From 44aa4d6297874022a4f5a49ea24f2d052584d3dc Mon Sep 17 00:00:00 2001 From: David Dawes Date: Sun, 27 Jan 2002 20:05:42 +0000 Subject: First pass merge of XFree86 4.2.0 import. --- bsd/drm/agpsupport.c | 270 --------------------------------------------------- 1 file changed, 270 deletions(-) delete mode 100644 bsd/drm/agpsupport.c (limited to 'bsd/drm/agpsupport.c') diff --git a/bsd/drm/agpsupport.c b/bsd/drm/agpsupport.c deleted file mode 100644 index f399171e..00000000 --- a/bsd/drm/agpsupport.c +++ /dev/null @@ -1,270 +0,0 @@ -/* agpsupport.c -- DRM support for AGP/GART backend - * 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" - -#ifdef DRM_AGP - -#include - -MODULE_DEPEND(drm, agp, 1, 1, 1); - -int -drm_agp_info(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - struct agp_info *kern; - drm_agp_info_t info; - - if (!dev->agp->acquired) return EINVAL; - - kern = &dev->agp->info; - agp_get_info(dev->agp->agpdev, kern); - info.agp_version_major = 1; - info.agp_version_minor = 0; - info.mode = kern->ai_mode; - info.aperture_base = kern->ai_aperture_base; - info.aperture_size = kern->ai_aperture_size; - info.memory_allowed = kern->ai_memory_allowed; - info.memory_used = kern->ai_memory_used; - info.id_vendor = kern->ai_devid & 0xffff; - info.id_device = kern->ai_devid >> 16; - - *(drm_agp_info_t *) data = info; - return 0; -} - -int -drm_agp_acquire(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - int retcode; - - if (dev->agp->acquired) return EINVAL; - retcode = agp_acquire(dev->agp->agpdev); - if (retcode) return retcode; - dev->agp->acquired = 1; - return 0; -} - -int -drm_agp_release(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - - if (!dev->agp->acquired) return EINVAL; - agp_release(dev->agp->agpdev); - dev->agp->acquired = 0; - return 0; - -} - -int -drm_agp_enable(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - drm_agp_mode_t mode; - - if (!dev->agp->acquired) return EINVAL; - - mode = *(drm_agp_mode_t *) data; - - dev->agp->mode = mode.mode; - agp_enable(dev->agp->agpdev, mode.mode); - dev->agp->base = dev->agp->info.ai_aperture_base; - dev->agp->enabled = 1; - return 0; -} - -int drm_agp_alloc(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - drm_agp_buffer_t request; - drm_agp_mem_t *entry; - void *handle; - unsigned long pages; - u_int32_t type; - struct agp_memory_info info; - - if (!dev->agp->acquired) return EINVAL; - - request = *(drm_agp_buffer_t *) data; - - 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 = (u_int32_t) request.type; - - if (!(handle = drm_alloc_agp(pages, type))) { - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - return ENOMEM; - } - - entry->handle = handle; - 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; - - agp_memory_info(dev->agp->agpdev, entry->handle, &info); - - request.handle = (unsigned long) entry->handle; - request.physical = info.ami_physical; - - *(drm_agp_buffer_t *) data = request; - - return 0; -} - -static drm_agp_mem_t * -drm_agp_lookup_entry(drm_device_t *dev, void *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(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - drm_agp_binding_t request; - drm_agp_mem_t *entry; - - if (!dev->agp->acquired) return EINVAL; - request = *(drm_agp_binding_t *) data; - if (!(entry = drm_agp_lookup_entry(dev, (void *) request.handle))) - return EINVAL; - if (!entry->bound) return EINVAL; - return drm_unbind_agp(entry->handle); -} - -int drm_agp_bind(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - drm_agp_binding_t request; - drm_agp_mem_t *entry; - int retcode; - int page; - - if (!dev->agp->acquired) return EINVAL; - request = *(drm_agp_binding_t *) data; - if (!(entry = drm_agp_lookup_entry(dev, (void *) request.handle))) - return EINVAL; - if (entry->bound) return EINVAL; - page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; - if ((retcode = drm_bind_agp(entry->handle, page))) return retcode; - entry->bound = dev->agp->base + (page << PAGE_SHIFT); - return 0; -} - -int drm_agp_free(dev_t kdev, u_long cmd, caddr_t data, - int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - drm_agp_buffer_t request; - drm_agp_mem_t *entry; - - if (!dev->agp->acquired) return EINVAL; - request = *(drm_agp_buffer_t *) data; - if (!(entry = drm_agp_lookup_entry(dev, (void*) request.handle))) - return EINVAL; - if (entry->bound) drm_unbind_agp(entry->handle); - - 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->handle, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - return 0; -} - -drm_agp_head_t *drm_agp_init(void) -{ - device_t agpdev; - drm_agp_head_t *head = NULL; - int agp_available = 1; - - agpdev = agp_find_device(); - if (!agpdev) - agp_available = 0; - - DRM_DEBUG("agp_available = %d\n", agp_available); - - if (agp_available) { - if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS))) - return NULL; - memset((void *)head, 0, sizeof(*head)); - head->agpdev = agpdev; - agp_get_info(agpdev, &head->info); - head->memory = NULL; -#if 0 /* bogus */ - 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; - case VIA_GENERIC: head->chipset = "VIA"; break; - case VIA_VP3: head->chipset = "VIA VP3"; break; - case VIA_MVP3: head->chipset = "VIA MVP3"; break; - 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: - } -#endif - DRM_INFO("AGP at 0x%08x %dMB\n", - head->info.ai_aperture_base, - head->info.ai_aperture_size >> 20); - } - return head; -} - -#endif /* DRM_AGP */ -- cgit v1.2.3