xref: /netbsd/sys/arch/hpcmips/vr/vrdmaauvar.h (revision bf9ec67e)
1 /*
2  * Copyright (c) 2001 HAMAJIMA Katsuomi. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #define VRDMAAU_BOUNCE_THRESHOLD	(64 * 1024 * 1024)
27 #define VRDMAAU_ALIGNMENT		(1 << 10)
28 
29 struct vrdmaau_chipset_tag;
30 typedef struct vrdmaau_chipset_tag *vrdmaau_chipset_tag_t;
31 struct vrdmaau_chipset_tag {
32 	void	*ac_sc;
33 	int	(*ac_set_aiuin)(vrdmaau_chipset_tag_t, void *);
34 	int	(*ac_set_aiuout)(vrdmaau_chipset_tag_t, void *);
35 	int	(*ac_set_fir)(vrdmaau_chipset_tag_t, void *);
36 };
37