blob: c7e1c28528a4a6861593539a30afa1e41de30dd6 [file] [log] [blame]
Mark Brown9b8dc662011-04-12 17:24:39 -07001/*
2 * Speyside audio support
3 *
4 * Copyright 2011 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>
Mark Brown68688e72011-04-12 00:00:36 -070014#include <sound/jack.h>
15#include <linux/gpio.h>
Paul Gortmakerda155d52011-07-15 12:38:28 -040016#include <linux/module.h>
Mark Brown9b8dc662011-04-12 17:24:39 -070017
Mark Browna9ba6152011-06-24 12:10:44 +010018#include "../codecs/wm8996.h"
Mark Brownea3e98e2011-04-11 23:42:25 -070019#include "../codecs/wm9081.h"
Mark Brown9b8dc662011-04-12 17:24:39 -070020
Mark Browna9ba6152011-06-24 12:10:44 +010021#define WM8996_HPSEL_GPIO 214
Mark Brown36281372011-12-11 11:31:22 +080022#define MCLK_AUDIO_RATE (512 * 48000)
Mark Brown68688e72011-04-12 00:00:36 -070023
Mark Brownea0a5912011-04-11 23:32:03 -070024static int speyside_set_bias_level(struct snd_soc_card *card,
Mark Brownd4c60052011-06-06 19:13:23 +010025 struct snd_soc_dapm_context *dapm,
Mark Brownea0a5912011-04-11 23:32:03 -070026 enum snd_soc_bias_level level)
27{
Mark Brownf9372c92012-08-23 17:05:48 +010028 struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai;
Mark Brownea0a5912011-04-11 23:32:03 -070029 int ret;
30
Mark Brownd4c60052011-06-06 19:13:23 +010031 if (dapm->dev != codec_dai->dev)
32 return 0;
33
Mark Brownea0a5912011-04-11 23:32:03 -070034 switch (level) {
35 case SND_SOC_BIAS_STANDBY:
Mark Browna9ba6152011-06-24 12:10:44 +010036 ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2,
Mark Brownea0a5912011-04-11 23:32:03 -070037 32768, SND_SOC_CLOCK_IN);
38 if (ret < 0)
39 return ret;
40
Mark Browna9ba6152011-06-24 12:10:44 +010041 ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2,
Mark Brownea0a5912011-04-11 23:32:03 -070042 0, 0, 0);
43 if (ret < 0) {
44 pr_err("Failed to stop FLL\n");
45 return ret;
46 }
Mark Brown85e9e762011-06-06 19:12:44 +010047 break;
Mark Brownea0a5912011-04-11 23:32:03 -070048
49 default:
50 break;
51 }
52
53 return 0;
54}
55
Mark Brown85e9e762011-06-06 19:12:44 +010056static 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{
Mark Brownf9372c92012-08-23 17:05:48 +010060 struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai;
Mark Brown85e9e762011-06-06 19:12:44 +010061 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,
Mark Browna9ba6152011-06-24 12:10:44 +010070 WM8996_FLL_MCLK2,
Mark Brown36281372011-12-11 11:31:22 +080071 32768, MCLK_AUDIO_RATE);
Mark Brown85e9e762011-06-06 19:12:44 +010072 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,
Mark Browna9ba6152011-06-24 12:10:44 +010078 WM8996_SYSCLK_FLL,
Mark Brown36281372011-12-11 11:31:22 +080079 MCLK_AUDIO_RATE,
Mark Brown85e9e762011-06-06 19:12:44 +010080 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
Mark Brown68688e72011-04-12 00:00:36 -070095static struct snd_soc_jack speyside_headset;
96
97/* Headset jack detection DAPM pins */
98static struct snd_soc_jack_pin speyside_headset_pins[] = {
99 {
