![Hans Verkuil](/assets/img/avatar_default.png)
Fix v4l2-compliance error: s_parm never set V4L2_CAP_TIMEPERFRAME. Also various g/s_parm-related cleanups. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
1546 lines
37 KiB
C
1546 lines
37 KiB
C
/*
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* ov534-ov7xxx gspca driver
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*
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* Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
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* Copyright (C) 2008 Jim Paris <jim@jtan.com>
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* Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
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*
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* Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
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* USB protocol reverse engineered by Jim Paris <jim@jtan.com>
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* https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
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*
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* PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr
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* PS3 Eye camera - brightness, contrast, awb, agc, aec controls
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* added by Max Thrun <bear24rw@gmail.com>
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* PS3 Eye camera - FPS range extended by Joseph Howse
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* <josephhowse@nummist.com> http://nummist.com
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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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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#define MODULE_NAME "ov534"
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#include "gspca.h"
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#include <linux/fixp-arith.h>
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#include <media/v4l2-ctrls.h>
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#define OV534_REG_ADDRESS 0xf1 /* sensor address */
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#define OV534_REG_SUBADDR 0xf2
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#define OV534_REG_WRITE 0xf3
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#define OV534_REG_READ 0xf4
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#define OV534_REG_OPERATION 0xf5
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#define OV534_REG_STATUS 0xf6
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#define OV534_OP_WRITE_3 0x37
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#define OV534_OP_WRITE_2 0x33
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#define OV534_OP_READ_2 0xf9
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#define CTRL_TIMEOUT 500
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#define DEFAULT_FRAME_RATE 30
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MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
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MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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struct v4l2_ctrl_handler ctrl_handler;
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struct v4l2_ctrl *hue;
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struct v4l2_ctrl *saturation;
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struct v4l2_ctrl *brightness;
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struct v4l2_ctrl *contrast;
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struct { /* gain control cluster */
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struct v4l2_ctrl *autogain;
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struct v4l2_ctrl *gain;
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};
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struct v4l2_ctrl *autowhitebalance;
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struct { /* exposure control cluster */
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struct v4l2_ctrl *autoexposure;
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struct v4l2_ctrl *exposure;
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};
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struct v4l2_ctrl *sharpness;
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struct v4l2_ctrl *hflip;
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struct v4l2_ctrl *vflip;
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struct v4l2_ctrl *plfreq;
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__u32 last_pts;
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u16 last_fid;
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u8 frame_rate;
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u8 sensor;
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};
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enum sensors {
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SENSOR_OV767x,
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SENSOR_OV772x,
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NSENSORS
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};
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static int sd_start(struct gspca_dev *gspca_dev);
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static void sd_stopN(struct gspca_dev *gspca_dev);
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static const struct v4l2_pix_format ov772x_mode[] = {
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{320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
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.bytesperline = 320 * 2,
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.sizeimage = 320 * 240 * 2,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
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.bytesperline = 640 * 2,
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.sizeimage = 640 * 480 * 2,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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static const struct v4l2_pix_format ov767x_mode[] = {
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{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG},
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{640, 480, V4L2_PIX_FMT_JPEG, 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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};
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static const u8 qvga_rates[] = {187, 150, 137, 125, 100, 75, 60, 50, 37, 30};
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static const u8 vga_rates[] = {60, 50, 40, 30, 15};
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static const struct framerates ov772x_framerates[] = {
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{ /* 320x240 */
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.rates = qvga_rates,
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.nrates = ARRAY_SIZE(qvga_rates),
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},
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{ /* 640x480 */
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.rates = vga_rates,
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.nrates = ARRAY_SIZE(vga_rates),
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},
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};
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struct reg_array {
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const u8 (*val)[2];
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int len;
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};
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static const u8 bridge_init_767x[][2] = {
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/* comments from the ms-win file apollo7670.set */
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/* str1 */
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{0xf1, 0x42},
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{0x88, 0xf8},
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{0x89, 0xff},
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{0x76, 0x03},
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{0x92, 0x03},
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{0x95, 0x10},
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{0xe2, 0x00},
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{0xe7, 0x3e},
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{0x8d, 0x1c},
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{0x8e, 0x00},
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{0x8f, 0x00},
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{0x1f, 0x00},
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{0xc3, 0xf9},
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{0x89, 0xff},
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{0x88, 0xf8},
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{0x76, 0x03},
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{0x92, 0x01},
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{0x93, 0x18},
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{0x1c, 0x00},
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{0x1d, 0x48},
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{0x1d, 0x00},
