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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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bb677f3ac4
Add driver for the JPEG codec IP block available in Samsung Exynos SoC series. The driver is implemented as a V4L2 mem-to-mem device. It exposes two video nodes to user space, one for the encoding part, and one for the decoding part. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Tomasz Stanislawski <t.stanislaws@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
171 lines
5.0 KiB
C
171 lines
5.0 KiB
C
/* linux/drivers/media/video/s5p-jpeg/jpeg-regs.h
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*
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* Register definition file for Samsung JPEG codec driver
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef JPEG_REGS_H_
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#define JPEG_REGS_H_
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/* JPEG mode register */
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#define S5P_JPGMOD 0x00
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#define S5P_PROC_MODE_MASK (0x1 << 3)
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#define S5P_PROC_MODE_DECOMPR (0x1 << 3)
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#define S5P_PROC_MODE_COMPR (0x0 << 3)
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#define S5P_SUBSAMPLING_MODE_MASK 0x7
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#define S5P_SUBSAMPLING_MODE_444 (0x0 << 0)
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#define S5P_SUBSAMPLING_MODE_422 (0x1 << 0)
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#define S5P_SUBSAMPLING_MODE_420 (0x2 << 0)
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#define S5P_SUBSAMPLING_MODE_GRAY (0x3 << 0)
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/* JPEG operation status register */
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#define S5P_JPGOPR 0x04
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/* Quantization tables*/
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#define S5P_JPG_QTBL 0x08
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#define S5P_QT_NUMt_SHIFT(t) (((t) - 1) << 1)
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#define S5P_QT_NUMt_MASK(t) (0x3 << S5P_QT_NUMt_SHIFT(t))
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/* Huffman tables */
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#define S5P_JPG_HTBL 0x0c
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#define S5P_HT_NUMt_AC_SHIFT(t) (((t) << 1) - 1)
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#define S5P_HT_NUMt_AC_MASK(t) (0x1 << S5P_HT_NUMt_AC_SHIFT(t))
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#define S5P_HT_NUMt_DC_SHIFT(t) (((t) - 1) << 1)
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#define S5P_HT_NUMt_DC_MASK(t) (0x1 << S5P_HT_NUMt_DC_SHIFT(t))
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/* JPEG restart interval register upper byte */
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#define S5P_JPGDRI_U 0x10
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/* JPEG restart interval register lower byte */
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#define S5P_JPGDRI_L 0x14
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/* JPEG vertical resolution register upper byte */
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#define S5P_JPGY_U 0x18
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/* JPEG vertical resolution register lower byte */
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#define S5P_JPGY_L 0x1c
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/* JPEG horizontal resolution register upper byte */
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#define S5P_JPGX_U 0x20
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/* JPEG horizontal resolution register lower byte */
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#define S5P_JPGX_L 0x24
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/* JPEG byte count register upper byte */
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#define S5P_JPGCNT_U 0x28
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/* JPEG byte count register middle byte */
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#define S5P_JPGCNT_M 0x2c
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/* JPEG byte count register lower byte */
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#define S5P_JPGCNT_L 0x30
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/* JPEG interrupt setting register */
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#define S5P_JPGINTSE 0x34
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#define S5P_RSTm_INT_EN_MASK (0x1 << 7)
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#define S5P_RSTm_INT_EN (0x1 << 7)
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#define S5P_DATA_NUM_INT_EN_MASK (0x1 << 6)
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#define S5P_DATA_NUM_INT_EN (0x1 << 6)
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#define S5P_FINAL_MCU_NUM_INT_EN_MASK (0x1 << 5)
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#define S5P_FINAL_MCU_NUM_INT_EN (0x1 << 5)
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/* JPEG interrupt status register */
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#define S5P_JPGINTST 0x38
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#define S5P_RESULT_STAT_SHIFT 6
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#define S5P_RESULT_STAT_MASK (0x1 << S5P_RESULT_STAT_SHIFT)
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#define S5P_STREAM_STAT_SHIFT 5
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#define S5P_STREAM_STAT_MASK (0x1 << S5P_STREAM_STAT_SHIFT)
