--- /dev/null
+/*
+ * 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)
+ * Copyright (c) 2015, Antonio Eugenio Burriel
+ * Copyright (C) 2017, Stefan Koch
+ *
+ * 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>
+ * Antonio Eugenio Burriel <aeburriel@gmail.com>
+ * Stefan Koch <stefan.koch10@gmail.com>
+ *
+ * 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>
+ * \author Antonio Eugenio Burriel <aeburriel@gmail.com>
+ * \author Stefan Koch <stefan.koch10@gmail.com>
+ *
+ * \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 <sys/stat.h>
+#include <signal.h>
+#include <stdio.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/indications.h>
+#include <asterisk/stringfields.h>
+#include <asterisk/musiconhold.h>
+#include <asterisk/sched.h>
+#include <asterisk/cli.h>
+#include <asterisk/devicestate.h>
+
+/* Lantiq TAPI includes */
+#include <drv_tapi/drv_tapi_io.h>
+#include <drv_vmmc/vmmc_io.h>
+
+#define TAPI_AUDIO_PORT_NUM_MAX 2
+
+/* Tapi predefined tones 0 to 31 */
+#define TAPI_TONE_LOCALE_NONE 0
+//#define TAPI_TONE_LOCALE_DIAL_CODE 25
+//#define TAPI_TONE_LOCALE_RINGING_CODE 26
+//#define TAPI_TONE_LOCALE_BUSY_CODE 27
+//#define TAPI_TONE_LOCALE_CONGESTION_CODE 27
+
+/* Tapi custom tones 32 to 256 */
+#define TAPI_TONE_LOCALE_DIAL_CODE 32
+#define TAPI_TONE_LOCALE_RINGING_CODE 33
+#define TAPI_TONE_LOCALE_BUSY_CODE 34
+#define TAPI_TONE_LOCALE_CONGESTION_CODE 35
+
+#define LANTIQ_CONTEXT_PREFIX "lantiq"
+#define DEFAULT_INTERDIGIT_TIMEOUT 4000
+#define G723_HIGH_RATE 1
+#define LED_NAME_LENGTH 32
+
+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";
+static int per_channel_context = 0;
+
+/* tone generator types */
+enum tone_generator_t {
+ TONE_INTEGRATED, /* tapi tone generator */
+ TONE_ASTERISK, /* asterisk tone generator where possible */
+ TONE_MEDIA /* media tone where possible */
+};
+
+/* tone generator (default is integraded) */
+static enum tone_generator_t tone_generator = TONE_INTEGRATED;
+
+/* tone zones for dial, ring, busy and congestion */
+struct ast_tone_zone_sound *ts_dial;
+struct ast_tone_zone_sound *ts_ring;
+struct ast_tone_zone_sound *ts_busy;
+struct ast_tone_zone_sound *ts_congestion;
+
+/*
+ * 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 lantiq_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[AST_MAX_CONTEXT]; /* this port's dialplan context */
+ int dial_timer; /* timer handle for autodial timeout */
+ char dtmfbuf[AST_MAX_EXTENSION]; /* buffer holding dialed digits */
+ int dtmfbuf_len; /* lenght of dtmfbuf */
+ int rtp_timestamp; /* timestamp for RTP packets */
+ int ptime; /* Codec base ptime */
+ uint16_t rtp_seqno; /* Sequence nr for RTP packets */
+ uint32_t call_setup_start; /* Start of dialling in ms */
+ uint32_t call_setup_delay; /* time between ^ and 1st ring in ms */
+ uint32_t call_start; /* time we started dialling / answered */
+ uint32_t call_answer; /* time the callee answered our call */
+ uint16_t jb_size; /* Jitter buffer size */
+ uint32_t jb_underflow; /* Jitter buffer injected samples */
+ uint32_t jb_overflow; /* Jitter buffer dropped samples */
+ uint16_t jb_delay; /* Jitter buffer: playout delay */
+ uint16_t jb_invalid; /* Jitter buffer: Nr. of invalid packets */
+} *iflist = NULL;
+
+static struct lantiq_ctx {
+ int dev_fd;
+ int channels;
+ int ch_fd[TAPI_AUDIO_PORT_NUM_MAX];
+ char voip_led[LED_NAME_LENGTH]; /* VOIP LED name */
+ char ch_led[TAPI_AUDIO_PORT_NUM_MAX][LED_NAME_LENGTH]; /* FXS LED names */
+ int interdigit_timeout; /* Timeout in ms between dialed digits */
+} 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_lantiq_call(struct ast_channel *ast, const char *dest, int timeout);
+static int ast_lantiq_hangup(struct ast_channel *ast);
+static int ast_lantiq_answer(struct ast_channel *ast);
+static struct ast_frame *ast_lantiq_read(struct ast_channel *ast);
+static int ast_lantiq_write(struct ast_channel *ast, struct ast_frame *frame);
+static struct ast_frame *ast_lantiq_exception(struct ast_channel *ast);
+static int ast_lantiq_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen);
+static int ast_lantiq_fixup(struct ast_channel *old, struct ast_channel *new);
+static struct ast_channel *ast_lantiq_requester(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause);
+static int ast_lantiq_devicestate(const char *data);
+static int acf_channel_read(struct ast_channel *chan, const char *funcname, char *args, char *buf, size_t buflen);
+static void lantiq_jb_get_stats(int c);
+static struct ast_format lantiq_map_rtptype_to_format(uint8_t rtptype);
+static uint8_t lantiq_map_format_to_rtptype(const struct ast_format *format);
+static int lantiq_conf_enc(int c, const struct ast_format *format);
+static void lantiq_reset_dtmfbuf(struct lantiq_pvt *pvt);
+
+static struct ast_channel_tech lantiq_tech = {
+ .type = "TAPI",
+ .description = "Lantiq TAPI Telephony API Driver",
+ .send_digit_begin = ast_digit_begin,
+ .send_digit_end = ast_digit_end,
+ .call = ast_lantiq_call,
+ .hangup = ast_lantiq_hangup,
+ .answer = ast_lantiq_answer,
+ .read = ast_lantiq_read,
+ .write = ast_lantiq_write,
+ .exception = ast_lantiq_exception,
+ .indicate = ast_lantiq_indicate,
+ .fixup = ast_lantiq_fixup,
+ .requester = ast_lantiq_requester,
+ .devicestate = ast_lantiq_devicestate,
+ .func_channel_read = acf_channel_read
+};
+
+/* Protect the interface list (of lantiq_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);
+
+/* The scheduling context */
+struct ast_sched_context *sched;
+
+/*
+ * 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;
+ uint8_t marker:1, payload_type:7;
+#else
+ uint8_t csrc_count:4, extension:1, padding:1, version:2;
+ uint8_t payload_type:7, marker:1;
+#endif
+ uint16_t seqno;
+ uint32_t timestamp;
+ uint32_t ssrc;
+} rtp_header_t;
+#define RTP_HEADER_LEN 12
+#define RTP_BUFFER_LEN 512
+/* Internal RTP payload types - standard */
+#define RTP_PCMU 0
+#define RTP_G723_63 4
+#define RTP_PCMA 8
+#define RTP_G722 9
+#define RTP_CN 13
+#define RTP_G729 18
+/* Internal RTP payload types - custom */
+#define RTP_G7221 100
+#define RTP_G726 101
+#define RTP_ILBC 102
+#define RTP_SLIN8 103
+#define RTP_SLIN16 104
+#define RTP_SIREN7 105
+#define RTP_G723_53 106
+
+
+/* LED Control. Taken with modifications from SVD by Luca Olivetti <olivluca@gmail.com> */
+#define LED_SLOW_BLINK 1000
+#define LED_FAST_BLINK 100
+static FILE *led_open(const char *led, char* sub)
+{
+ char fname[100];
+
+ if (snprintf(fname, sizeof(fname), "/sys/class/leds/%s/%s", led, sub) >= sizeof(fname))
+ return NULL;
+ return fopen(fname, "r+");
+}
+
+static FILE *led_trigger(const char *led)
+{
+ return led_open(led, "trigger");
+}
+
+static void led_delay(const char *led, int onoff, int msec)
+{
+ FILE *fp = led_open(led, onoff ? "delay_on" : "delay_off");