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{0x1d, 0xff},
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{0x1d, 0x02},
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{0x1d, 0x58},
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{0x1d, 0x00},
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{0x1c, 0x0a},
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{0x1d, 0x0a},
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{0x1d, 0x0e},
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{0xc0, 0x50}, /* HSize 640 */
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{0xc1, 0x3c}, /* VSize 480 */
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{0x34, 0x05}, /* enable Audio Suspend mode */
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{0xc2, 0x0c}, /* Input YUV */
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{0xc3, 0xf9}, /* enable PRE */
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{0x34, 0x05}, /* enable Audio Suspend mode */
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{0xe7, 0x2e}, /* this solves failure of "SuspendResumeTest" */
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{0x31, 0xf9}, /* enable 1.8V Suspend */
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{0x35, 0x02}, /* turn on JPEG */
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{0xd9, 0x10},
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{0x25, 0x42}, /* GPIO[8]:Input */
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{0x94, 0x11}, /* If the default setting is loaded when
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* system boots up, this flag is closed here */
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};
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static const u8 sensor_init_767x[][2] = {
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{0x12, 0x80},
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{0x11, 0x03},
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{0x3a, 0x04},
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{0x12, 0x00},
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{0x17, 0x13},
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{0x18, 0x01},
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{0x32, 0xb6},
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{0x19, 0x02},
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{0x1a, 0x7a},
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{0x03, 0x0a},
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{0x0c, 0x00},
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{0x3e, 0x00},
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{0x70, 0x3a},
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{0x71, 0x35},
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{0x72, 0x11},
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{0x73, 0xf0},
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{0xa2, 0x02},
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{0x7a, 0x2a}, /* set Gamma=1.6 below */
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{0x7b, 0x12},
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{0x7c, 0x1d},
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{0x7d, 0x2d},
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{0x7e, 0x45},
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{0x7f, 0x50},
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{0x80, 0x59},
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{0x81, 0x62},
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{0x82, 0x6b},
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{0x83, 0x73},
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{0x84, 0x7b},
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{0x85, 0x8a},
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{0x86, 0x98},
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{0x87, 0xb2},
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{0x88, 0xca},
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{0x89, 0xe0},
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{0x13, 0xe0},
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{0x00, 0x00},
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{0x10, 0x00},
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{0x0d, 0x40},
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{0x14, 0x38}, /* gain max 16x */
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{0xa5, 0x05},
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{0xab, 0x07},
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{0x24, 0x95},
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{0x25, 0x33},
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{0x26, 0xe3},
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{0x9f, 0x78},
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{0xa0, 0x68},
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{0xa1, 0x03},
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{0xa6, 0xd8},
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{0xa7, 0xd8},
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{0xa8, 0xf0},
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{0xa9, 0x90},
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{0xaa, 0x94},
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{0x13, 0xe5},
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{0x0e, 0x61},
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{0x0f, 0x4b},
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{0x16, 0x02},
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{0x21, 0x02},
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{0x22, 0x91},
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{0x29, 0x07},
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{0x33, 0x0b},
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{0x35, 0x0b},
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{0x37, 0x1d},
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{0x38, 0x71},
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{0x39, 0x2a},
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{0x3c, 0x78},
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{0x4d, 0x40},
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{0x4e, 0x20},
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{0x69, 0x00},
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{0x6b, 0x4a},
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{0x74, 0x10},
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{0x8d, 0x4f},
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{0x8e, 0x00},
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{0x8f, 0x00},
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{0x90, 0x00},
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{0x91, 0x00},
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{0x96, 0x00},
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{0x9a, 0x80},
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{0xb0, 0x84},
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{0xb1, 0x0c},
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{0xb2, 0x0e},
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{0xb3, 0x82},
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{0xb8, 0x0a},
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{0x43, 0x0a},
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{0x44, 0xf0},
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{0x45, 0x34},
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{0x46, 0x58},
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{0x47, 0x28},
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{0x48, 0x3a},
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{0x59, 0x88},
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{0x5a, 0x88},
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{0x5b, 0x44},
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{0x5c, 0x67},
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{0x5d, 0x49},
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{0x5e, 0x0e},
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{0x6c, 0x0a},
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{0x6d, 0x55},
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{0x6e, 0x11},
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{0x6f, 0x9f},
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{0x6a, 0x40},
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{0x01, 0x40},
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{0x02, 0x40},
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{0x13, 0xe7},
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{0x4f, 0x80},
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{0x50, 0x80},
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{0x51, 0x00},
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{0x52, 0x22},
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{0x53, 0x5e},
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{0x54, 0x80},
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{0x58, 0x9e},
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{0x41, 0x08},
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{0x3f, 0x00},
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{0x75, 0x04},
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{0x76, 0xe1},
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{0x4c, 0x00},
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{0x77, 0x01},
