/*
* sound/oss/awe_hw.h
*
* Access routines and definitions for the low level driver for the
* Creative AWE32/SB32/AWE64 wave table synth.
* version 0.4.4; Jan. 4, 2000
*
* Copyright (C) 1996-2000 Takashi Iwai
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef AWE_HW_H_DEF
#define AWE_HW_H_DEF
/*
* Emu-8000 control registers
* name(channel) reg, port
*/
#define awe_cmd_idx(reg,ch) (((reg)<< 5) | (ch))
#define Data0 0 /* 0x620: doubleword r/w */
#define Data1 1 /* 0xA20: doubleword r/w */
#define Data2 2 /* 0xA22: word r/w */
#define Data3 3 /* 0xE20: word r/w */
#define Pointer 4 /* 0xE22 register pointer r/w */
#define AWE_CPF(ch) awe_cmd_idx(0,ch), Data0 /* DW: current pitch and fractional address */
#define AWE_PTRX(ch) awe_cmd_idx(1,ch), Data0 /* DW: pitch target and reverb send */
#define AWE_CVCF(ch) awe_cmd_idx(2,ch), Data0 /* DW: current volume and filter cutoff */
#define AWE_VTFT(ch) awe_cmd_idx(3,ch), Data0 /* DW: volume and filter cutoff targets */
#define AWE_0080(ch) awe_cmd_idx(4,ch), Data0 /* DW: ?? */
#define AWE_00A0(ch) awe_cmd_idx(5,ch), Data0 /* DW: ?? */
#define AWE_PSST(ch) awe_cmd_idx(6,ch), Data0 /* DW: pan send and loop start address */
#define AWE_CSL(ch) awe_cmd_idx(7,ch), Data0 /* DW: chorus send and loop end address */
#define AWE_CCCA(ch) awe_cmd_idx(0,ch), Data1 /* DW: Q, control bits, and current address */
#define AWE_HWCF4 awe_cmd_idx(1,9), Data1 /* DW: config dw 4 */
#define AWE_HWCF5 awe_cmd_idx(1,10), Data1 /* DW: config dw 5 */
#define AWE_HWCF6 awe_cmd_idx(1,13), Data1 /* DW: config dw 6 */
#define AWE_HWCF7 awe_cmd_idx(1,14), Data1 /* DW: config dw 7? (not documented) */
#define AWE_SMALR awe_cmd_idx(1,20), Data1 /* DW: sound memory address for left read */
#define AWE_SMARR awe_cmd_idx(1,21), Data1 /* DW: for right read */
#define AWE_SMALW awe_cmd_idx(1,22), Data1 /* DW: sound memory address for left write */
#define AWE_SMARW awe_cmd_idx(1,23), Data1 /* DW: for right write */
#define AWE_SMLD awe_cmd_idx(1,26), Data1 /* W: sound memory left data */
#define AWE_SMRD awe_cmd_idx(1,26), Data2 /* W: right data */
#define AWE_WC awe_cmd_idx(1,27), Data2 /* W: sample counter */
#define AWE_WC_Cmd awe_cmd_idx(1,27)
#define AWE_WC_Port Data2
#define AWE_HWCF1 awe_cmd_idx(1,29), Data1 /* W: config w 1 */
#define AWE_HWCF2 awe_cmd_idx(1,30), Data1 /* W: config w 2 */
#define AWE_HWCF3 awe_cmd_idx(1,31), Data1 /* W: config w 3 */
#define AWE_INIT1(ch) awe_cmd_idx(2,ch), Data1 /* W: init array 1 */
#define AWE_INIT2(ch) awe_cmd_idx(2,ch), Data2 /* W: init array 2 */
#define AWE_INIT3(ch) awe_cmd_idx(3,ch), Data1 /* W: init array 3 */
#define AWE_INIT4(ch) awe_cmd_idx(3,ch), Data2 /* W: init array 4 */
#define AWE_ENVVOL(ch) awe_cmd_idx(4,ch), Data1 /* W: volume envelope delay */
#define AWE_DCYSUSV(ch) awe_cmd_idx(5,ch), Data1 /* W: volume envelope sustain and decay */
#define AWE_ENVVAL(ch) awe_cmd_idx(6,ch), Data1 /* W: modulation envelope delay */
#define AWE_DCYSUS(ch) awe_cmd_idx(7,ch), Data1 /* W: modulation envelope sustain and decay */
#define AWE_ATKHLDV(ch) awe_cmd_idx(4,ch), Data2 /* W: volume envelope attack and hold */
#define AWE_LFO1VAL(ch) awe_cmd_idx(5,ch), Data2 /* W: LFO#1 Delay */
#define AWE_ATKHLD(ch) awe_cmd_idx(6,ch), Data2 /* W: modulation envelope attack and hold */
#define AWE_LFO2VAL(ch) awe_cmd_idx(7,ch), Data2 /* W: LFO#2 Delay */
#define AWE_IP(ch) awe_cmd_idx(0,ch), Data3 /* W: initial pitch */
#define AWE_IFATN(ch) awe_cmd_idx(1,ch), Data3 /* W: initial filter cutoff and attenuation */
#define AWE_PEFE(ch) awe_cmd_idx(2,ch), Data3 /* W: pitch and filter envelope heights */
#define AWE_FMMOD(ch) awe_cmd_idx(3,ch), Data3 /* W: vibrato and filter modulation freq */
#define AWE_TREMFRQ(ch) awe_cmd_idx(4,ch), Data3 /* W: LFO#1 tremolo amount and freq */
#define AWE_FM2FRQ2(ch) awe_cmd_idx(5,ch), Data3 /* W: LFO#2 vibrato amount and freq */
/* used during detection (returns ROM version?; not documented in ADIP) */
#define AWE_U1 0xE0, Data3 /* (R)(W) used in initialization */
#define AWE_U2(ch) 0xC0+(ch), Data3 /* (W)(W) used in init envelope */
#define AWE_MAX_VOICES 32
#define AWE_NORMAL_VOICES 30 /*30&31 are reserved for DRAM refresh*/
#define AWE_MAX_CHANNELS 32 /* max midi channels (must >= voices) */
#define AWE_MAX_LAYERS AWE_MAX_VOICES /* maximum number of multiple layers */
#define AWE_DRAM_OFFSET 0x200000
#define AWE_MAX_DRAM_SIZE (28 * 1024) /* 28 MB is max onboard memory */
#endif
