xref: /freebsd/sys/dev/sound/pci/csavar.h (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
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 
29 #ifndef _CSA_VAR_H
30 #define _CSA_VAR_H
31 struct csa_card {
32 	u_int16_t subvendor, subdevice;
33 	char *name;
34 	void *amp;
35 	void *amp_init;
36 	int (*active)(int);
37 	int inv_eapd;
38 };
39 
40 /* Resources. */
41 struct csa_res {
42 	int io_rid; /* io rid */
43 	struct resource *io; /* io */
44 	int mem_rid; /* memory rid */
45 	struct resource *mem; /* memory */
46 	int irq_rid; /* irq rid */
47 	struct resource *irq; /* irq */
48 };
49 typedef struct csa_res csa_res;
50 
51 /* State of the bridge. */
52 struct csa_bridgeinfo {
53 	u_int32_t hisr; /* The value of HISR on this interrupt. */
54 	struct csa_card *card;
55 };
56 
57 void csa_clearserialfifos(csa_res *resp);
58 
59 /* Common functions for csa. */
60 struct csa_card *csa_findsubcard(device_t dev);
61 int csa_readcodec(csa_res *resp, u_long offset, u_int32_t *data);
62 int csa_writecodec(csa_res *resp, u_long offset, u_int32_t data);
63 
64 u_int32_t csa_readio(csa_res *resp, u_long offset);
65 void csa_writeio(csa_res *resp, u_long offset, u_int32_t data);
66 u_int32_t csa_readmem(csa_res *resp, u_long offset);
67 void csa_writemem(csa_res *resp, u_long offset, u_int32_t data);
68 
69 void csa_resetdsp(csa_res *resp);
70 #endif /* _CSA_VAR_H */
71