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_UI_SCALER_H_ 10 #define _SUN8I_UI_SCALER_H_ 11 12 #include "sun8i_mixer.h" 13 14 #define DE2_UI_SCALER_UNIT_SIZE 0x10000 15 #define DE3_UI_SCALER_UNIT_SIZE 0x08000 16 17 /* this two macros assumes 16 fractional bits which is standard in DRM */ 18 #define SUN8I_UI_SCALER_SCALE_MIN 1 19 #define SUN8I_UI_SCALER_SCALE_MAX ((1UL << 20) - 1) 20 21 #define SUN8I_UI_SCALER_SCALE_FRAC 20 22 #define SUN8I_UI_SCALER_PHASE_FRAC 20 23 #define SUN8I_UI_SCALER_COEFF_COUNT 16 24 #define SUN8I_UI_SCALER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1)) 25 26 #define SUN8I_SCALER_GSU_CTRL(base) ((base) + 0x0) 27 #define SUN8I_SCALER_GSU_OUTSIZE(base) ((base) + 0x40) 28 #define SUN8I_SCALER_GSU_INSIZE(base) ((base) + 0x80) 29 #define SUN8I_SCALER_GSU_HSTEP(base) ((base) + 0x88) 30 #define SUN8I_SCALER_GSU_VSTEP(base) ((base) + 0x8c) 31 #define SUN8I_SCALER_GSU_HPHASE(base) ((base) + 0x90) 32 #define SUN8I_SCALER_GSU_VPHASE(base) ((base) + 0x98) 33 #define SUN8I_SCALER_GSU_HCOEFF(base, index) ((base) + 0x200 + 0x4 * (index)) 34 35 #define SUN8I_SCALER_GSU_CTRL_EN BIT(0) 36 #define SUN8I_SCALER_GSU_CTRL_COEFF_RDY BIT(4) 37 38 void sun8i_ui_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable); 39 void sun8i_ui_scaler_setup(struct sun8i_mixer *mixer, int layer, 40 u32 src_w, u32 src_h, u32 dst_w, u32 dst_h, 41 u32 hscale, u32 vscale, u32 hphase, u32 vphase); 42 43 #endif 44