+ if (fp) {
+ fprintf(fp,"%d\n",msec);
+ fclose(fp);
+ }
+}
+
+static void led_on(const char *led)
+{
+ FILE *fp;
+
+ fp = led_trigger(led);
+ if (fp) {
+ fprintf(fp,"default-on\n");
+ fclose(fp);
+ }
+}
+
+static void led_off(const char *led)
+{
+ FILE *fp;
+
+ fp = led_trigger(led);
+ if (fp) {
+ fprintf(fp,"none\n");
+ fclose(fp);
+ }
+}
+
+static void led_blink(const char *led, int period)
+{
+ FILE *fp;
+
+ fp = led_trigger(led);
+ if (fp) {
+ fprintf(fp, "timer\n");
+ fclose(fp);
+ led_delay(led, 1, period/2);
+ led_delay(led, 0, period/2);
+ }
+}
+
+static uint32_t now(void) {
+ struct timespec ts;
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+
+ uint64_t tmp = ts.tv_sec*1000 + (ts.tv_nsec/1000000);
+ return (uint32_t) tmp;
+}
+
+static uint32_t epoch(void) {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+
+ return tv.tv_sec;
+}
+
+static int lantiq_dev_open(const char *dev_path, const int32_t ch_num)
+{
+ char dev_name[PATH_MAX];
+ memset(dev_name, 0, sizeof(dev_name));
+ snprintf(dev_name, PATH_MAX, "%s%u%u", dev_path, 1, ch_num);
+ return open((const char*)dev_name, O_RDWR, 0644);
+}
+
+static void lantiq_ring(int c, int r, const char *cid, const char *name)
+{
+ uint8_t status;
+
+ if (r) {
+ led_blink(dev_ctx.ch_led[c], LED_FAST_BLINK);
+ if (!cid) {
+ status = (uint8_t) ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_START, 0);
+ } else {
+ IFX_TAPI_CID_MSG_t msg;
+ IFX_TAPI_CID_MSG_ELEMENT_t elements[3];
+ int count = 0;
+ time_t timestamp;
+ struct tm *tm;
+
+ elements[count].string.elementType = IFX_TAPI_CID_ST_CLI;
+ elements[count].string.len = strlen(cid);
+ if (elements[count].string.len > IFX_TAPI_CID_MSG_LEN_MAX) {
+ elements[count].string.len = IFX_TAPI_CID_MSG_LEN_MAX;
+ }
+ strncpy((char *)elements[count].string.element, cid, IFX_TAPI_CID_MSG_LEN_MAX);
+ elements[count].string.element[IFX_TAPI_CID_MSG_LEN_MAX-1] = '\0';
+ count++;
+
+ if (name) {
+ elements[count].string.elementType = IFX_TAPI_CID_ST_NAME;
+ elements[count].string.len = strlen(name);
+ if (elements[count].string.len > IFX_TAPI_CID_MSG_LEN_MAX) {
+ elements[count].string.len = IFX_TAPI_CID_MSG_LEN_MAX;
+ }
+ strncpy((char *)elements[count].string.element, name, IFX_TAPI_CID_MSG_LEN_MAX);
+ elements[count].string.element[IFX_TAPI_CID_MSG_LEN_MAX-1] = '\0';
+ count++;
+ }
+
+ if ((time(×tamp) != -1) && ((tm=localtime(×tamp)) != NULL)) {
+ elements[count].date.elementType = IFX_TAPI_CID_ST_DATE;
+ elements[count].date.day = tm->tm_mday;
+ elements[count].date.month = tm->tm_mon + 1;
+ elements[count].date.hour = tm->tm_hour;
+ elements[count].date.mn = tm->tm_min;
+ count++;
+ }
+
+ msg.txMode = IFX_TAPI_CID_HM_ONHOOK;
+ msg.messageType = IFX_TAPI_CID_MT_CSUP;
+ msg.message = elements;
+ msg.nMsgElements = count;
+
+ status = (uint8_t) ioctl(dev_ctx.ch_fd[c], IFX_TAPI_CID_TX_SEQ_START, (IFX_int32_t) &msg);
+ }
+ } else {
+ status = (uint8_t) ioctl(dev_ctx.ch_fd[c], IFX_TAPI_RING_STOP, 0);
+ led_off(dev_ctx.ch_led[c]);
+ }
+
+ if (status) {
+ ast_log(LOG_ERROR, "%s ioctl failed\n",
+ (r ? "IFX_TAPI_RING_START" : "IFX_TAPI_RING_STOP"));
+ }
+}
+
+/* add a frequency to TAPE tone structure */
+/* returns the TAPI frequency ID */
+static int tapitone_add_freq (IFX_TAPI_TONE_t *tone, IFX_uint32_t freq) {
+ const int n=4; /* TAPI tone structure supports up to 4 frequencies */
+ int error=0;
+ int ret;
+ int i;
+
+ /* pointer array for freq's A, B, C, D */
+ IFX_uint32_t *freqarr[] = { &(tone->simple.freqA), &(tone->simple.freqB), &(tone->simple.freqC), &(tone->simple.freqD) };
+
+ /* pointer array for level's A, B, C, D */
+ IFX_int32_t *lvlarr[] = { &(tone->simple.levelA), &(tone->simple.levelB), &(tone->simple.levelC), &(tone->simple.levelD) };
+
+ /* array for freq IDs */
+ IFX_uint32_t retarr[] = { IFX_TAPI_TONE_FREQA, IFX_TAPI_TONE_FREQB, IFX_TAPI_TONE_FREQC, IFX_TAPI_TONE_FREQD };
+
+ /* determine if freq already set */
+ for (i = 0; i < n; i++) {
+ if(*freqarr[i] == freq) /* freq found */
+ break;
+ else if (i == n-1) /* last iteration */
+ error=1; /* not found */
+ }
+
+ /* write frequency if not already set */
+ if(error) {
+ error=0; /* reset error flag */
+ /* since freq is not set, write it into first free place */
+ for (i = 0; i < n; i++) {
+ if(!*freqarr[i]) { /* free place */
+ *freqarr[i] = freq; /* set freq */
+ *lvlarr[i] = -150; /* set volume level */
+ break;
+ } else if (i == n-1) /* last iteration */
+ error=1; /* no free place becaus maximum count of freq's is set */
+ }
+ }
+
+ /* set freq ID return value */
+ if (!freq || error)
+ ret = IFX_TAPI_TONE_FREQNONE;
+ else
+ ret = retarr[i];
+
+ return ret; /* freq ID */
+}
+
+/* convert asterisk playlist string to tapi tone structure */
+/* based on ast_playtones_start() from indications.c of asterisk 13 */
+static void playlist_to_tapitone (const char *playlst, IFX_uint32_t index, IFX_TAPI_TONE_t *tone)
+{
+ char *s, *data = ast_strdupa(playlst);
+ char *stringp;
+ char *separator;
+ int i;
+
+ /* initialize tapi tone structure */
+ memset(tone, 0, sizeof(IFX_TAPI_TONE_t));
+ tone->simple.format = IFX_TAPI_TONE_TYPE_SIMPLE;
+ tone->simple.index = index;
+
+ stringp = data;
+
+ /* check if the data is separated with '|' or with ',' by default */
+ if (strchr(stringp,'|')) {
+ separator = "|";
+ } else {
+ separator = ",";
+ }
+
+ for ( i = 0; (s = strsep(&stringp, separator)) && !ast_strlen_zero(s) && i < IFX_TAPI_TONE_STEPS_MAX; i++) {
+ struct ast_tone_zone_part tone_data = {
+ .time = 0,
+ };
+
+ s = ast_strip(s);
+ if (s[0]=='!') {
+ s++;
+ }
+
+ if (ast_tone_zone_part_parse(s, &tone_data)) {
+ ast_log(LOG_ERROR, "Failed to parse tone part '%s'\n", s);
+ continue;
+ }
+
+ /* first tone must hava a cadence */
+ if (i==0 && !tone_data.time)
+ tone->simple.cadence[i] = 1000;
+ else
+ tone->simple.cadence[i] = tone_data.time;
+
+ /* check for modulation */
+ if (tone_data.modulate) {
+ tone->simple.modulation[i] = IFX_TAPI_TONE_MODULATION_ON;
+ tone->simple.modulation_factor = IFX_TAPI_TONE_MODULATION_FACTOR_90;
+ }
+
+ /* copy freq's to tapi tone structure */
+ /* a freq will implicitly skipped if it is zero */
+ tone->simple.frequencies[i] |= tapitone_add_freq(tone, tone_data.freq1);
+ tone->simple.frequencies[i] |= tapitone_add_freq(tone, tone_data.freq2);
+ }
+}
+
+static int lantiq_play_tone(int c, int t)
+{
+ /* stop currently playing tone before starting new one */
+ ioctl(dev_ctx.ch_fd[c], IFX_TAPI_TONE_LOCAL_PLAY, TAPI_TONE_LOCALE_NONE);
+
+ /* do not handle stop tone twice */
+ if (t != TAPI_TONE_LOCALE_NONE) {
+ /* start new tone */
+ 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 lantiq_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
+lantiq_dev_binary_buffer_create(const char *path, uint8_t **ppBuf, uint32_t *pBufSz)
+{
+ FILE *fd;
+ struct stat file_stat;
+ int status = -1;
