forked from Minki/linux
e6b148490f
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2197 lines
55 KiB
C
2197 lines
55 KiB
C
/**
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* OV519 driver
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*
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* Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr)
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*
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* This module is adapted from the ov51x-jpeg package, which itself
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* was adapted from the ov511 driver.
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*
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* Original copyright for the ov511 driver is:
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*
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* Copyright (c) 1999-2004 Mark W. McClelland
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* Support for OV519, OV8610 Copyright (c) 2003 Joerg Heckenbach
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*
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* ov51x-jpeg original copyright is:
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*
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* Copyright (c) 2004-2007 Romain Beauxis <toots@rastageeks.org>
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* Support for OV7670 sensors was contributed by Sam Skipsey <aoanla@yahoo.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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* 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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*/
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#define MODULE_NAME "ov519"
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#include "gspca.h"
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MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
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MODULE_DESCRIPTION("OV519 USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* global parameters */
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static int frame_rate;
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/* Number of times to retry a failed I2C transaction. Increase this if you
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* are getting "Failed to read sensor ID..." */
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static int i2c_detect_tries = 10;
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/* ov519 device 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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/* Determined by sensor type */
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__u8 sif;
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__u8 brightness;
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__u8 contrast;
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__u8 colors;
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__u8 hflip;
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__u8 vflip;
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__u8 stopped; /* Streaming is temporarily paused */
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__u8 frame_rate; /* current Framerate (OV519 only) */
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__u8 clockdiv; /* clockdiv override for OV519 only */
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char sensor; /* Type of image sensor chip (SEN_*) */
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#define SEN_UNKNOWN 0
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#define SEN_OV6620 1
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#define SEN_OV6630 2
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#define SEN_OV7610 3
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#define SEN_OV7620 4
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#define SEN_OV7640 5
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#define SEN_OV7670 6
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#define SEN_OV76BE 7
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#define SEN_OV8610 8
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};
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/* V4L2 controls supported by the driver */
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static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
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static struct ctrl sd_ctrls[] = {
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{
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{
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Brightness",
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.minimum = 0,
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.maximum = 255,
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.step = 1,
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#define BRIGHTNESS_DEF 127
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.default_value = BRIGHTNESS_DEF,
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},
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.set = sd_setbrightness,
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.get = sd_getbrightness,
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},
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{
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{
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.id = V4L2_CID_CONTRAST,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Contrast",
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.minimum = 0,
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.maximum = 255,
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.step = 1,
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#define CONTRAST_DEF 127
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.default_value = CONTRAST_DEF,
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},
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.set = sd_setcontrast,
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.get = sd_getcontrast,
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},
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{
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{
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.id = V4L2_CID_SATURATION,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Color",
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.minimum = 0,
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.maximum = 255,
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.step = 1,
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#define COLOR_DEF 127
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.default_value = COLOR_DEF,
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},
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.set = sd_setcolors,
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.get = sd_getcolors,
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},
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/* next controls work with ov7670 only */
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#define HFLIP_IDX 3
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{
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{
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.id = V4L2_CID_HFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Mirror",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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#define HFLIP_DEF 0
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.default_value = HFLIP_DEF,
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},
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.set = sd_sethflip,
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.get = sd_gethflip,
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},
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#define VFLIP_IDX 4
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{
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{
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.id = V4L2_CID_VFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Vflip",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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#define VFLIP_DEF 0
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.default_value = VFLIP_DEF,
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},
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.set = sd_setvflip,
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.get = sd_getvflip,
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},
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};
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static const struct v4l2_pix_format vga_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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.priv = 1},
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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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.priv = 0},
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};
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static const struct v4l2_pix_format sif_mode[] = {
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{176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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.bytesperline = 176,
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.sizeimage = 176 * 144 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 1},
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{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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.bytesperline = 352,
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.sizeimage = 352 * 288 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 0},
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};
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/* OV519 Camera interface register numbers */
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#define OV519_R10_H_SIZE 0x10
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#define OV519_R11_V_SIZE 0x11
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#define OV519_R12_X_OFFSETL 0x12
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#define OV519_R13_X_OFFSETH 0x13
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#define OV519_R14_Y_OFFSETL 0x14
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#define OV519_R15_Y_OFFSETH 0x15
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#define OV519_R16_DIVIDER 0x16
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#define OV519_R20_DFR 0x20
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#define OV519_R25_FORMAT 0x25
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/* OV519 System Controller register numbers */
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#define OV519_SYS_RESET1 0x51
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#define OV519_SYS_EN_CLK1 0x54
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#define OV519_GPIO_DATA_OUT0 0x71
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#define OV519_GPIO_IO_CTRL0 0x72
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#define OV511_ENDPOINT_ADDRESS 1 /* Isoc endpoint number */
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/* I2C registers */
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#define R51x_I2C_W_SID 0x41
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#define R51x_I2C_SADDR_3 0x42
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#define R51x_I2C_SADDR_2 0x43
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#define R51x_I2C_R_SID 0x44
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#define R51x_I2C_DATA 0x45
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#define R518_I2C_CTL 0x47 /* OV518(+) only */
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/* I2C ADDRESSES */
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#define OV7xx0_SID 0x42
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#define OV8xx0_SID 0xa0
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#define OV6xx0_SID 0xc0
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/* OV7610 registers */
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#define OV7610_REG_GAIN 0x00 /* gain setting (5:0) */
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#define OV7610_REG_SAT 0x03 /* saturation */
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#define OV8610_REG_HUE 0x04 /* 04 reserved */
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#define OV7610_REG_CNT 0x05 /* Y contrast */
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#define OV7610_REG_BRT 0x06 /* Y brightness */
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#define OV7610_REG_COM_C 0x14 /* misc common regs */
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#define OV7610_REG_ID_HIGH 0x1c /* manufacturer ID MSB */
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#define OV7610_REG_ID_LOW 0x1d /* manufacturer ID LSB */
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#define OV7610_REG_COM_I 0x29 /* misc settings */
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/* OV7670 registers */
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#define OV7670_REG_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */
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#define OV7670_REG_BLUE 0x01 /* blue gain */
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#define OV7670_REG_RED 0x02 /* red gain */
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#define OV7670_REG_VREF 0x03 /* Pieces of GAIN, VSTART, VSTOP */
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#define OV7670_REG_COM1 0x04 /* Control 1 */
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#define OV7670_REG_AECHH 0x07 /* AEC MS 5 bits */
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#define OV7670_REG_COM3 0x0c /* Control 3 */
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#define OV7670_REG_COM4 0x0d /* Control 4 */
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#define OV7670_REG_COM5 0x0e /* All "reserved" */
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#define OV7670_REG_COM6 0x0f /* Control 6 */
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#define OV7670_REG_AECH 0x10 /* More bits of AEC value */
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#define OV7670_REG_CLKRC 0x11 /* Clock control */
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#define OV7670_REG_COM7 0x12 /* Control 7 */
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#define OV7670_COM7_FMT_VGA 0x00
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#define OV7670_COM7_YUV 0x00 /* YUV */
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#define OV7670_COM7_FMT_QVGA 0x10 /* QVGA format */
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#define OV7670_COM7_FMT_MASK 0x38
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#define OV7670_COM7_RESET 0x80 /* Register reset */
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#define OV7670_REG_COM8 0x13 /* Control 8 */
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#define OV7670_COM8_AEC 0x01 /* Auto exposure enable */
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#define OV7670_COM8_AWB 0x02 /* White balance enable */
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#define OV7670_COM8_AGC 0x04 /* Auto gain enable */
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#define OV7670_COM8_BFILT 0x20 /* Band filter enable */
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#define OV7670_COM8_AECSTEP 0x40 /* Unlimited AEC step size */
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#define OV7670_COM8_FASTAEC 0x80 /* Enable fast AGC/AEC */
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#define OV7670_REG_COM9 0x14 /* Control 9 - gain ceiling */
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#define OV7670_REG_COM10 0x15 /* Control 10 */
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#define OV7670_REG_HSTART 0x17 /* Horiz start high bits */
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#define OV7670_REG_HSTOP 0x18 /* Horiz stop high bits */
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#define OV7670_REG_VSTART 0x19 /* Vert start high bits */
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#define OV7670_REG_VSTOP 0x1a /* Vert stop high bits */
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#define OV7670_REG_MVFP 0x1e /* Mirror / vflip */
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#define OV7670_MVFP_VFLIP 0x10 /* vertical flip */
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#define OV7670_MVFP_MIRROR 0x20 /* Mirror image */
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#define OV7670_REG_AEW 0x24 /* AGC upper limit */
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#define OV7670_REG_AEB 0x25 /* AGC lower limit */
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#define OV7670_REG_VPT 0x26 /* AGC/AEC fast mode op region */
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#define OV7670_REG_HREF 0x32 /* HREF pieces */
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#define OV7670_REG_TSLB 0x3a /* lots of stuff */
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#define OV7670_REG_COM11 0x3b /* Control 11 */
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#define OV7670_COM11_EXP 0x02
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#define OV7670_COM11_HZAUTO 0x10 /* Auto detect 50/60 Hz */
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#define OV7670_REG_COM12 0x3c /* Control 12 */
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#define OV7670_REG_COM13 0x3d /* Control 13 */
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#define OV7670_COM13_GAMMA 0x80 /* Gamma enable */
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#define OV7670_COM13_UVSAT 0x40 /* UV saturation auto adjustment */
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#define OV7670_REG_COM14 0x3e /* Control 14 */
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#define OV7670_REG_EDGE 0x3f /* Edge enhancement factor */
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#define OV7670_REG_COM15 0x40 /* Control 15 */
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#define OV7670_COM15_R00FF 0xc0 /* 00 to FF */
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#define OV7670_REG_COM16 0x41 /* Control 16 */
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#define OV7670_COM16_AWBGAIN 0x08 /* AWB gain enable */
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#define OV7670_REG_BRIGHT 0x55 /* Brightness */
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#define OV7670_REG_CONTRAS 0x56 /* Contrast control */
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#define OV7670_REG_GFIX 0x69 /* Fix gain control */
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#define OV7670_REG_RGB444 0x8c /* RGB 444 control */
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#define OV7670_REG_HAECC1 0x9f /* Hist AEC/AGC control 1 */
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#define OV7670_REG_HAECC2 0xa0 /* Hist AEC/AGC control 2 */
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#define OV7670_REG_BD50MAX 0xa5 /* 50hz banding step limit */
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#define OV7670_REG_HAECC3 0xa6 /* Hist AEC/AGC control 3 */
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#define OV7670_REG_HAECC4 0xa7 /* Hist AEC/AGC control 4 */
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#define OV7670_REG_HAECC5 0xa8 /* Hist AEC/AGC control 5 */
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#define OV7670_REG_HAECC6 0xa9 /* Hist AEC/AGC control 6 */
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#define OV7670_REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */
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#define OV7670_REG_BD60MAX 0xab /* 60hz banding step limit */
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struct ov_regvals {
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__u8 reg;
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__u8 val;
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};
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struct ov_i2c_regvals {
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__u8 reg;
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__u8 val;
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};
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static const struct ov_i2c_regvals norm_6x20[] = {
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{ 0x12, 0x80 }, /* reset */
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{ 0x11, 0x01 },
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{ 0x03, 0x60 },
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{ 0x05, 0x7f }, /* For when autoadjust is off */
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{ 0x07, 0xa8 },
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/* The ratio of 0x0c and 0x0d controls the white point */
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{ 0x0c, 0x24 },
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{ 0x0d, 0x24 },
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{ 0x0f, 0x15 }, /* COMS */
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{ 0x10, 0x75 }, /* AEC Exposure time */
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{ 0x12, 0x24 }, /* Enable AGC */
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{ 0x14, 0x04 },
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/* 0x16: 0x06 helps frame stability with moving objects */
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{ 0x16, 0x06 },
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/* { 0x20, 0x30 }, * Aperture correction enable */
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{ 0x26, 0xb2 }, /* BLC enable */
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/* 0x28: 0x05 Selects RGB format if RGB on */
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{ 0x28, 0x05 },
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{ 0x2a, 0x04 }, /* Disable framerate adjust */
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/* { 0x2b, 0xac }, * Framerate; Set 2a[7] first */
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{ 0x2d, 0x99 },
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{ 0x33, 0xa0 }, /* Color Processing Parameter */
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{ 0x34, 0xd2 }, /* Max A/D range */
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{ 0x38, 0x8b },
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{ 0x39, 0x40 },
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{ 0x3c, 0x39 }, /* Enable AEC mode changing */
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{ 0x3c, 0x3c }, /* Change AEC mode */
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{ 0x3c, 0x24 }, /* Disable AEC mode changing */
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{ 0x3d, 0x80 },
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/* These next two registers (0x4a, 0x4b) are undocumented.
