From 8242c59315b7b40ac97e1274d715665569992ff4 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Wed, 22 May 2019 14:47:19 -0500 Subject: [PATCH] soundwire: add port-related definitions Somehow previous header files did not include definition for sink/source, flow and grouping. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Vinod Koul --- include/linux/soundwire/sdw.h | 53 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 35662d9..69ae680 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -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 */ -- 2.7.4