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 "sunxi_engine.h"
  18
  19 #define SUN8I_MIXER_MAX_CHAN_COUNT              4
  20
  21 #define SUN8I_MIXER_SIZE(w, h)                  (((h) - 1) << 16 | ((w) - 1))
  22 #define SUN8I_MIXER_COORD(x, y)                 ((y) << 16 | (x))
  23
  24 #define SUN8I_MIXER_GLOBAL_CTL                  0x0
  25 #define SUN8I_MIXER_GLOBAL_STATUS               0x4
  26 #define SUN8I_MIXER_GLOBAL_DBUFF                0x8
  27 #define SUN8I_MIXER_GLOBAL_SIZE                 0xc
  28
  29 #define SUN8I_MIXER_GLOBAL_CTL_RT_EN            0x1
  30
  31 #define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE         0x1
  32
  33 #define SUN8I_MIXER_BLEND_FCOLOR_CTL            0x1000
  34 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR(x)        (0x1004 + 0x10 * (x) + 0x0)
  35 #define SUN8I_MIXER_BLEND_ATTR_INSIZE(x)        (0x1004 + 0x10 * (x) + 0x4)
  36 #define SUN8I_MIXER_BLEND_ATTR_OFFSET(x)        (0x1004 + 0x10 * (x) + 0x8)
  37 #define SUN8I_MIXER_BLEND_ROUTE                 0x1080
  38 #define SUN8I_MIXER_BLEND_PREMULTIPLY           0x1084
  39 #define SUN8I_MIXER_BLEND_BKCOLOR               0x1088
  40 #define SUN8I_MIXER_BLEND_OUTSIZE               0x108c
  41 #define SUN8I_MIXER_BLEND_MODE(x)               (0x1090 + 0x04 * (x))
  42 #define SUN8I_MIXER_BLEND_CK_CTL                0x10b0
  43 #define SUN8I_MIXER_BLEND_CK_CFG                0x10b4
  44 #define SUN8I_MIXER_BLEND_CK_MAX(x)             (0x10c0 + 0x04 * (x))
  45 #define SUN8I_MIXER_BLEND_CK_MIN(x)             (0x10e0 + 0x04 * (x))
  46 #define SUN8I_MIXER_BLEND_OUTCTL                0x10fc
  47
  48 /* The following numbers are some still unknown magic numbers */
  49 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR_DEF       0xff000000
  50 #define SUN8I_MIXER_BLEND_FCOLOR_CTL_DEF        0x00000101
  51 #define SUN8I_MIXER_BLEND_PREMULTIPLY_DEF       0x0
  52 #define SUN8I_MIXER_BLEND_BKCOLOR_DEF           0xff000000
  53 #define SUN8I_MIXER_BLEND_MODE_DEF              0x03010301
  54 #define SUN8I_MIXER_BLEND_CK_CTL_DEF            0x0
  55
  56 #define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED     BIT(1)
  57
  58 /*
  59  * VI channels are not used now, but the support of them may be introduced in
  60  * the future.
  61  */
  62
  63 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch, layer) \
  64                         (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x0)
  65 #define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(ch, layer) \
  66                         (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x4)
  67 #define SUN8I_MIXER_CHAN_UI_LAYER_COORD(ch, layer) \
  68                         (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x8)
  69 #define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(ch, layer) \
  70                         (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0xc)
  71 #define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(ch, layer) \
  72                         (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x10)
  73 #define SUN8I_MIXER_CHAN_UI_LAYER_BOT_LADDR(ch, layer) \
  74                         (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x14)
  75 #define SUN8I_MIXER_CHAN_UI_LAYER_FCOLOR(ch, layer) \
  76                         (0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x18)
  77 #define SUN8I_MIXER_CHAN_UI_TOP_HADDR(ch)       (0x2000 + 0x1000 * (ch) + 0x80)
  78 #define SUN8I_MIXER_CHAN_UI_BOT_HADDR(ch)       (0x2000 + 0x1000 * (ch) + 0x84)
  79 #define SUN8I_MIXER_CHAN_UI_OVL_SIZE(ch)        (0x2000 + 0x1000 * (ch) + 0x88)
  80
  81 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN               BIT(0)
  82 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK  GENMASK(2, 1)
  83 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK       GENMASK(12, 8)
  84 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK       GENMASK(31, 24)
  85 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_DEF   (1 << 1)
  86 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_ARGB8888   (0 << 8)
  87 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_XRGB8888   (4 << 8)
  88 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_RGB888     (8 << 8)
  89 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_DEF        (0xff << 24)
  90
  91 /*
  92  * These sub-engines are still unknown now, the EN registers are here only to
  93  * be used to disable these sub-engines.
  94  */
  95 #define SUN8I_MIXER_VSU_EN                      0x20000
  96 #define SUN8I_MIXER_GSU1_EN                     0x30000
  97 #define SUN8I_MIXER_GSU2_EN                     0x40000
  98 #define SUN8I_MIXER_GSU3_EN                     0x50000
  99 #define SUN8I_MIXER_FCE_EN                      0xa0000
 100 #define SUN8I_MIXER_BWS_EN                      0xa2000
 101 #define SUN8I_MIXER_LTI_EN                      0xa4000
 102 #define SUN8I_MIXER_PEAK_EN                     0xa6000
 103 #define SUN8I_MIXER_ASE_EN                      0xa8000
 104 #define SUN8I_MIXER_FCC_EN                      0xaa000
 105 #define SUN8I_MIXER_DCSC_EN                     0xb0000
 106
 107 struct sun8i_mixer_cfg {
 108         int             vi_num;
 109         int             ui_num;
 110 };
 111
 112 struct sun8i_mixer {
 113         struct sunxi_engine             engine;
 114
 115         const struct sun8i_mixer_cfg    *cfg;
 116
 117         struct reset_control            *reset;
 118
 119         struct clk                      *bus_clk;
 120         struct clk                      *mod_clk;
 121 };
 122
 123 static inline struct sun8i_mixer *
 124 engine_to_sun8i_mixer(struct sunxi_engine *engine)
 125 {
 126         return container_of(engine, struct sun8i_mixer, engine);
 127 }
 128
 129 void sun8i_mixer_layer_enable(struct sun8i_mixer *mixer,
 130                                 int layer, bool enable);
 131 int sun8i_mixer_update_layer_coord(struct sun8i_mixer *mixer,
 132                                      int layer, struct drm_plane *plane);
 133 int sun8i_mixer_update_layer_formats(struct sun8i_mixer *mixer,
 134                                        int layer, struct drm_plane *plane);
 135 int sun8i_mixer_update_layer_buffer(struct sun8i_mixer *mixer,
 136                                       int layer, struct drm_plane *plane);
 137 #endif /* _SUN8I_MIXER_H_ */