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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 */
Lars-Peter Clausen1a3e2f12015-05-03 19:27:10 +0200126 snd_soc_dapm_sync(snd_soc_codec_get_dapm(codec));
Mark Brown68688e72011-04-12 00:00:36 -0700127}
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
Lars-Peter Clausen663976a2015-03-04 10:33:38 +0100156 ret = snd_soc_card_jack_new(rtd->card, "Headset", SND_JACK_LINEOUT |
157 SND_JACK_HEADSET | SND_JACK_BTN_0,
158 &speyside_headset, speyside_headset_pins,
159 ARRAY_SIZE(speyside_headset_pins));
Mark Brown68688e72011-04-12 00:00:36 -0700160 if (ret)
161 return ret;
162
Mark Browna9ba6152011-06-24 12:10:44 +0100163 wm8996_detect(codec, &speyside_headset, speyside_set_polarity);
Mark Brown68688e72011-04-12 00:00:36 -0700164
165 return 0;
Mark Brownea0a5912011-04-11 23:32:03 -0700166}
167
Mark Brownb7a5d142011-04-12 17:37:52 -0700168static int speyside_late_probe(struct snd_soc_card *card)
169{
170 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
171 snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");
172 snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC");
173 snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC");
Mark Brown5b895ee2011-11-27 15:54:49 +0000174 snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker");
Mark Brownb7a5d142011-04-12 17:37:52 -0700175 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output");
176 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input");
177
178 return 0;
179}
180
Mark Brownf9372c92012-08-23 17:05:48 +0100181static const struct snd_soc_pcm_stream dsp_codec_params = {
182 .formats = SNDRV_PCM_FMTBIT_S32_LE,
183 .rate_min = 48000,
184 .rate_max = 48000,
185 .channels_min = 2,
186 .channels_max = 2,
187};
188
Mark Brown9b8dc662011-04-12 17:24:39 -0700189static struct snd_soc_dai_link speyside_dai[] = {
190 {
Mark Brownf9372c92012-08-23 17:05:48 +0100191 .name = "CPU-DSP",
192 .stream_name = "CPU-DSP",
Mark Brown9b8dc662011-04-12 17:24:39 -0700193 .cpu_dai_name = "samsung-i2s.0",
Mark Brownf9372c92012-08-23 17:05:48 +0100194 .codec_dai_name = "wm0010-sdi1",
Padmavathi Vennaa08485d2012-12-07 13:59:21 +0530195 .platform_name = "samsung-i2s.0",
Mark Brownf9372c92012-08-23 17:05:48 +0100196 .codec_name = "spi0.0",
197 .init = speyside_wm0010_init,
198 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
199 | SND_SOC_DAIFMT_CBM_CFM,
200 },
201 {
202 .name = "DSP-CODEC",
203 .stream_name = "DSP-CODEC",
204 .cpu_dai_name = "wm0010-sdi2",
205 .codec_dai_name = "wm8996-aif1",
Mark Browna9ba6152011-06-24 12:10:44 +0100206 .codec_name = "wm8996.1-001a",
207 .init = speyside_wm8996_init,
Mark Brown26e67812011-09-27 16:48:49 +0100208 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
209 | SND_SOC_DAIFMT_CBM_CFM,
Mark Brownf9372c92012-08-23 17:05:48 +0100210 .params = &dsp_codec_params,
211 .ignore_suspend = 1,
Mark Brown9b8dc662011-04-12 17:24:39 -0700212 },
Mark Brown556e4fb2011-04-12 14:15:10 -0700213 {
214 .name = "Baseband",
215 .stream_name = "Baseband",
Mark Browna9ba6152011-06-24 12:10:44 +0100216 .cpu_dai_name = "wm8996-aif2",
Mark Brown556e4fb2011-04-12 14:15:10 -0700217 .codec_dai_name = "wm1250-ev1",
218 .codec_name = "wm1250-ev1.1-0027",
Mark Brown26e67812011-09-27 16:48:49 +0100219 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
220 | SND_SOC_DAIFMT_CBM_CFM,
Mark Brownb7a5d142011-04-12 17:37:52 -0700221 .ignore_suspend = 1,
Mark Brown556e4fb2011-04-12 14:15:10 -0700222 },
Mark Brown9b8dc662011-04-12 17:24:39 -0700223};
224
Lars-Peter Clausen57bf7722014-08-19 15:51:23 +0200225static int speyside_wm9081_init(struct snd_soc_component *component)
Mark Brownea3e98e2011-04-11 23:42:25 -0700226{
Lars-Peter Clausen57bf7722014-08-19 15:51:23 +0200227 struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
228
Mark Brownea3e98e2011-04-11 23:42:25 -0700229 /* At any time the WM9081 is active it will have this clock */
Lars-Peter Clausen57bf7722014-08-19 15:51:23 +0200230 return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0,
Mark Brown36281372011-12-11 11:31:22 +0800231 MCLK_AUDIO_RATE, 0);
Mark Brownea3e98e2011-04-11 23:42:25 -0700232}
233
234static struct snd_soc_aux_dev speyside_aux_dev[] = {
235 {
236 .name = "wm9081",
237 .codec_name = "wm9081.1-006c",
238 .init = speyside_wm9081_init,
239 },
240};
241
242static struct snd_soc_codec_conf speyside_codec_conf[] = {
243 {
244 .dev_name = "wm9081.1-006c",
245 .name_prefix = "Sub",
246 },
247};
248
Mark Brownea0e60d2011-04-12 00:09:53 -0700249static const struct snd_kcontrol_new controls[] = {
250 SOC_DAPM_PIN_SWITCH("Main Speaker"),
251 SOC_DAPM_PIN_SWITCH("Main DMIC"),
252 SOC_DAPM_PIN_SWITCH("Main AMIC"),
Mark Brown556e4fb2011-04-12 14:15:10 -0700253 SOC_DAPM_PIN_SWITCH("WM1250 Input"),
254 SOC_DAPM_PIN_SWITCH("WM1250 Output"),
Mark Brown68d5a592011-08-04 18:13:45 +0900255 SOC_DAPM_PIN_SWITCH("Headphone"),
Mark Brownea0e60d2011-04-12 00:09:53 -0700256};
257
Mark Brownecfb1ad2011-04-11 23:09:15 -0700258static struct snd_soc_dapm_widget widgets[] = {
259 SND_SOC_DAPM_HP("Headphone", NULL),
Mark Brown68688e72011-04-12 00:00:36 -0700260 SND_SOC_DAPM_MIC("Headset Mic", NULL),
Mark Brownecfb1ad2011-04-11 23:09:15 -0700261
262 SND_SOC_DAPM_SPK("Main Speaker", NULL),
263
264 SND_SOC_DAPM_MIC("Main AMIC", NULL),
265 SND_SOC_DAPM_MIC("Main DMIC", NULL),
266};
267
268static struct snd_soc_dapm_route audio_paths[] = {
Mark Brown68688e72011-04-12 00:00:36 -0700269 { "IN1RN", NULL, "MICB1" },
270 { "IN1RP", NULL, "MICB1" },
271 { "IN1RN", NULL, "MICB2" },
272 { "IN1RP", NULL, "MICB2" },
273 { "MICB1", NULL, "Headset Mic", speyside_get_micbias },
274 { "MICB2", NULL, "Headset Mic", speyside_get_micbias },
275
Mark Brownecfb1ad2011-04-11 23:09:15 -0700276 { "IN1LP", NULL, "MICB2" },
Mark Brown68688e72011-04-12 00:00:36 -0700277 { "IN1RN", NULL, "MICB1" },
Mark Brownecfb1ad2011-04-11 23:09:15 -0700278 { "MICB2", NULL, "Main AMIC" },
279
280 { "DMIC1DAT", NULL, "MICB1" },
281 { "DMIC2DAT", NULL, "MICB1" },
282 { "MICB1", NULL, "Main DMIC" },
283
284 { "Headphone", NULL, "HPOUT1L" },
285 { "Headphone", NULL, "HPOUT1R" },
286
Mark Brownea3e98e2011-04-11 23:42:25 -0700287 { "Sub IN1", NULL, "HPOUT2L" },
288 { "Sub IN2", NULL, "HPOUT2R" },
289
290 { "Main Speaker", NULL, "Sub SPKN" },
291 { "Main Speaker", NULL, "Sub SPKP" },
Mark Brownecfb1ad2011-04-11 23:09:15 -0700292 { "Main Speaker", NULL, "SPKDAT" },
293};
294
Mark Brown9b8dc662011-04-12 17:24:39 -0700295static struct snd_soc_card speyside = {
296 .name = "Speyside",
Axel Lin095d79d2011-12-22 10:53:15 +0800297 .owner = THIS_MODULE,
Mark Brown9b8dc662011-04-12 17:24:39 -0700298 .dai_link = speyside_dai,
299 .num_links = ARRAY_SIZE(speyside_dai),
Mark Brownea3e98e2011-04-11 23:42:25 -0700300 .aux_dev = speyside_aux_dev,
301 .num_aux_devs = ARRAY_SIZE(speyside_aux_dev),
302 .codec_conf = speyside_codec_conf,
303 .num_configs = ARRAY_SIZE(speyside_codec_conf),
Mark Brownecfb1ad2011-04-11 23:09:15 -0700304
Mark Brownea0a5912011-04-11 23:32:03 -0700305 .set_bias_level = speyside_set_bias_level,
Mark Brown995e54f2011-06-08 16:11:18 +0100306 .set_bias_level_post = speyside_set_bias_level_post,
Mark Brownea0a5912011-04-11 23:32:03 -0700307
Mark Brownea0e60d2011-04-12 00:09:53 -0700308 .controls = controls,
309 .num_controls = ARRAY_SIZE(controls),
Mark Brownecfb1ad2011-04-11 23:09:15 -0700310 .dapm_widgets = widgets,
311 .num_dapm_widgets = ARRAY_SIZE(widgets),
312 .dapm_routes = audio_paths,
313 .num_dapm_routes = ARRAY_SIZE(audio_paths),
Mark Brown39afd662011-11-23 21:33:07 +0000314 .fully_routed = true,
Mark Brownb7a5d142011-04-12 17:37:52 -0700315
316 .late_probe = speyside_late_probe,
Mark Brown9b8dc662011-04-12 17:24:39 -0700317};
318
Bill Pembertonfdca21a2012-12-07 09:26:15 -0500319static int speyside_probe(struct platform_device *pdev)
Mark Brown9b8dc662011-04-12 17:24:39 -0700320{
321 struct snd_soc_card *card = &speyside;
322 int ret;
323
324 card->dev = &pdev->dev;
325
Tushar Beherac5838832014-05-21 08:52:17 +0530326 ret = devm_snd_soc_register_card(&pdev->dev, card);
327 if (ret)
Mark Brown9b8dc662011-04-12 17:24:39 -0700328 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
329 ret);
Mark Brown9b8dc662011-04-12 17:24:39 -0700330
Tushar Beherac5838832014-05-21 08:52:17 +0530331 return ret;
Mark Brown9b8dc662011-04-12 17:24:39 -0700332}
333
334static struct platform_driver speyside_driver = {
335 .driver = {
336 .name = "speyside",
Mark Brown9b8dc662011-04-12 17:24:39 -0700337 .pm = &snd_soc_pm_ops,
338 },
339 .probe = speyside_probe,
Mark Brown9b8dc662011-04-12 17:24:39 -0700340};
341
Mark Browne00c3f52011-11-23 15:20:13 +0000342module_platform_driver(speyside_driver);
Mark Brown9b8dc662011-04-12 17:24:39 -0700343
344MODULE_DESCRIPTION("Speyside audio support");
345MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
346MODULE_LICENSE("GPL");
347MODULE_ALIAS("platform:speyside");