author: Takashi Iwai <tiwai@suse.de> 2021-08-02 09:28:05 +0200
committer: Takashi Iwai <tiwai@suse.de> 2021-08-04 08:08:21 +0200
commit: 7f2da3d76b7d5228457d22a2dff0725fbf93d417
parent: d5c5055816740bd26f3c0095e7f5e63dfa4bbdf8
Commit Summary:
Diffstat:
2 files changed, 9 insertions, 94 deletions
diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c
index a67e6685b00c..c17a19fe59ed 100644
--- a/sound/arm/pxa2xx-ac97.c
+++ b/sound/arm/pxa2xx-ac97.c
@@ -172,38 +172,28 @@ static const struct snd_pcm_ops pxa2xx_ac97_pcm_ops = {
.open = pxa2xx_ac97_pcm_open,
.close = pxa2xx_ac97_pcm_close,
.hw_params = pxa2xx_pcm_hw_params,
- .hw_free = pxa2xx_pcm_hw_free,
.prepare = pxa2xx_ac97_pcm_prepare,
.trigger = pxa2xx_pcm_trigger,
.pointer = pxa2xx_pcm_pointer,
- .mmap = pxa2xx_pcm_mmap,
};
static int pxa2xx_ac97_pcm_new(struct snd_card *card)
{
struct snd_pcm *pcm;
- int stream, ret;
+ int ret;
ret = snd_pcm_new(card, "PXA2xx-PCM", 0, 1, 1, &pcm);
if (ret)
goto out;
- pcm->private_free = pxa2xx_pcm_free_dma_buffers;
-
ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
if (ret)
goto out;
- stream = SNDRV_PCM_STREAM_PLAYBACK;
- snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops);
- ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream);
- if (ret)
- goto out;
-
- stream = SNDRV_PCM_STREAM_CAPTURE;
- snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops);
- ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pxa2xx_ac97_pcm_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pxa2xx_ac97_pcm_ops);
+ ret = pxa2xx_pcm_preallocate_dma_buffer(pcm);
if (ret)
goto out;
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index e81083e1bc68..0a48805e513a 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -54,19 +54,10 @@ int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
if (ret)
return ret;
- snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
-
return 0;
}
EXPORT_SYMBOL(pxa2xx_pcm_hw_params);
-int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- snd_pcm_set_runtime_buffer(substream, NULL);
- return 0;
-}
-EXPORT_SYMBOL(pxa2xx_pcm_hw_free);
-
int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
return snd_dmaengine_pcm_trigger(substream, cmd);
@@ -131,56 +122,14 @@ int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
}
EXPORT_SYMBOL(pxa2xx_pcm_close);
-int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
- struct vm_area_struct *vma)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- return dma_mmap_wc(substream->pcm->card->dev, vma, runtime->dma_area,
- runtime->dma_addr, runtime->dma_bytes);
-}
-EXPORT_SYMBOL(pxa2xx_pcm_mmap);
-
-int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm)
{
- struct snd_pcm_substream *substream = pcm->streams[stream].substream;
- struct snd_dma_buffer *buf = &substream->dma_buffer;
size_t size = pxa2xx_pcm_hardware.buffer_bytes_max;
- buf->dev.type = SNDRV_DMA_TYPE_DEV;
- buf->dev.dev = pcm->card->dev;
- buf->private_data = NULL;
- buf->area = dma_alloc_wc(pcm->card->dev, size, &buf->addr, GFP_KERNEL);
- if (!buf->area)
- return -ENOMEM;
- buf->bytes = size;
- return 0;
-}
-EXPORT_SYMBOL(pxa2xx_pcm_preallocate_dma_buffer);
-void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
-{
- struct snd_pcm_substream *substream;
- struct snd_dma_buffer *buf;
- int stream;
-
- for (stream = 0; stream < 2; stream++) {
- substream = pcm->streams[stream].substream;
- if (!substream)
- continue;
- buf = &substream->dma_buffer;
- if (!buf->area)
- continue;
- dma_free_wc(pcm->card->dev, buf->bytes, buf->area, buf->addr);
- buf->area = NULL;
- }
-}
-EXPORT_SYMBOL(pxa2xx_pcm_free_dma_buffers);
-
-void pxa2xx_soc_pcm_free(struct snd_soc_component *component,
- struct snd_pcm *pcm)
-{
- pxa2xx_pcm_free_dma_buffers(pcm);
+ return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_WC,
+ pcm->card->dev, size);
}
-EXPORT_SYMBOL(pxa2xx_soc_pcm_free);
+EXPORT_SYMBOL(pxa2xx_pcm_preallocate_dma_buffer);
int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
struct snd_soc_pcm_runtime *rtd)
@@ -193,21 +142,7 @@ int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
if (ret)
return ret;
- if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
- ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
- SNDRV_PCM_STREAM_PLAYBACK);
- if (ret)
- goto out;
- }
-
- if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
- ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
- SNDRV_PCM_STREAM_CAPTURE);
- if (ret)
- goto out;
- }
- out:
- return ret;
+ return pxa2xx_pcm_preallocate_dma_buffer(pcm);
}
EXPORT_SYMBOL(pxa2xx_soc_pcm_new);
@@ -233,13 +168,6 @@ int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
}
EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_params);
-int pxa2xx_soc_pcm_hw_free(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- return pxa2xx_pcm_hw_free(substream);
-}
-EXPORT_SYMBOL(pxa2xx_soc_pcm_hw_free);
-
int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
@@ -262,14 +190,6 @@ pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
}
EXPORT_SYMBOL(pxa2xx_soc_pcm_pointer);
-int pxa2xx_soc_pcm_mmap(struct snd_soc_component *component,
- struct snd_pcm_substream *substream,
- struct vm_area_struct *vma)
-{
- return pxa2xx_pcm_mmap(substream, vma);
-}
-EXPORT_SYMBOL(pxa2xx_soc_pcm_mmap);
-
MODULE_AUTHOR("Nicolas Pitre");
MODULE_DESCRIPTION("Intel PXA2xx sound library");
MODULE_LICENSE("GPL");