2009-11-02 19:13:21 +08:00
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/*
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2012-02-27 16:15:12 +08:00
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* Pixart PAC7302 driver
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2009-11-02 19:13:21 +08:00
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*
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2012-02-27 16:15:12 +08:00
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* Copyright (C) 2008-2012 Jean-Francois Moine <http://moinejf.free.fr>
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* Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li
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2009-11-02 19:13:21 +08:00
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*
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2010-01-29 03:35:40 +08:00
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* Separated from Pixart PAC7311 library by Márton Németh
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2010-01-29 03:33:38 +08:00
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* Camera button input handling by Márton Németh <nm127@freemail.hu>
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* Copyright (C) 2009-2010 Márton Németh <nm127@freemail.hu>
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2009-11-02 19:13:21 +08:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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2012-04-28 21:31:17 +08:00
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/*
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* Some documentation about various registers as determined by trial and error.
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*
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2012-09-10 02:02:21 +08:00
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* Register page 0:
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*
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* Address Description
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2012-09-23 21:29:42 +08:00
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* 0x01 Red balance control
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* 0x02 Green balance control
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* 0x03 Blue balance control
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2012-09-10 02:02:24 +08:00
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* The Windows driver uses a quadratic approach to map
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* the settable values (0-200) on register values:
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2012-09-23 21:29:42 +08:00
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* min=0x20, default=0x40, max=0x80
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* 0x0f-0x20 Color and saturation control
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2012-09-10 02:02:24 +08:00
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* 0xa2-0xab Brightness, contrast and gamma control
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2012-09-10 02:02:21 +08:00
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* 0xb6 Sharpness control (bits 0-4)
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*
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2012-04-28 21:31:17 +08:00
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* Register page 1:
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*
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* Address Description
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* 0x78 Global control, bit 6 controls the LED (inverted)
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2012-04-28 00:00:57 +08:00
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* 0x80 Compression balance, 2 interesting settings:
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* 0x0f Default
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* 0x50 Values >= this switch the camera to a lower compression,
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* using the same table for both luminance and chrominance.
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* This gives a sharper picture. Only usable when running
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* at < 15 fps! Note currently the driver does not use this
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* as the quality gain is small and the generated JPG-s are
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* only understood by v4l-utils >= 0.8.9
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2012-04-28 21:31:17 +08:00
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*
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* Register page 3:
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*
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* Address Description
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* 0x02 Clock divider 3-63, fps = 90 / val. Must be a multiple of 3 on
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* the 7302, so one of 3, 6, 9, ..., except when between 6 and 12?
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* 0x03 Variable framerate ctrl reg2==3: 0 -> ~30 fps, 255 -> ~22fps
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* 0x04 Another var framerate ctrl reg2==3, reg3==0: 0 -> ~30 fps,
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* 63 -> ~27 fps, the 2 msb's must always be 1 !!
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* 0x05 Another var framerate ctrl reg2==3, reg3==0, reg4==0xc0:
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* 1 -> ~30 fps, 2 -> ~20 fps
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* 0x0e Exposure bits 0-7, 0-448, 0 = use full frame time
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* 0x0f Exposure bit 8, 0-448, 448 = no exposure at all
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2012-04-28 00:00:57 +08:00
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* 0x10 Gain 0-31
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* 0x12 Another gain 0-31, unlike 0x10 this one seems to start with an
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* amplification value of 1 rather then 0 at its lowest setting
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2012-04-28 21:31:17 +08:00
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* 0x21 Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused
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2012-04-28 00:00:57 +08:00
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* 0x80 Another framerate control, best left at 1, moving it from 1 to
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* 2 causes the framerate to become 3/4th of what it was, and
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* also seems to cause pixel averaging, resulting in an effective
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* resolution of 320x240 and thus a much blockier image
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2012-04-28 21:31:17 +08:00
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*
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* The registers are accessed in the following functions:
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*
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* Page | Register | Function
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* -----+------------+---------------------------------------------------
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2012-09-23 21:29:43 +08:00
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* 0 | 0x01 | setredbalance()
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* 0 | 0x03 | setbluebalance()
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2012-04-28 21:31:17 +08:00
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* 0 | 0x0f..0x20 | setcolors()
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* 0 | 0xa2..0xab | setbrightcont()
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2012-09-10 02:02:21 +08:00
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* 0 | 0xb6 | setsharpness()
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2012-04-28 21:31:17 +08:00
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* 0 | 0xc6 | setwhitebalance()
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* 0 | 0xdc | setbrightcont(), setcolors()
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* 3 | 0x02 | setexposure()
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2012-04-28 21:12:28 +08:00
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* 3 | 0x10, 0x12 | setgain()
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2012-04-28 21:31:17 +08:00
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* 3 | 0x11 | setcolors(), setgain(), setexposure(), sethvflip()
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* 3 | 0x21 | sethvflip()
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*/
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2009-11-02 19:13:21 +08:00
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2011-08-22 06:56:57 +08:00
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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2010-01-29 03:33:38 +08:00
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#include <linux/input.h>
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2009-11-02 19:13:21 +08:00
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#include "gspca.h"
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2012-02-27 16:40:47 +08:00
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/* Include pac common sof detection functions */
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#include "pac_common.h"
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2009-11-02 19:13:21 +08:00
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2012-09-23 21:29:43 +08:00
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#define PAC7302_RGB_BALANCE_MIN 0
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#define PAC7302_RGB_BALANCE_MAX 200
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#define PAC7302_RGB_BALANCE_DEFAULT 100
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#define PAC7302_GAIN_DEFAULT 15
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#define PAC7302_GAIN_KNEE 42
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#define PAC7302_EXPOSURE_DEFAULT 66 /* 33 ms / 30 fps */
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#define PAC7302_EXPOSURE_KNEE 133 /* 66 ms / 15 fps */
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2012-05-14 22:16:09 +08:00
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[media] gspca: don't break long lines
Due to the 80-cols restrictions, and latter due to checkpatch
warnings, several strings were broken into multiple lines. This
is not considered a good practice anymore, as it makes harder
to grep for strings at the source code.
As we're right now fixing other drivers due to KERN_CONT, we need
to be able to identify what printk strings don't end with a "\n".
It is a way easier to detect those if we don't break long lines.
So, join those continuation lines.
The patch was generated via the script below, and manually
adjusted if needed.
