Release 4.7 drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c

Directory: drivers/media/platform/s5p-jpeg
/* Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *              http://www.samsung.com/
 *
 * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
 *
 * Register interface file for JPEG driver on Exynos4x12.
 *
 * 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.
 */
#include <linux/io.h>
#include <linux/delay.h>

#include "jpeg-core.h"
#include "jpeg-hw-exynos4.h"
#include "jpeg-regs.h"



void exynos4_jpeg_sw_reset(void __iomem *base)
{
	unsigned int reg;

	reg = readl(base + EXYNOS4_JPEG_CNTL_REG);
	writel(reg & ~EXYNOS4_SOFT_RESET_HI, base + EXYNOS4_JPEG_CNTL_REG);

	udelay(100);

	writel(reg | EXYNOS4_SOFT_RESET_HI, base + EXYNOS4_JPEG_CNTL_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 49 96.08% 1 50.00%
mauro carvalho chehab mauro carvalho chehab 2 3.92% 1 50.00%
Total 51 100.00% 2 100.00%



void exynos4_jpeg_set_enc_dec_mode(void __iomem *base, unsigned int mode)
{
	unsigned int reg;

	reg = readl(base + EXYNOS4_JPEG_CNTL_REG);
	/* set exynos4_jpeg mod register */
	if (mode == S5P_JPEG_DECODE) {
		writel((reg & EXYNOS4_ENC_DEC_MODE_MASK) |
					EXYNOS4_DEC_MODE,
			base + EXYNOS4_JPEG_CNTL_REG);
	} else {/* encode */
		writel((reg & EXYNOS4_ENC_DEC_MODE_MASK) |
					EXYNOS4_ENC_MODE,
			base + EXYNOS4_JPEG_CNTL_REG);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 70 100.00% 1 100.00%
Total 70 100.00% 1 100.00%



void __exynos4_jpeg_set_img_fmt(void __iomem *base, unsigned int img_fmt,
				unsigned int version)
{
	unsigned int reg;
	unsigned int exynos4_swap_chroma_cbcr;
	unsigned int exynos4_swap_chroma_crcb;

	if (version == SJPEG_EXYNOS4) {
		exynos4_swap_chroma_cbcr = EXYNOS4_SWAP_CHROMA_CBCR;
		exynos4_swap_chroma_crcb = EXYNOS4_SWAP_CHROMA_CRCB;
	} else {
		exynos4_swap_chroma_cbcr = EXYNOS5433_SWAP_CHROMA_CBCR;
		exynos4_swap_chroma_crcb = EXYNOS5433_SWAP_CHROMA_CRCB;
	}

	reg = readl(base + EXYNOS4_IMG_FMT_REG) &
			EXYNOS4_ENC_IN_FMT_MASK; /* clear except enc format */

	switch (img_fmt) {
	case V4L2_PIX_FMT_GREY:
		reg = reg | EXYNOS4_ENC_GRAY_IMG | EXYNOS4_GRAY_IMG_IP;
		break;
	case V4L2_PIX_FMT_RGB32:
		reg = reg | EXYNOS4_ENC_RGB_IMG |
				EXYNOS4_RGB_IP_RGB_32BIT_IMG;
		break;
	case V4L2_PIX_FMT_RGB565:
		reg = reg | EXYNOS4_ENC_RGB_IMG |
				EXYNOS4_RGB_IP_RGB_16BIT_IMG;
		break;
	case V4L2_PIX_FMT_NV24:
		reg = reg | EXYNOS4_ENC_YUV_444_IMG |
				EXYNOS4_YUV_444_IP_YUV_444_2P_IMG |
				exynos4_swap_chroma_cbcr;
		break;
	case V4L2_PIX_FMT_NV42:
		reg = reg | EXYNOS4_ENC_YUV_444_IMG |
				EXYNOS4_YUV_444_IP_YUV_444_2P_IMG |
				exynos4_swap_chroma_crcb;
		break;
	case V4L2_PIX_FMT_YUYV:
		reg = reg | EXYNOS4_DEC_YUV_422_IMG |
				EXYNOS4_YUV_422_IP_YUV_422_1P_IMG |
				exynos4_swap_chroma_cbcr;
		break;

