drivers/media/platform/mtk-jpeg/mtk_jpeg_hw.h

   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
  24 enum {
  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
  33 struct 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
  65 static inline u32 mtk_jpeg_align(u32 val, u32 align)
  66 {
  67         return (val + align - 1) & ~(align - 1);
  68 }
  69
  70 struct mtk_jpeg_bs {
  71         dma_addr_t      str_addr;
  72         dma_addr_t      end_addr;
  73         size_t          size;
  74 };
  75
  76 struct mtk_jpeg_fb {
  77         dma_addr_t      plane_addr[MTK_JPEG_COMP_MAX];
  78         size_t          size;
  79 };
  80
  81 int mtk_jpeg_dec_fill_param(struct mtk_jpeg_dec_param *param);
  82 u32 mtk_jpeg_dec_get_int_status(void __iomem *dec_reg_base);
  83 u32 mtk_jpeg_dec_enum_result(u32 irq_result);
  84 void 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);
  88 void mtk_jpeg_dec_reset(void __iomem *dec_reg_base);
  89 void mtk_jpeg_dec_start(void __iomem *dec_reg_base);
  90
  91 #endif /* _MTK_JPEG_HW_H */