</script>
use Text::Tabs;
while (<>) {
if ($next ne "") {
$c=$_;
if ($c =~ /^\s+\"(.*)/) {
$c2=$1;
$next =~ s/\"\n$//;
$n = expand($next);
$funpos = index($n, '(');
$pos = index($c2, '",');
if ($funpos && $pos > 0) {
$s1 = substr $c2, 0, $pos + 2;
$s2 = ' ' x ($funpos + 1) . substr $c2, $pos + 2;
$s2 =~ s/^\s+//;
$s2 = ' ' x ($funpos + 1) . $s2 if ($s2 ne "");
print unexpand("$next$s1\n");
print unexpand("$s2\n") if ($s2 ne "");
} else {
print "$next$c2\n";
}
$next="";
next;
} else {
print $next;
}
$next="";
} else {
if (m/\"$/) {
if (!m/\\n\"$/) {
$next=$_;
next;
}
}
}
print $_;
}
</script>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-10-19 03:44:16 +08:00
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MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, Thomas Kaiser thomas@kaiser-linux.li");
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2009-11-02 19:13:21 +08:00
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MODULE_DESCRIPTION("Pixart PAC7302");
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MODULE_LICENSE("GPL");
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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2012-05-14 22:16:09 +08:00
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struct { /* brightness / contrast cluster */
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struct v4l2_ctrl *brightness;
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struct v4l2_ctrl *contrast;
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};
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struct v4l2_ctrl *saturation;
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struct v4l2_ctrl *white_balance;
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struct v4l2_ctrl *red_balance;
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struct v4l2_ctrl *blue_balance;
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struct { /* flip cluster */
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struct v4l2_ctrl *hflip;
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struct v4l2_ctrl *vflip;
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};
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2012-09-10 02:02:21 +08:00
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struct v4l2_ctrl *sharpness;
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2009-11-27 01:28:48 +08:00
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u8 flags;
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#define FL_HFLIP 0x01 /* mirrored by default */
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#define FL_VFLIP 0x02 /* vertical flipped by default */
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2009-11-02 19:13:21 +08:00
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u8 sof_read;
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2012-02-27 16:40:47 +08:00
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s8 autogain_ignore_frames;
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2009-11-02 19:13:21 +08:00
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atomic_t avg_lum;
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{640, 480, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG,
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2012-02-27 16:15:12 +08:00
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},
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2009-11-02 19:13:21 +08:00
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};
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#define LOAD_PAGE3 255
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#define END_OF_SEQUENCE 0
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2012-02-27 16:15:12 +08:00
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static const u8 init_7302[] = {
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2009-11-02 19:13:21 +08:00
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/* index,value */
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0xff, 0x01, /* page 1 */
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0x78, 0x00, /* deactivate */
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0xff, 0x01,
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0x78, 0x40, /* led off */
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};
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2012-02-27 16:15:12 +08:00
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static const u8 start_7302[] = {
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2009-11-02 19:13:21 +08:00
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/* index, len, [value]* */
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0xff, 1, 0x00, /* page 0 */
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0x00, 12, 0x01, 0x40, 0x40, 0x40, 0x01, 0xe0, 0x02, 0x80,
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0x00, 0x00, 0x00, 0x00,
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0x0d, 24, 0x03, 0x01, 0x00, 0xb5, 0x07, 0xcb, 0x00, 0x00,
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0x07, 0xc8, 0x00, 0xea, 0x07, 0xcf, 0x07, 0xf7,
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0x07, 0x7e, 0x01, 0x0b, 0x00, 0x00, 0x00, 0x11,
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0x26, 2, 0xaa, 0xaa,
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0x2e, 1, 0x31,
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0x38, 1, 0x01,
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0x3a, 3, 0x14, 0xff, 0x5a,
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0x43, 11, 0x00, 0x0a, 0x18, 0x11, 0x01, 0x2c, 0x88, 0x11,
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0x00, 0x54, 0x11,
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0x55, 1, 0x00,
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2012-02-27 16:15:12 +08:00
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0x62, 4, 0x10, 0x1e, 0x1e, 0x18,
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2009-11-02 19:13:21 +08:00
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0x6b, 1, 0x00,
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0x6e, 3, 0x08, 0x06, 0x00,
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0x72, 3, 0x00, 0xff, 0x00,
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0x7d, 23, 0x01, 0x01, 0x58, 0x46, 0x50, 0x3c, 0x50, 0x3c,
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0x54, 0x46, 0x54, 0x56, 0x52, 0x50, 0x52, 0x50,
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0x56, 0x64, 0xa4, 0x00, 0xda, 0x00, 0x00,
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0xa2, 10, 0x22, 0x2c, 0x3c, 0x54, 0x69, 0x7c, 0x9c, 0xb9,
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0xd2, 0xeb,
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0xaf, 1, 0x02,
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0xb5, 2, 0x08, 0x08,
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0xb8, 2, 0x08, 0x88,
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0xc4, 4, 0xae, 0x01, 0x04, 0x01,
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0xcc, 1, 0x00,
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0xd1, 11, 0x01, 0x30, 0x49, 0x5e, 0x6f, 0x7f, 0x8e, 0xa9,
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0xc1, 0xd7, 0xec,
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0xdc, 1, 0x01,
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0xff, 1, 0x01, /* page 1 */
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0x12, 3, 0x02, 0x00, 0x01,
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0x3e, 2, 0x00, 0x00,
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0x76, 5, 0x01, 0x20, 0x40, 0x00, 0xf2,
