| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * sound/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 |