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Merge remote-tracking branches 'asoc/topic/ac97', 'asoc/topic/ad193x', 'asoc/topic/adau1373' and 'asoc/topic/adau17x1' into asoc-next

This commit is contained in:
Mark Brown 2014-12-08 13:11:45 +00:00
parent 8f38411a7e e874bf5f76 1b86a3fa4e de172051af d69db7f7cd
commit 0a7e4ca1aa
37 changed files with 984 additions and 748 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/base/regmap/Kconfig
View File

@ -3,12 +3,15 @@
# subsystems should select the appropriate symbols.
config REGMAP
default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_MMIO || REGMAP_IRQ)
default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ)
select LZO_COMPRESS
select LZO_DECOMPRESS
select IRQ_DOMAIN if REGMAP_IRQ
bool
config REGMAP_AC97
tristate
config REGMAP_I2C
tristate
depends on I2C

1
drivers/base/regmap/Makefile
View File

@ -1,6 +1,7 @@
obj-$(CONFIG_REGMAP) += regmap.o regcache.o
obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-lzo.o regcache-flat.o
obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o
obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
obj-$(CONFIG_REGMAP_SPI) += regmap-spi.o
obj-$(CONFIG_REGMAP_SPMI) += regmap-spmi.o

114
drivers/base/regmap/regmap-ac97.c Normal file
View File

@ -0,0 +1,114 @@
/*
* Register map access API - AC'97 support
*
* Copyright 2013 Linaro Ltd. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/ac97_codec.h>
bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case AC97_RESET:
case AC97_POWERDOWN:
case AC97_INT_PAGING:
case AC97_EXTENDED_ID:
case AC97_EXTENDED_STATUS:
case AC97_EXTENDED_MID:
case AC97_EXTENDED_MSTATUS:
case AC97_GPIO_STATUS:
case AC97_MISC_AFE:
case AC97_VENDOR_ID1:
case AC97_VENDOR_ID2:
case AC97_CODEC_CLASS_REV:
case AC97_PCI_SVID:
case AC97_PCI_SID:
case AC97_FUNC_SELECT:
case AC97_FUNC_INFO:
case AC97_SENSE_INFO:
return true;
default:
return false;
}
}
EXPORT_SYMBOL_GPL(regmap_ac97_default_volatile);
static int regmap_ac97_reg_read(void *context, unsigned int reg,
unsigned int *val)
{
struct snd_ac97 *ac97 = context;
*val = ac97->bus->ops->read(ac97, reg);
return 0;
}
static int regmap_ac97_reg_write(void *context, unsigned int reg,
unsigned int val)
{
struct snd_ac97 *ac97 = context;
ac97->bus->ops->write(ac97, reg, val);
return 0;
}
static const struct regmap_bus ac97_regmap_bus = {
.reg_write = regmap_ac97_reg_write,
.reg_read = regmap_ac97_reg_read,
};
/**
* regmap_init_ac97(): Initialise AC'97 register map
*
* @ac97: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
*/
struct regmap *regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config)
{
return regmap_init(&ac97->dev, &ac97_regmap_bus, ac97, config);
}
EXPORT_SYMBOL_GPL(regmap_init_ac97);
/**
* devm_regmap_init_ac97(): Initialise AC'97 register map
*
* @ac97: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
*/
struct regmap *devm_regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config)
{
return devm_regmap_init(&ac97->dev, &ac97_regmap_bus, ac97, config);
}
EXPORT_SYMBOL_GPL(devm_regmap_init_ac97);
MODULE_LICENSE("GPL v2");

7
include/linux/regmap.h
View File

@ -27,6 +27,7 @@ struct spmi_device;
struct regmap;
struct regmap_range_cfg;
struct regmap_field;
struct snd_ac97;
/* An enum of all the supported cache types */
enum regcache_type {
@ -340,6 +341,8 @@ struct regmap *regmap_init_spmi_ext(struct spmi_device *dev,
struct regmap *regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config);
struct regmap *regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config);
struct regmap *devm_regmap_init(struct device *dev,
const struct regmap_bus *bus,
@ -356,6 +359,10 @@ struct regmap *devm_regmap_init_spmi_ext(struct spmi_device *dev,
struct regmap *devm_regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config);
struct regmap *devm_regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config);
bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
/**
* regmap_init_mmio(): Initialise register map

4
include/sound/soc-dai.h
View File

@ -206,7 +206,6 @@ struct snd_soc_dai_driver {
/* DAI description */
const char *name;
unsigned int id;
int ac97_control;
unsigned int base;
/* DAI driver callbacks */
@ -216,6 +215,8 @@ struct snd_soc_dai_driver {
int (*resume)(struct snd_soc_dai *dai);
/* compress dai */
bool compress_dai;
/* DAI is also used for the control bus */
bool bus_control;
/* ops */
const struct snd_soc_dai_ops *ops;
@ -241,7 +242,6 @@ struct snd_soc_dai {
const char *name;
int id;
struct device *dev;
void *ac97_pdata; /* platform_data for the ac97 codec */
/* driver ops */
struct snd_soc_dai_driver *driver;

64
include/sound/soc.h
View File

@ -369,8 +369,6 @@ struct snd_soc_jack_gpio;
typedef int (*hw_write_t)(void *,const char* ,int);
extern struct snd_ac97_bus_ops *soc_ac97_ops;
enum snd_soc_pcm_subclass {
SND_SOC_PCM_CLASS_PCM = 0,
SND_SOC_PCM_CLASS_BE = 1,
@ -499,14 +497,28 @@ int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
unsigned int mask, unsigned int value);
int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
struct snd_ac97_bus_ops *ops, int num);
void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
#ifdef CONFIG_SND_SOC_AC97_BUS
struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec);
void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
struct platform_device *pdev);
extern struct snd_ac97_bus_ops *soc_ac97_ops;
#else
static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
struct platform_device *pdev)
{
return 0;
}
static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
{
return 0;
}
#endif
/*
*Controls
*/
@ -778,11 +790,8 @@ struct snd_soc_codec {
struct list_head card_list;
/* runtime */
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
unsigned int cache_bypass:1; /* Suppress access to the cache */
unsigned int suspended:1; /* Codec is in suspend PM state */
unsigned int ac97_registered:1; /* Codec has been AC97 registered */
unsigned int ac97_created:1; /* Codec has been created by SoC */
unsigned int cache_init:1; /* codec cache has been initialized */
/* codec IO */
@ -1275,6 +1284,45 @@ void snd_soc_component_async_complete(struct snd_soc_component *component);
int snd_soc_component_test_bits(struct snd_soc_component *component,
unsigned int reg, unsigned int mask, unsigned int value);
#ifdef CONFIG_REGMAP
void snd_soc_component_init_regmap(struct snd_soc_component *component,
struct regmap *regmap);
void snd_soc_component_exit_regmap(struct snd_soc_component *component);
/**
* snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
* @codec: The CODEC for which to initialize the regmap instance
* @regmap: The regmap instance that should be used by the CODEC
*
* This function allows deferred assignment of the regmap instance that is
* associated with the CODEC. Only use this if the regmap instance is not yet
* ready when the CODEC is registered. The function must also be called before
* the first IO attempt of the CODEC.
*/
static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
struct regmap *regmap)
{
snd_soc_component_init_regmap(&codec->component, regmap);
}
/**
* snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
* @codec: The CODEC for which to de-initialize the regmap instance
*
* Calls regmap_exit() on the regmap instance associated to the CODEC and
* removes the regmap instance from the CODEC.
*
* This function should only be used if snd_soc_codec_init_regmap() was used to
* initialize the regmap instance.
*/
static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
{
snd_soc_component_exit_regmap(&codec->component);
}
#endif
/* device driver data */
static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,

4
sound/soc/Makefile
View File

@ -5,6 +5,10 @@ ifneq ($(CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM),)
snd-soc-core-objs += soc-generic-dmaengine-pcm.o
endif
ifneq ($(CONFIG_SND_SOC_AC97_BUS),)
snd-soc-core-objs += soc-ac97.o
endif
obj-$(CONFIG_SND_SOC) += snd-soc-core.o
obj-$(CONFIG_SND_SOC) += codecs/
obj-$(CONFIG_SND_SOC) += generic/

2
sound/soc/au1x/ac97c.c
View File

@ -205,7 +205,7 @@ static int au1xac97c_dai_probe(struct snd_soc_dai *dai)
static struct snd_soc_dai_driver au1xac97c_dai_driver = {
.name = "alchemy-ac97c",
.ac97_control = 1,
.bus_control = true,
.probe = au1xac97c_dai_probe,
.playback = {
.rates = AC97_RATES,

2
sound/soc/au1x/psc-ac97.c
View File

@ -343,7 +343,7 @@ static const struct snd_soc_dai_ops au1xpsc_ac97_dai_ops = {
};
static const struct snd_soc_dai_driver au1xpsc_ac97_dai_template = {
.ac97_control = 1,
.bus_control = true,
.probe = au1xpsc_ac97_probe,
.playback = {
.rates = AC97_RATES,

2
sound/soc/blackfin/bf5xx-ac97.c
View File

@ -260,7 +260,7 @@ static int bf5xx_ac97_resume(struct snd_soc_dai *dai)
#endif
static struct snd_soc_dai_driver bfin_ac97_dai = {
.ac97_control = 1,
.bus_control = true,
.suspend = bf5xx_ac97_suspend,
.resume = bf5xx_ac97_resume,
.playback = {

2
sound/soc/blackfin/bf5xx-ad1980.c
View File

@ -46,8 +46,6 @@
#include <linux/gpio.h>
#include <asm/portmux.h>
#include "../codecs/ad1980.h"
#include "bf5xx-ac97.h"
static struct snd_soc_card bf5xx_board;

