drivers/media/platform/mtk-jpeg/mtk_jpeg_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  */
   7
   8 #ifndef _MTK_JPEG_HW_H
   9 #define _MTK_JPEG_HW_H
  10
  11 #include <media/videobuf2-core.h>
  12
  13 #include "mtk_jpeg_core.h"
  14 #include "mtk_jpeg_reg.h"
  15
  16 enum {
  17         MTK_JPEG_DEC_RESULT_EOF_DONE            = 0,
  18         MTK_JPEG_DEC_RESULT_PAUSE               = 1,
  19         MTK_JPEG_DEC_RESULT_UNDERFLOW           = 2,
  20         MTK_JPEG_DEC_RESULT_OVERFLOW            = 3,
  21         MTK_JPEG_DEC_RESULT_ERROR_BS            = 4,
  22         MTK_JPEG_DEC_RESULT_ERROR_UNKNOWN       = 6
  23 };
  24
  25 struct mtk_jpeg_dec_param {
  26         u32 pic_w;
  27         u32 pic_h;
  28         u32 dec_w;
  29         u32 dec_h;
  30         u32 src_color;
  31         u32 dst_fourcc;
  32         u32 mcu_w;
  33         u32 mcu_h;
  34         u32 total_mcu;
  35         u32 unit_num;
  36         u32 comp_num;
  37         u32 comp_id[MTK_JPEG_COMP_MAX];
  38         u32 sampling_w[MTK_JPEG_COMP_MAX];
  39         u32 sampling_h[MTK_JPEG_COMP_MAX];
  40         u32 qtbl_num[MTK_JPEG_COMP_MAX];
  41         u32 blk_num;
  42         u32 blk_comp[MTK_JPEG_COMP_MAX];
  43         u32 membership;
  44         u32 dma_mcu;
  45         u32 dma_group;
  46         u32 dma_last_mcu;
  47         u32 img_stride[MTK_JPEG_COMP_MAX];
  48         u32 mem_stride[MTK_JPEG_COMP_MAX];
  49         u32 comp_w[MTK_JPEG_COMP_MAX];
  50         u32 comp_size[MTK_JPEG_COMP_MAX];
  51         u32 y_size;
  52         u32 uv_size;
  53         u32 dec_size;
  54         u8 uv_brz_w;
  55 };
  56
  57 static inline u32 mtk_jpeg_align(u32 val, u32 align)
  58 {
  59         return (val + align - 1) & ~(align - 1);
  60 }
  61
  62 struct mtk_jpeg_bs {
  63         dma_addr_t      str_addr;
  64         dma_addr_t      end_addr;
  65         size_t          size;
  66 };
  67
  68 struct mtk_jpeg_fb {
  69         dma_addr_t      plane_addr[MTK_JPEG_COMP_MAX];
  70         size_t          size;
  71 };
  72
  73 int mtk_jpeg_dec_fill_param(struct mtk_jpeg_dec_param *param);
  74 u32 mtk_jpeg_dec_get_int_status(void __iomem *dec_reg_base);
  75 u32 mtk_jpeg_dec_enum_result(u32 irq_result);
  76 void mtk_jpeg_dec_set_config(void __iomem *base,
  77                              struct mtk_jpeg_dec_param *config,
  78                              struct mtk_jpeg_bs *bs,
  79                              struct mtk_jpeg_fb *fb);
  80 void mtk_jpeg_dec_reset(void __iomem *dec_reg_base);
  81 void mtk_jpeg_dec_start(void __iomem *dec_reg_base);
  82
  83 #endif /* _MTK_JPEG_HW_H */