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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_store_block(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_dev_store_info_v1 store_info;
memset(&store_info, 0x00, sizeof(store_info));
ret = copy_from_user((void *)&store_info, param->property_param, sizeof(store_info));
if (0 != ret) {
printk("isp_k_store_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
if (store_info.substract) {
REG_OWR(ISP_STORE_PARAM, BIT_1);
} else {
REG_MWR(ISP_STORE_PARAM, BIT_1, 0);
}
REG_MWR(ISP_STORE_PARAM, 0xF0, (store_info.color_format << 4));
REG_WR(ISP_STORE_Y_ADDR, store_info.addr.chn0);
REG_WR(ISP_STORE_Y_PITCH, store_info.pitch.chn0);
REG_WR(ISP_STORE_U_ADDR, store_info.addr.chn1);
REG_WR(ISP_STORE_U_PITCH, store_info.pitch.chn1);
REG_WR(ISP_STORE_V_ADDR, store_info.addr.chn2);
REG_WR(ISP_STORE_V_PITCH, store_info.pitch.chn2);
if (store_info.bypass) {
REG_OWR(ISP_STORE_PARAM, BIT_0);
} else {
REG_MWR(ISP_STORE_PARAM, BIT_0, 0);
}
return ret;
}
static int32_t isp_k_store_slice_size(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_img_size size = {0, 0};
ret = copy_from_user((void *)&size, param->property_param, sizeof(size));
if (0 != ret) {
printk("isp_k_store_slice_size: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((size.height& 0xFFFF) << 16) | (size.width & 0xFFFF);
REG_WR(ISP_STORE_SLICE_SIZE, val);
return ret;
}
int32_t isp_k_cfg_store(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_store: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_store: property_param is null error.\n");
return -1;
}
switch (param->property) {
case ISP_PRO_STORE_BLOCK:
ret = isp_k_store_block(param);
break;
case ISP_PRO_STORE_SLICE_SIZE:
ret = isp_k_store_slice_size(param);
break;
default:
printk("isp_k_cfg_store: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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