2 * Speyside audio support
4 * Copyright 2011 Wolfson Microelectronics
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.
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>
18 #include "../codecs/wm8996.h"
19 #include "../codecs/wm9081.h"
21 #define WM8996_HPSEL_GPIO 214
22 #define MCLK_AUDIO_RATE (512 * 48000)
24 static int speyside_set_bias_level(struct snd_soc_card *card,
25 struct snd_soc_dapm_context *dapm,
26 enum snd_soc_bias_level level)
28 struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai;
31 if (dapm->dev != codec_dai->dev)
35 case SND_SOC_BIAS_STANDBY:
36 ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2,
37 32768, SND_SOC_CLOCK_IN);
41 ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2,
44 pr_err("Failed to stop FLL\n");
56 static 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)
60 struct snd_soc_dai *codec_dai = card->rtd[1].codec_dai;
63 if (dapm->dev != codec_dai->dev)
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,
71 32768, MCLK_AUDIO_RATE);
73 pr_err("Failed to start FLL\n");
77 ret = snd_soc_dai_set_sysclk(codec_dai,
90 card->dapm.bias_level = level;
95 static struct snd_soc_jack speyside_headset;
97 /* Headset jack detection DAPM pins */
98 static struct snd_soc_jack_pin speyside_headset_pins[] = {
100 .pin = "Headset Mic",
101 .mask = SND_JACK_MICROPHONE,
105 /* Default the headphone selection to active high */
106 static int speyside_jack_polarity;
108 static int speyside_get_micbias(struct snd_soc_dapm_widget *source,
109 struct snd_soc_dapm_widget *sink)
111 if (speyside_jack_polarity && (strcmp(source->name, "MICB1") == 0))
113 if (!speyside_jack_polarity && (strcmp(source->name, "MICB2") == 0))
119 static void speyside_set_polarity(struct snd_soc_codec *codec,
122 speyside_jack_polarity = !polarity;
123 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
125 /* Re-run DAPM to make sure we're using the correct mic bias */
126 snd_soc_dapm_sync(snd_soc_codec_get_dapm(codec));
129 static int speyside_wm0010_init(struct snd_soc_pcm_runtime *rtd)
131 struct snd_soc_dai *dai = rtd->codec_dai;
134 ret = snd_soc_dai_set_sysclk(dai, 0, MCLK_AUDIO_RATE, 0);
141 static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd)
143 struct snd_soc_dai *dai = rtd->codec_dai;
144 struct snd_soc_codec *codec = rtd->codec;
147 ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0);
151 ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL");
153 pr_err("Failed to request HP_SEL GPIO: %d\n", ret);
154 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
156 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));
163 wm8996_detect(codec, &speyside_headset, speyside_set_polarity);
168 static int speyside_late_probe(struct snd_soc_card *card)
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");
174 snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker");
175 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output");
176 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input");
181 static const struct snd_soc_pcm_stream dsp_codec_params = {
182 .formats = SNDRV_PCM_FMTBIT_S32_LE,
189 static struct snd_soc_dai_link speyside_dai[] = {
192 .stream_name = "CPU-DSP",
193 .cpu_dai_name = "samsung-i2s.0",
194 .codec_dai_name = "wm0010-sdi1",
195 .platform_name = "samsung-i2s.0",
196 .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,
203 .stream_name = "DSP-CODEC",
204 .cpu_dai_name = "wm0010-sdi2",
205 .codec_dai_name = "wm8996-aif1",
206 .codec_name = "wm8996.1-001a",
207 .init = speyside_wm8996_init,
208 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
209 | SND_SOC_DAIFMT_CBM_CFM,
210 .params = &dsp_codec_params,
215 .stream_name = "Baseband",
216 .cpu_dai_name = "wm8996-aif2",
217 .codec_dai_name = "wm1250-ev1",
218 .codec_name = "wm1250-ev1.1-0027",
219 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
220 | SND_SOC_DAIFMT_CBM_CFM,
225 static int speyside_wm9081_init(struct snd_soc_component *component)
227 struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
229 /* At any time the WM9081 is active it will have this clock */
230 return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0,
234 static struct snd_soc_aux_dev speyside_aux_dev[] = {
237 .codec_name = "wm9081.1-006c",
238 .init = speyside_wm9081_init,
242 static struct snd_soc_codec_conf speyside_codec_conf[] = {
244 .dev_name = "wm9081.1-006c",
245 .name_prefix = "Sub",
249 static 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"),
253 SOC_DAPM_PIN_SWITCH("WM1250 Input"),
254 SOC_DAPM_PIN_SWITCH("WM1250 Output"),
255 SOC_DAPM_PIN_SWITCH("Headphone"),
258 static struct snd_soc_dapm_widget widgets[] = {
259 SND_SOC_DAPM_HP("Headphone", NULL),
260 SND_SOC_DAPM_MIC("Headset Mic", NULL),
262 SND_SOC_DAPM_SPK("Main Speaker", NULL),
264 SND_SOC_DAPM_MIC("Main AMIC", NULL),
265 SND_SOC_DAPM_MIC("Main DMIC", NULL),
268 static struct snd_soc_dapm_route audio_paths[] = {
269 { "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 },
276 { "IN1LP", NULL, "MICB2" },
277 { "IN1RN", NULL, "MICB1" },
278 { "MICB2", NULL, "Main AMIC" },
280 { "DMIC1DAT", NULL, "MICB1" },
281 { "DMIC2DAT", NULL, "MICB1" },
282 { "MICB1", NULL, "Main DMIC" },
284 { "Headphone", NULL, "HPOUT1L" },
285 { "Headphone", NULL, "HPOUT1R" },
287 { "Sub IN1", NULL, "HPOUT2L" },
288 { "Sub IN2", NULL, "HPOUT2R" },
290 { "Main Speaker", NULL, "Sub SPKN" },
291 { "Main Speaker", NULL, "Sub SPKP" },
292 { "Main Speaker", NULL, "SPKDAT" },
295 static struct snd_soc_card speyside = {
297 .owner = THIS_MODULE,
298 .dai_link = speyside_dai,
299 .num_links = ARRAY_SIZE(speyside_dai),
300 .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),
305 .set_bias_level = speyside_set_bias_level,
306 .set_bias_level_post = speyside_set_bias_level_post,
308 .controls = controls,
309 .num_controls = ARRAY_SIZE(controls),
310 .dapm_widgets = widgets,
311 .num_dapm_widgets = ARRAY_SIZE(widgets),
312 .dapm_routes = audio_paths,
313 .num_dapm_routes = ARRAY_SIZE(audio_paths),
314 .fully_routed = true,
316 .late_probe = speyside_late_probe,
319 static int speyside_probe(struct platform_device *pdev)
321 struct snd_soc_card *card = &speyside;
324 card->dev = &pdev->dev;
326 ret = devm_snd_soc_register_card(&pdev->dev, card);
328 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
334 static struct platform_driver speyside_driver = {
337 .pm = &snd_soc_pm_ops,
339 .probe = speyside_probe,
342 module_platform_driver(speyside_driver);
344 MODULE_DESCRIPTION("Speyside audio support");
345 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
346 MODULE_LICENSE("GPL");
347 MODULE_ALIAS("platform:speyside");