[PATCH] USB: Add ZC0301 Video4Linux2 driver
This patch adds a Video4Linux2 driver for ZC0301
Image Processor and Control Chip.
Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/media/zc0301_sensor.h b/drivers/usb/media/zc0301_sensor.h
new file mode 100644
index 0000000..8890e32
--- /dev/null
+++ b/drivers/usb/media/zc0301_sensor.h
@@ -0,0 +1,98 @@
+/***************************************************************************
+ * API for image sensors connected to the ZC030! Image Processor and *
+ * Control Chip *
+ * *
+ * Copyright (C) 2006 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 _ZC0301_SENSOR_H_
+#define _ZC0301_SENSOR_H_
+
+#include <linux/usb.h>
+#include <linux/videodev.h>
+#include <linux/device.h>
+#include <linux/stddef.h>
+#include <linux/errno.h>
+#include <asm/types.h>
+
+struct zc0301_device;
+struct zc0301_sensor;
+
+/*****************************************************************************/
+
+extern int zc0301_probe_pas202bcb(struct zc0301_device* cam);
+
+#define ZC0301_SENSOR_TABLE \
+/* Weak detections must go at the end of the list */ \
+static int (*zc0301_sensor_table[])(struct zc0301_device*) = { \
+ &zc0301_probe_pas202bcb, \
+ NULL, \
+};
+
+extern void
+zc0301_attach_sensor(struct zc0301_device* cam,
+ struct zc0301_sensor* sensor);
+
+#define ZC0301_USB_DEVICE(vend, prod, intclass) \
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
+ USB_DEVICE_ID_MATCH_INT_CLASS, \
+ .idVendor = (vend), \
+ .idProduct = (prod), \
+ .bInterfaceClass = (intclass)
+
+#define ZC0301_ID_TABLE \
+static const struct usb_device_id zc0301_id_table[] = { \
+ { ZC0301_USB_DEVICE(0x046d, 0x08ae, 0xff), }, /* PAS202BCB */ \
+ { } \
+};
+
+/*****************************************************************************/
+
+extern int zc0301_write_reg(struct zc0301_device*, u16 index, u16 value);
+extern int zc0301_read_reg(struct zc0301_device*, u16 index);
+extern int zc0301_i2c_write(struct zc0301_device*, u16 address, u16 value);
+extern int zc0301_i2c_read(struct zc0301_device*, u16 address, u8 length);
+
+/*****************************************************************************/
+
+#define ZC0301_MAX_CTRLS V4L2_CID_LASTP1-V4L2_CID_BASE+10
+#define ZC0301_V4L2_CID_DAC_MAGNITUDE V4L2_CID_PRIVATE_BASE
+#define ZC0301_V4L2_CID_GREEN_BALANCE V4L2_CID_PRIVATE_BASE + 1
+
+struct zc0301_sensor {
+ char name[32];
+
+ struct v4l2_queryctrl qctrl[ZC0301_MAX_CTRLS];
+ struct v4l2_cropcap cropcap;
+ struct v4l2_pix_format pix_format;
+
+ int (*init)(struct zc0301_device* cam);
+ int (*get_ctrl)(struct zc0301_device* cam,
+ struct v4l2_control* ctrl);
+ int (*set_ctrl)(struct zc0301_device* cam,
+ const struct v4l2_control* ctrl);
+ int (*set_crop)(struct zc0301_device* cam,
+ const struct v4l2_rect* rect);
+
+ const struct usb_device* usbdev;
+
+ /* Private */
+ struct v4l2_queryctrl _qctrl[ZC0301_MAX_CTRLS];
+ struct v4l2_rect _rect;
+};
+
+#endif /* _ZC0301_SENSOR_H_ */