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 *
| 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 *
|
26 * $FreeBSD: head/sys/dev/agp/agppriv.h 189578 2009-03-09 13:27:33Z imp $
| 26 * $FreeBSD: head/sys/dev/agp/agppriv.h 235782 2012-05-22 10:59:26Z kib $
|
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>
37#include <dev/agp/agpvar.h>
38
39#ifdef AGP_DEBUG
40#define AGP_DPF(fmt, ...) do { \
41 printf("agp: " fmt, ##__VA_ARGS__); \
42} while (0)
43#else
44#define AGP_DPF(fmt, ...) do {} while (0)
45#endif
46
47#include "agp_if.h"
48
49/*
50 * Data structure to describe an AGP memory allocation.
51 */
52TAILQ_HEAD(agp_memory_list, agp_memory);
53struct agp_memory {
54 TAILQ_ENTRY(agp_memory) am_link; /* wiring for the tailq */
55 int am_id; /* unique id for block */
56 vm_size_t am_size; /* number of bytes allocated */
57 int am_type; /* chipset specific type */
58 struct vm_object *am_obj; /* VM object owning pages */
59 vm_offset_t am_physical; /* bogus hack for i810 */
60 vm_offset_t am_offset; /* page offset if bound */
61 int am_is_bound; /* non-zero if bound */
62};
63
64/*
65 * All chipset drivers must have this at the start of their softc.
66 */
67struct agp_softc {
68 struct resource *as_aperture; /* location of aperture */
69 int as_aperture_rid;
70 u_int32_t as_maxmem; /* allocation upper bound */
71 u_int32_t as_allocated; /* amount allocated */
72 enum agp_acquire_state as_state;
73 struct agp_memory_list as_memory; /* list of allocated memory */
74 int as_nextid; /* next memory block id */
75 int as_isopen; /* user device is open */
| 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>
37#include <dev/agp/agpvar.h>
38
39#ifdef AGP_DEBUG
40#define AGP_DPF(fmt, ...) do { \
41 printf("agp: " fmt, ##__VA_ARGS__); \
42} while (0)
43#else
44#define AGP_DPF(fmt, ...) do {} while (0)
45#endif
46
47#include "agp_if.h"
48
49/*
50 * Data structure to describe an AGP memory allocation.
51 */
52TAILQ_HEAD(agp_memory_list, agp_memory);
53struct agp_memory {
54 TAILQ_ENTRY(agp_memory) am_link; /* wiring for the tailq */
55 int am_id; /* unique id for block */
56 vm_size_t am_size; /* number of bytes allocated */
57 int am_type; /* chipset specific type */
58 struct vm_object *am_obj; /* VM object owning pages */
59 vm_offset_t am_physical; /* bogus hack for i810 */
60 vm_offset_t am_offset; /* page offset if bound */
61 int am_is_bound; /* non-zero if bound */
62};
63
64/*
65 * All chipset drivers must have this at the start of their softc.
66 */
67struct agp_softc {
68 struct resource *as_aperture; /* location of aperture */
69 int as_aperture_rid;
70 u_int32_t as_maxmem; /* allocation upper bound */
71 u_int32_t as_allocated; /* amount allocated */
72 enum agp_acquire_state as_state;
73 struct agp_memory_list as_memory; /* list of allocated memory */
74 int as_nextid; /* next memory block id */
75 int as_isopen; /* user device is open */
|
76 struct cdev *as_devnode; /* from make_dev */
| 76 struct cdev *as_devnode; /* from make_dev */
|
77 struct mtx as_lock; /* lock for access to GATT */
78};
79
80struct agp_gatt {
81 u_int32_t ag_entries;
82 u_int32_t *ag_virtual;
83 vm_offset_t ag_physical;
84};
85
86void agp_flush_cache(void);
87u_int8_t agp_find_caps(device_t dev);
88struct agp_gatt *agp_alloc_gatt(device_t dev);
89void agp_set_aperture_resource(device_t dev, int rid);
90void agp_free_cdev(device_t dev);
91void agp_free_gatt(struct agp_gatt *gatt);
92void agp_free_res(device_t dev);
93int agp_generic_attach(device_t dev);
94int agp_generic_detach(device_t dev);
95u_int32_t agp_generic_get_aperture(device_t dev);
96int agp_generic_set_aperture(device_t dev,
97 u_int32_t aperture);
98int agp_generic_enable(device_t dev, u_int32_t mode);
99struct agp_memory *agp_generic_alloc_memory(device_t dev, int type,
100 vm_size_t size);
101int agp_generic_free_memory(device_t dev,
102 struct agp_memory *mem);
103int agp_generic_bind_memory(device_t dev,
104 struct agp_memory *mem,
105 vm_offset_t offset);
106int agp_generic_unbind_memory(device_t dev,
107 struct agp_memory *mem);
108
109#endif /* !_PCI_AGPPRIV_H_ */
| 77 struct mtx as_lock; /* lock for access to GATT */
78};
79
80struct agp_gatt {
81 u_int32_t ag_entries;
82 u_int32_t *ag_virtual;
83 vm_offset_t ag_physical;
84};
85
86void agp_flush_cache(void);
87u_int8_t agp_find_caps(device_t dev);
88struct agp_gatt *agp_alloc_gatt(device_t dev);
89void agp_set_aperture_resource(device_t dev, int rid);
90void agp_free_cdev(device_t dev);
91void agp_free_gatt(struct agp_gatt *gatt);
92void agp_free_res(device_t dev);
93int agp_generic_attach(device_t dev);
94int agp_generic_detach(device_t dev);
95u_int32_t agp_generic_get_aperture(device_t dev);
96int agp_generic_set_aperture(device_t dev,
97 u_int32_t aperture);
98int agp_generic_enable(device_t dev, u_int32_t mode);
99struct agp_memory *agp_generic_alloc_memory(device_t dev, int type,
100 vm_size_t size);
101int agp_generic_free_memory(device_t dev,
102 struct agp_memory *mem);
103int agp_generic_bind_memory(device_t dev,
104 struct agp_memory *mem,
105 vm_offset_t offset);
106int agp_generic_unbind_memory(device_t dev,
107 struct agp_memory *mem);
108
109#endif /* !_PCI_AGPPRIV_H_ */
|