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path: root/drivers/media/video/gspca/gl860/gl860.c
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Diffstat (limited to 'drivers/media/video/gspca/gl860/gl860.c')
-rw-r--r--drivers/media/video/gspca/gl860/gl860.c785
1 files changed, 785 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/gl860/gl860.c b/drivers/media/video/gspca/gl860/gl860.c
new file mode 100644
index 00000000000..6ef59ac7f50
--- /dev/null
+++ b/drivers/media/video/gspca/gl860/gl860.c
@@ -0,0 +1,785 @@
+/* @file gl860.c
+ * @date 2009-08-27
+ *
+ * Genesys Logic webcam with gl860 subdrivers
+ *
+ * Driver by Olivier Lorin <o.lorin@laposte.net>
+ * GSPCA by Jean-Francois Moine <http://moinejf.free.fr>
+ * Thanks BUGabundo and Malmostoso for your amazing help!
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "gspca.h"
+#include "gl860.h"
+
+MODULE_AUTHOR("Olivier Lorin <lorin@laposte.net>");
+MODULE_DESCRIPTION("GSPCA/Genesys Logic GL860 USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/*======================== static function declarations ====================*/
+
+static void (*dev_init_settings)(struct gspca_dev *gspca_dev);
+
+static int sd_config(struct gspca_dev *gspca_dev,
+ const struct usb_device_id *id);
+static int sd_init(struct gspca_dev *gspca_dev);
+static int sd_isoc_init(struct gspca_dev *gspca_dev);
+static int sd_start(struct gspca_dev *gspca_dev);
+static void sd_stop0(struct gspca_dev *gspca_dev);
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+ struct gspca_frame *frame, u8 *data, s32 len);
+static void sd_callback(struct gspca_dev *gspca_dev);
+
+static int gl860_guess_sensor(struct gspca_dev *gspca_dev,
+ s32 vendor_id, s32 product_id);
+
+/*============================ driver options ==============================*/
+
+static s32 AC50Hz = 0xff;
+module_param(AC50Hz, int, 0644);
+MODULE_PARM_DESC(AC50Hz, " Does AC power frequency is 50Hz? (0/1)");
+
+static char sensor[7];
+module_param_string(sensor, sensor, sizeof(sensor), 0644);
+MODULE_PARM_DESC(sensor,
+ " Driver sensor ('MI1320'/'MI2020'/'OV9655'/'OV2640'/'')");
+
+/*============================ webcam controls =============================*/
+
+/* Functions to get and set a control value */
+#define SD_SETGET(thename) \
+static int sd_set_##thename(struct gspca_dev *gspca_dev, s32 val)\
+{\
+ struct sd *sd = (struct sd *) gspca_dev;\
+\
+ sd->vcur.thename = val;\
+ if (gspca_dev->streaming)\
+ sd->dev_camera_settings(gspca_dev);\
+ return 0;\
+} \
+static int sd_get_##thename(struct gspca_dev *gspca_dev, s32 *val)\
+{\
+ struct sd *sd = (struct sd *) gspca_dev;\
+\
+ *val = sd->vcur.thename;\
+ return 0;\
+}
+
+SD_SETGET(mirror)
+SD_SETGET(flip)
+SD_SETGET(AC50Hz)
+SD_SETGET(backlight)
+SD_SETGET(brightness)
+SD_SETGET(gamma)
+SD_SETGET(hue)
+SD_SETGET(saturation)
+SD_SETGET(sharpness)
+SD_SETGET(whitebal)
+SD_SETGET(contrast)
+
+#define GL860_NCTRLS 11
+
+/* control table */
+static struct ctrl sd_ctrls_mi1320[GL860_NCTRLS];
+static struct ctrl sd_ctrls_mi2020[GL860_NCTRLS];
+static struct ctrl sd_ctrls_mi2020b[GL860_NCTRLS];
