11.1Sjmcneill/* $NetBSD: exireg.h,v 1.1 2025/11/15 17:59:23 jmcneill Exp $ */
21.1Sjmcneill
31.1Sjmcneill/*-
41.1Sjmcneill * Copyright (c) 2025 Jared McNeill <jmcneill@invisible.ca>
51.1Sjmcneill * All rights reserved.
61.1Sjmcneill *
71.1Sjmcneill * Redistribution and use in source and binary forms, with or without
81.1Sjmcneill * modification, are permitted provided that the following conditions
91.1Sjmcneill * are met:
101.1Sjmcneill * 1. Redistributions of source code must retain the above copyright
111.1Sjmcneill *    notice, this list of conditions and the following disclaimer.
121.1Sjmcneill * 2. Redistributions in binary form must reproduce the above copyright
131.1Sjmcneill *    notice, this list of conditions and the following disclaimer in the
141.1Sjmcneill *    documentation and/or other materials provided with the distribution.
151.1Sjmcneill *
161.1Sjmcneill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
171.1Sjmcneill * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
181.1Sjmcneill * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
191.1Sjmcneill * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
201.1Sjmcneill * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
211.1Sjmcneill * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
221.1Sjmcneill * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
231.1Sjmcneill * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
241.1Sjmcneill * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
251.1Sjmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
261.1Sjmcneill * SUCH DAMAGE.
271.1Sjmcneill */
281.1Sjmcneill
291.1Sjmcneill#ifndef _WII_DEV_EXIREG_H
301.1Sjmcneill#define _WII_DEV_EXIREG_H
311.1Sjmcneill
321.1Sjmcneill#define	EXI_CSR(n)		(0x00 + (n) * 0x14)
331.1Sjmcneill#define  EXI_CSR_EXTINT		__BIT(11)
341.1Sjmcneill#define  EXI_CSR_EXTINTMASK	__BIT(10)
351.1Sjmcneill#define	 EXI_CSR_CS		__BITS(9,7)
361.1Sjmcneill#define	 EXI_CSR_CLK		__BITS(6,4)
371.1Sjmcneill#define	EXI_MAR(n)		(0x04 + (n) * 0x14)
381.1Sjmcneill#define	EXI_LENGTH(n)		(0x08 + (n) * 0x14)
391.1Sjmcneill#define	EXI_CR(n)		(0x0c + (n) * 0x14)
401.1Sjmcneill#define	 EXI_CR_TLEN		__BITS(5,4)
411.1Sjmcneill#define  EXI_CR_RW		__BITS(3,2)
421.1Sjmcneill#define  EXI_CR_RW_READ		__SHIFTIN(0, EXI_CR_RW)
431.1Sjmcneill#define  EXI_CR_RW_WRITE	__SHIFTIN(1, EXI_CR_RW)
441.1Sjmcneill#define  EXI_CR_RW_READWRITE	__SHIFTIN(2, EXI_CR_RW)
451.1Sjmcneill#define	 EXI_CR_DMA		__BIT(1)
461.1Sjmcneill#define  EXI_CR_TSTART		__BIT(0)
471.1Sjmcneill#define	EXI_DATA(n)		(0x10 + (n) * 0x14)
481.1Sjmcneill
491.1Sjmcneilltypedef enum {
501.1Sjmcneill	EXI_FREQ_1MHZ = 0,
511.1Sjmcneill	EXI_FREQ_2MHZ = 1,
521.1Sjmcneill	EXI_FREQ_4MHZ = 2,
531.1Sjmcneill	EXI_FREQ_8MHZ = 3,
541.1Sjmcneill	EXI_FREQ_16MHZ = 4,
551.1Sjmcneill	EXI_FREQ_32MHZ = 5,
561.1Sjmcneill} exi_freq_t;
571.1Sjmcneill
581.1Sjmcneill#endif /* !_WII_DEV_EXIREG_H */
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