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Diffstat (limited to 'bsd-core/drm_agpsupport.c')
-rw-r--r--bsd-core/drm_agpsupport.c466
1 files changed, 0 insertions, 466 deletions
diff --git a/bsd-core/drm_agpsupport.c b/bsd-core/drm_agpsupport.c
deleted file mode 100644
index 34b23af1..00000000
--- a/bsd-core/drm_agpsupport.c
+++ /dev/null
@@ -1,466 +0,0 @@
-/*-
- * 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>
- *
- */
-
-/** @file drm_agpsupport.c
- * Support code for tying the kernel AGP support to DRM drivers and
- * the DRM's AGP ioctls.
- */
-
-#include "drmP.h"
-
-#if __FreeBSD_version >= 800004
-#include <dev/agp/agpreg.h>
-#else /* __FreeBSD_version >= 800004 */
-#include <pci/agpreg.h>
-#endif /* __FreeBSD_version >= 800004 */
-#include <dev/pci/pcireg.h>
-
-/* Returns 1 if AGP or 0 if not. */
-static int
-drm_device_find_capability(struct drm_device *dev, int cap)
-{
-#if __FreeBSD_version >= 602102
-
- return (pci_find_extcap(dev->device, cap, NULL) == 0);
-#else
- /* Code taken from agp.c. IWBNI that was a public interface. */
- u_int32_t status;
- u_int8_t ptr, next;
-
- /*
- * Check the CAP_LIST bit of the PCI status register first.
- */
- status = pci_read_config(dev->device, PCIR_STATUS, 2);
- if (!(status & 0x10))
- return 0;
-
- /*
- * Traverse the capabilities list.
- */
- for (ptr = pci_read_config(dev->device, AGP_CAPPTR, 1);
- ptr != 0;
- ptr = next) {
- u_int32_t capid = pci_read_config(dev->device, ptr, 4);
- next = AGP_CAPID_GET_NEXT_PTR(capid);
-
- /*
- * If this capability entry ID is cap, then we are done.
- */
- if (AGP_CAPID_GET_CAP_ID(capid) == cap)
- return 1;
- }
-
- return 0;
-#endif
-}
-
-int drm_device_is_agp(struct drm_device *dev)
-{
- if (dev->driver->device_is_agp != NULL) {
- int ret;
-
- /* device_is_agp returns a tristate, 0 = not AGP, 1 = definitely
- * AGP, 2 = fall back to PCI capability
- */
- ret = (*dev->driver->device_is_agp)(dev);
- if (ret != DRM_MIGHT_BE_AGP)
- return ret;
- }
-
- return (drm_device_find_capability(dev, PCIY_AGP));
-}
-
-int drm_device_is_pcie(struct drm_device *dev)
-{
- return (drm_device_find_capability(dev, PCIY_EXPRESS));
-}
-
-int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info)
-{
- struct agp_info *kern;
-
- if (!dev->agp || !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;
-
- return 0;
-}
-
-int drm_agp_info_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- int err;
- struct drm_agp_info info;
-
- err = drm_agp_info(dev, &info);
- if (err != 0)
- return err;
-
- *(struct drm_agp_info *) data = info;
- return 0;
-}
-
-int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
-
- return drm_agp_acquire(dev);
-}
-
-int drm_agp_acquire(struct drm_device *dev)
-{
- int retcode;
-
- if (!dev->agp || 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_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
-
- return drm_agp_release(dev);
-}
-
-int drm_agp_release(struct drm_device * dev)
-{
- if (!dev->agp || !dev->agp->acquired)
- return EINVAL;
- agp_release(dev->agp->agpdev);
- dev->agp->acquired = 0;
- return 0;
-}
-
-int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode)
-{
-
- if (!dev->agp || !dev->agp->acquired)
- return EINVAL;
-
- dev->agp->mode = mode.mode;
- agp_enable(dev->agp->agpdev, mode.mode);
- dev->agp->enabled = 1;
- return 0;
-}
-
-int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_agp_mode mode;
-
- mode = *(struct drm_agp_mode *) data;
-
- return drm_agp_enable(dev, mode);
-}
-
-int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
-{
- drm_agp_mem_t *entry;
- void *handle;
- unsigned long pages;
- u_int32_t type;
- struct agp_memory_info info;
-
- if (!dev->agp || !dev->agp->acquired)
- return EINVAL;
-
- entry = malloc(sizeof(*entry), DRM_MEM_AGPLISTS, M_NOWAIT | M_ZERO);
- if (entry == NULL)
- return ENOMEM;
-
- pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
- type = (u_int32_t) request->type;
-
- DRM_UNLOCK();
- handle = drm_agp_allocate_memory(pages, type);
- DRM_LOCK();
- if (handle == NULL) {
- free(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;
-
- return 0;
-}
-
-int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_agp_buffer request;
