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https://github.com/thead-yocto-mirror/vi-kernel
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Linux_SDK_V0.9.5
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thead_admin
155
vvcam/isp/isp_compand.c
Executable file
155
vvcam/isp/isp_compand.c
Executable file
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/****************************************************************************
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*****************************************************************************
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*
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* The GPL License (GPL)
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*
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* Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program;
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*
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*****************************************************************************
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*
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* Note: This software is released under dual MIT and GPL licenses. A
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* recipient may use this file under the terms of either the MIT license or
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* GPL License. If you wish to use only one license not the other, you can
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* indicate your decision by deleting one of the above license notices in your
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* version of this file.
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*
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*****************************************************************************/
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#ifdef __KERNEL__
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#include <linux/io.h>
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#include <linux/module.h>
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#endif
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#include "mrv_all_bits.h"
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#include "isp_ioctl.h"
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#include "isp_types.h"
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extern MrvAllRegister_t *all_regs;
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int isp_s_comp(struct isp_ic_dev *dev)
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{
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#ifndef ISP_COMPAND
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pr_err("unsupported function: %s", __func__);
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return -EINVAL;
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#else
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struct isp_comp_context *comp = &dev->comp;
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int ri, valr;
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uint32_t x_data;
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uint32_t y_data;
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u32 isp_compand_ctrl = isp_read_reg(dev, REG_ADDR(isp_compand_ctrl));
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/*pr_debug("enter %s\n", __func__);*/
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if (comp->bls.enable) {
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isp_write_reg(dev, REG_ADDR(isp_compand_bls_a_fixed), comp->bls.a << (20 - comp->bls.bit_width));
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isp_write_reg(dev, REG_ADDR(isp_compand_bls_b_fixed), comp->bls.b << (20 - comp->bls.bit_width));
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isp_write_reg(dev, REG_ADDR(isp_compand_bls_c_fixed), comp->bls.c << (20 - comp->bls.bit_width));
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isp_write_reg(dev, REG_ADDR(isp_compand_bls_d_fixed), comp->bls.d << (20 - comp->bls.bit_width));
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}
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if (!comp->enable) {
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REG_SET_SLICE(isp_compand_ctrl, COMPAND_CTRL_BLS_ENABLE, 0);
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REG_SET_SLICE(isp_compand_ctrl, COMPAND_CTRL_COMPRESS_ENABLE, 0);
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REG_SET_SLICE(isp_compand_ctrl, COMPAND_CTRL_EXPAND_ENABLE, 0);
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isp_write_reg(dev, REG_ADDR(isp_compand_ctrl), isp_compand_ctrl);
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return 0;
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}
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if (comp->expand.enable && comp->expand.update_curve) {
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for (ri = 0; ri < 10; ri++) {
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valr = (comp->expand.px[ri * 6 + 0] + (20-comp->expand.in_bit)) |
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((comp->expand.px[ri * 6 + 1] + (20-comp->expand.in_bit)) << 5) |
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((comp->expand.px[ri * 6 + 2] + (20-comp->expand.in_bit)) << 10) |
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((comp->expand.px[ri * 6 + 3] + (20-comp->expand.in_bit)) << 15) |
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((comp->expand.px[ri * 6 + 4] + (20-comp->expand.in_bit)) << 20) |
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((comp->expand.px[ri * 6 + 5] + (20-comp->expand.in_bit)) << 25);
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isp_write_reg(dev, REG_ADDR(isp_compand_expand_px_0) + ri * 4, valr);
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}
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valr = ( comp->expand.px[60] + (20-comp->expand.in_bit)) |
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((comp->expand.px[61] + (20-comp->expand.in_bit)) << 5) |
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((comp->expand.px[62] + (20-comp->expand.in_bit)) << 10) |
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((comp->expand.px[63] + (20-comp->expand.in_bit)) << 15);
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isp_write_reg(dev, REG_ADDR(isp_compand_expand_px_10), valr);
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isp_write_reg(dev, REG_ADDR(isp_compand_expand_x_addr), 0x0);
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for (ri = 0; ri < 63; ri++) {
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x_data = (comp->expand.x_data[ri] << (20 - comp->expand.in_bit));
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isp_write_reg(dev, REG_ADDR(isp_compand_expand_x_write_data), x_data);
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}
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isp_write_reg(dev, REG_ADDR(isp_compand_expand_y_addr), 0x0);
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for (ri = 0; ri < 64; ri++) {
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y_data = (comp->expand.y_data[ri] << (20 - comp->expand.out_bit));
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isp_write_reg(dev, REG_ADDR(isp_compand_expand_y_write_data), y_data);
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}
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}
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if (comp->compress.enable && comp->compress.update_curve) {
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for (ri = 0; ri < 10; ri++) {
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valr = comp->compress.px[ri * 6 + 0] |
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(comp->compress.px[ri * 6 + 1] << 5) |
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(comp->compress.px[ri * 6 + 2] << 10) |
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(comp->compress.px[ri * 6 + 3] << 15) |
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(comp->compress.px[ri * 6 + 4] << 20) |
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(comp->compress.px[ri * 6 + 5] << 25);
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isp_write_reg(dev, REG_ADDR(isp_compand_compress_px_0) + ri * 4, valr);
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}
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valr = comp->compress.px[60] | (comp->compress.px[61] << 5) | (comp->compress.px[62] << 10) | (comp->compress.px[63] << 15);
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isp_write_reg(dev, REG_ADDR(isp_compand_compress_px_10), valr);
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isp_write_reg(dev, REG_ADDR(isp_compand_compress_x_addr), 0x0);
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for (ri = 0; ri < 63; ri++) {
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x_data = (comp->compress.x_data[ri] << (20 - comp->compress.in_bit));
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isp_write_reg(dev, REG_ADDR(isp_compand_compress_x_write_data), x_data);
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}
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isp_write_reg(dev, REG_ADDR(isp_compand_compress_y_addr), 0x0);
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for (ri = 0; ri < 64; ri++) {
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y_data = (comp->compress.y_data[ri] << (20 - comp->compress.out_bit));
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isp_write_reg(dev, REG_ADDR(isp_compand_compress_y_write_data), y_data);
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}
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}
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REG_SET_SLICE(isp_compand_ctrl, COMPAND_CTRL_BLS_ENABLE, comp->bls.enable);
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REG_SET_SLICE(isp_compand_ctrl, COMPAND_CTRL_COMPRESS_ENABLE, comp->compress.enable);
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REG_SET_SLICE(isp_compand_ctrl, COMPAND_CTRL_EXPAND_ENABLE, comp->expand.enable);
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REG_SET_SLICE(isp_compand_ctrl, COMPAND_CTRL_EXPAND_ENABLE, 0);
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isp_write_reg(dev, REG_ADDR(isp_compand_ctrl), isp_compand_ctrl);
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return 0;
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#endif
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}
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