100 .pin = "Headset Mic",
101 .mask = SND_JACK_MICROPHONE,
102 },
Mark Brown68688e72011-04-12 00:00:36 -0700103};
104
105/* Default the headphone selection to active high */
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;
Mark Browna9ba6152011-06-24 12:10:44 +0100123 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
Mark Brown68688e72011-04-12 00:00:36 -0700124
125 /* Re-run DAPM to make sure we're using the correct mic bias */
126 snd_soc_dapm_sync(&codec->dapm);
127}
128
Mark Brownf9372c92012-08-23 17:05:48 +0100129static 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
Mark Browna9ba6152011-06-24 12:10:44 +0100141static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd)
Mark Brownea0a5912011-04-11 23:32:03 -0700142{
143 struct snd_soc_dai *dai = rtd->codec_dai;
Mark Brown68688e72011-04-12 00:00:36 -0700144 struct snd_soc_codec *codec = rtd->codec;
145 int ret;
Mark Brownea0a5912011-04-11 23:32:03 -0700146
Mark Browna9ba6152011-06-24 12:10:44 +0100147 ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0);
Mark Brown68688e72011-04-12 00:00:36 -0700148 if (ret < 0)
149 return ret;
150
Mark Browna9ba6152011-06-24 12:10:44 +0100151 ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL");
Mark Brown68688e72011-04-12 00:00:36 -0700152 if (ret != 0)
153 pr_err("Failed to request HP_SEL GPIO: %d\n", ret);
Mark Browna9ba6152011-06-24 12:10:44 +0100154 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
Mark Brown68688e72011-04-12 00:00:36 -0700155
156 ret = snd_soc_jack_new(codec, "Headset",
Mark Brown45cf3672011-09-04 07:54:55 -0700157 SND_JACK_LINEOUT | SND_JACK_HEADSET |
158 SND_JACK_BTN_0,
Mark Brown68688e72011-04-12 00:00:36 -0700159 &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
Mark Browna9ba6152011-06-24 12:10:44 +0100169 wm8996_detect(codec, &speyside_headset, speyside_set_polarity);
Mark Brown68688e72011-04-12 00:00:36 -0700170
171 return 0;
Mark Brownea0a5912011-04-11 23:32:03 -0700172}
173
Mark Brownb7a5d142011-04-12 17:37:52 -0700174static 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");
Mark Brown5b895ee2011-11-27 15:54:49 +0000180 snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker");
Mark Brownb7a5d142011-04-12 17:37:52 -0700181 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
Mark Brownf9372c92012-08-23 17:05:48 +0100187static 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
Mark Brown9b8dc662011-04-12 17:24:39 -0700195static struct snd_soc_dai_link speyside_dai[] = {
196 {
Mark Brownf9372c92012-08-23 17:05:48 +0100197 .name = "CPU-DSP",
198 .stream_name = "CPU-DSP",
Mark Brown9b8dc662011-04-12 17:24:39 -0700199 .cpu_dai_name = "samsung-i2s.0",
Mark Brownf9372c92012-08-23 17:05:48 +0100200 .codec_dai_name = "wm0010-sdi1",
Mark Brown9b8dc662011-04-12 17:24:39 -0700201 .platform_name = "samsung-audio",
Mark Brownf9372c92012-08-23 17:05:48 +0100202 .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",
Mark Browna9ba6152011-06-24 12:10:44 +0100212 .codec_name = "wm8996.1-001a",
