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linux-pinenote/sound/soc/samsung/speyside.c
Lars-Peter Clausen 57bf772687 ASoC: Pass component instead of DAPM context to AUX dev init callback 
Given that the component is the containing structure it makes more sense to pass
the component rather than the DAPM context to the AUX dev init callback.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:46 -05:00

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/*
* Speyside 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 <linux/module.h>
#include "../codecs/wm8996.h"
#include "../codecs/wm9081.h"
#define WM8996_HPSEL_GPIO 214
#define MCLK_AUDIO_RATE (512 * 48000)
static int speyside_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[1].codec_dai;
int ret;
if (dapm->dev != codec_dai->dev)
return 0;
switch (level) {
case SND_SOC_BIAS_STANDBY:
ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2,
32768, SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;
ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2,
0, 0, 0);
if (ret < 0) {
pr_err("Failed to stop FLL\n");
return ret;
}
break;
default:
break;
}
return 0;
}
static int speyside_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[1].codec_dai;
int ret;
if (dapm->dev != codec_dai->dev)
return 0;
switch (level) {
case SND_SOC_BIAS_PREPARE:
if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) {
ret = snd_soc_dai_set_pll(codec_dai, 0,
WM8996_FLL_MCLK2,
32768, MCLK_AUDIO_RATE);
if (ret < 0) {
pr_err("Failed to start FLL\n");
return ret;
}
ret = snd_soc_dai_set_sysclk(codec_dai,
WM8996_SYSCLK_FLL,
MCLK_AUDIO_RATE,
SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;
}
break;
default:
break;
}
card->dapm.bias_level = level;
return 0;
}
static struct snd_soc_jack speyside_headset;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin speyside_headset_pins[] = {
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
/* Default the headphone selection to active high */
static int speyside_jack_polarity;
static int speyside_get_micbias(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
if (speyside_jack_polarity && (strcmp(source->name, "MICB1") == 0))
return 1;
if (!speyside_jack_polarity && (strcmp(source->name, "MICB2") == 0))
return 1;
return 0;
}
static void speyside_set_polarity(struct snd_soc_codec *codec,
int polarity)
{
speyside_jack_polarity = !polarity;
gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
/* Re-run DAPM to make sure we're using the correct mic bias */
snd_soc_dapm_sync(&codec->dapm);
}
static int speyside_wm0010_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *dai = rtd->codec_dai;
int ret;
ret = snd_soc_dai_set_sysclk(dai, 0, MCLK_AUDIO_RATE, 0);
if (ret < 0)
return ret;
return 0;
}
static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *dai = rtd->codec_dai;
struct snd_soc_codec *codec = rtd->codec;
int ret;
ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0);
if (ret < 0)
return ret;
ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL");
if (ret != 0)
pr_err("Failed to request HP_SEL GPIO: %d\n", ret);
gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);
ret = snd_soc_jack_new(codec, "Headset",
SND_JACK_LINEOUT | SND_JACK_HEADSET |
SND_JACK_BTN_0,
&speyside_headset);
if (ret)
return ret;
ret = snd_soc_jack_add_pins(&speyside_headset,
ARRAY_SIZE(speyside_headset_pins),
speyside_headset_pins);
if (ret)
return ret;
wm8996_detect(codec, &speyside_headset, speyside_set_polarity);
return 0;
}
static int speyside_late_probe(struct snd_soc_card *card)
{
snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");
snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC");
snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC");
snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker");
snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output");
snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input");
return 0;
}
static const struct snd_soc_pcm_stream dsp_codec_params = {
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.rate_min = 48000,
.rate_max = 48000,
.channels_min = 2,
.channels_max = 2,
};
static struct snd_soc_dai_link speyside_dai[] = {
{
.name = "CPU-DSP",
.stream_name = "CPU-DSP",
.cpu_dai_name = "samsung-i2s.0",
.codec_dai_name = "wm0010-sdi1",
.platform_name = "samsung-i2s.0",
.codec_name = "spi0.0",
.init = speyside_wm0010_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
},
{
.name = "DSP-CODEC",
.stream_name = "DSP-CODEC",
.cpu_dai_name = "wm0010-sdi2",
.codec_dai_name = "wm8996-aif1",
.codec_name = "wm8996.1-001a",
.init = speyside_wm8996_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.params = &dsp_codec_params,
.ignore_suspend = 1,
},
{
.name = "Baseband",
.stream_name = "Baseband",
.cpu_dai_name = "wm8996-aif2",
.codec_dai_name = "wm1250-ev1",
.codec_name = "wm1250-ev1.1-0027",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.ignore_suspend = 1,
},
};
static int speyside_wm9081_init(struct snd_soc_component *component)
{
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
/* At any time the WM9081 is active it will have this clock */
return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0,
MCLK_AUDIO_RATE, 0);
}
static struct snd_soc_aux_dev speyside_aux_dev[] = {
{
.name = "wm9081",
.codec_name = "wm9081.1-006c",
.init = speyside_wm9081_init,
},
};
static struct snd_soc_codec_conf speyside_codec_conf[] = {
{
.dev_name = "wm9081.1-006c",
.name_prefix = "Sub",
},
};
static const struct snd_kcontrol_new controls[] = {
SOC_DAPM_PIN_SWITCH("Main Speaker"),
SOC_DAPM_PIN_SWITCH("Main DMIC"),
SOC_DAPM_PIN_SWITCH("Main AMIC"),
SOC_DAPM_PIN_SWITCH("WM1250 Input"),
SOC_DAPM_PIN_SWITCH("WM1250 Output"),
SOC_DAPM_PIN_SWITCH("Headphone"),
};
static struct snd_soc_dapm_widget widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_SPK("Main Speaker", NULL),
SND_SOC_DAPM_MIC("Main AMIC", NULL),
SND_SOC_DAPM_MIC("Main DMIC", NULL),
};
static struct snd_soc_dapm_route audio_paths[] = {
{ "IN1RN", NULL, "MICB1" },
{ "IN1RP", NULL, "MICB1" },
{ "IN1RN", NULL, "MICB2" },
{ "IN1RP", NULL, "MICB2" },
{ "MICB1", NULL, "Headset Mic", speyside_get_micbias },
{ "MICB2", NULL, "Headset Mic", speyside_get_micbias },
{ "IN1LP", NULL, "MICB2" },
{ "IN1RN", NULL, "MICB1" },
{ "MICB2", NULL, "Main AMIC" },
{ "DMIC1DAT", NULL, "MICB1" },
{ "DMIC2DAT", NULL, "MICB1" },
{ "MICB1", NULL, "Main DMIC" },
{ "Headphone", NULL, "HPOUT1L" },
{ "Headphone", NULL, "HPOUT1R" },
{ "Sub IN1", NULL, "HPOUT2L" },
{ "Sub IN2", NULL, "HPOUT2R" },
{ "Main Speaker", NULL, "Sub SPKN" },
{ "Main Speaker", NULL, "Sub SPKP" },
{ "Main Speaker", NULL, "SPKDAT" },
};
static struct snd_soc_card speyside = {
.name = "Speyside",
.owner = THIS_MODULE,
.dai_link = speyside_dai,
.num_links = ARRAY_SIZE(speyside_dai),
.aux_dev = speyside_aux_dev,
.num_aux_devs = ARRAY_SIZE(speyside_aux_dev),
.codec_conf = speyside_codec_conf,
.num_configs = ARRAY_SIZE(speyside_codec_conf),
.set_bias_level = speyside_set_bias_level,
.set_bias_level_post = speyside_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),
.fully_routed = true,
.late_probe = speyside_late_probe,
};
static int speyside_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &speyside;
int ret;
card->dev = &pdev->dev;
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
ret);
return ret;
}
static struct platform_driver speyside_driver = {
.driver = {
.name = "speyside",
.owner = THIS_MODULE,
.pm = &snd_soc_pm_ops,
},
.probe = speyside_probe,
};
module_platform_driver(speyside_driver);
MODULE_DESCRIPTION("Speyside audio support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:speyside");
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