ed47119fb7
A new image may start without any UVC EOF in the last packet of the previous image. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1010 lines
22 KiB
C
1010 lines
22 KiB
C
/*
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* ov534 gspca driver
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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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* 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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#define MODULE_NAME "ov534"
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#include "gspca.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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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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__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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#define SENSOR_OV772X 0
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#define SENSOR_OV965X 1
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};
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/* V4L2 controls supported by the driver */
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static struct ctrl sd_ctrls[] = {
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{640, 480, V4L2_PIX_FMT_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_JPEG,
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.priv = 0},
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};
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static const u8 bridge_init_ov722x[][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 },
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{ 0x34, 0x05 },
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{ 0xe3, 0x04 },
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{ 0x88, 0x00 },
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{ 0x89, 0x00 },
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{ 0x76, 0x00 },
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{ 0xe7, 0x2e },
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{ 0x31, 0xf9 },
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{ 0x25, 0x42 },
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{ 0x21, 0xf0 },
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{ 0x1c, 0x00 },
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{ 0x1d, 0x40 },
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{ 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
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{ 0x1d, 0x00 }, /* payload size */
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{ 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
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{ 0x1d, 0x58 }, /* frame size */
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{ 0x1d, 0x00 }, /* frame size */
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{ 0x1c, 0x0a },
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{ 0x1d, 0x08 }, /* turn on UVC header */
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{ 0x1d, 0x0e }, /* .. */
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{ 0x8d, 0x1c },
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{ 0x8e, 0x80 },
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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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};
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static const u8 sensor_init_ov722x[][2] = {
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{ 0x12, 0x80 },
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{ 0x11, 0x01 },
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{ 0x3d, 0x03 },
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{ 0x17, 0x26 },
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{ 0x18, 0xa0 },
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{ 0x19, 0x07 },
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{ 0x1a, 0xf0 },
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{ 0x32, 0x00 },
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{ 0x29, 0xa0 },
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{ 0x2c, 0xf0 },
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{ 0x65, 0x20 },
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{ 0x11, 0x01 },
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{ 0x42, 0x7f },
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{ 0x63, 0xe0 },
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{ 0x64, 0xff },
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{ 0x66, 0x00 },
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{ 0x13, 0xf0 },
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{ 0x0d, 0x41 },
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{ 0x0f, 0xc5 },
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{ 0x14, 0x11 },
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{ 0x22, 0x7f },
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{ 0x23, 0x03 },
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{ 0x24, 0x40 },
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{ 0x25, 0x30 },
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{ 0x26, 0xa1 },
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{ 0x2a, 0x00 },
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{ 0x2b, 0x00 },
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{ 0x6b, 0xaa },
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{ 0x13, 0xff },
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{ 0x90, 0x05 },
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{ 0x91, 0x01 },