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* They control the color balance */
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{ 0x4a, 0x80 },
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{ 0x4b, 0x80 },
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{ 0x4d, 0xd2 }, /* This reduces noise a bit */
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{ 0x4e, 0xc1 },
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{ 0x4f, 0x04 },
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/* Do 50-53 have any effect? */
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/* Toggle 0x12[2] off and on here? */
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};
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static const struct ov_i2c_regvals norm_6x30[] = {
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{ 0x12, 0x80 }, /* Reset */
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{ 0x00, 0x1f }, /* Gain */
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{ 0x01, 0x99 }, /* Blue gain */
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{ 0x02, 0x7c }, /* Red gain */
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{ 0x03, 0xc0 }, /* Saturation */
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{ 0x05, 0x0a }, /* Contrast */
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{ 0x06, 0x95 }, /* Brightness */
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{ 0x07, 0x2d }, /* Sharpness */
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{ 0x0c, 0x20 },
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{ 0x0d, 0x20 },
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{ 0x0e, 0x20 },
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{ 0x0f, 0x05 },
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{ 0x10, 0x9a },
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{ 0x11, 0x00 }, /* Pixel clock = fastest */
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{ 0x12, 0x24 }, /* Enable AGC and AWB */
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{ 0x13, 0x21 },
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{ 0x14, 0x80 },
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{ 0x15, 0x01 },
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{ 0x16, 0x03 },
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{ 0x17, 0x38 },
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{ 0x18, 0xea },
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{ 0x19, 0x04 },
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{ 0x1a, 0x93 },
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{ 0x1b, 0x00 },
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{ 0x1e, 0xc4 },
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{ 0x1f, 0x04 },
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{ 0x20, 0x20 },
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{ 0x21, 0x10 },
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{ 0x22, 0x88 },
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{ 0x23, 0xc0 }, /* Crystal circuit power level */
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{ 0x25, 0x9a }, /* Increase AEC black ratio */
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{ 0x26, 0xb2 }, /* BLC enable */
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{ 0x27, 0xa2 },
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{ 0x28, 0x00 },
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{ 0x29, 0x00 },
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{ 0x2a, 0x84 }, /* 60 Hz power */
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{ 0x2b, 0xa8 }, /* 60 Hz power */
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{ 0x2c, 0xa0 },
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{ 0x2d, 0x95 }, /* Enable auto-brightness */
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{ 0x2e, 0x88 },
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{ 0x33, 0x26 },
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{ 0x34, 0x03 },
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{ 0x36, 0x8f },
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{ 0x37, 0x80 },
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{ 0x38, 0x83 },
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{ 0x39, 0x80 },
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{ 0x3a, 0x0f },
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{ 0x3b, 0x3c },
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{ 0x3c, 0x1a },
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{ 0x3d, 0x80 },
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{ 0x3e, 0x80 },
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{ 0x3f, 0x0e },
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{ 0x40, 0x00 }, /* White bal */
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{ 0x41, 0x00 }, /* White bal */
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{ 0x42, 0x80 },
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{ 0x43, 0x3f }, /* White bal */
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{ 0x44, 0x80 },
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{ 0x45, 0x20 },
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{ 0x46, 0x20 },
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{ 0x47, 0x80 },
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{ 0x48, 0x7f },
|
|
{ 0x49, 0x00 },
|
|
{ 0x4a, 0x00 },
|
|
{ 0x4b, 0x80 },
|
|
{ 0x4c, 0xd0 },
|
|
{ 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */
|
|
{ 0x4e, 0x40 },
|
|
{ 0x4f, 0x07 }, /* UV avg., col. killer: max */
|
|
{ 0x50, 0xff },
|
|
{ 0x54, 0x23 }, /* Max AGC gain: 18dB */
|
|
{ 0x55, 0xff },
|
|
{ 0x56, 0x12 },
|
|
{ 0x57, 0x81 },
|
|
{ 0x58, 0x75 },
|
|
{ 0x59, 0x01 }, /* AGC dark current comp.: +1 */
|
|
{ 0x5a, 0x2c },
|
|
{ 0x5b, 0x0f }, /* AWB chrominance levels */
|
|
{ 0x5c, 0x10 },
|
|
{ 0x3d, 0x80 },
|
|
{ 0x27, 0xa6 },
|
|
{ 0x12, 0x20 }, /* Toggle AWB */
|
|
{ 0x12, 0x24 },
|
|
};
|
|
|
|
/* Lawrence Glaister <lg@jfm.bc.ca> reports:
|
|
*
|
|
* Register 0x0f in the 7610 has the following effects:
|
|
*
|
|
* 0x85 (AEC method 1): Best overall, good contrast range
|
|
* 0x45 (AEC method 2): Very overexposed
|
|
* 0xa5 (spec sheet default): Ok, but the black level is
|
|
* shifted resulting in loss of contrast
|
|
* 0x05 (old driver setting): very overexposed, too much
|
|
* contrast
|
|
*/
|
|
static const struct ov_i2c_regvals norm_7610[] = {
|
|
{ 0x10, 0xff },
|
|
{ 0x16, 0x06 },
|
|
{ 0x28, 0x24 },
|
|
{ 0x2b, 0xac },
|
|
{ 0x12, 0x00 },
|
|
{ 0x38, 0x81 },
|
|
{ 0x28, 0x24 }, /* 0c */
|
|
{ 0x0f, 0x85 }, /* lg's setting */
|
|
{ 0x15, 0x01 },
|
|
{ 0x20, 0x1c },
|
|
{ 0x23, 0x2a },
|
|
{ 0x24, 0x10 },
|
|
{ 0x25, 0x8a },
|
|
{ 0x26, 0xa2 },
|
|
{ 0x27, 0xc2 },
|
|
{ 0x2a, 0x04 },
|
|
{ 0x2c, 0xfe },
|
|
{ 0x2d, 0x93 },
|
|
{ 0x30, 0x71 },
|
|
{ 0x31, 0x60 },
|
|
{ 0x32, 0x26 },
|
|
{ 0x33, 0x20 },
|
|
{ 0x34, 0x48 },
|
|
{ 0x12, 0x24 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x0c, 0x24 },
|
|
{ 0x0d, 0x24 },
|
|
};
|
|
|
|
static const struct ov_i2c_regvals norm_7620[] = {
|
|
{ 0x00, 0x00 }, /* gain */
|
|
{ 0x01, 0x80 }, /* blue gain */
|
|
{ 0x02, 0x80 }, /* red gain */
|
|
{ 0x03, 0xc0 }, /* OV7670_REG_VREF */
|
|
{ 0x06, 0x60 },
|
|
{ 0x07, 0x00 },
|
|
{ 0x0c, 0x24 },
|
|
{ 0x0c, 0x24 },
|
|
{ 0x0d, 0x24 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x12, 0x24 },
|
|
{ 0x13, 0x01 },
|
|
{ 0x14, 0x84 },
|
|
{ 0x15, 0x01 },
|
|
{ 0x16, 0x03 },
|
|
{ 0x17, 0x2f },
|
|
{ 0x18, 0xcf },
|
|
{ 0x19, 0x06 },
|
|
{ 0x1a, 0xf5 },
|
|
{ 0x1b, 0x00 },
|
|
{ 0x20, 0x18 },
|
|
{ 0x21, 0x80 },
|
|
{ 0x22, 0x80 },
|
|
{ 0x23, 0x00 },
|
|
{ 0x26, 0xa2 },
|
|
{ 0x27, 0xea },
|
|
{ 0x28, 0x20 },
|
|
{ 0x29, 0x00 },
|
|
{ 0x2a, 0x10 },
|
|
{ 0x2b, 0x00 },
|
|
{ 0x2c, 0x88 },
|
|
{ 0x2d, 0x91 },
|
|
{ 0x2e, 0x80 },
|
|
{ 0x2f, 0x44 },
|
|
{ 0x60, 0x27 },
|
|
{ 0x61, 0x02 },
|
|
{ 0x62, 0x5f },
|
|
{ 0x63, 0xd5 },
|
|
{ 0x64, 0x57 },
|
|
{ 0x65, 0x83 },
|
|
{ 0x66, 0x55 },
|
|
{ 0x67, 0x92 },
|
|
{ 0x68, 0xcf },
|
|
{ 0x69, 0x76 },
|
|
{ 0x6a, 0x22 },
|
|
{ 0x6b, 0x00 },
|
|
{ 0x6c, 0x02 },
|
|
{ 0x6d, 0x44 },
|
|
{ 0x6e, 0x80 },
|
|
{ 0x6f, 0x1d },
|
|
{ 0x70, 0x8b },
|
|
{ 0x71, 0x00 },
|
|
{ 0x72, 0x14 },
|
|
{ 0x73, 0x54 },
|
|
{ 0x74, 0x00 },
|
|
{ 0x75, 0x8e },
|
|
{ 0x76, 0x00 },
|
|
{ 0x77, 0xff },
|
|
{ 0x78, 0x80 },
|
|
{ 0x79, 0x80 },
|
|
{ 0x7a, 0x80 },
|
|
{ 0x7b, 0xe2 },
|
|
{ 0x7c, 0x00 },
|
|
};
|
|
|
|
/* 7640 and 7648. The defaults should be OK for most registers. */
|
|
static const struct ov_i2c_regvals norm_7640[] = {
|
|
{ 0x12, 0x80 },
|
|
{ 0x12, 0x14 },
|
|
};
|
|
|
|
/* 7670. Defaults taken from OmniVision provided data,
|
|
* as provided by Jonathan Corbet of OLPC */
|
|
static const struct ov_i2c_regvals norm_7670[] = {
|
|
{ OV7670_REG_COM7, OV7670_COM7_RESET },
|
|
{ OV7670_REG_TSLB, 0x04 }, /* OV */
|
|
{ OV7670_REG_COM7, OV7670_COM7_FMT_VGA }, /* VGA */
|
|
{ OV7670_REG_CLKRC, 0x01 },
|
|
/*
|
|
* Set the hardware window. These values from OV don't entirely
|
|
* make sense - hstop is less than hstart. But they work...
