static int snd_bcm2835_pcm_lib_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
int ret = snd_pcm_lib_ioctl(substream, cmd, arg);
audio_info(" .. substream=%p, cmd=%d, arg=%p (%x) ret=%d\n", substream,
cmd, arg, arg ? *(unsigned *)arg : 0, ret);
return ret;
}
static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
int ret;
snd_cx18_lock(cxsc);
ret = snd_pcm_lib_ioctl(substream, cmd, arg);
snd_cx18_unlock(cxsc);
return ret;
}
static int snd_ivtv_pcm_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);
int ret;
snd_ivtv_lock(itvsc);
ret = snd_pcm_lib_ioctl(substream, cmd, arg);
snd_ivtv_unlock(itvsc);
return ret;
}
static int msm_pcm_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct msm_voice *prtd = runtime->private_data;
uint32_t session_id = get_session_id(prtd);
enum voice_lch_mode lch_mode;
int ret = 0;
switch (cmd) {
case SNDRV_VOICE_IOCTL_LCH:
if (copy_from_user(&lch_mode, (void *)arg,
sizeof(enum voice_lch_mode))) {
pr_err("%s: Copy from user failed, size %d\n", __func__,
sizeof(enum voice_lch_mode));
ret = -EFAULT;
break;
}
pr_debug("%s: %s lch_mode:%d\n",
__func__, substream->pcm->id, lch_mode);
switch (lch_mode) {
case VOICE_LCH_START:
case VOICE_LCH_STOP:
ret = voc_set_lch(session_id, lch_mode);
break;
default:
pr_err("%s: Invalid LCH MODE %d\n", __func__, lch_mode);
ret = -EFAULT;
}
break;
default:
pr_debug("%s: Falling into default snd_lib_ioctl cmd 0x%x\n",
__func__, cmd);
ret = snd_pcm_lib_ioctl(substream, cmd, arg);
break;
}
if (!ret)
pr_debug("%s: ret %d\n", __func__, ret);
else
pr_err("%s: cmd 0x%x failed %d\n", __func__, cmd, ret);
return ret;
}
static int msm_lsm_ioctl_shared(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
unsigned long flags;
int ret;
struct snd_lsm_sound_model snd_model;
struct snd_lsm_sound_model_v2 snd_model_v2;
struct snd_lsm_session_data session_data;
int rc = 0;
int xchg = 0;
u32 size = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
struct lsm_priv *prtd = runtime->private_data;
struct snd_lsm_event_status *user = arg;
struct snd_lsm_detection_params det_params;
uint8_t *confidence_level = NULL;
pr_debug("%s: enter cmd %x\n", __func__, cmd);
switch (cmd) {
case SNDRV_LSM_SET_SESSION_DATA:
pr_debug("%s: set Session data\n", __func__);
memcpy(&session_data, arg,
sizeof(struct snd_lsm_session_data));
if (prtd) {
if (session_data.app_id <= LSM_VOICE_WAKEUP_APP_ID_V2
&& session_data.app_id > 0)
prtd->lsm_client->app_id = session_data.app_id;
else {
pr_err("%s:Invalid App id for Listen client\n",
__func__);
rc = -EINVAL;
}
} else {
pr_err("%s: LSM Priv data is NULL\n", __func__);
rc = -EINVAL;
}
break;
case SNDRV_LSM_REG_SND_MODEL_V2:
pr_debug("%s: Registering sound model V2\n", __func__);
memcpy(&snd_model_v2, arg,
sizeof(struct snd_lsm_sound_model_v2));
if (snd_model_v2.num_confidence_levels >
MAX_NUM_CONFIDENCE) {
pr_err("%s: Invalid conf_levels = %d, maximum allowed = %d\n",
__func__, snd_model_v2.num_confidence_levels,
MAX_NUM_CONFIDENCE);
rc = -EINVAL;
break;
}
prtd->lsm_client->snd_model_ver_inuse = SND_MODEL_IN_USE_V2;
rc = q6lsm_snd_model_buf_alloc(prtd->lsm_client,
snd_model_v2.data_size);
if (rc) {
pr_err("%s: q6lsm buffer alloc failed V2, size %d\n",
__func__, snd_model_v2.data_size);
break;
}
if (copy_from_user(prtd->lsm_client->sound_model.data,
snd_model_v2.data, snd_model_v2.data_size)) {
pr_err("%s: copy from user data failed\n"
"data %p size %d\n", __func__,
snd_model_v2.data, snd_model_v2.data_size);
rc = -EFAULT;
}
pr_debug("SND Model Magic no byte[0] %x,\n"
"byte[1] %x, byte[2] %x byte[3] %x\n",
snd_model_v2.data[0], snd_model_v2.data[1],
snd_model_v2.data[2], snd_model_v2.data[3]);
prtd->lsm_client->num_confidence_levels =
snd_model_v2.num_confidence_levels;
rc = msm_lsm_get_conf_levels(prtd->lsm_client,
snd_model_v2.confidence_level);
if (rc) {
pr_err("%s: get_conf_levels failed, err = %d\n",
__func__, rc);
break;
}
rc = q6lsm_register_sound_model(prtd->lsm_client,
snd_model_v2.detection_mode,
snd_model_v2.detect_failure);
if (rc < 0) {
pr_err("%s: Register snd Model v2 failed =%d\n",
__func__, rc);
kfree(confidence_level);
q6lsm_snd_model_buf_free(prtd->lsm_client);
}
kfree(prtd->lsm_client->confidence_levels);
prtd->lsm_client->confidence_levels = NULL;
break;
case SNDRV_LSM_SET_PARAMS:
if (!arg) {
pr_err("%s: %s Invalid argument\n",
__func__, "SNDRV_LSM_SET_PARAMS");
return -EINVAL;
}
memcpy(&det_params, arg,
sizeof(det_params));
if (det_params.num_confidence_levels >
MAX_NUM_CONFIDENCE) {
rc = -EINVAL;
break;
}
prtd->lsm_client->num_confidence_levels =
det_params.num_confidence_levels;
rc = msm_lsm_get_conf_levels(prtd->lsm_client,
det_params.conf_level);
if (rc) {
pr_err("%s: Failed to get conf_levels, err = %d\n",
__func__, rc);
break;
}
rc = q6lsm_set_data(prtd->lsm_client,
det_params.detect_mode,
det_params.detect_failure);
if (rc)
pr_err("%s: Failed to set params, err = %d\n",
__func__, rc);
kfree(prtd->lsm_client->confidence_levels);
prtd->lsm_client->confidence_levels = NULL;
break;
case SNDRV_LSM_REG_SND_MODEL:
pr_debug("%s: Registering sound model\n", __func__);
memcpy(&snd_model, arg, sizeof(struct snd_lsm_sound_model));
prtd->lsm_client->snd_model_ver_inuse = SND_MODEL_IN_USE_V1;
rc = q6lsm_snd_model_buf_alloc(prtd->lsm_client,
snd_model.data_size);
if (rc) {
pr_err("%s: q6lsm buffer alloc failed, size %d\n",
__func__, snd_model.data_size);
break;
}
if (copy_from_user(prtd->lsm_client->sound_model.data,
snd_model.data, snd_model.data_size)) {
pr_err("%s: copy from user data failed data %p size %d\n",
__func__, snd_model.data, snd_model.data_size);
rc = -EFAULT;
break;
}
rc = q6lsm_set_kw_sensitivity_level(prtd->lsm_client,
snd_model.min_keyw_confidence,
snd_model.min_user_confidence);
if (rc) {
pr_err("%s: Error in KW sensitivity %x", __func__, rc);
break;
}
rc = q6lsm_register_sound_model(prtd->lsm_client,
snd_model.detection_mode,
snd_model.detect_failure);
if (rc < 0) {
pr_err("%s: q6lsm_register_sound_model failed =%d\n",
__func__, rc);
q6lsm_snd_model_buf_free(prtd->lsm_client);
}
break;
case SNDRV_LSM_DEREG_SND_MODEL:
pr_debug("%s: Deregistering sound model\n", __func__);
rc = q6lsm_deregister_sound_model(prtd->lsm_client);
break;
case SNDRV_LSM_EVENT_STATUS:
pr_debug("%s: Get event status\n", __func__);
atomic_set(&prtd->event_wait_stop, 0);
rc = wait_event_interruptible(prtd->event_wait,
(cmpxchg(&prtd->event_avail, 1, 0) ||
(xchg = atomic_cmpxchg(&prtd->event_wait_stop,
1, 0))));
pr_debug("%s: wait_event_interruptible %d event_wait_stop %d\n",
__func__, rc, xchg);
if (!rc && !xchg) {
pr_debug("%s: New event available %ld\n", __func__,
prtd->event_avail);
spin_lock_irqsave(&prtd->event_lock, flags);
if (prtd->event_status)
size = sizeof(*(prtd->event_status)) +
prtd->event_status->payload_size;
spin_unlock_irqrestore(&prtd->event_lock, flags);
if (user->payload_size <
prtd->event_status->payload_size) {
pr_debug("%s: provided %dbytes isn't enough, needs %dbytes\n",
__func__, user->payload_size,
prtd->event_status->payload_size);
rc = -ENOMEM;
} else
memcpy(user, prtd->event_status, size);
} else if (xchg) {
pr_debug("%s: Wait aborted\n", __func__);
rc = 0;
}
break;
case SNDRV_LSM_ABORT_EVENT:
pr_debug("%s: Aborting event status wait\n", __func__);
atomic_set(&prtd->event_wait_stop, 1);
wake_up(&prtd->event_wait);
break;
case SNDRV_LSM_START:
pr_debug("%s: Starting LSM client session\n", __func__);
if (!prtd->lsm_client->started) {
ret = q6lsm_start(prtd->lsm_client, true);
if (!ret) {
prtd->lsm_client->started = true;
pr_debug("%s: LSM client session started\n",
__func__);
}
}
break;
case SNDRV_LSM_STOP:
pr_debug("%s: Stopping LSM client session\n", __func__);
if (prtd->lsm_client->started) {
ret = q6lsm_stop(prtd->lsm_client, true);
if (!ret)
pr_debug("%s: LSM client session stopped %d\n",
__func__, ret);
prtd->lsm_client->started = false;
}
break;
default:
pr_debug("%s: Falling into default snd_lib_ioctl cmd 0x%x\n",
__func__, cmd);
rc = snd_pcm_lib_ioctl(substream, cmd, arg);
break;
}
if (!rc)
pr_debug("%s: leave (%d)\n", __func__, rc);
else
pr_err("%s: cmd 0x%x failed %d\n", __func__, cmd, rc);
return rc;
}
static int snd_cobalt_pcm_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
return snd_pcm_lib_ioctl(substream, cmd, arg);
}
static int msm_lsm_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
unsigned long flags;
int ret;
struct snd_lsm_sound_model snd_model;
int rc = 0;
int xchg = 0;
int size = 0;
struct snd_lsm_event_status *event_status = NULL;
struct snd_pcm_runtime *runtime = substream->runtime;
struct lsm_priv *prtd = runtime->private_data;
struct snd_lsm_event_status *user = arg;
pr_debug("%s: enter cmd %x\n", __func__, cmd);
switch (cmd) {
case SNDRV_LSM_REG_SND_MODEL:
pr_debug("%s: Registering sound model\n", __func__);
if (copy_from_user(&snd_model, (void *)arg,
sizeof(struct snd_lsm_sound_model))) {
rc = -EFAULT;
pr_err("%s: copy from user failed, size %d\n", __func__,
sizeof(struct snd_lsm_sound_model));
break;
}
rc = q6lsm_snd_model_buf_alloc(prtd->lsm_client,
snd_model.data_size);
if (rc) {
pr_err("%s: q6lsm buffer alloc failed, size %d\n",
__func__, snd_model.data_size);
break;
}
if (copy_from_user(prtd->lsm_client->sound_model.data,
snd_model.data, snd_model.data_size)) {
pr_err("%s: copy from user data failed data %p size %d\n",
__func__, snd_model.data, snd_model.data_size);
rc = -EFAULT;
break;
}
rc = q6lsm_register_sound_model(prtd->lsm_client,
snd_model.detection_mode,
snd_model.min_keyw_confidence,
snd_model.min_user_confidence,
snd_model.detect_failure);
if (rc < 0)
pr_err("%s: q6lsm_register_sound_model failed =%d\n",
__func__, rc);
break;
case SNDRV_LSM_DEREG_SND_MODEL:
pr_debug("%s: Deregistering sound model\n", __func__);
rc = q6lsm_deregister_sound_model(prtd->lsm_client);
break;
case SNDRV_LSM_EVENT_STATUS:
pr_debug("%s: Get event status\n", __func__);
atomic_set(&prtd->event_wait_stop, 0);
rc = wait_event_interruptible(prtd->event_wait,
(cmpxchg(&prtd->event_avail, 1, 0) ||
(xchg = atomic_cmpxchg(&prtd->event_wait_stop,
1, 0))));
pr_debug("%s: wait_event_interruptible %d event_wait_stop %d\n",
__func__, rc, xchg);
if (!rc && !xchg) {
pr_debug("%s: New event available %ld\n", __func__,
prtd->event_avail);
spin_lock_irqsave(&prtd->event_lock, flags);