	case V4L2_PIX_FMT_YVYU:
		reg = reg | EXYNOS4_DEC_YUV_422_IMG |
				EXYNOS4_YUV_422_IP_YUV_422_1P_IMG |
				exynos4_swap_chroma_crcb;
		break;
	case V4L2_PIX_FMT_NV16:
		reg = reg | EXYNOS4_DEC_YUV_422_IMG |
				EXYNOS4_YUV_422_IP_YUV_422_2P_IMG |
				exynos4_swap_chroma_cbcr;
		break;
	case V4L2_PIX_FMT_NV61:
		reg = reg | EXYNOS4_DEC_YUV_422_IMG |
				EXYNOS4_YUV_422_IP_YUV_422_2P_IMG |
				exynos4_swap_chroma_crcb;
		break;
	case V4L2_PIX_FMT_NV12:
		reg = reg | EXYNOS4_DEC_YUV_420_IMG |
				EXYNOS4_YUV_420_IP_YUV_420_2P_IMG |
				exynos4_swap_chroma_cbcr;
		break;
	case V4L2_PIX_FMT_NV21:
		reg = reg | EXYNOS4_DEC_YUV_420_IMG |
				EXYNOS4_YUV_420_IP_YUV_420_2P_IMG |
				exynos4_swap_chroma_crcb;
		break;
	case V4L2_PIX_FMT_YUV420:
		reg = reg | EXYNOS4_DEC_YUV_420_IMG |
				EXYNOS4_YUV_420_IP_YUV_420_3P_IMG |
				exynos4_swap_chroma_cbcr;
		break;
	default:
		break;

	}

	writel(reg, base + EXYNOS4_IMG_FMT_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 199 80.24% 1 50.00%
andrzej pietrasiewicz andrzej pietrasiewicz 49 19.76% 1 50.00%
Total 248 100.00% 2 100.00%



void __exynos4_jpeg_set_enc_out_fmt(void __iomem *base, unsigned int out_fmt,
				    unsigned int version)
{
	unsigned int reg;

	reg = readl(base + EXYNOS4_IMG_FMT_REG) &
			~(version == SJPEG_EXYNOS4 ? EXYNOS4_ENC_FMT_MASK :
			  EXYNOS5433_ENC_FMT_MASK); /* clear enc format */

	switch (out_fmt) {
	case V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY:
		reg = reg | EXYNOS4_ENC_FMT_GRAY;
		break;

	case V4L2_JPEG_CHROMA_SUBSAMPLING_444:
		reg = reg | EXYNOS4_ENC_FMT_YUV_444;
		break;

	case V4L2_JPEG_CHROMA_SUBSAMPLING_422:
		reg = reg | EXYNOS4_ENC_FMT_YUV_422;
		break;

	case V4L2_JPEG_CHROMA_SUBSAMPLING_420:
		reg = reg | EXYNOS4_ENC_FMT_YUV_420;
		break;

	default:
		break;
	}

	writel(reg, base + EXYNOS4_IMG_FMT_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 87 87.00% 1 50.00%
andrzej pietrasiewicz andrzej pietrasiewicz 13 13.00% 1 50.00%
Total 100 100.00% 2 100.00%



void exynos4_jpeg_set_interrupt(void __iomem *base, unsigned int version)
{
	unsigned int reg;

	if (version == SJPEG_EXYNOS4) {
		reg = readl(base + EXYNOS4_INT_EN_REG) & ~EXYNOS4_INT_EN_MASK;
		writel(reg | EXYNOS4_INT_EN_ALL, base + EXYNOS4_INT_EN_REG);
	} else {
		reg = readl(base + EXYNOS4_INT_EN_REG) &
							~EXYNOS5433_INT_EN_MASK;
		writel(reg | EXYNOS5433_INT_EN_ALL, base + EXYNOS4_INT_EN_REG);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
andrzej pietrasiewicz andrzej pietrasiewicz 56 74.67% 1 50.00%
jacek anaszewski jacek anaszewski 19 25.33% 1 50.00%
Total 75 100.00% 2 100.00%



