+++ /dev/null
-#ifndef cpia_h
-#define cpia_h
-
-/*
- * CPiA Parallel Port Video4Linux driver
- *
- * Supports CPiA based parallel port Video Camera's.
- *
- * (C) Copyright 1999 Bas Huisman,
- * Peter Pregler,
- * Scott J. Bertin,
- * VLSI Vision Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#define CPIA_MAJ_VER 1
-#define CPIA_MIN_VER 2
-#define CPIA_PATCH_VER 3
-
-#define CPIA_PP_MAJ_VER CPIA_MAJ_VER
-#define CPIA_PP_MIN_VER CPIA_MIN_VER
-#define CPIA_PP_PATCH_VER CPIA_PATCH_VER
-
-#define CPIA_USB_MAJ_VER CPIA_MAJ_VER
-#define CPIA_USB_MIN_VER CPIA_MIN_VER
-#define CPIA_USB_PATCH_VER CPIA_PATCH_VER
-
-#define CPIA_MAX_FRAME_SIZE_UNALIGNED (352 * 288 * 4) /* CIF at RGB32 */
-#define CPIA_MAX_FRAME_SIZE ((CPIA_MAX_FRAME_SIZE_UNALIGNED + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) /* align above to PAGE_SIZE */
-
-#ifdef __KERNEL__
-
-#include <asm/uaccess.h>
-#include <linux/videodev.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-
-struct cpia_camera_ops
-{
- /* open sets privdata to point to structure for this camera.
- * Returns negative value on error, otherwise 0.
- */
- int (*open)(void *privdata);
-
- /* Registers callback function cb to be called with cbdata
- * when an image is ready. If cb is NULL, only single image grabs
- * should be used. cb should immediately call streamRead to read
- * the data or data may be lost. Returns negative value on error,
- * otherwise 0.
- */
- int (*registerCallback)(void *privdata, void (*cb)(void *cbdata),
- void *cbdata);
-
- /* transferCmd sends commands to the camera. command MUST point to
- * an 8 byte buffer in kernel space. data can be NULL if no extra
- * data is needed. The size of the data is given by the last 2
- * bytes of command. data must also point to memory in kernel space.
- * Returns negative value on error, otherwise 0.
- */
- int (*transferCmd)(void *privdata, u8 *command, u8 *data);
-
- /* streamStart initiates stream capture mode.
- * Returns negative value on error, otherwise 0.
- */
- int (*streamStart)(void *privdata);
-
- /* streamStop terminates stream capture mode.
- * Returns negative value on error, otherwise 0.
- */
- int (*streamStop)(void *privdata);
-
- /* streamRead reads a frame from the camera. buffer points to a
- * buffer large enough to hold a complete frame in kernel space.
- * noblock indicates if this should be a non blocking read.
- * Returns the number of bytes read, or negative value on error.
- */
- int (*streamRead)(void *privdata, u8 *buffer, int noblock);
-
- /* close disables the device until open() is called again.
- * Returns negative value on error, otherwise 0.
- */
- int (*close)(void *privdata);
-
- /* If wait_for_stream_ready is non-zero, wait until the streamState
- * is STREAM_READY before calling streamRead.
- */
- int wait_for_stream_ready;
-
- /*
- * Used to maintain lowlevel module usage counts
- */
- struct module *owner;
-};
-
-struct cpia_frame {
- u8 *data;
- int count;
- int width;
- int height;
- volatile int state;
-};
-
-struct cam_params {
- struct {
- u8 firmwareVersion;
- u8 firmwareRevision;
- u8 vcVersion;
- u8 vcRevision;
- } version;
- struct {
- u16 vendor;
- u16 product;
- u16 deviceRevision;
- } pnpID;
- struct {
- u8 vpVersion;
- u8 vpRevision;
- u16 cameraHeadID;
- } vpVersion;
- struct {
- u8 systemState;
- u8 grabState;
- u8 streamState;
- u8 fatalError;
- u8 cmdError;
- u8 debugFlags;
- u8 vpStatus;
- u8 errorCode;
- } status;
- struct {
- u8 brightness;
- u8 contrast;
- u8 saturation;
- } colourParams;
