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1da177e4 LT |
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) */ | |
27 | /* #define _CPIA_DEBUG_ 1 */ | |
28 | ||
29 | #include <linux/config.h> | |
30 | ||
31 | #include <linux/module.h> | |
32 | #include <linux/moduleparam.h> | |
33 | #include <linux/init.h> | |
34 | #include <linux/fs.h> | |
35 | #include <linux/vmalloc.h> | |
36 | #include <linux/slab.h> | |
37 | #include <linux/proc_fs.h> | |
38 | #include <linux/ctype.h> | |
39 | #include <linux/pagemap.h> | |
40 | #include <linux/delay.h> | |
41 | #include <asm/io.h> | |
3593cab5 | 42 | #include <linux/mutex.h> |
1da177e4 LT |
43 | |
44 | #ifdef CONFIG_KMOD | |
45 | #include <linux/kmod.h> | |
46 | #endif | |
47 | ||
48 | #include "cpia.h" | |
49 | ||
50 | #ifdef CONFIG_VIDEO_CPIA_PP | |
51 | extern int cpia_pp_init(void); | |
52 | #endif | |
53 | #ifdef CONFIG_VIDEO_CPIA_USB | |
54 | extern int cpia_usb_init(void); | |
55 | #endif | |
56 | ||
57 | static int video_nr = -1; | |
58 | ||
59 | #ifdef MODULE | |
60 | module_param(video_nr, int, 0); | |
2f8de1a1 | 61 | MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfelt.com>"); |
1da177e4 LT |
62 | MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras"); |
63 | MODULE_LICENSE("GPL"); | |
64 | MODULE_SUPPORTED_DEVICE("video"); | |
65 | #endif | |
66 | ||
67 | static unsigned short colorspace_conv = 0; | |
68 | module_param(colorspace_conv, ushort, 0444); | |
69 | MODULE_PARM_DESC(colorspace_conv, | |
70 | "\n<n> Colorspace conversion:" | |
71 | "\n0 = disable" | |
72 | "\n1 = enable" | |
73 | "\nDefault value is 0" | |
74 | "\n"); | |
75 | ||
76 | #define ABOUT "V4L-Driver for Vision CPiA based cameras" | |
77 | ||
78 | #ifndef VID_HARDWARE_CPIA | |
79 | #define VID_HARDWARE_CPIA 24 /* FIXME -> from linux/videodev.h */ | |
80 | #endif | |
81 | ||
82 | #define CPIA_MODULE_CPIA (0<<5) | |
83 | #define CPIA_MODULE_SYSTEM (1<<5) | |
84 | #define CPIA_MODULE_VP_CTRL (5<<5) | |
85 | #define CPIA_MODULE_CAPTURE (6<<5) | |
86 | #define CPIA_MODULE_DEBUG (7<<5) | |
87 | ||
88 | #define INPUT (DATA_IN << 8) | |
89 | #define OUTPUT (DATA_OUT << 8) | |
90 | ||
91 | #define CPIA_COMMAND_GetCPIAVersion (INPUT | CPIA_MODULE_CPIA | 1) | |
92 | #define CPIA_COMMAND_GetPnPID (INPUT | CPIA_MODULE_CPIA | 2) | |
93 | #define CPIA_COMMAND_GetCameraStatus (INPUT | CPIA_MODULE_CPIA | 3) | |
94 | #define CPIA_COMMAND_GotoHiPower (OUTPUT | CPIA_MODULE_CPIA | 4) | |
95 | #define CPIA_COMMAND_GotoLoPower (OUTPUT | CPIA_MODULE_CPIA | 5) | |
96 | #define CPIA_COMMAND_GotoSuspend (OUTPUT | CPIA_MODULE_CPIA | 7) | |
97 | #define CPIA_COMMAND_GotoPassThrough (OUTPUT | CPIA_MODULE_CPIA | 8) | |
98 | #define CPIA_COMMAND_ModifyCameraStatus (OUTPUT | CPIA_MODULE_CPIA | 10) | |
99 | ||
100 | #define CPIA_COMMAND_ReadVCRegs (INPUT | CPIA_MODULE_SYSTEM | 1) | |
101 | #define CPIA_COMMAND_WriteVCReg (OUTPUT | CPIA_MODULE_SYSTEM | 2) | |
102 | #define CPIA_COMMAND_ReadMCPorts (INPUT | CPIA_MODULE_SYSTEM | 3) | |
103 | #define CPIA_COMMAND_WriteMCPort (OUTPUT | CPIA_MODULE_SYSTEM | 4) | |
104 | #define CPIA_COMMAND_SetBaudRate (OUTPUT | CPIA_MODULE_SYSTEM | 5) | |
105 | #define CPIA_COMMAND_SetECPTiming (OUTPUT | CPIA_MODULE_SYSTEM | 6) | |
106 | #define CPIA_COMMAND_ReadIDATA (INPUT | CPIA_MODULE_SYSTEM | 7) | |
107 | #define CPIA_COMMAND_WriteIDATA (OUTPUT | CPIA_MODULE_SYSTEM | 8) | |
108 | #define CPIA_COMMAND_GenericCall (OUTPUT | CPIA_MODULE_SYSTEM | 9) | |
109 | #define CPIA_COMMAND_I2CStart (OUTPUT | CPIA_MODULE_SYSTEM | 10) | |
110 | #define CPIA_COMMAND_I2CStop (OUTPUT | CPIA_MODULE_SYSTEM | 11) | |
111 | #define CPIA_COMMAND_I2CWrite (OUTPUT | CPIA_MODULE_SYSTEM | 12) | |
112 | #define CPIA_COMMAND_I2CRead (INPUT | CPIA_MODULE_SYSTEM | 13) | |
113 | ||
114 | #define CPIA_COMMAND_GetVPVersion (INPUT | CPIA_MODULE_VP_CTRL | 1) | |
115 | #define CPIA_COMMAND_ResetFrameCounter (INPUT | CPIA_MODULE_VP_CTRL | 2) | |
116 | #define CPIA_COMMAND_SetColourParams (OUTPUT | CPIA_MODULE_VP_CTRL | 3) | |
117 | #define CPIA_COMMAND_SetExposure (OUTPUT | CPIA_MODULE_VP_CTRL | 4) | |
118 | #define CPIA_COMMAND_SetColourBalance (OUTPUT | CPIA_MODULE_VP_CTRL | 6) | |
119 | #define CPIA_COMMAND_SetSensorFPS (OUTPUT | CPIA_MODULE_VP_CTRL | 7) | |
120 | #define CPIA_COMMAND_SetVPDefaults (OUTPUT | CPIA_MODULE_VP_CTRL | 8) | |
121 | #define CPIA_COMMAND_SetApcor (OUTPUT | CPIA_MODULE_VP_CTRL | 9) | |
122 | #define CPIA_COMMAND_SetFlickerCtrl (OUTPUT | CPIA_MODULE_VP_CTRL | 10) | |
123 | #define CPIA_COMMAND_SetVLOffset (OUTPUT | CPIA_MODULE_VP_CTRL | 11) | |
124 | #define CPIA_COMMAND_GetColourParams (INPUT | CPIA_MODULE_VP_CTRL | 16) | |
125 | #define CPIA_COMMAND_GetColourBalance (INPUT | CPIA_MODULE_VP_CTRL | 17) | |
126 | #define CPIA_COMMAND_GetExposure (INPUT | CPIA_MODULE_VP_CTRL | 18) | |
127 | #define CPIA_COMMAND_SetSensorMatrix (OUTPUT | CPIA_MODULE_VP_CTRL | 19) | |
128 | #define CPIA_COMMAND_ColourBars (OUTPUT | CPIA_MODULE_VP_CTRL | 25) | |
129 | #define CPIA_COMMAND_ReadVPRegs (INPUT | CPIA_MODULE_VP_CTRL | 30) | |
130 | #define CPIA_COMMAND_WriteVPReg (OUTPUT | CPIA_MODULE_VP_CTRL | 31) | |
131 | ||
132 | #define CPIA_COMMAND_GrabFrame (OUTPUT | CPIA_MODULE_CAPTURE | 1) | |
133 | #define CPIA_COMMAND_UploadFrame (OUTPUT | CPIA_MODULE_CAPTURE | 2) | |
134 | #define CPIA_COMMAND_SetGrabMode (OUTPUT | CPIA_MODULE_CAPTURE | 3) | |
135 | #define CPIA_COMMAND_InitStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 4) | |
136 | #define CPIA_COMMAND_FiniStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 5) | |
137 | #define CPIA_COMMAND_StartStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 6) | |
138 | #define CPIA_COMMAND_EndStreamCap (OUTPUT | CPIA_MODULE_CAPTURE | 7) | |
139 | #define CPIA_COMMAND_SetFormat (OUTPUT | CPIA_MODULE_CAPTURE | 8) | |
140 | #define CPIA_COMMAND_SetROI (OUTPUT | CPIA_MODULE_CAPTURE | 9) | |
141 | #define CPIA_COMMAND_SetCompression (OUTPUT | CPIA_MODULE_CAPTURE | 10) | |
142 | #define CPIA_COMMAND_SetCompressionTarget (OUTPUT | CPIA_MODULE_CAPTURE | 11) | |
143 | #define CPIA_COMMAND_SetYUVThresh (OUTPUT | CPIA_MODULE_CAPTURE | 12) | |
144 | #define CPIA_COMMAND_SetCompressionParams (OUTPUT | CPIA_MODULE_CAPTURE | 13) | |
145 | #define CPIA_COMMAND_DiscardFrame (OUTPUT | CPIA_MODULE_CAPTURE | 14) | |
146 | #define CPIA_COMMAND_GrabReset (OUTPUT | CPIA_MODULE_CAPTURE | 15) | |
147 | ||
148 | #define CPIA_COMMAND_OutputRS232 (OUTPUT | CPIA_MODULE_DEBUG | 1) | |
149 | #define CPIA_COMMAND_AbortProcess (OUTPUT | CPIA_MODULE_DEBUG | 4) | |
150 | #define CPIA_COMMAND_SetDramPage (OUTPUT | CPIA_MODULE_DEBUG | 5) | |
151 | #define CPIA_COMMAND_StartDramUpload (OUTPUT | CPIA_MODULE_DEBUG | 6) | |
152 | #define CPIA_COMMAND_StartDummyDtream (OUTPUT | CPIA_MODULE_DEBUG | 8) | |
153 | #define CPIA_COMMAND_AbortStream (OUTPUT | CPIA_MODULE_DEBUG | 9) | |
154 | #define CPIA_COMMAND_DownloadDRAM (OUTPUT | CPIA_MODULE_DEBUG | 10) | |
155 | #define CPIA_COMMAND_Null (OUTPUT | CPIA_MODULE_DEBUG | 11) | |
156 | ||
157 | enum { | |
158 | FRAME_READY, /* Ready to grab into */ | |
159 | FRAME_GRABBING, /* In the process of being grabbed into */ | |
160 | FRAME_DONE, /* Finished grabbing, but not been synced yet */ | |
161 | FRAME_UNUSED, /* Unused (no MCAPTURE) */ | |
162 | }; | |
163 | ||
164 | #define COMMAND_NONE 0x0000 | |
165 | #define COMMAND_SETCOMPRESSION 0x0001 | |
166 | #define COMMAND_SETCOMPRESSIONTARGET 0x0002 | |
167 | #define COMMAND_SETCOLOURPARAMS 0x0004 | |
168 | #define COMMAND_SETFORMAT 0x0008 | |
169 | #define COMMAND_PAUSE 0x0010 | |
170 | #define COMMAND_RESUME 0x0020 | |
171 | #define COMMAND_SETYUVTHRESH 0x0040 | |
172 | #define COMMAND_SETECPTIMING 0x0080 | |
173 | #define COMMAND_SETCOMPRESSIONPARAMS 0x0100 | |
174 | #define COMMAND_SETEXPOSURE 0x0200 | |
175 | #define COMMAND_SETCOLOURBALANCE 0x0400 | |
176 | #define COMMAND_SETSENSORFPS 0x0800 | |
177 | #define COMMAND_SETAPCOR 0x1000 | |
178 | #define COMMAND_SETFLICKERCTRL 0x2000 | |
179 | #define COMMAND_SETVLOFFSET 0x4000 | |
180 | #define COMMAND_SETLIGHTS 0x8000 | |
181 | ||
182 | #define ROUND_UP_EXP_FOR_FLICKER 15 | |
183 | ||
184 | /* Constants for automatic frame rate adjustment */ | |
185 | #define MAX_EXP 302 | |
186 | #define MAX_EXP_102 255 | |
187 | #define LOW_EXP 140 | |
188 | #define VERY_LOW_EXP 70 | |
189 | #define TC 94 | |
190 | #define EXP_ACC_DARK 50 | |
191 | #define EXP_ACC_LIGHT 90 | |
192 | #define HIGH_COMP_102 160 | |
193 | #define MAX_COMP 239 | |
194 | #define DARK_TIME 3 | |
195 | #define LIGHT_TIME 3 | |
196 | ||
197 | /* Maximum number of 10ms loops to wait for the stream to become ready */ | |
198 | #define READY_TIMEOUT 100 | |
199 | ||
200 | /* Developer's Guide Table 5 p 3-34 | |
201 | * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/ | |
202 | static u8 flicker_jumps[2][2][4] = | |
203 | { { { 76, 38, 19, 9 }, { 92, 46, 23, 11 } }, | |
