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- /****************************************************************************
- *
- * 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 <linux/i2c.h>
- #include <linux/slab.h>
- #include <linux/interrupt.h>
- #include <linux/cdev.h>
- #include <linux/debugfs.h>
- #include <linux/delay.h>
- #include <linux/gpio.h>
- #include <linux/io.h>
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/of.h>
- #include <linux/of_address.h>
- #include <linux/of_gpio.h>
- #include <linux/platform_device.h>
- #include <linux/spinlock.h>
- #include "flash_led_ioctl.h"
- #include "flash_led_driver.h"
- void frame_irq_cnt_clear(struct flash_led_ctrl *pflash_led_dev);
- extern struct flash_led_function_s aw36515_function;
- extern struct flash_led_function_s aw36413_function;
- static struct flash_led_function_s *floodlight_func = &aw36413_function;
- static struct flash_led_function_s *projection_func = &aw36515_function;
- #define check_retval(x)\
- do {\
- if ((x))\
- return -EIO;\
- } while (0)
- /*
- static int32_t flash_led_sccb_config(struct flash_led_dev *dev, struct flash_led_sccb_cfg_s *sccb_config)
- {
- dev->flash_led_sccb_cfg.slave_addr = sccb_config->slave_addr;
- dev->flash_led_sccb_cfg.addr_byte = sccb_config->addr_byte;
- dev->flash_led_sccb_cfg.data_byte = sccb_config->data_byte;
- return 0;
- }
- */
- static int i2c_write_reg(struct i2c_client *client,unsigned int slave_address,
- unsigned int reg_addr,unsigned int reg_length,
- unsigned int data, unsigned int data_length)
- {
- int ret;
- unsigned int i;
- struct i2c_msg msgs[2];
- unsigned char sendbuf[16];
- unsigned int send_len = 0;
- if (client == NULL)
- return -1;
- memset(msgs,0,sizeof(msgs));
- memset(sendbuf,0,sizeof(sendbuf));
- for (i=0; i < reg_length; i++)
- {
- sendbuf[send_len++] = (reg_addr >> ((reg_length -1 - i)<<3)) & 0xff;
- }
- for (i=0; i < data_length; i++)
- {
- sendbuf[send_len++] = (data >> ((data_length -1 - i)<<3)) & 0xff;
- }
- msgs[0].addr = slave_address;
- msgs[0].flags = client->flags & I2C_M_TEN;
- msgs[0].len = send_len;
- msgs[0].buf = sendbuf;
- ret = i2c_transfer(client->adapter, msgs, 1);
- if (ret != 1)
- {
- return -1;
- }
- return 0;
- }
- static int i2c_read_reg(struct i2c_client *client,unsigned int slave_address,
- unsigned int reg_addr,unsigned int reg_length,
- unsigned char * pdata, unsigned int data_length)
- {
- int ret;
- unsigned int i;
- struct i2c_msg msgs[2];
- unsigned char sendbuf[16];
- unsigned int send_len = 0;
- unsigned char readbuf[16];
- if (client == NULL || pdata == NULL)
- return -1;
- memset(msgs,0,sizeof(msgs));
- memset(sendbuf,0,sizeof(sendbuf));
- memset(readbuf,0,sizeof(readbuf));
- for (i=0; i < reg_length; i++)
- {
- sendbuf[send_len++] = (reg_addr >> ((reg_length -1 - i)<<3)) & 0xff;
- }
- msgs[0].addr = slave_address;
- msgs[0].flags = client->flags & I2C_M_TEN;
- msgs[0].len = send_len;
- msgs[0].buf = sendbuf;
- msgs[1].addr = slave_address;
- msgs[1].flags = client->flags & I2C_M_TEN;
- msgs[1].flags |= I2C_M_RD;
