* adds a rewrite of the tapi drivers + sip app. this is the result of lars' gsoc 2010 project, Thanks !

SVN-Revision: 23840

package/libtapi/Makefile

@@ -0,0 +1,43 @@
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=libtapi
+PKG_RELEASE:=1
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+define Package/libtapi
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=libtapi
+  DEPENDS:=@TARGET_ifxmips_danube
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+	CFLAGS="$(TARGT_CPPFLAGS) $(TARGET_CFLAGS)" \
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		$(TARGET_CONFIGURE_OPTS)
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/{include,lib}
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/*.h $(1)/usr/include/
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/*.so $(1)/usr/lib/
+endef
+
+define Package/libtapi/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/libtapi.so* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,libtapi))

package/libtapi/src/Makefile

@@ -0,0 +1,27 @@
+ifndef CFLAGS
+CFLAGS = -O2 -g -I ../src
+endif
+
+FPIC=-fPIC
+
+all: libtapi.so
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c -o $@ $^ $(FPIC)
+
+TAPI_OBJS = \
+	timer_fd.o \
+	events.o \
+	tapi-port.o \
+	tapi-device.o \
+	tapi-session.o \
+	tapi-stream.o
+
+tapidemo: tapidemo.o libtapi.so
+	$(CC) $(LDFLAGS) -o $@ $^
+
+libtapi.so: $(TAPI_OBJS)
+	$(CC) $(LDFLAGS) -shared -o $@ $^ $(FPIC)
+
+clean:
+	rm -rf *.o *.so

package/libtapi/src/dialdetector.c

@@ -0,0 +1,109 @@
+#include <linux/input.h>
+#include <sys/epoll.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "events.h"
+#include "timerfd.h"
+
+#include "tapi-port.h"
+#include "dialdetector.h"
+
+static const struct itimerspec dialdetector_timeout = {
+	.it_value.tv_sec = 3,
+};
+
+static void dialdetector_note_digit(struct dialdetector *d, unsigned char digit)
+{
+	printf("note digit: %d\n", d->num_digits);
+	d->digits[d->num_digits] = digit;
+	++d->num_digits;
+}
+
+static void dialdetector_reset(struct dialdetector *d)
+{
+	event_unregister(d->timer_fd);
+	d->num_digits = 0;
+	d->state = DIALDETECTOR_IDLE;
+}
+
+static bool dialdetector_timeout_event(int events, void *data)
+{
+	char num[20];
+	struct dialdetector *dialdetector = data;
+	int i;
+
+	for (i = 0; i < dialdetector->num_digits; ++i) {
+		num[i] = '0' + dialdetector->digits[i];
+	}
+	num[i] = '\0';
+
+	printf("Dialing: %s\n", num);
+	dialdetector->dial_callback(dialdetector->port, dialdetector->num_digits,
+	dialdetector->digits);
+
+	dialdetector_reset(dialdetector);
+
+	return false;
+}
+
+static void dialdetector_port_event(struct tapi_port *port,
+	struct tapi_event *event, void *data)
+{
+	struct dialdetector *d = data;
+
+	printf("port event: %d %d\n", d->state, event->hook.on);
+
+	switch (d->state) {
+	case DIALDETECTOR_IDLE:
+		if (event->type == TAPI_EVENT_TYPE_HOOK && event->hook.on == false) {
+			d->state = DIALDETECTOR_WAIT_FOR_NUMBER;
+			event_register(d->timer_fd, EPOLLIN, &d->timeout_cb);
+			timerfd_settime(d->timer_fd, 0, &dialdetector_timeout, NULL);
+		}
+		break;
+	case DIALDETECTOR_WAIT_FOR_NUMBER:
+	case DIALDETECTOR_WAIT_FOR_NUMBER_TIMEOUT:
+		switch (event->type) {
+		case TAPI_EVENT_TYPE_HOOK:
+			if (event->hook.on == true)
+				dialdetector_reset(d);
+			break;
+		case TAPI_EVENT_TYPE_DTMF:
+			if (d->state == DIALDETECTOR_WAIT_FOR_NUMBER)
+				event_register(d->timer_fd, EPOLLIN, &d->timeout_cb);
+			timerfd_settime(d->timer_fd, 0, &dialdetector_timeout, NULL);
+			d->state = DIALDETECTOR_WAIT_FOR_NUMBER_TIMEOUT;
+			dialdetector_note_digit(d, event->dtmf.code);
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+struct dialdetector *dialdetector_alloc(struct tapi_port *port)
+{
+	struct dialdetector *dialdetector;
+	dialdetector = malloc(sizeof(*dialdetector));
+
+	dialdetector->timer_fd = timerfd_create(CLOCK_MONOTONIC, 0);
+	dialdetector->port = port;
+	dialdetector->num_digits = 0;
+	dialdetector->state = DIALDETECTOR_IDLE;
+
+	dialdetector->timeout_cb.callback = dialdetector_timeout_event;
+	dialdetector->timeout_cb.data = dialdetector;
+
+	dialdetector->port_listener.callback = dialdetector_port_event;
+	dialdetector->port_listener.data = dialdetector;
+
+	tapi_port_register_event(port, &dialdetector->port_listener);
+
+
+	return dialdetector;
+}

package/libtapi/src/dialdetector.h

@@ -0,0 +1,109 @@
+#include <linux/input.h>
+#include <sys/epoll.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "events.h"
+#include "timerfd.h"
+
+#include "tapi-port.h"
+#include "dialdetector.h"
+
+static const struct itimerspec dialdetector_timeout = {
+	.it_value.tv_sec = 3,
+};
+
+static void dialdetector_note_digit(struct dialdetector *d, unsigned char digit)
+{
+	printf("note digit: %d\n", d->num_digits);
+	d->digits[d->num_digits] = digit;
+	++d->num_digits;
+}
+
+static void dialdetector_reset(struct dialdetector *d)
+{
+	event_unregister(d->timer_fd);
+	d->num_digits = 0;
+	d->state = DIALDETECTOR_IDLE;
+}
+
+static bool dialdetector_timeout_event(int events, void *data)
+{
+	char num[20];
+	struct dialdetector *dialdetector = data;
+	int i;
+
+	for (i = 0; i < dialdetector->num_digits; ++i) {
+		num[i] = '0' + dialdetector->digits[i];
+	}
+	num[i] = '\0';
+
+	printf("Dialing: %s\n", num);
+	dialdetector->dial_callback(dialdetector->port, dialdetector->num_digits,
+	dialdetector->digits);
+
+	dialdetector_reset(dialdetector);
+
+	return false;
+}
+
+static void dialdetector_port_event(struct tapi_port *port,
+	struct tapi_event *event, void *data)
+{
+	struct dialdetector *d = data;
+
+	printf("port event: %d %d\n", d->state, event->hook.on);
+
+	switch (d->state) {
+	case DIALDETECTOR_IDLE:
+		if (event->type == TAPI_EVENT_TYPE_HOOK && event->hook.on == false) {
+			d->state = DIALDETECTOR_WAIT_FOR_NUMBER;
+			event_register(d->timer_fd, EPOLLIN, &d->timeout_cb);
+			timerfd_settime(d->timer_fd, 0, &dialdetector_timeout, NULL);
+		}
+		break;
+	case DIALDETECTOR_WAIT_FOR_NUMBER:
+	case DIALDETECTOR_WAIT_FOR_NUMBER_TIMEOUT:
+		switch (event->type) {
+		case TAPI_EVENT_TYPE_HOOK:
+			if (event->hook.on == true)
+				dialdetector_reset(d);
+			break;
+		case TAPI_EVENT_TYPE_DTMF:
+			if (d->state == DIALDETECTOR_WAIT_FOR_NUMBER)
+				event_register(d->timer_fd, EPOLLIN, &d->timeout_cb);
+			timerfd_settime(d->timer_fd, 0, &dialdetector_timeout, NULL);
+			d->state = DIALDETECTOR_WAIT_FOR_NUMBER_TIMEOUT;
+			dialdetector_note_digit(d, event->dtmf.code);
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+struct dialdetector *dialdetector_alloc(struct tapi_port *port)
+{
+	struct dialdetector *dialdetector;
+	dialdetector = malloc(sizeof(*dialdetector));
+
+	dialdetector->timer_fd = timerfd_create(CLOCK_MONOTONIC, 0);
+	dialdetector->port = port;
+	dialdetector->num_digits = 0;
+	dialdetector->state = DIALDETECTOR_IDLE;
+
+	dialdetector->timeout_cb.callback = dialdetector_timeout_event;
+	dialdetector->timeout_cb.data = dialdetector;
+
+	dialdetector->port_listener.callback = dialdetector_port_event;
+	dialdetector->port_listener.data = dialdetector;
+
+	tapi_port_register_event(port, &dialdetector->port_listener);
+
+
+	return dialdetector;
+}

package/libtapi/src/events.c

@@ -0,0 +1,58 @@
+#include <stdbool.h>
+#include <sys/epoll.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <stdio.h>
+
+#include "events.h"
+
+struct event_callback *event_callbacks;
+
+static int event_epoll_fd = -1;
+
+int event_register(int fd, int events, struct event_callback *cb)
+{
+	struct epoll_event ev;
+
+	if (event_epoll_fd == -1)
+		event_epoll_fd = epoll_create(1);
+
+	ev.events = events;
+	ev.data.ptr = cb;
+
+	cb->fd = fd;
+
+	return epoll_ctl(event_epoll_fd, EPOLL_CTL_ADD, fd, &ev);
+}
+
+int	event_unregister(int fd)
+{
+	return epoll_ctl(event_epoll_fd, EPOLL_CTL_DEL, fd, NULL);
+}
+
+int tapi_mainloop(void)
+{
+	struct epoll_event ev[10];
+	struct event_callback *cb;
+	int ret;
+	bool keep;
+	int i;
+
+	if (event_epoll_fd == -1)
+		event_epoll_fd = epoll_create(1);
+
+	while(true) {
+		ret = epoll_wait(event_epoll_fd, ev, 10, -1);
+		for(i = 0; i < ret; ++i) {
+			cb = ev[i].data.ptr;
+			keep = cb->callback(ev[i].events, cb->data);
+			if (!keep)
+				event_unregister(cb->fd);
+		}
+		if (ret < 0)
+			printf("epoll: %d\n", errno);
+	}
+
+	return 0;
+}

package/libtapi/src/events.h

@@ -0,0 +1,18 @@
+#ifndef __EVENTS_H__
+#define __EVENTS_H__
+
+struct event_callback {
+	bool (*callback)(int events, void *data);
+	void *data;
+	int fd;
+};
+
+int event_register(int fd, int events,
+	struct event_callback *callback);
+
+int event_unregister(int fd);
+
+
+int tapi_mainloop(void);
+
+#endif

package/libtapi/src/list.h

@@ -0,0 +1,601 @@
+#ifndef _LINUX_LIST_H
+#define _LINUX_LIST_H
+
+#include <stddef.h>
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr:	the pointer to the member.
+ * @type:	the type of the container struct this is embedded in.
+ * @member:	the name of the member within the struct.
+ *
+ */
+#ifndef container_of
+#define container_of(ptr, type, member) (			\
+	(type *)( (char *)ptr - offsetof(type,member) ))
+#endif
+
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+struct list_head {
+	struct list_head *next, *prev;
+};
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+	struct list_head name = LIST_HEAD_INIT(name)
+
+static inline void INIT_LIST_HEAD(struct list_head *list)
+{
+	list->next = list;
+	list->prev = list;
+}
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_add(struct list_head *new,
+			      struct list_head *prev,
+			      struct list_head *next)
+{
+	next->prev = new;
+	new->next = next;
+	new->prev = prev;
+	prev->next = new;
+}
+
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+	__list_add(new, head, head->next);
+}
+
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
+{
+	__list_add(new, head->prev, head);
+}
+
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_del(struct list_head * prev, struct list_head * next)
+{
+	next->prev = prev;
+	prev->next = next;
+}
+
+/**
+ * list_del - deletes entry from list.
+ * @entry: the element to delete from the list.
+ * Note: list_empty() on entry does not return true after this, the entry is
+ * in an undefined state.
+ */
+static inline void list_del(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+	entry->next = NULL;
+	entry->prev = NULL;
+}
+
+/**
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+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;
+}
+
+static inline void list_replace_init(struct list_head *old,
+					struct list_head *new)
+{
+	list_replace(old, new);
+	INIT_LIST_HEAD(old);
+}
+
+/**
+ * list_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.
+ */
+static inline void list_del_init(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+	INIT_LIST_HEAD(entry);
+}
+
+/**
+ * list_move - delete from one list and add as another's head
+ * @list: the entry to move
+ * @head: the head that will precede our entry
+ */
+static inline void list_move(struct list_head *list, struct list_head *head)
+{
+	__list_del(list->prev, list->next);
+	list_add(list, head);
+}
+
+/**
+ * list_move_tail - delete from one list and add as another's tail
+ * @list: the entry to move
+ * @head: the head that will follow our entry
+ */
+static inline void list_move_tail(struct list_head *list,
+				  struct list_head *head)
+{
+	__list_del(list->prev, list->next);
+	list_add_tail(list, head);
+}
+
+/**
+ * list_is_last - tests whether @list is the last entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_last(const struct list_head *list,
+				const struct list_head *head)
+{
+	return list->next == head;
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+	return head->next == head;
+}
+
+/**
+ * list_empty_careful - tests whether a list is empty and not being modified
+ * @head: the list to test
+ *
+ * Description:
+ * tests whether a list is empty _and_ checks that no other CPU might be
+ * in the process of modifying either member (next or prev)
+ *
+ * NOTE: using list_empty_careful() without synchronization
+ * can only be safe if the only activity that can happen
+ * to the list entry is list_del_init(). Eg. it cannot be used
+ * if another CPU could re-list_add() it.
+ */
+static inline int list_empty_careful(const struct list_head *head)
+{
+	struct list_head *next = head->next;
+	return (next == head) && (next == head->prev);
+}
+
+static inline void __list_splice(struct list_head *list,
+				 struct list_head *head)
+{
+	struct list_head *first = list->next;
+	struct list_head *last = list->prev;
+	struct list_head *at = head->next;
+
+	first->prev = head;
+	head->next = first;
+
+	last->next = at;
+	at->prev = last;
+}
+
+/**
+ * list_splice - join two lists
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static inline void list_splice(struct list_head *list, struct list_head *head)
+{
+	if (!list_empty(list))
+		__list_splice(list, head);
+}
+
+/**
+ * list_splice_init - join two lists and reinitialise the emptied list.
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ *
+ * The list at @list is reinitialised
+ */
+static inline void list_splice_init(struct list_head *list,
+				    struct list_head *head)
+{
+	if (!list_empty(list)) {
+		__list_splice(list, head);
+		INIT_LIST_HEAD(list);
+	}
+}
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr:	the &struct list_head pointer.
+ * @type:	the type of the struct this is embedded in.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+	container_of(ptr, type, member)
+
+/**
+ * list_first_entry - get the first element from a list
+ * @ptr:	the list head to take the element from.
+ * @type:	the type of the struct this is embedded in.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_first_entry(ptr, type, member) \
+	list_entry((ptr)->next, type, member)
+
+/**
+ * list_for_each	-	iterate over a list
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @head:	the head for your list.
+ */
+#define list_for_each(pos, head) \
+	for (pos = (head)->next; pos != (head); \
+        	pos = pos->next)
+
+/**
+ * __list_for_each	-	iterate over a list
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @head:	the head for your list.
+ *
+ * This variant differs from list_for_each() in that it's the
+ * simplest possible list iteration code, no prefetching is done.
+ * Use this for code that knows the list to be very short (empty
+ * or 1 entry) most of the time.
+ */
+#define __list_for_each(pos, head) \
+	for (pos = (head)->next; pos != (head); pos = pos->next)
+
+/**
+ * list_for_each_prev	-	iterate over a list backwards
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @head:	the head for your list.
+ */
+#define list_for_each_prev(pos, head) \
+	for (pos = (head)->prev; pos != (head); \
+        	pos = pos->prev)
+
+/**
+ * list_for_each_safe - iterate over a list safe against removal of list entry
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @n:		another &struct list_head to use as temporary storage
+ * @head:	the head for your list.
+ */
+#define list_for_each_safe(pos, n, head) \
+	for (pos = (head)->next, n = pos->next; pos != (head); \
+		pos = n, n = pos->next)
+
+/**
+ * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @n:		another &struct list_head to use as temporary storage
+ * @head:	the head for your list.
+ */
+#define list_for_each_prev_safe(pos, n, head) \
+	for (pos = (head)->prev, n = pos->prev; \
+	     pos != (head); \
+	     pos = n, n = pos->prev)
+
+/**
+ * list_for_each_entry	-	iterate over list of given type
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member)				\
+	for (pos = list_entry((head)->next, typeof(*pos), member);	\
+	     &pos->member != (head); 	\
+	     pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_reverse - iterate backwards over list of given type.
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_reverse(pos, head, member)			\
+	for (pos = list_entry((head)->prev, typeof(*pos), member);	\
+	     &pos->member != (head); 	\
+	     pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
+ * @pos:	the type * to use as a start point
+ * @head:	the head of the list
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
+ */
+#define list_prepare_entry(pos, head, member) \
+	((pos) ? : list_entry(head, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue - continue iteration over list of given type
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Continue to iterate over list of given type, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue(pos, head, member) 		\
+	for (pos = list_entry(pos->member.next, typeof(*pos), member);	\
+	     &pos->member != (head);	\
+	     pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue_reverse - iterate backwards from the given point
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Start to iterate over list of given type backwards, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue_reverse(pos, head, member)		\
+	for (pos = list_entry(pos->member.prev, typeof(*pos), member);	\
+	     &pos->member != (head);	\
+	     pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_from - iterate over list of given type from the current point
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing from current position.
+ */
+#define list_for_each_entry_from(pos, head, member) 			\
+	for (; &pos->member != (head);	\
+	     pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member)			\
+	for (pos = list_entry((head)->next, typeof(*pos), member),	\
+		n = list_entry(pos->member.next, typeof(*pos), member);	\
+	     &pos->member != (head); 					\
+	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_continue
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing after current point,
+ * safe against removal of list entry.
+ */
+#define list_for_each_entry_safe_continue(pos, n, head, member) 		\
+	for (pos = list_entry(pos->member.next, typeof(*pos), member), 		\
+		n = list_entry(pos->member.next, typeof(*pos), member);		\
+	     &pos->member != (head);						\
+	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_from
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type from current point, safe against
+ * removal of list entry.
+ */
+#define list_for_each_entry_safe_from(pos, n, head, member) 			\
+	for (n = list_entry(pos->member.next, typeof(*pos), member);		\
+	     &pos->member != (head);						\
+	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_reverse
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate backwards over list of given type, safe against removal
+ * of list entry.
+ */
+#define list_for_each_entry_safe_reverse(pos, n, head, member)		\
+	for (pos = list_entry((head)->prev, typeof(*pos), member),	\
+		n = list_entry(pos->member.prev, typeof(*pos), member);	\
+	     &pos->member != (head); 					\
+	     pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+
+/*
+ * Double linked lists with a single pointer list head.
+ * Mostly useful for hash tables where the two pointer list head is
+ * too wasteful.
+ * You lose the ability to access the tail in O(1).
+ */
+
+struct hlist_head {
+	struct hlist_node *first;
+};
+
+struct hlist_node {
+	struct hlist_node *next, **pprev;
+};
+
+#define HLIST_HEAD_INIT { .first = NULL }
+#define HLIST_HEAD(name) struct hlist_head name = {  .first = NULL }
+#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
+static inline void INIT_HLIST_NODE(struct hlist_node *h)
+{
+	h->next = NULL;
+	h->pprev = NULL;
+}
+
+static inline int hlist_unhashed(const struct hlist_node *h)
+{
+	return !h->pprev;
+}
+
+static inline int hlist_empty(const struct hlist_head *h)
+{
+	return !h->first;
+}
+
+static inline void __hlist_del(struct hlist_node *n)
+{
+	struct hlist_node *next = n->next;
+	struct hlist_node **pprev = n->pprev;
+	*pprev = next;
+	if (next)
+		next->pprev = pprev;
+}
+
+static inline void hlist_del(struct hlist_node *n)
+{
+	__hlist_del(n);
+	n->next = NULL;
+	n->pprev = NULL;
+}
+
+static inline void hlist_del_init(struct hlist_node *n)
+{
+	if (!hlist_unhashed(n)) {
+		__hlist_del(n);
+		INIT_HLIST_NODE(n);
+	}
+}
+
+
+static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
+{
+	struct hlist_node *first = h->first;
+	n->next = first;
+	if (first)
+		first->pprev = &n->next;
+	h->first = n;
+	n->pprev = &h->first;
+}
+
+
+/* next must be != NULL */
+static inline void hlist_add_before(struct hlist_node *n,
+					struct hlist_node *next)
+{
+	n->pprev = next->pprev;
+	n->next = next;
+	next->pprev = &n->next;
+	*(n->pprev) = n;
+}
+
+static inline void hlist_add_after(struct hlist_node *n,
+					struct hlist_node *next)
+{
+	next->next = n->next;
+	n->next = next;
+	next->pprev = &n->next;
+
+	if(next->next)
+		next->next->pprev  = &next->next;
+}
+
+#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
+
+#define hlist_for_each(pos, head) \
+	for (pos = (head)->first; pos; pos = pos->next)
+
+#define hlist_for_each_safe(pos, n, head) \
+	for (pos = (head)->first; pos; pos = n)
+
+/**
+ * hlist_for_each_entry	- iterate over list of given type
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry(tpos, pos, head, member)			 \
+	for (pos = (head)->first; pos &&				 \
+		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+	     pos = pos->next)
+
+/**
+ * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_continue(tpos, pos, member)		\
+	for (pos = (pos)->next; pos &&					\
+	     ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;});   \
+	     pos = pos->next)
+
+/**
+ * hlist_for_each_entry_from - iterate over a hlist continuing from current point
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_from(tpos, pos, member)			 \
+	for (; pos &&			 \
+		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+	     pos = pos->next)
+
+/**
+ * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @n:		another &struct hlist_node to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_safe(tpos, pos, n, head, member) 		 \
+	for (pos = (head)->first;					 \
+	     pos && ({ n = pos->next; 1; }) && 				 \
+		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+	     pos = n)
+
+#endif

package/libtapi/src/tapi-device.c

@@ -0,0 +1,46 @@
+#include <stdio.h>
+
+#include "tapi-device.h"
+#include "tapi-ioctl.h"
+
+int tapi_device_open(unsigned int id, struct tapi_device *dev)
+{
+	char path[100];
+
+	snprintf(path, sizeof(path), "/dev/tapi%dC", id);
+	dev->control_fd = open(path, 0);
+	if (dev->control_fd < 0)
+		return -1;
+
+	snprintf(dev->stream_path, 100, "/dev/tapi%dS", id);
+
+	dev->id = id;
+	dev->num_ports = 2;
+
+	return 0;
+}
+
+int tapi_link_alloc(struct tapi_device *dev, unsigned int ep1, unsigned int ep2)
+{
+	return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_ALLOC, (ep1 << 16) | ep2);
+}
+
+int tapi_link_free(struct tapi_device *dev, unsigned int link)
+{
+	return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_FREE, link);
+}
+
+int tapi_link_enable(struct tapi_device *dev, unsigned int link)
+{
+	return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_ENABLE, link);
+}
+
+int tapi_link_disable(struct tapi_device *dev, unsigned int link)
+{
+	return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_LINK_DISABLE, link);
+}
+
+int tapi_sync(struct tapi_device *dev)
+{
+	return ioctl(dev->control_fd, TAPI_CONTROL_IOCTL_SYNC, 0);
+}

package/libtapi/src/tapi-device.h

@@ -0,0 +1,25 @@
+#ifndef __TAPI_DEVICE_H__
+#define __TAPI_DEVICE_H__
+
+struct tapi_device {
+	int control_fd;
+	int stream_fd;
+	struct tapi_port *ports;
+	char stream_path[100];
+
+	unsigned int id;
+
+	unsigned int num_ports;
+};
+
+struct tapi_endpoint;
+
+int tapi_device_open(unsigned int id, struct tapi_device *dev);
+
+int tapi_link_alloc(struct tapi_device *dev, unsigned int ep1, unsigned int ep2);
+int tapi_link_free(struct tapi_device *dev, unsigned int link);
+int tapi_link_enable(struct tapi_device *dev, unsigned int link);
+int tapi_link_disable(struct tapi_device *dev, unsigned int link);
+int tapi_sync(struct tapi_device *dev);
+
+#endif

package/libtapi/src/tapi-ioctl.h

@@ -0,0 +1,20 @@
+
+#include <linux/ioctl.h>
+
+#define TAPI_MAGIC 't'
+#define TAPI_IOCTL(x) _IO(TAPI_MAGIC, (x))
+
+#define TAPI_CONTROL_IOCTL_LINK_ALLOC TAPI_IOCTL(0)
+#define TAPI_CONTROL_IOCTL_LINK_FREE  TAPI_IOCTL(1)
+#define TAPI_CONTROL_IOCTL_LINK_ENABLE TAPI_IOCTL(2)
+#define TAPI_CONTROL_IOCTL_LINK_DISABLE TAPI_IOCTL(3)
+
+#define TAPI_CONTROL_IOCTL_SYNC TAPI_IOCTL(4)
+
+#define TAPI_PORT_IOCTL_GET_ENDPOINT TAPI_IOCTL(5)
+#define TAPI_PORT_IOCTL_SET_RING TAPI_IOCTL(6)
+
+#define TAPI_STREAM_IOCTL_GET_ENDPOINT TAPI_IOCTL(7)
+#define TAPI_STREAM_IOCTL_CONFIGURE TAPI_IOCTL(8)
+#define TAPI_STREAM_IOCTL_START TAPI_IOCTL(9)
+#define TAPI_STREAM_IOCTL_STOP TAPI_IOCTL(10)

package/libtapi/src/tapi-port.c

@@ -0,0 +1,126 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+
+#include <linux/input.h>
+
+#include "tapi-ioctl.h"
+#include "tapi-device.h"
+#include "tapi-port.h"
+
+#include "events.h"
+#include "list.h"
+
+static void tapi_port_event_dispatch(struct tapi_port *port,
+	struct tapi_event *event)
+{
+	struct tapi_port_event_listener *l;
+
+	list_for_each_entry(l, &port->event_listeners, head) {
+		l->callback(port, event, l->data);
+	}
+}
+
+static bool tapi_port_input_event(int events, void *data)
+{
+	struct tapi_port *port = data;
+	struct input_event event;
+	struct tapi_event tapi_event;
+	int ret;
+
+	ret = read(port->input_fd, &event, sizeof(event));
+	if (ret < 0) {
+		fprintf(stderr, "Port %d failed to read from input device: %d\n",
+			port->id, errno);
+		return true;
+	}
+
+	if (!event.value)
+		return true;
+
+	switch (event.code) {
+	case KEY_NUMERIC_0 ... KEY_NUMERIC_9:
+		tapi_event.type = TAPI_EVENT_TYPE_DTMF;
+		tapi_event.dtmf.code = event.code - KEY_NUMERIC_0;
+		break;
+	case KEY_NUMERIC_POUND:
+		tapi_event.type = TAPI_EVENT_TYPE_DTMF;
+		tapi_event.dtmf.code = 10;
+		break;
+	case KEY_NUMERIC_STAR:
+		tapi_event.type = TAPI_EVENT_TYPE_DTMF;
+		tapi_event.dtmf.code = 11;
+		break;
+	case KEY_ESC:
+		tapi_event.type = TAPI_EVENT_TYPE_HOOK;
+		tapi_event.hook.on = true;
+		break;
+	case KEY_ENTER:
+		tapi_event.type = TAPI_EVENT_TYPE_HOOK;
+		tapi_event.hook.on = false;
+		break;
+	default:
+		return true;
+	}
+
+	if (tapi_event.type == TAPI_EVENT_TYPE_DTMF)
+		tapi_event.dtmf.time = event.time;
+
+	tapi_port_event_dispatch(port, &tapi_event);
+
+	return true;
+}
+
+int tapi_port_open(struct tapi_device *dev, unsigned int id, struct tapi_port *port)
+{
+	int ret;
+	char path[100];
+
+	port->id = id;
+
+	snprintf(path, 100, "/dev/tapi%uP%u", dev->id, id);
+	port->fd = open(path, 0);
+	if (port->fd < 0) {
+		printf("Failed to open %s: %d\n", path, errno);
+		return errno;
+	}
+
+	snprintf(path, 100, "/dev/event%u", id);
+	port->input_fd = open(path, O_RDONLY);
+	if (port->input_fd < 0) {
+		printf("Failed to open %s: %d\n", path, errno);
+		return errno;
+	}
+
+	port->ep = ioctl(port->fd, TAPI_PORT_IOCTL_GET_ENDPOINT, 0);
+
+	INIT_LIST_HEAD(&port->event_listeners);
+
+	port->input_cb.callback = tapi_port_input_event;
+	port->input_cb.data = port;
+
+	return event_register(port->input_fd, EPOLLIN,
+		&port->input_cb);
+}
+
+int tapi_port_set_ring(struct tapi_port *port, bool ring)
+{
+	return ioctl(port->fd, TAPI_PORT_IOCTL_SET_RING, ring);
+}
+
+int tapi_port_register_event(struct tapi_port *port,
+	struct tapi_port_event_listener *cb)
+{
+	list_add_tail(&cb->head, &port->event_listeners);
+	return 0;
+}
+
+void tapi_port_unregister_event(struct tapi_port *port,
+	struct tapi_port_event_listener *cb)
+{
+	list_del(&cb->head);
+}

package/libtapi/src/tapi-port.h

@@ -0,0 +1,66 @@
+#ifndef __TAPI_PORT_H__
+#define __TAPI_PORT_H__
+
+#include <sys/time.h>
+
+#include "list.h"
+#include "events.h"
+
+struct tapi_port;
+struct tapi_device;
+
+struct tapi_dtmf_event {
+	struct timeval time;
+	unsigned char code;
+};
+
+struct tapi_hook_event {
+	bool on;
+};
+
+enum tapi_event_type {
+	TAPI_EVENT_TYPE_DTMF,
+	TAPI_EVENT_TYPE_HOOK,
+};
+
+struct tapi_event {
+	enum tapi_event_type type;
+	union {
+		struct tapi_dtmf_event dtmf;
+		struct tapi_hook_event hook;
+	};
+};
+
+struct tapi_port_event_listener {
+	void (*callback)(struct tapi_port *, struct tapi_event *event, void *data);
+	void *data;
+
+	struct list_head head;
+};
+
+struct tapi_port {
+	int id;
+	int fd;
+	int input_fd;
+	unsigned int ep;
+
+	struct event_callback input_cb;
+
+	struct list_head event_listeners;
+};
+
+int tapi_port_open(struct tapi_device *dev, unsigned int id, struct tapi_port
+*port);
+int tapi_port_set_ring(struct tapi_port *port, bool ring);
+int tapi_port_register_event(struct tapi_port *port,
+	struct tapi_port_event_listener *cb);
+
+void tapi_port_unregister_event(struct tapi_port *port,
+	struct tapi_port_event_listener *cb);
+
+static inline int tapi_port_get_endpoint(struct tapi_port *port)
+{
+	return port->ep;
+}
+
+#endif

package/libtapi/src/tapi-session.c

@@ -0,0 +1,122 @@
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "tapi-device.h"
+#include "tapi-port.h"
+#include "tapi-session.h"
+
+enum tapi_session_port_state {
+	TAPI_SESSION_PORT_STATE_IDLE,
+	TAPI_SESSION_PORT_STATE_RINGING,
+	TAPI_SESSION_PORT_STATE_ACTIVE,
+};
+
+struct tapi_session_port {
+	struct tapi_port *port;
+	struct tapi_port_event_listener event_listener;
+
+	enum tapi_session_port_state state;
+};
+
+struct tapi_session {
+	struct tapi_device *dev;
+	struct tapi_session_port caller;
+	struct tapi_session_port callee;
+
+	bool active;
+	unsigned int link;
+
+	void (*release)(struct tapi_session *session, void *data);
+};
+
+static void tapi_session_terminate(struct tapi_session *session)
+{
+	if (session->active) {
+		tapi_link_enable(session->dev, session->link);
+		tapi_sync(session->dev);
+		tapi_link_free(session->dev, session->link);
+	}
+
+	switch (session->callee.state) {
+	case TAPI_SESSION_PORT_STATE_RINGING:
+		tapi_port_set_ring(session->callee.port, false);
+		break;
+	default:
+		break;
+	}
+
+	session->active = false;
+}
+
+static void tapi_session_caller_event(struct tapi_port *port,
+	struct tapi_event *event, void *data)
+{
+	struct tapi_session *session = data;
+
+	if (event->type != TAPI_EVENT_TYPE_HOOK)
+		return;
+
+	if (event->hook.on) {
+		tapi_session_terminate(session);
+	}
+}
+
+static void tapi_session_callee_event(struct tapi_port *port,
+	struct tapi_event *event, void *data)
+{
+	struct tapi_session *session = data;
+
+	if (event->type != TAPI_EVENT_TYPE_HOOK)
+		return;
+
+	if (event->hook.on) {
+		if (session->callee.state == TAPI_SESSION_PORT_STATE_ACTIVE) {
+			tapi_session_terminate(session);
+		}
+	} else  {
+		if (session->callee.state == TAPI_SESSION_PORT_STATE_RINGING) {
+			tapi_port_set_ring(session->callee.port, false);
+			session->link = tapi_link_alloc(session->dev,
+				session->caller.port->ep, session->callee.port->ep);
+			session->callee.state = TAPI_SESSION_PORT_STATE_ACTIVE;
+			tapi_link_enable(session->dev, session->link);
+			tapi_sync(session->dev);
+			session->active = true;
+		}
+	}
+}
+
+struct tapi_session *tapi_session_alloc(struct tapi_device *dev,
+	struct tapi_port *caller, struct tapi_port *callee,
+	void (*release)(struct tapi_session *session, void *data), void *release_data)
+{
+	struct tapi_session *session;
+	struct tapi_session_port *session_port;
+
+	session = malloc(sizeof(*session));
+
+	session->dev = dev;
+
+	session->callee.port = callee;
+	session->callee.state = TAPI_SESSION_PORT_STATE_RINGING;
+	session->callee.event_listener.callback = tapi_session_callee_event;
+	session->callee.event_listener.data = session;
+	tapi_port_register_event(callee, &session->callee.event_listener);
+
+	session->caller.port = caller;
+	session->caller.state = TAPI_SESSION_PORT_STATE_ACTIVE;
+	session->caller.event_listener.callback = tapi_session_caller_event;
+	session->caller.event_listener.data = session;
+	tapi_port_register_event(caller, &session->caller.event_listener);
+
+	tapi_port_set_ring(callee, true);
+}
+
+void tapi_session_free(struct tapi_session *session)
+{
+	tapi_session_terminate(session);
+	tapi_port_register_event(session->callee.port, &session->callee.event_listener);
+	tapi_port_register_event(session->caller.port, &session->caller.event_listener);
+	free(session);
+}

