| /* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ |
| /* vi: set ts=8 sw=8 sts=8: */ |
| /*************************************************************************/ /*! |
| @File pvr_sync.h |
| @Title Kernel driver for Android's sync mechanism |
| @Codingstyle LinuxKernel |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @License Dual MIT/GPLv2 |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| 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 shall be included in |
| all copies or substantial portions of the Software. |
| |
| Alternatively, the contents of this file may be used under the terms of |
| the GNU General Public License Version 2 ("GPL") in which case the provisions |
| of GPL are applicable instead of those above. |
| |
| If you wish to allow use of your version of this file only under the terms of |
| GPL, and not to allow others to use your version of this file under the terms |
| of the MIT license, indicate your decision by deleting the provisions above |
| and replace them with the notice and other provisions required by GPL as set |
| out in the file called "GPL-COPYING" included in this distribution. If you do |
| not delete the provisions above, a recipient may use your version of this file |
| under the terms of either the MIT license or GPL. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) 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; AND (B) IN NO EVENT SHALL THE AUTHORS OR |
| COPYRIGHT HOLDERS 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. |
| */ /**************************************************************************/ |
| |
| #ifndef _PVR_SYNC_H |
| #define _PVR_SYNC_H |
| |
| #include <linux/device.h> |
| |
| #include "pvr_fd_sync_kernel.h" |
| #include "services_kernel_client.h" |
| |
| |
| /* Services internal interface */ |
| |
| /** |
| * pvr_sync_init() - create an internal sync context |
| * @dev: Linux device |
| * |
| * Return: PVRSRV_OK on success. |
| */ |
| enum PVRSRV_ERROR pvr_sync_init(struct device *dev); |
| |
| |
| /** |
| * pvr_sync_deinit() - destroy an internal sync context |
| * |
| * Drains any work items with outstanding sync fence updates/dependencies. |
| */ |
| void pvr_sync_deinit(void); |
| |
| enum PVRSRV_ERROR pvr_sync_fence_wait(void *fence, u32 timeout_in_ms); |
| |
| enum PVRSRV_ERROR pvr_sync_fence_release(void *fence); |
| |
| enum PVRSRV_ERROR pvr_sync_fence_get(int fence_fd, void **fence_out); |
| |
| enum PVRSRV_ERROR pvr_sync_sw_timeline_fence_create(int timeline_fd, |
| const char *fence_name, |
| int *fence_fd_out, |
| u64 *sync_pt_idx); |
| |
| enum PVRSRV_ERROR pvr_sync_sw_timeline_advance(void *timeline, |
| u64 *sync_pt_idx); |
| |
| enum PVRSRV_ERROR pvr_sync_sw_timeline_release(void *timeline); |
| |
| enum PVRSRV_ERROR pvr_sync_sw_timeline_get(int timeline_fd, |
| void **timeline_out); |
| |
| enum PVRSRV_ERROR |
| sync_dump_fence(void *sw_fence_obj, |
| DUMPDEBUG_PRINTF_FUNC *dump_debug_printf, |
| void *dump_debug_file); |
| |
| enum PVRSRV_ERROR |
| sync_sw_dump_timeline(void *sw_timeline_obj, |
| DUMPDEBUG_PRINTF_FUNC *dump_debug_printf, |
| void *dump_debug_file); |
| |
| #endif /* _PVR_SYNC_H */ |