/*
* Copyright (C) 2017 Jernej Skrabec <[email protected]>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef _SUN8I_VI_SCALER_H_
#define _SUN8I_VI_SCALER_H_
#include <drm/drm_fourcc.h>
#include "sun8i_mixer.h"
#define DE2_VI_SCALER_UNIT_BASE 0x20000
#define DE2_VI_SCALER_UNIT_SIZE 0x20000
#define DE3_VI_SCALER_UNIT_BASE 0x20000
#define DE3_VI_SCALER_UNIT_SIZE 0x08000
/* this two macros assumes 16 fractional bits which is standard in DRM */
#define SUN8I_VI_SCALER_SCALE_MIN 1
#define SUN8I_VI_SCALER_SCALE_MAX ((1UL << 20) - 1)
#define SUN8I_VI_SCALER_SCALE_FRAC 20
#define SUN8I_VI_SCALER_PHASE_FRAC 20
#define SUN8I_VI_SCALER_COEFF_COUNT 32
#define SUN8I_VI_SCALER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1))
#define SUN8I_SCALER_VSU_CTRL(base) ((base) + 0x0)
#define SUN50I_SCALER_VSU_SCALE_MODE(base) ((base) + 0x10)
#define SUN50I_SCALER_VSU_DIR_THR(base) ((base) + 0x20)
#define SUN50I_SCALER_VSU_EDGE_THR(base) ((base) + 0x24)
#define SUN50I_SCALER_VSU_EDSCL_CTRL(base) ((base) + 0x28)
#define SUN50I_SCALER_VSU_ANGLE_THR(base) ((base) + 0x2c)
#define SUN8I_SCALER_VSU_OUTSIZE(base) ((base) + 0x40)
#define SUN8I_SCALER_VSU_YINSIZE(base) ((base) + 0x80)
#define SUN8I_SCALER_VSU_YHSTEP(base) ((base) + 0x88)
#define SUN8I_SCALER_VSU_YVSTEP(base) ((base) + 0x8c)
#define SUN8I_SCALER_VSU_YHPHASE(base) ((base) + 0x90)
#define SUN8I_SCALER_VSU_YVPHASE(base) ((base) + 0x98)
#define SUN8I_SCALER_VSU_CINSIZE(base) ((base) + 0xc0)
#define SUN8I_SCALER_VSU_CHSTEP(base) ((base) + 0xc8)
#define SUN8I_SCALER_VSU_CVSTEP(base) ((base) + 0xcc)
#define SUN8I_SCALER_VSU_CHPHASE(base) ((base) + 0xd0)
#define SUN8I_SCALER_VSU_CVPHASE(base) ((base) + 0xd8)
#define SUN8I_SCALER_VSU_YHCOEFF0(base, i) ((base) + 0x200 + 0x4 * (i))
#define SUN8I_SCALER_VSU_YHCOEFF1(base, i) ((base) + 0x300 + 0x4 * (i))
#define SUN8I_SCALER_VSU_YVCOEFF(base, i) ((base) + 0x400 + 0x4 * (i))
#define SUN8I_SCALER_VSU_CHCOEFF0(base, i) ((base) + 0x600 + 0x4 * (i))
#define SUN8I_SCALER_VSU_CHCOEFF1(base, i) ((base) + 0x700 + 0x4 * (i))
#define SUN8I_SCALER_VSU_CVCOEFF(base, i) ((base) + 0x800 + 0x4 * (i))
#define SUN8I_SCALER_VSU_CTRL_EN BIT(0)
#define SUN8I_SCALER_VSU_CTRL_COEFF_RDY BIT(4)
#define SUN50I_SCALER_VSU_SUB_ZERO_DIR_THR(x) (((x) << 24) & 0xFF)
#define SUN50I_SCALER_VSU_ZERO_DIR_THR(x) (((x) << 16) & 0xFF)
#define SUN50I_SCALER_VSU_HORZ_DIR_THR(x) (((x) << 8) & 0xFF)
#define SUN50I_SCALER_VSU_VERT_DIR_THR(x) ((x) & 0xFF)
#define SUN50I_SCALER_VSU_SCALE_MODE_UI 0
#define SUN50I_SCALER_VSU_SCALE_MODE_NORMAL 1
#define SUN50I_SCALER_VSU_SCALE_MODE_ED_SCALE 2
#define SUN50I_SCALER_VSU_EDGE_SHIFT(x) (((x) << 16) & 0xF)
#define SUN50I_SCALER_VSU_EDGE_OFFSET(x) ((x) & 0xFF)
#define SUN50I_SCALER_VSU_ANGLE_SHIFT(x) (((x) << 16) & 0xF)
#define SUN50I_SCALER_VSU_ANGLE_OFFSET(x) ((x) & 0xFF)
void sun8i_vi_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable);
void sun8i_vi_scaler_setup(struct sun8i_mixer *mixer, int layer,
u32 src_w, u32 src_h, u32 dst_w, u32 dst_h,
u32 hscale, u32 vscale, u32 hphase, u32 vphase,
const struct drm_format_info *format);
#endif
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