+static struct ctrl sd_ctrls_ov2640[GL860_NCTRLS];
+static struct ctrl sd_ctrls_ov9655[GL860_NCTRLS];
+
+#define SET_MY_CTRL(theid, \
+ thetype, thelabel, thename) \
+ if (sd->vmax.thename != 0) {\
+ sd_ctrls[nCtrls].qctrl.id = theid;\
+ sd_ctrls[nCtrls].qctrl.type = thetype;\
+ strcpy(sd_ctrls[nCtrls].qctrl.name, thelabel);\
+ sd_ctrls[nCtrls].qctrl.minimum = 0;\
+ sd_ctrls[nCtrls].qctrl.maximum = sd->vmax.thename;\
+ sd_ctrls[nCtrls].qctrl.default_value = sd->vcur.thename;\
+ sd_ctrls[nCtrls].qctrl.step = \
+ (sd->vmax.thename < 16) ? 1 : sd->vmax.thename/16;\
+ sd_ctrls[nCtrls].set = sd_set_##thename;\
+ sd_ctrls[nCtrls].get = sd_get_##thename;\
+ nCtrls++;\
+ }
+
+static int gl860_build_control_table(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct ctrl *sd_ctrls;
+ int nCtrls = 0;
+
+ if (_MI1320_)
+ sd_ctrls = sd_ctrls_mi1320;
+ else if (_MI2020_)
+ sd_ctrls = sd_ctrls_mi2020;
+ else if (_MI2020b_)
+ sd_ctrls = sd_ctrls_mi2020b;
+ else if (_OV2640_)
+ sd_ctrls = sd_ctrls_ov2640;
+ else if (_OV9655_)
+ sd_ctrls = sd_ctrls_ov9655;
+ else
+ return 0;
+
+ memset(sd_ctrls, 0, GL860_NCTRLS * sizeof(struct ctrl));
+
+ SET_MY_CTRL(V4L2_CID_BRIGHTNESS,
+ V4L2_CTRL_TYPE_INTEGER, "Brightness", brightness)
+ SET_MY_CTRL(V4L2_CID_SHARPNESS,
+ V4L2_CTRL_TYPE_INTEGER, "Sharpness", sharpness)
+ SET_MY_CTRL(V4L2_CID_CONTRAST,
+ V4L2_CTRL_TYPE_INTEGER, "Contrast", contrast)
+ SET_MY_CTRL(V4L2_CID_GAMMA,
+ V4L2_CTRL_TYPE_INTEGER, "Gamma", gamma)
+ SET_MY_CTRL(V4L2_CID_HUE,
+ V4L2_CTRL_TYPE_INTEGER, "Palette", hue)
+ SET_MY_CTRL(V4L2_CID_SATURATION,
+ V4L2_CTRL_TYPE_INTEGER, "Saturation", saturation)
+ SET_MY_CTRL(V4L2_CID_WHITE_BALANCE_TEMPERATURE,
+ V4L2_CTRL_TYPE_INTEGER, "White Bal.", whitebal)
+ SET_MY_CTRL(V4L2_CID_BACKLIGHT_COMPENSATION,
+ V4L2_CTRL_TYPE_INTEGER, "Backlight" , backlight)
+
+ SET_MY_CTRL(V4L2_CID_HFLIP,
+ V4L2_CTRL_TYPE_BOOLEAN, "Mirror", mirror)
+ SET_MY_CTRL(V4L2_CID_VFLIP,
+ V4L2_CTRL_TYPE_BOOLEAN, "Flip", flip)
+ SET_MY_CTRL(V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CTRL_TYPE_BOOLEAN, "50Hz", AC50Hz)
+
+ return nCtrls;
+}
+
+/*==================== sud-driver structure initialisation =================*/
+
+static struct sd_desc sd_desc_mi1320 = {
+ .name = MODULE_NAME,
+ .ctrls = sd_ctrls_mi1320,
+ .nctrls = GL860_NCTRLS,
+ .config = sd_config,
+ .init = sd_init,
+ .isoc_init = sd_isoc_init,
+ .start = sd_start,
+ .stop0 = sd_stop0,
+ .pkt_scan = sd_pkt_scan,
+ .dq_callback = sd_callback,
+};
+
+static struct sd_desc sd_desc_mi2020 = {
+ .name = MODULE_NAME,
+ .ctrls = sd_ctrls_mi2020,
+ .nctrls = GL860_NCTRLS,
+ .config = sd_config,
+ .init = sd_init,
+ .isoc_init = sd_isoc_init,
+ .start = sd_start,
+ .stop0 = sd_stop0,
+ .pkt_scan = sd_pkt_scan,
+ .dq_callback = sd_callback,
+};
+
+static struct sd_desc sd_desc_mi2020b = {
+ .name = MODULE_NAME,
+ .ctrls = sd_ctrls_mi2020b,
+ .nctrls = GL860_NCTRLS,
+ .config = sd_config,
+ .init = sd_init,
+ .isoc_init = sd_isoc_init,
+ .start = sd_start,
+ .stop0 = sd_stop0,
+ .pkt_scan = sd_pkt_scan,
+ .dq_callback = sd_callback,
+};
+
+static struct sd_desc sd_desc_ov2640 = {
+ .name = MODULE_NAME,
