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marcus.erl |
/*
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* cpia CPiA driver
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*
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* Supports CPiA based Video Camera's.
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*
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* (C) Copyright 1999-2000 Peter Pregler
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* (C) Copyright 1999-2000 Scott J. Bertin
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* (C) Copyright 1999-2000 Johannes Erdfelt <johannes@erdfelt.com>
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* (C) Copyright 2000 STMicroelectronics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */
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/* #define _CPIA_DEBUG_ 1 */
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/fs.h>
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#include <linux/vmalloc.h>
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#include <linux/slab.h>
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#include <linux/proc_fs.h>
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#include <linux/ctype.h>
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#include <linux/pagemap.h>
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#include <linux/delay.h>
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#include <asm/io.h>
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#include <linux/mutex.h>
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#ifdef CONFIG_KMOD
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#include <linux/kmod.h>
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#endif
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#include "cpia.h"
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static int video_nr = -1;
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#ifdef MODULE
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module_param(video_nr, int, 0);
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MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfelt.com>");
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MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("video");
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#endif
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static unsigned short colorspace_conv;
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module_param(colorspace_conv, ushort, 0444);
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MODULE_PARM_DESC(colorspace_conv,
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" Colorspace conversion:"
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"\n 0 = disable, 1 = enable"
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"\n Default value is 0"
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);
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#define ABOUT "V4L-Driver for Vision CPiA based cameras"
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#define CPIA_MODULE_CPIA (0<<5)
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#define CPIA_MODULE_SYSTEM (1<<5)
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#define CPIA_MODULE_VP_CTRL (5<<5)
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#define CPIA_MODULE_CAPTURE (6<<5)
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#define CPIA_MODULE_DEBUG (7<<5)
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#define INPUT (DATA_IN << 8)
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#define OUTPUT (DATA_OUT << 8)
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#define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1)
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#define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2)
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#define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3)
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#define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4)
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#define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5)
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#define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7)
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#define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8)
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#define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10)
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#define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1)
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#define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2)
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#define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3)
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#define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4)
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#define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5)
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#define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6)
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#define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7)
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#define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8)
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#define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9)
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#define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10)
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#define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11)
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#define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12)
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#define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13)
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#define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1)
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#define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2)
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#define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3)
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#define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4)
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#define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6)
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#define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7)
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#define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8)
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#define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9)
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#define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10)
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#define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11)
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#define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16)
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#define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17)
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#define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18)
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#define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19)
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#define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25)
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#define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30)
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#define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31)
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#define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1)
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#define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2)
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#define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3)
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#define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4)
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#define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5)
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#define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6)
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#define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7)
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#define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8)
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#define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9)
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#define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10)
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#define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11)
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#define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12)
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#define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13)
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#define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14)
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#define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15)
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#define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1)
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#define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4)
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#define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5)
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#define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6)
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#define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8)
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#define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9)
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#define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10)
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#define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11)
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enum {
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FRAME_READY, /* Ready to grab into */
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FRAME_GRABBING, /* In the process of being grabbed into */
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FRAME_DONE, /* Finished grabbing, but not been synced yet */
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FRAME_UNUSED, /* Unused (no MCAPTURE) */
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};
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#define COMMAND_NONE 0x0000
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#define COMMAND_SETCOMPRESSION 0x0001
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#define COMMAND_SETCOMPRESSIONTARGET 0x0002
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#define COMMAND_SETCOLOURPARAMS 0x0004
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#define COMMAND_SETFORMAT 0x0008
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#define COMMAND_PAUSE 0x0010
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#define COMMAND_RESUME 0x0020
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#define COMMAND_SETYUVTHRESH 0x0040
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#define COMMAND_SETECPTIMING 0x0080
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#define COMMAND_SETCOMPRESSIONPARAMS 0x0100
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#define COMMAND_SETEXPOSURE 0x0200
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#define COMMAND_SETCOLOURBALANCE 0x0400
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#define COMMAND_SETSENSORFPS 0x0800
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#define COMMAND_SETAPCOR 0x1000
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#define COMMAND_SETFLICKERCTRL 0x2000
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#define COMMAND_SETVLOFFSET 0x4000
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#define COMMAND_SETLIGHTS 0x8000
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#define ROUND_UP_EXP_FOR_FLICKER 15
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/* Constants for automatic frame rate adjustment */
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#define MAX_EXP 302
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#define MAX_EXP_102 255
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#define LOW_EXP 140
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#define VERY_LOW_EXP 70
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#define TC 94
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#define EXP_ACC_DARK 50
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#define EXP_ACC_LIGHT 90
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#define HIGH_COMP_102 160
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#define MAX_COMP 239
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#define DARK_TIME 3
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#define LIGHT_TIME 3
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/* Maximum number of 10ms loops to wait for the stream to become ready */
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#define READY_TIMEOUT 100
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/* Developer's Guide Table 5 p 3-34
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* indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/
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static u8 flicker_jumps[2][2][4] =
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{ { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } },
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{ { 64, 32, 16, 8 }, { 76, 38, 19, 9} }
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};
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/* forward declaration of local function */
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static void reset_camera_struct(struct cam_data *cam);
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static int find_over_exposure(int brightness);
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static void set_flicker(struct cam_params *params, volatile u32 *command_flags,
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int on);
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/**********************************************************************
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*
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* Memory management
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*
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**********************************************************************/
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static void *rvmalloc(unsigned long size)
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{
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void *mem;
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unsigned long adr;
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size = PAGE_ALIGN(size);
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mem = vmalloc_32(size);
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if (!mem)
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return NULL;
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memset(mem, 0, size); /* Clear the ram out, no junk to the user */
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adr = (unsigned long) mem;
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while (size > 0) {
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SetPageReserved(vmalloc_to_page((void *)adr));
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adr += PAGE_SIZE;
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size -= PAGE_SIZE;
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}
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return mem;
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}
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static void rvfree(void *mem, unsigned long size)
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{
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unsigned long adr;
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| 229 |
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if (!mem)
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return;
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adr = (unsigned long) mem;
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while ((long) size > 0) {
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ClearPageReserved(vmalloc_to_page((void *)adr));
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adr += PAGE_SIZE;
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size -= PAGE_SIZE;
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}
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vfree(mem);
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}
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| 242 |
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/**********************************************************************
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*
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* /proc interface
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*
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**********************************************************************/
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#ifdef CONFIG_PROC_FS
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static struct proc_dir_entry *cpia_proc_root=NULL;
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| 249 |
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| 250 |
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static int cpia_read_proc(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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| 253 |
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char *out = page;
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| 254 |
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int len, tmp;
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struct cam_data *cam = data;
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char tmpstr[29];
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| 257 |
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| 258 |
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/* IMPORTANT: This output MUST be kept under PAGE_SIZE
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* or we need to get more sophisticated. */
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out += sprintf(out, "read-only\n-----------------------\n");
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out += sprintf(out, "V4L Driver version: %d.%d.%d\n",
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CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER);
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out += sprintf(out, "CPIA Version: %d.%02d (%d.%d)\n",
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cam->params.version.firmwareVersion,
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cam->params.version.firmwareRevision,
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cam->params.version.vcVersion,
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cam->params.version.vcRevision);
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| 269 |
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out += sprintf(out, "CPIA PnP-ID: %04x:%04x:%04x\n",
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cam->params.pnpID.vendor, cam->params.pnpID.product,
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cam->params.pnpID.deviceRevision);
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| 272 |
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out += sprintf(out, "VP-Version: %d.%d %04x\n",
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cam->params.vpVersion.vpVersion,
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cam->params.vpVersion.vpRevision,
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cam->params.vpVersion.cameraHeadID);
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| 276 |
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| 277 |
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out += sprintf(out, "system_state: %#04x\n",
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cam->params.status.systemState);
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| 279 |
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out += sprintf(out, "grab_state: %#04x\n",
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cam->params.status.grabState);
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| 281 |
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out += sprintf(out, "stream_state: %#04x\n",
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cam->params.status.streamState);
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| 283 |
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out += sprintf(out, "fatal_error: %#04x\n",
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cam->params.status.fatalError);
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| 285 |
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out += sprintf(out, "cmd_error: %#04x\n",
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| 286 |
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cam->params.status.cmdError);
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| 287 |
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out += sprintf(out, "debug_flags: %#04x\n",
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| 288 |
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cam->params.status.debugFlags);
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| 289 |
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out += sprintf(out, "vp_status: %#04x\n",
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cam->params.status.vpStatus);
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| 291 |
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out += sprintf(out, "error_code: %#04x\n",
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| 292 |
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cam->params.status.errorCode);
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| 293 |
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/* QX3 specific entries */
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| 294 |
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if (cam->params.qx3.qx3_detected) {
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| 295 |
|
|
out += sprintf(out, "button: %4d\n",
|
| 296 |
|
|
cam->params.qx3.button);
|
| 297 |
|
|
out += sprintf(out, "cradled: %4d\n",
|
| 298 |
|
|
cam->params.qx3.cradled);
|
| 299 |
|
|
}
|
| 300 |
|
|
out += sprintf(out, "video_size: %s\n",
|
| 301 |
|
|
cam->params.format.videoSize == VIDEOSIZE_CIF ?
|
| 302 |
|
|
"CIF " : "QCIF");
|
| 303 |
|
|
out += sprintf(out, "roi: (%3d, %3d) to (%3d, %3d)\n",
|
| 304 |
|
|
cam->params.roi.colStart*8,
|
| 305 |
|
|
cam->params.roi.rowStart*4,
|
| 306 |
|
|
cam->params.roi.colEnd*8,
|
| 307 |
|
|
cam->params.roi.rowEnd*4);
|
| 308 |
|
|
out += sprintf(out, "actual_fps: %3d\n", cam->fps);
|
| 309 |
|
|
out += sprintf(out, "transfer_rate: %4dkB/s\n",
|
| 310 |
|
|
cam->transfer_rate);
|
| 311 |
|
|
|
| 312 |
|
|
out += sprintf(out, "\nread-write\n");
|
| 313 |
|
|
out += sprintf(out, "----------------------- current min"
|
| 314 |
|
|
" max default comment\n");
|
| 315 |
|
|
out += sprintf(out, "brightness: %8d %8d %8d %8d\n",
|
| 316 |
|
|
cam->params.colourParams.brightness, 0, 100, 50);
|
| 317 |
|
|
if (cam->params.version.firmwareVersion == 1 &&
|
| 318 |
|
|
cam->params.version.firmwareRevision == 2)
|
| 319 |
|
|
/* 1-02 firmware limits contrast to 80 */
|
| 320 |
|
|
tmp = 80;
|
| 321 |
|
|
else
|
| 322 |
|
|
tmp = 96;
|
| 323 |
|
|
|
| 324 |
|
|
out += sprintf(out, "contrast: %8d %8d %8d %8d"
|
| 325 |
|
|
" steps of 8\n",
|
| 326 |
|
|
cam->params.colourParams.contrast, 0, tmp, 48);
|
| 327 |
|
|
out += sprintf(out, "saturation: %8d %8d %8d %8d\n",
|
| 328 |
|
|
cam->params.colourParams.saturation, 0, 100, 50);
|
| 329 |
|
|
tmp = (25000+5000*cam->params.sensorFps.baserate)/
|
| 330 |
|
|
(1<<cam->params.sensorFps.divisor);
|
| 331 |
|
|
out += sprintf(out, "sensor_fps: %4d.%03d %8d %8d %8d\n",
|
| 332 |
|
|
tmp/1000, tmp%1000, 3, 30, 15);
|
| 333 |
|
|
out += sprintf(out, "stream_start_line: %8d %8d %8d %8d\n",
|
| 334 |
|
|
2*cam->params.streamStartLine, 0,
|
| 335 |
|
|
cam->params.format.videoSize == VIDEOSIZE_CIF ? 288:144,
|
| 336 |
|
|
cam->params.format.videoSize == VIDEOSIZE_CIF ? 240:120);
|
| 337 |
|
|
out += sprintf(out, "sub_sample: %8s %8s %8s %8s\n",
|
| 338 |
|
|
cam->params.format.subSample == SUBSAMPLE_420 ?
|
| 339 |
|
|
"420" : "422", "420", "422", "422");
|
| 340 |
|
|
out += sprintf(out, "yuv_order: %8s %8s %8s %8s\n",
|
| 341 |
|
|
cam->params.format.yuvOrder == YUVORDER_YUYV ?
|
| 342 |
|
|
"YUYV" : "UYVY", "YUYV" , "UYVY", "YUYV");
|
| 343 |
|
|
out += sprintf(out, "ecp_timing: %8s %8s %8s %8s\n",
|
| 344 |
|
|
cam->params.ecpTiming ? "slow" : "normal", "slow",
|
| 345 |
|
|
"normal", "normal");
|
| 346 |
|
|
|
| 347 |
|
|
if (cam->params.colourBalance.balanceMode == 2) {
|
| 348 |
|
|
sprintf(tmpstr, "auto");
|
| 349 |
|
|
} else {
|
| 350 |
|
|
sprintf(tmpstr, "manual");
|
| 351 |
|
|
}
|
| 352 |
|
|
out += sprintf(out, "color_balance_mode: %8s %8s %8s"
|
| 353 |
|
|
" %8s\n", tmpstr, "manual", "auto", "auto");
|
| 354 |
|
|
out += sprintf(out, "red_gain: %8d %8d %8d %8d\n",
|
| 355 |
|
|
cam->params.colourBalance.redGain, 0, 212, 32);
|
| 356 |
|
|
out += sprintf(out, "green_gain: %8d %8d %8d %8d\n",
|
| 357 |
|
|
cam->params.colourBalance.greenGain, 0, 212, 6);
|
| 358 |
|
|
out += sprintf(out, "blue_gain: %8d %8d %8d %8d\n",
|
| 359 |
|
|
cam->params.colourBalance.blueGain, 0, 212, 92);
|
| 360 |
|
|
|
| 361 |
|
|
if (cam->params.version.firmwareVersion == 1 &&
|
| 362 |
|
|
cam->params.version.firmwareRevision == 2)
|
| 363 |
|
|
/* 1-02 firmware limits gain to 2 */
|
| 364 |
|
|
sprintf(tmpstr, "%8d %8d %8d", 1, 2, 2);
|
| 365 |
|
|
else
|
| 366 |
|
|
sprintf(tmpstr, "%8d %8d %8d", 1, 8, 2);
|
| 367 |
|
|
|
| 368 |
|
|
if (cam->params.exposure.gainMode == 0)
|
| 369 |
|
|
out += sprintf(out, "max_gain: unknown %28s"
|
| 370 |
|
|
" powers of 2\n", tmpstr);
|
| 371 |
|
|
else
|
| 372 |
|
|
out += sprintf(out, "max_gain: %8d %28s"
|
| 373 |
|
|
" 1,2,4 or 8 \n",
|
| 374 |
|
|
1<<(cam->params.exposure.gainMode-1), tmpstr);
|
| 375 |
|
|
|
| 376 |
|
|
switch(cam->params.exposure.expMode) {
|
| 377 |
|
|
case 1:
|
| 378 |
|
|
case 3:
|
| 379 |
|
|
sprintf(tmpstr, "manual");
|
| 380 |
|
|
break;
|
| 381 |
|
|
case 2:
|
| 382 |
|
|
sprintf(tmpstr, "auto");
|
| 383 |
|
|
break;
|
| 384 |
|
|
default:
|
| 385 |
|
|
sprintf(tmpstr, "unknown");
|
| 386 |
|
|
break;
|
| 387 |
|
|
}
|
| 388 |
|
|
out += sprintf(out, "exposure_mode: %8s %8s %8s"
|
| 389 |
|
|
" %8s\n", tmpstr, "manual", "auto", "auto");
|
| 390 |
|
|
out += sprintf(out, "centre_weight: %8s %8s %8s %8s\n",
|
| 391 |
|
|
(2-cam->params.exposure.centreWeight) ? "on" : "off",
|
| 392 |
|
|
"off", "on", "on");
|
| 393 |
|
|
out += sprintf(out, "gain: %8d %8d max_gain %8d 1,2,4,8 possible\n",
|
| 394 |
|
|
1<<cam->params.exposure.gain, 1, 1);
|
| 395 |
|
|
if (cam->params.version.firmwareVersion == 1 &&
|
| 396 |
|
|
cam->params.version.firmwareRevision == 2)
|
| 397 |
|
|
/* 1-02 firmware limits fineExp/2 to 127 */
|
| 398 |
|
|
tmp = 254;
|
| 399 |
|
|
else
|
| 400 |
|
|
tmp = 510;
|
| 401 |
|
|
|
| 402 |
|
|
out += sprintf(out, "fine_exp: %8d %8d %8d %8d\n",
|
| 403 |
|
|
cam->params.exposure.fineExp*2, 0, tmp, 0);
|
| 404 |
|
|
if (cam->params.version.firmwareVersion == 1 &&
|
| 405 |
|
|
cam->params.version.firmwareRevision == 2)
|
| 406 |
|
|
/* 1-02 firmware limits coarseExpHi to 0 */
|
| 407 |
|
|
tmp = MAX_EXP_102;
|
| 408 |
|
|
else
|
| 409 |
|
|
tmp = MAX_EXP;
|
| 410 |
|
|
|
| 411 |
|
|
out += sprintf(out, "coarse_exp: %8d %8d %8d"
|
| 412 |
|
|
" %8d\n", cam->params.exposure.coarseExpLo+
|
| 413 |
|
|
256*cam->params.exposure.coarseExpHi, 0, tmp, 185);
|
| 414 |
|
|
out += sprintf(out, "red_comp: %8d %8d %8d %8d\n",
|
| 415 |
|
|
cam->params.exposure.redComp, COMP_RED, 255, COMP_RED);
|
| 416 |
|
|
out += sprintf(out, "green1_comp: %8d %8d %8d %8d\n",
|
| 417 |
|
|
cam->params.exposure.green1Comp, COMP_GREEN1, 255,
|
| 418 |
|
|
COMP_GREEN1);
|
| 419 |
|
|
out += sprintf(out, "green2_comp: %8d %8d %8d %8d\n",
|
| 420 |
|
|
cam->params.exposure.green2Comp, COMP_GREEN2, 255,
|
| 421 |
|
|
COMP_GREEN2);
|
| 422 |
|
|
out += sprintf(out, "blue_comp: %8d %8d %8d %8d\n",
|
| 423 |
|
|
cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE);
|
| 424 |
|
|
|
| 425 |
|
|
out += sprintf(out, "apcor_gain1: %#8x %#8x %#8x %#8x\n",
|
| 426 |
|
|
cam->params.apcor.gain1, 0, 0xff, 0x1c);
|
| 427 |
|
|
out += sprintf(out, "apcor_gain2: %#8x %#8x %#8x %#8x\n",
|
| 428 |
|
|
cam->params.apcor.gain2, 0, 0xff, 0x1a);
|
| 429 |
|
|
out += sprintf(out, "apcor_gain4: %#8x %#8x %#8x %#8x\n",
|
| 430 |
|
|
cam->params.apcor.gain4, 0, 0xff, 0x2d);
|
| 431 |
|
|
out += sprintf(out, "apcor_gain8: %#8x %#8x %#8x %#8x\n",
|
| 432 |
|
|
cam->params.apcor.gain8, 0, 0xff, 0x2a);
|
| 433 |
|
|
out += sprintf(out, "vl_offset_gain1: %8d %8d %8d %8d\n",
|
| 434 |
|
|
cam->params.vlOffset.gain1, 0, 255, 24);
|
| 435 |
|
|
out += sprintf(out, "vl_offset_gain2: %8d %8d %8d %8d\n",
|
| 436 |
|
|
cam->params.vlOffset.gain2, 0, 255, 28);
|
| 437 |
|
|
out += sprintf(out, "vl_offset_gain4: %8d %8d %8d %8d\n",
|
| 438 |
|
|
cam->params.vlOffset.gain4, 0, 255, 30);
|
| 439 |
|
|
out += sprintf(out, "vl_offset_gain8: %8d %8d %8d %8d\n",
|
| 440 |
|
|
cam->params.vlOffset.gain8, 0, 255, 30);
|
| 441 |
|
|
out += sprintf(out, "flicker_control: %8s %8s %8s %8s\n",
|
| 442 |
|
|
cam->params.flickerControl.flickerMode ? "on" : "off",
|
| 443 |
|
|
"off", "on", "off");
|
| 444 |
|
|
out += sprintf(out, "mains_frequency: %8d %8d %8d %8d"
|
| 445 |
|
|
" only 50/60\n",
|
| 446 |
|
|
cam->mainsFreq ? 60 : 50, 50, 60, 50);
|
| 447 |
|
|
if(cam->params.flickerControl.allowableOverExposure < 0)
|
| 448 |
|
|
out += sprintf(out, "allowable_overexposure: %4dauto auto %8d auto\n",
|
| 449 |
|
|
-cam->params.flickerControl.allowableOverExposure,
|
| 450 |
|
|
255);
|
| 451 |
|
|
else
|
| 452 |
|
|
out += sprintf(out, "allowable_overexposure: %8d auto %8d auto\n",
|
| 453 |
|
|
cam->params.flickerControl.allowableOverExposure,
|
| 454 |
|
|
255);
|
| 455 |
|
|
out += sprintf(out, "compression_mode: ");
|
| 456 |
|
|
switch(cam->params.compression.mode) {
|
| 457 |
|
|
case CPIA_COMPRESSION_NONE:
|
| 458 |
|
|
out += sprintf(out, "%8s", "none");
|
| 459 |
|
|
break;
|
| 460 |
|
|
case CPIA_COMPRESSION_AUTO:
|
| 461 |
|
|
out += sprintf(out, "%8s", "auto");
|
| 462 |
|
|
break;
|
| 463 |
|
|
case CPIA_COMPRESSION_MANUAL:
|
| 464 |
|
|
out += sprintf(out, "%8s", "manual");
|
| 465 |
|
|
break;
|
| 466 |
|
|
default:
|
| 467 |
|
|
out += sprintf(out, "%8s", "unknown");
|
| 468 |
|
|
break;
|
| 469 |
|
|
}
|
| 470 |
|
|
out += sprintf(out, " none,auto,manual auto\n");
|
| 471 |
|
|
out += sprintf(out, "decimation_enable: %8s %8s %8s %8s\n",
|
| 472 |
|
|
cam->params.compression.decimation ==
|
| 473 |
|
|
DECIMATION_ENAB ? "on":"off", "off", "on",
|
| 474 |
|
|
"off");
|
| 475 |
|
|
out += sprintf(out, "compression_target: %9s %9s %9s %9s\n",
|
| 476 |
|
|
cam->params.compressionTarget.frTargeting ==
|
| 477 |
|
|
CPIA_COMPRESSION_TARGET_FRAMERATE ?
