![Mauro Carvalho Chehab](/assets/img/avatar_default.png)
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>
1051 lines
29 KiB
C
1051 lines
29 KiB
C
/* Linux driver for Philips webcam
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USB and Video4Linux interface part.
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(C) 1999-2004 Nemosoft Unv.
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(C) 2004-2006 Luc Saillard (luc@saillard.org)
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(C) 2011 Hans de Goede <hdegoede@redhat.com>
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NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
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driver and thus may have bugs that are not present in the original version.
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Please send bug reports and support requests to <luc@saillard.org>.
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The decompression routines have been implemented by reverse-engineering the
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Nemosoft binary pwcx module. Caveat emptor.
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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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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/poll.h>
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#include <linux/vmalloc.h>
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#include <linux/jiffies.h>
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#include <asm/io.h>
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#include "pwc.h"
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#define PWC_CID_CUSTOM(ctrl) ((V4L2_CID_USER_BASE | 0xf000) + custom_ ## ctrl)
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static int pwc_g_volatile_ctrl(struct v4l2_ctrl *ctrl);
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static int pwc_s_ctrl(struct v4l2_ctrl *ctrl);
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static const struct v4l2_ctrl_ops pwc_ctrl_ops = {
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.g_volatile_ctrl = pwc_g_volatile_ctrl,
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.s_ctrl = pwc_s_ctrl,
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};
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enum { awb_indoor, awb_outdoor, awb_fl, awb_manual, awb_auto };
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enum { custom_autocontour, custom_contour, custom_noise_reduction,
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custom_awb_speed, custom_awb_delay,
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custom_save_user, custom_restore_user, custom_restore_factory };
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static const char * const pwc_auto_whitebal_qmenu[] = {
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"Indoor (Incandescant Lighting) Mode",
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"Outdoor (Sunlight) Mode",
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"Indoor (Fluorescent Lighting) Mode",
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"Manual Mode",
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"Auto Mode",
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NULL
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};
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static const struct v4l2_ctrl_config pwc_auto_white_balance_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = V4L2_CID_AUTO_WHITE_BALANCE,
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.type = V4L2_CTRL_TYPE_MENU,
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.max = awb_auto,
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.qmenu = pwc_auto_whitebal_qmenu,
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};
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static const struct v4l2_ctrl_config pwc_autocontour_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(autocontour),
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Auto contour",
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.min = 0,
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.max = 1,
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.step = 1,
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};
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static const struct v4l2_ctrl_config pwc_contour_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(contour),
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Contour",
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.flags = V4L2_CTRL_FLAG_SLIDER,
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.min = 0,
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.max = 63,
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.step = 1,
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};
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static const struct v4l2_ctrl_config pwc_backlight_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = V4L2_CID_BACKLIGHT_COMPENSATION,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.min = 0,
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.max = 1,
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.step = 1,
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};
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static const struct v4l2_ctrl_config pwc_flicker_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = V4L2_CID_BAND_STOP_FILTER,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.min = 0,