+
+ fd = fopen(path, "rb");
+ if (fd == NULL) {
+ ast_log(LOG_ERROR, "binary file %s open failed\n", path);
+ goto on_exit;
+ }
+
+ if (stat(path, &file_stat)) {
+ ast_log(LOG_ERROR, "file %s statistics get failed\n", path);
+ goto on_exit;
+ }
+
+ *ppBuf = malloc(file_stat.st_size);
+ if (*ppBuf == NULL) {
+ ast_log(LOG_ERROR, "binary file %s memory allocation failed\n", path);
+ goto on_exit;
+ }
+
+ if (fread (*ppBuf, sizeof(uint8_t), file_stat.st_size, fd) != file_stat.st_size) {
+ ast_log(LOG_ERROR, "file %s read failed\n", path);
+ status = -1;
+ goto on_exit;
+ }
+
+ *pBufSz = file_stat.st_size;
+ status = 0;
+
+on_exit:
+ if (fd != NULL)
+ fclose(fd);
+
+ if (*ppBuf != NULL && status)
+ free(*ppBuf);
+
+ return status;
+}
+
+static int32_t lantiq_dev_firmware_download(int32_t fd, const char *path)
+{
+ uint8_t *firmware = NULL;
+ uint32_t size = 0;
+ VMMC_IO_INIT vmmc_io_init;
+
+ ast_log(LOG_DEBUG, "loading firmware: \"%s\".\n", path);
+
+ if (lantiq_dev_binary_buffer_create(path, &firmware, &size))
+ 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;
+ }
+
+ if (firmware != NULL)
+ free(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_lantiq_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen)
+{
+ struct lantiq_pvt *pvt = ast_channel_tech_pvt(chan);
+
+ ast_verb(3, "phone indication \"%s\"\n", control_string(condition));
+
+ switch (condition) {
+ case -1:
+ {
+ lantiq_play_tone(pvt->port_id, TAPI_TONE_LOCALE_NONE);
+ return 0;
+ }
+ case AST_CONTROL_CONGESTION:
+ {
+ if (tone_generator == TONE_INTEGRATED)
+ lantiq_play_tone(pvt->port_id, TAPI_TONE_LOCALE_CONGESTION_CODE);
+ else
+ ast_playtones_start(chan, 0, ts_congestion->data, 1);
+
+ return 0;
+ }
+ case AST_CONTROL_BUSY:
+ {
+ if (tone_generator == TONE_INTEGRATED)
+ lantiq_play_tone(pvt->port_id, TAPI_TONE_LOCALE_BUSY_CODE);
+ else
+ ast_playtones_start(chan, 0, ts_busy->data, 1);
+
+ return 0;
+ }
+ case AST_CONTROL_RINGING:
+ case AST_CONTROL_PROGRESS:
+ {
+ pvt->call_setup_delay = now() - pvt->call_setup_start;
+
+ if (tone_generator == TONE_INTEGRATED)
+ lantiq_play_tone(pvt->port_id, TAPI_TONE_LOCALE_RINGING_CODE);
+ else if (tone_generator == TONE_ASTERISK) /* do nothing if TONE_MEDIA is set */
+ ast_playtones_start(chan, 0, ts_ring->data, 1);
+
+ return 0;
+ }
+ default:
+ {
+ /* -1 lets asterisk generate the tone */
+ return -1;
+ }
+ }
+}
+
+static int ast_lantiq_fixup(struct ast_channel *old, struct ast_channel *new)
+{
+ ast_log(LOG_DEBUG, "entering... no code here...\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_log(LOG_DEBUG, "entering... no code here...\n");
+ return 0;
+}
+
+static int ast_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
+{
+ ast_log(LOG_DEBUG, "entering... no code here...\n");
+ return 0;
+}
+
+static int ast_lantiq_call(struct ast_channel *ast, const char *dest, int timeout)
+{
+ int res = 0;
+ struct lantiq_pvt *pvt;
+
+ /* lock to prevent simultaneous access with do_monitor thread processing */
+ ast_mutex_lock(&iflock);
+
+ pvt = ast_channel_tech_pvt(ast);
+ ast_log(LOG_DEBUG, "state: %s\n", state_string(pvt->channel_state));
+
+ if (pvt->channel_state == ONHOOK) {
+ struct ast_party_id connected_id = ast_channel_connected_effective_id(ast);
+ const char *cid = connected_id.number.valid ? connected_id.number.str : NULL;
+ const char *name = connected_id.name.valid ? connected_id.name.str : NULL;
+
+ ast_log(LOG_DEBUG, "port %i is ringing\n", pvt->port_id);
+ ast_log(LOG_DEBUG, "port %i CID: %s\n", pvt->port_id, cid ? cid : "none");
+ ast_log(LOG_DEBUG, "port %i NAME: %s\n", pvt->port_id, name ? name : "none");
+
+ lantiq_ring(pvt->port_id, 1, cid, name);
+ pvt->channel_state = RINGING;
+
+ ast_setstate(ast, AST_STATE_RINGING);
+ ast_queue_control(ast, AST_CONTROL_RINGING);
+ } else {
+ ast_log(LOG_DEBUG, "port %i is busy\n", pvt->port_id);
+ ast_setstate(ast, AST_STATE_BUSY);
+ ast_queue_control(ast, AST_CONTROL_BUSY);
+ res = -1;
+ }
+
+ ast_mutex_unlock(&iflock);
+
+ return res;
+}
+
+static int ast_lantiq_hangup(struct ast_channel *ast)
+{
+ struct lantiq_pvt *pvt;
+
+ /* lock to prevent simultaneous access with do_monitor thread processing */
+ ast_mutex_lock(&iflock);
+
+ pvt = ast_channel_tech_pvt(ast);
+ ast_log(LOG_DEBUG, "state: %s\n", state_string(pvt->channel_state));
+
+ if (ast_channel_state(ast) == AST_STATE_RINGING) {
+ ast_debug(1, "channel state is RINGING\n");
+ }
+
+ switch (pvt->channel_state) {
+ case RINGING:
+ case ONHOOK:
+ lantiq_ring(pvt->port_id, 0, NULL, NULL);
+ pvt->channel_state = ONHOOK;
+ break;
+ default:
+ ast_log(LOG_DEBUG, "we were hung up, play busy tone\n");
+ pvt->channel_state = CALL_ENDED;
+ lantiq_play_tone(pvt->port_id, TAPI_TONE_LOCALE_BUSY_CODE);
+ }
+
+ lantiq_jb_get_stats(pvt->port_id);
+
+ ast_setstate(ast, AST_STATE_DOWN);
+ ast_module_unref(ast_module_info->self);
+ ast_channel_tech_pvt_set(ast, NULL);
+ pvt->owner = NULL;
+
+ ast_mutex_unlock(&iflock);
+
+ return 0;
+}
+
+static int ast_lantiq_answer(struct ast_channel *ast)
+{
+ struct lantiq_pvt *pvt = ast_channel_tech_pvt(ast);
+
+ ast_log(LOG_DEBUG, "Remote end has answered call.\n");
+
+ if (lantiq_conf_enc(pvt->port_id, ast_channel_writeformat(ast)))
+ return -1;
+
+ pvt->call_answer = epoch();
+
+ return 0;
+}
+
+static struct ast_frame * ast_lantiq_read(struct ast_channel *ast)
+{
+ ast_log(LOG_DEBUG, "entering... no code here...\n");
+ return NULL;
+}
+
+/* create asterisk format from rtp payload type */
+static struct ast_format lantiq_map_rtptype_to_format(uint8_t rtptype)
+{
+ struct ast_format format = {0};
+
+ switch (rtptype) {
+ case RTP_PCMU: ast_format_set(&format, AST_FORMAT_ULAW, 0); break;
+ case RTP_PCMA: ast_format_set(&format, AST_FORMAT_ALAW, 0); break;
+ case RTP_G722: ast_format_set(&format, AST_FORMAT_G722, 0); break;
+ case RTP_G726: ast_format_set(&format, AST_FORMAT_G726, 0); break;
+ case RTP_SLIN8: ast_format_set(&format, AST_FORMAT_SLINEAR, 0); break;
+ case RTP_SLIN16: ast_format_set(&format, AST_FORMAT_SLINEAR16, 0); break;
+ case RTP_ILBC: ast_format_set(&format, AST_FORMAT_ILBC, 0); break;
+ case RTP_SIREN7: ast_format_set(&format, AST_FORMAT_SIREN7, 0); break;
+ case RTP_G723_63: ast_format_set(&format, AST_FORMAT_G723_1, 0); break;
+ case RTP_G723_53: ast_format_set(&format, AST_FORMAT_G723_1, 0); break;
+ case RTP_G729: ast_format_set(&format, AST_FORMAT_G729A, 0); break;
+ default:
+ {
+ ast_log(LOG_ERROR, "unsupported rtptype received is 0x%x, forcing ulaw\n", (unsigned) rtptype);
+ ast_format_set(&format, AST_FORMAT_ULAW, 0);
+ }
+ }
+
+ return format;
+}
+
+/* create rtp payload type from asterisk format */
+static uint8_t lantiq_map_format_to_rtptype(const struct ast_format *format)
+{
+ uint8_t rtptype = 0;
+ enum ast_format_id formatid = format ? format->id : 0;
+
