summaryrefslogtreecommitdiff
path: root/linux/drivers/media
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@infradead.org>2007-01-08 17:25:26 -0200
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-01-08 17:25:26 -0200
commitd0651bdd2bd96a6f1f6cc6d512c0f43c99f5aa24 (patch)
tree71dd114d45f479dc919c59e2ba5218c3ecbbf5b5 /linux/drivers/media
parent6f995db9f06b9bd222e05df9a0ff23b27c52e31d (diff)
downloadmediapointer-dvb-s2-d0651bdd2bd96a6f1f6cc6d512c0f43c99f5aa24.tar.gz
mediapointer-dvb-s2-d0651bdd2bd96a6f1f6cc6d512c0f43c99f5aa24.tar.bz2
Several files were missed on changeset 5062 (c2546b022fa6)
From: Mauro Carvalho Chehab <mchehab@infradead.org> This patch should be fold to sha1 c2546b022fa6 before merging on mainstream. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media')
-rw-r--r--linux/drivers/media/video/sn9c102/sn9c102_config.h86
-rw-r--r--linux/drivers/media/video/sn9c102/sn9c102_devtable.h142
-rw-r--r--linux/drivers/media/video/sn9c102/sn9c102_ov7660.c592
3 files changed, 820 insertions, 0 deletions
diff --git a/linux/drivers/media/video/sn9c102/sn9c102_config.h b/linux/drivers/media/video/sn9c102/sn9c102_config.h
new file mode 100644
index 000000000..0f4e0378b
--- /dev/null
+++ b/linux/drivers/media/video/sn9c102/sn9c102_config.h
@@ -0,0 +1,86 @@
+/***************************************************************************
+ * Global parameters for the V4L2 driver for SN9C1xx PC Camera Controllers *
+ * *
+ * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * *
+ * 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 *
+ * (at your option) 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, write to the Free Software *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
+ ***************************************************************************/
+
+#ifndef _SN9C102_CONFIG_H_
+#define _SN9C102_CONFIG_H_
+
+#include <linux/types.h>
+#include <linux/jiffies.h>
+
+#define SN9C102_DEBUG
+#define SN9C102_DEBUG_LEVEL 2
+#define SN9C102_MAX_DEVICES 64
+#define SN9C102_PRESERVE_IMGSCALE 0
+#define SN9C102_FORCE_MUNMAP 0
+#define SN9C102_MAX_FRAMES 32
+#define SN9C102_URBS 2
+#define SN9C102_ISO_PACKETS 7
+#define SN9C102_ALTERNATE_SETTING 8
+#define SN9C102_URB_TIMEOUT msecs_to_jiffies(2 * SN9C102_ISO_PACKETS)
+#define SN9C102_CTRL_TIMEOUT 300
+#define SN9C102_FRAME_TIMEOUT 0
+
+/*****************************************************************************/
+
+static const u8 SN9C102_Y_QTABLE0[64] = {
+ 8, 5, 5, 8, 12, 20, 25, 30,
+ 6, 6, 7, 9, 13, 29, 30, 27,
+ 7, 6, 8, 12, 20, 28, 34, 28,
+ 7, 8, 11, 14, 25, 43, 40, 31,
+ 9, 11, 18, 28, 34, 54, 51, 38,
+ 12, 17, 27, 32, 40, 52, 56, 46,
+ 24, 32, 39, 43, 51, 60, 60, 50,
+ 36, 46, 47, 49, 56, 50, 51, 49
+};
+
+static const u8 SN9C102_UV_QTABLE0[64] = {
+ 8, 9, 12, 23, 49, 49, 49, 49,
+ 9, 10, 13, 33, 49, 49, 49, 49,
+ 12, 13, 28, 49, 49, 49, 49, 49,
+ 23, 33, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49
+};
+
+static const u8 SN9C102_Y_QTABLE1[64] = {
+ 16, 11, 10, 16, 24, 40, 51, 61,
+ 12, 12, 14, 19, 26, 58, 60, 55,
+ 14, 13, 16, 24, 40, 57, 69, 56,
+ 14, 17, 22, 29, 51, 87, 80, 62,
+ 18, 22, 37, 56, 68, 109, 103, 77,
+ 24, 35, 55, 64, 81, 104, 113, 92,
+ 49, 64, 78, 87, 103, 121, 120, 101,
+ 72, 92, 95, 98, 112, 100, 103, 99
+};
+
+static const u8 SN9C102_UV_QTABLE1[64] = {
+ 17, 18, 24, 47, 99, 99, 99, 99,
+ 18, 21, 26, 66, 99, 99, 99, 99,
+ 24, 26, 56, 99, 99, 99, 99, 99,
+ 47, 66, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99
+};
+
+#endif /* _SN9C102_CONFIG_H_ */
diff --git a/linux/drivers/media/video/sn9c102/sn9c102_devtable.h b/linux/drivers/media/video/sn9c102/sn9c102_devtable.h
new file mode 100644
index 000000000..3a682eca6
--- /dev/null
+++ b/linux/drivers/media/video/sn9c102/sn9c102_devtable.h
@@ -0,0 +1,142 @@
+/***************************************************************************
+ * Table of device identifiers of the SN9C1xx PC Camera Controllers *
+ * *
+ * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * *
+ * 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 *
+ * (at your option) 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, write to the Free Software *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
+ ***************************************************************************/
+
+#ifndef _SN9C102_DEVTABLE_H_
+#define _SN9C102_DEVTABLE_H_
+
+#include <linux/usb.h>
+
+struct sn9c102_device;
+
+/*
+ Each SN9C1xx camera has proper PID/VID identifiers.
