freeregion)
 		release_region(wc->ioaddr, 0xff);
+
+	kfree(wc->ddev->location);
+	dahdi_free_device(wc->ddev);
 	kfree(wc);
+
 	printk(KERN_INFO "Freed a Wildcard\n");
 }
 

drivers/dahdi/wctdm24xxp/wctdm24xxp.h

@@ -45,7 +45,6 @@
  * \brief Default ringer debounce (in ms)
  */
 #define DEFAULT_RING_DEBOUNCE	1024
-
 #define POLARITY_DEBOUNCE	64		/* Polarity debounce (in ms) */
 
 #define OHT_TIMER		6000	/* How long after RING to retain OHT */
@@ -85,7 +84,6 @@
 
 #define NUM_CAL_REGS		12
 
-#define ISR_COMMANDS		2
 #define QRV_DEBOUNCETIME	20
 
 #define VPM150M_HPI_CONTROL	0x00
@@ -107,10 +105,30 @@ struct calregs {
 
 enum battery_state {
 	BATTERY_UNKNOWN = 0,
+	BATTERY_DEBOUNCING_PRESENT,
+	BATTERY_DEBOUNCING_PRESENT_ALARM,
 	BATTERY_PRESENT,
+	BATTERY_DEBOUNCING_LOST,
+	BATTERY_DEBOUNCING_LOST_ALARM,
 	BATTERY_LOST,
 };
 
+enum ring_detector_state {
+	RINGOFF = 0,
+	DEBOUNCING_RINGING_POSITIVE,
+	DEBOUNCING_RINGING_NEGATIVE,
+	RINGING,
+	DEBOUNCING_RINGOFF,
+};
+
+enum polarity_state {
+	UNKNOWN_POLARITY = 0,
+	POLARITY_DEBOUNCE_POSITIVE,
+	POLARITY_POSITIVE,
+	POLARITY_DEBOUNCE_NEGATIVE,
+	POLARITY_NEGATIVE,
+};
+
 struct wctdm_cmd {
 	struct list_head node;
 	struct completion *complete;
@@ -146,29 +164,26 @@ struct wctdm_chan {
 };
 
 struct fxo {
-	int wasringing;
-	int lastrdtx;
-	int lastrdtx_count;
-	int ringdebounce;
+	enum ring_detector_state ring_state:4;
+	enum battery_state battery_state:4;
+	enum polarity_state polarity_state:4;
+	u8 ring_polarity_change_count:4;
+	u8 hook_ring_shadow;
+	s8 line_voltage_status;
 	int offhook;
-	int battdebounce;
-	int battalarm;
-	enum battery_state battery;
-	int lastpol;
-	int polarity;
-	int polaritydebounce;
 	int neonmwi_state;
 	int neonmwi_last_voltage;
 	unsigned int neonmwi_debounce;
 	unsigned int neonmwi_offcounter;
+	unsigned long display_fxovoltage;
+	unsigned long ringdebounce_timer;
+	unsigned long battdebounce_timer;
+	unsigned long poldebounce_timer;
 };
 
 struct fxs {
-	int oldrxhook;
-	int debouncehook;
-	int lastrxhook;
-	int debounce;
-	int ohttimer;
+	u8 oht_active:1;
+	u8 off_hook:1;
 	int idletxhookstate;	/* IDLE changing hook state */
 /* lasttxhook reflects the last value written to the proslic's reg
 * 64 (LINEFEED_CONTROL) in bits 0-2.  Bit 4 indicates if the last
@@ -180,13 +195,18 @@ struct fxs {
 * voicebus ISR.
 */
 	int lasttxhook;
-	int oppending_ms;
+	u8 linefeed_control_shadow;
+	u8 hook_state_shadow;
 	int palarms;
 	struct dahdi_vmwi_info vmwisetting;
 	int vmwi_active_messages;
 	int vmwi_linereverse;
 	int reversepolarity;	/* polarity reversal */
 	struct calregs calregs;
+	unsigned long check_alarm;
+	unsigned long check_proslic;
+	unsigned long oppending_timeout;
+	unsigned long ohttimer;
 };
 
 struct qrv {
@@ -203,6 +223,7 @@ struct qrv {
 	int radmode;
 	signed short rxgain;
 	signed short txgain;
+	u8 isrshadow[3];
 };
 
 enum module_type {
@@ -215,7 +236,7 @@ enum module_type {
 };
 
 struct wctdm_module {
-	union {
+	union modtypes {
 		struct fxo fxo;
 		struct fxs fxs;
 		struct qrv qrv;
@@ -227,7 +248,6 @@ struct wctdm_module {
 	struct list_head active_cmds;
 	u8 offsets[3];
 	u8 subaddr;
-	u8 isrshadow[ISR_COMMANDS];
 	u8 card;
 
 	enum module_type type;
@@ -242,7 +262,7 @@ struct wctdm {
 	spinlock_t frame_list_lock;
 	struct list_head frame_list;
 
-	unsigned int intcount;
+	unsigned long framecount;
 	unsigned char txident;
 	unsigned char rxident;
 
@@ -255,6 +275,7 @@ struct wctdm {
 
 	spinlock_t reglock;			/* held when accessing anything affecting the module array */
 	wait_queue_head_t regq;
+	struct list_head free_isr_commands;
 
 	struct wctdm_module mods[NUM_MODULES];
 
@@ -276,6 +297,7 @@ struct wctdm {
 	int not_ready;		 /* 0 when the entire card is ready to go */
 	unsigned long checkflag; /* Internal state flags and task bits */
 	int companding;
+	struct dahdi_device *ddev;
 };
 
 static inline bool is_initialized(struct wctdm *wc)

drivers/dahdi/wcte11xp.c

@@ -174,6 +174,7 @@ struct t1 {
 	unsigned char ec_chunk1[32][DAHDI_CHUNKSIZE];
 	unsigned char ec_chunk2[32][DAHDI_CHUNKSIZE];
 	unsigned char tempo[33];
+	struct dahdi_device *ddev;
 	struct dahdi_span span;						/* Span */
 	struct dahdi_chan *chans[32];					/* Channels */
 };
@@ -340,10 +341,12 @@ static void t1xxp_release(struct t1 *wc)
 {
 	unsigned int x;
 
-	dahdi_unregister(&wc->span);
+	dahdi_unregister_device(wc->ddev);
 	for (x = 0; x < (wc->spantype == TYPE_E1 ? 31 : 24); x++) {
 		kfree(wc->chans[x]);
 	}
+	kfree(wc->ddev->location);
+	dahdi_free_device(wc->ddev);
 	kfree(wc);
 	printk(KERN_INFO "Freed a Wildcard\n");
 }
@@ -976,15 +979,21 @@ static int t1xxp_software_init(struct t1 *wc)
 	}
 	if (x >= WC_MAX_CARDS)
 		return -1;
+
+	wc->ddev = dahdi_create_device();
+
 	t4_serial_setup(wc);
 	wc->num = x;
 	sprintf(wc->span.name, "WCT1/%d", wc->num);
 	snprintf(wc->span.desc, sizeof(wc->span.desc) - 1, "%s Card %d", wc->variety, wc->num);
-	wc->span.manufacturer = "Digium";
-	strlcpy(wc->span.devicetype, wc->variety, sizeof(wc->span.devicetype));
-	snprintf(wc->span.location, sizeof(wc->span.location) - 1,
-		 "PCI Bus %02d Slot %02d", wc->dev->bus->number, PCI_SLOT(wc->dev->devfn) + 1);
-	wc->span.irq = wc->dev->irq;
+	wc->ddev->manufacturer = "Digium";
+	wc->ddev->devicetype = wc->variety;
+	wc->ddev->location = kasprintf(GFP_KERNEL, "PCI Bus %02d Slot %02d",
+				       wc->dev->bus->number,
+				       PCI_SLOT(wc->dev->devfn) + 1);
+	if (!wc->ddev->location)
+		return -ENOMEM;
+
 	if (wc->spantype == TYPE_E1) {
 		if (unchannelized)
 			wc->span.channels = 32;
@@ -1011,7 +1020,8 @@ static int t1xxp_software_init(struct t1 *wc)
 		wc->chans[x]->chanpos = x + 1;
 	}
 	wc->span.ops = &t1xxp_span_ops;
-	if (dahdi_register(&wc->span, 0)) {
+	list_add_tail(&wc->span.device_node, &wc->ddev->spans);
+	if (dahdi_register_device(wc->ddev, &wc->dev->dev)) {
 		printk(KERN_NOTICE "Unable to register span with DAHDI\n");
 		return -1;
 	}
@@ -1118,10 +1128,10 @@ static void t1xxp_receiveprep(struct t1 *wc, int ints)
 	if (((oldcan & 0xffff0000) >> 16) != CANARY) {
 		/* Check top part */
 		if (debug) printk(KERN_DEBUG "Expecting top %04x, got %04x\n", CANARY, (oldcan & 0xffff0000) >> 16);
-		wc->span.irqmisses++;
+		wc->ddev->irqmisses++;
 	} else if ((oldcan & 0xffff) != ((wc->canary - 1) & 0xffff)) {
 		if (debug) printk(KERN_DEBUG "Expecting bottom %d, got %d\n", wc->canary - 1, oldcan & 0xffff);
-		wc->span.irqmisses++;
+		wc->ddev->irqmisses++;
 	}
 	for (y=0;y<DAHDI_CHUNKSIZE;y++) {
 		for (x=0;x<wc->span.channels;x++) {

drivers/dahdi/wcte12xp/base.c

@@ -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>
@@ -56,12 +58,13 @@
 #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;
+static int t1e1override = -1; /* deprecated */
+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;
@@ -94,6 +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";
@@ -635,21 +643,21 @@ 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();
+
 	ret = wait_for_completion_interruptible_timeout(&cmd->complete, HZ*10);
 	if (unlikely(!ret)) {
 		spin_lock_irqsave(&wc->reglock, flags);
@@ -680,10 +688,22 @@ static int t1_getreg(struct t1 *wc, int addr)
 		}
 	}
 	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;
@@ -750,7 +770,7 @@ static void __t1xxp_set_clear(struct t1 *wc)
 	/* Calculate all states on all 24 channels using the channel
 	   flags, then write all 3 clear channel registers at once */
 
-	for (i = 0; i < 24; i++) {
+	for (i = 0; i < wc->span.channels; i++) {
 		offset = i/8;
 		if (wc->span.chans[i]->flags & DAHDI_FLAG_CLEAR)
 			reg[offset] |= 1 << (7 - (i % 8));
@@ -771,19 +791,31 @@ static void __t1xxp_set_clear(struct t1 *wc)
 		t1_info(wc, "Unable to set clear/rbs mode!\n");
 }
 
+/**
+ * _t1_free_channels - Free the memory allocated for the channels.
+ *
+ * Must be called with wc->reglock held.
+ *
+ */
+static void _t1_free_channels(struct t1 *wc)
+{
+	int x;
+	for (x = 0; x < ARRAY_SIZE(wc->chans); x++) {
+		kfree(wc->chans[x]);
+		kfree(wc->ec[x]);
+		wc->chans[x] = NULL;
+		wc->ec[x] = NULL;
+	}
+}
+
 static void free_wc(struct t1 *wc)
 {
-	unsigned int x;
 	unsigned long flags;
 	struct command *cmd;
 	LIST_HEAD(list);
 
-	for (x = 0; x < (wc->spantype == TYPE_E1 ? 31 : 24); x++) {
-		kfree(wc->chans[x]);
-		kfree(wc->ec[x]);
-	}
-
 	spin_lock_irqsave(&wc->reglock, flags);
+	_t1_free_channels(wc);
 	list_splice_init(&wc->active_cmds, &list);
 	list_splice_init(&wc->pending_cmds, &list);
 	spin_unlock_irqrestore(&wc->reglock, flags);
@@ -803,14 +835,14 @@ static void free_wc(struct t1 *wc)
 	}
 #endif
 
+	kfree(wc->ddev->location);
+	kfree(wc->ddev->devicetype);
+	dahdi_free_device(wc->ddev);
 	kfree(wc);
 }
 
 static void t4_serial_setup(struct t1 *wc)
 {
-	t1_info(wc, "Setting up global serial parameters for %s\n",
-		((wc->spantype == TYPE_E1) ? "E1" : "T1"));
-
 	t1_setreg(wc, 0x85, 0xe0);	/* GPC1: Multiplex mode enabled, FSC is output, active low, RCLK from channel 0 */
 	t1_setreg(wc, 0x08, 0x05);	/* IPC: Interrupt push/pull active low */
 
@@ -861,7 +893,8 @@ 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 (!strcasecmp("j1", wc->span.spantype))
 		fmr4 = 0x1c;
 	else
 		fmr4 = 0x0c; /* FMR4: Lose sync on 2 out of 5 framing bits, auto resync */
@@ -901,7 +934,7 @@ 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 (!strcasecmp("j1", wc->span.spantype))
 		t1_setreg(wc, 0x24, 0x80); /* J1 overide */
 		
 	/* Generate pulse mask for T1 */
@@ -1004,12 +1037,12 @@ static void t1_configure_e1(struct t1 *wc, int lineconfig)
 	t1_info(wc, "Span configured for %s/%s%s\n", framing, line, crc4);
 }
 
-static void t1xxp_framer_start(struct t1 *wc, struct dahdi_span *span)
+static void t1xxp_framer_start(struct t1 *wc)
 {
-	if (wc->spantype == TYPE_E1) { /* if this is an E1 card */
-		t1_configure_e1(wc, span->lineconfig);
+	if (dahdi_is_e1_span(&wc->span)) {
+		t1_configure_e1(wc, wc->span.lineconfig);
 	} else { /* is a T1 card */
-		t1_configure_t1(wc, span->lineconfig, span->txlevel);
+		t1_configure_t1(wc, wc->span.lineconfig, wc->span.txlevel);
 		__t1xxp_set_clear(wc);
 	}
 
@@ -1018,14 +1051,28 @@ static void t1xxp_framer_start(struct t1 *wc, struct dahdi_span *span)
 
 static void set_span_devicetype(struct t1 *wc)
 {
-	strncpy(wc->span.devicetype, wc->variety,
-		sizeof(wc->span.devicetype) - 1);
+	const char *olddevicetype;
+	olddevicetype = wc->ddev->devicetype;
 
 #if defined(VPM_SUPPORT)
-	if (wc->vpmadt032)
-		strncat(wc->span.devicetype, " (VPMADT032)",
-			sizeof(wc->span.devicetype) - 1);
+	if (wc->vpmadt032) {
+		wc->ddev->devicetype = kasprintf(GFP_KERNEL,
+						 "%s (VPMADT032)", wc->variety);
+	} else if (wc->vpmoct) {
+		wc->ddev->devicetype = kasprintf(GFP_KERNEL,
+						 "%s (VPMOCT032)", wc->variety);
+	} else {
+		wc->ddev->devicetype = kasprintf(GFP_KERNEL, "%s", wc->variety);
+	}
+#else
+	wc->ddev->devicetype = kasprintf(GFP_KERNEL, "%s", wc->variety);
 #endif
+
+	/* On the off chance that we were able to allocate it previously. */
+	if (!wc->ddev->devicetype)
+		wc->ddev->devicetype = olddevicetype;
+	else
+		kfree(olddevicetype);
 }
 
 static int t1xxp_startup(struct file *file, struct dahdi_span *span)
@@ -1046,7 +1093,7 @@ static int t1xxp_startup(struct file *file, struct dahdi_span *span)
 #endif
 
 	/* Reset framer with proper parameters and start */
-	t1xxp_framer_start(wc, span);
+	t1xxp_framer_start(wc);
 	debug_printk(wc, 1, "Calling startup (flags is %lu)\n", span->flags);
 
 	return 0;
@@ -1086,7 +1133,7 @@ static int t1xxp_chanconfig(struct file *file,
 	}
 
 	if (test_bit(DAHDI_FLAGBIT_RUNNING, &chan->span->flags) &&
-		(wc->spantype != TYPE_E1)) {
+	    dahdi_is_t1_span(&wc->span)) {
 		__t1xxp_set_clear(wc);
 	}
 	return 0;
@@ -1101,7 +1148,7 @@ static int t1xxp_rbsbits(struct dahdi_chan *chan, int bits)
 	
 	debug_printk(wc, 2, "Setting bits to %d on channel %s\n",
 		     bits, chan->name);
-	if (wc->spantype == TYPE_E1) { /* do it E1 way */
+	if (dahdi_is_e1_span(&wc->span)) { /* do it E1 way */
 		if (chan->chanpos == 16)
 			return 0;
 
@@ -1148,15 +1195,47 @@ 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 (wc->spantype == TYPE_E1) {
+
+	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);
@@ -1174,8 +1253,29 @@ 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;
@@ -1205,8 +1305,28 @@ 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);
@@ -1224,6 +1344,21 @@ 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 {
@@ -1249,7 +1384,7 @@ static void t1xxp_maint_work(struct work_struct *work)
 	int reg = 0;
 	int cmd = w->cmd;
 
-	if (wc->spantype == TYPE_E1) {
+	if (dahdi_is_e1_span(&wc->span)) {
 		switch (cmd) {
 		case DAHDI_MAINT_NONE:
 			t1_info(wc, "Clearing all maint modes\n");
@@ -1321,7 +1456,7 @@ static int t1xxp_maint(struct dahdi_span *span, int cmd)
 	struct maint_work_struct *work;
 	struct t1 *wc = container_of(span, struct t1, span);
 
-	if (wc->spantype == TYPE_E1) {
+	if (dahdi_is_e1_span(&wc->span)) {
 		switch (cmd) {
 		case DAHDI_MAINT_NONE:
 		case DAHDI_MAINT_LOCALLOOP:
@@ -1570,6 +1705,7 @@ static int vpm_start_load(struct t1 *wc)
 	work->wc = wc;
 
 	queue_work(wc->wq, &work->work);
+	wc->not_ready++;
 	return 0;
 }
 
@@ -1616,12 +1752,23 @@ static void check_and_load_vpm(struct t1 *wc)
 	options.vpmnlptype = vpmnlptype;
 	options.vpmnlpthresh = vpmnlpthresh;
 	options.vpmnlpmaxsupp = vpmnlpmaxsupp;
-	options.channels = (TYPE_T1 == wc->spantype) ? 24 : 32;
+	options.channels = dahdi_is_t1_span(&wc->span) ? 24 : 32;
 
 	/* We do not want to check that the VPM is alive until after we're
 	 * done setting it up here, an hour should cover it... */
 	wc->vpm_check = jiffies + HZ*3600;
 
+	/* If there was one already allocated, let's free it. */
+	if (wc->vpmadt032) {
+		vpmadt = wc->vpmadt032;
+		clear_bit(VPM150M_ACTIVE, &vpmadt->control);
+		flush_workqueue(vpmadt->wq);
+		spin_lock_irqsave(&wc->reglock, flags);
+		wc->vpmadt032 = NULL;
+		spin_unlock_irqrestore(&wc->reglock, flags);
+		vpmadt032_free(vpmadt);
+	}
+
 	vpmadt = vpmadt032_alloc(&options);
 	if (!vpmadt)
 		return;
@@ -1660,6 +1807,8 @@ static void check_and_load_vpm(struct t1 *wc)
 
 		vpmoct_init(vpmoct, t1_vpm_load_complete);
 	}
+
+	set_span_devicetype(wc);
 }
 #else
 static inline void check_and_load_vpm(const struct t1 *wc)
@@ -1674,7 +1823,7 @@ static void t1_chan_set_sigcap(struct dahdi_span *span, int x)
 	struct dahdi_chan *chan = wc->chans[x];
 	chan->sigcap = DAHDI_SIG_CLEAR;
 	/* E&M variant supported depends on span type */
-	if (wc->spantype == TYPE_E1) {
+	if (dahdi_is_e1_span(&wc->span)) {
 		/* E1 sigcap setup */
 		if (span->lineconfig & DAHDI_CONFIG_CCS) {
 			/* CCS setup */
@@ -1757,84 +1906,162 @@ static void t1xxp_disable_hw_preechocan(struct dahdi_chan *chan)
 	vpmoct_preecho_disable(wc->vpmoct, chan->chanpos - 1);
 }
 
