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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* 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.
*/
#include <linux/uaccess.h>
#include <linux/sprd_mm.h>
#include <video/sprd_isp.h>
#include "isp_reg.h"
static int32_t isp_k_csc_block(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_dev_csc_info csc_info;
memset(&csc_info, 0x00, sizeof(csc_info));
ret = copy_from_user((void *)&csc_info, param->property_param, sizeof(csc_info));
if (0 != ret) {
printk("isp_k_csc_block: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_CSC_CTRL, BIT_0, csc_info.bypass);
val = (csc_info.red_centre_x & 0x1FFF) | ((csc_info.red_centre_y & 0xFFF) << 16);
REG_WR(ISP_CSC_RCC, val);
val = (csc_info.blue_centre_x & 0x1FFF) | ((csc_info.blue_centre_y & 0xFFF) << 16);
REG_WR(ISP_CSC_BCC, val);
REG_WR(ISP_CSC_REDTHR, csc_info.red_threshold & 0x3FFFFFF);
REG_WR(ISP_CSC_BLUETHR, (csc_info.blue_threshold & 0x3FFFFFF));
val = (csc_info.red_p1_param & 0x1FFF) | ((csc_info.red_p2_param & 0x7FF) << 16);
REG_WR(ISP_CSC_REDPOLY, val);
val = (csc_info.blue_p1_param & 0x1FFF) | ((csc_info.blue_p2_param & 0x7FF) << 16);
REG_WR(ISP_CSC_BLUEPOLY, val);
REG_WR(ISP_CSC_MAXGAIN, (csc_info.max_gain_thr & 0x1FFF));
val = (csc_info.start_pos.x & 0xFFF) | ((csc_info.start_pos.y & 0x1FFF) << 12);
REG_WR(ISP_CSC_START_ROW_COL, val );
val = csc_info.red_x2_init;
REG_WR( ISP_CSC_REDX2INIT, (val & 0x3FFFFFF));
val = csc_info.red_y2_init;
REG_WR( ISP_CSC_REDY2INIT, (val & 0x3FFFFFF));
val = csc_info.blue_x2_init;
REG_WR( ISP_CSC_BLUEX2INIT, (val & 0x3FFFFFF));
val = csc_info.blue_y2_init;
REG_WR( ISP_CSC_BLUEY2INIT, (val & 0x3FFFFFF));
return ret;
}
static int32_t isp_k_csc_pic_size(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_img_size pic_size = {0, 0};
ret = copy_from_user((void *)&pic_size, param->property_param, sizeof(pic_size));
if (0 != ret) {
printk("isp_k_csc_pic_size: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = (pic_size.width& 0x1FFF) | ((pic_size.height& 0xFFF) << 16);
REG_WR(ISP_CSC_PICSIZE, val );
return ret;
}
int32_t isp_k_cfg_csc(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_csc: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_csc: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_CSC_BLOCK:
ret = isp_k_csc_block(param);
break;
case ISP_PRO_CSC_PIC_SIZE:
ret = isp_k_csc_pic_size(param);
break;
default:
printk("isp_k_cfg_csc: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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