xref: /freebsd/usr.sbin/bhyve/pci_hda.h (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
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 "\n", __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);
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