Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1 | /* |
| 2 | * cpia CPiA (1) gspca driver |
| 3 | * |
Hans de Goede | 76fafe7 | 2011-02-21 11:30:30 -0300 | [diff] [blame] | 4 | * Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com> |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 5 | * |
| 6 | * This module is adapted from the in kernel v4l1 cpia driver which is : |
| 7 | * |
| 8 | * (C) Copyright 1999-2000 Peter Pregler |
| 9 | * (C) Copyright 1999-2000 Scott J. Bertin |
| 10 | * (C) Copyright 1999-2000 Johannes Erdfelt <johannes@erdfelt.com> |
| 11 | * (C) Copyright 2000 STMicroelectronics |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License as published by |
| 15 | * the Free Software Foundation; either version 2 of the License, or |
| 16 | * (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, write to the Free Software |
| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 26 | * |
| 27 | */ |
| 28 | |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 29 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 30 | |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 31 | #define MODULE_NAME "cpia1" |
| 32 | |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 33 | #include <linux/input.h> |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 34 | #include "gspca.h" |
| 35 | |
Hans de Goede | 1fddcf0 | 2010-09-05 07:06:04 -0300 | [diff] [blame] | 36 | MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 37 | MODULE_DESCRIPTION("Vision CPiA"); |
| 38 | MODULE_LICENSE("GPL"); |
| 39 | |
| 40 | /* constant value's */ |
| 41 | #define MAGIC_0 0x19 |
| 42 | #define MAGIC_1 0x68 |
Jean-François Moine | 1d00d6c | 2010-10-29 13:58:22 -0300 | [diff] [blame] | 43 | #define DATA_IN 0xc0 |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 44 | #define DATA_OUT 0x40 |
| 45 | #define VIDEOSIZE_QCIF 0 /* 176x144 */ |
| 46 | #define VIDEOSIZE_CIF 1 /* 352x288 */ |
| 47 | #define SUBSAMPLE_420 0 |
| 48 | #define SUBSAMPLE_422 1 |
| 49 | #define YUVORDER_YUYV 0 |
| 50 | #define YUVORDER_UYVY 1 |
| 51 | #define NOT_COMPRESSED 0 |
| 52 | #define COMPRESSED 1 |
| 53 | #define NO_DECIMATION 0 |
| 54 | #define DECIMATION_ENAB 1 |
| 55 | #define EOI 0xff /* End Of Image */ |
| 56 | #define EOL 0xfd /* End Of Line */ |
| 57 | #define FRAME_HEADER_SIZE 64 |
| 58 | |
| 59 | /* Image grab modes */ |
| 60 | #define CPIA_GRAB_SINGLE 0 |
| 61 | #define CPIA_GRAB_CONTINEOUS 1 |
| 62 | |
| 63 | /* Compression parameters */ |
| 64 | #define CPIA_COMPRESSION_NONE 0 |
| 65 | #define CPIA_COMPRESSION_AUTO 1 |
| 66 | #define CPIA_COMPRESSION_MANUAL 2 |
| 67 | #define CPIA_COMPRESSION_TARGET_QUALITY 0 |
| 68 | #define CPIA_COMPRESSION_TARGET_FRAMERATE 1 |
| 69 | |
| 70 | /* Return offsets for GetCameraState */ |
| 71 | #define SYSTEMSTATE 0 |
| 72 | #define GRABSTATE 1 |
| 73 | #define STREAMSTATE 2 |
| 74 | #define FATALERROR 3 |
| 75 | #define CMDERROR 4 |
| 76 | #define DEBUGFLAGS 5 |
| 77 | #define VPSTATUS 6 |
| 78 | #define ERRORCODE 7 |
| 79 | |
| 80 | /* SystemState */ |
| 81 | #define UNINITIALISED_STATE 0 |
| 82 | #define PASS_THROUGH_STATE 1 |
| 83 | #define LO_POWER_STATE 2 |
| 84 | #define HI_POWER_STATE 3 |
| 85 | #define WARM_BOOT_STATE 4 |
| 86 | |
| 87 | /* GrabState */ |
| 88 | #define GRAB_IDLE 0 |
| 89 | #define GRAB_ACTIVE 1 |
| 90 | #define GRAB_DONE 2 |
| 91 | |
| 92 | /* StreamState */ |
| 93 | #define STREAM_NOT_READY 0 |
| 94 | #define STREAM_READY 1 |
| 95 | #define STREAM_OPEN 2 |
| 96 | #define STREAM_PAUSED 3 |
| 97 | #define STREAM_FINISHED 4 |
| 98 | |
| 99 | /* Fatal Error, CmdError, and DebugFlags */ |
| 100 | #define CPIA_FLAG 1 |
| 101 | #define SYSTEM_FLAG 2 |
| 102 | #define INT_CTRL_FLAG 4 |
| 103 | #define PROCESS_FLAG 8 |
| 104 | #define COM_FLAG 16 |
| 105 | #define VP_CTRL_FLAG 32 |
| 106 | #define CAPTURE_FLAG 64 |
| 107 | #define DEBUG_FLAG 128 |
| 108 | |
| 109 | /* VPStatus */ |
| 110 | #define VP_STATE_OK 0x00 |
| 111 | |
| 112 | #define VP_STATE_FAILED_VIDEOINIT 0x01 |
| 113 | #define VP_STATE_FAILED_AECACBINIT 0x02 |
| 114 | #define VP_STATE_AEC_MAX 0x04 |
| 115 | #define VP_STATE_ACB_BMAX 0x08 |
| 116 | |
| 117 | #define VP_STATE_ACB_RMIN 0x10 |
| 118 | #define VP_STATE_ACB_GMIN 0x20 |
| 119 | #define VP_STATE_ACB_RMAX 0x40 |
| 120 | #define VP_STATE_ACB_GMAX 0x80 |
| 121 | |
| 122 | /* default (minimum) compensation values */ |
| 123 | #define COMP_RED 220 |
| 124 | #define COMP_GREEN1 214 |
| 125 | #define COMP_GREEN2 COMP_GREEN1 |
| 126 | #define COMP_BLUE 230 |
| 127 | |
| 128 | /* exposure status */ |
| 129 | #define EXPOSURE_VERY_LIGHT 0 |
| 130 | #define EXPOSURE_LIGHT 1 |
| 131 | #define EXPOSURE_NORMAL 2 |
| 132 | #define EXPOSURE_DARK 3 |
| 133 | #define EXPOSURE_VERY_DARK 4 |
| 134 | |
| 135 | #define CPIA_MODULE_CPIA (0 << 5) |
| 136 | #define CPIA_MODULE_SYSTEM (1 << 5) |
| 137 | #define CPIA_MODULE_VP_CTRL (5 << 5) |
| 138 | #define CPIA_MODULE_CAPTURE (6 << 5) |
| 139 | #define CPIA_MODULE_DEBUG (7 << 5) |
| 140 | |
| 141 | #define INPUT (DATA_IN << 8) |
| 142 | #define OUTPUT (DATA_OUT << 8) |
| 143 | |
| 144 | #define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) |
| 145 | #define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) |
| 146 | #define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) |
| 147 | #define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) |
| 148 | #define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) |
| 149 | #define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) |
| 150 | #define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) |
| 151 | #define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) |
| 152 | |
| 153 | #define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) |
| 154 | #define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) |
| 155 | #define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) |
| 156 | #define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) |
| 157 | #define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) |
| 158 | #define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) |
| 159 | #define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) |
| 160 | #define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) |
| 161 | #define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) |
| 162 | #define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) |
| 163 | #define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) |
| 164 | #define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) |
| 165 | #define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) |
| 166 | |
| 167 | #define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) |
| 168 | #define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) |
| 169 | #define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) |
| 170 | #define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) |
| 171 | #define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) |
| 172 | #define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) |
| 173 | #define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) |
| 174 | #define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) |
| 175 | #define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) |
| 176 | #define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) |
| 177 | #define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) |
| 178 | #define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) |
| 179 | #define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) |
| 180 | #define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) |
| 181 | #define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) |
| 182 | #define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) |
| 183 | #define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) |
| 184 | |
| 185 | #define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) |
| 186 | #define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) |
| 187 | #define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) |
| 188 | #define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) |
| 189 | #define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) |
| 190 | #define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) |
| 191 | #define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) |
| 192 | #define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) |
| 193 | #define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) |
| 194 | #define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) |
| 195 | #define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) |
| 196 | #define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) |
| 197 | #define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) |
| 198 | #define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) |
| 199 | #define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) |
| 200 | |
| 201 | #define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) |
| 202 | #define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) |
| 203 | #define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) |
| 204 | #define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) |
| 205 | #define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) |
| 206 | #define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) |
| 207 | #define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) |
| 208 | #define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) |
| 209 | |
| 210 | #define ROUND_UP_EXP_FOR_FLICKER 15 |
| 211 | |
| 212 | /* Constants for automatic frame rate adjustment */ |
| 213 | #define MAX_EXP 302 |
| 214 | #define MAX_EXP_102 255 |
| 215 | #define LOW_EXP 140 |
| 216 | #define VERY_LOW_EXP 70 |
| 217 | #define TC 94 |
| 218 | #define EXP_ACC_DARK 50 |
| 219 | #define EXP_ACC_LIGHT 90 |
| 220 | #define HIGH_COMP_102 160 |
