kbd_kern.h 4.3 KB

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