|
| 478 |
|
|
"framerate":"quality",
|
| 479 |
|
|
"framerate", "quality", "quality");
|
| 480 |
|
|
out += sprintf(out, "target_framerate: %8d %8d %8d %8d\n",
|
| 481 |
|
|
cam->params.compressionTarget.targetFR, 1, 30, 15);
|
| 482 |
|
|
out += sprintf(out, "target_quality: %8d %8d %8d %8d\n",
|
| 483 |
|
|
cam->params.compressionTarget.targetQ, 1, 64, 5);
|
| 484 |
|
|
out += sprintf(out, "y_threshold: %8d %8d %8d %8d\n",
|
| 485 |
|
|
cam->params.yuvThreshold.yThreshold, 0, 31, 6);
|
| 486 |
|
|
out += sprintf(out, "uv_threshold: %8d %8d %8d %8d\n",
|
| 487 |
|
|
cam->params.yuvThreshold.uvThreshold, 0, 31, 6);
|
| 488 |
|
|
out += sprintf(out, "hysteresis: %8d %8d %8d %8d\n",
|
| 489 |
|
|
cam->params.compressionParams.hysteresis, 0, 255, 3);
|
| 490 |
|
|
out += sprintf(out, "threshold_max: %8d %8d %8d %8d\n",
|
| 491 |
|
|
cam->params.compressionParams.threshMax, 0, 255, 11);
|
| 492 |
|
|
out += sprintf(out, "small_step: %8d %8d %8d %8d\n",
|
| 493 |
|
|
cam->params.compressionParams.smallStep, 0, 255, 1);
|
| 494 |
|
|
out += sprintf(out, "large_step: %8d %8d %8d %8d\n",
|
| 495 |
|
|
cam->params.compressionParams.largeStep, 0, 255, 3);
|
| 496 |
|
|
out += sprintf(out, "decimation_hysteresis: %8d %8d %8d %8d\n",
|
| 497 |
|
|
cam->params.compressionParams.decimationHysteresis,
|
| 498 |
|
|
0, 255, 2);
|
| 499 |
|
|
out += sprintf(out, "fr_diff_step_thresh: %8d %8d %8d %8d\n",
|
| 500 |
|
|
cam->params.compressionParams.frDiffStepThresh,
|
| 501 |
|
|
0, 255, 5);
|
| 502 |
|
|
out += sprintf(out, "q_diff_step_thresh: %8d %8d %8d %8d\n",
|
| 503 |
|
|
cam->params.compressionParams.qDiffStepThresh,
|
| 504 |
|
|
0, 255, 3);
|
| 505 |
|
|
out += sprintf(out, "decimation_thresh_mod: %8d %8d %8d %8d\n",
|
| 506 |
|
|
cam->params.compressionParams.decimationThreshMod,
|
| 507 |
|
|
0, 255, 2);
|
| 508 |
|
|
/* QX3 specific entries */
|
| 509 |
|
|
if (cam->params.qx3.qx3_detected) {
|
| 510 |
|
|
out += sprintf(out, "toplight: %8s %8s %8s %8s\n",
|
| 511 |
|
|
cam->params.qx3.toplight ? "on" : "off",
|
| 512 |
|
|
"off", "on", "off");
|
| 513 |
|
|
out += sprintf(out, "bottomlight: %8s %8s %8s %8s\n",
|
| 514 |
|
|
cam->params.qx3.bottomlight ? "on" : "off",
|
| 515 |
|
|
"off", "on", "off");
|
| 516 |
|
|
}
|
| 517 |
|
|
|
| 518 |
|
|
len = out - page;
|
| 519 |
|
|
len -= off;
|
| 520 |
|
|
if (len < count) {
|
| 521 |
|
|
*eof = 1;
|
| 522 |
|
|
if (len <= 0) return 0;
|
| 523 |
|
|
} else
|
| 524 |
|
|
len = count;
|
| 525 |
|
|
|
| 526 |
|
|
*start = page + off;
|
| 527 |
|
|
return len;
|
| 528 |
|
|
}
|
| 529 |
|
|
|
| 530 |
|
|
|
| 531 |
|
|
static int match(char *checkstr, char **buffer, unsigned long *count,
|
| 532 |
|
|
int *find_colon, int *err)
|
| 533 |
|
|
{
|
| 534 |
|
|
int ret, colon_found = 1;
|
| 535 |
|
|
int len = strlen(checkstr);
|
| 536 |
|
|
ret = (len <= *count && strncmp(*buffer, checkstr, len) == 0);
|
| 537 |
|
|
if (ret) {
|
| 538 |
|
|
*buffer += len;
|
| 539 |
|
|
*count -= len;
|
| 540 |
|
|
if (*find_colon) {
|
| 541 |
|
|
colon_found = 0;
|
| 542 |
|
|
while (*count && (**buffer == ' ' || **buffer == '\t' ||
|
| 543 |
|
|
(!colon_found && **buffer == ':'))) {
|
| 544 |
|
|
if (**buffer == ':')
|
| 545 |
|
|
colon_found = 1;
|
| 546 |
|
|
--*count;
|
| 547 |
|
|
++*buffer;
|
| 548 |
|
|
}
|
| 549 |
|
|
if (!*count || !colon_found)
|
| 550 |
|
|
*err = -EINVAL;
|
| 551 |
|
|
*find_colon = 0;
|
| 552 |
|
|
}
|
| 553 |
|
|
}
|
| 554 |
|
|
return ret;
|
| 555 |
|
|
}
|
| 556 |
|
|
|
| 557 |
|
|
static unsigned long int value(char **buffer, unsigned long *count, int *err)
|
| 558 |
|
|
{
|
| 559 |
|
|
char *p;
|
| 560 |
|
|
unsigned long int ret;
|
| 561 |
|
|
ret = simple_strtoul(*buffer, &p, 0);
|
| 562 |
|
|
if (p == *buffer)
|
| 563 |
|
|
*err = -EINVAL;
|
| 564 |
|
|
else {
|
| 565 |
|
|
*count -= p - *buffer;
|
| 566 |
|
|
*buffer = p;
|
| 567 |
|
|
}
|
| 568 |
|
|
return ret;
|
| 569 |
|
|
}
|
| 570 |
|
|
|
| 571 |
|
|
static int cpia_write_proc(struct file *file, const char __user *buf,
|
| 572 |
|
|
unsigned long count, void *data)
|
| 573 |
|
|
{
|
| 574 |
|
|
struct cam_data *cam = data;
|
| 575 |
|
|
struct cam_params new_params;
|
| 576 |
|
|
char *page, *buffer;
|
| 577 |
|
|
int retval, find_colon;
|
| 578 |
|
|
int size = count;
|
| 579 |
|
|
unsigned long val = 0;
|
| 580 |
|
|
u32 command_flags = 0;
|
| 581 |
|
|
u8 new_mains;
|
| 582 |
|
|
|
| 583 |
|
|
/*
|
| 584 |
|
|
* This code to copy from buf to page is shamelessly copied
|
| 585 |
|
|
* from the comx driver
|
| 586 |
|
|
*/
|
| 587 |
|
|
if (count > PAGE_SIZE) {
|
| 588 |
|
|
printk(KERN_ERR "count is %lu > %d!!!\n", count, (int)PAGE_SIZE);
|
| 589 |
|
|
return -ENOSPC;
|
| 590 |
|
|
}
|
| 591 |
|
|
|
| 592 |
|
|
if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM;
|
| 593 |
|
|
|
| 594 |
|
|
if(copy_from_user(page, buf, count))
|
| 595 |
|
|
{
|
| 596 |
|
|
retval = -EFAULT;
|
| 597 |
|
|
goto out;
|
| 598 |
|
|
}
|
| 599 |
|
|
|
| 600 |
|
|
if (page[count-1] == '\n')
|
| 601 |
|
|
page[count-1] = '\0';
|
| 602 |
|
|
else if (count < PAGE_SIZE)
|
| 603 |
|
|
page[count] = '\0';
|
| 604 |
|
|
else if (page[count]) {
|
| 605 |
|
|
retval = -EINVAL;
|
| 606 |
|
|
goto out;
|
| 607 |
|
|
}
|
| 608 |
|
|
|
| 609 |
|
|
buffer = page;
|
| 610 |
|
|
|
| 611 |
|
|
if (mutex_lock_interruptible(&cam->param_lock))
|
| 612 |
|
|
return -ERESTARTSYS;
|
| 613 |
|
|
|
| 614 |
|
|
/*
|
| 615 |
|
|
* Skip over leading whitespace
|
| 616 |
|
|
*/
|
| 617 |
|
|
while (count && isspace(*buffer)) {
|
| 618 |
|
|
--count;
|
| 619 |
|
|
++buffer;
|
| 620 |
|
|
}
|
| 621 |
|
|
|
| 622 |
|
|
memcpy(&new_params, &cam->params, sizeof(struct cam_params));
|
| 623 |
|
|
new_mains = cam->mainsFreq;
|
| 624 |
|
|
|
| 625 |
|
|
#define MATCH(x) (match(x, &buffer, &count, &find_colon, &retval))
|
| 626 |
|
|
#define VALUE (value(&buffer,&count, &retval))
|
| 627 |
|
|
#define FIRMWARE_VERSION(x,y) (new_params.version.firmwareVersion == (x) && \
|
| 628 |
|
|
new_params.version.firmwareRevision == (y))
|
| 629 |
|
|
|
| 630 |
|
|
retval = 0;
|
| 631 |
|
|
while (count && !retval) {
|
| 632 |
|
|
find_colon = 1;
|
| 633 |
|
|
if (MATCH("brightness")) {
|
| 634 |
|
|
if (!retval)
|
| 635 |
|
|
val = VALUE;
|
| 636 |
|
|
|
| 637 |
|
|
if (!retval) {
|
| 638 |
|
|
if (val <= 100)
|
| 639 |
|
|
new_params.colourParams.brightness = val;
|
| 640 |
|
|
else
|
| 641 |
|
|
retval = -EINVAL;
|
| 642 |
|
|
}
|
| 643 |
|
|
command_flags |= COMMAND_SETCOLOURPARAMS;
|
| 644 |
|
|
if(new_params.flickerControl.allowableOverExposure < 0)
|
| 645 |
|
|
new_params.flickerControl.allowableOverExposure =
|
| 646 |
|
|
-find_over_exposure(new_params.colourParams.brightness);
|
| 647 |
|
|
if(new_params.flickerControl.flickerMode != 0)
|
| 648 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 649 |
|
|
|
| 650 |
|
|
} else if (MATCH("contrast")) {
|
| 651 |
|
|
if (!retval)
|
| 652 |
|
|
val = VALUE;
|
| 653 |
|
|
|
| 654 |
|
|
if (!retval) {
|
| 655 |
|
|
if (val <= 100) {
|
| 656 |
|
|
/* contrast is in steps of 8, so round*/
|
| 657 |
|
|
val = ((val + 3) / 8) * 8;
|
| 658 |
|
|
/* 1-02 firmware limits contrast to 80*/
|
| 659 |
|
|
if (FIRMWARE_VERSION(1,2) && val > 80)
|
| 660 |
|
|
val = 80;
|
| 661 |
|
|
|
| 662 |
|
|
new_params.colourParams.contrast = val;
|
| 663 |
|
|
} else
|
| 664 |
|
|
retval = -EINVAL;
|
| 665 |
|
|
}
|
| 666 |
|
|
command_flags |= COMMAND_SETCOLOURPARAMS;
|
| 667 |
|
|
} else if (MATCH("saturation")) {
|
| 668 |
|
|
if (!retval)
|
| 669 |
|
|
val = VALUE;
|
| 670 |
|
|
|
| 671 |
|
|
if (!retval) {
|
| 672 |
|
|
if (val <= 100)
|
| 673 |
|
|
new_params.colourParams.saturation = val;
|
| 674 |
|
|
else
|
| 675 |
|
|
retval = -EINVAL;
|
| 676 |
|
|
}
|
| 677 |
|
|
command_flags |= COMMAND_SETCOLOURPARAMS;
|
| 678 |
|
|
} else if (MATCH("sensor_fps")) {
|
| 679 |
|
|
if (!retval)
|
| 680 |
|
|
val = VALUE;
|
| 681 |
|
|
|
| 682 |
|
|
if (!retval) {
|
| 683 |
|
|
/* find values so that sensorFPS is minimized,
|
| 684 |
|
|
* but >= val */
|
| 685 |
|
|
if (val > 30)
|
| 686 |
|
|
retval = -EINVAL;
|
| 687 |
|
|
else if (val > 25) {
|
| 688 |
|
|
new_params.sensorFps.divisor = 0;
|
| 689 |
|
|
new_params.sensorFps.baserate = 1;
|
| 690 |
|
|
} else if (val > 15) {
|
| 691 |
|
|
new_params.sensorFps.divisor = 0;
|
| 692 |
|
|
new_params.sensorFps.baserate = 0;
|
| 693 |
|
|
} else if (val > 12) {
|
| 694 |
|
|
new_params.sensorFps.divisor = 1;
|
| 695 |
|
|
new_params.sensorFps.baserate = 1;
|
| 696 |
|
|
} else if (val > 7) {
|
| 697 |
|
|
new_params.sensorFps.divisor = 1;
|
| 698 |
|
|
new_params.sensorFps.baserate = 0;
|
| 699 |
|
|
} else if (val > 6) {
|
| 700 |
|
|
new_params.sensorFps.divisor = 2;
|
| 701 |
|
|
new_params.sensorFps.baserate = 1;
|
| 702 |
|
|
} else if (val > 3) {
|
| 703 |
|
|
new_params.sensorFps.divisor = 2;
|
| 704 |
|
|
new_params.sensorFps.baserate = 0;
|
| 705 |
|
|
} else {
|
| 706 |
|
|
new_params.sensorFps.divisor = 3;
|
| 707 |
|
|
/* Either base rate would work here */
|
| 708 |
|
|
new_params.sensorFps.baserate = 1;
|
| 709 |
|
|
}
|
| 710 |
|
|
new_params.flickerControl.coarseJump =
|
| 711 |
|
|
flicker_jumps[new_mains]
|
| 712 |
|
|
[new_params.sensorFps.baserate]
|
| 713 |
|
|
[new_params.sensorFps.divisor];
|
| 714 |
|
|
if (new_params.flickerControl.flickerMode)
|
| 715 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 716 |
|
|
}
|
| 717 |
|
|
command_flags |= COMMAND_SETSENSORFPS;
|
| 718 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 719 |
|
|
} else if (MATCH("stream_start_line")) {
|
| 720 |
|
|
if (!retval)
|
| 721 |
|
|
val = VALUE;
|
| 722 |
|
|
|
| 723 |
|
|
if (!retval) {
|
| 724 |
|
|
int max_line = 288;
|
| 725 |
|
|
|
| 726 |
|
|
if (new_params.format.videoSize == VIDEOSIZE_QCIF)
|
| 727 |
|
|
max_line = 144;
|
| 728 |
|
|
if (val <= max_line)
|
| 729 |
|
|
new_params.streamStartLine = val/2;
|
| 730 |
|
|
else
|
| 731 |
|
|
retval = -EINVAL;
|
| 732 |
|
|
}
|
| 733 |
|
|
} else if (MATCH("sub_sample")) {
|
| 734 |
|
|
if (!retval && MATCH("420"))
|
| 735 |
|
|
new_params.format.subSample = SUBSAMPLE_420;
|
| 736 |
|
|
else if (!retval && MATCH("422"))
|
| 737 |
|
|
new_params.format.subSample = SUBSAMPLE_422;
|
| 738 |
|
|
else
|
| 739 |
|
|
retval = -EINVAL;
|
| 740 |
|
|
|
| 741 |
|
|
command_flags |= COMMAND_SETFORMAT;
|
| 742 |
|
|
} else if (MATCH("yuv_order")) {
|
| 743 |
|
|
if (!retval && MATCH("YUYV"))
|
| 744 |
|
|
new_params.format.yuvOrder = YUVORDER_YUYV;
|
| 745 |
|
|
else if (!retval && MATCH("UYVY"))
|
| 746 |
|
|
new_params.format.yuvOrder = YUVORDER_UYVY;
|
| 747 |
|
|
else
|
| 748 |
|
|
retval = -EINVAL;
|
| 749 |
|
|
|
| 750 |
|
|
command_flags |= COMMAND_SETFORMAT;
|
| 751 |
|
|
} else if (MATCH("ecp_timing")) {
|
| 752 |
|
|
if (!retval && MATCH("normal"))
|
| 753 |
|
|
new_params.ecpTiming = 0;
|
| 754 |
|
|
else if (!retval && MATCH("slow"))
|
| 755 |
|
|
new_params.ecpTiming = 1;
|
| 756 |
|
|
else
|
| 757 |
|
|
retval = -EINVAL;
|
| 758 |
|
|
|
| 759 |
|
|
command_flags |= COMMAND_SETECPTIMING;
|
| 760 |
|
|
} else if (MATCH("color_balance_mode")) {
|
| 761 |
|
|
if (!retval && MATCH("manual"))
|
| 762 |
|
|
new_params.colourBalance.balanceMode = 3;
|
| 763 |
|
|
else if (!retval && MATCH("auto"))
|
| 764 |
|
|
new_params.colourBalance.balanceMode = 2;
|
| 765 |
|
|
else
|
| 766 |
|
|
retval = -EINVAL;
|
| 767 |
|
|
|
| 768 |
|
|
command_flags |= COMMAND_SETCOLOURBALANCE;
|
| 769 |
|
|
} else if (MATCH("red_gain")) {
|
| 770 |
|
|
if (!retval)
|
| 771 |
|
|
val = VALUE;
|
| 772 |
|
|
|
| 773 |
|
|
if (!retval) {
|
| 774 |
|
|
if (val <= 212) {
|
| 775 |
|
|
new_params.colourBalance.redGain = val;
|
| 776 |
|
|
new_params.colourBalance.balanceMode = 1;
|
| 777 |
|
|
} else
|
| 778 |
|
|
retval = -EINVAL;
|
| 779 |
|
|
}
|
| 780 |
|
|
command_flags |= COMMAND_SETCOLOURBALANCE;
|
| 781 |
|
|
} else if (MATCH("green_gain")) {
|
| 782 |
|
|
if (!retval)
|
| 783 |
|
|
val = VALUE;
|
| 784 |
|
|
|
| 785 |
|
|
if (!retval) {
|
| 786 |
|
|
if (val <= 212) {
|
| 787 |
|
|
new_params.colourBalance.greenGain = val;
|
| 788 |
|
|
new_params.colourBalance.balanceMode = 1;
|
| 789 |
|
|
} else
|
| 790 |
|
|
retval = -EINVAL;
|
| 791 |
|
|
}
|
| 792 |
|
|
command_flags |= COMMAND_SETCOLOURBALANCE;
|
| 793 |
|
|
} else if (MATCH("blue_gain")) {
|
| 794 |
|
|
if (!retval)
|
| 795 |
|
|
val = VALUE;
|
| 796 |
|
|
|
| 797 |
|
|
if (!retval) {
|
| 798 |
|
|
if (val <= 212) {
|
| 799 |
|
|
new_params.colourBalance.blueGain = val;
|
| 800 |
|
|
new_params.colourBalance.balanceMode = 1;
|
| 801 |
|
|
} else
|
| 802 |
|
|
retval = -EINVAL;
|
| 803 |
|
|
}
|
| 804 |
|
|
command_flags |= COMMAND_SETCOLOURBALANCE;
|
| 805 |
|
|
} else if (MATCH("max_gain")) {
|
| 806 |
|
|
if (!retval)
|
| 807 |
|
|
val = VALUE;
|
| 808 |
|
|
|
| 809 |
|
|
if (!retval) {
|
| 810 |
|
|
/* 1-02 firmware limits gain to 2 */
|
| 811 |
|
|
if (FIRMWARE_VERSION(1,2) && val > 2)
|
| 812 |
|
|
val = 2;
|
| 813 |
|
|
switch(val) {
|
| 814 |
|
|
case 1:
|
| 815 |
|
|
new_params.exposure.gainMode = 1;
|
| 816 |
|
|
break;
|
| 817 |
|
|
case 2:
|
| 818 |
|
|
new_params.exposure.gainMode = 2;
|
| 819 |
|
|
break;
|
| 820 |
|
|
case 4:
|
| 821 |
|
|
new_params.exposure.gainMode = 3;
|
| 822 |
|
|
break;
|
| 823 |
|
|
case 8:
|
| 824 |
|
|
new_params.exposure.gainMode = 4;
|
| 825 |
|
|
break;
|
| 826 |
|
|
default:
|
| 827 |
|
|
retval = -EINVAL;
|
| 828 |
|
|
break;
|
| 829 |
|
|
}
|
| 830 |
|
|
}
|
| 831 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 832 |
|
|
} else if (MATCH("exposure_mode")) {
|
| 833 |
|
|
if (!retval && MATCH("auto"))
|
| 834 |
|
|
new_params.exposure.expMode = 2;
|
| 835 |
|
|
else if (!retval && MATCH("manual")) {
|
| 836 |
|
|
if (new_params.exposure.expMode == 2)
|
| 837 |
|
|
new_params.exposure.expMode = 3;
|
| 838 |
|
|
if(new_params.flickerControl.flickerMode != 0)
|
| 839 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 840 |
|
|
new_params.flickerControl.flickerMode = 0;
|
| 841 |
|
|
} else
|
| 842 |
|
|
retval = -EINVAL;
|
| 843 |
|
|
|
| 844 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 845 |
|
|
} else if (MATCH("centre_weight")) {
|
| 846 |
|
|
if (!retval && MATCH("on"))
|
| 847 |
|
|
new_params.exposure.centreWeight = 1;
|
| 848 |
|
|
else if (!retval && MATCH("off"))
|
| 849 |
|
|
new_params.exposure.centreWeight = 2;
|
| 850 |
|
|
else
|
| 851 |
|
|
retval = -EINVAL;
|
| 852 |
|
|
|
| 853 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 854 |
|
|
} else if (MATCH("gain")) {
|
| 855 |
|
|
if (!retval)
|
| 856 |
|
|
val = VALUE;
|
| 857 |
|
|
|
| 858 |
|
|
if (!retval) {
|
| 859 |
|
|
switch(val) {
|
| 860 |
|
|
case 1:
|
| 861 |
|
|
new_params.exposure.gain = 0;
|
| 862 |
|
|
break;
|
| 863 |
|
|
case 2:
|
| 864 |
|
|
new_params.exposure.gain = 1;
|
| 865 |
|
|
break;
|
| 866 |
|
|
case 4:
|
| 867 |
|
|
new_params.exposure.gain = 2;
|
| 868 |
|
|
break;
|
| 869 |
|
|
case 8:
|
| 870 |
|
|
new_params.exposure.gain = 3;
|
| 871 |
|
|
break;
|
| 872 |
|
|
default:
|
| 873 |
|
|
retval = -EINVAL;
|
| 874 |
|
|
break;
|
| 875 |
|
|
}
|
| 876 |
|
|
new_params.exposure.expMode = 1;
|
| 877 |
|
|
if(new_params.flickerControl.flickerMode != 0)
|
| 878 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 879 |
|
|
new_params.flickerControl.flickerMode = 0;
|
| 880 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 881 |
|
|
if (new_params.exposure.gain >
|
| 882 |
|
|
new_params.exposure.gainMode-1)
|
| 883 |
|
|
retval = -EINVAL;
|
| 884 |
|
|
}
|
| 885 |
|
|
} else if (MATCH("fine_exp")) {
|
| 886 |
|
|
if (!retval)
|
| 887 |
|
|
val = VALUE/2;
|
| 888 |
|
|
|
| 889 |
|
|
if (!retval) {
|
| 890 |
|
|
if (val < 256) {
|
| 891 |
|
|
/* 1-02 firmware limits fineExp/2 to 127*/
|
| 892 |
|
|
if (FIRMWARE_VERSION(1,2) && val > 127)
|
| 893 |
|
|
val = 127;
|
| 894 |
|
|
new_params.exposure.fineExp = val;
|
| 895 |
|
|
new_params.exposure.expMode = 1;
|
| 896 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 897 |
|
|
if(new_params.flickerControl.flickerMode != 0)
|
| 898 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 899 |
|
|
new_params.flickerControl.flickerMode = 0;
|
| 900 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 901 |
|
|
} else
|
| 902 |
|
|
retval = -EINVAL;
|
| 903 |
|
|
}
|
| 904 |
|
|
} else if (MATCH("coarse_exp")) {
|
| 905 |
|
|
if (!retval)
|
| 906 |
|
|
val = VALUE;
|
| 907 |
|
|
|
| 908 |
|
|
if (!retval) {
|
| 909 |
|
|
if (val <= MAX_EXP) {
|
| 910 |
|
|
if (FIRMWARE_VERSION(1,2) &&
|
| 911 |
|
|
val > MAX_EXP_102)
|
| 912 |
|
|
val = MAX_EXP_102;
|
| 913 |
|
|
new_params.exposure.coarseExpLo =
|
| 914 |
|
|
val & 0xff;
|
| 915 |
|
|
new_params.exposure.coarseExpHi =
|
| 916 |
|
|
val >> 8;
|
| 917 |
|
|
new_params.exposure.expMode = 1;
|
| 918 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 919 |
|
|
if(new_params.flickerControl.flickerMode != 0)
|
| 920 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 921 |
|
|
new_params.flickerControl.flickerMode = 0;
|
| 922 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 923 |
|
|
} else
|
| 924 |
|
|
retval = -EINVAL;
|
| 925 |
|
|
}
|
| 926 |
|
|
} else if (MATCH("red_comp")) {
|
| 927 |
|
|
if (!retval)
|
| 928 |
|
|
val = VALUE;
|
| 929 |
|
|
|
| 930 |
|
|
if (!retval) {
|
| 931 |
|
|
if (val >= COMP_RED && val <= 255) {
|
| 932 |
|
|
new_params.exposure.redComp = val;
|
| 933 |
|
|
new_params.exposure.compMode = 1;
|
| 934 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 935 |
|
|
} else
|
| 936 |
|
|
retval = -EINVAL;
|
| 937 |
|
|
}
|
| 938 |
|
|
} else if (MATCH("green1_comp")) {
|
| 939 |
|
|
if (!retval)
|
| 940 |
|
|
val = VALUE;
|
| 941 |
|
|
|
| 942 |
|
|
if (!retval) {
|
| 943 |
|
|
if (val >= COMP_GREEN1 && val <= 255) {
|
| 944 |
|
|
new_params.exposure.green1Comp = val;
|
| 945 |
|
|
new_params.exposure.compMode = 1;
|
| 946 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 947 |
|
|
} else
|
| 948 |
|
|
retval = -EINVAL;
|
| 949 |
|
|
}
|
| 950 |
|
|
} else if (MATCH("green2_comp")) {
|
| 951 |
|
|
if (!retval)
|
| 952 |
|
|
val = VALUE;
|
| 953 |
|
|
|
| 954 |
|
|
if (!retval) {
|
| 955 |
|
|
if (val >= COMP_GREEN2 && val <= 255) {
|
| 956 |
|
|
new_params.exposure.green2Comp = val;
|
| 957 |
|
|
new_params.exposure.compMode = 1;
|
| 958 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 959 |
|
|
} else
|
| 960 |
|
|
retval = -EINVAL;
|
| 961 |
|
|
}
|
| 962 |
|
|
} else if (MATCH("blue_comp")) {
|
| 963 |
|
|
if (!retval)
|
| 964 |
|
|
val = VALUE;
|
| 965 |
|
|
|
| 966 |
|
|
if (!retval) {
|
| 967 |
|
|
if (val >= COMP_BLUE && val <= 255) {
|
| 968 |
|
|
new_params.exposure.blueComp = val;
|
| 969 |
|
|
new_params.exposure.compMode = 1;
|
| 970 |
|
|
command_flags |= COMMAND_SETEXPOSURE;
|
| 971 |
|
|
} else
|
| 972 |
|
|
retval = -EINVAL;
|
| 973 |
|
|
}
|
| 974 |
|
|
} else if (MATCH("apcor_gain1")) {
|
| 975 |
|
|
if (!retval)
|
| 976 |
|
|
val = VALUE;
|
| 977 |
|
|
|
| 978 |
|
|
if (!retval) {
|
| 979 |
|
|
command_flags |= COMMAND_SETAPCOR;
|
| 980 |
|
|
if (val <= 0xff)
|
| 981 |
|
|
new_params.apcor.gain1 = val;
|
| 982 |
|
|
else
|
| 983 |
|
|
retval = -EINVAL;
|
| 984 |
|
|
}
|
| 985 |
|
|
} else if (MATCH("apcor_gain2")) {
|
| 986 |
|
|
if (!retval)
|
| 987 |
|
|
val = VALUE;
|
| 988 |
|
|
|
| 989 |
|
|
if (!retval) {
|
| 990 |
|
|
command_flags |= COMMAND_SETAPCOR;
|
| 991 |
|
|
if (val <= 0xff)
|
| 992 |
|
|
new_params.apcor.gain2 = val;
|
| 993 |
|
|
else
|
| 994 |
|
|
retval = -EINVAL;
|
| 995 |
|
|
}
|
| 996 |
|
|
} else if (MATCH("apcor_gain4")) {
|
| 997 |
|
|
if (!retval)
|
| 998 |
|
|
val = VALUE;
|
| 999 |
|
|
|
| 1000 |
|
|
if (!retval) {
|
| 1001 |
|
|
command_flags |= COMMAND_SETAPCOR;
|
| 1002 |
|
|
if (val <= 0xff)
|
| 1003 |
|
|
new_params.apcor.gain4 = val;
|
| 1004 |
|
|
else
|
| 1005 |
|
|
retval = -EINVAL;
|
| 1006 |
|
|
}
|
| 1007 |
|
|
} else if (MATCH("apcor_gain8")) {
|
| 1008 |
|
|
if (!retval)
|
| 1009 |
|
|
val = VALUE;
|
| 1010 |
|
|
|
| 1011 |
|
|
if (!retval) {
|
| 1012 |
|
|
command_flags |= COMMAND_SETAPCOR;
|
| 1013 |
|
|
if (val <= 0xff)
|
| 1014 |
|
|
new_params.apcor.gain8 = val;
|
| 1015 |
|
|
else
|
| 1016 |
|
|
retval = -EINVAL;
|
| 1017 |
|
|
}
|
| 1018 |
|
|
} else if (MATCH("vl_offset_gain1")) {
|
| 1019 |
|
|
if (!retval)
|
| 1020 |
|
|
val = VALUE;
|
| 1021 |
|
|
|
| 1022 |
|
|
if (!retval) {
|
| 1023 |
|
|
if (val <= 0xff)
|
| 1024 |
|
|
new_params.vlOffset.gain1 = val;
|
| 1025 |
|
|
else
|
| 1026 |
|
|
retval = -EINVAL;
|
| 1027 |
|
|
}
|
| 1028 |
|
|
command_flags |= COMMAND_SETVLOFFSET;
|
| 1029 |
|
|
} else if (MATCH("vl_offset_gain2")) {
|
| 1030 |
|
|
if (!retval)
|
| 1031 |
|
|
val = VALUE;
|
| 1032 |
|
|
|
| 1033 |
|
|
if (!retval) {
|
| 1034 |
|
|
if (val <= 0xff)
|
| 1035 |
|
|
new_params.vlOffset.gain2 = val;
|
| 1036 |
|
|
else
|
| 1037 |
|
|
retval = -EINVAL;
|
| 1038 |
|
|
}
|
| 1039 |
|
|
command_flags |= COMMAND_SETVLOFFSET;
|
| 1040 |
|
|
} else if (MATCH("vl_offset_gain4")) {
|
| 1041 |
|
|
if (!retval)
|
| 1042 |
|
|
val = VALUE;
|
| 1043 |
|
|
|
| 1044 |
|
|
if (!retval) {
|
| 1045 |
|
|
if (val <= 0xff)
|
| 1046 |
|
|
new_params.vlOffset.gain4 = val;
|
| 1047 |
|
|
else
|
| 1048 |
|
|
retval = -EINVAL;
|
| 1049 |
|
|
}
|
| 1050 |
|
|
command_flags |= COMMAND_SETVLOFFSET;
|
| 1051 |
|
|
} else if (MATCH("vl_offset_gain8")) {
|
| 1052 |
|
|
if (!retval)
|
| 1053 |
|
|
val = VALUE;
|
| 1054 |
|
|
|
| 1055 |
|
|
if (!retval) {
|
| 1056 |
|
|
if (val <= 0xff)
|
| 1057 |
|
|
new_params.vlOffset.gain8 = val;
|
| 1058 |
|
|
else
|
| 1059 |
|
|
retval = -EINVAL;
|
| 1060 |
|
|
}
|
| 1061 |
|
|
command_flags |= COMMAND_SETVLOFFSET;
|
| 1062 |
|
|
} else if (MATCH("flicker_control")) {
|
| 1063 |
|
|
if (!retval && MATCH("on")) {
|
| 1064 |
|
|
set_flicker(&new_params, &command_flags, 1);
|
| 1065 |
|
|
} else if (!retval && MATCH("off")) {
|
| 1066 |
|
|
set_flicker(&new_params, &command_flags, 0);
|
| 1067 |
|
|
} else
|
| 1068 |
|
|
retval = -EINVAL;
|
| 1069 |
|
|
|
| 1070 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 1071 |
|
|
} else if (MATCH("mains_frequency")) {
|
| 1072 |
|
|
if (!retval && MATCH("50")) {
|
| 1073 |
|
|
new_mains = 0;
|
| 1074 |
|
|
new_params.flickerControl.coarseJump =
|
| 1075 |
|
|
flicker_jumps[new_mains]
|
| 1076 |
|
|
[new_params.sensorFps.baserate]
|
| 1077 |
|
|
[new_params.sensorFps.divisor];
|
| 1078 |
|
|
if (new_params.flickerControl.flickerMode)
|
| 1079 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 1080 |
|
|
} else if (!retval && MATCH("60")) {
|
| 1081 |
|
|
new_mains = 1;
|
| 1082 |
|
|
new_params.flickerControl.coarseJump =
|
| 1083 |
|
|
flicker_jumps[new_mains]
|
| 1084 |
|
|
[new_params.sensorFps.baserate]
|
| 1085 |
|
|
[new_params.sensorFps.divisor];
|
| 1086 |
|
|
if (new_params.flickerControl.flickerMode)
|
| 1087 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 1088 |
|
|
} else
|
| 1089 |
|
|
retval = -EINVAL;
|
| 1090 |
|
|
} else if (MATCH("allowable_overexposure")) {
|
| 1091 |
|
|
if (!retval && MATCH("auto")) {
|
| 1092 |
|
|
new_params.flickerControl.allowableOverExposure =
|
| 1093 |
|
|
-find_over_exposure(new_params.colourParams.brightness);
|
| 1094 |
|
|
if(new_params.flickerControl.flickerMode != 0)
|
| 1095 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 1096 |
|
|
} else {
|
| 1097 |
|
|
if (!retval)
|
| 1098 |
|
|
val = VALUE;
|
| 1099 |
|
|
|
| 1100 |
|
|
if (!retval) {
|
| 1101 |
|
|
if (val <= 0xff) {
|
| 1102 |
|
|
new_params.flickerControl.
