mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 19:00:25 +00:00
[ALSA] ASoC pxa2xx Spitz machine support
This patch adds Alsa audio support to the Sharp Zaurus SL-C1000/SL-C3x00 (Akita/Spitz) machines. From: Liam Girdwood <liam.girdwood@wolfsonmicro.com> 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:
parent
a1eb4b3caf
commit
7fb290d03a
1 changed files with 374 additions and 0 deletions
374
sound/soc/pxa/spitz.c
Normal file
374
sound/soc/pxa/spitz.c
Normal file
|
@ -0,0 +1,374 @@
|
|||
/*
|
||||
* spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
|
||||
*
|
||||
* 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/akita.h>
|
||||
#include <asm/arch/spitz.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include "../codecs/wm8750.h"
|
||||
#include "pxa2xx-pcm.h"
|
||||
|
||||
#define SPITZ_HP 0
|
||||
#define SPITZ_MIC 1
|
||||
#define SPITZ_LINE 2
|
||||
#define SPITZ_HEADSET 3
|
||||
#define SPITZ_HP_OFF 4
|
||||
#define SPITZ_SPK_ON 0
|
||||
#define SPITZ_SPK_OFF 1
|
||||
|
||||
/* audio clock in Hz - rounded from 12.235MHz */
|
||||
#define SPITZ_AUDIO_CLOCK 12288000
|
||||
|
||||
static int spitz_jack_func;
|
||||
static int spitz_spk_func;
|
||||
|
||||
static void spitz_ext_control(struct snd_soc_codec *codec)
|
||||
{
|
||||
if (spitz_spk_func == SPITZ_SPK_ON)
|
||||
snd_soc_dapm_set_endpoint(codec, "Ext Spk", 1);
|
||||
else
|
||||
snd_soc_dapm_set_endpoint(codec, "Ext Spk", 0);
|
||||
|
||||
/* set up jack connection */
|
||||
switch (spitz_jack_func) {
|
||||
case SPITZ_HP:
|
||||
/* enable and unmute hp jack, disable mic bias */
|
||||
snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
|
||||
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
|
||||
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
|
||||
break;
|
||||
case SPITZ_MIC:
|
||||
/* enable mic jack and bias, mute hp */
|
||||
snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
|
||||
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
|
||||
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
|
||||
break;
|
||||
case SPITZ_LINE:
|
||||
/* enable line jack, disable mic bias and mute hp */
|
||||
snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Line Jack", 1);
|
||||
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
|
||||
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
|
||||
break;
|
||||
case SPITZ_HEADSET:
|
||||
/* enable and unmute headset jack enable mic bias, mute L hp */
|
||||
snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
|
||||
snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Headset Jack", 1);
|
||||
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
|
||||
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
|
||||
break;
|
||||
case SPITZ_HP_OFF:
|
||||
|
||||
/* jack removed, everything off */
|
||||
snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
|
||||
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
|
||||
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
|
||||
break;
|
||||
}
|
||||
snd_soc_dapm_sync_endpoints(codec);
|
||||
}
|
||||
|
||||
static int spitz_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 */
|
||||
spitz_ext_control(codec);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct snd_soc_ops spitz_ops = {
|
||||
.startup = spitz_startup,
|
||||
};
|
||||
|
||||
static int spitz_get_jack(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
ucontrol->value.integer.value[0] = spitz_jack_func;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int spitz_set_jack(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
||||
|
||||
if (spitz_jack_func == ucontrol->value.integer.value[0])
|
||||
return 0;
|
||||
|
||||
spitz_jack_func = ucontrol->value.integer.value[0];
|
||||
spitz_ext_control(codec);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int spitz_get_spk(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
ucontrol->value.integer.value[0] = spitz_spk_func;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int spitz_set_spk(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_value *ucontrol)
|
||||
{
|
||||
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
||||
|
||||
if (spitz_spk_func == ucontrol->value.integer.value[0])
|
||||
return 0;
|
||||
|
||||
spitz_spk_func = ucontrol->value.integer.value[0];
|
||||
spitz_ext_control(codec);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int spitz_mic_bias(struct snd_soc_dapm_widget *w, int event)
|
||||
{
|
||||
if (machine_is_borzoi() || machine_is_spitz()) {
|
||||
if (SND_SOC_DAPM_EVENT_ON(event))
|
||||
set_scoop_gpio(&spitzscoop2_device.dev,
|
||||
SPITZ_SCP2_MIC_BIAS);
|
||||
else
|
||||
reset_scoop_gpio(&spitzscoop2_device.dev,
|
||||
SPITZ_SCP2_MIC_BIAS);
|
||||
}
|
||||
|
||||
if (machine_is_akita()) {
|
||||
if (SND_SOC_DAPM_EVENT_ON(event))
|
||||
akita_set_ioexp(&akitaioexp_device.dev,
|
||||
AKITA_IOEXP_MIC_BIAS);
|
||||
else
|
||||
akita_reset_ioexp(&akitaioexp_device.dev,
|
||||
AKITA_IOEXP_MIC_BIAS);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* spitz machine dapm widgets */
|
||||
static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
|
||||
