Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * cpia CPiA driver |
| 3 | * |
| 4 | * Supports CPiA based Video Camera's. |
| 5 | * |
| 6 | * (C) Copyright 1999-2000 Peter Pregler |
| 7 | * (C) Copyright 1999-2000 Scott J. Bertin |
| 8 | * (C) Copyright 1999-2000 Johannes Erdfelt <johannes@erdfelt.com> |
| 9 | * (C) Copyright 2000 STMicroelectronics |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | */ |
| 25 | |
| 26 | /* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 27 | /* #define _CPIA_DEBUG_ 1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | #include <linux/config.h> |
| 30 | |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/moduleparam.h> |
| 33 | #include <linux/init.h> |
| 34 | #include <linux/fs.h> |
| 35 | #include <linux/vmalloc.h> |
| 36 | #include <linux/slab.h> |
| 37 | #include <linux/proc_fs.h> |
| 38 | #include <linux/ctype.h> |
| 39 | #include <linux/pagemap.h> |
| 40 | #include <linux/delay.h> |
| 41 | #include <asm/io.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 42 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
| 44 | #ifdef CONFIG_KMOD |
| 45 | #include <linux/kmod.h> |
| 46 | #endif |
| 47 | |
| 48 | #include "cpia.h" |
| 49 | |
| 50 | #ifdef CONFIG_VIDEO_CPIA_PP |
| 51 | extern int cpia_pp_init(void); |
| 52 | #endif |
| 53 | #ifdef CONFIG_VIDEO_CPIA_USB |
| 54 | extern int cpia_usb_init(void); |
| 55 | #endif |
| 56 | |
| 57 | static int video_nr = -1; |
| 58 | |
| 59 | #ifdef MODULE |
| 60 | module_param(video_nr, int, 0); |
Randy Dunlap | 2f8de1a | 2006-03-21 14:53:22 -0300 | [diff] [blame] | 61 | MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfelt.com>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras"); |
| 63 | MODULE_LICENSE("GPL"); |
| 64 | MODULE_SUPPORTED_DEVICE("video"); |
| 65 | #endif |
| 66 | |
| 67 | static unsigned short colorspace_conv = 0; |
| 68 | module_param(colorspace_conv, ushort, 0444); |
| 69 | MODULE_PARM_DESC(colorspace_conv, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 70 | "\n<n> Colorspace conversion:" |
| 71 | "\n0 = disable" |
| 72 | "\n1 = enable" |
| 73 | "\nDefault value is 0" |
| 74 | "\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
| 76 | #define ABOUT "V4L-Driver for Vision CPiA based cameras" |
| 77 | |
| 78 | #ifndef VID_HARDWARE_CPIA |
| 79 | #define VID_HARDWARE_CPIA 24 /* FIXME -> from linux/videodev.h */ |
| 80 | #endif |
| 81 | |
| 82 | #define CPIA_MODULE_CPIA (0<<5) |
| 83 | #define CPIA_MODULE_SYSTEM (1<<5) |
| 84 | #define CPIA_MODULE_VP_CTRL (5<<5) |
| 85 | #define CPIA_MODULE_CAPTURE (6<<5) |
| 86 | #define CPIA_MODULE_DEBUG (7<<5) |
| 87 | |
| 88 | #define INPUT (DATA_IN << 8) |
| 89 | #define OUTPUT (DATA_OUT << 8) |
| 90 | |
| 91 | #define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) |
| 92 | #define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) |
| 93 | #define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) |
| 94 | #define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) |
| 95 | #define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) |
| 96 | #define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) |
| 97 | #define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) |
| 98 | #define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) |
| 99 | |
| 100 | #define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) |
| 101 | #define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) |
| 102 | #define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) |
| 103 | #define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) |
| 104 | #define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) |
| 105 | #define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) |
| 106 | #define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) |
| 107 | #define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) |
| 108 | #define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) |
| 109 | #define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) |
| 110 | #define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) |
| 111 | #define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) |
| 112 | #define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) |
| 113 | |
| 114 | #define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) |
| 115 | #define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) |
| 116 | #define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) |
| 117 | #define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) |
| 118 | #define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) |
| 119 | #define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) |
| 120 | #define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) |
| 121 | #define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) |
| 122 | #define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) |
| 123 | #define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) |
| 124 | #define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) |
| 125 | #define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) |
| 126 | #define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) |
| 127 | #define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) |
| 128 | #define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) |
| 129 | #define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) |
| 130 | #define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) |
| 131 | |
| 132 | #define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) |
| 133 | #define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) |
| 134 | #define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) |
| 135 | #define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) |
| 136 | #define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) |
| 137 | #define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) |
| 138 | #define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) |
| 139 | #define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) |
| 140 | #define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) |
| 141 | #define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) |
| 142 | #define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) |
| 143 | #define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) |
| 144 | #define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) |
| 145 | #define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) |
| 146 | #define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) |
| 147 | |
| 148 | #define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) |
| 149 | #define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) |
| 150 | #define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) |
| 151 | #define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) |
| 152 | #define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) |
| 153 | #define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) |
| 154 | #define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) |
| 155 | #define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) |
| 156 | |
| 157 | enum { |
| 158 | FRAME_READY, /* Ready to grab into */ |
| 159 | FRAME_GRABBING, /* In the process of being grabbed into */ |
| 160 | FRAME_DONE, /* Finished grabbing, but not been synced yet */ |
| 161 | FRAME_UNUSED, /* Unused (no MCAPTURE) */ |
| 162 | }; |
| 163 | |
| 164 | #define COMMAND_NONE 0x0000 |
| 165 | #define COMMAND_SETCOMPRESSION 0x0001 |
| 166 | #define COMMAND_SETCOMPRESSIONTARGET 0x0002 |
| 167 | #define COMMAND_SETCOLOURPARAMS 0x0004 |
| 168 | #define COMMAND_SETFORMAT 0x0008 |
| 169 | #define COMMAND_PAUSE 0x0010 |
| 170 | #define COMMAND_RESUME 0x0020 |
| 171 | #define COMMAND_SETYUVTHRESH 0x0040 |
| 172 | #define COMMAND_SETECPTIMING 0x0080 |
| 173 | #define COMMAND_SETCOMPRESSIONPARAMS 0x0100 |
| 174 | #define COMMAND_SETEXPOSURE 0x0200 |
| 175 | #define COMMAND_SETCOLOURBALANCE 0x0400 |
| 176 | #define COMMAND_SETSENSORFPS 0x0800 |
| 177 | #define COMMAND_SETAPCOR 0x1000 |
| 178 | #define COMMAND_SETFLICKERCTRL 0x2000 |
| 179 | #define COMMAND_SETVLOFFSET 0x4000 |
| 180 | #define COMMAND_SETLIGHTS 0x8000 |
| 181 | |
| 182 | #define ROUND_UP_EXP_FOR_FLICKER 15 |
| 183 | |
| 184 | /* Constants for automatic frame rate adjustment */ |
| 185 | #define MAX_EXP 302 |
| 186 | #define MAX_EXP_102 255 |
| 187 | #define LOW_EXP 140 |
| 188 | #define VERY_LOW_EXP 70 |
| 189 | #define TC 94 |
| 190 | #define EXP_ACC_DARK 50 |
| 191 | #define EXP_ACC_LIGHT 90 |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 192 | #define HIGH_COMP_102 160 |
| 193 | #define MAX_COMP 239 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | #define DARK_TIME 3 |
| 195 | #define LIGHT_TIME 3 |
| 196 | |
| 197 | /* Maximum number of 10ms loops to wait for the stream to become ready */ |
| 198 | #define READY_TIMEOUT 100 |
| 199 | |
| 200 | /* Developer's Guide Table 5 p 3-34 |
| 201 | * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ |
| 202 | static u8 flicker_jumps[2][2][4] = |
| 203 | { { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, |
| 204 | { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } |
| 205 | }; |
| 206 | |
| 207 | /* forward declaration of local function */ |
| 208 | static void reset_camera_struct(struct cam_data *cam); |
| 209 | static int find_over_exposure(int brightness); |
| 210 | static void set_flicker(struct cam_params *params, volatile u32 *command_flags, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 211 | int on); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | |
| 213 | |
| 214 | /********************************************************************** |
| 215 | * |
| 216 | * Memory management |
| 217 | * |
| 218 | **********************************************************************/ |
| 219 | static void *rvmalloc(unsigned long size) |
| 220 | { |
| 221 | void *mem; |
| 222 | unsigned long adr; |
| 223 | |
| 224 | size = PAGE_ALIGN(size); |
| 225 | mem = vmalloc_32(size); |
| 226 | if (!mem) |
| 227 | return NULL; |
| 228 | |
| 229 | memset(mem, 0, size); /* Clear the ram out, no junk to the user */ |
| 230 | adr = (unsigned long) mem; |
| 231 | while (size > 0) { |
| 232 | SetPageReserved(vmalloc_to_page((void *)adr)); |
| 233 | adr += PAGE_SIZE; |
| 234 | size -= PAGE_SIZE; |
| 235 | } |
| 236 | |
| 237 | return mem; |
| 238 | } |
| 239 | |
| 240 | static void rvfree(void *mem, unsigned long size) |
| 241 | { |
| 242 | unsigned long adr; |
| 243 | |
| 244 | if (!mem) |
| 245 | return; |
| 246 | |
| 247 | adr = (unsigned long) mem; |
| 248 | while ((long) size > 0) { |
| 249 | ClearPageReserved(vmalloc_to_page((void *)adr)); |
| 250 | adr += PAGE_SIZE; |
| 251 | size -= PAGE_SIZE; |
| 252 | } |
| 253 | vfree(mem); |
| 254 | } |
| 255 | |
| 256 | /********************************************************************** |
| 257 | * |
| 258 | * /proc interface |
| 259 | * |
| 260 | **********************************************************************/ |
| 261 | #ifdef CONFIG_PROC_FS |
| 262 | static struct proc_dir_entry *cpia_proc_root=NULL; |
| 263 | |
| 264 | static int cpia_read_proc(char *page, char **start, off_t off, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 265 | int count, int *eof, void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | { |
| 267 | char *out = page; |
| 268 | int len, tmp; |
| 269 | struct cam_data *cam = data; |
| 270 | char tmpstr[29]; |
| 271 | |
| 272 | /* IMPORTANT: This output MUST be kept under PAGE_SIZE |
| 273 | * or we need to get more sophisticated. */ |
| 274 | |
| 275 | out += sprintf(out, "read-only\n-----------------------\n"); |
| 276 | out += sprintf(out, "V4L Driver version: %d.%d.%d\n", |
| 277 | CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); |
| 278 | out += sprintf(out, "CPIA Version: %d.%02d (%d.%d)\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 279 | cam->params.version.firmwareVersion, |
| 280 | cam->params.version.firmwareRevision, |
| 281 | cam->params.version.vcVersion, |
| 282 | cam->params.version.vcRevision); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | out += sprintf(out, "CPIA PnP-ID: %04x:%04x:%04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 284 | cam->params.pnpID.vendor, cam->params.pnpID.product, |
| 285 | cam->params.pnpID.deviceRevision); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | out += sprintf(out, "VP-Version: %d.%d %04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 287 | cam->params.vpVersion.vpVersion, |
| 288 | cam->params.vpVersion.vpRevision, |
| 289 | cam->params.vpVersion.cameraHeadID); |
| 290 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | out += sprintf(out, "system_state: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 292 | cam->params.status.systemState); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | out += sprintf(out, "grab_state: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 294 | cam->params.status.grabState); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | out += sprintf(out, "stream_state: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 296 | cam->params.status.streamState); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | out += sprintf(out, "fatal_error: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 298 | cam->params.status.fatalError); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | out += sprintf(out, "cmd_error: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 300 | cam->params.status.cmdError); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | out += sprintf(out, "debug_flags: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 302 | cam->params.status.debugFlags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | out += sprintf(out, "vp_status: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 304 | cam->params.status.vpStatus); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | out += sprintf(out, "error_code: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 306 | cam->params.status.errorCode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | /* QX3 specific entries */ |
| 308 | if (cam->params.qx3.qx3_detected) { |
| 309 | out += sprintf(out, "button: %4d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 310 | cam->params.qx3.button); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | out += sprintf(out, "cradled: %4d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 312 | cam->params.qx3.cradled); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | } |
| 314 | out += sprintf(out, "video_size: %s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 315 | cam->params.format.videoSize == VIDEOSIZE_CIF ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | "CIF " : "QCIF"); |
| 317 | out += sprintf(out, "roi: (%3d, %3d) to (%3d, %3d)\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 318 | cam->params.roi.colStart*8, |
| 319 | cam->params.roi.rowStart*4, |
| 320 | cam->params.roi.colEnd*8, |
| 321 | cam->params.roi.rowEnd*4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | out += sprintf(out, "actual_fps: %3d\n", cam->fps); |
| 323 | out += sprintf(out, "transfer_rate: %4dkB/s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 324 | cam->transfer_rate); |
| 325 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | out += sprintf(out, "\nread-write\n"); |
| 327 | out += sprintf(out, "----------------------- current min" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 328 | " max default comment\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | out += sprintf(out, "brightness: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 330 | cam->params.colourParams.brightness, 0, 100, 50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | if (cam->params.version.firmwareVersion == 1 && |
| 332 | cam->params.version.firmwareRevision == 2) |
| 333 | /* 1-02 firmware limits contrast to 80 */ |
| 334 | tmp = 80; |
| 335 | else |
| 336 | tmp = 96; |
| 337 | |
| 338 | out += sprintf(out, "contrast: %8d %8d %8d %8d" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 339 | " steps of 8\n", |
| 340 | cam->params.colourParams.contrast, 0, tmp, 48); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | out += sprintf(out, "saturation: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 342 | cam->params.colourParams.saturation, 0, 100, 50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | tmp = (25000+5000*cam->params.sensorFps.baserate)/ |
| 344 | (1<<cam->params.sensorFps.divisor); |
| 345 | out += sprintf(out, "sensor_fps: %4d.%03d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 346 | tmp/1000, tmp%1000, 3, 30, 15); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | out += sprintf(out, "stream_start_line: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 348 | 2*cam->params.streamStartLine, 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | cam->params.format.videoSize == VIDEOSIZE_CIF ? 288:144, |
| 350 | cam->params.format.videoSize == VIDEOSIZE_CIF ? 240:120); |
| 351 | out += sprintf(out, "sub_sample: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 352 | cam->params.format.subSample == SUBSAMPLE_420 ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | "420" : "422", "420", "422", "422"); |
| 354 | out += sprintf(out, "yuv_order: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 355 | cam->params.format.yuvOrder == YUVORDER_YUYV ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | "YUYV" : "UYVY", "YUYV" , "UYVY", "YUYV"); |
| 357 | out += sprintf(out, "ecp_timing: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 358 | cam->params.ecpTiming ? "slow" : "normal", "slow", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | "normal", "normal"); |
| 360 | |
| 361 | if (cam->params.colourBalance.balanceMode == 2) { |
| 362 | sprintf(tmpstr, "auto"); |
| 363 | } else { |
| 364 | sprintf(tmpstr, "manual"); |
| 365 | } |
| 366 | out += sprintf(out, "color_balance_mode: %8s %8s %8s" |
| 367 | " %8s\n", tmpstr, "manual", "auto", "auto"); |
| 368 | out += sprintf(out, "red_gain: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 369 | cam->params.colourBalance.redGain, 0, 212, 32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | out += sprintf(out, "green_gain: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 371 | cam->params.colourBalance.greenGain, 0, 212, 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | out += sprintf(out, "blue_gain: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 373 | cam->params.colourBalance.blueGain, 0, 212, 92); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | |
| 375 | if (cam->params.version.firmwareVersion == 1 && |
| 376 | cam->params.version.firmwareRevision == 2) |
| 377 | /* 1-02 firmware limits gain to 2 */ |
| 378 | sprintf(tmpstr, "%8d %8d %8d", 1, 2, 2); |
| 379 | else |
| 380 | sprintf(tmpstr, "%8d %8d %8d", 1, 8, 2); |
| 381 | |
| 382 | if (cam->params.exposure.gainMode == 0) |
| 383 | out += sprintf(out, "max_gain: unknown %28s" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 384 | " powers of 2\n", tmpstr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | else |
| 386 | out += sprintf(out, "max_gain: %8d %28s" |
| 387 | " 1,2,4 or 8 \n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 388 | 1<<(cam->params.exposure.gainMode-1), tmpstr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | |
| 390 | switch(cam->params.exposure.expMode) { |
| 391 | case 1: |
| 392 | case 3: |
| 393 | sprintf(tmpstr, "manual"); |
| 394 | break; |
| 395 | case 2: |
| 396 | sprintf(tmpstr, "auto"); |
| 397 | break; |
| 398 | default: |
| 399 | sprintf(tmpstr, "unknown"); |
| 400 | break; |
| 401 | } |
| 402 | out += sprintf(out, "exposure_mode: %8s %8s %8s" |
| 403 | " %8s\n", tmpstr, "manual", "auto", "auto"); |
| 404 | out += sprintf(out, "centre_weight: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 405 | (2-cam->params.exposure.centreWeight) ? "on" : "off", |
| 406 | "off", "on", "on"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | out += sprintf(out, "gain: %8d %8d max_gain %8d 1,2,4,8 possible\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 408 | 1<<cam->params.exposure.gain, 1, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | if (cam->params.version.firmwareVersion == 1 && |
| 410 | cam->params.version.firmwareRevision == 2) |
| 411 | /* 1-02 firmware limits fineExp/2 to 127 */ |
| 412 | tmp = 254; |
| 413 | else |
| 414 | tmp = 510; |
| 415 | |
| 416 | out += sprintf(out, "fine_exp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 417 | cam->params.exposure.fineExp*2, 0, tmp, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | if (cam->params.version.firmwareVersion == 1 && |
| 419 | cam->params.version.firmwareRevision == 2) |
| 420 | /* 1-02 firmware limits coarseExpHi to 0 */ |
| 421 | tmp = MAX_EXP_102; |
| 422 | else |
| 423 | tmp = MAX_EXP; |
| 424 | |
| 425 | out += sprintf(out, "coarse_exp: %8d %8d %8d" |
| 426 | " %8d\n", cam->params.exposure.coarseExpLo+ |
| 427 | 256*cam->params.exposure.coarseExpHi, 0, tmp, 185); |
