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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
| 30 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/init.h> |
| 32 | #include <linux/fs.h> |
| 33 | #include <linux/vmalloc.h> |
| 34 | #include <linux/slab.h> |
| 35 | #include <linux/proc_fs.h> |
| 36 | #include <linux/ctype.h> |
| 37 | #include <linux/pagemap.h> |
| 38 | #include <linux/delay.h> |
| 39 | #include <asm/io.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 40 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | #ifdef CONFIG_KMOD |
| 43 | #include <linux/kmod.h> |
| 44 | #endif |
| 45 | |
| 46 | #include "cpia.h" |
| 47 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | static int video_nr = -1; |
| 49 | |
| 50 | #ifdef MODULE |
| 51 | module_param(video_nr, int, 0); |
Randy Dunlap | 2f8de1a | 2006-03-21 14:53:22 -0300 | [diff] [blame] | 52 | 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] | 53 | MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras"); |
| 54 | MODULE_LICENSE("GPL"); |
| 55 | MODULE_SUPPORTED_DEVICE("video"); |
| 56 | #endif |
| 57 | |
Randy Dunlap | 9419045 | 2006-03-27 16:18:25 -0300 | [diff] [blame] | 58 | static unsigned short colorspace_conv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | module_param(colorspace_conv, ushort, 0444); |
| 60 | MODULE_PARM_DESC(colorspace_conv, |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 61 | " Colorspace conversion:" |
| 62 | "\n 0 = disable, 1 = enable" |
| 63 | "\n Default value is 0" |
| 64 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
| 66 | #define ABOUT "V4L-Driver for Vision CPiA based cameras" |
| 67 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | #define CPIA_MODULE_CPIA (0<<5) |
| 69 | #define CPIA_MODULE_SYSTEM (1<<5) |
| 70 | #define CPIA_MODULE_VP_CTRL (5<<5) |
| 71 | #define CPIA_MODULE_CAPTURE (6<<5) |
| 72 | #define CPIA_MODULE_DEBUG (7<<5) |
| 73 | |
| 74 | #define INPUT (DATA_IN << 8) |
| 75 | #define OUTPUT (DATA_OUT << 8) |
| 76 | |
| 77 | #define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) |
| 78 | #define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) |
| 79 | #define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) |
| 80 | #define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) |
| 81 | #define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) |
| 82 | #define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) |
| 83 | #define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) |
| 84 | #define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) |
| 85 | |
| 86 | #define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) |
| 87 | #define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) |
| 88 | #define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) |
| 89 | #define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) |
| 90 | #define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) |
| 91 | #define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) |
| 92 | #define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) |
| 93 | #define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) |
| 94 | #define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) |
| 95 | #define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) |
| 96 | #define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) |
| 97 | #define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) |
| 98 | #define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) |
| 99 | |
| 100 | #define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) |
| 101 | #define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) |
| 102 | #define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) |
| 103 | #define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) |
| 104 | #define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) |
| 105 | #define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) |
| 106 | #define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) |
| 107 | #define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) |
| 108 | #define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) |
| 109 | #define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) |
| 110 | #define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) |
| 111 | #define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) |
| 112 | #define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) |
| 113 | #define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) |
| 114 | #define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) |
| 115 | #define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) |
| 116 | #define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) |
| 117 | |
| 118 | #define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) |
| 119 | #define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) |
| 120 | #define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) |
| 121 | #define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) |
| 122 | #define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) |
| 123 | #define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) |
| 124 | #define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) |
| 125 | #define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) |
| 126 | #define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) |
| 127 | #define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) |
| 128 | #define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) |
| 129 | #define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) |
| 130 | #define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) |
| 131 | #define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) |
| 132 | #define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) |
| 133 | |
| 134 | #define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) |
| 135 | #define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) |
| 136 | #define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) |
| 137 | #define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) |
| 138 | #define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) |
| 139 | #define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) |
| 140 | #define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) |
| 141 | #define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) |
| 142 | |
| 143 | enum { |
| 144 | FRAME_READY, /* Ready to grab into */ |
| 145 | FRAME_GRABBING, /* In the process of being grabbed into */ |
| 146 | FRAME_DONE, /* Finished grabbing, but not been synced yet */ |
| 147 | FRAME_UNUSED, /* Unused (no MCAPTURE) */ |
| 148 | }; |
| 149 | |
| 150 | #define COMMAND_NONE 0x0000 |
| 151 | #define COMMAND_SETCOMPRESSION 0x0001 |
| 152 | #define COMMAND_SETCOMPRESSIONTARGET 0x0002 |
| 153 | #define COMMAND_SETCOLOURPARAMS 0x0004 |
| 154 | #define COMMAND_SETFORMAT 0x0008 |
| 155 | #define COMMAND_PAUSE 0x0010 |
| 156 | #define COMMAND_RESUME 0x0020 |
| 157 | #define COMMAND_SETYUVTHRESH 0x0040 |
| 158 | #define COMMAND_SETECPTIMING 0x0080 |
| 159 | #define COMMAND_SETCOMPRESSIONPARAMS 0x0100 |
| 160 | #define COMMAND_SETEXPOSURE 0x0200 |
| 161 | #define COMMAND_SETCOLOURBALANCE 0x0400 |
| 162 | #define COMMAND_SETSENSORFPS 0x0800 |
| 163 | #define COMMAND_SETAPCOR 0x1000 |
| 164 | #define COMMAND_SETFLICKERCTRL 0x2000 |
| 165 | #define COMMAND_SETVLOFFSET 0x4000 |
| 166 | #define COMMAND_SETLIGHTS 0x8000 |
| 167 | |
| 168 | #define ROUND_UP_EXP_FOR_FLICKER 15 |
| 169 | |
| 170 | /* Constants for automatic frame rate adjustment */ |
| 171 | #define MAX_EXP 302 |
| 172 | #define MAX_EXP_102 255 |
| 173 | #define LOW_EXP 140 |
| 174 | #define VERY_LOW_EXP 70 |
| 175 | #define TC 94 |
| 176 | #define EXP_ACC_DARK 50 |
| 177 | #define EXP_ACC_LIGHT 90 |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 178 | #define HIGH_COMP_102 160 |
| 179 | #define MAX_COMP 239 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | #define DARK_TIME 3 |
| 181 | #define LIGHT_TIME 3 |
| 182 | |
| 183 | /* Maximum number of 10ms loops to wait for the stream to become ready */ |
| 184 | #define READY_TIMEOUT 100 |
| 185 | |
| 186 | /* Developer's Guide Table 5 p 3-34 |
| 187 | * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ |
| 188 | static u8 flicker_jumps[2][2][4] = |
| 189 | { { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, |
| 190 | { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } |
| 191 | }; |
| 192 | |
| 193 | /* forward declaration of local function */ |
| 194 | static void reset_camera_struct(struct cam_data *cam); |
| 195 | static int find_over_exposure(int brightness); |
| 196 | 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] | 197 | int on); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | |
| 199 | |
| 200 | /********************************************************************** |
| 201 | * |
| 202 | * Memory management |
| 203 | * |
| 204 | **********************************************************************/ |
| 205 | static void *rvmalloc(unsigned long size) |
| 206 | { |
| 207 | void *mem; |
| 208 | unsigned long adr; |
| 209 | |
| 210 | size = PAGE_ALIGN(size); |
| 211 | mem = vmalloc_32(size); |
| 212 | if (!mem) |
| 213 | return NULL; |
| 214 | |
| 215 | memset(mem, 0, size); /* Clear the ram out, no junk to the user */ |
| 216 | adr = (unsigned long) mem; |
| 217 | while (size > 0) { |
| 218 | SetPageReserved(vmalloc_to_page((void *)adr)); |
| 219 | adr += PAGE_SIZE; |
| 220 | size -= PAGE_SIZE; |
| 221 | } |
| 222 | |
| 223 | return mem; |
| 224 | } |
| 225 | |
| 226 | static void rvfree(void *mem, unsigned long size) |
| 227 | { |
| 228 | unsigned long adr; |
| 229 | |
| 230 | if (!mem) |
| 231 | return; |
| 232 | |
| 233 | adr = (unsigned long) mem; |
| 234 | while ((long) size > 0) { |
| 235 | ClearPageReserved(vmalloc_to_page((void *)adr)); |
| 236 | adr += PAGE_SIZE; |
| 237 | size -= PAGE_SIZE; |
| 238 | } |
| 239 | vfree(mem); |
| 240 | } |
| 241 | |
| 242 | /********************************************************************** |
| 243 | * |
| 244 | * /proc interface |
| 245 | * |
| 246 | **********************************************************************/ |
| 247 | #ifdef CONFIG_PROC_FS |
| 248 | static struct proc_dir_entry *cpia_proc_root=NULL; |
| 249 | |
| 250 | 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] | 251 | int count, int *eof, void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | { |
| 253 | char *out = page; |
| 254 | int len, tmp; |
| 255 | struct cam_data *cam = data; |
| 256 | char tmpstr[29]; |
| 257 | |
| 258 | /* IMPORTANT: This output MUST be kept under PAGE_SIZE |
| 259 | * or we need to get more sophisticated. */ |
| 260 | |
| 261 | out += sprintf(out, "read-only\n-----------------------\n"); |
| 262 | out += sprintf(out, "V4L Driver version: %d.%d.%d\n", |
| 263 | CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); |
| 264 | out += sprintf(out, "CPIA Version: %d.%02d (%d.%d)\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 265 | cam->params.version.firmwareVersion, |
| 266 | cam->params.version.firmwareRevision, |
| 267 | cam->params.version.vcVersion, |
| 268 | cam->params.version.vcRevision); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | out += sprintf(out, "CPIA PnP-ID: %04x:%04x:%04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 270 | cam->params.pnpID.vendor, cam->params.pnpID.product, |
| 271 | cam->params.pnpID.deviceRevision); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | out += sprintf(out, "VP-Version: %d.%d %04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 273 | cam->params.vpVersion.vpVersion, |
| 274 | cam->params.vpVersion.vpRevision, |
| 275 | cam->params.vpVersion.cameraHeadID); |
| 276 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | out += sprintf(out, "system_state: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 278 | cam->params.status.systemState); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | out += sprintf(out, "grab_state: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 280 | cam->params.status.grabState); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | out += sprintf(out, "stream_state: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 282 | cam->params.status.streamState); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | out += sprintf(out, "fatal_error: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 284 | cam->params.status.fatalError); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | out += sprintf(out, "cmd_error: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 286 | cam->params.status.cmdError); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | out += sprintf(out, "debug_flags: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 288 | cam->params.status.debugFlags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | out += sprintf(out, "vp_status: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 290 | cam->params.status.vpStatus); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | out += sprintf(out, "error_code: %#04x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 292 | cam->params.status.errorCode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | /* QX3 specific entries */ |
| 294 | if (cam->params.qx3.qx3_detected) { |
| 295 | out += sprintf(out, "button: %4d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 296 | cam->params.qx3.button); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | out += sprintf(out, "cradled: %4d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 298 | cam->params.qx3.cradled); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | } |
| 300 | out += sprintf(out, "video_size: %s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 301 | cam->params.format.videoSize == VIDEOSIZE_CIF ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | "CIF " : "QCIF"); |
| 303 | out += sprintf(out, "roi: (%3d, %3d) to (%3d, %3d)\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 304 | cam->params.roi.colStart*8, |
| 305 | cam->params.roi.rowStart*4, |
| 306 | cam->params.roi.colEnd*8, |
| 307 | cam->params.roi.rowEnd*4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | out += sprintf(out, "actual_fps: %3d\n", cam->fps); |
| 309 | out += sprintf(out, "transfer_rate: %4dkB/s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 310 | cam->transfer_rate); |
| 311 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | out += sprintf(out, "\nread-write\n"); |
| 313 | out += sprintf(out, "----------------------- current min" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 314 | " max default comment\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | out += sprintf(out, "brightness: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 316 | cam->params.colourParams.brightness, 0, 100, 50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | if (cam->params.version.firmwareVersion == 1 && |
| 318 | cam->params.version.firmwareRevision == 2) |
| 319 | /* 1-02 firmware limits contrast to 80 */ |
| 320 | tmp = 80; |
| 321 | else |
| 322 | tmp = 96; |
| 323 | |
| 324 | out += sprintf(out, "contrast: %8d %8d %8d %8d" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 325 | " steps of 8\n", |
| 326 | cam->params.colourParams.contrast, 0, tmp, 48); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | out += sprintf(out, "saturation: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 328 | cam->params.colourParams.saturation, 0, 100, 50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | tmp = (25000+5000*cam->params.sensorFps.baserate)/ |
| 330 | (1<<cam->params.sensorFps.divisor); |
| 331 | out += sprintf(out, "sensor_fps: %4d.%03d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 332 | tmp/1000, tmp%1000, 3, 30, 15); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | out += sprintf(out, "stream_start_line: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 334 | 2*cam->params.streamStartLine, 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | cam->params.format.videoSize == VIDEOSIZE_CIF ? 288:144, |
| 336 | cam->params.format.videoSize == VIDEOSIZE_CIF ? 240:120); |
| 337 | out += sprintf(out, "sub_sample: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 338 | cam->params.format.subSample == SUBSAMPLE_420 ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | "420" : "422", "420", "422", "422"); |
| 340 | out += sprintf(out, "yuv_order: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 341 | cam->params.format.yuvOrder == YUVORDER_YUYV ? |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | "YUYV" : "UYVY", "YUYV" , "UYVY", "YUYV"); |
| 343 | out += sprintf(out, "ecp_timing: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 344 | cam->params.ecpTiming ? "slow" : "normal", "slow", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | "normal", "normal"); |
| 346 | |
| 347 | if (cam->params.colourBalance.balanceMode == 2) { |
| 348 | sprintf(tmpstr, "auto"); |
| 349 | } else { |
| 350 | sprintf(tmpstr, "manual"); |
| 351 | } |
| 352 | out += sprintf(out, "color_balance_mode: %8s %8s %8s" |
| 353 | " %8s\n", tmpstr, "manual", "auto", "auto"); |
| 354 | out += sprintf(out, "red_gain: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 355 | cam->params.colourBalance.redGain, 0, 212, 32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | out += sprintf(out, "green_gain: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 357 | cam->params.colourBalance.greenGain, 0, 212, 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | out += sprintf(out, "blue_gain: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 359 | cam->params.colourBalance.blueGain, 0, 212, 92); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
| 361 | if (cam->params.version.firmwareVersion == 1 && |
| 362 | cam->params.version.firmwareRevision == 2) |
| 363 | /* 1-02 firmware limits gain to 2 */ |
| 364 | sprintf(tmpstr, "%8d %8d %8d", 1, 2, 2); |
| 365 | else |
| 366 | sprintf(tmpstr, "%8d %8d %8d", 1, 8, 2); |
| 367 | |
| 368 | if (cam->params.exposure.gainMode == 0) |
| 369 | out += sprintf(out, "max_gain: unknown %28s" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 370 | " powers of 2\n", tmpstr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | else |
| 372 | out += sprintf(out, "max_gain: %8d %28s" |
| 373 | " 1,2,4 or 8 \n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 374 | 1<<(cam->params.exposure.gainMode-1), tmpstr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | |
| 376 | switch(cam->params.exposure.expMode) { |
| 377 | case 1: |
| 378 | case 3: |
| 379 | sprintf(tmpstr, "manual"); |
| 380 | break; |
| 381 | case 2: |
| 382 | sprintf(tmpstr, "auto"); |
| 383 | break; |
| 384 | default: |
| 385 | sprintf(tmpstr, "unknown"); |
| 386 | break; |
| 387 | } |
| 388 | out += sprintf(out, "exposure_mode: %8s %8s %8s" |
| 389 | " %8s\n", tmpstr, "manual", "auto", "auto"); |
| 390 | out += sprintf(out, "centre_weight: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 391 | (2-cam->params.exposure.centreWeight) ? "on" : "off", |
| 392 | "off", "on", "on"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | 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] | 394 | 1<<cam->params.exposure.gain, 1, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | if (cam->params.version.firmwareVersion == 1 && |
| 396 | cam->params.version.firmwareRevision == 2) |
| 397 | /* 1-02 firmware limits fineExp/2 to 127 */ |
| 398 | tmp = 254; |
| 399 | else |
| 400 | tmp = 510; |
| 401 | |
| 402 | out += sprintf(out, "fine_exp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 403 | cam->params.exposure.fineExp*2, 0, tmp, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | if (cam->params.version.firmwareVersion == 1 && |
| 405 | cam->params.version.firmwareRevision == 2) |
| 406 | /* 1-02 firmware limits coarseExpHi to 0 */ |
| 407 | tmp = MAX_EXP_102; |
| 408 | else |
| 409 | tmp = MAX_EXP; |
| 410 | |
| 411 | out += sprintf(out, "coarse_exp: %8d %8d %8d" |
| 412 | " %8d\n", cam->params.exposure.coarseExpLo+ |
| 413 | 256*cam->params.exposure.coarseExpHi, 0, tmp, 185); |
| 414 | out += sprintf(out, "red_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 415 | cam->params.exposure.redComp, COMP_RED, 255, COMP_RED); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | out += sprintf(out, "green1_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 417 | cam->params.exposure.green1Comp, COMP_GREEN1, 255, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | COMP_GREEN1); |
| 419 | out += sprintf(out, "green2_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 420 | cam->params.exposure.green2Comp, COMP_GREEN2, 255, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | COMP_GREEN2); |
| 422 | out += sprintf(out, "blue_comp: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 423 | cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE); |
