fixes asterisk dependency
authorJohn Crispin <john@openwrt.org>
Thu, 7 Jun 2012 07:16:10 +0000 (07:16 +0000)
committerJohn Crispin <john@openwrt.org>
Thu, 7 Jun 2012 07:16:10 +0000 (07:16 +0000)
SVN-Revision: 32097

net/asterisk-1.8.x/Makefile
net/asterisk-1.8.x/src-lantiq/channels/chan_lantiq.c [new file with mode: 0644]
net/asterisk-1.8.x/src-lantiq/configs/lantiq.conf.sample [new file with mode: 0644]
net/asterisk-1.8.x/src/channels/chan_lantiq.c [deleted file]
net/asterisk-1.8.x/src/configs/lantiq.conf.sample [deleted file]

index 9922428542bb8df33efd8a2f72487127a7ee975a..4d937a2559f1ba4ec251e5f0d748c1ca3f96271c 100644 (file)
@@ -224,7 +224,7 @@ endef
 define Package/asterisk18-chan-lantiq
 $(call Package/asterisk18/Default)
   TITLE:=Lantiq TAPI support
-  DEPENDS:= asterisk18 kmod-ltq-vmmc
+  DEPENDS:= asterisk18 @TARGET_lantiq +TARGET_lantiq:kmod-ltq-vmmc +TARGET_lantiq:kmod-ltq-tapi
   URL:=http://git.nanl.de/?p=asterisk_channel_lantiq.git
 endef
 
@@ -327,11 +327,11 @@ CONFIGURE_ARGS+= \
 EXTRA_CFLAGS+= $(TARGET_CPPFLAGS)
 EXTRA_LDFLAGS+= $(TARGET_LDFLAGS)
 
-#TARGET_CFLAGS+= -I$(STAGING_DIR)/usr/include/drv_tapi
-
 define Build/Prepare
        $(call Build/Prepare/Default)
-       $(CP) ./src/* $(PKG_BUILD_DIR)/
+ifneq ($(CONFIG_TARGET_lantiq),)
+       $(CP) ./src-lantiq/* $(PKG_BUILD_DIR)/
+endif
 endef
 
 define Build/Configure
diff --git a/net/asterisk-1.8.x/src-lantiq/channels/chan_lantiq.c b/net/asterisk-1.8.x/src-lantiq/channels/chan_lantiq.c
new file mode 100644 (file)
index 0000000..cbab35a
--- /dev/null
@@ -0,0 +1,1505 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2012, Luka Perkov
+ * Copyright (C) 2012, John Crispin
+ * Copyright (C) 2012, Andrej Vlašić
+ * Copyright (C) 2012, Kaspar Schleiser for T-Labs
+ *                     (Deutsche Telekom Innovation Laboratories)
+ * Copyright (C) 2012, Mirko Vogt for T-Labs
+ *                     (Deutsche Telekom Innovation Laboratories)
+ *
+ * Luka Perkov <openwrt@lukaperkov.net>
+ * John Crispin <blogic@openwrt.org>
+ * Andrej Vlašić <andrej.vlasic0@gmail.com>
+ * Kaspar Schleiser <kaspar@schleiser.de>
+ * Mirko Vogt <mirko@openwrt.org>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ *
+ * \brief Asterisk channel line driver for Lantiq based TAPI boards
+ *
+ * \author Luka Perkov <openwrt@lukaperkov.net>
+ * \author John Crispin <blogic@openwrt.org>
+ * \author Andrej Vlašić <andrej.vlasic0@gmail.com>
+ * \author Kaspar Schleiser <kaspar@schleiser.de>
+ * \author Mirko Vogt <mirko@openwrt.org>
+ * 
+ * \ingroup channel_drivers
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision: xxx $")
+
+#include <ctype.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <signal.h>
+#ifdef HAVE_LINUX_COMPILER_H
+#include <linux/compiler.h>
+#endif
+#include <linux/telephony.h>
+
+#include <asterisk/lock.h>
+#include <asterisk/channel.h>
+#include <asterisk/config.h>
+#include <asterisk/module.h>
+#include <asterisk/pbx.h>
+#include <asterisk/utils.h>
+#include <asterisk/callerid.h>
+#include <asterisk/causes.h>
+#include <asterisk/stringfields.h>
+#include <asterisk/musiconhold.h>
+#include <asterisk/sched.h>
+
+#include "chan_phone.h"
+
+/* Lantiq TAPI includes */
+#include <drv_tapi/drv_tapi_io.h>
+#include <drv_vmmc/vmmc_io.h>
+
+#define RTP_HEADER_LEN 12
+
+#define TAPI_AUDIO_PORT_NUM_MAX                 2
+#define TAPI_TONE_LOCALE_NONE                   0      // for TAPI user defined use 32
+#define TAPI_TONE_LOCALE_BUSY_CODE              27     // for TAPI user defined use 33
+#define TAPI_TONE_LOCALE_CONGESTION_CODE        27     // for TAPI user defined use 34
+#define TAPI_TONE_LOCALE_DIAL_CODE              25     // for TAPI user defined use 35
+#define TAPI_TONE_LOCALE_RING_CODE              36
+#define TAPI_TONE_LOCALE_WAITING_CODE           37
+
+static const char config[] = "lantiq.conf";
+
+static char firmware_filename[PATH_MAX] = "/lib/firmware/ifx_firmware.bin";
+static char bbd_filename[PATH_MAX] = "/lib/firmware/ifx_bbd_fxs.bin";
+static char base_path[PATH_MAX] = "/dev/vmmc";
+
+/*
+ * The private structures of the Phone Jack channels are linked for selecting
+ * outgoing channels.
+ */
+enum channel_state {
+       ONHOOK,
+       OFFHOOK,
+       DIALING,
+       INCALL,
+       CALL_ENDED,
+       RINGING,
+       UNKNOWN
+};
+
+static struct tapi_pvt {
+       struct ast_channel *owner;         /* Channel we belong to, possibly NULL  */
+       int port_id;                       /* Port number of this object, 0..n     */
+       int channel_state;
+       char *context;                     /* this port's dialplan context         */
+       char ext[AST_MAX_EXTENSION+1];     /* the extension this port is connecting*/
+       int dial_timer;                    /* timer handle for autodial timeout    */
+       char dtmfbuf[AST_MAX_EXTENSION+1]; /* buffer holding dialed digits         */
+       int dtmfbuf_len;                   /* lenght of dtmfbuf                    */
+       int rtp_timestamp;                 /* timestamp for RTP packets            */
+       uint16_t rtp_seqno;                /* Sequence nr for RTP packets          */
+} *iflist = NULL;
+
+static struct tapi_ctx {
+               int dev_fd;
+               int channels;
+               int ch_fd[TAPI_AUDIO_PORT_NUM_MAX];
+} dev_ctx;
+
+static int ast_digit_begin(struct ast_channel *ast, char digit);
+static int ast_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
+static int ast_phone_call(struct ast_channel *ast, char *dest, int timeout);
+static int ast_phone_hangup(struct ast_channel *ast);
+static int ast_phone_answer(struct ast_channel *ast);
+static struct ast_frame *ast_phone_read(struct ast_channel *ast);
+static int ast_phone_write(struct ast_channel *ast, struct ast_frame *frame);
+static struct ast_frame *ast_phone_exception(struct ast_channel *ast);
+static int ast_phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen);
+static int ast_phone_fixup(struct ast_channel *old, struct ast_channel *new);
+static struct ast_channel *ast_phone_requester(const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause);
+
+static const struct ast_channel_tech tapi_tech = {
+       .type = "TAPI",
+       .description = "Lantiq TAPI Telephony API Driver",
+       .capabilities = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_G729A,
+       .send_digit_begin = ast_digit_begin,
+       .send_digit_end = ast_digit_end,
+       .call = ast_phone_call,
+       .hangup = ast_phone_hangup,
+       .answer = ast_phone_answer,
+       .read = ast_phone_read,
+       .write = ast_phone_write,
+       .exception = ast_phone_exception,
+       .indicate = ast_phone_indicate,
+       .fixup = ast_phone_fixup,
+       .requester = ast_phone_requester
+};
+
+/* Protect the interface list (of tapi_pvt's) */
+AST_MUTEX_DEFINE_STATIC(iflock);
+
+/*
+ * Protect the monitoring thread, so only one process can kill or start it, and
+ * not when it's doing something critical.
+ */
+AST_MUTEX_DEFINE_STATIC(monlock);
+
+/* Boolean value whether the monitoring thread shall continue. */
+static unsigned int monitor;
+
+/* The scheduling thread */
+struct ast_sched_thread *sched_thread;
+   
+/*
+ * This is the thread for the monitor which checks for input on the channels
+ * which are not currently in use.
+ */
+static pthread_t monitor_thread = AST_PTHREADT_NULL;
+
+
+#define WORDS_BIGENDIAN
+/* struct taken from some GPLed code by  Mike Borella */
+typedef struct rtp_header
+{
+#if defined(WORDS_BIGENDIAN)
+  uint8_t version:2, padding:1, extension:1, csrc_count:4;
+#else
+  uint8_t csrc_count:4, extension:1, padding:1, version:2;
+#endif
+#if defined(WORDS_BIGENDIAN)
+  uint8_t marker:1, payload_type:7;
+#else
+  uint8_t payload_type:7, marker:1;
+#endif
+  uint16_t seqno;
+  uint32_t timestamp;
+  uint32_t ssrc;
+} rtp_header_t;
+
+static int tapi_dev_open(const char *dev_path, const int32_t ch_num)
+{
+       char dev_name[FILENAME_MAX + 1];
+       memset(dev_name, 0, sizeof(dev_name));
+       snprintf(dev_name, FILENAME_MAX, "%s%u%u", dev_path, 1, ch_num);
+       return open((const char*)dev_name, O_RDWR, 0644);
+}
+
+static void tapi_ring(int c, int r)
+{
+       uint8_t status;
+
+       if (r) {
+               status = (uint8_t) ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_START, 0);
+       } else {
+               status = (uint8_t) ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_STOP, 0);
+       }
+
+       if (status) {
+               ast_log(LOG_ERROR, "%s ioctl failed\n",
+                       (r ? "IFX_TAPI_RING_START" : "IFX_TAPI_RING_STOP"));
+       }
+}
+
+static int tapi_play_tone(int c, int t)
+{
+       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_TONE_LOCAL_PLAY, t)) {
+               ast_log(LOG_ERROR, "IFX_TAPI_TONE_LOCAL_PLAY ioctl failed\n");
+               return -1;
+       }
+
+       return 0;
+}
+
+static enum channel_state tapi_get_hookstatus(int port)
+{
+       uint8_t status;
+
+       if (ioctl(dev_ctx.ch_fd[port], IFX_TAPI_LINE_HOOK_STATUS_GET, &status)) {
+               ast_log(LOG_ERROR, "IFX_TAPI_LINE_HOOK_STATUS_GET ioctl failed\n");
+               return UNKNOWN;
+       }
+
+       if (status) {
+               return OFFHOOK;
+       } else {
+               return ONHOOK;
+       }
+}
+
+static int
+tapi_dev_binary_buffer_create(const char *path, uint8_t **ppBuf, uint32_t *pBufSz)
+{
+       FILE *fd;
+       struct stat file_stat;
+       int32_t status = 0;
+
+       fd = fopen(path, "rb");
+       if (fd == NULL) {
+               ast_log(LOG_ERROR, "binary file %s open failed\n", path);
+               return -1;
+       }
+
+       if (stat(path, &file_stat)) {
+               ast_log(LOG_ERROR, "file %s statistics get failed\n", path);
+               return -1;
+       }
+
+       *ppBuf = malloc(file_stat.st_size);
+       if (*ppBuf == NULL) {
+               ast_log(LOG_ERROR, "binary file %s memory allocation failed\n", path);
+               status = -1;
+               goto on_exit;
+       }
+
+       if (fread (*ppBuf, sizeof(uint8_t), file_stat.st_size, fd) <= 0) {
+               ast_log(LOG_ERROR, "file %s read failed\n", path);
+               status = -1;
+               goto on_exit;
+       }
+
+       *pBufSz = file_stat.st_size;
+
+on_exit:
+       if (fd != NULL)
+               fclose(fd);
+
+       if (*ppBuf != NULL && status)
+               free(*ppBuf);
+
+       return status;
+}
+
+static void
+tapi_dev_binary_buffer_delete(uint8_t *pBuf)
+{
+       if (pBuf != NULL)
+               free(pBuf);
+}
+
+static int32_t
+tapi_dev_firmware_download(int32_t fd, const char *path)
+{
+       uint8_t *firmware = NULL;
+       uint32_t size = 0;
+       VMMC_IO_INIT vmmc_io_init;
+
+       if (tapi_dev_binary_buffer_create(path, &firmware, &size)) {
+               ast_log(LOG_ERROR, "binary buffer create failed!\n");
+               return -1;
+       }
+
+       memset(&vmmc_io_init, 0, sizeof(VMMC_IO_INIT));
+       vmmc_io_init.pPRAMfw = firmware;
+       vmmc_io_init.pram_size = size;
+
+       if (ioctl(fd, FIO_FW_DOWNLOAD, &vmmc_io_init)) {
+               ast_log(LOG_ERROR, "FIO_FW_DOWNLOAD ioctl failed!\n");
+               return -1;
+       }
+
+       tapi_dev_binary_buffer_delete(firmware);
+
+       return 0;
+}
+
+static const char *state_string(enum channel_state s)
+{
+       switch (s) {
+               case ONHOOK: return "ONHOOK";
+               case OFFHOOK: return "OFFHOOK";
+               case DIALING: return "DIALING";
+               case INCALL: return "INCALL";
+               case CALL_ENDED: return "CALL_ENDED";
+               case RINGING: return "RINGING";
+               default: return "UNKNOWN";
+       }
+}
+
+static const char *control_string(int c)
+{
+       switch (c) {
+               case AST_CONTROL_HANGUP: return "Other end has hungup";
+               case AST_CONTROL_RING: return "Local ring";
+               case AST_CONTROL_RINGING: return "Remote end is ringing";
+               case AST_CONTROL_ANSWER: return "Remote end has answered";
+               case AST_CONTROL_BUSY: return "Remote end is busy";
+               case AST_CONTROL_TAKEOFFHOOK: return "Make it go off hook";
+               case AST_CONTROL_OFFHOOK: return "Line is off hook";
+               case AST_CONTROL_CONGESTION: return "Congestion (circuits busy)";
+               case AST_CONTROL_FLASH: return "Flash hook";
+               case AST_CONTROL_WINK: return "Wink";
+               case AST_CONTROL_OPTION: return "Set a low-level option";
+               case AST_CONTROL_RADIO_KEY: return "Key Radio";
+               case AST_CONTROL_RADIO_UNKEY: return "Un-Key Radio";
+               case AST_CONTROL_PROGRESS: return "Remote end is making Progress";
