src/add-ons/kernel/bus_managers/ps2/ps2_dev.h

   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 #define PS2_FLAG_RESEND         (1 << 7)
  63
  64
  65 #ifdef __cplusplus
  66 extern "C" {
  67 #endif
  68
  69 void            ps2_dev_send(ps2_dev *dev, uint8 data);
  70
  71 status_t        ps2_dev_detect_pointing(ps2_dev *dev, device_hooks **hooks);
  72
  73 status_t        ps2_dev_init(void);
  74 void            ps2_dev_exit(void);
  75
  76 status_t        standard_command_timeout(ps2_dev *dev, uint8 cmd, const uint8 *out,
  77                                 int out_count, uint8 *in, int in_count, bigtime_t timeout);
  78
  79 status_t        ps2_dev_command(ps2_dev *dev, uint8 cmd, const uint8 *out,
  80                                 int out_count, uint8 *in, int in_count);
  81 status_t        ps2_dev_command_timeout(ps2_dev *dev, uint8 cmd, const uint8 *out,
  82                                 int out_count, uint8 *in, int in_count, bigtime_t timeout);
  83
  84 status_t        ps2_reset_mouse(ps2_dev *dev);
  85
  86 void            ps2_dev_publish(ps2_dev *dev);
  87 void            ps2_dev_unpublish(ps2_dev *dev);
  88
  89 int32           ps2_dev_handle_int(ps2_dev *dev);
  90
  91 #ifdef __cplusplus
  92 }
  93 #endif
  94
  95
  96 #endif  /* __PS2_DEV_H */