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/* * linux/include/asm-arm/arch-ebsa285/keyboard.h * * Keyboard driver definitions for EBSA285 architecture * * (C) 1998 Russell King * (C) 1998 Phil Blundell */ #include <linux/ioport.h> #include <asm/irq.h> #include <asm/io.h> #include <asm/system.h> extern int have_isa_bridge; 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]; #define KEYBOARD_IRQ IRQ_ISA_KEYBOARD #define NR_SCANCODES 128 #define kbd_setkeycode(sc,kc) \ ({ \ int __ret; \ if (have_isa_bridge) \ __ret = pckbd_setkeycode(sc,kc);\ else \ __ret = -EINVAL; \ __ret; \ }) #define kbd_getkeycode(sc) \ ({ \ int __ret; \ if (have_isa_bridge) \ __ret = pckbd_getkeycode(sc); \ else \ __ret = -EINVAL; \ __ret; \ }) #define kbd_translate(sc, kcp, rm) \ ({ \ pckbd_translate(sc, kcp, rm); \ }) #define kbd_unexpected_up pckbd_unexpected_up #define kbd_leds(leds) \ do { \ if (have_isa_bridge) \ pckbd_leds(leds); \ } while (0) #define kbd_init_hw() \ do { \ if (have_isa_bridge) \ pckbd_init_hw(); \ } while (0) #define kbd_sysrq_xlate pckbd_sysrq_xlate #define kbd_disable_irq() #define kbd_enable_irq() #define SYSRQ_KEY 0x54 /* 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) /* * Machine specific bits for the PS/2 driver */ #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) |