diff options
Diffstat (limited to 'sound/soc/codecs/rt5677.c')
| -rw-r--r-- | sound/soc/codecs/rt5677.c | 327 |
1 files changed, 319 insertions, 8 deletions
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index 5337c448b5e3..16aa4d99a713 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -15,10 +15,12 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> +#include <linux/of_gpio.h> #include <linux/regmap.h> #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> @@ -540,6 +542,7 @@ static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0); static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0); static const DECLARE_TLV_DB_SCALE(adc_bst_tlv, 0, 1200, 0); +static const DECLARE_TLV_DB_SCALE(st_vol_tlv, -4650, 150, 0); /* {0, +20, +24, +30, +35, +40, +44, +50, +52} dB */ static unsigned int bst_tlv[] = { @@ -604,6 +607,10 @@ static const struct snd_kcontrol_new rt5677_snd_controls[] = { RT5677_MONO_ADC_L_VOL_SFT, RT5677_MONO_ADC_R_VOL_SFT, 127, 0, adc_vol_tlv), + /* Sidetone Control */ + SOC_SINGLE_TLV("Sidetone Volume", RT5677_SIDETONE_CTRL, + RT5677_ST_VOL_SFT, 31, 0, st_vol_tlv), + /* ADC Boost Volume Control */ SOC_DOUBLE_TLV("STO1 ADC Boost Volume", RT5677_STO1_2_ADC_BST, RT5677_STO1_ADC_L_BST_SFT, RT5677_STO1_ADC_R_BST_SFT, 3, 0, @@ -1700,14 +1707,19 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = { SND_SOC_DAPM_INPUT("Haptic Generator"), - SND_SOC_DAPM_PGA("DMIC1", RT5677_DMIC_CTRL1, RT5677_DMIC_1_EN_SFT, 0, - NULL, 0), - SND_SOC_DAPM_PGA("DMIC2", RT5677_DMIC_CTRL1, RT5677_DMIC_2_EN_SFT, 0, - NULL, 0), - SND_SOC_DAPM_PGA("DMIC3", RT5677_DMIC_CTRL1, RT5677_DMIC_3_EN_SFT, 0, - NULL, 0), - SND_SOC_DAPM_PGA("DMIC4", RT5677_DMIC_CTRL2, RT5677_DMIC_4_EN_SFT, 0, - NULL, 0), + SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("DMIC3", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("DMIC4", SND_SOC_NOPM, 0, 0, NULL, 0), + + SND_SOC_DAPM_SUPPLY("DMIC1 power", RT5677_DMIC_CTRL1, + RT5677_DMIC_1_EN_SFT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("DMIC2 power", RT5677_DMIC_CTRL1, + RT5677_DMIC_2_EN_SFT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("DMIC3 power", RT5677_DMIC_CTRL1, + RT5677_DMIC_3_EN_SFT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("DMIC4 power", RT5677_DMIC_CTRL2, + RT5677_DMIC_4_EN_SFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0, set_dmic_clk, SND_SOC_DAPM_PRE_PMU), @@ -1987,6 +1999,9 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = { /* Sidetone Mux */ SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0, &rt5677_sidetone_mux), + SND_SOC_DAPM_SUPPLY("Sidetone Power", RT5677_SIDETONE_CTRL, + RT5677_ST_EN_SFT, 0, NULL, 0), + /* VAD Mux*/ SND_SOC_DAPM_MUX("VAD ADC Mux", SND_SOC_NOPM, 0, 0, &rt5677_vad_src_mux), @@ -2130,6 +2145,13 @@ static const struct snd_soc_dapm_route rt5677_dapm_routes[] = { { "DMIC L4", NULL, "DMIC CLK" }, { "DMIC R4", NULL, "DMIC CLK" }, + { "DMIC L1", NULL, "DMIC1 power" }, + { "DMIC R1", NULL, "DMIC1 power" }, + { "DMIC L3", NULL, "DMIC3 power" }, + { "DMIC R3", NULL, "DMIC3 power" }, + { "DMIC L4", NULL, "DMIC4 power" }, + { "DMIC R4", NULL, "DMIC4 power" }, + { "BST1", NULL, "IN1P" }, { "BST1", NULL, "IN1N" }, { "BST2", NULL, "IN2P" }, @@ -2691,6 +2713,7 @@ static const struct snd_soc_dapm_route