+               case AST_CONTROL_PROCEEDING: return "Remote end is proceeding";
+               case AST_CONTROL_HOLD: return "Hold";
+               case AST_CONTROL_UNHOLD: return "Unhold";
+               case AST_CONTROL_SRCUPDATE: return "Media Source Update";
+               case AST_CONTROL_CONNECTED_LINE: return "Connected Line";
+               case AST_CONTROL_REDIRECTING: return "Redirecting";
+               case AST_CONTROL_INCOMPLETE: return "Incomplete";
+               case -1: return "Stop tone";
+               default: return "Unknown";
+       }
+}
+
+static int ast_phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen)
+{
+       ast_verb(3, "TAPI: phone indication \"%s\".\n", control_string(condition));
+       return 0;
+}
+
+static int ast_phone_fixup(struct ast_channel *old, struct ast_channel *new)
+{
+       ast_debug(1, "TAPI: ast_phone_fixup()\n");
+       return 0;
+}
+
+static int ast_digit_begin(struct ast_channel *chan, char digit)
+{
+       /* TODO: Modify this callback to let Asterisk support controlling the length of DTMF */
+       ast_debug(1, "TAPI: ast_digit_begin()\n");
+       return 0;
+}
+
+static int ast_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
+{
+       ast_debug(1, "TAPI: ast_digit_end()\n");
+       return 0;
+}
+
+static int ast_phone_call(struct ast_channel *ast, char *dest, int timeout)
+{
+       ast_debug(1, "TAPI: ast_phone_call()\n");
+
+       ast_mutex_lock(&iflock);
+       
+       struct tapi_pvt *pvt = ast->tech_pvt;
+       
+       ast_debug(1, "TAPI: ast_phone_call() state: %s\n", state_string(pvt->channel_state));
+
+       if (pvt->channel_state == ONHOOK) {
+               ast_debug(1, "TAPI: ast_phone_call(): port %i ringing.\n", pvt->port_id);
+               tapi_ring(pvt->port_id, 1);
+               pvt->channel_state = RINGING;
+
+               ast_setstate(ast, AST_STATE_RINGING);
+               ast_queue_control(ast, AST_CONTROL_RINGING);
+       } else {
+               ast_debug(1, "TAPI: ast_phone_call(): port %i busy.\n", pvt->port_id);
+               ast_setstate(ast, AST_STATE_BUSY);
+               ast_queue_control(ast, AST_CONTROL_BUSY);
+       }
+               
+       ast_mutex_unlock(&iflock);
+
+       return 0;
+}
+
+static int ast_phone_hangup(struct ast_channel *ast)
+{
+       ast_debug(1, "TAPI: ast_phone_hangup()\n");
+
+       struct tapi_pvt *pvt = ast->tech_pvt;
+
+       /* lock to prevent simultaneous access with do_monitor thread processing */
+       ast_mutex_lock(&iflock);
+       
+       if (ast->_state == AST_STATE_RINGING) {
+               ast_debug(1, "TAPI: ast_phone_hangup(): ast->_state == AST_STATE_RINGING\n");
+       }
+
+       switch (pvt->channel_state) {
+               case RINGING:
+               case ONHOOK: 
+                       {
+                               tapi_ring(pvt->port_id, 0);
+                               pvt->channel_state = ONHOOK;
+                               break;
+                       }
+               default:
+                       {
+                               ast_debug(1, "TAPI: ast_phone_hangup(): we were hung up, play busy tone.\n");
+                               pvt->channel_state = CALL_ENDED;
+                               tapi_play_tone(pvt->port_id, TAPI_TONE_LOCALE_BUSY_CODE);
+                       }
+       }
+
+       ast_setstate(ast, AST_STATE_DOWN);
+       ast_module_unref(ast_module_info->self);
+       ast->tech_pvt = NULL;
+       pvt->owner = NULL;
+
+       ast_mutex_unlock(&iflock);
+
+       return 0;
+}
+
+static int ast_phone_answer(struct ast_channel *ast)
+{
+       ast_debug(1, "TAPI: ast_phone_answer()\n");
+       return 0;
+}
+
+static struct ast_frame * ast_phone_read(struct ast_channel *ast)
+{
+       ast_debug(1, "TAPI: ast_phone_read()\n");
+       return NULL;
+}
+
+static int ast_phone_write(struct ast_channel *ast, struct ast_frame *frame)
+{
+       ast_debug(1, "TAPI: ast_phone_write()\n");
+
+       char buf[2048];
+       struct tapi_pvt *pvt = ast->tech_pvt;
+       int ret = -1;
+       rtp_header_t *rtp_header = (rtp_header_t *) buf;
+
+       if(frame->frametype != AST_FRAME_VOICE) {
+               ast_debug(1, "TAPI: ast_phone_write(): unhandled frame type.\n");
+               return 0;
+       }
+
+       memset(buf, '\0', sizeof(rtp_header_t));
+       rtp_header->version      = 2;
+       rtp_header->padding      = 0;
+       rtp_header->extension    = 0;
+       rtp_header->csrc_count   = 0;
+       rtp_header->marker       = 0;
+       rtp_header->timestamp    = pvt->rtp_timestamp;
+       rtp_header->seqno        = pvt->rtp_seqno++;
+       rtp_header->ssrc         = 0;
+       rtp_header->payload_type = (uint8_t) frame->subclass.codec;
+
+       pvt->rtp_timestamp += 160;
+
+       memcpy(buf+RTP_HEADER_LEN, frame->data.ptr, frame->datalen);
+
+       ret = write(dev_ctx.ch_fd[pvt->port_id], buf, frame->datalen+RTP_HEADER_LEN);
+       if (ret <= 0) {
+               ast_debug(1, "TAPI: ast_phone_write(): error writing.\n");
+               return -1;
+       }
+
+#ifdef TODO_DEVEL_INFO
+       ast_debug(1, "ast_phone_write(): size: %i version: %i padding: %i extension: %i csrc_count: %i\n"
+                "marker: %i payload_type: %s seqno: %i timestamp: %i ssrc: %i\n", 
+                        (int)ret,
+                        (int)rtp_header->version,
+                        (int)rtp_header->padding,
+                        (int)rtp_header->extension,
+                        (int)rtp_header->csrc_count,
+                        (int)rtp_header->marker,
+                        ast_codec2str(rtp_header->payload_type),
+                        (int)rtp_header->seqno,
+                        (int)rtp_header->timestamp,
+                        (int)rtp_header->ssrc);
+#endif
+
+       return 0;
+}
+
+static struct ast_frame * ast_phone_exception(struct ast_channel *ast)
+{
+       ast_debug(1, "TAPI: ast_phone_exception()\n");
+       return NULL;
+}
+
+static int tapi_standby(int c)
+{
+       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_STANDBY)) {
+               ast_log(LOG_ERROR, "IFX_TAPI_LINE_FEED_SET ioctl failed\n");
+               return -1;
+       }
+
+       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_STOP, 0)) {
+               ast_log(LOG_ERROR, "IFX_TAPI_ENC_STOP ioctl failed\n");
+               return -1;
+       }
+
+       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_DEC_STOP, 0)) {
+               ast_log(LOG_ERROR, "IFX_TAPI_DEC_STOP ioctl failed\n");
+               return -1;
+       }
+
+       return tapi_play_tone(c, TAPI_TONE_LOCALE_NONE);
+}
+
+static int tapi_end_dialing(int c)
+{
+       ast_debug(1, "%s\n", __FUNCTION__);
+       struct tapi_pvt *pvt = &iflist[c];
+
+       if (pvt->dial_timer) {
+               ast_sched_thread_del(sched_thread, pvt->dial_timer);
+               pvt->dial_timer = 0;
+       }
+
+       if(pvt->owner) {
+               ast_hangup(pvt->owner);
+       }
+
+       return 0;
+}
+
+static int tapi_end_call(int c)
+{
+       ast_debug(1, "%s\n", __FUNCTION__);
+
+       struct tapi_pvt *pvt = &iflist[c];
+       
+       if(pvt->owner) {
+               ast_queue_hangup(pvt->owner);
+       }
+
+       return 0;
+}
+
+static struct ast_channel * tapi_channel(int state, int c, char *ext, char *ctx)
+{
+       ast_debug(1, "tapi_channel()\n");
+
+       struct ast_channel *chan = NULL;
+
+       struct tapi_pvt *pvt = &iflist[c];
+
+       chan = ast_channel_alloc(1, state, NULL, NULL, "", ext, ctx, 0, c, "TAPI/%s", "1");
+
+       chan->tech = &tapi_tech;
+       chan->nativeformats = AST_FORMAT_ULAW;
+       chan->readformat  = AST_FORMAT_ULAW;
+       chan->writeformat = AST_FORMAT_ULAW;
+       chan->tech_pvt = pvt;
+
+       pvt->owner = chan;
+
+       return chan;
+}
+
+static struct ast_channel * ast_phone_requester(const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause)
+{
+       char buf[BUFSIZ];
+       
+       struct ast_channel *chan = NULL;
+       int port_id = -1;
+
+       ast_debug(1, "Asked to create a TAPI channel with formats: %s\n", ast_getformatname_multiple(buf, sizeof(buf), format));
+
+       if (ast_mutex_lock(&iflock)) {
+               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+               return NULL;
+       }
+
+       /* check for correct data argument */
+       if (ast_strlen_zero(data)) {
+               ast_log(LOG_ERROR, "Unable to create channel with empty destination.\n");
+               *cause = AST_CAUSE_CHANNEL_UNACCEPTABLE;
+               return NULL;
+       }
+
+       /* get our port number */
+       port_id = atoi((char*) data);
+       if (port_id < 1 || port_id > dev_ctx.channels) {
+               ast_log(LOG_ERROR, "Unknown channel ID: \"%s\"\n", (char*) data);
+               *cause = AST_CAUSE_CHANNEL_UNACCEPTABLE;
+               return NULL;
+       }
+
+       /* on asterisk user's side, we're using port 1-2.
+        * Here in non normal human's world, we begin
+        * counting at 0.
+        */
+       port_id -= 1;
+
+       chan = tapi_channel(AST_STATE_DOWN, port_id, NULL, NULL);
+
+       ast_mutex_unlock(&iflock);
+       return chan;
+}
+
+static int tapi_dev_data_handler(int c) {
+       char buf[BUFSIZ];
+       struct ast_frame frame = {0};
+
+       int res = read(dev_ctx.ch_fd[c], buf, sizeof(buf));
+       if (res <= 0) ast_debug(1, "%s: Read error: %i.\n", __FUNCTION__, res);
+       
+       rtp_header_t *rtp = (rtp_header_t*) buf;
+
+       frame.src = "TAPI";
+       frame.frametype = AST_FRAME_VOICE;
+       frame.subclass.codec = rtp->payload_type;
+       frame.samples = res - RTP_HEADER_LEN;
+       frame.datalen = res - RTP_HEADER_LEN;
+       frame.data.ptr = buf + RTP_HEADER_LEN;
+
+       ast_mutex_lock(&iflock);
+       struct tapi_pvt *pvt = (struct tapi_pvt *) &iflist[c];
+       if (pvt->owner && (pvt->owner->_state == AST_STATE_UP)) {
+               if(!ast_channel_trylock(pvt->owner)) {
+                       ast_queue_frame(pvt->owner, &frame);
+                       ast_channel_unlock(pvt->owner);
+               }
+       }
+
+       ast_mutex_unlock(&iflock);
+
+/*     ast_debug(1, "tapi_dev_data_handler(): size: %i version: %i padding: %i extension: %i csrc_count: %i \n"
+                                "marker: %i payload_type: %s seqno: %i timestamp: %i ssrc: %i\n", 
+                                (int)res,
+                                (int)rtp->version,
+                                (int)rtp->padding,
+                                (int)rtp->extension,
+                                (int)rtp->csrc_count,
+                                (int)rtp->marker,
+                                ast_codec2str(rtp->payload_type),
+                                (int)rtp->seqno,
+                                (int)rtp->timestamp,
+                                (int)rtp->ssrc);
+*/
+       return 0;
+}
+
+static int accept_call(int c)
+{
+       ast_debug(1, "%s: line %i\n", __FUNCTION__, __LINE__);
+
+       struct tapi_pvt *pvt = &iflist[c];
+
+       if (pvt->owner) {
+               struct ast_channel *chan = pvt->owner;
+
+               switch (chan->_state) {
+                       case AST_STATE_RINGING:
+                               {
+                                       ast_queue_control(pvt->owner, AST_CONTROL_ANSWER);
+                                       pvt->channel_state = INCALL;
+                                       break;
+                               }
+                       default:
+                               {
+                                       ast_debug(1, "%s: line %i: unhandled state %s.\n", __FUNCTION__, __LINE__, ast_state2str(chan->_state));
+                               }
+               }
+       }
+
+       return 0;
+}
+
+static int tapi_dev_event_hook(int c, int state)
+{
+       ast_log(LOG_ERROR, "TAPI: channel %i %s hook.\n", c, state ? "on" : "off");
+
+       if (ast_mutex_lock(&iflock)) {
+               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+               return -1;
+       }
+
+       int ret = -1;
+       if (state) {
+               switch (iflist[c].channel_state) {
+                       case OFFHOOK: 
+                               ret = tapi_standby(c);
+                               break;
+                       case DIALING: 
+                               ret = tapi_end_dialing(c);
+                               break;
+                       case INCALL: 
+                               ret = tapi_end_call(c);
+                               break;
+                       case CALL_ENDED:
+                               ret = tapi_standby(c); // TODO: are we sure for this ?