- struct {
- u8 gainMode;
- u8 expMode;
- u8 compMode;
- u8 centreWeight;
- u8 gain;
- u8 fineExp;
- u8 coarseExpLo;
- u8 coarseExpHi;
- u8 redComp;
- u8 green1Comp;
- u8 green2Comp;
- u8 blueComp;
- } exposure;
- struct {
- u8 balanceMode;
- u8 redGain;
- u8 greenGain;
- u8 blueGain;
- } colourBalance;
- struct {
- u8 divisor;
- u8 baserate;
- } sensorFps;
- struct {
- u8 gain1;
- u8 gain2;
- u8 gain4;
- u8 gain8;
- } apcor;
- struct {
- u8 disabled;
- u8 flickerMode;
- u8 coarseJump;
- int allowableOverExposure;
- } flickerControl;
- struct {
- u8 gain1;
- u8 gain2;
- u8 gain4;
- u8 gain8;
- } vlOffset;
- struct {
- u8 mode;
- u8 decimation;
- } compression;
- struct {
- u8 frTargeting;
- u8 targetFR;
- u8 targetQ;
- } compressionTarget;
- struct {
- u8 yThreshold;
- u8 uvThreshold;
- } yuvThreshold;
- struct {
- u8 hysteresis;
- u8 threshMax;
- u8 smallStep;
- u8 largeStep;
- u8 decimationHysteresis;
- u8 frDiffStepThresh;
- u8 qDiffStepThresh;
- u8 decimationThreshMod;
- } compressionParams;
- struct {
- u8 videoSize; /* CIF/QCIF */
- u8 subSample;
- u8 yuvOrder;
- } format;
- struct { /* Intel QX3 specific data */
- u8 qx3_detected; /* a QX3 is present */
- u8 toplight; /* top light lit , R/W */
- u8 bottomlight; /* bottom light lit, R/W */
- u8 button; /* snapshot button pressed (R/O) */
- u8 cradled; /* microscope is in cradle (R/O) */
- } qx3;
- struct {
- u8 colStart; /* skip first 8*colStart pixels */
- u8 colEnd; /* finish at 8*colEnd pixels */
- u8 rowStart; /* skip first 4*rowStart lines */
- u8 rowEnd; /* finish at 4*rowEnd lines */
- } roi;
- u8 ecpTiming;
- u8 streamStartLine;
-};
-
-enum v4l_camstates {
- CPIA_V4L_IDLE = 0,
- CPIA_V4L_ERROR,
- CPIA_V4L_COMMAND,
- CPIA_V4L_GRABBING,
- CPIA_V4L_STREAMING,
- CPIA_V4L_STREAMING_PAUSED,
-};
-
-#define FRAME_NUM 2 /* double buffering for now */
-
-struct cam_data {
- struct list_head cam_data_list;
-
- struct mutex busy_lock; /* guard against SMP multithreading */
- struct cpia_camera_ops *ops; /* lowlevel driver operations */
- void *lowlevel_data; /* private data for lowlevel driver */
- u8 *raw_image; /* buffer for raw image data */
- struct cpia_frame decompressed_frame;
- /* buffer to hold decompressed frame */
- int image_size; /* sizeof last decompressed image */
- int open_count; /* # of process that have camera open */
-
- /* camera status */
- int fps; /* actual fps reported by the camera */
- int transfer_rate; /* transfer rate from camera in kB/s */
- u8 mainsFreq; /* for flicker control */
-
- /* proc interface */
- struct mutex param_lock; /* params lock for this camera */
- struct cam_params params; /* camera settings */
- struct proc_dir_entry *proc_entry; /* /proc/cpia/videoX */
-
- /* v4l */
- int video_size; /* VIDEO_SIZE_ */
- volatile enum v4l_camstates camstate; /* v4l layer status */
- struct video_device vdev; /* v4l videodev */
- struct video_picture vp; /* v4l camera settings */
- struct video_window vw; /* v4l capture area */
- struct video_capture vc; /* v4l subcapture area */
-
- /* mmap interface */
- int curframe; /* the current frame to grab into */
- u8 *frame_buf; /* frame buffer data */
- struct cpia_frame frame[FRAME_NUM];
- /* FRAME_NUM-buffering, so we need a array */
-
- int first_frame;
- int mmap_kludge; /* 'wrong' byte order for mmap */
- volatile u32 cmd_queue; /* queued commands */
- int exposure_status; /* EXPOSURE_* */
- int exposure_count; /* number of frames at this status */
-};
-
-/* cpia_register_camera is called by low level driver for each camera.
