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 22:07:57 +08:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2006-07-14 15:24:34 +08:00
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#ifndef __REGS_2700G_
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#define __REGS_2700G_
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/* extern unsigned long virt_base_2700; */
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/* #define __REG_2700G(x) (*(volatile unsigned long*)((x)+virt_base_2700)) */
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#define __REG_2700G(x) ((x)+virt_base_2700)
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/* System Configuration Registers (0x0000_0000 0x0000_0010) */
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#define SYSCFG __REG_2700G(0x00000000)
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#define PFBASE __REG_2700G(0x00000004)
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#define PFCEIL __REG_2700G(0x00000008)
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#define POLLFLAG __REG_2700G(0x0000000c)
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#define SYSRST __REG_2700G(0x00000010)
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/* Interrupt Control Registers (0x0000_0014 0x0000_002F) */
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#define NINTPW __REG_2700G(0x00000014)
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#define MINTENABLE __REG_2700G(0x00000018)
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#define MINTSTAT __REG_2700G(0x0000001c)
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#define SINTENABLE __REG_2700G(0x00000020)
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#define SINTSTAT __REG_2700G(0x00000024)
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#define SINTCLR __REG_2700G(0x00000028)
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/* Clock Control Registers (0x0000_002C 0x0000_005F) */
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#define SYSCLKSRC __REG_2700G(0x0000002c)
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#define PIXCLKSRC __REG_2700G(0x00000030)
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#define CLKSLEEP __REG_2700G(0x00000034)
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#define COREPLL __REG_2700G(0x00000038)
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#define DISPPLL __REG_2700G(0x0000003c)
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#define PLLSTAT __REG_2700G(0x00000040)
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#define VOVRCLK __REG_2700G(0x00000044)
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#define PIXCLK __REG_2700G(0x00000048)
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#define MEMCLK __REG_2700G(0x0000004c)
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2007-10-16 16:28:40 +08:00
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#define M24CLK __REG_2700G(0x00000050)
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2006-07-14 15:24:34 +08:00
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#define MBXCLK __REG_2700G(0x00000054)
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#define SDCLK __REG_2700G(0x00000058)
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#define PIXCLKDIV __REG_2700G(0x0000005c)
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/* LCD Port Control Register (0x0000_0060 0x0000_006F) */
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#define LCD_CONFIG __REG_2700G(0x00000060)
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/* On-Die Frame Buffer Registers (0x0000_0064 0x0000_006B) */
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#define ODFBPWR __REG_2700G(0x00000064)
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#define ODFBSTAT __REG_2700G(0x00000068)
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/* GPIO Registers (0x0000_006C 0x0000_007F) */
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#define GPIOCGF __REG_2700G(0x0000006c)
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#define GPIOHI __REG_2700G(0x00000070)
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#define GPIOLO __REG_2700G(0x00000074)
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#define GPIOSTAT __REG_2700G(0x00000078)
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/* Pulse Width Modulator (PWM) Registers (0x0000_0200 0x0000_02FF) */
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#define PWMRST __REG_2700G(0x00000200)
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#define PWMCFG __REG_2700G(0x00000204)
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#define PWM0DIV __REG_2700G(0x00000210)
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#define PWM0DUTY __REG_2700G(0x00000214)
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#define PWM0PER __REG_2700G(0x00000218)
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#define PWM1DIV __REG_2700G(0x00000220)
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#define PWM1DUTY __REG_2700G(0x00000224)
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#define PWM1PER __REG_2700G(0x00000228)
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/* Identification (ID) Registers (0x0000_0300 0x0000_0FFF) */
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#define ID __REG_2700G(0x00000FF0)
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/* Local Memory (SDRAM) Interface Registers (0x0000_1000 0x0000_1FFF) */
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#define LMRST __REG_2700G(0x00001000)
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#define LMCFG __REG_2700G(0x00001004)
