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Diffstat (limited to 'sys/dev/agp/agppriv.h')
| -rw-r--r-- | sys/dev/agp/agppriv.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/sys/dev/agp/agppriv.h b/sys/dev/agp/agppriv.h new file mode 100644 index 0000000..1c5f022 --- /dev/null +++ b/sys/dev/agp/agppriv.h @@ -0,0 +1,105 @@ +/*- + * Copyright (c) 2000 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _PCI_AGPPRIV_H_ +#define _PCI_AGPPRIV_H_ + +/* + * This file *must not* be included by code outside the agp driver itself. + */ + +#include <sys/agpio.h> +#include <pci/agpvar.h> + +#define AGP_DEBUGxx + +#ifdef AGP_DEBUG +#define AGP_DPF(x...) do { \ + printf("agp: "); \ + printf(##x); \ +} while (0) +#else +#define AGP_DPF(x...) do {} while (0) +#endif + +#include "agp_if.h" + +/* + * Data structure to describe an AGP memory allocation. + */ +TAILQ_HEAD(agp_memory_list, agp_memory); +struct agp_memory { + TAILQ_ENTRY(agp_memory) am_link; /* wiring for the tailq */ + int am_id; /* unique id for block */ + vm_size_t am_size; /* number of bytes allocated */ + int am_type; /* chipset specific type */ + struct vm_object *am_obj; /* VM object owning pages */ + vm_offset_t am_physical; /* bogus hack for i810 */ + vm_offset_t am_offset; /* page offset if bound */ + int am_is_bound; /* non-zero if bound */ +}; + +/* + * All chipset drivers must have this at the start of their softc. + */ +struct agp_softc { + struct resource *as_aperture; /* location of aperture */ + u_int32_t as_maxmem; /* allocation upper bound */ + u_int32_t as_allocated; /* amount allocated */ + enum agp_acquire_state as_state; + struct agp_memory_list as_memory; /* list of allocated memory */ + int as_nextid; /* next memory block id */ + int as_isopen; /* user device is open */ + dev_t as_devnode; /* from make_dev */ + struct lock as_lock; /* lock for access to GATT */ +}; + +struct agp_gatt { + u_int32_t ag_entries; + u_int32_t *ag_virtual; + vm_offset_t ag_physical; +}; + +void agp_flush_cache(void); +u_int8_t agp_find_caps(device_t dev); +struct agp_gatt *agp_alloc_gatt(device_t dev); +void agp_free_gatt(struct agp_gatt *gatt); +int agp_generic_attach(device_t dev); +int agp_generic_detach(device_t dev); +int agp_generic_enable(device_t dev, u_int32_t mode); +struct agp_memory *agp_generic_alloc_memory(device_t dev, int type, + vm_size_t size); +int agp_generic_free_memory(device_t dev, + struct agp_memory *mem); +int agp_generic_bind_memory(device_t dev, + struct agp_memory *mem, + vm_offset_t offset); +int agp_generic_unbind_memory(device_t dev, + struct agp_memory *mem); + +#endif /* !_PCI_AGPPRIV_H_ */ |
