drivers/gpu/drm/sun4i/sun8i_mixer.h

   1 /*
   2  * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  */
   9
  10 #ifndef _SUN8I_MIXER_H_
  11 #define _SUN8I_MIXER_H_
  12
  13 #include <linux/clk.h>
  14 #include <linux/regmap.h>
  15 #include <linux/reset.h>
  16
  17 #include "sun8i_csc.h"
  18 #include "sunxi_engine.h"
  19
  20 #define SUN8I_MIXER_SIZE(w, h)                  (((h) - 1) << 16 | ((w) - 1))
  21 #define SUN8I_MIXER_COORD(x, y)                 ((y) << 16 | (x))
  22
  23 #define SUN8I_MIXER_GLOBAL_CTL                  0x0
  24 #define SUN8I_MIXER_GLOBAL_STATUS               0x4
  25 #define SUN8I_MIXER_GLOBAL_DBUFF                0x8
  26 #define SUN8I_MIXER_GLOBAL_SIZE                 0xc
  27
  28 #define SUN8I_MIXER_GLOBAL_CTL_RT_EN            BIT(0)
  29
  30 #define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE         BIT(0)
  31
  32 #define SUN8I_MIXER_BLEND_PIPE_CTL              0x1000
  33 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR(x)        (0x1004 + 0x10 * (x) + 0x0)
  34 #define SUN8I_MIXER_BLEND_ATTR_INSIZE(x)        (0x1004 + 0x10 * (x) + 0x4)
  35 #define SUN8I_MIXER_BLEND_ATTR_COORD(x)         (0x1004 + 0x10 * (x) + 0x8)
  36 #define SUN8I_MIXER_BLEND_ROUTE                 0x1080
  37 #define SUN8I_MIXER_BLEND_PREMULTIPLY           0x1084
  38 #define SUN8I_MIXER_BLEND_BKCOLOR               0x1088
  39 #define SUN8I_MIXER_BLEND_OUTSIZE               0x108c
  40 #define SUN8I_MIXER_BLEND_MODE(x)               (0x1090 + 0x04 * (x))
  41 #define SUN8I_MIXER_BLEND_CK_CTL                0x10b0
  42 #define SUN8I_MIXER_BLEND_CK_CFG                0x10b4
  43 #define SUN8I_MIXER_BLEND_CK_MAX(x)             (0x10c0 + 0x04 * (x))
  44 #define SUN8I_MIXER_BLEND_CK_MIN(x)             (0x10e0 + 0x04 * (x))
  45 #define SUN8I_MIXER_BLEND_OUTCTL                0x10fc
  46
  47 #define SUN8I_MIXER_BLEND_PIPE_CTL_EN(pipe)     BIT(8 + pipe)
  48 #define SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(pipe)  BIT(pipe)
  49 /* colors are always in AARRGGBB format */
  50 #define SUN8I_MIXER_BLEND_COLOR_BLACK           0xff000000
  51 /* The following numbers are some still unknown magic numbers */
  52 #define SUN8I_MIXER_BLEND_MODE_DEF              0x03010301
  53
  54 #define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED     BIT(1)
  55
  56 #define SUN8I_MIXER_FBFMT_ARGB8888      0
  57 #define SUN8I_MIXER_FBFMT_ABGR8888      1
  58 #define SUN8I_MIXER_FBFMT_RGBA8888      2
  59 #define SUN8I_MIXER_FBFMT_BGRA8888      3
  60 #define SUN8I_MIXER_FBFMT_XRGB8888      4
  61 #define SUN8I_MIXER_FBFMT_XBGR8888      5
  62 #define SUN8I_MIXER_FBFMT_RGBX8888      6
  63 #define SUN8I_MIXER_FBFMT_BGRX8888      7
  64 #define SUN8I_MIXER_FBFMT_RGB888        8
  65 #define SUN8I_MIXER_FBFMT_BGR888        9
  66 #define SUN8I_MIXER_FBFMT_RGB565        10
  67 #define SUN8I_MIXER_FBFMT_BGR565        11
  68 #define SUN8I_MIXER_FBFMT_ARGB4444      12
  69 #define SUN8I_MIXER_FBFMT_ABGR4444      13
  70 #define SUN8I_MIXER_FBFMT_RGBA4444      14
  71 #define SUN8I_MIXER_FBFMT_BGRA4444      15
  72 #define SUN8I_MIXER_FBFMT_ARGB1555      16
  73 #define SUN8I_MIXER_FBFMT_ABGR1555      17
  74 #define SUN8I_MIXER_FBFMT_RGBA5551      18
