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Gareth Hughes 2001-03-08 16:58:27 +00:00
parent 7d2b298294
commit 7918aa6550
6 changed files with 1590 additions and 4 deletions
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335
linux-core/drm_agpsupport.c Normal file
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/* 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,
* 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
* VA LINUX SYSTEMS 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>
* Gareth Hughes <gareth@valinux.com>
*/
#define __NO_VERSION__
#include "drmP.h"
#include <linux/module.h>
#if __REALLY_HAVE_AGP
#if LINUX_VERSION_CODE < 0x020400
#include "agpsupport-pre24.h"
#else
#define DRM_AGP_GET (drm_agp_t *)inter_module_get("drm_agp")
#define DRM_AGP_PUT inter_module_put("drm_agp")
#endif
static const drm_agp_t *drm_agp = NULL;
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->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|| dev->agp->acquired || !drm_agp->acquire) return -EINVAL;
if ((retcode = drm_agp->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->release) return -EINVAL;
drm_agp->release();
dev->agp->acquired = 0;
return 0;
}
void DRM(agp_do_release)(void)
{
if (drm_agp->release) drm_agp->release();
}
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->enable) return -EINVAL;
if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode)))
return -EFAULT;
dev->agp->mode = mode.mode;
drm_agp->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->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 = DRM_AGP_GET;
if (drm_agp) {
if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS)))
return NULL;
memset((void *)head, 0, sizeof(*head));
drm_agp->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)
{
DRM_AGP_PUT;
drm_agp = NULL;
}
agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
{
if (!drm_agp->allocate_memory) return NULL;
return drm_agp->allocate_memory(pages, type);
}
int DRM(agp_free_memory)(agp_memory *handle)
{
if (!handle || !drm_agp->free_memory) return 0;
drm_agp->free_memory(handle);
return 1;
}
int DRM(agp_bind_memory)(agp_memory *handle, off_t start)
{
if (!handle || !drm_agp->bind_memory) return -EINVAL;
return drm_agp->bind_memory(handle, start);
}
int DRM(agp_unbind_memory)(agp_memory *handle)
{
if (!handle || !drm_agp->unbind_memory) return -EINVAL;
return drm_agp->unbind_memory(handle);
}
#endif /* __REALLY_HAVE_AGP */

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linux-core/drm_memory.h Normal file
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/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*-
* Created: Thu Feb 4 14:00:34 1999 by faith@valinux.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
* VA LINUX SYSTEMS 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.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*/
#define __NO_VERSION__
#include <linux/config.h>
#include "drmP.h"
#include <linux/wrapper.h>
typedef struct drm_mem_stats {
const char *name;
int succeed_count;
int free_count;
int fail_count;
unsigned long bytes_allocated;
unsigned long bytes_freed;
} drm_mem_stats_t;
static spinlock_t DRM(mem_lock) = SPIN_LOCK_UNLOCKED;
static unsigned long DRM(ram_available) = 0; /* In pages */
static unsigned long DRM(ram_used) = 0;
static drm_mem_stats_t DRM(mem_stats)[] = {
[DRM_MEM_DMA] = { "dmabufs" },
[DRM_MEM_SAREA] = { "sareas" },
[DRM_MEM_DRIVER] = { "driver" },
[DRM_MEM_MAGIC] = { "magic" },
[DRM_MEM_IOCTLS] = { "ioctltab" },
[DRM_MEM_MAPS] = { "maplist" },
[DRM_MEM_VMAS] = { "vmalist" },
[DRM_MEM_BUFS] = { "buflist" },
[DRM_MEM_SEGS] = { "seglist" },
[DRM_MEM_PAGES] = { "pagelist" },
[DRM_MEM_FILES] = { "files" },
[DRM_MEM_QUEUES] = { "queues" },
[DRM_MEM_CMDS] = { "commands" },
