include/asm-alpha/keyboard.h

   1 /*
   2  *  linux/include/asm-alpha/keyboard.h
   3  *
   4  *  Created 3 Nov 1996 by Geert Uytterhoeven
   5  */
   6
   7 /*
   8  *  This file contains the alpha architecture specific keyboard definitions
   9  */
  10
  11 #ifndef _ALPHA_KEYBOARD_H
  12 #define _ALPHA_KEYBOARD_H
  13
  14 #ifdef __KERNEL__
  15
  16 #include <linux/kernel.h>
  17 #include <linux/ioport.h>
  18 #include <linux/kd.h>
  19 #include <asm/io.h>
  20
  21 #define KEYBOARD_IRQ                    1
  22 #define DISABLE_KBD_DURING_INTERRUPTS   0
  23
  24 extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode);
  25 extern int pckbd_getkeycode(unsigned int scancode);
  26 extern int pckbd_translate(unsigned char scancode, unsigned char *keycode,
  27                            char raw_mode);
  28 extern char pckbd_unexpected_up(unsigned char keycode);
  29 extern void pckbd_leds(unsigned char leds);
  30 extern void pckbd_init_hw(void);
  31 extern unsigned char pckbd_sysrq_xlate[128];
  32
  33 #define kbd_setkeycode          pckbd_setkeycode
  34 #define kbd_getkeycode          pckbd_getkeycode
  35 #define kbd_translate           pckbd_translate
  36 #define kbd_unexpected_up       pckbd_unexpected_up
  37 #define kbd_leds                pckbd_leds
  38 #define kbd_init_hw             pckbd_init_hw
  39 #define kbd_sysrq_xlate         pckbd_sysrq_xlate
  40
  41 #define INIT_KBD
  42
  43 #define SYSRQ_KEY 0x54
  44
  45 /* resource allocation */
  46 #define kbd_request_region()
  47 #define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \
  48                                              "keyboard", NULL)
  49
  50 /* How to access the keyboard macros on this platform.  */
  51 #define kbd_read_input() inb(KBD_DATA_REG)
  52 #define kbd_read_status() inb(KBD_STATUS_REG)
  53 #define kbd_write_output(val) outb(val, KBD_DATA_REG)
  54 #define kbd_write_command(val) outb(val, KBD_CNTL_REG)
  55
  56 /* Some stoneage hardware needs delays after some operations.  */
  57 #define kbd_pause() do { } while(0)
  58
  59 /*
  60  * Machine specific bits for the PS/2 driver
  61  */
  62
  63 /* Jensen puts this at 9, everyone else at the standard 12.  */
  64 #define AUX_IRQ  (RTC_PORT(0) == 0x170 ? 9 : 12)
  65
  66 #define aux_request_irq(hand, dev_id)                                  \
  67        request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id)
  68
  69 #define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)
  70
  71 #endif /* __KERNEL__ */
  72
  73 #endif /* __ASMalpha_KEYBOARD_H */