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