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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-07 15:03:02 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-09 14:34:30 -0400
commitb545dd924b4ffaf1e4fdd73fe7e9b6eb01e45aea (patch)
tree09e8f6b26074991afe6a3fafe2b27e3d750b422f /sound/soc/samsung
parent94237f8e8ed5c2bfc5d8a28cdda241170eda6994 (diff)
ASoC: bells: Add machine driver for Wolfson Bells boards
The Wolfson Bells board takes submodules for various audio functions but since the system integrations are virtually identical for most of them we can support the overwhemling majority from the same machine driver. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/samsung')
-rw-r--r--sound/soc/samsung/Kconfig8
-rw-r--r--sound/soc/samsung/Makefile2
-rw-r--r--sound/soc/samsung/bells.c346
3 files changed, 356 insertions, 0 deletions
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
index fe3995ce9b38..fb5600083612 100644
--- a/sound/soc/samsung/Kconfig
+++ b/sound/soc/samsung/Kconfig
@@ -199,6 +199,14 @@ config SND_SOC_TOBERMORY
199 select SND_SAMSUNG_I2S 199 select SND_SAMSUNG_I2S
200 select SND_SOC_WM8962 200 select SND_SOC_WM8962
201 201
202config SND_SOC_BELLS
203 tristate "Audio support for Wolfson Bells"
204 depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410
205 select SND_SAMSUNG_I2S
206 select SND_SOC_WM5102
207 select SND_SOC_WM5110
208 select SND_SOC_WM9081
209
202config SND_SOC_LOWLAND 210config SND_SOC_LOWLAND
203 tristate "Audio support for Wolfson Lowland" 211 tristate "Audio support for Wolfson Lowland"
204 depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410 212 depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410
diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile
index 9d03beb40c86..709f6059ad67 100644
--- a/sound/soc/samsung/Makefile
+++ b/sound/soc/samsung/Makefile
@@ -42,6 +42,7 @@ snd-soc-speyside-objs := speyside.o
42snd-soc-tobermory-objs := tobermory.o 42snd-soc-tobermory-objs := tobermory.o
43snd-soc-lowland-objs := lowland.o 43snd-soc-lowland-objs := lowland.o
44snd-soc-littlemill-objs := littlemill.o 44snd-soc-littlemill-objs := littlemill.o
45snd-soc-bells-objs := bells.o
45 46
46obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o 47obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o
47obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o 48obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
@@ -65,3 +66,4 @@ obj-$(CONFIG_SND_SOC_SPEYSIDE) += snd-soc-speyside.o
65obj-$(CONFIG_SND_SOC_TOBERMORY) += snd-soc-tobermory.o 66obj-$(CONFIG_SND_SOC_TOBERMORY) += snd-soc-tobermory.o
66obj-$(CONFIG_SND_SOC_LOWLAND) += snd-soc-lowland.o 67obj-$(CONFIG_SND_SOC_LOWLAND) += snd-soc-lowland.o
67obj-$(CONFIG_SND_SOC_LITTLEMILL) += snd-soc-littlemill.o 68obj-$(CONFIG_SND_SOC_LITTLEMILL) += snd-soc-littlemill.o
69obj-$(CONFIG_SND_SOC_BELLS) += snd-soc-bells.o
diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c
new file mode 100644
index 000000000000..5dc10dfc0d42
--- /dev/null
+++ b/sound/soc/samsung/bells.c
@@ -0,0 +1,346 @@
1/*
2 * Bells audio support
3 *
4 * Copyright 2012 Wolfson Microelectronics
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 */
11
12#include <sound/soc.h>
13#include <sound/soc-dapm.h>
14#include <sound/jack.h>
15#include <linux/gpio.h>
16#include <linux/module.h>
17
18#include "../codecs/wm5102.h"
19#include "../codecs/wm9081.h"
20
21/*
22 * 44.1kHz based clocks for the SYSCLK domain, use a very high clock
23 * to allow all the DSP functionality to be enabled if desired.
24 */
25#define SYSCLK_RATE (44100 * 1024)
26
27/* 48kHz based clocks for the ASYNC domain */
28#define ASYNCCLK_RATE (48000 * 512)
29
30/* BCLK2 is fixed at this currently */
31#define BCLK2_RATE (64 * 8000)
32
33/*
34 * Expect a 24.576MHz crystal if one is fitted (the driver will function
35 * if this is not fitted).
