2009-01-16 03:36:14 -05:00
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/*
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* Mars MR97310A library
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*
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* Copyright (C) 2009 Kyle Guinn <elyk03@gmail.com>
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*
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2009-08-14 05:51:52 -04:00
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* Support for the MR97310A cameras in addition to the Aiptek Pencam VGA+
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* and for the routines for detecting and classifying these various cameras,
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*
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* Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
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*
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* Acknowledgements:
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*
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* The MR97311A support in gspca/mars.c has been helpful in understanding some
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* of the registers in these cameras.
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*
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* Hans de Goede <hdgoede@redhat.com> and
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* Thomas Kaiser <thomas@kaiser-linux.li>
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* have assisted with their experience. Each of them has also helped by
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* testing a previously unsupported camera.
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*
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2009-01-16 03:36:14 -05:00
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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 "mr97310a"
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#include "gspca.h"
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2009-08-14 05:51:52 -04:00
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#define CAM_TYPE_CIF 0
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#define CAM_TYPE_VGA 1
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#define MR97310A_BRIGHTNESS_MIN -254
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#define MR97310A_BRIGHTNESS_MAX 255
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#define MR97310A_BRIGHTNESS_DEFAULT 0
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#define MR97310A_EXPOSURE_MIN 300
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#define MR97310A_EXPOSURE_MAX 4095
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#define MR97310A_EXPOSURE_DEFAULT 1000
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#define MR97310A_GAIN_MIN 0
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#define MR97310A_GAIN_MAX 31
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#define MR97310A_GAIN_DEFAULT 25
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MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>,"
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"Theodore Kilgore <kilgota@auburn.edu>");
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2009-01-16 03:36:14 -05:00
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MODULE_DESCRIPTION("GSPCA/Mars-Semi MR97310A 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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u8 sof_read;
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2009-08-14 05:51:52 -04:00
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u8 cam_type; /* 0 is CIF and 1 is VGA */
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u8 sensor_type; /* We use 0 and 1 here, too. */
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u8 do_lcd_stop;
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int brightness;
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u16 exposure;
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u8 gain;
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2009-01-16 03:36:14 -05:00
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};
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2009-08-14 05:51:52 -04:00
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struct sensor_w_data {
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u8 reg;
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u8 flags;
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u8 data[16];
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int len;
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};
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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_setexposure(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
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2009-08-14 09:15:52 -04:00
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static void setbrightness(struct gspca_dev *gspca_dev);
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static void setexposure(struct gspca_dev *gspca_dev);
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static void setgain(struct gspca_dev *gspca_dev);
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2009-08-14 05:51:52 -04:00
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2009-01-16 03:36:14 -05:00
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/* V4L2 controls supported by the driver */
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static struct ctrl sd_ctrls[] = {
