LXR linux/drivers/media/platform/mtk-jpeg/mtk_jpeg

   1/*
   2 * Copyright (c) 2016 MediaTek Inc.
   3 * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
   4 *         Rick Chang <rick.chang@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_JPEG_HW_H
  17#define _MTK_JPEG_HW_H
  18
  19#include <media/videobuf2-core.h>
  20
  21#include "mtk_jpeg_core.h"
  22#include "mtk_jpeg_reg.h"
  23
  24enum {
  25        MTK_JPEG_DEC_RESULT_EOF_DONE            = 0,
  26        MTK_JPEG_DEC_RESULT_PAUSE               = 1,
  27        MTK_JPEG_DEC_RESULT_UNDERFLOW           = 2,
  28        MTK_JPEG_DEC_RESULT_OVERFLOW            = 3,
  29        MTK_JPEG_DEC_RESULT_ERROR_BS            = 4,
  30        MTK_JPEG_DEC_RESULT_ERROR_UNKNOWN       = 6
  31};
  32
  33struct mtk_jpeg_dec_param {
  34        u32 pic_w;
  35        u32 pic_h;
  36        u32 dec_w;
  37        u32 dec_h;
  38        u32 src_color;
  39        u32 dst_fourcc;
  40        u32 mcu_w;
  41        u32 mcu_h;
  42        u32 total_mcu;
  43        u32 unit_num;
  44        u32 comp_num;
  45        u32 comp_id[MTK_JPEG_COMP_MAX];
  46        u32 sampling_w[MTK_JPEG_COMP_MAX];
  47        u32 sampling_h[MTK_JPEG_COMP_MAX];
  48        u32 qtbl_num[MTK_JPEG_COMP_MAX];
  49        u32 blk_num;
  50        u32 blk_comp[MTK_JPEG_COMP_MAX];
  51        u32 membership;
  52        u32 dma_mcu;
  53        u32 dma_group;
  54        u32 dma_last_mcu;
  55        u32 img_stride[MTK_JPEG_COMP_MAX];
  56        u32 mem_stride[MTK_JPEG_COMP_MAX];
  57        u32 comp_w[MTK_JPEG_COMP_MAX];
  58        u32 comp_size[MTK_JPEG_COMP_MAX];
  59        u32 y_size;
  60        u32 uv_size;
  61        u32 dec_size;
  62        u8 uv_brz_w;
  63};
  64
  65static inline u32 mtk_jpeg_align(u32 val, u32 align)
  66{
  67        return (val + align - 1) & ~(align - 1);
  68}
  69
  70struct mtk_jpeg_bs {
  71        dma_addr_t      str_addr;
  72        dma_addr_t      end_addr;
  73        size_t          size;
  74};
  75
  76struct mtk_jpeg_fb {
  77        dma_addr_t      plane_addr[MTK_JPEG_COMP_MAX];
  78        size_t          size;
  79};
  80
  81int mtk_jpeg_dec_fill_param(struct mtk_jpeg_dec_param *param);
  82u32 mtk_jpeg_dec_get_int_status(void __iomem *dec_reg_base);
  83u32 mtk_jpeg_dec_enum_result(u32 irq_result);
  84void mtk_jpeg_dec_set_config(void __iomem *base,
  85                             struct mtk_jpeg_dec_param *config,
  86                             struct mtk_jpeg_bs *bs,
  87                             struct mtk_jpeg_fb *fb);
  88void mtk_jpeg_dec_reset(void __iomem *dec_reg_base);
  89void mtk_jpeg_dec_start(void __iomem *dec_reg_base);
  90
  91#endif /* _MTK_JPEG_HW_H */
  92