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#ifndef __LINUX_OV511_H
#define __LINUX_OV511_H
//#include <linux/list.h>
#define OV511_DEBUG /* Turn on debug messages */
#ifdef OV511_DEBUG
# define PDEBUG(fmt, args...) printk("ov511: " fmt, ## args)
#else
# define PDEBUG(fmt, args...) /* Nothing */
#endif
/* Camera interface register numbers */
#define OV511_REG_CAMERA_DELAY_MODE 0x10
#define OV511_REG_CAMERA_EDGE_MODE 0x11
#define OV511_REG_CAMERA_CLAMPED_PIXEL_NUM 0x12
#define OV511_REG_CAMERA_CLAMPED_LINE_NUM 0x13
#define OV511_REG_CAMERA_PIXEL_DIVISOR 0x14
#define OV511_REG_CAMERA_LINE_DIVISOR 0x15
#define OV511_REG_CAMERA_DATA_INPUT_SELECT 0x16
#define OV511_REG_CAMERA_RESERVED_LINE_MODE 0x17
#define OV511_REG_CAMERA_BITMASK 0x18
/* Snapshot mode camera interface register numbers */
#define OV511_REG_SNAP_CAPTURED_FRAME 0x19
#define OV511_REG_SNAP_CLAMPED_PIXEL_NUM 0x1A
#define OV511_REG_SNAP_CLAMPED_LINE_NUM 0x1B
#define OV511_REG_SNAP_PIXEL_DIVISOR 0x1C
#define OV511_REG_SNAP_LINE_DIVISOR 0x1D
#define OV511_REG_SNAP_DATA_INPUT_SELECT 0x1E
#define OV511_REG_SNAP_BITMASK 0x1F
/* DRAM register numbers */
#define OV511_REG_DRAM_ENABLE_FLOW_CONTROL 0x20
#define OV511_REG_DRAM_READ_CYCLE_PREDICT 0x21
#define OV511_REG_DRAM_MANUAL_READ_CYCLE 0x22
#define OV511_REG_DRAM_REFRESH_COUNTER 0x23
/* ISO FIFO register numbers */
#define OV511_REG_FIFO_PACKET_SIZE 0x30
#define OV511_REG_FIFO_BITMASK 0x31
/* PIO register numbers */
#define OV511_REG_PIO_BITMASK 0x38
#define OV511_REG_PIO_DATA_PORT 0x39
#define OV511_REG_PIO_BIST 0x3E
/* I2C register numbers */
#define OV511_REG_I2C_CONTROL 0x40
#define OV511_REG_I2C_SLAVE_ID_WRITE 0x41
#define OV511_REG_I2C_SUB_ADDRESS_3_BYTE 0x42
#define OV511_REG_I2C_SUB_ADDRESS_2_BYTE 0x43
#define OV511_REG_I2C_SLAVE_ID_READ 0x44
#define OV511_REG_I2C_DATA_PORT 0x45
#define OV511_REG_I2C_CLOCK_PRESCALER 0x46
#define OV511_REG_I2C_TIME_OUT_COUNTER 0x47
/* I2C snapshot register numbers */
#define OV511_REG_I2C_SNAP_SUB_ADDRESS 0x48
#define OV511_REG_I2C_SNAP_DATA_PORT 0x49
/* System control register numbers */
#define OV511_REG_SYSTEM_RESET 0x50
#define OV511_RESET_UDC 0x01
#define OV511_RESET_I2C 0x02
#define OV511_RESET_FIFO 0x04
#define OV511_RESET_OMNICE 0x08
#define OV511_RESET_DRAM_INTF 0x10
#define OV511_RESET_CAMERA_INTF 0x20
#define OV511_RESET_OV511 0x40
#define OV511_RESET_NOREGS 0x3F /* All but OV511 & regs */
#define OV511_RESET_ALL 0x7F
#define OV511_REG_SYSTEM_CLOCK_DIVISOR 0x51
#define OV511_REG_SYSTEM_SNAPSHOT 0x52
#define OV511_REG_SYSTEM_INIT 0x53
#define OV511_REG_SYSTEM_USER_DEFINED 0x5E
#define OV511_REG_SYSTEM_CUSTOM_ID 0x5F
/* OmniCE register numbers */
#define OV511_OMNICE_PREDICATION_HORIZ_Y 0x70
#define OV511_OMNICE_PREDICATION_HORIZ_UV 0x71
#define OV511_OMNICE_PREDICATION_VERT_Y 0x72
#define OV511_OMNICE_PREDICATION_VERT_UV 0x73
#define OV511_OMNICE_QUANTIZATION_HORIZ_Y 0x74
#define OV511_OMNICE_QUANTIZATION_HORIZ_UV 0x75
#define OV511_OMNICE_QUANTIZATION_VERT_Y 0x76
