mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 14:46:47 +07:00
[ALSA] ASoC pxa2xx Corgi machine support
This patch adds Alsa audio support to the Sharp Zaurus SL-C7x0/C860 (Corgi) machines. From: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Graeme Gregory <dp@xora.org.uk> Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Liam Girdwood
Jaroslav Kysela
parent
75b4102766
commit
a1eb4b3caf
361
sound/soc/pxa/corgi.c
Normal file
361
sound/soc/pxa/corgi.c
Normal file
@ -0,0 +1,361 @@
|
||||
/*
|
||||
* corgi.c -- SoC audio for Corgi
|
||||
*
|
||||
* Copyright 2005 Wolfson Microelectronics PLC.
|
||||
* Copyright 2005 Openedhand Ltd.
|
||||
*
|
||||
* Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
|
||||
* Richard Purdie <richard@openedhand.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; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* Revision history
|
||||
* 30th Nov 2005 Initial version.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/moduleparam.h>
|
||||
#include <linux/timer.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <sound/driver.h>
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
#include <sound/soc.h>
|
||||
#include <sound/soc-dapm.h>
|
||||
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/hardware/scoop.h>
|
||||
#include <asm/arch/pxa-regs.h>
|
||||
#include <asm/arch/hardware.h>
|
||||
#include <asm/arch/corgi.h>
|
||||
#include <asm/arch/audio.h>
|
||||
|
||||
#include "../codecs/wm8731.h"
|
||||
#include "pxa2xx-pcm.h"
|
||||
|
||||
#define CORGI_HP 0
|
||||
#define CORGI_MIC 1
|
||||
#define CORGI_LINE 2
|
||||
#define CORGI_HEADSET 3
|
||||
#define CORGI_HP_OFF 4
|
||||
#define CORGI_SPK_ON 0
|
||||
#define CORGI_SPK_OFF 1
|
||||
|
||||
/* audio clock in Hz - rounded from 12.235MHz */
|
||||
#define CORGI_AUDIO_CLOCK 12288000
|
||||
|
||||
static int corgi_jack_func;
|
||||
static int corgi_spk_func;
|
||||
|
||||
static void corgi_ext_control(struct snd_soc_codec *codec)
|
||||
{
|
||||
int spk = 0, mic = 0, line = 0, hp = 0, hs = 0;
|
||||
|
||||
/* set up jack connection */
|
||||
switch (corgi_jack_func) {
|
||||
case CORGI_HP:
|
||||
hp = 1;
|
||||
/* set = unmute headphone */
|
||||
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
|
||||
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
|
||||
break;
|
||||
case CORGI_MIC:
|
||||
mic = 1;
|
||||
/* reset = mute headphone */
|
||||
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
|
||||
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
|
||||
break;
|
||||
case CORGI_LINE:
|
||||
line = 1;
|
||||
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
|
||||
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
|
||||
break;
|
||||
case CORGI_HEADSET:
|
||||
hs = 1;
|
||||
mic = 1;
|
||||
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
|
||||
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
|
||||
break;
|
||||
}
|
||||
|
||||
if (corgi_spk_func == CORGI_SPK_ON)
|
||||
spk = 1;
|
||||
|
||||
/* set the enpoints to their new connetion states */
|
||||
snd_soc_dapm_set_endpoint(codec, "Ext Spk", spk);
|
||||
snd_soc_dapm_set_endpoint(codec, "Mic Jack", mic);
|
||||
snd_soc_dapm_set_endpoint(codec, "Line Jack", line);
|
||||
snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp);
|
||||
snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs);
|
||||
|
||||
/* signal a DAPM event */
|
||||
snd_soc_dapm_sync_endpoints(codec);
|
||||
}
|
||||
|
||||
static int corgi_startup(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct snd_soc_codec *codec = rtd->socdev->codec;
|
||||
|
||||
/* check the jack status at stream startup */
|
||||
corgi_ext_control(codec);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* we need to unmute the HP at shutdown as the mute burns power on corgi */
