mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-25 02:09:42 +00:00
Merge branch 'regmap-asoc' into for-3.2
This commit is contained in:
commit
bb3784ae36
3 changed files with 43 additions and 285 deletions
|
@ -19,6 +19,7 @@
|
|||
#include <linux/workqueue.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/regmap.h>
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
#include <sound/control.h>
|
||||
|
@ -260,6 +261,7 @@ extern struct snd_ac97_bus_ops soc_ac97_ops;
|
|||
enum snd_soc_control_type {
|
||||
SND_SOC_I2C = 1,
|
||||
SND_SOC_SPI,
|
||||
SND_SOC_REGMAP,
|
||||
};
|
||||
|
||||
enum snd_soc_compress_type {
|
||||
|
@ -576,6 +578,7 @@ struct snd_soc_codec {
|
|||
const void *reg_def_copy;
|
||||
const struct snd_soc_cache_ops *cache_ops;
|
||||
struct mutex cache_rw_mutex;
|
||||
int val_bytes;
|
||||
|
||||
/* dapm */
|
||||
struct snd_soc_dapm_context dapm;
|
||||
|
|
|
@ -7,6 +7,8 @@ menuconfig SND_SOC
|
|||
select SND_PCM
|
||||
select AC97_BUS if SND_SOC_AC97_BUS
|
||||
select SND_JACK if INPUT=y || INPUT=SND
|
||||
select REGMAP_I2C if I2C
|
||||
select REGMAP_SPI if SPI_MASTER
|
||||
---help---
|
||||
|
||||
If you want ASoC support, you should say Y here and also to the
|
||||
|
|
|
@ -13,26 +13,13 @@
|
|||
|
||||
#include <linux/i2c.h>
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/regmap.h>
|
||||
#include <sound/soc.h>
|
||||
|
||||
#include <trace/events/asoc.h>
|
||||
|
||||
#ifdef CONFIG_SPI_MASTER
|
||||
static int do_spi_write(void *control, const char *data, int len)
|
||||
{
|
||||
struct spi_device *spi = control;
|
||||
int ret;
|
||||
|
||||
ret = spi_write(spi, data, len);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return len;
|
||||
}
|
||||
#endif
|
||||
|
||||
static int do_hw_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value, const void *data, int len)
|
||||
static int hw_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value)
|
||||
{
|
||||
int ret;
|
||||
|
||||
|
@ -49,13 +36,7 @@ static int do_hw_write(struct snd_soc_codec *codec, unsigned int reg,
|
|||
return 0;
|
||||
}
|
||||
|
||||
ret = codec->hw_write(codec->control_data, data, len);
|
||||
if (ret == len)
|
||||
return 0;
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
else
|
||||
return -EIO;
|
||||
return regmap_write(codec->control_data, reg, value);
|
||||
}
|
||||
|
||||
static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg)
|
||||
|
@ -69,8 +50,11 @@ static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg)
|
|||
if (codec->cache_only)
|
||||
return -1;
|
||||
|
||||
BUG_ON(!codec->hw_read);
|
||||
return codec->hw_read(codec, reg);
|
||||
ret = regmap_read(codec->control_data, reg, &val);
|
||||
if (ret == 0)
|
||||
return val;
|
||||
else
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = snd_soc_cache_read(codec, reg, &val);
|
||||
|
@ -79,183 +63,18 @@ static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg)
|
|||
return val;
|
||||
}
|
||||
|
||||
static int snd_soc_4_12_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value)
|
||||
{
|
||||
u16 data;
|
||||
|
||||
data = cpu_to_be16((reg << 12) | (value & 0xffffff));
|
||||
|
||||
return do_hw_write(codec, reg, value, &data, 2);
|
||||
}
|
||||
|
||||
static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value)
|
||||
{
|
||||
u16 data;
|
||||
|
||||
data = cpu_to_be16((reg << 9) | (value & 0x1ff));
|
||||
|
||||
return do_hw_write(codec, reg, value, &data, 2);
|
||||
}
|
||||
|
||||
static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value)
|
||||
{
|
||||
u8 data[2];
|
||||
|
||||
reg &= 0xff;
|
||||
data[0] = reg;
|
||||
data[1] = value & 0xff;
|
||||
|
||||
return do_hw_write(codec, reg, value, data, 2);
|
||||
}
|
||||
|
||||
static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value)
|
||||
{
|
||||
u8 data[3];
|
||||
u16 val = cpu_to_be16(value);
|
||||
|
||||