|
|
*/
|
|
{ OV7670_REG_HSTART, 0x13 },
|
|
{ OV7670_REG_HSTOP, 0x01 },
|
|
{ OV7670_REG_HREF, 0xb6 },
|
|
{ OV7670_REG_VSTART, 0x02 },
|
|
{ OV7670_REG_VSTOP, 0x7a },
|
|
{ OV7670_REG_VREF, 0x0a },
|
|
|
|
{ OV7670_REG_COM3, 0x00 },
|
|
{ OV7670_REG_COM14, 0x00 },
|
|
/* Mystery scaling numbers */
|
|
{ 0x70, 0x3a },
|
|
{ 0x71, 0x35 },
|
|
{ 0x72, 0x11 },
|
|
{ 0x73, 0xf0 },
|
|
{ 0xa2, 0x02 },
|
|
/* { OV7670_REG_COM10, 0x0 }, */
|
|
|
|
/* Gamma curve values */
|
|
{ 0x7a, 0x20 },
|
|
{ 0x7b, 0x10 },
|
|
{ 0x7c, 0x1e },
|
|
{ 0x7d, 0x35 },
|
|
{ 0x7e, 0x5a },
|
|
{ 0x7f, 0x69 },
|
|
{ 0x80, 0x76 },
|
|
{ 0x81, 0x80 },
|
|
{ 0x82, 0x88 },
|
|
{ 0x83, 0x8f },
|
|
{ 0x84, 0x96 },
|
|
{ 0x85, 0xa3 },
|
|
{ 0x86, 0xaf },
|
|
{ 0x87, 0xc4 },
|
|
{ 0x88, 0xd7 },
|
|
{ 0x89, 0xe8 },
|
|
|
|
/* AGC and AEC parameters. Note we start by disabling those features,
|
|
then turn them only after tweaking the values. */
|
|
{ OV7670_REG_COM8, OV7670_COM8_FASTAEC
|
|
| OV7670_COM8_AECSTEP
|
|
| OV7670_COM8_BFILT },
|
|
{ OV7670_REG_GAIN, 0x00 },
|
|
{ OV7670_REG_AECH, 0x00 },
|
|
{ OV7670_REG_COM4, 0x40 }, /* magic reserved bit */
|
|
{ OV7670_REG_COM9, 0x18 }, /* 4x gain + magic rsvd bit */
|
|
{ OV7670_REG_BD50MAX, 0x05 },
|
|
{ OV7670_REG_BD60MAX, 0x07 },
|
|
{ OV7670_REG_AEW, 0x95 },
|
|
{ OV7670_REG_AEB, 0x33 },
|
|
{ OV7670_REG_VPT, 0xe3 },
|
|
{ OV7670_REG_HAECC1, 0x78 },
|
|
{ OV7670_REG_HAECC2, 0x68 },
|
|
{ 0xa1, 0x03 }, /* magic */
|
|
{ OV7670_REG_HAECC3, 0xd8 },
|
|
{ OV7670_REG_HAECC4, 0xd8 },
|
|
{ OV7670_REG_HAECC5, 0xf0 },
|
|
{ OV7670_REG_HAECC6, 0x90 },
|
|
{ OV7670_REG_HAECC7, 0x94 },
|
|
{ OV7670_REG_COM8, OV7670_COM8_FASTAEC
|
|
| OV7670_COM8_AECSTEP
|
|
| OV7670_COM8_BFILT
|
|
| OV7670_COM8_AGC
|
|
| OV7670_COM8_AEC },
|
|
|
|
/* Almost all of these are magic "reserved" values. */
|
|
{ OV7670_REG_COM5, 0x61 },
|
|
{ OV7670_REG_COM6, 0x4b },
|
|
{ 0x16, 0x02 },
|
|
{ OV7670_REG_MVFP, 0x07 },
|
|
{ 0x21, 0x02 },
|
|
{ 0x22, 0x91 },
|
|
{ 0x29, 0x07 },
|
|
{ 0x33, 0x0b },
|
|
{ 0x35, 0x0b },
|
|
{ 0x37, 0x1d },
|
|
{ 0x38, 0x71 },
|
|
{ 0x39, 0x2a },
|
|
{ OV7670_REG_COM12, 0x78 },
|
|
{ 0x4d, 0x40 },
|
|
{ 0x4e, 0x20 },
|
|
{ OV7670_REG_GFIX, 0x00 },
|
|
{ 0x6b, 0x4a },
|
|
{ 0x74, 0x10 },
|
|
{ 0x8d, 0x4f },
|
|
{ 0x8e, 0x00 },
|
|
{ 0x8f, 0x00 },
|
|
{ 0x90, 0x00 },
|
|
{ 0x91, 0x00 },
|
|
{ 0x96, 0x00 },
|
|
{ 0x9a, 0x00 },
|
|
{ 0xb0, 0x84 },
|
|
{ 0xb1, 0x0c },
|
|
{ 0xb2, 0x0e },
|
|
{ 0xb3, 0x82 },
|
|
{ 0xb8, 0x0a },
|
|
|
|
/* More reserved magic, some of which tweaks white balance */
|
|
{ 0x43, 0x0a },
|
|
{ 0x44, 0xf0 },
|
|
{ 0x45, 0x34 },
|
|
{ 0x46, 0x58 },
|
|
{ 0x47, 0x28 },
|
|
{ 0x48, 0x3a },
|
|
{ 0x59, 0x88 },
|
|
{ 0x5a, 0x88 },
|
|
{ 0x5b, 0x44 },
|
|
{ 0x5c, 0x67 },
|
|
{ 0x5d, 0x49 },
|
|
{ 0x5e, 0x0e },
|
|
{ 0x6c, 0x0a },
|
|
{ 0x6d, 0x55 },
|
|
{ 0x6e, 0x11 },
|
|
{ 0x6f, 0x9f },
|
|
/* "9e for advance AWB" */
|
|
{ 0x6a, 0x40 },
|
|
{ OV7670_REG_BLUE, 0x40 },
|
|
{ OV7670_REG_RED, 0x60 },
|
|
{ OV7670_REG_COM8, OV7670_COM8_FASTAEC
|
|
| OV7670_COM8_AECSTEP
|
|
| OV7670_COM8_BFILT
|
|
| OV7670_COM8_AGC
|
|
| OV7670_COM8_AEC
|
|
| OV7670_COM8_AWB },
|
|
|
|
/* Matrix coefficients */
|
|
{ 0x4f, 0x80 },
|
|
{ 0x50, 0x80 },
|
|
{ 0x51, 0x00 },
|
|
{ 0x52, 0x22 },
|
|
{ 0x53, 0x5e },
|
|
{ 0x54, 0x80 },
|
|
{ 0x58, 0x9e },
|
|
|
|
{ OV7670_REG_COM16, OV7670_COM16_AWBGAIN },
|
|
{ OV7670_REG_EDGE, 0x00 },
|
|
{ 0x75, 0x05 },
|
|
{ 0x76, 0xe1 },
|
|
{ 0x4c, 0x00 },
|
|
{ 0x77, 0x01 },
|
|
{ OV7670_REG_COM13, OV7670_COM13_GAMMA
|
|
| OV7670_COM13_UVSAT
|
|
| 2}, /* was 3 */
|
|
{ 0x4b, 0x09 },
|
|
{ 0xc9, 0x60 },
|
|
{ OV7670_REG_COM16, 0x38 },
|
|
{ 0x56, 0x40 },
|
|
|
|
{ 0x34, 0x11 },
|
|
{ OV7670_REG_COM11, OV7670_COM11_EXP|OV7670_COM11_HZAUTO },
|
|
{ 0xa4, 0x88 },
|
|
{ 0x96, 0x00 },
|
|
{ 0x97, 0x30 },
|
|
{ 0x98, 0x20 },
|
|
{ 0x99, 0x30 },
|
|
{ 0x9a, 0x84 },
|
|
{ 0x9b, 0x29 },
|
|
{ 0x9c, 0x03 },
|
|
{ 0x9d, 0x4c },
|
|
{ 0x9e, 0x3f },
|
|
{ 0x78, 0x04 },
|
|
|
|
/* Extra-weird stuff. Some sort of multiplexor register */
|
|
{ 0x79, 0x01 },
|
|
{ 0xc8, 0xf0 },
|
|
{ 0x79, 0x0f },
|
|
{ 0xc8, 0x00 },
|
|
{ 0x79, 0x10 },
|
|
{ 0xc8, 0x7e },
|
|
{ 0x79, 0x0a },
|
|
{ 0xc8, 0x80 },
|
|
{ 0x79, 0x0b },
|
|
{ 0xc8, 0x01 },
|
|
{ 0x79, 0x0c },
|
|
{ 0xc8, 0x0f },
|
|
{ 0x79, 0x0d },
|
|
{ 0xc8, 0x20 },
|
|
{ 0x79, 0x09 },
|
|
{ 0xc8, 0x80 },
|
|
{ 0x79, 0x02 },
|
|
{ 0xc8, 0xc0 },
|
|
{ 0x79, 0x03 },
|
|
{ 0xc8, 0x40 },
|
|
{ 0x79, 0x05 },
|
|
{ 0xc8, 0x30 },
|
|
{ 0x79, 0x26 },
|
|
};
|
|
|
|
static const struct ov_i2c_regvals norm_8610[] = {
|
|
{ 0x12, 0x80 },
|
|
{ 0x00, 0x00 },
|
|
{ 0x01, 0x80 },
|
|
{ 0x02, 0x80 },
|
|
{ 0x03, 0xc0 },
|
|
{ 0x04, 0x30 },
|
|
{ 0x05, 0x30 }, /* was 0x10, new from windrv 090403 */
|
|
{ 0x06, 0x70 }, /* was 0x80, new from windrv 090403 */
|
|
{ 0x0a, 0x86 },
|
|
{ 0x0b, 0xb0 },
|
|
{ 0x0c, 0x20 },
|
|
{ 0x0d, 0x20 },
|
|
{ 0x11, 0x01 },
|
|
{ 0x12, 0x25 },
|
|
{ 0x13, 0x01 },
|
|
{ 0x14, 0x04 },
|
|
{ 0x15, 0x01 }, /* Lin and Win think different about UV order */
|
|
{ 0x16, 0x03 },
|
|
{ 0x17, 0x38 }, /* was 0x2f, new from windrv 090403 */
|
|
{ 0x18, 0xea }, /* was 0xcf, new from windrv 090403 */
|
|
{ 0x19, 0x02 }, /* was 0x06, new from windrv 090403 */
|
|
{ 0x1a, 0xf5 },
|
|
{ 0x1b, 0x00 },
|
|
{ 0x20, 0xd0 }, /* was 0x90, new from windrv 090403 */
|
|
{ 0x23, 0xc0 }, /* was 0x00, new from windrv 090403 */
|
|
{ 0x24, 0x30 }, /* was 0x1d, new from windrv 090403 */
|
|
{ 0x25, 0x50 }, /* was 0x57, new from windrv 090403 */
|
|
{ 0x26, 0xa2 },
|
|
{ 0x27, 0xea },
|
|
{ 0x28, 0x00 },
|
|
{ 0x29, 0x00 },
|
|
{ 0x2a, 0x80 },
|
|
{ 0x2b, 0xc8 }, /* was 0xcc, new from windrv 090403 */
|
|
{ 0x2c, 0xac },
|
|
{ 0x2d, 0x45 }, /* was 0xd5, new from windrv 090403 */
|
|
{ 0x2e, 0x80 },
|
|
{ 0x2f, 0x14 }, /* was 0x01, new from windrv 090403 */
|
|
{ 0x4c, 0x00 },
|
|
{ 0x4d, 0x30 }, /* was 0x10, new from windrv 090403 */
|
|
{ 0x60, 0x02 }, /* was 0x01, new from windrv 090403 */