2
sound/soc/cirrus/ep93xx-ac97.c
View File

@ -338,7 +338,7 @@ static const struct snd_soc_dai_ops ep93xx_ac97_dai_ops = {
static struct snd_soc_dai_driver ep93xx_ac97_dai = {
.name = "ep93xx-ac97",
.id = 0,
.ac97_control = 1,
.bus_control = true,
.probe = ep93xx_ac97_dai_probe,
.playback = {
.stream_name = "AC97 Playback",

1
sound/soc/codecs/Kconfig
View File

@ -223,6 +223,7 @@ config SND_SOC_AD193X_I2C
select SND_SOC_AD193X
config SND_SOC_AD1980
select REGMAP_AC97
tristate
config SND_SOC_AD73311

18
sound/soc/codecs/ac97.c
View File

@ -37,10 +37,11 @@ static int ac97_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE;
return snd_ac97_set_rate(codec->ac97, reg, substream->runtime->rate);
return snd_ac97_set_rate(ac97, reg, substream->runtime->rate);
}
#define STD_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
@ -53,7 +54,6 @@ static const struct snd_soc_dai_ops ac97_dai_ops = {
static struct snd_soc_dai_driver ac97_dai = {
.name = "ac97-hifi",
.ac97_control = 1,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 1,
@ -71,6 +71,7 @@ static struct snd_soc_dai_driver ac97_dai = {
static int ac97_soc_probe(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97;
struct snd_ac97_bus *ac97_bus;
struct snd_ac97_template ac97_template;
int ret;
@ -82,24 +83,31 @@ static int ac97_soc_probe(struct snd_soc_codec *codec)
return ret;
memset(&ac97_template, 0, sizeof(struct snd_ac97_template));
ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97);
ret = snd_ac97_mixer(ac97_bus, &ac97_template, &ac97);
if (ret < 0)
return ret;
snd_soc_codec_set_drvdata(codec, ac97);
return 0;
}
#ifdef CONFIG_PM
static int ac97_soc_suspend(struct snd_soc_codec *codec)
{
snd_ac97_suspend(codec->ac97);
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
snd_ac97_suspend(ac97);
return 0;
}
static int ac97_soc_resume(struct snd_soc_codec *codec)
{
snd_ac97_resume(codec->ac97);
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
snd_ac97_resume(ac97);
return 0;
}

14
sound/soc/codecs/ad193x.c
View File

@ -72,11 +72,13 @@ static const struct snd_kcontrol_new ad193x_snd_controls[] = {
};
static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DAC", "Playback", AD193X_DAC_CTRL0, 0, 1),
SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_PGA("DAC Output", AD193X_DAC_CTRL0, 0, 1, NULL, 0),
SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0),
SND_SOC_DAPM_VMID("VMID"),
SND_SOC_DAPM_OUTPUT("DAC1OUT"),
SND_SOC_DAPM_OUTPUT("DAC2OUT"),
SND_SOC_DAPM_OUTPUT("DAC3OUT"),
@ -87,13 +89,15 @@ static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
static const struct snd_soc_dapm_route audio_paths[] = {
{ "DAC", NULL, "SYSCLK" },
{ "DAC Output", NULL, "DAC" },
{ "DAC Output", NULL, "VMID" },
{ "ADC", NULL, "SYSCLK" },
{ "DAC", NULL, "ADC_PWR" },
{ "ADC", NULL, "ADC_PWR" },
{ "DAC1OUT", NULL, "DAC" },
{ "DAC2OUT", NULL, "DAC" },
{ "DAC3OUT", NULL, "DAC" },
{ "DAC4OUT", NULL, "DAC" },
{ "DAC1OUT", NULL, "DAC Output" },
{ "DAC2OUT", NULL, "DAC Output" },
{ "DAC3OUT", NULL, "DAC Output" },
{ "DAC4OUT", NULL, "DAC Output" },
{ "ADC", NULL, "ADC1IN" },
{ "ADC", NULL, "ADC2IN" },
{ "SYSCLK", NULL, "PLL_PWR" },

214
sound/soc/codecs/ad1980.c
View File

@ -24,34 +24,86 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include "ad1980.h"
static const struct reg_default ad1980_reg_defaults[] = {
{ 0x02, 0x8000 },
{ 0x04, 0x8000 },
{ 0x06, 0x8000 },
{ 0x0c, 0x8008 },
{ 0x0e, 0x8008 },
{ 0x10, 0x8808 },
{ 0x12, 0x8808 },
{ 0x16, 0x8808 },
{ 0x18, 0x8808 },
{ 0x1a, 0x0000 },
{ 0x1c, 0x8000 },
{ 0x20, 0x0000 },
{ 0x28, 0x03c7 },
{ 0x2c, 0xbb80 },
{ 0x2e, 0xbb80 },
{ 0x30, 0xbb80 },
{ 0x32, 0xbb80 },
{ 0x36, 0x8080 },
{ 0x38, 0x8080 },
{ 0x3a, 0x2000 },
{ 0x60, 0x0000 },
{ 0x62, 0x0000 },
{ 0x72, 0x0000 },
{ 0x74, 0x1001 },
{ 0x76, 0x0000 },
};
/*
* AD1980 register cache
*/
static const u16 ad1980_reg[] = {
0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6 */
0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e */
0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */
0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */
0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */
0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */
0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */
0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */
0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */
0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */
0x0000, 0x0000, 0x4144, 0x5370 /* 78 - 7e */
static bool ad1980_readable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case AC97_RESET ... AC97_MASTER_MONO:
case AC97_PHONE ... AC97_CD:
case AC97_AUX ... AC97_GENERAL_PURPOSE:
case AC97_POWERDOWN ... AC97_PCM_LR_ADC_RATE:
case AC97_SPDIF:
case AC97_CODEC_CLASS_REV:
case AC97_PCI_SVID:
case AC97_AD_CODEC_CFG:
case AC97_AD_JACK_SPDIF:
case AC97_AD_SERIAL_CFG:
case AC97_VENDOR_ID1:
case AC97_VENDOR_ID2:
return true;
default:
return false;
}
}
static bool ad1980_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case AC97_VENDOR_ID1:
case AC97_VENDOR_ID2:
return false;
default:
return ad1980_readable_reg(dev, reg);
}
}
static const struct regmap_config ad1980_regmap_config = {
.reg_bits = 16,
.reg_stride = 2,
.val_bits = 16,
.max_register = 0x7e,
.cache_type = REGCACHE_RBTREE,
.volatile_reg = regmap_ac97_default_volatile,
.readable_reg = ad1980_readable_reg,
.writeable_reg = ad1980_writeable_reg,
.reg_defaults = ad1980_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(ad1980_reg_defaults),
};
static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
@ -134,45 +186,8 @@ static const struct snd_soc_dapm_route ad1980_dapm_routes[] = {
{ "HP_OUT_R", NULL, "Playback" },
};
static unsigned int ac97_read(struct snd_soc_codec *codec,
unsigned int reg)
{
u16 *cache = codec->reg_cache;
switch (reg) {
case AC97_RESET:
case AC97_INT_PAGING:
case AC97_POWERDOWN:
case AC97_EXTENDED_STATUS:
case AC97_VENDOR_ID1:
case AC97_VENDOR_ID2:
return soc_ac97_ops->read(codec->ac97, reg);
default:
reg = reg >> 1;
if (reg >= ARRAY_SIZE(ad1980_reg))
return -EINVAL;
return cache[reg];
}
}
static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int val)
{
u16 *cache = codec->reg_cache;
soc_ac97_ops->write(codec->ac97, reg, val);
reg = reg >> 1;
if (reg < ARRAY_SIZE(ad1980_reg))
cache[reg] = val;
return 0;
}
static struct snd_soc_dai_driver ad1980_dai = {
.name = "ad1980-hifi",
.ac97_control = 1,
.playback = {
.stream_name = "Playback",
.channels_min = 2,
@ -189,108 +204,115 @@ static struct snd_soc_dai_driver ad1980_dai = {
static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
unsigned int retry_cnt = 0;
do {
if (try_warm && soc_ac97_ops->warm_reset) {
soc_ac97_ops->warm_reset(codec->ac97);
if (ac97_read(codec, AC97_RESET) == 0x0090)
soc_ac97_ops->warm_reset(ac97);
if (snd_soc_read(codec, AC97_RESET) == 0x0090)
return 1;
}
soc_ac97_ops->reset(codec->ac97);
soc_ac97_ops->reset(ac97);
/*
* Set bit 16slot in register 74h, then every slot will has only
* 16 bits. This command is sent out in 20bit mode, in which
* case the first nibble of data is eaten by the addr. (Tag is
* always 16 bit)
*/
ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
snd_soc_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
if (ac97_read(codec, AC97_RESET) == 0x0090)
if (snd_soc_read(codec, AC97_RESET) == 0x0090)
return 0;
} while (retry_cnt++ < 10);
printk(KERN_ERR "AD1980 AC97 reset failed\n");
dev_err(codec->dev, "Failed to reset: AC97 link error\n");
return -EIO;
}
static int ad1980_soc_probe(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97;
struct regmap *regmap;
int ret;
u16 vendor_id2;
u16 ext_status;
printk(KERN_INFO "AD1980 SoC Audio Codec\n");
ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
if (ret < 0) {
printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
ac97 = snd_soc_new_ac97_codec(codec);
if (IS_ERR(ac97)) {
ret = PTR_ERR(ac97);
dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
return ret;
}
ret = ad1980_reset(codec, 0);
if (ret < 0) {
printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n");
goto reset_err;
regmap = regmap_init_ac97(ac97, &ad1980_regmap_config);
if (IS_ERR(regmap)) {
ret = PTR_ERR(regmap);
goto err_free_ac97;
}
snd_soc_codec_init_regmap(codec, regmap);
snd_soc_codec_set_drvdata(codec, ac97);
ret = ad1980_reset(codec, 0);
if (ret < 0)
goto reset_err;
/* Read out vendor ID to make sure it is ad1980 */
if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) {
if (snd_soc_read(codec, AC97_VENDOR_ID1) != 0x4144) {
ret = -ENODEV;
goto reset_err;
}
vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);
vendor_id2 = snd_soc_read(codec, AC97_VENDOR_ID2);
if (vendor_id2 != 0x5370) {
if (vendor_id2 != 0x5374) {
ret = -ENODEV;
goto reset_err;
} else {
printk(KERN_WARNING "ad1980: "
"Found AD1981 - only 2/2 IN/OUT Channels "
"supported\n");
dev_warn(codec->dev,
"Found AD1981 - only 2/2 IN/OUT Channels supported\n");
}
}
/* unmute captures and playbacks volume */
ac97_write(codec, AC97_MASTER, 0x0000);
ac97_write(codec, AC97_PCM, 0x0000);
ac97_write(codec, AC97_REC_GAIN, 0x0000);
ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000);
ac97_write(codec, AC97_SURROUND_MASTER, 0x0000);
snd_soc_write(codec, AC97_MASTER, 0x0000);
snd_soc_write(codec, AC97_PCM, 0x0000);
snd_soc_write(codec, AC97_REC_GAIN, 0x0000);
snd_soc_write(codec, AC97_CENTER_LFE_MASTER, 0x0000);
snd_soc_write(codec, AC97_SURROUND_MASTER, 0x0000);
/*power on LFE/CENTER/Surround DACs*/
ext_status = ac97_read(codec, AC97_EXTENDED_STATUS);
ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800);
snd_soc_add_codec_controls(codec, ad1980_snd_ac97_controls,
ARRAY_SIZE(ad1980_snd_ac97_controls));
ext_status = snd_soc_read(codec, AC97_EXTENDED_STATUS);
snd_soc_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800);
return 0;
reset_err:
snd_soc_free_ac97_codec(codec);
snd_soc_codec_exit_regmap(codec);
err_free_ac97:
snd_soc_free_ac97_codec(ac97);
return ret;
}
static int ad1980_soc_remove(struct snd_soc_codec *codec)
{
snd_soc_free_ac97_codec(codec);
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
snd_soc_codec_exit_regmap(codec);
snd_soc_free_ac97_codec(ac97);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_ad1980 = {
.probe = ad1980_soc_probe,
.remove = ad1980_soc_remove,
.reg_cache_size = ARRAY_SIZE(ad1980_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = ad1980_reg,
.reg_cache_step = 2,
.write = ac97_write,
.read = ac97_read,
.controls = ad1980_snd_ac97_controls,
.num_controls = ARRAY_SIZE(ad1980_snd_ac97_controls),
.dapm_widgets = ad1980_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets),
.dapm_routes = ad1980_dapm_routes,

