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M7350/kernel/arch/arm/mach-msm/qdsp6v2/audio_dev_ctl.c

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M7350v1_en_gpl
2024-09-09 08:52:07 +00:00
/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/msm_audio.h>
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
#include <asm/uaccess.h>
#include <asm/atomic.h>
#include <mach/qdsp6v2/audio_dev_ctl.h>
#include <mach/debug_mm.h>
#include <mach/qdsp6v2/q6voice.h>
#include <sound/apr_audio.h>
#include <sound/q6adm.h>
#ifndef MAX
#define MAX(x, y) (((x) > (y)) ? (x) : (y))
#endif
static DEFINE_MUTEX(session_lock);
static struct workqueue_struct *msm_reset_device_work_queue;
static void reset_device_work(struct work_struct *work);
static DECLARE_WORK(msm_reset_device_work, reset_device_work);
struct audio_dev_ctrl_state {
struct msm_snddev_info *devs[AUDIO_DEV_CTL_MAX_DEV];
u32 num_dev;
atomic_t opened;
struct msm_snddev_info *voice_rx_dev;
struct msm_snddev_info *voice_tx_dev;
wait_queue_head_t wait;
};
static struct audio_dev_ctrl_state audio_dev_ctrl;
struct event_listner event;
struct session_freq {
int freq;
int evt;
};
struct audio_routing_info {
unsigned short mixer_mask[MAX_SESSIONS];
unsigned short audrec_mixer_mask[MAX_SESSIONS];
struct session_freq dec_freq[MAX_SESSIONS];
struct session_freq enc_freq[MAX_SESSIONS];
unsigned int copp_list[MAX_SESSIONS][AFE_MAX_PORTS];
int voice_tx_dev_id;
int voice_rx_dev_id;
int voice_tx_sample_rate;
int voice_rx_sample_rate;
signed int voice_tx_vol;
signed int voice_rx_vol;
int tx_mute;
int rx_mute;
int voice_state;
struct mutex copp_list_mutex;
struct mutex adm_mutex;
};
static struct audio_routing_info routing_info;
struct audio_copp_topology {
struct mutex lock;
int session_cnt;
int session_id[MAX_SESSIONS];
int topolog_id[MAX_SESSIONS];
};
static struct audio_copp_topology adm_tx_topology_tbl;
int msm_reset_all_device(void)
{
int rc = 0;
int dev_id = 0;
struct msm_snddev_info *dev_info = NULL;
for (dev_id = 0; dev_id < audio_dev_ctrl.num_dev; dev_id++) {
dev_info = audio_dev_ctrl_find_dev(dev_id);
if (IS_ERR(dev_info)) {
pr_err("%s:pass invalid dev_id\n", __func__);
rc = PTR_ERR(dev_info);
return rc;
}
if (!dev_info->opened)
continue;
pr_debug("%s:Resetting device %d active on COPP %d"
"with %lld as routing\n", __func__,
dev_id, dev_info->copp_id, dev_info->sessions);
broadcast_event(AUDDEV_EVT_REL_PENDING,
dev_id,
SESSION_IGNORE);
rc = dev_info->dev_ops.close(dev_info);
if (rc < 0) {
pr_err("%s:Snd device failed close!\n", __func__);
return rc;
} else {
dev_info->opened = 0;
broadcast_event(AUDDEV_EVT_DEV_RLS,
dev_id,
SESSION_IGNORE);
if (dev_info->copp_id == VOICE_PLAYBACK_TX)
voice_start_playback(0);
}
dev_info->sessions = 0;
}
msm_clear_all_session();
return 0;
}
EXPORT_SYMBOL(msm_reset_all_device);
static void reset_device_work(struct work_struct *work)
{
msm_reset_all_device();
}
int reset_device(void)
{
queue_work(msm_reset_device_work_queue, &msm_reset_device_work);
return 0;
}
EXPORT_SYMBOL(reset_device);
int msm_set_copp_id(int session_id, int copp_id)
{
int rc = 0;
int index;
if (session_id < 1 || session_id > 8)
return -EINVAL;
if (afe_validate_port(copp_id) < 0)
return -EINVAL;
index = afe_get_port_index(copp_id);
if (index < 0 || index > AFE_MAX_PORTS)
return -EINVAL;
pr_debug("%s: session[%d] copp_id[%d] index[%d]\n", __func__,
session_id, copp_id, index);
mutex_lock(&routing_info.copp_list_mutex);
if (routing_info.copp_list[session_id][index] == COPP_IGNORE)
routing_info.copp_list[session_id][index] = copp_id;
mutex_unlock(&routing_info.copp_list_mutex);
return rc;
}
EXPORT_SYMBOL(msm_set_copp_id);
int msm_clear_copp_id(int session_id, int copp_id)
{
int rc = 0;
int index = afe_get_port_index(copp_id);
if (session_id < 1 || session_id > 8)
return -EINVAL;
pr_debug("%s: session[%d] copp_id[%d] index[%d]\n", __func__,
session_id, copp_id, index);
mutex_lock(&routing_info.copp_list_mutex);
if (routing_info.copp_list[session_id][index] == copp_id)
routing_info.copp_list[session_id][index] = COPP_IGNORE;
#ifdef CONFIG_MSM8X60_RTAC
rtac_remove_adm_device(copp_id, session_id);
#endif
mutex_unlock(&routing_info.copp_list_mutex);
return rc;
}
EXPORT_SYMBOL(msm_clear_copp_id);
int msm_clear_session_id(int session_id)
{
int rc = 0;
int i = 0;
if (session_id < 1 || session_id > 8)
return -EINVAL;
pr_debug("%s: session[%d]\n", __func__, session_id);
mutex_lock(&routing_info.adm_mutex);
mutex_lock(&routing_info.copp_list_mutex);
for (i = 0; i < AFE_MAX_PORTS; i++) {
if (routing_info.copp_list[session_id][i] != COPP_IGNORE) {
rc = adm_close(routing_info.copp_list[session_id][i]);
if (rc < 0) {
pr_err("%s: adm close fail port[%d] rc[%d]\n",
__func__,
routing_info.copp_list[session_id][i],
rc);
continue;
}
#ifdef CONFIG_MSM8X60_RTAC
rtac_remove_adm_device(
routing_info.copp_list[session_id][i], session_id);
#endif
routing_info.copp_list[session_id][i] = COPP_IGNORE;
rc = 0;