+ switch (formatid) {
+ case AST_FORMAT_ULAW: rtptype = RTP_PCMU; break;
+ case AST_FORMAT_ALAW: rtptype = RTP_PCMA; break;
+ case AST_FORMAT_G722: rtptype = RTP_G722; break;
+ case AST_FORMAT_G726: rtptype = RTP_G726; break;
+ case AST_FORMAT_SLINEAR: rtptype = RTP_SLIN8; break;
+ case AST_FORMAT_SLINEAR16: rtptype = RTP_SLIN16; break;
+ case AST_FORMAT_ILBC: rtptype = RTP_ILBC; break;
+ case AST_FORMAT_SIREN7: rtptype = RTP_SIREN7; break;
+#if defined G723_HIGH_RATE
+ case AST_FORMAT_G723_1: rtptype = RTP_G723_63; break;
+#else
+ case AST_FORMAT_G723_1: rtptype = RTP_G723_53; break;
+#endif
+ case AST_FORMAT_G729A: rtptype = RTP_G729; break;
+ default:
+ {
+ ast_log(LOG_ERROR, "unsupported format %s (0x%x), forcing ulaw\n", ast_getformatname(format), (int) formatid);
+ rtptype = RTP_PCMU;
+ }
+ }
+
+ return rtptype;
+}
+
+static int lantiq_conf_enc(int c, const struct ast_format *format)
+{
+ /* Configure encoder before starting RTP session */
+ IFX_TAPI_ENC_CFG_t enc_cfg;
+ enum ast_format_id formatid = format ? format->id : 0;
+
+ memset(&enc_cfg, 0, sizeof(IFX_TAPI_ENC_CFG_t));
+ switch (formatid) {
+ case AST_FORMAT_ULAW:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_MLAW;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 10;
+ break;
+ case AST_FORMAT_ALAW:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_ALAW;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 10;
+ break;
+ case AST_FORMAT_G722:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_G722_64;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 20;
+ break;
+ case AST_FORMAT_G726:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_G726_32;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 10;
+ break;
+ case AST_FORMAT_SLINEAR:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_LIN16_8;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 10;
+ break;
+ case AST_FORMAT_SLINEAR16:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_LIN16_16;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_10;
+ iflist[c].ptime = 10;
+ break;
+ case AST_FORMAT_ILBC:
+ /* iLBC 15.2kbps is currently unsupported by Asterisk */
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_ILBC_133;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_30;
+ iflist[c].ptime = 30;
+ break;
+ case AST_FORMAT_SIREN7:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_G7221_32;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 20;
+ break;
+ case AST_FORMAT_G723_1:
+#if defined G723_HIGH_RATE
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_G723_63;
+#else
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_G723_53;
+#endif
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_30;
+ iflist[c].ptime = 30;
+ break;
+ case AST_FORMAT_G729A:
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_G729;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 10;
+ break;
+ default:
+ ast_log(LOG_ERROR, "unsupported format %s (0x%x)\n", ast_getformatname(format), (int) formatid);
+ enc_cfg.nEncType = IFX_TAPI_COD_TYPE_MLAW;
+ enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20;
+ iflist[c].ptime = 10;
+ }
+
+ ast_log(LOG_DEBUG, "Configuring encoder to use TAPI codec type %d (%s) on channel %i\n", enc_cfg.nEncType, ast_getformatname(format), c);
+
+ 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);
+ }
+
+ if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_START, 0)) {
+ ast_log(LOG_ERROR, "IFX_TAPI_ENC_START ioctl failed\n");
+ }
+
+ if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_DEC_START, 0)) {
+ ast_log(LOG_ERROR, "IFX_TAPI_DEC_START ioctl failed\n");
+ }
+
+ return 0;
+}
+
+static int ast_lantiq_write(struct ast_channel *ast, struct ast_frame *frame)
+{
+ char buf[RTP_BUFFER_LEN];
+ rtp_header_t *rtp_header = (rtp_header_t *) buf;
+ struct lantiq_pvt *pvt = ast_channel_tech_pvt(ast);
+ int ret;
+ uint8_t rtptype;
+ int subframes, subframes_rtp, length, samples;
+ char *head, *tail;
+
+ if(frame->frametype != AST_FRAME_VOICE) {
+ ast_log(LOG_DEBUG, "unhandled frame type\n");
+ return 0;
+ }
+
+ if (frame->datalen == 0) {
+ ast_log(LOG_DEBUG, "we've been prodded\n");
+ return 0;
+ }
+
+ /* get rtp payload type */
+ rtptype = lantiq_map_format_to_rtptype(&frame->subclass.format);
+
+ rtp_header->version = 2;
+ rtp_header->padding = 0;
+ rtp_header->extension = 0;
+ rtp_header->csrc_count = 0;
+ rtp_header->marker = 0;
+ rtp_header->ssrc = 0;
+ rtp_header->payload_type = rtptype;
+
+ subframes = (iflist[pvt->port_id].ptime + frame->len - 1) / iflist[pvt->port_id].ptime; /* number of subframes in AST frame */
+ if (subframes == 0)
+ subframes = 1;
+
+ subframes_rtp = (RTP_BUFFER_LEN - RTP_HEADER_LEN) * subframes / frame->datalen; /* how many frames fit in a single RTP packet */
+
+ /* By default stick to the maximum multiple of native frame length */
+ length = subframes_rtp * frame->datalen / subframes;
+ samples = length * frame->samples / frame->datalen;
+
+ head = frame->data.ptr;
+ tail = frame->data.ptr + frame->datalen;
+ while (head < tail) {
+ rtp_header->seqno = pvt->rtp_seqno++;
+ rtp_header->timestamp = pvt->rtp_timestamp;
+
+ if ((tail - head) < (RTP_BUFFER_LEN - RTP_HEADER_LEN)) {
+ length = tail - head;
+ samples = length * frame->samples / frame->datalen;
+ }
+
+ if ( frame->datalen <= (sizeof(buf) - RTP_HEADER_LEN) )
+ memcpy(buf + RTP_HEADER_LEN, head, length);
+ else {
+ ast_log(LOG_WARNING, "buffer is too small\n");
+ return -1;
+ }
+
+ head += length;
+ pvt->rtp_timestamp += (rtp_header->payload_type == RTP_G722) ? samples / 2 : samples; /* per RFC3551 */
+
+ ret = write(dev_ctx.ch_fd[pvt->port_id], buf, RTP_HEADER_LEN + length);
+ if (ret < 0) {
+ ast_debug(1, "TAPI: ast_lantiq_write(): error writing.\n");
+ return -1;
+ }
+ if (ret != (RTP_HEADER_LEN + length)) {
+ ast_log(LOG_WARNING, "Short TAPI write of %d bytes, expected %d bytes\n", ret, RTP_HEADER_LEN + length);
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+static int acf_channel_read(struct ast_channel *chan, const char *funcname, char *args, char *buf, size_t buflen)
+{
+ struct lantiq_pvt *pvt;
+ int res = 0;
+
+ if (!chan || ast_channel_tech(chan) != &lantiq_tech) {
+ ast_log(LOG_ERROR, "This function requires a valid Lantiq TAPI channel\n");
+ return -1;
+ }
+
+ ast_mutex_lock(&iflock);
+
+ pvt = (struct lantiq_pvt*) ast_channel_tech_pvt(chan);
+
+ if (!strcasecmp(args, "csd")) {
+ snprintf(buf, buflen, "%lu", (unsigned long int) pvt->call_setup_delay);
+ } else if (!strcasecmp(args, "jitter_stats")){
+ lantiq_jb_get_stats(pvt->port_id);
+ snprintf(buf, buflen, "jbBufSize=%u,jbUnderflow=%u,jbOverflow=%u,jbDelay=%u,jbInvalid=%u",
+ (uint32_t) pvt->jb_size,
+ (uint32_t) pvt->jb_underflow,
+ (uint32_t) pvt->jb_overflow,
+ (uint32_t) pvt->jb_delay,
+ (uint32_t) pvt->jb_invalid);
