1 /* 2 * Copyright 2005-2010 Haiku, Inc. 3 * Distributed under the terms of the MIT License. 4 * 5 * PS/2 bus manager 6 * 7 * Authors (in chronological order): 8 * Marcus Overhagen (marcus@overhagen.de) 9 */ 10 #ifndef __PS2_DEV_H 11 #define __PS2_DEV_H 12 13 14 struct ps2_dev; 15 typedef struct ps2_dev ps2_dev; 16 17 #include "ps2_common.h" 18 19 20 typedef struct { 21 bigtime_t time; 22 uint8 data; 23 bool error; 24 } data_history; 25 26 struct ps2_dev { 27 const char * name; 28 bool active; 29 uint8 idx; 30 sem_id result_sem; 31 vint32 flags; 32 uint8 * result_buf; 33 int result_buf_idx; 34 int result_buf_cnt; 35 void * cookie; 36 data_history history[2]; 37 ps2_dev * parent_dev; 38 size_t packet_size; 39 40 // functions 41 void (*disconnect)(ps2_dev *); 42 int32 (*handle_int)(ps2_dev *); 43 status_t (*command)(ps2_dev *dev, uint8 cmd, const uint8 *out, 44 int out_count, uint8 *in, int in_count, bigtime_t timeout); 45 }; 46 47 #define PS2_DEVICE_COUNT 6 48 49 extern ps2_dev ps2_device[PS2_DEVICE_COUNT]; 50 51 #define PS2_DEVICE_MOUSE 0 52 #define PS2_DEVICE_SYN_PASSTHROUGH 4 53 #define PS2_DEVICE_KEYB 5 54 55 #define PS2_FLAG_KEYB (1 << 0) 56 #define PS2_FLAG_OPEN (1 << 1) 57 #define PS2_FLAG_ENABLED (1 << 2) 58 #define PS2_FLAG_CMD (1 << 3) 59 #define PS2_FLAG_ACK (1 << 4) 60 #define PS2_FLAG_NACK (1 << 5) 61 #define PS2_FLAG_GETID (1 << 6) 62 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 68 void ps2_dev_send(ps2_dev *dev, uint8 data); 69 70 status_t ps2_dev_detect_pointing(ps2_dev *dev, device_hooks **hooks); 71 72 status_t ps2_dev_init(void); 73 void ps2_dev_exit(void); 74 75 status_t standard_command_timeout(ps2_dev *dev, uint8 cmd, const uint8 *out, 76 int out_count, uint8 *in, int in_count, bigtime_t timeout); 77 78 status_t ps2_dev_command(ps2_dev *dev, uint8 cmd, const uint8 *out, 79 int out_count, uint8 *in, int in_count); 80 status_t ps2_dev_command_timeout(ps2_dev *dev, uint8 cmd, const uint8 *out, 81 int out_count, uint8 *in, int in_count, bigtime_t timeout); 82 83 status_t ps2_reset_mouse(ps2_dev *dev); 84 85 void ps2_dev_publish(ps2_dev *dev); 86 void ps2_dev_unpublish(ps2_dev *dev); 87 88 int32 ps2_dev_handle_int(ps2_dev *dev); 89 90 #ifdef __cplusplus 91 } 92 #endif 93 94 95 #endif /* __PS2_DEV_H */ 96