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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 <asm/cacheflush.h>
#include "isp_reg.h"
#include "isp_drv.h"
static int32_t isp_k_afl_param_update(struct isp_k_private *isp_private)
{
int32_t ret = 0;
uint32_t addr = 0;
#ifndef CONFIG_64BIT
void *buf_ptr = (void *)isp_private->yiq_antiflicker_buf_addr;
#endif
uint32_t buf_len = isp_private->yiq_antiflicker_len;
if((0x00 != isp_private->yiq_antiflicker_buf_addr) && (0x00 != isp_private->yiq_antiflicker_len)) {
#ifndef CONFIG_64BIT
dmac_flush_range(buf_ptr, buf_ptr + buf_len);
outer_flush_range(__pa(buf_ptr), __pa(buf_ptr) + buf_len);
#endif
addr = (uint32_t)__pa(isp_private->yiq_antiflicker_buf_addr);
printk("$$LHC:addr %lp yiq_antiflicker_buf_addr %lp\n", addr, (int *)isp_private->yiq_antiflicker_buf_addr);
REG_WR(ISP_ANTI_FLICKER_DDR_INIT_ADDR, addr);
}
return ret;
}
static int32_t isp_k_afl_statistic(struct isp_io_param *param, struct isp_k_private *isp_private)
{
int32_t ret = 0;
int32_t i = 0;
int32_t *addr = NULL;
printk("$$LHC:isp_k_afl_statistic \n");
if((0x00 != isp_private->yiq_antiflicker_buf_addr) && (0x00 != param->property_param) \
&& (0x00 != isp_private->yiq_antiflicker_len) ) {
ret = copy_to_user(param->property_param, isp_private->yiq_antiflicker_buf_addr, isp_private->yiq_antiflicker_len);
if (0 != ret) {
ret = -1;
printk("isp_k_afl_statistic: copy_to_user error, ret = 0x%x\n", (uint32_t)ret);
}
addr = isp_private->yiq_antiflicker_buf_addr;
for(i = 0;i < 20;i++) {
printk("$$LHC %p, 0x%x\n", addr, *addr++);
}
}
}
static int32_t isp_k_afl_bypass(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t bypass = 0;
ret = copy_from_user((void *)&bypass, param->property_param, sizeof(bypass));
if (0 != ret) {
printk("isp_k_afl_bypass: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
printk("$$LHC:bypass %d \n", bypass);
if (bypass) {
REG_OWR(ISP_ANTI_FLICKER_PARAM0, BIT_0);
} else {
REG_MWR(ISP_ANTI_FLICKER_PARAM0, BIT_0, 0);
}
return ret;
}
static int32_t isp_k_anti_flicker_block(struct isp_io_param *param, struct isp_k_private *isp_private)
{
int32_t ret = 0;
struct isp_dev_anti_flicker_info_v1 afl_info;
memset(&afl_info, 0x00, sizeof(afl_info));
ret = copy_from_user((void *)&afl_info, param->property_param, sizeof(afl_info));
if (0 != ret) {
printk("isp_k_anti_flicker_block: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_ANTI_FLICKER_PARAM0, BIT_0, afl_info.bypass);
REG_MWR(ISP_ANTI_FLICKER_PARAM0, BIT_1, afl_info.mode << 1);
REG_MWR(ISP_ANTI_FLICKER_PARAM0, 0xF << 2, afl_info.skip_frame_num << 2);
REG_MWR(ISP_ANTI_FLICKER_PARAM1, 0xF , afl_info.line_step);
REG_MWR(ISP_ANTI_FLICKER_PARAM1, 0xFF << 8, afl_info.frame_num << 8);
REG_MWR(ISP_ANTI_FLICKER_PARAM1, 0xFFFF << 16, afl_info.vheight << 16);
REG_MWR(ISP_ANTI_FLICKER_COL_POS, 0xFFFF , afl_info.start_col);
REG_MWR(ISP_ANTI_FLICKER_COL_POS, 0xFFFF << 16, afl_info.end_col << 16);
//config afl DDR initial address
isp_k_afl_param_update(isp_private);
//REG_WR(ISP_ANTI_FLICKER_DDR_INIT_ADDR, afl_info.addr);
return ret;
}
int32_t isp_k_cfg_anti_flicker(struct isp_io_param *param, struct isp_k_private *isp_private)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_anti_flicker: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_anti_flicker: property_param is null error.\n");
return -1;
}
switch (param->property) {
case ISP_PRO_ANTI_FLICKER_BLOCK:
ret = isp_k_anti_flicker_block(param, isp_private);
break;
case ISP_PRO_ANTI_FLICKER_STATISTIC:
ret = isp_k_afl_statistic(param, isp_private);
break;
case ISP_PRO_ANTI_FLICKER_BYPASS:
ret = isp_k_afl_bypass(param);
break;
default:
printk("isp_k_cfg_anti_flicker: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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