Files
vi-kernel/vvcam/isp/isp_rgbgamma.c
2022-09-13 10:34:22 +08:00

217 lines
6.3 KiB
C
Executable File

/****************************************************************************
*
* The MIT License (MIT)
*
* Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*****************************************************************************
*
* The GPL License (GPL)
*
* Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program;
*
*****************************************************************************
*
* Note: This software is released under dual MIT and GPL licenses. A
* recipient may use this file under the terms of either the MIT license or
* GPL License. If you wish to use only one license not the other, you can
* indicate your decision by deleting one of the above license notices in your
* version of this file.
*
*****************************************************************************/
#ifdef __KERNEL__
#include <linux/io.h>
#include <linux/module.h>
#else
#endif
#include "mrv_all_bits.h"
#include "isp_ioctl.h"
#include "isp_types.h"
extern MrvAllRegister_t *all_regs;
int isp_enable_rgbgamma(struct isp_ic_dev *dev)
{
#ifndef ISP_RGBGC
pr_err("unsupported function %s\n", __func__);
return -1;
#else
u32 isp_ctrl = isp_read_reg(dev, REG_ADDR(isp_ctrl));
REG_SET_SLICE(isp_ctrl, ISP_RGBGC_ENABLE, 1);
isp_write_reg(dev, REG_ADDR(isp_ctrl), isp_ctrl);
dev->rgbgamma.enable = true;
return 0;
#endif
}
int isp_disable_rgbgamma(struct isp_ic_dev *dev)
{
#ifndef ISP_RGBGC
pr_err("unsupported function %s\n", __func__);
return -1;
#else
u32 isp_ctrl = isp_read_reg(dev, REG_ADDR(isp_ctrl));
REG_SET_SLICE(isp_ctrl, ISP_RGBGC_ENABLE, 0);
isp_write_reg(dev, REG_ADDR(isp_ctrl), isp_ctrl);
dev->rgbgamma.enable = false;
return 0;
#endif
}
#ifdef ISP_RGBGC
static int isp_s_rgbgammapx(struct isp_ic_dev *dev, struct isp_rgbgamma_data *data)
{
u32 isp_gc_px_reg = REG_ADDR(isp_gcrgb_r_px_0);
u32 *p_table = NULL;
int i;
u32 gc_px_data = 0;
p_table = (u32 *)&data->rgbgc_r_px;
for (i = 0; i < 64; i++) {
gc_px_data |= (*(p_table + i) << (i % 6 * 5));
if (i % 6 == 5 || i == 63) {
isp_write_reg(dev, isp_gc_px_reg, gc_px_data);
isp_gc_px_reg += 4;
gc_px_data = 0;
}
}
isp_gc_px_reg = REG_ADDR(isp_gcrgb_g_px_0);
p_table = (u32 *)&data->rgbgc_g_px;
for (i = 0; i < 64; i++) {
gc_px_data |= (*(p_table + i) << (i % 6 * 5));
if (i % 6 == 5 || i == 63) {
isp_write_reg(dev, isp_gc_px_reg, gc_px_data);
isp_gc_px_reg += 4;
gc_px_data = 0;
}
}
isp_gc_px_reg = REG_ADDR(isp_gcrgb_b_px_0);
p_table = (u32 *)&data->rgbgc_b_px;
for (i = 0; i < 64; i++) {
gc_px_data |= (*(p_table + i) << (i % 6 * 5));
if (i % 6 == 5 || i == 63) {
isp_write_reg(dev, isp_gc_px_reg, gc_px_data);
isp_gc_px_reg += 4;
gc_px_data = 0;
}
}
return 0;
}
#endif
#ifdef ISP_RGBGC
static int isp_s_rgbgammaWriteData(struct isp_ic_dev *dev,
struct isp_rgbgamma_data *data)
{
u32 isp_gc_y_data, isp_gc_x_data;
int i;
u32 *tblX, *tblY;
isp_write_reg(dev, REG_ADDR(isp_gcrgb_r_x_addr), 0);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_r_y_addr), 0);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_g_x_addr), 0);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_g_y_addr), 0);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_b_x_addr), 0);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_b_y_addr), 0);
tblX = data->rgbgc_r_datax;
tblY = data->rgbgc_r_datay;
for (i = 0; i < 64; i++) {
isp_gc_y_data = *(tblY + i);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_r_y_write_data),
isp_gc_y_data);
}
for (i = 0; i < 63; i++) {
isp_gc_x_data = *(tblX + i);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_r_x_write_data),
isp_gc_x_data);
}
tblX = data->rgbgc_g_datax;
tblY = data->rgbgc_g_datay;
for (i = 0; i < 64; i++) {
isp_gc_y_data = *(tblY + i);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_g_y_write_data),
isp_gc_y_data);
}
for (i = 0; i < 63; i++) {
isp_gc_x_data = *(tblX + i);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_g_x_write_data),
isp_gc_x_data);
}
tblX = data->rgbgc_b_datax;
tblY = data->rgbgc_b_datay;
for (i = 0; i < 64; i++) {
isp_gc_y_data = *(tblY + i);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_b_y_write_data),
isp_gc_y_data);
}
for (i = 0; i < 63; i++) {
isp_gc_x_data = *(tblX + i);
isp_write_reg(dev, REG_ADDR(isp_gcrgb_b_x_write_data),
isp_gc_x_data);
}
return 0;
}
#endif
int isp_s_rgbgamma(struct isp_ic_dev *dev, struct isp_rgbgamma_data *data)
{
#ifndef ISP_RGBGC
pr_err("unsupported function %s", __func__);
return -1;
#else
u8 ret;
u32 isp_ctrl = isp_read_reg(dev, REG_ADDR(isp_ctrl));
REG_SET_SLICE(isp_ctrl, ISP_RGBGC_ENABLE, 0);
isp_write_reg(dev, REG_ADDR(isp_ctrl), isp_ctrl);
isp_s_rgbgammapx(dev, data);
isp_s_rgbgammaWriteData(dev, data);
ret = 0;
if (dev->rgbgamma.enable) {
ret = isp_enable_rgbgamma(dev);
}
return ret;
#endif
}