|
|
{ 0x61, 0x00 }, /* was 0x09, new from windrv 090403 */
|
|
{ 0x62, 0x5f }, /* was 0xd7, new from windrv 090403 */
|
|
{ 0x63, 0xff },
|
|
{ 0x64, 0x53 }, /* new windrv 090403 says 0x57,
|
|
* maybe thats wrong */
|
|
{ 0x65, 0x00 },
|
|
{ 0x66, 0x55 },
|
|
{ 0x67, 0xb0 },
|
|
{ 0x68, 0xc0 }, /* was 0xaf, new from windrv 090403 */
|
|
{ 0x69, 0x02 },
|
|
{ 0x6a, 0x22 },
|
|
{ 0x6b, 0x00 },
|
|
{ 0x6c, 0x99 }, /* was 0x80, old windrv says 0x00, but
|
|
* deleting bit7 colors the first images red */
|
|
{ 0x6d, 0x11 }, /* was 0x00, new from windrv 090403 */
|
|
{ 0x6e, 0x11 }, /* was 0x00, new from windrv 090403 */
|
|
{ 0x6f, 0x01 },
|
|
{ 0x70, 0x8b },
|
|
{ 0x71, 0x00 },
|
|
{ 0x72, 0x14 },
|
|
{ 0x73, 0x54 },
|
|
{ 0x74, 0x00 },/* 0x60? - was 0x00, new from windrv 090403 */
|
|
{ 0x75, 0x0e },
|
|
{ 0x76, 0x02 }, /* was 0x02, new from windrv 090403 */
|
|
{ 0x77, 0xff },
|
|
{ 0x78, 0x80 },
|
|
{ 0x79, 0x80 },
|
|
{ 0x7a, 0x80 },
|
|
{ 0x7b, 0x10 }, /* was 0x13, new from windrv 090403 */
|
|
{ 0x7c, 0x00 },
|
|
{ 0x7d, 0x08 }, /* was 0x09, new from windrv 090403 */
|
|
{ 0x7e, 0x08 }, /* was 0xc0, new from windrv 090403 */
|
|
{ 0x7f, 0xfb },
|
|
{ 0x80, 0x28 },
|
|
{ 0x81, 0x00 },
|
|
{ 0x82, 0x23 },
|
|
{ 0x83, 0x0b },
|
|
{ 0x84, 0x00 },
|
|
{ 0x85, 0x62 }, /* was 0x61, new from windrv 090403 */
|
|
{ 0x86, 0xc9 },
|
|
{ 0x87, 0x00 },
|
|
{ 0x88, 0x00 },
|
|
{ 0x89, 0x01 },
|
|
{ 0x12, 0x20 },
|
|
{ 0x12, 0x25 }, /* was 0x24, new from windrv 090403 */
|
|
};
|
|
|
|
static unsigned char ov7670_abs_to_sm(unsigned char v)
|
|
{
|
|
if (v > 127)
|
|
return v & 0x7f;
|
|
return (128 - v) | 0x80;
|
|
}
|
|
|
|
/* Write a OV519 register */
|
|
static int reg_w(struct sd *sd, __u16 index, __u8 value)
|
|
{
|
|
int ret;
|
|
|
|
sd->gspca_dev.usb_buf[0] = value;
|
|
ret = usb_control_msg(sd->gspca_dev.dev,
|
|
usb_sndctrlpipe(sd->gspca_dev.dev, 0),
|
|
1, /* REQ_IO (ov518/519) */
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
0, index,
|
|
sd->gspca_dev.usb_buf, 1, 500);
|
|
if (ret < 0)
|
|
PDEBUG(D_ERR, "Write reg [%02x] %02x failed", index, value);
|
|
return ret;
|
|
}
|
|
|
|
/* Read from a OV519 register */
|
|
/* returns: negative is error, pos or zero is data */
|
|
static int reg_r(struct sd *sd, __u16 index)
|
|
{
|
|
int ret;
|
|
|
|
ret = usb_control_msg(sd->gspca_dev.dev,
|
|
usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
|
|
1, /* REQ_IO */
|
|
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
0, index, sd->gspca_dev.usb_buf, 1, 500);
|
|
|
|
if (ret >= 0)
|
|
ret = sd->gspca_dev.usb_buf[0];
|
|
else
|
|
PDEBUG(D_ERR, "Read reg [0x%02x] failed", index);
|
|
return ret;
|
|
}
|
|
|
|
/* Read 8 values from a OV519 register */
|
|
static int reg_r8(struct sd *sd,
|
|
__u16 index)
|
|
{
|
|
int ret;
|
|
|
|
ret = usb_control_msg(sd->gspca_dev.dev,
|
|
usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
|
|
1, /* REQ_IO */
|
|
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
0, index, sd->gspca_dev.usb_buf, 8, 500);
|
|
|
|
if (ret >= 0)
|
|
ret = sd->gspca_dev.usb_buf[0];
|
|
else
|
|
PDEBUG(D_ERR, "Read reg 8 [0x%02x] failed", index);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Writes bits at positions specified by mask to an OV51x reg. Bits that are in
|
|
* the same position as 1's in "mask" are cleared and set to "value". Bits
|
|
* that are in the same position as 0's in "mask" are preserved, regardless
|
|
* of their respective state in "value".
|
|
*/
|
|
static int reg_w_mask(struct sd *sd,
|
|
__u16 index,
|
|
__u8 value,
|
|
__u8 mask)
|
|
{
|
|
int ret;
|
|
__u8 oldval;
|
|
|
|
if (mask != 0xff) {
|
|
value &= mask; /* Enforce mask on value */
|
|
ret = reg_r(sd, index);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
oldval = ret & ~mask; /* Clear the masked bits */
|
|
value |= oldval; /* Set the desired bits */
|
|
}
|
|
return reg_w(sd, index, value);
|
|
}
|
|
|
|
/*
|
|
* The OV518 I2C I/O procedure is different, hence, this function.
|
|
* This is normally only called from i2c_w(). Note that this function
|
|
* always succeeds regardless of whether the sensor is present and working.
|
|
*/
|
|
static int i2c_w(struct sd *sd,
|
|
__u8 reg,
|
|
__u8 value)
|
|
{
|
|
int rc;
|
|
|
|
PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
|
|
|
|
/* Select camera register */
|
|
rc = reg_w(sd, R51x_I2C_SADDR_3, reg);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Write "value" to I2C data port of OV511 */
|
|
rc = reg_w(sd, R51x_I2C_DATA, value);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Initiate 3-byte write cycle */
|
|
rc = reg_w(sd, R518_I2C_CTL, 0x01);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* wait for write complete */
|
|
msleep(4);
|
|
return reg_r8(sd, R518_I2C_CTL);
|
|
}
|
|
|
|
/*
|
|
* returns: negative is error, pos or zero is data
|
|
*
|
|
* The OV518 I2C I/O procedure is different, hence, this function.
|
|
* This is normally only called from i2c_r(). Note that this function
|
|
* always succeeds regardless of whether the sensor is present and working.
|
|
*/
|
|
static int i2c_r(struct sd *sd, __u8 reg)
|
|
{
|
|
int rc, value;
|
|
|
|
/* Select camera register */
|
|
rc = reg_w(sd, R51x_I2C_SADDR_2, reg);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Initiate 2-byte write cycle */
|
|
rc = reg_w(sd, R518_I2C_CTL, 0x03);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Initiate 2-byte read cycle */
|
|
rc = reg_w(sd, R518_I2C_CTL, 0x05);
|
|
if (rc < 0)
|
|
return rc;
|
|
value = reg_r(sd, R51x_I2C_DATA);
|
|
PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, value);
|
|
return value;
|
|
}
|
|
|
|
/* Writes bits at positions specified by mask to an I2C reg. Bits that are in
|
|
* the same position as 1's in "mask" are cleared and set to "value". Bits
|
|
* that are in the same position as 0's in "mask" are preserved, regardless
|
|
* of their respective state in "value".