- msgs[1].len = data_length;
- msgs[1].buf = readbuf;
- ret = i2c_transfer(client->adapter, msgs, 2);
- if (ret != 2) {
- return -1;
- }
- for (i = 0; i < data_length; i++) {
- pdata[i] = readbuf[data_length -1 - i];
- }
- return 0;
- }
- int32_t flash_led_i2c_write(struct flash_led_dev *dev, uint32_t address, uint32_t data)
- {
- int32_t ret = 0;
- if((NULL == dev))
- {
- return -1;
- }
- ret = i2c_write_reg(dev->i2c_client,dev->flash_led_sccb_cfg.slave_addr,
- address,dev->flash_led_sccb_cfg.addr_byte,
- data,dev->flash_led_sccb_cfg.data_byte);
- if (ret != 0) {
- printk("%s error\n", __func__);
- }
- return ret;
- }
- int32_t flash_led_i2c_read(struct flash_led_dev *dev, uint32_t address, uint32_t *pdata)
- {
- int32_t ret = 0;
- if((NULL == dev))
- {
- return -1;
- }
- ret = i2c_read_reg(dev->i2c_client,dev->flash_led_sccb_cfg.slave_addr,
- address, dev->flash_led_sccb_cfg.addr_byte,
- (unsigned char *)pdata, dev->flash_led_sccb_cfg.data_byte);
- return ret;
- }
- long flash_led_priv_ioctl(struct flash_led_ctrl *dev, unsigned int cmd, void __user *args)
- {
- int ret = -1;
- flash_bright_cfg_t bright;
- flash_led_reg_t reg;
- flash_ch_t ch;
- flash_mode_t mode;
- flash_led_enable_mask_t flash_led;
- struct flash_led_dev *floodlight = &dev->floodlight;
- struct flash_led_dev *projection = &dev->projection;
- if (!dev) {
- pr_err("-->%s: null point!\n", __func__);
- return ret;
- }
- switch (cmd) {
- case FLASH_LED_IOCTL_ENABLE_CH:
- check_retval(copy_from_user(&ch, args, sizeof(ch)));
- if (ch.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
- ret = floodlight->flash_led_func->enable_channel(floodlight, ch.channel);
- } else if (projection->flash_led_func != NULL) {
- ret = projection->flash_led_func->enable_channel(projection, ch.channel);
- }
- break;
- case FLASH_LED_IOCTL_DISABLE_CH:
- check_retval(copy_from_user(&ch, args, sizeof(ch)));
- if (ch.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
- ret = floodlight->flash_led_func->disable_channel(floodlight, ch.channel);
- } else if (projection->flash_led_func != NULL) {
- ret = projection->flash_led_func->disable_channel(projection, ch.channel);
- }
- break;
- case FLASH_LED_IOCTL_SET_MODE:
- check_retval(copy_from_user(&mode, args, sizeof(mode)));
- if (mode.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
- ret = floodlight->flash_led_func->set_mode(floodlight, mode.mode);
- } else if (projection->flash_led_func != NULL) {
- ret = projection->flash_led_func->set_mode(projection, mode.mode);
- }
- break;
- case FLASH_LED_IOCTL_SET_FLASH_BRIGHT:
- check_retval(copy_from_user(&bright, args, sizeof(bright)));
- if (bright.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
- ret = floodlight->flash_led_func->set_flash_brightness(floodlight, bright.channel, bright.value);
- } else if (projection->flash_led_func != NULL) {
- ret = projection->flash_led_func->set_flash_brightness(projection, bright.channel, bright.value);
- }
- break;
- case FLASH_LED_IOCTL_SET_TORCH_BRIGHT:
- check_retval(copy_from_user(&bright, args, sizeof(bright)));
