root/drivers/media/platform/sunxi/sun8i-di/sun8i-di.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Allwinner Deinterlace driver
 *
 * Copyright (C) 2019 Jernej Skrabec <jernej.skrabec@siol.net>
 */

#ifndef _SUN8I_DEINTERLACE_H_
#define _SUN8I_DEINTERLACE_H_

#include <media/v4l2-device.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-dma-contig.h>

#include <linux/platform_device.h>

#define DEINTERLACE_NAME                "sun8i-di"

#define DEINTERLACE_MOD_ENABLE                  0x00
#define DEINTERLACE_MOD_ENABLE_EN                       BIT(0)

#define DEINTERLACE_FRM_CTRL                    0x04
#define DEINTERLACE_FRM_CTRL_REG_READY                  BIT(0)
#define DEINTERLACE_FRM_CTRL_WB_EN                      BIT(2)
#define DEINTERLACE_FRM_CTRL_OUT_CTRL                   BIT(11)
#define DEINTERLACE_FRM_CTRL_START                      BIT(16)
#define DEINTERLACE_FRM_CTRL_COEF_ACCESS                BIT(23)

#define DEINTERLACE_BYPASS                      0x08
#define DEINTERLACE_BYPASS_CSC                          BIT(1)

#define DEINTERLACE_AGTH_SEL                    0x0c
#define DEINTERLACE_AGTH_SEL_LINEBUF                    BIT(8)

#define DEINTERLACE_LINT_CTRL                   0x10
#define DEINTERLACE_TRD_PRELUMA                 0x1c
#define DEINTERLACE_BUF_ADDR0                   0x20
#define DEINTERLACE_BUF_ADDR1                   0x24
#define DEINTERLACE_BUF_ADDR2                   0x28

#define DEINTERLACE_FIELD_CTRL                  0x2c
#define DEINTERLACE_FIELD_CTRL_FIELD_CNT(v)             ((v) & 0xff)
#define DEINTERLACE_FIELD_CTRL_FIELD_CNT_MSK            (0xff)

#define DEINTERLACE_TB_OFFSET0                  0x30
#define DEINTERLACE_TB_OFFSET1                  0x34
#define DEINTERLACE_TB_OFFSET2                  0x38
#define DEINTERLACE_TRD_PRECHROMA               0x3c
#define DEINTERLACE_LINE_STRIDE0                0x40
#define DEINTERLACE_LINE_STRIDE1                0x44
#define DEINTERLACE_LINE_STRIDE2                0x48

#define DEINTERLACE_IN_FMT                      0x4c
#define DEINTERLACE_IN_FMT_PS(v)                        ((v) & 3)
#define DEINTERLACE_IN_FMT_FMT(v)                       (((v) & 7) << 4)
#define DEINTERLACE_IN_FMT_MOD(v)                       (((v) & 7) << 8)

#define DEINTERLACE_WB_ADDR0                    0x50
#define DEINTERLACE_WB_ADDR1                    0x54
#define DEINTERLACE_WB_ADDR2                    0x58

#define DEINTERLACE_OUT_FMT                     0x5c
#define DEINTERLACE_OUT_FMT_FMT(v)                      ((v) & 0xf)
#define DEINTERLACE_OUT_FMT_PS(v)                       (((v) & 3) << 5)

#define DEINTERLACE_INT_ENABLE                  0x60
#define DEINTERLACE_INT_ENABLE_WB_EN                    BIT(7)

#define DEINTERLACE_INT_STATUS                  0x64
#define DEINTERLACE_INT_STATUS_WRITEBACK                BIT(7)

#define DEINTERLACE_STATUS                      0x68
#define DEINTERLACE_STATUS_COEF_STATUS                  BIT(11)
#define DEINTERLACE_STATUS_WB_ERROR                     BIT(12)

#define DEINTERLACE_CSC_COEF                    0x70 /* 12 registers */

#define DEINTERLACE_CTRL                        0xa0
#define DEINTERLACE_CTRL_EN                             BIT(0)
#define DEINTERLACE_CTRL_FLAG_OUT_EN                    BIT(8)
#define DEINTERLACE_CTRL_MODE_PASSTROUGH                (0 << 16)
#define DEINTERLACE_CTRL_MODE_WEAVE                     (1 << 16)
#define DEINTERLACE_CTRL_MODE_BOB                       (2 << 16)
#define DEINTERLACE_CTRL_MODE_MIXED                     (3 << 16)
#define DEINTERLACE_CTRL_DIAG_INTP_EN                   BIT(24)
#define DEINTERLACE_CTRL_TEMP_DIFF_EN                   BIT(25)