|
|
*/
|
|
static int i2c_w_mask(struct sd *sd,
|
|
__u8 reg,
|
|
__u8 value,
|
|
__u8 mask)
|
|
{
|
|
int rc;
|
|
__u8 oldval;
|
|
|
|
value &= mask; /* Enforce mask on value */
|
|
rc = i2c_r(sd, reg);
|
|
if (rc < 0)
|
|
return rc;
|
|
oldval = rc & ~mask; /* Clear the masked bits */
|
|
value |= oldval; /* Set the desired bits */
|
|
return i2c_w(sd, reg, value);
|
|
}
|
|
|
|
/* Temporarily stops OV511 from functioning. Must do this before changing
|
|
* registers while the camera is streaming */
|
|
static inline int ov51x_stop(struct sd *sd)
|
|
{
|
|
PDEBUG(D_STREAM, "stopping");
|
|
sd->stopped = 1;
|
|
return reg_w(sd, OV519_SYS_RESET1, 0x0f);
|
|
}
|
|
|
|
/* Restarts OV511 after ov511_stop() is called. Has no effect if it is not
|
|
* actually stopped (for performance). */
|
|
static inline int ov51x_restart(struct sd *sd)
|
|
{
|
|
PDEBUG(D_STREAM, "restarting");
|
|
if (!sd->stopped)
|
|
return 0;
|
|
sd->stopped = 0;
|
|
|
|
/* Reinitialize the stream */
|
|
return reg_w(sd, OV519_SYS_RESET1, 0x00);
|
|
}
|
|
|
|
/* This does an initial reset of an OmniVision sensor and ensures that I2C
|
|
* is synchronized. Returns <0 on failure.
|
|
*/
|
|
static int init_ov_sensor(struct sd *sd)
|
|
{
|
|
int i;
|
|
|
|
/* Reset the sensor */
|
|
if (i2c_w(sd, 0x12, 0x80) < 0)
|
|
return -EIO;
|
|
|
|
/* Wait for it to initialize */
|
|
msleep(150);
|
|
|
|
for (i = 0; i < i2c_detect_tries; i++) {
|
|
if (i2c_r(sd, OV7610_REG_ID_HIGH) == 0x7f &&
|
|
i2c_r(sd, OV7610_REG_ID_LOW) == 0xa2) {
|
|
PDEBUG(D_PROBE, "I2C synced in %d attempt(s)", i);
|
|
return 0;
|
|
}
|
|
|
|
/* Reset the sensor */
|
|
if (i2c_w(sd, 0x12, 0x80) < 0)
|
|
return -EIO;
|
|
/* Wait for it to initialize */
|
|
msleep(150);
|
|
/* Dummy read to sync I2C */
|
|
if (i2c_r(sd, 0x00) < 0)
|
|
return -EIO;
|
|
}
|
|
return -EIO;
|
|
}
|
|
|
|
/* Set the read and write slave IDs. The "slave" argument is the write slave,
|
|
* and the read slave will be set to (slave + 1).
|
|
* This should not be called from outside the i2c I/O functions.
|
|
* Sets I2C read and write slave IDs. Returns <0 for error
|
|
*/
|
|
static int ov51x_set_slave_ids(struct sd *sd,
|
|
__u8 slave)
|
|
{
|
|
int rc;
|
|
|
|
rc = reg_w(sd, R51x_I2C_W_SID, slave);
|
|
if (rc < 0)
|
|
return rc;
|
|
return reg_w(sd, R51x_I2C_R_SID, slave + 1);
|
|
}
|
|
|
|
static int write_regvals(struct sd *sd,
|
|
const struct ov_regvals *regvals,
|
|
int n)
|
|
{
|
|
int rc;
|
|
|
|
while (--n >= 0) {
|
|
rc = reg_w(sd, regvals->reg, regvals->val);
|
|
if (rc < 0)
|
|
return rc;
|
|
regvals++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int write_i2c_regvals(struct sd *sd,
|
|
const struct ov_i2c_regvals *regvals,
|
|
int n)
|
|
{
|
|
int rc;
|
|
|
|
while (--n >= 0) {
|
|
rc = i2c_w(sd, regvals->reg, regvals->val);
|
|
if (rc < 0)
|
|
return rc;
|
|
regvals++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
*
|
|
* OV511 and sensor configuration
|
|
*
|
|
***************************************************************************/
|
|
|
|
/* This initializes the OV8110, OV8610 sensor. The OV8110 uses
|
|
* the same register settings as the OV8610, since they are very similar.
|
|
*/
|
|
static int ov8xx0_configure(struct sd *sd)
|
|
{
|
|
int rc;
|
|
|
|
PDEBUG(D_PROBE, "starting ov8xx0 configuration");
|
|
|
|
/* Detect sensor (sub)type */
|
|
rc = i2c_r(sd, OV7610_REG_COM_I);
|
|
if (rc < 0) {
|
|
PDEBUG(D_ERR, "Error detecting sensor type");
|
|
return -1;
|
|
}
|
|
if ((rc & 3) == 1) {
|
|
sd->sensor = SEN_OV8610;
|
|
} else {
|
|
PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3);
|
|
return -1;
|
|
}
|
|
|
|
/* Set sensor-specific vars */
|
|
/* sd->sif = 0; already done */
|
|
return 0;
|
|
}
|
|
|
|
/* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses
|
|
* the same register settings as the OV7610, since they are very similar.
|
|
*/
|
|
static int ov7xx0_configure(struct sd *sd)
|
|
{
|
|
int rc, high, low;
|
|
|
|
|
|
PDEBUG(D_PROBE, "starting OV7xx0 configuration");
|
|
|
|
/* Detect sensor (sub)type */
|
|
rc = i2c_r(sd, OV7610_REG_COM_I);
|
|
|
|
/* add OV7670 here
|
|
* it appears to be wrongly detected as a 7610 by default */
|
|
if (rc < 0) {
|
|
PDEBUG(D_ERR, "Error detecting sensor type");
|
|
return -1;
|
|
}
|
|
if ((rc & 3) == 3) {
|
|
/* quick hack to make OV7670s work */
|
|
high = i2c_r(sd, 0x0a);
|
|
low = i2c_r(sd, 0x0b);
|
|
/* info("%x, %x", high, low); */
|
|
if (high == 0x76 && low == 0x73) {
|
|
PDEBUG(D_PROBE, "Sensor is an OV7670");
|
|
sd->sensor = SEN_OV7670;
|
|
} else {
|
|
PDEBUG(D_PROBE, "Sensor is an OV7610");
|
|
sd->sensor = SEN_OV7610;
|
|
}
|
|
} else if ((rc & 3) == 1) {
|
|
/* I don't know what's different about the 76BE yet. */
|
|
if (i2c_r(sd, 0x15) & 1)
|
|
PDEBUG(D_PROBE, "Sensor is an OV7620AE");
|
|
else
|
|
PDEBUG(D_PROBE, "Sensor is an OV76BE");
|
|
|
|
/* OV511+ will return all zero isoc data unless we
|
|
* configure the sensor as a 7620. Someone needs to
|
|
* find the exact reg. setting that causes this. */
|
|
sd->sensor = SEN_OV76BE;
|
|
} else if ((rc & 3) == 0) {
|
|
/* try to read product id registers */
|
|
high = i2c_r(sd, 0x0a);
|
|
if (high < 0) {
|
|
PDEBUG(D_ERR, "Error detecting camera chip PID");
|
|
return high;
|
|
}
|
|
low = i2c_r(sd, 0x0b);
|
|
if (low < 0) {
|
|
PDEBUG(D_ERR, "Error detecting camera chip VER");
|
|
return low;
|
|
}
|
|
if (high == 0x76) {
|
|
switch (low) {
|
|
case 0x30:
|
|
PDEBUG(D_PROBE, "Sensor is an OV7630/OV7635");
|
|
PDEBUG(D_ERR,
|
|
"7630 is not supported by this driver");
|
|
return -1;
|
|
case 0x40:
|
|
PDEBUG(D_PROBE, "Sensor is an OV7645");
|
|
sd->sensor = SEN_OV7640; /* FIXME */
|
|
break;
|
|
case 0x45:
|
|
PDEBUG(D_PROBE, "Sensor is an OV7645B");
|
|
sd->sensor = SEN_OV7640; /* FIXME */
|
|
break;
|
|
case 0x48:
|
|
PDEBUG(D_PROBE, "Sensor is an OV7648");
|
|
sd->sensor = SEN_OV7640; /* FIXME */
|
|
break;
|
|
default:
|
|
PDEBUG(D_PROBE, "Unknown sensor: 0x76%x", low);
|
|
return -1;
|
|
}
|
|
} else {
|
|
PDEBUG(D_PROBE, "Sensor is an OV7620");
|
|
sd->sensor = SEN_OV7620;
|
|
}
|
|
} else {
|
|
PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3);
|
|
return -1;
|
|
}
|
|
|
|
/* Set sensor-specific vars */
|
|
/* sd->sif = 0; already done */
|
|
return 0;
|
|
}
|
|
|
|
/* This initializes the OV6620, OV6630, OV6630AE, or OV6630AF sensor. */
|
|
static int ov6xx0_configure(struct sd *sd)
|
|
{
|
|
int rc;
|
|
PDEBUG(D_PROBE, "starting OV6xx0 configuration");
|
|
|
|
/* Detect sensor (sub)type */
|
|
rc = i2c_r(sd, OV7610_REG_COM_I);
|
|
if (rc < 0) {
|
|
PDEBUG(D_ERR, "Error detecting sensor type");
|
|
return -1;
|
|
}
|
|
|
|
/* Ugh. The first two bits are the version bits, but
|
|
* the entire register value must be used. I guess OVT
|
|
* underestimated how many variants they would make. */
|
|
switch (rc) {
|
|
case 0x00:
|
|
sd->sensor = SEN_OV6630;
|
|
PDEBUG(D_ERR,
|
|
"WARNING: Sensor is an OV66308. Your camera may have");
|
|
PDEBUG(D_ERR, "been misdetected in previous driver versions.");
|
|
break;
|
|
case 0x01:
|
|
sd->sensor = SEN_OV6620;
|
|
break;
|
|
case 0x02:
|
|
sd->sensor = SEN_OV6630;
|
|
PDEBUG(D_PROBE, "Sensor is an OV66308AE");
|
|
break;
|
|
case 0x03:
|
|
sd->sensor = SEN_OV6630;
|
|
PDEBUG(D_PROBE, "Sensor is an OV66308AF");
|
|
break;
|
|
case 0x90:
|
|
sd->sensor = SEN_OV6630;
|
|
PDEBUG(D_ERR,
|
|
"WARNING: Sensor is an OV66307. Your camera may have");
|
|
PDEBUG(D_ERR, "been misdetected in previous driver versions.");
|
|
break;
|
|
default:
|
|
PDEBUG(D_ERR, "FATAL: Unknown sensor version: 0x%02x", rc);
|
|
return -1;
|
|
}
|
|
|
|
/* Set sensor-specific vars */
|
|
