xref: /netbsd/sys/arch/alpha/pci/lcavar.h (revision bf9ec67e)
1 /* $NetBSD: lcavar.h,v 1.8 1997/09/02 12:40:22 thorpej Exp $ */
2 
3 /*
4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Author: Jeffrey Hsu
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 <dev/isa/isavar.h>
31 #include <dev/pci/pcivar.h>
32 #include <alpha/pci/pci_sgmap_pte64.h>
33 
34 /*
35  * LCA chipset's configuration.
36  *
37  * All of the information that the chipset-specific functions need to
38  * do their dirty work (and more!).
39  */
40 struct lca_config {
41 	int	lc_initted;
42 
43 	struct alpha_bus_space lc_iot, lc_memt;
44 	struct alpha_pci_chipset lc_pc;
45 
46 	struct alpha_bus_dma_tag lc_dmat_direct;
47 	struct alpha_bus_dma_tag lc_dmat_sgmap;
48 
49 	struct alpha_sgmap lc_sgmap;
50 
51 	bus_addr_t lc_s_mem_w2_masked_base;
52 
53 	struct extent *lc_io_ex, *lc_d_mem_ex, *lc_s_mem_ex;
54 	int	lc_mallocsafe;
55 };
56 
57 struct lca_softc {
58 	struct	device sc_dev;
59 
60 	struct	lca_config *sc_lcp;
61 };
62 
63 void	lca_init __P((struct lca_config *, int));
64 void	lca_pci_init __P((pci_chipset_tag_t, void *));
65 void	lca_dma_init __P((struct lca_config *));
66 
67 void	lca_bus_io_init __P((bus_space_tag_t, void *));
68 void	lca_bus_mem_init __P((bus_space_tag_t, void *));
69