-static const struct dahdi_span_ops t1_span_ops = {
-	.owner = THIS_MODULE,
-	.spanconfig = t1xxp_spanconfig,
-	.chanconfig = t1xxp_chanconfig,
-	.startup = t1xxp_startup,
-	.rbsbits = t1xxp_rbsbits,
-	.maint = t1xxp_maint,
-	.ioctl = t1xxp_ioctl,
-#ifdef VPM_SUPPORT
-	.enable_hw_preechocan = t1xxp_enable_hw_preechocan,
-	.disable_hw_preechocan = t1xxp_disable_hw_preechocan,
-	.echocan_create = t1xxp_echocan_create,
-	.echocan_name = t1xxp_echocan_name,
-#endif
-};
-
-static int t1_software_init(struct t1 *wc)
+/**
+ * t1_software_init - Initialize the board for the given type.
+ * @wc:		The board to initialize.
+ * @type:	The type of board we are, T1 / E1
+ *
+ * This function is called at startup and when the type of the span is changed
+ * via the dahdi_device before the span is assigned a number.
+ *
+ */
+static int t1_software_init(struct t1 *wc, enum linemode type)
 {
 	int x;
-	int num;
-	struct pci_dev *pdev = wc->vb.pdev;
+	struct dahdi_chan *chans[32] = {NULL,};
+	struct dahdi_echocan_state *ec[32] = {NULL,};
+	unsigned long flags;
+	int res = 0;
 
-	/* Find position */
-	for (x = 0; x < ARRAY_SIZE(ifaces); ++x) {
-		if (ifaces[x] == wc) {
-			debug_printk(wc, 1, "software init for card %d\n", x);
-			break;
-		}
+	/* We may already be setup properly. */
+	if (wc->span.channels == ((E1 == type) ? 31 : 24))
+		return 0;
+
+	for (x = 0; x < ((E1 == type) ? 31 : 24); x++) {
+		chans[x] = kzalloc(sizeof(*chans[x]), GFP_KERNEL);
+		ec[x] = kzalloc(sizeof(*ec[x]), GFP_KERNEL);
+		if (!chans[x] || !ec[x])
+			goto error_exit;
 	}
 
-	if (x == ARRAY_SIZE(ifaces))
-		return -1;
-
-	t4_serial_setup(wc);
-
-	num = x;
-	sprintf(wc->span.name, "WCT1/%d", num);
-	snprintf(wc->span.desc, sizeof(wc->span.desc) - 1, "%s Card %d", wc->variety, num);
-	wc->span.manufacturer = "Digium";
 	set_span_devicetype(wc);
 
-	snprintf(wc->span.location, sizeof(wc->span.location) - 1,
-		"PCI Bus %02d Slot %02d", pdev->bus->number,
-		PCI_SLOT(pdev->devfn) + 1);
+	/* Because the interrupt handler is running, we need to atomically
+	 * swap the channel arrays. */
+	spin_lock_irqsave(&wc->reglock, flags);
+	_t1_free_channels(wc);
+	memcpy(wc->chans, chans, sizeof(wc->chans));
+	memcpy(wc->ec, ec, sizeof(wc->ec));
+	memset(chans, 0, sizeof(chans));
+	memset(ec, 0, sizeof(ec));
 
-	wc->span.irq = pdev->irq;
-
-	if (wc->spantype == TYPE_E1) {
+	switch (type) {
+	case E1:
 		wc->span.channels = 31;
 		wc->span.spantype = "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.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 = "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;
 	}
-	wc->span.chans = wc->chans;
+
+	spin_unlock_irqrestore(&wc->reglock, flags);
+
+	if (!wc->ddev->location)
+		return -ENOMEM;
+
+	t1_info(wc, "Setting up global serial parameters for %s\n",
+		wc->span.spantype);
+
+	t4_serial_setup(wc);
 	set_bit(DAHDI_FLAGBIT_RBS, &wc->span.flags);
 	for (x = 0; x < wc->span.channels; x++) {
-		sprintf(wc->chans[x]->name, "WCT1/%d/%d", num, x + 1);
+		sprintf(wc->chans[x]->name, "%s/%d", wc->span.name, x + 1);
 		t1_chan_set_sigcap(&wc->span, x);
 		wc->chans[x]->pvt = wc;
 		wc->chans[x]->chanpos = x + 1;
 	}
 
 	check_and_load_vpm(wc);
-
-	wc->span.ops = &t1_span_ops;
-	if (dahdi_register(&wc->span, 0)) {
-		t1_info(wc, "Unable to register span with DAHDI\n");
-		return -1;
-	}
+	set_span_devicetype(wc);
 
 	return 0;
+
+error_exit:
+	for (x = 0; x < ARRAY_SIZE(chans); ++x) {
+		kfree(chans[x]);
+		kfree(ec[x]);
+	}
+	return res;
+}
+
+/**
+ * t1xx_set_linemode - Change the type of span before assignment.
+ * @span:		The span to change.
+ * @linemode:		Text string for the line mode.
+ *
+ * This function may be called after the dahdi_device is registered but
+ * before the spans are assigned numbers (and are visible to the rest of
+ * DAHDI).
+ *
+ */
+static int t1xxp_set_linemode(struct dahdi_span *span, const char *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))
+		return 0;
+
+	res = t1_wait_for_ready(wc);
+	if (res)
+		return res;
+
+	/* Stop the processing of the channels since we're going to change
+	 * them. */
+	clear_bit(INITIALIZED, &wc->bit_flags);
+	smp_mb__after_clear_bit();
+	del_timer_sync(&wc->timer);
+	flush_workqueue(wc->wq);
+
+	if (!strcasecmp(linemode, "t1")) {
+		dev_info(&wc->vb.pdev->dev,
+			 "Changing from %s to T1 line mode.\n",
+			 wc->span.spantype);
+		res = t1_software_init(wc, T1);
+	} else if (!strcasecmp(linemode, "e1")) {
+		dev_info(&wc->vb.pdev->dev,
+			 "Changing from %s to E1 line mode.\n",
+			 wc->span.spantype);
+		res = t1_software_init(wc, E1);
+	} else if (!strcasecmp(linemode, "j1")) {
+		dev_info(&wc->vb.pdev->dev,
+			 "Changing from %s to E1 line mode.\n",
+			 wc->span.spantype);
+		res = t1_software_init(wc, J1);
+	} else {
+		dev_err(&wc->vb.pdev->dev,
+			"'%s' is an unknown linemode.\n", linemode);
+		res = -EINVAL;
+	}
+
+	/* Since we probably reallocated the channels we need to make
+	 * sure they are configured before setting INITIALIZED again. */
+	if (!res) {
+		dahdi_init_span(span);
+		set_bit(INITIALIZED, &wc->bit_flags);
+		mod_timer(&wc->timer, jiffies + HZ/5);
+	}
+	return res;
 }
 
 #if 0
@@ -1853,39 +2080,55 @@ static inline unsigned char t1_vpm_out(struct t1 *wc, int unit, const unsigned i
 #endif
 #endif
 
-static int t1_hardware_post_init(struct t1 *wc)
+static int t1_hardware_post_init(struct t1 *wc, enum linemode *type)
 {
 	int res;
-	unsigned int reg;
+	int reg;
 	int x;
 
 	/* T1 or E1 */
-	if (t1e1override > -1) {
-		if (t1e1override)
-			wc->spantype = TYPE_E1;
-		else
-			wc->spantype = TYPE_T1;
+	if ((-1 != t1e1override) || (-1 != j1mode)) {
+		*type = (t1e1override) ? E1 : (j1mode) ? J1 : T1;
 	} else {
-		u8 pins;
-		res = t1_getpins(wc, &pins);
-		if (res)
-			return res;
-
-		wc->spantype = (pins & 0x01) ? TYPE_T1 : TYPE_E1;
+		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);
+			if (res)
+				return res;
+			*type = (pins & 0x01) ? T1 : E1;
+		}
 	}
-	debug_printk(wc, 1, "spantype: %s\n", 1 == wc->spantype ? "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);
 	reg = t1_getreg(wc, 0x4a);
+	if (reg < 0) {
+		t1_info(wc, "Failed to read FALC version (%d)\n", reg);
+		return -EIO;
+	}
 	debug_printk(wc, 1, "FALC version: %08x\n", reg);
 
 	/* make sure reads and writes work */
 	for (x = 0; x < 256; x++) {
 		t1_setreg(wc, 0x14, x);
 		reg = t1_getreg(wc, 0x14);
-		if (reg != x)
-			t1_info(wc, "Wrote '%x' but read '%x'\n", x, reg);
+		if (reg < 0) {
+			t1_info(wc, "Failed register read (%d)\n", reg);
+			return -EIO;
+		}
+		if (reg != x) {
+			t1_info(wc, "Register test failed. "
+				"Wrote '%x' but read '%x'\n", x, reg);
+			return -EIO;
+		}
 	}
 
 	t1_setleds(wc, wc->ledstate);
@@ -1893,19 +2136,41 @@ static int t1_hardware_post_init(struct t1 *wc)
 	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;
@@ -1913,7 +2178,7 @@ static inline void t1_check_alarms(struct t1 *wc)
 	/* And consider only carrier alarms */
 	wc->span.alarms &= (DAHDI_ALARM_RED | DAHDI_ALARM_BLUE | DAHDI_ALARM_NOTOPEN);
 
-	if (wc->spantype == TYPE_E1) {
+	if (dahdi_is_e1_span(&wc->span)) {
 		if (c & 0x04) {
 			/* No multiframe found, force RAI high after 400ms only if
 			   we haven't found a multiframe since last loss
@@ -2239,7 +2504,7 @@ static inline void t1_receiveprep(struct t1 *wc, const u8* sframe)
 			wc->rxident = eframe[EFRAME_SIZE + 1];
 			wc->statreg = eframe[EFRAME_SIZE + 2];
 			if (wc->rxident != expected) {
-				wc->span.irqmisses++;
+				wc->ddev->irqmisses++;
 				_resend_cmds(wc);
 				if (unlikely(debug)) {
 					t1_info(wc, "oops: rxident=%d "
@@ -2321,11 +2586,11 @@ 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)
@@ -2522,14 +2787,31 @@ static inline void remove_sysfs_files(struct t1 *wc) { return; }
 
 #endif /* CONFIG_VOICEBUS_SYSFS */
 
+static const struct dahdi_span_ops t1_span_ops = {
+	.owner = THIS_MODULE,
+	.spanconfig = t1xxp_spanconfig,
+	.chanconfig = t1xxp_chanconfig,
+	.startup = t1xxp_startup,
+	.rbsbits = t1xxp_rbsbits,
+	.maint = t1xxp_maint,
+	.ioctl = t1xxp_ioctl,
+	.set_spantype = t1xxp_set_linemode,
+#ifdef VPM_SUPPORT
+	.enable_hw_preechocan = t1xxp_enable_hw_preechocan,
+	.disable_hw_preechocan = t1xxp_disable_hw_preechocan,
+	.echocan_create = t1xxp_echocan_create,
+	.echocan_name = t1xxp_echocan_name,
+#endif
+};
 
 static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	struct t1 *wc;
-	struct t1_desc *d = (struct t1_desc *) ent->driver_data;
+	const struct t1_desc *d = (struct t1_desc *) ent->driver_data;
 	unsigned int x;
 	int res;
 	unsigned int index = -1;
+	enum linemode type;
 
 	for (x = 0; x < ARRAY_SIZE(ifaces); x++) {
 		if (!ifaces[x]) {
@@ -2548,18 +2830,22 @@ static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_devi
 	if (!wc)
 		return -ENOMEM;
 
-	wc->not_ready = 1;
+	/* Set the performance counters to -1 since this card currently does
+	 * not support collecting them. */
+	memset(&wc->span.count, -1, sizeof(wc->span.count));
 
 	ifaces[index] = wc;
 
+	sprintf(wc->span.name, "WCT1/%d", index);
+	snprintf(wc->span.desc, sizeof(wc->span.desc) - 1, "%s Card %d",
+		 d->name, index);
+	wc->not_ready = 1;
 	wc->ledstate = -1;
+	wc->variety = d->name;
+	wc->txident = 1;
 	spin_lock_init(&wc->reglock);
 	INIT_LIST_HEAD(&wc->active_cmds);
 	INIT_LIST_HEAD(&wc->pending_cmds);
-
-	wc->variety = d->name;
-	wc->txident = 1;
-
 #	if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
 	wc->timer.function = te12xp_timer;
 	wc->timer.data = (unsigned long)wc;
@@ -2580,6 +2866,22 @@ static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_devi
 	INIT_WORK(&wc->vpm_check_work, vpm_check_func);
 #	endif
 
+	wc->ddev = dahdi_create_device();
+	if (!wc->ddev) {
+		ifaces[index] = NULL;
+		kfree(wc);
+		return -ENOMEM;
+	}
+	wc->ddev->manufacturer = "Digium";
+	wc->ddev->location = kasprintf(GFP_KERNEL, "PCI Bus %02d Slot %02d",
+				      pdev->bus->number,
+				      PCI_SLOT(pdev->devfn) + 1);
+	if (!wc->ddev->location) {
+		ifaces[index] = NULL;
+		kfree(wc);
+		return -ENOMEM;
+	}
+
 #ifdef CONFIG_VOICEBUS_ECREFERENCE
 	for (x = 0; x < ARRAY_SIZE(wc->ec_reference); ++x) {
 		/* 256 is used here since it is the largest power of two that
@@ -2596,6 +2898,13 @@ 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;
@@ -2611,6 +2920,7 @@ static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_devi
 	wc->wq = create_singlethread_workqueue(wc->name);
 	if (!wc->wq) {
 		kfree(wc);
+		ifaces[index] = NULL;
 		return -ENOMEM;
 	}
 
@@ -2624,36 +2934,33 @@ static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_devi
 	if (voicebus_start(&wc->vb)) {
 		voicebus_release(&wc->vb);
 		free_wc(wc);
+		ifaces[index] = NULL;
 		return -EIO;
 	}
 
-	res = t1_hardware_post_init(wc);
+	res = t1_hardware_post_init(wc, &type);
 	if (res) {
 		voicebus_release(&wc->vb);
 		free_wc(wc);
+		ifaces[index] = NULL;
 		return res;
 	}
 
-	for (x = 0; x < (wc->spantype == TYPE_E1 ? 31 : 24); x++) {
-		wc->chans[x] = kzalloc(sizeof(*wc->chans[x]), GFP_KERNEL);
-		if (!wc->chans[x]) {
-			free_wc(wc);
-			ifaces[index] = NULL;
-			return -ENOMEM;
-		}
+	wc->span.chans = wc->chans;
 
-		wc->ec[x] = kzalloc(sizeof(*wc->ec[x]), GFP_KERNEL);
-		if (!wc->ec[x]) {
-			free_wc(wc);
-			ifaces[index] = NULL;
-			return -ENOMEM;
-		}
-	}
-
-	res = t1_software_init(wc);
+	res = t1_software_init(wc, type);
 	if (res) {
 		voicebus_release(&wc->vb);
 		free_wc(wc);
+		ifaces[index] = NULL;
+		return res;
+	}
+
+	wc->span.ops = &t1_span_ops;
+	list_add_tail(&wc->span.device_node, &wc->ddev->spans);
+	res = dahdi_register_device(wc->ddev, &wc->vb.pdev->dev);
+	if (res) {
+		t1_info(wc, "Unable to register with DAHDI\n");
 		return res;
 	}
 
@@ -2663,10 +2970,7 @@ static int __devinit te12xp_init_one(struct pci_dev *pdev, const struct pci_devi
 	t1_info(wc, "Found a %s\n", wc->variety);
 	voicebus_unlock_latency(&wc->vb);
 
-	/* If there is VPMADT032 module attached to this device, it will
-	 * signal ready after the channels are configured and ready for use. */
-	if (!wc->vpmadt032)
-		wc->not_ready--;
+	wc->not_ready--;
 	return 0;
 }
 
@@ -2681,7 +2985,7 @@ static void __devexit te12xp_remove_one(struct pci_dev *pdev)
 	if (!wc)
 		return;
 
-	dahdi_unregister(&wc->span);
+	dahdi_unregister_device(wc->ddev);
 
 	remove_sysfs_files(wc);
 
@@ -2772,6 +3076,22 @@ static int __init te12xp_init(void)
 	if (!cmd_cache)
 		return -ENOMEM;
 
+	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.\n", default_linemode);
+		default_linemode = "auto";
+		kmem_cache_destroy(cmd_cache);
+		return -EINVAL;
+	}
 	res = dahdi_pci_module(&te12xp_driver);
 	if (res) {
 		kmem_cache_destroy(cmd_cache);
@@ -2790,6 +3110,9 @@ static void __exit te12xp_cleanup(void)
 
 module_param(debug, int, S_IRUGO | S_IWUSR);
 module_param(t1e1override, int, S_IRUGO | S_IWUSR);
+module_param(default_linemode, charp, S_IRUGO);
+MODULE_PARM_DESC(default_linemode, "\"auto\"(default), \"e1\", or \"t1\". "
+		 "\"auto\" will use the value from the hardware jumpers.");
 module_param(j1mode, int, S_IRUGO | S_IWUSR);
 module_param(alarmdebounce, int, S_IRUGO | S_IWUSR);
 module_param(losalarmdebounce, int, S_IRUGO | S_IWUSR);

drivers/dahdi/wcte12xp/wcte12xp.h

@@ -74,8 +74,11 @@
 #define CMD_BYTE(slot, a, is_vpm) (slot*6)+(a*2)+is_vpm /* only even slots */
 //TODO: make a separate macro
 
-#define TYPE_T1	1
-#define TYPE_E1	2
+enum linemode {
+	T1 = 1,
+	E1,
+	J1,
+};
 
 struct command {
 	struct list_head node;
@@ -94,7 +97,6 @@ struct t1 {
 	unsigned char txident;
 	unsigned char rxident;
 	unsigned char statreg; /* bit 0 = vpmadt032 int */
-	int spantype;
 	struct {
 		unsigned int nmf:1;
 		unsigned int sendingyellow:1;
@@ -116,6 +118,7 @@ struct t1 {
 	unsigned long alarmtimer;
 	unsigned char ledstate;
 	unsigned char vpm_check_count;
+	struct dahdi_device *ddev;
 	struct dahdi_span span;						/* Span */
 	struct dahdi_chan *chans[32];					/* Channels */
 	struct dahdi_echocan_state *ec[32];				/* Echocan state for channels */

drivers/dahdi/xpp/card_bri.c

@@ -35,6 +35,10 @@
 
 static const char rcsid[] = "$Id$";
 
+#ifndef	DAHDI_SIG_HARDHDLC
+#error Cannot build BRI without HARDHDLC supprt
+#endif
+
 static DEF_PARM(int, debug, 0, 0644, "Print DBG statements");	/* must be before dahdi_debug.h */
 static DEF_PARM(uint, poll_interval, 500, 0644, "Poll channel state interval in milliseconds (0 - disable)");
 static DEF_PARM_BOOL(nt_keepalive, 1, 0644, "Force BRI_NT to keep trying connection");
@@ -129,22 +133,7 @@ typedef union {
 #define	REG30_LOST	3	/* in polls */
 #define	DCHAN_LOST	15000	/* in ticks */
 
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-#define	BRI_DCHAN_SIGCAP	(			  \
-					DAHDI_SIG_EM	| \
-					DAHDI_SIG_CLEAR	| \
-					DAHDI_SIG_FXSLS	| \
-					DAHDI_SIG_FXSGS	| \
-					DAHDI_SIG_FXSKS	| \
-					DAHDI_SIG_FXOLS	| \
-					DAHDI_SIG_FXOGS	| \
-					DAHDI_SIG_FXOKS	| \
-					DAHDI_SIG_CAS	| \
-					DAHDI_SIG_SF	  \
-				)
-#else
 #define	BRI_DCHAN_SIGCAP	DAHDI_SIG_HARDHDLC
-#endif
 #define	BRI_BCHAN_SIGCAP	(DAHDI_SIG_CLEAR | DAHDI_SIG_DACS)
 
