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 /* this two macros assumes 16 fractional bits which is standard in DRM */ 16 #define SUN8I_VI_SCALER_SCALE_MIN 1 17 #define SUN8I_VI_SCALER_SCALE_MAX ((1UL << 20) - 1) 18 19 #define SUN8I_VI_SCALER_SCALE_FRAC 20 20 #define SUN8I_VI_SCALER_PHASE_FRAC 20 21 #define SUN8I_VI_SCALER_COEFF_COUNT 32 22 #define SUN8I_VI_SCALER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1)) 23 24 #define SUN8I_SCALER_VSU_CTRL(ch) (0x20000 + 0x20000 * (ch) + 0x0) 25 #define SUN8I_SCALER_VSU_OUTSIZE(ch) (0x20000 + 0x20000 * (ch) + 0x40) 26 #define SUN8I_SCALER_VSU_YINSIZE(ch) (0x20000 + 0x20000 * (ch) + 0x80) 27 #define SUN8I_SCALER_VSU_YHSTEP(ch) (0x20000 + 0x20000 * (ch) + 0x88) 28 #define SUN8I_SCALER_VSU_YVSTEP(ch) (0x20000 + 0x20000 * (ch) + 0x8c) 29 #define SUN8I_SCALER_VSU_YHPHASE(ch) (0x20000 + 0x20000 * (ch) + 0x90) 30 #define SUN8I_SCALER_VSU_YVPHASE(ch) (0x20000 + 0x20000 * (ch) + 0x98) 31 #define SUN8I_SCALER_VSU_CINSIZE(ch) (0x20000 + 0x20000 * (ch) + 0xc0) 32 #define SUN8I_SCALER_VSU_CHSTEP(ch) (0x20000 + 0x20000 * (ch) + 0xc8) 33 #define SUN8I_SCALER_VSU_CVSTEP(ch) (0x20000 + 0x20000 * (ch) + 0xcc) 34 #define SUN8I_SCALER_VSU_CHPHASE(ch) (0x20000 + 0x20000 * (ch) + 0xd0) 35 #define SUN8I_SCALER_VSU_CVPHASE(ch) (0x20000 + 0x20000 * (ch) + 0xd8) 36 #define SUN8I_SCALER_VSU_YHCOEFF0(ch, i) \ 37 (0x20000 + 0x20000 * (ch) + 0x200 + 0x4 * (i)) 38 #define SUN8I_SCALER_VSU_YHCOEFF1(ch, i) \ 39 (0x20000 + 0x20000 * (ch) + 0x300 + 0x4 * (i)) 40 #define SUN8I_SCALER_VSU_YVCOEFF(ch, i) \ 41 (0x20000 + 0x20000 * (ch) + 0x400 + 0x4 * (i)) 42 #define SUN8I_SCALER_VSU_CHCOEFF0(ch, i) \ 43 (0x20000 + 0x20000 * (ch) + 0x600 + 0x4 * (i)) 44 #define SUN8I_SCALER_VSU_CHCOEFF1(ch, i) \ 45 (0x20000 + 0x20000 * (ch) + 0x700 + 0x4 * (i)) 46 #define SUN8I_SCALER_VSU_CVCOEFF(ch, i) \ 47 (0x20000 + 0x20000 * (ch) + 0x800 + 0x4 * (i)) 48 49 #define SUN8I_SCALER_VSU_CTRL_EN BIT(0) 50 #define SUN8I_SCALER_VSU_CTRL_COEFF_RDY BIT(4) 51 52 void sun8i_vi_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable); 53 void sun8i_vi_scaler_setup(struct sun8i_mixer *mixer, int layer, 54 u32 src_w, u32 src_h, u32 dst_w, u32 dst_h, 55 u32 hscale, u32 vscale, u32 hphase, u32 vphase, 56 const struct drm_format_info *format); 57 58 #endif 59