License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 08:07:57 -06:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2005-04-16 16:20:36 -06:00
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/* $Revision: 3.0 $$Date: 1998/11/02 14:20:59 $
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* linux/include/linux/cyclades.h
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*
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* This file was initially written by
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* Randolph Bentson <bentson@grieg.seaslug.org> and is maintained by
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* Ivan Passos <ivan@cyclades.com>.
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*
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* This file contains the general definitions for the cyclades.c driver
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*$Log: cyclades.h,v $
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*Revision 3.1 2002/01/29 11:36:16 henrique
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*added throttle field on struct cyclades_port to indicate whether the
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*port is throttled or not
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*
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*Revision 3.1 2000/04/19 18:52:52 ivan
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*converted address fields to unsigned long and added fields for physical
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*addresses on cyclades_card structure;
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*
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*Revision 3.0 1998/11/02 14:20:59 ivan
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*added nports field on cyclades_card structure;
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*
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*Revision 2.5 1998/08/03 16:57:01 ivan
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*added cyclades_idle_stats structure;
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*
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*Revision 2.4 1998/06/01 12:09:53 ivan
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*removed closing_wait2 from cyclades_port structure;
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*
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*Revision 2.3 1998/03/16 18:01:12 ivan
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*changes in the cyclades_port structure to get it closer to the
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*standard serial port structure;
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*added constants for new ioctls;
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*
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*Revision 2.2 1998/02/17 16:50:00 ivan
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*changes in the cyclades_port structure (addition of shutdown_wait and
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*chip_rev variables);
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*added constants for new ioctls and for CD1400 rev. numbers.
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*
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*Revision 2.1 1997/10/24 16:03:00 ivan
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*added rflow (which allows enabling the CD1400 special flow control
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*feature) and rtsdtr_inv (which allows DTR/RTS pin inversion) to
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*cyclades_port structure;
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*added Alpha support
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*
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*Revision 2.0 1997/06/30 10:30:00 ivan
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*added some new doorbell command constants related to IOCTLW and
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*UART error signaling
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*
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*Revision 1.8 1997/06/03 15:30:00 ivan
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*added constant ZFIRM_HLT
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*added constant CyPCI_Ze_win ( = 2 * Cy_PCI_Zwin)
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*
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*Revision 1.7 1997/03/26 10:30:00 daniel
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*new entries at the end of cyclades_port struct to reallocate
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*variables illegally allocated within card memory.
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*
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*Revision 1.6 1996/09/09 18:35:30 bentson
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*fold in changes for Cyclom-Z -- including structures for
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*communicating with board as well modest changes to original
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*structures to support new features.
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*
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*Revision 1.5 1995/11/13 21:13:31 bentson
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*changes suggested by Michael Chastain <mec@duracef.shout.net>
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*to support use of this file in non-kernel applications
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*
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*
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*/
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#ifndef _LINUX_CYCLADES_H
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#define _LINUX_CYCLADES_H
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2012-10-13 03:46:48 -06:00
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#include <uapi/linux/cyclades.h>
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2005-04-16 16:20:36 -06:00
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2007-05-08 01:36:38 -06:00
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2005-04-16 16:20:36 -06:00
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/* Per card data structure */
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struct cyclades_card {
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2009-06-11 05:29:27 -06:00
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void __iomem *base_addr;
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union {
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void __iomem *p9050;
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struct RUNTIME_9060 __iomem *p9060;
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} ctl_addr;
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2009-09-19 14:13:13 -06:00
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struct BOARD_CTRL __iomem *board_ctrl; /* cyz specific */
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2009-06-11 05:29:27 -06:00
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int irq;
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unsigned int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */
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unsigned int first_line; /* minor number of first channel on card */
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unsigned int nports; /* Number of ports in the card */
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int bus_index; /* address shift - 0 for ISA, 1 for PCI */
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int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */
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2009-06-11 05:30:10 -06:00
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u32 hw_ver;
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2009-06-11 05:29:27 -06:00
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spinlock_t card_lock;
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struct cyclades_port *ports;
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2005-04-16 16:20:36 -06:00
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};
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/***************************************
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* Memory access functions/macros *
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* (required to support Alpha systems) *
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***************************************/
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2007-05-08 01:35:46 -06:00
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#define cy_writeb(port,val) do { writeb((val), (port)); mb(); } while (0)
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#define cy_writew(port,val) do { writew((val), (port)); mb(); } while (0)
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#define cy_writel(port,val) do { writel((val), (port)); mb(); } while (0)
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2005-04-16 16:20:36 -06:00
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/*
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* Statistics counters
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*/
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struct cyclades_icount {
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__u32 cts, dsr, rng, dcd, tx, rx;
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__u32 frame, parity, overrun, brk;
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__u32 buf_overrun;
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};
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/*
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* This is our internal structure for each serial port's state.
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*
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* Many fields are paralleled by the structure used by the serial_struct
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* structure.
