1 /* drivers/gpu/drm/exynos/regs-rotator.h
2  *
3  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
4  *		http://www.samsung.com/
5  *
6  * Register definition file for Samsung Rotator Interface (Rotator) driver
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11 */
12 
13 #ifndef EXYNOS_REGS_ROTATOR_H
14 #define EXYNOS_REGS_ROTATOR_H
15 
16 /* Configuration */
17 #define ROT_CONFIG			0x00
18 #define ROT_CONFIG_IRQ			(3 << 8)
19 
20 /* Image Control */
21 #define ROT_CONTROL			0x10
22 #define ROT_CONTROL_PATTERN_WRITE	(1 << 16)
23 #define ROT_CONTROL_FMT_YCBCR420_2P	(1 << 8)
24 #define ROT_CONTROL_FMT_RGB888		(6 << 8)
25 #define ROT_CONTROL_FMT_MASK		(7 << 8)
26 #define ROT_CONTROL_FLIP_VERTICAL	(2 << 6)
27 #define ROT_CONTROL_FLIP_HORIZONTAL	(3 << 6)
28 #define ROT_CONTROL_FLIP_MASK		(3 << 6)
29 #define ROT_CONTROL_ROT_90		(1 << 4)
30 #define ROT_CONTROL_ROT_180		(2 << 4)
31 #define ROT_CONTROL_ROT_270		(3 << 4)
32 #define ROT_CONTROL_ROT_MASK		(3 << 4)
33 #define ROT_CONTROL_START		(1 << 0)
34 
35 /* Status */
36 #define ROT_STATUS			0x20
37 #define ROT_STATUS_IRQ_PENDING(x)	(1 << (x))
38 #define ROT_STATUS_IRQ(x)		(((x) >> 8) & 0x3)
39 #define ROT_STATUS_IRQ_VAL_COMPLETE	1
40 #define ROT_STATUS_IRQ_VAL_ILLEGAL	2
41 
42 /* Buffer Address */
43 #define ROT_SRC_BUF_ADDR(n)		(0x30 + ((n) << 2))
44 #define ROT_DST_BUF_ADDR(n)		(0x50 + ((n) << 2))
45 
46 /* Buffer Size */
47 #define ROT_SRC_BUF_SIZE		0x3c
48 #define ROT_DST_BUF_SIZE		0x5c
49 #define ROT_SET_BUF_SIZE_H(x)		((x) << 16)
50 #define ROT_SET_BUF_SIZE_W(x)		((x) << 0)
51 #define ROT_GET_BUF_SIZE_H(x)		((x) >> 16)
52 #define ROT_GET_BUF_SIZE_W(x)		((x) & 0xffff)
53 
54 /* Crop Position */
55 #define ROT_SRC_CROP_POS		0x40
56 #define ROT_DST_CROP_POS		0x60
57 #define ROT_CROP_POS_Y(x)		((x) << 16)
58 #define ROT_CROP_POS_X(x)		((x) << 0)
59 
60 /* Source Crop Size */
61 #define ROT_SRC_CROP_SIZE		0x44
62 #define ROT_SRC_CROP_SIZE_H(x)		((x) << 16)
63 #define ROT_SRC_CROP_SIZE_W(x)		((x) << 0)
64 
65 /* Round to nearest aligned value */
66 #define ROT_ALIGN(x, align, mask)	(((x) + (1 << ((align) - 1))) & (mask))
67 /* Minimum limit value */
68 #define ROT_MIN(min, mask)		(((min) + ~(mask)) & (mask))
69 /* Maximum limit value */
70 #define ROT_MAX(max, mask)		((max) & (mask))
71 
72 #endif /* EXYNOS_REGS_ROTATOR_H */
73 
74