| 424 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | out += sprintf(out, "apcor_gain1: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 426 | cam->params.apcor.gain1, 0, 0xff, 0x1c); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | out += sprintf(out, "apcor_gain2: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 428 | cam->params.apcor.gain2, 0, 0xff, 0x1a); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | out += sprintf(out, "apcor_gain4: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 430 | cam->params.apcor.gain4, 0, 0xff, 0x2d); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | out += sprintf(out, "apcor_gain8: %#8x %#8x %#8x %#8x\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 432 | cam->params.apcor.gain8, 0, 0xff, 0x2a); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | out += sprintf(out, "vl_offset_gain1: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 434 | cam->params.vlOffset.gain1, 0, 255, 24); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | out += sprintf(out, "vl_offset_gain2: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 436 | cam->params.vlOffset.gain2, 0, 255, 28); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | out += sprintf(out, "vl_offset_gain4: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 438 | cam->params.vlOffset.gain4, 0, 255, 30); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | out += sprintf(out, "vl_offset_gain8: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 440 | cam->params.vlOffset.gain8, 0, 255, 30); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | out += sprintf(out, "flicker_control: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 442 | cam->params.flickerControl.flickerMode ? "on" : "off", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | "off", "on", "off"); |
| 444 | out += sprintf(out, "mains_frequency: %8d %8d %8d %8d" |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 445 | " only 50/60\n", |
| 446 | cam->mainsFreq ? 60 : 50, 50, 60, 50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | if(cam->params.flickerControl.allowableOverExposure < 0) |
| 448 | out += sprintf(out, "allowable_overexposure: %4dauto auto %8d auto\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 449 | -cam->params.flickerControl.allowableOverExposure, |
| 450 | 255); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | else |
| 452 | out += sprintf(out, "allowable_overexposure: %8d auto %8d auto\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 453 | cam->params.flickerControl.allowableOverExposure, |
| 454 | 255); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | out += sprintf(out, "compression_mode: "); |
| 456 | switch(cam->params.compression.mode) { |
| 457 | case CPIA_COMPRESSION_NONE: |
| 458 | out += sprintf(out, "%8s", "none"); |
| 459 | break; |
| 460 | case CPIA_COMPRESSION_AUTO: |
| 461 | out += sprintf(out, "%8s", "auto"); |
| 462 | break; |
| 463 | case CPIA_COMPRESSION_MANUAL: |
| 464 | out += sprintf(out, "%8s", "manual"); |
| 465 | break; |
| 466 | default: |
| 467 | out += sprintf(out, "%8s", "unknown"); |
| 468 | break; |
| 469 | } |
| 470 | out += sprintf(out, " none,auto,manual auto\n"); |
| 471 | out += sprintf(out, "decimation_enable: %8s %8s %8s %8s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 472 | cam->params.compression.decimation == |
| 473 | DECIMATION_ENAB ? "on":"off", "off", "on", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | "off"); |
| 475 | out += sprintf(out, "compression_target: %9s %9s %9s %9s\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 476 | cam->params.compressionTarget.frTargeting == |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | CPIA_COMPRESSION_TARGET_FRAMERATE ? |
| 478 | "framerate":"quality", |
| 479 | "framerate", "quality", "quality"); |
| 480 | out += sprintf(out, "target_framerate: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 481 | cam->params.compressionTarget.targetFR, 1, 30, 15); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | out += sprintf(out, "target_quality: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 483 | cam->params.compressionTarget.targetQ, 1, 64, 5); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | out += sprintf(out, "y_threshold: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 485 | cam->params.yuvThreshold.yThreshold, 0, 31, 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | out += sprintf(out, "uv_threshold: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 487 | cam->params.yuvThreshold.uvThreshold, 0, 31, 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | out += sprintf(out, "hysteresis: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 489 | cam->params.compressionParams.hysteresis, 0, 255, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | out += sprintf(out, "threshold_max: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 491 | cam->params.compressionParams.threshMax, 0, 255, 11); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | out += sprintf(out, "small_step: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 493 | cam->params.compressionParams.smallStep, 0, 255, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | out += sprintf(out, "large_step: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 495 | cam->params.compressionParams.largeStep, 0, 255, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | out += sprintf(out, "decimation_hysteresis: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 497 | cam->params.compressionParams.decimationHysteresis, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | 0, 255, 2); |
| 499 | 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] | 500 | cam->params.compressionParams.frDiffStepThresh, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | 0, 255, 5); |
| 502 | 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] | 503 | cam->params.compressionParams.qDiffStepThresh, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | 0, 255, 3); |
| 505 | out += sprintf(out, "decimation_thresh_mod: %8d %8d %8d %8d\n", |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 506 | cam->params.compressionParams.decimationThreshMod, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | 0, 255, 2); |
| 508 | /* QX3 specific entries */ |
| 509 | if (cam->params.qx3.qx3_detected) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 510 | out += sprintf(out, "toplight: %8s %8s %8s %8s\n", |
| 511 | cam->params.qx3.toplight ? "on" : "off", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | "off", "on", "off"); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 513 | out += sprintf(out, "bottomlight: %8s %8s %8s %8s\n", |
| 514 | cam->params.qx3.bottomlight ? "on" : "off", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | "off", "on", "off"); |
| 516 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 517 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | len = out - page; |
| 519 | len -= off; |
| 520 | if (len < count) { |
| 521 | *eof = 1; |
| 522 | if (len <= 0) return 0; |
| 523 | } else |
| 524 | len = count; |
| 525 | |
| 526 | *start = page + off; |
| 527 | return len; |
| 528 | } |
| 529 | |
| 530 | |
| 531 | static int match(char *checkstr, char **buffer, unsigned long *count, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 532 | int *find_colon, int *err) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | { |
| 534 | int ret, colon_found = 1; |
| 535 | int len = strlen(checkstr); |
| 536 | ret = (len <= *count && strncmp(*buffer, checkstr, len) == 0); |
| 537 | if (ret) { |
| 538 | *buffer += len; |
| 539 | *count -= len; |
| 540 | if (*find_colon) { |
| 541 | colon_found = 0; |
| 542 | while (*count && (**buffer == ' ' || **buffer == '\t' || |
| 543 | (!colon_found && **buffer == ':'))) { |
| 544 | if (**buffer == ':') |
| 545 | colon_found = 1; |
| 546 | --*count; |
| 547 | ++*buffer; |
| 548 | } |
| 549 | if (!*count || !colon_found) |
| 550 | *err = -EINVAL; |
| 551 | *find_colon = 0; |
| 552 | } |
| 553 | } |
| 554 | return ret; |
| 555 | } |
| 556 | |
| 557 | static unsigned long int value(char **buffer, unsigned long *count, int *err) |
| 558 | { |
| 559 | char *p; |
| 560 | unsigned long int ret; |
| 561 | ret = simple_strtoul(*buffer, &p, 0); |
| 562 | if (p == *buffer) |
| 563 | *err = -EINVAL; |
| 564 | else { |
| 565 | *count -= p - *buffer; |
| 566 | *buffer = p; |
| 567 | } |
| 568 | return ret; |
| 569 | } |
| 570 | |
| 571 | static int cpia_write_proc(struct file *file, const char __user *buf, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 572 | unsigned long count, void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | { |
| 574 | struct cam_data *cam = data; |
| 575 | struct cam_params new_params; |
| 576 | char *page, *buffer; |
| 577 | int retval, find_colon; |
| 578 | int size = count; |
| 579 | unsigned long val = 0; |
| 580 | u32 command_flags = 0; |
| 581 | u8 new_mains; |
| 582 | |
| 583 | /* |
| 584 | * This code to copy from buf to page is shamelessly copied |
| 585 | * from the comx driver |
| 586 | */ |
| 587 | if (count > PAGE_SIZE) { |
| 588 | printk(KERN_ERR "count is %lu > %d!!!\n", count, (int)PAGE_SIZE); |
| 589 | return -ENOSPC; |
| 590 | } |
| 591 | |
| 592 | if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM; |
| 593 | |
| 594 | if(copy_from_user(page, buf, count)) |
| 595 | { |
| 596 | retval = -EFAULT; |
| 597 | goto out; |
| 598 | } |
| 599 | |
| 600 | if (page[count-1] == '\n') |
| 601 | page[count-1] = '\0'; |
| 602 | else if (count < PAGE_SIZE) |
| 603 | page[count] = '\0'; |
| 604 | else if (page[count]) { |
| 605 | retval = -EINVAL; |
| 606 | goto out; |
| 607 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 608 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | buffer = page; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 610 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 611 | if (mutex_lock_interruptible(&cam->param_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | return -ERESTARTSYS; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 613 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | /* |
| 615 | * Skip over leading whitespace |
| 616 | */ |
| 617 | while (count && isspace(*buffer)) { |
| 618 | --count; |
| 619 | ++buffer; |
| 620 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 621 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | memcpy(&new_params, &cam->params, sizeof(struct cam_params)); |
| 623 | new_mains = cam->mainsFreq; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 624 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | #define MATCH(x) (match(x, &buffer, &count, &find_colon, &retval)) |
| 626 | #define VALUE (value(&buffer,&count, &retval)) |
| 627 | #define FIRMWARE_VERSION(x,y) (new_params.version.firmwareVersion == (x) && \ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 628 | new_params.version.firmwareRevision == (y)) |
| 629 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | retval = 0; |
| 631 | while (count && !retval) { |
| 632 | find_colon = 1; |
| 633 | if (MATCH("brightness")) { |
| 634 | if (!retval) |
| 635 | val = VALUE; |
| 636 | |
| 637 | if (!retval) { |
| 638 | if (val <= 100) |
| 639 | new_params.colourParams.brightness = val; |
| 640 | else |
| 641 | retval = -EINVAL; |
| 642 | } |
| 643 | command_flags |= COMMAND_SETCOLOURPARAMS; |
| 644 | if(new_params.flickerControl.allowableOverExposure < 0) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 645 | new_params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | -find_over_exposure(new_params.colourParams.brightness); |
| 647 | if(new_params.flickerControl.flickerMode != 0) |
| 648 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 649 | |
| 650 | } else if (MATCH("contrast")) { |
| 651 | if (!retval) |
| 652 | val = VALUE; |
| 653 | |
| 654 | if (!retval) { |
| 655 | if (val <= 100) { |
| 656 | /* contrast is in steps of 8, so round*/ |
| 657 | val = ((val + 3) / 8) * 8; |
| 658 | /* 1-02 firmware limits contrast to 80*/ |
| 659 | if (FIRMWARE_VERSION(1,2) && val > 80) |
| 660 | val = 80; |
| 661 | |
| 662 | new_params.colourParams.contrast = val; |
| 663 | } else |
| 664 | retval = -EINVAL; |
| 665 | } |
| 666 | command_flags |= COMMAND_SETCOLOURPARAMS; |
| 667 | } else if (MATCH("saturation")) { |
| 668 | if (!retval) |
| 669 | val = VALUE; |
| 670 | |
| 671 | if (!retval) { |
| 672 | if (val <= 100) |
| 673 | new_params.colourParams.saturation = val; |
| 674 | else |
| 675 | retval = -EINVAL; |
| 676 | } |
| 677 | command_flags |= COMMAND_SETCOLOURPARAMS; |
| 678 | } else if (MATCH("sensor_fps")) { |
| 679 | if (!retval) |
| 680 | val = VALUE; |
| 681 | |
| 682 | if (!retval) { |
| 683 | /* find values so that sensorFPS is minimized, |
| 684 | * but >= val */ |
| 685 | if (val > 30) |
| 686 | retval = -EINVAL; |
| 687 | else if (val > 25) { |
| 688 | new_params.sensorFps.divisor = 0; |
| 689 | new_params.sensorFps.baserate = 1; |
| 690 | } else if (val > 15) { |
| 691 | new_params.sensorFps.divisor = 0; |
| 692 | new_params.sensorFps.baserate = 0; |
| 693 | } else if (val > 12) { |
| 694 | new_params.sensorFps.divisor = 1; |
| 695 | new_params.sensorFps.baserate = 1; |
| 696 | } else if (val > 7) { |
| 697 | new_params.sensorFps.divisor = 1; |
| 698 | new_params.sensorFps.baserate = 0; |
| 699 | } else if (val > 6) { |
| 700 | new_params.sensorFps.divisor = 2; |
| 701 | new_params.sensorFps.baserate = 1; |
| 702 | } else if (val > 3) { |
| 703 | new_params.sensorFps.divisor = 2; |
| 704 | new_params.sensorFps.baserate = 0; |
| 705 | } else { |
| 706 | new_params.sensorFps.divisor = 3; |
| 707 | /* Either base rate would work here */ |
| 708 | new_params.sensorFps.baserate = 1; |
| 709 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 710 | new_params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | flicker_jumps[new_mains] |
| 712 | [new_params.sensorFps.baserate] |
| 713 | [new_params.sensorFps.divisor]; |
| 714 | if (new_params.flickerControl.flickerMode) |
| 715 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 716 | } |
| 717 | command_flags |= COMMAND_SETSENSORFPS; |
| 718 | cam->exposure_status = EXPOSURE_NORMAL; |
| 719 | } else if (MATCH("stream_start_line")) { |
| 720 | if (!retval) |
| 721 | val = VALUE; |
| 722 | |
| 723 | if (!retval) { |
| 724 | int max_line = 288; |
| 725 | |
| 726 | if (new_params.format.videoSize == VIDEOSIZE_QCIF) |
| 727 | max_line = 144; |
| 728 | if (val <= max_line) |
| 729 | new_params.streamStartLine = val/2; |
| 730 | else |
| 731 | retval = -EINVAL; |
| 732 | } |
| 733 | } else if (MATCH("sub_sample")) { |
| 734 | if (!retval && MATCH("420")) |
| 735 | new_params.format.subSample = SUBSAMPLE_420; |
| 736 | else if (!retval && MATCH("422")) |
| 737 | new_params.format.subSample = SUBSAMPLE_422; |
| 738 | else |
| 739 | retval = -EINVAL; |
| 740 | |
| 741 | command_flags |= COMMAND_SETFORMAT; |
| 742 | } else if (MATCH("yuv_order")) { |
| 743 | if (!retval && MATCH("YUYV")) |
| 744 | new_params.format.yuvOrder = YUVORDER_YUYV; |
| 745 | else if (!retval && MATCH("UYVY")) |
| 746 | new_params.format.yuvOrder = YUVORDER_UYVY; |
| 747 | else |
| 748 | retval = -EINVAL; |
| 749 | |
| 750 | command_flags |= COMMAND_SETFORMAT; |
| 751 | } else if (MATCH("ecp_timing")) { |
| 752 | if (!retval && MATCH("normal")) |
| 753 | new_params.ecpTiming = 0; |
| 754 | else if (!retval && MATCH("slow")) |
| 755 | new_params.ecpTiming = 1; |
| 756 | else |
| 757 | retval = -EINVAL; |
| 758 | |
| 759 | command_flags |= COMMAND_SETECPTIMING; |
| 760 | } else if (MATCH("color_balance_mode")) { |
| 761 | if (!retval && MATCH("manual")) |
| 762 | new_params.colourBalance.balanceMode = 3; |
| 763 | else if (!retval && MATCH("auto")) |
| 764 | new_params.colourBalance.balanceMode = 2; |
| 765 | else |
| 766 | retval = -EINVAL; |
| 767 | |
| 768 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 769 | } else if (MATCH("red_gain")) { |
| 770 | if (!retval) |
| 771 | val = VALUE; |
| 772 | |
| 773 | if (!retval) { |
| 774 | if (val <= 212) { |
| 775 | new_params.colourBalance.redGain = val; |
| 776 | new_params.colourBalance.balanceMode = 1; |
| 777 | } else |
| 778 | retval = -EINVAL; |
| 779 | } |
| 780 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 781 | } else if (MATCH("green_gain")) { |
| 782 | if (!retval) |
| 783 | val = VALUE; |
| 784 | |
| 785 | if (!retval) { |
| 786 | if (val <= 212) { |
| 787 | new_params.colourBalance.greenGain = val; |
| 788 | new_params.colourBalance.balanceMode = 1; |
| 789 | } else |
| 790 | retval = -EINVAL; |
| 791 | } |
| 792 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 793 | } else if (MATCH("blue_gain")) { |
| 794 | if (!retval) |
| 795 | val = VALUE; |
| 796 | |
| 797 | if (!retval) { |
| 798 | if (val <= 212) { |
| 799 | new_params.colourBalance.blueGain = val; |
| 800 | new_params.colourBalance.balanceMode = 1; |
| 801 | } else |
| 802 | retval = -EINVAL; |
| 803 | } |
| 804 | command_flags |= COMMAND_SETCOLOURBALANCE; |
| 805 | } else if (MATCH("max_gain")) { |
| 806 | if (!retval) |
| 807 | val = VALUE; |
| 808 | |
| 809 | if (!retval) { |
| 810 | /* 1-02 firmware limits gain to 2 */ |
| 811 | if (FIRMWARE_VERSION(1,2) && val > 2) |
| 812 | val = 2; |
| 813 | switch(val) { |
| 814 | case 1: |
| 815 | new_params.exposure.gainMode = 1; |
| 816 | break; |
| 817 | case 2: |
| 818 | new_params.exposure.gainMode = 2; |
| 819 | break; |
| 820 | case 4: |
| 821 | new_params.exposure.gainMode = 3; |
| 822 | break; |
| 823 | case 8: |
| 824 | new_params.exposure.gainMode = 4; |
| 825 | break; |
| 826 | default: |
| 827 | retval = -EINVAL; |
| 828 | break; |
| 829 | } |
| 830 | } |
| 831 | command_flags |= COMMAND_SETEXPOSURE; |
| 832 | } else if (MATCH("exposure_mode")) { |
| 833 | if (!retval && MATCH("auto")) |
| 834 | new_params.exposure.expMode = 2; |
| 835 | else if (!retval && MATCH("manual")) { |
| 836 | if (new_params.exposure.expMode == 2) |
| 837 | new_params.exposure.expMode = 3; |
| 838 | if(new_params.flickerControl.flickerMode != 0) |
| 839 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 840 | new_params.flickerControl.flickerMode = 0; |
| 841 | } else |
| 842 | retval = -EINVAL; |
| 843 | |
| 844 | command_flags |= COMMAND_SETEXPOSURE; |
| 845 | } else if (MATCH("centre_weight")) { |
| 846 | if (!retval && MATCH("on")) |
| 847 | new_params.exposure.centreWeight = 1; |
| 848 | else if (!retval && MATCH("off")) |
| 849 | new_params.exposure.centreWeight = 2; |
| 850 | else |
| 851 | retval = -EINVAL; |
| 852 | |
| 853 | command_flags |= COMMAND_SETEXPOSURE; |
| 854 | } else if (MATCH("gain")) { |
| 855 | if (!retval) |
| 856 | val = VALUE; |
| 857 | |
| 858 | if (!retval) { |
| 859 | switch(val) { |
| 860 | case 1: |
| 861 | new_params.exposure.gain = 0; |
| 862 | break; |
| 863 | case 2: |
| 864 | new_params.exposure.gain = 1; |
| 865 | break; |
| 866 | case 4: |
| 867 | new_params.exposure.gain = 2; |
| 868 | break; |
| 869 | case 8: |
| 870 | new_params.exposure.gain = 3; |
| 871 | break; |
| 872 | default: |
| 873 | retval = -EINVAL; |
| 874 | break; |
| 875 | } |
| 876 | new_params.exposure.expMode = 1; |
| 877 | if(new_params.flickerControl.flickerMode != 0) |
| 878 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 879 | new_params.flickerControl.flickerMode = 0; |
| 880 | command_flags |= COMMAND_SETEXPOSURE; |
| 881 | if (new_params.exposure.gain > |
| 882 | new_params.exposure.gainMode-1) |
| 883 | retval = -EINVAL; |
| 884 | } |
| 885 | } else if (MATCH("fine_exp")) { |
| 886 | if (!retval) |
| 887 | val = VALUE/2; |
| 888 | |
| 889 | if (!retval) { |
| 890 | if (val < 256) { |
| 891 | /* 1-02 firmware limits fineExp/2 to 127*/ |
| 892 | if (FIRMWARE_VERSION(1,2) && val > 127) |
| 893 | val = 127; |
| 894 | new_params.exposure.fineExp = val; |
| 895 | new_params.exposure.expMode = 1; |
| 896 | command_flags |= COMMAND_SETEXPOSURE; |
| 897 | if(new_params.flickerControl.flickerMode != 0) |
| 898 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 899 | new_params.flickerControl.flickerMode = 0; |
| 900 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 901 | } else |
| 902 | retval = -EINVAL; |
| 903 | } |
| 904 | } else if (MATCH("coarse_exp")) { |
| 905 | if (!retval) |
| 906 | val = VALUE; |
| 907 | |
| 908 | if (!retval) { |
| 909 | if (val <= MAX_EXP) { |
| 910 | if (FIRMWARE_VERSION(1,2) && |
| 911 | val > MAX_EXP_102) |
| 912 | val = MAX_EXP_102; |
| 913 | new_params.exposure.coarseExpLo = |
| 914 | val & 0xff; |
| 915 | new_params.exposure.coarseExpHi = |
| 916 | val >> 8; |
| 917 | new_params.exposure.expMode = 1; |
| 918 | command_flags |= COMMAND_SETEXPOSURE; |
| 919 | if(new_params.flickerControl.flickerMode != 0) |
| 920 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 921 | new_params.flickerControl.flickerMode = 0; |
| 922 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 923 | } else |
| 924 | retval = -EINVAL; |
| 925 | } |
| 926 | } else if (MATCH("red_comp")) { |
| 927 | if (!retval) |
| 928 | val = VALUE; |
| 929 | |
| 930 | if (!retval) { |
| 931 | if (val >= COMP_RED && val <= 255) { |
| 932 | new_params.exposure.redComp = val; |
| 933 | new_params.exposure.compMode = 1; |
| 934 | command_flags |= COMMAND_SETEXPOSURE; |
| 935 | } else |
| 936 | retval = -EINVAL; |
| 937 | } |
| 938 | } else if (MATCH("green1_comp")) { |
| 939 | if (!retval) |
| 940 | val = VALUE; |
| 941 | |
| 942 | if (!retval) { |
| 943 | if (val >= COMP_GREEN1 && val <= 255) { |
