742 lines
19 KiB
C
742 lines
19 KiB
C
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/* GSPCA subdrivers for Genesys Logic webcams with the GL860 chip
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* Subdriver core
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*
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* 2009/09/24 Olivier Lorin <o.lorin@laposte.net>
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* GSPCA by Jean-Francois Moine <http://moinejf.free.fr>
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* Thanks BUGabundo and Malmostoso for your amazing help!
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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, see <http://www.gnu.org/licenses/>.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include "gspca.h"
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#include "gl860.h"
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MODULE_AUTHOR("Olivier Lorin <o.lorin@laposte.net>");
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MODULE_DESCRIPTION("Genesys Logic USB PC Camera Driver");
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MODULE_LICENSE("GPL");
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/*======================== static function declarations ====================*/
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static void (*dev_init_settings)(struct gspca_dev *gspca_dev);
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static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id);
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static int sd_init(struct gspca_dev *gspca_dev);
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static int sd_isoc_init(struct gspca_dev *gspca_dev);
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static int sd_start(struct gspca_dev *gspca_dev);
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static void sd_stop0(struct gspca_dev *gspca_dev);
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static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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u8 *data, int len);
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static void sd_callback(struct gspca_dev *gspca_dev);
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static int gl860_guess_sensor(struct gspca_dev *gspca_dev,
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u16 vendor_id, u16 product_id);
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/*============================ driver options ==============================*/
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static s32 AC50Hz = 0xff;
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module_param(AC50Hz, int, 0644);
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MODULE_PARM_DESC(AC50Hz, " Does AC power frequency is 50Hz? (0/1)");
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static char sensor[7];
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module_param_string(sensor, sensor, sizeof(sensor), 0644);
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MODULE_PARM_DESC(sensor,
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" Driver sensor ('MI1320'/'MI2020'/'OV9655'/'OV2640')");
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/*============================ webcam controls =============================*/
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static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct gspca_dev *gspca_dev =
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container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
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struct sd *sd = (struct sd *) gspca_dev;
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switch (ctrl->id) {
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case V4L2_CID_BRIGHTNESS:
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sd->vcur.brightness = ctrl->val;
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break;
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case V4L2_CID_CONTRAST:
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sd->vcur.contrast = ctrl->val;
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break;
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case V4L2_CID_SATURATION:
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sd->vcur.saturation = ctrl->val;
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break;
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case V4L2_CID_HUE:
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sd->vcur.hue = ctrl->val;
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break;
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case V4L2_CID_GAMMA:
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sd->vcur.gamma = ctrl->val;
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break;
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case V4L2_CID_HFLIP:
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sd->vcur.mirror = ctrl->val;
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break;
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case V4L2_CID_VFLIP:
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sd->vcur.flip = ctrl->val;
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break;
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case V4L2_CID_POWER_LINE_FREQUENCY:
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sd->vcur.AC50Hz = ctrl->val;
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break;
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case V4L2_CID_WHITE_BALANCE_TEMPERATURE:
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sd->vcur.whitebal = ctrl->val;
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break;
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case V4L2_CID_SHARPNESS:
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sd->vcur.sharpness = ctrl->val;
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break;
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case V4L2_CID_BACKLIGHT_COMPENSATION:
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sd->vcur.backlight = ctrl->val;
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break;
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default:
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return -EINVAL;
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}
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if (gspca_dev->streaming)
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sd->waitSet = 1;
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return 0;
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}
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static const struct v4l2_ctrl_ops sd_ctrl_ops = {
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.s_ctrl = sd_s_ctrl,
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};
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static int sd_init_controls(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
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gspca_dev->vdev.ctrl_handler = hdl;
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v4l2_ctrl_handler_init(hdl, 11);
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if (sd->vmax.brightness)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_BRIGHTNESS,
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0, sd->vmax.brightness, 1,
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sd->vcur.brightness);
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if (sd->vmax.contrast)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_CONTRAST,
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0, sd->vmax.contrast, 1,
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sd->vcur.contrast);
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if (sd->vmax.saturation)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_SATURATION,
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0, sd->vmax.saturation, 1,
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sd->vcur.saturation);
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if (sd->vmax.hue)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_HUE,
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0, sd->vmax.hue, 1, sd->vcur.hue);
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if (sd->vmax.gamma)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_GAMMA,
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0, sd->vmax.gamma, 1, sd->vcur.gamma);
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if (sd->vmax.mirror)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_HFLIP,
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0, sd->vmax.mirror, 1, sd->vcur.mirror);
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if (sd->vmax.flip)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_VFLIP,
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0, sd->vmax.flip, 1, sd->vcur.flip);
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if (sd->vmax.AC50Hz)
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v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
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V4L2_CID_POWER_LINE_FREQUENCY,
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sd->vmax.AC50Hz, 0, sd->vcur.AC50Hz);
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if (sd->vmax.whitebal)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
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V4L2_CID_WHITE_BALANCE_TEMPERATURE,
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0, sd->vmax.whitebal, 1, sd->vcur.whitebal);
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if (sd->vmax.sharpness)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_SHARPNESS,
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0, sd->vmax.sharpness, 1,
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sd->vcur.sharpness);
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if (sd->vmax.backlight)
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
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V4L2_CID_BACKLIGHT_COMPENSATION,
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0, sd->vmax.backlight, 1,
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sd->vcur.backlight);
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if (hdl->error) {
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pr_err("Could not initialize controls\n");
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return hdl->error;
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}
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return 0;
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}
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/*==================== sud-driver structure initialisation =================*/