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{ 0x92, 0x03 },
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{ 0x93, 0x00 },
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{ 0x94, 0x60 },
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{ 0x95, 0x3c },
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{ 0x96, 0x24 },
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{ 0x97, 0x1e },
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{ 0x98, 0x62 },
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{ 0x99, 0x80 },
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{ 0x9a, 0x1e },
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{ 0x9b, 0x08 },
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{ 0x9c, 0x20 },
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{ 0x9e, 0x81 },
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{ 0xa6, 0x04 },
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{ 0x7e, 0x0c },
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{ 0x7f, 0x16 },
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{ 0x80, 0x2a },
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{ 0x81, 0x4e },
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{ 0x82, 0x61 },
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{ 0x83, 0x6f },
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{ 0x84, 0x7b },
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{ 0x85, 0x86 },
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{ 0x86, 0x8e },
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{ 0x87, 0x97 },
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{ 0x88, 0xa4 },
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{ 0x89, 0xaf },
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{ 0x8a, 0xc5 },
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{ 0x8b, 0xd7 },
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{ 0x8c, 0xe8 },
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{ 0x8d, 0x20 },
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{ 0x0c, 0x90 },
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{ 0x2b, 0x00 },
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{ 0x22, 0x7f },
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{ 0x23, 0x03 },
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{ 0x11, 0x01 },
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{ 0x0c, 0xd0 },
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{ 0x64, 0xff },
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{ 0x0d, 0x41 },
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{ 0x14, 0x41 },
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{ 0x0e, 0xcd },
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{ 0xac, 0xbf },
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{ 0x8e, 0x00 },
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{ 0x0c, 0xd0 }
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};
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static const u8 bridge_init_ov965x[][2] = {
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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, 0x0a},
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{0x1d, 0x48},
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{0xc0, 0x50},
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{0xc1, 0x3c},
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{0x34, 0x05},
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{0xc2, 0x0c},
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{0xc3, 0xf9},
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{0x34, 0x05},
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{0xe7, 0x2e},
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{0x31, 0xf9},
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{0x35, 0x02},
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{0xd9, 0x10},
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{0x25, 0x42},
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{0x94, 0x11},
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};
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static const u8 sensor_init_ov965x[][2] = {
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{0x12, 0x80}, /* com7 - reset */
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{0x00, 0x00}, /* gain */
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{0x01, 0x80}, /* blue */
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{0x02, 0x80}, /* red */
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{0x03, 0x1b}, /* vref */
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{0x04, 0x03}, /* com1 - exposure low bits */
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{0x0b, 0x57}, /* ver */
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{0x0e, 0x61}, /* com5 */
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{0x0f, 0x42}, /* com6 */
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{0x11, 0x00}, /* clkrc */
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{0x12, 0x02}, /* com7 */
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{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
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{0x14, 0x28}, /* com9 */
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{0x16, 0x24}, /* rsvd16 */
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{0x17, 0x1d}, /* hstart*/
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{0x18, 0xbd}, /* hstop */
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{0x19, 0x01}, /* vstrt */
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{0x1a, 0x81}, /* vstop*/
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{0x1e, 0x04}, /* mvfp */