+                               break;
+                       default:
+                               break;
+               }
+               iflist[c].channel_state = ONHOOK;
+       } else {
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_ACTIVE)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_LINE_FEED_SET ioctl failed\n");
+                       goto out;
+               }
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_START, 0)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_ENC_START ioctl failed\n");
+                       goto out;
+               }
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_DEC_START, 0)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_DEC_START ioctl failed\n");
+                       goto out;
+               }
+
+               switch (iflist[c].channel_state) {
+                       case RINGING: 
+                               ret = accept_call(c);
+                               break;
+                       default:
+                               iflist[c].channel_state = OFFHOOK;
+                               tapi_play_tone(c, TAPI_TONE_LOCALE_DIAL_CODE);
+                               ret = 0;
+                               break;
+               }
+
+       }
+
+out:
+       ast_mutex_unlock(&iflock);
+
+       return ret;
+}
+
+static void tapi_reset_dtmfbuf(struct tapi_pvt *pvt)
+{
+       pvt->dtmfbuf[0] = '\0';
+       pvt->dtmfbuf_len = 0;
+       pvt->ext[0] = '\0';
+}
+
+static void tapi_dial(struct tapi_pvt *pvt)
+{
+       ast_debug(1, "TAPI: tapi_dial()\n");
+
+       struct ast_channel *chan = NULL;
+
+       ast_debug(1, "TAPI: tapi_dial(): user want's to dial %s.\n", pvt->dtmfbuf);
+
+       if (ast_exists_extension(NULL, pvt->context, pvt->dtmfbuf, 1, NULL)) {
+               ast_debug(1, "TAPI: tapi_dial(): Asterisk knows extension %s, dialing.\n", pvt->dtmfbuf);
+
+               strcpy(pvt->ext, pvt->dtmfbuf);
+
+               ast_verbose( VERBOSE_PREFIX_3 "  extension exists, starting PBX %s\n", pvt->ext);
+
+               chan = tapi_channel(1, AST_STATE_UP, pvt->ext+1, pvt->context);
+               chan->tech_pvt = pvt;
+               pvt->owner = chan;
+
+               strcpy(chan->exten, pvt->ext);
+               ast_setstate(chan, AST_STATE_RING);
+               pvt->channel_state = INCALL;
+
+               if (ast_pbx_start(chan)) {
+                       ast_log(LOG_WARNING, "  Unable to start PBX on %s\n", chan->name);
+                       ast_hangup(chan);
+               }
+       }
+       else {
+               ast_debug(1, "TAPI: tapi_dial(): no extension found.\n");
+
+               tapi_play_tone(pvt->port_id, TAPI_TONE_LOCALE_BUSY_CODE);
+               pvt->channel_state = CALL_ENDED;
+       }
+       
+       tapi_reset_dtmfbuf(pvt);
+}
+
+static int tapi_event_dial_timeout(const void* data)
+{
+       ast_debug(1, "TAPI: tapi_event_dial_timeout()\n");
+
+       struct tapi_pvt *pvt = (struct tapi_pvt *) data;
+       pvt->dial_timer = 0;
+
+       if (! pvt->channel_state == ONHOOK) {
+               tapi_dial(pvt);
+       } else {
+               ast_debug(1, "TAPI: tapi_event_dial_timeout(): dial timeout in state ONHOOK.\n");
+       }
+
+       return 0;
+}
+
+
+static void tapi_dev_event_digit(int c, char digit)
+{
+       ast_debug(1, "TAPI: tapi_event_digit() port=%i digit=%c\n", port, digit);
+       if (ast_mutex_lock(&iflock)) {
+               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+               return;
+       }
+
+       struct tapi_pvt *pvt = &iflist[c];
+
+       switch (pvt->channel_state) {
+               case OFFHOOK:  
+                       pvt->channel_state = DIALING;
+
+                       tapi_play_tone(c, TAPI_TONE_LOCALE_NONE);
+
+                       /* fall through */
+               case DIALING: 
+                       if (digit == '#') {
+                               if (pvt->dial_timer) {
+                                       ast_sched_thread_del(sched_thread, pvt->dial_timer);
+                                       pvt->dial_timer = 0;
+                               }
+
+                               tapi_dial(pvt);
+                       } else {
+                               pvt->dtmfbuf[pvt->dtmfbuf_len] = digit;
+                               pvt->dtmfbuf_len++;
+                               pvt->dtmfbuf[pvt->dtmfbuf_len] = '\0';
+
+                               /* setup autodial timer */
+                               if (!pvt->dial_timer) {
+                                       ast_debug(1, "TAPI: tapi_dev_event_digit() setting new timer.\n");
+                                       pvt->dial_timer = ast_sched_thread_add(sched_thread, 2000, tapi_event_dial_timeout, (const void*) pvt);
+                               } else {
+                                       ast_debug(1, "TAPI: tapi_dev_event_digit() replacing timer.\n");
+                                       struct sched_context *sched = ast_sched_thread_get_context(sched_thread);
+                                       AST_SCHED_REPLACE(pvt->dial_timer, sched, 2000, tapi_event_dial_timeout, (const void*) pvt);
+                               }
+                       }
+                       break;
+               default:
+                       ast_debug(1, "TAPI: tapi_dev_event_digit() unhandled state.\n");
+                       break;
+       }
+
+       ast_mutex_unlock(&iflock);
+       return;
+}
+
+static void tapi_dev_event_handler(void)
+{
+       IFX_TAPI_EVENT_t event;
+       unsigned int i;
+
+       for (i = 0; i < dev_ctx.channels ; i++) {
+               if (ast_mutex_lock(&iflock)) {
+                       ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+                       break;
+               }
+
+               memset (&event, 0, sizeof(event));
+               event.ch = i;
+               if (ioctl(dev_ctx.dev_fd, IFX_TAPI_EVENT_GET, &event))
+                       continue;
+               if (event.id == IFX_TAPI_EVENT_NONE)
+                       continue;
+               ast_mutex_unlock(&iflock);
+
+               switch(event.id) {
+                       case IFX_TAPI_EVENT_FXS_ONHOOK:
+                               tapi_dev_event_hook(i, 1);
+                               break;
+                       case IFX_TAPI_EVENT_FXS_OFFHOOK:
+                               tapi_dev_event_hook(i, 0);
+                               break;
+                       case IFX_TAPI_EVENT_DTMF_DIGIT:
+                               ast_log(LOG_ERROR, "ON CHANNEL %d DETECTED DTMF DIGIT: %c\n", i, (char)event.data.dtmf.ascii);
+                               tapi_dev_event_digit(i, (char)event.data.dtmf.ascii);
+                               break;
+                       case IFX_TAPI_EVENT_PULSE_DIGIT:
+                               if (event.data.pulse.digit == 0xB) {
+                                       ast_log(LOG_ERROR, "ON CHANNEL %d DETECTED PULSE DIGIT: %c\n", i, '0');
+                                       tapi_dev_event_digit(i, '0');
+                               } else {
+                                       ast_log(LOG_ERROR, "ON CHANNEL %d DETECTED PULSE DIGIT: %c\n", i, '0' + (char)event.data.pulse.digit);
+                                       tapi_dev_event_digit(i, '0' + (char)event.data.pulse.digit);
+                               }
+                               break;
+                       case IFX_TAPI_EVENT_COD_DEC_CHG:
+                       case IFX_TAPI_EVENT_TONE_GEN_END:
+                       case IFX_TAPI_EVENT_CID_TX_SEQ_END:
+                               break;
+                       default:
+                               ast_log(LOG_ERROR, "Unable TAPI event %08X\n", event.id);
+                               break;
+               }
+       }
+}
+
+static void *
+tapi_events_monitor(void *data)
+{
+       ast_verbose("TAPI thread started\n");
+
+       struct pollfd fds[3];
+
+       fds[0].fd = dev_ctx.dev_fd;
+       fds[0].events = POLLIN;
+       fds[1].fd = dev_ctx.ch_fd[0];
+       fds[1].events = POLLIN;
+       fds[2].fd = dev_ctx.ch_fd[1];
+       fds[2].events = POLLIN;
+
+       while (monitor) {
+               if (ast_mutex_lock(&monlock)) {
+                       ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+                       break;
+               }
+
+               if (poll(fds, dev_ctx.channels + 1, 2000) <= 0) {
+                       ast_mutex_unlock(&monlock);
+                       continue;
+               }
+
+               if (fds[0].revents & POLLIN) {
+                       tapi_dev_event_handler();
+               }
+
+               ast_mutex_unlock(&monlock);
+
+               if ((fds[1].revents & POLLIN) && (tapi_dev_data_handler(0))) {
+                       ast_verbose("TAPI: data handler failed\n");
+                       break;
+               }
+
+               if ((fds[2].revents & POLLIN) && (tapi_dev_data_handler(1))) {
+                       ast_verbose("TAPI: data handler failed\n");
+                       break;
+               }
+       }
+
+       return NULL;
+}
+
+static int restart_monitor(void)
+{
+       /* If we're supposed to be stopped -- stay stopped */
+       if (monitor_thread == AST_PTHREADT_STOP)
+               return 0;
+       if (ast_mutex_lock(&monlock)) {
+               ast_log(LOG_WARNING, "Unable to lock monitor\n");
+               return -1;
+       }
+       if (monitor_thread == pthread_self()) {
+               ast_mutex_unlock(&monlock);
+               ast_log(LOG_WARNING, "Cannot kill myself\n");
+               return -1;
+       }
+       if (monitor_thread != AST_PTHREADT_NULL) {
+               if (ast_mutex_lock(&iflock)) {
+                       ast_mutex_unlock(&monlock);
+                       ast_log(LOG_WARNING, "Unable to lock the interface list\n");
+                       return -1;
+               }
+               monitor = 0;
+               while (pthread_kill(monitor_thread, SIGURG) == 0)
+                       sched_yield();
+               pthread_join(monitor_thread, NULL);
+               ast_mutex_unlock(&iflock);
+       }
+       monitor = 1;
+       /* Start a new monitor */
+       if (ast_pthread_create_background(&monitor_thread, NULL, tapi_events_monitor, NULL) < 0) {
+               ast_mutex_unlock(&monlock);
+               ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
+               return -1;
+       }
+       ast_mutex_unlock(&monlock);
+       return 0;
+}
+
+static int unload_module(void)
+{
+       int c;
+
+       ast_channel_unregister(&tapi_tech);
+
+       if (!ast_mutex_lock(&iflock)) {
+//             for (c = 0; c < dev_ctx.channels ; c++)
+//                     ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
+               ast_mutex_unlock(&iflock);
+       } else {
+               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+               return -1;
+       }
+
+       if (!ast_mutex_lock(&monlock)) {
+               if (monitor_thread > AST_PTHREADT_NULL) {
+                       monitor = 0;
+                       while (pthread_kill(monitor_thread, SIGURG) == 0)
+                               sched_yield();
+                       pthread_join(monitor_thread, NULL);
+               }
+               monitor_thread = AST_PTHREADT_STOP;
+               ast_mutex_unlock(&monlock);
+       } else {
+               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+               return -1;
+       }
+
+       if (!ast_mutex_lock(&iflock)) {
+               if (ioctl(dev_ctx.dev_fd, IFX_TAPI_DEV_STOP, 0)) {
+                       ast_log(LOG_WARNING, "IFX_TAPI_DEV_STOP ioctl failed\n");
+               }
+
+               close(dev_ctx.dev_fd);
+               for (c = 0; c < dev_ctx.channels ; c++) close(dev_ctx.ch_fd[c]);
+
+               ast_mutex_unlock(&iflock);
+       } else {
+               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+               return -1;
+       }
+
+       return 0;
+}
+
+static struct tapi_pvt *tapi_init_pvt(struct tapi_pvt *pvt)
+{
+       if (pvt) {
+               pvt->owner = NULL;
+               pvt->port_id = -1;
+               pvt->channel_state = UNKNOWN;
+               pvt->context = strdup("default");
+               pvt->ext[0] = '\0';
+               pvt->dial_timer = 0;
+               pvt->dtmfbuf[0] = '\0';
+               pvt->dtmfbuf_len = 0;
+       } else {
+               ast_log(LOG_ERROR, "%s line %i: cannot clear structure.\n", __FUNCTION__, __LINE__);
+       }
+
+       return pvt;
+}
+
+static int tapi_create_pvts(void)
+{
+       int i;
+
+       iflist = ast_calloc(1, sizeof(struct tapi_pvt)*dev_ctx.channels);
+
+       if (iflist) { 
+               for (i=0 ; i<dev_ctx.channels ; i++) {
+                       tapi_init_pvt(&iflist[i]);
+                       iflist[i].port_id = i;
+               }
+               return 0;
+       } else {
+               ast_log(LOG_ERROR, "%s line %i: cannot allocate memory.\n", __FUNCTION__, __LINE__);
+               return -1;
+       }
+}
+
+static int tapi_setup_rtp(int c)
+{
+       /* Configure RTP payload type tables */
+       IFX_TAPI_PKT_RTP_PT_CFG_t rtpPTConf;
+
+       memset((char*)&rtpPTConf, '\0', sizeof(rtpPTConf));
+
+       rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_MLAW] = AST_FORMAT_ULAW;
+       rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_ALAW] = AST_FORMAT_ALAW;
+//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G723_63] = AST_FORMAT_G723_1;
+//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G723_53] = 4;
+//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G729] = AST_FORMAT_G729A;
+//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G722_64] = AST_FORMAT_G722;
+
+       rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_MLAW] = AST_FORMAT_ULAW;
+       rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_ALAW] = AST_FORMAT_ALAW;
+//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G723_63] = AST_FORMAT_G723_1;
+//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G723_53] = AST_FORMAT_G723_1;
+//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G729] = AST_FORMAT_G729A;
+//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G722_64] = AST_FORMAT_G722;
+
+       int ret;
+       if ((ret = ioctl(dev_ctx.ch_fd[c], IFX_TAPI_PKT_RTP_PT_CFG_SET, (IFX_int32_t) &rtpPTConf))) {
+               ast_log(LOG_ERROR, "IFX_TAPI_PKT_RTP_PT_CFG_SET failed: ret=%i\n", ret);
+               return -1;
+       }
+
+       return 0;
+}
+
+static int load_module(void)
+{
+       struct ast_config *cfg;
+       struct ast_variable *v;
+       int txgain = 0;
+       int rxgain = 0;
+       int wlec_type = 0;
+       int wlec_nlp = 0;
+       int wlec_nbfe = 0;
+       int wlec_nbne = 0;
+       int wlec_wbne = 0;
+       int jb_type = IFX_TAPI_JB_TYPE_ADAPTIVE;
+       int jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_VOICE;
+       int jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_DEFAULT;
+       int jb_scaling = 0x10;
+       int jb_initialsize = 0x2d0;
+       int jb_minsize = 0x50;
+       int jb_maxsize = 0x5a0;
+       int cid_type = IFX_TAPI_CID_STD_TELCORDIA;
+       int vad_type = IFX_TAPI_ENC_VAD_NOVAD;
+       dev_ctx.channels = TAPI_AUDIO_PORT_NUM_MAX;
+       struct ast_flags config_flags = { 0 };
+       
+       if (!(sched_thread = ast_sched_thread_create())) {
+               ast_log(LOG_ERROR, "Unable to create scheduler thread\n");
+               return AST_MODULE_LOAD_FAILURE;
+       }
+
+       if ((cfg = ast_config_load(config, config_flags)) == CONFIG_STATUS_FILEINVALID) {
+               ast_log(LOG_ERROR, "Config file %s is in an invalid format.  Aborting.\n", config);
+               return AST_MODULE_LOAD_DECLINE;
+       }
+
+       /* We *must* have a config file otherwise stop immediately */
+       if (!cfg) {
+               ast_log(LOG_ERROR, "Unable to load config %s\n", config);
+               return AST_MODULE_LOAD_DECLINE;
+       }
+
+       if (ast_mutex_lock(&iflock)) {
+               ast_log(LOG_ERROR, "Unable to lock interface list.\n");
+               return AST_MODULE_LOAD_FAILURE;
+       }
+
+       for (v = ast_variable_browse(cfg, "interfaces"); v; v = v->next) {
+               if (!strcasecmp(v->name, "channels")) {
+                       dev_ctx.channels = atoi(v->value);
+                       if (!dev_ctx.channels) {
+                               ast_log(LOG_ERROR, "Invalid value for channels in config %s\n", config);
+                               ast_config_destroy(cfg);
+                               return AST_MODULE_LOAD_DECLINE;
+                       }
+               } else if (!strcasecmp(v->name, "firmwarefilename")) {
+                       ast_copy_string(firmware_filename, v->value, sizeof(firmware_filename));
+               } else if (!strcasecmp(v->name, "bbdfilename")) {
+                       ast_copy_string(bbd_filename, v->value, sizeof(bbd_filename));
+               } else if (!strcasecmp(v->name, "basepath")) {
+                       ast_copy_string(base_path, v->value, sizeof(base_path));
+               }
+       }
+
+       for (v = ast_variable_browse(cfg, "general"); v; v = v->next) {
+               if (!strcasecmp(v->name, "rxgain")) {
+                       rxgain = atoi(v->value);
+                       if (!rxgain) {
+                               rxgain = 0;
+                               ast_log(LOG_WARNING, "Invalid rxgain: %s, using default.\n", v->value);
+                       }
+               } else if (!strcasecmp(v->name, "txgain")) {
+                       txgain = atoi(v->value);
+                       if (!txgain) {
+                               txgain = 0;
+                               ast_log(LOG_WARNING, "Invalid txgain: %s, using default.\n", v->value);
+                       }
+               } else if (!strcasecmp(v->name, "echocancel")) {
+                       if (!strcasecmp(v->value, "off")) {
+                               wlec_type = IFX_TAPI_WLEC_TYPE_OFF;
+                       } else if (!strcasecmp(v->value, "nlec")) {
+                               wlec_type = IFX_TAPI_WLEC_TYPE_NE;