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static const struct sd_desc sd_desc_mi1320 = {
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.name = MODULE_NAME,
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.config = sd_config,
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.init = sd_init,
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.init_controls = sd_init_controls,
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.isoc_init = sd_isoc_init,
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.start = sd_start,
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.stop0 = sd_stop0,
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.pkt_scan = sd_pkt_scan,
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.dq_callback = sd_callback,
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};
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static const struct sd_desc sd_desc_mi2020 = {
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.name = MODULE_NAME,
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.config = sd_config,
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.init = sd_init,
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.init_controls = sd_init_controls,
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.isoc_init = sd_isoc_init,
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.start = sd_start,
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.stop0 = sd_stop0,
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.pkt_scan = sd_pkt_scan,
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.dq_callback = sd_callback,
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};
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static const struct sd_desc sd_desc_ov2640 = {
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.name = MODULE_NAME,
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.config = sd_config,
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.init = sd_init,
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.init_controls = sd_init_controls,
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.isoc_init = sd_isoc_init,
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.start = sd_start,
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.stop0 = sd_stop0,
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.pkt_scan = sd_pkt_scan,
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.dq_callback = sd_callback,
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};
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static const struct sd_desc sd_desc_ov9655 = {
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.name = MODULE_NAME,
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.config = sd_config,
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.init = sd_init,
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.init_controls = sd_init_controls,
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.isoc_init = sd_isoc_init,
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.start = sd_start,
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.stop0 = sd_stop0,
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.pkt_scan = sd_pkt_scan,
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.dq_callback = sd_callback,
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};
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/*=========================== sub-driver image sizes =======================*/
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static struct v4l2_pix_format mi2020_mode[] = {
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{ 640, 480, V4L2_PIX_FMT_SGBRG8, 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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{ 800, 598, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 800,
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.sizeimage = 800 * 598,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1
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},
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{1280, 1024, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 1280,
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.sizeimage = 1280 * 1024,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2
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},
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{1600, 1198, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 1600,
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.sizeimage = 1600 * 1198,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 3
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},
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};
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static struct v4l2_pix_format ov2640_mode[] = {
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{ 640, 480, V4L2_PIX_FMT_SGBRG8, 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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{ 800, 600, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 800,
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.sizeimage = 800 * 600,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1
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},
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{1280, 960, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 1280,