[DRM_MEM_MAPPINGS] = { "mappings" },
[DRM_MEM_BUFLISTS] = { "buflists" },
[DRM_MEM_AGPLISTS] = { "agplist" },
[DRM_MEM_TOTALAGP] = { "totalagp" },
[DRM_MEM_BOUNDAGP] = { "boundagp" },
[DRM_MEM_CTXBITMAP] = { "ctxbitmap"},
[DRM_MEM_STUB] = { "stub" },
{ NULL, 0, } /* Last entry must be null */
};
void DRM(mem_init)(void)
{
drm_mem_stats_t *mem;
struct sysinfo si;
for (mem = DRM(mem_stats); mem->name; ++mem) {
mem->succeed_count = 0;
mem->free_count = 0;
mem->fail_count = 0;
mem->bytes_allocated = 0;
mem->bytes_freed = 0;
}
si_meminfo(&si);
#if LINUX_VERSION_CODE < 0x020317
/* Changed to page count in 2.3.23 */
DRM(ram_available) = si.totalram >> PAGE_SHIFT;
#else
DRM(ram_available) = si.totalram;
#endif
DRM(ram_used) = 0;
}
/* drm_mem_info is called whenever a process reads /dev/drm/mem. */
static int DRM(_mem_info)(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
{
drm_mem_stats_t *pt;
int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*eof = 0;
*start = &buf[offset];
DRM_PROC_PRINT(" total counts "
" | outstanding \n");
DRM_PROC_PRINT("type alloc freed fail bytes freed"
" | allocs bytes\n\n");
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n",
"system", 0, 0, 0,
DRM(ram_available) << (PAGE_SHIFT - 10));
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n",
"locked", 0, 0, 0, DRM(ram_used) >> 10);
DRM_PROC_PRINT("\n");
for (pt = DRM(mem_stats); pt->name; pt++) {
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
pt->name,
pt->succeed_count,
pt->free_count,
pt->fail_count,
pt->bytes_allocated,
pt->bytes_freed,
pt->succeed_count - pt->free_count,
(long)pt->bytes_allocated
- (long)pt->bytes_freed);
}
if (len > request + offset) return request;
*eof = 1;
return len - offset;
}
int DRM(mem_info)(char *buf, char **start, off_t offset,
int len, int *eof, void *data)
{
int ret;
spin_lock(&DRM(mem_lock));
ret = DRM(_mem_info)(buf, start, offset, len, eof, data);
spin_unlock(&DRM(mem_lock));
return ret;
}
void *DRM(alloc)(size_t size, int area)
{
void *pt;
if (!size) {
DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
return NULL;
}
if (!(pt = kmalloc(size, GFP_KERNEL))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
return pt;
}
void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
{
void *pt;
if (!(pt = DRM(alloc)(size, area))) return NULL;
if (oldpt && oldsize) {
memcpy(pt, oldpt, oldsize);
DRM(free)(oldpt, oldsize, area);
}
return pt;
}
char *DRM(strdup)(const char *s, int area)
{
char *pt;
int length = s ? strlen(s) : 0;
if (!(pt = DRM(alloc)(length+1, area))) return NULL;
strcpy(pt, s);
return pt;
}
void DRM(strfree)(const char *s, int area)
{
unsigned int size;
if (!s) return;
size = 1 + (s ? strlen(s) : 0);
DRM(free)((void *)s, size, area);
}
void DRM(free)(void *pt, size_t size, int area)
{
int alloc_count;
int free_count;
if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
else kfree(pt);
spin_lock(&DRM(mem_lock));
DRM(mem_stats)[area].bytes_freed += size;
free_count = ++DRM(mem_stats)[area].free_count;
alloc_count = DRM(mem_stats)[area].succeed_count;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
}
unsigned long DRM(alloc_pages)(int order, int area)
{
unsigned long address;
unsigned long bytes = PAGE_SIZE << order;
unsigned long addr;
unsigned int sz;
spin_lock(&DRM(mem_lock));
if ((DRM(ram_used) >> PAGE_SHIFT)
> (DRM_RAM_PERCENT * DRM(ram_available)) / 100) {
spin_unlock(&DRM(mem_lock));
return 0;
}
spin_unlock(&DRM(mem_lock));
address = __get_free_pages(GFP_KERNEL, order);
if (!address) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].fail_count;
spin_unlock(&DRM(mem_lock));
return 0;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_allocated += bytes;
DRM(ram_used) += bytes;
spin_unlock(&DRM(mem_lock));
/* Zero outside the lock */