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#define LMPWR __REG_2700G(0x00001008)
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#define LMPWRSTAT __REG_2700G(0x0000100c)
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#define LMCEMR __REG_2700G(0x00001010)
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#define LMTYPE __REG_2700G(0x00001014)
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#define LMTIM __REG_2700G(0x00001018)
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#define LMREFRESH __REG_2700G(0x0000101c)
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#define LMPROTMIN __REG_2700G(0x00001020)
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#define LMPROTMAX __REG_2700G(0x00001024)
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#define LMPROTCFG __REG_2700G(0x00001028)
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#define LMPROTERR __REG_2700G(0x0000102c)
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/* Plane Controller Registers (0x0000_2000 0x0000_2FFF) */
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#define GSCTRL __REG_2700G(0x00002000)
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#define VSCTRL __REG_2700G(0x00002004)
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#define GBBASE __REG_2700G(0x00002020)
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#define VBBASE __REG_2700G(0x00002024)
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#define GDRCTRL __REG_2700G(0x00002040)
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#define VCMSK __REG_2700G(0x00002044)
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#define GSCADR __REG_2700G(0x00002060)
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#define VSCADR __REG_2700G(0x00002064)
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#define VUBASE __REG_2700G(0x00002084)
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#define VVBASE __REG_2700G(0x000020a4)
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#define GSADR __REG_2700G(0x000020c0)
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#define VSADR __REG_2700G(0x000020c4)
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#define HCCTRL __REG_2700G(0x00002100)
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#define HCSIZE __REG_2700G(0x00002110)
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#define HCPOS __REG_2700G(0x00002120)
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#define HCBADR __REG_2700G(0x00002130)
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#define HCCKMSK __REG_2700G(0x00002140)
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#define GPLUT __REG_2700G(0x00002150)
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#define DSCTRL __REG_2700G(0x00002154)
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#define DHT01 __REG_2700G(0x00002158)
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#define DHT02 __REG_2700G(0x0000215c)
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#define DHT03 __REG_2700G(0x00002160)
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#define DVT01 __REG_2700G(0x00002164)
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#define DVT02 __REG_2700G(0x00002168)
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#define DVT03 __REG_2700G(0x0000216c)
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#define DBCOL __REG_2700G(0x00002170)
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#define BGCOLOR __REG_2700G(0x00002174)
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#define DINTRS __REG_2700G(0x00002178)
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#define DINTRE __REG_2700G(0x0000217c)
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#define DINTRCNT __REG_2700G(0x00002180)
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#define DSIG __REG_2700G(0x00002184)
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#define DMCTRL __REG_2700G(0x00002188)
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#define CLIPCTRL __REG_2700G(0x0000218c)
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#define SPOCTRL __REG_2700G(0x00002190)
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#define SVCTRL __REG_2700G(0x00002194)
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/* 0x0000_2198 */
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/* 0x0000_21A8 VSCOEFF[0:4] Video Scalar Vertical Coefficient [0:4] 4.14.5 */
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#define VSCOEFF0 __REG_2700G(0x00002198)
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#define VSCOEFF1 __REG_2700G(0x0000219c)
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#define VSCOEFF2 __REG_2700G(0x000021a0)
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#define VSCOEFF3 __REG_2700G(0x000021a4)
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#define VSCOEFF4 __REG_2700G(0x000021a8)
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#define SHCTRL __REG_2700G(0x000021b0)
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/* 0x0000_21B4 */
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/* 0x0000_21D4 HSCOEFF[0:8] Video Scalar Horizontal Coefficient [0:8] 4.14.7 */
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#define HSCOEFF0 __REG_2700G(0x000021b4)
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#define HSCOEFF1 __REG_2700G(0x000021b8)
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#define HSCOEFF2 __REG_2700G(0x000021bc)
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2006-12-08 18:40:33 +08:00
