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

SVN-Revision: 23840
lede-17.01
John Crispin 2010-11-03 19:12:34 +00:00
parent 72ae8452cd
commit a8b2a07f37
79 changed files with 8271 additions and 0 deletions
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43
package/libtapi/Makefile Normal file
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#
# 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))

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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

109
package/libtapi/src/dialdetector.c Normal file
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#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;
}

109
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#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;
}

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#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;
}

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#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

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#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

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#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);
}

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#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

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#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)

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#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);
}

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#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

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#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);
}

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#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

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#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);
}

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#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

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#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;
}

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/* 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

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/* 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 */

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#
# 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))

1
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obj-m = tapi/ mps/

37
package/lqtapi/src/include/linux/tapi/tapi-event.h Normal file
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#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

20
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#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)

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#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

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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

238
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#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>");

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#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);

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#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);
}

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#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)

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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));
}

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#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

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#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

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#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);
}

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#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

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#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

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#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);
}

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package/lqtapi/src/mps/vmmc-coder.h Normal file
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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;
};

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package/lqtapi/src/mps/vmmc-core.c Normal file
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#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>");

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package/lqtapi/src/mps/vmmc-link.c Normal file
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#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;
}

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package/lqtapi/src/mps/vmmc-link.h Normal file
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#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

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package/lqtapi/src/mps/vmmc-module.c Normal file
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#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]);
}

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package/lqtapi/src/mps/vmmc-module.h Normal file
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#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

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package/lqtapi/src/mps/vmmc-port.c Normal file
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#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);
}

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package/lqtapi/src/mps/vmmc-port.h Normal file
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#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

19
package/lqtapi/src/mps/vmmc-sig.h Normal file
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#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

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package/lqtapi/src/mps/vmmc-signal.c Normal file
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#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);
}

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package/lqtapi/src/mps/vmmc-stream.c Normal file
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#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);
}*/

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package/lqtapi/src/mps/vmmc-stream.h Normal file
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#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

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package/lqtapi/src/mps/vmmc.c Normal file
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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);*/
}

68
package/lqtapi/src/mps/vmmc.h Normal file
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#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

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package/lqtapi/src/tapi/Makefile Normal file
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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

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package/lqtapi/src/tapi/tapi-control.c Normal file
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#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);
}

250
package/lqtapi/src/tapi/tapi-core.c Normal file
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#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");

99
package/lqtapi/src/tapi/tapi-input.c Normal file
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#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);
}

62
package/lqtapi/src/tapi/tapi-nl.c Normal file
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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);
}

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package/lqtapi/src/tapi/tapi-port.c Normal file
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#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);
}

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package/lqtapi/src/tapi/tapi-stream.c Normal file
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#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);

107
package/lqtapi/src/tapi/tapi-sysfs-port.c Normal file
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#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);
}

58
package/pjsip/Makefile Normal file
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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))

41
package/tapi_sip/Makefile Normal file
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#
# 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))

28
package/tapi_sip/files/telephony.conf Normal file
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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'

50
package/tapi_sip/files/telephony.init Executable file
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#!/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 &
}
}

21
package/tapi_sip/src/Makefile Normal file
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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)

41
package/tapi_sip/src/agent.h Normal file
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#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

162
package/tapi_sip/src/contact.c Normal file
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#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);
}

33
package/tapi_sip/src/contact.h Normal file
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#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

148
package/tapi_sip/src/dialdetector.c Normal file
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#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;
}

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package/tapi_sip/src/dialdetector.h Normal file
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#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);

601
package/tapi_sip/src/list.h Normal file
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#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

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package/tapi_sip/src/session.c Normal file
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#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);
}

14
package/tapi_sip/src/session.h Normal file
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#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

27
package/tapi_sip/src/sip_agent.h Normal file
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#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

800
package/tapi_sip/src/sip_client.c Normal file
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#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);
}

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package/tapi_sip/src/sip_client.h Normal file
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#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

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#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);
}

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#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

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#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);
}

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#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

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#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;
}