memset((void *)address, 0, bytes);
/* Reserve */
for (addr = address, sz = bytes;
sz > 0;
addr += PAGE_SIZE, sz -= PAGE_SIZE) {
#if LINUX_VERSION_CODE >= 0x020400
/* Argument type changed in 2.4.0-test6/pre8 */
mem_map_reserve(virt_to_page(addr));
#else
mem_map_reserve(MAP_NR(addr));
#endif
}
return address;
}
void DRM(free_pages)(unsigned long address, int order, int area)
{
unsigned long bytes = PAGE_SIZE << order;
int alloc_count;
int free_count;
unsigned long addr;
unsigned int sz;
if (!address) {
DRM_MEM_ERROR(area, "Attempt to free address 0\n");
} else {
/* Unreserve */
for (addr = address, sz = bytes;
sz > 0;
addr += PAGE_SIZE, sz -= PAGE_SIZE) {
#if LINUX_VERSION_CODE >= 0x020400
/* Argument type changed in 2.4.0-test6/pre8 */
mem_map_unreserve(virt_to_page(addr));
#else
mem_map_unreserve(MAP_NR(addr));
#endif
}
free_pages(address, order);
}
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[area].free_count;
alloc_count = DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_freed += bytes;
DRM(ram_used) -= bytes;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(area,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
}
void *DRM(ioremap)(unsigned long offset, unsigned long size)
{
void *pt;
if (!size) {
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Mapping 0 bytes at 0x%08lx\n", offset);
return NULL;
}
if (!(pt = ioremap(offset, size))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
return pt;
}
void DRM(ioremapfree)(void *pt, unsigned long size)
{
int alloc_count;
int free_count;
if (!pt)
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Attempt to free NULL pointer\n");
else
iounmap(pt);
spin_lock(&DRM(mem_lock));
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size;
free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
}
#if __REALLY_HAVE_AGP
agp_memory *DRM(alloc_agp)(int pages, u32 type)
{
agp_memory *handle;
if (!pages) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
return NULL;
}
if ((handle = DRM(agp_allocate_memory)(pages, type))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated
+= pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
return handle;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
int DRM(free_agp)(agp_memory *handle, int pages)
{
int alloc_count;
int free_count;
int retval = -EINVAL;
if (!handle) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
"Attempt to free NULL AGP handle\n");
return retval;;
}
if (DRM(agp_free_memory)(handle)) {
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed
+= pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
return 0;
}
return retval;
}
int DRM(bind_agp)(agp_memory *handle, unsigned int start)
{
int retcode = -EINVAL;
if (!handle) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
"Attempt to bind NULL AGP handle\n");
return retcode;
}
if (!(retcode = DRM(agp_bind_memory)(handle, start))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated
+= handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
return retcode;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count;
spin_unlock(&DRM(mem_lock));
return retcode;
}
int DRM(unbind_agp)(agp_memory *handle)
{
int alloc_count;
int free_count;
int retcode = -EINVAL;
if (!handle) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
"Attempt to unbind NULL AGP handle\n");
return retcode;
}
if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode;
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed
+= handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
return retcode;
}
#endif

4
linux-core/radeon_drv.c
View file

@ -34,8 +34,8 @@
#define RADEON_NAME "radeon"
#define RADEON_DESC "ATI Radeon"
#define RADEON_DATE "20010105"
#define RADEON_MAJOR 1
#define RADEON_DATE "20010309"
#define RADEON_MAJOR 2
