static int snd_imx_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd;
int ret;
iprtd = kzalloc(sizeof(*iprtd), GFP_KERNEL);
runtime->private_data = iprtd;
init_timer(&iprtd->timer);
iprtd->timer.data = (unsigned long)substream;
iprtd->timer.function = imx_ssi_timer_callback;
ret = snd_pcm_hw_constraint_integer(substream->runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
return ret;
snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);
return 0;
}
static int snd_imx_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct imx_pcm_runtime_data *iprtd;
int ret;
iprtd = kzalloc(sizeof(*iprtd), GFP_KERNEL);
if (iprtd == NULL)
return -ENOMEM;
runtime->private_data = iprtd;
ret = snd_pcm_hw_constraint_integer(substream->runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0) {
kfree(iprtd);
return ret;
}
snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);
return 0;
}
static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int ret = 0;
snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
goto out;
if (sport_handle != NULL)
runtime->private_data = sport_handle;
else {
pr_err("sport_handle is NULL\n");
ret = -ENODEV;
}
out:
return ret;
}
static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
int ret;
snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware);
runtime->dma_bytes = lpass_platform_pcm_hardware.buffer_bytes_max;
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0) {
dev_err(soc_runtime->dev, "%s() setting constraints failed: %d\n",
__func__, ret);
return -EINVAL;
}
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
return 0;
}
static int at91_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct at91_runtime_data *prtd;
int ret = 0;
snd_soc_set_runtime_hwparams(substream, &at91_pcm_hardware);
/* 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)
goto out;
prtd = kzalloc(sizeof(struct at91_runtime_data), GFP_KERNEL);
if (prtd == NULL) {
ret = -ENOMEM;
goto out;
}
runtime->private_data = prtd;
out:
return ret;
}
static int hi3620_digital_open(struct snd_pcm_substream *substream)
{
struct hi3620_runtime_data *prtd = NULL;
logd("%s : %s\n", __FUNCTION__,
substream->stream == SNDRV_PCM_STREAM_PLAYBACK
? "PLAYBACK" : "CAPTURE");
prtd = kzalloc(sizeof(struct hi3620_runtime_data), GFP_KERNEL);
if (NULL == prtd) {
loge("%s : kzalloc hi3620_runtime_data error!\n", __FUNCTION__);
return -ENOMEM;
}
spin_lock_init(&prtd->lock);
substream->runtime->private_data = prtd;
if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream)
snd_soc_set_runtime_hwparams(substream, &hi3620_digital_playback);
return 0;
}
static int tegra_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct device *dev = rtd->platform->dev;
struct tegra_runtime_data *prtd;
int ret;
if (rtd->dai_link->no_pcm)
return 0;
prtd = kzalloc(sizeof(struct tegra_runtime_data), GFP_KERNEL);
if (prtd == NULL)
return -ENOMEM;
/* Set HW params now that initialization is complete */
snd_soc_set_runtime_hwparams(substream, &tegra_pcm_hardware);
/* Ensure period size is multiple of 8 */
ret = snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 0x8);
if (ret) {
dev_err(dev, "failed to set constraint %d\n", ret);
kfree(prtd);
return ret;
}
ret = snd_dmaengine_pcm_open_request_chan(substream, NULL, NULL);
if (ret) {
dev_err(dev, "dmaengine pcm open failed with err %d\n", ret);
kfree(prtd);
return ret;
}
snd_dmaengine_pcm_set_data(substream, prtd);
