xref: /netbsd-src/sys/arch/alpha/pci/apecsvar.h (revision 7663c1deeb1a1eb7d0b8d5910c6bd0391fee5692)
1 /* $NetBSD: apecsvar.h,v 1.12 2023/12/04 00:32:10 thorpej Exp $ */
2 
3 /*
4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Author: Chris G. Demetriou
8  *
9  * Permission to use, copy, modify and distribute this software and
10  * its documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie the
27  * rights to redistribute these changes.
28  */
29 
30 #include <sys/vmem.h>
31 
32 #include <dev/isa/isavar.h>
33 #include <dev/pci/pcivar.h>
34 #include <alpha/pci/pci_sgmap_pte64.h>
35 
36 /*
37  * An APECS chipset's configuration.
38  *
39  * All of the information that the chipset-specific functions need to
40  * do their dirty work (and more!).
41  */
42 struct apecs_config {
43 	int	ac_initted;
44 
45 	int	ac_comanche_pass2;
46 	int	ac_epic_pass2;
47 	int	ac_memwidth;
48 
49 	struct alpha_bus_space ac_iot, ac_memt;
50 	struct alpha_pci_chipset ac_pc;
51 
52 	struct alpha_bus_dma_tag ac_dmat_direct;
53 	struct alpha_bus_dma_tag ac_dmat_sgmap;
54 
55 	struct alpha_sgmap ac_sgmap;
56 
57 	uint32_t ac_haxr1, ac_haxr2;
58 
59 	vmem_t *ac_io_arena;
60 	vmem_t *ac_d_mem_arena;
61 	vmem_t *ac_s_mem_arena;
62 };
63 
64 void	apecs_init(struct apecs_config *);
65 void	apecs_pci_init(pci_chipset_tag_t, void *);
66 void	apecs_dma_init(struct apecs_config *);
67 
68 void	apecs_bus_io_init(bus_space_tag_t, void *);
69 void	apecs_bus_mem_init(bus_space_tag_t, void *);
70