+ } else if (!strcasecmp(args, "jbBufSize")) {
+ snprintf(buf, buflen, "%u", (uint32_t) pvt->jb_size);
+ } else if (!strcasecmp(args, "jbUnderflow")) {
+ snprintf(buf, buflen, "%u", (uint32_t) pvt->jb_underflow);
+ } else if (!strcasecmp(args, "jbOverflow")) {
+ snprintf(buf, buflen, "%u", (uint32_t) pvt->jb_overflow);
+ } else if (!strcasecmp(args, "jbDelay")) {
+ snprintf(buf, buflen, "%u", (uint32_t) pvt->jb_delay);
+ } else if (!strcasecmp(args, "jbInvalid")) {
+ snprintf(buf, buflen, "%u", (uint32_t) pvt->jb_invalid);
+ } else if (!strcasecmp(args, "start")) {
+ struct tm *tm = gmtime((const time_t*)&pvt->call_start);
+ strftime(buf, buflen, "%F %T", tm);
+ } else if (!strcasecmp(args, "answer")) {
+ struct tm *tm = gmtime((const time_t*)&pvt->call_answer);
+ strftime(buf, buflen, "%F %T", tm);
+ } else {
+ res = -1;
+ }
+
+ ast_mutex_unlock(&iflock);
+
+ return res;
+}
+
+static struct ast_frame * ast_lantiq_exception(struct ast_channel *ast)
+{
+ ast_log(LOG_DEBUG, "entering... no code here...\n");
+ return NULL;
+}
+
+static void lantiq_jb_get_stats(int c) {
+ struct lantiq_pvt *pvt = &iflist[c];
+
+ IFX_TAPI_JB_STATISTICS_t param;
+ memset (¶m, 0, sizeof (param));
+ if (ioctl (dev_ctx.ch_fd[c], IFX_TAPI_JB_STATISTICS_GET, (IFX_int32_t) ¶m) != IFX_SUCCESS) {
+ ast_debug(1, "Error getting jitter buffer stats.\n");
+ } else {
+#if !defined (TAPI_VERSION3) && defined (TAPI_VERSION4)
+ ast_debug(1, "Jitter buffer stats: dev=%u, ch=%u, nType=%u, nBufSize=%u, nIsUnderflow=%u, nDsOverflow=%u, nPODelay=%u, nInvalid=%u\n",
+ (uint32_t) param.dev,
+ (uint32_t) param.ch,
+#else
+ ast_debug(1, "Jitter buffer stats: nType=%u, nBufSize=%u, nIsUnderflow=%u, nDsOverflow=%u, nPODelay=%u, nInvalid=%u\n",
+#endif
+ (uint32_t) param.nType,
+ (uint32_t) param.nBufSize,
+ (uint32_t) param.nIsUnderflow,
+ (uint32_t) param.nDsOverflow,
+ (uint32_t) param.nPODelay,
+ (uint32_t) param.nInvalid);
+
+ pvt->jb_size = param.nBufSize;
+ pvt->jb_underflow = param.nIsUnderflow;
+ pvt->jb_overflow = param.nDsOverflow;
+ pvt->jb_invalid = param.nInvalid;
+ pvt->jb_delay = param.nPODelay;
+ }
+}
+
+
+static int lantiq_standby(int c)
+{
+ ast_debug(1, "Stopping line feed for channel %i\n", 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 lantiq_play_tone(c, TAPI_TONE_LOCALE_NONE);
+}
+
+static int lantiq_end_dialing(int c)
+{
+ struct lantiq_pvt *pvt = &iflist[c];
+
+ ast_log(LOG_DEBUG, "end of dialing\n");
+
+ if (pvt->dial_timer != -1) {
+ AST_SCHED_DEL(sched, pvt->dial_timer);
+ pvt->dial_timer = -1;
+ }
+
+ if(pvt->owner) {
+ ast_hangup(pvt->owner);
+ }
+ lantiq_reset_dtmfbuf(pvt);
+
+ return 0;
+}
+
+static int lantiq_end_call(int c)
+{
+ struct lantiq_pvt *pvt = &iflist[c];
+
+ ast_log(LOG_DEBUG, "end of call\n");
+
+ if(pvt->owner) {
+ lantiq_jb_get_stats(c);
+ ast_queue_hangup(pvt->owner);
+ }
+
+ return 0;
+}
+
+static struct ast_channel *lantiq_channel(int state, int c, char *ext, char *ctx, struct ast_format_cap *cap)
+{
+ struct ast_channel *chan = NULL;
+ struct lantiq_pvt *pvt = &iflist[c];
+ struct ast_format format = {0};
+ struct ast_format_cap *newcap = ast_format_cap_alloc();
+
+ if (!newcap) {
+ ast_log(LOG_DEBUG, "Cannot allocate format capabilities!\n");
+ return NULL;
+ }
+
+ chan = ast_channel_alloc(1, state, NULL, NULL, "", ext, ctx, 0, c, "TAPI/%d", (c + 1));
+ if (!chan) {
+ ast_log(LOG_DEBUG, "Cannot allocate channel!\n");
+ ast_format_cap_destroy(newcap);
+ return NULL;
+ }
+
+ ast_channel_tech_set(chan, &lantiq_tech);
+ ast_channel_tech_pvt_set(chan, pvt);
+ pvt->owner = chan;
+
+ if (cap && ast_format_cap_has_joint(cap, lantiq_tech.capabilities)) { /* compatible format capabilities given */
+ ast_format_cap_joint_copy(lantiq_tech.capabilities, cap, newcap);
+ ast_best_codec(newcap, &format); /* choose format */
+ } else { /* no or unsupported format capabilities given */
+ ast_best_codec(lantiq_tech.capabilities, &format); /* choose format from capabilities */
+ }
+
+ /* set choosed format */
+ ast_format_cap_set(ast_channel_nativeformats(chan), &format);
+ ast_format_copy(ast_channel_readformat(chan), &format);
+ ast_format_copy(ast_channel_writeformat(chan), &format);
+ ast_format_copy(ast_channel_rawreadformat(chan), &format);
+ ast_format_copy(ast_channel_rawwriteformat(chan), &format);
+
+ ast_format_cap_destroy(newcap);
+
+ /* configuring encoder */
+ if (format.id != 0)
+ if (lantiq_conf_enc(c, &format) < 0)
+ return NULL;
+
+ return chan;
+}
+
+static struct ast_channel *ast_lantiq_requester(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause)
+{
+ char buf[BUFSIZ];
+ struct ast_channel *chan = NULL;
+ int port_id = -1;
+
+ ast_mutex_lock(&iflock);
+
+ ast_debug(1, "Asked to create a TAPI channel with formats: %s\n", ast_getformatname_multiple(buf, sizeof(buf), cap));
+
+ /* 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;
+ goto bailout;
+ }
+
+ /* 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", data);
+ *cause = AST_CAUSE_CHANNEL_UNACCEPTABLE;
+ goto bailout;
+ }
+
+ /* 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;
+
+
+ /* Bail out if channel is already in use */
+ struct lantiq_pvt *pvt = &iflist[port_id];
+ if (! pvt->channel_state == ONHOOK) {
+ ast_debug(1, "TAPI channel %i alread in use.\n", port_id+1);
+ } else {
+ chan = lantiq_channel(AST_STATE_DOWN, port_id, NULL, NULL, cap);
+ ast_channel_unlock(chan);
+ }
+
+bailout:
+ ast_mutex_unlock(&iflock);
+ return chan;
+}
+
+static int ast_lantiq_devicestate(const char *data)
+{
+ int port = atoi(data) - 1;
+ if ((port < 1) || (port > dev_ctx.channels)) {
+ return AST_DEVICE_INVALID;
+ }
+
+ switch (iflist[port].channel_state) {
+ case ONHOOK:
+ return AST_DEVICE_NOT_INUSE;
+ case OFFHOOK:
+ case DIALING:
+ case INCALL:
+ case CALL_ENDED:
+ return AST_DEVICE_INUSE;
+ case RINGING:
+ return AST_DEVICE_RINGING;
+ case UNKNOWN:
+ default:
+ return AST_DEVICE_UNKNOWN;
+ }
+}
+
+static int lantiq_dev_data_handler(int c)
+{
+ char buf[BUFSIZ];
+ struct ast_frame frame = {0};
+ struct ast_format format = {0};
+
+ int res = read(dev_ctx.ch_fd[c], buf, sizeof(buf));
+ if (res <= 0) {
+ ast_log(LOG_ERROR, "we got read error %i\n", res);
+ return -1;
+ } else if (res < RTP_HEADER_LEN) {
+ ast_log(LOG_ERROR, "we got data smaller than header size\n");
+ return -1;
+ }
+
+ rtp_header_t *rtp = (rtp_header_t*) buf;
+ struct lantiq_pvt *pvt = (struct lantiq_pvt *) &iflist[c];
+ if ((!pvt->owner) || (ast_channel_state(pvt->owner) != AST_STATE_UP)) {
+ return 0;
+ }
+
+ if (rtp->payload_type == RTP_CN) {
+ /* TODO: Handle Comfort Noise frames */
+ ast_debug(1, "Dropping Comfort Noise frame\n");
+ }
+
+ format = lantiq_map_rtptype_to_format(rtp->payload_type);
+ frame.src = "TAPI";
+ frame.frametype = AST_FRAME_VOICE;
+ ast_format_copy(&frame.subclass.format, &format);
+ frame.datalen = res - RTP_HEADER_LEN;