package/libtapi/src/tapi-session.h

@@ -0,0 +1,14 @@
+#ifndef __TAPI_SESSION_H__
+#define __TAPI_SESSION_H__
+
+struct tapi_device;
+struct tapi_port;
+struct tapi_session;
+
+struct tapi_session *tapi_session_alloc(struct tapi_device *dev,
+	struct tapi_port *caller, struct tapi_port *callee,
+	void (*release)(struct tapi_session *session, void *data), void	*release_data);
+
+void tapi_session_free(struct tapi_session *session);
+
+#endif

package/libtapi/src/tapi-stream.c

@@ -0,0 +1,42 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "tapi-device.h"
+#include "tapi-stream.h"
+#include "tapi-ioctl.h"
+
+struct tapi_stream *tapi_stream_alloc(struct tapi_device *dev)
+{
+	struct tapi_stream *stream;
+
+	stream = malloc(sizeof(*stream));
+	if (!stream)
+		return NULL;
+
+	stream->fd = open(dev->stream_path, O_RDWR);
+
+	if (stream->fd < 0) {
+		free(stream);
+		return NULL;
+	}
+
+	stream->ep = ioctl(stream->fd, TAPI_STREAM_IOCTL_GET_ENDPOINT, 0);
+
+	if (stream->ep < 0) {
+		close(stream->fd);
+		free(stream);
+		return NULL;
+	}
+
+	return stream;
+}
+
+void tapi_stream_free(struct tapi_stream *stream)
+{
+	close(stream->fd);
+	free(stream);
+}

package/libtapi/src/tapi-stream.h

@@ -0,0 +1,19 @@
+#ifndef __TAPI_STREAM_H__
+#define __TAPI_STREAM_H__
+
+struct tapi_device;
+
+struct tapi_stream {
+	int fd;
+	int ep;
+};
+
+struct tapi_stream *tapi_stream_alloc(struct tapi_device *);
+void tapi_stream_free(struct tapi_stream *);
+
+static inline int tapi_stream_get_endpoint(struct tapi_stream *stream)
+{
+	return stream->ep;
+}
+
+#endif

package/libtapi/src/tapidemo.c

@@ -0,0 +1,56 @@
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <poll.h>
+
+#include <linux/input.h>
+/*#include <sys/timerfd.h>*/
+#include "timerfd.h"
+#include "dialdetector.h"
+
+#include "tapi-ioctl.h"
+
+#include "tapi-device.h"
+#include "tapi-port.h"
+
+static struct tapi_device dev;
+static struct tapi_port ports[2];
+
+void dial_callback(struct tapi_port *port, size_t num_digits, const unsigned char *digits)
+{
+	unsigned int link;
+
+	if (num_digits != 1)
+		return;
+	if (port->id == digits[0] || digits[0] > 1)
+		return;
+
+	tapi_port_set_ring(&ports[digits[0]], true);
+
+	tapi_session_alloc(&dev, port, &ports[digits[0]]);
+}
+
+int main(int argc, char *argv[])
+{
+	struct dialdetector *dd, *dd2;
+	unsigned int link;
+	unsigned char buf[1024];
+	int ret;
+
+	tapi_device_open(0, &dev);
+	tapi_port_open(0, 0, &ports[0]);
+	tapi_port_open(0, 1, &ports[1]);
+
+	dd = dialdetector_alloc(&ports[0]);
+	dd->dial_callback = dial_callback;
+	dd2 = dialdetector_alloc(&ports[1]);
+	dd2->dial_callback = dial_callback;
+
+	tapi_mainloop();
+
+	return 0;
+}

package/libtapi/src/timer_fd.c

@@ -0,0 +1,33 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * timerfd_create() / timerfd_settime() / timerfd_gettime() for uClibc
+ *
+ * Copyright (C) 2009 Stephan Raue <stephan@openelec.tv>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+/*#include <sys/timerfd.h>*/
+#include "timerfd.h"
+
+/*
+ * timerfd_create()
+ */
+#ifdef __NR_timerfd_create
+int timerfd_create(int clockid, int flags)
+{
+	return syscall(__NR_timerfd_create, clockid, flags);
+}
+#endif
+
+/*
+ * timerfd_settime()
+ */
+#ifdef __NR_timerfd_settime
+int timerfd_settime(int ufd, int flags, const struct itimerspec *umtr, struct itimerspec *otmr)
+{
+	return syscall(__NR_timerfd_settime, ufd, flags, umtr, otmr);
+}
+#endif
+

package/libtapi/src/timerfd.h

@@ -0,0 +1,61 @@
+/* Copyright (C) 2008 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_SYS_TIMERFD_H
+#define	_SYS_TIMERFD_H	1
+
+#include <time.h>
+
+
+/* Bits to be set in the FLAGS parameter of `timerfd_create'.  */
+enum
+  {
+    TFD_CLOEXEC = 02000000,
+#define TFD_CLOEXEC TFD_CLOEXEC
+    TFD_NONBLOCK = 04000
+#define TFD_NONBLOCK TFD_NONBLOCK
+  };
+
+
+/* Bits to be set in the FLAGS parameter of `timerfd_settime'.  */
+enum
+  {
+    TFD_TIMER_ABSTIME = 1 << 0
+#define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME
+  };
+
+
+__BEGIN_DECLS
+
+/* Return file descriptor for new interval timer source.  */
+extern int timerfd_create (clockid_t __clock_id, int __flags) __THROW;
+
+/* Set next expiration time of interval timer source UFD to UTMR.  If
+   FLAGS has the TFD_TIMER_ABSTIME flag set the timeout value is
+   absolute.  Optionally return the old expiration time in OTMR.  */
+extern int timerfd_settime (int __ufd, int __flags,
+			    __const struct itimerspec *__utmr,
+			    struct itimerspec *__otmr) __THROW;
+
+/* Return the next expiration time of UFD.  */
+extern int timerfd_gettime (int __ufd, struct itimerspec *__otmr) __THROW;
+
+__END_DECLS
+
+#endif /* sys/timerfd.h */
+

package/lqtapi/Makefile

@@ -0,0 +1,73 @@
+# 
+# Copyright (C) 2006-2010 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=lqtapi
+PKG_VERSION:=1
+PKG_RELEASE:=1
+
+FW_SOURCE:=danube_firmware.bin
+FW_URL:=http://www.arcor.de/hilfe/files/pdf/
+FW_FILE=arcor_A800_452CPW_FW_1.02.206(20081201).bin
+FW_MD5SUM:=19d9af4e369287a0f0abaed415cdac10
+
+include $(INCLUDE_DIR)/package.mk
+
+define Download/firmware
+  FILE:=$(FW_FILE)
+  URL:=$(FW_URL)
+  MD5SUM:=$(FW_MD5SUM)
+endef
+$(eval $(call Download,firmware))
+
+define KernelPackage/lqtapi
+  SUBMENU:=Voice over IP
+  TITLE:=Tapi drivers for Lantiq SoC
+  DEPENDS:=@TARGET_ifxmips_danube
+  FILES:=$(PKG_BUILD_DIR)/tapi/tapi.ko \
+	$(PKG_BUILD_DIR)/mps/mps.ko \
+  	$(PKG_BUILD_DIR)/mps/vmmc.ko
+  AUTOLOAD:=$(call AutoLoad,80,tapi) \
+	$(call AutoLoad,81,mps)
+endef
+
+define Package/lqtapi-firmware-danube
+  SECTION:=sys
+  CATEGORY:=Kernel modules
+  SUBMENU:=Voice over IP
+  TITLE:=Danube firmware
+  DEPENDS:=+kmod-lqtapi
+endef
+
+include $(INCLUDE_DIR)/kernel-defaults.mk
+
+define KernelPackage/lqtapi/description
+	FOSS drivers for Lantiq SoC voip core
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+	$(MAKE) $(KERNEL_MAKEOPTS) \
+		SUBDIRS="$(PKG_BUILD_DIR)" \
+		EXTRA_CFLAGS=-I$(PKG_BUILD_DIR)/include/ \
+		modules
+endef
+
+define Package/lqtapi-firmware-danube/install
+	$(TOPDIR)/target/linux/$(BOARD)/extract.sh $(DL_DIR) '$(FW_FILE)' 
+	$(INSTALL_DIR) $(1)/lib/firmware/
+	$(INSTALL_DATA) $(DL_DIR)/voip.bin $(1)/lib/firmware/$(FW_SOURCE)
+endef
+
+$(eval $(call KernelPackage,lqtapi))
+$(eval $(call BuildPackage,lqtapi-firmware-danube))

package/lqtapi/src/Makefile

@@ -0,0 +1 @@
+obj-m = tapi/ mps/

package/lqtapi/src/include/linux/tapi/tapi-event.h

@@ -0,0 +1,37 @@
+#ifndef __LINUX_TAPI_TAPI_EVENT_H__
+#define __LINUX_TAPI_TAPI_EVENT_H__
+
+
+struct tapi_device;
+struct tapi_port;
+
+struct tapi_hook_event {
+	bool on;
+};
+
+struct tapi_dtmf_event {
+	unsigned char code;
+};
+
+enum tapi_event_type {
+	TAPI_EVENT_TYPE_HOOK,
+	TAPI_EVENT_TYPE_DTMF,
+};
+
+struct tapi_event {
+	struct timeval time;
+	enum tapi_event_type type;
+	unsigned int port;
+	union {
+		struct tapi_hook_event hook;
+		struct tapi_dtmf_event dtmf;
+	};
+};
+
+void tapi_report_event(struct tapi_device *tdev, struct tapi_event *event);
+void tapi_report_hook_event(struct tapi_device *tdev, struct tapi_port *port,
+	bool on);
+void tapi_report_dtmf_event(struct tapi_device *tdev, struct tapi_port *port,
+	unsigned char code);
+
+#endif

package/lqtapi/src/include/linux/tapi/tapi-ioctl.h

@@ -0,0 +1,20 @@
+
+#include <linux/ioctl.h>
+
+#define TAPI_MAGIC 't'
+#define TAPI_IOCTL(x) _IO(TAPI_MAGIC, (x))
+
+#define TAPI_CONTROL_IOCTL_LINK_ALLOC TAPI_IOCTL(0)
+#define TAPI_CONTROL_IOCTL_LINK_FREE  TAPI_IOCTL(1)
+#define TAPI_CONTROL_IOCTL_LINK_ENABLE TAPI_IOCTL(2)
+#define TAPI_CONTROL_IOCTL_LINK_DISABLE TAPI_IOCTL(3)
+
+#define TAPI_CONTROL_IOCTL_SYNC TAPI_IOCTL(4)
+
+#define TAPI_PORT_IOCTL_GET_ENDPOINT TAPI_IOCTL(5)
+#define TAPI_PORT_IOCTL_SET_RING TAPI_IOCTL(6)
+
+#define TAPI_STREAM_IOCTL_GET_ENDPOINT TAPI_IOCTL(7)
+#define TAPI_STREAM_IOCTL_CONFIGURE TAPI_IOCTL(8)
+#define TAPI_STREAM_IOCTL_START TAPI_IOCTL(9)
+#define TAPI_STREAM_IOCTL_STOP TAPI_IOCTL(10)

package/lqtapi/src/include/linux/tapi/tapi.h

@@ -0,0 +1,231 @@
+#ifndef __LINUX_TAPI_H__
+#define __LINUX_TAPI_H__
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+
+#include <linux/input.h>
+
+#include <asm/atomic.h>
+#include <linux/list.h>
+
+#include <linux/cdev.h>
+
+#include <linux/skbuff.h>
+#include <linux/wait.h>
+
+#include <linux/tapi/tapi-event.h>
+
+struct tapi_device;
+
+struct tapi_char_device {
+	struct tapi_device *tdev;
+	struct device dev;
+	struct cdev cdev;
+};
+
+static inline struct tapi_char_device *cdev_to_tapi_char_device(struct cdev *cdev)
+{
+	return container_of(cdev, struct tapi_char_device, cdev);
+}
+
+int tapi_char_device_register(struct tapi_device *tdev,
+	struct tapi_char_device *tchrdev, const struct file_operations *fops);
+
+
+struct tapi_endpoint {
+	unsigned int id;
+	void *data;
+};
+
+static inline void tapi_endpoint_set_data(struct tapi_endpoint *ep, void *data)
+{
+	ep->data = data;
+}
+
+static inline void *tapi_endpoint_get_data(struct tapi_endpoint *ep)
+{
+	return ep->data;
+}
+
+struct tapi_port {
+	unsigned int id;
+	struct tapi_endpoint ep;
+	struct input_dev *input;
+	struct tapi_char_device chrdev;
+};
+
+struct tapi_stream {
+	unsigned int id;
+	struct list_head head;
+	struct tapi_endpoint ep;
+
+	struct sk_buff_head recv_queue;
+	wait_queue_head_t recv_wait;
+	struct sk_buff_head send_queue;
+};
+
+struct tapi_link {
+	unsigned int id;
+	struct list_head head;
+};
+
+enum tapi_codec {
+	TAPI_CODEC_L16,
+};
+
+struct tapi_stream_config {
+	enum tapi_codec codec;
+	unsigned int buffer_size;
+};
+
+struct tapi_ops {
+	int (*send_dtmf_events)(struct tapi_device *, struct tapi_port *port,
+		struct tapi_dtmf_event *, size_t num_events, unsigned int dealy);
+	int (*send_dtmf_event)(struct tapi_device *, struct tapi_port *port,
+		struct tapi_dtmf_event *);
+	int (*ring)(struct tapi_device *, struct tapi_port *port, bool ring);
+
+	struct tapi_stream *(*stream_alloc)(struct tapi_device *);
+	void (*stream_free)(struct tapi_device *, struct tapi_stream *);
+	int (*stream_configure)(struct tapi_device *, struct tapi_stream *,
+		struct tapi_stream_config *);
+	int (*stream_start)(struct tapi_device *, struct tapi_stream *);
+	int (*stream_stop)(struct tapi_device *, struct tapi_stream *);
+	int (*stream_send)(struct tapi_device *, struct tapi_stream *,
+		struct sk_buff *);
+
+	struct tapi_link *(*link_alloc)(struct tapi_device *,
+		struct tapi_endpoint *ep1, struct tapi_endpoint *ep2);
+	void (*link_free)(struct tapi_device *, struct tapi_link *);
+	int (*link_enable)(struct tapi_device *, struct tapi_link *);
+	int (*link_disable)(struct tapi_device *, struct tapi_link *);
+
+	int (*sync)(struct tapi_device *);
+};
+
+int tapi_stream_recv(struct tapi_device *, struct tapi_stream *, struct sk_buff *);
+
+struct tapi_device {
+	unsigned int id;
+
+	const struct tapi_ops *ops;
+	unsigned int num_ports;
+
+	struct device dev;
+
+	struct mutex lock;
+
+	struct tapi_port *ports;
+	struct list_head streams;
+	struct list_head links;
+	atomic_t stream_id;
+	atomic_t link_id;
+
+	struct tapi_char_device stream_dev;
+	struct tapi_char_device control_dev;
+};
+
+static inline struct tapi_device *dev_to_tapi(struct device *dev)
+{
+	return container_of(dev, struct tapi_device, dev);
+}
+
+static inline struct tapi_stream *tapi_stream_from_id(struct tapi_device *tdev,
+	unsigned int id)
+{
+	struct tapi_stream *stream;
+
+	mutex_lock(&tdev->lock);
+
+	list_for_each_entry(stream, &tdev->streams, head) {
+		if (stream->id == id)
+			goto out;
+	}
+	stream = NULL;
+
+out:
+	mutex_unlock(&tdev->lock);
+	return stream;
+}
+
+struct tapi_link *tapi_link_alloc(struct tapi_device *, struct tapi_endpoint *,
+	struct tapi_endpoint *);
+void tapi_link_free(struct tapi_device *, struct tapi_link *);
+
+struct tapi_stream *tapi_stream_alloc(struct tapi_device *tdev);
+void tapi_stream_free(struct tapi_device *tdev, struct tapi_stream *stream);
+
+static inline int tapi_sync(struct tapi_device *tdev)
+{
+	if (!tdev->ops || !tdev->ops->sync)
+		return 0;
+
+	return tdev->ops->sync(tdev);
+}
+
+static inline int tapi_link_enable(struct tapi_device *tdev,
+	struct tapi_link *link)
+{
+	if (!tdev->ops || !tdev->ops->link_enable)
+		return 0;
+
+	return tdev->ops->link_enable(tdev, link);
+}
+
+static inline int tapi_link_disable(struct tapi_device *tdev,
+	struct tapi_link *link)
+{
+	if (!tdev->ops || !tdev->ops->link_disable)
+		return 0;
+
+	return tdev->ops->link_disable(tdev, link);
+}
+
+static inline int tapi_port_send_dtmf(struct tapi_device *tdev,
+	struct tapi_port *port,	struct tapi_dtmf_event *dtmf)
+{
+	if (!tdev->ops || !tdev->ops->send_dtmf_event)
+		return -ENOSYS;
+
+	return tdev->ops->send_dtmf_event(tdev, port, dtmf);
+}
+
+static inline int tapi_port_set_ring(struct tapi_device *tdev,
+	struct tapi_port *port, bool ring)
+{
+	if (!tdev->ops || !tdev->ops->ring)
+		return -ENOSYS;
+
+	return tdev->ops->ring(tdev, port, ring);
+}
+
+static inline int tapi_stream_start(struct tapi_device *tdev,
+struct tapi_stream *stream)
+{
+	if (!tdev->ops || !tdev->ops->stream_start)
+		return -ENOSYS;
+
+	return tdev->ops->stream_start(tdev, stream);
+}
+
+static inline int tapi_stream_stop(struct tapi_device *tdev,
+struct tapi_stream *stream)
+{
+	if (!tdev->ops || !tdev->ops->stream_stop)
+		return -ENOSYS;
+
+	return tdev->ops->stream_stop(tdev, stream);
+}
+
+int tapi_device_register(struct tapi_device *tdev, const char *name,
+	struct device *parent);
+void tapi_device_unregister(struct tapi_device *tdev);
+
+struct tapi_sysfs_port;
+
+struct tapi_sysfs_port *tapi_port_alloc(struct tapi_device *tdev, unsigned int id);
+void tapi_port_delete(struct tapi_sysfs_port *);
+
+#endif

package/lqtapi/src/mps/Makefile

@@ -0,0 +1,8 @@
+
+
+mps-objs := mps-core.o mps-irq.o mps-fifo.o
+obj-m += mps.o
+
+vmmc-objs := vmmc-core.o vmmc-alm.o vmmc-module.o vmmc-link.o vmmc-port.o \
+	vmmc-signal.o vmmc-stream.o vmmc-coder.o
+obj-m += vmmc.o

package/lqtapi/src/mps/mps-core.c

@@ -0,0 +1,238 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+#include <ifxmips_prom.h>
+#include <ifxmips_irq.h>
+
+#include "mps.h"
+
+extern int mps_irq_init(struct mps *mps);
+extern void mps_irq_exit(struct mps *mps);
+
+#define MPS_CPU0_BOOT_RVEC	0x1c0
+#define MPS_CPU0_BOOT_NVEC	0x1c4
+#define MPS_CPU0_BOOT_EVEC	0x1c8
+#define MPS_CPU0_CP0_STATUS	0x1cc
+#define MPS_CPU0_CP0_EEPC	0x1d0
+#define MPS_CPU0_CP0_EPC	0x1d4
+#define MPS_CPU0_BOOT_SIZE	0x1d8
+#define MPS_CPU0_CFG_STAT	0x1dc
+#define MPS_CPU1_BOOT_RVEC	0x1e0
+#define MPS_CPU1_BOOT_NVEC	0x1e4
+#define MPS_CPU1_BOOT_EVEC	0x1e8
+#define MPS_CPU1_CP0_STATUS	0x1ec
+#define MPS_CPU1_CP0_EEPC	0x1f0
+#define MPS_CPU1_CP0_EPC	0x1f4
+#define MPS_CPU1_BOOT_SIZE	0x1f8
+#define MPS_CPU1_CFG_STAT	0x1fc
+
+static void mps_reset(void)
+{
+	ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_CPU1,
+		IFXMIPS_RCU_RST);
+	smp_wmb();
+}
+
+static void mps_release(void)
+{
+	uint32_t val;
+	val = ifxmips_r32(IFXMIPS_RCU_RST);
+	val |= 0x20000000;
+	val &= ~IFXMIPS_RCU_RST_CPU1;
+	ifxmips_w32(val, IFXMIPS_RCU_RST);
+	smp_wmb();
+}
+
+void mps_load_firmware(struct mps *mps, const void *data, size_t size,
+	enum mps_boot_config config)
+{
+	uint32_t cfg = 0;
+	uint32_t fw_size = size;
+
+	if (config == MPS_BOOT_LEGACY) {
+		cfg = 0x00020000;
+		fw_size -= sizeof(uint32_t);
+	} else {
+		if(config == MPS_BOOT_ENCRYPTED) {
+			cfg = __raw_readl(mps->mbox_base + MPS_CPU1_CFG_STAT);
+			cfg |= 0x00700000;
+		} else {
+			printk("PANIC!\n");
+		}
+	}
+
+	mps_reset();
+
+	memcpy_toio(mps->cp1_base, data, size);
+
+	__raw_writel(cfg, mps->mbox_base + MPS_CPU1_CFG_STAT);
+	__raw_writel(fw_size, mps->mbox_base + MPS_CPU1_BOOT_SIZE);
+	__raw_writel((uint32_t)mps->cp1_base, mps->mbox_base + MPS_CPU1_BOOT_RVEC);
+
+	mps_release();
+}
+EXPORT_SYMBOL_GPL(mps_load_firmware);
+
+void mps_configure_fifo(struct mps *mps, struct mps_fifo *fifo,
+	const struct mps_fifo_config *config)
+{
+	mps_fifo_init(fifo, mps->mbox_base + config->base,
+		mps->mbox_base + config->head_addr,
+		mps->mbox_base + config->tail_addr,
+		config->size);
+
+	__raw_writel(config->size, mps->mbox_base + config->size_addr);
+	__raw_writel(mps->mbox_res->start + config->base,
+		mps->mbox_base + config->base_addr);
+}
+EXPORT_SYMBOL_GPL(mps_configure_fifo);
+
+void mps_configure_mailbox(struct mps *mps, struct mps_mailbox *mbox,
+	const struct mps_fifo_config *upstream_config,
+	const struct mps_fifo_config *downstream_config)
+{
+	mps_configure_fifo(mps, &mbox->upstream, upstream_config);
+	mps_configure_fifo(mps, &mbox->downstream, downstream_config);
+}
+EXPORT_SYMBOL_GPL(mps_configure_mailbox);
+
+static int __devinit mps_probe(struct platform_device *pdev)
+{
+	int ret;
+	struct mps *mps;
+	struct resource *res;
+
+	mps = kzalloc(sizeof(*mps), GFP_KERNEL);
+
+	if (!mps)
+		return -ENOMEM;
+
+	mps->dev = &pdev->dev;
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem");
+	if (!res) {
+		dev_err(&pdev->dev, "Failed to get mem resource");
+		ret = -ENOENT;
+		goto err_free;
+	}
+
+	res = request_mem_region(res->start, resource_size(res),
+		dev_name(&pdev->dev));
+
+	if (!res) {
+		dev_err(&pdev->dev, "Failed to request mem resource");
+		ret = -EBUSY;
+		goto err_free;
+	}
+
+	mps->base = ioremap_nocache(res->start, resource_size(res));
+
+	if (!mps->base) {
+		dev_err(&pdev->dev, "Failed to ioremap mem region\n");
+		ret = -EBUSY;
+		goto err_release_mem_region;
+	}
+
+	mps->res = res;
+
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mailbox");
+	if (!res) {
+		dev_err(&pdev->dev, "Failed to get mailbox mem region\n");
+		ret = -ENOENT;
+		goto err_free;
+	}
+
+	res = request_mem_region(res->start, resource_size(res),
+		dev_name(&pdev->dev));
+
+	if (!res) {
+		dev_err(&pdev->dev, "Failed to request mailbox mem region\n");
+		ret = -EBUSY;
+		goto err_free;
+	}
+
+	mps->mbox_base = ioremap_nocache(res->start, resource_size(res));
+
+	if (!mps->mbox_base) {
+		dev_err(&pdev->dev, "Failed to ioremap mailbox mem region\n");
+		ret = -EBUSY;
+		goto err_release_mem_region;
+	}
+
+	mps->mbox_res = res;
+
+	mps->cp1_base = ioremap_nocache((unsigned int)pdev->dev.platform_data, 1 << 20);
+
+	if (!mps->cp1_base) {
+		dev_err(&pdev->dev, "Failed to ioremap cp1 address\n");
+		ret = -EBUSY;
+		goto err_release_mem_region;
+	}
+
+	mps->irq_ad0 = INT_NUM_IM4_IRL18;
+	mps->irq_ad1 = INT_NUM_IM4_IRL19;
+	mps->irq_base = 160;
+
+	ret = mps_irq_init(mps);
+	if (ret < 0)
+		goto err_iounmap;
+
+	platform_set_drvdata(pdev, mps);
+
+	return 0;
+
+err_iounmap:
+	iounmap(mps->mbox_base);
+err_release_mem_region:
+	release_mem_region(res->start, resource_size(res));
+err_free:
+	kfree(mps);
+
+	return ret;
+}
+
+static int __devexit mps_remove(struct platform_device *pdev)
+{
+	struct mps *mps = platform_get_drvdata(pdev);
+
+	mps_irq_exit(mps);
+
+	iounmap(mps->mbox_base);
+	release_mem_region(mps->mbox_res->start, resource_size(mps->mbox_res));
+	iounmap(mps->base);
+	release_mem_region(mps->res->start, resource_size(mps->res));
+
+	kfree(mps);
+	return 0;
+}
+
+static struct platform_driver mps_driver = {
+	.probe = mps_probe,
+	.remove = __devexit_p(mps_remove),
+	.driver = {
+		.name = "mps",
+		.owner = THIS_MODULE
+	},
+};
+
+static int __init mps_init(void)
+{
+	return platform_driver_register(&mps_driver);
+}
+module_init(mps_init);
+
+static void __exit mps_exit(void)
+{
+	platform_driver_unregister(&mps_driver);
+}
+module_exit(mps_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");

package/lqtapi/src/mps/mps-fifo.c

@@ -0,0 +1,102 @@
+#include <linux/io.h>
+
+#include "mps.h"
+
+void mps_fifo_init(struct mps_fifo *fifo, void __iomem *base,
+	void __iomem *head_addr, void __iomem *tail_addr, uint32_t size)
+{
+	fifo->base = base;
+	fifo->head_addr = head_addr;
+	fifo->tail_addr = tail_addr;
+	fifo->size = size;
+	mps_fifo_reset(fifo);
+}
+
+void mps_fifo_in(struct mps_fifo *fifo, const uint32_t *from, size_t len)
+{
+	uint32_t head = __raw_readl(fifo->head_addr);
+	void __iomem *base = fifo->base + head;
+	size_t i = 0;
+	size_t byte_len = len * 4;
+
+	if (head < byte_len) {
+		for(; i <= head / 4; ++i) {
+			__raw_writel(from[i], base);
+			base -= 4;
+		}
+
+		base += fifo->size;
+		head += fifo->size;
+	}
+
+	for(; i < len; ++i) {
+		__raw_writel(from[i], base);
+		base -= 4;
+	}
+
+	head -= byte_len;
+	__raw_writel(head, fifo->head_addr);
+
+}
+EXPORT_SYMBOL_GPL(mps_fifo_in);
+
+void mps_fifo_out(struct mps_fifo *fifo, uint32_t *to, size_t len)
+{
+	uint32_t tail = __raw_readl(fifo->tail_addr);
+	void __iomem *base = fifo->base + tail;
+	size_t i = 0;
+	size_t byte_len = len * 4;
+
+	if (tail < byte_len) {
+		for(; i <= tail / 4; ++i) {
+			to[i] = __raw_readl(base);
+			base -= 4;
+		}
+
+		base += fifo->size;
+		tail += fifo->size;
+	}
+
+	for(; i < len; ++i) {
+		to[i] = __raw_readl(base);
+		base -= 4;
+	}
+
+	tail -= byte_len;
+	__raw_writel(tail, fifo->tail_addr);
+}
+EXPORT_SYMBOL_GPL(mps_fifo_out);
+
+uint32_t mps_fifo_peek(struct mps_fifo *fifo)
+{
+	uint32_t tail = __raw_readl(fifo->tail_addr);
+	void __iomem *base = fifo->base + tail;
+	return __raw_readl(base);
+}
+
+void mps_fifo_reset(struct mps_fifo *fifo)
+{
+	void __iomem *base = fifo->base + fifo->size - 4;
+	size_t i;
+
+	__raw_writel(fifo->size - 4, fifo->head_addr);
+	__raw_writel(fifo->size - 4, fifo->tail_addr);
+
+	for(i = 0; i < 16; ++i) {
+		__raw_writel(0x0, base);
+		base -= 4;
+	}
+}
+
+size_t mps_fifo_len(struct mps_fifo *fifo)
+{
+	uint32_t head = __raw_readl(fifo->head_addr);
+	uint32_t tail = __raw_readl(fifo->tail_addr);
+
+	if (tail < head)
+		return head - tail;
+	else
+		return fifo->size - (tail - head);
+}
+EXPORT_SYMBOL_GPL(mps_fifo_len);
+

