1 | /* $NetBSD: agp_i810var.h,v 1.6 2015/03/06 22:03:06 riastradh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2000 Doug Rabson |
5 | * Copyright (c) 2000 Ruslan Ermilov |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
27 | * SUCH DAMAGE. |
28 | */ |
29 | |
30 | #include <sys/types.h> |
31 | #include <sys/bus.h> |
32 | |
33 | #include <dev/pci/pcivar.h> |
34 | |
35 | #include <dev/pci/agpvar.h> |
36 | |
37 | struct agp_i810_softc { |
38 | struct pci_attach_args vga_pa; /* integrated graphics device args */ |
39 | int chiptype; /* chipset family: i810, i830, &c. */ |
40 | uint32_t stolen; /* pages of stolen graphics memory */ |
41 | |
42 | /* Memory-mapped I/O for integrated graphics device registers. */ |
43 | bus_space_tag_t bst; |
44 | bus_space_handle_t bsh; |
45 | bus_size_t size; |
46 | |
47 | /* Graphics translation table. */ |
48 | bus_space_tag_t gtt_bst; |
49 | bus_space_handle_t gtt_bsh; |
50 | bus_size_t gtt_size; |
51 | |
52 | /* Chipset flush page. */ |
53 | bus_space_tag_t flush_bst; |
54 | bus_space_handle_t flush_bsh; |
55 | bus_addr_t flush_addr; |
56 | |
57 | /* i810-only fields. */ |
58 | struct agp_gatt *gatt; /* i810-only OS-allocated GTT */ |
59 | uint32_t dcache_size; /* i810-only on-chip memory size */ |
60 | |
61 | /* XXX Kludge to work around broken X servers. */ |
62 | pcireg_t pgtblctl; |
63 | |
64 | /* XXX Vestige of unfinished powerhook? */ |
65 | uint32_t pgtblctl_resume_hack; |
66 | }; |
67 | |
68 | extern struct agp_softc *agp_i810_sc; |
69 | |
70 | #define AGP_I810_GTT_VALID 0x01 |
71 | #define AGP_I810_GTT_I810_DCACHE 0x02 /* i810-only */ |
72 | #define AGP_I810_GTT_CACHED 0x06 /* >=i830 */ |
73 | |
74 | int agp_i810_write_gtt_entry(struct agp_i810_softc *, off_t, bus_addr_t, |
75 | int); |
76 | void agp_i810_post_gtt_entry(struct agp_i810_softc *, off_t); |
77 | void agp_i810_chipset_flush(struct agp_i810_softc *); |
78 | |