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
||||
SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
|
||||
SND_SOC_DAPM_SPK("Ext Spk", NULL),
|
||||
SND_SOC_DAPM_LINE("Line Jack", NULL),
|
||||
|
||||
/* headset is a mic and mono headphone */
|
||||
SND_SOC_DAPM_HP("Headset Jack", NULL),
|
||||
};
|
||||
|
||||
/* Spitz machine audio_map */
|
||||
static const char *audio_map[][3] = {
|
||||
|
||||
/* headphone connected to LOUT1, ROUT1 */
|
||||
{"Headphone Jack", NULL, "LOUT1"},
|
||||
{"Headphone Jack", NULL, "ROUT1"},
|
||||
|
||||
/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
|
||||
{"Headset Jack", NULL, "ROUT1"},
|
||||
|
||||
/* ext speaker connected to LOUT2, ROUT2 */
|
||||
{"Ext Spk", NULL , "ROUT2"},
|
||||
{"Ext Spk", NULL , "LOUT2"},
|
||||
|
||||
/* mic is connected to input 1 - with bias */
|
||||
{"LINPUT1", NULL, "Mic Bias"},
|
||||
{"Mic Bias", NULL, "Mic Jack"},
|
||||
|
||||
/* line is connected to input 1 - no bias */
|
||||
{"LINPUT1", 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 spitz_enum[] = {
|
||||
SOC_ENUM_SINGLE_EXT(5, jack_function),
|
||||
SOC_ENUM_SINGLE_EXT(2, spk_function),
|
||||
};
|
||||
|
||||
static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
|
||||
SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
|
||||
spitz_set_jack),
|
||||
SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
|
||||
spitz_set_spk),
|
||||
};
|
||||
|
||||
/*
|
||||
* Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
|
||||
*/
|
||||
static int spitz_wm8750_init(struct snd_soc_codec *codec)
|
||||
{
|
||||
int i, err;
|
||||
|
||||
/* NC codec pins */
|
||||
snd_soc_dapm_set_endpoint(codec, "RINPUT1", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "LINPUT2", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "RINPUT2", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "LINPUT3", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "RINPUT3", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
|
||||
snd_soc_dapm_set_endpoint(codec, "MONO", 0);
|
||||
|
||||
/* Add spitz specific controls */
|
||||
for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) {
|
||||
err = snd_ctl_add(codec->card,
|
||||
snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL));
|
||||
if (err < 0)
|
||||
return err;
|
||||
}
|
||||
|
||||
/* Add spitz specific widgets */
|
||||
for (i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++) {
|
||||
snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]);
|
||||
}
|
||||
|
||||
/* Set up spitz 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 spitz_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 11025:
|
||||
case 22050:
|
||||
case 44100:
|
||||
case 88200:
|
||||
/* configure codec digital filters
|
||||
* for 11.025, 22.05, 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,
|
||||
SPITZ_AUDIO_CLOCK);
|
||||
break;
|
||||
}
|
||||
/* configure pxa2xx i2s interface clocks as master */
|
||||
return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
|
||||
SPITZ_AUDIO_CLOCK);
|
||||
} else {
|
||||
/* codec is i2s master - only configure codec DAI clock */
|
||||
return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
|
||||
SPITZ_AUDIO_CLOCK);
|
||||
}
|
||||
}
|
||||
|
||||
/* spitz digital audio interface glue - connects codec <--> CPU */
|
||||
static struct snd_soc_dai_link spitz_dai = {
|
||||
.name = "wm8750",
|
||||
.stream_name = "WM8750",
|
||||
.cpu_dai = &pxa_i2s_dai,
|
||||
.codec_dai = &wm8750_dai,
|
||||
.init = spitz_wm8750_init,
|
||||
.config_sysclk = spitz_config_sysclk,
|
||||
};
|
||||
|
||||
/* spitz audio machine driver */
|
||||
static struct snd_soc_machine snd_soc_machine_spitz = {
|
||||
.name = "Spitz",
|
||||
.dai_link = &spitz_dai,
|
||||
.num_links = 1,
|
||||
.ops = &spitz_ops,
|
||||
};
|
||||
|
||||
/* spitz audio private data */
|
||||
static struct wm8750_setup_data spitz_wm8750_setup = {
|
||||
.i2c_address = 0x1b,
|
||||
};
|
||||
|
||||
/* spitz audio subsystem */
|
||||
static struct snd_soc_device spitz_snd_devdata = {
|
||||
.machine = &snd_soc_machine_spitz,
|
||||
.platform = &pxa2xx_soc_platform,
|
||||
.codec_dev = &soc_codec_dev_wm8750,
|
||||
.codec_data = &spitz_wm8750_setup,
|
||||
};
|
||||
|
||||
static struct platform_device *spitz_snd_device;
|
||||
|
||||
static int __init spitz_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita()))
|
||||
return -ENODEV;
|
||||
|
||||
spitz_snd_device = platform_device_alloc("soc-audio", -1);
|
||||
if (!spitz_snd_device)
|
||||
return -ENOMEM;
|
||||
|
||||
platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
|
||||
spitz_snd_devdata.dev = &spitz_snd_device->dev;
|
||||
ret = platform_device_add(spitz_snd_device);
|
||||
|
||||
if (ret)
|
||||
platform_device_put(spitz_snd_device);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void __exit spitz_exit(void)
|
||||
{
|
||||
platform_device_unregister(spitz_snd_device);
|
||||
}
|
||||
|
||||
module_init(spitz_init);
|
||||
module_exit(spitz_exit);
|
||||
|
||||
MODULE_AUTHOR("Richard Purdie");
|
||||
MODULE_DESCRIPTION("ALSA SoC Spitz");
|
||||
MODULE_LICENSE("GPL");
|
Loading…
Reference in a new issue