- int retcode;
-
- request = *(struct drm_agp_buffer *) data;
-
- DRM_LOCK();
- retcode = drm_agp_alloc(dev, &request);
- DRM_UNLOCK();
-
- *(struct drm_agp_buffer *) data = request;
-
- return retcode;
-}
-
-static drm_agp_mem_t * drm_agp_lookup_entry(struct drm_device *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(struct drm_device *dev, struct drm_agp_binding *request)
-{
- drm_agp_mem_t *entry;
- int retcode;
-
- if (!dev->agp || !dev->agp->acquired)
- return EINVAL;
-
- entry = drm_agp_lookup_entry(dev, (void *)request->handle);
- if (entry == NULL || !entry->bound)
- return EINVAL;
-
- DRM_UNLOCK();
- retcode = drm_agp_unbind_memory(entry->handle);
- DRM_LOCK();
-
- if (retcode == 0)
- entry->bound = 0;
-
- return retcode;
-}
-
-int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_agp_binding request;
- int retcode;
-
- request = *(struct drm_agp_binding *) data;
-
- DRM_LOCK();
- retcode = drm_agp_unbind(dev, &request);
- DRM_UNLOCK();
-
- return retcode;
-}
-
-int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request)
-{
- drm_agp_mem_t *entry;
- int retcode;
- int page;
-
- if (!dev->agp || !dev->agp->acquired)
- return EINVAL;
-
- DRM_DEBUG("agp_bind, page_size=%x\n", PAGE_SIZE);
-
- entry = drm_agp_lookup_entry(dev, (void *)request->handle);
- if (entry == NULL || entry->bound)
- return EINVAL;
-
- page = (request->offset + PAGE_SIZE - 1) / PAGE_SIZE;
-
- DRM_UNLOCK();
- retcode = drm_agp_bind_memory(entry->handle, page);
- DRM_LOCK();
- if (retcode == 0)
- entry->bound = dev->agp->base + (page << PAGE_SHIFT);
-
- return retcode;
-}
-
-int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_agp_binding request;
- int retcode;
-
- request = *(struct drm_agp_binding *) data;
-
- DRM_LOCK();
- retcode = drm_agp_bind(dev, &request);
- DRM_UNLOCK();
-
- return retcode;
-}
-
-int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request)
-{
- drm_agp_mem_t *entry;
-
- if (!dev->agp || !dev->agp->acquired)
- return EINVAL;
-
- entry = drm_agp_lookup_entry(dev, (void*)request->handle);
- if (entry == NULL)
- return EINVAL;
-
- if (entry->prev)
- entry->prev->next = entry->next;
- else
- dev->agp->memory = entry->next;
- if (entry->next)
- entry->next->prev = entry->prev;
-
- DRM_UNLOCK();
- if (entry->bound)
- drm_agp_unbind_memory(entry->handle);
- drm_agp_free_memory(entry->handle);
- DRM_LOCK();
-
- free(entry, DRM_MEM_AGPLISTS);
-
- return 0;
-
-}
-
-int drm_agp_free_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_agp_buffer request;
- int retcode;
-
- request = *(struct drm_agp_buffer *) data;
-
- DRM_LOCK();
- retcode = drm_agp_free(dev, &request);
- DRM_UNLOCK();
-
- return retcode;
-}
-
-drm_agp_head_t *drm_agp_init(void)
-{
- device_t agpdev;
- drm_agp_head_t *head = NULL;
- int agp_available = 1;
-
- agpdev = DRM_AGP_FIND_DEVICE();
- if (!agpdev)
- agp_available = 0;
-
- DRM_DEBUG("agp_available = %d\n", agp_available);
-
- if (agp_available) {
- head = malloc(sizeof(*head), DRM_MEM_AGPLISTS,
- M_NOWAIT | M_ZERO);
- if (head == NULL)
- return NULL;
- head->agpdev = agpdev;
- agp_get_info(agpdev, &head->info);
- head->base = head->info.ai_aperture_base;
- head->memory = NULL;
- DRM_INFO("AGP at 0x%08lx %dMB\n",
- (long)head->info.ai_aperture_base,
- (int)(head->info.ai_aperture_size >> 20));
- }
- return head;
-}
-
-void *drm_agp_allocate_memory(size_t pages, u32 type)
-{
- device_t agpdev;
-
- agpdev = DRM_AGP_FIND_DEVICE();
- if (!agpdev)
- return NULL;
-
- return agp_alloc_memory(agpdev, type, pages << AGP_PAGE_SHIFT);
-}
-
-int drm_agp_free_memory(void *handle)
-{
- device_t agpdev;
-
- agpdev = DRM_AGP_FIND_DEVICE();
- if (!agpdev || !handle)
- return 0;
-
- agp_free_memory(agpdev, handle);
- return 1;
-}
-
-int drm_agp_bind_memory(void *handle, off_t start)
-{
- device_t agpdev;
-
- agpdev = DRM_AGP_FIND_DEVICE();
- if (!agpdev || !handle)
- return EINVAL;
-
- return agp_bind_memory(agpdev, handle, start * PAGE_SIZE);
-}
-
-int drm_agp_unbind_memory(void *handle)
-{
- device_t agpdev;
-
- agpdev = DRM_AGP_FIND_DEVICE();
- if (!agpdev || !handle)
- return EINVAL;
-
- return agp_unbind_memory(agpdev, handle);
-}
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