unsigned int exynos4_jpeg_get_int_status(void __iomem *base)
{
	unsigned int	int_status;

	int_status = readl(base + EXYNOS4_INT_STATUS_REG);

	return int_status;
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 27 100.00% 1 100.00%
Total 27 100.00% 1 100.00%



unsigned int exynos4_jpeg_get_fifo_status(void __iomem *base)
{
	unsigned int fifo_status;

	fifo_status = readl(base + EXYNOS4_FIFO_STATUS_REG);

	return fifo_status;
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 27 100.00% 1 100.00%
Total 27 100.00% 1 100.00%



void exynos4_jpeg_set_huf_table_enable(void __iomem *base, int value)
{
	unsigned int	reg;

	reg = readl(base + EXYNOS4_JPEG_CNTL_REG) & ~EXYNOS4_HUF_TBL_EN;

	if (value == 1)
		writel(reg | EXYNOS4_HUF_TBL_EN,
					base + EXYNOS4_JPEG_CNTL_REG);
	else
		writel(reg & ~EXYNOS4_HUF_TBL_EN,
					base + EXYNOS4_JPEG_CNTL_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 59 100.00% 2 100.00%
Total 59 100.00% 2 100.00%



void exynos4_jpeg_set_sys_int_enable(void __iomem *base, int value)
{
	unsigned int	reg;

	reg = readl(base + EXYNOS4_JPEG_CNTL_REG) & ~(EXYNOS4_SYS_INT_EN);

	if (value == 1)
		writel(reg | EXYNOS4_SYS_INT_EN, base + EXYNOS4_JPEG_CNTL_REG);
	else
		writel(reg & ~EXYNOS4_SYS_INT_EN, base + EXYNOS4_JPEG_CNTL_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 61 100.00% 2 100.00%
Total 61 100.00% 2 100.00%



void exynos4_jpeg_set_stream_buf_address(void __iomem *base,
					 unsigned int address)
{
	writel(address, base + EXYNOS4_OUT_MEM_BASE_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%



void exynos4_jpeg_set_stream_size(void __iomem *base,
		unsigned int x_value, unsigned int y_value)
{
	writel(0x0, base + EXYNOS4_JPEG_IMG_SIZE_REG); /* clear */
	writel(EXYNOS4_X_SIZE(x_value) | EXYNOS4_Y_SIZE(y_value),
			base + EXYNOS4_JPEG_IMG_SIZE_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 45 100.00% 1 100.00%
Total 45 100.00% 1 100.00%



void exynos4_jpeg_set_frame_buf_address(void __iomem *base,
				struct s5p_jpeg_addr *exynos4_jpeg_addr)
{
	writel(exynos4_jpeg_addr->y, base + EXYNOS4_IMG_BA_PLANE_1_REG);
	writel(exynos4_jpeg_addr->cb, base + EXYNOS4_IMG_BA_PLANE_2_REG);
	writel(exynos4_jpeg_addr->cr, base + EXYNOS4_IMG_BA_PLANE_3_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 48 100.00% 1 100.00%
Total 48 100.00% 1 100.00%



void exynos4_jpeg_set_encode_tbl_select(void __iomem *base,
		enum exynos4_jpeg_img_quality_level level)
{
	unsigned int	reg;

	reg = EXYNOS4_Q_TBL_COMP1_0 | EXYNOS4_Q_TBL_COMP2_1 |
		EXYNOS4_Q_TBL_COMP3_1 |
		EXYNOS4_HUFF_TBL_COMP1_AC_0_DC_1 |
		EXYNOS4_HUFF_TBL_COMP2_AC_0_DC_0 |
		EXYNOS4_HUFF_TBL_COMP3_AC_1_DC_1;

	writel(reg, base + EXYNOS4_TBL_SEL_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 38 92.68% 1 50.00%
andrzej pietrasiewicz andrzej pietrasiewicz 3 7.32% 1 50.00%
Total 41 100.00% 2 100.00%



