diff options
Diffstat (limited to 'bsd/drm_vm.h')
| -rw-r--r-- | bsd/drm_vm.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/bsd/drm_vm.h b/bsd/drm_vm.h deleted file mode 100644 index e0d710fa..00000000 --- a/bsd/drm_vm.h +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright 2003 Eric Anholt - * 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. - */ - -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 -static int DRM(dma_mmap)(struct cdev *kdev, vm_offset_t offset, - vm_paddr_t *paddr, int prot) -#elif defined(__FreeBSD__) -static int DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot) -#elif defined(__NetBSD__) -static paddr_t DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot) -#endif -{ - DRM_DEVICE; - drm_device_dma_t *dma = dev->dma; - unsigned long physical; - unsigned long page; - - if (dma == NULL || dma->pagelist == NULL) - return -1; - - page = offset >> PAGE_SHIFT; - physical = dma->pagelist[page]; - - DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", (long)offset, page, physical); -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 - *paddr = physical; - return 0; -#else - return atop(physical); -#endif -} - -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 -int DRM(mmap)(struct cdev *kdev, vm_offset_t offset, vm_paddr_t *paddr, - int prot) -#elif defined(__FreeBSD__) -int DRM(mmap)(dev_t kdev, vm_offset_t offset, int prot) -#elif defined(__NetBSD__) -paddr_t DRM(mmap)(dev_t kdev, off_t offset, int prot) -#endif -{ - DRM_DEVICE; - drm_local_map_t *map = NULL; - drm_map_list_entry_t *listentry = NULL; - drm_file_t *priv; - - DRM_GET_PRIV_WITH_RETURN(priv, (DRMFILE)(uintptr_t)DRM_CURRENTPID); - - if (!priv->authenticated) - return DRM_ERR(EACCES); - - if (dev->dma - && offset >= 0 - && offset < ptoa(dev->dma->page_count)) -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 - return DRM(dma_mmap)(kdev, offset, paddr, prot); -#else - return DRM(dma_mmap)(kdev, offset, prot); -#endif - - /* A sequential search of a linked list is - fine here because: 1) there will only be - about 5-10 entries in the list and, 2) a - DRI client only has to do this mapping - once, so it doesn't have to be optimized - for performance, even if the list was a - bit longer. */ - TAILQ_FOREACH(listentry, dev->maplist, link) { - map = listentry->map; -/* DRM_DEBUG("considering 0x%x..0x%x\n", map->offset, map->offset + map->size - 1);*/ - if (offset >= map->offset - && offset < map->offset + map->size) break; - } - - if (!listentry) { - DRM_DEBUG("can't find map\n"); - return -1; - } - if (((map->flags&_DRM_RESTRICTED) && DRM_SUSER(DRM_CURPROC))) { - DRM_DEBUG("restricted map\n"); - return -1; - } - - switch (map->type) { - case _DRM_FRAME_BUFFER: - case _DRM_REGISTERS: - case _DRM_AGP: -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 - *paddr = offset; - return 0; -#else - return atop(offset); -#endif - case _DRM_SCATTER_GATHER: - case _DRM_SHM: -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 - *paddr = vtophys(offset); - return 0; -#else - return atop(vtophys(offset)); -#endif - default: - return -1; /* This should never happen. */ - } - DRM_DEBUG("bailing out\n"); - - return -1; -} - |