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

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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/agp_if.m 173573 2007-11-12 21:51:38Z jhb $
27#
28
29#include <sys/bus.h>
30
31#
32# The AGP interface is used internally to the agp driver to isolate the
33# differences between various AGP chipsets into chipset mini drivers. It
34# should not be used outside the AGP driver. The kernel api for accessing
35# AGP functionality is described in <dev/agp/agpvar.h>
36#
37INTERFACE agp;
38
39#
40# Return the current aperture size.
41#
42METHOD u_int32_t get_aperture {
43 device_t dev;
44};
45
46#

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127
128#
129# Unbind a memory region bound with bind_memory.
130#
131METHOD int unbind_memory {
132 device_t dev;
133 struct agp_memory *handle;
134};