if (prtd->event_status) {
size = sizeof(*event_status) +
prtd->event_status->payload_size;
event_status = kmemdup(prtd->event_status, size,
GFP_ATOMIC);
}
spin_unlock_irqrestore(&prtd->event_lock, flags);
if (!event_status) {
pr_err("%s: Couldn't allocate %d bytes\n",
__func__, size);
/*
* Don't use -ENOMEM as userspace will check
* it for increasing buffer
*/
rc = -EFAULT;
} else {
if (user->payload_size <
event_status->payload_size) {
pr_debug("%s: provided %dbytes isn't enough, needs %dbytes\n",
__func__, user->payload_size,
size);
rc = -ENOMEM;
} else if (!access_ok(VERIFY_WRITE, arg,
size)) {
rc = -EFAULT;
} else {
rc = copy_to_user(arg, event_status,
size);
if (rc)
pr_err("%s: copy to user failed %d\n",
__func__, rc);
}
kfree(event_status);
}
} else if (xchg) {
pr_debug("%s: Wait aborted\n", __func__);
rc = 0;
}
break;
case SNDRV_LSM_ABORT_EVENT:
pr_debug("%s: Aborting event status wait\n", __func__);
atomic_set(&prtd->event_wait_stop, 1);
wake_up(&prtd->event_wait);
break;
case SNDRV_LSM_START:
pr_debug("%s: Starting LSM client session\n", __func__);
if (!prtd->lsm_client->started) {
ret = q6lsm_start(prtd->lsm_client, true);
if (!ret) {
prtd->lsm_client->started = true;
pr_debug("%s: LSM client session started\n",
__func__);
}
}
break;
case SNDRV_LSM_STOP:
pr_debug("%s: Stopping LSM client session\n", __func__);
if (prtd->lsm_client->started) {
ret = q6lsm_stop(prtd->lsm_client, true);
if (!ret)
pr_debug("%s: LSM client session stopped %d\n",
__func__, ret);
prtd->lsm_client->started = false;
}
break;
default:
pr_debug("%s: Falling into default snd_lib_ioctl cmd 0x%x\n",
__func__, cmd);
rc = snd_pcm_lib_ioctl(substream, cmd, arg);
break;
}
if (!rc)
pr_debug("%s: leave (%d)\n", __func__, rc);
else
pr_err("%s: cmd 0x%x failed %d\n", __func__, cmd, rc);
return rc;
}
static int msm_lsm_ioctl_shared(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
unsigned long flags;
int ret;
struct snd_lsm_sound_model snd_model;
struct snd_lsm_sound_model_v2 snd_model_v2;
struct snd_lsm_session_data session_data;
int rc = 0;
int xchg = 0;
u32 size = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
struct lsm_priv *prtd = runtime->private_data;
struct snd_lsm_event_status *user = arg;
struct snd_lsm_detection_params det_params;
uint8_t *confidence_level = NULL;
pr_debug("%s: enter cmd %x\n", __func__, cmd);
switch (cmd) {
case SNDRV_LSM_SET_SESSION_DATA:
pr_debug("%s: set Session data\n", __func__);
memcpy(&session_data, arg,
sizeof(struct snd_lsm_session_data));
if (prtd) {
if (session_data.app_id <= LSM_VOICE_WAKEUP_APP_ID_V2
&& session_data.app_id > 0) {
prtd->lsm_client->app_id = session_data.app_id;
ret = q6lsm_open(prtd->lsm_client,
prtd->lsm_client->app_id);
if (ret < 0) {
pr_err("%s: lsm open failed, %d\n",
__func__, ret);
q6lsm_client_free(prtd->lsm_client);
kfree(prtd);
return ret;
}
pr_debug("%s: Session ID %d\n", __func__,
prtd->lsm_client->session);
} else {
pr_err("%s:Invalid App id for Listen client\n",
__func__);
rc = -EINVAL;
}
} else {
pr_err("%s: LSM Priv data is NULL\n", __func__);
rc = -EINVAL;
}
break;
case SNDRV_LSM_REG_SND_MODEL_V2:
pr_debug("%s: Registering sound model V2\n", __func__);
memcpy(&snd_model_v2, arg,
sizeof(struct snd_lsm_sound_model_v2));
if (snd_model_v2.num_confidence_levels >
MAX_NUM_CONFIDENCE) {
pr_err("%s: Invalid conf_levels = %d, maximum allowed = %d\n",
__func__, snd_model_v2.num_confidence_levels,
MAX_NUM_CONFIDENCE);