- if (bright.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
- ret = floodlight->flash_led_func->set_torch_brightness(floodlight, bright.channel, bright.value);
- } else if (projection->flash_led_func != NULL) {
- ret = projection->flash_led_func->set_torch_brightness(projection, bright.channel, bright.value);
- }
- break;
- case FLASH_LED_IOCTL_WRITE_REG:
- check_retval(copy_from_user(®, args, sizeof(reg)));
- if (reg.type == FLOODLIGHT && floodlight->i2c_bus != UNDEFINED_IN_DTS) {
- ret = flash_led_i2c_write(floodlight, reg.offset, reg.value);
- } else if(projection->i2c_bus != UNDEFINED_IN_DTS) {
- ret = flash_led_i2c_write(projection, reg.offset, reg.value);
- }
- break;
- case FLASH_LED_IOCTL_READ_REG:
- check_retval(copy_from_user(®, args, sizeof(reg)));
- if (reg.type == FLOODLIGHT && floodlight->i2c_bus != UNDEFINED_IN_DTS) {
- ret = flash_led_i2c_read(floodlight, reg.offset, ®.value);
- } else if(projection->i2c_bus != UNDEFINED_IN_DTS) {
- ret = flash_led_i2c_read(projection, reg.offset, ®.value);
- }
- check_retval(copy_to_user(args, ®, sizeof(reg)));
- break;
- case FLASH_LED_IOCTL_ENABLE:
- check_retval(copy_from_user(&flash_led, args, sizeof(flash_led)));
- frame_irq_cnt_clear(dev);
- dev->enable |= flash_led;
- flash_led_switch(dev,0);
- ret = 0;
- break;
- case FLASH_LED_IOCTL_DISABLE:
- check_retval(copy_from_user(&flash_led, args, sizeof(flash_led)));
- dev->enable &= ~flash_led;
- if (flash_led & FLOODLIGHT_EN && floodlight->flash_led_func != NULL) {
- floodlight->flash_led_func->disable_channel(floodlight, 3);
- }
- if (flash_led & PROJECTION_EN && projection->flash_led_func != NULL) {
- projection->flash_led_func->disable_channel(projection, 3);
- }
- ret = 0;
- break;
- case FLASH_LED_IOCTL_GET_FRAME_MASK_INFO_ADDR: {
- unsigned long addr;
- addr = dev->frame_mark_info_addr;
- pr_info("FLASH_LED_IOCTL_GET_FRAME_MASK_INFO_ADDR 0x%lx\n", addr);
- check_retval(copy_to_user(args, &addr, sizeof(addr)));
- ret = 0;
- }
- break;
- case FLASH_LED_IOCTL_SET_SWITCH_MODE: {
- check_retval(copy_from_user(&dev->switch_mode,args, sizeof(dev->switch_mode)));
- pr_info("FLASH_LED_IOCTL_SET_SWITCH_MODE 0x%lx\n", dev->switch_mode);
- ret = 0;
- }
- break;
- default:
- printk("%s, %d, flash led cmd error, cmd %u\n", __func__, __LINE__, cmd);
- return -ENOTTY;
- }
- return ret;
- }
- static int register_i2c_client(struct flash_led_dev *dev)
- {
- struct i2c_adapter *adap;
- struct i2c_board_info flash_led_i2c_info = {
- .type = "flash_led",
- .addr = dev->flash_led_sccb_cfg.slave_addr,
- };
- if (dev->i2c_bus == UNDEFINED_IN_DTS) {
- return 0;
- }
- flash_led_i2c_info.addr &= 0xff;
- adap = i2c_get_adapter(dev->i2c_bus);
- if (adap == NULL)
- {
- pr_err("[%s]:i2c_get_adapter i2c_bus %d failed\n",__func__,dev->i2c_bus);
- return -1;
- }
- strscpy(flash_led_i2c_info.type, dev->flash_led_func->flash_led_name, I2C_NAME_SIZE);
- dev->i2c_client = i2c_new_client_device(adap, &flash_led_i2c_info);
- i2c_put_adapter(adap);
- if (dev->i2c_client == NULL) {
- pr_err("[%s]:i2c_new_client_device i2c_bus %d failed\n",__func__,dev->i2c_bus);