sd->sif = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Turns on or off the LED. Only has an effect with OV511+/OV518(+)/OV519 */
|
|
static void ov51x_led_control(struct sd *sd, int on)
|
|
{
|
|
reg_w_mask(sd, OV519_GPIO_DATA_OUT0, !on, 1); /* 0 / 1 */
|
|
}
|
|
|
|
/* 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;
|
|
|
|
static const struct ov_regvals init_519[] = {
|
|
{ 0x5a, 0x6d }, /* EnableSystem */
|
|
{ 0x53, 0x9b },
|
|
{ 0x54, 0xff }, /* set bit2 to enable jpeg */
|
|
{ 0x5d, 0x03 },
|
|
{ 0x49, 0x01 },
|
|
{ 0x48, 0x00 },
|
|
/* Set LED pin to output mode. Bit 4 must be cleared or sensor
|
|
* detection will fail. This deserves further investigation. */
|
|
{ OV519_GPIO_IO_CTRL0, 0xee },
|
|
{ 0x51, 0x0f }, /* SetUsbInit */
|
|
{ 0x51, 0x00 },
|
|
{ 0x22, 0x00 },
|
|
/* windows reads 0x55 at this point*/
|
|
};
|
|
|
|
if (write_regvals(sd, init_519, ARRAY_SIZE(init_519)))
|
|
goto error;
|
|
ov51x_led_control(sd, 0); /* turn LED off */
|
|
|
|
/* Test for 76xx */
|
|
if (ov51x_set_slave_ids(sd, OV7xx0_SID) < 0)
|
|
goto error;
|
|
|
|
/* The OV519 must be more aggressive about sensor detection since
|
|
* I2C write will never fail if the sensor is not present. We have
|
|
* to try to initialize the sensor to detect its presence */
|
|
if (init_ov_sensor(sd) >= 0) {
|
|
if (ov7xx0_configure(sd) < 0) {
|
|
PDEBUG(D_ERR, "Failed to configure OV7xx0");
|
|
goto error;
|
|
}
|
|
} else {
|
|
|
|
/* Test for 6xx0 */
|
|
if (ov51x_set_slave_ids(sd, OV6xx0_SID) < 0)
|
|
goto error;
|
|
|
|
if (init_ov_sensor(sd) >= 0) {
|
|
if (ov6xx0_configure(sd) < 0) {
|
|
PDEBUG(D_ERR, "Failed to configure OV6xx0");
|
|
goto error;
|
|
}
|
|
} else {
|
|
|
|
/* Test for 8xx0 */
|
|
if (ov51x_set_slave_ids(sd, OV8xx0_SID) < 0)
|
|
goto error;
|
|
|
|
if (init_ov_sensor(sd) < 0) {
|
|
PDEBUG(D_ERR,
|
|
"Can't determine sensor slave IDs");
|
|
goto error;
|
|
}
|
|
if (ov8xx0_configure(sd) < 0) {
|
|
PDEBUG(D_ERR,
|
|
"Failed to configure OV8xx0 sensor");
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
|
|
cam = &gspca_dev->cam;
|
|
if (!sd->sif) {
|
|
cam->cam_mode = vga_mode;
|
|
cam->nmodes = ARRAY_SIZE(vga_mode);
|
|
} else {
|
|
cam->cam_mode = sif_mode;
|
|
cam->nmodes = ARRAY_SIZE(sif_mode);
|
|
}
|
|
sd->brightness = BRIGHTNESS_DEF;
|
|
sd->contrast = CONTRAST_DEF;
|
|
sd->colors = COLOR_DEF;
|
|
sd->hflip = HFLIP_DEF;
|
|
sd->vflip = VFLIP_DEF;
|
|
if (sd->sensor != SEN_OV7670)
|
|
gspca_dev->ctrl_dis = (1 << HFLIP_IDX)
|
|
| (1 << VFLIP_IDX);
|
|
return 0;
|
|
error:
|
|
PDEBUG(D_ERR, "OV519 Config failed");
|
|
return -EBUSY;
|
|
}
|
|
|
|
/* 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;
|
|
|
|
/* initialize the sensor */
|
|
switch (sd->sensor) {
|
|
case SEN_OV6620:
|
|
if (write_i2c_regvals(sd, norm_6x20, ARRAY_SIZE(norm_6x20)))
|
|
return -EIO;
|
|
break;
|
|
case SEN_OV6630:
|
|
if (write_i2c_regvals(sd, norm_6x30, ARRAY_SIZE(norm_6x30)))
|
|
return -EIO;
|
|
break;
|
|
default:
|
|
/* case SEN_OV7610: */
|
|
/* case SEN_OV76BE: */
|
|
if (write_i2c_regvals(sd, norm_7610, ARRAY_SIZE(norm_7610)))
|
|
return -EIO;
|
|
break;
|
|
case SEN_OV7620:
|
|
if (write_i2c_regvals(sd, norm_7620, ARRAY_SIZE(norm_7620)))
|
|
return -EIO;
|
|
break;
|
|
case SEN_OV7640:
|
|
if (write_i2c_regvals(sd, norm_7640, ARRAY_SIZE(norm_7640)))
|
|
return -EIO;
|
|
break;
|
|
case SEN_OV7670:
|
|
if (write_i2c_regvals(sd, norm_7670, ARRAY_SIZE(norm_7670)))
|
|
return -EIO;
|
|
break;
|
|
case SEN_OV8610:
|
|
if (write_i2c_regvals(sd, norm_8610, ARRAY_SIZE(norm_8610)))
|
|
return -EIO;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Sets up the OV519 with the given image parameters
|
|
*
|
|
* OV519 needs a completely different approach, until we can figure out what
|
|
* the individual registers do.
|
|
*
|
|
* Do not put any sensor-specific code in here (including I2C I/O functions)
|
|
*/
|
|
static int ov519_mode_init_regs(struct sd *sd)
|
|
{
|
|
static const struct ov_regvals mode_init_519_ov7670[] = {
|
|
{ 0x5d, 0x03 }, /* Turn off suspend mode */
|
|
{ 0x53, 0x9f }, /* was 9b in 1.65-1.08 */
|
|
{ 0x54, 0x0f }, /* bit2 (jpeg enable) */
|
|
{ 0xa2, 0x20 }, /* a2-a5 are undocumented */
|
|
{ 0xa3, 0x18 },
|
|
{ 0xa4, 0x04 },
|
|
{ 0xa5, 0x28 },
|
|
{ 0x37, 0x00 }, /* SetUsbInit */
|
|
{ 0x55, 0x02 }, /* 4.096 Mhz audio clock */
|
|
/* Enable both fields, YUV Input, disable defect comp (why?) */
|
|
{ 0x20, 0x0c },
|
|
{ 0x21, 0x38 },
|
|
{ 0x22, 0x1d },
|
|
{ 0x17, 0x50 }, /* undocumented */
|
|
{ 0x37, 0x00 }, /* undocumented */
|
|
{ 0x40, 0xff }, /* I2C timeout counter */
|
|
{ 0x46, 0x00 }, /* I2C clock prescaler */
|
|
{ 0x59, 0x04 }, /* new from windrv 090403 */
|
|
{ 0xff, 0x00 }, /* undocumented */
|
|
/* windows reads 0x55 at this point, why? */
|
|
};
|
|
|
|
static const struct ov_regvals mode_init_519[] = {
|
|
{ 0x5d, 0x03 }, /* Turn off suspend mode */
|
|
{ 0x53, 0x9f }, /* was 9b in 1.65-1.08 */
|
|
{ 0x54, 0x0f }, /* bit2 (jpeg enable) */
|
|
{ 0xa2, 0x20 }, /* a2-a5 are undocumented */
|
|
{ 0xa3, 0x18 },
|
|
{ 0xa4, 0x04 },
|
|
{ 0xa5, 0x28 },
|
|
{ 0x37, 0x00 }, /* SetUsbInit */
|
|
{ 0x55, 0x02 }, /* 4.096 Mhz audio clock */
|
|
/* Enable both fields, YUV Input, disable defect comp (why?) */
|
|
{ 0x22, 0x1d },
|
|
{ 0x17, 0x50 }, /* undocumented */
|
|
{ 0x37, 0x00 }, /* undocumented */
|
|
{ 0x40, 0xff }, /* I2C timeout counter */
|
|
{ 0x46, 0x00 }, /* I2C clock prescaler */
|
|
{ 0x59, 0x04 }, /* new from windrv 090403 */
|
|
{ 0xff, 0x00 }, /* undocumented */
|
|
/* windows reads 0x55 at this point, why? */
|
|
};
|
|
|
|
/******** Set the mode ********/
|
|
if (sd->sensor != SEN_OV7670) {
|
|
if (write_regvals(sd, mode_init_519,
|
|
ARRAY_SIZE(mode_init_519)))
|
|
return -EIO;
|
|
if (sd->sensor == SEN_OV7640) {
|
|
/* Select 8-bit input mode */
|
|
reg_w_mask(sd, OV519_R20_DFR, 0x10, 0x10);
|
|
}
|
|
} else {
|
|
if (write_regvals(sd, mode_init_519_ov7670,
|
|
ARRAY_SIZE(mode_init_519_ov7670)))
|
|
return -EIO;
|
|
}
|
|
|
|
reg_w(sd, OV519_R10_H_SIZE, sd->gspca_dev.width >> 4);
|
|
reg_w(sd, OV519_R11_V_SIZE, sd->gspca_dev.height >> 3);
|
|
reg_w(sd, OV519_R12_X_OFFSETL, 0x00);
|
|
reg_w(sd, OV519_R13_X_OFFSETH, 0x00);
|
|
reg_w(sd, OV519_R14_Y_OFFSETL, 0x00);
|
|
reg_w(sd, OV519_R15_Y_OFFSETH, 0x00);
|
|
reg_w(sd, OV519_R16_DIVIDER, 0x00);
|
|
reg_w(sd, OV519_R25_FORMAT, 0x03); /* YUV422 */
|
|
reg_w(sd, 0x26, 0x00); /* Undocumented */
|
|
|
|
/******** Set the framerate ********/
|
|
if (frame_rate > 0)
|
|
sd->frame_rate = frame_rate;
|
|
|
|
/* FIXME: These are only valid at the max resolution. */
|
|
sd->clockdiv = 0;
|
|
switch (sd->sensor) {
|
|
case SEN_OV7640:
|
|
switch (sd->frame_rate) {
|
|
default:
|
|
/* case 30: */
|
|
reg_w(sd, 0xa4, 0x0c);
|
|
reg_w(sd, 0x23, 0xff);
|
|
break;
|
|
case 25:
|
|
reg_w(sd, 0xa4, 0x0c);
|
|
reg_w(sd, 0x23, 0x1f);
|
|
break;
|
|
case 20:
|
|
reg_w(sd, 0xa4, 0x0c);
|
|
reg_w(sd, 0x23, 0x1b);
|
|
break;
|
|
case 15:
|
|
reg_w(sd, 0xa4, 0x04);
|
|
reg_w(sd, 0x23, 0xff);
|
|
sd->clockdiv = 1;
|
|
break;
|
|
case 10:
|
|
reg_w(sd, 0xa4, 0x04);
|
|
reg_w(sd, 0x23, 0x1f);
|
|
sd->clockdiv = 1;
|
|
break;
|
|
case 5:
|
|
reg_w(sd, 0xa4, 0x04);
|
|
reg_w(sd, 0x23, 0x1b);
|
|
sd->clockdiv = 1;
|
|
break;
|
|
}
|
|
break;
|
|
case SEN_OV8610:
|
|
switch (sd->frame_rate) {
|
|
default: /* 15 fps */
|
|
/* case 15: */
|
|
reg_w(sd, 0xa4, 0x06);
|
|
reg_w(sd, 0x23, 0xff);
|
|
break;
|
|
case 10:
|
|
reg_w(sd, 0xa4, 0x06);
|
|
reg_w(sd, 0x23, 0x1f);
|
|
break;
|
|
case 5:
|
|
reg_w(sd, 0xa4, 0x06);
|
|
reg_w(sd, 0x23, 0x1b);
|
|
break;
|
|
}
|
|
break;
|
|
case SEN_OV7670: /* guesses, based on 7640 */
