2011-04-25 10:30:45 -07:00
|
|
|
/*
|
|
|
|
* Speyside with WM8962 audio support
|
|
|
|
*
|
|
|
|
* Copyright 2011 Wolfson Microelectronics
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
|
|
* under the terms of the GNU General Public License as published by the
|
|
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
|
|
* option) any later version.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <sound/soc.h>
|
|
|
|
#include <sound/soc-dapm.h>
|
|
|
|
#include <sound/jack.h>
|
|
|
|
#include <linux/gpio.h>
|
|
|
|
|
|
|
|
#include "../codecs/wm8962.h"
|
|
|
|
|
2011-09-23 08:05:00 -07:00
|
|
|
static int sample_rate = 44100;
|
|
|
|
|
2011-04-25 10:30:45 -07:00
|
|
|
static int speyside_wm8962_set_bias_level(struct snd_soc_card *card,
|
|
|
|
struct snd_soc_dapm_context *dapm,
|
|
|
|
enum snd_soc_bias_level level)
|
|
|
|
{
|
|
|
|
struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
|
|
|
|
int ret;
|
|
|
|
|
2011-08-21 04:20:00 -07:00
|
|
|
if (dapm->dev != codec_dai->dev)
|
|
|
|
return 0;
|
|
|
|
|
2011-04-25 10:30:45 -07:00
|
|
|
switch (level) {
|
|
|
|
case SND_SOC_BIAS_PREPARE:
|
|
|
|
if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
|
|
|
|
ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
|
|
|
|
WM8962_FLL_MCLK, 32768,
|
2011-09-23 08:05:00 -07:00
|
|
|
sample_rate * 512);
|
2011-04-25 10:30:45 -07:00
|
|
|
if (ret < 0)
|
2011-06-29 14:07:24 -07:00
|
|
|
pr_err("Failed to start FLL: %d\n", ret);
|
2011-04-25 10:30:45 -07:00
|
|
|
|
|
|
|
ret = snd_soc_dai_set_sysclk(codec_dai,
|
|
|
|
WM8962_SYSCLK_FLL,
|
2011-09-23 08:05:00 -07:00
|
|
|
sample_rate * 512,
|
2011-04-25 10:30:45 -07:00
|
|
|
SND_SOC_CLOCK_IN);
|
2011-06-29 14:07:24 -07:00
|
|
|
if (ret < 0) {
|
2011-08-03 18:54:17 -07:00
|
|
|
pr_err("Failed to set SYSCLK: %d\n", ret);
|
2011-04-25 10:30:45 -07:00
|
|
|
return ret;
|
2011-06-29 14:07:24 -07:00
|
|
|
}
|
2011-04-25 10:30:45 -07:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int speyside_wm8962_set_bias_level_post(struct snd_soc_card *card,
|
|
|
|
struct snd_soc_dapm_context *dapm,
|
|
|
|
enum snd_soc_bias_level level)
|
|
|
|
{
|
|
|
|
struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
|
|
|
|
int ret;
|
|
|
|
|
2011-08-21 04:20:00 -07:00
|
|
|
if (dapm->dev != codec_dai->dev)
|
|
|
|
return 0;
|
|
|
|
|
2011-04-25 10:30:45 -07:00
|
|
|
switch (level) {
|
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
|
|
|
|
32768, SND_SOC_CLOCK_IN);
|
2011-06-29 14:07:24 -07:00
|
|
|
if (ret < 0) {
|
|
|
|
pr_err("Failed to switch away from FLL: %d\n", ret);
|
2011-04-25 10:30:45 -07:00
|
|
|
return ret;
|
2011-06-29 14:07:24 -07:00
|
|
|
}
|
2011-04-25 10:30:45 -07:00
|
|
|
|
|
|
|
ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
|
|
|
|
0, 0, 0);
|
|
|
|
if (ret < 0) {
|
2011-06-29 14:07:24 -07:00
|
|
|
pr_err("Failed to stop FLL: %d\n", ret);
|
2011-04-25 10:30:45 -07:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
dapm->bias_level = level;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int speyside_wm8962_hw_params(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_pcm_hw_params *params)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
|
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
|
|
|
|
| SND_SOC_DAIFMT_NB_NF
|
|
|
|
| SND_SOC_DAIFMT_CBM_CFM);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S
|
|
|
|
| SND_SOC_DAIFMT_NB_NF
|
|
|
|
| SND_SOC_DAIFMT_CBM_CFM);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
2011-09-23 08:05:00 -07:00
|
|
|
sample_rate = params_rate(params);
|
|
|
|
|
2011-04-25 10:30:45 -07:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct snd_soc_ops speyside_wm8962_ops = {
|
|
|
|
.hw_params = speyside_wm8962_hw_params,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_dai_link speyside_wm8962_dai[] = {
|
|
|
|
{
|
|
|
|
.name = "CPU",
|
|
|
|
.stream_name = "CPU",
|
|
|
|
.cpu_dai_name = "samsung-i2s.0",
|
|
|
|
.codec_dai_name = "wm8962",
|
|
|
|
.platform_name = "samsung-audio",
|
|
|
|
.codec_name = "wm8962.1-001a",
|
|
|
|
.ops = &speyside_wm8962_ops,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_kcontrol_new controls[] = {
|
|
|
|
SOC_DAPM_PIN_SWITCH("Main Speaker"),
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_dapm_widget widgets[] = {
|
|
|
|
