| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ALPS touchpad PS/2 mouse driver |
| 3 | * |
| 4 | * Copyright (c) 2003 Peter Osterlund <petero2@telia.com> |
| 5 | * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License version 2 as published by |
| 9 | * the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #ifndef _ALPS_H |
| 13 | #define _ALPS_H |
| 14 | |
| 15 | #define ALPS_PROTO_V1 0 |
| 16 | #define ALPS_PROTO_V2 1 |
| 17 | #define ALPS_PROTO_V3 2 |
| 18 | #define ALPS_PROTO_V4 3 |
| 19 | |
| 20 | struct alps_model_info { |
| 21 | unsigned char signature[3]; |
| 22 | unsigned char command_mode_resp; /* v3/v4 only */ |
| 23 | unsigned char proto_version; |
| 24 | unsigned char byte0, mask0; |
| 25 | unsigned char flags; |
| 26 | }; |
| 27 | |
| 28 | struct alps_nibble_commands { |
| 29 | int command; |
| 30 | unsigned char data; |
| 31 | }; |
| 32 | |
| 33 | struct alps_data { |
| 34 | struct input_dev *dev2; /* Relative device */ |
| 35 | char phys[32]; /* Phys */ |
| 36 | const struct alps_model_info *i;/* Info */ |
| 37 | const struct alps_nibble_commands *nibble_commands; |
| 38 | int addr_command; /* Command to set register address */ |
| 39 | int prev_fin; /* Finger bit from previous packet */ |
| 40 | int multi_packet; /* Multi-packet data in progress */ |
| 41 | unsigned char multi_data[6]; /* Saved multi-packet data */ |
| 42 | u8 quirks; |
| 43 | struct timer_list timer; |
| 44 | }; |
| 45 | |
| 46 | #define ALPS_QUIRK_TRACKSTICK_BUTTONS 1 /* trakcstick buttons in trackstick packet */ |
| 47 | |
| 48 | #ifdef CONFIG_MOUSE_PS2_ALPS |
| 49 | int alps_detect(struct psmouse *psmouse, bool set_properties); |
| 50 | int alps_init(struct psmouse *psmouse); |
| 51 | #else |
| 52 | inline int alps_detect(struct psmouse *psmouse, bool set_properties) |
| 53 | { |
| 54 | return -ENOSYS; |
| 55 | } |
| 56 | inline int alps_init(struct psmouse *psmouse) |
| 57 | { |
| 58 | return -ENOSYS; |
| 59 | } |
| 60 | #endif /* CONFIG_MOUSE_PS2_ALPS */ |
| 61 | |
| 62 | #endif |