 #define	IS_NT(xpd)		(PHONEDEV(xpd).direction == TO_PHONE)
@@ -218,13 +207,7 @@ struct BRI_priv_data {
 	/*
 	 * D-Chan: buffers + extra state info.
 	 */
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-	int				dchan_r_idx;
-	byte				dchan_rbuf[DCHAN_BUFSIZE];
-#else
 	atomic_t			hdlc_pending;
-#endif
-	byte				dchan_tbuf[DCHAN_BUFSIZE];
 	bool				txframe_begin;
 
 	uint				tick_counter;
@@ -438,22 +421,6 @@ static void nt_activation(xpd_t *xpd, bool on)
 /*
  * D-Chan receive
  */
-static void bri_hdlc_abort(xpd_t *xpd, struct dahdi_chan *dchan, int event)
-{
-	struct BRI_priv_data	*priv;
-
-	priv = xpd->priv;
-	BUG_ON(!priv);
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-	if(debug & DBG_COMMANDS)
-		dump_hex_buf(xpd, "D-Chan(abort) RX: dchan_rbuf",
-			priv->dchan_rbuf, priv->dchan_r_idx);
-	priv->dchan_r_idx = 0;
-#else
-	dahdi_hdlc_abort(dchan, event);
-#endif
-}
-
 static int bri_check_stat(xpd_t *xpd, struct dahdi_chan *dchan, byte *buf, int len)
 {
 	struct BRI_priv_data	*priv;
@@ -461,21 +428,11 @@ static int bri_check_stat(xpd_t *xpd, struct dahdi_chan *dchan, byte *buf, int l
 
 	priv = xpd->priv;
 	BUG_ON(!priv);
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-	if(priv->dchan_r_idx < 4) {
-		XPD_NOTICE(xpd, "D-Chan RX short frame (dchan_r_idx=%d)\n",
-			priv->dchan_r_idx);
-		dump_hex_buf(xpd, "D-Chan RX:    current packet", buf, len);
-		bri_hdlc_abort(xpd, dchan, DAHDI_EVENT_ABORT);
-		return -EPROTO;
-	}
-#else
 	if(len <= 0) {
 		XPD_NOTICE(xpd, "D-Chan RX DROP: short frame (len=%d)\n", len);
-		bri_hdlc_abort(xpd, dchan, DAHDI_EVENT_ABORT);
+		dahdi_hdlc_abort(dchan, DAHDI_EVENT_ABORT);
 		return -EPROTO;
 	}
-#endif
 	status = buf[len-1];
 	if(status) {
 		int	event = DAHDI_EVENT_ABORT;
@@ -487,132 +444,12 @@ static int bri_check_stat(xpd_t *xpd, struct dahdi_chan *dchan, byte *buf, int l
 			event = DAHDI_EVENT_BADFCS;
 		}
 		dump_hex_buf(xpd, "D-Chan RX:    current packet", buf, len);
-		bri_hdlc_abort(xpd, dchan, event);
+		dahdi_hdlc_abort(dchan, event);
 		return -EPROTO;
 	}
 	return 0;
 }
 
-static int bri_hdlc_putbuf(xpd_t *xpd, struct dahdi_chan *dchan,
-		unsigned char *buf, int len)
-{
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-	struct BRI_priv_data	*priv;
-	byte			*dchan_buf;
-	byte			*dst;
-	int			idx;
-
-	priv = xpd->priv;
-	BUG_ON(!priv);
-	dchan_buf = dchan->readchunk;
-	idx = priv->dchan_r_idx;
-	if(idx + len >= DCHAN_BUFSIZE) {
-		XPD_ERR(xpd, "D-Chan RX overflow: %d\n", idx);
-		dump_hex_buf(xpd, "    current packet", buf, len);
-		dump_hex_buf(xpd, "    dchan_buf", dchan_buf, idx);
-		return -ENOSPC;
-	}
-	dst = dchan_buf + idx;
-	idx += len;
-	priv->dchan_r_idx = idx;
-	memcpy(dst, buf, len);
-#else
-	dahdi_hdlc_putbuf(dchan, buf, len);
-#endif
-	return 0;
-}
-
-static void bri_hdlc_finish(xpd_t *xpd, struct dahdi_chan *dchan)
-{
-	struct BRI_priv_data	*priv;
-
-	priv = xpd->priv;
-	BUG_ON(!priv);
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-	dchan->bytes2receive = priv->dchan_r_idx - 1;
-	dchan->eofrx = 1;
-#else
-	dahdi_hdlc_finish(dchan);
-#endif
-}
-
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-static int rx_dchan(xpd_t *xpd, reg_cmd_t *regcmd)
-{
-	struct BRI_priv_data	*priv;
-	byte			*src;
-	byte			*dst;
-	byte			*dchan_buf;
-	struct dahdi_chan		*dchan;
-	uint			len;
-	bool			eoframe;
-	int			idx;
-	int			ret = 0;
-
-	src = REG_XDATA(regcmd);
-	len = regcmd->bytes;
-	eoframe = regcmd->eoframe;
-	if(len <= 0)
-		return 0;
-	if(!SPAN_REGISTERED(xpd)) /* Nowhere to copy data */
-		return 0;
-	BUG_ON(!xpd);
-	priv = xpd->priv;
-	BUG_ON(!priv);
-	xbus = xpd->xbus;
-	dchan = XPD_CHAN(xpd, 2);
-	if(!IS_OFFHOOK(xpd, 2)) {	/* D-chan is used? */
-		static int rate_limit;
-
-		if((rate_limit++ % 1000) == 0)
-			XPD_DBG(SIGNAL, xpd, "D-Chan unused\n");
-		dchan->bytes2receive = 0;
-		dchan->bytes2transmit = 0;
-		goto out;
-	}
-	dchan_buf = dchan->readchunk;
-	idx = priv->dchan_r_idx;
-	if(idx + len >= DCHAN_BUFSIZE) {
-		XPD_ERR(xpd, "D-Chan RX overflow: %d\n", idx);
-		dump_hex_buf(xpd, "    current packet", src, len);
-		dump_hex_buf(xpd, "    dchan_buf", dchan_buf, idx);
-		ret = -ENOSPC;
-		if(eoframe)
-			goto drop;
-		goto out;
-	}
-	dst = dchan_buf + idx;
-	idx += len;
-	priv->dchan_r_idx = idx;
-	memcpy(dst, src, len);
-	if(!eoframe)
-		goto out;
-	if(idx < 4) {
-		XPD_NOTICE(xpd, "D-Chan RX short frame (idx=%d)\n", idx);
-		dump_hex_buf(xpd, "D-Chan RX:    current packet", src, len);
-		dump_hex_buf(xpd, "D-Chan RX:    chan_buf", dchan_buf, idx);
-		ret = -EPROTO;
-		goto drop;
-	}
-	if((ret = bri_check_stat(xpd, dchan, dchan_buf, idx)) < 0)
-		goto drop;
-	if(debug)
-		dump_dchan_packet(xpd, 0, dchan_buf, idx /* - 3 */);	/* Print checksum? */
-	/* 
-	 * Tell Dahdi that we received idx-1 bytes. They include the data and a 2-byte checksum.
-	 * The last byte (that we don't pass on) is 0 if the checksum is correct. If it were wrong,
-	 * we would drop the packet in the "if(dchan_buf[idx-1])" above.
-	 */
-	dchan->bytes2receive = idx - 1;
-	dchan->eofrx = 1;
-	priv->dchan_rx_counter++;
-	priv->dchan_norx_ticks = 0;
-drop:
-	priv->dchan_r_idx = 0;
-out:
-	return ret;
-}
-#else
 static int rx_dchan(xpd_t *xpd, reg_cmd_t *regcmd)
 {
 	struct BRI_priv_data	*priv;
@@ -638,16 +475,10 @@ static int rx_dchan(xpd_t *xpd, reg_cmd_t *regcmd)
 
 		if((rate_limit++ % 1000) == 0)
 			XPD_DBG(SIGNAL, xpd, "D-Chan unused\n");
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-		dchan->bytes2receive = 0;
-		dchan->bytes2transmit = 0;
-#endif
 		goto out;
 	}
 	XPD_DBG(GENERAL, xpd, "D-Chan RX: eoframe=%d len=%d\n", eoframe, len);
-	ret = bri_hdlc_putbuf(xpd, dchan, src, (eoframe) ? len - 1 : len);
-	if(ret < 0)
-		goto out;
+	dahdi_hdlc_putbuf(dchan, src, (eoframe) ? len - 1 : len);
 	if(!eoframe)
 		goto out;
 	if((ret = bri_check_stat(xpd, dchan, src, len)) < 0)
@@ -657,18 +488,16 @@ static int rx_dchan(xpd_t *xpd, reg_cmd_t *regcmd)
 	 * The last byte (that we don't pass on) is 0 if the checksum is correct. If it were wrong,
 	 * we would drop the packet in the "if(src[len-1])" above.
 	 */
-	bri_hdlc_finish(xpd, dchan);
+	dahdi_hdlc_finish(dchan);
 	priv->dchan_rx_counter++;
 	priv->dchan_norx_ticks = 0;
 out:
 	return ret;
 }
-#endif
 
 /*
  * D-Chan transmit
  */
-#ifndef	CONFIG_DAHDI_BRI_DCHANS
 /* DAHDI calls this when it has data it wants to send to the HDLC controller */
 static void bri_hdlc_hard_xmit(struct dahdi_chan *chan)
 {
@@ -683,86 +512,129 @@ static void bri_hdlc_hard_xmit(struct dahdi_chan *chan)
 		atomic_inc(&priv->hdlc_pending);
 	}
 }
-#endif
 
-static int bri_hdlc_getbuf(struct dahdi_chan *dchan, unsigned char *buf,
-		unsigned int *size)
+static int send_dchan_frame(xpd_t *xpd, xframe_t *xframe, bool is_eof)
 {
-	int			len = *size;
-	int			eoframe;
-
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-	len = dchan->bytes2transmit;	/* dchan's hdlc package len */
-	if(len > *size)
-		len = *size;		/* Silent truncation */
-	eoframe = dchan->eoftx;		/* dchan's end of frame */
-	dchan->bytes2transmit = 0;
-	dchan->eoftx = 0;
-	dchan->bytes2receive = 0;
-	dchan->eofrx = 0;
-#else
-	eoframe = dahdi_hdlc_getbuf(dchan, buf, &len);
-#endif
-	*size = len;
-	return eoframe;
-}
-
-static int tx_dchan(xpd_t *xpd)
-{
-	struct BRI_priv_data	*priv;
-	struct dahdi_chan	*dchan;
-	int			len;
-	int			eoframe;
-	int			ret;
+	struct BRI_priv_data *priv;
+	int ret;
 
+	XPD_DBG(COMMANDS, xpd, "eoframe=%d\n", is_eof);
 	priv = xpd->priv;
-	BUG_ON(!priv);
-#ifndef	CONFIG_DAHDI_BRI_DCHANS
-	if(atomic_read(&priv->hdlc_pending) == 0)
-		return 0;
-#endif
-	if(!SPAN_REGISTERED(xpd) || !(PHONEDEV(xpd).span.flags & DAHDI_FLAG_RUNNING))
-		return 0;
-	dchan = XPD_CHAN(xpd, 2);
-	len = ARRAY_SIZE(priv->dchan_tbuf);
-	if(len > MULTIBYTE_MAX_LEN)
-		len = MULTIBYTE_MAX_LEN;
-	eoframe = bri_hdlc_getbuf(dchan, priv->dchan_tbuf, &len);
-	if(len <= 0)
-		return 0; /* Nothing to transmit on D channel */
-	if(len > MULTIBYTE_MAX_LEN) {
-		XPD_ERR(xpd, "%s: len=%d. need to split. Unimplemented.\n", __FUNCTION__, len);
-		dump_hex_buf(xpd, "D-Chan TX:", priv->dchan_tbuf, len);
-		return -EINVAL;
-	}
-	if(!test_bit(HFC_L1_ACTIVATED, &priv->l1_flags) && !test_bit(HFC_L1_ACTIVATING, &priv->l1_flags)) {
+	if (!test_bit(HFC_L1_ACTIVATED, &priv->l1_flags)
+			&& !test_bit(HFC_L1_ACTIVATING, &priv->l1_flags)) {
 		XPD_DBG(SIGNAL, xpd, "Want to transmit: Kick D-Channel transmiter\n");
-		if(! IS_NT(xpd))
+		if (!IS_NT(xpd))
 			te_activation(xpd, 1);
 		else
 			nt_activation(xpd, 1);
 	}
-	if(debug)
-		dump_dchan_packet(xpd, 1, priv->dchan_tbuf, len);
-	if(eoframe)
-		priv->txframe_begin = 1;
-	else
-		priv->txframe_begin = 0;
-	XPD_DBG(COMMANDS, xpd, "eoframe=%d len=%d\n", eoframe, len);
-	ret = send_multibyte_request(xpd->xbus, xpd->addr.unit, xpd->addr.subunit,
-			eoframe, priv->dchan_tbuf, len);
-	if(ret < 0)
-		XPD_NOTICE(xpd, "%s: failed sending xframe\n", __FUNCTION__);
-	if(eoframe) {
-#ifndef	CONFIG_DAHDI_BRI_DCHANS
+	dump_xframe("send_dchan_frame", xpd->xbus, xframe, debug);
+	ret = send_cmd_frame(xpd->xbus, xframe);
+	if (ret < 0)
+		XPD_ERR(xpd, "%s: failed sending xframe\n", __func__);
+	if (is_eof) {
 		atomic_dec(&priv->hdlc_pending);
-#endif
 		priv->dchan_tx_counter++;
-	}
+		priv->txframe_begin = 1;
+	} else
+		priv->txframe_begin = 0;
 	priv->dchan_notx_ticks = 0;
 	return ret;
 }
 
+/*
+ * Fill a single multibyte REGISTER_REQUEST
+ */
+static void fill_multibyte(xpd_t *xpd, xpacket_t *pack, bool eoframe,
+		char *buf, int len)
+{
+	reg_cmd_t *reg_cmd;
+	char *p;
+
+	XPACKET_INIT(pack, GLOBAL, REGISTER_REQUEST, xpd->xbus_idx, 0, 0);
+	XPACKET_LEN(pack) = RPACKET_SIZE(GLOBAL, REGISTER_REQUEST);
+	reg_cmd = &RPACKET_FIELD(pack, GLOBAL, REGISTER_REQUEST, reg_cmd);
+	reg_cmd->bytes = len;
+	reg_cmd->is_multibyte = 1;
+	reg_cmd->portnum = xpd->addr.subunit;
+	reg_cmd->eoframe = eoframe;
+	p = REG_XDATA(reg_cmd);
+	memcpy(p, buf, len);
+	if (debug)
+		dump_dchan_packet(xpd, 1, p, len);
+}
+
+/*
+ * Transmit available D-Channel frames
+ *
+ * - FPGA firmware expect to get this as a sequence of REGISTER_REQUEST
+ *   multibyte commands.
+ * - The payload of each command is limited to MULTIBYTE_MAX_LEN bytes.
+ * - We batch several REGISTER_REQUEST packets into a single xframe.
+ * - The xframe is terminated when we get a bri "end of frame"
+ *   or when the xframe is full (should not happen).
+ */
+static int tx_dchan(xpd_t *xpd)
+{
+	struct BRI_priv_data *priv;
+	xframe_t *xframe;
+	xpacket_t *pack;
+	int packet_count;
+	int eoframe;
+	int ret;
+
+	priv = xpd->priv;
+	BUG_ON(!priv);
+	if (atomic_read(&priv->hdlc_pending) == 0)
+		return 0;
+	if (!SPAN_REGISTERED(xpd) ||
+			!(PHONEDEV(xpd).span.flags & DAHDI_FLAG_RUNNING))
+		return 0;
+	/* Allocate frame */
+	xframe = ALLOC_SEND_XFRAME(xpd->xbus);
+	if (!xframe) {
+		XPD_NOTICE(xpd, "%s: failed to allocate new xframe\n",
+			__func__);
+		return -ENOMEM;
+	}
+	for (packet_count = 0, eoframe = 0; !eoframe; packet_count++) {
+		int packet_len = RPACKET_SIZE(GLOBAL, REGISTER_REQUEST);
+		char buf[MULTIBYTE_MAX_LEN];
+		int len = MULTIBYTE_MAX_LEN;
+
+		/* Reserve packet */
+		pack = xframe_next_packet(xframe, packet_len);
+		if (!pack) {
+			BUG_ON(!packet_count);
+			/*
+			 * A split. Send what we currently have.
+			 */
+			XPD_NOTICE(xpd,
+				"%s: xframe is full (%d packets)\n",
+				__func__, packet_count);
+			break;
+		}
+		/* Get data from DAHDI */
+		eoframe = dahdi_hdlc_getbuf(XPD_CHAN(xpd, 2), buf, &len);
+		if (len <= 0) {
+			/*
+			 * Already checked priv->hdlc_pending,
+			 * should never get here.
+			 */
+			if (printk_ratelimit())
+				XPD_ERR(xpd,
+					"%s: hdlc_pending, but nothing to transmit?\n",
+					__func__);
+			FREE_SEND_XFRAME(xpd->xbus, xframe);
+			return -EINVAL;
+		}
+		BUG_ON(len > MULTIBYTE_MAX_LEN);
+		fill_multibyte(xpd, pack, eoframe != 0, buf, len);
+	}
+	return send_dchan_frame(xpd, xframe, eoframe != 0);
+	return ret;
+}
+
 /*---------------- BRI: Methods -------------------------------------------*/
 
 static void bri_proc_remove(xbus_t *xbus, xpd_t *xpd)
@@ -853,9 +725,7 @@ static const struct dahdi_span_ops BRI_span_ops = {
 	.chanconfig = bri_chanconfig,
 	.startup = bri_startup,
 	.shutdown = bri_shutdown,
-#ifndef	CONFIG_DAHDI_BRI_DCHANS
 	.hdlc_hard_xmit = bri_hdlc_hard_xmit,
-#endif
 	.open = xpp_open,
 	.close = xpp_close,
 	.hooksig = xpp_hooksig,	/* Only with RBS bits */
@@ -863,6 +733,7 @@ static const struct dahdi_span_ops BRI_span_ops = {
 	.maint = xpp_maint,
 	.echocan_create = xpp_echocan_create,
 	.echocan_name = xpp_echocan_name,
+	.assigned = xpp_span_assigned,
 #ifdef	DAHDI_SYNC_TICK
 	.sync_tick = dahdi_sync_tick,
 #endif
@@ -903,19 +774,7 @@ static int BRI_card_dahdi_preregistration(xpd_t *xpd, bool on)
 			cur_chan->sigcap = BRI_DCHAN_SIGCAP;
 			clear_bit(DAHDI_FLAGBIT_HDLC, &cur_chan->flags);
 			priv->txframe_begin = 1;
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-			priv->dchan_r_idx = 0;
-			set_bit(DAHDI_FLAGBIT_BRIDCHAN, &cur_chan->flags);
-			/* Setup big buffers for D-Channel rx/tx */
-			cur_chan->readchunk = priv->dchan_rbuf;
-			cur_chan->writechunk = priv->dchan_tbuf;
-
-			cur_chan->maxbytes2transmit = MULTIBYTE_MAX_LEN;
-			cur_chan->bytes2transmit = 0;
-			cur_chan->bytes2receive = 0;
-#else
 			atomic_set(&priv->hdlc_pending, 0);
-#endif
 		} else {
 			cur_chan->sigcap = BRI_BCHAN_SIGCAP;
 		}
@@ -1145,15 +1004,6 @@ static int BRI_card_open(xpd_t *xpd, lineno_t pos)
 static int BRI_card_close(xpd_t *xpd, lineno_t pos)
 {
 	/* Clear D-Channel pending data */
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-	struct dahdi_chan	*chan = XPD_CHAN(xpd, pos);
-
-	/* Clear D-Channel pending data */
-	chan->bytes2receive = 0;
-	chan->eofrx = 0;
-	chan->bytes2transmit = 0;
-	chan->eoftx = 0;
-#endif
 	if(pos == 2) {
 		LINE_DBG(SIGNAL, xpd, pos, "ONHOOK the whole span\n");
 		BIT_CLR(PHONEDEV(xpd).offhook_state, 0);
@@ -1201,6 +1051,8 @@ static int bri_spanconfig(struct file *file, struct dahdi_span *span,
 		framingstr, codingstr, crcstr,
 		lc->lineconfig,
 		lc->sync);
+	PHONEDEV(xpd).timing_priority = lc->sync;
+	elect_syncer("BRI-spanconfig");
 	/*
 	 * FIXME: validate
 	 */
@@ -1252,9 +1104,6 @@ static int bri_startup(struct file *file, struct dahdi_span *span)
 		 *
 		 * Don't Get Mad, Get Even:  Now we override dahdi :-)
 		 */
-#ifdef	CONFIG_DAHDI_BRI_DCHANS
-		set_bit(DAHDI_FLAGBIT_BRIDCHAN, &dchan->flags);
-#endif
 		clear_bit(DAHDI_FLAGBIT_HDLC, &dchan->flags);
 	}
 	return 0;
@@ -1428,6 +1277,18 @@ static void BRI_card_pcm_tospan(xpd_t *xpd, xpacket_t *pack)
 	}
 }
 
