diff options
Diffstat (limited to 'drivers/soundwire/bus.h')
| -rw-r--r-- | drivers/soundwire/bus.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/soundwire/bus.h b/drivers/soundwire/bus.h index fda6b24ac2da..02651fbb683a 100644 --- a/drivers/soundwire/bus.h +++ b/drivers/soundwire/bus.h @@ -72,6 +72,24 @@ struct sdw_msg { bool page; }; +/** + * struct sdw_btp_msg - Message structure + * @addr: Start Register address accessed in the Slave + * @len: number of bytes to transfer. More than 64Kb can be transferred + * but a practical limit of SDW_BPT_MSG_MAX_BYTES is enforced. + * @dev_num: Slave device number + * @flags: transfer flags, indicate if xfer is read or write + * @buf: message data buffer (filled by host for write, filled + * by Peripheral hardware for reads) + */ +struct sdw_bpt_msg { + u32 addr; + u32 len; + u8 dev_num; + u8 flags; + u8 *buf; +}; + #define SDW_DOUBLE_RATE_FACTOR 2 #define SDW_STRM_RATE_GROUPING 1 @@ -90,6 +108,7 @@ int sdw_find_col_index(int col); * @transport_params: Transport parameters * @port_params: Port parameters * @port_node: List node for Master or Slave port_list + * @lane: Which lane is used * * SoundWire spec has no mention of ports for Master interface but the * concept is logically extended. @@ -100,6 +119,7 @@ struct sdw_port_runtime { struct sdw_transport_params transport_params; struct sdw_port_params port_params; struct list_head port_node; + unsigned int lane; }; /** @@ -149,6 +169,7 @@ struct sdw_transport_data { int hstop; int block_offset; int sub_block_offset; + unsigned int lane; }; struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave, |