void exynos4_jpeg_set_dec_components(void __iomem *base, int n)
{
	unsigned int	reg;

	reg = readl(base + EXYNOS4_TBL_SEL_REG);

	reg |= EXYNOS4_NF(n);
	writel(reg, base + EXYNOS4_TBL_SEL_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
andrzej pietrasiewicz andrzej pietrasiewicz 42 100.00% 1 100.00%
Total 42 100.00% 1 100.00%



void exynos4_jpeg_select_dec_q_tbl(void __iomem *base, char c, char x)
{
	unsigned int	reg;

	reg = readl(base + EXYNOS4_TBL_SEL_REG);

	reg |= EXYNOS4_Q_TBL_COMP(c, x);
	writel(reg, base + EXYNOS4_TBL_SEL_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
andrzej pietrasiewicz andrzej pietrasiewicz 47 100.00% 1 100.00%
Total 47 100.00% 1 100.00%



void exynos4_jpeg_select_dec_h_tbl(void __iomem *base, char c, char x)
{
	unsigned int	reg;

	reg = readl(base + EXYNOS4_TBL_SEL_REG);

	reg |= EXYNOS4_HUFF_TBL_COMP(c, x);
	writel(reg, base + EXYNOS4_TBL_SEL_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
andrzej pietrasiewicz andrzej pietrasiewicz 44 93.62% 1 50.00%
jacek anaszewski jacek anaszewski 3 6.38% 1 50.00%
Total 47 100.00% 2 100.00%



void exynos4_jpeg_set_encode_hoff_cnt(void __iomem *base, unsigned int fmt)
{
	if (fmt == V4L2_PIX_FMT_GREY)
		writel(0xd2, base + EXYNOS4_HUFF_CNT_REG);
	else
		writel(0x1a2, base + EXYNOS4_HUFF_CNT_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 39 100.00% 1 100.00%
Total 39 100.00% 1 100.00%



unsigned int exynos4_jpeg_get_stream_size(void __iomem *base)
{
	unsigned int size;

	size = readl(base + EXYNOS4_BITSTREAM_SIZE_REG);
	return size;
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 27 100.00% 1 100.00%
Total 27 100.00% 1 100.00%



void exynos4_jpeg_set_dec_bitstream_size(void __iomem *base, unsigned int size)
{
	writel(size, base + EXYNOS4_BITSTREAM_SIZE_REG);
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%



void exynos4_jpeg_get_frame_size(void __iomem *base,
			unsigned int *width, unsigned int *height)
{
	*width = (readl(base + EXYNOS4_DECODE_XY_SIZE_REG) &
				EXYNOS4_DECODED_SIZE_MASK);
	*height = (readl(base + EXYNOS4_DECODE_XY_SIZE_REG) >> 16) &
				EXYNOS4_DECODED_SIZE_MASK;
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 50 100.00% 1 100.00%
Total 50 100.00% 1 100.00%



unsigned int exynos4_jpeg_get_frame_fmt(void __iomem *base)
{
	return readl(base + EXYNOS4_DECODE_IMG_FMT_REG) &
				EXYNOS4_JPEG_DECODED_IMG_FMT_MASK;
}

Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 21 100.00% 1 100.00%
Total 21 100.00% 1 100.00%



void exynos4_jpeg_set_timer_count(void __iomem *base, unsigned int size)
{
	writel(size, base + EXYNOS4_INT_TIMER_COUNT_REG);
}
Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
jacek anaszewski jacek anaszewski 954 78.84% 3 60.00%
andrzej pietrasiewicz andrzej pietrasiewicz 254 20.99% 1 20.00%
mauro carvalho chehab mauro carvalho chehab 2 0.17% 1 20.00%
Total 1210 100.00% 5 100.00%
  Directory: drivers/media/platform/s5p-jpeg

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
jacek anaszewski	jacek anaszewski	49	96.08%	1	50.00%
mauro carvalho chehab	mauro carvalho chehab	2	3.92%	1	50.00%
	Total	51	100.00%	2	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c

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