return 0;
}
static int omap_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_dmaengine_dai_dma_data *dma_data;
int ret;
snd_soc_set_runtime_hwparams(substream, &omap_pcm_hardware);
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
/* DT boot: filter_data is the DMA name */
if (rtd->cpu_dai->dev->of_node) {
struct dma_chan *chan;
chan = dma_request_slave_channel(rtd->cpu_dai->dev,
dma_data->filter_data);
ret = snd_dmaengine_pcm_open(substream, chan);
} else {
ret = snd_dmaengine_pcm_open_request_chan(substream,
omap_dma_filter_fn,
dma_data->filter_data);
}
return ret;
}
static int davinci_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct davinci_runtime_data *prtd;
int ret = 0;
snd_soc_set_runtime_hwparams(substream, &davinci_pcm_hardware);
prtd = kzalloc(sizeof(struct davinci_runtime_data), GFP_KERNEL);
if (prtd == NULL)
return -ENOMEM;
spin_lock_init(&prtd->lock);
runtime->private_data = prtd;
ret = davinci_pcm_dma_request(substream);
if (ret) {
printk(KERN_ERR "davinci_pcm: Failed to get dma channels\n");
kfree(prtd);
}
return ret;
}
static int aml_i2s_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct aml_runtime_data *prtd = runtime->private_data;
struct snd_dma_buffer *buf = &substream->dma_buffer;
audio_stream_t *s = &prtd->s;
int ret = 0;
ALSA_TRACE();
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
snd_soc_set_runtime_hwparams(substream, &aml_i2s_hardware);
if (s->device_type == AML_AUDIO_I2SOUT) {
aml_i2s_playback_start_addr = (unsigned int)buf->area;
aml_i2s_playback_phy_start_addr = buf->addr;
}
} else {
snd_soc_set_runtime_hwparams(substream, &aml_i2s_capture);
if (s->device_type == AML_AUDIO_I2SIN) {
aml_i2s_capture_start_addr = (unsigned int)buf->area;
aml_i2s_capture_phy_start_addr = buf->addr;
}
}
/* ensure that peroid size is a multiple of 32bytes */
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_sizes);
if (ret < 0) {
printk("set period bytes constraint error\n");
goto out;
}
/* 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) {
printk("set period error\n");
goto out;
}
if (!prtd) {
prtd = kzalloc(sizeof(struct aml_runtime_data), GFP_KERNEL);
if (prtd == NULL) {
printk("alloc aml_runtime_data error\n");
ret = -ENOMEM;
goto out;
}
prtd->substream = substream;
runtime->private_data = prtd;
g_prtd = prtd;
printk("ml_i2s_open g_prtd %p \n", g_prtd);
}
else
{
g_prtd = prtd;
}
// WRITE_MPEG_REG_BITS( HHI_MPLL_CNTL8, 1,14, 1);
#if USE_HRTIMER == 0
#ifndef USE_HW_TIMER
prtd->timer.function = &aml_i2s_timer_callback;
prtd->timer.data = (unsigned long)substream;
init_timer(&prtd->timer);
#else
ret = snd_request_hw_timer(prtd);
if (ret < 0) {
printk("request audio hw timer failed \n");
goto out;
}
#endif
#else
hrtimer_init(&prtd->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
prtd->hrtimer.function = aml_i2s_hrtimer_callback;
hrtimer_start(&prtd->hrtimer, ns_to_ktime(HRTIMER_PERIOD), HRTIMER_MODE_REL);
printk("hrtimer inited..\n");
#endif
spin_lock_init(&prtd->s.lock);
s = &prtd->s;
//WRITE_MPEG_REG_BITS(MPLL_I2S_CNTL, 1,14, 1);
mutex_lock(&gate_mutex);
if (!num_clk_gate) {
num_clk_gate = 1;
if (audio_gate_status == 0) {
// audio_aiu_pg_enable(1);
ALSA_DEBUG("aml_pcm_open device type %x \n", s->device_type);
}
}
audio_gate_status |= s->device_type;
mutex_unlock(&gate_mutex);
out:
return ret;
}