| 221 | #define MAX_COMP 239 |
| 222 | #define DARK_TIME 3 |
| 223 | #define LIGHT_TIME 3 |
| 224 | |
| 225 | #define FIRMWARE_VERSION(x, y) (sd->params.version.firmwareVersion == (x) && \ |
| 226 | sd->params.version.firmwareRevision == (y)) |
| 227 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 228 | #define CPIA1_CID_COMP_TARGET (V4L2_CTRL_CLASS_USER + 0x1000) |
| 229 | #define BRIGHTNESS_DEF 50 |
| 230 | #define CONTRAST_DEF 48 |
| 231 | #define SATURATION_DEF 50 |
| 232 | #define FREQ_DEF V4L2_CID_POWER_LINE_FREQUENCY_50HZ |
| 233 | #define ILLUMINATORS_1_DEF 0 |
| 234 | #define ILLUMINATORS_2_DEF 0 |
| 235 | #define COMP_TARGET_DEF CPIA_COMPRESSION_TARGET_QUALITY |
| 236 | |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 237 | /* Developer's Guide Table 5 p 3-34 |
| 238 | * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ |
| 239 | static u8 flicker_jumps[2][2][4] = |
| 240 | { { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, |
| 241 | { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } |
| 242 | }; |
| 243 | |
| 244 | struct cam_params { |
| 245 | struct { |
| 246 | u8 firmwareVersion; |
| 247 | u8 firmwareRevision; |
| 248 | u8 vcVersion; |
| 249 | u8 vcRevision; |
| 250 | } version; |
| 251 | struct { |
| 252 | u16 vendor; |
| 253 | u16 product; |
| 254 | u16 deviceRevision; |
| 255 | } pnpID; |
| 256 | struct { |
| 257 | u8 vpVersion; |
| 258 | u8 vpRevision; |
| 259 | u16 cameraHeadID; |
| 260 | } vpVersion; |
| 261 | struct { |
| 262 | u8 systemState; |
| 263 | u8 grabState; |
| 264 | u8 streamState; |
| 265 | u8 fatalError; |
| 266 | u8 cmdError; |
| 267 | u8 debugFlags; |
| 268 | u8 vpStatus; |
| 269 | u8 errorCode; |
| 270 | } status; |
| 271 | struct { |
| 272 | u8 brightness; |
| 273 | u8 contrast; |
| 274 | u8 saturation; |
| 275 | } colourParams; |
| 276 | struct { |
| 277 | u8 gainMode; |
| 278 | u8 expMode; |
| 279 | u8 compMode; |
| 280 | u8 centreWeight; |
| 281 | u8 gain; |
| 282 | u8 fineExp; |
| 283 | u8 coarseExpLo; |
| 284 | u8 coarseExpHi; |
| 285 | u8 redComp; |
| 286 | u8 green1Comp; |
| 287 | u8 green2Comp; |
| 288 | u8 blueComp; |
| 289 | } exposure; |
| 290 | struct { |
| 291 | u8 balanceMode; |
| 292 | u8 redGain; |
| 293 | u8 greenGain; |
| 294 | u8 blueGain; |
| 295 | } colourBalance; |
| 296 | struct { |
| 297 | u8 divisor; |
| 298 | u8 baserate; |
| 299 | } sensorFps; |
| 300 | struct { |
| 301 | u8 gain1; |
| 302 | u8 gain2; |
| 303 | u8 gain4; |
| 304 | u8 gain8; |
| 305 | } apcor; |
| 306 | struct { |
| 307 | u8 disabled; |
| 308 | u8 flickerMode; |
| 309 | u8 coarseJump; |
| 310 | u8 allowableOverExposure; |
| 311 | } flickerControl; |
| 312 | struct { |
| 313 | u8 gain1; |
| 314 | u8 gain2; |
| 315 | u8 gain4; |
| 316 | u8 gain8; |
| 317 | } vlOffset; |
| 318 | struct { |
| 319 | u8 mode; |
| 320 | u8 decimation; |
| 321 | } compression; |
| 322 | struct { |
| 323 | u8 frTargeting; |
| 324 | u8 targetFR; |
| 325 | u8 targetQ; |
| 326 | } compressionTarget; |
| 327 | struct { |
| 328 | u8 yThreshold; |
| 329 | u8 uvThreshold; |
| 330 | } yuvThreshold; |
| 331 | struct { |
| 332 | u8 hysteresis; |
| 333 | u8 threshMax; |
| 334 | u8 smallStep; |
| 335 | u8 largeStep; |
| 336 | u8 decimationHysteresis; |
| 337 | u8 frDiffStepThresh; |
| 338 | u8 qDiffStepThresh; |
| 339 | u8 decimationThreshMod; |
| 340 | } compressionParams; |
| 341 | struct { |
| 342 | u8 videoSize; /* CIF/QCIF */ |
| 343 | u8 subSample; |
| 344 | u8 yuvOrder; |
| 345 | } format; |
| 346 | struct { /* Intel QX3 specific data */ |
| 347 | u8 qx3_detected; /* a QX3 is present */ |
| 348 | u8 toplight; /* top light lit , R/W */ |
| 349 | u8 bottomlight; /* bottom light lit, R/W */ |
| 350 | u8 button; /* snapshot button pressed (R/O) */ |
| 351 | u8 cradled; /* microscope is in cradle (R/O) */ |
| 352 | } qx3; |
| 353 | struct { |
| 354 | u8 colStart; /* skip first 8*colStart pixels */ |
| 355 | u8 colEnd; /* finish at 8*colEnd pixels */ |
| 356 | u8 rowStart; /* skip first 4*rowStart lines */ |
| 357 | u8 rowEnd; /* finish at 4*rowEnd lines */ |
| 358 | } roi; |
| 359 | u8 ecpTiming; |
| 360 | u8 streamStartLine; |
| 361 | }; |
| 362 | |
| 363 | /* specific webcam descriptor */ |
| 364 | struct sd { |
| 365 | struct gspca_dev gspca_dev; /* !! must be the first item */ |
| 366 | struct cam_params params; /* camera settings */ |
| 367 | |
| 368 | atomic_t cam_exposure; |
| 369 | atomic_t fps; |
| 370 | int exposure_count; |
| 371 | u8 exposure_status; |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 372 | struct v4l2_ctrl *freq; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 373 | u8 mainsFreq; /* 0 = 50hz, 1 = 60hz */ |
| 374 | u8 first_frame; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 375 | }; |
| 376 | |
| 377 | static const struct v4l2_pix_format mode[] = { |
| 378 | {160, 120, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, |
| 379 | /* The sizeimage is trial and error, as with low framerates |
| 380 | the camera will pad out usb frames, making the image |
| 381 | data larger then strictly necessary */ |
| 382 | .bytesperline = 160, |
| 383 | .sizeimage = 65536, |
| 384 | .colorspace = V4L2_COLORSPACE_SRGB, |
| 385 | .priv = 3}, |
| 386 | {176, 144, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, |
| 387 | .bytesperline = 172, |
| 388 | .sizeimage = 65536, |
| 389 | .colorspace = V4L2_COLORSPACE_SRGB, |
| 390 | .priv = 2}, |
| 391 | {320, 240, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, |
| 392 | .bytesperline = 320, |
| 393 | .sizeimage = 262144, |
| 394 | .colorspace = V4L2_COLORSPACE_SRGB, |
| 395 | .priv = 1}, |
| 396 | {352, 288, V4L2_PIX_FMT_CPIA1, V4L2_FIELD_NONE, |
| 397 | .bytesperline = 352, |
| 398 | .sizeimage = 262144, |
| 399 | .colorspace = V4L2_COLORSPACE_SRGB, |
| 400 | .priv = 0}, |
| 401 | }; |
| 402 | |
| 403 | /********************************************************************** |
| 404 | * |
| 405 | * General functions |
| 406 | * |
| 407 | **********************************************************************/ |
| 408 | |
| 409 | static int cpia_usb_transferCmd(struct gspca_dev *gspca_dev, u8 *command) |
| 410 | { |
| 411 | u8 requesttype; |
| 412 | unsigned int pipe; |
| 413 | int ret, databytes = command[6] | (command[7] << 8); |
| 414 | /* Sometimes we see spurious EPIPE errors */ |
| 415 | int retries = 3; |
| 416 | |
| 417 | if (command[0] == DATA_IN) { |
| 418 | pipe = usb_rcvctrlpipe(gspca_dev->dev, 0); |
| 419 | requesttype = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE; |
| 420 | } else if (command[0] == DATA_OUT) { |
| 421 | pipe = usb_sndctrlpipe(gspca_dev->dev, 0); |
| 422 | requesttype = USB_TYPE_VENDOR | USB_RECIP_DEVICE; |
| 423 | } else { |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 424 | PERR("Unexpected first byte of command: %x", command[0]); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 425 | return -EINVAL; |
| 426 | } |
| 427 | |
| 428 | retry: |
| 429 | ret = usb_control_msg(gspca_dev->dev, pipe, |
| 430 | command[1], |
| 431 | requesttype, |
| 432 | command[2] | (command[3] << 8), |
| 433 | command[4] | (command[5] << 8), |
| 434 | gspca_dev->usb_buf, databytes, 1000); |
| 435 | |
| 436 | if (ret < 0) |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 437 | pr_err("usb_control_msg %02x, error %d\n", command[1], ret); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 438 | |
| 439 | if (ret == -EPIPE && retries > 0) { |
| 440 | retries--; |
| 441 | goto retry; |
| 442 | } |
| 443 | |
| 444 | return (ret < 0) ? ret : 0; |
| 445 | } |
| 446 | |
| 447 | /* send an arbitrary command to the camera */ |
| 448 | static int do_command(struct gspca_dev *gspca_dev, u16 command, |
| 449 | u8 a, u8 b, u8 c, u8 d) |
| 450 | { |
| 451 | struct sd *sd = (struct sd *) gspca_dev; |
| 452 | int ret, datasize; |
| 453 | u8 cmd[8]; |
| 454 | |
| 455 | switch (command) { |
| 456 | case CPIA_COMMAND_GetCPIAVersion: |
| 457 | case CPIA_COMMAND_GetPnPID: |
| 458 | case CPIA_COMMAND_GetCameraStatus: |
| 459 | case CPIA_COMMAND_GetVPVersion: |
| 460 | case CPIA_COMMAND_GetColourParams: |
| 461 | case CPIA_COMMAND_GetColourBalance: |
| 462 | case CPIA_COMMAND_GetExposure: |
| 463 | datasize = 8; |
| 464 | break; |
| 465 | case CPIA_COMMAND_ReadMCPorts: |
| 466 | case CPIA_COMMAND_ReadVCRegs: |
| 467 | datasize = 4; |
| 468 | break; |
| 469 | default: |
| 470 | datasize = 0; |
| 471 | break; |
| 472 | } |
| 473 | |
| 474 | cmd[0] = command >> 8; |
| 475 | cmd[1] = command & 0xff; |
| 476 | cmd[2] = a; |
| 477 | cmd[3] = b; |
| 478 | cmd[4] = c; |
| 479 | cmd[5] = d; |
| 480 | cmd[6] = datasize; |
| 481 | cmd[7] = 0; |
| 482 | |
| 483 | ret = cpia_usb_transferCmd(gspca_dev, cmd); |
| 484 | if (ret) |
| 485 | return ret; |
| 486 | |
| 487 | switch (command) { |
| 488 | case CPIA_COMMAND_GetCPIAVersion: |
| 489 | sd->params.version.firmwareVersion = gspca_dev->usb_buf[0]; |
| 490 | sd->params.version.firmwareRevision = gspca_dev->usb_buf[1]; |
| 491 | sd->params.version.vcVersion = gspca_dev->usb_buf[2]; |
| 492 | sd->params.version.vcRevision = gspca_dev->usb_buf[3]; |
| 493 | break; |
| 494 | case CPIA_COMMAND_GetPnPID: |
| 495 | sd->params.pnpID.vendor = |
| 496 | gspca_dev->usb_buf[0] | (gspca_dev->usb_buf[1] << 8); |
| 497 | sd->params.pnpID.product = |
| 498 | gspca_dev->usb_buf[2] | (gspca_dev->usb_buf[3] << 8); |
| 499 | sd->params.pnpID.deviceRevision = |
| 500 | gspca_dev->usb_buf[4] | (gspca_dev->usb_buf[5] << 8); |
| 501 | break; |
| 502 | case CPIA_COMMAND_GetCameraStatus: |
| 503 | sd->params.status.systemState = gspca_dev->usb_buf[0]; |
| 504 | sd->params.status.grabState = gspca_dev->usb_buf[1]; |
| 505 | sd->params.status.streamState = gspca_dev->usb_buf[2]; |
| 506 | sd->params.status.fatalError = gspca_dev->usb_buf[3]; |
| 507 | sd->params.status.cmdError = gspca_dev->usb_buf[4]; |
| 508 | sd->params.status.debugFlags = gspca_dev->usb_buf[5]; |