26
sound/soc/codecs/ad1980.h
View File

@ -1,26 +0,0 @@
/*
* ad1980.h -- ad1980 Soc Audio driver
*
* WARNING:
*
* Because Analog Devices Inc. discontinued the ad1980 sound chip since
* Sep. 2009, this ad1980 driver is not maintained, tested and supported
* by ADI now.
*/
#ifndef _AD1980_H
#define _AD1980_H
/* Bit definition of Power-Down Control/Status Register */
#define ADC 0x0001
#define DAC 0x0002
#define ANL 0x0004
#define REF 0x0008
#define PR0 0x0100
#define PR1 0x0200
#define PR2 0x0400
#define PR3 0x0800
#define PR4 0x1000
#define PR5 0x2000
#define PR6 0x4000
#endif

6
sound/soc/codecs/adau1373.c
View File

@ -551,7 +551,7 @@ static const struct snd_kcontrol_new adau1373_drc_controls[] = {
static int adau1373_pll_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct adau1373 *adau1373 = snd_soc_codec_get_drvdata(codec);
unsigned int pll_id = w->name[3] - '1';
unsigned int val;
@ -823,7 +823,7 @@ static const struct snd_soc_dapm_widget adau1373_dapm_widgets[] = {
static int adau1373_check_aif_clk(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_codec *codec = source->codec;
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
struct adau1373 *adau1373 = snd_soc_codec_get_drvdata(codec);
unsigned int dai;
const char *clk;
@ -844,7 +844,7 @@ static int adau1373_check_aif_clk(struct snd_soc_dapm_widget *source,
static int adau1373_check_src(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_codec *codec = source->codec;
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
struct adau1373 *adau1373 = snd_soc_codec_get_drvdata(codec);
unsigned int dai;

3
sound/soc/codecs/adau1761.c
View File

@ -255,7 +255,8 @@ static const struct snd_kcontrol_new adau1761_input_mux_control =
static int adau1761_dejitter_fixup(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct adau *adau = snd_soc_codec_get_drvdata(w->codec);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct adau *adau = snd_soc_codec_get_drvdata(codec);
/* After any power changes have been made the dejitter circuit
* has to be reinitialized. */

2
sound/soc/codecs/adau1781.c
View File

@ -174,7 +174,7 @@ static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct adau *adau = snd_soc_codec_get_drvdata(codec);
/* After any power changes have been made the dejitter circuit

3
sound/soc/codecs/adau17x1.c
View File

@ -61,7 +61,8 @@ static const struct snd_kcontrol_new adau17x1_controls[] = {
static int adau17x1_pll_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct adau *adau = snd_soc_codec_get_drvdata(w->codec);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct adau *adau = snd_soc_codec_get_drvdata(codec);
int ret;
if (SND_SOC_DAPM_EVENT_ON(event)) {

40
sound/soc/codecs/stac9766.c
View File

@ -139,18 +139,19 @@ static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = {
static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int val)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
if (reg > AC97_STAC_PAGE0) {
stac9766_ac97_write(codec, AC97_INT_PAGING, 0);
soc_ac97_ops->write(codec->ac97, reg, val);
soc_ac97_ops->write(ac97, reg, val);
stac9766_ac97_write(codec, AC97_INT_PAGING, 1);
return 0;
}
if (reg / 2 >= ARRAY_SIZE(stac9766_reg))
return -EIO;
soc_ac97_ops->write(codec->ac97, reg, val);
soc_ac97_ops->write(ac97, reg, val);
cache[reg / 2] = val;
return 0;
}
@ -158,11 +159,12 @@ static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg,
static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
u16 val = 0, *cache = codec->reg_cache;
if (reg > AC97_STAC_PAGE0) {
stac9766_ac97_write(codec, AC97_INT_PAGING, 0);
val = soc_ac97_ops->read(codec->ac97, reg - AC97_STAC_PAGE0);
val = soc_ac97_ops->read(ac97, reg - AC97_STAC_PAGE0);
stac9766_ac97_write(codec, AC97_INT_PAGING, 1);
return val;
}
@ -173,7 +175,7 @@ static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec,
reg == AC97_INT_PAGING || reg == AC97_VENDOR_ID1 ||
reg == AC97_VENDOR_ID2) {
val = soc_ac97_ops->read(codec->ac97, reg);
val = soc_ac97_ops->read(ac97, reg);
return val;
}
return cache[reg / 2];
@ -240,15 +242,17 @@ static int stac9766_set_bias_level(struct snd_soc_codec *codec,
static int stac9766_reset(struct snd_soc_codec *codec, int try_warm)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
if (try_warm && soc_ac97_ops->warm_reset) {
soc_ac97_ops->warm_reset(codec->ac97);
soc_ac97_ops->warm_reset(ac97);
if (stac9766_ac97_read(codec, 0) == stac9766_reg[0])
return 1;
}
soc_ac97_ops->reset(codec->ac97);
soc_ac97_ops->reset(ac97);
if (soc_ac97_ops->warm_reset)
soc_ac97_ops->warm_reset(codec->ac97);
soc_ac97_ops->warm_reset(ac97);
if (stac9766_ac97_read(codec, 0) != stac9766_reg[0])
return -EIO;
return 0;
@ -262,6 +266,7 @@ static int stac9766_codec_suspend(struct snd_soc_codec *codec)
static int stac9766_codec_resume(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
u16 id, reset;
reset = 0;
@ -271,8 +276,8 @@ reset:
printk(KERN_ERR "stac9766 failed to resume");
return -EIO;
}
codec->ac97->bus->ops->warm_reset(codec->ac97);
id = soc_ac97_ops->read(codec->ac97, AC97_VENDOR_ID2);
ac97->bus->ops->warm_reset(ac97);
id = soc_ac97_ops->read(ac97, AC97_VENDOR_ID2);
if (id != 0x4c13) {
stac9766_reset(codec, 0);
reset++;
@ -294,7 +299,6 @@ static const struct snd_soc_dai_ops stac9766_dai_ops_digital = {
static struct snd_soc_dai_driver stac9766_dai[] = {
{
.name = "stac9766-hifi-analog",
.ac97_control = 1,
/* stream cababilities */
.playback = {
@ -316,7 +320,6 @@ static struct snd_soc_dai_driver stac9766_dai[] = {
},
{
.name = "stac9766-hifi-IEC958",
.ac97_control = 1,
/* stream cababilities */
.playback = {
@ -334,11 +337,14 @@ static struct snd_soc_dai_driver stac9766_dai[] = {
static int stac9766_codec_probe(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97;
int ret = 0;
ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
if (ret < 0)
goto codec_err;
ac97 = snd_soc_new_ac97_codec(codec);
if (IS_ERR(ac97))
return PTR_ERR(ac97);
snd_soc_codec_set_drvdata(codec, ac97);
/* do a cold reset for the controller and then try
* a warm reset followed by an optional cold reset for codec */
@ -357,13 +363,15 @@ static int stac9766_codec_probe(struct snd_soc_codec *codec)
return 0;
codec_err:
snd_soc_free_ac97_codec(codec);
snd_soc_free_ac97_codec(ac97);
return ret;
}
static int stac9766_codec_remove(struct snd_soc_codec *codec)
{
snd_soc_free_ac97_codec(codec);
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
snd_soc_free_ac97_codec(ac97);
return 0;
}

