173 строки
4.1 KiB
C
173 строки
4.1 KiB
C
/*
|
|
* e800-wm9712.c -- SoC audio for e800
|
|
*
|
|
* 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 <sound/soc-dapm.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <mach/audio.h>
|
|
#include <mach/eseries-gpio.h>
|
|
|
|
#include "../codecs/wm9712.h"
|
|
#include "pxa2xx-ac97.h"
|
|
|
|
static int e800_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_E800_SPK_AMP_ON, 1);
|
|
else if (event & SND_SOC_DAPM_POST_PMD)
|
|
gpio_set_value(GPIO_E800_SPK_AMP_ON, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int e800_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_E800_HP_AMP_OFF, 0);
|
|
else if (event & SND_SOC_DAPM_POST_PMD)
|
|
gpio_set_value(GPIO_E800_HP_AMP_OFF, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_widget e800_dapm_widgets[] = {
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
|
SND_SOC_DAPM_MIC("Mic (Internal1)", NULL),
|
|
SND_SOC_DAPM_MIC("Mic (Internal2)", NULL),
|
|
SND_SOC_DAPM_SPK("Speaker", NULL),
|
|
SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
|
|
e800_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,
|
|
e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
|
|
SND_SOC_DAPM_POST_PMD),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route audio_map[] = {
|
|
{"Headphone Jack", NULL, "HPOUTL"},
|
|
{"Headphone Jack", NULL, "HPOUTR"},
|
|
{"Headphone Jack", NULL, "Headphone Amp"},
|
|
|
|
{"Speaker Amp", NULL, "MONOOUT"},
|
|
{"Speaker", NULL, "Speaker Amp"},
|
|
|
|
{"MIC1", NULL, "Mic (Internal1)"},
|
|
{"MIC2", NULL, "Mic (Internal2)"},
|
|
};
|
|
|
|
static int e800_ac97_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
|
|
snd_soc_dapm_new_controls(codec, e800_dapm_widgets,
|
|
ARRAY_SIZE(e800_dapm_widgets));
|
|
|
|
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
|
|
snd_soc_dapm_sync(codec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_dai_link e800_dai[] = {
|
|
{
|
|
.name = "AC97",
|
|
.stream_name = "AC97 HiFi",
|
|
.cpu_dai_name = "pxa-ac97.0",
|
|
.codec_dai_name = "wm9712-hifi",
|
|
.platform_name = "pxa-pcm-audio",
|
|
.codec_name = "wm9712-codec",
|
|
.init = e800_ac97_init,
|
|
},
|
|
{
|
|
.name = "AC97 Aux",
|
|
.stream_name = "AC97 Aux",
|
|
.cpu_dai_name = "pxa-ac97.1",
|
|
.codec_dai_name ="wm9712-aux",
|
|
.platform_name = "pxa-pcm-audio",
|
|
.codec_name = "wm9712-codec",
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_card e800 = {
|
|
.name = "Toshiba e800",
|
|
.dai_link = e800_dai,
|
|
.num_links = ARRAY_SIZE(e800_dai),
|
|
};
|
|
|
|
static struct platform_device *e800_snd_device;
|
|
|
|
static int __init e800_init(void)
|
|
{
|
|
int ret;
|
|
|
|
if (!machine_is_e800())
|
|
return -ENODEV;
|
|
|
|
ret = gpio_request(GPIO_E800_HP_AMP_OFF, "Headphone amp");
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = gpio_request(GPIO_E800_SPK_AMP_ON, "Speaker amp");
|
|
if (ret)
|
|
goto free_hp_amp_gpio;
|
|
|
|
ret = gpio_direction_output(GPIO_E800_HP_AMP_OFF, 1);
|
|
if (ret)
|
|
goto free_spk_amp_gpio;
|
|
|
|
ret = gpio_direction_output(GPIO_E800_SPK_AMP_ON, 1);
|
|
if (ret)
|
|
goto free_spk_amp_gpio;
|
|
|
|
e800_snd_device = platform_device_alloc("soc-audio", -1);
|
|
if (!e800_snd_device)
|
|
return -ENOMEM;
|
|
|
|
platform_set_drvdata(e800_snd_device, &e800);
|
|
ret = platform_device_add(e800_snd_device);
|
|
|
|
if (!ret)
|
|
return 0;
|
|
|
|
/* Fail gracefully */
|
|
platform_device_put(e800_snd_device);
|
|
free_spk_amp_gpio:
|
|
gpio_free(GPIO_E800_SPK_AMP_ON);
|
|
free_hp_amp_gpio:
|
|
gpio_free(GPIO_E800_HP_AMP_OFF);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit e800_exit(void)
|
|
{
|
|
platform_device_unregister(e800_snd_device);
|
|
gpio_free(GPIO_E800_SPK_AMP_ON);
|
|
gpio_free(GPIO_E800_HP_AMP_OFF);
|
|
}
|
|
|
|
module_init(e800_init);
|
|
module_exit(e800_exit);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
|
|
MODULE_DESCRIPTION("ALSA SoC driver for e800");
|
|
MODULE_LICENSE("GPL v2");
|