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 8 extern struct tasklet_struct keyboard_tasklet; 9 10 extern int shift_state; 11 12 extern char *func_table[MAX_NR_FUNC]; 13 extern char func_buf[]; 14 extern char *funcbufptr; 15 extern int funcbufsize, funcbufleft; 16 17 /* 18 * kbd->xxx contains the VC-local things (flag settings etc..) 19 * 20 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h 21 * The code in KDGETLED / KDSETLED depends on the internal and 22 * external order being the same. 23 * 24 * Note: lockstate is used as index in the array key_map. 25 */ 26 struct kbd_struct { 27 28 unsigned char lockstate; 29 /* 8 modifiers - the names do not have any meaning at all; 30 they can be associated to arbitrarily chosen keys */ 31 #define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */ 32 #define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */ 33 #define VC_CTRLLOCK KG_CTRL /* control lock mode */ 34 #define VC_ALTLOCK KG_ALT /* alt lock mode */ 35 #define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */ 36 #define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */ 37 #define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */ 38 #define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */ 39 unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */ 40 41 unsigned char ledmode:2; /* one 2-bit value */ 42 #define LED_SHOW_FLAGS 0 /* traditional state */ 43 #define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */ 44 #define LED_SHOW_MEM 2 /* `heartbeat': peek into memory */ 45 46 unsigned char ledflagstate:4; /* flags, not lights */ 47 unsigned char default_ledflagstate:4; 48 #define VC_SCROLLOCK 0 /* scroll-lock mode */ 49 #define VC_NUMLOCK 1 /* numeric lock mode */ 50 #define VC_CAPSLOCK 2 /* capslock mode */ 51 #define VC_KANALOCK 3 /* kanalock mode */ 52 53 unsigned char kbdmode:3; /* one 3-bit value */ 54 #define VC_XLATE 0 /* translate keycodes using keymap */ 55 #define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */ 56 #define VC_RAW 2 /* raw (scancode) mode */ 57 #define VC_UNICODE 3 /* Unicode mode */ 58 #define VC_OFF 4 /* disabled mode */ 59 60 unsigned char modeflags:5; 61 #define VC_APPLIC 0 /* application key mode */ 62 #define VC_CKMODE 1 /* cursor key mode */ 63 #define VC_REPEAT 2 /* keyboard repeat */ 64 #define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */ 65 #define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */ 66 }; 67 68 extern struct kbd_struct kbd_table[]; 69 70 extern int kbd_init(void); 71 72 extern unsigned char getledstate(void); 73 extern void setledstate(struct kbd_struct *kbd, unsigned int led); 74 75 extern int do_poke_blanked_console; 76 77 extern void (*kbd_ledfunc)(unsigned int led); 78 79 extern int set_console(int nr); 80 extern void schedule_console_callback(void); 81 82 static inline void set_leds(void) 83 { 84 tasklet_schedule(&keyboard_tasklet); 85 } 86 87 static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag) 88 { 89 return ((kbd->modeflags >> flag) & 1); 90 } 91 92 static inline int vc_kbd_led(struct kbd_struct * kbd, int flag) 93 { 94 return ((kbd->ledflagstate >> flag) & 1); 95 } 96 97 static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag) 98 { 99 kbd->modeflags |= 1 << flag; 100 } 101 102 static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag) 103 { 104 kbd->ledflagstate |= 1 << flag; 105 } 106 107 static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag) 108 { 109 kbd->modeflags &= ~(1 << flag); 110 } 111 112 static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag) 113 { 114 kbd->ledflagstate &= ~(1 << flag); 115 } 116 117 static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag) 118 { 119 kbd->lockstate ^= 1 << flag; 120 } 121 122 static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag) 123 { 124 kbd->slockstate ^= 1 << flag; 125 } 126 127 static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag) 128 { 129 kbd->modeflags ^= 1 << flag; 130 } 131 132 static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag) 133 { 134 kbd->ledflagstate ^= 1 << flag; 135 } 136 137 #define U(x) ((x) ^ 0xf000) 138 139 #define BRL_UC_ROW 0x2800 140 141 /* keyboard.c */ 142 143 struct console; 144 145 int getkeycode(unsigned int scancode); 146 int setkeycode(unsigned int scancode, unsigned int keycode); 147 void compute_shiftstate(void); 148 149 /* defkeymap.c */ 150 151 extern unsigned int keymap_count; 152 153 /* console.c */ 154 155 static inline void con_schedule_flip(struct tty_struct *t) 156 { 157 unsigned long flags; 158 spin_lock_irqsave(&t->buf.lock, flags); 159 if (t->buf.tail != NULL) 160 t->buf.tail->commit = t->buf.tail->used; 161 spin_unlock_irqrestore(&t->buf.lock, flags); 162 schedule_work(&t->buf.work); 163 } 164 165 #endif 166