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.max = 1,
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.step = 1,
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};
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static const struct v4l2_ctrl_config pwc_noise_reduction_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(noise_reduction),
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Dynamic Noise Reduction",
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.min = 0,
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.max = 3,
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.step = 1,
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};
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static const struct v4l2_ctrl_config pwc_save_user_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(save_user),
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.type = V4L2_CTRL_TYPE_BUTTON,
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.name = "Save User Settings",
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};
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static const struct v4l2_ctrl_config pwc_restore_user_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(restore_user),
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.type = V4L2_CTRL_TYPE_BUTTON,
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.name = "Restore User Settings",
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};
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static const struct v4l2_ctrl_config pwc_restore_factory_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(restore_factory),
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.type = V4L2_CTRL_TYPE_BUTTON,
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.name = "Restore Factory Settings",
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};
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static const struct v4l2_ctrl_config pwc_awb_speed_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(awb_speed),
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Auto White Balance Speed",
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.min = 1,
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.max = 32,
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.step = 1,
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};
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static const struct v4l2_ctrl_config pwc_awb_delay_cfg = {
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.ops = &pwc_ctrl_ops,
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.id = PWC_CID_CUSTOM(awb_delay),
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Auto White Balance Delay",
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.min = 0,
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.max = 63,
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.step = 1,
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};
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int pwc_init_controls(struct pwc_device *pdev)
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{
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struct v4l2_ctrl_handler *hdl;
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struct v4l2_ctrl_config cfg;
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int r, def;
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hdl = &pdev->ctrl_handler;
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r = v4l2_ctrl_handler_init(hdl, 20);
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if (r)
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return r;
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/* Brightness, contrast, saturation, gamma */
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, BRIGHTNESS_FORMATTER, &def);
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if (r || def > 127)
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def = 63;
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pdev->brightness = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_BRIGHTNESS, 0, 127, 1, def);
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, CONTRAST_FORMATTER, &def);
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if (r || def > 63)
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def = 31;
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pdev->contrast = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_CONTRAST, 0, 63, 1, def);
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if (pdev->type >= 675) {
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if (pdev->type < 730)
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pdev->saturation_fmt = SATURATION_MODE_FORMATTER2;
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else
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pdev->saturation_fmt = SATURATION_MODE_FORMATTER1;
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r = pwc_get_s8_ctrl(pdev, GET_CHROM_CTL, pdev->saturation_fmt,
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&def);
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if (r || def < -100 || def > 100)
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def = 0;
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pdev->saturation = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_SATURATION, -100, 100, 1, def);