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2009-08-14 05:51:52 -04:00
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{
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2009-08-14 09:15:52 -04:00
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#define BRIGHTNESS_IDX 0
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2009-08-14 05:51:52 -04:00
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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 = MR97310A_BRIGHTNESS_MIN,
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.maximum = MR97310A_BRIGHTNESS_MAX,
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.step = 1,
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.default_value = MR97310A_BRIGHTNESS_DEFAULT,
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.flags = 0,
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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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2009-08-14 09:15:52 -04:00
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#define EXPOSURE_IDX 1
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2009-08-14 05:51:52 -04:00
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{
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.id = V4L2_CID_EXPOSURE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Exposure",
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.minimum = MR97310A_EXPOSURE_MIN,
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.maximum = MR97310A_EXPOSURE_MAX,
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.step = 1,
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.default_value = MR97310A_EXPOSURE_DEFAULT,
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.flags = 0,
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},
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.set = sd_setexposure,
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.get = sd_getexposure,
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},
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{
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2009-08-14 09:15:52 -04:00
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#define GAIN_IDX 2
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2009-08-14 05:51:52 -04:00
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{
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.id = V4L2_CID_GAIN,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Gain",
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.minimum = MR97310A_GAIN_MIN,
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.maximum = MR97310A_GAIN_MAX,
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.step = 1,
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.default_value = MR97310A_GAIN_DEFAULT,
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.flags = 0,
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},
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.set = sd_setgain,
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.get = sd_getgain,
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},
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2009-01-16 03:36:14 -05:00
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{160, 120, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 4},
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{176, 144, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 176,
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.sizeimage = 176 * 144,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 3},
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{320, 240, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2},
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{352, 288, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 352,
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.sizeimage = 352 * 288,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{640, 480, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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/* the bytes to write are in gspca_dev->usb_buf */
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static int mr_write(struct gspca_dev *gspca_dev, int len)
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2009-01-16 03:36:14 -05:00
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{
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int rc;
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rc = usb_bulk_msg(gspca_dev->dev,
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usb_sndbulkpipe(gspca_dev->dev, 4),
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gspca_dev->usb_buf, len, NULL, 500);
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2009-01-16 03:36:14 -05:00
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if (rc < 0)
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PDEBUG(D_ERR, "reg write [%02x] error %d",
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gspca_dev->usb_buf[0], rc);
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return rc;
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}
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2009-08-14 05:51:52 -04:00
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/* the bytes are read into gspca_dev->usb_buf */
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static int mr_read(struct gspca_dev *gspca_dev, int len)
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{
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int rc;
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rc = usb_bulk_msg(gspca_dev->dev,
