| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| Mantis PCI bridge driver |
| |
| Copyright (C) Manu Abraham (abraham.manu@gmail.com) |
| |
| */ |
| |
| #ifndef __MANTIS_UART_H |
| #define __MANTIS_UART_H |
| |
| #define MANTIS_UART_CTL 0xe0 |
| #define MANTIS_UART_RXINT (1 << 4) |
| #define MANTIS_UART_RXFLUSH (1 << 2) |
| |
| #define MANTIS_UART_RXD 0xe8 |
| #define MANTIS_UART_BAUD 0xec |
| |
| #define MANTIS_UART_STAT 0xf0 |
| #define MANTIS_UART_RXFIFO_DATA (1 << 7) |
| #define MANTIS_UART_RXFIFO_EMPTY (1 << 6) |
| #define MANTIS_UART_RXFIFO_FULL (1 << 3) |
| #define MANTIS_UART_FRAME_ERR (1 << 2) |
| #define MANTIS_UART_PARITY_ERR (1 << 1) |
| #define MANTIS_UART_RXTHRESH_INT (1 << 0) |
| |
| enum mantis_baud { |
| MANTIS_BAUD_9600 = 0, |
| MANTIS_BAUD_19200, |
| MANTIS_BAUD_38400, |
| MANTIS_BAUD_57600, |
| MANTIS_BAUD_115200 |
| }; |
| |
| enum mantis_parity { |
| MANTIS_PARITY_NONE = 0, |
| MANTIS_PARITY_EVEN, |
| MANTIS_PARITY_ODD, |
| }; |
| |
| struct mantis_pci; |
| |
| extern int mantis_uart_init(struct mantis_pci *mantis); |
| extern void mantis_uart_exit(struct mantis_pci *mantis); |
| |
| #endif /* __MANTIS_UART_H */ |