|
|
PDEBUG(D_STREAM, "Setting framerate to %d fps",
|
|
(sd->frame_rate == 0) ? 15 : sd->frame_rate);
|
|
reg_w(sd, 0xa4, 0x10);
|
|
switch (sd->frame_rate) {
|
|
case 30:
|
|
reg_w(sd, 0x23, 0xff);
|
|
break;
|
|
case 20:
|
|
reg_w(sd, 0x23, 0x1b);
|
|
break;
|
|
default:
|
|
/* case 15: */
|
|
reg_w(sd, 0x23, 0xff);
|
|
sd->clockdiv = 1;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mode_init_ov_sensor_regs(struct sd *sd)
|
|
{
|
|
struct gspca_dev *gspca_dev;
|
|
int qvga;
|
|
|
|
gspca_dev = &sd->gspca_dev;
|
|
qvga = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
|
|
|
|
/******** Mode (VGA/QVGA) and sensor specific regs ********/
|
|
switch (sd->sensor) {
|
|
case SEN_OV8610:
|
|
/* For OV8610 qvga means qsvga */
|
|
i2c_w_mask(sd, OV7610_REG_COM_C, qvga ? (1 << 5) : 0, 1 << 5);
|
|
break;
|
|
case SEN_OV7610:
|
|
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
|
|
break;
|
|
case SEN_OV7620:
|
|
/* i2c_w(sd, 0x2b, 0x00); */
|
|
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
|
|
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
|
|
i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a);
|
|
i2c_w(sd, 0x25, qvga ? 0x30 : 0x60);
|
|
i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40);
|
|
i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
|
|
i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
|
|
break;
|
|
case SEN_OV76BE:
|
|
/* i2c_w(sd, 0x2b, 0x00); */
|
|
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
|
|
break;
|
|
case SEN_OV7640:
|
|
/* i2c_w(sd, 0x2b, 0x00); */
|
|
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
|
|
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
|
|
/* i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a); */
|
|
/* i2c_w(sd, 0x25, qvga ? 0x30 : 0x60); */
|
|
/* i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40); */
|
|
/* i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0); */
|
|
/* i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20); */
|
|
break;
|
|
case SEN_OV7670:
|
|
/* set COM7_FMT_VGA or COM7_FMT_QVGA
|
|
* do we need to set anything else?
|
|
* HSTART etc are set in set_ov_sensor_window itself */
|
|
i2c_w_mask(sd, OV7670_REG_COM7,
|
|
qvga ? OV7670_COM7_FMT_QVGA : OV7670_COM7_FMT_VGA,
|
|
OV7670_COM7_FMT_MASK);
|
|
break;
|
|
case SEN_OV6620:
|
|
case SEN_OV6630:
|
|
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/******** Palette-specific regs ********/
|
|
if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
|
|
/* not valid on the OV6620/OV7620/6630? */
|
|
i2c_w_mask(sd, 0x0e, 0x00, 0x40);
|
|
}
|
|
|
|
/* The OV518 needs special treatment. Although both the OV518
|
|
* and the OV6630 support a 16-bit video bus, only the 8 bit Y
|
|
* bus is actually used. The UV bus is tied to ground.
|
|
* Therefore, the OV6630 needs to be in 8-bit multiplexed
|
|
* output mode */
|
|
|
|
/* OV7640 is 8-bit only */
|
|
|
|
if (sd->sensor != SEN_OV6630 && sd->sensor != SEN_OV7640)
|
|
i2c_w_mask(sd, 0x13, 0x00, 0x20);
|
|
|
|
/******** Clock programming ********/
|
|
/* The OV6620 needs special handling. This prevents the
|
|
* severe banding that normally occurs */
|
|
if (sd->sensor == SEN_OV6620) {
|
|
|
|
/* Clock down */
|
|
i2c_w(sd, 0x2a, 0x04);
|
|
i2c_w(sd, 0x11, sd->clockdiv);
|
|
i2c_w(sd, 0x2a, 0x84);
|
|
/* This next setting is critical. It seems to improve
|
|
* the gain or the contrast. The "reserved" bits seem
|
|
* to have some effect in this case. */
|
|
i2c_w(sd, 0x2d, 0x85);
|
|
} else {
|
|
i2c_w(sd, 0x11, sd->clockdiv);
|
|
}
|
|
|
|
/******** Special Features ********/
|
|
/* no evidence this is possible with OV7670, either */
|
|
/* Test Pattern */
|
|
if (sd->sensor != SEN_OV7640 && sd->sensor != SEN_OV7670)
|
|
i2c_w_mask(sd, 0x12, 0x00, 0x02);
|
|
|
|
/* Enable auto white balance */
|
|
if (sd->sensor == SEN_OV7670)
|
|
i2c_w_mask(sd, OV7670_REG_COM8, OV7670_COM8_AWB,
|
|
OV7670_COM8_AWB);
|
|
else
|
|
i2c_w_mask(sd, 0x12, 0x04, 0x04);
|
|
|
|
/* This will go away as soon as ov51x_mode_init_sensor_regs() */
|
|
/* is fully tested. */
|
|
/* 7620/6620/6630? don't have register 0x35, so play it safe */
|
|
if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
|
|
if (!qvga)
|
|
i2c_w(sd, 0x35, 0x9e);
|
|
else
|
|
i2c_w(sd, 0x35, 0x1e);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void sethvflip(struct sd *sd)
|
|
{
|
|
if (sd->sensor != SEN_OV7670)
|
|
return;
|
|
if (sd->gspca_dev.streaming)
|
|
ov51x_stop(sd);
|
|
i2c_w_mask(sd, OV7670_REG_MVFP,
|
|
OV7670_MVFP_MIRROR * sd->hflip
|
|
| OV7670_MVFP_VFLIP * sd->vflip,
|
|
OV7670_MVFP_MIRROR | OV7670_MVFP_VFLIP);
|
|
if (sd->gspca_dev.streaming)
|
|
ov51x_restart(sd);
|
|
}
|
|
|
|
static int set_ov_sensor_window(struct sd *sd)
|
|
{
|
|
struct gspca_dev *gspca_dev;
|
|
int qvga;
|
|
int hwsbase, hwebase, vwsbase, vwebase, hwscale, vwscale;
|
|
int ret, hstart, hstop, vstop, vstart;
|
|
__u8 v;
|
|
|
|
gspca_dev = &sd->gspca_dev;
|
|
qvga = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
|
|
|
|
/* The different sensor ICs handle setting up of window differently.
|
|
* IF YOU SET IT WRONG, YOU WILL GET ALL ZERO ISOC DATA FROM OV51x!! */
|
|
switch (sd->sensor) {
|
|
case SEN_OV8610:
|
|
hwsbase = 0x1e;
|
|
hwebase = 0x1e;
|
|
vwsbase = 0x02;
|
|
vwebase = 0x02;
|
|
break;
|
|
case SEN_OV7610:
|
|
case SEN_OV76BE:
|
|
hwsbase = 0x38;
|
|
hwebase = 0x3a;
|
|
vwsbase = vwebase = 0x05;
|
|
break;
|
|
case SEN_OV6620:
|
|
case SEN_OV6630:
|
|
hwsbase = 0x38;
|
|
hwebase = 0x3a;
|
|
vwsbase = 0x05;
|
|
vwebase = 0x06;
|
|
break;
|
|
case SEN_OV7620:
|
|
hwsbase = 0x2f; /* From 7620.SET (spec is wrong) */
|
|
hwebase = 0x2f;
|
|
vwsbase = vwebase = 0x05;
|
|
break;
|
|
case SEN_OV7640:
|
|
hwsbase = 0x1a;
|
|
hwebase = 0x1a;
|
|
vwsbase = vwebase = 0x03;
|
|
break;
|
|
case SEN_OV7670:
|
|
/*handling of OV7670 hardware sensor start and stop values
|
|
* is very odd, compared to the other OV sensors */
|
|
vwsbase = vwebase = hwebase = hwsbase = 0x00;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (sd->sensor) {
|
|
case SEN_OV6620:
|
|
case SEN_OV6630:
|
|
if (qvga) { /* QCIF */
|
|
hwscale = 0;
|
|
vwscale = 0;
|
|
} else { /* CIF */
|
|
hwscale = 1;
|
|
vwscale = 1; /* The datasheet says 0;
|
|
* it's wrong */
|
|
}
|
|
break;
|
|
case SEN_OV8610:
|
|
if (qvga) { /* QSVGA */
|
|
hwscale = 1;
|
|
vwscale = 1;
|
|
} else { /* SVGA */
|
|
hwscale = 2;
|
|
vwscale = 2;
|
|
}
|
|
break;
|
|
default: /* SEN_OV7xx0 */
|
|
if (qvga) { /* QVGA */
|
|
hwscale = 1;
|
|
vwscale = 0;
|
|
} else { /* VGA */
|
|
hwscale = 2;
|
|
vwscale = 1;
|
|
}
|
|
}
|
|
|
|
ret = mode_init_ov_sensor_regs(sd);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (sd->sensor == SEN_OV8610) {
|
|
i2c_w_mask(sd, 0x2d, 0x05, 0x40);
|
|
/* old 0x95, new 0x05 from windrv 090403 */
|
|
/* bits 5-7: reserved */
|
|
i2c_w_mask(sd, 0x28, 0x20, 0x20);
|
|
/* bit 5: progressive mode on */
|
|
}
|
|
|
|
/* The below is wrong for OV7670s because their window registers
|
|
* only store the high bits in 0x17 to 0x1a */
|
|
|
|
/* SRH Use sd->max values instead of requested win values */
|
|
/* SCS Since we're sticking with only the max hardware widths
|
|
* for a given mode */
|
|
/* I can hard code this for OV7670s */
|
|
/* Yes, these numbers do look odd, but they're tested and work! */
|
|
if (sd->sensor == SEN_OV7670) {
|
|
if (qvga) { /* QVGA from ov7670.c by
|
|
* Jonathan Corbet */
|
|
hstart = 164;
|
|
hstop = 20;
|
|
vstart = 14;
|
|
vstop = 494;
|
|
} else { /* VGA */
|
|
hstart = 158;
|
|
hstop = 14;
|
|
vstart = 10;
|
|
vstop = 490;
|
|
}
|
|
/* OV7670 hardware window registers are split across
