#ifndef __LINUX_OV511_H #define __LINUX_OV511_H #include #include "compat.h" #include #include #include #include #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) #include #else /* Having a version check for each mutex defined is annoying */ #define mutex semaphore #endif #define OV511_DEBUG /* Turn on debug messages */ #ifdef OV511_DEBUG #define PDEBUG(level, fmt, args...) \ if (debug >= (level)) info("[%s:%d] " fmt, \ __FUNCTION__, __LINE__ , ## args) #else #define PDEBUG(level, fmt, args...) do {} while(0) #endif /* This macro restricts an int variable to an inclusive range */ #define RESTRICT_TO_RANGE(v,mi,ma) { \ if ((v) < (mi)) (v) = (mi); \ else if ((v) > (ma)) (v) = (ma); \ } /* --------------------------------- */ /* DEFINES FOR OV511 AND OTHER CHIPS */ /* --------------------------------- */ /* USB IDs */ #define VEND_OMNIVISION 0x05A9 #define PROD_OV511 0x0511 #define PROD_OV511PLUS 0xA511 #define PROD_OV518 0x0518 #define PROD_OV518PLUS 0xA518 #define VEND_MATTEL 0x0813 #define PROD_ME2CAM 0x0002 /* --------------------------------- */ /* OV51x REGISTER MNEMONICS */ /* --------------------------------- */ /* Camera interface register numbers */ #define R511_CAM_DELAY 0x10 #define R511_CAM_EDGE 0x11 #define R511_CAM_PXCNT 0x12 #define R511_CAM_LNCNT 0x13 #define R511_CAM_PXDIV 0x14 #define R511_CAM_LNDIV 0x15 #define R511_CAM_UV_EN 0x16 #define R511_CAM_LINE_MODE 0x17 #define R511_CAM_OPTS 0x18 /* Snapshot mode camera interface register numbers */ #define R511_SNAP_FRAME 0x19 #define R511_SNAP_PXCNT 0x1A #define R511_SNAP_LNCNT 0x1B #define R511_SNAP_PXDIV 0x1C #define R511_SNAP_LNDIV 0x1D #define R511_SNAP_UV_EN 0x1E #define R511_SNAP_OPTS 0x1F /* DRAM register numbers */ #define R511_DRAM_FLOW_CTL 0x20 #define R511_DRAM_ARCP 0x21 #define R511_DRAM_MRC 0x22 #define R511_DRAM_RFC 0x23 /* ISO FIFO register numbers */ #define R51x_FIFO_PSIZE 0x30 /* 2 bytes wide w/ OV518(+) */ #define R511_FIFO_OPTS 0x31 /* Parallel IO register numbers */ #define R511_PIO_OPTS 0x38 #define R511_PIO_DATA 0x39 #define R511_PIO_BIST 0x3E #define R518_GPIO_IN 0x55 /* OV518(+) only */ #define R518_GPIO_OUT 0x56 /* OV518(+) only */ #define R518_GPIO_CTL 0x57 /* OV518(+) only */ #define R518_GPIO_PULSE_IN 0x58 /* OV518(+) only */ #define R518_GPIO_PULSE_CLEAR 0x59 /* OV518(+) only */ #define R518_GPIO_PULSE_POL 0x5a /* OV518(+) only */ #define R518_GPIO_PULSE_EN 0x5b /* OV518(+) only */ #define R518_GPIO_RESET 0x5c /* OV518(+) only */ /* I2C registers */ #define R511_I2C_CTL 0x40 #define R518_I2C_CTL 0x47 /* OV518(+) only */ #define R51x_I2C_W_SID 0x41 #define R51x_I2C_SADDR_3 0x42 #define R51x_I2C_SADDR_2 0x43 #define R51x_I2C_R_SID 0x44 #define R51x_I2C_DATA 0x45 #define R51x_I2C_CLOCK 0x46 #define R51x_I2C_TIMEOUT 0x47 /* I2C snapshot registers */ #define R511_SI2C_SADDR_3 0x48 #define R511_SI2C_DATA 0x49 /* System control registers */ #define R51x_SYS_RESET 0x50 /* Reset type definitions */ #define OV511_RESET_UDC 0x01 #define OV511_RESET_I2C 0x02 #define OV511_RESET_FIFO 0x04 #define OV511_RESET_OMNICE 0x08 #define OV511_RESET_DRAM 0x10 #define OV511_RESET_CAM_INT 0x20 #define OV511_RESET_OV511 0x40 #define OV511_RESET_NOREGS 0x3F /* All but OV511 & regs */ #define OV511_RESET_ALL 0x7F #define R511_SYS_CLOCK_DIV 0x51 #define R51x_SYS_SNAP 0x52 #define R51x_SYS_INIT 0x53 #define R511_SYS_PWR_CLK 0x54 /* OV511+/OV518(+) only */ #define R511_SYS_LED_CTL 0x55 /* OV511+ only */ #define R511_SYS_USER 0x5E #define R511_SYS_CUST_ID 0x5F /* OmniCE (compression) registers */ #define R511_COMP_PHY 0x70 #define R511_COMP_PHUV 0x71 #define R511_COMP_PVY 0x72 #define R511_COMP_PVUV 0x73 #define R511_COMP_QHY 0x74 #define R511_COMP_QHUV 0x75 #define R511_COMP_QVY 0x76 #define R511_COMP_QVUV 0x77 #define R511_COMP_EN 0x78 #define R511_COMP_LUT_EN 0x79 #define R511_COMP_LUT_BEGIN 0x80 /* --------------------------------- */ /* ALTERNATE NUMBERS */ /* --------------------------------- */ /* 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 /* Alternate numbers for various max packet sizes (OV518(+) only) */ #define OV518_ALT_SIZE_0 0 #define OV518_ALT_SIZE_128 1 #define OV518_ALT_SIZE_256 2 #define OV518_ALT_SIZE_384 3 #define OV518_ALT_SIZE_512 4 #define OV518_ALT_SIZE_640 5 #define OV518_ALT_SIZE_768 6 #define OV518_ALT_SIZE_896 7 /* --------------------------------- */ /* OV7610 REGISTER MNEMONICS */ /* --------------------------------- */ /* 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 */ /* --------------------------------- */ /* I2C ADDRESSES */ /* --------------------------------- */ #define OV7xx0_SID 0x42 #define OV6xx0_SID 0xC0 #define OV8xx0_SID 0xA0 #define KS0127_SID 0xD8 #define SAA7111A_SID 0x48 /* --------------------------------- */ /* MISCELLANEOUS DEFINES */ /* --------------------------------- */ #define I2C_CLOCK_PRESCALER 0x03 #define FRAMES_PER_DESC 10 /* FIXME - What should this be? */ #define MAX_FRAME_SIZE_PER_DESC 993 /* For statically allocated stuff */ #define PIXELS_PER_SEG 256 /* Pixels per segment */ #define OV511_ENDPOINT_ADDRESS 1 /* Isoc endpoint number */ #define OV511_NUMFRAMES 2 #if OV511_NUMFRAMES > VIDEO_MAX_FRAME #error "OV511_NUMFRAMES is too high" #endif #define OV511_NUMSBUF 2 /* Control transfers use up to 4 bytes */ #define OV511_CBUF_SIZE 4 /* Size of usb_make_path() buffer */ #define OV511_USB_PATH_LEN 64 /* Bridge types */ enum { BRG_UNKNOWN, BRG_OV511, BRG_OV511PLUS, BRG_OV518, BRG_OV518PLUS, }; /* Bridge classes */ enum { BCL_UNKNOWN, BCL_OV511, BCL_OV518, }; /* Sensor types */ enum { SEN_UNKNOWN, SEN_OV76BE, SEN_OV7610, SEN_OV7620, SEN_OV7620AE, SEN_OV6620, SEN_OV6630, SEN_OV6630AE, SEN_OV6630AF, SEN_OV8600, SEN_KS0127, SEN_KS0127B, SEN_SAA7111A, }; enum { STATE_SCANNING, /* Scanning for start */ STATE_HEADER, /* Parsing header */ STATE_LINES, /* Parsing lines */ }; /* Buffer states */ enum { BUF_NOT_ALLOCATED, BUF_ALLOCATED, }; /* --------- Definition of ioctl interface --------- */ #define OV511_INTERFACE_VER 101 /* LED options */ enum { LED_OFF, LED_ON, LED_AUTO, }; /* Raw frame formats */ enum { RAWFMT_INVALID, RAWFMT_YUV400, RAWFMT_YUV420, RAWFMT_YUV422, RAWFMT_GBR422, }; struct ov511_i2c_struct { unsigned char slave; /* Write slave ID (read ID - 1) */ unsigned char reg; /* Index of register */ unsigned char value; /* User sets this w/ write, driver does w/ read */ unsigned char mask; /* Bits to be changed. Not used with read ops */ }; /* ioctls */ #define OV511IOC_WI2C _IOW('v', BASE_VIDIOCPRIVATE + 5, \ struct ov511_i2c_struct) #define OV511IOC_RI2C _IOWR('v', BASE_VIDIOCPRIVATE + 6, \ struct ov511_i2c_struct) /* ------------- End IOCTL interface -------------- */ struct usb_ov511; /* Forward declaration */ struct ov511_sbuf { struct usb_ov511 *ov; unsigned char *data; struct urb *urb; spinlock_t lock; int n; }; 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 { int framenum; /* Index of this frame */ unsigned char *data; /* Frame buffer */ unsigned char *tempdata; /* Temp buffer for multi-stage conversions */ unsigned char *rawdata; /* Raw camera data buffer */ unsigned char *compbuf; /* Temp buffer for decompressor */ int depth; /* Bytes per pixel */ int width; /* Width application is expecting */ int height; /* Height application is expecting */ int rawwidth; /* Actual width of frame sent from camera */ int rawheight; /* Actual height of frame sent from camera */ int sub_flag; /* Sub-capture mode for this frame? */ unsigned int format; /* Format for this frame */ int compressed; /* Is frame compressed? */ volatile int grabstate; /* State of grabbing */ int scanstate; /* State of scanning */ int bytes_recvd; /* Number of image bytes received from camera */ long bytes_read; /* Amount that has been read() */ wait_queue_head_t wq; /* Processes waiting */ int snapshot; /* True if frame was a snapshot */ }; #define DECOMP_INTERFACE_VER 4 /* Compression module operations */ struct ov51x_decomp_ops { int (*decomp_400)(unsigned char *, unsigned char *, unsigned char *, int, int, int); int (*decomp_420)(unsigned char *, unsigned char *, unsigned char *, int, int, int); int (*decomp_422)(unsigned char *, unsigned char *, unsigned char *, int, int, int); struct module *owner; }; struct usb_ov511 { struct video_device *vdev; struct usb_device *dev; int customid; char *desc; unsigned char iface; char usb_path[OV511_USB_PATH_LEN]; /* Determined by sensor type */ int maxwidth; int maxheight; int minwidth; int minheight; int brightness; int colour; int contrast; int hue; int whiteness; int exposure; int auto_brt; /* Auto brightness enabled flag */ int auto_gain; /* Auto gain control enabled flag */ int auto_exp; /* Auto exposure enabled flag */ int backlight; /* Backlight exposure algorithm flag */ int mirror; /* Image is reversed horizontally */ int led_policy; /* LED: off|on|auto; OV511+ only */ struct mutex lock; /* Serializes user-accessible operations */ 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? */ int compress_inited; /* Are compression params uploaded? */ int lightfreq; /* Power (lighting) frequency */ int bandfilt; /* Banding filter enabled flag */ unsigned char *fbuf; /* Videodev buffer area */ unsigned char *tempfbuf; /* Temporary (intermediate) buffer area */ unsigned char *rawfbuf; /* Raw camera data 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]; struct ov511_sbuf sbuf[OV511_NUMSBUF]; wait_queue_head_t wq; /* Processes waiting */ int snap_enabled; /* Snapshot mode enabled */ int bridge; /* Type of bridge (BRG_*) */ int bclass; /* Class of bridge (BCL_*) */ int sensor; /* Type of image sensor chip (SEN_*) */ int packet_size; /* Frame size per isoc desc */ int packet_numbering; /* Is ISO frame numbering enabled? */ /* Framebuffer/sbuf management */ int buf_state; struct mutex buf_lock; struct ov51x_decomp_ops *decomp_ops; /* Stop streaming while changing picture settings */ int stop_during_set; int stopped; /* Streaming is temporarily paused */ /* Video decoder stuff */ int input; /* Composite, S-VIDEO, etc... */ int num_inputs; /* Number of inputs */ int norm; /* NTSC / PAL / SECAM */ int has_decoder; /* Device has a video decoder */ int pal; /* Device is designed for PAL resolution */ /* I2C interface */ struct mutex i2c_lock; /* Protect I2C controller regs */ unsigned char primary_i2c_slave; /* I2C write id of sensor */ /* Control transaction stuff */ unsigned char *cbuf; /* Buffer for payload */ struct mutex cbuf_lock; }; /* Used to represent a list of values and their respective symbolic names */ struct symbolic_list { int num; char *name; }; #define NOT_DEFINED_STR "Unknown" /* Returns the name of the matching element in the symbolic_list array. The * end of the list must be marked with an element that has a NULL name. */ static inline char * symbolic(struct symbolic_list list[], int num) { int i; for (i = 0; list[i].name != NULL; i++) if (list[i].num == num) return (list[i].name); return (NOT_DEFINED_STR); } /* Compression stuff */ #define OV511_QUANTABLESIZE 64 #define OV518_QUANTABLESIZE 32 #define OV511_YQUANTABLE { \ 0, 1, 1, 2, 2, 3, 3, 4, \ 1, 1, 1, 2, 2, 3, 4, 4, \ 1, 1, 2, 2, 3, 4, 4, 4, \ 2, 2, 2, 3, 4, 4, 4, 4, \ 2, 2, 3, 4, 4, 5, 5, 5, \ 3, 3, 4, 4, 5, 5, 5, 5, \ 3, 4, 4, 4, 5, 5, 5, 5, \ 4, 4, 4, 4, 5, 5, 5, 5 \ } #define OV511_UVQUANTABLE { \ 0, 2, 2, 3, 4, 4, 4, 4, \ 2, 2, 2, 4, 4, 4, 4, 4, \ 2, 2, 3, 4, 4, 4, 4, 4, \ 3, 4, 4, 4, 4, 4, 4, 4, \ 4, 4, 4, 4, 4, 4, 4, 4, \ 4, 4, 4, 4, 4, 4, 4, 4, \ 4, 4, 4, 4, 4, 4, 4, 4, \ 4, 4, 4, 4, 4, 4, 4, 4 \ } #define OV518_YQUANTABLE { \ 5, 4, 5, 6, 6, 7, 7, 7, \ 5, 5, 5, 5, 6, 7, 7, 7, \ 6, 6, 6, 6, 7, 7, 7, 8, \ 7, 7, 6, 7, 7, 7, 8, 8 \ } #define OV518_UVQUANTABLE { \ 6, 6, 6, 7, 7, 7, 7, 7, \ 6, 6, 6, 7, 7, 7, 7, 7, \ 6, 6, 6, 7, 7, 7, 7, 8, \ 7, 7, 7, 7, 7, 7, 8, 8 \ } #endif