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/* JPEG command register */
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#define S5P_JPGCOM 0x4c
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#define S5P_INT_RELEASE (0x1 << 2)
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/* Raw image data r/w address register */
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#define S5P_JPG_IMGADR 0x50
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/* JPEG file r/w address register */
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#define S5P_JPG_JPGADR 0x58
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/* Coefficient for RGB-to-YCbCr converter register */
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#define S5P_JPG_COEF(n) (0x5c + (((n) - 1) << 2))
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#define S5P_COEFn_SHIFT(j) ((3 - (j)) << 3)
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#define S5P_COEFn_MASK(j) (0xff << S5P_COEFn_SHIFT(j))
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/* JPEG color mode register */
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#define S5P_JPGCMOD 0x68
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#define S5P_MOD_SEL_MASK (0x7 << 5)
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#define S5P_MOD_SEL_422 (0x1 << 5)
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#define S5P_MOD_SEL_565 (0x2 << 5)
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#define S5P_MODE_Y16_MASK (0x1 << 1)
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#define S5P_MODE_Y16 (0x1 << 1)
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/* JPEG clock control register */
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#define S5P_JPGCLKCON 0x6c
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#define S5P_CLK_DOWN_READY (0x1 << 1)
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#define S5P_POWER_ON (0x1 << 0)
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/* JPEG start register */
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#define S5P_JSTART 0x70
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/* JPEG SW reset register */
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#define S5P_JPG_SW_RESET 0x78
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/* JPEG timer setting register */
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#define S5P_JPG_TIMER_SE 0x7c
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#define S5P_TIMER_INT_EN_MASK (0x1 << 31)
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#define S5P_TIMER_INT_EN (0x1 << 31)
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#define S5P_TIMER_INIT_MASK 0x7fffffff
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/* JPEG timer status register */
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#define S5P_JPG_TIMER_ST 0x80
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#define S5P_TIMER_INT_STAT_SHIFT 31
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#define S5P_TIMER_INT_STAT_MASK (0x1 << S5P_TIMER_INT_STAT_SHIFT)
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#define S5P_TIMER_CNT_SHIFT 0
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#define S5P_TIMER_CNT_MASK 0x7fffffff
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/* JPEG decompression output format register */
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#define S5P_JPG_OUTFORM 0x88
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#define S5P_DEC_OUT_FORMAT_MASK (0x1 << 0)
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#define S5P_DEC_OUT_FORMAT_422 (0x0 << 0)
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#define S5P_DEC_OUT_FORMAT_420 (0x1 << 0)
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/* JPEG version register */
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#define S5P_JPG_VERSION 0x8c
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/* JPEG compressed stream size interrupt setting register */
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#define S5P_JPG_ENC_STREAM_INTSE 0x98
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#define S5P_ENC_STREAM_INT_MASK (0x1 << 24)
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#define S5P_ENC_STREAM_INT_EN (0x1 << 24)
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#define S5P_ENC_STREAM_BOUND_MASK 0xffffff
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/* JPEG compressed stream size interrupt status register */
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#define S5P_JPG_ENC_STREAM_INTST 0x9c
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#define S5P_ENC_STREAM_INT_STAT_MASK 0x1
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/* JPEG quantizer table register */
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#define S5P_JPG_QTBL_CONTENT(n) (0x400 + (n) * 0x100)
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/* JPEG DC Huffman table register */
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#define S5P_JPG_HDCTBL(n) (0x800 + (n) * 0x400)
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/* JPEG DC Huffman table register */
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#define S5P_JPG_HDCTBLG(n) (0x840 + (n) * 0x400)
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/* JPEG AC Huffman table register */
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#define S5P_JPG_HACTBL(n) (0x880 + (n) * 0x400)
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/* JPEG AC Huffman table register */
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#define S5P_JPG_HACTBLG(n) (0x8c0 + (n) * 0x400)
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#endif /* JPEG_REGS_H_ */
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