static int tegra_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct tegra_runtime_data *prtd;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct tegra_pcm_dma_params * dmap;
int ret = 0;
prtd = kzalloc(sizeof(struct tegra_runtime_data), GFP_KERNEL);
if (prtd == NULL)
return -ENOMEM;
runtime->private_data = prtd;
prtd->substream = substream;
spin_lock_init(&prtd->lock);
dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if (dmap) {
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
setup_dma_tx_request(&prtd->dma_req[0], dmap);
setup_dma_tx_request(&prtd->dma_req[1], dmap);
} else {
setup_dma_rx_request(&prtd->dma_req[0], dmap);
setup_dma_rx_request(&prtd->dma_req[1], dmap);
}
prtd->dma_req[0].dev = prtd;
prtd->dma_req[1].dev = prtd;
prtd->dma_chan = tegra_dma_allocate_channel(
TEGRA_DMA_MODE_CONTINUOUS_SINGLE,
"pcm");
if (prtd->dma_chan == NULL) {
ret = -ENOMEM;
goto err;
}
}
/* Set HW params now that initialization is complete */
snd_soc_set_runtime_hwparams(substream, &tegra_pcm_hardware);
/* Ensure period size is multiple of 8 */
ret = snd_pcm_hw_constraint_step(runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 0x8);
if (ret < 0)
goto err;
/* 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)
goto err;
return 0;
err:
if (prtd->dma_chan) {
tegra_dma_free_channel(prtd->dma_chan);
}
kfree(prtd);
return ret;
}
static int dummy_dma_open(struct snd_pcm_substream *substream)
{
snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware);
return 0;
}
int tegra_pcm_allocate(struct snd_pcm_substream *substream,
int dma_mode,
const struct snd_pcm_hardware *pcm_hardware)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct tegra_runtime_data *prtd;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct tegra_pcm_dma_params * dmap;
int ret = 0;
int i = 0;
prtd = kzalloc(sizeof(struct tegra_runtime_data), GFP_KERNEL);
if (prtd == NULL)
return -ENOMEM;
runtime->private_data = prtd;
prtd->substream = substream;
spin_lock_init(&prtd->lock);
dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
prtd->dma_req_count = MAX_DMA_REQ_COUNT;
if (dmap) {
for (i = 0; i < prtd->dma_req_count; i++)
prtd->dma_req[i].dev = prtd;
prtd->dma_chan = tegra_dma_allocate_channel(
dma_mode,
"pcm");
if (prtd->dma_chan == NULL) {
ret = -ENOMEM;
goto err;
}
}
/* Set HW params now that initialization is complete */
snd_soc_set_runtime_hwparams(substream, pcm_hardware);
/* Ensure period size is multiple of 8 */
ret = snd_pcm_hw_constraint_step(runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 0x8);
if (ret < 0)
goto err;
/* 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)
goto err;
return 0;
err:
if (prtd->dma_chan) {
tegra_dma_free_channel(prtd->dma_chan);
}
kfree(prtd);
return ret;
}
static int hi3630_srcup_normal_open(struct snd_pcm_substream *substream)
{
struct hi3630_srcup_runtime_data *prtd = NULL;
struct snd_soc_pcm_runtime *rtd = NULL;
struct hi3630_srcup_data *pdata = NULL;
struct snd_pcm *pcm = substream->pcm;
int ret = 0;
BUG_ON(NULL == pcm);
prtd = kzalloc(sizeof(struct hi3630_srcup_runtime_data), GFP_KERNEL);
if (NULL == prtd) {
loge("kzalloc hi3630_srcup_runtime_data error!\n");
return -ENOMEM;
}
mutex_init(&prtd->mutex);
spin_lock_init(&prtd->lock);
rtd = (struct snd_soc_pcm_runtime *)substream->private_data;
pdata = (struct hi3630_srcup_data *)snd_soc_platform_get_drvdata(rtd->platform);
BUG_ON(NULL == pdata);
prtd->pdata = pdata;
substream->runtime->private_data = prtd;
#ifdef SRCUP_ENABLE
#ifdef CONFIG_PM_RUNTIME
