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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.c100
1 files changed, 61 insertions, 39 deletions
diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c
index 9c7f7f00cebb..271fd222bf19 100644
--- a/sound/soc/s6000/s6000-pcm.c
+++ b/sound/soc/s6000/s6000-pcm.c
@@ -65,7 +65,7 @@ static void s6000_pcm_enqueue_dma(struct snd_pcm_substream *substream)
dma_addr_t dma_pos;
dma_addr_t src, dst;
- par = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ 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;
@@ -103,23 +103,25 @@ 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 =
- snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
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)) &&
@@ -130,8 +132,8 @@ static irqreturn_t s6000_pcm_irq(int irq, void *data)
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;
@@ -139,10 +141,10 @@ 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);
@@ -154,16 +156,16 @@ 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);
}
}
@@ -180,7 +182,7 @@ static int s6000_pcm_start(struct snd_pcm_substream *substream)
int srcinc;
u32 dma;
- par = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
spin_lock_irqsave(&prtd->lock, flags);
@@ -221,7 +223,7 @@ static int s6000_pcm_stop(struct snd_pcm_substream *substream)
unsigned long flags;
u32 channel;
- par = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
channel = par->dma_out;
@@ -246,7 +248,7 @@ static int s6000_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
struct s6000_pcm_dma_params *par;
int ret;
- par = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
ret = par->trigger(substream, cmd, 0);
if (ret < 0)
@@ -291,7 +293,7 @@ static snd_pcm_uframes_t s6000_pcm_pointer(struct snd_pcm_substream *substream)
unsigned int offset;
dma_addr_t count;
- par = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
spin_lock_irqsave(&prtd->lock, flags);
@@ -321,7 +323,7 @@ static int s6000_pcm_open(struct snd_pcm_substream *substream)
struct s6000_runtime_data *prtd;
int ret;
- par = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ 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,
@@ -385,7 +387,7 @@ static int s6000_pcm_hw_params(struct snd_pcm_substream *substream,
return ret;
}
- par = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
if (par->same_rate) {
spin_lock(&par->lock);
@@ -407,7 +409,7 @@ 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 =
- snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);
spin_lock(&par->lock);
par->in_use &= ~(1 << substream->stream);
@@ -433,7 +435,7 @@ static void s6000_pcm_free(struct snd_pcm *pcm)
{
struct snd_soc_pcm_runtime *runtime = pcm->private_data;
struct s6000_pcm_dma_params *params =
- snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ snd_soc_dai_get_dma_data(runtime->cpu_dai, pcm->streams[0].substream);
free_irq(params->irq, pcm);
snd_pcm_lib_preallocate_free_for_all(pcm);
@@ -448,7 +450,8 @@ static int s6000_pcm_new(struct snd_card *card,
struct s6000_pcm_dma_params *params;
int res;
- params = snd_soc_dai_get_dma_data(soc_runtime->dai->cpu_dai, substream);
+ params = snd_soc_dai_get_dma_data(runtime->cpu_dai,
+ pcm->streams[0].substream);
if (!card->dev->dma_mask)
card->dev->dma_mask = &s6000_pcm_dmamask;
@@ -490,25 +493,44 @@ 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 __devinit s6000_soc_platform_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_platform(&pdev->dev, &s6000_soc_platform);
+}
+
+static int __devexit s6000_soc_platform_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver s6000_pcm_driver = {
+ .driver = {
+ .name = "s6000-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = s6000_soc_platform_probe,
+ .remove = __devexit_p(s6000_soc_platform_remove),
+};
+
+static int __init snd_s6000_pcm_init(void)
{
- return snd_soc_register_platform(&s6000_soc_platform);
+ return platform_driver_register(&s6000_pcm_driver);
}
-module_init(s6000_pcm_init);
+module_init(snd_s6000_pcm_init);
-static void __exit s6000_pcm_exit(void)
+static void __exit snd_s6000_pcm_exit(void)
{
- snd_soc_unregister_platform(&s6000_soc_platform);
+ platform_driver_unregister(&s6000_pcm_driver);
}
-module_exit(s6000_pcm_exit);
+module_exit(snd_s6000_pcm_exit);
MODULE_AUTHOR("Daniel Gloeckner");
MODULE_DESCRIPTION("Stretch s6000 family PCM DMA module");
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-25 11:47:26 +0000