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.sizeimage = 1280 * 960,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2
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},
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{1600, 1200, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 1600,
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.sizeimage = 1600 * 1200,
|
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 3
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},
|
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};
|
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static struct v4l2_pix_format mi1320_mode[] = {
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{ 640, 480, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 640,
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||
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.sizeimage = 640 * 480,
|
||
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.colorspace = V4L2_COLORSPACE_SRGB,
|
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|
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.priv = 0
|
||
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},
|
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{ 800, 600, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
|
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.bytesperline = 800,
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.sizeimage = 800 * 600,
|
||
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.colorspace = V4L2_COLORSPACE_SRGB,
|
||
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.priv = 1
|
||
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},
|
||
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{1280, 960, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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|
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.bytesperline = 1280,
|
||
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.sizeimage = 1280 * 960,
|
||
|
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.colorspace = V4L2_COLORSPACE_SRGB,
|
||
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.priv = 2
|
||
|
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},
|
||
|
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};
|
||
|
|
|
||
|
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static struct v4l2_pix_format ov9655_mode[] = {
|
||
|
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{ 640, 480, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
|
||
|
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.bytesperline = 640,
|
||
|
|
.sizeimage = 640 * 480,
|
||
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
||
|
|
.priv = 0
|
||
|
|
},
|
||
|
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{1280, 960, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
|
||
|
|
.bytesperline = 1280,
|
||
|
|
.sizeimage = 1280 * 960,
|
||
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
||
|
|
.priv = 1
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
/*========================= sud-driver functions ===========================*/
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
u16 vendor_id, product_id;
|
||
|
|
|
||
|
|
/* Get USB VendorID and ProductID */
|
||
|
|
vendor_id = id->idVendor;
|
||
|
|
product_id = id->idProduct;
|
||
|
|
|
||
|
|
sd->nbRightUp = 1;
|
||
|
|
sd->nbIm = -1;
|
||
|
|
|
||
|
|
sd->sensor = 0xff;
|
||
|
|
if (strcmp(sensor, "MI1320") == 0)
|
||
|
|
sd->sensor = ID_MI1320;
|
||
|
|
else if (strcmp(sensor, "OV2640") == 0)
|
||
|
|
sd->sensor = ID_OV2640;
|
||
|
|
else if (strcmp(sensor, "OV9655") == 0)
|
||
|
|
sd->sensor = ID_OV9655;
|
||
|
|
else if (strcmp(sensor, "MI2020") == 0)
|
||
|
|
sd->sensor = ID_MI2020;
|
||
|
|
|
||
|
|
/* Get sensor and set the suitable init/start/../stop functions */
|
||
|
|
if (gl860_guess_sensor(gspca_dev, vendor_id, product_id) == -1)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
cam = &gspca_dev->cam;
|
||
|
|
|
||
|
|
switch (sd->sensor) {
|
||
|
|
case ID_MI1320:
|
||
|
|
gspca_dev->sd_desc = &sd_desc_mi1320;
|
||
|
|
cam->cam_mode = mi1320_mode;
|
||
|
|
cam->nmodes = ARRAY_SIZE(mi1320_mode);
|
||
|
|
dev_init_settings = mi1320_init_settings;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ID_MI2020:
|
||
|
|
gspca_dev->sd_desc = &sd_desc_mi2020;
|
||
|
|
cam->cam_mode = mi2020_mode;
|
||
|
|
cam->nmodes = ARRAY_SIZE(mi2020_mode);
|
||
|
|
dev_init_settings = mi2020_init_settings;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ID_OV2640:
|
||
|
|
gspca_dev->sd_desc = &sd_desc_ov2640;
|
||
|
|
cam->cam_mode = ov2640_mode;
|
||
|
|
cam->nmodes = ARRAY_SIZE(ov2640_mode);
|
||
|
|
dev_init_settings = ov2640_init_settings;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ID_OV9655:
|
||
|
|
gspca_dev->sd_desc = &sd_desc_ov9655;
|
||
|
|
cam->cam_mode = ov9655_mode;
|
||
|
|
cam->nmodes = ARRAY_SIZE(ov9655_mode);
|
||
|
|
dev_init_settings = ov9655_init_settings;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
dev_init_settings(gspca_dev);
|
||
|
|
if (AC50Hz != 0xff)
|
||
|
|
((struct sd *) gspca_dev)->vcur.AC50Hz = AC50Hz;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This function is called at probe time after sd_config */
|
||
|
|
static int sd_init(struct gspca_dev *gspca_dev)
|
||
|
|
{
|
||
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
||
|
|
|
||
|
|