| 509 | sd->params.status.vpStatus = gspca_dev->usb_buf[6]; |
| 510 | sd->params.status.errorCode = gspca_dev->usb_buf[7]; |
| 511 | break; |
| 512 | case CPIA_COMMAND_GetVPVersion: |
| 513 | sd->params.vpVersion.vpVersion = gspca_dev->usb_buf[0]; |
| 514 | sd->params.vpVersion.vpRevision = gspca_dev->usb_buf[1]; |
| 515 | sd->params.vpVersion.cameraHeadID = |
| 516 | gspca_dev->usb_buf[2] | (gspca_dev->usb_buf[3] << 8); |
| 517 | break; |
| 518 | case CPIA_COMMAND_GetColourParams: |
| 519 | sd->params.colourParams.brightness = gspca_dev->usb_buf[0]; |
| 520 | sd->params.colourParams.contrast = gspca_dev->usb_buf[1]; |
| 521 | sd->params.colourParams.saturation = gspca_dev->usb_buf[2]; |
| 522 | break; |
| 523 | case CPIA_COMMAND_GetColourBalance: |
| 524 | sd->params.colourBalance.redGain = gspca_dev->usb_buf[0]; |
| 525 | sd->params.colourBalance.greenGain = gspca_dev->usb_buf[1]; |
| 526 | sd->params.colourBalance.blueGain = gspca_dev->usb_buf[2]; |
| 527 | break; |
| 528 | case CPIA_COMMAND_GetExposure: |
| 529 | sd->params.exposure.gain = gspca_dev->usb_buf[0]; |
| 530 | sd->params.exposure.fineExp = gspca_dev->usb_buf[1]; |
| 531 | sd->params.exposure.coarseExpLo = gspca_dev->usb_buf[2]; |
| 532 | sd->params.exposure.coarseExpHi = gspca_dev->usb_buf[3]; |
| 533 | sd->params.exposure.redComp = gspca_dev->usb_buf[4]; |
| 534 | sd->params.exposure.green1Comp = gspca_dev->usb_buf[5]; |
| 535 | sd->params.exposure.green2Comp = gspca_dev->usb_buf[6]; |
| 536 | sd->params.exposure.blueComp = gspca_dev->usb_buf[7]; |
| 537 | break; |
| 538 | |
| 539 | case CPIA_COMMAND_ReadMCPorts: |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 540 | /* test button press */ |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 541 | a = ((gspca_dev->usb_buf[1] & 0x02) == 0); |
| 542 | if (a != sd->params.qx3.button) { |
Peter Senna Tschudin | a3f6ce6 | 2013-01-24 19:28:58 -0300 | [diff] [blame] | 543 | #if IS_ENABLED(CONFIG_INPUT) |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 544 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, a); |
| 545 | input_sync(gspca_dev->input_dev); |
| 546 | #endif |
| 547 | sd->params.qx3.button = a; |
| 548 | } |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 549 | if (sd->params.qx3.button) { |
| 550 | /* button pressed - unlock the latch */ |
| 551 | do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, |
Jean-François Moine | 1d00d6c | 2010-10-29 13:58:22 -0300 | [diff] [blame] | 552 | 3, 0xdf, 0xdf, 0); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 553 | do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, |
Jean-François Moine | 1d00d6c | 2010-10-29 13:58:22 -0300 | [diff] [blame] | 554 | 3, 0xff, 0xff, 0); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | /* test whether microscope is cradled */ |
| 558 | sd->params.qx3.cradled = ((gspca_dev->usb_buf[2] & 0x40) == 0); |
| 559 | break; |
| 560 | } |
| 561 | |
| 562 | return 0; |
| 563 | } |
| 564 | |
| 565 | /* send a command to the camera with an additional data transaction */ |
| 566 | static int do_command_extended(struct gspca_dev *gspca_dev, u16 command, |
| 567 | u8 a, u8 b, u8 c, u8 d, |
| 568 | u8 e, u8 f, u8 g, u8 h, |
| 569 | u8 i, u8 j, u8 k, u8 l) |
| 570 | { |
| 571 | u8 cmd[8]; |
| 572 | |
| 573 | cmd[0] = command >> 8; |
| 574 | cmd[1] = command & 0xff; |
| 575 | cmd[2] = a; |
| 576 | cmd[3] = b; |
| 577 | cmd[4] = c; |
| 578 | cmd[5] = d; |
| 579 | cmd[6] = 8; |
| 580 | cmd[7] = 0; |
| 581 | gspca_dev->usb_buf[0] = e; |
| 582 | gspca_dev->usb_buf[1] = f; |
| 583 | gspca_dev->usb_buf[2] = g; |
| 584 | gspca_dev->usb_buf[3] = h; |
| 585 | gspca_dev->usb_buf[4] = i; |
| 586 | gspca_dev->usb_buf[5] = j; |
| 587 | gspca_dev->usb_buf[6] = k; |
| 588 | gspca_dev->usb_buf[7] = l; |
| 589 | |
| 590 | return cpia_usb_transferCmd(gspca_dev, cmd); |
| 591 | } |
| 592 | |
| 593 | /* find_over_exposure |
| 594 | * Finds a suitable value of OverExposure for use with SetFlickerCtrl |
| 595 | * Some calculation is required because this value changes with the brightness |
| 596 | * set with SetColourParameters |
| 597 | * |
| 598 | * Parameters: Brightness - last brightness value set with SetColourParameters |
| 599 | * |
| 600 | * Returns: OverExposure value to use with SetFlickerCtrl |
| 601 | */ |
| 602 | #define FLICKER_MAX_EXPOSURE 250 |
| 603 | #define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 |
| 604 | #define FLICKER_BRIGHTNESS_CONSTANT 59 |
| 605 | static int find_over_exposure(int brightness) |
| 606 | { |
| 607 | int MaxAllowableOverExposure, OverExposure; |
| 608 | |
| 609 | MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - |
| 610 | FLICKER_BRIGHTNESS_CONSTANT; |
| 611 | |
| 612 | if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) |
| 613 | OverExposure = MaxAllowableOverExposure; |
| 614 | else |
| 615 | OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; |
| 616 | |
| 617 | return OverExposure; |
| 618 | } |
| 619 | #undef FLICKER_MAX_EXPOSURE |
| 620 | #undef FLICKER_ALLOWABLE_OVER_EXPOSURE |
| 621 | #undef FLICKER_BRIGHTNESS_CONSTANT |
| 622 | |
| 623 | /* initialise cam_data structure */ |
| 624 | static void reset_camera_params(struct gspca_dev *gspca_dev) |
| 625 | { |
| 626 | struct sd *sd = (struct sd *) gspca_dev; |
| 627 | struct cam_params *params = &sd->params; |
| 628 | |
| 629 | /* The following parameter values are the defaults from |
| 630 | * "Software Developer's Guide for CPiA Cameras". Any changes |
| 631 | * to the defaults are noted in comments. */ |
| 632 | params->colourParams.brightness = BRIGHTNESS_DEF; |
| 633 | params->colourParams.contrast = CONTRAST_DEF; |
| 634 | params->colourParams.saturation = SATURATION_DEF; |
| 635 | params->exposure.gainMode = 4; |
| 636 | params->exposure.expMode = 2; /* AEC */ |
| 637 | params->exposure.compMode = 1; |
| 638 | params->exposure.centreWeight = 1; |
| 639 | params->exposure.gain = 0; |
| 640 | params->exposure.fineExp = 0; |
| 641 | params->exposure.coarseExpLo = 185; |
| 642 | params->exposure.coarseExpHi = 0; |
| 643 | params->exposure.redComp = COMP_RED; |
| 644 | params->exposure.green1Comp = COMP_GREEN1; |
| 645 | params->exposure.green2Comp = COMP_GREEN2; |
| 646 | params->exposure.blueComp = COMP_BLUE; |
| 647 | params->colourBalance.balanceMode = 2; /* ACB */ |
| 648 | params->colourBalance.redGain = 32; |
| 649 | params->colourBalance.greenGain = 6; |
| 650 | params->colourBalance.blueGain = 92; |
| 651 | params->apcor.gain1 = 0x18; |
| 652 | params->apcor.gain2 = 0x16; |
| 653 | params->apcor.gain4 = 0x24; |
| 654 | params->apcor.gain8 = 0x34; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 655 | params->vlOffset.gain1 = 20; |
| 656 | params->vlOffset.gain2 = 24; |
| 657 | params->vlOffset.gain4 = 26; |
| 658 | params->vlOffset.gain8 = 26; |
| 659 | params->compressionParams.hysteresis = 3; |
| 660 | params->compressionParams.threshMax = 11; |
| 661 | params->compressionParams.smallStep = 1; |
| 662 | params->compressionParams.largeStep = 3; |
| 663 | params->compressionParams.decimationHysteresis = 2; |
| 664 | params->compressionParams.frDiffStepThresh = 5; |
| 665 | params->compressionParams.qDiffStepThresh = 3; |
| 666 | params->compressionParams.decimationThreshMod = 2; |
| 667 | /* End of default values from Software Developer's Guide */ |
| 668 | |
| 669 | /* Set Sensor FPS to 15fps. This seems better than 30fps |
| 670 | * for indoor lighting. */ |
| 671 | params->sensorFps.divisor = 1; |
| 672 | params->sensorFps.baserate = 1; |
| 673 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 674 | params->flickerControl.flickerMode = 0; |
| 675 | params->flickerControl.disabled = 1; |
| 676 | params->flickerControl.coarseJump = |
| 677 | flicker_jumps[sd->mainsFreq] |
| 678 | [params->sensorFps.baserate] |
| 679 | [params->sensorFps.divisor]; |
| 680 | params->flickerControl.allowableOverExposure = |
| 681 | find_over_exposure(params->colourParams.brightness); |
| 682 | |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 683 | params->yuvThreshold.yThreshold = 6; /* From windows driver */ |
| 684 | params->yuvThreshold.uvThreshold = 6; /* From windows driver */ |
| 685 | |
| 686 | params->format.subSample = SUBSAMPLE_420; |
| 687 | params->format.yuvOrder = YUVORDER_YUYV; |
| 688 | |
| 689 | params->compression.mode = CPIA_COMPRESSION_AUTO; |
| 690 | params->compression.decimation = NO_DECIMATION; |
| 691 | |
| 692 | params->compressionTarget.frTargeting = COMP_TARGET_DEF; |
| 693 | params->compressionTarget.targetFR = 15; /* From windows driver */ |
| 694 | params->compressionTarget.targetQ = 5; /* From windows driver */ |
| 695 | |
| 696 | params->qx3.qx3_detected = 0; |
| 697 | params->qx3.toplight = 0; |
| 698 | params->qx3.bottomlight = 0; |
| 699 | params->qx3.button = 0; |
| 700 | params->qx3.cradled = 0; |
| 701 | } |
| 702 | |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 703 | static void printstatus(struct gspca_dev *gspca_dev, struct cam_params *params) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 704 | { |
| 705 | PDEBUG(D_PROBE, "status: %02x %02x %02x %02x %02x %02x %02x %02x", |
| 706 | params->status.systemState, params->status.grabState, |
| 707 | params->status.streamState, params->status.fatalError, |
| 708 | params->status.cmdError, params->status.debugFlags, |
| 709 | params->status.vpStatus, params->status.errorCode); |
| 710 | } |
| 711 | |
| 712 | static int goto_low_power(struct gspca_dev *gspca_dev) |
| 713 | { |
| 714 | struct sd *sd = (struct sd *) gspca_dev; |
| 715 | int ret; |
| 716 | |
| 717 | ret = do_command(gspca_dev, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0); |
| 718 | if (ret) |
| 719 | return ret; |
| 720 | |
Nicolas Kaiser | 9be1d6c | 2010-11-12 04:32:35 -0300 | [diff] [blame] | 721 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 722 | if (ret) |
| 723 | return ret; |
| 724 | |