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0x7c, 1, 0x00,
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0x7f, 10, 0x4b, 0x0f, 0x01, 0x2c, 0x02, 0x58, 0x03, 0x20,
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0x02, 0x00,
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0x96, 5, 0x01, 0x10, 0x04, 0x01, 0x04,
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0xc8, 14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00,
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0x07, 0x00, 0x01, 0x07, 0x04, 0x01,
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0xd8, 1, 0x01,
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0xdb, 2, 0x00, 0x01,
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0xde, 7, 0x00, 0x01, 0x04, 0x04, 0x00, 0x00, 0x00,
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0xe6, 4, 0x00, 0x00, 0x00, 0x01,
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0xeb, 1, 0x00,
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0xff, 1, 0x02, /* page 2 */
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0x22, 1, 0x00,
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0xff, 1, 0x03, /* page 3 */
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0, LOAD_PAGE3, /* load the page 3 */
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0x11, 1, 0x01,
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0xff, 1, 0x02, /* page 2 */
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0x13, 1, 0x00,
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0x22, 4, 0x1f, 0xa4, 0xf0, 0x96,
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0x27, 2, 0x14, 0x0c,
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0x2a, 5, 0xc8, 0x00, 0x18, 0x12, 0x22,
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0x64, 8, 0x00, 0x00, 0xf0, 0x01, 0x14, 0x44, 0x44, 0x44,
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0x6e, 1, 0x08,
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0xff, 1, 0x01, /* page 1 */
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0x78, 1, 0x00,
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0, END_OF_SEQUENCE /* end of sequence */
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};
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#define SKIP 0xaa
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/* page 3 - the value SKIP says skip the index - see reg_w_page() */
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2012-02-27 16:15:12 +08:00
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static const u8 page3_7302[] = {
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2010-02-17 22:59:19 +08:00
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0x90, 0x40, 0x03, 0x00, 0xc0, 0x01, 0x14, 0x16,
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2009-11-02 19:13:21 +08:00
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0x14, 0x12, 0x00, 0x00, 0x00, 0x02, 0x33, 0x00,
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0x0f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x47, 0x01, 0xb3, 0x01, 0x00,
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0x00, 0x08, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x21,
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0x00, 0x00, 0x00, 0x54, 0xf4, 0x02, 0x52, 0x54,
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0xa4, 0xb8, 0xe0, 0x2a, 0xf6, 0x00, 0x00, 0x00,
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0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0xfc, 0x00, 0xf2, 0x1f, 0x04, 0x00, 0x00,
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2010-01-12 02:06:12 +08:00
|
|
|
SKIP, 0x00, 0x00, 0xc0, 0xc0, 0x10, 0x00, 0x00,
|
2009-11-02 19:13:21 +08:00
|
|
|
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
|
0x00, 0x40, 0xff, 0x03, 0x19, 0x00, 0x00, 0x00,
|
|
|
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc8, 0xc8,
|
|
|
|
|
0xc8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,
|
|
|
|
|
0x08, 0x10, 0x24, 0x40, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
|
0x01, 0x00, 0x02, 0x47, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
|
0x00, 0x02, 0xfa, 0x00, 0x64, 0x5a, 0x28, 0x00,
|
|
|
|
|
0x00
|
|
|
|
|
};
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void reg_w_buf(struct gspca_dev *gspca_dev,
|
2012-02-27 16:15:12 +08:00
|
|
|
u8 index,
|
2010-12-28 17:59:04 +08:00
|
|
|
const u8 *buffer, int len)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
2009-11-05 16:35:08 +08:00
|
|
|
int ret;
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
if (gspca_dev->usb_err < 0)
|
|
|
|
|
return;
|
2009-11-02 19:13:21 +08:00
|
|
|
memcpy(gspca_dev->usb_buf, buffer, len);
|
2009-11-05 16:35:08 +08:00
|
|
|
ret = usb_control_msg(gspca_dev->dev,
|
2009-11-02 19:13:21 +08:00
|
|
|
usb_sndctrlpipe(gspca_dev->dev, 0),
|
2010-06-24 15:50:26 +08:00
|
|
|
0, /* request */
|
2009-11-02 19:13:21 +08:00
|
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
|
|
|
0, /* value */
|
|
|
|
|
index, gspca_dev->usb_buf, len,
|
|
|
|
|
500);
|
2010-01-14 02:09:14 +08:00
|
|
|
if (ret < 0) {
|
2012-02-27 16:15:12 +08:00
|
|
|
pr_err("reg_w_buf failed i: %02x error %d\n",
|
2011-08-22 06:56:57 +08:00
|
|
|
index, ret);
|
2010-01-14 02:09:14 +08:00
|
|
|
gspca_dev->usb_err = ret;
|
|
|
|
|
}
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void reg_w(struct gspca_dev *gspca_dev,
|
2012-02-27 16:15:12 +08:00
|
|
|
u8 index,
|
|
|
|
|
u8 value)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
2009-11-05 16:35:08 +08:00
|
|
|
int ret;
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
if (gspca_dev->usb_err < 0)
|
|
|
|
|
return;
|
2009-11-02 19:13:21 +08:00
|
|
|
gspca_dev->usb_buf[0] = value;
|
2009-11-05 16:35:08 +08:00
|
|
|
ret = usb_control_msg(gspca_dev->dev,
|
2009-11-02 19:13:21 +08:00
|
|
|
usb_sndctrlpipe(gspca_dev->dev, 0),
|
|
|
|
|
0, /* request */
|
|
|
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
|
|
|
0, index, gspca_dev->usb_buf, 1,
|
|
|
|
|
500);
|
2010-01-14 02:09:14 +08:00
|
|
|
if (ret < 0) {
|
2012-02-27 16:15:12 +08:00
|
|
|
pr_err("reg_w() failed i: %02x v: %02x error %d\n",
|
2011-08-22 06:56:57 +08:00
|
|
|
index, value, ret);
|
2010-01-14 02:09:14 +08:00
|
|
|
gspca_dev->usb_err = ret;
|
|
|
|
|
}
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void reg_w_seq(struct gspca_dev *gspca_dev,
|
2012-02-27 16:15:12 +08:00
|
|
|
const u8 *seq, int len)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
|
|
|
|
while (--len >= 0) {
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, seq[0], seq[1]);
|
2009-11-02 19:13:21 +08:00
|
|
|
seq += 2;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* load the beginning of a page */
|
2010-01-14 02:09:14 +08:00
|
|
|
static void reg_w_page(struct gspca_dev *gspca_dev,
|
2012-02-27 16:15:12 +08:00
|
|
|
const u8 *page, int len)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
|
|
|
|
int index;
|
2009-11-07 16:52:02 +08:00
|
|
|
int ret = 0;
|
2009-11-02 19:13:21 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
if (gspca_dev->usb_err < 0)
|
|
|
|
|
return;
|
2009-11-02 19:13:21 +08:00
|
|
|
for (index = 0; index < len; index++) {
|
|
|
|
|
if (page[index] == SKIP) /* skip this index */
|
|
|
|
|
continue;
|
|
|
|
|
gspca_dev->usb_buf[0] = page[index];
|
2009-11-05 16:35:08 +08:00
|
|
|
ret = usb_control_msg(gspca_dev->dev,
|
2009-11-02 19:13:21 +08:00
|
|
|
usb_sndctrlpipe(gspca_dev->dev, 0),
|
|
|
|
|
0, /* request */
|
|
|
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
|
|
|
0, index, gspca_dev->usb_buf, 1,
|
|
|
|
|
500);
|
2009-11-07 16:52:02 +08:00
|
|
|
if (ret < 0) {
|
2012-02-27 16:15:12 +08:00
