static int audio_open(struct inode *inode, struct file *file)
{
struct q6audio_aio *audio = NULL;
int rc = 0;
struct asm_softpause_params softpause = {
.enable = SOFT_PAUSE_ENABLE,
.period = SOFT_PAUSE_PERIOD * 3,
.step = SOFT_PAUSE_STEP,
.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
};
struct asm_softvolume_params softvol = {
.period = SOFT_VOLUME_PERIOD,
.step = SOFT_VOLUME_STEP,
.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
};
#ifdef CONFIG_DEBUG_FS
/* 4 bytes represents decoder number, 1 byte for terminate string */
char name[sizeof "msm_mp3_" + 5];
#endif
audio = kzalloc(sizeof(struct q6audio_aio), GFP_KERNEL);
if (audio == NULL) {
pr_err("Could not allocate memory for mp3 decode driver\n");
return -ENOMEM;
}
audio->pcm_cfg.buffer_size = PCM_BUFSZ_MIN;
audio->ac = q6asm_audio_client_alloc((app_cb) q6_audio_cb,
(void *)audio);
if (!audio->ac) {
pr_err("Could not allocate memory for audio client\n");
kfree(audio);
return -ENOMEM;
}
/* open in T/NT mode */
if ((file->f_mode & FMODE_WRITE) && (file->f_mode & FMODE_READ)) {
rc = q6asm_open_read_write(audio->ac, FORMAT_LINEAR_PCM,
FORMAT_MP3);
if (rc < 0) {
pr_err("NT mode Open failed rc=%d\n", rc);
rc = -ENODEV;
goto fail;
}
audio->feedback = NON_TUNNEL_MODE;
/* open MP3 decoder, expected frames is always 1
audio->buf_cfg.frames_per_buf = 0x01;*/
audio->buf_cfg.meta_info_enable = 0x01;
} else if ((file->f_mode & FMODE_WRITE) &&
!(file->f_mode & FMODE_READ)) {
rc = q6asm_open_write(audio->ac, FORMAT_MP3);
if (rc < 0) {
pr_err("T mode Open failed rc=%d\n", rc);
rc = -ENODEV;
goto fail;
}
audio->feedback = TUNNEL_MODE;
audio->buf_cfg.meta_info_enable = 0x00;
} else {
pr_err("Not supported mode\n");
rc = -EACCES;
goto fail;
}
rc = audio_aio_open(audio, file);
#ifdef CONFIG_DEBUG_FS
snprintf(name, sizeof name, "msm_mp3_%04x", audio->ac->session);
audio->dentry = debugfs_create_file(name, S_IFREG | S_IRUGO,
NULL, (void *)audio,
&audio_mp3_debug_fops);
if (IS_ERR(audio->dentry))
pr_debug("debugfs_create_file failed\n");
#endif
if (softpause.rampingcurve == SOFT_PAUSE_CURVE_LINEAR)
softpause.step = SOFT_PAUSE_STEP_LINEAR;
if (softvol.rampingcurve == SOFT_VOLUME_CURVE_LINEAR)
softvol.step = SOFT_VOLUME_STEP_LINEAR;
rc = q6asm_set_volume(audio->ac, 0);
if (rc < 0)
pr_err("%s: Send Volume command failed rc=%d\n",
__func__, rc);
rc = q6asm_set_softpause(audio->ac, &softpause);
if (rc < 0)
pr_err("%s: Send SoftPause Param failed rc=%d\n",
__func__, rc);
rc = q6asm_set_softvolume(audio->ac, &softvol);
if (rc < 0)
pr_err("%s: Send SoftVolume Param failed rc=%d\n",
__func__, rc);
/* disable mute by default */
rc = q6asm_set_mute(audio->ac, 0);
if (rc < 0)
pr_err("%s: Send mute command failed rc=%d\n",
__func__, rc);
pr_info("%s:mp3dec success mode[%d]session[%d]\n", __func__,
audio->feedback,
audio->ac->session);
return rc;
fail:
q6asm_audio_client_free(audio->ac);
kfree(audio);
return rc;
}
static const struct file_operations audio_mp3_fops = {
.owner = THIS_MODULE,
.open = audio_open,
.release = audio_aio_release,
.unlocked_ioctl = audio_ioctl,
.fsync = audio_aio_fsync,
};
struct miscdevice audio_mp3_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = "msm_mp3",
.fops = &audio_mp3_fops,
};
static int __init audio_mp3_init(void)
{
return misc_register(&audio_mp3_misc);
}
device_initcall(audio_mp3_init);
static int msm_compr_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
struct compr_audio *compr;
struct msm_audio *prtd;
struct asm_softpause_params softpause = {
.enable = SOFT_PAUSE_ENABLE,
.period = SOFT_PAUSE_PERIOD,
.step = SOFT_PAUSE_STEP,
