202 lines
6.1 KiB
C
202 lines
6.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Handles the Mitac mioa701 SoC system
|
|
*
|
|
* Copyright (C) 2008 Robert Jarzmik
|
|
*
|
|
* This is a little schema of the sound interconnections :
|
|
*
|
|
* Sagem X200 Wolfson WM9713
|
|
* +--------+ +-------------------+ Rear Speaker
|
|
* | | | | /-+
|
|
* | +--->----->---+MONOIN SPKL+--->----+-+ |
|
|
* | GSM | | | | | |
|
|
* | +--->----->---+PCBEEP SPKR+--->----+-+ |
|
|
* | CHIP | | | \-+
|
|
* | +---<-----<---+MONO |
|
|
* | | | | Front Speaker
|
|
* +--------+ | | /-+
|
|
* | HPL+--->----+-+ |
|
|
* | | | | |
|
|
* | OUT3+--->----+-+ |
|
|
* | | \-+
|
|
* | |
|
|
* | | Front Micro
|
|
* | | +
|
|
* | MIC1+-----<--+o+
|
|
* | | +
|
|
* +-------------------+ ---
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <linux/platform_data/asoc-pxa.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/initval.h>
|
|
#include <sound/ac97_codec.h>
|
|
|
|
#include "../codecs/wm9713.h"
|
|
|
|
#define AC97_GPIO_PULL 0x58
|
|
|
|
/* Use GPIO8 for rear speaker amplifier */
|
|
static int rear_amp_power(struct snd_soc_component *component, int power)
|
|
{
|
|
unsigned short reg;
|
|
|
|
if (power) {
|
|
reg = snd_soc_component_read(component, AC97_GPIO_CFG);
|
|
snd_soc_component_write(component, AC97_GPIO_CFG, reg | 0x0100);
|
|
reg = snd_soc_component_read(component, AC97_GPIO_PULL);
|
|
snd_soc_component_write(component, AC97_GPIO_PULL, reg | (1<<15));
|
|
} else {
|
|
reg = snd_soc_component_read(component, AC97_GPIO_CFG);
|
|
snd_soc_component_write(component, AC97_GPIO_CFG, reg & ~0x0100);
|
|
reg = snd_soc_component_read(component, AC97_GPIO_PULL);
|
|
snd_soc_component_write(component, AC97_GPIO_PULL, reg & ~(1<<15));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rear_amp_event(struct snd_soc_dapm_widget *widget,
|
|
struct snd_kcontrol *kctl, int event)
|
|
{
|
|
struct snd_soc_card *card = widget->dapm->card;
|
|
struct snd_soc_pcm_runtime *rtd;
|
|
struct snd_soc_component *component;
|
|
|
|
rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
|
|
component = asoc_rtd_to_codec(rtd, 0)->component;
|
|
return rear_amp_power(component, SND_SOC_DAPM_EVENT_ON(event));
|
|
}
|
|
|
|
/* mioa701 machine dapm widgets */
|
|
static const struct snd_soc_dapm_widget mioa701_dapm_widgets[] = {
|
|
SND_SOC_DAPM_SPK("Front Speaker", NULL),
|
|
SND_SOC_DAPM_SPK("Rear Speaker", rear_amp_event),
|
|
SND_SOC_DAPM_MIC("Headset", NULL),
|
|
SND_SOC_DAPM_LINE("GSM Line Out", NULL),
|
|
SND_SOC_DAPM_LINE("GSM Line In", NULL),
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
|
SND_SOC_DAPM_MIC("Front Mic", NULL),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route audio_map[] = {
|
|
/* Call Mic */
|
|
{"Mic Bias", NULL, "Front Mic"},
|
|
{"MIC1", NULL, "Mic Bias"},
|
|
|
|
/* Headset Mic */
|
|
{"LINEL", NULL, "Headset Mic"},
|
|
{"LINER", NULL, "Headset Mic"},
|
|
|
|
/* GSM Module */
|
|
