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3593cab5d6
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* Video4Linux bw-qcam driver
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*
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* Derived from code..
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*/
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/******************************************************************
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Copyright (C) 1996 by Scott Laird
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL SCOTT LAIRD BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************/
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/* One from column A... */
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#define QC_NOTSET 0
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#define QC_UNIDIR 1
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#define QC_BIDIR 2
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#define QC_SERIAL 3
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/* ... and one from column B */
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#define QC_ANY 0x00
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#define QC_FORCE_UNIDIR 0x10
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#define QC_FORCE_BIDIR 0x20
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#define QC_FORCE_SERIAL 0x30
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/* in the port_mode member */
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#define QC_MODE_MASK 0x07
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#define QC_FORCE_MASK 0x70
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#define MAX_HEIGHT 243
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#define MAX_WIDTH 336
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/* Bit fields for status flags */
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#define QC_PARAM_CHANGE 0x01 /* Camera status change has occurred */
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struct qcam_device {
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struct video_device vdev;
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struct pardevice *pdev;
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struct parport *pport;
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struct mutex lock;
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int width, height;
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int bpp;
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int mode;
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int contrast, brightness, whitebal;
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int port_mode;
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int transfer_scale;
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int top, left;
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int status;
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unsigned int saved_bits;
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};
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