diff options
Diffstat (limited to 'sound/soc/davinci/davinci-pcm.c')
| -rw-r--r-- | sound/soc/davinci/davinci-pcm.c | 60 |
1 files changed, 12 insertions, 48 deletions
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c index afab81f844a..7809e9d935f 100644 --- a/sound/soc/davinci/davinci-pcm.c +++ b/sound/soc/davinci/davinci-pcm.c @@ -17,6 +17,7 @@ #include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/genalloc.h> +#include <linux/platform_data/edma.h> #include <sound/core.h> #include <sound/pcm.h> @@ -45,33 +46,11 @@ static void print_buf_info(int slot, char *name) } #endif -#define DAVINCI_PCM_FMTBITS (\ - SNDRV_PCM_FMTBIT_S8 |\ - SNDRV_PCM_FMTBIT_U8 |\ - SNDRV_PCM_FMTBIT_S16_LE |\ - SNDRV_PCM_FMTBIT_S16_BE |\ - SNDRV_PCM_FMTBIT_U16_LE |\ - SNDRV_PCM_FMTBIT_U16_BE |\ - SNDRV_PCM_FMTBIT_S24_LE |\ - SNDRV_PCM_FMTBIT_S24_BE |\ - SNDRV_PCM_FMTBIT_U24_LE |\ - SNDRV_PCM_FMTBIT_U24_BE |\ - SNDRV_PCM_FMTBIT_S32_LE |\ - SNDRV_PCM_FMTBIT_S32_BE |\ - SNDRV_PCM_FMTBIT_U32_LE |\ - SNDRV_PCM_FMTBIT_U32_BE) - static struct snd_pcm_hardware pcm_hardware_playback = { .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_RESUME| SNDRV_PCM_INFO_BATCH), - .formats = DAVINCI_PCM_FMTBITS, - .rates = SNDRV_PCM_RATE_8000_192000 | SNDRV_PCM_RATE_KNOT, - .rate_min = 8000, - .rate_max = 192000, - .channels_min = 2, - .channels_max = 384, .buffer_bytes_max = 128 * 1024, .period_bytes_min = 32, .period_bytes_max = 8 * 1024, @@ -85,12 +64,6 @@ static struct snd_pcm_hardware pcm_hardware_capture = { SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_BATCH), - .formats = DAVINCI_PCM_FMTBITS, - .rates = SNDRV_PCM_RATE_8000_192000 | SNDRV_PCM_RATE_KNOT, - .rate_min = 8000, - .rate_max = 192000, - .channels_min = 2, - .channels_max = 384, .buffer_bytes_max = 128 * 1024, .period_bytes_min = 32, .period_bytes_max = 8 * 1024, @@ -200,7 +173,7 @@ static void davinci_pcm_enqueue_dma(struct snd_pcm_substream *substream) src = dma_pos; dst = prtd->params->dma_addr; src_bidx = data_type; - dst_bidx = 0; + dst_bidx = 4; src_cidx = data_type * fifo_level; dst_cidx = 0; } else { @@ -223,9 +196,10 @@ static void davinci_pcm_enqueue_dma(struct snd_pcm_substream *substream) edma_set_transfer_params(prtd->asp_link[0], acnt, count, 1, 0, ASYNC); else - edma_set_transfer_params(prtd->asp_link[0], acnt, fifo_level, - count, fifo_level, - ABSYNC); + edma_set_transfer_params(prtd->asp_link[0], acnt, + fifo_level, + count, fifo_level, + ABSYNC); } static void davinci_pcm_dma_irq(unsigned link, u16 ch_status, void *data) @@ -236,7 +210,7 @@ static void davinci_pcm_dma_irq(unsigned link, u16 ch_status, void *data) print_buf_info(prtd->ram_channel, "i ram_channel"); pr_debug("davinci_pcm: link=%d, status=0x%x\n", link, ch_status); - if (unlikely(ch_status != DMA_COMPLETE)) + if (unlikely(ch_status != EDMA_DMA_COMPLETE)) return; if (snd_pcm_running(substream)) { @@ -265,10 +239,9 @@ static int allocate_sram(struct snd_pcm_substream *substream, return 0; ppcm->period_bytes_max = size; - iram_virt = (void *)gen_pool_alloc(sram_pool, size); + iram_virt = gen_pool_dma_alloc(sram_pool, size, &iram_phys); if (!iram_virt) goto exit1; - iram_phys = gen_pool_virt_to_phys(sram_pool, (unsigned)iram_virt); iram_dma = kzalloc(sizeof(*iram_dma), GFP_KERNEL); if (!iram_dma) goto exit2; @@ -842,18 +815,15 @@ static void davinci_pcm_free(struct snd_pcm *pcm) } } -static u64 davinci_pcm_dmamask = DMA_BIT_MASK(32); - static int davinci_pcm_new(struct snd_soc_pcm_runtime *rtd) { 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 = &davinci_pcm_dmamask; - if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(32); + ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { ret = davinci_pcm_preallocate_dma_buffer(pcm, @@ -882,16 +852,10 @@ static struct snd_soc_platform_driver davinci_soc_platform = { int davinci_soc_platform_register(struct device *dev) { - return snd_soc_register_platform(dev, &davinci_soc_platform); + return devm_snd_soc_register_platform(dev, &davinci_soc_platform); } EXPORT_SYMBOL_GPL(davinci_soc_platform_register); -void davinci_soc_platform_unregister(struct device *dev) -{ - snd_soc_unregister_platform(dev); -} -EXPORT_SYMBOL_GPL(davinci_soc_platform_unregister); - MODULE_AUTHOR("Vladimir Barinov"); MODULE_DESCRIPTION("TI DAVINCI PCM DMA module"); MODULE_LICENSE("GPL"); |