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path: root/sound/soc/s6000/s6000-pcm.c
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Diffstat (limited to 'sound/soc/s6000/s6000-pcm.c')
-rw-r--r--sound/soc/s6000/s6000-pcm.c136
1 files changed, 80 insertions, 56 deletions
diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c
index 1d61109e09f..fb8461e1b1f 100644
--- a/sound/soc/s6000/s6000-pcm.c
+++ b/sound/soc/s6000/s6000-pcm.c
@@ -33,13 +33,6 @@ static struct snd_pcm_hardware s6000_pcm_hardware = {
.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_JOINT_DUPLEX),
- .formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE),
- .rates = (SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_5512 | \
- SNDRV_PCM_RATE_8000_192000),
- .rate_min = 0,
- .rate_max = 1562500,
- .channels_min = 2,
- .channels_max = 8,
.buffer_bytes_max = 0x7ffffff0,
.period_bytes_min = 16,
.period_bytes_max = 0xfffff0,
@@ -58,13 +51,15 @@ static void s6000_pcm_enqueue_dma(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct s6000_runtime_data *prtd = runtime->private_data;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par;
int channel;
unsigned int period_size;
unsigned int dma_offset;
dma_addr_t dma_pos;
dma_addr_t src, dst;
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
+
period_size = snd_pcm_lib_period_bytes(substream);
dma_offset = prtd->period * period_size;
dma_pos = runtime->dma_addr + dma_offset;
@@ -88,7 +83,8 @@ static void s6000_pcm_enqueue_dma(struct snd_pcm_substream *substream)
return;
}
- BUG_ON(period_size & 15);
+ if (WARN_ON(period_size & 15))
+ return;
s6dmac_put_fifo(DMA_MASK_DMAC(channel), DMA_INDEX_CHNL(channel),
src, dst, period_size);
@@ -101,34 +97,39 @@ static irqreturn_t s6000_pcm_irq(int irq, void *data)
{
struct snd_pcm *pcm = data;
struct snd_soc_pcm_runtime *runtime = pcm->private_data;
- struct s6000_pcm_dma_params *params = runtime->dai->cpu_dai->dma_data;
struct s6000_runtime_data *prtd;
unsigned int has_xrun;
int i, ret = IRQ_NONE;
- u32 channel[2] = {
- [SNDRV_PCM_STREAM_PLAYBACK] = params->dma_out,
- [SNDRV_PCM_STREAM_CAPTURE] = params->dma_in
- };
-
- has_xrun = params->check_xrun(runtime->dai->cpu_dai);
- for (i = 0; i < ARRAY_SIZE(channel); ++i) {
+ for (i = 0; i < 2; ++i) {
struct snd_pcm_substream *substream = pcm->streams[i].substream;
+ struct s6000_pcm_dma_params *params =
+ snd_soc_dai_get_dma_data(runtime->cpu_dai, substream);
+ u32 channel;
unsigned int pending;
- if (!channel[i])
+ if (substream == SNDRV_PCM_STREAM_PLAYBACK)
+ channel = params->dma_out;
+ else
+ channel = params->dma_in;
+
+ has_xrun = params->check_xrun(runtime->cpu_dai);
+
+ if (!channel)
continue;
if (unlikely(has_xrun & (1 << i)) &&
substream->runtime &&
snd_pcm_running(substream)) {
dev_dbg(pcm->dev, "xrun\n");
+ snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(substream);
ret = IRQ_HANDLED;
}
- pending = s6dmac_int_sources(DMA_MASK_DMAC(channel[i]),
- DMA_INDEX_CHNL(channel[i]));
+ pending = s6dmac_int_sources(DMA_MASK_DMAC(channel),
+ DMA_INDEX_CHNL(channel));
if (pending & 1) {
ret = IRQ_HANDLED;
@@ -136,10 +137,10 @@ static irqreturn_t s6000_pcm_irq(int irq, void *data)
snd_pcm_running(substream))) {
snd_pcm_period_elapsed(substream);
dev_dbg(pcm->dev, "period elapsed %x %x\n",
- s6dmac_cur_src(DMA_MASK_DMAC(channel[i]),
- DMA_INDEX_CHNL(channel[i])),
- s6dmac_cur_dst(DMA_MASK_DMAC(channel[i]),
- DMA_INDEX_CHNL(channel[i])));
+ s6dmac_cur_src(DMA_MASK_DMAC(channel),
+ DMA_INDEX_CHNL(channel)),
+ s6dmac_cur_dst(DMA_MASK_DMAC(channel),
+ DMA_INDEX_CHNL(channel)));
prtd = substream->runtime->private_data;
spin_lock(&prtd->lock);
s6000_pcm_enqueue_dma(substream);
@@ -151,16 +152,16 @@ static irqreturn_t s6000_pcm_irq(int irq, void *data)
if (pending & (1 << 3))
printk(KERN_WARNING
"s6000-pcm: DMA %x Underflow\n",
- channel[i]);
+ channel);
if (pending & (1 << 4))
printk(KERN_WARNING
"s6000-pcm: DMA %x Overflow\n",
- channel[i]);
+ channel);
if (pending & 0x1e0)
printk(KERN_WARNING
"s6000-pcm: DMA %x Master Error "
"(mask %x)\n",
- channel[i], pending >> 5);
+ channel, pending >> 5);
}
}
@@ -172,11 +173,13 @@ static int s6000_pcm_start(struct snd_pcm_substream *substream)
{
struct s6000_runtime_data *prtd = substream->runtime->private_data;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par;
unsigned long flags;
int srcinc;
u32 dma;
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
+
spin_lock_irqsave(&prtd->lock, flags);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -212,10 +215,12 @@ static int s6000_pcm_stop(struct snd_pcm_substream *substream)
{
struct s6000_runtime_data *prtd = substream->runtime->private_data;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par;
unsigned long flags;
u32 channel;
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
+
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
channel = par->dma_out;
else