rt5677_dapm_routes[] = { { "Sidetone Mux", "DMIC4 L", "DMIC L4" }, { "Sidetone Mux", "ADC1", "ADC 1" }, { "Sidetone Mux", "ADC2", "ADC 2" }, + { "Sidetone Mux", NULL, "Sidetone Power" }, { "Stereo DAC MIXL", "ST L Switch", "Sidetone Mux" }, { "Stereo DAC MIXL", "DAC1 L Switch", "DAC1 MIXL" }, @@ -2793,6 +2816,16 @@ static const struct snd_soc_dapm_route rt5677_dapm_routes[] = { { "PDM2R", NULL, "PDM2 R Mux" }, }; +static const struct snd_soc_dapm_route rt5677_dmic2_clk_1[] = { + { "DMIC L2", NULL, "DMIC1 power" }, + { "DMIC R2", NULL, "DMIC1 power" }, +}; + +static const struct snd_soc_dapm_route rt5677_dmic2_clk_2[] = { + { "DMIC L2", NULL, "DMIC2 power" }, + { "DMIC R2", NULL, "DMIC2 power" }, +}; + static int rt5677_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { @@ -3084,6 +3117,59 @@ static int rt5677_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, return 0; } +static int rt5677_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int slot_width) +{ + struct snd_soc_codec *codec = dai->codec; + unsigned int val = 0; + + if (rx_mask || tx_mask) + val |= (1 << 12); + + switch (slots) { + case 4: + val |= (1 << 10); + break; + case 6: + val |= (2 << 10); + break; + case 8: + val |= (3 << 10); + break; + case 2: + default: + break; + } + + switch (slot_width) { + case 20: + val |= (1 << 8); + break; + case 24: + val |= (2 << 8); + break; + case 32: + val |= (3 << 8); + break; + case 16: + default: + break; + } + + switch (dai->id) { + case RT5677_AIF1: + snd_soc_update_bits(codec, RT5677_TDM1_CTRL1, 0x1f00, val); + break; + case RT5677_AIF2: + snd_soc_update_bits(codec, RT5677_TDM2_CTRL1, 0x1f00, val); + break; + default: + break; + } + + return 0; +} + static int rt5677_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { @@ -3138,12 +3224,148 @@ 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); + + gpiochip_remove(&rt5677->gpio_chip); +} +#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); rt5677->codec = codec; + if (rt5677->pdata.dmic2_clk_pin == RT5677_DMIC_CLK2) { + snd_soc_dapm_add_routes(&codec->dapm, + rt5677_dmic2_clk_2, + ARRAY_SIZE(rt5677_dmic2_clk_2)); + } else { /*use dmic1 clock by default*/ + snd_soc_dapm_add_routes(&codec->dapm, + rt5677_dmic2_clk_1, + ARRAY_SIZE(rt5677_dmic2_clk_1)); + } + rt5677_set_bias_level(codec, SND_SOC_BIAS_OFF); regmap_write(rt5677->regmap, RT5677_DIG_MISC, 0x0020); @@ -3157,6 +3379,8 @@ static int rt5677_remove(struct snd_soc_codec *codec) struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec); regmap_write(rt5677->regmap, RT5677_RESET, 0x10ec); + if (gpio_is_valid(rt5677->pow_ldo2)) + gpio_set_value_cansleep(rt5677->pow_ldo2, 0); return 0; } @@ -3168,6 +3392,8 @@ static int rt5677_suspend(struct snd_soc_codec *codec) regcache_cache_only(rt5677->regmap, true); regcache_mark_dirty(rt5677->regmap); + if (gpio_is_valid(rt5677->pow_ldo2)) + gpio_set_value_cansleep(rt5677->pow_ldo2, 0); return 0; } @@ -3176,6 +3402,10 @@ static int rt5677_resume(struct snd_soc_codec *codec) { struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec); + if (gpio_is_valid(rt5677->pow_ldo2)) { + gpio_set_value_cansleep(rt5677->pow_ldo2, 1); + msleep(10); + } regcache_cache_only(rt5677->regmap, false); regcache_sync(rt5677->regmap); @@ -3195,6 +3425,7 @@ static struct snd_soc_dai_ops rt5677_aif_dai_ops = { .set_fmt = rt5677_set_dai_fmt, .set_sysclk = rt5677_set_dai_sysclk, .set_pll = rt5677_set_dai_pll, + .set_tdm_slot = rt5677_set_tdm_slot, }; static struct snd_soc_dai_driver rt5677_dai[] = { @@ -3333,6 +3564,35 @@ static const struct i2c_device_id rt5677_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, rt5677_i2c_id); +static int rt5677_parse_dt(struct rt5677_priv *rt5677, struct device_node *np) +{ + rt5677->pdata.in1_diff = of_property_read_bool(np, + "realtek,in1-differential"); + rt5677->pdata.in2_diff = of_property_read_bool(np, + "realtek,in2-differential"); + rt5677->pdata.lout1_diff = of_property_read_bool(np, + "realtek,lout1-differential"); + rt5677->pdata.lout2_diff = of_property_read_bool(np, + "realtek,lout2-differential"); + rt5677->pdata.lout3_diff = of_property_read_bool(np, + "realtek,lout3-differential"); + + rt5677->pow_ldo2 = of_get_named_gpio(np, + "realtek,pow-ldo2-gpio", 0); + + /* + * POW_LDO2 is optional (it may be statically tied on the board). + * -ENOENT means that the property doesn't exist, i.e. there is no + * GPIO, so is not an error. Any other error code means the property + * exists, but could not be parsed. + */ + if (!gpio_is_valid(rt5677->pow_ldo2) && + (rt5677->pow_ldo2 != -ENOENT)) + return rt5677->pow_ldo2; + + return 0; +} + static int rt5677_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -3351,6 +3611,33 @@ static int rt5677_i2c_probe(struct i2c_client *i2c, if (pdata) rt5677->pdata = *pdata; + if (i2c->dev.of_node) { + ret = rt5677_parse_dt(rt5677, i2c->dev.of_node); + if (ret) { + dev_err(&i2c->dev, "Failed to parse device tree: %d\n", + ret); + return ret; + } + } else { + rt5677->pow_ldo2 = -EINVAL; + } + + if (gpio_is_valid(rt5677->pow_ldo2)) { + ret = devm_gpio_request_one(&i2c->dev, rt5677->pow_ldo2, + GPIOF_OUT_INIT_HIGH, + "RT5677 POW_LDO2"); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to request POW_LDO2 %d: %d\n", + rt5677->pow_ldo2, ret); + return ret; + } + /* Wait a while until I2C bus becomes available. The datasheet + * does not specify the exact we should wait but startup + * sequence mentiones at least a few milliseconds. + */ + msleep(10); + } + rt5677->regmap = devm_regmap_init_i2c(i2c, &rt5677_regmap); if (IS_ERR(rt5677->regmap)) { ret = PTR_ERR(rt5677->regmap); @@ -3381,6 +3668,29 @@ static int rt5677_i2c_probe(struct i2c_client *i2c, regmap_update_bits(rt5677->regmap, RT5677_IN1, RT5677_IN_DF2, RT5677_IN_DF2); + if (rt5677->pdata.lout1_diff) + regmap_update_bits(rt5677->regmap, RT5677_LOUT1, + RT5677_LOUT1_L_DF, RT5677_LOUT1_L_DF); + + if (rt5677->pdata.lout2_diff) + regmap_update_bits(rt5677->regmap, RT5677_LOUT1, + RT5677_LOUT2_L_DF, RT5677_LOUT2_L_DF); + + if (rt5677->pdata.lout3_diff) + regmap_update_bits(rt5677->regmap, RT5677_LOUT1, + RT5677_LOUT3_L_DF, RT5677_LOUT3_L_DF); + + if (rt5677->pdata.dmic2_clk_pin == RT5677_DMIC_CLK2) { + regmap_update_bits(rt5677->regmap, RT5677_GEN_CTRL2, + RT5677_GPIO5_FUNC_MASK, + RT5677_GPIO5_FUNC_DMIC); + regmap_update_bits(rt5677->regmap, RT5677_GPIO_CTRL2, + RT5677_GPIO5_DIR_MASK, + 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)); } @@ -3388,6 +3698,7 @@ 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; } |