#ifndef __LINUX_OV511_H #define __LINUX_OV511_H #include #include #include #define OV511_DEBUG /* Turn on debug messages */ #ifdef OV511_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 /* 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_PWR_CLK 0x54 /* OV511+ only */ #define OV511_REG_SYSTEM_LED_CTL 0x55 /* OV511+ only */ #define OV511_REG_SYSTEM_USER_DEFINED 0x5E #define OV511_REG_SYSTEM_CUSTOM_ID 0x5F /* OmniCE register numbers */ #define OV511_OMNICE_PREDICTION_HORIZ_Y 0x70 #define OV511_OMNICE_PREDICTION_HORIZ_UV 0x71 #define OV511_OMNICE_PREDICTION_VERT_Y 0x72 #define OV511_OMNICE_PREDICTION_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 (OV511 only) */ #define OV511_ALT_SIZE_992 0 #define OV511_ALT_SIZE_993 1 #define OV511_ALT_SIZE_768 2 #define OV511_ALT_SIZE_769 3 #define OV511_ALT_SIZE_512 4 #define OV511_ALT_SIZE_513 5 #define OV511_ALT_SIZE_257 6 #define OV511_ALT_SIZE_0 7 /* Alternate numbers for various max packet sizes (OV511+ only) */ #define OV511PLUS_ALT_SIZE_0 0 #define OV511PLUS_ALT_SIZE_33 1 #define OV511PLUS_ALT_SIZE_129 2 #define OV511PLUS_ALT_SIZE_257 3 #define OV511PLUS_ALT_SIZE_385 4 #define OV511PLUS_ALT_SIZE_513 5 #define OV511PLUS_ALT_SIZE_769 6 #define OV511PLUS_ALT_SIZE_961 7 /* OV7610 registers */ #define OV7610_REG_GAIN 0x00 /* gain setting (5:0) */ #define OV7610_REG_BLUE 0x01 /* blue channel balance */ #define OV7610_REG_RED 0x02 /* red channel balance */ #define OV7610_REG_SAT 0x03 /* saturation */ /* 04 reserved */ #define OV7610_REG_CNT 0x05 /* Y contrast */ #define OV7610_REG_BRT 0x06 /* Y brightness */ /* 08-0b reserved */ #define OV7610_REG_BLUE_BIAS 0x0C /* blue channel bias (5:0) */ #define OV7610_REG_RED_BIAS 0x0D /* read channel bias (5:0) */ #define OV7610_REG_GAMMA_COEFF 0x0E /* gamma settings */ #define OV7610_REG_WB_RANGE 0x0F /* AEC/ALC/S-AWB settings */ #define OV7610_REG_EXP 0x10 /* manual exposure setting */ #define OV7610_REG_CLOCK 0x11 /* polarity/clock prescaler */ #define OV7610_REG_COM_A 0x12 /* misc common regs */ #define OV7610_REG_COM_B 0x13 /* misc common regs */ #define OV7610_REG_COM_C 0x14 /* misc common regs */ #define OV7610_REG_COM_D 0x15 /* misc common regs */ #define OV7610_REG_FIELD_DIVIDE 0x16 /* field interval/mode settings */ #define OV7610_REG_HWIN_START 0x17 /* horizontal window start */ #define OV7610_REG_HWIN_END 0x18 /* horizontal window end */ #define OV7610_REG_VWIN_START 0x19 /* vertical window start */ #define OV7610_REG_VWIN_END 0x1A /* vertical window end */ #define OV7610_REG_PIXEL_SHIFT 0x1B /* pixel shift */ #define OV7610_REG_ID_HIGH 0x1C /* manufacturer ID MSB */ #define OV7610_REG_ID_LOW 0x1D /* manufacturer ID LSB */ /* 0e-0f reserved */ #define OV7610_REG_COM_E 0x20 /* misc common regs */ #define OV7610_REG_YOFFSET 0x21 /* Y channel offset */ #define OV7610_REG_UOFFSET 0x22 /* U channel offset */ /* 23 reserved */ #define OV7610_REG_ECW 0x24 /* Exposure white level for AEC */ #define OV7610_REG_ECB 0x25 /* Exposure black level for AEC */ #define OV7610_REG_COM_F 0x26 /* misc settings */ #define OV7610_REG_COM_G 0x27 /* misc settings */ #define OV7610_REG_COM_H 0x28 /* misc settings */ #define OV7610_REG_COM_I 0x29 /* misc settings */ #define OV7610_REG_FRAMERATE_H 0x2A /* frame rate MSB + misc */ #define OV7610_REG_FRAMERATE_L 0x2B /* frame rate LSB */ #define OV7610_REG_ALC 0x2C /* Auto Level Control settings */ #define OV7610_REG_COM_J 0x2D /* misc settings */ #define