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#define DE33_VI_SCALER_UNIT_BASE 0x4000
22
23/* this two macros assumes 16 fractional bits which is standard in DRM */
24#define SUN8I_VI_SCALER_SCALE_MIN		1
25#define SUN8I_VI_SCALER_SCALE_MAX		((1UL << 20) - 1)
26
27#define SUN8I_VI_SCALER_SCALE_FRAC		20
28#define SUN8I_VI_SCALER_PHASE_FRAC		20
29#define SUN8I_VI_SCALER_COEFF_COUNT		32
30#define SUN8I_VI_SCALER_SIZE(w, h)		(((h) - 1) << 16 | ((w) - 1))
31
32#define SUN8I_SCALER_VSU_CTRL(base)		((base) + 0x0)
33#define SUN50I_SCALER_VSU_SCALE_MODE(base)		((base) + 0x10)
34#define SUN50I_SCALER_VSU_DIR_THR(base)		((base) + 0x20)
35#define SUN50I_SCALER_VSU_EDGE_THR(base)		((base) + 0x24)
36#define SUN50I_SCALER_VSU_EDSCL_CTRL(base)		((base) + 0x28)
37#define SUN50I_SCALER_VSU_ANGLE_THR(base)		((base) + 0x2c)
38#define SUN8I_SCALER_VSU_OUTSIZE(base)		((base) + 0x40)
39#define SUN8I_SCALER_VSU_YINSIZE(base)		((base) + 0x80)
40#define SUN8I_SCALER_VSU_YHSTEP(base)		((base) + 0x88)
41#define SUN8I_SCALER_VSU_YVSTEP(base)		((base) + 0x8c)
42#define SUN8I_SCALER_VSU_YHPHASE(base)		((base) + 0x90)
43#define SUN8I_SCALER_VSU_YVPHASE(base)		((base) + 0x98)
44#define SUN8I_SCALER_VSU_CINSIZE(base)		((base) + 0xc0)
45#define SUN8I_SCALER_VSU_CHSTEP(base)		((base) + 0xc8)
46#define SUN8I_SCALER_VSU_CVSTEP(base)		((base) + 0xcc)
47#define SUN8I_SCALER_VSU_CHPHASE(base)		((base) + 0xd0)
48#define SUN8I_SCALER_VSU_CVPHASE(base)		((base) + 0xd8)
49#define SUN8I_SCALER_VSU_YHCOEFF0(base, i)	((base) + 0x200 + 0x4 * (i))
50#define SUN8I_SCALER_VSU_YHCOEFF1(base, i)	((base) + 0x300 + 0x4 * (i))
51#define SUN8I_SCALER_VSU_YVCOEFF(base, i)	((base) + 0x400 + 0x4 * (i))
52#define SUN8I_SCALER_VSU_CHCOEFF0(base, i)	((base) + 0x600 + 0x4 * (i))
53#define SUN8I_SCALER_VSU_CHCOEFF1(base, i)	((base) + 0x700 + 0x4 * (i))
54#define SUN8I_SCALER_VSU_CVCOEFF(base, i)	((base) + 0x800 + 0x4 * (i))
55
56#define SUN8I_SCALER_VSU_CTRL_EN		BIT(0)
57#define SUN8I_SCALER_VSU_CTRL_COEFF_RDY		BIT(4)
58
59#define SUN50I_SCALER_VSU_SUB_ZERO_DIR_THR(x)	(((x) << 24) & 0xFF)
60#define SUN50I_SCALER_VSU_ZERO_DIR_THR(x)		(((x) << 16) & 0xFF)
61#define SUN50I_SCALER_VSU_HORZ_DIR_THR(x)		(((x) << 8) & 0xFF)
62#define SUN50I_SCALER_VSU_VERT_DIR_THR(x)		((x) & 0xFF)
63
64#define SUN50I_SCALER_VSU_SCALE_MODE_UI		0
65#define SUN50I_SCALER_VSU_SCALE_MODE_NORMAL	1
66#define SUN50I_SCALER_VSU_SCALE_MODE_ED_SCALE	2
67
68#define SUN50I_SCALER_VSU_EDGE_SHIFT(x)		(((x) << 16) & 0xF)
69#define SUN50I_SCALER_VSU_EDGE_OFFSET(x)		((x) & 0xFF)
70
71#define SUN50I_SCALER_VSU_ANGLE_SHIFT(x)		(((x) << 16) & 0xF)
72#define SUN50I_SCALER_VSU_ANGLE_OFFSET(x)		((x) & 0xFF)
73
74void sun8i_vi_scaler_enable(struct sun8i_layer *layer, bool enable);
75void sun8i_vi_scaler_setup(struct sun8i_layer *layer,
76			   u32 src_w, u32 src_h, u32 dst_w, u32 dst_h,
77			   u32 hscale, u32 vscale, u32 hphase, u32 vphase,
78			   const struct drm_format_info *format);
79
80#endif