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7#include <sound/soc.h>
8#include <sound/soc-dapm.h>
9#include <sound/jack.h>
10#include <linux/gpio.h>
11#include <linux/module.h>
12
13#include "../codecs/wm5102.h"
14#include "../codecs/wm9081.h"
15
16
17#define BCLK2_RATE (64 * 8000)
18
19
20
21
22
23#define MCLK_RATE 24576000
24
25#define SYS_AUDIO_RATE 44100
26#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512)
27
28#define DAI_AP_DSP 0
29#define DAI_DSP_CODEC 1
30#define DAI_CODEC_CP 2
31#define DAI_CODEC_SUB 3
32
33struct bells_drvdata {
34 int sysclk_rate;
35 int asyncclk_rate;
36};
37
38static struct bells_drvdata wm2200_drvdata = {
39 .sysclk_rate = 22579200,
40};
41
42static struct bells_drvdata wm5102_drvdata = {
43 .sysclk_rate = 45158400,
44 .asyncclk_rate = 49152000,
45};
46
47static struct bells_drvdata wm5110_drvdata = {
48 .sysclk_rate = 135475200,
49 .asyncclk_rate = 147456000,
50};
51
52static int bells_set_bias_level(struct snd_soc_card *card,
53 struct snd_soc_dapm_context *dapm,
54 enum snd_soc_bias_level level)
55{
56 struct snd_soc_pcm_runtime *rtd;
57 struct snd_soc_dai *codec_dai;
58 struct snd_soc_component *component;
59 struct bells_drvdata *bells = card->drvdata;
60 int ret;
61
62 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_DSP_CODEC].name);
63 codec_dai = rtd->codec_dai;
64 component = codec_dai->component;
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_component_set_pll(component, 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_component_set_pll(component, 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_pcm_runtime *rtd;
103 struct snd_soc_dai *codec_dai;
104 struct snd_soc_component *component;
105 struct bells_drvdata *bells = card->drvdata;
106 int ret;
107
108 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_DSP_CODEC].name);
109 codec_dai = rtd->codec_dai;
110 component = codec_dai->component;
111
112 if (dapm->dev != codec_dai->dev)
113 return 0;
114
115 switch (level) {
116 case SND_SOC_BIAS_STANDBY:
117 ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0);
118 if (ret < 0) {
119 pr_err("Failed to stop FLL: %d\n", ret);
120 return ret;
121 }
122
123 if (bells->asyncclk_rate) {
124 ret = snd_soc_component_set_pll(component, WM5102_FLL2,
125 0, 0, 0);
126 if (ret < 0) {
127 pr_err("Failed to stop FLL: %d\n", ret);
128 return ret;
129 }
130 }
131 break;
132
133 default:
134 break;
135 }
136
137 dapm->bias_level = level;
138
139 return 0;
140}
141
142static int bells_late_probe(struct snd_soc_card *card)
143{
144 struct bells_drvdata *bells = card->drvdata;
145 struct snd_soc_pcm_runtime *rtd;
146 struct snd_soc_component *wm0010;
147 struct snd_soc_component *component;
148 struct snd_soc_dai *aif1_dai;
149 struct snd_soc_dai *aif2_dai;
150 struct snd_soc_dai *aif3_dai;
151 struct snd_soc_dai *wm9081_dai;
152 int ret;
153
154 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_AP_DSP].name);
155 wm0010 = rtd->codec_dai->component;
156
157 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_DSP_CODEC].name);
158 component = rtd->codec_dai->component;
159 aif1_dai = rtd->codec_dai;
160
161 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK,
162 ARIZONA_CLK_SRC_FLL1,
163 bells->sysclk_rate,
164 SND_SOC_CLOCK_IN);
165 if (ret != 0) {
166 dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret);
167 return ret;
168 }
169
170 ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0);
171 if (ret != 0) {
172 dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret);
173 return ret;
174 }
175
176 ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
177 if (ret != 0)
178 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
179
180 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0,
181 SYS_MCLK_RATE, SND_SOC_CLOCK_OUT);
182 if (ret != 0)
183 dev_err(component->dev, "Failed to set OPCLK: %d\n", ret);
184
185 if (card->num_rtd == DAI_CODEC_CP)
