summaryrefslogtreecommitdiff
path: root/include/linux/soundwire/sdw.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/soundwire/sdw.h')
-rw-r--r--include/linux/soundwire/sdw.h33
1 files changed, 19 insertions, 14 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 9c27a32df9bb..76052f12c9f7 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -88,10 +88,10 @@ enum sdw_slave_status {
* @SDW_CLK_POST_DEPREPARE: post clock stop de-prepare
*/
enum sdw_clk_stop_type {
- SDW_CLK_PRE_PREPARE = 0,
- SDW_CLK_POST_PREPARE,
- SDW_CLK_PRE_DEPREPARE,
- SDW_CLK_POST_DEPREPARE,
+ SDW_CLK_PRE_PREPARE = 0,
+ SDW_CLK_POST_PREPARE,
+ SDW_CLK_PRE_DEPREPARE,
+ SDW_CLK_POST_DEPREPARE,
};
/**
@@ -152,19 +152,19 @@ enum sdw_data_direction {
*
* @SDW_PORT_DATA_MODE_NORMAL: Normal data mode where audio data is received
* and transmitted.
+ * @SDW_PORT_DATA_MODE_PRBS: Test mode which uses a PRBS generator to produce
+ * a pseudo random data pattern that is transferred
+ * @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_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_PRBS = 1,
SDW_PORT_DATA_MODE_STATIC_0 = 2,
- SDW_PORT_DATA_MODE_PRBS = 3,
+ SDW_PORT_DATA_MODE_STATIC_1 = 3,
};
/*
@@ -426,8 +426,7 @@ int sdw_slave_read_prop(struct sdw_slave *slave);
* struct sdw_slave_id - Slave ID
* @mfg_id: MIPI Manufacturer ID
* @part_id: Device Part ID
- * @class_id: MIPI Class ID, unused now.
- * Currently a placeholder in MIPI SoundWire Spec
+ * @class_id: MIPI Class ID (defined starting with SoundWire 1.2 spec)
* @unique_id: Device unique ID
* @sdw_version: SDW version implemented
*
@@ -659,10 +658,14 @@ struct sdw_driver {
struct device_driver driver;
};
-#define SDW_SLAVE_ENTRY(_mfg_id, _part_id, _drv_data) \
- { .mfg_id = (_mfg_id), .part_id = (_part_id), \
+#define SDW_SLAVE_ENTRY_EXT(_mfg_id, _part_id, _version, _c_id, _drv_data) \
+ { .mfg_id = (_mfg_id), .part_id = (_part_id), \
+ .sdw_version = (_version), .class_id = (_c_id), \
.driver_data = (unsigned long)(_drv_data) }
+#define SDW_SLAVE_ENTRY(_mfg_id, _part_id, _drv_data) \
+ SDW_SLAVE_ENTRY_EXT((_mfg_id), (_part_id), 0, 0, (_drv_data))
+
int sdw_handle_slave_status(struct sdw_bus *bus,
enum sdw_slave_status status[]);
@@ -952,10 +955,12 @@ int sdw_stream_remove_master(struct sdw_bus *bus,
struct sdw_stream_runtime *stream);
int sdw_stream_remove_slave(struct sdw_slave *slave,
struct sdw_stream_runtime *stream);
+int sdw_startup_stream(void *sdw_substream);
int sdw_prepare_stream(struct sdw_stream_runtime *stream);
int sdw_enable_stream(struct sdw_stream_runtime *stream);
int sdw_disable_stream(struct sdw_stream_runtime *stream);
int sdw_deprepare_stream(struct sdw_stream_runtime *stream);
+void sdw_shutdown_stream(void *sdw_substream);
int sdw_bus_prep_clk_stop(struct sdw_bus *bus);
int sdw_bus_clk_stop(struct sdw_bus *bus);
int sdw_bus_exit_clk_stop(struct sdw_bus *bus);