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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250/* SPDX-License-Identifier: GPL-2.0 */#ifndef _PSMOUSE_H#define _PSMOUSE_H
#define PSMOUSE_OOB_NONE 0x00#define PSMOUSE_OOB_EXTRA_BTNS 0x01
#define PSMOUSE_CMD_SETSCALE11 0x00e6#define PSMOUSE_CMD_SETSCALE21 0x00e7#define PSMOUSE_CMD_SETRES 0x10e8#define PSMOUSE_CMD_GETINFO 0x03e9#define PSMOUSE_CMD_SETSTREAM 0x00ea#define PSMOUSE_CMD_SETPOLL 0x00f0#define PSMOUSE_CMD_POLL 0x00eb /* caller sets number of bytes to receive */#define PSMOUSE_CMD_RESET_WRAP 0x00ec#define PSMOUSE_CMD_GETID 0x02f2#define PSMOUSE_CMD_SETRATE 0x10f3#define PSMOUSE_CMD_ENABLE 0x00f4#define PSMOUSE_CMD_DISABLE 0x00f5#define PSMOUSE_CMD_RESET_DIS 0x00f6#define PSMOUSE_CMD_RESET_BAT 0x02ff
#define PSMOUSE_RET_BAT 0xaa#define PSMOUSE_RET_ID 0x00#define PSMOUSE_RET_ACK 0xfa#define PSMOUSE_RET_NAK 0xfe
enum psmouse_state { PSMOUSE_IGNORE, PSMOUSE_INITIALIZING, PSMOUSE_RESYNCING, PSMOUSE_CMD_MODE, PSMOUSE_ACTIVATED,};
/* psmouse protocol handler return codes */typedef enum { PSMOUSE_BAD_DATA, PSMOUSE_GOOD_DATA, PSMOUSE_FULL_PACKET} psmouse_ret_t;
enum psmouse_scale { PSMOUSE_SCALE11, PSMOUSE_SCALE21};
enum psmouse_type { PSMOUSE_NONE, PSMOUSE_PS2, PSMOUSE_PS2PP, PSMOUSE_THINKPS, PSMOUSE_GENPS, PSMOUSE_IMPS, PSMOUSE_IMEX, PSMOUSE_SYNAPTICS, PSMOUSE_ALPS, PSMOUSE_LIFEBOOK, PSMOUSE_TRACKPOINT, PSMOUSE_TOUCHKIT_PS2, PSMOUSE_CORTRON, PSMOUSE_HGPK, /* No longer used */ PSMOUSE_ELANTECH, PSMOUSE_FSP, PSMOUSE_SYNAPTICS_RELATIVE, PSMOUSE_CYPRESS, PSMOUSE_FOCALTECH, PSMOUSE_VMMOUSE, PSMOUSE_BYD, PSMOUSE_SYNAPTICS_SMBUS, PSMOUSE_ELANTECH_SMBUS, PSMOUSE_AUTO /* This one should always be last */};
struct psmouse;
struct psmouse_protocol { enum psmouse_type type; bool maxproto; bool ignore_parity; /* Protocol should ignore parity errors from KBC */ bool try_passthru; /* Try protocol also on passthrough ports */ bool smbus_companion; /* "Protocol" is a stub, device is on SMBus */ const char *name; const char *alias; int (*detect)(struct psmouse *, bool); int (*init)(struct psmouse *);};
struct psmouse { void *private; struct input_dev *dev; struct ps2dev ps2dev; struct work_struct resync_work; const char *vendor; const char *name; const struct psmouse_protocol *protocol; unsigned char packet[8]; unsigned char badbyte; unsigned char pktcnt; unsigned char pktsize; unsigned char oob_data_type; unsigned char extra_buttons; bool acks_disable_command; unsigned int model; unsigned long last; unsigned long out_of_sync_cnt; unsigned long num_resyncs; enum psmouse_state state; char devname[64]; char phys[32];
unsigned int rate; unsigned int resolution; unsigned int resetafter; unsigned int resync_time; bool smartscroll; /* Logitech only */
psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse); void (*set_rate)(struct psmouse *psmouse, unsigned int rate); void (*set_resolution)(struct psmouse *psmouse, unsigned int resolution); void (*set_scale)(struct psmouse *psmouse, enum psmouse_scale scale);
int (*reconnect)(struct psmouse *psmouse); int (*fast_reconnect)(struct psmouse *psmouse); void (*disconnect)(struct psmouse *psmouse); void (*cleanup)(struct psmouse *psmouse); int (*poll)(struct psmouse *psmouse);
void (*pt_activate)(struct psmouse *psmouse); void (*pt_deactivate)(struct psmouse *psmouse);};
struct psmouse *psmouse_from_serio(struct serio *serio);
