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ASoC: rt5677: Add the GPIO function 

The patch adds the GPIO function.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Oder Chiou 2014-09-16 11:37:39 +08:00 committed by Mark Brown
parent e5b2791d2a
commit 44caf76480
2 changed files with 245 additions and 0 deletions
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133
sound/soc/codecs/rt5677.c
View File

@ -19,6 +19,7 @@
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@ -3160,6 +3161,135 @@ static int rt5677_set_bias_level(struct snd_soc_codec *codec,
return 0;
}
#ifdef CONFIG_GPIOLIB
static inline struct rt5677_priv *gpio_to_rt5677(struct gpio_chip *chip)
{
return container_of(chip, struct rt5677_priv, gpio_chip);
}
static void rt5677_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct rt5677_priv *rt5677 = gpio_to_rt5677(chip);
switch (offset) {
case RT5677_GPIO1 ... RT5677_GPIO5:
regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL2,
0x1 << (offset * 3 + 1), !!value << (offset * 3 + 1));
break;
case RT5677_GPIO6:
regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL3,
RT5677_GPIO6_OUT_MASK, !!value << RT5677_GPIO6_OUT_SFT);
break;
default:
break;
}
}
static int rt5677_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
struct rt5677_priv *rt5677 = gpio_to_rt5677(chip);
switch (offset) {
case RT5677_GPIO1 ... RT5677_GPIO5:
regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL2,
0x3 << (offset * 3 + 1),
(0x2 | !!value) << (offset * 3 + 1));
break;
case RT5677_GPIO6:
regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL3,
RT5677_GPIO6_DIR_MASK | RT5677_GPIO6_OUT_MASK,
RT5677_GPIO6_DIR_OUT | !!value << RT5677_GPIO6_OUT_SFT);
break;
default:
break;
}
return 0;
}
static int rt5677_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct rt5677_priv *rt5677 = gpio_to_rt5677(chip);
int value, ret;
ret = regmap_read(rt5677->regmap, RT5677_GPIO_ST, &value);
if (ret < 0)
return ret;
return (value & (0x1 << offset)) >> offset;
}
static int rt5677_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
struct rt5677_priv *rt5677 = gpio_to_rt5677(chip);
switch (offset) {
case RT5677_GPIO1 ... RT5677_GPIO5:
regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL2,
0x1 << (offset * 3 + 2), 0x0);
break;
case RT5677_GPIO6:
regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL3,
RT5677_GPIO6_DIR_MASK, RT5677_GPIO6_DIR_IN);
break;
default:
break;
}
return 0;
}
static struct gpio_chip rt5677_template_chip = {
.label = "rt5677",
.owner = THIS_MODULE,
.direction_output = rt5677_gpio_direction_out,
.set = rt5677_gpio_set,
.direction_input = rt5677_gpio_direction_in,
.get = rt5677_gpio_get,
.can_sleep = 1,
};
static void rt5677_init_gpio(struct i2c_client *i2c)
{
struct rt5677_priv *rt5677 = i2c_get_clientdata(i2c);
