xref: /openbsd/sys/arch/alpha/pci/ciavar.h (revision 9339f7ab)
1 /* $OpenBSD: ciavar.h,v 1.13 2006/03/16 22:32:44 miod Exp $ */
2 /* $NetBSD: ciavar.h,v 1.17 2000/03/19 01:43:25 thorpej Exp $ */
3 
4 /*
5  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Chris G. Demetriou
9  *
10  * Permission to use, copy, modify and distribute this software and
11  * its documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 #include <dev/isa/isavar.h>
32 #include <dev/pci/pcivar.h>
33 #include <alpha/pci/pci_sgmap_pte64.h>
34 
35 /*
36  * A 21171 chipset's configuration.
37  *
38  * All of the information that the chipset-specific functions need to
39  * do their dirty work (and more!).
40  */
41 struct cia_config {
42 	int	cc_initted;
43 
44 	struct alpha_bus_space cc_iot, cc_memt;
45 	struct alpha_pci_chipset cc_pc;
46 
47 	struct alpha_bus_dma_tag cc_dmat_direct;
48 	struct alpha_bus_dma_tag cc_dmat_sgmap;
49 
50 	struct alpha_sgmap cc_sgmap;
51 
52 	u_int32_t cc_hae_mem;
53 	u_int32_t cc_hae_io;
54 
55 	u_int32_t cc_rev;
56 	u_int32_t cc_cnfg;
57 
58 	int	cc_flags;
59 
60 #define	CCF_ISPYXIS	0x01		/* chip is a 21174 Pyxis */
61 #define	CCF_PYXISBUG	0x02
62 #define	CCF_PCI_USE_BWX	0x04		/* use BWX for PCI config space */
63 #define	CCF_BUS_USE_BWX	0x08		/* use BWX for bus space */
64 
65 	struct extent *cc_io_ex, *cc_d_mem_ex, *cc_s_mem_ex;
66 	int	cc_mallocsafe;
67 };
68 
69 void	cia_init(struct cia_config *, int);
70 void	cia_pci_init(pci_chipset_tag_t, void *);
71 void	cia_dma_init(struct cia_config *);
72 
73 void	cia_bwx_bus_io_init(bus_space_tag_t, void *);
74 void	cia_bwx_bus_mem_init(bus_space_tag_t, void *);
75 
76 void	cia_bus_io_init(bus_space_tag_t, void *);
77 void	cia_bus_mem_init(bus_space_tag_t, void *);
78 
79 void	cia_pyxis_intr_enable(int, int);
80