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{0x24, 0x3c}, /* aew */
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{0x25, 0x36}, /* aeb */
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{0x26, 0x71}, /* vpt */
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{0x27, 0x08}, /* bbias */
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{0x28, 0x08}, /* gbbias */
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{0x29, 0x15}, /* gr com */
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{0x2a, 0x00},
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{0x2b, 0x00},
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{0x2c, 0x08}, /* rbias */
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{0x32, 0xff}, /* href */
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{0x33, 0x00}, /* chlf */
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{0x34, 0x3f}, /* arblm */
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{0x35, 0x00}, /* rsvd35 */
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{0x36, 0xf8}, /* rsvd36 */
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{0x38, 0x72}, /* acom38 */
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{0x39, 0x57}, /* ofon */
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{0x3a, 0x80}, /* tslb */
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{0x3b, 0xc4},
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{0x3d, 0x99}, /* com13 */
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{0x3f, 0xc1},
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{0x40, 0xc0}, /* com15 */
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{0x41, 0x40}, /* com16 */
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{0x42, 0xc0},
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{0x43, 0x0a},
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{0x44, 0xf0},
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{0x45, 0x46},
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{0x46, 0x62},
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{0x47, 0x2a},
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{0x48, 0x3c},
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{0x4a, 0xfc},
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{0x4b, 0xfc},
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{0x4c, 0x7f},
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{0x4d, 0x7f},
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{0x4e, 0x7f},
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{0x4f, 0x98},
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{0x50, 0x98},
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{0x51, 0x00},
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{0x52, 0x28},
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{0x53, 0x70},
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{0x54, 0x98},
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{0x58, 0x1a},
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{0x59, 0x85},
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{0x5a, 0xa9},
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{0x5b, 0x64},
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{0x5c, 0x84},
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{0x5d, 0x53},
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{0x5e, 0x0e},
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{0x5f, 0xf0},
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{0x60, 0xf0},
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{0x61, 0xf0},
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{0x62, 0x00}, /* lcc1 */
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{0x63, 0x00}, /* lcc2 */
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{0x64, 0x02}, /* lcc3 */
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{0x65, 0x16}, /* lcc4 */
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{0x66, 0x01}, /* lcc5 */
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{0x69, 0x02}, /* hv */
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{0x6b, 0x5a}, /* dbvl */
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{0x6c, 0x04},
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{0x6d, 0x55},
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{0x6e, 0x00},
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{0x6f, 0x9d},
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{0x70, 0x21},
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{0x71, 0x78},
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{0x72, 0x00},
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{0x73, 0x01},
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{0x74, 0x3a},
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{0x75, 0x35},
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{0x76, 0x01},
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{0x77, 0x02},
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{0x7a, 0x12},
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{0x7b, 0x08},
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{0x7c, 0x16},
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{0x7d, 0x30},
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{0x7e, 0x5e},
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{0x7f, 0x72},
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{0x80, 0x82},
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{0x81, 0x8e},
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{0x82, 0x9a},
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{0x83, 0xa4},
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{0x84, 0xac},
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{0x85, 0xb8},
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{0x86, 0xc3},