package/lqtapi/src/mps/mps-irq.c

@@ -0,0 +1,157 @@
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <ifxmips_irq.h>
+
+#include "mps.h"
+#include "mps-irq.h"
+
+#define MPS_REG_AD0_IRQ_BASE	0x40
+#define MPS_REG_AD1_IRQ_BASE	0x44
+
+#define MPS_REG_AD_IRQ_STATUS	0x00
+#define MPS_REG_AD_IRQ_SET	0x08
+#define MPS_REG_AD_IRQ_CLEAR	0x10
+#define MPS_REG_AD_IRQ_ENABLE	0x18
+
+struct mps_irq_desc
+{
+    void __iomem *base;
+    unsigned int irq_base;
+};
+
+static inline unsigned int mps_irq_bit(struct mps_irq_desc *mps_desc, int irq)
+{
+	return BIT(irq - mps_desc->irq_base);
+}
+
+static void mps_irq_ack(unsigned int irq)
+{
+	struct mps_irq_desc *mps_desc = get_irq_chip_data(irq);
+
+	__raw_writel(mps_irq_bit(mps_desc, irq),
+		mps_desc->base + MPS_REG_AD_IRQ_CLEAR);
+}
+
+static void mps_irq_mask(unsigned int irq)
+{
+	struct mps_irq_desc *mps_desc = get_irq_chip_data(irq);
+	uint32_t mask;
+
+	mask = __raw_readl(mps_desc->base + MPS_REG_AD_IRQ_ENABLE);
+	mask &= ~mps_irq_bit(mps_desc, irq);
+	__raw_writel(mask, mps_desc->base + MPS_REG_AD_IRQ_ENABLE);
+}
+
+static void mps_irq_unmask(unsigned int irq)
+{
+	struct mps_irq_desc *mps_desc = get_irq_chip_data(irq);
+	uint32_t mask;
+
+	mask = __raw_readl(mps_desc->base + MPS_REG_AD_IRQ_ENABLE);
+	mask |= mps_irq_bit(mps_desc, irq) | 0xffff;
+	__raw_writel(mask, mps_desc->base + MPS_REG_AD_IRQ_ENABLE);
+}
+
+static struct irq_chip mps_irq_chip = {
+	.name = "mps",
+	.ack = mps_irq_ack,
+	.mask = mps_irq_mask,
+	.unmask = mps_irq_unmask,
+};
+
+static void mps_irq_demux_handler(unsigned int irq, struct irq_desc *desc)
+{
+	struct mps_irq_desc *mps_desc = get_irq_data(irq);
+	uint32_t val;
+	int mps_irq;
+
+	desc->chip->mask(irq);
+
+	val = __raw_readl(mps_desc->base + MPS_REG_AD_IRQ_STATUS);
+	mps_irq = ffs(val);
+
+/*	printk("irq: %d %x\n", mps_irq, val);*/
+
+	if (mps_irq > 16)
+	    printk("PANIC!\n");
+
+	if (mps_irq)
+		generic_handle_irq(mps_irq + mps_desc->irq_base - 1);
+
+	desc->chip->ack(irq);
+	desc->chip->unmask(irq);
+}
+
+#if 0
+
+static const uint32_t ring_msg[] = {
+0x01010004, 0x00030000,
+};
+
+static irqreturn_t mps_irq_ad0(int irq, void *devid)
+{
+    struct mps *mps = devid;
+    uint32_t val;
+
+    val = __raw_readl(mps->base + MPS_REG_AD0_IRQ_STATUS);
+    printk("WOHO ein IRQ: %x\n", val);
+    __raw_writel(val, mps->base + MPS_REG_AD0_IRQ_CLEAR);
+
+	if (val & BIT(MPS_IRQ_DOWNLOAD_DONE))
+		complete(&mps->init_completion);
+
+	if (val & BIT(MPS_IRQ_EVENT))
+		mps_fifo_in(&mps->mbox_cmd.downstream, ring_msg, ARRAY_SIZE(ring_msg));
+
+    return IRQ_HANDLED;
+}
+#endif
+
+#define MPS_NUM_AD_IRQS 32
+
+struct mps_irq_desc mps_irq_descs[2];
+
+int mps_irq_init(struct mps *mps)
+{
+	int ret = 0;
+	int irq;
+
+	mps_irq_descs[0].base = mps->base + MPS_REG_AD0_IRQ_BASE;
+	mps_irq_descs[0].irq_base = mps->irq_base;
+	mps_irq_descs[1].base = mps->base + MPS_REG_AD1_IRQ_BASE;
+	mps_irq_descs[1].irq_base = mps->irq_base + 16;
+
+
+	set_irq_data(mps->irq_ad0, &mps_irq_descs[0]);
+	set_irq_chained_handler(mps->irq_ad0, mps_irq_demux_handler);
+	set_irq_data(mps->irq_ad1, &mps_irq_descs[1]);
+	set_irq_chained_handler(mps->irq_ad1, mps_irq_demux_handler);
+
+/*
+	ret = request_irq(mps->irq_ad0, mps_irq_demux_handler, IRQF_DISABLED,
+		"mps ad0", &mps_irq_descs[0]);
+	ret = request_irq(mps->irq_ad1, mps_irq_demux_handler, IRQF_DISABLED,
+		"mps ad0", &mps_irq_descs[1]);
+*/
+	for (irq = 0; irq < MPS_NUM_AD_IRQS; ++irq) {
+	    set_irq_chip_data(irq + mps->irq_base, &mps_irq_descs[irq / 16]);
+	    set_irq_chip_and_handler(irq + mps->irq_base, &mps_irq_chip, handle_level_irq);
+	}
+
+
+/*
+	res = request_irq(INT_NUM_IM4_IRL18, mps_irq_ad0, IRQF_DISABLED,
+	    "mps ad0", mps);
+
+	irqs = BIT(MPS_IRQ_CMD_UPSTREAM) | BIT(MPS_IRQ_DATA_UPSTREAM)
+	 | BIT(MPS_IRQ_DOWNLOAD_DONE) | BIT(MPS_IRQ_EVENT) | BIT(MPS_IRQ_CMD_ERROR); 
+
+	 __raw_writel(irqs, mps->base + MPS_REG_AD0_IRQ_ENA);
+*/
+	return ret;
+}
+
+void mps_irq_exit(struct mps *mps)
+{
+	free_irq(INT_NUM_IM4_IRL18, mps);
+}

package/lqtapi/src/mps/mps-irq.h

@@ -0,0 +1,18 @@
+
+#define MPS_IRQ_BASE 160
+#define MPS_IRQ(x) (MPS_IRQ_BASE + (x))
+#define MPS_IRQ_CMD_UPSTREAM MPS_IRQ(0)
+#define MPS_IRQ_DATA_UPSTREAM MPS_IRQ(1)
+#define MPS_IRQ_CMD_DOWNSTREAM MPS_IRQ(2)
+#define MPS_IRQ_DATA_DOWNSTREAM MPS_IRQ(3)
+#define MPS_IRQ_RCV_OVERFLOW MPS_IRQ(4)
+#define MPS_IRQ_EVENT MPS_IRQ(5)
+#define MPS_IRQ_EVENT_OVERFLOW MPS_IRQ(6)
+#define MPS_IRQ_CMD_ERROR MPS_IRQ(8)
+#define MPS_IRQ_PCM_CRASH MPS_IRQ(9)
+#define MPS_IRQ_DATA_ERROR MPS_IRQ(10)
+#define MPS_IRQ_MIPS_OL MPS_IRQ(11)
+#define MPS_IRQ_WATCHDOG_FAIL MPS_IRQ(14)
+#define MPS_IRQ_DOWNLOAD_DONE MPS_IRQ(15)
+
+

package/lqtapi/src/mps/mps-msg.c

@@ -0,0 +1,19 @@
+
+
+int mps_message_send(struct mps_fifo *fifo, struct mps_message *msg)
+{
+}
+
+int mps_message_recv(struct mps_fifo *fifo, struct mps_message *msg)
+{
+	mps_fifo_out(fifo, &msg->header, sizeof(msg->header));
+	mps_fifo_out(fifo, &msg->data, mps_message_size(msg));
+}
+
+struct mps_message *msg mps_message_recv_alloc(struct mps_fifo *fifo)
+{
+	struct mps_message *msg;
+
+	mps_fifo_out(fifo, &msg->header, sizeof(msg->header));
+	mps_fifo_out(fifo, &msg->data, mps_message_size(msg));
+}

package/lqtapi/src/mps/mps-msg.h

@@ -0,0 +1,87 @@
+#ifndef __MPS_MSG_H__
+#define __MPS_MSG_H__
+
+#include <linux/slab.h>
+
+struct mps_message {
+	uint32_t header;
+	uint32_t data[0];
+};
+
+#define MPS_MSG_HEADER(_rw, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
+	(((_rw) << 31) | ((_sc) << 30) | ((_bc) << 29) | ((_cmd) << 24) | \
+	((_chan) << 16) | ((_mode) << 13) | ((_ecmd) << 8) | (_length))
+
+#define MPS_MSG_INIT(_msg, _rw, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
+	do { \
+		(_msg)->header = MPS_MSG_HEADER(_rw, _sc, _bc, _cmd, _chan, _mode, \
+			_ecmd, _length); \
+	} while(0)
+
+
+static inline void mps_msg_init(struct mps_message *msg, uint32_t rw, uint32_t sc,
+	uint32_t bc, uint32_t cmd, uint32_t chan, uint32_t mode, uint32_t ecmd,
+	uint32_t length)
+{
+	msg->header = MPS_MSG_HEADER(rw, sc, bc, cmd, chan, mode, ecmd, length);
+}
+
+#define DECLARE_MESSAGE(_name, _size) struct mps_message _name; \
+	uint32_t __mps_msg_data_ ## __FUNCTION__ ## __LINE__[_size]
+
+static inline struct mps_message *mps_message_alloc(size_t size)
+{
+	return kmalloc(sizeof(struct mps_message) + size * sizeof(uint32_t), GFP_KERNEL);
+}
+
+static inline size_t mps_message_size(const struct mps_message *msg)
+{
+	return msg->header & 0xff;
+}
+
+enum {
+	MPS_MSG_WRITE = 0,
+	MPS_MSG_READ = 1,
+};
+
+enum {
+	MPS_CMD_ALI = 1,
+	MPS_CMD_DECT = 3,
+	MPS_CMD_SDD = 4,
+	MPS_CMD_EOP = 6,
+};
+
+#define MOD_PCM 0
+#define MOD_SDD 0
+#define MOD_ALI 1
+#define MOD_SIGNALING 2
+#define MOD_CODER 3
+#define MOD_RESOURCE 6
+#define MOD_SYSTEM 7
+#define ECMD_SYS_VER 6
+#define SYS_CAP_ECMD 7
+#define ECMD_CIDS_DATA 9
+#define ECMD_DCCTL_DEBUG 0x0a
+
+#define ALI_CHAN_CMD 6
+#define ALI_CHAN_ECMD 1
+
+#define MPS_MSG_HEADER_W(_sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
+	MPS_MSG_HEADER(MPS_MSG_WRITE, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length)
+
+#define MPS_MSG_HEADER_R(_sc, _bc, _cmd, _chan, _mode, _ecmd, _length) \
+	MPS_MSG_HEADER(MPS_MSG_READ, _sc, _bc, _cmd, _chan, _mode, _ecmd, _length)
+
+#define MPS_MSG_CMD_EOP(_mode, _ecmd, _length) \
+	MPS_MSG_HEADER_R(0, 0, MPS_CMD_EOP, 0, _mode, _ecmd, _length)
+
+#define MPS_MSG_CMD_EOP_SYSTEM(_ecmd, _length) \
+	MPS_MSG_CMD_EOP(MOD_SYSTEM, _ecmd, _length)
+
+#define MPS_CMD_GET_VERSION \
+	MPS_MSG_CMD_EOP_SYSTEM(ECMD_SYS_VER, 4)
+
+#define MPS_CMD_ALI(_chan) \
+	MPS_MSG_HEADER_W(0, 0, ALI_CHAN_CMD, _chan, MOD_ALI, ALI_CHAN_ECMD, 12)
+
+#endif

package/lqtapi/src/mps/mps.h

@@ -0,0 +1,85 @@
+#ifndef __MPS_H__
+#define __MPS_H__
+
+#include <linux/platform_device.h>
+#include <linux/completion.h>
+
+struct mps_fifo_config
+{
+	size_t head_addr;
+	size_t tail_addr;
+	size_t base_addr;
+	size_t size_addr;
+
+	size_t base;
+	size_t size;
+};
+
+struct mps_fifo {
+	void __iomem *base;
+	void __iomem *head_addr;
+	void __iomem *tail_addr;
+	uint32_t size;
+};
+
+struct mps_mailbox {
+	struct mps_fifo upstream;
+	struct mps_fifo downstream;
+};
+
+enum mps_boot_config
+{
+	MPS_BOOT_LEGACY = 1,
+	MPS_BOOT_ENCRYPTED = 2,
+};
+
+struct mps {
+	struct resource *res;
+	void __iomem *base;
+
+	struct resource *mbox_res;
+	void __iomem *mbox_base;
+
+	struct resource *cp1_res;
+	void __iomem *cp1_base;
+
+	struct device *dev;
+
+	int irq_ad0;
+	int irq_ad1;
+	int irq_base;
+};
+
+void mps_configure_fifo(struct mps *mps, struct mps_fifo *fifo,
+	const struct mps_fifo_config *config);
+
+void mps_configure_mailbox(struct mps *mps, struct mps_mailbox *mbox,
+	const struct mps_fifo_config *upstream_config,
+	const struct mps_fifo_config *downstream_config);
+
+void mps_load_firmware(struct mps *mps, const void *data, size_t size,
+	enum mps_boot_config config);
+
+static inline struct mps *device_to_mps(struct device *dev)
+{
+	return (struct mps *)dev_get_drvdata(dev);
+}
+
+/* fifo */
+void mps_fifo_init(struct mps_fifo *fifo, void __iomem *data_addr,
+	void __iomem *head_addr, void __iomem *tail_addr, uint32_t size);
+void mps_fifo_in(struct mps_fifo *fifo, const uint32_t *from, size_t len);
+void mps_fifo_out(struct mps_fifo *fifo, uint32_t *to, size_t len);
+uint32_t mps_fifo_peek(struct mps_fifo *fifo);
+void mps_fifo_reset(struct mps_fifo *fifo);
+size_t mps_fifo_len(struct mps_fifo *fifo);
+
+/* Mailbox */
+int mps_mailbox_init(struct mps_mailbox *mbox, const char *name, int irq);
+int mps_mailbox_command_read(struct mps_mailbox *mbox, uint32_t cmd,
+	uint32_t *result);
+int mps_mailbox_command_write(struct mps_mailbox *mbox, uint32_t cmd,
+	const uint32_t *data);
+
+
+#endif

package/lqtapi/src/mps/vmmc-alm.c

@@ -0,0 +1,129 @@
+#include <linux/kernel.h>
+
+#include "vmmc.h"
+#include "vmmc-cmds.h"
+#include "vmmc-alm.h"
+#include "vmmc-module.h"
+#include "mps.h"
+
+static inline struct vmmc_alm *vmmc_module_to_alm(struct vmmc_module *module)
+{
+	return container_of(module, struct vmmc_alm, module);
+}
+
+int vmmc_alm_set_state(struct vmmc_alm *alm, enum vmmc_alm_state state)
+{
+	int ret;
+
+	ret = vmmc_command_write(alm->vmmc, VMMC_CMD_OPMODE(alm->id), &state);
+	if (!ret)
+		alm->state = state;
+
+	return ret;
+}
+
+enum vmmc_alm_state vmmc_alm_get_state(struct vmmc_alm *alm)
+{
+	return alm->state;
+}
+
+static struct vmmc_alm_coef *vmmc_alm_coef_alloc(unsigned int offset, size_t len)
+{
+	struct vmmc_alm_coef *coef;
+
+	coef = kzalloc(sizeof(*coef) + sizeof(uint32_t) * DIV_ROUND_UP(len, 4),
+			GFP_KERNEL);
+	coef->offset = offset;
+	coef->len = len;
+
+	return coef;
+}
+
+int vmcc_alm_set_coefficents(struct vmmc_alm *alm,
+	const struct vmmc_alm_coef *coef_list)
+{
+	int ret = 0;
+	uint32_t cmd;
+	struct vmmc_alm_coef *coef;
+	struct list_head l;
+
+	INIT_LIST_HEAD(&l);
+
+	coef = vmmc_alm_coef_alloc(0x37, 8);
+	coef->data[0] = 0x76d7871d;
+	coef->data[1] = 0x7fbb7ff4;
+	list_add_tail(&coef->list, &l);
+	coef = vmmc_alm_coef_alloc(0x5e, 2);
+	coef->data[0] = 0x7e000000;
+	list_add_tail(&coef->list, &l);
+	coef = vmmc_alm_coef_alloc(0x6c, 2);
+	coef->data[0] = 0x7e000000;
+	list_add_tail(&coef->list, &l);
+
+	list_for_each_entry(coef, &l, list) {
+		cmd = VMMC_CMD_ALM_COEF(alm->id, coef->offset, coef->len);
+		ret = vmmc_command_write(alm->vmmc, cmd, coef->data);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+
+static int vmmc_alm_sync(struct vmmc_module *module)
+{
+	struct vmmc_alm *alm = vmmc_module_to_alm(module);
+
+	alm->cmd_cache[0] = VMMC_CMD_ALI_DATA1(1, 0, 0, 1, 0, module->pins[0], 0x4000);
+	alm->cmd_cache[1] = VMMC_CMD_ALI_DATA2(0x4000, module->pins[1], module->pins[2]);
+	alm->cmd_cache[2] = VMMC_CMD_ALI_DATA3(module->pins[3], module->pins[4]);
+
+	return vmmc_command_write(alm->vmmc, VMMC_CMD_ALI(alm->id), alm->cmd_cache);
+}
+
+static int vmmc_alm_enable(struct vmmc_module *module, bool enable)
+{
+	struct vmmc_alm *alm = vmmc_module_to_alm(module);
+
+	return vmmc_command_write(alm->vmmc, VMMC_CMD_ALI(alm->id), alm->cmd_cache);
+}
+
+static const struct vmmc_module_ops vmmc_alm_module_ops = {
+	.sync = vmmc_alm_sync,
+	.enable = vmmc_alm_enable,
+};
+
+int vmmc_alm_init(struct vmmc_alm *alm, struct vmmc *vmmc, unsigned int id)
+{
+	int ret;
+
+	ret = vmmc_module_init(&alm->module, 5, &vmmc_alm_module_ops);
+	if (ret)
+		return ret;
+
+	alm->id = id;
+	alm->module.id = id + 0x4;
+	alm->vmmc = vmmc;
+
+	alm->cmd_cache[0] = VMMC_CMD_ALI_DATA1(1, 0, 0, 1, 0, 0, 0x2000);
+	alm->cmd_cache[1] = VMMC_CMD_ALI_DATA2(0x2000, 0, 0);
+	alm->cmd_cache[2] = VMMC_CMD_ALI_DATA3(0, 0);
+
+	vmmc_command_write(alm->vmmc, VMMC_CMD_ALI(alm->id), alm->cmd_cache);
+	vmcc_alm_set_coefficents(alm, NULL);
+	vmmc_register_module(vmmc, &alm->module);
+
+// disable lec
+// write lec coef
+// write nlp coef
+// enable lec
+
+// ALI_LEC ALI_ES RES_LEC_COEF RES_LEC_NLP_COEF
+
+	return ret;
+}
+
+void vmmc_alm_hook_event_handler(struct vmmc *vmmc, uint32_t id, uint32_t data)
+{
+	tapi_report_hook_event(&vmmc->tdev, &vmmc->tdev.ports[id], data & 1);
+}

package/lqtapi/src/mps/vmmc-alm.h

@@ -0,0 +1,42 @@
+#ifndef  __VMMC_ALM_H__
+#define  __VMMC_ALM_H__
+
+#include "vmmc-module.h"
+
+struct vmmc;
+enum vmmc_alm_state {
+	VMMC_ALM_STATE_OFF = 0 << 16,
+	VMMC_ALM_STATE_ONHOOK = 1 << 16,
+	VMMC_ALM_STATE_RING = 3 << 16,
+	VMMC_ALM_STATE_ACTIVE = 2 << 16,
+};
+
+struct vmmc_alm {
+	struct vmmc *vmmc;
+	unsigned int id;
+
+	enum vmmc_alm_state state;
+
+	struct vmmc_module module;
+
+	uint32_t cmd_cache[3];
+};
+
+struct vmmc_alm_coef {
+	struct list_head list;
+	unsigned int offset;
+	size_t len;
+	uint32_t data[0];
+};
+
+int vmmc_alm_init(struct vmmc_alm *alm, struct vmmc *vmmc, unsigned int id);
+
+int vmmc_alm_set_state(struct vmmc_alm *alm, enum vmmc_alm_state state);
+enum vmmc_alm_state vmmc_alm_get_state(struct vmmc_alm *alm);
+
+int vmcc_alm_set_coefficents(struct vmmc_alm *alm,
+	const struct vmmc_alm_coef *coef_list);
+
+void vmmc_alm_hook_event_handler(struct vmmc *vmmc, uint32_t event, uint32_t data);
+
+#endif

package/lqtapi/src/mps/vmmc-cmds.h

@@ -0,0 +1,98 @@
+#ifndef __VMMC_CMDS_H__
+#define __VMMC_CMDS_H__
+
+#define _VMMC_CMD(_x) ((_x) << 24)
+#define _VMMC_MOD(_x) ((_x) << 13)
+#define _VMMC_ECMD(_x) ((_x) << 8)
+
+#define _VMMC_MSG(_cmd, _mod, _ecmd) \
+	(_VMMC_CMD(_cmd) | _VMMC_ECMD(_ecmd) | _VMMC_MOD(_mod))
+
+#define _VMMC_CHAN(_chan) ((_chan) << 16)
+#define _VMMC_LENGTH(_length) ((_length) << 2)
+
+#define VMMC_CMD_OPMODE(_chan) (_VMMC_MSG(1, 0, 0) | _VMMC_CHAN(_chan) | _VMMC_LENGTH(1))
+
+#define VMMC_CMD_SIG(_chan) (_VMMC_MSG(6, 2, 1) | _VMMC_CHAN(_chan) | _VMMC_LENGTH(1))
+#define VMMC_CMD_SIG_DATA(_enable, _event, _rate, _i1, _i2, _mute1, _mute2) \
+	(((_enable) << 31) | ((_event) << 30) | ((_i1) << 24) | ((_i2) << 16) | \
+	((_rate) << 23) | ((_mute1) << 15) | ((_mute2) << 14))
+
+#define VMMC_CMD_SIG_SET_ENABLE(_data, _enable) (((_data) & ~BIT(31)) | ((_enable) << 31))
+#define VMMC_CMD_SIG_SET_INPUTS(_data, _i1, _i2) (((_data) & ~0x3f3f0000) | \
+	((_i1) << 24) | ((_i2) << 16))
+
+#define VMMC_CMD_DTMFR(_chan) (_VMMC_MSG(6, 2, 4) | _VMMC_CHAN(_chan) | _VMMC_LENGTH(1))
+#define VMMC_CMD_DTMFR_DATA(_enable, _event, _nr) \
+	(((_enable) << 31) | ((_event) << 30) | (6 << 27) | ((_nr) << 16))
+
+#define VMMC_CMD_CODER(_chan) (_VMMC_MSG(6, 3, 1) | _VMMC_CHAN(_chan) | _VMMC_LENGTH(4))
+
+#define VMMC_CMD_CODER_DATA1(_enable, _rate, _ns, _pte, _nr, _i1, _hp, _pf, \
+	_cng, _bfi, _dec, _im, _pst, _sic, _em, _enc) \
+	(((_enable) << 31) | ((_rate) << 30) | ((_ns) << 29) | ((_pte) << 26) | \
+	((_nr) << 22) | ((_i1) << 16) | ((_hp) << 15) | ((_pf) << 14) | \
+	((_cng) << 13) | ((_bfi) << 12) | ((_dec) << 11) | ((_im) << 10) | \
+	((_pst) << 9) | ((_sic) << 8) | ((_em) << 7) | (_enc))
+
+#define VMMC_CMD_CODER_DATA2(_gain1, _gain2) (((_gain1) << 16) | (_gain2))
+
+#define VMMC_CMD_CODER_DATA3(_de, _ee, _i2, _red, _i3, _plc, _i4, _i5) \
+	(((_de) << 31) | ((_ee) << 30) | ((_i2) << 24) | ((_red) << 22) | \
+	((_i3) << 16) | ((_plc) << 15) | ((_i4) << 8) | (_i5))
+
+#define VMMC_CMD_SERR_ACK(_chan) _VMMC_MSG(6, 7, 1) | _VMMC_CHAN(_chan) | _VMMC_LENGTH(1)
+
+#define VMMC_CMD_SERR_ACK_DATA1(_foo) ((_foo) << 22)
+
+#define VMMC_CMD_CODER_DATA4(_tsf) ((_tsf) << 31)
+
+#define VMMC_EVENT_ID_MASK (_VMMC_MSG(0x1f, 0x7, 0x1f) | 0xff)
+
+#define VMMC_MSG_GET_CHAN(_msg) (((_msg) >> 16) & 0x1f)
+
+#define VMMC_EVENT_HOOK_STATE(_data) ((_data) & 1)
+
+#define VMMC_EVENT_HOOK_ID (_VMMC_MSG(9, 1, 1) | _VMMC_LENGTH(1))
+#define VMMC_EVENT_DTMF_ID (_VMMC_MSG(9, 2, 0) | _VMMC_LENGTH(1))
+
+#define VMMC_VOICE_DATA(_type, _chan, _len) (((_type) << 24) | ((_chan) << 16) \
+	| (_len))
+
+
+#define VMMC_CMD_ALI(_chan) (_VMMC_MSG(6, 1, 1) | _VMMC_CHAN(_chan) | _VMMC_LENGTH(3))
+
+#define VMMC_CMD_ALI_DATA1(_enable, _rate, _ud, _eh, _eo, _i1, _dg1) \
+	(((_enable) << 31) | ((_rate) << 30) | ((_ud) << 29) | ((_eh) << 27) | \
+	((_eo) << 26) | ((_i1) << 16) | (_dg1))
+
+#define VMMC_CMD_ALI_DATA2(_dg2, _i2, _i3) \
+	(((_dg2) << 16) | ((_i2) << 8) | (_i3))
+
+#define VMMC_CMD_ALI_DATA3(_i4, _i5) \
+	(((_i4) << 24) | ((_i5) << 16))
+
+#define VMMC_CMD_ALM_COEF(_chan, _offset, _len) \
+	(_VMMC_MSG(2, 0, _offset) | _VMMC_CHAN(_chan) | (_len))
+
+#define CMD_VOICEREC_STATUS_PACKET  0x0
+#define CMD_VOICEREC_DATA_PACKET    0x1
+#define CMD_RTP_VOICE_DATA_PACKET   0x4
+#define CMD_RTP_EVENT_PACKET        0x5
+#define CMD_ADDRESS_PACKET          0x8
+#define CMD_FAX_DATA_PACKET         0x10
+#define CMD_FAX_STATUS_PACKET       0x11
+#define CMD_P_PHONE_DATA_PACKET     0x12
+#define CMD_P_PHONE_STATUS_PACKET   0x13
+
+#define VMMC_CMD_RTP_CFG_US(_chan) \
+	(_VMMC_MSG(6, 3, 17) | _VMMC_CHAN(_chan) | (36))
+#define VMMC_CMD_RTP_CFG_DS(_chan) \
+	(_VMMC_MSG(6, 3, 25) | _VMMC_CHAN(_chan) | (32))
+
+#define VMMC_CMD_LEC(_chan) \
+	(_VMMC_MSG(6, 2, 1) | _VMMC_CHAN(_chan) | _VMMC_LENGTH(1))
+//	(_VMMC_MSG(CMD_EOP, ALI_LEC_ECMD, MOD_ALI) | _VMMC_CHAN(_chan) | (32))
+
+#define VMMC_CMD_LEC_DATA() 
+#endif

package/lqtapi/src/mps/vmmc-coder.c

@@ -0,0 +1,221 @@
+#include <linux/kernel.h>
+
+#include "vmmc.h"
+#include "vmmc-cmds.h"
+#include "vmmc-coder.h"
+#include "vmmc-module.h"
+#include "mps.h"
+
+enum vmmc_coder_encoding {
+	VMMC_CODER_ENCODING_ALAW = 2,
+	VMMC_CODER_ENCODING_MLAW = 3,
+	VMMC_CODER_ENCODING_G726_16 = 4,
+	VMMC_CODER_ENCODING_G726_24 = 5,
+	VMMC_CODER_ENCODING_G726_32 = 6,
+	VMMC_CODER_ENCODING_G726_40 = 7,
+	VMMC_CODER_ENCODING_AMR_4_75 = 8,
+	VMMC_CODER_ENCODING_AMR_5_15 = 9,
+	VMMC_CODER_ENCODING_AMR_5_9 = 10,
+	VMMC_CODER_ENCODING_AMR_6_7 = 11,
+	VMMC_CODER_ENCODING_AMR_7_4 = 12,
+	VMMC_CODER_ENCODING_AMR_7_95 = 13,
+	VMMC_CODER_ENCODING_AMR_10_2 = 14,
+	VMMC_CODER_ENCODING_AMR_12_2 = 15,
+	VMMC_CODER_ENCODING_G728_16 = 16,
+	VMMC_CODER_ENCODING_G729AB_8 = 18,
+	VMMC_CODER_ENCODING_G729E_11_8 = 19,
+	VMMC_CODER_ENCODING_G7221_24 = 20,
+	VMMC_CODER_ENCODING_G7221_32 = 21,
+	VMMC_CODER_ENCODING_G722_64 = 22,
+	VMMC_CODER_ENCODING_L16_8 = 24,
+	VMMC_CODER_ENCODING_L16_16 = 25,
+	VMMC_CODER_ENCODING_ILBC_15_2 = 26,
+	VMMC_CODER_ENCODING_ILBC_13_3 = 27,
+	VMMC_CODER_ENCODING_G7231_5_3 = 28,
+	VMMC_CODER_ENCODING_G7231_6_3 = 29,
+	VMMC_CODER_ENCODING_ALAW_VBD = 30,
+	VMMC_CODER_ENCODING_MLAW_VBD = 31,
+};
+
+static const uint8_t vmmc_coder_payload_mapping[] = {
+	[VMMC_CODER_ENCODING_ALAW] = 8,
+	[VMMC_CODER_ENCODING_MLAW] = 0,
+	[VMMC_CODER_ENCODING_G726_16] = 35,
+	[VMMC_CODER_ENCODING_G726_24] = 36,
+	[VMMC_CODER_ENCODING_G726_32] = 37,
+	[VMMC_CODER_ENCODING_G726_40] = 38,
+	[VMMC_CODER_ENCODING_AMR_4_75] = 39,
+	[VMMC_CODER_ENCODING_AMR_5_15] = 40,
+	[VMMC_CODER_ENCODING_AMR_5_9] = 41,
+	[VMMC_CODER_ENCODING_AMR_6_7] = 42,
+	[VMMC_CODER_ENCODING_AMR_7_4] = 43,
+	[VMMC_CODER_ENCODING_AMR_7_95] = 44,
+	[VMMC_CODER_ENCODING_AMR_10_2] = 45,
+	[VMMC_CODER_ENCODING_AMR_12_2] = 46,
+	[VMMC_CODER_ENCODING_G728_16] = 47,
+	[VMMC_CODER_ENCODING_G729AB_8] = 48,
+	[VMMC_CODER_ENCODING_G729E_11_8] = 49,
+	[VMMC_CODER_ENCODING_G7221_24] = 50,
+	[VMMC_CODER_ENCODING_G7221_32] = 51,
+	[VMMC_CODER_ENCODING_G722_64] = 52,
+	[VMMC_CODER_ENCODING_L16_8] = 11,
+	[VMMC_CODER_ENCODING_L16_16] = 10,
+	[VMMC_CODER_ENCODING_ILBC_15_2] = 53,
+	[VMMC_CODER_ENCODING_ILBC_13_3] = 54,
+	[VMMC_CODER_ENCODING_G7231_5_3] = 4,
+	[VMMC_CODER_ENCODING_G7231_6_3] = 4,
+	[VMMC_CODER_ENCODING_ALAW_VBD] = 55,
+	[VMMC_CODER_ENCODING_MLAW_VBD] = 56,
+};
+
+static uint32_t payload_enc[9];
+static uint32_t payload_dec[8];
+
+static inline struct vmmc_coder *vmmc_module_to_coder(struct vmmc_module *module)
+{
+	return container_of(module, struct vmmc_coder, module);
+}
+
+static int vmmc_coder_enable(struct vmmc_module *module, bool enable)
+{
+	struct vmmc_coder *coder = vmmc_module_to_coder(module);
+
+	coder->enabled = enable;
+
+/*	coder->cmd_cache[0] = VMMC_CMD_CODER_DATA1(coder->enabled, 0, 0, 0, coder->id,
+		module->pins[0], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+	return vmmc_command_write(coder->vmmc, VMMC_CMD_CODER(coder->id),
+	coder->cmd_cache);*/
+	return 0;
+}
+
+static int vmmc_coder_sync(struct vmmc_module *module)
+{
+	struct vmmc_coder *coder = vmmc_module_to_coder(module);
+
+	coder->cmd_cache[0] = VMMC_CMD_CODER_DATA1(coder->enabled, 0, 1, 1, coder->id,
+		module->pins[0], 1, 1, 1, 1, 1, 1, 0, 0, 0, VMMC_CODER_ENCODING_MLAW);
+	coder->cmd_cache[1] = VMMC_CMD_CODER_DATA2(0x2000, 0x2000);
+	coder->cmd_cache[2] = VMMC_CMD_CODER_DATA3(0, 0, module->pins[1], 0,
+		module->pins[2], 0, module->pins[3], module->pins[4]);
+
+	return vmmc_command_write(coder->vmmc, VMMC_CMD_CODER(coder->id), coder->cmd_cache);
+}
+
+static const struct vmmc_module_ops vmmc_coder_module_ops = {
+	.sync = vmmc_coder_sync,
+	.enable = vmmc_coder_enable,
+};
+
+#define VMMC_CMD_CODER_JB(_chan) (_VMMC_MSG(6, 3, 18) | _VMMC_CHAN(_chan) | 8)
+#define VMMC_CMD_CODER_JB_DATA1(_sf, _prp, _pje, _dvf, _nam, _rad, _adap, _init_pod) \
+	(((_sf) << 31) | ((_prp) << 23) | ((_pje) << 22) | ((_dvf) << 21) | \
+	((_nam) << 20) | ((_rad) << 17) | ((_adap) << 16) | (_init_pod))
+#define VMMC_CMD_CODER_JB_DATA2(_min_pod, _max_pod) \
+	(((_min_pod) << 16) | (_max_pod))
+#define VMMC_CMD_CODER_JB_DATA3(_adap_factor, _min_margin, _mode) \
+	(((_adap_factor) << 24) | ((_min_margin) << 16) | (_mode))
+
+int vmmc_coder_init(struct vmmc_coder *coder, struct vmmc *vmmc, unsigned int id)
+{
+	int ret;
+
+	ret = vmmc_module_init(&coder->module, 5, &vmmc_coder_module_ops);
+	if (ret)
+		return ret;
+
+	coder->id = id;
+	coder->module.id = id + 0x18;
+	coder->vmmc = vmmc;
+	coder->enabled = 0;
+
+	coder->cmd_cache[0] = VMMC_CMD_CODER_DATA1(0, 0, 0, 0, id, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+	coder->cmd_cache[1] = VMMC_CMD_CODER_DATA2(0, 0);
+	coder->cmd_cache[2] = VMMC_CMD_CODER_DATA3(0, 0, 0, 0, 0, 0, 0, 0);
+	coder->cmd_cache[3] = VMMC_CMD_CODER_DATA4(0);
+
+	coder->jitter_buffer_cache[0] = VMMC_CMD_CODER_JB_DATA1(0x16, 1, 0, 0, 1, 1,
+	1, 0x50);
+	coder->jitter_buffer_cache[1] = VMMC_CMD_CODER_JB_DATA2(0x50, 0x05a0);
+	coder->jitter_buffer_cache[2] = VMMC_CMD_CODER_JB_DATA3(0x0d, 0x28, 1);
+
+	vmmc_command_write(coder->vmmc, VMMC_CMD_RTP_CFG_US(coder->id), payload_enc);
+	vmmc_command_write(coder->vmmc, VMMC_CMD_RTP_CFG_DS(coder->id), payload_dec);
+	vmmc_command_write(coder->vmmc, VMMC_CMD_CODER_JB(coder->id),
+	coder->jitter_buffer_cache);
+	vmmc_command_write(coder->vmmc, VMMC_CMD_CODER(coder->id), coder->cmd_cache);
+
+	vmmc_register_module(vmmc, &coder->module);
+
+	return ret;
+}
+
+void vmmc_coder_event(struct vmmc *vmmc, unsigned int chan, unsigned int type)
+{
+}
+
+/*
+void vmmc_coder_event(struct vmmc_coder *coder, unsigned int len)
+{
+	struct sk_buff *skb;
+	provide_mem_region(coder->vmmc, vmmc_coder_alloc_paket(coder)->head, 512);
+
+	skb = skb_dequeue(&coder->paket_queue);
+	skb_put(skb, len);
+
+	tapi_stream_recv(&coder->vmmc->tdev, skb);
+}
+*/
+/*
+int vmmc_coder_set_codec(struct vmmc_coder *coder, enum vmmc_codec codec)
+{
+}*/
+
+void vmmc_init_coders(struct vmmc *vmmc)
+{
+	unsigned int i;
+
+	payload_enc[0] = 0;
+	payload_enc[1] = 0x0;
+	payload_enc[1] |= vmmc_coder_payload_mapping[2] << 8;
+	payload_enc[1] |= vmmc_coder_payload_mapping[3] << 8;
+	for (i = 2; i < 9; ++i) {
+		payload_enc[i] = vmmc_coder_payload_mapping[i*4 - 4] << 24;
+		payload_enc[i] |= vmmc_coder_payload_mapping[i*4 - 3] << 16;
+		payload_enc[i] |= vmmc_coder_payload_mapping[i*4 - 2] << 8;
+		payload_enc[i] |= vmmc_coder_payload_mapping[i*4 - 1];
+		payload_enc[i] |= 0x80808080;
+	}
+	for (i = 0; i < 7; ++i) {
+		payload_dec[i] = vmmc_coder_payload_mapping[i*4 + 2] << 24;
+		payload_dec[i] |= vmmc_coder_payload_mapping[i*4 + 3] << 16;
+		payload_dec[i] |= vmmc_coder_payload_mapping[i*4 + 4] << 8;
+		payload_dec[i] |= vmmc_coder_payload_mapping[i*4 + 5];
+	}
+	payload_dec[i] = vmmc_coder_payload_mapping[i*4 + 2] << 24;
+	payload_dec[i] |= vmmc_coder_payload_mapping[i*4 + 3] << 16;
+
+
+	vmmc->num_coders = 5;
+	vmmc->coder = kcalloc(sizeof(*vmmc->coder), vmmc->num_coders, GFP_KERNEL);
+
+	for (i = 0; i < vmmc->num_coders; ++i)
+		vmmc_coder_init(&vmmc->coder[i], vmmc, i);
+}
+
+struct vmmc_coder *vmmc_coder_get(struct vmmc *vmmc)
+{
+	unsigned int i;
+	for (i = 0; i < vmmc->num_coders; ++i) {
+		if (!test_and_set_bit(i, &vmmc->coder_used))
+			return &vmmc->coder[i];
+	}
+
+	return NULL;
+}
+
+void vmmc_coder_put(struct vmmc *vmmc, struct vmmc_coder *coder)
+{
+	clear_bit(coder->id, &vmmc->coder_used);
+}

