/*
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* Copyright (c) 2019 Rockchip Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include "FlashLight.h"
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#include "xcam_log.h"
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#include "linux/rk-led-flash.h"
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namespace RkCam {
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FlashLightHw::FlashLightHw(std::string name[], int num)
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{
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if (num >= FLASH_MAX_NUM) {
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LOGE_CAMHW_SUBM(FL_SUBM, "not support flash num %d", num);
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return ;
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}
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_dev_num = 0;
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for (int i = 0 ; i < num; i++) {
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_fl_device[i] = new V4l2SubDevice(name[i].c_str());
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_dev_num++;
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}
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_active_fl_num = 0;
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_keep_status = false;
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xcam_mem_clear (_flash_settings);
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}
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FlashLightHw::~FlashLightHw()
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{
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}
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XCamReturn
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FlashLightHw::init(int active_num)
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{
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XCAM_ASSERT (active_num <= _dev_num);
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for (int i = 0 ; i < active_num; i++) {
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_fl_device[i]->open();
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_active_fl_num++;
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}
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get_flash_info ();
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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FlashLightHw::deinit()
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{
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if (!_keep_status) {
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v4l_set_params(RK_AIQ_FLASH_MODE_OFF, 0, 0, false);
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xcam_mem_clear (_flash_settings);
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}
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for (int i = 0 ; i < _active_fl_num; i++) {
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_fl_device[i]->close();
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}
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_active_fl_num = 0;
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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FlashLightHw::start()
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{
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for (int i = 0 ; i < _active_fl_num; i++) {
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_fl_device[i]->start();
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}
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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FlashLightHw::stop()
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{
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if (!_keep_status) {
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v4l_set_params(RK_AIQ_FLASH_MODE_OFF, 0, 0, false);
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xcam_mem_clear (_flash_settings);
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}
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for (int i = 0 ; i < _active_fl_num; i++) {
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_fl_device[i]->stop();
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}
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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FlashLightHw::set_params(rk_aiq_flash_setting_t& flash_settings)
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{
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XCamReturn ret = XCAM_RETURN_NO_ERROR;
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// set flash if needed
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rk_aiq_flash_setting_t* old_flash_settings = &_flash_settings;
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if ((old_flash_settings->flash_mode != flash_settings.flash_mode) ||
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(old_flash_settings->strobe != flash_settings.strobe) ||
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(old_flash_settings->power[0] != flash_settings.power[0]) ||
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(old_flash_settings->power[1] != flash_settings.power[1])
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) {
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LOGD_CAMHW_SUBM(FL_SUBM, "flash_settings: mode:%d,power:%f,timeout_ms:%d,strobe:%d",
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flash_settings.flash_mode, flash_settings.power[0],
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flash_settings.timeout_ms, flash_settings.strobe);
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ret = v4l_set_params(flash_settings.flash_mode, flash_settings.power,
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flash_settings.timeout_ms, flash_settings.strobe);
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if (!ret)
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_flash_settings = flash_settings;
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}
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return ret;
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}
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XCamReturn
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FlashLightHw::get_status (rk_aiq_flash_setting_t& flash_settings, int frame_id)
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{
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if (!_active_fl_num)
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return XCAM_RETURN_ERROR_FAILED;
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flash_settings = _flash_settings;
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if (_fl_device[0].ptr()) {
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struct timeval flash_time;
