#ifndef __LINUX_CPIA_H #define __LINUX_CPIA_H #include #define USB_REQ_CPIA_GET_VERSION 0x01 #define USB_REQ_CPIA_GET_PNP_ID 0x02 #define USB_REQ_CPIA_GET_CAMERA_STATUS 0x03 #define USB_REQ_CPIA_GOTO_HI_POWER 0x04 #define USB_REQ_CPIA_GOTO_LO_POWER 0x05 /* No 0x06 */ #define USB_REQ_CPIA_GOTO_SUSPEND 0x07 #define USB_REQ_CPIA_GOTO_PASS_THROUGH 0x08 /* No 0x09 */ #define USB_REQ_CPIA_MODIFY_CAMERA_STATUS 0x0A #define USB_REQ_CPIA_READ_VC_REGS 0x21 #define USB_REQ_CPIA_WRITE_BC_REG 0x22 #define USB_REQ_CPIA_READ_MC_PORTS 0x23 #define USB_REQ_CPIA_WRITE_MC_PORT 0x24 #define USB_REQ_CPIA_SET_BAUD_RATE 0x25 #define USB_REQ_CPIA_SET_ECP_TIMING 0x26 #define USB_REQ_CPIA_READ_IDATA 0x27 #define USB_REQ_CPIA_WRITE_IDATA 0x28 #define USB_REQ_CPIA_GENERIC_CALL 0x29 #define USB_REQ_CPIA_I2CSTART 0x2A #define USB_REQ_CPIA_I2CSTOP 0x2B #define USB_REQ_CPIA_I2CWRITE 0x2C #define USB_REQ_CPIA_I2CREAD 0x2D #define USB_REQ_CPIA_GET_VP_VERSION 0xA1 #define USB_REQ_CPIA_SET_COLOUR_PARAMS 0xA3 #define USB_REQ_CPIA_SET_EXPOSURE 0xA4 /* No 0xA5 */ #define USB_REQ_CPIA_SET_COLOUR_BALANCE 0xA6 #define USB_REQ_CPIA_SET_SENSOR_FPS 0xA7 #define USB_REQ_CPIA_SET_VP_DEFAULTS 0xA8 #define USB_REQ_CPIA_SET_APCOR 0xA9 #define USB_REQ_CPIA_SET_FLICKER_CTRL 0xAA #define USB_REQ_CPIA_SET_VL_OFFSET 0xAB #define USB_REQ_CPIA_GET_COLOUR_PARAMETERS 0xB0 #define USB_REQ_CPIA_GET_COLOUR_BALANCE 0xB1 #define USB_REQ_CPIA_GET_EXPOSURE 0xB2 #define USB_REQ_CPIA_SET_SENSOR_MATRIX 0xB3 #define USB_REQ_CPIA_COLOUR_BARS 0xBD #define USB_REQ_CPIA_READ_VP_REGS 0xBE #define USB_REQ_CPIA_WRITE_VP_REGS 0xBF #define USB_REQ_CPIA_GRAB_FRAME 0xC1 #define USB_REQ_CPIA_UPLOAD_FRAME 0xC2 #define WAIT_FOR_NEXT_FRAME 0 #define FORCE_FRAME_UPLOAD 1 #define USB_REQ_CPIA_SET_GRAB_MODE 0xC3 #define USB_REQ_CPIA_INIT_STREAM_CAP 0xC4 #define USB_REQ_CPIA_FINI_STREAM_CAP 0xC5 #define USB_REQ_CPIA_START_STREAM_CAP 0xC6 #define USB_REQ_CPIA_END_STREAM_CAP 0xC7 #define USB_REQ_CPIA_SET_FORMAT 0xC8 #define FORMAT_QCIF 0 #define FORMAT_CIF 1 #define FORMAT_YUYV 0 #define FORMAT_UYVY 1 #define FORMAT_420 0 #define FORMAT_422 1 #define USB_REQ_CPIA_SET_ROI 0xC9 #define USB_REQ_CPIA_SET_COMPRESSION 0xCA #define COMP_DISABLED 0 #define COMP_AUTO 1 #define COMP_MANUAL 2 #define DONT_DECIMATE 0 #define DECIMATE 1 #define USB_REQ_CPIA_SET_COMPRESSION_TARGET 0xCB #define TARGET_QUALITY 0 #define TARGET_FRAMERATE 1 #define USB_REQ_CPIA_SET_YUV_THRESH 0xCC #define