46
sound/soc/codecs/wm9705.c
View File

@ -203,13 +203,14 @@ static const struct snd_soc_dapm_route wm9705_audio_map[] = {
/* We use a register cache to enhance read performance. */
static unsigned int ac97_read(struct snd_soc_codec *codec, unsigned int reg)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
switch (reg) {
case AC97_RESET:
case AC97_VENDOR_ID1:
case AC97_VENDOR_ID2:
return soc_ac97_ops->read(codec->ac97, reg);
return soc_ac97_ops->read(ac97, reg);
default:
reg = reg >> 1;
@ -223,9 +224,10 @@ static unsigned int ac97_read(struct snd_soc_codec *codec, unsigned int reg)
static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int val)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
soc_ac97_ops->write(codec->ac97, reg, val);
soc_ac97_ops->write(ac97, reg, val);
reg = reg >> 1;
if (reg < (ARRAY_SIZE(wm9705_reg)))
cache[reg] = val;
@ -263,7 +265,6 @@ static const struct snd_soc_dai_ops wm9705_dai_ops = {
static struct snd_soc_dai_driver wm9705_dai[] = {
{
.name = "wm9705-hifi",
.ac97_control = 1,
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
@ -294,36 +295,41 @@ static struct snd_soc_dai_driver wm9705_dai[] = {
static int wm9705_reset(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
if (soc_ac97_ops->reset) {
soc_ac97_ops->reset(codec->ac97);
soc_ac97_ops->reset(ac97);
if (ac97_read(codec, 0) == wm9705_reg[0])
return 0; /* Success */
}
dev_err(codec->dev, "Failed to reset: AC97 link error\n");
return -EIO;
}
#ifdef CONFIG_PM
static int wm9705_soc_suspend(struct snd_soc_codec *codec)
{
soc_ac97_ops->write(codec->ac97, AC97_POWERDOWN, 0xffff);
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
soc_ac97_ops->write(ac97, AC97_POWERDOWN, 0xffff);
return 0;
}
static int wm9705_soc_resume(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
int i, ret;
u16 *cache = codec->reg_cache;
ret = wm9705_reset(codec);
if (ret < 0) {
printk(KERN_ERR "could not reset AC97 codec\n");
if (ret < 0)
return ret;
}
for (i = 2; i < ARRAY_SIZE(wm9705_reg) << 1; i += 2) {
soc_ac97_ops->write(codec->ac97, i, cache[i>>1]);
soc_ac97_ops->write(ac97, i, cache[i>>1]);
}
return 0;
@ -335,31 +341,34 @@ static int wm9705_soc_resume(struct snd_soc_codec *codec)
static int wm9705_soc_probe(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97;
int ret = 0;
ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
if (ret < 0) {
printk(KERN_ERR "wm9705: failed to register AC97 codec\n");
ac97 = snd_soc_new_ac97_codec(codec);
if (IS_ERR(ac97)) {
ret = PTR_ERR(ac97);
dev_err(codec->dev, "Failed to register AC97 codec\n");
return ret;
}
snd_soc_codec_set_drvdata(codec, ac97);
ret = wm9705_reset(codec);
if (ret)
goto reset_err;
snd_soc_add_codec_controls(codec, wm9705_snd_ac97_controls,
ARRAY_SIZE(wm9705_snd_ac97_controls));
return 0;
reset_err:
snd_soc_free_ac97_codec(codec);
snd_soc_free_ac97_codec(ac97);
return ret;
}
static int wm9705_soc_remove(struct snd_soc_codec *codec)
{
snd_soc_free_ac97_codec(codec);
struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
snd_soc_free_ac97_codec(ac97);
return 0;
}
@ -374,6 +383,9 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9705 = {
.reg_word_size = sizeof(u16),
.reg_cache_step = 2,
.reg_cache_default = wm9705_reg,
.controls = wm9705_snd_ac97_controls,
.num_controls = ARRAY_SIZE(wm9705_snd_ac97_controls),
.dapm_widgets = wm9705_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm9705_dapm_widgets),
.dapm_routes = wm9705_audio_map,

205
sound/soc/codecs/wm9712.c
View File

@ -23,6 +23,12 @@
#include <sound/tlv.h>
#include "wm9712.h"
struct wm9712_priv {
struct snd_ac97 *ac97;
unsigned int hp_mixer[2];
struct mutex lock;
};
static unsigned int ac97_read(struct snd_soc_codec *codec,
unsigned int reg);
static int ac97_write(struct snd_soc_codec *codec,
@ -48,12 +54,10 @@ static const u16 wm9712_reg[] = {
0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
0x0000, 0x0000 /* virtual hp mixers */
};
/* virtual HP mixers regs */
#define HPL_MIXER 0x80
#define HPR_MIXER 0x82
#define HPL_MIXER 0x0
#define HPR_MIXER 0x1
static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
@ -157,75 +161,108 @@ SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
};
static const unsigned int wm9712_mixer_mute_regs[] = {
AC97_VIDEO,
AC97_PCM,
AC97_LINE,
AC97_PHONE,
AC97_CD,
AC97_PC_BEEP,
};
/* We have to create a fake left and right HP mixers because
* the codec only has a single control that is shared by both channels.
* This makes it impossible to determine the audio path.
*/
static int mixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u16 l, r, beep, line, phone, mic, pcm, aux;
struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
unsigned int val = ucontrol->value.enumerated.item[0];
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int mixer, mask, shift, old;
struct snd_soc_dapm_update update;
bool change;
l = ac97_read(w->codec, HPL_MIXER);
r = ac97_read(w->codec, HPR_MIXER);
beep = ac97_read(w->codec, AC97_PC_BEEP);
mic = ac97_read(w->codec, AC97_VIDEO);
phone = ac97_read(w->codec, AC97_PHONE);
line = ac97_read(w->codec, AC97_LINE);
pcm = ac97_read(w->codec, AC97_PCM);
aux = ac97_read(w->codec, AC97_CD);
mixer = mc->shift >> 8;
shift = mc->shift & 0xff;
mask = 1 << shift;
if (l & 0x1 || r & 0x1)
ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
mutex_lock(&wm9712->lock);
old = wm9712->hp_mixer[mixer];
if (ucontrol->value.enumerated.item[0])
wm9712->hp_mixer[mixer] |= mask;
else
ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
wm9712->hp_mixer[mixer] &= ~mask;
if (l & 0x2 || r & 0x2)
ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
else
ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
change = old != wm9712->hp_mixer[mixer];
if (change) {
update.kcontrol = kcontrol;
update.reg = wm9712_mixer_mute_regs[shift];
update.mask = 0x8000;
if ((wm9712->hp_mixer[0] & mask) ||
(wm9712->hp_mixer[1] & mask))
update.val = 0x0;
else
update.val = 0x8000;
if (l & 0x4 || r & 0x4)
ac97_write(w->codec, AC97_LINE, line & 0x7fff);
else
ac97_write(w->codec, AC97_LINE, line | 0x8000);
snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
&update);
}
if (l & 0x8 || r & 0x8)
ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
else
ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
mutex_unlock(&wm9712->lock);
if (l & 0x10 || r & 0x10)
ac97_write(w->codec, AC97_CD, aux & 0x7fff);
else
ac97_write(w->codec, AC97_CD, aux | 0x8000);
return change;
}
if (l & 0x20 || r & 0x20)
ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
else
ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int shift, mixer;
mixer = mc->shift >> 8;
shift = mc->shift & 0xff;
ucontrol->value.enumerated.item[0] =
(wm9712->hp_mixer[mixer] >> shift) & 1;
return 0;
}
#define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, \
.get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \
.private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \
(xmixer << 8) | xshift, 1, 0, 0) \
}
/* Left Headphone Mixers */
static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5),
WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4),
WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3),
WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2),
WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1),
WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0),
};
/* Right Headphone Mixers */
static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5),
WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4),
WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3),
WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2),
WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1),
WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0),
};
/* Speaker Mixer */
@ -299,12 +336,10 @@ SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
&wm9712_diff_sel_controls),
SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
&wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
&wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
&wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
&wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
&wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
@ -450,12 +485,13 @@ static const struct snd_soc_dapm_route wm9712_audio_map[] = {
static unsigned int ac97_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
reg == AC97_REC_GAIN)
return soc_ac97_ops->read(codec->ac97, reg);
return soc_ac97_ops->read(wm9712->ac97, reg);
else {
reg = reg >> 1;
@ -469,10 +505,10 @@ static unsigned int ac97_read(struct snd_soc_codec *codec,
static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int val)
{
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
if (reg < 0x7c)
soc_ac97_ops->write(codec->ac97, reg, val);
soc_ac97_ops->write(wm9712->ac97, reg, val);
reg = reg >> 1;
if (reg < (ARRAY_SIZE(wm9712_reg)))
cache[reg] = val;
@ -532,7 +568,6 @@ static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
static struct snd_soc_dai_driver wm9712_dai[] = {
{
.name = "wm9712-hifi",
.ac97_control = 1,
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
@ -581,21 +616,23 @@ static int wm9712_set_bias_level(struct snd_soc_codec *codec,
static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
{
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
if (try_warm && soc_ac97_ops->warm_reset) {
soc_ac97_ops->warm_reset(codec->ac97);
soc_ac97_ops->warm_reset(wm9712->ac97);
if (ac97_read(codec, 0) == wm9712_reg[0])
return 1;
}
soc_ac97_ops->reset(codec->ac97);
soc_ac97_ops->reset(wm9712->ac97);
if (soc_ac97_ops->warm_reset)
soc_ac97_ops->warm_reset(codec->ac97);
soc_ac97_ops->warm_reset(wm9712->ac97);
if (ac97_read(codec, 0) != wm9712_reg[0])
goto err;
return 0;
err:
printk(KERN_ERR "WM9712 AC97 reset failed\n");
dev_err(codec->dev, "Failed to reset: AC97 link error\n");
return -EIO;
}
@ -607,14 +644,13 @@ static int wm9712_soc_suspend(struct snd_soc_codec *codec)
static int wm9712_soc_resume(struct snd_soc_codec *codec)
{
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
int i, ret;
u16 *cache = codec->reg_cache;
ret = wm9712_reset(codec, 1);
if (ret < 0) {
printk(KERN_ERR "could not reset AC97 codec\n");
if (ret < 0)
return ret;
}
wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@ -624,7 +660,7 @@ static int wm9712_soc_resume(struct snd_soc_codec *codec)
if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
(i > 0x58 && i != 0x5c))
continue;
soc_ac97_ops->write(codec->ac97, i, cache[i>>1]);
soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]);
}
}
@ -633,37 +669,37 @@ static int wm9712_soc_resume(struct snd_soc_codec *codec)
static int wm9712_soc_probe(struct snd_soc_codec *codec)
{
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
if (ret < 0) {
printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
wm9712->ac97 = snd_soc_new_ac97_codec(codec);
if (IS_ERR(wm9712->ac97)) {
ret = PTR_ERR(wm9712->ac97);
dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
return ret;
}
ret = wm9712_reset(codec, 0);
if (ret < 0) {
printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
if (ret < 0)
goto reset_err;
}
/* set alc mux to none */
ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
snd_soc_add_codec_controls(codec, wm9712_snd_ac97_controls,
ARRAY_SIZE(wm9712_snd_ac97_controls));
return 0;
reset_err:
snd_soc_free_ac97_codec(codec);
snd_soc_free_ac97_codec(wm9712->ac97);
return ret;
}
static int wm9712_soc_remove(struct snd_soc_codec *codec)
{
snd_soc_free_ac97_codec(codec);
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
snd_soc_free_ac97_codec(wm9712->ac97);
return 0;
}
@ -679,6 +715,9 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
.reg_word_size = sizeof(u16),
.reg_cache_step = 2,
.reg_cache_default = wm9712_reg,
.controls = wm9712_snd_ac97_controls,
.num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls),
.dapm_widgets = wm9712_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
.dapm_routes = wm9712_audio_map,
@ -687,6 +726,16 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
static int wm9712_probe(struct platform_device *pdev)
{
struct wm9712_priv *wm9712;
wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
if (wm9712 == NULL)
return -ENOMEM;
mutex_init(&wm9712->lock);
platform_set_drvdata(pdev, wm9712);
return snd_soc_register_codec(&pdev->dev,
&soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
}