| 725 | if (sd->params.status.systemState != LO_POWER_STATE) { |
| 726 | if (sd->params.status.systemState != WARM_BOOT_STATE) { |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 727 | PERR("unexpected state after lo power cmd: %02x", |
| 728 | sd->params.status.systemState); |
| 729 | printstatus(gspca_dev, &sd->params); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 730 | } |
| 731 | return -EIO; |
| 732 | } |
| 733 | |
| 734 | PDEBUG(D_CONF, "camera now in LOW power state"); |
| 735 | return 0; |
| 736 | } |
| 737 | |
| 738 | static int goto_high_power(struct gspca_dev *gspca_dev) |
| 739 | { |
| 740 | struct sd *sd = (struct sd *) gspca_dev; |
| 741 | int ret; |
| 742 | |
| 743 | ret = do_command(gspca_dev, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0); |
| 744 | if (ret) |
| 745 | return ret; |
| 746 | |
| 747 | msleep_interruptible(40); /* windows driver does it too */ |
| 748 | |
| 749 | if (signal_pending(current)) |
| 750 | return -EINTR; |
| 751 | |
Peter Senna Tschudin | 8c96f0a | 2012-09-06 12:24:01 -0300 | [diff] [blame] | 752 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 753 | if (ret) |
| 754 | return ret; |
| 755 | |
| 756 | if (sd->params.status.systemState != HI_POWER_STATE) { |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 757 | PERR("unexpected state after hi power cmd: %02x", |
| 758 | sd->params.status.systemState); |
| 759 | printstatus(gspca_dev, &sd->params); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 760 | return -EIO; |
| 761 | } |
| 762 | |
| 763 | PDEBUG(D_CONF, "camera now in HIGH power state"); |
| 764 | return 0; |
| 765 | } |
| 766 | |
| 767 | static int get_version_information(struct gspca_dev *gspca_dev) |
| 768 | { |
| 769 | int ret; |
| 770 | |
| 771 | /* GetCPIAVersion */ |
| 772 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); |
| 773 | if (ret) |
| 774 | return ret; |
| 775 | |
| 776 | /* GetPnPID */ |
| 777 | return do_command(gspca_dev, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); |
| 778 | } |
| 779 | |
| 780 | static int save_camera_state(struct gspca_dev *gspca_dev) |
| 781 | { |
| 782 | int ret; |
| 783 | |
| 784 | ret = do_command(gspca_dev, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); |
| 785 | if (ret) |
| 786 | return ret; |
| 787 | |
| 788 | return do_command(gspca_dev, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); |
| 789 | } |
| 790 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 791 | static int command_setformat(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 792 | { |
| 793 | struct sd *sd = (struct sd *) gspca_dev; |
| 794 | int ret; |
| 795 | |
| 796 | ret = do_command(gspca_dev, CPIA_COMMAND_SetFormat, |
| 797 | sd->params.format.videoSize, |
| 798 | sd->params.format.subSample, |
| 799 | sd->params.format.yuvOrder, 0); |
| 800 | if (ret) |
| 801 | return ret; |
| 802 | |
| 803 | return do_command(gspca_dev, CPIA_COMMAND_SetROI, |
| 804 | sd->params.roi.colStart, sd->params.roi.colEnd, |
| 805 | sd->params.roi.rowStart, sd->params.roi.rowEnd); |
| 806 | } |
| 807 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 808 | static int command_setcolourparams(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 809 | { |
| 810 | struct sd *sd = (struct sd *) gspca_dev; |
| 811 | return do_command(gspca_dev, CPIA_COMMAND_SetColourParams, |
| 812 | sd->params.colourParams.brightness, |
| 813 | sd->params.colourParams.contrast, |
| 814 | sd->params.colourParams.saturation, 0); |
| 815 | } |
| 816 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 817 | static int command_setapcor(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 818 | { |
| 819 | struct sd *sd = (struct sd *) gspca_dev; |
| 820 | return do_command(gspca_dev, CPIA_COMMAND_SetApcor, |
| 821 | sd->params.apcor.gain1, |
| 822 | sd->params.apcor.gain2, |
| 823 | sd->params.apcor.gain4, |
| 824 | sd->params.apcor.gain8); |
| 825 | } |
| 826 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 827 | static int command_setvloffset(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 828 | { |
| 829 | struct sd *sd = (struct sd *) gspca_dev; |
| 830 | return do_command(gspca_dev, CPIA_COMMAND_SetVLOffset, |
| 831 | sd->params.vlOffset.gain1, |
| 832 | sd->params.vlOffset.gain2, |
| 833 | sd->params.vlOffset.gain4, |
| 834 | sd->params.vlOffset.gain8); |
| 835 | } |
| 836 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 837 | static int command_setexposure(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 838 | { |
| 839 | struct sd *sd = (struct sd *) gspca_dev; |
| 840 | int ret; |
| 841 | |
| 842 | ret = do_command_extended(gspca_dev, CPIA_COMMAND_SetExposure, |
| 843 | sd->params.exposure.gainMode, |
| 844 | 1, |
| 845 | sd->params.exposure.compMode, |
| 846 | sd->params.exposure.centreWeight, |
| 847 | sd->params.exposure.gain, |
| 848 | sd->params.exposure.fineExp, |
| 849 | sd->params.exposure.coarseExpLo, |
| 850 | sd->params.exposure.coarseExpHi, |
| 851 | sd->params.exposure.redComp, |
| 852 | sd->params.exposure.green1Comp, |
| 853 | sd->params.exposure.green2Comp, |
| 854 | sd->params.exposure.blueComp); |
| 855 | if (ret) |
| 856 | return ret; |
| 857 | |
| 858 | if (sd->params.exposure.expMode != 1) { |
| 859 | ret = do_command_extended(gspca_dev, CPIA_COMMAND_SetExposure, |
| 860 | 0, |
| 861 | sd->params.exposure.expMode, |
| 862 | 0, 0, |
| 863 | sd->params.exposure.gain, |
| 864 | sd->params.exposure.fineExp, |
| 865 | sd->params.exposure.coarseExpLo, |
| 866 | sd->params.exposure.coarseExpHi, |
| 867 | 0, 0, 0, 0); |
| 868 | } |
| 869 | |
| 870 | return ret; |
| 871 | } |
| 872 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 873 | static int command_setcolourbalance(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 874 | { |
| 875 | struct sd *sd = (struct sd *) gspca_dev; |
| 876 | |
| 877 | if (sd->params.colourBalance.balanceMode == 1) { |
| 878 | int ret; |
| 879 | |
| 880 | ret = do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, |
| 881 | 1, |
| 882 | sd->params.colourBalance.redGain, |
| 883 | sd->params.colourBalance.greenGain, |
| 884 | sd->params.colourBalance.blueGain); |
| 885 | if (ret) |
| 886 | return ret; |
| 887 | |
| 888 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, |
| 889 | 3, 0, 0, 0); |
| 890 | } |
| 891 | if (sd->params.colourBalance.balanceMode == 2) { |
| 892 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, |
| 893 | 2, 0, 0, 0); |
| 894 | } |
| 895 | if (sd->params.colourBalance.balanceMode == 3) { |
| 896 | return do_command(gspca_dev, CPIA_COMMAND_SetColourBalance, |
| 897 | 3, 0, 0, 0); |
| 898 | } |
| 899 | |
| 900 | return -EINVAL; |
| 901 | } |
| 902 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 903 | static int command_setcompressiontarget(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 904 | { |
| 905 | struct sd *sd = (struct sd *) gspca_dev; |
| 906 | |
| 907 | return do_command(gspca_dev, CPIA_COMMAND_SetCompressionTarget, |
| 908 | sd->params.compressionTarget.frTargeting, |
| 909 | sd->params.compressionTarget.targetFR, |
| 910 | sd->params.compressionTarget.targetQ, 0); |
| 911 | } |
| 912 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 913 | static int command_setyuvtresh(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 914 | { |
| 915 | struct sd *sd = (struct sd *) gspca_dev; |
| 916 | |
| 917 | return do_command(gspca_dev, CPIA_COMMAND_SetYUVThresh, |
| 918 | sd->params.yuvThreshold.yThreshold, |
| 919 | sd->params.yuvThreshold.uvThreshold, 0, 0); |
| 920 | } |
| 921 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 922 | static int command_setcompressionparams(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 923 | { |
| 924 | struct sd *sd = (struct sd *) gspca_dev; |
| 925 | |
| 926 | return do_command_extended(gspca_dev, |
| 927 | CPIA_COMMAND_SetCompressionParams, |
| 928 | 0, 0, 0, 0, |
| 929 | sd->params.compressionParams.hysteresis, |
| 930 | sd->params.compressionParams.threshMax, |
| 931 | sd->params.compressionParams.smallStep, |
| 932 | sd->params.compressionParams.largeStep, |
| 933 | sd->params.compressionParams.decimationHysteresis, |
| 934 | sd->params.compressionParams.frDiffStepThresh, |
| 935 | sd->params.compressionParams.qDiffStepThresh, |
| 936 | sd->params.compressionParams.decimationThreshMod); |
| 937 | } |
| 938 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 939 | static int command_setcompression(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 940 | { |
| 941 | struct sd *sd = (struct sd *) gspca_dev; |
| 942 | |
| 943 | return do_command(gspca_dev, CPIA_COMMAND_SetCompression, |
| 944 | sd->params.compression.mode, |
| 945 | sd->params.compression.decimation, 0, 0); |
| 946 | } |
| 947 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 948 | static int command_setsensorfps(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 949 | { |
| 950 | struct sd *sd = (struct sd *) gspca_dev; |
| 951 | |
| 952 | return do_command(gspca_dev, CPIA_COMMAND_SetSensorFPS, |
| 953 | sd->params.sensorFps.divisor, |
| 954 | sd->params.sensorFps.baserate, 0, 0); |
| 955 | } |
| 956 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 957 | static int command_setflickerctrl(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 958 | { |
| 959 | struct sd *sd = (struct sd *) gspca_dev; |
| 960 | |
| 961 | return do_command(gspca_dev, CPIA_COMMAND_SetFlickerCtrl, |
| 962 | sd->params.flickerControl.flickerMode, |
| 963 | sd->params.flickerControl.coarseJump, |
| 964 | sd->params.flickerControl.allowableOverExposure, |
| 965 | 0); |
| 966 | } |
| 967 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 968 | static int command_setecptiming(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 969 | { |
| 970 | struct sd *sd = (struct sd *) gspca_dev; |
| 971 | |
| 972 | return do_command(gspca_dev, CPIA_COMMAND_SetECPTiming, |
