1 /* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, this list of 8 * conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific prior written 16 * permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef UART_DEV_H 32 #define UART_DEV_H 33 34 #include "console.h" 35 #include "sys/ioctl.h" 36 #include "uart_core.h" 37 38 #ifdef __cplusplus 39 #if __cplusplus 40 extern "C" { 41 #endif /* __cplusplus */ 42 #endif /* __cplusplus */ 43 44 #define UART_IOC_MAGIC 'u' 45 46 /* baudrate config */ 47 #define UART_CFG_BAUDRATE _IO(UART_IOC_MAGIC, 1) 48 49 /* DMA CONFIG: receive */ 50 #define UART_DMA_RX_EN 1 51 #define UART_DMA_RX_DIS 0 52 #define UART_CFG_DMA_RX _IO(UART_IOC_MAGIC, 2) 53 54 /* DMA CONFIG: send */ 55 #define UART_DMA_TX_EN 1 56 #define UART_DMA_TX_DIS 0 57 #define UART_CFG_DMA_TX _IO(UART_IOC_MAGIC, 3) 58 59 /* Read Block: */ 60 #define UART_RD_BLOCK 1 61 #define UART_RD_NONBLOCK 0 62 #define UART_CFG_RD_BLOCK CONSOLE_CMD_RD_BLOCK_SERIAL 63 64 /* attribute CONFIG */ 65 #define UART_CFG_ATTR _IOW(UART_IOC_MAGIC, 5, int32_t) 66 67 /* Private CONFIG */ 68 #define UART_CFG_PRIVATE _IOW(UART_IOC_MAGIC, 6, int32_t) 69 70 void UartAddDev(struct UartHost *host); 71 void UartRemoveDev(struct UartHost *host); 72 73 #ifdef __cplusplus 74 #if __cplusplus 75 } 76 #endif /* __cplusplus */ 77 #endif /* __cplusplus */ 78 79 #endif /* UART_DEV_H */ 80