224
sound/soc/codecs/wm9713.c
View File

@ -30,7 +30,10 @@
#include "wm9713.h"
struct wm9713_priv {
struct snd_ac97 *ac97;
u32 pll_in; /* PLL input frequency */
unsigned int hp_mixer[2];
struct mutex lock;
};
static unsigned int ac97_read(struct snd_soc_codec *codec,
@ -59,13 +62,10 @@ static const u16 wm9713_reg[] = {
0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0006,
0x0001, 0x0000, 0x574d, 0x4c13,
0x0000, 0x0000, 0x0000
};
/* virtual HP mixers regs */
#define HPL_MIXER 0x80
#define HPR_MIXER 0x82
#define MICB_MUX 0x82
#define HPL_MIXER 0
#define HPR_MIXER 1
static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
@ -110,7 +110,7 @@ SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
SOC_ENUM_SINGLE_VIRT(2, wm9713_micb_select), /* mic selection 19 */
};
static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
@ -234,6 +234,14 @@ static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
return 0;
}
static const unsigned int wm9713_mixer_mute_regs[] = {
AC97_PC_BEEP,
AC97_MASTER_TONE,
AC97_PHONE,
AC97_REC_SEL,
AC97_PCM,
AC97_AUX,
};
/* We have to create a fake left and right HP mixers because
* the codec only has a single control that is shared by both channels.
@ -241,73 +249,95 @@ static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
* register map, thus we add a new (virtual) register to help determine the
* audio route within the device.
*/
static int mixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u16 l, r, beep, tone, phone, rec, pcm, aux;
struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
unsigned int val = ucontrol->value.enumerated.item[0];
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int mixer, mask, shift, old;
struct snd_soc_dapm_update update;
bool change;
l = ac97_read(w->codec, HPL_MIXER);
r = ac97_read(w->codec, HPR_MIXER);
beep = ac97_read(w->codec, AC97_PC_BEEP);
tone = ac97_read(w->codec, AC97_MASTER_TONE);
phone = ac97_read(w->codec, AC97_PHONE);
rec = ac97_read(w->codec, AC97_REC_SEL);
pcm = ac97_read(w->codec, AC97_PCM);
aux = ac97_read(w->codec, AC97_AUX);
mixer = mc->shift >> 8;
shift = mc->shift & 0xff;
mask = (1 << shift);
if (event & SND_SOC_DAPM_PRE_REG)
return 0;
if ((l & 0x1) || (r & 0x1))
ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
mutex_lock(&wm9713->lock);
old = wm9713->hp_mixer[mixer];
if (ucontrol->value.enumerated.item[0])
wm9713->hp_mixer[mixer] |= mask;
else
ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
wm9713->hp_mixer[mixer] &= ~mask;
if ((l & 0x2) || (r & 0x2))
ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
else
ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
change = old != wm9713->hp_mixer[mixer];
if (change) {
update.kcontrol = kcontrol;
update.reg = wm9713_mixer_mute_regs[shift];
update.mask = 0x8000;
if ((wm9713->hp_mixer[0] & mask) ||
(wm9713->hp_mixer[1] & mask))
update.val = 0x0;
else
update.val = 0x8000;
if ((l & 0x4) || (r & 0x4))
ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
else
ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
&update);
}
if ((l & 0x8) || (r & 0x8))
ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
else
ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
mutex_unlock(&wm9713->lock);
if ((l & 0x10) || (r & 0x10))
ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
else
ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
return change;
}
if ((l & 0x20) || (r & 0x20))
ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
else
ac97_write(w->codec, AC97_AUX, aux | 0x8000);
static int wm9713_hp_mixer_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int mixer, shift;
mixer = mc->shift >> 8;
shift = mc->shift & 0xff;
ucontrol->value.enumerated.item[0] =
(wm9713->hp_mixer[mixer] >> shift) & 1;
return 0;
}
#define WM9713_HP_MIXER_CTRL(xname, xmixer, xshift) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, \
.get = wm9713_hp_mixer_get, .put = wm9713_hp_mixer_put, \
.private_value = SOC_DOUBLE_VALUE(SND_SOC_NOPM, \
xshift, xmixer, 1, 0, 0) \
}
/* Left Headphone Mixers */
static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPL_MIXER, 5),
WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPL_MIXER, 4),
WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 3),
WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 2),
WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPL_MIXER, 1),
WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPL_MIXER, 0),
};
/* Right Headphone Mixers */
static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPR_MIXER, 5),
WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPR_MIXER, 4),
WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 3),
WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 2),
WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPR_MIXER, 1),
WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPR_MIXER, 0),
};
/* headphone capture mux */
@ -429,12 +459,10 @@ SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
&wm9713_mic_sel_mux_controls),
SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
&wm9713_micb_sel_mux_controls),
SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls)),
SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls)),
SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
@ -647,12 +675,13 @@ static const struct snd_soc_dapm_route wm9713_audio_map[] = {
static unsigned int ac97_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
reg == AC97_CD)
return soc_ac97_ops->read(codec->ac97, reg);
return soc_ac97_ops->read(wm9713->ac97, reg);
else {
reg = reg >> 1;
@ -666,9 +695,10 @@ static unsigned int ac97_read(struct snd_soc_codec *codec,
static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int val)
{
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
if (reg < 0x7c)
soc_ac97_ops->write(codec->ac97, reg, val);
soc_ac97_ops->write(wm9713->ac97, reg, val);
reg = reg >> 1;
if (reg < (ARRAY_SIZE(wm9713_reg)))
cache[reg] = val;
@ -689,7 +719,8 @@ struct _pll_div {
* to allow rounding later */
#define FIXED_PLL_SIZE ((1 << 22) * 10)
static void pll_factors(struct _pll_div *pll_div, unsigned int source)
static void pll_factors(struct snd_soc_codec *codec,
struct _pll_div *pll_div, unsigned int source)
{
u64 Kpart;
unsigned int K, Ndiv, Nmod, target;
@ -724,7 +755,7 @@ static void pll_factors(struct _pll_div *pll_div, unsigned int source)
Ndiv = target / source;
if ((Ndiv < 5) || (Ndiv > 12))
printk(KERN_WARNING
dev_warn(codec->dev,
"WM9713 PLL N value %u out of recommended range!\n",
Ndiv);
@ -768,7 +799,7 @@ static int wm9713_set_pll(struct snd_soc_codec *codec,
return 0;
}
pll_factors(&pll_div, freq_in);
pll_factors(codec, &pll_div, freq_in);
if (pll_div.k == 0) {
reg = (pll_div.n << 12) | (pll_div.lf << 11) |
@ -1049,7 +1080,6 @@ static const struct snd_soc_dai_ops wm9713_dai_ops_voice = {
static struct snd_soc_dai_driver wm9713_dai[] = {
{
.name = "wm9713-hifi",
.ac97_control = 1,
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
@ -1095,17 +1125,22 @@ static struct snd_soc_dai_driver wm9713_dai[] = {
int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
{
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
if (try_warm && soc_ac97_ops->warm_reset) {
soc_ac97_ops->warm_reset(codec->ac97);
soc_ac97_ops->warm_reset(wm9713->ac97);
if (ac97_read(codec, 0) == wm9713_reg[0])
return 1;
}
soc_ac97_ops->reset(codec->ac97);
soc_ac97_ops->reset(wm9713->ac97);
if (soc_ac97_ops->warm_reset)
soc_ac97_ops->warm_reset(codec->ac97);
if (ac97_read(codec, 0) != wm9713_reg[0])
soc_ac97_ops->warm_reset(wm9713->ac97);
if (ac97_read(codec, 0) != wm9713_reg[0]) {
dev_err(codec->dev, "Failed to reset: AC97 link error\n");
return -EIO;
}
return 0;
}
EXPORT_SYMBOL_GPL(wm9713_reset);
@ -1163,10 +1198,8 @@ static int wm9713_soc_resume(struct snd_soc_codec *codec)
u16 *cache = codec->reg_cache;
ret = wm9713_reset(codec, 1);
if (ret < 0) {
printk(KERN_ERR "could not reset AC97 codec\n");
if (ret < 0)
return ret;
}
wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@ -1180,7 +1213,7 @@ static int wm9713_soc_resume(struct snd_soc_codec *codec)
if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
i == AC97_EXTENDED_MSTATUS || i > 0x66)
continue;
soc_ac97_ops->write(codec->ac97, i, cache[i>>1]);
soc_ac97_ops->write(wm9713->ac97, i, cache[i>>1]);
}
}
@ -1189,26 +1222,19 @@ static int wm9713_soc_resume(struct snd_soc_codec *codec)
static int wm9713_soc_probe(struct snd_soc_codec *codec)
{
struct wm9713_priv *wm9713;
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
int ret = 0, reg;
wm9713 = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
if (wm9713 == NULL)
return -ENOMEM;
snd_soc_codec_set_drvdata(codec, wm9713);
ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
if (ret < 0)
goto codec_err;
wm9713->ac97 = snd_soc_new_ac97_codec(codec);
if (IS_ERR(wm9713->ac97))
return PTR_ERR(wm9713->ac97);
/* do a cold reset for the controller and then try
* a warm reset followed by an optional cold reset for codec */
wm9713_reset(codec, 0);
ret = wm9713_reset(codec, 1);
if (ret < 0) {
printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
if (ret < 0)
goto reset_err;
}
wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@ -1216,23 +1242,18 @@ static int wm9713_soc_probe(struct snd_soc_codec *codec)
reg = ac97_read(codec, AC97_CD) & 0x7fff;
ac97_write(codec, AC97_CD, reg);
snd_soc_add_codec_controls(codec, wm9713_snd_ac97_controls,
ARRAY_SIZE(wm9713_snd_ac97_controls));
return 0;
reset_err:
snd_soc_free_ac97_codec(codec);
codec_err:
kfree(wm9713);
snd_soc_free_ac97_codec(wm9713->ac97);
return ret;
}
static int wm9713_soc_remove(struct snd_soc_codec *codec)
{
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
snd_soc_free_ac97_codec(codec);
kfree(wm9713);
snd_soc_free_ac97_codec(wm9713->ac97);
return 0;
}
@ -1248,6 +1269,9 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
.reg_word_size = sizeof(u16),
.reg_cache_step = 2,
.reg_cache_default = wm9713_reg,
.controls = wm9713_snd_ac97_controls,
.num_controls = ARRAY_SIZE(wm9713_snd_ac97_controls),
.dapm_widgets = wm9713_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
.dapm_routes = wm9713_audio_map,
@ -1256,6 +1280,16 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
static int wm9713_probe(struct platform_device *pdev)
{
struct wm9713_priv *wm9713;
wm9713 = devm_kzalloc(&pdev->dev, sizeof(*wm9713), GFP_KERNEL);
if (wm9713 == NULL)
return -ENOMEM;
mutex_init(&wm9713->lock);
platform_set_drvdata(pdev, wm9713);
return snd_soc_register_codec(&pdev->dev,
&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
}