#define RADEON_MINOR 0
#define RADEON_PATCHLEVEL 0

335
linux/drm_agpsupport.h Normal file
View file

@ -0,0 +1,335 @@
/* 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,
* 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
* VA LINUX SYSTEMS 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>
* Gareth Hughes <gareth@valinux.com>
*/
#define __NO_VERSION__
#include "drmP.h"
#include <linux/module.h>
#if __REALLY_HAVE_AGP
#if LINUX_VERSION_CODE < 0x020400
#include "agpsupport-pre24.h"
#else
#define DRM_AGP_GET (drm_agp_t *)inter_module_get("drm_agp")
#define DRM_AGP_PUT inter_module_put("drm_agp")
#endif
static const drm_agp_t *drm_agp = NULL;
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->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|| dev->agp->acquired || !drm_agp->acquire) return -EINVAL;
if ((retcode = drm_agp->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->release) return -EINVAL;
drm_agp->release();
dev->agp->acquired = 0;
return 0;
}
void DRM(agp_do_release)(void)
{
if (drm_agp->release) drm_agp->release();
}
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->enable) return -EINVAL;
if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode)))
return -EFAULT;
dev->agp->mode = mode.mode;
drm_agp->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->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 = DRM_AGP_GET;
if (drm_agp) {
if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS)))
return NULL;
memset((void *)head, 0, sizeof(*head));
drm_agp->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)
{
DRM_AGP_PUT;
drm_agp = NULL;
}
agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
{
if (!drm_agp->allocate_memory) return NULL;
return drm_agp->allocate_memory(pages, type);
}
int DRM(agp_free_memory)(agp_memory *handle)
{
if (!handle || !drm_agp->free_memory) return 0;
drm_agp->free_memory(handle);
return 1;
}
int DRM(agp_bind_memory)(agp_memory *handle, off_t start)
{
if (!handle || !drm_agp->bind_memory) return -EINVAL;
return drm_agp->bind_memory(handle, start);
}
int DRM(agp_unbind_memory)(agp_memory *handle)
{
if (!handle || !drm_agp->unbind_memory) return -EINVAL;
return drm_agp->unbind_memory(handle);
}
#endif /* __REALLY_HAVE_AGP */

458
linux/drm_memory.h Normal file
View file

@ -0,0 +1,458 @@
/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*-
* Created: Thu Feb 4 14:00:34 1999 by faith@valinux.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
* VA LINUX SYSTEMS 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.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*/
#define __NO_VERSION__
#include <linux/config.h>
#include "drmP.h"
#include <linux/wrapper.h>
typedef struct drm_mem_stats {
const char *name;
int succeed_count;
int free_count;
int fail_count;
unsigned long bytes_allocated;
unsigned long bytes_freed;
} drm_mem_stats_t;
static spinlock_t DRM(mem_lock) = SPIN_LOCK_UNLOCKED;
static unsigned long DRM(ram_available) = 0; /* In pages */
static unsigned long DRM(ram_used) = 0;
static drm_mem_stats_t DRM(mem_stats)[] = {
[DRM_MEM_DMA] = { "dmabufs" },
[DRM_MEM_SAREA] = { "sareas" },
[DRM_MEM_DRIVER] = { "driver" },
[DRM_MEM_MAGIC] = { "magic" },
[DRM_MEM_IOCTLS] = { "ioctltab" },
[DRM_MEM_MAPS] = { "maplist" },
[DRM_MEM_VMAS] = { "vmalist" },
[DRM_MEM_BUFS] = { "buflist" },
[DRM_MEM_SEGS] = { "seglist" },
[DRM_MEM_PAGES] = { "pagelist" },
[DRM_MEM_FILES] = { "files" },
[DRM_MEM_QUEUES] = { "queues" },
[DRM_MEM_CMDS] = { "commands" },
[DRM_MEM_MAPPINGS] = { "mappings" },
[DRM_MEM_BUFLISTS] = { "buflists" },
[DRM_MEM_AGPLISTS] = { "agplist" },
[DRM_MEM_TOTALAGP] = { "totalagp" },
[DRM_MEM_BOUNDAGP] = { "boundagp" },
[DRM_MEM_CTXBITMAP] = { "ctxbitmap"},
[DRM_MEM_STUB] = { "stub" },
{ NULL, 0, } /* Last entry must be null */
