1 /* $NetBSD: exi.h,v 1.2 2024/02/10 11:00:15 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 typedef enum { 33 EXI_FREQ_1MHZ = 0, 34 EXI_FREQ_2MHZ = 1, 35 EXI_FREQ_4MHZ = 2, 36 EXI_FREQ_8MHZ = 3, 37 EXI_FREQ_16MHZ = 4, 38 EXI_FREQ_32MHZ = 5, 39 } exi_freq_t; 40 41 struct exi_attach_args { 42 uint32_t eaa_id; 43 uint8_t eaa_chan; 44 uint8_t eaa_device; 45 }; 46 47 void exi_select(uint8_t, uint8_t, exi_freq_t); 48 void exi_unselect(uint8_t); 49 void exi_send_imm(uint8_t, uint8_t, const void *, size_t); 50 void exi_recv_imm(uint8_t, uint8_t, void *, size_t); 51 void exi_recv_dma(uint8_t, uint8_t, void *, size_t); 52 53 #endif /* _WII_DEV_EXI_H_ */ 54