summaryrefslogtreecommitdiffstats
path: root/include/linux/soundwire
diff options
context:
space:
mode:
authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2019-05-22 14:47:19 -0500
committerVinod Koul <vkoul@kernel.org>2019-05-27 10:52:59 +0530
commit8242c59315b7b40ac97e1274d715665569992ff4 (patch)
tree9a0748e6cbacf6f9d252b455c36718457e17ddf1 /include/linux/soundwire
parenteadc0049e1ac391a4ffccac34cc4ccd2afebb48b (diff)
downloadlinux-8242c59315b7b40ac97e1274d715665569992ff4.tar.gz
linux-8242c59315b7b40ac97e1274d715665569992ff4.tar.bz2
linux-8242c59315b7b40ac97e1274d715665569992ff4.zip
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 <pierre-louis.bossart@linux.intel.com> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/linux/soundwire')
-rw-r--r--include/linux/soundwire/sdw.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 35662d9c2c62..69ae680a5a21 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
*/