}
}
mutex_unlock(&routing_info.copp_list_mutex);
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
EXPORT_SYMBOL(msm_clear_session_id);
int msm_clear_all_session()
{
int rc = 0;
int i = 0, j = 0;
pr_info("%s:\n", __func__);
mutex_lock(&routing_info.adm_mutex);
mutex_lock(&routing_info.copp_list_mutex);
for (j = 1; j < MAX_SESSIONS; j++) {
for (i = 0; i < AFE_MAX_PORTS; i++) {
if (routing_info.copp_list[j][i] != COPP_IGNORE) {
rc = adm_close(
routing_info.copp_list[j][i]);
if (rc < 0) {
pr_err("%s: adm close fail copp[%d]"
"session[%d] rc[%d]\n",
__func__,
routing_info.copp_list[j][i],
j, rc);
continue;
}
routing_info.copp_list[j][i] = COPP_IGNORE;
rc = 0;
}
}
}
mutex_unlock(&routing_info.copp_list_mutex);
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
EXPORT_SYMBOL(msm_clear_all_session);
int msm_get_voice_state(void)
{
pr_debug("voice state %d\n", routing_info.voice_state);
return routing_info.voice_state;
}
EXPORT_SYMBOL(msm_get_voice_state);
int msm_set_voice_mute(int dir, int mute, u32 session_id)
{
pr_debug("dir %x mute %x\n", dir, mute);
if (dir == DIR_TX) {
routing_info.tx_mute = mute;
broadcast_event(AUDDEV_EVT_DEVICE_VOL_MUTE_CHG,
routing_info.voice_tx_dev_id, session_id);
} else
return -EPERM;
return 0;
}
EXPORT_SYMBOL(msm_set_voice_mute);
int msm_set_voice_vol(int dir, s32 volume, u32 session_id)
{
if (dir == DIR_TX) {
routing_info.voice_tx_vol = volume;
broadcast_event(AUDDEV_EVT_DEVICE_VOL_MUTE_CHG,
routing_info.voice_tx_dev_id,
session_id);
} else if (dir == DIR_RX) {
routing_info.voice_rx_vol = volume;
broadcast_event(AUDDEV_EVT_DEVICE_VOL_MUTE_CHG,
routing_info.voice_rx_dev_id,
session_id);
} else
return -EINVAL;
return 0;
}
EXPORT_SYMBOL(msm_set_voice_vol);
void msm_snddev_register(struct msm_snddev_info *dev_info)
{
mutex_lock(&session_lock);
if (audio_dev_ctrl.num_dev < AUDIO_DEV_CTL_MAX_DEV) {
audio_dev_ctrl.devs[audio_dev_ctrl.num_dev] = dev_info;
/* roughly 0 DB for digital gain
* If default gain is not desirable, it is expected that
* application sets desired gain before activating sound
* device
*/
dev_info->dev_volume = 75;
dev_info->sessions = 0x0;
dev_info->usage_count = 0;
audio_dev_ctrl.num_dev++;
} else
pr_err("%s: device registry max out\n", __func__);
mutex_unlock(&session_lock);
}
EXPORT_SYMBOL(msm_snddev_register);
int msm_snddev_devcount(void)
{
return audio_dev_ctrl.num_dev;
}
EXPORT_SYMBOL(msm_snddev_devcount);
int msm_snddev_query(int dev_id)
{
if (dev_id <= audio_dev_ctrl.num_dev)
return 0;
return -ENODEV;
}
EXPORT_SYMBOL(msm_snddev_query);
int msm_snddev_is_set(int popp_id, int copp_id)
{
return routing_info.mixer_mask[popp_id] & (0x1 << copp_id);
}
EXPORT_SYMBOL(msm_snddev_is_set);
unsigned short msm_snddev_route_enc(int enc_id)
{
if (enc_id >= MAX_SESSIONS)
return -EINVAL;
return routing_info.audrec_mixer_mask[enc_id];
}
EXPORT_SYMBOL(msm_snddev_route_enc);
unsigned short msm_snddev_route_dec(int popp_id)
{
if (popp_id >= MAX_SESSIONS)
return -EINVAL;
return routing_info.mixer_mask[popp_id];
}
EXPORT_SYMBOL(msm_snddev_route_dec);
/*To check one->many case*/
int msm_check_multicopp_per_stream(int session_id,
struct route_payload *payload)
{
int i = 0;
int flag = 0;
pr_debug("%s: session_id=%d\n", __func__, session_id);
mutex_lock(&routing_info.copp_list_mutex);
for (i = 0; i < AFE_MAX_PORTS; i++) {
if (routing_info.copp_list[session_id][i] == COPP_IGNORE)
continue;
else {
pr_debug("Device enabled\n");
payload->copp_ids[flag++] =
routing_info.copp_list[session_id][i];
}
}
mutex_unlock(&routing_info.copp_list_mutex);
if (flag > 1) {
pr_debug("Multiple copp per stream case num_copps=%d\n", flag);
} else {
pr_debug("Stream routed to single copp\n");
}
payload->num_copps = flag;
return flag;
}
int msm_snddev_set_dec(int popp_id, int copp_id, int set,
int rate, int mode)
{
int rc = 0, i = 0, num_copps;
struct route_payload payload;
if ((popp_id >= MAX_SESSIONS) || (popp_id <= 0)) {
pr_err("%s: Invalid session id %d\n", __func__, popp_id);
return 0;
}
mutex_lock(&routing_info.adm_mutex);
if (set) {
rc = adm_open(copp_id, ADM_PATH_PLAYBACK, rate, mode,
DEFAULT_COPP_TOPOLOGY);
if (rc < 0) {
pr_err("%s: adm open fail rc[%d]\n", __func__, rc);
rc = -EINVAL;
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
msm_set_copp_id(popp_id, copp_id);
pr_debug("%s:Session id=%d copp_id=%d\n",
__func__, popp_id, copp_id);
memset(payload.copp_ids, COPP_IGNORE,
(sizeof(unsigned int) * AFE_MAX_PORTS));
num_copps = msm_check_multicopp_per_stream(popp_id, &payload);
/* Multiple streams per copp is handled, one stream at a time */
rc = adm_matrix_map(popp_id, ADM_PATH_PLAYBACK, num_copps,
payload.copp_ids, copp_id);
if (rc < 0) {
pr_err("%s: matrix map failed rc[%d]\n",
__func__, rc);
adm_close(copp_id);
rc = -EINVAL;
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
#ifdef CONFIG_MSM8X60_RTAC
for (i = 0; i < num_copps; i++)
rtac_add_adm_device(payload.copp_ids[i], popp_id);
#endif
} else {