package/lqtapi/src/mps/vmmc-coder.h

@@ -0,0 +1,14 @@
+
+struct vmmc_coder {
+	struct vmmc *vmmc;
+	unsigned int id;
+
+	struct vmmc_module module;
+
+	unsigned int enabled;
+
+	uint32_t cmd_cache[4];
+	uint32_t jitter_buffer_cache[3];
+
+	struct tapi_stream *stream;
+};

package/lqtapi/src/mps/vmmc-core.c

@@ -0,0 +1,646 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+
+#include <linux/firmware.h>
+
+#include <linux/delay.h>
+
+#include <ifxmips_gptu.h>
+
+#include <linux/tapi/tapi.h>
+
+#include "vmmc.h"
+#include "mps.h"
+#include "mps-msg.h"
+#include "mps-irq.h"
+#include "vmmc-cmds.h"
+
+#include "vmmc-port.h"
+#include "vmmc-stream.h"
+#include "vmmc-link.h"
+#include "vmmc-coder.h"
+
+struct vmmc_capabilities {
+	uint8_t num_alm;
+	uint8_t num_pcm;
+	uint8_t num_signal;
+	uint8_t num_coder;
+	uint8_t num_agc;
+	uint8_t num_eq;
+	uint8_t num_nlec;
+	uint8_t num_wlec;
+	uint8_t num_nwlec;
+	uint8_t num_wwlec;
+	uint8_t num_tone_generators;
+	uint8_t num_dtmf_generators;
+	uint8_t num_caller_id_senders;
+	uint8_t num_caller_id_recivers;
+};
+
+#define MPS_FIRMWARE_MAGIC 0xcc123456
+
+struct vmmc_firmware_head {
+	uint32_t crc;
+	uint32_t crc_start_addr;
+	uint32_t crc_end_addr;
+	uint32_t version;
+	uint32_t encrypted;
+	uint32_t magic;
+	uint32_t mem;
+} __packed;
+
+#define VMMC_FIFO_UPSTREAM_CMD_BASE_ADDR	0x00
+#define VMMC_FIFO_UPSTREAM_CMD_SIZE_ADDR	0x04
+#define VMMC_FIFO_DOWNSTREAM_CMD_BASE_ADDR	0x08
+#define VMMC_FIFO_DOWNSTREAM_CMD_SIZE_ADDR	0x0c
+#define VMMC_FIFO_UPSTREAM_DATA_BASE_ADDR	0x10
+#define VMMC_FIFO_UPSTREAM_DATA_SIZE_ADDR	0x14
+#define VMMC_FIFO_DOWNSTREAM_DATA_BASE_ADDR	0x18
+#define VMMC_FIFO_DOWNSTREAM_DATA_SIZE_ADDR	0x1c
+#define VMMC_FIFO_UPSTREAM_CMD_TAIL_ADDR	0x20
+#define VMMC_FIFO_UPSTREAM_CMD_HEAD_ADDR	0x24
+#define VMMC_FIFO_DOWNSTREAM_CMD_TAIL_ADDR	0x28
+#define VMMC_FIFO_DOWNSTREAM_CMD_HEAD_ADDR	0x2c
+#define VMMC_FIFO_UPSTREAM_DATA_TAIL_ADDR	0x30
+#define VMMC_FIFO_UPSTREAM_DATA_HEAD_ADDR	0x34
+#define VMMC_FIFO_DOWNSTREAM_DATA_TAIL_ADDR	0x38
+#define VMMC_FIFO_DOWNSTREAM_DATA_HEAD_ADDR	0x3c
+
+#define VMMC_FIFO_EVENT_BASE_ADDR		0x180
+#define VMMC_FIFO_EVENT_SIZE_ADDR		0x184
+#define VMMC_FIFO_EVENT_TAIL_ADDR		0x188
+#define VMMC_FIFO_EVENT_HEAD_ADDR		0x18c
+
+
+/* Calculates the base of the fifo behind the given fifo */
+#define VMMC_NEXT_FIFO_BASE0(_fifo) \
+	(VMMC_FIFO_ ## _fifo ## _BASE + VMMC_FIFO_ ## _fifo ## _SIZE)
+#define VMMC_NEXT_FIFO_BASE1(_fifo) \
+	(VMMC_FIFO_ ## _fifo ## _BASE + VMMC_FIFO_ ## _fifo ## _SIZE)
+#define VMMC_NEXT_FIFO_BASE2(_fifo) \
+	(VMMC_FIFO_ ## _fifo ## _BASE + VMMC_FIFO_ ## _fifo ## _SIZE)
+
+/* Fifo sizes */
+#define VMMC_FIFO_UPSTREAM_CMD_SIZE	64
+#define VMMC_FIFO_DOWNSTREAM_CMD_SIZE	64
+#define VMMC_FIFO_UPSTREAM_DATA_SIZE	64
+#define VMMC_FIFO_DOWNSTREAM_DATA_SIZE	128
+#define VMMC_FIFO_EVENT_SIZE		64
+
+/* Fifo addresses */
+#define VMMC_FIFO_UPSTREAM_CMD_BASE	0x40
+#define VMMC_FIFO_DOWNSTREAM_CMD_BASE	VMMC_NEXT_FIFO_BASE0(UPSTREAM_CMD)
+#define VMMC_FIFO_UPSTREAM_DATA_BASE	VMMC_NEXT_FIFO_BASE1(DOWNSTREAM_CMD)
+#define VMMC_FIFO_DOWNSTREAM_DATA_BASE	VMMC_NEXT_FIFO_BASE2(UPSTREAM_DATA)
+#define VMMC_FIFO_EVENT_BASE		0x190
+
+#define VMMC_DECLARE_FIFO_CONFIG(_name, _fifo) \
+static const struct mps_fifo_config _name = { \
+	.tail_addr = VMMC_FIFO_ ## _fifo ## _TAIL_ADDR, \
+	.head_addr = VMMC_FIFO_ ## _fifo ## _HEAD_ADDR, \
+	.base_addr = VMMC_FIFO_ ## _fifo ## _BASE_ADDR, \
+	.size_addr = VMMC_FIFO_ ## _fifo ## _SIZE_ADDR, \
+	.base = VMMC_FIFO_ ## _fifo ## _BASE, \
+	.size = VMMC_FIFO_ ## _fifo ## _SIZE, \
+}
+
+VMMC_DECLARE_FIFO_CONFIG(vmmc_fifo_config_upstream_cmd, UPSTREAM_CMD);
+VMMC_DECLARE_FIFO_CONFIG(vmmc_fifo_config_downstream_cmd, DOWNSTREAM_CMD);
+VMMC_DECLARE_FIFO_CONFIG(vmmc_fifo_config_upstream_data, UPSTREAM_DATA);
+VMMC_DECLARE_FIFO_CONFIG(vmmc_fifo_config_downstream_data, DOWNSTREAM_DATA);
+VMMC_DECLARE_FIFO_CONFIG(vmmc_fifo_config_event, EVENT);
+
+static void vmmc_setup_fifos(struct vmmc *vmmc)
+{
+    mps_configure_mailbox(vmmc->mps, &vmmc->mbox_cmd,
+		&vmmc_fifo_config_upstream_cmd, &vmmc_fifo_config_downstream_cmd);
+    mps_configure_mailbox(vmmc->mps, &vmmc->mbox_data,
+		&vmmc_fifo_config_upstream_data, &vmmc_fifo_config_downstream_data);
+
+    mps_configure_fifo(vmmc->mps, &vmmc->fifo_event, &vmmc_fifo_config_event);
+}
+
+static uint32_t cram_data[] = {
+0x00200000, 0x00008e59, 0x165235cd, 0x17e2f141, 0xe3eef301, 0x0a431281,
+0x04fdf20d, 0x7fe363d5, 0xfd4b7333, 0x7ffffd44, 0xfcf80298, 0xfecd00c9,
+0xff900042, 0xfff70003, 0x000923b7, 0xe92a354d, 0xc8981f44, 0x9c0f1257,
+0x26aacf33, 0x27db9836, 0x10586f5b, 0x9c167d2d, 0x94b679a7, 0x8c227660,
+0x83fa7491, 0x7ce0826a, 0x7ff87ff4, 0x296b4e22, 0x76e67fff, 0x008ffc04,
+0x02cbfb36, 0x026afeba, 0x009effc3, 0x0013fffd, 0x23b7e92a, 0x354dc898,
+0x1f449c0f, 0x125726aa, 0xcf3327db, 0x98361058, 0x74bc93d6, 0x7ebc8f61,
+0x7d068986, 0x7b46833b, 0x7a3b7f00, 0x287a47b1, 0x05800367, 0x20ae2715,
+0x0fb5da12, 0x1935f53b, 0x01230240, 0xfc717f00, 0x2000d346,
+};
+
+static void vmmc_push_data_paket(struct vmmc *vmmc, int type, unsigned int chan,
+	void __iomem *addr, size_t len)
+{
+	uint32_t data[3];
+
+	data[0] = VMMC_VOICE_DATA(type, chan, 8);
+	data[1] = CPHYSADDR(addr);
+	data[2] = len;
+
+	mps_fifo_in(&vmmc->mbox_data.downstream, data, 3);
+}
+
+static struct sk_buff *vmmc_alloc_data_paket(struct vmmc *vmmc)
+{
+	struct sk_buff *skb;
+
+	skb = alloc_skb(512, GFP_KERNEL);
+
+	skb_queue_tail(&vmmc->recv_queue, skb);
+
+	return skb;
+}
+
+static void vmmc_provide_paket(struct vmmc *vmmc)
+{
+	struct sk_buff *skb = vmmc_alloc_data_paket(vmmc);
+	vmmc_push_data_paket(vmmc, CMD_ADDRESS_PACKET, 0, skb->data, skb->len);
+}
+
+static void vmmc_recv_paket(struct vmmc *vmmc, unsigned int chan, void __iomem *addr, size_t len)
+{
+	struct sk_buff *skb;
+	struct sk_buff *tmp;
+
+	skb_queue_walk_safe(&vmmc->recv_queue, skb, tmp) {
+		if (skb->data == addr)
+			break;
+	}
+
+	if (skb == (struct sk_buff *)(&vmmc->recv_queue)) {
+		printk("AHHHH\n");
+		return;
+	}
+
+	dma_cache_inv((u32)addr, len);
+	skb_unlink(skb, &vmmc->recv_queue);
+
+	if (!vmmc->coder[chan].stream) {
+		kfree_skb(skb);
+		return;
+	}
+
+	skb_put(skb, len);
+	tapi_stream_recv(&vmmc->tdev, vmmc->coder[chan].stream, skb);
+}
+
+void vmmc_send_paket(struct vmmc *vmmc, unsigned int chan, struct sk_buff *skb)
+{
+	skb_queue_tail(&vmmc->send_queue, skb);
+
+	dma_cache_wback((u32)skb->data, skb->len);
+	vmmc_push_data_paket(vmmc, CMD_RTP_VOICE_DATA_PACKET, chan, skb->data,
+		skb->len);
+}
+
+static void vmmc_free_paket(struct vmmc *vmmc, void __iomem *addr, size_t len)
+{
+	struct sk_buff *skb;
+	struct sk_buff *tmp;
+
+	skb_queue_walk_safe(&vmmc->send_queue, skb, tmp) {
+		if (skb->data == addr)
+			break;
+	}
+
+	if (skb == (struct sk_buff *)(&vmmc->send_queue)) {
+		printk("AHHHH\n");
+	} else {
+		skb_unlink(skb, &vmmc->send_queue);
+		kfree_skb(skb);
+	}
+}
+
+
+static void vmmc_write_cram_data(struct vmmc *vmmc, unsigned int id,
+	uint32_t *data, size_t length)
+{
+	size_t transfer_length;
+	size_t offset = 0;
+	uint32_t cmd;
+
+	length *= 4;
+	offset = 0x5;
+
+	while (length) {
+		transfer_length = length > 56 ? 56 : length;
+		cmd = VMMC_CMD_ALM_COEF(id, offset, transfer_length);
+		vmmc_command_write(vmmc, cmd, data);
+
+		data += transfer_length >> 2;
+		offset += transfer_length >> 1;
+		length -= transfer_length;
+	}
+}
+
+int vmmc_command_read(struct vmmc *vmmc, uint32_t cmd, uint32_t *result)
+{
+	struct mps_mailbox *mbox = &vmmc->mbox_cmd;
+
+	INIT_COMPLETION(vmmc->cmd_completion);
+
+	mps_fifo_in(&mbox->downstream, &cmd, 1);
+
+	wait_for_completion(&vmmc->cmd_completion);
+
+	mps_fifo_out(&mbox->upstream, result, 1);
+	mps_fifo_out(&mbox->upstream, result, (*result & 0xff) / 4);
+
+	return 0;
+}
+
+int vmmc_command_write(struct vmmc *vmmc, uint32_t cmd,
+	const uint32_t *data)
+{
+	struct mps_mailbox *mbox = &vmmc->mbox_cmd;
+/*	int i;
+
+	printk("cmd: %x\n", cmd);
+	for (i = 0; i < DIV_ROUND_UP((cmd & 0xff), 4); ++i) {
+		printk("data[%d] = %x\n", i, data[i]);
+	}
+*/
+	while (mps_fifo_len(&mbox->downstream) < (cmd & 0xff) + 4)
+		mdelay(100);
+
+	mps_fifo_in(&mbox->downstream, &cmd, 1);
+	mps_fifo_in(&mbox->downstream, data, DIV_ROUND_UP((cmd & 0xff), 4));
+
+	mdelay(100);
+
+	return 0;
+}
+
+static int vmmc_modules_sync(struct tapi_device *tapi)
+{
+	struct vmmc *vmmc = tdev_to_vmmc(tapi);
+	struct vmmc_module *module;
+
+	list_for_each_entry(module, &vmmc->modules, head)
+		vmmc_module_sync(module);
+
+	return 0;
+}
+
+static const struct tapi_ops vmmc_tapi_ops = {
+	.send_dtmf_event = vmmc_port_send_dtmf_event,
+	.ring = vmmc_port_ring,
+
+	.sync = vmmc_modules_sync,
+
+	.stream_alloc = vmmc_stream_alloc,
+	.stream_free = vmmc_stream_free,
+	.stream_send = vmmc_stream_send,
+
+	.link_alloc = vmmc_tapi_link_alloc,
+	.link_free = vmmc_tapi_link_free,
+	.link_enable = vmmc_tapi_link_enable,
+	.link_disable = vmmc_tapi_link_disable,
+};
+
+static void setup_alm(struct vmmc *vmmc)
+{
+	int i;
+
+	vmmc->tdev.ports = kcalloc(2, sizeof(*vmmc->tdev.ports), GFP_KERNEL);
+	vmmc->ports = kcalloc(2, sizeof(*vmmc->ports), GFP_KERNEL);
+
+	for (i = 0; i < 2; ++i)
+		vmmc_port_init(vmmc, &vmmc->ports[i], &vmmc->tdev.ports[i], i);
+
+	skb_queue_head_init(&vmmc->send_queue);
+	skb_queue_head_init(&vmmc->recv_queue);
+
+	for (i = 0; i < 10; ++i)
+		vmmc_provide_paket(vmmc);
+
+	vmmc->tdev.num_ports = 2;
+	vmmc->tdev.ops = &vmmc_tapi_ops;
+	tapi_device_register(&vmmc->tdev, "vmmc", vmmc->dev);
+}
+
+static void vmmc_init_timer(struct vmmc *vmmc)
+{
+	unsigned int timer;
+	unsigned int timer_flags;
+	int ret;
+	unsigned long loops, count;
+
+	timer = TIMER1B;
+
+	timer_flags =
+	  TIMER_FLAG_16BIT | TIMER_FLAG_COUNTER | TIMER_FLAG_CYCLIC |
+	  TIMER_FLAG_DOWN | TIMER_FLAG_FALL_EDGE | TIMER_FLAG_SYNC |
+	  TIMER_FLAG_CALLBACK_IN_IRQ;
+	ret = ifxmips_request_timer (timer, timer_flags, 1, 0, 0);
+	if (ret < 0) {
+		printk("FAILED TO INIT TIMER\n");
+		return;
+	}
+	ret = ifxmips_start_timer (timer, 0);
+	if (ret < 0) {
+		printk("FAILED TO START TIMER\n");
+		return;
+	}
+	do
+	{
+		loops++;
+		ifxmips_get_count_value(timer, &count);
+	} while (count);
+
+	*((volatile uint32_t *) (KSEG1 + 0x1e100a00 + 0x0014)) = 0x000005c5;
+}
+
+static void vmmc_free_timer(struct vmmc *vmmc)
+{
+	ifxmips_free_timer(TIMER1B);
+}
+
+static void vmmc_get_capabilities(struct vmmc *vmmc)
+{
+	uint32_t data[10];
+	uint8_t len;
+
+	vmmc_command_read(vmmc,
+		MPS_MSG_CMD_EOP_SYSTEM(SYS_CAP_ECMD, sizeof(uint32_t)), data);
+
+	len = ((data[0] >> 16) & 0xff) - sizeof(uint32_t);
+
+	if (len > sizeof(data))
+		len = sizeof(data);
+
+	vmmc_command_read(vmmc,
+		MPS_MSG_CMD_EOP_SYSTEM(SYS_CAP_ECMD, len), data);
+
+	len /= 4;
+
+/*	for (;len > 0; --len) {
+		printk("fw cap(%d): %.2x\n", 10-len, data[10-len]);
+	}
+*/
+	setup_alm(vmmc);
+}
+
+static void vmmc_get_firmware_version(struct vmmc *vmmc)
+{
+	uint32_t data[1];
+
+	vmmc_command_read(vmmc, MPS_CMD_GET_VERSION, data);
+
+	printk("firmware version: %x\n", *data);
+
+	vmmc_get_capabilities(vmmc);
+}
+
+static irqreturn_t vmmc_firmware_loaded_irq(int irq, void *devid)
+{
+	struct vmmc *vmmc = devid;
+	complete(&vmmc->firmware_loaded_completion);
+	printk("Firmware loaded irq\n");
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t vmmc_cmd_error_irq(int irq, void *devid)
+{
+/*	struct vmmc *vmmc = devid;*/
+
+	printk("cmd error!!!!\n");
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t vmmc_recv_ov_irq(int irq, void *devid)
+{
+	struct vmmc *vmmc = devid;
+	uint32_t data[2] = {
+		VMMC_CMD_SERR_ACK(0),
+		VMMC_CMD_SERR_ACK_DATA1(1)
+	};
+	uint32_t voice_data[64];
+
+	return IRQ_HANDLED;
+
+	mps_fifo_in(&vmmc->mbox_cmd.downstream, data, 2);
+	mps_fifo_out(&vmmc->mbox_data.upstream, voice_data, 15);
+
+	printk("recv overflow: %x\n", voice_data[0]);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t vmmc_event_fifo_irq(int irq, void *devid)
+{
+	struct vmmc *vmmc = devid;
+	uint32_t event, event_id;
+	uint32_t data = 0;
+	unsigned int chan;
+
+	mps_fifo_out(&vmmc->fifo_event, &event, 1);
+
+	event_id = event & VMMC_EVENT_ID_MASK;
+	chan = VMMC_MSG_GET_CHAN(event);
+
+	if (event & 0xff)
+		mps_fifo_out(&vmmc->fifo_event, &data, 1);
+
+	switch (event_id) {
+	case VMMC_EVENT_HOOK_ID:
+		vmmc_alm_hook_event_handler(vmmc, chan, data);
+		break;
+	case VMMC_EVENT_DTMF_ID:
+		vmmc_sig_dtmf_event_handler(vmmc, chan, data);
+		break;
+	default:
+		printk("Ein unbekanntes Event: %x %x\n", event, data);
+		break;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t vmmc_mbox_data_irq_handler(int irq, void *devid)
+{
+	struct vmmc *vmmc = devid;
+	struct mps_mailbox *mbox = &vmmc->mbox_data;
+	unsigned int count, type, chan;
+	uint32_t data[2];
+	void __iomem *addr;
+	size_t len;
+
+	mps_fifo_out(&mbox->upstream, data, 1);
+
+	count = (data[0] & 0xff) / 8;
+	type = (data[0] >> 24) & 0xff;
+	chan = (data[0] >> 16) & 0xff;
+
+	while (count) {
+		mps_fifo_out(&mbox->upstream, data, 2);
+
+		addr = (void __iomem *)CKSEG0ADDR(data[0]);
+		len = data[1];
+
+		switch (type) {
+		case CMD_ADDRESS_PACKET:
+			vmmc_free_paket(vmmc, addr, len);
+			break;
+		case CMD_RTP_VOICE_DATA_PACKET:
+			vmmc_provide_paket(vmmc);
+			vmmc_recv_paket(vmmc, chan, addr, len);
+			break;
+		}
+		--count;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t vmmc_mbox_cmd_irq_handler(int irq, void *devid)
+{
+	struct vmmc *vmmc = devid;
+
+	complete(&vmmc->cmd_completion);
+
+	return IRQ_HANDLED;
+}
+
+static void vmmc_load_firmware(const struct firmware *fw, void *context)
+{
+	struct vmmc *vmmc = context;
+	struct vmmc_firmware_head *fw_head;
+	size_t tail_size;
+	enum mps_boot_config config;
+
+	if (!fw) {
+		printk("failed to load tapi firmware\n");
+//		request_firmware_nowait(THIS_MODULE, 1, "danube_firmware.bin", vmmc->dev,
+//			GFP_KERNEL, vmmc, vmmc_load_firmware);
+		return;
+	}
+
+	if (fw->size < sizeof(*fw_head))
+		return;
+
+	fw_head = (struct vmmc_firmware_head *)((uint8_t *)fw->data + fw->size - sizeof(*fw_head));
+
+	if (fw_head->magic != MPS_FIRMWARE_MAGIC) {
+		config = MPS_BOOT_LEGACY;
+		tail_size = sizeof(uint32_t);
+	} else {
+		config = MPS_BOOT_ENCRYPTED;
+		tail_size = sizeof(*fw_head) - sizeof(uint32_t);
+	}
+
+	vmmc_setup_fifos(vmmc);
+	init_completion(&vmmc->firmware_loaded_completion);
+	mps_load_firmware(vmmc->mps, fw->data, fw->size - tail_size, config);
+	wait_for_completion_timeout(&vmmc->firmware_loaded_completion, 5*HZ);
+	vmmc_init_timer(vmmc);
+	vmmc_write_cram_data(vmmc, 0, cram_data, ARRAY_SIZE(cram_data));
+	vmmc_write_cram_data(vmmc, 1, cram_data, ARRAY_SIZE(cram_data));
+	vmmc_get_firmware_version(vmmc);
+	vmmc_init_coders(vmmc);
+}
+
+static int vmmc_request_irqs(struct vmmc *vmmc)
+{
+	int ret;
+
+	ret = request_irq(vmmc->irq_fw_loaded, vmmc_firmware_loaded_irq, 0, "vmmc fw loaded", vmmc);
+	ret = request_irq(vmmc->irq_event_fifo, vmmc_event_fifo_irq, 0, "vmmc event fifo", vmmc);
+	ret = request_irq(vmmc->irq_cmd_error, vmmc_cmd_error_irq, 0,
+		"cmd error irq", vmmc);
+	ret = request_irq(MPS_IRQ_RCV_OVERFLOW, vmmc_recv_ov_irq, 0,
+		"recv_ov irq", vmmc);
+
+	ret = request_irq(vmmc->irq_mbox_cmd, vmmc_mbox_cmd_irq_handler, 0,
+		"vmmc cmd mailbox irq", vmmc);
+
+	ret = request_irq(vmmc->irq_mbox_data, vmmc_mbox_data_irq_handler, 0,
+		"vmmc data mailbox irq", vmmc);
+
+	return ret;
+}
+
+static int __devinit vmmc_probe(struct platform_device *pdev)
+{
+	struct vmmc *vmmc;
+	int ret = 0;
+
+	vmmc = kzalloc(sizeof(*vmmc), GFP_KERNEL);
+
+	if (!vmmc)
+		return -ENOMEM;
+
+	vmmc->dev = &pdev->dev;
+	vmmc->mps = device_to_mps(pdev->dev.parent);
+
+	if (!vmmc->mps) {
+		goto err_free;
+		ret = -EBUSY;
+	}
+
+	INIT_LIST_HEAD(&vmmc->modules);
+	init_completion(&vmmc->cmd_completion);
+
+	vmmc->irq_fw_loaded = MPS_IRQ_DOWNLOAD_DONE;
+	vmmc->irq_mbox_cmd = MPS_IRQ_CMD_UPSTREAM;
+	vmmc->irq_mbox_data = MPS_IRQ_DATA_UPSTREAM;
+	vmmc->irq_event_fifo = MPS_IRQ_EVENT;
+	vmmc->irq_cmd_error = MPS_IRQ_CMD_ERROR;
+
+	platform_set_drvdata(pdev, vmmc);
+
+	vmmc_request_irqs(vmmc);
+
+	request_firmware_nowait(THIS_MODULE, 1, "danube_firmware.bin", &pdev->dev,
+		GFP_KERNEL, vmmc, vmmc_load_firmware);
+
+	return 0;
+
+err_free:
+	kfree(vmmc);
+
+	return ret;
+}
+
+static int __devexit vmmc_remove(struct platform_device *pdev)
+{
+	struct vmmc *vmmc = platform_get_drvdata(pdev);
+	vmmc_free_timer(vmmc);
+
+	tapi_device_unregister(&vmmc->tdev);
+
+	return 0;
+}
+
+static struct platform_driver vmmc_driver = {
+	.probe = vmmc_probe,
+	.remove = __devexit_p(vmmc_remove),
+	.driver = {
+		.name = "vmmc",
+		.owner = THIS_MODULE
+	},
+};
+
+static int __init vmmc_init(void)
+{
+	return platform_driver_register(&vmmc_driver);
+}
+module_init(vmmc_init);
+
+static void __exit vmmc_exit(void)
+{
+	platform_driver_unregister(&vmmc_driver);
+}
+module_exit(vmmc_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");

package/lqtapi/src/mps/vmmc-link.c

@@ -0,0 +1,52 @@
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/tapi/tapi.h>
+
+#include "vmmc-link.h"
+#include "vmmc-module.h"
+
+struct vmmc_tapi_link {
+	struct tapi_link tapi_link;
+	struct vmmc_link vmmc_link;
+};
+
+struct tapi_link *vmmc_tapi_link_alloc(struct tapi_device *tdev,
+	struct tapi_endpoint *ep1, struct tapi_endpoint *ep2)
+{
+	struct vmmc_tapi_link *link = kzalloc(sizeof(*link), GFP_KERNEL);
+	struct vmmc_module *module1 = tapi_endpoint_to_vmmc_module(ep1);
+	struct vmmc_module *module2 = tapi_endpoint_to_vmmc_module(ep2);
+
+	vmmc_link_init(&link->vmmc_link, module1, module2);
+
+	return &link->tapi_link;
+}
+
+void vmmc_tapi_link_free(struct tapi_device *tdev, struct tapi_link *tapi_link)
+{
+	struct vmmc_tapi_link *link = container_of(tapi_link, struct vmmc_tapi_link,
+		tapi_link);
+
+	vmmc_link_put(&link->vmmc_link);
+	kfree(link);
+}
+
+int vmmc_tapi_link_enable(struct tapi_device *tdev,
+	struct tapi_link *tapi_link)
+{
+	struct vmmc_tapi_link *link = container_of(tapi_link, struct vmmc_tapi_link,
+		tapi_link);
+
+	vmmc_link_enable(&link->vmmc_link);
+	return 0;
+}
+
+int vmmc_tapi_link_disable(struct tapi_device *tdev,
+	struct tapi_link *tapi_link)
+{
+	struct vmmc_tapi_link *link = container_of(tapi_link, struct vmmc_tapi_link,
+		tapi_link);
+
+	vmmc_link_disable(&link->vmmc_link);
+	return 0;
+}

package/lqtapi/src/mps/vmmc-link.h

@@ -0,0 +1,10 @@
+#ifndef __VMMC_LINK_H__
+#define __VMMC_LINK_H__
+
+struct tapi_link *vmmc_tapi_link_alloc(struct tapi_device *tdev,
+	struct tapi_endpoint *ep1, struct tapi_endpoint *ep2);
+void vmmc_tapi_link_free(struct tapi_device *tdev, struct tapi_link *link);
+int vmmc_tapi_link_enable(struct tapi_device *tdev, struct tapi_link *link);
+int vmmc_tapi_link_disable(struct tapi_device *tdev, struct tapi_link *link);
+
+#endif

