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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_csa_block(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_dev_csa_info_v1 csa_info;
uint32_t val = 0;
memset(&csa_info, 0x00, sizeof(csa_info));
ret = copy_from_user((void *)&csa_info, param->property_param, sizeof(csa_info));
if (0 != ret) {
printk("isp_k_csa_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((csa_info.factor_v & 0xFF) << 8) | ((csa_info.factor_u & 0xFF) << 16);
REG_MWR(ISP_CSA_PARAM, 0xFFFF00, val);
if (csa_info.bypass) {
REG_OWR(ISP_CSA_PARAM, BIT_0);
} else {
REG_MWR(ISP_CSA_PARAM, BIT_0, 0);
}
return ret;
}
int32_t isp_k_cfg_csa(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_csa: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_csa: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_CSA_BLOCK:
ret = isp_k_csa_block(param);
break;
default:
printk("isp_k_cfg_csa: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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