1 /*
2 * Copyright (c) 2016 MediaTek Inc.
3 * Author: PC Chen <pc.chen@mediatek.com>
4 *	Tiffany Lin <tiffany.lin@mediatek.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 */
15 
16 #ifndef _MTK_VCODEC_UTIL_H_
17 #define _MTK_VCODEC_UTIL_H_
18 
19 #include <linux/types.h>
20 #include <linux/dma-direction.h>
21 
22 struct mtk_vcodec_mem {
23 	size_t size;
24 	void *va;
25 	dma_addr_t dma_addr;
26 };
27 
28 struct mtk_vcodec_ctx;
29 struct mtk_vcodec_dev;
30 
31 extern int mtk_v4l2_dbg_level;
32 extern bool mtk_vcodec_dbg;
33 
34 
35 #define mtk_v4l2_err(fmt, args...)                \
36 	pr_err("[MTK_V4L2][ERROR] %s:%d: " fmt "\n", __func__, __LINE__, \
37 	       ##args)
38 
39 #define mtk_vcodec_err(h, fmt, args...)					\
40 	pr_err("[MTK_VCODEC][ERROR][%d]: %s() " fmt "\n",		\
41 	       ((struct mtk_vcodec_ctx *)h->ctx)->id, __func__, ##args)
42 
43 
44 #if defined(DEBUG)
45 
46 #define mtk_v4l2_debug(level, fmt, args...)				 \
47 	do {								 \
48 		if (mtk_v4l2_dbg_level >= level)			 \
49 			pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\
50 				level, __func__, __LINE__, ##args);	 \
51 	} while (0)
52 
53 #define mtk_v4l2_debug_enter()  mtk_v4l2_debug(3, "+")
54 #define mtk_v4l2_debug_leave()  mtk_v4l2_debug(3, "-")
55 
56 #define mtk_vcodec_debug(h, fmt, args...)				\
57 	do {								\
58 		if (mtk_vcodec_dbg)					\
59 			pr_info("[MTK_VCODEC][%d]: %s() " fmt "\n",	\
60 				((struct mtk_vcodec_ctx *)h->ctx)->id, \
61 				__func__, ##args);			\
62 	} while (0)
63 
64 #define mtk_vcodec_debug_enter(h)  mtk_vcodec_debug(h, "+")
65 #define mtk_vcodec_debug_leave(h)  mtk_vcodec_debug(h, "-")
66 
67 #else
68 
69 #define mtk_v4l2_debug(level, fmt, args...) {}
70 #define mtk_v4l2_debug_enter() {}
71 #define mtk_v4l2_debug_leave() {}
72 
73 #define mtk_vcodec_debug(h, fmt, args...) {}
74 #define mtk_vcodec_debug_enter(h) {}
75 #define mtk_vcodec_debug_leave(h) {}
76 
77 #endif
78 
79 void __iomem *mtk_vcodec_get_reg_addr(struct mtk_vcodec_ctx *data,
80 				unsigned int reg_idx);
81 int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data,
82 				struct mtk_vcodec_mem *mem);
83 void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
84 				struct mtk_vcodec_mem *mem);
85 void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev,
86 	struct mtk_vcodec_ctx *ctx);
87 struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev);
88 
89 #endif /* _MTK_VCODEC_UTIL_H_ */
90