cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/exynos/regs-rotator.h

/* drivers/gpu/drm/exynos/regs-rotator.h
 *
 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
 *              http://www.samsung.com/
 *
 * Register definition file for Samsung Rotator Interface (Rotator) driver
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#ifndef EXYNOS_REGS_ROTATOR_H

#define EXYNOS_REGS_ROTATOR_H

/* Configuration */

#define ROT_CONFIG			0x00

#define ROT_CONFIG_IRQ			(3 << 8)

/* Image Control */

#define ROT_CONTROL			0x10

#define ROT_CONTROL_PATTERN_WRITE	(1 << 16)

#define ROT_CONTROL_FMT_YCBCR420_2P	(1 << 8)

#define ROT_CONTROL_FMT_RGB888		(6 << 8)

#define ROT_CONTROL_FMT_MASK		(7 << 8)

#define ROT_CONTROL_FLIP_VERTICAL	(2 << 6)

#define ROT_CONTROL_FLIP_HORIZONTAL	(3 << 6)

#define ROT_CONTROL_FLIP_MASK		(3 << 6)

#define ROT_CONTROL_ROT_90		(1 << 4)

#define ROT_CONTROL_ROT_180		(2 << 4)

#define ROT_CONTROL_ROT_270		(3 << 4)

#define ROT_CONTROL_ROT_MASK		(3 << 4)

#define ROT_CONTROL_START		(1 << 0)

/* Status */

#define ROT_STATUS			0x20

#define ROT_STATUS_IRQ_PENDING(x)	(1 << (x))

#define ROT_STATUS_IRQ(x)		(((x) >> 8) & 0x3)

#define ROT_STATUS_IRQ_VAL_COMPLETE	1

#define ROT_STATUS_IRQ_VAL_ILLEGAL	2

/* Buffer Address */

#define ROT_SRC_BUF_ADDR(n)		(0x30 + ((n) << 2))

#define ROT_DST_BUF_ADDR(n)		(0x50 + ((n) << 2))

/* Buffer Size */

#define ROT_SRC_BUF_SIZE		0x3c

#define ROT_DST_BUF_SIZE		0x5c

#define ROT_SET_BUF_SIZE_H(x)		((x) << 16)

#define ROT_SET_BUF_SIZE_W(x)		((x) << 0)

#define ROT_GET_BUF_SIZE_H(x)		((x) >> 16)

#define ROT_GET_BUF_SIZE_W(x)		((x) & 0xffff)

/* Crop Position */

#define ROT_SRC_CROP_POS		0x40

#define ROT_DST_CROP_POS		0x60

#define ROT_CROP_POS_Y(x)		((x) << 16)

#define ROT_CROP_POS_X(x)		((x) << 0)

/* Source Crop Size */

#define ROT_SRC_CROP_SIZE		0x44

#define ROT_SRC_CROP_SIZE_H(x)		((x) << 16)

#define ROT_SRC_CROP_SIZE_W(x)		((x) << 0)

/* Round to nearest aligned value */

#define ROT_ALIGN(x, align, mask)	(((x) + (1 << ((align) - 1))) & (mask))
/* Minimum limit value */

#define ROT_MIN(min, mask)		(((min) + ~(mask)) & (mask))
/* Maximum limit value */

#define ROT_MAX(max, mask)		((max) & (mask))

#endif /* EXYNOS_REGS_ROTATOR_H */


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