diff options
Diffstat (limited to 'nx-X11/extras/drm/linux-core/drm_memory.c')
| -rw-r--r-- | nx-X11/extras/drm/linux-core/drm_memory.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/nx-X11/extras/drm/linux-core/drm_memory.c b/nx-X11/extras/drm/linux-core/drm_memory.c deleted file mode 100644 index 9125cd475..000000000 --- a/nx-X11/extras/drm/linux-core/drm_memory.c +++ /dev/null @@ -1,184 +0,0 @@ -/** - * \file drm_memory.c - * Memory management wrappers for DRM - * - * \author Rickard E. (Rik) Faith <faith@valinux.com> - * \author Gareth Hughes <gareth@valinux.com> - */ - -/* - * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.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 - * 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. - */ - -#include <linux/config.h> -#include <linux/highmem.h> -#include "drmP.h" - -#ifndef DEBUG_MEMORY - -/** No-op. */ -void drm_mem_init(void) -{ -} - -/** - * Called when "/proc/dri/%dev%/mem" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param len requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - * - * No-op. - */ -int drm_mem_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data) -{ - return 0; -} - -/** Wrapper around kmalloc() */ -void *drm_calloc(size_t nmemb, size_t size, int area) -{ - void *addr; - - addr = kmalloc(size * nmemb, GFP_KERNEL); - if (addr != NULL) - memset((void *)addr, 0, size * nmemb); - - return addr; -} -EXPORT_SYMBOL(drm_calloc); - -/** Wrapper around kmalloc() and kfree() */ -void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) -{ - void *pt; - - if (!(pt = kmalloc(size, GFP_KERNEL))) - return NULL; - if (oldpt && oldsize) { - memcpy(pt, oldpt, oldsize); - kfree(oldpt); - } - return pt; -} - -/** - * Allocate pages. - * - * \param order size order. - * \param area memory area. (Not used.) - * \return page address on success, or zero on failure. - * - * Allocate and reserve free pages. - */ -unsigned long drm_alloc_pages(int order, int area) -{ - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - address = __get_free_pages(GFP_KERNEL, order); - if (!address) - return 0; - - /* Zero */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); - } - - return address; -} - -/** - * Free pages. - * - * \param address address of the pages to free. - * \param order size order. - * \param area memory area. (Not used.) - * - * Unreserve and free pages allocated by alloc_pages(). - */ -void drm_free_pages(unsigned long address, int order, int area) -{ - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - if (!address) - return; - - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } - - free_pages(address, order); -} - -#if __OS_HAS_AGP -/** Wrapper around agp_allocate_memory() */ -#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11) -DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type) -{ - return drm_agp_allocate_memory(pages, type); -} -#else -DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type) -{ - return drm_agp_allocate_memory(dev->agp->bridge, pages, type); -} -#endif - -/** Wrapper around agp_free_memory() */ -int drm_free_agp(DRM_AGP_MEM * handle, int pages) -{ - return drm_agp_free_memory(handle) ? 0 : -EINVAL; -} - -/** Wrapper around agp_bind_memory() */ -int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) -{ - return drm_agp_bind_memory(handle, start); -} - -/** Wrapper around agp_unbind_memory() */ -int drm_unbind_agp(DRM_AGP_MEM * handle) -{ - return drm_agp_unbind_memory(handle); -} -#endif /* agp */ -#endif /* debug_memory */ |