OV7610_REG_VOFFSET 0x2E /* V channel offset adjustment */ #define OV7610_REG_ARRAY_BIAS 0x2F /* Array bias -- don't change */ /* 30-32 reserved */ #define OV7610_REG_YGAMMA 0x33 /* misc gamma settings (7:6) */ #define OV7610_REG_BIAS_ADJUST 0x34 /* misc bias settings */ #define OV7610_REG_COM_L 0x35 /* misc settings */ /* 36-37 reserved */ #define OV7610_REG_COM_K 0x38 /* misc registers */ #define SCRATCH_BUF_SIZE 512 #define FRAMES_PER_DESC 10 /* FIXME - What should this be? */ #define FRAME_SIZE_PER_DESC 993 /* FIXME - Deprecated */ #define MAX_FRAME_SIZE_PER_DESC 993 /* For statically allocated stuff */ #define OV511_ENDPOINT_ADDRESS 1 /* Isoc endpoint number */ // CAMERA SPECIFIC // FIXME - these can vary between specific models #define OV7610_I2C_WRITE_ID 0x42 #define OV7610_I2C_READ_ID 0x43 #define OV6xx0_I2C_WRITE_ID 0xC0 #define OV6xx0_I2C_READ_ID 0xC1 #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); /* Bridge types */ enum { BRG_OV511, BRG_OV511PLUS, }; /* Sensor types */ enum { SEN_UNKNOWN, SEN_OV7610, SEN_OV7620, SEN_OV7620AE, SEN_OV6620, }; enum { STATE_SCANNING, /* Scanning for start */ STATE_HEADER, /* Parsing header */ STATE_LINES, /* Parsing lines */ }; /* Buffer states */ enum { BUF_NOT_ALLOCATED, BUF_ALLOCATED, BUF_PEND_DEALLOC, /* ov511->buf_timer is set */ }; 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_regvals { enum { OV511_DONE_BUS, OV511_REG_BUS, OV511_I2C_BUS, } bus; unsigned char reg; unsigned char val; }; struct ov511_frame { char *data; /* Frame buffer */ int depth; /* Bytes per pixel */ int width; /* Width application is expecting */ int height; /* Height */ int hdrwidth; /* Width the frame actually is */ int hdrheight; /* Height */ int sub_flag; /* Sub-capture mode for this frame? */ unsigned int format; /* Format for this frame */ int segsize; /* How big is each segment from the camera? */ 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 */ int snapshot; /* True if frame was a snapshot */ }; #define OV511_NUMFRAMES 2 #define OV511_NUMSBUF 2 struct usb_ov511 { struct video_device vdev; /* Device structure */ struct usb_device *dev; int customid; int desc; unsigned char iface; /* Determined by sensor type */ int maxwidth; int maxheight; int brightness; int colour; int contrast; int hue; int whiteness; 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 sub_flag; /* Pix Array subcapture on flag */ int subx; /* Pix Array subcapture x offset */ int suby; /* Pix Array subcapture y offset */ int subw; /* Pix Array subcapture width */ int subh; /* Pix Array subcapture height */ 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; wait_queue_head_t wq; /* Processes waiting */ int snap_enabled; /* Snapshot mode enabled */ int bridge; /* Type of bridge (OV511 or OV511+) */ int sensor; /* Type of image sensor chip */ int packet_size; /* Frame size per isoc desc */ /* proc interface */ struct semaphore param_lock; /* params lock for this camera */ struct proc_dir_entry *proc_entry; /* /proc/ov511/videoX */ /* Framebuffer/sbuf management */ int buf_state; struct semaphore buf_lock; struct timer_list buf_timer; }; struct cam_list { int id; char *description; }; struct palette_list { int num; char *name; }; struct mode_list { int width; int height; int color; /* 0=grayscale, 1=color */ u8 pxcnt; /* pixel counter */ u8 lncnt; /* line counter */ u8 pxdv; /* pixel divisor */ u8 lndv; /* line divisor */ u8 m420; u8 common_A; u8 common_L; }; #endif