2
sound/soc/fsl/fsl_ssi.c
View File

@ -1099,7 +1099,7 @@ static const struct snd_soc_component_driver fsl_ssi_component = {
};
static struct snd_soc_dai_driver fsl_ssi_ac97_dai = {
.ac97_control = 1,
.bus_control = true,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,

2
sound/soc/fsl/imx-ssi.c
View File

@ -382,7 +382,7 @@ static struct snd_soc_dai_driver imx_ssi_dai = {
static struct snd_soc_dai_driver imx_ac97_dai = {
.probe = imx_ssi_dai_probe,
.ac97_control = 1,
.bus_control = true,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,

3
sound/soc/fsl/mpc5200_dma.c
View File

@ -327,9 +327,6 @@ static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
goto capture_alloc_err;
}
if (rtd->codec->ac97)
rtd->codec->ac97->private_data = psc_dma;
return 0;
capture_alloc_err:

6
sound/soc/fsl/mpc5200_psc_ac97.c
View File

@ -237,7 +237,7 @@ static const struct snd_soc_dai_ops psc_ac97_digital_ops = {
static struct snd_soc_dai_driver psc_ac97_dai[] = {
{
.name = "mpc5200-psc-ac97.0",
.ac97_control = 1,
.bus_control = true,
.probe = psc_ac97_probe,
.playback = {
.stream_name = "AC97 Playback",
@ -257,7 +257,7 @@ static struct snd_soc_dai_driver psc_ac97_dai[] = {
},
{
.name = "mpc5200-psc-ac97.1",
.ac97_control = 1,
.bus_control = true,
.playback = {
.stream_name = "AC97 SPDIF",
.channels_min = 1,
@ -282,7 +282,6 @@ static const struct snd_soc_component_driver psc_ac97_component = {
static int psc_ac97_of_probe(struct platform_device *op)
{
int rc;
struct snd_ac97 ac97;
struct mpc52xx_psc __iomem *regs;
rc = mpc5200_audio_dma_create(op);
@ -304,7 +303,6 @@ static int psc_ac97_of_probe(struct platform_device *op)
psc_dma = dev_get_drvdata(&op->dev);
regs = psc_dma->psc_regs;
ac97.private_data = psc_dma;
psc_dma->imr = 0;
out_be16(&psc_dma->psc_regs->isr_imr.imr, psc_dma->imr);

2
sound/soc/nuc900/nuc900-ac97.c
View File

@ -298,7 +298,7 @@ static const struct snd_soc_dai_ops nuc900_ac97_dai_ops = {
static struct snd_soc_dai_driver nuc900_ac97_dai = {
.probe = nuc900_ac97_probe,
.remove = nuc900_ac97_remove,
.ac97_control = 1,
.bus_control = true,
.playback = {
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,

6
sound/soc/pxa/pxa2xx-ac97.c
View File

@ -157,7 +157,7 @@ static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
{
.name = "pxa2xx-ac97",
.ac97_control = 1,
.bus_control = true,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,
@ -174,7 +174,7 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
},
{
.name = "pxa2xx-ac97-aux",
.ac97_control = 1,
.bus_control = true,
.playback = {
.stream_name = "AC97 Aux Playback",
.channels_min = 1,
@ -191,7 +191,7 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
},
{
.name = "pxa2xx-ac97-mic",
.ac97_control = 1,
.bus_control = true,
.capture = {
.stream_name = "AC97 Mic Capture",
.channels_min = 1,

4
sound/soc/samsung/ac97.c
View File

@ -288,7 +288,7 @@ static int s3c_ac97_mic_dai_probe(struct snd_soc_dai *dai)
static struct snd_soc_dai_driver s3c_ac97_dai[] = {
[S3C_AC97_DAI_PCM] = {
.name = "samsung-ac97",
.ac97_control = 1,
.bus_control = true,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,
@ -306,7 +306,7 @@ static struct snd_soc_dai_driver s3c_ac97_dai[] = {
},
[S3C_AC97_DAI_MIC] = {
.name = "samsung-ac97-mic",
.ac97_control = 1,
.bus_control = true,
.capture = {
.stream_name = "AC97 Mic Capture",
.channels_min = 1,

2
sound/soc/sh/hac.c
View File

@ -272,7 +272,7 @@ static const struct snd_soc_dai_ops hac_dai_ops = {
static struct snd_soc_dai_driver sh4_hac_dai[] = {
{
.name = "hac-dai.0",
.ac97_control = 1,
.bus_control = true,
.playback = {
.rates = AC97_RATES,
.formats = AC97_FMTS,

