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/* $OpenBSD: mongoosereg.h,v 1.2 2008/08/24 18:53:36 miod Exp $ */
/*
* Copyright (c) 1998-2003 Michael Shalayeff
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR OR HIS RELATIVES 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 MIND, 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.
*/
/* EISA Bus Adapter registers definitions */
#define MONGOOSE_MONGOOSE 0x10000
struct mongoose_regs {
u_int8_t version;
u_int8_t lock;
u_int8_t liowait;
u_int8_t clock;
u_int8_t reserved[0xf000 - 4];
u_int8_t intack;
};
#define MONGOOSE_CTRL 0x00000
#define MONGOOSE_NINTS 16
struct mongoose_ctrl {
struct dma0 {
struct {
u_int16_t addr : 8;
u_int16_t count: 8;
} ch[4];
u_int8_t command;
u_int8_t request;
u_int8_t mask_channel;
u_int8_t mode;
u_int8_t clr_byte_ptr;
u_int8_t master_clear;
u_int8_t mask_clear;
u_int8_t master_write;
u_int8_t pad[15];
} dma0;
u_int8_t irr0; /* 0x20 */
u_int8_t imr0;
u_int8_t iack; /* 0x22 -- 2 b2b reads generate
(e)isa Iack cycle & returns int level */
u_int8_t pad0[29];
struct timers {
u_int8_t sysclk;
u_int8_t refresh;
u_int8_t spkr;
u_int8_t ctrl;
u_int32_t pad;
} tmr[2]; /* 0x40 -- timers control */
u_int8_t pad1[16];
u_int16_t inmi; /* 0x60 NMI control */
u_int8_t pad2[30];
struct {
u_int8_t pad0;
u_int8_t ch2;
u_int8_t ch3;
u_int8_t ch1;
u_int8_t pad1;
u_int8_t pad2[3];
u_int8_t ch0;
u_int8_t pad4;
u_int8_t ch6;
u_int8_t ch7;
u_int8_t ch5;
u_int8_t pad5[3];
u_int8_t pad6[16];
} pr; /* 0x80 */
u_int8_t irr1; /* 0xa0 */
u_int8_t imr1;
u_int8_t pad3[30];
struct dma1 {
struct {
u_int32_t addr : 16;
u_int32_t count: 16;
} ch[4];
u_int16_t command;
u_int16_t request;
u_int16_t mask_channel;
u_int16_t mode;
u_int16_t clr_byte_ptr;
u_int16_t master_clear;
u_int16_t mask_clear;
u_int16_t master_write;
} dma1; /* 0xc0 */
u_int8_t master_req; /* 0xe0 master request register */
u_int8_t pad4[31];
u_int8_t pad5[0x3d0]; /* 0x4d0 */
u_int8_t pic0; /* 0 - edge, 1 - level */
u_int8_t pic1;
u_int8_t pad6[0x460];
u_int8_t nmi;
u_int8_t nmi_ext;
#define MONGOOSE_NMI_BUSRESET 0x01
#define MONGOOSE_NMI_IOPORT_EN 0x02
#define MONGOOSE_NMI_EN 0x04
#define MONGOOSE_NMI_MTMO_EN 0x08
#define MONGOOSE_NMI_RES4 0x10
#define MONGOOSE_NMI_IOPORT_INT 0x20
#define MONGOOSE_NMI_MASTER_INT 0x40
#define MONGOOSE_NMI_INT 0x80
};
#define MONGOOSE_IOMAP 0x100000
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