.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
};
struct asm_softvolume_params softvol = {
.period = SOFT_VOLUME_PERIOD,
.step = SOFT_VOLUME_STEP,
.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
};
int ret = 0;
/* Capture path */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return -EINVAL;
pr_debug("[AUD]%s\n", __func__);
compr = kzalloc(sizeof(struct compr_audio), GFP_KERNEL);
if (compr == NULL) {
pr_err("[AUD]Failed to allocate memory for msm_audio\n");
return -ENOMEM;
}
prtd = &compr->prtd;
prtd->substream = substream;
prtd->audio_client = q6asm_audio_client_alloc(
(app_cb)compr_event_handler, compr);
if (!prtd->audio_client) {
pr_info("[AUD]%s: Could not allocate memory\n", __func__);
kfree(prtd);
return -ENOMEM;
}
runtime->hw = msm_compr_hardware_playback;
//HTC_AUD +++
/*
* to invoke q6asm_open_write() before opening adm_open()
* issue: LPASS cannot handle data stream properly when switching
* from non-tunnel to tunnel mode
*
* the change fixes data format as MP3 which lost extensiblity
* should be take care when new codecs supported
*/
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ret = q6asm_open_write(prtd->audio_client, FORMAT_MP3);
if (ret < 0) {
pr_err("[AUD]%s: Session out open failed\n", __func__);
q6asm_audio_client_free(prtd->audio_client);
kfree(prtd);
return -ENOMEM;
}
ret = q6asm_set_io_mode(prtd->audio_client, ASYNC_IO_MODE);
if (ret < 0) {
pr_err("[AUD]%s: Set IO mode failed\n", __func__);
q6asm_audio_client_free(prtd->audio_client);
kfree(prtd);
return -ENOMEM;
}
}
//HTC_AUD ---
pr_info("[AUD]%s: session ID %d\n", __func__, prtd->audio_client->session);
prtd->session_id = prtd->audio_client->session;
msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
prtd->session_id, substream->stream);
prtd->cmd_ack = 1;
ret = snd_pcm_hw_constraint_list(runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_list failed\n");
/* Ensure that buffer size is a multiple of period size */
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_integer failed\n");
prtd->dsp_cnt = 0;
atomic_set(&prtd->pending_buffer, 1);
compr->codec = FORMAT_MP3;
populate_codec_list(compr, runtime);
runtime->private_data = compr;
compr_msm_global.prtd = prtd;
compr_set_volume(compr_msm_global.volume);
ret = q6asm_set_softpause(compr_msm_global.prtd->audio_client, &softpause);
if (ret < 0)
pr_err("[AUD]%s: Send SoftPause Param failed ret=%d\n",
__func__, ret);
ret = q6asm_set_softvolume(compr_msm_global.prtd->audio_client, &softvol);
if (ret < 0)
pr_err("[AUD]%s: Send SoftVolume Param failed ret=%d\n",
__func__, ret);
return 0;
}
static int msm_compr_configure_dsp(struct snd_compr_stream *cstream)
{
struct snd_compr_runtime *runtime = cstream->runtime;
struct msm_compr_audio *prtd = runtime->private_data;
struct snd_soc_pcm_runtime *soc_prtd = cstream->private_data;
uint16_t bits_per_sample = 16;
int dir = IN, ret = 0;
struct audio_client *ac = prtd->audio_client;
struct asm_softpause_params softpause = {
.enable = SOFT_PAUSE_ENABLE,
.period = SOFT_PAUSE_PERIOD,
.step = SOFT_PAUSE_STEP,
.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
};
struct asm_softvolume_params softvol = {
.period = SOFT_VOLUME_PERIOD,
.step = SOFT_VOLUME_STEP,
.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
};
pr_debug("%s\n", __func__);
ret = q6asm_stream_open_write_v2(ac,
prtd->codec, bits_per_sample,
ac->stream_id,
prtd->gapless_state.use_dsp_gapless_mode);
if (ret < 0) {
pr_err("%s: Session out open failed\n", __func__);
return -ENOMEM;
}
prtd->gapless_state.stream_opened[ac->stream_id] = 1;