+static int BRI_timing_priority(xpd_t *xpd)
+{
+	struct BRI_priv_data	*priv;
+
+	priv = xpd->priv;
+	BUG_ON(!priv);
+	if (priv->layer1_up)
+		return PHONEDEV(xpd).timing_priority;
+	XPD_DBG(SYNC, xpd, "No timing priority (no layer1)\n");
+	return -ENOENT;
+}
+
 int BRI_echocancel_timeslot(xpd_t *xpd, int pos)
 {
 	return xpd->addr.subunit * 4 + pos;
@@ -1695,7 +1556,7 @@ static const struct phoneops	bri_phoneops = {
 	.card_pcm_recompute	= BRI_card_pcm_recompute,
 	.card_pcm_fromspan	= BRI_card_pcm_fromspan,
 	.card_pcm_tospan	= BRI_card_pcm_tospan,
-	.card_timing_priority	= generic_timing_priority,
+	.card_timing_priority	= BRI_timing_priority,
 	.echocancel_timeslot	= BRI_echocancel_timeslot,
 	.echocancel_setmask	= BRI_echocancel_setmask,
 	.card_ioctl	= BRI_card_ioctl,
@@ -1775,9 +1636,6 @@ static int proc_bri_info_read(char *page, char **start, off_t off, int count, in
 	} else {
 		len += sprintf(page + len, "(dead)\n");
 	}
-#ifndef	CONFIG_DAHDI_BRI_DCHANS
-	len += sprintf(page + len, "hdlc_pending=%d\n", atomic_read(&priv->hdlc_pending));
-#endif
 	len += sprintf(page + len, "dchan_notx_ticks: %d\n", priv->dchan_notx_ticks);
 	len += sprintf(page + len, "dchan_norx_ticks: %d\n", priv->dchan_norx_ticks);
 	len += sprintf(page + len, "LED: %-10s = %d\n", "GREEN", priv->ledstate[GREEN_LED]);
@@ -1797,22 +1655,6 @@ static int proc_bri_info_read(char *page, char **start, off_t off, int count, in
 }
 #endif
 
-static DRIVER_ATTR_READER(dchan_hardhdlc_show, drv,buf)
-{
-	int			len = 0;
-
-#if	defined(CONFIG_DAHDI_BRI_DCHANS)
-	len += sprintf(buf + len, "0\n");
-#elif	defined(DAHDI_SIG_HARDHDLC)
-	len += sprintf(buf + len, "1\n");
-#else
-#error Cannot build BRI without BRISTUFF or HARDHDLC supprt
-#endif
-	return len;
-}
-
-static	DRIVER_ATTR(dchan_hardhdlc,S_IRUGO,dchan_hardhdlc_show,NULL);
-
 static int bri_xpd_probe(struct device *dev)
 {
 	xpd_t	*xpd;
@@ -1855,18 +1697,7 @@ static int __init card_bri_startup(void)
 
 	if((ret = xpd_driver_register(&bri_driver.driver)) < 0)
 		return ret;
-	ret = driver_create_file(&bri_driver.driver, &driver_attr_dchan_hardhdlc);
-	if(ret < 0)
-		return ret;
 	INFO("revision %s\n", XPP_VERSION);
-#if	defined(CONFIG_DAHDI_BRI_DCHANS)
-	INFO("FEATURE: WITH BRISTUFF\n");
-#elif	defined(DAHDI_SIG_HARDHDLC)
-	INFO("FEATURE: WITH HARDHDLC\n");
-#else
-#error Cannot build BRI without BRISTUFF or HARDHDLC supprt
-#endif
-
 	xproto_register(&PROTO_TABLE(BRI));
 	return 0;
 }
@@ -1875,7 +1706,6 @@ static void __exit card_bri_cleanup(void)
 {
 	DBG(GENERAL, "\n");
 	xproto_unregister(&PROTO_TABLE(BRI));
-	driver_remove_file(&bri_driver.driver, &driver_attr_dchan_hardhdlc);
 	xpd_driver_unregister(&bri_driver.driver);
 }
 

drivers/dahdi/xpp/card_fxo.h

@@ -28,7 +28,6 @@ enum fxo_opcodes {
 	XPROTO_NAME(FXO, SIG_CHANGED)		= 0x06,
 /**/
 	XPROTO_NAME(FXO, DAA_WRITE)		= 0x0F,	/* Write to DAA */
-	XPROTO_NAME(FXO, XPD_STATE)		= 0x0F,	/* Write to DAA */
 	XPROTO_NAME(FXO, CHAN_CID)		= 0x0F,	/* Write to DAA */
 	XPROTO_NAME(FXO, LED)			= 0x0F,	/* Write to DAA */
 };

drivers/dahdi/xpp/card_fxs.c

@@ -42,6 +42,8 @@ static DEF_PARM(uint, poll_digital_inputs, 1000, 0644, "Poll Digital Inputs");
 
 static DEF_PARM_BOOL(vmwi_ioctl, 1, 0644, "Asterisk support VMWI notification via ioctl");
 static DEF_PARM_BOOL(ring_trapez, 0, 0664, "Use trapezoid ring type");
+static DEF_PARM_BOOL(lower_ringing_noise, 0, 0664,
+		"Lower ringing noise (may loose CallerID)");
 
 /* Signaling is opposite (fxo signalling for fxs card) */
 #if 1
@@ -134,6 +136,8 @@ struct FXS_priv_data {
 	xpp_line_t		want_dtmf_events;	/* what dahdi want */
 	xpp_line_t		want_dtmf_mute;		/* what dahdi want */
 	xpp_line_t		prev_key_down;		/* DTMF down sets the bit */
+	xpp_line_t		neon_blinking;
+	xpp_line_t vbat_h;		/* High voltage */
 	struct timeval		prev_key_time[CHANNELS_PERXPD];
 	int			led_counter[NUM_LEDS][CHANNELS_PERXPD];
 	int			ohttimer[CHANNELS_PERXPD];
@@ -156,24 +160,48 @@ struct FXS_priv_data {
 #define	LED_BLINK_RING			(1000/8)	/* in ticks */
 
 /*---------------- FXS: Static functions ----------------------------------*/
-static int linefeed_control(xbus_t *xbus, xpd_t *xpd, lineno_t chan, enum fxs_state value)
-{
-	struct FXS_priv_data	*priv;
-
-	priv = xpd->priv;
-	LINE_DBG(SIGNAL, xpd, chan, "value=0x%02X\n", value);
-	priv->lasttxhook[chan] = value;
-	return SLIC_DIRECT_REQUEST(xbus, xpd, chan, SLIC_WRITE, 0x40, value);
-}
-
 static int do_chan_power(xbus_t *xbus, xpd_t *xpd, lineno_t chan, bool on)
 {
-	int		value = (on) ? REG_BATTERY_BATSL : 0x00;
+	struct FXS_priv_data *priv;
+	unsigned long *p;
+	int was;
 
 	BUG_ON(!xbus);
 	BUG_ON(!xpd);
+	priv = xpd->priv;
+	p = (unsigned long *)&priv->vbat_h;
+	if (on)
+		was = test_and_set_bit(chan, p) != 0;
+	else
+		was = test_and_clear_bit(chan, p) != 0;
+	if (was == on) {
+		LINE_DBG(SIGNAL, xpd, chan,
+			"%s (same, ignored)\n", (on) ? "up" : "down");
+		return 0;
+	}
 	LINE_DBG(SIGNAL, xpd, chan, "%s\n", (on) ? "up" : "down");
-	return SLIC_DIRECT_REQUEST(xbus, xpd, chan, SLIC_WRITE, REG_BATTERY, value);
+	return SLIC_DIRECT_REQUEST(xbus, xpd, chan, SLIC_WRITE, REG_BATTERY,
+			(on) ? REG_BATTERY_BATSL : 0x00);
+}
+
+static int linefeed_control(xbus_t *xbus, xpd_t *xpd, lineno_t chan, enum fxs_state value)
+{
+	struct FXS_priv_data *priv;
+	bool want_vbat_h;
+
+	priv = xpd->priv;
+	/*
+	 * Should we drop vbat_h only during actuall ring?
+	 *   - It would lower the noise caused to other channels by
+	 *     group ringing
+	 *   - But it may also stop CallerID from passing through the SLIC
+	 */
+	want_vbat_h = value == FXS_LINE_RING;
+	if (lower_ringing_noise || want_vbat_h)
+		do_chan_power(xbus, xpd, chan, want_vbat_h);
+	LINE_DBG(SIGNAL, xpd, chan, "value=0x%02X\n", value);
+	priv->lasttxhook[chan] = value;
+	return SLIC_DIRECT_REQUEST(xbus, xpd, chan, SLIC_WRITE, 0x40, value);
 }
 
 static void vmwi_search(xpd_t *xpd, lineno_t pos, bool on)
@@ -386,6 +414,8 @@ static xpd_t *FXS_card_new(xbus_t *xbus, int unit, int subunit, const xproto_tab
 	int			regular_channels;
 	struct FXS_priv_data	*priv;
 	int			i;
+	int			d_inputs = 0;
+	int			d_outputs = 0;
 
 	if(!to_phone) {
 		XBUS_NOTICE(xbus,
@@ -398,16 +428,30 @@ static xpd_t *FXS_card_new(xbus_t *xbus, int unit, int subunit, const xproto_tab
 	else
 		regular_channels = min(8, subunit_ports);
 	channels = regular_channels;
-	if(unit == 0)
+	/* Calculate digital inputs/outputs */
+	if(unit == 0 && subtype != 4) {
 		channels += 6;	/* 2 DIGITAL OUTPUTS, 4 DIGITAL INPUTS */
+		d_inputs = LINES_DIGI_INP;
+		d_outputs = LINES_DIGI_OUT;
+	}
 	xpd = xpd_alloc(xbus, unit, subunit, subtype, subunits, sizeof(struct FXS_priv_data), proto_table, channels);
 	if(!xpd)
 		return NULL;
-	if(unit == 0) {
-		XBUS_DBG(GENERAL, xbus, "First XPD detected. Initialize digital outputs/inputs\n");
-		PHONEDEV(xpd).digital_outputs = BITMASK(LINES_DIGI_OUT) << regular_channels;
-		PHONEDEV(xpd).digital_inputs = BITMASK(LINES_DIGI_INP) << (regular_channels + LINES_DIGI_OUT);
-	}
+	/* Initialize digital inputs/outputs */
+	if (d_inputs) {
+		XBUS_DBG(GENERAL, xbus, "Initialize %d digital inputs\n",
+			d_inputs);
+		PHONEDEV(xpd).digital_inputs =
+			BITMASK(d_inputs) << (regular_channels + d_outputs);
+	} else
+		XBUS_DBG(GENERAL, xbus, "No digital inputs\n");
+	if (d_outputs) {
+		XBUS_DBG(GENERAL, xbus, "Initialize %d digital outputs\n",
+			d_outputs);
+		PHONEDEV(xpd).digital_outputs =
+			BITMASK(d_outputs) << regular_channels;
+	} else
+		XBUS_DBG(GENERAL, xbus, "No digital outputs\n");
 	PHONEDEV(xpd).direction = TO_PHONE;
 	xpd->type_name = "FXS";
 	if(fxs_proc_create(xbus, xpd) < 0)
@@ -548,12 +592,16 @@ static int FXS_card_dahdi_postregistration(xpd_t *xpd, bool on)
  */
 static void __do_mute_dtmf(xpd_t *xpd, int pos, bool muteit)
 {
+	struct FXS_priv_data	*priv;
+
+	priv = xpd->priv;
 	LINE_DBG(SIGNAL, xpd, pos, "%s\n", (muteit) ? "MUTE" : "UNMUTE");
 	if(muteit)
 		BIT_SET(PHONEDEV(xpd).mute_dtmf, pos);
 	else
 		BIT_CLR(PHONEDEV(xpd).mute_dtmf, pos);
-	CALL_PHONE_METHOD(card_pcm_recompute, xpd, 0);	/* already spinlocked */
+	/* already spinlocked */
+	CALL_PHONE_METHOD(card_pcm_recompute, xpd, priv->search_fsk_pattern);
 }
 
 static int set_vm_led_mode(xbus_t *xbus, xpd_t *xpd, int pos,
@@ -568,6 +616,7 @@ static int set_vm_led_mode(xbus_t *xbus, xpd_t *xpd, int pos,
 	if (VMWI_NEON(priv, pos) && msg_waiting) {
 		/* A write to register 0x40 will now turn on/off the VM led */
 		LINE_DBG(SIGNAL, xpd, pos, "NEON\n");
+		BIT_SET(priv->neon_blinking, pos);
 		ret += SLIC_INDIRECT_REQUEST(xbus, xpd, pos, SLIC_WRITE, 0x16, 0xE8, 0x03);
 		ret += SLIC_INDIRECT_REQUEST(xbus, xpd, pos, SLIC_WRITE, 0x15, 0xEF, 0x7B);
 		ret += SLIC_INDIRECT_REQUEST(xbus, xpd, pos, SLIC_WRITE, 0x14, 0x9F, 0x00);
@@ -602,6 +651,7 @@ static int set_vm_led_mode(xbus_t *xbus, xpd_t *xpd, int pos,
 	} else {
 		/* A write to register 0x40 will now turn on/off the ringer */
 		LINE_DBG(SIGNAL, xpd, pos, "RINGER\n");
+		BIT_CLR(priv->neon_blinking, pos);
 
 		ret += SLIC_INDIRECT_REQUEST(xbus, xpd, pos, SLIC_WRITE, 0x16, 0x00, 0x00);
 		ret += SLIC_INDIRECT_REQUEST(xbus, xpd, pos, SLIC_WRITE, 0x15, 0x77, 0x01);
@@ -668,7 +718,7 @@ static int send_ring(xpd_t *xpd, lineno_t chan, bool on)
 	LINE_DBG(SIGNAL, xpd, chan, "%s\n", (on)?"on":"off");
 	priv = xpd->priv;
 	set_vm_led_mode(xbus, xpd, chan, 0);
-	do_chan_power(xbus, xpd, chan, on);		// Power up (for ring)
+	do_chan_power(xbus, xpd, chan, on);	/* Power up (for ring) */
 	ret = linefeed_control(xbus, xpd, chan, value);
 	if(on) {
 		MARK_BLINK(priv, chan, LED_GREEN, LED_BLINK_RING);
@@ -861,7 +911,8 @@ static int FXS_card_ioctl(xpd_t *xpd, int pos, unsigned int cmd, unsigned long a
 			if (IS_SET(PHONEDEV(xpd).digital_inputs | PHONEDEV(xpd).digital_outputs, pos))
 				return 0;	/* Nothing to do */
 			oht_pcm(xpd, pos, 1);	/* Get ready of VMWI FSK tones */
-			if(priv->lasttxhook[pos] == FXS_LINE_POL_ACTIVE) {
+			if (priv->lasttxhook[pos] == FXS_LINE_POL_ACTIVE ||
+					IS_SET(priv->neon_blinking, pos)) {
 				priv->ohttimer[pos] = val;
 				priv->idletxhookstate[pos] = FXS_LINE_POL_OHTRANS;
 				vmwi_search(xpd, pos, 1);
@@ -924,10 +975,25 @@ static int FXS_card_ioctl(xpd_t *xpd, int pos, unsigned int cmd, unsigned long a
 		case DAHDI_SETPOLARITY:
 			if (get_user(val, (int __user *)arg))
 				return -EFAULT;
-			/* Can't change polarity while ringing or when open */
+			/*
+			 * Asterisk may send us this if chan_dahdi config
+			 * has "hanguponpolarityswitch=yes" to notify
+			 * that the other side has hanged up.
+			 *
+			 * This has no effect on normal phone (but we may
+			 * be connected to another FXO equipment).
+			 * note that this chan_dahdi settings has different
+			 * meaning for FXO, where it signals polarity
+			 * reversal *detection* logic.
+			 *
+			 * It seems that sometimes we get this from
+			 * asterisk in wrong state (e.g: while ringing).
+			 * In these cases, silently ignore it.
+			 */
 			if (priv->lasttxhook[pos] == FXS_LINE_RING || priv->lasttxhook[pos] == FXS_LINE_OPEN) {
-				LINE_ERR(xpd, pos, "DAHDI_SETPOLARITY: %s Cannot change when lasttxhook=0x%X\n",
-						(val)?"ON":"OFF", priv->lasttxhook[pos]);
+				LINE_DBG(SIGNAL, xpd, pos,
+					"DAHDI_SETPOLARITY: %s Cannot change when lasttxhook=0x%X\n",
+					(val)?"ON":"OFF", priv->lasttxhook[pos]);
 				return -EINVAL;
 			}
 			LINE_DBG(SIGNAL, xpd, pos, "DAHDI_SETPOLARITY: %s\n", (val)?"ON":"OFF");
@@ -1029,7 +1095,8 @@ static void handle_linefeed(xpd_t *xpd)
 	priv = xpd->priv;
 	BUG_ON(!priv);
 	for_each_line(xpd, i) {
-		if (priv->lasttxhook[i] == FXS_LINE_RING) {
+		if (priv->lasttxhook[i] == FXS_LINE_RING &&
+				!IS_SET(priv->neon_blinking, i)) {
 			/* RINGing, prepare for OHT */
 			priv->ohttimer[i] = OHT_TIMER;
 			priv->idletxhookstate[i] = FXS_LINE_POL_OHTRANS;
@@ -1142,7 +1209,7 @@ static int FXS_card_tick(xbus_t *xbus, xpd_t *xpd)
 	priv = xpd->priv;
 	BUG_ON(!priv);
 #ifdef	POLL_DIGITAL_INPUTS
-	if(poll_digital_inputs && xpd->xbus_idx == 0) {
+	if (poll_digital_inputs && PHONEDEV(xpd).digital_inputs) {
 		if((xpd->timer_count % poll_digital_inputs) == 0)
 			poll_inputs(xpd);
 	}
@@ -1254,6 +1321,13 @@ static void process_digital_inputs(xpd_t *xpd, const reg_cmd_t *info)
 	bool		offhook = (REG_FIELD(info, data_low) & 0x1) == 0;
 	xpp_line_t	lines = BIT(info->portnum);
 
+	/* Sanity check */
+	if (!PHONEDEV(xpd).digital_inputs) {
+		XPD_NOTICE(xpd,
+			"%s called without digital inputs. Ignored\n",
+			__func__);
+		return;
+	}
 	/* Map SLIC number into line number */
 	for(i = 0; i < ARRAY_SIZE(input_channels); i++) {
 		int		channo = input_channels[i];
@@ -1277,7 +1351,8 @@ static void process_digital_inputs(xpd_t *xpd, const reg_cmd_t *info)
 #endif
 
 static const char dtmf_digits[] = {
-	'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '*', '#', 'A', 'B', 'C', 'D'
+	'D', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '*', '#',
+	'A', 'B', 'C'
 };
 