|
|
|
pr_err("reg_w_page() failed i: %02x v: %02x error %d\n",
|
2011-08-22 06:56:57 +08:00
|
|
|
index, page[index], ret);
|
2010-01-14 02:09:14 +08:00
|
|
|
gspca_dev->usb_err = ret;
|
2009-11-07 16:52:02 +08:00
|
|
|
break;
|
|
|
|
|
}
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* output a variable sequence */
|
2010-01-14 02:09:14 +08:00
|
|
|
static void reg_w_var(struct gspca_dev *gspca_dev,
|
2012-02-27 16:15:12 +08:00
|
|
|
const u8 *seq,
|
|
|
|
|
const u8 *page3, unsigned int page3_len)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
|
|
|
|
int index, len;
|
|
|
|
|
|
|
|
|
|
for (;;) {
|
|
|
|
|
index = *seq++;
|
|
|
|
|
len = *seq++;
|
|
|
|
|
switch (len) {
|
|
|
|
|
case END_OF_SEQUENCE:
|
2010-01-14 02:09:14 +08:00
|
|
|
return;
|
2009-11-02 19:13:21 +08:00
|
|
|
case LOAD_PAGE3:
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w_page(gspca_dev, page3, page3_len);
|
2009-11-02 19:13:21 +08:00
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
if (len > USB_BUF_SZ) {
|
2017-09-23 02:33:35 +08:00
|
|
|
gspca_err(gspca_dev, "Incorrect variable sequence\n");
|
2010-01-14 02:09:14 +08:00
|
|
|
return;
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
while (len > 0) {
|
|
|
|
|
if (len < 8) {
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w_buf(gspca_dev,
|
2009-11-07 16:52:02 +08:00
|
|
|
index, seq, len);
|
2009-11-02 19:13:21 +08:00
|
|
|
seq += len;
|
|
|
|
|
break;
|
|
|
|
|
}
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w_buf(gspca_dev, index, seq, 8);
|
2009-11-02 19:13:21 +08:00
|
|
|
seq += 8;
|
|
|
|
|
index += 8;
|
|
|
|
|
len -= 8;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
/* not reached */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* this function is called at probe time for pac7302 */
|
|
|
|
|
static int sd_config(struct gspca_dev *gspca_dev,
|
|
|
|
|
const struct usb_device_id *id)
|
|
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
struct cam *cam;
|
|
|
|
|
|
|
|
|
|
cam = &gspca_dev->cam;
|
|
|
|
|
|
|
|
|
|
cam->cam_mode = vga_mode; /* only 640x480 */
|
|
|
|
|
cam->nmodes = ARRAY_SIZE(vga_mode);
|
|
|
|
|
|
2009-11-27 01:28:48 +08:00
|
|
|
sd->flags = id->driver_info;
|
2009-11-02 19:13:21 +08:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void setbrightcont(struct gspca_dev *gspca_dev)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
int i, v;
|
2012-02-27 16:15:12 +08:00
|
|
|
static const u8 max[10] =
|
2009-11-02 19:13:21 +08:00
|
|
|
{0x29, 0x33, 0x42, 0x5a, 0x6e, 0x80, 0x9f, 0xbb,
|
|
|
|
|
0xd4, 0xec};
|
2012-02-27 16:15:12 +08:00
|
|
|
static const u8 delta[10] =
|
2009-11-02 19:13:21 +08:00
|
|
|
{0x35, 0x33, 0x33, 0x2f, 0x2a, 0x25, 0x1e, 0x17,
|
|
|
|
|
0x11, 0x0b};
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
|
2009-11-02 19:13:21 +08:00
|
|
|
for (i = 0; i < 10; i++) {
|
|
|
|
|
v = max[i];
|
2014-07-17 23:31:23 +08:00
|
|
|
v += (sd->brightness->val - (s32)sd->brightness->maximum)
|
|
|
|
|
* 150 / (s32)sd->brightness->maximum; /* 200 ? */
|
|
|
|
|
v -= delta[i] * sd->contrast->val / (s32)sd->contrast->maximum;
|
2009-11-02 19:13:21 +08:00
|
|
|
if (v < 0)
|
|
|
|
|
v = 0;
|
|
|
|
|
else if (v > 0xff)
|
|
|
|
|
v = 0xff;
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xa2 + i, v);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xdc, 0x01);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void setcolors(struct gspca_dev *gspca_dev)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
int i, v;
|
|
|
|
|
static const int a[9] =
|
|
|
|
|
{217, -212, 0, -101, 170, -67, -38, -315, 355};
|
|
|
|
|
static const int b[9] =
|
|
|
|
|
{19, 106, 0, 19, 106, 1, 19, 106, 1};
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
|
|
|
|
|
reg_w(gspca_dev, 0x11, 0x01);
|
|
|
|
|
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
|
2009-11-02 19:13:21 +08:00
|
|
|
for (i = 0; i < 9; i++) {
|
2014-07-17 23:31:23 +08:00
|
|
|
v = a[i] * sd->saturation->val / (s32)sd->saturation->maximum;
|
2012-05-14 22:16:09 +08:00
|
|
|
v += b[i];
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0x0f + 2 * i, (v >> 8) & 0x07);
|
|
|
|
|
reg_w(gspca_dev, 0x0f + 2 * i + 1, v);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xdc, 0x01);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void setwhitebalance(struct gspca_dev *gspca_dev)
|
2009-11-08 15:35:12 +08:00
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
|
2012-05-14 22:16:09 +08:00
|
|
|
reg_w(gspca_dev, 0xc6, sd->white_balance->val);
|
2009-11-08 15:35:12 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xdc, 0x01);
|
2009-11-08 15:35:12 +08:00
|
|
|
}
|
|
|
|
|
|
2012-09-23 21:29:43 +08:00
|
|
|
static u8 rgbbalance_ctrl_to_reg_value(s32 rgb_ctrl_val)
|
|
|
|
|
{
|
|
|
|
|
const unsigned int k = 1000; /* precision factor */
|
|
|
|
|
unsigned int norm;
|
|
|
|
|
|
|
|
|
|
/* Normed value [0...k] */
|
|
|
|
|
norm = k * (rgb_ctrl_val - PAC7302_RGB_BALANCE_MIN)
|
|
|
|
|
/ (PAC7302_RGB_BALANCE_MAX - PAC7302_RGB_BALANCE_MIN);
|
|
|
|
|
/* Qudratic apporach improves control at small (register) values: */
|
|
|
|
|
return 64 * norm * norm / (k*k) + 32 * norm / k + 32;
|
|
|
|
|
/* Y = 64*X*X + 32*X + 32
|
|
|
|
|
* => register values 0x20-0x80; Windows driver uses these limits */
|
|
|
|
|
|
|
|
|
|
/* NOTE: for full value range (0x00-0xff) use
|
|
|
|
|
* Y = 254*X*X + X
|
|
|
|
|
* => 254 * norm * norm / (k*k) + 1 * norm / k */
|
|
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void setredbalance(struct gspca_dev *gspca_dev)
|
2009-11-08 02:15:56 +08:00
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
2012-09-23 21:29:43 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
|
|
|
|
|
reg_w(gspca_dev, 0x01,
|
|
|
|
|
rgbbalance_ctrl_to_reg_value(sd->red_balance->val));
|
2009-11-08 02:15:56 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xdc, 0x01);
|
2009-11-08 02:15:56 +08:00
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void setbluebalance(struct gspca_dev *gspca_dev)
|
2009-11-08 02:15:56 +08:00
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
|
2012-09-23 21:29:43 +08:00
|
|
|
reg_w(gspca_dev, 0x03,
|
|
|
|
|
rgbbalance_ctrl_to_reg_value(sd->blue_balance->val));
|
2009-11-08 02:15:56 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xdc, 0x01);
|
2009-11-08 02:15:56 +08:00
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void setgain(struct gspca_dev *gspca_dev)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
2012-04-28 21:12:28 +08:00
|
|
|
u8 reg10, reg12;
|
|
|
|
|
|
2012-05-14 22:16:09 +08:00
|
|
|
if (gspca_dev->gain->val < 32) {
|
|
|
|
|
reg10 = gspca_dev->gain->val;
|
2012-04-28 21:12:28 +08:00
|
|
|
reg12 = 0;
|
|
|
|
|
} else {
|
|
|
|
|
reg10 = 31;
|
2012-05-14 22:16:09 +08:00
|
|
|
reg12 = gspca_dev->gain->val - 31;
|
2012-04-28 21:12:28 +08:00
|
|
|
}
|
2009-11-02 19:13:21 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
|
2012-04-28 21:12:28 +08:00
|
|
|
reg_w(gspca_dev, 0x10, reg10);
|
|
|
|
|
reg_w(gspca_dev, 0x12, reg12);
|
2009-11-02 19:13:21 +08:00
|
|
|
|
|
|
|
|
/* load registers to sensor (Bit 0, auto clear) */
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0x11, 0x01);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void setexposure(struct gspca_dev *gspca_dev)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
2012-02-27 16:15:12 +08:00
|
|
|
u8 clockdiv;
|
|
|
|
|
u16 exposure;
|
2010-02-17 22:59:19 +08:00
|
|
|
|
2012-04-28 21:31:17 +08:00
|
|
|
/*
|
|
|
|
|
* Register 2 of frame 3 contains the clock divider configuring the
|
|
|
|
|
* no fps according to the formula: 90 / reg. sd->exposure is the
|
|
|
|
|
* desired exposure time in 0.5 ms.