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{0x87, 0xd6},
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{0x88, 0xe6},
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{0x89, 0xf2},
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{0x8a, 0x03},
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{0x8c, 0x89},
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{0x14, 0x28}, /* com9 */
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{0x90, 0x7d},
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{0x91, 0x7b},
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{0x9d, 0x03},
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{0x9e, 0x04},
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{0x9f, 0x7a},
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{0xa0, 0x79},
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{0xa1, 0x40}, /* aechm */
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{0xa4, 0x50},
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{0xa5, 0x68}, /* com26 */
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{0xa6, 0x4a},
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{0xa8, 0xc1}, /* acoma8 */
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{0xa9, 0xef}, /* acoma9 */
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{0xaa, 0x92},
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{0xab, 0x04},
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{0xac, 0x80},
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{0xad, 0x80},
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{0xae, 0x80},
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{0xaf, 0x80},
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{0xb2, 0xf2},
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{0xb3, 0x20},
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{0xb4, 0x20},
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{0xb5, 0x00},
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{0xb6, 0xaf},
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{0xbb, 0xae},
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{0xbc, 0x7f},
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{0xdb, 0x7f},
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{0xbe, 0x7f},
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{0xbf, 0x7f},
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{0xc0, 0xe2},
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{0xc1, 0xc0},
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{0xc2, 0x01},
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{0xc3, 0x4e},
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{0xc6, 0x85},
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{0xc7, 0x80},
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{0xc9, 0xe0},
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{0xca, 0xe8},
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{0xcb, 0xf0},
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{0xcc, 0xd8},
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{0xcd, 0xf1},
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{0x4f, 0x98},
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{0x50, 0x98},
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{0x51, 0x00},
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{0x52, 0x28},
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{0x53, 0x70},
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{0x54, 0x98},
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{0x58, 0x1a},
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{0xff, 0x41}, /* read 41, write ff 00 */
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{0x41, 0x40}, /* com16 */
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{0xc5, 0x03},
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{0x6a, 0x02},
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{0x12, 0x62}, /* com7 - VGA + CIF */
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{0x36, 0xfa}, /* rsvd36 */
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{0x69, 0x0a}, /* hv */
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{0x8c, 0x89}, /* com22 */
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{0x14, 0x28}, /* com9 */
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{0x3e, 0x0c},
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{0x41, 0x40}, /* com16 */
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{0x72, 0x00},
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{0x73, 0x00},
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{0x74, 0x3a},
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{0x75, 0x35},
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{0x76, 0x01},
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{0xc7, 0x80},
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{0x03, 0x12}, /* vref */
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{0x17, 0x16}, /* hstart */
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{0x18, 0x02}, /* hstop */
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{0x19, 0x01}, /* vstrt */
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{0x1a, 0x3d}, /* vstop */
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{0x32, 0xff}, /* href */
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{0xc0, 0xaa},
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};
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static const u8 bridge_init_ov965x_2[][2] = {
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{0x94, 0xaa},
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{0xf1, 0x60},
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{0xe5, 0x04},