| 944 | new_params.exposure.green1Comp = val; |
| 945 | new_params.exposure.compMode = 1; |
| 946 | command_flags |= COMMAND_SETEXPOSURE; |
| 947 | } else |
| 948 | retval = -EINVAL; |
| 949 | } |
| 950 | } else if (MATCH("green2_comp")) { |
| 951 | if (!retval) |
| 952 | val = VALUE; |
| 953 | |
| 954 | if (!retval) { |
| 955 | if (val >= COMP_GREEN2 && val <= 255) { |
| 956 | new_params.exposure.green2Comp = val; |
| 957 | new_params.exposure.compMode = 1; |
| 958 | command_flags |= COMMAND_SETEXPOSURE; |
| 959 | } else |
| 960 | retval = -EINVAL; |
| 961 | } |
| 962 | } else if (MATCH("blue_comp")) { |
| 963 | if (!retval) |
| 964 | val = VALUE; |
| 965 | |
| 966 | if (!retval) { |
| 967 | if (val >= COMP_BLUE && val <= 255) { |
| 968 | new_params.exposure.blueComp = val; |
| 969 | new_params.exposure.compMode = 1; |
| 970 | command_flags |= COMMAND_SETEXPOSURE; |
| 971 | } else |
| 972 | retval = -EINVAL; |
| 973 | } |
| 974 | } else if (MATCH("apcor_gain1")) { |
| 975 | if (!retval) |
| 976 | val = VALUE; |
| 977 | |
| 978 | if (!retval) { |
| 979 | command_flags |= COMMAND_SETAPCOR; |
| 980 | if (val <= 0xff) |
| 981 | new_params.apcor.gain1 = val; |
| 982 | else |
| 983 | retval = -EINVAL; |
| 984 | } |
| 985 | } else if (MATCH("apcor_gain2")) { |
| 986 | if (!retval) |
| 987 | val = VALUE; |
| 988 | |
| 989 | if (!retval) { |
| 990 | command_flags |= COMMAND_SETAPCOR; |
| 991 | if (val <= 0xff) |
| 992 | new_params.apcor.gain2 = val; |
| 993 | else |
| 994 | retval = -EINVAL; |
| 995 | } |
| 996 | } else if (MATCH("apcor_gain4")) { |
| 997 | if (!retval) |
| 998 | val = VALUE; |
| 999 | |
| 1000 | if (!retval) { |
| 1001 | command_flags |= COMMAND_SETAPCOR; |
| 1002 | if (val <= 0xff) |
| 1003 | new_params.apcor.gain4 = val; |
| 1004 | else |
| 1005 | retval = -EINVAL; |
| 1006 | } |
| 1007 | } else if (MATCH("apcor_gain8")) { |
| 1008 | if (!retval) |
| 1009 | val = VALUE; |
| 1010 | |
| 1011 | if (!retval) { |
| 1012 | command_flags |= COMMAND_SETAPCOR; |
| 1013 | if (val <= 0xff) |
| 1014 | new_params.apcor.gain8 = val; |
| 1015 | else |
| 1016 | retval = -EINVAL; |
| 1017 | } |
| 1018 | } else if (MATCH("vl_offset_gain1")) { |
| 1019 | if (!retval) |
| 1020 | val = VALUE; |
| 1021 | |
| 1022 | if (!retval) { |
| 1023 | if (val <= 0xff) |
| 1024 | new_params.vlOffset.gain1 = val; |
| 1025 | else |
| 1026 | retval = -EINVAL; |
| 1027 | } |
| 1028 | command_flags |= COMMAND_SETVLOFFSET; |
| 1029 | } else if (MATCH("vl_offset_gain2")) { |
| 1030 | if (!retval) |
| 1031 | val = VALUE; |
| 1032 | |
| 1033 | if (!retval) { |
| 1034 | if (val <= 0xff) |
| 1035 | new_params.vlOffset.gain2 = val; |
| 1036 | else |
| 1037 | retval = -EINVAL; |
| 1038 | } |
| 1039 | command_flags |= COMMAND_SETVLOFFSET; |
| 1040 | } else if (MATCH("vl_offset_gain4")) { |
| 1041 | if (!retval) |
| 1042 | val = VALUE; |
| 1043 | |
| 1044 | if (!retval) { |
| 1045 | if (val <= 0xff) |
| 1046 | new_params.vlOffset.gain4 = val; |
| 1047 | else |
| 1048 | retval = -EINVAL; |
| 1049 | } |
| 1050 | command_flags |= COMMAND_SETVLOFFSET; |
| 1051 | } else if (MATCH("vl_offset_gain8")) { |
| 1052 | if (!retval) |
| 1053 | val = VALUE; |
| 1054 | |
| 1055 | if (!retval) { |
| 1056 | if (val <= 0xff) |
| 1057 | new_params.vlOffset.gain8 = val; |
| 1058 | else |
| 1059 | retval = -EINVAL; |
| 1060 | } |
| 1061 | command_flags |= COMMAND_SETVLOFFSET; |
| 1062 | } else if (MATCH("flicker_control")) { |
| 1063 | if (!retval && MATCH("on")) { |
| 1064 | set_flicker(&new_params, &command_flags, 1); |
| 1065 | } else if (!retval && MATCH("off")) { |
| 1066 | set_flicker(&new_params, &command_flags, 0); |
| 1067 | } else |
| 1068 | retval = -EINVAL; |
| 1069 | |
| 1070 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1071 | } else if (MATCH("mains_frequency")) { |
| 1072 | if (!retval && MATCH("50")) { |
| 1073 | new_mains = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1074 | new_params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1075 | flicker_jumps[new_mains] |
| 1076 | [new_params.sensorFps.baserate] |
| 1077 | [new_params.sensorFps.divisor]; |
| 1078 | if (new_params.flickerControl.flickerMode) |
| 1079 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1080 | } else if (!retval && MATCH("60")) { |
| 1081 | new_mains = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1082 | new_params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1083 | flicker_jumps[new_mains] |
| 1084 | [new_params.sensorFps.baserate] |
| 1085 | [new_params.sensorFps.divisor]; |
| 1086 | if (new_params.flickerControl.flickerMode) |
| 1087 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1088 | } else |
| 1089 | retval = -EINVAL; |
| 1090 | } else if (MATCH("allowable_overexposure")) { |
| 1091 | if (!retval && MATCH("auto")) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1092 | new_params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | -find_over_exposure(new_params.colourParams.brightness); |
| 1094 | if(new_params.flickerControl.flickerMode != 0) |
| 1095 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1096 | } else { |
| 1097 | if (!retval) |
| 1098 | val = VALUE; |
| 1099 | |
| 1100 | if (!retval) { |
| 1101 | if (val <= 0xff) { |
| 1102 | new_params.flickerControl. |
| 1103 | allowableOverExposure = val; |
| 1104 | if(new_params.flickerControl.flickerMode != 0) |
| 1105 | command_flags |= COMMAND_SETFLICKERCTRL; |
| 1106 | } else |
| 1107 | retval = -EINVAL; |
| 1108 | } |
| 1109 | } |
| 1110 | } else if (MATCH("compression_mode")) { |
| 1111 | if (!retval && MATCH("none")) |
| 1112 | new_params.compression.mode = |
| 1113 | CPIA_COMPRESSION_NONE; |
| 1114 | else if (!retval && MATCH("auto")) |
| 1115 | new_params.compression.mode = |
| 1116 | CPIA_COMPRESSION_AUTO; |
| 1117 | else if (!retval && MATCH("manual")) |
| 1118 | new_params.compression.mode = |
| 1119 | CPIA_COMPRESSION_MANUAL; |
| 1120 | else |
| 1121 | retval = -EINVAL; |
| 1122 | |
| 1123 | command_flags |= COMMAND_SETCOMPRESSION; |
| 1124 | } else if (MATCH("decimation_enable")) { |
| 1125 | if (!retval && MATCH("off")) |
| 1126 | new_params.compression.decimation = 0; |
| 1127 | else if (!retval && MATCH("on")) |
| 1128 | new_params.compression.decimation = 1; |
| 1129 | else |
| 1130 | retval = -EINVAL; |
| 1131 | |
| 1132 | command_flags |= COMMAND_SETCOMPRESSION; |
| 1133 | } else if (MATCH("compression_target")) { |
| 1134 | if (!retval && MATCH("quality")) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1135 | new_params.compressionTarget.frTargeting = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1136 | CPIA_COMPRESSION_TARGET_QUALITY; |
| 1137 | else if (!retval && MATCH("framerate")) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1138 | new_params.compressionTarget.frTargeting = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | CPIA_COMPRESSION_TARGET_FRAMERATE; |
| 1140 | else |
| 1141 | retval = -EINVAL; |
| 1142 | |
| 1143 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; |
| 1144 | } else if (MATCH("target_framerate")) { |
| 1145 | if (!retval) |
| 1146 | val = VALUE; |
| 1147 | |
| 1148 | if (!retval) { |
| 1149 | if(val > 0 && val <= 30) |
| 1150 | new_params.compressionTarget.targetFR = val; |
| 1151 | else |
| 1152 | retval = -EINVAL; |
| 1153 | } |
| 1154 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; |
| 1155 | } else if (MATCH("target_quality")) { |
| 1156 | if (!retval) |
| 1157 | val = VALUE; |
| 1158 | |
| 1159 | if (!retval) { |
| 1160 | if(val > 0 && val <= 64) |
| 1161 | new_params.compressionTarget.targetQ = val; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1162 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1163 | retval = -EINVAL; |
| 1164 | } |
| 1165 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; |
| 1166 | } else if (MATCH("y_threshold")) { |
| 1167 | if (!retval) |
| 1168 | val = VALUE; |
| 1169 | |
| 1170 | if (!retval) { |
| 1171 | if (val < 32) |
| 1172 | new_params.yuvThreshold.yThreshold = val; |
| 1173 | else |
| 1174 | retval = -EINVAL; |
| 1175 | } |
| 1176 | command_flags |= COMMAND_SETYUVTHRESH; |
| 1177 | } else if (MATCH("uv_threshold")) { |
| 1178 | if (!retval) |
| 1179 | val = VALUE; |
| 1180 | |
| 1181 | if (!retval) { |
| 1182 | if (val < 32) |
| 1183 | new_params.yuvThreshold.uvThreshold = val; |
| 1184 | else |
| 1185 | retval = -EINVAL; |
| 1186 | } |
| 1187 | command_flags |= COMMAND_SETYUVTHRESH; |
| 1188 | } else if (MATCH("hysteresis")) { |
| 1189 | if (!retval) |
| 1190 | val = VALUE; |
| 1191 | |
| 1192 | if (!retval) { |
| 1193 | if (val <= 0xff) |
| 1194 | new_params.compressionParams.hysteresis = val; |
| 1195 | else |
| 1196 | retval = -EINVAL; |
| 1197 | } |
| 1198 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1199 | } else if (MATCH("threshold_max")) { |
| 1200 | if (!retval) |
| 1201 | val = VALUE; |
| 1202 | |
| 1203 | if (!retval) { |
| 1204 | if (val <= 0xff) |
| 1205 | new_params.compressionParams.threshMax = val; |
| 1206 | else |
| 1207 | retval = -EINVAL; |
| 1208 | } |
| 1209 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1210 | } else if (MATCH("small_step")) { |
| 1211 | if (!retval) |
| 1212 | val = VALUE; |
| 1213 | |
| 1214 | if (!retval) { |
| 1215 | if (val <= 0xff) |
| 1216 | new_params.compressionParams.smallStep = val; |
| 1217 | else |
| 1218 | retval = -EINVAL; |
| 1219 | } |
| 1220 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1221 | } else if (MATCH("large_step")) { |
| 1222 | if (!retval) |
| 1223 | val = VALUE; |
| 1224 | |
| 1225 | if (!retval) { |
| 1226 | if (val <= 0xff) |
| 1227 | new_params.compressionParams.largeStep = val; |
| 1228 | else |
| 1229 | retval = -EINVAL; |
| 1230 | } |
| 1231 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1232 | } else if (MATCH("decimation_hysteresis")) { |
| 1233 | if (!retval) |
| 1234 | val = VALUE; |
| 1235 | |
| 1236 | if (!retval) { |
| 1237 | if (val <= 0xff) |
| 1238 | new_params.compressionParams.decimationHysteresis = val; |
| 1239 | else |
| 1240 | retval = -EINVAL; |
| 1241 | } |
| 1242 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1243 | } else if (MATCH("fr_diff_step_thresh")) { |
| 1244 | if (!retval) |
| 1245 | val = VALUE; |
| 1246 | |
| 1247 | if (!retval) { |
| 1248 | if (val <= 0xff) |
| 1249 | new_params.compressionParams.frDiffStepThresh = val; |
| 1250 | else |
| 1251 | retval = -EINVAL; |
| 1252 | } |
| 1253 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1254 | } else if (MATCH("q_diff_step_thresh")) { |
| 1255 | if (!retval) |
| 1256 | val = VALUE; |
| 1257 | |
| 1258 | if (!retval) { |
| 1259 | if (val <= 0xff) |
| 1260 | new_params.compressionParams.qDiffStepThresh = val; |
| 1261 | else |
| 1262 | retval = -EINVAL; |
| 1263 | } |
| 1264 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1265 | } else if (MATCH("decimation_thresh_mod")) { |
| 1266 | if (!retval) |
| 1267 | val = VALUE; |
| 1268 | |
| 1269 | if (!retval) { |
| 1270 | if (val <= 0xff) |
| 1271 | new_params.compressionParams.decimationThreshMod = val; |
| 1272 | else |
| 1273 | retval = -EINVAL; |
| 1274 | } |
| 1275 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; |
| 1276 | } else if (MATCH("toplight")) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1277 | if (!retval && MATCH("on")) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1278 | new_params.qx3.toplight = 1; |
| 1279 | else if (!retval && MATCH("off")) |
| 1280 | new_params.qx3.toplight = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1281 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1282 | retval = -EINVAL; |
| 1283 | command_flags |= COMMAND_SETLIGHTS; |
| 1284 | } else if (MATCH("bottomlight")) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1285 | if (!retval && MATCH("on")) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | new_params.qx3.bottomlight = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1287 | else if (!retval && MATCH("off")) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1288 | new_params.qx3.bottomlight = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1289 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1290 | retval = -EINVAL; |
| 1291 | command_flags |= COMMAND_SETLIGHTS; |
| 1292 | } else { |
| 1293 | DBG("No match found\n"); |
| 1294 | retval = -EINVAL; |
| 1295 | } |
| 1296 | |
| 1297 | if (!retval) { |
| 1298 | while (count && isspace(*buffer) && *buffer != '\n') { |
| 1299 | --count; |
| 1300 | ++buffer; |
| 1301 | } |
| 1302 | if (count) { |
| 1303 | if (*buffer == '\0' && count != 1) |
| 1304 | retval = -EINVAL; |
| 1305 | else if (*buffer != '\n' && *buffer != ';' && |
| 1306 | *buffer != '\0') |
| 1307 | retval = -EINVAL; |
| 1308 | else { |
| 1309 | --count; |
| 1310 | ++buffer; |
| 1311 | } |
| 1312 | } |
| 1313 | } |
| 1314 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1315 | #undef MATCH |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1316 | #undef VALUE |
| 1317 | #undef FIRMWARE_VERSION |
| 1318 | if (!retval) { |
| 1319 | if (command_flags & COMMAND_SETCOLOURPARAMS) { |
| 1320 | /* Adjust cam->vp to reflect these changes */ |
| 1321 | cam->vp.brightness = |
| 1322 | new_params.colourParams.brightness*65535/100; |
| 1323 | cam->vp.contrast = |
| 1324 | new_params.colourParams.contrast*65535/100; |
| 1325 | cam->vp.colour = |
| 1326 | new_params.colourParams.saturation*65535/100; |
| 1327 | } |
| 1328 | if((command_flags & COMMAND_SETEXPOSURE) && |
| 1329 | new_params.exposure.expMode == 2) |
| 1330 | cam->exposure_status = EXPOSURE_NORMAL; |
| 1331 | |
| 1332 | memcpy(&cam->params, &new_params, sizeof(struct cam_params)); |
| 1333 | cam->mainsFreq = new_mains; |
| 1334 | cam->cmd_queue |= command_flags; |
| 1335 | retval = size; |
| 1336 | } else |
| 1337 | DBG("error: %d\n", retval); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1338 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1339 | mutex_unlock(&cam->param_lock); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1340 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1341 | out: |
| 1342 | free_page((unsigned long)page); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1343 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1344 | } |
| 1345 | |
| 1346 | static void create_proc_cpia_cam(struct cam_data *cam) |
| 1347 | { |
Alexey Dobriyan | 13071f0 | 2007-01-14 15:29:42 -0300 | [diff] [blame] | 1348 | char name[5 + 1 + 10 + 1]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1349 | struct proc_dir_entry *ent; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1350 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1351 | if (!cpia_proc_root || !cam) |
| 1352 | return; |
| 1353 | |
Alexey Dobriyan | 13071f0 | 2007-01-14 15:29:42 -0300 | [diff] [blame] | 1354 | snprintf(name, sizeof(name), "video%d", cam->vdev.minor); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1355 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1356 | ent = create_proc_entry(name, S_IFREG|S_IRUGO|S_IWUSR, cpia_proc_root); |
| 1357 | if (!ent) |
| 1358 | return; |
| 1359 | |
| 1360 | ent->data = cam; |
| 1361 | ent->read_proc = cpia_read_proc; |
| 1362 | ent->write_proc = cpia_write_proc; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1363 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1364 | 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] | 1365 | the extra features of the QX3 microscope add 189 bytes. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | (we have not yet probed the camera to see which type it is). |
| 1367 | */ |
| 1368 | ent->size = 3736 + 189; |
| 1369 | cam->proc_entry = ent; |
| 1370 | } |
| 1371 | |
| 1372 | static void destroy_proc_cpia_cam(struct cam_data *cam) |
| 1373 | { |
Alexey Dobriyan | 13071f0 | 2007-01-14 15:29:42 -0300 | [diff] [blame] | 1374 | char name[5 + 1 + 10 + 1]; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1375 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1376 | if (!cam || !cam->proc_entry) |
| 1377 | return; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1378 | |
Alexey Dobriyan | 13071f0 | 2007-01-14 15:29:42 -0300 | [diff] [blame] | 1379 | snprintf(name, sizeof(name), "video%d", cam->vdev.minor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | remove_proc_entry(name, cpia_proc_root); |
| 1381 | cam->proc_entry = NULL; |
| 1382 | } |
| 1383 | |
| 1384 | static void proc_cpia_create(void) |
| 1385 | { |
Al Viro | 6660022 | 2005-09-28 22:32:57 +0100 | [diff] [blame] | 1386 | cpia_proc_root = proc_mkdir("cpia", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1387 | |
| 1388 | if (cpia_proc_root) |
| 1389 | cpia_proc_root->owner = THIS_MODULE; |
| 1390 | else |
| 1391 | LOG("Unable to initialise /proc/cpia\n"); |
| 1392 | } |
| 1393 | |
| 1394 | static void __exit proc_cpia_destroy(void) |
| 1395 | { |
| 1396 | remove_proc_entry("cpia", NULL); |
| 1397 | } |
| 1398 | #endif /* CONFIG_PROC_FS */ |
| 1399 | |
| 1400 | /* ----------------------- debug functions ---------------------- */ |
| 1401 | |
| 1402 | #define printstatus(cam) \ |
| 1403 | DBG("%02x %02x %02x %02x %02x %02x %02x %02x\n",\ |
| 1404 | cam->params.status.systemState, cam->params.status.grabState, \ |
| 1405 | cam->params.status.streamState, cam->params.status.fatalError, \ |
| 1406 | cam->params.status.cmdError, cam->params.status.debugFlags, \ |
| 1407 | cam->params.status.vpStatus, cam->params.status.errorCode); |
| 1408 | |
| 1409 | /* ----------------------- v4l helpers -------------------------- */ |
| 1410 | |
| 1411 | /* supported frame palettes and depths */ |
| 1412 | static inline int valid_mode(u16 palette, u16 depth) |
| 1413 | { |
| 1414 | if ((palette == VIDEO_PALETTE_YUV422 && depth == 16) || |
| 1415 | (palette == VIDEO_PALETTE_YUYV && depth == 16)) |
| 1416 | return 1; |
| 1417 | |
| 1418 | if (colorspace_conv) |
| 1419 | return (palette == VIDEO_PALETTE_GREY && depth == 8) || |
| 1420 | (palette == VIDEO_PALETTE_RGB555 && depth == 16) || |
| 1421 | (palette == VIDEO_PALETTE_RGB565 && depth == 16) || |
| 1422 | (palette == VIDEO_PALETTE_RGB24 && depth == 24) || |
| 1423 | (palette == VIDEO_PALETTE_RGB32 && depth == 32) || |
| 1424 | (palette == VIDEO_PALETTE_UYVY && depth == 16); |
| 1425 | |
| 1426 | return 0; |
| 1427 | } |
| 1428 | |
| 1429 | static int match_videosize( int width, int height ) |
| 1430 | { |
| 1431 | /* return the best match, where 'best' is as always |
| 1432 | * the largest that is not bigger than what is requested. */ |
| 1433 | if (width>=352 && height>=288) |
| 1434 | return VIDEOSIZE_352_288; /* CIF */ |
| 1435 | |
| 1436 | if (width>=320 && height>=240) |
| 1437 | return VIDEOSIZE_320_240; /* SIF */ |
| 1438 | |
| 1439 | if (width>=288 && height>=216) |
| 1440 | return VIDEOSIZE_288_216; |
| 1441 | |
| 1442 | if (width>=256 && height>=192) |
| 1443 | return VIDEOSIZE_256_192; |
| 1444 | |
| 1445 | if (width>=224 && height>=168) |
| 1446 | return VIDEOSIZE_224_168; |
| 1447 | |
| 1448 | if (width>=192 && height>=144) |
| 1449 | return VIDEOSIZE_192_144; |
| 1450 | |
| 1451 | if (width>=176 && height>=144) |
| 1452 | return VIDEOSIZE_176_144; /* QCIF */ |
| 1453 | |
| 1454 | if (width>=160 && height>=120) |
| 1455 | return VIDEOSIZE_160_120; /* QSIF */ |
| 1456 | |
| 1457 | if (width>=128 && height>=96) |
| 1458 | return VIDEOSIZE_128_96; |
| 1459 | |
| 1460 | if (width>=88 && height>=72) |
| 1461 | return VIDEOSIZE_88_72; |
| 1462 | |
| 1463 | if (width>=64 && height>=48) |
| 1464 | return VIDEOSIZE_64_48; |
| 1465 | |
| 1466 | if (width>=48 && height>=48) |
| 1467 | return VIDEOSIZE_48_48; |
| 1468 | |
| 1469 | return -1; |
| 1470 | } |
| 1471 | |
| 1472 | /* these are the capture sizes we support */ |
| 1473 | static void set_vw_size(struct cam_data *cam) |
| 1474 | { |
| 1475 | /* the col/row/start/end values are the result of simple math */ |
| 1476 | /* study the SetROI-command in cpia developers guide p 2-22 */ |
| 1477 | /* streamStartLine is set to the recommended value in the cpia */ |
| 1478 | /* developers guide p 3-37 */ |
| 1479 | switch(cam->video_size) { |
| 1480 | case VIDEOSIZE_CIF: |
| 1481 | cam->vw.width = 352; |
| 1482 | cam->vw.height = 288; |
| 1483 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1484 | cam->params.roi.colStart=0; |
| 1485 | cam->params.roi.rowStart=0; |
| 1486 | cam->params.streamStartLine = 120; |
| 1487 | break; |
| 1488 | case VIDEOSIZE_SIF: |
| 1489 | cam->vw.width = 320; |
| 1490 | cam->vw.height = 240; |
| 1491 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1492 | cam->params.roi.colStart=2; |
| 1493 | cam->params.roi.rowStart=6; |
| 1494 | cam->params.streamStartLine = 120; |
| 1495 | break; |
| 1496 | case VIDEOSIZE_288_216: |
| 1497 | cam->vw.width = 288; |
| 1498 | cam->vw.height = 216; |
| 1499 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1500 | cam->params.roi.colStart=4; |
| 1501 | cam->params.roi.rowStart=9; |
| 1502 | cam->params.streamStartLine = 120; |
| 1503 | break; |
| 1504 | case VIDEOSIZE_256_192: |
| 1505 | cam->vw.width = 256; |
| 1506 | cam->vw.height = 192; |
| 1507 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1508 | cam->params.roi.colStart=6; |
| 1509 | cam->params.roi.rowStart=12; |
| 1510 | cam->params.streamStartLine = 120; |
