xref: /freebsd/sys/dev/sound/pci/csavar.h (revision a57ca37dd1848cd42844d9082c4a74c2ed57f68a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1999 Seigo Tanimura
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 AND CONTRIBUTORS ``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 _CSA_VAR_H
32 #define _CSA_VAR_H
33 struct csa_card {
34 	u_int16_t subvendor, subdevice;
35 	char *name;
36 	void *amp;
37 	void *amp_init;
38 	int (*active)(int);
39 	int inv_eapd;
40 };
41 
42 /* Resources. */
43 struct csa_res {
44 	int io_rid; /* io rid */
45 	struct resource *io; /* io */
46 	int mem_rid; /* memory rid */
47 	struct resource *mem; /* memory */
48 	int irq_rid; /* irq rid */
49 	struct resource *irq; /* irq */
50 };
51 typedef struct csa_res csa_res;
52 
53 /* State of the bridge. */
54 struct csa_bridgeinfo {
55 	u_int32_t hisr; /* The value of HISR on this interrupt. */
56 	struct csa_card *card;
57 };
58 
59 void csa_clearserialfifos(csa_res *resp);
60 
61 /* Common functions for csa. */
62 struct csa_card *csa_findsubcard(device_t dev);
63 int csa_readcodec(csa_res *resp, u_long offset, u_int32_t *data);
64 int csa_writecodec(csa_res *resp, u_long offset, u_int32_t data);
65 
66 u_int32_t csa_readio(csa_res *resp, u_long offset);
67 void csa_writeio(csa_res *resp, u_long offset, u_int32_t data);
68 u_int32_t csa_readmem(csa_res *resp, u_long offset);
69 void csa_writemem(csa_res *resp, u_long offset, u_int32_t data);
70 
71 void csa_resetdsp(csa_res *resp);
72 #endif /* _CSA_VAR_H */
73