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}
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, GAMMA_FORMATTER, &def);
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if (r || def > 31)
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def = 15;
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pdev->gamma = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_GAMMA, 0, 31, 1, def);
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/* auto white balance, red gain, blue gain */
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r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL, WB_MODE_FORMATTER, &def);
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if (r || def > awb_auto)
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def = awb_auto;
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cfg = pwc_auto_white_balance_cfg;
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cfg.name = v4l2_ctrl_get_name(cfg.id);
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cfg.def = def;
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pdev->auto_white_balance = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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/* check auto controls to avoid NULL deref in v4l2_ctrl_auto_cluster */
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if (!pdev->auto_white_balance)
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return hdl->error;
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r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL,
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PRESET_MANUAL_RED_GAIN_FORMATTER, &def);
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if (r)
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def = 127;
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pdev->red_balance = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_RED_BALANCE, 0, 255, 1, def);
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r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL,
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PRESET_MANUAL_BLUE_GAIN_FORMATTER, &def);
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if (r)
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def = 127;
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pdev->blue_balance = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_BLUE_BALANCE, 0, 255, 1, def);
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v4l2_ctrl_auto_cluster(3, &pdev->auto_white_balance, awb_manual, true);
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/* autogain, gain */
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, AGC_MODE_FORMATTER, &def);
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if (r || (def != 0 && def != 0xff))
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def = 0;
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/* Note a register value if 0 means auto gain is on */
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pdev->autogain = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_AUTOGAIN, 0, 1, 1, def == 0);
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if (!pdev->autogain)
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return hdl->error;
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, PRESET_AGC_FORMATTER, &def);
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if (r || def > 63)
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def = 31;
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pdev->gain = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_GAIN, 0, 63, 1, def);
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/* auto exposure, exposure */
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if (DEVICE_USE_CODEC2(pdev->type)) {
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, SHUTTER_MODE_FORMATTER,
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&def);
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if (r || (def != 0 && def != 0xff))
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def = 0;
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/*
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* def = 0 auto, def = ff manual
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* menu idx 0 = auto, idx 1 = manual
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*/
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pdev->exposure_auto = v4l2_ctrl_new_std_menu(hdl,
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&pwc_ctrl_ops,
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V4L2_CID_EXPOSURE_AUTO,
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1, 0, def != 0);
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if (!pdev->exposure_auto)
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return hdl->error;
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/* GET_LUM_CTL, PRESET_SHUTTER_FORMATTER is unreliable */
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r = pwc_get_u16_ctrl(pdev, GET_STATUS_CTL,
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READ_SHUTTER_FORMATTER, &def);
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if (r || def > 655)
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def = 655;
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pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_EXPOSURE, 0, 655, 1, def);
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/* CODEC2: separate auto gain & auto exposure */
