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