722 lines
19 KiB
C
722 lines
19 KiB
C
/* 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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/* Functions to get and set a control value */
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#define SD_SETGET(thename) \
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static int sd_set_##thename(struct gspca_dev *gspca_dev, s32 val)\
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{\
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struct sd *sd = (struct sd *) gspca_dev;\
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\
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sd->vcur.thename = val;\
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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 int sd_get_##thename(struct gspca_dev *gspca_dev, s32 *val)\
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{\
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struct sd *sd = (struct sd *) gspca_dev;\
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\
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*val = sd->vcur.thename;\
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return 0;\
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}
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SD_SETGET(mirror)
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SD_SETGET(flip)
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SD_SETGET(AC50Hz)
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SD_SETGET(backlight)
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SD_SETGET(brightness)
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SD_SETGET(gamma)
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SD_SETGET(hue)
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SD_SETGET(saturation)
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SD_SETGET(sharpness)
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SD_SETGET(whitebal)
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SD_SETGET(contrast)
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#define GL860_NCTRLS 11
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/* control table */
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static struct ctrl sd_ctrls_mi1320[GL860_NCTRLS];
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static struct ctrl sd_ctrls_mi2020[GL860_NCTRLS];
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static struct ctrl sd_ctrls_ov2640[GL860_NCTRLS];
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static struct ctrl sd_ctrls_ov9655[GL860_NCTRLS];
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#define SET_MY_CTRL(theid, \
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thetype, thelabel, thename) \
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if (sd->vmax.thename != 0) {\
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sd_ctrls[nCtrls].qctrl.id = theid;\
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sd_ctrls[nCtrls].qctrl.type = thetype;\
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strcpy(sd_ctrls[nCtrls].qctrl.name, thelabel);\
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sd_ctrls[nCtrls].qctrl.minimum = 0;\
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sd_ctrls[nCtrls].qctrl.maximum = sd->vmax.thename;\
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sd_ctrls[nCtrls].qctrl.default_value = sd->vcur.thename;\
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sd_ctrls[nCtrls].qctrl.step = \
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(sd->vmax.thename < 16) ? 1 : sd->vmax.thename/16;\
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sd_ctrls[nCtrls].set = sd_set_##thename;\
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sd_ctrls[nCtrls].get = sd_get_##thename;\
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nCtrls++;\
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}
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static int gl860_build_control_table(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 ctrl *sd_ctrls;
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int nCtrls = 0;
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if (_MI1320_)
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sd_ctrls = sd_ctrls_mi1320;
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else if (_MI2020_)
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sd_ctrls = sd_ctrls_mi2020;
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else if (_OV2640_)
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sd_ctrls = sd_ctrls_ov2640;
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else if (_OV9655_)
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sd_ctrls = sd_ctrls_ov9655;
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else
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return 0;
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memset(sd_ctrls, 0, GL860_NCTRLS * sizeof(struct ctrl));
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SET_MY_CTRL(V4L2_CID_BRIGHTNESS,
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V4L2_CTRL_TYPE_INTEGER, "Brightness", brightness)
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SET_MY_CTRL(V4L2_CID_SHARPNESS,
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V4L2_CTRL_TYPE_INTEGER, "Sharpness", sharpness)
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SET_MY_CTRL(V4L2_CID_CONTRAST,
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V4L2_CTRL_TYPE_INTEGER, "Contrast", contrast)
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SET_MY_CTRL(V4L2_CID_GAMMA,
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V4L2_CTRL_TYPE_INTEGER, "Gamma", gamma)
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SET_MY_CTRL(V4L2_CID_HUE,
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V4L2_CTRL_TYPE_INTEGER, "Palette", hue)
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SET_MY_CTRL(V4L2_CID_SATURATION,
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V4L2_CTRL_TYPE_INTEGER, "Saturation", saturation)
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SET_MY_CTRL(V4L2_CID_WHITE_BALANCE_TEMPERATURE,
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V4L2_CTRL_TYPE_INTEGER, "White Bal.", whitebal)
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SET_MY_CTRL(V4L2_CID_BACKLIGHT_COMPENSATION,
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V4L2_CTRL_TYPE_INTEGER, "Backlight" , backlight)
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SET_MY_CTRL(V4L2_CID_HFLIP,
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V4L2_CTRL_TYPE_BOOLEAN, "Mirror", mirror)
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SET_MY_CTRL(V4L2_CID_VFLIP,
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V4L2_CTRL_TYPE_BOOLEAN, "Flip", flip)
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SET_MY_CTRL(V4L2_CID_POWER_LINE_FREQUENCY,
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V4L2_CTRL_TYPE_BOOLEAN, "AC power 50Hz", AC50Hz)
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return nCtrls;
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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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.ctrls = sd_ctrls_mi1320,
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.nctrls = GL860_NCTRLS,
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.config = sd_config,
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.init = sd_init,
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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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.ctrls = sd_ctrls_mi2020,
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.nctrls = GL860_NCTRLS,
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.config = sd_config,
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.init = sd_init,
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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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.ctrls = sd_ctrls_ov2640,
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.nctrls = GL860_NCTRLS,
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.config = sd_config,
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.init = sd_init,
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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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.ctrls = sd_ctrls_ov9655,
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.nctrls = GL860_NCTRLS,
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.config = sd_config,
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.init = sd_init,
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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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.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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};
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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,
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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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{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 = 1
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},
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};
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/*========================= sud-driver functions ===========================*/