| 1511 | break; |
| 1512 | case VIDEOSIZE_224_168: |
| 1513 | cam->vw.width = 224; |
| 1514 | cam->vw.height = 168; |
| 1515 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1516 | cam->params.roi.colStart=8; |
| 1517 | cam->params.roi.rowStart=15; |
| 1518 | cam->params.streamStartLine = 120; |
| 1519 | break; |
| 1520 | case VIDEOSIZE_192_144: |
| 1521 | cam->vw.width = 192; |
| 1522 | cam->vw.height = 144; |
| 1523 | cam->params.format.videoSize=VIDEOSIZE_CIF; |
| 1524 | cam->params.roi.colStart=10; |
| 1525 | cam->params.roi.rowStart=18; |
| 1526 | cam->params.streamStartLine = 120; |
| 1527 | break; |
| 1528 | case VIDEOSIZE_QCIF: |
| 1529 | cam->vw.width = 176; |
| 1530 | cam->vw.height = 144; |
| 1531 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1532 | cam->params.roi.colStart=0; |
| 1533 | cam->params.roi.rowStart=0; |
| 1534 | cam->params.streamStartLine = 60; |
| 1535 | break; |
| 1536 | case VIDEOSIZE_QSIF: |
| 1537 | cam->vw.width = 160; |
| 1538 | cam->vw.height = 120; |
| 1539 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1540 | cam->params.roi.colStart=1; |
| 1541 | cam->params.roi.rowStart=3; |
| 1542 | cam->params.streamStartLine = 60; |
| 1543 | break; |
| 1544 | case VIDEOSIZE_128_96: |
| 1545 | cam->vw.width = 128; |
| 1546 | cam->vw.height = 96; |
| 1547 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1548 | cam->params.roi.colStart=3; |
| 1549 | cam->params.roi.rowStart=6; |
| 1550 | cam->params.streamStartLine = 60; |
| 1551 | break; |
| 1552 | case VIDEOSIZE_88_72: |
| 1553 | cam->vw.width = 88; |
| 1554 | cam->vw.height = 72; |
| 1555 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1556 | cam->params.roi.colStart=5; |
| 1557 | cam->params.roi.rowStart=9; |
| 1558 | cam->params.streamStartLine = 60; |
| 1559 | break; |
| 1560 | case VIDEOSIZE_64_48: |
| 1561 | cam->vw.width = 64; |
| 1562 | cam->vw.height = 48; |
| 1563 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1564 | cam->params.roi.colStart=7; |
| 1565 | cam->params.roi.rowStart=12; |
| 1566 | cam->params.streamStartLine = 60; |
| 1567 | break; |
| 1568 | case VIDEOSIZE_48_48: |
| 1569 | cam->vw.width = 48; |
| 1570 | cam->vw.height = 48; |
| 1571 | cam->params.format.videoSize=VIDEOSIZE_QCIF; |
| 1572 | cam->params.roi.colStart=8; |
| 1573 | cam->params.roi.rowStart=6; |
| 1574 | cam->params.streamStartLine = 60; |
| 1575 | break; |
| 1576 | default: |
| 1577 | LOG("bad videosize value: %d\n", cam->video_size); |
| 1578 | return; |
| 1579 | } |
| 1580 | |
| 1581 | if(cam->vc.width == 0) |
| 1582 | cam->vc.width = cam->vw.width; |
| 1583 | if(cam->vc.height == 0) |
| 1584 | cam->vc.height = cam->vw.height; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1585 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1586 | cam->params.roi.colStart += cam->vc.x >> 3; |
| 1587 | cam->params.roi.colEnd = cam->params.roi.colStart + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1588 | (cam->vc.width >> 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1589 | cam->params.roi.rowStart += cam->vc.y >> 2; |
| 1590 | cam->params.roi.rowEnd = cam->params.roi.rowStart + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1591 | (cam->vc.height >> 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1592 | |
| 1593 | return; |
| 1594 | } |
| 1595 | |
| 1596 | static int allocate_frame_buf(struct cam_data *cam) |
| 1597 | { |
| 1598 | int i; |
| 1599 | |
| 1600 | cam->frame_buf = rvmalloc(FRAME_NUM * CPIA_MAX_FRAME_SIZE); |
| 1601 | if (!cam->frame_buf) |
| 1602 | return -ENOBUFS; |
| 1603 | |
| 1604 | for (i = 0; i < FRAME_NUM; i++) |
| 1605 | cam->frame[i].data = cam->frame_buf + i * CPIA_MAX_FRAME_SIZE; |
| 1606 | |
| 1607 | return 0; |
| 1608 | } |
| 1609 | |
| 1610 | static int free_frame_buf(struct cam_data *cam) |
| 1611 | { |
| 1612 | int i; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1613 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1614 | rvfree(cam->frame_buf, FRAME_NUM*CPIA_MAX_FRAME_SIZE); |
| 1615 | cam->frame_buf = NULL; |
| 1616 | for (i=0; i < FRAME_NUM; i++) |
| 1617 | cam->frame[i].data = NULL; |
| 1618 | |
| 1619 | return 0; |
| 1620 | } |
| 1621 | |
| 1622 | |
| 1623 | static inline void free_frames(struct cpia_frame frame[FRAME_NUM]) |
| 1624 | { |
| 1625 | int i; |
| 1626 | |
| 1627 | for (i=0; i < FRAME_NUM; i++) |
| 1628 | frame[i].state = FRAME_UNUSED; |
| 1629 | return; |
| 1630 | } |
| 1631 | |
| 1632 | /********************************************************************** |
| 1633 | * |
| 1634 | * General functions |
| 1635 | * |
| 1636 | **********************************************************************/ |
| 1637 | /* send an arbitrary command to the camera */ |
| 1638 | static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d) |
| 1639 | { |
| 1640 | int retval, datasize; |
| 1641 | u8 cmd[8], data[8]; |
| 1642 | |
| 1643 | switch(command) { |
| 1644 | case CPIA_COMMAND_GetCPIAVersion: |
| 1645 | case CPIA_COMMAND_GetPnPID: |
| 1646 | case CPIA_COMMAND_GetCameraStatus: |
| 1647 | case CPIA_COMMAND_GetVPVersion: |
| 1648 | datasize=8; |
| 1649 | break; |
| 1650 | case CPIA_COMMAND_GetColourParams: |
| 1651 | case CPIA_COMMAND_GetColourBalance: |
| 1652 | case CPIA_COMMAND_GetExposure: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1653 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | datasize=8; |
| 1655 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1656 | case CPIA_COMMAND_ReadMCPorts: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1657 | case CPIA_COMMAND_ReadVCRegs: |
| 1658 | datasize = 4; |
| 1659 | break; |
| 1660 | default: |
| 1661 | datasize=0; |
| 1662 | break; |
| 1663 | } |
| 1664 | |
| 1665 | cmd[0] = command>>8; |
| 1666 | cmd[1] = command&0xff; |
| 1667 | cmd[2] = a; |
| 1668 | cmd[3] = b; |
| 1669 | cmd[4] = c; |
| 1670 | cmd[5] = d; |
| 1671 | cmd[6] = datasize; |
| 1672 | cmd[7] = 0; |
| 1673 | |
| 1674 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); |
| 1675 | if (retval) { |
| 1676 | DBG("%x - failed, retval=%d\n", command, retval); |
| 1677 | if (command == CPIA_COMMAND_GetColourParams || |
| 1678 | command == CPIA_COMMAND_GetColourBalance || |
| 1679 | command == CPIA_COMMAND_GetExposure) |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1680 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1681 | } else { |
| 1682 | switch(command) { |
| 1683 | case CPIA_COMMAND_GetCPIAVersion: |
| 1684 | cam->params.version.firmwareVersion = data[0]; |
| 1685 | cam->params.version.firmwareRevision = data[1]; |
| 1686 | cam->params.version.vcVersion = data[2]; |
| 1687 | cam->params.version.vcRevision = data[3]; |
| 1688 | break; |
| 1689 | case CPIA_COMMAND_GetPnPID: |
| 1690 | cam->params.pnpID.vendor = data[0]+(((u16)data[1])<<8); |
| 1691 | cam->params.pnpID.product = data[2]+(((u16)data[3])<<8); |
| 1692 | cam->params.pnpID.deviceRevision = |
| 1693 | data[4]+(((u16)data[5])<<8); |
| 1694 | break; |
| 1695 | case CPIA_COMMAND_GetCameraStatus: |
| 1696 | cam->params.status.systemState = data[0]; |
| 1697 | cam->params.status.grabState = data[1]; |
| 1698 | cam->params.status.streamState = data[2]; |
| 1699 | cam->params.status.fatalError = data[3]; |
| 1700 | cam->params.status.cmdError = data[4]; |
| 1701 | cam->params.status.debugFlags = data[5]; |
| 1702 | cam->params.status.vpStatus = data[6]; |
| 1703 | cam->params.status.errorCode = data[7]; |
| 1704 | break; |
| 1705 | case CPIA_COMMAND_GetVPVersion: |
| 1706 | cam->params.vpVersion.vpVersion = data[0]; |
| 1707 | cam->params.vpVersion.vpRevision = data[1]; |
| 1708 | cam->params.vpVersion.cameraHeadID = |
| 1709 | data[2]+(((u16)data[3])<<8); |
| 1710 | break; |
| 1711 | case CPIA_COMMAND_GetColourParams: |
| 1712 | cam->params.colourParams.brightness = data[0]; |
| 1713 | cam->params.colourParams.contrast = data[1]; |
| 1714 | cam->params.colourParams.saturation = data[2]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1715 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1716 | break; |
| 1717 | case CPIA_COMMAND_GetColourBalance: |
| 1718 | cam->params.colourBalance.redGain = data[0]; |
| 1719 | cam->params.colourBalance.greenGain = data[1]; |
| 1720 | cam->params.colourBalance.blueGain = data[2]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1721 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1722 | break; |
| 1723 | case CPIA_COMMAND_GetExposure: |
| 1724 | cam->params.exposure.gain = data[0]; |
| 1725 | cam->params.exposure.fineExp = data[1]; |
| 1726 | cam->params.exposure.coarseExpLo = data[2]; |
| 1727 | cam->params.exposure.coarseExpHi = data[3]; |
| 1728 | cam->params.exposure.redComp = data[4]; |
| 1729 | cam->params.exposure.green1Comp = data[5]; |
| 1730 | cam->params.exposure.green2Comp = data[6]; |
| 1731 | cam->params.exposure.blueComp = data[7]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1732 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1733 | break; |
| 1734 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1735 | case CPIA_COMMAND_ReadMCPorts: |
| 1736 | if (!cam->params.qx3.qx3_detected) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1737 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1738 | /* test button press */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1739 | cam->params.qx3.button = ((data[1] & 0x02) == 0); |
| 1740 | if (cam->params.qx3.button) { |
| 1741 | /* button pressed - unlock the latch */ |
| 1742 | do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xDF,0xDF,0); |
| 1743 | do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xFF,0xFF,0); |
| 1744 | } |
| 1745 | |
| 1746 | /* test whether microscope is cradled */ |
| 1747 | cam->params.qx3.cradled = ((data[2] & 0x40) == 0); |
| 1748 | break; |
| 1749 | |
| 1750 | default: |
| 1751 | break; |
| 1752 | } |
| 1753 | } |
| 1754 | return retval; |
| 1755 | } |
| 1756 | |
| 1757 | /* send a command to the camera with an additional data transaction */ |
| 1758 | static int do_command_extended(struct cam_data *cam, u16 command, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1759 | u8 a, u8 b, u8 c, u8 d, |
| 1760 | u8 e, u8 f, u8 g, u8 h, |
| 1761 | u8 i, u8 j, u8 k, u8 l) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1762 | { |
| 1763 | int retval; |
| 1764 | u8 cmd[8], data[8]; |
| 1765 | |
| 1766 | cmd[0] = command>>8; |
| 1767 | cmd[1] = command&0xff; |
| 1768 | cmd[2] = a; |
| 1769 | cmd[3] = b; |
| 1770 | cmd[4] = c; |
| 1771 | cmd[5] = d; |
| 1772 | cmd[6] = 8; |
| 1773 | cmd[7] = 0; |
| 1774 | data[0] = e; |
| 1775 | data[1] = f; |
| 1776 | data[2] = g; |
| 1777 | data[3] = h; |
| 1778 | data[4] = i; |
| 1779 | data[5] = j; |
| 1780 | data[6] = k; |
| 1781 | data[7] = l; |
| 1782 | |
| 1783 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); |
| 1784 | if (retval) |
| 1785 | DBG("%x - failed\n", command); |
| 1786 | |
| 1787 | return retval; |
| 1788 | } |
| 1789 | |
| 1790 | /********************************************************************** |
| 1791 | * |
| 1792 | * Colorspace conversion |
| 1793 | * |
| 1794 | **********************************************************************/ |
| 1795 | #define LIMIT(x) ((((x)>0xffffff)?0xff0000:(((x)<=0xffff)?0:(x)&0xff0000))>>16) |
| 1796 | |
| 1797 | static int convert420(unsigned char *yuv, unsigned char *rgb, int out_fmt, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1798 | int linesize, int mmap_kludge) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1799 | { |
| 1800 | int y, u, v, r, g, b, y1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1801 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1802 | /* Odd lines use the same u and v as the previous line. |
| 1803 | * Because of compression, it is necessary to get this |
| 1804 | * information from the decoded image. */ |
| 1805 | switch(out_fmt) { |
| 1806 | case VIDEO_PALETTE_RGB555: |
| 1807 | y = (*yuv++ - 16) * 76310; |
| 1808 | y1 = (*yuv - 16) * 76310; |
| 1809 | r = ((*(rgb+1-linesize)) & 0x7c) << 1; |
| 1810 | g = ((*(rgb-linesize)) & 0xe0) >> 4 | |
| 1811 | ((*(rgb+1-linesize)) & 0x03) << 6; |
| 1812 | b = ((*(rgb-linesize)) & 0x1f) << 3; |
| 1813 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; |
| 1814 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; |
| 1815 | r = 104635 * v; |
| 1816 | g = -25690 * u - 53294 * v; |
| 1817 | b = 132278 * u; |
| 1818 | *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); |
| 1819 | *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); |
| 1820 | *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); |
| 1821 | *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); |
| 1822 | return 4; |
| 1823 | case VIDEO_PALETTE_RGB565: |
| 1824 | y = (*yuv++ - 16) * 76310; |
| 1825 | y1 = (*yuv - 16) * 76310; |
| 1826 | r = (*(rgb+1-linesize)) & 0xf8; |
| 1827 | g = ((*(rgb-linesize)) & 0xe0) >> 3 | |
| 1828 | ((*(rgb+1-linesize)) & 0x07) << 5; |
| 1829 | b = ((*(rgb-linesize)) & 0x1f) << 3; |
| 1830 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; |
| 1831 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; |
| 1832 | r = 104635 * v; |
| 1833 | g = -25690 * u - 53294 * v; |
| 1834 | b = 132278 * u; |
| 1835 | *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); |
| 1836 | *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); |
| 1837 | *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); |
| 1838 | *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); |
| 1839 | return 4; |
| 1840 | break; |
| 1841 | case VIDEO_PALETTE_RGB24: |
| 1842 | case VIDEO_PALETTE_RGB32: |
| 1843 | y = (*yuv++ - 16) * 76310; |
| 1844 | y1 = (*yuv - 16) * 76310; |
| 1845 | if (mmap_kludge) { |
| 1846 | r = *(rgb+2-linesize); |
| 1847 | g = *(rgb+1-linesize); |
| 1848 | b = *(rgb-linesize); |
| 1849 | } else { |
| 1850 | r = *(rgb-linesize); |
| 1851 | g = *(rgb+1-linesize); |
| 1852 | b = *(rgb+2-linesize); |
| 1853 | } |
| 1854 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; |
| 1855 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; |
| 1856 | r = 104635 * v; |
| 1857 | g = -25690 * u + -53294 * v; |
| 1858 | b = 132278 * u; |
| 1859 | if (mmap_kludge) { |
| 1860 | *rgb++ = LIMIT(b+y); |
| 1861 | *rgb++ = LIMIT(g+y); |
| 1862 | *rgb++ = LIMIT(r+y); |
| 1863 | if(out_fmt == VIDEO_PALETTE_RGB32) |
| 1864 | rgb++; |
| 1865 | *rgb++ = LIMIT(b+y1); |
| 1866 | *rgb++ = LIMIT(g+y1); |
| 1867 | *rgb = LIMIT(r+y1); |
| 1868 | } else { |
| 1869 | *rgb++ = LIMIT(r+y); |
| 1870 | *rgb++ = LIMIT(g+y); |
| 1871 | *rgb++ = LIMIT(b+y); |
| 1872 | if(out_fmt == VIDEO_PALETTE_RGB32) |
| 1873 | rgb++; |
| 1874 | *rgb++ = LIMIT(r+y1); |
| 1875 | *rgb++ = LIMIT(g+y1); |
| 1876 | *rgb = LIMIT(b+y1); |
| 1877 | } |
| 1878 | if(out_fmt == VIDEO_PALETTE_RGB32) |
| 1879 | return 8; |
| 1880 | return 6; |
| 1881 | case VIDEO_PALETTE_YUV422: |
| 1882 | case VIDEO_PALETTE_YUYV: |
| 1883 | y = *yuv++; |
| 1884 | u = *(rgb+1-linesize); |
| 1885 | y1 = *yuv; |
| 1886 | v = *(rgb+3-linesize); |
| 1887 | *rgb++ = y; |
| 1888 | *rgb++ = u; |
| 1889 | *rgb++ = y1; |
| 1890 | *rgb = v; |
| 1891 | return 4; |
| 1892 | case VIDEO_PALETTE_UYVY: |
| 1893 | u = *(rgb-linesize); |
| 1894 | y = *yuv++; |
| 1895 | v = *(rgb+2-linesize); |
| 1896 | y1 = *yuv; |
| 1897 | *rgb++ = u; |
| 1898 | *rgb++ = y; |
| 1899 | *rgb++ = v; |
| 1900 | *rgb = y1; |
| 1901 | return 4; |
| 1902 | case VIDEO_PALETTE_GREY: |
| 1903 | *rgb++ = *yuv++; |
| 1904 | *rgb = *yuv; |
| 1905 | return 2; |
| 1906 | default: |
| 1907 | DBG("Empty: %d\n", out_fmt); |
| 1908 | return 0; |
| 1909 | } |
| 1910 | } |
| 1911 | |
| 1912 | |
| 1913 | static int yuvconvert(unsigned char *yuv, unsigned char *rgb, int out_fmt, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1914 | int in_uyvy, int mmap_kludge) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1915 | { |
| 1916 | int y, u, v, r, g, b, y1; |
| 1917 | |
| 1918 | switch(out_fmt) { |
| 1919 | case VIDEO_PALETTE_RGB555: |
| 1920 | case VIDEO_PALETTE_RGB565: |
| 1921 | case VIDEO_PALETTE_RGB24: |
| 1922 | case VIDEO_PALETTE_RGB32: |
| 1923 | if (in_uyvy) { |
| 1924 | u = *yuv++ - 128; |
| 1925 | y = (*yuv++ - 16) * 76310; |
| 1926 | v = *yuv++ - 128; |
| 1927 | y1 = (*yuv - 16) * 76310; |
| 1928 | } else { |
| 1929 | y = (*yuv++ - 16) * 76310; |
| 1930 | u = *yuv++ - 128; |
| 1931 | y1 = (*yuv++ - 16) * 76310; |
| 1932 | v = *yuv - 128; |
| 1933 | } |
| 1934 | r = 104635 * v; |
| 1935 | g = -25690 * u + -53294 * v; |
| 1936 | b = 132278 * u; |
| 1937 | break; |
| 1938 | default: |
| 1939 | y = *yuv++; |
| 1940 | u = *yuv++; |
| 1941 | y1 = *yuv++; |
| 1942 | v = *yuv; |
| 1943 | /* Just to avoid compiler warnings */ |
| 1944 | r = 0; |
| 1945 | g = 0; |
| 1946 | b = 0; |
| 1947 | break; |
| 1948 | } |
| 1949 | switch(out_fmt) { |
| 1950 | case VIDEO_PALETTE_RGB555: |
| 1951 | *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); |
| 1952 | *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); |
| 1953 | *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); |
| 1954 | *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); |
| 1955 | return 4; |
| 1956 | case VIDEO_PALETTE_RGB565: |
| 1957 | *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); |
| 1958 | *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); |
| 1959 | *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); |
| 1960 | *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); |
| 1961 | return 4; |
| 1962 | case VIDEO_PALETTE_RGB24: |
| 1963 | if (mmap_kludge) { |
| 1964 | *rgb++ = LIMIT(b+y); |
| 1965 | *rgb++ = LIMIT(g+y); |
| 1966 | *rgb++ = LIMIT(r+y); |
| 1967 | *rgb++ = LIMIT(b+y1); |
| 1968 | *rgb++ = LIMIT(g+y1); |
| 1969 | *rgb = LIMIT(r+y1); |
| 1970 | } else { |
| 1971 | *rgb++ = LIMIT(r+y); |
| 1972 | *rgb++ = LIMIT(g+y); |
| 1973 | *rgb++ = LIMIT(b+y); |
| 1974 | *rgb++ = LIMIT(r+y1); |
| 1975 | *rgb++ = LIMIT(g+y1); |
| 1976 | *rgb = LIMIT(b+y1); |
| 1977 | } |
| 1978 | return 6; |
| 1979 | case VIDEO_PALETTE_RGB32: |
| 1980 | if (mmap_kludge) { |
| 1981 | *rgb++ = LIMIT(b+y); |
| 1982 | *rgb++ = LIMIT(g+y); |
| 1983 | *rgb++ = LIMIT(r+y); |
| 1984 | rgb++; |
| 1985 | *rgb++ = LIMIT(b+y1); |
| 1986 | *rgb++ = LIMIT(g+y1); |
| 1987 | *rgb = LIMIT(r+y1); |
| 1988 | } else { |
| 1989 | *rgb++ = LIMIT(r+y); |
| 1990 | *rgb++ = LIMIT(g+y); |
| 1991 | *rgb++ = LIMIT(b+y); |
| 1992 | rgb++; |
| 1993 | *rgb++ = LIMIT(r+y1); |
| 1994 | *rgb++ = LIMIT(g+y1); |
| 1995 | *rgb = LIMIT(b+y1); |
| 1996 | } |
| 1997 | return 8; |
| 1998 | case VIDEO_PALETTE_GREY: |
| 1999 | *rgb++ = y; |
| 2000 | *rgb = y1; |
| 2001 | return 2; |
| 2002 | case VIDEO_PALETTE_YUV422: |
| 2003 | case VIDEO_PALETTE_YUYV: |
| 2004 | *rgb++ = y; |
| 2005 | *rgb++ = u; |
| 2006 | *rgb++ = y1; |
| 2007 | *rgb = v; |
| 2008 | return 4; |
| 2009 | case VIDEO_PALETTE_UYVY: |
| 2010 | *rgb++ = u; |
| 2011 | *rgb++ = y; |
| 2012 | *rgb++ = v; |
| 2013 | *rgb = y1; |
| 2014 | return 4; |
| 2015 | default: |
| 2016 | DBG("Empty: %d\n", out_fmt); |
| 2017 | return 0; |
| 2018 | } |
| 2019 | } |
| 2020 | |
| 2021 | static int skipcount(int count, int fmt) |
| 2022 | { |
| 2023 | switch(fmt) { |
| 2024 | case VIDEO_PALETTE_GREY: |
| 2025 | return count; |
| 2026 | case VIDEO_PALETTE_RGB555: |
| 2027 | case VIDEO_PALETTE_RGB565: |
| 2028 | case VIDEO_PALETTE_YUV422: |
| 2029 | case VIDEO_PALETTE_YUYV: |
| 2030 | case VIDEO_PALETTE_UYVY: |
| 2031 | return 2*count; |
| 2032 | case VIDEO_PALETTE_RGB24: |
| 2033 | return 3*count; |
| 2034 | case VIDEO_PALETTE_RGB32: |
| 2035 | return 4*count; |
| 2036 | default: |
| 2037 | return 0; |
| 2038 | } |
| 2039 | } |
| 2040 | |
| 2041 | static int parse_picture(struct cam_data *cam, int size) |
| 2042 | { |
| 2043 | u8 *obuf, *ibuf, *end_obuf; |
| 2044 | int ll, in_uyvy, compressed, decimation, even_line, origsize, out_fmt; |
| 2045 | int rows, cols, linesize, subsample_422; |
| 2046 | |
| 2047 | /* make sure params don't change while we are decoding */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2048 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2049 | |
| 2050 | obuf = cam->decompressed_frame.data; |
| 2051 | end_obuf = obuf+CPIA_MAX_FRAME_SIZE; |
| 2052 | ibuf = cam->raw_image; |
| 2053 | origsize = size; |
| 2054 | out_fmt = cam->vp.palette; |
| 2055 | |
| 2056 | if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) { |
| 2057 | LOG("header not found\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2058 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2059 | return -1; |
| 2060 | } |
| 2061 | |
| 2062 | if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) { |
| 2063 | LOG("wrong video size\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2064 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2065 | return -1; |
| 2066 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2067 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2068 | if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) { |
| 2069 | LOG("illegal subtype %d\n",ibuf[17]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2070 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2071 | return -1; |
| 2072 | } |
| 2073 | subsample_422 = ibuf[17] == SUBSAMPLE_422; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2074 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2075 | if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) { |
