1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2016 Alex Teaca <iateaca@FreeBSD.org> 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 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, 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 * $FreeBSD$ 29 */ 30 31 #ifndef _HDA_EMUL_H_ 32 #define _HDA_EMUL_H_ 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <sys/types.h> 38 #include <assert.h> 39 40 #include <sys/types.h> 41 #include <sys/queue.h> 42 #include <sys/kernel.h> 43 44 #include "hda_reg.h" 45 46 /* 47 * HDA Debug Log 48 */ 49 #define DEBUG_HDA 1 50 #if DEBUG_HDA == 1 51 extern FILE *dbg; 52 #define DPRINTF(fmt, arg...) \ 53 do {fprintf(dbg, "%s-%d: " fmt, __func__, __LINE__, ##arg); \ 54 fflush(dbg); } while (0) 55 #else 56 #define DPRINTF(fmt, arg...) 57 #endif 58 59 #define HDA_FIFO_SIZE 0x100 60 61 struct hda_softc; 62 struct hda_codec_class; 63 64 struct hda_codec_inst { 65 uint8_t cad; 66 struct hda_codec_class *codec; 67 struct hda_softc *hda; 68 struct hda_ops *hops; 69 void *priv; 70 }; 71 72 struct hda_codec_class { 73 char *name; 74 int (*init)(struct hda_codec_inst *hci, const char *play, 75 const char *rec, const char *opts); 76 int (*reset)(struct hda_codec_inst *hci); 77 int (*command)(struct hda_codec_inst *hci, uint32_t cmd_data); 78 int (*notify)(struct hda_codec_inst *hci, uint8_t run, uint8_t stream, 79 uint8_t dir); 80 }; 81 82 struct hda_ops { 83 int (*signal)(struct hda_codec_inst *hci); 84 int (*response)(struct hda_codec_inst *hci, uint32_t response, 85 uint8_t unsol); 86 int (*transfer)(struct hda_codec_inst *hci, uint8_t stream, 87 uint8_t dir, void *buf, size_t count); 88 }; 89 90 #define HDA_EMUL_SET(x) DATA_SET(hda_codec_class_set, x); 91 92 #endif /* _HDA_EMUL_H_ */ 93