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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/wm8996.h"
19#include "../codecs/wm9081.h"
20
21#define WM8996_HPSEL_GPIO 214
22#define MCLK_AUDIO_RATE (512 * 48000)
23
24static int speyside_set_bias_level(struct snd_soc_card *card,
25 struct snd_soc_dapm_context *dapm,
26 enum snd_soc_bias_level level)
27{
28 struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai;
29 int ret;
30
31 if (dapm->dev != codec_dai->dev)
32 return 0;
33
34 switch (level) {
35 case SND_SOC_BIAS_STANDBY:
36 ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2,
37 32768, SND_SOC_CLOCK_IN);
38 if (ret < 0)
39 return ret;
40
41 ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2,
42 0, 0, 0);
43 if (ret < 0) {
44 pr_err("Failed to stop FLL\n");
45 return ret;
46 }
47 break;
48
49 default:
50 break;
51 }
52
53 return 0;
54}
55
56static int speyside_set_bias_level_post(struct snd_soc_card *card,
57 struct snd_soc_dapm_context *dapm,
58 enum snd_soc_bias_level level)
59{
60 struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai;
61 int ret;
62
63 if (dapm->dev != codec_dai->dev)
64 return 0;
65
66 switch (level) {
67 case SND_SOC_BIAS_PREPARE:
68 if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) {
69 ret = snd_soc_dai_set_pll(codec_dai, 0,
70 WM8996_FLL_MCLK2,
71 32768, MCLK_AUDIO_RATE);
72 if (ret < 0) {
73 pr_err("Failed to start FLL\n");
74 return ret;
75 }
76
77 ret = snd_soc_dai_set_sysclk(codec_dai,
78 WM8996_SYSCLK_FLL,
79 MCLK_AUDIO_RATE,
80 SND_SOC_CLOCK_IN);
81 if (ret < 0)
82 return ret;
83 }
84 break;
85
86 default:
87 break;
88 }
89
90 card->dapm.bias_level = level;
91
92 return 0;
93}
94
95static struct snd_soc_jack speyside_headset;
96
97
98static struct snd_soc_jack_pin speyside_headset_pins[] = {
99 {
100 .pin = "Headset Mic",
101 .mask = SND_JACK_MICROPHONE,
102 },
103};
104
105
106static int speyside_jack_polarity;
107
108static int speyside_get_micbias(struct snd_soc_dapm_widget *source,
109 struct snd_soc_dapm_widget *sink)
110{
111 if (speyside_jack_polarity && (strcmp(source->name, "MICB1") == 0))
112 return 1;
113 if (!speyside_jack_polarity && (strcmp(source->name, "MICB2") == 0))
114 return 1;
115
116 return 0;
117}
118
119static void speyside_set_polarity(struct snd_soc_codec *codec,
120 int polarity)
121{
122 speyside_jack_polarity = !polarity;
123 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
124
125
126 snd_soc_dapm_sync(&codec->dapm);
127}
128
129static int speyside_wm0010_init(struct snd_soc_pcm_runtime *rtd)
130{
131 struct snd_soc_dai *dai = rtd->codec_dai;
132 int ret;
133
134 ret = snd_soc_dai_set_sysclk(dai, 0, MCLK_AUDIO_RATE, 0);
135 if (ret < 0)
136 return ret;
137
138 return 0;
139}
140
141static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd)
142{
143 struct snd_soc_dai *dai = rtd->codec_dai;
144 struct snd_soc_codec *codec = rtd->codec;
145 int ret;
146
147 ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0);
148 if (ret < 0)
149 return ret;
150
151 ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL");
152 if (ret != 0)
153 pr_err("Failed to request HP_SEL GPIO: %d\n", ret);
154 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
155
156 ret = snd_soc_jack_new(codec, "Headset",
157 SND_JACK_LINEOUT | SND_JACK_HEADSET |
158 SND_JACK_BTN_0,
159 &speyside_headset);
160 if (ret)
161 return ret;
162
163 ret = snd_soc_jack_add_pins(&speyside_headset,
164 ARRAY_SIZE(speyside_headset_pins),
165 speyside_headset_pins);
166 if (ret)
167 return ret;
168
169 wm8996_detect(codec, &speyside_headset, speyside_set_polarity);
170
171 return 0;
172}
173
174static int speyside_late_probe(struct snd_soc_card *card)
175{
176 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
177 snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");
178 snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC");
179 snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC");
180 snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker");
181 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output");
182 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input");
183
184 return 0;
185}
186
187static const struct snd_soc_pcm_stream dsp_codec_params = {
188 .formats = SNDRV_PCM_FMTBIT_S32_LE,
189 .rate_min = 48000,
190 .rate_max = 48000,
191 .channels_min = 2,
192 .channels_max = 2,
193};
194
195static struct snd_soc_dai_link speyside_dai[] = {
196 {