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#define HSCOEFF3 __REG_2700G(0x000021c0)
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2006-07-14 15:24:34 +08:00
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#define HSCOEFF4 __REG_2700G(0x000021c4)
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#define HSCOEFF5 __REG_2700G(0x000021c8)
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#define HSCOEFF6 __REG_2700G(0x000021cc)
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#define HSCOEFF7 __REG_2700G(0x000021d0)
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#define HSCOEFF8 __REG_2700G(0x000021d4)
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#define SSSIZE __REG_2700G(0x000021D8)
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/* 0x0000_2200 */
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/* 0x0000_2240 VIDGAM[0:16] Video Gamma LUT Index [0:16] 4.15.2 */
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#define VIDGAM0 __REG_2700G(0x00002200)
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#define VIDGAM1 __REG_2700G(0x00002204)
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#define VIDGAM2 __REG_2700G(0x00002208)
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#define VIDGAM3 __REG_2700G(0x0000220c)
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#define VIDGAM4 __REG_2700G(0x00002210)
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#define VIDGAM5 __REG_2700G(0x00002214)
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#define VIDGAM6 __REG_2700G(0x00002218)
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#define VIDGAM7 __REG_2700G(0x0000221c)
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#define VIDGAM8 __REG_2700G(0x00002220)
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#define VIDGAM9 __REG_2700G(0x00002224)
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#define VIDGAM10 __REG_2700G(0x00002228)
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#define VIDGAM11 __REG_2700G(0x0000222c)
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#define VIDGAM12 __REG_2700G(0x00002230)
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#define VIDGAM13 __REG_2700G(0x00002234)
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#define VIDGAM14 __REG_2700G(0x00002238)
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#define VIDGAM15 __REG_2700G(0x0000223c)
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#define VIDGAM16 __REG_2700G(0x00002240)
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/* 0x0000_2250 */
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/* 0x0000_2290 GFXGAM[0:16] Graphics Gamma LUT Index [0:16] 4.15.3 */
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#define GFXGAM0 __REG_2700G(0x00002250)
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#define GFXGAM1 __REG_2700G(0x00002254)
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#define GFXGAM2 __REG_2700G(0x00002258)
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#define GFXGAM3 __REG_2700G(0x0000225c)
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#define GFXGAM4 __REG_2700G(0x00002260)
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#define GFXGAM5 __REG_2700G(0x00002264)
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#define GFXGAM6 __REG_2700G(0x00002268)
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#define GFXGAM7 __REG_2700G(0x0000226c)
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#define GFXGAM8 __REG_2700G(0x00002270)
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#define GFXGAM9 __REG_2700G(0x00002274)
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#define GFXGAM10 __REG_2700G(0x00002278)
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#define GFXGAM11 __REG_2700G(0x0000227c)
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#define GFXGAM12 __REG_2700G(0x00002280)
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#define GFXGAM13 __REG_2700G(0x00002284)
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#define GFXGAM14 __REG_2700G(0x00002288)
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#define GFXGAM15 __REG_2700G(0x0000228c)
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#define GFXGAM16 __REG_2700G(0x00002290)
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#define DLSTS __REG_2700G(0x00002300)
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#define DLLCTRL __REG_2700G(0x00002304)
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#define DVLNUM __REG_2700G(0x00002308)
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#define DUCTRL __REG_2700G(0x0000230c)
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#define DVECTRL __REG_2700G(0x00002310)
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#define DHDET __REG_2700G(0x00002314)
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#define DVDET __REG_2700G(0x00002318)
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#define DODMSK __REG_2700G(0x0000231c)
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#define CSC01 __REG_2700G(0x00002330)
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#define CSC02 __REG_2700G(0x00002334)
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#define CSC03 __REG_2700G(0x00002338)
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#define CSC04 __REG_2700G(0x0000233c)
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#define CSC05 __REG_2700G(0x00002340)
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#define FB_MEMORY_START __REG_2700G(0x00060000)
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#endif /* __REGS_2700G_ */
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