| 428 | out += sprintf(out, "red_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 429 | cam->params.exposure.redComp, COMP_RED, 255, COMP_RED); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | out += sprintf(out, "green1_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 431 | cam->params.exposure.green1Comp, COMP_GREEN1, 255, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | COMP_GREEN1); |
| 433 | out += sprintf(out, "green2_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 434 | cam->params.exposure.green2Comp, COMP_GREEN2, 255, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | COMP_GREEN2); |
| 436 | out += sprintf(out, "blue_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 437 | cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE); |
| 438 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | out += sprintf(out, "apcor_gain1: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 440 | cam->params.apcor.gain1, 0, 0xff, 0x1c); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | out += sprintf(out, "apcor_gain2: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 442 | cam->params.apcor.gain2, 0, 0xff, 0x1a); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | out += sprintf(out, "apcor_gain4: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 444 | cam->params.apcor.gain4, 0, 0xff, 0x2d); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | out += sprintf(out, "apcor_gain8: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 446 | cam->params.apcor.gain8, 0, 0xff, 0x2a); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | out += sprintf(out, "vl_offset_gain1: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 448 | cam->params.vlOffset.gain1, 0, 255, 24); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | out += sprintf(out, "vl_offset_gain2: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 450 | cam->params.vlOffset.gain2, 0, 255, 28); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | out += sprintf(out, "vl_offset_gain4: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 452 | cam->params.vlOffset.gain4, 0, 255, 30); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | out += sprintf(out, "vl_offset_gain8: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 454 | cam->params.vlOffset.gain8, 0, 255, 30); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | out += sprintf(out, "flicker_control: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 456 | cam->params.flickerControl.flickerMode ? "on" : "off", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | "off", "on", "off"); |
| 458 | out += sprintf(out, "mains_frequency: %8d %8d %8d %8d" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 459 | " only 50/60\n", |
| 460 | cam->mainsFreq ? 60 : 50, 50, 60, 50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | if(cam->params.flickerControl.allowableOverExposure < 0) |
| 462 | out += sprintf(out, "allowable_overexposure: %4dauto auto %8d auto\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 463 | -cam->params.flickerControl.allowableOverExposure, |
| 464 | 255); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | else |
| 466 | out += sprintf(out, "allowable_overexposure: %8d auto %8d auto\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 467 | cam->params.flickerControl.allowableOverExposure, |
| 468 | 255); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | out += sprintf(out, "compression_mode: "); |
| 470 | switch(cam->params.compression.mode) { |
| 471 | case CPIA_COMPRESSION_NONE: |
| 472 | out += sprintf(out, "%8s", "none"); |
| 473 | break; |
| 474 | case CPIA_COMPRESSION_AUTO: |
| 475 | out += sprintf(out, "%8s", "auto"); |
| 476 | break; |
| 477 | case CPIA_COMPRESSION_MANUAL: |
| 478 | out += sprintf(out, "%8s", "manual"); |
| 479 | break; |
| 480 | default: |
| 481 | out += sprintf(out, "%8s", "unknown"); |
| 482 | break; |
| 483 | } |
| 484 | out += sprintf(out, " none,auto,manual auto\n"); |
| 485 | out += sprintf(out, "decimation_enable: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 486 | cam->params.compression.decimation == |
| 487 | DECIMATION_ENAB ? "on":"off", "off", "on", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | "off"); |
| 489 | out += sprintf(out, "compression_target: %9s %9s %9s %9s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 490 | cam->params.compressionTarget.frTargeting == |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | CPIA_COMPRESSION_TARGET_FRAMERATE ? |
| 492 | "framerate":"quality", |
| 493 | "framerate", "quality", "quality"); |
| 494 | out += sprintf(out, "target_framerate: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 495 | cam->params.compressionTarget.targetFR, 1, 30, 15); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | out += sprintf(out, "target_quality: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 497 | cam->params.compressionTarget.targetQ, 1, 64, 5); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | out += sprintf(out, "y_threshold: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 499 | cam->params.yuvThreshold.yThreshold, 0, 31, 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | out += sprintf(out, "uv_threshold: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 501 | cam->params.yuvThreshold.uvThreshold, 0, 31, 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | out += sprintf(out, "hysteresis: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 503 | cam->params.compressionParams.hysteresis, 0, 255, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | out += sprintf(out, "threshold_max: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 505 | cam->params.compressionParams.threshMax, 0, 255, 11); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | out += sprintf(out, "small_step: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 507 | cam->params.compressionParams.smallStep, 0, 255, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | out += sprintf(out, "large_step: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 509 | cam->params.compressionParams.largeStep, 0, 255, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | out += sprintf(out, "decimation_hysteresis: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 511 | cam->params.compressionParams.decimationHysteresis, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | 0, 255, 2); |
| 513 | out += sprintf(out, "fr_diff_step_thresh: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 514 | cam->params.compressionParams.frDiffStepThresh, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | 0, 255, 5); |
| 516 | out += sprintf(out, "q_diff_step_thresh: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 517 | cam->params.compressionParams.qDiffStepThresh, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | 0, 255, 3); |
| 519 | out += sprintf(out, "decimation_thresh_mod: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 520 | cam->params.compressionParams.decimationThreshMod, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | 0, 255, 2); |
| 522 | /* QX3 specific entries */ |
| 523 | if (cam->params.qx3.qx3_detected) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 524 | out += sprintf(out, "toplight: %8s %8s %8s %8s\n", |
| 525 | cam->params.qx3.toplight ? "on" : "off", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | "off", "on", "off"); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 527 | out += sprintf(out, "bottomlight: %8s %8s %8s %8s\n", |
| 528 | cam->params.qx3.bottomlight ? "on" : "off", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | "off", "on", "off"); |
| 530 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 531 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | len = out - page; |
| 533 | len -= off; |
| 534 | if (len < count) { |
| 535 | *eof = 1; |
| 536 | if (len <= 0) return 0; |
| 537 | } else |
| 538 | len = count; |
| 539 | |
| 540 | *start = page + off; |
| 541 | return len; |
| 542 | } |
| 543 | |
| 544 | |
| 545 | static int match(char *checkstr, char **buffer, unsigned long *count, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 546 | int *find_colon, int *err) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | { |
| 548 | int ret, colon_found = 1; |
| 549 | int len = strlen(checkstr); |
| 550 | ret = (len <= *count && strncmp(*buffer, checkstr, len) == 0); |
| 551 | if (ret) { |
| 552 | *buffer += len; |
| 553 | *count -= len; |
| 554 | if (*find_colon) { |
| 555 | colon_found = 0; |
| 556 | while (*count && (**buffer == ' ' || **buffer == '\t' || |
| 557 | (!colon_found && **buffer == ':'))) { |
| 558 | if (**buffer == ':') |
| 559 | colon_found = 1; |
| 560 | --*count; |
| 561 | ++*buffer; |
| 562 | } |
| 563 | if (!*count || !colon_found) |
| 564 | *err = -EINVAL; |
| 565 | *find_colon = 0; |
| 566 | } |
| 567 | } |
| 568 | return ret; |
| 569 | } |
| 570 | |
| 571 | static unsigned long int value(char **buffer, unsigned long *count, int *err) |
| 572 | { |
| 573 | char *p; |
| 574 | unsigned long int ret; |
| 575 | ret = simple_strtoul(*buffer, &p, 0); |
| 576 | if (p == *buffer) |
| 577 | *err = -EINVAL; |
| 578 | else { |
| 579 | *count -= p - *buffer; |
| 580 | *buffer = p; |
| 581 | } |
| 582 | return ret; |
| 583 | } |
| 584 | |
| 585 | static int cpia_write_proc(struct file *file, const char __user *buf, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 586 | unsigned long count, void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | { |
| 588 | struct cam_data *cam = data; |
| 589 | struct cam_params new_params; |
| 590 | char *page, *buffer; |
| 591 | int retval, find_colon; |
| 592 | int size = count; |
| 593 | unsigned long val = 0; |
| 594 | u32 command_flags = 0; |
| 595 | u8 new_mains; |
| 596 | |
| 597 | /* |
| 598 | * This code to copy from buf to page is shamelessly copied |
| 599 | * from the comx driver |
| 600 | */ |
| 601 | if (count > PAGE_SIZE) { |
| 602 | printk(KERN_ERR "count is %lu > %d!!!\n", count, (int)PAGE_SIZE); |
| 603 | return -ENOSPC; |
| 604 | } |
| 605 | |
| 606 | if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM; |
| 607 | |
| 608 | if(copy_from_user(page, buf, count)) |
| 609 | { |
| 610 | retval = -EFAULT; |
| 611 | goto out; |
| 612 | } |
| 613 | |
| 614 | if (page[count-1] == '\n') |
| 615 | page[count-1] = '\0'; |
| 616 | else if (count < PAGE_SIZE) |
| 617 | page[count] = '\0'; |
| 618 | else if (page[count]) { |
| 619 | retval = -EINVAL; |
| 620 | goto out; |
| 621 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 622 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | buffer = page; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 624 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 625 | if (mutex_lock_interruptible(&cam->param_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | return -ERESTARTSYS; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 627 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | /* |
| 629 | * Skip over leading whitespace |
| 630 | */ |
| 631 | while (count && isspace(*buffer)) { |
| 632 | --count; |
| 633 | ++buffer; |
| 634 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 635 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | memcpy(&new_params, &cam->params, sizeof(struct cam_params)); |
| 637 | new_mains = cam->mainsFreq; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 638 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | #define MATCH(x) (match(x, &buffer, &count, &find_colon, &retval)) |
| 640 | #define VALUE (value(&buffer,&count, &retval)) |
| 641 | #define FIRMWARE_VERSION(x,y) (new_params.version.firmwareVersion == (x) && \ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 642 | new_params.version.firmwareRevision == (y)) |
| 643 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | retval = 0; |
| 645 | while (count && !retval) { |
| 646 | find_colon = 1; |
| 647 | if (MATCH("brightness")) { |
| 648 | if (!retval) |
| 649 | val = VALUE; |
| 650 | |
| 651 | if (!retval) { |
| 652 | if (val <= 100) |
| 653 | new_params.colourParams.brightness = val; |
| 654 | else |
| 655 | retval = -EINVAL; |
| 656 | } |
| 657 | command_flags |= COMMAND_SETCOLOURPARAMS; |
| 658 | if(new_params.flickerControl.allowableOverExposure < 0) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 659 | new_params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | -find_over_exposure(new_params.colourParams.brightness); |
| 661 | if(new_params.flickerControl.flickerMode != 0) |
| 662 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 663 | |
| 664 | } else if (MATCH("contrast")) { |
| 665 | if (!retval) |
| 666 | val = VALUE; |
| 667 | |
| 668 | if (!retval) { |
| 669 | if (val <= 100) { |
| 670 | /* contrast is in steps of 8, so round*/ |
| 671 | val = ((val + 3) / 8) * 8; |
| 672 | /* 1-02 firmware limits contrast to 80*/ |
| 673 | if (FIRMWARE_VERSION(1,2) && val > 80) |
| 674 | val = 80; |
| 675 | |
| 676 | new_params.colourParams.contrast = val; |
| 677 | } else |
| 678 | retval = -EINVAL; |
| 679 | } |
| 680 | command_flags |= COMMAND_SETCOLOURPARAMS; |
| 681 | } else if (MATCH("saturation")) { |
| 682 | if (!retval) |
| 683 | val = VALUE; |
| 684 | |
| 685 | if (!retval) { |
| 686 | if (val <= 100) |
| 687 | new_params.colourParams.saturation = val; |
| 688 | else |
| 689 | retval = -EINVAL; |
| 690 | } |
| 691 | command_flags |= COMMAND_SETCOLOURPARAMS; |
| 692 | } else if (MATCH("sensor_fps")) { |
| 693 | if (!retval) |
| 694 | val = VALUE; |
| 695 | |
| 696 | if (!retval) { |
| 697 | /* find values so that sensorFPS is minimized, |
| 698 | * but >= val */ |
| 699 | if (val > 30) |
| 700 | retval = -EINVAL; |
| 701 | else if (val > 25) { |
| 702 | new_params.sensorFps.divisor = 0; |
| 703 | new_params.sensorFps.baserate = 1; |
| 704 | } else if (val > 15) { |
| 705 | new_params.sensorFps.divisor = 0; |
| 706 | new_params.sensorFps.baserate = 0; |
| 707 | } else if (val > 12) { |
| 708 | new_params.sensorFps.divisor = 1; |
| 709 | new_params.sensorFps.baserate = 1; |
| 710 | } else if (val > 7) { |
| 711 | new_params.sensorFps.divisor = 1; |
| 712 | new_params.sensorFps.baserate = 0; |
| 713 | } else if (val > 6) { |
| 714 | new_params.sensorFps.divisor = 2; |
| 715 | new_params.sensorFps.baserate = 1; |
| 716 | } else if (val > 3) { |
| 717 | new_params.sensorFps.divisor = 2; |
| 718 | new_params.sensorFps.baserate = 0; |
| 719 | } else { |
| 720 | new_params.sensorFps.divisor = 3; |
| 721 | /* Either base rate would work here */ |
| 722 | new_params.sensorFps.baserate = 1; |
| 723 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 724 | new_params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | flicker_jumps[new_mains] |
| 726 | [new_params.sensorFps.baserate] |
| 727 | [new_params.sensorFps.divisor]; |
| 728 | if (new_params.flickerControl.flickerMode) |
| 729 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 730 | } |
| 731 | command_flags |= COMMAND_SETSENSORFPS; |
| 732 | cam->exposure_status = EXPOSURE_NORMAL; |
| 733 | } else if (MATCH("stream_start_line")) { |
| 734 | if (!retval) |
| 735 | val = VALUE; |
| 736 | |
| 737 | if (!retval) { |
| 738 | int max_line = 288; |
| 739 | |
| 740 | if (new_params.format.videoSize == VIDEOSIZE_QCIF) |
| 741 | max_line = 144; |
| 742 | if (val <= max_line) |
| 743 | new_params.streamStartLine = val/2; |
| 744 | else |
| 745 | retval = -EINVAL; |
| 746 | } |
| 747 | } else if (MATCH("sub_sample")) { |
| 748 | if (!retval && MATCH("420")) |
| 749 | new_params.format.subSample = SUBSAMPLE_420; |
| 750 | else if (!retval && MATCH("422")) |
| 751 | new_params.format.subSample = SUBSAMPLE_422; |
| 752 | else |
| 753 | retval = -EINVAL; |
| 754 | |
| 755 | command_flags |= COMMAND_SETFORMAT; |
| 756 | } else if (MATCH("yuv_order")) { |
| 757 | if (!retval && MATCH("YUYV")) |
| 758 | new_params.format.yuvOrder = YUVORDER_YUYV; |
| 759 | else if (!retval && MATCH("UYVY")) |
| 760 | new_params.format.yuvOrder = YUVORDER_UYVY; |
| 761 | else |
| 762 | retval = -EINVAL; |
| 763 | |
| 764 | command_flags |= COMMAND_SETFORMAT; |
| 765 | } else if (MATCH("ecp_timing")) { |
| 766 | if (!retval && MATCH("normal")) |
| 767 | new_params.ecpTiming = 0; |
| 768 | else if (!retval && MATCH("slow")) |
| 769 | new_params.ecpTiming = 1; |
| 770 | else |
| 771 | retval = -EINVAL; |
| 772 | |
| 773 | command_flags |= COMMAND_SETECPTIMING; |
| 774 | } else if (MATCH("color_balance_mode")) { |
| 775 | if (!retval && MATCH("manual")) |
| 776 | new_params.colourBalance.balanceMode = 3; |
| 777 | else if (!retval && MATCH("auto")) |
| 778 | new_params.colourBalance.balanceMode = 2; |
| 779 | else |
| 780 | retval = -EINVAL; |
| 781 | |
| 782 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 783 | } else if (MATCH("red_gain")) { |
| 784 | if (!retval) |
| 785 | val = VALUE; |
| 786 | |
| 787 | if (!retval) { |
| 788 | if (val <= 212) { |
| 789 | new_params.colourBalance.redGain = val; |
| 790 | new_params.colourBalance.balanceMode = 1; |
| 791 | } else |
| 792 | retval = -EINVAL; |
| 793 | } |
| 794 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 795 | } else if (MATCH("green_gain")) { |
| 796 | if (!retval) |
| 797 | val = VALUE; |
| 798 | |
| 799 | if (!retval) { |
| 800 | if (val <= 212) { |
| 801 | new_params.colourBalance.greenGain = val; |
| 802 | new_params.colourBalance.balanceMode = 1; |
| 803 | } else |
| 804 | retval = -EINVAL; |
| 805 | } |
| 806 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 807 | } else if (MATCH("blue_gain")) { |
| 808 | if (!retval) |
| 809 | val = VALUE; |
| 810 | |
| 811 | if (!retval) { |
| 812 | if (val <= 212) { |
| 813 | new_params.colourBalance.blueGain = val; |
| 814 | new_params.colourBalance.balanceMode = 1; |
| 815 | } else |
| 816 | retval = -EINVAL; |
| 817 | } |
| 818 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 819 | } else if (MATCH("max_gain")) { |
| 820 | if (!retval) |
| 821 | val = VALUE; |
| 822 | |
| 823 | if (!retval) { |
| 824 | /* 1-02 firmware limits gain to 2 */ |
| 825 | if (FIRMWARE_VERSION(1,2) && val > 2) |
| 826 | val = 2; |
| 827 | switch(val) { |
| 828 | case 1: |
| 829 | new_params.exposure.gainMode = 1; |
| 830 | break; |
| 831 | case 2: |
| 832 | new_params.exposure.gainMode = 2; |
| 833 | break; |
| 834 | case 4: |
| 835 | new_params.exposure.gainMode = 3; |
| 836 | break; |
| 837 | case 8: |
| 838 | new_params.exposure.gainMode = 4; |
| 839 | break; |
| 840 | default: |
| 841 | retval = -EINVAL; |
| 842 | break; |
| 843 | } |
| 844 | } |
| 845 | command_flags |= COMMAND_SETEXPOSURE; |
| 846 | } else if (MATCH("exposure_mode")) { |
| 847 | if (!retval && MATCH("auto")) |
| 848 | new_params.exposure.expMode = 2; |
| 849 | else if (!retval && MATCH("manual")) { |
| 850 | if (new_params.exposure.expMode == 2) |
| 851 | new_params.exposure.expMode = 3; |
| 852 | if(new_params.flickerControl.flickerMode != 0) |
| 853 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 854 | new_params.flickerControl.flickerMode = 0; |
| 855 | } else |
| 856 | retval = -EINVAL; |
| 857 | |
| 858 | command_flags |= COMMAND_SETEXPOSURE; |
| 859 | } else if (MATCH("centre_weight")) { |
| 860 | if (!retval && MATCH("on")) |
| 861 | new_params.exposure.centreWeight = 1; |
| 862 | else if (!retval && MATCH("off")) |
| 863 | new_params.exposure.centreWeight = 2; |
| 864 | else |
| 865 | retval = -EINVAL; |
| 866 | |
| 867 | command_flags |= COMMAND_SETEXPOSURE; |
| 868 | } else if (MATCH("gain")) { |
| 869 | if (!retval) |
| 870 | val = VALUE; |
| 871 | |
| 872 | if (!retval) { |
| 873 | switch(val) { |
| 874 | case 1: |
| 875 | new_params.exposure.gain = 0; |
| 876 | break; |
| 877 | case 2: |
| 878 | new_params.exposure.gain = 1; |
| 879 | break; |
| 880 | case 4: |
| 881 | new_params.exposure.gain = 2; |
| 882 | break; |
| 883 | case 8: |
| 884 | new_params.exposure.gain = 3; |
| 885 | break; |
| 886 | default: |
| 887 | retval = -EINVAL; |
| 888 | break; |
| 889 | } |
| 890 | new_params.exposure.expMode = 1; |
| 891 | if(new_params.flickerControl.flickerMode != 0) |
| 892 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 893 | new_params.flickerControl.flickerMode = 0; |
| 894 | command_flags |= COMMAND_SETEXPOSURE; |
| 895 | if (new_params.exposure.gain > |
| 896 | new_params.exposure.gainMode-1) |
| 897 | retval = -EINVAL; |
| 898 | } |
| 899 | } else if (MATCH("fine_exp")) { |
| 900 | if (!retval) |
| 901 | val = VALUE/2; |
| 902 | |
| 903 | if (!retval) { |
| 904 | if (val < 256) { |
| 905 | /* 1-02 firmware limits fineExp/2 to 127*/ |
| 906 | if (FIRMWARE_VERSION(1,2) && val > 127) |
| 907 | val = 127; |
| 908 | new_params.exposure.fineExp = val; |
| 909 | new_params.exposure.expMode = 1; |
| 910 | command_flags |= COMMAND_SETEXPOSURE; |
| 911 | if(new_params.flickerControl.flickerMode != 0) |
| 912 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 913 | new_params.flickerControl.flickerMode = 0; |
| 914 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 915 | } else |
| 916 | retval = -EINVAL; |
| 917 | } |
| 918 | } else if (MATCH("coarse_exp")) { |
| 919 | if (!retval) |
| 920 | val = VALUE; |
| 921 | |
| 922 | if (!retval) { |
| 923 | if (val <= MAX_EXP) { |
| 924 | if (FIRMWARE_VERSION(1,2) && |
| 925 | val > MAX_EXP_102) |
| 926 | val = MAX_EXP_102; |
