/*
 * Copyright 2009, Haiku Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _SCSI_H
#define _SCSI_H


#include <Drivers.h>
#include <OS.h>
#include <SupportDefs.h>


/* SCSI device types */
#define B_SCSI_DISK             0x00
#define B_SCSI_TAPE             0x01
#define B_SCSI_PRINTER  0x02
#define B_SCSI_CPU              0x03
#define B_SCSI_WORM             0x04
#define B_SCSI_CD               0x05
#define B_SCSI_SCANNER  0x06
#define B_SCSI_OPTICAL  0x07
#define B_SCSI_JUKEBOX  0x08
#define B_SCSI_NETWORK  0x09


/* SCSI device masks */
#define B_SCSI_ALL_DEVICES_MASK         0xffffffff
#define B_SCSI_DISK_MASK                        (1 << (B_SCSI_DISK))
#define B_SCSI_TAPE_MASK                        (1 << (B_SCSI_TAPE))
#define B_SCSI_PRINTER_MASK                     (1 << (B_SCSI_PRINTER))
#define B_SCSI_CPU_MASK                         (1 << (B_SCSI_CPU))
#define B_SCSI_WORM_MASK                        (1 << (B_SCSI_WORM))
#define B_SCSI_CD_MASK                          (1 << (B_SCSI_CD))
#define B_SCSI_SCANNER_MASK                     (1 << (B_SCSI_SCANNER))
#define B_SCSI_OPTICAL_MASK                     (1 << (B_SCSI_OPTICAL))
#define B_SCSI_JUKEBOX_MASK                     (1 << (B_SCSI_JUKEBOX))
#define B_SCSI_NETWORK_MASK                     (1 << (B_SCSI_NETWORK))


enum {
        B_SCSI_SCAN_FOR_DEVICES = B_DEVICE_OP_CODES_END + 1,
        B_SCSI_ENABLE_PROFILING
};


enum {
        B_SCSI_INQUIRY = B_DEVICE_OP_CODES_END + 100,
        B_SCSI_EJECT,
        B_SCSI_PREVENT_ALLOW,
        B_RAW_DEVICE_COMMAND
};


typedef struct {
        uchar   inquiry_data[36];
} scsi_inquiry;


enum {
        B_SCSI_GET_TOC = B_DEVICE_OP_CODES_END + 200,
        B_SCSI_PLAY_TRACK,
        B_SCSI_PLAY_POSITION,
        B_SCSI_STOP_AUDIO,
        B_SCSI_PAUSE_AUDIO,
        B_SCSI_RESUME_AUDIO,
        B_SCSI_GET_POSITION,
        B_SCSI_SET_VOLUME,
        B_SCSI_GET_VOLUME,
        B_SCSI_READ_CD,
        B_SCSI_SCAN,
        B_SCSI_DATA_MODE
};


typedef struct {
        uchar   toc_data[804];
} scsi_toc;


typedef struct {
        uchar   start_track;
        uchar   start_index;
        uchar   end_track;
        uchar   end_index;
} scsi_play_track;


typedef struct {
        uchar   start_m;
        uchar   start_s;
        uchar   start_f;
        uchar   end_m;
        uchar   end_s;
        uchar   end_f;
} scsi_play_position;


typedef struct {
        uchar   position[16];
} scsi_position;


typedef struct {
        uchar   flags;
        uchar   port0_channel;
        uchar   port0_volume;
        uchar   port1_channel;
        uchar   port1_volume;
        uchar   port2_channel;
        uchar   port2_volume;
        uchar   port3_channel;
        uchar   port3_volume;
} scsi_volume;


#define B_SCSI_PORT0_CHANNEL    0x01
#define B_SCSI_PORT0_VOLUME             0x02
#define B_SCSI_PORT1_CHANNEL    0x04
#define B_SCSI_PORT1_VOLUME             0x08
#define B_SCSI_PORT2_CHANNEL    0x10
#define B_SCSI_PORT2_VOLUME             0x20
#define B_SCSI_PORT3_CHANNEL    0x40
#define B_SCSI_PORT3_VOLUME             0x80


typedef struct {
        uchar   start_m;
        uchar   start_s;
        uchar   start_f;
        uchar   length_m;
        uchar   length_s;
        uchar   length_f;
        long    buffer_length;
        char*   buffer;
        bool    play;
} scsi_read_cd;


typedef struct {
        char    speed;
        char    direction;
} scsi_scan;


typedef struct {
        off_t   block;
        int32   mode;
} scsi_data_mode;


typedef struct {
        uint8           command[16];
        uint8           command_length;
        uint8           flags;
        uint8           scsi_status;
        uint8           cam_status;
        void*           data;
        size_t          data_length;
        void*           sense_data;
        size_t          sense_data_length;
        bigtime_t       timeout;
} raw_device_command;


enum {
        B_RAW_DEVICE_DATA_IN                    = 0x01,
        B_RAW_DEVICE_REPORT_RESIDUAL    = 0x02,
        B_RAW_DEVICE_SHORT_READ_VALID   = 0x04
};

#endif /* _SCSI_H */