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usb_rcvbulkpipe(gspca_dev->dev, 3),
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gspca_dev->usb_buf, len, NULL, 500);
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if (rc < 0)
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PDEBUG(D_ERR, "reg read [%02x] error %d",
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gspca_dev->usb_buf[0], rc);
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return rc;
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}
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static int sensor_write_reg(struct gspca_dev *gspca_dev, u8 reg, u8 flags,
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const u8 *data, int len)
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{
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gspca_dev->usb_buf[0] = 0x1f;
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gspca_dev->usb_buf[1] = flags;
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gspca_dev->usb_buf[2] = reg;
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memcpy(gspca_dev->usb_buf + 3, data, len);
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return mr_write(gspca_dev, len + 3);
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}
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static int sensor_write_regs(struct gspca_dev *gspca_dev,
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const struct sensor_w_data *data, int len)
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{
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int i, rc;
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for (i = 0; i < len; i++) {
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rc = sensor_write_reg(gspca_dev, data[i].reg, data[i].flags,
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data[i].data, data[i].len);
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if (rc < 0)
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return rc;
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}
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return 0;
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}
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static int sensor_write1(struct gspca_dev *gspca_dev, u8 reg, u8 data)
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{
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u8 buf;
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int rc;
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buf = data;
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rc = sensor_write_reg(gspca_dev, reg, 0x01, &buf, 1);
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if (rc < 0)
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return rc;
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buf = 0x01;
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rc = sensor_write_reg(gspca_dev, 0x13, 0x00, &buf, 1);
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if (rc < 0)
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return rc;
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return 0;
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}
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static int cam_get_response16(struct gspca_dev *gspca_dev)
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{
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__u8 *data = gspca_dev->usb_buf;
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int err_code;
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data[0] = 0x21;
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err_code = mr_write(gspca_dev, 1);
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if (err_code < 0)
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return err_code;
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err_code = mr_read(gspca_dev, 16);
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return err_code;
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}
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static int zero_the_pointer(struct gspca_dev *gspca_dev)
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{
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__u8 *data = gspca_dev->usb_buf;
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int err_code;
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u8 status = 0;
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int tries = 0;
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err_code = cam_get_response16(gspca_dev);
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if (err_code < 0)
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return err_code;
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err_code = mr_write(gspca_dev, 1);
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data[0] = 0x19;
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data[1] = 0x51;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev);
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if (err_code < 0)
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return err_code;
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data[0] = 0x19;
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data[1] = 0xba;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev);
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if (err_code < 0)
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return err_code;
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data[0] = 0x19;
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data[1] = 0x00;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev);
