kbd_kern.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:4k
- #ifndef _KBD_KERN_H
- #define _KBD_KERN_H
- #include <linux/interrupt.h>
- #include <linux/keyboard.h>
- extern struct tasklet_struct keyboard_tasklet;
- extern int shift_state;
- extern char *func_table[MAX_NR_FUNC];
- extern char func_buf[];
- extern char *funcbufptr;
- extern int funcbufsize, funcbufleft;
- /*
- * kbd->xxx contains the VC-local things (flag settings etc..)
- *
- * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
- * The code in KDGETLED / KDSETLED depends on the internal and
- * external order being the same.
- *
- * Note: lockstate is used as index in the array key_map.
- */
- struct kbd_struct {
- unsigned char lockstate;
- /* 8 modifiers - the names do not have any meaning at all;
- they can be associated to arbitrarily chosen keys */
- #define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */
- #define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */
- #define VC_CTRLLOCK KG_CTRL /* control lock mode */
- #define VC_ALTLOCK KG_ALT /* alt lock mode */
- #define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */
- #define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */
- #define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */
- #define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */
- unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */
- unsigned char ledmode:2; /* one 2-bit value */
- #define LED_SHOW_FLAGS 0 /* traditional state */
- #define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */
- #define LED_SHOW_MEM 2 /* `heartbeat': peek into memory */
- unsigned char ledflagstate:3; /* flags, not lights */
- unsigned char default_ledflagstate:3;
- #define VC_SCROLLOCK 0 /* scroll-lock mode */
- #define VC_NUMLOCK 1 /* numeric lock mode */
- #define VC_CAPSLOCK 2 /* capslock mode */
- unsigned char kbdmode:2; /* one 2-bit value */
- #define VC_XLATE 0 /* translate keycodes using keymap */
- #define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */
- #define VC_RAW 2 /* raw (scancode) mode */
- #define VC_UNICODE 3 /* Unicode mode */
- unsigned char modeflags:5;
- #define VC_APPLIC 0 /* application key mode */
- #define VC_CKMODE 1 /* cursor key mode */
- #define VC_REPEAT 2 /* keyboard repeat */
- #define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */
- #define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */
- };
- extern struct kbd_struct kbd_table[];
- extern int kbd_init(void);
- extern unsigned char getledstate(void);
- extern void setledstate(struct kbd_struct *kbd, unsigned int led);
- extern int do_poke_blanked_console;
- extern void (*kbd_ledfunc)(unsigned int led);
- extern void set_console(int nr);
- extern void schedule_console_callback(void);
- static inline void set_leds(void)
- {
- tasklet_schedule(&keyboard_tasklet);
- }
- static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
- {
- return ((kbd->modeflags >> flag) & 1);
- }
- static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
- {
- return ((kbd->ledflagstate >> flag) & 1);
- }
- static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
- {
- kbd->modeflags |= 1 << flag;
- }
- static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
- {
- kbd->ledflagstate |= 1 << flag;
- }
- static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
- {
- kbd->modeflags &= ~(1 << flag);
- }
- static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
- {
- kbd->ledflagstate &= ~(1 << flag);
- }
- static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
- {
- kbd->lockstate ^= 1 << flag;
- }
- static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
- {
- kbd->slockstate ^= 1 << flag;
- }
- static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
- {
- kbd->modeflags ^= 1 << flag;
- }
- static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
- {
- kbd->ledflagstate ^= 1 << flag;
- }
- #define U(x) ((x) ^ 0xf000)
- /* keyboard.c */
- struct console;
- int getkeycode(unsigned int scancode);
- int setkeycode(unsigned int scancode, unsigned int keycode);
- void compute_shiftstate(void);
- /* defkeymap.c */
- extern unsigned int keymap_count;
- /* console.c */
- static inline void con_schedule_flip(struct tty_struct *t)
- {
- schedule_task(&t->flip.tqueue);
- }
- #endif