| 927 | new_params.exposure.coarseExpLo = |
| 928 | val & 0xff; |
| 929 | new_params.exposure.coarseExpHi = |
| 930 | val >> 8; |
| 931 | new_params.exposure.expMode = 1; |
| 932 | command_flags |= COMMAND_SETEXPOSURE; |
| 933 | if(new_params.flickerControl.flickerMode != 0) |
| 934 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 935 | new_params.flickerControl.flickerMode = 0; |
| 936 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 937 | } else |
| 938 | retval = -EINVAL; |
| 939 | } |
| 940 | } else if (MATCH("red_comp")) { |
| 941 | if (!retval) |
| 942 | val = VALUE; |
| 943 | |
| 944 | if (!retval) { |
| 945 | if (val >= COMP_RED && val <= 255) { |
| 946 | new_params.exposure.redComp = val; |
| 947 | new_params.exposure.compMode = 1; |
| 948 | command_flags |= COMMAND_SETEXPOSURE; |
| 949 | } else |
| 950 | retval = -EINVAL; |
| 951 | } |
| 952 | } else if (MATCH("green1_comp")) { |
| 953 | if (!retval) |
| 954 | val = VALUE; |
| 955 | |
| 956 | if (!retval) { |
| 957 | if (val >= COMP_GREEN1 && val <= 255) { |
| 958 | new_params.exposure.green1Comp = val; |
| 959 | new_params.exposure.compMode = 1; |
| 960 | command_flags |= COMMAND_SETEXPOSURE; |
| 961 | } else |
| 962 | retval = -EINVAL; |
| 963 | } |
| 964 | } else if (MATCH("green2_comp")) { |
| 965 | if (!retval) |
| 966 | val = VALUE; |
| 967 | |
| 968 | if (!retval) { |
| 969 | if (val >= COMP_GREEN2 && val <= 255) { |
| 970 | new_params.exposure.green2Comp = val; |
| 971 | new_params.exposure.compMode = 1; |
| 972 | command_flags |= COMMAND_SETEXPOSURE; |
| 973 | } else |
| 974 | retval = -EINVAL; |
| 975 | } |
| 976 | } else if (MATCH("blue_comp")) { |
| 977 | if (!retval) |
| 978 | val = VALUE; |
| 979 | |
| 980 | if (!retval) { |
| 981 | if (val >= COMP_BLUE && val <= 255) { |
| 982 | new_params.exposure.blueComp = val; |
| 983 | new_params.exposure.compMode = 1; |
| 984 | command_flags |= COMMAND_SETEXPOSURE; |
| 985 | } else |
| 986 | retval = -EINVAL; |
| 987 | } |
| 988 | } else if (MATCH("apcor_gain1")) { |
| 989 | if (!retval) |
| 990 | val = VALUE; |
| 991 | |
| 992 | if (!retval) { |
| 993 | command_flags |= COMMAND_SETAPCOR; |
| 994 | if (val <= 0xff) |
| 995 | new_params.apcor.gain1 = val; |
| 996 | else |
| 997 | retval = -EINVAL; |
| 998 | } |
| 999 | } else if (MATCH("apcor_gain2")) { |
| 1000 | if (!retval) |
| 1001 | val = VALUE; |
| 1002 | |
| 1003 | if (!retval) { |
| 1004 | command_flags |= COMMAND_SETAPCOR; |
| 1005 | if (val <= 0xff) |
| 1006 | new_params.apcor.gain2 = val; |
| 1007 | else |
| 1008 | retval = -EINVAL; |
| 1009 | } |
| 1010 | } else if (MATCH("apcor_gain4")) { |
| 1011 | if (!retval) |
| 1012 | val = VALUE; |
| 1013 | |
| 1014 | if (!retval) { |
| 1015 | command_flags |= COMMAND_SETAPCOR; |
| 1016 | if (val <= 0xff) |
| 1017 | new_params.apcor.gain4 = val; |
| 1018 | else |
| 1019 | retval = -EINVAL; |
| 1020 | } |
| 1021 | } else if (MATCH("apcor_gain8")) { |
| 1022 | if (!retval) |
| 1023 | val = VALUE; |
| 1024 | |
| 1025 | if (!retval) { |
| 1026 | command_flags |= COMMAND_SETAPCOR; |
| 1027 | if (val <= 0xff) |
| 1028 | new_params.apcor.gain8 = val; |
| 1029 | else |
| 1030 | retval = -EINVAL; |
| 1031 | } |
| 1032 | } else if (MATCH("vl_offset_gain1")) { |
| 1033 | if (!retval) |
| 1034 | val = VALUE; |
| 1035 | |
| 1036 | if (!retval) { |
| 1037 | if (val <= 0xff) |
| 1038 | new_params.vlOffset.gain1 = val; |
| 1039 | else |
| 1040 | retval = -EINVAL; |
| 1041 | } |
| 1042 | command_flags |= COMMAND_SETVLOFFSET; |
| 1043 | } else if (MATCH("vl_offset_gain2")) { |
| 1044 | if (!retval) |
| 1045 | val = VALUE; |
| 1046 | |
| 1047 | if (!retval) { |
| 1048 | if (val <= 0xff) |
| 1049 | new_params.vlOffset.gain2 = val; |
| 1050 | else |
| 1051 | retval = -EINVAL; |
| 1052 | } |
| 1053 | command_flags |= COMMAND_SETVLOFFSET; |
| 1054 | } else if (MATCH("vl_offset_gain4")) { |
| 1055 | if (!retval) |
| 1056 | val = VALUE; |
| 1057 | |
| 1058 | if (!retval) { |
| 1059 | if (val <= 0xff) |
| 1060 | new_params.vlOffset.gain4 = val; |
| 1061 | else |
| 1062 | retval = -EINVAL; |
| 1063 | } |
| 1064 | command_flags |= COMMAND_SETVLOFFSET; |
| 1065 | } else if (MATCH("vl_offset_gain8")) { |
| 1066 | if (!retval) |
| 1067 | val = VALUE; |
| 1068 | |
| 1069 | if (!retval) { |
| 1070 | if (val <= 0xff) |
| 1071 | new_params.vlOffset.gain8 = val; |
| 1072 | else |
| 1073 | retval = -EINVAL; |
| 1074 | } |
| 1075 | command_flags |= COMMAND_SETVLOFFSET; |
| 1076 | } else if (MATCH("flicker_control")) { |
| 1077 | if (!retval && MATCH("on")) { |
| 1078 | set_flicker(&new_params, &command_flags, 1); |
| 1079 | } else if (!retval && MATCH("off")) { |
| 1080 | set_flicker(&new_params, &command_flags, 0); |
| 1081 | } else |
| 1082 | retval = -EINVAL; |
| 1083 | |
| 1084 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1085 | } else if (MATCH("mains_frequency")) { |
| 1086 | if (!retval && MATCH("50")) { |
| 1087 | new_mains = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1088 | new_params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1089 | flicker_jumps[new_mains] |
| 1090 | [new_params.sensorFps.baserate] |
| 1091 | [new_params.sensorFps.divisor]; |
| 1092 | if (new_params.flickerControl.flickerMode) |
| 1093 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1094 | } else if (!retval && MATCH("60")) { |
| 1095 | new_mains = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1096 | new_params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1097 | flicker_jumps[new_mains] |
| 1098 | [new_params.sensorFps.baserate] |
| 1099 | [new_params.sensorFps.divisor]; |
| 1100 | if (new_params.flickerControl.flickerMode) |
| 1101 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1102 | } else |
| 1103 | retval = -EINVAL; |
| 1104 | } else if (MATCH("allowable_overexposure")) { |
| 1105 | if (!retval && MATCH("auto")) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1106 | new_params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | -find_over_exposure(new_params.colourParams.brightness); |
| 1108 | if(new_params.flickerControl.flickerMode != 0) |
| 1109 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1110 | } else { |
| 1111 | if (!retval) |
| 1112 | val = VALUE; |
| 1113 | |
| 1114 | if (!retval) { |
| 1115 | if (val <= 0xff) { |
| 1116 | new_params.flickerControl. |
| 1117 | allowableOverExposure = val; |
| 1118 | if(new_params.flickerControl.flickerMode != 0) |
| 1119 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1120 | } else |
| 1121 | retval = -EINVAL; |
| 1122 | } |
| 1123 | } |
| 1124 | } else if (MATCH("compression_mode")) { |
| 1125 | if (!retval && MATCH("none")) |
| 1126 | new_params.compression.mode = |
| 1127 | CPIA_COMPRESSION_NONE; |
| 1128 | else if (!retval && MATCH("auto")) |
| 1129 | new_params.compression.mode = |
| 1130 | CPIA_COMPRESSION_AUTO; |
| 1131 | else if (!retval && MATCH("manual")) |
| 1132 | new_params.compression.mode = |
| 1133 | CPIA_COMPRESSION_MANUAL; |
| 1134 | else |
| 1135 | retval = -EINVAL; |
| 1136 | |
| 1137 | command_flags |= COMMAND_SETCOMPRESSION; |
| 1138 | } else if (MATCH("decimation_enable")) { |
| 1139 | if (!retval && MATCH("off")) |
| 1140 | new_params.compression.decimation = 0; |
| 1141 | else if (!retval && MATCH("on")) |
| 1142 | new_params.compression.decimation = 1; |
| 1143 | else |
| 1144 | retval = -EINVAL; |
| 1145 | |
| 1146 | command_flags |= COMMAND_SETCOMPRESSION; |
| 1147 | } else if (MATCH("compression_target")) { |
| 1148 | if (!retval && MATCH("quality")) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1149 | new_params.compressionTarget.frTargeting = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1150 | CPIA_COMPRESSION_TARGET_QUALITY; |
| 1151 | else if (!retval && MATCH("framerate")) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1152 | new_params.compressionTarget.frTargeting = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1153 | CPIA_COMPRESSION_TARGET_FRAMERATE; |
| 1154 | else |
| 1155 | retval = -EINVAL; |
| 1156 | |
| 1157 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; |
| 1158 | } else if (MATCH("target_framerate")) { |
| 1159 | if (!retval) |
| 1160 | val = VALUE; |
| 1161 | |
| 1162 | if (!retval) { |
| 1163 | if(val > 0 && val <= 30) |
| 1164 | new_params.compressionTarget.targetFR = val; |
| 1165 | else |
| 1166 | retval = -EINVAL; |
| 1167 | } |
| 1168 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; |
| 1169 | } else if (MATCH("target_quality")) { |
| 1170 | if (!retval) |
| 1171 | val = VALUE; |
| 1172 | |
| 1173 | if (!retval) { |
| 1174 | if(val > 0 && val <= 64) |
| 1175 | new_params.compressionTarget.targetQ = val; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1176 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1177 | retval = -EINVAL; |
| 1178 | } |
| 1179 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; |
| 1180 | } else if (MATCH("y_threshold")) { |
| 1181 | if (!retval) |
| 1182 | val = VALUE; |
| 1183 | |
| 1184 | if (!retval) { |
| 1185 | if (val < 32) |
| 1186 | new_params.yuvThreshold.yThreshold = val; |
| 1187 | else |
| 1188 | retval = -EINVAL; |
| 1189 | } |
| 1190 | command_flags |= COMMAND_SETYUVTHRESH; |
| 1191 | } else if (MATCH("uv_threshold")) { |
| 1192 | if (!retval) |
| 1193 | val = VALUE; |
| 1194 | |
| 1195 | if (!retval) { |
| 1196 | if (val < 32) |
| 1197 | new_params.yuvThreshold.uvThreshold = val; |
| 1198 | else |
| 1199 | retval = -EINVAL; |
| 1200 | } |
| 1201 | command_flags |= COMMAND_SETYUVTHRESH; |
| 1202 | } else if (MATCH("hysteresis")) { |
| 1203 | if (!retval) |
| 1204 | val = VALUE; |
| 1205 | |
| 1206 | if (!retval) { |
| 1207 | if (val <= 0xff) |
| 1208 | new_params.compressionParams.hysteresis = val; |
| 1209 | else |
| 1210 | retval = -EINVAL; |
| 1211 | } |
| 1212 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1213 | } else if (MATCH("threshold_max")) { |
| 1214 | if (!retval) |
| 1215 | val = VALUE; |
| 1216 | |
| 1217 | if (!retval) { |
| 1218 | if (val <= 0xff) |
| 1219 | new_params.compressionParams.threshMax = val; |
| 1220 | else |
| 1221 | retval = -EINVAL; |
| 1222 | } |
| 1223 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1224 | } else if (MATCH("small_step")) { |
| 1225 | if (!retval) |
| 1226 | val = VALUE; |
| 1227 | |
| 1228 | if (!retval) { |
| 1229 | if (val <= 0xff) |
| 1230 | new_params.compressionParams.smallStep = val; |
| 1231 | else |
| 1232 | retval = -EINVAL; |
| 1233 | } |
| 1234 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1235 | } else if (MATCH("large_step")) { |
| 1236 | if (!retval) |
| 1237 | val = VALUE; |
| 1238 | |
| 1239 | if (!retval) { |
| 1240 | if (val <= 0xff) |
| 1241 | new_params.compressionParams.largeStep = val; |
| 1242 | else |
| 1243 | retval = -EINVAL; |
| 1244 | } |
| 1245 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1246 | } else if (MATCH("decimation_hysteresis")) { |
| 1247 | if (!retval) |
| 1248 | val = VALUE; |
| 1249 | |
| 1250 | if (!retval) { |
| 1251 | if (val <= 0xff) |
| 1252 | new_params.compressionParams.decimationHysteresis = val; |
| 1253 | else |
| 1254 | retval = -EINVAL; |
| 1255 | } |
| 1256 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1257 | } else if (MATCH("fr_diff_step_thresh")) { |
| 1258 | if (!retval) |
| 1259 | val = VALUE; |
| 1260 | |
| 1261 | if (!retval) { |
| 1262 | if (val <= 0xff) |
| 1263 | new_params.compressionParams.frDiffStepThresh = val; |
| 1264 | else |
| 1265 | retval = -EINVAL; |
| 1266 | } |
| 1267 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1268 | } else if (MATCH("q_diff_step_thresh")) { |
| 1269 | if (!retval) |
| 1270 | val = VALUE; |
| 1271 | |
| 1272 | if (!retval) { |
| 1273 | if (val <= 0xff) |
| 1274 | new_params.compressionParams.qDiffStepThresh = val; |
| 1275 | else |
| 1276 | retval = -EINVAL; |
| 1277 | } |
| 1278 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1279 | } else if (MATCH("decimation_thresh_mod")) { |
| 1280 | if (!retval) |
| 1281 | val = VALUE; |
| 1282 | |
| 1283 | if (!retval) { |
| 1284 | if (val <= 0xff) |
| 1285 | new_params.compressionParams.decimationThreshMod = val; |
| 1286 | else |
| 1287 | retval = -EINVAL; |
| 1288 | } |
| 1289 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1290 | } else if (MATCH("toplight")) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1291 | if (!retval && MATCH("on")) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1292 | new_params.qx3.toplight = 1; |
| 1293 | else if (!retval && MATCH("off")) |
| 1294 | new_params.qx3.toplight = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1295 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1296 | retval = -EINVAL; |
| 1297 | command_flags |= COMMAND_SETLIGHTS; |
| 1298 | } else if (MATCH("bottomlight")) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1299 | if (!retval && MATCH("on")) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | new_params.qx3.bottomlight = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1301 | else if (!retval && MATCH("off")) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1302 | new_params.qx3.bottomlight = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1303 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1304 | retval = -EINVAL; |
| 1305 | command_flags |= COMMAND_SETLIGHTS; |
| 1306 | } else { |
| 1307 | DBG("No match found\n"); |
| 1308 | retval = -EINVAL; |
| 1309 | } |
| 1310 | |
| 1311 | if (!retval) { |
| 1312 | while (count && isspace(*buffer) && *buffer != '\n') { |
| 1313 | --count; |
| 1314 | ++buffer; |
| 1315 | } |
| 1316 | if (count) { |
| 1317 | if (*buffer == '\0' && count != 1) |
| 1318 | retval = -EINVAL; |
| 1319 | else if (*buffer != '\n' && *buffer != ';' && |
| 1320 | *buffer != '\0') |
| 1321 | retval = -EINVAL; |
| 1322 | else { |
| 1323 | --count; |
| 1324 | ++buffer; |
| 1325 | } |
| 1326 | } |
| 1327 | } |
| 1328 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1329 | #undef MATCH |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1330 | #undef VALUE |
| 1331 | #undef FIRMWARE_VERSION |
| 1332 | if (!retval) { |
| 1333 | if (command_flags & COMMAND_SETCOLOURPARAMS) { |
| 1334 | /* Adjust cam->vp to reflect these changes */ |
| 1335 | cam->vp.brightness = |
| 1336 | new_params.colourParams.brightness*65535/100; |
| 1337 | cam->vp.contrast = |
| 1338 | new_params.colourParams.contrast*65535/100; |
| 1339 | cam->vp.colour = |
| 1340 | new_params.colourParams.saturation*65535/100; |
| 1341 | } |
| 1342 | if((command_flags & COMMAND_SETEXPOSURE) && |
| 1343 | new_params.exposure.expMode == 2) |
| 1344 | cam->exposure_status = EXPOSURE_NORMAL; |
| 1345 | |
| 1346 | memcpy(&cam->params, &new_params, sizeof(struct cam_params)); |
| 1347 | cam->mainsFreq = new_mains; |
| 1348 | cam->cmd_queue |= command_flags; |
| 1349 | retval = size; |
| 1350 | } else |
| 1351 | DBG("error: %d\n", retval); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1352 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1353 | mutex_unlock(&cam->param_lock); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1354 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1355 | out: |
| 1356 | free_page((unsigned long)page); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1357 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | static void create_proc_cpia_cam(struct cam_data *cam) |
| 1361 | { |
| 1362 | char name[7]; |
| 1363 | struct proc_dir_entry *ent; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1364 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1365 | if (!cpia_proc_root || !cam) |
| 1366 | return; |
| 1367 | |
| 1368 | sprintf(name, "video%d", cam->vdev.minor); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1369 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1370 | ent = create_proc_entry(name, S_IFREG|S_IRUGO|S_IWUSR, cpia_proc_root); |
| 1371 | if (!ent) |
| 1372 | return; |
| 1373 | |
| 1374 | ent->data = cam; |
| 1375 | ent->read_proc = cpia_read_proc; |
| 1376 | ent->write_proc = cpia_write_proc; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1377 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | size of the proc entry is 3736 bytes for the standard webcam; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1379 | the extra features of the QX3 microscope add 189 bytes. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | (we have not yet probed the camera to see which type it is). |
| 1381 | */ |
| 1382 | ent->size = 3736 + 189; |
| 1383 | cam->proc_entry = ent; |
| 1384 | } |
| 1385 | |
| 1386 | static void destroy_proc_cpia_cam(struct cam_data *cam) |
| 1387 | { |
| 1388 | char name[7]; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1389 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1390 | if (!cam || !cam->proc_entry) |
| 1391 | return; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1392 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1393 | sprintf(name, "video%d", cam->vdev.minor); |
| 1394 | remove_proc_entry(name, cpia_proc_root); |
| 1395 | cam->proc_entry = NULL; |
| 1396 | } |
| 1397 | |
| 1398 | static void proc_cpia_create(void) |
| 1399 | { |
Al Viro | 6660022 | 2005-09-28 22:32:57 +0100 | [diff] [blame] | 1400 | cpia_proc_root = proc_mkdir("cpia", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1401 | |
| 1402 | if (cpia_proc_root) |
| 1403 | cpia_proc_root->owner = THIS_MODULE; |
| 1404 | else |
| 1405 | LOG("Unable to initialise /proc/cpia\n"); |
| 1406 | } |
| 1407 | |
| 1408 | static void __exit proc_cpia_destroy(void) |
| 1409 | { |
| 1410 | remove_proc_entry("cpia", NULL); |
| 1411 | } |
| 1412 | #endif /* CONFIG_PROC_FS */ |
| 1413 | |
| 1414 | /* ----------------------- debug functions ---------------------- */ |
| 1415 | |
| 1416 | #define printstatus(cam) \ |
| 1417 | DBG("%02x %02x %02x %02x %02x %02x %02x %02x\n",\ |
| 1418 | cam->params.status.systemState, cam->params.status.grabState, \ |
| 1419 | cam->params.status.streamState, cam->params.status.fatalError, \ |
| 1420 | cam->params.status.cmdError, cam->params.status.debugFlags, \ |
| 1421 | cam->params.status.vpStatus, cam->params.status.errorCode); |
| 1422 | |
| 1423 | /* ----------------------- v4l helpers -------------------------- */ |
| 1424 | |
| 1425 | /* supported frame palettes and depths */ |
| 1426 | static inline int valid_mode(u16 palette, u16 depth) |
| 1427 | { |
| 1428 | if ((palette == VIDEO_PALETTE_YUV422 && depth == 16) || |
| 1429 | (palette == VIDEO_PALETTE_YUYV && depth == 16)) |
| 1430 | return 1; |
| 1431 | |
| 1432 | if (colorspace_conv) |
| 1433 | return (palette == VIDEO_PALETTE_GREY && depth == 8) || |
| 1434 | (palette == VIDEO_PALETTE_RGB555 && depth == 16) || |
| 1435 | (palette == VIDEO_PALETTE_RGB565 && depth == 16) || |
| 1436 | (palette == VIDEO_PALETTE_RGB24 && depth == 24) || |
| 1437 | (palette == VIDEO_PALETTE_RGB32 && depth == 32) || |
| 1438 | (palette == VIDEO_PALETTE_UYVY && depth == 16); |
| 1439 | |
| 1440 | return 0; |
| 1441 | } |
| 1442 | |
| 1443 | static int match_videosize( int width, int height ) |
| 1444 | { |
| 1445 | /* return the best match, where 'best' is as always |
| 1446 | * the largest that is not bigger than what is requested. */ |
| 1447 | if (width>=352 && height>=288) |
| 1448 | return VIDEOSIZE_352_288; /* CIF */ |
| 1449 | |
| 1450 | if (width>=320 && height>=240) |
| 1451 | return VIDEOSIZE_320_240; /* SIF */ |
| 1452 | |
| 1453 | if (width>=288 && height>=216) |
| 1454 | return VIDEOSIZE_288_216; |
| 1455 | |
| 1456 | if (width>=256 && height>=192) |
| 1457 | return VIDEOSIZE_256_192; |
| 1458 | |
| 1459 | if (width>=224 && height>=168) |
| 1460 | return VIDEOSIZE_224_168; |
| 1461 | |
| 1462 | if (width>=192 && height>=144) |
| 1463 | return VIDEOSIZE_192_144; |
| 1464 | |
| 1465 | if (width>=176 && height>=144) |
| 1466 | return VIDEOSIZE_176_144; /* QCIF */ |
| 1467 | |
| 1468 | if (width>=160 && height>=120) |
| 1469 | return VIDEOSIZE_160_120; /* QSIF */ |
| 1470 | |
| 1471 | if (width>=128 && height>=96) |
| 1472 | return VIDEOSIZE_128_96; |
| 1473 | |
| 1474 | if (width>=88 && height>=72) |
| 1475 | return VIDEOSIZE_88_72; |
| 1476 | |
| 1477 | if (width>=64 && height>=48) |
| 1478 | return VIDEOSIZE_64_48; |
| 1479 | |
| 1480 | if (width>=48 && height>=48) |
| 1481 | return VIDEOSIZE_48_48; |
| 1482 | |
| 1483 | return -1; |
| 1484 | } |
| 1485 | |
| 1486 | /* these are the capture sizes we support */ |
| 1487 | static void set_vw_size(struct cam_data *cam) |
| 1488 | { |
| 1489 | /* the col/row/start/end values are the result of simple math */ |
| 1490 | /* study the SetROI-command in cpia developers guide p 2-22 */ |
| 1491 | /* streamStartLine is set to the recommended value in the cpia */ |
| 1492 | /* developers guide p 3-37 */ |
| 1493 | switch(cam->video_size) { |
| 1494 | case VIDEOSIZE_CIF: |
| 1495 | cam->vw.width = 352; |
| 1496 | cam->vw.height = 288; |
| 1497 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1498 | cam->params.roi.colStart=0; |
| 1499 | cam->params.roi.rowStart=0; |
| 1500 | cam->params.streamStartLine = 120; |
| 1501 | break; |
| 1502 | case VIDEOSIZE_SIF: |
| 1503 | cam->vw.width = 320; |
| 1504 | cam->vw.height = 240; |
