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12dcaeb77e
add USBTMC_IOCTL_CONFIG_TERMCHAR to control TermChar handling for next read(). Controls field 'TermChar' and Bit 1 of field 'bmTransferAttributes' of REQUEST_DEV_DEP_MSG_IN BULK-OUT header. Allows enabling/disabling of terminating a read on reception of term_char individually for each read request. Reviewed-by: Steve Bayless <steve_bayless@keysight.com> Tested-by: Dave Penkler <dpenkler@gmail.com> Signed-off-by: Dave Penkler <dpenkler@gmail.com> Signed-off-by: Guido Kiener <guido.kiener@rohde-schwarz.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
/* 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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*
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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_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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/* 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_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 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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/* 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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