rc = -EINVAL;
break;
}
prtd->lsm_client->snd_model_ver_inuse = SND_MODEL_IN_USE_V2;
rc = q6lsm_snd_model_buf_alloc(prtd->lsm_client,
snd_model_v2.data_size);
if (rc) {
pr_err("%s: q6lsm buffer alloc failed V2, size %d\n",
__func__, snd_model_v2.data_size);
break;
}
if (copy_from_user(prtd->lsm_client->sound_model.data,
snd_model_v2.data, snd_model_v2.data_size)) {
pr_err("%s: copy from user data failed\n"
"data %p size %d\n", __func__,
snd_model_v2.data, snd_model_v2.data_size);
q6lsm_snd_model_buf_free(prtd->lsm_client);
rc = -EFAULT;
break;
}
pr_debug("SND Model Magic no byte[0] %x,\n"
"byte[1] %x, byte[2] %x byte[3] %x\n",
snd_model_v2.data[0], snd_model_v2.data[1],
snd_model_v2.data[2], snd_model_v2.data[3]);
prtd->lsm_client->num_confidence_levels =
snd_model_v2.num_confidence_levels;
rc = msm_lsm_get_conf_levels(prtd->lsm_client,
snd_model_v2.confidence_level);
if (rc) {
pr_err("%s: get_conf_levels failed, err = %d\n",
__func__, rc);
break;
}
rc = q6lsm_register_sound_model(prtd->lsm_client,
snd_model_v2.detection_mode,
snd_model_v2.detect_failure);
if (rc < 0) {
pr_err("%s: Register snd Model v2 failed =%d\n",
__func__, rc);
kfree(confidence_level);
q6lsm_snd_model_buf_free(prtd->lsm_client);
}
kfree(prtd->lsm_client->confidence_levels);
prtd->lsm_client->confidence_levels = NULL;
break;
case SNDRV_LSM_SET_PARAMS:
if (!arg) {
pr_err("%s: %s Invalid argument\n",
__func__, "SNDRV_LSM_SET_PARAMS");
return -EINVAL;
}
memcpy(&det_params, arg,
sizeof(det_params));
if (det_params.num_confidence_levels >
MAX_NUM_CONFIDENCE) {
rc = -EINVAL;
break;
}
prtd->lsm_client->num_confidence_levels =
det_params.num_confidence_levels;
rc = msm_lsm_get_conf_levels(prtd->lsm_client,
det_params.conf_level);
if (rc) {
pr_err("%s: Failed to get conf_levels, err = %d\n",
__func__, rc);
break;
}
rc = q6lsm_set_data(prtd->lsm_client,
det_params.detect_mode,
det_params.detect_failure);
if (rc)
pr_err("%s: Failed to set params, err = %d\n",
__func__, rc);
kfree(prtd->lsm_client->confidence_levels);
prtd->lsm_client->confidence_levels = NULL;
break;
case SNDRV_LSM_REG_SND_MODEL:
pr_debug("%s: Registering sound model\n", __func__);
memcpy(&snd_model, arg, sizeof(struct snd_lsm_sound_model));
prtd->lsm_client->snd_model_ver_inuse = SND_MODEL_IN_USE_V1;
rc = q6lsm_snd_model_buf_alloc(prtd->lsm_client,
snd_model.data_size);
if (rc) {
pr_err("%s: q6lsm buffer alloc failed, size %d\n",
__func__, snd_model.data_size);
break;
}
if (copy_from_user(prtd->lsm_client->sound_model.data,
snd_model.data, snd_model.data_size)) {
pr_err("%s: copy from user data failed data %p size %d\n",
__func__, snd_model.data, snd_model.data_size);
rc = -EFAULT;
q6lsm_snd_model_buf_free(prtd->lsm_client);
break;
}
rc = q6lsm_set_kw_sensitivity_level(prtd->lsm_client,
snd_model.min_keyw_confidence,
snd_model.min_user_confidence);
if (rc) {
pr_err("%s: Error in KW sensitivity %x", __func__, rc);
q6lsm_snd_model_buf_free(prtd->lsm_client);
break;
}
rc = q6lsm_register_sound_model(prtd->lsm_client,
snd_model.detection_mode,
snd_model.detect_failure);
if (rc < 0) {
pr_err("%s: q6lsm_register_sound_model failed =%d\n",
__func__, rc);
q6lsm_snd_model_buf_free(prtd->lsm_client);
}
break;
case SNDRV_LSM_DEREG_SND_MODEL:
pr_debug("%s: Deregistering sound model\n", __func__);
rc = q6lsm_deregister_sound_model(prtd->lsm_client);
break;
case SNDRV_LSM_EVENT_STATUS:
pr_debug("%s: Get event status\n", __func__);
atomic_set(&prtd->event_wait_stop, 0);
rc = wait_event_freezable(prtd->event_wait,
(cmpxchg(&prtd->event_avail, 1, 0) ||
(xchg = atomic_cmpxchg(&prtd->event_wait_stop,
1, 0))));
pr_debug("%s: wait_event_freezable %d event_wait_stop %d\n",
__func__, rc, xchg);
if (!rc && !xchg) {
pr_debug("%s: New event available %ld\n", __func__,
prtd->event_avail);
spin_lock_irqsave(&prtd->event_lock, flags);
if (prtd->event_status) {
size = sizeof(*(prtd->event_status)) +
prtd->event_status->payload_size;
spin_unlock_irqrestore(&prtd->event_lock,
flags);
} else {
spin_unlock_irqrestore(&prtd->event_lock,
flags);
rc = -EINVAL;
pr_err("%s: prtd->event_status is NULL\n",
__func__);
break;
}
if (user->payload_size <
prtd->event_status->payload_size) {
pr_debug("%s: provided %dbytes isn't enough, needs %dbytes\n",
__func__, user->payload_size,
prtd->event_status->payload_size);
rc = -ENOMEM;
} else {
memcpy(user, prtd->event_status, size);
if (prtd->lsm_client->lab_enable
&& atomic_read(&prtd->read_abort)
&& prtd->event_status->status ==
LSM_VOICE_WAKEUP_STATUS_DETECTED) {
atomic_set(&prtd->read_abort, 0);
atomic_set(&prtd->buf_count, 0);
prtd->appl_cnt = 0;
prtd->dma_write = 0;
rc = msm_lsm_queue_lab_buffer(prtd,
0);
if (rc)
pr_err("%s: Queue buffer failed for lab rc = %d\n",
__func__, rc);
else
prtd->lsm_client->lab_started
= true;
}
}
} else if (xchg) {
pr_debug("%s: Wait aborted\n", __func__);
rc = 0;
}
break;
case SNDRV_LSM_ABORT_EVENT:
pr_debug("%s: Aborting event status wait\n", __func__);
atomic_set(&prtd->event_wait_stop, 1);
wake_up(&prtd->event_wait);
break;
case SNDRV_LSM_START:
pr_debug("%s: Starting LSM client session\n", __func__);
if (!prtd->lsm_client->started) {
if (prtd->lsm_client->lab_enable &&
!prtd->lsm_client->lab_started) {
atomic_set(&prtd->read_abort, 0);
/* Push the first period buffer */
ret = msm_lsm_queue_lab_buffer(prtd, 0);
if (ret) {
pr_err("%s: failed to queue buffers for LAB read %d\n"
, __func__, ret);
break;
}
prtd->lsm_client->lab_started = true;
}
ret = q6lsm_start(prtd->lsm_client, true);
if (!ret) {
prtd->lsm_client->started = true;
pr_debug("%s: LSM client session started\n",
__func__);
}
}
break;
case SNDRV_LSM_STOP: {
pr_debug("%s: Stopping LSM client session\n", __func__);
if (prtd->lsm_client->started) {
if (prtd->lsm_client->lab_enable) {
atomic_set(&prtd->read_abort, 1);
if (prtd->lsm_client->lab_started) {
ret = q6lsm_stop_lab(prtd->lsm_client);
if (ret)
pr_err("%s: stop lab failed ret %d\n",
__func__, ret);
prtd->lsm_client->lab_started = false;
}
ret = msm_lsm_lab_buffer_alloc(prtd,
LAB_BUFFER_DEALLOC);
if (ret)
pr_err("%s: lab buffer de-alloc failed rc %d",
__func__, rc);
}
ret = q6lsm_stop(prtd->lsm_client, true);
if (!ret)
pr_debug("%s: LSM client session stopped %d\n",
__func__, ret);
prtd->lsm_client->started = false;
}
break;
}
case SNDRV_LSM_LAB_CONTROL: {
u32 *enable = NULL;
pr_debug("%s: ioctl %s\n", __func__, "SNDRV_LSM_LAB_CONTROL");
if (!arg) {
pr_err("%s: Invalid param arg for ioctl %s session %d\n",
__func__, "SNDRV_LSM_LAB_CONTROL",
prtd->lsm_client->session);
rc = -EINVAL;
break;
}
enable = (int *)arg;
if (!prtd->lsm_client->started) {
if (prtd->lsm_client->lab_enable == *enable) {
pr_info("%s: Lab for session %d already %s\n",
__func__, prtd->lsm_client->session,
((*enable) ? "enabled" : "disabled"));
rc = 0;
break;
}
rc = q6lsm_lab_control(prtd->lsm_client, *enable);