| 1505 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1506 | cam->params.roi.colStart=2; |
| 1507 | cam->params.roi.rowStart=6; |
| 1508 | cam->params.streamStartLine = 120; |
| 1509 | break; |
| 1510 | case VIDEOSIZE_288_216: |
| 1511 | cam->vw.width = 288; |
| 1512 | cam->vw.height = 216; |
| 1513 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1514 | cam->params.roi.colStart=4; |
| 1515 | cam->params.roi.rowStart=9; |
| 1516 | cam->params.streamStartLine = 120; |
| 1517 | break; |
| 1518 | case VIDEOSIZE_256_192: |
| 1519 | cam->vw.width = 256; |
| 1520 | cam->vw.height = 192; |
| 1521 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1522 | cam->params.roi.colStart=6; |
| 1523 | cam->params.roi.rowStart=12; |
| 1524 | cam->params.streamStartLine = 120; |
| 1525 | break; |
| 1526 | case VIDEOSIZE_224_168: |
| 1527 | cam->vw.width = 224; |
| 1528 | cam->vw.height = 168; |
| 1529 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1530 | cam->params.roi.colStart=8; |
| 1531 | cam->params.roi.rowStart=15; |
| 1532 | cam->params.streamStartLine = 120; |
| 1533 | break; |
| 1534 | case VIDEOSIZE_192_144: |
| 1535 | cam->vw.width = 192; |
| 1536 | cam->vw.height = 144; |
| 1537 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1538 | cam->params.roi.colStart=10; |
| 1539 | cam->params.roi.rowStart=18; |
| 1540 | cam->params.streamStartLine = 120; |
| 1541 | break; |
| 1542 | case VIDEOSIZE_QCIF: |
| 1543 | cam->vw.width = 176; |
| 1544 | cam->vw.height = 144; |
| 1545 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1546 | cam->params.roi.colStart=0; |
| 1547 | cam->params.roi.rowStart=0; |
| 1548 | cam->params.streamStartLine = 60; |
| 1549 | break; |
| 1550 | case VIDEOSIZE_QSIF: |
| 1551 | cam->vw.width = 160; |
| 1552 | cam->vw.height = 120; |
| 1553 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1554 | cam->params.roi.colStart=1; |
| 1555 | cam->params.roi.rowStart=3; |
| 1556 | cam->params.streamStartLine = 60; |
| 1557 | break; |
| 1558 | case VIDEOSIZE_128_96: |
| 1559 | cam->vw.width = 128; |
| 1560 | cam->vw.height = 96; |
| 1561 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1562 | cam->params.roi.colStart=3; |
| 1563 | cam->params.roi.rowStart=6; |
| 1564 | cam->params.streamStartLine = 60; |
| 1565 | break; |
| 1566 | case VIDEOSIZE_88_72: |
| 1567 | cam->vw.width = 88; |
| 1568 | cam->vw.height = 72; |
| 1569 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1570 | cam->params.roi.colStart=5; |
| 1571 | cam->params.roi.rowStart=9; |
| 1572 | cam->params.streamStartLine = 60; |
| 1573 | break; |
| 1574 | case VIDEOSIZE_64_48: |
| 1575 | cam->vw.width = 64; |
| 1576 | cam->vw.height = 48; |
| 1577 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1578 | cam->params.roi.colStart=7; |
| 1579 | cam->params.roi.rowStart=12; |
| 1580 | cam->params.streamStartLine = 60; |
| 1581 | break; |
| 1582 | case VIDEOSIZE_48_48: |
| 1583 | cam->vw.width = 48; |
| 1584 | cam->vw.height = 48; |
| 1585 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1586 | cam->params.roi.colStart=8; |
| 1587 | cam->params.roi.rowStart=6; |
| 1588 | cam->params.streamStartLine = 60; |
| 1589 | break; |
| 1590 | default: |
| 1591 | LOG("bad videosize value: %d\n", cam->video_size); |
| 1592 | return; |
| 1593 | } |
| 1594 | |
| 1595 | if(cam->vc.width == 0) |
| 1596 | cam->vc.width = cam->vw.width; |
| 1597 | if(cam->vc.height == 0) |
| 1598 | cam->vc.height = cam->vw.height; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1599 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1600 | cam->params.roi.colStart += cam->vc.x >> 3; |
| 1601 | cam->params.roi.colEnd = cam->params.roi.colStart + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1602 | (cam->vc.width >> 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1603 | cam->params.roi.rowStart += cam->vc.y >> 2; |
| 1604 | cam->params.roi.rowEnd = cam->params.roi.rowStart + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1605 | (cam->vc.height >> 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1606 | |
| 1607 | return; |
| 1608 | } |
| 1609 | |
| 1610 | static int allocate_frame_buf(struct cam_data *cam) |
| 1611 | { |
| 1612 | int i; |
| 1613 | |
| 1614 | cam->frame_buf = rvmalloc(FRAME_NUM * CPIA_MAX_FRAME_SIZE); |
| 1615 | if (!cam->frame_buf) |
| 1616 | return -ENOBUFS; |
| 1617 | |
| 1618 | for (i = 0; i < FRAME_NUM; i++) |
| 1619 | cam->frame[i].data = cam->frame_buf + i * CPIA_MAX_FRAME_SIZE; |
| 1620 | |
| 1621 | return 0; |
| 1622 | } |
| 1623 | |
| 1624 | static int free_frame_buf(struct cam_data *cam) |
| 1625 | { |
| 1626 | int i; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1627 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | rvfree(cam->frame_buf, FRAME_NUM*CPIA_MAX_FRAME_SIZE); |
| 1629 | cam->frame_buf = NULL; |
| 1630 | for (i=0; i < FRAME_NUM; i++) |
| 1631 | cam->frame[i].data = NULL; |
| 1632 | |
| 1633 | return 0; |
| 1634 | } |
| 1635 | |
| 1636 | |
| 1637 | static inline void free_frames(struct cpia_frame frame[FRAME_NUM]) |
| 1638 | { |
| 1639 | int i; |
| 1640 | |
| 1641 | for (i=0; i < FRAME_NUM; i++) |
| 1642 | frame[i].state = FRAME_UNUSED; |
| 1643 | return; |
| 1644 | } |
| 1645 | |
| 1646 | /********************************************************************** |
| 1647 | * |
| 1648 | * General functions |
| 1649 | * |
| 1650 | **********************************************************************/ |
| 1651 | /* send an arbitrary command to the camera */ |
| 1652 | static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d) |
| 1653 | { |
| 1654 | int retval, datasize; |
| 1655 | u8 cmd[8], data[8]; |
| 1656 | |
| 1657 | switch(command) { |
| 1658 | case CPIA_COMMAND_GetCPIAVersion: |
| 1659 | case CPIA_COMMAND_GetPnPID: |
| 1660 | case CPIA_COMMAND_GetCameraStatus: |
| 1661 | case CPIA_COMMAND_GetVPVersion: |
| 1662 | datasize=8; |
| 1663 | break; |
| 1664 | case CPIA_COMMAND_GetColourParams: |
| 1665 | case CPIA_COMMAND_GetColourBalance: |
| 1666 | case CPIA_COMMAND_GetExposure: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1667 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | datasize=8; |
| 1669 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1670 | case CPIA_COMMAND_ReadMCPorts: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1671 | case CPIA_COMMAND_ReadVCRegs: |
| 1672 | datasize = 4; |
| 1673 | break; |
| 1674 | default: |
| 1675 | datasize=0; |
| 1676 | break; |
| 1677 | } |
| 1678 | |
| 1679 | cmd[0] = command>>8; |
| 1680 | cmd[1] = command&0xff; |
| 1681 | cmd[2] = a; |
| 1682 | cmd[3] = b; |
| 1683 | cmd[4] = c; |
| 1684 | cmd[5] = d; |
| 1685 | cmd[6] = datasize; |
| 1686 | cmd[7] = 0; |
| 1687 | |
| 1688 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); |
| 1689 | if (retval) { |
| 1690 | DBG("%x - failed, retval=%d\n", command, retval); |
| 1691 | if (command == CPIA_COMMAND_GetColourParams || |
| 1692 | command == CPIA_COMMAND_GetColourBalance || |
| 1693 | command == CPIA_COMMAND_GetExposure) |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1694 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1695 | } else { |
| 1696 | switch(command) { |
| 1697 | case CPIA_COMMAND_GetCPIAVersion: |
| 1698 | cam->params.version.firmwareVersion = data[0]; |
| 1699 | cam->params.version.firmwareRevision = data[1]; |
| 1700 | cam->params.version.vcVersion = data[2]; |
| 1701 | cam->params.version.vcRevision = data[3]; |
| 1702 | break; |
| 1703 | case CPIA_COMMAND_GetPnPID: |
| 1704 | cam->params.pnpID.vendor = data[0]+(((u16)data[1])<<8); |
| 1705 | cam->params.pnpID.product = data[2]+(((u16)data[3])<<8); |
| 1706 | cam->params.pnpID.deviceRevision = |
| 1707 | data[4]+(((u16)data[5])<<8); |
| 1708 | break; |
| 1709 | case CPIA_COMMAND_GetCameraStatus: |
| 1710 | cam->params.status.systemState = data[0]; |
| 1711 | cam->params.status.grabState = data[1]; |
| 1712 | cam->params.status.streamState = data[2]; |
| 1713 | cam->params.status.fatalError = data[3]; |
| 1714 | cam->params.status.cmdError = data[4]; |
| 1715 | cam->params.status.debugFlags = data[5]; |
| 1716 | cam->params.status.vpStatus = data[6]; |
| 1717 | cam->params.status.errorCode = data[7]; |
| 1718 | break; |
| 1719 | case CPIA_COMMAND_GetVPVersion: |
| 1720 | cam->params.vpVersion.vpVersion = data[0]; |
| 1721 | cam->params.vpVersion.vpRevision = data[1]; |
| 1722 | cam->params.vpVersion.cameraHeadID = |
| 1723 | data[2]+(((u16)data[3])<<8); |
| 1724 | break; |
| 1725 | case CPIA_COMMAND_GetColourParams: |
| 1726 | cam->params.colourParams.brightness = data[0]; |
| 1727 | cam->params.colourParams.contrast = data[1]; |
| 1728 | cam->params.colourParams.saturation = data[2]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1729 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1730 | break; |
| 1731 | case CPIA_COMMAND_GetColourBalance: |
| 1732 | cam->params.colourBalance.redGain = data[0]; |
| 1733 | cam->params.colourBalance.greenGain = data[1]; |
| 1734 | cam->params.colourBalance.blueGain = data[2]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1735 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1736 | break; |
| 1737 | case CPIA_COMMAND_GetExposure: |
| 1738 | cam->params.exposure.gain = data[0]; |
| 1739 | cam->params.exposure.fineExp = data[1]; |
| 1740 | cam->params.exposure.coarseExpLo = data[2]; |
| 1741 | cam->params.exposure.coarseExpHi = data[3]; |
| 1742 | cam->params.exposure.redComp = data[4]; |
| 1743 | cam->params.exposure.green1Comp = data[5]; |
| 1744 | cam->params.exposure.green2Comp = data[6]; |
| 1745 | cam->params.exposure.blueComp = data[7]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1746 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1747 | break; |
| 1748 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1749 | case CPIA_COMMAND_ReadMCPorts: |
| 1750 | if (!cam->params.qx3.qx3_detected) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1751 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1752 | /* test button press */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1753 | cam->params.qx3.button = ((data[1] & 0x02) == 0); |
| 1754 | if (cam->params.qx3.button) { |
| 1755 | /* button pressed - unlock the latch */ |
| 1756 | do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xDF,0xDF,0); |
| 1757 | do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xFF,0xFF,0); |
| 1758 | } |
| 1759 | |
| 1760 | /* test whether microscope is cradled */ |
| 1761 | cam->params.qx3.cradled = ((data[2] & 0x40) == 0); |
| 1762 | break; |
| 1763 | |
| 1764 | default: |
| 1765 | break; |
| 1766 | } |
| 1767 | } |
| 1768 | return retval; |
| 1769 | } |
| 1770 | |
| 1771 | /* send a command to the camera with an additional data transaction */ |
| 1772 | static int do_command_extended(struct cam_data *cam, u16 command, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1773 | u8 a, u8 b, u8 c, u8 d, |
| 1774 | u8 e, u8 f, u8 g, u8 h, |
| 1775 | u8 i, u8 j, u8 k, u8 l) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1776 | { |
| 1777 | int retval; |
| 1778 | u8 cmd[8], data[8]; |
| 1779 | |
| 1780 | cmd[0] = command>>8; |
| 1781 | cmd[1] = command&0xff; |
| 1782 | cmd[2] = a; |
| 1783 | cmd[3] = b; |
| 1784 | cmd[4] = c; |
| 1785 | cmd[5] = d; |
| 1786 | cmd[6] = 8; |
| 1787 | cmd[7] = 0; |
| 1788 | data[0] = e; |
| 1789 | data[1] = f; |
| 1790 | data[2] = g; |
| 1791 | data[3] = h; |
| 1792 | data[4] = i; |
| 1793 | data[5] = j; |
| 1794 | data[6] = k; |
| 1795 | data[7] = l; |
| 1796 | |
| 1797 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); |
| 1798 | if (retval) |
| 1799 | DBG("%x - failed\n", command); |
| 1800 | |
| 1801 | return retval; |
| 1802 | } |
| 1803 | |
| 1804 | /********************************************************************** |
| 1805 | * |
| 1806 | * Colorspace conversion |
| 1807 | * |
| 1808 | **********************************************************************/ |
| 1809 | #define LIMIT(x) ((((x)>0xffffff)?0xff0000:(((x)<=0xffff)?0:(x)&0xff0000))>>16) |
| 1810 | |
| 1811 | static int convert420(unsigned char *yuv, unsigned char *rgb, int out_fmt, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1812 | int linesize, int mmap_kludge) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1813 | { |
| 1814 | int y, u, v, r, g, b, y1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1815 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1816 | /* Odd lines use the same u and v as the previous line. |
| 1817 | * Because of compression, it is necessary to get this |
| 1818 | * information from the decoded image. */ |
| 1819 | switch(out_fmt) { |
| 1820 | case VIDEO_PALETTE_RGB555: |
| 1821 | y = (*yuv++ - 16) * 76310; |
| 1822 | y1 = (*yuv - 16) * 76310; |
| 1823 | r = ((*(rgb+1-linesize)) & 0x7c) << 1; |
| 1824 | g = ((*(rgb-linesize)) & 0xe0) >> 4 | |
| 1825 | ((*(rgb+1-linesize)) & 0x03) << 6; |
| 1826 | b = ((*(rgb-linesize)) & 0x1f) << 3; |
| 1827 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; |
| 1828 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; |
| 1829 | r = 104635 * v; |
| 1830 | g = -25690 * u - 53294 * v; |
| 1831 | b = 132278 * u; |
| 1832 | *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); |
| 1833 | *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); |
| 1834 | *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); |
| 1835 | *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); |
| 1836 | return 4; |
| 1837 | case VIDEO_PALETTE_RGB565: |
| 1838 | y = (*yuv++ - 16) * 76310; |
| 1839 | y1 = (*yuv - 16) * 76310; |
| 1840 | r = (*(rgb+1-linesize)) & 0xf8; |
| 1841 | g = ((*(rgb-linesize)) & 0xe0) >> 3 | |
| 1842 | ((*(rgb+1-linesize)) & 0x07) << 5; |
| 1843 | b = ((*(rgb-linesize)) & 0x1f) << 3; |
| 1844 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; |
| 1845 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; |
| 1846 | r = 104635 * v; |
| 1847 | g = -25690 * u - 53294 * v; |
| 1848 | b = 132278 * u; |
| 1849 | *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); |
| 1850 | *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); |
| 1851 | *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); |
| 1852 | *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); |
| 1853 | return 4; |
| 1854 | break; |
| 1855 | case VIDEO_PALETTE_RGB24: |
| 1856 | case VIDEO_PALETTE_RGB32: |
| 1857 | y = (*yuv++ - 16) * 76310; |
| 1858 | y1 = (*yuv - 16) * 76310; |
| 1859 | if (mmap_kludge) { |
| 1860 | r = *(rgb+2-linesize); |
| 1861 | g = *(rgb+1-linesize); |
| 1862 | b = *(rgb-linesize); |
| 1863 | } else { |
| 1864 | r = *(rgb-linesize); |
| 1865 | g = *(rgb+1-linesize); |
| 1866 | b = *(rgb+2-linesize); |
| 1867 | } |
| 1868 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; |
| 1869 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; |
| 1870 | r = 104635 * v; |
| 1871 | g = -25690 * u + -53294 * v; |
| 1872 | b = 132278 * u; |
| 1873 | if (mmap_kludge) { |
| 1874 | *rgb++ = LIMIT(b+y); |
| 1875 | *rgb++ = LIMIT(g+y); |
| 1876 | *rgb++ = LIMIT(r+y); |
| 1877 | if(out_fmt == VIDEO_PALETTE_RGB32) |
| 1878 | rgb++; |
| 1879 | *rgb++ = LIMIT(b+y1); |
| 1880 | *rgb++ = LIMIT(g+y1); |
| 1881 | *rgb = LIMIT(r+y1); |
| 1882 | } else { |
| 1883 | *rgb++ = LIMIT(r+y); |
| 1884 | *rgb++ = LIMIT(g+y); |
| 1885 | *rgb++ = LIMIT(b+y); |
| 1886 | if(out_fmt == VIDEO_PALETTE_RGB32) |
| 1887 | rgb++; |
| 1888 | *rgb++ = LIMIT(r+y1); |
| 1889 | *rgb++ = LIMIT(g+y1); |
| 1890 | *rgb = LIMIT(b+y1); |
| 1891 | } |
| 1892 | if(out_fmt == VIDEO_PALETTE_RGB32) |
| 1893 | return 8; |
| 1894 | return 6; |
| 1895 | case VIDEO_PALETTE_YUV422: |
| 1896 | case VIDEO_PALETTE_YUYV: |
| 1897 | y = *yuv++; |
| 1898 | u = *(rgb+1-linesize); |
| 1899 | y1 = *yuv; |
| 1900 | v = *(rgb+3-linesize); |
| 1901 | *rgb++ = y; |
| 1902 | *rgb++ = u; |
| 1903 | *rgb++ = y1; |
| 1904 | *rgb = v; |
| 1905 | return 4; |
| 1906 | case VIDEO_PALETTE_UYVY: |
| 1907 | u = *(rgb-linesize); |
| 1908 | y = *yuv++; |
| 1909 | v = *(rgb+2-linesize); |
| 1910 | y1 = *yuv; |
| 1911 | *rgb++ = u; |
| 1912 | *rgb++ = y; |
| 1913 | *rgb++ = v; |
| 1914 | *rgb = y1; |
| 1915 | return 4; |
| 1916 | case VIDEO_PALETTE_GREY: |
| 1917 | *rgb++ = *yuv++; |
| 1918 | *rgb = *yuv; |
| 1919 | return 2; |
| 1920 | default: |
| 1921 | DBG("Empty: %d\n", out_fmt); |
| 1922 | return 0; |
| 1923 | } |
| 1924 | } |
| 1925 | |
| 1926 | |
| 1927 | static int yuvconvert(unsigned char *yuv, unsigned char *rgb, int out_fmt, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 1928 | int in_uyvy, int mmap_kludge) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1929 | { |
| 1930 | int y, u, v, r, g, b, y1; |
| 1931 | |
| 1932 | switch(out_fmt) { |
| 1933 | case VIDEO_PALETTE_RGB555: |
| 1934 | case VIDEO_PALETTE_RGB565: |
| 1935 | case VIDEO_PALETTE_RGB24: |
| 1936 | case VIDEO_PALETTE_RGB32: |
| 1937 | if (in_uyvy) { |
| 1938 | u = *yuv++ - 128; |
| 1939 | y = (*yuv++ - 16) * 76310; |
| 1940 | v = *yuv++ - 128; |
| 1941 | y1 = (*yuv - 16) * 76310; |
| 1942 | } else { |
| 1943 | y = (*yuv++ - 16) * 76310; |
| 1944 | u = *yuv++ - 128; |
| 1945 | y1 = (*yuv++ - 16) * 76310; |
| 1946 | v = *yuv - 128; |
| 1947 | } |
| 1948 | r = 104635 * v; |
| 1949 | g = -25690 * u + -53294 * v; |
| 1950 | b = 132278 * u; |
| 1951 | break; |
| 1952 | default: |
| 1953 | y = *yuv++; |
| 1954 | u = *yuv++; |
| 1955 | y1 = *yuv++; |
| 1956 | v = *yuv; |
| 1957 | /* Just to avoid compiler warnings */ |
| 1958 | r = 0; |
| 1959 | g = 0; |
| 1960 | b = 0; |
| 1961 | break; |
| 1962 | } |
| 1963 | switch(out_fmt) { |
| 1964 | case VIDEO_PALETTE_RGB555: |
| 1965 | *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); |
| 1966 | *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); |
| 1967 | *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); |
| 1968 | *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); |
| 1969 | return 4; |
| 1970 | case VIDEO_PALETTE_RGB565: |
| 1971 | *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); |
| 1972 | *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); |
| 1973 | *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); |
| 1974 | *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); |
| 1975 | return 4; |
| 1976 | case VIDEO_PALETTE_RGB24: |
| 1977 | if (mmap_kludge) { |
| 1978 | *rgb++ = LIMIT(b+y); |
| 1979 | *rgb++ = LIMIT(g+y); |
| 1980 | *rgb++ = LIMIT(r+y); |
| 1981 | *rgb++ = LIMIT(b+y1); |
| 1982 | *rgb++ = LIMIT(g+y1); |
| 1983 | *rgb = LIMIT(r+y1); |
| 1984 | } else { |
| 1985 | *rgb++ = LIMIT(r+y); |
| 1986 | *rgb++ = LIMIT(g+y); |
| 1987 | *rgb++ = LIMIT(b+y); |
| 1988 | *rgb++ = LIMIT(r+y1); |
| 1989 | *rgb++ = LIMIT(g+y1); |
| 1990 | *rgb = LIMIT(b+y1); |
| 1991 | } |
| 1992 | return 6; |
| 1993 | case VIDEO_PALETTE_RGB32: |
| 1994 | if (mmap_kludge) { |
| 1995 | *rgb++ = LIMIT(b+y); |
| 1996 | *rgb++ = LIMIT(g+y); |
| 1997 | *rgb++ = LIMIT(r+y); |
| 1998 | rgb++; |
| 1999 | *rgb++ = LIMIT(b+y1); |
| 2000 | *rgb++ = LIMIT(g+y1); |
| 2001 | *rgb = LIMIT(r+y1); |
| 2002 | } else { |
| 2003 | *rgb++ = LIMIT(r+y); |
| 2004 | *rgb++ = LIMIT(g+y); |
| 2005 | *rgb++ = LIMIT(b+y); |
| 2006 | rgb++; |
| 2007 | *rgb++ = LIMIT(r+y1); |
| 2008 | *rgb++ = LIMIT(g+y1); |
| 2009 | *rgb = LIMIT(b+y1); |
| 2010 | } |
| 2011 | return 8; |
| 2012 | case VIDEO_PALETTE_GREY: |
| 2013 | *rgb++ = y; |
| 2014 | *rgb = y1; |
| 2015 | return 2; |
| 2016 | case VIDEO_PALETTE_YUV422: |
| 2017 | case VIDEO_PALETTE_YUYV: |
| 2018 | *rgb++ = y; |
| 2019 | *rgb++ = u; |
| 2020 | *rgb++ = y1; |
| 2021 | *rgb = v; |
| 2022 | return 4; |
| 2023 | case VIDEO_PALETTE_UYVY: |
| 2024 | *rgb++ = u; |
| 2025 | *rgb++ = y; |
| 2026 | *rgb++ = v; |
| 2027 | *rgb = y1; |
| 2028 | return 4; |
| 2029 | default: |
| 2030 | DBG("Empty: %d\n", out_fmt); |
| 2031 | return 0; |
| 2032 | } |
| 2033 | } |
| 2034 | |
| 2035 | static int skipcount(int count, int fmt) |
| 2036 | { |
| 2037 | switch(fmt) { |
| 2038 | case VIDEO_PALETTE_GREY: |
| 2039 | return count; |
| 2040 | case VIDEO_PALETTE_RGB555: |
| 2041 | case VIDEO_PALETTE_RGB565: |
| 2042 | case VIDEO_PALETTE_YUV422: |
| 2043 | case VIDEO_PALETTE_YUYV: |
| 2044 | case VIDEO_PALETTE_UYVY: |
| 2045 | return 2*count; |
| 2046 | case VIDEO_PALETTE_RGB24: |
| 2047 | return 3*count; |
| 2048 | case VIDEO_PALETTE_RGB32: |
| 2049 | return 4*count; |
| 2050 | default: |
| 2051 | return 0; |
| 2052 | } |
| 2053 | } |
| 2054 | |
| 2055 | static int parse_picture(struct cam_data *cam, int size) |
| 2056 | { |
| 2057 | u8 *obuf, *ibuf, *end_obuf; |
| 2058 | int ll, in_uyvy, compressed, decimation, even_line, origsize, out_fmt; |
| 2059 | int rows, cols, linesize, subsample_422; |
| 2060 | |
| 2061 | /* make sure params don't change while we are decoding */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2062 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2063 | |
| 2064 | obuf = cam->decompressed_frame.data; |
| 2065 | end_obuf = obuf+CPIA_MAX_FRAME_SIZE; |
| 2066 | ibuf = cam->raw_image; |
| 2067 | origsize = size; |
| 2068 | out_fmt = cam->vp.palette; |
| 2069 | |
| 2070 | if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) { |
