1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2016 MediaTek Inc.
4  * Author: PC Chen <pc.chen@mediatek.com>
5  */
6 
7 #ifndef _VDEC_DRV_BASE_
8 #define _VDEC_DRV_BASE_
9 
10 #include "vdec_drv_if.h"
11 
12 struct vdec_common_if {
13 	/**
14 	 * (*init)() - initialize decode driver
15 	 * @ctx     : [in] mtk v4l2 context
16 	 * @h_vdec  : [out] driver handle
17 	 */
18 	int (*init)(struct mtk_vcodec_dec_ctx *ctx);
19 
20 	/**
21 	 * (*decode)() - trigger decode
22 	 * @h_vdec  : [in] driver handle
23 	 * @bs      : [in] input bitstream
24 	 * @fb      : [in] frame buffer to store decoded frame
25 	 * @res_chg : [out] resolution change happen
26 	 */
27 	int (*decode)(void *h_vdec, struct mtk_vcodec_mem *bs,
28 		      struct vdec_fb *fb, bool *res_chg);
29 
30 	/**
31 	 * (*get_param)() - get driver's parameter
32 	 * @h_vdec : [in] driver handle
33 	 * @type   : [in] input parameter type
34 	 * @out    : [out] buffer to store query result
35 	 */
36 	int (*get_param)(void *h_vdec, enum vdec_get_param_type type,
37 			 void *out);
38 
39 	/**
40 	 * (*deinit)() - deinitialize driver.
41 	 * @h_vdec : [in] driver handle to be deinit
42 	 */
43 	void (*deinit)(void *h_vdec);
44 };
45 
46 #endif
47