/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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/*

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* Copyright (C) 2007 Stefan Kopp, Gechingen, Germany

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* Copyright (C) 2008 Novell, Inc.

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* Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>

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* Copyright (C) 2015 Dave Penkler <dpenkler@gmail.com>

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* Copyright (C) 2018 IVI Foundation, Inc.

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*

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* This file holds USB constants defined by the USB Device Class

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* and USB488 Subclass Definitions for Test and Measurement devices

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* published by the USB-IF.

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*

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* It also has the ioctl and capability definitions for the

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* usbtmc kernel driver that userspace needs to know about.

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*/

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#ifndef __LINUX_USB_TMC_H

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#define __LINUX_USB_TMC_H

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#include <linux/types.h> /* __u8 etc */

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/* USB TMC status values */

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#define USBTMC_STATUS_SUCCESS 0x01

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#define USBTMC_STATUS_PENDING 0x02

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#define USBTMC_STATUS_FAILED 0x80

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#define USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS 0x81

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#define USBTMC_STATUS_SPLIT_NOT_IN_PROGRESS 0x82

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#define USBTMC_STATUS_SPLIT_IN_PROGRESS 0x83

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/* USB TMC requests values */

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#define USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT 1

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#define USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS 2

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#define USBTMC_REQUEST_INITIATE_ABORT_BULK_IN 3

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#define USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS 4

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#define USBTMC_REQUEST_INITIATE_CLEAR 5

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#define USBTMC_REQUEST_CHECK_CLEAR_STATUS 6

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#define USBTMC_REQUEST_GET_CAPABILITIES 7

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#define USBTMC_REQUEST_INDICATOR_PULSE 64

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#define USBTMC488_REQUEST_READ_STATUS_BYTE 128

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#define USBTMC488_REQUEST_REN_CONTROL 160

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#define USBTMC488_REQUEST_GOTO_LOCAL 161

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#define USBTMC488_REQUEST_LOCAL_LOCKOUT 162

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struct usbtmc_request {

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__u8 bRequestType;

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__u8 bRequest;

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__u16 wValue;

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__u16 wIndex;

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__u16 wLength;

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} __attribute__ ((packed));

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struct usbtmc_ctrlrequest {

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struct usbtmc_request req;

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void *data; /* pointer to user space */

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} __attribute__ ((packed));

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struct usbtmc_termchar {

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__u8 term_char;

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__u8 term_char_enabled;

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} __attribute__ ((packed));

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/*

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* usbtmc_message->flags:

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*/

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#define USBTMC_FLAG_ASYNC 0x0001

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#define USBTMC_FLAG_APPEND 0x0002

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#define USBTMC_FLAG_IGNORE_TRAILER 0x0004

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struct usbtmc_message {

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__u32 transfer_size; /* size of bytes to transfer */

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__u32 transferred; /* size of received/written bytes */

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__u32 flags; /* bit 0: 0 = synchronous; 1 = asynchronous */

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void *message; /* pointer to header and data in user space */

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} __attribute__ ((packed));

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/* Request values for USBTMC driver's ioctl entry point */

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#define USBTMC_IOC_NR 91

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#define USBTMC_IOCTL_INDICATOR_PULSE _IO(USBTMC_IOC_NR, 1)

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#define USBTMC_IOCTL_CLEAR _IO(USBTMC_IOC_NR, 2)

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#define USBTMC_IOCTL_ABORT_BULK_OUT _IO(USBTMC_IOC_NR, 3)

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#define USBTMC_IOCTL_ABORT_BULK_IN _IO(USBTMC_IOC_NR, 4)

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#define USBTMC_IOCTL_CLEAR_OUT_HALT _IO(USBTMC_IOC_NR, 6)

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#define USBTMC_IOCTL_CLEAR_IN_HALT _IO(USBTMC_IOC_NR, 7)

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#define USBTMC_IOCTL_CTRL_REQUEST _IOWR(USBTMC_IOC_NR, 8, struct usbtmc_ctrlrequest)

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#define USBTMC_IOCTL_GET_TIMEOUT _IOR(USBTMC_IOC_NR, 9, __u32)

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#define USBTMC_IOCTL_SET_TIMEOUT _IOW(USBTMC_IOC_NR, 10, __u32)

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#define USBTMC_IOCTL_EOM_ENABLE _IOW(USBTMC_IOC_NR, 11, __u8)

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#define USBTMC_IOCTL_CONFIG_TERMCHAR _IOW(USBTMC_IOC_NR, 12, struct usbtmc_termchar)

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#define USBTMC_IOCTL_WRITE _IOWR(USBTMC_IOC_NR, 13, struct usbtmc_message)

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#define USBTMC_IOCTL_READ _IOWR(USBTMC_IOC_NR, 14, struct usbtmc_message)

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#define USBTMC_IOCTL_WRITE_RESULT _IOWR(USBTMC_IOC_NR, 15, __u32)

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#define USBTMC_IOCTL_API_VERSION _IOR(USBTMC_IOC_NR, 16, __u32)

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#define USBTMC488_IOCTL_GET_CAPS _IOR(USBTMC_IOC_NR, 17, unsigned char)

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#define USBTMC488_IOCTL_READ_STB _IOR(USBTMC_IOC_NR, 18, unsigned char)

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#define USBTMC488_IOCTL_REN_CONTROL _IOW(USBTMC_IOC_NR, 19, unsigned char)

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#define USBTMC488_IOCTL_GOTO_LOCAL _IO(USBTMC_IOC_NR, 20)

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#define USBTMC488_IOCTL_LOCAL_LOCKOUT _IO(USBTMC_IOC_NR, 21)

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#define USBTMC488_IOCTL_TRIGGER _IO(USBTMC_IOC_NR, 22)

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#define USBTMC488_IOCTL_WAIT_SRQ _IOW(USBTMC_IOC_NR, 23, __u32)

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#define USBTMC_IOCTL_MSG_IN_ATTR _IOR(USBTMC_IOC_NR, 24, __u8)

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#define USBTMC_IOCTL_AUTO_ABORT _IOW(USBTMC_IOC_NR, 25, __u8)

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#define USBTMC_IOCTL_GET_STB _IOR(USBTMC_IOC_NR, 26, __u8)

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#define USBTMC_IOCTL_GET_SRQ_STB _IOR(USBTMC_IOC_NR, 27, __u8)

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/* Cancel and cleanup asynchronous calls */

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#define USBTMC_IOCTL_CANCEL_IO _IO(USBTMC_IOC_NR, 35)

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#define USBTMC_IOCTL_CLEANUP_IO _IO(USBTMC_IOC_NR, 36)

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/* Driver encoded usb488 capabilities */

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#define USBTMC488_CAPABILITY_TRIGGER 1

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#define USBTMC488_CAPABILITY_SIMPLE 2

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#define USBTMC488_CAPABILITY_REN_CONTROL 2

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#define USBTMC488_CAPABILITY_GOTO_LOCAL 2

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#define USBTMC488_CAPABILITY_LOCAL_LOCKOUT 2

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#define USBTMC488_CAPABILITY_488_DOT_2 4

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#define USBTMC488_CAPABILITY_DT1 16

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#define USBTMC488_CAPABILITY_RL1 32

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#define USBTMC488_CAPABILITY_SR1 64

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#define USBTMC488_CAPABILITY_FULL_SCPI 128

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#endif

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