204 | { { 64, 32, 16, 8 }, { 76, 38, 19, 9} } | |
205 | }; | |
206 | ||
207 | /* forward declaration of local function */ | |
208 | static void reset_camera_struct(struct cam_data *cam); | |
209 | static int find_over_exposure(int brightness); | |
210 | static void set_flicker(struct cam_params *params, volatile u32 *command_flags, | |
211 | int on); | |
212 | ||
213 | ||
214 | /********************************************************************** | |
215 | * | |
216 | * Memory management | |
217 | * | |
218 | **********************************************************************/ | |
219 | static void *rvmalloc(unsigned long size) | |
220 | { | |
221 | void *mem; | |
222 | unsigned long adr; | |
223 | ||
224 | size = PAGE_ALIGN(size); | |
225 | mem = vmalloc_32(size); | |
226 | if (!mem) | |
227 | return NULL; | |
228 | ||
229 | memset(mem, 0, size); /* Clear the ram out, no junk to the user */ | |
230 | adr = (unsigned long) mem; | |
231 | while (size > 0) { | |
232 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
233 | adr += PAGE_SIZE; | |
234 | size -= PAGE_SIZE; | |
235 | } | |
236 | ||
237 | return mem; | |
238 | } | |
239 | ||
240 | static void rvfree(void *mem, unsigned long size) | |
241 | { | |
242 | unsigned long adr; | |
243 | ||
244 | if (!mem) | |
245 | return; | |
246 | ||
247 | adr = (unsigned long) mem; | |
248 | while ((long) size > 0) { | |
249 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
250 | adr += PAGE_SIZE; | |
251 | size -= PAGE_SIZE; | |
252 | } | |
253 | vfree(mem); | |
254 | } | |
255 | ||
256 | /********************************************************************** | |
257 | * | |
258 | * /proc interface | |
259 | * | |
260 | **********************************************************************/ | |
261 | #ifdef CONFIG_PROC_FS | |
262 | static struct proc_dir_entry *cpia_proc_root=NULL; | |
263 | ||
264 | static int cpia_read_proc(char *page, char **start, off_t off, | |
265 | int count, int *eof, void *data) | |
266 | { | |
267 | char *out = page; | |
268 | int len, tmp; | |
269 | struct cam_data *cam = data; | |
270 | char tmpstr[29]; | |
271 | ||
272 | /* IMPORTANT: This output MUST be kept under PAGE_SIZE | |
273 | * or we need to get more sophisticated. */ | |
274 | ||
275 | out += sprintf(out, "read-only\n-----------------------\n"); | |
276 | out += sprintf(out, "V4L Driver version: %d.%d.%d\n", | |
277 | CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); | |
278 | out += sprintf(out, "CPIA Version: %d.%02d (%d.%d)\n", | |
279 | cam->params.version.firmwareVersion, | |
280 | cam->params.version.firmwareRevision, | |
281 | cam->params.version.vcVersion, | |
282 | cam->params.version.vcRevision); | |
283 | out += sprintf(out, "CPIA PnP-ID: %04x:%04x:%04x\n", | |
284 | cam->params.pnpID.vendor, cam->params.pnpID.product, | |
285 | cam->params.pnpID.deviceRevision); | |
286 | out += sprintf(out, "VP-Version: %d.%d %04x\n", | |
287 | cam->params.vpVersion.vpVersion, | |
288 | cam->params.vpVersion.vpRevision, | |
289 | cam->params.vpVersion.cameraHeadID); | |
290 | ||
291 | out += sprintf(out, "system_state: %#04x\n", | |
292 | cam->params.status.systemState); | |
293 | out += sprintf(out, "grab_state: %#04x\n", | |
294 | cam->params.status.grabState); | |
295 | out += sprintf(out, "stream_state: %#04x\n", | |
296 | cam->params.status.streamState); | |
297 | out += sprintf(out, "fatal_error: %#04x\n", | |
298 | cam->params.status.fatalError); | |
299 | out += sprintf(out, "cmd_error: %#04x\n", | |
300 | cam->params.status.cmdError); | |
301 | out += sprintf(out, "debug_flags: %#04x\n", | |
302 | cam->params.status.debugFlags); | |
303 | out += sprintf(out, "vp_status: %#04x\n", | |
304 | cam->params.status.vpStatus); | |
305 | out += sprintf(out, "error_code: %#04x\n", | |
306 | cam->params.status.errorCode); | |
307 | /* QX3 specific entries */ | |
308 | if (cam->params.qx3.qx3_detected) { | |
309 | out += sprintf(out, "button: %4d\n", | |
310 | cam->params.qx3.button); | |
311 | out += sprintf(out, "cradled: %4d\n", | |
312 | cam->params.qx3.cradled); | |
313 | } | |
314 | out += sprintf(out, "video_size: %s\n", | |
315 | cam->params.format.videoSize == VIDEOSIZE_CIF ? | |
316 | "CIF " : "QCIF"); | |
317 | out += sprintf(out, "roi: (%3d, %3d) to (%3d, %3d)\n", | |
318 | cam->params.roi.colStart*8, | |
319 | cam->params.roi.rowStart*4, | |
320 | cam->params.roi.colEnd*8, | |
321 | cam->params.roi.rowEnd*4); | |
322 | out += sprintf(out, "actual_fps: %3d\n", cam->fps); | |
323 | out += sprintf(out, "transfer_rate: %4dkB/s\n", | |
324 | cam->transfer_rate); | |
325 | ||
326 | out += sprintf(out, "\nread-write\n"); | |
327 | out += sprintf(out, "----------------------- current min" | |
328 | " max default comment\n"); | |
329 | out += sprintf(out, "brightness: %8d %8d %8d %8d\n", | |
330 | cam->params.colourParams.brightness, 0, 100, 50); | |
331 | if (cam->params.version.firmwareVersion == 1 && | |
332 | cam->params.version.firmwareRevision == 2) | |
333 | /* 1-02 firmware limits contrast to 80 */ | |
334 | tmp = 80; | |
335 | else | |
336 | tmp = 96; | |
337 | ||
338 | out += sprintf(out, "contrast: %8d %8d %8d %8d" | |
339 | " steps of 8\n", | |
340 | cam->params.colourParams.contrast, 0, tmp, 48); | |
341 | out += sprintf(out, "saturation: %8d %8d %8d %8d\n", | |
342 | cam->params.colourParams.saturation, 0, 100, 50); | |
343 | tmp = (25000+5000*cam->params.sensorFps.baserate)/ | |
344 | (1<<cam->params.sensorFps.divisor); | |
345 | out += sprintf(out, "sensor_fps: %4d.%03d %8d %8d %8d\n", | |
346 | tmp/1000, tmp%1000, 3, 30, 15); | |
347 | out += sprintf(out, "stream_start_line: %8d %8d %8d %8d\n", | |
348 | 2*cam->params.streamStartLine, 0, | |
349 | cam->params.format.videoSize == VIDEOSIZE_CIF ? 288:144, | |
350 | cam->params.format.videoSize == VIDEOSIZE_CIF ? 240:120); | |
351 | out += sprintf(out, "sub_sample: %8s %8s %8s %8s\n", | |
352 | cam->params.format.subSample == SUBSAMPLE_420 ? | |
353 | "420" : "422", "420", "422", "422"); | |
354 | out += sprintf(out, "yuv_order: %8s %8s %8s %8s\n", | |
355 | cam->params.format.yuvOrder == YUVORDER_YUYV ? | |
356 | "YUYV" : "UYVY", "YUYV" , "UYVY", "YUYV"); | |
357 | out += sprintf(out, "ecp_timing: %8s %8s %8s %8s\n", | |
358 | cam->params.ecpTiming ? "slow" : "normal", "slow", | |
359 | "normal", "normal"); | |
360 | ||
361 | if (cam->params.colourBalance.balanceMode == 2) { | |
362 | sprintf(tmpstr, "auto"); | |
363 | } else { | |
364 | sprintf(tmpstr, "manual"); | |
365 | } | |
366 | out += sprintf(out, "color_balance_mode: %8s %8s %8s" | |
367 | " %8s\n", tmpstr, "manual", "auto", "auto"); | |
368 | out += sprintf(out, "red_gain: %8d %8d %8d %8d\n", | |
369 | cam->params.colourBalance.redGain, 0, 212, 32); | |
370 | out += sprintf(out, "green_gain: %8d %8d %8d %8d\n", | |
371 | cam->params.colourBalance.greenGain, 0, 212, 6); | |
372 | out += sprintf(out, "blue_gain: %8d %8d %8d %8d\n", | |
373 | cam->params.colourBalance.blueGain, 0, 212, 92); | |
374 | ||
375 | if (cam->params.version.firmwareVersion == 1 && | |
376 | cam->params.version.firmwareRevision == 2) | |
377 | /* 1-02 firmware limits gain to 2 */ | |
378 | sprintf(tmpstr, "%8d %8d %8d", 1, 2, 2); | |
379 | else | |
380 | sprintf(tmpstr, "%8d %8d %8d", 1, 8, 2); | |
381 | ||
382 | if (cam->params.exposure.gainMode == 0) | |
383 | out += sprintf(out, "max_gain: unknown %28s" | |
384 | " powers of 2\n", tmpstr); | |
385 | else | |
386 | out += sprintf(out, "max_gain: %8d %28s" | |
387 | " 1,2,4 or 8 \n", | |
388 | 1<<(cam->params.exposure.gainMode-1), tmpstr); | |
389 | ||
390 | switch(cam->params.exposure.expMode) { | |
391 | case 1: | |
392 | case 3: | |
393 | sprintf(tmpstr, "manual"); | |
394 | break; | |
395 | case 2: | |
396 | sprintf(tmpstr, "auto"); | |
397 | break; | |
398 | default: | |
399 | sprintf(tmpstr, "unknown"); | |
400 | break; | |
401 | } | |
402 | out += sprintf(out, "exposure_mode: %8s %8s %8s" | |
403 | " %8s\n", tmpstr, "manual", "auto", "auto"); | |
404 | out += sprintf(out, "centre_weight: %8s %8s %8s %8s\n", | |
405 | (2-cam->params.exposure.centreWeight) ? "on" : "off", | |
406 | "off", "on", "on"); | |
407 | out += sprintf(out, "gain: %8d %8d max_gain %8d 1,2,4,8 possible\n", | |
408 | 1<<cam->params.exposure.gain, 1, 1); | |
409 | if (cam->params.version.firmwareVersion == 1 && | |
410 | cam->params.version.firmwareRevision == 2) | |
411 | /* 1-02 firmware limits fineExp/2 to 127 */ | |
412 | tmp = 254; | |
413 | else | |
414 | tmp = 510; | |
415 | ||
416 | out += sprintf(out, "fine_exp: %8d %8d %8d %8d\n", | |
417 | cam->params.exposure.fineExp*2, 0, tmp, 0); | |
418 | if (cam->params.version.firmwareVersion == 1 && | |
419 | cam->params.version.firmwareRevision == 2) | |
420 | /* 1-02 firmware limits coarseExpHi to 0 */ | |
421 | tmp = MAX_EXP_102; | |
422 | else | |