int psmouse_reset(struct psmouse *psmouse);void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse);int psmouse_activate(struct psmouse *psmouse);int psmouse_deactivate(struct psmouse *psmouse);bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]);
void psmouse_report_standard_buttons(struct input_dev *, u8 buttons);void psmouse_report_standard_motion(struct input_dev *, u8 *packet);void psmouse_report_standard_packet(struct input_dev *, u8 *packet);
struct psmouse_attribute { struct device_attribute dattr; void *data; ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf); ssize_t (*set)(struct psmouse *psmouse, void *data, const char *buf, size_t count); bool protect;};#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, char *buf);ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr, const char *buf, size_t count);
#define __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect) \static struct psmouse_attribute psmouse_attr_##_name = { \ .dattr = { \ .attr = { \ .name = __stringify(_name), \ .mode = _mode, \ }, \ .show = psmouse_attr_show_helper, \ .store = psmouse_attr_set_helper, \ }, \ .data = _data, \ .show = _show, \ .set = _set, \ .protect = _protect, \}
#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \ static ssize_t _show(struct psmouse *, void *, char *); \ static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, _set, _protect)
#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \ __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, true)
#define PSMOUSE_DEFINE_RO_ATTR(_name, _mode, _data, _show) \ static ssize_t _show(struct psmouse *, void *, char *); \ __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, _show, NULL, true)
#define PSMOUSE_DEFINE_WO_ATTR(_name, _mode, _data, _set) \ static ssize_t _set(struct psmouse *, void *, const char *, size_t); \ __PSMOUSE_DEFINE_ATTR_VAR(_name, _mode, _data, NULL, _set, true)
#ifndef psmouse_fmt#define psmouse_fmt(fmt) KBUILD_BASENAME ": " fmt#endif
#define psmouse_dbg(psmouse, format, ...) \ dev_dbg(&(psmouse)->ps2dev.serio->dev, \ psmouse_fmt(format), ##__VA_ARGS__)#define psmouse_info(psmouse, format, ...) \ dev_info(&(psmouse)->ps2dev.serio->dev, \ psmouse_fmt(format), ##__VA_ARGS__)#define psmouse_warn(psmouse, format, ...) \ dev_warn(&(psmouse)->ps2dev.serio->dev, \ psmouse_fmt(format), ##__VA_ARGS__)#define psmouse_err(psmouse, format, ...) \ dev_err(&(psmouse)->ps2dev.serio->dev, \ psmouse_fmt(format), ##__VA_ARGS__)#define psmouse_notice(psmouse, format, ...) \ dev_notice(&(psmouse)->ps2dev.serio->dev, \ psmouse_fmt(format), ##__VA_ARGS__)#define psmouse_printk(level, psmouse, format, ...) \ dev_printk(level, \ &(psmouse)->ps2dev.serio->dev, \ psmouse_fmt(format), ##__VA_ARGS__)
#ifdef CONFIG_MOUSE_PS2_SMBUS
int psmouse_smbus_module_init(void);void psmouse_smbus_module_exit(void);
struct i2c_board_info;
int psmouse_smbus_init(struct psmouse *psmouse, const struct i2c_board_info *board, const void *pdata, size_t pdata_size, bool need_deactivate, bool leave_breadcrumbs);void psmouse_smbus_cleanup(struct psmouse *psmouse);
#else /* !CONFIG_MOUSE_PS2_SMBUS */
static inline int psmouse_smbus_module_init(void){ return 0;}
static inline void psmouse_smbus_module_exit(void){}
static inline void psmouse_smbus_cleanup(struct psmouse *psmouse){}
#endif /* CONFIG_MOUSE_PS2_SMBUS */
#endif /* _PSMOUSE_H */