| 2071 | LOG("header not found\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2072 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2073 | return -1; |
| 2074 | } |
| 2075 | |
| 2076 | if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) { |
| 2077 | LOG("wrong video size\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2078 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2079 | return -1; |
| 2080 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2081 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2082 | if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) { |
| 2083 | LOG("illegal subtype %d\n",ibuf[17]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2084 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2085 | return -1; |
| 2086 | } |
| 2087 | subsample_422 = ibuf[17] == SUBSAMPLE_422; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2088 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2089 | if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) { |
| 2090 | LOG("illegal yuvorder %d\n",ibuf[18]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2091 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2092 | return -1; |
| 2093 | } |
| 2094 | in_uyvy = ibuf[18] == YUVORDER_UYVY; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2095 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2096 | if ((ibuf[24] != cam->params.roi.colStart) || |
| 2097 | (ibuf[25] != cam->params.roi.colEnd) || |
| 2098 | (ibuf[26] != cam->params.roi.rowStart) || |
| 2099 | (ibuf[27] != cam->params.roi.rowEnd)) { |
| 2100 | LOG("ROI mismatch\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2101 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2102 | return -1; |
| 2103 | } |
| 2104 | cols = 8*(ibuf[25] - ibuf[24]); |
| 2105 | rows = 4*(ibuf[27] - ibuf[26]); |
| 2106 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2108 | if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) { |
| 2109 | LOG("illegal compression %d\n",ibuf[28]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2110 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2111 | return -1; |
| 2112 | } |
| 2113 | compressed = (ibuf[28] == COMPRESSED); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2114 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2115 | if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) { |
| 2116 | LOG("illegal decimation %d\n",ibuf[29]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2117 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2118 | return -1; |
| 2119 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2120 | decimation = (ibuf[29] == DECIMATION_ENAB); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2121 | |
| 2122 | cam->params.yuvThreshold.yThreshold = ibuf[30]; |
| 2123 | cam->params.yuvThreshold.uvThreshold = ibuf[31]; |
| 2124 | cam->params.status.systemState = ibuf[32]; |
| 2125 | cam->params.status.grabState = ibuf[33]; |
| 2126 | cam->params.status.streamState = ibuf[34]; |
| 2127 | cam->params.status.fatalError = ibuf[35]; |
| 2128 | cam->params.status.cmdError = ibuf[36]; |
| 2129 | cam->params.status.debugFlags = ibuf[37]; |
| 2130 | cam->params.status.vpStatus = ibuf[38]; |
| 2131 | cam->params.status.errorCode = ibuf[39]; |
| 2132 | cam->fps = ibuf[41]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2133 | mutex_unlock(&cam->param_lock); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2134 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2135 | linesize = skipcount(cols, out_fmt); |
| 2136 | ibuf += FRAME_HEADER_SIZE; |
| 2137 | size -= FRAME_HEADER_SIZE; |
| 2138 | ll = ibuf[0] | (ibuf[1] << 8); |
| 2139 | ibuf += 2; |
| 2140 | even_line = 1; |
| 2141 | |
| 2142 | while (size > 0) { |
| 2143 | size -= (ll+2); |
| 2144 | if (size < 0) { |
| 2145 | LOG("Insufficient data in buffer\n"); |
| 2146 | return -1; |
| 2147 | } |
| 2148 | |
| 2149 | while (ll > 1) { |
| 2150 | if (!compressed || (compressed && !(*ibuf & 1))) { |
| 2151 | if(subsample_422 || even_line) { |
| 2152 | obuf += yuvconvert(ibuf, obuf, out_fmt, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2153 | in_uyvy, cam->mmap_kludge); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2154 | ibuf += 4; |
| 2155 | ll -= 4; |
| 2156 | } else { |
| 2157 | /* SUBSAMPLE_420 on an odd line */ |
| 2158 | obuf += convert420(ibuf, obuf, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2159 | out_fmt, linesize, |
| 2160 | cam->mmap_kludge); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2161 | ibuf += 2; |
| 2162 | ll -= 2; |
| 2163 | } |
| 2164 | } else { |
| 2165 | /*skip compressed interval from previous frame*/ |
| 2166 | obuf += skipcount(*ibuf >> 1, out_fmt); |
| 2167 | if (obuf > end_obuf) { |
| 2168 | LOG("Insufficient buffer size\n"); |
| 2169 | return -1; |
| 2170 | } |
| 2171 | ++ibuf; |
| 2172 | ll--; |
| 2173 | } |
| 2174 | } |
| 2175 | if (ll == 1) { |
| 2176 | if (*ibuf != EOL) { |
| 2177 | DBG("EOL not found giving up after %d/%d" |
| 2178 | " bytes\n", origsize-size, origsize); |
| 2179 | return -1; |
| 2180 | } |
| 2181 | |
| 2182 | ++ibuf; /* skip over EOL */ |
| 2183 | |
| 2184 | if ((size > 3) && (ibuf[0] == EOI) && (ibuf[1] == EOI) && |
| 2185 | (ibuf[2] == EOI) && (ibuf[3] == EOI)) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2186 | size -= 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2187 | break; |
| 2188 | } |
| 2189 | |
| 2190 | if(decimation) { |
| 2191 | /* skip the odd lines for now */ |
| 2192 | obuf += linesize; |
| 2193 | } |
| 2194 | |
| 2195 | if (size > 1) { |
| 2196 | ll = ibuf[0] | (ibuf[1] << 8); |
| 2197 | ibuf += 2; /* skip over line length */ |
| 2198 | } |
| 2199 | if(!decimation) |
| 2200 | even_line = !even_line; |
| 2201 | } else { |
| 2202 | LOG("line length was not 1 but %d after %d/%d bytes\n", |
| 2203 | ll, origsize-size, origsize); |
| 2204 | return -1; |
| 2205 | } |
| 2206 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2207 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2208 | if(decimation) { |
| 2209 | /* interpolate odd rows */ |
| 2210 | int i, j; |
| 2211 | u8 *prev, *next; |
| 2212 | prev = cam->decompressed_frame.data; |
| 2213 | obuf = prev+linesize; |
| 2214 | next = obuf+linesize; |
| 2215 | for(i=1; i<rows-1; i+=2) { |
| 2216 | for(j=0; j<linesize; ++j) { |
| 2217 | *obuf++ = ((int)*prev++ + *next++) / 2; |
| 2218 | } |
| 2219 | prev += linesize; |
| 2220 | obuf += linesize; |
| 2221 | next += linesize; |
| 2222 | } |
| 2223 | /* last row is odd, just copy previous row */ |
| 2224 | memcpy(obuf, prev, linesize); |
| 2225 | } |
| 2226 | |
| 2227 | cam->decompressed_frame.count = obuf-cam->decompressed_frame.data; |
| 2228 | |
| 2229 | return cam->decompressed_frame.count; |
| 2230 | } |
| 2231 | |
| 2232 | /* InitStreamCap wrapper to select correct start line */ |
| 2233 | static inline int init_stream_cap(struct cam_data *cam) |
| 2234 | { |
| 2235 | return do_command(cam, CPIA_COMMAND_InitStreamCap, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2236 | 0, cam->params.streamStartLine, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2237 | } |
| 2238 | |
| 2239 | |
| 2240 | /* find_over_exposure |
| 2241 | * Finds a suitable value of OverExposure for use with SetFlickerCtrl |
| 2242 | * Some calculation is required because this value changes with the brightness |
| 2243 | * set with SetColourParameters |
| 2244 | * |
| 2245 | * Parameters: Brightness - last brightness value set with SetColourParameters |
| 2246 | * |
| 2247 | * Returns: OverExposure value to use with SetFlickerCtrl |
| 2248 | */ |
| 2249 | #define FLICKER_MAX_EXPOSURE 250 |
| 2250 | #define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 |
| 2251 | #define FLICKER_BRIGHTNESS_CONSTANT 59 |
| 2252 | static int find_over_exposure(int brightness) |
| 2253 | { |
| 2254 | int MaxAllowableOverExposure, OverExposure; |
| 2255 | |
| 2256 | MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2257 | FLICKER_BRIGHTNESS_CONSTANT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2258 | |
| 2259 | if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) { |
| 2260 | OverExposure = MaxAllowableOverExposure; |
| 2261 | } else { |
| 2262 | OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; |
| 2263 | } |
| 2264 | |
| 2265 | return OverExposure; |
| 2266 | } |
| 2267 | #undef FLICKER_MAX_EXPOSURE |
| 2268 | #undef FLICKER_ALLOWABLE_OVER_EXPOSURE |
| 2269 | #undef FLICKER_BRIGHTNESS_CONSTANT |
| 2270 | |
| 2271 | /* update various camera modes and settings */ |
| 2272 | static void dispatch_commands(struct cam_data *cam) |
| 2273 | { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2274 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2275 | if (cam->cmd_queue==COMMAND_NONE) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2276 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2277 | return; |
| 2278 | } |
| 2279 | DEB_BYTE(cam->cmd_queue); |
| 2280 | DEB_BYTE(cam->cmd_queue>>8); |
| 2281 | if (cam->cmd_queue & COMMAND_SETFORMAT) { |
| 2282 | do_command(cam, CPIA_COMMAND_SetFormat, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2283 | cam->params.format.videoSize, |
| 2284 | cam->params.format.subSample, |
| 2285 | cam->params.format.yuvOrder, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2286 | do_command(cam, CPIA_COMMAND_SetROI, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2287 | cam->params.roi.colStart, cam->params.roi.colEnd, |
| 2288 | cam->params.roi.rowStart, cam->params.roi.rowEnd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2289 | cam->first_frame = 1; |
| 2290 | } |
| 2291 | |
| 2292 | if (cam->cmd_queue & COMMAND_SETCOLOURPARAMS) |
| 2293 | do_command(cam, CPIA_COMMAND_SetColourParams, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2294 | cam->params.colourParams.brightness, |
| 2295 | cam->params.colourParams.contrast, |
| 2296 | cam->params.colourParams.saturation, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2297 | |
| 2298 | if (cam->cmd_queue & COMMAND_SETAPCOR) |
| 2299 | do_command(cam, CPIA_COMMAND_SetApcor, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2300 | cam->params.apcor.gain1, |
| 2301 | cam->params.apcor.gain2, |
| 2302 | cam->params.apcor.gain4, |
| 2303 | cam->params.apcor.gain8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2304 | |
| 2305 | if (cam->cmd_queue & COMMAND_SETVLOFFSET) |
| 2306 | do_command(cam, CPIA_COMMAND_SetVLOffset, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2307 | cam->params.vlOffset.gain1, |
| 2308 | cam->params.vlOffset.gain2, |
| 2309 | cam->params.vlOffset.gain4, |
| 2310 | cam->params.vlOffset.gain8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2311 | |
| 2312 | if (cam->cmd_queue & COMMAND_SETEXPOSURE) { |
| 2313 | do_command_extended(cam, CPIA_COMMAND_SetExposure, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2314 | cam->params.exposure.gainMode, |
| 2315 | 1, |
| 2316 | cam->params.exposure.compMode, |
| 2317 | cam->params.exposure.centreWeight, |
| 2318 | cam->params.exposure.gain, |
| 2319 | cam->params.exposure.fineExp, |
| 2320 | cam->params.exposure.coarseExpLo, |
| 2321 | cam->params.exposure.coarseExpHi, |
| 2322 | cam->params.exposure.redComp, |
| 2323 | cam->params.exposure.green1Comp, |
| 2324 | cam->params.exposure.green2Comp, |
| 2325 | cam->params.exposure.blueComp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2326 | if(cam->params.exposure.expMode != 1) { |
| 2327 | do_command_extended(cam, CPIA_COMMAND_SetExposure, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2328 | 0, |
| 2329 | cam->params.exposure.expMode, |
| 2330 | 0, 0, |
| 2331 | cam->params.exposure.gain, |
| 2332 | cam->params.exposure.fineExp, |
| 2333 | cam->params.exposure.coarseExpLo, |
| 2334 | cam->params.exposure.coarseExpHi, |
| 2335 | 0, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2336 | } |
| 2337 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2338 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2339 | if (cam->cmd_queue & COMMAND_SETCOLOURBALANCE) { |
| 2340 | if (cam->params.colourBalance.balanceMode == 1) { |
| 2341 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2342 | 1, |
| 2343 | cam->params.colourBalance.redGain, |
| 2344 | cam->params.colourBalance.greenGain, |
| 2345 | cam->params.colourBalance.blueGain); |
| 2346 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2347 | 3, 0, 0, 0); |
| 2348 | } |
| 2349 | if (cam->params.colourBalance.balanceMode == 2) { |
| 2350 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2351 | 2, 0, 0, 0); |
| 2352 | } |
| 2353 | if (cam->params.colourBalance.balanceMode == 3) { |
| 2354 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2355 | 3, 0, 0, 0); |
| 2356 | } |
| 2357 | } |
| 2358 | |
| 2359 | if (cam->cmd_queue & COMMAND_SETCOMPRESSIONTARGET) |
| 2360 | do_command(cam, CPIA_COMMAND_SetCompressionTarget, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2361 | cam->params.compressionTarget.frTargeting, |
| 2362 | cam->params.compressionTarget.targetFR, |
| 2363 | cam->params.compressionTarget.targetQ, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2364 | |
| 2365 | if (cam->cmd_queue & COMMAND_SETYUVTHRESH) |
| 2366 | do_command(cam, CPIA_COMMAND_SetYUVThresh, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2367 | cam->params.yuvThreshold.yThreshold, |
| 2368 | cam->params.yuvThreshold.uvThreshold, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2369 | |
| 2370 | if (cam->cmd_queue & COMMAND_SETCOMPRESSIONPARAMS) |
| 2371 | do_command_extended(cam, CPIA_COMMAND_SetCompressionParams, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2372 | 0, 0, 0, 0, |
| 2373 | cam->params.compressionParams.hysteresis, |
| 2374 | cam->params.compressionParams.threshMax, |
| 2375 | cam->params.compressionParams.smallStep, |
| 2376 | cam->params.compressionParams.largeStep, |
| 2377 | cam->params.compressionParams.decimationHysteresis, |
| 2378 | cam->params.compressionParams.frDiffStepThresh, |
| 2379 | cam->params.compressionParams.qDiffStepThresh, |
| 2380 | cam->params.compressionParams.decimationThreshMod); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2381 | |
| 2382 | if (cam->cmd_queue & COMMAND_SETCOMPRESSION) |
| 2383 | do_command(cam, CPIA_COMMAND_SetCompression, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2384 | cam->params.compression.mode, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2385 | cam->params.compression.decimation, 0, 0); |
| 2386 | |
| 2387 | if (cam->cmd_queue & COMMAND_SETSENSORFPS) |
| 2388 | do_command(cam, CPIA_COMMAND_SetSensorFPS, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2389 | cam->params.sensorFps.divisor, |
| 2390 | cam->params.sensorFps.baserate, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2391 | |
| 2392 | if (cam->cmd_queue & COMMAND_SETFLICKERCTRL) |
| 2393 | do_command(cam, CPIA_COMMAND_SetFlickerCtrl, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2394 | cam->params.flickerControl.flickerMode, |
| 2395 | cam->params.flickerControl.coarseJump, |
| 2396 | abs(cam->params.flickerControl.allowableOverExposure), |
| 2397 | 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2398 | |
| 2399 | if (cam->cmd_queue & COMMAND_SETECPTIMING) |
| 2400 | do_command(cam, CPIA_COMMAND_SetECPTiming, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2401 | cam->params.ecpTiming, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2402 | |
| 2403 | if (cam->cmd_queue & COMMAND_PAUSE) |
| 2404 | do_command(cam, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); |
| 2405 | |
| 2406 | if (cam->cmd_queue & COMMAND_RESUME) |
| 2407 | init_stream_cap(cam); |
| 2408 | |
| 2409 | if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected) |
| 2410 | { |
| 2411 | int p1 = (cam->params.qx3.bottomlight == 0) << 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2412 | int p2 = (cam->params.qx3.toplight == 0) << 3; |
| 2413 | do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0); |
| 2414 | do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2415 | } |
| 2416 | |
| 2417 | cam->cmd_queue = COMMAND_NONE; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2418 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2419 | return; |
| 2420 | } |
| 2421 | |
| 2422 | |
| 2423 | |
| 2424 | static void set_flicker(struct cam_params *params, volatile u32 *command_flags, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2425 | int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2426 | { |
| 2427 | /* Everything in here is from the Windows driver */ |
| 2428 | #define FIRMWARE_VERSION(x,y) (params->version.firmwareVersion == (x) && \ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2429 | params->version.firmwareRevision == (y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2430 | /* define for compgain calculation */ |
| 2431 | #if 0 |
| 2432 | #define COMPGAIN(base, curexp, newexp) \ |
| 2433 | (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) |
| 2434 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ |
| 2435 | (u16)((float)curexp * (float)(u8)(curcomp + 128) / (float)(u8)(basecomp - 128)) |
| 2436 | #else |
| 2437 | /* equivalent functions without floating point math */ |
| 2438 | #define COMPGAIN(base, curexp, newexp) \ |
| 2439 | (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2* newexp)) ) |
| 2440 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ |
| 2441 | (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) |
| 2442 | #endif |
| 2443 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2444 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2445 | int currentexp = params->exposure.coarseExpLo + |
| 2446 | params->exposure.coarseExpHi*256; |
| 2447 | int startexp; |
| 2448 | if (on) { |
| 2449 | int cj = params->flickerControl.coarseJump; |
| 2450 | params->flickerControl.flickerMode = 1; |
| 2451 | params->flickerControl.disabled = 0; |
| 2452 | if(params->exposure.expMode != 2) |
| 2453 | *command_flags |= COMMAND_SETEXPOSURE; |
| 2454 | params->exposure.expMode = 2; |
| 2455 | currentexp = currentexp << params->exposure.gain; |
| 2456 | params->exposure.gain = 0; |
| 2457 | /* round down current exposure to nearest value */ |
| 2458 | startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; |
| 2459 | if(startexp < 1) |
| 2460 | startexp = 1; |
| 2461 | startexp = (startexp * cj) - 1; |
| 2462 | if(FIRMWARE_VERSION(1,2)) |
| 2463 | while(startexp > MAX_EXP_102) |
| 2464 | startexp -= cj; |
| 2465 | else |
| 2466 | while(startexp > MAX_EXP) |
| 2467 | startexp -= cj; |
| 2468 | params->exposure.coarseExpLo = startexp & 0xff; |
| 2469 | params->exposure.coarseExpHi = startexp >> 8; |
| 2470 | if (currentexp > startexp) { |
| 2471 | if (currentexp > (2 * startexp)) |
| 2472 | currentexp = 2 * startexp; |
| 2473 | params->exposure.redComp = COMPGAIN (COMP_RED, currentexp, startexp); |
| 2474 | params->exposure.green1Comp = COMPGAIN (COMP_GREEN1, currentexp, startexp); |
| 2475 | params->exposure.green2Comp = COMPGAIN (COMP_GREEN2, currentexp, startexp); |
| 2476 | params->exposure.blueComp = COMPGAIN (COMP_BLUE, currentexp, startexp); |
| 2477 | } else { |
| 2478 | params->exposure.redComp = COMP_RED; |
| 2479 | params->exposure.green1Comp = COMP_GREEN1; |
| 2480 | params->exposure.green2Comp = COMP_GREEN2; |
| 2481 | params->exposure.blueComp = COMP_BLUE; |
| 2482 | } |
| 2483 | if(FIRMWARE_VERSION(1,2)) |
| 2484 | params->exposure.compMode = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2485 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2486 | params->exposure.compMode = 1; |
| 2487 | |
| 2488 | params->apcor.gain1 = 0x18; |
| 2489 | params->apcor.gain2 = 0x18; |
| 2490 | params->apcor.gain4 = 0x16; |
| 2491 | params->apcor.gain8 = 0x14; |
| 2492 | *command_flags |= COMMAND_SETAPCOR; |
| 2493 | } else { |
| 2494 | params->flickerControl.flickerMode = 0; |
| 2495 | params->flickerControl.disabled = 1; |
| 2496 | /* Coarse = average of equivalent coarse for each comp channel */ |
| 2497 | startexp = EXP_FROM_COMP(COMP_RED, params->exposure.redComp, currentexp); |
| 2498 | startexp += EXP_FROM_COMP(COMP_GREEN1, params->exposure.green1Comp, currentexp); |
| 2499 | startexp += EXP_FROM_COMP(COMP_GREEN2, params->exposure.green2Comp, currentexp); |
| 2500 | startexp += EXP_FROM_COMP(COMP_BLUE, params->exposure.blueComp, currentexp); |
| 2501 | startexp = startexp >> 2; |
| 2502 | while(startexp > MAX_EXP && |
| 2503 | params->exposure.gain < params->exposure.gainMode-1) { |
| 2504 | startexp = startexp >> 1; |
| 2505 | ++params->exposure.gain; |
| 2506 | } |
| 2507 | if(FIRMWARE_VERSION(1,2) && startexp > MAX_EXP_102) |
| 2508 | startexp = MAX_EXP_102; |
| 2509 | if(startexp > MAX_EXP) |
| 2510 | startexp = MAX_EXP; |
| 2511 | params->exposure.coarseExpLo = startexp&0xff; |
| 2512 | params->exposure.coarseExpHi = startexp >> 8; |
| 2513 | params->exposure.redComp = COMP_RED; |
| 2514 | params->exposure.green1Comp = COMP_GREEN1; |
| 2515 | params->exposure.green2Comp = COMP_GREEN2; |
| 2516 | params->exposure.blueComp = COMP_BLUE; |
| 2517 | params->exposure.compMode = 1; |
| 2518 | *command_flags |= COMMAND_SETEXPOSURE; |
| 2519 | params->apcor.gain1 = 0x18; |
| 2520 | params->apcor.gain2 = 0x16; |
