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121 lines
4.1 KiB
C
121 lines
4.1 KiB
C
/*
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* @File pvr_sync.h
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* @Title Kernel driver for Android's sync mechanism
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* @Codingstyle LinuxKernel
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* @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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* @License Dual MIT/GPLv2
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*
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* The contents of this file are subject to the MIT license as set out below.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 ("GPL") in which case the provisions
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* of GPL are applicable instead of those above.
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*
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* If you wish to allow use of your version of this file only under the terms of
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* GPL, and not to allow others to use your version of this file under the terms
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* of the MIT license, indicate your decision by deleting the provisions above
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* and replace them with the notice and other provisions required by GPL as set
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* out in the file called "GPL-COPYING" included in this distribution. If you do
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* not delete the provisions above, a recipient may use your version of this file
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* under the terms of either the MIT license or GPL.
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*
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* This License is also included in this distribution in the file called
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* "MIT-COPYING".
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*
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* EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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* PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _PVR_SYNC_H
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#define _PVR_SYNC_H
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#include <linux/device.h>
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#include "pvr_fd_sync_kernel.h"
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#include "services_kernel_client.h"
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/* Services internal interface */
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/**
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* pvr_sync_register_functions()
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*
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* Return: PVRSRV_OK on success.
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*/
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enum PVRSRV_ERROR_TAG pvr_sync_register_functions(void);
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/**
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* pvr_sync_init - register the pvr_sync misc device
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*
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* Return: error code, 0 on success.
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*/
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int pvr_sync_init(void);
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/**
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* pvr_sync_deinit - unregister the pvr_sync misc device
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*/
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void pvr_sync_deinit(void);
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/**
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* pvr_sync_device_init() - create an internal sync context
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* @dev: Linux device
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*
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* Return: PVRSRV_OK on success.
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*/
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enum PVRSRV_ERROR_TAG pvr_sync_device_init(struct device *dev);
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/**
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* pvr_sync_device_deinit() - destroy an internal sync context
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*
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* Drains any work items with outstanding sync fence updates/dependencies.
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*/
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void pvr_sync_device_deinit(struct device *dev);
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enum PVRSRV_ERROR_TAG pvr_sync_fence_wait(void *fence, u32 timeout_in_ms);
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enum PVRSRV_ERROR_TAG pvr_sync_fence_release(void *fence);
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enum PVRSRV_ERROR_TAG pvr_sync_fence_get(int fence_fd, void **fence_out);
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enum PVRSRV_ERROR_TAG
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pvr_sync_sw_timeline_fence_create(struct _PVRSRV_DEVICE_NODE_ *pvrsrv_dev_node,
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int timeline_fd,
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const char *fence_name,
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int *fence_fd_out,
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u64 *sync_pt_idx);
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enum PVRSRV_ERROR_TAG pvr_sync_sw_timeline_advance(void *timeline,
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u64 *sync_pt_idx);
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enum PVRSRV_ERROR_TAG pvr_sync_sw_timeline_release(void *timeline);
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enum PVRSRV_ERROR_TAG pvr_sync_sw_timeline_get(int timeline_fd,
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void **timeline_out);
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enum PVRSRV_ERROR_TAG
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sync_dump_fence(void *sw_fence_obj,
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DUMPDEBUG_PRINTF_FUNC *dump_debug_printf,
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void *dump_debug_file);
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enum PVRSRV_ERROR_TAG
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sync_sw_dump_timeline(void *sw_timeline_obj,
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DUMPDEBUG_PRINTF_FUNC *dump_debug_printf,
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void *dump_debug_file);
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#endif /* _PVR_SYNC_H */
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