1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 *  Include file for NEC VR4100 series Serial Interface Unit.
 4 *
 5 *  Copyright (C) 2005-2008  Yoichi Yuasa <yuasa@linux-mips.org>
 6 */
 7#ifndef __NEC_VR41XX_SIU_H
 8#define __NEC_VR41XX_SIU_H
 9
10#define SIU_PORTS_MAX 2
11
12typedef enum {
13	SIU_INTERFACE_RS232C,
14	SIU_INTERFACE_IRDA,
15} siu_interface_t;
16
17extern void vr41xx_select_siu_interface(siu_interface_t interface);
18
19typedef enum {
20	SIU_USE_IRDA,
21	FIR_USE_IRDA,
22} irda_use_t;
23
24extern void vr41xx_use_irda(irda_use_t use);
25
26typedef enum {
27	SHARP_IRDA,
28	TEMIC_IRDA,
29	HP_IRDA,
30} irda_module_t;
31
32typedef enum {
33	IRDA_TX_1_5MBPS,
34	IRDA_TX_4MBPS,
35} irda_speed_t;
36
37extern void vr41xx_select_irda_module(irda_module_t module, irda_speed_t speed);
38
39#ifdef CONFIG_SERIAL_VR41XX_CONSOLE
40extern void vr41xx_siu_early_setup(struct uart_port *port);
41#else
42static inline void vr41xx_siu_early_setup(struct uart_port *port) {}
43#endif
44
45#endif /* __NEC_VR41XX_SIU_H */