for (i = 0; i < AFE_MAX_PORTS; i++) {
if (routing_info.copp_list[popp_id][i] == copp_id) {
rc = adm_close(copp_id);
if (rc < 0) {
pr_err("%s: adm close fail copp[%d]"
"rc[%d]\n",
__func__, copp_id, rc);
rc = -EINVAL;
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
msm_clear_copp_id(popp_id, copp_id);
break;
}
}
}
if (copp_id == VOICE_PLAYBACK_TX) {
/* Signal uplink playback. */
rc = voice_start_playback(set);
}
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
EXPORT_SYMBOL(msm_snddev_set_dec);
static int check_tx_copp_topology(int session_id)
{
int cnt;
int ret_val = -ENOENT;
cnt = adm_tx_topology_tbl.session_cnt;
if (cnt) {
do {
if (adm_tx_topology_tbl.session_id[cnt-1]
== session_id)
ret_val = cnt-1;
} while (--cnt);
}
return ret_val;
}
static int add_to_tx_topology_lists(int session_id, int topology)
{
int idx = 0, tbl_idx;
int ret_val = -ENOSPC;
mutex_lock(&adm_tx_topology_tbl.lock);
tbl_idx = check_tx_copp_topology(session_id);
if (tbl_idx == -ENOENT) {
while (adm_tx_topology_tbl.session_id[idx++])
;
tbl_idx = idx-1;
}
if (tbl_idx < MAX_SESSIONS) {
adm_tx_topology_tbl.session_id[tbl_idx] = session_id;
adm_tx_topology_tbl.topolog_id[tbl_idx] = topology;
adm_tx_topology_tbl.session_cnt++;
ret_val = 0;
}
mutex_unlock(&adm_tx_topology_tbl.lock);
return ret_val;
}
static void remove_from_tx_topology_lists(int session_id)
{
int tbl_idx;
mutex_lock(&adm_tx_topology_tbl.lock);
tbl_idx = check_tx_copp_topology(session_id);
if (tbl_idx != -ENOENT) {
adm_tx_topology_tbl.session_cnt--;
adm_tx_topology_tbl.session_id[tbl_idx] = 0;
adm_tx_topology_tbl.topolog_id[tbl_idx] = 0;
}
mutex_unlock(&adm_tx_topology_tbl.lock);
}
int auddev_cfg_tx_copp_topology(int session_id, int cfg)
{
int ret = 0;
if (cfg == DEFAULT_COPP_TOPOLOGY)
remove_from_tx_topology_lists(session_id);
else {
switch (cfg) {
case VPM_TX_SM_ECNS_COPP_TOPOLOGY:
case VPM_TX_DM_FLUENCE_COPP_TOPOLOGY:
ret = add_to_tx_topology_lists(session_id, cfg);
break;
default:
ret = -ENODEV;
break;
}
}
return ret;
}
int msm_snddev_set_enc(int popp_id, int copp_id, int set,
int rate, int mode)
{
int topology;
int tbl_idx;
int rc = 0, i = 0;
mutex_lock(&routing_info.adm_mutex);
if (set) {
mutex_lock(&adm_tx_topology_tbl.lock);
tbl_idx = check_tx_copp_topology(popp_id);
if (tbl_idx == -ENOENT)
topology = DEFAULT_COPP_TOPOLOGY;
else {
topology = adm_tx_topology_tbl.topolog_id[tbl_idx];
rate = 16000;
}
mutex_unlock(&adm_tx_topology_tbl.lock);
rc = adm_open(copp_id, ADM_PATH_LIVE_REC, rate, mode, topology);
if (rc < 0) {
pr_err("%s: adm open fail rc[%d]\n", __func__, rc);
rc = -EINVAL;
goto fail_cmd;
}
rc = adm_matrix_map(popp_id, ADM_PATH_LIVE_REC, 1,
(unsigned int *)&copp_id, copp_id);
if (rc < 0) {
pr_err("%s: matrix map failed rc[%d]\n", __func__, rc);
adm_close(copp_id);
rc = -EINVAL;
goto fail_cmd;
}
msm_set_copp_id(popp_id, copp_id);
#ifdef CONFIG_MSM8X60_RTAC
rtac_add_adm_device(copp_id, popp_id);
#endif
} else {
for (i = 0; i < AFE_MAX_PORTS; i++) {
if (routing_info.copp_list[popp_id][i] == copp_id) {
rc = adm_close(copp_id);
if (rc < 0) {
pr_err("%s: adm close fail copp[%d]"
"rc[%d]\n",
__func__, copp_id, rc);
rc = -EINVAL;
goto fail_cmd;
}
msm_clear_copp_id(popp_id, copp_id);
break;
}
}
}
fail_cmd:
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
EXPORT_SYMBOL(msm_snddev_set_enc);
int msm_device_is_voice(int dev_id)
{
if ((dev_id == routing_info.voice_rx_dev_id)
|| (dev_id == routing_info.voice_tx_dev_id))
return 0;
else
return -EINVAL;
}
EXPORT_SYMBOL(msm_device_is_voice);
int msm_set_voc_route(struct msm_snddev_info *dev_info,
int stream_type, int dev_id)
{
int rc = 0;
u64 session_mask = 0;
mutex_lock(&session_lock);
switch (stream_type) {
case AUDIO_ROUTE_STREAM_VOICE_RX:
if (audio_dev_ctrl.voice_rx_dev)
audio_dev_ctrl.voice_rx_dev->sessions &= ~0xFFFF;
if (!(dev_info->capability & SNDDEV_CAP_RX) |
!(dev_info->capability & SNDDEV_CAP_VOICE)) {
rc = -EINVAL;
break;
}
audio_dev_ctrl.voice_rx_dev = dev_info;
if (audio_dev_ctrl.voice_rx_dev) {
session_mask =
((u64)0x1) << (MAX_BIT_PER_CLIENT * \
((int)AUDDEV_CLNT_VOC-1));
audio_dev_ctrl.voice_rx_dev->sessions |=
session_mask;
}
routing_info.voice_rx_dev_id = dev_id;
break;
case AUDIO_ROUTE_STREAM_VOICE_TX:
if (audio_dev_ctrl.voice_tx_dev)
audio_dev_ctrl.voice_tx_dev->sessions &= ~0xFFFF;
if (!(dev_info->capability & SNDDEV_CAP_TX) |
!(dev_info->capability & SNDDEV_CAP_VOICE)) {
rc = -EINVAL;
break;
}
audio_dev_ctrl.voice_tx_dev = dev_info;
if (audio_dev_ctrl.voice_rx_dev) {
session_mask =
((u64)0x1) << (MAX_BIT_PER_CLIENT * \
((int)AUDDEV_CLNT_VOC-1));
audio_dev_ctrl.voice_tx_dev->sessions |=
session_mask;
}
routing_info.voice_tx_dev_id = dev_id;
break;
default:
rc = -EINVAL;
}
mutex_unlock(&session_lock);
return rc;
}
EXPORT_SYMBOL(msm_set_voc_route);
void msm_release_voc_thread(void)
{
wake_up(&audio_dev_ctrl.wait);
}
EXPORT_SYMBOL(msm_release_voc_thread);
int msm_snddev_get_enc_freq(session_id)
{
return routing_info.enc_freq[session_id].freq;
