The patch adds the GPIO function.
Signed-off-by: Oder Chiou oder_chiou@realtek.com --- sound/soc/codecs/rt5677.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/rt5677.h | 112 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 245 insertions(+)
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index f0b751b..02bc8bd 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -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; } diff --git a/sound/soc/codecs/rt5677.h b/sound/soc/codecs/rt5677.h index a334eb6..b61b72c 100644 --- a/sound/soc/codecs/rt5677.h +++ b/sound/soc/codecs/rt5677.h @@ -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__ */