36 */
37#define MCLK_RATE 24576000
38
39#define WM9081_AUDIO_RATE 44100
40#define WM9081_MCLK_RATE (WM9081_AUDIO_RATE * 256)
41
42static int bells_set_bias_level(struct snd_soc_card *card,
43 struct snd_soc_dapm_context *dapm,
44 enum snd_soc_bias_level level)
45{
46 struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
47 struct snd_soc_codec *codec = codec_dai->codec;
48 int ret;
49
50 if (dapm->dev != codec_dai->dev)
51 return 0;
52
53 switch (level) {
54 case SND_SOC_BIAS_PREPARE:
55 if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
56 ret = snd_soc_codec_set_pll(codec, WM5102_FLL1,
57 ARIZONA_FLL_SRC_MCLK1,
58 MCLK_RATE,
59 SYSCLK_RATE);
60 if (ret < 0)
61 pr_err("Failed to start FLL: %d\n", ret);
62
63 ret = snd_soc_codec_set_pll(codec, WM5102_FLL2,
64 ARIZONA_FLL_SRC_AIF2BCLK,
65 BCLK2_RATE,
66 ASYNCCLK_RATE);
67 if (ret < 0)
68 pr_err("Failed to start FLL: %d\n", ret);
69 }
70 break;
71
72 default:
73 break;
74 }
75
76 return 0;
77}
78
79static int bells_set_bias_level_post(struct snd_soc_card *card,
80 struct snd_soc_dapm_context *dapm,
81 enum snd_soc_bias_level level)
82{
83 struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
84 struct snd_soc_codec *codec = codec_dai->codec;
85 int ret;
86
87 if (dapm->dev != codec_dai->dev)
88 return 0;
89
90 switch (level) {
91 case SND_SOC_BIAS_STANDBY:
92 ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, 0, 0, 0);
93 if (ret < 0) {
94 pr_err("Failed to stop FLL: %d\n", ret);
95 return ret;
96 }
97
98 ret = snd_soc_codec_set_pll(codec, WM5102_FLL2, 0, 0, 0);
99 if (ret < 0) {
100 pr_err("Failed to stop FLL: %d\n", ret);
101 return ret;
102 }
103 break;
104
105 default:
106 break;
107 }
108
109 dapm->bias_level = level;
110
111 return 0;
112}
113
114static int bells_late_probe(struct snd_soc_card *card)
115{
116 struct snd_soc_codec *codec = card->rtd[0].codec;
117 struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai;
118 struct snd_soc_dai *aif2_dai = card->rtd[1].cpu_dai;
119 struct snd_soc_dai *aif3_dai = card->rtd[2].cpu_dai;
120 struct snd_soc_dai *wm9081_dai = card->rtd[2].codec_dai;
121 int ret;
122
123 ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
124 if (ret != 0) {
125 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
126 return ret;
127 }
128
129 ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
130 if (ret != 0) {
131 dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
132 return ret;
133 }
134
135 ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
136 if (ret != 0) {
137 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
138 return ret;
139 }
140
141 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK,
142 ARIZONA_CLK_SRC_FLL1, SYSCLK_RATE,
143 SND_SOC_CLOCK_IN);
144 if (ret != 0) {
145 dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret);
146 return ret;
147 }
148
149 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_OPCLK, 0,
150 WM9081_MCLK_RATE, SND_SOC_CLOCK_OUT);
151 if (ret != 0) {
152 dev_err(codec->dev, "Failed to set OPCLK: %d\n", ret);
153 return ret;
154 }
155
156 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_ASYNCCLK,
157 ARIZONA_CLK_SRC_FLL2, ASYNCCLK_RATE,
158 SND_SOC_CLOCK_IN);
159 if (ret != 0) {
160 dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret);
161 return ret;
162 }
163
164 ret = snd_soc_codec_set_sysclk(wm9081_dai->codec, WM9081_SYSCLK_MCLK,
165 0, WM9081_MCLK_RATE, 0);
166 if (ret != 0) {
167 dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
168 return ret;
169 }
170
171 return 0;
172}
173
174static const struct snd_soc_pcm_stream baseband_params = {
175 .formats = SNDRV_PCM_FMTBIT_S32_LE,
176 .rate_min = 8000,
177 .rate_max = 8000,
178 .channels_min = 2,
179 .channels_max = 2,
180};
181
182static const struct snd_soc_pcm_stream sub_params = {
183 .formats = SNDRV_PCM_FMTBIT_S32_LE,
184 .rate_min = WM9081_AUDIO_RATE,
185 .rate_max = WM9081_AUDIO_RATE,
186 .channels_min = 2,
187 .channels_max = 2,
188};
189
190static struct snd_soc_dai_link bells_dai_wm5102[] = {
191 {
192 .name = "CPU",
193 .stream_name = "CPU",
