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_fb {
  29        size_t size;
  30        dma_addr_t dma_addr;
  31};
  32
  33struct mtk_vcodec_ctx;
  34struct mtk_vcodec_dev;
  35
  36extern int mtk_v4l2_dbg_level;
  37extern bool mtk_vcodec_dbg;
  38
  39
  40#define mtk_v4l2_err(fmt, args...)                \
  41        pr_err("[MTK_V4L2][ERROR] %s:%d: " fmt "\n", __func__, __LINE__, \
  42               ##args)
  43
  44#define mtk_vcodec_err(h, fmt, args...)                                 \
  45        pr_err("[MTK_VCODEC][ERROR][%d]: %s() " fmt "\n",               \
  46               ((struct mtk_vcodec_ctx *)h->ctx)->id, __func__, ##args)
  47
  48
  49#if defined(DEBUG)
  50
  51#define mtk_v4l2_debug(level, fmt, args...)                              \
  52        do {                                                             \
  53                if (mtk_v4l2_dbg_level >= level)                         \
  54                        pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\
  55                                level, __func__, __LINE__, ##args);      \
  56        } while (0)
  57
  58#define mtk_v4l2_debug_enter()  mtk_v4l2_debug(3, "+")
  59#define mtk_v4l2_debug_leave()  mtk_v4l2_debug(3, "-")
  60
  61#define mtk_vcodec_debug(h, fmt, args...)                               \
  62        do {                                                            \
  63                if (mtk_vcodec_dbg)                                     \
  64                        pr_info("[MTK_VCODEC][%d]: %s() " fmt "\n",     \
  65                                ((struct mtk_vcodec_ctx *)h->ctx)->id, \
  66                                __func__, ##args);                      \
  67        } while (0)
  68
  69#define mtk_vcodec_debug_enter(h)  mtk_vcodec_debug(h, "+")
  70#define mtk_vcodec_debug_leave(h)  mtk_vcodec_debug(h, "-")
  71
  72#else
  73
  74#define mtk_v4l2_debug(level, fmt, args...) {}
  75#define mtk_v4l2_debug_enter() {}
  76#define mtk_v4l2_debug_leave() {}
  77
  78#define mtk_vcodec_debug(h, fmt, args...) {}
  79#define mtk_vcodec_debug_enter(h) {}
  80#define mtk_vcodec_debug_leave(h) {}
  81
  82#endif
  83
  84void __iomem *mtk_vcodec_get_reg_addr(struct mtk_vcodec_ctx *data,
  85                                unsigned int reg_idx);
  86int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data,
  87                                struct mtk_vcodec_mem *mem);
  88void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
  89                                struct mtk_vcodec_mem *mem);
  90void mtk_vcodec_set_curr_ctx(struct mtk_vcodec_dev *dev,
  91        struct mtk_vcodec_ctx *ctx);
  92struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev);
  93
  94#endif /* _MTK_VCODEC_UTIL_H_ */
  95