197 .name = "CPU-DSP",
198 .stream_name = "CPU-DSP",
199 .cpu_dai_name = "samsung-i2s.0",
200 .codec_dai_name = "wm0010-sdi1",
201 .platform_name = "samsung-i2s.0",
202 .codec_name = "spi0.0",
203 .init = speyside_wm0010_init,
204 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
205 | SND_SOC_DAIFMT_CBM_CFM,
206 },
207 {
208 .name = "DSP-CODEC",
209 .stream_name = "DSP-CODEC",
210 .cpu_dai_name = "wm0010-sdi2",
211 .codec_dai_name = "wm8996-aif1",
212 .codec_name = "wm8996.1-001a",
213 .init = speyside_wm8996_init,
214 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
215 | SND_SOC_DAIFMT_CBM_CFM,
216 .params = &dsp_codec_params,
217 .ignore_suspend = 1,
218 },
219 {
220 .name = "Baseband",
221 .stream_name = "Baseband",
222 .cpu_dai_name = "wm8996-aif2",
223 .codec_dai_name = "wm1250-ev1",
224 .codec_name = "wm1250-ev1.1-0027",
225 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
226 | SND_SOC_DAIFMT_CBM_CFM,
227 .ignore_suspend = 1,
228 },
229};
230
231static int speyside_wm9081_init(struct snd_soc_component *component)
232{
233 struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
234
235
236 return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0,
237 MCLK_AUDIO_RATE, 0);
238}
239
240static struct snd_soc_aux_dev speyside_aux_dev[] = {
241 {
242 .name = "wm9081",
243 .codec_name = "wm9081.1-006c",
244 .init = speyside_wm9081_init,
245 },
246};
247
248static struct snd_soc_codec_conf speyside_codec_conf[] = {
249 {
250 .dev_name = "wm9081.1-006c",
251 .name_prefix = "Sub",
252 },
253};
254
255static const struct snd_kcontrol_new controls[] = {
256 SOC_DAPM_PIN_SWITCH("Main Speaker"),
257 SOC_DAPM_PIN_SWITCH("Main DMIC"),
258 SOC_DAPM_PIN_SWITCH("Main AMIC"),
259 SOC_DAPM_PIN_SWITCH("WM1250 Input"),
260 SOC_DAPM_PIN_SWITCH("WM1250 Output"),
261 SOC_DAPM_PIN_SWITCH("Headphone"),
262};
263
264static struct snd_soc_dapm_widget widgets[] = {
265 SND_SOC_DAPM_HP("Headphone", NULL),
266 SND_SOC_DAPM_MIC("Headset Mic", NULL),
267
268 SND_SOC_DAPM_SPK("Main Speaker", NULL),
269
270 SND_SOC_DAPM_MIC("Main AMIC", NULL),
271 SND_SOC_DAPM_MIC("Main DMIC", NULL),
272};
273
274static struct snd_soc_dapm_route audio_paths[] = {
275 { "IN1RN", NULL, "MICB1" },
276 { "IN1RP", NULL, "MICB1" },
277 { "IN1RN", NULL, "MICB2" },
278 { "IN1RP", NULL, "MICB2" },
279 { "MICB1", NULL, "Headset Mic", speyside_get_micbias },
280 { "MICB2", NULL, "Headset Mic", speyside_get_micbias },
281
282 { "IN1LP", NULL, "MICB2" },
283 { "IN1RN", NULL, "MICB1" },
284 { "MICB2", NULL, "Main AMIC" },
285
286 { "DMIC1DAT", NULL, "MICB1" },
287 { "DMIC2DAT", NULL, "MICB1" },
288 { "MICB1", NULL, "Main DMIC" },
289
290 { "Headphone", NULL, "HPOUT1L" },
291 { "Headphone", NULL, "HPOUT1R" },
292
293 { "Sub IN1", NULL, "HPOUT2L" },
294 { "Sub IN2", NULL, "HPOUT2R" },
295
296 { "Main Speaker", NULL, "Sub SPKN" },
297 { "Main Speaker", NULL, "Sub SPKP" },
298 { "Main Speaker", NULL, "SPKDAT" },
299};
300
301static struct snd_soc_card speyside = {
302 .name = "Speyside",
303 .owner = THIS_MODULE,
304 .dai_link = speyside_dai,
305 .num_links = ARRAY_SIZE(speyside_dai),
306 .aux_dev = speyside_aux_dev,
307 .num_aux_devs = ARRAY_SIZE(speyside_aux_dev),
308 .codec_conf = speyside_codec_conf,
309 .num_configs = ARRAY_SIZE(speyside_codec_conf),
310
311 .set_bias_level = speyside_set_bias_level,
312 .set_bias_level_post = speyside_set_bias_level_post,
313
314 .controls = controls,
315 .num_controls = ARRAY_SIZE(controls),
316 .dapm_widgets = widgets,
317 .num_dapm_widgets = ARRAY_SIZE(widgets),
318 .dapm_routes = audio_paths,
319 .num_dapm_routes = ARRAY_SIZE(audio_paths),
320 .fully_routed = true,
321
322 .late_probe = speyside_late_probe,
323};
324
325static int speyside_probe(struct platform_device *pdev)
326{
327 struct snd_soc_card *card = &speyside;
328 int ret;
329
330 card->dev = &pdev->dev;
331
332 ret = devm_snd_soc_register_card(&pdev->dev, card);
333 if (ret)
334 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
335 ret);
336
337 return ret;
338}
339
340static struct platform_driver speyside_driver = {
341 .driver = {
342 .name = "speyside",
343 .owner = THIS_MODULE,
344 .pm = &snd_soc_pm_ops,
345 },
346 .probe = speyside_probe,
347};
348
349module_platform_driver(speyside_driver);
350
351MODULE_DESCRIPTION("Speyside audio support");
352MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
353MODULE_LICENSE("GPL");
354MODULE_ALIAS("platform:speyside");
355
