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/* $OpenBSD: am7930reg.h,v 1.3 1999/03/12 18:52:21 jason Exp $ */
/* $NetBSD: am7930reg.h,v 1.1 1995/04/24 19:17:17 pk Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)bsd_audioreg.h 8.1 (Berkeley) 6/11/93
*/
/*
* Bit encodings for chip commands from "Microprocessor Access Guide for
* Indirect Registers", p.19 Am79C30A/32A Advanced Micro Devices spec
* sheet (preliminary).
*
* Indirect register numbers (the value written into cr to select a given
* chip registers) have the form AMDR_*. Register fields look like AMD_*.
*
* Further documentation is available from AMD's website:
* http://www.amd.com/products/cpd/techdocs/techdocs.html
*/
struct amd7930 {
u_char cr; /* command register (wo) */
#define ir cr /* interrupt register (ro) */
u_char dr; /* data register (rw) */
u_char dsr1; /* D-channel status register 1 (ro) */
u_char der; /* D-channel error register (ro) */
u_char dctb; /* D-channel transmit register (wo) */
#define dcrb dctb /* D-channel receive register (ro) */
u_char bbtb; /* Bb-channel transmit register (wo) */
#define bbrb bbtb /* Bb-channel receive register (ro) */
u_char bctb; /* Bc-channel transmit register (wo) */
#define bcrb bctb /* Bc-channel receive register (ro) */
u_char dsr2; /* D-channel status register 2 (ro) */
};
#define AMDR_INIT 0x21
#define AMD_INIT_PMS_IDLE 0x00
#define AMD_INIT_PMS_ACTIVE 0x01
#define AMD_INIT_PMS_ACTIVE_DATA 0x02
#define AMD_INIT_INT_DISABLE (0x01 << 2)
#define AMD_INIT_CDS_DIV2 (0x00 << 3)
#define AMD_INIT_CDS_DIV1 (0x01 << 3)
#define AMD_INIT_CDS_DIV4 (0x02 << 3)
#define AMD_INIT_AS_RX (0x01 << 6)
#define AMD_INIT_AS_TX (0x01 << 7)
#define AMDR_LIU_LSR 0xa1
#define AMDR_LIU_LPR 0xa2
#define AMDR_LIU_LMR1 0xa3
#define AMDR_LIU_LMR2 0xa4
#define AMDR_LIU_2_4 0xa5
#define AMDR_LIU_MF 0xa6
#define AMDR_LIU_MFSB 0xa7
#define AMDR_LIU_MFQB 0xa8
#define AMDR_MUX_MCR1 0x41
#define AMDR_MUX_MCR2 0x42
#define AMDR_MUX_MCR3 0x43
#define AMD_MCRCHAN_NC 0x00
#define AMD_MCRCHAN_B1 0x01
#define AMD_MCRCHAN_B2 0x02
#define AMD_MCRCHAN_BA 0x03
#define AMD_MCRCHAN_BB 0x04
#define AMD_MCRCHAN_BC 0x05
#define AMD_MCRCHAN_BD 0x06
#define AMD_MCRCHAN_BE 0x07
#define AMD_MCRCHAN_BF 0x08
#define AMDR_MUX_MCR4 0x44
#define AMD_MCR4_INT_ENABLE (1 << 3)
#define AMD_MCR4_SWAPBB (1 << 4)
#define AMD_MCR4_SWAPBC (1 << 5)
#define AMDR_MUX_1_4 0x45
#define AMDR_MAP_X 0x61
#define AMDR_MAP_R 0x62
#define AMDR_MAP_GX 0x63
#define AMDR_MAP_GR 0x64
#define AMDR_MAP_GER 0x65
#define AMDR_MAP_STG 0x66
#define AMDR_MAP_FTGR 0x67
#define AMDR_MAP_ATGR 0x68
#define AMDR_MAP_MMR1 0x69
#define AMD_MMR1_ALAW 0x01
#define AMD_MMR1_GX 0x02
#define AMD_MMR1_GR 0x04
#define AMD_MMR1_GER 0x08
#define AMD_MMR1_X 0x10
#define AMD_MMR1_R 0x20
#define AMD_MMR1_STG 0x40
#define AMD_MMR1_LOOP 0x80
#define AMDR_MAP_MMR2 0x6a
#define AMD_MMR2_AINB 0x01
#define AMD_MMR2_LS 0x02
#define AMD_MMR2_DTMF 0x04
#define AMD_MMR2_GEN 0x08
#define AMD_MMR2_RNG 0x10
#define AMD_MMR2_DIS_HPF 0x20
#define AMD_MMR2_DIS_AZ 0x40
#define AMDR_MAP_1_10 0x6b
#define AMDR_DLC_FRAR123 0x81
#define AMDR_DLC_SRAR123 0x82
#define AMDR_DLC_TAR 0x83
#define AMDR_DLC_DRLR 0x84
#define AMDR_DLC_DTCR 0x85
#define AMDR_DLC_DMR1 0x86
#define AMDR_DLC_DMR2 0x87
#define AMDR_DLC_1_7 0x88
#define AMDR_DLC_DRCR 0x89
#define AMDR_DLC_RNGR1 0x8a
#define AMDR_DLC_RNGR2 0x8b
#define AMDR_DLC_FRAR4 0x8c
#define AMDR_DLC_SRAR4 0x8d
#define AMDR_DLC_DMR3 0x8e
#define AMDR_DLC_DMR4 0x8f
#define AMDR_DLC_12_15 0x90
#define AMDR_DLC_ASR 0x91
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