/* SPDX-License-Identifier: GPL-2.0-only */ /* * ALPS touchpad PS/2 mouse driver * * Copyright (c) 2003 Peter Osterlund <[email protected]> * Copyright (c) 2005 Vojtech Pavlik <[email protected]> */ #ifndef _ALPS_H #define _ALPS_H #include <linux/input/mt.h> #define ALPS_PROTO_V1 … #define ALPS_PROTO_V2 … #define ALPS_PROTO_V3 … #define ALPS_PROTO_V3_RUSHMORE … #define ALPS_PROTO_V4 … #define ALPS_PROTO_V5 … #define ALPS_PROTO_V6 … #define ALPS_PROTO_V7 … #define ALPS_PROTO_V8 … #define ALPS_PROTO_V9 … #define MAX_TOUCHES … #define DOLPHIN_COUNT_PER_ELECTRODE … #define DOLPHIN_PROFILE_XOFFSET … #define DOLPHIN_PROFILE_YOFFSET … /* * enum SS4_PACKET_ID - defines the packet type for V8 * SS4_PACKET_ID_IDLE: There's no finger and no button activity. * SS4_PACKET_ID_ONE: There's one finger on touchpad * or there's button activities. * SS4_PACKET_ID_TWO: There's two or more fingers on touchpad * SS4_PACKET_ID_MULTI: There's three or more fingers on touchpad * SS4_PACKET_ID_STICK: A stick pointer packet */ enum SS4_PACKET_ID { … }; #define SS4_COUNT_PER_ELECTRODE … #define SS4_NUMSENSOR_XOFFSET … #define SS4_NUMSENSOR_YOFFSET … #define SS4_MIN_PITCH_MM … #define SS4_MASK_NORMAL_BUTTONS … #define SS4PLUS_COUNT_PER_ELECTRODE … #define SS4PLUS_NUMSENSOR_XOFFSET … #define SS4PLUS_NUMSENSOR_YOFFSET … #define SS4PLUS_MIN_PITCH_MM … #define IS_SS4PLUS_DEV(_b) … #define SS4_IS_IDLE_V2(_b) … #define SS4_1F_X_V2(_b) … #define SS4_1F_Y_V2(_b) … #define SS4_1F_Z_V2(_b) … #define SS4_1F_LFB_V2(_b) … #define SS4_MF_LF_V2(_b, _i) … #define SS4_BTN_V2(_b) … #define SS4_STD_MF_X_V2(_b, _i) … #define SS4_PLUS_STD_MF_X_V2(_b, _i) … #define SS4_STD_MF_Y_V2(_b, _i) … #define SS4_BTL_MF_X_V2(_b, _i) … #define SS4_PLUS_BTL_MF_X_V2(_b, _i) … #define SS4_BTL_MF_Y_V2(_b, _i) … #define SS4_MF_Z_V2(_b, _i) … #define SS4_IS_MF_CONTINUE(_b) … #define SS4_IS_5F_DETECTED(_b) … #define SS4_TS_X_V2(_b) … #define SS4_TS_Y_V2(_b) … #define SS4_TS_Z_V2(_b) … #define SS4_MFPACKET_NO_AX … #define SS4_MFPACKET_NO_AY … #define SS4_MFPACKET_NO_AX_BL … #define SS4_MFPACKET_NO_AY_BL … #define SS4_PLUS_MFPACKET_NO_AX … #define SS4_PLUS_MFPACKET_NO_AX_BL … /* * enum V7_PACKET_ID - defines the packet type for V7 * V7_PACKET_ID_IDLE: There's no finger and no button activity. * V7_PACKET_ID_TWO: There's one or two non-resting fingers on touchpad * or there's button activities. * V7_PACKET_ID_MULTI: There are at least three non-resting fingers. * V7_PACKET_ID_NEW: The finger position in slot is not continues from * previous packet. */ enum V7_PACKET_ID { … }; /** * struct alps_protocol_info - information about protocol used by a device * @version: Indicates V1/V2/V3/... * @byte0: Helps figure out whether a position report packet matches the * known format for this model. The first byte of the report, ANDed with * mask0, should match byte0. * @mask0: The mask used to check the first byte of the report. * @flags: Additional device capabilities (passthrough port, trackstick, etc.). */ struct alps_protocol_info { … }; /** * struct alps_model_info - touchpad ID table * @signature: E7 response string to match. * @protocol_info: information about protocol used by the device. * * Many (but not all) ALPS touchpads can be identified by looking at the * values returned in the "E7 report" and/or the "EC report." This table * lists a number of such touchpads. */ struct alps_model_info { … }; /** * struct alps_nibble_commands - encodings for register accesses * @command: PS/2 command used for the nibble * @data: Data supplied as an argument to the PS/2 command, if applicable * * The ALPS protocol uses magic sequences to transmit binary data to the * touchpad, as it is generally not OK to send arbitrary bytes out the * PS/2 port. Each of the sequences in this table sends one nibble of the * register address or (write) data. Different versions of the ALPS protocol * use slightly different encodings. */ struct alps_nibble_commands { … }; struct alps_bitmap_point { … }; /** * struct alps_fields - decoded version of the report packet * @x_map: Bitmap of active X positions for MT. * @y_map: Bitmap of active Y positions for MT. * @fingers: Number of fingers for MT. * @pressure: Pressure. * @st: position for ST. * @mt: position for MT. * @first_mp: Packet is the first of a multi-packet report. * @is_mp: Packet is part of a multi-packet report. * @left: Left touchpad button is active. * @right: Right touchpad button is active. * @middle: Middle touchpad button is active. * @ts_left: Left trackstick button is active. * @ts_right: Right trackstick button is active. * @ts_middle: Middle trackstick button is active. */ struct alps_fields { … }; /** * struct alps_data - private data structure for the ALPS driver * @psmouse: Pointer to parent psmouse device * @dev2: Trackstick device (can be NULL). * @dev3: Generic PS/2 mouse (can be NULL, delayed registering). * @phys2: Physical path for the trackstick device. * @phys3: Physical path for the generic PS/2 mouse. * @dev3_register_work: Delayed work for registering PS/2 mouse. * @nibble_commands: Command mapping used for touchpad register accesses. * @addr_command: Command used to tell the touchpad that a register address * follows. * @proto_version: Indicates V1/V2/V3/... * @byte0: Helps figure out whether a position report packet matches the * known format for this model. The first byte of the report, ANDed with * mask0, should match byte0. * @mask0: The mask used to check the first byte of the report. * @fw_ver: cached copy of firmware version (EC report) * @flags: Additional device capabilities (passthrough port, trackstick, etc.). * @x_max: Largest possible X position value. * @y_max: Largest possible Y position value. * @x_bits: Number of X bits in the MT bitmap. * @y_bits: Number of Y bits in the MT bitmap. * @hw_init: Protocol-specific hardware init function. * @process_packet: Protocol-specific function to process a report packet. * @decode_fields: Protocol-specific function to read packet bitfields. * @set_abs_params: Protocol-specific function to configure the input_dev. * @prev_fin: Finger bit from previous packet. * @multi_packet: Multi-packet data in progress. * @multi_data: Saved multi-packet data. * @f: Decoded packet data fields. * @quirks: Bitmap of ALPS_QUIRK_*. * @timer: Timer for flushing out the final report packet in the stream. */ struct alps_data { … }; #define ALPS_QUIRK_TRACKSTICK_BUTTONS … int alps_detect(struct psmouse *psmouse, bool set_properties); int alps_init(struct psmouse *psmouse); #endif
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