+ SN9C103, SN9C105, SN9C120 support multiple interfaces, but we only have to
+ handle the video class interface.
+*/
+#define SN9C102_USB_DEVICE(vend, prod, bridge) \
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
+ USB_DEVICE_ID_MATCH_INT_CLASS, \
+ .idVendor = (vend), \
+ .idProduct = (prod), \
+ .bInterfaceClass = 0xff, \
+ .driver_info = (bridge)
+
+static const struct usb_device_id sn9c102_id_table[] = {
+ /* SN9C101 and SN9C102 */
+ { SN9C102_USB_DEVICE(0x0c45, 0x6001, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6005, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6007, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6009, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6011, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x600d, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6019, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6024, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6025, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6028, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6029, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x602a, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x602b, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x602c, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x602d, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x602e, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6030, BRIDGE_SN9C102), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x603f, BRIDGE_SN9C102), },
+ /* SN9C103 */
+ { SN9C102_USB_DEVICE(0x0c45, 0x6080, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6082, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6083, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x6088, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x608a, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x608b, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x608c, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x608e, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x608f, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60a0, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60a2, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60a3, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60a8, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60aa, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60ab, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60ac, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60ae, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60af, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60b0, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60b2, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60b3, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60b8, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60ba, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60bb, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60bc, BRIDGE_SN9C103), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60be, BRIDGE_SN9C103), },
+ /* SN9C105 */
+ { SN9C102_USB_DEVICE(0x0471, 0x0327, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0471, 0x0328, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60c0, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60c8, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60cc, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60ea, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60ec, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60fa, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60fb, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60fc, BRIDGE_SN9C105), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x60fe, BRIDGE_SN9C105), },
+ /* SN9C120 */
+ { SN9C102_USB_DEVICE(0x0c45, 0x6130, BRIDGE_SN9C120), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x613a, BRIDGE_SN9C120), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x613b, BRIDGE_SN9C120), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x613c, BRIDGE_SN9C120), },
+ { SN9C102_USB_DEVICE(0x0c45, 0x613e, BRIDGE_SN9C120), },
+ { }
+};
+
+/*
+ Probing functions: on success, you must attach the sensor to the camera
+ by calling sn9c102_attach_sensor().
+ To enable the I2C communication, you might need to perform a really basic
+ initialization of the SN9C1XX chip.
+ Functions must return 0 on success, the appropriate error otherwise.
+*/
+extern int sn9c102_probe_hv7131d(struct sn9c102_device* cam);
+extern int sn9c102_probe_mi0343(struct sn9c102_device* cam);
+extern int sn9c102_probe_ov7630(struct sn9c102_device* cam);
+extern int sn9c102_probe_ov7660(struct sn9c102_device* cam);
+extern int sn9c102_probe_pas106b(struct sn9c102_device* cam);
+extern int sn9c102_probe_pas202bcb(struct sn9c102_device* cam);
+extern int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam);
+extern int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam);
+
+/*
+ Add the above entries to this table. Be sure to add the entry in the right
+ place, since, on failure, the next probing routine is called according to
+ the order of the list below, from top to bottom.
