mfd: cros_ec: Add commands to control codec (c1f3375b) · Commits · e / devices / android_kernel_fairphone_FP5

include/linux/mfd/cros_ec_commands.h

+94 −0

Original line number	Diff line number	Diff line
		@@ -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 */