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Diffstat (limited to 'sound/soc/ux500/ux500_pcm.c')
-rw-r--r--sound/soc/ux500/ux500_pcm.c65
1 files changed, 33 insertions, 32 deletions
diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c
index ce554de5d9d..51a66a87305 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",