data[0] = reg;
|
||||
memcpy(&data[1], &val, sizeof(val));
|
||||
|
||||
return do_hw_write(codec, reg, value, data, 3);
|
||||
}
|
||||
|
||||
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
|
||||
static unsigned int do_i2c_read(struct snd_soc_codec *codec,
|
||||
void *reg, int reglen,
|
||||
void *data, int datalen)
|
||||
{
|
||||
struct i2c_msg xfer[2];
|
||||
int ret;
|
||||
struct i2c_client *client = codec->control_data;
|
||||
|
||||
/* Write register */
|
||||
xfer[0].addr = client->addr;
|
||||
xfer[0].flags = 0;
|
||||
xfer[0].len = reglen;
|
||||
xfer[0].buf = reg;
|
||||
|
||||
/* Read data */
|
||||
xfer[1].addr = client->addr;
|
||||
xfer[1].flags = I2C_M_RD;
|
||||
xfer[1].len = datalen;
|
||||
xfer[1].buf = data;
|
||||
|
||||
ret = i2c_transfer(client->adapter, xfer, 2);
|
||||
if (ret == 2)
|
||||
return 0;
|
||||
else if (ret < 0)
|
||||
return ret;
|
||||
else
|
||||
return -EIO;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
|
||||
static unsigned int snd_soc_8_8_read_i2c(struct snd_soc_codec *codec,
|
||||
unsigned int r)
|
||||
{
|
||||
u8 reg = r;
|
||||
u8 data;
|
||||
int ret;
|
||||
|
||||
ret = do_i2c_read(codec, ®, 1, &data, 1);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
return data;
|
||||
}
|
||||
#else
|
||||
#define snd_soc_8_8_read_i2c NULL
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
|
||||
static unsigned int snd_soc_8_16_read_i2c(struct snd_soc_codec *codec,
|
||||
unsigned int r)
|
||||
{
|
||||
u8 reg = r;
|
||||
u16 data;
|
||||
int ret;
|
||||
|
||||
ret = do_i2c_read(codec, ®, 1, &data, 2);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
return (data >> 8) | ((data & 0xff) << 8);
|
||||
}
|
||||
#else
|
||||
#define snd_soc_8_16_read_i2c NULL
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
|
||||
static unsigned int snd_soc_16_8_read_i2c(struct snd_soc_codec *codec,
|
||||
unsigned int r)
|
||||
{
|
||||
u16 reg = r;
|
||||
u8 data;
|
||||
int ret;
|
||||
|
||||
ret = do_i2c_read(codec, ®, 2, &data, 1);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
return data;
|
||||
}
|
||||
#else
|
||||
#define snd_soc_16_8_read_i2c NULL
|
||||
#endif
|
||||
|
||||
static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value)
|
||||
{
|
||||
u8 data[3];
|
||||
u16 rval = cpu_to_be16(reg);
|
||||
|
||||
memcpy(data, &rval, sizeof(rval));
|
||||
data[2] = value;
|
||||
|
||||
return do_hw_write(codec, reg, value, data, 3);
|
||||
}
|
||||
|
||||
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
|
||||
static unsigned int snd_soc_16_16_read_i2c(struct snd_soc_codec *codec,
|
||||
unsigned int r)
|
||||
{
|
||||
u16 reg = cpu_to_be16(r);
|
||||
u16 data;
|
||||
int ret;
|
||||
|
||||
ret = do_i2c_read(codec, ®, 2, &data, 2);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
return be16_to_cpu(data);
|
||||
}
|
||||
#else
|
||||
#define snd_soc_16_16_read_i2c NULL
|
||||
#endif
|
||||
|
||||
static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,
|
||||
unsigned int value)
|
||||
{
|
||||
u16 data[2];
|
||||
|
||||
data[0] = cpu_to_be16(reg);
|
||||
data[1] = cpu_to_be16(value);
|
||||
|
||||
return do_hw_write(codec, reg, value, data, sizeof(data));
|
||||
}
|
||||
|
||||
/* Primitive bulk write support for soc-cache. The data pointed to by
|
||||
* `data' needs to already be in the form the hardware expects
|
||||
* including any leading register specific data. Any data written
|
||||
* through this function will not go through the cache as it only
|
||||
* handles writing to volatile or out of bounds registers.
|
||||
* `data' needs to already be in the form the hardware expects. Any
|
||||
* data written through this function will not go through the cache as
|
||||
* it only handles writing to volatile or out of bounds registers.
|
||||
*
|
||||
* This is currently only supported for devices using the regmap API
|
||||
* wrappers.