256
sound/soc/soc-ac97.c Normal file
View File

@ -0,0 +1,256 @@
/*
* soc-ac97.c -- ALSA SoC Audio Layer AC97 support
*
* Copyright 2005 Wolfson Microelectronics PLC.
* Copyright 2005 Openedhand Ltd.
* Copyright (C) 2010 Slimlogic Ltd.
* Copyright (C) 2010 Texas Instruments Inc.
*
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
* with code, comments and ideas from :-
* 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.
*/
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/of_gpio.h>
#include <linux/of.h>
#include <linux/pinctrl/consumer.h>
#include <linux/slab.h>
#include <sound/ac97_codec.h>
#include <sound/soc.h>
struct snd_ac97_reset_cfg {
struct pinctrl *pctl;
struct pinctrl_state *pstate_reset;
struct pinctrl_state *pstate_warm_reset;
struct pinctrl_state *pstate_run;
int gpio_sdata;
int gpio_sync;
int gpio_reset;
};
static struct snd_ac97_bus soc_ac97_bus = {
.ops = NULL, /* Gets initialized in snd_soc_set_ac97_ops() */
};
static void soc_ac97_device_release(struct device *dev)
{
kfree(to_ac97_t(dev));
}
/**
* snd_soc_new_ac97_codec - initailise AC97 device
* @codec: audio codec
*
* Initialises AC97 codec resources for use by ad-hoc devices only.
*/
struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec)
{
struct snd_ac97 *ac97;
int ret;
ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
if (ac97 == NULL)
return ERR_PTR(-ENOMEM);
ac97->bus = &soc_ac97_bus;
ac97->num = 0;
ac97->dev.bus = &ac97_bus_type;
ac97->dev.parent = codec->component.card->dev;
ac97->dev.release = soc_ac97_device_release;
dev_set_name(&ac97->dev, "%d-%d:%s",
codec->component.card->snd_card->number, 0,
codec->component.name);
ret = device_register(&ac97->dev);
if (ret) {
put_device(&ac97->dev);
return ERR_PTR(ret);
}
return ac97;
}
EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
/**
* snd_soc_free_ac97_codec - free AC97 codec device
* @codec: audio codec
*
* Frees AC97 codec device resources.
*/
void snd_soc_free_ac97_codec(struct snd_ac97 *ac97)
{
device_del(&ac97->dev);
ac97->bus = NULL;
put_device(&ac97->dev);
}
EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
static struct snd_ac97_reset_cfg snd_ac97_rst_cfg;
static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97)
{
struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1);
udelay(10);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
msleep(2);
}
static void snd_soc_ac97_reset(struct snd_ac97 *ac97)
{
struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0);
gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0);
udelay(10);
gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1);
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
msleep(2);
}
static int snd_soc_ac97_parse_pinctl(struct device *dev,
struct snd_ac97_reset_cfg *cfg)
{
struct pinctrl *p;
struct pinctrl_state *state;
int gpio;
int ret;
p = devm_pinctrl_get(dev);
if (IS_ERR(p)) {
dev_err(dev, "Failed to get pinctrl\n");
return PTR_ERR(p);
}
cfg->pctl = p;
state = pinctrl_lookup_state(p, "ac97-reset");
if (IS_ERR(state)) {
dev_err(dev, "Can't find pinctrl state ac97-reset\n");
return PTR_ERR(state);
}
cfg->pstate_reset = state;
state = pinctrl_lookup_state(p, "ac97-warm-reset");
if (IS_ERR(state)) {
dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n");
return PTR_ERR(state);
}
cfg->pstate_warm_reset = state;
state = pinctrl_lookup_state(p, "ac97-running");
if (IS_ERR(state)) {
dev_err(dev, "Can't find pinctrl state ac97-running\n");
return PTR_ERR(state);
}
cfg->pstate_run = state;
gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0);
if (gpio < 0) {
dev_err(dev, "Can't find ac97-sync gpio\n");
return gpio;
}
ret = devm_gpio_request(dev, gpio, "AC97 link sync");
if (ret) {
dev_err(dev, "Failed requesting ac97-sync gpio\n");
return ret;
}
cfg->gpio_sync = gpio;
gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1);
if (gpio < 0) {
dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio);
return gpio;
}
ret = devm_gpio_request(dev, gpio, "AC97 link sdata");
if (ret) {
dev_err(dev, "Failed requesting ac97-sdata gpio\n");
return ret;
}
cfg->gpio_sdata = gpio;
gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2);
if (gpio < 0) {
dev_err(dev, "Can't find ac97-reset gpio\n");
return gpio;
}
ret = devm_gpio_request(dev, gpio, "AC97 link reset");
if (ret) {
dev_err(dev, "Failed requesting ac97-reset gpio\n");
return ret;
}
cfg->gpio_reset = gpio;
return 0;
}
struct snd_ac97_bus_ops *soc_ac97_ops;
EXPORT_SYMBOL_GPL(soc_ac97_ops);
int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
{
if (ops == soc_ac97_ops)
return 0;
if (soc_ac97_ops && ops)
return -EBUSY;
soc_ac97_ops = ops;
soc_ac97_bus.ops = ops;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops);
/**
* snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions
*
* This function sets the reset and warm_reset properties of ops and parses
* the device node of pdev to get pinctrl states and gpio numbers to use.
*/
int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct snd_ac97_reset_cfg cfg;
int ret;
ret = snd_soc_ac97_parse_pinctl(dev, &cfg);
if (ret)
return ret;
ret = snd_soc_set_ac97_ops(ops);
if (ret)
return ret;
ops->warm_reset = snd_soc_ac97_warm_reset;
ops->reset = snd_soc_ac97_reset;
snd_ac97_rst_cfg = cfg;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset);

