include/asm-arm/arch-ebsa285/keyboard.h

   1 /*
   2  * linux/include/asm-arm/arch-ebsa285/keyboard.h
   3  *
   4  * Keyboard driver definitions for EBSA285 architecture
   5  *
   6  * (C) 1998 Russell King
   7  * (C) 1998 Phil Blundell
   8  */
   9 #include <linux/ioport.h>
  10 #include <asm/irq.h>
  11 #include <asm/system.h>
  12
  13 extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode);
  14 extern int pckbd_getkeycode(unsigned int scancode);
  15 extern int pckbd_translate(unsigned char scancode, unsigned char *keycode,
  16                            char raw_mode);
  17 extern char pckbd_unexpected_up(unsigned char keycode);
  18 extern void pckbd_leds(unsigned char leds);
  19 extern void pckbd_init_hw(void);
  20 extern unsigned char pckbd_sysrq_xlate[128];
  21
  22 #define KEYBOARD_IRQ                    IRQ_ISA_KEYBOARD
  23
  24 #define NR_SCANCODES 128
  25
  26 #define kbd_setkeycode(sc,kc)                           \
  27         ({                                              \
  28                 int __ret;                              \
  29                 if (have_isa_bridge)                    \
  30                         __ret = pckbd_setkeycode(sc,kc);\
  31                 else                                    \
  32                         __ret = -EINVAL;                \
  33                 __ret;                                  \
  34         })
  35
  36 #define kbd_getkeycode(sc)                              \
  37         ({                                              \
  38                 int __ret;                              \
  39                 if (have_isa_bridge)                    \
  40                         __ret = pckbd_getkeycode(sc);   \
  41                 else                                    \
  42                         __ret = -EINVAL;                \
  43                 __ret;                                  \
  44         })
  45
  46 #define kbd_translate(sc, kcp, rm)                      \
  47         ({                                              \
  48                 pckbd_translate(sc, kcp, rm);           \
  49         })
  50
  51 #define kbd_unexpected_up               pckbd_unexpected_up
  52
  53 #define kbd_leds(leds)                                  \
  54         do {                                            \
  55                 if (have_isa_bridge)                    \
  56                         pckbd_leds(leds);               \
  57         } while (0)
  58
  59 #define kbd_init_hw()                                   \
  60         do {                                            \
  61                 if (have_isa_bridge)                    \
  62                         pckbd_init_hw();                \
  63         } while (0)
  64
  65 #define kbd_sysrq_xlate                 pckbd_sysrq_xlate
  66
  67 #define kbd_disable_irq()
  68 #define kbd_enable_irq()
  69
  70 #define SYSRQ_KEY       0x54
  71
  72 /* resource allocation */
  73 #define kbd_request_region()    request_region(0x60, 16, "keyboard")
  74 #define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \
  75                                              "keyboard", NULL)
  76
  77 /* How to access the keyboard macros on this platform.  */
  78 #define kbd_read_input() inb(KBD_DATA_REG)
  79 #define kbd_read_status() inb(KBD_STATUS_REG)
  80 #define kbd_write_output(val) outb(val, KBD_DATA_REG)
  81 #define kbd_write_command(val) outb(val, KBD_CNTL_REG)
  82
  83 /* Some stoneage hardware needs delays after some operations.  */
  84 #define kbd_pause() do { } while(0)
  85
  86 #define aux_request_irq(hand, dev_id)                                   \
  87         request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id)
  88
  89 #define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)
  90