patch-2.4.6 linux/drivers/usb/se401.h

• Lines: 235
• Date: Wed Jun 27 13:59:32 2001
• Orig file: v2.4.5/linux/drivers/usb/se401.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.5/linux/drivers/usb/se401.h linux/drivers/usb/se401.h
@@ -0,0 +1,234 @@
+
+#ifndef __LINUX_se401_H
+#define __LINUX_se401_H
+
+#include <asm/uaccess.h>
+#include <linux/videodev.h>
+#include <linux/smp_lock.h>
+
+#define se401_DEBUG	/* Turn on debug messages */
+
+#ifdef se401_DEBUG
+#  define PDEBUG(level, fmt, args...) \
+if (debug >= level) info("[" __PRETTY_FUNCTION__ ":%d] " fmt, __LINE__ , ## args)
+#else
+#  define PDEBUG(level, fmt, args...) do {} while(0)
+#endif
+
+/* An almost drop-in replacement for sleep_on_interruptible */
+#define wait_interruptible(test, queue, wait) \
+{ \
+	add_wait_queue(queue, wait); \
+	set_current_state(TASK_INTERRUPTIBLE); \
+	if (test) \
+		schedule(); \
+	remove_wait_queue(queue, wait); \
+	set_current_state(TASK_RUNNING); \
+	if (signal_pending(current)) \
+		break; \
+}
+
+#define SE401_REQ_GET_CAMERA_DESCRIPTOR		0x06
+#define SE401_REQ_START_CONTINUOUS_CAPTURE	0x41
+#define SE401_REQ_STOP_CONTINUOUS_CAPTURE	0x42
+#define SE401_REQ_CAPTURE_FRAME			0x43
+#define SE401_REQ_GET_BRT			0x44
+#define SE401_REQ_SET_BRT			0x45
+#define SE401_REQ_GET_WIDTH			0x4c
+#define SE401_REQ_SET_WIDTH			0x4d
+#define SE401_REQ_GET_HEIGHT			0x4e
+#define SE401_REQ_SET_HEIGHT			0x4f
+#define SE401_REQ_GET_OUTPUT_MODE		0x50
+#define SE401_REQ_SET_OUTPUT_MODE		0x51
+#define SE401_REQ_GET_EXT_FEATURE		0x52
+#define SE401_REQ_SET_EXT_FEATURE		0x53
+#define SE401_REQ_CAMERA_POWER			0x56
+#define SE401_REQ_LED_CONTROL			0x57
+#define SE401_REQ_BIOS				0xff
+
+#define SE401_BIOS_READ				0x07
+
+#define SE401_FORMAT_BAYER	0x40
+
+/* Hyundai hv7131b registers
+   7121 and 7141 should be the same (haven't really checked...) */
+/* Mode registers: */
+#define HV7131_REG_MODE_A		0x00
+#define HV7131_REG_MODE_B		0x01
+#define HV7131_REG_MODE_C		0x02
+/* Frame registers: */
+#define HV7131_REG_FRSU		0x10
+#define HV7131_REG_FRSL		0x11
+#define HV7131_REG_FCSU		0x12
+#define HV7131_REG_FCSL		0x13
+#define HV7131_REG_FWHU		0x14
+#define HV7131_REG_FWHL		0x15
+#define HV7131_REG_FWWU		0x16
+#define HV7131_REG_FWWL		0x17
+/* Timing registers: */
+#define HV7131_REG_THBU		0x20
+#define HV7131_REG_THBL		0x21
+#define HV7131_REG_TVBU		0x22
+#define HV7131_REG_TVBL		0x23
+#define HV7131_REG_TITU		0x25
+#define HV7131_REG_TITM		0x26
+#define HV7131_REG_TITL		0x27
+#define HV7131_REG_TMCD		0x28
+/* Adjust Registers: */
+#define HV7131_REG_ARLV		0x30
+#define HV7131_REG_ARCG		0x31
+#define HV7131_REG_AGCG		0x32
+#define HV7131_REG_ABCG		0x33
+#define HV7131_REG_APBV		0x34
+#define HV7131_REG_ASLP		0x54
+/* Offset Registers: */
+#define HV7131_REG_OFSR		0x50
+#define HV7131_REG_OFSG		0x51
+#define HV7131_REG_OFSB		0x52
+/* REset level statistics registers: */
+#define HV7131_REG_LOREFNOH	0x57
+#define HV7131_REG_LOREFNOL	0x58