+                               if (!strcasecmp(v->name, "echocancelfixedwindowsize")) {
+                                       wlec_nbne = atoi(v->value);
+                               }
+                       } else if (!strcasecmp(v->value, "wlec")) {
+                               wlec_type = IFX_TAPI_WLEC_TYPE_NFE;
+                               if (!strcasecmp(v->name, "echocancelnfemovingwindowsize")) {
+                                       wlec_nbfe = atoi(v->value);
+                               } else if (!strcasecmp(v->name, "echocancelfixedwindowsize")) {
+                                       wlec_nbne = atoi(v->value);
+                               } else if (!strcasecmp(v->name, "echocancelwidefixedwindowsize")) {
+                                       wlec_wbne = atoi(v->value);
+                               }
+                       } else if (!strcasecmp(v->value, "nees")) {
+                               wlec_type = IFX_TAPI_WLEC_TYPE_NE_ES;
+                       } else if (!strcasecmp(v->value, "nfees")) {
+                               wlec_type = IFX_TAPI_WLEC_TYPE_NFE_ES;
+                       } else if (!strcasecmp(v->value, "es")) {
+                               wlec_type = IFX_TAPI_WLEC_TYPE_ES;
+                       } else {
+                               wlec_type = IFX_TAPI_WLEC_TYPE_OFF;
+                               ast_log(LOG_ERROR, "Unknown echo cancellation type '%s'\n", v->value);
+                               ast_config_destroy(cfg);
+                               return AST_MODULE_LOAD_DECLINE;
+                       }
+               } else if (!strcasecmp(v->name, "echocancelnlp")) {
+                       if (!strcasecmp(v->value, "on")) {
+                               wlec_nlp = IFX_TAPI_WLEC_NLP_ON;
+                       } else if (!strcasecmp(v->value, "off")) {
+                               wlec_nlp = IFX_TAPI_WLEC_NLP_OFF;
+                       } else {
+                               ast_log(LOG_ERROR, "Unknown echo cancellation nlp '%s'\n", v->value);
+                               ast_config_destroy(cfg);
+                               return AST_MODULE_LOAD_DECLINE;
+                       }
+               } else if (!strcasecmp(v->name, "jitterbuffertype")) {
+                       if (!strcasecmp(v->value, "fixed")) {
+                               jb_type = IFX_TAPI_JB_TYPE_FIXED;
+                       } else if (!strcasecmp(v->value, "adaptive")) {
+                               jb_type = IFX_TAPI_JB_TYPE_ADAPTIVE;
+                               jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_DEFAULT;
+                               if (!strcasecmp(v->name, "jitterbufferadaptation")) {
+                                       if (!strcasecmp(v->value, "on")) {
+                                               jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_ON;
+                                       } else if (!strcasecmp(v->value, "off")) {
+                                               jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_OFF;
+                                       }
+                               } else if (!strcasecmp(v->name, "jitterbufferscalling")) {
+                                       jb_scaling = atoi(v->value);
+                               } else if (!strcasecmp(v->name, "jitterbufferinitialsize")) {
+                                       jb_initialsize = atoi(v->value);
+                               } else if (!strcasecmp(v->name, "jitterbufferminsize")) {
+                                       jb_minsize = atoi(v->value);
+                               } else if (!strcasecmp(v->name, "jitterbuffermaxsize")) {
+                                       jb_maxsize = atoi(v->value);
+                               }
+                       } else {
+                               ast_log(LOG_ERROR, "Unknown jitter buffer type '%s'\n", v->value);
+                               ast_config_destroy(cfg);
+                               return AST_MODULE_LOAD_DECLINE;
+                       }
+               } else if (!strcasecmp(v->name, "jitterbufferpackettype")) {
+                       if (!strcasecmp(v->value, "voice")) {
+                               jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_VOICE;
+                       } else if (!strcasecmp(v->value, "data")) {
+                               jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_DATA;
+                       } else if (!strcasecmp(v->value, "datanorep")) {
+                               jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_DATA_NO_REP;
+                       } else {
+                               ast_log(LOG_ERROR, "Unknown jitter buffer packet adaptation type '%s'\n", v->value);
+                               ast_config_destroy(cfg);
+                               return AST_MODULE_LOAD_DECLINE;
+                       }
+               } else if (!strcasecmp(v->name, "calleridtype")) {
+                       if (!strcasecmp(v->value, "telecordia")) {
+                               cid_type = IFX_TAPI_CID_STD_TELCORDIA;
+                       } else if (!strcasecmp(v->value, "etsifsk")) {
+                               cid_type = IFX_TAPI_CID_STD_ETSI_FSK;
+                       } else if (!strcasecmp(v->value, "etsidtmf")) {
+                               cid_type = IFX_TAPI_CID_STD_ETSI_DTMF;
+                       } else if (!strcasecmp(v->value, "sin")) {
+                               cid_type = IFX_TAPI_CID_STD_SIN;
+                       } else if (!strcasecmp(v->value, "ntt")) {
+                               cid_type = IFX_TAPI_CID_STD_NTT;
+                       } else if (!strcasecmp(v->value, "kpndtmf")) {
+                               cid_type = IFX_TAPI_CID_STD_KPN_DTMF;
+                       } else if (!strcasecmp(v->value, "kpndtmffsk")) {
+                               cid_type = IFX_TAPI_CID_STD_KPN_DTMF_FSK;
+                       } else {
+                               ast_log(LOG_ERROR, "Unknown caller id type '%s'\n", v->value);
+                               ast_config_destroy(cfg);
+                               return AST_MODULE_LOAD_DECLINE;
+                       }
+               } else if (!strcasecmp(v->name, "voiceactivitydetection")) {
+                       if (!strcasecmp(v->value, "on")) {
+                               vad_type = IFX_TAPI_ENC_VAD_ON;
+                       } else if (!strcasecmp(v->value, "g711")) {
+                               vad_type = IFX_TAPI_ENC_VAD_G711;
+                       } else if (!strcasecmp(v->value, "cng")) {
+                               vad_type = IFX_TAPI_ENC_VAD_CNG_ONLY;
+                       } else if (!strcasecmp(v->value, "sc")) {
+                               vad_type = IFX_TAPI_ENC_VAD_SC_ONLY;
+                       } else {
+                               ast_log(LOG_ERROR, "Unknown voice activity detection value '%s'\n", v->value);
+                               ast_config_destroy(cfg);
+                               return AST_MODULE_LOAD_DECLINE;
+                       }
+               }
+       }
+
+       tapi_create_pvts();
+
+       ast_mutex_unlock(&iflock);
+
+       if (ast_channel_register(&tapi_tech)) {
+               ast_log(LOG_ERROR, "Unable to register channel class 'Phone'\n");
+               ast_config_destroy(cfg);
+               unload_module();
+               return AST_MODULE_LOAD_FAILURE;
+       }
+       ast_config_destroy(cfg);
+       
+       /* tapi */
+#ifdef TODO_TONES
+       IFX_TAPI_TONE_t tone;
+#endif
+       IFX_TAPI_DEV_START_CFG_t dev_start;
+       IFX_TAPI_MAP_DATA_t map_data;
+       IFX_TAPI_ENC_CFG_t enc_cfg;
+       IFX_TAPI_LINE_VOLUME_t line_vol;
+       IFX_TAPI_WLEC_CFG_t wlec_cfg;
+       IFX_TAPI_JB_CFG_t jb_cfg;
+       IFX_TAPI_CID_CFG_t cid_cfg;
+       uint8_t c;
+
+       /* open device */
+       dev_ctx.dev_fd = tapi_dev_open(base_path, 0);
+
+       if (dev_ctx.dev_fd < 0) {
+               ast_log(LOG_ERROR, "tapi device open function failed\n");
+               return AST_MODULE_LOAD_FAILURE;
+       }
+
+       for (c = 0; c < dev_ctx.channels ; c++) {
+               dev_ctx.ch_fd[c] = tapi_dev_open(base_path, c + 1);
+
+               if (dev_ctx.ch_fd[c] < 0) {
+                       ast_log(LOG_ERROR, "tapi channel %d open function failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+       }
+
+       if (tapi_dev_firmware_download(dev_ctx.dev_fd, firmware_filename)) {
+               ast_log(LOG_ERROR, "voice firmware download failed\n");
+               return AST_MODULE_LOAD_FAILURE;
+       }
+
+       if (ioctl(dev_ctx.dev_fd, IFX_TAPI_DEV_STOP, 0)) {
+               ast_log(LOG_ERROR, "IFX_TAPI_DEV_STOP ioctl failed\n");
+               return AST_MODULE_LOAD_FAILURE;
+       }
+
+       memset(&dev_start, 0x0, sizeof(IFX_TAPI_DEV_START_CFG_t));
+       dev_start.nMode = IFX_TAPI_INIT_MODE_VOICE_CODER;
+
+       /* Start TAPI */
+       if (ioctl(dev_ctx.dev_fd, IFX_TAPI_DEV_START, &dev_start)) {
+               ast_log(LOG_ERROR, "IFX_TAPI_DEV_START ioctl failed\n");
+               return AST_MODULE_LOAD_FAILURE;
+       }
+
+       for (c = 0; c < dev_ctx.channels ; c++) {
+               /* tones */
+#ifdef TODO_TONES
+               memset(&tone, 0, sizeof(IFX_TAPI_TONE_t));
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_TONE_TABLE_CFG_SET, &tone)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_TONE_TABLE_CFG_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+#endif
+               /* ringing type */
+               IFX_TAPI_RING_CFG_t ringingType;
+               memset(&ringingType, 0, sizeof(IFX_TAPI_RING_CFG_t));
+               ringingType.nMode = IFX_TAPI_RING_CFG_MODE_INTERNAL_BALANCED;
+               ringingType.nSubmode = IFX_TAPI_RING_CFG_SUBMODE_DC_RNG_TRIP_FAST;
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_CFG_SET, (IFX_int32_t) &ringingType)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_RING_CFG_SET failed\n");
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* ring cadence */
+               IFX_char_t data[15] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+                                                               0x00, 0x00, 0x00, 0x00, 0x00,     
+                                                               0x00, 0x00, 0x00, 0x00, 0x00 };
+
+               IFX_TAPI_RING_CADENCE_t ringCadence;
+               memset(&ringCadence, 0, sizeof(IFX_TAPI_RING_CADENCE_t));
+               memcpy(&ringCadence.data, data, sizeof(data));
+               ringCadence.nr = sizeof(data) * 8;
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_CADENCE_HR_SET, &ringCadence)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_RING_CADENCE_HR_SET failed\n");
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* perform mapping */
+               memset(&map_data, 0x0, sizeof(IFX_TAPI_MAP_DATA_t));
+               map_data.nDstCh = c;
+               map_data.nChType = IFX_TAPI_MAP_TYPE_PHONE;
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_MAP_DATA_ADD, &map_data)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_MAP_DATA_ADD %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* set line feed */
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_STANDBY)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_LINE_FEED_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* Configure encoder */
+               memset(&enc_cfg, 0x0, sizeof(IFX_TAPI_ENC_CFG_t));
+               enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+               enc_cfg.nEncType = IFX_TAPI_COD_TYPE_MLAW;
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_CFG_SET, &enc_cfg)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_ENC_CFG_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* set volume */
+               memset(&line_vol, 0, sizeof(line_vol));
+               line_vol.nGainRx = rxgain;
+               line_vol.nGainTx = txgain;
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_PHONE_VOLUME_SET, &line_vol)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_PHONE_VOLUME_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* Configure line echo canceller */
+               memset(&wlec_cfg, 0, sizeof(wlec_cfg));
+               wlec_cfg.nType = wlec_type;
+               wlec_cfg.bNlp = wlec_nlp;
+               wlec_cfg.nNBFEwindow = wlec_nbfe;
+               wlec_cfg.nNBNEwindow = wlec_nbne;
+               wlec_cfg.nWBNEwindow = wlec_wbne;
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_WLEC_PHONE_CFG_SET, &wlec_cfg)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_WLEC_PHONE_CFG_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* Configure jitter buffer */
+               memset(&jb_cfg, 0, sizeof(jb_cfg));
+               jb_cfg.nJbType = jb_type;
+               jb_cfg.nPckAdpt = jb_pckadpt;
+               jb_cfg.nLocalAdpt = jb_localadpt;
+               jb_cfg.nScaling = jb_scaling;
+               jb_cfg.nInitialSize = jb_initialsize;
+               jb_cfg.nMinSize = jb_minsize;
+               jb_cfg.nMaxSize = jb_maxsize;
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_JB_CFG_SET, &jb_cfg)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_JB_CFG_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* Configure Caller ID type */
+               memset(&cid_cfg, 0, sizeof(cid_cfg));
+               cid_cfg.nStandard = cid_type;
+
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_CID_CFG_SET, &cid_cfg)) {
+                       ast_log(LOG_ERROR, "IIFX_TAPI_CID_CFG_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* Configure voice activity detection */
+               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_VAD_CFG_SET, vad_type)) {
+                       ast_log(LOG_ERROR, "IFX_TAPI_ENC_VAD_CFG_SET %d failed\n", c);
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* Setup TAPI <-> Asterisk codec type mapping */
+               if (tapi_setup_rtp(c)) {
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+
+               /* Set initial hook status */
+               iflist[c].channel_state = tapi_get_hookstatus(c);
+               
+               if (iflist[c].channel_state == UNKNOWN) {
+                       return AST_MODULE_LOAD_FAILURE;
+               }
+       }
+
+       restart_monitor();
+       return AST_MODULE_LOAD_SUCCESS;
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Lantiq TAPI Telephony API Support");
diff --git a/net/asterisk-1.8.x/src-lantiq/configs/lantiq.conf.sample b/net/asterisk-1.8.x/src-lantiq/configs/lantiq.conf.sample
new file mode 100644 (file)
index 0000000..16ba174
--- /dev/null
@@ -0,0 +1,138 @@
+;
+; TAPI Telephony Interface
+;
+; Configuration file
+
+[interfaces]
+;
+; Number of FXS ports (default: 2)
+channels = 2
+;
+; Set tapi firmware file path
+;firmwarefilename = /lib/firmware/danube_firmware.bin
+;
+; Set tapi bbd file path
+;bbdfilename = /lib/firmware/danube_bbd_fxs.bin
+;
+; Set vmmc device path
+;basepath = /dev/vmmc
+;
+[general]
+;
+; Gain setting for the receive and transmit path.
+; The value is given in dB within the range (-24dB to +12dB), in 1 dB steps.
+;
+;rxgain = 1
+;txgain = 1
+;
+;
+;
+; Line echo cancller valid types:
+;
+; off          LEC and echo suppressor turned off.
+; nlec         LEC using fixed window; no echo suppressor.
+; wlec         LEC using fixed and moving window; no echo suppressor.
+; nees         LEC using fixed window and echo suppressor.
+; nfees                LEC using fixed and moving window and echo suppressor.
+; es           Echo suppressor
+;
+;echocancel = off
+;
+; If nlec or wlec is selected than size of the fixed window in narrowband (8 kHz) sampling mode
+; can be defined with:
+; A value of 0 defaults to: 16 ms if type is nlec or 8 ms if type is wlec:
+;
+;echocancelfixedwindowsize = 0
+;
+; If wlec is selected than size of the moving window in narrowband (8 kHz) sampling mode
+; can be defined with:
+; A value of 0 defaults to 8 ms.
+;
+;echocancelnfemovingwindowsize = 0
+;
+; If wlec is selected than size of the moving window in wideband (16 kHz) sampling mode
+; can be defined with:
+; A value of 0 defaults to 8 ms.
+;
+;echocancelwidefixedwindowsize = 0
+;
+; Activate or deactivate line echo cancller NLP (Non Linear Processor) if the LEC is active,
+; valid is on or off:
+;
+;echocancelnlp = off
+;
+;
+;
+; Jitter buffer valid types:
+;
+; fixed                Fixed jitter buffer.
+; adaptive     Adaptive jitter buffer.
+;
+;jitterbuffertype = fixed
+;
+; Jitter buffer packet adaptation valid types:
+;
+; voice                Jitter buffer optimized for voice.
+; data         Jitter buffer optimized for data.
+; datanorep    Jitter buffer optimized for data but without doing packet repetition.
+;
+;jitterbufferpackettype = voice
+;
+;      Following jitter buffer values can only be used with jitter buffer adaptive type:
+; Turns on or off jitter buffer adaptation:
+;
+;jitterbufferadaptation = off
+;
+; Scaling factor multiplied by 16; in adaptive jitter buffer mode, the target average playout delay is
+; equal to the estimated jitter multiplied by the scaling factor. The default value for the scaling factor
+; is about 1.4 (scaling=22), meaning that the target average playout delay is equal to the estimated
+; jitter. If less packets should be dropped because of jitter, the scaling factor has to be increased. An
+; increase in the scaling factor will eventually lead to an increased playout delay.
+; The supported range is 1 to 16 (16 up to 256).
+;
+;jitterbufferscalling = 1
+;
+; Initial size of the jitter buffer in time stamps of 125 us:
+;
+;jitterbufferinitialsize = 125
+;
+; Minimum size of the jitter buffer in time stamps of 125 us
+;
+;jitterbufferminsize = 125
+;
+; Maximum size of the jitter buffer in time stamps of 125 us
+;
+;jitterbuffermaxsize = 125
+;
+;
+;
+; Caller id valid standards:
+;
+; telecordia    Bellcore/Telcordia GR-30-CORE; use Bell202 FSK coding of CID information. (default)
+; etsifsk       ETSI 300-659-1/2/3 V1.3.1; use V.23 FSK coding to transmit CID information.
