keyboard.h
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上传日期:2013-02-24
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文件大小:2k
- /*
- * linux/include/asm-arm/arch-shark/keyboard.h
- * by Alexander Schulz
- *
- * Derived from linux/include/asm-arm/arch-ebsa285/keyboard.h
- * (C) 1998 Russell King
- * (C) 1998 Phil Blundell
- */
- #include <linux/config.h>
- #include <linux/ioport.h>
- #include <asm/irq.h>
- #include <asm/io.h>
- #include <asm/system.h>
- #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)
- {
- 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();
- }
- /*
- * PC Keyboard specifics
- */
- /* 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)