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{0xc0, 0x50},
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{0xc1, 0x3c},
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{0x8c, 0x00},
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{0x8d, 0x1c},
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{0x34, 0x05},
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{0xc2, 0x0c},
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{0xc3, 0xf9},
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{0xda, 0x01},
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{0x50, 0x00},
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{0x51, 0xa0},
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{0x52, 0x3c},
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{0x53, 0x00},
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{0x54, 0x00},
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{0x55, 0x00},
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{0x57, 0x00},
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{0x5c, 0x00},
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{0x5a, 0xa0},
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{0x5b, 0x78},
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{0x35, 0x02},
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{0xd9, 0x10},
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{0x94, 0x11},
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};
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static const u8 sensor_init_ov965x_2[][2] = {
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{0x3b, 0xc4},
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{0x1e, 0x04}, /* mvfp */
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{0x13, 0xe0}, /* com8 */
|
|
{0x00, 0x00}, /* gain */
|
|
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
|
|
{0x11, 0x03}, /* clkrc */
|
|
{0x6b, 0x5a}, /* dblv */
|
|
{0x6a, 0x05},
|
|
{0xc5, 0x07},
|
|
{0xa2, 0x4b},
|
|
{0xa3, 0x3e},
|
|
{0x2d, 0x00},
|
|
{0xff, 0x42}, /* read 42, write ff 00 */
|
|
{0x42, 0xc0},
|
|
{0x2d, 0x00},
|
|
{0xff, 0x42}, /* read 42, write ff 00 */
|
|
{0x42, 0xc1},
|
|
{0x3f, 0x01},
|
|
{0xff, 0x42}, /* read 42, write ff 00 */
|
|
{0x42, 0xc1},
|
|
{0x4f, 0x98},
|
|
{0x50, 0x98},
|
|
{0x51, 0x00},
|
|
{0x52, 0x28},
|
|
{0x53, 0x70},
|
|
{0x54, 0x98},
|
|
{0x58, 0x1a},
|
|
{0xff, 0x41}, /* read 41, write ff 00 */
|
|
{0x41, 0x40}, /* com16 */
|
|
{0x56, 0x40},
|
|
{0x55, 0x8f},
|
|
{0x10, 0x25}, /* aech - exposure high bits */
|
|
{0xff, 0x13}, /* read 13, write ff 00 */
|
|
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
|
|
};
|
|
|
|
static const u8 bridge_start_ov965x[][2] = {
|
|
{0xc2, 0x4c},
|
|
{0xc3, 0xf9},
|
|
{0x50, 0x00},
|
|
{0x51, 0xa0},
|
|
{0x52, 0x78},
|
|
{0x53, 0x00},
|
|
{0x54, 0x00},
|
|
{0x55, 0x00},
|
|
{0x57, 0x00},
|
|
{0x5c, 0x00},
|
|
{0x5a, 0x28},
|
|
{0x5b, 0x1e},
|
|
{0x35, 0x00},
|
|
{0xd9, 0x21},
|
|
{0x94, 0x11},
|
|
};
|
|
|
|
static const u8 sensor_start_ov965x[][2] = {
|
|
{0x3b, 0xe4},
|
|
{0x1e, 0x04}, /* mvfp */
|
|
{0x13, 0xe0}, /* com8 */
|
|
{0x00, 0x00},
|
|
{0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
|
|
{0x11, 0x01}, /* clkrc */
|
|
{0x6b, 0x5a}, /* dblv */
|
|
{0x6a, 0x02},
|
|
{0xc5, 0x03},
|
|
{0xa2, 0x96},
|
|
{0xa3, 0x7d},
|
|
{0xff, 0x13}, /* read 13, write ff 00 */
|
|
{0x13, 0xe7},
|
|
{0x3a, 0x80},
|
|
{0xff, 0x42}, /* read 42, write ff 00 */
|
|
{0x42, 0xc1},
|
|
};
|
|
|
|
|
|
static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
|
|
{
|
|
struct usb_device *udev = gspca_dev->dev;
|
|
int ret;
|
|
|
|
PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", 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)
|
|
PDEBUG(D_ERR, "write failed");
|
|
}
|
|
|
|
static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
|
|
{
|
|
struct usb_device *udev = gspca_dev->dev;
|
|
int ret;
|
|
|
|
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);
|
|
PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
|
|
if (ret < 0)
|
|
PDEBUG(D_ERR, "read failed");
|
|
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;
|
|
|
|
PDEBUG(D_CONF, "led status: %d", 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++) {
|
|
data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
|
|
|
|
switch (data) {
|
|
case 0x00:
|
|
return 1;
|
|
case 0x04:
|
|
return 0;
|
|
case 0x03:
|
|
break;
|
|
default:
|
|
PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
|
|
data, i + 1);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
|
|
{
|
|
PDEBUG(D_USBO, "reg: 0x%02x, val: 0x%02x", 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))
|
|
PDEBUG(D_ERR, "sccb_reg_write failed");
|
|
}
|
|
|
|
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))
|
|
PDEBUG(D_ERR, "sccb_reg_read failed 1");
|
|
|
|
ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
|
|
if (!sccb_check_status(gspca_dev))
|
|
PDEBUG(D_ERR, "sccb_reg_read failed 2");
|
|
|
|
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++;
|
|
}
|
|
}
|
|
|
|
/* set framerate */
|
|
static void ov534_set_frame_rate(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int fr = sd->frame_rate;
|
|
|
|
switch (fr) {
|
|
case 50:
|
|
sccb_reg_write(gspca_dev, 0x11, 0x01);
|
|
sccb_reg_write(gspca_dev, 0x0d, 0x41);
|
|
ov534_reg_write(gspca_dev, 0xe5, 0x02);
|
|
break;
|
|
case 40:
|
|
sccb_reg_write(gspca_dev, 0x11, 0x02);
|
|
sccb_reg_write(gspca_dev, 0x0d, 0xc1);
|
|
ov534_reg_write(gspca_dev, 0xe5, 0x04);
|
|
break;
|
|
/* case 30: */
|
|
default:
|
|
fr = 30;
|
|
sccb_reg_write(gspca_dev, 0x11, 0x04);
|
|
sccb_reg_write(gspca_dev, 0x0d, 0x81);
|
|
ov534_reg_write(gspca_dev, 0xe5, 0x02);
|
|
break;
|
|
case 15:
|
|
sccb_reg_write(gspca_dev, 0x11, 0x03);