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/* This function is called at probe time */
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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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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct cam *cam;
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u16 vendor_id, product_id;
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/* Get USB VendorID and ProductID */
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vendor_id = id->idVendor;
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product_id = id->idProduct;
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sd->nbRightUp = 1;
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sd->nbIm = -1;
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sd->sensor = 0xff;
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if (strcmp(sensor, "MI1320") == 0)
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sd->sensor = ID_MI1320;
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else if (strcmp(sensor, "OV2640") == 0)
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sd->sensor = ID_OV2640;
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else if (strcmp(sensor, "OV9655") == 0)
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sd->sensor = ID_OV9655;
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else if (strcmp(sensor, "MI2020") == 0)
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sd->sensor = ID_MI2020;
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/* Get sensor and set the suitable init/start/../stop functions */
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if (gl860_guess_sensor(gspca_dev, vendor_id, product_id) == -1)
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return -1;
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cam = &gspca_dev->cam;
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switch (sd->sensor) {
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case ID_MI1320:
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gspca_dev->sd_desc = &sd_desc_mi1320;
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cam->cam_mode = mi1320_mode;
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cam->nmodes = ARRAY_SIZE(mi1320_mode);
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dev_init_settings = mi1320_init_settings;
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break;
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case ID_MI2020:
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gspca_dev->sd_desc = &sd_desc_mi2020;
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cam->cam_mode = mi2020_mode;
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cam->nmodes = ARRAY_SIZE(mi2020_mode);
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dev_init_settings = mi2020_init_settings;
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break;
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case ID_OV2640:
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gspca_dev->sd_desc = &sd_desc_ov2640;
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cam->cam_mode = ov2640_mode;
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cam->nmodes = ARRAY_SIZE(ov2640_mode);
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dev_init_settings = ov2640_init_settings;
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break;
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case ID_OV9655:
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gspca_dev->sd_desc = &sd_desc_ov9655;
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cam->cam_mode = ov9655_mode;
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cam->nmodes = ARRAY_SIZE(ov9655_mode);
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dev_init_settings = ov9655_init_settings;
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break;
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}
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dev_init_settings(gspca_dev);
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if (AC50Hz != 0xff)
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((struct sd *) gspca_dev)->vcur.AC50Hz = AC50Hz;
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gl860_build_control_table(gspca_dev);
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return 0;
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}
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/* This function is called at probe time after sd_config */
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static int sd_init(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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return sd->dev_init_at_startup(gspca_dev);
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}
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/* This function is called before to choose the alt setting */
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static int sd_isoc_init(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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return sd->dev_configure_alt(gspca_dev);
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}
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/* This function is called to start the webcam */
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static int sd_start(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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return sd->dev_init_pre_alt(gspca_dev);
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}
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/* This function is called to stop the webcam */
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static void sd_stop0(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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return sd->dev_post_unset_alt(gspca_dev);
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}
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/* This function is called when an image is being received */
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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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{
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struct sd *sd = (struct sd *) gspca_dev;
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static s32 nSkipped;
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s32 mode = (s32) gspca_dev->curr_mode;
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s32 nToSkip =
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sd->swapRB * (gspca_dev->cam.cam_mode[mode].bytesperline + 1);
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/* Test only against 0202h, so endianess does not matter */
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switch (*(s16 *) data) {
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case 0x0202: /* End of frame, start a new one */
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gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
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nSkipped = 0;
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if (sd->nbIm >= 0 && sd->nbIm < 10)
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sd->nbIm++;
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gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
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break;
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default:
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data += 2;
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len -= 2;
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if (nSkipped + len <= nToSkip)
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nSkipped += len;
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else {
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if (nSkipped < nToSkip && nSkipped + len > nToSkip) {
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data += nToSkip - nSkipped;
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len -= nToSkip - nSkipped;
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nSkipped = nToSkip + 1;
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}
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gspca_frame_add(gspca_dev,
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INTER_PACKET, data, len);
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}
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break;
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}
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}
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/* This function is called when an image has been read */
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/* This function is used to monitor webcam orientation */
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static void sd_callback(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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if (!_OV9655_) {
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u8 state;
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u8 upsideDown;
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/* Probe sensor orientation */
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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,
|
|
#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)
|
|
PDEBUG(D_ERR, "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;
|
|
}
|