 /*
@@ -1299,12 +1374,6 @@ static void process_dtmf(xpd_t *xpd, uint portnum, byte val)
 		return;
 	priv = xpd->priv;
 	val &= 0xF;
-	if(val <= 0) {
-		if(key_down)
-			XPD_NOTICE(xpd, "Bad DTMF value %d. Ignored\n", val);
-		return;
-	}
-	val--;
 	digit = dtmf_digits[val];
 	want_mute = IS_SET(priv->want_dtmf_mute, portnum);
 	want_event = IS_SET(priv->want_dtmf_events, portnum);
@@ -1366,7 +1435,7 @@ static int FXS_card_register_reply(xbus_t *xbus, xpd_t *xpd, reg_cmd_t *info)
 	/*
 	 * Process digital inputs polling results
 	 */
-	else if(xpd->xbus_idx == 0 && !indirect && regnum == REG_DIGITAL_IOCTRL) {
+	else if (!indirect && regnum == REG_DIGITAL_IOCTRL) {
 		process_digital_inputs(xpd, info);
 	}
 #endif
@@ -1481,11 +1550,13 @@ static int proc_fxs_info_read(char *page, char **start, off_t off, int count, in
 	spin_lock_irqsave(&xpd->lock, flags);
 	priv = xpd->priv;
 	BUG_ON(!priv);
-	len += sprintf(page + len, "%-8s %-10s %-10s %-10s\n",
+	len += sprintf(page + len, "%-8s %-10s %-10s %-10s %-10s %-10s\n",
 			"Channel",
 			"idletxhookstate",
 			"lasttxhook",
-			"ohttimer"
+			"ohttimer",
+			"neon_blinking",
+			"search_fsk_pattern"
 			);
 	for_each_line(xpd, i) {
 		char	pref;
@@ -1496,14 +1567,21 @@ static int proc_fxs_info_read(char *page, char **start, off_t off, int count, in
 			pref = 'I';
 		else
 			pref = ' ';
-		len += sprintf(page + len, "%c%7d %10d %10d %10d\n",
+		len += sprintf(page + len, "%c%7d %10d %10d %10d %10d %10d\n",
 				pref,
 				i,
 				priv->idletxhookstate[i],
 				priv->lasttxhook[i],
-				priv->ohttimer[i]
+				priv->ohttimer[i],
+				IS_SET(priv->neon_blinking, i),
+				IS_SET(priv->search_fsk_pattern, i)
 			      );
 	}
+	len += sprintf(page + len, "\n%-12s", "vbat_h:");
+	for_each_line(xpd, i) {
+		len += sprintf(page + len, "%4d",
+			test_bit(i, (unsigned long *)&priv->vbat_h));
+	}
 	len += sprintf(page + len, "\n");
 	for(led = 0; led < NUM_LEDS; led++) {
 		len += sprintf(page + len, "LED #%d", led);

drivers/dahdi/xpp/card_fxs.h

@@ -27,7 +27,6 @@
 enum fxs_opcodes {
 	XPROTO_NAME(FXS, SIG_CHANGED)		= 0x06,
 /**/
-	XPROTO_NAME(FXS, XPD_STATE)		= 0x0F,	/* Write to SLIC */
 	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 */

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"
@@ -40,6 +41,36 @@ extern	int debug;
 
 /*---------------- GLOBAL PROC handling -----------------------------------*/
 
+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;
+
+	/*
+	 * Zero length multibyte is legal and has special meaning for the
+	 * firmware:
+	 *   eoftx==1: Start sending us D-channel packets.
+	 *   eoftx==0: Stop sending us D-channel packets.
+	 */
+	XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, REGISTER_REQUEST, unit);
+	reg_cmd = &RPACKET_FIELD(pack, GLOBAL, REGISTER_REQUEST, reg_cmd);
+	reg_cmd->bytes = 0;
+	reg_cmd->is_multibyte = 1;
+	reg_cmd->portnum = portno;
+	reg_cmd->eoframe = eoftx;
+	PORT_DBG(REGS, xbus, unit, portno, "Magic Packet (eoftx=%d)\n", eoftx);
+	if (debug & DBG_REGS)
+		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__);
+	return ret;
+}
+
 static int parse_hexbyte(const char *buf)
 {
 	char		*endp;
@@ -155,8 +186,8 @@ static int execute_chip_command(xpd_t *xpd, const int argc, char *argv[])
 					addr_mode, argc - argno);
 			goto out;
 		}
-		ret = send_multibyte_request(xpd->xbus, xpd->addr.unit, portno,
-			addr_mode == 'm', NULL, 0);
+		ret = send_magic_request(xpd->xbus, xpd->addr.unit, portno,
+			addr_mode == 'm');
 		goto out;
 	}
 	/* Normal (non-Magic) register commands */
@@ -370,44 +401,6 @@ int xpp_register_request(xbus_t *xbus, xpd_t *xpd, xportno_t portno,
 	return ret;
 }
 
-int send_multibyte_request(xbus_t *xbus,
-	unsigned unit, xportno_t portno,
-	bool eoftx, byte *buf, unsigned len)
-{
-	xframe_t	*xframe;
-	xpacket_t	*pack;
-	reg_cmd_t	*reg_cmd;
-	int		ret;
-
-	/*
-	 * Zero length multibyte is legal and has special meaning for the
-	 * firmware:
-	 *   eoftx==1: Start sending us D-channel packets.
-	 *   eoftx==0: Stop sending us D-channel packets.
-	 */
-	if(len > MULTIBYTE_MAX_LEN) {
-		PORT_ERR(xbus, unit, portno, "%s: len=%d is too long. dropping.\n", __FUNCTION__, len);
-		return -EINVAL;
-	}
-	XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, REGISTER_REQUEST, unit);
-	reg_cmd = &RPACKET_FIELD(pack, GLOBAL, REGISTER_REQUEST, reg_cmd);
-	reg_cmd->bytes = len;
-	reg_cmd->is_multibyte = 1;
-	reg_cmd->portnum = portno;
-	reg_cmd->eoframe = eoftx;
-	if(len > 0) {
-		memcpy(REG_XDATA(reg_cmd), (byte *)buf, len);
-	} else {
-		PORT_DBG(REGS, xbus, unit, portno, "Magic Packet (eoftx=%d)\n", eoftx);
-	}
-	if(debug & DBG_REGS)
-		dump_xframe(__FUNCTION__, xbus, xframe, debug);
-	ret = send_cmd_frame(xbus, xframe);
-	if(ret < 0)
-		PORT_ERR(xbus, unit, portno, "%s: failed sending xframe\n", __FUNCTION__);
-	return ret;
-}
-
 /*
  * The XPD parameter is totaly ignored by the driver and firmware as well.
  */
@@ -430,19 +423,37 @@ int send_multibyte_request(xbus_t *xbus,
 	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;
 
 	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)
@@ -534,6 +545,7 @@ HANDLER_DEF(GLOBAL, AB_DESCRIPTION)	/* 0x08 */
 		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;
@@ -642,15 +654,24 @@ static void global_packet_dump(const char *msg, xpacket_t *pack)
 	DBG(GENERAL, "%s\n", msg);
 }
 
-#define	MAX_ENV_STR	40
 #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];
@@ -668,6 +689,7 @@ int run_initialize_registers(xpd_t *xpd)
 	char	*envp[] = {
 		busstr,
 		busnumstr,
+		modelstr,
 		unitstr,
 		subunitsstr,
 		typestr,
@@ -703,6 +725,7 @@ int run_initialize_registers(xpd_t *xpd)
 	}
 	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(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);
@@ -724,7 +747,7 @@ int run_initialize_registers(xpd_t *xpd)
 	}
 	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);
+	ret = call_usermodehelper(init_card, argv, envp, UMH_WAIT_PROC);
 	/*
 	 * Carefully report results
 	 */
@@ -750,4 +773,3 @@ err:
 EXPORT_SYMBOL(sync_mode_name);
 EXPORT_SYMBOL(run_initialize_registers);
 EXPORT_SYMBOL(xpp_register_request);
-EXPORT_SYMBOL(send_multibyte_request);

drivers/dahdi/xpp/card_global.h

@@ -38,7 +38,7 @@ enum global_opcodes {
 	XPROTO_NAME(GLOBAL, SYNC_REPLY)		= 0x1A,
 /**/
 	XPROTO_NAME(GLOBAL, ERROR_CODE)		= 0x22,
-	XPROTO_NAME(GLOBAL, RESET_SYNC_COUNTERS)	= 0x23,
+	XPROTO_NAME(GLOBAL, XBUS_RESET)	= 0x23,
 	XPROTO_NAME(GLOBAL, NULL_REPLY)		= 0xFE,
 };
 
@@ -87,7 +87,7 @@ DEF_RPACKET_DATA(GLOBAL, SYNC_REPLY,
 DEF_RPACKET_DATA(GLOBAL, REGISTER_REPLY,
 	reg_cmd_t	regcmd;
 	);
-DEF_RPACKET_DATA(GLOBAL, RESET_SYNC_COUNTERS,
+DEF_RPACKET_DATA(GLOBAL, XBUS_RESET,
 	byte		mask;
 	);
 DEF_RPACKET_DATA(GLOBAL, ERROR_CODE,
@@ -98,6 +98,7 @@ DEF_RPACKET_DATA(GLOBAL, ERROR_CODE,
 
 /* 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,

drivers/dahdi/xpp/card_pri.c

@@ -80,6 +80,7 @@ static int pri_shutdown(struct dahdi_span *span);
 static int pri_rbsbits(struct dahdi_chan *chan, int bits);
 static int pri_lineconfig(xpd_t *xpd, int lineconfig);
 static void send_idlebits(xpd_t *xpd, bool saveold);
+static int apply_pri_protocol(xpd_t *xpd);
 
 #define	PROC_REGISTER_FNAME	"slics"
 
@@ -90,17 +91,29 @@ enum pri_protocol {
 	PRI_PROTO_J1 	= 3
 };
 
+static const char *protocol_names[] = {
+	[PRI_PROTO_0] = "??",	/* unknown */
+	[PRI_PROTO_E1] = "E1",
+	[PRI_PROTO_T1] = "T1",
+	[PRI_PROTO_J1] = "J1"
+};
+
 static const char *pri_protocol_name(enum pri_protocol pri_protocol)
 {
-	static const char *protocol_names[] = {
-		[PRI_PROTO_0] = "??",	/* unknown */
-		[PRI_PROTO_E1] = "E1",
-		[PRI_PROTO_T1] = "T1",
-		[PRI_PROTO_J1] = "J1"
-		};
 	return protocol_names[pri_protocol];
 }
 
+static enum pri_protocol pri_protocol_bystr(const char *spantype)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(protocol_names); i++) {
+		if (strcasecmp(protocol_names[i], spantype) == 0)
+			return i;
+	}
+	return PRI_PROTO_0;
+}
+
 static int pri_num_channels(enum pri_protocol pri_protocol)
 {
 	static int num_channels[] = {
@@ -551,12 +564,14 @@ static int set_pri_proto(xpd_t *xpd, enum pri_protocol set_proto)
 	unsigned int		dchan_num;
 	int			default_lineconfig = 0;
 	int			ret;
+	struct phonedev		*phonedev;
 
 	BUG_ON(!xpd);
 	priv = xpd->priv;
-	if(SPAN_REGISTERED(xpd)) {
-		XPD_NOTICE(xpd, "Registered as span %d. Cannot do setup pri protocol (%s)\n",
-			PHONEDEV(xpd).span.spanno, __FUNCTION__);
+	phonedev = &PHONEDEV(xpd);
+	if (test_bit(DAHDI_FLAGBIT_REGISTERED, &phonedev->span.flags)) {
+		XPD_NOTICE(xpd, "%s: %s already assigned as span %d\n",
+			__func__, phonedev->span.name, phonedev->span.spanno);
 		return -EBUSY;
 	}
 	if(priv->pri_protocol != PRI_PROTO_0) {
@@ -596,8 +611,8 @@ static int set_pri_proto(xpd_t *xpd, enum pri_protocol set_proto)
 	}
 	priv->pri_protocol = set_proto;
 	priv->is_cas = -1;
-	PHONEDEV(xpd).channels = pri_num_channels(set_proto);
-	PHONEDEV(xpd).offhook_state = BITMASK(PHONEDEV(xpd).channels);
+	phonedev->channels = pri_num_channels(set_proto);
+	phonedev->offhook_state = BITMASK(phonedev->channels);
 	CALL_PHONE_METHOD(card_pcm_recompute, xpd, 0);
 	priv->deflaw = deflaw;
 	priv->dchan_num = dchan_num;
@@ -605,7 +620,7 @@ static int set_pri_proto(xpd_t *xpd, enum pri_protocol set_proto)
 	xpd->type_name = type_name(priv->pri_protocol);
 	XPD_DBG(GENERAL, xpd, "%s, channels=%d, dchan_num=%d, deflaw=%d\n",
 			pri_protocol_name(set_proto),
-			PHONEDEV(xpd).channels,
+			phonedev->channels,
 			priv->dchan_num,
 			priv->deflaw
 			);
@@ -618,7 +633,7 @@ static int set_pri_proto(xpd_t *xpd, enum pri_protocol set_proto)
 		XPD_NOTICE(xpd, "Failed setting PRI default line config\n");
 		return ret;
 	}
-	return 0;
+	return apply_pri_protocol(xpd);
 }
 
 static void dahdi_update_syncsrc(xpd_t *xpd)
@@ -1019,6 +1034,17 @@ static int pri_lineconfig(xpd_t *xpd, int lineconfig)
 	}
 #endif
 	if(force_cas) {
+		if(priv->pri_protocol == PRI_PROTO_E1) {
+			int	rs1 = 0x0B;
+
+			/*
+			 * Set correct X1-X3 bits in the E1 CAS MFAS
+			 * They are unused in E1 and should be 1
+			 */
+			XPD_DBG(GENERAL, xpd, "%s: rs1(0x%02X) = 0x%02X\n",
+				__FUNCTION__, REG_RS1_E, rs1);
+			write_subunit(xpd, REG_RS1_E, rs1);
+		}
 		xsp |= REG_XSP_E_CASEN;	/* Same as REG_FMR5_T_EIBR for T1 */
 	}
 	XPD_DBG(GENERAL, xpd, "%s: xsp(0x%02X) = 0x%02X\n", __FUNCTION__, REG_XSP_E, xsp);
@@ -1029,6 +1055,17 @@ bad_lineconfig:
 	return -EINVAL;
 }
 
+static int pri_set_spantype(struct dahdi_span *span, const char *spantype)
+{
+	struct phonedev	*phonedev = container_of(span, struct phonedev, span);
+	xpd_t		*xpd = container_of(phonedev, struct xpd, phonedev);
+	enum pri_protocol set_proto = PRI_PROTO_0;
+
+	XPD_INFO(xpd, "%s: %s\n", __func__, spantype);
+	set_proto = pri_protocol_bystr(spantype);
+	return set_pri_proto(xpd, set_proto);
+}
+
 /*
  * Called only for 'span' keyword in /etc/dahdi/system.conf
  */
@@ -1204,6 +1241,7 @@ static int pri_audio_notify(struct dahdi_chan *chan, int on)
 
 static const struct dahdi_span_ops PRI_span_ops = {
 	.owner = THIS_MODULE,
+	.set_spantype = pri_set_spantype,
 	.spanconfig = pri_spanconfig,
 	.chanconfig = pri_chanconfig,
 	.startup = pri_startup,
@@ -1215,6 +1253,7 @@ static const struct dahdi_span_ops PRI_span_ops = {
 	.maint = xpp_maint,
 	.echocan_create = xpp_echocan_create,
 	.echocan_name = xpp_echocan_name,
+	.assigned = xpp_span_assigned,
 #ifdef	DAHDI_SYNC_TICK
 	.sync_tick = dahdi_sync_tick,
 #endif
@@ -1227,7 +1266,7 @@ static const struct dahdi_span_ops PRI_span_ops = {
 #endif
 };
 
-static int PRI_card_dahdi_preregistration(xpd_t *xpd, bool on)
+static int apply_pri_protocol(xpd_t *xpd)
 {
 	xbus_t			*xbus;
 	struct PRI_priv_data	*priv;
@@ -1237,15 +1276,7 @@ static int PRI_card_dahdi_preregistration(xpd_t *xpd, bool on)
 	xbus = xpd->xbus;
 	priv = xpd->priv;
 	BUG_ON(!xbus);
-	XPD_DBG(GENERAL, xpd, "%s (proto=%s, channels=%d, deflaw=%d)\n",
-		(on)?"on":"off",
-		pri_protocol_name(priv->pri_protocol),
-		PHONEDEV(xpd).channels,
-		priv->deflaw);
-	if(!on) {
-		/* Nothing to do yet */
-		return 0;
-	}
+	XPD_DBG(GENERAL, xpd, "\n");
 	PHONEDEV(xpd).span.spantype = pri_protocol_name(priv->pri_protocol);
 	PHONEDEV(xpd).span.linecompat = pri_linecompat(priv->pri_protocol);
 	PHONEDEV(xpd).span.deflaw = priv->deflaw;
@@ -1268,9 +1299,32 @@ static int PRI_card_dahdi_preregistration(xpd_t *xpd, bool on)
 	}
 	PHONEDEV(xpd).offhook_state = PHONEDEV(xpd).wanted_pcm_mask;
 	PHONEDEV(xpd).span.ops = &PRI_span_ops;
+	PHONEDEV(xpd).span.channels = PHONEDEV(xpd).channels;
+	xpd_set_spanname(xpd);
 	return 0;
 }
 
+static int PRI_card_dahdi_preregistration(xpd_t *xpd, bool on)
+{
+	xbus_t			*xbus;
+	struct PRI_priv_data	*priv;
+
+	BUG_ON(!xpd);
+	xbus = xpd->xbus;
+	priv = xpd->priv;
+	BUG_ON(!xbus);
+	XPD_DBG(GENERAL, xpd, "%s (proto=%s, channels=%d, deflaw=%d)\n",
+		(on)?"on":"off",
+		pri_protocol_name(priv->pri_protocol),
+		PHONEDEV(xpd).channels,
+		priv->deflaw);
+	if(!on) {
+		/* Nothing to do yet */
+		return 0;
+	}
+	return apply_pri_protocol(xpd);
+}
+
 static int PRI_card_dahdi_postregistration(xpd_t *xpd, bool on)
 {
 	xbus_t			*xbus;
@@ -1424,14 +1478,17 @@ static int PRI_card_ioctl(xpd_t *xpd, int pos, unsigned int cmd, unsigned long a
 		return -ENODEV;
 	chan = XPD_CHAN(xpd, pos);
 	switch (cmd) {
+		/*
+		 * Asterisk may send FXS type ioctl()'s to us:
+		 *   - Some are sent to everybody (DAHDI_TONEDETECT)
+		 *   - Some are sent because we may be in CAS mode
+		 *     (FXS signalling)
+		 * Ignore them.
+		 */
 		case DAHDI_TONEDETECT:
-			/*
-			 * Asterisk call all span types with this (FXS specific)
-			 * call. Silently ignore it.
-			 */
 			LINE_DBG(SIGNAL, xpd, pos, "PRI: TONEDETECT (%s)\n",
 				(chan->flags & DAHDI_FLAG_AUDIO) ?
-					"AUDIO" : "SILENCE");
+				"AUDIO" : "SILENCE");
 			return -ENOTTY;
 		case DAHDI_ONHOOKTRANSFER:
 			LINE_DBG(SIGNAL, xpd, pos, "PRI: ONHOOKTRANSFER\n");
@@ -1442,6 +1499,10 @@ static int PRI_card_ioctl(xpd_t *xpd, int pos, unsigned int cmd, unsigned long a
 		case DAHDI_VMWI_CONFIG:
 			LINE_DBG(SIGNAL, xpd, pos, "PRI: VMWI_CONFIG\n");
 			return -ENOTTY;
+		case DAHDI_SETPOLARITY:
+			LINE_DBG(SIGNAL, xpd, pos, "PRI: SETPOLARITY\n");
+			return -ENOTTY;
+		/* report on really bad ioctl()'s */
 		default:
 			report_bad_ioctl(THIS_MODULE->name, xpd, pos, cmd);
 			return -ENOTTY;
@@ -2210,19 +2271,20 @@ static DEVICE_ATTR_WRITER(pri_protocol_store, dev, buf, count)
 	BUG_ON(!dev);
 	xpd = dev_to_xpd(dev);
 	XPD_DBG(GENERAL, xpd, "%s\n", buf);
-	if(!xpd)
+	if (!xpd)
 		return -ENODEV;
-	if((i = strcspn(buf, " \r\n")) != 2) {
+	i = strcspn(buf, " \r\n");
+	if (i != 2) {
 		XPD_NOTICE(xpd,
 			"Protocol name '%s' has %d characters (should be 2). Ignored.\n",
 			buf, i);
 		return -EINVAL;
 	}
-	if(strnicmp(buf, "E1", 2) == 0)
+	if (strnicmp(buf, "E1", 2) == 0)
 		new_protocol = PRI_PROTO_E1;
-	else if(strnicmp(buf, "T1", 2) == 0)
+	else if (strnicmp(buf, "T1", 2) == 0)
 		new_protocol = PRI_PROTO_T1;
-	else if(strnicmp(buf, "J1", 2) == 0)
+	else if (strnicmp(buf, "J1", 2) == 0)
 		new_protocol = PRI_PROTO_J1;
 	else {
 		XPD_NOTICE(xpd,
@@ -2234,7 +2296,8 @@ static DEVICE_ATTR_WRITER(pri_protocol_store, dev, buf, count)
 	return (ret < 0) ? ret : count;
 }
 
