1/*
2 * linux/include/asm-arm/arch-shark/keyboard.h
3 * by Alexander Schulz
4 *
5 * Derived from linux/include/asm-arm/arch-ebsa285/keyboard.h
6 * (C) 1998 Russell King
7 * (C) 1998 Phil Blundell
8 */
9#include <linux/config.h>
10#include <linux/ioport.h>
11#include <asm/irq.h>
12#include <asm/io.h>
13#include <asm/system.h>
14
15#define KEYBOARD_IRQ			IRQ_ISA_KEYBOARD
16#define NR_SCANCODES			128
17
18#define kbd_disable_irq()		do { } while (0)
19#define kbd_enable_irq()		do { } while (0)
20
21extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode);
22extern int pckbd_getkeycode(unsigned int scancode);
23extern int pckbd_translate(unsigned char scancode, unsigned char *keycode,
24			   char raw_mode);
25extern char pckbd_unexpected_up(unsigned char keycode);
26extern void pckbd_leds(unsigned char leds);
27extern void pckbd_init_hw(void);
28extern unsigned char pckbd_sysrq_xlate[128];
29
30static inline void kbd_init_hw(void)
31{
32		k_setkeycode    = pckbd_setkeycode;
33		k_getkeycode    = pckbd_getkeycode;
34		k_translate     = pckbd_translate;
35		k_unexpected_up = pckbd_unexpected_up;
36		k_leds          = pckbd_leds;
37#ifdef CONFIG_MAGIC_SYSRQ
38		k_sysrq_key     = 0x54;
39		k_sysrq_xlate   = pckbd_sysrq_xlate;
40#endif
41		pckbd_init_hw();
42}
43
44/*
45 * PC Keyboard specifics
46 */
47
48/* resource allocation */
49#define kbd_request_region() request_region(0x60, 16, "keyboard")
50#define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \
51                                             "keyboard", NULL)
52
53/* How to access the keyboard macros on this platform.  */
54#define kbd_read_input() inb(KBD_DATA_REG)
55#define kbd_read_status() inb(KBD_STATUS_REG)
56#define kbd_write_output(val) outb(val, KBD_DATA_REG)
57#define kbd_write_command(val) outb(val, KBD_CNTL_REG)
58
59/* Some stoneage hardware needs delays after some operations.  */
60#define kbd_pause() do { } while(0)
61
62/*
63 * Machine specific bits for the PS/2 driver
64 */
65#define aux_request_irq(hand, dev_id)					\
66	request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id)
67
68#define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)
69