drm_agpsupport.c revision 60405de4d8688d96dd05157c28db3ade5c9bc234
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*-
* Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com
*/
/*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Author:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "drm.h"
#include "drmP.h"
#ifndef AGP_PAGE_SIZE
#define AGP_PAGE_SIZE 4096
#define AGP_PAGE_SHIFT 12
#endif
/*ARGSUSED*/
int
{
return (1);
}
/*ARGSUSED*/
int
{
return (0);
}
/*ARGSUSED*/
int
{
return (-1);
&rval);
if (ret) {
DRM_ERROR("drm_agp_info: AGPIOC_INFO failed");
return (-1);
}
return (0);
}
/*ARGSUSED*/
int
{
DRM_DEBUG("drm_agp_acquire\n");
DRM_ERROR(" drm_agp_acquire : dev->agp=NULL");
return (-1);
}
return (DDI_FAILURE);
}
if (ret) {
DRM_ERROR("drm_agp_acquired: AGPIOC_ACQUIRE failed\n");
return (DDI_FAILURE);
}
DRM_DEBUG("drm_agp_acquired: Acquired\n");
return (0);
}
/*ARGSUSED*/
int
{
int ret;
return (ret);
}
/*ARGSUSED*/
int
{
return (ENODEV);
return (EBUSY);
if (dev->agpgart_hdl) {
if (ret) {
DRM_ERROR("drm_agp_release: AGPIOC_RELEASE failed\n");
return (ENXIO);
}
}
return (0);
}
/*ARGSUSED*/
int
{
return (ENODEV);
return (EBUSY);
sizeof (modes));
if (ret) {
DRM_DEBUG("drm_agp_enable: failed");
return (-1);
}
DRM_DEBUG("drm_agp_enable: successful");
return (0);
}
/*ARGSUSED*/
int
{
int pages;
if (ret) {
DRM_ERROR("drm_agp_alloc: AGPIOC_ALLOCATE failed");
return (DDI_FAILURE);
}
DRM_DEBUG("drm_agp_alloc: virtual address is %lx physical is %lx\n",
/* not used */
/* dev->agp_umem_kvaddr = (unsigned long)alloc.agpa_kvaddr; */
return (0);
}
/*ARGSUSED*/
static drm_agp_mem_t *
{
DRM_DEBUG("drm_agp_lookup_entry");
return (entry);
}
return (NULL);
}
/*ARGSUSED*/
int
{
if (ret) {
DRM_ERROR("drm_agp_unbind: AGPIOC_UNBIND failed");
return (-1);
}
return (0);
}
/*ARGSUSED*/
int
{
int page;
return (-1);
DRM_DEBUG("drm_agp_bind: base = 0x%lx, entry->bound = 0x%lx",
return (0);
}
/*ARGSUSED*/
int
{
sizeof (request));
if (ret) {
DRM_ERROR("drm_agp_free: AGPIOC_DEALLOCATE failed");
return (-1);
}
return (0);
}
/*ARGSUSED*/
drm_agp_init(void)
{
DRM_DEBUG("drm_agp_init\n");
return (NULL);
return (head);
return (NULL);
}
/*ARGSUSED*/
void
{
}
/*ARGSUSED*/
void *
{
return (NULL);
}
/*ARGSUSED*/
int
drm_agp_free_memory(void *handle)
{
return (1);
}
/*ARGSUSED*/
int
{
DRM_DEBUG("drm_agp_bind_memory");
if (ret) {
DRM_DEBUG("drm_agp_bind_meory: AGPIOC_BIND failed");
return (-1);
}
return (0);
}
/*ARGSUSED*/
int
{
if (ret) {
DRM_ERROR("drm_agp_unbind: AGPIO_UNBIND failed");
goto error;
}
return (0);
return (-1);
}