pm_runtime_get_sync(pdata->dev);
#else
ret = regulator_bulk_enable(1, &pdata->regu);
if (0 != ret) {
loge("couldn't enable regulators %d\n", ret);
goto err_bulk;
}
#endif
srcup_module_enable(true);
ret = request_irq(pdata->irq, hi3630_intr_src_up_handle,
IRQF_SHARED, "asp_irq_srcup_normal", pcm);
if (0 > ret) {
loge("request irq error, error No. = %d\n", ret);
goto err_irq;
}
enable_srcup_interrupeter(true);
#endif
ret = snd_soc_set_runtime_hwparams(substream, &hi3630_srcup_normal_hardware);
return ret;
#ifdef SRCUP_ENABLE
err_irq:
srcup_module_enable(false);
#ifdef CONFIG_PM_RUNTIME
pm_runtime_mark_last_busy(pdata->dev);
pm_runtime_put_autosuspend(pdata->dev);
#else
regulator_bulk_disable(1, &prtd->pdata->regu);
err_bulk:
#endif
kfree(prtd);
return ret;
#endif
}
static int aml_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct aml_runtime_data *prtd = NULL;
int ret = 0;
void *buffer = NULL;
unsigned int buffersize = 0;
audio_stream_t *s = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
playback_substream_handle = (unsigned long)substream;
snd_soc_set_runtime_hwparams(substream, &aml_pcm_hardware);
buffersize = aml_pcm_hardware.period_bytes_max;
}else{
snd_soc_set_runtime_hwparams(substream, &aml_pcm_capture);
buffersize = aml_pcm_capture.period_bytes_max;
}
/* ensure that peroid size is a multiple of 32bytes */
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_sizes);
if (ret < 0)
{
printk("set period bytes constraint error\n");
goto out;
}
/* 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)
{
printk("set period error\n");
goto out;
}
prtd = kzalloc(sizeof(struct aml_runtime_data), GFP_KERNEL);
if (prtd == NULL) {
printk("alloc aml_runtime_data error\n");
ret = -ENOMEM;
goto out;
}
prtd->substream = substream;
runtime->private_data = prtd;
if(!prtd->buf){
buffer = kzalloc(buffersize, GFP_KERNEL);
if (buffer==NULL){
printk("alloc aml_runtime_data buffer error\n");
kfree(prtd);
ret = -ENOMEM;
goto out;
}
prtd->buf = buffer;
}
#if USE_HRTIMER == 0
prtd->timer.function = &aml_pcm_timer_callback;
prtd->timer.data = (unsigned long)substream;
init_timer(&prtd->timer);
#else
hrtimer_init(&prtd->hrtimer,CLOCK_MONOTONIC, HRTIMER_MODE_REL);
prtd->hrtimer.function = aml_pcm_hrtimer_callback;
hrtimer_start(&prtd->hrtimer, ns_to_ktime(HRTIMER_PERIOD), HRTIMER_MODE_REL);
printk("hrtimer inited..\n");
#endif
spin_lock_init(&prtd->s.lock);
s = &prtd->s;
s->xrun_num = 0;
out:
return ret;
}
static int ux500_pcm_open(struct snd_pcm_substream *substream)
{
int stream_id = substream->pstr->stream;
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *dai = rtd->cpu_dai;
struct device *dev = dai->dev;
int ret;
struct ux500_msp_dma_params *dma_params;
u16 per_data_width, mem_data_width;
struct stedma40_chan_cfg *dma_cfg;
dev_dbg(dev, "%s: MSP %d (%s): Enter.\n", __func__, dai->id,
snd_pcm_stream_str(substream));
dev_dbg(dev, "%s: Set runtime hwparams.\n", __func__);
if (stream_id == SNDRV_PCM_STREAM_PLAYBACK)
snd_soc_set_runtime_hwparams(substream,
&ux500_pcm_hw_playback);
else
snd_soc_set_runtime_hwparams(substream,
&ux500_pcm_hw_capture);
/* 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) {
dev_err(dev, "%s: Error: snd_pcm_hw_constraints failed (%d)\n",
__func__, ret);
return ret;
}
dev_dbg(dev, "%s: Set hw-struct for %s.\n", __func__,
snd_pcm_stream_str(substream));
runtime->hw = (stream_id == SNDRV_PCM_STREAM_PLAYBACK) ?