- * A unique camera number is returned, or a negative value on error */
-struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel);
-
-/* cpia_unregister_camera is called by low level driver when a camera
- * is removed. This must not fail. */
-void cpia_unregister_camera(struct cam_data *cam);
-
-/* raw CIF + 64 byte header + (2 bytes line_length + EOL) per line + 4*EOI +
- * one byte 16bit DMA alignment
- */
-#define CPIA_MAX_IMAGE_SIZE ((352*288*2)+64+(288*3)+5)
-
-/* constant value's */
-#define MAGIC_0 0x19
-#define MAGIC_1 0x68
-#define DATA_IN 0xC0
-#define DATA_OUT 0x40
-#define VIDEOSIZE_QCIF 0 /* 176x144 */
-#define VIDEOSIZE_CIF 1 /* 352x288 */
-#define VIDEOSIZE_SIF 2 /* 320x240 */
-#define VIDEOSIZE_QSIF 3 /* 160x120 */
-#define VIDEOSIZE_48_48 4 /* where no one has gone before, iconsize! */
-#define VIDEOSIZE_64_48 5
-#define VIDEOSIZE_128_96 6
-#define VIDEOSIZE_160_120 VIDEOSIZE_QSIF
-#define VIDEOSIZE_176_144 VIDEOSIZE_QCIF
-#define VIDEOSIZE_192_144 7
-#define VIDEOSIZE_224_168 8
-#define VIDEOSIZE_256_192 9
-#define VIDEOSIZE_288_216 10
-#define VIDEOSIZE_320_240 VIDEOSIZE_SIF
-#define VIDEOSIZE_352_288 VIDEOSIZE_CIF
-#define VIDEOSIZE_88_72 11 /* quarter CIF */
-#define SUBSAMPLE_420 0
-#define SUBSAMPLE_422 1
-#define YUVORDER_YUYV 0
-#define YUVORDER_UYVY 1
-#define NOT_COMPRESSED 0
-#define COMPRESSED 1
-#define NO_DECIMATION 0
-#define DECIMATION_ENAB 1
-#define EOI 0xff /* End Of Image */
-#define EOL 0xfd /* End Of Line */
-#define FRAME_HEADER_SIZE 64
-
-/* Image grab modes */
-#define CPIA_GRAB_SINGLE 0
-#define CPIA_GRAB_CONTINUOUS 1
-
-/* Compression parameters */
-#define CPIA_COMPRESSION_NONE 0
-#define CPIA_COMPRESSION_AUTO 1
-#define CPIA_COMPRESSION_MANUAL 2
-#define CPIA_COMPRESSION_TARGET_QUALITY 0
-#define CPIA_COMPRESSION_TARGET_FRAMERATE 1
-
-/* Return offsets for GetCameraState */
-#define SYSTEMSTATE 0
-#define GRABSTATE 1
-#define STREAMSTATE 2
-#define FATALERROR 3
-#define CMDERROR 4
-#define DEBUGFLAGS 5
-#define VPSTATUS 6
-#define ERRORCODE 7
-
-/* SystemState */
-#define UNINITIALISED_STATE 0
-#define PASS_THROUGH_STATE 1
-#define LO_POWER_STATE 2
-#define HI_POWER_STATE 3
-#define WARM_BOOT_STATE 4
-
-/* GrabState */
-#define GRAB_IDLE 0
-#define GRAB_ACTIVE 1
-#define GRAB_DONE 2
-
-/* StreamState */
-#define STREAM_NOT_READY 0
-#define STREAM_READY 1
-#define STREAM_OPEN 2
-#define STREAM_PAUSED 3
-#define STREAM_FINISHED 4
-
-/* Fatal Error, CmdError, and DebugFlags */
-#define CPIA_FLAG 1
-#define SYSTEM_FLAG 2
-#define INT_CTRL_FLAG 4
-#define PROCESS_FLAG 8
-#define COM_FLAG 16
-#define VP_CTRL_FLAG 32
-#define CAPTURE_FLAG 64
-#define DEBUG_FLAG 128
-
-/* VPStatus */
-#define VP_STATE_OK 0x00
-
-#define VP_STATE_FAILED_VIDEOINIT 0x01
-#define VP_STATE_FAILED_AECACBINIT 0x02
-#define VP_STATE_AEC_MAX 0x04
-#define VP_STATE_ACB_BMAX 0x08
-
-#define VP_STATE_ACB_RMIN 0x10
-#define VP_STATE_ACB_GMIN 0x20
-#define VP_STATE_ACB_RMAX 0x40
-#define VP_STATE_ACB_GMAX 0x80
-
-/* default (minimum) compensation values */
-#define COMP_RED 220
-#define COMP_GREEN1 214
-#define COMP_GREEN2 COMP_GREEN1
-#define COMP_BLUE 230
-
-/* exposure status */
-#define EXPOSURE_VERY_LIGHT 0
-#define EXPOSURE_LIGHT 1
-#define EXPOSURE_NORMAL 2
-#define EXPOSURE_DARK 3
-#define EXPOSURE_VERY_DARK 4
-
-/* ErrorCode */
-#define ERROR_FLICKER_BELOW_MIN_EXP 0x01 /*flicker exposure got below minimum exposure */
-#define ALOG(fmt,args...) printk(fmt, ##args)
-#define LOG(fmt,args...) ALOG(KERN_INFO __FILE__ ":%s(%d):" fmt, __func__ , __LINE__ , ##args)
-
-#ifdef _CPIA_DEBUG_
-#define ADBG(fmt,args...) printk(fmt, jiffies, ##args)
-#define DBG(fmt,args...) ADBG(KERN_DEBUG __FILE__" (%ld):%s(%d):" fmt, __func__, __LINE__ , ##args)
-#else
-#define DBG(fmn,args...) do {} while(0)
-#endif
-
-#define DEB_BYTE(p)\
- DBG("%1d %1d %1d %1d %1d %1d %1d %1d \n",\
- (p)&0x80?1:0, (p)&0x40?1:0, (p)&0x20?1:0, (p)&0x10?1:0,\
- (p)&0x08?1:0, (p)&0x04?1:0, (p)&0x02?1:0, (p)&0x01?1:0);
-
-#endif /* __KERNEL__ */
-
-#endif /* cpia_h */
projects / mv-sheeva.git / blobdiff