diff options
Diffstat (limited to 'sound/soc/ux500/ux500_pcm.c')
| -rw-r--r-- | sound/soc/ux500/ux500_pcm.c | 65 |
1 files changed, 33 insertions, 32 deletions
diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c index ce554de5d9dc..51a66a87305a 100644 --- a/sound/soc/ux500/ux500_pcm.c +++ b/sound/soc/ux500/ux500_pcm.c @@ -28,12 +28,6 @@ #include "ux500_msp_i2s.h" #include "ux500_pcm.h" -#define UX500_PLATFORM_MIN_RATE 8000 -#define UX500_PLATFORM_MAX_RATE 48000 - -#define UX500_PLATFORM_MIN_CHANNELS 1 -#define UX500_PLATFORM_MAX_CHANNELS 8 - #define UX500_PLATFORM_PERIODS_BYTES_MIN 128 #define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE) #define UX500_PLATFORM_PERIODS_MIN 2 @@ -45,15 +39,6 @@ static const struct snd_pcm_hardware ux500_pcm_hw = { SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_PAUSE, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_U16_LE | - SNDRV_PCM_FMTBIT_S16_BE | - SNDRV_PCM_FMTBIT_U16_BE, - .rates = SNDRV_PCM_RATE_KNOT, - .rate_min = UX500_PLATFORM_MIN_RATE, - .rate_max = UX500_PLATFORM_MAX_RATE, - .channels_min = UX500_PLATFORM_MIN_CHANNELS, - .channels_max = UX500_PLATFORM_MAX_CHANNELS, .buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX, .period_bytes_min = UX500_PLATFORM_PERIODS_BYTES_MIN, .period_bytes_max = UX500_PLATFORM_PERIODS_BYTES_MAX, @@ -65,14 +50,10 @@ static struct dma_chan *ux500_pcm_request_chan(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_substream *substream) { struct snd_soc_dai *dai = rtd->cpu_dai; - struct device *dev = dai->dev; u16 per_data_width, mem_data_width; struct stedma40_chan_cfg *dma_cfg; struct ux500_msp_dma_params *dma_params; - dev_dbg(dev, "%s: MSP %d (%s): Enter.\n", __func__, dai->id, - snd_pcm_stream_str(substream)); - dma_params = snd_soc_dai_get_dma_data(dai, substream); dma_cfg = dma_params->dma_cfg; @@ -108,26 +89,36 @@ static int ux500_pcm_prepare_slave_config(struct snd_pcm_substream *substream, struct dma_slave_config *slave_config) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct ux500_msp_dma_params *dma_params; - struct stedma40_chan_cfg *dma_cfg; + struct msp_i2s_platform_data *pdata = rtd->cpu_dai->dev->platform_data; + struct snd_dmaengine_dai_dma_data *snd_dma_params; + struct ux500_msp_dma_params *ste_dma_params; + dma_addr_t dma_addr; int ret; - dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - dma_cfg = dma_params->dma_cfg; + if (pdata) { + ste_dma_params = + snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + dma_addr = ste_dma_params->tx_rx_addr; + } else { + snd_dma_params = + snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + dma_addr = snd_dma_params->addr; + } ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config); if (ret) return ret; slave_config->dst_maxburst = 4; - slave_config->dst_addr_width = dma_cfg->dst_info.data_width; slave_config->src_maxburst = 4; - slave_config->src_addr_width = dma_cfg->src_info.data_width; + + slave_config->src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - slave_config->dst_addr = dma_params->tx_rx_addr; + slave_config->dst_addr = dma_addr; else - slave_config->src_addr = dma_params->tx_rx_addr; + slave_config->src_addr = dma_addr; return 0; } @@ -139,15 +130,25 @@ static const struct snd_dmaengine_pcm_config ux500_dmaengine_pcm_config = { .prepare_slave_config = ux500_pcm_prepare_slave_config, }; +static const struct snd_dmaengine_pcm_config ux500_dmaengine_of_pcm_config = { + .compat_request_channel = ux500_pcm_request_chan, + .prepare_slave_config = ux500_pcm_prepare_slave_config, +}; + int ux500_pcm_register_platform(struct platform_device *pdev) { + const struct snd_dmaengine_pcm_config *pcm_config; + struct device_node *np = pdev->dev.of_node; int ret; - ret = snd_dmaengine_pcm_register(&pdev->dev, - &ux500_dmaengine_pcm_config, - SND_DMAENGINE_PCM_FLAG_NO_RESIDUE | - SND_DMAENGINE_PCM_FLAG_COMPAT | - SND_DMAENGINE_PCM_FLAG_NO_DT); + if (np) + pcm_config = &ux500_dmaengine_of_pcm_config; + else + pcm_config = &ux500_dmaengine_pcm_config; + + ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config, + SND_DMAENGINE_PCM_FLAG_NO_RESIDUE | + SND_DMAENGINE_PCM_FLAG_COMPAT); if (ret < 0) { dev_err(&pdev->dev, "%s: ERROR: Failed to register platform '%s' (%d)!\n", |