if (rc)
pr_err("%s: ioctl %s failed rc %d to %s lab for session %d\n",
__func__, "SNDRV_LAB_CONTROL", rc,
((*enable) ? "enable" : "disable"),
prtd->lsm_client->session);
else {
rc = msm_lsm_lab_buffer_alloc(prtd,
((*enable) ? LAB_BUFFER_ALLOC
: LAB_BUFFER_DEALLOC));
if (rc)
pr_err("%s: msm_lsm_lab_buffer_alloc failed rc %d for %s",
__func__, rc,
((*enable) ? "ALLOC" : "DEALLOC"));
if (!rc)
prtd->lsm_client->lab_enable = *enable;
}
} else {
pr_err("%s: ioctl %s issued after start", __func__
, "SNDRV_LSM_LAB_CONTROL");
rc = -EINVAL;
}
break;
}
case SNDRV_LSM_STOP_LAB:
if (prtd->lsm_client->lab_enable &&
prtd->lsm_client->lab_started) {
atomic_set(&prtd->read_abort, 1);
rc = q6lsm_stop_lab(prtd->lsm_client);
if (rc)
pr_err("%s: Lab stop failed for session %d rc %d\n"
, __func__, prtd->lsm_client->session, rc);
prtd->lsm_client->lab_started = false;
}
break;
default:
pr_debug("%s: Falling into default snd_lib_ioctl cmd 0x%x\n",
__func__, cmd);
rc = snd_pcm_lib_ioctl(substream, cmd, arg);
break;
}
if (!rc)
pr_debug("%s: leave (%d)\n", __func__, rc);
else
pr_err("%s: cmd 0x%x failed %d\n", __func__, cmd, rc);
return rc;
}
/*
* msm_cpe_lsm_ioctl: IOCTL for this platform driver
* @substream: ASoC substream for which the operation is invoked
* @cmd: command for the ioctl
* @arg: argument for the ioctl
*
* Perform dedicated listen functions like register sound model,
* deregister sound model, etc
*/
static int msm_cpe_lsm_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
struct snd_lsm_sound_model_v2 snd_model;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct cpe_lsm_data *lsm_d = cpe_get_lsm_data(substream);
struct cpe_priv *cpe = cpe_get_private_data(substream);
struct cpe_lsm_session *session;
struct wcd_cpe_lsm_ops *lsm_ops;
struct snd_lsm_event_status *event_status = NULL;
struct snd_lsm_event_status u_event_status;
int rc = 0, u_pld_size = 0;
if (!cpe || !cpe->core_handle) {
dev_err(rtd->dev,
"%s: Invalid private data\n",
__func__);
return -EINVAL;
}
if (!lsm_d || !lsm_d->lsm_session) {
dev_err(rtd->dev,
"%s: Invalid session data\n",
__func__);
return -EINVAL;
}
session = lsm_d->lsm_session;
lsm_ops = &cpe->lsm_ops;
dev_dbg(rtd->dev, "%s: cmd = %u\n",
__func__, cmd);
switch (cmd) {
case SNDRV_LSM_REG_SND_MODEL_V2:
if (copy_from_user(&snd_model, (void *)arg,
sizeof(struct snd_lsm_sound_model_v2))) {
dev_err(rtd->dev,
"%s: copy from user failed, size %zd\n",
__func__,
sizeof(struct snd_lsm_sound_model_v2));
return -EFAULT;
}
if (snd_model.num_confidence_levels <= 0) {
dev_err(rtd->dev,
"%s: Invalid number of confidence levels %u\n",
__func__, snd_model.num_confidence_levels);
return -EINVAL;
}
session->conf_levels = kzalloc(snd_model.num_confidence_levels,
GFP_KERNEL);
if (!session->conf_levels) {
dev_err(rtd->dev,
"%s: No memory for confidence levels %u\n",
__func__, snd_model.num_confidence_levels);
return -ENOMEM;
}
if (copy_from_user(session->conf_levels,
snd_model.confidence_level,
snd_model.num_confidence_levels)) {
dev_err(rtd->dev,
"%s: copy_from_user failed for confidence levels %u\n",
__func__, snd_model.num_confidence_levels);
kfree(session->conf_levels);
return -EFAULT;
}
session->num_confidence_levels =
snd_model.num_confidence_levels;
session->snd_model_data = kzalloc(snd_model.data_size,
GFP_KERNEL);
if (!session->snd_model_data) {
dev_err(rtd->dev, "%s: No memory for sound model\n",
__func__);
kfree(session->conf_levels);