#define OV511_OMNICE_QUANTIZATION_VERT_UV 0x77
#define OV511_OMNICE_ENABLE 0x78
#define OV511_OMNICE_LUT_ENABLE 0x79
#define OV511_OMNICE_Y_LUT_BEGIN 0x80
#define OV511_OMNICE_Y_LUT_END 0x9F
#define OV511_OMNICE_UV_LUT_BEGIN 0xA0
#define OV511_OMNICE_UV_LUT_END 0xBF
/* Alternate numbers for various max packet sizes */
#define OV511_ALTERNATE_SIZE_992 0
#define OV511_ALTERNATE_SIZE_993 1
#define OV511_ALTERNATE_SIZE_768 2
#define OV511_ALTERNATE_SIZE_769 3
#define OV511_ALTERNATE_SIZE_512 4
#define OV511_ALTERNATE_SIZE_513 5
#define OV511_ALTERNATE_SIZE_257 6
#define OV511_ALTERNATE_SIZE_0 7
#define STREAM_BUF_SIZE (PAGE_SIZE * 4)
#define SCRATCH_BUF_SIZE (STREAM_BUF_SIZE * 2)
#define FRAMES_PER_DESC 10 /* FIXME - What should this be? */
#define FRAME_SIZE_PER_DESC 512 /* FIXME - Shouldn't be hardcoded */
// FIXME - should this be 0x81 (endpoint address) or 0x01 (endpoint number)?
#define OV511_ENDPOINT_ADDRESS 0x81 /* Address of isoc endpoint */
// CAMERA SPECIFIC
// FIXME - these can vary between specific models
#define OV7610_I2C_WRITE_ID 0x42
#define OV7610_I2C_READ_ID 0x43
#define OV511_I2C_CLOCK_PRESCALER 0x03
/* Prototypes */
int usb_ov511_reg_read(struct usb_device *dev, unsigned char reg);
int usb_ov511_reg_write(struct usb_device *dev, unsigned char reg, unsigned char value);
enum {
STATE_SCANNING, /* Scanning for start */
STATE_HEADER, /* Parsing header */
STATE_LINES, /* Parsing lines */
};
struct ov511_frame_header {
// FIXME - nothing here yet
};
struct usb_device;
struct ov511_sbuf {
char *data;
urb_t *urb;
};
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 */
};
struct ov511_frame {
char *data; /* Frame buffer */
struct ov511_frame_header header; /* Header from stream */
int width; /* Width application is expecting */
int height; /* Height */
int hdrwidth; /* Width the frame actually is */
int hdrheight; /* Height */
volatile int grabstate; /* State of grabbing */
int scanstate; /* State of scanning */
int curline; /* Line of frame we're working on */
int curpix;
long scanlength; /* uncompressed, raw data length of frame */
long bytes_read; /* amount of scanlength that has been read from *data */
wait_queue_head_t wq; /* Processes waiting */
};
#define OV511_NUMFRAMES 2
#define OV511_NUMSBUF 2
struct usb_ov511 {
struct video_device vdev;
/* Device structure */
struct usb_device *dev;
unsigned char customid; /* Type of camera */
unsigned char iface;
struct semaphore lock;
int user; /* user count for exclusive use */
int streaming; /* Are we streaming Isochronous? */
int grabbing; /* Are we grabbing? */
int compress; /* Should the next frame be compressed? */
char *fbuf; /* Videodev buffer area */
int curframe; /* Current receiving sbuf */
struct ov511_frame frame[OV511_NUMFRAMES];
int cursbuf; /* Current receiving sbuf */
struct ov511_sbuf sbuf[OV511_NUMSBUF];
/* Scratch space from the Isochronous pipe */
unsigned char scratch[SCRATCH_BUF_SIZE];
int scratchlen;
};
#endif
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