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if (_fl_device[0]->io_control (RK_VIDIOC_FLASH_TIMEINFO, &flash_time) < 0) {
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LOGE_CAMHW_SUBM(FL_SUBM, " get RK_VIDIOC_FLASH_TIMEINFO failed. cmd = 0x%x", RK_VIDIOC_FLASH_TIMEINFO);
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/* return XCAM_RETURN_ERROR_IOCTL; */
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}
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flash_settings.effect_ts = (int64_t)flash_time.tv_sec * 1000 * 1000 +
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(int64_t)flash_time.tv_usec;
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LOGD_CAMHW_SUBM(FL_SUBM, "frameid %d, get RK_VIDIOC_FLASH_TIMEINFO flash ts %lld",
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frame_id, flash_settings.effect_ts);
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}
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// for the following case:
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// 1) set to flash mode
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// 2) one flash power set to 0
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// then we can't get the effect ts from the node which power set to 0
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if (_fl_device[1].ptr() && flash_settings.effect_ts == 0 &&
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flash_settings.power[0] != flash_settings.power[1]) {
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struct timeval flash_time;
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if (_fl_device[1]->io_control (RK_VIDIOC_FLASH_TIMEINFO, &flash_time) < 0) {
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LOGE_CAMHW_SUBM(FL_SUBM, " get RK_VIDIOC_FLASH_TIMEINFO failed. cmd = 0x%x", RK_VIDIOC_FLASH_TIMEINFO);
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/* return XCAM_RETURN_ERROR_IOCTL; */
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}
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flash_settings.effect_ts = (int64_t)flash_time.tv_sec * 1000 * 1000 +
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(int64_t)flash_time.tv_usec;
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LOGD_CAMHW_SUBM(FL_SUBM, "frameid %d, get RK_VIDIOC_FLASH_TIMEINFO flash ts %lld",
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frame_id, flash_settings.effect_ts);
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}
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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FlashLightHw::v4l_set_params(int fl_mode, float fl_intensity[], int fl_timeout, int fl_on)
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{
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struct v4l2_control control;
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int fl_v4l_mode;
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int i = 0;
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#define set_fl_contol_to_dev(fl_dev,control_id,val) \
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{\
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xcam_mem_clear (control); \
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control.id = control_id; \
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control.value = val; \
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if (fl_dev->io_control (VIDIOC_S_CTRL, &control) < 0) { \
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LOGE_CAMHW_SUBM(FL_SUBM, " set fl %s to %d failed", #control_id, val); \
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return XCAM_RETURN_ERROR_IOCTL; \
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} \
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LOGD_CAMHW_SUBM(FL_SUBM, "set fl %p, cid %s to %d, success",\
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fl_dev.ptr(), #control_id, val); \
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}\
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if (fl_mode == RK_AIQ_FLASH_MODE_OFF)
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fl_v4l_mode = V4L2_FLASH_LED_MODE_NONE;
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else if (fl_mode == RK_AIQ_FLASH_MODE_FLASH || fl_mode == RK_AIQ_FLASH_MODE_FLASH_MAIN)
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fl_v4l_mode = V4L2_FLASH_LED_MODE_FLASH;
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else if (fl_mode == RK_AIQ_FLASH_MODE_FLASH_PRE || fl_mode == RK_AIQ_FLASH_MODE_TORCH)
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fl_v4l_mode = V4L2_FLASH_LED_MODE_TORCH;
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else {
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LOGE_CAMHW_SUBM(FL_SUBM, " set fl to mode %d failed", fl_mode);
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return XCAM_RETURN_ERROR_PARAM;
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}
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SmartPtr<V4l2SubDevice> fl_device;
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if (fl_v4l_mode == V4L2_FLASH_LED_MODE_NONE) {
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for (i = 0; i < _active_fl_num; i++) {
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fl_device = _fl_device[i];
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set_fl_contol_to_dev(fl_device, V4L2_CID_FLASH_LED_MODE, V4L2_FLASH_LED_MODE_NONE);
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}
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} else if (fl_v4l_mode == V4L2_FLASH_LED_MODE_FLASH) {
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for (i = 0; i < _active_fl_num; i++) {
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fl_device = _fl_device[i];
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set_fl_contol_to_dev(fl_device, V4L2_CID_FLASH_LED_MODE, V4L2_FLASH_LED_MODE_FLASH);
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set_fl_contol_to_dev(fl_device, V4L2_CID_FLASH_TIMEOUT, fl_timeout * 1000);
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if (_v4l_flash_info[i].fl_strth_adj_enable) {
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int flash_power =
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fl_intensity[i] * (_v4l_flash_info[i].flash_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MAX]);
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set_fl_contol_to_dev(fl_device, V4L2_CID_FLASH_INTENSITY, flash_power);
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LOGD_CAMHW_SUBM(FL_SUBM, "set flash: flash:%f max:%d set:%d\n",
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fl_intensity[i],
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_v4l_flash_info[i].flash_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MAX],
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flash_power);
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}
