path: root/include/alsa/sound/emu10k1.h

#ifndef __SOUND_EMU10K1_H
#define __SOUND_EMU10K1_H

/*
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
 *                   Creative Labs, Inc.
 *  Definitions for EMU10K1 (SB Live!) chips
 *
 *
 *   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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include <stdint.h>

/*
 * ---- FX8010 ----
 */

#define EMU10K1_CARD_CREATIVE                   0x00000000
#define EMU10K1_CARD_EMUAPS                     0x00000001

#define EMU10K1_FX8010_PCM_COUNT                8

/* instruction set */
#define iMAC0    0x00   /* R = A + (X * Y >> 31)   ; saturation */
#define iMAC1    0x01   /* R = A + (-X * Y >> 31)  ; saturation */
#define iMAC2    0x02   /* R = A + (X * Y >> 31)   ; wraparound */
#define iMAC3    0x03   /* R = A + (-X * Y >> 31)  ; wraparound */
#define iMACINT0 0x04   /* R = A + X * Y           ; saturation */
#define iMACINT1 0x05   /* R = A + X * Y           ; wraparound (31-bit) */
#define iACC3    0x06   /* R = A + X + Y           ; saturation */
#define iMACMV   0x07   /* R = A, acc += X * Y >> 31 */
#define iANDXOR  0x08   /* R = (A & X) ^ Y */
#define iTSTNEG  0x09   /* R = (A >= Y) ? X : ~X */
#define iLIMITGE 0x0a   /* R = (A >= Y) ? X : Y */
#define iLIMITLT 0x0b   /* R = (A < Y) ? X : Y */
#define iLOG     0x0c   /* R = linear_data, A (log_data), X (max_exp), Y (format_word) */
#define iEXP     0x0d   /* R = log_data, A (linear_data), X (max_exp), Y (format_word) */
#define iINTERP  0x0e   /* R = A + (X * (Y - A) >> 31)  ; saturation */
#define iSKIP    0x0f   /* R = A (cc_reg), X (count), Y (cc_test) */

/* GPRs */
#define FXBUS(x)        (0x00 + (x))    /* x = 0x00 - 0x0f */
#define EXTIN(x)        (0x10 + (x))    /* x = 0x00 - 0x0f */
#define EXTOUT(x)       (0x20 + (x))    /* x = 0x00 - 0x0f */
#define C_00000000      0x40
#define C_00000001      0x41
#define C_00000002      0x42
#define C_00000003      0x43
#define C_00000004      0x44
#define C_00000008      0x45
#define C_00000010      0x46
#define C_00000020      0x47
#define C_00000100      0x48
#define C_00010000      0x49
#define C_00080000      0x4a
#define C_10000000      0x4b
#define C_20000000      0x4c
#define C_40000000      0x4d
#define C_80000000      0x4e
#define C_7fffffff      0x4f
#define C_ffffffff      0x50
#define C_fffffffe      0x51
#define C_c0000000      0x52
#define C_4f1bbcdc      0x53
#define C_5a7ef9db      0x54
#define C_00100000      0x55            /* ?? */
#define GPR_ACCU        0x56            /* ACCUM, accumulator */
#define GPR_COND        0x57            /* CCR, condition register */
#define GPR_NOISE0      0x58            /* noise source */
#define GPR_NOISE1      0x59            /* noise source */
#define GPR_IRQ         0x5a            /* IRQ register */
#define GPR_DBAC        0x5b            /* TRAM Delay Base Address Counter */
#define GPR(x)          (FXGPREGBASE + (x)) /* free GPRs: x = 0x00 - 0xff */
#define ITRAM_DATA(x)   (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
#define ETRAM_DATA(x)   (TANKMEMDATAREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
#define ITRAM_ADDR(x)   (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
#define ETRAM_ADDR(x)   (TANKMEMADDRREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */

#define A_FXBUS(x)      (0x00 + (x))    /* x = 0x00 - 0x3f? */
#define A_EXTIN(x)      (0x40 + (x))    /* x = 0x00 - 0x1f? */
#define A_EXTOUT(x)     (0x60 + (x))    /* x = 0x00 - 0x1f? */
#define A_GPR(x)        (A_FXGPREGBASE + (x))

/* cc_reg constants */
#define CC_REG_NORMALIZED C_00000001
#define CC_REG_BORROW   C_00000002
#define CC_REG_MINUS    C_00000004
#define CC_REG_ZERO     C_00000008
#define CC_REG_SATURATE C_00000010
#define CC_REG_NONZERO  C_00000100