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if (err_code < 0)
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return err_code;
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data[0] = 0x19;
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data[1] = 0x00;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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while (status != 0x0a && tries < 256) {
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err_code = cam_get_response16(gspca_dev);
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status = data[0];
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tries++;
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if (err_code < 0)
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return err_code;
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}
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PDEBUG(D_ERR, "status is %02x", status);
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tries = 0;
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while (tries < 4) {
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data[0] = 0x19;
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data[1] = 0x00;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev);
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status = data[0];
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tries++;
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if (err_code < 0)
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return err_code;
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}
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PDEBUG(D_ERR, "Read 16 bytes from camera");
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data[0] = 0x19;
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err_code = mr_write(gspca_dev, 1);
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if (err_code < 0)
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return err_code;
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err_code = mr_read(gspca_dev, 16);
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if (err_code < 0)
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return err_code;
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return 0;
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}
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static u8 get_sensor_id(struct gspca_dev *gspca_dev)
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{
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int err_code;
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gspca_dev->usb_buf[0] = 0x1e;
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err_code = mr_write(gspca_dev, 1);
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if (err_code < 0)
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|
return err_code;
|
|
|
|
|
|
|
|
err_code = mr_read(gspca_dev, 16);
|
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
|
|
|
PDEBUG(D_ERR, "Read 16 bytes from camera");
|
|
|
|
PDEBUG(D_ERR, "Byte zero reported is %01x", gspca_dev->usb_buf[0]);
|
|
|
|
|
|
|
|
return gspca_dev->usb_buf[0];
|
|
|
|
}
|
|
|
|
|
2009-01-16 03:36:14 -05:00
|
|
|
/* this function is called at probe time */
|
|
|
|
static int sd_config(struct gspca_dev *gspca_dev,
|
|
|
|
const struct usb_device_id *id)
|
|
|
|
{
|
2009-08-14 05:51:52 -04:00
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
2009-01-16 03:36:14 -05:00
|
|
|
struct cam *cam;
|
2009-08-14 09:40:26 -04:00
|
|
|
__u8 *data = gspca_dev->usb_buf;
|
|
|
|
int err_code;
|
2009-01-16 03:36:14 -05:00
|
|
|
|
|
|
|
cam = &gspca_dev->cam;
|
|
|
|
cam->cam_mode = vga_mode;
|
|
|
|
cam->nmodes = ARRAY_SIZE(vga_mode);
|
2009-08-14 09:15:52 -04:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
PDEBUG(D_PROBE,
|
|
|
|
"MR97310A camera detected"
|
|
|
|
" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
|
2009-08-14 09:15:52 -04:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
if (id->idProduct == 0x010e) {
|
|
|
|
sd->cam_type = CAM_TYPE_CIF;
|
2009-08-14 09:15:52 -04:00
|
|
|
cam->nmodes--;
|
2009-08-14 09:40:26 -04:00
|
|
|
|
|
|
|
data[0] = 0x01;
|
|
|
|
data[1] = 0x01;
|
|
|
|
err_code = mr_write(gspca_dev, 2);
|
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
|
|
|
msleep(200);
|
|
|
|
data[0] = get_sensor_id(gspca_dev);
|
|
|
|
/*
|
|
|
|
* Known CIF cameras. If you have another to report, please do
|
|
|
|
*
|
|
|
|
* Name byte just read sd->sensor_type
|
|
|
|
* reported by
|
|
|
|
* Sakar Spy-shot 0x28 T. Kilgore 0
|
|
|
|
* Innovage 0xf5 (unstable) T. Kilgore 0
|
|
|
|
* Vivitar Mini 0x53 H. De Goede 0
|
|
|
|
* Vivitar Mini 0x08 T. Kilgore 1
|
|
|
|
* Elta-Media 8212dc 0x23 T. Kaiser 1
|
|
|
|
* Philips dig. keych. 0x37 T. Kilgore 1
|
|
|
|
*/
|
|
|
|
if ((data[0] & 0x78) == 8 ||
|
|
|
|
((data[0] & 0x2) == 0x2 && data[0] != 0x53))
|
|
|
|
sd->sensor_type = 1;
|
|
|
|
else
|
|
|
|
sd->sensor_type = 0;
|
|
|
|
|
|
|
|
PDEBUG(D_ERR, "Sensor type is %01x", sd->sensor_type);
|
|
|
|
|
|
|
|
if (sd->sensor_type == 0)
|
|
|
|
gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX) |
|
|
|
|
(1 << EXPOSURE_IDX) | (1 << GAIN_IDX);
|
2009-08-14 09:15:52 -04:00
|
|
|
} else {
|
|
|
|
sd->cam_type = CAM_TYPE_VGA;
|
|
|
|
gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX) |
|
|
|
|
(1 << EXPOSURE_IDX) | (1 << GAIN_IDX);
|
2009-08-14 05:51:52 -04:00
|
|
|
}
|
2009-08-14 09:15:52 -04:00
|
|
|
|
|
|
|
sd->brightness = MR97310A_BRIGHTNESS_DEFAULT;
|
|
|
|
sd->exposure = MR97310A_EXPOSURE_DEFAULT;
|
|
|
|