{"MONOIN", NULL, "GSM Line Out"},
|
|
{"PCBEEP", NULL, "GSM Line Out"},
|
|
{"GSM Line In", NULL, "MONO"},
|
|
|
|
/* headphone connected to HPL, HPR */
|
|
{"Headset", NULL, "HPL"},
|
|
{"Headset", NULL, "HPR"},
|
|
|
|
/* front speaker connected to HPL, OUT3 */
|
|
{"Front Speaker", NULL, "HPL"},
|
|
{"Front Speaker", NULL, "OUT3"},
|
|
|
|
/* rear speaker connected to SPKL, SPKR */
|
|
{"Rear Speaker", NULL, "SPKL"},
|
|
{"Rear Speaker", NULL, "SPKR"},
|
|
};
|
|
|
|
static int mioa701_wm9713_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
|
|
|
|
/* Prepare GPIO8 for rear speaker amplifier */
|
|
snd_soc_component_update_bits(component, AC97_GPIO_CFG, 0x100, 0x100);
|
|
|
|
/* Prepare MIC input */
|
|
snd_soc_component_update_bits(component, AC97_3D_CONTROL, 0xc000, 0xc000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_ops mioa701_ops;
|
|
|
|
SND_SOC_DAILINK_DEFS(ac97,
|
|
DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")),
|
|
DAILINK_COMP_ARRAY(COMP_CODEC("wm9713-codec", "wm9713-hifi")),
|
|
DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
|
|
|
|
SND_SOC_DAILINK_DEFS(ac97_aux,
|
|
DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")),
|
|
DAILINK_COMP_ARRAY(COMP_CODEC("wm9713-codec", "wm9713-aux")),
|
|
DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
|
|
|
|
static struct snd_soc_dai_link mioa701_dai[] = {
|
|
{
|
|
.name = "AC97",
|
|
.stream_name = "AC97 HiFi",
|
|
.init = mioa701_wm9713_init,
|
|
.ops = &mioa701_ops,
|
|
SND_SOC_DAILINK_REG(ac97),
|
|
},
|
|
{
|
|
.name = "AC97 Aux",
|
|
.stream_name = "AC97 Aux",
|
|
.ops = &mioa701_ops,
|
|
SND_SOC_DAILINK_REG(ac97_aux),
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_card mioa701 = {
|
|
.name = "MioA701",
|
|
.owner = THIS_MODULE,
|
|
.dai_link = mioa701_dai,
|
|
.num_links = ARRAY_SIZE(mioa701_dai),
|
|
|
|
.dapm_widgets = mioa701_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(mioa701_dapm_widgets),
|
|
.dapm_routes = audio_map,
|
|
.num_dapm_routes = ARRAY_SIZE(audio_map),
|
|
};
|
|
|
|
static int mioa701_wm9713_probe(struct platform_device *pdev)
|
|
{
|
|
int rc;
|
|
|
|
if (!machine_is_mioa701())
|
|
return -ENODEV;
|
|
|
|
mioa701.dev = &pdev->dev;
|
|
rc = devm_snd_soc_register_card(&pdev->dev, &mioa701);
|
|
if (!rc)
|
|
dev_warn(&pdev->dev, "Be warned that incorrect mixers/muxes setup will "
|
|
"lead to overheating and possible destruction of your device."
|
|
" Do not use without a good knowledge of mio's board design!\n");
|
|
return rc;
|
|
}
|
|
|
|
static struct platform_driver mioa701_wm9713_driver = {
|
|
.probe = mioa701_wm9713_probe,
|
|
.driver = {
|
|
.name = "mioa701-wm9713",
|
|
.pm = &snd_soc_pm_ops,
|
|
},
|
|
};
|
|
|
|
module_platform_driver(mioa701_wm9713_driver);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Robert Jarzmik (rjarzmik@free.fr)");
|
|
MODULE_DESCRIPTION("ALSA SoC WM9713 MIO A701");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:mioa701-wm9713");
|