423 | tmp = MAX_EXP; | |
424 | ||
425 | out += sprintf(out, "coarse_exp: %8d %8d %8d" | |
426 | " %8d\n", cam->params.exposure.coarseExpLo+ | |
427 | 256*cam->params.exposure.coarseExpHi, 0, tmp, 185); | |
428 | out += sprintf(out, "red_comp: %8d %8d %8d %8d\n", | |
429 | cam->params.exposure.redComp, COMP_RED, 255, COMP_RED); | |
430 | out += sprintf(out, "green1_comp: %8d %8d %8d %8d\n", | |
431 | cam->params.exposure.green1Comp, COMP_GREEN1, 255, | |
432 | COMP_GREEN1); | |
433 | out += sprintf(out, "green2_comp: %8d %8d %8d %8d\n", | |
434 | cam->params.exposure.green2Comp, COMP_GREEN2, 255, | |
435 | COMP_GREEN2); | |
436 | out += sprintf(out, "blue_comp: %8d %8d %8d %8d\n", | |
437 | cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE); | |
438 | ||
439 | out += sprintf(out, "apcor_gain1: %#8x %#8x %#8x %#8x\n", | |
440 | cam->params.apcor.gain1, 0, 0xff, 0x1c); | |
441 | out += sprintf(out, "apcor_gain2: %#8x %#8x %#8x %#8x\n", | |
442 | cam->params.apcor.gain2, 0, 0xff, 0x1a); | |
443 | out += sprintf(out, "apcor_gain4: %#8x %#8x %#8x %#8x\n", | |
444 | cam->params.apcor.gain4, 0, 0xff, 0x2d); | |
445 | out += sprintf(out, "apcor_gain8: %#8x %#8x %#8x %#8x\n", | |
446 | cam->params.apcor.gain8, 0, 0xff, 0x2a); | |
447 | out += sprintf(out, "vl_offset_gain1: %8d %8d %8d %8d\n", | |
448 | cam->params.vlOffset.gain1, 0, 255, 24); | |
449 | out += sprintf(out, "vl_offset_gain2: %8d %8d %8d %8d\n", | |
450 | cam->params.vlOffset.gain2, 0, 255, 28); | |
451 | out += sprintf(out, "vl_offset_gain4: %8d %8d %8d %8d\n", | |
452 | cam->params.vlOffset.gain4, 0, 255, 30); | |
453 | out += sprintf(out, "vl_offset_gain8: %8d %8d %8d %8d\n", | |
454 | cam->params.vlOffset.gain8, 0, 255, 30); | |
455 | out += sprintf(out, "flicker_control: %8s %8s %8s %8s\n", | |
456 | cam->params.flickerControl.flickerMode ? "on" : "off", | |
457 | "off", "on", "off"); | |
458 | out += sprintf(out, "mains_frequency: %8d %8d %8d %8d" | |
459 | " only 50/60\n", | |
460 | cam->mainsFreq ? 60 : 50, 50, 60, 50); | |
461 | if(cam->params.flickerControl.allowableOverExposure < 0) | |
462 | out += sprintf(out, "allowable_overexposure: %4dauto auto %8d auto\n", | |
463 | -cam->params.flickerControl.allowableOverExposure, | |
464 | 255); | |
465 | else | |
466 | out += sprintf(out, "allowable_overexposure: %8d auto %8d auto\n", | |
467 | cam->params.flickerControl.allowableOverExposure, | |
468 | 255); | |
469 | out += sprintf(out, "compression_mode: "); | |
470 | switch(cam->params.compression.mode) { | |
471 | case CPIA_COMPRESSION_NONE: | |
472 | out += sprintf(out, "%8s", "none"); | |
473 | break; | |
474 | case CPIA_COMPRESSION_AUTO: | |
475 | out += sprintf(out, "%8s", "auto"); | |
476 | break; | |
477 | case CPIA_COMPRESSION_MANUAL: | |
478 | out += sprintf(out, "%8s", "manual"); | |
479 | break; | |
480 | default: | |
481 | out += sprintf(out, "%8s", "unknown"); | |
482 | break; | |
483 | } | |
484 | out += sprintf(out, " none,auto,manual auto\n"); | |
485 | out += sprintf(out, "decimation_enable: %8s %8s %8s %8s\n", | |
486 | cam->params.compression.decimation == | |
487 | DECIMATION_ENAB ? "on":"off", "off", "on", | |
488 | "off"); | |
489 | out += sprintf(out, "compression_target: %9s %9s %9s %9s\n", | |
490 | cam->params.compressionTarget.frTargeting == | |
491 | CPIA_COMPRESSION_TARGET_FRAMERATE ? | |
492 | "framerate":"quality", | |
493 | "framerate", "quality", "quality"); | |
494 | out += sprintf(out, "target_framerate: %8d %8d %8d %8d\n", | |
495 | cam->params.compressionTarget.targetFR, 1, 30, 15); | |
496 | out += sprintf(out, "target_quality: %8d %8d %8d %8d\n", | |
497 | cam->params.compressionTarget.targetQ, 1, 64, 5); | |
498 | out += sprintf(out, "y_threshold: %8d %8d %8d %8d\n", | |
499 | cam->params.yuvThreshold.yThreshold, 0, 31, 6); | |
500 | out += sprintf(out, "uv_threshold: %8d %8d %8d %8d\n", | |
501 | cam->params.yuvThreshold.uvThreshold, 0, 31, 6); | |
502 | out += sprintf(out, "hysteresis: %8d %8d %8d %8d\n", | |
503 | cam->params.compressionParams.hysteresis, 0, 255, 3); | |
504 | out += sprintf(out, "threshold_max: %8d %8d %8d %8d\n", | |
505 | cam->params.compressionParams.threshMax, 0, 255, 11); | |
506 | out += sprintf(out, "small_step: %8d %8d %8d %8d\n", | |
507 | cam->params.compressionParams.smallStep, 0, 255, 1); | |
508 | out += sprintf(out, "large_step: %8d %8d %8d %8d\n", | |
509 | cam->params.compressionParams.largeStep, 0, 255, 3); | |
510 | out += sprintf(out, "decimation_hysteresis: %8d %8d %8d %8d\n", | |
511 | cam->params.compressionParams.decimationHysteresis, | |
512 | 0, 255, 2); | |
513 | out += sprintf(out, "fr_diff_step_thresh: %8d %8d %8d %8d\n", | |
514 | cam->params.compressionParams.frDiffStepThresh, | |
515 | 0, 255, 5); | |
516 | out += sprintf(out, "q_diff_step_thresh: %8d %8d %8d %8d\n", | |
517 | cam->params.compressionParams.qDiffStepThresh, | |
518 | 0, 255, 3); | |
519 | out += sprintf(out, "decimation_thresh_mod: %8d %8d %8d %8d\n", | |
520 | cam->params.compressionParams.decimationThreshMod, | |
521 | 0, 255, 2); | |
522 | /* QX3 specific entries */ | |
523 | if (cam->params.qx3.qx3_detected) { | |
524 | out += sprintf(out, "toplight: %8s %8s %8s %8s\n", | |
525 | cam->params.qx3.toplight ? "on" : "off", | |
526 | "off", "on", "off"); | |
527 | out += sprintf(out, "bottomlight: %8s %8s %8s %8s\n", | |
528 | cam->params.qx3.bottomlight ? "on" : "off", | |
529 | "off", "on", "off"); | |
530 | } | |
531 | ||
532 | len = out - page; | |
533 | len -= off; | |
534 | if (len < count) { | |
535 | *eof = 1; | |
536 | if (len <= 0) return 0; | |
537 | } else | |
538 | len = count; | |
539 | ||
540 | *start = page + off; | |
541 | return len; | |
542 | } | |
543 | ||
544 | ||
545 | static int match(char *checkstr, char **buffer, unsigned long *count, | |
546 | int *find_colon, int *err) | |
547 | { | |
548 | int ret, colon_found = 1; | |
549 | int len = strlen(checkstr); | |
550 | ret = (len <= *count && strncmp(*buffer, checkstr, len) == 0); | |
551 | if (ret) { | |
552 | *buffer += len; | |
553 | *count -= len; | |
554 | if (*find_colon) { | |
555 | colon_found = 0; | |
556 | while (*count && (**buffer == ' ' || **buffer == '\t' || | |
557 | (!colon_found && **buffer == ':'))) { | |
558 | if (**buffer == ':') | |
559 | colon_found = 1; | |
560 | --*count; | |
561 | ++*buffer; | |
562 | } | |
563 | if (!*count || !colon_found) | |
564 | *err = -EINVAL; | |
565 | *find_colon = 0; | |
566 | } | |
567 | } | |
568 | return ret; | |
569 | } | |
570 | ||
571 | static unsigned long int value(char **buffer, unsigned long *count, int *err) | |
572 | { | |
573 | char *p; | |
574 | unsigned long int ret; | |
575 | ret = simple_strtoul(*buffer, &p, 0); | |
576 | if (p == *buffer) | |
577 | *err = -EINVAL; | |
578 | else { | |
579 | *count -= p - *buffer; | |
580 | *buffer = p; | |
581 | } | |
582 | return ret; | |
583 | } | |
584 | ||
585 | static int cpia_write_proc(struct file *file, const char __user *buf, | |
586 | unsigned long count, void *data) | |
587 | { | |
588 | struct cam_data *cam = data; | |
589 | struct cam_params new_params; | |
590 | char *page, *buffer; | |
591 | int retval, find_colon; | |
592 | int size = count; | |
593 | unsigned long val = 0; | |
594 | u32 command_flags = 0; | |
595 | u8 new_mains; | |
596 | ||
597 | /* | |
598 | * This code to copy from buf to page is shamelessly copied | |
599 | * from the comx driver | |
600 | */ | |
601 | if (count > PAGE_SIZE) { | |
602 | printk(KERN_ERR "count is %lu > %d!!!\n", count, (int)PAGE_SIZE); | |
603 | return -ENOSPC; | |
604 | } | |
605 | ||
606 | if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM; | |
607 | ||
608 | if(copy_from_user(page, buf, count)) | |
609 | { | |
610 | retval = -EFAULT; | |
611 | goto out; | |
612 | } | |
613 | ||
614 | if (page[count-1] == '\n') | |
615 | page[count-1] = '\0'; | |
616 | else if (count < PAGE_SIZE) | |
617 | page[count] = '\0'; | |
618 | else if (page[count]) { | |
619 | retval = -EINVAL; | |
620 | goto out; | |
621 | } | |
622 | ||
623 | buffer = page; | |
624 | ||
3593cab5 | 625 | if (mutex_lock_interruptible(&cam->param_lock)) |
1da177e4 LT |
626 | return -ERESTARTSYS; |
627 | ||
628 | /* | |
629 | * Skip over leading whitespace | |
630 | */ | |
631 | while (count && isspace(*buffer)) { | |
632 | --count; | |
633 | ++buffer; | |
634 | } | |
635 | ||
636 | memcpy(&new_params, &cam->params, sizeof(struct cam_params)); | |
637 | new_mains = cam->mainsFreq; | |
638 | ||
639 | #define MATCH(x) (match(x, &buffer, &count, &find_colon, &retval)) | |
640 | #define VALUE (value(&buffer,&count, &retval)) | |
641 | #define FIRMWARE_VERSION(x,y) (new_params.version.firmwareVersion == (x) && \ | |
642 | new_params.version.firmwareRevision == (y)) | |
643 | ||
644 | retval = 0; | |
645 | while (count && !retval) { | |
646 | find_colon = 1; | |
647 | if (MATCH("brightness")) { | |
