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-rw-r--r--drivers/usb/media/sn9c102.h206
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diff --git a/drivers/usb/media/sn9c102.h b/drivers/usb/media/sn9c102.h
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+++ b/drivers/usb/media/sn9c102.h
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+/***************************************************************************
+ * V4L2 driver for SN9C10x PC Camera Controllers *
+ * *
+ * Copyright (C) 2004-2005 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_H_
+#define _SN9C102_H_
+
+#include <linux/version.h>
+#include <linux/usb.h>
+#include <linux/videodev.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/types.h>
+#include <linux/param.h>
+#include <linux/rwsem.h>
+#include <asm/semaphore.h>
+
+#include "sn9c102_sensor.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_MODULE_NAME "V4L2 driver for SN9C10x PC Camera Controllers"
+#define SN9C102_MODULE_AUTHOR "(C) 2004-2005 Luca Risolia"
+#define SN9C102_AUTHOR_EMAIL "<luca.risolia@studio.unibo.it>"
+#define SN9C102_MODULE_LICENSE "GPL"
+#define SN9C102_MODULE_VERSION "1:1.24"
+#define SN9C102_MODULE_VERSION_CODE KERNEL_VERSION(1, 0, 24)
+
+enum sn9c102_bridge {
+ BRIDGE_SN9C101 = 0x01,
+ BRIDGE_SN9C102 = 0x02,
+ BRIDGE_SN9C103 = 0x04,
+};
+
+SN9C102_ID_TABLE
+SN9C102_SENSOR_TABLE
+
+enum sn9c102_frame_state {
+ F_UNUSED,
+ F_QUEUED,
+ F_GRABBING,
+ F_DONE,
+ F_ERROR,
+};
+
+struct sn9c102_frame_t {
+ void* bufmem;
+ struct v4l2_buffer buf;
+ enum sn9c102_frame_state state;
+ struct list_head frame;
+ unsigned long vma_use_count;
+};
+
+enum sn9c102_dev_state {
+ DEV_INITIALIZED = 0x01,
+ DEV_DISCONNECTED = 0x02,
+ DEV_MISCONFIGURED = 0x04,
+};
+
+enum sn9c102_io_method {
+ IO_NONE,
+ IO_READ,
+ IO_MMAP,
+};
+
+enum sn9c102_stream_state {
+ STREAM_OFF,
+ STREAM_INTERRUPT,
+ STREAM_ON,
+};
+
+typedef char sn9c102_sof_header_t[12];
+typedef char sn9c102_eof_header_t[4];
+
+struct sn9c102_sysfs_attr {
+ u8 reg, i2c_reg;
+ sn9c102_sof_header_t frame_header;
+};
+
+struct sn9c102_module_param {
+ u8 force_munmap;
+};
+
+static DECLARE_MUTEX(sn9c102_sysfs_lock);
+static DECLARE_RWSEM(sn9c102_disconnect);
+
+struct sn9c102_device {
+ struct device dev;
+
+ struct video_device* v4ldev;
+
+ enum sn9c102_bridge bridge;
+ struct sn9c102_sensor* sensor;
+
+ struct usb_device* usbdev;
+ struct urb* urb[SN9C102_URBS];
+ void* transfer_buffer[SN9C102_URBS];
+ u8* control_buffer;
+
+ struct sn9c102_frame_t *frame_current, frame[SN9C102_MAX_FRAMES];
+ struct list_head inqueue, outqueue;
+ u32 frame_count, nbuffers, nreadbuffers;
+
+ enum sn9c102_io_method io;
+ enum sn9c102_stream_state stream;
+
+ struct v4l2_jpegcompression compression;
+
+ struct sn9c102_sysfs_attr sysfs;
+ sn9c102_sof_header_t sof_header;
+ u16 reg[32];
+
+ struct sn9c102_module_param module_param;
+
+ enum sn9c102_dev_state state;
+ u8 users;
+
+ struct semaphore dev_sem, fileop_sem;
+ spinlock_t queue_lock;
+ wait_queue_head_t open, wait_frame, wait_stream;
+};
+
+/*****************************************************************************/
+
+void
+sn9c102_attach_sensor(struct sn9c102_device* cam,
+ struct sn9c102_sensor* sensor)
+{
+ cam->sensor = sensor;
+ cam->sensor->dev = &cam->dev;
+ cam->sensor->usbdev = cam->usbdev;
+}
+
+/*****************************************************************************/
+
+#undef DBG
+#undef KDBG
+#ifdef SN9C102_DEBUG
+# define DBG(level, fmt, args...) \
+{ \
+ if (debug >= (level)) { \
+ if ((level) == 1) \
+ dev_err(&cam->dev, fmt "\n", ## args); \
+ else if ((level) == 2) \
+ dev_info(&cam->dev, fmt "\n", ## args); \
+ else if ((level) >= 3) \
+ dev_info(&cam->dev, "[%s:%d] " fmt "\n", \
+ __FUNCTION__, __LINE__ , ## args); \
+ } \
+}
+# define KDBG(level, fmt, args...) \
+{ \
+ if (debug >= (level)) { \
+ if ((level) == 1 || (level) == 2) \
+ pr_info("sn9c102: " fmt "\n", ## args); \
+ else if ((level) == 3) \
+ pr_debug("sn9c102: [%s:%d] " fmt "\n", __FUNCTION__, \
+ __LINE__ , ## args); \
+ } \
+}
+#else
+# define KDBG(level, fmt, args...) do {;} while(0);
+# define DBG(level, fmt, args...) do {;} while(0);
+#endif
+
+#undef PDBG
+#define PDBG(fmt, args...) \
+dev_info(&cam->dev, "[%s:%d] " fmt "\n", __FUNCTION__, __LINE__ , ## args);
+
+#undef PDBGG
+#define PDBGG(fmt, args...) do {;} while(0); /* placeholder */
+
+#endif /* _SN9C102_H_ */
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