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v4l2_ctrl_auto_cluster(2, &pdev->autogain, 0, true);
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v4l2_ctrl_auto_cluster(2, &pdev->exposure_auto,
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V4L2_EXPOSURE_MANUAL, true);
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} else if (DEVICE_USE_CODEC3(pdev->type)) {
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/* GET_LUM_CTL, PRESET_SHUTTER_FORMATTER is unreliable */
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r = pwc_get_u16_ctrl(pdev, GET_STATUS_CTL,
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READ_SHUTTER_FORMATTER, &def);
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if (r || def > 255)
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def = 255;
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pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_EXPOSURE, 0, 255, 1, def);
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/* CODEC3: both gain and exposure controlled by autogain */
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pdev->autogain_expo_cluster[0] = pdev->autogain;
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pdev->autogain_expo_cluster[1] = pdev->gain;
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pdev->autogain_expo_cluster[2] = pdev->exposure;
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v4l2_ctrl_auto_cluster(3, pdev->autogain_expo_cluster,
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0, true);
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}
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/* color / bw setting */
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r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL, COLOUR_MODE_FORMATTER,
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&def);
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if (r || (def != 0 && def != 0xff))
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def = 0xff;
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/* def = 0 bw, def = ff color, menu idx 0 = color, idx 1 = bw */
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pdev->colorfx = v4l2_ctrl_new_std_menu(hdl, &pwc_ctrl_ops,
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V4L2_CID_COLORFX, 1, 0, def == 0);
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/* autocontour, contour */
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &def);
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if (r || (def != 0 && def != 0xff))
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def = 0;
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cfg = pwc_autocontour_cfg;
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cfg.def = def == 0;
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pdev->autocontour = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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if (!pdev->autocontour)
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return hdl->error;
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &def);
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if (r || def > 63)
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def = 31;
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cfg = pwc_contour_cfg;
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cfg.def = def;
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pdev->contour = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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v4l2_ctrl_auto_cluster(2, &pdev->autocontour, 0, false);
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/* backlight */
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL,
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BACK_LIGHT_COMPENSATION_FORMATTER, &def);
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if (r || (def != 0 && def != 0xff))
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def = 0;
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cfg = pwc_backlight_cfg;
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cfg.name = v4l2_ctrl_get_name(cfg.id);
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cfg.def = def == 0;
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pdev->backlight = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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/* flikker rediction */
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL,
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FLICKERLESS_MODE_FORMATTER, &def);
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if (r || (def != 0 && def != 0xff))
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def = 0;
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cfg = pwc_flicker_cfg;
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cfg.name = v4l2_ctrl_get_name(cfg.id);
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cfg.def = def == 0;
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pdev->flicker = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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/* Dynamic noise reduction */
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r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL,
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DYNAMIC_NOISE_CONTROL_FORMATTER, &def);
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if (r || def > 3)
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def = 2;
