include/asm-ppc/keyboard.h

   1 /*
   2  *  linux/include/asm-ppc/keyboard.h
   3  *
   4  *  Created 3 Nov 1996 by Geert Uytterhoeven
   5  *  Modified for Power Macintosh by Paul Mackerras
   6  */
   7
   8 /*
   9  * This file contains the ppc architecture specific keyboard definitions -
  10  * like the intel pc for prep systems, different for power macs.
  11  */
  12
  13 #ifndef __ASMPPC_KEYBOARD_H
  14 #define __ASMPPC_KEYBOARD_H
  15
  16 #ifdef __KERNEL__
  17
  18 #include <linux/adb.h>
  19 #include <asm/machdep.h>
  20
  21 #include <linux/kernel.h>
  22 #include <linux/ioport.h>
  23 #include <asm/io.h>
  24
  25 #define KEYBOARD_IRQ                    1
  26 #define DISABLE_KBD_DURING_INTERRUPTS   0
  27 #define INIT_KBD
  28
  29 static inline int kbd_setkeycode(unsigned int scancode, unsigned int keycode)
  30 {
  31         if ( ppc_md.kbd_setkeycode )
  32                 return ppc_md.kbd_setkeycode(scancode, keycode);
  33         else
  34                 return 0;
  35 }
  36
  37 static inline int kbd_getkeycode(unsigned int scancode)
  38 {
  39         if ( ppc_md.kbd_getkeycode )
  40                 return ppc_md.kbd_getkeycode(scancode);
  41         else
  42                 return 0;
  43 }
  44
  45 static inline int kbd_translate(unsigned char keycode, unsigned char *keycodep,
  46                                 char raw_mode)
  47 {
  48         if ( ppc_md.kbd_translate )
  49                 return ppc_md.kbd_translate(keycode, keycodep, raw_mode);
  50         else
  51                 return 0;
  52 }
  53
  54 static inline int kbd_unexpected_up(unsigned char keycode)
  55 {
  56         if ( ppc_md.kbd_unexpected_up )
  57                 return ppc_md.kbd_unexpected_up(keycode);
  58         else
  59                 return 0;
  60 }
  61
  62 static inline void kbd_leds(unsigned char leds)
  63 {
  64         if ( ppc_md.kbd_leds )
  65                 ppc_md.kbd_leds(leds);
  66 }
  67
  68 static inline void kbd_init_hw(void)
  69 {
  70         if ( ppc_md.kbd_init_hw )
  71                 ppc_md.kbd_init_hw();
  72 }
  73
  74 #define kbd_sysrq_xlate (ppc_md.ppc_kbd_sysrq_xlate)
  75
  76 extern unsigned long SYSRQ_KEY;
  77
  78 /* resource allocation */
  79 #define kbd_request_region()
  80 #define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \
  81                                              "keyboard", NULL)
  82
  83 /* How to access the keyboard macros on this platform.  */
  84 #define kbd_read_input() inb(KBD_DATA_REG)
  85 #define kbd_read_status() inb(KBD_STATUS_REG)
  86 #define kbd_write_output(val) outb(val, KBD_DATA_REG)
  87 #define kbd_write_command(val) outb(val, KBD_CNTL_REG)
  88
  89 /* Some stoneage hardware needs delays after some operations.  */
  90 #define kbd_pause() do { } while(0)
  91
  92 /*
  93  * Machine specific bits for the PS/2 driver
  94  */
  95
  96 #define AUX_IRQ 12
  97
  98 #define aux_request_irq(hand, dev_id)                                   \
  99         request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id)
 100
 101 #define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)
 102
 103 #endif /* __KERNEL__ */
 104
 105 #endif /* __ASMPPC_KEYBOARD_H */