mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
f6c4442bfa
The rest of the kernel uses u8, u16, etc for data coming form hardware, let's switch ti using u8 here as well. Also turn pkt_type into an enum. Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
218 lines
7.4 KiB
C
218 lines
7.4 KiB
C
/*
|
|
* 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 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 */
|
|
|
|
/*
|
|
* 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 */
|