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{0x3d, 0xc2},
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{0x4b, 0x09},
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{0xc9, 0x60},
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{0x41, 0x38}, /* jfm: auto sharpness + auto de-noise */
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{0x56, 0x40},
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{0x34, 0x11},
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{0x3b, 0xc2},
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{0xa4, 0x8a}, /* Night mode trigger point */
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{0x96, 0x00},
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{0x97, 0x30},
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{0x98, 0x20},
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{0x99, 0x20},
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{0x9a, 0x84},
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{0x9b, 0x29},
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{0x9c, 0x03},
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{0x9d, 0x4c},
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{0x9e, 0x3f},
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{0x78, 0x04},
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{0x79, 0x01},
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{0xc8, 0xf0},
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{0x79, 0x0f},
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{0xc8, 0x00},
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{0x79, 0x10},
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{0xc8, 0x7e},
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{0x79, 0x0a},
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{0xc8, 0x80},
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{0x79, 0x0b},
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{0xc8, 0x01},
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{0x79, 0x0c},
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{0xc8, 0x0f},
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{0x79, 0x0d},
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{0xc8, 0x20},
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{0x79, 0x09},
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{0xc8, 0x80},
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{0x79, 0x02},
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{0xc8, 0xc0},
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{0x79, 0x03},
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{0xc8, 0x20},
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{0x79, 0x26},
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};
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static const u8 bridge_start_vga_767x[][2] = {
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/* str59 JPG */
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{0x94, 0xaa},
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{0xf1, 0x42},
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{0xe5, 0x04},
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{0xc0, 0x50},
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{0xc1, 0x3c},
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{0xc2, 0x0c},
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{0x35, 0x02}, /* turn on JPEG */
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{0xd9, 0x10},
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{0xda, 0x00}, /* for higher clock rate(30fps) */
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{0x34, 0x05}, /* enable Audio Suspend mode */
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{0xc3, 0xf9}, /* enable PRE */
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{0x8c, 0x00}, /* CIF VSize LSB[2:0] */
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{0x8d, 0x1c}, /* output YUV */
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/* {0x34, 0x05}, * enable Audio Suspend mode (?) */
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{0x50, 0x00}, /* H/V divider=0 */
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{0x51, 0xa0}, /* input H=640/4 */
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{0x52, 0x3c}, /* input V=480/4 */
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{0x53, 0x00}, /* offset X=0 */
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{0x54, 0x00}, /* offset Y=0 */
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{0x55, 0x00}, /* H/V size[8]=0 */
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{0x57, 0x00}, /* H-size[9]=0 */
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{0x5c, 0x00}, /* output size[9:8]=0 */
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{0x5a, 0xa0}, /* output H=640/4 */
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{0x5b, 0x78}, /* output V=480/4 */
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{0x1c, 0x0a},
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{0x1d, 0x0a},
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{0x94, 0x11},
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};
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static const u8 sensor_start_vga_767x[][2] = {
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{0x11, 0x01},
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{0x1e, 0x04},
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{0x19, 0x02},
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{0x1a, 0x7a},
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};
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static const u8 bridge_start_qvga_767x[][2] = {
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/* str86 JPG */
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{0x94, 0xaa},
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{0xf1, 0x42},
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{0xe5, 0x04},
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{0xc0, 0x80},
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{0xc1, 0x60},
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{0xc2, 0x0c},
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{0x35, 0x02}, /* turn on JPEG */
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{0xd9, 0x10},
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{0xc0, 0x50}, /* CIF HSize 640 */
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{0xc1, 0x3c}, /* CIF VSize 480 */
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{0x8c, 0x00}, /* CIF VSize LSB[2:0] */
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{0x8d, 0x1c}, /* output YUV */
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{0x34, 0x05}, /* enable Audio Suspend mode */
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{0xc2, 0x4c}, /* output YUV and Enable DCW */
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{0xc3, 0xf9}, /* enable PRE */
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{0x1c, 0x00}, /* indirect addressing */
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{0x1d, 0x48}, /* output YUV422 */
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{0x50, 0x89}, /* H/V divider=/2; plus DCW AVG */
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{0x51, 0xa0}, /* DCW input H=640/4 */
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{0x52, 0x78}, /* DCW input V=480/4 */
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{0x53, 0x00}, /* offset X=0 */
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{0x54, 0x00}, /* offset Y=0 */
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{0x55, 0x00}, /* H/V size[8]=0 */
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{0x57, 0x00}, /* H-size[9]=0 */
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{0x5c, 0x00}, /* DCW output size[9:8]=0 */
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{0x5a, 0x50}, /* DCW output H=320/4 */
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{0x5b, 0x3c}, /* DCW output V=240/4 */
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{0x1c, 0x0a},
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{0x1d, 0x0a},
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{0x94, 0x11},
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};
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static const u8 sensor_start_qvga_767x[][2] = {
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{0x11, 0x01},
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{0x1e, 0x04},
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{0x19, 0x02},
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{0x1a, 0x7a},
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};
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static const u8 bridge_init_772x[][2] = {
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{ 0xc2, 0x0c },
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{ 0x88, 0xf8 },
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{ 0xc3, 0x69 },
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{ 0x89, 0xff },
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{ 0x76, 0x03 },
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{ 0x92, 0x01 },
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{ 0x93, 0x18 },
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{ 0x94, 0x10 },
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{ 0x95, 0x10 },
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{ 0xe2, 0x00 },
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{ 0xe7, 0x3e },
