summaryrefslogtreecommitdiff
path: root/bsd/drm/agpsupport.c
diff options
context:
space:
mode:
Diffstat (limited to 'bsd/drm/agpsupport.c')
-rw-r--r--bsd/drm/agpsupport.c270
1 files changed, 0 insertions, 270 deletions
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 <faith@valinux.com>
- *
- */
-
-#define __NO_VERSION__
-#include "drmP.h"
-
-#ifdef DRM_AGP
-
-#include <pci/agpvar.h>
-
-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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 16:46:05 +0000