1#ifndef _KBD_KERN_H 2#define _KBD_KERN_H 3 4#include <linux/tty.h> 5#include <linux/interrupt.h> 6#include <linux/keyboard.h> 7 8extern struct tasklet_struct keyboard_tasklet; 9 10extern int shift_state; 11 12extern char *func_table[MAX_NR_FUNC]; 13extern char func_buf[]; 14extern char *funcbufptr; 15extern int funcbufsize, funcbufleft; 16 17struct kbd_struct { 18 19 unsigned char lockstate; 20/* 8 modifiers - the names do not have any meaning at all; 21 they can be associated to arbitrarily chosen keys */ 22#define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */ 23#define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */ 24#define VC_CTRLLOCK KG_CTRL /* control lock mode */ 25#define VC_ALTLOCK KG_ALT /* alt lock mode */ 26#define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */ 27#define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */ 28#define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */ 29#define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */ 30 unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */ 31 32 unsigned char ledmode:2; /* one 2-bit value */ 33#define LED_SHOW_FLAGS 0 /* traditional state */ 34#define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */ 35#define LED_SHOW_MEM 2 /* `heartbeat': peek into memory */ 36 37 unsigned char ledflagstate:4; /* flags, not lights */ 38 unsigned char default_ledflagstate:4; 39#define VC_SCROLLOCK 0 /* scroll-lock mode */ 40#define VC_NUMLOCK 1 /* numeric lock mode */ 41#define VC_CAPSLOCK 2 /* capslock mode */ 42#define VC_KANALOCK 3 /* kanalock mode */ 43 44 unsigned char kbdmode:2; /* one 2-bit value */ 45#define VC_XLATE 0 /* translate keycodes using keymap */ 46#define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */ 47#define VC_RAW 2 /* raw (scancode) mode */ 48#define VC_UNICODE 3 /* Unicode mode */ 49 50 unsigned char modeflags:5; 51#define VC_APPLIC 0 /* application key mode */ 52#define VC_CKMODE 1 /* cursor key mode */ 53#define VC_REPEAT 2 /* keyboard repeat */ 54#define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */ 55#define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */ 56}; 57 58extern struct kbd_struct kbd_table[]; 59 60extern int kbd_init(void); 61 62extern unsigned char getledstate(void); 63extern void setledstate(struct kbd_struct *kbd, unsigned int led); 64 65extern int do_poke_blanked_console; 66 67extern void (*kbd_ledfunc)(unsigned int led); 68 69extern int set_console(int nr); 70extern void schedule_console_callback(void); 71 72static inline void set_leds(void) 73{ 74 tasklet_schedule(&keyboard_tasklet); 75} 76 77static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag) 78{ 79 return ((kbd->modeflags >> flag) & 1); 80} 81 82static inline int vc_kbd_led(struct kbd_struct * kbd, int flag) 83{ 84 return ((kbd->ledflagstate >> flag) & 1); 85} 86 87static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag) 88{ 89 kbd->modeflags |= 1 << flag; 90} 91 92static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag) 93{ 94 kbd->ledflagstate |= 1 << flag; 95} 96 97static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag) 98{ 99 kbd->modeflags &= ~(1 << flag); 100} 101 102static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag) 103{ 104 kbd->ledflagstate &= ~(1 << flag); 105} 106 107static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag) 108{ 109 kbd->lockstate ^= 1 << flag; 110} 111 112static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag) 113{ 114 kbd->slockstate ^= 1 << flag; 115} 116 117static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag) 118{ 119 kbd->modeflags ^= 1 << flag; 120} 121 122static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag) 123{ 124 kbd->ledflagstate ^= 1 << flag; 125} 126 127#define U(x) ((x) ^ 0xf000) 128 129#define BRL_UC_ROW 0x2800 130 131/* keyboard.c */ 132 133struct console; 134 135int getkeycode(unsigned int scancode); 136int setkeycode(unsigned int scancode, unsigned int keycode); 137void compute_shiftstate(void); 138 139/* defkeymap.c */ 140 141extern unsigned int keymap_count; 142 143/* console.c */ 144 145static inline void con_schedule_flip(struct tty_struct *t) 146{ 147 unsigned long flags; 148 spin_lock_irqsave(&t->buf.lock, flags); 149 if (t->buf.tail != NULL) 150 t->buf.tail->commit = t->buf.tail->used; 151 spin_unlock_irqrestore(&t->buf.lock, flags); 152 schedule_delayed_work(&t->buf.work, 0); 153} 154 155#endif 156