int ret;
rt5677->gpio_chip = rt5677_template_chip;
rt5677->gpio_chip.ngpio = RT5677_GPIO_NUM;
rt5677->gpio_chip.dev = &i2c->dev;
rt5677->gpio_chip.base = -1;
ret = gpiochip_add(&rt5677->gpio_chip);
if (ret != 0)
dev_err(&i2c->dev, "Failed to add GPIOs: %d\n", ret);
}
static void rt5677_free_gpio(struct i2c_client *i2c)
{
struct rt5677_priv *rt5677 = i2c_get_clientdata(i2c);
int ret;
ret = gpiochip_remove(&rt5677->gpio_chip);
if (ret != 0)
dev_err(&i2c->dev, "Failed to remove GPIOs: %d\n", ret);
}
#else
static void rt5677_init_gpio(struct i2c_client *i2c)
{
}
static void rt5677_free_gpio(struct i2c_client *i2c)
{
}
#endif
static int rt5677_probe(struct snd_soc_codec *codec)
{
struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
@ -3422,6 +3552,8 @@ static int rt5677_i2c_probe(struct i2c_client *i2c,
RT5677_GPIO5_DIR_OUT);
}
rt5677_init_gpio(i2c);
return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5677,
rt5677_dai, ARRAY_SIZE(rt5677_dai));
}
@ -3429,6 +3561,7 @@ static int rt5677_i2c_probe(struct i2c_client *i2c,
static int rt5677_i2c_remove(struct i2c_client *i2c)
{
snd_soc_unregister_codec(&i2c->dev);
rt5677_free_gpio(i2c);
return 0;
}

112
sound/soc/codecs/rt5677.h
View File

@ -1363,10 +1363,109 @@
#define RT5677_SEL_SRC_IB01 (0x1 << 0)
#define RT5677_SEL_SRC_IB01_SFT 0
/* GPIO status (0xbf) */
#define RT5677_GPIO6_STATUS_MASK (0x1 << 5)
#define RT5677_GPIO6_STATUS_SFT 5
#define RT5677_GPIO5_STATUS_MASK (0x1 << 4)
#define RT5677_GPIO5_STATUS_SFT 4
#define RT5677_GPIO4_STATUS_MASK (0x1 << 3)
#define RT5677_GPIO4_STATUS_SFT 3
#define RT5677_GPIO3_STATUS_MASK (0x1 << 2)
#define RT5677_GPIO3_STATUS_SFT 2
#define RT5677_GPIO2_STATUS_MASK (0x1 << 1)
#define RT5677_GPIO2_STATUS_SFT 1
#define RT5677_GPIO1_STATUS_MASK (0x1 << 0)
#define RT5677_GPIO1_STATUS_SFT 0
/* GPIO Control 1 (0xc0) */
#define RT5677_GPIO1_PIN_MASK (0x1 << 15)
#define RT5677_GPIO1_PIN_SFT 15
#define RT5677_GPIO1_PIN_GPIO1 (0x0 << 15)
#define RT5677_GPIO1_PIN_IRQ (0x1 << 15)
#define RT5677_IPTV_MODE_MASK (0x1 << 14)
#define RT5677_IPTV_MODE_SFT 14
#define RT5677_IPTV_MODE_GPIO (0x0 << 14)
#define RT5677_IPTV_MODE_IPTV (0x1 << 14)
#define RT5677_FUNC_MODE_MASK (0x1 << 13)
#define RT5677_FUNC_MODE_SFT 13
#define RT5677_FUNC_MODE_DMIC_GPIO (0x0 << 13)
#define RT5677_FUNC_MODE_JTAG (0x1 << 13)
/* GPIO Control 2 (0xc1) */
#define RT5677_GPIO5_DIR_MASK (0x1 << 14)
#define RT5677_GPIO5_DIR_SFT 14
#define RT5677_GPIO5_DIR_IN (0x0 << 14)
#define RT5677_GPIO5_DIR_OUT (0x1 << 14)
#define RT5677_GPIO5_OUT_MASK (0x1 << 13)
#define RT5677_GPIO5_OUT_SFT 13
#define RT5677_GPIO5_OUT_LO (0x0 << 13)
#define RT5677_GPIO5_OUT_HI (0x1 << 13)
#define RT5677_GPIO5_P_MASK (0x1 << 12)
#define RT5677_GPIO5_P_SFT 12
#define RT5677_GPIO5_P_NOR (0x0 << 12)
