Split agpsupport.c into pre-2.4.0 version and current version.
Rik Faith
parent
94071289a4
commit
006458f227
|
|
@ -0,0 +1,293 @@
|
||||||
|
/* agpsupport.c -- 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,
|
||||||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||||||
|
* 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
|
||||||
|
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||||||
|
* 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>
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define __NO_VERSION__
|
||||||
|
#include "drmP.h"
|
||||||
|
#include <linux/module.h>
|
||||||
|
|
||||||
|
const drm_agp_t *drm_agp_p;
|
||||||
|
|
||||||
|
int drm_agp_info(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
agp_kern_info *kern;
|
||||||
|
drm_agp_info_t info;
|
||||||
|
|
||||||
|
if (!dev->agp->acquired || !(drm_agp_p->copy_info)) return -EINVAL;
|
||||||
|
|
||||||
|
kern = &dev->agp->agp_info;
|
||||||
|
info.agp_version_major = kern->version.major;
|
||||||
|
info.agp_version_minor = kern->version.minor;
|
||||||
|
info.mode = kern->mode;
|
||||||
|
info.aperture_base = kern->aper_base;
|
||||||
|
info.aperture_size = kern->aper_size * 1024 * 1024;
|
||||||
|
info.memory_allowed = kern->max_memory << PAGE_SHIFT;
|
||||||
|
info.memory_used = kern->current_memory << PAGE_SHIFT;
|
||||||
|
info.id_vendor = kern->device->vendor;
|
||||||
|
info.id_device = kern->device->device;
|
||||||
|
|
||||||
|
if (copy_to_user((drm_agp_info_t *)arg, &info, sizeof(info)))
|
||||||
|
return -EFAULT;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
int retcode;
|
||||||
|
|
||||||
|
if (dev->agp->acquired || !(drm_agp_p->acquire)) return -EINVAL;
|
||||||
|
if ((retcode = (*(drm_agp_p->acquire))())) return retcode;
|
||||||
|
dev->agp->acquired = 1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int drm_agp_release(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
|
||||||
|
if (!dev->agp->acquired || !(drm_agp_p->release)) return -EINVAL;
|
||||||
|
(*(drm_agp_p->release))();
|
||||||
|
dev->agp->acquired = 0;
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
drm_agp_mode_t mode;
|
||||||
|
|
||||||
|
if (!dev->agp->acquired || !(drm_agp_p->enable)) return -EINVAL;
|
||||||
|
|
||||||
|
if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode)))
|
||||||
|
return -EFAULT;
|
||||||
|
|
||||||
|
dev->agp->mode = mode.mode;
|
||||||
|
(*(drm_agp_p->enable))(mode.mode);
|
||||||
|
dev->agp->base = dev->agp->agp_info.aper_base;
|
||||||
|
dev->agp->enabled = 1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
drm_agp_buffer_t request;
|
||||||
|
drm_agp_mem_t *entry;
|
||||||
|
agp_memory *memory;
|
||||||
|
unsigned long pages;
|
||||||
|
u32 type;
|
||||||
|
if (!dev->agp->acquired) return -EINVAL;
|
||||||
|
if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request)))
|
||||||
|
return -EFAULT;
|
||||||
|
if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS)))
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
memset(entry, 0, sizeof(*entry));
|
||||||
|
|
||||||
|
pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
|
||||||
|
type = (u32) request.type;
|
||||||
|
|
||||||
|
if (!(memory = drm_alloc_agp(pages, type))) {
|
||||||
|
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
|
entry->handle = (unsigned long)memory->memory;
|
||||||
|
entry->memory = memory;
|
||||||
|
entry->bound = 0;
|
||||||
|
entry->pages = pages;
|
||||||
|
entry->prev = NULL;
|
||||||
|
entry->next = dev->agp->memory;
|
||||||
|
if (dev->agp->memory) dev->agp->memory->prev = entry;
|
||||||
|
dev->agp->memory = entry;
|
||||||
|
|
||||||
|
request.handle = entry->handle;
|
||||||
|
request.physical = memory->physical;
|
||||||
|
|
||||||
|
if (copy_to_user((drm_agp_buffer_t *)arg, &request, sizeof(request))) {
|
||||||
|
dev->agp->memory = entry->next;
|
||||||
|
dev->agp->memory->prev = NULL;
|
||||||
|
drm_free_agp(memory, pages);
|
||||||
|
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
|
||||||
|
return -EFAULT;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev,
|
||||||
|
unsigned long handle)
|
||||||
|
{
|
||||||
|
drm_agp_mem_t *entry;
|
||||||
|
|
||||||
|
for (entry = dev->agp->memory; entry; entry = entry->next) {
|
||||||
|
if (entry->handle == handle) return entry;
|
||||||
|
}
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
int drm_agp_unbind(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
drm_agp_binding_t request;
|
||||||
|
drm_agp_mem_t *entry;
|
||||||
|
|
||||||
|
if (!dev->agp->acquired) return -EINVAL;
|
||||||
|