|
| 1103 |
|
|
allowableOverExposure = val;
|
| 1104 |
|
|
if(new_params.flickerControl.flickerMode != 0)
|
| 1105 |
|
|
command_flags |= COMMAND_SETFLICKERCTRL;
|
| 1106 |
|
|
} else
|
| 1107 |
|
|
retval = -EINVAL;
|
| 1108 |
|
|
}
|
| 1109 |
|
|
}
|
| 1110 |
|
|
} else if (MATCH("compression_mode")) {
|
| 1111 |
|
|
if (!retval && MATCH("none"))
|
| 1112 |
|
|
new_params.compression.mode =
|
| 1113 |
|
|
CPIA_COMPRESSION_NONE;
|
| 1114 |
|
|
else if (!retval && MATCH("auto"))
|
| 1115 |
|
|
new_params.compression.mode =
|
| 1116 |
|
|
CPIA_COMPRESSION_AUTO;
|
| 1117 |
|
|
else if (!retval && MATCH("manual"))
|
| 1118 |
|
|
new_params.compression.mode =
|
| 1119 |
|
|
CPIA_COMPRESSION_MANUAL;
|
| 1120 |
|
|
else
|
| 1121 |
|
|
retval = -EINVAL;
|
| 1122 |
|
|
|
| 1123 |
|
|
command_flags |= COMMAND_SETCOMPRESSION;
|
| 1124 |
|
|
} else if (MATCH("decimation_enable")) {
|
| 1125 |
|
|
if (!retval && MATCH("off"))
|
| 1126 |
|
|
new_params.compression.decimation = 0;
|
| 1127 |
|
|
else if (!retval && MATCH("on"))
|
| 1128 |
|
|
new_params.compression.decimation = 1;
|
| 1129 |
|
|
else
|
| 1130 |
|
|
retval = -EINVAL;
|
| 1131 |
|
|
|
| 1132 |
|
|
command_flags |= COMMAND_SETCOMPRESSION;
|
| 1133 |
|
|
} else if (MATCH("compression_target")) {
|
| 1134 |
|
|
if (!retval && MATCH("quality"))
|
| 1135 |
|
|
new_params.compressionTarget.frTargeting =
|
| 1136 |
|
|
CPIA_COMPRESSION_TARGET_QUALITY;
|
| 1137 |
|
|
else if (!retval && MATCH("framerate"))
|
| 1138 |
|
|
new_params.compressionTarget.frTargeting =
|
| 1139 |
|
|
CPIA_COMPRESSION_TARGET_FRAMERATE;
|
| 1140 |
|
|
else
|
| 1141 |
|
|
retval = -EINVAL;
|
| 1142 |
|
|
|
| 1143 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONTARGET;
|
| 1144 |
|
|
} else if (MATCH("target_framerate")) {
|
| 1145 |
|
|
if (!retval)
|
| 1146 |
|
|
val = VALUE;
|
| 1147 |
|
|
|
| 1148 |
|
|
if (!retval) {
|
| 1149 |
|
|
if(val > 0 && val <= 30)
|
| 1150 |
|
|
new_params.compressionTarget.targetFR = val;
|
| 1151 |
|
|
else
|
| 1152 |
|
|
retval = -EINVAL;
|
| 1153 |
|
|
}
|
| 1154 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONTARGET;
|
| 1155 |
|
|
} else if (MATCH("target_quality")) {
|
| 1156 |
|
|
if (!retval)
|
| 1157 |
|
|
val = VALUE;
|
| 1158 |
|
|
|
| 1159 |
|
|
if (!retval) {
|
| 1160 |
|
|
if(val > 0 && val <= 64)
|
| 1161 |
|
|
new_params.compressionTarget.targetQ = val;
|
| 1162 |
|
|
else
|
| 1163 |
|
|
retval = -EINVAL;
|
| 1164 |
|
|
}
|
| 1165 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONTARGET;
|
| 1166 |
|
|
} else if (MATCH("y_threshold")) {
|
| 1167 |
|
|
if (!retval)
|
| 1168 |
|
|
val = VALUE;
|
| 1169 |
|
|
|
| 1170 |
|
|
if (!retval) {
|
| 1171 |
|
|
if (val < 32)
|
| 1172 |
|
|
new_params.yuvThreshold.yThreshold = val;
|
| 1173 |
|
|
else
|
| 1174 |
|
|
retval = -EINVAL;
|
| 1175 |
|
|
}
|
| 1176 |
|
|
command_flags |= COMMAND_SETYUVTHRESH;
|
| 1177 |
|
|
} else if (MATCH("uv_threshold")) {
|
| 1178 |
|
|
if (!retval)
|
| 1179 |
|
|
val = VALUE;
|
| 1180 |
|
|
|
| 1181 |
|
|
if (!retval) {
|
| 1182 |
|
|
if (val < 32)
|
| 1183 |
|
|
new_params.yuvThreshold.uvThreshold = val;
|
| 1184 |
|
|
else
|
| 1185 |
|
|
retval = -EINVAL;
|
| 1186 |
|
|
}
|
| 1187 |
|
|
command_flags |= COMMAND_SETYUVTHRESH;
|
| 1188 |
|
|
} else if (MATCH("hysteresis")) {
|
| 1189 |
|
|
if (!retval)
|
| 1190 |
|
|
val = VALUE;
|
| 1191 |
|
|
|
| 1192 |
|
|
if (!retval) {
|
| 1193 |
|
|
if (val <= 0xff)
|
| 1194 |
|
|
new_params.compressionParams.hysteresis = val;
|
| 1195 |
|
|
else
|
| 1196 |
|
|
retval = -EINVAL;
|
| 1197 |
|
|
}
|
| 1198 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1199 |
|
|
} else if (MATCH("threshold_max")) {
|
| 1200 |
|
|
if (!retval)
|
| 1201 |
|
|
val = VALUE;
|
| 1202 |
|
|
|
| 1203 |
|
|
if (!retval) {
|
| 1204 |
|
|
if (val <= 0xff)
|
| 1205 |
|
|
new_params.compressionParams.threshMax = val;
|
| 1206 |
|
|
else
|
| 1207 |
|
|
retval = -EINVAL;
|
| 1208 |
|
|
}
|
| 1209 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1210 |
|
|
} else if (MATCH("small_step")) {
|
| 1211 |
|
|
if (!retval)
|
| 1212 |
|
|
val = VALUE;
|
| 1213 |
|
|
|
| 1214 |
|
|
if (!retval) {
|
| 1215 |
|
|
if (val <= 0xff)
|
| 1216 |
|
|
new_params.compressionParams.smallStep = val;
|
| 1217 |
|
|
else
|
| 1218 |
|
|
retval = -EINVAL;
|
| 1219 |
|
|
}
|
| 1220 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1221 |
|
|
} else if (MATCH("large_step")) {
|
| 1222 |
|
|
if (!retval)
|
| 1223 |
|
|
val = VALUE;
|
| 1224 |
|
|
|
| 1225 |
|
|
if (!retval) {
|
| 1226 |
|
|
if (val <= 0xff)
|
| 1227 |
|
|
new_params.compressionParams.largeStep = val;
|
| 1228 |
|
|
else
|
| 1229 |
|
|
retval = -EINVAL;
|
| 1230 |
|
|
}
|
| 1231 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1232 |
|
|
} else if (MATCH("decimation_hysteresis")) {
|
| 1233 |
|
|
if (!retval)
|
| 1234 |
|
|
val = VALUE;
|
| 1235 |
|
|
|
| 1236 |
|
|
if (!retval) {
|
| 1237 |
|
|
if (val <= 0xff)
|
| 1238 |
|
|
new_params.compressionParams.decimationHysteresis = val;
|
| 1239 |
|
|
else
|
| 1240 |
|
|
retval = -EINVAL;
|
| 1241 |
|
|
}
|
| 1242 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1243 |
|
|
} else if (MATCH("fr_diff_step_thresh")) {
|
| 1244 |
|
|
if (!retval)
|
| 1245 |
|
|
val = VALUE;
|
| 1246 |
|
|
|
| 1247 |
|
|
if (!retval) {
|
| 1248 |
|
|
if (val <= 0xff)
|
| 1249 |
|
|
new_params.compressionParams.frDiffStepThresh = val;
|
| 1250 |
|
|
else
|
| 1251 |
|
|
retval = -EINVAL;
|
| 1252 |
|
|
}
|
| 1253 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1254 |
|
|
} else if (MATCH("q_diff_step_thresh")) {
|
| 1255 |
|
|
if (!retval)
|
| 1256 |
|
|
val = VALUE;
|
| 1257 |
|
|
|
| 1258 |
|
|
if (!retval) {
|
| 1259 |
|
|
if (val <= 0xff)
|
| 1260 |
|
|
new_params.compressionParams.qDiffStepThresh = val;
|
| 1261 |
|
|
else
|
| 1262 |
|
|
retval = -EINVAL;
|
| 1263 |
|
|
}
|
| 1264 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1265 |
|
|
} else if (MATCH("decimation_thresh_mod")) {
|
| 1266 |
|
|
if (!retval)
|
| 1267 |
|
|
val = VALUE;
|
| 1268 |
|
|
|
| 1269 |
|
|
if (!retval) {
|
| 1270 |
|
|
if (val <= 0xff)
|
| 1271 |
|
|
new_params.compressionParams.decimationThreshMod = val;
|
| 1272 |
|
|
else
|
| 1273 |
|
|
retval = -EINVAL;
|
| 1274 |
|
|
}
|
| 1275 |
|
|
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
|
| 1276 |
|
|
} else if (MATCH("toplight")) {
|
| 1277 |
|
|
if (!retval && MATCH("on"))
|
| 1278 |
|
|
new_params.qx3.toplight = 1;
|
| 1279 |
|
|
else if (!retval && MATCH("off"))
|
| 1280 |
|
|
new_params.qx3.toplight = 0;
|
| 1281 |
|
|
else
|
| 1282 |
|
|
retval = -EINVAL;
|
| 1283 |
|
|
command_flags |= COMMAND_SETLIGHTS;
|
| 1284 |
|
|
} else if (MATCH("bottomlight")) {
|
| 1285 |
|
|
if (!retval && MATCH("on"))
|
| 1286 |
|
|
new_params.qx3.bottomlight = 1;
|
| 1287 |
|
|
else if (!retval && MATCH("off"))
|
| 1288 |
|
|
new_params.qx3.bottomlight = 0;
|
| 1289 |
|
|
else
|
| 1290 |
|
|
retval = -EINVAL;
|
| 1291 |
|
|
command_flags |= COMMAND_SETLIGHTS;
|
| 1292 |
|
|
} else {
|
| 1293 |
|
|
DBG("No match found\n");
|
| 1294 |
|
|
retval = -EINVAL;
|
| 1295 |
|
|
}
|
| 1296 |
|
|
|
| 1297 |
|
|
if (!retval) {
|
| 1298 |
|
|
while (count && isspace(*buffer) && *buffer != '\n') {
|
| 1299 |
|
|
--count;
|
| 1300 |
|
|
++buffer;
|
| 1301 |
|
|
}
|
| 1302 |
|
|
if (count) {
|
| 1303 |
|
|
if (*buffer == '\0' && count != 1)
|
| 1304 |
|
|
retval = -EINVAL;
|
| 1305 |
|
|
else if (*buffer != '\n' && *buffer != ';' &&
|
| 1306 |
|
|
*buffer != '\0')
|
| 1307 |
|
|
retval = -EINVAL;
|
| 1308 |
|
|
else {
|
| 1309 |
|
|
--count;
|
| 1310 |
|
|
++buffer;
|
| 1311 |
|
|
}
|
| 1312 |
|
|
}
|
| 1313 |
|
|
}
|
| 1314 |
|
|
}
|
| 1315 |
|
|
#undef MATCH
|
| 1316 |
|
|
#undef VALUE
|
| 1317 |
|
|
#undef FIRMWARE_VERSION
|
| 1318 |
|
|
if (!retval) {
|
| 1319 |
|
|
if (command_flags & COMMAND_SETCOLOURPARAMS) {
|
| 1320 |
|
|
/* Adjust cam->vp to reflect these changes */
|
| 1321 |
|
|
cam->vp.brightness =
|
| 1322 |
|
|
new_params.colourParams.brightness*65535/100;
|
| 1323 |
|
|
cam->vp.contrast =
|
| 1324 |
|
|
new_params.colourParams.contrast*65535/100;
|
| 1325 |
|
|
cam->vp.colour =
|
| 1326 |
|
|
new_params.colourParams.saturation*65535/100;
|
| 1327 |
|
|
}
|
| 1328 |
|
|
if((command_flags & COMMAND_SETEXPOSURE) &&
|
| 1329 |
|
|
new_params.exposure.expMode == 2)
|
| 1330 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 1331 |
|
|
|
| 1332 |
|
|
memcpy(&cam->params, &new_params, sizeof(struct cam_params));
|
| 1333 |
|
|
cam->mainsFreq = new_mains;
|
| 1334 |
|
|
cam->cmd_queue |= command_flags;
|
| 1335 |
|
|
retval = size;
|
| 1336 |
|
|
} else
|
| 1337 |
|
|
DBG("error: %d\n", retval);
|
| 1338 |
|
|
|
| 1339 |
|
|
mutex_unlock(&cam->param_lock);
|
| 1340 |
|
|
|
| 1341 |
|
|
out:
|
| 1342 |
|
|
free_page((unsigned long)page);
|
| 1343 |
|
|
return retval;
|
| 1344 |
|
|
}
|
| 1345 |
|
|
|
| 1346 |
|
|
static void create_proc_cpia_cam(struct cam_data *cam)
|
| 1347 |
|
|
{
|
| 1348 |
|
|
char name[5 + 1 + 10 + 1];
|
| 1349 |
|
|
struct proc_dir_entry *ent;
|
| 1350 |
|
|
|
| 1351 |
|
|
if (!cpia_proc_root || !cam)
|
| 1352 |
|
|
return;
|
| 1353 |
|
|
|
| 1354 |
|
|
snprintf(name, sizeof(name), "video%d", cam->vdev.minor);
|
| 1355 |
|
|
|
| 1356 |
|
|
ent = create_proc_entry(name, S_IFREG|S_IRUGO|S_IWUSR, cpia_proc_root);
|
| 1357 |
|
|
if (!ent)
|
| 1358 |
|
|
return;
|
| 1359 |
|
|
|
| 1360 |
|
|
ent->data = cam;
|
| 1361 |
|
|
ent->read_proc = cpia_read_proc;
|
| 1362 |
|
|
ent->write_proc = cpia_write_proc;
|
| 1363 |
|
|
/*
|
| 1364 |
|
|
size of the proc entry is 3736 bytes for the standard webcam;
|
| 1365 |
|
|
the extra features of the QX3 microscope add 189 bytes.
|
| 1366 |
|
|
(we have not yet probed the camera to see which type it is).
|
| 1367 |
|
|
*/
|
| 1368 |
|
|
ent->size = 3736 + 189;
|
| 1369 |
|
|
cam->proc_entry = ent;
|
| 1370 |
|
|
}
|
| 1371 |
|
|
|
| 1372 |
|
|
static void destroy_proc_cpia_cam(struct cam_data *cam)
|
| 1373 |
|
|
{
|
| 1374 |
|
|
char name[5 + 1 + 10 + 1];
|
| 1375 |
|
|
|
| 1376 |
|
|
if (!cam || !cam->proc_entry)
|
| 1377 |
|
|
return;
|
| 1378 |
|
|
|
| 1379 |
|
|
snprintf(name, sizeof(name), "video%d", cam->vdev.minor);
|
| 1380 |
|
|
remove_proc_entry(name, cpia_proc_root);
|
| 1381 |
|
|
cam->proc_entry = NULL;
|
| 1382 |
|
|
}
|
| 1383 |
|
|
|
| 1384 |
|
|
static void proc_cpia_create(void)
|
| 1385 |
|
|
{
|
| 1386 |
|
|
cpia_proc_root = proc_mkdir("cpia", NULL);
|
| 1387 |
|
|
|
| 1388 |
|
|
if (cpia_proc_root)
|
| 1389 |
|
|
cpia_proc_root->owner = THIS_MODULE;
|
| 1390 |
|
|
else
|
| 1391 |
|
|
LOG("Unable to initialise /proc/cpia\n");
|
| 1392 |
|
|
}
|
| 1393 |
|
|
|
| 1394 |
|
|
static void __exit proc_cpia_destroy(void)
|
| 1395 |
|
|
{
|
| 1396 |
|
|
remove_proc_entry("cpia", NULL);
|
| 1397 |
|
|
}
|
| 1398 |
|
|
#endif /* CONFIG_PROC_FS */
|
| 1399 |
|
|
|
| 1400 |
|
|
/* ----------------------- debug functions ---------------------- */
|
| 1401 |
|
|
|
| 1402 |
|
|
#define printstatus(cam) \
|
| 1403 |
|
|
DBG("%02x %02x %02x %02x %02x %02x %02x %02x\n",\
|
| 1404 |
|
|
cam->params.status.systemState, cam->params.status.grabState, \
|
| 1405 |
|
|
cam->params.status.streamState, cam->params.status.fatalError, \
|
| 1406 |
|
|
cam->params.status.cmdError, cam->params.status.debugFlags, \
|
| 1407 |
|
|
cam->params.status.vpStatus, cam->params.status.errorCode);
|
| 1408 |
|
|
|
| 1409 |
|
|
/* ----------------------- v4l helpers -------------------------- */
|
| 1410 |
|
|
|
| 1411 |
|
|
/* supported frame palettes and depths */
|
| 1412 |
|
|
static inline int valid_mode(u16 palette, u16 depth)
|
| 1413 |
|
|
{
|
| 1414 |
|
|
if ((palette == VIDEO_PALETTE_YUV422 && depth == 16) ||
|
| 1415 |
|
|
(palette == VIDEO_PALETTE_YUYV && depth == 16))
|
| 1416 |
|
|
return 1;
|
| 1417 |
|
|
|
| 1418 |
|
|
if (colorspace_conv)
|
| 1419 |
|
|
return (palette == VIDEO_PALETTE_GREY && depth == 8) ||
|
| 1420 |
|
|
(palette == VIDEO_PALETTE_RGB555 && depth == 16) ||
|
| 1421 |
|
|
(palette == VIDEO_PALETTE_RGB565 && depth == 16) ||
|
| 1422 |
|
|
(palette == VIDEO_PALETTE_RGB24 && depth == 24) ||
|
| 1423 |
|
|
(palette == VIDEO_PALETTE_RGB32 && depth == 32) ||
|
| 1424 |
|
|
(palette == VIDEO_PALETTE_UYVY && depth == 16);
|
| 1425 |
|
|
|
| 1426 |
|
|
return 0;
|
| 1427 |
|
|
}
|
| 1428 |
|
|
|
| 1429 |
|
|
static int match_videosize( int width, int height )
|
| 1430 |
|
|
{
|
| 1431 |
|
|
/* return the best match, where 'best' is as always
|
| 1432 |
|
|
* the largest that is not bigger than what is requested. */
|
| 1433 |
|
|
if (width>=352 && height>=288)
|
| 1434 |
|
|
return VIDEOSIZE_352_288; /* CIF */
|
| 1435 |
|
|
|
| 1436 |
|
|
if (width>=320 && height>=240)
|
| 1437 |
|
|
return VIDEOSIZE_320_240; /* SIF */
|
| 1438 |
|
|
|
| 1439 |
|
|
if (width>=288 && height>=216)
|
| 1440 |
|
|
return VIDEOSIZE_288_216;
|
| 1441 |
|
|
|
| 1442 |
|
|
if (width>=256 && height>=192)
|
| 1443 |
|
|
return VIDEOSIZE_256_192;
|
| 1444 |
|
|
|
| 1445 |
|
|
if (width>=224 && height>=168)
|
| 1446 |
|
|
return VIDEOSIZE_224_168;
|
| 1447 |
|
|
|
| 1448 |
|
|
if (width>=192 && height>=144)
|
| 1449 |
|
|
return VIDEOSIZE_192_144;
|
| 1450 |
|
|
|
| 1451 |
|
|
if (width>=176 && height>=144)
|
| 1452 |
|
|
return VIDEOSIZE_176_144; /* QCIF */
|
| 1453 |
|
|
|
| 1454 |
|
|
if (width>=160 && height>=120)
|
| 1455 |
|
|
return VIDEOSIZE_160_120; /* QSIF */
|
| 1456 |
|
|
|
| 1457 |
|
|
if (width>=128 && height>=96)
|
| 1458 |
|
|
return VIDEOSIZE_128_96;
|
| 1459 |
|
|
|
| 1460 |
|
|
if (width>=88 && height>=72)
|
| 1461 |
|
|
return VIDEOSIZE_88_72;
|
| 1462 |
|
|
|
| 1463 |
|
|
if (width>=64 && height>=48)
|
| 1464 |
|
|
return VIDEOSIZE_64_48;
|
| 1465 |
|
|
|
| 1466 |
|
|
if (width>=48 && height>=48)
|
| 1467 |
|
|
return VIDEOSIZE_48_48;
|
| 1468 |
|
|
|
| 1469 |
|
|
return -1;
|
| 1470 |
|
|
}
|
| 1471 |
|
|
|
| 1472 |
|
|
/* these are the capture sizes we support */
|
| 1473 |
|
|
static void set_vw_size(struct cam_data *cam)
|
| 1474 |
|
|
{
|
| 1475 |
|
|
/* the col/row/start/end values are the result of simple math */
|
| 1476 |
|
|
/* study the SetROI-command in cpia developers guide p 2-22 */
|
| 1477 |
|
|
/* streamStartLine is set to the recommended value in the cpia */
|
| 1478 |
|
|
/* developers guide p 3-37 */
|
| 1479 |
|
|
switch(cam->video_size) {
|
| 1480 |
|
|
case VIDEOSIZE_CIF:
|
| 1481 |
|
|
cam->vw.width = 352;
|
| 1482 |
|
|
cam->vw.height = 288;
|
| 1483 |
|
|
cam->params.format.videoSize=VIDEOSIZE_CIF;
|
| 1484 |
|
|
cam->params.roi.colStart=0;
|
| 1485 |
|
|
cam->params.roi.rowStart=0;
|
| 1486 |
|
|
cam->params.streamStartLine = 120;
|
| 1487 |
|
|
break;
|
| 1488 |
|
|
case VIDEOSIZE_SIF:
|
| 1489 |
|
|
cam->vw.width = 320;
|
| 1490 |
|
|
cam->vw.height = 240;
|
| 1491 |
|
|
cam->params.format.videoSize=VIDEOSIZE_CIF;
|
| 1492 |
|
|
cam->params.roi.colStart=2;
|
| 1493 |
|
|
cam->params.roi.rowStart=6;
|
| 1494 |
|
|
cam->params.streamStartLine = 120;
|
| 1495 |
|
|
break;
|
| 1496 |
|
|
case VIDEOSIZE_288_216:
|
| 1497 |
|
|
cam->vw.width = 288;
|
| 1498 |
|
|
cam->vw.height = 216;
|
| 1499 |
|
|
cam->params.format.videoSize=VIDEOSIZE_CIF;
|
| 1500 |
|
|
cam->params.roi.colStart=4;
|
| 1501 |
|
|
cam->params.roi.rowStart=9;
|
| 1502 |
|
|
cam->params.streamStartLine = 120;
|
| 1503 |
|
|
break;
|
| 1504 |
|
|
case VIDEOSIZE_256_192:
|
| 1505 |
|
|
cam->vw.width = 256;
|
| 1506 |
|
|
cam->vw.height = 192;
|
| 1507 |
|
|
cam->params.format.videoSize=VIDEOSIZE_CIF;
|
| 1508 |
|
|
cam->params.roi.colStart=6;
|
| 1509 |
|
|
cam->params.roi.rowStart=12;
|
| 1510 |
|
|
cam->params.streamStartLine = 120;
|
| 1511 |
|
|
break;
|
| 1512 |
|
|
case VIDEOSIZE_224_168:
|
| 1513 |
|
|
cam->vw.width = 224;
|
| 1514 |
|
|
cam->vw.height = 168;
|
| 1515 |
|
|
cam->params.format.videoSize=VIDEOSIZE_CIF;
|
| 1516 |
|
|
cam->params.roi.colStart=8;
|
| 1517 |
|
|
cam->params.roi.rowStart=15;
|
| 1518 |
|
|
cam->params.streamStartLine = 120;
|
| 1519 |
|
|
break;
|
| 1520 |
|
|
case VIDEOSIZE_192_144:
|
| 1521 |
|
|
cam->vw.width = 192;
|
| 1522 |
|
|
cam->vw.height = 144;
|
| 1523 |
|
|
cam->params.format.videoSize=VIDEOSIZE_CIF;
|
| 1524 |
|
|
cam->params.roi.colStart=10;
|
| 1525 |
|
|
cam->params.roi.rowStart=18;
|
| 1526 |
|
|
cam->params.streamStartLine = 120;
|
| 1527 |
|
|
break;
|
| 1528 |
|
|
case VIDEOSIZE_QCIF:
|
| 1529 |
|
|
cam->vw.width = 176;
|
| 1530 |
|
|
cam->vw.height = 144;
|
| 1531 |
|
|
cam->params.format.videoSize=VIDEOSIZE_QCIF;
|
| 1532 |
|
|
cam->params.roi.colStart=0;
|
| 1533 |
|
|
cam->params.roi.rowStart=0;
|
| 1534 |
|
|
cam->params.streamStartLine = 60;
|
| 1535 |
|
|
break;
|
| 1536 |
|
|
case VIDEOSIZE_QSIF:
|
| 1537 |
|
|
cam->vw.width = 160;
|
| 1538 |
|
|
cam->vw.height = 120;
|
| 1539 |
|
|
cam->params.format.videoSize=VIDEOSIZE_QCIF;
|
| 1540 |
|
|
cam->params.roi.colStart=1;
|
| 1541 |
|
|
cam->params.roi.rowStart=3;
|
| 1542 |
|
|
cam->params.streamStartLine = 60;
|
| 1543 |
|
|
break;
|
| 1544 |
|
|
case VIDEOSIZE_128_96:
|
| 1545 |
|
|
cam->vw.width = 128;
|
| 1546 |
|
|
cam->vw.height = 96;
|
| 1547 |
|
|
cam->params.format.videoSize=VIDEOSIZE_QCIF;
|
| 1548 |
|
|
cam->params.roi.colStart=3;
|
| 1549 |
|
|
cam->params.roi.rowStart=6;
|
| 1550 |
|
|
cam->params.streamStartLine = 60;
|
| 1551 |
|
|
break;
|
| 1552 |
|
|
case VIDEOSIZE_88_72:
|
| 1553 |
|
|
cam->vw.width = 88;
|
| 1554 |
|
|
cam->vw.height = 72;
|
| 1555 |
|
|
cam->params.format.videoSize=VIDEOSIZE_QCIF;
|
| 1556 |
|
|
cam->params.roi.colStart=5;
|
| 1557 |
|
|
cam->params.roi.rowStart=9;
|
| 1558 |
|
|
cam->params.streamStartLine = 60;
|
| 1559 |
|
|
break;
|
| 1560 |
|
|
case VIDEOSIZE_64_48:
|
| 1561 |
|
|
cam->vw.width = 64;
|
| 1562 |
|
|
cam->vw.height = 48;
|
| 1563 |
|
|
cam->params.format.videoSize=VIDEOSIZE_QCIF;
|
| 1564 |
|
|
cam->params.roi.colStart=7;
|
| 1565 |
|
|
cam->params.roi.rowStart=12;
|
| 1566 |
|
|
cam->params.streamStartLine = 60;
|
| 1567 |
|
|
break;
|
| 1568 |
|
|
case VIDEOSIZE_48_48:
|
| 1569 |
|
|
cam->vw.width = 48;
|
| 1570 |
|
|
cam->vw.height = 48;
|
| 1571 |
|
|
cam->params.format.videoSize=VIDEOSIZE_QCIF;
|
| 1572 |
|
|
cam->params.roi.colStart=8;
|
| 1573 |
|
|
cam->params.roi.rowStart=6;
|
| 1574 |
|
|
cam->params.streamStartLine = 60;
|
| 1575 |
|
|
break;
|
| 1576 |
|
|
default:
|
| 1577 |
|
|
LOG("bad videosize value: %d\n", cam->video_size);
|
| 1578 |
|
|
return;
|
| 1579 |
|
|
}
|
| 1580 |
|
|
|
| 1581 |
|
|
if(cam->vc.width == 0)
|
| 1582 |
|
|
cam->vc.width = cam->vw.width;
|
| 1583 |
|
|
if(cam->vc.height == 0)
|
| 1584 |
|
|
cam->vc.height = cam->vw.height;
|
| 1585 |
|
|
|
| 1586 |
|
|
cam->params.roi.colStart += cam->vc.x >> 3;
|
| 1587 |
|
|
cam->params.roi.colEnd = cam->params.roi.colStart +
|
| 1588 |
|
|
(cam->vc.width >> 3);
|
| 1589 |
|
|
cam->params.roi.rowStart += cam->vc.y >> 2;
|
| 1590 |
|
|
cam->params.roi.rowEnd = cam->params.roi.rowStart +
|
| 1591 |
|
|
(cam->vc.height >> 2);
|
| 1592 |
|
|
|
| 1593 |
|
|
return;
|
| 1594 |
|
|
}
|
| 1595 |
|
|
|
| 1596 |
|
|
static int allocate_frame_buf(struct cam_data *cam)
|
| 1597 |
|
|
{
|
| 1598 |
|
|
int i;
|
| 1599 |
|
|
|
| 1600 |
|
|
cam->frame_buf = rvmalloc(FRAME_NUM * CPIA_MAX_FRAME_SIZE);
