123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160 |
- /****************************************************************************
- *
- * 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.
- *
- *****************************************************************************/
- #include <linux/module.h>
- #include <linux/uaccess.h>
- #include "vvsensor.h"
- #include "../native/sensor/sensor_common.h"
- int32_t sensor_reset(void *dev);
- int32_t sensor_set_clk(void *dev, uint32_t clk);
- int32_t sensor_get_clk(void *dev, uint32_t *pclk);
- int32_t sensor_set_power(void *dev, uint32_t power);
- int32_t sensor_get_power(void *dev, uint32_t *ppower);
- int32_t sensor_reset(void *dev)
- {
- int ret = 0;
- struct vvcam_sensor_dev *psensor_dev = (struct vvcam_sensor_dev *)dev;
- if (gpio_is_valid(psensor_dev->rst_pin)) {
- gpio_direction_output(psensor_dev->rst_pin, 0);
- }
- if (gpio_is_valid(psensor_dev->pdn_pin)) {
- gpio_direction_output(psensor_dev->pdn_pin, 0);
- }
- udelay(10000);
- if (gpio_is_valid(psensor_dev->rst_pin)) {
- gpio_direction_output(psensor_dev->rst_pin, 1);
- }
- if (gpio_is_valid(psensor_dev->pdn_pin)) {
- gpio_direction_output(psensor_dev->pdn_pin, 1);
- }
- udelay(psensor_dev->pdn_delay_us);
- return 0;
- }
- int32_t sensor_set_clk(void *dev, uint32_t clk)
- {
- return 0;
- }
- int32_t sensor_get_clk(void *dev, uint32_t *pclk)
- {
- return 0;
- }
- int32_t sensor_set_power(void *dev, uint32_t power)
- {
- int ret = 0, i = 0, set_volt = 0;
- struct vvcam_sensor_dev *psensor_dev = (struct vvcam_sensor_dev *)dev;
- printk("sensor_set_power enter, power=%d\n", power);
- if (psensor_dev->regulators.num <= 0) {
- printk("no regulator for %s", psensor_dev->sensor_name);
- return -ENODEV;
- }
- for (i = 0; i < psensor_dev->regulators.num; i++) {
- if (gpio_is_valid(psensor_dev->rst_pin)) {
- gpio_direction_output(psensor_dev->rst_pin, 0); // make sure reset is low before power up
- }
- if (gpio_is_valid(psensor_dev->pdn_pin)) {
- gpio_direction_output(psensor_dev->pdn_pin, 0);
- }
- if (power == 1) {
- if(psensor_dev->regulators.supply[i] == NULL) {
- psensor_dev->regulators.supply[i] = devm_regulator_get(psensor_dev->dev, psensor_dev->regulators.name[i]);
- }
- if(psensor_dev->regulators.voltage[i] != 0) {
- ret = regulator_set_voltage_tol(psensor_dev->regulators.supply[i], psensor_dev->regulators.voltage[i], 0);
- if(ret != 0){
- pr_err("fail to set voltage to %s\n", psensor_dev->regulators.name[i] );
- return -1;
- }
- set_volt = regulator_get_voltage(psensor_dev->regulators.supply[i]);
- pr_info("%s set regulator %s to %d uV\n",psensor_dev->sensor_name, psensor_dev->regulators.name[i], set_volt );
- }
- ret = regulator_enable(psensor_dev->regulators.supply[i]);
- } else if (power == 0) {
- if (psensor_dev->regulators.supply[i] == NULL) {
- pr_info("the supply already is null\n");
- return 0;
- }
- pr_info("%s disable regulator %s \n",psensor_dev->sensor_name, psensor_dev->regulators.name[i] );
- ret = regulator_disable(psensor_dev->regulators.supply[i]);
- if (ret == 0) {
- devm_regulator_put(psensor_dev->regulators.supply[i]);
- psensor_dev->regulators.supply[i] = NULL;
- }
- } else {
- return -1;
- }
- if (ret)
- return ret;
- udelay(psensor_dev->regulators.delay_us[i]);
- }
- return 0;
- }
- int32_t sensor_get_power(void *dev, uint32_t *ppower)
- {
- return 0;
- }
|