|
|
|
|
|
*/
|
2012-05-14 22:16:09 +08:00
|
|
|
clockdiv = (90 * gspca_dev->exposure->val + 1999) / 2000;
|
2010-02-17 22:59:19 +08:00
|
|
|
|
2012-04-28 21:31:17 +08:00
|
|
|
/*
|
|
|
|
|
* Note clockdiv = 3 also works, but when running at 30 fps, depending
|
|
|
|
|
* on the scene being recorded, the camera switches to another
|
|
|
|
|
* quantization table for certain JPEG blocks, and we don't know how
|
|
|
|
|
* to decompress these blocks. So we cap the framerate at 15 fps.
|
|
|
|
|
*/
|
2010-02-17 22:59:19 +08:00
|
|
|
if (clockdiv < 6)
|
|
|
|
|
clockdiv = 6;
|
|
|
|
|
else if (clockdiv > 63)
|
|
|
|
|
clockdiv = 63;
|
|
|
|
|
|
2012-04-28 21:31:17 +08:00
|
|
|
/*
|
|
|
|
|
* Register 2 MUST be a multiple of 3, except when between 6 and 12?
|
|
|
|
|
* Always round up, otherwise we cannot get the desired frametime
|
|
|
|
|
* using the partial frame time exposure control.
|
|
|
|
|
*/
|
2010-02-17 22:59:19 +08:00
|
|
|
if (clockdiv < 6 || clockdiv > 12)
|
|
|
|
|
clockdiv = ((clockdiv + 2) / 3) * 3;
|
|
|
|
|
|
2012-04-28 21:31:17 +08:00
|
|
|
/*
|
|
|
|
|
* frame exposure time in ms = 1000 * clockdiv / 90 ->
|
|
|
|
|
* exposure = (sd->exposure / 2) * 448 / (1000 * clockdiv / 90)
|
|
|
|
|
*/
|
2012-05-14 22:16:09 +08:00
|
|
|
exposure = (gspca_dev->exposure->val * 45 * 448) / (1000 * clockdiv);
|
2010-02-17 22:59:19 +08:00
|
|
|
/* 0 = use full frametime, 448 = no exposure, reverse it */
|
|
|
|
|
exposure = 448 - exposure;
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
|
2010-02-17 22:59:19 +08:00
|
|
|
reg_w(gspca_dev, 0x02, clockdiv);
|
|
|
|
|
reg_w(gspca_dev, 0x0e, exposure & 0xff);
|
|
|
|
|
reg_w(gspca_dev, 0x0f, exposure >> 8);
|
2009-11-02 19:13:21 +08:00
|
|
|
|
|
|
|
|
/* load registers to sensor (Bit 0, auto clear) */
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0x11, 0x01);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
static void sethvflip(struct gspca_dev *gspca_dev)
|
2009-11-02 19:13:21 +08:00
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
2009-11-27 01:28:48 +08:00
|
|
|
u8 data, hflip, vflip;
|
|
|
|
|
|
2012-05-14 22:16:09 +08:00
|
|
|
hflip = sd->hflip->val;
|
2009-11-27 01:28:48 +08:00
|
|
|
if (sd->flags & FL_HFLIP)
|
|
|
|
|
hflip = !hflip;
|
2012-05-14 22:16:09 +08:00
|
|
|
vflip = sd->vflip->val;
|
2009-11-27 01:28:48 +08:00
|
|
|
if (sd->flags & FL_VFLIP)
|
|
|
|
|
vflip = !vflip;
|
2009-11-02 19:13:21 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
|
2009-11-27 01:28:48 +08:00
|
|
|
data = (hflip ? 0x08 : 0x00) | (vflip ? 0x04 : 0x00);
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0x21, data);
|
|
|
|
|
|
2009-11-02 19:13:21 +08:00
|
|
|
/* load registers to sensor (Bit 0, auto clear) */
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0x11, 0x01);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2012-09-10 02:02:21 +08:00
|
|
|
static void setsharpness(struct gspca_dev *gspca_dev)
|
|
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
|
|
|
|
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
|
|
|
|
|
reg_w(gspca_dev, 0xb6, sd->sharpness->val);
|
|
|
|
|
|
|
|
|
|
reg_w(gspca_dev, 0xdc, 0x01);
|
|
|
|
|
}
|
|
|
|
|
|
2009-11-02 19:13:21 +08:00
|
|
|
/* this function is called at probe and resume time for pac7302 */
|
|
|
|
|
static int sd_init(struct gspca_dev *gspca_dev)
|
|
|
|
|
{
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w_seq(gspca_dev, init_7302, sizeof(init_7302)/2);
|
|
|
|
|
return gspca_dev->usb_err;
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2012-05-14 22:16:09 +08:00
|
|
|
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
|
|
|
{
|
|
|
|
|
struct gspca_dev *gspca_dev =
|
|
|
|
|
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
|
|
|
|
|
struct sd *sd = (struct sd *)gspca_dev;
|
|
|
|
|
|
|
|
|
|
gspca_dev->usb_err = 0;
|
|
|
|
|
|
|
|
|
|
if (ctrl->id == V4L2_CID_AUTOGAIN && ctrl->is_new && ctrl->val) {
|
|
|
|
|
/* when switching to autogain set defaults to make sure
|
|
|
|
|
we are on a valid point of the autogain gain /
|
|
|
|
|
exposure knee graph, and give this change time to
|
|
|
|
|
take effect before doing autogain. */
|
|
|
|
|
gspca_dev->exposure->val = PAC7302_EXPOSURE_DEFAULT;
|
|
|
|
|
gspca_dev->gain->val = PAC7302_GAIN_DEFAULT;
|
|
|
|
|
sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!gspca_dev->streaming)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
switch (ctrl->id) {
|
|
|
|
|
case V4L2_CID_BRIGHTNESS:
|
|
|
|
|
setbrightcont(gspca_dev);
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_SATURATION:
|
|
|
|
|
setcolors(gspca_dev);
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_WHITE_BALANCE_TEMPERATURE:
|
|
|
|
|
setwhitebalance(gspca_dev);
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_RED_BALANCE:
|
|
|
|
|
setredbalance(gspca_dev);
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_BLUE_BALANCE:
|
|
|
|
|
setbluebalance(gspca_dev);
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_AUTOGAIN:
|
|
|
|
|
if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val))
|
|
|
|
|
setexposure(gspca_dev);