return -ENOMEM;
}
session->snd_model_size = snd_model.data_size;
if (copy_from_user(session->snd_model_data,
snd_model.data, snd_model.data_size)) {
dev_err(rtd->dev,
"%s: copy_from_user failed for snd_model\n",
__func__);
kfree(session->conf_levels);
kfree(session->snd_model_data);
return -EFAULT;
}
rc = lsm_ops->lsm_shmem_alloc(cpe->core_handle, session,
session->snd_model_size);
if (rc != 0) {
dev_err(rtd->dev,
"%s: shared memory allocation failed, err = %d\n",
__func__, rc);
kfree(session->snd_model_data);
kfree(session->conf_levels);
return rc;
}
rc = lsm_ops->lsm_register_snd_model(cpe->core_handle, session,
snd_model.detection_mode,
snd_model.detect_failure);
if (rc != 0) {
dev_err(rtd->dev,
"%s: snd_model_reg failed, err = %d\n",
__func__, rc);
lsm_ops->lsm_shmem_dealloc(cpe->core_handle, session);
kfree(session->snd_model_data);
kfree(session->conf_levels);
return rc;
}
break;
case SNDRV_LSM_DEREG_SND_MODEL:
rc = lsm_ops->lsm_deregister_snd_model(
cpe->core_handle, session);
if (rc != 0) {
dev_err(rtd->dev,
"%s: snd_model de-reg failed, err = %d\n",
__func__, rc);
return rc;
}
kfree(session->snd_model_data);
kfree(session->conf_levels);
rc = lsm_ops->lsm_shmem_dealloc(cpe->core_handle, session);
if (rc != 0) {
dev_err(rtd->dev,
"%s: LSM shared memory dealloc failed, err = %d\n",
__func__, rc);
return rc;
}
break;
case SNDRV_LSM_EVENT_STATUS:
if (copy_from_user(&u_event_status, (void *)arg,
sizeof(struct snd_lsm_event_status))) {
dev_err(rtd->dev,
"%s: event status copy from user failed, size %zd\n",
__func__,
sizeof(struct snd_lsm_event_status));
return -EFAULT;
}
u_pld_size = sizeof(struct snd_lsm_event_status) +
u_event_status.payload_size;
event_status = kzalloc(u_pld_size, GFP_KERNEL);
if (!event_status) {
dev_err(rtd->dev,
"%s: No memory for event status\n",
__func__);
return -ENOMEM;
}
rc = wait_event_interruptible(lsm_d->event_wait,
(atomic_read(&lsm_d->event_avail) == 1) ||
(atomic_read(&lsm_d->event_stop) == 1));
if (!rc) {
if (atomic_read(&lsm_d->event_avail) == 1) {
rc = 0;
atomic_set(&lsm_d->event_avail, 0);
if (lsm_d->ev_det_pld_size >
u_event_status.payload_size) {
dev_err(rtd->dev,
"%s: avail pld_bytes = %u, needed = %u\n",
__func__,
u_event_status.payload_size,
lsm_d->ev_det_pld_size);
kfree(event_status);
return -EINVAL;
}
event_status->status = lsm_d->ev_det_status;
event_status->payload_size =
lsm_d->ev_det_pld_size;
memcpy(event_status->payload,
lsm_d->ev_det_payload,
lsm_d->ev_det_pld_size);
if (copy_to_user(arg, event_status,
u_pld_size)) {
dev_err(rtd->dev,
"%s: copy to user failed\n",
__func__);
kfree(event_status);
return -EFAULT;
}
msm_cpe_process_event_status_done(lsm_d);
} else if (atomic_read(&lsm_d->event_stop) == 1) {
dev_dbg(rtd->dev,
"%s: wait_aborted\n", __func__);
rc = 0;
}
}
kfree(event_status);
break;
case SNDRV_LSM_ABORT_EVENT:
atomic_set(&lsm_d->event_stop, 1);
wake_up(&lsm_d->event_wait);
break;
case SNDRV_LSM_START:
rc = lsm_ops->lsm_start(cpe->core_handle, session);
if (rc != 0) {
dev_err(rtd->dev,
"%s: lsm_start fail, err = %d\n",
__func__, rc);
return rc;
}
break;
case SNDRV_LSM_STOP:
rc = lsm_ops->lsm_stop(cpe->core_handle, session);
if (rc != 0) {
dev_err(rtd->dev,
"%s: lsm_stop fail err = %d\n",
__func__, rc);
return rc;
}
break;
default:
dev_dbg(rtd->dev, "%s: Default snd_lib_ioctl cmd 0x%x\n",
__func__, cmd);
rc = snd_pcm_lib_ioctl(substream, cmd, arg);
}
return rc;
}