Add i2s clock control for codec master mode.
Signed-off-by: Bard Liao bardliao@realtek.com --- sound/soc/codecs/rt5665.c | 24 +++++++++++++++++++++++- sound/soc/codecs/rt5665.h | 21 +++++++++++++++++++++ 2 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/rt5665.c b/sound/soc/codecs/rt5665.c index d3103ef..ef27561 100644 --- a/sound/soc/codecs/rt5665.c +++ b/sound/soc/codecs/rt5665.c @@ -4186,6 +4186,15 @@ static int rt5665_hw_params(struct snd_pcm_substream *substream, break; }
+ if (rt5665->master[RT5665_AIF2_1] || rt5665->master[RT5665_AIF2_2]) { + snd_soc_update_bits(codec, RT5665_I2S_M_CLK_CTRL_1, + RT5665_I2S2_M_PD_MASK, pre_div << RT5665_I2S2_M_PD_SFT); + } + if (rt5665->master[RT5665_AIF3]) { + snd_soc_update_bits(codec, RT5665_I2S_M_CLK_CTRL_1, + RT5665_I2S3_M_PD_MASK, pre_div << RT5665_I2S3_M_PD_SFT); + } + return 0; }
@@ -4262,7 +4271,7 @@ static int rt5665_set_codec_sysclk(struct snd_soc_codec *codec, int clk_id, int source, unsigned int freq, int dir) { struct rt5665_priv *rt5665 = snd_soc_codec_get_drvdata(codec); - unsigned int reg_val = 0; + unsigned int reg_val = 0, src = 0;
if (freq == rt5665->sysclk && clk_id == rt5665->sysclk_src) return 0; @@ -4270,12 +4279,15 @@ static int rt5665_set_codec_sysclk(struct snd_soc_codec *codec, int clk_id, switch (clk_id) { case RT5665_SCLK_S_MCLK: reg_val |= RT5665_SCLK_SRC_MCLK; + src = RT5665_CLK_SRC_MCLK; break; case RT5665_SCLK_S_PLL1: reg_val |= RT5665_SCLK_SRC_PLL1; + src = RT5665_CLK_SRC_PLL1; break; case RT5665_SCLK_S_RCCLK: reg_val |= RT5665_SCLK_SRC_RCCLK; + src = RT5665_CLK_SRC_RCCLK; break; default: dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id); @@ -4283,6 +4295,16 @@ static int rt5665_set_codec_sysclk(struct snd_soc_codec *codec, int clk_id, } snd_soc_update_bits(codec, RT5665_GLB_CLK, RT5665_SCLK_SRC_MASK, reg_val); + + if (rt5665->master[RT5665_AIF2_1] || rt5665->master[RT5665_AIF2_2]) { + snd_soc_update_bits(codec, RT5665_I2S_M_CLK_CTRL_1, + RT5665_I2S2_SRC_MASK, src << RT5665_I2S2_SRC_SFT); + } + if (rt5665->master[RT5665_AIF3]) { + snd_soc_update_bits(codec, RT5665_I2S_M_CLK_CTRL_1, + RT5665_I2S3_SRC_MASK, src << RT5665_I2S3_SRC_SFT); + } + rt5665->sysclk = freq; rt5665->sysclk_src = clk_id;
diff --git a/sound/soc/codecs/rt5665.h b/sound/soc/codecs/rt5665.h index d95249c..5ddebd6 100644 --- a/sound/soc/codecs/rt5665.h +++ b/sound/soc/codecs/rt5665.h @@ -1628,6 +1628,27 @@ #define RT5665_PWR_CLK1M_PD (0x0 << 8) #define RT5665_PWR_CLK1M_PU (0x1 << 8)
+/* I2S Master Mode Clock Control 1 (0x00a0) */ +#define RT5665_CLK_SRC_MCLK (0x0) +#define RT5665_CLK_SRC_PLL1 (0x1) +#define RT5665_CLK_SRC_RCCLK (0x2) +#define RT5665_I2S_PD_1 (0x0) +#define RT5665_I2S_PD_2 (0x1) +#define RT5665_I2S_PD_3 (0x2) +#define RT5665_I2S_PD_4 (0x3) +#define RT5665_I2S_PD_6 (0x4) +#define RT5665_I2S_PD_8 (0x5) +#define RT5665_I2S_PD_12 (0x6) +#define RT5665_I2S_PD_16 (0x7) +#define RT5665_I2S2_SRC_MASK (0x3 << 12) +#define RT5665_I2S2_SRC_SFT 12 +#define RT5665_I2S2_M_PD_MASK (0x7 << 8) +#define RT5665_I2S2_M_PD_SFT 8 +#define RT5665_I2S3_SRC_MASK (0x3 << 4) +#define RT5665_I2S3_SRC_SFT 4 +#define RT5665_I2S3_M_PD_MASK (0x7 << 0) +#define RT5665_I2S3_M_PD_SFT 0 +
/* EQ Control 1 (0x00b0) */ #define RT5665_EQ_SRC_DAC (0x0 << 15)