diff options
| -rw-r--r-- | sound/soc/bcm/cygnus-pcm.c | 107 |
1 files changed, 3 insertions, 104 deletions
diff --git a/sound/soc/bcm/cygnus-pcm.c b/sound/soc/bcm/cygnus-pcm.c index 7ad07239f99c..56b71b965624 100644 --- a/sound/soc/bcm/cygnus-pcm.c +++ b/sound/soc/bcm/cygnus-pcm.c @@ -636,36 +636,6 @@ static int cygnus_pcm_close(struct snd_soc_component *component, return 0; } -static int cygnus_pcm_hw_params(struct snd_soc_component *component, - struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct cygnus_aio_port *aio; - - aio = cygnus_dai_get_dma_data(substream); - dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s port %d\n", __func__, aio->portnum); - - snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); - runtime->dma_bytes = params_buffer_bytes(params); - - return 0; -} - -static int cygnus_pcm_hw_free(struct snd_soc_component *component, - struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct cygnus_aio_port *aio; - - aio = cygnus_dai_get_dma_data(substream); - dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s port %d\n", __func__, aio->portnum); - - snd_pcm_set_runtime_buffer(substream, NULL); - return 0; -} - static int cygnus_pcm_prepare(struct snd_soc_component *component, struct snd_pcm_substream *substream) { @@ -730,87 +700,19 @@ static snd_pcm_uframes_t cygnus_pcm_pointer(struct snd_soc_component *component, return bytes_to_frames(substream->runtime, res); } -static int cygnus_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) -{ - struct snd_pcm_substream *substream = pcm->streams[stream].substream; - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct snd_dma_buffer *buf = &substream->dma_buffer; - size_t size; - - size = cygnus_pcm_hw.buffer_bytes_max; - - buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = pcm->card->dev; - buf->private_data = NULL; - buf->area = dma_alloc_coherent(pcm->card->dev, size, - &buf->addr, GFP_KERNEL); - - dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "%s: size 0x%zx @ %pK\n", - __func__, size, buf->area); - - if (!buf->area) { - dev_err(asoc_rtd_to_cpu(rtd, 0)->dev, "%s: dma_alloc failed\n", __func__); - return -ENOMEM; - } - buf->bytes = size; - - return 0; -} - -static void cygnus_dma_free_dma_buffers(struct snd_soc_component *component, - struct snd_pcm *pcm) -{ - struct snd_pcm_substream *substream; - struct snd_dma_buffer *buf; - - substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; - if (substream) { - buf = &substream->dma_buffer; - if (buf->area) { - dma_free_coherent(pcm->card->dev, buf->bytes, - buf->area, buf->addr); - buf->area = NULL; - } - } - - substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; - if (substream) { - buf = &substream->dma_buffer; - if (buf->area) { - dma_free_coherent(pcm->card->dev, buf->bytes, - buf->area, buf->addr); - buf->area = NULL; - } - } -} - static int cygnus_dma_new(struct snd_soc_component *component, struct snd_soc_pcm_runtime *rtd) { + size_t size = cygnus_pcm_hw.buffer_bytes_max; struct snd_card *card = rtd->card->snd_card; - struct snd_pcm *pcm = rtd->pcm; - int ret; if (!card->dev->dma_mask) card->dev->dma_mask = &cygnus_dma_dmamask; if (!card->dev->coherent_dma_mask) card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { - ret = cygnus_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_PLAYBACK); - if (ret) - return ret; - } - - if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - ret = cygnus_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_CAPTURE); - if (ret) { - cygnus_dma_free_dma_buffers(component, pcm); - return ret; - } - } + snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV, + card->dev, size, size); return 0; } @@ -818,13 +720,10 @@ static int cygnus_dma_new(struct snd_soc_component *component, static struct snd_soc_component_driver cygnus_soc_platform = { .open = cygnus_pcm_open, .close = cygnus_pcm_close, - .hw_params = cygnus_pcm_hw_params, - .hw_free = cygnus_pcm_hw_free, .prepare = cygnus_pcm_prepare, .trigger = cygnus_pcm_trigger, .pointer = cygnus_pcm_pointer, .pcm_construct = cygnus_dma_new, - .pcm_destruct = cygnus_dma_free_dma_buffers, }; int cygnus_soc_platform_register(struct device *dev, |