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249 lines
7.3 KiB
249 lines
7.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#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_ELANTECH_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_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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void psmouse_report_standard_buttons(struct input_dev *, u8 buttons); |
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void psmouse_report_standard_motion(struct input_dev *, u8 *packet); |
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void psmouse_report_standard_packet(struct input_dev *, u8 *packet); |
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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 need_deactivate, |
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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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