| | 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: src/sys/dev/agp/agppriv.h,v 1.8 2007/11/12 21:51:37 jhb Exp $ |
| | 27 | * $DragonFly: src/sys/dev/agp/agppriv.h,v 1.8 2008/01/07 01:34:58 corecode Exp $ |
| | 28 | */ |
| | 29 | |
| | 30 | #ifndef _PCI_AGPPRIV_H_ |
| | 31 | #define _PCI_AGPPRIV_H_ |
| | 32 | |
| | 33 | /* |
| | 34 | * This file *must not* be included by code outside the agp driver itself. |
| | 35 | */ |
| | 36 | |
| | 37 | #include <sys/agpio.h> |
| | 38 | #include "agpvar.h" |
| | 39 | |
| | 40 | #define AGP_DEBUGxx |
| | 41 | |
| | 42 | #ifdef AGP_DEBUG |
| | 43 | #define AGP_DPF(x...) do { \ |
| | 44 | printf("agp: "); \ |
| | 45 | printf(##x); \ |
| | 46 | } while (0) |
| | 47 | #else |
| | 48 | #define AGP_DPF(x...) do {} while (0) |
| | 49 | #endif |
| | 50 | |
| | 51 | #include "agp_if.h" |
| | 52 | |
| | 53 | /* |
| | 54 | * Data structure to describe an AGP memory allocation. |
| | 55 | */ |
| | 56 | TAILQ_HEAD(agp_memory_list, agp_memory); |
| | 57 | struct agp_memory { |
| | 58 | TAILQ_ENTRY(agp_memory) am_link; /* wiring for the tailq */ |
| | 59 | int am_id; /* unique id for block */ |
| | 60 | vm_size_t am_size; /* number of bytes allocated */ |
| | 61 | int am_type; /* chipset specific type */ |
| | 62 | struct vm_object *am_obj; /* VM object owning pages */ |
| | 63 | vm_offset_t am_physical; /* bogus hack for i810 */ |
| | 64 | vm_offset_t am_offset; /* page offset if bound */ |
| | 65 | int am_is_bound; /* non-zero if bound */ |
| | 66 | }; |
| | 67 | |
| | 68 | /* |
| | 69 | * All chipset drivers must have this at the start of their softc. |
| | 70 | */ |
| | 71 | struct agp_softc { |
| | 72 | struct resource *as_aperture; /* location of aperture */ |
| | 73 | int as_aperture_rid; |
| | 74 | u_int32_t as_maxmem; /* allocation upper bound */ |
| | 75 | u_int32_t as_allocated; /* amount allocated */ |
| | 76 | enum agp_acquire_state as_state; |
| | 77 | struct agp_memory_list as_memory; /* list of allocated memory */ |
| | 78 | int as_nextid; /* next memory block id */ |
| | 79 | int as_isopen; /* user device is open */ |
| | 80 | struct cdev *as_devnode; /* from make_dev */ |
| | 81 | struct lock as_lock; /* lock for access to GATT */ |
| | 82 | }; |
| | 83 | |
| | 84 | struct agp_gatt { |
| | 85 | u_int32_t ag_entries; |
| | 86 | u_int32_t *ag_virtual; |
| | 87 | vm_offset_t ag_physical; |
| | 88 | }; |
| | 89 | |
| | 90 | void agp_flush_cache(void); |
| | 91 | u_int8_t agp_find_caps(device_t dev); |
| | 92 | struct agp_gatt *agp_alloc_gatt(device_t dev); |
| | 93 | void agp_set_aperture_resource(device_t dev, int rid); |
| | 94 | void agp_free_cdev(device_t dev); |
| | 95 | void agp_free_gatt(struct agp_gatt *gatt); |
| | 96 | void agp_free_res(device_t dev); |
| | 97 | int agp_generic_attach(device_t dev); |
| | 98 | int agp_generic_detach(device_t dev); |
| | 99 | u_int32_t agp_generic_get_aperture(device_t dev); |
| | 100 | int agp_generic_set_aperture(device_t dev, |
| | 101 | u_int32_t aperture); |
| | 102 | int agp_generic_enable(device_t dev, u_int32_t mode); |
| | 103 | struct agp_memory *agp_generic_alloc_memory(device_t dev, int type, |
| | 104 | vm_size_t size); |
| | 105 | int agp_generic_free_memory(device_t dev, |
| | 106 | struct agp_memory *mem); |
| | 107 | int agp_generic_bind_memory(device_t dev, |
| | 108 | struct agp_memory *mem, |
| | 109 | vm_offset_t offset); |
| | 110 | int agp_generic_unbind_memory(device_t dev, |
| | 111 | struct agp_memory *mem); |
| | 112 | |
| | 113 | #endif /* !_PCI_AGPPRIV_H_ */ |
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