}
EXPORT_SYMBOL(msm_snddev_get_enc_freq);
int msm_get_voc_freq(int *tx_freq, int *rx_freq)
{
*tx_freq = routing_info.voice_tx_sample_rate;
*rx_freq = routing_info.voice_rx_sample_rate;
return 0;
}
EXPORT_SYMBOL(msm_get_voc_freq);
int msm_get_voc_route(u32 *rx_id, u32 *tx_id)
{
int rc = 0;
if (!rx_id || !tx_id)
return -EINVAL;
mutex_lock(&session_lock);
if (!audio_dev_ctrl.voice_rx_dev || !audio_dev_ctrl.voice_tx_dev) {
rc = -ENODEV;
mutex_unlock(&session_lock);
return rc;
}
*rx_id = audio_dev_ctrl.voice_rx_dev->acdb_id;
*tx_id = audio_dev_ctrl.voice_tx_dev->acdb_id;
mutex_unlock(&session_lock);
return rc;
}
EXPORT_SYMBOL(msm_get_voc_route);
struct msm_snddev_info *audio_dev_ctrl_find_dev(u32 dev_id)
{
struct msm_snddev_info *info;
if ((audio_dev_ctrl.num_dev - 1) < dev_id) {
info = ERR_PTR(-ENODEV);
goto error;
}
info = audio_dev_ctrl.devs[dev_id];
error:
return info;
}
EXPORT_SYMBOL(audio_dev_ctrl_find_dev);
int snddev_voice_set_volume(int vol, int path)
{
if (audio_dev_ctrl.voice_rx_dev
&& audio_dev_ctrl.voice_tx_dev) {
if (path)
audio_dev_ctrl.voice_tx_dev->dev_volume = vol;
else
audio_dev_ctrl.voice_rx_dev->dev_volume = vol;
} else
return -ENODEV;
return 0;
}
EXPORT_SYMBOL(snddev_voice_set_volume);
static int audio_dev_ctrl_get_devices(struct audio_dev_ctrl_state *dev_ctrl,
void __user *arg)
{
int rc = 0;
u32 index;
struct msm_snd_device_list work_list;
struct msm_snd_device_info *work_tbl;
if (copy_from_user(&work_list, arg, sizeof(work_list))) {
rc = -EFAULT;
goto error;
}
if (work_list.num_dev > dev_ctrl->num_dev) {
rc = -EINVAL;
goto error;
}
work_tbl = kmalloc(work_list.num_dev *
sizeof(struct msm_snd_device_info), GFP_KERNEL);
if (!work_tbl) {
rc = -ENOMEM;
goto error;
}
for (index = 0; index < dev_ctrl->num_dev; index++) {
work_tbl[index].dev_id = index;
work_tbl[index].dev_cap = dev_ctrl->devs[index]->capability;
strlcpy(work_tbl[index].dev_name, dev_ctrl->devs[index]->name,
64);
}
if (copy_to_user((void *) (work_list.list), work_tbl,
work_list.num_dev * sizeof(struct msm_snd_device_info)))
rc = -EFAULT;
kfree(work_tbl);
error:
return rc;
}
int auddev_register_evt_listner(u32 evt_id, u32 clnt_type, u32 clnt_id,
void (*listner)(u32 evt_id,
union auddev_evt_data *evt_payload,
void *private_data),
void *private_data)
{
int rc;
struct msm_snd_evt_listner *callback = NULL;
struct msm_snd_evt_listner *new_cb;
new_cb = kzalloc(sizeof(struct msm_snd_evt_listner), GFP_KERNEL);
if (!new_cb) {
pr_err("No memory to add new listener node\n");
return -ENOMEM;
}
mutex_lock(&session_lock);
new_cb->cb_next = NULL;
new_cb->auddev_evt_listener = listner;
new_cb->evt_id = evt_id;
new_cb->clnt_type = clnt_type;
new_cb->clnt_id = clnt_id;
new_cb->private_data = private_data;
if (event.cb == NULL) {
event.cb = new_cb;
new_cb->cb_prev = NULL;
} else {
callback = event.cb;
for (; ;) {
if (callback->cb_next == NULL)
break;
else {
callback = callback->cb_next;
continue;
}
}
callback->cb_next = new_cb;
new_cb->cb_prev = callback;
}
event.num_listner++;
mutex_unlock(&session_lock);
rc = 0;
return rc;
}
EXPORT_SYMBOL(auddev_register_evt_listner);
int auddev_unregister_evt_listner(u32 clnt_type, u32 clnt_id)
{
struct msm_snd_evt_listner *callback = event.cb;
struct msm_snddev_info *info;
u64 session_mask = 0;
int i = 0;
mutex_lock(&session_lock);
while (callback != NULL) {
if ((callback->clnt_type == clnt_type)
&& (callback->clnt_id == clnt_id))
break;
callback = callback->cb_next;
}
if (callback == NULL) {
mutex_unlock(&session_lock);
return -EINVAL;
}
if ((callback->cb_next == NULL) && (callback->cb_prev == NULL))
event.cb = NULL;
else if (callback->cb_next == NULL)
callback->cb_prev->cb_next = NULL;
else if (callback->cb_prev == NULL) {
callback->cb_next->cb_prev = NULL;
event.cb = callback->cb_next;
} else {
callback->cb_prev->cb_next = callback->cb_next;
callback->cb_next->cb_prev = callback->cb_prev;
}
kfree(callback);
session_mask = (((u64)0x1) << clnt_id) << (MAX_BIT_PER_CLIENT * \
((int)clnt_type-1));
for (i = 0; i < audio_dev_ctrl.num_dev; i++) {
info = audio_dev_ctrl.devs[i];
info->sessions &= ~session_mask;
}
mutex_unlock(&session_lock);
return 0;
}
EXPORT_SYMBOL(auddev_unregister_evt_listner);
int msm_snddev_withdraw_freq(u32 session_id, u32 capability, u32 clnt_type)
{
int i = 0;
struct msm_snddev_info *info;
u64 session_mask = 0;
if ((clnt_type == AUDDEV_CLNT_VOC) && (session_id != 0))
return -EINVAL;
if ((clnt_type == AUDDEV_CLNT_DEC)
&& (session_id >= MAX_SESSIONS))
return -EINVAL;
if ((clnt_type == AUDDEV_CLNT_ENC)
&& (session_id >= MAX_SESSIONS))
return -EINVAL;
session_mask = (((u64)0x1) << session_id) << (MAX_BIT_PER_CLIENT * \
((int)clnt_type-1));
for (i = 0; i < audio_dev_ctrl.num_dev; i++) {
info = audio_dev_ctrl.devs[i];
if ((info->sessions & session_mask)
&& (info->capability & capability)) {
if (!(info->sessions & ~(session_mask)))
info->set_sample_rate = 0;
}
}
if (clnt_type == AUDDEV_CLNT_DEC)