sd->gain = MR97310A_GAIN_DEFAULT;
|
|
|
|
|
2009-01-16 03:36:14 -05:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* this function is called at probe and resume time */
|
|
|
|
static int sd_init(struct gspca_dev *gspca_dev)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
static int start_cif_cam(struct gspca_dev *gspca_dev)
|
2009-01-16 03:36:14 -05:00
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
__u8 *data = gspca_dev->usb_buf;
|
|
|
|
int err_code;
|
2009-08-14 05:51:52 -04:00
|
|
|
const __u8 startup_string[] = {
|
|
|
|
0x00,
|
|
|
|
0x0d,
|
|
|
|
0x01,
|
|
|
|
0x00, /* Hsize/8 for 352 or 320 */
|
|
|
|
0x00, /* Vsize/4 for 288 or 240 */
|
|
|
|
0x13, /* or 0xbb, depends on sensor */
|
|
|
|
0x00, /* Hstart, depends on res. */
|
|
|
|
0x00, /* reserved ? */
|
|
|
|
0x00, /* Vstart, depends on res. and sensor */
|
|
|
|
0x50, /* 0x54 to get 176 or 160 */
|
|
|
|
0xc0
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Note: Some of the above descriptions guessed from MR97113A driver */
|
2009-01-16 03:36:14 -05:00
|
|
|
data[0] = 0x01;
|
|
|
|
data[1] = 0x01;
|
2009-08-14 05:51:52 -04:00
|
|
|
err_code = mr_write(gspca_dev, 2);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
memcpy(data, startup_string, 11);
|
|
|
|
if (sd->sensor_type)
|
|
|
|
data[5] = 0xbb;
|
2009-01-16 03:36:14 -05:00
|
|
|
|
|
|
|
switch (gspca_dev->width) {
|
|
|
|
case 160:
|
2009-08-14 05:51:52 -04:00
|
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down from 320 */
|
2009-01-16 03:36:14 -05:00
|
|
|
/* fall thru */
|
|
|
|
case 320:
|
|
|
|
default:
|
2009-08-14 05:51:52 -04:00
|
|
|
data[3] = 0x28; /* reg 2, H size/8 */
|
|
|
|
data[4] = 0x3c; /* reg 3, V size/4 */
|
|
|
|
data[6] = 0x14; /* reg 5, H start */
|
|
|
|
data[8] = 0x1a + sd->sensor_type; /* reg 7, V start */
|
2009-01-16 03:36:14 -05:00
|
|
|
break;
|
|
|
|
case 176:
|
2009-08-14 05:51:52 -04:00
|
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down from 352 */
|
2009-01-16 03:36:14 -05:00
|
|
|
/* fall thru */
|
|
|
|
case 352:
|
2009-08-14 05:51:52 -04:00
|
|
|
data[3] = 0x2c; /* reg 2, H size/8 */
|
|
|
|
data[4] = 0x48; /* reg 3, V size/4 */
|
|
|
|
data[6] = 0x06; /* reg 5, H start */
|
|
|
|
data[8] = 0x06 + sd->sensor_type; /* reg 7, V start */
|
2009-01-16 03:36:14 -05:00
|
|
|
break;
|
|
|
|
}
|
2009-08-14 05:51:52 -04:00
|
|
|
err_code = mr_write(gspca_dev, 11);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
if (!sd->sensor_type) {
|
|
|
|
const struct sensor_w_data cif_sensor0_init_data[] = {
|
|
|
|
{0x02, 0x00, {0x03, 0x5a, 0xb5, 0x01,
|
|
|
|
0x0f, 0x14, 0x0f, 0x10}, 8},
|
|
|
|
{0x0c, 0x00, {0x04, 0x01, 0x01, 0x00, 0x1f}, 5},
|
|
|
|
{0x12, 0x00, {0x07}, 1},
|
|
|
|
{0x1f, 0x00, {0x06}, 1},
|
|
|
|
{0x27, 0x00, {0x04}, 1},
|
|
|
|
{0x29, 0x00, {0x0c}, 1},
|
|
|
|
{0x40, 0x00, {0x40, 0x00, 0x04}, 3},
|
|
|
|
{0x50, 0x00, {0x60}, 1},
|
|
|
|
{0x60, 0x00, {0x06}, 1},
|
|
|
|
{0x6b, 0x00, {0x85, 0x85, 0xc8, 0xc8, 0xc8, 0xc8}, 6},
|
|
|
|
{0x72, 0x00, {0x1e, 0x56}, 2},
|
|
|
|
{0x75, 0x00, {0x58, 0x40, 0xa2, 0x02, 0x31, 0x02,
|
|
|
|
0x31, 0x80, 0x00}, 9},
|
|
|
|
{0x11, 0x00, {0x01}, 1},
|
|
|
|
{0, 0, {0}, 0}
|
|
|
|
};
|
|
|
|
err_code = sensor_write_regs(gspca_dev, cif_sensor0_init_data,
|
|
|
|
ARRAY_SIZE(cif_sensor0_init_data));
|
|
|
|
} else { /* sd->sensor_type = 1 */
|
|
|
|
const struct sensor_w_data cif_sensor1_init_data[] = {
|
2009-08-14 09:15:52 -04:00
|
|
|
/* Reg 3,4, 7,8 get set by the controls */
|
2009-08-14 05:51:52 -04:00
|
|
|
{0x02, 0x00, {0x10}, 1},
|
2009-08-14 09:15:52 -04:00
|
|
|
{0x05, 0x01, {0x22}, 1}, /* 5/6 also seen as 65h/32h */
|
|
|
|
{0x06, 0x01, {0x00}, 1},
|
2009-08-14 05:51:52 -04:00
|
|
|
{0x09, 0x02, {0x0e}, 1},
|
|
|
|
{0x0a, 0x02, {0x05}, 1},
|
|
|
|
{0x0b, 0x02, {0x05}, 1},
|
|
|
|
{0x0c, 0x02, {0x0f}, 1},
|
2009-08-14 09:15:52 -04:00
|
|
|
{0x0d, 0x02, {0x07}, 1},
|
2009-08-14 05:51:52 -04:00
|
|
|
{0x0e, 0x02, {0x0c}, 1},
|
|
|
|
{0x0f, 0x00, {0x00}, 1},
|
|
|
|
{0x10, 0x00, {0x06}, 1},
|
|
|
|
{0x11, 0x00, {0x07}, 1},
|
|
|
|
{0x12, 0x00, {0x00}, 1},
|
|
|
|
{0x13, 0x00, {0x01}, 1},
|
|
|
|
{0, 0, {0}, 0}
|
|
|
|
};
|
|
|
|
err_code = sensor_write_regs(gspca_dev, cif_sensor1_init_data,
|
|
|
|
ARRAY_SIZE(cif_sensor1_init_data));
|
|
|
|
}
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 09:15:52 -04:00
|
|
|
setbrightness(gspca_dev);
|
|
|
|
setexposure(gspca_dev);
|
|
|
|
setgain(gspca_dev);
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
msleep(200);
|
2009-08-14 09:15:52 -04:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
data[0] = 0x00;
|
|
|
|
data[1] = 0x4d; /* ISOC transfering enable... */
|
|
|
|
err_code = mr_write(gspca_dev, 2);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
return 0;
|
|
|
|
}
|
2009-01-16 03:36:14 -05:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
static int start_vga_cam(struct gspca_dev *gspca_dev)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
__u8 *data = gspca_dev->usb_buf;
|
|
|
|
int err_code;
|
|
|
|
const __u8 startup_string[] = {0x00, 0x0d, 0x01, 0x00, 0x00, 0x2b,
|
|
|
|
0x00, 0x00, 0x00, 0x50, 0xc0};
|
2009-01-16 03:36:14 -05:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
/* What some of these mean is explained in start_cif_cam(), above */
|
|
|
|
sd->sof_read = 0;
|
2009-01-16 03:36:14 -05:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
/*
|
|
|
|
* We have to know which camera we have, because the register writes
|
|
|
|
* depend upon the camera. This test, run before we actually enter
|
|
|
|
* the initialization routine, distinguishes most of the cameras, If
|
|
|
|
* needed, another routine is done later, too.