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{ 0x96, 0x00 },
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{ 0x97, 0x20 },
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{ 0x97, 0x20 },
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{ 0x97, 0x20 },
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{ 0x97, 0x0a },
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{ 0x97, 0x3f },
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{ 0x97, 0x4a },
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{ 0x97, 0x20 },
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{ 0x97, 0x15 },
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{ 0x97, 0x0b },
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{ 0x8e, 0x40 },
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{ 0x1f, 0x81 },
|
|
{ 0x34, 0x05 },
|
|
{ 0xe3, 0x04 },
|
|
{ 0x88, 0x00 },
|
|
{ 0x89, 0x00 },
|
|
{ 0x76, 0x00 },
|
|
{ 0xe7, 0x2e },
|
|
{ 0x31, 0xf9 },
|
|
{ 0x25, 0x42 },
|
|
{ 0x21, 0xf0 },
|
|
|
|
{ 0x1c, 0x00 },
|
|
{ 0x1d, 0x40 },
|
|
{ 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
|
|
{ 0x1d, 0x00 }, /* payload size */
|
|
|
|
{ 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
|
|
{ 0x1d, 0x58 }, /* frame size */
|
|
{ 0x1d, 0x00 }, /* frame size */
|
|
|
|
{ 0x1c, 0x0a },
|
|
{ 0x1d, 0x08 }, /* turn on UVC header */
|
|
{ 0x1d, 0x0e }, /* .. */
|
|
|
|
{ 0x8d, 0x1c },
|
|
{ 0x8e, 0x80 },
|
|
{ 0xe5, 0x04 },
|
|
|
|
{ 0xc0, 0x50 },
|
|
{ 0xc1, 0x3c },
|
|
{ 0xc2, 0x0c },
|
|
};
|
|
static const u8 sensor_init_772x[][2] = {
|
|
{ 0x12, 0x80 },
|
|
{ 0x11, 0x01 },
|
|
/*fixme: better have a delay?*/
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x11, 0x01 },
|
|
|
|
{ 0x3d, 0x03 },
|
|
{ 0x17, 0x26 },
|
|
{ 0x18, 0xa0 },
|
|
{ 0x19, 0x07 },
|
|
{ 0x1a, 0xf0 },
|
|
{ 0x32, 0x00 },
|
|
{ 0x29, 0xa0 },
|
|
{ 0x2c, 0xf0 },
|
|
{ 0x65, 0x20 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x42, 0x7f },
|
|
{ 0x63, 0xaa }, /* AWB - was e0 */
|
|
{ 0x64, 0xff },
|
|
{ 0x66, 0x00 },
|
|
{ 0x13, 0xf0 }, /* com8 */
|
|
{ 0x0d, 0x41 },
|
|
{ 0x0f, 0xc5 },
|
|
{ 0x14, 0x11 },
|
|
|
|
{ 0x22, 0x7f },
|
|
{ 0x23, 0x03 },
|
|
{ 0x24, 0x40 },
|
|
{ 0x25, 0x30 },
|
|
{ 0x26, 0xa1 },
|
|
{ 0x2a, 0x00 },
|
|
{ 0x2b, 0x00 },
|
|
{ 0x6b, 0xaa },
|
|
{ 0x13, 0xff }, /* AWB */
|
|
|
|
{ 0x90, 0x05 },
|
|
{ 0x91, 0x01 },
|
|
{ 0x92, 0x03 },
|
|
{ 0x93, 0x00 },
|
|
{ 0x94, 0x60 },
|
|
{ 0x95, 0x3c },
|
|
{ 0x96, 0x24 },
|
|
{ 0x97, 0x1e },
|
|
{ 0x98, 0x62 },
|
|
{ 0x99, 0x80 },
|
|
{ 0x9a, 0x1e },
|
|
{ 0x9b, 0x08 },
|
|
{ 0x9c, 0x20 },
|
|
{ 0x9e, 0x81 },
|
|
|
|
{ 0xa6, 0x07 },
|
|
{ 0x7e, 0x0c },
|
|
{ 0x7f, 0x16 },
|
|
{ 0x80, 0x2a },
|
|
{ 0x81, 0x4e },
|
|
{ 0x82, 0x61 },
|
|
{ 0x83, 0x6f },
|
|
{ 0x84, 0x7b },
|
|
{ 0x85, 0x86 },
|
|
{ 0x86, 0x8e },
|
|
{ 0x87, 0x97 },
|
|
{ 0x88, 0xa4 },
|
|
{ 0x89, 0xaf },
|
|
{ 0x8a, 0xc5 },
|
|
{ 0x8b, 0xd7 },
|
|
{ 0x8c, 0xe8 },
|
|
{ 0x8d, 0x20 },
|
|
|
|
{ 0x0c, 0x90 },
|
|
|
|
{ 0x2b, 0x00 },
|
|
{ 0x22, 0x7f },
|
|
{ 0x23, 0x03 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x0c, 0xd0 },
|
|
{ 0x64, 0xff },
|
|
{ 0x0d, 0x41 },
|
|
|
|
{ 0x14, 0x41 },
|
|
{ 0x0e, 0xcd },
|
|
{ 0xac, 0xbf },
|
|
{ 0x8e, 0x00 }, /* De-noise threshold */
|
|
{ 0x0c, 0xd0 }
|
|
};
|
|
static const u8 bridge_start_vga_772x[][2] = {
|
|
{0x1c, 0x00},
|
|
{0x1d, 0x40},
|
|
{0x1d, 0x02},
|
|
{0x1d, 0x00},
|
|
{0x1d, 0x02},
|
|
{0x1d, 0x58},
|
|
{0x1d, 0x00},
|
|
{0xc0, 0x50},
|
|
{0xc1, 0x3c},
|
|
};
|
|
static const u8 sensor_start_vga_772x[][2] = {
|
|
{0x12, 0x00},
|
|
{0x17, 0x26},
|
|
{0x18, 0xa0},
|
|
{0x19, 0x07},
|
|
{0x1a, 0xf0},
|
|
{0x29, 0xa0},
|
|
{0x2c, 0xf0},
|
|
{0x65, 0x20},
|
|
};
|
|
static const u8 bridge_start_qvga_772x[][2] = {
|
|
{0x1c, 0x00},
|
|
{0x1d, 0x40},
|
|
{0x1d, 0x02},
|
|
{0x1d, 0x00},
|
|
{0x1d, 0x01},
|
|
{0x1d, 0x4b},
|
|
{0x1d, 0x00},
|
|
{0xc0, 0x28},
|
|
{0xc1, 0x1e},
|
|
};
|
|
static const u8 sensor_start_qvga_772x[][2] = {
|
|
{0x12, 0x40},
|
|
{0x17, 0x3f},
|
|
{0x18, 0x50},
|
|
{0x19, 0x03},
|
|
{0x1a, 0x78},
|
|
{0x29, 0x50},
|
|
{0x2c, 0x78},
|
|
{0x65, 0x2f},
|
|
};
|
|
|
|
static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
|
|
{
|
|
struct usb_device *udev = gspca_dev->dev;
|
|
int ret;
|
|
|
|
if (gspca_dev->usb_err < 0)
|
|
return;
|
|
|
|
gspca_dbg(gspca_dev, D_USBO, "SET 01 0000 %04x %02x\n", reg, val);
|
|
gspca_dev->usb_buf[0] = val;
|
|
ret = usb_control_msg(udev,
|
|
usb_sndctrlpipe(udev, 0),
|
|
0x01,
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
|
|
if (ret < 0) {
|
|
pr_err("write failed %d\n", ret);
|
|
gspca_dev->usb_err = ret;
|
|
}
|
|
}
|
|
|
|
static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
|
|
{
|
|
struct usb_device *udev = gspca_dev->dev;
|
|
int ret;
|
|
|
|
if (gspca_dev->usb_err < 0)
|
|
return 0;
|
|
ret = usb_control_msg(udev,
|
|
usb_rcvctrlpipe(udev, 0),
|
|
0x01,
|
|
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
|
|
gspca_dbg(gspca_dev, D_USBI, "GET 01 0000 %04x %02x\n",
|
|
reg, gspca_dev->usb_buf[0]);
|
|
if (ret < 0) {
|
|
pr_err("read failed %d\n", ret);
|
|
gspca_dev->usb_err = ret;
|
|
}
|
|
return gspca_dev->usb_buf[0];
|
|
}
|
|
|
|
/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
|
|
* (direction and output)? */
|
|
static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
|
|
{
|
|
u8 data;
|
|
|
|
gspca_dbg(gspca_dev, D_CONF, "led status: %d\n", status);
|
|
|
|
data = ov534_reg_read(gspca_dev, 0x21);
|
|
data |= 0x80;
|
|
ov534_reg_write(gspca_dev, 0x21, data);
|
|
|
|
data = ov534_reg_read(gspca_dev, 0x23);
|
|
if (status)
|
|
data |= 0x80;
|
|
else
|
|
data &= ~0x80;
|
|
|
|
ov534_reg_write(gspca_dev, 0x23, data);
|
|
|
|
if (!status) {
|
|
data = ov534_reg_read(gspca_dev, 0x21);
|
|
data &= ~0x80;
|
|
ov534_reg_write(gspca_dev, 0x21, data);
|
|
}
|
|
}
|
|
|
|
static int sccb_check_status(struct gspca_dev *gspca_dev)
|
|
{
|
|
u8 data;
|
|
int i;
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
msleep(10);
|
|
data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
|
|
|
|
switch (data) {
|
|
case 0x00:
|
|
return 1;
|
|
case 0x04:
|
|
return 0;
|
|
case 0x03:
|
|
break;
|
|
default:
|
|
gspca_err(gspca_dev, "sccb status 0x%02x, attempt %d/5\n",
|
|
data, i + 1);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
|
|
{
|
|
gspca_dbg(gspca_dev, D_USBO, "sccb write: %02x %02x\n", reg, val);
|
|
ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
|
|
ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
|
|
ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
|
|
|
|
if (!sccb_check_status(gspca_dev)) {
|
|
pr_err("sccb_reg_write failed\n");
|
|
gspca_dev->usb_err = -EIO;
|
|
}
|
|
}
|
|
|
|
static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
|
|
{
|
|
ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
|
|
ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
|
|
if (!sccb_check_status(gspca_dev))
|
|
pr_err("sccb_reg_read failed 1\n");
|
|
|
|
ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
|
|
if (!sccb_check_status(gspca_dev))
|
|
pr_err("sccb_reg_read failed 2\n");
|
|
|
|
return ov534_reg_read(gspca_dev, OV534_REG_READ);
|
|
}
|
|
|
|
/* output a bridge sequence (reg - val) */
|
|
static void reg_w_array(struct gspca_dev *gspca_dev,
|
|
const u8 (*data)[2], int len)
|
|
{
|
|
while (--len >= 0) {
|
|
ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
|
|
data++;
|
|
}
|
|
}
|
|
|
|
/* output a sensor sequence (reg - val) */
|
|
static void sccb_w_array(struct gspca_dev *gspca_dev,
|
|
const u8 (*data)[2], int len)
|
|
{
|
|
while (--len >= 0) {
|
|
if ((*data)[0] != 0xff) {
|
|
sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
|
|
} else {
|
|
sccb_reg_read(gspca_dev, (*data)[1]);
|
|
sccb_reg_write(gspca_dev, 0xff, 0x00);
|
|
}
|
|
data++;
|
|
}
|
|
}
|
|
|
|
/* ov772x specific controls */
|
|
static void set_frame_rate(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int i;
|
|
struct rate_s {
|
|
u8 fps;
|
|
u8 r11;
|
|
u8 r0d;
|
|
u8 re5;
|
|
};
|
|
const struct rate_s *r;
|
|
static const struct rate_s rate_0[] = { /* 640x480 */
|
|
{60, 0x01, 0xc1, 0x04},
|
|
{50, 0x01, 0x41, 0x02},
|
|
{40, 0x02, 0xc1, 0x04},
|
|
{30, 0x04, 0x81, 0x02},
|
|
{15, 0x03, 0x41, 0x04},
|
|
};
|
|
static const struct rate_s rate_1[] = { /* 320x240 */
|
|
/* {205, 0x01, 0xc1, 0x02}, * 205 FPS: video is partly corrupt */
|
|
{187, 0x01, 0x81, 0x02}, /* 187 FPS or below: video is valid */
|
|
{150, 0x01, 0xc1, 0x04},
|
|
{137, 0x02, 0xc1, 0x02},
|
|
{125, 0x02, 0x81, 0x02},
|
|
{100, 0x02, 0xc1, 0x04},
|
|
{75, 0x03, 0xc1, 0x04},
|
|
{60, 0x04, 0xc1, 0x04},
|
|
{50, 0x02, 0x41, 0x04},
|
|
{37, 0x03, 0x41, 0x04},
|
|
{30, 0x04, 0x41, 0x04},
|
|
};
|
|
|
|
if (sd->sensor != SENSOR_OV772x)
|
|
return;
|
|
if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) {
|
|
r = rate_0;
|
|
i = ARRAY_SIZE(rate_0);
|
|
} else {
|
|
r = rate_1;
|
|
i = ARRAY_SIZE(rate_1);
|
|
}
|
|
while (--i > 0) {
|
|
if (sd->frame_rate >= r->fps)
|
|
break;
|
|
r++;
|
|
}
|
|
|
|
sccb_reg_write(gspca_dev, 0x11, r->r11);
|
|
sccb_reg_write(gspca_dev, 0x0d, r->r0d);
|
|
ov534_reg_write(gspca_dev, 0xe5, r->re5);
|
|
|
|
gspca_dbg(gspca_dev, D_PROBE, "frame_rate: %d\n", r->fps);
|
|
}
|
|
|
|
static void sethue(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
/* TBD */
|
|
} else {
|
|
s16 huesin;
|
|
s16 huecos;
|
|
|
|
/* According to the datasheet the registers expect HUESIN and
|
|
* HUECOS to be the result of the trigonometric functions,
|
|
* scaled by 0x80.
