/*
 * linux-3.10/drivers/media/platform/sunxi-vin/vin-csi/bsp_csi.c
 *
 * Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

/*
 * sunxi csi bsp interface
 * Author:raymonxiu
 */

#include "bsp_csi.h"

static struct frame_arrange frm_arrange_gbl[MAX_CSI];
static unsigned int line_stride_y_ch_gbl[MAX_CSI][MAX_CH_NUM];
static unsigned int line_stride_c_ch_gbl[MAX_CSI][MAX_CH_NUM];
static unsigned int buf_height_y_ch_gbl[MAX_CSI][MAX_CH_NUM];
static unsigned int buf_height_cb_ch_gbl[MAX_CSI][MAX_CH_NUM];
static unsigned int buf_height_cr_ch_gbl[MAX_CSI][MAX_CH_NUM];
static unsigned int line_stride_y_row_gbl[MAX_CSI][MAX_CH_NUM];
static unsigned int line_stride_c_row_gbl[MAX_CSI][MAX_CH_NUM];

int bsp_csi_set_base_addr(unsigned int sel, unsigned long addr)
{
	return csi_set_base_addr(sel, addr);
}

void bsp_csi_enable(unsigned int sel)
{
	csi_enable(sel);
}

void bsp_csi_disable(unsigned int sel)
{
	csi_disable(sel);
}

void bsp_csi_reset(unsigned int sel)
{
	csi_disable(sel);
	csi_enable(sel);
}

/* bsp_csi_set_fmt
 * function:
 * set csi timing/format/size, return 0(ok) or -1(error)
 *
 * struct bus_info
 * {
 *  enum   v4l2_mbus_type       bus_if;
 *  struct  bus_timing      bus_tmg;
 *  enum   v4l2_mbus_pixelcode    bus_ch_fmt[MAX_CH_NUM];
 *  unsigned int        ch_total_num;
 * };
 *
 * struct frame_info
 * {
 *   struct frame_arrange  arrange;
 *   struct frame_size     ch_size[MAX_CH_NUM];
 *   struct frame_offset   ch_offset[MAX_CH_NUM];
 *   unsigned int     pix_ch_fmt[MAX_CH_NUM];
 *   enum field      ch_field[MAX_CH_NUM];
 *   unsigned int      frm_byte_size;
 * };
 *
 * input parameters:
 * bus_if,
 * bus_tmg,
 * bus_ch_fmt,
 * ch_total_num,
 * pix_ch_fmt,
 * ch_field,
 *
 * output parameters:
 * none
 */

int bsp_csi_set_fmt(unsigned int sel, struct bus_info *bus_info,
		    struct frame_info *frame_info)
{
	struct csi_if_cfg if_cfg;
	struct csi_timing_cfg tmg_cfg;
	struct csi_fmt_cfg fmt_cfg[MAX_CH_NUM];
	unsigned int is_buf_itl[MAX_CH_NUM];
	enum bus_pixeltype bus_pix_type[MAX_CH_NUM];
	enum bit_width bus_width[MAX_CH_NUM];
	enum bit_width bus_precision[MAX_CH_NUM];

	unsigned int ch;

	switch (bus_info->bus_if) {
	case V4L2_MBUS_PARALLEL:
		if_cfg.interface = CSI_IF_INTLV;
		break;
	case V4L2_MBUS_BT656:
		if_cfg.interface = CSI_IF_CCIR656_1CH;
		break;
	case V4L2_MBUS_CSI2:
		if_cfg.interface = CSI_IF_MIPI;
		break;
	default:
		return -1;
	}

	for (ch = 0; ch < bus_info->ch_total_num; ch++) {
		/*get bus pixel type, bus width and bus data precision
		 *depends on bus format
		 */
		bus_pix_type[ch] = find_bus_type(bus_info->bus_ch_fmt[ch]);
		bus_width[ch] = find_bus_width(bus_info->bus_ch_fmt[ch]);
		bus_precision[ch] =
		    find_bus_precision(bus_info->bus_ch_fmt[ch]);

		if (if_cfg.interface != CSI_IF_MIPI)
			if_cfg.data_width = bus_width[ch];

		/*set csi field info
		 *depends on field format
		 */
		switch (frame_info->ch_field[ch]) {
		case V4L2_FIELD_ANY:
		case V4L2_FIELD_NONE:
			if_cfg.src_type = CSI_PROGRESSIVE;
			fmt_cfg[ch].field_sel = CSI_EITHER;
			break;
		case V4L2_FIELD_TOP:
			if_cfg.src_type = CSI_INTERLACE;
			fmt_cfg[ch].field_sel = CSI_ODD;
			break;
		case V4L2_FIELD_BOTTOM:
			if_cfg.src_type = CSI_INTERLACE;
			fmt_cfg[ch].field_sel = CSI_EVEN;
			break;
		case V4L2_FIELD_INTERLACED:
		case V4L2_FIELD_INTERLACED_TB:
			if_cfg.src_type = CSI_INTERLACE;
			tmg_cfg.field = CSI_FIELD_TF;
			fmt_cfg[ch].field_sel = CSI_EITHER;
			break;
		case V4L2_FIELD_INTERLACED_BT:
			if_cfg.src_type = CSI_INTERLACE;
			tmg_cfg.field = CSI_FIELD_BF;
			fmt_cfg[ch].field_sel = CSI_EITHER;
			break;
		default:
			return -1;
		}

		/*if the target frame buffer is interlaced
		 *depends on field format
		 */
		if (frame_info->ch_field[ch] == V4L2_FIELD_INTERLACED ||
		    frame_info->ch_field[ch] == V4L2_FIELD_INTERLACED_TB ||
		    frame_info->ch_field[ch] == V4L2_FIELD_INTERLACED_BT)
			is_buf_itl[ch] = 1;
		else
			is_buf_itl[ch] = 0;

		/*set input/output format and size/line stride/offset
		*depends on bus format, bus precision,
		*target frame format, field format
		*/
		switch (frame_info->pix_ch_fmt[ch]) {
		case V4L2_PIX_FMT_RGB565:
			if (bus_pix_type[ch] == BUS_FMT_RGB565) {
				fmt_cfg[ch].input_fmt = CSI_RAW;
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RGB565 : CSI_FIELD_RGB565;
			} else {
				return -1;
			}
			break;
		case V4L2_PIX_FMT_RGB24:
			if (bus_pix_type[ch] == BUS_FMT_RGB888) {
				fmt_cfg[ch].input_fmt = CSI_RAW;
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RGB888 : CSI_FIELD_RGB888;
			} else {
				return -1;
			}
			break;
		case V4L2_PIX_FMT_RGB32:
			if (bus_pix_type[ch] == BUS_FMT_RGB888) {
				fmt_cfg[ch].input_fmt = CSI_RAW;
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_PRGB888 : CSI_FIELD_PRGB888;
			} else {
				return -1;
			}
			break;
		case V4L2_PIX_FMT_YUYV:
			if (bus_pix_type[ch] == BUS_FMT_YUYV) {
				fmt_cfg[ch].input_fmt = CSI_RAW;
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_8 : CSI_FIELD_RAW_8;
			} else {
				return -1;
			}
			break;
		case V4L2_PIX_FMT_YVYU:
			if (bus_pix_type[ch] == BUS_FMT_YVYU) {
				fmt_cfg[ch].input_fmt = CSI_RAW;
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_8 : CSI_FIELD_RAW_8;
			} else {
				return -1;
			}
			break;
		case V4L2_PIX_FMT_UYVY:
			if (bus_pix_type[ch] == BUS_FMT_UYVY) {
				fmt_cfg[ch].input_fmt = CSI_RAW;
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_8 : CSI_FIELD_RAW_8;
			} else {
				return -1;
			}
			break;
		case V4L2_PIX_FMT_VYUY:
			if (bus_pix_type[ch] == BUS_FMT_VYUY) {
				fmt_cfg[ch].input_fmt = CSI_RAW;
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_8 : CSI_FIELD_RAW_8;
			} else {
				return -1;
			}
			break;
		case V4L2_PIX_FMT_YUV420:
		case V4L2_PIX_FMT_YVU420:
		case V4L2_PIX_FMT_YUV420M:
		case V4L2_PIX_FMT_YVU420M:
		case V4L2_PIX_FMT_NV12:
		case V4L2_PIX_FMT_NV21:
		case V4L2_PIX_FMT_NV21M:
		case V4L2_PIX_FMT_NV12M:
			if (bus_pix_type[ch] == BUS_FMT_YUYV ||
			    bus_pix_type[ch] == BUS_FMT_YVYU ||
			    bus_pix_type[ch] == BUS_FMT_UYVY ||
			    bus_pix_type[ch] == BUS_FMT_VYUY)
				fmt_cfg[ch].input_fmt = CSI_YUV422;
			else if (bus_pix_type[ch] == BUS_FMT_YY_YUYV ||
				 bus_pix_type[ch] == BUS_FMT_YY_YVYU ||
				 bus_pix_type[ch] == BUS_FMT_YY_UYVY ||
				 bus_pix_type[ch] == BUS_FMT_YY_VYUY)
				fmt_cfg[ch].input_fmt = CSI_YUV420;
			else if (bus_pix_type[ch] == BUS_FMT_SBGGR ||
				 bus_pix_type[ch] == BUS_FMT_SGBRG ||
				 bus_pix_type[ch] == BUS_FMT_SRGGB ||
				 bus_pix_type[ch] == BUS_FMT_SGRBG)
				fmt_cfg[ch].input_fmt = CSI_RAW; /*parse to isp*/
			if (fmt_cfg[ch].input_fmt == CSI_YUV422 ||
			    fmt_cfg[ch].input_fmt == CSI_YUV420) {
				if (frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_YUV420
				    || frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_YVU420
				    || frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_YUV420M
				    || frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_YVU420M)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] == 1) ? CSI_FRAME_PLANAR_YUV420 :
					    CSI_FIELD_PLANAR_YUV420;
				else if (frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_NV12
					 || frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_NV21
					 || frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_NV12M
					 || frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_NV21M)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] == 1) ? CSI_FRAME_UV_CB_YUV420 :
					    CSI_FIELD_UV_CB_YUV420;
			} else {
				if (bus_precision[ch] == W_8BIT)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] ==
					     1) ? CSI_FRAME_RAW_8 :
					    CSI_FIELD_RAW_8;
				else if (bus_precision[ch] == W_10BIT)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] ==
					     1) ? CSI_FRAME_RAW_10 :
					    CSI_FIELD_RAW_10;
				else if (bus_precision[ch] == W_12BIT)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] ==
					     1) ? CSI_FRAME_RAW_12 :
					    CSI_FIELD_RAW_12;
			}
			break;
		case V4L2_PIX_FMT_YUV422P:
		case V4L2_PIX_FMT_NV16:
		case V4L2_PIX_FMT_NV61:
			if (bus_pix_type[ch] == BUS_FMT_YUYV ||
			    bus_pix_type[ch] == BUS_FMT_YVYU ||
			    bus_pix_type[ch] == BUS_FMT_UYVY ||
			    bus_pix_type[ch] == BUS_FMT_VYUY)
				fmt_cfg[ch].input_fmt = CSI_YUV422;
			else if (bus_pix_type[ch] == BUS_FMT_SBGGR ||
				 bus_pix_type[ch] == BUS_FMT_SGBRG ||
				 bus_pix_type[ch] == BUS_FMT_SRGGB ||
				 bus_pix_type[ch] == BUS_FMT_SGRBG)
				fmt_cfg[ch].input_fmt = CSI_RAW; /*parse to isp*/
			if (fmt_cfg[ch].input_fmt == CSI_YUV422) {
				if (frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_YUV422P)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] ==
					     1) ? CSI_FRAME_PLANAR_YUV422 :
					    CSI_FIELD_PLANAR_YUV422;
				else if (frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_NV16
					 || frame_info->pix_ch_fmt[ch] == V4L2_PIX_FMT_NV61)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] == 1) ? CSI_FRAME_UV_CB_YUV422 : CSI_FIELD_UV_CB_YUV422;
			} else {
				if (bus_precision[ch] == W_8BIT)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_8 : CSI_FIELD_RAW_8;
				else if (bus_precision[ch] == W_10BIT)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_10 : CSI_FIELD_RAW_10;
				else if (bus_precision[ch] == W_12BIT)
					fmt_cfg[ch].output_fmt =
					    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_12 : CSI_FIELD_RAW_12;
			}
			break;
		case V4L2_PIX_FMT_SBGGR8: /*all below are for debug*/
		case V4L2_PIX_FMT_SGBRG8:
		case V4L2_PIX_FMT_SGRBG8:
		case V4L2_PIX_FMT_SRGGB8:
		case V4L2_PIX_FMT_SBGGR10:
		case V4L2_PIX_FMT_SGBRG10:
		case V4L2_PIX_FMT_SGRBG10:
		case V4L2_PIX_FMT_SRGGB10:
		case V4L2_PIX_FMT_SBGGR12:
		case V4L2_PIX_FMT_SGBRG12:
		case V4L2_PIX_FMT_SGRBG12:
		case V4L2_PIX_FMT_SRGGB12:
			fmt_cfg[ch].input_fmt = CSI_RAW;
			if (bus_precision[ch] == W_8BIT)
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_8 : CSI_FIELD_RAW_8;
			else if (bus_precision[ch] == W_10BIT)
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_10 : CSI_FIELD_RAW_10;
			else if (bus_precision[ch] == W_12BIT)
				fmt_cfg[ch].output_fmt =
				    (is_buf_itl[ch] == 1) ? CSI_FRAME_RAW_12 : CSI_FIELD_RAW_12;
			break;
		default:
			return -1;
		}

		/*change input sequence
		 *depends on bus format and target frame format
		 */
		switch (frame_info->pix_ch_fmt[ch]) {
		case V4L2_PIX_FMT_YUV420:
		case V4L2_PIX_FMT_YUV420M:
		case V4L2_PIX_FMT_NV12:
		case V4L2_PIX_FMT_NV12M:
		case V4L2_PIX_FMT_YUV422P:
		case V4L2_PIX_FMT_NV16:
			if (bus_pix_type[ch] == BUS_FMT_YUYV)
				fmt_cfg[ch].input_seq = CSI_YUYV;
			else if (bus_pix_type[ch] == BUS_FMT_YVYU)
				fmt_cfg[ch].input_seq = CSI_YVYU;
			else if (bus_pix_type[ch] == BUS_FMT_UYVY)
				fmt_cfg[ch].input_seq = CSI_UYVY;
			else if (bus_pix_type[ch] == BUS_FMT_VYUY)
				fmt_cfg[ch].input_seq = CSI_VYUY;
			break;
		case V4L2_PIX_FMT_YVU420:
		case V4L2_PIX_FMT_YVU420M:
		case V4L2_PIX_FMT_NV21:
		case V4L2_PIX_FMT_NV21M:
		case V4L2_PIX_FMT_NV61:
			if (bus_pix_type[ch] == BUS_FMT_YUYV)
				fmt_cfg[ch].input_seq = CSI_YVYU;
			else if (bus_pix_type[ch] == BUS_FMT_YVYU)
				fmt_cfg[ch].input_seq = CSI_YUYV;
			else if (bus_pix_type[ch] == BUS_FMT_UYVY)
				fmt_cfg[ch].input_seq = CSI_VYUY;
			else if (bus_pix_type[ch] == BUS_FMT_VYUY)
				fmt_cfg[ch].input_seq = CSI_UYVY;
			break;
		default:
			fmt_cfg[ch].input_seq = CSI_UYVY;
			break;
		}
		csi_fmt_cfg(sel, ch, &fmt_cfg[ch]);
	}
	csi_if_cfg(sel, &if_cfg);
	/*set csi timing parameter*/
	tmg_cfg.href = bus_info->bus_tmg.href_pol;
	tmg_cfg.vref = bus_info->bus_tmg.vref_pol;
	tmg_cfg.sample = bus_info->bus_tmg.pclk_sample;
	tmg_cfg.field = 0;
	csi_timing_cfg(sel, &tmg_cfg);
	return 0;
}

/* bsp_csi_set_size
 * function:
 * set csi timing/format/size, return 0(ok) or -1(error)
 *
 * struct bus_info
 * {
 *  enum   v4l2_mbus_type           bus_if;
 *  struct  bus_timing      bus_tmg;
 *  enum   v4l2_mbus_pixelcode    bus_ch_fmt[MAX_CH_NUM];
 *  unsigned int            ch_total_num;
 * };
 *
 * struct frame_info
 * {
 *   struct frame_arrange  arrange;
 *   struct frame_size     ch_size[MAX_CH_NUM];
 *   struct frame_offset   ch_offset[MAX_CH_NUM];
 *   unsigned int        pix_ch_fmt[MAX_CH_NUM];
 *   enum field            ch_field[MAX_CH_NUM];
 *   unsigned int          frm_byte_size;
 * };
 *
 * input parameters:
 * bus_ch_fmt,
 * ch_total_num,
 * arrange,
 * ch_size,
 * ch_offset,
 * pix_ch_fmt,
 * ch_field,
 *
 * output parameters:
 * frm_byte_size;
 */

int bsp_csi_set_size(unsigned int sel, struct bus_info *bus_info,
		     struct frame_info *frame_info)
{
	enum bit_width bus_width[MAX_CH_NUM];
	enum bit_width bus_precision[MAX_CH_NUM];
	unsigned int is_buf_itl[MAX_CH_NUM];
	unsigned int input_len_h[MAX_CH_NUM], input_len_v[MAX_CH_NUM];
	unsigned int start_h[MAX_CH_NUM], start_v[MAX_CH_NUM];
	unsigned int buf_height_y_ch[MAX_CH_NUM], buf_height_cb_ch[MAX_CH_NUM],
	    buf_height_cr_ch[MAX_CH_NUM];
	unsigned int line_stride_y_ch[MAX_CH_NUM], line_stride_c_ch[MAX_CH_NUM];
	unsigned int line_stride_y_row[MAX_CH_NUM],
	    line_stride_c_row[MAX_CH_NUM];
	unsigned int ch, i, j, row, column;

	row = frame_info->arrange.row;
	column = frame_info->arrange.column;
	frm_arrange_gbl[sel].row = row;
	frm_arrange_gbl[sel].column = column;

	for (ch = 0; ch < bus_info->ch_total_num; ch++) {
		/*if the target frame buffer is interlaced
		 *depends on field format
		 */
		if (frame_info->ch_field[ch] == V4L2_FIELD_INTERLACED ||
		    frame_info->ch_field[ch] == V4L2_FIELD_INTERLACED_TB ||
		    frame_info->ch_field[ch] == V4L2_FIELD_INTERLACED_BT)
			is_buf_itl[ch] = 1;
		else
			is_buf_itl[ch] = 0;

		bus_width[ch] = find_bus_width(bus_info->bus_ch_fmt[ch]);
		bus_precision[ch] =
		    find_bus_precision(bus_info->bus_ch_fmt[ch]);

		/*common initial value*/
		buf_height_cb_ch[ch] = 0;
		buf_height_cr_ch[ch] = 0;
		input_len_h[ch] = frame_info->ch_size[ch].width;
		input_len_v[ch] =
		    frame_info->ch_size[ch].height >> ((is_buf_itl[ch] == 1) ? 1 : 0);
		start_h[ch] = frame_info->ch_offset[ch].hoff;
		start_v[ch] = frame_info->ch_offset[ch].voff;

		switch (frame_info->pix_ch_fmt[ch]) {
		case V4L2_PIX_FMT_RGB565:
			line_stride_y_ch[ch] =
			    frame_info->ch_size[ch].width << 1;
			line_stride_y_ch[ch] =
			    frame_info->ch_size[ch].width << 1;
			line_stride_c_ch[ch] = 0;
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			break;
		case V4L2_PIX_FMT_RGB24:
			line_stride_y_ch[ch] =
			    frame_info->ch_size[ch].width * 3;
			line_stride_c_ch[ch] = 0;
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			break;
		case V4L2_PIX_FMT_RGB32:
			line_stride_y_ch[ch] =
			    frame_info->ch_size[ch].width << 2;
			line_stride_c_ch[ch] = 0;
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			break;
		case V4L2_PIX_FMT_YUYV:
		case V4L2_PIX_FMT_YVYU:
		case V4L2_PIX_FMT_UYVY:
		case V4L2_PIX_FMT_VYUY:
			input_len_h[ch] = frame_info->ch_size[ch].width << 1;
			start_h[ch] = frame_info->ch_offset[ch].hoff >> 1 << 3;
			start_v[ch] = frame_info->ch_offset[ch].voff >> 1 << 3;
			line_stride_y_ch[ch] =
			    frame_info->ch_size[ch].width << 1;
			line_stride_c_ch[ch] = 0;
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			break;
		case V4L2_PIX_FMT_YUV420:
		case V4L2_PIX_FMT_YVU420:
		case V4L2_PIX_FMT_YUV420M:
		case V4L2_PIX_FMT_YVU420M:
			line_stride_y_ch[ch] =
			    CSI_ALIGN_16B(frame_info->ch_size[ch].width);
			line_stride_c_ch[ch] =
			    CSI_ALIGN_16B(line_stride_y_ch[ch] >> 1);
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			buf_height_cb_ch[ch] = buf_height_y_ch[ch] >> 1;
			buf_height_cr_ch[ch] = buf_height_y_ch[ch] >> 1;
			break;
		case V4L2_PIX_FMT_YUV422P:
			line_stride_y_ch[ch] =
			    CSI_ALIGN_16B(frame_info->ch_size[ch].width);
			line_stride_c_ch[ch] =
			    CSI_ALIGN_16B(line_stride_y_ch[ch] >> 1);
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			buf_height_cb_ch[ch] = buf_height_y_ch[ch];
			buf_height_cr_ch[ch] = buf_height_y_ch[ch];
			break;
		case V4L2_PIX_FMT_NV12:
		case V4L2_PIX_FMT_NV21:
		case V4L2_PIX_FMT_NV21M:
		case V4L2_PIX_FMT_NV12M:
			line_stride_y_ch[ch] =
			    CSI_ALIGN_16B(frame_info->ch_size[ch].width);
			line_stride_c_ch[ch] = line_stride_y_ch[ch];
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			buf_height_cb_ch[ch] = buf_height_y_ch[ch] >> 1;
			break;
		case V4L2_PIX_FMT_NV16:
		case V4L2_PIX_FMT_NV61:
			line_stride_y_ch[ch] =
			    CSI_ALIGN_16B(frame_info->ch_size[ch].width);
			line_stride_c_ch[ch] = line_stride_y_ch[ch];
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			buf_height_cb_ch[ch] = buf_height_y_ch[ch];
			break;
		case V4L2_PIX_FMT_SBGGR8: /*all below are for debug*/
		case V4L2_PIX_FMT_SGBRG8:
		case V4L2_PIX_FMT_SGRBG8:
		case V4L2_PIX_FMT_SRGGB8:
		case V4L2_PIX_FMT_SBGGR10:
		case V4L2_PIX_FMT_SGBRG10:
		case V4L2_PIX_FMT_SGRBG10:
		case V4L2_PIX_FMT_SRGGB10:
		case V4L2_PIX_FMT_SBGGR12:
		case V4L2_PIX_FMT_SGBRG12:
		case V4L2_PIX_FMT_SGRBG12:
		case V4L2_PIX_FMT_SRGGB12:
			line_stride_y_ch[ch] =
			    frame_info->ch_size[ch].width << ((bus_precision[ch] == W_8BIT) ? 0 : 1);
			buf_height_y_ch[ch] = frame_info->ch_size[ch].height;
			break;
		default:
			break;
		}
		line_stride_y_ch_gbl[sel][ch] = line_stride_y_ch[ch];
		line_stride_c_ch_gbl[sel][ch] = line_stride_c_ch[ch];
		buf_height_y_ch_gbl[sel][ch] = buf_height_y_ch[ch];
		buf_height_cb_ch_gbl[sel][ch] = buf_height_cb_ch[ch];
		buf_height_cr_ch_gbl[sel][ch] = buf_height_cr_ch[ch];
		csi_set_offset(sel, ch, start_h[ch], start_v[ch]);
	}

	/*assume channels at the same row has the same height
	 *assume channels at the same column has the same width
	 */
	for (i = 0; i < row; i++) {
		line_stride_y_row[i] = 0;
		line_stride_c_row[i] = 0;
		for (j = 0; j < column; j++) {
			ch = i * column + j; /*ch=i when column==1*/
			line_stride_y_row[i] += line_stride_y_ch[ch];
			line_stride_c_row[i] += line_stride_c_ch[ch];
			line_stride_y_row_gbl[sel][i] = line_stride_y_row[i];
			line_stride_c_row_gbl[sel][i] = line_stride_c_row[i];
			csi_set_size(sel, ch, input_len_h[ch], input_len_v[ch],
				     line_stride_y_row[i],
				     line_stride_c_row[i]);
		}
	}
	frame_info->frm_byte_size = 0;
	for (ch = 0; ch < row * column; ch++) {
		frame_info->frm_byte_size +=
		    line_stride_y_ch[ch] * buf_height_y_ch[ch] +
		    line_stride_c_ch[ch] * buf_height_cb_ch[ch] +
		    line_stride_c_ch[ch] * buf_height_cr_ch[ch];
	}
	return 0;
}

/* bsp_csi_set_addr
 * function:
 * set csi output address, no return
 * must be called after bsp_csi_set_size
 *
 * input parameters:
 * buffer base address
 *
 */

void bsp_csi_set_addr(unsigned int sel, u64 buf_base_addr, u64 buf_base_addr_y,
		      u64 buf_base_addr_u, u64 buf_base_addr_v)
{
#if 0
	u64 buf_addr_plane0[MAX_CH_NUM];
	u64 buf_addr_plane1[MAX_CH_NUM];
	u64 buf_addr_plane2[MAX_CH_NUM];
	unsigned int ch, i, j, k, l, row, column;

	row = frm_arrange_gbl[sel].row;
	column = frm_arrange_gbl[sel].column;

	for (i = 0; i < row; i++) {
		for (j = 0; j < column; j++) {
			ch = i * column + j;
			buf_addr_plane0[ch] = buf_base_addr;
			buf_addr_plane1[ch] = buf_addr_plane0[ch]
			    + line_stride_y_row_gbl[sel][i] *
			    buf_height_y_ch_gbl[sel][ch];
			buf_addr_plane2[ch] = buf_addr_plane1[ch]
			    + line_stride_c_row_gbl[sel][i] *
			    buf_height_cb_ch_gbl[sel][ch];
			for (k = 0; k < j; k++) {
				buf_addr_plane0[ch] +=
				    line_stride_y_ch_gbl[sel][i * column + k - 1];
				buf_addr_plane1[ch] +=
				    line_stride_c_ch_gbl[sel][i * column + k - 1];
				buf_addr_plane2[ch] +=
				    line_stride_c_ch_gbl[sel][i * column + k - 1];
			}

			for (l = 1; l < i; l++) {
				buf_addr_plane0[ch] +=
				    ((line_stride_y_row_gbl[sel][l - 1] *
				      buf_height_y_ch_gbl[sel][l * column + j - 1])
				     +
				     (line_stride_c_row_gbl[sel][l - 1] *
				      buf_height_cb_ch_gbl[sel][l * column + j - 1])
				     +
				     (line_stride_c_row_gbl[sel][l - 1] *
				      buf_height_cr_ch_gbl[sel][l * column + j - 1]));
				buf_addr_plane1[ch] +=
				    ((line_stride_c_row_gbl[sel][l - 1] *
				      buf_height_cb_ch_gbl[sel][l * column + j - 1])
				     +
				     (line_stride_c_row_gbl[sel][l - 1] *
				      buf_height_cr_ch_gbl[sel][l * column + j - 1])
				     +
				     (line_stride_y_row_gbl[sel][l] *
				      buf_height_y_ch_gbl[sel][l * column + j]));
				buf_addr_plane2[ch] +=
				    ((line_stride_c_row_gbl[sel][l - 1] *
				      buf_height_cr_ch_gbl[sel][l * column + j - 1])
				     + (line_stride_y_row_gbl[sel][l] *
				      buf_height_y_ch_gbl[sel][l * column + j])
				     + (line_stride_c_row_gbl[sel][l] *
				      buf_height_cb_ch_gbl[sel][l * column + j]));
			}
			csi_set_buffer_address(sel, ch, CSI_BUF_0_A,
					       buf_base_addr_y);
			csi_set_buffer_address(sel, ch, CSI_BUF_1_A,
					       buf_base_addr_u);
			csi_set_buffer_address(sel, ch, CSI_BUF_2_A,
					       buf_base_addr_v);
		}
	}
#else
	csi_set_buffer_address(sel, 0, CSI_BUF_0_A, buf_base_addr_y);
	csi_set_buffer_address(sel, 0, CSI_BUF_1_A, buf_base_addr_u);
	csi_set_buffer_address(sel, 0, CSI_BUF_2_A, buf_base_addr_v);
#endif
}

void bsp_csi_cap_start(unsigned int sel, unsigned int ch_total_num,
		       enum csi_cap_mode csi_cap_mode)
{
	csi_capture_start(sel, ch_total_num, csi_cap_mode);
}

void bsp_csi_cap_stop(unsigned int sel, unsigned int ch_total_num,
		      enum csi_cap_mode csi_cap_mode)
{
	csi_capture_stop(sel, ch_total_num, csi_cap_mode);
}

void bsp_csi_int_enable(unsigned int sel, unsigned int ch,
			enum csi_int_sel interrupt)
{
	csi_int_enable(sel, ch, interrupt);
}

void bsp_csi_int_disable(unsigned int sel, unsigned int ch,
			 enum csi_int_sel interrupt)
{
	csi_int_disable(sel, ch, interrupt);
}

void bsp_csi_int_get_status(unsigned int sel, unsigned int ch,
			    struct csi_int_status *status)
{
	csi_int_get_status(sel, ch, status);
}

void bsp_csi_int_clear_status(unsigned int sel, unsigned int ch,
			      enum csi_int_sel interrupt)
{
	csi_int_clear_status(sel, ch, interrupt);
}