648 | if (!retval) | |
649 | val = VALUE; | |
650 | ||
651 | if (!retval) { | |
652 | if (val <= 100) | |
653 | new_params.colourParams.brightness = val; | |
654 | else | |
655 | retval = -EINVAL; | |
656 | } | |
657 | command_flags |= COMMAND_SETCOLOURPARAMS; | |
658 | if(new_params.flickerControl.allowableOverExposure < 0) | |
659 | new_params.flickerControl.allowableOverExposure = | |
660 | -find_over_exposure(new_params.colourParams.brightness); | |
661 | if(new_params.flickerControl.flickerMode != 0) | |
662 | command_flags |= COMMAND_SETFLICKERCTRL; | |
663 | ||
664 | } else if (MATCH("contrast")) { | |
665 | if (!retval) | |
666 | val = VALUE; | |
667 | ||
668 | if (!retval) { | |
669 | if (val <= 100) { | |
670 | /* contrast is in steps of 8, so round*/ | |
671 | val = ((val + 3) / 8) * 8; | |
672 | /* 1-02 firmware limits contrast to 80*/ | |
673 | if (FIRMWARE_VERSION(1,2) && val > 80) | |
674 | val = 80; | |
675 | ||
676 | new_params.colourParams.contrast = val; | |
677 | } else | |
678 | retval = -EINVAL; | |
679 | } | |
680 | command_flags |= COMMAND_SETCOLOURPARAMS; | |
681 | } else if (MATCH("saturation")) { | |
682 | if (!retval) | |
683 | val = VALUE; | |
684 | ||
685 | if (!retval) { | |
686 | if (val <= 100) | |
687 | new_params.colourParams.saturation = val; | |
688 | else | |
689 | retval = -EINVAL; | |
690 | } | |
691 | command_flags |= COMMAND_SETCOLOURPARAMS; | |
692 | } else if (MATCH("sensor_fps")) { | |
693 | if (!retval) | |
694 | val = VALUE; | |
695 | ||
696 | if (!retval) { | |
697 | /* find values so that sensorFPS is minimized, | |
698 | * but >= val */ | |
699 | if (val > 30) | |
700 | retval = -EINVAL; | |
701 | else if (val > 25) { | |
702 | new_params.sensorFps.divisor = 0; | |
703 | new_params.sensorFps.baserate = 1; | |
704 | } else if (val > 15) { | |
705 | new_params.sensorFps.divisor = 0; | |
706 | new_params.sensorFps.baserate = 0; | |
707 | } else if (val > 12) { | |
708 | new_params.sensorFps.divisor = 1; | |
709 | new_params.sensorFps.baserate = 1; | |
710 | } else if (val > 7) { | |
711 | new_params.sensorFps.divisor = 1; | |
712 | new_params.sensorFps.baserate = 0; | |
713 | } else if (val > 6) { | |
714 | new_params.sensorFps.divisor = 2; | |
715 | new_params.sensorFps.baserate = 1; | |
716 | } else if (val > 3) { | |
717 | new_params.sensorFps.divisor = 2; | |
718 | new_params.sensorFps.baserate = 0; | |
719 | } else { | |
720 | new_params.sensorFps.divisor = 3; | |
721 | /* Either base rate would work here */ | |
722 | new_params.sensorFps.baserate = 1; | |
723 | } | |
724 | new_params.flickerControl.coarseJump = | |
725 | flicker_jumps[new_mains] | |
726 | [new_params.sensorFps.baserate] | |
727 | [new_params.sensorFps.divisor]; | |
728 | if (new_params.flickerControl.flickerMode) | |
729 | command_flags |= COMMAND_SETFLICKERCTRL; | |
730 | } | |
731 | command_flags |= COMMAND_SETSENSORFPS; | |
732 | cam->exposure_status = EXPOSURE_NORMAL; | |
733 | } else if (MATCH("stream_start_line")) { | |
734 | if (!retval) | |
735 | val = VALUE; | |
736 | ||
737 | if (!retval) { | |
738 | int max_line = 288; | |
739 | ||
740 | if (new_params.format.videoSize == VIDEOSIZE_QCIF) | |
741 | max_line = 144; | |
742 | if (val <= max_line) | |
743 | new_params.streamStartLine = val/2; | |
744 | else | |
745 | retval = -EINVAL; | |
746 | } | |
747 | } else if (MATCH("sub_sample")) { | |
748 | if (!retval && MATCH("420")) | |
749 | new_params.format.subSample = SUBSAMPLE_420; | |
750 | else if (!retval && MATCH("422")) | |
751 | new_params.format.subSample = SUBSAMPLE_422; | |
752 | else | |
753 | retval = -EINVAL; | |
754 | ||
755 | command_flags |= COMMAND_SETFORMAT; | |
756 | } else if (MATCH("yuv_order")) { | |
757 | if (!retval && MATCH("YUYV")) | |
758 | new_params.format.yuvOrder = YUVORDER_YUYV; | |
759 | else if (!retval && MATCH("UYVY")) | |
760 | new_params.format.yuvOrder = YUVORDER_UYVY; | |
761 | else | |
762 | retval = -EINVAL; | |
763 | ||
764 | command_flags |= COMMAND_SETFORMAT; | |
765 | } else if (MATCH("ecp_timing")) { | |
766 | if (!retval && MATCH("normal")) | |
767 | new_params.ecpTiming = 0; | |
768 | else if (!retval && MATCH("slow")) | |
769 | new_params.ecpTiming = 1; | |
770 | else | |
771 | retval = -EINVAL; | |
772 | ||
773 | command_flags |= COMMAND_SETECPTIMING; | |
774 | } else if (MATCH("color_balance_mode")) { | |
775 | if (!retval && MATCH("manual")) | |
776 | new_params.colourBalance.balanceMode = 3; | |
777 | else if (!retval && MATCH("auto")) | |
778 | new_params.colourBalance.balanceMode = 2; | |
779 | else | |
780 | retval = -EINVAL; | |
781 | ||
782 | command_flags |= COMMAND_SETCOLOURBALANCE; | |
783 | } else if (MATCH("red_gain")) { | |
784 | if (!retval) | |
785 | val = VALUE; | |
786 | ||
787 | if (!retval) { | |
788 | if (val <= 212) { | |
789 | new_params.colourBalance.redGain = val; | |
790 | new_params.colourBalance.balanceMode = 1; | |
791 | } else | |
792 | retval = -EINVAL; | |
793 | } | |
794 | command_flags |= COMMAND_SETCOLOURBALANCE; | |
795 | } else if (MATCH("green_gain")) { | |
796 | if (!retval) | |
797 | val = VALUE; | |
798 | ||
799 | if (!retval) { | |
800 | if (val <= 212) { | |
801 | new_params.colourBalance.greenGain = val; | |
802 | new_params.colourBalance.balanceMode = 1; | |
803 | } else | |
804 | retval = -EINVAL; | |
805 | } | |
806 | command_flags |= COMMAND_SETCOLOURBALANCE; | |
807 | } else if (MATCH("blue_gain")) { | |
808 | if (!retval) | |
809 | val = VALUE; | |
810 | ||
811 | if (!retval) { | |
812 | if (val <= 212) { | |
813 | new_params.colourBalance.blueGain = val; | |
814 | new_params.colourBalance.balanceMode = 1; | |
815 | } else | |
816 | retval = -EINVAL; | |
817 | } | |
818 | command_flags |= COMMAND_SETCOLOURBALANCE; | |
819 | } else if (MATCH("max_gain")) { | |
820 | if (!retval) | |
821 | val = VALUE; | |
822 | ||
823 | if (!retval) { | |
824 | /* 1-02 firmware limits gain to 2 */ | |
825 | if (FIRMWARE_VERSION(1,2) && val > 2) | |
826 | val = 2; | |
827 | switch(val) { | |
828 | case 1: | |
829 | new_params.exposure.gainMode = 1; | |
830 | break; | |
831 | case 2: | |
832 | new_params.exposure.gainMode = 2; | |
833 | break; | |
834 | case 4: | |
835 | new_params.exposure.gainMode = 3; | |
836 | break; | |
837 | case 8: | |
838 | new_params.exposure.gainMode = 4; | |
839 | break; | |
840 | default: | |
841 | retval = -EINVAL; | |
842 | break; | |
843 | } | |
844 | } | |
845 | command_flags |= COMMAND_SETEXPOSURE; | |
846 | } else if (MATCH("exposure_mode")) { | |
847 | if (!retval && MATCH("auto")) | |
848 | new_params.exposure.expMode = 2; | |
849 | else if (!retval && MATCH("manual")) { | |
850 | if (new_params.exposure.expMode == 2) | |
851 | new_params.exposure.expMode = 3; | |
852 | if(new_params.flickerControl.flickerMode != 0) | |
853 | command_flags |= COMMAND_SETFLICKERCTRL; | |
854 | new_params.flickerControl.flickerMode = 0; | |
855 | } else | |
856 | retval = -EINVAL; | |
857 | ||
858 | command_flags |= COMMAND_SETEXPOSURE; | |
859 | } else if (MATCH("centre_weight")) { | |
860 | if (!retval && MATCH("on")) | |
861 | new_params.exposure.centreWeight = 1; | |
862 | else if (!retval && MATCH("off")) | |
863 | new_params.exposure.centreWeight = 2; | |
864 | else | |
865 | retval = -EINVAL; | |
866 | ||
867 | command_flags |= COMMAND_SETEXPOSURE; | |
868 | } else if (MATCH("gain")) { | |
869 | if (!retval) | |
870 | val = VALUE; | |
871 | ||
872 | if (!retval) { | |
873 | switch(val) { | |
874 | case 1: | |
875 | new_params.exposure.gain = 0; | |
876 | break; | |
877 | case 2: | |
878 | new_params.exposure.gain = 1; | |
879 | break; | |
880 | case 4: | |
881 | new_params.exposure.gain = 2; | |
882 | break; | |
883 | case 8: | |
884 | new_params.exposure.gain = 3; | |
885 | break; | |
886 | default: | |
887 | retval = -EINVAL; | |
888 | break; | |
889 | } | |
890 | new_params.exposure.expMode = 1; | |
891 | if(new_params.flickerControl.flickerMode != 0) | |
892 | command_flags |= COMMAND_SETFLICKERCTRL; | |
893 | new_params.flickerControl.flickerMode = 0; | |
894 | command_flags |= COMMAND_SETEXPOSURE; | |
895 | if (new_params.exposure.gain > | |
896 | new_params.exposure.gainMode-1) | |
897 | retval = -EINVAL; | |
898 | } | |
899 | } else if (MATCH("fine_exp")) { | |
900 | if (!retval) | |
901 | val = VALUE/2; | |
902 | ||
903 | if (!retval) { | |
904 | if (val < 256) { | |
905 | /* 1-02 firmware limits fineExp/2 to 127*/ | |
906 | if (FIRMWARE_VERSION(1,2) && val > 127) | |
907 | val = 127; | |
908 | new_params.exposure.fineExp = val; | |
909 | new_params.exposure.expMode = 1; | |
910 | command_flags |= COMMAND_SETEXPOSURE; | |
911 | if(new_params.flickerControl.flickerMode != 0) | |
912 | command_flags |= COMMAND_SETFLICKERCTRL; | |
913 | new_params.flickerControl.flickerMode = 0; | |
914 | command_flags |= COMMAND_SETFLICKERCTRL; | |
915 | } else | |
