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