drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2016 MediaTek Inc.
   4  * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
   5  *         Rick Chang <rick.chang@mediatek.com>
   6  *         Xia Jiang <xia.jiang@mediatek.com>
   7  */
   8
   9 #ifndef _MTK_JPEG_DEC_HW_H
  10 #define _MTK_JPEG_DEC_HW_H
  11
  12 #include <media/videobuf2-core.h>
  13
  14 #include "mtk_jpeg_dec_reg.h"
  15
  16 #define MTK_JPEG_COMP_MAX               3
  17
  18 enum {
  19         MTK_JPEG_DEC_RESULT_EOF_DONE            = 0,
  20         MTK_JPEG_DEC_RESULT_PAUSE               = 1,
  21         MTK_JPEG_DEC_RESULT_UNDERFLOW           = 2,
  22         MTK_JPEG_DEC_RESULT_OVERFLOW            = 3,
  23         MTK_JPEG_DEC_RESULT_ERROR_BS            = 4,
  24         MTK_JPEG_DEC_RESULT_ERROR_UNKNOWN       = 6
  25 };
  26
  27 struct mtk_jpeg_dec_param {
  28         u32 pic_w;
  29         u32 pic_h;
  30         u32 dec_w;
  31         u32 dec_h;
  32         u32 src_color;
  33         u32 dst_fourcc;
  34         u32 mcu_w;
  35         u32 mcu_h;
  36         u32 total_mcu;
  37         u32 unit_num;
  38         u32 comp_num;
  39         u32 comp_id[MTK_JPEG_COMP_MAX];
  40         u32 sampling_w[MTK_JPEG_COMP_MAX];
  41         u32 sampling_h[MTK_JPEG_COMP_MAX];
  42         u32 qtbl_num[MTK_JPEG_COMP_MAX];
  43         u32 blk_num;
  44         u32 blk_comp[MTK_JPEG_COMP_MAX];
  45         u32 membership;
  46         u32 dma_mcu;
  47         u32 dma_group;
  48         u32 dma_last_mcu;
  49         u32 img_stride[MTK_JPEG_COMP_MAX];
  50         u32 mem_stride[MTK_JPEG_COMP_MAX];
  51         u32 comp_w[MTK_JPEG_COMP_MAX];
  52         u32 comp_size[MTK_JPEG_COMP_MAX];
  53         u32 y_size;
  54         u32 uv_size;
  55         u32 dec_size;
  56         u8 uv_brz_w;
  57 };
  58
  59 struct mtk_jpeg_bs {
  60         dma_addr_t      str_addr;
  61         dma_addr_t      end_addr;
  62         size_t          size;
  63 };
  64
  65 struct mtk_jpeg_fb {
  66         dma_addr_t      plane_addr[MTK_JPEG_COMP_MAX];
  67         size_t          size;
  68 };
  69
  70 int mtk_jpeg_dec_fill_param(struct mtk_jpeg_dec_param *param);
  71 u32 mtk_jpeg_dec_get_int_status(void __iomem *dec_reg_base);
  72 u32 mtk_jpeg_dec_enum_result(u32 irq_result);
  73 void mtk_jpeg_dec_set_config(void __iomem *base,
  74                              struct mtk_jpeg_dec_param *cfg,
  75                              u32 bitstream_size,
  76                              struct mtk_jpeg_bs *bs,
  77                              struct mtk_jpeg_fb *fb);
  78 void mtk_jpeg_dec_reset(void __iomem *dec_reg_base);
  79 void mtk_jpeg_dec_start(void __iomem *dec_reg_base);
  80
  81 #endif /* _MTK_JPEG_HW_H */