1 #ifndef _LINUX_I8042_H 2 #define _LINUX_I8042_H 3 4 /* 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published by 7 * the Free Software Foundation. 8 */ 9 10 #include <linux/types.h> 11 12 /* 13 * Standard commands. 14 */ 15 16 #define I8042_CMD_CTL_RCTR 0x0120 17 #define I8042_CMD_CTL_WCTR 0x1060 18 #define I8042_CMD_CTL_TEST 0x01aa 19 20 #define I8042_CMD_KBD_DISABLE 0x00ad 21 #define I8042_CMD_KBD_ENABLE 0x00ae 22 #define I8042_CMD_KBD_TEST 0x01ab 23 #define I8042_CMD_KBD_LOOP 0x11d2 24 25 #define I8042_CMD_AUX_DISABLE 0x00a7 26 #define I8042_CMD_AUX_ENABLE 0x00a8 27 #define I8042_CMD_AUX_TEST 0x01a9 28 #define I8042_CMD_AUX_SEND 0x10d4 29 #define I8042_CMD_AUX_LOOP 0x11d3 30 31 #define I8042_CMD_MUX_PFX 0x0090 32 #define I8042_CMD_MUX_SEND 0x1090 33 34 struct serio; 35 36 #if defined(CONFIG_SERIO_I8042) || defined(CONFIG_SERIO_I8042_MODULE) 37 38 void i8042_lock_chip(void); 39 void i8042_unlock_chip(void); 40 int i8042_command(unsigned char *param, int command); 41 bool i8042_check_port_owner(const struct serio *); 42 int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str, 43 struct serio *serio)); 44 int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str, 45 struct serio *serio)); 46 47 #else 48 49 static inline void i8042_lock_chip(void) 50 { 51 } 52 53 static inline void i8042_unlock_chip(void) 54 { 55 } 56 57 static inline int i8042_command(unsigned char *param, int command) 58 { 59 return -ENODEV; 60 } 61 62 static inline bool i8042_check_port_owner(const struct serio *serio) 63 { 64 return false; 65 } 66 67 static inline int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str, 68 struct serio *serio)) 69 { 70 return -ENODEV; 71 } 72 73 static inline int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str, 74 struct serio *serio)) 75 { 76 return -ENODEV; 77 } 78 79 #endif 80 81 #endif 82