| 2076 | LOG("illegal yuvorder %d\n",ibuf[18]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2077 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2078 | return -1; |
| 2079 | } |
| 2080 | in_uyvy = ibuf[18] == YUVORDER_UYVY; |
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[24] != cam->params.roi.colStart) || |
| 2083 | (ibuf[25] != cam->params.roi.colEnd) || |
| 2084 | (ibuf[26] != cam->params.roi.rowStart) || |
| 2085 | (ibuf[27] != cam->params.roi.rowEnd)) { |
| 2086 | LOG("ROI mismatch\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2087 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2088 | return -1; |
| 2089 | } |
| 2090 | cols = 8*(ibuf[25] - ibuf[24]); |
| 2091 | rows = 4*(ibuf[27] - ibuf[26]); |
| 2092 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2093 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2094 | if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) { |
| 2095 | LOG("illegal compression %d\n",ibuf[28]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2096 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2097 | return -1; |
| 2098 | } |
| 2099 | compressed = (ibuf[28] == COMPRESSED); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2100 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2101 | if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) { |
| 2102 | LOG("illegal decimation %d\n",ibuf[29]); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2103 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2104 | return -1; |
| 2105 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2106 | decimation = (ibuf[29] == DECIMATION_ENAB); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2107 | |
| 2108 | cam->params.yuvThreshold.yThreshold = ibuf[30]; |
| 2109 | cam->params.yuvThreshold.uvThreshold = ibuf[31]; |
| 2110 | cam->params.status.systemState = ibuf[32]; |
| 2111 | cam->params.status.grabState = ibuf[33]; |
| 2112 | cam->params.status.streamState = ibuf[34]; |
| 2113 | cam->params.status.fatalError = ibuf[35]; |
| 2114 | cam->params.status.cmdError = ibuf[36]; |
| 2115 | cam->params.status.debugFlags = ibuf[37]; |
| 2116 | cam->params.status.vpStatus = ibuf[38]; |
| 2117 | cam->params.status.errorCode = ibuf[39]; |
| 2118 | cam->fps = ibuf[41]; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2119 | mutex_unlock(&cam->param_lock); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2121 | linesize = skipcount(cols, out_fmt); |
| 2122 | ibuf += FRAME_HEADER_SIZE; |
| 2123 | size -= FRAME_HEADER_SIZE; |
| 2124 | ll = ibuf[0] | (ibuf[1] << 8); |
| 2125 | ibuf += 2; |
| 2126 | even_line = 1; |
| 2127 | |
| 2128 | while (size > 0) { |
| 2129 | size -= (ll+2); |
| 2130 | if (size < 0) { |
| 2131 | LOG("Insufficient data in buffer\n"); |
| 2132 | return -1; |
| 2133 | } |
| 2134 | |
| 2135 | while (ll > 1) { |
| 2136 | if (!compressed || (compressed && !(*ibuf & 1))) { |
| 2137 | if(subsample_422 || even_line) { |
| 2138 | obuf += yuvconvert(ibuf, obuf, out_fmt, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2139 | in_uyvy, cam->mmap_kludge); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2140 | ibuf += 4; |
| 2141 | ll -= 4; |
| 2142 | } else { |
| 2143 | /* SUBSAMPLE_420 on an odd line */ |
| 2144 | obuf += convert420(ibuf, obuf, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2145 | out_fmt, linesize, |
| 2146 | cam->mmap_kludge); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2147 | ibuf += 2; |
| 2148 | ll -= 2; |
| 2149 | } |
| 2150 | } else { |
| 2151 | /*skip compressed interval from previous frame*/ |
| 2152 | obuf += skipcount(*ibuf >> 1, out_fmt); |
| 2153 | if (obuf > end_obuf) { |
| 2154 | LOG("Insufficient buffer size\n"); |
| 2155 | return -1; |
| 2156 | } |
| 2157 | ++ibuf; |
| 2158 | ll--; |
| 2159 | } |
| 2160 | } |
| 2161 | if (ll == 1) { |
| 2162 | if (*ibuf != EOL) { |
| 2163 | DBG("EOL not found giving up after %d/%d" |
| 2164 | " bytes\n", origsize-size, origsize); |
| 2165 | return -1; |
| 2166 | } |
| 2167 | |
| 2168 | ++ibuf; /* skip over EOL */ |
| 2169 | |
| 2170 | if ((size > 3) && (ibuf[0] == EOI) && (ibuf[1] == EOI) && |
| 2171 | (ibuf[2] == EOI) && (ibuf[3] == EOI)) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2172 | size -= 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2173 | break; |
| 2174 | } |
| 2175 | |
| 2176 | if(decimation) { |
| 2177 | /* skip the odd lines for now */ |
| 2178 | obuf += linesize; |
| 2179 | } |
| 2180 | |
| 2181 | if (size > 1) { |
| 2182 | ll = ibuf[0] | (ibuf[1] << 8); |
| 2183 | ibuf += 2; /* skip over line length */ |
| 2184 | } |
| 2185 | if(!decimation) |
| 2186 | even_line = !even_line; |
| 2187 | } else { |
| 2188 | LOG("line length was not 1 but %d after %d/%d bytes\n", |
| 2189 | ll, origsize-size, origsize); |
| 2190 | return -1; |
| 2191 | } |
| 2192 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2193 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2194 | if(decimation) { |
| 2195 | /* interpolate odd rows */ |
| 2196 | int i, j; |
| 2197 | u8 *prev, *next; |
| 2198 | prev = cam->decompressed_frame.data; |
| 2199 | obuf = prev+linesize; |
| 2200 | next = obuf+linesize; |
| 2201 | for(i=1; i<rows-1; i+=2) { |
| 2202 | for(j=0; j<linesize; ++j) { |
| 2203 | *obuf++ = ((int)*prev++ + *next++) / 2; |
| 2204 | } |
| 2205 | prev += linesize; |
| 2206 | obuf += linesize; |
| 2207 | next += linesize; |
| 2208 | } |
| 2209 | /* last row is odd, just copy previous row */ |
| 2210 | memcpy(obuf, prev, linesize); |
| 2211 | } |
| 2212 | |
| 2213 | cam->decompressed_frame.count = obuf-cam->decompressed_frame.data; |
| 2214 | |
| 2215 | return cam->decompressed_frame.count; |
| 2216 | } |
| 2217 | |
| 2218 | /* InitStreamCap wrapper to select correct start line */ |
| 2219 | static inline int init_stream_cap(struct cam_data *cam) |
| 2220 | { |
| 2221 | return do_command(cam, CPIA_COMMAND_InitStreamCap, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2222 | 0, cam->params.streamStartLine, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2223 | } |
| 2224 | |
| 2225 | |
| 2226 | /* find_over_exposure |
| 2227 | * Finds a suitable value of OverExposure for use with SetFlickerCtrl |
| 2228 | * Some calculation is required because this value changes with the brightness |
| 2229 | * set with SetColourParameters |
| 2230 | * |
| 2231 | * Parameters: Brightness - last brightness value set with SetColourParameters |
| 2232 | * |
| 2233 | * Returns: OverExposure value to use with SetFlickerCtrl |
| 2234 | */ |
| 2235 | #define FLICKER_MAX_EXPOSURE 250 |
| 2236 | #define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 |
| 2237 | #define FLICKER_BRIGHTNESS_CONSTANT 59 |
| 2238 | static int find_over_exposure(int brightness) |
| 2239 | { |
| 2240 | int MaxAllowableOverExposure, OverExposure; |
| 2241 | |
| 2242 | MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2243 | FLICKER_BRIGHTNESS_CONSTANT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2244 | |
| 2245 | if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) { |
| 2246 | OverExposure = MaxAllowableOverExposure; |
| 2247 | } else { |
| 2248 | OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; |
| 2249 | } |
| 2250 | |
| 2251 | return OverExposure; |
| 2252 | } |
| 2253 | #undef FLICKER_MAX_EXPOSURE |
| 2254 | #undef FLICKER_ALLOWABLE_OVER_EXPOSURE |
| 2255 | #undef FLICKER_BRIGHTNESS_CONSTANT |
| 2256 | |
| 2257 | /* update various camera modes and settings */ |
| 2258 | static void dispatch_commands(struct cam_data *cam) |
| 2259 | { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2260 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2261 | if (cam->cmd_queue==COMMAND_NONE) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2262 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2263 | return; |
| 2264 | } |
| 2265 | DEB_BYTE(cam->cmd_queue); |
| 2266 | DEB_BYTE(cam->cmd_queue>>8); |
| 2267 | if (cam->cmd_queue & COMMAND_SETFORMAT) { |
| 2268 | do_command(cam, CPIA_COMMAND_SetFormat, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2269 | cam->params.format.videoSize, |
| 2270 | cam->params.format.subSample, |
| 2271 | cam->params.format.yuvOrder, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2272 | do_command(cam, CPIA_COMMAND_SetROI, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2273 | cam->params.roi.colStart, cam->params.roi.colEnd, |
| 2274 | cam->params.roi.rowStart, cam->params.roi.rowEnd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2275 | cam->first_frame = 1; |
| 2276 | } |
| 2277 | |
| 2278 | if (cam->cmd_queue & COMMAND_SETCOLOURPARAMS) |
| 2279 | do_command(cam, CPIA_COMMAND_SetColourParams, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2280 | cam->params.colourParams.brightness, |
| 2281 | cam->params.colourParams.contrast, |
| 2282 | cam->params.colourParams.saturation, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2283 | |
| 2284 | if (cam->cmd_queue & COMMAND_SETAPCOR) |
| 2285 | do_command(cam, CPIA_COMMAND_SetApcor, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2286 | cam->params.apcor.gain1, |
| 2287 | cam->params.apcor.gain2, |
| 2288 | cam->params.apcor.gain4, |
| 2289 | cam->params.apcor.gain8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2290 | |
| 2291 | if (cam->cmd_queue & COMMAND_SETVLOFFSET) |
| 2292 | do_command(cam, CPIA_COMMAND_SetVLOffset, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2293 | cam->params.vlOffset.gain1, |
| 2294 | cam->params.vlOffset.gain2, |
| 2295 | cam->params.vlOffset.gain4, |
| 2296 | cam->params.vlOffset.gain8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2297 | |
| 2298 | if (cam->cmd_queue & COMMAND_SETEXPOSURE) { |
| 2299 | do_command_extended(cam, CPIA_COMMAND_SetExposure, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2300 | cam->params.exposure.gainMode, |
| 2301 | 1, |
| 2302 | cam->params.exposure.compMode, |
| 2303 | cam->params.exposure.centreWeight, |
| 2304 | cam->params.exposure.gain, |
| 2305 | cam->params.exposure.fineExp, |
| 2306 | cam->params.exposure.coarseExpLo, |
| 2307 | cam->params.exposure.coarseExpHi, |
| 2308 | cam->params.exposure.redComp, |
| 2309 | cam->params.exposure.green1Comp, |
| 2310 | cam->params.exposure.green2Comp, |
| 2311 | cam->params.exposure.blueComp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2312 | if(cam->params.exposure.expMode != 1) { |
| 2313 | do_command_extended(cam, CPIA_COMMAND_SetExposure, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2314 | 0, |
| 2315 | cam->params.exposure.expMode, |
| 2316 | 0, 0, |
| 2317 | cam->params.exposure.gain, |
| 2318 | cam->params.exposure.fineExp, |
| 2319 | cam->params.exposure.coarseExpLo, |
| 2320 | cam->params.exposure.coarseExpHi, |
| 2321 | 0, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2322 | } |
| 2323 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2324 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2325 | if (cam->cmd_queue & COMMAND_SETCOLOURBALANCE) { |
| 2326 | if (cam->params.colourBalance.balanceMode == 1) { |
| 2327 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2328 | 1, |
| 2329 | cam->params.colourBalance.redGain, |
| 2330 | cam->params.colourBalance.greenGain, |
| 2331 | cam->params.colourBalance.blueGain); |
| 2332 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2333 | 3, 0, 0, 0); |
| 2334 | } |
| 2335 | if (cam->params.colourBalance.balanceMode == 2) { |
| 2336 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2337 | 2, 0, 0, 0); |
| 2338 | } |
| 2339 | if (cam->params.colourBalance.balanceMode == 3) { |
| 2340 | do_command(cam, CPIA_COMMAND_SetColourBalance, |
| 2341 | 3, 0, 0, 0); |
| 2342 | } |
| 2343 | } |
| 2344 | |
| 2345 | if (cam->cmd_queue & COMMAND_SETCOMPRESSIONTARGET) |
| 2346 | do_command(cam, CPIA_COMMAND_SetCompressionTarget, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2347 | cam->params.compressionTarget.frTargeting, |
| 2348 | cam->params.compressionTarget.targetFR, |
| 2349 | cam->params.compressionTarget.targetQ, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2350 | |
| 2351 | if (cam->cmd_queue & COMMAND_SETYUVTHRESH) |
| 2352 | do_command(cam, CPIA_COMMAND_SetYUVThresh, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2353 | cam->params.yuvThreshold.yThreshold, |
| 2354 | cam->params.yuvThreshold.uvThreshold, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2355 | |
| 2356 | if (cam->cmd_queue & COMMAND_SETCOMPRESSIONPARAMS) |
| 2357 | do_command_extended(cam, CPIA_COMMAND_SetCompressionParams, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2358 | 0, 0, 0, 0, |
| 2359 | cam->params.compressionParams.hysteresis, |
| 2360 | cam->params.compressionParams.threshMax, |
| 2361 | cam->params.compressionParams.smallStep, |
| 2362 | cam->params.compressionParams.largeStep, |
| 2363 | cam->params.compressionParams.decimationHysteresis, |
| 2364 | cam->params.compressionParams.frDiffStepThresh, |
| 2365 | cam->params.compressionParams.qDiffStepThresh, |
| 2366 | cam->params.compressionParams.decimationThreshMod); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2367 | |
| 2368 | if (cam->cmd_queue & COMMAND_SETCOMPRESSION) |
| 2369 | do_command(cam, CPIA_COMMAND_SetCompression, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2370 | cam->params.compression.mode, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2371 | cam->params.compression.decimation, 0, 0); |
| 2372 | |
| 2373 | if (cam->cmd_queue & COMMAND_SETSENSORFPS) |
| 2374 | do_command(cam, CPIA_COMMAND_SetSensorFPS, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2375 | cam->params.sensorFps.divisor, |
| 2376 | cam->params.sensorFps.baserate, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2377 | |
| 2378 | if (cam->cmd_queue & COMMAND_SETFLICKERCTRL) |
| 2379 | do_command(cam, CPIA_COMMAND_SetFlickerCtrl, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2380 | cam->params.flickerControl.flickerMode, |
| 2381 | cam->params.flickerControl.coarseJump, |
| 2382 | abs(cam->params.flickerControl.allowableOverExposure), |
| 2383 | 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2384 | |
| 2385 | if (cam->cmd_queue & COMMAND_SETECPTIMING) |
| 2386 | do_command(cam, CPIA_COMMAND_SetECPTiming, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2387 | cam->params.ecpTiming, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2388 | |
| 2389 | if (cam->cmd_queue & COMMAND_PAUSE) |
| 2390 | do_command(cam, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); |
| 2391 | |
| 2392 | if (cam->cmd_queue & COMMAND_RESUME) |
| 2393 | init_stream_cap(cam); |
| 2394 | |
| 2395 | if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected) |
| 2396 | { |
| 2397 | int p1 = (cam->params.qx3.bottomlight == 0) << 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2398 | int p2 = (cam->params.qx3.toplight == 0) << 3; |
| 2399 | do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0); |
| 2400 | do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2401 | } |
| 2402 | |
| 2403 | cam->cmd_queue = COMMAND_NONE; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2404 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2405 | return; |
| 2406 | } |
| 2407 | |
| 2408 | |
| 2409 | |
| 2410 | 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] | 2411 | int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2412 | { |
| 2413 | /* Everything in here is from the Windows driver */ |
| 2414 | #define FIRMWARE_VERSION(x,y) (params->version.firmwareVersion == (x) && \ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2415 | params->version.firmwareRevision == (y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2416 | /* define for compgain calculation */ |
| 2417 | #if 0 |
| 2418 | #define COMPGAIN(base, curexp, newexp) \ |
| 2419 | (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) |
| 2420 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ |
| 2421 | (u16)((float)curexp * (float)(u8)(curcomp + 128) / (float)(u8)(basecomp - 128)) |
| 2422 | #else |
| 2423 | /* equivalent functions without floating point math */ |
| 2424 | #define COMPGAIN(base, curexp, newexp) \ |
| 2425 | (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2* newexp)) ) |
| 2426 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ |
| 2427 | (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) |
| 2428 | #endif |
| 2429 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2430 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2431 | int currentexp = params->exposure.coarseExpLo + |
| 2432 | params->exposure.coarseExpHi*256; |
| 2433 | int startexp; |
| 2434 | if (on) { |
| 2435 | int cj = params->flickerControl.coarseJump; |
| 2436 | params->flickerControl.flickerMode = 1; |
| 2437 | params->flickerControl.disabled = 0; |
| 2438 | if(params->exposure.expMode != 2) |
| 2439 | *command_flags |= COMMAND_SETEXPOSURE; |
| 2440 | params->exposure.expMode = 2; |
| 2441 | currentexp = currentexp << params->exposure.gain; |
| 2442 | params->exposure.gain = 0; |
| 2443 | /* round down current exposure to nearest value */ |
| 2444 | startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; |
| 2445 | if(startexp < 1) |
| 2446 | startexp = 1; |
| 2447 | startexp = (startexp * cj) - 1; |
| 2448 | if(FIRMWARE_VERSION(1,2)) |
| 2449 | while(startexp > MAX_EXP_102) |
| 2450 | startexp -= cj; |
| 2451 | else |
| 2452 | while(startexp > MAX_EXP) |
| 2453 | startexp -= cj; |
| 2454 | params->exposure.coarseExpLo = startexp & 0xff; |
| 2455 | params->exposure.coarseExpHi = startexp >> 8; |
| 2456 | if (currentexp > startexp) { |
| 2457 | if (currentexp > (2 * startexp)) |
| 2458 | currentexp = 2 * startexp; |
| 2459 | params->exposure.redComp = COMPGAIN (COMP_RED, currentexp, startexp); |
| 2460 | params->exposure.green1Comp = COMPGAIN (COMP_GREEN1, currentexp, startexp); |
| 2461 | params->exposure.green2Comp = COMPGAIN (COMP_GREEN2, currentexp, startexp); |
| 2462 | params->exposure.blueComp = COMPGAIN (COMP_BLUE, currentexp, startexp); |
| 2463 | } else { |
| 2464 | params->exposure.redComp = COMP_RED; |
| 2465 | params->exposure.green1Comp = COMP_GREEN1; |
| 2466 | params->exposure.green2Comp = COMP_GREEN2; |
| 2467 | params->exposure.blueComp = COMP_BLUE; |
| 2468 | } |
| 2469 | if(FIRMWARE_VERSION(1,2)) |
| 2470 | params->exposure.compMode = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2471 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2472 | params->exposure.compMode = 1; |
| 2473 | |
| 2474 | params->apcor.gain1 = 0x18; |
| 2475 | params->apcor.gain2 = 0x18; |
| 2476 | params->apcor.gain4 = 0x16; |
| 2477 | params->apcor.gain8 = 0x14; |
| 2478 | *command_flags |= COMMAND_SETAPCOR; |
| 2479 | } else { |
| 2480 | params->flickerControl.flickerMode = 0; |
| 2481 | params->flickerControl.disabled = 1; |
| 2482 | /* Coarse = average of equivalent coarse for each comp channel */ |
| 2483 | startexp = EXP_FROM_COMP(COMP_RED, params->exposure.redComp, currentexp); |
| 2484 | startexp += EXP_FROM_COMP(COMP_GREEN1, params->exposure.green1Comp, currentexp); |
| 2485 | startexp += EXP_FROM_COMP(COMP_GREEN2, params->exposure.green2Comp, currentexp); |
| 2486 | startexp += EXP_FROM_COMP(COMP_BLUE, params->exposure.blueComp, currentexp); |
| 2487 | startexp = startexp >> 2; |
| 2488 | while(startexp > MAX_EXP && |
| 2489 | params->exposure.gain < params->exposure.gainMode-1) { |
| 2490 | startexp = startexp >> 1; |
| 2491 | ++params->exposure.gain; |
| 2492 | } |
| 2493 | if(FIRMWARE_VERSION(1,2) && startexp > MAX_EXP_102) |
| 2494 | startexp = MAX_EXP_102; |
| 2495 | if(startexp > MAX_EXP) |
| 2496 | startexp = MAX_EXP; |
| 2497 | params->exposure.coarseExpLo = startexp&0xff; |
| 2498 | params->exposure.coarseExpHi = startexp >> 8; |
| 2499 | params->exposure.redComp = COMP_RED; |
| 2500 | params->exposure.green1Comp = COMP_GREEN1; |
| 2501 | params->exposure.green2Comp = COMP_GREEN2; |
| 2502 | params->exposure.blueComp = COMP_BLUE; |
| 2503 | params->exposure.compMode = 1; |
| 2504 | *command_flags |= COMMAND_SETEXPOSURE; |
| 2505 | params->apcor.gain1 = 0x18; |
| 2506 | params->apcor.gain2 = 0x16; |
| 2507 | params->apcor.gain4 = 0x24; |
| 2508 | params->apcor.gain8 = 0x34; |
| 2509 | *command_flags |= COMMAND_SETAPCOR; |
| 2510 | } |
| 2511 | params->vlOffset.gain1 = 20; |
| 2512 | params->vlOffset.gain2 = 24; |
| 2513 | params->vlOffset.gain4 = 26; |
| 2514 | params->vlOffset.gain8 = 26; |
| 2515 | *command_flags |= COMMAND_SETVLOFFSET; |
| 2516 | #undef FIRMWARE_VERSION |
| 2517 | #undef EXP_FROM_COMP |
| 2518 | #undef COMPGAIN |
| 2519 | } |
| 2520 | |
| 2521 | #define FIRMWARE_VERSION(x,y) (cam->params.version.firmwareVersion == (x) && \ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2522 | cam->params.version.firmwareRevision == (y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2523 | /* monitor the exposure and adjust the sensor frame rate if needed */ |
| 2524 | static void monitor_exposure(struct cam_data *cam) |
| 2525 | { |
| 2526 | u8 exp_acc, bcomp, gain, coarseL, cmd[8], data[8]; |
| 2527 | int retval, light_exp, dark_exp, very_dark_exp; |
