1
2
3
4
5
6
7
8
9
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#define BCLK2_RATE (64 * 8000)
23
24
25
26
27
28#define MCLK_RATE 24576000
29
30#define SYS_AUDIO_RATE 44100
31#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512)
32
33#define DAI_AP_DSP 0
34#define DAI_DSP_CODEC 1
35#define DAI_CODEC_CP 2
36#define DAI_CODEC_SUB 3
37
38struct bells_drvdata {
39 int sysclk_rate;
40 int asyncclk_rate;
41};
42
43static struct bells_drvdata wm2200_drvdata = {
44 .sysclk_rate = 22579200,
45};
46
47static struct bells_drvdata wm5102_drvdata = {
48 .sysclk_rate = 45158400,
49 .asyncclk_rate = 49152000,
50};
51
52static struct bells_drvdata wm5110_drvdata = {
53 .sysclk_rate = 135475200,
54 .asyncclk_rate = 147456000,
55};
56
57static int bells_set_bias_level(struct snd_soc_card *card,
58 struct snd_soc_dapm_context *dapm,
59 enum snd_soc_bias_level level)
60{
61 struct snd_soc_dai *codec_dai = card->rtd[DAI_DSP_CODEC].codec_dai;
62 struct snd_soc_codec *codec = codec_dai->codec;
63 struct bells_drvdata *bells = card->drvdata;
64 int ret;
65
66 if (dapm->dev != codec_dai->dev)
67 return 0;
68
69 switch (level) {
70 case SND_SOC_BIAS_PREPARE:
71 if (dapm->bias_level != SND_SOC_BIAS_STANDBY)
72 break;
73
74 ret = snd_soc_codec_set_pll(codec, WM5102_FLL1,
75 ARIZONA_FLL_SRC_MCLK1,
76 MCLK_RATE,
77 bells->sysclk_rate);
78 if (ret < 0)
79 pr_err("Failed to start FLL: %d\n", ret);
80
81 if (bells->asyncclk_rate) {
82 ret = snd_soc_codec_set_pll(codec, WM5102_FLL2,
83 ARIZONA_FLL_SRC_AIF2BCLK,
84 BCLK2_RATE,
85 bells->asyncclk_rate);
86 if (ret < 0)
87 pr_err("Failed to start FLL: %d\n", ret);
88 }
89 break;
90
91 default:
92 break;
93 }
94
95 return 0;
96}
97
98static int bells_set_bias_level_post(struct snd_soc_card *card,
99 struct snd_soc_dapm_context *dapm,
100 enum snd_soc_bias_level level)
101{
102 struct snd_soc_dai *codec_dai = card->rtd[DAI_DSP_CODEC].codec_dai;
103 struct snd_soc_codec *codec = codec_dai->codec;
104 struct bells_drvdata *bells = card->drvdata;
105 int ret;
106
107 if (dapm->dev != codec_dai->dev)
108 return 0;
109
110 switch (level) {
111 case SND_SOC_BIAS_STANDBY:
112 ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, 0, 0, 0);
113 if (ret < 0) {
114 pr_err("Failed to stop FLL: %d\n", ret);
115 return ret;
116 }
117
118 if (bells->asyncclk_rate) {
119 ret = snd_soc_codec_set_pll(codec, WM5102_FLL2,
120 0, 0, 0);
121 if (ret < 0) {
122 pr_err("Failed to stop FLL: %d\n", ret);
123 return ret;
124 }
125 }
126 break;
127
128 default:
129 break;
130 }
131
132 dapm->bias_level = level;
133
134 return 0;
135}
136
137static int bells_late_probe(struct snd_soc_card *card)
138{
139 struct bells_drvdata *bells = card->drvdata;
140 struct snd_soc_codec *wm0010 = card->rtd[DAI_AP_DSP].codec;
141 struct snd_soc_codec *codec = card->rtd[DAI_DSP_CODEC].codec;
142 struct snd_soc_dai *aif1_dai = card->rtd[DAI_DSP_CODEC].codec_dai;
143 struct snd_soc_dai *aif2_dai;
144 struct snd_soc_dai *aif3_dai;
145 struct snd_soc_dai *wm9081_dai;
146 int ret;
147
148 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK,
149 ARIZONA_CLK_SRC_FLL1,
150 bells->sysclk_rate,
151 SND_SOC_CLOCK_IN);
152 if (ret != 0) {
153 dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret);
154 return ret;
155 }
156
157 ret = snd_soc_codec_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0);
158 if (ret != 0) {
159 dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret);
160 return ret;
161 }
162
163 ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
164 if (ret != 0)
165 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
166
167 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_OPCLK, 0,
168 SYS_MCLK_RATE, SND_SOC_CLOCK_OUT);
169 if (ret != 0)
170 dev_err(codec->dev, "Failed to set OPCLK: %d\n", ret);
171
172 if (card->num_rtd == DAI_CODEC_CP)
173 return 0;
174