+; etsidtmf      ETSI 300-659-1/2/3 V1.3.1; use DTMF transmission of CID information.
+; sin           SIN 227 Issue 3.4; use V.23 FSK coding of CID information.
+; ntt           NTT standard: TELEPHONE SERVICE INTERFACES, edition 5; use a modified V.23 FSK coding of
+;               CID information.
+; kpndtmf       KPN; use DTMF transmission of CID information.
+; kpndtmffsk    KPN; use DTMF and FSK transmission of CID information.
+;
+;calleridtype = telecordia
+;
+;
+;
+; Voice activity detection:
+;
+; on           Voice activity detection on; in this case also comfort noise and spectral
+;              information (nicer noise) is switched on.
+; g711         Voice activity detection on with comfort noise generation,
+;              but without spectral information.
+; cng          Voice activity detection on with comfort noise generation, but without silence compression
+; sc           Voice activity detection on with silence compression,
+;              but without comfort noise generation.
+;
+;voiceactivitydetection = on
+;
+;
+;
+;
diff --git a/net/asterisk-1.8.x/src/channels/chan_lantiq.c b/net/asterisk-1.8.x/src/channels/chan_lantiq.c
deleted file mode 100644 (file)
index cbab35a..0000000
+++ /dev/null
@@ -1,1505 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 2012, Luka Perkov
- * Copyright (C) 2012, John Crispin
- * Copyright (C) 2012, Andrej Vlašić
- * Copyright (C) 2012, Kaspar Schleiser for T-Labs
- *                     (Deutsche Telekom Innovation Laboratories)
- * Copyright (C) 2012, Mirko Vogt for T-Labs
- *                     (Deutsche Telekom Innovation Laboratories)
- *
- * Luka Perkov <openwrt@lukaperkov.net>
- * John Crispin <blogic@openwrt.org>
- * Andrej Vlašić <andrej.vlasic0@gmail.com>
- * Kaspar Schleiser <kaspar@schleiser.de>
- * Mirko Vogt <mirko@openwrt.org>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief Asterisk channel line driver for Lantiq based TAPI boards
- *
- * \author Luka Perkov <openwrt@lukaperkov.net>
- * \author John Crispin <blogic@openwrt.org>
- * \author Andrej Vlašić <andrej.vlasic0@gmail.com>
- * \author Kaspar Schleiser <kaspar@schleiser.de>
- * \author Mirko Vogt <mirko@openwrt.org>
- * 
- * \ingroup channel_drivers
- */
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision: xxx $")
-
-#include <ctype.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <arpa/inet.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <signal.h>
-#ifdef HAVE_LINUX_COMPILER_H
-#include <linux/compiler.h>
-#endif
-#include <linux/telephony.h>
-
-#include <asterisk/lock.h>
-#include <asterisk/channel.h>
-#include <asterisk/config.h>
-#include <asterisk/module.h>
-#include <asterisk/pbx.h>
-#include <asterisk/utils.h>
-#include <asterisk/callerid.h>
-#include <asterisk/causes.h>
-#include <asterisk/stringfields.h>
-#include <asterisk/musiconhold.h>
-#include <asterisk/sched.h>
-
-#include "chan_phone.h"
-
-/* Lantiq TAPI includes */
-#include <drv_tapi/drv_tapi_io.h>
-#include <drv_vmmc/vmmc_io.h>
-
-#define RTP_HEADER_LEN 12
-
-#define TAPI_AUDIO_PORT_NUM_MAX                 2
-#define TAPI_TONE_LOCALE_NONE                   0      // for TAPI user defined use 32
-#define TAPI_TONE_LOCALE_BUSY_CODE              27     // for TAPI user defined use 33
-#define TAPI_TONE_LOCALE_CONGESTION_CODE        27     // for TAPI user defined use 34
-#define TAPI_TONE_LOCALE_DIAL_CODE              25     // for TAPI user defined use 35
-#define TAPI_TONE_LOCALE_RING_CODE              36
-#define TAPI_TONE_LOCALE_WAITING_CODE           37
-
-static const char config[] = "lantiq.conf";
-
-static char firmware_filename[PATH_MAX] = "/lib/firmware/ifx_firmware.bin";
-static char bbd_filename[PATH_MAX] = "/lib/firmware/ifx_bbd_fxs.bin";
-static char base_path[PATH_MAX] = "/dev/vmmc";
-
-/*
- * The private structures of the Phone Jack channels are linked for selecting
- * outgoing channels.
- */
-enum channel_state {
-       ONHOOK,
-       OFFHOOK,
-       DIALING,
-       INCALL,
-       CALL_ENDED,
-       RINGING,
-       UNKNOWN
-};
-
-static struct tapi_pvt {
-       struct ast_channel *owner;         /* Channel we belong to, possibly NULL  */
-       int port_id;                       /* Port number of this object, 0..n     */
-       int channel_state;
-       char *context;                     /* this port's dialplan context         */
-       char ext[AST_MAX_EXTENSION+1];     /* the extension this port is connecting*/
-       int dial_timer;                    /* timer handle for autodial timeout    */
-       char dtmfbuf[AST_MAX_EXTENSION+1]; /* buffer holding dialed digits         */
-       int dtmfbuf_len;                   /* lenght of dtmfbuf                    */
-       int rtp_timestamp;                 /* timestamp for RTP packets            */
-       uint16_t rtp_seqno;                /* Sequence nr for RTP packets          */
-} *iflist = NULL;
-
-static struct tapi_ctx {
-               int dev_fd;
-               int channels;
-               int ch_fd[TAPI_AUDIO_PORT_NUM_MAX];
-} dev_ctx;
-
-static int ast_digit_begin(struct ast_channel *ast, char digit);
-static int ast_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
-static int ast_phone_call(struct ast_channel *ast, char *dest, int timeout);
-static int ast_phone_hangup(struct ast_channel *ast);
-static int ast_phone_answer(struct ast_channel *ast);
-static struct ast_frame *ast_phone_read(struct ast_channel *ast);
-static int ast_phone_write(struct ast_channel *ast, struct ast_frame *frame);
-static struct ast_frame *ast_phone_exception(struct ast_channel *ast);
-static int ast_phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen);
-static int ast_phone_fixup(struct ast_channel *old, struct ast_channel *new);
-static struct ast_channel *ast_phone_requester(const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause);
-
-static const struct ast_channel_tech tapi_tech = {
-       .type = "TAPI",
-       .description = "Lantiq TAPI Telephony API Driver",
-       .capabilities = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_G729A,
-       .send_digit_begin = ast_digit_begin,
-       .send_digit_end = ast_digit_end,
-       .call = ast_phone_call,
-       .hangup = ast_phone_hangup,
-       .answer = ast_phone_answer,
-       .read = ast_phone_read,
-       .write = ast_phone_write,
-       .exception = ast_phone_exception,
-       .indicate = ast_phone_indicate,
-       .fixup = ast_phone_fixup,
-       .requester = ast_phone_requester
-};
-
-/* Protect the interface list (of tapi_pvt's) */
-AST_MUTEX_DEFINE_STATIC(iflock);
-
-/*
- * Protect the monitoring thread, so only one process can kill or start it, and
- * not when it's doing something critical.
- */
-AST_MUTEX_DEFINE_STATIC(monlock);
-
-/* Boolean value whether the monitoring thread shall continue. */
-static unsigned int monitor;
-
-/* The scheduling thread */
-struct ast_sched_thread *sched_thread;
-   
-/*
- * This is the thread for the monitor which checks for input on the channels
- * which are not currently in use.
- */
-static pthread_t monitor_thread = AST_PTHREADT_NULL;
-
-
-#define WORDS_BIGENDIAN
-/* struct taken from some GPLed code by  Mike Borella */
-typedef struct rtp_header
-{
-#if defined(WORDS_BIGENDIAN)
-  uint8_t version:2, padding:1, extension:1, csrc_count:4;
-#else
-  uint8_t csrc_count:4, extension:1, padding:1, version:2;
-#endif
-#if defined(WORDS_BIGENDIAN)
-  uint8_t marker:1, payload_type:7;
-#else
-  uint8_t payload_type:7, marker:1;
-#endif
-  uint16_t seqno;
-  uint32_t timestamp;
-  uint32_t ssrc;
-} rtp_header_t;
-
-static int tapi_dev_open(const char *dev_path, const int32_t ch_num)
-{
-       char dev_name[FILENAME_MAX + 1];
-       memset(dev_name, 0, sizeof(dev_name));
-       snprintf(dev_name, FILENAME_MAX, "%s%u%u", dev_path, 1, ch_num);
-       return open((const char*)dev_name, O_RDWR, 0644);
-}
-
-static void tapi_ring(int c, int r)
-{
-       uint8_t status;
-
-       if (r) {
-               status = (uint8_t) ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_START, 0);
-       } else {
-               status = (uint8_t) ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_STOP, 0);
-       }
-
-       if (status) {
-               ast_log(LOG_ERROR, "%s ioctl failed\n",
-                       (r ? "IFX_TAPI_RING_START" : "IFX_TAPI_RING_STOP"));
-       }
-}
-
-static int tapi_play_tone(int c, int t)
-{
-       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_TONE_LOCAL_PLAY, t)) {
-               ast_log(LOG_ERROR, "IFX_TAPI_TONE_LOCAL_PLAY ioctl failed\n");
-               return -1;
-       }
-
-       return 0;
-}
-
-static enum channel_state tapi_get_hookstatus(int port)
-{
-       uint8_t status;
-
-       if (ioctl(dev_ctx.ch_fd[port], IFX_TAPI_LINE_HOOK_STATUS_GET, &status)) {
-               ast_log(LOG_ERROR, "IFX_TAPI_LINE_HOOK_STATUS_GET ioctl failed\n");
-               return UNKNOWN;
-       }
-
-       if (status) {
-               return OFFHOOK;
-       } else {
-               return ONHOOK;
-       }
-}
-
-static int
-tapi_dev_binary_buffer_create(const char *path, uint8_t **ppBuf, uint32_t *pBufSz)
-{
-       FILE *fd;
-       struct stat file_stat;
-       int32_t status = 0;
-
-       fd = fopen(path, "rb");
-       if (fd == NULL) {
-               ast_log(LOG_ERROR, "binary file %s open failed\n", path);
-               return -1;
-       }
-
-       if (stat(path, &file_stat)) {
-               ast_log(LOG_ERROR, "file %s statistics get failed\n", path);
-               return -1;
-       }
-
-       *ppBuf = malloc(file_stat.st_size);
-       if (*ppBuf == NULL) {
-               ast_log(LOG_ERROR, "binary file %s memory allocation failed\n", path);
-               status = -1;
-               goto on_exit;
-       }
-
-       if (fread (*ppBuf, sizeof(uint8_t), file_stat.st_size, fd) <= 0) {
-               ast_log(LOG_ERROR, "file %s read failed\n", path);
-               status = -1;
-               goto on_exit;
-       }
-
-       *pBufSz = file_stat.st_size;
-
-on_exit:
-       if (fd != NULL)
-               fclose(fd);
-
-       if (*ppBuf != NULL && status)
-               free(*ppBuf);
-
-       return status;
-}
-
-static void
-tapi_dev_binary_buffer_delete(uint8_t *pBuf)
-{
-       if (pBuf != NULL)
-               free(pBuf);
-}
-
-static int32_t
-tapi_dev_firmware_download(int32_t fd, const char *path)
-{
-       uint8_t *firmware = NULL;
-       uint32_t size = 0;
-       VMMC_IO_INIT vmmc_io_init;
-
-       if (tapi_dev_binary_buffer_create(path, &firmware, &size)) {
-               ast_log(LOG_ERROR, "binary buffer create failed!\n");
-               return -1;
-       }
-
-       memset(&vmmc_io_init, 0, sizeof(VMMC_IO_INIT));
-       vmmc_io_init.pPRAMfw = firmware;
-       vmmc_io_init.pram_size = size;
-
-       if (ioctl(fd, FIO_FW_DOWNLOAD, &vmmc_io_init)) {
-               ast_log(LOG_ERROR, "FIO_FW_DOWNLOAD ioctl failed!\n");
-               return -1;
-       }
-
-       tapi_dev_binary_buffer_delete(firmware);
-
-       return 0;
-}
-
-static const char *state_string(enum channel_state s)
-{
-       switch (s) {
-               case ONHOOK: return "ONHOOK";
-               case OFFHOOK: return "OFFHOOK";
-               case DIALING: return "DIALING";
-               case INCALL: return "INCALL";
-               case CALL_ENDED: return "CALL_ENDED";
-               case RINGING: return "RINGING";
-               default: return "UNKNOWN";
-       }
-}
-
-static const char *control_string(int c)
-{
-       switch (c) {
-               case AST_CONTROL_HANGUP: return "Other end has hungup";
-               case AST_CONTROL_RING: return "Local ring";
-               case AST_CONTROL_RINGING: return "Remote end is ringing";
-               case AST_CONTROL_ANSWER: return "Remote end has answered";
-               case AST_CONTROL_BUSY: return "Remote end is busy";
-               case AST_CONTROL_TAKEOFFHOOK: return "Make it go off hook";
-               case AST_CONTROL_OFFHOOK: return "Line is off hook";
-               case AST_CONTROL_CONGESTION: return "Congestion (circuits busy)";
-               case AST_CONTROL_FLASH: return "Flash hook";
-               case AST_CONTROL_WINK: return "Wink";
-               case AST_CONTROL_OPTION: return "Set a low-level option";
-               case AST_CONTROL_RADIO_KEY: return "Key Radio";
-               case AST_CONTROL_RADIO_UNKEY: return "Un-Key Radio";
-               case AST_CONTROL_PROGRESS: return "Remote end is making Progress";
-               case AST_CONTROL_PROCEEDING: return "Remote end is proceeding";
-               case AST_CONTROL_HOLD: return "Hold";
-               case AST_CONTROL_UNHOLD: return "Unhold";
-               case AST_CONTROL_SRCUPDATE: return "Media Source Update";
-               case AST_CONTROL_CONNECTED_LINE: return "Connected Line";
-               case AST_CONTROL_REDIRECTING: return "Redirecting";
-               case AST_CONTROL_INCOMPLETE: return "Incomplete";
-               case -1: return "Stop tone";
-               default: return "Unknown";
-       }
-}
-
-static int ast_phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen)
-{
-       ast_verb(3, "TAPI: phone indication \"%s\".\n", control_string(condition));
-       return 0;
-}
-
-static int ast_phone_fixup(struct ast_channel *old, struct ast_channel *new)
-{
-       ast_debug(1, "TAPI: ast_phone_fixup()\n");
-       return 0;
-}
-
-static int ast_digit_begin(struct ast_channel *chan, char digit)
-{
-       /* TODO: Modify this callback to let Asterisk support controlling the length of DTMF */
-       ast_debug(1, "TAPI: ast_digit_begin()\n");
-       return 0;
-}
-
-static int ast_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
-{
-       ast_debug(1, "TAPI: ast_digit_end()\n");
-       return 0;
-}
-
-static int ast_phone_call(struct ast_channel *ast, char *dest, int timeout)
-{
-       ast_debug(1, "TAPI: ast_phone_call()\n");
-
-       ast_mutex_lock(&iflock);
-       
-       struct tapi_pvt *pvt = ast->tech_pvt;
-       
-       ast_debug(1, "TAPI: ast_phone_call() state: %s\n", state_string(pvt->channel_state));
-
-       if (pvt->channel_state == ONHOOK) {
-               ast_debug(1, "TAPI: ast_phone_call(): port %i ringing.\n", pvt->port_id);
-               tapi_ring(pvt->port_id, 1);
-               pvt->channel_state = RINGING;
-
-               ast_setstate(ast, AST_STATE_RINGING);
-               ast_queue_control(ast, AST_CONTROL_RINGING);
-       } else {
-               ast_debug(1, "TAPI: ast_phone_call(): port %i busy.\n", pvt->port_id);
-               ast_setstate(ast, AST_STATE_BUSY);
-               ast_queue_control(ast, AST_CONTROL_BUSY);
-       }
-               
-       ast_mutex_unlock(&iflock);
-
-       return 0;
-}
-
-static int ast_phone_hangup(struct ast_channel *ast)
-{
-       ast_debug(1, "TAPI: ast_phone_hangup()\n");
-
-       struct tapi_pvt *pvt = ast->tech_pvt;
-
-       /* lock to prevent simultaneous access with do_monitor thread processing */
-       ast_mutex_lock(&iflock);
-       
-       if (ast->_state == AST_STATE_RINGING) {
-               ast_debug(1, "TAPI: ast_phone_hangup(): ast->_state == AST_STATE_RINGING\n");
-       }
-
-       switch (pvt->channel_state) {
-               case RINGING:
-               case ONHOOK: 
-                       {
-                               tapi_ring(pvt->port_id, 0);
-                               pvt->channel_state = ONHOOK;
-                               break;
-                       }
-               default:
-                       {
-                               ast_debug(1, "TAPI: ast_phone_hangup(): we were hung up, play busy tone.\n");