| 973 | sd->params.ecpTiming, 0, 0, 0); |
| 974 | } |
| 975 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 976 | static int command_pause(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 977 | { |
| 978 | return do_command(gspca_dev, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); |
| 979 | } |
| 980 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 981 | static int command_resume(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 982 | { |
| 983 | struct sd *sd = (struct sd *) gspca_dev; |
| 984 | |
| 985 | return do_command(gspca_dev, CPIA_COMMAND_InitStreamCap, |
| 986 | 0, sd->params.streamStartLine, 0, 0); |
| 987 | } |
| 988 | |
Márton Németh | e7c3ee6 | 2010-03-07 03:33:45 -0300 | [diff] [blame] | 989 | static int command_setlights(struct gspca_dev *gspca_dev) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 990 | { |
| 991 | struct sd *sd = (struct sd *) gspca_dev; |
| 992 | int ret, p1, p2; |
| 993 | |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 994 | p1 = (sd->params.qx3.bottomlight == 0) << 1; |
| 995 | p2 = (sd->params.qx3.toplight == 0) << 3; |
| 996 | |
| 997 | ret = do_command(gspca_dev, CPIA_COMMAND_WriteVCReg, |
Jean-François Moine | 1d00d6c | 2010-10-29 13:58:22 -0300 | [diff] [blame] | 998 | 0x90, 0x8f, 0x50, 0); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 999 | if (ret) |
| 1000 | return ret; |
| 1001 | |
| 1002 | return do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, 2, 0, |
Jean-François Moine | 1d00d6c | 2010-10-29 13:58:22 -0300 | [diff] [blame] | 1003 | p1 | p2 | 0xe0, 0); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1004 | } |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1005 | |
| 1006 | static int set_flicker(struct gspca_dev *gspca_dev, int on, int apply) |
| 1007 | { |
| 1008 | /* Everything in here is from the Windows driver */ |
| 1009 | /* define for compgain calculation */ |
| 1010 | #if 0 |
| 1011 | #define COMPGAIN(base, curexp, newexp) \ |
| 1012 | (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) |
| 1013 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ |
| 1014 | (u16)((float)curexp * (float)(u8)(curcomp + 128) / \ |
| 1015 | (float)(u8)(basecomp - 128)) |
| 1016 | #else |
| 1017 | /* equivalent functions without floating point math */ |
| 1018 | #define COMPGAIN(base, curexp, newexp) \ |
| 1019 | (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2 * newexp))) |
| 1020 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ |
| 1021 | (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) |
| 1022 | #endif |
| 1023 | |
| 1024 | struct sd *sd = (struct sd *) gspca_dev; |
| 1025 | int currentexp = sd->params.exposure.coarseExpLo + |
| 1026 | sd->params.exposure.coarseExpHi * 256; |
| 1027 | int ret, startexp; |
| 1028 | |
| 1029 | if (on) { |
| 1030 | int cj = sd->params.flickerControl.coarseJump; |
| 1031 | sd->params.flickerControl.flickerMode = 1; |
| 1032 | sd->params.flickerControl.disabled = 0; |
| 1033 | if (sd->params.exposure.expMode != 2) { |
| 1034 | sd->params.exposure.expMode = 2; |
| 1035 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1036 | } |
| 1037 | currentexp = currentexp << sd->params.exposure.gain; |
| 1038 | sd->params.exposure.gain = 0; |
| 1039 | /* round down current exposure to nearest value */ |
| 1040 | startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; |
| 1041 | if (startexp < 1) |
| 1042 | startexp = 1; |
| 1043 | startexp = (startexp * cj) - 1; |
| 1044 | if (FIRMWARE_VERSION(1, 2)) |
| 1045 | while (startexp > MAX_EXP_102) |
| 1046 | startexp -= cj; |
| 1047 | else |
| 1048 | while (startexp > MAX_EXP) |
| 1049 | startexp -= cj; |
| 1050 | sd->params.exposure.coarseExpLo = startexp & 0xff; |
| 1051 | sd->params.exposure.coarseExpHi = startexp >> 8; |
| 1052 | if (currentexp > startexp) { |
| 1053 | if (currentexp > (2 * startexp)) |
| 1054 | currentexp = 2 * startexp; |
| 1055 | sd->params.exposure.redComp = |
| 1056 | COMPGAIN(COMP_RED, currentexp, startexp); |
| 1057 | sd->params.exposure.green1Comp = |
| 1058 | COMPGAIN(COMP_GREEN1, currentexp, startexp); |
| 1059 | sd->params.exposure.green2Comp = |
| 1060 | COMPGAIN(COMP_GREEN2, currentexp, startexp); |
| 1061 | sd->params.exposure.blueComp = |
| 1062 | COMPGAIN(COMP_BLUE, currentexp, startexp); |
| 1063 | } else { |
| 1064 | sd->params.exposure.redComp = COMP_RED; |
| 1065 | sd->params.exposure.green1Comp = COMP_GREEN1; |
| 1066 | sd->params.exposure.green2Comp = COMP_GREEN2; |
| 1067 | sd->params.exposure.blueComp = COMP_BLUE; |
| 1068 | } |
| 1069 | if (FIRMWARE_VERSION(1, 2)) |
| 1070 | sd->params.exposure.compMode = 0; |
| 1071 | else |
| 1072 | sd->params.exposure.compMode = 1; |
| 1073 | |
| 1074 | sd->params.apcor.gain1 = 0x18; |
| 1075 | sd->params.apcor.gain2 = 0x18; |
| 1076 | sd->params.apcor.gain4 = 0x16; |
| 1077 | sd->params.apcor.gain8 = 0x14; |
| 1078 | } else { |
| 1079 | sd->params.flickerControl.flickerMode = 0; |
| 1080 | sd->params.flickerControl.disabled = 1; |
| 1081 | /* Average equivalent coarse for each comp channel */ |
| 1082 | startexp = EXP_FROM_COMP(COMP_RED, |
| 1083 | sd->params.exposure.redComp, currentexp); |
| 1084 | startexp += EXP_FROM_COMP(COMP_GREEN1, |
| 1085 | sd->params.exposure.green1Comp, currentexp); |
| 1086 | startexp += EXP_FROM_COMP(COMP_GREEN2, |
| 1087 | sd->params.exposure.green2Comp, currentexp); |
| 1088 | startexp += EXP_FROM_COMP(COMP_BLUE, |
| 1089 | sd->params.exposure.blueComp, currentexp); |
| 1090 | startexp = startexp >> 2; |
| 1091 | while (startexp > MAX_EXP && sd->params.exposure.gain < |
| 1092 | sd->params.exposure.gainMode - 1) { |
| 1093 | startexp = startexp >> 1; |
| 1094 | ++sd->params.exposure.gain; |
| 1095 | } |
| 1096 | if (FIRMWARE_VERSION(1, 2) && startexp > MAX_EXP_102) |
| 1097 | startexp = MAX_EXP_102; |
| 1098 | if (startexp > MAX_EXP) |
| 1099 | startexp = MAX_EXP; |
| 1100 | sd->params.exposure.coarseExpLo = startexp & 0xff; |
| 1101 | sd->params.exposure.coarseExpHi = startexp >> 8; |
| 1102 | sd->params.exposure.redComp = COMP_RED; |
| 1103 | sd->params.exposure.green1Comp = COMP_GREEN1; |
| 1104 | sd->params.exposure.green2Comp = COMP_GREEN2; |
| 1105 | sd->params.exposure.blueComp = COMP_BLUE; |
| 1106 | sd->params.exposure.compMode = 1; |
| 1107 | sd->params.apcor.gain1 = 0x18; |
| 1108 | sd->params.apcor.gain2 = 0x16; |
| 1109 | sd->params.apcor.gain4 = 0x24; |
| 1110 | sd->params.apcor.gain8 = 0x34; |
| 1111 | } |
| 1112 | sd->params.vlOffset.gain1 = 20; |
| 1113 | sd->params.vlOffset.gain2 = 24; |
| 1114 | sd->params.vlOffset.gain4 = 26; |
| 1115 | sd->params.vlOffset.gain8 = 26; |
| 1116 | |
| 1117 | if (apply) { |
| 1118 | ret = command_setexposure(gspca_dev); |
| 1119 | if (ret) |
| 1120 | return ret; |
| 1121 | |
| 1122 | ret = command_setapcor(gspca_dev); |
| 1123 | if (ret) |
| 1124 | return ret; |
| 1125 | |
| 1126 | ret = command_setvloffset(gspca_dev); |
| 1127 | if (ret) |
| 1128 | return ret; |
| 1129 | |
| 1130 | ret = command_setflickerctrl(gspca_dev); |
| 1131 | if (ret) |
| 1132 | return ret; |
| 1133 | } |
| 1134 | |
| 1135 | return 0; |
| 1136 | #undef EXP_FROM_COMP |
| 1137 | #undef COMPGAIN |
| 1138 | } |
| 1139 | |
| 1140 | /* monitor the exposure and adjust the sensor frame rate if needed */ |
| 1141 | static void monitor_exposure(struct gspca_dev *gspca_dev) |
| 1142 | { |
| 1143 | struct sd *sd = (struct sd *) gspca_dev; |
Jean-François Moine | cc90b15 | 2011-05-17 03:54:11 -0300 | [diff] [blame] | 1144 | u8 exp_acc, bcomp, cmd[8]; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1145 | int ret, light_exp, dark_exp, very_dark_exp; |
| 1146 | int old_exposure, new_exposure, framerate; |
| 1147 | int setfps = 0, setexp = 0, setflicker = 0; |
| 1148 | |
| 1149 | /* get necessary stats and register settings from camera */ |
| 1150 | /* do_command can't handle this, so do it ourselves */ |
| 1151 | cmd[0] = CPIA_COMMAND_ReadVPRegs >> 8; |
| 1152 | cmd[1] = CPIA_COMMAND_ReadVPRegs & 0xff; |
| 1153 | cmd[2] = 30; |
| 1154 | cmd[3] = 4; |
| 1155 | cmd[4] = 9; |
| 1156 | cmd[5] = 8; |
| 1157 | cmd[6] = 8; |
| 1158 | cmd[7] = 0; |
| 1159 | ret = cpia_usb_transferCmd(gspca_dev, cmd); |
| 1160 | if (ret) { |
Joe Perches | 133a9fe | 2011-08-21 19:56:57 -0300 | [diff] [blame] | 1161 | pr_err("ReadVPRegs(30,4,9,8) - failed: %d\n", ret); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1162 | return; |
| 1163 | } |
| 1164 | exp_acc = gspca_dev->usb_buf[0]; |
| 1165 | bcomp = gspca_dev->usb_buf[1]; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1166 | |
| 1167 | light_exp = sd->params.colourParams.brightness + |
| 1168 | TC - 50 + EXP_ACC_LIGHT; |
| 1169 | if (light_exp > 255) |
| 1170 | light_exp = 255; |
| 1171 | dark_exp = sd->params.colourParams.brightness + |
| 1172 | TC - 50 - EXP_ACC_DARK; |
| 1173 | if (dark_exp < 0) |
| 1174 | dark_exp = 0; |
| 1175 | very_dark_exp = dark_exp / 2; |
| 1176 | |
| 1177 | old_exposure = sd->params.exposure.coarseExpHi * 256 + |
| 1178 | sd->params.exposure.coarseExpLo; |
| 1179 | |
| 1180 | if (!sd->params.flickerControl.disabled) { |
| 1181 | /* Flicker control on */ |
| 1182 | int max_comp = FIRMWARE_VERSION(1, 2) ? MAX_COMP : |
| 1183 | HIGH_COMP_102; |
| 1184 | bcomp += 128; /* decode */ |
| 1185 | if (bcomp >= max_comp && exp_acc < dark_exp) { |
| 1186 | /* dark */ |
| 1187 | if (exp_acc < very_dark_exp) { |
| 1188 | /* very dark */ |
| 1189 | if (sd->exposure_status == EXPOSURE_VERY_DARK) |
| 1190 | ++sd->exposure_count; |
| 1191 | else { |
| 1192 | sd->exposure_status = |
| 1193 | EXPOSURE_VERY_DARK; |
| 1194 | sd->exposure_count = 1; |
| 1195 | } |
| 1196 | } else { |
| 1197 | /* just dark */ |
| 1198 | if (sd->exposure_status == EXPOSURE_DARK) |
| 1199 | ++sd->exposure_count; |
| 1200 | else { |
| 1201 | sd->exposure_status = EXPOSURE_DARK; |
| 1202 | sd->exposure_count = 1; |
| 1203 | } |
| 1204 | } |
