/**************************************************************************** * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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; }