-                               pvt->channel_state = CALL_ENDED;
-                               tapi_play_tone(pvt->port_id, TAPI_TONE_LOCALE_BUSY_CODE);
-                       }
-       }
-
-       ast_setstate(ast, AST_STATE_DOWN);
-       ast_module_unref(ast_module_info->self);
-       ast->tech_pvt = NULL;
-       pvt->owner = NULL;
-
-       ast_mutex_unlock(&iflock);
-
-       return 0;
-}
-
-static int ast_phone_answer(struct ast_channel *ast)
-{
-       ast_debug(1, "TAPI: ast_phone_answer()\n");
-       return 0;
-}
-
-static struct ast_frame * ast_phone_read(struct ast_channel *ast)
-{
-       ast_debug(1, "TAPI: ast_phone_read()\n");
-       return NULL;
-}
-
-static int ast_phone_write(struct ast_channel *ast, struct ast_frame *frame)
-{
-       ast_debug(1, "TAPI: ast_phone_write()\n");
-
-       char buf[2048];
-       struct tapi_pvt *pvt = ast->tech_pvt;
-       int ret = -1;
-       rtp_header_t *rtp_header = (rtp_header_t *) buf;
-
-       if(frame->frametype != AST_FRAME_VOICE) {
-               ast_debug(1, "TAPI: ast_phone_write(): unhandled frame type.\n");
-               return 0;
-       }
-
-       memset(buf, '\0', sizeof(rtp_header_t));
-       rtp_header->version      = 2;
-       rtp_header->padding      = 0;
-       rtp_header->extension    = 0;
-       rtp_header->csrc_count   = 0;
-       rtp_header->marker       = 0;
-       rtp_header->timestamp    = pvt->rtp_timestamp;
-       rtp_header->seqno        = pvt->rtp_seqno++;
-       rtp_header->ssrc         = 0;
-       rtp_header->payload_type = (uint8_t) frame->subclass.codec;
-
-       pvt->rtp_timestamp += 160;
-
-       memcpy(buf+RTP_HEADER_LEN, frame->data.ptr, frame->datalen);
-
-       ret = write(dev_ctx.ch_fd[pvt->port_id], buf, frame->datalen+RTP_HEADER_LEN);
-       if (ret <= 0) {
-               ast_debug(1, "TAPI: ast_phone_write(): error writing.\n");
-               return -1;
-       }
-
-#ifdef TODO_DEVEL_INFO
-       ast_debug(1, "ast_phone_write(): size: %i version: %i padding: %i extension: %i csrc_count: %i\n"
-                "marker: %i payload_type: %s seqno: %i timestamp: %i ssrc: %i\n", 
-                        (int)ret,
-                        (int)rtp_header->version,
-                        (int)rtp_header->padding,
-                        (int)rtp_header->extension,
-                        (int)rtp_header->csrc_count,
-                        (int)rtp_header->marker,
-                        ast_codec2str(rtp_header->payload_type),
-                        (int)rtp_header->seqno,
-                        (int)rtp_header->timestamp,
-                        (int)rtp_header->ssrc);
-#endif
-
-       return 0;
-}
-
-static struct ast_frame * ast_phone_exception(struct ast_channel *ast)
-{
-       ast_debug(1, "TAPI: ast_phone_exception()\n");
-       return NULL;
-}
-
-static int tapi_standby(int c)
-{
-       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_STANDBY)) {
-               ast_log(LOG_ERROR, "IFX_TAPI_LINE_FEED_SET ioctl failed\n");
-               return -1;
-       }
-
-       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_STOP, 0)) {
-               ast_log(LOG_ERROR, "IFX_TAPI_ENC_STOP ioctl failed\n");
-               return -1;
-       }
-
-       if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_DEC_STOP, 0)) {
-               ast_log(LOG_ERROR, "IFX_TAPI_DEC_STOP ioctl failed\n");
-               return -1;
-       }
-
-       return tapi_play_tone(c, TAPI_TONE_LOCALE_NONE);
-}
-
-static int tapi_end_dialing(int c)
-{
-       ast_debug(1, "%s\n", __FUNCTION__);
-       struct tapi_pvt *pvt = &iflist[c];
-
-       if (pvt->dial_timer) {
-               ast_sched_thread_del(sched_thread, pvt->dial_timer);
-               pvt->dial_timer = 0;
-       }
-
-       if(pvt->owner) {
-               ast_hangup(pvt->owner);
-       }
-
-       return 0;
-}
-
-static int tapi_end_call(int c)
-{
-       ast_debug(1, "%s\n", __FUNCTION__);
-
-       struct tapi_pvt *pvt = &iflist[c];
-       
-       if(pvt->owner) {
-               ast_queue_hangup(pvt->owner);
-       }
-
-       return 0;
-}
-
-static struct ast_channel * tapi_channel(int state, int c, char *ext, char *ctx)
-{
-       ast_debug(1, "tapi_channel()\n");
-
-       struct ast_channel *chan = NULL;
-
-       struct tapi_pvt *pvt = &iflist[c];
-
-       chan = ast_channel_alloc(1, state, NULL, NULL, "", ext, ctx, 0, c, "TAPI/%s", "1");
-
-       chan->tech = &tapi_tech;
-       chan->nativeformats = AST_FORMAT_ULAW;
-       chan->readformat  = AST_FORMAT_ULAW;
-       chan->writeformat = AST_FORMAT_ULAW;
-       chan->tech_pvt = pvt;
-
-       pvt->owner = chan;
-
-       return chan;
-}
-
-static struct ast_channel * ast_phone_requester(const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause)
-{
-       char buf[BUFSIZ];
-       
-       struct ast_channel *chan = NULL;
-       int port_id = -1;
-
-       ast_debug(1, "Asked to create a TAPI channel with formats: %s\n", ast_getformatname_multiple(buf, sizeof(buf), format));
-
-       if (ast_mutex_lock(&iflock)) {
-               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-               return NULL;
-       }
-
-       /* check for correct data argument */
-       if (ast_strlen_zero(data)) {
-               ast_log(LOG_ERROR, "Unable to create channel with empty destination.\n");
-               *cause = AST_CAUSE_CHANNEL_UNACCEPTABLE;
-               return NULL;
-       }
-
-       /* get our port number */
-       port_id = atoi((char*) data);
-       if (port_id < 1 || port_id > dev_ctx.channels) {
-               ast_log(LOG_ERROR, "Unknown channel ID: \"%s\"\n", (char*) data);
-               *cause = AST_CAUSE_CHANNEL_UNACCEPTABLE;
-               return NULL;
-       }
-
-       /* on asterisk user's side, we're using port 1-2.
-        * Here in non normal human's world, we begin
-        * counting at 0.
-        */
-       port_id -= 1;
-
-       chan = tapi_channel(AST_STATE_DOWN, port_id, NULL, NULL);
-
-       ast_mutex_unlock(&iflock);
-       return chan;
-}
-
-static int tapi_dev_data_handler(int c) {
-       char buf[BUFSIZ];
-       struct ast_frame frame = {0};
-
-       int res = read(dev_ctx.ch_fd[c], buf, sizeof(buf));
-       if (res <= 0) ast_debug(1, "%s: Read error: %i.\n", __FUNCTION__, res);
-       
-       rtp_header_t *rtp = (rtp_header_t*) buf;
-
-       frame.src = "TAPI";
-       frame.frametype = AST_FRAME_VOICE;
-       frame.subclass.codec = rtp->payload_type;
-       frame.samples = res - RTP_HEADER_LEN;
-       frame.datalen = res - RTP_HEADER_LEN;
-       frame.data.ptr = buf + RTP_HEADER_LEN;
-
-       ast_mutex_lock(&iflock);
-       struct tapi_pvt *pvt = (struct tapi_pvt *) &iflist[c];
-       if (pvt->owner && (pvt->owner->_state == AST_STATE_UP)) {
-               if(!ast_channel_trylock(pvt->owner)) {
-                       ast_queue_frame(pvt->owner, &frame);
-                       ast_channel_unlock(pvt->owner);
-               }
-       }
-
-       ast_mutex_unlock(&iflock);
-
-/*     ast_debug(1, "tapi_dev_data_handler(): size: %i version: %i padding: %i extension: %i csrc_count: %i \n"
-                                "marker: %i payload_type: %s seqno: %i timestamp: %i ssrc: %i\n", 
-                                (int)res,
-                                (int)rtp->version,
-                                (int)rtp->padding,
-                                (int)rtp->extension,
-                                (int)rtp->csrc_count,
-                                (int)rtp->marker,
-                                ast_codec2str(rtp->payload_type),
-                                (int)rtp->seqno,
-                                (int)rtp->timestamp,
-                                (int)rtp->ssrc);
-*/
-       return 0;
-}
-
-static int accept_call(int c)
-{
-       ast_debug(1, "%s: line %i\n", __FUNCTION__, __LINE__);
-
-       struct tapi_pvt *pvt = &iflist[c];
-
-       if (pvt->owner) {
-               struct ast_channel *chan = pvt->owner;
-
-               switch (chan->_state) {
-                       case AST_STATE_RINGING:
-                               {
-                                       ast_queue_control(pvt->owner, AST_CONTROL_ANSWER);
-                                       pvt->channel_state = INCALL;
-                                       break;
-                               }
-                       default:
-                               {
-                                       ast_debug(1, "%s: line %i: unhandled state %s.\n", __FUNCTION__, __LINE__, ast_state2str(chan->_state));
-                               }
-               }
-       }
-
-       return 0;
-}
-
-static int tapi_dev_event_hook(int c, int state)
-{
-       ast_log(LOG_ERROR, "TAPI: channel %i %s hook.\n", c, state ? "on" : "off");
-
-       if (ast_mutex_lock(&iflock)) {
-               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-               return -1;
-       }
-
-       int ret = -1;
-       if (state) {
-               switch (iflist[c].channel_state) {
-                       case OFFHOOK: 
-                               ret = tapi_standby(c);
-                               break;
-                       case DIALING: 
-                               ret = tapi_end_dialing(c);
-                               break;
-                       case INCALL: 
-                               ret = tapi_end_call(c);
-                               break;
-                       case CALL_ENDED:
-                               ret = tapi_standby(c); // TODO: are we sure for this ?
-                               break;
-                       default:
-                               break;
-               }
-               iflist[c].channel_state = ONHOOK;
-       } else {
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_ACTIVE)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_LINE_FEED_SET ioctl failed\n");
-                       goto out;
-               }
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_START, 0)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_ENC_START ioctl failed\n");
-                       goto out;
-               }
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_DEC_START, 0)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_DEC_START ioctl failed\n");
-                       goto out;
-               }
-
-               switch (iflist[c].channel_state) {
-                       case RINGING: 
-                               ret = accept_call(c);
-                               break;
-                       default:
-                               iflist[c].channel_state = OFFHOOK;
-                               tapi_play_tone(c, TAPI_TONE_LOCALE_DIAL_CODE);
-                               ret = 0;
-                               break;
-               }
-
-       }
-
-out:
-       ast_mutex_unlock(&iflock);
-
-       return ret;
-}
-
-static void tapi_reset_dtmfbuf(struct tapi_pvt *pvt)
-{
-       pvt->dtmfbuf[0] = '\0';
-       pvt->dtmfbuf_len = 0;
-       pvt->ext[0] = '\0';
-}
-
-static void tapi_dial(struct tapi_pvt *pvt)
-{
-       ast_debug(1, "TAPI: tapi_dial()\n");
-
-       struct ast_channel *chan = NULL;
-
-       ast_debug(1, "TAPI: tapi_dial(): user want's to dial %s.\n", pvt->dtmfbuf);
-
-       if (ast_exists_extension(NULL, pvt->context, pvt->dtmfbuf, 1, NULL)) {
-               ast_debug(1, "TAPI: tapi_dial(): Asterisk knows extension %s, dialing.\n", pvt->dtmfbuf);
-
-               strcpy(pvt->ext, pvt->dtmfbuf);
-
-               ast_verbose( VERBOSE_PREFIX_3 "  extension exists, starting PBX %s\n", pvt->ext);
-
-               chan = tapi_channel(1, AST_STATE_UP, pvt->ext+1, pvt->context);
-               chan->tech_pvt = pvt;
-               pvt->owner = chan;
-
-               strcpy(chan->exten, pvt->ext);
-               ast_setstate(chan, AST_STATE_RING);
-               pvt->channel_state = INCALL;
-
-               if (ast_pbx_start(chan)) {
-                       ast_log(LOG_WARNING, "  Unable to start PBX on %s\n", chan->name);
-                       ast_hangup(chan);
-               }
-       }
-       else {
-               ast_debug(1, "TAPI: tapi_dial(): no extension found.\n");
-
-               tapi_play_tone(pvt->port_id, TAPI_TONE_LOCALE_BUSY_CODE);
-               pvt->channel_state = CALL_ENDED;
-       }
-       
-       tapi_reset_dtmfbuf(pvt);
-}
-
-static int tapi_event_dial_timeout(const void* data)
-{
-       ast_debug(1, "TAPI: tapi_event_dial_timeout()\n");
-
-       struct tapi_pvt *pvt = (struct tapi_pvt *) data;
-       pvt->dial_timer = 0;
-
-       if (! pvt->channel_state == ONHOOK) {
-               tapi_dial(pvt);
-       } else {
-               ast_debug(1, "TAPI: tapi_event_dial_timeout(): dial timeout in state ONHOOK.\n");
-       }
-
-       return 0;
-}
-
-
-static void tapi_dev_event_digit(int c, char digit)
-{
-       ast_debug(1, "TAPI: tapi_event_digit() port=%i digit=%c\n", port, digit);
-       if (ast_mutex_lock(&iflock)) {
-               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-               return;
-       }
-
-       struct tapi_pvt *pvt = &iflist[c];
-
-       switch (pvt->channel_state) {
-               case OFFHOOK:  
-                       pvt->channel_state = DIALING;
-
-                       tapi_play_tone(c, TAPI_TONE_LOCALE_NONE);
-
-                       /* fall through */
-               case DIALING: 
-                       if (digit == '#') {
-                               if (pvt->dial_timer) {
-                                       ast_sched_thread_del(sched_thread, pvt->dial_timer);
-                                       pvt->dial_timer = 0;
-                               }
-
-                               tapi_dial(pvt);
-                       } else {
-                               pvt->dtmfbuf[pvt->dtmfbuf_len] = digit;
-                               pvt->dtmfbuf_len++;
-                               pvt->dtmfbuf[pvt->dtmfbuf_len] = '\0';
-
-                               /* setup autodial timer */
-                               if (!pvt->dial_timer) {
-                                       ast_debug(1, "TAPI: tapi_dev_event_digit() setting new timer.\n");
-                                       pvt->dial_timer = ast_sched_thread_add(sched_thread, 2000, tapi_event_dial_timeout, (const void*) pvt);
-                               } else {
-                                       ast_debug(1, "TAPI: tapi_dev_event_digit() replacing timer.\n");
-                                       struct sched_context *sched = ast_sched_thread_get_context(sched_thread);
-                                       AST_SCHED_REPLACE(pvt->dial_timer, sched, 2000, tapi_event_dial_timeout, (const void*) pvt);
-                               }
-                       }
-                       break;
-               default:
-                       ast_debug(1, "TAPI: tapi_dev_event_digit() unhandled state.\n");
-                       break;
-       }
-
-       ast_mutex_unlock(&iflock);
-       return;
-}
-
-static void tapi_dev_event_handler(void)
-{
-       IFX_TAPI_EVENT_t event;
-       unsigned int i;
-
-       for (i = 0; i < dev_ctx.channels ; i++) {
-               if (ast_mutex_lock(&iflock)) {
-                       ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-                       break;
-               }
-
-               memset (&event, 0, sizeof(event));
-               event.ch = i;
-               if (ioctl(dev_ctx.dev_fd, IFX_TAPI_EVENT_GET, &event))
-                       continue;
-               if (event.id == IFX_TAPI_EVENT_NONE)
-                       continue;
-               ast_mutex_unlock(&iflock);
-