+*/
+static int (*sn9c102_sensor_table[])(struct sn9c102_device*) = {
+ &sn9c102_probe_mi0343, /* strong detection based on SENSOR ids */
+ &sn9c102_probe_pas106b, /* strong detection based on SENSOR ids */
+ &sn9c102_probe_pas202bcb, /* strong detection based on SENSOR ids */
+ &sn9c102_probe_hv7131d, /* strong detection based on SENSOR ids */
+ &sn9c102_probe_ov7630, /* strong detection based on SENSOR ids */
+ &sn9c102_probe_ov7660, /* strong detection based on SENSOR ids */
+ &sn9c102_probe_tas5110c1b, /* detection based on USB pid/vid */
+ &sn9c102_probe_tas5130d1b, /* detection based on USB pid/vid */
+ NULL,
+};
+
+#endif /* _SN9C102_DEVTABLE_H_ */
diff --git a/linux/drivers/media/video/sn9c102/sn9c102_ov7660.c b/linux/drivers/media/video/sn9c102/sn9c102_ov7660.c
new file mode 100644
index 000000000..d670c24d4
--- /dev/null
+++ b/linux/drivers/media/video/sn9c102/sn9c102_ov7660.c
@@ -0,0 +1,592 @@
+/***************************************************************************
+ * Plug-in for OV7660 image sensor connected to the SN9C1xx PC Camera *
+ * Controllers *
+ * *
+ * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * *
+ * 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 *
+ * (at your option) 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, write to the Free Software *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
+ ***************************************************************************/
+
+#include "sn9c102_sensor.h"
+
+
+static struct sn9c102_sensor ov7660;
+
+
+static int ov7660_init(struct sn9c102_device* cam)
+{
+ int err = 0;
+
+ err += sn9c102_write_reg(cam, 0x40, 0x02);
+ err += sn9c102_write_reg(cam, 0x00, 0x03);
+ err += sn9c102_write_reg(cam, 0x1a, 0x04);
+ err += sn9c102_write_reg(cam, 0x03, 0x10);
+ err += sn9c102_write_reg(cam, 0x08, 0x14);
+ err += sn9c102_write_reg(cam, 0x20, 0x17);
+ err += sn9c102_write_reg(cam, 0x8b, 0x18);
+ err += sn9c102_write_reg(cam, 0x00, 0x19);
+ err += sn9c102_write_reg(cam, 0x1d, 0x1a);
+ err += sn9c102_write_reg(cam, 0x10, 0x1b);
+ err += sn9c102_write_reg(cam, 0x02, 0x1c);
+ err += sn9c102_write_reg(cam, 0x03, 0x1d);
+ err += sn9c102_write_reg(cam, 0x0f, 0x1e);
+ err += sn9c102_write_reg(cam, 0x0c, 0x1f);
+ err += sn9c102_write_reg(cam, 0x00, 0x20);
+ err += sn9c102_write_reg(cam, 0x29, 0x21);
+ err += sn9c102_write_reg(cam, 0x40, 0x22);
+ err += sn9c102_write_reg(cam, 0x54, 0x23);
+ err += sn9c102_write_reg(cam, 0x66, 0x24);
+ err += sn9c102_write_reg(cam, 0x76, 0x25);
+ err += sn9c102_write_reg(cam, 0x85, 0x26);
+ err += sn9c102_write_reg(cam, 0x94, 0x27);
+ err += sn9c102_write_reg(cam, 0xa1, 0x28);
+ err += sn9c102_write_reg(cam, 0xae, 0x29);
+ err += sn9c102_write_reg(cam, 0xbb, 0x2a);
+ err += sn9c102_write_reg(cam, 0xc7, 0x2b);
+ err += sn9c102_write_reg(cam, 0xd3, 0x2c);
+ err += sn9c102_write_reg(cam, 0xde, 0x2d);
+ err += sn9c102_write_reg(cam, 0xea, 0x2e);
+ err += sn9c102_write_reg(cam, 0xf4, 0x2f);
+ err += sn9c102_write_reg(cam, 0xff, 0x30);
+ err += sn9c102_write_reg(cam, 0x00, 0x3F);
+ err += sn9c102_write_reg(cam, 0xC7, 0x40);
+ err += sn9c102_write_reg(cam, 0x01, 0x41);
+ err += sn9c102_write_reg(cam, 0x44, 0x42);
+ err += sn9c102_write_reg(cam, 0x00, 0x43);
+ err += sn9c102_write_reg(cam, 0x44, 0x44);
+ err += sn9c102_write_reg(cam, 0x00, 0x45);
+ err += sn9c102_write_reg(cam, 0x44, 0x46);
+ err += sn9c102_write_reg(cam, 0x00, 0x47);
+ err += sn9c102_write_reg(cam, 0xC7, 0x48);
+ err += sn9c102_write_reg(cam, 0x01, 0x49);
