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 */