| 1205 | } else if (old_exposure <= LOW_EXP || exp_acc > light_exp) { |
| 1206 | /* light */ |
| 1207 | if (old_exposure <= VERY_LOW_EXP) { |
| 1208 | /* very light */ |
| 1209 | if (sd->exposure_status == EXPOSURE_VERY_LIGHT) |
| 1210 | ++sd->exposure_count; |
| 1211 | else { |
| 1212 | sd->exposure_status = |
| 1213 | EXPOSURE_VERY_LIGHT; |
| 1214 | sd->exposure_count = 1; |
| 1215 | } |
| 1216 | } else { |
| 1217 | /* just light */ |
| 1218 | if (sd->exposure_status == EXPOSURE_LIGHT) |
| 1219 | ++sd->exposure_count; |
| 1220 | else { |
| 1221 | sd->exposure_status = EXPOSURE_LIGHT; |
| 1222 | sd->exposure_count = 1; |
| 1223 | } |
| 1224 | } |
| 1225 | } else { |
| 1226 | /* not dark or light */ |
| 1227 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1228 | } |
| 1229 | } else { |
| 1230 | /* Flicker control off */ |
| 1231 | if (old_exposure >= MAX_EXP && exp_acc < dark_exp) { |
| 1232 | /* dark */ |
| 1233 | if (exp_acc < very_dark_exp) { |
| 1234 | /* very dark */ |
| 1235 | if (sd->exposure_status == EXPOSURE_VERY_DARK) |
| 1236 | ++sd->exposure_count; |
| 1237 | else { |
| 1238 | sd->exposure_status = |
| 1239 | EXPOSURE_VERY_DARK; |
| 1240 | sd->exposure_count = 1; |
| 1241 | } |
| 1242 | } else { |
| 1243 | /* just dark */ |
| 1244 | if (sd->exposure_status == EXPOSURE_DARK) |
| 1245 | ++sd->exposure_count; |
| 1246 | else { |
| 1247 | sd->exposure_status = EXPOSURE_DARK; |
| 1248 | sd->exposure_count = 1; |
| 1249 | } |
| 1250 | } |
| 1251 | } else if (old_exposure <= LOW_EXP || exp_acc > light_exp) { |
| 1252 | /* light */ |
| 1253 | if (old_exposure <= VERY_LOW_EXP) { |
| 1254 | /* very light */ |
| 1255 | if (sd->exposure_status == EXPOSURE_VERY_LIGHT) |
| 1256 | ++sd->exposure_count; |
| 1257 | else { |
| 1258 | sd->exposure_status = |
| 1259 | EXPOSURE_VERY_LIGHT; |
| 1260 | sd->exposure_count = 1; |
| 1261 | } |
| 1262 | } else { |
| 1263 | /* just light */ |
| 1264 | if (sd->exposure_status == EXPOSURE_LIGHT) |
| 1265 | ++sd->exposure_count; |
| 1266 | else { |
| 1267 | sd->exposure_status = EXPOSURE_LIGHT; |
| 1268 | sd->exposure_count = 1; |
| 1269 | } |
| 1270 | } |
| 1271 | } else { |
| 1272 | /* not dark or light */ |
| 1273 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1274 | } |
| 1275 | } |
| 1276 | |
| 1277 | framerate = atomic_read(&sd->fps); |
| 1278 | if (framerate > 30 || framerate < 1) |
| 1279 | framerate = 1; |
| 1280 | |
| 1281 | if (!sd->params.flickerControl.disabled) { |
| 1282 | /* Flicker control on */ |
| 1283 | if ((sd->exposure_status == EXPOSURE_VERY_DARK || |
| 1284 | sd->exposure_status == EXPOSURE_DARK) && |
| 1285 | sd->exposure_count >= DARK_TIME * framerate && |
Hans de Goede | 76fafe7 | 2011-02-21 11:30:30 -0300 | [diff] [blame] | 1286 | sd->params.sensorFps.divisor < 2) { |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1287 | |
| 1288 | /* dark for too long */ |
| 1289 | ++sd->params.sensorFps.divisor; |
| 1290 | setfps = 1; |
| 1291 | |
| 1292 | sd->params.flickerControl.coarseJump = |
| 1293 | flicker_jumps[sd->mainsFreq] |
| 1294 | [sd->params.sensorFps.baserate] |
| 1295 | [sd->params.sensorFps.divisor]; |
| 1296 | setflicker = 1; |
| 1297 | |
| 1298 | new_exposure = sd->params.flickerControl.coarseJump-1; |
| 1299 | while (new_exposure < old_exposure / 2) |
| 1300 | new_exposure += |
| 1301 | sd->params.flickerControl.coarseJump; |
| 1302 | sd->params.exposure.coarseExpLo = new_exposure & 0xff; |
| 1303 | sd->params.exposure.coarseExpHi = new_exposure >> 8; |
| 1304 | setexp = 1; |
| 1305 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1306 | PDEBUG(D_CONF, "Automatically decreasing sensor_fps"); |
| 1307 | |
| 1308 | } else if ((sd->exposure_status == EXPOSURE_VERY_LIGHT || |
| 1309 | sd->exposure_status == EXPOSURE_LIGHT) && |
| 1310 | sd->exposure_count >= LIGHT_TIME * framerate && |
| 1311 | sd->params.sensorFps.divisor > 0) { |
| 1312 | |
| 1313 | /* light for too long */ |
| 1314 | int max_exp = FIRMWARE_VERSION(1, 2) ? MAX_EXP_102 : |
| 1315 | MAX_EXP; |
| 1316 | --sd->params.sensorFps.divisor; |
| 1317 | setfps = 1; |
| 1318 | |
| 1319 | sd->params.flickerControl.coarseJump = |
| 1320 | flicker_jumps[sd->mainsFreq] |
| 1321 | [sd->params.sensorFps.baserate] |
| 1322 | [sd->params.sensorFps.divisor]; |
| 1323 | setflicker = 1; |
| 1324 | |
| 1325 | new_exposure = sd->params.flickerControl.coarseJump-1; |
| 1326 | while (new_exposure < 2 * old_exposure && |
| 1327 | new_exposure + |
| 1328 | sd->params.flickerControl.coarseJump < max_exp) |
| 1329 | new_exposure += |
| 1330 | sd->params.flickerControl.coarseJump; |
| 1331 | sd->params.exposure.coarseExpLo = new_exposure & 0xff; |
| 1332 | sd->params.exposure.coarseExpHi = new_exposure >> 8; |
| 1333 | setexp = 1; |
| 1334 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1335 | PDEBUG(D_CONF, "Automatically increasing sensor_fps"); |
| 1336 | } |
| 1337 | } else { |
| 1338 | /* Flicker control off */ |
| 1339 | if ((sd->exposure_status == EXPOSURE_VERY_DARK || |
| 1340 | sd->exposure_status == EXPOSURE_DARK) && |
| 1341 | sd->exposure_count >= DARK_TIME * framerate && |
Hans de Goede | 76fafe7 | 2011-02-21 11:30:30 -0300 | [diff] [blame] | 1342 | sd->params.sensorFps.divisor < 2) { |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1343 | |
| 1344 | /* dark for too long */ |
| 1345 | ++sd->params.sensorFps.divisor; |
| 1346 | setfps = 1; |
| 1347 | |
| 1348 | if (sd->params.exposure.gain > 0) { |
| 1349 | --sd->params.exposure.gain; |
| 1350 | setexp = 1; |
| 1351 | } |
| 1352 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1353 | PDEBUG(D_CONF, "Automatically decreasing sensor_fps"); |
| 1354 | |
| 1355 | } else if ((sd->exposure_status == EXPOSURE_VERY_LIGHT || |
| 1356 | sd->exposure_status == EXPOSURE_LIGHT) && |
| 1357 | sd->exposure_count >= LIGHT_TIME * framerate && |
| 1358 | sd->params.sensorFps.divisor > 0) { |
| 1359 | |
| 1360 | /* light for too long */ |
| 1361 | --sd->params.sensorFps.divisor; |
| 1362 | setfps = 1; |
| 1363 | |
| 1364 | if (sd->params.exposure.gain < |
| 1365 | sd->params.exposure.gainMode - 1) { |
| 1366 | ++sd->params.exposure.gain; |
| 1367 | setexp = 1; |
| 1368 | } |
| 1369 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1370 | PDEBUG(D_CONF, "Automatically increasing sensor_fps"); |
| 1371 | } |
| 1372 | } |
| 1373 | |
| 1374 | if (setexp) |
| 1375 | command_setexposure(gspca_dev); |
| 1376 | |
| 1377 | if (setfps) |
| 1378 | command_setsensorfps(gspca_dev); |
| 1379 | |
| 1380 | if (setflicker) |
| 1381 | command_setflickerctrl(gspca_dev); |
| 1382 | } |
| 1383 | |
| 1384 | /*-----------------------------------------------------------------*/ |
| 1385 | /* if flicker is switched off, this function switches it back on.It checks, |
| 1386 | however, that conditions are suitable before restarting it. |
| 1387 | This should only be called for firmware version 1.2. |
| 1388 | |
| 1389 | It also adjust the colour balance when an exposure step is detected - as |
| 1390 | long as flicker is running |
| 1391 | */ |
| 1392 | static void restart_flicker(struct gspca_dev *gspca_dev) |
| 1393 | { |
| 1394 | struct sd *sd = (struct sd *) gspca_dev; |
| 1395 | int cam_exposure, old_exp; |
| 1396 | |
| 1397 | if (!FIRMWARE_VERSION(1, 2)) |
| 1398 | return; |
| 1399 | |
| 1400 | cam_exposure = atomic_read(&sd->cam_exposure); |
| 1401 | |
| 1402 | if (sd->params.flickerControl.flickerMode == 0 || |
| 1403 | cam_exposure == 0) |
| 1404 | return; |
| 1405 | |
| 1406 | old_exp = sd->params.exposure.coarseExpLo + |
| 1407 | sd->params.exposure.coarseExpHi*256; |
| 1408 | /* |
| 1409 | see how far away camera exposure is from a valid |
| 1410 | flicker exposure value |
| 1411 | */ |
| 1412 | cam_exposure %= sd->params.flickerControl.coarseJump; |
| 1413 | if (!sd->params.flickerControl.disabled && |
| 1414 | cam_exposure <= sd->params.flickerControl.coarseJump - 3) { |
| 1415 | /* Flicker control auto-disabled */ |
| 1416 | sd->params.flickerControl.disabled = 1; |
| 1417 | } |
| 1418 | |
| 1419 | if (sd->params.flickerControl.disabled && |
| 1420 | old_exp > sd->params.flickerControl.coarseJump + |
| 1421 | ROUND_UP_EXP_FOR_FLICKER) { |
| 1422 | /* exposure is now high enough to switch |
| 1423 | flicker control back on */ |
| 1424 | set_flicker(gspca_dev, 1, 1); |
| 1425 | } |
| 1426 | } |
| 1427 | |
| 1428 | /* this function is called at probe time */ |
| 1429 | static int sd_config(struct gspca_dev *gspca_dev, |
| 1430 | const struct usb_device_id *id) |
| 1431 | { |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1432 | struct sd *sd = (struct sd *) gspca_dev; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1433 | struct cam *cam; |
| 1434 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1435 | sd->mainsFreq = FREQ_DEF == V4L2_CID_POWER_LINE_FREQUENCY_60HZ; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1436 | reset_camera_params(gspca_dev); |
| 1437 | |
| 1438 | PDEBUG(D_PROBE, "cpia CPiA camera detected (vid/pid 0x%04X:0x%04X)", |
| 1439 | id->idVendor, id->idProduct); |
| 1440 | |
| 1441 | cam = &gspca_dev->cam; |
| 1442 | cam->cam_mode = mode; |
| 1443 | cam->nmodes = ARRAY_SIZE(mode); |
| 1444 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1445 | goto_low_power(gspca_dev); |
| 1446 | /* Check the firmware version. */ |
| 1447 | sd->params.version.firmwareVersion = 0; |
| 1448 | get_version_information(gspca_dev); |
| 1449 | if (sd->params.version.firmwareVersion != 1) { |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 1450 | PERR("only firmware version 1 is supported (got: %d)", |
| 1451 | sd->params.version.firmwareVersion); |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1452 | return -ENODEV; |
| 1453 | } |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1454 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1455 | /* A bug in firmware 1-02 limits gainMode to 2 */ |
| 1456 | if (sd->params.version.firmwareRevision <= 2 && |