#define DEINTERLACE_DIAG_INTP                   0xa4
#define DEINTERLACE_DIAG_INTP_TH0(v)                    ((v) & 0x7f)
#define DEINTERLACE_DIAG_INTP_TH0_MSK                   (0x7f)
#define DEINTERLACE_DIAG_INTP_TH1(v)                    (((v) & 0x7f) << 8)
#define DEINTERLACE_DIAG_INTP_TH1_MSK                   (0x7f << 8)
#define DEINTERLACE_DIAG_INTP_TH3(v)                    (((v) & 0xff) << 24)
#define DEINTERLACE_DIAG_INTP_TH3_MSK                   (0xff << 24)

#define DEINTERLACE_TEMP_DIFF                   0xa8
#define DEINTERLACE_TEMP_DIFF_SAD_CENTRAL_TH(v)         ((v) & 0x7f)
#define DEINTERLACE_TEMP_DIFF_SAD_CENTRAL_TH_MSK        (0x7f)
#define DEINTERLACE_TEMP_DIFF_AMBIGUITY_TH(v)           (((v) & 0x7f) << 8)
#define DEINTERLACE_TEMP_DIFF_AMBIGUITY_TH_MSK          (0x7f << 8)
#define DEINTERLACE_TEMP_DIFF_DIRECT_DITHER_TH(v)       (((v) & 0x7ff) << 16)
#define DEINTERLACE_TEMP_DIFF_DIRECT_DITHER_TH_MSK      (0x7ff << 16)

#define DEINTERLACE_LUMA_TH                     0xac
#define DEINTERLACE_LUMA_TH_MIN_LUMA(v)                 ((v) & 0xff)
#define DEINTERLACE_LUMA_TH_MIN_LUMA_MSK                (0xff)
#define DEINTERLACE_LUMA_TH_MAX_LUMA(v)                 (((v) & 0xff) << 8)
#define DEINTERLACE_LUMA_TH_MAX_LUMA_MSK                (0xff << 8)
#define DEINTERLACE_LUMA_TH_AVG_LUMA_SHIFT(v)           (((v) & 0xff) << 16)
#define DEINTERLACE_LUMA_TH_AVG_LUMA_SHIFT_MSK          (0xff << 16)
#define DEINTERLACE_LUMA_TH_PIXEL_STATIC(v)             (((v) & 3) << 24)
#define DEINTERLACE_LUMA_TH_PIXEL_STATIC_MSK            (3 << 24)

#define DEINTERLACE_SPAT_COMP                   0xb0
#define DEINTERLACE_SPAT_COMP_TH2(v)                    ((v) & 0xff)
#define DEINTERLACE_SPAT_COMP_TH2_MSK                   (0xff)
#define DEINTERLACE_SPAT_COMP_TH3(v)                    (((v) & 0xff) << 16)
#define DEINTERLACE_SPAT_COMP_TH3_MSK                   (0xff << 16)

#define DEINTERLACE_CHROMA_DIFF                 0xb4
#define DEINTERLACE_CHROMA_DIFF_TH(v)                   ((v) & 0xff)
#define DEINTERLACE_CHROMA_DIFF_TH_MSK                  (0xff)
#define DEINTERLACE_CHROMA_DIFF_LUMA(v)                 (((v) & 0x3f) << 16)
#define DEINTERLACE_CHROMA_DIFF_LUMA_MSK                (0x3f << 16)
#define DEINTERLACE_CHROMA_DIFF_CHROMA(v)               (((v) & 0x3f) << 24)
#define DEINTERLACE_CHROMA_DIFF_CHROMA_MSK              (0x3f << 24)

#define DEINTERLACE_PRELUMA                     0xb8
#define DEINTERLACE_PRECHROMA                   0xbc
#define DEINTERLACE_TILE_FLAG0                  0xc0
#define DEINTERLACE_TILE_FLAG1                  0xc4
#define DEINTERLACE_FLAG_LINE_STRIDE            0xc8
#define DEINTERLACE_FLAG_SEQ                    0xcc

#define DEINTERLACE_WB_LINE_STRIDE_CTRL         0xd0
#define DEINTERLACE_WB_LINE_STRIDE_CTRL_EN              BIT(0)