|
|
|
|
*/
|
|
|
|
memset(data, 0, 16);
|
|
|
|
data[0] = 0x20;
|
|
|
|
err_code = mr_write(gspca_dev, 1);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
err_code = mr_read(gspca_dev, 16);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
PDEBUG(D_ERR, "Read 16 bytes from camera");
|
|
|
|
PDEBUG(D_ERR, "Byte reported is %02x", data[0]);
|
2009-01-16 03:36:14 -05:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
msleep(200);
|
|
|
|
/*
|
|
|
|
* Known VGA cameras. If you have another to report, please do
|
|
|
|
*
|
|
|
|
* Name byte just read sd->sensor_type
|
|
|
|
* sd->do_lcd_stop
|
|
|
|
* Aiptek Pencam VGA+ 0x31 0 1
|
|
|
|
* ION digital 0x31 0 1
|
|
|
|
* Argus DC-1620 0x30 1 0
|
|
|
|
* Argus QuickClix 0x30 1 1 (not caught here)
|
|
|
|
*/
|
|
|
|
sd->sensor_type = data[0] & 1;
|
|
|
|
sd->do_lcd_stop = (~data[0]) & 1;
|
2009-01-16 03:36:14 -05:00
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
|
|
|
|
|
|
|
|
/* Streaming setup begins here. */
|
|
|
|
|
|
|
|
|
|
|
|
data[0] = 0x01;
|
|
|
|
data[1] = 0x01;
|
|
|
|
err_code = mr_write(gspca_dev, 2);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
/*
|
|
|
|
* A second test can now resolve any remaining ambiguity in the
|
|
|
|
* identification of the camera type,
|
|
|
|
*/
|
|
|
|
if (!sd->sensor_type) {
|
|
|
|
data[0] = get_sensor_id(gspca_dev);
|
|
|
|
if (data[0] == 0x7f) {
|
|
|
|
sd->sensor_type = 1;
|
|
|
|
PDEBUG(D_ERR, "sensor_type corrected to 1");
|
|
|
|
}
|
|
|
|
msleep(200);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Known VGA cameras.
|
|
|
|
* This test is only run if the previous test returned 0x30, but
|
|
|
|
* here is the information for all others, too, just for reference.
|
|
|
|
*
|
|
|
|
* Name byte just read sd->sensor_type
|
|
|
|
*
|
|
|
|
* Aiptek Pencam VGA+ 0xfb (this test not run) 1
|
|
|
|
* ION digital 0xbd (this test not run) 1
|
|
|
|
* Argus DC-1620 0xe5 (no change) 0
|
|
|
|
* Argus QuickClix 0x7f (reclassified) 1
|
|
|
|
*/
|
|
|
|
memcpy(data, startup_string, 11);
|
|
|
|
if (!sd->sensor_type) {
|
|
|
|
data[5] = 0x00;
|
|
|
|
data[10] = 0x91;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (gspca_dev->width) {
|
|
|
|
case 160:
|
|
|
|
data[9] |= 0x0c; /* reg 8, 4:1 scale down */
|
|
|
|
/* fall thru */
|
|
|
|
case 320:
|
|
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down */
|
|
|
|
/* fall thru */
|
|
|
|
case 640:
|
|
|
|
default:
|
|
|
|
data[3] = 0x50; /* reg 2, H size/8 */
|
|
|
|
data[4] = 0x78; /* reg 3, V size/4 */
|
|
|
|
data[6] = 0x04; /* reg 5, H start */
|
|
|
|
data[8] = 0x03; /* reg 7, V start */
|
|
|
|
if (sd->do_lcd_stop)
|
|
|
|
data[8] = 0x04; /* Bayer tile shifted */
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 176:
|
|
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down */
|
|
|
|
/* fall thru */
|
|
|
|
case 352:
|
|
|
|
data[3] = 0x2c; /* reg 2, H size */
|
|
|
|
data[4] = 0x48; /* reg 3, V size */
|
|
|
|
data[6] = 0x94; /* reg 5, H start */
|
|
|
|
data[8] = 0x63; /* reg 7, V start */
|
|
|
|
if (sd->do_lcd_stop)
|
|
|
|
data[8] = 0x64; /* Bayer tile shifted */
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
err_code = mr_write(gspca_dev, 11);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
if (!sd->sensor_type) {
|
|
|
|
/* The only known sensor_type 0 cam is the Argus DC-1620 */
|
|
|
|
const struct sensor_w_data vga_sensor0_init_data[] = {
