1/* $NetBSD: ciavar.h,v 1.23 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 * A 21171 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 cia_config {
43	int	cc_initted;
44
45	struct alpha_bus_space cc_iot, cc_memt;
46	struct alpha_pci_chipset cc_pc;
47
48	struct alpha_bus_dma_tag cc_dmat_direct;
49	struct alpha_bus_dma_tag cc_dmat_sgmap_lo;
50	struct alpha_bus_dma_tag cc_dmat_sgmap_hi;
51
52	struct alpha_sgmap cc_sgmap_lo;
53	struct alpha_sgmap cc_sgmap_hi;
54
55	uint32_t cc_hae_mem;
56	uint32_t cc_hae_io;
57
58	uint32_t cc_rev;
59	uint32_t cc_cnfg;
60
61	int	cc_flags;
62
63#define	CCF_ISPYXIS	0x01		/* chip is a 21174 Pyxis */
64#define	CCF_PYXISBUG	0x02
65#define	CCF_PCI_USE_BWX	0x04		/* use BWX for PCI config space */
66#define	CCF_BUS_USE_BWX	0x08		/* use BWX for bus space */
67
68	vmem_t *cc_io_arena;
69	vmem_t *cc_d_mem_arena;
70	vmem_t *cc_s_mem_arena;
71
72	struct {
73		uint32_t wbase[4];
74		uint32_t wmask[4];
75		uint32_t tbase[4];
76	} cc_saved_windows;
77};
78
79struct cia_softc {
80	device_t sc_dev;
81
82	struct	cia_config *sc_ccp;
83};
84
85void	cia_init(struct cia_config *);
86void	cia_pci_init(pci_chipset_tag_t, void *);
87void	cia_dma_init(struct cia_config *);
88
89void	cia_bwx_bus_io_init(bus_space_tag_t, void *);
90void	cia_bwx_bus_mem_init(bus_space_tag_t, void *);
91
92void	cia_swiz_bus_io_init(bus_space_tag_t, void *);
93void	cia_swiz_bus_mem_init(bus_space_tag_t, void *);
94
95void	cia_pyxis_intr_enable(int, int);
96