Commit c1f3375b authored by Cheng-Yi Chiang's avatar Cheng-Yi Chiang Committed by Lee Jones
Browse files

mfd: cros_ec: Add commands to control codec



Add EC host commands to control codec on EC.
Signed-off-by: default avatarCheng-Yi Chiang <cychiang@chromium.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 4bcb83e0
......@@ -2790,6 +2790,100 @@ struct ec_response_battery_vendor_param {
uint32_t value;
} __packed;
/*****************************************************************************/
/* Commands for I2S recording on audio codec. */
#define EC_CMD_CODEC_I2S 0x00BC
enum ec_codec_i2s_subcmd {
EC_CODEC_SET_SAMPLE_DEPTH = 0x0,
EC_CODEC_SET_GAIN = 0x1,
EC_CODEC_GET_GAIN = 0x2,
EC_CODEC_I2S_ENABLE = 0x3,
EC_CODEC_I2S_SET_CONFIG = 0x4,
EC_CODEC_I2S_SET_TDM_CONFIG = 0x5,
EC_CODEC_I2S_SET_BCLK = 0x6,
};
enum ec_sample_depth_value {
EC_CODEC_SAMPLE_DEPTH_16 = 0,
EC_CODEC_SAMPLE_DEPTH_24 = 1,
};
enum ec_i2s_config {
EC_DAI_FMT_I2S = 0,
EC_DAI_FMT_RIGHT_J = 1,
EC_DAI_FMT_LEFT_J = 2,
EC_DAI_FMT_PCM_A = 3,
EC_DAI_FMT_PCM_B = 4,
EC_DAI_FMT_PCM_TDM = 5,
};
struct ec_param_codec_i2s {
/*
* enum ec_codec_i2s_subcmd
*/
uint8_t cmd;
union {
/*
* EC_CODEC_SET_SAMPLE_DEPTH
* Value should be one of ec_sample_depth_value.
*/
uint8_t depth;
/*
* EC_CODEC_SET_GAIN
* Value should be 0~43 for both channels.
*/
struct ec_param_codec_i2s_set_gain {
uint8_t left;
uint8_t right;
} __packed gain;
/*
* EC_CODEC_I2S_ENABLE
* 1 to enable, 0 to disable.
*/
uint8_t i2s_enable;
/*
* EC_CODEC_I2S_SET_COFNIG
* Value should be one of ec_i2s_config.
*/
uint8_t i2s_config;
/*
* EC_CODEC_I2S_SET_TDM_CONFIG
* Value should be one of ec_i2s_config.
*/
struct ec_param_codec_i2s_tdm {
/*
* 0 to 496
*/
int16_t ch0_delay;
/*
* -1 to 496
*/
int16_t ch1_delay;
uint8_t adjacent_to_ch0;
uint8_t adjacent_to_ch1;
} __packed tdm_param;
/*
* EC_CODEC_I2S_SET_BCLK
*/
uint32_t bclk;
};
} __packed;
/*
* For subcommand EC_CODEC_GET_GAIN.
*/
struct ec_response_codec_gain {
uint8_t left;
uint8_t right;
} __packed;
/*****************************************************************************/
/* System commands */
......
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