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1/*
2 * sound/oss/awe_hw.h
3 *
4 * Access routines and definitions for the low level driver for the
5 * Creative AWE32/SB32/AWE64 wave table synth.
6 * version 0.4.4; Jan. 4, 2000
7 *
8 * Copyright (C) 1996-2000 Takashi Iwai
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25#ifndef AWE_HW_H_DEF
26#define AWE_HW_H_DEF
27
28/*
29 * Emu-8000 control registers
30 * name(channel) reg, port
31 */
32
33#define awe_cmd_idx(reg,ch) (((reg)<< 5) | (ch))
34
35#define Data0 0 /* 0x620: doubleword r/w */
36#define Data1 1 /* 0xA20: doubleword r/w */
37#define Data2 2 /* 0xA22: word r/w */
38#define Data3 3 /* 0xE20: word r/w */
39#define Pointer 4 /* 0xE22 register pointer r/w */
40
41#define AWE_CPF(ch) awe_cmd_idx(0,ch), Data0 /* DW: current pitch and fractional address */
42#define AWE_PTRX(ch) awe_cmd_idx(1,ch), Data0 /* DW: pitch target and reverb send */
43#define AWE_CVCF(ch) awe_cmd_idx(2,ch), Data0 /* DW: current volume and filter cutoff */
44#define AWE_VTFT(ch) awe_cmd_idx(3,ch), Data0 /* DW: volume and filter cutoff targets */
45#define AWE_0080(ch) awe_cmd_idx(4,ch), Data0 /* DW: ?? */
46#define AWE_00A0(ch) awe_cmd_idx(5,ch), Data0 /* DW: ?? */
47#define AWE_PSST(ch) awe_cmd_idx(6,ch), Data0 /* DW: pan send and loop start address */
48#define AWE_CSL(ch) awe_cmd_idx(7,ch), Data0 /* DW: chorus send and loop end address */
49#define AWE_CCCA(ch) awe_cmd_idx(0,ch), Data1 /* DW: Q, control bits, and current address */
50#define AWE_HWCF4 awe_cmd_idx(1,9), Data1 /* DW: config dw 4 */
51#define AWE_HWCF5 awe_cmd_idx(1,10), Data1 /* DW: config dw 5 */
52#define AWE_HWCF6 awe_cmd_idx(1,13), Data1 /* DW: config dw 6 */
53#define AWE_HWCF7 awe_cmd_idx(1,14), Data1 /* DW: config dw 7? (not documented) */
54#define AWE_SMALR awe_cmd_idx(1,20), Data1 /* DW: sound memory address for left read */
55#define AWE_SMARR awe_cmd_idx(1,21), Data1 /* DW: for right read */
56#define AWE_SMALW awe_cmd_idx(1,22), Data1 /* DW: sound memory address for left write */
57#define AWE_SMARW awe_cmd_idx(1,23), Data1 /* DW: for right write */
58#define AWE_SMLD awe_cmd_idx(1,26), Data1 /* W: sound memory left data */
59#define AWE_SMRD awe_cmd_idx(1,26), Data2 /* W: right data */
60#define AWE_WC awe_cmd_idx(1,27), Data2 /* W: sample counter */
61#define AWE_WC_Cmd awe_cmd_idx(1,27)
62#define AWE_WC_Port Data2
63#define AWE_HWCF1 awe_cmd_idx(1,29), Data1 /* W: config w 1 */
64#define AWE_HWCF2 awe_cmd_idx(1,30), Data1 /* W: config w 2 */
65#define AWE_HWCF3 awe_cmd_idx(1,31), Data1 /* W: config w 3 */
66#define AWE_INIT1(ch) awe_cmd_idx(2,ch), Data1 /* W: init array 1 */
67#define AWE_INIT2(ch) awe_cmd_idx(2,ch), Data2 /* W: init array 2 */
68#define AWE_INIT3(ch) awe_cmd_idx(3,ch), Data1 /* W: init array 3 */
69#define AWE_INIT4(ch) awe_cmd_idx(3,ch), Data2 /* W: init array 4 */
70#define AWE_ENVVOL(ch) awe_cmd_idx(4,ch), Data1 /* W: volume envelope delay */
71#define AWE_DCYSUSV(ch) awe_cmd_idx(5,ch), Data1 /* W: volume envelope sustain and decay */
72#define AWE_ENVVAL(ch) awe_cmd_idx(6,ch), Data1 /* W: modulation envelope delay */
73#define AWE_DCYSUS(ch) awe_cmd_idx(7,ch), Data1 /* W: modulation envelope sustain and decay */
74#define AWE_ATKHLDV(ch) awe_cmd_idx(4,ch), Data2 /* W: volume envelope attack and hold */
75#define AWE_LFO1VAL(ch) awe_cmd_idx(5,ch), Data2 /* W: LFO#1 Delay */
76#define AWE_ATKHLD(ch) awe_cmd_idx(6,ch), Data2 /* W: modulation envelope attack and hold */
77#define AWE_LFO2VAL(ch) awe_cmd_idx(7,ch), Data2 /* W: LFO#2 Delay */
78#define AWE_IP(ch) awe_cmd_idx(0,ch), Data3 /* W: initial pitch */
79#define AWE_IFATN(ch) awe_cmd_idx(1,ch), Data3 /* W: initial filter cutoff and attenuation */
80#define AWE_PEFE(ch) awe_cmd_idx(2,ch), Data3 /* W: pitch and filter envelope heights */
81#define AWE_FMMOD(ch) awe_cmd_idx(3,ch), Data3 /* W: vibrato and filter modulation freq */
82#define AWE_TREMFRQ(ch) awe_cmd_idx(4,ch), Data3 /* W: LFO#1 tremolo amount and freq */
83#define AWE_FM2FRQ2(ch) awe_cmd_idx(5,ch), Data3 /* W: LFO#2 vibrato amount and freq */
84
85/* used during detection (returns ROM version?; not documented in ADIP) */
86#define AWE_U1 0xE0, Data3 /* (R)(W) used in initialization */
87#define AWE_U2(ch) 0xC0+(ch), Data3 /* (W)(W) used in init envelope */
88
89
90#define AWE_MAX_VOICES 32
91#define AWE_NORMAL_VOICES 30 /*30&31 are reserved for DRAM refresh*/
92
93#define AWE_MAX_CHANNELS 32 /* max midi channels (must >= voices) */
94#define AWE_MAX_LAYERS AWE_MAX_VOICES /* maximum number of multiple layers */
95
96#define AWE_DRAM_OFFSET 0x200000
97#define AWE_MAX_DRAM_SIZE (28 * 1024) /* 28 MB is max onboard memory */
98
99#endif
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