#define RT5677_GPIO5_P_INV (0x1 << 12)
#define RT5677_GPIO4_DIR_MASK (0x1 << 11)
#define RT5677_GPIO4_DIR_SFT 11
#define RT5677_GPIO4_DIR_IN (0x0 << 11)
#define RT5677_GPIO4_DIR_OUT (0x1 << 11)
#define RT5677_GPIO4_OUT_MASK (0x1 << 10)
#define RT5677_GPIO4_OUT_SFT 10
#define RT5677_GPIO4_OUT_LO (0x0 << 10)
#define RT5677_GPIO4_OUT_HI (0x1 << 10)
#define RT5677_GPIO4_P_MASK (0x1 << 9)
#define RT5677_GPIO4_P_SFT 9
#define RT5677_GPIO4_P_NOR (0x0 << 9)
#define RT5677_GPIO4_P_INV (0x1 << 9)
#define RT5677_GPIO3_DIR_MASK (0x1 << 8)
#define RT5677_GPIO3_DIR_SFT 8
#define RT5677_GPIO3_DIR_IN (0x0 << 8)
#define RT5677_GPIO3_DIR_OUT (0x1 << 8)
#define RT5677_GPIO3_OUT_MASK (0x1 << 7)
#define RT5677_GPIO3_OUT_SFT 7
#define RT5677_GPIO3_OUT_LO (0x0 << 7)
#define RT5677_GPIO3_OUT_HI (0x1 << 7)
#define RT5677_GPIO3_P_MASK (0x1 << 6)
#define RT5677_GPIO3_P_SFT 6
#define RT5677_GPIO3_P_NOR (0x0 << 6)
#define RT5677_GPIO3_P_INV (0x1 << 6)
#define RT5677_GPIO2_DIR_MASK (0x1 << 5)
#define RT5677_GPIO2_DIR_SFT 5
#define RT5677_GPIO2_DIR_IN (0x0 << 5)
#define RT5677_GPIO2_DIR_OUT (0x1 << 5)
#define RT5677_GPIO2_OUT_MASK (0x1 << 4)
#define RT5677_GPIO2_OUT_SFT 4
#define RT5677_GPIO2_OUT_LO (0x0 << 4)
#define RT5677_GPIO2_OUT_HI (0x1 << 4)
#define RT5677_GPIO2_P_MASK (0x1 << 3)
#define RT5677_GPIO2_P_SFT 3
#define RT5677_GPIO2_P_NOR (0x0 << 3)
#define RT5677_GPIO2_P_INV (0x1 << 3)
#define RT5677_GPIO1_DIR_MASK (0x1 << 2)
#define RT5677_GPIO1_DIR_SFT 2
#define RT5677_GPIO1_DIR_IN (0x0 << 2)
#define RT5677_GPIO1_DIR_OUT (0x1 << 2)
#define RT5677_GPIO1_OUT_MASK (0x1 << 1)
#define RT5677_GPIO1_OUT_SFT 1
#define RT5677_GPIO1_OUT_LO (0x0 << 1)
#define RT5677_GPIO1_OUT_HI (0x1 << 1)
#define RT5677_GPIO1_P_MASK (0x1 << 0)
#define RT5677_GPIO1_P_SFT 0
#define RT5677_GPIO1_P_NOR (0x0 << 0)
#define RT5677_GPIO1_P_INV (0x1 << 0)
/* GPIO Control 3 (0xc2) */
#define RT5677_GPIO6_DIR_MASK (0x1 << 2)
#define RT5677_GPIO6_DIR_SFT 2
#define RT5677_GPIO6_DIR_IN (0x0 << 2)
#define RT5677_GPIO6_DIR_OUT (0x1 << 2)
#define RT5677_GPIO6_OUT_MASK (0x1 << 1)
#define RT5677_GPIO6_OUT_SFT 1
#define RT5677_GPIO6_OUT_LO (0x0 << 1)
#define RT5677_GPIO6_OUT_HI (0x1 << 1)
#define RT5677_GPIO6_P_MASK (0x1 << 0)
#define RT5677_GPIO6_P_SFT 0
#define RT5677_GPIO6_P_NOR (0x0 << 0)
#define RT5677_GPIO6_P_INV (0x1 << 0)
/* Virtual DSP Mixer Control (0xf7 0xf8 0xf9) */
#define RT5677_DSP_IB_01_H (0x1 << 15)
@ -1428,6 +1527,16 @@ enum {
RT5677_AIFS,
};
enum {
RT5677_GPIO1,
RT5677_GPIO2,
RT5677_GPIO3,
RT5677_GPIO4,
RT5677_GPIO5,
RT5677_GPIO6,
RT5677_GPIO_NUM,
};
struct rt5677_priv {
struct snd_soc_codec *codec;
struct rt5677_platform_data pdata;
@ -1441,6 +1550,9 @@ struct rt5677_priv {
int pll_src;
int pll_in;
int pll_out;
#ifdef CONFIG_GPIOLIB
struct gpio_chip gpio_chip;
#endif
};
#endif /* __RT5677_H__ */