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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216/* SPDX-License-Identifier: GPL-2.0-only *//* * Synaptics TouchPad PS/2 mouse driver */
#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
/* synaptics modes */#define SYN_BIT_ABSOLUTE_MODE BIT(7)#define SYN_BIT_HIGH_RATE BIT(6)#define SYN_BIT_SLEEP_MODE BIT(3)#define SYN_BIT_DISABLE_GESTURE BIT(2)#define SYN_BIT_FOUR_BYTE_CLIENT BIT(1)#define SYN_BIT_W_MODE BIT(0)
/* synaptics model ID bits */#define SYN_MODEL_ROT180(m) ((m) & BIT(23))#define SYN_MODEL_PORTRAIT(m) ((m) & BIT(22))#define SYN_MODEL_SENSOR(m) (((m) & GENMASK(21, 16)) >> 16)#define SYN_MODEL_HARDWARE(m) (((m) & GENMASK(15, 9)) >> 9)#define SYN_MODEL_NEWABS(m) ((m) & BIT(7))#define SYN_MODEL_PEN(m) ((m) & BIT(6))#define SYN_MODEL_SIMPLIC(m) ((m) & BIT(5))#define SYN_MODEL_GEOMETRY(m) ((m) & GENMASK(3, 0))
/* synaptics capability bits */#define SYN_CAP_EXTENDED(c) ((c) & BIT(23))#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & BIT(18))#define SYN_CAP_PASS_THROUGH(c) ((c) & BIT(7))#define SYN_CAP_SLEEP(c) ((c) & BIT(4))#define SYN_CAP_FOUR_BUTTON(c) ((c) & BIT(3))#define SYN_CAP_MULTIFINGER(c) ((c) & BIT(1))#define SYN_CAP_PALMDETECT(c) ((c) & BIT(0))#define SYN_CAP_SUBMODEL_ID(c) (((c) & GENMASK(15, 8)) >> 8)#define SYN_EXT_CAP_REQUESTS(c) (((c) & GENMASK(22, 20)) >> 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) & GENMASK(23, 16)) >> 16)#define SYN_MEXT_CAP_BIT(m) ((m) & BIT(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) & BIT(20)) /* 1-button ClickPad */#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & BIT(8)) /* 2-button ClickPad */#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & BIT(17))#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & BIT(13))#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & BIT(19))#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & BIT(10))#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & BIT(11))#define SYN_CAP_INTERTOUCH(ex0c) ((ex0c) & BIT(14))
/* * 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) & BIT(16))#define SYN_CAP_SECUREPAD(ex10) ((ex10) & BIT(17))
#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) & BIT(7))#define SYN_MODE_RATE(m) ((m) & BIT(6))#define SYN_MODE_BAUD_SLEEP(m) ((m) & BIT(3))#define SYN_MODE_DISABLE_GESTURE(m) ((m) & BIT(2))#define SYN_MODE_PACKSIZE(m) ((m) & BIT(1))#define SYN_MODE_WMODE(m) ((m) & BIT(0))
/* synaptics identify query bits */#define SYN_ID_MODEL(i) (((i) & GENMASK(7, 4)) >> 4)#define SYN_ID_MAJOR(i) (((i) & GENMASK(3, 0)) >> 0)#define SYN_ID_MINOR(i) (((i) & GENMASK(23, 16)) >> 16)#define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i))#define SYN_ID_IS_SYNAPTICS(i) (((i) & GENMASK(15, 8)) == 0x004700U)#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
/* amount to fuzz position data when touchpad reports reduced filtering */#define SYN_REDUCED_FILTER_FUZZ 8
/* synaptics packet types */enum synaptics_pkt_type { SYN_NEWABS, SYN_NEWABS_STRICT, SYN_NEWABS_RELAXED, SYN_OLDABS,};
/* * 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; u8 ext_buttons; s8 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;
enum synaptics_pkt_type pkt_type; /* packet type - old, new, etc */ u8 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 */ bool pt_port_open;
/* * 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 */