|
|
|
|
{0x01, 0x00, {0x0c, 0x00, 0x04}, 3},
|
|
|
|
{0x14, 0x00, {0x01, 0xe4, 0x02, 0x84}, 4},
|
|
|
|
{0x20, 0x00, {0x00, 0x80, 0x00, 0x08}, 4},
|
|
|
|
{0x25, 0x00, {0x03, 0xa9, 0x80}, 3},
|
|
|
|
{0x30, 0x00, {0x30, 0x18, 0x10, 0x18}, 4},
|
|
|
|
{0, 0, {0}, 0}
|
|
|
|
};
|
|
|
|
err_code = sensor_write_regs(gspca_dev, vga_sensor0_init_data,
|
|
|
|
ARRAY_SIZE(vga_sensor0_init_data));
|
|
|
|
} else { /* sd->sensor_type = 1 */
|
|
|
|
const struct sensor_w_data vga_sensor1_init_data[] = {
|
|
|
|
{0x02, 0x00, {0x06, 0x59, 0x0c, 0x16, 0x00,
|
|
|
|
0x07, 0x00, 0x01}, 8},
|
|
|
|
{0x11, 0x04, {0x01}, 1},
|
|
|
|
/*{0x0a, 0x00, {0x00, 0x01, 0x00, 0x00, 0x01, */
|
|
|
|
{0x0a, 0x00, {0x01, 0x06, 0x00, 0x00, 0x01,
|
|
|
|
0x00, 0x0a}, 7},
|
|
|
|
{0x11, 0x04, {0x01}, 1},
|
|
|
|
{0x12, 0x00, {0x00, 0x63, 0x00, 0x70, 0x00, 0x00}, 6},
|
|
|
|
{0x11, 0x04, {0x01}, 1},
|
|
|
|
{0, 0, {0}, 0}
|
|
|
|
};
|
|
|
|
err_code = sensor_write_regs(gspca_dev, vga_sensor1_init_data,
|
|
|
|
ARRAY_SIZE(vga_sensor1_init_data));
|
|
|
|
}
|
2009-01-16 03:36:14 -05:00
|
|
|
if (err_code < 0)
|
|
|
|
return err_code;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
msleep(200);
|
2009-01-16 03:36:14 -05:00
|
|
|
data[0] = 0x00;
|
|
|
|
data[1] = 0x4d; /* ISOC transfering enable... */
|
2009-08-14 05:51:52 -04:00
|
|
|
err_code = mr_write(gspca_dev, 2);
|
|
|
|
|
|
|
|
return err_code;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
int err_code;
|
|
|
|
struct cam *cam;
|
|
|
|
|
|
|
|
cam = &gspca_dev->cam;
|
|
|
|
sd->sof_read = 0;
|
|
|
|
/*
|
|
|
|
* Some of the supported cameras require the memory pointer to be
|
|
|
|
* set to 0, or else they will not stream.
|
|
|
|
*/
|
|
|
|
zero_the_pointer(gspca_dev);
|
|
|
|
msleep(200);
|
|
|
|
if (sd->cam_type == CAM_TYPE_CIF) {
|
|
|
|
PDEBUG(D_ERR, "CIF camera");
|
|
|
|
err_code = start_cif_cam(gspca_dev);
|
|
|
|
} else {
|
|
|
|
PDEBUG(D_ERR, "VGA camera");
|
|
|
|
err_code = start_vga_cam(gspca_dev);
|
|
|
|
}
|
2009-01-16 03:36:14 -05:00
|
|
|
return err_code;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
|
|
{
|
2009-08-14 05:51:52 -04:00
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
2009-01-16 03:36:14 -05:00
|
|
|
int result;
|
|
|
|
|
|
|
|
gspca_dev->usb_buf[0] = 1;
|
|
|
|
gspca_dev->usb_buf[1] = 0;
|
2009-08-14 05:51:52 -04:00
|
|
|
result = mr_write(gspca_dev, 2);
|
2009-01-16 03:36:14 -05:00
|
|
|
if (result < 0)
|
|
|
|
PDEBUG(D_ERR, "Camera Stop failed");
|
2009-08-14 05:51:52 -04:00
|
|
|
|
|
|
|
/* Not all the cams need this, but even if not, probably a good idea */
|
|
|
|
zero_the_pointer(gspca_dev);
|
|
|
|
if (sd->do_lcd_stop) {
|
|
|
|
gspca_dev->usb_buf[0] = 0x19;
|
|
|
|
gspca_dev->usb_buf[1] = 0x54;
|
|
|
|
result = mr_write(gspca_dev, 2);
|
|
|
|
if (result < 0)
|
|
|
|
PDEBUG(D_ERR, "Camera Stop failed");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void setbrightness(struct gspca_dev *gspca_dev)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
u8 val;
|
2009-08-14 09:15:52 -04:00
|
|
|
|
|
|
|
if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS_IDX))
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* Note register 7 is also seen as 0x8x or 0xCx in dumps */
|
2009-08-14 05:51:52 -04:00
|
|
|
if (sd->brightness > 0) {
|
2009-08-14 09:15:52 -04:00
|
|
|
sensor_write1(gspca_dev, 7, 0x00);
|