  75 #define SUN8I_MIXER_FBFMT_BGRA5551      19
  76
  77 #define SUN8I_MIXER_FBFMT_YUYV          0
  78 #define SUN8I_MIXER_FBFMT_UYVY          1
  79 #define SUN8I_MIXER_FBFMT_YVYU          2
  80 #define SUN8I_MIXER_FBFMT_VYUY          3
  81 #define SUN8I_MIXER_FBFMT_NV16          4
  82 #define SUN8I_MIXER_FBFMT_NV61          5
  83 #define SUN8I_MIXER_FBFMT_YUV422        6
  84 /* format 7 doesn't exist */
  85 #define SUN8I_MIXER_FBFMT_NV12          8
  86 #define SUN8I_MIXER_FBFMT_NV21          9
  87 #define SUN8I_MIXER_FBFMT_YUV420        10
  88 /* format 11 doesn't exist */
  89 /* format 12 is semi-planar YUV411 UVUV */
  90 /* format 13 is semi-planar YUV411 VUVU */
  91 #define SUN8I_MIXER_FBFMT_YUV411        14
  92
  93 /*
  94  * These sub-engines are still unknown now, the EN registers are here only to
  95  * be used to disable these sub-engines.
  96  */
  97 #define SUN8I_MIXER_FCE_EN                      0xa0000
  98 #define SUN8I_MIXER_BWS_EN                      0xa2000
  99 #define SUN8I_MIXER_LTI_EN                      0xa4000
 100 #define SUN8I_MIXER_PEAK_EN                     0xa6000
 101 #define SUN8I_MIXER_ASE_EN                      0xa8000
 102 #define SUN8I_MIXER_FCC_EN                      0xaa000
 103 #define SUN8I_MIXER_DCSC_EN                     0xb0000
 104
 105 struct de2_fmt_info {
 106         u32                     drm_fmt;
 107         u32                     de2_fmt;
 108         bool                    rgb;
 109         enum sun8i_csc_mode     csc;
 110 };
 111
 112 /**
 113  * struct sun8i_mixer_cfg - mixer HW configuration
 114  * @vi_num: number of VI channels
 115  * @ui_num: number of UI channels
 116  * @scaler_mask: bitmask which tells which channel supports scaling
 117  *      First, scaler supports for VI channels is defined and after that, scaler
 118  *      support for UI channels. For example, if mixer has 2 VI channels without
 119  *      scaler and 2 UI channels with scaler, bitmask would be 0xC.
 120  * @ccsc: select set of CCSC base addresses
 121  *      Set value to 0 if this is first mixer or second mixer with VEP support.
 122  *      Set value to 1 if this is second mixer without VEP support. Other values
 123  *      are invalid.
 124  * @mod_rate: module clock rate that needs to be set in order to have
 125  *      a functional block.
 126  */
 127 struct sun8i_mixer_cfg {
 128         int             vi_num;
 129         int             ui_num;
 130         int             scaler_mask;
 131         int             ccsc;
 132         unsigned long   mod_rate;
 133 };
 134
 135 struct sun8i_mixer {
 136         struct sunxi_engine             engine;
 137
 138         const struct sun8i_mixer_cfg    *cfg;
 139
 140         struct reset_control            *reset;
 141
 142         struct clk                      *bus_clk;
 143         struct clk                      *mod_clk;
 144 };
 145
 146 static inline struct sun8i_mixer *
 147 engine_to_sun8i_mixer(struct sunxi_engine *engine)
 148 {
 149         return container_of(engine, struct sun8i_mixer, engine);
 150 }
 151
 152 const struct de2_fmt_info *sun8i_mixer_format_info(u32 format);
 153 #endif /* _SUN8I_MIXER_H_ */