linux/soundwire/sdw.h

1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
62  * flow modes for SDW port. These can be isochronous, tx controlled,
70 /* sample packaging for block. It can be per port or per channel */
75  * enum sdw_slave_status - Slave status
93  * @SDW_CLK_PRE_DEPREPARE: pre clock stop de-prepare
94  * @SDW_CLK_POST_DEPREPARE: post clock stop de-prepare
104  * enum sdw_command_response - Command response as defined by SDW spec
154  * @SDW_DATA_DIR_RX: Data into Port
155  * @SDW_DATA_DIR_TX: Data out of Port
163  * enum sdw_port_data_mode: Data Port mode
173  * owned by this Port
190  * enum sdw_p15_behave - Slave Port 15 behaviour when the Master attempts a
201  * enum sdw_dpn_type - Data port types
202  * @SDW_DPN_FULL: Full Data Port is supported
203  * @SDW_DPN_SIMPLE: Simplified Data Port as defined in spec.
206  * @SDW_DPN_REDUCED: Reduced Data Port as defined in spec.
216  * enum sdw_clk_stop_mode - Clock Stop modes
219  * @SDW_CLK_STOP_MODE1: Slave may have entered a deeper power-saving mode,
228  * struct sdw_dp0_prop - DP0 properties
238  * @imp_def_interrupts: If set, each bit corresponds to support for
239  * implementation-defined interrupts
256  * struct sdw_dpn_audio_mode - Audio mode properties for DPn
288  * struct sdw_dpn_prop - Data Port DPn properties
289  * @num: port number
296  * @type: Data port type. Full, Simplified or Reduced
298  * a full data port
299  * @simple_ch_prep_sm: If the port supports simplified channel prepare state
301  * @ch_prep_timeout: Port-specific timeout value, in milliseconds
302  * @imp_def_interrupts: If set, each bit corresponds to support for
303  * implementation-defined interrupts
311  * @max_async_buffer: Number of samples that this port can buffer in
313  * @block_pack_mode: Type of block port mode supported
344  * struct sdw_slave_prop - SoundWire Slave properties
346  * @wake_capable: Wake-up events are supported
348  * @clk_stop_mode1: Clock-Stop Mode 1 is supported
350  * @clk_stop_timeout: Worst-case latency of the Clock Stop Prepare State
352  * @ch_prep_timeout: Worst-case latency of the Channel Prepare State Machine
355  * state machine (P=1 SCSP_SM) after exit from clock-stop mode1
367  * @dp0_prop: Data Port 0 properties
368  * @src_dpn_prop: Source Data Port N properties
369  * @sink_dpn_prop: Sink Data Port N properties
374  * do not need to set this boolean property as the registers are required.
406  * struct sdw_master_prop - Master properties
408  * @clk_stop_modes: Bitmap, bit N set when clock-stop-modeN supported
421  * @hw_disabled: if true, the Master is not functional, typically due to pin-mux
472  * struct sdw_slave_id - Slave ID
495  * Helper macros to extract the MIPI-defined IDs
524  * struct sdw_slave_intr_status - Slave interrupt status
525  * @sdca_cascade: set if the Slave device reports an SDCA interrupt
526  * @control_port: control port status
527  * @port: data port status
532 	u8 port[15];  member
536  * sdw_reg_bank - SoundWire register banks
561  * struct sdw_prepare_ch: Prepare/De-prepare Data Port channel
563  * @num: Port number
565  * @prepare: Prepare (true) /de-prepare (false) channel
579  * enum sdw_port_prep_ops: Prepare operations for Data Port
581  * @SDW_OPS_PORT_PRE_PREP: Pre prepare operation for the Port
582  * @SDW_OPS_PORT_PRE_DEPREP: Pre deprepare operation for the Port
583  * @SDW_OPS_PORT_POST_PREP: Post prepare operation for the Port
584  * @SDW_OPS_PORT_POST_DEPREP: Post deprepare operation for the Port
598  * set to !curr_bank
629  * @port_prep: Prepare the port with parameters
630  * @clk_stop: handle imp-def sequences before and after prepare and de-prepare
650  * struct sdw_slave - SoundWire Slave
659  * @port_ready: Port ready completion flag for each Slave port
660  * @m_port_map: static Master port map for each Slave port
662  * @dev_num_sticky: one-time static Device Number assigned by Bus
669  * @unattach_request: mask field to keep track why the Slave re-attached and
670  * was re-initialized. This is useful to deal with potential race conditions
707  * struct sdw_master_device - SoundWire 'Master Device' representation
749  * struct sdw_port_params: Data Port parameters
751  * @num: Port number
752  * @bps: Word length of the Port
753  * @flow_mode: Port Data flow mode
756  * This is used to program the Data Port based on Data Port stream
767  * struct sdw_transport_params: Data Port Transport Parameters
769  * @blk_grp_ctrl_valid: Port implements block group control
770  * @num: Port number
777  * @blk_pkg_mode: Block per channel or block per port
778  * @lane_ctrl: Data lane Port uses for Data transfer. Currently only single
781  * This is used to program the Data Port based on Data Port transport
799  * struct sdw_enable_ch: Enable/disable Data Port channel
801  * @num: Port number
813  * driver to set Master Data ports.
815  * @dpn_set_port_params: Set the Port parameters for the Master Port.
817  * @dpn_set_port_transport_params: Set transport parameters for the Master
818  * Port. Mandatory callback
819  * @dpn_port_prep: Port prepare operations for the Master Data Port.
820  * @dpn_port_enable_ch: Enable the channels of Master Port.
838  * struct sdw_defer - SDW deffered message
850  * struct sdw_master_ops - Master driver ops
856  * @set_bus_conf: Set the bus configuration
859  * @read_ping_status: Read status from PING frames, reported with two bits per Device.
861  * @get_device_num: Callback for vendor-specific device_number allocation
862  * @put_device_num: Callback for vendor-specific device_number release
886  * struct sdw_bus - SoundWire bus
887  * @dev: Shortcut to &bus->md->dev to avoid changing the entire code.
889  * @controller_id: system-unique controller ID. If set to -1, the bus @id will be used.
891  * @id: bus system-wide unique id
894  * Bit set implies used number, bit clear implies unused number.
899  * @port_ops: Master port callback ops
904  * transport and port parameters
914  * hardware-based synchronization is required. This value is only
915  * meaningful if multi_link is set. If set to 1, hardware-based
956  * sdw_port_config: Master or Slave Port configuration
958  * @num: Port number
959  * @ch_mask: channels mask for port
971  * @bps: Number of bits per audio sample
991  * @SDW_STREAM_DEPREPARED: Stream de-prepared
1009  * @bps: bits per channel sample
1025  * master_list can contain only one m_rt per Master instance
1094 	return -EINVAL;  in sdw_stream_add_slave()
1101 	return -EINVAL;  in sdw_stream_remove_slave()
1108 	return -EINVAL;  in sdw_read()
1114 	return -EINVAL;  in sdw_write()
1120 	return -EINVAL;  in sdw_write_no_pm()
1126 	return -EINVAL;  in sdw_read_no_pm()
1132 	return -EINVAL;  in sdw_nread()
1138 	return -EINVAL;  in sdw_nread_no_pm()
1144 	return -EINVAL;  in sdw_nwrite()
1150 	return -EINVAL;  in sdw_nwrite_no_pm()
1156 	return -EINVAL;  in sdw_update()
1162 	return -EINVAL;  in sdw_update_no_pm()