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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_rgb_gain_block(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_dev_rgb_gain_info_v1 gain_info;
ret = copy_from_user((void *)&gain_info, param->property_param, sizeof(gain_info));
if (0 != ret) {
printk("isp_k_rgb_gain_block: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
val = (gain_info.global_gain & 0xFFFF) << 16;
REG_MWR(ISP_RGBG_PARAM, 0xFFFF0000, val);
val = ((gain_info.r_gain & 0xFFFF) << 16) | (gain_info.b_gain & 0xFFFF);
REG_WR(ISP_RGBG_RB, val);
val = gain_info.g_gain & 0xFFFF;
REG_WR(ISP_RGBG_G, val);
REG_MWR(ISP_RGBG_PARAM, BIT_0, gain_info.bypass);
return ret;
}
int32_t isp_k_cfg_rgb_gain(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_rgb_gain: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_rgb_gain: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_RGB_GAIN_BLOCK:
ret = isp_k_rgb_gain_block(param);
break;
default:
printk("isp_k_cfg_rgb_gain: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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