routing_info.dec_freq[session_id].freq
= 0;
else if (clnt_type == AUDDEV_CLNT_ENC)
routing_info.enc_freq[session_id].freq
= 0;
else if (capability == SNDDEV_CAP_TX)
routing_info.voice_tx_sample_rate = 0;
else
routing_info.voice_rx_sample_rate = 48000;
return 0;
}
int msm_snddev_request_freq(int *freq, u32 session_id,
u32 capability, u32 clnt_type)
{
int i = 0;
int rc = 0;
struct msm_snddev_info *info;
u32 set_freq;
u64 session_mask = 0;
u64 clnt_type_mask = 0;
pr_debug(": clnt_type 0x%08x\n", clnt_type);
if ((clnt_type == AUDDEV_CLNT_VOC) && (session_id != 0))
return -EINVAL;
if ((clnt_type == AUDDEV_CLNT_DEC)
&& (session_id >= MAX_SESSIONS))
return -EINVAL;
if ((clnt_type == AUDDEV_CLNT_ENC)
&& (session_id >= MAX_SESSIONS))
return -EINVAL;
session_mask = (((u64)0x1) << session_id) << (MAX_BIT_PER_CLIENT * \
((int)clnt_type-1));
clnt_type_mask = (0xFFFF << (MAX_BIT_PER_CLIENT * (clnt_type-1)));
if (!(*freq == 8000) && !(*freq == 11025) &&
!(*freq == 12000) && !(*freq == 16000) &&
!(*freq == 22050) && !(*freq == 24000) &&
!(*freq == 32000) && !(*freq == 44100) &&
!(*freq == 48000))
return -EINVAL;
for (i = 0; i < audio_dev_ctrl.num_dev; i++) {
info = audio_dev_ctrl.devs[i];
if ((info->sessions & session_mask)
&& (info->capability & capability)) {
rc = 0;
if ((info->sessions & ~clnt_type_mask)
&& ((*freq != 8000) && (*freq != 16000)
&& (*freq != 48000))) {
if (clnt_type == AUDDEV_CLNT_ENC) {
routing_info.enc_freq[session_id].freq
= 0;
return -EPERM;
} else if (clnt_type == AUDDEV_CLNT_DEC) {
routing_info.dec_freq[session_id].freq
= 0;
return -EPERM;
}
}
if (*freq == info->set_sample_rate) {
rc = info->set_sample_rate;
continue;
}
set_freq = MAX(*freq, info->set_sample_rate);
if (clnt_type == AUDDEV_CLNT_DEC) {
routing_info.dec_freq[session_id].evt = 1;
routing_info.dec_freq[session_id].freq
= set_freq;
} else if (clnt_type == AUDDEV_CLNT_ENC) {
routing_info.enc_freq[session_id].evt = 1;
routing_info.enc_freq[session_id].freq
= set_freq;
} else if (capability == SNDDEV_CAP_TX)
routing_info.voice_tx_sample_rate = set_freq;
rc = set_freq;
info->set_sample_rate = set_freq;
*freq = info->set_sample_rate;
if (info->opened) {
broadcast_event(AUDDEV_EVT_FREQ_CHG, i,
SESSION_IGNORE);
set_freq = info->dev_ops.set_freq(info,
set_freq);
broadcast_event(AUDDEV_EVT_DEV_RDY, i,
SESSION_IGNORE);
}
}
pr_debug("info->set_sample_rate = %d\n", info->set_sample_rate);
pr_debug("routing_info.enc_freq.freq = %d\n",
routing_info.enc_freq[session_id].freq);
}
return rc;
}
EXPORT_SYMBOL(msm_snddev_request_freq);
int msm_snddev_enable_sidetone(u32 dev_id, u32 enable, uint16_t gain)
{
int rc;
struct msm_snddev_info *dev_info;
pr_debug("dev_id %d enable %d\n", dev_id, enable);
dev_info = audio_dev_ctrl_find_dev(dev_id);
if (IS_ERR(dev_info)) {
pr_err("bad dev_id %d\n", dev_id);
rc = -EINVAL;
} else if (!dev_info->dev_ops.enable_sidetone) {
pr_debug("dev %d no sidetone support\n", dev_id);
rc = -EPERM;
} else
rc = dev_info->dev_ops.enable_sidetone(dev_info, enable, gain);
return rc;
}
EXPORT_SYMBOL(msm_snddev_enable_sidetone);
int msm_enable_incall_recording(int popp_id, int rec_mode, int rate,
int channel_mode)
{
int rc = 0;
unsigned int port_id[2];
port_id[0] = VOICE_RECORD_TX;
port_id[1] = VOICE_RECORD_RX;
pr_debug("%s: popp_id %d, rec_mode %d, rate %d, channel_mode %d\n",
__func__, popp_id, rec_mode, rate, channel_mode);
mutex_lock(&routing_info.adm_mutex);
if (rec_mode == VOC_REC_UPLINK) {
rc = afe_start_pseudo_port(port_id[0]);
if (rc < 0) {
pr_err("%s: Error %d in Tx pseudo port start\n",
__func__, rc);
goto fail_cmd;
}
rc = adm_open(port_id[0], ADM_PATH_LIVE_REC, rate, channel_mode,
DEFAULT_COPP_TOPOLOGY);
if (rc < 0) {
pr_err("%s: Error %d in ADM open %d\n",
__func__, rc, port_id[0]);
goto fail_cmd;
}
rc = adm_matrix_map(popp_id, ADM_PATH_LIVE_REC, 1,
&port_id[0], port_id[0]);
if (rc < 0) {
pr_err("%s: Error %d in ADM matrix map %d\n",
__func__, rc, port_id[0]);
goto fail_cmd;
}
msm_set_copp_id(popp_id, port_id[0]);
} else if (rec_mode == VOC_REC_DOWNLINK) {
rc = afe_start_pseudo_port(port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in Rx pseudo port start\n",
__func__, rc);
goto fail_cmd;
}
rc = adm_open(port_id[1], ADM_PATH_LIVE_REC, rate, channel_mode,
DEFAULT_COPP_TOPOLOGY);
if (rc < 0) {
pr_err("%s: Error %d in ADM open %d\n",
__func__, rc, port_id[1]);
goto fail_cmd;
}
rc = adm_matrix_map(popp_id, ADM_PATH_LIVE_REC, 1,
&port_id[1], port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in ADM matrix map %d\n",
__func__, rc, port_id[1]);
goto fail_cmd;
}
msm_set_copp_id(popp_id, port_id[1]);
} else if (rec_mode == VOC_REC_BOTH) {
rc = afe_start_pseudo_port(port_id[0]);
if (rc < 0) {
pr_err("%s: Error %d in Tx pseudo port start\n",
__func__, rc);
goto fail_cmd;
}
rc = adm_open(port_id[0], ADM_PATH_LIVE_REC, rate, channel_mode,
DEFAULT_COPP_TOPOLOGY);
if (rc < 0) {
pr_err("%s: Error %d in ADM open %d\n",
__func__, rc, port_id[0]);
goto fail_cmd;