916 | retval = -EINVAL; | |
917 | } | |
918 | } else if (MATCH("coarse_exp")) { | |
919 | if (!retval) | |
920 | val = VALUE; | |
921 | ||
922 | if (!retval) { | |
923 | if (val <= MAX_EXP) { | |
924 | if (FIRMWARE_VERSION(1,2) && | |
925 | val > MAX_EXP_102) | |
926 | val = MAX_EXP_102; | |
927 | new_params.exposure.coarseExpLo = | |
928 | val & 0xff; | |
929 | new_params.exposure.coarseExpHi = | |
930 | val >> 8; | |
931 | new_params.exposure.expMode = 1; | |
932 | command_flags |= COMMAND_SETEXPOSURE; | |
933 | if(new_params.flickerControl.flickerMode != 0) | |
934 | command_flags |= COMMAND_SETFLICKERCTRL; | |
935 | new_params.flickerControl.flickerMode = 0; | |
936 | command_flags |= COMMAND_SETFLICKERCTRL; | |
937 | } else | |
938 | retval = -EINVAL; | |
939 | } | |
940 | } else if (MATCH("red_comp")) { | |
941 | if (!retval) | |
942 | val = VALUE; | |
943 | ||
944 | if (!retval) { | |
945 | if (val >= COMP_RED && val <= 255) { | |
946 | new_params.exposure.redComp = val; | |
947 | new_params.exposure.compMode = 1; | |
948 | command_flags |= COMMAND_SETEXPOSURE; | |
949 | } else | |
950 | retval = -EINVAL; | |
951 | } | |
952 | } else if (MATCH("green1_comp")) { | |
953 | if (!retval) | |
954 | val = VALUE; | |
955 | ||
956 | if (!retval) { | |
957 | if (val >= COMP_GREEN1 && val <= 255) { | |
958 | new_params.exposure.green1Comp = val; | |
959 | new_params.exposure.compMode = 1; | |
960 | command_flags |= COMMAND_SETEXPOSURE; | |
961 | } else | |
962 | retval = -EINVAL; | |
963 | } | |
964 | } else if (MATCH("green2_comp")) { | |
965 | if (!retval) | |
966 | val = VALUE; | |
967 | ||
968 | if (!retval) { | |
969 | if (val >= COMP_GREEN2 && val <= 255) { | |
970 | new_params.exposure.green2Comp = val; | |
971 | new_params.exposure.compMode = 1; | |
972 | command_flags |= COMMAND_SETEXPOSURE; | |
973 | } else | |
974 | retval = -EINVAL; | |
975 | } | |
976 | } else if (MATCH("blue_comp")) { | |
977 | if (!retval) | |
978 | val = VALUE; | |
979 | ||
980 | if (!retval) { | |
981 | if (val >= COMP_BLUE && val <= 255) { | |
982 | new_params.exposure.blueComp = val; | |
983 | new_params.exposure.compMode = 1; | |
984 | command_flags |= COMMAND_SETEXPOSURE; | |
985 | } else | |
986 | retval = -EINVAL; | |
987 | } | |
988 | } else if (MATCH("apcor_gain1")) { | |
989 | if (!retval) | |
990 | val = VALUE; | |
991 | ||
992 | if (!retval) { | |
993 | command_flags |= COMMAND_SETAPCOR; | |
994 | if (val <= 0xff) | |
995 | new_params.apcor.gain1 = val; | |
996 | else | |
997 | retval = -EINVAL; | |
998 | } | |
999 | } else if (MATCH("apcor_gain2")) { | |
1000 | if (!retval) | |
1001 | val = VALUE; | |
1002 | ||
1003 | if (!retval) { | |
1004 | command_flags |= COMMAND_SETAPCOR; | |
1005 | if (val <= 0xff) | |
1006 | new_params.apcor.gain2 = val; | |
1007 | else | |
1008 | retval = -EINVAL; | |
1009 | } | |
1010 | } else if (MATCH("apcor_gain4")) { | |
1011 | if (!retval) | |
1012 | val = VALUE; | |
1013 | ||
1014 | if (!retval) { | |
1015 | command_flags |= COMMAND_SETAPCOR; | |
1016 | if (val <= 0xff) | |
1017 | new_params.apcor.gain4 = val; | |
1018 | else | |
1019 | retval = -EINVAL; | |
1020 | } | |
1021 | } else if (MATCH("apcor_gain8")) { | |
1022 | if (!retval) | |
1023 | val = VALUE; | |
1024 | ||
1025 | if (!retval) { | |
1026 | command_flags |= COMMAND_SETAPCOR; | |
1027 | if (val <= 0xff) | |
1028 | new_params.apcor.gain8 = val; | |
1029 | else | |
1030 | retval = -EINVAL; | |
1031 | } | |
1032 | } else if (MATCH("vl_offset_gain1")) { | |
1033 | if (!retval) | |
1034 | val = VALUE; | |
1035 | ||
1036 | if (!retval) { | |
1037 | if (val <= 0xff) | |
1038 | new_params.vlOffset.gain1 = val; | |
1039 | else | |
1040 | retval = -EINVAL; | |
1041 | } | |
1042 | command_flags |= COMMAND_SETVLOFFSET; | |
1043 | } else if (MATCH("vl_offset_gain2")) { | |
1044 | if (!retval) | |
1045 | val = VALUE; | |
1046 | ||
1047 | if (!retval) { | |
1048 | if (val <= 0xff) | |
1049 | new_params.vlOffset.gain2 = val; | |
1050 | else | |
1051 | retval = -EINVAL; | |
1052 | } | |
1053 | command_flags |= COMMAND_SETVLOFFSET; | |
1054 | } else if (MATCH("vl_offset_gain4")) { | |
1055 | if (!retval) | |
1056 | val = VALUE; | |
1057 | ||
1058 | if (!retval) { | |
1059 | if (val <= 0xff) | |
1060 | new_params.vlOffset.gain4 = val; | |
1061 | else | |
1062 | retval = -EINVAL; | |
1063 | } | |
1064 | command_flags |= COMMAND_SETVLOFFSET; | |
1065 | } else if (MATCH("vl_offset_gain8")) { | |
1066 | if (!retval) | |
1067 | val = VALUE; | |
1068 | ||
1069 | if (!retval) { | |
1070 | if (val <= 0xff) | |
1071 | new_params.vlOffset.gain8 = val; | |
1072 | else | |
1073 | retval = -EINVAL; | |
1074 | } | |
1075 | command_flags |= COMMAND_SETVLOFFSET; | |
1076 | } else if (MATCH("flicker_control")) { | |
1077 | if (!retval && MATCH("on")) { | |
1078 | set_flicker(&new_params, &command_flags, 1); | |
1079 | } else if (!retval && MATCH("off")) { | |
1080 | set_flicker(&new_params, &command_flags, 0); | |
1081 | } else | |
1082 | retval = -EINVAL; | |
1083 | ||
1084 | command_flags |= COMMAND_SETFLICKERCTRL; | |
1085 | } else if (MATCH("mains_frequency")) { | |
1086 | if (!retval && MATCH("50")) { | |
1087 | new_mains = 0; | |
1088 | new_params.flickerControl.coarseJump = | |
1089 | flicker_jumps[new_mains] | |
1090 | [new_params.sensorFps.baserate] | |
1091 | [new_params.sensorFps.divisor]; | |
1092 | if (new_params.flickerControl.flickerMode) | |
1093 | command_flags |= COMMAND_SETFLICKERCTRL; | |
1094 | } else if (!retval && MATCH("60")) { | |
1095 | new_mains = 1; | |
1096 | new_params.flickerControl.coarseJump = | |
1097 | flicker_jumps[new_mains] | |
1098 | [new_params.sensorFps.baserate] | |
1099 | [new_params.sensorFps.divisor]; | |
1100 | if (new_params.flickerControl.flickerMode) | |
1101 | command_flags |= COMMAND_SETFLICKERCTRL; | |
1102 | } else | |
1103 | retval = -EINVAL; | |
1104 | } else if (MATCH("allowable_overexposure")) { | |
1105 | if (!retval && MATCH("auto")) { | |
1106 | new_params.flickerControl.allowableOverExposure = | |
1107 | -find_over_exposure(new_params.colourParams.brightness); | |
1108 | if(new_params.flickerControl.flickerMode != 0) | |
1109 | command_flags |= COMMAND_SETFLICKERCTRL; | |
1110 | } else { | |
1111 | if (!retval) | |
1112 | val = VALUE; | |
1113 | ||
1114 | if (!retval) { | |
1115 | if (val <= 0xff) { | |
1116 | new_params.flickerControl. | |
1117 | allowableOverExposure = val; | |
1118 | if(new_params.flickerControl.flickerMode != 0) | |
1119 | command_flags |= COMMAND_SETFLICKERCTRL; | |
1120 | } else | |
1121 | retval = -EINVAL; | |
1122 | } | |
1123 | } | |
1124 | } else if (MATCH("compression_mode")) { | |
1125 | if (!retval && MATCH("none")) | |
1126 | new_params.compression.mode = | |
1127 | CPIA_COMPRESSION_NONE; | |
1128 | else if (!retval && MATCH("auto")) | |
1129 | new_params.compression.mode = | |
1130 | CPIA_COMPRESSION_AUTO; | |
1131 | else if (!retval && MATCH("manual")) | |
1132 | new_params.compression.mode = | |
1133 | CPIA_COMPRESSION_MANUAL; | |
1134 | else | |
1135 | retval = -EINVAL; | |
1136 | ||
1137 | command_flags |= COMMAND_SETCOMPRESSION; | |
1138 | } else if (MATCH("decimation_enable")) { | |
1139 | if (!retval && MATCH("off")) | |
1140 | new_params.compression.decimation = 0; | |
1141 | else if (!retval && MATCH("on")) | |
1142 | new_params.compression.decimation = 1; | |
1143 | else | |
1144 | retval = -EINVAL; | |
1145 | ||
1146 | command_flags |= COMMAND_SETCOMPRESSION; | |
1147 | } else if (MATCH("compression_target")) { | |
1148 | if (!retval && MATCH("quality")) | |
1149 | new_params.compressionTarget.frTargeting = | |
1150 | CPIA_COMPRESSION_TARGET_QUALITY; | |
1151 | else if (!retval && MATCH("framerate")) | |
1152 | new_params.compressionTarget.frTargeting = | |
1153 | CPIA_COMPRESSION_TARGET_FRAMERATE; | |
1154 | else | |
1155 | retval = -EINVAL; | |
1156 | ||
1157 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; | |
1158 | } else if (MATCH("target_framerate")) { | |
1159 | if (!retval) | |
1160 | val = VALUE; | |
1161 | ||
1162 | if (!retval) { | |
1163 | if(val > 0 && val <= 30) | |
1164 | new_params.compressionTarget.targetFR = val; | |
1165 | else | |
1166 | retval = -EINVAL; | |
1167 | } | |
1168 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; | |
1169 | } else if (MATCH("target_quality")) { | |
1170 | if (!retval) | |
1171 | val = VALUE; | |
1172 | ||
1173 | if (!retval) { | |
1174 | if(val > 0 && val <= 64) | |
1175 | new_params.compressionTarget.targetQ = val; | |
1176 | else | |
1177 | retval = -EINVAL; | |
1178 | } | |
1179 | command_flags |= COMMAND_SETCOMPRESSIONTARGET; | |
1180 | } else if (MATCH("y_threshold")) { | |
1181 | if (!retval) | |
1182 | val = VALUE; | |
1183 | ||
1184 | if (!retval) { | |
1185 | if (val < 32) | |
1186 | new_params.yuvThreshold.yThreshold = val; | |
1187 | else | |
1188 | retval = -EINVAL; | |