186 return 0;
187
188 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK,
189 ARIZONA_CLK_SRC_FLL2,
190 bells->asyncclk_rate,
191 SND_SOC_CLOCK_IN);
192 if (ret != 0) {
193 dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret);
194 return ret;
195 }
196
197 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_CODEC_CP].name);
198 aif2_dai = rtd->cpu_dai;
199
200 ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
201 if (ret != 0) {
202 dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
203 return ret;
204 }
205
206 if (card->num_rtd == DAI_CODEC_SUB)
207 return 0;
208
209 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_CODEC_SUB].name);
210 aif3_dai = rtd->cpu_dai;
211 wm9081_dai = rtd->codec_dai;
212
213 ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
214 if (ret != 0) {
215 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
216 return ret;
217 }
218
219 ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK,
220 0, SYS_MCLK_RATE, 0);
221 if (ret != 0) {
222 dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
223 return ret;
224 }
225
226 return 0;
227}
228
229static const struct snd_soc_pcm_stream baseband_params = {
230 .formats = SNDRV_PCM_FMTBIT_S32_LE,
231 .rate_min = 8000,
232 .rate_max = 8000,
233 .channels_min = 2,
234 .channels_max = 2,
235};
236
237static const struct snd_soc_pcm_stream sub_params = {
238 .formats = SNDRV_PCM_FMTBIT_S32_LE,
239 .rate_min = SYS_AUDIO_RATE,
240 .rate_max = SYS_AUDIO_RATE,
241 .channels_min = 2,
242 .channels_max = 2,
243};
244
245static struct snd_soc_dai_link bells_dai_wm2200[] = {
246 {
247 .name = "CPU-DSP",
248 .stream_name = "CPU-DSP",
249 .cpu_dai_name = "samsung-i2s.0",
250 .codec_dai_name = "wm0010-sdi1",
251 .platform_name = "samsung-i2s.0",
252 .codec_name = "spi0.0",
253 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
254 | SND_SOC_DAIFMT_CBM_CFM,
255 },
256 {
257 .name = "DSP-CODEC",
258 .stream_name = "DSP-CODEC",
259 .cpu_dai_name = "wm0010-sdi2",
260 .codec_dai_name = "wm2200",
261 .codec_name = "wm2200.1-003a",
262 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
263 | SND_SOC_DAIFMT_CBM_CFM,
264 .params = &sub_params,
265 .ignore_suspend = 1,
266 },
267};
268
269static struct snd_soc_dai_link bells_dai_wm5102[] = {
270 {
271 .name = "CPU-DSP",
272 .stream_name = "CPU-DSP",
273 .cpu_dai_name = "samsung-i2s.0",
274 .codec_dai_name = "wm0010-sdi1",
275 .platform_name = "samsung-i2s.0",
276 .codec_name = "spi0.0",
277 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
278 | SND_SOC_DAIFMT_CBM_CFM,
279 },
280 {
281 .name = "DSP-CODEC",
282 .stream_name = "DSP-CODEC",
283 .cpu_dai_name = "wm0010-sdi2",
284 .codec_dai_name = "wm5102-aif1",
285 .codec_name = "wm5102-codec",
286 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
287 | SND_SOC_DAIFMT_CBM_CFM,
288 .params = &sub_params,
289 .ignore_suspend = 1,
290 },
291 {
292 .name = "Baseband",
293 .stream_name = "Baseband",
294 .cpu_dai_name = "wm5102-aif2",
295 .codec_dai_name = "wm1250-ev1",
296 .codec_name = "wm1250-ev1.1-0027",
297 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
298 | SND_SOC_DAIFMT_CBM_CFM,
299 .ignore_suspend = 1,
300 .params = &baseband_params,
301 },
302 {
303 .name = "Sub",
304 .stream_name = "Sub",
305 .cpu_dai_name = "wm5102-aif3",
306 .codec_dai_name = "wm9081-hifi",
307 .codec_name = "wm9081.1-006c",
308 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
309 | SND_SOC_DAIFMT_CBS_CFS,
310 .ignore_suspend = 1,
311 .params = &sub_params,
312 },
313};
314
315static struct snd_soc_dai_link bells_dai_wm5110[] = {
316 {
317 .name = "CPU-DSP",
318 .stream_name = "CPU-DSP",
319 .cpu_dai_name = "samsung-i2s.0",
320 .codec_dai_name = "wm0010-sdi1",
321 .platform_name = "samsung-i2s.0",
322 .codec_name = "spi0.0",
323 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
324 | SND_SOC_DAIFMT_CBM_CFM,
325 },
326 {
327 .name = "DSP-CODEC",
328 .stream_name = "DSP-CODEC",