package/lqtapi/src/mps/vmmc-module.c

@@ -0,0 +1,130 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+
+#include <asm/bitops.h>
+
+#include "vmmc-module.h"
+
+int vmmc_module_init(struct vmmc_module *module, size_t num_pins,
+	const struct vmmc_module_ops *ops)
+{
+	module->pins = kcalloc(num_pins, sizeof(*module->pins), GFP_KERNEL);
+
+	if (!module->pins)
+		return -ENOMEM;
+
+	module->num_pins = num_pins;
+	module->ops = ops;
+
+	mutex_init(&module->lock);
+	module->refcount = 0;
+
+	return 0;
+}
+
+int vmmc_module_sync(struct vmmc_module *module)
+{
+	if (!test_and_clear_bit(VMMC_MODULE_FLAG_MODIFIED, &module->flags))
+		return 0;
+
+	return module->ops->sync(module);
+}
+
+int vmmc_module_get_pin(struct vmmc_module *module)
+{
+	size_t i = 0;
+	int ret = 0;
+
+	for (i = 0; i < module->num_pins; ++i) {
+		if (!test_and_set_bit(VMMC_MODULE_FLAG_PIN_USED(i), &module->flags))
+			break;
+	}
+	if (i == module->num_pins)
+		ret = -EBUSY;
+	else
+		ret = i;
+
+	return ret;
+}
+
+void vmmc_module_put_pin(struct vmmc_module *module, unsigned int pin)
+{
+	module->pins[pin] = 0;
+	clear_bit(VMMC_MODULE_FLAG_PIN_USED(pin), &module->flags);
+}
+
+void vmmc_module_set_pin_input(struct vmmc_module *module, unsigned int pin,
+	struct vmmc_module *input)
+{
+	if (input)
+		module->pins[pin] = input->id;
+	else
+		module->pins[pin] = 0;
+
+	set_bit(VMMC_MODULE_FLAG_MODIFIED, &module->flags);
+}
+
+static void vmmc_module_enable(struct vmmc_module *module)
+{
+	mutex_lock(&module->lock);
+
+	if (++module->refcount == 1)
+		module->ops->enable(module, true);
+
+	mutex_unlock(&module->lock);
+}
+
+static void vmmc_module_disable(struct vmmc_module *module)
+{
+	mutex_lock(&module->lock);
+
+	if (module->refcount <= 0)
+		printk(KERN_ERR "vmmc module: unbalanced disable\n");
+	else if (--module->refcount == 0)
+		module->ops->enable(module, false);
+
+	mutex_unlock(&module->lock);
+}
+
+
+unsigned int vmmc_link_init(struct vmmc_link *link,
+	struct vmmc_module *a, struct vmmc_module *b)
+{
+	link->pins[0] = vmmc_module_get_pin(a);
+	link->pins[1] = vmmc_module_get_pin(b);
+	link->modules[0] = a;
+	link->modules[1] = b;
+
+	return 0;
+}
+
+void vmmc_link_put(struct vmmc_link *link)
+{
+	vmmc_link_disable(link);
+	vmmc_module_sync(link->modules[0]);
+	vmmc_module_sync(link->modules[1]);
+	vmmc_module_put_pin(link->modules[0], link->pins[0]);
+	vmmc_module_put_pin(link->modules[1], link->pins[1]);
+}
+
+void vmmc_link_enable(struct vmmc_link *link)
+{
+	vmmc_module_set_pin_input(link->modules[0], link->pins[0],
+		link->modules[1]);
+	vmmc_module_set_pin_input(link->modules[1], link->pins[1],
+		link->modules[0]);
+
+	vmmc_module_enable(link->modules[0]);
+	vmmc_module_enable(link->modules[1]);
+}
+
+void vmmc_link_disable(struct vmmc_link *link)
+{
+	vmmc_module_set_pin_input(link->modules[0], link->pins[0], NULL);
+	vmmc_module_set_pin_input(link->modules[1], link->pins[1], NULL);
+
+	vmmc_module_disable(link->modules[0]);
+	vmmc_module_disable(link->modules[1]);
+}

package/lqtapi/src/mps/vmmc-module.h

@@ -0,0 +1,64 @@
+#ifndef __VMMC_MODULE_H__
+#define __VMMC_MODULE_H__
+
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/tapi/tapi.h>
+
+struct vmmc_module;
+
+struct vmmc_module_ops {
+	int (*sync)(struct vmmc_module *);
+	int (*enable)(struct vmmc_module *, bool enable);
+};
+
+struct vmmc_module
+{
+	unsigned int id;
+
+	size_t num_pins;
+	unsigned int *pins;
+
+	const struct vmmc_module_ops *ops;
+
+	unsigned long flags;
+#define VMMC_MODULE_FLAG_PIN_USED(x) (x)
+#define VMMC_MODULE_FLAG_MODIFIED 31
+	struct mutex lock;
+	struct list_head head;
+
+	unsigned int refcount;
+};
+
+int vmmc_module_init(struct vmmc_module *module, size_t num_pins,
+	const struct vmmc_module_ops *ops);
+int vmmc_module_sync(struct vmmc_module *module);
+
+struct vmmc_link {
+	struct vmmc_module *modules[2];
+	unsigned int pins[2];
+};
+
+struct vmmc_endpoint {
+	struct tapi_endpoint ep;
+	struct vmmc_module *module;
+};
+
+void vmmc_link_enable(struct vmmc_link *link);
+void vmmc_link_disable(struct vmmc_link *link);
+unsigned int vmmc_link_init(struct vmmc_link *link, 
+	struct vmmc_module *a, struct vmmc_module *b);
+void vmmc_link_put(struct vmmc_link *link);
+
+int vmmc_module_get_pin(struct vmmc_module *module);
+void vmmc_module_put_pin(struct vmmc_module *module, unsigned int pin);
+void vmmc_module_set_pin_input(struct vmmc_module *module, unsigned int pin,
+	struct vmmc_module *input);
+
+
+static inline struct vmmc_module *tapi_endpoint_to_vmmc_module(struct tapi_endpoint *ep)
+{
+	return tapi_endpoint_get_data(ep);
+}
+
+#endif

package/lqtapi/src/mps/vmmc-port.c

@@ -0,0 +1,48 @@
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include <linux/tapi/tapi.h>
+
+#include "vmmc.h"
+#include "vmmc-port.h"
+#include "vmmc-alm.h"
+#include "vmmc-sig.h"
+
+int vmmc_port_ring(struct tapi_device *tdev, struct tapi_port *port, bool ring)
+{
+	struct vmmc *vmmc = tdev_to_vmmc(tdev);
+
+	return vmmc_alm_set_state(&vmmc->ports[port->id].alm,
+		ring ? VMMC_ALM_STATE_RING : VMMC_ALM_STATE_ONHOOK);
+}
+
+int vmmc_port_send_dtmf_event(struct tapi_device *tdev,
+	struct tapi_port *port, struct tapi_dtmf_event *event)
+{
+	return 0;
+}
+
+struct vmmc_port *vmmc_port_init(struct vmmc *vmmc, struct vmmc_port *port,
+	struct tapi_port *tport, unsigned int id)
+{
+	vmmc_alm_init(&port->alm, vmmc, id);
+	vmmc_sig_init(&port->sig, vmmc, id);
+
+	port->sig_pin = vmmc_module_get_pin(&port->sig.module);
+	vmmc_module_set_pin_input(&port->sig.module, port->sig_pin,
+		&port->alm.module);
+
+	vmmc_module_sync(&port->sig.module);
+
+	vmmc_alm_set_state(&port->alm, VMMC_ALM_STATE_ONHOOK);
+
+	tport->id = id;
+	tapi_endpoint_set_data(&tport->ep, &port->alm.module);
+
+	return port;
+}
+
+void vmmc_port_put(struct vmmc *vmmc, struct vmmc_port *port)
+{
+	vmmc_module_put_pin(&port->sig.module, port->sig_pin);
+}

package/lqtapi/src/mps/vmmc-port.h

@@ -0,0 +1,22 @@
+#ifndef __VMMC_PORT_H__
+#define __VMMC_PORT_H__
+
+#include "vmmc-alm.h"
+#include "vmmc-sig.h"
+
+void vmmc_port_free(struct vmmc *vmmc, struct vmmc_port *port);
+
+int vmmc_port_ring(struct tapi_device *tdev, struct tapi_port *port, bool ring);
+int vmmc_port_send_dtmf_event(struct tapi_device *tdev,
+	struct tapi_port *port, struct tapi_dtmf_event *event);
+struct vmmc_port *vmmc_port_init(struct vmmc *vmmc, struct vmmc_port *port,
+struct tapi_port *tport, unsigned int id);
+
+struct vmmc_port
+{
+	struct vmmc_alm alm;
+	struct vmmc_sig sig;
+	unsigned int sig_pin;
+};
+
+#endif

package/lqtapi/src/mps/vmmc-sig.h

@@ -0,0 +1,19 @@
+#ifndef __VMMC_SIG_H__
+#define __VMMC_SIG_H__
+
+#include "vmmc-module.h"
+
+struct vmmc_sig {
+	struct vmmc *vmmc;
+	unsigned int id;
+	struct vmmc_module module;
+
+	uint32_t sig_cache;
+	uint32_t dtmfr_cache;
+};
+
+int vmmc_sig_init(struct vmmc_sig *sig, struct vmmc *vmmc, unsigned int id);
+
+void vmmc_sig_dtmf_event_handler(struct vmmc *vmmc, uint32_t event, uint32_t data);
+
+#endif

package/lqtapi/src/mps/vmmc-signal.c

@@ -0,0 +1,69 @@
+#include <linux/kernel.h>
+
+#include "vmmc.h"
+#include "vmmc-sig.h"
+#include "vmmc-cmds.h"
+
+static struct vmmc_sig *vmmc_module_to_sig(struct vmmc_module *module)
+{
+	return container_of(module, struct vmmc_sig, module);
+}
+
+static int vmmc_sig_enable(struct vmmc_module *module, bool enabled)
+{
+	struct vmmc_sig *sig = vmmc_module_to_sig(module);
+
+	return 0;
+
+	sig->sig_cache = VMMC_CMD_SIG_SET_ENABLE(sig->sig_cache, enabled);
+
+	return vmmc_command_write(sig->vmmc, VMMC_CMD_SIG(sig->id), &sig->sig_cache);
+}
+
+static int vmmc_sig_sync(struct vmmc_module *module)
+{
+	struct vmmc_sig *sig = vmmc_module_to_sig(module);
+
+	sig->sig_cache = VMMC_CMD_SIG_SET_INPUTS(sig->sig_cache,
+		module->pins[0], module->pins[1]);
+
+	vmmc_command_write(sig->vmmc, VMMC_CMD_SIG(sig->id),
+		&sig->sig_cache);
+
+	return vmmc_command_write(sig->vmmc, VMMC_CMD_DTMFR(sig->id),
+		&sig->dtmfr_cache);
+}
+
+static const struct vmmc_module_ops vmmc_sig_ops = {
+	.enable = vmmc_sig_enable,
+	.sync = vmmc_sig_sync,
+};
+
+int vmmc_sig_init(struct vmmc_sig *sig, struct vmmc *vmmc, unsigned int id)
+{
+	int ret;
+
+	ret = vmmc_module_init(&sig->module, 2, &vmmc_sig_ops);
+	if (ret)
+		return ret;
+
+	sig->id = id;
+	sig->module.id = id + 0x1e;
+	sig->vmmc = vmmc;
+	sig->sig_cache = VMMC_CMD_SIG_DATA(1, 1, 0, 0, 0, 0, 0);
+	sig->dtmfr_cache = VMMC_CMD_DTMFR_DATA(1, 1, id);
+
+	vmmc_register_module(vmmc, &sig->module);
+
+	vmmc_command_write(sig->vmmc, VMMC_CMD_SIG(sig->id),
+		&sig->sig_cache);
+	vmmc_command_write(sig->vmmc, VMMC_CMD_DTMFR(sig->id),
+		&sig->dtmfr_cache);
+
+	return ret;
+}
+
+void vmmc_sig_dtmf_event_handler(struct vmmc *vmmc, uint32_t id, uint32_t data)
+{
+	tapi_report_dtmf_event(&vmmc->tdev, &vmmc->tdev.ports[id], data & 0xf);
+}

package/lqtapi/src/mps/vmmc-stream.c

@@ -0,0 +1,73 @@
+#include <linux/kernel.h>
+#include <linux/tapi/tapi.h>
+#include <linux/skbuff.h>
+
+#include "vmmc.h"
+#include "vmmc-coder.h"
+
+struct vmmc_tapi_stream {
+	struct vmmc_coder *coder;
+	struct tapi_stream stream;
+};
+
+struct vmmc_tapi_stream *tapi_to_vmmc_stream(struct tapi_stream * stream)
+{
+	return container_of(stream, struct vmmc_tapi_stream, stream);
+}
+
+struct tapi_stream *vmmc_stream_alloc(struct tapi_device *tdev)
+{
+	struct vmmc *vmmc = tdev_to_vmmc(tdev);
+	struct vmmc_tapi_stream *stream;
+	struct vmmc_coder *coder;
+
+	coder = vmmc_coder_get(vmmc);
+	if (!coder)
+		return ERR_PTR(-ENODEV);
+
+	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+	if (!stream)
+		return ERR_PTR(-ENOMEM);
+
+	stream->coder = coder;
+	coder->stream = &stream->stream;
+	tapi_endpoint_set_data(&stream->stream.ep, &coder->module);
+
+	return &stream->stream;
+}
+
+void vmmc_stream_free(struct tapi_device *tdev, struct tapi_stream *tstream)
+{
+	struct vmmc *vmmc = tdev_to_vmmc(tdev);
+	struct vmmc_tapi_stream *stream = tapi_to_vmmc_stream(tstream);
+
+	stream->coder->stream = NULL;
+
+	vmmc_coder_put(vmmc, stream->coder);
+	kfree(stream);
+}
+
+int vmmc_stream_start(struct tapi_device *tdev, struct tapi_stream *stream)
+{
+	return 0;
+}
+
+int vmmc_stream_stop(struct tapi_device *tdev, struct tapi_stream *stream)
+{
+	return 0;
+}
+
+int vmmc_stream_send(struct tapi_device *tdev, struct tapi_stream *stream,
+	struct sk_buff *skb)
+{
+	struct vmmc *vmmc = tdev_to_vmmc(tdev);
+	struct vmmc_coder *coder = tapi_to_vmmc_stream(stream)->coder;
+
+	vmmc_send_paket(vmmc, coder->id, skb);
+	return 0;
+}
+/*
+int vmmc_stream_recv(struct vmmc_stream *stream)
+{
+	tapi_stream_recv(&stream->coder->vmmc->tdev stream->stream, skb);
+}*/

package/lqtapi/src/mps/vmmc-stream.h

@@ -0,0 +1,10 @@
+#ifndef __VMMC_STREAM_H__
+#define __VMMC_STREAM_H__
+
+struct tapi_stream *vmmc_stream_alloc(struct tapi_device *tdev);
+void vmmc_stream_free(struct tapi_device *tdev, struct tapi_stream *stream);
+int vmmc_stream_start(struct tapi_device *tdev, struct tapi_stream *stream);
+int vmmc_stream_send(struct tapi_device *tdev, struct tapi_stream *stream,
+	struct sk_buff *skb);
+
+#endif

package/lqtapi/src/mps/vmmc.c

@@ -0,0 +1,90 @@
+static uint32_t magic_init[] = {
+/* ALI INIT */
+/*0x0601210c, 0x88002000, 0x20000000, 0x00000000, 0xffffffff,*/
+/* COD_CHAN_SPEECH_ECMD */
+/*0x06016110, 0x2462f700, 0x20002000, 0x00000000, 0x00000000, 0xffffffff,*/
+/* COD_DEC_STAT_ECMD */
+/*0x06017504, 0x00c00000, 0xffffffff,*/
+/* COD_JB_CONF_ECMD */
+/*0x06017208, 0x16410050, 0x005005a0, 0xffffffff,*/
+/* SIG_RTP_SUP */
+/*0x0601500c, 0x00000000, 0x00000060, 0x0712007f, 0xffffffff,*/
+/* SIG_CHAN */
+/*0x06014104, 0xc0190000, 0xffffffff,*/
+/* SIG_CIDS_CTRL_ECMD */
+/*0x06014204, 0x3811e000, 0xffffffff, */
+/* SIG_DTMFATG_DATA */
+/*0x06014b04, 0x00010000, 0xffffffff,*/
+/* SIG_DTMFATG_CTRL */
+/*0x06014304, 0x6a110000, 0xffffffff,
+0x0601cc04, 0xe21c2000, 0xffffffff,
+0x06014404, 0xb0110000, 0xffffffff,
+0x06014a04, 0x04510000, 0xffffffff,
+0x06014604, 0x04560000, 0xffffffff,
+0x06014104, 0xc0190000, 0xffffffff,*/
+/* COD_CHAN_RTP_SUP_CFG_USD */
+/*0x06017124, 0x00000000, 0x00008880, 0xe3e4e5e6, 0x72727272, 0x72727272,
+0x0f7f1261, 0x7374097f, 0xf1f06767, 0x04047675, 0xffffffff,*/
+/* COD_CHAN_RTP_SUP_CFG_DS */
+/* 0x06017920, 0x08006364, 0x65667272, 0x72727272, 0x72720f7f, 0x12617374,
+0x097f7170, 0x67670404, 0x76750000, 0xffffffff, */
+/* OPMODE_CMD */
+0x01010004, 0x00010000, 0xffffffff,
+0x01000004, 0x00030000, 0xffffffff,
+/*0x01010004, 0x00010000, 0xffffffff,*/
+/* COD_CHAN_RTP_SUP_CFG_US */
+/* 0x06017124, 0x00000000, 0x00008880, 0xe3e4e5e6, 0x72727272, 0x72727272,
+0x0f7f1261, 0x7374097f, 0xf1f06767, 0x04047675, 0xffffffff, */
+/* COD_CHAN_RTP_SUP_CFG_DS */
+/* 0x06017920, 0x08006364, 0x65667272, 0x72727272, 0x72720f7f, 0x12617374,
+0x097f7170, 0x67670404, 0x76750000, 0xffffffff, */
+/* COD_JB_CONF */
+/* 0x06017208, 0x16410050, 0x005005a0, 0xffffffff, */
+/* COD_CHAN_RTP_SUP_CFG_US */
+/*0x06017108, 0x00000000, 0x00008880, 0xffffffff,*/
+/* COD_CHAN_RTP_TIMESTAMP */
+/*0x06017004, 0x00000000, 0xffffffff,*/
+/* SIG_RTP_SUP */
+/* 0x0601500c, 0x00000000, 0x00000062, 0x0712007f, 0xffffffff,*/
+/* SIG_DTMFR_CTRL */
+/*0x06014404, 0xb0010000, 0xffffffff,*/
+/* COD_CHAN_SPEECH */
+/* 0x06016110, 0x0462d600, 0x20002000, 0x00000000, 0x00000000, 0xffffffff, */
+/* ALI_CHAN */
+0x0601210c, 0x88232000, 0x20000000, 0x00000000, 0xffffffff,
+/* SIG_CHAN */
+/*0x06014104, 0xc5190000, 0xffffffff,*/
+/* SIG_DTMFR_CTRL_ECMD */
+/*0x06014404, 0x30010000, 0xffffffff,*/
+/* SIG_CHAN_ECMD */
+/*0x06014104, 0x45190000, 0xffffffff,*/
+};
+
+static void setup_alm(struct mps *mps, int chan)
+{
+	uint32_t *data = magic_init;
+	int size, i;
+
+/*	data[0] = ALI_CHAN_DATA1(1, 0, 0, 1, 1, 0, 0);
+	data[1] = ALI_CHAN_DATA2(0, 0, 0);
+	data[2] = ALI_CHAN_DATA3(0, 0);*/
+
+	size = 1;
+	for (i = 1; i < ARRAY_SIZE(magic_init); ++i) {
+		if (magic_init[i] == 0xffffffff) {
+
+			printk("cmd: %x\n", *data);
+			VMMC_FIFO_fifo_in(&mps->mbox_cmd.downstream, data, size);
+			size = 0;
+			data = &magic_init[i+1];
+			mdelay(500);
+		} else {
+			size += 1;
+		}
+	}
+
+
+/*	VMMC_FIFO_mailbox_command_write(&mps->mbox_cmd, MPS_CMD_ALI(chan), data);*/
+}
+
+

package/lqtapi/src/mps/vmmc.h

@@ -0,0 +1,68 @@
+#ifndef __VMMC_H__
+
+#include <linux/list.h>
+#include <linux/tapi/tapi.h>
+
+#include "mps.h"
+#include "vmmc-module.h"
+
+struct vmmc
+{
+	struct mps *mps;
+	struct device *dev;
+
+	struct vmmc_port *ports;
+
+	struct completion firmware_loaded_completion;
+	struct completion cmd_completion;
+
+	struct mps_mailbox mbox_cmd;
+	struct mps_mailbox mbox_data;
+	struct mps_fifo fifo_event;
+
+	int irq_fw_loaded;
+	int irq_mbox_cmd;
+	int irq_mbox_data;
+	int irq_event_fifo;
+	int irq_cmd_error;
+
+	unsigned int num_coders;
+	struct vmmc_coder *coder;
+	unsigned long coder_used;
+
+	struct list_head modules;
+
+	struct tapi_device tdev;
+
+	struct sk_buff_head recv_queue;
+	struct sk_buff_head send_queue;
+};
+
+static inline struct vmmc *tdev_to_vmmc(struct tapi_device *tdev)
+{
+	return container_of(tdev, struct vmmc, tdev);
+}
+
+static inline void vmmc_register_module(struct vmmc *vmmc,
+	struct vmmc_module *module)
+{
+	list_add_tail(&module->head, &vmmc->modules);
+}
+
+static inline void vmmc_unregister_module(struct vmmc *vmmc,
+	struct vmmc_module *module)
+{
+	list_del(&module->head);
+}
+
+int vmmc_command_write(struct vmmc *vmmc, uint32_t cmd,
+	const uint32_t *data);
+int vmmc_command_read(struct vmmc *vmmc, uint32_t cmd, uint32_t *result);
+
+struct vmmc_coder *vmmc_coder_get(struct vmmc *);
+void vmmc_coder_put(struct vmmc *, struct vmmc_coder *);
+void vmmc_init_coders(struct vmmc *);
+
+void vmmc_send_paket(struct vmmc *vmmc, unsigned int chan, struct sk_buff *skb);
+
+#endif

package/lqtapi/src/tapi/Makefile

@@ -0,0 +1,7 @@
+
+tapi-objs := tapi-core.o tapi-port.o tapi-input.o
+tapi-objs += tapi-control.o
+tapi-objs += tapi-stream.o
+tapi-objs += tapi-sysfs-port.o
+
+obj-m += tapi.o

package/lqtapi/src/tapi/tapi-control.c

@@ -0,0 +1,193 @@
+#include <linux/cdev.h>
+#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include <linux/tapi/tapi.h>
+#include <linux/tapi/tapi-ioctl.h>
+
+/* FIXME Does it acutally make sense to allow more then one application at a
+ * time to open the control device? For example calling sync from one app will
+ * also sync all others. */
+
+struct tapi_control_file {
+	struct tapi_device *tdev;
+	struct list_head links;
+};
+
+static struct tapi_endpoint *tapi_lookup_endpoint(struct tapi_device *tdev,
+	unsigned int ep_id)
+{
+	struct tapi_stream *stream;
+
+	if (ep_id < tdev->num_ports)
+		return &tdev->ports[ep_id].ep;
+
+	list_for_each_entry(stream, &tdev->streams, head) {
+		if (stream->ep.id == ep_id)
+			return &stream->ep;
+	}
+
+	return ERR_PTR(-ENOENT);
+}
+
+static inline struct tapi_device *inode_to_tdev(struct inode *inode)
+{
+	return container_of(inode->i_cdev, struct tapi_char_device, cdev)->tdev;
+}
+
+static int tapi_control_open(struct inode *inode, struct file *file)
+{
+	int ret;
+	struct tapi_device *tdev = inode_to_tdev(inode);
+	struct tapi_control_file *tctrl;
+
+	get_device(&tdev->dev);
+
+	tctrl = kzalloc(sizeof(*tctrl), GFP_KERNEL);
+	if (!tctrl) {
+		ret = -ENOMEM;
+		goto err_put_device;
+	}
+
+	INIT_LIST_HEAD(&tctrl->links);
+	tctrl->tdev = tdev;
+
+	file->private_data = tctrl;
+
+	return 0;
+
+err_put_device:
+	put_device(&tdev->dev);
+
+	return ret;
+}
+
+static int tapi_control_release(struct inode *inode, struct file *file)
+{
+	struct tapi_control_file *tctrl = file->private_data;
+	struct tapi_link *link;
+
+	if (tctrl) {
+		list_for_each_entry(link, &tctrl->links, head)
+			tapi_link_free(tctrl->tdev, link);
+
+		put_device(&tctrl->tdev->dev);
+	}
+
+	return 0;
+}
+
+static long tapi_control_ioctl_link_alloc(struct tapi_control_file *tctrl,
+	unsigned long arg)
+{
+	struct tapi_link *link;
+	struct tapi_endpoint *ep1, *ep2;
+
+	ep1 = tapi_lookup_endpoint(tctrl->tdev, arg >> 16);
+	ep2 = tapi_lookup_endpoint(tctrl->tdev, arg & 0xffff);
+
+	link = tapi_link_alloc(tctrl->tdev, ep1, ep2);
+	if (IS_ERR(link))
+		return PTR_ERR(link);
+
+	list_add_tail(&link->head, &tctrl->links);
+
+	return link->id;
+}
+
+struct tapi_link *tapi_control_lookup_link(struct tapi_control_file *tctrl,
+	unsigned int id)
+{
+	struct tapi_link *link;
+
+	list_for_each_entry(link, &tctrl->links, head) {
+		if (link->id == id)
+			return link;
+	}
+
+	return NULL;
+}
+
+static long tapi_control_ioctl_link_free(struct tapi_control_file *tctrl,
+	unsigned long arg)
+{
+	struct tapi_link *link = tapi_control_lookup_link(tctrl, arg);
+	if (!link)
+		return -ENOENT;
+
+	tapi_link_free(tctrl->tdev, link);
+	list_del(&link->head);
+
+	return 0;
+}
+
+static long tapi_control_ioctl_link_enable(struct tapi_control_file *tctrl,
+	unsigned long arg)
+{
+	struct tapi_link *link = tapi_control_lookup_link(tctrl, arg);
+	if (!link)
+		return -ENOENT;
+
+	return tapi_link_enable(tctrl->tdev, link);
+}
+
+static long tapi_control_ioctl_link_disable(struct tapi_control_file *tctrl,
+	unsigned long arg)
+{
+	struct tapi_link *link = tapi_control_lookup_link(tctrl, arg);
+	if (!link)
+		return -ENOENT;
+
+	return tapi_link_disable(tctrl->tdev, link);
+}
+
+static long tapi_control_ioctl_sync(struct tapi_control_file *tctrl)
+{
+	return tapi_sync(tctrl->tdev);
+}
+
+static long tapi_control_ioctl(struct file *file, unsigned int cmd,
+	unsigned long arg)
+{
+	int ret;
+	struct tapi_control_file *tctrl = file->private_data;
+
+	switch (cmd) {
+	case TAPI_CONTROL_IOCTL_LINK_ALLOC:
+		ret = tapi_control_ioctl_link_alloc(tctrl, arg);
+		break;
+	case TAPI_CONTROL_IOCTL_LINK_FREE:
+		ret = tapi_control_ioctl_link_free(tctrl, arg);
+		break;
+	case TAPI_CONTROL_IOCTL_LINK_ENABLE:
+		ret = tapi_control_ioctl_link_enable(tctrl, arg);
+		break;
+	case TAPI_CONTROL_IOCTL_LINK_DISABLE:
+		ret = tapi_control_ioctl_link_disable(tctrl, arg);
+		break;
+	case TAPI_CONTROL_IOCTL_SYNC:
+		ret = tapi_control_ioctl_sync(tctrl);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return ret;
+}
+
+static const struct file_operations tapi_control_file_ops = {
+	.owner = THIS_MODULE,
+	.open = tapi_control_open,
+	.release = tapi_control_release,
+	.unlocked_ioctl = tapi_control_ioctl,
+};
+
+int tapi_register_control_device(struct tapi_device* tdev)
+{
+	dev_set_name(&tdev->control_dev.dev, "tapi%uC", tdev->id);
+	return tapi_char_device_register(tdev, &tdev->control_dev, &tapi_control_file_ops);
+}

package/lqtapi/src/tapi/tapi-core.c

@@ -0,0 +1,250 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/list.h>
+
+#include <linux/cdev.h>
+#include <linux/err.h>
+
+#include <linux/tapi/tapi.h>
+
+
+void tapi_alloc_input(struct tapi_device *tdev, struct tapi_port *port);
+int tapi_register_port_device(struct tapi_device* tdev, struct tapi_port *port);
+int tapi_register_stream_device(struct tapi_device* tdev);
+int tapi_register_control_device(struct tapi_device* tdev);
+
+static struct class *tapi_class;
+static int tapi_major;
+
+#define TAPI_MAX_MINORS 255
+
+static bool tapi_minors[TAPI_MAX_MINORS];
+
+static int tapi_get_free_minor(void)
+{
+	int i;
+	for (i = 0; i < TAPI_MAX_MINORS; ++i) {
+		if (!tapi_minors[i]) {
+			tapi_minors[i] = true;
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+/*
+int tapi_port_send_dtmf_events(struct tapi_device *tdev, unsigned int port, struct tapi_dtmf *, size_t num_events, unsigned int dealy)
+{
+}
+EXPORT_SYMBOL_GPL(tapi_port_send_dtmf_events);
+*/
+
+void tapi_report_hook_event(struct tapi_device *tdev, struct tapi_port *port,
+	bool on)
+{
+	struct tapi_event event;
+	event.type = TAPI_EVENT_TYPE_HOOK;
+	event.port = port->id;
+	event.hook.on = on;
+
+	tapi_report_event(tdev, &event);
+}
+EXPORT_SYMBOL_GPL(tapi_report_hook_event);
+
+void tapi_report_dtmf_event(struct tapi_device *tdev, struct tapi_port *port,
+	unsigned char code)
+{
+	struct tapi_event event;
+	event.type = TAPI_EVENT_TYPE_DTMF;
+	event.port = port->id;
+	event.dtmf.code = code;
+
+	tapi_report_event(tdev, &event);
+}
+EXPORT_SYMBOL_GPL(tapi_report_dtmf_event);
+
+struct tapi_stream *tapi_stream_alloc(struct tapi_device *tdev)
+{
+	struct tapi_stream *stream;
+	printk("tdev %p\n", tdev);
+
+	if (!tdev->ops || !tdev->ops->stream_alloc)
+		return ERR_PTR(-ENOSYS);
+
+	stream = tdev->ops->stream_alloc(tdev);
+	printk("stream %p\n", stream);
+	if (IS_ERR(stream))
+		return stream;
+
+	stream->id = atomic_inc_return(&tdev->stream_id) - 1;
+	stream->ep.id = stream->id;
+
+/*	mutex_lock(&tdev->lock);*/
+	list_add_tail(&stream->head, &tdev->streams);
+/*	mutex_unlock(&tdev->lock);*/
+
+	return stream;
+}
+EXPORT_SYMBOL_GPL(tapi_stream_alloc);
+
+void tapi_stream_free(struct tapi_device *tdev, struct tapi_stream *stream)
+{
+	mutex_lock(&tdev->lock);
+	list_del(&stream->head);
+	mutex_unlock(&tdev->lock);
+
+	tdev->ops->stream_free(tdev, stream);
+}
+EXPORT_SYMBOL_GPL(tapi_stream_free);
+
+struct tapi_link *tapi_link_alloc(struct tapi_device *tdev,
+	struct tapi_endpoint *ep1, struct tapi_endpoint *ep2)
+{
+	struct tapi_link *link;
+
+	if (!tdev->ops || !tdev->ops->link_alloc)
+		return ERR_PTR(-ENOSYS);
+
+	link = tdev->ops->link_alloc(tdev, ep1, ep2);
+	if (IS_ERR(link))
+		return link;
+
+	link->id = atomic_inc_return(&tdev->link_id) - 1;
+
+/*
+	mutex_lock(&tdev->lock);
+	list_add_tail(&link->head, &tdev->links);
+	mutex_unlock(&tdev->lock);
+*/
+	return link;
+}
+EXPORT_SYMBOL_GPL(tapi_link_alloc);
+
+void tapi_link_free(struct tapi_device *tdev, struct tapi_link *link)
+{
+/*
+	mutex_lock(&tdev->lock);
+	list_del(&link->head);
+	mutex_unlock(&tdev->lock);
+*/
+	tdev->ops->link_free(tdev, link);
+}
+EXPORT_SYMBOL_GPL(tapi_link_free);
+
+int tapi_char_device_register(struct tapi_device *tdev,
+	struct tapi_char_device *tchrdev, const struct file_operations *fops)
+{
+	int ret;
+	struct device *dev = &tchrdev->dev;
+	dev_t devt;
+	int minor = tapi_get_free_minor();
+
+	devt = MKDEV(tapi_major, minor);
+
+	dev->devt = devt;
+	dev->class = tapi_class;
+	dev->parent = &tdev->dev;
+
+	tchrdev->tdev = tdev;
+
+	cdev_init(&tchrdev->cdev, fops);
+	tchrdev->cdev.owner = THIS_MODULE;
+	ret = cdev_add(&tchrdev->cdev, devt, 1);
+	if (ret)
+		return ret;
+
+	ret = device_register(&tchrdev->dev);
+	if (ret)
+		goto err_cdev_del;
+
+	return 0;
+
+err_cdev_del:
+	cdev_del(&tchrdev->cdev);
+
+	return ret;
+}
+
+int tapi_device_register(struct tapi_device *tdev, const char *name,
+	struct device *parent)
+{
+	static atomic_t tapi_device_id = ATOMIC_INIT(0);
+	int ret, i;
+
+	tdev->dev.class = tapi_class;
+	tdev->dev.parent = parent;
+	dev_set_name(&tdev->dev, "%s", name);
+
+	ret = device_register(&tdev->dev);
+	if (ret)
+		return ret;
+
+	tdev->id = atomic_inc_return(&tapi_device_id) - 1;
+
+	mutex_init(&tdev->lock);
+	INIT_LIST_HEAD(&tdev->streams);
+	INIT_LIST_HEAD(&tdev->links);
+	atomic_set(&tdev->link_id, 0);
+	atomic_set(&tdev->stream_id, tdev->num_ports);
+
+	tapi_register_stream_device(tdev);
+	tapi_register_control_device(tdev);
+
+	for (i = 0; i < tdev->num_ports; ++i) {
+		tapi_port_alloc(tdev, i);
+		tapi_alloc_input(tdev, &tdev->ports[i]);
+		tapi_register_port_device(tdev, &tdev->ports[i]);
+		tdev->ports[i].id = i;
+		tdev->ports[i].ep.id = i;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(tapi_device_register);
+
+void tapi_device_unregister(struct tapi_device *tdev)
+{
+	device_unregister(&tdev->dev);
+}
+EXPORT_SYMBOL_GPL(tapi_device_unregister);
+
+static int __init tapi_class_init(void)
+{
+	int ret;
+	dev_t dev;
+
+	tapi_class = class_create(THIS_MODULE, "tapi");
+
+	if (IS_ERR(tapi_class)) {
+		ret = PTR_ERR(tapi_class);
+		printk(KERN_ERR "tapi: Failed to create device class: %d\n", ret);
+		goto err;
+	}
+
+	ret = alloc_chrdev_region(&dev, 0, TAPI_MAX_MINORS, "tapi");
+	if (ret) {
+		printk(KERN_ERR "tapi: Failed to allocate chrdev region: %d\n", ret);
+		goto err_class_destory;
+	}
+	tapi_major = MAJOR(dev);
+
+	return 0;
+err_class_destory:
+	class_destroy(tapi_class);
+err:
+	return ret;
+}
+subsys_initcall(tapi_class_init);
+
+static void __exit tapi_class_exit(void)
+{
+	unregister_chrdev_region(MKDEV(tapi_major, 0), TAPI_MAX_MINORS);
+	class_destroy(tapi_class);
+}
+module_exit(tapi_class_exit);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("TAPI class");
+MODULE_LICENSE("GPL");

