drivers/media/platform/sunxi/sun8i-rotate/sun8i-rotate.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Allwinner DE2 rotation driver
   4  *
   5  * Copyright (C) 2020 Jernej Skrabec <jernej.skrabec@siol.net>
   6  */
   7
   8 #ifndef _SUN8I_ROTATE_H_
   9 #define _SUN8I_ROTATE_H_
  10
  11 #include <media/v4l2-ctrls.h>
  12 #include <media/v4l2-device.h>
  13 #include <media/v4l2-mem2mem.h>
  14 #include <media/videobuf2-v4l2.h>
  15 #include <media/videobuf2-dma-contig.h>
  16
  17 #include <linux/platform_device.h>
  18
  19 #define ROTATE_NAME             "sun8i-rotate"
  20
  21 #define ROTATE_GLB_CTL                  0x00
  22 #define ROTATE_GLB_CTL_START                    BIT(31)
  23 #define ROTATE_GLB_CTL_RESET                    BIT(30)
  24 #define ROTATE_GLB_CTL_BURST_LEN(x)             ((x) << 16)
  25 #define ROTATE_GLB_CTL_HFLIP                    BIT(7)
  26 #define ROTATE_GLB_CTL_VFLIP                    BIT(6)
  27 #define ROTATE_GLB_CTL_ROTATION(x)              ((x) << 4)
  28 #define ROTATE_GLB_CTL_MODE(x)                  ((x) << 0)
  29
  30 #define ROTATE_INT                      0x04
  31 #define ROTATE_INT_FINISH_IRQ_EN                BIT(16)
  32 #define ROTATE_INT_FINISH_IRQ                   BIT(0)
  33
  34 #define ROTATE_IN_FMT                   0x20
  35 #define ROTATE_IN_FMT_FORMAT(x)                 ((x) << 0)
  36
  37 #define ROTATE_IN_SIZE                  0x24
  38 #define ROTATE_IN_PITCH0                0x30
  39 #define ROTATE_IN_PITCH1                0x34
  40 #define ROTATE_IN_PITCH2                0x38
  41 #define ROTATE_IN_ADDRL0                0x40
  42 #define ROTATE_IN_ADDRH0                0x44
  43 #define ROTATE_IN_ADDRL1                0x48
  44 #define ROTATE_IN_ADDRH1                0x4c
  45 #define ROTATE_IN_ADDRL2                0x50
  46 #define ROTATE_IN_ADDRH2                0x54
  47 #define ROTATE_OUT_SIZE                 0x84
  48 #define ROTATE_OUT_PITCH0               0x90
  49 #define ROTATE_OUT_PITCH1               0x94
  50 #define ROTATE_OUT_PITCH2               0x98
  51 #define ROTATE_OUT_ADDRL0               0xA0
  52 #define ROTATE_OUT_ADDRH0               0xA4
  53 #define ROTATE_OUT_ADDRL1               0xA8
  54 #define ROTATE_OUT_ADDRH1               0xAC
  55 #define ROTATE_OUT_ADDRL2               0xB0
  56 #define ROTATE_OUT_ADDRH2               0xB4
  57
  58 #define ROTATE_BURST_8                  0x07
  59 #define ROTATE_BURST_16                 0x0f
  60 #define ROTATE_BURST_32                 0x1f
  61 #define ROTATE_BURST_64                 0x3f
  62
  63 #define ROTATE_MODE_COPY_ROTATE         0x01
  64
  65 #define ROTATE_FORMAT_ARGB32            0x00
  66 #define ROTATE_FORMAT_ABGR32            0x01
  67 #define ROTATE_FORMAT_RGBA32            0x02
  68 #define ROTATE_FORMAT_BGRA32            0x03
  69 #define ROTATE_FORMAT_XRGB32            0x04
  70 #define ROTATE_FORMAT_XBGR32            0x05
  71 #define ROTATE_FORMAT_RGBX32            0x06
  72 #define ROTATE_FORMAT_BGRX32            0x07
  73 #define ROTATE_FORMAT_RGB24             0x08
  74 #define ROTATE_FORMAT_BGR24             0x09
  75 #define ROTATE_FORMAT_RGB565            0x0a
  76 #define ROTATE_FORMAT_BGR565            0x0b
  77 #define ROTATE_FORMAT_ARGB4444          0x0c
  78 #define ROTATE_FORMAT_ABGR4444          0x0d
  79 #define ROTATE_FORMAT_RGBA4444          0x0e
  80 #define ROTATE_FORMAT_BGRA4444          0x0f
  81 #define ROTATE_FORMAT_ARGB1555          0x10
  82 #define ROTATE_FORMAT_ABGR1555          0x11
  83 #define ROTATE_FORMAT_RGBA5551          0x12
  84 #define ROTATE_FORMAT_BGRA5551          0x13
  85
  86 #define ROTATE_FORMAT_YUYV              0x20
  87 #define ROTATE_FORMAT_UYVY              0x21
  88 #define ROTATE_FORMAT_YVYU              0x22
  89 #define ROTATE_FORMAT_VYUV              0x23
  90 #define ROTATE_FORMAT_NV61              0x24
  91 #define ROTATE_FORMAT_NV16              0x25
  92 #define ROTATE_FORMAT_YUV422P           0x26
  93 #define ROTATE_FORMAT_NV21              0x28
  94 #define ROTATE_FORMAT_NV12              0x29
  95 #define ROTATE_FORMAT_YUV420P           0x2A
  96
  97 #define ROTATE_SIZE(w, h)       (((h) - 1) << 16 | ((w) - 1))
  98
  99 #define ROTATE_MIN_WIDTH        8U
 100 #define ROTATE_MIN_HEIGHT       8U
 101 #define ROTATE_MAX_WIDTH        4096U
 102 #define ROTATE_MAX_HEIGHT       4096U
 103
 104 struct rotate_ctx {
 105         struct v4l2_fh          fh;
 106         struct rotate_dev       *dev;
 107
 108         struct v4l2_pix_format  src_fmt;
 109         struct v4l2_pix_format  dst_fmt;
 110
 111         struct v4l2_ctrl_handler ctrl_handler;
 112
 113         u32 hflip;
 114         u32 vflip;
 115         u32 rotate;
 116 };
 117
 118 struct rotate_dev {
 119         struct v4l2_device      v4l2_dev;
 120         struct video_device     vfd;
 121         struct device           *dev;
 122         struct v4l2_m2m_dev     *m2m_dev;
 123
 124         /* Device file mutex */
 125         struct mutex            dev_mutex;
 126
 127         void __iomem            *base;
 128
 129         struct clk              *bus_clk;
 130         struct clk              *mod_clk;
 131
 132         struct reset_control    *rstc;
 133 };
 134
 135 #endif