ux500_pcm_hw_playback : ux500_pcm_hw_capture;
mem_data_width = STEDMA40_HALFWORD_WIDTH;
dma_params = snd_soc_dai_get_dma_data(dai, substream);
switch (dma_params->data_size) {
case 32:
per_data_width = STEDMA40_WORD_WIDTH;
break;
case 16:
per_data_width = STEDMA40_HALFWORD_WIDTH;
break;
case 8:
per_data_width = STEDMA40_BYTE_WIDTH;
break;
default:
per_data_width = STEDMA40_WORD_WIDTH;
dev_warn(rtd->platform->dev,
"%s: Unknown data-size (%d)! Assuming 32 bits.\n",
__func__, dma_params->data_size);
}
dma_cfg = dma_params->dma_cfg;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
dma_cfg->src_info.data_width = mem_data_width;
dma_cfg->dst_info.data_width = per_data_width;
} else {
dma_cfg->src_info.data_width = per_data_width;
dma_cfg->dst_info.data_width = mem_data_width;
}
ret = snd_dmaengine_pcm_open(substream, stedma40_filter, dma_cfg);
if (ret) {
dev_dbg(dai->dev,
"%s: ERROR: snd_dmaengine_pcm_open failed (%d)!\n",
__func__, ret);
return ret;
}
snd_dmaengine_pcm_set_data(substream, dma_cfg);
return 0;
}
static int lpc313x_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_pcm_runtime *rtd = substream->runtime;
struct lpc313x_dma_data *prtd = rtd->private_data;
int ret = 0;
#if defined (CONFIG_SND_USE_DMA_LINKLIST)
int i, tch;
u32 addr;
dma_sg_ll_t *p_sg_cpuw, *p_sg_dmaw;
unsigned long timeout;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
tch = 0;
}
else {
tch = 1;
}
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
prtd->dma_cur = prtd->dma_buffer;
p_sg_cpuw = prtd->p_sg_cpu;
p_sg_dmaw = prtd->p_sg_dma;
/* Build a linked list that wraps around */
addr = (u32) prtd->dma_buffer;
for (i = 0; i < prtd->num_periods; i++) {
p_sg_cpuw->setup.trans_length = (prtd->period_size / 4) - 1;
p_sg_cpuw->setup.cfg = prtd->dma_cfg_base;
p_sg_cpuw->next_entry = (u32) (p_sg_dmaw + 1);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
p_sg_cpuw->setup.src_address = addr;
p_sg_cpuw->setup.dest_address = TX_FIFO_ADDR;
}
else {
p_sg_cpuw->setup.dest_address = addr;
p_sg_cpuw->setup.src_address = RX_FIFO_ADDR;
}
/* Wrap end of list back to start? */
if (i == (prtd->num_periods - 1))
p_sg_cpuw->next_entry = (u32) prtd->p_sg_dma;
p_sg_cpuw++;
p_sg_dmaw++;
addr += prtd->period_size;
}
/* Add and start audio data position timer */
init_timer(&prtd->timer[tch]);
prtd->timer[tch].data = (unsigned long) substream;
prtd->timer[tch].function = lpc313x_check_dmall;
prtd->timer[tch].expires = jiffies + MINTICKINC;
add_timer(&prtd->timer[tch]);
/* Program DMA channel and start it */
dma_prog_sg_channel(prtd->dmach, (u32) prtd->p_sg_dma);
dma_set_irq_mask(prtd->dmach, 1, 1);
#else
dma_setup_t dmasetup;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
prtd->dma_cur = prtd->dma_buffer;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
dmasetup.src_address = (u32) prtd->dma_buffer;
dmasetup.dest_address = TX_FIFO_ADDR;
}
else {
dmasetup.dest_address = (u32) prtd->dma_buffer;
dmasetup.src_address = RX_FIFO_ADDR;
}
dmasetup.cfg = prtd->dma_cfg_base;
dmasetup.trans_length = (2 * prtd->period_size / 4) - 1;
/* Program DMA channel and start it */
dma_prog_channel(prtd->dmach, &dmasetup);
dma_set_irq_mask(prtd->dmach, 0, 0);
#endif
dma_start_channel(prtd->dmach);
break;