|
|
*
|
|
* The 0x7fff here represents the maximum absolute value
|
|
* returned byt fixp_sin and fixp_cos, so the scaling will
|
|
* consider the result like in the interval [-1.0, 1.0].
|
|
*/
|
|
huesin = fixp_sin16(val) * 0x80 / 0x7fff;
|
|
huecos = fixp_cos16(val) * 0x80 / 0x7fff;
|
|
|
|
if (huesin < 0) {
|
|
sccb_reg_write(gspca_dev, 0xab,
|
|
sccb_reg_read(gspca_dev, 0xab) | 0x2);
|
|
huesin = -huesin;
|
|
} else {
|
|
sccb_reg_write(gspca_dev, 0xab,
|
|
sccb_reg_read(gspca_dev, 0xab) & ~0x2);
|
|
|
|
}
|
|
sccb_reg_write(gspca_dev, 0xa9, (u8)huecos);
|
|
sccb_reg_write(gspca_dev, 0xaa, (u8)huesin);
|
|
}
|
|
}
|
|
|
|
static void setsaturation(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
int i;
|
|
static u8 color_tb[][6] = {
|
|
{0x42, 0x42, 0x00, 0x11, 0x30, 0x41},
|
|
{0x52, 0x52, 0x00, 0x16, 0x3c, 0x52},
|
|
{0x66, 0x66, 0x00, 0x1b, 0x4b, 0x66},
|
|
{0x80, 0x80, 0x00, 0x22, 0x5e, 0x80},
|
|
{0x9a, 0x9a, 0x00, 0x29, 0x71, 0x9a},
|
|
{0xb8, 0xb8, 0x00, 0x31, 0x87, 0xb8},
|
|
{0xdd, 0xdd, 0x00, 0x3b, 0xa2, 0xdd},
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++)
|
|
sccb_reg_write(gspca_dev, 0x4f + i, color_tb[val][i]);
|
|
} else {
|
|
sccb_reg_write(gspca_dev, 0xa7, val); /* U saturation */
|
|
sccb_reg_write(gspca_dev, 0xa8, val); /* V saturation */
|
|
}
|
|
}
|
|
|
|
static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
if (val < 0)
|
|
val = 0x80 - val;
|
|
sccb_reg_write(gspca_dev, 0x55, val); /* bright */
|
|
} else {
|
|
sccb_reg_write(gspca_dev, 0x9b, val);
|
|
}
|
|
}
|
|
|
|
static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->sensor == SENSOR_OV767x)
|
|
sccb_reg_write(gspca_dev, 0x56, val); /* contras */
|
|
else
|
|
sccb_reg_write(gspca_dev, 0x9c, val);
|
|
}
|
|
|
|
static void setgain(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
switch (val & 0x30) {
|
|
case 0x00:
|
|
val &= 0x0f;
|
|
break;
|
|
case 0x10:
|
|
val &= 0x0f;
|
|
val |= 0x30;
|
|
break;
|
|
case 0x20:
|
|
val &= 0x0f;
|
|
val |= 0x70;
|
|
break;
|
|
default:
|
|
/* case 0x30: */
|
|
val &= 0x0f;
|
|
val |= 0xf0;
|
|
break;
|
|
}
|
|
sccb_reg_write(gspca_dev, 0x00, val);
|
|
}
|
|
|
|
static s32 getgain(struct gspca_dev *gspca_dev)
|
|
{
|
|
return sccb_reg_read(gspca_dev, 0x00);
|
|
}
|
|
|
|
static void setexposure(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
|
|
/* set only aec[9:2] */
|
|
sccb_reg_write(gspca_dev, 0x10, val); /* aech */
|
|
} else {
|
|
|
|
/* 'val' is one byte and represents half of the exposure value
|
|
* we are going to set into registers, a two bytes value:
|
|
*
|
|
* MSB: ((u16) val << 1) >> 8 == val >> 7
|
|
* LSB: ((u16) val << 1) & 0xff == val << 1
|
|
*/
|
|
sccb_reg_write(gspca_dev, 0x08, val >> 7);
|
|
sccb_reg_write(gspca_dev, 0x10, val << 1);
|
|
}
|
|
}
|
|
|
|
static s32 getexposure(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
/* get only aec[9:2] */
|
|
return sccb_reg_read(gspca_dev, 0x10); /* aech */
|
|
} else {
|
|
u8 hi = sccb_reg_read(gspca_dev, 0x08);
|
|
u8 lo = sccb_reg_read(gspca_dev, 0x10);
|
|
return (hi << 8 | lo) >> 1;
|
|
}
|
|
}
|
|
|
|
static void setagc(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
if (val) {
|
|
sccb_reg_write(gspca_dev, 0x13,
|
|
sccb_reg_read(gspca_dev, 0x13) | 0x04);
|
|
sccb_reg_write(gspca_dev, 0x64,
|
|
sccb_reg_read(gspca_dev, 0x64) | 0x03);
|
|
} else {
|
|
sccb_reg_write(gspca_dev, 0x13,
|
|
sccb_reg_read(gspca_dev, 0x13) & ~0x04);
|
|
sccb_reg_write(gspca_dev, 0x64,
|
|
sccb_reg_read(gspca_dev, 0x64) & ~0x03);
|
|
}
|
|
}
|
|
|
|
static void setawb(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (val) {
|
|
sccb_reg_write(gspca_dev, 0x13,
|
|
sccb_reg_read(gspca_dev, 0x13) | 0x02);
|
|
if (sd->sensor == SENSOR_OV772x)
|
|
sccb_reg_write(gspca_dev, 0x63,
|
|
sccb_reg_read(gspca_dev, 0x63) | 0xc0);
|
|
} else {
|
|
sccb_reg_write(gspca_dev, 0x13,
|
|
sccb_reg_read(gspca_dev, 0x13) & ~0x02);
|
|
if (sd->sensor == SENSOR_OV772x)
|
|
sccb_reg_write(gspca_dev, 0x63,
|
|
sccb_reg_read(gspca_dev, 0x63) & ~0xc0);
|
|
}
|
|
}
|
|
|
|
static void setaec(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 data;
|
|
|
|
data = sd->sensor == SENSOR_OV767x ?
