/* * linux/include/asm-arm/arch-ebsa285/keyboard.h * * Keyboard driver definitions for EBSA285 architecture * * Copyright (C) 1998-2001 Russell King * (C) 1998 Phil Blundell */ #include #include #include #include #define KEYBOARD_IRQ IRQ_ISA_KEYBOARD #define NR_SCANCODES 128 #define kbd_disable_irq() do { } while (0) #define kbd_enable_irq() do { } while (0) extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode); extern int pckbd_getkeycode(unsigned int scancode); extern int pckbd_translate(unsigned char scancode, unsigned char *keycode, char raw_mode); extern char pckbd_unexpected_up(unsigned char keycode); extern void pckbd_leds(unsigned char leds); extern void pckbd_init_hw(void); extern unsigned char pckbd_sysrq_xlate[128]; static inline void kbd_init_hw(void) { if (have_isa_bridge) { k_setkeycode = pckbd_setkeycode; k_getkeycode = pckbd_getkeycode; k_translate = pckbd_translate; k_unexpected_up = pckbd_unexpected_up; k_leds = pckbd_leds; #ifdef CONFIG_MAGIC_SYSRQ k_sysrq_key = 0x54; k_sysrq_xlate = pckbd_sysrq_xlate; #endif pckbd_init_hw(); } } /* * The rest of this file is to do with supporting pc_keyb.c */ /* resource allocation */ #define kbd_request_region() request_region(0x60, 16, "keyboard") #define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \ "keyboard", NULL) /* How to access the keyboard macros on this platform. */ #define kbd_read_input() inb(KBD_DATA_REG) #define kbd_read_status() inb(KBD_STATUS_REG) #define kbd_write_output(val) outb(val, KBD_DATA_REG) #define kbd_write_command(val) outb(val, KBD_CNTL_REG) /* Some stoneage hardware needs delays after some operations. */ #define kbd_pause() do { } while(0) #define aux_request_irq(hand, dev_id) \ request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id) #define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)