case SNDRV_PCM_TRIGGER_STOP:
#if defined (CONFIG_SND_USE_DMA_LINKLIST)
del_timer_sync(&prtd->timer[tch]);
#endif
/* Stop the companion channel and let the current DMA
transfer finish */
dma_stop_channel_sg(prtd->dmach);
timeout = jiffies + (HZ / 20);
while ((dma_channel_enabled(prtd->dmach)) &&
(jiffies < timeout)) {
cpu_relax();
}
// dma_stop_channel(prtd->dmach);
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
break;
default:
ret = -EINVAL;
}
return ret;
}
static snd_pcm_uframes_t lpc313x_pcm_pointer(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct lpc313x_dma_data *prtd = runtime->private_data;
snd_pcm_uframes_t x;
/* Return an offset into the DMA buffer for the next data */
x = bytes_to_frames(runtime, (prtd->dma_cur - runtime->dma_addr));
if (x >= runtime->buffer_size)
x = 0;
return x;
}
static int lpc313x_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct lpc313x_dma_data *prtd;
int ret = 0;
snd_soc_set_runtime_hwparams(substream, &lpc313x_pcm_hardware);
/* 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)
goto out;
prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);
if (prtd == NULL) {
ret = -ENOMEM;
goto out;
}
runtime->private_data = prtd;
prtd->dmach = -1;
out:
return ret;
}
static int lpc313x_pcm_close(struct snd_pcm_substream *substream)
{
struct lpc313x_dma_data *prtd = substream->runtime->private_data;
kfree(prtd);
return 0;
}
static int lpc313x_pcm_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
{
struct snd_pcm_runtime *runtime = substream->runtime;
return dma_mmap_writecombine(substream->pcm->card->dev, vma,
runtime->dma_area,
runtime->dma_addr,
runtime->dma_bytes);
}
static struct snd_pcm_ops lpc313x_pcm_ops = {
.open = lpc313x_pcm_open,
.close = lpc313x_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = lpc313x_pcm_hw_params,
.hw_free = lpc313x_pcm_hw_free,
.prepare = lpc313x_pcm_prepare,
.trigger = lpc313x_pcm_trigger,
.pointer = lpc313x_pcm_pointer,
.mmap = lpc313x_pcm_mmap,
};
/*
* ASoC platform driver
*/
static int lpc313x_pcm_new(struct snd_card *card,
struct snd_soc_dai *dai,
struct snd_pcm *pcm)
{
int ret = 0;
if (!card->dev->dma_mask)
card->dev->dma_mask = &lpc313x_pcm_dmamask;
if (!card->dev->coherent_dma_mask)
card->dev->coherent_dma_mask = 0xffffffff;
if (dai->playback.channels_min) {
ret = lpc313x_pcm_allocate_dma_buffer(
pcm, SNDRV_PCM_STREAM_PLAYBACK);
if (ret)
goto out;
}
if (dai->capture.channels_min) {
pr_debug("%s: Allocating PCM capture DMA buffer\n", SND_NAME);
ret = lpc313x_pcm_allocate_dma_buffer(
pcm, SNDRV_PCM_STREAM_CAPTURE);
if (ret)
goto out;
}
out:
return ret;
}
static int tegra_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_pcm *pcm = substream->pcm;
struct pcm_runtime_data *prtd;
int ret = 0;
NvError e = NvSuccess;
NvAudioFxMessage message;
NvAudioFxObjectHandle hSource = 0;
struct tegra_audio_data *ptscx = tegra_snd_cx[pcm->device];
prtd = kzalloc(sizeof(struct pcm_runtime_data), GFP_KERNEL);
if (prtd == NULL)
return -ENOMEM;
runtime->private_data = prtd;
snd_soc_set_runtime_hwparams(substream, &tegra_pcm_hardware);
spin_lock_init(&prtd->lock);
prtd->timeout = INIT_TIMEOUT;
prtd->stdoutpath = 0;
prtd->stdinpath = 0;
prtd->state = NVALSA_INVALID_STATE;