1189 | } | |
1190 | command_flags |= COMMAND_SETYUVTHRESH; | |
1191 | } else if (MATCH("uv_threshold")) { | |
1192 | if (!retval) | |
1193 | val = VALUE; | |
1194 | ||
1195 | if (!retval) { | |
1196 | if (val < 32) | |
1197 | new_params.yuvThreshold.uvThreshold = val; | |
1198 | else | |
1199 | retval = -EINVAL; | |
1200 | } | |
1201 | command_flags |= COMMAND_SETYUVTHRESH; | |
1202 | } else if (MATCH("hysteresis")) { | |
1203 | if (!retval) | |
1204 | val = VALUE; | |
1205 | ||
1206 | if (!retval) { | |
1207 | if (val <= 0xff) | |
1208 | new_params.compressionParams.hysteresis = val; | |
1209 | else | |
1210 | retval = -EINVAL; | |
1211 | } | |
1212 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1213 | } else if (MATCH("threshold_max")) { | |
1214 | if (!retval) | |
1215 | val = VALUE; | |
1216 | ||
1217 | if (!retval) { | |
1218 | if (val <= 0xff) | |
1219 | new_params.compressionParams.threshMax = val; | |
1220 | else | |
1221 | retval = -EINVAL; | |
1222 | } | |
1223 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1224 | } else if (MATCH("small_step")) { | |
1225 | if (!retval) | |
1226 | val = VALUE; | |
1227 | ||
1228 | if (!retval) { | |
1229 | if (val <= 0xff) | |
1230 | new_params.compressionParams.smallStep = val; | |
1231 | else | |
1232 | retval = -EINVAL; | |
1233 | } | |
1234 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1235 | } else if (MATCH("large_step")) { | |
1236 | if (!retval) | |
1237 | val = VALUE; | |
1238 | ||
1239 | if (!retval) { | |
1240 | if (val <= 0xff) | |
1241 | new_params.compressionParams.largeStep = val; | |
1242 | else | |
1243 | retval = -EINVAL; | |
1244 | } | |
1245 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1246 | } else if (MATCH("decimation_hysteresis")) { | |
1247 | if (!retval) | |
1248 | val = VALUE; | |
1249 | ||
1250 | if (!retval) { | |
1251 | if (val <= 0xff) | |
1252 | new_params.compressionParams.decimationHysteresis = val; | |
1253 | else | |
1254 | retval = -EINVAL; | |
1255 | } | |
1256 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1257 | } else if (MATCH("fr_diff_step_thresh")) { | |
1258 | if (!retval) | |
1259 | val = VALUE; | |
1260 | ||
1261 | if (!retval) { | |
1262 | if (val <= 0xff) | |
1263 | new_params.compressionParams.frDiffStepThresh = val; | |
1264 | else | |
1265 | retval = -EINVAL; | |
1266 | } | |
1267 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1268 | } else if (MATCH("q_diff_step_thresh")) { | |
1269 | if (!retval) | |
1270 | val = VALUE; | |
1271 | ||
1272 | if (!retval) { | |
1273 | if (val <= 0xff) | |
1274 | new_params.compressionParams.qDiffStepThresh = val; | |
1275 | else | |
1276 | retval = -EINVAL; | |
1277 | } | |
1278 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1279 | } else if (MATCH("decimation_thresh_mod")) { | |
1280 | if (!retval) | |
1281 | val = VALUE; | |
1282 | ||
1283 | if (!retval) { | |
1284 | if (val <= 0xff) | |
1285 | new_params.compressionParams.decimationThreshMod = val; | |
1286 | else | |
1287 | retval = -EINVAL; | |
1288 | } | |
1289 | command_flags |= COMMAND_SETCOMPRESSIONPARAMS; | |
1290 | } else if (MATCH("toplight")) { | |
1291 | if (!retval && MATCH("on")) | |
1292 | new_params.qx3.toplight = 1; | |
1293 | else if (!retval && MATCH("off")) | |
1294 | new_params.qx3.toplight = 0; | |
1295 | else | |
1296 | retval = -EINVAL; | |
1297 | command_flags |= COMMAND_SETLIGHTS; | |
1298 | } else if (MATCH("bottomlight")) { | |
1299 | if (!retval && MATCH("on")) | |
1300 | new_params.qx3.bottomlight = 1; | |
1301 | else if (!retval && MATCH("off")) | |
1302 | new_params.qx3.bottomlight = 0; | |
1303 | else | |
1304 | retval = -EINVAL; | |
1305 | command_flags |= COMMAND_SETLIGHTS; | |
1306 | } else { | |
1307 | DBG("No match found\n"); | |
1308 | retval = -EINVAL; | |
1309 | } | |
1310 | ||
1311 | if (!retval) { | |
1312 | while (count && isspace(*buffer) && *buffer != '\n') { | |
1313 | --count; | |
1314 | ++buffer; | |
1315 | } | |
1316 | if (count) { | |
1317 | if (*buffer == '\0' && count != 1) | |
1318 | retval = -EINVAL; | |
1319 | else if (*buffer != '\n' && *buffer != ';' && | |
1320 | *buffer != '\0') | |
1321 | retval = -EINVAL; | |
1322 | else { | |
1323 | --count; | |
1324 | ++buffer; | |
1325 | } | |
1326 | } | |
1327 | } | |
1328 | } | |
1329 | #undef MATCH | |
1330 | #undef VALUE | |
1331 | #undef FIRMWARE_VERSION | |
1332 | if (!retval) { | |
1333 | if (command_flags & COMMAND_SETCOLOURPARAMS) { | |
1334 | /* Adjust cam->vp to reflect these changes */ | |
1335 | cam->vp.brightness = | |
1336 | new_params.colourParams.brightness*65535/100; | |
1337 | cam->vp.contrast = | |
1338 | new_params.colourParams.contrast*65535/100; | |
1339 | cam->vp.colour = | |
1340 | new_params.colourParams.saturation*65535/100; | |
1341 | } | |
1342 | if((command_flags & COMMAND_SETEXPOSURE) && | |
1343 | new_params.exposure.expMode == 2) | |
1344 | cam->exposure_status = EXPOSURE_NORMAL; | |
1345 | ||
1346 | memcpy(&cam->params, &new_params, sizeof(struct cam_params)); | |
1347 | cam->mainsFreq = new_mains; | |
1348 | cam->cmd_queue |= command_flags; | |
1349 | retval = size; | |
1350 | } else | |
1351 | DBG("error: %d\n", retval); | |
1352 | ||
3593cab5 | 1353 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
1354 | |
1355 | out: | |
1356 | free_page((unsigned long)page); | |
1357 | return retval; | |
1358 | } | |
1359 | ||
1360 | static void create_proc_cpia_cam(struct cam_data *cam) | |
1361 | { | |
1362 | char name[7]; | |
1363 | struct proc_dir_entry *ent; | |
1364 | ||
1365 | if (!cpia_proc_root || !cam) | |
1366 | return; | |
1367 | ||
1368 | sprintf(name, "video%d", cam->vdev.minor); | |
1369 | ||
1370 | ent = create_proc_entry(name, S_IFREG|S_IRUGO|S_IWUSR, cpia_proc_root); | |
1371 | if (!ent) | |
1372 | return; | |
1373 | ||
1374 | ent->data = cam; | |
1375 | ent->read_proc = cpia_read_proc; | |
1376 | ent->write_proc = cpia_write_proc; | |
1377 | /* | |
1378 | size of the proc entry is 3736 bytes for the standard webcam; | |
1379 | the extra features of the QX3 microscope add 189 bytes. | |
1380 | (we have not yet probed the camera to see which type it is). | |
1381 | */ | |
1382 | ent->size = 3736 + 189; | |
1383 | cam->proc_entry = ent; | |
1384 | } | |
1385 | ||
1386 | static void destroy_proc_cpia_cam(struct cam_data *cam) | |
1387 | { | |
1388 | char name[7]; | |
1389 | ||
1390 | if (!cam || !cam->proc_entry) | |
1391 | return; | |
1392 | ||
1393 | sprintf(name, "video%d", cam->vdev.minor); | |
1394 | remove_proc_entry(name, cpia_proc_root); | |
1395 | cam->proc_entry = NULL; | |
1396 | } | |
1397 | ||
1398 | static void proc_cpia_create(void) | |
1399 | { | |
66600221 | 1400 | cpia_proc_root = proc_mkdir("cpia", NULL); |
1da177e4 LT |
1401 | |
1402 | if (cpia_proc_root) | |
1403 | cpia_proc_root->owner = THIS_MODULE; | |
1404 | else | |
1405 | LOG("Unable to initialise /proc/cpia\n"); | |
1406 | } | |
1407 | ||
1408 | static void __exit proc_cpia_destroy(void) | |
1409 | { | |
1410 | remove_proc_entry("cpia", NULL); | |
1411 | } | |
1412 | #endif /* CONFIG_PROC_FS */ | |
1413 | ||
1414 | /* ----------------------- debug functions ---------------------- */ | |
1415 | ||
1416 | #define printstatus(cam) \ | |
1417 | DBG("%02x %02x %02x %02x %02x %02x %02x %02x\n",\ | |
1418 | cam->params.status.systemState, cam->params.status.grabState, \ | |
1419 | cam->params.status.streamState, cam->params.status.fatalError, \ | |
1420 | cam->params.status.cmdError, cam->params.status.debugFlags, \ | |
1421 | cam->params.status.vpStatus, cam->params.status.errorCode); | |
1422 | ||
1423 | /* ----------------------- v4l helpers -------------------------- */ | |
1424 | ||
1425 | /* supported frame palettes and depths */ | |
1426 | static inline int valid_mode(u16 palette, u16 depth) | |
1427 | { | |
1428 | if ((palette == VIDEO_PALETTE_YUV422 && depth == 16) || | |
1429 | (palette == VIDEO_PALETTE_YUYV && depth == 16)) | |
1430 | return 1; | |
1431 | ||
1432 | if (colorspace_conv) | |
1433 | return (palette == VIDEO_PALETTE_GREY && depth == 8) || | |
1434 | (palette == VIDEO_PALETTE_RGB555 && depth == 16) || | |
1435 | (palette == VIDEO_PALETTE_RGB565 && depth == 16) || | |
1436 | (palette == VIDEO_PALETTE_RGB24 && depth == 24) || | |
1437 | (palette == VIDEO_PALETTE_RGB32 && depth == 32) || | |
1438 | (palette == VIDEO_PALETTE_UYVY && depth == 16); | |
1439 | ||
1440 | return 0; | |
1441 | } | |
1442 | ||
1443 | static int match_videosize( int width, int height ) | |
1444 | { | |
1445 | /* return the best match, where 'best' is as always | |
1446 | * the largest that is not bigger than what is requested. */ | |
1447 | if (width>=352 && height>=288) | |
1448 | return VIDEOSIZE_352_288; /* CIF */ | |
1449 | ||
1450 | if (width>=320 && height>=240) | |
1451 | return VIDEOSIZE_320_240; /* SIF */ | |
1452 | ||
1453 | if (width>=288 && height>=216) | |