194 .cpu_dai_name = "samsung-i2s.0",
195 .codec_dai_name = "wm5102-aif1",
196 .platform_name = "samsung-audio",
197 .codec_name = "wm5102-codec",
198 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
199 | SND_SOC_DAIFMT_CBM_CFM,
200 },
201 {
202 .name = "Baseband",
203 .stream_name = "Baseband",
204 .cpu_dai_name = "wm5102-aif2",
205 .codec_dai_name = "wm1250-ev1",
206 .codec_name = "wm1250-ev1.1-0027",
207 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
208 | SND_SOC_DAIFMT_CBM_CFM,
209 .ignore_suspend = 1,
210 .params = &baseband_params,
211 },
212 {
213 .name = "Sub",
214 .stream_name = "Sub",
215 .cpu_dai_name = "wm5102-aif3",
216 .codec_dai_name = "wm9081-hifi",
217 .codec_name = "wm9081.1-006c",
218 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
219 | SND_SOC_DAIFMT_CBS_CFS,
220 .ignore_suspend = 1,
221 .params = &sub_params,
222 },
223};
224
225static struct snd_soc_dai_link bells_dai_wm5110[] = {
226 {
227 .name = "CPU",
228 .stream_name = "CPU",
229 .cpu_dai_name = "samsung-i2s.0",
230 .codec_dai_name = "wm5110-aif1",
231 .platform_name = "samsung-audio",
232 .codec_name = "wm5110-codec",
233 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
234 | SND_SOC_DAIFMT_CBM_CFM,
235 },
236 {
237 .name = "Baseband",
238 .stream_name = "Baseband",
239 .cpu_dai_name = "wm5110-aif2",
240 .codec_dai_name = "wm1250-ev1",
241 .codec_name = "wm1250-ev1.1-0027",
242 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
243 | SND_SOC_DAIFMT_CBM_CFM,
244 .ignore_suspend = 1,
245 .params = &baseband_params,
246 },
247 {
248 .name = "Sub",
249 .stream_name = "Sub",
250 .cpu_dai_name = "wm5102-aif3",
251 .codec_dai_name = "wm9081-hifi",
252 .codec_name = "wm9081.1-006c",
253 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
254 | SND_SOC_DAIFMT_CBS_CFS,
255 .ignore_suspend = 1,
256 .params = &sub_params,
257 },
258};
259
260static struct snd_soc_codec_conf bells_codec_conf[] = {
261 {
262 .dev_name = "wm9081.1-006c",
263 .name_prefix = "Sub",
264 },
265};
266
267static struct snd_soc_dapm_route bells_routes[] = {
268 { "Sub CLK_SYS", NULL, "OPCLK" },
269};
270
271static struct snd_soc_card bells_cards[] = {
272 {
273 .name = "Bells WM5102",
274 .owner = THIS_MODULE,
275 .dai_link = bells_dai_wm5102,
276 .num_links = ARRAY_SIZE(bells_dai_wm5102),
277 .codec_conf = bells_codec_conf,
278 .num_configs = ARRAY_SIZE(bells_codec_conf),
279
280 .late_probe = bells_late_probe,
281
282 .dapm_routes = bells_routes,
283 .num_dapm_routes = ARRAY_SIZE(bells_routes),
284
285 .set_bias_level = bells_set_bias_level,
286 .set_bias_level_post = bells_set_bias_level_post,
287 },
288 {
289 .name = "Bells WM5110",
290 .owner = THIS_MODULE,
291 .dai_link = bells_dai_wm5110,
292 .num_links = ARRAY_SIZE(bells_dai_wm5110),
293 .codec_conf = bells_codec_conf,
294 .num_configs = ARRAY_SIZE(bells_codec_conf),
295
296 .late_probe = bells_late_probe,
297
298 .dapm_routes = bells_routes,
299 .num_dapm_routes = ARRAY_SIZE(bells_routes),
300
301 .set_bias_level = bells_set_bias_level,
302 .set_bias_level_post = bells_set_bias_level_post,
303 },
304};
305
306
307static __devinit int bells_probe(struct platform_device *pdev)
308{
309 int ret;
310
311 bells_cards[pdev->id].dev = &pdev->dev;
312
313 ret = snd_soc_register_card(&bells_cards[pdev->id]);
314 if (ret) {
315 dev_err(&pdev->dev,
316 "snd_soc_register_card(%s) failed: %d\n",
317 bells_cards[pdev->id].name, ret);
318 return ret;
319 }
320
321 return 0;
322}
323
324static int __devexit bells_remove(struct platform_device *pdev)
325{
326 snd_soc_unregister_card(&bells_cards[pdev->id]);
327
328 return 0;
329}
330
331static struct platform_driver bells_driver = {
332 .driver = {
333 .name = "bells",
334 .owner = THIS_MODULE,
335 .pm = &snd_soc_pm_ops,
336 },
337 .probe = bells_probe,
338 .remove = __devexit_p(bells_remove),
339};
340
341module_platform_driver(bells_driver);
342
343MODULE_DESCRIPTION("Bells audio support");
344MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
345MODULE_LICENSE("GPL");
346MODULE_ALIAS("platform:bells");