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/*

 * sound/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