| 2528 | int old_exposure, new_exposure, framerate; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2529 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2530 | /* get necessary stats and register settings from camera */ |
| 2531 | /* do_command can't handle this, so do it ourselves */ |
| 2532 | cmd[0] = CPIA_COMMAND_ReadVPRegs>>8; |
| 2533 | cmd[1] = CPIA_COMMAND_ReadVPRegs&0xff; |
| 2534 | cmd[2] = 30; |
| 2535 | cmd[3] = 4; |
| 2536 | cmd[4] = 9; |
| 2537 | cmd[5] = 8; |
| 2538 | cmd[6] = 8; |
| 2539 | cmd[7] = 0; |
| 2540 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); |
| 2541 | if (retval) { |
| 2542 | LOG("ReadVPRegs(30,4,9,8) - failed, retval=%d\n", |
| 2543 | retval); |
| 2544 | return; |
| 2545 | } |
| 2546 | exp_acc = data[0]; |
| 2547 | bcomp = data[1]; |
| 2548 | gain = data[2]; |
| 2549 | coarseL = data[3]; |
| 2550 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2551 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2552 | light_exp = cam->params.colourParams.brightness + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2553 | TC - 50 + EXP_ACC_LIGHT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2554 | if(light_exp > 255) |
| 2555 | light_exp = 255; |
| 2556 | dark_exp = cam->params.colourParams.brightness + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2557 | TC - 50 - EXP_ACC_DARK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2558 | if(dark_exp < 0) |
| 2559 | dark_exp = 0; |
| 2560 | very_dark_exp = dark_exp/2; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2561 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2562 | old_exposure = cam->params.exposure.coarseExpHi * 256 + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2563 | cam->params.exposure.coarseExpLo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2564 | |
| 2565 | if(!cam->params.flickerControl.disabled) { |
| 2566 | /* Flicker control on */ |
| 2567 | int max_comp = FIRMWARE_VERSION(1,2) ? MAX_COMP : HIGH_COMP_102; |
| 2568 | bcomp += 128; /* decode */ |
| 2569 | if(bcomp >= max_comp && exp_acc < dark_exp) { |
| 2570 | /* dark */ |
| 2571 | if(exp_acc < very_dark_exp) { |
| 2572 | /* very dark */ |
| 2573 | if(cam->exposure_status == EXPOSURE_VERY_DARK) |
| 2574 | ++cam->exposure_count; |
| 2575 | else { |
| 2576 | cam->exposure_status = EXPOSURE_VERY_DARK; |
| 2577 | cam->exposure_count = 1; |
| 2578 | } |
| 2579 | } else { |
| 2580 | /* just dark */ |
| 2581 | if(cam->exposure_status == EXPOSURE_DARK) |
| 2582 | ++cam->exposure_count; |
| 2583 | else { |
| 2584 | cam->exposure_status = EXPOSURE_DARK; |
| 2585 | cam->exposure_count = 1; |
| 2586 | } |
| 2587 | } |
| 2588 | } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { |
| 2589 | /* light */ |
| 2590 | if(old_exposure <= VERY_LOW_EXP) { |
| 2591 | /* very light */ |
| 2592 | if(cam->exposure_status == EXPOSURE_VERY_LIGHT) |
| 2593 | ++cam->exposure_count; |
| 2594 | else { |
| 2595 | cam->exposure_status = EXPOSURE_VERY_LIGHT; |
| 2596 | cam->exposure_count = 1; |
| 2597 | } |
| 2598 | } else { |
| 2599 | /* just light */ |
| 2600 | if(cam->exposure_status == EXPOSURE_LIGHT) |
| 2601 | ++cam->exposure_count; |
| 2602 | else { |
| 2603 | cam->exposure_status = EXPOSURE_LIGHT; |
| 2604 | cam->exposure_count = 1; |
| 2605 | } |
| 2606 | } |
| 2607 | } else { |
| 2608 | /* not dark or light */ |
| 2609 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2610 | } |
| 2611 | } else { |
| 2612 | /* Flicker control off */ |
| 2613 | if(old_exposure >= MAX_EXP && exp_acc < dark_exp) { |
| 2614 | /* dark */ |
| 2615 | if(exp_acc < very_dark_exp) { |
| 2616 | /* very dark */ |
| 2617 | if(cam->exposure_status == EXPOSURE_VERY_DARK) |
| 2618 | ++cam->exposure_count; |
| 2619 | else { |
| 2620 | cam->exposure_status = EXPOSURE_VERY_DARK; |
| 2621 | cam->exposure_count = 1; |
| 2622 | } |
| 2623 | } else { |
| 2624 | /* just dark */ |
| 2625 | if(cam->exposure_status == EXPOSURE_DARK) |
| 2626 | ++cam->exposure_count; |
| 2627 | else { |
| 2628 | cam->exposure_status = EXPOSURE_DARK; |
| 2629 | cam->exposure_count = 1; |
| 2630 | } |
| 2631 | } |
| 2632 | } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { |
| 2633 | /* light */ |
| 2634 | if(old_exposure <= VERY_LOW_EXP) { |
| 2635 | /* very light */ |
| 2636 | if(cam->exposure_status == EXPOSURE_VERY_LIGHT) |
| 2637 | ++cam->exposure_count; |
| 2638 | else { |
| 2639 | cam->exposure_status = EXPOSURE_VERY_LIGHT; |
| 2640 | cam->exposure_count = 1; |
| 2641 | } |
| 2642 | } else { |
| 2643 | /* just light */ |
| 2644 | if(cam->exposure_status == EXPOSURE_LIGHT) |
| 2645 | ++cam->exposure_count; |
| 2646 | else { |
| 2647 | cam->exposure_status = EXPOSURE_LIGHT; |
| 2648 | cam->exposure_count = 1; |
| 2649 | } |
| 2650 | } |
| 2651 | } else { |
| 2652 | /* not dark or light */ |
| 2653 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2654 | } |
| 2655 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2656 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2657 | framerate = cam->fps; |
| 2658 | if(framerate > 30 || framerate < 1) |
| 2659 | framerate = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2660 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2661 | if(!cam->params.flickerControl.disabled) { |
| 2662 | /* Flicker control on */ |
| 2663 | if((cam->exposure_status == EXPOSURE_VERY_DARK || |
| 2664 | cam->exposure_status == EXPOSURE_DARK) && |
| 2665 | cam->exposure_count >= DARK_TIME*framerate && |
| 2666 | cam->params.sensorFps.divisor < 3) { |
| 2667 | |
| 2668 | /* dark for too long */ |
| 2669 | ++cam->params.sensorFps.divisor; |
| 2670 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2671 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2672 | cam->params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2673 | flicker_jumps[cam->mainsFreq] |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2674 | [cam->params.sensorFps.baserate] |
| 2675 | [cam->params.sensorFps.divisor]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2676 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; |
| 2677 | |
| 2678 | new_exposure = cam->params.flickerControl.coarseJump-1; |
| 2679 | while(new_exposure < old_exposure/2) |
| 2680 | new_exposure += cam->params.flickerControl.coarseJump; |
| 2681 | cam->params.exposure.coarseExpLo = new_exposure & 0xff; |
| 2682 | cam->params.exposure.coarseExpHi = new_exposure >> 8; |
| 2683 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2684 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2685 | LOG("Automatically decreasing sensor_fps\n"); |
| 2686 | |
| 2687 | } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || |
| 2688 | cam->exposure_status == EXPOSURE_LIGHT) && |
| 2689 | cam->exposure_count >= LIGHT_TIME*framerate && |
| 2690 | cam->params.sensorFps.divisor > 0) { |
| 2691 | |
| 2692 | /* light for too long */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2693 | int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2694 | |
| 2695 | --cam->params.sensorFps.divisor; |
| 2696 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2697 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2698 | cam->params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2699 | flicker_jumps[cam->mainsFreq] |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2700 | [cam->params.sensorFps.baserate] |
| 2701 | [cam->params.sensorFps.divisor]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2702 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; |
| 2703 | |
| 2704 | new_exposure = cam->params.flickerControl.coarseJump-1; |
| 2705 | while(new_exposure < 2*old_exposure && |
| 2706 | new_exposure+ |
| 2707 | cam->params.flickerControl.coarseJump < max_exp) |
| 2708 | new_exposure += cam->params.flickerControl.coarseJump; |
| 2709 | cam->params.exposure.coarseExpLo = new_exposure & 0xff; |
| 2710 | cam->params.exposure.coarseExpHi = new_exposure >> 8; |
| 2711 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2712 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2713 | LOG("Automatically increasing sensor_fps\n"); |
| 2714 | } |
| 2715 | } else { |
| 2716 | /* Flicker control off */ |
| 2717 | if((cam->exposure_status == EXPOSURE_VERY_DARK || |
| 2718 | cam->exposure_status == EXPOSURE_DARK) && |
| 2719 | cam->exposure_count >= DARK_TIME*framerate && |
| 2720 | cam->params.sensorFps.divisor < 3) { |
| 2721 | |
| 2722 | /* dark for too long */ |
| 2723 | ++cam->params.sensorFps.divisor; |
| 2724 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2725 | |
| 2726 | if(cam->params.exposure.gain > 0) { |
| 2727 | --cam->params.exposure.gain; |
| 2728 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2729 | } |
| 2730 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2731 | LOG("Automatically decreasing sensor_fps\n"); |
| 2732 | |
| 2733 | } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || |
| 2734 | cam->exposure_status == EXPOSURE_LIGHT) && |
| 2735 | cam->exposure_count >= LIGHT_TIME*framerate && |
| 2736 | cam->params.sensorFps.divisor > 0) { |
| 2737 | |
| 2738 | /* light for too long */ |
| 2739 | --cam->params.sensorFps.divisor; |
| 2740 | cam->cmd_queue |= COMMAND_SETSENSORFPS; |
| 2741 | |
| 2742 | if(cam->params.exposure.gain < |
| 2743 | cam->params.exposure.gainMode-1) { |
| 2744 | ++cam->params.exposure.gain; |
| 2745 | cam->cmd_queue |= COMMAND_SETEXPOSURE; |
| 2746 | } |
| 2747 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2748 | LOG("Automatically increasing sensor_fps\n"); |
| 2749 | } |
| 2750 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2751 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2752 | } |
| 2753 | |
| 2754 | /*-----------------------------------------------------------------*/ |
| 2755 | /* if flicker is switched off, this function switches it back on.It checks, |
| 2756 | however, that conditions are suitable before restarting it. |
| 2757 | This should only be called for firmware version 1.2. |
| 2758 | |
| 2759 | It also adjust the colour balance when an exposure step is detected - as |
| 2760 | long as flicker is running |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2761 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2762 | static void restart_flicker(struct cam_data *cam) |
| 2763 | { |
| 2764 | int cam_exposure, old_exp; |
| 2765 | if(!FIRMWARE_VERSION(1,2)) |
| 2766 | return; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2767 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2768 | if(cam->params.flickerControl.flickerMode == 0 || |
| 2769 | cam->raw_image[39] == 0) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2770 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2771 | return; |
| 2772 | } |
| 2773 | cam_exposure = cam->raw_image[39]*2; |
| 2774 | old_exp = cam->params.exposure.coarseExpLo + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2775 | cam->params.exposure.coarseExpHi*256; |
| 2776 | /* |
| 2777 | see how far away camera exposure is from a valid |
| 2778 | flicker exposure value |
| 2779 | */ |
| 2780 | cam_exposure %= cam->params.flickerControl.coarseJump; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2781 | if(!cam->params.flickerControl.disabled && |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2782 | cam_exposure <= cam->params.flickerControl.coarseJump - 3) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2783 | /* Flicker control auto-disabled */ |
| 2784 | cam->params.flickerControl.disabled = 1; |
| 2785 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2786 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2787 | if(cam->params.flickerControl.disabled && |
| 2788 | cam->params.flickerControl.flickerMode && |
| 2789 | old_exp > cam->params.flickerControl.coarseJump + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2790 | ROUND_UP_EXP_FOR_FLICKER) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2791 | /* exposure is now high enough to switch |
| 2792 | flicker control back on */ |
| 2793 | set_flicker(&cam->params, &cam->cmd_queue, 1); |
| 2794 | if((cam->cmd_queue & COMMAND_SETEXPOSURE) && |
| 2795 | cam->params.exposure.expMode == 2) |
| 2796 | cam->exposure_status = EXPOSURE_NORMAL; |
| 2797 | |
| 2798 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 2799 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2800 | } |
| 2801 | #undef FIRMWARE_VERSION |
| 2802 | |
| 2803 | static int clear_stall(struct cam_data *cam) |
| 2804 | { |
| 2805 | /* FIXME: Does this actually work? */ |
| 2806 | LOG("Clearing stall\n"); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2807 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2808 | cam->ops->streamRead(cam->lowlevel_data, cam->raw_image, 0); |
| 2809 | do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); |
| 2810 | return cam->params.status.streamState != STREAM_PAUSED; |
| 2811 | } |
| 2812 | |
| 2813 | /* kernel thread function to read image from camera */ |
| 2814 | static int fetch_frame(void *data) |
| 2815 | { |
| 2816 | int image_size, retry; |
| 2817 | struct cam_data *cam = (struct cam_data *)data; |
| 2818 | unsigned long oldjif, rate, diff; |
| 2819 | |
| 2820 | /* Allow up to two bad images in a row to be read and |
| 2821 | * ignored before an error is reported */ |
| 2822 | for (retry = 0; retry < 3; ++retry) { |
| 2823 | if (retry) |
| 2824 | DBG("retry=%d\n", retry); |
| 2825 | |
| 2826 | if (!cam->ops) |
| 2827 | continue; |
| 2828 | |
| 2829 | /* load first frame always uncompressed */ |
| 2830 | if (cam->first_frame && |
| 2831 | cam->params.compression.mode != CPIA_COMPRESSION_NONE) { |
| 2832 | do_command(cam, CPIA_COMMAND_SetCompression, |
| 2833 | CPIA_COMPRESSION_NONE, |
| 2834 | NO_DECIMATION, 0, 0); |
| 2835 | /* Trial & error - Discarding a frame prevents the |
| 2836 | first frame from having an error in the data. */ |
| 2837 | do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); |
| 2838 | } |
| 2839 | |
| 2840 | /* init camera upload */ |
| 2841 | if (do_command(cam, CPIA_COMMAND_GrabFrame, 0, |
| 2842 | cam->params.streamStartLine, 0, 0)) |
| 2843 | continue; |
| 2844 | |
| 2845 | if (cam->ops->wait_for_stream_ready) { |
| 2846 | /* loop until image ready */ |
| 2847 | int count = 0; |
| 2848 | do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); |
| 2849 | while (cam->params.status.streamState != STREAM_READY) { |
| 2850 | if(++count > READY_TIMEOUT) |
| 2851 | break; |
| 2852 | if(cam->params.status.streamState == |
| 2853 | STREAM_PAUSED) { |
| 2854 | /* Bad news */ |
| 2855 | if(!clear_stall(cam)) |
| 2856 | return -EIO; |
| 2857 | } |
| 2858 | |
| 2859 | cond_resched(); |
| 2860 | |
| 2861 | /* sleep for 10 ms, hopefully ;) */ |
| 2862 | msleep_interruptible(10); |
| 2863 | if (signal_pending(current)) |
| 2864 | return -EINTR; |
| 2865 | |
| 2866 | do_command(cam, CPIA_COMMAND_GetCameraStatus, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2867 | 0, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2868 | } |
| 2869 | if(cam->params.status.streamState != STREAM_READY) { |
| 2870 | continue; |
| 2871 | } |
| 2872 | } |
| 2873 | |
| 2874 | cond_resched(); |
| 2875 | |
| 2876 | /* grab image from camera */ |
| 2877 | oldjif = jiffies; |
| 2878 | image_size = cam->ops->streamRead(cam->lowlevel_data, |
| 2879 | cam->raw_image, 0); |
| 2880 | if (image_size <= 0) { |
| 2881 | DBG("streamRead failed: %d\n", image_size); |
| 2882 | continue; |
| 2883 | } |
| 2884 | |
| 2885 | rate = image_size * HZ / 1024; |
| 2886 | diff = jiffies-oldjif; |
| 2887 | cam->transfer_rate = diff==0 ? rate : rate/diff; |
| 2888 | /* diff==0 ? unlikely but possible */ |
| 2889 | |
| 2890 | /* Switch flicker control back on if it got turned off */ |
| 2891 | restart_flicker(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2892 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2893 | /* If AEC is enabled, monitor the exposure and |
| 2894 | adjust the sensor frame rate if needed */ |
| 2895 | if(cam->params.exposure.expMode == 2) |
| 2896 | monitor_exposure(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2897 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2898 | /* camera idle now so dispatch queued commands */ |
| 2899 | dispatch_commands(cam); |
| 2900 | |
| 2901 | /* Update our knowledge of the camera state */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2902 | do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); |
| 2903 | do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2904 | do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); |
| 2905 | |
| 2906 | /* decompress and convert image to by copying it from |
| 2907 | * raw_image to decompressed_frame |
| 2908 | */ |
| 2909 | |
| 2910 | cond_resched(); |
| 2911 | |
| 2912 | cam->image_size = parse_picture(cam, image_size); |
| 2913 | if (cam->image_size <= 0) { |
| 2914 | DBG("parse_picture failed %d\n", cam->image_size); |
| 2915 | if(cam->params.compression.mode != |
| 2916 | CPIA_COMPRESSION_NONE) { |
| 2917 | /* Compression may not work right if we |
| 2918 | had a bad frame, get the next one |
| 2919 | uncompressed. */ |
| 2920 | cam->first_frame = 1; |
| 2921 | do_command(cam, CPIA_COMMAND_SetGrabMode, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2922 | CPIA_GRAB_SINGLE, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2923 | /* FIXME: Trial & error - need up to 70ms for |
| 2924 | the grab mode change to complete ? */ |
| 2925 | msleep_interruptible(70); |
| 2926 | if (signal_pending(current)) |
| 2927 | return -EINTR; |
| 2928 | } |
| 2929 | } else |
| 2930 | break; |
| 2931 | } |
| 2932 | |
| 2933 | if (retry < 3) { |
| 2934 | /* FIXME: this only works for double buffering */ |
| 2935 | if (cam->frame[cam->curframe].state == FRAME_READY) { |
| 2936 | memcpy(cam->frame[cam->curframe].data, |
| 2937 | cam->decompressed_frame.data, |
| 2938 | cam->decompressed_frame.count); |
| 2939 | cam->frame[cam->curframe].state = FRAME_DONE; |
| 2940 | } else |
| 2941 | cam->decompressed_frame.state = FRAME_DONE; |
| 2942 | |
| 2943 | if (cam->first_frame) { |
| 2944 | cam->first_frame = 0; |
| 2945 | do_command(cam, CPIA_COMMAND_SetCompression, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2946 | cam->params.compression.mode, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2947 | cam->params.compression.decimation, 0, 0); |
| 2948 | |
| 2949 | /* Switch from single-grab to continuous grab */ |
| 2950 | do_command(cam, CPIA_COMMAND_SetGrabMode, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2951 | CPIA_GRAB_CONTINUOUS, 0, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2952 | } |
| 2953 | return 0; |
| 2954 | } |
| 2955 | return -EIO; |
| 2956 | } |
| 2957 | |
| 2958 | static int capture_frame(struct cam_data *cam, struct video_mmap *vm) |
| 2959 | { |
| 2960 | if (!cam->frame_buf) { |
| 2961 | /* we do lazy allocation */ |
| 2962 | int err; |
| 2963 | if ((err = allocate_frame_buf(cam))) |
| 2964 | return err; |
| 2965 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2966 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2967 | cam->curframe = vm->frame; |
| 2968 | cam->frame[cam->curframe].state = FRAME_READY; |
| 2969 | return fetch_frame(cam); |
| 2970 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 2971 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2972 | static int goto_high_power(struct cam_data *cam) |
| 2973 | { |
| 2974 | if (do_command(cam, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0)) |
| 2975 | return -EIO; |
| 2976 | msleep_interruptible(40); /* windows driver does it too */ |
| 2977 | if(signal_pending(current)) |
| 2978 | return -EINTR; |
| 2979 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) |
| 2980 | return -EIO; |
| 2981 | if (cam->params.status.systemState == HI_POWER_STATE) { |
| 2982 | DBG("camera now in HIGH power state\n"); |
| 2983 | return 0; |
| 2984 | } |
| 2985 | printstatus(cam); |
| 2986 | return -EIO; |
| 2987 | } |
| 2988 | |
| 2989 | static int goto_low_power(struct cam_data *cam) |
| 2990 | { |
| 2991 | if (do_command(cam, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0)) |
| 2992 | return -1; |
| 2993 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) |
| 2994 | return -1; |
| 2995 | if (cam->params.status.systemState == LO_POWER_STATE) { |
| 2996 | DBG("camera now in LOW power state\n"); |
| 2997 | return 0; |
| 2998 | } |
| 2999 | printstatus(cam); |
| 3000 | return -1; |
| 3001 | } |
| 3002 | |
| 3003 | static void save_camera_state(struct cam_data *cam) |
| 3004 | { |
| 3005 | if(!(cam->cmd_queue & COMMAND_SETCOLOURBALANCE)) |
| 3006 | do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); |
| 3007 | if(!(cam->cmd_queue & COMMAND_SETEXPOSURE)) |
| 3008 | do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); |
| 3009 | |
| 3010 | DBG("%d/%d/%d/%d/%d/%d/%d/%d\n", |
| 3011 | cam->params.exposure.gain, |
| 3012 | cam->params.exposure.fineExp, |
| 3013 | cam->params.exposure.coarseExpLo, |
| 3014 | cam->params.exposure.coarseExpHi, |
| 3015 | cam->params.exposure.redComp, |
| 3016 | cam->params.exposure.green1Comp, |
| 3017 | cam->params.exposure.green2Comp, |
| 3018 | cam->params.exposure.blueComp); |
| 3019 | DBG("%d/%d/%d\n", |
| 3020 | cam->params.colourBalance.redGain, |
| 3021 | cam->params.colourBalance.greenGain, |