| 2521 | params->apcor.gain4 = 0x24; |
| 2522 | params->apcor.gain8 = 0x34; |
| 2523 | *command_flags |= COMMAND_SETAPCOR; |
| 2524 | } |
| 2525 | params->vlOffset.gain1 = 20; |
| 2526 | params->vlOffset.gain2 = 24; |
| 2527 | params->vlOffset.gain4 = 26; |
| 2528 | params->vlOffset.gain8 = 26; |
| 2529 | *command_flags |= COMMAND_SETVLOFFSET; |
| 2530 | #undef FIRMWARE_VERSION |
| 2531 | #undef EXP_FROM_COMP |
| 2532 | #undef COMPGAIN |
| 2533 | } |
| 2534 | |
| 2535 | #define FIRMWARE_VERSION(x,y) (cam->params.version.firmwareVersion == (x) && \ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2536 | cam->params.version.firmwareRevision == (y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2537 | /* monitor the exposure and adjust the sensor frame rate if needed */ |
| 2538 | static void monitor_exposure(struct cam_data *cam) |
| 2539 | { |
| 2540 | u8 exp_acc, bcomp, gain, coarseL, cmd[8], data[8]; |
| 2541 | int retval, light_exp, dark_exp, very_dark_exp; |
| 2542 | int old_exposure, new_exposure, framerate; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2543 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2544 | /* get necessary stats and register settings from camera */ |
| 2545 | /* do_command can't handle this, so do it ourselves */ |
| 2546 | cmd[0] = CPIA_COMMAND_ReadVPRegs>>8; |
| 2547 | cmd[1] = CPIA_COMMAND_ReadVPRegs&0xff; |
| 2548 | cmd[2] = 30; |
| 2549 | cmd[3] = 4; |
| 2550 | cmd[4] = 9; |
| 2551 | cmd[5] = 8; |
| 2552 | cmd[6] = 8; |
| 2553 | cmd[7] = 0; |
| 2554 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); |
| 2555 | if (retval) { |
| 2556 | LOG("ReadVPRegs(30,4,9,8) - failed, retval=%d\n", |
| 2557 | retval); |
| 2558 | return; |
| 2559 | } |
| 2560 | exp_acc = data[0]; |
| 2561 | bcomp = data[1]; |
| 2562 | gain = data[2]; |
| 2563 | coarseL = data[3]; |
| 2564 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2565 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2566 | light_exp = cam->params.colourParams.brightness + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2567 | TC - 50 + EXP_ACC_LIGHT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2568 | if(light_exp > 255) |
| 2569 | light_exp = 255; |
| 2570 | dark_exp = cam->params.colourParams.brightness + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2571 | TC - 50 - EXP_ACC_DARK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2572 | if(dark_exp < 0) |
| 2573 | dark_exp = 0; |
| 2574 | very_dark_exp = dark_exp/2; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2575 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2576 | old_exposure = cam->params.exposure.coarseExpHi * 256 + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2577 | cam->params.exposure.coarseExpLo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2578 | |
| 2579 | if(!cam->params.flickerControl.disabled) { |
| 2580 | /* Flicker control on */ |
| 2581 | int max_comp = FIRMWARE_VERSION(1,2) ? MAX_COMP : HIGH_COMP_102; |
| 2582 | bcomp += 128; /* decode */ |
| 2583 | if(bcomp >= max_comp && exp_acc < dark_exp) { |
| 2584 | /* dark */ |
| 2585 | if(exp_acc < very_dark_exp) { |
| 2586 | /* very dark */ |
| 2587 | if(cam->exposure_status == EXPOSURE_VERY_DARK) |
| 2588 | ++cam->exposure_count; |
| 2589 | else { |
| 2590 | cam->exposure_status = EXPOSURE_VERY_DARK; |
| 2591 | cam->exposure_count = 1; |
| 2592 | } |
| 2593 | } else { |
| 2594 | /* just dark */ |
| 2595 | if(cam->exposure_status == EXPOSURE_DARK) |
| 2596 | ++cam->exposure_count; |
| 2597 | else { |
| 2598 | cam->exposure_status = EXPOSURE_DARK; |
| 2599 | cam->exposure_count = 1; |
| 2600 | } |
| 2601 | } |
| 2602 | } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { |
| 2603 | /* light */ |
| 2604 | if(old_exposure <= VERY_LOW_EXP) { |
| 2605 | /* very light */ |
| 2606 | if(cam->exposure_status == EXPOSURE_VERY_LIGHT) |
| 2607 | ++cam->exposure_count; |
| 2608 | else { |
| 2609 | cam->exposure_status = EXPOSURE_VERY_LIGHT; |
| 2610 | cam->exposure_count = 1; |
| 2611 | } |
| 2612 | } else { |
| 2613 | /* just light */ |
| 2614 | if(cam->exposure_status == EXPOSURE_LIGHT) |
| 2615 | ++cam->exposure_count; |
| 2616 | else { |
| 2617 | cam->exposure_status = EXPOSURE_LIGHT; |
| 2618 | cam->exposure_count = 1; |
| 2619 | } |
| 2620 | } |
| 2621 | } else { |
| 2622 | /* not dark or light */ |
| 2623 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2624 | } |
| 2625 | } else { |
| 2626 | /* Flicker control off */ |
| 2627 | if(old_exposure >= MAX_EXP && exp_acc < dark_exp) { |
| 2628 | /* dark */ |
| 2629 | if(exp_acc < very_dark_exp) { |
| 2630 | /* very dark */ |
| 2631 | if(cam->exposure_status == EXPOSURE_VERY_DARK) |
| 2632 | ++cam->exposure_count; |
| 2633 | else { |
| 2634 | cam->exposure_status = EXPOSURE_VERY_DARK; |
| 2635 | cam->exposure_count = 1; |
| 2636 | } |
| 2637 | } else { |
| 2638 | /* just dark */ |
| 2639 | if(cam->exposure_status == EXPOSURE_DARK) |
| 2640 | ++cam->exposure_count; |
| 2641 | else { |
| 2642 | cam->exposure_status = EXPOSURE_DARK; |
| 2643 | cam->exposure_count = 1; |
| 2644 | } |
| 2645 | } |
| 2646 | } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { |
| 2647 | /* light */ |
| 2648 | if(old_exposure <= VERY_LOW_EXP) { |
| 2649 | /* very light */ |
| 2650 | if(cam->exposure_status == EXPOSURE_VERY_LIGHT) |
| 2651 | ++cam->exposure_count; |
| 2652 | else { |
| 2653 | cam->exposure_status = EXPOSURE_VERY_LIGHT; |
| 2654 | cam->exposure_count = 1; |
| 2655 | } |
| 2656 | } else { |
| 2657 | /* just light */ |
| 2658 | if(cam->exposure_status == EXPOSURE_LIGHT) |
| 2659 | ++cam->exposure_count; |
| 2660 | else { |
| 2661 | cam->exposure_status = EXPOSURE_LIGHT; |
| 2662 | cam->exposure_count = 1; |
| 2663 | } |
| 2664 | } |
| 2665 | } else { |
| 2666 | /* not dark or light */ |
| 2667 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2668 | } |
| 2669 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2670 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2671 | framerate = cam->fps; |
| 2672 | if(framerate > 30 || framerate < 1) |
| 2673 | framerate = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2674 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2675 | if(!cam->params.flickerControl.disabled) { |
| 2676 | /* Flicker control on */ |
| 2677 | if((cam->exposure_status == EXPOSURE_VERY_DARK || |
| 2678 | cam->exposure_status == EXPOSURE_DARK) && |
| 2679 | cam->exposure_count >= DARK_TIME*framerate && |
| 2680 | cam->params.sensorFps.divisor < 3) { |
| 2681 | |
| 2682 | /* dark for too long */ |
| 2683 | ++cam->params.sensorFps.divisor; |
| 2684 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2685 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2686 | cam->params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2687 | flicker_jumps[cam->mainsFreq] |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2688 | [cam->params.sensorFps.baserate] |
| 2689 | [cam->params.sensorFps.divisor]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2690 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; |
| 2691 | |
| 2692 | new_exposure = cam->params.flickerControl.coarseJump-1; |
| 2693 | while(new_exposure < old_exposure/2) |
| 2694 | new_exposure += cam->params.flickerControl.coarseJump; |
| 2695 | cam->params.exposure.coarseExpLo = new_exposure & 0xff; |
| 2696 | cam->params.exposure.coarseExpHi = new_exposure >> 8; |
| 2697 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2698 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2699 | LOG("Automatically decreasing sensor_fps\n"); |
| 2700 | |
| 2701 | } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || |
| 2702 | cam->exposure_status == EXPOSURE_LIGHT) && |
| 2703 | cam->exposure_count >= LIGHT_TIME*framerate && |
| 2704 | cam->params.sensorFps.divisor > 0) { |
| 2705 | |
| 2706 | /* light for too long */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2707 | int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2708 | |
| 2709 | --cam->params.sensorFps.divisor; |
| 2710 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2711 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2712 | cam->params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2713 | flicker_jumps[cam->mainsFreq] |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2714 | [cam->params.sensorFps.baserate] |
| 2715 | [cam->params.sensorFps.divisor]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2716 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; |
| 2717 | |
| 2718 | new_exposure = cam->params.flickerControl.coarseJump-1; |
| 2719 | while(new_exposure < 2*old_exposure && |
| 2720 | new_exposure+ |
| 2721 | cam->params.flickerControl.coarseJump < max_exp) |
| 2722 | new_exposure += cam->params.flickerControl.coarseJump; |
| 2723 | cam->params.exposure.coarseExpLo = new_exposure & 0xff; |
| 2724 | cam->params.exposure.coarseExpHi = new_exposure >> 8; |
| 2725 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2726 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2727 | LOG("Automatically increasing sensor_fps\n"); |
| 2728 | } |
| 2729 | } else { |
| 2730 | /* Flicker control off */ |
| 2731 | if((cam->exposure_status == EXPOSURE_VERY_DARK || |
| 2732 | cam->exposure_status == EXPOSURE_DARK) && |
| 2733 | cam->exposure_count >= DARK_TIME*framerate && |
| 2734 | cam->params.sensorFps.divisor < 3) { |
| 2735 | |
| 2736 | /* dark for too long */ |
| 2737 | ++cam->params.sensorFps.divisor; |
| 2738 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2739 | |
| 2740 | if(cam->params.exposure.gain > 0) { |
| 2741 | --cam->params.exposure.gain; |
| 2742 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2743 | } |
| 2744 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2745 | LOG("Automatically decreasing sensor_fps\n"); |
| 2746 | |
| 2747 | } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || |
| 2748 | cam->exposure_status == EXPOSURE_LIGHT) && |
| 2749 | cam->exposure_count >= LIGHT_TIME*framerate && |
| 2750 | cam->params.sensorFps.divisor > 0) { |
| 2751 | |
| 2752 | /* light for too long */ |
| 2753 | --cam->params.sensorFps.divisor; |
| 2754 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2755 | |
| 2756 | if(cam->params.exposure.gain < |
| 2757 | cam->params.exposure.gainMode-1) { |
| 2758 | ++cam->params.exposure.gain; |
| 2759 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2760 | } |
| 2761 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2762 | LOG("Automatically increasing sensor_fps\n"); |
| 2763 | } |
| 2764 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2765 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2766 | } |
| 2767 | |
| 2768 | /*-----------------------------------------------------------------*/ |
| 2769 | /* if flicker is switched off, this function switches it back on.It checks, |
| 2770 | however, that conditions are suitable before restarting it. |
| 2771 | This should only be called for firmware version 1.2. |
| 2772 | |
| 2773 | It also adjust the colour balance when an exposure step is detected - as |
| 2774 | long as flicker is running |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2775 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2776 | static void restart_flicker(struct cam_data *cam) |
| 2777 | { |
| 2778 | int cam_exposure, old_exp; |
| 2779 | if(!FIRMWARE_VERSION(1,2)) |
| 2780 | return; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2781 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2782 | if(cam->params.flickerControl.flickerMode == 0 || |
| 2783 | cam->raw_image[39] == 0) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2784 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2785 | return; |
| 2786 | } |
| 2787 | cam_exposure = cam->raw_image[39]*2; |
| 2788 | old_exp = cam->params.exposure.coarseExpLo + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2789 | cam->params.exposure.coarseExpHi*256; |
| 2790 | /* |
| 2791 | see how far away camera exposure is from a valid |
| 2792 | flicker exposure value |
| 2793 | */ |
| 2794 | cam_exposure %= cam->params.flickerControl.coarseJump; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2795 | if(!cam->params.flickerControl.disabled && |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2796 | cam_exposure <= cam->params.flickerControl.coarseJump - 3) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2797 | /* Flicker control auto-disabled */ |
| 2798 | cam->params.flickerControl.disabled = 1; |
| 2799 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2800 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2801 | if(cam->params.flickerControl.disabled && |
| 2802 | cam->params.flickerControl.flickerMode && |
| 2803 | old_exp > cam->params.flickerControl.coarseJump + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2804 | ROUND_UP_EXP_FOR_FLICKER) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2805 | /* exposure is now high enough to switch |
| 2806 | flicker control back on */ |
| 2807 | set_flicker(&cam->params, &cam->cmd_queue, 1); |
| 2808 | if((cam->cmd_queue & COMMAND_SETEXPOSURE) && |
| 2809 | cam->params.exposure.expMode == 2) |
| 2810 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2811 | |
| 2812 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2813 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2814 | } |
| 2815 | #undef FIRMWARE_VERSION |
| 2816 | |
| 2817 | static int clear_stall(struct cam_data *cam) |
| 2818 | { |
| 2819 | /* FIXME: Does this actually work? */ |
| 2820 | LOG("Clearing stall\n"); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2821 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2822 | cam->ops->streamRead(cam->lowlevel_data, cam->raw_image, 0); |
| 2823 | do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); |
| 2824 | return cam->params.status.streamState != STREAM_PAUSED; |
| 2825 | } |
| 2826 | |
| 2827 | /* kernel thread function to read image from camera */ |
| 2828 | static int fetch_frame(void *data) |
| 2829 | { |
| 2830 | int image_size, retry; |
| 2831 | struct cam_data *cam = (struct cam_data *)data; |
| 2832 | unsigned long oldjif, rate, diff; |
| 2833 | |
| 2834 | /* Allow up to two bad images in a row to be read and |
| 2835 | * ignored before an error is reported */ |
| 2836 | for (retry = 0; retry < 3; ++retry) { |
| 2837 | if (retry) |
| 2838 | DBG("retry=%d\n", retry); |
| 2839 | |
| 2840 | if (!cam->ops) |
| 2841 | continue; |
| 2842 | |
| 2843 | /* load first frame always uncompressed */ |
| 2844 | if (cam->first_frame && |
| 2845 | cam->params.compression.mode != CPIA_COMPRESSION_NONE) { |
| 2846 | do_command(cam, CPIA_COMMAND_SetCompression, |
| 2847 | CPIA_COMPRESSION_NONE, |
| 2848 | NO_DECIMATION, 0, 0); |
| 2849 | /* Trial & error - Discarding a frame prevents the |
| 2850 | first frame from having an error in the data. */ |
| 2851 | do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); |
| 2852 | } |
| 2853 | |
| 2854 | /* init camera upload */ |
| 2855 | if (do_command(cam, CPIA_COMMAND_GrabFrame, 0, |
| 2856 | cam->params.streamStartLine, 0, 0)) |
| 2857 | continue; |
| 2858 | |
| 2859 | if (cam->ops->wait_for_stream_ready) { |
| 2860 | /* loop until image ready */ |
| 2861 | int count = 0; |
| 2862 | do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); |
| 2863 | while (cam->params.status.streamState != STREAM_READY) { |
| 2864 | if(++count > READY_TIMEOUT) |
| 2865 | break; |
| 2866 | if(cam->params.status.streamState == |
| 2867 | STREAM_PAUSED) { |
| 2868 | /* Bad news */ |
| 2869 | if(!clear_stall(cam)) |
| 2870 | return -EIO; |
| 2871 | } |
| 2872 | |
| 2873 | cond_resched(); |
| 2874 | |
| 2875 | /* sleep for 10 ms, hopefully ;) */ |
| 2876 | msleep_interruptible(10); |
| 2877 | if (signal_pending(current)) |
| 2878 | return -EINTR; |
| 2879 | |
| 2880 | do_command(cam, CPIA_COMMAND_GetCameraStatus, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2881 | 0, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2882 | } |
| 2883 | if(cam->params.status.streamState != STREAM_READY) { |
| 2884 | continue; |
| 2885 | } |
| 2886 | } |
| 2887 | |
| 2888 | cond_resched(); |
| 2889 | |
| 2890 | /* grab image from camera */ |
| 2891 | oldjif = jiffies; |
| 2892 | image_size = cam->ops->streamRead(cam->lowlevel_data, |
| 2893 | cam->raw_image, 0); |
| 2894 | if (image_size <= 0) { |
| 2895 | DBG("streamRead failed: %d\n", image_size); |
| 2896 | continue; |
| 2897 | } |
| 2898 | |
| 2899 | rate = image_size * HZ / 1024; |
| 2900 | diff = jiffies-oldjif; |
| 2901 | cam->transfer_rate = diff==0 ? rate : rate/diff; |
| 2902 | /* diff==0 ? unlikely but possible */ |
| 2903 | |
| 2904 | /* Switch flicker control back on if it got turned off */ |
| 2905 | restart_flicker(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2906 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2907 | /* If AEC is enabled, monitor the exposure and |
| 2908 | adjust the sensor frame rate if needed */ |
| 2909 | if(cam->params.exposure.expMode == 2) |
| 2910 | monitor_exposure(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2911 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2912 | /* camera idle now so dispatch queued commands */ |
| 2913 | dispatch_commands(cam); |
| 2914 | |
| 2915 | /* Update our knowledge of the camera state */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2916 | do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); |
| 2917 | do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2918 | do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); |
| 2919 | |
| 2920 | /* decompress and convert image to by copying it from |
| 2921 | * raw_image to decompressed_frame |
| 2922 | */ |
| 2923 | |
| 2924 | cond_resched(); |
| 2925 | |
| 2926 | cam->image_size = parse_picture(cam, image_size); |
| 2927 | if (cam->image_size <= 0) { |
| 2928 | DBG("parse_picture failed %d\n", cam->image_size); |
| 2929 | if(cam->params.compression.mode != |
| 2930 | CPIA_COMPRESSION_NONE) { |
| 2931 | /* Compression may not work right if we |
| 2932 | had a bad frame, get the next one |
| 2933 | uncompressed. */ |
| 2934 | cam->first_frame = 1; |
| 2935 | do_command(cam, CPIA_COMMAND_SetGrabMode, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2936 | CPIA_GRAB_SINGLE, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2937 | /* FIXME: Trial & error - need up to 70ms for |
| 2938 | the grab mode change to complete ? */ |
| 2939 | msleep_interruptible(70); |
| 2940 | if (signal_pending(current)) |
| 2941 | return -EINTR; |
| 2942 | } |
| 2943 | } else |
| 2944 | break; |
| 2945 | } |
| 2946 | |
| 2947 | if (retry < 3) { |
| 2948 | /* FIXME: this only works for double buffering */ |
| 2949 | if (cam->frame[cam->curframe].state == FRAME_READY) { |
| 2950 | memcpy(cam->frame[cam->curframe].data, |
| 2951 | cam->decompressed_frame.data, |
| 2952 | cam->decompressed_frame.count); |
| 2953 | cam->frame[cam->curframe].state = FRAME_DONE; |
| 2954 | } else |
| 2955 | cam->decompressed_frame.state = FRAME_DONE; |
| 2956 | |
| 2957 | if (cam->first_frame) { |
| 2958 | cam->first_frame = 0; |
| 2959 | do_command(cam, CPIA_COMMAND_SetCompression, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2960 | cam->params.compression.mode, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2961 | cam->params.compression.decimation, 0, 0); |
| 2962 | |
| 2963 | /* Switch from single-grab to continuous grab */ |
| 2964 | do_command(cam, CPIA_COMMAND_SetGrabMode, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2965 | CPIA_GRAB_CONTINUOUS, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2966 | } |
| 2967 | return 0; |
| 2968 | } |
| 2969 | return -EIO; |
| 2970 | } |
| 2971 | |
| 2972 | static int capture_frame(struct cam_data *cam, struct video_mmap *vm) |
| 2973 | { |
| 2974 | if (!cam->frame_buf) { |
| 2975 | /* we do lazy allocation */ |
| 2976 | int err; |
| 2977 | if ((err = allocate_frame_buf(cam))) |
| 2978 | return err; |
| 2979 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2980 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2981 | cam->curframe = vm->frame; |
| 2982 | cam->frame[cam->curframe].state = FRAME_READY; |
| 2983 | return fetch_frame(cam); |
| 2984 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 2985 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2986 | static int goto_high_power(struct cam_data *cam) |
| 2987 | { |
| 2988 | if (do_command(cam, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0)) |
| 2989 | return -EIO; |
| 2990 | msleep_interruptible(40); /* windows driver does it too */ |
| 2991 | if(signal_pending(current)) |
| 2992 | return -EINTR; |
| 2993 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) |
| 2994 | return -EIO; |
| 2995 | if (cam->params.status.systemState == HI_POWER_STATE) { |
| 2996 | DBG("camera now in HIGH power state\n"); |
| 2997 | return 0; |
| 2998 | } |
| 2999 | printstatus(cam); |
| 3000 | return -EIO; |
| 3001 | } |
| 3002 | |
| 3003 | static int goto_low_power(struct cam_data *cam) |
| 3004 | { |
| 3005 | if (do_command(cam, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0)) |
| 3006 | return -1; |