return sd->dev_init_at_startup(gspca_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This function is called before to choose the alt setting */
|
||
|
|
static int sd_isoc_init(struct gspca_dev *gspca_dev)
|
||
|
|
{
|
||
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
||
|
|
|
||
|
|
return sd->dev_configure_alt(gspca_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This function is called to start the webcam */
|
||
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
||
|
|
{
|
||
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
||
|
|
|
||
|
|
return sd->dev_init_pre_alt(gspca_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This function is called to stop the webcam */
|
||
|
|
static void sd_stop0(struct gspca_dev *gspca_dev)
|
||
|
|
{
|
||
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
||
|
|
|
||
|
|
if (!sd->gspca_dev.present)
|
||
|
|
return;
|
||
|
|
|
||
|
|
return sd->dev_post_unset_alt(gspca_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This function is called when an image is being received */
|
||
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
||
|
|
u8 *data, int len)
|
||
|
|
{
|
||
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
||
|
|
static s32 nSkipped;
|
||
|
|
|
||
|
|
s32 mode = (s32) gspca_dev->curr_mode;
|
||
|
|
s32 nToSkip =
|
||
|
|
sd->swapRB * (gspca_dev->cam.cam_mode[mode].bytesperline + 1);
|
||
|
|
|
||
|
|
/* Test only against 0202h, so endianness does not matter */
|
||
|
|
switch (*(s16 *) data) {
|
||
|
|
case 0x0202: /* End of frame, start a new one */
|
||
|
|
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
|
||
|
|
nSkipped = 0;
|
||
|
|
if (sd->nbIm >= 0 && sd->nbIm < 10)
|
||
|
|
sd->nbIm++;
|
||
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
data += 2;
|
||
|
|
len -= 2;
|
||
|
|
if (nSkipped + len <= nToSkip)
|
||
|
|
nSkipped += len;
|
||
|
|
else {
|
||
|
|
if (nSkipped < nToSkip && nSkipped + len > nToSkip) {
|
||
|
|
data += nToSkip - nSkipped;
|
||
|
|
len -= nToSkip - nSkipped;
|
||
|
|
nSkipped = nToSkip + 1;
|
||
|
|
}
|
||
|
|
gspca_frame_add(gspca_dev,
|
||
|
|
INTER_PACKET, data, len);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This function is called when an image has been read */
|
||
|
|
/* This function is used to monitor webcam orientation */
|
||
|
|
static void sd_callback(struct gspca_dev *gspca_dev)
|
||
|
|
{
|
||
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
||
|
|
|
||
|
|
if (!_OV9655_) {
|
||
|
|
u8 state;
|
||
|
|
u8 upsideDown;
|
||
|
|
|
||
|
|
/* Probe sensor orientation */
|
||
|
|
ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, (void *)&state);
|
||
|
|
|
||
|
|
/* C8/40 means upside-down (looking backwards) */
|
||
|
|
/* D8/50 means right-up (looking onwards) */
|
||
|
|
upsideDown = (state == 0xc8 || state == 0x40);
|
||
|
|
|
||
|
|
if (upsideDown && sd->nbRightUp > -4) {
|
||
|
|
if (sd->nbRightUp > 0)
|
||
|
|
sd->nbRightUp = 0;
|
||
|
|
if (sd->nbRightUp == -3) {
|
||
|
|
sd->mirrorMask = 1;
|
||
|
|
sd->waitSet = 1;
|
||
|
|
}
|
||
|
|
sd->nbRightUp--;
|
||
|
|
}
|
||
|
|
if (!upsideDown && sd->nbRightUp < 4) {
|
||
|
|
if (sd->nbRightUp < 0)
|
||
|
|
sd->nbRightUp = 0;
|
||
|
|
if (sd->nbRightUp == 3) {
|
||
|
|
sd->mirrorMask = 0;
|
||
|
|
sd->waitSet = 1;
|
||
|
|
}
|
||
|
|
sd->nbRightUp++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sd->waitSet)
|
||
|
|
sd->dev_camera_settings(gspca_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*=================== USB driver structure initialisation ==================*/
|
||
|
|
|
||
|
|
static const struct usb_device_id device_table[] = {
|
||
|
|
{USB_DEVICE(0x05e3, 0x0503)},
|
||
|
|
{USB_DEVICE(0x05e3, 0xf191)},
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
|
||
|
|
MODULE_DEVICE_TABLE(usb, device_table);
|
||
|
|
|
||
|
|
static int sd_probe(struct usb_interface *intf,
|
||
|
|
const struct usb_device_id *id)
|
||
|
|
{
|
||
|
|
return gspca_dev_probe(intf, id,
|
||
|
|
&sd_desc_mi1320, sizeof(struct sd), THIS_MODULE);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void sd_disconnect(struct usb_interface *intf)
|
||
|
|
{
|
||
|
|
gspca_disconnect(intf);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct usb_driver sd_driver = {
|
||
|
|
.name = MODULE_NAME,
|
||
|
|
.id_table = device_table,
|
||
|
|
.probe = sd_probe,
|
||
|
|
.disconnect = sd_disconnect,
|
||
|
|
#ifdef CONFIG_PM
|
||
|
|
.suspend = gspca_suspend,
|
||
|
|
.resume = gspca_resume,
|
||
|
|
.reset_resume = gspca_resume,
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
/*====================== Init and Exit module functions ====================*/
|
||
|
|
|
||
|
|
module_usb_driver(sd_driver);
|
||
|
|
|
||
|
|
/*==========================================================================*/
|
||
|
|
|
||
|
|
int gl860_RTx(struct gspca_dev *gspca_dev,
|
||
|
|
unsigned char pref, u32 req, u16 val, u16 index,
|
||
|
|
s32 len, void *pdata)
|
||
|
|
{
|
||
|
|
struct usb_device *udev = gspca_dev->dev;
|
||
|
|
s32 r = 0;
|
||
|
|
|
||
|
|
if (pref == 0x40) { /* Send */
|
||
|
|
if (len > 0) {
|
||
|
|
memcpy(gspca_dev->usb_buf, pdata, len);
|
||
|
|
r = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
|
||
|
|
req, pref, val, index,
|
||
|
|
gspca_dev->usb_buf,
|
||
|
|
len, 400 + 200 * (len > 1));
|
||
|
|
} else {
|
||
|
|
r = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
|
||
|
|
req, pref, val, index, NULL, len, 400);
|
||
|
|
}
|
||
|
|
