arch/m68k-amiga/devs/cd/cd32.h

   1 /*
   2  * Copyright (C) 2013, The AROS Development Team
   3  * All right reserved.
   4  * Author: Jason S. McMullan <jason.mcmullan@gmail.com>
   5  *
   6  * Licensed under the AROS PUBLIC LICENSE (APL) Version 1.1
   7  */
   8
   9 #ifndef CD32_H
  10 #define CD32_H
  11
  12 /* CD32 Akiko registers */
  13
  14 #define AKIKO_ID        0xb80002        /* u16 */
  15 #define AKIKO_ID_MAGIC  0xCAFE
  16
  17 #define AKIKO_CDINTREQ  0xb80004        /* u32 */
  18 #define AKIKO_CDINTENA  0xb80008        /* u32 */
  19 #define AKIKO_CDINT_SUBCODE     (1 << 31)
  20 #define AKIKO_CDINT_DRIVEXMIT   (1 << 30)
  21 #define AKIKO_CDINT_DRIVERECV   (1 << 29)
  22 #define AKIKO_CDINT_RXDMA       (1 << 28)
  23 #define AKIKO_CDINT_TXDMA       (1 << 27)
  24 #define AKIKO_CDINT_PBX         (1 << 26)
  25 #define AKIKO_CDINT_OVERFLOW    (1 << 25)
  26
  27 #define AKIKO_CDADRDATA 0xb80010        /* u32 */
  28         /* Address must be on a 4K boundary, in the first 16M of address
  29          * Sector data is aligned on 4K boundaries, regardless of
  30          * the actual CD sector size.
  31          * Address +0x000..0xbff Sector DMA index (u32), followed by sector data
  32          *         +0xc00..0xfff Sector error status
  33          */
  34 #define AKIKO_CDADRMISC 0xb80014        /* u32 Address for misc data */
  35         /* Address must be on a 1K boundary, in the first 16M of address
  36          * Address +0x000..0x0ff is Result buffer
  37          *         +0x100..0x1ff is Subcode data
  38          *         +0x200..0x2ff is Command buffer
  39          */
  40 #define AKIKO_CDSUBINX  0xb80018        /* u8 Bytes of subcode recieved */
  41 #define AKIKO_CDTXINX   0xb80019        /* u8 Bytes of Command processed */
  42 #define AKIKO_CDRXINX   0xb8001a        /* u8 Bytes of Result processed */
  43 #define AKIKO_CDTXCMP   0xb8001d        /* u8 Bytes of Command expected */
  44 #define AKIKO_CDRXCMP   0xb8001f        /* u8 Bytes of Result expected */
  45 #define AKIKO_CDPBX     0xb80020        /* u16 Sector mask */
  46
  47 #define AKIKO_CDFLAG    0xb80024        /* u32 */
  48 #define AKIKO_CDFLAG_SUBCODE    (1 << 31)
  49 #define AKIKO_CDFLAG_TXD        (1 << 30)
  50 #define AKIKO_CDFLAG_RXD        (1 << 29)
  51 #define AKIKO_CDFLAG_CAS        (1 << 28)
  52 #define AKIKO_CDFLAG_PBX        (1 << 27)
  53 #define AKIKO_CDFLAG_ENABLE     (1 << 26)
  54 #define AKIKO_CDFLAG_RAW        (1 << 25)
  55 #define AKIKO_CDFLAG_MSB        (1 << 24)
  56 #define AKIKO_CDRESET   0xb80025        /* u8  0x80 = reset, 0x00 = normal */
  57
  58 #define AKIKO_NVRAM     0xb80030        /* u32 */
  59 #define AKIKO_C2P       0xb80038        /* u32 */
  60
  61
  62 #endif /* CD32_H */