+ .ctrls = sd_ctrls_ov2640,
+ .nctrls = GL860_NCTRLS,
+ .config = sd_config,
+ .init = sd_init,
+ .isoc_init = sd_isoc_init,
+ .start = sd_start,
+ .stop0 = sd_stop0,
+ .pkt_scan = sd_pkt_scan,
+ .dq_callback = sd_callback,
+};
+
+static struct sd_desc sd_desc_ov9655 = {
+ .name = MODULE_NAME,
+ .ctrls = sd_ctrls_ov9655,
+ .nctrls = GL860_NCTRLS,
+ .config = sd_config,
+ .init = sd_init,
+ .isoc_init = sd_isoc_init,
+ .start = sd_start,
+ .stop0 = sd_stop0,
+ .pkt_scan = sd_pkt_scan,
+ .dq_callback = sd_callback,
+};
+
+/*=========================== sub-driver image sizes =======================*/
+
+static struct v4l2_pix_format mi2020_mode[] = {
+ { 640, 480, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0
+ },
+ { 800, 600, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 800,
+ .sizeimage = 800 * 600,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1
+ },
+ {1280, 1024, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 1280,
+ .sizeimage = 1280 * 1024,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 2
+ },
+ {1600, 1200, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 1600,
+ .sizeimage = 1600 * 1200,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 3
+ },
+};
+
+static struct v4l2_pix_format ov2640_mode[] = {
+ { 640, 480, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0
+ },
+ { 800, 600, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 800,
+ .sizeimage = 800 * 600,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1
+ },
+ {1280, 960, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 1280,
+ .sizeimage = 1280 * 960,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 2
+ },
+ {1600, 1200, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 1600,
+ .sizeimage = 1600 * 1200,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 3
+ },
+};
+
+static struct v4l2_pix_format mi1320_mode[] = {
+ { 640, 480, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0
+ },
+ { 800, 600, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 800,
+ .sizeimage = 800 * 600,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1
+ },
+ {1280, 960, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 1280,
+ .sizeimage = 1280 * 960,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 2
+ },
+};
+
+static struct v4l2_pix_format ov9655_mode[] = {
+ { 640, 480, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0
+ },
+ {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;
+ s32 vendor_id, product_id;
+
+ /* Get USB VendorID and ProductID */
+ vendor_id = le16_to_cpu(id->idVendor);
+ product_id = le16_to_cpu(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;
+ else if (strcmp(sensor, "MI2020b") == 0)
+ sd->sensor = ID_MI2020b;
+
+ /* 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;
+ gspca_dev->nbalt = 4;
+
+ 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_MI2020b:
+ gspca_dev->sd_desc = &sd_desc_mi2020b;
+ 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;
+ gl860_build_control_table(gspca_dev);
+
+ 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;
+
+ 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,