+ err += sn9c102_write_reg(cam, 0xC7, 0x4A);
+ err += sn9c102_write_reg(cam, 0x01, 0x4B);
+ err += sn9c102_write_reg(cam, 0xC7, 0x4C);
+ err += sn9c102_write_reg(cam, 0x01, 0x4D);
+ err += sn9c102_write_reg(cam, 0x44, 0x4E);
+ err += sn9c102_write_reg(cam, 0x00, 0x4F);
+ err += sn9c102_write_reg(cam, 0x44, 0x50);
+ err += sn9c102_write_reg(cam, 0x00, 0x51);
+ err += sn9c102_write_reg(cam, 0x44, 0x52);
+ err += sn9c102_write_reg(cam, 0x00, 0x53);
+ err += sn9c102_write_reg(cam, 0xC7, 0x54);
+ err += sn9c102_write_reg(cam, 0x01, 0x55);
+ err += sn9c102_write_reg(cam, 0xC7, 0x56);
+ err += sn9c102_write_reg(cam, 0x01, 0x57);
+ err += sn9c102_write_reg(cam, 0xC7, 0x58);
+ err += sn9c102_write_reg(cam, 0x01, 0x59);
+ err += sn9c102_write_reg(cam, 0x44, 0x5A);
+ err += sn9c102_write_reg(cam, 0x00, 0x5B);
+ err += sn9c102_write_reg(cam, 0x44, 0x5C);
+ err += sn9c102_write_reg(cam, 0x00, 0x5D);
+ err += sn9c102_write_reg(cam, 0x44, 0x5E);
+ err += sn9c102_write_reg(cam, 0x00, 0x5F);
+ err += sn9c102_write_reg(cam, 0xC7, 0x60);
+ err += sn9c102_write_reg(cam, 0x01, 0x61);
+ err += sn9c102_write_reg(cam, 0xC7, 0x62);
+ err += sn9c102_write_reg(cam, 0x01, 0x63);
+ err += sn9c102_write_reg(cam, 0xC7, 0x64);
+ err += sn9c102_write_reg(cam, 0x01, 0x65);
+ err += sn9c102_write_reg(cam, 0x44, 0x66);
+ err += sn9c102_write_reg(cam, 0x00, 0x67);
+ err += sn9c102_write_reg(cam, 0x44, 0x68);
+ err += sn9c102_write_reg(cam, 0x00, 0x69);
+ err += sn9c102_write_reg(cam, 0x44, 0x6A);
+ err += sn9c102_write_reg(cam, 0x00, 0x6B);
+ err += sn9c102_write_reg(cam, 0xC7, 0x6C);
+ err += sn9c102_write_reg(cam, 0x01, 0x6D);
+ err += sn9c102_write_reg(cam, 0xC7, 0x6E);
+ err += sn9c102_write_reg(cam, 0x01, 0x6F);
+ err += sn9c102_write_reg(cam, 0xC7, 0x70);
+ err += sn9c102_write_reg(cam, 0x01, 0x71);
+ err += sn9c102_write_reg(cam, 0x44, 0x72);
+ err += sn9c102_write_reg(cam, 0x00, 0x73);
+ err += sn9c102_write_reg(cam, 0x44, 0x74);
+ err += sn9c102_write_reg(cam, 0x00, 0x75);
+ err += sn9c102_write_reg(cam, 0x44, 0x76);
+ err += sn9c102_write_reg(cam, 0x00, 0x77);
+ err += sn9c102_write_reg(cam, 0xC7, 0x78);
+ err += sn9c102_write_reg(cam, 0x01, 0x79);
+ err += sn9c102_write_reg(cam, 0xC7, 0x7A);
+ err += sn9c102_write_reg(cam, 0x01, 0x7B);
+ err += sn9c102_write_reg(cam, 0xC7, 0x7C);
+ err += sn9c102_write_reg(cam, 0x01, 0x7D);
+ err += sn9c102_write_reg(cam, 0x44, 0x7E);
+ err += sn9c102_write_reg(cam, 0x00, 0x7F);
+ err += sn9c102_write_reg(cam, 0x14, 0x84);
+ err += sn9c102_write_reg(cam, 0x00, 0x85);
+ err += sn9c102_write_reg(cam, 0x27, 0x86);
+ err += sn9c102_write_reg(cam, 0x00, 0x87);
+ err += sn9c102_write_reg(cam, 0x07, 0x88);
+ err += sn9c102_write_reg(cam, 0x00, 0x89);
+ err += sn9c102_write_reg(cam, 0xEC, 0x8A);
+ err += sn9c102_write_reg(cam, 0x0f, 0x8B);
+ err += sn9c102_write_reg(cam, 0xD8, 0x8C);
+ err += sn9c102_write_reg(cam, 0x0f, 0x8D);
+ err += sn9c102_write_reg(cam, 0x3D, 0x8E);
+ err += sn9c102_write_reg(cam, 0x00, 0x8F);
+ err += sn9c102_write_reg(cam, 0x3D, 0x90);
+ err += sn9c102_write_reg(cam, 0x00, 0x91);
+ err += sn9c102_write_reg(cam, 0xCD, 0x92);
+ err += sn9c102_write_reg(cam, 0x0f, 0x93);
+ err += sn9c102_write_reg(cam, 0xf7, 0x94);
+ err += sn9c102_write_reg(cam, 0x0f, 0x95);
+ err += sn9c102_write_reg(cam, 0x0C, 0x96);
+ err += sn9c102_write_reg(cam, 0x00, 0x97);
+ err += sn9c102_write_reg(cam, 0x00, 0x98);
+ err += sn9c102_write_reg(cam, 0x66, 0x99);
+ err += sn9c102_write_reg(cam, 0x05, 0x9A);
