Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany
4 * Copyright (C) 2008 Novell, Inc.
5 * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
6 * Copyright (C) 2015 Dave Penkler <dpenkler@gmail.com>
7 *
8 * This file holds USB constants defined by the USB Device Class
9 * and USB488 Subclass Definitions for Test and Measurement devices
10 * published by the USB-IF.
11 *
12 * It also has the ioctl and capability definitions for the
13 * usbtmc kernel driver that userspace needs to know about.
14 */
15
16#ifndef __LINUX_USB_TMC_H
17#define __LINUX_USB_TMC_H
18
19#include <linux/types.h> /* __u8 etc */
20
21/* USB TMC status values */
22#define USBTMC_STATUS_SUCCESS 0x01
23#define USBTMC_STATUS_PENDING 0x02
24#define USBTMC_STATUS_FAILED 0x80
25#define USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS 0x81
26#define USBTMC_STATUS_SPLIT_NOT_IN_PROGRESS 0x82
27#define USBTMC_STATUS_SPLIT_IN_PROGRESS 0x83
28
29/* USB TMC requests values */
30#define USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT 1
31#define USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS 2
32#define USBTMC_REQUEST_INITIATE_ABORT_BULK_IN 3
33#define USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS 4
34#define USBTMC_REQUEST_INITIATE_CLEAR 5
35#define USBTMC_REQUEST_CHECK_CLEAR_STATUS 6
36#define USBTMC_REQUEST_GET_CAPABILITIES 7
37#define USBTMC_REQUEST_INDICATOR_PULSE 64
38#define USBTMC488_REQUEST_READ_STATUS_BYTE 128
39#define USBTMC488_REQUEST_REN_CONTROL 160
40#define USBTMC488_REQUEST_GOTO_LOCAL 161
41#define USBTMC488_REQUEST_LOCAL_LOCKOUT 162
42
43struct usbtmc_termchar {
44 __u8 term_char;
45 __u8 term_char_enabled;
46} __attribute__ ((packed));
47
48/* Request values for USBTMC driver's ioctl entry point */
49#define USBTMC_IOC_NR 91
50#define USBTMC_IOCTL_INDICATOR_PULSE _IO(USBTMC_IOC_NR, 1)
51#define USBTMC_IOCTL_CLEAR _IO(USBTMC_IOC_NR, 2)
52#define USBTMC_IOCTL_ABORT_BULK_OUT _IO(USBTMC_IOC_NR, 3)
53#define USBTMC_IOCTL_ABORT_BULK_IN _IO(USBTMC_IOC_NR, 4)
54#define USBTMC_IOCTL_CLEAR_OUT_HALT _IO(USBTMC_IOC_NR, 6)
55#define USBTMC_IOCTL_CLEAR_IN_HALT _IO(USBTMC_IOC_NR, 7)
56#define USBTMC_IOCTL_GET_TIMEOUT _IOR(USBTMC_IOC_NR, 9, __u32)
57#define USBTMC_IOCTL_SET_TIMEOUT _IOW(USBTMC_IOC_NR, 10, __u32)
58#define USBTMC_IOCTL_EOM_ENABLE _IOW(USBTMC_IOC_NR, 11, __u8)
59#define USBTMC_IOCTL_CONFIG_TERMCHAR _IOW(USBTMC_IOC_NR, 12, struct usbtmc_termchar)
60
61#define USBTMC488_IOCTL_GET_CAPS _IOR(USBTMC_IOC_NR, 17, unsigned char)
62#define USBTMC488_IOCTL_READ_STB _IOR(USBTMC_IOC_NR, 18, unsigned char)
63#define USBTMC488_IOCTL_REN_CONTROL _IOW(USBTMC_IOC_NR, 19, unsigned char)
64#define USBTMC488_IOCTL_GOTO_LOCAL _IO(USBTMC_IOC_NR, 20)
65#define USBTMC488_IOCTL_LOCAL_LOCKOUT _IO(USBTMC_IOC_NR, 21)
66#define USBTMC488_IOCTL_TRIGGER _IO(USBTMC_IOC_NR, 22)
67
68/* Driver encoded usb488 capabilities */
69#define USBTMC488_CAPABILITY_TRIGGER 1
70#define USBTMC488_CAPABILITY_SIMPLE 2
71#define USBTMC488_CAPABILITY_REN_CONTROL 2
72#define USBTMC488_CAPABILITY_GOTO_LOCAL 2
73#define USBTMC488_CAPABILITY_LOCAL_LOCKOUT 2
74#define USBTMC488_CAPABILITY_488_DOT_2 4
75#define USBTMC488_CAPABILITY_DT1 16
76#define USBTMC488_CAPABILITY_RL1 32
77#define USBTMC488_CAPABILITY_SR1 64
78#define USBTMC488_CAPABILITY_FULL_SCPI 128
79
80#endif