| 3007 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) |
| 3008 | return -1; |
| 3009 | if (cam->params.status.systemState == LO_POWER_STATE) { |
| 3010 | DBG("camera now in LOW power state\n"); |
| 3011 | return 0; |
| 3012 | } |
| 3013 | printstatus(cam); |
| 3014 | return -1; |
| 3015 | } |
| 3016 | |
| 3017 | static void save_camera_state(struct cam_data *cam) |
| 3018 | { |
| 3019 | if(!(cam->cmd_queue & COMMAND_SETCOLOURBALANCE)) |
| 3020 | do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); |
| 3021 | if(!(cam->cmd_queue & COMMAND_SETEXPOSURE)) |
| 3022 | do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); |
| 3023 | |
| 3024 | DBG("%d/%d/%d/%d/%d/%d/%d/%d\n", |
| 3025 | cam->params.exposure.gain, |
| 3026 | cam->params.exposure.fineExp, |
| 3027 | cam->params.exposure.coarseExpLo, |
| 3028 | cam->params.exposure.coarseExpHi, |
| 3029 | cam->params.exposure.redComp, |
| 3030 | cam->params.exposure.green1Comp, |
| 3031 | cam->params.exposure.green2Comp, |
| 3032 | cam->params.exposure.blueComp); |
| 3033 | DBG("%d/%d/%d\n", |
| 3034 | cam->params.colourBalance.redGain, |
| 3035 | cam->params.colourBalance.greenGain, |
| 3036 | cam->params.colourBalance.blueGain); |
| 3037 | } |
| 3038 | |
| 3039 | static int set_camera_state(struct cam_data *cam) |
| 3040 | { |
| 3041 | cam->cmd_queue = COMMAND_SETCOMPRESSION | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3042 | COMMAND_SETCOMPRESSIONTARGET | |
| 3043 | COMMAND_SETCOLOURPARAMS | |
| 3044 | COMMAND_SETFORMAT | |
| 3045 | COMMAND_SETYUVTHRESH | |
| 3046 | COMMAND_SETECPTIMING | |
| 3047 | COMMAND_SETCOMPRESSIONPARAMS | |
| 3048 | COMMAND_SETEXPOSURE | |
| 3049 | COMMAND_SETCOLOURBALANCE | |
| 3050 | COMMAND_SETSENSORFPS | |
| 3051 | COMMAND_SETAPCOR | |
| 3052 | COMMAND_SETFLICKERCTRL | |
| 3053 | COMMAND_SETVLOFFSET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3054 | |
| 3055 | do_command(cam, CPIA_COMMAND_SetGrabMode, CPIA_GRAB_SINGLE,0,0,0); |
| 3056 | dispatch_commands(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3057 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3058 | /* Wait 6 frames for the sensor to get all settings and |
| 3059 | AEC/ACB to settle */ |
| 3060 | msleep_interruptible(6*(cam->params.sensorFps.baserate ? 33 : 40) * |
| 3061 | (1 << cam->params.sensorFps.divisor) + 10); |
| 3062 | |
| 3063 | if(signal_pending(current)) |
| 3064 | return -EINTR; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3065 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3066 | save_camera_state(cam); |
| 3067 | |
| 3068 | return 0; |
| 3069 | } |
| 3070 | |
| 3071 | static void get_version_information(struct cam_data *cam) |
| 3072 | { |
| 3073 | /* GetCPIAVersion */ |
| 3074 | do_command(cam, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); |
| 3075 | |
| 3076 | /* GetPnPID */ |
| 3077 | do_command(cam, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); |
| 3078 | } |
| 3079 | |
| 3080 | /* initialize camera */ |
| 3081 | static int reset_camera(struct cam_data *cam) |
| 3082 | { |
| 3083 | int err; |
| 3084 | /* Start the camera in low power mode */ |
| 3085 | if (goto_low_power(cam)) { |
| 3086 | if (cam->params.status.systemState != WARM_BOOT_STATE) |
| 3087 | return -ENODEV; |
| 3088 | |
| 3089 | /* FIXME: this is just dirty trial and error */ |
| 3090 | err = goto_high_power(cam); |
| 3091 | if(err) |
| 3092 | return err; |
| 3093 | do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); |
| 3094 | if (goto_low_power(cam)) |
| 3095 | return -ENODEV; |
| 3096 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3097 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3098 | /* procedure described in developer's guide p3-28 */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3099 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3100 | /* Check the firmware version. */ |
| 3101 | cam->params.version.firmwareVersion = 0; |
| 3102 | get_version_information(cam); |
| 3103 | if (cam->params.version.firmwareVersion != 1) |
| 3104 | return -ENODEV; |
| 3105 | |
| 3106 | /* A bug in firmware 1-02 limits gainMode to 2 */ |
| 3107 | if(cam->params.version.firmwareRevision <= 2 && |
| 3108 | cam->params.exposure.gainMode > 2) { |
| 3109 | cam->params.exposure.gainMode = 2; |
| 3110 | } |
| 3111 | |
| 3112 | /* set QX3 detected flag */ |
| 3113 | cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 && |
| 3114 | cam->params.pnpID.product == 0x0001); |
| 3115 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3116 | /* The fatal error checking should be done after |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3117 | * the camera powers up (developer's guide p 3-38) */ |
| 3118 | |
| 3119 | /* Set streamState before transition to high power to avoid bug |
| 3120 | * in firmware 1-02 */ |
| 3121 | do_command(cam, CPIA_COMMAND_ModifyCameraStatus, STREAMSTATE, 0, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3122 | STREAM_NOT_READY, 0); |
| 3123 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3124 | /* GotoHiPower */ |
| 3125 | err = goto_high_power(cam); |
| 3126 | if (err) |
| 3127 | return err; |
| 3128 | |
| 3129 | /* Check the camera status */ |
| 3130 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) |
| 3131 | return -EIO; |
| 3132 | |
| 3133 | if (cam->params.status.fatalError) { |
| 3134 | DBG("fatal_error: %#04x\n", |
| 3135 | cam->params.status.fatalError); |
| 3136 | DBG("vp_status: %#04x\n", |
| 3137 | cam->params.status.vpStatus); |
| 3138 | if (cam->params.status.fatalError & ~(COM_FLAG|CPIA_FLAG)) { |
| 3139 | /* Fatal error in camera */ |
| 3140 | return -EIO; |
| 3141 | } else if (cam->params.status.fatalError & (COM_FLAG|CPIA_FLAG)) { |
| 3142 | /* Firmware 1-02 may do this for parallel port cameras, |
| 3143 | * just clear the flags (developer's guide p 3-38) */ |
| 3144 | do_command(cam, CPIA_COMMAND_ModifyCameraStatus, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3145 | FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3146 | } |
| 3147 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3148 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3149 | /* Check the camera status again */ |
| 3150 | if (cam->params.status.fatalError) { |
| 3151 | if (cam->params.status.fatalError) |
| 3152 | return -EIO; |
| 3153 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3155 | /* VPVersion can't be retrieved before the camera is in HiPower, |
| 3156 | * so get it here instead of in get_version_information. */ |
| 3157 | do_command(cam, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); |
| 3158 | |
| 3159 | /* set camera to a known state */ |
| 3160 | return set_camera_state(cam); |
| 3161 | } |
| 3162 | |
| 3163 | static void put_cam(struct cpia_camera_ops* ops) |
| 3164 | { |
| 3165 | if (ops->owner) |
| 3166 | module_put(ops->owner); |
| 3167 | } |
| 3168 | |
| 3169 | /* ------------------------- V4L interface --------------------- */ |
| 3170 | static int cpia_open(struct inode *inode, struct file *file) |
| 3171 | { |
| 3172 | struct video_device *dev = video_devdata(file); |
| 3173 | struct cam_data *cam = dev->priv; |
| 3174 | int err; |
| 3175 | |
| 3176 | if (!cam) { |
| 3177 | DBG("Internal error, cam_data not found!\n"); |
| 3178 | return -ENODEV; |
| 3179 | } |
| 3180 | |
| 3181 | if (cam->open_count > 0) { |
| 3182 | DBG("Camera already open\n"); |
| 3183 | return -EBUSY; |
| 3184 | } |
| 3185 | |
| 3186 | if (!try_module_get(cam->ops->owner)) |
| 3187 | return -ENODEV; |
| 3188 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3189 | mutex_lock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3190 | err = -ENOMEM; |
| 3191 | if (!cam->raw_image) { |
| 3192 | cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE); |
| 3193 | if (!cam->raw_image) |
| 3194 | goto oops; |
| 3195 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3196 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3197 | if (!cam->decompressed_frame.data) { |
| 3198 | cam->decompressed_frame.data = rvmalloc(CPIA_MAX_FRAME_SIZE); |
| 3199 | if (!cam->decompressed_frame.data) |
| 3200 | goto oops; |
| 3201 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3202 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3203 | /* open cpia */ |
| 3204 | err = -ENODEV; |
| 3205 | if (cam->ops->open(cam->lowlevel_data)) |
| 3206 | goto oops; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3207 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3208 | /* reset the camera */ |
| 3209 | if ((err = reset_camera(cam)) != 0) { |
| 3210 | cam->ops->close(cam->lowlevel_data); |
| 3211 | goto oops; |
| 3212 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3213 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3214 | err = -EINTR; |
| 3215 | if(signal_pending(current)) |
| 3216 | goto oops; |
| 3217 | |
| 3218 | /* Set ownership of /proc/cpia/videoX to current user */ |
| 3219 | if(cam->proc_entry) |
| 3220 | cam->proc_entry->uid = current->uid; |
| 3221 | |
| 3222 | /* set mark for loading first frame uncompressed */ |
| 3223 | cam->first_frame = 1; |
| 3224 | |
| 3225 | /* init it to something */ |
| 3226 | cam->mmap_kludge = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3227 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3228 | ++cam->open_count; |
| 3229 | file->private_data = dev; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3230 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3231 | return 0; |
| 3232 | |
| 3233 | oops: |
| 3234 | if (cam->decompressed_frame.data) { |
| 3235 | rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); |
| 3236 | cam->decompressed_frame.data = NULL; |
| 3237 | } |
| 3238 | if (cam->raw_image) { |
| 3239 | rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); |
| 3240 | cam->raw_image = NULL; |
| 3241 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3242 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3243 | put_cam(cam->ops); |
| 3244 | return err; |
| 3245 | } |
| 3246 | |
| 3247 | static int cpia_close(struct inode *inode, struct file *file) |
| 3248 | { |
| 3249 | struct video_device *dev = file->private_data; |
| 3250 | struct cam_data *cam = dev->priv; |
| 3251 | |
| 3252 | if (cam->ops) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3253 | /* Return ownership of /proc/cpia/videoX to root */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3254 | if(cam->proc_entry) |
| 3255 | cam->proc_entry->uid = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3256 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3257 | /* save camera state for later open (developers guide ch 3.5.3) */ |
| 3258 | save_camera_state(cam); |
| 3259 | |
| 3260 | /* GotoLoPower */ |
| 3261 | goto_low_power(cam); |
| 3262 | |
| 3263 | /* Update the camera status */ |
| 3264 | do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
| 3265 | |
| 3266 | /* cleanup internal state stuff */ |
| 3267 | free_frames(cam->frame); |
| 3268 | |
| 3269 | /* close cpia */ |
| 3270 | cam->ops->close(cam->lowlevel_data); |
| 3271 | |
| 3272 | put_cam(cam->ops); |
| 3273 | } |
| 3274 | |
| 3275 | if (--cam->open_count == 0) { |
| 3276 | /* clean up capture-buffers */ |
| 3277 | if (cam->raw_image) { |
| 3278 | rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); |
| 3279 | cam->raw_image = NULL; |
| 3280 | } |
| 3281 | |
| 3282 | if (cam->decompressed_frame.data) { |
| 3283 | rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); |
| 3284 | cam->decompressed_frame.data = NULL; |
| 3285 | } |
| 3286 | |
| 3287 | if (cam->frame_buf) |
| 3288 | free_frame_buf(cam); |
| 3289 | |
| 3290 | if (!cam->ops) |
| 3291 | kfree(cam); |
| 3292 | } |
| 3293 | file->private_data = NULL; |
| 3294 | |
| 3295 | return 0; |
| 3296 | } |
| 3297 | |
| 3298 | static ssize_t cpia_read(struct file *file, char __user *buf, |
| 3299 | size_t count, loff_t *ppos) |
| 3300 | { |
| 3301 | struct video_device *dev = file->private_data; |
| 3302 | struct cam_data *cam = dev->priv; |
| 3303 | int err; |
| 3304 | |
| 3305 | /* make this _really_ smp and multithread-safe */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3306 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3307 | return -EINTR; |
| 3308 | |
| 3309 | if (!buf) { |
| 3310 | DBG("buf NULL\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3311 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3312 | return -EINVAL; |
| 3313 | } |
| 3314 | |
| 3315 | if (!count) { |
| 3316 | DBG("count 0\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3317 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3318 | return 0; |
| 3319 | } |
| 3320 | |
| 3321 | if (!cam->ops) { |
| 3322 | DBG("ops NULL\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3323 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3324 | return -ENODEV; |
| 3325 | } |
| 3326 | |
| 3327 | /* upload frame */ |
| 3328 | cam->decompressed_frame.state = FRAME_READY; |
| 3329 | cam->mmap_kludge=0; |
| 3330 | if((err = fetch_frame(cam)) != 0) { |
| 3331 | DBG("ERROR from fetch_frame: %d\n", err); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3332 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3333 | return err; |
| 3334 | } |
| 3335 | cam->decompressed_frame.state = FRAME_UNUSED; |
| 3336 | |
| 3337 | /* copy data to user space */ |
| 3338 | if (cam->decompressed_frame.count > count) { |
| 3339 | DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count, |
| 3340 | (unsigned long) count); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3341 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3342 | return -EFAULT; |
| 3343 | } |
| 3344 | if (copy_to_user(buf, cam->decompressed_frame.data, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3345 | cam->decompressed_frame.count)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3346 | DBG("copy_to_user failed\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3347 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3348 | return -EFAULT; |
| 3349 | } |
| 3350 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3351 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3352 | return cam->decompressed_frame.count; |
| 3353 | } |
| 3354 | |
| 3355 | static int cpia_do_ioctl(struct inode *inode, struct file *file, |
| 3356 | unsigned int ioctlnr, void *arg) |
| 3357 | { |
| 3358 | struct video_device *dev = file->private_data; |
| 3359 | struct cam_data *cam = dev->priv; |
| 3360 | int retval = 0; |
| 3361 | |
| 3362 | if (!cam || !cam->ops) |
| 3363 | return -ENODEV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3364 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3365 | /* make this _really_ smp-safe */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3366 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3367 | return -EINTR; |
| 3368 | |
| 3369 | //DBG("cpia_ioctl: %u\n", ioctlnr); |
| 3370 | |
| 3371 | switch (ioctlnr) { |
Alexey Dobriyan | be787ac | 2006-03-07 22:20:23 -0300 | [diff] [blame] | 3372 | /* query capabilities */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3373 | case VIDIOCGCAP: |
| 3374 | { |
| 3375 | struct video_capability *b = arg; |
| 3376 | |
| 3377 | DBG("VIDIOCGCAP\n"); |
| 3378 | strcpy(b->name, "CPiA Camera"); |
| 3379 | b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE; |
| 3380 | b->channels = 1; |
| 3381 | b->audios = 0; |
| 3382 | b->maxwidth = 352; /* VIDEOSIZE_CIF */ |
| 3383 | b->maxheight = 288; |
| 3384 | b->minwidth = 48; /* VIDEOSIZE_48_48 */ |
| 3385 | b->minheight = 48; |
| 3386 | break; |
| 3387 | } |
| 3388 | |
| 3389 | /* get/set video source - we are a camera and nothing else */ |
| 3390 | case VIDIOCGCHAN: |
| 3391 | { |
| 3392 | struct video_channel *v = arg; |
| 3393 | |
| 3394 | DBG("VIDIOCGCHAN\n"); |
| 3395 | if (v->channel != 0) { |
| 3396 | retval = -EINVAL; |
| 3397 | break; |
| 3398 | } |
| 3399 | |
| 3400 | v->channel = 0; |
| 3401 | strcpy(v->name, "Camera"); |
| 3402 | v->tuners = 0; |
| 3403 | v->flags = 0; |
| 3404 | v->type = VIDEO_TYPE_CAMERA; |
| 3405 | v->norm = 0; |
| 3406 | break; |
| 3407 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3408 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3409 | case VIDIOCSCHAN: |
| 3410 | { |
| 3411 | struct video_channel *v = arg; |
| 3412 | |
| 3413 | DBG("VIDIOCSCHAN\n"); |
| 3414 | if (v->channel != 0) |
| 3415 | retval = -EINVAL; |
| 3416 | break; |
| 3417 | } |
| 3418 | |
| 3419 | /* image properties */ |
| 3420 | case VIDIOCGPICT: |
| 3421 | { |
| 3422 | struct video_picture *pic = arg; |
| 3423 | DBG("VIDIOCGPICT\n"); |
| 3424 | *pic = cam->vp; |
| 3425 | break; |
| 3426 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3427 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3428 | case VIDIOCSPICT: |
| 3429 | { |
| 3430 | struct video_picture *vp = arg; |
| 3431 | |
| 3432 | DBG("VIDIOCSPICT\n"); |
| 3433 | |
| 3434 | /* check validity */ |
| 3435 | DBG("palette: %d\n", vp->palette); |
| 3436 | DBG("depth: %d\n", vp->depth); |
| 3437 | if (!valid_mode(vp->palette, vp->depth)) { |
| 3438 | retval = -EINVAL; |
| 3439 | break; |
| 3440 | } |
| 3441 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3442 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3443 | /* brightness, colour, contrast need no check 0-65535 */ |
| 3444 | cam->vp = *vp; |
| 3445 | /* update cam->params.colourParams */ |
| 3446 | cam->params.colourParams.brightness = vp->brightness*100/65535; |
| 3447 | cam->params.colourParams.contrast = vp->contrast*100/65535; |
| 3448 | cam->params.colourParams.saturation = vp->colour*100/65535; |
| 3449 | /* contrast is in steps of 8, so round */ |
| 3450 | cam->params.colourParams.contrast = |
| 3451 | ((cam->params.colourParams.contrast + 3) / 8) * 8; |
| 3452 | if (cam->params.version.firmwareVersion == 1 && |
| 3453 | cam->params.version.firmwareRevision == 2 && |
| 3454 | cam->params.colourParams.contrast > 80) { |
| 3455 | /* 1-02 firmware limits contrast to 80 */ |
| 3456 | cam->params.colourParams.contrast = 80; |
| 3457 | } |
| 3458 | |
| 3459 | /* Adjust flicker control if necessary */ |
| 3460 | if(cam->params.flickerControl.allowableOverExposure < 0) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3461 | cam->params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3462 | -find_over_exposure(cam->params.colourParams.brightness); |
| 3463 | if(cam->params.flickerControl.flickerMode != 0) |
| 3464 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3465 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3466 | |
| 3467 | /* queue command to update camera */ |
| 3468 | cam->cmd_queue |= COMMAND_SETCOLOURPARAMS; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3469 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3470 | DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n", |
| 3471 | vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour, |
| 3472 | vp->contrast); |
| 3473 | break; |
| 3474 | } |
| 3475 | |
| 3476 | /* get/set capture window */ |
| 3477 | case VIDIOCGWIN: |
| 3478 | { |
| 3479 | struct video_window *vw = arg; |
| 3480 | DBG("VIDIOCGWIN\n"); |
| 3481 | |
| 3482 | *vw = cam->vw; |
| 3483 | break; |
| 3484 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3485 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3486 | case VIDIOCSWIN: |
| 3487 | { |
| 3488 | /* copy_from_user, check validity, copy to internal structure */ |
| 3489 | struct video_window *vw = arg; |
| 3490 | DBG("VIDIOCSWIN\n"); |
| 3491 | |
| 3492 | if (vw->clipcount != 0) { /* clipping not supported */ |
| 3493 | retval = -EINVAL; |
| 3494 | break; |
| 3495 | } |
| 3496 | if (vw->clips != NULL) { /* clipping not supported */ |
| 3497 | retval = -EINVAL; |
| 3498 | break; |
| 3499 | } |
| 3500 | |
| 3501 | /* we set the video window to something smaller or equal to what |
| 3502 | * is requested by the user??? |
| 3503 | */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3504 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3505 | if (vw->width != cam->vw.width || vw->height != cam->vw.height) { |
| 3506 | int video_size = match_videosize(vw->width, vw->height); |
| 3507 | |
| 3508 | if (video_size < 0) { |
| 3509 | retval = -EINVAL; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3510 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3511 | break; |
| 3512 | } |
| 3513 | cam->video_size = video_size; |
| 3514 | |
| 3515 | /* video size is changing, reset the subcapture area */ |
| 3516 | memset(&cam->vc, 0, sizeof(cam->vc)); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3517 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3518 | set_vw_size(cam); |
| 3519 | DBG("%d / %d\n", cam->vw.width, cam->vw.height); |
| 3520 | cam->cmd_queue |= COMMAND_SETFORMAT; |
| 3521 | } |
| 3522 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3523 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3524 | |
| 3525 | /* setformat ignored by camera during streaming, |
| 3526 | * so stop/dispatch/start */ |
| 3527 | if (cam->cmd_queue & COMMAND_SETFORMAT) { |
| 3528 | DBG("\n"); |
| 3529 | dispatch_commands(cam); |
| 3530 | } |
| 3531 | DBG("%d/%d:%d\n", cam->video_size, |
| 3532 | cam->vw.width, cam->vw.height); |