#define DEINTERLACE_WB_LINE_STRIDE0             0xd4
#define DEINTERLACE_WB_LINE_STRIDE1             0xd8
#define DEINTERLACE_WB_LINE_STRIDE2             0xdc
#define DEINTERLACE_TRD_CTRL                    0xe0
#define DEINTERLACE_TRD_BUF_ADDR0               0xe4
#define DEINTERLACE_TRD_BUF_ADDR1               0xe8
#define DEINTERLACE_TRD_BUF_ADDR2               0xec
#define DEINTERLACE_TRD_TB_OFF0                 0xf0
#define DEINTERLACE_TRD_TB_OFF1                 0xf4
#define DEINTERLACE_TRD_TB_OFF2                 0xf8
#define DEINTERLACE_TRD_WB_STRIDE               0xfc
#define DEINTERLACE_CH0_IN_SIZE                 0x100
#define DEINTERLACE_CH0_OUT_SIZE                0x104
#define DEINTERLACE_CH0_HORZ_FACT               0x108
#define DEINTERLACE_CH0_VERT_FACT               0x10c
#define DEINTERLACE_CH0_HORZ_PHASE              0x110
#define DEINTERLACE_CH0_VERT_PHASE0             0x114
#define DEINTERLACE_CH0_VERT_PHASE1             0x118
#define DEINTERLACE_CH0_HORZ_TAP0               0x120
#define DEINTERLACE_CH0_HORZ_TAP1               0x124
#define DEINTERLACE_CH0_VERT_TAP                0x128
#define DEINTERLACE_CH1_IN_SIZE                 0x200
#define DEINTERLACE_CH1_OUT_SIZE                0x204
#define DEINTERLACE_CH1_HORZ_FACT               0x208
#define DEINTERLACE_CH1_VERT_FACT               0x20c
#define DEINTERLACE_CH1_HORZ_PHASE              0x210
#define DEINTERLACE_CH1_VERT_PHASE0             0x214
#define DEINTERLACE_CH1_VERT_PHASE1             0x218
#define DEINTERLACE_CH1_HORZ_TAP0               0x220
#define DEINTERLACE_CH1_HORZ_TAP1               0x224
#define DEINTERLACE_CH1_VERT_TAP                0x228
#define DEINTERLACE_CH0_HORZ_COEF0              0x400 /* 32 registers */
#define DEINTERLACE_CH0_HORZ_COEF1              0x480 /* 32 registers */
#define DEINTERLACE_CH0_VERT_COEF               0x500 /* 32 registers */
#define DEINTERLACE_CH1_HORZ_COEF0              0x600 /* 32 registers */
#define DEINTERLACE_CH1_HORZ_COEF1              0x680 /* 32 registers */
#define DEINTERLACE_CH1_VERT_COEF               0x700 /* 32 registers */
#define DEINTERLACE_CH3_HORZ_COEF0              0x800 /* 32 registers */
#define DEINTERLACE_CH3_HORZ_COEF1              0x880 /* 32 registers */
#define DEINTERLACE_CH3_VERT_COEF               0x900 /* 32 registers */

#define DEINTERLACE_MIN_WIDTH   2U
#define DEINTERLACE_MIN_HEIGHT  2U
#define DEINTERLACE_MAX_WIDTH   2048U
#define DEINTERLACE_MAX_HEIGHT  1100U

#define DEINTERLACE_MODE_UV_COMBINED    2

#define DEINTERLACE_IN_FMT_YUV420       2

#define DEINTERLACE_OUT_FMT_YUV420SP    13

#define DEINTERLACE_PS_UVUV             0
#define DEINTERLACE_PS_VUVU             1

#define DEINTERLACE_IDENTITY_COEF       0x4000

#define DEINTERLACE_SIZE(w, h)  (((h) - 1) << 16 | ((w) - 1))

struct deinterlace_ctx {
        struct v4l2_fh          fh;
        struct deinterlace_dev  *dev;

        struct v4l2_pix_format  src_fmt;
        struct v4l2_pix_format  dst_fmt;

        void                    *flag1_buf;
        dma_addr_t              flag1_buf_dma;

        void                    *flag2_buf;
        dma_addr_t              flag2_buf_dma;

        struct vb2_v4l2_buffer  *prev;

        unsigned int            first_field;
        unsigned int            field;

        int                     aborting;
};

struct deinterlace_dev {
        struct v4l2_device      v4l2_dev;
        struct video_device     vfd;
        struct device           *dev;
        struct v4l2_m2m_dev     *m2m_dev;

        /* Device file mutex */
        struct mutex            dev_mutex;

        void __iomem            *base;

        struct clk              *bus_clk;
        struct clk              *mod_clk;
        struct clk              *ram_clk;

        struct reset_control    *rstc;
};

#endif