-               switch(event.id) {
-                       case IFX_TAPI_EVENT_FXS_ONHOOK:
-                               tapi_dev_event_hook(i, 1);
-                               break;
-                       case IFX_TAPI_EVENT_FXS_OFFHOOK:
-                               tapi_dev_event_hook(i, 0);
-                               break;
-                       case IFX_TAPI_EVENT_DTMF_DIGIT:
-                               ast_log(LOG_ERROR, "ON CHANNEL %d DETECTED DTMF DIGIT: %c\n", i, (char)event.data.dtmf.ascii);
-                               tapi_dev_event_digit(i, (char)event.data.dtmf.ascii);
-                               break;
-                       case IFX_TAPI_EVENT_PULSE_DIGIT:
-                               if (event.data.pulse.digit == 0xB) {
-                                       ast_log(LOG_ERROR, "ON CHANNEL %d DETECTED PULSE DIGIT: %c\n", i, '0');
-                                       tapi_dev_event_digit(i, '0');
-                               } else {
-                                       ast_log(LOG_ERROR, "ON CHANNEL %d DETECTED PULSE DIGIT: %c\n", i, '0' + (char)event.data.pulse.digit);
-                                       tapi_dev_event_digit(i, '0' + (char)event.data.pulse.digit);
-                               }
-                               break;
-                       case IFX_TAPI_EVENT_COD_DEC_CHG:
-                       case IFX_TAPI_EVENT_TONE_GEN_END:
-                       case IFX_TAPI_EVENT_CID_TX_SEQ_END:
-                               break;
-                       default:
-                               ast_log(LOG_ERROR, "Unable TAPI event %08X\n", event.id);
-                               break;
-               }
-       }
-}
-
-static void *
-tapi_events_monitor(void *data)
-{
-       ast_verbose("TAPI thread started\n");
-
-       struct pollfd fds[3];
-
-       fds[0].fd = dev_ctx.dev_fd;
-       fds[0].events = POLLIN;
-       fds[1].fd = dev_ctx.ch_fd[0];
-       fds[1].events = POLLIN;
-       fds[2].fd = dev_ctx.ch_fd[1];
-       fds[2].events = POLLIN;
-
-       while (monitor) {
-               if (ast_mutex_lock(&monlock)) {
-                       ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-                       break;
-               }
-
-               if (poll(fds, dev_ctx.channels + 1, 2000) <= 0) {
-                       ast_mutex_unlock(&monlock);
-                       continue;
-               }
-
-               if (fds[0].revents & POLLIN) {
-                       tapi_dev_event_handler();
-               }
-
-               ast_mutex_unlock(&monlock);
-
-               if ((fds[1].revents & POLLIN) && (tapi_dev_data_handler(0))) {
-                       ast_verbose("TAPI: data handler failed\n");
-                       break;
-               }
-
-               if ((fds[2].revents & POLLIN) && (tapi_dev_data_handler(1))) {
-                       ast_verbose("TAPI: data handler failed\n");
-                       break;
-               }
-       }
-
-       return NULL;
-}
-
-static int restart_monitor(void)
-{
-       /* If we're supposed to be stopped -- stay stopped */
-       if (monitor_thread == AST_PTHREADT_STOP)
-               return 0;
-       if (ast_mutex_lock(&monlock)) {
-               ast_log(LOG_WARNING, "Unable to lock monitor\n");
-               return -1;
-       }
-       if (monitor_thread == pthread_self()) {
-               ast_mutex_unlock(&monlock);
-               ast_log(LOG_WARNING, "Cannot kill myself\n");
-               return -1;
-       }
-       if (monitor_thread != AST_PTHREADT_NULL) {
-               if (ast_mutex_lock(&iflock)) {
-                       ast_mutex_unlock(&monlock);
-                       ast_log(LOG_WARNING, "Unable to lock the interface list\n");
-                       return -1;
-               }
-               monitor = 0;
-               while (pthread_kill(monitor_thread, SIGURG) == 0)
-                       sched_yield();
-               pthread_join(monitor_thread, NULL);
-               ast_mutex_unlock(&iflock);
-       }
-       monitor = 1;
-       /* Start a new monitor */
-       if (ast_pthread_create_background(&monitor_thread, NULL, tapi_events_monitor, NULL) < 0) {
-               ast_mutex_unlock(&monlock);
-               ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
-               return -1;
-       }
-       ast_mutex_unlock(&monlock);
-       return 0;
-}
-
-static int unload_module(void)
-{
-       int c;
-
-       ast_channel_unregister(&tapi_tech);
-
-       if (!ast_mutex_lock(&iflock)) {
-//             for (c = 0; c < dev_ctx.channels ; c++)
-//                     ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
-               ast_mutex_unlock(&iflock);
-       } else {
-               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-               return -1;
-       }
-
-       if (!ast_mutex_lock(&monlock)) {
-               if (monitor_thread > AST_PTHREADT_NULL) {
-                       monitor = 0;
-                       while (pthread_kill(monitor_thread, SIGURG) == 0)
-                               sched_yield();
-                       pthread_join(monitor_thread, NULL);
-               }
-               monitor_thread = AST_PTHREADT_STOP;
-               ast_mutex_unlock(&monlock);
-       } else {
-               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-               return -1;
-       }
-
-       if (!ast_mutex_lock(&iflock)) {
-               if (ioctl(dev_ctx.dev_fd, IFX_TAPI_DEV_STOP, 0)) {
-                       ast_log(LOG_WARNING, "IFX_TAPI_DEV_STOP ioctl failed\n");
-               }
-
-               close(dev_ctx.dev_fd);
-               for (c = 0; c < dev_ctx.channels ; c++) close(dev_ctx.ch_fd[c]);
-
-               ast_mutex_unlock(&iflock);
-       } else {
-               ast_log(LOG_WARNING, "Unable to lock the monitor\n");
-               return -1;
-       }
-
-       return 0;
-}
-
-static struct tapi_pvt *tapi_init_pvt(struct tapi_pvt *pvt)
-{
-       if (pvt) {
-               pvt->owner = NULL;
-               pvt->port_id = -1;
-               pvt->channel_state = UNKNOWN;
-               pvt->context = strdup("default");
-               pvt->ext[0] = '\0';
-               pvt->dial_timer = 0;
-               pvt->dtmfbuf[0] = '\0';
-               pvt->dtmfbuf_len = 0;
-       } else {
-               ast_log(LOG_ERROR, "%s line %i: cannot clear structure.\n", __FUNCTION__, __LINE__);
-       }
-
-       return pvt;
-}
-
-static int tapi_create_pvts(void)
-{
-       int i;
-
-       iflist = ast_calloc(1, sizeof(struct tapi_pvt)*dev_ctx.channels);
-
-       if (iflist) { 
-               for (i=0 ; i<dev_ctx.channels ; i++) {
-                       tapi_init_pvt(&iflist[i]);
-                       iflist[i].port_id = i;
-               }
-               return 0;
-       } else {
-               ast_log(LOG_ERROR, "%s line %i: cannot allocate memory.\n", __FUNCTION__, __LINE__);
-               return -1;
-       }
-}
-
-static int tapi_setup_rtp(int c)
-{
-       /* Configure RTP payload type tables */
-       IFX_TAPI_PKT_RTP_PT_CFG_t rtpPTConf;
-
-       memset((char*)&rtpPTConf, '\0', sizeof(rtpPTConf));
-
-       rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_MLAW] = AST_FORMAT_ULAW;
-       rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_ALAW] = AST_FORMAT_ALAW;
-//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G723_63] = AST_FORMAT_G723_1;
-//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G723_53] = 4;
-//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G729] = AST_FORMAT_G729A;
-//     rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G722_64] = AST_FORMAT_G722;
-
-       rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_MLAW] = AST_FORMAT_ULAW;
-       rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_ALAW] = AST_FORMAT_ALAW;
-//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G723_63] = AST_FORMAT_G723_1;
-//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G723_53] = AST_FORMAT_G723_1;
-//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G729] = AST_FORMAT_G729A;
-//     rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G722_64] = AST_FORMAT_G722;
-
-       int ret;
-       if ((ret = ioctl(dev_ctx.ch_fd[c], IFX_TAPI_PKT_RTP_PT_CFG_SET, (IFX_int32_t) &rtpPTConf))) {
-               ast_log(LOG_ERROR, "IFX_TAPI_PKT_RTP_PT_CFG_SET failed: ret=%i\n", ret);
-               return -1;
-       }
-
-       return 0;
-}
-
-static int load_module(void)
-{
-       struct ast_config *cfg;
-       struct ast_variable *v;
-       int txgain = 0;
-       int rxgain = 0;
-       int wlec_type = 0;
-       int wlec_nlp = 0;
-       int wlec_nbfe = 0;
-       int wlec_nbne = 0;
-       int wlec_wbne = 0;
-       int jb_type = IFX_TAPI_JB_TYPE_ADAPTIVE;
-       int jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_VOICE;
-       int jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_DEFAULT;
-       int jb_scaling = 0x10;
-       int jb_initialsize = 0x2d0;
-       int jb_minsize = 0x50;
-       int jb_maxsize = 0x5a0;
-       int cid_type = IFX_TAPI_CID_STD_TELCORDIA;
-       int vad_type = IFX_TAPI_ENC_VAD_NOVAD;
-       dev_ctx.channels = TAPI_AUDIO_PORT_NUM_MAX;
-       struct ast_flags config_flags = { 0 };
-       
-       if (!(sched_thread = ast_sched_thread_create())) {
-               ast_log(LOG_ERROR, "Unable to create scheduler thread\n");
-               return AST_MODULE_LOAD_FAILURE;
-       }
-
-       if ((cfg = ast_config_load(config, config_flags)) == CONFIG_STATUS_FILEINVALID) {
-               ast_log(LOG_ERROR, "Config file %s is in an invalid format.  Aborting.\n", config);
-               return AST_MODULE_LOAD_DECLINE;
-       }
-
-       /* We *must* have a config file otherwise stop immediately */
-       if (!cfg) {
-               ast_log(LOG_ERROR, "Unable to load config %s\n", config);
-               return AST_MODULE_LOAD_DECLINE;
-       }
-
-       if (ast_mutex_lock(&iflock)) {
-               ast_log(LOG_ERROR, "Unable to lock interface list.\n");
-               return AST_MODULE_LOAD_FAILURE;
-       }
-
-       for (v = ast_variable_browse(cfg, "interfaces"); v; v = v->next) {
-               if (!strcasecmp(v->name, "channels")) {
-                       dev_ctx.channels = atoi(v->value);
-                       if (!dev_ctx.channels) {
-                               ast_log(LOG_ERROR, "Invalid value for channels in config %s\n", config);
-                               ast_config_destroy(cfg);
-                               return AST_MODULE_LOAD_DECLINE;
-                       }
-               } else if (!strcasecmp(v->name, "firmwarefilename")) {
-                       ast_copy_string(firmware_filename, v->value, sizeof(firmware_filename));
-               } else if (!strcasecmp(v->name, "bbdfilename")) {
-                       ast_copy_string(bbd_filename, v->value, sizeof(bbd_filename));
-               } else if (!strcasecmp(v->name, "basepath")) {
-                       ast_copy_string(base_path, v->value, sizeof(base_path));
-               }
-       }
-
-       for (v = ast_variable_browse(cfg, "general"); v; v = v->next) {
-               if (!strcasecmp(v->name, "rxgain")) {
-                       rxgain = atoi(v->value);
-                       if (!rxgain) {
-                               rxgain = 0;
-                               ast_log(LOG_WARNING, "Invalid rxgain: %s, using default.\n", v->value);
-                       }
-               } else if (!strcasecmp(v->name, "txgain")) {
-                       txgain = atoi(v->value);
-                       if (!txgain) {
-                               txgain = 0;
-                               ast_log(LOG_WARNING, "Invalid txgain: %s, using default.\n", v->value);
-                       }
-               } else if (!strcasecmp(v->name, "echocancel")) {
-                       if (!strcasecmp(v->value, "off")) {
-                               wlec_type = IFX_TAPI_WLEC_TYPE_OFF;
-                       } else if (!strcasecmp(v->value, "nlec")) {
-                               wlec_type = IFX_TAPI_WLEC_TYPE_NE;
-                               if (!strcasecmp(v->name, "echocancelfixedwindowsize")) {
-                                       wlec_nbne = atoi(v->value);
-                               }
-                       } else if (!strcasecmp(v->value, "wlec")) {
-                               wlec_type = IFX_TAPI_WLEC_TYPE_NFE;
-                               if (!strcasecmp(v->name, "echocancelnfemovingwindowsize")) {
-                                       wlec_nbfe = atoi(v->value);
-                               } else if (!strcasecmp(v->name, "echocancelfixedwindowsize")) {
-                                       wlec_nbne = atoi(v->value);
-                               } else if (!strcasecmp(v->name, "echocancelwidefixedwindowsize")) {
-                                       wlec_wbne = atoi(v->value);
-                               }
-                       } else if (!strcasecmp(v->value, "nees")) {
-                               wlec_type = IFX_TAPI_WLEC_TYPE_NE_ES;
-                       } else if (!strcasecmp(v->value, "nfees")) {
-                               wlec_type = IFX_TAPI_WLEC_TYPE_NFE_ES;
-                       } else if (!strcasecmp(v->value, "es")) {
-                               wlec_type = IFX_TAPI_WLEC_TYPE_ES;
-                       } else {
-                               wlec_type = IFX_TAPI_WLEC_TYPE_OFF;
-                               ast_log(LOG_ERROR, "Unknown echo cancellation type '%s'\n", v->value);
-                               ast_config_destroy(cfg);
-                               return AST_MODULE_LOAD_DECLINE;
-                       }
-               } else if (!strcasecmp(v->name, "echocancelnlp")) {
-                       if (!strcasecmp(v->value, "on")) {
-                               wlec_nlp = IFX_TAPI_WLEC_NLP_ON;
-                       } else if (!strcasecmp(v->value, "off")) {
-                               wlec_nlp = IFX_TAPI_WLEC_NLP_OFF;
-                       } else {
-                               ast_log(LOG_ERROR, "Unknown echo cancellation nlp '%s'\n", v->value);
-                               ast_config_destroy(cfg);
-                               return AST_MODULE_LOAD_DECLINE;
-                       }
-               } else if (!strcasecmp(v->name, "jitterbuffertype")) {
-                       if (!strcasecmp(v->value, "fixed")) {
-                               jb_type = IFX_TAPI_JB_TYPE_FIXED;
-                       } else if (!strcasecmp(v->value, "adaptive")) {
-                               jb_type = IFX_TAPI_JB_TYPE_ADAPTIVE;
-                               jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_DEFAULT;
-                               if (!strcasecmp(v->name, "jitterbufferadaptation")) {
-                                       if (!strcasecmp(v->value, "on")) {
-                                               jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_ON;
-                                       } else if (!strcasecmp(v->value, "off")) {
-                                               jb_localadpt = IFX_TAPI_JB_LOCAL_ADAPT_OFF;
-                                       }
-                               } else if (!strcasecmp(v->name, "jitterbufferscalling")) {
-                                       jb_scaling = atoi(v->value);
-                               } else if (!strcasecmp(v->name, "jitterbufferinitialsize")) {
-                                       jb_initialsize = atoi(v->value);
-                               } else if (!strcasecmp(v->name, "jitterbufferminsize")) {