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}
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// shoude flash on all finally
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for (i = 0; i < _active_fl_num; i++) {
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set_fl_contol_to_dev(fl_device,
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fl_on ? V4L2_CID_FLASH_STROBE : V4L2_CID_FLASH_STROBE_STOP, 0);
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}
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} else if (fl_v4l_mode == V4L2_FLASH_LED_MODE_TORCH) {
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for (i = 0; i < _active_fl_num; i++) {
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fl_device = _fl_device[i];
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if (_v4l_flash_info[i].tc_strth_adj_enable) {
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int torch_power =
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fl_intensity[i] * (_v4l_flash_info[i].torch_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MAX]);
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set_fl_contol_to_dev(fl_device, V4L2_CID_FLASH_TORCH_INTENSITY, torch_power);
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LOGD_CAMHW_SUBM(FL_SUBM, "set flash: torch:%f max:%d set:%d\n",
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fl_intensity[i],
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_v4l_flash_info[i].torch_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MAX],
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torch_power);
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}
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set_fl_contol_to_dev(fl_device, V4L2_CID_FLASH_LED_MODE, V4L2_FLASH_LED_MODE_TORCH);
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}
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} else {
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LOGE_CAMHW_SUBM(FL_SUBM, "|||set_3a_fl error fl mode %d", fl_mode);
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return XCAM_RETURN_ERROR_PARAM;
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}
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return XCAM_RETURN_NO_ERROR;
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}
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int
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FlashLightHw::get_flash_info ()
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{
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struct v4l2_queryctrl ctrl;
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int flash_power, torch_power;
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SmartPtr<V4l2SubDevice> fl_device;
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for (int i = 0; i < _active_fl_num; i++) {
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fl_device = _fl_device[i];
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memset(&ctrl, 0, sizeof(ctrl));
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ctrl.id = V4L2_CID_FLASH_INTENSITY;
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if (fl_device->io_control(VIDIOC_QUERYCTRL, &ctrl) < 0) {
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LOGE_CAMHW_SUBM(FL_SUBM, "query V4L2_CID_FLASH_INTENSITY failed. cmd = 0x%x",
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V4L2_CID_FLASH_INTENSITY);
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return -errno;
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}
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_v4l_flash_info[i].flash_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MIN] =
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ctrl.minimum;
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_v4l_flash_info[i].flash_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MAX] =
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ctrl.maximum;
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_v4l_flash_info[i].flash_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_DEFAULT] =
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ctrl.default_value;
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_v4l_flash_info[i].flash_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_STEP] =
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ctrl.step;
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_v4l_flash_info[i].fl_strth_adj_enable = !(ctrl.flags & V4L2_CTRL_FLAG_READ_ONLY);
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LOGD_CAMHW_SUBM(FL_SUBM, "fl_dev[%d], flash power range:[%d,%d], adjust enable %d",
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i, ctrl.minimum, ctrl.maximum, _v4l_flash_info[i].fl_strth_adj_enable);
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memset(&ctrl, 0, sizeof(ctrl));
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ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
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if (fl_device->io_control(VIDIOC_QUERYCTRL, &ctrl) < 0) {
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LOGE_CAMHW_SUBM(FL_SUBM, "query V4L2_CID_FLASH_TORCH_INTENSITY failed. cmd = 0x%x",
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V4L2_CID_FLASH_TORCH_INTENSITY);
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return -errno;
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}
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_v4l_flash_info[i].torch_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MIN] =
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ctrl.minimum;
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_v4l_flash_info[i].torch_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_MAX] =
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ctrl.maximum;
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_v4l_flash_info[i].torch_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_DEFAULT] =
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ctrl.default_value;
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_v4l_flash_info[i].torch_power_info[RK_AIQ_V4L_FLASH_QUERY_TYPE_E_STEP] =
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ctrl.step;
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_v4l_flash_info[i].tc_strth_adj_enable = !(ctrl.flags & V4L2_CTRL_FLAG_READ_ONLY);
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LOGD_CAMHW_SUBM(FL_SUBM, "fl_dev[%d], torch power range:[%d,%d], adjust enable %d",
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i, ctrl.minimum, ctrl.maximum, _v4l_flash_info[i].tc_strth_adj_enable);
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}
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return XCAM_RETURN_NO_ERROR;
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}
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};
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