package/lqtapi/src/tapi/tapi-input.c

@@ -0,0 +1,99 @@
+
+#include <linux/tapi/tapi.h>
+
+#include <linux/input.h>
+
+static unsigned short tapi_keycodes[] = {
+	[0] = KEY_NUMERIC_0,
+	[1] = KEY_NUMERIC_1,
+	[2] = KEY_NUMERIC_2,
+	[3] = KEY_NUMERIC_3,
+	[4] = KEY_NUMERIC_4,
+	[5] = KEY_NUMERIC_5,
+	[6] = KEY_NUMERIC_6,
+	[7] = KEY_NUMERIC_7,
+	[8] = KEY_NUMERIC_8,
+	[9] = KEY_NUMERIC_9,
+	[10] = KEY_NUMERIC_STAR,
+	[11] = KEY_NUMERIC_POUND,
+	[12] = KEY_ENTER,
+	[13] = KEY_ESC,
+};
+
+static int tapi_input_event(struct input_dev *input, unsigned int type,
+	unsigned int code, int value)
+{
+	struct tapi_device *tdev = dev_to_tapi(input->dev.parent);
+	struct tapi_port *port = input_get_drvdata(input);
+
+
+	if (type != EV_SND || code != SND_BELL)
+		return -EINVAL;
+
+	tapi_port_set_ring(tdev, port, value);
+
+	return 0;
+}
+
+void tapi_alloc_input(struct tapi_device *tdev, struct tapi_port *port)
+{
+	struct input_dev *input;
+	int i;
+	char *phys;
+
+	input = input_allocate_device();
+
+	phys = kzalloc(sizeof("tapi/input000"), GFP_KERNEL);
+	sprintf(phys, "tapi/input%d", port->id);
+
+	input->name = "tapi";
+	input->phys = phys;
+	input->id.bustype = BUS_HOST;
+	input->dev.parent = &tdev->dev;
+	input->evbit[0] = BIT(EV_KEY) | BIT(EV_SND);
+	input->sndbit[0] = BIT(SND_BELL);
+
+	input->event = tapi_input_event;
+
+	input->keycodesize = sizeof(unsigned short);
+	input->keycodemax = ARRAY_SIZE(tapi_keycodes);
+	input->keycode = tapi_keycodes;
+
+	port->input = input;
+
+	for (i = 0; i < ARRAY_SIZE(tapi_keycodes); ++i)
+		__set_bit(tapi_keycodes[i], input->keybit);
+
+	input_set_drvdata(input, port);
+	input_register_device(input);
+}
+
+void tapi_report_event(struct tapi_device *tdev,
+	struct tapi_event *event)
+{
+	unsigned short key_code;
+	struct input_dev *input;
+
+	if (!tdev || !tdev->ports)
+		return;
+
+	switch (event->type) {
+		case TAPI_EVENT_TYPE_HOOK:
+			if (event->hook.on)
+				key_code = KEY_ENTER;
+			else
+				key_code = KEY_ESC;
+			break;
+		case TAPI_EVENT_TYPE_DTMF:
+			key_code = tapi_keycodes[event->dtmf.code];
+			break;
+		default:
+			return;
+	}
+
+	input = tdev->ports[event->port].input;
+	input_report_key(input, key_code, 1);
+	input_sync(input);
+	input_report_key(input, key_code, 0);
+	input_sync(input);
+}

package/lqtapi/src/tapi/tapi-nl.c

@@ -0,0 +1,62 @@
+
+static struct tapi_attr default_port[] = {
+	[PORTS] = {
+		.type = TAPI_TYPE_PORTS,
+		.name = "ports",
+		.description = "foobar",
+		.set = tapi_set_ports,
+		.get = tapi_get_ports,
+	},
+};
+
+static const struct nla_policy tapi_policy[] = {
+	[TAPI_ATTR_ID] = { .type = NLA_U32 },
+	[TAPI_ATTR_PORT] = { .type = NLA_U32 },
+	[TAPI_ATTR_ENDPOINT] = { .type = NLA_U32 },
+	[TAPI_ATTR_STREAM] = { .type = NLA_U32 }
+};
+
+static const struct nla_policy tapi_port_policy[] = {
+	[TAPI_PORT_ID] = { .type = NLA_U32 },
+};
+
+static const struct nla_policy tapi_endpoint_policy[] = {
+	[TAPI_ENDPOINT_ID] = { .type = NLA_U32 },
+};
+
+static const struct nla_policy tapi_stream_policy[] = {
+	[TAPI_STREAM_ID] = { .type = NLA_U32 },
+};
+
+static struct genl_family tapi_nl_family = {
+	.id = GENL_ID_GENERATE,
+	.name = "tapi",
+	.hdrsize = 0,
+	.version = 1,
+	.maxattr = ARRAY_SIZE(tapi_policy),
+};
+
+
+
+static struct genl_ops tapi_nl_ops[] = {
+	TAPI_NL_OP(TAPI_CMD_LIST, list_attr),
+
+};
+
+static int __init tapi_nl_init(void)
+{
+	ret = genl_unregister_family(&tapi_nl_family);
+	if (ret)
+		return ret;
+
+	genl_register_ops(&tapi_nl_family, tapi_nl_ops);
+
+	return 0;
+}
+module_init(tapi_nl_init);
+
+static void __exit tapi_nl_exit(void)
+{
+	genl_unregister_family(&tapi_nl_family);
+}
+

package/lqtapi/src/tapi/tapi-port.c

@@ -0,0 +1,82 @@
+#include <linux/cdev.h>
+#include <linux/fs.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include <linux/tapi/tapi.h>
+#include <linux/tapi/tapi-ioctl.h>
+
+static inline struct tapi_port *tapi_char_device_to_port(struct tapi_char_device *chrdev)
+{
+	return container_of(chrdev, struct tapi_port, chrdev);
+}
+
+static int tapi_port_open(struct inode *inode, struct file *file)
+{
+	struct tapi_device *tdev = cdev_to_tapi_char_device(inode->i_cdev)->tdev;
+
+	get_device(&tdev->dev);
+	file->private_data = cdev_to_tapi_char_device(inode->i_cdev);
+
+	return 0;
+}
+
+static int tapi_port_release(struct inode *inode, struct file *file)
+{
+	struct tapi_device *tdev = cdev_to_tapi_char_device(inode->i_cdev)->tdev;
+
+	put_device(&tdev->dev);
+
+	return 0;
+}
+
+static long tapi_port_ioctl_get_endpoint(struct tapi_device *tdev,
+	struct tapi_port *port, unsigned long arg)
+{
+	return port->ep.id;
+}
+
+static long tapi_port_ioctl_set_ring(struct tapi_device *tdev,
+	struct tapi_port *port, unsigned long arg)
+{
+	tapi_port_set_ring(tdev, port, arg);
+	return 0;
+}
+
+static long tapi_port_ioctl(struct file *file, unsigned int cmd,
+	unsigned long arg)
+{
+	int ret;
+	struct tapi_char_device *tchrdev = file->private_data;
+	struct tapi_device *tdev = tchrdev->tdev;
+	struct tapi_port *port = tapi_char_device_to_port(tchrdev);
+
+	switch (cmd) {
+	case TAPI_PORT_IOCTL_GET_ENDPOINT:
+		ret = tapi_port_ioctl_get_endpoint(tdev, port, arg);
+		break;
+	case TAPI_PORT_IOCTL_SET_RING:
+		ret = tapi_port_ioctl_set_ring(tdev, port, arg);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static const struct file_operations tapi_port_file_ops = {
+	.owner = THIS_MODULE,
+	.open = tapi_port_open,
+	.release = tapi_port_release,
+	.unlocked_ioctl = tapi_port_ioctl,
+};
+
+int tapi_register_port_device(struct tapi_device* tdev, struct tapi_port *port)
+{
+	dev_set_name(&port->chrdev.dev, "tapi%uP%u", tdev->id, port->id);
+	return tapi_char_device_register(tdev, &port->chrdev, &tapi_port_file_ops);
+}

package/lqtapi/src/tapi/tapi-stream.c

@@ -0,0 +1,201 @@
+#include <linux/cdev.h>
+#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/poll.h>
+
+#include <linux/tapi/tapi.h>
+#include <linux/tapi/tapi-ioctl.h>
+
+
+struct tapi_stream_file {
+	struct tapi_device *tdev;
+	struct tapi_stream *stream;
+};
+
+static inline struct tapi_device *inode_to_tdev(struct inode *inode)
+{
+	return container_of(inode->i_cdev, struct tapi_char_device, cdev)->tdev;
+}
+
+static int tapi_stream_open(struct inode *inode, struct file *file)
+{
+	int ret;
+	struct tapi_device *tdev = inode_to_tdev(inode);
+	struct tapi_stream_file *stream;
+
+	get_device(&tdev->dev);
+
+	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+	if (!stream) {
+		ret = -ENOMEM;
+		goto err_put;
+	}
+
+	stream->stream = tapi_stream_alloc(tdev);
+	if (IS_ERR(stream->stream)) {
+		ret = PTR_ERR(stream->stream);
+		goto err_free;
+	}
+	stream->tdev = tdev;
+
+	init_waitqueue_head(&stream->stream->recv_wait);
+	skb_queue_head_init(&stream->stream->recv_queue);
+
+	file->private_data = stream;
+
+	return 0;
+
+err_free:
+	kfree(stream);
+err_put:
+	put_device(&tdev->dev);
+	return ret;
+}
+
+static int tapi_stream_release(struct inode *inode, struct file *file)
+{
+	struct tapi_stream_file *stream = file->private_data;
+
+	if (stream) {
+		tapi_stream_free(stream->tdev, stream->stream);
+		put_device(&stream->tdev->dev);
+		kfree(stream);
+	}
+
+	return 0;
+}
+
+static long tapi_stream_ioctl(struct file *file, unsigned int cmd,
+	unsigned long arg)
+{
+	int ret = 0;
+	struct tapi_stream_file *stream = file->private_data;
+	struct tapi_device *tdev = stream->tdev;
+
+	switch (cmd) {
+	case TAPI_STREAM_IOCTL_GET_ENDPOINT:
+		ret = stream->stream->ep.id;
+		break;
+	case TAPI_STREAM_IOCTL_CONFIGURE:
+		break;
+	case TAPI_STREAM_IOCTL_START:
+		ret = tapi_stream_start(tdev, stream->stream);
+		break;
+	case TAPI_STREAM_IOCTL_STOP:
+		ret = tapi_stream_stop(tdev, stream->stream);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static unsigned int tapi_stream_poll(struct file *file, struct poll_table_struct *wait)
+{
+	struct tapi_stream_file *stream = file->private_data;
+	int ret;
+
+	poll_wait(file, &stream->stream->recv_wait, wait);
+
+	ret = POLLOUT;
+
+	if (!skb_queue_empty(&stream->stream->recv_queue))
+		ret |= POLLIN;
+
+	return ret;
+}
+
+static ssize_t tapi_stream_read(struct file *file, char __user *buffer,
+	size_t count, loff_t *offset)
+{
+	struct tapi_stream_file *stream = file->private_data;
+	struct sk_buff *skb;
+
+	skb = skb_dequeue(&stream->stream->recv_queue);
+	if (!skb) {
+		if (file->f_flags & O_NONBLOCK)
+			return -EAGAIN;
+
+		do {
+			interruptible_sleep_on(&stream->stream->recv_wait);
+			skb = skb_dequeue(&stream->stream->recv_queue);
+		} while (skb == NULL && !signal_pending(current));
+
+		if (skb == NULL)
+			return -ERESTARTNOHAND;
+	}
+
+	if (skb->len > count) {
+		skb_queue_head(&stream->stream->recv_queue, skb);
+		return -EMSGSIZE;
+	}
+
+	if (copy_to_user(buffer, skb->data, skb->len)) {
+		skb_queue_head(&stream->stream->recv_queue, skb);
+		return -EFAULT;
+	}
+
+	count = skb->len;
+
+	kfree_skb(skb);
+
+	return count;
+}
+
+static ssize_t tapi_stream_write(struct file *file, const char __user *buffer,
+	size_t count, loff_t *ppos)
+{
+	struct tapi_stream_file *stream = file->private_data;
+	struct tapi_device *tdev = stream->tdev;
+	struct sk_buff *skb;
+
+	if (count == 0)
+		return 0;
+
+	skb = alloc_skb(count, GFP_USER);
+	if (!skb)
+		return -ENOMEM;
+
+	if (copy_from_user(skb_put(skb, count), buffer, count)) {
+		kfree_skb(skb);
+		return -EFAULT;
+	}
+
+	tdev->ops->stream_send(tdev, stream->stream, skb);
+
+	return count;
+}
+
+static const struct file_operations tapi_stream_file_ops = {
+	.owner = THIS_MODULE,
+	.read = tapi_stream_read,
+	.write = tapi_stream_write,
+	.open = tapi_stream_open,
+	.release = tapi_stream_release,
+	.poll = tapi_stream_poll,
+	.unlocked_ioctl = tapi_stream_ioctl,
+};
+
+int tapi_register_stream_device(struct tapi_device* tdev)
+{
+	dev_set_name(&tdev->stream_dev.dev, "tapi%uS", tdev->id);
+	return tapi_char_device_register(tdev, &tdev->stream_dev, &tapi_stream_file_ops);
+}
+
+int tapi_stream_recv(struct tapi_device *tdev, struct tapi_stream * stream,
+	struct sk_buff *skb)
+{
+	skb_queue_tail(&stream->recv_queue, skb);
+	wake_up(&stream->recv_wait);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(tapi_stream_recv);

package/lqtapi/src/tapi/tapi-sysfs-port.c

@@ -0,0 +1,107 @@
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+
+#include <linux/err.h>
+#include <linux/tapi/tapi.h>
+
+struct tapi_sysfs_port {
+	struct tapi_device *tdev;
+	unsigned int id;
+	struct kobject kobj;
+};
+
+struct tapi_sysfs_entry {
+	ssize_t (*show)(struct tapi_device *, unsigned int port, char *);
+	ssize_t (*store)(struct tapi_device *, unsigned int port, const char *, size_t);
+	struct attribute attr;
+};
+
+static ssize_t tapi_port_store(struct kobject *kobj, struct attribute *attr,
+	const char *s, size_t len)
+{
+	struct tapi_sysfs_port *port = container_of(kobj, struct tapi_sysfs_port, kobj);
+	struct tapi_sysfs_entry *entry = container_of(attr, struct tapi_sysfs_entry,
+								attr);
+
+	if (!entry->store)
+		return -ENOSYS;
+
+	return entry->store(port->tdev, port->id, s, len);
+}
+
+static ssize_t tapi_port_show(struct kobject *kobj, struct attribute *attr,
+	char *s)
+{
+	return -ENOSYS;
+}
+
+#define TAPI_PORT_ATTR(_name, _mode, _show, _store) \
+	struct tapi_sysfs_entry tapi_port_ ## _name ## _attr = \
+		__ATTR(_name, _mode, _show, _store)
+
+static int tapi_port_store_ring(struct tapi_device *tdev, unsigned int port,
+	const char *s, size_t len)
+{
+	int ret;
+	unsigned long val;
+
+	ret = strict_strtoul(s, 10, &val);
+
+	if (ret)
+		return ret;
+
+	ret = tapi_port_set_ring(tdev, &tdev->ports[port], val);
+	if (ret)
+		return ret;
+	return len;
+}
+
+static TAPI_PORT_ATTR(ring, 0644, NULL, tapi_port_store_ring);
+
+static struct attribute *tapi_port_default_attrs[] = {
+	&tapi_port_ring_attr.attr,
+	NULL,
+};
+
+static void tapi_port_free(struct kobject *kobj)
+{
+	struct tapi_sysfs_port *port = container_of(kobj, struct tapi_sysfs_port, kobj);
+	kfree(port);
+}
+
+static struct sysfs_ops tapi_port_sysfs_ops = {
+	.show		= tapi_port_show,
+	.store		= tapi_port_store,
+};
+
+static struct kobj_type tapi_port_ktype = {
+	.release	= tapi_port_free,
+	.sysfs_ops	= &tapi_port_sysfs_ops,
+	.default_attrs	= tapi_port_default_attrs,
+};
+
+struct tapi_sysfs_port *tapi_port_alloc(struct tapi_device *tdev, unsigned int id)
+{
+	struct tapi_sysfs_port *port;
+	int ret;
+
+	port = kzalloc(sizeof(*port), GFP_KERNEL);
+	port->tdev = tdev;
+	port->id = id;
+
+	ret = kobject_init_and_add(&port->kobj, &tapi_port_ktype, &tdev->dev.kobj,
+		"port%d", id);
+	if (ret) {
+		kfree(port);
+		return ERR_PTR(ret);
+	}
+
+	return port;
+}
+
+void tapi_port_delete(struct tapi_sysfs_port *port)
+{
+	kobject_del(&port->kobj);
+	kobject_put(&port->kobj);
+}

package/pjsip/Makefile

@@ -0,0 +1,58 @@
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=pjsip
+PKG_VERSION:=1.6
+PKG_RELEASE:=1
+
+PKG_SOURCE:=pjproject-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_URL:=http://www.pjsip.org/release/1.6/
+#PKG_MD5SUM:=9b7dc52656f5cbec846a7ba3299f73bd
+PKG_INSTALL:=1
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/pjproject-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/pjsip
+  SECTION:=lib
+  CATEGORY:=Libraries
+  TITLE:=Voip lib
+  URL:=http://www.pjsip.org/
+  DEPENDS:=+libuuid
+endef
+
+CONFIGURE_ARGS += \
+	--disable-sound \
+	--disable-oss \
+	--disable-ext-sound \
+	--disable-speex-aec \
+	--enable-g711-codec \
+	--disable-l16-codec \
+	--disable-gsm-codec \
+	--disable-g722-codec \
+	--disable-g7221-codec \
+	--disable-speex-codec \
+	--disable-ilbc-coder \
+	--disable-libsamplerate \
+	--disable-ipp \
+	--disable-ssl \
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/{include,lib}
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/* \
+		$(1)/usr/include/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/* \
+		$(1)/usr/lib/
+endef
+
+define Package/pjsip/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+endef
+
+define Build/Compile
+	$(MAKE_VARS) $(MAKE) -C $(PKG_BUILD_DIR)/$(MAKE_PATH)
+endef
+
+
+$(eval $(call BuildPackage,pjsip))

package/tapi_sip/Makefile

@@ -0,0 +1,41 @@
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=tapi_sip
+PKG_RELEASE:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/tapi_sip
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=tapi_sip
+  DEPENDS:=+libuci +libtapi +pjsip +kmod-lqtapi
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+	CFLAGS="$(TARGET_CPPFLAGS) $(TARGET_CFLAGS)" \
+	LDFLAGS="$(TARGET_LDFLAGS)" \
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		$(TARGET_CONFIGURE_OPTS)
+endef
+
+define Package/tapi_sip/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/tapi-sip $(1)/usr/bin/
+
+	$(INSTALL_DIR) $(1)/etc/config $(1)/etc/init.d
+	$(INSTALL_DATA) ./files/telephony.conf $(1)/etc/config/telephony
+	$(INSTALL_BIN) ./files/telephony.init $(1)/etc/init.d/telephony
+endef
+
+$(eval $(call BuildPackage,tapi_sip))

package/tapi_sip/files/telephony.conf

@@ -0,0 +1,28 @@
+config 'config' 'config'
+#	option 'fw_url' 'http://192.168.1.100/danube_firmware.bin'
+	option 'fw_file' 'danube_firmware.bin'
+	option 'netdev'	'pppoe-wan'
+	option 'disable' '1'
+
+config 'account' 'account'
+	option 'realm' 'example.com'
+	option 'username' 'user'
+	option 'password' 'password'
+	option 'stun_host' 'stun.example.com'
+	option 'stun_port' '3478'
+	option 'sip_port' '5600'
+
+config 'contact'
+	option 'name' 'sip example'
+	option 'identifier' 'sip:user@example.net'
+	option 'number' '123'
+
+config 'contact'
+	option 'name'	'local1'
+	option 'identifier' 'tel:1'
+	option 'number' '01'
+
+config 'contact'
+	option 'name'	'local2'
+	option 'identifier' 'tel:2'
+	option 'number' '02'

package/tapi_sip/files/telephony.init

@@ -0,0 +1,50 @@
+#!/bin/sh /etc/rc.common
+START=80
+
+download_fw()
+{
+	config_load telephony
+	config_get fw_url config fw_url
+	config_get fw_file config fw_file
+	wget $fw_url -O /tmp/$fw_file || {
+		echo "failed to load $fw_url"
+		exit 1
+	}
+}
+
+load_module()
+{
+	M=`lsmod | grep vmmc`
+	[ -z "$M" ] || return
+	config_load telephony
+	config_get fw_file config fw_file
+	[ -z "fw_file" ] && exit 1
+	F=/lib/firmware/$fw_file
+	[ ! -f "$F" -a ! -L "$F" ] && {
+		echo "missing firmware file"
+		exit 1
+	}
+	[ -L "$F" -a -f /tmp/$fw_file ] && F=/tmp/$fw_file
+	insmod vmmc
+	sleep 3
+}
+
+stop()
+{
+	killall tapi-sip 2>/dev/null
+}
+
+start()
+{
+	stop
+	config_load telephony
+	config_get fw_url config fw_url
+	config_get fw_file config fw_file
+	config_get netdev config netdev
+	config_get disable config disable
+	[ "$disable" != "1" ]  && {
+		[ ! -z "$fw_url" -a ! -f "/tmp/$fw_file" ] && download_fw
+		load_module
+		/usr/bin/tapi-sip $netdev &
+	}
+}

package/tapi_sip/src/Makefile

@@ -0,0 +1,21 @@
+ifndef CFLAGS
+CFLAGS = -O2 -g -I ../src
+endif
+
+CFLAGS += -Werror -Wall -std=gnu99
+
+PJ_CFLAGS ?= `pkg-config libpjproject --cflags`
+PJ_LDFLAGS ?= `pkg-config libpjproject --libs`
+
+CFLAGS += $(PJ_CFLAGS)
+LDFLAGS += $(PJ_LDFLAGS)
+
+FPIC=-fPIC
+
+all: tapi-sip
+
+%.o: %.c
+	$(CC) -c -o $@ $^ $(CFLAGS)
+
+tapi-sip: contact.o session.o tapi_agent.o tapi_sip.o sip_client.o stun.o dialdetector.o
+	$(CC) -o $@ $^ -ltapi -luci $(LDFLAGS)

package/tapi_sip/src/agent.h

@@ -0,0 +1,41 @@
+#ifndef __AGENT_H__
+#define __AGENT_H__
+
+#include "agent.h"
+
+struct session;
+struct agent;
+
+struct agent_ops {
+	int (*invite)(struct agent *, struct session *);
+	int (*accept)(struct agent *, struct session *);
+	int (*hangup)(struct agent *, struct session *);
+
+	int (*get_endpoint)(struct agent *, struct session *);
+};
+
+struct agent {
+	const struct agent_ops *ops;
+};
+
+static inline int agent_invite(struct agent *agent, struct session *session)
+{
+	return agent->ops->invite(agent, session);
+}
+
+static inline int agent_accept(struct agent *agent, struct session *session)
+{
+	return agent->ops->accept(agent, session);
+}
+
+static inline int agent_hangup(struct agent *agent, struct session *session)
+{
+	return agent->ops->hangup(agent, session);
+}
+
+static inline int agent_get_endpoint(struct agent *agent, struct session *session)
+{
+	return agent->ops->get_endpoint(agent, session);
+}
+
+#endif

package/tapi_sip/src/contact.c

@@ -0,0 +1,162 @@
+#include <malloc.h>
+#include <string.h>
+
+#include <uci.h>
+#include <ucimap.h>
+
+#include "list.h"
+#include "contact.h"
+
+static struct uci_context *ctx;
+static struct uci_package *pkg;
+static struct list_head contact_list;
+static struct list_head account_list;
+
+static int contact_init(struct uci_map *map, void *section,
+	struct uci_section *s)
+{
+    struct contact *p = section;
+	p->name = strdup(s->e.name);
+	return 0;
+}
+
+static int contact_add(struct uci_map *map, void *section)
+{
+    struct contact *c = section;
+	printf("add contact: %s\n", c->name);
+	list_add_tail(&c->head, &contact_list);
+	return 0;
+}
+
+static struct uci_optmap contact_uci_map[] = {
+	{
+		UCIMAP_OPTION(struct contact, identifier),
+		.type = UCIMAP_STRING,
+		.name = "identifier",
+	},
+	{
+		UCIMAP_OPTION(struct contact, number),
+		.type = UCIMAP_STRING,
+		.name = "number",
+	},
+};
+
+static struct uci_sectionmap contact_sectionmap = {
+	UCIMAP_SECTION(struct contact, map),
+	.type = "contact",
+	.init = contact_init,
+	.add = contact_add,
+	.options = contact_uci_map,
+	.n_options = ARRAY_SIZE(contact_uci_map),
+	.options_size = sizeof(struct uci_optmap),
+};
+
+static int account_init(struct uci_map *map, void *section,
+	struct uci_section *s)
+{
+    struct account *a = section;
+	a->name = strdup(s->e.name);
+	return 0;
+}
+
+static int account_add(struct uci_map *map, void *section)
+{
+    struct account *a = section;
+	list_add_tail(&a->head, &account_list);
+	return 0;
+}
+
+static struct uci_optmap account_uci_map[] = {
+	{
+		UCIMAP_OPTION(struct account, realm),
+		.type = UCIMAP_STRING,
+		.name = "realm",
+	},
+	{
+		UCIMAP_OPTION(struct account, username),
+		.type = UCIMAP_STRING,
+		.name = "username",
+	},
+	{
+		UCIMAP_OPTION(struct account, sip_port),
+		.type = UCIMAP_INT,
+		.name = "sip_port",
+	},
+	{
+		UCIMAP_OPTION(struct account, password),
+		.type = UCIMAP_STRING,
+		.name = "password",
+	},
+	{
+		UCIMAP_OPTION(struct account, stun_host),
+		.type = UCIMAP_STRING,
+		.name = "stun_host",
+	},
+	{
+		UCIMAP_OPTION(struct account, stun_port),
+		.type = UCIMAP_INT,
+		.name = "stun_port",
+	},
+};
+
+static struct uci_sectionmap account_sectionmap = {
+	UCIMAP_SECTION(struct account, map),
+	.type = "account",
+	.init = account_init,
+	.add = account_add,
+	.options = account_uci_map,
+	.n_options = ARRAY_SIZE(account_uci_map),
+	.options_size = sizeof(struct uci_optmap),
+};
+
+static struct uci_sectionmap *network_smap[] = {
+    &contact_sectionmap,
+	&account_sectionmap,
+};
+
+static struct uci_map contact_map = {
+	.sections = network_smap,
+	.n_sections = ARRAY_SIZE(network_smap),
+};
+
+int contacts_init(void)
+{
+	int ret;
+
+	INIT_LIST_HEAD(&contact_list);
+	INIT_LIST_HEAD(&account_list);
+	ctx = uci_alloc_context();
+
+	ucimap_init(&contact_map);
+	ret = uci_load(ctx, "telephony", &pkg);
+	if (ret)
+		return ret;
+
+	ucimap_parse(&contact_map, pkg);
+
+	return 0;
+}
+
+void contacts_free(void)
+{
+}
+
+struct contact *contact_get(const char *number)
+{
+	struct contact *contact;
+	list_for_each_entry(contact, &contact_list, head)
+	{
+		if (strcmp(contact->number, number) == 0)
+			return contact;
+	}
+
+	return NULL;
+}
+
+struct account *get_account(void)
+{
+	if (list_empty(&account_list))
+		return NULL;
+
+	return list_first_entry(&account_list, struct account, head);
+}

package/tapi_sip/src/contact.h

@@ -0,0 +1,33 @@
+#ifndef __CONTACT_H__
+#define __CONTACT_H__
+
+#include <ucimap.h>
+
+struct account {
+	struct ucimap_section_data map;
+	const char *name;
+	char *realm;
+	char *username;
+	char *password;
+	int sip_port;
+	char *stun_host;
+	int stun_port;
+	struct list_head head;
+};
+
+struct contact {
+	struct ucimap_section_data map;
+	const char *name;
+	const char *identifier;
+	const char *number;
+
+	struct list_head head;
+};
+
+int contacts_init(void);
+void contacts_free(void);
+struct contact *contact_get(const char *number);
+
+struct account *get_account(void);
+
+#endif

