From 360475376c5a597caf4a981c934a6b0d783fa94d Mon Sep 17 00:00:00 2001 From: Gareth Hughes Date: Thu, 15 Feb 2001 08:12:14 +0000 Subject: Merge mga-1-0-0-branch into trunk. --- linux/agpsupport.c | 328 ----------------------------------------------------- 1 file changed, 328 deletions(-) delete mode 100644 linux/agpsupport.c (limited to 'linux/agpsupport.c') diff --git a/linux/agpsupport.c b/linux/agpsupport.c deleted file mode 100644 index c996df8f..00000000 --- a/linux/agpsupport.c +++ /dev/null @@ -1,328 +0,0 @@ -/* 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 - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include -#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->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_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); -} -- cgit v1.2.3