drivers/gpu/drm/sun4i/sun8i_vi_scaler.h

   1 /*
   2  * Copyright (C) 2017 Jernej Skrabec <jernej.skrabec@siol.net>
   3  *
   4  * This file is licensed under the terms of the GNU General Public
   5  * License version 2.  This program is licensed "as is" without any
   6  * warranty of any kind, whether express or implied.
   7  */
   8
   9 #ifndef _SUN8I_VI_SCALER_H_
  10 #define _SUN8I_VI_SCALER_H_
  11
  12 #include <drm/drm_fourcc.h>
  13 #include "sun8i_mixer.h"
  14
  15 #define DE2_VI_SCALER_UNIT_BASE 0x20000
  16 #define DE2_VI_SCALER_UNIT_SIZE 0x20000
  17
  18 #define DE3_VI_SCALER_UNIT_BASE 0x20000
  19 #define DE3_VI_SCALER_UNIT_SIZE 0x08000
  20
  21 /* this two macros assumes 16 fractional bits which is standard in DRM */
  22 #define SUN8I_VI_SCALER_SCALE_MIN               1
  23 #define SUN8I_VI_SCALER_SCALE_MAX               ((1UL << 20) - 1)
  24
  25 #define SUN8I_VI_SCALER_SCALE_FRAC              20
  26 #define SUN8I_VI_SCALER_PHASE_FRAC              20
  27 #define SUN8I_VI_SCALER_COEFF_COUNT             32
  28 #define SUN8I_VI_SCALER_SIZE(w, h)              (((h) - 1) << 16 | ((w) - 1))
  29
  30 #define SUN8I_SCALER_VSU_CTRL(base)             ((base) + 0x0)
  31 #define SUN50I_SCALER_VSU_SCALE_MODE(base)              ((base) + 0x10)
  32 #define SUN50I_SCALER_VSU_DIR_THR(base)         ((base) + 0x20)
  33 #define SUN50I_SCALER_VSU_EDGE_THR(base)                ((base) + 0x24)
  34 #define SUN50I_SCALER_VSU_EDSCL_CTRL(base)              ((base) + 0x28)
  35 #define SUN50I_SCALER_VSU_ANGLE_THR(base)               ((base) + 0x2c)
  36 #define SUN8I_SCALER_VSU_OUTSIZE(base)          ((base) + 0x40)
  37 #define SUN8I_SCALER_VSU_YINSIZE(base)          ((base) + 0x80)
  38 #define SUN8I_SCALER_VSU_YHSTEP(base)           ((base) + 0x88)
  39 #define SUN8I_SCALER_VSU_YVSTEP(base)           ((base) + 0x8c)
  40 #define SUN8I_SCALER_VSU_YHPHASE(base)          ((base) + 0x90)
  41 #define SUN8I_SCALER_VSU_YVPHASE(base)          ((base) + 0x98)
  42 #define SUN8I_SCALER_VSU_CINSIZE(base)          ((base) + 0xc0)
  43 #define SUN8I_SCALER_VSU_CHSTEP(base)           ((base) + 0xc8)
  44 #define SUN8I_SCALER_VSU_CVSTEP(base)           ((base) + 0xcc)
  45 #define SUN8I_SCALER_VSU_CHPHASE(base)          ((base) + 0xd0)
  46 #define SUN8I_SCALER_VSU_CVPHASE(base)          ((base) + 0xd8)
  47 #define SUN8I_SCALER_VSU_YHCOEFF0(base, i)      ((base) + 0x200 + 0x4 * (i))
  48 #define SUN8I_SCALER_VSU_YHCOEFF1(base, i)      ((base) + 0x300 + 0x4 * (i))
  49 #define SUN8I_SCALER_VSU_YVCOEFF(base, i)       ((base) + 0x400 + 0x4 * (i))
  50 #define SUN8I_SCALER_VSU_CHCOEFF0(base, i)      ((base) + 0x600 + 0x4 * (i))
  51 #define SUN8I_SCALER_VSU_CHCOEFF1(base, i)      ((base) + 0x700 + 0x4 * (i))
  52 #define SUN8I_SCALER_VSU_CVCOEFF(base, i)       ((base) + 0x800 + 0x4 * (i))
  53
  54 #define SUN8I_SCALER_VSU_CTRL_EN                BIT(0)
  55 #define SUN8I_SCALER_VSU_CTRL_COEFF_RDY         BIT(4)
  56
  57 #define SUN50I_SCALER_VSU_SUB_ZERO_DIR_THR(x)   (((x) << 24) & 0xFF)
  58 #define SUN50I_SCALER_VSU_ZERO_DIR_THR(x)               (((x) << 16) & 0xFF)
  59 #define SUN50I_SCALER_VSU_HORZ_DIR_THR(x)               (((x) << 8) & 0xFF)
  60 #define SUN50I_SCALER_VSU_VERT_DIR_THR(x)               ((x) & 0xFF)
  61
  62 #define SUN50I_SCALER_VSU_SCALE_MODE_UI         0
  63 #define SUN50I_SCALER_VSU_SCALE_MODE_NORMAL     1
  64 #define SUN50I_SCALER_VSU_SCALE_MODE_ED_SCALE   2
  65
  66 #define SUN50I_SCALER_VSU_EDGE_SHIFT(x)         (((x) << 16) & 0xF)
  67 #define SUN50I_SCALER_VSU_EDGE_OFFSET(x)                ((x) & 0xFF)
  68
  69 #define SUN50I_SCALER_VSU_ANGLE_SHIFT(x)                (((x) << 16) & 0xF)
  70 #define SUN50I_SCALER_VSU_ANGLE_OFFSET(x)               ((x) & 0xFF)
  71
  72 void sun8i_vi_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable);
  73 void sun8i_vi_scaler_setup(struct sun8i_mixer *mixer, int layer,
  74                            u32 src_w, u32 src_h, u32 dst_w, u32 dst_h,
  75                            u32 hscale, u32 vscale, u32 hphase, u32 vphase,
  76                            const struct drm_format_info *format);
  77
  78 #endif