+ frame.data.ptr = buf + RTP_HEADER_LEN;
+ frame.samples = ast_codec_get_samples(&frame);
+
+ if(!ast_channel_trylock(pvt->owner)) {
+ ast_queue_frame(pvt->owner, &frame);
+ ast_channel_unlock(pvt->owner);
+ }
+
+ return 0;
+}
+
+static int accept_call(int c)
+{
+ struct lantiq_pvt *pvt = &iflist[c];
+
+ ast_log(LOG_DEBUG, "accept call\n");
+
+ if (pvt->owner) {
+ struct ast_channel *chan = pvt->owner;
+
+ switch (ast_channel_state(chan)) {
+ case AST_STATE_RINGING:
+ lantiq_play_tone(c, TAPI_TONE_LOCALE_NONE);
+ ast_queue_control(pvt->owner, AST_CONTROL_ANSWER);
+ pvt->channel_state = INCALL;
+ pvt->call_start = epoch();
+ pvt->call_answer = pvt->call_start;
+ break;
+ default:
+ ast_log(LOG_WARNING, "entered unhandled state %s\n", ast_state2str(ast_channel_state(chan)));
+ }
+ }
+
+ return 0;
+}
+
+static int lantiq_dev_event_hook(int c, int state)
+{
+ ast_mutex_lock(&iflock);
+
+ ast_log(LOG_DEBUG, "on port %i detected event %s hook\n", c, state ? "on" : "off");
+
+ struct lantiq_pvt *pvt = &iflist[c];
+
+ int ret = -1;
+ if (state) { /* going onhook */
+ switch (iflist[c].channel_state) {
+ case DIALING:
+ ret = lantiq_end_dialing(c);
+ break;
+ case INCALL:
+ ret = lantiq_end_call(c);
+ break;
+ }
+
+ iflist[c].channel_state = ONHOOK;
+
+ /* stop DSP data feed */
+ lantiq_standby(c);
+ led_off(dev_ctx.ch_led[c]);
+
+ } else { /* going offhook */
+ 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;
+ }
+
+ switch (iflist[c].channel_state) {
+ case RINGING:
+ ret = accept_call(c);
+ led_blink(dev_ctx.ch_led[c], LED_SLOW_BLINK);
+ break;
+ default:
+ iflist[c].channel_state = OFFHOOK;
+ lantiq_play_tone(c, TAPI_TONE_LOCALE_DIAL_CODE);
+ lantiq_reset_dtmfbuf(pvt);
+ ret = 0;
+ led_on(dev_ctx.ch_led[c]);
+ break;
+ }
+
+ }
+
+out:
+ ast_mutex_unlock(&iflock);
+
+ return ret;
+}
+
+static void lantiq_reset_dtmfbuf(struct lantiq_pvt *pvt)
+{
+ pvt->dtmfbuf[0] = '\0';
+ pvt->dtmfbuf_len = 0;
+}
+
+static void lantiq_dial(struct lantiq_pvt *pvt)
+{
+ struct ast_channel *chan = NULL;
+
+ ast_mutex_lock(&iflock);
+ ast_log(LOG_DEBUG, "user want's to dial %s.\n", pvt->dtmfbuf);
+
+ if (ast_exists_extension(NULL, pvt->context, pvt->dtmfbuf, 1, NULL)) {
+ ast_debug(1, "found extension %s, dialing\n", pvt->dtmfbuf);
+
+ ast_verbose(VERBOSE_PREFIX_3 " extension exists, starting PBX %s\n", pvt->dtmfbuf);
+
+ chan = lantiq_channel(AST_STATE_UP, pvt->port_id, pvt->dtmfbuf, pvt->context, NULL);
+ if (!chan) {
+ ast_log(LOG_ERROR, "couldn't create channel\n");
+ goto bailout;
+ }
+ ast_channel_tech_pvt_set(chan, pvt);
+ pvt->owner = chan;
+
+ ast_setstate(chan, AST_STATE_RING);
+ pvt->channel_state = INCALL;
+
+ pvt->call_setup_start = now();
+ pvt->call_start = epoch();
+
+ if (ast_pbx_start(chan)) {
+ ast_log(LOG_WARNING, " unable to start PBX on %s\n", ast_channel_name(chan));
+ ast_hangup(chan);
+ }
+
+ ast_channel_unlock(chan);
+ } else {
+ ast_log(LOG_DEBUG, "no extension found\n");
+ lantiq_play_tone(pvt->port_id, TAPI_TONE_LOCALE_CONGESTION_CODE);
+ pvt->channel_state = CALL_ENDED;
+ }
+
+ lantiq_reset_dtmfbuf(pvt);
+bailout:
+ ast_mutex_unlock(&iflock);
+}
+
+static int lantiq_event_dial_timeout(const void* data)
+{
+ ast_debug(1, "TAPI: lantiq_event_dial_timeout()\n");
+
+ struct lantiq_pvt *pvt = (struct lantiq_pvt *) data;
+ pvt->dial_timer = -1;
+
+ if (! pvt->channel_state == ONHOOK) {
+ lantiq_dial(pvt);
+ } else {
+ ast_debug(1, "TAPI: lantiq_event_dial_timeout(): dial timeout in state ONHOOK.\n");
+ }
+
+ return 0;
+}
+
+static int lantiq_send_digit(int c, char digit)
+{
+ struct lantiq_pvt *pvt = &iflist[c];
+
+ struct ast_frame f = { .frametype = AST_FRAME_DTMF, .subclass.integer = digit };
+
+ if (pvt->owner) {
+ ast_log(LOG_DEBUG, "Port %i transmitting digit \"%c\"\n", c, digit);
+ return ast_queue_frame(pvt->owner, &f);
+ } else {
+ ast_debug(1, "Warning: lantiq_send_digit() without owner!\n");
+ return -1;
+ }
+}
+
+static void lantiq_dev_event_digit(int c, char digit)
+{
+ ast_mutex_lock(&iflock);
+
+ ast_log(LOG_DEBUG, "on port %i detected digit \"%c\"\n", c, digit);
+
+ struct lantiq_pvt *pvt = &iflist[c];
+
+ switch (pvt->channel_state) {
+ case INCALL:
+ lantiq_send_digit(c, digit);
+ break;
+ case OFFHOOK:
+ pvt->channel_state = DIALING;
+
+ lantiq_play_tone(c, TAPI_TONE_LOCALE_NONE);
+ led_blink(dev_ctx.ch_led[c], LED_SLOW_BLINK);
+
+ /* fall through */
+ case DIALING:
+ if (pvt->dtmfbuf_len < AST_MAX_EXTENSION - 1) {
+ pvt->dtmfbuf[pvt->dtmfbuf_len] = digit;
+ pvt->dtmfbuf[++pvt->dtmfbuf_len] = '\0';
+ } else {
+ /* No more room for another digit */
+ lantiq_end_dialing(c);
+ lantiq_play_tone(pvt->port_id, TAPI_TONE_LOCALE_BUSY_CODE);
+ pvt->channel_state = CALL_ENDED;
+ break;
+ }
+
+ /* setup autodial timer */
+ if (pvt->dial_timer == -1) {
+ ast_log(LOG_DEBUG, "setting new timer\n");
+ pvt->dial_timer = ast_sched_add(sched, dev_ctx.interdigit_timeout, lantiq_event_dial_timeout, (const void*) pvt);
+ } else {
+ ast_log(LOG_DEBUG, "replacing timer\n");
+ AST_SCHED_REPLACE(pvt->dial_timer, sched, dev_ctx.interdigit_timeout, lantiq_event_dial_timeout, (const void*) pvt);
+ }
+ break;
+ default:
+ ast_log(LOG_ERROR, "don't know what to do in unhandled state\n");
+ break;
+ }
+
+ ast_mutex_unlock(&iflock);
+ return;
+}
+
+static void lantiq_dev_event_handler(void)
+{
+ IFX_TAPI_EVENT_t event;
+ unsigned int i;
+
+ for (i = 0; i < dev_ctx.channels ; i++) {
+ ast_mutex_lock(&iflock);
+
+ memset (&event, 0, sizeof(event));
+ event.ch = i;
+ if (ioctl(dev_ctx.dev_fd, IFX_TAPI_EVENT_GET, &event)) {
+ ast_mutex_unlock(&iflock);
+ continue;
+ }
+ if (event.id == IFX_TAPI_EVENT_NONE) {
+ ast_mutex_unlock(&iflock);
+ continue;
+ }
+
+ ast_mutex_unlock(&iflock);
+
+ switch(event.id) {
+ case IFX_TAPI_EVENT_FXS_ONHOOK:
+ lantiq_dev_event_hook(i, 1);
+ break;
+ case IFX_TAPI_EVENT_FXS_OFFHOOK:
+ lantiq_dev_event_hook(i, 0);
+ break;
+ case IFX_TAPI_EVENT_DTMF_DIGIT:
+ lantiq_dev_event_digit(i, (char)event.data.dtmf.ascii);
+ break;
+ case IFX_TAPI_EVENT_PULSE_DIGIT:
+ if (event.data.pulse.digit == 0xB) {
+ lantiq_dev_event_digit(i, '0');
+ } else {
+ lantiq_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, "Unknown TAPI event %08X. Restarting Asterisk...\n", event.id);
+ sleep(1);
+ ast_cli_command(-1, "core restart now");
+ break;
+ }
+ }
+}
+
+static void * lantiq_events_monitor(void *data)
+{
+ ast_verbose("TAPI thread started\n");
+
+ struct pollfd fds[TAPI_AUDIO_PORT_NUM_MAX + 1];
+ int c;
+
+ fds[0].fd = dev_ctx.dev_fd;
+ fds[0].events = POLLIN;
+ for (c = 0; c < dev_ctx.channels; c++) {
+ fds[c + 1].fd = dev_ctx.ch_fd[c];
+ fds[c + 1].events = POLLIN;
+ }
+
+ pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
+ for (;;) {
+ if (poll(fds, dev_ctx.channels + 1, 2000) <= 0) {
+ continue;
+ }
+
+ ast_mutex_lock(&monlock);