+#define HV7131_REG_HIREFNOH	0x59
+#define HV7131_REG_HIREFNOL	0x5a
+
+/* se401 registers */
+#define SE401_OPERATINGMODE	0x2000
+
+
+/* size of usb transfers */
+#define SE401_PACKETSIZE	4096
+/* number of queued bulk transfers to use, should be about 8 */
+#define SE401_NUMSBUF		1
+/* read the usb specs for this one :) */
+#define SE401_VIDEO_ENDPOINT	1
+#define SE401_BUTTON_ENDPOINT	2
+/* number of frames supported by the v4l part */
+#define SE401_NUMFRAMES		2
+/* scratch buffers for passing data to the decoders */
+#define SE401_NUMSCRATCH	32
+/* maximum amount of data in a JangGu packet */
+#define SE401_VLCDATALEN	1024
+/* number of nul sized packets to receive before kicking the camera */
+#define SE401_MAX_NULLPACKETS	4000
+/* number of decoding errors before kicking the camera */
+#define SE401_MAX_ERRORS	200
+
+struct usb_device;
+
+struct se401_sbuf {
+	unsigned char *data;
+};
+
+enum {
+	FRAME_UNUSED,		/* Unused (no MCAPTURE) */
+	FRAME_READY,		/* Ready to start grabbing */
+	FRAME_GRABBING,		/* In the process of being grabbed into */
+	FRAME_DONE,		/* Finished grabbing, but not been synced yet */
+	FRAME_ERROR,		/* Something bad happened while processing */
+};
+
+enum {
+	FMT_BAYER,
+	FMT_JANGGU,
+};
+
+enum {
+	BUFFER_UNUSED,
+	BUFFER_READY,
+	BUFFER_BUSY,
+	BUFFER_DONE,
+};
+
+struct se401_scratch {
+	unsigned char *data;
+	volatile int state;
+	int offset;
+	int length;
+};
+
+struct se401_frame {
+	unsigned char *data;		/* Frame buffer */
+
+	volatile int grabstate;	/* State of grabbing */
+
+	unsigned char *curline;
+	int curlinepix;
+	int curpix;
+};
+
+struct usb_se401 {
+	struct video_device vdev;
+
+	/* Device structure */
+	struct usb_device *dev;
+
+	unsigned char iface;
+
+	char *camera_name;
+
+	int change;
+	int brightness;
+	int hue;
+	int rgain;
+	int ggain;
+	int bgain;
+	int expose_h;
+	int expose_m;
+	int expose_l;
+	int resetlevel;
+	
+	int enhance;
+
+	int format;
+	int sizes;
+	int *width;
+	int *height;
+	int cwidth;		/* current width */
+	int cheight;		/* current height */
+	int palette;
+	int maxframesize;
+	int cframesize;		/* current framesize */
+
+	struct semaphore lock;
+	int user;		/* user count for exclusive use */
+
+	int streaming;		/* Are we streaming video? */
+
+	char *fbuf;		/* Videodev buffer area */
+
+	urb_t *urb[SE401_NUMSBUF];
+	urb_t *inturb;
+	
+	int button;
+	int buttonpressed;
+
+	int curframe;		/* Current receiving frame */
+	struct se401_frame frame[SE401_NUMFRAMES];	
+	int readcount;
+	int framecount;
+	int error;
+	int dropped;
+
+	int scratch_next;
+	int scratch_use;
+	int scratch_overflow;
+	struct se401_scratch scratch[SE401_NUMSCRATCH];
+
+	/* Decoder specific data: */
+	unsigned char vlcdata[SE401_VLCDATALEN];
+	int vlcdatapos;
+	int bayeroffset;
+
+	struct se401_sbuf sbuf[SE401_NUMSBUF];
+
+	wait_queue_head_t wq;	/* Processes waiting */
+
+	/* proc interface */
+	struct proc_dir_entry *proc_entry;	/* /proc/se401/videoX */
+
+	int nullpackets;
+};
+
+
+#endif
+