-                                       jb_minsize = atoi(v->value);
-                               } else if (!strcasecmp(v->name, "jitterbuffermaxsize")) {
-                                       jb_maxsize = atoi(v->value);
-                               }
-                       } else {
-                               ast_log(LOG_ERROR, "Unknown jitter buffer type '%s'\n", v->value);
-                               ast_config_destroy(cfg);
-                               return AST_MODULE_LOAD_DECLINE;
-                       }
-               } else if (!strcasecmp(v->name, "jitterbufferpackettype")) {
-                       if (!strcasecmp(v->value, "voice")) {
-                               jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_VOICE;
-                       } else if (!strcasecmp(v->value, "data")) {
-                               jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_DATA;
-                       } else if (!strcasecmp(v->value, "datanorep")) {
-                               jb_pckadpt = IFX_TAPI_JB_PKT_ADAPT_DATA_NO_REP;
-                       } else {
-                               ast_log(LOG_ERROR, "Unknown jitter buffer packet adaptation type '%s'\n", v->value);
-                               ast_config_destroy(cfg);
-                               return AST_MODULE_LOAD_DECLINE;
-                       }
-               } else if (!strcasecmp(v->name, "calleridtype")) {
-                       if (!strcasecmp(v->value, "telecordia")) {
-                               cid_type = IFX_TAPI_CID_STD_TELCORDIA;
-                       } else if (!strcasecmp(v->value, "etsifsk")) {
-                               cid_type = IFX_TAPI_CID_STD_ETSI_FSK;
-                       } else if (!strcasecmp(v->value, "etsidtmf")) {
-                               cid_type = IFX_TAPI_CID_STD_ETSI_DTMF;
-                       } else if (!strcasecmp(v->value, "sin")) {
-                               cid_type = IFX_TAPI_CID_STD_SIN;
-                       } else if (!strcasecmp(v->value, "ntt")) {
-                               cid_type = IFX_TAPI_CID_STD_NTT;
-                       } else if (!strcasecmp(v->value, "kpndtmf")) {
-                               cid_type = IFX_TAPI_CID_STD_KPN_DTMF;
-                       } else if (!strcasecmp(v->value, "kpndtmffsk")) {
-                               cid_type = IFX_TAPI_CID_STD_KPN_DTMF_FSK;
-                       } else {
-                               ast_log(LOG_ERROR, "Unknown caller id type '%s'\n", v->value);
-                               ast_config_destroy(cfg);
-                               return AST_MODULE_LOAD_DECLINE;
-                       }
-               } else if (!strcasecmp(v->name, "voiceactivitydetection")) {
-                       if (!strcasecmp(v->value, "on")) {
-                               vad_type = IFX_TAPI_ENC_VAD_ON;
-                       } else if (!strcasecmp(v->value, "g711")) {
-                               vad_type = IFX_TAPI_ENC_VAD_G711;
-                       } else if (!strcasecmp(v->value, "cng")) {
-                               vad_type = IFX_TAPI_ENC_VAD_CNG_ONLY;
-                       } else if (!strcasecmp(v->value, "sc")) {
-                               vad_type = IFX_TAPI_ENC_VAD_SC_ONLY;
-                       } else {
-                               ast_log(LOG_ERROR, "Unknown voice activity detection value '%s'\n", v->value);
-                               ast_config_destroy(cfg);
-                               return AST_MODULE_LOAD_DECLINE;
-                       }
-               }
-       }
-
-       tapi_create_pvts();
-
-       ast_mutex_unlock(&iflock);
-
-       if (ast_channel_register(&tapi_tech)) {
-               ast_log(LOG_ERROR, "Unable to register channel class 'Phone'\n");
-               ast_config_destroy(cfg);
-               unload_module();
-               return AST_MODULE_LOAD_FAILURE;
-       }
-       ast_config_destroy(cfg);
-       
-       /* tapi */
-#ifdef TODO_TONES
-       IFX_TAPI_TONE_t tone;
-#endif
-       IFX_TAPI_DEV_START_CFG_t dev_start;
-       IFX_TAPI_MAP_DATA_t map_data;
-       IFX_TAPI_ENC_CFG_t enc_cfg;
-       IFX_TAPI_LINE_VOLUME_t line_vol;
-       IFX_TAPI_WLEC_CFG_t wlec_cfg;
-       IFX_TAPI_JB_CFG_t jb_cfg;
-       IFX_TAPI_CID_CFG_t cid_cfg;
-       uint8_t c;
-
-       /* open device */
-       dev_ctx.dev_fd = tapi_dev_open(base_path, 0);
-
-       if (dev_ctx.dev_fd < 0) {
-               ast_log(LOG_ERROR, "tapi device open function failed\n");
-               return AST_MODULE_LOAD_FAILURE;
-       }
-
-       for (c = 0; c < dev_ctx.channels ; c++) {
-               dev_ctx.ch_fd[c] = tapi_dev_open(base_path, c + 1);
-
-               if (dev_ctx.ch_fd[c] < 0) {
-                       ast_log(LOG_ERROR, "tapi channel %d open function failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-       }
-
-       if (tapi_dev_firmware_download(dev_ctx.dev_fd, firmware_filename)) {
-               ast_log(LOG_ERROR, "voice firmware download failed\n");
-               return AST_MODULE_LOAD_FAILURE;
-       }
-
-       if (ioctl(dev_ctx.dev_fd, IFX_TAPI_DEV_STOP, 0)) {
-               ast_log(LOG_ERROR, "IFX_TAPI_DEV_STOP ioctl failed\n");
-               return AST_MODULE_LOAD_FAILURE;
-       }
-
-       memset(&dev_start, 0x0, sizeof(IFX_TAPI_DEV_START_CFG_t));
-       dev_start.nMode = IFX_TAPI_INIT_MODE_VOICE_CODER;
-
-       /* Start TAPI */
-       if (ioctl(dev_ctx.dev_fd, IFX_TAPI_DEV_START, &dev_start)) {
-               ast_log(LOG_ERROR, "IFX_TAPI_DEV_START ioctl failed\n");
-               return AST_MODULE_LOAD_FAILURE;
-       }
-
-       for (c = 0; c < dev_ctx.channels ; c++) {
-               /* tones */
-#ifdef TODO_TONES
-               memset(&tone, 0, sizeof(IFX_TAPI_TONE_t));
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_TONE_TABLE_CFG_SET, &tone)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_TONE_TABLE_CFG_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-#endif
-               /* ringing type */
-               IFX_TAPI_RING_CFG_t ringingType;
-               memset(&ringingType, 0, sizeof(IFX_TAPI_RING_CFG_t));
-               ringingType.nMode = IFX_TAPI_RING_CFG_MODE_INTERNAL_BALANCED;
-               ringingType.nSubmode = IFX_TAPI_RING_CFG_SUBMODE_DC_RNG_TRIP_FAST;
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_CFG_SET, (IFX_int32_t) &ringingType)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_RING_CFG_SET failed\n");
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* ring cadence */
-               IFX_char_t data[15] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-                                                               0x00, 0x00, 0x00, 0x00, 0x00,     
-                                                               0x00, 0x00, 0x00, 0x00, 0x00 };
-
-               IFX_TAPI_RING_CADENCE_t ringCadence;
-               memset(&ringCadence, 0, sizeof(IFX_TAPI_RING_CADENCE_t));
-               memcpy(&ringCadence.data, data, sizeof(data));
-               ringCadence.nr = sizeof(data) * 8;
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_CADENCE_HR_SET, &ringCadence)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_RING_CADENCE_HR_SET failed\n");
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* perform mapping */
-               memset(&map_data, 0x0, sizeof(IFX_TAPI_MAP_DATA_t));
-               map_data.nDstCh = c;
-               map_data.nChType = IFX_TAPI_MAP_TYPE_PHONE;
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_MAP_DATA_ADD, &map_data)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_MAP_DATA_ADD %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* set line feed */
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_STANDBY)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_LINE_FEED_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* Configure encoder */
-               memset(&enc_cfg, 0x0, sizeof(IFX_TAPI_ENC_CFG_t));
-               enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
-               enc_cfg.nEncType = IFX_TAPI_COD_TYPE_MLAW;
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_CFG_SET, &enc_cfg)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_ENC_CFG_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* set volume */
-               memset(&line_vol, 0, sizeof(line_vol));
-               line_vol.nGainRx = rxgain;
-               line_vol.nGainTx = txgain;
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_PHONE_VOLUME_SET, &line_vol)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_PHONE_VOLUME_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* Configure line echo canceller */
-               memset(&wlec_cfg, 0, sizeof(wlec_cfg));
-               wlec_cfg.nType = wlec_type;
-               wlec_cfg.bNlp = wlec_nlp;
-               wlec_cfg.nNBFEwindow = wlec_nbfe;
-               wlec_cfg.nNBNEwindow = wlec_nbne;
-               wlec_cfg.nWBNEwindow = wlec_wbne;
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_WLEC_PHONE_CFG_SET, &wlec_cfg)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_WLEC_PHONE_CFG_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* Configure jitter buffer */
-               memset(&jb_cfg, 0, sizeof(jb_cfg));
-               jb_cfg.nJbType = jb_type;
-               jb_cfg.nPckAdpt = jb_pckadpt;
-               jb_cfg.nLocalAdpt = jb_localadpt;
-               jb_cfg.nScaling = jb_scaling;
-               jb_cfg.nInitialSize = jb_initialsize;
-               jb_cfg.nMinSize = jb_minsize;
-               jb_cfg.nMaxSize = jb_maxsize;
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_JB_CFG_SET, &jb_cfg)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_JB_CFG_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* Configure Caller ID type */
-               memset(&cid_cfg, 0, sizeof(cid_cfg));
-               cid_cfg.nStandard = cid_type;
-
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_CID_CFG_SET, &cid_cfg)) {
-                       ast_log(LOG_ERROR, "IIFX_TAPI_CID_CFG_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* Configure voice activity detection */
-               if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_VAD_CFG_SET, vad_type)) {
-                       ast_log(LOG_ERROR, "IFX_TAPI_ENC_VAD_CFG_SET %d failed\n", c);
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* Setup TAPI <-> Asterisk codec type mapping */
-               if (tapi_setup_rtp(c)) {
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-
-               /* Set initial hook status */
-               iflist[c].channel_state = tapi_get_hookstatus(c);
-               
-               if (iflist[c].channel_state == UNKNOWN) {
-                       return AST_MODULE_LOAD_FAILURE;
-               }
-       }
-
-       restart_monitor();
-       return AST_MODULE_LOAD_SUCCESS;
-}
-
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Lantiq TAPI Telephony API Support");
diff --git a/net/asterisk-1.8.x/src/configs/lantiq.conf.sample b/net/asterisk-1.8.x/src/configs/lantiq.conf.sample
deleted file mode 100644 (file)
index 16ba174..0000000
+++ /dev/null
@@ -1,138 +0,0 @@
-;
-; TAPI Telephony Interface
-;
-; Configuration file
-
-[interfaces]
-;
-; Number of FXS ports (default: 2)
-channels = 2
-;
-; Set tapi firmware file path
-;firmwarefilename = /lib/firmware/danube_firmware.bin
-;
-; Set tapi bbd file path
-;bbdfilename = /lib/firmware/danube_bbd_fxs.bin
-;
-; Set vmmc device path
-;basepath = /dev/vmmc
-;
-[general]
-;
-; Gain setting for the receive and transmit path.
-; The value is given in dB within the range (-24dB to +12dB), in 1 dB steps.
-;
-;rxgain = 1
-;txgain = 1
-;
-;
-;
-; Line echo cancller valid types:
-;
-; off          LEC and echo suppressor turned off.
-; nlec         LEC using fixed window; no echo suppressor.
-; wlec         LEC using fixed and moving window; no echo suppressor.
-; nees         LEC using fixed window and echo suppressor.
-; nfees                LEC using fixed and moving window and echo suppressor.
-; es           Echo suppressor
-;
-;echocancel = off
-;
-; If nlec or wlec is selected than size of the fixed window in narrowband (8 kHz) sampling mode
-; can be defined with:
-; A value of 0 defaults to: 16 ms if type is nlec or 8 ms if type is wlec:
-;
-;echocancelfixedwindowsize = 0
-;
-; If wlec is selected than size of the moving window in narrowband (8 kHz) sampling mode
-; can be defined with:
-; A value of 0 defaults to 8 ms.
-;
-;echocancelnfemovingwindowsize = 0
-;
-; If wlec is selected than size of the moving window in wideband (16 kHz) sampling mode
-; can be defined with:
-; A value of 0 defaults to 8 ms.
-;
-;echocancelwidefixedwindowsize = 0
-;
-; Activate or deactivate line echo cancller NLP (Non Linear Processor) if the LEC is active,
-; valid is on or off:
-;
-;echocancelnlp = off
-;
-;
-;
-; Jitter buffer valid types:
-;
-; fixed                Fixed jitter buffer.
-; adaptive     Adaptive jitter buffer.
-;
-;jitterbuffertype = fixed
-;
-; Jitter buffer packet adaptation valid types:
-;
-; voice                Jitter buffer optimized for voice.
-; data         Jitter buffer optimized for data.
-; datanorep    Jitter buffer optimized for data but without doing packet repetition.
-;
-;jitterbufferpackettype = voice
-;
-;      Following jitter buffer values can only be used with jitter buffer adaptive type:
-; Turns on or off jitter buffer adaptation:
-;
-;jitterbufferadaptation = off
-;
-; Scaling factor multiplied by 16; in adaptive jitter buffer mode, the target average playout delay is
-; equal to the estimated jitter multiplied by the scaling factor. The default value for the scaling factor
-; is about 1.4 (scaling=22), meaning that the target average playout delay is equal to the estimated
-; jitter. If less packets should be dropped because of jitter, the scaling factor has to be increased. An
-; increase in the scaling factor will eventually lead to an increased playout delay.
-; The supported range is 1 to 16 (16 up to 256).
-;
-;jitterbufferscalling = 1
-;
-; Initial size of the jitter buffer in time stamps of 125 us:
-;
-;jitterbufferinitialsize = 125
-;
-; Minimum size of the jitter buffer in time stamps of 125 us
-;
-;jitterbufferminsize = 125
-;
-; Maximum size of the jitter buffer in time stamps of 125 us
-;
-;jitterbuffermaxsize = 125
-;
-;
-;
-; Caller id valid standards:
-;
-; telecordia    Bellcore/Telcordia GR-30-CORE; use Bell202 FSK coding of CID information. (default)
-; etsifsk       ETSI 300-659-1/2/3 V1.3.1; use V.23 FSK coding to transmit CID information.
-; etsidtmf      ETSI 300-659-1/2/3 V1.3.1; use DTMF transmission of CID information.
-; sin           SIN 227 Issue 3.4; use V.23 FSK coding of CID information.
-; ntt           NTT standard: TELEPHONE SERVICE INTERFACES, edition 5; use a modified V.23 FSK coding of
-;               CID information.
-; kpndtmf       KPN; use DTMF transmission of CID information.
-; kpndtmffsk    KPN; use DTMF and FSK transmission of CID information.
-;
-;calleridtype = telecordia
-;
-;
-;
-; Voice activity detection:
-;
-; on           Voice activity detection on; in this case also comfort noise and spectral
-;              information (nicer noise) is switched on.
-; g711         Voice activity detection on with comfort noise generation,
-;              but without spectral information.
-; cng          Voice activity detection on with comfort noise generation, but without silence compression
-; sc           Voice activity detection on with silence compression,
-;              but without comfort noise generation.
-;
-;voiceactivitydetection = on
-;
-;
-;
-;