|
||||
*/
|
||||
static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec, unsigned int reg,
|
||||
static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec,
|
||||
unsigned int reg,
|
||||
const void *data, size_t len)
|
||||
{
|
||||
int ret;
|
||||
|
||||
/* To ensure that we don't get out of sync with the cache, check
|
||||
* whether the base register is volatile or if we've directly asked
|
||||
* to bypass the cache. Out of bounds registers are considered
|
||||
|
@ -266,66 +85,9 @@ static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec, unsigned int r
|
|||
&& reg < codec->driver->reg_cache_size)
|
||||
return -EINVAL;
|
||||
|
||||
switch (codec->control_type) {
|
||||
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
|
||||
case SND_SOC_I2C:
|
||||
ret = i2c_master_send(to_i2c_client(codec->dev), data, len);
|
||||
break;
|
||||
#endif
|
||||
#if defined(CONFIG_SPI_MASTER)
|
||||
case SND_SOC_SPI:
|
||||
ret = spi_write(to_spi_device(codec->dev), data, len);
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
BUG();
|
||||
}
|
||||
|
||||
if (ret == len)
|
||||
return 0;
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
else
|
||||
return -EIO;
|
||||
return regmap_raw_write(codec->control_data, reg, data, len);
|
||||
}
|
||||
|
||||
static struct {
|
||||
int addr_bits;
|
||||
int data_bits;
|
||||
int (*write)(struct snd_soc_codec *codec, unsigned int, unsigned int);
|
||||
unsigned int (*read)(struct snd_soc_codec *, unsigned int);
|
||||
unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int);
|
||||
} io_types[] = {
|
||||
{
|
||||
.addr_bits = 4, .data_bits = 12,
|
||||
.write = snd_soc_4_12_write,
|
||||
},
|
||||
{
|
||||
.addr_bits = 7, .data_bits = 9,
|
||||
.write = snd_soc_7_9_write,
|
||||
},
|
||||
{
|
||||
.addr_bits = 8, .data_bits = 8,
|
||||
.write = snd_soc_8_8_write,
|
||||
.i2c_read = snd_soc_8_8_read_i2c,
|
||||
},
|
||||
{
|
||||
.addr_bits = 8, .data_bits = 16,
|
||||
.write = snd_soc_8_16_write,
|
||||
.i2c_read = snd_soc_8_16_read_i2c,
|
||||
},
|
||||
{
|
||||
.addr_bits = 16, .data_bits = 8,
|
||||
.write = snd_soc_16_8_write,
|
||||
.i2c_read = snd_soc_16_8_read_i2c,
|
||||
},
|
||||
{
|
||||
.addr_bits = 16, .data_bits = 16,
|
||||
.write = snd_soc_16_16_write,
|
||||
.i2c_read = snd_soc_16_16_read_i2c,
|
||||
},
|
||||
};
|
||||
|
||||
/**
|
||||
* snd_soc_codec_set_cache_io: Set up standard I/O functions.
|
||||
*
|
||||
|
@ -349,47 +111,38 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
|
|||
int addr_bits, int data_bits,
|
||||
enum snd_soc_control_type control)
|
||||
{
|
||||
int i;
|
||||
struct regmap_config config;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(io_types); i++)
|
||||
if (io_types[i].addr_bits == addr_bits &&
|
||||
io_types[i].data_bits == data_bits)
|
||||
break;
|
||||
if (i == ARRAY_SIZE(io_types)) {
|
||||
printk(KERN_ERR
|
||||
"No I/O functions for %d bit address %d bit data\n",
|
||||
addr_bits, data_bits);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
codec->write = io_types[i].write;
|
||||
memset(&config, 0, sizeof(config));
|
||||
codec->write = hw_write;
|
||||
codec->read = hw_read;
|
||||
codec->bulk_write_raw = snd_soc_hw_bulk_write_raw;
|
||||
|
||||
config.reg_bits = addr_bits;
|
||||
config.val_bits = data_bits;
|
||||
|
||||
switch (control) {
|
||||
case SND_SOC_I2C:
|
||||
#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
|
||||
codec->hw_write = (hw_write_t)i2c_master_send;
|
||||
#endif
|
||||
if (io_types[i].i2c_read)
|
||||
codec->hw_read = io_types[i].i2c_read;
|
||||
|
||||
codec->control_data = container_of(codec->dev,
|
||||
struct i2c_client,
|
||||
dev);
|
||||
codec->control_data = regmap_init_i2c(to_i2c_client(codec->dev),
|
||||
&config);
|
||||
break;
|
||||
|
||||
case SND_SOC_SPI:
|
||||
#ifdef CONFIG_SPI_MASTER
|
||||
codec->hw_write = do_spi_write;
|
||||
#endif
|
||||
|
||||
codec->control_data = container_of(codec->dev,
|
||||
struct spi_device,
|
||||
dev);
|
||||
codec->control_data = regmap_init_spi(to_spi_device(codec->dev),
|
||||
&config);
|
||||
break;
|
||||
|
||||
case SND_SOC_REGMAP:
|
||||
/* Device has made its own regmap arrangements */
|
||||
break;
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (IS_ERR(codec->control_data))
|
||||
return PTR_ERR(codec->control_data);
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
|
||||
|
|
Loading…
Reference in a new issue