|
|
sccb_reg_write(gspca_dev, 0x0d, 0x41);
|
|
ov534_reg_write(gspca_dev, 0xe5, 0x04);
|
|
break;
|
|
}
|
|
|
|
sd->frame_rate = fr;
|
|
PDEBUG(D_PROBE, "frame_rate: %d", fr);
|
|
}
|
|
|
|
/* 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;
|
|
|
|
sd->sensor = id->driver_info;
|
|
|
|
cam = &gspca_dev->cam;
|
|
|
|
cam->cam_mode = vga_mode;
|
|
cam->nmodes = ARRAY_SIZE(vga_mode);
|
|
|
|
if (sd->sensor == SENSOR_OV772X) {
|
|
cam->bulk = 1;
|
|
cam->bulk_size = 16384;
|
|
cam->bulk_nurbs = 2;
|
|
}
|
|
|
|
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 u8 sensor_addr[2] = {
|
|
0x42, /* 0 SENSOR_OV772X */
|
|
0x60, /* 1 SENSOR_OV965X */
|
|
};
|
|
|
|
/* 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,
|
|
sensor_addr[sd->sensor]);
|
|
|
|
/* 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);
|
|
PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
|
|
|
|
/* initialize */
|
|
switch (sd->sensor) {
|
|
case SENSOR_OV772X:
|
|
reg_w_array(gspca_dev, bridge_init_ov722x,
|
|
ARRAY_SIZE(bridge_init_ov722x));
|
|
ov534_set_led(gspca_dev, 1);
|
|
sccb_w_array(gspca_dev, sensor_init_ov722x,
|
|
ARRAY_SIZE(sensor_init_ov722x));
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x09);
|
|
ov534_set_led(gspca_dev, 0);
|
|
ov534_set_frame_rate(gspca_dev);
|
|
break;
|
|
default:
|
|
/* case SENSOR_OV965X: */
|
|
reg_w_array(gspca_dev, bridge_init_ov965x,
|
|
ARRAY_SIZE(bridge_init_ov965x));
|
|
sccb_w_array(gspca_dev, sensor_init_ov965x,
|
|
ARRAY_SIZE(sensor_init_ov965x));
|
|
reg_w_array(gspca_dev, bridge_init_ov965x_2,
|
|
ARRAY_SIZE(bridge_init_ov965x_2));
|
|
sccb_w_array(gspca_dev, sensor_init_ov965x_2,
|
|
ARRAY_SIZE(sensor_init_ov965x_2));
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x00);
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x01);
|
|
ov534_set_led(gspca_dev, 0);
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x00);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
switch (sd->sensor) {
|
|
case SENSOR_OV772X:
|
|
ov534_set_led(gspca_dev, 1);
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x00);
|
|
break;
|
|
default:
|
|
/* case SENSOR_OV965X: */
|
|
reg_w_array(gspca_dev, bridge_start_ov965x,
|
|
ARRAY_SIZE(bridge_start_ov965x));
|
|
sccb_w_array(gspca_dev, sensor_start_ov965x,
|
|
ARRAY_SIZE(sensor_start_ov965x));
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x00);
|
|
ov534_set_led(gspca_dev, 1);
|
|
/*fixme: other sensor start omitted*/
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
switch (sd->sensor) {
|
|
case SENSOR_OV772X:
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x09);
|
|
ov534_set_led(gspca_dev, 0);
|
|
break;
|
|
default:
|
|
/* case SENSOR_OV965X: */
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x01);
|
|
ov534_set_led(gspca_dev, 0);
|
|
ov534_reg_write(gspca_dev, 0xe0, 0x00);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* 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, struct gspca_frame *frame,
|
|
__u8 *data, int len)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
__u32 this_pts;
|
|
u16 this_fid;
|
|
int remaining_len = len;
|
|
|
|
do {
|
|
len = min(remaining_len, 2040); /*fixme: was 2048*/
|
|
|
|
/* 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) {
|
|
PDEBUG(D_PACK, "bad header");
|
|
goto discard;
|
|
}
|
|
|
|
/* Check errors */
|
|
if (data[1] & UVC_STREAM_ERR) {
|
|
PDEBUG(D_PACK, "payload error");
|
|
goto discard;
|
|
}
|
|
|
|
/* Extract PTS and FID */
|
|
if (!(data[1] & UVC_STREAM_PTS)) {
|
|
PDEBUG(D_PACK, "PTS not present");
|
|
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)
|
|
frame = gspca_frame_add(gspca_dev,
|
|
LAST_PACKET, frame,
|
|
NULL, 0);
|
|
sd->last_pts = this_pts;
|
|
sd->last_fid = this_fid;
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
|
|
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 (frame->data_end - frame->data !=
|
|
gspca_dev->width * gspca_dev->height * 2) {
|
|
PDEBUG(D_PACK, "short frame");
|
|
goto discard;
|
|
}
|
|
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
|
|
data + 12, len - 12);
|
|
} else {
|
|
|
|
/* Add the data from this payload */
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, frame,
|
|
data + 12, len - 12);
|
|
}
|
|
|
|
|
|
/* Done this payload */
|
|
goto scan_next;
|
|
|
|
discard:
|
|
/* Discard data until a new frame starts. */
|
|
gspca_frame_add(gspca_dev, DISCARD_PACKET, frame, NULL, 0);
|
|
|
|
scan_next:
|
|
remaining_len -= len;
|
|
data += len;
|
|
} while (remaining_len > 0);
|
|
}
|
|
|
|
/* get stream parameters (framerate) */
|
|
static int 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;
|
|
|
|
if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
cp->capability |= V4L2_CAP_TIMEPERFRAME;
|
|
tpf->numerator = 1;
|
|
tpf->denominator = sd->frame_rate;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* set stream parameters (framerate) */
|
|
static int 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 (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
/* Set requested framerate */
|
|
sd->frame_rate = tpf->denominator / tpf->numerator;
|
|
ov534_set_frame_rate(gspca_dev);
|
|
|
|
/* Return the actual framerate */
|
|
tpf->numerator = 1;
|
|
tpf->denominator = sd->frame_rate;
|
|
|
|
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,
|
|
.get_streamparm = sd_get_streamparm,
|
|
.set_streamparm = sd_set_streamparm,
|
|
};
|
|
|
|
/* -- module initialisation -- */
|
|
static const __devinitdata struct usb_device_id device_table[] = {
|
|
{USB_DEVICE(0x06f8, 0x3003), .driver_info = SENSOR_OV965X},
|
|
{USB_DEVICE(0x1415, 0x2000), .driver_info = SENSOR_OV772X},
|
|
{}
|
|
};
|
|
|
|
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);
|