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 int x1, x2, y1, y2; /* Coordinates from last MT report */ 43 int fingers; /* Number of fingers from MT report */ 44 u8 quirks; 45 struct timer_list timer; 46 }; 47 48 #define ALPS_QUIRK_TRACKSTICK_BUTTONS 1 /* trakcstick buttons in trackstick packet */ 49 50 #ifdef CONFIG_MOUSE_PS2_ALPS 51 int alps_detect(struct psmouse *psmouse, bool set_properties); 52 int alps_init(struct psmouse *psmouse); 53 #else 54 inline int alps_detect(struct psmouse *psmouse, bool set_properties) 55 { 56 return -ENOSYS; 57 } 58 inline int alps_init(struct psmouse *psmouse) 59 { 60 return -ENOSYS; 61 } 62 #endif /* CONFIG_MOUSE_PS2_ALPS */ 63 64 #endif 65