pr_debug("%s be_id %d\n", __func__, soc_prtd->dai_link->be_id);
msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
ac->perf_mode,
prtd->session_id,
SNDRV_PCM_STREAM_PLAYBACK);
ret = msm_compr_set_volume(cstream, 0, 0);
if (ret < 0)
pr_err("%s : Set Volume failed : %d", __func__, ret);
ret = q6asm_set_softpause(ac, &softpause);
if (ret < 0)
pr_err("%s: Send SoftPause Param failed ret=%d\n",
__func__, ret);
ret = q6asm_set_softvolume(ac, &softvol);
if (ret < 0)
pr_err("%s: Send SoftVolume Param failed ret=%d\n",
__func__, ret);
ret = q6asm_set_io_mode(ac, (COMPRESSED_IO | ASYNC_IO_MODE));
if (ret < 0) {
pr_err("%s: Set IO mode failed\n", __func__);
return -EINVAL;
}
runtime->fragments = prtd->codec_param.buffer.fragments;
runtime->fragment_size = prtd->codec_param.buffer.fragment_size;
pr_debug("allocate %d buffers each of size %d\n",
runtime->fragments,
runtime->fragment_size);
ret = q6asm_audio_client_buf_alloc_contiguous(dir, ac,
runtime->fragment_size,
runtime->fragments);
if (ret < 0) {
pr_err("Audio Start: Buffer Allocation failed rc = %d\n", ret);
return -ENOMEM;
}
prtd->byte_offset = 0;
prtd->copied_total = 0;
prtd->app_pointer = 0;
prtd->bytes_received = 0;
prtd->buffer = ac->port[dir].buf[0].data;
prtd->buffer_paddr = ac->port[dir].buf[0].phys;
prtd->buffer_size = runtime->fragments * runtime->fragment_size;
ret = msm_compr_send_media_format_block(cstream, ac->stream_id);
if (ret < 0)
pr_err("%s, failed to send media format block\n", __func__);
return ret;
}
static int msm_compr_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
struct compr_audio *compr;
struct msm_audio *prtd;
struct asm_softpause_params softpause = {
.enable = SOFT_PAUSE_ENABLE,
.period = SOFT_PAUSE_PERIOD,
.step = SOFT_PAUSE_STEP,
.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
};
struct asm_softvolume_params softvol = {
.period = SOFT_VOLUME_PERIOD,
.step = SOFT_VOLUME_STEP,
.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
};
int ret = 0;
/* Capture path */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return -EINVAL;
pr_debug("[AUD]%s\n", __func__);
compr = kzalloc(sizeof(struct compr_audio), GFP_KERNEL);
if (compr == NULL) {
pr_err("[AUD]Failed to allocate memory for msm_audio\n");
return -ENOMEM;
}
prtd = &compr->prtd;
prtd->substream = substream;
prtd->audio_client = q6asm_audio_client_alloc(
(app_cb)compr_event_handler, compr);
if (!prtd->audio_client) {
pr_info("[AUD]%s: Could not allocate memory\n", __func__);
kfree(prtd);
return -ENOMEM;
}
runtime->hw = msm_compr_hardware_playback;
pr_info("[AUD]%s: session ID %d\n", __func__, prtd->audio_client->session);
prtd->session_id = prtd->audio_client->session;
msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
prtd->session_id, substream->stream);
prtd->cmd_ack = 1;
ret = snd_pcm_hw_constraint_list(runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_list failed\n");
/* Ensure that buffer size is a multiple of period size */
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_integer failed\n");
prtd->dsp_cnt = 0;
atomic_set(&prtd->pending_buffer, 1);
compr->codec = FORMAT_MP3;
populate_codec_list(compr, runtime);
runtime->private_data = compr;
compr_msm_global.prtd = prtd;
compr_set_volume(compr_msm_global.volume);
ret = q6asm_set_softpause(compr_msm_global.prtd->audio_client, &softpause);
if (ret < 0)
pr_err("[AUD]%s: Send SoftPause Param failed ret=%d\n",
__func__, ret);
ret = q6asm_set_softvolume(compr_msm_global.prtd->audio_client, &softvol);
if (ret < 0)
pr_err("[AUD]%s: Send SoftVolume Param failed ret=%d\n",
__func__, ret);
return 0;
}