+ err += sn9c102_write_reg(cam, 0x00, 0x9B);
+ err += sn9c102_write_reg(cam, 0x04, 0x9C);
+ err += sn9c102_write_reg(cam, 0x00, 0x9D);
+ err += sn9c102_write_reg(cam, 0x08, 0x9E);
+ err += sn9c102_write_reg(cam, 0x00, 0x9F);
+ err += sn9c102_write_reg(cam, 0x2D, 0xC0);
+ err += sn9c102_write_reg(cam, 0x2D, 0xC1);
+ err += sn9c102_write_reg(cam, 0x3A, 0xC2);
+ err += sn9c102_write_reg(cam, 0x05, 0xC3);
+ err += sn9c102_write_reg(cam, 0x04, 0xC4);
+ err += sn9c102_write_reg(cam, 0x3F, 0xC5);
+ err += sn9c102_write_reg(cam, 0x00, 0xC6);
+ err += sn9c102_write_reg(cam, 0x00, 0xC7);
+ err += sn9c102_write_reg(cam, 0x50, 0xC8);
+ err += sn9c102_write_reg(cam, 0x3C, 0xC9);
+ err += sn9c102_write_reg(cam, 0x28, 0xCA);
+ err += sn9c102_write_reg(cam, 0xD8, 0xCB);
+ err += sn9c102_write_reg(cam, 0x14, 0xCC);
+ err += sn9c102_write_reg(cam, 0xEC, 0xCD);
+ err += sn9c102_write_reg(cam, 0x32, 0xCE);
+ err += sn9c102_write_reg(cam, 0xDD, 0xCF);
+ err += sn9c102_write_reg(cam, 0x32, 0xD0);
+ err += sn9c102_write_reg(cam, 0xDD, 0xD1);
+ err += sn9c102_write_reg(cam, 0x6A, 0xD2);
+ err += sn9c102_write_reg(cam, 0x50, 0xD3);
+ err += sn9c102_write_reg(cam, 0x00, 0xD4);
+ err += sn9c102_write_reg(cam, 0x00, 0xD5);
+ err += sn9c102_write_reg(cam, 0x00, 0xD6);
+
+ err += sn9c102_i2c_write(cam, 0x12, 0x80);
+ err += sn9c102_i2c_write(cam, 0x11, 0x09);
+ err += sn9c102_i2c_write(cam, 0x00, 0x0A);
+ err += sn9c102_i2c_write(cam, 0x01, 0x78);
+ err += sn9c102_i2c_write(cam, 0x02, 0x90);
+ err += sn9c102_i2c_write(cam, 0x03, 0x00);
+ err += sn9c102_i2c_write(cam, 0x04, 0x00);
+ err += sn9c102_i2c_write(cam, 0x05, 0x08);
+ err += sn9c102_i2c_write(cam, 0x06, 0x0B);
+ err += sn9c102_i2c_write(cam, 0x07, 0x00);
+ err += sn9c102_i2c_write(cam, 0x08, 0x1C);
+ err += sn9c102_i2c_write(cam, 0x09, 0x01);
+ err += sn9c102_i2c_write(cam, 0x0A, 0x76);
+ err += sn9c102_i2c_write(cam, 0x0B, 0x60);
+ err += sn9c102_i2c_write(cam, 0x0C, 0x00);
+ err += sn9c102_i2c_write(cam, 0x0D, 0x08);
+ err += sn9c102_i2c_write(cam, 0x0E, 0x04);
+ err += sn9c102_i2c_write(cam, 0x0F, 0x6F);
+ err += sn9c102_i2c_write(cam, 0x10, 0x20);
+ err += sn9c102_i2c_write(cam, 0x11, 0x03);
+ err += sn9c102_i2c_write(cam, 0x12, 0x05);
+ err += sn9c102_i2c_write(cam, 0x13, 0xF8);
+ err += sn9c102_i2c_write(cam, 0x14, 0x2C);
+ err += sn9c102_i2c_write(cam, 0x15, 0x00);
+ err += sn9c102_i2c_write(cam, 0x16, 0x02);
+ err += sn9c102_i2c_write(cam, 0x17, 0x10);
+ err += sn9c102_i2c_write(cam, 0x18, 0x60);
+ err += sn9c102_i2c_write(cam, 0x19, 0x02);
+ err += sn9c102_i2c_write(cam, 0x1A, 0x7B);
+ err += sn9c102_i2c_write(cam, 0x1B, 0x02);
+ err += sn9c102_i2c_write(cam, 0x1C, 0x7F);
+ err += sn9c102_i2c_write(cam, 0x1D, 0xA2);
+ err += sn9c102_i2c_write(cam, 0x1E, 0x01);
+ err += sn9c102_i2c_write(cam, 0x1F, 0x0E);
+ err += sn9c102_i2c_write(cam, 0x20, 0x05);
+ err += sn9c102_i2c_write(cam, 0x21, 0x05);
+ err += sn9c102_i2c_write(cam, 0x22, 0x05);
+ err += sn9c102_i2c_write(cam, 0x23, 0x05);
+ err += sn9c102_i2c_write(cam, 0x24, 0x68);
+ err += sn9c102_i2c_write(cam, 0x25, 0x58);
+ err += sn9c102_i2c_write(cam, 0x26, 0xD4);
+ err += sn9c102_i2c_write(cam, 0x27, 0x80);
+ err += sn9c102_i2c_write(cam, 0x28, 0x80);
+ err += sn9c102_i2c_write(cam, 0x29, 0x30);
+ err += sn9c102_i2c_write(cam, 0x2A, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2B, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2C, 0x80);