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cfg = pwc_noise_reduction_cfg;
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cfg.def = def;
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pdev->noise_reduction = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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/* Save / Restore User / Factory Settings */
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pdev->save_user = v4l2_ctrl_new_custom(hdl, &pwc_save_user_cfg, NULL);
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pdev->restore_user = v4l2_ctrl_new_custom(hdl, &pwc_restore_user_cfg,
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NULL);
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if (pdev->restore_user)
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pdev->restore_user->flags |= V4L2_CTRL_FLAG_UPDATE;
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pdev->restore_factory = v4l2_ctrl_new_custom(hdl,
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&pwc_restore_factory_cfg,
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NULL);
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if (pdev->restore_factory)
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pdev->restore_factory->flags |= V4L2_CTRL_FLAG_UPDATE;
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/* Auto White Balance speed & delay */
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r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL,
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AWB_CONTROL_SPEED_FORMATTER, &def);
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if (r || def < 1 || def > 32)
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def = 1;
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cfg = pwc_awb_speed_cfg;
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cfg.def = def;
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pdev->awb_speed = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL,
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AWB_CONTROL_DELAY_FORMATTER, &def);
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if (r || def > 63)
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def = 0;
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cfg = pwc_awb_delay_cfg;
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cfg.def = def;
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pdev->awb_delay = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
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|
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if (!(pdev->features & FEATURE_MOTOR_PANTILT))
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return hdl->error;
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|
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/* Motor pan / tilt / reset */
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pdev->motor_pan = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_PAN_RELATIVE, -4480, 4480, 64, 0);
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if (!pdev->motor_pan)
|
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return hdl->error;
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pdev->motor_tilt = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_TILT_RELATIVE, -1920, 1920, 64, 0);
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pdev->motor_pan_reset = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_PAN_RESET, 0, 0, 0, 0);
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pdev->motor_tilt_reset = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
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V4L2_CID_TILT_RESET, 0, 0, 0, 0);
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v4l2_ctrl_cluster(4, &pdev->motor_pan);
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return hdl->error;
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}
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|
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static void pwc_vidioc_fill_fmt(struct v4l2_format *f,
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int width, int height, u32 pixfmt)
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|
{
|
|
memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format));
|
|
f->fmt.pix.width = width;
|
|
f->fmt.pix.height = height;
|
|
f->fmt.pix.field = V4L2_FIELD_NONE;
|
|
f->fmt.pix.pixelformat = pixfmt;
|
|
f->fmt.pix.bytesperline = f->fmt.pix.width;
|
|
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.width * 3 / 2;
|
|
f->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
|
|
PWC_DEBUG_IOCTL("pwc_vidioc_fill_fmt() width=%d, height=%d, bytesperline=%d, sizeimage=%d, pixelformat=%c%c%c%c\n",
|
|
f->fmt.pix.width,
|
|
f->fmt.pix.height,
|
|
f->fmt.pix.bytesperline,
|
|
f->fmt.pix.sizeimage,
|
|
(f->fmt.pix.pixelformat)&255,
|
|
(f->fmt.pix.pixelformat>>8)&255,
|
|
(f->fmt.pix.pixelformat>>16)&255,
|
|
(f->fmt.pix.pixelformat>>24)&255);
|
|
}
|
|
|
|
/* ioctl(VIDIOC_TRY_FMT) */
|
|
static int pwc_vidioc_try_fmt(struct pwc_device *pdev, struct v4l2_format *f)
|
|
{
|
|
int size;
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
PWC_DEBUG_IOCTL("Bad video type must be V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (f->fmt.pix.pixelformat) {
|
|
case V4L2_PIX_FMT_YUV420:
|
|
break;
|
|
case V4L2_PIX_FMT_PWC1:
|
|
if (DEVICE_USE_CODEC23(pdev->type)) {
|
|
PWC_DEBUG_IOCTL("codec1 is only supported for old pwc webcam\n");
