jpeg-regs.h

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/* linux/drivers/media/platform/s5p-jpeg/jpeg-regs.h
 *
 * Register definition file for Samsung JPEG codec driver
 *
 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 *      http://www.samsung.com
 *
 * Author: Andrzej Pietrasiewicz <[email protected]>
 *
 * 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 JPEG_REGS_H_
#define JPEG_REGS_H_

/* JPEG mode register */
#define S5P_JPGMOD          0x00
#define S5P_PROC_MODE_MASK      (0x1 << 3)
#define S5P_PROC_MODE_DECOMPR       (0x1 << 3)
#define S5P_PROC_MODE_COMPR     (0x0 << 3)
#define S5P_SUBSAMPLING_MODE_MASK   0x7
#define S5P_SUBSAMPLING_MODE_444    (0x0 << 0)
#define S5P_SUBSAMPLING_MODE_422    (0x1 << 0)
#define S5P_SUBSAMPLING_MODE_420    (0x2 << 0)
#define S5P_SUBSAMPLING_MODE_GRAY   (0x3 << 0)

/* JPEG operation status register */
#define S5P_JPGOPR          0x04

/* Quantization tables*/
#define S5P_JPG_QTBL            0x08
#define S5P_QT_NUMt_SHIFT(t)        (((t) - 1) << 1)
#define S5P_QT_NUMt_MASK(t)     (0x3 << S5P_QT_NUMt_SHIFT(t))

/* Huffman tables */
#define S5P_JPG_HTBL            0x0c
#define S5P_HT_NUMt_AC_SHIFT(t)     (((t) << 1) - 1)
#define S5P_HT_NUMt_AC_MASK(t)      (0x1 << S5P_HT_NUMt_AC_SHIFT(t))

#define S5P_HT_NUMt_DC_SHIFT(t)     (((t) - 1) << 1)
#define S5P_HT_NUMt_DC_MASK(t)      (0x1 << S5P_HT_NUMt_DC_SHIFT(t))

/* JPEG restart interval register upper byte */
#define S5P_JPGDRI_U            0x10

/* JPEG restart interval register lower byte */
#define S5P_JPGDRI_L            0x14

/* JPEG vertical resolution register upper byte */
#define S5P_JPGY_U          0x18

/* JPEG vertical resolution register lower byte */
#define S5P_JPGY_L          0x1c

/* JPEG horizontal resolution register upper byte */
#define S5P_JPGX_U          0x20

/* JPEG horizontal resolution register lower byte */
#define S5P_JPGX_L          0x24

/* JPEG byte count register upper byte */
#define S5P_JPGCNT_U            0x28

/* JPEG byte count register middle byte */
#define S5P_JPGCNT_M            0x2c

/* JPEG byte count register lower byte */
#define S5P_JPGCNT_L            0x30

/* JPEG interrupt setting register */
#define S5P_JPGINTSE            0x34
#define S5P_RSTm_INT_EN_MASK        (0x1 << 7)
#define S5P_RSTm_INT_EN         (0x1 << 7)
#define S5P_DATA_NUM_INT_EN_MASK    (0x1 << 6)
#define S5P_DATA_NUM_INT_EN     (0x1 << 6)
#define S5P_FINAL_MCU_NUM_INT_EN_MASK   (0x1 << 5)
#define S5P_FINAL_MCU_NUM_INT_EN    (0x1 << 5)

/* JPEG interrupt status register */
#define S5P_JPGINTST            0x38
#define S5P_RESULT_STAT_SHIFT       6
#define S5P_RESULT_STAT_MASK        (0x1 << S5P_RESULT_STAT_SHIFT)
#define S5P_STREAM_STAT_SHIFT       5
#define S5P_STREAM_STAT_MASK        (0x1 << S5P_STREAM_STAT_SHIFT)

/* JPEG command register */
#define S5P_JPGCOM          0x4c
#define S5P_INT_RELEASE         (0x1 << 2)

/* Raw image data r/w address register */
#define S5P_JPG_IMGADR          0x50

/* JPEG file r/w address register */
#define S5P_JPG_JPGADR          0x58

/* Coefficient for RGB-to-YCbCr converter register */
#define S5P_JPG_COEF(n)         (0x5c + (((n) - 1) << 2))
#define S5P_COEFn_SHIFT(j)      ((3 - (j)) << 3)
#define S5P_COEFn_MASK(j)       (0xff << S5P_COEFn_SHIFT(j))

/* JPEG color mode register */
#define S5P_JPGCMOD         0x68
#define S5P_MOD_SEL_MASK        (0x7 << 5)
#define S5P_MOD_SEL_422         (0x1 << 5)
#define S5P_MOD_SEL_565         (0x2 << 5)
#define S5P_MODE_Y16_MASK       (0x1 << 1)
#define S5P_MODE_Y16            (0x1 << 1)

/* JPEG clock control register */
#define S5P_JPGCLKCON           0x6c
#define S5P_CLK_DOWN_READY      (0x1 << 1)
#define S5P_POWER_ON            (0x1 << 0)

/* JPEG start register */
#define S5P_JSTART          0x70

/* JPEG SW reset register */
#define S5P_JPG_SW_RESET        0x78

/* JPEG timer setting register */
#define S5P_JPG_TIMER_SE        0x7c
#define S5P_TIMER_INT_EN_MASK       (0x1 << 31)
#define S5P_TIMER_INT_EN        (0x1 << 31)
#define S5P_TIMER_INIT_MASK     0x7fffffff

/* JPEG timer status register */
#define S5P_JPG_TIMER_ST        0x80
#define S5P_TIMER_INT_STAT_SHIFT    31
#define S5P_TIMER_INT_STAT_MASK     (0x1 << S5P_TIMER_INT_STAT_SHIFT)
#define S5P_TIMER_CNT_SHIFT     0
#define S5P_TIMER_CNT_MASK      0x7fffffff

/* JPEG decompression output format register */
#define S5P_JPG_OUTFORM         0x88
#define S5P_DEC_OUT_FORMAT_MASK     (0x1 << 0)
#define S5P_DEC_OUT_FORMAT_422      (0x0 << 0)
#define S5P_DEC_OUT_FORMAT_420      (0x1 << 0)

/* JPEG version register */
#define S5P_JPG_VERSION         0x8c

/* JPEG compressed stream size interrupt setting register */
#define S5P_JPG_ENC_STREAM_INTSE    0x98
#define S5P_ENC_STREAM_INT_MASK     (0x1 << 24)
#define S5P_ENC_STREAM_INT_EN       (0x1 << 24)
#define S5P_ENC_STREAM_BOUND_MASK   0xffffff

/* JPEG compressed stream size interrupt status register */
#define S5P_JPG_ENC_STREAM_INTST    0x9c
#define S5P_ENC_STREAM_INT_STAT_MASK    0x1

/* JPEG quantizer table register */
#define S5P_JPG_QTBL_CONTENT(n)     (0x400 + (n) * 0x100)

/* JPEG DC Huffman table register */
#define S5P_JPG_HDCTBL(n)       (0x800 + (n) * 0x400)

/* JPEG DC Huffman table register */
#define S5P_JPG_HDCTBLG(n)      (0x840 + (n) * 0x400)

/* JPEG AC Huffman table register */
#define S5P_JPG_HACTBL(n)       (0x880 + (n) * 0x400)

/* JPEG AC Huffman table register */
#define S5P_JPG_HACTBLG(n)      (0x8c0 + (n) * 0x400)

#endif /* JPEG_REGS_H_ */