soundwire: add port-related definitions (8242c593) · Commits · 戴 / test

include/linux/soundwire/sdw.h

+53 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,31 @@ struct sdw_slave;
		#define SDW_DAI_ID_RANGE_START 100
		#define SDW_DAI_ID_RANGE_END 200

		enum {
		SDW_PORT_DIRN_SINK = 0,
		SDW_PORT_DIRN_SOURCE,
		SDW_PORT_DIRN_MAX,
		};

		/*
		* constants for flow control, ports and transport
		*
		* these are bit masks as devices can have multiple capabilities
		*/

		/*
		* flow modes for SDW port. These can be isochronous, tx controlled,
		* rx controlled or async
		*/
		#define SDW_PORT_FLOW_MODE_ISOCH 0
		#define SDW_PORT_FLOW_MODE_TX_CNTRL BIT(0)
		#define SDW_PORT_FLOW_MODE_RX_CNTRL BIT(1)
		#define SDW_PORT_FLOW_MODE_ASYNC GENMASK(1, 0)

		/* sample packaging for block. It can be per port or per channel */
		#define SDW_BLOCK_PACKG_PER_PORT BIT(0)
		#define SDW_BLOCK_PACKG_PER_CH BIT(1)

		/**
		* enum sdw_slave_status - Slave status
		* @SDW_SLAVE_UNATTACHED: Slave is not attached with the bus.
		@@ -76,6 +101,14 @@ enum sdw_command_response {
		SDW_CMD_FAIL_OTHER = 4,
		};

		/* block group count enum */
		enum sdw_dpn_grouping {
		SDW_BLK_GRP_CNT_1 = 0,
		SDW_BLK_GRP_CNT_2 = 1,
		SDW_BLK_GRP_CNT_3 = 2,
		SDW_BLK_GRP_CNT_4 = 3,
		};

		/**
		* enum sdw_stream_type: data stream type
		*
		@@ -100,6 +133,26 @@ enum sdw_data_direction {
		SDW_DATA_DIR_TX = 1,
		};

		/**
		* enum sdw_port_data_mode: Data Port mode
		*
		* @SDW_PORT_DATA_MODE_NORMAL: Normal data mode where audio data is received
		* and transmitted.
		* @SDW_PORT_DATA_MODE_STATIC_1: Simple test mode which uses static value of
		* logic 1. The encoding will result in signal transitions at every bitslot
		* owned by this Port
		* @SDW_PORT_DATA_MODE_STATIC_0: Simple test mode which uses static value of
		* logic 0. The encoding will result in no signal transitions
		* @SDW_PORT_DATA_MODE_PRBS: Test mode which uses a PRBS generator to produce
		* a pseudo random data pattern that is transferred
		*/
		enum sdw_port_data_mode {
		SDW_PORT_DATA_MODE_NORMAL = 0,
		SDW_PORT_DATA_MODE_STATIC_1 = 1,
		SDW_PORT_DATA_MODE_STATIC_0 = 2,
		SDW_PORT_DATA_MODE_PRBS = 3,
		};

		/*
		* SDW properties, defined in MIPI DisCo spec v1.0
		*/

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