-static	DEVICE_ATTR(pri_protocol, S_IRUGO | S_IWUSR, pri_protocol_show, pri_protocol_store);
+static	DEVICE_ATTR(pri_protocol, S_IRUGO | S_IWUSR, pri_protocol_show,
+		pri_protocol_store);
 
 static DEVICE_ATTR_READER(pri_localloop_show, dev, buf)
 {

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
 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:%=../%)

drivers/dahdi/xpp/firmwares/PIC_TYPE_1.hex

@@ -1,5 +1,5 @@
 #        
-# $Id: PIC_TYPE_1.hex 7498 2009-11-17 11:38:56Z dima $
+# $Id: PIC_TYPE_1.hex 9841 2011-09-08 17:00:23Z dima $
 #        
 :03000000A1EA4A28
 :03000100C41C41DB
@@ -31,8 +31,8 @@
 :03001B00D00D0005
 :03001C00A17A17AF
 :03001D0080080058
-:03001E00C0710BA3
-:03001F0016603830
+:03001E00C0010B13
+:03001F0019A038ED
 :03002000743C0627
 :03002100A26D804D
 :03002200C01024E7
@@ -42,370 +42,370 @@
 :03002600C03030B7
 :0300270018C901F4
 :030028006432043B
-:03002900A4C03040
+:03002900A4A03060
 :03002A0020C901E9
 :03002B007432022A
-:03002C00AFA03052
-:03002D0020990116
-:03002E00021C8031
-:03002F00C40FFFFC
-:03003000D8016490
-:03003100024C106E
-:03003200C00FFFFD
-:0300330002215057
-:03003400201D0884
-:030035000306B906
-:03003600901D100A
-:0300370020402244
-:03003800030201BF
-:03003900901030F4
-:03003A0020290179
-:03003B00030204B9
-:03003C00901030F1
-:03003D00C11901E5
-:03003E00190202A2
-:03003F00643030FA
-:03004000A45901BF
-:03004100C22800D2
-:030042001902148C
-:03004300743E7098
-:03004400A483088A
-:03004500209308FD
-:030046001253084A
-:03004700A4B30857
-:03004800209027DE
-:03004900FFF800BD
-:03004A00165C0041
-:03004B00AFA0392A
-:03004C00209038C9
-:03004D00145C0739
-:03004E00643D40CE
-:03004F00A8C03412
-:03005000209C08E9
-:0300510002103862
-:03005200C40219CC
-:03005300D80E07BD
-:0300540002402047
-:03005500C0036085
-:0300560002236022
-:0300570020136013
-:030058000303603F
-:03005900901C10E8
-:03005A002040380B
-:03005B0003021984
-:03005C00901E07EC
-:03005D002021203F
-:03005E00030C1080
-:03005F009011807D
-:03006000C11E704E
-:0300610019074339
-:03006200643A6D90
-:03006300A68C0266
-:03006400C2218036
-:03006500190E036E
-:03006600743643AA
-:03006700A8CA70B4
-:03006800209C03D6
-:0300690002118001
-:03006A00C44E037E
-:03006B00D8064371
-:03006C00024A70D5
-:03006D00C00C01C3
-:03006E0002203835
-:03006F00201A6FE5
-:03007000030C1866
-:03007100901038B4
-:0300720020421910
-:03007300030E0F6A
-:0300740090103DAC
-:03007500202C003C
-:030076000300384C
-:03007700901C02D8
-:03007800210180E3
-:03007900E03E0363
-:03007A0074374395
-:03007B00C04A80F8
-:03007C00190C3F1D
-:03007D007480315B
-:03007E00A8CC16F5
-:03007F00C04A84F0
-:03008000FFFCFF83
-:0300810015003136
-:03008200643C18C3
-:03008300A87A84D4
-:0300840020903C8D
-:0300850013EE0F68
-:03008600A8A09D92
-:03008700209703BC
-:03008800FFFA8EEE
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drivers/dahdi/xpp/firmwares/PIC_TYPE_2.hex

@@ -1,5 +1,5 @@
 #        
-# $Id: PIC_TYPE_2.hex 7107 2009-05-18 12:35:20Z dima $
+# $Id: PIC_TYPE_2.hex 9732 2011-08-24 19:13:55Z dima $
 #
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drivers/dahdi/xpp/firmwares/USB_FW.201.hex

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drivers/dahdi/xpp/firmwares/USB_RECOV.hex

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drivers/dahdi/xpp/init_card_1_30

@@ -51,6 +51,7 @@ BEGIN { $init_dir = dirname($0); unshift(@INC, "$init_dir"); }
 use XppConfig $init_dir;
 my $unit_id;
 my %opts;
+my $vbat_48 = 0;
 
 getopts('o:', \%opts);
 
@@ -78,6 +79,7 @@ if (-t STDERR) {
 	foreach my $k (qw(
 			XBUS_NAME
 			XBUS_NUMBER
+			XBUS_MODEL_STRING
 			UNIT_NUMBER
 			UNIT_TYPE
 			UNIT_SUBUNITS
@@ -90,6 +92,10 @@ if (-t STDERR) {
 			die;
 		}
 	}
+	logit "XBUS_MODEL_STRING='$ENV{XBUS_MODEL_STRING}'";
+	if ($ENV{XBUS_MODEL_STRING} =~ m{.*/.*/201}) {
+		$vbat_48 = 1;
+	}
 	$chipregs = sprintf "/sys/bus/xpds/devices/%02d:%1d:0/chipregs",
 		$ENV{XBUS_NUMBER}, $ENV{UNIT_NUMBER};
 	if(! -f $chipregs) {
@@ -286,11 +292,15 @@ sub init_indirect_registers() {
 }
 
 sub init_early_direct_regs() {
+	my $lbv = ($vbat_48) ? "20" : "10";
+	my $vcm = ($vbat_48) ? "02" : "03";
+
 	return write_to_slic_file("#
 *	WD	08	00	# Audio Path Loopback Control
 *	WD	6C	01
 *	WD	4A	3F	# High Battery Voltage
-*	WD	4B	10	# Low Battery Voltage
+*	WD	4B	$lbv	# Low Battery Voltage
+*	WD	49	$vcm	# Common Mode Voltage (VCM)
 *	WD	40	00	# Line Feed Control
 #")
 }
@@ -578,9 +588,6 @@ __DATA__
 # On-Hook Line Voltage (VOC)
 *	WD	48 20
 
-# Common Mode Voltage (VCM)
-*	WD	49 03
-
 *	WS	1E	23	00 80
 *	WS	1E	24	20 03
 *	WS	1E	25	8C 00

drivers/dahdi/xpp/xbus-core.c

@@ -58,9 +58,11 @@ static int proc_xbus_command_write(struct file *file, const char __user *buffer,
 
 /* Command line parameters */
 extern int debug;
-static DEF_PARM(uint, command_queue_length, 1000, 0444, "Maximal command queue length");
+static DEF_PARM(uint, command_queue_length, 1500, 0444, "Maximal command queue length");
 static DEF_PARM(uint, poll_timeout, 1000, 0644, "Timeout (in jiffies) waiting for units to reply");
 static DEF_PARM_BOOL(rx_tasklet, 0, 0644, "Use receive tasklets");
+static DEF_PARM_BOOL(dahdi_autoreg, 0, 0644,
+		"Register devices automatically (1) or not (0)");
 
 #ifdef	CONFIG_PROC_FS
 static int xbus_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data);
@@ -776,7 +778,6 @@ static int xpd_initialize(xpd_t *xpd)
 		goto out;
 	}
 	XPD_INFO(xpd, "Initialized: %s\n", xpd->type_name);
-	xpd_post_init(xpd);
 	ret = 0;
 out:
 	return ret;
@@ -810,6 +811,29 @@ static int xbus_echocancel(xbus_t *xbus, int on)
 	return 0;
 }
 
+static void xbus_deactivate_xpds(xbus_t *xbus)
+{
+	unsigned long flags;
+	int unit;
+	int subunit;
+	xpd_t *xpd;
+
+	for (unit = 0; unit < MAX_UNIT; unit++) {
+		xpd = xpd_byaddr(xbus, unit, 0);
+		if (!xpd)
+			continue;
+		for (subunit = 0; subunit < MAX_SUBUNIT; subunit++) {
+			xpd = xpd_byaddr(xbus, unit, subunit);
+			if (!xpd)
+				continue;
+			spin_lock_irqsave(&xpd->lock, flags);
+			xpd->card_present = 0;
+			xpd_setstate(xpd, XPD_STATE_NOHW);
+			spin_unlock_irqrestore(&xpd->lock, flags);
+		}
+	}
+}
+
 static int xbus_initialize(xbus_t *xbus)
 {
 	int	unit;
@@ -871,6 +895,120 @@ err:
 	goto out;
 }
 
+int	xbus_is_registered(xbus_t *xbus)
+{
+	return xbus->ddev && xbus->ddev->dev.parent;
+}
+
+static void xbus_free_ddev(xbus_t *xbus)
+{
+	if (!xbus->ddev)
+		return;
+	if (xbus->ddev->devicetype)
+		kfree(xbus->ddev->devicetype);
+	xbus->ddev->devicetype = NULL;
+	xbus->ddev->location = NULL;
+	xbus->ddev->hardware_id = NULL;
+	dahdi_free_device(xbus->ddev);
+	xbus->ddev = NULL;
+}
+
+int xbus_register_dahdi_device(xbus_t *xbus)
+{
+	int i;
+	int offset = 0;
+	int ret;
+
+	XBUS_DBG(DEVICES, xbus, "Entering %s\n", __func__);
+	if (xbus_is_registered(xbus)) {
+		XBUS_ERR(xbus, "Already registered to DAHDI\n");
+		WARN_ON(1);
+		ret = -EINVAL;
+		goto err;
+	}
+	xbus->ddev = dahdi_create_device();
+	if (!xbus->ddev) {
+		ret = -ENOMEM;
+		goto err;
+	}
+	/*
+	 * This actually describe the dahdi_spaninfo version 3
+	 * A bunch of unrelated data exported via a modified ioctl()
+	 * What a bummer...
+	 */
+	xbus->ddev->manufacturer = "Xorcom Inc.";	/* OK, that's obvious */
+	/* span->spantype = "...."; set in card_dahdi_preregistration() */
+	/*
+	 * Yes, this basically duplicates information available
+	 * from the description field. If some more is needed
+	 * why not add it there?
+	 * OK, let's add to the kernel more useless info.
+	 */
+	xbus->ddev->devicetype = kasprintf(GFP_KERNEL, "Astribank2");
+	if (!xbus->ddev->devicetype) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	/*
+	 * location is the only usefull new data item.
+	 * For our devices it was available for ages via:
+	 *  - The legacy "/proc/xpp/XBUS-??/summary" (CONNECTOR=...)
+	 *  - The same info in "/proc/xpp/xbuses"
+	 *  - The modern "/sys/bus/astribanks/devices/xbus-??/connector" attribute
+	 * So let's also export it via the newfangled "location" field.
+	 */
+	xbus->ddev->location = xbus->connector;
+	xbus->ddev->hardware_id = xbus->label;
+
+	/*
+	 * Prepare the span list
+	 */
+	for (i = 0; i < MAX_XPDS; i++) {
+		xpd_t *xpd = xpd_of(xbus, i);
+		if (xpd && IS_PHONEDEV(xpd)) {
+			XPD_DBG(DEVICES, xpd, "offset=%d\n", offset);
+			xpd_dahdi_preregister(xpd, offset++);
+		}
+	}
+	if (dahdi_register_device(xbus->ddev, &xbus->astribank)) {
+		XBUS_ERR(xbus, "Failed to dahdi_register_device()\n");
+		ret = -ENODEV;
+		goto err;
+	}
+	for (i = 0; i < MAX_XPDS; i++) {
+		xpd_t *xpd = xpd_of(xbus, i);
+		if (xpd && IS_PHONEDEV(xpd)) {
+			XPD_DBG(DEVICES, xpd, "\n");
+			xpd_dahdi_postregister(xpd);
+		}
+	}
+	return 0;
+err:
+	xbus_free_ddev(xbus);
+	return ret;
+}
+
+void xbus_unregister_dahdi_device(xbus_t *xbus)
+{
+	int i;
+
+	XBUS_NOTICE(xbus, "%s\n", __func__);
+	for(i = 0; i < MAX_XPDS; i++) {
+		xpd_t *xpd = xpd_of(xbus, i);
+		xpd_dahdi_preunregister(xpd);
+	}
+	if (xbus->ddev) {
+		dahdi_unregister_device(xbus->ddev);
+		XBUS_NOTICE(xbus, "%s: finished dahdi_unregister_device()\n", __func__);
+		xbus_free_ddev(xbus);
+	}
+	for(i = 0; i < MAX_XPDS; i++) {
+		xpd_t *xpd = xpd_of(xbus, i);
+		xpd_dahdi_postunregister(xpd);
+	}
+}
+
 /*
  * This must be called from synchronous (non-interrupt) context
  * it returns only when all XPD's on the bus are detected and
@@ -934,6 +1072,8 @@ void xbus_populate(void *data)
 	 */
 	xbus_request_sync(xbus, SYNC_MODE_PLL);
 	elect_syncer("xbus_populate(end)");	/* FIXME: try to do it later */
+	if (dahdi_autoreg)
+		xbus_register_dahdi_device(xbus);
 out:
 	XBUS_DBG(DEVICES, xbus, "Leaving\n");
 	wake_up_interruptible_all(&worker->wait_for_xpd_initialization);
@@ -1206,12 +1346,13 @@ void xbus_deactivate(xbus_t *xbus)
 	xbus_request_sync(xbus, SYNC_MODE_NONE);	/* no more ticks */
 	elect_syncer("deactivate");
 	xbus_echocancel(xbus, 0);
-	xbus_request_removal(xbus);
+	xbus_deactivate_xpds(xbus);
 	XBUS_DBG(DEVICES, xbus, "[%s] Waiting for queues\n", xbus->label);
 	xbus_command_queue_clean(xbus);
 	xbus_command_queue_waitempty(xbus);
 	xbus_setstate(xbus, XBUS_STATE_DEACTIVATED);
 	worker_reset(xbus);
+	xbus_unregister_dahdi_device(xbus);
 	xbus_release_xpds(xbus);	/* taken in xpd_alloc() [kref_init] */
 }
 
@@ -1316,7 +1457,6 @@ xbus_t *xbus_new(struct xbus_ops *ops, ushort max_send_size, struct device *tran
 	xbus = xbus_alloc();
 	if(!xbus) {
 		ERR("%s: Failed allocating new xbus\n", __FUNCTION__);
-		module_put(THIS_MODULE);
 		return NULL;
 	}
 	snprintf(xbus->busname, XBUS_NAMELEN, "XBUS-%02d", xbus->num);
@@ -1788,10 +1928,6 @@ err:
 
 void xbus_core_shutdown(void)
 {
-	int		i;
-
-	for(i = 0; i < MAX_BUSES; i++)
-		BUG_ON(xbus_num(i));
 	xbus_core_cleanup();
 	xpp_driver_exit();
 }

drivers/dahdi/xpp/xbus-core.h

@@ -29,8 +29,9 @@
 #include "xframe_queue.h"
 #include "xbus-pcm.h"
 
-#define	MAX_BUSES		32
-#define	XFRAME_DATASIZE		512
+#define	MAX_BUSES	128
+#define	XFRAME_DATASIZE	512
+#define	MAX_ENV_STR	40
 
 /* forward declarations */
 struct xbus_workqueue;
@@ -108,6 +109,7 @@ struct xbus_transport {
 	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)
@@ -188,6 +190,7 @@ struct xbus {
 	char			label[LABEL_SIZE];
 	byte			revision;		/* Protocol revision */
 	struct xbus_transport	transport;
+	struct dahdi_device	*ddev;
 
 	int			num;
 	struct xpd		*xpds[MAX_XPDS];
@@ -340,6 +343,10 @@ 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	xpp_driver_init(void);
 void	xpp_driver_exit(void);
 int	xbus_sysfs_transport_create(xbus_t *xbus);

drivers/dahdi/xpp/xbus-sysfs.c

@@ -438,16 +438,6 @@ static void astribank_release(struct device *dev)
 	xbus_free(xbus);
 }
 
-static void toplevel_release(struct device *dev)
-{
-	NOTICE("%s\n", __func__);
-}
-
-static struct device toplevel_device = {
-	.release	= toplevel_release,
-	/* No Parent */
-};
-
 static struct bus_type toplevel_bus_type = {
 	.name           = "astribanks",
 	.match          = astribank_match,
@@ -623,6 +613,10 @@ static DEVICE_ATTR_READER(span_show, dev, buf)
 	return len;
 }
 
+/*
+ * For backward compatibility with old dahdi-tools
+ * Remove after dahdi_registration is upgraded
+ */
 static DEVICE_ATTR_WRITER(span_store, dev, buf, count)
 {
 	xpd_t		*xpd;
@@ -631,19 +625,34 @@ static DEVICE_ATTR_WRITER(span_store, dev, buf, count)
 
 	BUG_ON(!dev);
 	xpd = dev_to_xpd(dev);
-	if(!xpd)
+	if (!xpd)
 		return -ENODEV;
 	ret = sscanf(buf, "%d", &dahdi_reg);
-	if(ret != 1)
+	if (ret != 1)
 		return -EINVAL;
-	if(!XBUS_IS(xpd->xbus, READY))
+	if (!XBUS_IS(xpd->xbus, READY))
 		return -ENODEV;
-	XPD_DBG(GENERAL, xpd, "%s\n", (dahdi_reg) ? "register" : "unregister");
-	if(dahdi_reg)
-		ret = dahdi_register_xpd(xpd);
-	else
-		ret = dahdi_unregister_xpd(xpd);
-	return (ret < 0) ? ret : count;
+	XPD_DBG(DEVICES, xpd,
+		"%s -- deprecated (should use pinned-spans)\n",
+		(dahdi_reg) ? "register" : "unregister");
+	if (xbus_is_registered(xpd->xbus)) {
+		if (dahdi_reg) {
+			XPD_DBG(DEVICES, xpd,
+				"already registered %s. Ignored.\n",
+				xpd->xbus->busname);
+		} else {
+			xbus_unregister_dahdi_device(xpd->xbus);
+		}
+	} else {
+		if (!dahdi_reg) {
+			XPD_DBG(DEVICES, xpd,
+				"already unregistered %s. Ignored.\n",
+				xpd->xbus->busname);
+		} else {
+			xbus_register_dahdi_device(xpd->xbus);
+		}
+	}
+	return count;
 }
 
 static DEVICE_ATTR_READER(type_show, dev, buf)
@@ -964,7 +973,7 @@ int xbus_sysfs_create(xbus_t *xbus)
 	astribank = &xbus->astribank;
 	XBUS_DBG(DEVICES, xbus, "\n");
 	astribank->bus = &toplevel_bus_type;
-	astribank->parent = &toplevel_device;
+	astribank->parent = xbus->transport.transport_device;
 	dev_set_name(astribank, "xbus-%02d", xbus->num);
 	dev_set_drvdata(astribank, xbus);
 	astribank->release = astribank_release;
@@ -981,16 +990,10 @@ int __init xpp_driver_init(void)
 	int	ret;
 
 	DBG(DEVICES, "SYSFS\n");
-	dev_set_name(&toplevel_device, "astribanks");
-	ret = device_register(&toplevel_device);
-	if (ret) {
-		ERR("%s: toplevel device_register failed: %d\n", __func__, ret);
-		goto failed_toplevel;
-	}
 	if((ret = bus_register(&toplevel_bus_type)) < 0) {
 		ERR("%s: bus_register(%s) failed. Error number %d",
 			__FUNCTION__, toplevel_bus_type.name, ret);
-		goto failed_bus;
+		goto failed_toplevel;
 	}
 	if((ret = driver_register(&xpp_driver)) < 0) {
 		ERR("%s: driver_register(%s) failed. Error number %d",
@@ -1007,8 +1010,6 @@ failed_xpd_bus:
 	driver_unregister(&xpp_driver);
 failed_xpp_driver:
 	bus_unregister(&toplevel_bus_type);
-failed_bus:
-	device_unregister(&toplevel_device);
 failed_toplevel:
 	return ret;
 }
@@ -1019,7 +1020,6 @@ void xpp_driver_exit(void)
 	bus_unregister(&xpd_type);
 	driver_unregister(&xpp_driver);
 	bus_unregister(&toplevel_bus_type);
-	device_unregister(&toplevel_device);
 }
 
 EXPORT_SYMBOL(xpd_driver_register);

drivers/dahdi/xpp/xdefs.h

@@ -144,12 +144,14 @@ typedef unsigned char		byte;
 #define	SET_PROC_DIRENTRY_OWNER(p)	do { } while(0);
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-/* Also don't define this for later RHEL >= 5.2 . hex_asc is from the 
- * same linux-2.6-net-infrastructure-updates-to-mac80211-iwl4965.patch
- * as is the bool typedef. */
-#if LINUX_VERSION_CODE != KERNEL_VERSION(2,6,18)  || !  defined(hex_asc)
-typedef int			bool;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
+/* Also don't define this for later RHEL >= 5.2. */
+#if defined(RHEL_RELEASE_CODE) && defined(RHEL_RELEASE_VERSION)
+#if RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(5, 3)
+typedef int bool;
+#endif
+#else
+typedef int bool;
 #endif
 #endif
 #else

drivers/dahdi/xpp/xpd.h

@@ -49,6 +49,7 @@ typedef	unsigned gfp_t;		/* Added in 2.6.14 */
 #endif
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)
 /*
  * FIXME: Kludge for 2.6.19
  * bool is now defined as a proper boolean type (gcc _Bool)
@@ -58,6 +59,12 @@ typedef	unsigned gfp_t;		/* Added in 2.6.14 */
 	int name = init;	\
 	module_param(name, bool, perm);		\
 	MODULE_PARM_DESC(name, desc " [default " #init "]")
+#else
+#define	DEF_PARM_BOOL(name, init, perm, desc) \
+	bool name = init; \
+	module_param(name, bool, perm); \
+	MODULE_PARM_DESC(name, desc " [default " #init "]")
+#endif
 
 #define	DEF_PARM(type,name,init,perm,desc)	\
 	type name = init;	\

drivers/dahdi/xpp/xpp_dahdi.c

@@ -57,7 +57,6 @@ struct proc_dir_entry *xpp_proc_toplevel = NULL;
 #define	DELAY_UNTIL_DIALTONE	3000
 
 DEF_PARM(int, debug, 0, 0644, "Print DBG statements");
-static DEF_PARM_BOOL(dahdi_autoreg, 0, 0644, "Register spans automatically (1) or not (0)");
 static DEF_PARM_BOOL(prefmaster, 0, 0644, "Do we want to be dahdi preferred sync master");
 // DEF_ARRAY(int, pcmtx, 4, 0, "Forced PCM values to transmit");
 
@@ -253,13 +252,6 @@ int create_xpd(xbus_t *xbus, const xproto_table_t *proto_table,
 	return 0;
 }
 
-void xpd_post_init(xpd_t *xpd)
-{
-	XPD_DBG(DEVICES, xpd, "\n");
-	if(dahdi_autoreg)
-		dahdi_register_xpd(xpd);
-}
-
 #ifdef CONFIG_PROC_FS
 
 /**
@@ -568,46 +560,6 @@ err:
 	return NULL;
 }
 
-/*
- * Try our best to make asterisk close all channels related to
- * this Astribank:
- *   - Set span state to DAHDI_ALARM_NOTOPEN in all relevant spans.
- *   - Notify dahdi afterwards about spans (so it can see all changes at once).
- *   - Also send DAHDI_EVENT_REMOVED on all channels.
- */
-void xbus_request_removal(xbus_t *xbus)
-{
-	unsigned long	flags;
-	int		i;
-
-	for(i = 0; i < MAX_XPDS; i++) {
-		xpd_t *xpd = xpd_of(xbus, i);
-		if(xpd) {
-			XPD_DBG(DEVICES, xpd, "\n");
-			spin_lock_irqsave(&xpd->lock, flags);
-			xpd->card_present = 0;
-			xpd_setstate(xpd, XPD_STATE_NOHW);
-			PHONEDEV(xpd).span.alarms = DAHDI_ALARM_NOTOPEN;
-			spin_unlock_irqrestore(&xpd->lock, flags);
-		}
-	}
-	/* Now notify dahdi */
-	for(i = 0; i < MAX_XPDS; i++) {
-		xpd_t *xpd = xpd_of(xbus, i);
-		if(xpd) {
-			if(SPAN_REGISTERED(xpd)) {
-				int j;
-
-				dahdi_alarm_notify(&PHONEDEV(xpd).span);
-				XPD_DBG(DEVICES, xpd, "Queuing DAHDI_EVENT_REMOVED on all channels to ask user to release them\n");
-				for (j=0; j<PHONEDEV(xpd).span.channels; j++) {
-					dahdi_qevent_lock(XPD_CHAN(xpd, j),DAHDI_EVENT_REMOVED);
-				}
-			}
-		}
-	}
-}
-
 /*
  * The xpd isn't open by anyone, we can unregister it and free it
  */
@@ -615,7 +567,6 @@ void xpd_remove(xpd_t *xpd)
 {
 	BUG_ON(!xpd);
 	XPD_INFO(xpd, "Remove\n");
-	dahdi_unregister_xpd(xpd);
 	CALL_XMETHOD(card_remove, xpd);
 	xpd_free(xpd);
 }
@@ -734,7 +685,6 @@ int xpp_open(struct dahdi_chan *chan)
 		return -EINVAL;
 	}
 	xpd = chan->pvt;
-	xpd = get_xpd(__FUNCTION__, xpd);	/* Returned in xpp_close() */
 	if (!xpd) {
 		NOTICE("open called on a chan with no pvt (xpd)\n");
 		BUG();
@@ -747,7 +697,6 @@ int xpp_open(struct dahdi_chan *chan)
 	pos = chan->chanpos - 1;
 	if(!xpd->card_present) {
 		LINE_NOTICE(xpd, pos, "Cannot open -- device not ready\n");
-		put_xpd(__FUNCTION__, xpd);
 		return -ENODEV;
 	}
 	spin_lock_irqsave(&xbus->lock, flags);
@@ -776,7 +725,6 @@ int xpp_close(struct dahdi_chan *chan)
 		current->comm, current->pid,
 		atomic_read(&PHONEDEV(xpd).open_counter));
 	atomic_dec(&PHONEDEV(xpd).open_counter);		/* from xpp_open() */
-	put_xpd(__FUNCTION__, xpd);					/* from xpp_open() */
 	return 0;
 }
 
@@ -886,7 +834,7 @@ int xpp_maint(struct dahdi_span *span, int cmd)
  * If the watchdog detects no received data, it will call the
  * watchdog routine
  */
-static int xpp_watchdog(struct dahdi_span *span, int cause)
+int xpp_watchdog(struct dahdi_span *span, int cause)
 {
 	static	int rate_limit = 0;
 
@@ -894,6 +842,7 @@ static int xpp_watchdog(struct dahdi_span *span, int cause)
 		DBG(GENERAL, "\n");
 	return 0;
 }
+EXPORT_SYMBOL(xpp_watchdog);
 #endif
 
 /*
@@ -915,6 +864,7 @@ static void echocan_free(struct dahdi_chan *chan,
 	LINE_DBG(GENERAL, xpd, pos, "mode=0x%X\n", ec->status.mode);
 	CALL_EC_METHOD(ec_set, xbus, xpd, pos, 0);
 	CALL_EC_METHOD(ec_update, xbus, xbus);
+	put_xpd(__FUNCTION__, xpd);	/* aquired in xpp_echocan_create() */
 }
 
 static const struct dahdi_echocan_features xpp_ec_features = {
@@ -937,7 +887,7 @@ const char *xpp_echocan_name(const struct dahdi_chan *chan)
 	xpd = chan->pvt;
 	xbus = xpd->xbus;
 	pos = chan->chanpos - 1;
-	LINE_DBG(GENERAL, xpd, pos, "%s:\n", __func__);
+	LINE_DBG(GENERAL, xpd, pos, "\n");
 	if (!ECHOOPS(xbus))
 		return NULL;
 	/*
@@ -986,6 +936,7 @@ int xpp_echocan_create(struct dahdi_chan *chan,
 	*ec = phonedev->ec[pos];
 	(*ec)->ops = &xpp_ec_ops;
 	(*ec)->features = xpp_ec_features;
+	xpd = get_xpd(__FUNCTION__, xpd);	/* Returned in echocan_free() */
 	LINE_DBG(GENERAL, xpd, pos, "(tap=%d, param_count=%d)\n",
 		ecp->tap_length, ecp->param_count);
 	ret = CALL_EC_METHOD(ec_set, xbus, xpd, pos, 1);
@@ -994,53 +945,18 @@ int xpp_echocan_create(struct dahdi_chan *chan,
 }
 EXPORT_SYMBOL(xpp_echocan_create);
 
-
-/**
- * Unregister an xpd from dahdi and release related resources
- * @xpd The xpd to be unregistered
- * @returns 0 on success, errno otherwise
- * 
- * Checks that nobody holds an open channel.
- *
- * Called by:
- * 	- User action through /proc
- * 	- During xpd_remove()
- */
-int dahdi_unregister_xpd(xpd_t *xpd)
+void xpp_span_assigned(struct dahdi_span *span)
 {
-	unsigned long	flags;
+	struct phonedev	*phonedev = container_of(span, struct phonedev, span);
+	xpd_t		*xpd = container_of(phonedev, struct xpd, phonedev);
 
-	BUG_ON(!xpd);
-	spin_lock_irqsave(&xpd->lock, flags);
-
-	if (!IS_PHONEDEV(xpd)) {
-		XPD_ERR(xpd, "Not a telephony device\n");
-		spin_unlock_irqrestore(&xpd->lock, flags);
-		return -EBADF;
+	XPD_INFO(xpd, "Span assigned: %d\n", span->spanno);
+	if (xpd->card_present) {
+		span->alarms &= ~DAHDI_ALARM_NOTOPEN;
+		dahdi_alarm_notify(&phonedev->span);
 	}
-	if(!SPAN_REGISTERED(xpd)) {
-		XPD_NOTICE(xpd, "Already unregistered\n");
-		spin_unlock_irqrestore(&xpd->lock, flags);
-		return -EIDRM;
-	}
-	update_xpd_status(xpd, DAHDI_ALARM_NOTOPEN);
-	/* We should now have only a ref from the xbus (from create_xpd()) */
-	if(atomic_read(&PHONEDEV(xpd).open_counter)) {
-		XPD_NOTICE(xpd, "Busy (open_counter=%d). Skipping.\n", atomic_read(&PHONEDEV(xpd).open_counter));
-		spin_unlock_irqrestore(&xpd->lock, flags);
-		return -EBUSY;
-	}
-	mdelay(2);	// FIXME: This is to give chance for transmit/receiveprep to finish.
-	spin_unlock_irqrestore(&xpd->lock, flags);
-	if(xpd->card_present)
-		CALL_PHONE_METHOD(card_dahdi_preregistration, xpd, 0);
-	atomic_dec(&PHONEDEV(xpd).dahdi_registered);
-	atomic_dec(&num_registered_spans);
-	dahdi_unregister(&PHONEDEV(xpd).span);
-	if(xpd->card_present)
-		CALL_PHONE_METHOD(card_dahdi_postregistration, xpd, 0);
-	return 0;
 }
+EXPORT_SYMBOL(xpp_span_assigned);
 
 static const struct dahdi_span_ops xpp_span_ops = {
 	.owner = THIS_MODULE,
@@ -1050,6 +966,7 @@ static const struct dahdi_span_ops xpp_span_ops = {
 	.maint = xpp_maint,
 	.echocan_create = xpp_echocan_create,
 	.echocan_name = xpp_echocan_name,
+	.assigned = xpp_span_assigned,
 };
 
 static const struct dahdi_span_ops xpp_rbs_span_ops = {
@@ -1061,14 +978,54 @@ static const struct dahdi_span_ops xpp_rbs_span_ops = {
 	.maint = xpp_maint,
 	.echocan_create = xpp_echocan_create,
 	.echocan_name = xpp_echocan_name,
+	.assigned = xpp_span_assigned,
 };
 
-int dahdi_register_xpd(xpd_t *xpd)
+void xpd_set_spanname(xpd_t *xpd)
+{
+	struct dahdi_span *span = &PHONEDEV(xpd).span;
+
+	snprintf(span->name, MAX_SPANNAME, "%s/%s", xpd->xbus->busname, xpd->xpdname);
+	/*
+	 * The "Xorcom XPD" is a prefix in one of the regexes we
+	 * use in our dahdi_genconf to match for PRI cards.
+	 * FIXME: After moving completely to sysfs, we can remove
+	 * this horseshit.
+	 */
+	snprintf(span->desc, MAX_SPANDESC, "Xorcom XPD [%s].%d: %s",
+			xpd->xbus->label, span->offset + 1, xpd->type_name);
+}
+EXPORT_SYMBOL(xpd_set_spanname);
+
+static void xpd_init_span(xpd_t *xpd, unsigned offset, int cn)
 {
 	struct dahdi_span	*span;
+	int			i;
+
+	memset(&PHONEDEV(xpd).span, 0, sizeof(struct dahdi_span));
+	for (i = 0; i < cn; i++)
+		memset(XPD_CHAN(xpd, i), 0, sizeof(struct dahdi_chan));
+
+	span = &PHONEDEV(xpd).span;
+	span->deflaw = DAHDI_LAW_MULAW;	/* default, may be overriden by card_* drivers */
+	span->channels = cn;
+	span->chans = PHONEDEV(xpd).chans;
+
+	span->flags = DAHDI_FLAG_RBS;
+	span->offset = offset;
+	if (PHONEDEV(xpd).phoneops->card_hooksig)
+		span->ops = &xpp_rbs_span_ops;	/* Only with RBS bits */
+	else
+		span->ops = &xpp_span_ops;
+	xpd_set_spanname(xpd);
+	list_add_tail(&span->device_node, &xpd->xbus->ddev->spans);
+}
+
+int xpd_dahdi_preregister(xpd_t *xpd, unsigned offset)
+{
 	xbus_t		*xbus;
 	int		cn;
-	int		i;
+	struct phonedev	*phonedev;
 
 	BUG_ON(!xpd);
 
@@ -1078,70 +1035,26 @@ int dahdi_register_xpd(xpd_t *xpd)
 		XPD_ERR(xpd, "Not a telephony device\n");
 		return -EBADF;
 	}
+
+	phonedev = &PHONEDEV(xpd);
+
 	if (SPAN_REGISTERED(xpd)) {
 		XPD_ERR(xpd, "Already registered\n");
 		return -EEXIST;
 	}
+
 	cn = PHONEDEV(xpd).channels;
-	XPD_DBG(DEVICES, xpd, "Initializing span: %d channels.\n", cn);
-	memset(&PHONEDEV(xpd).span, 0, sizeof(struct dahdi_span));
-	for(i = 0; i < cn; i++) {
-		memset(XPD_CHAN(xpd, i), 0, sizeof(struct dahdi_chan));
-	}
-
-	span = &PHONEDEV(xpd).span;
-	snprintf(span->name, MAX_SPANNAME, "%s/%s", xbus->busname, xpd->xpdname);
-	span->deflaw = DAHDI_LAW_MULAW;	/* default, may be overriden by card_* drivers */
-	span->channels = cn;
-	span->chans = PHONEDEV(xpd).chans;
-
-	span->flags = DAHDI_FLAG_RBS;
-	if(PHONEDEV(xpd).phoneops->card_hooksig)
-		span->ops = &xpp_rbs_span_ops;	/* Only with RBS bits */
-	else
-		span->ops = &xpp_span_ops;
-
-	/*
-	 * This actually describe the dahdi_spaninfo version 3
-	 * A bunch of unrelated data exported via a modified ioctl()
-	 * What a bummer...
-	 */
-	span->manufacturer = "Xorcom Inc.";	/* OK, that's obvious */
-	/* span->spantype = "...."; set in card_dahdi_preregistration() */
-	/*
-	 * Yes, this basically duplicates information available
-	 * from the description field. If some more is needed
-	 * why not add it there?
-	 * OK, let's add to the kernel more useless info.
-	 */
-	snprintf(span->devicetype, sizeof(span->devicetype) - 1,
-		"Astribank: Unit %x Subunit %x: %s",
-		XBUS_UNIT(xpd->xbus_idx), XBUS_SUBUNIT(xpd->xbus_idx),
-		xpd->type_name);
-	/*
-	 * location is the only usefull new data item.
-	 * For our devices it was available for ages via:
-	 *  - The legacy "/proc/xpp/XBUS-??/summary" (CONNECTOR=...)
-	 *  - The same info in "/proc/xpp/xbuses"
-	 *  - The modern "/sys/bus/astribanks/devices/xbus-??/connector" attribute
-	 * So let's also export it via the newfangled "location" field.
-	 */
-	snprintf(span->location, sizeof(span->location) - 1, "%s", xbus->connector); 
-	/*
-	 * Who said a span and irq have 1-1 relationship?
-	 * Also exporting this low-level detail isn't too wise.
-	 * No irq's for you today!
-	 */
-	span->irq = 0;
-
-	snprintf(PHONEDEV(xpd).span.desc, MAX_SPANDESC, "Xorcom XPD #%02d/%1d%1d: %s",
-			xbus->num, xpd->addr.unit, xpd->addr.subunit, xpd->type_name);
-	XPD_DBG(GENERAL, xpd, "Registering span '%s'\n", PHONEDEV(xpd).span.desc);
+	xpd_init_span(xpd, offset, cn);
+	XPD_DBG(DEVICES, xpd, "Preregister local span %d: %d channels.\n",
+		offset + 1, cn);
 	CALL_PHONE_METHOD(card_dahdi_preregistration, xpd, 1);
-	if(dahdi_register(&PHONEDEV(xpd).span, prefmaster)) {
-		XPD_ERR(xpd, "Failed to dahdi_register span\n");
-		return -ENODEV;
-	}
+	return 0;
+}
+
+int xpd_dahdi_postregister(xpd_t *xpd)
+{
+	int	cn;
+
 	atomic_inc(&num_registered_spans);
 	atomic_inc(&PHONEDEV(xpd).dahdi_registered);
 	CALL_PHONE_METHOD(card_dahdi_postregistration, xpd, 1);
@@ -1161,6 +1074,43 @@ int dahdi_register_xpd(xpd_t *xpd)
 	return 0;
 }
 
+/*
+ * Try our best to make asterisk close all channels related to
+ * this Astribank:
+ *   - Set span state to DAHDI_ALARM_NOTOPEN in all relevant spans.
+ *   - Notify dahdi afterwards about spans (so it can see all changes at once).
+ *   - Also send DAHDI_EVENT_REMOVED on all channels.
+ */
+void xpd_dahdi_preunregister(xpd_t *xpd)
+{
+	if (!xpd || !IS_PHONEDEV(xpd))
+		return;
+	XPD_DBG(DEVICES, xpd, "\n");
+	update_xpd_status(xpd, DAHDI_ALARM_NOTOPEN);
+	if(xpd->card_present)
+		CALL_PHONE_METHOD(card_dahdi_preregistration, xpd, 0);
+	/* Now notify dahdi */
+	if(SPAN_REGISTERED(xpd)) {
+		int j;
+
+		dahdi_alarm_notify(&PHONEDEV(xpd).span);
+		XPD_DBG(DEVICES, xpd, "Queuing DAHDI_EVENT_REMOVED on all channels to ask user to release them\n");
+		for (j=0; j<PHONEDEV(xpd).span.channels; j++) {
+			dahdi_qevent_lock(XPD_CHAN(xpd, j),DAHDI_EVENT_REMOVED);
+		}
+	}
+}
+
+void xpd_dahdi_postunregister(xpd_t *xpd)
+{
+	if (!xpd || !IS_PHONEDEV(xpd))
+		return;
+	atomic_dec(&PHONEDEV(xpd).dahdi_registered);
+	atomic_dec(&num_registered_spans);
+	if(xpd->card_present)
+		CALL_PHONE_METHOD(card_dahdi_postregistration, xpd, 0);
+}
+
 /*------------------------- Initialization -------------------------*/
 
 static void do_cleanup(void)
@@ -1181,11 +1131,6 @@ static int __init xpp_dahdi_init(void)
 
 	INFO("revision %s MAX_XPDS=%d (%d*%d)\n", XPP_VERSION,
 			MAX_XPDS, MAX_UNIT, MAX_SUBUNIT);
-#ifdef CONFIG_DAHDI_BRI_DCHANS
-	INFO("FEATURE: with BRISTUFF support\n");
-#else
-	INFO("FEATURE: without BRISTUFF support\n");
-#endif
 #ifdef CONFIG_PROC_FS
 	xpp_proc_toplevel = proc_mkdir(PROC_DIR, NULL);
 	if(!xpp_proc_toplevel) {
@@ -1220,12 +1165,10 @@ static void __exit xpp_dahdi_cleanup(void)
 