package/tapi_sip/src/dialdetector.c

@@ -0,0 +1,148 @@
+#include <linux/input.h>
+#include <sys/epoll.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <events.h>
+#include "timerfd.h"
+
+#include "tapi-port.h"
+#include "dialdetector.h"
+
+static const struct itimerspec dialdetector_timeout = {
+	.it_value.tv_sec = 3,
+};
+
+static const struct itimerspec dialdetector_impulse_timeout = {
+	.it_value.tv_nsec = 200000000,
+};
+
+static void dialdetector_note_digit(struct dialdetector *d, unsigned char digit)
+{
+	printf("note digit: %d\n", d->num_digits);
+
+	d->digits[d->num_digits] = digit;
+	++d->num_digits;
+
+	timerfd_settime(d->timer_fd, 0, &dialdetector_timeout, NULL);
+	d->dial_state = DIALDETECTOR_DIAL_WAIT_TIMEOUT;
+}
+
+static void dialdetector_reset(struct dialdetector *d)
+{
+	d->num_digits = 0;
+	d->impulses = 0;
+	d->dial_state = DIALDETECTOR_DIAL_WAIT;
+	d->port_state = DIALDETECTOR_PORT_INACTIVE;
+}
+
+static bool dialdetector_timeout_event(int events, void *data)
+{
+	char num[20];
+	struct dialdetector *dialdetector = data;
+	int i;
+	uint64_t tmp;
+
+	read(dialdetector->timer_fd, &tmp, sizeof(tmp));
+
+	for (i = 0; i < dialdetector->num_digits; ++i) {
+		num[i] = '0' + dialdetector->digits[i];
+	}
+	num[i] = '\0';
+
+	dialdetector->dial_callback(dialdetector->port, dialdetector->num_digits,
+	dialdetector->digits);
+
+	dialdetector_reset(dialdetector);
+
+	return true;
+}
+
+static bool dialdetector_impulse_timeout_cb(int events, void *data)
+{
+	struct dialdetector *d = data;
+	uint64_t tmp;
+
+	read(d->impulse_timer_fd, &tmp, sizeof(tmp));
+
+	if (d->port_state == DIALDETECTOR_PORT_ACTIVE_DOWN) {
+		d->port_state = DIALDETECTOR_PORT_INACTIVE;
+	} else {
+		printf("impulse: %d\n", d->impulses);
+		if (d->impulses > 0)
+			dialdetector_note_digit(d, d->impulses < 10 ? d->impulses : 0);
+		d->impulses = 0;
+	}
+
+	return true;
+}
+
+static void dialdetector_port_event(struct tapi_port *port,
+	struct tapi_event *event, void *data)
+{
+	struct dialdetector *d = data;
+
+	printf("port event: %d %d\n", d->port_state, event->hook.on);
+
+	switch (d->port_state) {
+	case DIALDETECTOR_PORT_INACTIVE:
+		if (event->type == TAPI_EVENT_TYPE_HOOK && event->hook.on == false)
+			d->port_state = DIALDETECTOR_PORT_ACTIVE;
+		break;
+	case DIALDETECTOR_PORT_ACTIVE:
+		switch (event->type) {
+		case TAPI_EVENT_TYPE_HOOK:
+			if (event->hook.on == true) {
+				d->port_state = DIALDETECTOR_PORT_ACTIVE_DOWN;
+				timerfd_settime(d->impulse_timer_fd, 0, &dialdetector_impulse_timeout, NULL);
+			}
+			break;
+		case TAPI_EVENT_TYPE_DTMF:
+			dialdetector_note_digit(d, event->dtmf.code);
+			break;
+		}
+		break;
+	case DIALDETECTOR_PORT_ACTIVE_DOWN:
+		if (event->type == TAPI_EVENT_TYPE_HOOK && event->hook.on == false) {
+			timerfd_settime(d->timer_fd, 0, &dialdetector_timeout, NULL);
+			++d->impulses;
+			d->port_state = DIALDETECTOR_PORT_ACTIVE;
+		}
+		break;
+	}
+}
+
+struct dialdetector *dialdetector_alloc(struct tapi_port *port)
+{
+	struct dialdetector *dialdetector;
+	dialdetector = malloc(sizeof(*dialdetector));
+
+	dialdetector->timer_fd = timerfd_create(CLOCK_MONOTONIC, 0);
+	dialdetector->impulse_timer_fd = timerfd_create(CLOCK_MONOTONIC, 0);
+	dialdetector->port = port;
+	dialdetector->num_digits = 0;
+	dialdetector->impulses = 0;
+	dialdetector->dial_state = DIALDETECTOR_DIAL_WAIT;
+	dialdetector->port_state = DIALDETECTOR_PORT_INACTIVE;
+
+	dialdetector->timeout_cb.callback = dialdetector_timeout_event;
+	dialdetector->timeout_cb.data = dialdetector;
+	dialdetector->impulse_cb.callback = dialdetector_impulse_timeout_cb;
+	dialdetector->impulse_cb.data = dialdetector;
+
+	dialdetector->port_listener.callback = dialdetector_port_event;
+	dialdetector->port_listener.data = dialdetector;
+
+	tapi_port_register_event(port, &dialdetector->port_listener);
+
+	event_register(dialdetector->impulse_timer_fd, EPOLLIN,
+		&dialdetector->impulse_cb);
+	event_register(dialdetector->timer_fd, EPOLLIN, &dialdetector->timeout_cb);
+
+	return dialdetector;
+}

package/tapi_sip/src/dialdetector.h

@@ -0,0 +1,49 @@
+#include <linux/input.h>
+#include <sys/epoll.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "events.h"
+#include "timerfd.h"
+
+#include "tapi-port.h"
+
+enum dialdetector_dial_state {
+	DIALDETECTOR_DIAL_WAIT = 1,
+	DIALDETECTOR_DIAL_WAIT_TIMEOUT = 2,
+};
+
+enum dialdetector_port_state {
+	DIALDETECTOR_PORT_INACTIVE = 0,
+	DIALDETECTOR_PORT_ACTIVE = 1,
+	DIALDETECTOR_PORT_ACTIVE_DOWN = 2,
+};
+
+struct dialdetector {
+	enum dialdetector_dial_state dial_state;
+	enum dialdetector_port_state port_state;
+
+	struct tapi_port *port;
+	int timer_fd;
+	int impulse_timer_fd;
+
+	struct event_callback timeout_cb;
+	struct event_callback impulse_cb;
+	struct tapi_port_event_listener port_listener;
+
+	size_t num_digits;
+	unsigned char digits[20];
+
+	unsigned int impulses;
+
+	void (*dial_callback)(struct tapi_port *port, size_t num_digits, const unsigned char *digits);
+};
+
+
+struct tapi_port;
+
+struct dialdetector *dialdetector_alloc(struct tapi_port *port);

package/tapi_sip/src/list.h

@@ -0,0 +1,601 @@
+#ifndef _LINUX_LIST_H
+#define _LINUX_LIST_H
+
+#include <stddef.h>
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr:	the pointer to the member.
+ * @type:	the type of the container struct this is embedded in.
+ * @member:	the name of the member within the struct.
+ *
+ */
+#ifndef container_of
+#define container_of(ptr, type, member) (			\
+	(type *)( (char *)ptr - offsetof(type,member) ))
+#endif
+
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+struct list_head {
+	struct list_head *next, *prev;
+};
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+	struct list_head name = LIST_HEAD_INIT(name)
+
+static inline void INIT_LIST_HEAD(struct list_head *list)
+{
+	list->next = list;
+	list->prev = list;
+}
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_add(struct list_head *new,
+			      struct list_head *prev,
+			      struct list_head *next)
+{
+	next->prev = new;
+	new->next = next;
+	new->prev = prev;
+	prev->next = new;
+}
+
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+	__list_add(new, head, head->next);
+}
+
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
+{
+	__list_add(new, head->prev, head);
+}
+
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_del(struct list_head * prev, struct list_head * next)
+{
+	next->prev = prev;
+	prev->next = next;
+}
+
+/**
+ * list_del - deletes entry from list.
+ * @entry: the element to delete from the list.
+ * Note: list_empty() on entry does not return true after this, the entry is
+ * in an undefined state.
+ */
+static inline void list_del(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+	entry->next = NULL;
+	entry->prev = NULL;
+}
+
+/**
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+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;
+}
+
+static inline void list_replace_init(struct list_head *old,
+					struct list_head *new)
+{
+	list_replace(old, new);
+	INIT_LIST_HEAD(old);
+}
+
+/**
+ * list_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.
+ */
+static inline void list_del_init(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+	INIT_LIST_HEAD(entry);
+}
+
+/**
+ * list_move - delete from one list and add as another's head
+ * @list: the entry to move
+ * @head: the head that will precede our entry
+ */
+static inline void list_move(struct list_head *list, struct list_head *head)
+{
+	__list_del(list->prev, list->next);
+	list_add(list, head);
+}
+
+/**
+ * list_move_tail - delete from one list and add as another's tail
+ * @list: the entry to move
+ * @head: the head that will follow our entry
+ */
+static inline void list_move_tail(struct list_head *list,
+				  struct list_head *head)
+{
+	__list_del(list->prev, list->next);
+	list_add_tail(list, head);
+}
+
+/**
+ * list_is_last - tests whether @list is the last entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_last(const struct list_head *list,
+				const struct list_head *head)
+{
+	return list->next == head;
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+	return head->next == head;
+}
+
+/**
+ * list_empty_careful - tests whether a list is empty and not being modified
+ * @head: the list to test
+ *
+ * Description:
+ * tests whether a list is empty _and_ checks that no other CPU might be
+ * in the process of modifying either member (next or prev)
+ *
+ * NOTE: using list_empty_careful() without synchronization
+ * can only be safe if the only activity that can happen
+ * to the list entry is list_del_init(). Eg. it cannot be used
+ * if another CPU could re-list_add() it.
+ */
+static inline int list_empty_careful(const struct list_head *head)
+{
+	struct list_head *next = head->next;
+	return (next == head) && (next == head->prev);
+}
+
+static inline void __list_splice(struct list_head *list,
+				 struct list_head *head)
+{
+	struct list_head *first = list->next;
+	struct list_head *last = list->prev;
+	struct list_head *at = head->next;
+
+	first->prev = head;
+	head->next = first;
+
+	last->next = at;
+	at->prev = last;
+}
+
+/**
+ * list_splice - join two lists
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static inline void list_splice(struct list_head *list, struct list_head *head)
+{
+	if (!list_empty(list))
+		__list_splice(list, head);
+}
+
+/**
+ * list_splice_init - join two lists and reinitialise the emptied list.
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ *
+ * The list at @list is reinitialised
+ */
+static inline void list_splice_init(struct list_head *list,
+				    struct list_head *head)
+{
+	if (!list_empty(list)) {
+		__list_splice(list, head);
+		INIT_LIST_HEAD(list);
+	}
+}
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr:	the &struct list_head pointer.
+ * @type:	the type of the struct this is embedded in.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+	container_of(ptr, type, member)
+
+/**
+ * list_first_entry - get the first element from a list
+ * @ptr:	the list head to take the element from.
+ * @type:	the type of the struct this is embedded in.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_first_entry(ptr, type, member) \
+	list_entry((ptr)->next, type, member)
+
+/**
+ * list_for_each	-	iterate over a list
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @head:	the head for your list.
+ */
+#define list_for_each(pos, head) \
+	for (pos = (head)->next; pos != (head); \
+        	pos = pos->next)
+
+/**
+ * __list_for_each	-	iterate over a list
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @head:	the head for your list.
+ *
+ * This variant differs from list_for_each() in that it's the
+ * simplest possible list iteration code, no prefetching is done.
+ * Use this for code that knows the list to be very short (empty
+ * or 1 entry) most of the time.
+ */
+#define __list_for_each(pos, head) \
+	for (pos = (head)->next; pos != (head); pos = pos->next)
+
+/**
+ * list_for_each_prev	-	iterate over a list backwards
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @head:	the head for your list.
+ */
+#define list_for_each_prev(pos, head) \
+	for (pos = (head)->prev; pos != (head); \
+        	pos = pos->prev)
+
+/**
+ * list_for_each_safe - iterate over a list safe against removal of list entry
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @n:		another &struct list_head to use as temporary storage
+ * @head:	the head for your list.
+ */
+#define list_for_each_safe(pos, n, head) \
+	for (pos = (head)->next, n = pos->next; pos != (head); \
+		pos = n, n = pos->next)
+
+/**
+ * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
+ * @pos:	the &struct list_head to use as a loop cursor.
+ * @n:		another &struct list_head to use as temporary storage
+ * @head:	the head for your list.
+ */
+#define list_for_each_prev_safe(pos, n, head) \
+	for (pos = (head)->prev, n = pos->prev; \
+	     pos != (head); \
+	     pos = n, n = pos->prev)
+
+/**
+ * list_for_each_entry	-	iterate over list of given type
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member)				\
+	for (pos = list_entry((head)->next, typeof(*pos), member);	\
+	     &pos->member != (head); 	\
+	     pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_reverse - iterate backwards over list of given type.
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_reverse(pos, head, member)			\
+	for (pos = list_entry((head)->prev, typeof(*pos), member);	\
+	     &pos->member != (head); 	\
+	     pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
+ * @pos:	the type * to use as a start point
+ * @head:	the head of the list
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
+ */
+#define list_prepare_entry(pos, head, member) \
+	((pos) ? : list_entry(head, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue - continue iteration over list of given type
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Continue to iterate over list of given type, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue(pos, head, member) 		\
+	for (pos = list_entry(pos->member.next, typeof(*pos), member);	\
+	     &pos->member != (head);	\
+	     pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue_reverse - iterate backwards from the given point
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Start to iterate over list of given type backwards, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue_reverse(pos, head, member)		\
+	for (pos = list_entry(pos->member.prev, typeof(*pos), member);	\
+	     &pos->member != (head);	\
+	     pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_from - iterate over list of given type from the current point
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing from current position.
+ */
+#define list_for_each_entry_from(pos, head, member) 			\
+	for (; &pos->member != (head);	\
+	     pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member)			\
+	for (pos = list_entry((head)->next, typeof(*pos), member),	\
+		n = list_entry(pos->member.next, typeof(*pos), member);	\
+	     &pos->member != (head); 					\
+	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_continue
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing after current point,
+ * safe against removal of list entry.
+ */
+#define list_for_each_entry_safe_continue(pos, n, head, member) 		\
+	for (pos = list_entry(pos->member.next, typeof(*pos), member), 		\
+		n = list_entry(pos->member.next, typeof(*pos), member);		\
+	     &pos->member != (head);						\
+	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_from
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type from current point, safe against
+ * removal of list entry.
+ */
+#define list_for_each_entry_safe_from(pos, n, head, member) 			\
+	for (n = list_entry(pos->member.next, typeof(*pos), member);		\
+	     &pos->member != (head);						\
+	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_reverse
+ * @pos:	the type * to use as a loop cursor.
+ * @n:		another type * to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Iterate backwards over list of given type, safe against removal
+ * of list entry.
+ */
+#define list_for_each_entry_safe_reverse(pos, n, head, member)		\
+	for (pos = list_entry((head)->prev, typeof(*pos), member),	\
+		n = list_entry(pos->member.prev, typeof(*pos), member);	\
+	     &pos->member != (head); 					\
+	     pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+
+/*
+ * Double linked lists with a single pointer list head.
+ * Mostly useful for hash tables where the two pointer list head is
+ * too wasteful.
+ * You lose the ability to access the tail in O(1).
+ */
+
+struct hlist_head {
+	struct hlist_node *first;
+};
+
+struct hlist_node {
+	struct hlist_node *next, **pprev;
+};
+
+#define HLIST_HEAD_INIT { .first = NULL }
+#define HLIST_HEAD(name) struct hlist_head name = {  .first = NULL }
+#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
+static inline void INIT_HLIST_NODE(struct hlist_node *h)
+{
+	h->next = NULL;
+	h->pprev = NULL;
+}
+
+static inline int hlist_unhashed(const struct hlist_node *h)
+{
+	return !h->pprev;
+}
+
+static inline int hlist_empty(const struct hlist_head *h)
+{
+	return !h->first;
+}
+
+static inline void __hlist_del(struct hlist_node *n)
+{
+	struct hlist_node *next = n->next;
+	struct hlist_node **pprev = n->pprev;
+	*pprev = next;
+	if (next)
+		next->pprev = pprev;
+}
+
+static inline void hlist_del(struct hlist_node *n)
+{
+	__hlist_del(n);
+	n->next = NULL;
+	n->pprev = NULL;
+}
+
+static inline void hlist_del_init(struct hlist_node *n)
+{
+	if (!hlist_unhashed(n)) {
+		__hlist_del(n);
+		INIT_HLIST_NODE(n);
+	}
+}
+
+
+static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
+{
+	struct hlist_node *first = h->first;
+	n->next = first;
+	if (first)
+		first->pprev = &n->next;
+	h->first = n;
+	n->pprev = &h->first;
+}
+
+
+/* next must be != NULL */
+static inline void hlist_add_before(struct hlist_node *n,
+					struct hlist_node *next)
+{
+	n->pprev = next->pprev;
+	n->next = next;
+	next->pprev = &n->next;
+	*(n->pprev) = n;
+}
+
+static inline void hlist_add_after(struct hlist_node *n,
+					struct hlist_node *next)
+{
+	next->next = n->next;
+	n->next = next;
+	next->pprev = &n->next;
+
+	if(next->next)
+		next->next->pprev  = &next->next;
+}
+
+#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
+
+#define hlist_for_each(pos, head) \
+	for (pos = (head)->first; pos; pos = pos->next)
+
+#define hlist_for_each_safe(pos, n, head) \
+	for (pos = (head)->first; pos; pos = n)
+
+/**
+ * hlist_for_each_entry	- iterate over list of given type
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry(tpos, pos, head, member)			 \
+	for (pos = (head)->first; pos &&				 \
+		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+	     pos = pos->next)
+
+/**
+ * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_continue(tpos, pos, member)		\
+	for (pos = (pos)->next; pos &&					\
+	     ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;});   \
+	     pos = pos->next)
+
+/**
+ * hlist_for_each_entry_from - iterate over a hlist continuing from current point
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_from(tpos, pos, member)			 \
+	for (; pos &&			 \
+		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+	     pos = pos->next)
+
+/**
+ * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @tpos:	the type * to use as a loop cursor.
+ * @pos:	the &struct hlist_node to use as a loop cursor.
+ * @n:		another &struct hlist_node to use as temporary storage
+ * @head:	the head for your list.
+ * @member:	the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_safe(tpos, pos, n, head, member) 		 \
+	for (pos = (head)->first;					 \
+	     pos && ({ n = pos->next; 1; }) && 				 \
+		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+	     pos = n)
+
+#endif

package/tapi_sip/src/session.c

@@ -0,0 +1,84 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "agent.h"
+#include "session.h"
+
+#include <tapi-device.h>
+
+
+struct session
+{
+	struct agent *agents[2];
+
+	struct tapi_device *tdev;
+
+	void (*release)(struct session *);
+
+	int link;
+};
+
+struct session *session_alloc(struct tapi_device *dev, struct agent *caller,
+	struct agent *callee, void (*release)(struct session *))
+{
+	struct session *session;
+	int ret;
+
+	session = malloc(sizeof(*session));
+
+	session->tdev = dev;
+
+	session->agents[0] = caller;
+	session->agents[1] = callee;
+
+	ret = agent_invite(callee, session);
+	if (ret < 0) {
+		session_hangup(session, callee);
+		free(session);
+		return NULL;
+	}
+
+	session->release = release;
+
+	return session;
+}
+
+void session_accept(struct session *session, struct agent *agent)
+{
+	int ep[2];
+
+	printf("session_accept: %p %p\n", session, agent);
+	printf("session agents: %p %p\n", session->agents[0], session->agents[1]);
+	printf("session tdev: %p\n", session->tdev);
+
+	agent_accept(session->agents[0], session);
+
+	ep[0] = agent_get_endpoint(session->agents[0], session);
+	ep[1] = agent_get_endpoint(session->agents[1], session);
+	session->link = tapi_link_alloc(session->tdev, ep[0], ep[1]);
+
+	printf("eps: %d %d\n", ep[0], ep[1]);
+
+	tapi_link_enable(session->tdev, session->link);
+
+	tapi_sync(session->tdev);
+}
+
+void session_hangup(struct session *session, struct agent *agent)
+{
+	struct agent *other_agent;
+
+	if (session->agents[0] == agent)
+		other_agent = session->agents[1];
+	else
+		other_agent = session->agents[0];
+
+	agent_hangup(other_agent, session);
+
+	tapi_link_disable(session->tdev, session->link);
+	tapi_link_free(session->tdev, session->link);
+	tapi_sync(session->tdev);
+
+	if (session->release)
+		session->release(session);
+}

package/tapi_sip/src/session.h

@@ -0,0 +1,14 @@
+#ifndef __SESSION_H__
+#define __SESSION_H__
+
+struct agent;
+struct session;
+struct tapi_device;
+
+struct session *session_alloc(struct tapi_device *, struct agent *caller,
+	struct agent *callee, void (*release)(struct session *));
+void session_hangup(struct session *, struct agent *);
+void session_accept(struct session *, struct agent *);
+void session_free(struct session *);
+
+#endif

package/tapi_sip/src/sip_agent.h

@@ -0,0 +1,27 @@
+#ifndef __SIP_AGENT_H__
+#define __SIP_AGENT_H__
+
+#include "agent.h"
+#include <events.h>
+
+struct sip_agent {
+	struct sip_client *client;
+	const char *identifier;
+
+	struct tapi_stream *stream;
+	struct session *session;
+
+	struct pjsip_inv_session *inv;
+
+	int rtp_sockfd;
+
+	struct sockaddr_storage remote_addr;
+	struct sockaddr_storage local_addr;
+
+	struct agent agent;
+
+	struct event_callback rtp_recv_callback;
+	struct event_callback stream_recv_callback;
+};
+
+#endif

