2 * Copyright (c) 2000 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $FreeBSD: src/sys/dev/agp/agppriv.h,v 1.8 2007/11/12 21:51:37 jhb Exp $
29 #ifndef _PCI_AGPPRIV_H_
30 #define _PCI_AGPPRIV_H_
33 * This file *must not* be included by code outside the agp driver itself.
36 #include <sys/agpio.h>
42 #define AGP_DPF(fmt, ...) do { \
43 kprintf("agp: " fmt, ##__VA_ARGS__); \
46 #define AGP_DPF(x...) do {} while (0)
52 * Data structure to describe an AGP memory allocation.
54 TAILQ_HEAD(agp_memory_list
, 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 */
67 * All chipset drivers must have this at the start of their softc.
70 struct resource
*as_aperture
; /* location of aperture */
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 */
78 struct cdev
*as_devnode
; /* from make_dev */
79 struct lock as_lock
; /* lock for access to GATT */
84 u_int32_t
*ag_virtual
;
85 vm_offset_t ag_physical
;
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
);
91 void agp_set_aperture_resource(device_t dev
, int rid
);
92 void agp_free_cdev(device_t dev
);
93 void agp_free_gatt(struct agp_gatt
*gatt
);
94 void agp_free_res(device_t dev
);
95 int agp_generic_attach(device_t dev
);
96 int agp_generic_detach(device_t dev
);
97 u_int32_t
agp_generic_get_aperture(device_t dev
);
98 int agp_generic_set_aperture(device_t dev
,
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
,
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
,
108 int agp_generic_unbind_memory(device_t dev
,
109 struct agp_memory
*mem
);
111 #endif /* !_PCI_AGPPRIV_H_ */