if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request)))
|
||||||
|
return -EFAULT;
|
||||||
|
if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
|
||||||
|
return -EINVAL;
|
||||||
|
if (!entry->bound) return -EINVAL;
|
||||||
|
return drm_unbind_agp(entry->memory);
|
||||||
|
}
|
||||||
|
|
||||||
|
int drm_agp_bind(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
drm_agp_binding_t request;
|
||||||
|
drm_agp_mem_t *entry;
|
||||||
|
int retcode;
|
||||||
|
int page;
|
||||||
|
|
||||||
|
if (!dev->agp->acquired || !(drm_agp_p->bind_memory)) return -EINVAL;
|
||||||
|
if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request)))
|
||||||
|
return -EFAULT;
|
||||||
|
if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
|
||||||
|
return -EINVAL;
|
||||||
|
if (entry->bound) return -EINVAL;
|
||||||
|
page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE;
|
||||||
|
if ((retcode = drm_bind_agp(entry->memory, page))) return retcode;
|
||||||
|
entry->bound = dev->agp->base + (page << PAGE_SHIFT);
|
||||||
|
DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n",
|
||||||
|
dev->agp->base, entry->bound);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int drm_agp_free(struct inode *inode, struct file *filp, unsigned int cmd,
|
||||||
|
unsigned long arg)
|
||||||
|
{
|
||||||
|
drm_file_t *priv = filp->private_data;
|
||||||
|
drm_device_t *dev = priv->dev;
|
||||||
|
drm_agp_buffer_t request;
|
||||||
|
drm_agp_mem_t *entry;
|
||||||
|
|
||||||
|
if (!dev->agp->acquired) return -EINVAL;
|
||||||
|
if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request)))
|
||||||
|
return -EFAULT;
|
||||||
|
if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
|
||||||
|
return -EINVAL;
|
||||||
|
if (entry->bound) drm_unbind_agp(entry->memory);
|
||||||
|
|
||||||
|
if (entry->prev) entry->prev->next = entry->next;
|
||||||
|
else dev->agp->memory = entry->next;
|
||||||
|
if (entry->next) entry->next->prev = entry->prev;
|
||||||
|
drm_free_agp(entry->memory, entry->pages);
|
||||||
|
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
drm_agp_head_t *drm_agp_init(void)
|
||||||
|
{
|
||||||
|
drm_agp_head_t *head = NULL;
|
||||||
|
|
||||||
|
drm_agp_p = (drm_agp_t *)inter_module_get("drm_agp");
|
||||||
|
DRM_DEBUG("drm_agp_p = %p\n", drm_agp_p);
|
||||||
|
|
||||||
|
if (drm_agp_p) {
|
||||||
|
if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS)))
|
||||||
|
return NULL;
|
||||||
|
memset((void *)head, 0, sizeof(*head));
|
||||||
|
(*(drm_agp_p->copy_info))(&head->agp_info);
|
||||||
|
if (head->agp_info.chipset == NOT_SUPPORTED) {
|
||||||
|
drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
head->memory = NULL;
|
||||||
|
switch (head->agp_info.chipset) {
|
||||||
|
case INTEL_GENERIC: head->chipset = "Intel"; break;
|
||||||
|
case INTEL_LX: head->chipset = "Intel 440LX"; break;
|
||||||
|
case INTEL_BX: head->chipset = "Intel 440BX"; break;
|
||||||
|
case INTEL_GX: head->chipset = "Intel 440GX"; break;
|
||||||
|
case INTEL_I810: head->chipset = "Intel i810"; break;
|
||||||
|
|
||||||
|
#if LINUX_VERSION_CODE >= 0x020400
|
||||||
|
case INTEL_I840: head->chipset = "Intel i840"; break;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
case VIA_GENERIC: head->chipset = "VIA"; break;
|
||||||
|
case VIA_VP3: head->chipset = "VIA VP3"; break;
|
||||||
|
case VIA_MVP3: head->chipset = "VIA MVP3"; break;
|
||||||
|
|
||||||
|
#if LINUX_VERSION_CODE >= 0x020400
|
||||||
|
case VIA_MVP4: head->chipset = "VIA MVP4"; break;
|
||||||
|
case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133";
|
||||||
|
break;
|
||||||
|
case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133";
|
||||||
|
break;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro";
|
||||||
|
break;
|
||||||
|
case SIS_GENERIC: head->chipset = "SiS"; break;
|
||||||
|
case AMD_GENERIC: head->chipset = "AMD"; break;
|
||||||
|
case AMD_IRONGATE: head->chipset = "AMD Irongate"; break;
|
||||||
|
case ALI_GENERIC: head->chipset = "ALi"; break;
|
||||||
|
case ALI_M1541: head->chipset = "ALi M1541"; break;
|
||||||
|
default: head->chipset = "Unknown"; break;
|
||||||
|
}
|
||||||
|
DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n",
|
||||||
|
head->agp_info.version.major,
|
||||||
|
head->agp_info.version.minor,
|
||||||
|
head->chipset,
|
||||||
|
head->agp_info.aper_base,
|
||||||
|
head->agp_info.aper_size);
|
||||||
|
}
|
||||||
|
return head;
|
||||||
|
}
|
||||||
|
|
||||||
|
void drm_agp_uninit(void)
|
||||||
|
{
|
||||||
|
inter_module_put("drm_agp");
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue