www.pudn.com > usbold11.rar > ov511.h
#ifndef __LINUX_OV511_H #define __LINUX_OV511_H //#include#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 384 #define FRAMES_PER_DESC 10 /* FIXME - What should this be? */ #define FRAME_SIZE_PER_DESC 993 /* 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; int segment; /* Segment from the incoming data */ 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