| 3022 | cam->params.colourBalance.blueGain); |
| 3023 | } |
| 3024 | |
| 3025 | static int set_camera_state(struct cam_data *cam) |
| 3026 | { |
| 3027 | cam->cmd_queue = COMMAND_SETCOMPRESSION | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3028 | COMMAND_SETCOMPRESSIONTARGET | |
| 3029 | COMMAND_SETCOLOURPARAMS | |
| 3030 | COMMAND_SETFORMAT | |
| 3031 | COMMAND_SETYUVTHRESH | |
| 3032 | COMMAND_SETECPTIMING | |
| 3033 | COMMAND_SETCOMPRESSIONPARAMS | |
| 3034 | COMMAND_SETEXPOSURE | |
| 3035 | COMMAND_SETCOLOURBALANCE | |
| 3036 | COMMAND_SETSENSORFPS | |
| 3037 | COMMAND_SETAPCOR | |
| 3038 | COMMAND_SETFLICKERCTRL | |
| 3039 | COMMAND_SETVLOFFSET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3040 | |
| 3041 | do_command(cam, CPIA_COMMAND_SetGrabMode, CPIA_GRAB_SINGLE,0,0,0); |
| 3042 | dispatch_commands(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3043 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3044 | /* Wait 6 frames for the sensor to get all settings and |
| 3045 | AEC/ACB to settle */ |
| 3046 | msleep_interruptible(6*(cam->params.sensorFps.baserate ? 33 : 40) * |
| 3047 | (1 << cam->params.sensorFps.divisor) + 10); |
| 3048 | |
| 3049 | if(signal_pending(current)) |
| 3050 | return -EINTR; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3051 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3052 | save_camera_state(cam); |
| 3053 | |
| 3054 | return 0; |
| 3055 | } |
| 3056 | |
| 3057 | static void get_version_information(struct cam_data *cam) |
| 3058 | { |
| 3059 | /* GetCPIAVersion */ |
| 3060 | do_command(cam, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); |
| 3061 | |
| 3062 | /* GetPnPID */ |
| 3063 | do_command(cam, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); |
| 3064 | } |
| 3065 | |
| 3066 | /* initialize camera */ |
| 3067 | static int reset_camera(struct cam_data *cam) |
| 3068 | { |
| 3069 | int err; |
| 3070 | /* Start the camera in low power mode */ |
| 3071 | if (goto_low_power(cam)) { |
| 3072 | if (cam->params.status.systemState != WARM_BOOT_STATE) |
| 3073 | return -ENODEV; |
| 3074 | |
| 3075 | /* FIXME: this is just dirty trial and error */ |
| 3076 | err = goto_high_power(cam); |
| 3077 | if(err) |
| 3078 | return err; |
| 3079 | do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); |
| 3080 | if (goto_low_power(cam)) |
| 3081 | return -ENODEV; |
| 3082 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3083 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3084 | /* procedure described in developer's guide p3-28 */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3085 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3086 | /* Check the firmware version. */ |
| 3087 | cam->params.version.firmwareVersion = 0; |
| 3088 | get_version_information(cam); |
| 3089 | if (cam->params.version.firmwareVersion != 1) |
| 3090 | return -ENODEV; |
| 3091 | |
| 3092 | /* A bug in firmware 1-02 limits gainMode to 2 */ |
| 3093 | if(cam->params.version.firmwareRevision <= 2 && |
| 3094 | cam->params.exposure.gainMode > 2) { |
| 3095 | cam->params.exposure.gainMode = 2; |
| 3096 | } |
| 3097 | |
| 3098 | /* set QX3 detected flag */ |
| 3099 | cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 && |
| 3100 | cam->params.pnpID.product == 0x0001); |
| 3101 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3102 | /* The fatal error checking should be done after |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3103 | * the camera powers up (developer's guide p 3-38) */ |
| 3104 | |
| 3105 | /* Set streamState before transition to high power to avoid bug |
| 3106 | * in firmware 1-02 */ |
| 3107 | do_command(cam, CPIA_COMMAND_ModifyCameraStatus, STREAMSTATE, 0, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3108 | STREAM_NOT_READY, 0); |
| 3109 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3110 | /* GotoHiPower */ |
| 3111 | err = goto_high_power(cam); |
| 3112 | if (err) |
| 3113 | return err; |
| 3114 | |
| 3115 | /* Check the camera status */ |
| 3116 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) |
| 3117 | return -EIO; |
| 3118 | |
| 3119 | if (cam->params.status.fatalError) { |
| 3120 | DBG("fatal_error: %#04x\n", |
| 3121 | cam->params.status.fatalError); |
| 3122 | DBG("vp_status: %#04x\n", |
| 3123 | cam->params.status.vpStatus); |
| 3124 | if (cam->params.status.fatalError & ~(COM_FLAG|CPIA_FLAG)) { |
| 3125 | /* Fatal error in camera */ |
| 3126 | return -EIO; |
| 3127 | } else if (cam->params.status.fatalError & (COM_FLAG|CPIA_FLAG)) { |
| 3128 | /* Firmware 1-02 may do this for parallel port cameras, |
| 3129 | * just clear the flags (developer's guide p 3-38) */ |
| 3130 | do_command(cam, CPIA_COMMAND_ModifyCameraStatus, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3131 | FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3132 | } |
| 3133 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3134 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3135 | /* Check the camera status again */ |
| 3136 | if (cam->params.status.fatalError) { |
| 3137 | if (cam->params.status.fatalError) |
| 3138 | return -EIO; |
| 3139 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3140 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3141 | /* VPVersion can't be retrieved before the camera is in HiPower, |
| 3142 | * so get it here instead of in get_version_information. */ |
| 3143 | do_command(cam, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); |
| 3144 | |
| 3145 | /* set camera to a known state */ |
| 3146 | return set_camera_state(cam); |
| 3147 | } |
| 3148 | |
| 3149 | static void put_cam(struct cpia_camera_ops* ops) |
| 3150 | { |
Mariusz Kozlowski | ac32898 | 2007-01-07 10:36:24 -0300 | [diff] [blame] | 3151 | module_put(ops->owner); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3152 | } |
| 3153 | |
| 3154 | /* ------------------------- V4L interface --------------------- */ |
| 3155 | static int cpia_open(struct inode *inode, struct file *file) |
| 3156 | { |
| 3157 | struct video_device *dev = video_devdata(file); |
Hans Verkuil | 601e944 | 2008-08-23 07:24:07 -0300 | [diff] [blame^] | 3158 | struct cam_data *cam = video_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3159 | int err; |
| 3160 | |
| 3161 | if (!cam) { |
| 3162 | DBG("Internal error, cam_data not found!\n"); |
| 3163 | return -ENODEV; |
| 3164 | } |
| 3165 | |
| 3166 | if (cam->open_count > 0) { |
| 3167 | DBG("Camera already open\n"); |
| 3168 | return -EBUSY; |
| 3169 | } |
| 3170 | |
| 3171 | if (!try_module_get(cam->ops->owner)) |
| 3172 | return -ENODEV; |
| 3173 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3174 | mutex_lock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3175 | err = -ENOMEM; |
| 3176 | if (!cam->raw_image) { |
| 3177 | cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE); |
| 3178 | if (!cam->raw_image) |
| 3179 | goto oops; |
| 3180 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3181 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3182 | if (!cam->decompressed_frame.data) { |
| 3183 | cam->decompressed_frame.data = rvmalloc(CPIA_MAX_FRAME_SIZE); |
| 3184 | if (!cam->decompressed_frame.data) |
| 3185 | goto oops; |
| 3186 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3187 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3188 | /* open cpia */ |
| 3189 | err = -ENODEV; |
| 3190 | if (cam->ops->open(cam->lowlevel_data)) |
| 3191 | goto oops; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3192 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3193 | /* reset the camera */ |
| 3194 | if ((err = reset_camera(cam)) != 0) { |
| 3195 | cam->ops->close(cam->lowlevel_data); |
| 3196 | goto oops; |
| 3197 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3198 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3199 | err = -EINTR; |
| 3200 | if(signal_pending(current)) |
| 3201 | goto oops; |
| 3202 | |
| 3203 | /* Set ownership of /proc/cpia/videoX to current user */ |
| 3204 | if(cam->proc_entry) |
| 3205 | cam->proc_entry->uid = current->uid; |
| 3206 | |
| 3207 | /* set mark for loading first frame uncompressed */ |
| 3208 | cam->first_frame = 1; |
| 3209 | |
| 3210 | /* init it to something */ |
| 3211 | cam->mmap_kludge = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3212 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3213 | ++cam->open_count; |
| 3214 | file->private_data = dev; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3215 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3216 | return 0; |
| 3217 | |
| 3218 | oops: |
| 3219 | if (cam->decompressed_frame.data) { |
| 3220 | rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); |
| 3221 | cam->decompressed_frame.data = NULL; |
| 3222 | } |
| 3223 | if (cam->raw_image) { |
| 3224 | rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); |
| 3225 | cam->raw_image = NULL; |
| 3226 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3227 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3228 | put_cam(cam->ops); |
| 3229 | return err; |
| 3230 | } |
| 3231 | |
| 3232 | static int cpia_close(struct inode *inode, struct file *file) |
| 3233 | { |
| 3234 | struct video_device *dev = file->private_data; |
Hans Verkuil | 601e944 | 2008-08-23 07:24:07 -0300 | [diff] [blame^] | 3235 | struct cam_data *cam = video_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3236 | |
| 3237 | if (cam->ops) { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3238 | /* Return ownership of /proc/cpia/videoX to root */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3239 | if(cam->proc_entry) |
| 3240 | cam->proc_entry->uid = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3241 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3242 | /* save camera state for later open (developers guide ch 3.5.3) */ |
| 3243 | save_camera_state(cam); |
| 3244 | |
| 3245 | /* GotoLoPower */ |
| 3246 | goto_low_power(cam); |
| 3247 | |
| 3248 | /* Update the camera status */ |
| 3249 | do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); |
| 3250 | |
| 3251 | /* cleanup internal state stuff */ |
| 3252 | free_frames(cam->frame); |
| 3253 | |
| 3254 | /* close cpia */ |
| 3255 | cam->ops->close(cam->lowlevel_data); |
| 3256 | |
| 3257 | put_cam(cam->ops); |
| 3258 | } |
| 3259 | |
| 3260 | if (--cam->open_count == 0) { |
| 3261 | /* clean up capture-buffers */ |
| 3262 | if (cam->raw_image) { |
| 3263 | rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); |
| 3264 | cam->raw_image = NULL; |
| 3265 | } |
| 3266 | |
| 3267 | if (cam->decompressed_frame.data) { |
| 3268 | rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); |
| 3269 | cam->decompressed_frame.data = NULL; |
| 3270 | } |
| 3271 | |
| 3272 | if (cam->frame_buf) |
| 3273 | free_frame_buf(cam); |
| 3274 | |
| 3275 | if (!cam->ops) |
| 3276 | kfree(cam); |
| 3277 | } |
| 3278 | file->private_data = NULL; |
| 3279 | |
| 3280 | return 0; |
| 3281 | } |
| 3282 | |
| 3283 | static ssize_t cpia_read(struct file *file, char __user *buf, |
| 3284 | size_t count, loff_t *ppos) |
| 3285 | { |
| 3286 | struct video_device *dev = file->private_data; |
Hans Verkuil | 601e944 | 2008-08-23 07:24:07 -0300 | [diff] [blame^] | 3287 | struct cam_data *cam = video_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3288 | int err; |
| 3289 | |
| 3290 | /* make this _really_ smp and multithread-safe */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3291 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3292 | return -EINTR; |
| 3293 | |
| 3294 | if (!buf) { |
| 3295 | DBG("buf NULL\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3296 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3297 | return -EINVAL; |
| 3298 | } |
| 3299 | |
| 3300 | if (!count) { |
| 3301 | DBG("count 0\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3302 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3303 | return 0; |
| 3304 | } |
| 3305 | |
| 3306 | if (!cam->ops) { |
| 3307 | DBG("ops NULL\n"); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3308 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3309 | return -ENODEV; |
| 3310 | } |
| 3311 | |
| 3312 | /* upload frame */ |
| 3313 | cam->decompressed_frame.state = FRAME_READY; |
| 3314 | cam->mmap_kludge=0; |
| 3315 | if((err = fetch_frame(cam)) != 0) { |
| 3316 | DBG("ERROR from fetch_frame: %d\n", err); |
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 err; |
| 3319 | } |
| 3320 | cam->decompressed_frame.state = FRAME_UNUSED; |
| 3321 | |
| 3322 | /* copy data to user space */ |
| 3323 | if (cam->decompressed_frame.count > count) { |
| 3324 | DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count, |
| 3325 | (unsigned long) count); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3326 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3327 | return -EFAULT; |
| 3328 | } |
| 3329 | if (copy_to_user(buf, cam->decompressed_frame.data, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3330 | cam->decompressed_frame.count)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3331 | DBG("copy_to_user failed\n"); |
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 -EFAULT; |
| 3334 | } |
| 3335 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3336 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3337 | return cam->decompressed_frame.count; |
| 3338 | } |
| 3339 | |
| 3340 | static int cpia_do_ioctl(struct inode *inode, struct file *file, |
| 3341 | unsigned int ioctlnr, void *arg) |
| 3342 | { |
| 3343 | struct video_device *dev = file->private_data; |
Hans Verkuil | 601e944 | 2008-08-23 07:24:07 -0300 | [diff] [blame^] | 3344 | struct cam_data *cam = video_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3345 | int retval = 0; |
| 3346 | |
| 3347 | if (!cam || !cam->ops) |
| 3348 | return -ENODEV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3350 | /* make this _really_ smp-safe */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3351 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3352 | return -EINTR; |
| 3353 | |
| 3354 | //DBG("cpia_ioctl: %u\n", ioctlnr); |
| 3355 | |
| 3356 | switch (ioctlnr) { |
Alexey Dobriyan | be787ac | 2006-03-07 22:20:23 -0300 | [diff] [blame] | 3357 | /* query capabilities */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3358 | case VIDIOCGCAP: |
| 3359 | { |
| 3360 | struct video_capability *b = arg; |
| 3361 | |
| 3362 | DBG("VIDIOCGCAP\n"); |
| 3363 | strcpy(b->name, "CPiA Camera"); |
| 3364 | b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE; |
| 3365 | b->channels = 1; |
| 3366 | b->audios = 0; |
| 3367 | b->maxwidth = 352; /* VIDEOSIZE_CIF */ |
| 3368 | b->maxheight = 288; |
| 3369 | b->minwidth = 48; /* VIDEOSIZE_48_48 */ |
| 3370 | b->minheight = 48; |
| 3371 | break; |
| 3372 | } |
| 3373 | |
| 3374 | /* get/set video source - we are a camera and nothing else */ |
| 3375 | case VIDIOCGCHAN: |
| 3376 | { |
| 3377 | struct video_channel *v = arg; |
| 3378 | |
| 3379 | DBG("VIDIOCGCHAN\n"); |
| 3380 | if (v->channel != 0) { |
| 3381 | retval = -EINVAL; |
| 3382 | break; |
| 3383 | } |
| 3384 | |
| 3385 | v->channel = 0; |
| 3386 | strcpy(v->name, "Camera"); |
| 3387 | v->tuners = 0; |
| 3388 | v->flags = 0; |
| 3389 | v->type = VIDEO_TYPE_CAMERA; |
| 3390 | v->norm = 0; |
| 3391 | break; |
| 3392 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3393 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3394 | case VIDIOCSCHAN: |
| 3395 | { |
| 3396 | struct video_channel *v = arg; |
| 3397 | |
| 3398 | DBG("VIDIOCSCHAN\n"); |
| 3399 | if (v->channel != 0) |
| 3400 | retval = -EINVAL; |
| 3401 | break; |
| 3402 | } |
| 3403 | |
| 3404 | /* image properties */ |
| 3405 | case VIDIOCGPICT: |
| 3406 | { |
| 3407 | struct video_picture *pic = arg; |
| 3408 | DBG("VIDIOCGPICT\n"); |
| 3409 | *pic = cam->vp; |
| 3410 | break; |
| 3411 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3412 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3413 | case VIDIOCSPICT: |
| 3414 | { |
| 3415 | struct video_picture *vp = arg; |
| 3416 | |
| 3417 | DBG("VIDIOCSPICT\n"); |
| 3418 | |
| 3419 | /* check validity */ |
| 3420 | DBG("palette: %d\n", vp->palette); |
| 3421 | DBG("depth: %d\n", vp->depth); |
| 3422 | if (!valid_mode(vp->palette, vp->depth)) { |
| 3423 | retval = -EINVAL; |
| 3424 | break; |
| 3425 | } |
| 3426 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3427 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3428 | /* brightness, colour, contrast need no check 0-65535 */ |
| 3429 | cam->vp = *vp; |
| 3430 | /* update cam->params.colourParams */ |
| 3431 | cam->params.colourParams.brightness = vp->brightness*100/65535; |
| 3432 | cam->params.colourParams.contrast = vp->contrast*100/65535; |
| 3433 | cam->params.colourParams.saturation = vp->colour*100/65535; |
| 3434 | /* contrast is in steps of 8, so round */ |
| 3435 | cam->params.colourParams.contrast = |
| 3436 | ((cam->params.colourParams.contrast + 3) / 8) * 8; |
| 3437 | if (cam->params.version.firmwareVersion == 1 && |
| 3438 | cam->params.version.firmwareRevision == 2 && |
| 3439 | cam->params.colourParams.contrast > 80) { |
| 3440 | /* 1-02 firmware limits contrast to 80 */ |
| 3441 | cam->params.colourParams.contrast = 80; |
| 3442 | } |
| 3443 | |
| 3444 | /* Adjust flicker control if necessary */ |
| 3445 | if(cam->params.flickerControl.allowableOverExposure < 0) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3446 | cam->params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3447 | -find_over_exposure(cam->params.colourParams.brightness); |
| 3448 | if(cam->params.flickerControl.flickerMode != 0) |
| 3449 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3450 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3451 | |
| 3452 | /* queue command to update camera */ |
| 3453 | cam->cmd_queue |= COMMAND_SETCOLOURPARAMS; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3454 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3455 | DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n", |
| 3456 | vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour, |
| 3457 | vp->contrast); |
| 3458 | break; |
| 3459 | } |
| 3460 | |
| 3461 | /* get/set capture window */ |
| 3462 | case VIDIOCGWIN: |
| 3463 | { |
| 3464 | struct video_window *vw = arg; |
| 3465 | DBG("VIDIOCGWIN\n"); |
| 3466 | |
| 3467 | *vw = cam->vw; |
| 3468 | break; |
| 3469 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3470 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3471 | case VIDIOCSWIN: |
| 3472 | { |
| 3473 | /* copy_from_user, check validity, copy to internal structure */ |
| 3474 | struct video_window *vw = arg; |
| 3475 | DBG("VIDIOCSWIN\n"); |
| 3476 | |
| 3477 | if (vw->clipcount != 0) { /* clipping not supported */ |
| 3478 | retval = -EINVAL; |
| 3479 | break; |
| 3480 | } |
| 3481 | if (vw->clips != NULL) { /* clipping not supported */ |
| 3482 | retval = -EINVAL; |
| 3483 | break; |
| 3484 | } |
| 3485 | |
| 3486 | /* we set the video window to something smaller or equal to what |
| 3487 | * is requested by the user??? |
| 3488 | */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3489 | mutex_lock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3490 | if (vw->width != cam->vw.width || vw->height != cam->vw.height) { |
| 3491 | int video_size = match_videosize(vw->width, vw->height); |
| 3492 | |
| 3493 | if (video_size < 0) { |
| 3494 | retval = -EINVAL; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3495 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3496 | break; |
| 3497 | } |
| 3498 | cam->video_size = video_size; |
| 3499 | |
| 3500 | /* video size is changing, reset the subcapture area */ |
| 3501 | memset(&cam->vc, 0, sizeof(cam->vc)); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3502 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3503 | set_vw_size(cam); |
| 3504 | DBG("%d / %d\n", cam->vw.width, cam->vw.height); |
| 3505 | cam->cmd_queue |= COMMAND_SETFORMAT; |
| 3506 | } |
| 3507 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3508 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3509 | |
| 3510 | /* setformat ignored by camera during streaming, |
| 3511 | * so stop/dispatch/start */ |
| 3512 | if (cam->cmd_queue & COMMAND_SETFORMAT) { |
| 3513 | DBG("\n"); |
| 3514 | dispatch_commands(cam); |
| 3515 | } |
| 3516 | DBG("%d/%d:%d\n", cam->video_size, |
| 3517 | cam->vw.width, cam->vw.height); |
| 3518 | break; |
| 3519 | } |
| 3520 | |
| 3521 | /* mmap interface */ |
| 3522 | case VIDIOCGMBUF: |
| 3523 | { |
| 3524 | struct video_mbuf *vm = arg; |
| 3525 | int i; |
| 3526 | |
| 3527 | DBG("VIDIOCGMBUF\n"); |
| 3528 | memset(vm, 0, sizeof(*vm)); |
| 3529 | vm->size = CPIA_MAX_FRAME_SIZE*FRAME_NUM; |
| 3530 | vm->frames = FRAME_NUM; |
| 3531 | for (i = 0; i < FRAME_NUM; i++) |
| 3532 | vm->offsets[i] = CPIA_MAX_FRAME_SIZE * i; |
| 3533 | break; |
| 3534 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3535 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3536 | case VIDIOCMCAPTURE: |
| 3537 | { |
| 3538 | struct video_mmap *vm = arg; |
| 3539 | int video_size; |
| 3540 | |
| 3541 | DBG("VIDIOCMCAPTURE: %d / %d / %dx%d\n", vm->format, vm->frame, |
