forked from luck/tmp_suning_uos_patched
e63340ae6b
Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
432 lines
12 KiB
C
432 lines
12 KiB
C
#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 <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, __FUNCTION__ , __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, __FUNCTION__, __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 */
|