USB_REQ_CPIA_SET_COMPRESSION_PARAMS 0xCD #define USB_REQ_CPIA_DISCARD_FRAME 0xCE #define USB_REQ_CPIA_OUTPUT_RS232 0xE1 #define USB_REQ_CPIA_ABORT_PROCESS 0xE4 #define USB_REQ_CPIA_SET_DRAM_PAGE 0xE5 #define USB_REQ_CPIA_START_DRAM_UPLOAD 0xE6 #define USB_REQ_CPIA_START_DUMMY_STREAM 0xE8 #define USB_REQ_CPIA_ABORT_STREAM 0xE9 #define USB_REQ_CPIA_DOWNLOAD_DRAM 0xEA /* #define USB_REQ_CPIA_NULL_CMD 0x?? */ #define STREAM_BUF_SIZE (PAGE_SIZE * 4) /* #define STREAM_BUF_SIZE (FRAMES_PER_DESC * FRAME_SIZE_PER_DESC) */ #define SCRATCH_BUF_SIZE (STREAM_BUF_SIZE * 2) #define FRAMES_PER_DESC 10 #define FRAME_SIZE_PER_DESC 960 /* Shouldn't be hardcoded */ enum { STATE_SCANNING, /* Scanning for start */ STATE_HEADER, /* Parsing header */ STATE_LINES, /* Parsing lines */ }; #define CPIA_MAGIC 0x1968 struct cpia_frame_header { __u16 magic; /* 0 - 1 */ __u16 timestamp; /* 2 - 3 */ __u16 unused; /* 4 - 5 */ __u16 timestamp1; /* 6 - 7 */ __u8 unused1[8]; /* 8 - 15 */ __u8 video_size; /* 16 0 = QCIF, 1 = CIF */ __u8 sub_sample; /* 17 0 = 4:2:0, 1 = 4:2:2 */ __u8 yuv_order; /* 18 0 = YUYV, 1 = UYVY */ __u8 unused2[5]; /* 19 - 23 */ __u8 col_start; /* 24 */ __u8 col_end; /* 25 */ __u8 row_start; /* 26 */ __u8 row_end; /* 27 */ __u8 comp_enable; /* 28 0 = non compressed, 1 = compressed */ __u8 decimation; /* 29 0 = no decimation, 1 = decimation */ __u8 y_thresh; /* 30 */ __u8 uv_thresh; /* 31 */ __u8 system_state; /* 32 */ __u8 grab_state; /* 33 */ __u8 stream_state; /* 34 */ __u8 fatal_error; /* 35 */ __u8 cmd_error; /* 36 */ __u8 debug_flags; /* 37 */ __u8 camera_state_7; /* 38 */ __u8 camera_state_8; /* 39 */ __u8 cr_achieved; /* 40 */ __u8 fr_achieved; /* 41 */ __u8 unused3[22]; /* 42 - 63 */ }; struct usb_device; struct cpia_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 cpia_frame { char *data; /* Frame buffer */ struct cpia_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 */ 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 CPIA_NUMFRAMES 2 #define CPIA_NUMSBUF 2 struct usb_cpia { struct video_device vdev; /* Device structure */ struct usb_device *dev; 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; struct cpia_frame frame[CPIA_NUMFRAMES]; /* Double buffering */ int cursbuf; /* Current receiving sbuf */ struct cpia_sbuf sbuf[CPIA_NUMSBUF]; /* Double buffering */ /* Scratch space from the Isochronous pipe */ unsigned char scratch[SCRATCH_BUF_SIZE]; int scratchlen; }; #endif