175 ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_ASYNCCLK,
176 ARIZONA_CLK_SRC_FLL2,
177 bells->asyncclk_rate,
178 SND_SOC_CLOCK_IN);
179 if (ret != 0) {
180 dev_err(codec->dev, "Failed to set ASYNCCLK: %d\n", ret);
181 return ret;
182 }
183
184 aif2_dai = card->rtd[DAI_CODEC_CP].cpu_dai;
185
186 ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
187 if (ret != 0) {
188 dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
189 return ret;
190 }
191
192 if (card->num_rtd == DAI_CODEC_SUB)
193 return 0;
194
195 aif3_dai = card->rtd[DAI_CODEC_SUB].cpu_dai;
196 wm9081_dai = card->rtd[DAI_CODEC_SUB].codec_dai;
197
198 ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
199 if (ret != 0) {
200 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
201 return ret;
202 }
203
204 ret = snd_soc_codec_set_sysclk(wm9081_dai->codec, WM9081_SYSCLK_MCLK,
205 0, SYS_MCLK_RATE, 0);
206 if (ret != 0) {
207 dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
208 return ret;
209 }
210
211 return 0;
212}
213
214static const struct snd_soc_pcm_stream baseband_params = {
215 .formats = SNDRV_PCM_FMTBIT_S32_LE,
216 .rate_min = 8000,
217 .rate_max = 8000,
218 .channels_min = 2,
219 .channels_max = 2,
220};
221
222static const struct snd_soc_pcm_stream sub_params = {
223 .formats = SNDRV_PCM_FMTBIT_S32_LE,
224 .rate_min = SYS_AUDIO_RATE,
225 .rate_max = SYS_AUDIO_RATE,
226 .channels_min = 2,
227 .channels_max = 2,
228};
229
230static struct snd_soc_dai_link bells_dai_wm2200[] = {
231 {
232 .name = "CPU-DSP",
233 .stream_name = "CPU-DSP",
234 .cpu_dai_name = "samsung-i2s.0",
235 .codec_dai_name = "wm0010-sdi1",
236 .platform_name = "samsung-i2s.0",
237 .codec_name = "spi0.0",
238 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
239 | SND_SOC_DAIFMT_CBM_CFM,
240 },
241 {
242 .name = "DSP-CODEC",
243 .stream_name = "DSP-CODEC",
244 .cpu_dai_name = "wm0010-sdi2",
245 .codec_dai_name = "wm2200",
246 .codec_name = "wm2200.1-003a",
247 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
248 | SND_SOC_DAIFMT_CBM_CFM,
249 .params = &sub_params,
250 .ignore_suspend = 1,
251 },
252};
253
254static struct snd_soc_dai_link bells_dai_wm5102[] = {
255 {
256 .name = "CPU-DSP",
257 .stream_name = "CPU-DSP",
258 .cpu_dai_name = "samsung-i2s.0",
259 .codec_dai_name = "wm0010-sdi1",
260 .platform_name = "samsung-i2s.0",
261 .codec_name = "spi0.0",
262 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
263 | SND_SOC_DAIFMT_CBM_CFM,
264 },
265 {
266 .name = "DSP-CODEC",
267 .stream_name = "DSP-CODEC",
268 .cpu_dai_name = "wm0010-sdi2",
269 .codec_dai_name = "wm5102-aif1",
270 .codec_name = "wm5102-codec",
271 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
272 | SND_SOC_DAIFMT_CBM_CFM,
273 .params = &sub_params,
274 .ignore_suspend = 1,
275 },
276 {
277 .name = "Baseband",
278 .stream_name = "Baseband",
279 .cpu_dai_name = "wm5102-aif2",
280 .codec_dai_name = "wm1250-ev1",
281 .codec_name = "wm1250-ev1.1-0027",
282 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
283 | SND_SOC_DAIFMT_CBM_CFM,
284 .ignore_suspend = 1,
285 .params = &baseband_params,
286 },
287 {
288 .name = "Sub",
289 .stream_name = "Sub",
290 .cpu_dai_name = "wm5102-aif3",
291 .codec_dai_name = "wm9081-hifi",
292 .codec_name = "wm9081.1-006c",
293 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
294 | SND_SOC_DAIFMT_CBS_CFS,
295 .ignore_suspend = 1,
296 .params = &sub_params,
297 },
298};
299
300static struct snd_soc_dai_link bells_dai_wm5110[] = {
301 {
302 .name = "CPU-DSP",
303 .stream_name = "CPU-DSP",
304 .cpu_dai_name = "samsung-i2s.0",
305 .codec_dai_name = "wm0010-sdi1",
306 .platform_name = "samsung-i2s.0",
307 .codec_name = "spi0.0",
308 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
309 | SND_SOC_DAIFMT_CBM_CFM,
310 },
311 {
312 .name = "DSP-CODEC",
313 .stream_name = "DSP-CODEC",
314 .cpu_dai_name = "wm0010-sdi2",
