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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"
#define ISP_YUV_YGAMMA_BUF0 0
#define ISP_YUV_YGAMMA_BUF1 1
static int32_t isp_k_pingpang_yuv_ygamma(struct coordinate_xy *nodes,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
uint32_t i = 0, j = 0;
unsigned long ybuf_addr = 0;
struct coordinate_xy *p_nodes = NULL;
if (!nodes) {
ret = -1;
printk("isp_k_pingpang_yuv_ygamma: node is null error .\n");
return ret;
}
p_nodes = nodes;
if (ISP_YUV_YGAMMA_BUF0 == isp_private->yuv_ygamma_buf_id) {
ybuf_addr = ISP_YGAMMA_BUF1_CH0;
isp_private->yuv_ygamma_buf_id = ISP_YUV_YGAMMA_BUF1;
} else {
ybuf_addr = ISP_YGAMMA_BUF0_CH0;
isp_private->yuv_ygamma_buf_id = ISP_YUV_YGAMMA_BUF0;
}
for (i = 0, j = 0; i < ISP_PINGPANG_YUV_YGAMMA_NUM; i++, j += 4) {
REG_WR(ybuf_addr + j, p_nodes[i].node_y & 0xff);
}
if (isp_private->yuv_ygamma_buf_id) {
REG_OWR(ISP_YGAMMA_PARAM, BIT_1);
} else {
REG_MWR(ISP_YGAMMA_PARAM, BIT_1, 0);
}
return ret;
}
static int32_t isp_k_ygamma_block(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
uint32_t bypass;
struct isp_dev_ygamma_info *ygamma_info = (struct isp_dev_ygamma_info *)param->property_param;
struct coordinate_xy *nodes = NULL;
nodes = (struct coordinate_xy *)isp_private->yuv_ygamma_buf_addr;
if (!nodes) {
ret = -1;
printk("isp_k_ygamma_block: alloc memory error.\n");
return -1;
}
ret = copy_from_user((void *)&bypass, (void *)&ygamma_info->bypass, sizeof(uint32_t));
if (0 != ret) {
printk("isp_k_ygamma_block: copy bypass error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
ret = copy_from_user((void *)nodes, (void *)ygamma_info->nodes, ISP_YUV_YGAMMA_BUF_SIZE);
if (0 != ret) {
printk("isp_k_ygamma_block: copy nodes error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
ret = isp_k_pingpang_yuv_ygamma(nodes, isp_private);
if (0 != ret) {
printk("isp_k_ygamma_block: pingpang error, ret=0x%x\n", (uint32_t)ret);
return -1;
}
REG_MWR(ISP_YGAMMA_PARAM, BIT_0, bypass);
return ret;
}
int32_t isp_k_cfg_ygamma(struct isp_io_param *param,
struct isp_k_private *isp_private)
{
int32_t ret = 0;
if (!param) {
printk("isp_k_cfg_ygamma: param is null error.\n");
return -1;
}
if (NULL == param->property_param) {
printk("isp_k_cfg_ygamma: property_param is null error.\n");
return -1;
}
switch(param->property) {
case ISP_PRO_YGAMMA_BLOCK:
ret = isp_k_ygamma_block(param, isp_private);
break;
default:
printk("isp_k_cfg_ygamma: fail cmd id:%d, not supported.\n", param->property);
break;
}
return ret;
}
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