};
void DRM(mem_init)(void)
{
drm_mem_stats_t *mem;
struct sysinfo si;
for (mem = DRM(mem_stats); mem->name; ++mem) {
mem->succeed_count = 0;
mem->free_count = 0;
mem->fail_count = 0;
mem->bytes_allocated = 0;
mem->bytes_freed = 0;
}
si_meminfo(&si);
#if LINUX_VERSION_CODE < 0x020317
/* Changed to page count in 2.3.23 */
DRM(ram_available) = si.totalram >> PAGE_SHIFT;
#else
DRM(ram_available) = si.totalram;
#endif
DRM(ram_used) = 0;
}
/* drm_mem_info is called whenever a process reads /dev/drm/mem. */
static int DRM(_mem_info)(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
{
drm_mem_stats_t *pt;
int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
*eof = 0;
*start = &buf[offset];
DRM_PROC_PRINT(" total counts "
" | outstanding \n");
DRM_PROC_PRINT("type alloc freed fail bytes freed"
" | allocs bytes\n\n");
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n",
"system", 0, 0, 0,
DRM(ram_available) << (PAGE_SHIFT - 10));
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n",
"locked", 0, 0, 0, DRM(ram_used) >> 10);
DRM_PROC_PRINT("\n");
for (pt = DRM(mem_stats); pt->name; pt++) {
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
pt->name,
pt->succeed_count,
pt->free_count,
pt->fail_count,
pt->bytes_allocated,
pt->bytes_freed,
pt->succeed_count - pt->free_count,
(long)pt->bytes_allocated
- (long)pt->bytes_freed);
}
if (len > request + offset) return request;
*eof = 1;
return len - offset;
}
int DRM(mem_info)(char *buf, char **start, off_t offset,
int len, int *eof, void *data)
{
int ret;
spin_lock(&DRM(mem_lock));
ret = DRM(_mem_info)(buf, start, offset, len, eof, data);
spin_unlock(&DRM(mem_lock));
return ret;
}
void *DRM(alloc)(size_t size, int area)
{
void *pt;
if (!size) {
DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
return NULL;
}
if (!(pt = kmalloc(size, GFP_KERNEL))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
return pt;
}
void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
{
void *pt;
if (!(pt = DRM(alloc)(size, area))) return NULL;
if (oldpt && oldsize) {
memcpy(pt, oldpt, oldsize);
DRM(free)(oldpt, oldsize, area);
}
return pt;
}
char *DRM(strdup)(const char *s, int area)
{
char *pt;
int length = s ? strlen(s) : 0;
if (!(pt = DRM(alloc)(length+1, area))) return NULL;
strcpy(pt, s);
return pt;
}
void DRM(strfree)(const char *s, int area)
{
unsigned int size;
if (!s) return;
size = 1 + (s ? strlen(s) : 0);
DRM(free)((void *)s, size, area);
}
void DRM(free)(void *pt, size_t size, int area)
{
int alloc_count;
int free_count;
if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
else kfree(pt);
spin_lock(&DRM(mem_lock));
DRM(mem_stats)[area].bytes_freed += size;
free_count = ++DRM(mem_stats)[area].free_count;
alloc_count = DRM(mem_stats)[area].succeed_count;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
}
unsigned long DRM(alloc_pages)(int order, int area)
{
unsigned long address;
unsigned long bytes = PAGE_SIZE << order;
unsigned long addr;
unsigned int sz;
spin_lock(&DRM(mem_lock));
if ((DRM(ram_used) >> PAGE_SHIFT)
> (DRM_RAM_PERCENT * DRM(ram_available)) / 100) {
spin_unlock(&DRM(mem_lock));
return 0;
}
spin_unlock(&DRM(mem_lock));
address = __get_free_pages(GFP_KERNEL, order);
if (!address) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].fail_count;
spin_unlock(&DRM(mem_lock));
return 0;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_allocated += bytes;
DRM(ram_used) += bytes;
spin_unlock(&DRM(mem_lock));
/* Zero outside the lock */
memset((void *)address, 0, bytes);
/* Reserve */
for (addr = address, sz = bytes;
sz > 0;
addr += PAGE_SIZE, sz -= PAGE_SIZE) {
#if LINUX_VERSION_CODE >= 0x020400
/* Argument type changed in 2.4.0-test6/pre8 */
mem_map_reserve(virt_to_page(addr));
#else
mem_map_reserve(MAP_NR(addr));
#endif