SND_SOC_DAPM_HP("Headphone", NULL),
|
|
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
|
|
|
|
|
|
|
SND_SOC_DAPM_MIC("DMIC", NULL),
|
2011-09-23 08:23:11 -07:00
|
|
|
SND_SOC_DAPM_MIC("AMIC", NULL),
|
2011-04-25 10:30:45 -07:00
|
|
|
|
|
|
|
SND_SOC_DAPM_SPK("Main Speaker", NULL),
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_dapm_route audio_paths[] = {
|
|
|
|
{ "Headphone", NULL, "HPOUTL" },
|
|
|
|
{ "Headphone", NULL, "HPOUTR" },
|
|
|
|
|
|
|
|
{ "Main Speaker", NULL, "SPKOUTL" },
|
|
|
|
{ "Main Speaker", NULL, "SPKOUTR" },
|
|
|
|
|
2011-09-23 08:22:48 -07:00
|
|
|
{ "Headset Mic", NULL, "MICBIAS" },
|
|
|
|
{ "IN4L", NULL, "Headset Mic" },
|
|
|
|
{ "IN4R", NULL, "Headset Mic" },
|
2011-04-25 10:30:45 -07:00
|
|
|
|
2011-09-23 08:23:11 -07:00
|
|
|
{ "AMIC", NULL, "MICBIAS" },
|
|
|
|
{ "IN1L", NULL, "AMIC" },
|
|
|
|
{ "IN1R", NULL, "AMIC" },
|
|
|
|
|
2011-09-23 08:22:48 -07:00
|
|
|
{ "DMIC", NULL, "MICBIAS" },
|
|
|
|
{ "DMICDAT", NULL, "DMIC" },
|
2011-04-25 10:30:45 -07:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_jack speyside_wm8962_headset;
|
|
|
|
|
|
|
|
/* Headset jack detection DAPM pins */
|
|
|
|
static struct snd_soc_jack_pin speyside_wm8962_headset_pins[] = {
|
|
|
|
{
|
|
|
|
.pin = "Headset Mic",
|
|
|
|
.mask = SND_JACK_MICROPHONE,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.pin = "Headphone",
|
|
|
|
.mask = SND_JACK_MICROPHONE,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static int speyside_wm8962_late_probe(struct snd_soc_card *card)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = card->rtd[0].codec;
|
|
|
|
struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
|
|
|
|
32768, SND_SOC_CLOCK_IN);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
ret = snd_soc_jack_new(codec, "Headset",
|
|
|
|
SND_JACK_HEADSET | SND_JACK_BTN_0,
|
|
|
|
&speyside_wm8962_headset);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
ret = snd_soc_jack_add_pins(&speyside_wm8962_headset,
|
|
|
|
ARRAY_SIZE(speyside_wm8962_headset_pins),
|
|
|
|
speyside_wm8962_headset_pins);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
wm8962_mic_detect(codec, &speyside_wm8962_headset);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct snd_soc_card speyside_wm8962 = {
|
|
|
|
.name = "Speyside WM8962",
|
|
|
|
.dai_link = speyside_wm8962_dai,
|
|
|
|
.num_links = ARRAY_SIZE(speyside_wm8962_dai),
|
|
|
|
|
|
|
|
.set_bias_level = speyside_wm8962_set_bias_level,
|
|
|
|
.set_bias_level_post = speyside_wm8962_set_bias_level_post,
|
|
|
|
|
|
|
|
.controls = controls,
|
|
|
|
.num_controls = ARRAY_SIZE(controls),
|
|
|
|
.dapm_widgets = widgets,
|
|
|
|
.num_dapm_widgets = ARRAY_SIZE(widgets),
|
|
|
|
.dapm_routes = audio_paths,
|
|
|
|
.num_dapm_routes = ARRAY_SIZE(audio_paths),
|
|
|
|
|
|
|
|
.late_probe = speyside_wm8962_late_probe,
|
|
|
|
};
|
|
|
|
|
|
|
|
static __devinit int speyside_wm8962_probe(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = &speyside_wm8962;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
card->dev = &pdev->dev;
|
|
|
|
|
|
|
|
ret = snd_soc_register_card(card);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
|
|
|
|
ret);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int __devexit speyside_wm8962_remove(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
|
|
|
|
|
|
snd_soc_unregister_card(card);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct platform_driver speyside_wm8962_driver = {
|
|
|
|
.driver = {
|
|
|
|
.name = "speyside-wm8962",
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.pm = &snd_soc_pm_ops,
|
|
|
|
},
|
|
|
|
.probe = speyside_wm8962_probe,
|
|
|
|
.remove = __devexit_p(speyside_wm8962_remove),
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init speyside_wm8962_audio_init(void)
|
|
|
|
{
|
|
|
|
return platform_driver_register(&speyside_wm8962_driver);
|
|
|
|
}
|
|
|
|
module_init(speyside_wm8962_audio_init);
|
|
|
|
|
|
|
|
static void __exit speyside_wm8962_audio_exit(void)
|
|
|
|
{
|
|
|
|
platform_driver_unregister(&speyside_wm8962_driver);
|
|
|
|
}
|
|
|
|
module_exit(speyside_wm8962_audio_exit);
|
|
|
|
|
|
|
|
MODULE_DESCRIPTION("Speyside WM8962 audio support");
|
|
|
|
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
MODULE_ALIAS("platform:speyside-wm8962");
|