 EXPORT_SYMBOL(debug);
 EXPORT_SYMBOL(create_xpd);
-EXPORT_SYMBOL(xpd_post_init);
 EXPORT_SYMBOL(get_xpd);
 EXPORT_SYMBOL(put_xpd);
 EXPORT_SYMBOL(xpd_alloc);
 EXPORT_SYMBOL(xpd_free);
-EXPORT_SYMBOL(xbus_request_removal);
 EXPORT_SYMBOL(update_xpd_status);
 EXPORT_SYMBOL(oht_pcm);
 EXPORT_SYMBOL(mark_offhook);

drivers/dahdi/xpp/xpp_dahdi.h

@@ -25,12 +25,13 @@
 #include "xpd.h"
 #include "xproto.h"
 
-int dahdi_register_xpd(xpd_t *xpd);
-int dahdi_unregister_xpd(xpd_t *xpd);
-void xbus_request_removal(xbus_t *xbus);
+void xpd_set_spanname(xpd_t *xpd);
+int xpd_dahdi_preregister(xpd_t *xpd, unsigned offset);
+int xpd_dahdi_postregister(xpd_t *xpd);
+void xpd_dahdi_preunregister(xpd_t *xpd);
+void xpd_dahdi_postunregister(xpd_t *xpd);
 int create_xpd(xbus_t *xbus, const xproto_table_t *proto_table,
 		int unit, int subunit, byte type, byte subtype, int subunits, int subunit_ports, byte port_dir);
-void xpd_post_init(xpd_t *xpd);
 xpd_t *xpd_alloc(xbus_t *xbus, int unit, int subunit, int subtype, int subunits, size_t privsize, const xproto_table_t *proto_table, int channels);
 void xpd_free(xpd_t *xpd);
 void xpd_remove(xpd_t *xpd);
@@ -46,6 +47,8 @@ int xpp_close(struct dahdi_chan *chan);
 int xpp_ioctl(struct dahdi_chan *chan, unsigned int cmd, unsigned long arg);
 int xpp_hooksig(struct dahdi_chan *chan, enum dahdi_txsig txsig);
 int xpp_maint(struct dahdi_span *span, int cmd);
+int xpp_watchdog(struct dahdi_span *span, int cause);
+void xpp_span_assigned(struct dahdi_span *span);
 void report_bad_ioctl(const char *msg, xpd_t *xpd, int pos, unsigned int cmd);
 int total_registered_spans(void);
 void oht_pcm(xpd_t *xpd, int pos, bool pass);

drivers/dahdi/xpp/xpp_debug

@@ -43,11 +43,10 @@ show_debug() {
 			list=''
 			for n in $dbg_names
 			do
-				if (( val & (1 << j) ))
-				then
+				if [ $(( val & (1 << j) )) -ne 0 ]; then
 					list="$list $n"
 				fi
-				let j++
+				j=$((j+1))
 			done
 			if [ "$list" = "" ]; then
 				list=' NONE'
@@ -67,19 +66,19 @@ calc_debug() {
 		for n in $dbg_names
 		do
 			if [ "$wanted" = "$n" ]; then
-				(( val |= (1 << j) ))
+				: $(( val |= (1 << j) ))
 				found=1
 			elif [ "$wanted" = -"$n" ]; then
-				(( val &= ~(1 << j) ))
+				: $(( val &= ~(1 << j) ))
 				found=1
 			elif [ "$wanted" = "ANY" ]; then
-				(( val = ~0 ))
+				: $(( val = ~0 ))
 				found=1
 			elif [ "$wanted" = -"ANY" -o "$wanted" = "NONE" ]; then
-				(( val = 0 ))
+				val=0
 				found=1
 			fi
-			let j++
+			j=$((j+1))
 		done
 		if [ "$found" -eq 0 ]; then
 			echo >&2 "$0: Unknown debug flag '$wanted'"

drivers/dahdi/xpp/xpp_usb.c

@@ -737,6 +737,12 @@ static int xusb_probe(struct usb_interface *interface, const struct usb_device_i
 		retval = -ENOMEM;
 		goto probe_failed;
 	}
+	snprintf(xbus->transport.model_string,
+		ARRAY_SIZE(xbus->transport.model_string),
+		"usb:%04x/%04x/%x",
+		udev->descriptor.idVendor,
+		udev->descriptor.idProduct,
+		udev->descriptor.bcdDevice);
 	spin_lock_irqsave(&xusb_lock, flags);
 	for(i = 0; i < MAX_BUSES; i++) {
 		if(xusb_array[i] == NULL)

drivers/dahdi/xpp/xproto.c

@@ -75,6 +75,12 @@ static const xproto_table_t *xproto_table(xpd_type_t cardtype)
 	return xprotocol_tables[cardtype];
 }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+#define MODULE_REFCOUNT_FORMAT "%s refcount was %d\n"
+#else
+#define MODULE_REFCOUNT_FORMAT "%s refcount was %lu\n"
+#endif
+
 const xproto_table_t *xproto_get(xpd_type_t cardtype)
 {
 	const xproto_table_t *xtable;
@@ -94,7 +100,8 @@ const xproto_table_t *xproto_get(xpd_type_t cardtype)
 	if(xtable) {
 		BUG_ON(!xtable->owner);
 #ifdef CONFIG_MODULE_UNLOAD
-		DBG(GENERAL, "%s refcount was %d\n", xtable->name, module_refcount(xtable->owner));
+		DBG(GENERAL, MODULE_REFCOUNT_FORMAT, xtable->name,
+		    module_refcount(xtable->owner));
 #endif
 		if(!try_module_get(xtable->owner)) {
 			ERR("%s: try_module_get for %s failed.\n", __FUNCTION__, xtable->name);
@@ -108,7 +115,8 @@ void xproto_put(const xproto_table_t *xtable)
 {
 	BUG_ON(!xtable);
 #ifdef CONFIG_MODULE_UNLOAD
-	DBG(GENERAL, "%s refcount was %d\n", xtable->name, module_refcount(xtable->owner));
+	DBG(GENERAL, MODULE_REFCOUNT_FORMAT, xtable->name,
+	    module_refcount(xtable->owner));
 	BUG_ON(module_refcount(xtable->owner) <= 0);
 #endif
 	module_put(xtable->owner);

include/dahdi/kernel.h

@@ -42,7 +42,8 @@
 #include <linux/config.h>
 #endif
 #include <linux/fs.h>
-#include <linux/kobject.h>
+#include <linux/device.h>
+#include <linux/module.h>
 #include <linux/ioctl.h>
 
 #ifdef CONFIG_DAHDI_NET	
@@ -54,6 +55,8 @@
 #include <linux/skbuff.h>
 #include <linux/interrupt.h>
 #endif
+#include <linux/device.h>
+#include <linux/sysfs.h>
 
 #include <linux/poll.h>
 
@@ -69,6 +72,16 @@
 #define DAHDI_IRQ_HANDLER(a) static irqreturn_t a(int irq, void *dev_id, struct pt_regs *regs)
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
+#ifdef CONFIG_PCI
+#include <linux/pci-aspm.h>
+#endif
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
+#define HAVE_NET_DEVICE_OPS
+#endif
+
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
 #define DAHDI_IRQ_SHARED IRQF_SHARED
 #define DAHDI_IRQ_DISABLED IRQF_DISABLED
@@ -86,16 +99,33 @@
 #endif
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
 #  ifdef RHEL_RELEASE_VERSION
 #    if RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(5, 6)
 #define dev_name(dev)		((dev)->bus_id)
+#define dev_set_name(dev, format, ...) \
+	snprintf((dev)->bus_id, BUS_ID_SIZE, format, ## __VA_ARGS__)
+#    else
+#define dev_set_name(dev, format, ...) \
+	do { \
+		kobject_set_name(&(dev)->kobj, format, ## __VA_ARGS__); \
+		snprintf((dev)->bus_id, BUS_ID_SIZE, \
+			kobject_name(&(dev)->kobj));	\
+	} while (0)
 #    endif
 #  else
 #define dev_name(dev)		((dev)->bus_id)
-#  endif
 #define dev_set_name(dev, format, ...) \
-	snprintf((dev)->bus_id, BUS_ID_SIZE, format, ## __VA_ARGS__);
+	snprintf((dev)->bus_id, BUS_ID_SIZE, format, ## __VA_ARGS__)
+#  endif
+#endif
+
+/* __dev* were removed in 3.8. They still have effect in 2.6.18. */
+#ifndef __devinit
+#  define __devinit
+#  define __devinitdata
+#  define __devexit
+#  define __devexit_p(x) x
 #endif
 
 /*! Default chunk size for conferences and such -- static right now, might make
@@ -881,6 +911,38 @@ struct dahdi_span_ops {
 
 	/*! Opt: Provide the name of the echo canceller on a channel */
 	const char *(*echocan_name)(const struct dahdi_chan *chan);
+
+	/*! When using "pinned_spans", this function is called back when this
+	 * span has been assigned with the system. */
+	void (*assigned)(struct dahdi_span *span);
+
+	/*! Called when the spantype / linemode is changed before the span is
+	 * assigned a number. */
+	int (*set_spantype)(struct dahdi_span *span, const char *spantype);
+};
+
+/**
+ * dahdi_device - Represents a device that can contain one or more spans.
+ *
+ * @spans:        List of child spans.
+ * @manufacturer: Device manufacturer.
+ * @location:     The location of this device. This should not change if
+ *                the device is replaced (e.g: in the same PCI slot)
+ * @hardware_id:  The hardware_id of this device (NULL for devices without
+ *                a hardware_id). This should not change if the device is
+ *                relocated to a different location (e.g: different PCI slot)
+ * @devicetype:   What type of device this is.
+ * @irqmisses:    Count of "interrupt misses" for this device.
+ *
+ */
+struct dahdi_device {
+	struct list_head spans;
+	const char *manufacturer;
+	const char *location;
+	const char *hardware_id;
+	const char *devicetype;
+	struct device dev;
+	unsigned int irqmisses;
 };
 
 struct dahdi_span {
@@ -888,14 +950,10 @@ struct dahdi_span {
 	char name[40];			/*!< Span name */
 	char desc[80];			/*!< Span description */
 	const char *spantype;		/*!< span type in text form */
-	const char *manufacturer;	/*!< span's device manufacturer */
-	char devicetype[80];		/*!< span's device type */
-	char location[40];		/*!< span device's location in system */
 	int deflaw;			/*!< Default law (DAHDI_MULAW or DAHDI_ALAW) */
 	int alarms;			/*!< Pending alarms on span */
 	unsigned long flags;
 	u8 cannot_provide_timing:1;
-	int irq;			/*!< IRQ for this span's hardware */
 	int lbo;			/*!< Span Line-Buildout */
 	int lineconfig;			/*!< Span line configuration */
 	int linecompat;			/*!< Span line compatibility (0 for
@@ -909,7 +967,6 @@ struct dahdi_span {
 	int maintstat;			/*!< Maintenance state */
 	int mainttimer;			/*!< Maintenance timer */
 
-	int irqmisses;			/*!< Interrupt misses */
 	int timingslips;		/*!< Clock slips */
 
 	struct dahdi_chan **chans;	/*!< Member channel structures */
@@ -929,7 +986,11 @@ struct dahdi_span {
 #ifdef CONFIG_PROC_FS
 	struct proc_dir_entry *proc_entry;
 #endif
-	struct list_head node;
+	struct list_head spans_node;
+
+	struct dahdi_device *parent;
+	struct list_head device_node;
+	struct device *span_device;
 };
 
 struct dahdi_transcoder_channel {
@@ -946,6 +1007,8 @@ struct dahdi_transcoder_channel {
 	u32 srcfmt;
 };
 
+int dahdi_is_sync_master(const struct dahdi_span *span);
+
 static inline int 
 dahdi_tc_is_built(struct dahdi_transcoder_channel *dtc) {
 	return test_bit(DAHDI_TC_FLAG_CHAN_BUILT, &dtc->flags);
@@ -1027,6 +1090,7 @@ struct dahdi_dynamic {
 	long rxjif;
 	unsigned short txcnt;
 	unsigned short rxcnt;
+	struct dahdi_device *ddev;
 	struct dahdi_span span;
 	struct dahdi_chan *chans[256];
 	struct dahdi_dynamic_driver *driver;
@@ -1034,6 +1098,7 @@ struct dahdi_dynamic {
 	int timing;
 	int master;
 	unsigned char *msgbuf;
+	struct device *dev;
 
 	struct list_head list;
 };
@@ -1059,6 +1124,9 @@ struct dahdi_dynamic_driver {
 
 	struct list_head list;
 	struct module *owner;
+
+	/*! Numberic id of next device created by this driver. */
+	unsigned int id;
 };
 
 /*! \brief Receive a dynamic span message */
@@ -1097,6 +1165,22 @@ static inline int dahdi_transmit(struct dahdi_span *span)
 	return ret;
 }
 
+static inline int dahdi_is_digital_span(const struct dahdi_span *s)
+{
+	return (s->linecompat > 0);
+}
+
+static inline int dahdi_is_t1_span(const struct dahdi_span *s)
+{
+	return (s->linecompat & (DAHDI_CONFIG_D4 | DAHDI_CONFIG_ESF |
+				 DAHDI_CONFIG_B8ZS)) > 0;
+}
+
+static inline int dahdi_is_e1_span(const struct dahdi_span *s)
+{
+	return dahdi_is_digital_span(s) && !dahdi_is_t1_span(s);
+}
+
 /*! Abort the buffer currently being receive with event "event" */
 void dahdi_hdlc_abort(struct dahdi_chan *ss, int event);
 
@@ -1111,10 +1195,12 @@ void dahdi_hdlc_putbuf(struct dahdi_chan *ss, unsigned char *rxb, int bytes);
  * and 1 if the currently transmitted message is now done */
 int dahdi_hdlc_getbuf(struct dahdi_chan *ss, unsigned char *bufptr, unsigned int *size);
 
-
-/*! Register a span.  Returns 0 on success, -1 on failure.  Pref-master is non-zero if
-   we should have preference in being the master device */
-int dahdi_register(struct dahdi_span *span, int prefmaster);
+/*! Register a device.  Returns 0 on success, -1 on failure. */
+struct dahdi_device *dahdi_create_device(void);
+int dahdi_register_device(struct dahdi_device *ddev, struct device *parent);
+void dahdi_unregister_device(struct dahdi_device *ddev);
+void dahdi_free_device(struct dahdi_device *ddev);
+void dahdi_init_span(struct dahdi_span *span);
 
 /*! Allocate / free memory for a transcoder */
 struct dahdi_transcoder *dahdi_transcoder_alloc(int numchans);
@@ -1129,9 +1215,6 @@ int dahdi_transcoder_unregister(struct dahdi_transcoder *tc);
 /*! \brief Alert a transcoder */
 int dahdi_transcoder_alert(struct dahdi_transcoder_channel *ztc);
 
-/*! \brief Unregister a span */
-int dahdi_unregister(struct dahdi_span *span);
-
 /*! \brief Gives a name to an LBO */
 const char *dahdi_lboname(int lbo);
 
@@ -1205,8 +1288,13 @@ extern u_char __dahdi_lin2mu[16384];
 extern u_char __dahdi_lin2a[16384];
 #endif
 
+struct dahdi_dynamic_ops {
+	struct module *owner;
+	int (*ioctl)(unsigned int cmd, unsigned long data);
+};
+
 /*! \brief Used by dynamic DAHDI -- don't use directly */
-void dahdi_set_dynamic_ioctl(int (*func)(unsigned int cmd, unsigned long data));
+void dahdi_set_dynamic_ops(const struct dahdi_dynamic_ops *ops);
 
 /*! \brief Used by DAHDI HPEC module -- don't use directly */
 void dahdi_set_hpec_ioctl(int (*func)(unsigned int cmd, unsigned long data));
@@ -1325,6 +1413,16 @@ static inline short dahdi_txtone_nextsample(struct dahdi_chan *ss)
 #define fatal_signal_pending(p) \
 	(signal_pending((p)) && sigismember(&(p)->pending.signal, SIGKILL))
 
+#ifdef CONFIG_PCI
+#ifndef PCIE_LINK_STATE_L0S
+#define PCIE_LINK_STATE_L0S	1
+#define PCIE_LINK_STATE_L1	2
+#define PCIE_LINK_STATE_CLKPM	4
+#endif
+#define pci_disable_link_state dahdi_pci_disable_link_state
+void dahdi_pci_disable_link_state(struct pci_dev *pdev, int state);
+#endif /* CONFIG_PCI */
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
 
 #ifndef __packed                                                                                         
@@ -1352,46 +1450,15 @@ static inline int strcasecmp(const char *s1, const char *s2)
 	return c1 - c2;
 }
 #endif /* clamp_val */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
-static inline void list_replace(struct list_head *old, struct list_head *new)
-{
-        new->next = old->next;
-        new->next->prev = new;
-        new->prev = old->prev;
-        new->prev->next = new;
-}
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 14)
-#define kzalloc(a, b) kcalloc(1, a, b)
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 12)
-#define synchronize_rcu() synchronize_kernel()
-#define kasprintf dahdi_kasprintf
-char *dahdi_kasprintf(gfp_t gfp, const char *fmt, ...);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 11)
-#if !defined(HAVE_WAIT_FOR_COMPLETION_TIMEOUT)
-static inline unsigned long
-wait_for_completion_interruptible_timeout(struct completion *x,
-					  unsigned long timeout)
-{
-	/* There is a race condition here.  If x->done is reset to 0
-	 * before the call to wait_for_completion after this thread wakes.
-	 */
-	timeout = wait_event_interruptible_timeout(x->wait, x->done, timeout);
-	if (timeout)
-		wait_for_completion(x);
-
-	return timeout;
-}
-#endif
-typedef u32 __bitwise pm_message_t;
-#endif /* 2.6.11 */
-#endif /* 2.6.12 */
-#endif /* 2.6.14 */
-#endif /* 2.6.18 */
 #endif /* 2.6.22 */
 #endif /* 2.6.25 */
 #endif /* 2.6.26 */
 #endif /* 2.6.31 */
 
+#ifndef CONFIG_TRACING
+#define trace_printk printk
+#endif
+
 #ifndef DEFINE_SPINLOCK
 #define DEFINE_SPINLOCK(x)      spinlock_t x = SPIN_LOCK_UNLOCKED
 #endif
@@ -1457,6 +1524,26 @@ struct mutex {
 #define	chan_err(chan, fmt, ...)	chan_printk(ERR, "", chan, fmt, \
 						## __VA_ARGS__)
 
+#ifndef pr_err
+#define pr_err(fmt, ...) \
+	printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
+#endif
+#ifndef pr_warning
+#define pr_warning(fmt, ...) \
+	printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#endif
+#ifndef pr_warn
+#define pr_warn pr_warning
+#endif
+#ifndef pr_notice
+#define pr_notice(fmt, ...) \
+	printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
+#endif
+#ifndef pr_info
+#define pr_info(fmt, ...) \
+	printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
+#endif
+
 /* The dbg_* ones use a magical variable 'debug' and the user should be
  * aware of that.
 */
@@ -1468,6 +1555,7 @@ struct mutex {
  * be of the form DAHDI_DBG_*
  */
 #define	DAHDI_DBG_GENERAL	BIT(0)
+#define	DAHDI_DBG_ASSIGN	BIT(1)
 #define	DAHDI_DBG_DEVICES	BIT(7)	/* instantiation/destruction etc. */
 #define	dahdi_dbg(bits, fmt, ...)	\
 	((void)((debug & (DAHDI_DBG_ ## bits)) && DAHDI_PRINTK(DEBUG, \
@@ -1480,6 +1568,10 @@ struct mutex {
 			((void)((debug & (DAHDI_DBG_ ## bits)) && \
 				chan_printk(DEBUG, "-" #bits, chan, \
 					"%s: " fmt, __func__, ## __VA_ARGS__)))
+#define dahdi_dev_dbg(bits, dev, fmt, ...)         \
+			((void)((debug & (DAHDI_DBG_ ## bits)) && \
+			dev_printk(KERN_DEBUG, dev, \
+			"DBG-%s(%s): " fmt, #bits, __func__, ## __VA_ARGS__)))
 #endif /* DAHDI_PRINK_MACROS_USE_debug */
 
 #endif /* _DAHDI_KERNEL_H */