213 .init = speyside_wm8996_init,
Mark Brown26e67812011-09-27 16:48:49 +0100214 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
215 | SND_SOC_DAIFMT_CBM_CFM,
Mark Brownf9372c92012-08-23 17:05:48 +0100216 .params = &dsp_codec_params,
217 .ignore_suspend = 1,
Mark Brown9b8dc662011-04-12 17:24:39 -0700218 },
Mark Brown556e4fb2011-04-12 14:15:10 -0700219 {
220 .name = "Baseband",
221 .stream_name = "Baseband",
Mark Browna9ba6152011-06-24 12:10:44 +0100222 .cpu_dai_name = "wm8996-aif2",
Mark Brown556e4fb2011-04-12 14:15:10 -0700223 .codec_dai_name = "wm1250-ev1",
224 .codec_name = "wm1250-ev1.1-0027",
Mark Brown26e67812011-09-27 16:48:49 +0100225 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
226 | SND_SOC_DAIFMT_CBM_CFM,
Mark Brownb7a5d142011-04-12 17:37:52 -0700227 .ignore_suspend = 1,
Mark Brown556e4fb2011-04-12 14:15:10 -0700228 },
Mark Brown9b8dc662011-04-12 17:24:39 -0700229};
230
Mark Brownea3e98e2011-04-11 23:42:25 -0700231static int speyside_wm9081_init(struct snd_soc_dapm_context *dapm)
232{
Mark Brownea3e98e2011-04-11 23:42:25 -0700233 /* At any time the WM9081 is active it will have this clock */
Mark Brownda1c6ea2011-08-24 20:09:01 +0100234 return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, 0,
Mark Brown36281372011-12-11 11:31:22 +0800235 MCLK_AUDIO_RATE, 0);
Mark Brownea3e98e2011-04-11 23:42:25 -0700236}
237
238static struct snd_soc_aux_dev speyside_aux_dev[] = {
239 {
240 .name = "wm9081",
241 .codec_name = "wm9081.1-006c",
242 .init = speyside_wm9081_init,
243 },
244};
245
246static struct snd_soc_codec_conf speyside_codec_conf[] = {
247 {
248 .dev_name = "wm9081.1-006c",
249 .name_prefix = "Sub",
250 },
251};
252
Mark Brownea0e60d2011-04-12 00:09:53 -0700253static const struct snd_kcontrol_new controls[] = {
254 SOC_DAPM_PIN_SWITCH("Main Speaker"),
255 SOC_DAPM_PIN_SWITCH("Main DMIC"),
256 SOC_DAPM_PIN_SWITCH("Main AMIC"),
Mark Brown556e4fb2011-04-12 14:15:10 -0700257 SOC_DAPM_PIN_SWITCH("WM1250 Input"),
258 SOC_DAPM_PIN_SWITCH("WM1250 Output"),
Mark Brown68d5a592011-08-04 18:13:45 +0900259 SOC_DAPM_PIN_SWITCH("Headphone"),
Mark Brownea0e60d2011-04-12 00:09:53 -0700260};
261
Mark Brownecfb1ad2011-04-11 23:09:15 -0700262static struct snd_soc_dapm_widget widgets[] = {
263 SND_SOC_DAPM_HP("Headphone", NULL),
Mark Brown68688e72011-04-12 00:00:36 -0700264 SND_SOC_DAPM_MIC("Headset Mic", NULL),
Mark Brownecfb1ad2011-04-11 23:09:15 -0700265
266 SND_SOC_DAPM_SPK("Main Speaker", NULL),
267
268 SND_SOC_DAPM_MIC("Main AMIC", NULL),
269 SND_SOC_DAPM_MIC("Main DMIC", NULL),
270};
271
272static struct snd_soc_dapm_route audio_paths[] = {
Mark Brown68688e72011-04-12 00:00:36 -0700273 { "IN1RN", NULL, "MICB1" },
274 { "IN1RP", NULL, "MICB1" },
275 { "IN1RN", NULL, "MICB2" },
276 { "IN1RP", NULL, "MICB2" },
277 { "MICB1", NULL, "Headset Mic", speyside_get_micbias },
278 { "MICB2", NULL, "Headset Mic", speyside_get_micbias },
279
Mark Brownecfb1ad2011-04-11 23:09:15 -0700280 { "IN1LP", NULL, "MICB2" },