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
|
|
}
|
|
break;
|
|
case V4L2_PIX_FMT_PWC2:
|
|
if (DEVICE_USE_CODEC1(pdev->type)) {
|
|
PWC_DEBUG_IOCTL("codec23 is only supported for new pwc webcam\n");
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
|
|
}
|
|
break;
|
|
default:
|
|
PWC_DEBUG_IOCTL("Unsupported pixel format\n");
|
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
|
|
}
|
|
|
|
size = pwc_get_size(pdev, f->fmt.pix.width, f->fmt.pix.height);
|
|
pwc_vidioc_fill_fmt(f,
|
|
pwc_image_sizes[size][0],
|
|
pwc_image_sizes[size][1],
|
|
f->fmt.pix.pixelformat);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ioctl(VIDIOC_SET_FMT) */
|
|
|
|
static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
int ret, pixelformat, compression = 0;
|
|
|
|
ret = pwc_vidioc_try_fmt(pdev, f);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (vb2_is_busy(&pdev->vb_queue))
|
|
return -EBUSY;
|
|
|
|
pixelformat = f->fmt.pix.pixelformat;
|
|
|
|
PWC_DEBUG_IOCTL("Trying to set format to: width=%d height=%d fps=%d format=%c%c%c%c\n",
|
|
f->fmt.pix.width, f->fmt.pix.height, pdev->vframes,
|
|
(pixelformat)&255,
|
|
(pixelformat>>8)&255,
|
|
(pixelformat>>16)&255,
|
|
(pixelformat>>24)&255);
|
|
|
|
ret = pwc_set_video_mode(pdev, f->fmt.pix.width, f->fmt.pix.height,
|
|
pixelformat, 30, &compression, 0);
|
|
|
|
PWC_DEBUG_IOCTL("pwc_set_video_mode(), return=%d\n", ret);
|
|
|
|
pwc_vidioc_fill_fmt(f, pdev->width, pdev->height, pdev->pixfmt);
|
|
return ret;
|
|
}
|
|
|
|
static int pwc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
|
|
strcpy(cap->driver, PWC_NAME);
|
|
strlcpy(cap->card, pdev->vdev.name, sizeof(cap->card));
|
|
usb_make_path(pdev->udev, cap->bus_info, sizeof(cap->bus_info));
|
|
cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
|
|
V4L2_CAP_READWRITE;
|
|
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
|
|
{
|
|
if (i->index) /* Only one INPUT is supported */
|
|
return -EINVAL;
|
|
|
|
strlcpy(i->name, "Camera", sizeof(i->name));
|
|
i->type = V4L2_INPUT_TYPE_CAMERA;
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_g_input(struct file *file, void *fh, unsigned int *i)
|
|
{
|
|
*i = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_s_input(struct file *file, void *fh, unsigned int i)
|
|
{
|
|
return i ? -EINVAL : 0;
|
|
}
|
|
|
|
static int pwc_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct pwc_device *pdev =
|
|
container_of(ctrl->handler, struct pwc_device, ctrl_handler);
|
|
int ret = 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_AUTO_WHITE_BALANCE:
|
|
if (pdev->color_bal_valid &&
|
|
(pdev->auto_white_balance->val != awb_auto ||
|
|
time_before(jiffies,
|
|
pdev->last_color_bal_update + HZ / 4))) {
|
|
pdev->red_balance->val = pdev->last_red_balance;
|
|
pdev->blue_balance->val = pdev->last_blue_balance;
|
|
break;
|
|
}
|
|
ret = pwc_get_u8_ctrl(pdev, GET_STATUS_CTL,
|
|
READ_RED_GAIN_FORMATTER,
|
|
&pdev->red_balance->val);
|
|
if (ret)
|
|
break;
|
|
ret = pwc_get_u8_ctrl(pdev, GET_STATUS_CTL,
|
|
READ_BLUE_GAIN_FORMATTER,
|
|
&pdev->blue_balance->val);
|
|
if (ret)
|
|
break;
|
|
pdev->last_red_balance = pdev->red_balance->val;
|
|
pdev->last_blue_balance = pdev->blue_balance->val;
|
|
pdev->last_color_bal_update = jiffies;
|
|
pdev->color_bal_valid = true;
|
|
break;
|
|
case V4L2_CID_AUTOGAIN:
|
|
if (pdev->gain_valid && time_before(jiffies,
|
|
pdev->last_gain_update + HZ / 4)) {
|
|
pdev->gain->val = pdev->last_gain;
|
|
break;
|
|
}
|
|
ret = pwc_get_u8_ctrl(pdev, GET_STATUS_CTL,
|
|
READ_AGC_FORMATTER, &pdev->gain->val);
|
|
if (ret)
|
|
break;
|
|
pdev->last_gain = pdev->gain->val;
|
|
pdev->last_gain_update = jiffies;
|
|
pdev->gain_valid = true;
|
|
if (!DEVICE_USE_CODEC3(pdev->type))
|
|
break;
|
|
/* Fall through for CODEC3 where autogain also controls expo */
|
|
case V4L2_CID_EXPOSURE_AUTO:
|
|
if (pdev->exposure_valid && time_before(jiffies,
|
|
pdev->last_exposure_update + HZ / 4)) {
|
|
pdev->exposure->val = pdev->last_exposure;
|
|
break;
|
|
}
|
|
ret = pwc_get_u16_ctrl(pdev, GET_STATUS_CTL,
|
|
READ_SHUTTER_FORMATTER,
|
|
&pdev->exposure->val);
|
|
if (ret)
|
|
break;
|
|
pdev->last_exposure = pdev->exposure->val;
|
|
pdev->last_exposure_update = jiffies;
|
|
pdev->exposure_valid = true;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
if (ret)
|
|
PWC_ERROR("g_ctrl %s error %d\n", ctrl->name, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int pwc_set_awb(struct pwc_device *pdev)
|
|
{
|
|
int ret;
|
|
|
|
if (pdev->auto_white_balance->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL,
|
|
WB_MODE_FORMATTER,
|
|
pdev->auto_white_balance->val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (pdev->auto_white_balance->val != awb_manual)
|
|
pdev->color_bal_valid = false; /* Force cache update */
|
|
|
|
/*
|
|
* If this is a preset, update our red / blue balance values
|
|
* so that events get generated for the new preset values
|
|
*/
|
|
if (pdev->auto_white_balance->val == awb_indoor ||
|
|
pdev->auto_white_balance->val == awb_outdoor ||
|
|
pdev->auto_white_balance->val == awb_fl)
|
|
pwc_g_volatile_ctrl(pdev->auto_white_balance);
|
|
}
|
|
if (pdev->auto_white_balance->val != awb_manual)
|
|
return 0;
|
|
|
|
if (pdev->red_balance->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL,
|
|
PRESET_MANUAL_RED_GAIN_FORMATTER,
|
|
pdev->red_balance->val);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
if (pdev->blue_balance->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL,
|
|
