LXR linux/drivers/media/platform/mtk-vcodec/mtk_vcodec

   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
  22struct mtk_vcodec_mem {
  23        size_t size;
  24        void *va;
  25        dma_addr_t dma_addr;
  26};
  27
  28struct mtk_vcodec_ctx;
  29struct mtk_vcodec_dev;
  30
  31extern int mtk_v4l2_dbg_level;
  32extern 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
  79void __iomem *mtk_vcodec_get_reg_addr(struct mtk_vcodec_ctx *data,
  80                                unsigned int reg_idx);
  81int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data,
  82                                struct mtk_vcodec_mem *mem);
  83void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
  84                                struct mtk_vcodec_mem *mem);
  85void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev,
  86        struct mtk_vcodec_ctx *ctx);
  87struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev);
  88
  89#endif /* _MTK_VCODEC_UTIL_H_ */
  90