Mark Brown68688e72011-04-12 00:00:36 -0700281 { "IN1RN", NULL, "MICB1" },
Mark Brownecfb1ad2011-04-11 23:09:15 -0700282 { "MICB2", NULL, "Main AMIC" },
283
284 { "DMIC1DAT", NULL, "MICB1" },
285 { "DMIC2DAT", NULL, "MICB1" },
286 { "MICB1", NULL, "Main DMIC" },
287
288 { "Headphone", NULL, "HPOUT1L" },
289 { "Headphone", NULL, "HPOUT1R" },
290
Mark Brownea3e98e2011-04-11 23:42:25 -0700291 { "Sub IN1", NULL, "HPOUT2L" },
292 { "Sub IN2", NULL, "HPOUT2R" },
293
294 { "Main Speaker", NULL, "Sub SPKN" },
295 { "Main Speaker", NULL, "Sub SPKP" },
Mark Brownecfb1ad2011-04-11 23:09:15 -0700296 { "Main Speaker", NULL, "SPKDAT" },
297};
298
Mark Brown9b8dc662011-04-12 17:24:39 -0700299static struct snd_soc_card speyside = {
300 .name = "Speyside",
Axel Lin095d79d2011-12-22 10:53:15 +0800301 .owner = THIS_MODULE,
Mark Brown9b8dc662011-04-12 17:24:39 -0700302 .dai_link = speyside_dai,
303 .num_links = ARRAY_SIZE(speyside_dai),
Mark Brownea3e98e2011-04-11 23:42:25 -0700304 .aux_dev = speyside_aux_dev,
305 .num_aux_devs = ARRAY_SIZE(speyside_aux_dev),
306 .codec_conf = speyside_codec_conf,
307 .num_configs = ARRAY_SIZE(speyside_codec_conf),
Mark Brownecfb1ad2011-04-11 23:09:15 -0700308
Mark Brownea0a5912011-04-11 23:32:03 -0700309 .set_bias_level = speyside_set_bias_level,
Mark Brown995e54f2011-06-08 16:11:18 +0100310 .set_bias_level_post = speyside_set_bias_level_post,
Mark Brownea0a5912011-04-11 23:32:03 -0700311
Mark Brownea0e60d2011-04-12 00:09:53 -0700312 .controls = controls,
313 .num_controls = ARRAY_SIZE(controls),
Mark Brownecfb1ad2011-04-11 23:09:15 -0700314 .dapm_widgets = widgets,
315 .num_dapm_widgets = ARRAY_SIZE(widgets),
316 .dapm_routes = audio_paths,
317 .num_dapm_routes = ARRAY_SIZE(audio_paths),
Mark Brown39afd662011-11-23 21:33:07 +0000318 .fully_routed = true,
Mark Brownb7a5d142011-04-12 17:37:52 -0700319
320 .late_probe = speyside_late_probe,
Mark Brown9b8dc662011-04-12 17:24:39 -0700321};
322
323static __devinit int speyside_probe(struct platform_device *pdev)
324{
325 struct snd_soc_card *card = &speyside;
326 int ret;
327
328 card->dev = &pdev->dev;
329
330 ret = snd_soc_register_card(card);
331 if (ret) {
332 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
333 ret);
334 return ret;
335 }
336
337 return 0;
338}
339
340static int __devexit speyside_remove(struct platform_device *pdev)
341{
342 struct snd_soc_card *card = platform_get_drvdata(pdev);
343
344 snd_soc_unregister_card(card);
345
346 return 0;
347}
348
349static struct platform_driver speyside_driver = {
350 .driver = {
351 .name = "speyside",
352 .owner = THIS_MODULE,
353 .pm = &snd_soc_pm_ops,
354 },
355 .probe = speyside_probe,
356 .remove = __devexit_p(speyside_remove),
357};
358
Mark Browne00c3f52011-11-23 15:20:13 +0000359module_platform_driver(speyside_driver);
Mark Brown9b8dc662011-04-12 17:24:39 -0700360
361MODULE_DESCRIPTION("Speyside audio support");
362MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
363MODULE_LICENSE("GPL");
364MODULE_ALIAS("platform:speyside");