175 lines
4.4 KiB
C
175 lines
4.4 KiB
C
/*
|
|
* e750-wm9705.c -- SoC audio for e750
|
|
*
|
|
* Copyright 2007 (c) Ian Molton <spyro@f2s.com>
|
|
*
|
|
* 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; version 2 ONLY.
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/gpio.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
|
|
#include <mach/audio.h>
|
|
#include <mach/eseries-gpio.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
|
|
#include "../codecs/wm9705.h"
|
|
#include "pxa2xx-ac97.h"
|
|
|
|
static int e750_spk_amp_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
{
|
|
if (event & SND_SOC_DAPM_PRE_PMU)
|
|
gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0);
|
|
else if (event & SND_SOC_DAPM_POST_PMD)
|
|
gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int e750_hp_amp_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
{
|
|
if (event & SND_SOC_DAPM_PRE_PMU)
|
|
gpio_set_value(GPIO_E750_HP_AMP_OFF, 0);
|
|
else if (event & SND_SOC_DAPM_POST_PMD)
|
|
gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
|
SND_SOC_DAPM_SPK("Speaker", NULL),
|
|
SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
|
|
SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
|
|
e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
|
|
SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
|
|
e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
|
|
SND_SOC_DAPM_POST_PMD),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route audio_map[] = {
|
|
{"Headphone Amp", NULL, "HPOUTL"},
|
|
{"Headphone Amp", NULL, "HPOUTR"},
|
|
{"Headphone Jack", NULL, "Headphone Amp"},
|
|
|
|
{"Speaker Amp", NULL, "MONOOUT"},
|
|
{"Speaker", NULL, "Speaker Amp"},
|
|
|
|
{"MIC1", NULL, "Mic (Internal)"},
|
|
};
|
|
|
|
static int e750_ac97_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
struct snd_soc_dapm_context *dapm = &codec->dapm;
|
|
|
|
snd_soc_dapm_nc_pin(dapm, "LOUT");
|
|
snd_soc_dapm_nc_pin(dapm, "ROUT");
|
|
snd_soc_dapm_nc_pin(dapm, "PHONE");
|
|
snd_soc_dapm_nc_pin(dapm, "LINEINL");
|
|
snd_soc_dapm_nc_pin(dapm, "LINEINR");
|
|
snd_soc_dapm_nc_pin(dapm, "CDINL");
|
|
snd_soc_dapm_nc_pin(dapm, "CDINR");
|
|
snd_soc_dapm_nc_pin(dapm, "PCBEEP");
|
|
snd_soc_dapm_nc_pin(dapm, "MIC2");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_dai_link e750_dai[] = {
|
|
{
|
|
.name = "AC97",
|
|
.stream_name = "AC97 HiFi",
|
|
.cpu_dai_name = "pxa2xx-ac97",
|
|
.codec_dai_name = "wm9705-hifi",
|
|
.platform_name = "pxa-pcm-audio",
|
|
.codec_name = "wm9705-codec",
|
|
.init = e750_ac97_init,
|
|
/* use ops to check startup state */
|
|
},
|
|
{
|
|
.name = "AC97 Aux",
|
|
.stream_name = "AC97 Aux",
|
|
.cpu_dai_name = "pxa2xx-ac97-aux",
|
|
.codec_dai_name ="wm9705-aux",
|
|
.platform_name = "pxa-pcm-audio",
|
|
.codec_name = "wm9705-codec",
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_card e750 = {
|
|
.name = "Toshiba e750",
|
|
.owner = THIS_MODULE,
|
|
.dai_link = e750_dai,
|
|
.num_links = ARRAY_SIZE(e750_dai),
|
|
|
|
.dapm_widgets = e750_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(e750_dapm_widgets),
|
|
.dapm_routes = audio_map,
|
|
.num_dapm_routes = ARRAY_SIZE(audio_map),
|
|
};
|
|
|
|
static struct gpio e750_audio_gpios[] = {
|
|
{ GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
|
|
{ GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
|
|
};
|
|
|
|
static int e750_probe(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card = &e750;
|
|
int ret;
|
|
|
|
ret = gpio_request_array(e750_audio_gpios,
|
|
ARRAY_SIZE(e750_audio_gpios));
|
|
if (ret)
|
|
return 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);
|
|
gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int e750_remove(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
|
|
gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
|
|
snd_soc_unregister_card(card);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver e750_driver = {
|
|
.driver = {
|
|
.name = "e750-audio",
|
|
.pm = &snd_soc_pm_ops,
|
|
},
|
|
.probe = e750_probe,
|
|
.remove = e750_remove,
|
|
};
|
|
|
|
module_platform_driver(e750_driver);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
|
|
MODULE_DESCRIPTION("ALSA SoC driver for e750");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_ALIAS("platform:e750-audio");
|