+ if (fds[0].revents & POLLIN) {
+ lantiq_dev_event_handler();
+ }
+
+ for (c = 0; c < dev_ctx.channels; c++) {
+ if ((fds[c + 1].revents & POLLIN) && (lantiq_dev_data_handler(c))) {
+ ast_log(LOG_ERROR, "data handler %d failed\n", c);
+ break;
+ }
+ }
+ ast_mutex_unlock(&monlock);
+ }
+
+ return NULL;
+}
+
+static int restart_monitor(void)
+{
+ /* If we're supposed to be stopped -- stay stopped */
+ if (monitor_thread == AST_PTHREADT_STOP)
+ return 0;
+
+ ast_mutex_lock(&monlock);
+
+ 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) {
+ /* Wake up the thread */
+ pthread_kill(monitor_thread, SIGURG);
+ } else {
+ /* Start a new monitor */
+ if (ast_pthread_create_background(&monitor_thread, NULL, lantiq_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 void lantiq_cleanup(void)
+{
+ int c;
+
+ if (dev_ctx.dev_fd < 0) {
+ return;
+ }
+
+ for (c = 0; c < dev_ctx.channels ; c++) {
+ if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_STANDBY)) {
+ ast_log(LOG_WARNING, "IFX_TAPI_LINE_FEED_SET ioctl failed\n");
+ }
+
+ if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_ENC_STOP, 0)) {
+ ast_log(LOG_WARNING, "IFX_TAPI_ENC_STOP ioctl failed\n");
+ }
+
+ if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_DEC_STOP, 0)) {
+ ast_log(LOG_WARNING, "IFX_TAPI_DEC_STOP ioctl failed\n");
+ }
+ led_off(dev_ctx.ch_led[c]);
+ }
+
+ 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);
+ dev_ctx.dev_fd = -1;
+ led_off(dev_ctx.voip_led);
+}
+
+static int unload_module(void)
+{
+ int c;
+
+ ast_channel_unregister(&lantiq_tech);
+
+ if (ast_mutex_lock(&iflock)) {
+ ast_log(LOG_WARNING, "Unable to lock the interface list\n");
+ return -1;
+ }
+ for (c = 0; c < dev_ctx.channels ; c++) {
+ if (iflist[c].owner)
+ ast_softhangup(iflist[c].owner, AST_SOFTHANGUP_APPUNLOAD);
+ }
+ ast_mutex_unlock(&iflock);
+
+ if (ast_mutex_lock(&monlock)) {
+ ast_log(LOG_WARNING, "Unable to lock the monitor\n");
+ return -1;
+ }
+ if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP) && (monitor_thread != AST_PTHREADT_NULL)) {
+ pthread_t th = monitor_thread;
+ monitor_thread = AST_PTHREADT_STOP;
+ pthread_cancel(th);
+ pthread_kill(th, SIGURG);
+ ast_mutex_unlock(&monlock);
+ pthread_join(th, NULL);
+ } else {
+ monitor_thread = AST_PTHREADT_STOP;
+ ast_mutex_unlock(&monlock);
+ }
+
+ ast_sched_context_destroy(sched);
+ ast_mutex_destroy(&iflock);
+ ast_mutex_destroy(&monlock);
+
+ lantiq_cleanup();
+ ast_free(iflist);
+
+ return 0;
+}
+
+static struct lantiq_pvt *lantiq_init_pvt(struct lantiq_pvt *pvt)
+{
+ if (pvt) {
+ pvt->owner = NULL;
+ pvt->port_id = -1;
+ pvt->channel_state = UNKNOWN;
+ pvt->context[0] = '\0';
+ pvt->dial_timer = -1;
+ pvt->dtmfbuf[0] = '\0';
+ pvt->dtmfbuf_len = 0;
+ pvt->call_setup_start = 0;
+ pvt->call_setup_delay = 0;
+ pvt->call_answer = 0;
+ pvt->jb_size = 0;
+ pvt->jb_underflow = 0;
+ pvt->jb_overflow = 0;
+ pvt->jb_delay = 0;
+ pvt->jb_invalid = 0;
+ } else {
+ ast_log(LOG_ERROR, "unable to clear pvt structure\n");
+ }
+
+ return pvt;
+}
+
+static int lantiq_create_pvts(void)
+{
+ int i;
+
+ iflist = ast_calloc(1, sizeof(struct lantiq_pvt) * dev_ctx.channels);
+
+ if (!iflist) {
+ ast_log(LOG_ERROR, "unable to allocate memory\n");
+ return -1;
+ }
+
+ for (i = 0; i < dev_ctx.channels; i++) {
+ lantiq_init_pvt(&iflist[i]);
+ iflist[i].port_id = i;
+ if (per_channel_context) {
+ snprintf(iflist[i].context, AST_MAX_CONTEXT, "%s%i", LANTIQ_CONTEXT_PREFIX, i + 1);
+ ast_debug(1, "Context for channel %i: %s\n", i, iflist[i].context);
+ } else {
+ snprintf(iflist[i].context, AST_MAX_CONTEXT, "default");
+ }
+ }
+ return 0;
+}
+
+static int lantiq_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_G723_63] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G723_63] = RTP_G723_63;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G723_53] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G723_53] = RTP_G723_53;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G729] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G729] = RTP_G729;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_MLAW] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_MLAW] = RTP_PCMU;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_ALAW] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_ALAW] = RTP_PCMA;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G726_32] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G726_32] = RTP_G726;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_ILBC_152] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_ILBC_152] = RTP_ILBC;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_LIN16_8] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_LIN16_8] = RTP_SLIN8;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_LIN16_16] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_LIN16_16] = RTP_SLIN16;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G722_64] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G722_64] = RTP_G722;
+ rtpPTConf.nPTup[IFX_TAPI_COD_TYPE_G7221_32] = rtpPTConf.nPTdown[IFX_TAPI_COD_TYPE_G7221_32] = RTP_G7221;
+
+ 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.dev_fd = -1;
+ dev_ctx.channels = TAPI_AUDIO_PORT_NUM_MAX;
+ dev_ctx.interdigit_timeout = DEFAULT_INTERDIGIT_TIMEOUT;
+ struct ast_tone_zone *tz;
+ struct ast_flags config_flags = { 0 };
+ int c;
+ struct ast_format format;
+
+ if(!(lantiq_tech.capabilities = ast_format_cap_alloc())) {
+ ast_log(LOG_ERROR, "Unable to allocate format capabilities.\n");
+ return AST_MODULE_LOAD_DECLINE;
+ }
+
+ /* channel format capabilities */
+ ast_format_cap_add(lantiq_tech.capabilities, ast_format_set(&format, AST_FORMAT_ULAW, 0));
+ ast_format_cap_add(lantiq_tech.capabilities, ast_format_set(&format, AST_FORMAT_ALAW, 0));
+ ast_format_cap_add(lantiq_tech.capabilities, ast_format_set(&format, AST_FORMAT_G722, 0));
+ ast_format_cap_add(lantiq_tech.capabilities, ast_format_set(&format, AST_FORMAT_G726, 0));
+ ast_format_cap_add(lantiq_tech.capabilities, ast_format_set(&format, AST_FORMAT_SLINEAR, 0));
+
+ /* Turn off the LEDs, just in case */
+ led_off(dev_ctx.voip_led);
+ for(c = 0; c < TAPI_AUDIO_PORT_NUM_MAX; c++)
+ led_off(dev_ctx.ch_led[c]);
+
+ 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");
+ goto cfg_error;
+ }
+
+ 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);
+ goto cfg_error_il;
+ }
+ } 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));
+ } else if (!strcasecmp(v->name, "per_channel_context")) {
+ if (!strcasecmp(v->value, "on")) {
+ per_channel_context = 1;
+ } else if (!strcasecmp(v->value, "off")) {
+ per_channel_context = 0;
+ } else {
+ ast_log(LOG_ERROR, "Unknown per_channel_context value '%s'. Try 'on' or 'off'.\n", v->value);
+ goto cfg_error_il;
+ }
+ }
+ }
+
+ 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);
