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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_css_block(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_dev_css_info_v1 css_info;
uint32_t val = 0;
ret = copy_from_user((void *)&css_info, param->property_param, sizeof(css_info));
if (0 != ret) {
printk("isp_k_css_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = (css_info.lh_chrom_th & 0x1F) << 24;
REG_MWR(ISP_CSS_PARAM, 0x1F000000, val);
val = ((css_info.chrom_lower_th[0] & 0x1F) << 16) | ((css_info.chrom_lower_th[1] & 0x1F) << 8)
| (css_info.chrom_lower_th[2] & 0x1F);
REG_MWR(ISP_CSS_CHROM_L_TH_0, 0x1F1F1F, val);
val = ((css_info.chrom_lower_th[3] & 0x1F) << 24) | ((css_info.chrom_lower_th[4] & 0x1F) << 16)
| ((css_info.chrom_lower_th[5] & 0x1F) << 8) | (css_info.chrom_lower_th[6] & 0x1F);
REG_WR(ISP_CSS_CHROM_L_TH_1, val);
val = ((css_info.chrom_high_th[0] & 0x1F) << 16) | ((css_info.chrom_high_th[1] & 0x1F) << 8)
| (css_info.chrom_high_th[2] & 0x1F);
REG_WR(ISP_CSS_CHROM_H_TH_0, val);
val = ((css_info.chrom_high_th[3] & 0x1F) << 24) | ((css_info.chrom_high_th[4] & 0x1F) << 16)
| ((css_info.chrom_high_th[5] & 0x1F) << 8) | (css_info.chrom_high_th[6] & 0x1F);
REG_WR(ISP_CSS_CHROM_H_TH_1, val);
val = ((css_info.lum_low_shift & 0x7) << 16) | ((css_info.lum_hig_shift & 0x7) << 8);
REG_MWR(ISP_CSS_PARAM, 0x70700, val);
val = (css_info.lh_ratio[7] & 0xF) | ((css_info.lh_ratio[6] & 0xF) << 4)
| ((css_info.lh_ratio[5] & 0xF) << 8) | ((css_info.lh_ratio[4] & 0xF) << 12)
| ((css_info.lh_ratio[3] & 0xF) << 16) | ((css_info.lh_ratio[2] & 0xF) << 20)
| ((css_info.lh_ratio[1] & 0xF) << 24) | ((css_info.lh_ratio[0] & 0xF) << 28);
REG_WR(ISP_CSS_LH_RATIO, val);
val = (css_info.ratio[7] & 0xF) | ((css_info.ratio[6] & 0xF) << 4)
| ((css_info.ratio[5] & 0xF) << 8) | ((css_info.ratio[4] & 0xF) << 12)
| ((css_info.ratio[3] & 0xF) << 16) | ((css_info.ratio[2] & 0xF) << 20)
| ((css_info.ratio[1] & 0xF) << 24) | ((css_info.ratio[0] & 0xF) << 28);
REG_WR(ISP_CSS_RATIO, val);
val = (css_info.lum_hh_th & 0xFF) | ((css_info.lum_hig_th & 0xFF) << 8)
| ((css_info.lum_ll_th & 0xFF) << 16) | ((css_info.lum_low_th & 0xFF) << 24);
REG_WR(ISP_CSS_THRD0, val);
val = (css_info.v_th_0_h & 0xFF) | ((css_info.v_th_0_l & 0xFF) << 8)
| ((css_info.u_th_0_h & 0xFF) << 16) | ((css_info.u_th_0_l & 0xFF) << 24);
REG_WR(ISP_CSS_EX_TH_0, val);
val = (css_info.v_th_1_h & 0xFF) | ((css_info.v_th_1_l & 0xFF) << 8)
| ((css_info.u_th_1_h & 0xFF) << 16) | ((css_info.u_th_1_l & 0xFF) << 24);
REG_WR(ISP_CSS_EX_TH_1, val);
REG_MWR(ISP_CSS_CHROM_L_TH_0, 0x1F000000, css_info.cutoff_th << 24);
if (css_info.bypass) {
REG_OWR(ISP_CSS_PARAM, BIT_0);
} else {
REG_MWR(ISP_CSS_PARAM, BIT_0, 0);
}
return ret;
}
int32_t isp_k_cfg_css(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_css: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_css: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_CSS_BLOCK:
ret = isp_k_css_block(param);
break;
default:
printk("isp_k_cfg_css: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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