| 1457 | sd->params.exposure.gainMode > 2) { |
| 1458 | sd->params.exposure.gainMode = 2; |
| 1459 | } |
| 1460 | |
| 1461 | /* set QX3 detected flag */ |
| 1462 | sd->params.qx3.qx3_detected = (sd->params.pnpID.vendor == 0x0813 && |
| 1463 | sd->params.pnpID.product == 0x0001); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1464 | return 0; |
| 1465 | } |
| 1466 | |
| 1467 | /* -- start the camera -- */ |
| 1468 | static int sd_start(struct gspca_dev *gspca_dev) |
| 1469 | { |
| 1470 | struct sd *sd = (struct sd *) gspca_dev; |
| 1471 | int priv, ret; |
| 1472 | |
| 1473 | /* Start the camera in low power mode */ |
| 1474 | if (goto_low_power(gspca_dev)) { |
| 1475 | if (sd->params.status.systemState != WARM_BOOT_STATE) { |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 1476 | PERR("unexpected systemstate: %02x", |
| 1477 | sd->params.status.systemState); |
| 1478 | printstatus(gspca_dev, &sd->params); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1479 | return -ENODEV; |
| 1480 | } |
| 1481 | |
| 1482 | /* FIXME: this is just dirty trial and error */ |
| 1483 | ret = goto_high_power(gspca_dev); |
| 1484 | if (ret) |
| 1485 | return ret; |
| 1486 | |
| 1487 | ret = do_command(gspca_dev, CPIA_COMMAND_DiscardFrame, |
| 1488 | 0, 0, 0, 0); |
| 1489 | if (ret) |
| 1490 | return ret; |
| 1491 | |
| 1492 | ret = goto_low_power(gspca_dev); |
| 1493 | if (ret) |
| 1494 | return ret; |
| 1495 | } |
| 1496 | |
| 1497 | /* procedure described in developer's guide p3-28 */ |
| 1498 | |
| 1499 | /* Check the firmware version. */ |
| 1500 | sd->params.version.firmwareVersion = 0; |
| 1501 | get_version_information(gspca_dev); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1502 | |
| 1503 | /* The fatal error checking should be done after |
| 1504 | * the camera powers up (developer's guide p 3-38) */ |
| 1505 | |
| 1506 | /* Set streamState before transition to high power to avoid bug |
| 1507 | * in firmware 1-02 */ |
| 1508 | ret = do_command(gspca_dev, CPIA_COMMAND_ModifyCameraStatus, |
| 1509 | STREAMSTATE, 0, STREAM_NOT_READY, 0); |
| 1510 | if (ret) |
| 1511 | return ret; |
| 1512 | |
| 1513 | /* GotoHiPower */ |
| 1514 | ret = goto_high_power(gspca_dev); |
| 1515 | if (ret) |
| 1516 | return ret; |
| 1517 | |
| 1518 | /* Check the camera status */ |
| 1519 | ret = do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
| 1520 | if (ret) |
| 1521 | return ret; |
| 1522 | |
| 1523 | if (sd->params.status.fatalError) { |
Theodore Kilgore | c93396e | 2013-02-04 13:17:55 -0300 | [diff] [blame] | 1524 | PERR("fatal_error: %04x, vp_status: %04x", |
| 1525 | sd->params.status.fatalError, sd->params.status.vpStatus); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1526 | return -EIO; |
| 1527 | } |
| 1528 | |
| 1529 | /* VPVersion can't be retrieved before the camera is in HiPower, |
| 1530 | * so get it here instead of in get_version_information. */ |
| 1531 | ret = do_command(gspca_dev, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); |
| 1532 | if (ret) |
| 1533 | return ret; |
| 1534 | |
| 1535 | /* Determine video mode settings */ |
| 1536 | sd->params.streamStartLine = 120; |
| 1537 | |
| 1538 | priv = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; |
| 1539 | if (priv & 0x01) { /* crop */ |
| 1540 | sd->params.roi.colStart = 2; |
| 1541 | sd->params.roi.rowStart = 6; |
| 1542 | } else { |
| 1543 | sd->params.roi.colStart = 0; |
| 1544 | sd->params.roi.rowStart = 0; |
| 1545 | } |
| 1546 | |
| 1547 | if (priv & 0x02) { /* quarter */ |
| 1548 | sd->params.format.videoSize = VIDEOSIZE_QCIF; |
| 1549 | sd->params.roi.colStart /= 2; |
| 1550 | sd->params.roi.rowStart /= 2; |
| 1551 | sd->params.streamStartLine /= 2; |
| 1552 | } else |
| 1553 | sd->params.format.videoSize = VIDEOSIZE_CIF; |
| 1554 | |
| 1555 | sd->params.roi.colEnd = sd->params.roi.colStart + |
Ondrej Zary | 1966bc2 | 2013-08-30 17:54:23 -0300 | [diff] [blame] | 1556 | (gspca_dev->pixfmt.width >> 3); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1557 | sd->params.roi.rowEnd = sd->params.roi.rowStart + |
Ondrej Zary | 1966bc2 | 2013-08-30 17:54:23 -0300 | [diff] [blame] | 1558 | (gspca_dev->pixfmt.height >> 2); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1559 | |
| 1560 | /* And now set the camera to a known state */ |
| 1561 | ret = do_command(gspca_dev, CPIA_COMMAND_SetGrabMode, |
| 1562 | CPIA_GRAB_CONTINEOUS, 0, 0, 0); |
| 1563 | if (ret) |
| 1564 | return ret; |
| 1565 | /* We start with compression disabled, as we need one uncompressed |
| 1566 | frame to handle later compressed frames */ |
| 1567 | ret = do_command(gspca_dev, CPIA_COMMAND_SetCompression, |
| 1568 | CPIA_COMPRESSION_NONE, |
| 1569 | NO_DECIMATION, 0, 0); |
| 1570 | if (ret) |
| 1571 | return ret; |
| 1572 | ret = command_setcompressiontarget(gspca_dev); |
| 1573 | if (ret) |
| 1574 | return ret; |
| 1575 | ret = command_setcolourparams(gspca_dev); |
| 1576 | if (ret) |
| 1577 | return ret; |
| 1578 | ret = command_setformat(gspca_dev); |
| 1579 | if (ret) |
| 1580 | return ret; |
| 1581 | ret = command_setyuvtresh(gspca_dev); |
| 1582 | if (ret) |
| 1583 | return ret; |
| 1584 | ret = command_setecptiming(gspca_dev); |
| 1585 | if (ret) |
| 1586 | return ret; |
| 1587 | ret = command_setcompressionparams(gspca_dev); |
| 1588 | if (ret) |
| 1589 | return ret; |
| 1590 | ret = command_setexposure(gspca_dev); |
| 1591 | if (ret) |
| 1592 | return ret; |
| 1593 | ret = command_setcolourbalance(gspca_dev); |
| 1594 | if (ret) |
| 1595 | return ret; |
| 1596 | ret = command_setsensorfps(gspca_dev); |
| 1597 | if (ret) |
| 1598 | return ret; |
| 1599 | ret = command_setapcor(gspca_dev); |
| 1600 | if (ret) |
| 1601 | return ret; |
| 1602 | ret = command_setflickerctrl(gspca_dev); |
| 1603 | if (ret) |
| 1604 | return ret; |
| 1605 | ret = command_setvloffset(gspca_dev); |
| 1606 | if (ret) |
| 1607 | return ret; |
| 1608 | |
| 1609 | /* Start stream */ |
| 1610 | ret = command_resume(gspca_dev); |
| 1611 | if (ret) |
| 1612 | return ret; |
| 1613 | |
| 1614 | /* Wait 6 frames before turning compression on for the sensor to get |
| 1615 | all settings and AEC/ACB to settle */ |
| 1616 | sd->first_frame = 6; |
| 1617 | sd->exposure_status = EXPOSURE_NORMAL; |
| 1618 | sd->exposure_count = 0; |
| 1619 | atomic_set(&sd->cam_exposure, 0); |
| 1620 | atomic_set(&sd->fps, 0); |
| 1621 | |
| 1622 | return 0; |
| 1623 | } |
| 1624 | |
| 1625 | static void sd_stopN(struct gspca_dev *gspca_dev) |
| 1626 | { |
Arnd Bergmann | d7e92e1 | 2016-07-04 10:21:40 -0300 | [diff] [blame] | 1627 | struct sd *sd __maybe_unused = (struct sd *) gspca_dev; |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 1628 | |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1629 | command_pause(gspca_dev); |
| 1630 | |
| 1631 | /* save camera state for later open (developers guide ch 3.5.3) */ |
| 1632 | save_camera_state(gspca_dev); |
| 1633 | |
| 1634 | /* GotoLoPower */ |
| 1635 | goto_low_power(gspca_dev); |
| 1636 | |
| 1637 | /* Update the camera status */ |
| 1638 | do_command(gspca_dev, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 1639 | |
Peter Senna Tschudin | a3f6ce6 | 2013-01-24 19:28:58 -0300 | [diff] [blame] | 1640 | #if IS_ENABLED(CONFIG_INPUT) |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 1641 | /* If the last button state is pressed, release it now! */ |
| 1642 | if (sd->params.qx3.button) { |
| 1643 | /* The camera latch will hold the pressed state until we reset |
| 1644 | the latch, so we do not reset sd->params.qx3.button now, to |
| 1645 | avoid a false keypress being reported the next sd_start */ |
| 1646 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); |
| 1647 | input_sync(gspca_dev->input_dev); |
| 1648 | } |
| 1649 | #endif |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1650 | } |
| 1651 | |
| 1652 | /* this function is called at probe and resume time */ |
| 1653 | static int sd_init(struct gspca_dev *gspca_dev) |
| 1654 | { |
| 1655 | struct sd *sd = (struct sd *) gspca_dev; |
| 1656 | int ret; |
| 1657 | |
| 1658 | /* Start / Stop the camera to make sure we are talking to |
| 1659 | a supported camera, and to get some information from it |
| 1660 | to print. */ |
| 1661 | ret = sd_start(gspca_dev); |
| 1662 | if (ret) |
| 1663 | return ret; |
| 1664 | |
Andy Walls | 47399d9 | 2010-09-12 14:45:21 -0300 | [diff] [blame] | 1665 | /* Ensure the QX3 illuminators' states are restored upon resume, |
| 1666 | or disable the illuminator controls, if this isn't a QX3 */ |
Andy Walls | c67be3c | 2010-09-12 14:45:18 -0300 | [diff] [blame] | 1667 | if (sd->params.qx3.qx3_detected) |
| 1668 | command_setlights(gspca_dev); |
| 1669 | |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1670 | sd_stopN(gspca_dev); |
| 1671 | |
| 1672 | PDEBUG(D_PROBE, "CPIA Version: %d.%02d (%d.%d)", |
| 1673 | sd->params.version.firmwareVersion, |
| 1674 | sd->params.version.firmwareRevision, |
| 1675 | sd->params.version.vcVersion, |
| 1676 | sd->params.version.vcRevision); |
| 1677 | PDEBUG(D_PROBE, "CPIA PnP-ID: %04x:%04x:%04x", |
| 1678 | sd->params.pnpID.vendor, sd->params.pnpID.product, |
| 1679 | sd->params.pnpID.deviceRevision); |
| 1680 | PDEBUG(D_PROBE, "VP-Version: %d.%d %04x", |
| 1681 | sd->params.vpVersion.vpVersion, |
| 1682 | sd->params.vpVersion.vpRevision, |
| 1683 | sd->params.vpVersion.cameraHeadID); |
| 1684 | |
| 1685 | return 0; |
| 1686 | } |
| 1687 | |
| 1688 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
| 1689 | u8 *data, |
| 1690 | int len) |
| 1691 | { |
| 1692 | struct sd *sd = (struct sd *) gspca_dev; |
| 1693 | |
| 1694 | /* Check for SOF */ |
| 1695 | if (len >= 64 && |
| 1696 | data[0] == MAGIC_0 && data[1] == MAGIC_1 && |
| 1697 | data[16] == sd->params.format.videoSize && |
| 1698 | data[17] == sd->params.format.subSample && |
| 1699 | data[18] == sd->params.format.yuvOrder && |