|
|
|
|
|
if (gspca_dev->gain->is_new || (ctrl->is_new && ctrl->val))
|
|
|
|
|
setgain(gspca_dev);
|
|
|
|
|
break;
|
|
|
|
|
case V4L2_CID_HFLIP:
|
|
|
|
|
sethvflip(gspca_dev);
|
|
|
|
|
break;
|
2012-09-10 02:02:21 +08:00
|
|
|
case V4L2_CID_SHARPNESS:
|
|
|
|
|
setsharpness(gspca_dev);
|
|
|
|
|
break;
|
2012-05-14 22:16:09 +08:00
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
return gspca_dev->usb_err;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
|
|
|
|
|
.s_ctrl = sd_s_ctrl,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* this function is called at probe time */
|
|
|
|
|
static int sd_init_controls(struct gspca_dev *gspca_dev)
|
|
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
|
|
|
|
|
|
|
|
|
|
gspca_dev->vdev.ctrl_handler = hdl;
|
2012-09-10 02:02:21 +08:00
|
|
|
v4l2_ctrl_handler_init(hdl, 12);
|
2012-05-14 22:16:09 +08:00
|
|
|
|
|
|
|
|
sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_BRIGHTNESS, 0, 32, 1, 16);
|
|
|
|
|
sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_CONTRAST, 0, 255, 1, 127);
|
|
|
|
|
|
|
|
|
|
sd->saturation = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_SATURATION, 0, 255, 1, 127);
|
|
|
|
|
sd->white_balance = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_WHITE_BALANCE_TEMPERATURE,
|
2012-09-10 02:02:22 +08:00
|
|
|
0, 255, 1, 55);
|
2012-05-14 22:16:09 +08:00
|
|
|
sd->red_balance = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
2012-09-23 21:29:43 +08:00
|
|
|
V4L2_CID_RED_BALANCE,
|
|
|
|
|
PAC7302_RGB_BALANCE_MIN,
|
|
|
|
|
PAC7302_RGB_BALANCE_MAX,
|
|
|
|
|
1, PAC7302_RGB_BALANCE_DEFAULT);
|
2012-05-14 22:16:09 +08:00
|
|
|
sd->blue_balance = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
2012-09-23 21:29:43 +08:00
|
|
|
V4L2_CID_BLUE_BALANCE,
|
|
|
|
|
PAC7302_RGB_BALANCE_MIN,
|
|
|
|
|
PAC7302_RGB_BALANCE_MAX,
|
|
|
|
|
1, PAC7302_RGB_BALANCE_DEFAULT);
|
2012-05-14 22:16:09 +08:00
|
|
|
|
|
|
|
|
gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
|
|
|
|
|
gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_EXPOSURE, 0, 1023, 1,
|
|
|
|
|
PAC7302_EXPOSURE_DEFAULT);
|
|
|
|
|
gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_GAIN, 0, 62, 1,
|
|
|
|
|
PAC7302_GAIN_DEFAULT);
|
|
|
|
|
|
|
|
|
|
sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_HFLIP, 0, 1, 1, 0);
|
|
|
|
|
sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_VFLIP, 0, 1, 1, 0);
|
|
|
|
|
|
2012-09-10 02:02:21 +08:00
|
|
|
sd->sharpness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
|
|
|
V4L2_CID_SHARPNESS, 0, 15, 1, 8);
|
|
|
|
|
|
2012-05-14 22:16:09 +08:00
|
|
|
if (hdl->error) {
|
|
|
|
|
pr_err("Could not initialize controls\n");
|
|
|
|
|
return hdl->error;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
v4l2_ctrl_cluster(2, &sd->brightness);
|
|
|
|
|
v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
|
|
|
|
|
v4l2_ctrl_cluster(2, &sd->hflip);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* -- start the camera -- */
|
2009-11-02 19:13:21 +08:00
|
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w_var(gspca_dev, start_7302,
|
2010-01-13 19:30:30 +08:00
|
|
|
page3_7302, sizeof(page3_7302));
|
2009-11-02 19:13:21 +08:00
|
|
|
|
|
|
|
|
sd->sof_read = 0;
|
2012-05-14 22:16:09 +08:00
|
|
|
sd->autogain_ignore_frames = 0;
|
|
|
|
|
atomic_set(&sd->avg_lum, 270 + sd->brightness->val);
|
2009-11-02 19:13:21 +08:00
|
|
|
|
|
|
|
|
/* start stream */
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x01);
|
|
|
|
|
reg_w(gspca_dev, 0x78, 0x01);
|
2009-11-02 19:13:21 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
return gspca_dev->usb_err;
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
|
|
|
{
|
2009-11-07 16:52:02 +08:00
|
|
|
|
2009-11-07 16:45:33 +08:00
|
|
|
/* stop stream */
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x01);
|
|
|
|
|
reg_w(gspca_dev, 0x78, 0x00);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* called on streamoff with alt 0 and on disconnect for pac7302 */
|
|
|
|
|
static void sd_stop0(struct gspca_dev *gspca_dev)
|
|
|
|
|
{
|
|
|
|
|
if (!gspca_dev->present)
|
|
|
|
|
return;
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x01);
|
|
|
|
|
reg_w(gspca_dev, 0x78, 0x40);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void do_autogain(struct gspca_dev *gspca_dev)
|
|
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
int avg_lum = atomic_read(&sd->avg_lum);
|
2010-02-17 22:59:19 +08:00
|
|
|
int desired_lum;
|
|
|
|
|
const int deadzone = 30;
|
2009-11-02 19:13:21 +08:00
|
|
|
|
2012-02-27 16:40:47 +08:00
|
|
|
if (sd->autogain_ignore_frames < 0)
|
2009-11-02 19:13:21 +08:00
|
|
|
return;
|
|
|
|
|
|
2012-02-27 16:40:47 +08:00
|
|
|
if (sd->autogain_ignore_frames > 0) {
|
2009-11-02 19:13:21 +08:00
|
|
|
sd->autogain_ignore_frames--;
|
2012-02-27 16:40:47 +08:00
|
|
|
} else {
|
2012-05-14 22:16:09 +08:00
|
|
|
desired_lum = 270 + sd->brightness->val;
|
2012-02-27 16:40:47 +08:00
|
|
|
|
2012-05-14 22:16:09 +08:00
|
|
|
if (gspca_expo_autogain(gspca_dev, avg_lum, desired_lum,
|
|
|
|
|
