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984263bc MD |
1 | /*- |
2 | * Copyright (c) 2000 Doug Rabson | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * | |
14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
24 | * SUCH DAMAGE. | |
25 | * | |
aa31142a | 26 | * $FreeBSD: src/sys/dev/agp/agppriv.h,v 1.8 2007/11/12 21:51:37 jhb Exp $ |
984263bc MD |
27 | */ |
28 | ||
29 | #ifndef _PCI_AGPPRIV_H_ | |
30 | #define _PCI_AGPPRIV_H_ | |
31 | ||
32 | /* | |
33 | * This file *must not* be included by code outside the agp driver itself. | |
34 | */ | |
35 | ||
36 | #include <sys/agpio.h> | |
1f2de5d4 | 37 | #include "agpvar.h" |
984263bc MD |
38 | |
39 | #define AGP_DEBUGxx | |
40 | ||
41 | #ifdef AGP_DEBUG | |
e4717042 SW |
42 | #define AGP_DPF(fmt, ...) do { \ |
43 | kprintf("agp: " fmt, ##__VA_ARGS__); \ | |
984263bc MD |
44 | } while (0) |
45 | #else | |
46 | #define AGP_DPF(x...) do {} while (0) | |
47 | #endif | |
48 | ||
49 | #include "agp_if.h" | |
50 | ||
51 | /* | |
52 | * Data structure to describe an AGP memory allocation. | |
53 | */ | |
54 | TAILQ_HEAD(agp_memory_list, agp_memory); | |
55 | struct agp_memory { | |
56 | TAILQ_ENTRY(agp_memory) am_link; /* wiring for the tailq */ | |
57 | int am_id; /* unique id for block */ | |
58 | vm_size_t am_size; /* number of bytes allocated */ | |
59 | int am_type; /* chipset specific type */ | |
60 | struct vm_object *am_obj; /* VM object owning pages */ | |
61 | vm_offset_t am_physical; /* bogus hack for i810 */ | |
62 | vm_offset_t am_offset; /* page offset if bound */ | |
63 | int am_is_bound; /* non-zero if bound */ | |
64 | }; | |
65 | ||
66 | /* | |
67 | * All chipset drivers must have this at the start of their softc. | |
68 | */ | |
69 | struct agp_softc { | |
70 | struct resource *as_aperture; /* location of aperture */ | |
fdc3c5be | 71 | int as_aperture_rid; |
984263bc MD |
72 | u_int32_t as_maxmem; /* allocation upper bound */ |
73 | u_int32_t as_allocated; /* amount allocated */ | |
74 | enum agp_acquire_state as_state; | |
75 | struct agp_memory_list as_memory; /* list of allocated memory */ | |
76 | int as_nextid; /* next memory block id */ | |
77 | int as_isopen; /* user device is open */ | |
a904aa53 | 78 | struct cdev *as_devnode; /* from make_dev */ |
984263bc MD |
79 | struct lock as_lock; /* lock for access to GATT */ |
80 | }; | |
81 | ||
82 | struct agp_gatt { | |
83 | u_int32_t ag_entries; | |
84 | u_int32_t *ag_virtual; | |
85 | vm_offset_t ag_physical; | |
86 | }; | |
87 | ||
88 | void agp_flush_cache(void); | |
89 | u_int8_t agp_find_caps(device_t dev); | |
90 | struct agp_gatt *agp_alloc_gatt(device_t dev); | |
fdc3c5be | 91 | void agp_set_aperture_resource(device_t dev, int rid); |
67e2dc5d | 92 | void agp_free_cdev(device_t dev); |
984263bc | 93 | void agp_free_gatt(struct agp_gatt *gatt); |
67e2dc5d | 94 | void agp_free_res(device_t dev); |
984263bc MD |
95 | int agp_generic_attach(device_t dev); |
96 | int agp_generic_detach(device_t dev); | |
7f9ec87c | 97 | u_int32_t agp_generic_get_aperture(device_t dev); |
fdc3c5be HT |
98 | int agp_generic_set_aperture(device_t dev, |
99 | u_int32_t aperture); | |
984263bc MD |
100 | int agp_generic_enable(device_t dev, u_int32_t mode); |
101 | struct agp_memory *agp_generic_alloc_memory(device_t dev, int type, | |
102 | vm_size_t size); | |
103 | int agp_generic_free_memory(device_t dev, | |
104 | struct agp_memory *mem); | |
105 | int agp_generic_bind_memory(device_t dev, | |
106 | struct agp_memory *mem, | |
107 | vm_offset_t offset); | |
108 | int agp_generic_unbind_memory(device_t dev, | |
109 | struct agp_memory *mem); | |
110 | ||
111 | #endif /* !_PCI_AGPPRIV_H_ */ |