}
msm_set_copp_id(popp_id, port_id[0]);
rc = afe_start_pseudo_port(port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in Rx pseudo port start\n",
__func__, rc);
goto fail_cmd;
}
rc = adm_open(port_id[1], ADM_PATH_LIVE_REC, rate, channel_mode,
DEFAULT_COPP_TOPOLOGY);
if (rc < 0) {
pr_err("%s: Error %d in ADM open %d\n",
__func__, rc, port_id[0]);
goto fail_cmd;
}
rc = adm_matrix_map(popp_id, ADM_PATH_LIVE_REC, 2,
&port_id[0], port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in ADM matrix map\n",
__func__, rc);
goto fail_cmd;
}
msm_set_copp_id(popp_id, port_id[1]);
} else {
pr_err("%s Unknown rec_mode %d\n", __func__, rec_mode);
goto fail_cmd;
}
rc = voice_start_record(rec_mode, 1);
fail_cmd:
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
int msm_disable_incall_recording(uint32_t popp_id, uint32_t rec_mode)
{
int rc = 0;
uint32_t port_id[2];
port_id[0] = VOICE_RECORD_TX;
port_id[1] = VOICE_RECORD_RX;
pr_debug("%s: popp_id %d, rec_mode %d\n", __func__, popp_id, rec_mode);
mutex_lock(&routing_info.adm_mutex);
rc = voice_start_record(rec_mode, 0);
if (rc < 0) {
pr_err("%s: Error %d stopping record\n", __func__, rc);
goto fail_cmd;
}
if (rec_mode == VOC_REC_UPLINK) {
rc = adm_close(port_id[0]);
if (rc < 0) {
pr_err("%s: Error %d in ADM close %d\n",
__func__, rc, port_id[0]);
goto fail_cmd;
}
msm_clear_copp_id(popp_id, port_id[0]);
rc = afe_stop_pseudo_port(port_id[0]);
if (rc < 0) {
pr_err("%s: Error %d in Tx pseudo port stop\n",
__func__, rc);
goto fail_cmd;
}
} else if (rec_mode == VOC_REC_DOWNLINK) {
rc = adm_close(port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in ADM close %d\n",
__func__, rc, port_id[1]);
goto fail_cmd;
}
msm_clear_copp_id(popp_id, port_id[1]);
rc = afe_stop_pseudo_port(port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in Rx pseudo port stop\n",
__func__, rc);
goto fail_cmd;
}
} else if (rec_mode == VOC_REC_BOTH) {
rc = adm_close(port_id[0]);
if (rc < 0) {
pr_err("%s: Error %d in ADM close %d\n",
__func__, rc, port_id[0]);
goto fail_cmd;
}
msm_clear_copp_id(popp_id, port_id[0]);
rc = afe_stop_pseudo_port(port_id[0]);
if (rc < 0) {
pr_err("%s: Error %d in Tx pseudo port stop\n",
__func__, rc);
goto fail_cmd;
}
rc = adm_close(port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in ADM close %d\n",
__func__, rc, port_id[1]);
goto fail_cmd;
}
msm_clear_copp_id(popp_id, port_id[1]);
rc = afe_stop_pseudo_port(port_id[1]);
if (rc < 0) {
pr_err("%s: Error %d in Rx pseudo port stop\n",
__func__, rc);
goto fail_cmd;
}
} else {
pr_err("%s Unknown rec_mode %d\n", __func__, rec_mode);
goto fail_cmd;
}
fail_cmd:
mutex_unlock(&routing_info.adm_mutex);
return rc;
}
static long audio_dev_ctrl_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int rc = 0;
struct audio_dev_ctrl_state *dev_ctrl = file->private_data;
mutex_lock(&session_lock);
switch (cmd) {
case AUDIO_GET_NUM_SND_DEVICE:
rc = put_user(dev_ctrl->num_dev, (uint32_t __user *) arg);
break;
case AUDIO_GET_SND_DEVICES:
rc = audio_dev_ctrl_get_devices(dev_ctrl, (void __user *) arg);
break;
case AUDIO_ENABLE_SND_DEVICE: {
struct msm_snddev_info *dev_info;
u32 dev_id;
if (get_user(dev_id, (u32 __user *) arg)) {
rc = -EFAULT;
break;
}
dev_info = audio_dev_ctrl_find_dev(dev_id);
if (IS_ERR(dev_info))
rc = PTR_ERR(dev_info);
else {
rc = dev_info->dev_ops.open(dev_info);
if (!rc)
dev_info->opened = 1;
wake_up(&audio_dev_ctrl.wait);
}
break;
}
case AUDIO_DISABLE_SND_DEVICE: {
struct msm_snddev_info *dev_info;
u32 dev_id;
if (get_user(dev_id, (u32 __user *) arg)) {
rc = -EFAULT;
break;
}
dev_info = audio_dev_ctrl_find_dev(dev_id);
if (IS_ERR(dev_info))
rc = PTR_ERR(dev_info);
else {
rc = dev_info->dev_ops.close(dev_info);
dev_info->opened = 0;
}
break;
}
case AUDIO_ROUTE_STREAM: {
struct msm_audio_route_config route_cfg;
struct msm_snddev_info *dev_info;
if (copy_from_user(&route_cfg, (void __user *) arg,
sizeof(struct msm_audio_route_config))) {
rc = -EFAULT;
break;
}
pr_debug("%s: route cfg %d %d type\n", __func__,
route_cfg.dev_id, route_cfg.stream_type);
dev_info = audio_dev_ctrl_find_dev(route_cfg.dev_id);
if (IS_ERR(dev_info)) {
pr_err("%s: pass invalid dev_id\n", __func__);
rc = PTR_ERR(dev_info);
break;
}
switch (route_cfg.stream_type) {
case AUDIO_ROUTE_STREAM_VOICE_RX:
if (!(dev_info->capability & SNDDEV_CAP_RX) |
!(dev_info->capability & SNDDEV_CAP_VOICE)) {
rc = -EINVAL;
break;
}
dev_ctrl->voice_rx_dev = dev_info;
break;
case AUDIO_ROUTE_STREAM_VOICE_TX:
if (!(dev_info->capability & SNDDEV_CAP_TX) |
!(dev_info->capability & SNDDEV_CAP_VOICE)) {
rc = -EINVAL;
break;
}
dev_ctrl->voice_tx_dev = dev_info;
break;
}
break;
}
default:
rc = -EINVAL;
}
mutex_unlock(&session_lock);
return rc;
}
static int audio_dev_ctrl_open(struct inode *inode, struct file *file)
{
pr_debug("open audio_dev_ctrl\n");
atomic_inc(&audio_dev_ctrl.opened);
file->private_data = &audio_dev_ctrl;
return 0;
}
static int audio_dev_ctrl_release(struct inode *inode, struct file *file)
