1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* $OpenBSD: agpvar.h,v 1.3 2002/07/25 23:31:04 fgsch Exp $ */
/* $NetBSD: agpvar.h,v 1.4 2001/10/01 21:54:48 fvdl Exp $ */
/*-
* Copyright (c) 2000 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/sys/pci/agppriv.h,v 1.3 2000/07/12 10:13:04 dfr Exp $
*/
#ifndef _PCI_AGPVAR_H_
#define _PCI_AGPVAR_H_
#include <sys/lock.h>
#include <dev/pci/vga_pcivar.h>
/*
* This structure is used to query the state of the AGP system.
*/
struct agp_info {
u_int32_t ai_mode;
bus_addr_t ai_aperture_base;
bus_size_t ai_aperture_size;
vsize_t ai_memory_allowed;
vsize_t ai_memory_used;
u_int32_t ai_devid;
};
struct agp_memory_info {
vsize_t ami_size; /* size in bytes */
bus_addr_t ami_physical; /* bogus hack for i810 */
off_t ami_offset; /* page offset if bound */
int ami_is_bound; /* non-zero if bound */
};
/* #define AGP_DEBUG */
#ifdef AGP_DEBUG
#define AGP_DPF(x...) do { \
printf("agp: "); \
printf(##x); \
} while (0)
#else
#define AGP_DPF(x...) do {} while (0)
#endif
#define AGPUNIT(x) minor(x)
struct agp_methods {
u_int32_t (*get_aperture)(struct vga_pci_softc *);
int (*set_aperture)(struct vga_pci_softc *, u_int32_t);
int (*bind_page)(struct vga_pci_softc *, off_t, bus_addr_t);
int (*unbind_page)(struct vga_pci_softc *, off_t);
void (*flush_tlb)(struct vga_pci_softc *);
int (*enable)(struct vga_pci_softc *, u_int32_t mode);
struct agp_memory *
(*alloc_memory)(struct vga_pci_softc *, int, vsize_t);
int (*free_memory)(struct vga_pci_softc *, struct agp_memory *);
int (*bind_memory)(struct vga_pci_softc *, struct agp_memory *,
off_t);
int (*unbind_memory)(struct vga_pci_softc *, struct agp_memory *);
};
#define AGP_GET_APERTURE(sc) ((sc)->sc_methods->get_aperture(sc))
#define AGP_SET_APERTURE(sc,a) ((sc)->sc_methods->set_aperture((sc),(a)))
#define AGP_BIND_PAGE(sc,o,p) ((sc)->sc_methods->bind_page((sc),(o),(p)))
#define AGP_UNBIND_PAGE(sc,o) ((sc)->sc_methods->unbind_page((sc), (o)))
#define AGP_FLUSH_TLB(sc) ((sc)->sc_methods->flush_tlb(sc))
#define AGP_ENABLE(sc,m) ((sc)->sc_methods->enable((sc),(m)))
#define AGP_ALLOC_MEMORY(sc,t,s) ((sc)->sc_methods->alloc_memory((sc),(t),(s)))
#define AGP_FREE_MEMORY(sc,m) ((sc)->sc_methods->free_memory((sc),(m)))
#define AGP_BIND_MEMORY(sc,m,o) ((sc)->sc_methods->bind_memory((sc),(m),(o)))
#define AGP_UNBIND_MEMORY(sc,m) ((sc)->sc_methods->unbind_memory((sc),(m)))
/*
* All chipset drivers must have this at the start of their softc.
*/
struct agp_gatt {
u_int32_t ag_entries;
u_int32_t *ag_virtual;
bus_addr_t ag_physical;
bus_dmamap_t ag_dmamap;
bus_dma_segment_t ag_dmaseg;
size_t ag_size;
};
/*
* Functions private to the AGP code.
*/
int agp_find_caps(pci_chipset_tag_t, pcitag_t);
int agp_map_aperture(struct vga_pci_softc *);
struct agp_gatt *
agp_alloc_gatt(struct vga_pci_softc *);
void agp_free_gatt(struct vga_pci_softc *, struct agp_gatt *);
void agp_flush_cache(void);
int agp_generic_attach(struct vga_pci_softc *);
int agp_generic_detach(struct vga_pci_softc *);
int agp_generic_enable(struct vga_pci_softc *, u_int32_t);
struct agp_memory *
agp_generic_alloc_memory(struct vga_pci_softc *, int, vsize_t size);
int agp_generic_free_memory(struct vga_pci_softc *, struct agp_memory *);
int agp_generic_bind_memory(struct vga_pci_softc *, struct agp_memory *,
off_t);
int agp_generic_unbind_memory(struct vga_pci_softc *, struct agp_memory *);
int agp_ali_attach(struct vga_pci_softc *, struct pci_attach_args *,
struct pci_attach_args *);
int agp_amd_attach(struct vga_pci_softc *, struct pci_attach_args *,
struct pci_attach_args *);
int agp_i810_attach(struct vga_pci_softc *, struct pci_attach_args *,
struct pci_attach_args *);
int agp_intel_attach(struct vga_pci_softc *, struct pci_attach_args *,
struct pci_attach_args *);
int agp_via_attach(struct vga_pci_softc *, struct pci_attach_args *,
struct pci_attach_args *);
int agp_sis_attach(struct vga_pci_softc *, struct pci_attach_args *,
struct pci_attach_args *);
int agp_alloc_dmamem(bus_dma_tag_t, size_t, int, bus_dmamap_t *,
caddr_t *, bus_addr_t *, bus_dma_segment_t *, int, int *);
void agp_free_dmamem(bus_dma_tag_t, size_t, bus_dmamap_t,
caddr_t, bus_dma_segment_t *, int nseg) ;
#endif /* !_PCI_AGPVAR_H_ */
|
