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This is version 5 of the driver. Relative mode support has been dropped (users wishing to use touchpad in relative mode can use standard PS/2 protocol emulation done in hardware). The driver supports both original version of Elantech protocol and the newer one used by touchpads installed in EeePC. Signed-off-by: Arjan Opmeer <arjan@opmeer.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
#ifndef _PSMOUSE_H
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#define _PSMOUSE_H
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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_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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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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char *vendor;
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char *name;
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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 type;
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unsigned char 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;
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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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unsigned int 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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int (*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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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_AUTO /* This one should always be last */
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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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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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int 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(_name, _mode, _data, _show, _set, _protect) \
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static ssize_t _show(struct psmouse *, void *data, char *); \
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static ssize_t _set(struct psmouse *, void *data, const char *, size_t); \
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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) \
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__PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, 1)
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#endif /* _PSMOUSE_H */
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