prtd->stream = substream->stream;
if (!ptscx->mixer_handle) {
ret = tegra_audiofx_init(ptscx);
if (ret)
goto fail;
}
init_completion(&prtd->thread_comp);
init_waitqueue_head(&prtd->buf_wait);
sema_init(&prtd->buf_done_sem, 0);
sema_init(&prtd->stop_done_sem, 0);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
hSource = ptscx->i2s1_play_mix;
if (pcm->device == I2S2)
hSource = ptscx->i2s2_play_mix;
prtd->mixer_buffer = ptscx->mixer_buffer[0];
prtd->stdoutpath = (StandardPath*)kzalloc(sizeof(StandardPath),
GFP_KERNEL);
if (prtd->stdoutpath == NULL) {
snd_printk(KERN_ERR "pcm_open kzalloc failed \n");
ret = -ENOMEM;
goto fail;
}
e = tegra_audiofx_create_output(ptscx->m_hRm,
ptscx->mixer_handle,
prtd->stdoutpath,
hSource);
if (e != NvSuccess) {
snd_printk(KERN_ERR "audiofx_create_output failed \n");
ret = -EFAULT;
goto fail;
}
memset(&message, 0, sizeof(NvAudioFxMessage));
message.Event = (NvAudioFxEventBufferDone |
NvAudioFxEventStateChange);
message.hFx = (NvAudioFxHandle)prtd->stdoutpath->Stream;
message.pContext = prtd;
e = ptscx->xrt_fxn.SetProperty(
(NvAudioFxObjectHandle)ptscx->m_FxNotifier.hNotifier,
NvAudioFxIoProperty_AddEvent,
sizeof(NvAudioFxMessage),
&message);
if (e != NvSuccess) {
snd_printk(KERN_ERR "TransportSetProperty failed\n");
ret = -EFAULT;
goto fail;
}
ptscx->m_FxNotifier.Event |= (NvAudioFxEventBufferDone |
NvAudioFxEventStateChange);
prtd->play_thread = kthread_run(play_thread,
substream,
"%sthread",
"play");
if (IS_ERR(prtd->play_thread)) {
snd_printk(KERN_ERR "KTHREAD RUN FAIL\n");
ret = PTR_ERR(prtd->play_thread);
goto fail;
}
} else {
hSource = ptscx->i2s1_rec_split;
if (pcm->device == I2S2)
hSource = ptscx->i2s2_rec_split;
prtd->mixer_buffer = ptscx->mixer_buffer[1];
prtd->stdinpath = (StandardPath*)kzalloc(sizeof(StandardPath),
GFP_KERNEL);
if (prtd->stdinpath == NULL) {
snd_printk(KERN_ERR "pcm_open kzalloc failed \n");
ret = -ENOMEM;
goto fail;
}
e = tegra_audiofx_create_input(ptscx->m_hRm,
ptscx->mixer_handle,
prtd->stdinpath,
NvAudioInputSelect_Record,
hSource);
if (e != NvSuccess) {
snd_printk(KERN_ERR "audiofx_create_input failed \n");
ret = -EFAULT;
goto fail;
}
memset(&message, 0, sizeof(NvAudioFxMessage));
message.Event = (NvAudioFxEventBufferDone |
NvAudioFxEventStateChange);
message.hFx = (NvAudioFxHandle)prtd->stdinpath->Stream;
message.pContext = prtd;
e = ptscx->xrt_fxn.SetProperty(
(NvAudioFxObjectHandle)ptscx->m_FxNotifier.hNotifier,
NvAudioFxIoProperty_AddEvent,
sizeof(NvAudioFxMessage),
&message);
if (e != NvSuccess) {
snd_printk(KERN_ERR "TransportSetProperty failed\n");
ret = -EFAULT;
goto fail;
}
ptscx->m_FxNotifier.Event |= (NvAudioFxEventBufferDone |
NvAudioFxEventStateChange);
prtd->rec_thread = kthread_run(rec_thread,
substream,
"%sthread",
"rec" );
if (IS_ERR(prtd->rec_thread)) {
snd_printk(KERN_ERR "Kthread Run Fail\n");
ret = PTR_ERR(prtd->rec_thread);
goto fail;
}
}
if (pcm->device == I2S2) {
NvAudioFxIoDevice io_device;
mutex_lock(&tegra_audio_state.mutex_lock);
tegra_audio_state.audio_mode |= NvAudioFxMode_Bluetooth_Sco;
tegra_audio_state.devices_available |=
NvAudioFxIoDevice_Bluetooth_Sco;
mutex_unlock(&tegra_audio_state.mutex_lock);
ptscx->xrt_fxn.SetProperty(
(NvAudioFxObjectHandle)ptscx->mixer_handle,
