1/* $NetBSD: lcavar.h,v 1.13 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: 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 <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 * LCA chipset's configuration.
38 *
39 * All of the information that the chipset-specific functions need to
40 * do their dirty work (and more!).
41 */
42struct lca_config {
43	int	lc_initted;
44
45	struct alpha_bus_space lc_iot, lc_memt;
46	struct alpha_pci_chipset lc_pc;
47
48	struct alpha_bus_dma_tag lc_dmat_direct;
49	struct alpha_bus_dma_tag lc_dmat_sgmap;
50
51	struct alpha_sgmap lc_sgmap;
52
53	bus_addr_t lc_s_mem_w2_masked_base;
54
55	vmem_t *lc_io_arena;
56	vmem_t *lc_d_mem_arena;
57	vmem_t *lc_s_mem_arena;
58
59	u_int	lc_bcache_size;
60};
61
62struct lca_softc {
63	device_t sc_dev;
64
65	struct	lca_config *sc_lcp;
66};
67
68void	lca_probe_bcache(void);
69void	lca_init(struct lca_config *);
70void	lca_pci_init(pci_chipset_tag_t, void *);
71void	lca_dma_init(struct lca_config *);
72
73void	lca_bus_io_init(bus_space_tag_t, void *);
74void	lca_bus_mem_init(bus_space_tag_t, void *);
75