|
||||
static int corgi_shutdown(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct snd_soc_codec *codec = rtd->socdev->codec;
|
||||
|
||||
/* set = unmute headphone */
|
||||
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
|
||||
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct snd_soc_ops corgi_ops = {
|
||||
.startup = corgi_startup,
|
||||
.shutdown = corgi_shutdown,
|
||||
};
|
||||
|
||||
static int corgi_get_jack(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
ucontrol->value.integer.value[0] = corgi_jack_func;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int corgi_set_jack(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
||||
|
||||
if (corgi_jack_func == ucontrol->value.integer.value[0])
|
||||
return 0;
|
||||
|
||||
corgi_jack_func = ucontrol->value.integer.value[0];
|
||||
corgi_ext_control(codec);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int corgi_get_spk(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
ucontrol->value.integer.value[0] = corgi_spk_func;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int corgi_set_spk(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
||||
|
||||
if (corgi_spk_func == ucontrol->value.integer.value[0])
|
||||
return 0;
|
||||
|
||||
corgi_spk_func = ucontrol->value.integer.value[0];
|
||||
corgi_ext_control(codec);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int corgi_amp_event(struct snd_soc_dapm_widget *w, int event)
|
||||
{
|
||||
if (SND_SOC_DAPM_EVENT_ON(event))
|
||||
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
|
||||
else
|
||||
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int corgi_mic_event(struct snd_soc_dapm_widget *w, int event)
|
||||
{
|
||||
if (SND_SOC_DAPM_EVENT_ON(event))
|
||||
set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
|
||||
else
|
||||
reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* corgi machine dapm widgets */
|
||||
static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
|
||||
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
||||
SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
|
||||
SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
|
||||
SND_SOC_DAPM_LINE("Line Jack", NULL),
|
||||
SND_SOC_DAPM_HP("Headset Jack", NULL),
|
||||
};
|
||||
|
||||
/* Corgi machine audio map (connections to the codec pins) */
|
||||
static const char *audio_map[][3] = {
|
||||
|
||||
/* headset Jack - in = micin, out = LHPOUT*/
|
||||
{"Headset Jack", NULL, "LHPOUT"},
|
||||
|
||||
/* headphone connected to LHPOUT1, RHPOUT1 */
|
||||
{"Headphone Jack", NULL, "LHPOUT"},
|
||||
{"Headphone Jack", NULL, "RHPOUT"},
|
||||
|
||||
/* speaker connected to LOUT, ROUT */
|
||||
{"Ext Spk", NULL, "ROUT"},
|
||||
{"Ext Spk", NULL, "LOUT"},
|
||||
|
||||
/* mic is connected to MICIN (via right channel of headphone jack) */
|
||||
{"MICIN", NULL, "Mic Jack"},
|
||||
|
||||
/* Same as the above but no mic bias for line signals */
|
||||
{"MICIN", NULL, "Line Jack"},
|
||||
|
||||
{NULL, NULL, NULL},
|
||||
};
|
||||
|
||||
static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
|
||||
"Off"};
|
||||
static const char *spk_function[] = {"On", "Off"};
|
||||
static const struct soc_enum corgi_enum[] = {
|
||||
SOC_ENUM_SINGLE_EXT(5, jack_function),
|
||||
SOC_ENUM_SINGLE_EXT(2, spk_function),
|
||||
};
|
||||
|
||||
static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
|
||||
SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
|
||||
corgi_set_jack),
|
||||
SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
|
||||
corgi_set_spk),
|
||||
};
|
||||
|
||||
/*
|
||||
* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
|
||||
*/
|
||||
static int corgi_wm8731_init(struct snd_soc_codec *codec)
|
||||
{
|
||||
int i, err;
|
||||
|
||||
snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
|
||||
|
||||
/* Add corgi specific controls */
|
||||
for (i = 0; i < ARRAY_SIZE(wm8731_corgi_controls); i++) {
|
||||
err = snd_ctl_add(codec->card,
|
||||
snd_soc_cnew(&wm8731_corgi_controls[i],codec, NULL));
|
||||
if (err < 0)
|
||||
return err;
|
||||
}
|
||||
|
||||
/* Add corgi specific widgets */
|
||||
for(i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
|
||||
snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
|
||||
}
|
||||
|
||||
/* Set up corgi specific audio path audio_map */
|
||||
for(i = 0; audio_map[i][0] != NULL; i++) {
|
||||
snd_soc_dapm_connect_input(codec, audio_map[i][0],
|
||||
audio_map[i][1], audio_map[i][2]);
|
||||
}
|
||||
|
||||
snd_soc_dapm_sync_endpoints(codec);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static unsigned int corgi_config_sysclk(struct snd_soc_pcm_runtime *rtd,
|
||||
struct snd_soc_clock_info *info)
|
||||
{
|
||||
if (info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
|
||||
/* pxa2xx is i2s master */
|
||||
switch (info->rate) {
|
||||
case 44100:
|
||||
case 88200:
|
||||
/* configure codec digital filters for 44.1, 88.2 */
|
||||
rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
|
||||
11289600);
|
||||
break;
|
||||
default:
|
||||
/* configure codec digital filters for all other rates */
|
||||
rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
|
||||
CORGI_AUDIO_CLOCK);
|
||||
break;
|
||||
}
|
||||
/* config pxa i2s as master */
|
||||
return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
|
||||
CORGI_AUDIO_CLOCK);
|
||||
} else {
|
||||
/* codec is i2s master -
|
||||
* only configure codec DAI clock and filters */
|
||||
return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
|
||||
CORGI_AUDIO_CLOCK);
|
||||
}
|
||||
}
|
||||
|
||||
/* corgi digital audio interface glue - connects codec <--> CPU */
|
||||
static struct snd_soc_dai_link corgi_dai = {
|
||||
.name = "WM8731",
|
||||
.stream_name = "WM8731",
|
||||
.cpu_dai = &pxa_i2s_dai,
|
||||
.codec_dai = &wm8731_dai,
|
||||
.init = corgi_wm8731_init,
|
||||
.config_sysclk = corgi_config_sysclk,
|
||||
};
|
||||
|
||||
/* corgi audio machine driver */
|
||||
static struct snd_soc_machine snd_soc_machine_corgi = {
|
||||
.name = "Corgi",
|
||||
.dai_link = &corgi_dai,
|
||||
.num_links = 1,
|
||||
.ops = &corgi_ops,
|
||||
};
|
||||
|
||||
/* corgi audio private data */
|
||||
static struct wm8731_setup_data corgi_wm8731_setup = {
|
||||
.i2c_address = 0x1b,
|
||||
};
|
||||
|
||||
/* corgi audio subsystem */
|
||||
static struct snd_soc_device corgi_snd_devdata = {
|
||||
.machine = &snd_soc_machine_corgi,
|
||||
.platform = &pxa2xx_soc_platform,
|
||||
.codec_dev = &soc_codec_dev_wm8731,
|
||||
.codec_data = &corgi_wm8731_setup,
|
||||
};
|
||||
|
||||
static struct platform_device *corgi_snd_device;
|
||||
|
||||
static int __init corgi_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (!(machine_is_corgi() || machine_is_shepherd() || machine_is_husky()))
|
||||
return -ENODEV;
|
||||
|
||||
corgi_snd_device = platform_device_alloc("soc-audio", -1);
|
||||
if (!corgi_snd_device)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(corgi_snd_device, &corgi_snd_devdata);
|
||||
corgi_snd_devdata.dev = &corgi_snd_device->dev;
|
||||
ret = platform_device_add(corgi_snd_device);
|
||||
|
||||
if (ret)
|
||||
platform_device_put(corgi_snd_device);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void __exit corgi_exit(void)
|
||||
{
|
||||
platform_device_unregister(corgi_snd_device);
|
||||
}
|
||||
|
||||
module_init(corgi_init);
|
||||
module_exit(corgi_exit);
|
||||
|
||||
/* Module information */
|
||||
MODULE_AUTHOR("Richard Purdie");
|
||||
MODULE_DESCRIPTION("ALSA SoC Corgi");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue
Block a user