1 /* 2 * Synaptics TouchPad PS/2 mouse driver 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 as published by 6 * the Free Software Foundation. 7 */ 8 9 #ifndef _SYNAPTICS_H 10 #define _SYNAPTICS_H 11 12 /* synaptics queries */ 13 #define SYN_QUE_IDENTIFY 0x00 14 #define SYN_QUE_MODES 0x01 15 #define SYN_QUE_CAPABILITIES 0x02 16 #define SYN_QUE_MODEL 0x03 17 #define SYN_QUE_SERIAL_NUMBER_PREFIX 0x06 18 #define SYN_QUE_SERIAL_NUMBER_SUFFIX 0x07 19 #define SYN_QUE_RESOLUTION 0x08 20 #define SYN_QUE_EXT_CAPAB 0x09 21 22 /* synatics modes */ 23 #define SYN_BIT_ABSOLUTE_MODE (1 << 7) 24 #define SYN_BIT_HIGH_RATE (1 << 6) 25 #define SYN_BIT_SLEEP_MODE (1 << 3) 26 #define SYN_BIT_DISABLE_GESTURE (1 << 2) 27 #define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1) 28 #define SYN_BIT_W_MODE (1 << 0) 29 30 /* synaptics model ID bits */ 31 #define SYN_MODEL_ROT180(m) ((m) & (1 << 23)) 32 #define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22)) 33 #define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f) 34 #define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f) 35 #define SYN_MODEL_NEWABS(m) ((m) & (1 << 7)) 36 #define SYN_MODEL_PEN(m) ((m) & (1 << 6)) 37 #define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5)) 38 #define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f) 39 40 /* synaptics capability bits */ 41 #define SYN_CAP_EXTENDED(c) ((c) & (1 << 23)) 42 #define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18)) 43 #define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7)) 44 #define SYN_CAP_SLEEP(c) ((c) & (1 << 4)) 45 #define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3)) 46 #define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1)) 47 #define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0)) 48 #define SYN_CAP_VALID(c) ((((c) & 0x00ff00) >> 8) == 0x47) 49 #define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) 50 #define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12) 51 52 /* synaptics modes query bits */ 53 #define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7)) 54 #define SYN_MODE_RATE(m) ((m) & (1 << 6)) 55 #define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3)) 56 #define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2)) 57 #define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1)) 58 #define SYN_MODE_WMODE(m) ((m) & (1 << 0)) 59 60 /* synaptics identify query bits */ 61 #define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f) 62 #define SYN_ID_MAJOR(i) ((i) & 0x0f) 63 #define SYN_ID_MINOR(i) (((i) >> 16) & 0xff) 64 #define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47) 65 66 /* synaptics special commands */ 67 #define SYN_PS_SET_MODE2 0x14 68 #define SYN_PS_CLIENT_CMD 0x28 69 70 /* synaptics packet types */ 71 #define SYN_NEWABS 0 72 #define SYN_NEWABS_STRICT 1 73 #define SYN_NEWABS_RELAXED 2 74 #define SYN_OLDABS 3 75 76 /* 77 * A structure to describe the state of the touchpad hardware (buttons and pad) 78 */ 79 80 struct synaptics_hw_state { 81 int x; 82 int y; 83 int z; 84 int w; 85 unsigned int left:1; 86 unsigned int right:1; 87 unsigned int middle:1; 88 unsigned int up:1; 89 unsigned int down:1; 90 unsigned char ext_buttons; 91 signed char scroll; 92 }; 93 94 struct synaptics_data { 95 /* Data read from the touchpad */ 96 unsigned long int model_id; /* Model-ID */ 97 unsigned long int capabilities; /* Capabilities */ 98 unsigned long int ext_cap; /* Extended Capabilities */ 99 unsigned long int identity; /* Identification */ 100 101 unsigned char pkt_type; /* packet type - old, new, etc */ 102 unsigned char mode; /* current mode byte */ 103 int scroll; 104 }; 105 106 int synaptics_detect(struct psmouse *psmouse, int set_properties); 107 int synaptics_init(struct psmouse *psmouse); 108 void synaptics_reset(struct psmouse *psmouse); 109 110 #endif /* _SYNAPTICS_H */ 111