|
| 1601 |
|
|
if (!cam->frame_buf)
|
| 1602 |
|
|
return -ENOBUFS;
|
| 1603 |
|
|
|
| 1604 |
|
|
for (i = 0; i < FRAME_NUM; i++)
|
| 1605 |
|
|
cam->frame[i].data = cam->frame_buf + i * CPIA_MAX_FRAME_SIZE;
|
| 1606 |
|
|
|
| 1607 |
|
|
return 0;
|
| 1608 |
|
|
}
|
| 1609 |
|
|
|
| 1610 |
|
|
static int free_frame_buf(struct cam_data *cam)
|
| 1611 |
|
|
{
|
| 1612 |
|
|
int i;
|
| 1613 |
|
|
|
| 1614 |
|
|
rvfree(cam->frame_buf, FRAME_NUM*CPIA_MAX_FRAME_SIZE);
|
| 1615 |
|
|
cam->frame_buf = NULL;
|
| 1616 |
|
|
for (i=0; i < FRAME_NUM; i++)
|
| 1617 |
|
|
cam->frame[i].data = NULL;
|
| 1618 |
|
|
|
| 1619 |
|
|
return 0;
|
| 1620 |
|
|
}
|
| 1621 |
|
|
|
| 1622 |
|
|
|
| 1623 |
|
|
static inline void free_frames(struct cpia_frame frame[FRAME_NUM])
|
| 1624 |
|
|
{
|
| 1625 |
|
|
int i;
|
| 1626 |
|
|
|
| 1627 |
|
|
for (i=0; i < FRAME_NUM; i++)
|
| 1628 |
|
|
frame[i].state = FRAME_UNUSED;
|
| 1629 |
|
|
return;
|
| 1630 |
|
|
}
|
| 1631 |
|
|
|
| 1632 |
|
|
/**********************************************************************
|
| 1633 |
|
|
*
|
| 1634 |
|
|
* General functions
|
| 1635 |
|
|
*
|
| 1636 |
|
|
**********************************************************************/
|
| 1637 |
|
|
/* send an arbitrary command to the camera */
|
| 1638 |
|
|
static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d)
|
| 1639 |
|
|
{
|
| 1640 |
|
|
int retval, datasize;
|
| 1641 |
|
|
u8 cmd[8], data[8];
|
| 1642 |
|
|
|
| 1643 |
|
|
switch(command) {
|
| 1644 |
|
|
case CPIA_COMMAND_GetCPIAVersion:
|
| 1645 |
|
|
case CPIA_COMMAND_GetPnPID:
|
| 1646 |
|
|
case CPIA_COMMAND_GetCameraStatus:
|
| 1647 |
|
|
case CPIA_COMMAND_GetVPVersion:
|
| 1648 |
|
|
datasize=8;
|
| 1649 |
|
|
break;
|
| 1650 |
|
|
case CPIA_COMMAND_GetColourParams:
|
| 1651 |
|
|
case CPIA_COMMAND_GetColourBalance:
|
| 1652 |
|
|
case CPIA_COMMAND_GetExposure:
|
| 1653 |
|
|
mutex_lock(&cam->param_lock);
|
| 1654 |
|
|
datasize=8;
|
| 1655 |
|
|
break;
|
| 1656 |
|
|
case CPIA_COMMAND_ReadMCPorts:
|
| 1657 |
|
|
case CPIA_COMMAND_ReadVCRegs:
|
| 1658 |
|
|
datasize = 4;
|
| 1659 |
|
|
break;
|
| 1660 |
|
|
default:
|
| 1661 |
|
|
datasize=0;
|
| 1662 |
|
|
break;
|
| 1663 |
|
|
}
|
| 1664 |
|
|
|
| 1665 |
|
|
cmd[0] = command>>8;
|
| 1666 |
|
|
cmd[1] = command&0xff;
|
| 1667 |
|
|
cmd[2] = a;
|
| 1668 |
|
|
cmd[3] = b;
|
| 1669 |
|
|
cmd[4] = c;
|
| 1670 |
|
|
cmd[5] = d;
|
| 1671 |
|
|
cmd[6] = datasize;
|
| 1672 |
|
|
cmd[7] = 0;
|
| 1673 |
|
|
|
| 1674 |
|
|
retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data);
|
| 1675 |
|
|
if (retval) {
|
| 1676 |
|
|
DBG("%x - failed, retval=%d\n", command, retval);
|
| 1677 |
|
|
if (command == CPIA_COMMAND_GetColourParams ||
|
| 1678 |
|
|
command == CPIA_COMMAND_GetColourBalance ||
|
| 1679 |
|
|
command == CPIA_COMMAND_GetExposure)
|
| 1680 |
|
|
mutex_unlock(&cam->param_lock);
|
| 1681 |
|
|
} else {
|
| 1682 |
|
|
switch(command) {
|
| 1683 |
|
|
case CPIA_COMMAND_GetCPIAVersion:
|
| 1684 |
|
|
cam->params.version.firmwareVersion = data[0];
|
| 1685 |
|
|
cam->params.version.firmwareRevision = data[1];
|
| 1686 |
|
|
cam->params.version.vcVersion = data[2];
|
| 1687 |
|
|
cam->params.version.vcRevision = data[3];
|
| 1688 |
|
|
break;
|
| 1689 |
|
|
case CPIA_COMMAND_GetPnPID:
|
| 1690 |
|
|
cam->params.pnpID.vendor = data[0]+(((u16)data[1])<<8);
|
| 1691 |
|
|
cam->params.pnpID.product = data[2]+(((u16)data[3])<<8);
|
| 1692 |
|
|
cam->params.pnpID.deviceRevision =
|
| 1693 |
|
|
data[4]+(((u16)data[5])<<8);
|
| 1694 |
|
|
break;
|
| 1695 |
|
|
case CPIA_COMMAND_GetCameraStatus:
|
| 1696 |
|
|
cam->params.status.systemState = data[0];
|
| 1697 |
|
|
cam->params.status.grabState = data[1];
|
| 1698 |
|
|
cam->params.status.streamState = data[2];
|
| 1699 |
|
|
cam->params.status.fatalError = data[3];
|
| 1700 |
|
|
cam->params.status.cmdError = data[4];
|
| 1701 |
|
|
cam->params.status.debugFlags = data[5];
|
| 1702 |
|
|
cam->params.status.vpStatus = data[6];
|
| 1703 |
|
|
cam->params.status.errorCode = data[7];
|
| 1704 |
|
|
break;
|
| 1705 |
|
|
case CPIA_COMMAND_GetVPVersion:
|
| 1706 |
|
|
cam->params.vpVersion.vpVersion = data[0];
|
| 1707 |
|
|
cam->params.vpVersion.vpRevision = data[1];
|
| 1708 |
|
|
cam->params.vpVersion.cameraHeadID =
|
| 1709 |
|
|
data[2]+(((u16)data[3])<<8);
|
| 1710 |
|
|
break;
|
| 1711 |
|
|
case CPIA_COMMAND_GetColourParams:
|
| 1712 |
|
|
cam->params.colourParams.brightness = data[0];
|
| 1713 |
|
|
cam->params.colourParams.contrast = data[1];
|
| 1714 |
|
|
cam->params.colourParams.saturation = data[2];
|
| 1715 |
|
|
mutex_unlock(&cam->param_lock);
|
| 1716 |
|
|
break;
|
| 1717 |
|
|
case CPIA_COMMAND_GetColourBalance:
|
| 1718 |
|
|
cam->params.colourBalance.redGain = data[0];
|
| 1719 |
|
|
cam->params.colourBalance.greenGain = data[1];
|
| 1720 |
|
|
cam->params.colourBalance.blueGain = data[2];
|
| 1721 |
|
|
mutex_unlock(&cam->param_lock);
|
| 1722 |
|
|
break;
|
| 1723 |
|
|
case CPIA_COMMAND_GetExposure:
|
| 1724 |
|
|
cam->params.exposure.gain = data[0];
|
| 1725 |
|
|
cam->params.exposure.fineExp = data[1];
|
| 1726 |
|
|
cam->params.exposure.coarseExpLo = data[2];
|
| 1727 |
|
|
cam->params.exposure.coarseExpHi = data[3];
|
| 1728 |
|
|
cam->params.exposure.redComp = data[4];
|
| 1729 |
|
|
cam->params.exposure.green1Comp = data[5];
|
| 1730 |
|
|
cam->params.exposure.green2Comp = data[6];
|
| 1731 |
|
|
cam->params.exposure.blueComp = data[7];
|
| 1732 |
|
|
mutex_unlock(&cam->param_lock);
|
| 1733 |
|
|
break;
|
| 1734 |
|
|
|
| 1735 |
|
|
case CPIA_COMMAND_ReadMCPorts:
|
| 1736 |
|
|
if (!cam->params.qx3.qx3_detected)
|
| 1737 |
|
|
break;
|
| 1738 |
|
|
/* test button press */
|
| 1739 |
|
|
cam->params.qx3.button = ((data[1] & 0x02) == 0);
|
| 1740 |
|
|
if (cam->params.qx3.button) {
|
| 1741 |
|
|
/* button pressed - unlock the latch */
|
| 1742 |
|
|
do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xDF,0xDF,0);
|
| 1743 |
|
|
do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xFF,0xFF,0);
|
| 1744 |
|
|
}
|
| 1745 |
|
|
|
| 1746 |
|
|
/* test whether microscope is cradled */
|
| 1747 |
|
|
cam->params.qx3.cradled = ((data[2] & 0x40) == 0);
|
| 1748 |
|
|
break;
|
| 1749 |
|
|
|
| 1750 |
|
|
default:
|
| 1751 |
|
|
break;
|
| 1752 |
|
|
}
|
| 1753 |
|
|
}
|
| 1754 |
|
|
return retval;
|
| 1755 |
|
|
}
|
| 1756 |
|
|
|
| 1757 |
|
|
/* send a command to the camera with an additional data transaction */
|
| 1758 |
|
|
static int do_command_extended(struct cam_data *cam, u16 command,
|
| 1759 |
|
|
u8 a, u8 b, u8 c, u8 d,
|
| 1760 |
|
|
u8 e, u8 f, u8 g, u8 h,
|
| 1761 |
|
|
u8 i, u8 j, u8 k, u8 l)
|
| 1762 |
|
|
{
|
| 1763 |
|
|
int retval;
|
| 1764 |
|
|
u8 cmd[8], data[8];
|
| 1765 |
|
|
|
| 1766 |
|
|
cmd[0] = command>>8;
|
| 1767 |
|
|
cmd[1] = command&0xff;
|
| 1768 |
|
|
cmd[2] = a;
|
| 1769 |
|
|
cmd[3] = b;
|
| 1770 |
|
|
cmd[4] = c;
|
| 1771 |
|
|
cmd[5] = d;
|
| 1772 |
|
|
cmd[6] = 8;
|
| 1773 |
|
|
cmd[7] = 0;
|
| 1774 |
|
|
data[0] = e;
|
| 1775 |
|
|
data[1] = f;
|
| 1776 |
|
|
data[2] = g;
|
| 1777 |
|
|
data[3] = h;
|
| 1778 |
|
|
data[4] = i;
|
| 1779 |
|
|
data[5] = j;
|
| 1780 |
|
|
data[6] = k;
|
| 1781 |
|
|
data[7] = l;
|
| 1782 |
|
|
|
| 1783 |
|
|
retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data);
|
| 1784 |
|
|
if (retval)
|
| 1785 |
|
|
DBG("%x - failed\n", command);
|
| 1786 |
|
|
|
| 1787 |
|
|
return retval;
|
| 1788 |
|
|
}
|
| 1789 |
|
|
|
| 1790 |
|
|
/**********************************************************************
|
| 1791 |
|
|
*
|
| 1792 |
|
|
* Colorspace conversion
|
| 1793 |
|
|
*
|
| 1794 |
|
|
**********************************************************************/
|
| 1795 |
|
|
#define LIMIT(x) ((((x)>0xffffff)?0xff0000:(((x)<=0xffff)?0:(x)&0xff0000))>>16)
|
| 1796 |
|
|
|
| 1797 |
|
|
static int convert420(unsigned char *yuv, unsigned char *rgb, int out_fmt,
|
| 1798 |
|
|
int linesize, int mmap_kludge)
|
| 1799 |
|
|
{
|
| 1800 |
|
|
int y, u, v, r, g, b, y1;
|
| 1801 |
|
|
|
| 1802 |
|
|
/* Odd lines use the same u and v as the previous line.
|
| 1803 |
|
|
* Because of compression, it is necessary to get this
|
| 1804 |
|
|
* information from the decoded image. */
|
| 1805 |
|
|
switch(out_fmt) {
|
| 1806 |
|
|
case VIDEO_PALETTE_RGB555:
|
| 1807 |
|
|
y = (*yuv++ - 16) * 76310;
|
| 1808 |
|
|
y1 = (*yuv - 16) * 76310;
|
| 1809 |
|
|
r = ((*(rgb+1-linesize)) & 0x7c) << 1;
|
| 1810 |
|
|
g = ((*(rgb-linesize)) & 0xe0) >> 4 |
|
| 1811 |
|
|
((*(rgb+1-linesize)) & 0x03) << 6;
|
| 1812 |
|
|
b = ((*(rgb-linesize)) & 0x1f) << 3;
|
| 1813 |
|
|
u = (-53294 * r - 104635 * g + 157929 * b) / 5756495;
|
| 1814 |
|
|
v = (157968 * r - 132278 * g - 25690 * b) / 5366159;
|
| 1815 |
|
|
r = 104635 * v;
|
| 1816 |
|
|
g = -25690 * u - 53294 * v;
|
| 1817 |
|
|
b = 132278 * u;
|
| 1818 |
|
|
*rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3);
|
| 1819 |
|
|
*rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6);
|
| 1820 |
|
|
*rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3);
|
| 1821 |
|
|
*rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6);
|
| 1822 |
|
|
return 4;
|
| 1823 |
|
|
case VIDEO_PALETTE_RGB565:
|
| 1824 |
|
|
y = (*yuv++ - 16) * 76310;
|
| 1825 |
|
|
y1 = (*yuv - 16) * 76310;
|
| 1826 |
|
|
r = (*(rgb+1-linesize)) & 0xf8;
|
| 1827 |
|
|
g = ((*(rgb-linesize)) & 0xe0) >> 3 |
|
| 1828 |
|
|
((*(rgb+1-linesize)) & 0x07) << 5;
|
| 1829 |
|
|
b = ((*(rgb-linesize)) & 0x1f) << 3;
|
| 1830 |
|
|
u = (-53294 * r - 104635 * g + 157929 * b) / 5756495;
|
| 1831 |
|
|
v = (157968 * r - 132278 * g - 25690 * b) / 5366159;
|
| 1832 |
|
|
r = 104635 * v;
|
| 1833 |
|
|
g = -25690 * u - 53294 * v;
|
| 1834 |
|
|
b = 132278 * u;
|
| 1835 |
|
|
*rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3);
|
| 1836 |
|
|
*rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5);
|
| 1837 |
|
|
*rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3);
|
| 1838 |
|
|
*rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5);
|
| 1839 |
|
|
return 4;
|
| 1840 |
|
|
break;
|
| 1841 |
|
|
case VIDEO_PALETTE_RGB24:
|
| 1842 |
|
|
case VIDEO_PALETTE_RGB32:
|
| 1843 |
|
|
y = (*yuv++ - 16) * 76310;
|
| 1844 |
|
|
y1 = (*yuv - 16) * 76310;
|
| 1845 |
|
|
if (mmap_kludge) {
|
| 1846 |
|
|
r = *(rgb+2-linesize);
|
| 1847 |
|
|
g = *(rgb+1-linesize);
|
| 1848 |
|
|
b = *(rgb-linesize);
|
| 1849 |
|
|
} else {
|
| 1850 |
|
|
r = *(rgb-linesize);
|
| 1851 |
|
|
g = *(rgb+1-linesize);
|
| 1852 |
|
|
b = *(rgb+2-linesize);
|
| 1853 |
|
|
}
|
| 1854 |
|
|
u = (-53294 * r - 104635 * g + 157929 * b) / 5756495;
|
| 1855 |
|
|
v = (157968 * r - 132278 * g - 25690 * b) / 5366159;
|
| 1856 |
|
|
r = 104635 * v;
|
| 1857 |
|
|
g = -25690 * u + -53294 * v;
|
| 1858 |
|
|
b = 132278 * u;
|
| 1859 |
|
|
if (mmap_kludge) {
|
| 1860 |
|
|
*rgb++ = LIMIT(b+y);
|
| 1861 |
|
|
*rgb++ = LIMIT(g+y);
|
| 1862 |
|
|
*rgb++ = LIMIT(r+y);
|
| 1863 |
|
|
if(out_fmt == VIDEO_PALETTE_RGB32)
|
| 1864 |
|
|
rgb++;
|
| 1865 |
|
|
*rgb++ = LIMIT(b+y1);
|
| 1866 |
|
|
*rgb++ = LIMIT(g+y1);
|
| 1867 |
|
|
*rgb = LIMIT(r+y1);
|
| 1868 |
|
|
} else {
|
| 1869 |
|
|
*rgb++ = LIMIT(r+y);
|
| 1870 |
|
|
*rgb++ = LIMIT(g+y);
|
| 1871 |
|
|
*rgb++ = LIMIT(b+y);
|
| 1872 |
|
|
if(out_fmt == VIDEO_PALETTE_RGB32)
|
| 1873 |
|
|
rgb++;
|
| 1874 |
|
|
*rgb++ = LIMIT(r+y1);
|
| 1875 |
|
|
*rgb++ = LIMIT(g+y1);
|
| 1876 |
|
|
*rgb = LIMIT(b+y1);
|
| 1877 |
|
|
}
|
| 1878 |
|
|
if(out_fmt == VIDEO_PALETTE_RGB32)
|
| 1879 |
|
|
return 8;
|
| 1880 |
|
|
return 6;
|
| 1881 |
|
|
case VIDEO_PALETTE_YUV422:
|
| 1882 |
|
|
case VIDEO_PALETTE_YUYV:
|
| 1883 |
|
|
y = *yuv++;
|
| 1884 |
|
|
u = *(rgb+1-linesize);
|
| 1885 |
|
|
y1 = *yuv;
|
| 1886 |
|
|
v = *(rgb+3-linesize);
|
| 1887 |
|
|
*rgb++ = y;
|
| 1888 |
|
|
*rgb++ = u;
|
| 1889 |
|
|
*rgb++ = y1;
|
| 1890 |
|
|
*rgb = v;
|
| 1891 |
|
|
return 4;
|
| 1892 |
|
|
case VIDEO_PALETTE_UYVY:
|
| 1893 |
|
|
u = *(rgb-linesize);
|
| 1894 |
|
|
y = *yuv++;
|
| 1895 |
|
|
v = *(rgb+2-linesize);
|
| 1896 |
|
|
y1 = *yuv;
|
| 1897 |
|
|
*rgb++ = u;
|
| 1898 |
|
|
*rgb++ = y;
|
| 1899 |
|
|
*rgb++ = v;
|
| 1900 |
|
|
*rgb = y1;
|
| 1901 |
|
|
return 4;
|
| 1902 |
|
|
case VIDEO_PALETTE_GREY:
|
| 1903 |
|
|
*rgb++ = *yuv++;
|
| 1904 |
|
|
*rgb = *yuv;
|
| 1905 |
|
|
return 2;
|
| 1906 |
|
|
default:
|
| 1907 |
|
|
DBG("Empty: %d\n", out_fmt);
|
| 1908 |
|
|
return 0;
|
| 1909 |
|
|
}
|
| 1910 |
|
|
}
|
| 1911 |
|
|
|
| 1912 |
|
|
|
| 1913 |
|
|
static int yuvconvert(unsigned char *yuv, unsigned char *rgb, int out_fmt,
|
| 1914 |
|
|
int in_uyvy, int mmap_kludge)
|
| 1915 |
|
|
{
|
| 1916 |
|
|
int y, u, v, r, g, b, y1;
|
| 1917 |
|
|
|
| 1918 |
|
|
switch(out_fmt) {
|
| 1919 |
|
|
case VIDEO_PALETTE_RGB555:
|
| 1920 |
|
|
case VIDEO_PALETTE_RGB565:
|
| 1921 |
|
|
case VIDEO_PALETTE_RGB24:
|
| 1922 |
|
|
case VIDEO_PALETTE_RGB32:
|
| 1923 |
|
|
if (in_uyvy) {
|
| 1924 |
|
|
u = *yuv++ - 128;
|
| 1925 |
|
|
y = (*yuv++ - 16) * 76310;
|
| 1926 |
|
|
v = *yuv++ - 128;
|
| 1927 |
|
|
y1 = (*yuv - 16) * 76310;
|
| 1928 |
|
|
} else {
|
| 1929 |
|
|
y = (*yuv++ - 16) * 76310;
|
| 1930 |
|
|
u = *yuv++ - 128;
|
| 1931 |
|
|
y1 = (*yuv++ - 16) * 76310;
|
| 1932 |
|
|
v = *yuv - 128;
|
| 1933 |
|
|
}
|
| 1934 |
|
|
r = 104635 * v;
|
| 1935 |
|
|
g = -25690 * u + -53294 * v;
|
| 1936 |
|
|
b = 132278 * u;
|
| 1937 |
|
|
break;
|
| 1938 |
|
|
default:
|
| 1939 |
|
|
y = *yuv++;
|
| 1940 |
|
|
u = *yuv++;
|
| 1941 |
|
|
y1 = *yuv++;
|
| 1942 |
|
|
v = *yuv;
|
| 1943 |
|
|
/* Just to avoid compiler warnings */
|
| 1944 |
|
|
r = 0;
|
| 1945 |
|
|
g = 0;
|
| 1946 |
|
|
b = 0;
|
| 1947 |
|
|
break;
|
| 1948 |
|
|
}
|
| 1949 |
|
|
switch(out_fmt) {
|
| 1950 |
|
|
case VIDEO_PALETTE_RGB555:
|
| 1951 |
|
|
*rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3);
|
| 1952 |
|
|
*rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6);
|
| 1953 |
|
|
*rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3);
|
| 1954 |
|
|
*rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6);
|
| 1955 |
|
|
return 4;
|
| 1956 |
|
|
case VIDEO_PALETTE_RGB565:
|
| 1957 |
|
|
*rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3);
|
| 1958 |
|
|
*rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5);
|
| 1959 |
|
|
*rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3);
|
| 1960 |
|
|
*rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5);
|
| 1961 |
|
|
return 4;
|
| 1962 |
|
|
case VIDEO_PALETTE_RGB24:
|
| 1963 |
|
|
if (mmap_kludge) {
|
| 1964 |
|
|
*rgb++ = LIMIT(b+y);
|
| 1965 |
|
|
*rgb++ = LIMIT(g+y);
|
| 1966 |
|
|
*rgb++ = LIMIT(r+y);
|
| 1967 |
|
|
*rgb++ = LIMIT(b+y1);
|
| 1968 |
|
|
*rgb++ = LIMIT(g+y1);
|
| 1969 |
|
|
*rgb = LIMIT(r+y1);
|
| 1970 |
|
|
} else {
|
| 1971 |
|
|
*rgb++ = LIMIT(r+y);
|
| 1972 |
|
|
*rgb++ = LIMIT(g+y);
|
| 1973 |
|
|
*rgb++ = LIMIT(b+y);
|
| 1974 |
|
|
*rgb++ = LIMIT(r+y1);
|
| 1975 |
|
|
*rgb++ = LIMIT(g+y1);
|
| 1976 |
|
|
*rgb = LIMIT(b+y1);
|
| 1977 |
|
|
}
|
| 1978 |
|
|
return 6;
|
| 1979 |
|
|
case VIDEO_PALETTE_RGB32:
|
| 1980 |
|
|
if (mmap_kludge) {
|
| 1981 |
|
|
*rgb++ = LIMIT(b+y);
|
| 1982 |
|
|
*rgb++ = LIMIT(g+y);
|
| 1983 |
|
|
*rgb++ = LIMIT(r+y);
|
| 1984 |
|
|
rgb++;
|
| 1985 |
|
|
*rgb++ = LIMIT(b+y1);
|
| 1986 |
|
|
*rgb++ = LIMIT(g+y1);
|
| 1987 |
|
|
*rgb = LIMIT(r+y1);
|
| 1988 |
|
|
} else {
|
| 1989 |
|
|
*rgb++ = LIMIT(r+y);
|
| 1990 |
|
|
*rgb++ = LIMIT(g+y);
|
| 1991 |
|
|
*rgb++ = LIMIT(b+y);
|
| 1992 |
|
|
rgb++;
|
| 1993 |
|
|
*rgb++ = LIMIT(r+y1);
|
| 1994 |
|
|
*rgb++ = LIMIT(g+y1);
|
| 1995 |
|
|
*rgb = LIMIT(b+y1);
|
| 1996 |
|
|
}
|
| 1997 |
|
|
return 8;
|
| 1998 |
|
|
case VIDEO_PALETTE_GREY:
|
| 1999 |
|
|
*rgb++ = y;
|
| 2000 |
|
|
*rgb = y1;
|
| 2001 |
|
|
return 2;
|
| 2002 |
|
|
case VIDEO_PALETTE_YUV422:
|
| 2003 |
|
|
case VIDEO_PALETTE_YUYV:
|
| 2004 |
|
|
*rgb++ = y;
|
| 2005 |
|
|
*rgb++ = u;
|
| 2006 |
|
|
*rgb++ = y1;
|
| 2007 |
|
|
*rgb = v;
|
| 2008 |
|
|
return 4;
|
| 2009 |
|
|
case VIDEO_PALETTE_UYVY:
|
| 2010 |
|
|
*rgb++ = u;
|
| 2011 |
|
|
*rgb++ = y;
|
| 2012 |
|
|
*rgb++ = v;
|
| 2013 |
|
|
*rgb = y1;
|
| 2014 |
|
|
return 4;
|
| 2015 |
|
|
default:
|
| 2016 |
|
|
DBG("Empty: %d\n", out_fmt);
|
| 2017 |
|
|
return 0;
|
| 2018 |
|
|
}
|
| 2019 |
|
|
}
|
| 2020 |
|
|
|
| 2021 |
|
|
static int skipcount(int count, int fmt)
|
| 2022 |
|
|
{
|
| 2023 |
|
|
switch(fmt) {
|
| 2024 |
|
|
case VIDEO_PALETTE_GREY:
|
| 2025 |
|
|
return count;
|
| 2026 |
|
|
case VIDEO_PALETTE_RGB555:
|
| 2027 |
|
|
case VIDEO_PALETTE_RGB565:
|
| 2028 |
|
|
case VIDEO_PALETTE_YUV422:
|
| 2029 |
|
|
case VIDEO_PALETTE_YUYV:
|
| 2030 |
|
|
case VIDEO_PALETTE_UYVY:
|
| 2031 |
|
|
return 2*count;
|
| 2032 |
|
|
case VIDEO_PALETTE_RGB24:
|
| 2033 |
|
|
return 3*count;
|
| 2034 |
|
|
case VIDEO_PALETTE_RGB32:
|
| 2035 |
|
|
return 4*count;
|
| 2036 |
|
|
default:
|
| 2037 |
|
|
return 0;
|
| 2038 |
|
|
}
|
| 2039 |
|
|
}
|
| 2040 |
|
|
|
| 2041 |
|
|
static int parse_picture(struct cam_data *cam, int size)
|
| 2042 |
|
|
{
|
| 2043 |
|
|
u8 *obuf, *ibuf, *end_obuf;
|
| 2044 |
|
|
int ll, in_uyvy, compressed, decimation, even_line, origsize, out_fmt;
|
| 2045 |
|
|
int rows, cols, linesize, subsample_422;
|
| 2046 |
|
|
|
| 2047 |
|
|
/* make sure params don't change while we are decoding */
|
| 2048 |
|
|
mutex_lock(&cam->param_lock);
|
| 2049 |
|
|
|
| 2050 |
|
|
obuf = cam->decompressed_frame.data;
|
| 2051 |
|
|
end_obuf = obuf+CPIA_MAX_FRAME_SIZE;
|
| 2052 |
|
|
ibuf = cam->raw_image;
|
| 2053 |
|
|
origsize = size;
|
| 2054 |
|
|
out_fmt = cam->vp.palette;
|
| 2055 |
|
|
|
| 2056 |
|
|
if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) {
|
| 2057 |
|
|
LOG("header not found\n");
|
| 2058 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2059 |
|
|
return -1;
|
| 2060 |
|
|
}
|
| 2061 |
|
|
|
| 2062 |
|
|
if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) {
|
| 2063 |
|
|
LOG("wrong video size\n");
|
| 2064 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2065 |
|
|
return -1;
|
| 2066 |
|
|
}
|
| 2067 |
|
|
|
| 2068 |
|
|
if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) {
|
| 2069 |
|
|
LOG("illegal subtype %d\n",ibuf[17]);
|
| 2070 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2071 |
|
|
return -1;
|
| 2072 |
|
|
}
|
| 2073 |
|
|
subsample_422 = ibuf[17] == SUBSAMPLE_422;
|
| 2074 |
|
|
|
| 2075 |
|
|
if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) {
|
| 2076 |
|
|
LOG("illegal yuvorder %d\n",ibuf[18]);
|
| 2077 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2078 |
|
|
return -1;
|
| 2079 |
|
|
}
|
| 2080 |
|
|
in_uyvy = ibuf[18] == YUVORDER_UYVY;
|
| 2081 |
|
|
|
| 2082 |
|
|
if ((ibuf[24] != cam->params.roi.colStart) ||
|
| 2083 |
|
|
(ibuf[25] != cam->params.roi.colEnd) ||
|
| 2084 |
|
|
(ibuf[26] != cam->params.roi.rowStart) ||
|
| 2085 |
|
|
(ibuf[27] != cam->params.roi.rowEnd)) {
|
| 2086 |
|
|
LOG("ROI mismatch\n");
|
| 2087 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2088 |
|
|
return -1;
|
| 2089 |
|
|
}
|
| 2090 |
|
|
cols = 8*(ibuf[25] - ibuf[24]);
|
| 2091 |
|
|
rows = 4*(ibuf[27] - ibuf[26]);
|
| 2092 |
|
|
|
| 2093 |
|
|
|
| 2094 |
|
|
