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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_hist_block(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_dev_hist_info_v1 hist_info;
uint32_t val = 0;
memset(&hist_info, 0x00, sizeof(hist_info));
ret = copy_from_user((void *)&hist_info, param->property_param, sizeof(hist_info));
if (0 != ret) {
printk("isp_k_hist_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
if (hist_info.buf_rst_en) {
REG_OWR(ISP_HIST_PARAM, BIT_1);
} else {
REG_MWR(ISP_HIST_PARAM, BIT_1, 0);
}
if (hist_info.pof_rst_en) {
REG_OWR(ISP_HIST_PARAM, BIT_9);
} else {
REG_MWR(ISP_HIST_PARAM, BIT_9, 0);
}
if (hist_info.skip_num_clr) {
REG_OWR(ISP_HIST_PARAM, BIT_8);
} else {
REG_MWR(ISP_HIST_PARAM, BIT_8, 0);
}
REG_MWR(ISP_HIST_PARAM, 0xF0, hist_info.skip_num << 4);
if (hist_info.mode) {
REG_OWR(ISP_HIST_PARAM, BIT_3);
} else {
REG_MWR(ISP_HIST_PARAM, BIT_3, 0);
}
val = ((hist_info.high_ratio & 0xFFFF) << 16)
| (hist_info.low_ratio & 0xFFFF);
REG_WR(ISP_HIST_RATIO, val);
val = (hist_info.dif_adj & 0xFF) | ((hist_info.small_adj & 0xFF) << 8)
| ((hist_info.big_adj & 0xFF) << 16);
REG_WR(ISP_HIST_ADJUST, val);
if (hist_info.off) {
REG_OWR(ISP_HIST_PARAM, BIT_2);
} else {
REG_MWR(ISP_HIST_PARAM, BIT_2, 0);
}
if (hist_info.bypass) {
REG_OWR(ISP_HIST_PARAM, BIT_0);
} else {
REG_MWR(ISP_HIST_PARAM, BIT_0, 0);
}
return ret;
}
static int32_t isp_k_hist_slice_size(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_img_size size = {0};
ret = copy_from_user((void *)&size, param->property_param, sizeof(size));
if (0 != ret) {
printk("isp_k_hist_slice_size: read copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((size.height & 0xFFFF) << 16)
| (size.width & 0xFFFF);
REG_WR(ISP_HIST_SLICE_SIZE, val);
return ret;
}
int32_t isp_k_cfg_hist(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_hist: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_hist: property_param is null error.\n");
return -1;
}
switch (param->property) {
case ISP_PRO_HIST_BLOCK:
ret = isp_k_hist_block(param);
break;
case ISP_PRO_HIST_SLICE_SIZE:
ret = isp_k_hist_slice_size(param);
break;
default:
printk("isp_k_cfg_hist: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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