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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-12 08:57:04 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-12 08:57:04 -0400
commit38e8c895d33b0642dc341f83cce0adde4cffbc82 (patch)
tree3657c043986d5c944f971c9685ae4a68f5a5b035 /sound/soc/ux500
parentd66e065c5b8b64b03a9d9b8a7c5d674c7dfa2e3d (diff)
parent69b6f19622ce0aef41df884b75e3f789c64b89c0 (diff)
Merge remote-tracking branch 'asoc/topic/dma' into asoc-next
Diffstat (limited to 'sound/soc/ux500')
-rw-r--r--sound/soc/ux500/ux500_pcm.c76
-rw-r--r--sound/soc/ux500/ux500_pcm.h14
2 files changed, 16 insertions, 74 deletions
diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c
index 846fa82a58d0..09b5364e5095 100644
--- a/sound/soc/ux500/ux500_pcm.c
+++ b/sound/soc/ux500/ux500_pcm.c
@@ -28,28 +28,19 @@
28#include "ux500_msp_i2s.h" 28#include "ux500_msp_i2s.h"
29#include "ux500_pcm.h" 29#include "ux500_pcm.h"
30 30
31static struct snd_pcm_hardware ux500_pcm_hw_playback = { 31#define UX500_PLATFORM_MIN_RATE 8000
32 .info = SNDRV_PCM_INFO_INTERLEAVED | 32#define UX500_PLATFORM_MAX_RATE 48000
33 SNDRV_PCM_INFO_MMAP | 33
34 SNDRV_PCM_INFO_RESUME | 34#define UX500_PLATFORM_MIN_CHANNELS 1
35 SNDRV_PCM_INFO_PAUSE, 35#define UX500_PLATFORM_MAX_CHANNELS 8
36 .formats = SNDRV_PCM_FMTBIT_S16_LE |
37 SNDRV_PCM_FMTBIT_U16_LE |
38 SNDRV_PCM_FMTBIT_S16_BE |
39 SNDRV_PCM_FMTBIT_U16_BE,
40 .rates = SNDRV_PCM_RATE_KNOT,
41 .rate_min = UX500_PLATFORM_MIN_RATE_PLAYBACK,
42 .rate_max = UX500_PLATFORM_MAX_RATE_PLAYBACK,
43 .channels_min = UX500_PLATFORM_MIN_CHANNELS,
44 .channels_max = UX500_PLATFORM_MAX_CHANNELS,
45 .buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX,
46 .period_bytes_min = UX500_PLATFORM_PERIODS_BYTES_MIN,
47 .period_bytes_max = UX500_PLATFORM_PERIODS_BYTES_MAX,
48 .periods_min = UX500_PLATFORM_PERIODS_MIN,
49 .periods_max = UX500_PLATFORM_PERIODS_MAX,
50};
51 36
52static struct snd_pcm_hardware ux500_pcm_hw_capture = { 37#define UX500_PLATFORM_PERIODS_BYTES_MIN 128
38#define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE)
39#define UX500_PLATFORM_PERIODS_MIN 2
40#define UX500_PLATFORM_PERIODS_MAX 48
41#define UX500_PLATFORM_BUFFER_BYTES_MAX (2048 * PAGE_SIZE)
42
43static struct snd_pcm_hardware ux500_pcm_hw = {
53 .info = SNDRV_PCM_INFO_INTERLEAVED | 44 .info = SNDRV_PCM_INFO_INTERLEAVED |
54 SNDRV_PCM_INFO_MMAP | 45 SNDRV_PCM_INFO_MMAP |
55 SNDRV_PCM_INFO_RESUME | 46 SNDRV_PCM_INFO_RESUME |
@@ -59,8 +50,8 @@ static struct snd_pcm_hardware ux500_pcm_hw_capture = {
59 SNDRV_PCM_FMTBIT_S16_BE | 50 SNDRV_PCM_FMTBIT_S16_BE |
60 SNDRV_PCM_FMTBIT_U16_BE, 51 SNDRV_PCM_FMTBIT_U16_BE,
61 .rates = SNDRV_PCM_RATE_KNOT, 52 .rates = SNDRV_PCM_RATE_KNOT,
62 .rate_min = UX500_PLATFORM_MIN_RATE_CAPTURE, 53 .rate_min = UX500_PLATFORM_MIN_RATE,
63 .rate_max = UX500_PLATFORM_MAX_RATE_CAPTURE, 54 .rate_max = UX500_PLATFORM_MAX_RATE,
64 .channels_min = UX500_PLATFORM_MIN_CHANNELS, 55 .channels_min = UX500_PLATFORM_MIN_CHANNELS,
65 .channels_max = UX500_PLATFORM_MAX_CHANNELS, 56 .channels_max = UX500_PLATFORM_MAX_CHANNELS,
66 .buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX, 57 .buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX,
@@ -90,8 +81,6 @@ static void ux500_pcm_dma_hw_free(struct device *dev,
90 81
91static int ux500_pcm_open(struct snd_pcm_substream *substream) 82static int ux500_pcm_open(struct snd_pcm_substream *substream)
92{ 83{
93 int stream_id = substream->pstr->stream;
94 struct snd_pcm_runtime *runtime = substream->runtime;