deadzone, PAC7302_GAIN_KNEE,
|
|
|
|
|
PAC7302_EXPOSURE_KNEE))
|
|
|
|
|
sd->autogain_ignore_frames =
|
|
|
|
|
PAC_AUTOGAIN_IGNORE_FRAMES;
|
2012-02-27 16:40:47 +08:00
|
|
|
}
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2012-02-27 16:21:57 +08:00
|
|
|
/* JPEG header */
|
|
|
|
|
static const u8 jpeg_header[] = {
|
|
|
|
|
0xff, 0xd8, /* SOI: Start of Image */
|
|
|
|
|
|
|
|
|
|
0xff, 0xc0, /* SOF0: Start of Frame (Baseline DCT) */
|
|
|
|
|
0x00, 0x11, /* length = 17 bytes (including this length field) */
|
|
|
|
|
0x08, /* Precision: 8 */
|
|
|
|
|
0x02, 0x80, /* height = 640 (image rotated) */
|
|
|
|
|
0x01, 0xe0, /* width = 480 */
|
|
|
|
|
0x03, /* Number of image components: 3 */
|
|
|
|
|
0x01, 0x21, 0x00, /* ID=1, Subsampling 1x1, Quantization table: 0 */
|
|
|
|
|
0x02, 0x11, 0x01, /* ID=2, Subsampling 2x1, Quantization table: 1 */
|
|
|
|
|
0x03, 0x11, 0x01, /* ID=3, Subsampling 2x1, Quantization table: 1 */
|
|
|
|
|
|
|
|
|
|
0xff, 0xda, /* SOS: Start Of Scan */
|
|
|
|
|
0x00, 0x0c, /* length = 12 bytes (including this length field) */
|
|
|
|
|
0x03, /* number of components: 3 */
|
|
|
|
|
0x01, 0x00, /* selector 1, table 0x00 */
|
|
|
|
|
0x02, 0x11, /* selector 2, table 0x11 */
|
|
|
|
|
0x03, 0x11, /* selector 3, table 0x11 */
|
|
|
|
|
0x00, 0x3f, /* Spectral selection: 0 .. 63 */
|
|
|
|
|
0x00 /* Successive approximation: 0 */
|
2009-11-02 19:13:21 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* this function is run at interrupt level */
|
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
2009-11-13 20:21:03 +08:00
|
|
|
u8 *data, /* isoc packet */
|
2009-11-02 19:13:21 +08:00
|
|
|
int len) /* iso packet length */
|
|
|
|
|
{
|
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
2010-06-27 14:08:19 +08:00
|
|
|
u8 *image;
|
2012-02-27 16:15:12 +08:00
|
|
|
u8 *sof;
|
2009-11-02 19:13:21 +08:00
|
|
|
|
2013-02-05 00:17:55 +08:00
|
|
|
sof = pac_find_sof(gspca_dev, &sd->sof_read, data, len);
|
2009-11-02 19:13:21 +08:00
|
|
|
if (sof) {
|
|
|
|
|
int n, lum_offset, footer_length;
|
|
|
|
|
|
2012-04-28 21:31:17 +08:00
|
|
|
/*
|
|
|
|
|
* 6 bytes after the FF D9 EOF marker a number of lumination
|
|
|
|
|
* bytes are send corresponding to different parts of the
|
|
|
|
|
* image, the 14th and 15th byte after the EOF seem to
|
|
|
|
|
* correspond to the center of the image.
|
|
|
|
|
*/
|
2009-11-02 19:13:21 +08:00
|
|
|
lum_offset = 61 + sizeof pac_sof_marker;
|
|
|
|
|
footer_length = 74;
|
|
|
|
|
|
|
|
|
|
/* Finish decoding current frame */
|
|
|
|
|
n = (sof - data) - (footer_length + sizeof pac_sof_marker);
|
|
|
|
|
if (n < 0) {
|
2010-06-27 14:08:19 +08:00
|
|
|
gspca_dev->image_len += n;
|
2009-11-02 19:13:21 +08:00
|
|
|
n = 0;
|
2010-06-27 14:08:19 +08:00
|
|
|
} else {
|
|
|
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, data, n);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
2010-07-06 15:32:27 +08:00
|
|
|
|
|
|
|
|
image = gspca_dev->image;
|
|
|
|
|
if (image != NULL
|
2010-06-27 14:08:19 +08:00
|
|
|
&& image[gspca_dev->image_len - 2] == 0xff
|
|
|
|
|
&& image[gspca_dev->image_len - 1] == 0xd9)
|
|
|
|
|
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
|
2009-11-02 19:13:21 +08:00
|
|
|
|
|
|
|
|
n = sof - data;
|
|
|
|
|
len -= n;
|
|
|
|
|
data = sof;
|
|
|
|
|
|
|
|
|
|
/* Get average lumination */
|
|
|
|
|
if (gspca_dev->last_packet_type == LAST_PACKET &&
|
|
|
|
|
n >= lum_offset)
|
|
|
|
|
atomic_set(&sd->avg_lum, data[-lum_offset] +
|
|
|
|
|
data[-lum_offset + 1]);
|
|
|
|
|
|
|
|
|
|
/* Start the new frame with the jpeg header */
|
|
|
|
|
/* The PAC7302 has the image rotated 90 degrees */
|
2012-02-27 16:21:57 +08:00
|
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
|
|
|
|
jpeg_header, sizeof jpeg_header);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
2009-11-13 20:21:03 +08:00
|
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
|
2009-11-02 19:13:21 +08:00
|
|
|
}
|
|
|
|
|
|
2009-11-09 18:10:46 +08:00
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
|
|
|
static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
|
2013-03-24 19:28:46 +08:00
|
|
|
const struct v4l2_dbg_register *reg)
|
2009-11-09 18:10:46 +08:00
|
|
|
{
|
2012-02-27 16:15:12 +08:00
|
|
|
u8 index;
|
|
|
|
|
u8 value;
|
2009-11-09 18:10:46 +08:00
|
|
|
|
2012-04-28 21:31:17 +08:00
|
|
|
/*
|
|
|
|
|
* reg->reg: bit0..15: reserved for register index (wIndex is 16bit
|
|
|
|
|
* long on the USB bus)
|
|
|
|
|
*/
|
2013-05-29 17:59:42 +08:00
|
|
|
if (reg->match.addr == 0 &&
|
2009-11-09 18:10:46 +08:00
|
|
|
(reg->reg < 0x000000ff) &&
|
|
|
|
|
(reg->val <= 0x000000ff)
|
|
|
|
|
) {
|
|
|
|
|
/* Currently writing to page 0 is only supported. */
|
|
|
|
|
/* reg_w() only supports 8bit index */
|
2012-02-27 16:15:12 +08:00
|
|
|
index = reg->reg;
|
|
|
|
|
value = reg->val;
|
2009-11-09 18:10:46 +08:00
|
|
|
|
2012-04-28 21:31:17 +08:00
|
|
|
/*
|
|
|
|
|
* Note that there shall be no access to other page
|
|
|
|
|
* by any other function between the page switch and
|
|
|
|
|
* the actual register write.
