1/* $NetBSD: exi.h,v 1.1 2026/01/09 22:54:29 jmcneill Exp $ */
2
3/*-
4 * Copyright (c) 2024 Jared McNeill <jmcneill@invisible.ca>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _WII_DEV_EXI_H_
30#define _WII_DEV_EXI_H_
31
32#include "exireg.h"
33
34struct exi_attach_args {
35	uint32_t	eaa_id;
36	uint8_t		eaa_chan;
37	uint8_t		eaa_device;
38};
39
40void exi_select(uint8_t, uint8_t, exi_freq_t);
41void exi_unselect(uint8_t);
42void exi_send_imm(uint8_t, uint8_t, const void *, size_t);
43void exi_recv_imm(uint8_t, uint8_t, void *, size_t);
44void exi_sendrecv_imm(uint8_t, uint8_t, const void *, void *, size_t);
45void exi_recv_dma(uint8_t, uint8_t, void *, size_t);
46
47#endif /* _WII_DEV_EXI_H_ */
48