|
|
0x05 : /* agc + aec */
|
|
0x01; /* agc */
|
|
switch (val) {
|
|
case V4L2_EXPOSURE_AUTO:
|
|
sccb_reg_write(gspca_dev, 0x13,
|
|
sccb_reg_read(gspca_dev, 0x13) | data);
|
|
break;
|
|
case V4L2_EXPOSURE_MANUAL:
|
|
sccb_reg_write(gspca_dev, 0x13,
|
|
sccb_reg_read(gspca_dev, 0x13) & ~data);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */
|
|
sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */
|
|
}
|
|
|
|
static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 val;
|
|
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
val = sccb_reg_read(gspca_dev, 0x1e); /* mvfp */
|
|
val &= ~0x30;
|
|
if (hflip)
|
|
val |= 0x20;
|
|
if (vflip)
|
|
val |= 0x10;
|
|
sccb_reg_write(gspca_dev, 0x1e, val);
|
|
} else {
|
|
val = sccb_reg_read(gspca_dev, 0x0c);
|
|
val &= ~0xc0;
|
|
if (hflip == 0)
|
|
val |= 0x40;
|
|
if (vflip == 0)
|
|
val |= 0x80;
|
|
sccb_reg_write(gspca_dev, 0x0c, val);
|
|
}
|
|
}
|
|
|
|
static void setlightfreq(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
val = val ? 0x9e : 0x00;
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
sccb_reg_write(gspca_dev, 0x2a, 0x00);
|
|
if (val)
|
|
val = 0x9d; /* insert dummy to 25fps for 50Hz */
|
|
}
|
|
sccb_reg_write(gspca_dev, 0x2b, val);
|
|
}
|
|
|
|
|
|
/* this function is called at probe time */
|
|
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 = ov772x_mode;
|
|
cam->nmodes = ARRAY_SIZE(ov772x_mode);
|
|
|
|
sd->frame_rate = DEFAULT_FRAME_RATE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov534_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
|
|
struct gspca_dev *gspca_dev = &sd->gspca_dev;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_AUTOGAIN:
|
|
gspca_dev->usb_err = 0;
|
|
if (ctrl->val && sd->gain && gspca_dev->streaming)
|
|
sd->gain->val = getgain(gspca_dev);
|
|
return gspca_dev->usb_err;
|
|
|
|
case V4L2_CID_EXPOSURE_AUTO:
|
|
gspca_dev->usb_err = 0;
|
|
if (ctrl->val == V4L2_EXPOSURE_AUTO && sd->exposure &&
|
|
gspca_dev->streaming)
|
|
sd->exposure->val = getexposure(gspca_dev);
|
|
return gspca_dev->usb_err;
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int ov534_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
|
|
struct gspca_dev *gspca_dev = &sd->gspca_dev;
|
|
|
|
gspca_dev->usb_err = 0;
|
|
if (!gspca_dev->streaming)
|
|
return 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_HUE:
|
|
sethue(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_SATURATION:
|
|
setsaturation(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_BRIGHTNESS:
|
|
setbrightness(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
setcontrast(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_AUTOGAIN:
|
|
/* case V4L2_CID_GAIN: */
|
|
setagc(gspca_dev, ctrl->val);
|
|
if (!gspca_dev->usb_err && !ctrl->val && sd->gain)
|
|
setgain(gspca_dev, sd->gain->val);
|
|
break;
|
|
case V4L2_CID_AUTO_WHITE_BALANCE:
|
|
setawb(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_EXPOSURE_AUTO:
|
|
/* case V4L2_CID_EXPOSURE: */
|
|
setaec(gspca_dev, ctrl->val);
|
|
if (!gspca_dev->usb_err && ctrl->val == V4L2_EXPOSURE_MANUAL &&
|
|
sd->exposure)
|
|
setexposure(gspca_dev, sd->exposure->val);
|
|
break;
|
|
case V4L2_CID_SHARPNESS:
|
|
setsharpness(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_HFLIP:
|
|
sethvflip(gspca_dev, ctrl->val, sd->vflip->val);
|
|
break;
|
|
case V4L2_CID_VFLIP:
|
|
sethvflip(gspca_dev, sd->hflip->val, ctrl->val);
|
|
break;
|
|
case V4L2_CID_POWER_LINE_FREQUENCY:
|
|
setlightfreq(gspca_dev, ctrl->val);
|
|
break;
|
|
}
|
|
return gspca_dev->usb_err;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops ov534_ctrl_ops = {
|
|
.g_volatile_ctrl = ov534_g_volatile_ctrl,
|
|
.s_ctrl = ov534_s_ctrl,
|
|
};
|
|
|
|
static int sd_init_controls(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
|
|
/* parameters with different values between the supported sensors */
|
|
int saturation_min;
|
|
int saturation_max;
|
|
int saturation_def;
|
|
int brightness_min;
|
|
int brightness_max;
|
|
int brightness_def;
|
|
int contrast_max;
|
|
int contrast_def;
|
|
int exposure_min;
|
|
int exposure_max;
|
|
int exposure_def;
|
|
int hflip_def;
|
|
|
|
if (sd->sensor == SENSOR_OV767x) {
|
|
saturation_min = 0,
|
|
saturation_max = 6,
|
|
saturation_def = 3,
|
|
brightness_min = -127;
|
|
brightness_max = 127;
|
|
brightness_def = 0;
|
|
contrast_max = 0x80;
|
|
contrast_def = 0x40;
|
|
exposure_min = 0x08;
|
|
exposure_max = 0x60;
|
|
exposure_def = 0x13;
|
|
hflip_def = 1;
|
|
} else {
|
|
saturation_min = 0,
|
|
saturation_max = 255,
|
|
saturation_def = 64,
|
|
brightness_min = 0;
|
|
brightness_max = 255;
|
|
brightness_def = 0;
|
|
contrast_max = 255;
|
|
contrast_def = 32;
|
|
exposure_min = 0;
|
|
exposure_max = 255;
|
|
exposure_def = 120;
|
|
hflip_def = 0;
|
|
}
|
|
|
|
gspca_dev->vdev.ctrl_handler = hdl;
|
|
|
|
v4l2_ctrl_handler_init(hdl, 13);
|
|
|
|
if (sd->sensor == SENSOR_OV772x)
|
|
sd->hue = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_HUE, -90, 90, 1, 0);
|
|
|
|
sd->saturation = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_SATURATION, saturation_min, saturation_max, 1,
|
|
saturation_def);
|
|
sd->brightness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_BRIGHTNESS, brightness_min, brightness_max, 1,
|
|
brightness_def);
|
|