@@ -236,9 +241,11 @@ static int s6000_pcm_stop(struct snd_pcm_substream *substream)
static int s6000_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par;
int ret;
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
+
ret = par->trigger(substream, cmd, 0);
if (ret < 0)
return ret;
@@ -275,13 +282,15 @@ static int s6000_pcm_prepare(struct snd_pcm_substream *substream)
static snd_pcm_uframes_t s6000_pcm_pointer(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par;
struct snd_pcm_runtime *runtime = substream->runtime;
struct s6000_runtime_data *prtd = runtime->private_data;
unsigned long flags;
unsigned int offset;
dma_addr_t count;
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
+
spin_lock_irqsave(&prtd->lock, flags);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
@@ -305,11 +314,12 @@ static snd_pcm_uframes_t s6000_pcm_pointer(struct snd_pcm_substream *substream)
static int s6000_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par;
struct snd_pcm_runtime *runtime = substream->runtime;
struct s6000_runtime_data *prtd;
int ret;
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
snd_soc_set_runtime_hwparams(substream, &s6000_pcm_hardware);
ret = snd_pcm_hw_constraint_step(runtime, 0,
@@ -364,7 +374,7 @@ static int s6000_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par;
int ret;
ret = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
@@ -373,6 +383,8 @@ static int s6000_pcm_hw_params(struct snd_pcm_substream *substream,
return ret;
}
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
+
if (par->same_rate) {
spin_lock(&par->lock);
if (par->rate == -1 ||
@@ -392,7 +404,8 @@ static int s6000_pcm_hw_params(struct snd_pcm_substream *substream,
static int s6000_pcm_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct s6000_pcm_dma_params *par = soc_runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *par =
+ snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
spin_lock(&par->lock);
par->in_use &= ~(1 << substream->stream);
@@ -417,25 +430,27 @@ static struct snd_pcm_ops s6000_pcm_ops = {
static void s6000_pcm_free(struct snd_pcm *pcm)
{
struct snd_soc_pcm_runtime *runtime = pcm->private_data;
- struct s6000_pcm_dma_params *params = runtime->dai->cpu_dai->dma_data;
+ struct s6000_pcm_dma_params *params =
+ snd_soc_dai_get_dma_data(runtime->cpu_dai,
+ pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
free_irq(params->irq, pcm);
snd_pcm_lib_preallocate_free_for_all(pcm);
}
-static u64 s6000_pcm_dmamask = DMA_BIT_MASK(32);
-
-static int s6000_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int s6000_pcm_new(struct snd_soc_pcm_runtime *runtime)
{
- struct snd_soc_pcm_runtime *runtime = pcm->private_data;
- struct s6000_pcm_dma_params *params = runtime->dai->cpu_dai->dma_data;
+ struct snd_card *card = runtime->card->snd_card;
+ struct snd_pcm *pcm = runtime->pcm;
+ struct s6000_pcm_dma_params *params;
int res;
- if (!card->dev->dma_mask)
- card->dev->dma_mask = &s6000_pcm_dmamask;
- if (!card->dev->coherent_dma_mask)
- card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+ params = snd_soc_dai_get_dma_data(runtime->cpu_dai,
+ pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
+
+ res = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+ if (res)
+ return res;
if (params->dma_in) {
s6dmac_disable_chan(DMA_MASK_DMAC(params->dma_in),
@@ -452,7 +467,7 @@ static int s6000_pcm_new(struct snd_card *card,
}
res = request_irq(params->irq, s6000_pcm_irq, IRQF_SHARED,
- s6000_soc_platform.name, pcm);
+ "s6000-audio", pcm);
if (res) {
printk(KERN_ERR "s6000-pcm couldn't get IRQ\n");
return res;
@@ -472,25 +487,34 @@ static int s6000_pcm_new(struct snd_card *card,
return 0;
}
-struct snd_soc_platform s6000_soc_platform = {
- .name = "s6000-audio",
- .pcm_ops = &s6000_pcm_ops,
+static struct snd_soc_platform_driver s6000_soc_platform = {
+ .ops = &s6000_pcm_ops,
.pcm_new = s6000_pcm_new,
.pcm_free = s6000_pcm_free,
};
-EXPORT_SYMBOL_GPL(s6000_soc_platform);
-static int __init s6000_pcm_init(void)
+static int s6000_soc_platform_probe(struct platform_device *pdev)
{
- return snd_soc_register_platform(&s6000_soc_platform);
+ return snd_soc_register_platform(&pdev->dev, &s6000_soc_platform);
}
-module_init(s6000_pcm_init);
-static void __exit s6000_pcm_exit(void)
+static int s6000_soc_platform_remove(struct platform_device *pdev)
{
- snd_soc_unregister_platform(&s6000_soc_platform);
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
}
-module_exit(s6000_pcm_exit);
+
+static struct platform_driver s6000_pcm_driver = {
+ .driver = {
+ .name = "s6000-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = s6000_soc_platform_probe,
+ .remove = s6000_soc_platform_remove,
+};
+
+module_platform_driver(s6000_pcm_driver);
MODULE_AUTHOR("Daniel Gloeckner");
MODULE_DESCRIPTION("Stretch s6000 family PCM DMA module");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-16 03:44:35 +0000