1454 | return VIDEOSIZE_288_216; | |
1455 | ||
1456 | if (width>=256 && height>=192) | |
1457 | return VIDEOSIZE_256_192; | |
1458 | ||
1459 | if (width>=224 && height>=168) | |
1460 | return VIDEOSIZE_224_168; | |
1461 | ||
1462 | if (width>=192 && height>=144) | |
1463 | return VIDEOSIZE_192_144; | |
1464 | ||
1465 | if (width>=176 && height>=144) | |
1466 | return VIDEOSIZE_176_144; /* QCIF */ | |
1467 | ||
1468 | if (width>=160 && height>=120) | |
1469 | return VIDEOSIZE_160_120; /* QSIF */ | |
1470 | ||
1471 | if (width>=128 && height>=96) | |
1472 | return VIDEOSIZE_128_96; | |
1473 | ||
1474 | if (width>=88 && height>=72) | |
1475 | return VIDEOSIZE_88_72; | |
1476 | ||
1477 | if (width>=64 && height>=48) | |
1478 | return VIDEOSIZE_64_48; | |
1479 | ||
1480 | if (width>=48 && height>=48) | |
1481 | return VIDEOSIZE_48_48; | |
1482 | ||
1483 | return -1; | |
1484 | } | |
1485 | ||
1486 | /* these are the capture sizes we support */ | |
1487 | static void set_vw_size(struct cam_data *cam) | |
1488 | { | |
1489 | /* the col/row/start/end values are the result of simple math */ | |
1490 | /* study the SetROI-command in cpia developers guide p 2-22 */ | |
1491 | /* streamStartLine is set to the recommended value in the cpia */ | |
1492 | /* developers guide p 3-37 */ | |
1493 | switch(cam->video_size) { | |
1494 | case VIDEOSIZE_CIF: | |
1495 | cam->vw.width = 352; | |
1496 | cam->vw.height = 288; | |
1497 | cam->params.format.videoSize=VIDEOSIZE_CIF; | |
1498 | cam->params.roi.colStart=0; | |
1499 | cam->params.roi.rowStart=0; | |
1500 | cam->params.streamStartLine = 120; | |
1501 | break; | |
1502 | case VIDEOSIZE_SIF: | |
1503 | cam->vw.width = 320; | |
1504 | cam->vw.height = 240; | |
1505 | cam->params.format.videoSize=VIDEOSIZE_CIF; | |
1506 | cam->params.roi.colStart=2; | |
1507 | cam->params.roi.rowStart=6; | |
1508 | cam->params.streamStartLine = 120; | |
1509 | break; | |
1510 | case VIDEOSIZE_288_216: | |
1511 | cam->vw.width = 288; | |
1512 | cam->vw.height = 216; | |
1513 | cam->params.format.videoSize=VIDEOSIZE_CIF; | |
1514 | cam->params.roi.colStart=4; | |
1515 | cam->params.roi.rowStart=9; | |
1516 | cam->params.streamStartLine = 120; | |
1517 | break; | |
1518 | case VIDEOSIZE_256_192: | |
1519 | cam->vw.width = 256; | |
1520 | cam->vw.height = 192; | |
1521 | cam->params.format.videoSize=VIDEOSIZE_CIF; | |
1522 | cam->params.roi.colStart=6; | |
1523 | cam->params.roi.rowStart=12; | |
1524 | cam->params.streamStartLine = 120; | |
1525 | break; | |
1526 | case VIDEOSIZE_224_168: | |
1527 | cam->vw.width = 224; | |
1528 | cam->vw.height = 168; | |
1529 | cam->params.format.videoSize=VIDEOSIZE_CIF; | |
1530 | cam->params.roi.colStart=8; | |
1531 | cam->params.roi.rowStart=15; | |
1532 | cam->params.streamStartLine = 120; | |
1533 | break; | |
1534 | case VIDEOSIZE_192_144: | |
1535 | cam->vw.width = 192; | |
1536 | cam->vw.height = 144; | |
1537 | cam->params.format.videoSize=VIDEOSIZE_CIF; | |
1538 | cam->params.roi.colStart=10; | |
1539 | cam->params.roi.rowStart=18; | |
1540 | cam->params.streamStartLine = 120; | |
1541 | break; | |
1542 | case VIDEOSIZE_QCIF: | |
1543 | cam->vw.width = 176; | |
1544 | cam->vw.height = 144; | |
1545 | cam->params.format.videoSize=VIDEOSIZE_QCIF; | |
1546 | cam->params.roi.colStart=0; | |
1547 | cam->params.roi.rowStart=0; | |
1548 | cam->params.streamStartLine = 60; | |
1549 | break; | |
1550 | case VIDEOSIZE_QSIF: | |
1551 | cam->vw.width = 160; | |
1552 | cam->vw.height = 120; | |
1553 | cam->params.format.videoSize=VIDEOSIZE_QCIF; | |
1554 | cam->params.roi.colStart=1; | |
1555 | cam->params.roi.rowStart=3; | |
1556 | cam->params.streamStartLine = 60; | |
1557 | break; | |
1558 | case VIDEOSIZE_128_96: | |
1559 | cam->vw.width = 128; | |
1560 | cam->vw.height = 96; | |
1561 | cam->params.format.videoSize=VIDEOSIZE_QCIF; | |
1562 | cam->params.roi.colStart=3; | |
1563 | cam->params.roi.rowStart=6; | |
1564 | cam->params.streamStartLine = 60; | |
1565 | break; | |
1566 | case VIDEOSIZE_88_72: | |
1567 | cam->vw.width = 88; | |
1568 | cam->vw.height = 72; | |
1569 | cam->params.format.videoSize=VIDEOSIZE_QCIF; | |
1570 | cam->params.roi.colStart=5; | |
1571 | cam->params.roi.rowStart=9; | |
1572 | cam->params.streamStartLine = 60; | |
1573 | break; | |
1574 | case VIDEOSIZE_64_48: | |
1575 | cam->vw.width = 64; | |
1576 | cam->vw.height = 48; | |
1577 | cam->params.format.videoSize=VIDEOSIZE_QCIF; | |
1578 | cam->params.roi.colStart=7; | |
1579 | cam->params.roi.rowStart=12; | |
1580 | cam->params.streamStartLine = 60; | |
1581 | break; | |
1582 | case VIDEOSIZE_48_48: | |
1583 | cam->vw.width = 48; | |
1584 | cam->vw.height = 48; | |
1585 | cam->params.format.videoSize=VIDEOSIZE_QCIF; | |
1586 | cam->params.roi.colStart=8; | |
1587 | cam->params.roi.rowStart=6; | |
1588 | cam->params.streamStartLine = 60; | |
1589 | break; | |
1590 | default: | |
1591 | LOG("bad videosize value: %d\n", cam->video_size); | |
1592 | return; | |
1593 | } | |
1594 | ||
1595 | if(cam->vc.width == 0) | |
1596 | cam->vc.width = cam->vw.width; | |
1597 | if(cam->vc.height == 0) | |
1598 | cam->vc.height = cam->vw.height; | |
1599 | ||
1600 | cam->params.roi.colStart += cam->vc.x >> 3; | |
1601 | cam->params.roi.colEnd = cam->params.roi.colStart + | |
1602 | (cam->vc.width >> 3); | |
1603 | cam->params.roi.rowStart += cam->vc.y >> 2; | |
1604 | cam->params.roi.rowEnd = cam->params.roi.rowStart + | |
1605 | (cam->vc.height >> 2); | |
1606 | ||
1607 | return; | |
1608 | } | |
1609 | ||
1610 | static int allocate_frame_buf(struct cam_data *cam) | |
1611 | { | |
1612 | int i; | |
1613 | ||
1614 | cam->frame_buf = rvmalloc(FRAME_NUM * CPIA_MAX_FRAME_SIZE); | |
1615 | if (!cam->frame_buf) | |
1616 | return -ENOBUFS; | |
1617 | ||
1618 | for (i = 0; i < FRAME_NUM; i++) | |
1619 | cam->frame[i].data = cam->frame_buf + i * CPIA_MAX_FRAME_SIZE; | |
1620 | ||
1621 | return 0; | |
1622 | } | |
1623 | ||
1624 | static int free_frame_buf(struct cam_data *cam) | |
1625 | { | |
1626 | int i; | |
1627 | ||
1628 | rvfree(cam->frame_buf, FRAME_NUM*CPIA_MAX_FRAME_SIZE); | |
1629 | cam->frame_buf = NULL; | |
1630 | for (i=0; i < FRAME_NUM; i++) | |
1631 | cam->frame[i].data = NULL; | |
1632 | ||
1633 | return 0; | |
1634 | } | |
1635 | ||
1636 | ||
1637 | static inline void free_frames(struct cpia_frame frame[FRAME_NUM]) | |
1638 | { | |
1639 | int i; | |
1640 | ||
1641 | for (i=0; i < FRAME_NUM; i++) | |
1642 | frame[i].state = FRAME_UNUSED; | |
1643 | return; | |
1644 | } | |
1645 | ||
1646 | /********************************************************************** | |
1647 | * | |
1648 | * General functions | |
1649 | * | |
1650 | **********************************************************************/ | |
1651 | /* send an arbitrary command to the camera */ | |
1652 | static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d) | |
1653 | { | |
1654 | int retval, datasize; | |
1655 | u8 cmd[8], data[8]; | |
1656 | ||
1657 | switch(command) { | |
1658 | case CPIA_COMMAND_GetCPIAVersion: | |
1659 | case CPIA_COMMAND_GetPnPID: | |
1660 | case CPIA_COMMAND_GetCameraStatus: | |
1661 | case CPIA_COMMAND_GetVPVersion: | |
1662 | datasize=8; | |
1663 | break; | |
1664 | case CPIA_COMMAND_GetColourParams: | |
1665 | case CPIA_COMMAND_GetColourBalance: | |
1666 | case CPIA_COMMAND_GetExposure: | |
3593cab5 | 1667 | mutex_lock(&cam->param_lock); |
1da177e4 LT |
1668 | datasize=8; |
1669 | break; | |
1670 | case CPIA_COMMAND_ReadMCPorts: | |
1671 | case CPIA_COMMAND_ReadVCRegs: | |
1672 | datasize = 4; | |
1673 | break; | |
1674 | default: | |
1675 | datasize=0; | |
1676 | break; | |
1677 | } | |
1678 | ||
1679 | cmd[0] = command>>8; | |
1680 | cmd[1] = command&0xff; | |
1681 | cmd[2] = a; | |
1682 | cmd[3] = b; | |
1683 | cmd[4] = c; | |
1684 | cmd[5] = d; | |
1685 | cmd[6] = datasize; | |
1686 | cmd[7] = 0; | |
1687 | ||
1688 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); | |
1689 | if (retval) { | |
1690 | DBG("%x - failed, retval=%d\n", command, retval); | |
1691 | if (command == CPIA_COMMAND_GetColourParams || | |
1692 | command == CPIA_COMMAND_GetColourBalance || | |
1693 | command == CPIA_COMMAND_GetExposure) | |
3593cab5 | 1694 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
1695 | } else { |
1696 | switch(command) { | |
1697 | case CPIA_COMMAND_GetCPIAVersion: | |
1698 | cam->params.version.firmwareVersion = data[0]; | |
1699 | cam->params.version.firmwareRevision = data[1]; | |
1700 | cam->params.version.vcVersion = data[2]; | |
1701 | cam->params.version.vcRevision = data[3]; | |
1702 | break; | |
1703 | case CPIA_COMMAND_GetPnPID: | |
1704 | cam->params.pnpID.vendor = data[0]+(((u16)data[1])<<8); | |
1705 | cam->params.pnpID.product = data[2]+(((u16)data[3])<<8); | |
1706 | cam->params.pnpID.deviceRevision = | |
1707 | data[4]+(((u16)data[5])<<8); | |
