xref: /openbmc/qemu/hw/audio/gustate.h (revision 1c8e93fb)
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