|
|
* multiple locations */
|
|
i2c_w(sd, OV7670_REG_HSTART, hstart >> 3);
|
|
i2c_w(sd, OV7670_REG_HSTOP, hstop >> 3);
|
|
v = i2c_r(sd, OV7670_REG_HREF);
|
|
v = (v & 0xc0) | ((hstop & 0x7) << 3) | (hstart & 0x07);
|
|
msleep(10); /* need to sleep between read and write to
|
|
* same reg! */
|
|
i2c_w(sd, OV7670_REG_HREF, v);
|
|
|
|
i2c_w(sd, OV7670_REG_VSTART, vstart >> 2);
|
|
i2c_w(sd, OV7670_REG_VSTOP, vstop >> 2);
|
|
v = i2c_r(sd, OV7670_REG_VREF);
|
|
v = (v & 0xc0) | ((vstop & 0x3) << 2) | (vstart & 0x03);
|
|
msleep(10); /* need to sleep between read and write to
|
|
* same reg! */
|
|
i2c_w(sd, OV7670_REG_VREF, v);
|
|
sethvflip(sd);
|
|
} else {
|
|
i2c_w(sd, 0x17, hwsbase);
|
|
i2c_w(sd, 0x18, hwebase + (sd->gspca_dev.width >> hwscale));
|
|
i2c_w(sd, 0x19, vwsbase);
|
|
i2c_w(sd, 0x1a, vwebase + (sd->gspca_dev.height >> vwscale));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* -- start the camera -- */
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int ret;
|
|
|
|
ret = ov519_mode_init_regs(sd);
|
|
if (ret < 0)
|
|
goto out;
|
|
ret = set_ov_sensor_window(sd);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = ov51x_restart(sd);
|
|
if (ret < 0)
|
|
goto out;
|
|
ov51x_led_control(sd, 1);
|
|
return 0;
|
|
out:
|
|
PDEBUG(D_ERR, "camera start error:%d", ret);
|
|
return ret;
|
|
}
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
ov51x_stop(sd);
|
|
ov51x_led_control(sd, 0);
|
|
}
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|
struct gspca_frame *frame, /* target */
|
|
__u8 *data, /* isoc packet */
|
|
int len) /* iso packet length */
|
|
{
|
|
/* Header of ov519 is 16 bytes:
|
|
* Byte Value Description
|
|
* 0 0xff magic
|
|
* 1 0xff magic
|
|
* 2 0xff magic
|
|
* 3 0xXX 0x50 = SOF, 0x51 = EOF
|
|
* 9 0xXX 0x01 initial frame without data,
|
|
* 0x00 standard frame with image
|
|
* 14 Lo in EOF: length of image data / 8
|
|
* 15 Hi
|
|
*/
|
|
|
|
if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff) {
|
|
switch (data[3]) {
|
|
case 0x50: /* start of frame */
|
|
#define HDRSZ 16
|
|
data += HDRSZ;
|
|
len -= HDRSZ;
|
|
#undef HDRSZ
|
|
if (data[0] == 0xff || data[1] == 0xd8)
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
|
|
data, len);
|
|
else
|
|
gspca_dev->last_packet_type = DISCARD_PACKET;
|
|
return;
|
|
case 0x51: /* end of frame */
|
|
if (data[9] != 0)
|
|
gspca_dev->last_packet_type = DISCARD_PACKET;
|
|
gspca_frame_add(gspca_dev, LAST_PACKET, frame,
|
|
data, 0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* intermediate packet */
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, frame,
|
|
data, len);
|
|
}
|
|
|
|
/* -- management routines -- */
|
|
|
|
static void setbrightness(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int val;
|
|
|
|
val = sd->brightness;
|
|
switch (sd->sensor) {
|
|
case SEN_OV8610:
|
|
case SEN_OV7610:
|
|
case SEN_OV76BE:
|
|
case SEN_OV6620:
|
|
case SEN_OV6630:
|
|
case SEN_OV7640:
|
|
i2c_w(sd, OV7610_REG_BRT, val);
|
|
break;
|
|
case SEN_OV7620:
|
|
/* 7620 doesn't like manual changes when in auto mode */
|
|
/*fixme
|
|
* if (!sd->auto_brt) */
|
|
i2c_w(sd, OV7610_REG_BRT, val);
|
|
break;
|
|
case SEN_OV7670:
|
|
/*win trace
|
|
* i2c_w_mask(sd, OV7670_REG_COM8, 0, OV7670_COM8_AEC); */
|
|
i2c_w(sd, OV7670_REG_BRIGHT, ov7670_abs_to_sm(val));
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void setcontrast(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int val;
|
|
|
|
val = sd->contrast;
|
|
switch (sd->sensor) {
|
|
case SEN_OV7610:
|
|
case SEN_OV6620:
|
|
i2c_w(sd, OV7610_REG_CNT, val);
|
|
break;
|
|
case SEN_OV6630:
|
|
i2c_w_mask(sd, OV7610_REG_CNT, val >> 4, 0x0f);
|
|
case SEN_OV8610: {
|
|
static const __u8 ctab[] = {
|
|
0x03, 0x09, 0x0b, 0x0f, 0x53, 0x6f, 0x35, 0x7f
|
|
};
|
|
|
|
/* Use Y gamma control instead. Bit 0 enables it. */
|
|
i2c_w(sd, 0x64, ctab[val >> 5]);
|
|
break;
|
|
}
|
|
case SEN_OV7620: {
|
|
static const __u8 ctab[] = {
|
|
0x01, 0x05, 0x09, 0x11, 0x15, 0x35, 0x37, 0x57,
|
|
0x5b, 0xa5, 0xa7, 0xc7, 0xc9, 0xcf, 0xef, 0xff
|
|
};
|
|
|
|
/* Use Y gamma control instead. Bit 0 enables it. */
|
|
i2c_w(sd, 0x64, ctab[val >> 4]);
|
|
break;
|
|
}
|
|
case SEN_OV7640:
|
|
/* Use gain control instead. */
|
|
i2c_w(sd, OV7610_REG_GAIN, val >> 2);
|
|
break;
|
|
case SEN_OV7670:
|
|
/* check that this isn't just the same as ov7610 */
|
|
i2c_w(sd, OV7670_REG_CONTRAS, val >> 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void setcolors(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int val;
|
|
|
|
val = sd->colors;
|
|
switch (sd->sensor) {
|
|
case SEN_OV8610:
|
|
case SEN_OV7610:
|
|
case SEN_OV76BE:
|
|
case SEN_OV6620:
|
|
case SEN_OV6630:
|
|
i2c_w(sd, OV7610_REG_SAT, val);
|
|
break;
|
|
case SEN_OV7620:
|
|
/* Use UV gamma control instead. Bits 0 & 7 are reserved. */
|
|
/* rc = ov_i2c_write(sd->dev, 0x62, (val >> 9) & 0x7e);
|
|
if (rc < 0)
|
|
goto out; */
|
|
i2c_w(sd, OV7610_REG_SAT, val);
|
|
break;
|
|
case SEN_OV7640:
|
|
i2c_w(sd, OV7610_REG_SAT, val & 0xf0);
|
|
break;
|
|
case SEN_OV7670:
|
|
/* supported later once I work out how to do it
|
|
* transparently fail now! */
|
|
/* set REG_COM13 values for UV sat auto mode */
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->brightness = val;
|
|
if (gspca_dev->streaming)
|
|
setbrightness(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->brightness;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->contrast = val;
|
|
if (gspca_dev->streaming)
|
|
setcontrast(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->contrast;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->colors = val;
|
|
if (gspca_dev->streaming)
|
|
setcolors(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->colors;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->hflip = val;
|
|
if (gspca_dev->streaming)
|
|
sethvflip(sd);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->hflip;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->vflip = val;
|
|
if (gspca_dev->streaming)
|
|
sethvflip(sd);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->vflip;
|
|
return 0;
|
|
}
|
|
|
|
/* sub-driver description */
|
|
static const struct sd_desc sd_desc = {
|
|
.name = MODULE_NAME,
|
|
.ctrls = sd_ctrls,
|
|
.nctrls = ARRAY_SIZE(sd_ctrls),
|
|
.config = sd_config,
|
|
.init = sd_init,
|
|
.start = sd_start,
|
|
.stopN = sd_stopN,
|
|
.pkt_scan = sd_pkt_scan,
|
|
};
|
|
|
|
/* -- module initialisation -- */
|
|
static const __devinitdata struct usb_device_id device_table[] = {
|
|
{USB_DEVICE(0x041e, 0x4052)},
|
|
{USB_DEVICE(0x041e, 0x405f)},
|
|
{USB_DEVICE(0x041e, 0x4060)},
|
|
{USB_DEVICE(0x041e, 0x4061)},
|
|
{USB_DEVICE(0x041e, 0x4064)},
|
|
{USB_DEVICE(0x041e, 0x4068)},
|
|
{USB_DEVICE(0x045e, 0x028c)},
|
|
{USB_DEVICE(0x054c, 0x0154)},
|
|
{USB_DEVICE(0x054c, 0x0155)},
|
|
{USB_DEVICE(0x05a9, 0x0519)},
|
|
{USB_DEVICE(0x05a9, 0x0530)},
|
|
{USB_DEVICE(0x05a9, 0x4519)},
|
|
{USB_DEVICE(0x05a9, 0x8519)},
|
|
{}
|
|
};
|
|
|
|
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,
|
|
#endif
|
|
};
|
|
|
|
/* -- module insert / remove -- */
|
|
static int __init sd_mod_init(void)
|
|
{
|
|
int ret;
|
|
ret = usb_register(&sd_driver);
|
|
if (ret < 0)
|
|
return ret;
|
|
PDEBUG(D_PROBE, "registered");
|
|
return 0;
|
|
}
|
|
static void __exit sd_mod_exit(void)
|
|
{
|
|
usb_deregister(&sd_driver);
|
|
PDEBUG(D_PROBE, "deregistered");
|
|
}
|
|
|
|
module_init(sd_mod_init);
|
|
module_exit(sd_mod_exit);
|
|
|
|
module_param(frame_rate, int, 0644);
|
|
MODULE_PARM_DESC(frame_rate, "Frame rate (5, 10, 15, 20 or 30 fps)");
|