{
pr_debug("release audio_dev_ctrl\n");
atomic_dec(&audio_dev_ctrl.opened);
return 0;
}
static const struct file_operations audio_dev_ctrl_fops = {
.owner = THIS_MODULE,
.open = audio_dev_ctrl_open,
.release = audio_dev_ctrl_release,
.unlocked_ioctl = audio_dev_ctrl_ioctl,
};
struct miscdevice audio_dev_ctrl_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = "msm_audio_dev_ctrl",
.fops = &audio_dev_ctrl_fops,
};
/* session id is 64 bit routing mask per device
* 0-15 for voice clients
* 16-31 for Decoder clients
* 32-47 for Encoder clients
* 48-63 Do not care
*/
void broadcast_event(u32 evt_id, u32 dev_id, u64 session_id)
{
int clnt_id = 0, i;
union auddev_evt_data *evt_payload;
struct msm_snd_evt_listner *callback;
struct msm_snddev_info *dev_info = NULL;
u64 session_mask = 0;
static int pending_sent;
pr_debug(": evt_id = %d\n", evt_id);
if ((evt_id != AUDDEV_EVT_START_VOICE)
&& (evt_id != AUDDEV_EVT_END_VOICE)
&& (evt_id != AUDDEV_EVT_STREAM_VOL_CHG)
&& (evt_id != AUDDEV_EVT_VOICE_STATE_CHG)) {
dev_info = audio_dev_ctrl_find_dev(dev_id);
if (IS_ERR(dev_info)) {
pr_err("%s: pass invalid dev_id(%d)\n",
__func__, dev_id);
return;
}
}
if (event.cb != NULL)
callback = event.cb;
else
return;
mutex_lock(&session_lock);
if (evt_id == AUDDEV_EVT_VOICE_STATE_CHG)
routing_info.voice_state = dev_id;
evt_payload = kzalloc(sizeof(union auddev_evt_data),
GFP_KERNEL);
if (evt_payload == NULL) {
pr_err("broadcast_event: cannot allocate memory\n");
mutex_unlock(&session_lock);
return;
}
for (; ;) {
if (!(evt_id & callback->evt_id)) {
if (callback->cb_next == NULL)
break;
else {
callback = callback->cb_next;
continue;
}
}
clnt_id = callback->clnt_id;
memset(evt_payload, 0, sizeof(union auddev_evt_data));
if ((evt_id == AUDDEV_EVT_START_VOICE)
|| (evt_id == AUDDEV_EVT_END_VOICE)
|| evt_id == AUDDEV_EVT_DEVICE_VOL_MUTE_CHG)
goto skip_check;
if (callback->clnt_type == AUDDEV_CLNT_AUDIOCAL)
goto aud_cal;
session_mask = (((u64)0x1) << clnt_id)
<< (MAX_BIT_PER_CLIENT * \
((int)callback->clnt_type-1));
if ((evt_id == AUDDEV_EVT_STREAM_VOL_CHG) || \
(evt_id == AUDDEV_EVT_VOICE_STATE_CHG)) {
pr_debug("AUDDEV_EVT_STREAM_VOL_CHG or\
AUDDEV_EVT_VOICE_STATE_CHG\n");
goto volume_strm;
}
pr_debug("dev_info->sessions = %llu\n", dev_info->sessions);
if ((!session_id && !(dev_info->sessions & session_mask)) ||
(session_id && ((dev_info->sessions & session_mask) !=
session_id))) {
if (callback->cb_next == NULL)
break;
else {
callback = callback->cb_next;
continue;
}
}
if (evt_id == AUDDEV_EVT_DEV_CHG_VOICE)
goto voc_events;
volume_strm:
if (callback->clnt_type == AUDDEV_CLNT_DEC) {
pr_debug("AUDDEV_CLNT_DEC\n");
if (evt_id == AUDDEV_EVT_STREAM_VOL_CHG) {
pr_debug("clnt_id = %d, session_id = %llu\n",
clnt_id, session_id);
if (session_mask != session_id)
goto sent_dec;
else
evt_payload->session_vol =
msm_vol_ctl.volume;
} else if (evt_id == AUDDEV_EVT_FREQ_CHG) {
if (routing_info.dec_freq[clnt_id].evt) {
routing_info.dec_freq[clnt_id].evt
= 0;
goto sent_dec;
} else if (routing_info.dec_freq[clnt_id].freq
== dev_info->set_sample_rate)
goto sent_dec;
else {
evt_payload->freq_info.sample_rate
= dev_info->set_sample_rate;
evt_payload->freq_info.dev_type
= dev_info->capability;
evt_payload->freq_info.acdb_dev_id
= dev_info->acdb_id;
}
} else if (evt_id == AUDDEV_EVT_VOICE_STATE_CHG)
evt_payload->voice_state =
routing_info.voice_state;
else
evt_payload->routing_id = dev_info->copp_id;
callback->auddev_evt_listener(
evt_id,
evt_payload,
callback->private_data);
sent_dec:
if ((evt_id != AUDDEV_EVT_STREAM_VOL_CHG) &&
(evt_id != AUDDEV_EVT_VOICE_STATE_CHG))
routing_info.dec_freq[clnt_id].freq
= dev_info->set_sample_rate;
if (callback->cb_next == NULL)
break;
else {
callback = callback->cb_next;
continue;
}
}
if (callback->clnt_type == AUDDEV_CLNT_ENC) {
pr_debug("AUDDEV_CLNT_ENC\n");
if (evt_id == AUDDEV_EVT_FREQ_CHG) {
if (routing_info.enc_freq[clnt_id].evt) {
routing_info.enc_freq[clnt_id].evt
= 0;
goto sent_enc;
} else {
evt_payload->freq_info.sample_rate
= dev_info->set_sample_rate;
evt_payload->freq_info.dev_type
= dev_info->capability;
evt_payload->freq_info.acdb_dev_id
= dev_info->acdb_id;
}
} else if (evt_id == AUDDEV_EVT_VOICE_STATE_CHG)
evt_payload->voice_state =
routing_info.voice_state;
else
evt_payload->routing_id = dev_info->copp_id;
callback->auddev_evt_listener(
evt_id,
evt_payload,
callback->private_data);
sent_enc:
if (callback->cb_next == NULL)
break;
else {
callback = callback->cb_next;
continue;
}
}
aud_cal:
if (callback->clnt_type == AUDDEV_CLNT_AUDIOCAL) {
pr_debug("AUDDEV_CLNT_AUDIOCAL\n");
if (evt_id == AUDDEV_EVT_VOICE_STATE_CHG)
evt_payload->voice_state =
routing_info.voice_state;
else if (!dev_info->sessions)
goto sent_aud_cal;
else {
evt_payload->audcal_info.dev_id =
dev_info->copp_id;
evt_payload->audcal_info.acdb_id =
dev_info->acdb_id;
evt_payload->audcal_info.dev_type =
(dev_info->capability & SNDDEV_CAP_TX) ?
