include/asm-i386/keyboard.h

   1 /*
   2  *  linux/include/asm-i386/keyboard.h
   3  *
   4  *  Created 3 Nov 1996 by Geert Uytterhoeven
   5  */
   6
   7 /*
   8  *  This file contains the i386 architecture specific keyboard definitions
   9  */
  10
  11 #ifndef _I386_KEYBOARD_H
  12 #define _I386_KEYBOARD_H
  13
  14 #ifdef __KERNEL__
  15
  16 #include <linux/kernel.h>
  17 #include <linux/ioport.h>
  18 #include <asm/io.h>
  19
  20 #define KEYBOARD_IRQ                    1
  21 #define DISABLE_KBD_DURING_INTERRUPTS   0
  22
  23 extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode);
  24 extern int pckbd_getkeycode(unsigned int scancode);
  25 extern int pckbd_translate(unsigned char scancode, unsigned char *keycode,
  26                            char raw_mode);
  27 extern char pckbd_unexpected_up(unsigned char keycode);
  28 extern void pckbd_leds(unsigned char leds);
  29 extern void pckbd_init_hw(void);
  30 extern unsigned char pckbd_sysrq_xlate[128];
  31
  32 #define kbd_setkeycode          pckbd_setkeycode
  33 #define kbd_getkeycode          pckbd_getkeycode
  34 #define kbd_translate           pckbd_translate
  35 #define kbd_unexpected_up       pckbd_unexpected_up
  36 #define kbd_leds                pckbd_leds
  37 #define kbd_init_hw             pckbd_init_hw
  38 #define kbd_sysrq_xlate         pckbd_sysrq_xlate
  39
  40 #define SYSRQ_KEY 0x54
  41
  42 /* resource allocation */
  43 #define kbd_request_region()
  44 #define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \
  45                                              "keyboard", NULL)
  46
  47 /* How to access the keyboard macros on this platform.  */
  48 #define kbd_read_input() inb(KBD_DATA_REG)
  49 #define kbd_read_status() inb(KBD_STATUS_REG)
  50 #define kbd_write_output(val) outb(val, KBD_DATA_REG)
  51 #define kbd_write_command(val) outb(val, KBD_CNTL_REG)
  52
  53 /* Some stoneage hardware needs delays after some operations.  */
  54 #define kbd_pause() do { } while(0)
  55
  56 /*
  57  * Machine specific bits for the PS/2 driver
  58  */
  59
  60 #define AUX_IRQ 12
  61
  62 #define aux_request_irq(hand, dev_id)                                   \
  63         request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id)
  64
  65 #define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)
  66
  67 #endif /* __KERNEL__ */
  68 #endif /* _I386_KEYBOARD_H */