}
return address;
}
void DRM(free_pages)(unsigned long address, int order, int area)
{
unsigned long bytes = PAGE_SIZE << order;
int alloc_count;
int free_count;
unsigned long addr;
unsigned int sz;
if (!address) {
DRM_MEM_ERROR(area, "Attempt to free address 0\n");
} else {
/* Unreserve */
for (addr = address, sz = bytes;
sz > 0;
addr += PAGE_SIZE, sz -= PAGE_SIZE) {
#if LINUX_VERSION_CODE >= 0x020400
/* Argument type changed in 2.4.0-test6/pre8 */
mem_map_unreserve(virt_to_page(addr));
#else
mem_map_unreserve(MAP_NR(addr));
#endif
}
free_pages(address, order);
}
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[area].free_count;
alloc_count = DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_freed += bytes;
DRM(ram_used) -= bytes;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(area,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
}
void *DRM(ioremap)(unsigned long offset, unsigned long size)
{
void *pt;
if (!size) {
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Mapping 0 bytes at 0x%08lx\n", offset);
return NULL;
}
if (!(pt = ioremap(offset, size))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
spin_unlock(&DRM(mem_lock));
return pt;
}
void DRM(ioremapfree)(void *pt, unsigned long size)
{
int alloc_count;
int free_count;
if (!pt)
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Attempt to free NULL pointer\n");
else
iounmap(pt);
spin_lock(&DRM(mem_lock));
DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size;
free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
}
#if __REALLY_HAVE_AGP
agp_memory *DRM(alloc_agp)(int pages, u32 type)
{
agp_memory *handle;
if (!pages) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
return NULL;
}
if ((handle = DRM(agp_allocate_memory)(pages, type))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated
+= pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
return handle;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count;
spin_unlock(&DRM(mem_lock));
return NULL;
}
int DRM(free_agp)(agp_memory *handle, int pages)
{
int alloc_count;
int free_count;
int retval = -EINVAL;
if (!handle) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
"Attempt to free NULL AGP handle\n");
return retval;;
}
if (DRM(agp_free_memory)(handle)) {
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed
+= pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
return 0;
}
return retval;
}
int DRM(bind_agp)(agp_memory *handle, unsigned int start)
{
int retcode = -EINVAL;
if (!handle) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
"Attempt to bind NULL AGP handle\n");
return retcode;
}
if (!(retcode = DRM(agp_bind_memory)(handle, start))) {
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated
+= handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
return retcode;
}
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count;
spin_unlock(&DRM(mem_lock));
return retcode;
}
int DRM(unbind_agp)(agp_memory *handle)
{
int alloc_count;
int free_count;
int retcode = -EINVAL;
if (!handle) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
"Attempt to unbind NULL AGP handle\n");
return retcode;
}
if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode;
spin_lock(&DRM(mem_lock));
free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count;
alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed
+= handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
"Excess frees: %d frees, %d allocs\n",
free_count, alloc_count);
}
return retcode;
}
#endif

4
linux/radeon_drv.c
View file

@ -34,8 +34,8 @@
#define RADEON_NAME "radeon"
#define RADEON_DESC "ATI Radeon"
#define RADEON_DATE "20010105"
#define RADEON_MAJOR 1
#define RADEON_DATE "20010309"
#define RADEON_MAJOR 2
#define RADEON_MINOR 0
#define RADEON_PATCHLEVEL 0