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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_yuv_cdn_block(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_dev_yuv_cdn_info cdn_info;
uint32_t val = 0;
uint32_t i = 0;
memset(&cdn_info, 0x00, sizeof(cdn_info));
ret = copy_from_user((void *)&cdn_info, param->property_param, sizeof(cdn_info));
if (0 != ret) {
printk("isp_k_yuv_cdn_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
if (cdn_info.median_writeback_en) {
REG_OWR(ISP_CDN_PARAM, BIT_2);
} else {
REG_MWR(ISP_CDN_PARAM, BIT_2, 0);
}
REG_MWR(ISP_CDN_PARAM, 0x38, cdn_info.median_mode << 3);
REG_MWR(ISP_CDN_PARAM, BIT_7 | BIT_6, cdn_info.gaussian_mode << 6);
REG_MWR(ISP_CDN_PARAM, 0x3FFF00, cdn_info.median_thr << 8);
val = (cdn_info.median_thru0 & 0x7F) | ((cdn_info.median_thru1 & 0xFF) << 8)
| ((cdn_info.median_thrv0 & 0x7F) << 16) | ((cdn_info.median_thrv1 & 0xFF) << 24);
REG_WR(ISP_CDN_THRUV, val);
for (i = 0; i < 7; i++) {
val = (cdn_info.rangewu[i*4] & 0x3F) | ((cdn_info.rangewu[i*4+1] & 0x3F) << 8)
| ((cdn_info.rangewu[i*4+2] & 0x3F) << 16) | ((cdn_info.rangewu[i*4+3] & 0x3F) << 24);
REG_WR(ISP_CDN_U_RANWEI_0 + i * 4, val);
}
val = (cdn_info.rangewu[28] & 0x3F) | ((cdn_info.rangewu[29] & 0x3F) << 8)
| ((cdn_info.rangewu[30] & 0x3F) << 16);
REG_WR(ISP_CDN_U_RANWEI_7, val);
for (i = 0; i < 7; i++) {
val = (cdn_info.rangewv[i*4] & 0x3F) | ((cdn_info.rangewv[i*4+1] & 0x3F) << 8)
| ((cdn_info.rangewv[i*4+2] & 0x3F) << 16) | ((cdn_info.rangewv[i*4+3] & 0x3F) << 24);
REG_WR(ISP_CDN_V_RANWEI_0 + i * 4, val);
}
val = (cdn_info.rangewv[28] & 0x3F) | ((cdn_info.rangewv[29] & 0x3F) << 8)
| ((cdn_info.rangewv[30] & 0x3F) << 16);
REG_WR(ISP_CDN_V_RANWEI_7, val);
if (cdn_info.filter_bypass) {
REG_OWR(ISP_CDN_PARAM, BIT_1);
} else {
REG_MWR(ISP_CDN_PARAM, BIT_1, 0);
}
if (cdn_info.bypass) {
REG_OWR(ISP_CDN_PARAM, BIT_0);
} else {
REG_MWR(ISP_CDN_PARAM, BIT_0, 0);
}
return ret;
}
int32_t isp_k_cfg_yuv_cdn(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_yuv_cdn: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_yuv_cdn: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_YUV_CDN_BLOCK:
ret = isp_k_yuv_cdn_block(param);
break;
default:
printk("isp_k_cfg_yuv_cdn: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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