sd->contrast = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_CONTRAST, 0, contrast_max, 1, contrast_def);
|
|
|
|
if (sd->sensor == SENSOR_OV772x) {
|
|
sd->autogain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
|
|
sd->gain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_GAIN, 0, 63, 1, 20);
|
|
}
|
|
|
|
sd->autoexposure = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_EXPOSURE_AUTO,
|
|
V4L2_EXPOSURE_MANUAL, 0,
|
|
V4L2_EXPOSURE_AUTO);
|
|
sd->exposure = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_EXPOSURE, exposure_min, exposure_max, 1,
|
|
exposure_def);
|
|
|
|
sd->autowhitebalance = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
|
|
|
|
if (sd->sensor == SENSOR_OV772x)
|
|
sd->sharpness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_SHARPNESS, 0, 63, 1, 0);
|
|
|
|
sd->hflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_HFLIP, 0, 1, 1, hflip_def);
|
|
sd->vflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_VFLIP, 0, 1, 1, 0);
|
|
sd->plfreq = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops,
|
|
V4L2_CID_POWER_LINE_FREQUENCY,
|
|
V4L2_CID_POWER_LINE_FREQUENCY_50HZ, 0,
|
|
V4L2_CID_POWER_LINE_FREQUENCY_DISABLED);
|
|
|
|
if (hdl->error) {
|
|
pr_err("Could not initialize controls\n");
|
|
return hdl->error;
|
|
}
|
|
|
|
if (sd->sensor == SENSOR_OV772x)
|
|
v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, true);
|
|
|
|
v4l2_ctrl_auto_cluster(2, &sd->autoexposure, V4L2_EXPOSURE_MANUAL,
|
|
true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* this function is called at probe and resume time */
|
|
static int sd_init(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u16 sensor_id;
|
|
static const struct reg_array bridge_init[NSENSORS] = {
|
|
[SENSOR_OV767x] = {bridge_init_767x, ARRAY_SIZE(bridge_init_767x)},
|
|
[SENSOR_OV772x] = {bridge_init_772x, ARRAY_SIZE(bridge_init_772x)},
|
|
};
|
|
static const struct reg_array sensor_init[NSENSORS] = {
|
|
[SENSOR_OV767x] = {sensor_init_767x, ARRAY_SIZE(sensor_init_767x)},
|
|
[SENSOR_OV772x] = {sensor_init_772x, ARRAY_SIZE(sensor_init_772x)},
|
|
};
|
|
|
|
/* reset bridge */
|
|
ov534_reg_write(gspca_dev, 0xe7, 0x3a);
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x08);
|
|
msleep(100);
|
|
|
|
/* initialize the sensor address */
|
|
ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42);
|
|
|
|
/* reset sensor */
|
|
sccb_reg_write(gspca_dev, 0x12, 0x80);
|
|
msleep(10);
|
|
|
|
/* probe the sensor */
|
|
sccb_reg_read(gspca_dev, 0x0a);
|
|
sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
|
|
sccb_reg_read(gspca_dev, 0x0b);
|
|
sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
|
|
gspca_dbg(gspca_dev, D_PROBE, "Sensor ID: %04x\n", sensor_id);
|
|
|
|
if ((sensor_id & 0xfff0) == 0x7670) {
|
|
sd->sensor = SENSOR_OV767x;
|
|
gspca_dev->cam.cam_mode = ov767x_mode;
|
|
gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode);
|
|
} else {
|
|
sd->sensor = SENSOR_OV772x;
|
|
gspca_dev->cam.bulk = 1;
|
|
gspca_dev->cam.bulk_size = 16384;
|
|
gspca_dev->cam.bulk_nurbs = 2;
|
|
gspca_dev->cam.mode_framerates = ov772x_framerates;
|
|
}
|
|
|
|
/* initialize */
|
|
reg_w_array(gspca_dev, bridge_init[sd->sensor].val,
|
|
bridge_init[sd->sensor].len);
|
|
ov534_set_led(gspca_dev, 1);
|
|
sccb_w_array(gspca_dev, sensor_init[sd->sensor].val,
|
|
sensor_init[sd->sensor].len);
|
|
|
|
sd_stopN(gspca_dev);
|
|
/* set_frame_rate(gspca_dev); */
|
|
|
|
return gspca_dev->usb_err;
|
|
}
|
|
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int mode;
|
|
static const struct reg_array bridge_start[NSENSORS][2] = {
|
|
[SENSOR_OV767x] = {{bridge_start_qvga_767x,
|
|
ARRAY_SIZE(bridge_start_qvga_767x)},
|
|
{bridge_start_vga_767x,
|
|
ARRAY_SIZE(bridge_start_vga_767x)}},
|
|
[SENSOR_OV772x] = {{bridge_start_qvga_772x,
|
|
ARRAY_SIZE(bridge_start_qvga_772x)},
|
|
{bridge_start_vga_772x,
|
|
ARRAY_SIZE(bridge_start_vga_772x)}},
|
|
};
|
|
static const struct reg_array sensor_start[NSENSORS][2] = {
|
|
[SENSOR_OV767x] = {{sensor_start_qvga_767x,
|
|
ARRAY_SIZE(sensor_start_qvga_767x)},
|
|
{sensor_start_vga_767x,
|
|
ARRAY_SIZE(sensor_start_vga_767x)}},
|
|
[SENSOR_OV772x] = {{sensor_start_qvga_772x,
|
|
ARRAY_SIZE(sensor_start_qvga_772x)},
|
|
{sensor_start_vga_772x,
|
|
ARRAY_SIZE(sensor_start_vga_772x)}},
|
|
};
|
|
|
|
/* (from ms-win trace) */
|
|
if (sd->sensor == SENSOR_OV767x)
|
|
sccb_reg_write(gspca_dev, 0x1e, 0x04);
|
|
/* black sun enable ? */
|
|
|
|
mode = gspca_dev->curr_mode; /* 0: 320x240, 1: 640x480 */
|
|
reg_w_array(gspca_dev, bridge_start[sd->sensor][mode].val,
|
|
bridge_start[sd->sensor][mode].len);
|
|
sccb_w_array(gspca_dev, sensor_start[sd->sensor][mode].val,
|
|
sensor_start[sd->sensor][mode].len);
|
|
|
|
set_frame_rate(gspca_dev);
|
|
|
|
if (sd->hue)
|
|
sethue(gspca_dev, v4l2_ctrl_g_ctrl(sd->hue));
|
|
setsaturation(gspca_dev, v4l2_ctrl_g_ctrl(sd->saturation));
|
|
if (sd->autogain)
|
|
setagc(gspca_dev, v4l2_ctrl_g_ctrl(sd->autogain));
|
|
setawb(gspca_dev, v4l2_ctrl_g_ctrl(sd->autowhitebalance));
|
|
setaec(gspca_dev, v4l2_ctrl_g_ctrl(sd->autoexposure));
|
|
if (sd->gain)
|
|
setgain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
|
|
setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure));
|
|
setbrightness(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness));
|
|
