/* SPDX-License-Identifier: GPL-2.0-only */
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/* drivers/gpu/drm/exynos/regs-rotator.h
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*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* Register definition file for Samsung Rotator Interface (Rotator) driver
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*/
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#ifndef EXYNOS_REGS_ROTATOR_H
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#define EXYNOS_REGS_ROTATOR_H
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/* Configuration */
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#define ROT_CONFIG 0x00
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#define ROT_CONFIG_IRQ (3 << 8)
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/* Image Control */
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#define ROT_CONTROL 0x10
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#define ROT_CONTROL_PATTERN_WRITE (1 << 16)
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#define ROT_CONTROL_FMT_YCBCR420_2P (1 << 8)
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#define ROT_CONTROL_FMT_RGB888 (6 << 8)
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#define ROT_CONTROL_FMT_MASK (7 << 8)
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#define ROT_CONTROL_FLIP_VERTICAL (2 << 6)
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#define ROT_CONTROL_FLIP_HORIZONTAL (3 << 6)
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#define ROT_CONTROL_FLIP_MASK (3 << 6)
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#define ROT_CONTROL_ROT_90 (1 << 4)
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#define ROT_CONTROL_ROT_180 (2 << 4)
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#define ROT_CONTROL_ROT_270 (3 << 4)
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#define ROT_CONTROL_ROT_MASK (3 << 4)
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#define ROT_CONTROL_START (1 << 0)
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/* Status */
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#define ROT_STATUS 0x20
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#define ROT_STATUS_IRQ_PENDING(x) (1 << (x))
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#define ROT_STATUS_IRQ(x) (((x) >> 8) & 0x3)
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#define ROT_STATUS_IRQ_VAL_COMPLETE 1
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#define ROT_STATUS_IRQ_VAL_ILLEGAL 2
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/* Buffer Address */
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#define ROT_SRC_BUF_ADDR(n) (0x30 + ((n) << 2))
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#define ROT_DST_BUF_ADDR(n) (0x50 + ((n) << 2))
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/* Buffer Size */
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#define ROT_SRC_BUF_SIZE 0x3c
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#define ROT_DST_BUF_SIZE 0x5c
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#define ROT_SET_BUF_SIZE_H(x) ((x) << 16)
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#define ROT_SET_BUF_SIZE_W(x) ((x) << 0)
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#define ROT_GET_BUF_SIZE_H(x) ((x) >> 16)
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#define ROT_GET_BUF_SIZE_W(x) ((x) & 0xffff)
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/* Crop Position */
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#define ROT_SRC_CROP_POS 0x40
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#define ROT_DST_CROP_POS 0x60
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#define ROT_CROP_POS_Y(x) ((x) << 16)
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#define ROT_CROP_POS_X(x) ((x) << 0)
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/* Source Crop Size */
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#define ROT_SRC_CROP_SIZE 0x44
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#define ROT_SRC_CROP_SIZE_H(x) ((x) << 16)
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#define ROT_SRC_CROP_SIZE_W(x) ((x) << 0)
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/* Round to nearest aligned value */
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#define ROT_ALIGN(x, align, mask) (((x) + (1 << ((align) - 1))) & (mask))
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/* Minimum limit value */
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#define ROT_MIN(min, mask) (((min) + ~(mask)) & (mask))
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/* Maximum limit value */
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#define ROT_MAX(max, mask) ((max) & (mask))
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#endif /* EXYNOS_REGS_ROTATOR_H */
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