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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_bpc_block(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
uint32_t i = 0;
struct isp_dev_bpc_info_v1 bpc_info;
memset(&bpc_info, 0x00, sizeof(bpc_info));
ret = copy_from_user((void *)&bpc_info, param->property_param, sizeof(bpc_info));
if (0 != ret) {
printk("isp_k_bpc_block: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_BPC_PARAM, BIT_0, bpc_info.bypass);
REG_MWR(ISP_BPC_PARAM, BIT_1, bpc_info.pvd_bypass << 1);
REG_MWR(ISP_BPC_PARAM, BIT_4 | BIT_5, bpc_info.bpc_mode << 4);
REG_MWR(ISP_BPC_PARAM, BIT_10 | BIT_9 | BIT_8, bpc_info.mask_mode << 8);
val = ((bpc_info.kmax & 0x7) << 20) | ((bpc_info.kmin & 0x7) << 16);
REG_MWR(ISP_BPC_PARAM, 0x770000, val);
REG_MWR(ISP_BPC_NEW_OLD_SEL, BIT_0, bpc_info.new_old_sel);
REG_MWR(ISP_BPC_NEW_OLD_SEL, BIT_1, bpc_info.map_done_sel << 1);
val = ((bpc_info.safe_factor & 0x1F) << 4) | (bpc_info.flat_factor & 0x7);
REG_WR(ISP_BPC_FACTOR, val);
val = ((bpc_info.dead_coeff & 0x7) << 4) | (bpc_info.spike_coeff & 0x7);
REG_WR(ISP_BPC_COEFF, val);
for (i = 0; i < 8; i++) {
val = ((bpc_info.lut_level[i] & 0x3FF) << 20) | ((bpc_info.slope_k[i] & 0x3FF) << 10) | (bpc_info.intercept_b[i] & 0x3FF);
REG_WR(ISP_BPC_LUTWORD0 + i * 4, val);
}
REG_MWR(ISP_BPC_CFG, BIT_10 | BIT_9 | BIT_8, bpc_info.delta << 8);
REG_MWR(ISP_BPC_CFG, BIT_7, bpc_info.bpc_map_fifo_clr << 7);
REG_MWR(ISP_BPC_CFG, BIT_6 | BIT_5 | BIT_4, bpc_info.ktimes << 4);
REG_MWR(ISP_BPC_CFG, 0x7, bpc_info.cntr_threshold);
REG_MWR(ISP_BPC_CFG, BIT_3, bpc_info.bad_map_hw_fifo_clr_en << 3);
REG_WR(ISP_BPC_MAP_ADDR, bpc_info.bpc_map_addr_new);
REG_MWR(ISP_BPC_CFG, 0xFFFF0000, bpc_info.bad_pixel_num << 16);
return ret;
}
int32_t isp_k_cfg_bpc(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_bpc: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_bpc: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_BPC_BLOCK:
ret = isp_k_bpc_block(param);
break;
default:
printk("isp_k_cfg_bpc: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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