package/tapi_sip/src/sip_client.c

@@ -0,0 +1,800 @@
+#include "sip_client.h"
+
+#include <stdint.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <sys/epoll.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+
+#include "stun.h"
+#include "sip_agent.h"
+#include "session.h"
+#include "list.h"
+
+static inline struct sip_agent *agent_to_sip_agent(struct agent *agent)
+{
+	return container_of(agent, struct sip_agent, agent);
+}
+
+static int iface_get_addr(const char *iface, struct sockaddr_storage *addr)
+{
+	int fd;
+	int ret;
+	struct ifreq ifr;
+
+	fd = socket(AF_INET, SOCK_DGRAM, 0);
+
+	ifr.ifr_addr.sa_family = AF_INET;
+	strncpy(ifr.ifr_name, iface, IFNAMSIZ-1);
+	ret = ioctl(fd, SIOCGIFADDR, &ifr);
+	if (ret < 0)
+		perror("Failed to get interface address");
+
+	close(fd);
+
+	if (ret == 0)
+		memcpy(addr, &ifr.ifr_addr, sizeof(ifr.ifr_addr));
+
+	return ret;
+}
+
+#if 0
+static bool sockaddr_is_local(struct sockaddr_storage *addr)
+{
+	unsigned long s_addr;
+	bool is_local = false;
+
+	switch (addr->ss_family) {
+	case AF_INET:
+		s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
+		if ((s_addr & 0xff000000) == 0x10000000)
+			is_local = true;
+		else if ((s_addr & 0xfff00000) == 0xac100000)
+			is_local = true;
+		else if ((s_addr & 0xffff0000) == 0xc0a80000)
+			is_local = true;
+		break;
+	default:
+		break;
+	}
+
+	return is_local;
+}
+#endif
+
+static uint16_t sockaddr_get_port(struct sockaddr_storage *addr)
+{
+	uint16_t port;
+
+	switch (addr->ss_family) {
+	case AF_INET:
+		port = ((struct sockaddr_in *)addr)->sin_port;
+		break;
+	case AF_INET6:
+		port = ((struct sockaddr_in6 *)addr)->sin6_port;
+		break;
+	default:
+		port = 0;
+		break;
+	}
+
+	return port;
+}
+
+static void sockaddr_set_port(struct sockaddr_storage *addr, uint16_t port)
+{
+	switch (addr->ss_family) {
+	case AF_INET:
+		((struct sockaddr_in *)addr)->sin_port = port;
+		break;
+	case AF_INET6:
+		((struct sockaddr_in6 *)addr)->sin6_port = port;
+		break;
+	default:
+		break;
+	}
+}
+
+static void *sockaddr_get_addr(struct sockaddr_storage *addr)
+{
+	void *a;
+	switch (addr->ss_family) {
+	case AF_INET:
+		a = &((struct sockaddr_in *)addr)->sin_addr.s_addr;
+		break;
+	case AF_INET6:
+		a = ((struct sockaddr_in6 *)addr)->sin6_addr.s6_addr;
+		break;
+	default:
+		a = NULL;
+		break;
+	}
+
+	return a;
+}
+
+static int sockaddr_to_string(struct sockaddr_storage *addr, char *s, size_t n)
+{
+	return inet_ntop(addr->ss_family, sockaddr_get_addr(addr), s, n) == NULL ? -1 : 0;
+}
+
+static pjsip_module mod_siprtp;
+static struct sip_client *global_client;
+
+/* Creates a datagram socket and binds it to a port in the range of
+ * start_port-end_port */
+static int sip_client_create_socket(struct sip_client *client,
+	struct sockaddr_storage *sockaddr, uint16_t start_port,
+	uint16_t end_port)
+{
+	int sockfd;
+	int ret;
+
+	sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sockfd < 0)
+		return sockfd;
+
+	memcpy(sockaddr, &client->local_addr, sizeof(client->local_addr));
+	do {
+		sockaddr_set_port(sockaddr, start_port);
+		ret = bind(sockfd, (struct sockaddr *)sockaddr, sizeof(*sockaddr));
+		++start_port;
+	} while (ret == -1 && start_port < end_port);
+
+	if (ret == -1)
+		return -1;
+
+	return sockfd;
+}
+
+static int sip_worker_thread(void *arg)
+{
+	struct sip_client *client = arg;
+
+    while (1) {
+		pj_time_val timeout = {0, 10};
+		pjsip_endpt_handle_events(client->sip_endpt, &timeout);
+    }
+
+    return 0;
+}
+
+static bool sip_agent_stream_recv_callback(int events, void *data)
+{
+	struct sip_agent *agent = data;
+	char buf[512];
+	int len;
+	int ret;
+
+	len = read(agent->stream->fd, buf, 512);
+	if (len < 0)
+		return true;
+
+	ret = sendto(agent->rtp_sockfd, buf, len, 0,
+		(struct sockaddr *)&agent->remote_addr, sizeof(agent->remote_addr));
+
+	if (ret < 0)
+		printf("failed to send rtp data: %d\n", errno);
+
+	return true;
+}
+
+
+static bool sip_agent_rtp_recv_callback(int events, void *data)
+{
+	struct sip_agent *agent = data;
+	char buf[512];
+	int len;
+
+	len = recvfrom(agent->rtp_sockfd, buf, 512, 0, NULL, NULL);
+	if (agent->stream)
+		write(agent->stream->fd, buf, len);
+
+	return true;
+}
+
+static pj_status_t sip_client_create_sdp(struct sip_client *client, pj_pool_t *pool,
+			       struct sip_agent *agent,
+			       pjmedia_sdp_session **p_sdp)
+{
+    pj_time_val tv;
+    pjmedia_sdp_session *sdp;
+    pjmedia_sdp_media *m;
+    pjmedia_sdp_attr *attr;
+	struct sockaddr_storage rtp_addr;
+	char addr[INET6_ADDRSTRLEN];
+
+    PJ_ASSERT_RETURN(pool && p_sdp, PJ_EINVAL);
+
+	agent->rtp_sockfd = sip_client_create_socket(client, &rtp_addr, 4000, 5000);
+	if (client->stun)
+		stun_client_resolve(client->stun, agent->rtp_sockfd,
+			(struct sockaddr *)&rtp_addr);
+
+	agent->rtp_recv_callback.callback = sip_agent_rtp_recv_callback;
+	agent->rtp_recv_callback.data = agent;
+	event_register(agent->rtp_sockfd, EPOLLIN, &agent->rtp_recv_callback);
+
+    /* Create and initialize basic SDP session */
+    sdp = pj_pool_zalloc (pool, sizeof(pjmedia_sdp_session));
+
+    pj_gettimeofday(&tv);
+    sdp->origin.user = pj_str("pjsip-siprtp");
+    sdp->origin.version = sdp->origin.id = tv.sec + 2208988800UL;
+    sdp->origin.net_type = pj_str("IN");
+    sdp->origin.addr_type = pj_str("IP4");
+    sdp->origin.addr = *pj_gethostname();
+    sdp->name = pj_str("pjsip");
+
+    /* Since we only support one media stream at present, put the
+     * SDP connection line in the session level.
+     */
+    sdp->conn = pj_pool_zalloc(pool, sizeof(pjmedia_sdp_conn));
+    sdp->conn->net_type = pj_str("IN");
+    sdp->conn->addr_type = pj_str("IP4");
+	sockaddr_to_string(&rtp_addr, addr, sizeof(addr));
+	pj_strdup2_with_null(pool, &sdp->conn->addr, addr);
+
+    /* SDP time and attributes. */
+    sdp->time.start = sdp->time.stop = 0;
+    sdp->attr_count = 0;
+
+    /* Create media stream 0: */
+
+    sdp->media_count = 1;
+    m = pj_pool_zalloc(pool, sizeof(pjmedia_sdp_media));
+    sdp->media[0] = m;
+
+    /* Standard media info: */
+    m->desc.media = pj_str("audio");
+    m->desc.port = sockaddr_get_port(&rtp_addr);
+    m->desc.port_count = 1;
+    m->desc.transport = pj_str("RTP/AVP");
+
+    /* Add format and rtpmap for each codec. */
+    m->desc.fmt_count = 1;
+    m->attr_count = 0;
+
+    {
+	pjmedia_sdp_rtpmap rtpmap;
+	char ptstr[10];
+
+	sprintf(ptstr, "%d", 0);
+	pj_strdup2_with_null(pool, &m->desc.fmt[0], ptstr);
+	rtpmap.pt = m->desc.fmt[0];
+	rtpmap.clock_rate = 64000;
+	rtpmap.enc_name = pj_str("PCMU");
+	rtpmap.param.slen = 0;
+
+    }
+
+    /* Add sendrecv attribute. */
+    attr = pj_pool_zalloc(pool, sizeof(pjmedia_sdp_attr));
+    attr->name = pj_str("sendrecv");
+    m->attr[m->attr_count++] = attr;
+
+    /* Done */
+    *p_sdp = sdp;
+
+    return PJ_SUCCESS;
+}
+
+static int sip_agent_invite(struct agent *agent, struct session *session)
+{
+	struct sip_agent *sip_agent = agent_to_sip_agent(agent);
+	struct sip_client *client = sip_agent->client;
+    pjsip_dialog *dlg;
+    pjmedia_sdp_session *sdp;
+    pjsip_tx_data *tdata;
+    pj_status_t status;
+	pj_str_t dst_uri;
+
+	sip_agent->session = session;
+
+	dst_uri = pj_str((char *)sip_agent->identifier);
+
+    /* Create UAC dialog */
+    status = pjsip_dlg_create_uac(pjsip_ua_instance(),
+				   &client->local_contact,	/* local URI	    */
+				   &client->local_contact,	/* local Contact    */
+				   &dst_uri,		/* remote URI    */
+				   &dst_uri,		/* remote target	    */
+				   &dlg);		/* dialog	    */
+    if (status != PJ_SUCCESS) {
+		fprintf(stderr, "Failed to create uac dialog\n");
+		return -1;
+	}
+
+	pjsip_auth_clt_set_credentials(&dlg->auth_sess, 1, &client->cred);
+
+    /* Create SDP */
+    sip_client_create_sdp(client, dlg->pool, sip_agent, &sdp);
+
+    /* Create the INVITE session. */
+    status = pjsip_inv_create_uac(dlg, sdp, 0, &sip_agent->inv);
+    if (status != PJ_SUCCESS) {
+		fprintf(stderr, "Failed to create invite session\n");
+		pjsip_dlg_terminate(dlg);
+		return -1;
+    }
+
+
+    /* Attach call data to invite session */
+    sip_agent->inv->mod_data[mod_siprtp.id] = sip_agent;
+
+    /* Create initial INVITE request.
+     * This INVITE request will contain a perfectly good request and
+     * an SDP body as well.
+     */
+    status = pjsip_inv_invite(sip_agent->inv, &tdata);
+    PJ_ASSERT_RETURN(status == PJ_SUCCESS, -1); /*TODO*/
+
+    /* Send initial INVITE request.
+     * From now on, the invite session's state will be reported to us
+     * via the invite session callbacks.
+     */
+    status = pjsip_inv_send_msg(sip_agent->inv, tdata);
+    PJ_ASSERT_RETURN(status == PJ_SUCCESS, -1); /*TODO*/
+
+    return 0;
+}
+
+static int sip_agent_hangup(struct agent *agent, struct session *session)
+{
+	struct sip_agent *sip_agent = agent_to_sip_agent(agent);
+    pjsip_tx_data *tdata;
+    pj_status_t status;
+
+	printf("hangup %p\n", sip_agent->inv);
+
+    status = pjsip_inv_end_session(sip_agent->inv, 603, NULL, &tdata);
+    if (status == PJ_SUCCESS && tdata != NULL)
+		pjsip_inv_send_msg(sip_agent->inv, tdata);
+
+	if (sip_agent->rtp_sockfd) {
+		event_unregister(sip_agent->rtp_sockfd);
+		close(sip_agent->rtp_sockfd);
+	}
+	if (sip_agent->stream) {
+		event_unregister(sip_agent->stream->fd);
+		tapi_stream_free(sip_agent->stream);
+	}
+
+	sip_agent->inv->mod_data[mod_siprtp.id] = NULL;
+	free(sip_agent);
+
+	return 0;
+}
+
+static int sip_agent_alloc_stream(struct sip_agent *agent)
+{
+	int flags;
+
+	if (agent->stream)
+		printf("BUG!!!! %s:%s[%d]\n", __FILE__, __func__, __LINE__);
+
+	agent->stream = tapi_stream_alloc(agent->client->tdev);
+	agent->stream_recv_callback.callback = sip_agent_stream_recv_callback;
+	agent->stream_recv_callback.data = agent;
+
+	flags = fcntl(agent->stream->fd, F_GETFL, 0);
+	fcntl(agent->stream->fd, F_SETFL, flags | O_NONBLOCK);
+
+	event_register(agent->stream->fd, EPOLLIN, &agent->stream_recv_callback);
+
+	return 0;
+}
+
+static void sip_agent_free_stream(struct sip_agent *agent)
+{
+	if (!agent->stream)
+		return;
+
+	event_unregister(agent->stream->fd);
+	tapi_stream_free(agent->stream);
+	agent->stream = NULL;
+}
+
+static int sip_agent_accept(struct agent *agent, struct session *session)
+{
+	struct sip_agent *sip_agent = agent_to_sip_agent(agent);
+    pj_status_t status;
+	pjsip_tx_data *tdata;
+
+    /* Create 200 response .*/
+    status = pjsip_inv_answer(sip_agent->inv, 200,
+				      NULL, NULL, &tdata);
+    if (status != PJ_SUCCESS) {
+		status = pjsip_inv_answer(sip_agent->inv,
+					  PJSIP_SC_NOT_ACCEPTABLE,
+					  NULL, NULL, &tdata);
+		if (status == PJ_SUCCESS)
+			pjsip_inv_send_msg(sip_agent->inv, tdata);
+		else
+			pjsip_inv_terminate(sip_agent->inv, 500, PJ_FALSE);
+		return -1;
+    }
+
+    /* Send the 200 response. */
+    status = pjsip_inv_send_msg(sip_agent->inv, tdata);
+    PJ_ASSERT_ON_FAIL(status == PJ_SUCCESS, return -1);
+
+	sip_agent_alloc_stream(sip_agent);
+
+	return 0;
+}
+
+static int sip_agent_get_endpoint(struct agent *agent, struct session *session)
+{
+	struct sip_agent *sip_agent = agent_to_sip_agent(agent);
+	return tapi_stream_get_endpoint(sip_agent->stream);
+}
+
+static const struct agent_ops sip_agent_ops = {
+	.invite = sip_agent_invite,
+	.accept = sip_agent_accept,
+	.hangup = sip_agent_hangup,
+	.get_endpoint = sip_agent_get_endpoint,
+};
+
+struct sip_agent *sip_client_alloc_agent(struct sip_client *client,
+	const char *identifier)
+{
+	struct sip_agent *agent;
+
+	agent = malloc(sizeof(*agent));
+	memset(agent, 0, sizeof(*agent));
+
+	agent->agent.ops = &sip_agent_ops;
+	agent->identifier = identifier;
+	agent->client = client;
+
+	return agent;
+}
+
+/*
+ * Receive incoming call
+ */
+static void process_incoming_call(struct sip_client *client, pjsip_rx_data *rdata)
+{
+    unsigned options;
+	struct sip_agent *agent;
+    pjsip_tx_data *tdata;
+    pj_status_t status;
+    pjsip_dialog *dlg;
+    pjmedia_sdp_session *sdp;
+
+	agent = sip_client_alloc_agent(client, "extern");
+
+    /* Verify that we can handle the request. */
+    options = 0;
+    status = pjsip_inv_verify_request(rdata, &options, NULL, NULL,
+  				   client->sip_endpt, &tdata);
+    if (status != PJ_SUCCESS) {
+		/*
+		 * No we can't handle the incoming INVITE request.
+		 */
+		if (tdata) {
+			pjsip_response_addr res_addr;
+			pjsip_get_response_addr(tdata->pool, rdata, &res_addr);
+			pjsip_endpt_send_response(client->sip_endpt, &res_addr, tdata,
+			NULL, NULL);
+		} else {
+			/* Respond with 500 (Internal Server Error) */
+			pjsip_endpt_respond_stateless(client->sip_endpt, rdata, 500, NULL,
+			NULL, NULL);
+		}
+
+		return;
+    }
+
+    /* Create UAS dialog */
+    status = pjsip_dlg_create_uas(pjsip_ua_instance(), rdata,
+				   &client->local_contact, &dlg);
+    if (status != PJ_SUCCESS) {
+		const pj_str_t reason = pj_str("Unable to create dialog");
+		pjsip_endpt_respond_stateless(client->sip_endpt, rdata, 
+				       500, &reason,
+				       NULL, NULL);
+		return;
+    }
+
+    /* Create SDP */
+    sip_client_create_sdp(client, dlg->pool, agent, &sdp);
+
+    /* Create UAS invite session */
+    status = pjsip_inv_create_uas(dlg, rdata, sdp, 0, &agent->inv);
+    if (status != PJ_SUCCESS) {
+		pjsip_dlg_create_response(dlg, rdata, 500, NULL, &tdata);
+		pjsip_dlg_send_response(dlg, pjsip_rdata_get_tsx(rdata), tdata);
+		return;
+    }
+
+    /* Attach call data to invite session */
+    agent->inv->mod_data[mod_siprtp.id] = agent;
+
+    /* Create 180 response .*/
+    status = pjsip_inv_initial_answer(agent->inv, rdata, 180,
+				      NULL, NULL, &tdata);
+    if (status != PJ_SUCCESS) {
+		status = pjsip_inv_initial_answer(agent->inv, rdata,
+					  PJSIP_SC_NOT_ACCEPTABLE,
+					  NULL, NULL, &tdata);
+		if (status == PJ_SUCCESS)
+			pjsip_inv_send_msg(agent->inv, tdata);
+		else
+			pjsip_inv_terminate(agent->inv, 500, PJ_FALSE);
+		return;
+    }
+
+    /* Send the 180 response. */
+    status = pjsip_inv_send_msg(agent->inv, tdata);
+    PJ_ASSERT_ON_FAIL(status == PJ_SUCCESS, return);
+
+	if (client->incoming_call_cb)
+		client->incoming_call_cb(client, agent);
+}
+
+/* Callback to be called to handle incoming requests outside dialogs: */
+static pj_bool_t on_rx_request(pjsip_rx_data *rdata)
+{
+	struct sip_client *client = global_client;
+
+    /* Ignore strandled ACKs (must not send respone */
+    if (rdata->msg_info.msg->line.req.method.id == PJSIP_ACK_METHOD)
+		return PJ_FALSE;
+
+    /* Respond (statelessly) any non-INVITE requests with 500  */
+    if (rdata->msg_info.msg->line.req.method.id != PJSIP_INVITE_METHOD) {
+		pj_str_t reason = pj_str("Unsupported Operation");
+		pjsip_endpt_respond_stateless(client->sip_endpt, rdata,
+				       500, &reason,
+				       NULL, NULL);
+		return PJ_TRUE;
+    }
+
+    /* Handle incoming INVITE */
+    process_incoming_call(client, rdata);
+
+    /* Done */
+    return PJ_TRUE;
+}
+
+static pjsip_module sip_client_mod = {
+    NULL, NULL,			    /* prev, next.		*/
+    { "mod-tapisip", 13 },	    /* Name.			*/
+    -1,				    /* Id			*/
+    PJSIP_MOD_PRIORITY_APPLICATION, /* Priority			*/
+    NULL,			    /* load()			*/
+    NULL,			    /* start()			*/
+    NULL,			    /* stop()			*/
+    NULL,			    /* unload()			*/
+    &on_rx_request,		    /* on_rx_request()		*/
+    NULL,			    /* on_rx_response()		*/
+    NULL,			    /* on_tx_request.		*/
+    NULL,			    /* on_tx_response()		*/
+    NULL,			    /* on_tsx_state()		*/
+};
+
+/* Callback to be called when dialog has forked: */
+static void call_on_forked(pjsip_inv_session *inv, pjsip_event *e)
+{
+    PJ_UNUSED_ARG(inv);
+    PJ_UNUSED_ARG(e);
+}
+
+/* Callback to be called when invite session's state has changed: */
+static void call_on_state_changed(pjsip_inv_session *inv, pjsip_event *e)
+{
+    struct sip_agent *agent = inv->mod_data[mod_siprtp.id];
+
+	printf("state changed: %d\n", inv->state);
+
+    if (!agent)
+		return;
+
+	switch (inv->state) {
+    case PJSIP_INV_STATE_DISCONNECTED:
+		printf("Disconnected\n");
+		if (agent->session)
+			session_hangup(agent->session, &agent->agent);
+		if (agent->rtp_sockfd) {
+			event_unregister(agent->rtp_sockfd);
+			close(agent->rtp_sockfd);
+		}
+		sip_agent_free_stream(agent);
+		free(agent);
+		inv->mod_data[mod_siprtp.id] = NULL;
+		break;
+    case PJSIP_INV_STATE_CONFIRMED:
+		printf("Connected: %p\n", agent->stream);
+		if (agent->stream)
+			break;
+		sip_agent_alloc_stream(agent);
+		session_accept(agent->session, &agent->agent);
+		break;
+	default:
+		break;
+    }
+}
+
+static void call_on_media_update(pjsip_inv_session *inv, pj_status_t status)
+{
+    struct sip_agent *agent;
+    pj_pool_t *pool;
+    const pjmedia_sdp_session *local_sdp, *remote_sdp;
+	char local[100];
+	char remote[100];
+	int i;
+
+	printf("media updte\n");
+
+    agent = inv->mod_data[mod_siprtp.id];
+    pool = inv->dlg->pool;
+
+    /* Do nothing if media negotiation has failed */
+    if (status != PJ_SUCCESS)
+		return;
+    /* Capture stream definition from the SDP */
+    pjmedia_sdp_neg_get_active_local(inv->neg, &local_sdp);
+    pjmedia_sdp_neg_get_active_remote(inv->neg, &remote_sdp);
+
+	strlcpy(local, local_sdp->conn->addr.ptr, local_sdp->conn->addr.slen + 1);
+	printf("local media count: %d\n", local_sdp->media_count);
+	printf("local: %s %d\n", local,
+	ntohs(local_sdp->media[0]->desc.port));
+	strlcpy(remote, remote_sdp->conn->addr.ptr, remote_sdp->conn->addr.slen + 1);
+	printf("remote media count: %d\n", remote_sdp->media_count);
+	printf("remote: %s %d\n", remote,
+	ntohs(remote_sdp->media[0]->desc.port));
+
+	agent->remote_addr.ss_family = AF_INET;
+	inet_pton(AF_INET, remote,
+		sockaddr_get_addr(&agent->remote_addr));
+	sockaddr_set_port(&agent->remote_addr, remote_sdp->media[0]->desc.port);
+
+	printf("attributes: %d\n", remote_sdp->attr_count);
+	for (i = 0; i < remote_sdp->attr_count; ++i)
+		printf("%s: %s\n", remote_sdp->attr[i]->name.ptr,
+		remote_sdp->attr[i]->value.ptr);
+
+}
+
+static int sip_client_init_sip_endpoint(struct sip_client *client)
+{
+    pj_status_t status;
+	pjsip_host_port addrname;
+	pjsip_inv_callback inv_cb;
+	pjsip_transport *tp;
+	char public_addr[INET6_ADDRSTRLEN];
+
+	global_client = client;
+
+    pj_caching_pool_init(&client->cp, &pj_pool_factory_default_policy, 0);
+    client->pool = pj_pool_create(&client->cp.factory, "tapi sip", 1000, 1000, NULL);
+
+    status = pjsip_endpt_create(&client->cp.factory, NULL,
+				&client->sip_endpt);
+
+	client->sockfd = sip_client_create_socket(client, &client->public_addr, 5060, 5100);
+	if (client->stun)
+		stun_client_resolve(client->stun, client->sockfd, (struct sockaddr *)&client->public_addr);
+
+	sockaddr_to_string(&client->public_addr, public_addr, sizeof(public_addr));
+
+	addrname.host = pj_str(public_addr);
+	addrname.port = sockaddr_get_port(&client->public_addr);
+
+	pjsip_udp_transport_attach(client->sip_endpt, client->sockfd, &addrname, 1, &tp);
+
+    status = pjsip_tsx_layer_init_module(client->sip_endpt);
+    PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+    status = pjsip_ua_init_module(client->sip_endpt, NULL);
+    PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+    status = pjsip_100rel_init_module(client->sip_endpt);
+    PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
+
+	pj_bzero(&inv_cb, sizeof(inv_cb));
+	inv_cb.on_state_changed = &call_on_state_changed;
+	inv_cb.on_new_session = &call_on_forked;
+	inv_cb.on_media_update = &call_on_media_update;
+
+	status = pjsip_inv_usage_init(client->sip_endpt, &inv_cb);
+	PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
+
+    status = pjsip_endpt_register_module(client->sip_endpt, &sip_client_mod);
+
+	pj_thread_create(client->pool, "sip client", &sip_worker_thread, client,
+			  0, 0, &client->sip_thread);
+
+	return status;
+}
+
+static void sip_client_register_callback(struct pjsip_regc_cbparam *param)
+{
+	if (param->status != PJ_SUCCESS || param->code / 100 != 2)
+		printf("Failed to register: %d %d", param->status, param->code);
+}
+
+void sip_client_free(struct sip_client *client)
+{
+	pjsip_regc_destroy(client->regc);
+	pjsip_endpt_destroy(client->sip_endpt);
+}
+
+void sip_client_register(struct sip_client *client)
+{
+    pjsip_tx_data *tdata;
+
+	pjsip_regc_register(client->regc, true, &tdata);
+	pjsip_regc_send(client->regc, tdata);
+}
+
+void sip_client_set_cred(struct sip_client *client)
+{
+	char local_contact[100];
+	char server_uri[100];
+	char s[INET6_ADDRSTRLEN];
+	char contact_addr[INET6_ADDRSTRLEN + 10];
+	pj_str_t pj_contact_addr;
+
+	sockaddr_to_string(&client->public_addr, s, sizeof(s));
+
+	snprintf(contact_addr, sizeof(contact_addr), "sip:%s:%d", s,
+		sockaddr_get_port(&client->public_addr));
+	pj_contact_addr = pj_str(contact_addr);
+
+	client->cred.realm = pj_str((char *)client->config->host);
+	client->cred.scheme = pj_str("digest");
+	client->cred.username = pj_str((char *)client->config->username);
+	client->cred.data_type = PJSIP_CRED_DATA_PLAIN_PASSWD;
+	client->cred.data = pj_str((char *)client->config->password);
+
+	snprintf(local_contact, sizeof(local_contact), "sip:%s@%s",
+		client->config->username, client->config->host);
+    pj_strdup2_with_null(client->pool, &client->local_contact, local_contact);
+
+	snprintf(server_uri, sizeof(server_uri), "sip:%s\n", client->config->host);
+    pj_strdup2_with_null(client->pool, &client->server_uri, server_uri);
+
+	pjsip_regc_init(client->regc, &client->server_uri, &client->local_contact,
+		&client->local_contact, 1, &pj_contact_addr, 3600);
+	pjsip_regc_set_credentials(client->regc, 1, &client->cred);
+
+	sip_client_register(client);
+}
+
+void sip_client_init(struct sip_client *client, struct tapi_device *tdev,
+	const struct sip_client_config *config)
+{
+	global_client = client;
+	client->config = config;
+
+	client->tdev = tdev;
+
+	iface_get_addr(config->iface, &client->local_addr);
+
+	if (config->stun_host && config->stun_port)
+		client->stun = stun_client_alloc(config->stun_host, config->stun_port);
+	else
+		client->stun = NULL;
+
+	sip_client_init_sip_endpoint(client);
+
+	pjsip_regc_create(client->sip_endpt, client, sip_client_register_callback,
+		&client->regc);
+
+	sip_client_set_cred(client);
+}
+
+

package/tapi_sip/src/sip_client.h

@@ -0,0 +1,61 @@
+#ifndef __SIP_CLIENT_H__
+#define __SIP_CLIENT_H__
+
+#include <tapi-stream.h>
+#include <tapi-device.h>
+
+#include <pjsip.h>
+#include <pjsip_ua.h>
+#include <pjsip_simple.h>
+#include <pjlib-util.h>
+#include <pjlib.h>
+
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <stdint.h>
+
+struct stun_client;
+struct sip_agent;
+
+struct sip_client_config {
+	const char *iface;
+
+	const char *host;
+	uint16_t port;
+	const char *username;
+	const char *password;
+
+	const char *stun_host;
+	uint16_t stun_port;
+};
+
+struct sip_client {
+	const struct sip_client_config *config;
+
+	struct tapi_device *tdev;
+	struct stun_client *stun;
+
+	struct sockaddr_storage public_addr;
+	struct sockaddr_storage local_addr;
+
+	int sockfd;
+
+	pj_thread_t *sip_thread;
+    pj_caching_pool	 cp;
+    pj_pool_t		*pool;
+    pjsip_endpoint	*sip_endpt;
+	pjsip_cred_info cred;
+    pj_str_t		 local_contact;
+	pj_str_t		server_uri;
+
+	pjsip_regc *regc;
+
+	int (*incoming_call_cb)(struct sip_client *client, struct sip_agent *agent);
+};
+
+void sip_client_init(struct sip_client *client, struct tapi_device *dev,
+	const struct sip_client_config *config);
+
+struct sip_agent *sip_client_alloc_agent(struct sip_client *client, const char *dst_uri);
+
+#endif

package/tapi_sip/src/stun.c

@@ -0,0 +1,243 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#include <poll.h>
+
+
+struct stun_client {
+	struct addrinfo *serverinfo;
+};
+
+struct stun_response {
+	struct sockaddr addr;
+};
+
+struct stun_header {
+	uint16_t type;
+	uint16_t length;
+	uint32_t cookie;
+	uint32_t id[3];
+} __attribute((packed));
+
+struct stun_packet {
+	struct stun_header header;
+	uint8_t data[0];
+} __attribute((packed));
+
+#define STUN_CLASS(c0, c1) (((c0) << 4) | ((c1) << 8))
+
+#define STUN_CLASS_REQUEST	STUN_CLASS(0, 0)
+#define STUN_CLASS_INDICATION	STUN_CLASS(0, 1)
+#define STUN_CLASS_SUCCESS	STUN_CLASS(1, 0)
+#define STUN_CLASS_ERROR	STUN_CLASS(1, 1)
+
+#define STUN_CLASS_MASK STUN_CLASS(1, 1)
+
+#define STUN_MESSAGE(msg) (((msg & 0xf10) << 2) | ((msg & 0x70) << 1) | (msg & 0xf))
+#define STUN_MESSAGE_BIND STUN_MESSAGE(1)
+
+#define STUN_COOKIE 0x2112a442
+
+enum {
+	STUN_ATTR_TYPE_MAPPED_ADDRESS = 0x1,
+	STUN_ATTR_TYPE_XOR_MAPPED_ADDRESS = 0x20,
+	STUN_ATTR_TYPE_XOR_MAPPED_ADDRESS2 = 0x8020,
+};
+
+static inline uint16_t get_unaligned_be16(const uint8_t *buf)
+{
+	return (buf[0] << 8) | buf[1];
+}
+
+static inline uint16_t get_unaligned_be32(const uint8_t *buf)
+{
+	return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
+}
+
+static int stun_parse_xor_mapped_address(struct stun_response *response,
+	const uint8_t *buf, int length)
+{
+	uint8_t fam = buf[1];
+	uint16_t port = get_unaligned_be16(&buf[2]);
+	struct sockaddr_in *sin = (struct sockaddr_in *)&response->addr;
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&response->addr;
+
+
+	switch (fam) {
+	case 0x1:
+		sin->sin_family = AF_INET;
+		sin->sin_port = htons((port ^ (uint16_t)((STUN_COOKIE & 0xffff0000) >> 16)));
+		memcpy(&sin->sin_addr.s_addr, buf + 4, 4);
+		sin->sin_addr.s_addr ^= htonl(STUN_COOKIE);
+		printf("xor port: %d\n", sin->sin_port);
+		break;
+	case 0x2:
+		sin6->sin6_family = AF_INET6;
+		sin->sin_port = htons((port ^ (uint16_t)((STUN_COOKIE & 0xffff0000) >> 16)));
+		memcpy(sin6->sin6_addr.s6_addr, buf + 4, 16);
+		break;
+	}
+
+	return 0;
+}
+
+static int stun_parse_mapped_address(struct stun_response *response,
+	const uint8_t *buf, int length)
+{
+	uint8_t fam = buf[1];
+	uint16_t port = get_unaligned_be16(&buf[2]);
+	struct sockaddr_in *sin = (struct sockaddr_in *)&response->addr;
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&response->addr;
+
+	printf("port: %d\n", port);
+
+	switch (fam) {
+	case 0x1:
+		sin->sin_family = AF_INET;
+		sin->sin_port = htons(port);
+		memcpy(&sin->sin_addr.s_addr, buf + 4, 4);
+		break;
+	case 0x2:
+		sin6->sin6_family = AF_INET6;
+		sin6->sin6_port = htons(port);
+		memcpy(sin6->sin6_addr.s6_addr, buf + 4, 16);
+		break;
+	}
+
+	return 0;
+}
+
+static int stun_parse_response(struct stun_response *response,
+	const struct stun_packet *packet)
+{
+	uint16_t attr_type, attr_length;
+	const uint8_t *buf;
+	int length = ntohs(packet->header.length);
+	int ret;
+	int i = 0;
+
+	if (packet->header.cookie != htonl(STUN_COOKIE))
+		return -1;
+
+	if (packet->header.length < 4)
+		return 0;
+
+	buf = packet->data;
+
+	do {
+		attr_type = get_unaligned_be16(&buf[i]);
+		attr_length = get_unaligned_be16(&buf[i + 2]);
+		i += 4;
+
+		if (i + attr_length > length)
+			break;
+
+		switch (attr_type) {
+		case STUN_ATTR_TYPE_MAPPED_ADDRESS:
+			ret = stun_parse_mapped_address(response, &buf[i], attr_length);
+			break;
+		case STUN_ATTR_TYPE_XOR_MAPPED_ADDRESS:
+		case STUN_ATTR_TYPE_XOR_MAPPED_ADDRESS2:
+			ret = stun_parse_xor_mapped_address(response, &buf[i], attr_length);
+			break;
+		}
+
+		i += attr_length;
+
+	} while (i < length && ret == 0);
+
+	return 0;
+}
+
+static struct stun_packet *stun_packet_alloc(size_t data_size)
+{
+	return malloc(sizeof(struct stun_packet) + data_size);
+}
+
+int stun_client_resolve(struct stun_client *stun, int sockfd, struct sockaddr *addr)
+{
+	struct stun_packet *packet = stun_packet_alloc(200);
+	struct stun_response response;
+	int ret;
+	int retries = 4;
+	int timeout = 500;
+	struct pollfd pollfd;
+
+	pollfd.events = POLLIN;
+	pollfd.fd = sockfd;
+
+	packet->header.type = htons(STUN_CLASS_REQUEST | STUN_MESSAGE_BIND);
+	packet->header.cookie = htonl(STUN_COOKIE);
+	packet->header.id[0] = 0x12345678;
+	packet->header.id[1] = 0x12345678;
+	packet->header.id[2] = 0x12345678;
+	packet->header.length = 0;
+
+	while (retries--) {
+		ret = sendto(sockfd, packet, sizeof(struct stun_header) + packet->header.length,
+			0, stun->serverinfo->ai_addr, stun->serverinfo->ai_addrlen);
+
+		ret = poll(&pollfd, 1, timeout);
+		switch (ret) {
+		case 0:
+			timeout <<= 1;
+		case -EINTR:
+			printf("retry\n");
+			continue;
+		default:
+			retries = 0;
+		}
+		ret = recvfrom(sockfd, packet, 200, 0, NULL, NULL);
+	}
+
+	if (ret <= 0)
+		return ret ? ret : -ETIMEDOUT;
+
+	memset(&response, 0, sizeof(response));
+	ret = stun_parse_response(&response, packet);
+
+	*addr = response.addr;
+
+	return ret;
+}
+
+struct stun_client *stun_client_alloc(const char *hostname, uint16_t port)
+{
+    struct addrinfo hints;
+	struct stun_client *stun;
+	int ret;
+	char p[6];
+
+
+	stun = malloc(sizeof(*stun));
+	if (!stun)
+		return NULL;
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = AF_UNSPEC;
+    hints.ai_socktype = SOCK_DGRAM;
+	hints.ai_flags = AI_NUMERICSERV;
+
+	snprintf(p, sizeof(p), "%d", port);
+    if ((ret = getaddrinfo(hostname, p, &hints, &stun->serverinfo)) != 0) {
+        fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(ret));
+        return NULL;
+    }
+
+
+	return stun;
+}
+
+void stun_client_free(struct stun_client *stun)
+{
+	freeaddrinfo(stun->serverinfo);
+	free(stun);
+}

package/tapi_sip/src/stun.h

@@ -0,0 +1,12 @@
+#ifndef __STUN_H__
+#define __STUN_H__
+
+#include <stdint.h>
+
+struct stun_client;
+
+struct stun_client *stun_client_alloc(const char *hostname, uint16_t port);
+void stun_client_free(struct stun_client *);
+int stun_client_resolve(struct stun_client *stun, int sockfd, struct sockaddr *addr);
+
+#endif

package/tapi_sip/src/tapi_agent.c

@@ -0,0 +1,105 @@
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <tapi-port.h>
+
+#include "session.h"
+#include "agent.h"
+#include "tapi_agent.h"
+
+static int tapi_agent_invite(struct agent *agent, struct session *session)
+{
+	struct tapi_agent *tagent = agent_to_tapi_agent(agent);
+
+	if (tagent->session)
+		return -1;
+
+	tagent->state = TAPI_AGENT_STATE_RINGING;
+	tapi_port_set_ring(&tagent->port, true);
+
+	tagent->session = session;
+
+	return 0;
+}
+
+static int tapi_agent_accept(struct agent *agent, struct session *session)
+{
+	return 0;
+}
+
+static int tapi_agent_hangup(struct agent *agent, struct session *session)
+{
+	struct tapi_agent *tagent = agent_to_tapi_agent(agent);
+
+	switch (tagent->state) {
+	case TAPI_AGENT_STATE_RINGING:
+		tapi_port_set_ring(&tagent->port, false);
+		break;
+	default:
+		break;
+	}
+
+	tagent->state = TAPI_AGENT_STATE_IDLE;
+	tagent->session = NULL;
+
+	return 0;
+}
+
+static int tapi_agent_get_endpoint(struct agent *agent, struct session *session)
+{
+	struct tapi_agent *tagent = agent_to_tapi_agent(agent);
+	return tapi_port_get_endpoint(&tagent->port);
+}
+
+static const struct agent_ops tapi_agent_ops = {
+	.invite = tapi_agent_invite,
+	.accept = tapi_agent_accept,
+	.hangup = tapi_agent_hangup,
+	.get_endpoint = tapi_agent_get_endpoint,
+};
+
+static void tapi_agent_event(struct tapi_port *port, struct tapi_event *event,
+	void *data)
+{
+	struct tapi_agent *tagent = data;
+
+	if (event->type != TAPI_EVENT_TYPE_HOOK)
+		return;
+
+	if (!tagent->session)
+		return;
+
+	if (event->hook.on) {
+		session_hangup(tagent->session, &tagent->agent);
+		tagent->state = TAPI_AGENT_STATE_IDLE;
+		tagent->session = NULL;
+	} else {
+		session_accept(tagent->session, &tagent->agent);
+		tagent->state = TAPI_AGENT_STATE_ACTIVE;
+	}
+}
+
+void tapi_agent_init(struct tapi_device *tdev, int port, struct tapi_agent *tagent)
+{
+	int ret;
+
+	tagent->agent.ops = &tapi_agent_ops;
+	tagent->state = TAPI_AGENT_STATE_IDLE;
+	tagent->session = NULL;
+
+	ret = tapi_port_open(tdev, port, &tagent->port);
+	if (ret) {
+		printf("Failed to open tapi port %d: %d\n", port, ret);
+		return;
+	}
+
+	tagent->event_listener.callback = tapi_agent_event;
+	tagent->event_listener.data = tagent;
+
+	tapi_port_register_event(&tagent->port, &tagent->event_listener);
+}
+
+void tapi_agent_free(struct tapi_agent *tagent)
+{
+	tapi_port_unregister_event(&tagent->port, &tagent->event_listener);
+}

package/tapi_sip/src/tapi_agent.h

@@ -0,0 +1,37 @@
+#ifndef __TAPI_AGENT_H__
+#define __TAPI_AGENT_H__
+
+#include "agent.h"
+#include <tapi-port.h>
+
+struct session;
+
+enum tapi_agent_state {
+	TAPI_AGENT_STATE_IDLE,
+	TAPI_AGENT_STATE_RINGING,
+	TAPI_AGENT_STATE_ACTIVE,
+};
+
+struct tapi_agent {
+	struct agent agent;
+	struct tapi_port port;
+	struct tapi_port_event_listener event_listener;
+
+	enum tapi_agent_state state;
+
+	struct session *session;
+};
+
+static inline struct tapi_agent *agent_to_tapi_agent(struct agent *agent)
+{
+	return container_of(agent, struct tapi_agent, agent);
+}
+
+static inline struct tapi_agent *port_to_tapi_agent(struct tapi_port *port)
+{
+	return container_of(port, struct tapi_agent, port);
+}
+
+void tapi_agent_init(struct tapi_device *tdev, int port, struct tapi_agent *tagent);
+
+#endif

package/tapi_sip/src/tapi_sip.c

@@ -0,0 +1,179 @@
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <poll.h>
+#include <string.h>
+
+#include <linux/input.h>
+#include "dialdetector.h"
+
+#include <tapi-ioctl.h>
+
+#include <tapi-device.h>
+#include <tapi-port.h>
+
+#include "contact.h"
+#include "session.h"
+#include "sip_client.h"
+#include "sip_agent.h"
+#include "tapi_agent.h"
+
+static struct tapi_device dev;
+static struct tapi_agent *ports;
+
+static struct sip_client sip_client;
+
+static void release_session(struct session *session)
+{
+	free(session);
+}
+
+static void dial(struct tapi_agent *caller, struct agent *callee)
+{
+	struct session *session;
+
+	session = session_alloc(&dev, &caller->agent, callee, release_session);
+
+	if (!session)
+		return;
+
+	caller->session = session;
+}
+
+static void tel_dial(struct tapi_agent *caller, const char *number)
+{
+	int callee;
+
+	callee = atoi(number) - 1;
+
+	if (callee < 0 || callee > 1)
+		return;
+	dial(caller, &ports[callee].agent);
+}
+
+static void sip_dial(struct tapi_agent *caller, const char *identifier)
+{
+	struct sip_agent *callee;
+
+	callee = sip_client_alloc_agent(&sip_client, identifier);
+	if (!callee)
+		return;
+
+	dial(caller, &callee->agent);
+}
+
+static void dial_callback(struct tapi_port *port, size_t num_digits, const unsigned char *digits)
+{
+	struct tapi_agent *tagent = port_to_tapi_agent(port);
+	char number[100];
+	struct contact *contact;
+	size_t i;
+
+	if (tagent->state != TAPI_AGENT_STATE_IDLE)
+		return;
+
+	for (i = 0; i < num_digits; ++i) {
+		if (digits[0] > 9)
+			break;
+		number[i] = digits[i] + '0';
+	}
+	number[i] = '\0';
+
+	printf("dial callback: %s\n", number);
+
+	contact = contact_get(number);
+
+	if (!contact)
+		return;
+
+	if (strncmp("tel:", contact->identifier, 4) == 0) {
+		tel_dial(tagent, contact->identifier + 4);
+	} else if (strncmp("sip:", contact->identifier, 4) == 0) {
+		sip_dial(tagent, contact->identifier);
+	}
+	tagent->state = TAPI_AGENT_STATE_ACTIVE;
+}
+
+static int incoming_sip_call(struct sip_client *client,
+	struct sip_agent *caller)
+{
+	struct tapi_agent *callee = NULL;;
+	struct session *session;
+	int i;
+
+	for (i = 0; i < 2; ++i) {
+		if (ports[i].state == TAPI_AGENT_STATE_IDLE) {
+			callee = &ports[i];
+			break;
+		}
+	}
+
+	if (callee == NULL)
+		return -1;
+
+	session = session_alloc(&dev, &caller->agent, &callee->agent,
+		release_session);
+	caller->session = session;
+
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct dialdetector *dd, *dd2;
+	struct account *account;
+	struct sip_client_config config;
+	const char *interface = "eth0";
+	int ret;
+	int i;
+
+	if (argc > 1)
+		interface = argv[1];
+
+	pj_init();
+    pjlib_util_init();
+
+	contacts_init();
+
+	account = get_account();
+	if (!account) {
+		printf("No account\n");
+		return 1;
+	}
+
+	ret = tapi_device_open(0, &dev);
+	if (ret) {
+		printf("Failed to open tapi device: %d\n", ret);
+		return 1;
+	}
+
+	ports = calloc(dev.num_ports, sizeof(*ports));
+	for (i = 0; i < dev.num_ports; ++i)
+		tapi_agent_init(&dev, i, &ports[i]);
+
+	dd = dialdetector_alloc(&ports[0].port);
+	dd->dial_callback = dial_callback;
+	dd2 = dialdetector_alloc(&ports[1].port);
+	dd2->dial_callback = dial_callback;
+
+	config.iface = interface;
+	config.host = account->realm;
+	config.port = account->sip_port;
+	config.username = account->username;
+	config.password = account->password;
+
+	config.stun_host = account->stun_host;
+	config.stun_port = account->stun_port;
+
+	sip_client_init(&sip_client, &dev, &config);
+
+	sip_client.incoming_call_cb = incoming_sip_call;
+
+	tapi_mainloop();
+
+	return 0;
+}