- return -1;
- }
- return 0;
- }
- static void unregister_i2c_client(struct flash_led_dev *dev)
- {
- i2c_unregister_device(dev->i2c_client);
- }
- int flash_led_init(struct flash_led_ctrl *dev)
- {
- int ret = 0;
- struct flash_led_dev *floodlight = &dev->floodlight;
- struct flash_led_dev *projection = &dev->projection;
- floodlight->flash_led_sccb_cfg.slave_addr = dev->device_idx+1;
- projection->flash_led_sccb_cfg.slave_addr = dev->device_idx+2;
- floodlight->flash_led_func = NULL;
- projection->flash_led_func = NULL;
- if (floodlight->i2c_bus == UNDEFINED_IN_DTS && projection->i2c_bus == UNDEFINED_IN_DTS) {
- pr_warn("%s, %d, flash_led i2c bus invalid\n",__func__, __LINE__);
- return -1;
- }
- dev->switch_mode = BOTH_OFF;
- if (floodlight->i2c_bus != UNDEFINED_IN_DTS) {
- floodlight->flash_led_func = floodlight_func;
- dev->switch_mode = FLOODLIGHT_ALWAYS_ON;
- }
- if (projection->i2c_bus != UNDEFINED_IN_DTS) {
- projection->flash_led_func = projection_func;
- dev->switch_mode = dev->switch_mode == FLOODLIGHT_ALWAYS_ON ?
- PROJECTION_EVEN_FLOODLIGHT_ODD:PROJECTION_ALWAYS_ON;
- }
- if (floodlight->i2c_bus == projection->i2c_bus) {
- pr_info("%s, %d, floodlight->i2c_bus = %d projection->i2c_bus %d\n", __func__, __LINE__, floodlight->i2c_bus, projection->i2c_bus);
- ret = register_i2c_client(floodlight);
- if (ret != 0) {
- pr_err("[%s]: register_i2c_client flash_led_idx = %d failed\n",__func__, dev->device_idx);
- return -1;
- }
- projection->i2c_client = floodlight->i2c_client;
- } else {
- if (floodlight->i2c_bus != UNDEFINED_IN_DTS) {
- pr_info("%s, %d, floodlight->i2c_bus = %d \n", __func__, __LINE__, floodlight->i2c_bus);
- ret = register_i2c_client(floodlight);
- if (ret != 0) {
- pr_err("[%s]: floodlight register_i2c_client flash_led_idx = %d failed\n",__func__, dev->device_idx);
- return -1;
- }
- }
- if (projection->i2c_bus != UNDEFINED_IN_DTS) {
- pr_info("%s, %d, projection->i2c_bus %d\n", __func__, __LINE__, projection->i2c_bus);
- ret = register_i2c_client(projection);
- if (ret != 0) {
- pr_err("[%s]: projection register_i2c_client flash_led_idx = %d failed\n",__func__, dev->device_idx);
- return -1;
- }
- }
- }
- pr_info("%s,%d, exit\n", __func__, __LINE__);
- return ret;
- }
- int flash_led_deinit(struct flash_led_ctrl *dev)
- {
- int ret = 0, err = 0;
- struct flash_led_dev *floodlight = &dev->floodlight;
- struct flash_led_dev *projection = &dev->projection;
- if (floodlight->flash_led_func != NULL) {
- ret = floodlight->flash_led_func->uninit(floodlight);
- if (ret != 0) {
- err |= ret;
- }
- }
- if (projection->flash_led_func != NULL) {
- ret = projection->flash_led_func->uninit(projection);
- if (ret != 0) {
- err |= ret;
- }
- }
- if (floodlight->i2c_bus == projection->i2c_bus) {
- unregister_i2c_client(floodlight);
- } else {
- if (floodlight->i2c_bus != UNDEFINED_IN_DTS) {
- unregister_i2c_client(floodlight);
- }
- if (projection->i2c_bus != UNDEFINED_IN_DTS) {
- unregister_i2c_client(projection);
- }
- }
- return err;
- }
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