if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) {
|
| 2095 |
|
|
LOG("illegal compression %d\n",ibuf[28]);
|
| 2096 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2097 |
|
|
return -1;
|
| 2098 |
|
|
}
|
| 2099 |
|
|
compressed = (ibuf[28] == COMPRESSED);
|
| 2100 |
|
|
|
| 2101 |
|
|
if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) {
|
| 2102 |
|
|
LOG("illegal decimation %d\n",ibuf[29]);
|
| 2103 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2104 |
|
|
return -1;
|
| 2105 |
|
|
}
|
| 2106 |
|
|
decimation = (ibuf[29] == DECIMATION_ENAB);
|
| 2107 |
|
|
|
| 2108 |
|
|
cam->params.yuvThreshold.yThreshold = ibuf[30];
|
| 2109 |
|
|
cam->params.yuvThreshold.uvThreshold = ibuf[31];
|
| 2110 |
|
|
cam->params.status.systemState = ibuf[32];
|
| 2111 |
|
|
cam->params.status.grabState = ibuf[33];
|
| 2112 |
|
|
cam->params.status.streamState = ibuf[34];
|
| 2113 |
|
|
cam->params.status.fatalError = ibuf[35];
|
| 2114 |
|
|
cam->params.status.cmdError = ibuf[36];
|
| 2115 |
|
|
cam->params.status.debugFlags = ibuf[37];
|
| 2116 |
|
|
cam->params.status.vpStatus = ibuf[38];
|
| 2117 |
|
|
cam->params.status.errorCode = ibuf[39];
|
| 2118 |
|
|
cam->fps = ibuf[41];
|
| 2119 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2120 |
|
|
|
| 2121 |
|
|
linesize = skipcount(cols, out_fmt);
|
| 2122 |
|
|
ibuf += FRAME_HEADER_SIZE;
|
| 2123 |
|
|
size -= FRAME_HEADER_SIZE;
|
| 2124 |
|
|
ll = ibuf[0] | (ibuf[1] << 8);
|
| 2125 |
|
|
ibuf += 2;
|
| 2126 |
|
|
even_line = 1;
|
| 2127 |
|
|
|
| 2128 |
|
|
while (size > 0) {
|
| 2129 |
|
|
size -= (ll+2);
|
| 2130 |
|
|
if (size < 0) {
|
| 2131 |
|
|
LOG("Insufficient data in buffer\n");
|
| 2132 |
|
|
return -1;
|
| 2133 |
|
|
}
|
| 2134 |
|
|
|
| 2135 |
|
|
while (ll > 1) {
|
| 2136 |
|
|
if (!compressed || (compressed && !(*ibuf & 1))) {
|
| 2137 |
|
|
if(subsample_422 || even_line) {
|
| 2138 |
|
|
obuf += yuvconvert(ibuf, obuf, out_fmt,
|
| 2139 |
|
|
in_uyvy, cam->mmap_kludge);
|
| 2140 |
|
|
ibuf += 4;
|
| 2141 |
|
|
ll -= 4;
|
| 2142 |
|
|
} else {
|
| 2143 |
|
|
/* SUBSAMPLE_420 on an odd line */
|
| 2144 |
|
|
obuf += convert420(ibuf, obuf,
|
| 2145 |
|
|
out_fmt, linesize,
|
| 2146 |
|
|
cam->mmap_kludge);
|
| 2147 |
|
|
ibuf += 2;
|
| 2148 |
|
|
ll -= 2;
|
| 2149 |
|
|
}
|
| 2150 |
|
|
} else {
|
| 2151 |
|
|
/*skip compressed interval from previous frame*/
|
| 2152 |
|
|
obuf += skipcount(*ibuf >> 1, out_fmt);
|
| 2153 |
|
|
if (obuf > end_obuf) {
|
| 2154 |
|
|
LOG("Insufficient buffer size\n");
|
| 2155 |
|
|
return -1;
|
| 2156 |
|
|
}
|
| 2157 |
|
|
++ibuf;
|
| 2158 |
|
|
ll--;
|
| 2159 |
|
|
}
|
| 2160 |
|
|
}
|
| 2161 |
|
|
if (ll == 1) {
|
| 2162 |
|
|
if (*ibuf != EOL) {
|
| 2163 |
|
|
DBG("EOL not found giving up after %d/%d"
|
| 2164 |
|
|
" bytes\n", origsize-size, origsize);
|
| 2165 |
|
|
return -1;
|
| 2166 |
|
|
}
|
| 2167 |
|
|
|
| 2168 |
|
|
++ibuf; /* skip over EOL */
|
| 2169 |
|
|
|
| 2170 |
|
|
if ((size > 3) && (ibuf[0] == EOI) && (ibuf[1] == EOI) &&
|
| 2171 |
|
|
(ibuf[2] == EOI) && (ibuf[3] == EOI)) {
|
| 2172 |
|
|
size -= 4;
|
| 2173 |
|
|
break;
|
| 2174 |
|
|
}
|
| 2175 |
|
|
|
| 2176 |
|
|
if(decimation) {
|
| 2177 |
|
|
/* skip the odd lines for now */
|
| 2178 |
|
|
obuf += linesize;
|
| 2179 |
|
|
}
|
| 2180 |
|
|
|
| 2181 |
|
|
if (size > 1) {
|
| 2182 |
|
|
ll = ibuf[0] | (ibuf[1] << 8);
|
| 2183 |
|
|
ibuf += 2; /* skip over line length */
|
| 2184 |
|
|
}
|
| 2185 |
|
|
if(!decimation)
|
| 2186 |
|
|
even_line = !even_line;
|
| 2187 |
|
|
} else {
|
| 2188 |
|
|
LOG("line length was not 1 but %d after %d/%d bytes\n",
|
| 2189 |
|
|
ll, origsize-size, origsize);
|
| 2190 |
|
|
return -1;
|
| 2191 |
|
|
}
|
| 2192 |
|
|
}
|
| 2193 |
|
|
|
| 2194 |
|
|
if(decimation) {
|
| 2195 |
|
|
/* interpolate odd rows */
|
| 2196 |
|
|
int i, j;
|
| 2197 |
|
|
u8 *prev, *next;
|
| 2198 |
|
|
prev = cam->decompressed_frame.data;
|
| 2199 |
|
|
obuf = prev+linesize;
|
| 2200 |
|
|
next = obuf+linesize;
|
| 2201 |
|
|
for(i=1; i<rows-1; i+=2) {
|
| 2202 |
|
|
for(j=0; j<linesize; ++j) {
|
| 2203 |
|
|
*obuf++ = ((int)*prev++ + *next++) / 2;
|
| 2204 |
|
|
}
|
| 2205 |
|
|
prev += linesize;
|
| 2206 |
|
|
obuf += linesize;
|
| 2207 |
|
|
next += linesize;
|
| 2208 |
|
|
}
|
| 2209 |
|
|
/* last row is odd, just copy previous row */
|
| 2210 |
|
|
memcpy(obuf, prev, linesize);
|
| 2211 |
|
|
}
|
| 2212 |
|
|
|
| 2213 |
|
|
cam->decompressed_frame.count = obuf-cam->decompressed_frame.data;
|
| 2214 |
|
|
|
| 2215 |
|
|
return cam->decompressed_frame.count;
|
| 2216 |
|
|
}
|
| 2217 |
|
|
|
| 2218 |
|
|
/* InitStreamCap wrapper to select correct start line */
|
| 2219 |
|
|
static inline int init_stream_cap(struct cam_data *cam)
|
| 2220 |
|
|
{
|
| 2221 |
|
|
return do_command(cam, CPIA_COMMAND_InitStreamCap,
|
| 2222 |
|
|
0, cam->params.streamStartLine, 0, 0);
|
| 2223 |
|
|
}
|
| 2224 |
|
|
|
| 2225 |
|
|
|
| 2226 |
|
|
/* find_over_exposure
|
| 2227 |
|
|
* Finds a suitable value of OverExposure for use with SetFlickerCtrl
|
| 2228 |
|
|
* Some calculation is required because this value changes with the brightness
|
| 2229 |
|
|
* set with SetColourParameters
|
| 2230 |
|
|
*
|
| 2231 |
|
|
* Parameters: Brightness - last brightness value set with SetColourParameters
|
| 2232 |
|
|
*
|
| 2233 |
|
|
* Returns: OverExposure value to use with SetFlickerCtrl
|
| 2234 |
|
|
*/
|
| 2235 |
|
|
#define FLICKER_MAX_EXPOSURE 250
|
| 2236 |
|
|
#define FLICKER_ALLOWABLE_OVER_EXPOSURE 146
|
| 2237 |
|
|
#define FLICKER_BRIGHTNESS_CONSTANT 59
|
| 2238 |
|
|
static int find_over_exposure(int brightness)
|
| 2239 |
|
|
{
|
| 2240 |
|
|
int MaxAllowableOverExposure, OverExposure;
|
| 2241 |
|
|
|
| 2242 |
|
|
MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness -
|
| 2243 |
|
|
FLICKER_BRIGHTNESS_CONSTANT;
|
| 2244 |
|
|
|
| 2245 |
|
|
if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) {
|
| 2246 |
|
|
OverExposure = MaxAllowableOverExposure;
|
| 2247 |
|
|
} else {
|
| 2248 |
|
|
OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE;
|
| 2249 |
|
|
}
|
| 2250 |
|
|
|
| 2251 |
|
|
return OverExposure;
|
| 2252 |
|
|
}
|
| 2253 |
|
|
#undef FLICKER_MAX_EXPOSURE
|
| 2254 |
|
|
#undef FLICKER_ALLOWABLE_OVER_EXPOSURE
|
| 2255 |
|
|
#undef FLICKER_BRIGHTNESS_CONSTANT
|
| 2256 |
|
|
|
| 2257 |
|
|
/* update various camera modes and settings */
|
| 2258 |
|
|
static void dispatch_commands(struct cam_data *cam)
|
| 2259 |
|
|
{
|
| 2260 |
|
|
mutex_lock(&cam->param_lock);
|
| 2261 |
|
|
if (cam->cmd_queue==COMMAND_NONE) {
|
| 2262 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2263 |
|
|
return;
|
| 2264 |
|
|
}
|
| 2265 |
|
|
DEB_BYTE(cam->cmd_queue);
|
| 2266 |
|
|
DEB_BYTE(cam->cmd_queue>>8);
|
| 2267 |
|
|
if (cam->cmd_queue & COMMAND_SETFORMAT) {
|
| 2268 |
|
|
do_command(cam, CPIA_COMMAND_SetFormat,
|
| 2269 |
|
|
cam->params.format.videoSize,
|
| 2270 |
|
|
cam->params.format.subSample,
|
| 2271 |
|
|
cam->params.format.yuvOrder, 0);
|
| 2272 |
|
|
do_command(cam, CPIA_COMMAND_SetROI,
|
| 2273 |
|
|
cam->params.roi.colStart, cam->params.roi.colEnd,
|
| 2274 |
|
|
cam->params.roi.rowStart, cam->params.roi.rowEnd);
|
| 2275 |
|
|
cam->first_frame = 1;
|
| 2276 |
|
|
}
|
| 2277 |
|
|
|
| 2278 |
|
|
if (cam->cmd_queue & COMMAND_SETCOLOURPARAMS)
|
| 2279 |
|
|
do_command(cam, CPIA_COMMAND_SetColourParams,
|
| 2280 |
|
|
cam->params.colourParams.brightness,
|
| 2281 |
|
|
cam->params.colourParams.contrast,
|
| 2282 |
|
|
cam->params.colourParams.saturation, 0);
|
| 2283 |
|
|
|
| 2284 |
|
|
if (cam->cmd_queue & COMMAND_SETAPCOR)
|
| 2285 |
|
|
do_command(cam, CPIA_COMMAND_SetApcor,
|
| 2286 |
|
|
cam->params.apcor.gain1,
|
| 2287 |
|
|
cam->params.apcor.gain2,
|
| 2288 |
|
|
cam->params.apcor.gain4,
|
| 2289 |
|
|
cam->params.apcor.gain8);
|
| 2290 |
|
|
|
| 2291 |
|
|
if (cam->cmd_queue & COMMAND_SETVLOFFSET)
|
| 2292 |
|
|
do_command(cam, CPIA_COMMAND_SetVLOffset,
|
| 2293 |
|
|
cam->params.vlOffset.gain1,
|
| 2294 |
|
|
cam->params.vlOffset.gain2,
|
| 2295 |
|
|
cam->params.vlOffset.gain4,
|
| 2296 |
|
|
cam->params.vlOffset.gain8);
|
| 2297 |
|
|
|
| 2298 |
|
|
if (cam->cmd_queue & COMMAND_SETEXPOSURE) {
|
| 2299 |
|
|
do_command_extended(cam, CPIA_COMMAND_SetExposure,
|
| 2300 |
|
|
cam->params.exposure.gainMode,
|
| 2301 |
|
|
1,
|
| 2302 |
|
|
cam->params.exposure.compMode,
|
| 2303 |
|
|
cam->params.exposure.centreWeight,
|
| 2304 |
|
|
cam->params.exposure.gain,
|
| 2305 |
|
|
cam->params.exposure.fineExp,
|
| 2306 |
|
|
cam->params.exposure.coarseExpLo,
|
| 2307 |
|
|
cam->params.exposure.coarseExpHi,
|
| 2308 |
|
|
cam->params.exposure.redComp,
|
| 2309 |
|
|
cam->params.exposure.green1Comp,
|
| 2310 |
|
|
cam->params.exposure.green2Comp,
|
| 2311 |
|
|
cam->params.exposure.blueComp);
|
| 2312 |
|
|
if(cam->params.exposure.expMode != 1) {
|
| 2313 |
|
|
do_command_extended(cam, CPIA_COMMAND_SetExposure,
|
| 2314 |
|
|
0,
|
| 2315 |
|
|
cam->params.exposure.expMode,
|
| 2316 |
|
|
0, 0,
|
| 2317 |
|
|
cam->params.exposure.gain,
|
| 2318 |
|
|
cam->params.exposure.fineExp,
|
| 2319 |
|
|
cam->params.exposure.coarseExpLo,
|
| 2320 |
|
|
cam->params.exposure.coarseExpHi,
|
| 2321 |
|
|
0, 0, 0, 0);
|
| 2322 |
|
|
}
|
| 2323 |
|
|
}
|
| 2324 |
|
|
|
| 2325 |
|
|
if (cam->cmd_queue & COMMAND_SETCOLOURBALANCE) {
|
| 2326 |
|
|
if (cam->params.colourBalance.balanceMode == 1) {
|
| 2327 |
|
|
do_command(cam, CPIA_COMMAND_SetColourBalance,
|
| 2328 |
|
|
1,
|
| 2329 |
|
|
cam->params.colourBalance.redGain,
|
| 2330 |
|
|
cam->params.colourBalance.greenGain,
|
| 2331 |
|
|
cam->params.colourBalance.blueGain);
|
| 2332 |
|
|
do_command(cam, CPIA_COMMAND_SetColourBalance,
|
| 2333 |
|
|
3, 0, 0, 0);
|
| 2334 |
|
|
}
|
| 2335 |
|
|
if (cam->params.colourBalance.balanceMode == 2) {
|
| 2336 |
|
|
do_command(cam, CPIA_COMMAND_SetColourBalance,
|
| 2337 |
|
|
2, 0, 0, 0);
|
| 2338 |
|
|
}
|
| 2339 |
|
|
if (cam->params.colourBalance.balanceMode == 3) {
|
| 2340 |
|
|
do_command(cam, CPIA_COMMAND_SetColourBalance,
|
| 2341 |
|
|
3, 0, 0, 0);
|
| 2342 |
|
|
}
|
| 2343 |
|
|
}
|
| 2344 |
|
|
|
| 2345 |
|
|
if (cam->cmd_queue & COMMAND_SETCOMPRESSIONTARGET)
|
| 2346 |
|
|
do_command(cam, CPIA_COMMAND_SetCompressionTarget,
|
| 2347 |
|
|
cam->params.compressionTarget.frTargeting,
|
| 2348 |
|
|
cam->params.compressionTarget.targetFR,
|
| 2349 |
|
|
cam->params.compressionTarget.targetQ, 0);
|
| 2350 |
|
|
|
| 2351 |
|
|
if (cam->cmd_queue & COMMAND_SETYUVTHRESH)
|
| 2352 |
|
|
do_command(cam, CPIA_COMMAND_SetYUVThresh,
|
| 2353 |
|
|
cam->params.yuvThreshold.yThreshold,
|
| 2354 |
|
|
cam->params.yuvThreshold.uvThreshold, 0, 0);
|
| 2355 |
|
|
|
| 2356 |
|
|
if (cam->cmd_queue & COMMAND_SETCOMPRESSIONPARAMS)
|
| 2357 |
|
|
do_command_extended(cam, CPIA_COMMAND_SetCompressionParams,
|
| 2358 |
|
|
0, 0, 0, 0,
|
| 2359 |
|
|
cam->params.compressionParams.hysteresis,
|
| 2360 |
|
|
cam->params.compressionParams.threshMax,
|
| 2361 |
|
|
cam->params.compressionParams.smallStep,
|
| 2362 |
|
|
cam->params.compressionParams.largeStep,
|
| 2363 |
|
|
cam->params.compressionParams.decimationHysteresis,
|
| 2364 |
|
|
cam->params.compressionParams.frDiffStepThresh,
|
| 2365 |
|
|
cam->params.compressionParams.qDiffStepThresh,
|
| 2366 |
|
|
cam->params.compressionParams.decimationThreshMod);
|
| 2367 |
|
|
|
| 2368 |
|
|
if (cam->cmd_queue & COMMAND_SETCOMPRESSION)
|
| 2369 |
|
|
do_command(cam, CPIA_COMMAND_SetCompression,
|
| 2370 |
|
|
cam->params.compression.mode,
|
| 2371 |
|
|
cam->params.compression.decimation, 0, 0);
|
| 2372 |
|
|
|
| 2373 |
|
|
if (cam->cmd_queue & COMMAND_SETSENSORFPS)
|
| 2374 |
|
|
do_command(cam, CPIA_COMMAND_SetSensorFPS,
|
| 2375 |
|
|
cam->params.sensorFps.divisor,
|
| 2376 |
|
|
cam->params.sensorFps.baserate, 0, 0);
|
| 2377 |
|
|
|
| 2378 |
|
|
if (cam->cmd_queue & COMMAND_SETFLICKERCTRL)
|
| 2379 |
|
|
do_command(cam, CPIA_COMMAND_SetFlickerCtrl,
|
| 2380 |
|
|
cam->params.flickerControl.flickerMode,
|
| 2381 |
|
|
cam->params.flickerControl.coarseJump,
|
| 2382 |
|
|
abs(cam->params.flickerControl.allowableOverExposure),
|
| 2383 |
|
|
0);
|
| 2384 |
|
|
|
| 2385 |
|
|
if (cam->cmd_queue & COMMAND_SETECPTIMING)
|
| 2386 |
|
|
do_command(cam, CPIA_COMMAND_SetECPTiming,
|
| 2387 |
|
|
cam->params.ecpTiming, 0, 0, 0);
|
| 2388 |
|
|
|
| 2389 |
|
|
if (cam->cmd_queue & COMMAND_PAUSE)
|
| 2390 |
|
|
do_command(cam, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0);
|
| 2391 |
|
|
|
| 2392 |
|
|
if (cam->cmd_queue & COMMAND_RESUME)
|
| 2393 |
|
|
init_stream_cap(cam);
|
| 2394 |
|
|
|
| 2395 |
|
|
if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected)
|
| 2396 |
|
|
{
|
| 2397 |
|
|
int p1 = (cam->params.qx3.bottomlight == 0) << 1;
|
| 2398 |
|
|
int p2 = (cam->params.qx3.toplight == 0) << 3;
|
| 2399 |
|
|
do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0);
|
| 2400 |
|
|
do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0);
|
| 2401 |
|
|
}
|
| 2402 |
|
|
|
| 2403 |
|
|
cam->cmd_queue = COMMAND_NONE;
|
| 2404 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2405 |
|
|
return;
|
| 2406 |
|
|
}
|
| 2407 |
|
|
|
| 2408 |
|
|
|
| 2409 |
|
|
|
| 2410 |
|
|
static void set_flicker(struct cam_params *params, volatile u32 *command_flags,
|
| 2411 |
|
|
int on)
|
| 2412 |
|
|
{
|
| 2413 |
|
|
/* Everything in here is from the Windows driver */
|
| 2414 |
|
|
#define FIRMWARE_VERSION(x,y) (params->version.firmwareVersion == (x) && \
|
| 2415 |
|
|
params->version.firmwareRevision == (y))
|
| 2416 |
|
|
/* define for compgain calculation */
|
| 2417 |
|
|
#if 0
|
| 2418 |
|
|
#define COMPGAIN(base, curexp, newexp) \
|
| 2419 |
|
|
(u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5)
|
| 2420 |
|
|
#define EXP_FROM_COMP(basecomp, curcomp, curexp) \
|
| 2421 |
|
|
(u16)((float)curexp * (float)(u8)(curcomp + 128) / (float)(u8)(basecomp - 128))
|
| 2422 |
|
|
#else
|
| 2423 |
|
|
/* equivalent functions without floating point math */
|
| 2424 |
|
|
#define COMPGAIN(base, curexp, newexp) \
|
| 2425 |
|
|
(u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2* newexp)) )
|
| 2426 |
|
|
#define EXP_FROM_COMP(basecomp, curcomp, curexp) \
|
| 2427 |
|
|
(u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128)))
|
| 2428 |
|
|
#endif
|
| 2429 |
|
|
|
| 2430 |
|
|
|
| 2431 |
|
|
int currentexp = params->exposure.coarseExpLo +
|
| 2432 |
|
|
params->exposure.coarseExpHi*256;
|
| 2433 |
|
|
int startexp;
|
| 2434 |
|
|
if (on) {
|
| 2435 |
|
|
int cj = params->flickerControl.coarseJump;
|
| 2436 |
|
|
params->flickerControl.flickerMode = 1;
|
| 2437 |
|
|
params->flickerControl.disabled = 0;
|
| 2438 |
|
|
if(params->exposure.expMode != 2)
|
| 2439 |
|
|
*command_flags |= COMMAND_SETEXPOSURE;
|
| 2440 |
|
|
params->exposure.expMode = 2;
|
| 2441 |
|
|
currentexp = currentexp << params->exposure.gain;
|
| 2442 |
|
|
params->exposure.gain = 0;
|
| 2443 |
|
|
/* round down current exposure to nearest value */
|
| 2444 |
|
|
startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj;
|
| 2445 |
|
|
if(startexp < 1)
|
| 2446 |
|
|
startexp = 1;
|
| 2447 |
|
|
startexp = (startexp * cj) - 1;
|
| 2448 |
|
|
if(FIRMWARE_VERSION(1,2))
|
| 2449 |
|
|
while(startexp > MAX_EXP_102)
|
| 2450 |
|
|
startexp -= cj;
|
| 2451 |
|
|
else
|
| 2452 |
|
|
while(startexp > MAX_EXP)
|
| 2453 |
|
|
startexp -= cj;
|
| 2454 |
|
|
params->exposure.coarseExpLo = startexp & 0xff;
|
| 2455 |
|
|
params->exposure.coarseExpHi = startexp >> 8;
|
| 2456 |
|
|
if (currentexp > startexp) {
|
| 2457 |
|
|
if (currentexp > (2 * startexp))
|
| 2458 |
|
|
currentexp = 2 * startexp;
|
| 2459 |
|
|
params->exposure.redComp = COMPGAIN (COMP_RED, currentexp, startexp);
|
| 2460 |
|
|
params->exposure.green1Comp = COMPGAIN (COMP_GREEN1, currentexp, startexp);
|
| 2461 |
|
|
params->exposure.green2Comp = COMPGAIN (COMP_GREEN2, currentexp, startexp);
|
| 2462 |
|
|
params->exposure.blueComp = COMPGAIN (COMP_BLUE, currentexp, startexp);
|
| 2463 |
|
|
} else {
|
| 2464 |
|
|
params->exposure.redComp = COMP_RED;
|
| 2465 |
|
|
params->exposure.green1Comp = COMP_GREEN1;
|
| 2466 |
|
|
params->exposure.green2Comp = COMP_GREEN2;
|
| 2467 |
|
|
params->exposure.blueComp = COMP_BLUE;
|
| 2468 |
|
|
}
|
| 2469 |
|
|
if(FIRMWARE_VERSION(1,2))
|
| 2470 |
|
|
params->exposure.compMode = 0;
|
| 2471 |
|
|
else
|
| 2472 |
|
|
params->exposure.compMode = 1;
|
| 2473 |
|
|
|
| 2474 |
|
|
params->apcor.gain1 = 0x18;
|
| 2475 |
|
|
params->apcor.gain2 = 0x18;
|
| 2476 |
|
|
params->apcor.gain4 = 0x16;
|
| 2477 |
|
|
params->apcor.gain8 = 0x14;
|
| 2478 |
|
|
*command_flags |= COMMAND_SETAPCOR;
|
| 2479 |
|
|
} else {
|
| 2480 |
|
|
params->flickerControl.flickerMode = 0;
|
| 2481 |
|
|
params->flickerControl.disabled = 1;
|
| 2482 |
|
|
/* Coarse = average of equivalent coarse for each comp channel */
|
| 2483 |
|
|
startexp = EXP_FROM_COMP(COMP_RED, params->exposure.redComp, currentexp);
|
| 2484 |
|
|
startexp += EXP_FROM_COMP(COMP_GREEN1, params->exposure.green1Comp, currentexp);
|
| 2485 |
|
|
startexp += EXP_FROM_COMP(COMP_GREEN2, params->exposure.green2Comp, currentexp);
|
| 2486 |
|
|
startexp += EXP_FROM_COMP(COMP_BLUE, params->exposure.blueComp, currentexp);
|
| 2487 |
|
|
startexp = startexp >> 2;
|
| 2488 |
|
|
while(startexp > MAX_EXP &&
|
| 2489 |
|
|
params->exposure.gain < params->exposure.gainMode-1) {
|
| 2490 |
|
|
startexp = startexp >> 1;
|
| 2491 |
|
|
++params->exposure.gain;
|
| 2492 |
|
|
}
|
| 2493 |
|
|
if(FIRMWARE_VERSION(1,2) && startexp > MAX_EXP_102)
|
| 2494 |
|
|
startexp = MAX_EXP_102;
|
| 2495 |
|
|
if(startexp > MAX_EXP)
|
| 2496 |
|
|
startexp = MAX_EXP;
|
| 2497 |
|
|
params->exposure.coarseExpLo = startexp&0xff;
|
| 2498 |
|
|
params->exposure.coarseExpHi = startexp >> 8;
|
| 2499 |
|
|
params->exposure.redComp = COMP_RED;
|
| 2500 |
|
|
params->exposure.green1Comp = COMP_GREEN1;
|
| 2501 |
|
|
params->exposure.green2Comp = COMP_GREEN2;
|
| 2502 |
|
|
params->exposure.blueComp = COMP_BLUE;
|
| 2503 |
|
|
params->exposure.compMode = 1;
|
| 2504 |
|
|
*command_flags |= COMMAND_SETEXPOSURE;
|
| 2505 |
|
|
params->apcor.gain1 = 0x18;
|
| 2506 |
|
|
params->apcor.gain2 = 0x16;
|
| 2507 |
|
|
params->apcor.gain4 = 0x24;
|
| 2508 |
|
|
params->apcor.gain8 = 0x34;
|
| 2509 |
|
|
*command_flags |= COMMAND_SETAPCOR;
|
| 2510 |
|
|
}
|
| 2511 |
|
|
params->vlOffset.gain1 = 20;
|
| 2512 |
|
|
params->vlOffset.gain2 = 24;
|
| 2513 |
|
|
params->vlOffset.gain4 = 26;
|
| 2514 |
|
|
params->vlOffset.gain8 = 26;
|
| 2515 |
|
|
*command_flags |= COMMAND_SETVLOFFSET;
|
| 2516 |
|
|
#undef FIRMWARE_VERSION
|
| 2517 |
|
|
#undef EXP_FROM_COMP
|
| 2518 |
|
|
#undef COMPGAIN
|
| 2519 |
|
|
}
|
| 2520 |
|
|
|
| 2521 |
|
|
#define FIRMWARE_VERSION(x,y) (cam->params.version.firmwareVersion == (x) && \
|
| 2522 |
|
|
cam->params.version.firmwareRevision == (y))
|
| 2523 |
|
|
/* monitor the exposure and adjust the sensor frame rate if needed */
|
| 2524 |
|
|
static void monitor_exposure(struct cam_data *cam)
|
| 2525 |
|
|
{
|
| 2526 |
|
|
u8 exp_acc, bcomp, gain, coarseL, cmd[8], data[8];
|
| 2527 |
|
|
int retval, light_exp, dark_exp, very_dark_exp;
|
| 2528 |
|