SNDDEV_CAP_TX : SNDDEV_CAP_RX;
evt_payload->audcal_info.sample_rate =
dev_info->set_sample_rate ?
dev_info->set_sample_rate :
dev_info->sample_rate;
}
callback->auddev_evt_listener(
evt_id,
evt_payload,
callback->private_data);
sent_aud_cal:
if (callback->cb_next == NULL)
break;
else {
callback = callback->cb_next;
continue;
}
}
skip_check:
voc_events:
if (callback->clnt_type == AUDDEV_CLNT_VOC) {
pr_debug("AUDDEV_CLNT_VOC\n");
if (evt_id == AUDDEV_EVT_DEV_RLS) {
if (!pending_sent)
goto sent_voc;
else
pending_sent = 0;
}
if (evt_id == AUDDEV_EVT_REL_PENDING)
pending_sent = 1;
if (evt_id == AUDDEV_EVT_DEVICE_VOL_MUTE_CHG) {
evt_payload->voc_vm_info.voice_session_id =
session_id;
if (dev_info->capability & SNDDEV_CAP_TX) {
evt_payload->voc_vm_info.dev_type =
SNDDEV_CAP_TX;
evt_payload->voc_vm_info.acdb_dev_id =
dev_info->acdb_id;
evt_payload->
voc_vm_info.dev_vm_val.mute =
routing_info.tx_mute;
} else {
evt_payload->voc_vm_info.dev_type =
SNDDEV_CAP_RX;
evt_payload->voc_vm_info.acdb_dev_id =
dev_info->acdb_id;
evt_payload->
voc_vm_info.dev_vm_val.vol =
routing_info.voice_rx_vol;
}
} else if ((evt_id == AUDDEV_EVT_START_VOICE)
|| (evt_id == AUDDEV_EVT_END_VOICE)) {
memset(evt_payload, 0,
sizeof(union auddev_evt_data));
evt_payload->voice_session_id = session_id;
} else if (evt_id == AUDDEV_EVT_FREQ_CHG) {
if (routing_info.voice_tx_sample_rate
!= dev_info->set_sample_rate) {
routing_info.voice_tx_sample_rate
= dev_info->set_sample_rate;
evt_payload->freq_info.sample_rate
= dev_info->set_sample_rate;
evt_payload->freq_info.dev_type
= dev_info->capability;
evt_payload->freq_info.acdb_dev_id
= dev_info->acdb_id;
} else
goto sent_voc;
} else if (evt_id == AUDDEV_EVT_VOICE_STATE_CHG)
evt_payload->voice_state =
routing_info.voice_state;
else {
evt_payload->voc_devinfo.dev_type =
(dev_info->capability & SNDDEV_CAP_TX) ?
SNDDEV_CAP_TX : SNDDEV_CAP_RX;
evt_payload->voc_devinfo.acdb_dev_id =
dev_info->acdb_id;
evt_payload->voc_devinfo.dev_port_id =
dev_info->copp_id;
evt_payload->voc_devinfo.dev_sample =
dev_info->set_sample_rate ?
dev_info->set_sample_rate :
dev_info->sample_rate;
evt_payload->voc_devinfo.dev_id = dev_id;
if (dev_info->capability & SNDDEV_CAP_RX) {
for (i = 0; i < VOC_RX_VOL_ARRAY_NUM;
i++) {
evt_payload->
voc_devinfo.max_rx_vol[i] =
dev_info->max_voc_rx_vol[i];
evt_payload
->voc_devinfo.min_rx_vol[i] =
dev_info->min_voc_rx_vol[i];
}
}
}
callback->auddev_evt_listener(
evt_id,
evt_payload,
callback->private_data);
if (evt_id == AUDDEV_EVT_DEV_RLS)
dev_info->sessions &= ~(0xFFFF);
sent_voc:
if (callback->cb_next == NULL)
break;
else {
callback = callback->cb_next;
continue;
}
}
}
kfree(evt_payload);
mutex_unlock(&session_lock);
}
EXPORT_SYMBOL(broadcast_event);
void mixer_post_event(u32 evt_id, u32 id)
{
pr_debug("evt_id = %d\n", evt_id);
switch (evt_id) {
case AUDDEV_EVT_DEV_CHG_VOICE: /* Called from Voice_route */
broadcast_event(AUDDEV_EVT_DEV_CHG_VOICE, id, SESSION_IGNORE);
break;
case AUDDEV_EVT_DEV_RDY:
broadcast_event(AUDDEV_EVT_DEV_RDY, id, SESSION_IGNORE);
break;
case AUDDEV_EVT_DEV_RLS:
broadcast_event(AUDDEV_EVT_DEV_RLS, id, SESSION_IGNORE);
break;
case AUDDEV_EVT_REL_PENDING:
broadcast_event(AUDDEV_EVT_REL_PENDING, id, SESSION_IGNORE);
break;
case AUDDEV_EVT_DEVICE_VOL_MUTE_CHG:
broadcast_event(AUDDEV_EVT_DEVICE_VOL_MUTE_CHG, id,
SESSION_IGNORE);
break;
case AUDDEV_EVT_STREAM_VOL_CHG:
broadcast_event(AUDDEV_EVT_STREAM_VOL_CHG, id,
SESSION_IGNORE);
break;
case AUDDEV_EVT_START_VOICE:
broadcast_event(AUDDEV_EVT_START_VOICE,
id, SESSION_IGNORE);
break;
case AUDDEV_EVT_END_VOICE:
broadcast_event(AUDDEV_EVT_END_VOICE,
id, SESSION_IGNORE);
break;
case AUDDEV_EVT_FREQ_CHG:
broadcast_event(AUDDEV_EVT_FREQ_CHG, id, SESSION_IGNORE);
break;
default:
break;
}
}
EXPORT_SYMBOL(mixer_post_event);
static int __init audio_dev_ctrl_init(void)
{
init_waitqueue_head(&audio_dev_ctrl.wait);
event.cb = NULL;
msm_reset_device_work_queue = create_workqueue("reset_device");
if (msm_reset_device_work_queue == NULL)
return -ENOMEM;
atomic_set(&audio_dev_ctrl.opened, 0);
audio_dev_ctrl.num_dev = 0;
audio_dev_ctrl.voice_tx_dev = NULL;
audio_dev_ctrl.voice_rx_dev = NULL;
routing_info.voice_state = VOICE_STATE_INVALID;
mutex_init(&adm_tx_topology_tbl.lock);
mutex_init(&routing_info.copp_list_mutex);
mutex_init(&routing_info.adm_mutex);
memset(routing_info.copp_list, COPP_IGNORE,
(sizeof(unsigned int) * MAX_SESSIONS * AFE_MAX_PORTS));
return misc_register(&audio_dev_ctrl_misc);
}
static void __exit audio_dev_ctrl_exit(void)
{
destroy_workqueue(msm_reset_device_work_queue);
}
module_init(audio_dev_ctrl_init);
module_exit(audio_dev_ctrl_exit);
MODULE_DESCRIPTION("MSM 8K Audio Device Control driver");
MODULE_LICENSE("GPL v2");
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