2009-08-14 05:51:52 -04:00
|
|
|
val = sd->brightness;
|
|
|
|
} else {
|
2009-08-14 09:15:52 -04:00
|
|
|
sensor_write1(gspca_dev, 7, 0x01);
|
2009-08-14 05:51:52 -04:00
|
|
|
val = 257 - sd->brightness;
|
|
|
|
}
|
|
|
|
sensor_write1(gspca_dev, 8, val);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void setexposure(struct gspca_dev *gspca_dev)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
u8 val;
|
|
|
|
|
2009-08-14 09:15:52 -04:00
|
|
|
if (gspca_dev->ctrl_dis & (1 << EXPOSURE_IDX))
|
|
|
|
return;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
val = sd->exposure >> 4;
|
|
|
|
sensor_write1(gspca_dev, 3, val);
|
|
|
|
val = sd->exposure & 0xf;
|
|
|
|
sensor_write1(gspca_dev, 4, val);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void setgain(struct gspca_dev *gspca_dev)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
2009-08-14 09:15:52 -04:00
|
|
|
if (gspca_dev->ctrl_dis & (1 << GAIN_IDX))
|
|
|
|
return;
|
|
|
|
|
2009-08-14 05:51:52 -04:00
|
|
|
sensor_write1(gspca_dev, 3, sd->gain);
|
|
|
|
}
|
|
|
|
|
|
|
|
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_setexposure(struct gspca_dev *gspca_dev, __s32 val)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
|
|
sd->exposure = val;
|
|
|
|
if (gspca_dev->streaming)
|
|
|
|
setexposure(gspca_dev);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
|
|
*val = sd->exposure;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
|
|
sd->gain = val;
|
|
|
|
if (gspca_dev->streaming)
|
|
|
|
setgain(gspca_dev);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
|
|
{
|
|
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
|
|
|
|
*val = sd->gain;
|
|
|
|
return 0;
|
2009-01-16 03:36:14 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Include pac common sof detection functions */
|
|
|
|
#include "pac_common.h"
|
|
|
|
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|
|
|
struct gspca_frame *frame, /* target */
|
|
|
|
__u8 *data, /* isoc packet */
|
|
|
|
int len) /* iso packet length */
|
|
|
|
{
|
|
|
|
unsigned char *sof;
|
|
|
|
|
|
|
|
sof = pac_find_sof(gspca_dev, data, len);
|
|
|
|
if (sof) {
|
|
|
|
int n;
|
|
|
|
|
|
|
|
/* finish decoding current frame */
|
|
|
|
n = sof - data;
|
|
|
|
if (n > sizeof pac_sof_marker)
|
|
|
|
n -= sizeof pac_sof_marker;
|
|
|
|
else
|
|
|
|
n = 0;
|
|
|
|
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
|
|
|
|
data, n);
|
2009-03-13 12:04:31 -04:00
|
|
|
/* Start next frame. */
|
|
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
|
|
|
|
pac_sof_marker, sizeof pac_sof_marker);
|
2009-01-16 03:36:14 -05:00
|
|
|
len -= sof - data;
|
|
|
|
data = sof;
|
|
|
|
}
|
|
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 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[] = {
|
2009-08-14 05:51:52 -04:00
|
|
|
{USB_DEVICE(0x08ca, 0x0111)}, /* Aiptek Pencam VGA+ */
|
|
|
|
{USB_DEVICE(0x093a, 0x010f)}, /* All other known MR97310A VGA cams */
|
|
|
|
{USB_DEVICE(0x093a, 0x010e)}, /* All known MR97310A CIF cams */
|
2009-01-16 03:36:14 -05:00
|
|
|
{}
|
|
|
|
};
|
|
|
|
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)
|
|
|
|
{
|
2009-03-27 14:57:46 -04:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = usb_register(&sd_driver);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
2009-01-16 03:36:14 -05:00
|
|
|
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);
|