+ goto cfg_error_il;
+ }
+ } 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);
+ goto cfg_error_il;
+ }
+ } 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);
+ goto cfg_error_il;
+ }
+ } 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);
+ goto cfg_error_il;
+ }
+ } else if (!strcasecmp(v->name, "calleridtype")) {
+ ast_log(LOG_DEBUG, "Setting CID type to %s.\n", v->value);
+ 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);
+ goto cfg_error_il;
+ }
+ } 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);
+ goto cfg_error_il;
+ }
+ } else if (!strcasecmp(v->name, "interdigit")) {
+ dev_ctx.interdigit_timeout = atoi(v->value);
+ ast_log(LOG_DEBUG, "Setting interdigit timeout to %s.\n", v->value);
+ if (!dev_ctx.interdigit_timeout) {
+ dev_ctx.interdigit_timeout = DEFAULT_INTERDIGIT_TIMEOUT;
+ ast_log(LOG_WARNING, "Invalid interdigit timeout: %s, using default.\n", v->value);
+ }
+ } else if (!strcasecmp(v->name, "tone_generator")) {
+ if (!strcasecmp(v->value, "integrated")) {
+ tone_generator = TONE_INTEGRATED;
+ } else if (!strcasecmp(v->value, "asterisk")) {
+ tone_generator = TONE_ASTERISK;
+ } else if (!strcasecmp(v->value, "media")) {
+ tone_generator = TONE_MEDIA;
+ } else {
+ ast_log(LOG_ERROR, "Unknown tone_generator value '%s'. Try 'integrated', 'asterisk' or 'media'.\n", v->value);
+ goto cfg_error_il;
+ }
+ }
+ }
+
+ lantiq_create_pvts();
+
+ ast_mutex_unlock(&iflock);
+ ast_config_destroy(cfg);
+
+ if (!(sched = ast_sched_context_create())) {
+ ast_log(LOG_ERROR, "Unable to create scheduler context\n");
+ goto load_error;
+ }
+
+ if (ast_sched_start_thread(sched)) {
+ ast_log(LOG_ERROR, "Unable to create scheduler context thread\n");
+ goto load_error_st;
+ }
+
+ if (ast_channel_register(&lantiq_tech)) {
+ ast_log(LOG_ERROR, "Unable to register channel class 'Phone'\n");
+ goto load_error_st;
+ }
+
+ /* tapi */
+ IFX_TAPI_TONE_t tone;
+ IFX_TAPI_DEV_START_CFG_t dev_start;
+ IFX_TAPI_MAP_DATA_t map_data;
+ IFX_TAPI_LINE_TYPE_CFG_t line_type;
+ 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;
+
+ /* open device */
+ dev_ctx.dev_fd = lantiq_dev_open(base_path, 0);
+
+ if (dev_ctx.dev_fd < 0) {
+ ast_log(LOG_ERROR, "lantiq TAPI device open function failed\n");
+ goto load_error_st;
+ }
+
+ snprintf(dev_ctx.voip_led, LED_NAME_LENGTH, "voice");
+ for (c = 0; c < dev_ctx.channels ; c++) {
+ dev_ctx.ch_fd[c] = lantiq_dev_open(base_path, c + 1);
+
+ if (dev_ctx.ch_fd[c] < 0) {
+ ast_log(LOG_ERROR, "lantiq TAPI channel %d open function failed\n", c);
+ goto load_error_st;
+ }
+ snprintf(dev_ctx.ch_led[c], LED_NAME_LENGTH, "fxs%d", c + 1);
+ }
+
+ if (lantiq_dev_firmware_download(dev_ctx.dev_fd, firmware_filename)) {
+ ast_log(LOG_ERROR, "voice firmware download failed\n");
+ goto load_error_st;
+ }
+
+ if (ioctl(dev_ctx.dev_fd, IFX_TAPI_DEV_STOP, 0)) {
+ ast_log(LOG_ERROR, "IFX_TAPI_DEV_STOP ioctl failed\n");
+ goto load_error_st;
+ }
+
+ 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");
+ goto load_error_st;
+ }
+
+ tz = ast_get_indication_zone(NULL);
+
+ if (!tz) {
+ ast_log(LOG_ERROR, "Unable to alloc tone zone\n");
+ goto load_error_st;
+ }
+
+ ts_dial = ast_get_indication_tone(tz, "dial");
+ ts_ring = ast_get_indication_tone(tz, "ring");
+ ts_busy = ast_get_indication_tone(tz, "busy");
+ ts_congestion = ast_get_indication_tone(tz, "congestion");
+
+ if (!ts_dial || !ts_dial->data || !ts_ring || !ts_ring->data || !ts_busy || !ts_busy->data || !ts_congestion || !ts_congestion->data) {
+ ast_log(LOG_ERROR, "Unable to get indication tones\n");
+ goto load_error_st;
+ }
+
+ for (c = 0; c < dev_ctx.channels ; c++) {
+ /* We're a FXS and want to switch between narrow & wide band automatically */
+ memset(&line_type, 0, sizeof(IFX_TAPI_LINE_TYPE_CFG_t));
+ line_type.lineType = IFX_TAPI_LINE_TYPE_FXS_AUTO;
+ if (ioctl(dev_ctx.ch_fd[c], IFX_TAPI_LINE_TYPE_SET, &line_type)) {
+ ast_log(LOG_ERROR, "IFX_TAPI_LINE_TYPE_SET %d failed\n", c);
+ goto load_error_st;
+ }
+
+ /* tones */
+ memset(&tone, 0, sizeof(IFX_TAPI_TONE_t));
+ tone.simple.format = IFX_TAPI_TONE_TYPE_SIMPLE;
+ playlist_to_tapitone(ts_dial->data, TAPI_TONE_LOCALE_DIAL_CODE, &tone);
+ 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);
+ goto load_error_st;
+ }
+
+ memset(&tone, 0, sizeof(IFX_TAPI_TONE_t));
+ tone.simple.format = IFX_TAPI_TONE_TYPE_SIMPLE;
+ playlist_to_tapitone(ts_ring->data, TAPI_TONE_LOCALE_RINGING_CODE, &tone);
+ 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);
+ goto load_error_st;
+ }
+
+ memset(&tone, 0, sizeof(IFX_TAPI_TONE_t));
+ tone.simple.format = IFX_TAPI_TONE_TYPE_SIMPLE;
+ playlist_to_tapitone(ts_busy->data, TAPI_TONE_LOCALE_BUSY_CODE, &tone);
+ 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);
+ goto load_error_st;
+ }
+
+ memset(&tone, 0, sizeof(IFX_TAPI_TONE_t));
+ tone.simple.format = IFX_TAPI_TONE_TYPE_SIMPLE;
+ playlist_to_tapitone(ts_congestion->data, TAPI_TONE_LOCALE_CONGESTION_CODE, &tone);
+ 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);
+ goto load_error_st;
+ }
+
+ /* 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");
+ goto load_error_st;
+ }
+
+ /* 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");
+ goto load_error_st;
+ }
+
+ /* 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);
+ goto load_error_st;
+ }
+
+ /* 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);
+ goto load_error_st;
+ }
+
+ /* 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);
+ goto load_error_st;
+ }
+
+ /* 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);
+ goto load_error_st;
+ }
+
+ /* 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);
+ goto load_error_st;
+ }
+
+ /* 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);
+ goto load_error_st;
+ }
+
+ /* 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);
+ goto load_error_st;
+ }
+
+ /* Setup TAPI <-> internal RTP codec type mapping */
+ if (lantiq_setup_rtp(c)) {
+ goto load_error_st;
+ }
+
+ /* Set initial hook status */
+ iflist[c].channel_state = lantiq_get_hookstatus(c);
+
+ if (iflist[c].channel_state == UNKNOWN) {
+ goto load_error_st;
+ }
+ }
+
+ /* make sure our device will be closed properly */
+ ast_register_atexit(lantiq_cleanup);
+
+ restart_monitor();
+ led_on(dev_ctx.voip_led);
+ return AST_MODULE_LOAD_SUCCESS;
+
+cfg_error_il:
+ ast_mutex_unlock(&iflock);
+cfg_error:
+ ast_config_destroy(cfg);
+ return AST_MODULE_LOAD_DECLINE;
+
+load_error_st:
+ ast_sched_context_destroy(sched);
+load_error:
+ unload_module();
+ ast_free(iflist);
+ return AST_MODULE_LOAD_FAILURE;
+}
+
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Lantiq TAPI Telephony API Support",
+ .load = load_module,
+ .unload = unload_module,
+ .load_pri = AST_MODPRI_CHANNEL_DRIVER
+);
projects / feed / telephony.git / commitdiff