/* * Synaptics TouchPad PS/2 mouse driver * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */ #ifndef _SYNAPTICS_H #define _SYNAPTICS_H /* synaptics queries */ #define SYN_QUE_IDENTIFY 0x00 #define SYN_QUE_MODES 0x01 #define SYN_QUE_CAPABILITIES 0x02 #define SYN_QUE_MODEL 0x03 #define SYN_QUE_SERIAL_NUMBER_PREFIX 0x06 #define SYN_QUE_SERIAL_NUMBER_SUFFIX 0x07 #define SYN_QUE_RESOLUTION 0x08 #define SYN_QUE_EXT_CAPAB 0x09 #define SYN_QUE_FIRMWARE_ID 0x0a #define SYN_QUE_EXT_CAPAB_0C 0x0c #define SYN_QUE_EXT_MAX_COORDS 0x0d #define SYN_QUE_EXT_MIN_COORDS 0x0f #define SYN_QUE_MEXT_CAPAB_10 0x10 /* synatics modes */ #define SYN_BIT_ABSOLUTE_MODE (1 << 7) #define SYN_BIT_HIGH_RATE (1 << 6) #define SYN_BIT_SLEEP_MODE (1 << 3) #define SYN_BIT_DISABLE_GESTURE (1 << 2) #define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1) #define SYN_BIT_W_MODE (1 << 0) /* synaptics model ID bits */ #define SYN_MODEL_ROT180(m) ((m) & (1 << 23)) #define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22)) #define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f) #define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f) #define SYN_MODEL_NEWABS(m) ((m) & (1 << 7)) #define SYN_MODEL_PEN(m) ((m) & (1 << 6)) #define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5)) #define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f) /* synaptics capability bits */ #define SYN_CAP_EXTENDED(c) ((c) & (1 << 23)) #define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18)) #define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7)) #define SYN_CAP_SLEEP(c) ((c) & (1 << 4)) #define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3)) #define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1)) #define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0)) #define SYN_CAP_SUBMODEL_ID(c) (((c) & 0x00ff00) >> 8) #define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) #define SYN_CAP_MB_MASK GENMASK(15, 12) #define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & SYN_CAP_MB_MASK) >> 12) #define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16) #define SYN_MEXT_CAP_BIT(m) ((m) & (1 << 1)) /* * The following describes response for the 0x0c query. * * byte mask name meaning * ---- ---- ------- ------------ * 1 0x01 adjustable threshold capacitive button sensitivity * can be adjusted * 1 0x02 report max query 0x0d gives max coord reported * 1 0x04 clearpad sensor is ClearPad product * 1 0x08 advanced gesture not particularly meaningful * 1 0x10 clickpad bit 0 1-button ClickPad * 1 0x60 multifinger mode identifies firmware finger counting * (not reporting!) algorithm. * Not particularly meaningful * 1 0x80 covered pad W clipped to 14, 15 == pad mostly covered * 2 0x01 clickpad bit 1 2-button ClickPad * 2 0x02 deluxe LED controls touchpad support LED commands * ala multimedia control bar * 2 0x04 reduced filtering firmware does less filtering on * position data, driver should watch * for noise. * 2 0x08 image sensor image sensor tracks 5 fingers, but only * reports 2. * 2 0x01 uniform clickpad whole clickpad moves instead of being * hinged at the top. * 2 0x20 report min query 0x0f gives min coord reported */ #define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */ #define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */ #define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000) #define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & 0x002000) #define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000) #define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400) #define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800) #define SYN_CAP_INTERTOUCH(ex0c) ((ex0c) & 0x004000) /* * The following descibes response for the 0x10 query. * * byte mask name meaning * ---- ---- ------- ------------ * 1 0x01 ext buttons are stick buttons exported in the extended * capability are actually meant to be used * by the tracktick (pass-through). * 1 0x02 SecurePad the touchpad is a SecurePad, so it * contains a built-in fingerprint reader. * 1 0xe0 more ext count how many more extented queries are * available after this one. * 2 0xff SecurePad width the width of the SecurePad fingerprint * reader. * 3 0xff SecurePad height the height of the SecurePad fingerprint * reader. */ #define SYN_CAP_EXT_BUTTONS_STICK(ex10) ((ex10) & 0x010000) #define SYN_CAP_SECUREPAD(ex10) ((ex10) & 0x020000) #define SYN_EXT_BUTTON_STICK_L(eb) (((eb) & BIT(0)) >> 0) #define SYN_EXT_BUTTON_STICK_M(eb) (((eb) & BIT(1)) >> 1) #define SYN_EXT_BUTTON_STICK_R(eb) (((eb) & BIT(2)) >> 2) /* synaptics modes query bits */ #define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7)) #define SYN_MODE_RATE(m) ((m) & (1 << 6)) #define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3)) #define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2)) #define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1)) #define SYN_MODE_WMODE(m) ((m) & (1 << 0)) /* synaptics identify query bits */ #define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f) #define SYN_ID_MAJOR(i) ((i) & 0x0f) #define SYN_ID_MINOR(i) (((i) >> 16) & 0xff) #define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i)) #define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47) #define SYN_ID_DISGEST_SUPPORTED(i) (SYN_ID_MAJOR(i) >= 4) /* synaptics special commands */ #define SYN_PS_SET_MODE2 0x14 #define SYN_PS_CLIENT_CMD 0x28 /* synaptics packet types */ #define SYN_NEWABS 0 #define SYN_NEWABS_STRICT 1 #define SYN_NEWABS_RELAXED 2 #define SYN_OLDABS 3 /* amount to fuzz position data when touchpad reports reduced filtering */ #define SYN_REDUCED_FILTER_FUZZ 8 /* * A structure to describe the state of the touchpad hardware (buttons and pad) */ struct synaptics_hw_state { int x; int y; int z; int w; unsigned int left:1; unsigned int right:1; unsigned int middle:1; unsigned int up:1; unsigned int down:1; unsigned char ext_buttons; signed char scroll; }; /* Data read from the touchpad */ struct synaptics_device_info { u32 model_id; /* Model-ID */ u32 firmware_id; /* Firmware-ID */ u32 board_id; /* Board-ID */ u32 capabilities; /* Capabilities */ u32 ext_cap; /* Extended Capabilities */ u32 ext_cap_0c; /* Ext Caps from 0x0c query */ u32 ext_cap_10; /* Ext Caps from 0x10 query */ u32 identity; /* Identification */ u32 x_res, y_res; /* X/Y resolution in units/mm */ u32 x_max, y_max; /* Max coordinates (from FW) */ u32 x_min, y_min; /* Min coordinates (from FW) */ }; struct synaptics_data { struct synaptics_device_info info; unsigned char pkt_type; /* packet type - old, new, etc */ unsigned char mode; /* current mode byte */ int scroll; bool absolute_mode; /* run in Absolute mode */ bool disable_gesture; /* disable gestures */ struct serio *pt_port; /* Pass-through serio port */ /* * Last received Advanced Gesture Mode (AGM) packet. An AGM packet * contains position data for a second contact, at half resolution. */ struct synaptics_hw_state agm; unsigned int agm_count; /* finger count reported by agm */ /* ForcePad handling */ unsigned long press_start; bool press; bool report_press; bool is_forcepad; }; void synaptics_module_init(void); int synaptics_detect(struct psmouse *psmouse, bool set_properties); int synaptics_init_absolute(struct psmouse *psmouse); int synaptics_init_relative(struct psmouse *psmouse); int synaptics_init_smbus(struct psmouse *psmouse); int synaptics_init(struct psmouse *psmouse); void synaptics_reset(struct psmouse *psmouse); #endif /* _SYNAPTICS_H */