+ struct gspca_frame *frame, u8 *data, s32 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 endianess does not matter */
+ switch (*(s16 *) data) {
+ case 0x0202: /* End of frame, start a new one */
+ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0);
+ nSkipped = 0;
+ if (sd->nbIm >= 0 && sd->nbIm < 10)
+ sd->nbIm++;
+ gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, 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, frame, 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 __devinitdata 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)
+{
+ struct gspca_dev *gspca_dev;
+ s32 ret;
+
+ ret = gspca_dev_probe(intf, id,
+ &sd_desc_mi1320, sizeof(struct sd), THIS_MODULE);
+
+ if (ret >= 0) {
+ gspca_dev = usb_get_intfdata(intf);
+
+ PDEBUG(D_PROBE,
+ "Camera is now controlling video device /dev/video%d",
+ gspca_dev->vdev.minor);
+ }
+
+ return ret;
+}
+
+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 ====================*/
+
+static int __init sd_mod_init(void)
+{
+ PDEBUG(D_PROBE, "driver startup - version %s", DRIVER_VERSION);
+
+ if (usb_register(&sd_driver) < 0)
+ return -1;
+ PDEBUG(D_PROBE, "driver registered");
+
+ return 0;
+}
+
+static void __exit sd_mod_exit(void)
+{
+ usb_deregister(&sd_driver);
+ PDEBUG(D_PROBE, "driver deregistered");
+}
+
+module_init(sd_mod_init);
+module_exit(sd_mod_exit);
+
+/*==========================================================================*/
+
+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)
+ PDEBUG(D_ERR,
+ "ctrl transfer failed %4d "
+ "[p%02x r%d v%04x i%04x len%d]",
+ r, pref, req, val, index, len);
+ else if (len > 1 && r < len)
+ PDEBUG(D_ERR, "short ctrl transfer %d/%d", r, len);
+
+ if ((_MI2020_ || _MI2020b_ || _MI2020c_) && (val || index))
+ msleep(1);
+ if (_OV2640_)
+ 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,
+ s32 vendor_id, s32 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);
+
+ 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, "1st probe=%02x", probe);
+ if (probe == 0xff)
+ nOV++;
+ }
+
+ if (nOV) {
+ PDEBUG(D_PROBE, "0xff -> sensor 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);
+
+ PDEBUG(D_PROBE, "2nd probe=%02x", probe);
+ if (probe == 0x00)
+ nb26++;
+ if (probe == 0x26 || probe == 0x40) {
+ sd->sensor = ID_OV2640;
+ nb26 += 4;
+ break;
+ }
+ if (probe == 0x96 || probe == 0x55) {
+ sd->sensor = ID_OV9655;
+ nb96 += 4;
+ break;
+ }
+ if (probe == 0xff)
+ nb96++;
+ msleep(3);
+ }
+ if (nb26 < 4 && nb96 < 4) {
+ PDEBUG(D_PROBE, "No relevant answer ");
+ PDEBUG(D_PROBE, "* 1.3Mpixels -> use OV9655");
+ PDEBUG(D_PROBE, "* 2.0Mpixels -> use OV2640");
+ PDEBUG(D_PROBE,
+ "To force a sensor, add that line to "
+ "/etc/modprobe.d/options.conf:");
+ PDEBUG(D_PROBE, "options gspca_gl860 "
+ "sensor=\"OV2640\" or \"OV9655\"");
+ return -1;
+ }
+ } else { /* probe = 0 */
+ PDEBUG(D_PROBE, "No 0xff -> sensor 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 (_MI2020b_) {
+ PDEBUG(D_PROBE, "05e3:0503 sensor MI2020 alt. driver (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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 14:18:47 +0000