mantis_uart.h (1015B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 Mantis PCI bridge driver 4 5 Copyright (C) Manu Abraham (abraham.manu@gmail.com) 6 7*/ 8 9#ifndef __MANTIS_UART_H 10#define __MANTIS_UART_H 11 12#define MANTIS_UART_CTL 0xe0 13#define MANTIS_UART_RXINT (1 << 4) 14#define MANTIS_UART_RXFLUSH (1 << 2) 15 16#define MANTIS_UART_RXD 0xe8 17#define MANTIS_UART_BAUD 0xec 18 19#define MANTIS_UART_STAT 0xf0 20#define MANTIS_UART_RXFIFO_DATA (1 << 7) 21#define MANTIS_UART_RXFIFO_EMPTY (1 << 6) 22#define MANTIS_UART_RXFIFO_FULL (1 << 3) 23#define MANTIS_UART_FRAME_ERR (1 << 2) 24#define MANTIS_UART_PARITY_ERR (1 << 1) 25#define MANTIS_UART_RXTHRESH_INT (1 << 0) 26 27enum mantis_baud { 28 MANTIS_BAUD_9600 = 0, 29 MANTIS_BAUD_19200, 30 MANTIS_BAUD_38400, 31 MANTIS_BAUD_57600, 32 MANTIS_BAUD_115200 33}; 34 35enum mantis_parity { 36 MANTIS_PARITY_NONE = 0, 37 MANTIS_PARITY_EVEN, 38 MANTIS_PARITY_ODD, 39}; 40 41struct mantis_pci; 42 43extern int mantis_uart_init(struct mantis_pci *mantis); 44extern void mantis_uart_exit(struct mantis_pci *mantis); 45 46#endif /* __MANTIS_UART_H */