|
int old_exposure, new_exposure, framerate;
|
| 2529 |
|
|
|
| 2530 |
|
|
/* get necessary stats and register settings from camera */
|
| 2531 |
|
|
/* do_command can't handle this, so do it ourselves */
|
| 2532 |
|
|
cmd[0] = CPIA_COMMAND_ReadVPRegs>>8;
|
| 2533 |
|
|
cmd[1] = CPIA_COMMAND_ReadVPRegs&0xff;
|
| 2534 |
|
|
cmd[2] = 30;
|
| 2535 |
|
|
cmd[3] = 4;
|
| 2536 |
|
|
cmd[4] = 9;
|
| 2537 |
|
|
cmd[5] = 8;
|
| 2538 |
|
|
cmd[6] = 8;
|
| 2539 |
|
|
cmd[7] = 0;
|
| 2540 |
|
|
retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data);
|
| 2541 |
|
|
if (retval) {
|
| 2542 |
|
|
LOG("ReadVPRegs(30,4,9,8) - failed, retval=%d\n",
|
| 2543 |
|
|
retval);
|
| 2544 |
|
|
return;
|
| 2545 |
|
|
}
|
| 2546 |
|
|
exp_acc = data[0];
|
| 2547 |
|
|
bcomp = data[1];
|
| 2548 |
|
|
gain = data[2];
|
| 2549 |
|
|
coarseL = data[3];
|
| 2550 |
|
|
|
| 2551 |
|
|
mutex_lock(&cam->param_lock);
|
| 2552 |
|
|
light_exp = cam->params.colourParams.brightness +
|
| 2553 |
|
|
TC - 50 + EXP_ACC_LIGHT;
|
| 2554 |
|
|
if(light_exp > 255)
|
| 2555 |
|
|
light_exp = 255;
|
| 2556 |
|
|
dark_exp = cam->params.colourParams.brightness +
|
| 2557 |
|
|
TC - 50 - EXP_ACC_DARK;
|
| 2558 |
|
|
if(dark_exp < 0)
|
| 2559 |
|
|
dark_exp = 0;
|
| 2560 |
|
|
very_dark_exp = dark_exp/2;
|
| 2561 |
|
|
|
| 2562 |
|
|
old_exposure = cam->params.exposure.coarseExpHi * 256 +
|
| 2563 |
|
|
cam->params.exposure.coarseExpLo;
|
| 2564 |
|
|
|
| 2565 |
|
|
if(!cam->params.flickerControl.disabled) {
|
| 2566 |
|
|
/* Flicker control on */
|
| 2567 |
|
|
int max_comp = FIRMWARE_VERSION(1,2) ? MAX_COMP : HIGH_COMP_102;
|
| 2568 |
|
|
bcomp += 128; /* decode */
|
| 2569 |
|
|
if(bcomp >= max_comp && exp_acc < dark_exp) {
|
| 2570 |
|
|
/* dark */
|
| 2571 |
|
|
if(exp_acc < very_dark_exp) {
|
| 2572 |
|
|
/* very dark */
|
| 2573 |
|
|
if(cam->exposure_status == EXPOSURE_VERY_DARK)
|
| 2574 |
|
|
++cam->exposure_count;
|
| 2575 |
|
|
else {
|
| 2576 |
|
|
cam->exposure_status = EXPOSURE_VERY_DARK;
|
| 2577 |
|
|
cam->exposure_count = 1;
|
| 2578 |
|
|
}
|
| 2579 |
|
|
} else {
|
| 2580 |
|
|
/* just dark */
|
| 2581 |
|
|
if(cam->exposure_status == EXPOSURE_DARK)
|
| 2582 |
|
|
++cam->exposure_count;
|
| 2583 |
|
|
else {
|
| 2584 |
|
|
cam->exposure_status = EXPOSURE_DARK;
|
| 2585 |
|
|
cam->exposure_count = 1;
|
| 2586 |
|
|
}
|
| 2587 |
|
|
}
|
| 2588 |
|
|
} else if(old_exposure <= LOW_EXP || exp_acc > light_exp) {
|
| 2589 |
|
|
/* light */
|
| 2590 |
|
|
if(old_exposure <= VERY_LOW_EXP) {
|
| 2591 |
|
|
/* very light */
|
| 2592 |
|
|
if(cam->exposure_status == EXPOSURE_VERY_LIGHT)
|
| 2593 |
|
|
++cam->exposure_count;
|
| 2594 |
|
|
else {
|
| 2595 |
|
|
cam->exposure_status = EXPOSURE_VERY_LIGHT;
|
| 2596 |
|
|
cam->exposure_count = 1;
|
| 2597 |
|
|
}
|
| 2598 |
|
|
} else {
|
| 2599 |
|
|
/* just light */
|
| 2600 |
|
|
if(cam->exposure_status == EXPOSURE_LIGHT)
|
| 2601 |
|
|
++cam->exposure_count;
|
| 2602 |
|
|
else {
|
| 2603 |
|
|
cam->exposure_status = EXPOSURE_LIGHT;
|
| 2604 |
|
|
cam->exposure_count = 1;
|
| 2605 |
|
|
}
|
| 2606 |
|
|
}
|
| 2607 |
|
|
} else {
|
| 2608 |
|
|
/* not dark or light */
|
| 2609 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 2610 |
|
|
}
|
| 2611 |
|
|
} else {
|
| 2612 |
|
|
/* Flicker control off */
|
| 2613 |
|
|
if(old_exposure >= MAX_EXP && exp_acc < dark_exp) {
|
| 2614 |
|
|
/* dark */
|
| 2615 |
|
|
if(exp_acc < very_dark_exp) {
|
| 2616 |
|
|
/* very dark */
|
| 2617 |
|
|
if(cam->exposure_status == EXPOSURE_VERY_DARK)
|
| 2618 |
|
|
++cam->exposure_count;
|
| 2619 |
|
|
else {
|
| 2620 |
|
|
cam->exposure_status = EXPOSURE_VERY_DARK;
|
| 2621 |
|
|
cam->exposure_count = 1;
|
| 2622 |
|
|
}
|
| 2623 |
|
|
} else {
|
| 2624 |
|
|
/* just dark */
|
| 2625 |
|
|
if(cam->exposure_status == EXPOSURE_DARK)
|
| 2626 |
|
|
++cam->exposure_count;
|
| 2627 |
|
|
else {
|
| 2628 |
|
|
cam->exposure_status = EXPOSURE_DARK;
|
| 2629 |
|
|
cam->exposure_count = 1;
|
| 2630 |
|
|
}
|
| 2631 |
|
|
}
|
| 2632 |
|
|
} else if(old_exposure <= LOW_EXP || exp_acc > light_exp) {
|
| 2633 |
|
|
/* light */
|
| 2634 |
|
|
if(old_exposure <= VERY_LOW_EXP) {
|
| 2635 |
|
|
/* very light */
|
| 2636 |
|
|
if(cam->exposure_status == EXPOSURE_VERY_LIGHT)
|
| 2637 |
|
|
++cam->exposure_count;
|
| 2638 |
|
|
else {
|
| 2639 |
|
|
cam->exposure_status = EXPOSURE_VERY_LIGHT;
|
| 2640 |
|
|
cam->exposure_count = 1;
|
| 2641 |
|
|
}
|
| 2642 |
|
|
} else {
|
| 2643 |
|
|
/* just light */
|
| 2644 |
|
|
if(cam->exposure_status == EXPOSURE_LIGHT)
|
| 2645 |
|
|
++cam->exposure_count;
|
| 2646 |
|
|
else {
|
| 2647 |
|
|
cam->exposure_status = EXPOSURE_LIGHT;
|
| 2648 |
|
|
cam->exposure_count = 1;
|
| 2649 |
|
|
}
|
| 2650 |
|
|
}
|
| 2651 |
|
|
} else {
|
| 2652 |
|
|
/* not dark or light */
|
| 2653 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 2654 |
|
|
}
|
| 2655 |
|
|
}
|
| 2656 |
|
|
|
| 2657 |
|
|
framerate = cam->fps;
|
| 2658 |
|
|
if(framerate > 30 || framerate < 1)
|
| 2659 |
|
|
framerate = 1;
|
| 2660 |
|
|
|
| 2661 |
|
|
if(!cam->params.flickerControl.disabled) {
|
| 2662 |
|
|
/* Flicker control on */
|
| 2663 |
|
|
if((cam->exposure_status == EXPOSURE_VERY_DARK ||
|
| 2664 |
|
|
cam->exposure_status == EXPOSURE_DARK) &&
|
| 2665 |
|
|
cam->exposure_count >= DARK_TIME*framerate &&
|
| 2666 |
|
|
cam->params.sensorFps.divisor < 3) {
|
| 2667 |
|
|
|
| 2668 |
|
|
/* dark for too long */
|
| 2669 |
|
|
++cam->params.sensorFps.divisor;
|
| 2670 |
|
|
cam->cmd_queue |= COMMAND_SETSENSORFPS;
|
| 2671 |
|
|
|
| 2672 |
|
|
cam->params.flickerControl.coarseJump =
|
| 2673 |
|
|
flicker_jumps[cam->mainsFreq]
|
| 2674 |
|
|
[cam->params.sensorFps.baserate]
|
| 2675 |
|
|
[cam->params.sensorFps.divisor];
|
| 2676 |
|
|
cam->cmd_queue |= COMMAND_SETFLICKERCTRL;
|
| 2677 |
|
|
|
| 2678 |
|
|
new_exposure = cam->params.flickerControl.coarseJump-1;
|
| 2679 |
|
|
while(new_exposure < old_exposure/2)
|
| 2680 |
|
|
new_exposure += cam->params.flickerControl.coarseJump;
|
| 2681 |
|
|
cam->params.exposure.coarseExpLo = new_exposure & 0xff;
|
| 2682 |
|
|
cam->params.exposure.coarseExpHi = new_exposure >> 8;
|
| 2683 |
|
|
cam->cmd_queue |= COMMAND_SETEXPOSURE;
|
| 2684 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 2685 |
|
|
LOG("Automatically decreasing sensor_fps\n");
|
| 2686 |
|
|
|
| 2687 |
|
|
} else if((cam->exposure_status == EXPOSURE_VERY_LIGHT ||
|
| 2688 |
|
|
cam->exposure_status == EXPOSURE_LIGHT) &&
|
| 2689 |
|
|
cam->exposure_count >= LIGHT_TIME*framerate &&
|
| 2690 |
|
|
cam->params.sensorFps.divisor > 0) {
|
| 2691 |
|
|
|
| 2692 |
|
|
/* light for too long */
|
| 2693 |
|
|
int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ;
|
| 2694 |
|
|
|
| 2695 |
|
|
--cam->params.sensorFps.divisor;
|
| 2696 |
|
|
cam->cmd_queue |= COMMAND_SETSENSORFPS;
|
| 2697 |
|
|
|
| 2698 |
|
|
cam->params.flickerControl.coarseJump =
|
| 2699 |
|
|
flicker_jumps[cam->mainsFreq]
|
| 2700 |
|
|
[cam->params.sensorFps.baserate]
|
| 2701 |
|
|
[cam->params.sensorFps.divisor];
|
| 2702 |
|
|
cam->cmd_queue |= COMMAND_SETFLICKERCTRL;
|
| 2703 |
|
|
|
| 2704 |
|
|
new_exposure = cam->params.flickerControl.coarseJump-1;
|
| 2705 |
|
|
while(new_exposure < 2*old_exposure &&
|
| 2706 |
|
|
new_exposure+
|
| 2707 |
|
|
cam->params.flickerControl.coarseJump < max_exp)
|
| 2708 |
|
|
new_exposure += cam->params.flickerControl.coarseJump;
|
| 2709 |
|
|
cam->params.exposure.coarseExpLo = new_exposure & 0xff;
|
| 2710 |
|
|
cam->params.exposure.coarseExpHi = new_exposure >> 8;
|
| 2711 |
|
|
cam->cmd_queue |= COMMAND_SETEXPOSURE;
|
| 2712 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 2713 |
|
|
LOG("Automatically increasing sensor_fps\n");
|
| 2714 |
|
|
}
|
| 2715 |
|
|
} else {
|
| 2716 |
|
|
/* Flicker control off */
|
| 2717 |
|
|
if((cam->exposure_status == EXPOSURE_VERY_DARK ||
|
| 2718 |
|
|
cam->exposure_status == EXPOSURE_DARK) &&
|
| 2719 |
|
|
cam->exposure_count >= DARK_TIME*framerate &&
|
| 2720 |
|
|
cam->params.sensorFps.divisor < 3) {
|
| 2721 |
|
|
|
| 2722 |
|
|
/* dark for too long */
|
| 2723 |
|
|
++cam->params.sensorFps.divisor;
|
| 2724 |
|
|
cam->cmd_queue |= COMMAND_SETSENSORFPS;
|
| 2725 |
|
|
|
| 2726 |
|
|
if(cam->params.exposure.gain > 0) {
|
| 2727 |
|
|
--cam->params.exposure.gain;
|
| 2728 |
|
|
cam->cmd_queue |= COMMAND_SETEXPOSURE;
|
| 2729 |
|
|
}
|
| 2730 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 2731 |
|
|
LOG("Automatically decreasing sensor_fps\n");
|
| 2732 |
|
|
|
| 2733 |
|
|
} else if((cam->exposure_status == EXPOSURE_VERY_LIGHT ||
|
| 2734 |
|
|
cam->exposure_status == EXPOSURE_LIGHT) &&
|
| 2735 |
|
|
cam->exposure_count >= LIGHT_TIME*framerate &&
|
| 2736 |
|
|
cam->params.sensorFps.divisor > 0) {
|
| 2737 |
|
|
|
| 2738 |
|
|
/* light for too long */
|
| 2739 |
|
|
--cam->params.sensorFps.divisor;
|
| 2740 |
|
|
cam->cmd_queue |= COMMAND_SETSENSORFPS;
|
| 2741 |
|
|
|
| 2742 |
|
|
if(cam->params.exposure.gain <
|
| 2743 |
|
|
cam->params.exposure.gainMode-1) {
|
| 2744 |
|
|
++cam->params.exposure.gain;
|
| 2745 |
|
|
cam->cmd_queue |= COMMAND_SETEXPOSURE;
|
| 2746 |
|
|
}
|
| 2747 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 2748 |
|
|
LOG("Automatically increasing sensor_fps\n");
|
| 2749 |
|
|
}
|
| 2750 |
|
|
}
|
| 2751 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2752 |
|
|
}
|
| 2753 |
|
|
|
| 2754 |
|
|
/*-----------------------------------------------------------------*/
|
| 2755 |
|
|
/* if flicker is switched off, this function switches it back on.It checks,
|
| 2756 |
|
|
however, that conditions are suitable before restarting it.
|
| 2757 |
|
|
This should only be called for firmware version 1.2.
|
| 2758 |
|
|
|
| 2759 |
|
|
It also adjust the colour balance when an exposure step is detected - as
|
| 2760 |
|
|
long as flicker is running
|
| 2761 |
|
|
*/
|
| 2762 |
|
|
static void restart_flicker(struct cam_data *cam)
|
| 2763 |
|
|
{
|
| 2764 |
|
|
int cam_exposure, old_exp;
|
| 2765 |
|
|
if(!FIRMWARE_VERSION(1,2))
|
| 2766 |
|
|
return;
|
| 2767 |
|
|
mutex_lock(&cam->param_lock);
|
| 2768 |
|
|
if(cam->params.flickerControl.flickerMode == 0 ||
|
| 2769 |
|
|
cam->raw_image[39] == 0) {
|
| 2770 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2771 |
|
|
return;
|
| 2772 |
|
|
}
|
| 2773 |
|
|
cam_exposure = cam->raw_image[39]*2;
|
| 2774 |
|
|
old_exp = cam->params.exposure.coarseExpLo +
|
| 2775 |
|
|
cam->params.exposure.coarseExpHi*256;
|
| 2776 |
|
|
/*
|
| 2777 |
|
|
see how far away camera exposure is from a valid
|
| 2778 |
|
|
flicker exposure value
|
| 2779 |
|
|
*/
|
| 2780 |
|
|
cam_exposure %= cam->params.flickerControl.coarseJump;
|
| 2781 |
|
|
if(!cam->params.flickerControl.disabled &&
|
| 2782 |
|
|
cam_exposure <= cam->params.flickerControl.coarseJump - 3) {
|
| 2783 |
|
|
/* Flicker control auto-disabled */
|
| 2784 |
|
|
cam->params.flickerControl.disabled = 1;
|
| 2785 |
|
|
}
|
| 2786 |
|
|
|
| 2787 |
|
|
if(cam->params.flickerControl.disabled &&
|
| 2788 |
|
|
cam->params.flickerControl.flickerMode &&
|
| 2789 |
|
|
old_exp > cam->params.flickerControl.coarseJump +
|
| 2790 |
|
|
ROUND_UP_EXP_FOR_FLICKER) {
|
| 2791 |
|
|
/* exposure is now high enough to switch
|
| 2792 |
|
|
flicker control back on */
|
| 2793 |
|
|
set_flicker(&cam->params, &cam->cmd_queue, 1);
|
| 2794 |
|
|
if((cam->cmd_queue & COMMAND_SETEXPOSURE) &&
|
| 2795 |
|
|
cam->params.exposure.expMode == 2)
|
| 2796 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 2797 |
|
|
|
| 2798 |
|
|
}
|
| 2799 |
|
|
mutex_unlock(&cam->param_lock);
|
| 2800 |
|
|
}
|
| 2801 |
|
|
#undef FIRMWARE_VERSION
|
| 2802 |
|
|
|
| 2803 |
|
|
static int clear_stall(struct cam_data *cam)
|
| 2804 |
|
|
{
|
| 2805 |
|
|
/* FIXME: Does this actually work? */
|
| 2806 |
|
|
LOG("Clearing stall\n");
|
| 2807 |
|
|
|
| 2808 |
|
|
cam->ops->streamRead(cam->lowlevel_data, cam->raw_image, 0);
|
| 2809 |
|
|
do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0);
|
| 2810 |
|
|
return cam->params.status.streamState != STREAM_PAUSED;
|
| 2811 |
|
|
}
|
| 2812 |
|
|
|
| 2813 |
|
|
/* kernel thread function to read image from camera */
|
| 2814 |
|
|
static int fetch_frame(void *data)
|
| 2815 |
|
|
{
|
| 2816 |
|
|
int image_size, retry;
|
| 2817 |
|
|
struct cam_data *cam = (struct cam_data *)data;
|
| 2818 |
|
|
unsigned long oldjif, rate, diff;
|
| 2819 |
|
|
|
| 2820 |
|
|
/* Allow up to two bad images in a row to be read and
|
| 2821 |
|
|
* ignored before an error is reported */
|
| 2822 |
|
|
for (retry = 0; retry < 3; ++retry) {
|
| 2823 |
|
|
if (retry)
|
| 2824 |
|
|
DBG("retry=%d\n", retry);
|
| 2825 |
|
|
|
| 2826 |
|
|
if (!cam->ops)
|
| 2827 |
|
|
continue;
|
| 2828 |
|
|
|
| 2829 |
|
|
/* load first frame always uncompressed */
|
| 2830 |
|
|
if (cam->first_frame &&
|
| 2831 |
|
|
cam->params.compression.mode != CPIA_COMPRESSION_NONE) {
|
| 2832 |
|
|
do_command(cam, CPIA_COMMAND_SetCompression,
|
| 2833 |
|
|
CPIA_COMPRESSION_NONE,
|
| 2834 |
|
|
NO_DECIMATION, 0, 0);
|
| 2835 |
|
|
/* Trial & error - Discarding a frame prevents the
|
| 2836 |
|
|
first frame from having an error in the data. */
|
| 2837 |
|
|
do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0);
|
| 2838 |
|
|
}
|
| 2839 |
|
|
|
| 2840 |
|
|
/* init camera upload */
|
| 2841 |
|
|
if (do_command(cam, CPIA_COMMAND_GrabFrame, 0,
|
| 2842 |
|
|
cam->params.streamStartLine, 0, 0))
|
| 2843 |
|
|
continue;
|
| 2844 |
|
|
|
| 2845 |
|
|
if (cam->ops->wait_for_stream_ready) {
|
| 2846 |
|
|
/* loop until image ready */
|
| 2847 |
|
|
int count = 0;
|
| 2848 |
|
|
do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0);
|
| 2849 |
|
|
while (cam->params.status.streamState != STREAM_READY) {
|
| 2850 |
|
|
if(++count > READY_TIMEOUT)
|
| 2851 |
|
|
break;
|
| 2852 |
|
|
if(cam->params.status.streamState ==
|
| 2853 |
|
|
STREAM_PAUSED) {
|
| 2854 |
|
|
/* Bad news */
|
| 2855 |
|
|
if(!clear_stall(cam))
|
| 2856 |
|
|
return -EIO;
|
| 2857 |
|
|
}
|
| 2858 |
|
|
|
| 2859 |
|
|
cond_resched();
|
| 2860 |
|
|
|
| 2861 |
|
|
/* sleep for 10 ms, hopefully ;) */
|
| 2862 |
|
|
msleep_interruptible(10);
|
| 2863 |
|
|
if (signal_pending(current))
|
| 2864 |
|
|
return -EINTR;
|
| 2865 |
|
|
|
| 2866 |
|
|
do_command(cam, CPIA_COMMAND_GetCameraStatus,
|
| 2867 |
|
|
0, 0, 0, 0);
|
| 2868 |
|
|
}
|
| 2869 |
|
|
if(cam->params.status.streamState != STREAM_READY) {
|
| 2870 |
|
|
continue;
|
| 2871 |
|
|
}
|
| 2872 |
|
|
}
|
| 2873 |
|
|
|
| 2874 |
|
|
cond_resched();
|
| 2875 |
|
|
|
| 2876 |
|
|
/* grab image from camera */
|
| 2877 |
|
|
oldjif = jiffies;
|
| 2878 |
|
|
image_size = cam->ops->streamRead(cam->lowlevel_data,
|
| 2879 |
|
|
cam->raw_image, 0);
|
| 2880 |
|
|
if (image_size <= 0) {
|
| 2881 |
|
|
DBG("streamRead failed: %d\n", image_size);
|
| 2882 |
|
|
continue;
|
| 2883 |
|
|
}
|
| 2884 |
|
|
|
| 2885 |
|
|
rate = image_size * HZ / 1024;
|
| 2886 |
|
|
diff = jiffies-oldjif;
|
| 2887 |
|
|
cam->transfer_rate = diff==0 ? rate : rate/diff;
|
| 2888 |
|
|
/* diff==0 ? unlikely but possible */
|
| 2889 |
|
|
|
| 2890 |
|
|
/* Switch flicker control back on if it got turned off */
|
| 2891 |
|
|
restart_flicker(cam);
|
| 2892 |
|
|
|
| 2893 |
|
|
/* If AEC is enabled, monitor the exposure and
|
| 2894 |
|
|
adjust the sensor frame rate if needed */
|
| 2895 |
|
|
if(cam->params.exposure.expMode == 2)
|
| 2896 |
|
|
monitor_exposure(cam);
|
| 2897 |
|
|
|
| 2898 |
|
|
/* camera idle now so dispatch queued commands */
|
| 2899 |
|
|
dispatch_commands(cam);
|
| 2900 |
|
|
|
| 2901 |
|
|
/* Update our knowledge of the camera state */
|
| 2902 |
|
|
do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0);
|
| 2903 |
|
|
do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0);
|
| 2904 |
|
|
do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0);
|
| 2905 |
|
|
|
| 2906 |
|
|
/* decompress and convert image to by copying it from
|
| 2907 |
|
|
* raw_image to decompressed_frame
|
| 2908 |
|
|
*/
|
| 2909 |
|
|
|
| 2910 |
|
|
cond_resched();
|
| 2911 |
|
|
|
| 2912 |
|
|
cam->image_size = parse_picture(cam, image_size);
|
| 2913 |
|
|
if (cam->image_size <= 0) {
|
| 2914 |
|
|
DBG("parse_picture failed %d\n", cam->image_size);
|
| 2915 |
|
|
if(cam->params.compression.mode !=
|
| 2916 |
|
|
CPIA_COMPRESSION_NONE) {
|
| 2917 |
|
|
/* Compression may not work right if we
|
| 2918 |
|
|
had a bad frame, get the next one
|
| 2919 |
|
|
uncompressed. */
|
| 2920 |
|
|
cam->first_frame = 1;
|
| 2921 |
|
|
do_command(cam, CPIA_COMMAND_SetGrabMode,
|
| 2922 |
|
|
CPIA_GRAB_SINGLE, 0, 0, 0);
|
| 2923 |
|
|
/* FIXME: Trial & error - need up to 70ms for
|
| 2924 |
|
|
the grab mode change to complete ? */
|
| 2925 |
|
|
msleep_interruptible(70);
|
| 2926 |
|
|
if (signal_pending(current))
|
| 2927 |
|
|
return -EINTR;
|
| 2928 |
|
|
}
|
| 2929 |
|
|
} else
|
| 2930 |
|
|
break;
|
| 2931 |
|
|
}
|
| 2932 |
|
|
|
| 2933 |
|
|
if (retry < 3) {
|
| 2934 |
|
|
/* FIXME: this only works for double buffering */
|
| 2935 |
|
|
if (cam->frame[cam->curframe].state == FRAME_READY) {
|
| 2936 |
|
|
memcpy(cam->frame[cam->curframe].data,
|
| 2937 |
|
|
cam->decompressed_frame.data,
|
| 2938 |
|
|
cam->decompressed_frame.count);
|
| 2939 |
|
|
cam->frame[cam->curframe].state = FRAME_DONE;
|
| 2940 |
|
|
} else
|
| 2941 |
|
|
cam->decompressed_frame.state = FRAME_DONE;
|
| 2942 |
|
|
|
| 2943 |
|
|
if (cam->first_frame) {
|
| 2944 |
|
|
cam->first_frame = 0;
|
| 2945 |
|
|
do_command(cam, CPIA_COMMAND_SetCompression,
|
| 2946 |
|
|
cam->params.compression.mode,
|
| 2947 |
|
|
cam->params.compression.decimation, 0, 0);
|
| 2948 |
|
|
|
| 2949 |
|
|
/* Switch from single-grab to continuous grab */
|
| 2950 |
|
|
do_command(cam, CPIA_COMMAND_SetGrabMode,
|
| 2951 |
|
|
CPIA_GRAB_CONTINUOUS, 0, 0, 0);
|
| 2952 |
|
|
}
|
| 2953 |
|
|
return 0;
|
| 2954 |
|
|
}
|
| 2955 |
|
|
return -EIO;
|
| 2956 |
|
|
}
|
| 2957 |
|
|
|
| 2958 |
|
|
static int capture_frame(struct cam_data *cam, struct video_mmap *vm)
|
| 2959 |
|
|
{
|
| 2960 |
|
|
if (!cam->frame_buf) {
|
| 2961 |
|
|
/* we do lazy allocation */
|
| 2962 |
|
|
int err;
|
| 2963 |
|
|
if ((err = allocate_frame_buf(cam)))
|
| 2964 |
|
|
return err;
|
| 2965 |
|
|
}
|
| 2966 |
|
|
|
| 2967 |
|
|
cam->curframe = vm->frame;
|
| 2968 |
|
|
cam->frame[cam->curframe].state = FRAME_READY;
|
| 2969 |
|
|
return fetch_frame(cam);
|
| 2970 |
|
|
}
|
| 2971 |
|
|
|
| 2972 |
|
|
static int goto_high_power(struct cam_data *cam)
|
| 2973 |
|
|
{
|
| 2974 |
|
|
if (do_command(cam, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0))
|
| 2975 |
|
|
return -EIO;
|
| 2976 |
|
|
msleep_interruptible(40); /* windows driver does it too */
|
| 2977 |
|
|
if(signal_pending(current))
|
| 2978 |
|
|
return -EINTR;
|
| 2979 |
|
|
if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0))
|
| 2980 |
|
|
return -EIO;
|
| 2981 |
|
|
if (cam->params.status.systemState == HI_POWER_STATE) {
|
| 2982 |
|
|
DBG("camera now in HIGH power state\n");
|
| 2983 |
|
|
return 0;
|
| 2984 |
|
|
}
|
| 2985 |
|
|
printstatus(cam);
|
| 2986 |
|
|
return -EIO;
|
| 2987 |
|
|
}
|
| 2988 |
|
|
|
| 2989 |
|
|
