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Diffstat (limited to 'drivers/media/video/gspca/gl860/gl860.c')
-rw-r--r--drivers/media/video/gspca/gl860/gl860.c61
1 files changed, 29 insertions, 32 deletions
diff --git a/drivers/media/video/gspca/gl860/gl860.c b/drivers/media/video/gspca/gl860/gl860.c
index 6ef59ac7f502..a695e0ae13c2 100644
--- a/drivers/media/video/gspca/gl860/gl860.c
+++ b/drivers/media/video/gspca/gl860/gl860.c
@@ -1,9 +1,7 @@
-/* @file gl860.c
- * @date 2009-08-27
+/* GSPCA subdrivers for Genesys Logic webcams with the GL860 chip
+ * Subdriver core
*
- * Genesys Logic webcam with gl860 subdrivers
- *
- * Driver by Olivier Lorin <o.lorin@laposte.net>
+ * 2009/09/24 Olivier Lorin <o.lorin@laposte.net>
* GSPCA by Jean-Francois Moine <http://moinejf.free.fr>
* Thanks BUGabundo and Malmostoso for your amazing help!
*
@@ -23,8 +21,8 @@
#include "gspca.h"
#include "gl860.h"
-MODULE_AUTHOR("Olivier Lorin <lorin@laposte.net>");
-MODULE_DESCRIPTION("GSPCA/Genesys Logic GL860 USB Camera Driver");
+MODULE_AUTHOR("Olivier Lorin <o.lorin@laposte.net>");
+MODULE_DESCRIPTION("Genesys Logic USB PC Camera Driver");
MODULE_LICENSE("GPL");
/*======================== static function declarations ====================*/
@@ -38,7 +36,7 @@ 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);
+ u8 *data, int len);
static void sd_callback(struct gspca_dev *gspca_dev);
static int gl860_guess_sensor(struct gspca_dev *gspca_dev,
@@ -53,7 +51,7 @@ 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'/'')");
+ " Driver sensor ('MI1320'/'MI2020'/'OV9655'/'OV2640')");
/*============================ webcam controls =============================*/
@@ -156,7 +154,7 @@ static int gl860_build_control_table(struct gspca_dev *gspca_dev)
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)
+ V4L2_CTRL_TYPE_BOOLEAN, "AC power 50Hz", AC50Hz)
return nCtrls;
}
@@ -435,7 +433,7 @@ static void sd_stop0(struct gspca_dev *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)
+ u8 *data, int len)
{
struct sd *sd = (struct sd *) gspca_dev;
static s32 nSkipped;
@@ -447,11 +445,11 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
/* 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);
+ 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, frame, data, 0);
+ gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
break;
default:
@@ -466,7 +464,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
nSkipped = nToSkip + 1;
}
gspca_frame_add(gspca_dev,
- INTER_PACKET, frame, data, len);
+ INTER_PACKET, data, len);
}
break;
}
@@ -702,6 +700,7 @@ static int gl860_guess_sensor(struct gspca_dev *gspca_dev,
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);
@@ -711,14 +710,14 @@ static int gl860_guess_sensor(struct gspca_dev *gspca_dev,
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);
+ PDEBUG(D_PROBE, "probe=0x%02x", probe);
if (probe == 0xff)
nOV++;
}
if (nOV) {
- PDEBUG(D_PROBE, "0xff -> sensor OVXXXX");
- PDEBUG(D_PROBE, "Probing for sensor OV2640 or OV9655");
+ PDEBUG(D_PROBE, "0xff -> OVXXXX");
+ PDEBUG(D_PROBE, "probing for sensor OV2640 or OV9655");
nb26 = nb96 = 0;
for (ntry = 0; ntry < 4; ntry++) {
@@ -728,40 +727,38 @@ static int gl860_guess_sensor(struct gspca_dev *gspca_dev,
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) {
+ 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) {
- 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\"");
+ if (nb26 < 4 && nb96 < 4)
return -1;
- }
- } else { /* probe = 0 */
- PDEBUG(D_PROBE, "No 0xff -> sensor MI2020");
+ } else {
+ PDEBUG(D_PROBE, "Not any 0xff -> MI2020");
sd->sensor = ID_MI2020;
}
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-04 06:05:51 +0000