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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 ce554de5d9dc..51a66a87305a 100644
--- a/sound/soc/ux500/ux500_pcm.c
+++ b/sound/soc/ux500/ux500_pcm.c
@@ -28,12 +28,6 @@
28#include "ux500_msp_i2s.h" 28#include "ux500_msp_i2s.h"
29#include "ux500_pcm.h" 29#include "ux500_pcm.h"
30 30
31#define UX500_PLATFORM_MIN_RATE 8000
32#define UX500_PLATFORM_MAX_RATE 48000
33
34#define UX500_PLATFORM_MIN_CHANNELS 1
35#define UX500_PLATFORM_MAX_CHANNELS 8
36
37#define UX500_PLATFORM_PERIODS_BYTES_MIN 128 31#define UX500_PLATFORM_PERIODS_BYTES_MIN 128
38#define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE) 32#define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE)
39#define UX500_PLATFORM_PERIODS_MIN 2 33#define UX500_PLATFORM_PERIODS_MIN 2
@@ -45,15 +39,6 @@ static const struct snd_pcm_hardware ux500_pcm_hw = {
45 SNDRV_PCM_INFO_MMAP | 39 SNDRV_PCM_INFO_MMAP |
46 SNDRV_PCM_INFO_RESUME | 40 SNDRV_PCM_INFO_RESUME |
47 SNDRV_PCM_INFO_PAUSE, 41 SNDRV_PCM_INFO_PAUSE,
48 .formats = SNDRV_PCM_FMTBIT_S16_LE |
49 SNDRV_PCM_FMTBIT_U16_LE |
50 SNDRV_PCM_FMTBIT_S16_BE |
51 SNDRV_PCM_FMTBIT_U16_BE,
52 .rates = SNDRV_PCM_RATE_KNOT,
53 .rate_min = UX500_PLATFORM_MIN_RATE,
54 .rate_max = UX500_PLATFORM_MAX_RATE,
55 .channels_min = UX500_PLATFORM_MIN_CHANNELS,
56 .channels_max = UX500_PLATFORM_MAX_CHANNELS,
57 .buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX, 42 .buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX,
58 .period_bytes_min = UX500_PLATFORM_PERIODS_BYTES_MIN, 43 .period_bytes_min = UX500_PLATFORM_PERIODS_BYTES_MIN,
59 .period_bytes_max = UX500_PLATFORM_PERIODS_BYTES_MAX, 44 .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,
65 struct snd_pcm_substream *substream) 50 struct snd_pcm_substream *substream)
66{ 51{
67 struct snd_soc_dai *dai = rtd->cpu_dai; 52 struct snd_soc_dai *dai = rtd->cpu_dai;
68 struct device *dev = dai->dev;
69 u16 per_data_width, mem_data_width; 53 u16 per_data_width, mem_data_width;
70 struct stedma40_chan_cfg *dma_cfg; 54 struct stedma40_chan_cfg *dma_cfg;
71 struct ux500_msp_dma_params *dma_params; 55 struct ux500_msp_dma_params *dma_params;
72 56
73 dev_dbg(dev, "%s: MSP %d (%s): Enter.\n", __func__, dai->id,
74 snd_pcm_stream_str(substream));
75
76 dma_params = snd_soc_dai_get_dma_data(dai, substream); 57 dma_params = snd_soc_dai_get_dma_data(dai, substream);
77 dma_cfg = dma_params->dma_cfg; 58 dma_cfg = dma_params->dma_cfg;
78 59
@@ -108,26 +89,36 @@ static int ux500_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
108 struct dma_slave_config *slave_config) 89 struct dma_slave_config *slave_config)
109{ 90{
110 struct snd_soc_pcm_runtime *rtd = substream->private_data; 91 struct snd_soc_pcm_runtime *rtd = substream->private_data;
111 struct ux500_msp_dma_params *dma_params; 92 struct msp_i2s_platform_data *pdata = rtd->cpu_dai->dev->platform_data;
112 struct stedma40_chan_cfg *dma_cfg; 93 struct snd_dmaengine_dai_dma_data *snd_dma_params;
94 struct ux500_msp_dma_params *ste_dma_params;
95 dma_addr_t dma_addr;
113 int ret; 96 int ret;
114 97
115 dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); 98 if (pdata) {
116 dma_cfg = dma_params->dma_cfg; 99 ste_dma_params =
100 snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
101 dma_addr = ste_dma_params->tx_rx_addr;
102 } else {
103 snd_dma_params =
104 snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
105 dma_addr = snd_dma_params->addr;
106 }
117 107
118 ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config); 108 ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config);
119 if (ret) 109 if (ret)
120 return ret; 110 return ret;
121 111
122 slave_config->dst_maxburst = 4; 112 slave_config->dst_maxburst = 4;
123 slave_config->dst_addr_width = dma_cfg->dst_info.data_width;
124 slave_config->src_maxburst = 4; 113 slave_config->src_maxburst = 4;
125 slave_config->src_addr_width = dma_cfg->src_info.data_width; 114
115 slave_config->src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
116 slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
126 117
127 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 118 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
128 slave_config->dst_addr = dma_params->tx_rx_addr; 119 slave_config->dst_addr = dma_addr;
129 else 120 else
130 slave_config->src_addr = dma_params->tx_rx_addr; 121 slave_config->src_addr = dma_addr;
131 122
132 return 0; 123 return 0;
133} 124}
@@ -139,15 +130,25 @@ static const struct snd_dmaengine_pcm_config ux500_dmaengine_pcm_config = {
139 .prepare_slave_config = ux500_pcm_prepare_slave_config, 130 .prepare_slave_config = ux500_pcm_prepare_slave_config,
140}; 131};
141 132
133static const struct snd_dmaengine_pcm_config ux500_dmaengine_of_pcm_config = {
134 .compat_request_channel = ux500_pcm_request_chan,
135 .prepare_slave_config = ux500_pcm_prepare_slave_config,
136};
137
142int ux500_pcm_register_platform(struct platform_device *pdev) 138int ux500_pcm_register_platform(struct platform_device *pdev)
143{ 139{
140 const struct snd_dmaengine_pcm_config *pcm_config;
141 struct device_node *np = pdev->dev.of_node;
144 int ret; 142 int ret;
145 143
146 ret = snd_dmaengine_pcm_register(&pdev->dev, 144 if (np)
147 &ux500_dmaengine_pcm_config, 145 pcm_config = &ux500_dmaengine_of_pcm_config;
148 SND_DMAENGINE_PCM_FLAG_NO_RESIDUE | 146 else
149 SND_DMAENGINE_PCM_FLAG_COMPAT | 147 pcm_config = &ux500_dmaengine_pcm_config;
150 SND_DMAENGINE_PCM_FLAG_NO_DT); 148
149 ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config,
150 SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
151 SND_DMAENGINE_PCM_FLAG_COMPAT);
151 if (ret < 0) { 152 if (ret < 0) {
152 dev_err(&pdev->dev, 153 dev_err(&pdev->dev,
153 "%s: ERROR: Failed to register platform '%s' (%d)!\n", 154 "%s: ERROR: Failed to register platform '%s' (%d)!\n",