PRESET_MANUAL_BLUE_GAIN_FORMATTER,
|
|
pdev->blue_balance->val);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* For CODEC2 models which have separate autogain and auto exposure */
|
|
static int pwc_set_autogain(struct pwc_device *pdev)
|
|
{
|
|
int ret;
|
|
|
|
if (pdev->autogain->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
AGC_MODE_FORMATTER,
|
|
pdev->autogain->val ? 0 : 0xff);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (pdev->autogain->val)
|
|
pdev->gain_valid = false; /* Force cache update */
|
|
}
|
|
|
|
if (pdev->autogain->val)
|
|
return 0;
|
|
|
|
if (pdev->gain->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
PRESET_AGC_FORMATTER,
|
|
pdev->gain->val);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* For CODEC2 models which have separate autogain and auto exposure */
|
|
static int pwc_set_exposure_auto(struct pwc_device *pdev)
|
|
{
|
|
int ret;
|
|
int is_auto = pdev->exposure_auto->val == V4L2_EXPOSURE_AUTO;
|
|
|
|
if (pdev->exposure_auto->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
SHUTTER_MODE_FORMATTER,
|
|
is_auto ? 0 : 0xff);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (is_auto)
|
|
pdev->exposure_valid = false; /* Force cache update */
|
|
}
|
|
|
|
if (is_auto)
|
|
return 0;
|
|
|
|
if (pdev->exposure->is_new) {
|
|
ret = pwc_set_u16_ctrl(pdev, SET_LUM_CTL,
|
|
PRESET_SHUTTER_FORMATTER,
|
|
pdev->exposure->val);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* For CODEC3 models which have autogain controlling both gain and exposure */
|
|
static int pwc_set_autogain_expo(struct pwc_device *pdev)
|
|
{
|
|
int ret;
|
|
|
|
if (pdev->autogain->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
AGC_MODE_FORMATTER,
|
|
pdev->autogain->val ? 0 : 0xff);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (pdev->autogain->val) {
|
|
pdev->gain_valid = false; /* Force cache update */
|
|
pdev->exposure_valid = false; /* Force cache update */
|
|
}
|
|
}
|
|
|
|
if (pdev->autogain->val)
|
|
return 0;
|
|
|
|
if (pdev->gain->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
PRESET_AGC_FORMATTER,
|
|
pdev->gain->val);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
if (pdev->exposure->is_new) {
|
|
ret = pwc_set_u16_ctrl(pdev, SET_LUM_CTL,
|
|
PRESET_SHUTTER_FORMATTER,
|
|
pdev->exposure->val);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_set_motor(struct pwc_device *pdev)
|
|
{
|
|
int ret;
|
|
|
|
pdev->ctrl_buf[0] = 0;
|
|
if (pdev->motor_pan_reset->is_new)
|
|
pdev->ctrl_buf[0] |= 0x01;
|
|
if (pdev->motor_tilt_reset->is_new)
|
|
pdev->ctrl_buf[0] |= 0x02;
|
|
if (pdev->motor_pan_reset->is_new || pdev->motor_tilt_reset->is_new) {
|
|
ret = send_control_msg(pdev, SET_MPT_CTL,
|
|
PT_RESET_CONTROL_FORMATTER,
|
|
pdev->ctrl_buf, 1);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
memset(pdev->ctrl_buf, 0, 4);
|
|
if (pdev->motor_pan->is_new) {
|
|
pdev->ctrl_buf[0] = pdev->motor_pan->val & 0xFF;
|
|
pdev->ctrl_buf[1] = (pdev->motor_pan->val >> 8);
|
|
}
|
|
if (pdev->motor_tilt->is_new) {
|
|
pdev->ctrl_buf[2] = pdev->motor_tilt->val & 0xFF;
|
|
pdev->ctrl_buf[3] = (pdev->motor_tilt->val >> 8);
|
|
}
|
|
if (pdev->motor_pan->is_new || pdev->motor_tilt->is_new) {
|
|
ret = send_control_msg(pdev, SET_MPT_CTL,
|
|
PT_RELATIVE_CONTROL_FORMATTER,
|
|
pdev->ctrl_buf, 4);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct pwc_device *pdev =
|
|
container_of(ctrl->handler, struct pwc_device, ctrl_handler);
|
|
int ret = 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
BRIGHTNESS_FORMATTER, ctrl->val);
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
CONTRAST_FORMATTER, ctrl->val);
|
|
break;
|
|
case V4L2_CID_SATURATION:
|
|
ret = pwc_set_s8_ctrl(pdev, SET_CHROM_CTL,
|
|
pdev->saturation_fmt, ctrl->val);
|
|
break;
|
|
case V4L2_CID_GAMMA:
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
GAMMA_FORMATTER, ctrl->val);
|
|
break;
|
|
case V4L2_CID_AUTO_WHITE_BALANCE:
|
|
ret = pwc_set_awb(pdev);
|
|
break;
|
|
case V4L2_CID_AUTOGAIN:
|
|
if (DEVICE_USE_CODEC2(pdev->type))
|
|
ret = pwc_set_autogain(pdev);
|
|
else if (DEVICE_USE_CODEC3(pdev->type))
|
|
ret = pwc_set_autogain_expo(pdev);
|
|
else
|
|
ret = -EINVAL;
|
|
break;
|
|
case V4L2_CID_EXPOSURE_AUTO:
|
|
if (DEVICE_USE_CODEC2(pdev->type))
|
|
ret = pwc_set_exposure_auto(pdev);
|
|
else
|
|
ret = -EINVAL;
|
|
break;
|
|
case V4L2_CID_COLORFX:
|
|
ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL,
|
|
COLOUR_MODE_FORMATTER,
|
|
ctrl->val ? 0 : 0xff);
|
|
break;
|
|
case PWC_CID_CUSTOM(autocontour):
|
|
if (pdev->autocontour->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
AUTO_CONTOUR_FORMATTER,
|
|
pdev->autocontour->val ? 0 : 0xff);
|
|
}
|
|
if (ret == 0 && pdev->contour->is_new) {
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
PRESET_CONTOUR_FORMATTER,
|
|
pdev->contour->val);
|
|
}
|
|
break;
|
|
case V4L2_CID_BACKLIGHT_COMPENSATION:
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
BACK_LIGHT_COMPENSATION_FORMATTER,
|
|
ctrl->val ? 0 : 0xff);
|
|
break;
|
|
case V4L2_CID_BAND_STOP_FILTER:
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
FLICKERLESS_MODE_FORMATTER,
|
|
ctrl->val ? 0 : 0xff);
|
|
break;
|
|
case PWC_CID_CUSTOM(noise_reduction):
|
|
ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL,
|
|
DYNAMIC_NOISE_CONTROL_FORMATTER,
|
|
ctrl->val);
|
|
break;
|
|
case PWC_CID_CUSTOM(save_user):
|
|
ret = pwc_button_ctrl(pdev, SAVE_USER_DEFAULTS_FORMATTER);
|
|
break;
|
|
case PWC_CID_CUSTOM(restore_user):
|
|
