LXR qemu/hw/audio/gustate.h

   1/*
   2 * GUSEMU32 - persistent GUS register state
   3 *
   4 * Copyright (C) 2000-2007 Tibor "TS" Schütz
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24
  25#ifndef GUSTATE_H
  26#define GUSTATE_H
  27
  28/*state block offset*/
  29#define gusdata (0)
  30
  31/* data stored using this structure is in host byte order! */
  32
  33/*access type*/
  34#define PortRead  (0)
  35#define PortWrite (1)
  36
  37#define Port8Bitacc  (0)
  38#define Port16Bitacc (1)
  39
  40/*voice register offsets (in bytes)*/
  41#define VSRegs (0)
  42#define VSRControl          (0)
  43#define VSRegsEnd (VSRControl+VSRegs + 32*(16*2))
  44#define VSRFreq             (2)
  45#define VSRLoopStartHi      (4)
  46#define VSRLoopStartLo      (6)
  47#define VSRLoopEndHi        (8)
  48#define VSRLoopEndLo       (10)
  49#define VSRVolRampRate     (12)
  50#define VSRVolRampStartVol (14)
  51#define VSRVolRampEndVol   (16)
  52#define VSRCurrVol         (18)
  53#define VSRCurrPosHi       (20)
  54#define VSRCurrPosLo       (22)
  55#define VSRPanning         (24)
  56#define VSRVolRampControl  (26)
  57
  58/*voice register offsets (in words)*/
  59#define wVSRegs (0)
  60#define wVSRControl         (0)
  61#define wVSRegsEnd (wVSRControl+wVSRegs + 32*(16))
  62#define wVSRFreq            (1)
  63#define wVSRLoopStartHi     (2)
  64#define wVSRLoopStartLo     (3)
  65#define wVSRLoopEndHi       (4)
  66#define wVSRLoopEndLo       (5)
  67#define wVSRVolRampRate     (6)
  68#define wVSRVolRampStartVol (7)
  69#define wVSRVolRampEndVol   (8)
  70#define wVSRCurrVol         (9)
  71#define wVSRCurrPosHi      (10)
  72#define wVSRCurrPosLo      (11)
  73#define wVSRPanning        (12)
  74#define wVSRVolRampControl (13)
  75
  76/*GUS register state block: 32 voices, padding filled with remaining registers*/
  77#define DataRegLoByte3x4  (VSRVolRampControl+2)
  78#define  DataRegWord3x4 (DataRegLoByte3x4)
  79#define DataRegHiByte3x5  (VSRVolRampControl+2       +1)
  80#define DMA_2xB (VSRVolRampControl+2+2)
  81#define IRQ_2xB (VSRVolRampControl+2+3)
  82
  83#define RegCtrl_2xF       (VSRVolRampControl+2+(16*2))
  84#define Jumper_2xB        (VSRVolRampControl+2+(16*2)+1)
  85#define GUS42DMAStart     (VSRVolRampControl+2+(16*2)+2)
  86
  87#define GUS43DRAMIOlo     (VSRVolRampControl+2+(16*2)*2)
  88#define  GUSDRAMPOS24bit (GUS43DRAMIOlo)
  89#define GUS44DRAMIOhi     (VSRVolRampControl+2+(16*2)*2+2)
  90
  91#define voicewavetableirq (VSRVolRampControl+2+(16*2)*3) /* voice IRQ pseudoqueue: 1 bit per voice */
  92
  93#define voicevolrampirq   (VSRVolRampControl+2+(16*2)*4) /* voice IRQ pseudoqueue: 1 bit per voice */
  94
  95#define startvoices       (VSRVolRampControl+2+(16*2)*5) /* statistics / optimizations */
  96
  97#define IRQStatReg2x6     (VSRVolRampControl+2+(16*2)*6)
  98#define TimerStatus2x8    (VSRVolRampControl+2+(16*2)*6+1)
  99#define TimerDataReg2x9   (VSRVolRampControl+2+(16*2)*6+2)
 100#define MixerCtrlReg2x0   (VSRVolRampControl+2+(16*2)*6+3)
 101
 102#define VoiceSelReg3x2    (VSRVolRampControl+2+(16*2)*7)
 103#define FunkSelReg3x3     (VSRVolRampControl+2+(16*2)*7+1)
 104#define AdLibStatus2x8    (VSRVolRampControl+2+(16*2)*7+2)
 105#define StatRead_2xF      (VSRVolRampControl+2+(16*2)*7+3)
 106
 107#define GUS48SampSpeed    (VSRVolRampControl+2+(16*2)*8)
 108#define GUS41DMACtrl      (VSRVolRampControl+2+(16*2)*8+1)
 109#define GUS45TimerCtrl    (VSRVolRampControl+2+(16*2)*8+2)
 110#define GUS46Counter1     (VSRVolRampControl+2+(16*2)*8+3)
 111
 112#define GUS47Counter2     (VSRVolRampControl+2+(16*2)*9)
 113#define GUS49SampCtrl     (VSRVolRampControl+2+(16*2)*9+1)
 114#define GUS4cReset        (VSRVolRampControl+2+(16*2)*9+2)
 115#define NumVoices         (VSRVolRampControl+2+(16*2)*9+3)
 116
 117#define TimerIRQs         (VSRVolRampControl+2+(16*2)*10)   /* delayed IRQ, statistics */
 118#define BusyTimerIRQs     (VSRVolRampControl+2+(16*2)*10+2) /* delayed IRQ, statistics */
 119
 120#define AdLibCommand2xA   (VSRVolRampControl+2+(16*2)*11)
 121#define AdLibData2x9      (VSRVolRampControl+2+(16*2)*11+1)
 122#define SB2xCd            (VSRVolRampControl+2+(16*2)*11+2)
 123#define SB2xE             (VSRVolRampControl+2+(16*2)*11+3)
 124
 125#define SynVoiceIRQ8f     (VSRVolRampControl+2+(16*2)*12)
 126#define GUS50DMAHigh      (VSRVolRampControl+2+(16*2)*12+1)
 127
 128#define portaccesses (VSRegsEnd) /* statistics / suspend mode */
 129
 130#define gusdataend (VSRegsEnd+4)
 131
 132#endif  /* gustate.h */
 133