| 1700 | data[24] == sd->params.roi.colStart && |
| 1701 | data[25] == sd->params.roi.colEnd && |
| 1702 | data[26] == sd->params.roi.rowStart && |
| 1703 | data[27] == sd->params.roi.rowEnd) { |
Jean-François Moine | b192ca9 | 2010-06-27 03:08:19 -0300 | [diff] [blame] | 1704 | u8 *image; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1705 | |
| 1706 | atomic_set(&sd->cam_exposure, data[39] * 2); |
| 1707 | atomic_set(&sd->fps, data[41]); |
| 1708 | |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1709 | /* Check for proper EOF for last frame */ |
Jean-François Moine | f7059ea | 2010-07-06 04:32:27 -0300 | [diff] [blame] | 1710 | image = gspca_dev->image; |
| 1711 | if (image != NULL && |
| 1712 | gspca_dev->image_len > 4 && |
Jean-François Moine | b192ca9 | 2010-06-27 03:08:19 -0300 | [diff] [blame] | 1713 | image[gspca_dev->image_len - 4] == 0xff && |
| 1714 | image[gspca_dev->image_len - 3] == 0xff && |
| 1715 | image[gspca_dev->image_len - 2] == 0xff && |
| 1716 | image[gspca_dev->image_len - 1] == 0xff) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1717 | gspca_frame_add(gspca_dev, LAST_PACKET, |
| 1718 | NULL, 0); |
| 1719 | |
| 1720 | gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); |
| 1721 | return; |
| 1722 | } |
| 1723 | |
| 1724 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); |
| 1725 | } |
| 1726 | |
| 1727 | static void sd_dq_callback(struct gspca_dev *gspca_dev) |
| 1728 | { |
| 1729 | struct sd *sd = (struct sd *) gspca_dev; |
| 1730 | |
| 1731 | /* Set the normal compression settings once we have captured a |
| 1732 | few uncompressed frames (and AEC has hopefully settled) */ |
| 1733 | if (sd->first_frame) { |
| 1734 | sd->first_frame--; |
| 1735 | if (sd->first_frame == 0) |
| 1736 | command_setcompression(gspca_dev); |
| 1737 | } |
| 1738 | |
| 1739 | /* Switch flicker control back on if it got turned off */ |
| 1740 | restart_flicker(gspca_dev); |
| 1741 | |
| 1742 | /* If AEC is enabled, monitor the exposure and |
| 1743 | adjust the sensor frame rate if needed */ |
| 1744 | if (sd->params.exposure.expMode == 2) |
| 1745 | monitor_exposure(gspca_dev); |
| 1746 | |
| 1747 | /* Update our knowledge of the camera state */ |
| 1748 | do_command(gspca_dev, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 1749 | do_command(gspca_dev, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1750 | } |
| 1751 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1752 | static int sd_s_ctrl(struct v4l2_ctrl *ctrl) |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1753 | { |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1754 | struct gspca_dev *gspca_dev = |
| 1755 | container_of(ctrl->handler, struct gspca_dev, ctrl_handler); |
| 1756 | struct sd *sd = (struct sd *)gspca_dev; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1757 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1758 | gspca_dev->usb_err = 0; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1759 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1760 | if (!gspca_dev->streaming && ctrl->id != V4L2_CID_POWER_LINE_FREQUENCY) |
| 1761 | return 0; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1762 | |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1763 | switch (ctrl->id) { |
| 1764 | case V4L2_CID_BRIGHTNESS: |
| 1765 | sd->params.colourParams.brightness = ctrl->val; |
| 1766 | sd->params.flickerControl.allowableOverExposure = |
| 1767 | find_over_exposure(sd->params.colourParams.brightness); |
| 1768 | gspca_dev->usb_err = command_setcolourparams(gspca_dev); |
| 1769 | if (!gspca_dev->usb_err) |
| 1770 | gspca_dev->usb_err = command_setflickerctrl(gspca_dev); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1771 | break; |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1772 | case V4L2_CID_CONTRAST: |
| 1773 | sd->params.colourParams.contrast = ctrl->val; |
| 1774 | gspca_dev->usb_err = command_setcolourparams(gspca_dev); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1775 | break; |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1776 | case V4L2_CID_SATURATION: |
| 1777 | sd->params.colourParams.saturation = ctrl->val; |
| 1778 | gspca_dev->usb_err = command_setcolourparams(gspca_dev); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1779 | break; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1780 | case V4L2_CID_POWER_LINE_FREQUENCY: |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1781 | sd->mainsFreq = ctrl->val == V4L2_CID_POWER_LINE_FREQUENCY_60HZ; |
| 1782 | sd->params.flickerControl.coarseJump = |
| 1783 | flicker_jumps[sd->mainsFreq] |
| 1784 | [sd->params.sensorFps.baserate] |
| 1785 | [sd->params.sensorFps.divisor]; |
| 1786 | |
| 1787 | gspca_dev->usb_err = set_flicker(gspca_dev, |
| 1788 | ctrl->val != V4L2_CID_POWER_LINE_FREQUENCY_DISABLED, |
| 1789 | gspca_dev->streaming); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1790 | break; |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1791 | case V4L2_CID_ILLUMINATORS_1: |
| 1792 | sd->params.qx3.bottomlight = ctrl->val; |
| 1793 | gspca_dev->usb_err = command_setlights(gspca_dev); |
| 1794 | break; |
| 1795 | case V4L2_CID_ILLUMINATORS_2: |
| 1796 | sd->params.qx3.toplight = ctrl->val; |
| 1797 | gspca_dev->usb_err = command_setlights(gspca_dev); |
| 1798 | break; |
| 1799 | case CPIA1_CID_COMP_TARGET: |
| 1800 | sd->params.compressionTarget.frTargeting = ctrl->val; |
| 1801 | gspca_dev->usb_err = command_setcompressiontarget(gspca_dev); |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1802 | break; |
| 1803 | } |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1804 | return gspca_dev->usb_err; |
| 1805 | } |
| 1806 | |
| 1807 | static const struct v4l2_ctrl_ops sd_ctrl_ops = { |
| 1808 | .s_ctrl = sd_s_ctrl, |
| 1809 | }; |
| 1810 | |
| 1811 | static int sd_init_controls(struct gspca_dev *gspca_dev) |
| 1812 | { |
| 1813 | struct sd *sd = (struct sd *)gspca_dev; |
| 1814 | struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; |
| 1815 | static const char * const comp_target_menu[] = { |
| 1816 | "Quality", |
| 1817 | "Framerate", |
| 1818 | NULL |
| 1819 | }; |
| 1820 | static const struct v4l2_ctrl_config comp_target = { |
| 1821 | .ops = &sd_ctrl_ops, |
| 1822 | .id = CPIA1_CID_COMP_TARGET, |
| 1823 | .type = V4L2_CTRL_TYPE_MENU, |
| 1824 | .name = "Compression Target", |
| 1825 | .qmenu = comp_target_menu, |
| 1826 | .max = 1, |
| 1827 | .def = COMP_TARGET_DEF, |
| 1828 | }; |
| 1829 | |
| 1830 | gspca_dev->vdev.ctrl_handler = hdl; |
| 1831 | v4l2_ctrl_handler_init(hdl, 7); |
| 1832 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 1833 | V4L2_CID_BRIGHTNESS, 0, 100, 1, BRIGHTNESS_DEF); |
| 1834 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 1835 | V4L2_CID_CONTRAST, 0, 96, 8, CONTRAST_DEF); |
| 1836 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 1837 | V4L2_CID_SATURATION, 0, 100, 1, SATURATION_DEF); |
| 1838 | sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops, |
| 1839 | V4L2_CID_POWER_LINE_FREQUENCY, |
| 1840 | V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, |
| 1841 | FREQ_DEF); |
| 1842 | if (sd->params.qx3.qx3_detected) { |
| 1843 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 1844 | V4L2_CID_ILLUMINATORS_1, 0, 1, 1, |
| 1845 | ILLUMINATORS_1_DEF); |
| 1846 | v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| 1847 | V4L2_CID_ILLUMINATORS_2, 0, 1, 1, |
| 1848 | ILLUMINATORS_2_DEF); |
| 1849 | } |
| 1850 | v4l2_ctrl_new_custom(hdl, &comp_target, NULL); |
| 1851 | |
| 1852 | if (hdl->error) { |
| 1853 | pr_err("Could not initialize controls\n"); |
| 1854 | return hdl->error; |
| 1855 | } |
| 1856 | return 0; |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1857 | } |
| 1858 | |
| 1859 | /* sub-driver description */ |
| 1860 | static const struct sd_desc sd_desc = { |
| 1861 | .name = MODULE_NAME, |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1862 | .config = sd_config, |
| 1863 | .init = sd_init, |
Hans Verkuil | 1bfea3e | 2012-05-14 04:54:13 -0300 | [diff] [blame] | 1864 | .init_controls = sd_init_controls, |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1865 | .start = sd_start, |
| 1866 | .stopN = sd_stopN, |
| 1867 | .dq_callback = sd_dq_callback, |
| 1868 | .pkt_scan = sd_pkt_scan, |
Peter Senna Tschudin | a3f6ce6 | 2013-01-24 19:28:58 -0300 | [diff] [blame] | 1869 | #if IS_ENABLED(CONFIG_INPUT) |
Hans de Goede | c2f644a | 2011-03-13 12:26:14 -0300 | [diff] [blame] | 1870 | .other_input = 1, |
| 1871 | #endif |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1872 | }; |
| 1873 | |
| 1874 | /* -- module initialisation -- */ |
Jean-François Moine | 95c967c | 2011-01-13 05:20:29 -0300 | [diff] [blame] | 1875 | static const struct usb_device_id device_table[] = { |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1876 | {USB_DEVICE(0x0553, 0x0002)}, |
| 1877 | {USB_DEVICE(0x0813, 0x0001)}, |
| 1878 | {} |
| 1879 | }; |
| 1880 | MODULE_DEVICE_TABLE(usb, device_table); |
| 1881 | |
| 1882 | /* -- device connect -- */ |
| 1883 | static int sd_probe(struct usb_interface *intf, |
| 1884 | const struct usb_device_id *id) |
| 1885 | { |
| 1886 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
| 1887 | THIS_MODULE); |
| 1888 | } |
| 1889 | |
| 1890 | static struct usb_driver sd_driver = { |
| 1891 | .name = MODULE_NAME, |
| 1892 | .id_table = device_table, |
| 1893 | .probe = sd_probe, |
| 1894 | .disconnect = gspca_disconnect, |
| 1895 | #ifdef CONFIG_PM |
| 1896 | .suspend = gspca_suspend, |
| 1897 | .resume = gspca_resume, |
Hans de Goede | 8bb5896 | 2012-06-30 06:44:47 -0300 | [diff] [blame] | 1898 | .reset_resume = gspca_resume, |
Hans de Goede | 54e8bc5 | 2010-01-14 09:37:18 -0300 | [diff] [blame] | 1899 | #endif |
| 1900 | }; |
| 1901 | |
Greg Kroah-Hartman | ecb3b2b | 2011-11-18 09:46:12 -0800 | [diff] [blame] | 1902 | module_usb_driver(sd_driver); |