ret = pwc_button_ctrl(pdev, RESTORE_USER_DEFAULTS_FORMATTER);
|
|
break;
|
|
case PWC_CID_CUSTOM(restore_factory):
|
|
ret = pwc_button_ctrl(pdev,
|
|
RESTORE_FACTORY_DEFAULTS_FORMATTER);
|
|
break;
|
|
case PWC_CID_CUSTOM(awb_speed):
|
|
ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL,
|
|
AWB_CONTROL_SPEED_FORMATTER,
|
|
ctrl->val);
|
|
break;
|
|
case PWC_CID_CUSTOM(awb_delay):
|
|
ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL,
|
|
AWB_CONTROL_DELAY_FORMATTER,
|
|
ctrl->val);
|
|
break;
|
|
case V4L2_CID_PAN_RELATIVE:
|
|
ret = pwc_set_motor(pdev);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
if (ret)
|
|
PWC_ERROR("s_ctrl %s error %d\n", ctrl->name, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int pwc_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
|
|
/* We only support two format: the raw format, and YUV */
|
|
switch (f->index) {
|
|
case 0:
|
|
/* RAW format */
|
|
f->pixelformat = pdev->type <= 646 ? V4L2_PIX_FMT_PWC1 : V4L2_PIX_FMT_PWC2;
|
|
f->flags = V4L2_FMT_FLAG_COMPRESSED;
|
|
strlcpy(f->description, "Raw Philips Webcam", sizeof(f->description));
|
|
break;
|
|
case 1:
|
|
f->pixelformat = V4L2_PIX_FMT_YUV420;
|
|
strlcpy(f->description, "4:2:0, planar, Y-Cb-Cr", sizeof(f->description));
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
PWC_DEBUG_IOCTL("ioctl(VIDIOC_G_FMT) return size %dx%d\n",
|
|
pdev->width, pdev->height);
|
|
pwc_vidioc_fill_fmt(f, pdev->width, pdev->height, pdev->pixfmt);
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
|
|
return pwc_vidioc_try_fmt(pdev, f);
|
|
}
|
|
|
|
static int pwc_enum_framesizes(struct file *file, void *fh,
|
|
struct v4l2_frmsizeenum *fsize)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
unsigned int i = 0, index = fsize->index;
|
|
|
|
if (fsize->pixel_format == V4L2_PIX_FMT_YUV420 ||
|
|
(fsize->pixel_format == V4L2_PIX_FMT_PWC1 &&
|
|
DEVICE_USE_CODEC1(pdev->type)) ||
|
|
(fsize->pixel_format == V4L2_PIX_FMT_PWC2 &&
|
|
DEVICE_USE_CODEC23(pdev->type))) {
|
|
for (i = 0; i < PSZ_MAX; i++) {
|
|
if (!(pdev->image_mask & (1UL << i)))
|
|
continue;
|
|
if (!index--) {
|
|
fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
|
|
fsize->discrete.width = pwc_image_sizes[i][0];
|
|
fsize->discrete.height = pwc_image_sizes[i][1];
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int pwc_enum_frameintervals(struct file *file, void *fh,
|
|
struct v4l2_frmivalenum *fival)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
int size = -1;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < PSZ_MAX; i++) {
|
|
if (pwc_image_sizes[i][0] == fival->width &&
|
|
pwc_image_sizes[i][1] == fival->height) {
|
|
size = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* TODO: Support raw format */
|
|
if (size < 0 || fival->pixel_format != V4L2_PIX_FMT_YUV420)
|
|
return -EINVAL;
|
|
|
|
i = pwc_get_fps(pdev, fival->index, size);
|
|
if (!i)
|
|
return -EINVAL;
|
|
|
|
fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
|
|
fival->discrete.numerator = 1;
|
|
fival->discrete.denominator = i;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_g_parm(struct file *file, void *fh,
|
|
struct v4l2_streamparm *parm)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
|
|
if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
memset(parm, 0, sizeof(*parm));
|
|
|
|
parm->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
parm->parm.capture.readbuffers = MIN_FRAMES;
|
|
parm->parm.capture.capability |= V4L2_CAP_TIMEPERFRAME;
|
|
parm->parm.capture.timeperframe.denominator = pdev->vframes;
|
|
parm->parm.capture.timeperframe.numerator = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int pwc_s_parm(struct file *file, void *fh,
|
|
struct v4l2_streamparm *parm)
|
|
{
|
|
struct pwc_device *pdev = video_drvdata(file);
|
|
int compression = 0;
|
|
int ret, fps;
|
|
|
|
if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
/* If timeperframe == 0, then reset the framerate to the nominal value.
|
|
We pick a high framerate here, and let pwc_set_video_mode() figure
|
|
out the best match. */
|
|
if (parm->parm.capture.timeperframe.numerator == 0 ||
|
|
parm->parm.capture.timeperframe.denominator == 0)
|
|
fps = 30;
|
|
else
|
|
fps = parm->parm.capture.timeperframe.denominator /
|
|
parm->parm.capture.timeperframe.numerator;
|
|
|
|
if (vb2_is_busy(&pdev->vb_queue))
|
|
return -EBUSY;
|
|
|
|
ret = pwc_set_video_mode(pdev, pdev->width, pdev->height, pdev->pixfmt,
|
|
fps, &compression, 0);
|
|
|
|
pwc_g_parm(file, fh, parm);
|
|
|
|
return ret;
|
|
}
|
|
|
|
const struct v4l2_ioctl_ops pwc_ioctl_ops = {
|
|
.vidioc_querycap = pwc_querycap,
|
|
.vidioc_enum_input = pwc_enum_input,
|
|
.vidioc_g_input = pwc_g_input,
|
|
.vidioc_s_input = pwc_s_input,
|
|
.vidioc_enum_fmt_vid_cap = pwc_enum_fmt_vid_cap,
|
|
.vidioc_g_fmt_vid_cap = pwc_g_fmt_vid_cap,
|
|
.vidioc_s_fmt_vid_cap = pwc_s_fmt_vid_cap,
|
|
.vidioc_try_fmt_vid_cap = pwc_try_fmt_vid_cap,
|
|
.vidioc_reqbufs = vb2_ioctl_reqbufs,
|
|
.vidioc_querybuf = vb2_ioctl_querybuf,
|
|
.vidioc_qbuf = vb2_ioctl_qbuf,
|
|
.vidioc_dqbuf = vb2_ioctl_dqbuf,
|
|
.vidioc_streamon = vb2_ioctl_streamon,
|
|
.vidioc_streamoff = vb2_ioctl_streamoff,
|
|
.vidioc_log_status = v4l2_ctrl_log_status,
|
|
.vidioc_enum_framesizes = pwc_enum_framesizes,
|
|
.vidioc_enum_frameintervals = pwc_enum_frameintervals,
|
|
.vidioc_g_parm = pwc_g_parm,
|
|
.vidioc_s_parm = pwc_s_parm,
|
|
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
|
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
|
|
};
|