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 #define SYN_QUE_EXT_CAPAB_0C 0x0c 22 23 /* synatics modes */ 24 #define SYN_BIT_ABSOLUTE_MODE (1 << 7) 25 #define SYN_BIT_HIGH_RATE (1 << 6) 26 #define SYN_BIT_SLEEP_MODE (1 << 3) 27 #define SYN_BIT_DISABLE_GESTURE (1 << 2) 28 #define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1) 29 #define SYN_BIT_W_MODE (1 << 0) 30 31 /* synaptics model ID bits */ 32 #define SYN_MODEL_ROT180(m) ((m) & (1 << 23)) 33 #define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22)) 34 #define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f) 35 #define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f) 36 #define SYN_MODEL_NEWABS(m) ((m) & (1 << 7)) 37 #define SYN_MODEL_PEN(m) ((m) & (1 << 6)) 38 #define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5)) 39 #define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f) 40 41 /* synaptics capability bits */ 42 #define SYN_CAP_EXTENDED(c) ((c) & (1 << 23)) 43 #define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18)) 44 #define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7)) 45 #define SYN_CAP_SLEEP(c) ((c) & (1 << 4)) 46 #define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3)) 47 #define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1)) 48 #define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0)) 49 #define SYN_CAP_VALID(c) ((((c) & 0x00ff00) >> 8) == 0x47) 50 #define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) 51 #define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12) 52 #define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16) 53 #define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100100) 54 55 /* synaptics modes query bits */ 56 #define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7)) 57 #define SYN_MODE_RATE(m) ((m) & (1 << 6)) 58 #define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3)) 59 #define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2)) 60 #define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1)) 61 #define SYN_MODE_WMODE(m) ((m) & (1 << 0)) 62 63 /* synaptics identify query bits */ 64 #define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f) 65 #define SYN_ID_MAJOR(i) ((i) & 0x0f) 66 #define SYN_ID_MINOR(i) (((i) >> 16) & 0xff) 67 #define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47) 68 69 /* synaptics special commands */ 70 #define SYN_PS_SET_MODE2 0x14 71 #define SYN_PS_CLIENT_CMD 0x28 72 73 /* synaptics packet types */ 74 #define SYN_NEWABS 0 75 #define SYN_NEWABS_STRICT 1 76 #define SYN_NEWABS_RELAXED 2 77 #define SYN_OLDABS 3 78 79 /* 80 * A structure to describe the state of the touchpad hardware (buttons and pad) 81 */ 82 83 struct synaptics_hw_state { 84 int x; 85 int y; 86 int z; 87 int w; 88 unsigned int left:1; 89 unsigned int right:1; 90 unsigned int middle:1; 91 unsigned int up:1; 92 unsigned int down:1; 93 unsigned char ext_buttons; 94 signed char scroll; 95 }; 96 97 struct synaptics_data { 98 /* Data read from the touchpad */ 99 unsigned long int model_id; /* Model-ID */ 100 unsigned long int capabilities; /* Capabilities */ 101 unsigned long int ext_cap; /* Extended Capabilities */ 102 unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */ 103 unsigned long int identity; /* Identification */ 104 int x_res; /* X resolution in units/mm */ 105 int y_res; /* Y resolution in units/mm */ 106 107 unsigned char pkt_type; /* packet type - old, new, etc */ 108 unsigned char mode; /* current mode byte */ 109 int scroll; 110 }; 111 112 void synaptics_module_init(void); 113 int synaptics_detect(struct psmouse *psmouse, bool set_properties); 114 int synaptics_init(struct psmouse *psmouse); 115 void synaptics_reset(struct psmouse *psmouse); 116 bool synaptics_supported(void); 117 118 #endif /* _SYNAPTICS_H */ 119