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*
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* For definitions of the flags field, see tty.h
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*/
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struct cyclades_port {
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int magic;
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2008-07-16 14:57:02 -06:00
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struct tty_port port;
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2007-05-08 01:36:49 -06:00
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struct cyclades_card *card;
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2009-09-19 14:13:13 -06:00
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union {
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struct {
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2009-09-19 14:13:16 -06:00
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void __iomem *base_addr;
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2009-09-19 14:13:13 -06:00
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} cyy;
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struct {
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struct CH_CTRL __iomem *ch_ctrl;
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struct BUF_CTRL __iomem *buf_ctrl;
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} cyz;
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} u;
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2005-04-16 16:20:36 -06:00
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int line;
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int flags; /* defined in tty.h */
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int type; /* UART type */
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int read_status_mask;
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int ignore_status_mask;
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int timeout;
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int xmit_fifo_size;
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int cor1,cor2,cor3,cor4,cor5;
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int tbpr,tco,rbpr,rco;
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int baud;
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int rflow;
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int rtsdtr_inv;
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int chip_rev;
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int custom_divisor;
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2007-10-18 04:06:22 -06:00
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u8 x_char; /* to be pushed out ASAP */
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2005-04-16 16:20:36 -06:00
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int breakon;
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int breakoff;
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int xmit_head;
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int xmit_tail;
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int xmit_cnt;
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int default_threshold;
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int default_timeout;
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unsigned long rflush_count;
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struct cyclades_monitor mon;
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struct cyclades_idle_stats idle_stats;
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struct cyclades_icount icount;
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2007-05-08 01:36:51 -06:00
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struct completion shutdown_wait;
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2005-04-16 16:20:36 -06:00
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int throttle;
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2017-10-24 04:00:18 -06:00
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#ifdef CONFIG_CYZ_INTR
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struct timer_list rx_full_timer;
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#endif
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2005-04-16 16:20:36 -06:00
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};
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#define CLOSING_WAIT_DELAY 30*HZ
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2008-07-16 14:57:18 -06:00
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#define CY_CLOSING_WAIT_NONE ASYNC_CLOSING_WAIT_NONE
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#define CY_CLOSING_WAIT_INF ASYNC_CLOSING_WAIT_INF
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2005-04-16 16:20:36 -06:00
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#define CyMAX_CHIPS_PER_CARD 8
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#define CyMAX_CHAR_FIFO 12
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#define CyPORTS_PER_CHIP 4
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#define CD1400_MAX_SPEED 115200
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#define CyISA_Ywin 0x2000
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#define CyPCI_Ywin 0x4000
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#define CyPCI_Yctl 0x80
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#define CyPCI_Zctl CTRL_WINDOW_SIZE
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#define CyPCI_Zwin 0x80000
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#define CyPCI_Ze_win (2 * CyPCI_Zwin)
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#define PCI_DEVICE_ID_MASK 0x06
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/**** CD1400 registers ****/
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#define CD1400_REV_G 0x46
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#define CD1400_REV_J 0x48
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#define CyRegSize 0x0400
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#define Cy_HwReset 0x1400
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#define Cy_ClrIntr 0x1800
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#define Cy_EpldRev 0x1e00
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/* Global Registers */
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#define CyGFRCR (0x40*2)
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#define CyRevE (44)
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#define CyCAR (0x68*2)
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#define CyCHAN_0 (0x00)
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#define CyCHAN_1 (0x01)
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#define CyCHAN_2 (0x02)
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#define CyCHAN_3 (0x03)
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#define CyGCR (0x4B*2)
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#define CyCH0_SERIAL (0x00)
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#define CyCH0_PARALLEL (0x80)
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#define CySVRR (0x67*2)
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#define CySRModem (0x04)
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#define CySRTransmit (0x02)
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#define CySRReceive (0x01)
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#define CyRICR (0x44*2)
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#define CyTICR (0x45*2)
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#define CyMICR (0x46*2)
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#define CyICR0 (0x00)
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#define CyICR1 (0x01)
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#define CyICR2 (0x02)
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#define CyICR3 (0x03)
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#define CyRIR (0x6B*2)
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#define CyTIR (0x6A*2)
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#define CyMIR (0x69*2)
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#define CyIRDirEq (0x80)
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#define CyIRBusy (0x40)
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#define CyIRUnfair (0x20)
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#define CyIRContext (0x1C)
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#define CyIRChannel (0x03)
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#define CyPPR (0x7E*2)
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#define CyCLOCK_20_1MS (0x27)
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#define CyCLOCK_25_1MS (0x31)
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#define CyCLOCK_25_5MS (0xf4)
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#define CyCLOCK_60_1MS (0x75)
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#define CyCLOCK_60_2MS (0xea)
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/* Virtual Registers */
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#define CyRIVR (0x43*2)
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#define CyTIVR (0x42*2)
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#define CyMIVR (0x41*2)
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#define CyIVRMask (0x07)