329 .cpu_dai_name = "wm0010-sdi2",
330 .codec_dai_name = "wm5110-aif1",
331 .codec_name = "wm5110-codec",
332 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
333 | SND_SOC_DAIFMT_CBM_CFM,
334 .params = &sub_params,
335 .ignore_suspend = 1,
336 },
337 {
338 .name = "Baseband",
339 .stream_name = "Baseband",
340 .cpu_dai_name = "wm5110-aif2",
341 .codec_dai_name = "wm1250-ev1",
342 .codec_name = "wm1250-ev1.1-0027",
343 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
344 | SND_SOC_DAIFMT_CBM_CFM,
345 .ignore_suspend = 1,
346 .params = &baseband_params,
347 },
348 {
349 .name = "Sub",
350 .stream_name = "Sub",
351 .cpu_dai_name = "wm5110-aif3",
352 .codec_dai_name = "wm9081-hifi",
353 .codec_name = "wm9081.1-006c",
354 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
355 | SND_SOC_DAIFMT_CBS_CFS,
356 .ignore_suspend = 1,
357 .params = &sub_params,
358 },
359};
360
361static struct snd_soc_codec_conf bells_codec_conf[] = {
362 {
363 .dev_name = "wm9081.1-006c",
364 .name_prefix = "Sub",
365 },
366};
367
368static struct snd_soc_dapm_widget bells_widgets[] = {
369 SND_SOC_DAPM_MIC("DMIC", NULL),
370};
371
372static struct snd_soc_dapm_route bells_routes[] = {
373 { "Sub CLK_SYS", NULL, "OPCLK" },
374 { "CLKIN", NULL, "OPCLK" },
375
376 { "DMIC", NULL, "MICBIAS2" },
377 { "IN2L", NULL, "DMIC" },
378 { "IN2R", NULL, "DMIC" },
379};
380
381static struct snd_soc_card bells_cards[] = {
382 {
383 .name = "Bells WM2200",
384 .owner = THIS_MODULE,
385 .dai_link = bells_dai_wm2200,
386 .num_links = ARRAY_SIZE(bells_dai_wm2200),
387 .codec_conf = bells_codec_conf,
388 .num_configs = ARRAY_SIZE(bells_codec_conf),
389
390 .late_probe = bells_late_probe,
391
392 .dapm_widgets = bells_widgets,
393 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
394 .dapm_routes = bells_routes,
395 .num_dapm_routes = ARRAY_SIZE(bells_routes),
396
397 .set_bias_level = bells_set_bias_level,
398 .set_bias_level_post = bells_set_bias_level_post,
399
400 .drvdata = &wm2200_drvdata,
401 },
402 {
403 .name = "Bells WM5102",
404 .owner = THIS_MODULE,
405 .dai_link = bells_dai_wm5102,
406 .num_links = ARRAY_SIZE(bells_dai_wm5102),
407 .codec_conf = bells_codec_conf,
408 .num_configs = ARRAY_SIZE(bells_codec_conf),
409
410 .late_probe = bells_late_probe,
411
412 .dapm_widgets = bells_widgets,
413 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
414 .dapm_routes = bells_routes,
415 .num_dapm_routes = ARRAY_SIZE(bells_routes),
416
417 .set_bias_level = bells_set_bias_level,
418 .set_bias_level_post = bells_set_bias_level_post,
419
420 .drvdata = &wm5102_drvdata,
421 },
422 {
423 .name = "Bells WM5110",
424 .owner = THIS_MODULE,
425 .dai_link = bells_dai_wm5110,
426 .num_links = ARRAY_SIZE(bells_dai_wm5110),
427 .codec_conf = bells_codec_conf,
428 .num_configs = ARRAY_SIZE(bells_codec_conf),
429
430 .late_probe = bells_late_probe,
431
432 .dapm_widgets = bells_widgets,
433 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
434 .dapm_routes = bells_routes,
435 .num_dapm_routes = ARRAY_SIZE(bells_routes),
436
437 .set_bias_level = bells_set_bias_level,
438 .set_bias_level_post = bells_set_bias_level_post,
439
440 .drvdata = &wm5110_drvdata,
441 },
442};
443
444static int bells_probe(struct platform_device *pdev)
445{
446 int ret;
447
448 bells_cards[pdev->id].dev = &pdev->dev;
449
450 ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]);
451 if (ret)
452 dev_err(&pdev->dev,
453 "snd_soc_register_card(%s) failed: %d\n",
454 bells_cards[pdev->id].name, ret);
455
456 return ret;
457}
458
459static struct platform_driver bells_driver = {
460 .driver = {
461 .name = "bells",
462 .pm = &snd_soc_pm_ops,
463 },
464 .probe = bells_probe,
465};
466
467module_platform_driver(bells_driver);
468
469MODULE_DESCRIPTION("Bells audio support");
470MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
471MODULE_LICENSE("GPL");
472MODULE_ALIAS("platform:bells");
473
