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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"
#include "isp_drv.h"
static int32_t isp_k_raw_aem_block(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct isp_dev_raw_aem_info aem_info;
memset(&aem_info, 0x00, sizeof(aem_info));
ret = copy_from_user((void *)&aem_info, param->property_param, sizeof(aem_info));
if (0 != ret) {
printk("isp_k_raw_aem_block: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_AEM_PARAM, BIT_0, aem_info.bypass);
val = (aem_info.shift & 0x1F) << 18;
if(0 != val) {
printk("isp_k_raw_aem_block: shift error, 0x%x\n", val);
}
REG_MWR(ISP_AEM_BLK_SIZE, 0x7C0000, 0);
REG_MWR(ISP_AEM_PARAM, BIT_1, aem_info.mode << 1);
return ret;
}
static int32_t isp_k_raw_aem_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_raw_aem_bypass: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_AEM_PARAM, BIT_0, bypass);
return ret;
}
static int32_t isp_k_raw_aem_mode(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t mode = 0;
ret = copy_from_user((void *)&mode, param->property_param, sizeof(mode));
if (0 != ret) {
printk("isp_k_raw_aem_mode: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_AEM_PARAM, BIT_1, mode << 1);
return ret;
}
static int32_t isp_k_raw_aem_statistics(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0, i = 0;
uint32_t val0 = 0, val1 = 0;
unsigned long addr = 0;
struct isp_raw_aem_statistics *aem_statistics = NULL;
aem_statistics = (struct isp_raw_aem_statistics *)isp_private->raw_aem_buf_addr;
if (!aem_statistics) {
ret = -1;
printk("isp_k_raw_aem_statistics: alloc memory error.\n");
return -1;
}
addr = ISP_RAW_AEM_OUTPUT;
for (i = 0x00; i < ISP_RAW_AEM_ITEM; i++) {
val0 = REG_RD(addr);
val1 = REG_RD(addr + 4);
aem_statistics->r[i]= (val1 >> 11) & 0x1fffff;
aem_statistics->g[i]= val0 & 0x3fffff;
aem_statistics->b[i]= ((val1 & 0x7ff) << 10) | ((val0 >> 22) & 0x3ff);
addr += 8;
}
ret = copy_to_user(param->property_param, (void*)aem_statistics, sizeof(struct isp_raw_aem_statistics));
if (0 != ret) {
ret = -1;
printk("isp_k_raw_aem_statistics: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_raw_aem_skip_num(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
uint32_t skip_num;
ret = copy_from_user((void *)&skip_num, param->property_param, sizeof(skip_num));
if (0 != ret) {
printk("isp_k_raw_aem_skip_num: copy error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
val = (skip_num & 0xF) << 4;
REG_MWR(ISP_AEM_PARAM, 0xF0, val);
return ret;
}
static int32_t isp_k_raw_aem_shift(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t shift = 0;
uint32_t val = 0;
ret = copy_from_user((void *)&shift, param->property_param, sizeof(shift));
if (0 != ret) {
printk("isp_k_raw_aem_shift: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = (shift & 0x1F) << 18;
if(0 != val) {
printk("isp_k_raw_aem_shift: shift error, 0x%x\n", val);
}
REG_MWR(ISP_AEM_BLK_SIZE, 0x7C0000, 0);
return ret;
}
static int32_t isp_k_raw_aem_offset(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct img_offset offset;
ret = copy_from_user((void *)&offset, param->property_param, sizeof(struct img_offset));
if (0 != ret) {
printk("isp_k_raw_aem_offset: read copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((offset.y & 0xFFFF) << 16) | (offset.x & 0xFFFF);
REG_WR(ISP_AEM_OFFSET, val);
return ret;
}
static int32_t isp_k_raw_aem_blk_size(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_img_size size;
uint32_t val = 0;
ret = copy_from_user((void *)&size, param->property_param, sizeof(struct isp_img_size));
if (0 != ret) {
printk("isp_k_raw_aem_blk_size: read copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((size.height & 0x1FF) << 9) | (size.width & 0x1FF);
REG_MWR(ISP_AEM_BLK_SIZE, 0x3FFFF, val);
return ret;
}
static int32_t isp_k_raw_aem_slice_size(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_img_size size;
uint32_t val = 0;
ret = copy_from_user((void *)&size, param->property_param, sizeof(struct isp_img_size));
if (0 != ret) {
printk("isp_k_raw_aem_slice_size: read copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((size.height & 0xFFFF) << 16) | (size.width & 0xFFFF);
REG_WR(ISP_AEM_SLICE_SIZE, val);
return ret;
}
int32_t isp_k_cfg_raw_aem(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_raw_aem: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_raw_aem: property_param is null error.\n");
return -1;
}
switch (param->property) {
case ISP_PRO_RAW_AEM_BLOCK:
ret = isp_k_raw_aem_block(param);
break;
case ISP_PRO_RAW_AEM_BYPASS:
ret = isp_k_raw_aem_bypass(param);
break;
case ISP_PRO_RAW_AEM_MODE:
ret = isp_k_raw_aem_mode(param);
break;
case ISP_PRO_RAW_AEM_STATISTICS:
ret = isp_k_raw_aem_statistics(param, isp_private);
break;
case ISP_PRO_RAW_AEM_SKIP_NUM:
ret = isp_k_raw_aem_skip_num(param);
break;
case ISP_PRO_RAW_AEM_SHIFT:
ret = isp_k_raw_aem_shift(param);
break;
case ISP_PRO_RAW_AEM_OFFSET:
ret = isp_k_raw_aem_offset(param);
break;
case ISP_PRO_RAW_AEM_BLK_SIZE:
ret = isp_k_raw_aem_blk_size(param);
break;
case ISP_PRO_RAW_AEM_SLICE_SIZE:
ret = isp_k_raw_aem_slice_size(param);
break;
default:
printk("isp_k_cfg_raw_aem: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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