static int goto_low_power(struct cam_data *cam)
|
| 2990 |
|
|
{
|
| 2991 |
|
|
if (do_command(cam, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0))
|
| 2992 |
|
|
return -1;
|
| 2993 |
|
|
if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0))
|
| 2994 |
|
|
return -1;
|
| 2995 |
|
|
if (cam->params.status.systemState == LO_POWER_STATE) {
|
| 2996 |
|
|
DBG("camera now in LOW power state\n");
|
| 2997 |
|
|
return 0;
|
| 2998 |
|
|
}
|
| 2999 |
|
|
printstatus(cam);
|
| 3000 |
|
|
return -1;
|
| 3001 |
|
|
}
|
| 3002 |
|
|
|
| 3003 |
|
|
static void save_camera_state(struct cam_data *cam)
|
| 3004 |
|
|
{
|
| 3005 |
|
|
if(!(cam->cmd_queue & COMMAND_SETCOLOURBALANCE))
|
| 3006 |
|
|
do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0);
|
| 3007 |
|
|
if(!(cam->cmd_queue & COMMAND_SETEXPOSURE))
|
| 3008 |
|
|
do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0);
|
| 3009 |
|
|
|
| 3010 |
|
|
DBG("%d/%d/%d/%d/%d/%d/%d/%d\n",
|
| 3011 |
|
|
cam->params.exposure.gain,
|
| 3012 |
|
|
cam->params.exposure.fineExp,
|
| 3013 |
|
|
cam->params.exposure.coarseExpLo,
|
| 3014 |
|
|
cam->params.exposure.coarseExpHi,
|
| 3015 |
|
|
cam->params.exposure.redComp,
|
| 3016 |
|
|
cam->params.exposure.green1Comp,
|
| 3017 |
|
|
cam->params.exposure.green2Comp,
|
| 3018 |
|
|
cam->params.exposure.blueComp);
|
| 3019 |
|
|
DBG("%d/%d/%d\n",
|
| 3020 |
|
|
cam->params.colourBalance.redGain,
|
| 3021 |
|
|
cam->params.colourBalance.greenGain,
|
| 3022 |
|
|
cam->params.colourBalance.blueGain);
|
| 3023 |
|
|
}
|
| 3024 |
|
|
|
| 3025 |
|
|
static int set_camera_state(struct cam_data *cam)
|
| 3026 |
|
|
{
|
| 3027 |
|
|
cam->cmd_queue = COMMAND_SETCOMPRESSION |
|
| 3028 |
|
|
COMMAND_SETCOMPRESSIONTARGET |
|
| 3029 |
|
|
COMMAND_SETCOLOURPARAMS |
|
| 3030 |
|
|
COMMAND_SETFORMAT |
|
| 3031 |
|
|
COMMAND_SETYUVTHRESH |
|
| 3032 |
|
|
COMMAND_SETECPTIMING |
|
| 3033 |
|
|
COMMAND_SETCOMPRESSIONPARAMS |
|
| 3034 |
|
|
COMMAND_SETEXPOSURE |
|
| 3035 |
|
|
COMMAND_SETCOLOURBALANCE |
|
| 3036 |
|
|
COMMAND_SETSENSORFPS |
|
| 3037 |
|
|
COMMAND_SETAPCOR |
|
| 3038 |
|
|
COMMAND_SETFLICKERCTRL |
|
| 3039 |
|
|
COMMAND_SETVLOFFSET;
|
| 3040 |
|
|
|
| 3041 |
|
|
do_command(cam, CPIA_COMMAND_SetGrabMode, CPIA_GRAB_SINGLE,0,0,0);
|
| 3042 |
|
|
dispatch_commands(cam);
|
| 3043 |
|
|
|
| 3044 |
|
|
/* Wait 6 frames for the sensor to get all settings and
|
| 3045 |
|
|
AEC/ACB to settle */
|
| 3046 |
|
|
msleep_interruptible(6*(cam->params.sensorFps.baserate ? 33 : 40) *
|
| 3047 |
|
|
(1 << cam->params.sensorFps.divisor) + 10);
|
| 3048 |
|
|
|
| 3049 |
|
|
if(signal_pending(current))
|
| 3050 |
|
|
return -EINTR;
|
| 3051 |
|
|
|
| 3052 |
|
|
save_camera_state(cam);
|
| 3053 |
|
|
|
| 3054 |
|
|
return 0;
|
| 3055 |
|
|
}
|
| 3056 |
|
|
|
| 3057 |
|
|
static void get_version_information(struct cam_data *cam)
|
| 3058 |
|
|
{
|
| 3059 |
|
|
/* GetCPIAVersion */
|
| 3060 |
|
|
do_command(cam, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0);
|
| 3061 |
|
|
|
| 3062 |
|
|
/* GetPnPID */
|
| 3063 |
|
|
do_command(cam, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0);
|
| 3064 |
|
|
}
|
| 3065 |
|
|
|
| 3066 |
|
|
/* initialize camera */
|
| 3067 |
|
|
static int reset_camera(struct cam_data *cam)
|
| 3068 |
|
|
{
|
| 3069 |
|
|
int err;
|
| 3070 |
|
|
/* Start the camera in low power mode */
|
| 3071 |
|
|
if (goto_low_power(cam)) {
|
| 3072 |
|
|
if (cam->params.status.systemState != WARM_BOOT_STATE)
|
| 3073 |
|
|
return -ENODEV;
|
| 3074 |
|
|
|
| 3075 |
|
|
/* FIXME: this is just dirty trial and error */
|
| 3076 |
|
|
err = goto_high_power(cam);
|
| 3077 |
|
|
if(err)
|
| 3078 |
|
|
return err;
|
| 3079 |
|
|
do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0);
|
| 3080 |
|
|
if (goto_low_power(cam))
|
| 3081 |
|
|
return -ENODEV;
|
| 3082 |
|
|
}
|
| 3083 |
|
|
|
| 3084 |
|
|
/* procedure described in developer's guide p3-28 */
|
| 3085 |
|
|
|
| 3086 |
|
|
/* Check the firmware version. */
|
| 3087 |
|
|
cam->params.version.firmwareVersion = 0;
|
| 3088 |
|
|
get_version_information(cam);
|
| 3089 |
|
|
if (cam->params.version.firmwareVersion != 1)
|
| 3090 |
|
|
return -ENODEV;
|
| 3091 |
|
|
|
| 3092 |
|
|
/* A bug in firmware 1-02 limits gainMode to 2 */
|
| 3093 |
|
|
if(cam->params.version.firmwareRevision <= 2 &&
|
| 3094 |
|
|
cam->params.exposure.gainMode > 2) {
|
| 3095 |
|
|
cam->params.exposure.gainMode = 2;
|
| 3096 |
|
|
}
|
| 3097 |
|
|
|
| 3098 |
|
|
/* set QX3 detected flag */
|
| 3099 |
|
|
cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 &&
|
| 3100 |
|
|
cam->params.pnpID.product == 0x0001);
|
| 3101 |
|
|
|
| 3102 |
|
|
/* The fatal error checking should be done after
|
| 3103 |
|
|
* the camera powers up (developer's guide p 3-38) */
|
| 3104 |
|
|
|
| 3105 |
|
|
/* Set streamState before transition to high power to avoid bug
|
| 3106 |
|
|
* in firmware 1-02 */
|
| 3107 |
|
|
do_command(cam, CPIA_COMMAND_ModifyCameraStatus, STREAMSTATE, 0,
|
| 3108 |
|
|
STREAM_NOT_READY, 0);
|
| 3109 |
|
|
|
| 3110 |
|
|
/* GotoHiPower */
|
| 3111 |
|
|
err = goto_high_power(cam);
|
| 3112 |
|
|
if (err)
|
| 3113 |
|
|
return err;
|
| 3114 |
|
|
|
| 3115 |
|
|
/* Check the camera status */
|
| 3116 |
|
|
if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0))
|
| 3117 |
|
|
return -EIO;
|
| 3118 |
|
|
|
| 3119 |
|
|
if (cam->params.status.fatalError) {
|
| 3120 |
|
|
DBG("fatal_error: %#04x\n",
|
| 3121 |
|
|
cam->params.status.fatalError);
|
| 3122 |
|
|
DBG("vp_status: %#04x\n",
|
| 3123 |
|
|
cam->params.status.vpStatus);
|
| 3124 |
|
|
if (cam->params.status.fatalError & ~(COM_FLAG|CPIA_FLAG)) {
|
| 3125 |
|
|
/* Fatal error in camera */
|
| 3126 |
|
|
return -EIO;
|
| 3127 |
|
|
} else if (cam->params.status.fatalError & (COM_FLAG|CPIA_FLAG)) {
|
| 3128 |
|
|
/* Firmware 1-02 may do this for parallel port cameras,
|
| 3129 |
|
|
* just clear the flags (developer's guide p 3-38) */
|
| 3130 |
|
|
do_command(cam, CPIA_COMMAND_ModifyCameraStatus,
|
| 3131 |
|
|
FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0);
|
| 3132 |
|
|
}
|
| 3133 |
|
|
}
|
| 3134 |
|
|
|
| 3135 |
|
|
/* Check the camera status again */
|
| 3136 |
|
|
if (cam->params.status.fatalError) {
|
| 3137 |
|
|
if (cam->params.status.fatalError)
|
| 3138 |
|
|
return -EIO;
|
| 3139 |
|
|
}
|
| 3140 |
|
|
|
| 3141 |
|
|
/* VPVersion can't be retrieved before the camera is in HiPower,
|
| 3142 |
|
|
* so get it here instead of in get_version_information. */
|
| 3143 |
|
|
do_command(cam, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0);
|
| 3144 |
|
|
|
| 3145 |
|
|
/* set camera to a known state */
|
| 3146 |
|
|
return set_camera_state(cam);
|
| 3147 |
|
|
}
|
| 3148 |
|
|
|
| 3149 |
|
|
static void put_cam(struct cpia_camera_ops* ops)
|
| 3150 |
|
|
{
|
| 3151 |
|
|
module_put(ops->owner);
|
| 3152 |
|
|
}
|
| 3153 |
|
|
|
| 3154 |
|
|
/* ------------------------- V4L interface --------------------- */
|
| 3155 |
|
|
static int cpia_open(struct inode *inode, struct file *file)
|
| 3156 |
|
|
{
|
| 3157 |
|
|
struct video_device *dev = video_devdata(file);
|
| 3158 |
|
|
struct cam_data *cam = dev->priv;
|
| 3159 |
|
|
int err;
|
| 3160 |
|
|
|
| 3161 |
|
|
if (!cam) {
|
| 3162 |
|
|
DBG("Internal error, cam_data not found!\n");
|
| 3163 |
|
|
return -ENODEV;
|
| 3164 |
|
|
}
|
| 3165 |
|
|
|
| 3166 |
|
|
if (cam->open_count > 0) {
|
| 3167 |
|
|
DBG("Camera already open\n");
|
| 3168 |
|
|
return -EBUSY;
|
| 3169 |
|
|
}
|
| 3170 |
|
|
|
| 3171 |
|
|
if (!try_module_get(cam->ops->owner))
|
| 3172 |
|
|
return -ENODEV;
|
| 3173 |
|
|
|
| 3174 |
|
|
mutex_lock(&cam->busy_lock);
|
| 3175 |
|
|
err = -ENOMEM;
|
| 3176 |
|
|
if (!cam->raw_image) {
|
| 3177 |
|
|
cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE);
|
| 3178 |
|
|
if (!cam->raw_image)
|
| 3179 |
|
|
goto oops;
|
| 3180 |
|
|
}
|
| 3181 |
|
|
|
| 3182 |
|
|
if (!cam->decompressed_frame.data) {
|
| 3183 |
|
|
cam->decompressed_frame.data = rvmalloc(CPIA_MAX_FRAME_SIZE);
|
| 3184 |
|
|
if (!cam->decompressed_frame.data)
|
| 3185 |
|
|
goto oops;
|
| 3186 |
|
|
}
|
| 3187 |
|
|
|
| 3188 |
|
|
/* open cpia */
|
| 3189 |
|
|
err = -ENODEV;
|
| 3190 |
|
|
if (cam->ops->open(cam->lowlevel_data))
|
| 3191 |
|
|
goto oops;
|
| 3192 |
|
|
|
| 3193 |
|
|
/* reset the camera */
|
| 3194 |
|
|
if ((err = reset_camera(cam)) != 0) {
|
| 3195 |
|
|
cam->ops->close(cam->lowlevel_data);
|
| 3196 |
|
|
goto oops;
|
| 3197 |
|
|
}
|
| 3198 |
|
|
|
| 3199 |
|
|
err = -EINTR;
|
| 3200 |
|
|
if(signal_pending(current))
|
| 3201 |
|
|
goto oops;
|
| 3202 |
|
|
|
| 3203 |
|
|
/* Set ownership of /proc/cpia/videoX to current user */
|
| 3204 |
|
|
if(cam->proc_entry)
|
| 3205 |
|
|
cam->proc_entry->uid = current->uid;
|
| 3206 |
|
|
|
| 3207 |
|
|
/* set mark for loading first frame uncompressed */
|
| 3208 |
|
|
cam->first_frame = 1;
|
| 3209 |
|
|
|
| 3210 |
|
|
/* init it to something */
|
| 3211 |
|
|
cam->mmap_kludge = 0;
|
| 3212 |
|
|
|
| 3213 |
|
|
++cam->open_count;
|
| 3214 |
|
|
file->private_data = dev;
|
| 3215 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3216 |
|
|
return 0;
|
| 3217 |
|
|
|
| 3218 |
|
|
oops:
|
| 3219 |
|
|
if (cam->decompressed_frame.data) {
|
| 3220 |
|
|
rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE);
|
| 3221 |
|
|
cam->decompressed_frame.data = NULL;
|
| 3222 |
|
|
}
|
| 3223 |
|
|
if (cam->raw_image) {
|
| 3224 |
|
|
rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE);
|
| 3225 |
|
|
cam->raw_image = NULL;
|
| 3226 |
|
|
}
|
| 3227 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3228 |
|
|
put_cam(cam->ops);
|
| 3229 |
|
|
return err;
|
| 3230 |
|
|
}
|
| 3231 |
|
|
|
| 3232 |
|
|
static int cpia_close(struct inode *inode, struct file *file)
|
| 3233 |
|
|
{
|
| 3234 |
|
|
struct video_device *dev = file->private_data;
|
| 3235 |
|
|
struct cam_data *cam = dev->priv;
|
| 3236 |
|
|
|
| 3237 |
|
|
if (cam->ops) {
|
| 3238 |
|
|
/* Return ownership of /proc/cpia/videoX to root */
|
| 3239 |
|
|
if(cam->proc_entry)
|
| 3240 |
|
|
cam->proc_entry->uid = 0;
|
| 3241 |
|
|
|
| 3242 |
|
|
/* save camera state for later open (developers guide ch 3.5.3) */
|
| 3243 |
|
|
save_camera_state(cam);
|
| 3244 |
|
|
|
| 3245 |
|
|
/* GotoLoPower */
|
| 3246 |
|
|
goto_low_power(cam);
|
| 3247 |
|
|
|
| 3248 |
|
|
/* Update the camera status */
|
| 3249 |
|
|
do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0);
|
| 3250 |
|
|
|
| 3251 |
|
|
/* cleanup internal state stuff */
|
| 3252 |
|
|
free_frames(cam->frame);
|
| 3253 |
|
|
|
| 3254 |
|
|
/* close cpia */
|
| 3255 |
|
|
cam->ops->close(cam->lowlevel_data);
|
| 3256 |
|
|
|
| 3257 |
|
|
put_cam(cam->ops);
|
| 3258 |
|
|
}
|
| 3259 |
|
|
|
| 3260 |
|
|
if (--cam->open_count == 0) {
|
| 3261 |
|
|
/* clean up capture-buffers */
|
| 3262 |
|
|
if (cam->raw_image) {
|
| 3263 |
|
|
rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE);
|
| 3264 |
|
|
cam->raw_image = NULL;
|
| 3265 |
|
|
}
|
| 3266 |
|
|
|
| 3267 |
|
|
if (cam->decompressed_frame.data) {
|
| 3268 |
|
|
rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE);
|
| 3269 |
|
|
cam->decompressed_frame.data = NULL;
|
| 3270 |
|
|
}
|
| 3271 |
|
|
|
| 3272 |
|
|
if (cam->frame_buf)
|
| 3273 |
|
|
free_frame_buf(cam);
|
| 3274 |
|
|
|
| 3275 |
|
|
if (!cam->ops)
|
| 3276 |
|
|
kfree(cam);
|
| 3277 |
|
|
}
|
| 3278 |
|
|
file->private_data = NULL;
|
| 3279 |
|
|
|
| 3280 |
|
|
return 0;
|
| 3281 |
|
|
}
|
| 3282 |
|
|
|
| 3283 |
|
|
static ssize_t cpia_read(struct file *file, char __user *buf,
|
| 3284 |
|
|
size_t count, loff_t *ppos)
|
| 3285 |
|
|
{
|
| 3286 |
|
|
struct video_device *dev = file->private_data;
|
| 3287 |
|
|
struct cam_data *cam = dev->priv;
|
| 3288 |
|
|
int err;
|
| 3289 |
|
|
|
| 3290 |
|
|
/* make this _really_ smp and multithread-safe */
|
| 3291 |
|
|
if (mutex_lock_interruptible(&cam->busy_lock))
|
| 3292 |
|
|
return -EINTR;
|
| 3293 |
|
|
|
| 3294 |
|
|
if (!buf) {
|
| 3295 |
|
|
DBG("buf NULL\n");
|
| 3296 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3297 |
|
|
return -EINVAL;
|
| 3298 |
|
|
}
|
| 3299 |
|
|
|
| 3300 |
|
|
if (!count) {
|
| 3301 |
|
|
DBG("count 0\n");
|
| 3302 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3303 |
|
|
return 0;
|
| 3304 |
|
|
}
|
| 3305 |
|
|
|
| 3306 |
|
|
if (!cam->ops) {
|
| 3307 |
|
|
DBG("ops NULL\n");
|
| 3308 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3309 |
|
|
return -ENODEV;
|
| 3310 |
|
|
}
|
| 3311 |
|
|
|
| 3312 |
|
|
/* upload frame */
|
| 3313 |
|
|
cam->decompressed_frame.state = FRAME_READY;
|
| 3314 |
|
|
cam->mmap_kludge=0;
|
| 3315 |
|
|
if((err = fetch_frame(cam)) != 0) {
|
| 3316 |
|
|
DBG("ERROR from fetch_frame: %d\n", err);
|
| 3317 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3318 |
|
|
return err;
|
| 3319 |
|
|
}
|
| 3320 |
|
|
cam->decompressed_frame.state = FRAME_UNUSED;
|
| 3321 |
|
|
|
| 3322 |
|
|
/* copy data to user space */
|
| 3323 |
|
|
if (cam->decompressed_frame.count > count) {
|
| 3324 |
|
|
DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count,
|
| 3325 |
|
|
(unsigned long) count);
|
| 3326 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3327 |
|
|
return -EFAULT;
|
| 3328 |
|
|
}
|
| 3329 |
|
|
if (copy_to_user(buf, cam->decompressed_frame.data,
|
| 3330 |
|
|
cam->decompressed_frame.count)) {
|
| 3331 |
|
|
DBG("copy_to_user failed\n");
|
| 3332 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3333 |
|
|
return -EFAULT;
|
| 3334 |
|
|
}
|
| 3335 |
|
|
|
| 3336 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3337 |
|
|
return cam->decompressed_frame.count;
|
| 3338 |
|
|
}
|
| 3339 |
|
|
|
| 3340 |
|
|
static int cpia_do_ioctl(struct inode *inode, struct file *file,
|
| 3341 |
|
|
unsigned int ioctlnr, void *arg)
|
| 3342 |
|
|
{
|
| 3343 |
|
|
struct video_device *dev = file->private_data;
|
| 3344 |
|
|
struct cam_data *cam = dev->priv;
|
| 3345 |
|
|
int retval = 0;
|
| 3346 |
|
|
|
| 3347 |
|
|
if (!cam || !cam->ops)
|
| 3348 |
|
|
return -ENODEV;
|
| 3349 |
|
|
|
| 3350 |
|
|
/* make this _really_ smp-safe */
|
| 3351 |
|
|
if (mutex_lock_interruptible(&cam->busy_lock))
|
| 3352 |
|
|
return -EINTR;
|
| 3353 |
|
|
|
| 3354 |
|
|
//DBG("cpia_ioctl: %u\n", ioctlnr);
|
| 3355 |
|
|
|
| 3356 |
|
|
switch (ioctlnr) {
|
| 3357 |
|
|
/* query capabilities */
|
| 3358 |
|
|
case VIDIOCGCAP:
|
| 3359 |
|
|
{
|
| 3360 |
|
|
struct video_capability *b = arg;
|
| 3361 |
|
|
|
| 3362 |
|
|
DBG("VIDIOCGCAP\n");
|
| 3363 |
|
|
strcpy(b->name, "CPiA Camera");
|
| 3364 |
|
|
b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE;
|
| 3365 |
|
|
b->channels = 1;
|
| 3366 |
|
|
b->audios = 0;
|
| 3367 |
|
|
b->maxwidth = 352; /* VIDEOSIZE_CIF */
|
| 3368 |
|
|
b->maxheight = 288;
|
| 3369 |
|
|
b->minwidth = 48; /* VIDEOSIZE_48_48 */
|
| 3370 |
|
|
b->minheight = 48;
|
| 3371 |
|
|
break;
|
| 3372 |
|
|
}
|
| 3373 |
|
|
|
| 3374 |
|
|
/* get/set video source - we are a camera and nothing else */
|
| 3375 |
|
|
case VIDIOCGCHAN:
|
| 3376 |
|
|
{
|
| 3377 |
|
|
struct video_channel *v = arg;
|
| 3378 |
|
|
|
| 3379 |
|
|
DBG("VIDIOCGCHAN\n");
|
| 3380 |
|
|
if (v->channel != 0) {
|
| 3381 |
|
|
retval = -EINVAL;
|
| 3382 |
|
|
break;
|
| 3383 |
|
|
}
|
| 3384 |
|
|
|
| 3385 |
|
|
v->channel = 0;
|
| 3386 |
|
|
strcpy(v->name, "Camera");
|
| 3387 |
|
|
v->tuners = 0;
|
| 3388 |
|
|
v->flags = 0;
|
| 3389 |
|
|
v->type = VIDEO_TYPE_CAMERA;
|
| 3390 |
|
|
v->norm = 0;
|
| 3391 |
|
|
break;
|
| 3392 |
|
|
}
|
| 3393 |
|
|
|
| 3394 |
|
|
case VIDIOCSCHAN:
|
| 3395 |
|
|
{
|
| 3396 |
|
|
struct video_channel *v = arg;
|
| 3397 |
|
|
|
| 3398 |
|
|
DBG("VIDIOCSCHAN\n");
|
| 3399 |
|
|
if (v->channel != 0)
|
| 3400 |
|
|
retval = -EINVAL;
|
| 3401 |
|
|
break;
|
| 3402 |
|
|
}
|
| 3403 |
|
|
|
| 3404 |
|
|
/* image properties */
|
| 3405 |
|
|
case VIDIOCGPICT:
|
| 3406 |
|
|
{
|
| 3407 |
|
|
struct video_picture *pic = arg;
|
| 3408 |
|
|
DBG("VIDIOCGPICT\n");
|
| 3409 |
|
|
*pic = cam->vp;
|
| 3410 |
|
|
break;
|
| 3411 |
|
|
}
|
| 3412 |
|
|
|
| 3413 |
|
|
case VIDIOCSPICT:
|
| 3414 |
|
|
{
|
| 3415 |
|
|
struct video_picture *vp = arg;
|
| 3416 |
|
|
|
| 3417 |
|
|
DBG("VIDIOCSPICT\n");
|
| 3418 |
|
|
|
| 3419 |
|
|
/* check validity */
|
| 3420 |
|
|
DBG("palette: %d\n", vp->palette);
|
| 3421 |
|
|
DBG("depth: %d\n", vp->depth);
|
| 3422 |
|
|
if (!valid_mode(vp->palette, vp->depth)) {
|
| 3423 |
|
|
retval = -EINVAL;
|
| 3424 |
|
|
break;
|
| 3425 |
|
|
}
|
| 3426 |
|
|
|
| 3427 |
|
|
mutex_lock(&cam->param_lock);
|
| 3428 |
|
|
/* brightness, colour, contrast need no check 0-65535 */
|
| 3429 |
|
|
cam->vp = *vp;
|
| 3430 |
|
|
/* update cam->params.colourParams */
|
| 3431 |
|
|
cam->params.colourParams.brightness = vp->brightness*100/65535;
|
| 3432 |
|
|
cam->params.colourParams.contrast = vp->contrast*100/65535;
|
| 3433 |
|
|
cam->params.colourParams.saturation = vp->colour*100/65535;
|
| 3434 |
|
|
/* contrast is in steps of 8, so round */
|
| 3435 |
|
|
cam->params.colourParams.contrast =
|
| 3436 |
|
|
((cam->params.colourParams.contrast + 3) / 8) * 8;
|
| 3437 |
|
|
if (cam->params.version.firmwareVersion == 1 &&
|
| 3438 |
|
|
cam->params.version.firmwareRevision == 2 &&
|
| 3439 |
|
|
cam->params.colourParams.contrast > 80) {
|
| 3440 |
|
|
/* 1-02 firmware limits contrast to 80 */
|
| 3441 |
|
|
cam->params.colourParams.contrast = 80;
|
| 3442 |
|
|
}
|
| 3443 |
|
|
|
| 3444 |
|
|
/* Adjust flicker control if necessary */
|
| 3445 |
|
|
if(cam->params.flickerControl.allowableOverExposure < 0)
|
| 3446 |
|
|
cam->params.flickerControl.allowableOverExposure =
|
| 3447 |
|
|
-find_over_exposure(cam->params.colourParams.brightness);
|
| 3448 |
|
|
if(cam->params.flickerControl.flickerMode != 0)
|
| 3449 |
|
|
cam->cmd_queue |= COMMAND_SETFLICKERCTRL;
|
| 3450 |
|
|
|
| 3451 |
|
|
|
| 3452 |
|
|
/* queue command to update camera */
|
| 3453 |
|
|
cam->cmd_queue |= COMMAND_SETCOLOURPARAMS;
|
| 3454 |
|
|
mutex_unlock(&cam->param_lock);
|
| 3455 |
|
|
DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n",
|
| 3456 |
|
|
vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour,
|
| 3457 |
|
|
vp->contrast);
|
| 3458 |
|
|
break;
|
| 3459 |
|
|
}
|
| 3460 |
|
|
|
| 3461 |
|
|
/* get/set capture window */
|
| 3462 |
|
|
case VIDIOCGWIN:
|
| 3463 |
|
|
{
|
| 3464 |
|
|
struct video_window *vw = arg;
|
| 3465 |
|
|
DBG("VIDIOCGWIN\n");
|
| 3466 |
|
|
|
| 3467 |
|
|
*vw = cam->vw;
|
| 3468 |
|
|
break;
|
| 3469 |
|
|
}
|
| 3470 |
|
|
|
| 3471 |
|
|
case VIDIOCSWIN:
|
| 3472 |
|
|
{
|
| 3473 |
|
|
/* copy_from_user, check validity, copy to internal structure */
|
| 3474 |
|
|
struct video_window *vw = arg;
|
| 3475 |
|
|
DBG("VIDIOCSWIN\n");
|
| 3476 |
|
|
|
| 3477 |
|
|
if (vw->clipcount != 0) { /* clipping not supported */
|
| 3478 |
|
|
retval = -EINVAL;
|
| 3479 |
|
|
break;
|
| 3480 |
|
|
}
|
| 3481 |
|
|
if (vw->clips != NULL) { /* clipping not supported */
|
| 3482 |
|
|
retval = -EINVAL;
|
| 3483 |
|
|
break;
|
| 3484 |
|
|
}
|
| 3485 |
|
|
|
| 3486 |
|
|
/* we set the video window to something smaller or equal to what
|
| 3487 |
|
|
* is requested by the user???