NvAudioFxMixerProperty_ModeSelect,
sizeof(NvAudioFxMode),
&tegra_audio_state.audio_mode);
ptscx->xrt_fxn.SetProperty(ptscx->mi2s1,
NvAudioFxIoProperty_OutputAvailable,
sizeof(NvAudioFxIoDevice),
&tegra_audio_state.devices_available);
ptscx->xrt_fxn.SetProperty(ptscx->mi2s1,
NvAudioFxIoProperty_InputAvailable,
sizeof(NvAudioFxIoDevice),
&tegra_audio_state.devices_available);
io_device = NvAudioFxIoDevice_Bluetooth_Sco;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ptscx->xrt_fxn.SetProperty(ptscx->mi2s1,
NvAudioFxIoProperty_OutputEnable,
sizeof(NvAudioFxIoDevice),
&io_device);
}
else {
ptscx->xrt_fxn.SetProperty(ptscx->mi2s1,
NvAudioFxIoProperty_InputEnable,
sizeof(NvAudioFxIoDevice),
&io_device);
}
}
return ret;
fail:
snd_printk(KERN_ERR "tegra_pcm_open - failed \n");
pcm_common_close(substream);
return ret;
}
static int bcm947xx_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
bcm947xx_i2s_info_t *snd_bcm = rtd->dai->cpu_dai->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct bcm947xx_runtime_data *brtd;
int ret;
DBG("%s %s\n", __FUNCTION__, bcm947xx_direction_str(substream));
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
snd_soc_set_runtime_hwparams(substream, &bcm947xx_pcm_hardware_capture);
} else {
snd_soc_set_runtime_hwparams(substream, &bcm947xx_pcm_hardware_playback);
}
if (snd_bcm->in_use & ~(1 << substream->stream)) {
/* Another stream is in-use; set our constraints to match. */
if ((ret = bcm947xx_pcm_set_constraints(runtime, snd_bcm)) < 0)
return ret;
}
brtd = kzalloc(sizeof(struct bcm947xx_runtime_data), GFP_KERNEL);
if (brtd == NULL) {
return -ENOMEM;
}
spin_lock_init(&brtd->lock);
runtime->private_data = brtd;
/* probably should put this somewhere else, after setting up isr ??? */
/* Enable appropriate channel. */
/* Channel dma_XXXinit needs to be called before descriptors can be
* posted to the DMA. Posting currently occurs in the copy operator,
* which is called after prepare but before trigger(start).
*/
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
dma_rxreset(snd_bcm->di[0]);
dma_rxinit(snd_bcm->di[0]);
} else {
dma_txreset(snd_bcm->di[0]);
dma_txinit(snd_bcm->di[0]);
if (BCM947XX_DMA_LOOPBACK_ENABLED)
dma_fifoloopbackenable(snd_bcm->di[0]);
// dma_txsuspend(snd_bcm->di[0]);
}
if (BCM947XX_PCM_DEBUG_ON) {
DBG("%s: i2s devcontrol 0x%x devstatus 0x%x\n", __FUNCTION__,
R_REG(snd_bcm->osh, &snd_bcm->regs->devcontrol),
R_REG(snd_bcm->osh, &snd_bcm->regs->devstatus));
DBG("%s: i2s intstatus 0x%x intmask 0x%x\n", __FUNCTION__,
R_REG(snd_bcm->osh, &snd_bcm->regs->intstatus),
R_REG(snd_bcm->osh, &snd_bcm->regs->intmask));
DBG("%s: i2s control 0x%x\n", __FUNCTION__,
R_REG(snd_bcm->osh, &snd_bcm->regs->i2scontrol));
DBG("%s: i2s clkdivider 0x%x txplayth 0x%x\n", __FUNCTION__,
R_REG(snd_bcm->osh, &snd_bcm->regs->clkdivider),
R_REG(snd_bcm->osh, &snd_bcm->regs->txplayth));
DBG("%s: i2s stxctrl 0x%x\n", __FUNCTION__,
R_REG(snd_bcm->osh, &snd_bcm->regs->stxctrl));
{
uint32 temp;
temp = R_REG(snd_bcm->osh, &snd_bcm->regs->fifocounter);
DBG("%s: i2s txcnt 0x%x rxcnt 0x%x\n", __FUNCTION__,
(temp & I2S_FC_TX_CNT_MASK)>> I2S_FC_TX_CNT_SHIFT,
(temp & I2S_FC_RX_CNT_MASK)>> I2S_FC_RX_CNT_SHIFT);
}
}
return 0;
}
