diff options
Diffstat (limited to 'drivers/staging/gma500/psb_pvr_glue.c')
-rw-r--r-- | drivers/staging/gma500/psb_pvr_glue.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/staging/gma500/psb_pvr_glue.c b/drivers/staging/gma500/psb_pvr_glue.c new file mode 100644 index 000000000000..da78946b57ad --- /dev/null +++ b/drivers/staging/gma500/psb_pvr_glue.c @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2009, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include "psb_pvr_glue.h" + +/** + * FIXME: should NOT use these file under env/linux directly + */ + +int psb_get_meminfo_by_handle(void *hKernelMemInfo, + void **ppsKernelMemInfo) +{ + return -EINVAL; +#if 0 + void *psKernelMemInfo = IMG_NULL; + PVRSRV_PER_PROCESS_DATA *psPerProc = IMG_NULL; + PVRSRV_ERROR eError; + + psPerProc = PVRSRVPerProcessData(task_tgid_nr(current)); + eError = PVRSRVLookupHandle(psPerProc->psHandleBase, + (IMG_VOID *)&psKernelMemInfo, + hKernelMemInfo, + PVRSRV_HANDLE_TYPE_MEM_INFO); + if (eError != PVRSRV_OK) { + DRM_ERROR("Cannot find kernel meminfo for handle 0x%x\n", + (u32)hKernelMemInfo); + return -EINVAL; + } + + *ppsKernelMemInfo = psKernelMemInfo; + + DRM_DEBUG("Got Kernel MemInfo for handle %lx\n", + (u32)hKernelMemInfo); + return 0; +#endif +} + +int psb_get_pages_by_mem_handle(void *hOSMemHandle, struct page ***pages) +{ + return -EINVAL; +#if 0 + LinuxMemArea *psLinuxMemArea = (LinuxMemArea *)hOSMemHandle; + struct page **page_list; + if (psLinuxMemArea->eAreaType != LINUX_MEM_AREA_ALLOC_PAGES) { + DRM_ERROR("MemArea type is not LINUX_MEM_AREA_ALLOC_PAGES\n"); + return -EINVAL; + } + + page_list = psLinuxMemArea->uData.sPageList.pvPageList; + if (!page_list) { + DRM_DEBUG("Page List is NULL\n"); + return -ENOMEM; + } + + *pages = page_list; + return 0; +#endif +} |