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 "mtk_vcodec_drv.h"
11 
12 #include "vdec_drv_if.h"
13 
14 struct vdec_common_if {
15 	/**
16 	 * (*init)() - initialize decode driver
17 	 * @ctx     : [in] mtk v4l2 context
18 	 * @h_vdec  : [out] driver handle
19 	 */
20 	int (*init)(struct mtk_vcodec_ctx *ctx);
21 
22 	/**
23 	 * (*decode)() - trigger decode
24 	 * @h_vdec  : [in] driver handle
25 	 * @bs      : [in] input bitstream
26 	 * @fb      : [in] frame buffer to store decoded frame
27 	 * @res_chg : [out] resolution change happen
28 	 */
29 	int (*decode)(void *h_vdec, struct mtk_vcodec_mem *bs,
30 		      struct vdec_fb *fb, bool *res_chg);
31 
32 	/**
33 	 * (*get_param)() - get driver's parameter
34 	 * @h_vdec : [in] driver handle
35 	 * @type   : [in] input parameter type
36 	 * @out    : [out] buffer to store query result
37 	 */
38 	int (*get_param)(void *h_vdec, enum vdec_get_param_type type,
39 			 void *out);
40 
41 	/**
42 	 * (*deinit)() - deinitialize driver.
43 	 * @h_vdec : [in] driver handle to be deinit
44 	 */
45 	void (*deinit)(void *h_vdec);
46 };
47 
48 #endif
49