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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_arbiter_block(struct isp_io_param *param)
{
int32_t ret = 0;
struct isp_dev_arbiter_info_v1 arbiter_info;
uint32_t val = 0;
memset(&arbiter_info, 0x00, sizeof(arbiter_info));
ret = copy_from_user((void *)&arbiter_info, param->property_param, sizeof(arbiter_info));
if (0 != ret) {
printk("isp_k_arbiter_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((arbiter_info.endian_ch0.bpc_endian & 0x3) << 8) | ((arbiter_info.endian_ch0.lens_endian & 0x3) << 6)
| ((arbiter_info.endian_ch0.store_endian & 0x3) << 4) | ((arbiter_info.endian_ch0.fetch_bit_reorder & 0x1) << 2)
| (arbiter_info.endian_ch0.fetch_endian & 0x3);
REG_WR(ISP_ARBITER_ENDIAN_CH0, val);
val = ((arbiter_info.endian_ch1.bpc_endian & 0x3) << 8) | ((arbiter_info.endian_ch1.lens_endian & 0x3) << 6)
| ((arbiter_info.endian_ch1.store_endian & 0x3) << 4) | ((arbiter_info.endian_ch1.fetch_bit_reorder & 0x1) << 2)
| (arbiter_info.endian_ch1.fetch_endian & 0x3);
REG_WR(ISP_ARBITER_ENDIAN_CH1, val);
val = (arbiter_info.para.pause_cycle & 0xFF) | ((arbiter_info.para.reset & 0x1) << 8);
REG_WR(ISP_ARBITER_PARAM, val);
return ret;
}
static int32_t isp_k_arbiter_wr_status(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t status = 0;
status = REG_RD(ISP_PRO_ARBITER_WR_STATUS);
ret = copy_to_user(param->property_param, (void*)&status, sizeof(status));
if (0 != ret) {
ret = -1;
printk("isp_k_arbiter_wr_status: copy_to_user error, ret = 0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_arbiter_rd_status(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t status = 0;
status = REG_RD(ISP_PRO_ARBITER_RD_STATUS);
ret = copy_to_user(param->property_param, (void*)&status, sizeof(status));
if (0 != ret) {
ret = -1;
printk("isp_k_arbiter_rd_status: copy_to_user error, ret = 0x%x\n", (uint32_t)ret);
}
return ret;
}
static int32_t isp_k_arbiter_endian_ch0(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct arbiter_endian_v1 endian = {0};
ret = copy_from_user((void *)&endian, param->property_param, sizeof(endian));
if (0 != ret) {
printk("isp_k_arbiter_endian_ch0: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((endian.bpc_endian & 0x3) << 8) | ((endian.lens_endian & 0x3) << 6) | ((endian.store_endian & 0x3) << 4)
| ((endian.fetch_bit_reorder & 0x1) << 2) | (endian.fetch_endian & 0x3);
REG_WR(ISP_ARBITER_ENDIAN_CH0, val);
return ret;
}
static int32_t isp_k_arbiter_endian_ch1(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct arbiter_endian_v1 endian = {0};
ret = copy_from_user((void *)&endian, param->property_param, sizeof(endian));
if (0 != ret) {
printk("isp_k_arbiter_endian_ch1: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = ((endian.bpc_endian & 0x3) << 8) | ((endian.lens_endian & 0x3) << 6) | ((endian.store_endian & 0x3) << 4)
| ((endian.fetch_bit_reorder & 0x1) << 2) | (endian.fetch_endian & 0x3);
REG_WR(ISP_ARBITER_ENDIAN_CH1, val);
return ret;
}
static int32_t isp_k_arbiter_param(struct isp_io_param *param)
{
int32_t ret = 0;
uint32_t val = 0;
struct arbiter_param_v1 para = {0};
ret = copy_from_user((void *)¶, param->property_param, sizeof(para));
if (0 != ret) {
printk("isp_k_arbiter_param: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
return -1;
}
val = (para.pause_cycle & 0xFF) | ((para.reset & 0x1) << 8);
REG_WR(ISP_ARBITER_PARAM, val);
return ret;
}
int32_t isp_k_cfg_arbiter(struct isp_io_param *param)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_arbiter: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_arbiter: property_param is null error.\n");
return -1;
}
switch (param->property) {
case ISP_PRO_ARBITER_BLOCK:
ret = isp_k_arbiter_block(param);
break;
case ISP_PRO_ARBITER_WR_STATUS:
ret = isp_k_arbiter_wr_status(param);
break;
case ISP_PRO_ARBITER_RD_STATUS:
ret = isp_k_arbiter_rd_status(param);
break;
case ISP_PRO_ARBITER_PARAM:
ret = isp_k_arbiter_param(param);
break;
case ISP_PRO_ARBITER_ENDIAN_CH0:
ret = isp_k_arbiter_endian_ch0(param);
break;
case ISP_PRO_ARBITER_ENDIAN_CH1:
ret = isp_k_arbiter_endian_ch1(param);
break;
default:
printk("isp_k_cfg_arbiter: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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