1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* drivers/gpu/drm/exynos/regs-rotator.h
3  *
4  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5  *		http://www.samsung.com/
6  *
7  * Register definition file for Samsung Rotator Interface (Rotator) driver
8 */
9 
10 #ifndef EXYNOS_REGS_ROTATOR_H
11 #define EXYNOS_REGS_ROTATOR_H
12 
13 /* Configuration */
14 #define ROT_CONFIG			0x00
15 #define ROT_CONFIG_IRQ			(3 << 8)
16 
17 /* Image Control */
18 #define ROT_CONTROL			0x10
19 #define ROT_CONTROL_PATTERN_WRITE	(1 << 16)
20 #define ROT_CONTROL_FMT_YCBCR420_2P	(1 << 8)
21 #define ROT_CONTROL_FMT_RGB888		(6 << 8)
22 #define ROT_CONTROL_FMT_MASK		(7 << 8)
23 #define ROT_CONTROL_FLIP_VERTICAL	(2 << 6)
24 #define ROT_CONTROL_FLIP_HORIZONTAL	(3 << 6)
25 #define ROT_CONTROL_FLIP_MASK		(3 << 6)
26 #define ROT_CONTROL_ROT_90		(1 << 4)
27 #define ROT_CONTROL_ROT_180		(2 << 4)
28 #define ROT_CONTROL_ROT_270		(3 << 4)
29 #define ROT_CONTROL_ROT_MASK		(3 << 4)
30 #define ROT_CONTROL_START		(1 << 0)
31 
32 /* Status */
33 #define ROT_STATUS			0x20
34 #define ROT_STATUS_IRQ_PENDING(x)	(1 << (x))
35 #define ROT_STATUS_IRQ(x)		(((x) >> 8) & 0x3)
36 #define ROT_STATUS_IRQ_VAL_COMPLETE	1
37 #define ROT_STATUS_IRQ_VAL_ILLEGAL	2
38 
39 /* Buffer Address */
40 #define ROT_SRC_BUF_ADDR(n)		(0x30 + ((n) << 2))
41 #define ROT_DST_BUF_ADDR(n)		(0x50 + ((n) << 2))
42 
43 /* Buffer Size */
44 #define ROT_SRC_BUF_SIZE		0x3c
45 #define ROT_DST_BUF_SIZE		0x5c
46 #define ROT_SET_BUF_SIZE_H(x)		((x) << 16)
47 #define ROT_SET_BUF_SIZE_W(x)		((x) << 0)
48 #define ROT_GET_BUF_SIZE_H(x)		((x) >> 16)
49 #define ROT_GET_BUF_SIZE_W(x)		((x) & 0xffff)
50 
51 /* Crop Position */
52 #define ROT_SRC_CROP_POS		0x40
53 #define ROT_DST_CROP_POS		0x60
54 #define ROT_CROP_POS_Y(x)		((x) << 16)
55 #define ROT_CROP_POS_X(x)		((x) << 0)
56 
57 /* Source Crop Size */
58 #define ROT_SRC_CROP_SIZE		0x44
59 #define ROT_SRC_CROP_SIZE_H(x)		((x) << 16)
60 #define ROT_SRC_CROP_SIZE_W(x)		((x) << 0)
61 
62 /* Round to nearest aligned value */
63 #define ROT_ALIGN(x, align, mask)	(((x) + (1 << ((align) - 1))) & (mask))
64 /* Minimum limit value */
65 #define ROT_MIN(min, mask)		(((min) + ~(mask)) & (mask))
66 /* Maximum limit value */
67 #define ROT_MAX(max, mask)		((max) & (mask))
68 
69 #endif /* EXYNOS_REGS_ROTATOR_H */
70 
71