|
| 3488 |
|
|
*/
|
| 3489 |
|
|
mutex_lock(&cam->param_lock);
|
| 3490 |
|
|
if (vw->width != cam->vw.width || vw->height != cam->vw.height) {
|
| 3491 |
|
|
int video_size = match_videosize(vw->width, vw->height);
|
| 3492 |
|
|
|
| 3493 |
|
|
if (video_size < 0) {
|
| 3494 |
|
|
retval = -EINVAL;
|
| 3495 |
|
|
mutex_unlock(&cam->param_lock);
|
| 3496 |
|
|
break;
|
| 3497 |
|
|
}
|
| 3498 |
|
|
cam->video_size = video_size;
|
| 3499 |
|
|
|
| 3500 |
|
|
/* video size is changing, reset the subcapture area */
|
| 3501 |
|
|
memset(&cam->vc, 0, sizeof(cam->vc));
|
| 3502 |
|
|
|
| 3503 |
|
|
set_vw_size(cam);
|
| 3504 |
|
|
DBG("%d / %d\n", cam->vw.width, cam->vw.height);
|
| 3505 |
|
|
cam->cmd_queue |= COMMAND_SETFORMAT;
|
| 3506 |
|
|
}
|
| 3507 |
|
|
|
| 3508 |
|
|
mutex_unlock(&cam->param_lock);
|
| 3509 |
|
|
|
| 3510 |
|
|
/* setformat ignored by camera during streaming,
|
| 3511 |
|
|
* so stop/dispatch/start */
|
| 3512 |
|
|
if (cam->cmd_queue & COMMAND_SETFORMAT) {
|
| 3513 |
|
|
DBG("\n");
|
| 3514 |
|
|
dispatch_commands(cam);
|
| 3515 |
|
|
}
|
| 3516 |
|
|
DBG("%d/%d:%d\n", cam->video_size,
|
| 3517 |
|
|
cam->vw.width, cam->vw.height);
|
| 3518 |
|
|
break;
|
| 3519 |
|
|
}
|
| 3520 |
|
|
|
| 3521 |
|
|
/* mmap interface */
|
| 3522 |
|
|
case VIDIOCGMBUF:
|
| 3523 |
|
|
{
|
| 3524 |
|
|
struct video_mbuf *vm = arg;
|
| 3525 |
|
|
int i;
|
| 3526 |
|
|
|
| 3527 |
|
|
DBG("VIDIOCGMBUF\n");
|
| 3528 |
|
|
memset(vm, 0, sizeof(*vm));
|
| 3529 |
|
|
vm->size = CPIA_MAX_FRAME_SIZE*FRAME_NUM;
|
| 3530 |
|
|
vm->frames = FRAME_NUM;
|
| 3531 |
|
|
for (i = 0; i < FRAME_NUM; i++)
|
| 3532 |
|
|
vm->offsets[i] = CPIA_MAX_FRAME_SIZE * i;
|
| 3533 |
|
|
break;
|
| 3534 |
|
|
}
|
| 3535 |
|
|
|
| 3536 |
|
|
case VIDIOCMCAPTURE:
|
| 3537 |
|
|
{
|
| 3538 |
|
|
struct video_mmap *vm = arg;
|
| 3539 |
|
|
int video_size;
|
| 3540 |
|
|
|
| 3541 |
|
|
DBG("VIDIOCMCAPTURE: %d / %d / %dx%d\n", vm->format, vm->frame,
|
| 3542 |
|
|
vm->width, vm->height);
|
| 3543 |
|
|
if (vm->frame<0||vm->frame>=FRAME_NUM) {
|
| 3544 |
|
|
retval = -EINVAL;
|
| 3545 |
|
|
break;
|
| 3546 |
|
|
}
|
| 3547 |
|
|
|
| 3548 |
|
|
/* set video format */
|
| 3549 |
|
|
cam->vp.palette = vm->format;
|
| 3550 |
|
|
switch(vm->format) {
|
| 3551 |
|
|
case VIDEO_PALETTE_GREY:
|
| 3552 |
|
|
cam->vp.depth=8;
|
| 3553 |
|
|
break;
|
| 3554 |
|
|
case VIDEO_PALETTE_RGB555:
|
| 3555 |
|
|
case VIDEO_PALETTE_RGB565:
|
| 3556 |
|
|
case VIDEO_PALETTE_YUV422:
|
| 3557 |
|
|
case VIDEO_PALETTE_YUYV:
|
| 3558 |
|
|
case VIDEO_PALETTE_UYVY:
|
| 3559 |
|
|
cam->vp.depth = 16;
|
| 3560 |
|
|
break;
|
| 3561 |
|
|
case VIDEO_PALETTE_RGB24:
|
| 3562 |
|
|
cam->vp.depth = 24;
|
| 3563 |
|
|
break;
|
| 3564 |
|
|
case VIDEO_PALETTE_RGB32:
|
| 3565 |
|
|
cam->vp.depth = 32;
|
| 3566 |
|
|
break;
|
| 3567 |
|
|
default:
|
| 3568 |
|
|
retval = -EINVAL;
|
| 3569 |
|
|
break;
|
| 3570 |
|
|
}
|
| 3571 |
|
|
if (retval)
|
| 3572 |
|
|
break;
|
| 3573 |
|
|
|
| 3574 |
|
|
/* set video size */
|
| 3575 |
|
|
video_size = match_videosize(vm->width, vm->height);
|
| 3576 |
|
|
if (video_size < 0) {
|
| 3577 |
|
|
retval = -EINVAL;
|
| 3578 |
|
|
break;
|
| 3579 |
|
|
}
|
| 3580 |
|
|
if (video_size != cam->video_size) {
|
| 3581 |
|
|
cam->video_size = video_size;
|
| 3582 |
|
|
|
| 3583 |
|
|
/* video size is changing, reset the subcapture area */
|
| 3584 |
|
|
memset(&cam->vc, 0, sizeof(cam->vc));
|
| 3585 |
|
|
|
| 3586 |
|
|
set_vw_size(cam);
|
| 3587 |
|
|
cam->cmd_queue |= COMMAND_SETFORMAT;
|
| 3588 |
|
|
dispatch_commands(cam);
|
| 3589 |
|
|
}
|
| 3590 |
|
|
/* according to v4l-spec we must start streaming here */
|
| 3591 |
|
|
cam->mmap_kludge = 1;
|
| 3592 |
|
|
retval = capture_frame(cam, vm);
|
| 3593 |
|
|
|
| 3594 |
|
|
break;
|
| 3595 |
|
|
}
|
| 3596 |
|
|
|
| 3597 |
|
|
case VIDIOCSYNC:
|
| 3598 |
|
|
{
|
| 3599 |
|
|
int *frame = arg;
|
| 3600 |
|
|
|
| 3601 |
|
|
//DBG("VIDIOCSYNC: %d\n", *frame);
|
| 3602 |
|
|
|
| 3603 |
|
|
if (*frame<0 || *frame >= FRAME_NUM) {
|
| 3604 |
|
|
retval = -EINVAL;
|
| 3605 |
|
|
break;
|
| 3606 |
|
|
}
|
| 3607 |
|
|
|
| 3608 |
|
|
switch (cam->frame[*frame].state) {
|
| 3609 |
|
|
case FRAME_UNUSED:
|
| 3610 |
|
|
case FRAME_READY:
|
| 3611 |
|
|
case FRAME_GRABBING:
|
| 3612 |
|
|
DBG("sync to unused frame %d\n", *frame);
|
| 3613 |
|
|
retval = -EINVAL;
|
| 3614 |
|
|
break;
|
| 3615 |
|
|
|
| 3616 |
|
|
case FRAME_DONE:
|
| 3617 |
|
|
cam->frame[*frame].state = FRAME_UNUSED;
|
| 3618 |
|
|
//DBG("VIDIOCSYNC: %d synced\n", *frame);
|
| 3619 |
|
|
break;
|
| 3620 |
|
|
}
|
| 3621 |
|
|
if (retval == -EINTR) {
|
| 3622 |
|
|
/* FIXME - xawtv does not handle this nice */
|
| 3623 |
|
|
retval = 0;
|
| 3624 |
|
|
}
|
| 3625 |
|
|
break;
|
| 3626 |
|
|
}
|
| 3627 |
|
|
|
| 3628 |
|
|
case VIDIOCGCAPTURE:
|
| 3629 |
|
|
{
|
| 3630 |
|
|
struct video_capture *vc = arg;
|
| 3631 |
|
|
|
| 3632 |
|
|
DBG("VIDIOCGCAPTURE\n");
|
| 3633 |
|
|
|
| 3634 |
|
|
*vc = cam->vc;
|
| 3635 |
|
|
|
| 3636 |
|
|
break;
|
| 3637 |
|
|
}
|
| 3638 |
|
|
|
| 3639 |
|
|
case VIDIOCSCAPTURE:
|
| 3640 |
|
|
{
|
| 3641 |
|
|
struct video_capture *vc = arg;
|
| 3642 |
|
|
|
| 3643 |
|
|
DBG("VIDIOCSCAPTURE\n");
|
| 3644 |
|
|
|
| 3645 |
|
|
if (vc->decimation != 0) { /* How should this be used? */
|
| 3646 |
|
|
retval = -EINVAL;
|
| 3647 |
|
|
break;
|
| 3648 |
|
|
}
|
| 3649 |
|
|
if (vc->flags != 0) { /* Even/odd grab not supported */
|
| 3650 |
|
|
retval = -EINVAL;
|
| 3651 |
|
|
break;
|
| 3652 |
|
|
}
|
| 3653 |
|
|
|
| 3654 |
|
|
/* Clip to the resolution we can set for the ROI
|
| 3655 |
|
|
(every 8 columns and 4 rows) */
|
| 3656 |
|
|
vc->x = vc->x & ~(__u32)7;
|
| 3657 |
|
|
vc->y = vc->y & ~(__u32)3;
|
| 3658 |
|
|
vc->width = vc->width & ~(__u32)7;
|
| 3659 |
|
|
vc->height = vc->height & ~(__u32)3;
|
| 3660 |
|
|
|
| 3661 |
|
|
if(vc->width == 0 || vc->height == 0 ||
|
| 3662 |
|
|
vc->x + vc->width > cam->vw.width ||
|
| 3663 |
|
|
vc->y + vc->height > cam->vw.height) {
|
| 3664 |
|
|
retval = -EINVAL;
|
| 3665 |
|
|
break;
|
| 3666 |
|
|
}
|
| 3667 |
|
|
|
| 3668 |
|
|
DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height);
|
| 3669 |
|
|
|
| 3670 |
|
|
mutex_lock(&cam->param_lock);
|
| 3671 |
|
|
|
| 3672 |
|
|
cam->vc.x = vc->x;
|
| 3673 |
|
|
cam->vc.y = vc->y;
|
| 3674 |
|
|
cam->vc.width = vc->width;
|
| 3675 |
|
|
cam->vc.height = vc->height;
|
| 3676 |
|
|
|
| 3677 |
|
|
set_vw_size(cam);
|
| 3678 |
|
|
cam->cmd_queue |= COMMAND_SETFORMAT;
|
| 3679 |
|
|
|
| 3680 |
|
|
mutex_unlock(&cam->param_lock);
|
| 3681 |
|
|
|
| 3682 |
|
|
/* setformat ignored by camera during streaming,
|
| 3683 |
|
|
* so stop/dispatch/start */
|
| 3684 |
|
|
dispatch_commands(cam);
|
| 3685 |
|
|
break;
|
| 3686 |
|
|
}
|
| 3687 |
|
|
|
| 3688 |
|
|
case VIDIOCGUNIT:
|
| 3689 |
|
|
{
|
| 3690 |
|
|
struct video_unit *vu = arg;
|
| 3691 |
|
|
|
| 3692 |
|
|
DBG("VIDIOCGUNIT\n");
|
| 3693 |
|
|
|
| 3694 |
|
|
vu->video = cam->vdev.minor;
|
| 3695 |
|
|
vu->vbi = VIDEO_NO_UNIT;
|
| 3696 |
|
|
vu->radio = VIDEO_NO_UNIT;
|
| 3697 |
|
|
vu->audio = VIDEO_NO_UNIT;
|
| 3698 |
|
|
vu->teletext = VIDEO_NO_UNIT;
|
| 3699 |
|
|
|
| 3700 |
|
|
break;
|
| 3701 |
|
|
}
|
| 3702 |
|
|
|
| 3703 |
|
|
|
| 3704 |
|
|
/* pointless to implement overlay with this camera */
|
| 3705 |
|
|
case VIDIOCCAPTURE:
|
| 3706 |
|
|
case VIDIOCGFBUF:
|
| 3707 |
|
|
case VIDIOCSFBUF:
|
| 3708 |
|
|
case VIDIOCKEY:
|
| 3709 |
|
|
/* tuner interface - we have none */
|
| 3710 |
|
|
case VIDIOCGTUNER:
|
| 3711 |
|
|
case VIDIOCSTUNER:
|
| 3712 |
|
|
case VIDIOCGFREQ:
|
| 3713 |
|
|
case VIDIOCSFREQ:
|
| 3714 |
|
|
/* audio interface - we have none */
|
| 3715 |
|
|
case VIDIOCGAUDIO:
|
| 3716 |
|
|
case VIDIOCSAUDIO:
|
| 3717 |
|
|
retval = -EINVAL;
|
| 3718 |
|
|
break;
|
| 3719 |
|
|
default:
|
| 3720 |
|
|
retval = -ENOIOCTLCMD;
|
| 3721 |
|
|
break;
|
| 3722 |
|
|
}
|
| 3723 |
|
|
|
| 3724 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3725 |
|
|
return retval;
|
| 3726 |
|
|
}
|
| 3727 |
|
|
|
| 3728 |
|
|
static int cpia_ioctl(struct inode *inode, struct file *file,
|
| 3729 |
|
|
unsigned int cmd, unsigned long arg)
|
| 3730 |
|
|
{
|
| 3731 |
|
|
return video_usercopy(inode, file, cmd, arg, cpia_do_ioctl);
|
| 3732 |
|
|
}
|
| 3733 |
|
|
|
| 3734 |
|
|
|
| 3735 |
|
|
/* FIXME */
|
| 3736 |
|
|
static int cpia_mmap(struct file *file, struct vm_area_struct *vma)
|
| 3737 |
|
|
{
|
| 3738 |
|
|
struct video_device *dev = file->private_data;
|
| 3739 |
|
|
unsigned long start = vma->vm_start;
|
| 3740 |
|
|
unsigned long size = vma->vm_end - vma->vm_start;
|
| 3741 |
|
|
unsigned long page, pos;
|
| 3742 |
|
|
struct cam_data *cam = dev->priv;
|
| 3743 |
|
|
int retval;
|
| 3744 |
|
|
|
| 3745 |
|
|
if (!cam || !cam->ops)
|
| 3746 |
|
|
return -ENODEV;
|
| 3747 |
|
|
|
| 3748 |
|
|
DBG("cpia_mmap: %ld\n", size);
|
| 3749 |
|
|
|
| 3750 |
|
|
if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE)
|
| 3751 |
|
|
return -EINVAL;
|
| 3752 |
|
|
|
| 3753 |
|
|
if (!cam || !cam->ops)
|
| 3754 |
|
|
return -ENODEV;
|
| 3755 |
|
|
|
| 3756 |
|
|
/* make this _really_ smp-safe */
|
| 3757 |
|
|
if (mutex_lock_interruptible(&cam->busy_lock))
|
| 3758 |
|
|
return -EINTR;
|
| 3759 |
|
|
|
| 3760 |
|
|
if (!cam->frame_buf) { /* we do lazy allocation */
|
| 3761 |
|
|
if ((retval = allocate_frame_buf(cam))) {
|
| 3762 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3763 |
|
|
return retval;
|
| 3764 |
|
|
}
|
| 3765 |
|
|
}
|
| 3766 |
|
|
|
| 3767 |
|
|
pos = (unsigned long)(cam->frame_buf);
|
| 3768 |
|
|
while (size > 0) {
|
| 3769 |
|
|
page = vmalloc_to_pfn((void *)pos);
|
| 3770 |
|
|
if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
|
| 3771 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3772 |
|
|
return -EAGAIN;
|
| 3773 |
|
|
}
|
| 3774 |
|
|
start += PAGE_SIZE;
|
| 3775 |
|
|
pos += PAGE_SIZE;
|
| 3776 |
|
|
if (size > PAGE_SIZE)
|
| 3777 |
|
|
size -= PAGE_SIZE;
|
| 3778 |
|
|
else
|
| 3779 |
|
|
size = 0;
|
| 3780 |
|
|
}
|
| 3781 |
|
|
|
| 3782 |
|
|
DBG("cpia_mmap: %ld\n", size);
|
| 3783 |
|
|
mutex_unlock(&cam->busy_lock);
|
| 3784 |
|
|
|
| 3785 |
|
|
return 0;
|
| 3786 |
|
|
}
|
| 3787 |
|
|
|
| 3788 |
|
|
static const struct file_operations cpia_fops = {
|
| 3789 |
|
|
.owner = THIS_MODULE,
|
| 3790 |
|
|
.open = cpia_open,
|
| 3791 |
|
|
.release = cpia_close,
|
| 3792 |
|
|
.read = cpia_read,
|
| 3793 |
|
|
.mmap = cpia_mmap,
|
| 3794 |
|
|
.ioctl = cpia_ioctl,
|
| 3795 |
|
|
.compat_ioctl = v4l_compat_ioctl32,
|
| 3796 |
|
|
.llseek = no_llseek,
|
| 3797 |
|
|
};
|
| 3798 |
|
|
|
| 3799 |
|
|
static struct video_device cpia_template = {
|
| 3800 |
|
|
.owner = THIS_MODULE,
|
| 3801 |
|
|
.name = "CPiA Camera",
|
| 3802 |
|
|
.type = VID_TYPE_CAPTURE,
|
| 3803 |
|
|
.fops = &cpia_fops,
|
| 3804 |
|
|
};
|
| 3805 |
|
|
|
| 3806 |
|
|
/* initialise cam_data structure */
|
| 3807 |
|
|
static void reset_camera_struct(struct cam_data *cam)
|
| 3808 |
|
|
{
|
| 3809 |
|
|
/* The following parameter values are the defaults from
|
| 3810 |
|
|
* "Software Developer's Guide for CPiA Cameras". Any changes
|
| 3811 |
|
|
* to the defaults are noted in comments. */
|
| 3812 |
|
|
cam->params.colourParams.brightness = 50;
|
| 3813 |
|
|
cam->params.colourParams.contrast = 48;
|
| 3814 |
|
|
cam->params.colourParams.saturation = 50;
|
| 3815 |
|
|
cam->params.exposure.gainMode = 4;
|
| 3816 |
|
|
cam->params.exposure.expMode = 2; /* AEC */
|
| 3817 |
|
|
cam->params.exposure.compMode = 1;
|
| 3818 |
|
|
cam->params.exposure.centreWeight = 1;
|
| 3819 |
|
|
cam->params.exposure.gain = 0;
|
| 3820 |
|
|
cam->params.exposure.fineExp = 0;
|
| 3821 |
|
|
cam->params.exposure.coarseExpLo = 185;
|
| 3822 |
|
|
cam->params.exposure.coarseExpHi = 0;
|
| 3823 |
|
|
cam->params.exposure.redComp = COMP_RED;
|
| 3824 |
|
|
cam->params.exposure.green1Comp = COMP_GREEN1;
|
| 3825 |
|
|
cam->params.exposure.green2Comp = COMP_GREEN2;
|
| 3826 |
|
|
cam->params.exposure.blueComp = COMP_BLUE;
|
| 3827 |
|
|
cam->params.colourBalance.balanceMode = 2; /* ACB */
|
| 3828 |
|
|
cam->params.colourBalance.redGain = 32;
|
| 3829 |
|
|
cam->params.colourBalance.greenGain = 6;
|
| 3830 |
|
|
cam->params.colourBalance.blueGain = 92;
|
| 3831 |
|
|
cam->params.apcor.gain1 = 0x18;
|
| 3832 |
|
|
cam->params.apcor.gain2 = 0x16;
|
| 3833 |
|
|
cam->params.apcor.gain4 = 0x24;
|
| 3834 |
|
|
cam->params.apcor.gain8 = 0x34;
|
| 3835 |
|
|
cam->params.flickerControl.flickerMode = 0;
|
| 3836 |
|
|
cam->params.flickerControl.disabled = 1;
|
| 3837 |
|
|
|
| 3838 |
|
|
cam->params.flickerControl.coarseJump =
|
| 3839 |
|
|
flicker_jumps[cam->mainsFreq]
|
| 3840 |
|
|
[cam->params.sensorFps.baserate]
|
| 3841 |
|
|
[cam->params.sensorFps.divisor];
|
| 3842 |
|
|
cam->params.flickerControl.allowableOverExposure =
|
| 3843 |
|
|
-find_over_exposure(cam->params.colourParams.brightness);
|
| 3844 |
|
|
cam->params.vlOffset.gain1 = 20;
|
| 3845 |
|
|
cam->params.vlOffset.gain2 = 24;
|
| 3846 |
|
|
cam->params.vlOffset.gain4 = 26;
|
| 3847 |
|
|
cam->params.vlOffset.gain8 = 26;
|
| 3848 |
|
|
cam->params.compressionParams.hysteresis = 3;
|
| 3849 |
|
|
cam->params.compressionParams.threshMax = 11;
|
| 3850 |
|
|
cam->params.compressionParams.smallStep = 1;
|
| 3851 |
|
|
cam->params.compressionParams.largeStep = 3;
|
| 3852 |
|
|
cam->params.compressionParams.decimationHysteresis = 2;
|
| 3853 |
|
|
cam->params.compressionParams.frDiffStepThresh = 5;
|
| 3854 |
|
|
cam->params.compressionParams.qDiffStepThresh = 3;
|
| 3855 |
|
|
cam->params.compressionParams.decimationThreshMod = 2;
|
| 3856 |
|
|
/* End of default values from Software Developer's Guide */
|
| 3857 |
|
|
|
| 3858 |
|
|
cam->transfer_rate = 0;
|
| 3859 |
|
|
cam->exposure_status = EXPOSURE_NORMAL;
|
| 3860 |
|
|
|
| 3861 |
|
|
/* Set Sensor FPS to 15fps. This seems better than 30fps
|
| 3862 |
|
|
* for indoor lighting. */
|
| 3863 |
|
|
cam->params.sensorFps.divisor = 1;
|
| 3864 |
|
|
cam->params.sensorFps.baserate = 1;
|
| 3865 |
|
|
|
| 3866 |
|
|
cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */
|
| 3867 |
|
|
cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */
|
| 3868 |
|
|
|
| 3869 |
|
|
cam->params.format.subSample = SUBSAMPLE_422;
|
| 3870 |
|
|
cam->params.format.yuvOrder = YUVORDER_YUYV;
|
| 3871 |
|
|
|
| 3872 |
|
|
cam->params.compression.mode = CPIA_COMPRESSION_AUTO;
|
| 3873 |
|
|
cam->params.compressionTarget.frTargeting =
|
| 3874 |
|
|
CPIA_COMPRESSION_TARGET_QUALITY;
|
| 3875 |
|
|
cam->params.compressionTarget.targetFR = 15; /* From windows driver */
|
| 3876 |
|
|
cam->params.compressionTarget.targetQ = 5; /* From windows driver */
|
| 3877 |
|
|
|
| 3878 |
|
|
cam->params.qx3.qx3_detected = 0;
|
| 3879 |
|
|
cam->params.qx3.toplight = 0;
|
| 3880 |
|
|
cam->params.qx3.bottomlight = 0;
|
| 3881 |
|
|
cam->params.qx3.button = 0;
|
| 3882 |
|
|
cam->params.qx3.cradled = 0;
|
| 3883 |
|
|
|
| 3884 |
|
|
cam->video_size = VIDEOSIZE_CIF;
|
| 3885 |
|
|
|
| 3886 |
|
|
cam->vp.colour = 32768; /* 50% */
|
| 3887 |
|
|
cam->vp.hue = 32768; /* 50% */
|
| 3888 |
|
|
cam->vp.brightness = 32768; /* 50% */
|
| 3889 |
|
|
cam->vp.contrast = 32768; /* 50% */
|
| 3890 |
|
|
cam->vp.whiteness = 0; /* not used -> grayscale only */
|
| 3891 |
|
|
cam->vp.depth = 24; /* to be set by user */
|
| 3892 |
|
|
cam->vp.palette = VIDEO_PALETTE_RGB24; /* to be set by user */
|
| 3893 |
|
|
|
| 3894 |
|
|
cam->vc.x = 0;
|
| 3895 |
|
|
cam->vc.y = 0;
|
| 3896 |
|
|
cam->vc.width = 0;
|
| 3897 |
|
|
cam->vc.height = 0;
|
| 3898 |
|
|
|
| 3899 |
|
|
cam->vw.x = 0;
|
| 3900 |
|
|
cam->vw.y = 0;
|
| 3901 |
|
|
set_vw_size(cam);
|
| 3902 |
|
|
cam->vw.chromakey = 0;
|
| 3903 |
|
|
cam->vw.flags = 0;
|
| 3904 |
|
|
cam->vw.clipcount = 0;
|
| 3905 |
|
|
cam->vw.clips = NULL;
|
| 3906 |
|
|
|
| 3907 |
|
|
cam->cmd_queue = COMMAND_NONE;
|
| 3908 |
|
|
cam->first_frame = 1;
|
| 3909 |
|
|
|
| 3910 |
|
|
return;
|
| 3911 |
|
|
}
|
| 3912 |
|
|
|
| 3913 |
|
|
/* initialize cam_data structure */
|
| 3914 |
|
|
static void init_camera_struct(struct cam_data *cam,
|
| 3915 |
|
|
struct cpia_camera_ops *ops )
|
| 3916 |
|
|
{
|
| 3917 |
|
|
int i;
|
| 3918 |
|
|
|
| 3919 |
|
|
/* Default everything to 0 */
|
| 3920 |
|
|
memset(cam, 0, sizeof(struct cam_data));
|
| 3921 |
|
|
|
| 3922 |
|
|
cam->ops = ops;
|
| 3923 |
|
|
mutex_init(&cam->param_lock);
|
| 3924 |
|
|
mutex_init(&cam->busy_lock);
|
| 3925 |
|
|
|
| 3926 |
|
|
reset_camera_struct(cam);
|
| 3927 |
|
|
|
| 3928 |
|
|
cam->proc_entry = NULL;
|
| 3929 |
|
|
|
| 3930 |
|
|
memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template));
|
| 3931 |
|
|
cam->vdev.priv = cam;
|
| 3932 |
|
|
|
| 3933 |
|
|
cam->curframe = 0;
|
| 3934 |
|
|
for (i = 0; i < FRAME_NUM; i++) {
|
| 3935 |
|
|
cam->frame[i].width = 0;
|
| 3936 |
|
|
cam->frame[i].height = 0;
|
| 3937 |
|
|
cam->frame[i].state = FRAME_UNUSED;
|
| 3938 |
|
|
cam->frame[i].data = NULL;
|
| 3939 |
|
|
}
|
| 3940 |
|
|
cam->decompressed_frame.width = 0;
|
| 3941 |
|
|
cam->decompressed_frame.height = 0;
|
| 3942 |
|
|
cam->decompressed_frame.state = FRAME_UNUSED;
|
| 3943 |
|
|
cam->decompressed_frame.data = NULL;
|
| 3944 |
|
|
}
|
| 3945 |
|
|
|
| 3946 |
|
|
struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel)
|
| 3947 |
|
|
{
|
| 3948 |
|
|
struct cam_data *camera;
|
| 3949 |
|
|
|
| 3950 |
|
|
if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL)
|
| 3951 |
|
|
return NULL;
|
| 3952 |
|
|
|
| 3953 |
|
|
|
| 3954 |
|
|
init_camera_struct( camera, ops );
|
| 3955 |
|
|
camera->lowlevel_data = lowlevel;
|
| 3956 |
|
|
|
| 3957 |
|
|
/* register v4l device */
|
| 3958 |
|
|
if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
|
| 3959 |
|
|
kfree(camera);
|
| 3960 |
|
|
printk(KERN_DEBUG "video_register_device failed\n");
|
| 3961 |
|
|
return NULL;
|
| 3962 |
|
|
}
|
| 3963 |
|
|
|
| 3964 |
|
|
/* get version information from camera: open/reset/close */
|
| 3965 |
|
|
|
| 3966 |
|
|
/* open cpia */
|
| 3967 |
|
|
if (camera->ops->open(camera->lowlevel_data))
|
| 3968 |
|
|
return camera;
|
| 3969 |
|
|
|
| 3970 |
|
|
/* reset the camera */
|
| 3971 |
|
|
if (reset_camera(camera) != 0) {
|
| 3972 |
|
|
camera->ops->close(camera->lowlevel_data);
|
| 3973 |
|
|
return camera;
|
| 3974 |
|
|
}
|
| 3975 |
|
|
|
| 3976 |
|
|
/* close cpia */
|
| 3977 |
|
|
camera->ops->close(camera->lowlevel_data);
|
| 3978 |
|
|
|
| 3979 |
|
|
#ifdef CONFIG_PROC_FS
|
| 3980 |
|
|
create_proc_cpia_cam(camera);
|
| 3981 |
|
|
#endif
|
| 3982 |
|
|
|
| 3983 |
|
|
printk(KERN_INFO " CPiA Version: %d.%02d (%d.%d)\n",
|
| 3984 |
|
|
camera->params.version.firmwareVersion,
|
| 3985 |
|
|
camera->params.version.firmwareRevision,
|
| 3986 |
|
|
camera->params.version.vcVersion,
|
| 3987 |
|
|
camera->params.version.vcRevision);
|
| 3988 |
|
|
printk(KERN_INFO " CPiA PnP-ID: %04x:%04x:%04x\n",
|
| 3989 |
|
|
camera->params.pnpID.vendor,
|
| 3990 |
|
|
camera->params.pnpID.product,
|
| 3991 |
|
|
camera->params.pnpID.deviceRevision);
|
| 3992 |
|
|
printk(KERN_INFO " VP-Version: %d.%d %04x\n",
|
| 3993 |
|
|
camera->params.vpVersion.vpVersion,
|
| 3994 |
|
|
camera->params.vpVersion.vpRevision,
|
| 3995 |
|
|
camera->params.vpVersion.cameraHeadID);
|
| 3996 |
|
|
|
| 3997 |
|
|
return camera;
|
| 3998 |
|
|
}
|
| 3999 |
|
|
|
| 4000 |
|
|
void cpia_unregister_camera(struct cam_data *cam)
|
| 4001 |
|
|
{
|
| 4002 |
|
|
DBG("unregistering video\n");
|
| 4003 |
|
|
video_unregister_device(&cam->vdev);
|
| 4004 |
|
|
if (cam->open_count) {
|
| 4005 |
|
|
put_cam(cam->ops);
|
| 4006 |
|
|
DBG("camera open -- setting ops to NULL\n");
|
| 4007 |
|
|
cam->ops = NULL;
|
| 4008 |
|
|
}
|
| 4009 |
|
|
|
| 4010 |
|
|
#ifdef CONFIG_PROC_FS
|
| 4011 |
|
|
DBG("destroying /proc/cpia/video%d\n", cam->vdev.minor);
|
| 4012 |
|
|
destroy_proc_cpia_cam(cam);
|
| 4013 |
|
|
#endif
|
| 4014 |
|
|
if (!cam->open_count) {
|
| 4015 |
|
|
DBG("freeing camera\n");
|
| 4016 |
|
|
kfree(cam);
|
| 4017 |
|
|
}
|
| 4018 |
|
|
}
|
| 4019 |
|
|
|
| 4020 |
|
|
static int __init cpia_init(void)
|
| 4021 |
|
|
{
|
| 4022 |
|
|
printk(KERN_INFO "%s v%d.%d.%d\n", ABOUT,
|
| 4023 |
|
|
CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER);
|
| 4024 |
|
|
|
| 4025 |
|
|
printk(KERN_WARNING "Since in-kernel colorspace conversion is not "
|
| 4026 |
|
|
"allowed, it is disabled by default now. Users should fix the "
|
| 4027 |
|
|
"applications in case they don't work without conversion "
|
| 4028 |
|
|
"reenabled by setting the 'colorspace_conv' module "
|
| 4029 |
|
|
"parameter to 1\n");
|
| 4030 |
|
|
|
| 4031 |
|
|
#ifdef CONFIG_PROC_FS
|
| 4032 |
|
|
proc_cpia_create();
|
| 4033 |
|
|
#endif
|
| 4034 |
|
|
|
| 4035 |
|
|
return 0;
|
| 4036 |
|
|
}
|
| 4037 |
|
|
|
| 4038 |
|
|
static void __exit cpia_exit(void)
|
| 4039 |
|
|
{
|
| 4040 |
|
|
#ifdef CONFIG_PROC_FS
|
| 4041 |
|
|
proc_cpia_destroy();
|
| 4042 |
|
|
#endif
|
| 4043 |
|
|
}
|
| 4044 |
|
|
|
| 4045 |
|
|
module_init(cpia_init);
|
| 4046 |
|
|
module_exit(cpia_exit);
|
| 4047 |
|
|
|
| 4048 |
|
|
/* Exported symbols for modules. */
|
| 4049 |
|
|
|
| 4050 |
|
|
EXPORT_SYMBOL(cpia_register_camera);
|
| 4051 |
|
|
EXPORT_SYMBOL(cpia_unregister_camera);
|
