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#ifndef __LINUX_CPIA_H
#define __LINUX_CPIA_H
#include <linux/list.h>
#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
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