+ err += sn9c102_i2c_write(cam, 0x2D, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2E, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2F, 0x0E);
+ err += sn9c102_i2c_write(cam, 0x30, 0x08);
+ err += sn9c102_i2c_write(cam, 0x31, 0x30);
+ err += sn9c102_i2c_write(cam, 0x32, 0xB4);
+ err += sn9c102_i2c_write(cam, 0x33, 0x00);
+ err += sn9c102_i2c_write(cam, 0x34, 0x07);
+ err += sn9c102_i2c_write(cam, 0x35, 0x84);
+ err += sn9c102_i2c_write(cam, 0x36, 0x00);
+ err += sn9c102_i2c_write(cam, 0x37, 0x0C);
+ err += sn9c102_i2c_write(cam, 0x38, 0x02);
+ err += sn9c102_i2c_write(cam, 0x39, 0x43);
+ err += sn9c102_i2c_write(cam, 0x3A, 0x00);
+ err += sn9c102_i2c_write(cam, 0x3B, 0x02);
+ err += sn9c102_i2c_write(cam, 0x3C, 0x6C);
+ err += sn9c102_i2c_write(cam, 0x3D, 0x99);
+ err += sn9c102_i2c_write(cam, 0x3E, 0x0E);
+ err += sn9c102_i2c_write(cam, 0x3F, 0x41);
+ err += sn9c102_i2c_write(cam, 0x40, 0xC1);
+ err += sn9c102_i2c_write(cam, 0x41, 0x22);
+ err += sn9c102_i2c_write(cam, 0x42, 0x08);
+ err += sn9c102_i2c_write(cam, 0x43, 0xF0);
+ err += sn9c102_i2c_write(cam, 0x44, 0x10);
+ err += sn9c102_i2c_write(cam, 0x45, 0x78);
+ err += sn9c102_i2c_write(cam, 0x46, 0xA8);
+ err += sn9c102_i2c_write(cam, 0x47, 0x60);
+ err += sn9c102_i2c_write(cam, 0x48, 0x80);
+ err += sn9c102_i2c_write(cam, 0x49, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4A, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4B, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4C, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4D, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4E, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4F, 0x46);
+ err += sn9c102_i2c_write(cam, 0x50, 0x36);
+ err += sn9c102_i2c_write(cam, 0x51, 0x0F);
+ err += sn9c102_i2c_write(cam, 0x52, 0x17);
+ err += sn9c102_i2c_write(cam, 0x53, 0x7F);
+ err += sn9c102_i2c_write(cam, 0x54, 0x96);
+ err += sn9c102_i2c_write(cam, 0x55, 0x40);
+ err += sn9c102_i2c_write(cam, 0x56, 0x40);
+ err += sn9c102_i2c_write(cam, 0x57, 0x40);
+ err += sn9c102_i2c_write(cam, 0x58, 0x0F);
+ err += sn9c102_i2c_write(cam, 0x59, 0xBA);
+ err += sn9c102_i2c_write(cam, 0x5A, 0x9A);
+ err += sn9c102_i2c_write(cam, 0x5B, 0x22);
+ err += sn9c102_i2c_write(cam, 0x5C, 0xB9);
+ err += sn9c102_i2c_write(cam, 0x5D, 0x9B);
+ err += sn9c102_i2c_write(cam, 0x5E, 0x10);
+ err += sn9c102_i2c_write(cam, 0x5F, 0xF0);
+ err += sn9c102_i2c_write(cam, 0x60, 0x05);
+ err += sn9c102_i2c_write(cam, 0x61, 0x60);
+ err += sn9c102_i2c_write(cam, 0x62, 0x00);
+ err += sn9c102_i2c_write(cam, 0x63, 0x00);
+ err += sn9c102_i2c_write(cam, 0x64, 0x50);
+ err += sn9c102_i2c_write(cam, 0x65, 0x30);
+ err += sn9c102_i2c_write(cam, 0x66, 0x00);
+ err += sn9c102_i2c_write(cam, 0x67, 0x80);
+ err += sn9c102_i2c_write(cam, 0x68, 0x7A);
+ err += sn9c102_i2c_write(cam, 0x69, 0x90);
+ err += sn9c102_i2c_write(cam, 0x6A, 0x80);
+ err += sn9c102_i2c_write(cam, 0x6B, 0x0A);
+ err += sn9c102_i2c_write(cam, 0x6C, 0x30);
+ err += sn9c102_i2c_write(cam, 0x6D, 0x48);
+ err += sn9c102_i2c_write(cam, 0x6E, 0x80);
+ err += sn9c102_i2c_write(cam, 0x6F, 0x74);
+ err += sn9c102_i2c_write(cam, 0x70, 0x64);
+ err += sn9c102_i2c_write(cam, 0x71, 0x60);
+ err += sn9c102_i2c_write(cam, 0x72, 0x5C);
+ err += sn9c102_i2c_write(cam, 0x73, 0x58);
+ err += sn9c102_i2c_write(cam, 0x74, 0x54);
+ err += sn9c102_i2c_write(cam, 0x75, 0x4C);
+ err += sn9c102_i2c_write(cam, 0x76, 0x40);
+ err += sn9c102_i2c_write(cam, 0x77, 0x38);
+ err += sn9c102_i2c_write(cam, 0x78, 0x34);
