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/* $OpenBSD: iop.h,v 1.1 2006/01/22 13:53:16 miod Exp $ */
/* $NetBSD: iopreg.h,v 1.7 2005/12/11 12:18:03 christos Exp $ */
/*
* Copyright (c) 2000 Allen Briggs.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 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.
*/
#define SCC_IOP 0
#define ISM_IOP 1
#define IOP_CS_BYPASS 0x01
#define IOP_CS_AUTOINC 0x02
#define IOP_CS_RUN 0x04
#define IOP_CS_IRQ 0x08
#define IOP_CS_INT0 0x10
#define IOP_CS_INT1 0x20
#define IOP_CS_HWINT 0x40
#define IOP_CS_DMAINACT 0x80
#define IOP_RESET (IOP_CS_DMAINACT | IOP_CS_AUTOINC)
#define IOP_BYPASS \
(IOP_CS_BYPASS | IOP_CS_AUTOINC | IOP_CS_RUN | IOP_CS_DMAINACT)
#define IOP_INTERRUPT (IOP_CS_INT0 | IOP_CS_INT1)
typedef struct {
volatile u_char ram_hi;
u_char pad0;
volatile u_char ram_lo;
u_char pad1;
volatile u_char control_status;
u_char pad2[3];
volatile u_char data;
u_char pad3[23];
union {
struct {
volatile u_char sccb_cmd;
u_char pad0;
volatile u_char scca_cmd;
u_char pad1;
volatile u_char sccb_data;
u_char pad2;
volatile u_char scca_data;
u_char pad3;
} scc;
struct {
volatile u_char wdata;
u_char pad0;
/* etc... */
} iwm;
} bypass;
} IOPHW;
void iop_serial_compatible(void);
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