|
|
|
|
|
*/
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
|
|
|
|
|
reg_w(gspca_dev, index, value);
|
2009-11-09 18:10:46 +08:00
|
|
|
|
2010-01-14 02:09:14 +08:00
|
|
|
reg_w(gspca_dev, 0xdc, 0x01);
|
2009-11-09 18:10:46 +08:00
|
|
|
}
|
2010-01-14 02:09:14 +08:00
|
|
|
return gspca_dev->usb_err;
|
2009-11-09 18:10:46 +08:00
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2013-01-25 06:29:03 +08:00
|
|
|
#if IS_ENABLED(CONFIG_INPUT)
|
2010-01-29 03:33:38 +08:00
|
|
|
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
|
|
|
|
|
u8 *data, /* interrupt packet data */
|
2013-10-21 08:34:01 +08:00
|
|
|
int len) /* interrupt packet length */
|
2010-01-29 03:33:38 +08:00
|
|
|
{
|
|
|
|
|
int ret = -EINVAL;
|
|
|
|
|
u8 data0, data1;
|
|
|
|
|
|
|
|
|
|
if (len == 2) {
|
|
|
|
|
data0 = data[0];
|
|
|
|
|
data1 = data[1];
|
|
|
|
|
if ((data0 == 0x00 && data1 == 0x11) ||
|
|
|
|
|
(data0 == 0x22 && data1 == 0x33) ||
|
|
|
|
|
(data0 == 0x44 && data1 == 0x55) ||
|
|
|
|
|
(data0 == 0x66 && data1 == 0x77) ||
|
|
|
|
|
(data0 == 0x88 && data1 == 0x99) ||
|
|
|
|
|
(data0 == 0xaa && data1 == 0xbb) ||
|
|
|
|
|
(data0 == 0xcc && data1 == 0xdd) ||
|
|
|
|
|
(data0 == 0xee && data1 == 0xff)) {
|
|
|
|
|
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
|
|
|
|
|
input_sync(gspca_dev->input_dev);
|
|
|
|
|
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
|
|
|
|
|
input_sync(gspca_dev->input_dev);
|
|
|
|
|
ret = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2009-11-02 19:13:21 +08:00
|
|
|
/* sub-driver description for pac7302 */
|
2010-01-05 23:39:02 +08:00
|
|
|
static const struct sd_desc sd_desc = {
|
2012-02-27 16:15:12 +08:00
|
|
|
.name = KBUILD_MODNAME,
|
2009-11-02 19:13:21 +08:00
|
|
|
.config = sd_config,
|
|
|
|
|
.init = sd_init,
|
2012-05-14 22:16:09 +08:00
|
|
|
.init_controls = sd_init_controls,
|
2009-11-02 19:13:21 +08:00
|
|
|
.start = sd_start,
|
|
|
|
|
.stopN = sd_stopN,
|
|
|
|
|
.stop0 = sd_stop0,
|
|
|
|
|
.pkt_scan = sd_pkt_scan,
|
|
|
|
|
.dq_callback = do_autogain,
|
2009-11-09 18:10:46 +08:00
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
|
|
|
.set_register = sd_dbg_s_register,
|
|
|
|
|
#endif
|
2013-01-25 06:29:03 +08:00
|
|
|
#if IS_ENABLED(CONFIG_INPUT)
|
2010-01-29 03:33:38 +08:00
|
|
|
.int_pkt_scan = sd_int_pkt_scan,
|
|
|
|
|
#endif
|
2009-11-02 19:13:21 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* -- module initialisation -- */
|
2011-01-13 16:20:29 +08:00
|
|
|
static const struct usb_device_id device_table[] = {
|
2009-11-02 19:13:21 +08:00
|
|
|
{USB_DEVICE(0x06f8, 0x3009)},
|
2012-02-27 15:58:59 +08:00
|
|
|
{USB_DEVICE(0x06f8, 0x301b)},
|
2009-11-02 19:13:21 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2620)},
|
|
|
|
|
{USB_DEVICE(0x093a, 0x2621)},
|
2009-11-27 01:28:48 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2622), .driver_info = FL_VFLIP},
|
2014-07-09 17:20:44 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2623), .driver_info = FL_VFLIP},
|
2009-11-27 01:28:48 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2624), .driver_info = FL_VFLIP},
|
2010-06-15 04:21:37 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2625)},
|
2009-11-02 19:13:21 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2626)},
|
2012-05-15 23:05:36 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2627), .driver_info = FL_VFLIP},
|
2009-11-02 19:13:21 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2628)},
|
2009-12-02 18:04:35 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x2629), .driver_info = FL_VFLIP},
|
2009-11-02 19:13:21 +08:00
|
|
|
{USB_DEVICE(0x093a, 0x262a)},
|
|
|
|
|
{USB_DEVICE(0x093a, 0x262c)},
|
2011-12-31 06:15:53 +08:00
|
|
|
{USB_DEVICE(0x145f, 0x013c)},
|
2012-09-10 02:02:19 +08:00
|
|
|
{USB_DEVICE(0x1ae7, 0x2001)}, /* SpeedLink Snappy Mic SL-6825-SBK */
|
2009-11-02 19:13:21 +08:00
|
|
|
{}
|
|
|
|
|
};
|
|
|
|
|
MODULE_DEVICE_TABLE(usb, device_table);
|
|
|
|
|
|
|
|
|
|
/* -- device connect -- */
|
2011-01-13 16:20:29 +08:00
|
|
|
static int sd_probe(struct usb_interface *intf,
|
2009-11-02 19:13:21 +08:00
|
|
|
const struct usb_device_id *id)
|
|
|
|
|
{
|
|
|
|
|
return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
|
|
|
|
|
THIS_MODULE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct usb_driver sd_driver = {
|
2012-02-27 16:15:12 +08:00
|
|
|
.name = KBUILD_MODNAME,
|
2009-11-02 19:13:21 +08:00
|
|
|
.id_table = device_table,
|
|
|
|
|
.probe = sd_probe,
|
|
|
|
|
.disconnect = gspca_disconnect,
|
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
|
.suspend = gspca_suspend,
|
|
|
|
|
.resume = gspca_resume,
|
2012-06-30 17:44:47 +08:00
|
|
|
.reset_resume = gspca_resume,
|
2009-11-02 19:13:21 +08:00
|
|
|
#endif
|
|
|
|
|
};
|
|
|
|
|
|
2011-11-19 01:46:12 +08:00
|
|
|
module_usb_driver(sd_driver);
|