95 struct snd_soc_pcm_runtime *rtd = substream->private_data; 84 struct snd_soc_pcm_runtime *rtd = substream->private_data;
96 struct snd_soc_dai *dai = rtd->cpu_dai; 85 struct snd_soc_dai *dai = rtd->cpu_dai;
97 struct device *dev = dai->dev; 86 struct device *dev = dai->dev;
@@ -104,26 +93,7 @@ static int ux500_pcm_open(struct snd_pcm_substream *substream)
104 snd_pcm_stream_str(substream)); 93 snd_pcm_stream_str(substream));
105 94
106 dev_dbg(dev, "%s: Set runtime hwparams.\n", __func__); 95 dev_dbg(dev, "%s: Set runtime hwparams.\n", __func__);
107 if (stream_id == SNDRV_PCM_STREAM_PLAYBACK) 96 snd_soc_set_runtime_hwparams(substream, &ux500_pcm_hw);
108 snd_soc_set_runtime_hwparams(substream,
109 &ux500_pcm_hw_playback);
110 else
111 snd_soc_set_runtime_hwparams(substream,
112 &ux500_pcm_hw_capture);
113
114 /* ensure that buffer size is a multiple of period size */
115 ret = snd_pcm_hw_constraint_integer(runtime,
116 SNDRV_PCM_HW_PARAM_PERIODS);
117 if (ret < 0) {
118 dev_err(dev, "%s: Error: snd_pcm_hw_constraints failed (%d)\n",
119 __func__, ret);
120 return ret;
121 }
122
123 dev_dbg(dev, "%s: Set hw-struct for %s.\n", __func__,
124 snd_pcm_stream_str(substream));
125 runtime->hw = (stream_id == SNDRV_PCM_STREAM_PLAYBACK) ?
126 ux500_pcm_hw_playback : ux500_pcm_hw_capture;
127 97
128 mem_data_width = STEDMA40_HALFWORD_WIDTH; 98 mem_data_width = STEDMA40_HALFWORD_WIDTH;
129 99
@@ -164,20 +134,6 @@ static int ux500_pcm_open(struct snd_pcm_substream *substream)
164 return ret; 134 return ret;
165 } 135 }
166 136
167 snd_dmaengine_pcm_set_data(substream, dma_cfg);
168
169 return 0;
170}
171
172static int ux500_pcm_close(struct snd_pcm_substream *substream)
173{
174 struct snd_soc_pcm_runtime *rtd = substream->private_data;
175 struct snd_soc_dai *dai = rtd->cpu_dai;
176
177 dev_dbg(dai->dev, "%s: Enter\n", __func__);
178
179 snd_dmaengine_pcm_close(substream);
180
181 return 0; 137 return 0;
182} 138}
183 139
@@ -255,7 +211,7 @@ static int ux500_pcm_mmap(struct snd_pcm_substream *substream,
255 211
256static struct snd_pcm_ops ux500_pcm_ops = { 212static struct snd_pcm_ops ux500_pcm_ops = {
257 .open = ux500_pcm_open, 213 .open = ux500_pcm_open,
258 .close = ux500_pcm_close, 214 .close = snd_dmaengine_pcm_close,
259 .ioctl = snd_pcm_lib_ioctl, 215 .ioctl = snd_pcm_lib_ioctl,
260 .hw_params = ux500_pcm_hw_params, 216 .hw_params = ux500_pcm_hw_params,
261 .hw_free = ux500_pcm_hw_free, 217 .hw_free = ux500_pcm_hw_free,
diff --git a/sound/soc/ux500/ux500_pcm.h b/sound/soc/ux500/ux500_pcm.h
index 76d344476afc..d76e1aff6458 100644
--- a/sound/soc/ux500/ux500_pcm.h
+++ b/sound/soc/ux500/ux500_pcm.h
@@ -18,20 +18,6 @@
18 18
19#include <linux/workqueue.h> 19#include <linux/workqueue.h>
20 20
21#define UX500_PLATFORM_MIN_RATE_PLAYBACK 8000
22#define UX500_PLATFORM_MAX_RATE_PLAYBACK 48000
23#define UX500_PLATFORM_MIN_RATE_CAPTURE 8000
24#define UX500_PLATFORM_MAX_RATE_CAPTURE 48000
25
26#define UX500_PLATFORM_MIN_CHANNELS 1
27#define UX500_PLATFORM_MAX_CHANNELS 8
28
29#define UX500_PLATFORM_PERIODS_BYTES_MIN 128
30#define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE)
31#define UX500_PLATFORM_PERIODS_MIN 2
32#define UX500_PLATFORM_PERIODS_MAX 48
33#define UX500_PLATFORM_BUFFER_BYTES_MAX (2048 * PAGE_SIZE)
34
35int ux500_pcm_register_platform(struct platform_device *pdev); 21int ux500_pcm_register_platform(struct platform_device *pdev);
36int ux500_pcm_unregister_platform(struct platform_device *pdev); 22int ux500_pcm_unregister_platform(struct platform_device *pdev);
37 23