| 3542 | vm->width, vm->height); |
| 3543 | if (vm->frame<0||vm->frame>=FRAME_NUM) { |
| 3544 | retval = -EINVAL; |
| 3545 | break; |
| 3546 | } |
| 3547 | |
| 3548 | /* set video format */ |
| 3549 | cam->vp.palette = vm->format; |
| 3550 | switch(vm->format) { |
| 3551 | case VIDEO_PALETTE_GREY: |
| 3552 | cam->vp.depth=8; |
| 3553 | break; |
| 3554 | case VIDEO_PALETTE_RGB555: |
| 3555 | case VIDEO_PALETTE_RGB565: |
| 3556 | case VIDEO_PALETTE_YUV422: |
| 3557 | case VIDEO_PALETTE_YUYV: |
| 3558 | case VIDEO_PALETTE_UYVY: |
| 3559 | cam->vp.depth = 16; |
| 3560 | break; |
| 3561 | case VIDEO_PALETTE_RGB24: |
| 3562 | cam->vp.depth = 24; |
| 3563 | break; |
| 3564 | case VIDEO_PALETTE_RGB32: |
| 3565 | cam->vp.depth = 32; |
| 3566 | break; |
| 3567 | default: |
| 3568 | retval = -EINVAL; |
| 3569 | break; |
| 3570 | } |
| 3571 | if (retval) |
| 3572 | break; |
| 3573 | |
| 3574 | /* set video size */ |
| 3575 | video_size = match_videosize(vm->width, vm->height); |
| 3576 | if (video_size < 0) { |
| 3577 | retval = -EINVAL; |
| 3578 | break; |
| 3579 | } |
| 3580 | if (video_size != cam->video_size) { |
| 3581 | cam->video_size = video_size; |
| 3582 | |
| 3583 | /* video size is changing, reset the subcapture area */ |
| 3584 | memset(&cam->vc, 0, sizeof(cam->vc)); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3585 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3586 | set_vw_size(cam); |
| 3587 | cam->cmd_queue |= COMMAND_SETFORMAT; |
| 3588 | dispatch_commands(cam); |
| 3589 | } |
| 3590 | /* according to v4l-spec we must start streaming here */ |
| 3591 | cam->mmap_kludge = 1; |
| 3592 | retval = capture_frame(cam, vm); |
| 3593 | |
| 3594 | break; |
| 3595 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3596 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3597 | case VIDIOCSYNC: |
| 3598 | { |
| 3599 | int *frame = arg; |
| 3600 | |
| 3601 | //DBG("VIDIOCSYNC: %d\n", *frame); |
| 3602 | |
| 3603 | if (*frame<0 || *frame >= FRAME_NUM) { |
| 3604 | retval = -EINVAL; |
| 3605 | break; |
| 3606 | } |
| 3607 | |
| 3608 | switch (cam->frame[*frame].state) { |
| 3609 | case FRAME_UNUSED: |
| 3610 | case FRAME_READY: |
| 3611 | case FRAME_GRABBING: |
| 3612 | DBG("sync to unused frame %d\n", *frame); |
| 3613 | retval = -EINVAL; |
| 3614 | break; |
| 3615 | |
| 3616 | case FRAME_DONE: |
| 3617 | cam->frame[*frame].state = FRAME_UNUSED; |
| 3618 | //DBG("VIDIOCSYNC: %d synced\n", *frame); |
| 3619 | break; |
| 3620 | } |
| 3621 | if (retval == -EINTR) { |
| 3622 | /* FIXME - xawtv does not handle this nice */ |
| 3623 | retval = 0; |
| 3624 | } |
| 3625 | break; |
| 3626 | } |
| 3627 | |
| 3628 | case VIDIOCGCAPTURE: |
| 3629 | { |
| 3630 | struct video_capture *vc = arg; |
| 3631 | |
| 3632 | DBG("VIDIOCGCAPTURE\n"); |
| 3633 | |
| 3634 | *vc = cam->vc; |
| 3635 | |
| 3636 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3637 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3638 | |
| 3639 | case VIDIOCSCAPTURE: |
| 3640 | { |
| 3641 | struct video_capture *vc = arg; |
| 3642 | |
| 3643 | DBG("VIDIOCSCAPTURE\n"); |
| 3644 | |
| 3645 | if (vc->decimation != 0) { /* How should this be used? */ |
| 3646 | retval = -EINVAL; |
| 3647 | break; |
| 3648 | } |
| 3649 | if (vc->flags != 0) { /* Even/odd grab not supported */ |
| 3650 | retval = -EINVAL; |
| 3651 | break; |
| 3652 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3653 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3654 | /* Clip to the resolution we can set for the ROI |
| 3655 | (every 8 columns and 4 rows) */ |
| 3656 | vc->x = vc->x & ~(__u32)7; |
| 3657 | vc->y = vc->y & ~(__u32)3; |
| 3658 | vc->width = vc->width & ~(__u32)7; |
| 3659 | vc->height = vc->height & ~(__u32)3; |
| 3660 | |
| 3661 | if(vc->width == 0 || vc->height == 0 || |
| 3662 | vc->x + vc->width > cam->vw.width || |
| 3663 | vc->y + vc->height > cam->vw.height) { |
| 3664 | retval = -EINVAL; |
| 3665 | break; |
| 3666 | } |
| 3667 | |
| 3668 | DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3669 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3670 | mutex_lock(&cam->param_lock); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3671 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3672 | cam->vc.x = vc->x; |
| 3673 | cam->vc.y = vc->y; |
| 3674 | cam->vc.width = vc->width; |
| 3675 | cam->vc.height = vc->height; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3676 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3677 | set_vw_size(cam); |
| 3678 | cam->cmd_queue |= COMMAND_SETFORMAT; |
| 3679 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3680 | mutex_unlock(&cam->param_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3681 | |
| 3682 | /* setformat ignored by camera during streaming, |
| 3683 | * so stop/dispatch/start */ |
| 3684 | dispatch_commands(cam); |
| 3685 | break; |
| 3686 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3687 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3688 | case VIDIOCGUNIT: |
| 3689 | { |
| 3690 | struct video_unit *vu = arg; |
| 3691 | |
| 3692 | DBG("VIDIOCGUNIT\n"); |
| 3693 | |
| 3694 | vu->video = cam->vdev.minor; |
| 3695 | vu->vbi = VIDEO_NO_UNIT; |
| 3696 | vu->radio = VIDEO_NO_UNIT; |
| 3697 | vu->audio = VIDEO_NO_UNIT; |
| 3698 | vu->teletext = VIDEO_NO_UNIT; |
| 3699 | |
| 3700 | break; |
| 3701 | } |
| 3702 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3703 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3704 | /* pointless to implement overlay with this camera */ |
| 3705 | case VIDIOCCAPTURE: |
| 3706 | case VIDIOCGFBUF: |
| 3707 | case VIDIOCSFBUF: |
| 3708 | case VIDIOCKEY: |
| 3709 | /* tuner interface - we have none */ |
| 3710 | case VIDIOCGTUNER: |
| 3711 | case VIDIOCSTUNER: |
| 3712 | case VIDIOCGFREQ: |
| 3713 | case VIDIOCSFREQ: |
| 3714 | /* audio interface - we have none */ |
| 3715 | case VIDIOCGAUDIO: |
| 3716 | case VIDIOCSAUDIO: |
| 3717 | retval = -EINVAL; |
| 3718 | break; |
| 3719 | default: |
| 3720 | retval = -ENOIOCTLCMD; |
| 3721 | break; |
| 3722 | } |
| 3723 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3724 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3725 | return retval; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3726 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3727 | |
| 3728 | static int cpia_ioctl(struct inode *inode, struct file *file, |
| 3729 | unsigned int cmd, unsigned long arg) |
| 3730 | { |
| 3731 | return video_usercopy(inode, file, cmd, arg, cpia_do_ioctl); |
| 3732 | } |
| 3733 | |
| 3734 | |
| 3735 | /* FIXME */ |
| 3736 | static int cpia_mmap(struct file *file, struct vm_area_struct *vma) |
| 3737 | { |
| 3738 | struct video_device *dev = file->private_data; |
| 3739 | unsigned long start = vma->vm_start; |
| 3740 | unsigned long size = vma->vm_end - vma->vm_start; |
| 3741 | unsigned long page, pos; |
Hans Verkuil | 601e944 | 2008-08-23 07:24:07 -0300 | [diff] [blame^] | 3742 | struct cam_data *cam = video_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3743 | int retval; |
| 3744 | |
| 3745 | if (!cam || !cam->ops) |
| 3746 | return -ENODEV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3747 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3748 | DBG("cpia_mmap: %ld\n", size); |
| 3749 | |
| 3750 | if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE) |
| 3751 | return -EINVAL; |
| 3752 | |
| 3753 | if (!cam || !cam->ops) |
| 3754 | return -ENODEV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3755 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3756 | /* make this _really_ smp-safe */ |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3757 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3758 | return -EINTR; |
| 3759 | |
| 3760 | if (!cam->frame_buf) { /* we do lazy allocation */ |
| 3761 | if ((retval = allocate_frame_buf(cam))) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3762 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3763 | return retval; |
| 3764 | } |
| 3765 | } |
| 3766 | |
| 3767 | pos = (unsigned long)(cam->frame_buf); |
| 3768 | while (size > 0) { |
| 3769 | page = vmalloc_to_pfn((void *)pos); |
| 3770 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3771 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3772 | return -EAGAIN; |
| 3773 | } |
| 3774 | start += PAGE_SIZE; |
| 3775 | pos += PAGE_SIZE; |
| 3776 | if (size > PAGE_SIZE) |
| 3777 | size -= PAGE_SIZE; |
| 3778 | else |
| 3779 | size = 0; |
| 3780 | } |
| 3781 | |
| 3782 | DBG("cpia_mmap: %ld\n", size); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3783 | mutex_unlock(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3784 | |
| 3785 | return 0; |
| 3786 | } |
| 3787 | |
Arjan van de Ven | fa027c2 | 2007-02-12 00:55:33 -0800 | [diff] [blame] | 3788 | static const struct file_operations cpia_fops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3789 | .owner = THIS_MODULE, |
| 3790 | .open = cpia_open, |
| 3791 | .release = cpia_close, |
| 3792 | .read = cpia_read, |
| 3793 | .mmap = cpia_mmap, |
| 3794 | .ioctl = cpia_ioctl, |
Douglas Schilling Landgraf | 078ff79 | 2008-04-22 14:46:11 -0300 | [diff] [blame] | 3795 | #ifdef CONFIG_COMPAT |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 3796 | .compat_ioctl = v4l_compat_ioctl32, |
Douglas Schilling Landgraf | 078ff79 | 2008-04-22 14:46:11 -0300 | [diff] [blame] | 3797 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3798 | .llseek = no_llseek, |
| 3799 | }; |
| 3800 | |
| 3801 | static struct video_device cpia_template = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3802 | .name = "CPiA Camera", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3803 | .fops = &cpia_fops, |
Hans Verkuil | aa5e90a | 2008-08-23 06:23:55 -0300 | [diff] [blame] | 3804 | .release = video_device_release_empty, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3805 | }; |
| 3806 | |
| 3807 | /* initialise cam_data structure */ |
| 3808 | static void reset_camera_struct(struct cam_data *cam) |
| 3809 | { |
| 3810 | /* The following parameter values are the defaults from |
| 3811 | * "Software Developer's Guide for CPiA Cameras". Any changes |
| 3812 | * to the defaults are noted in comments. */ |
| 3813 | cam->params.colourParams.brightness = 50; |
| 3814 | cam->params.colourParams.contrast = 48; |
| 3815 | cam->params.colourParams.saturation = 50; |
| 3816 | cam->params.exposure.gainMode = 4; |
| 3817 | cam->params.exposure.expMode = 2; /* AEC */ |
| 3818 | cam->params.exposure.compMode = 1; |
| 3819 | cam->params.exposure.centreWeight = 1; |
| 3820 | cam->params.exposure.gain = 0; |
| 3821 | cam->params.exposure.fineExp = 0; |
| 3822 | cam->params.exposure.coarseExpLo = 185; |
| 3823 | cam->params.exposure.coarseExpHi = 0; |
| 3824 | cam->params.exposure.redComp = COMP_RED; |
| 3825 | cam->params.exposure.green1Comp = COMP_GREEN1; |
| 3826 | cam->params.exposure.green2Comp = COMP_GREEN2; |
| 3827 | cam->params.exposure.blueComp = COMP_BLUE; |
| 3828 | cam->params.colourBalance.balanceMode = 2; /* ACB */ |
| 3829 | cam->params.colourBalance.redGain = 32; |
| 3830 | cam->params.colourBalance.greenGain = 6; |
| 3831 | cam->params.colourBalance.blueGain = 92; |
| 3832 | cam->params.apcor.gain1 = 0x18; |
| 3833 | cam->params.apcor.gain2 = 0x16; |
| 3834 | cam->params.apcor.gain4 = 0x24; |
| 3835 | cam->params.apcor.gain8 = 0x34; |
| 3836 | cam->params.flickerControl.flickerMode = 0; |
| 3837 | cam->params.flickerControl.disabled = 1; |
| 3838 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3839 | cam->params.flickerControl.coarseJump = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3840 | flicker_jumps[cam->mainsFreq] |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3841 | [cam->params.sensorFps.baserate] |
| 3842 | [cam->params.sensorFps.divisor]; |
| 3843 | cam->params.flickerControl.allowableOverExposure = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3844 | -find_over_exposure(cam->params.colourParams.brightness); |
| 3845 | cam->params.vlOffset.gain1 = 20; |
| 3846 | cam->params.vlOffset.gain2 = 24; |
| 3847 | cam->params.vlOffset.gain4 = 26; |
| 3848 | cam->params.vlOffset.gain8 = 26; |
| 3849 | cam->params.compressionParams.hysteresis = 3; |
| 3850 | cam->params.compressionParams.threshMax = 11; |
| 3851 | cam->params.compressionParams.smallStep = 1; |
| 3852 | cam->params.compressionParams.largeStep = 3; |
| 3853 | cam->params.compressionParams.decimationHysteresis = 2; |
| 3854 | cam->params.compressionParams.frDiffStepThresh = 5; |
| 3855 | cam->params.compressionParams.qDiffStepThresh = 3; |
| 3856 | cam->params.compressionParams.decimationThreshMod = 2; |
| 3857 | /* End of default values from Software Developer's Guide */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3858 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3859 | cam->transfer_rate = 0; |
| 3860 | cam->exposure_status = EXPOSURE_NORMAL; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3861 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3862 | /* Set Sensor FPS to 15fps. This seems better than 30fps |
| 3863 | * for indoor lighting. */ |
| 3864 | cam->params.sensorFps.divisor = 1; |
| 3865 | cam->params.sensorFps.baserate = 1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3866 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3867 | cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */ |
| 3868 | cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3869 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3870 | cam->params.format.subSample = SUBSAMPLE_422; |
| 3871 | cam->params.format.yuvOrder = YUVORDER_YUYV; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3872 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3873 | cam->params.compression.mode = CPIA_COMPRESSION_AUTO; |
| 3874 | cam->params.compressionTarget.frTargeting = |
| 3875 | CPIA_COMPRESSION_TARGET_QUALITY; |
| 3876 | cam->params.compressionTarget.targetFR = 15; /* From windows driver */ |
| 3877 | cam->params.compressionTarget.targetQ = 5; /* From windows driver */ |
| 3878 | |
| 3879 | cam->params.qx3.qx3_detected = 0; |
| 3880 | cam->params.qx3.toplight = 0; |
| 3881 | cam->params.qx3.bottomlight = 0; |
| 3882 | cam->params.qx3.button = 0; |
| 3883 | cam->params.qx3.cradled = 0; |
| 3884 | |
| 3885 | cam->video_size = VIDEOSIZE_CIF; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3886 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3887 | cam->vp.colour = 32768; /* 50% */ |
| 3888 | cam->vp.hue = 32768; /* 50% */ |
| 3889 | cam->vp.brightness = 32768; /* 50% */ |
| 3890 | cam->vp.contrast = 32768; /* 50% */ |
| 3891 | cam->vp.whiteness = 0; /* not used -> grayscale only */ |
| 3892 | cam->vp.depth = 24; /* to be set by user */ |
| 3893 | cam->vp.palette = VIDEO_PALETTE_RGB24; /* to be set by user */ |
| 3894 | |
| 3895 | cam->vc.x = 0; |
| 3896 | cam->vc.y = 0; |
| 3897 | cam->vc.width = 0; |
| 3898 | cam->vc.height = 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3899 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3900 | cam->vw.x = 0; |
| 3901 | cam->vw.y = 0; |
| 3902 | set_vw_size(cam); |
| 3903 | cam->vw.chromakey = 0; |
| 3904 | cam->vw.flags = 0; |
| 3905 | cam->vw.clipcount = 0; |
| 3906 | cam->vw.clips = NULL; |
| 3907 | |
| 3908 | cam->cmd_queue = COMMAND_NONE; |
| 3909 | cam->first_frame = 1; |
| 3910 | |
| 3911 | return; |
| 3912 | } |
| 3913 | |
| 3914 | /* initialize cam_data structure */ |
| 3915 | static void init_camera_struct(struct cam_data *cam, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3916 | struct cpia_camera_ops *ops ) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3917 | { |
| 3918 | int i; |
| 3919 | |
| 3920 | /* Default everything to 0 */ |
| 3921 | memset(cam, 0, sizeof(struct cam_data)); |
| 3922 | |
| 3923 | cam->ops = ops; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3924 | mutex_init(&cam->param_lock); |
| 3925 | mutex_init(&cam->busy_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3926 | |
| 3927 | reset_camera_struct(cam); |
| 3928 | |
| 3929 | cam->proc_entry = NULL; |
| 3930 | |
| 3931 | memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template)); |
Hans Verkuil | 601e944 | 2008-08-23 07:24:07 -0300 | [diff] [blame^] | 3932 | video_set_drvdata(&cam->vdev, cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3933 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3934 | cam->curframe = 0; |
| 3935 | for (i = 0; i < FRAME_NUM; i++) { |
| 3936 | cam->frame[i].width = 0; |
| 3937 | cam->frame[i].height = 0; |
| 3938 | cam->frame[i].state = FRAME_UNUSED; |
| 3939 | cam->frame[i].data = NULL; |
| 3940 | } |
| 3941 | cam->decompressed_frame.width = 0; |
| 3942 | cam->decompressed_frame.height = 0; |
| 3943 | cam->decompressed_frame.state = FRAME_UNUSED; |
| 3944 | cam->decompressed_frame.data = NULL; |
| 3945 | } |
| 3946 | |
| 3947 | struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel) |
| 3948 | { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3949 | struct cam_data *camera; |
| 3950 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3951 | if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL) |
| 3952 | return NULL; |
| 3953 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3954 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3955 | init_camera_struct( camera, ops ); |
| 3956 | camera->lowlevel_data = lowlevel; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3957 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3958 | /* register v4l device */ |
Hans Verkuil | dc60de3 | 2008-09-03 17:11:58 -0300 | [diff] [blame] | 3959 | if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3960 | kfree(camera); |
| 3961 | printk(KERN_DEBUG "video_register_device failed\n"); |
| 3962 | return NULL; |
| 3963 | } |
| 3964 | |
| 3965 | /* get version information from camera: open/reset/close */ |
| 3966 | |
| 3967 | /* open cpia */ |
| 3968 | if (camera->ops->open(camera->lowlevel_data)) |
| 3969 | return camera; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 3970 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3971 | /* reset the camera */ |
| 3972 | if (reset_camera(camera) != 0) { |
| 3973 | camera->ops->close(camera->lowlevel_data); |
| 3974 | return camera; |
| 3975 | } |
| 3976 | |
| 3977 | /* close cpia */ |
| 3978 | camera->ops->close(camera->lowlevel_data); |
| 3979 | |
| 3980 | #ifdef CONFIG_PROC_FS |
| 3981 | create_proc_cpia_cam(camera); |
| 3982 | #endif |
| 3983 | |
| 3984 | printk(KERN_INFO " CPiA Version: %d.%02d (%d.%d)\n", |
| 3985 | camera->params.version.firmwareVersion, |
| 3986 | camera->params.version.firmwareRevision, |
| 3987 | camera->params.version.vcVersion, |
| 3988 | camera->params.version.vcRevision); |
| 3989 | printk(KERN_INFO " CPiA PnP-ID: %04x:%04x:%04x\n", |
| 3990 | camera->params.pnpID.vendor, |
| 3991 | camera->params.pnpID.product, |
| 3992 | camera->params.pnpID.deviceRevision); |
| 3993 | printk(KERN_INFO " VP-Version: %d.%d %04x\n", |
| 3994 | camera->params.vpVersion.vpVersion, |
| 3995 | camera->params.vpVersion.vpRevision, |
| 3996 | camera->params.vpVersion.cameraHeadID); |
| 3997 | |
| 3998 | return camera; |
| 3999 | } |
| 4000 | |
| 4001 | void cpia_unregister_camera(struct cam_data *cam) |
| 4002 | { |
| 4003 | DBG("unregistering video\n"); |
| 4004 | video_unregister_device(&cam->vdev); |
| 4005 | if (cam->open_count) { |
| 4006 | put_cam(cam->ops); |
| 4007 | DBG("camera open -- setting ops to NULL\n"); |
| 4008 | cam->ops = NULL; |
| 4009 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 4010 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4011 | #ifdef CONFIG_PROC_FS |
| 4012 | DBG("destroying /proc/cpia/video%d\n", cam->vdev.minor); |
| 4013 | destroy_proc_cpia_cam(cam); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 4014 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4015 | if (!cam->open_count) { |
| 4016 | DBG("freeing camera\n"); |
| 4017 | kfree(cam); |
| 4018 | } |
| 4019 | } |
| 4020 | |
| 4021 | static int __init cpia_init(void) |
| 4022 | { |
| 4023 | printk(KERN_INFO "%s v%d.%d.%d\n", ABOUT, |
| 4024 | CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); |
| 4025 | |
| 4026 | printk(KERN_WARNING "Since in-kernel colorspace conversion is not " |
| 4027 | "allowed, it is disabled by default now. Users should fix the " |
| 4028 | "applications in case they don't work without conversion " |
| 4029 | "reenabled by setting the 'colorspace_conv' module " |
Randy Dunlap | 9419045 | 2006-03-27 16:18:25 -0300 | [diff] [blame] | 4030 | "parameter to 1\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4031 | |
| 4032 | #ifdef CONFIG_PROC_FS |
| 4033 | proc_cpia_create(); |
| 4034 | #endif |
| 4035 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4036 | return 0; |
| 4037 | } |
| 4038 | |
| 4039 | static void __exit cpia_exit(void) |
| 4040 | { |
| 4041 | #ifdef CONFIG_PROC_FS |
| 4042 | proc_cpia_destroy(); |
| 4043 | #endif |
| 4044 | } |
| 4045 | |
| 4046 | module_init(cpia_init); |
| 4047 | module_exit(cpia_exit); |
| 4048 | |
| 4049 | /* Exported symbols for modules. */ |
| 4050 | |
| 4051 | EXPORT_SYMBOL(cpia_register_camera); |
| 4052 | EXPORT_SYMBOL(cpia_unregister_camera); |