} else { /* Receive */
|
||
|
|
if (len > 0) {
|
||
|
|
r = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
|
||
|
|
req, pref, val, index,
|
||
|
|
gspca_dev->usb_buf,
|
||
|
|
len, 400 + 200 * (len > 1));
|
||
|
|
memcpy(pdata, gspca_dev->usb_buf, len);
|
||
|
|
} else {
|
||
|
|
r = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
|
||
|
|
req, pref, val, index, NULL, len, 400);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (r < 0)
|
||
|
|
pr_err("ctrl transfer failed %4d [p%02x r%d v%04x i%04x len%d]\n",
|
||
|
|
r, pref, req, val, index, len);
|
||
|
|
else if (len > 1 && r < len)
|
||
|
|
PERR("short ctrl transfer %d/%d", r, len);
|
||
|
|
|
||
|
|
msleep(1);
|
||
|
|
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
int fetch_validx(struct gspca_dev *gspca_dev, struct validx *tbl, int len)
|
||
|
|
{
|
||
|
|
int n;
|
||
|
|
|
||
|
|
for (n = 0; n < len; n++) {
|
||
|
|
if (tbl[n].idx != 0xffff)
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, tbl[n].val,
|
||
|
|
tbl[n].idx, 0, NULL);
|
||
|
|
else if (tbl[n].val == 0xffff)
|
||
|
|
break;
|
||
|
|
else
|
||
|
|
msleep(tbl[n].val);
|
||
|
|
}
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
int keep_on_fetching_validx(struct gspca_dev *gspca_dev, struct validx *tbl,
|
||
|
|
int len, int n)
|
||
|
|
{
|
||
|
|
while (++n < len) {
|
||
|
|
if (tbl[n].idx != 0xffff)
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, tbl[n].val, tbl[n].idx,
|
||
|
|
0, NULL);
|
||
|
|
else if (tbl[n].val == 0xffff)
|
||
|
|
break;
|
||
|
|
else
|
||
|
|
msleep(tbl[n].val);
|
||
|
|
}
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
void fetch_idxdata(struct gspca_dev *gspca_dev, struct idxdata *tbl, int len)
|
||
|
|
{
|
||
|
|
int n;
|
||
|
|
|
||
|
|
for (n = 0; n < len; n++) {
|
||
|
|
if (memcmp(tbl[n].data, "\xff\xff\xff", 3) != 0)
|
||
|
|
ctrl_out(gspca_dev, 0x40, 3, 0x7a00, tbl[n].idx,
|
||
|
|
3, tbl[n].data);
|
||
|
|
else
|
||
|
|
msleep(tbl[n].idx);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int gl860_guess_sensor(struct gspca_dev *gspca_dev,
|
||
|
|
u16 vendor_id, u16 product_id)
|
||
|
|
{
|
||
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
||
|
|
u8 probe, nb26, nb96, nOV, ntry;
|
||
|
|
|
||
|
|
if (product_id == 0xf191)
|
||
|
|
sd->sensor = ID_MI1320;
|
||
|
|
|
||
|
|
if (sd->sensor == 0xff) {
|
||
|
|
ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0004, 1, &probe);
|
||
|
|
ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0004, 1, &probe);
|
||
|
|
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0000, 0x0000, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0010, 0x0010, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0008, 0x00c0, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0001, 0x00c1, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0001, 0x00c2, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0020, 0x0006, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x006a, 0x000d, 0, NULL);
|
||
|
|
msleep(56);
|
||
|
|
|
||
|
|
PDEBUG(D_PROBE, "probing for sensor MI2020 or OVXXXX");
|
||
|
|
nOV = 0;
|
||
|
|
for (ntry = 0; ntry < 4; ntry++) {
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0040, 0x0000, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0063, 0x0006, 0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x7a00, 0x8030, 0, NULL);
|
||
|
|
msleep(10);
|
||
|
|
ctrl_in(gspca_dev, 0xc0, 2, 0x7a00, 0x8030, 1, &probe);
|
||
|
|
PDEBUG(D_PROBE, "probe=0x%02x", probe);
|
||
|
|
if (probe == 0xff)
|
||
|
|
nOV++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nOV) {
|
||
|
|
PDEBUG(D_PROBE, "0xff -> OVXXXX");
|
||
|
|
PDEBUG(D_PROBE, "probing for sensor OV2640 or OV9655");
|
||
|
|
|
||
|
|
nb26 = nb96 = 0;
|
||
|
|
for (ntry = 0; ntry < 4; ntry++) {
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x0040, 0x0000,
|
||
|
|
0, NULL);
|
||
|
|
msleep(3);
|
||
|
|
ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x800a,
|
||
|
|
0, NULL);
|
||
|
|
msleep(10);
|
||
|
|
|
||
|
|
/* Wait for 26(OV2640) or 96(OV9655) */
|
||
|
|
ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x800a,
|
||
|
|
1, &probe);
|
||
|
|
|
||
|
|
if (probe == 0x26 || probe == 0x40) {
|
||
|
|
PDEBUG(D_PROBE,
|
||
|
|
"probe=0x%02x -> OV2640",
|
||
|
|
probe);
|
||
|
|
sd->sensor = ID_OV2640;
|
||
|
|
nb26 += 4;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (probe == 0x96 || probe == 0x55) {
|
||
|
|
PDEBUG(D_PROBE,
|
||
|
|
"probe=0x%02x -> OV9655",
|
||
|
|
probe);
|
||
|
|
sd->sensor = ID_OV9655;
|
||
|
|
nb96 += 4;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
PDEBUG(D_PROBE, "probe=0x%02x", probe);
|
||
|
|
if (probe == 0x00)
|
||
|
|
nb26++;
|
||
|
|
if (probe == 0xff)
|
||
|
|
nb96++;
|
||
|
|
msleep(3);
|
||
|
|
}
|
||
|
|
if (nb26 < 4 && nb96 < 4)
|
||
|
|
return -1;
|
||
|
|
} else {
|
||
|
|
PDEBUG(D_PROBE, "Not any 0xff -> MI2020");
|
||
|
|
sd->sensor = ID_MI2020;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_MI1320_) {
|
||
|
|
PDEBUG(D_PROBE, "05e3:f191 sensor MI1320 (1.3M)");
|
||
|
|
} else if (_MI2020_) {
|
||
|
|
PDEBUG(D_PROBE, "05e3:0503 sensor MI2020 (2.0M)");
|
||
|
|
} else if (_OV9655_) {
|
||
|
|
PDEBUG(D_PROBE, "05e3:0503 sensor OV9655 (1.3M)");
|
||
|
|
} else if (_OV2640_) {
|
||
|
|
PDEBUG(D_PROBE, "05e3:0503 sensor OV2640 (2.0M)");
|
||
|
|
} else {
|
||
|
|
PDEBUG(D_PROBE, "***** Unknown sensor *****");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|