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/* SPDX-License-Identifier: GPL-2.0-only */
/* 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
*/
#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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