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#define CyIVRRxEx (0x07)
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#define CyIVRRxOK (0x03)
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#define CyIVRTxOK (0x02)
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#define CyIVRMdmOK (0x01)
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#define CyTDR (0x63*2)
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#define CyRDSR (0x62*2)
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#define CyTIMEOUT (0x80)
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#define CySPECHAR (0x70)
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#define CyBREAK (0x08)
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#define CyPARITY (0x04)
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#define CyFRAME (0x02)
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#define CyOVERRUN (0x01)
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#define CyMISR (0x4C*2)
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/* see CyMCOR_ and CyMSVR_ for bits*/
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#define CyEOSRR (0x60*2)
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/* Channel Registers */
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#define CyLIVR (0x18*2)
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#define CyMscsr (0x01)
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#define CyTdsr (0x02)
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#define CyRgdsr (0x03)
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#define CyRedsr (0x07)
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#define CyCCR (0x05*2)
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/* Format 1 */
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#define CyCHAN_RESET (0x80)
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#define CyCHIP_RESET (0x81)
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#define CyFlushTransFIFO (0x82)
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/* Format 2 */
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#define CyCOR_CHANGE (0x40)
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#define CyCOR1ch (0x02)
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#define CyCOR2ch (0x04)
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#define CyCOR3ch (0x08)
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/* Format 3 */
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#define CySEND_SPEC_1 (0x21)
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#define CySEND_SPEC_2 (0x22)
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#define CySEND_SPEC_3 (0x23)
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#define CySEND_SPEC_4 (0x24)
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/* Format 4 */
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#define CyCHAN_CTL (0x10)
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#define CyDIS_RCVR (0x01)
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#define CyENB_RCVR (0x02)
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#define CyDIS_XMTR (0x04)
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#define CyENB_XMTR (0x08)
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#define CySRER (0x06*2)
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#define CyMdmCh (0x80)
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#define CyRxData (0x10)
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#define CyTxRdy (0x04)
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#define CyTxMpty (0x02)
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#define CyNNDT (0x01)
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#define CyCOR1 (0x08*2)
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#define CyPARITY_NONE (0x00)
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#define CyPARITY_0 (0x20)
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#define CyPARITY_1 (0xA0)
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#define CyPARITY_E (0x40)
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#define CyPARITY_O (0xC0)
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#define Cy_1_STOP (0x00)
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#define Cy_1_5_STOP (0x04)
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#define Cy_2_STOP (0x08)
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#define Cy_5_BITS (0x00)
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#define Cy_6_BITS (0x01)
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#define Cy_7_BITS (0x02)
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#define Cy_8_BITS (0x03)
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#define CyCOR2 (0x09*2)
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#define CyIXM (0x80)
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#define CyTxIBE (0x40)
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#define CyETC (0x20)
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#define CyAUTO_TXFL (0x60)
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#define CyLLM (0x10)
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#define CyRLM (0x08)
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#define CyRtsAO (0x04)
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#define CyCtsAE (0x02)
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#define CyDsrAE (0x01)
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#define CyCOR3 (0x0A*2)
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#define CySPL_CH_DRANGE (0x80) /* special character detect range */
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#define CySPL_CH_DET1 (0x40) /* enable special character detection
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on SCHR4-SCHR3 */
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#define CyFL_CTRL_TRNSP (0x20) /* Flow Control Transparency */
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#define CySPL_CH_DET2 (0x10) /* Enable special character detection
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on SCHR2-SCHR1 */
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#define CyREC_FIFO (0x0F) /* Receive FIFO threshold */
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#define CyCOR4 (0x1E*2)
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#define CyCOR5 (0x1F*2)
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#define CyCCSR (0x0B*2)
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#define CyRxEN (0x80)
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#define CyRxFloff (0x40)
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#define CyRxFlon (0x20)
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#define CyTxEN (0x08)
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#define CyTxFloff (0x04)
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#define CyTxFlon (0x02)
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#define CyRDCR (0x0E*2)
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#define CySCHR1 (0x1A*2)
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#define CySCHR2 (0x1B*2)
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#define CySCHR3 (0x1C*2)
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#define CySCHR4 (0x1D*2)
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#define CySCRL (0x22*2)
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#define CySCRH (0x23*2)
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#define CyLNC (0x24*2)
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#define CyMCOR1 (0x15*2)
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#define CyMCOR2 (0x16*2)
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#define CyRTPR (0x21*2)
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#define CyMSVR1 (0x6C*2)
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#define CyMSVR2 (0x6D*2)
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#define CyANY_DELTA (0xF0)
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#define CyDSR (0x80)
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#define CyCTS (0x40)
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#define CyRI (0x20)
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#define CyDCD (0x10)
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#define CyDTR (0x02)
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#define CyRTS (0x01)
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#define CyPVSR (0x6F*2)
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#define CyRBPR (0x78*2)
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#define CyRCOR (0x7C*2)
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#define CyTBPR (0x72*2)
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#define CyTCOR (0x76*2)
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/* Custom Registers */
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#define CyPLX_VER (0x3400)
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#define PLX_9050 0x0b
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#define PLX_9060 0x0c
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#define PLX_9080 0x0d
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/***************************************************************************/
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#endif /* _LINUX_CYCLADES_H */
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