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lxdream.org :: lxdream/src/gdrom/packet.h
lxdream 0.9.1
released Jun 29
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filename src/gdrom/packet.h
changeset 158:a0a82246b44e
prev149:d88dd2e9a190
next245:a1d0655a88d3
author nkeynes
date Thu Jun 15 10:32:42 2006 +0000 (15 years ago)
permissions -rw-r--r--
last change Fix IDE DMA to actually work for real.
Implement the mystery packet 0x71 by cribbing a block of data from the dc.
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     1 /**
     2  * $Id: packet.h,v 1.4 2006-06-15 10:32:42 nkeynes Exp $
     3  *
     4  * This file defines the command codes and any other flags used by the 
     5  * GD-Rom ATAPI packet commands.
     6  *
     7  * Copyright (c) 2005 Nathan Keynes.
     8  *
     9  * This program is free software; you can redistribute it and/or modify
    10  * it under the terms of the GNU General Public License as published by
    11  * the Free Software Foundation; either version 2 of the License, or
    12  * (at your option) any later version.
    13  *
    14  * This program is distributed in the hope that it will be useful,
    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    17  * GNU General Public License for more details.
    18  */
    20 /**
    21  * Valid command codes (hex):
    22  * 00  Test 
    23  * 10
    24  * 11  Inquiry
    25  * 12
    26  * 13  Request Sense
    27  * 14  Read TOC
    28  * 15
    29  * 16
    30  * 20
    31  * 21
    32  * 22
    33  * 30  Read CD
    34  * 31
    35  * 40
    36  * 50
    37  * 51
    38  * 52
    39  * 53
    40  * 54
    41  * 55
    42  * 70  
    43  * 71
    44  * 72
    45  * 73
    46  * FE
    47  */
    49 #define PKT_CMD_TEST_READY 0x00
    50 #define PKT_CMD_IDENTIFY 0x11
    51 #define PKT_CMD_SENSE    0x13
    52 #define PKT_CMD_READ_TOC 0x14
    53 #define PKT_CMD_SESSION_INFO 0x15
    54 #define PKT_CMD_READ_SECTOR 0x30
    55 #define PKT_CMD_SPIN_UP 0x70 /* ??? */
    56 #define PKT_CMD_71      0x71 /* ??? seems to return garbage */
    58 #define PKT_ERR_OK        0x0000
    59 #define PKT_ERR_NODISC    0x3A02
    60 #define PKT_ERR_BADCMD    0x2005
    61 #define PKT_ERR_BADFIELD  0x2405
    62 #define PKT_ERR_BADREAD   0x0030
    63 #define PKT_ERR_BADREADMODE 0x6405  /* Illegal mode for this track */
    65 #define IDE_READ_MODE1 0x20
    66 #define IDE_READ_RAW   0x30
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