315 .codec_dai_name = "wm5110-aif1",
316 .codec_name = "wm5110-codec",
317 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
318 | SND_SOC_DAIFMT_CBM_CFM,
319 .params = &sub_params,
320 .ignore_suspend = 1,
321 },
322 {
323 .name = "Baseband",
324 .stream_name = "Baseband",
325 .cpu_dai_name = "wm5110-aif2",
326 .codec_dai_name = "wm1250-ev1",
327 .codec_name = "wm1250-ev1.1-0027",
328 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
329 | SND_SOC_DAIFMT_CBM_CFM,
330 .ignore_suspend = 1,
331 .params = &baseband_params,
332 },
333 {
334 .name = "Sub",
335 .stream_name = "Sub",
336 .cpu_dai_name = "wm5110-aif3",
337 .codec_dai_name = "wm9081-hifi",
338 .codec_name = "wm9081.1-006c",
339 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
340 | SND_SOC_DAIFMT_CBS_CFS,
341 .ignore_suspend = 1,
342 .params = &sub_params,
343 },
344};
345
346static struct snd_soc_codec_conf bells_codec_conf[] = {
347 {
348 .dev_name = "wm9081.1-006c",
349 .name_prefix = "Sub",
350 },
351};
352
353static struct snd_soc_dapm_widget bells_widgets[] = {
354 SND_SOC_DAPM_MIC("DMIC", NULL),
355};
356
357static struct snd_soc_dapm_route bells_routes[] = {
358 { "Sub CLK_SYS", NULL, "OPCLK" },
359 { "CLKIN", NULL, "OPCLK" },
360
361 { "DMIC", NULL, "MICBIAS2" },
362 { "IN2L", NULL, "DMIC" },
363 { "IN2R", NULL, "DMIC" },
364};
365
366static struct snd_soc_card bells_cards[] = {
367 {
368 .name = "Bells WM2200",
369 .owner = THIS_MODULE,
370 .dai_link = bells_dai_wm2200,
371 .num_links = ARRAY_SIZE(bells_dai_wm2200),
372 .codec_conf = bells_codec_conf,
373 .num_configs = ARRAY_SIZE(bells_codec_conf),
374
375 .late_probe = bells_late_probe,
376
377 .dapm_widgets = bells_widgets,
378 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
379 .dapm_routes = bells_routes,
380 .num_dapm_routes = ARRAY_SIZE(bells_routes),
381
382 .set_bias_level = bells_set_bias_level,
383 .set_bias_level_post = bells_set_bias_level_post,
384
385 .drvdata = &wm2200_drvdata,
386 },
387 {
388 .name = "Bells WM5102",
389 .owner = THIS_MODULE,
390 .dai_link = bells_dai_wm5102,
391 .num_links = ARRAY_SIZE(bells_dai_wm5102),
392 .codec_conf = bells_codec_conf,
393 .num_configs = ARRAY_SIZE(bells_codec_conf),
394
395 .late_probe = bells_late_probe,
396
397 .dapm_widgets = bells_widgets,
398 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
399 .dapm_routes = bells_routes,
400 .num_dapm_routes = ARRAY_SIZE(bells_routes),
401
402 .set_bias_level = bells_set_bias_level,
403 .set_bias_level_post = bells_set_bias_level_post,
404
405 .drvdata = &wm5102_drvdata,
406 },
407 {
408 .name = "Bells WM5110",
409 .owner = THIS_MODULE,
410 .dai_link = bells_dai_wm5110,
411 .num_links = ARRAY_SIZE(bells_dai_wm5110),
412 .codec_conf = bells_codec_conf,
413 .num_configs = ARRAY_SIZE(bells_codec_conf),
414
415 .late_probe = bells_late_probe,
416
417 .dapm_widgets = bells_widgets,
418 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
419 .dapm_routes = bells_routes,
420 .num_dapm_routes = ARRAY_SIZE(bells_routes),
421
422 .set_bias_level = bells_set_bias_level,
423 .set_bias_level_post = bells_set_bias_level_post,
424
425 .drvdata = &wm5110_drvdata,
426 },
427};
428
429
430static int bells_probe(struct platform_device *pdev)
431{
432 int ret;
433
434 bells_cards[pdev->id].dev = &pdev->dev;
435
436 ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]);
437 if (ret)
438 dev_err(&pdev->dev,
439 "snd_soc_register_card(%s) failed: %d\n",
440 bells_cards[pdev->id].name, ret);
441
442 return ret;
443}
444
445static struct platform_driver bells_driver = {
446 .driver = {
447 .name = "bells",
448 .pm = &snd_soc_pm_ops,
449 },
450 .probe = bells_probe,
451};
452
453module_platform_driver(bells_driver);
454
455MODULE_DESCRIPTION("Bells audio support");
456MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
457MODULE_LICENSE("GPL");
458MODULE_ALIAS("platform:bells");
459