setcontrast(gspca_dev, v4l2_ctrl_g_ctrl(sd->contrast));
|
|
if (sd->sharpness)
|
|
setsharpness(gspca_dev, v4l2_ctrl_g_ctrl(sd->sharpness));
|
|
sethvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip),
|
|
v4l2_ctrl_g_ctrl(sd->vflip));
|
|
setlightfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->plfreq));
|
|
|
|
ov534_set_led(gspca_dev, 1);
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x00);
|
|
return gspca_dev->usb_err;
|
|
}
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
{
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x09);
|
|
ov534_set_led(gspca_dev, 0);
|
|
}
|
|
|
|
/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
|
|
#define UVC_STREAM_EOH (1 << 7)
|
|
#define UVC_STREAM_ERR (1 << 6)
|
|
#define UVC_STREAM_STI (1 << 5)
|
|
#define UVC_STREAM_RES (1 << 4)
|
|
#define UVC_STREAM_SCR (1 << 3)
|
|
#define UVC_STREAM_PTS (1 << 2)
|
|
#define UVC_STREAM_EOF (1 << 1)
|
|
#define UVC_STREAM_FID (1 << 0)
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|
u8 *data, int len)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
__u32 this_pts;
|
|
u16 this_fid;
|
|
int remaining_len = len;
|
|
int payload_len;
|
|
|
|
payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
|
|
do {
|
|
len = min(remaining_len, payload_len);
|
|
|
|
/* Payloads are prefixed with a UVC-style header. We
|
|
consider a frame to start when the FID toggles, or the PTS
|
|
changes. A frame ends when EOF is set, and we've received
|
|
the correct number of bytes. */
|
|
|
|
/* Verify UVC header. Header length is always 12 */
|
|
if (data[0] != 12 || len < 12) {
|
|
gspca_dbg(gspca_dev, D_PACK, "bad header\n");
|
|
goto discard;
|
|
}
|
|
|
|
/* Check errors */
|
|
if (data[1] & UVC_STREAM_ERR) {
|
|
gspca_dbg(gspca_dev, D_PACK, "payload error\n");
|
|
goto discard;
|
|
}
|
|
|
|
/* Extract PTS and FID */
|
|
if (!(data[1] & UVC_STREAM_PTS)) {
|
|
gspca_dbg(gspca_dev, D_PACK, "PTS not present\n");
|
|
goto discard;
|
|
}
|
|
this_pts = (data[5] << 24) | (data[4] << 16)
|
|
| (data[3] << 8) | data[2];
|
|
this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
|
|
|
|
/* If PTS or FID has changed, start a new frame. */
|
|
if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
|
|
if (gspca_dev->last_packet_type == INTER_PACKET)
|
|
gspca_frame_add(gspca_dev, LAST_PACKET,
|
|
NULL, 0);
|
|
sd->last_pts = this_pts;
|
|
sd->last_fid = this_fid;
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
|
data + 12, len - 12);
|
|
/* If this packet is marked as EOF, end the frame */
|
|
} else if (data[1] & UVC_STREAM_EOF) {
|
|
sd->last_pts = 0;
|
|
if (gspca_dev->pixfmt.pixelformat == V4L2_PIX_FMT_YUYV
|
|
&& gspca_dev->image_len + len - 12 !=
|
|
gspca_dev->pixfmt.width *
|
|
gspca_dev->pixfmt.height * 2) {
|
|
gspca_dbg(gspca_dev, D_PACK, "wrong sized frame\n");
|
|
goto discard;
|
|
}
|
|
gspca_frame_add(gspca_dev, LAST_PACKET,
|
|
data + 12, len - 12);
|
|
} else {
|
|
|
|
/* Add the data from this payload */
|
|
gspca_frame_add(gspca_dev, INTER_PACKET,
|
|
data + 12, len - 12);
|
|
}
|
|
|
|
/* Done this payload */
|
|
goto scan_next;
|
|
|
|
discard:
|
|
/* Discard data until a new frame starts. */
|
|
gspca_dev->last_packet_type = DISCARD_PACKET;
|
|
|
|
scan_next:
|
|
remaining_len -= len;
|
|
data += len;
|
|
} while (remaining_len > 0);
|
|
}
|
|
|
|
/* get stream parameters (framerate) */
|
|
static void sd_get_streamparm(struct gspca_dev *gspca_dev,
|
|
struct v4l2_streamparm *parm)
|
|
{
|
|
struct v4l2_captureparm *cp = &parm->parm.capture;
|
|
struct v4l2_fract *tpf = &cp->timeperframe;
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
tpf->numerator = 1;
|
|
tpf->denominator = sd->frame_rate;
|
|
}
|
|
|
|
/* set stream parameters (framerate) */
|
|
static void sd_set_streamparm(struct gspca_dev *gspca_dev,
|
|
struct v4l2_streamparm *parm)
|
|
{
|
|
struct v4l2_captureparm *cp = &parm->parm.capture;
|
|
struct v4l2_fract *tpf = &cp->timeperframe;
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (tpf->numerator == 0 || tpf->denominator == 0)
|
|
sd->frame_rate = DEFAULT_FRAME_RATE;
|
|
else
|
|
sd->frame_rate = tpf->denominator / tpf->numerator;
|
|
|
|
if (gspca_dev->streaming)
|
|
set_frame_rate(gspca_dev);
|
|
|
|
/* Return the actual framerate */
|
|
tpf->numerator = 1;
|
|
tpf->denominator = sd->frame_rate;
|
|
}
|
|
|
|
/* sub-driver description */
|
|
static const struct sd_desc sd_desc = {
|
|
.name = MODULE_NAME,
|
|
.config = sd_config,
|
|
.init = sd_init,
|
|
.init_controls = sd_init_controls,
|
|
.start = sd_start,
|
|
.stopN = sd_stopN,
|
|
.pkt_scan = sd_pkt_scan,
|
|
.get_streamparm = sd_get_streamparm,
|
|
.set_streamparm = sd_set_streamparm,
|
|
};
|
|
|
|
/* -- module initialisation -- */
|
|
static const struct usb_device_id device_table[] = {
|
|
{USB_DEVICE(0x1415, 0x2000)},
|
|
{USB_DEVICE(0x06f8, 0x3002)},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, device_table);
|
|
|
|
/* -- device connect -- */
|
|
static int sd_probe(struct usb_interface *intf, 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 = {
|
|
.name = MODULE_NAME,
|
|
.id_table = device_table,
|
|
.probe = sd_probe,
|
|
.disconnect = gspca_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = gspca_suspend,
|
|
.resume = gspca_resume,
|
|
.reset_resume = gspca_resume,
|
|
#endif
|
|
};
|
|
|
|
module_usb_driver(sd_driver);
|