platform/chrome: cros_ec: add common commands for EC codec (104c6f8f) · Commits · 戴 / test

drivers/platform/chrome/cros_ec_trace.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -98,6 +98,7 @@
		TRACE_SYMBOL(EC_CMD_SB_READ_BLOCK), \
		TRACE_SYMBOL(EC_CMD_SB_WRITE_BLOCK), \
		TRACE_SYMBOL(EC_CMD_BATTERY_VENDOR_PARAM), \
		TRACE_SYMBOL(EC_CMD_EC_CODEC), \
		TRACE_SYMBOL(EC_CMD_EC_CODEC_DMIC), \
		TRACE_SYMBOL(EC_CMD_EC_CODEC_I2S_RX), \
		TRACE_SYMBOL(EC_CMD_REBOOT_EC), \

include/linux/platform_data/cros_ec_commands.h

+62 −2

Original line number	Diff line number	Diff line
		@@ -4466,8 +4466,68 @@ enum mkbp_cec_event {

		/*****************************************************************************/

		/* Commands for audio codec. */
		#define EC_CMD_EC_CODEC 0x00BC

		enum ec_codec_subcmd {
		EC_CODEC_GET_CAPABILITIES = 0x0,
		EC_CODEC_GET_SHM_ADDR = 0x1,
		EC_CODEC_SET_SHM_ADDR = 0x2,
		EC_CODEC_SUBCMD_COUNT,
		};

		enum ec_codec_cap {
		EC_CODEC_CAP_LAST = 32,
		};

		enum ec_codec_shm_id {
		EC_CODEC_SHM_ID_LAST,
		};

		enum ec_codec_shm_type {
		EC_CODEC_SHM_TYPE_EC_RAM = 0x0,
		EC_CODEC_SHM_TYPE_SYSTEM_RAM = 0x1,
		};

		struct __ec_align1 ec_param_ec_codec_get_shm_addr {
		uint8_t shm_id;
		uint8_t reserved[3];
		};

		struct __ec_align4 ec_param_ec_codec_set_shm_addr {
		uint64_t phys_addr;
		uint32_t len;
		uint8_t shm_id;
		uint8_t reserved[3];
		};

		struct __ec_align4 ec_param_ec_codec {
		uint8_t cmd; /* enum ec_codec_subcmd */
		uint8_t reserved[3];

		union {
		struct ec_param_ec_codec_get_shm_addr
		get_shm_addr_param;
		struct ec_param_ec_codec_set_shm_addr
		set_shm_addr_param;
		};
		};

		struct __ec_align4 ec_response_ec_codec_get_capabilities {
		uint32_t capabilities;
		};

		struct __ec_align4 ec_response_ec_codec_get_shm_addr {
		uint64_t phys_addr;
		uint32_t len;
		uint8_t type;
		uint8_t reserved[3];
		};

		/*****************************************************************************/

		/* Commands for DMIC on audio codec. */
		#define EC_CMD_EC_CODEC_DMIC 0x00BC
		#define EC_CMD_EC_CODEC_DMIC 0x00BD

		enum ec_codec_dmic_subcmd {
		EC_CODEC_DMIC_SET_GAIN = 0x0,
		@@ -4500,7 +4560,7 @@ struct __ec_align1 ec_response_ec_codec_dmic_get_gain {

		/* Commands for I2S RX on audio codec. */

		#define EC_CMD_EC_CODEC_I2S_RX 0x00BD
		#define EC_CMD_EC_CODEC_I2S_RX 0x00BE

		enum ec_codec_i2s_rx_subcmd {
		EC_CODEC_I2S_RX_ENABLE = 0x0,

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