| 3533 | break; |
| 3534 | } |
| 3535 | |
| 3536 | /* mmap interface */ |
| 3537 | case VIDIOCGMBUF: |
| 3538 | { |
| 3539 | struct video_mbuf *vm = arg; |
| 3540 | int i; |
| 3541 | |
| 3542 | DBG("VIDIOCGMBUF\n"); |
| 3543 | memset(vm, 0, sizeof(*vm)); |
| 3544 | vm->size = CPIA_MAX_FRAME_SIZE*FRAME_NUM; |
| 3545 | vm->frames = FRAME_NUM; |
| 3546 | for (i = 0; i < FRAME_NUM; i++) |
| 3547 | vm->offsets[i] = CPIA_MAX_FRAME_SIZE * i; |
| 3548 | break; |
| 3549 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3550 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3551 | case VIDIOCMCAPTURE: |
| 3552 | { |
| 3553 | struct video_mmap *vm = arg; |
| 3554 | int video_size; |
| 3555 | |
| 3556 | DBG("VIDIOCMCAPTURE: %d / %d / %dx%d\n", vm->format, vm->frame, |
| 3557 | vm->width, vm->height); |
| 3558 | if (vm->frame<0||vm->frame>=FRAME_NUM) { |
| 3559 | retval = -EINVAL; |
| 3560 | break; |
| 3561 | } |
| 3562 | |
| 3563 | /* set video format */ |
| 3564 | cam->vp.palette = vm->format; |
| 3565 | switch(vm->format) { |
| 3566 | case VIDEO_PALETTE_GREY: |
| 3567 | cam->vp.depth=8; |
| 3568 | break; |
| 3569 | case VIDEO_PALETTE_RGB555: |
| 3570 | case VIDEO_PALETTE_RGB565: |
| 3571 | case VIDEO_PALETTE_YUV422: |
| 3572 | case VIDEO_PALETTE_YUYV: |
| 3573 | case VIDEO_PALETTE_UYVY: |
| 3574 | cam->vp.depth = 16; |
| 3575 | break; |
| 3576 | case VIDEO_PALETTE_RGB24: |
| 3577 | cam->vp.depth = 24; |
| 3578 | break; |
| 3579 | case VIDEO_PALETTE_RGB32: |
| 3580 | cam->vp.depth = 32; |
| 3581 | break; |
| 3582 | default: |
| 3583 | retval = -EINVAL; |
| 3584 | break; |
| 3585 | } |
| 3586 | if (retval) |
| 3587 | break; |
| 3588 | |
| 3589 | /* set video size */ |
| 3590 | video_size = match_videosize(vm->width, vm->height); |
| 3591 | if (video_size < 0) { |
| 3592 | retval = -EINVAL; |
| 3593 | break; |
| 3594 | } |
| 3595 | if (video_size != cam->video_size) { |
| 3596 | cam->video_size = video_size; |
| 3597 | |
| 3598 | /* video size is changing, reset the subcapture area */ |
| 3599 | memset(&cam->vc, 0, sizeof(cam->vc)); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3600 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3601 | set_vw_size(cam); |
| 3602 | cam->cmd_queue |= COMMAND_SETFORMAT; |
| 3603 | dispatch_commands(cam); |
| 3604 | } |
| 3605 | /* according to v4l-spec we must start streaming here */ |
| 3606 | cam->mmap_kludge = 1; |
| 3607 | retval = capture_frame(cam, vm); |
| 3608 | |
| 3609 | break; |
| 3610 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3611 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3612 | case VIDIOCSYNC: |
| 3613 | { |
| 3614 | int *frame = arg; |
| 3615 | |
| 3616 | //DBG("VIDIOCSYNC: %d\n", *frame); |
| 3617 | |
| 3618 | if (*frame<0 || *frame >= FRAME_NUM) { |
| 3619 | retval = -EINVAL; |
| 3620 | break; |
| 3621 | } |
| 3622 | |
| 3623 | switch (cam->frame[*frame].state) { |
| 3624 | case FRAME_UNUSED: |
| 3625 | case FRAME_READY: |
| 3626 | case FRAME_GRABBING: |
| 3627 | DBG("sync to unused frame %d\n", *frame); |
| 3628 | retval = -EINVAL; |
| 3629 | break; |
| 3630 | |
| 3631 | case FRAME_DONE: |
| 3632 | cam->frame[*frame].state = FRAME_UNUSED; |
| 3633 | //DBG("VIDIOCSYNC: %d synced\n", *frame); |
| 3634 | break; |
| 3635 | } |
| 3636 | if (retval == -EINTR) { |
| 3637 | /* FIXME - xawtv does not handle this nice */ |
| 3638 | retval = 0; |
| 3639 | } |
| 3640 | break; |
| 3641 | } |
| 3642 | |
| 3643 | case VIDIOCGCAPTURE: |
| 3644 | { |
| 3645 | struct video_capture *vc = arg; |
| 3646 | |
| 3647 | DBG("VIDIOCGCAPTURE\n"); |
| 3648 | |
| 3649 | *vc = cam->vc; |
| 3650 | |
| 3651 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3652 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3653 | |
| 3654 | case VIDIOCSCAPTURE: |
| 3655 | { |
| 3656 | struct video_capture *vc = arg; |
| 3657 | |
| 3658 | DBG("VIDIOCSCAPTURE\n"); |
| 3659 | |
| 3660 | if (vc->decimation != 0) { /* How should this be used? */ |
| 3661 | retval = -EINVAL; |
| 3662 | break; |
| 3663 | } |
| 3664 | if (vc->flags != 0) { /* Even/odd grab not supported */ |
| 3665 | retval = -EINVAL; |
| 3666 | break; |
| 3667 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3668 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3669 | /* Clip to the resolution we can set for the ROI |
| 3670 | (every 8 columns and 4 rows) */ |
| 3671 | vc->x = vc->x & ~(__u32)7; |
| 3672 | vc->y = vc->y & ~(__u32)3; |
| 3673 | vc->width = vc->width & ~(__u32)7; |
| 3674 | vc->height = vc->height & ~(__u32)3; |
| 3675 | |
| 3676 | if(vc->width == 0 || vc->height == 0 || |
| 3677 | vc->x + vc->width > cam->vw.width || |
| 3678 | vc->y + vc->height > cam->vw.height) { |
| 3679 | retval = -EINVAL; |
| 3680 | break; |
| 3681 | } |
| 3682 | |
| 3683 | DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3684 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3685 | mutex_lock(&cam->param_lock); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3686 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3687 | cam->vc.x = vc->x; |
| 3688 | cam->vc.y = vc->y; |
| 3689 | cam->vc.width = vc->width; |
| 3690 | cam->vc.height = vc->height; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3691 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3692 | set_vw_size(cam); |
| 3693 | cam->cmd_queue |= COMMAND_SETFORMAT; |
| 3694 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3695 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3696 | |
| 3697 | /* setformat ignored by camera during streaming, |
| 3698 | * so stop/dispatch/start */ |
| 3699 | dispatch_commands(cam); |
| 3700 | break; |
| 3701 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3702 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3703 | case VIDIOCGUNIT: |
| 3704 | { |
| 3705 | struct video_unit *vu = arg; |
| 3706 | |
| 3707 | DBG("VIDIOCGUNIT\n"); |
| 3708 | |
| 3709 | vu->video = cam->vdev.minor; |
| 3710 | vu->vbi = VIDEO_NO_UNIT; |
| 3711 | vu->radio = VIDEO_NO_UNIT; |
| 3712 | vu->audio = VIDEO_NO_UNIT; |
| 3713 | vu->teletext = VIDEO_NO_UNIT; |
| 3714 | |
| 3715 | break; |
| 3716 | } |
| 3717 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3718 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3719 | /* pointless to implement overlay with this camera */ |
| 3720 | case VIDIOCCAPTURE: |
| 3721 | case VIDIOCGFBUF: |
| 3722 | case VIDIOCSFBUF: |
| 3723 | case VIDIOCKEY: |
| 3724 | /* tuner interface - we have none */ |
| 3725 | case VIDIOCGTUNER: |
| 3726 | case VIDIOCSTUNER: |
| 3727 | case VIDIOCGFREQ: |
| 3728 | case VIDIOCSFREQ: |
| 3729 | /* audio interface - we have none */ |
| 3730 | case VIDIOCGAUDIO: |
| 3731 | case VIDIOCSAUDIO: |
| 3732 | retval = -EINVAL; |
| 3733 | break; |
| 3734 | default: |
| 3735 | retval = -ENOIOCTLCMD; |
| 3736 | break; |
| 3737 | } |
| 3738 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3739 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3740 | return retval; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3741 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3742 | |
| 3743 | static int cpia_ioctl(struct inode *inode, struct file *file, |
| 3744 | unsigned int cmd, unsigned long arg) |
| 3745 | { |
| 3746 | return video_usercopy(inode, file, cmd, arg, cpia_do_ioctl); |
| 3747 | } |
| 3748 | |
| 3749 | |
| 3750 | /* FIXME */ |
| 3751 | static int cpia_mmap(struct file *file, struct vm_area_struct *vma) |
| 3752 | { |
| 3753 | struct video_device *dev = file->private_data; |
| 3754 | unsigned long start = vma->vm_start; |
| 3755 | unsigned long size = vma->vm_end - vma->vm_start; |
| 3756 | unsigned long page, pos; |
| 3757 | struct cam_data *cam = dev->priv; |
| 3758 | int retval; |
| 3759 | |
| 3760 | if (!cam || !cam->ops) |
| 3761 | return -ENODEV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3762 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3763 | DBG("cpia_mmap: %ld\n", size); |
| 3764 | |
| 3765 | if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE) |
| 3766 | return -EINVAL; |
| 3767 | |
| 3768 | if (!cam || !cam->ops) |
| 3769 | return -ENODEV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3770 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3771 | /* make this _really_ smp-safe */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3772 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3773 | return -EINTR; |
| 3774 | |
| 3775 | if (!cam->frame_buf) { /* we do lazy allocation */ |
| 3776 | if ((retval = allocate_frame_buf(cam))) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3777 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3778 | return retval; |
| 3779 | } |
| 3780 | } |
| 3781 | |
| 3782 | pos = (unsigned long)(cam->frame_buf); |
| 3783 | while (size > 0) { |
| 3784 | page = vmalloc_to_pfn((void *)pos); |
| 3785 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3786 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3787 | return -EAGAIN; |
| 3788 | } |
| 3789 | start += PAGE_SIZE; |
| 3790 | pos += PAGE_SIZE; |
| 3791 | if (size > PAGE_SIZE) |
| 3792 | size -= PAGE_SIZE; |
| 3793 | else |
| 3794 | size = 0; |
| 3795 | } |
| 3796 | |
| 3797 | DBG("cpia_mmap: %ld\n", size); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3798 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3799 | |
| 3800 | return 0; |
| 3801 | } |
| 3802 | |
| 3803 | static struct file_operations cpia_fops = { |
| 3804 | .owner = THIS_MODULE, |
| 3805 | .open = cpia_open, |
| 3806 | .release = cpia_close, |
| 3807 | .read = cpia_read, |
| 3808 | .mmap = cpia_mmap, |
| 3809 | .ioctl = cpia_ioctl, |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 3810 | .compat_ioctl = v4l_compat_ioctl32, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3811 | .llseek = no_llseek, |
| 3812 | }; |
| 3813 | |
| 3814 | static struct video_device cpia_template = { |
| 3815 | .owner = THIS_MODULE, |
| 3816 | .name = "CPiA Camera", |
| 3817 | .type = VID_TYPE_CAPTURE, |
| 3818 | .hardware = VID_HARDWARE_CPIA, |
| 3819 | .fops = &cpia_fops, |
| 3820 | }; |
| 3821 | |
| 3822 | /* initialise cam_data structure */ |
| 3823 | static void reset_camera_struct(struct cam_data *cam) |
| 3824 | { |
| 3825 | /* The following parameter values are the defaults from |
| 3826 | * "Software Developer's Guide for CPiA Cameras". Any changes |
| 3827 | * to the defaults are noted in comments. */ |
| 3828 | cam->params.colourParams.brightness = 50; |
| 3829 | cam->params.colourParams.contrast = 48; |
| 3830 | cam->params.colourParams.saturation = 50; |
| 3831 | cam->params.exposure.gainMode = 4; |
| 3832 | cam->params.exposure.expMode = 2; /* AEC */ |
| 3833 | cam->params.exposure.compMode = 1; |
| 3834 | cam->params.exposure.centreWeight = 1; |
| 3835 | cam->params.exposure.gain = 0; |
| 3836 | cam->params.exposure.fineExp = 0; |
| 3837 | cam->params.exposure.coarseExpLo = 185; |
| 3838 | cam->params.exposure.coarseExpHi = 0; |
| 3839 | cam->params.exposure.redComp = COMP_RED; |
| 3840 | cam->params.exposure.green1Comp = COMP_GREEN1; |
| 3841 | cam->params.exposure.green2Comp = COMP_GREEN2; |
| 3842 | cam->params.exposure.blueComp = COMP_BLUE; |
| 3843 | cam->params.colourBalance.balanceMode = 2; /* ACB */ |
| 3844 | cam->params.colourBalance.redGain = 32; |
| 3845 | cam->params.colourBalance.greenGain = 6; |
| 3846 | cam->params.colourBalance.blueGain = 92; |
| 3847 | cam->params.apcor.gain1 = 0x18; |
| 3848 | cam->params.apcor.gain2 = 0x16; |
| 3849 | cam->params.apcor.gain4 = 0x24; |
| 3850 | cam->params.apcor.gain8 = 0x34; |
| 3851 | cam->params.flickerControl.flickerMode = 0; |
| 3852 | cam->params.flickerControl.disabled = 1; |
| 3853 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3854 | cam->params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3855 | flicker_jumps[cam->mainsFreq] |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3856 | [cam->params.sensorFps.baserate] |
| 3857 | [cam->params.sensorFps.divisor]; |
| 3858 | cam->params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3859 | -find_over_exposure(cam->params.colourParams.brightness); |
| 3860 | cam->params.vlOffset.gain1 = 20; |
| 3861 | cam->params.vlOffset.gain2 = 24; |
| 3862 | cam->params.vlOffset.gain4 = 26; |
| 3863 | cam->params.vlOffset.gain8 = 26; |
| 3864 | cam->params.compressionParams.hysteresis = 3; |
| 3865 | cam->params.compressionParams.threshMax = 11; |
| 3866 | cam->params.compressionParams.smallStep = 1; |
| 3867 | cam->params.compressionParams.largeStep = 3; |
| 3868 | cam->params.compressionParams.decimationHysteresis = 2; |
| 3869 | cam->params.compressionParams.frDiffStepThresh = 5; |
| 3870 | cam->params.compressionParams.qDiffStepThresh = 3; |
| 3871 | cam->params.compressionParams.decimationThreshMod = 2; |
| 3872 | /* End of default values from Software Developer's Guide */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3873 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3874 | cam->transfer_rate = 0; |
| 3875 | cam->exposure_status = EXPOSURE_NORMAL; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3876 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3877 | /* Set Sensor FPS to 15fps. This seems better than 30fps |
| 3878 | * for indoor lighting. */ |
| 3879 | cam->params.sensorFps.divisor = 1; |
| 3880 | cam->params.sensorFps.baserate = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3881 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3882 | cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */ |
| 3883 | cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3884 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3885 | cam->params.format.subSample = SUBSAMPLE_422; |
| 3886 | cam->params.format.yuvOrder = YUVORDER_YUYV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3887 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3888 | cam->params.compression.mode = CPIA_COMPRESSION_AUTO; |
| 3889 | cam->params.compressionTarget.frTargeting = |
| 3890 | CPIA_COMPRESSION_TARGET_QUALITY; |
| 3891 | cam->params.compressionTarget.targetFR = 15; /* From windows driver */ |
| 3892 | cam->params.compressionTarget.targetQ = 5; /* From windows driver */ |
| 3893 | |
| 3894 | cam->params.qx3.qx3_detected = 0; |
| 3895 | cam->params.qx3.toplight = 0; |
| 3896 | cam->params.qx3.bottomlight = 0; |
| 3897 | cam->params.qx3.button = 0; |
| 3898 | cam->params.qx3.cradled = 0; |
| 3899 | |
| 3900 | cam->video_size = VIDEOSIZE_CIF; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3901 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3902 | cam->vp.colour = 32768; /* 50% */ |
| 3903 | cam->vp.hue = 32768; /* 50% */ |
| 3904 | cam->vp.brightness = 32768; /* 50% */ |
| 3905 | cam->vp.contrast = 32768; /* 50% */ |
| 3906 | cam->vp.whiteness = 0; /* not used -> grayscale only */ |
| 3907 | cam->vp.depth = 24; /* to be set by user */ |
| 3908 | cam->vp.palette = VIDEO_PALETTE_RGB24; /* to be set by user */ |
| 3909 | |
| 3910 | cam->vc.x = 0; |
| 3911 | cam->vc.y = 0; |
| 3912 | cam->vc.width = 0; |
| 3913 | cam->vc.height = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3914 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3915 | cam->vw.x = 0; |
| 3916 | cam->vw.y = 0; |
| 3917 | set_vw_size(cam); |
| 3918 | cam->vw.chromakey = 0; |
| 3919 | cam->vw.flags = 0; |
| 3920 | cam->vw.clipcount = 0; |
| 3921 | cam->vw.clips = NULL; |
| 3922 | |
| 3923 | cam->cmd_queue = COMMAND_NONE; |
| 3924 | cam->first_frame = 1; |
| 3925 | |
| 3926 | return; |
| 3927 | } |
| 3928 | |
| 3929 | /* initialize cam_data structure */ |
| 3930 | static void init_camera_struct(struct cam_data *cam, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3931 | struct cpia_camera_ops *ops ) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3932 | { |
| 3933 | int i; |
| 3934 | |
| 3935 | /* Default everything to 0 */ |
| 3936 | memset(cam, 0, sizeof(struct cam_data)); |
| 3937 | |
| 3938 | cam->ops = ops; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3939 | mutex_init(&cam->param_lock); |
| 3940 | mutex_init(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3941 | |
| 3942 | reset_camera_struct(cam); |
| 3943 | |
| 3944 | cam->proc_entry = NULL; |
| 3945 | |
| 3946 | memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template)); |
| 3947 | cam->vdev.priv = cam; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3948 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3949 | cam->curframe = 0; |
| 3950 | for (i = 0; i < FRAME_NUM; i++) { |
| 3951 | cam->frame[i].width = 0; |
| 3952 | cam->frame[i].height = 0; |
| 3953 | cam->frame[i].state = FRAME_UNUSED; |
| 3954 | cam->frame[i].data = NULL; |
| 3955 | } |
| 3956 | cam->decompressed_frame.width = 0; |
| 3957 | cam->decompressed_frame.height = 0; |
| 3958 | cam->decompressed_frame.state = FRAME_UNUSED; |
| 3959 | cam->decompressed_frame.data = NULL; |
| 3960 | } |
| 3961 | |
| 3962 | struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel) |
| 3963 | { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3964 | struct cam_data *camera; |
| 3965 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3966 | if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL) |
| 3967 | return NULL; |
| 3968 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3969 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3970 | init_camera_struct( camera, ops ); |
| 3971 | camera->lowlevel_data = lowlevel; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3972 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3973 | /* register v4l device */ |
| 3974 | if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) == -1) { |
| 3975 | kfree(camera); |
| 3976 | printk(KERN_DEBUG "video_register_device failed\n"); |
| 3977 | return NULL; |
| 3978 | } |
| 3979 | |
| 3980 | /* get version information from camera: open/reset/close */ |
| 3981 | |
| 3982 | /* open cpia */ |
| 3983 | if (camera->ops->open(camera->lowlevel_data)) |
| 3984 | return camera; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 3985 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3986 | /* reset the camera */ |
| 3987 | if (reset_camera(camera) != 0) { |
| 3988 | camera->ops->close(camera->lowlevel_data); |
| 3989 | return camera; |
| 3990 | } |
| 3991 | |
| 3992 | /* close cpia */ |
| 3993 | camera->ops->close(camera->lowlevel_data); |
| 3994 | |
| 3995 | #ifdef CONFIG_PROC_FS |
| 3996 | create_proc_cpia_cam(camera); |
| 3997 | #endif |
| 3998 | |
| 3999 | printk(KERN_INFO " CPiA Version: %d.%02d (%d.%d)\n", |
| 4000 | camera->params.version.firmwareVersion, |
| 4001 | camera->params.version.firmwareRevision, |
| 4002 | camera->params.version.vcVersion, |
| 4003 | camera->params.version.vcRevision); |
| 4004 | printk(KERN_INFO " CPiA PnP-ID: %04x:%04x:%04x\n", |
| 4005 | camera->params.pnpID.vendor, |
| 4006 | camera->params.pnpID.product, |
| 4007 | camera->params.pnpID.deviceRevision); |
| 4008 | printk(KERN_INFO " VP-Version: %d.%d %04x\n", |
| 4009 | camera->params.vpVersion.vpVersion, |
| 4010 | camera->params.vpVersion.vpRevision, |
| 4011 | camera->params.vpVersion.cameraHeadID); |
| 4012 | |
| 4013 | return camera; |
| 4014 | } |
| 4015 | |
| 4016 | void cpia_unregister_camera(struct cam_data *cam) |
| 4017 | { |
| 4018 | DBG("unregistering video\n"); |
| 4019 | video_unregister_device(&cam->vdev); |
| 4020 | if (cam->open_count) { |
| 4021 | put_cam(cam->ops); |
| 4022 | DBG("camera open -- setting ops to NULL\n"); |
| 4023 | cam->ops = NULL; |
| 4024 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 4025 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4026 | #ifdef CONFIG_PROC_FS |
| 4027 | DBG("destroying /proc/cpia/video%d\n", cam->vdev.minor); |
| 4028 | destroy_proc_cpia_cam(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame^] | 4029 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4030 | if (!cam->open_count) { |
| 4031 | DBG("freeing camera\n"); |
| 4032 | kfree(cam); |
| 4033 | } |
| 4034 | } |
| 4035 | |
| 4036 | static int __init cpia_init(void) |
| 4037 | { |
| 4038 | printk(KERN_INFO "%s v%d.%d.%d\n", ABOUT, |
| 4039 | CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); |
| 4040 | |
| 4041 | printk(KERN_WARNING "Since in-kernel colorspace conversion is not " |
| 4042 | "allowed, it is disabled by default now. Users should fix the " |
| 4043 | "applications in case they don't work without conversion " |
| 4044 | "reenabled by setting the 'colorspace_conv' module " |
| 4045 | "parameter to 1"); |
| 4046 | |
| 4047 | #ifdef CONFIG_PROC_FS |
| 4048 | proc_cpia_create(); |
| 4049 | #endif |
| 4050 | |
| 4051 | #ifdef CONFIG_VIDEO_CPIA_PP |
| 4052 | cpia_pp_init(); |
| 4053 | #endif |
| 4054 | #ifdef CONFIG_VIDEO_CPIA_USB |
| 4055 | cpia_usb_init(); |
| 4056 | #endif |
| 4057 | |
| 4058 | return 0; |
| 4059 | } |
| 4060 | |
| 4061 | static void __exit cpia_exit(void) |
| 4062 | { |
| 4063 | #ifdef CONFIG_PROC_FS |
| 4064 | proc_cpia_destroy(); |
| 4065 | #endif |
| 4066 | } |
| 4067 | |
| 4068 | module_init(cpia_init); |
| 4069 | module_exit(cpia_exit); |
| 4070 | |
| 4071 | /* Exported symbols for modules. */ |
| 4072 | |
| 4073 | EXPORT_SYMBOL(cpia_register_camera); |
| 4074 | EXPORT_SYMBOL(cpia_unregister_camera); |