434
sound/soc/soc-core.c
View File

@ -34,9 +34,6 @@
#include <linux/ctype.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <sound/ac97_codec.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
@ -69,16 +66,6 @@ static int pmdown_time = 5000;
module_param(pmdown_time, int, 0);
MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
struct snd_ac97_reset_cfg {
struct pinctrl *pctl;
struct pinctrl_state *pstate_reset;
struct pinctrl_state *pstate_warm_reset;
struct pinctrl_state *pstate_run;
int gpio_sdata;
int gpio_sync;
int gpio_reset;
};
/* returns the minimum number of bytes needed to represent
* a particular given value */
static int min_bytes_needed(unsigned long val)
@ -496,40 +483,6 @@ struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
}
EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
#ifdef CONFIG_SND_SOC_AC97_BUS
/* unregister ac97 codec */
static int soc_ac97_dev_unregister(struct snd_soc_codec *codec)
{
if (codec->ac97->dev.bus)
device_unregister(&codec->ac97->dev);
return 0;
}
/* stop no dev release warning */
static void soc_ac97_device_release(struct device *dev){}
/* register ac97 codec to bus */
static int soc_ac97_dev_register(struct snd_soc_codec *codec)
{
int err;
codec->ac97->dev.bus = &ac97_bus_type;
codec->ac97->dev.parent = codec->component.card->dev;
codec->ac97->dev.release = soc_ac97_device_release;
dev_set_name(&codec->ac97->dev, "%d-%d:%s",
codec->component.card->snd_card->number, 0,
codec->component.name);
err = device_register(&codec->ac97->dev);
if (err < 0) {
dev_err(codec->dev, "ASoC: Can't register ac97 bus\n");
codec->ac97->dev.bus = NULL;
return err;
}
return 0;
}
#endif
static void codec2codec_close_delayed_work(struct work_struct *work)
{
/* Currently nothing to do for c2c links
@ -593,7 +546,7 @@ int snd_soc_suspend(struct device *dev)
if (card->rtd[i].dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control)
if (cpu_dai->driver->suspend && !cpu_dai->driver->bus_control)
cpu_dai->driver->suspend(cpu_dai);
}
@ -667,7 +620,7 @@ int snd_soc_suspend(struct device *dev)
if (card->rtd[i].dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
if (cpu_dai->driver->suspend && cpu_dai->driver->bus_control)
cpu_dai->driver->suspend(cpu_dai);
/* deactivate pins to sleep state */
@ -703,14 +656,14 @@ static void soc_resume_deferred(struct work_struct *work)
if (card->resume_pre)
card->resume_pre(card);
/* resume AC97 DAIs */
/* resume control bus DAIs */
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control)
if (cpu_dai->driver->resume && cpu_dai->driver->bus_control)
cpu_dai->driver->resume(cpu_dai);
}
@ -770,7 +723,7 @@ static void soc_resume_deferred(struct work_struct *work)
if (card->rtd[i].dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control)
if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control)
cpu_dai->driver->resume(cpu_dai);
}
@ -791,7 +744,8 @@ static void soc_resume_deferred(struct work_struct *work)
int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
int i, ac97_control = 0;
bool bus_control = false;
int i;
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
@ -814,17 +768,18 @@ int snd_soc_resume(struct device *dev)
}
}
/* AC97 devices might have other drivers hanging off them so
* need to resume immediately. Other drivers don't have that
* problem and may take a substantial amount of time to resume
/*
* DAIs that also act as the control bus master might have other drivers
* hanging off them so need to resume immediately. Other drivers don't
* have that problem and may take a substantial amount of time to resume
* due to I/O costs and anti-pop so handle them out of line.
*/
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
ac97_control |= cpu_dai->driver->ac97_control;
bus_control |= cpu_dai->driver->bus_control;
}
if (ac97_control) {
dev_dbg(dev, "ASoC: Resuming AC97 immediately\n");
if (bus_control) {
dev_dbg(dev, "ASoC: Resuming control bus master immediately\n");
soc_resume_deferred(&card->deferred_resume_work);
} else {
dev_dbg(dev, "ASoC: Scheduling resume work\n");
@ -1387,84 +1342,9 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
}
}
/* add platform data for AC97 devices */
for (i = 0; i < rtd->num_codecs; i++) {
if (rtd->codec_dais[i]->driver->ac97_control)
snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97,
rtd->cpu_dai->ac97_pdata);
}
return 0;
}
#ifdef CONFIG_SND_SOC_AC97_BUS
static int soc_register_ac97_codec(struct snd_soc_codec *codec,
struct snd_soc_dai *codec_dai)
{
int ret;
/* Only instantiate AC97 if not already done by the adaptor
* for the generic AC97 subsystem.
*/
if (codec_dai->driver->ac97_control && !codec->ac97_registered) {
/*
* It is possible that the AC97 device is already registered to
* the device subsystem. This happens when the device is created
* via snd_ac97_mixer(). Currently only SoC codec that does so
* is the generic AC97 glue but others migh emerge.
*
* In those cases we don't try to register the device again.
*/
if (!codec->ac97_created)
return 0;
ret = soc_ac97_dev_register(codec);
if (ret < 0) {
dev_err(codec->dev,
"ASoC: AC97 device register failed: %d\n", ret);
return ret;
}
codec->ac97_registered = 1;
}
return 0;
}
static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
{
if (codec->ac97_registered) {
soc_ac97_dev_unregister(codec);
codec->ac97_registered = 0;
}
}
static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
{
int i, ret;
for (i = 0; i < rtd->num_codecs; i++) {
struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
if (ret) {
while (--i >= 0)
soc_unregister_ac97_codec(codec_dai->codec);
return ret;
}
}
return 0;
}
static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
{
int i;
for (i = 0; i < rtd->num_codecs; i++)
soc_unregister_ac97_codec(rtd->codec_dais[i]->codec);
}
#endif
static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
@ -1758,20 +1638,6 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
goto probe_aux_dev_err;
}
#ifdef CONFIG_SND_SOC_AC97_BUS
/* register any AC97 codecs */
for (i = 0; i < card->num_rtd; i++) {
ret = soc_register_ac97_dai_link(&card->rtd[i]);
if (ret < 0) {
dev_err(card->dev,
"ASoC: failed to register AC97: %d\n", ret);
while (--i >= 0)
soc_unregister_ac97_dai_link(&card->rtd[i]);
goto probe_aux_dev_err;
}
}
#endif
card->instantiated = 1;
snd_soc_dapm_sync(&card->dapm);
mutex_unlock(&card->mutex);
@ -1913,216 +1779,6 @@ static struct platform_driver soc_driver = {
.remove = soc_remove,
};
/**
* snd_soc_new_ac97_codec - initailise AC97 device
* @codec: audio codec
* @ops: AC97 bus operations
* @num: AC97 codec number
*
* Initialises AC97 codec resources for use by ad-hoc devices only.
*/
int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
struct snd_ac97_bus_ops *ops, int num)
{
codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
if (codec->ac97 == NULL)
return -ENOMEM;
codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL);
if (codec->ac97->bus == NULL) {
kfree(codec->ac97);
codec->ac97 = NULL;
return -ENOMEM;
}
codec->ac97->bus->ops = ops;
codec->ac97->num = num;
/*
* Mark the AC97 device to be created by us. This way we ensure that the
* device will be registered with the device subsystem later on.
*/
codec->ac97_created = 1;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
static struct snd_ac97_reset_cfg snd_ac97_rst_cfg;
static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97)
{
struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1);
udelay(10);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
msleep(2);
}
static void snd_soc_ac97_reset(struct snd_ac97 *ac97)
{
struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0);
gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0);
udelay(10);
gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1);
pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
msleep(2);
}
static int snd_soc_ac97_parse_pinctl(struct device *dev,
struct snd_ac97_reset_cfg *cfg)
{
struct pinctrl *p;
struct pinctrl_state *state;
int gpio;
int ret;
p = devm_pinctrl_get(dev);
if (IS_ERR(p)) {
dev_err(dev, "Failed to get pinctrl\n");
return PTR_ERR(p);
}
cfg->pctl = p;
state = pinctrl_lookup_state(p, "ac97-reset");
if (IS_ERR(state)) {
dev_err(dev, "Can't find pinctrl state ac97-reset\n");
return PTR_ERR(state);
}
cfg->pstate_reset = state;
state = pinctrl_lookup_state(p, "ac97-warm-reset");
if (IS_ERR(state)) {
dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n");
return PTR_ERR(state);
}
cfg->pstate_warm_reset = state;
state = pinctrl_lookup_state(p, "ac97-running");
if (IS_ERR(state)) {
dev_err(dev, "Can't find pinctrl state ac97-running\n");
return PTR_ERR(state);
}
cfg->pstate_run = state;
gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0);
if (gpio < 0) {
dev_err(dev, "Can't find ac97-sync gpio\n");
return gpio;
}
ret = devm_gpio_request(dev, gpio, "AC97 link sync");
if (ret) {
dev_err(dev, "Failed requesting ac97-sync gpio\n");
return ret;
}
cfg->gpio_sync = gpio;
gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1);
if (gpio < 0) {
dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio);
return gpio;
}
ret = devm_gpio_request(dev, gpio, "AC97 link sdata");
if (ret) {
dev_err(dev, "Failed requesting ac97-sdata gpio\n");
return ret;
}
cfg->gpio_sdata = gpio;
gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2);
if (gpio < 0) {
dev_err(dev, "Can't find ac97-reset gpio\n");
return gpio;
}
ret = devm_gpio_request(dev, gpio, "AC97 link reset");
if (ret) {
dev_err(dev, "Failed requesting ac97-reset gpio\n");
return ret;
}
cfg->gpio_reset = gpio;
return 0;
}
struct snd_ac97_bus_ops *soc_ac97_ops;
EXPORT_SYMBOL_GPL(soc_ac97_ops);
int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
{
if (ops == soc_ac97_ops)
return 0;
if (soc_ac97_ops && ops)
return -EBUSY;
soc_ac97_ops = ops;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops);
/**
* snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions
*
* This function sets the reset and warm_reset properties of ops and parses
* the device node of pdev to get pinctrl states and gpio numbers to use.
*/
int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct snd_ac97_reset_cfg cfg;
int ret;
ret = snd_soc_ac97_parse_pinctl(dev, &cfg);
if (ret)
return ret;
ret = snd_soc_set_ac97_ops(ops);
if (ret)
return ret;
ops->warm_reset = snd_soc_ac97_warm_reset;
ops->reset = snd_soc_ac97_reset;
snd_ac97_rst_cfg = cfg;
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset);
/**
* snd_soc_free_ac97_codec - free AC97 codec device
* @codec: audio codec
*
* Frees AC97 codec device resources.
*/
void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
{
#ifdef CONFIG_SND_SOC_AC97_BUS
soc_unregister_ac97_codec(codec);
#endif
kfree(codec->ac97->bus);
kfree(codec->ac97);
codec->ac97 = NULL;
codec->ac97_created = 0;
}
EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
/**
* snd_soc_cnew - create new control
* @_template: control template
@ -2947,22 +2603,62 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
return 0;
}
static void snd_soc_component_init_regmap(struct snd_soc_component *component)
static void snd_soc_component_setup_regmap(struct snd_soc_component *component)
{
if (!component->regmap)
component->regmap = dev_get_regmap(component->dev, NULL);
if (component->regmap) {
int val_bytes = regmap_get_val_bytes(component->regmap);
/* Errors are legitimate for non-integer byte multiples */
if (val_bytes > 0)
component->val_bytes = val_bytes;
}
int val_bytes = regmap_get_val_bytes(component->regmap);
/* Errors are legitimate for non-integer byte multiples */
if (val_bytes > 0)
component->val_bytes = val_bytes;
}
#ifdef CONFIG_REGMAP
/**
* snd_soc_component_init_regmap() - Initialize regmap instance for the component
* @component: The component for which to initialize the regmap instance
* @regmap: The regmap instance that should be used by the component
*
* This function allows deferred assignment of the regmap instance that is
* associated with the component. Only use this if the regmap instance is not
* yet ready when the component is registered. The function must also be called
* before the first IO attempt of the component.
*/
void snd_soc_component_init_regmap(struct snd_soc_component *component,
struct regmap *regmap)
{
component->regmap = regmap;
snd_soc_component_setup_regmap(component);
}
EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
/**
* snd_soc_component_exit_regmap() - De-initialize regmap instance for the component
* @component: The component for which to de-initialize the regmap instance
*
* Calls regmap_exit() on the regmap instance associated to the component and
* removes the regmap instance from the component.
*
* This function should only be used if snd_soc_component_init_regmap() was used
* to initialize the regmap instance.
*/
void snd_soc_component_exit_regmap(struct snd_soc_component *component)
{
regmap_exit(component->regmap);
component->regmap = NULL;
}
EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
#endif
static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
{
if (!component->write && !component->read)
snd_soc_component_init_regmap(component);
if (!component->write && !component->read) {
if (!component->regmap)
component->regmap = dev_get_regmap(component->dev, NULL);
if (component->regmap)
snd_soc_component_setup_regmap(component);
}
list_add(&component->list, &component_list);
}

2
sound/soc/tegra/tegra20_ac97.c
View File

@ -228,7 +228,7 @@ static int tegra20_ac97_probe(struct snd_soc_dai *dai)
static struct snd_soc_dai_driver tegra20_ac97_dai = {
.name = "tegra-ac97-pcm",
.ac97_control = 1,
.bus_control = true,
.probe = tegra20_ac97_probe,
.playback = {
.stream_name = "PCM Playback",

2
sound/soc/txx9/txx9aclc-ac97.c
View File

@ -152,7 +152,7 @@ static int txx9aclc_ac97_remove(struct snd_soc_dai *dai)
}
static struct snd_soc_dai_driver txx9aclc_ac97_dai = {
.ac97_control = 1,
.bus_control = true,
.probe = txx9aclc_ac97_probe,
.remove = txx9aclc_ac97_remove,
.playback = {