diff options
author | Bard Liao <bardliao@realtek.com> | 2014-08-27 19:50:34 +0800 |
---|---|---|
committer | Mark Brown <broonie@linaro.org> | 2014-08-27 16:54:39 +0100 |
commit | 2d15d974618db4ed3adafe9b9fe092db0f5076a0 (patch) | |
tree | 84ca905ad250ba754c5af565efa9da180ab6e3bc | |
parent | 7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9 (diff) | |
download | linux-2d15d974618db4ed3adafe9b9fe092db0f5076a0.tar.bz2 |
ASoC: rt5677: Add DMIC2 clock selection
There are two pins can be used for rt5677's DMIC2 clock. This patch
add the select options for it.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
-rw-r--r-- | include/sound/rt5677.h | 8 | ||||
-rw-r--r-- | sound/soc/codecs/rt5677.c | 57 | ||||
-rw-r--r-- | sound/soc/codecs/rt5677.h | 10 |
3 files changed, 67 insertions, 8 deletions
diff --git a/include/sound/rt5677.h b/include/sound/rt5677.h index 3da14313bcfc..a676717f74f4 100644 --- a/include/sound/rt5677.h +++ b/include/sound/rt5677.h @@ -12,10 +12,18 @@ #ifndef __LINUX_SND_RT5677_H #define __LINUX_SND_RT5677_H +enum rt5677_dmic2_clk { + RT5677_DMIC_CLK1 = 0, + RT5677_DMIC_CLK2 = 1, +}; + + struct rt5677_platform_data { /* IN1 IN2 can optionally be differential */ bool in1_diff; bool in2_diff; + /* DMIC2 clock source selection */ + enum rt5677_dmic2_clk dmic2_clk_pin; }; #endif diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index 67f14556462f..f0b751bf1d6c 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -1700,14 +1700,19 @@ 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), @@ -2130,6 +2135,13 @@ 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" }, @@ -2793,6 +2805,16 @@ 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) { @@ -3144,6 +3166,16 @@ static int rt5677_probe(struct snd_soc_codec *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); @@ -3381,6 +3413,15 @@ 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.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); + } + return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5677, rt5677_dai, ARRAY_SIZE(rt5677_dai)); } diff --git a/sound/soc/codecs/rt5677.h b/sound/soc/codecs/rt5677.h index 863393e62096..8791ab9637f3 100644 --- a/sound/soc/codecs/rt5677.h +++ b/sound/soc/codecs/rt5677.h @@ -1363,6 +1363,11 @@ #define RT5677_SEL_SRC_IB01 (0x1 << 0) #define RT5677_SEL_SRC_IB01_SFT 0 +/* GPIO Control 2 (0xc1) */ +#define RT5677_GPIO5_DIR_MASK (0x1 << 14) +#define RT5677_GPIO5_DIR_IN (0x0 << 14) +#define RT5677_GPIO5_DIR_OUT (0x1 << 14) + /* Virtual DSP Mixer Control (0xf7 0xf8 0xf9) */ #define RT5677_DSP_IB_01_H (0x1 << 15) #define RT5677_DSP_IB_01_H_SFT 15 @@ -1393,6 +1398,11 @@ #define RT5677_DSP_IB_9_L (0x1 << 1) #define RT5677_DSP_IB_9_L_SFT 1 +/* General Control2 (0xfc)*/ +#define RT5677_GPIO5_FUNC_MASK (0x1 << 9) +#define RT5677_GPIO5_FUNC_GPIO (0x0 << 9) +#define RT5677_GPIO5_FUNC_DMIC (0x1 << 9) + /* System Clock Source */ enum { RT5677_SCLK_S_MCLK, |