xref: /openbmc/linux/include/uapi/linux/hsi/hsi_char.h (revision 8acbca3a)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  * Part of the HSI character device driver.
4  *
5  * Copyright (C) 2010 Nokia Corporation. All rights reserved.
6  *
7  * Contact: Andras Domokos <andras.domokos at nokia.com>
8  */
9 
10 #ifndef __HSI_CHAR_H
11 #define __HSI_CHAR_H
12 
13 #include <linux/types.h>
14 
15 #define HSI_CHAR_MAGIC		'k'
16 #define HSC_IOW(num, dtype)	_IOW(HSI_CHAR_MAGIC, num, dtype)
17 #define HSC_IOR(num, dtype)	_IOR(HSI_CHAR_MAGIC, num, dtype)
18 #define HSC_IOWR(num, dtype)	_IOWR(HSI_CHAR_MAGIC, num, dtype)
19 #define HSC_IO(num)		_IO(HSI_CHAR_MAGIC, num)
20 
21 #define HSC_RESET		HSC_IO(16)
22 #define HSC_SET_PM		HSC_IO(17)
23 #define HSC_SEND_BREAK		HSC_IO(18)
24 #define HSC_SET_RX		HSC_IOW(19, struct hsc_rx_config)
25 #define HSC_GET_RX		HSC_IOW(20, struct hsc_rx_config)
26 #define HSC_SET_TX		HSC_IOW(21, struct hsc_tx_config)
27 #define HSC_GET_TX		HSC_IOW(22, struct hsc_tx_config)
28 
29 #define HSC_PM_DISABLE		0
30 #define HSC_PM_ENABLE		1
31 
32 #define HSC_MODE_STREAM		1
33 #define HSC_MODE_FRAME		2
34 #define HSC_FLOW_SYNC		0
35 #define HSC_ARB_RR		0
36 #define HSC_ARB_PRIO		1
37 
38 struct hsc_rx_config {
39 	__u32 mode;
40 	__u32 flow;
41 	__u32 channels;
42 };
43 
44 struct hsc_tx_config {
45 	__u32 mode;
46 	__u32 channels;
47 	__u32 speed;
48 	__u32 arb_mode;
49 };
50 
51 #endif /* __HSI_CHAR_H */
52