+ err += sn9c102_i2c_write(cam, 0x79, 0x30);
+ err += sn9c102_i2c_write(cam, 0x7A, 0x2F);
+ err += sn9c102_i2c_write(cam, 0x7B, 0x2B);
+ err += sn9c102_i2c_write(cam, 0x7C, 0x03);
+ err += sn9c102_i2c_write(cam, 0x7D, 0x07);
+ err += sn9c102_i2c_write(cam, 0x7E, 0x17);
+ err += sn9c102_i2c_write(cam, 0x7F, 0x34);
+ err += sn9c102_i2c_write(cam, 0x80, 0x41);
+ err += sn9c102_i2c_write(cam, 0x81, 0x4D);
+ err += sn9c102_i2c_write(cam, 0x82, 0x58);
+ err += sn9c102_i2c_write(cam, 0x83, 0x63);
+ err += sn9c102_i2c_write(cam, 0x84, 0x6E);
+ err += sn9c102_i2c_write(cam, 0x85, 0x77);
+ err += sn9c102_i2c_write(cam, 0x86, 0x87);
+ err += sn9c102_i2c_write(cam, 0x87, 0x95);
+ err += sn9c102_i2c_write(cam, 0x88, 0xAF);
+ err += sn9c102_i2c_write(cam, 0x89, 0xC7);
+ err += sn9c102_i2c_write(cam, 0x8A, 0xDF);
+ err += sn9c102_i2c_write(cam, 0x8B, 0x99);
+ err += sn9c102_i2c_write(cam, 0x8C, 0x99);
+ err += sn9c102_i2c_write(cam, 0x8D, 0xCF);
+ err += sn9c102_i2c_write(cam, 0x8E, 0x20);
+ err += sn9c102_i2c_write(cam, 0x8F, 0x26);
+ err += sn9c102_i2c_write(cam, 0x90, 0x10);
+ err += sn9c102_i2c_write(cam, 0x91, 0x0C);
+ err += sn9c102_i2c_write(cam, 0x92, 0x25);
+ err += sn9c102_i2c_write(cam, 0x93, 0x00);
+ err += sn9c102_i2c_write(cam, 0x94, 0x50);
+ err += sn9c102_i2c_write(cam, 0x95, 0x50);
+ err += sn9c102_i2c_write(cam, 0x96, 0x00);
+ err += sn9c102_i2c_write(cam, 0x97, 0x01);
+ err += sn9c102_i2c_write(cam, 0x98, 0x10);
+ err += sn9c102_i2c_write(cam, 0x99, 0x40);
+ err += sn9c102_i2c_write(cam, 0x9A, 0x40);
+ err += sn9c102_i2c_write(cam, 0x9B, 0x20);
+ err += sn9c102_i2c_write(cam, 0x9C, 0x00);
+ err += sn9c102_i2c_write(cam, 0x9D, 0x99);
+ err += sn9c102_i2c_write(cam, 0x9E, 0x7F);
+ err += sn9c102_i2c_write(cam, 0x9F, 0x00);
+ err += sn9c102_i2c_write(cam, 0xA0, 0x00);
+ err += sn9c102_i2c_write(cam, 0xA1, 0x00);
+
+ return err;
+}
+
+
+static int ov7660_get_ctrl(struct sn9c102_device* cam,
+ struct v4l2_control* ctrl)
+{
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0)
+ return -EIO;
+ break;
+ case V4L2_CID_DO_WHITE_BALANCE:
+ ctrl->value = sn9c102_pread_reg(cam, 0x02);
+ ctrl->value = (ctrl->value & 0x04) ? 1 : 0;
+ break;
+ case V4L2_CID_RED_BALANCE:
+ ctrl->value = sn9c102_pread_reg(cam, 0x05);
+ ctrl->value &= 0x7f;
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ ctrl->value = sn9c102_pread_reg(cam, 0x06);
+ ctrl->value &= 0x7f;
+ break;
+ case SN9C102_V4L2_CID_GREEN_BALANCE:
+ ctrl->value = sn9c102_pread_reg(cam, 0x07);
+ ctrl->value &= 0x7f;
+ break;
+ case V4L2_CID_GAIN:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0)
+ return -EIO;
+ ctrl->value &= 0x7f;
+ break;
+ case V4L2_CID_AUTOGAIN:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0)
+ return -EIO;
+ ctrl->value &= 0x01;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+
+static int ov7660_set_ctrl(struct sn9c102_device* cam,
+ const struct v4l2_control* ctrl)
+{
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE:
+ err += sn9c102_i2c_write(cam, 0x10, ctrl->value);
+ break;
+ case V4L2_CID_DO_WHITE_BALANCE:
+ err += sn9c102_write_reg(cam, 0x43 | (ctrl->value << 2), 0x02);
+ break;
+ case V4L2_CID_RED_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x05);
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x06);
+ break;
+ case SN9C102_V4L2_CID_GREEN_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x07);
+ break;
+ case V4L2_CID_GAIN:
+ err += sn9c102_i2c_write(cam, 0x00, ctrl->value);
+ break;
+ case V4L2_CID_AUTOGAIN:
+ err += sn9c102_i2c_write(cam, 0x13, 0xf0 | ctrl->value |
+ (ctrl->value << 1));
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+
+static int ov7660_set_crop(struct sn9c102_device* cam,
+ const struct v4l2_rect* rect)
+{
+ struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
+ int err = 0;
+ u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1,
+ v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
+
+ err += sn9c102_write_reg(cam, h_start, 0x12);
+ err += sn9c102_write_reg(cam, v_start, 0x13);
+
+ return err;
+}
+
+
+static int ov7660_set_pix_format(struct sn9c102_device* cam,
+ const struct v4l2_pix_format* pix)
+{
+ int r0, err = 0;
+
+ r0 = sn9c102_pread_reg(cam, 0x01);
+
+ if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
+ err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
+ err += sn9c102_write_reg(cam, 0xa2, 0x17);
+ err += sn9c102_i2c_write(cam, 0x11, 0x00);
+ } else {
+ err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
+ err += sn9c102_write_reg(cam, 0xa2, 0x17);
+ err += sn9c102_i2c_write(cam, 0x11, 0x0d);
+ }
+
+ return err;
+}
+
+
+static struct sn9c102_sensor ov7660 = {
+ .name = "OV7660",
+ .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+ .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120,
+ .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
+ .frequency = SN9C102_I2C_100KHZ,
+ .interface = SN9C102_I2C_2WIRES,
+ .i2c_slave_id = 0x21,
+ .init = &ov7660_init,
+ .qctrl = {
+ {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "global gain",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x01,
+ .default_value = 0x0a,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "exposure",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 0x01,
+ .default_value = 0x50,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_DO_WHITE_BALANCE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "night mode",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "red balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x01,
+ .default_value = 0x1f,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "blue balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x01,
+ .default_value = 0x1e,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "auto adjust",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ {
+ .id = SN9C102_V4L2_CID_GREEN_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "green balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x01,
+ .default_value = 0x20,
+ .flags = 0,
+ },
+ },
+ .get_ctrl = &ov7660_get_ctrl,
+ .set_ctrl = &ov7660_set_ctrl,
+ .cropcap = {
+ .bounds = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ .defrect = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ },
+ .set_crop = &ov7660_set_crop,
+ .pix_format = {
+ .width = 640,
+ .height = 480,
+ .pixelformat = V4L2_PIX_FMT_JPEG,
+ .priv = 8,
+ },
+ .set_pix_format = &ov7660_set_pix_format
+};
+
+
+int sn9c102_probe_ov7660(struct sn9c102_device* cam)
+{
+ int pid, ver, err = 0;
+
+ err += sn9c102_write_reg(cam, 0x01, 0xf1);
+ err += sn9c102_write_reg(cam, 0x00, 0xf1);
+ err += sn9c102_write_reg(cam, 0x01, 0x01);
+ err += sn9c102_write_reg(cam, 0x00, 0x01);
+ err += sn9c102_write_reg(cam, 0x28, 0x17);
+
+ pid = sn9c102_i2c_try_read(cam, &ov7660, 0x0a);
+ ver = sn9c102_i2c_try_read(cam, &ov7660, 0x0b);
+ if (err || pid < 0 || ver < 0)
+ return -EIO;
+ if (pid != 0x76 || ver != 0x60)
+ return -ENODEV;
+ sn9c102_attach_sensor(cam, &ov7660);
+
+ return 0;
+}