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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"
#define ISP_MAX_WIDTH 3280
#define ISP_MAX_HEIGHT 2464
#define ISP_MAX_SLICE_WIDTH 3280
#define ISP_MAX_SLICE_HEIGHT 2464
#define ISP_AWB_WIN_UNIT 32
#define ISP_AWB_DEFAULT_GAIN 0x400
#define ISP_AF_MAX_WIN_NUM 9
static int32_t isp_k_capability_chip_id(struct isp_capability *param)
{
int32_t ret = 0;
uint32_t chip_id = 0;
chip_id = ISP_CHIP_ID_PIKE;
ret = copy_to_user(param->property_param, (void*)&chip_id, sizeof(chip_id));
if (0 != ret) {
ret = -1;
printk("isp_k_capability_chip_id: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_capability_single_size(struct isp_capability *param)
{
int32_t ret = 0;
struct isp_img_size size = {0, 0};
size.width = ISP_MAX_WIDTH;
size.height = ISP_MAX_HEIGHT;
ret = copy_to_user(param->property_param, (void*)&size, sizeof(size));
if (0 != ret) {
ret = -1;
printk("isp_capability_single_size: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_capability_continue_size(struct isp_capability *param)
{
int32_t ret = 0;
struct isp_img_size size = {0, 0};
size.width = ISP_MAX_SLICE_WIDTH;
size.height = ISP_MAX_SLICE_HEIGHT;
ret = copy_to_user(param->property_param, (void*)&size, sizeof(size));
if (0 != ret) {
ret = -1;
printk("isp_capability_continue_size: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_capability_awb_win(struct isp_capability *param)
{
int32_t ret = 0;
struct isp_img_size size = {0, 0};
size.width = ISP_AWB_WIN_UNIT;
size.height = ISP_AWB_WIN_UNIT;
ret = copy_to_user(param->property_param, (void*)&size, sizeof(size));
if (0 != ret) {
ret = -1;
printk("isp_k_capability_awb_win: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_capability_awb_default_gain(struct isp_capability *param)
{
int32_t ret = 0;
uint32_t gain = 0;
gain = ISP_AWB_DEFAULT_GAIN;
ret = copy_to_user(param->property_param, (void*)&gain, sizeof(gain));
if (0 != ret) {
ret = -1;
printk("isp_k_capability_awb_default_gain: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_capability_af_max_win_num(struct isp_capability *param)
{
int32_t ret = 0;
uint32_t win_num = 0;
win_num = ISP_AF_MAX_WIN_NUM;
ret = copy_to_user(param->property_param, (void*)&win_num, sizeof(win_num));
if (0 != ret) {
ret = -1;
printk("isp_k_capability_af_max_win_num: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_capability_time(struct isp_capability *param)
{
int32_t ret = 0;
struct isp_time time;
struct timespec ts;
ktime_get_ts(&ts);
time.sec = ts.tv_sec;
time.usec = ts.tv_nsec / NSEC_PER_USEC;
ret = copy_to_user(param->property_param, (void*)&time, sizeof(time));
if (0 != ret) {
ret = -1;
printk("isp_k_capability_time: copy error, ret=0x%x\n", (uint32_t)ret);
}
return ret;
}
int32_t isp_capability(void *param)
{
int32_t ret = 0;
struct isp_capability cap_param = {0, 0, NULL};
if (!param) {
printk("isp_capability: param is null error.\n");
return -1;
}
ret = copy_from_user((void *)&cap_param, (void*)param, sizeof(cap_param));
if ( 0 != ret) {
printk("isp_capability: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
if (NULL == cap_param.property_param) {
printk("isp_capability: property_param is null error.\n");
return -1;
}
switch(cap_param.index) {
case ISP_CAPABILITY_CHIP_ID:
ret = isp_k_capability_chip_id(&cap_param);
break;
case ISP_CAPABILITY_SINGLE_SIZE:
ret = isp_k_capability_single_size(&cap_param);
break;
case ISP_CAPABILITY_CONTINE_SIZE:
ret = isp_k_capability_continue_size(&cap_param);
break;
case ISP_CAPABILITY_AWB_WIN:
ret = isp_k_capability_awb_win(&cap_param);
break;
case ISP_CAPABILITY_AWB_DEFAULT_GAIN:
ret = isp_k_capability_awb_default_gain(&cap_param);
break;
case ISP_CAPABILITY_AF_MAX_WIN_NUM:
ret = isp_k_capability_af_max_win_num(&cap_param);
break;
case ISP_CAPABILITY_TIME:
ret = isp_k_capability_time(&cap_param);
break;
default:
printk("isp_capability: fail cmd id:%d, not supported.\n", cap_param.index);
break;
}
return ret;
}
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