Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/include/asm-mips64/keyboard.h
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1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1994 - 1999 Ralf Baechle 7 */ 8 #ifndef _ASM_KEYBOARD_H 9 #define _ASM_KEYBOARD_H 10 11 #ifdef __KERNEL__ 12 13 #include <linux/config.h> 14 #include <linux/delay.h> 15 #include <linux/ioport.h> 16 #include <linux/kd.h> 17 #include <linux/pm.h> 18 19 #define DISABLE_KBD_DURING_INTERRUPTS 0 20 21 #ifdef CONFIG_PC_KEYB 22 23 extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode); 24 extern int pckbd_getkeycode(unsigned int scancode); 25 extern int pckbd_translate(unsigned char scancode, unsigned char *keycode, 26 char raw_mode); 27 extern char pckbd_unexpected_up(unsigned char keycode); 28 extern void pckbd_leds(unsigned char leds); 29 extern void pckbd_init_hw(void); 30 extern int pckbd_pm_resume(struct pm_dev *, pm_request_t, void *); 31 extern pm_callback pm_kbd_request_override; 32 extern unsigned char pckbd_sysrq_xlate[128]; 33 extern void kbd_forward_char (int ch); 34 35 #define kbd_setkeycode pckbd_setkeycode 36 #define kbd_getkeycode pckbd_getkeycode 37 #define kbd_translate pckbd_translate 38 #define kbd_unexpected_up pckbd_unexpected_up 39 #define kbd_leds pckbd_leds 40 #define kbd_init_hw pckbd_init_hw 41 #define kbd_sysrq_xlate pckbd_sysrq_xlate 42 43 #define SYSRQ_KEY 0x54 44 45 /* Some stoneage hardware needs delays after some operations. */ 46 #define kbd_pause() do { } while(0) 47 48 struct kbd_ops { 49 /* Keyboard driver resource allocation */ 50 void (*kbd_request_region)(void); 51 int (*kbd_request_irq)(void (*handler)(int, void *, struct pt_regs *)); 52 53 /* PSaux driver resource management */ 54 int (*aux_request_irq)(void (*handler)(int, void *, struct pt_regs *)); 55 void (*aux_free_irq)(void); 56 57 /* Methods to access the keyboard processor's I/O registers */ 58 unsigned char (*kbd_read_input)(void); 59 void (*kbd_write_output)(unsigned char val); 60 void (*kbd_write_command)(unsigned char val); 61 unsigned char (*kbd_read_status)(void); 62 }; 63 64 extern struct kbd_ops *kbd_ops; 65 #define kbd_controller_present() (kbd_ops != 0) 66 67 /* Do the actual calls via kbd_ops vector */ 68 #define kbd_request_region() kbd_ops->kbd_request_region() 69 #define kbd_request_irq(handler) kbd_ops->kbd_request_irq(handler) 70 71 #define aux_request_irq(hand, dev_id) kbd_ops->aux_request_irq(hand) 72 #define aux_free_irq(dev_id) kbd_ops->aux_free_irq() 73 74 #define kbd_read_input() kbd_ops->kbd_read_input() 75 #define kbd_write_output(val) kbd_ops->kbd_write_output(val) 76 #define kbd_write_command(val) kbd_ops->kbd_write_command(val) 77 #define kbd_read_status() kbd_ops->kbd_read_status() 78 79 #else 80 81 extern int kbd_setkeycode(unsigned int scancode, unsigned int keycode); 82 extern int kbd_getkeycode(unsigned int scancode); 83 extern int kbd_translate(unsigned char scancode, unsigned char *keycode, 84 char raw_mode); 85 extern char kbd_unexpected_up(unsigned char keycode); 86 extern void kbd_leds(unsigned char leds); 87 extern void kbd_init_hw(void); 88 extern unsigned char *kbd_sysrq_xlate; 89 90 extern unsigned char kbd_sysrq_key; 91 #define SYSRQ_KEY kbd_sysrq_key 92 93 #endif 94 95 #endif /* __KERNEL */ 96 97 #endif /* _ASM_KEYBOARD_H */
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