1708 | break; | |
1709 | case CPIA_COMMAND_GetCameraStatus: | |
1710 | cam->params.status.systemState = data[0]; | |
1711 | cam->params.status.grabState = data[1]; | |
1712 | cam->params.status.streamState = data[2]; | |
1713 | cam->params.status.fatalError = data[3]; | |
1714 | cam->params.status.cmdError = data[4]; | |
1715 | cam->params.status.debugFlags = data[5]; | |
1716 | cam->params.status.vpStatus = data[6]; | |
1717 | cam->params.status.errorCode = data[7]; | |
1718 | break; | |
1719 | case CPIA_COMMAND_GetVPVersion: | |
1720 | cam->params.vpVersion.vpVersion = data[0]; | |
1721 | cam->params.vpVersion.vpRevision = data[1]; | |
1722 | cam->params.vpVersion.cameraHeadID = | |
1723 | data[2]+(((u16)data[3])<<8); | |
1724 | break; | |
1725 | case CPIA_COMMAND_GetColourParams: | |
1726 | cam->params.colourParams.brightness = data[0]; | |
1727 | cam->params.colourParams.contrast = data[1]; | |
1728 | cam->params.colourParams.saturation = data[2]; | |
3593cab5 | 1729 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
1730 | break; |
1731 | case CPIA_COMMAND_GetColourBalance: | |
1732 | cam->params.colourBalance.redGain = data[0]; | |
1733 | cam->params.colourBalance.greenGain = data[1]; | |
1734 | cam->params.colourBalance.blueGain = data[2]; | |
3593cab5 | 1735 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
1736 | break; |
1737 | case CPIA_COMMAND_GetExposure: | |
1738 | cam->params.exposure.gain = data[0]; | |
1739 | cam->params.exposure.fineExp = data[1]; | |
1740 | cam->params.exposure.coarseExpLo = data[2]; | |
1741 | cam->params.exposure.coarseExpHi = data[3]; | |
1742 | cam->params.exposure.redComp = data[4]; | |
1743 | cam->params.exposure.green1Comp = data[5]; | |
1744 | cam->params.exposure.green2Comp = data[6]; | |
1745 | cam->params.exposure.blueComp = data[7]; | |
3593cab5 | 1746 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
1747 | break; |
1748 | ||
1749 | case CPIA_COMMAND_ReadMCPorts: | |
1750 | if (!cam->params.qx3.qx3_detected) | |
1751 | break; | |
1752 | /* test button press */ | |
1753 | cam->params.qx3.button = ((data[1] & 0x02) == 0); | |
1754 | if (cam->params.qx3.button) { | |
1755 | /* button pressed - unlock the latch */ | |
1756 | do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xDF,0xDF,0); | |
1757 | do_command(cam,CPIA_COMMAND_WriteMCPort,3,0xFF,0xFF,0); | |
1758 | } | |
1759 | ||
1760 | /* test whether microscope is cradled */ | |
1761 | cam->params.qx3.cradled = ((data[2] & 0x40) == 0); | |
1762 | break; | |
1763 | ||
1764 | default: | |
1765 | break; | |
1766 | } | |
1767 | } | |
1768 | return retval; | |
1769 | } | |
1770 | ||
1771 | /* send a command to the camera with an additional data transaction */ | |
1772 | static int do_command_extended(struct cam_data *cam, u16 command, | |
1773 | u8 a, u8 b, u8 c, u8 d, | |
1774 | u8 e, u8 f, u8 g, u8 h, | |
1775 | u8 i, u8 j, u8 k, u8 l) | |
1776 | { | |
1777 | int retval; | |
1778 | u8 cmd[8], data[8]; | |
1779 | ||
1780 | cmd[0] = command>>8; | |
1781 | cmd[1] = command&0xff; | |
1782 | cmd[2] = a; | |
1783 | cmd[3] = b; | |
1784 | cmd[4] = c; | |
1785 | cmd[5] = d; | |
1786 | cmd[6] = 8; | |
1787 | cmd[7] = 0; | |
1788 | data[0] = e; | |
1789 | data[1] = f; | |
1790 | data[2] = g; | |
1791 | data[3] = h; | |
1792 | data[4] = i; | |
1793 | data[5] = j; | |
1794 | data[6] = k; | |
1795 | data[7] = l; | |
1796 | ||
1797 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); | |
1798 | if (retval) | |
1799 | DBG("%x - failed\n", command); | |
1800 | ||
1801 | return retval; | |
1802 | } | |
1803 | ||
1804 | /********************************************************************** | |
1805 | * | |
1806 | * Colorspace conversion | |
1807 | * | |
1808 | **********************************************************************/ | |
1809 | #define LIMIT(x) ((((x)>0xffffff)?0xff0000:(((x)<=0xffff)?0:(x)&0xff0000))>>16) | |
1810 | ||
1811 | static int convert420(unsigned char *yuv, unsigned char *rgb, int out_fmt, | |
1812 | int linesize, int mmap_kludge) | |
1813 | { | |
1814 | int y, u, v, r, g, b, y1; | |
1815 | ||
1816 | /* Odd lines use the same u and v as the previous line. | |
1817 | * Because of compression, it is necessary to get this | |
1818 | * information from the decoded image. */ | |
1819 | switch(out_fmt) { | |
1820 | case VIDEO_PALETTE_RGB555: | |
1821 | y = (*yuv++ - 16) * 76310; | |
1822 | y1 = (*yuv - 16) * 76310; | |
1823 | r = ((*(rgb+1-linesize)) & 0x7c) << 1; | |
1824 | g = ((*(rgb-linesize)) & 0xe0) >> 4 | | |
1825 | ((*(rgb+1-linesize)) & 0x03) << 6; | |
1826 | b = ((*(rgb-linesize)) & 0x1f) << 3; | |
1827 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; | |
1828 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; | |
1829 | r = 104635 * v; | |
1830 | g = -25690 * u - 53294 * v; | |
1831 | b = 132278 * u; | |
1832 | *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); | |
1833 | *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); | |
1834 | *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); | |
1835 | *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); | |
1836 | return 4; | |
1837 | case VIDEO_PALETTE_RGB565: | |
1838 | y = (*yuv++ - 16) * 76310; | |
1839 | y1 = (*yuv - 16) * 76310; | |
1840 | r = (*(rgb+1-linesize)) & 0xf8; | |
1841 | g = ((*(rgb-linesize)) & 0xe0) >> 3 | | |
1842 | ((*(rgb+1-linesize)) & 0x07) << 5; | |
1843 | b = ((*(rgb-linesize)) & 0x1f) << 3; | |
1844 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; | |
1845 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; | |
1846 | r = 104635 * v; | |
1847 | g = -25690 * u - 53294 * v; | |
1848 | b = 132278 * u; | |
1849 | *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); | |
1850 | *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); | |
1851 | *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); | |
1852 | *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); | |
1853 | return 4; | |
1854 | break; | |
1855 | case VIDEO_PALETTE_RGB24: | |
1856 | case VIDEO_PALETTE_RGB32: | |
1857 | y = (*yuv++ - 16) * 76310; | |
1858 | y1 = (*yuv - 16) * 76310; | |
1859 | if (mmap_kludge) { | |
1860 | r = *(rgb+2-linesize); | |
1861 | g = *(rgb+1-linesize); | |
1862 | b = *(rgb-linesize); | |
1863 | } else { | |
1864 | r = *(rgb-linesize); | |
1865 | g = *(rgb+1-linesize); | |
1866 | b = *(rgb+2-linesize); | |
1867 | } | |
1868 | u = (-53294 * r - 104635 * g + 157929 * b) / 5756495; | |
1869 | v = (157968 * r - 132278 * g - 25690 * b) / 5366159; | |
1870 | r = 104635 * v; | |
1871 | g = -25690 * u + -53294 * v; | |
1872 | b = 132278 * u; | |
1873 | if (mmap_kludge) { | |
1874 | *rgb++ = LIMIT(b+y); | |
1875 | *rgb++ = LIMIT(g+y); | |
1876 | *rgb++ = LIMIT(r+y); | |
1877 | if(out_fmt == VIDEO_PALETTE_RGB32) | |
1878 | rgb++; | |
1879 | *rgb++ = LIMIT(b+y1); | |
1880 | *rgb++ = LIMIT(g+y1); | |
1881 | *rgb = LIMIT(r+y1); | |
1882 | } else { | |
1883 | *rgb++ = LIMIT(r+y); | |
1884 | *rgb++ = LIMIT(g+y); | |
1885 | *rgb++ = LIMIT(b+y); | |
1886 | if(out_fmt == VIDEO_PALETTE_RGB32) | |
1887 | rgb++; | |
1888 | *rgb++ = LIMIT(r+y1); | |
1889 | *rgb++ = LIMIT(g+y1); | |
1890 | *rgb = LIMIT(b+y1); | |
1891 | } | |
1892 | if(out_fmt == VIDEO_PALETTE_RGB32) | |
1893 | return 8; | |
1894 | return 6; | |
1895 | case VIDEO_PALETTE_YUV422: | |
1896 | case VIDEO_PALETTE_YUYV: | |
1897 | y = *yuv++; | |
1898 | u = *(rgb+1-linesize); | |
1899 | y1 = *yuv; | |
1900 | v = *(rgb+3-linesize); | |
1901 | *rgb++ = y; | |
1902 | *rgb++ = u; | |
1903 | *rgb++ = y1; | |
1904 | *rgb = v; | |
1905 | return 4; | |
1906 | case VIDEO_PALETTE_UYVY: | |
1907 | u = *(rgb-linesize); | |
1908 | y = *yuv++; | |
1909 | v = *(rgb+2-linesize); | |
1910 | y1 = *yuv; | |
1911 | *rgb++ = u; | |
1912 | *rgb++ = y; | |
1913 | *rgb++ = v; | |
1914 | *rgb = y1; | |
1915 | return 4; | |
1916 | case VIDEO_PALETTE_GREY: | |
1917 | *rgb++ = *yuv++; | |
1918 | *rgb = *yuv; | |
1919 | return 2; | |
1920 | default: | |
1921 | DBG("Empty: %d\n", out_fmt); | |
1922 | return 0; | |
1923 | } | |
1924 | } | |
1925 | ||
1926 | ||
1927 | static int yuvconvert(unsigned char *yuv, unsigned char *rgb, int out_fmt, | |
1928 | int in_uyvy, int mmap_kludge) | |
1929 | { | |
1930 | int y, u, v, r, g, b, y1; | |
1931 | ||
1932 | switch(out_fmt) { | |
1933 | case VIDEO_PALETTE_RGB555: | |
1934 | case VIDEO_PALETTE_RGB565: | |
1935 | case VIDEO_PALETTE_RGB24: | |
1936 | case VIDEO_PALETTE_RGB32: | |
1937 | if (in_uyvy) { | |
1938 | u = *yuv++ - 128; | |
1939 | y = (*yuv++ - 16) * 76310; | |
1940 | v = *yuv++ - 128; | |
1941 | y1 = (*yuv - 16) * 76310; | |
1942 | } else { | |
1943 | y = (*yuv++ - 16) * 76310; | |
1944 | u = *yuv++ - 128; | |
1945 | y1 = (*yuv++ - 16) * 76310; | |
1946 | v = *yuv - 128; | |
1947 | } | |
1948 | r = 104635 * v; | |
1949 | g = -25690 * u + -53294 * v; | |
1950 | b = 132278 * u; | |
1951 | break; | |
1952 | default: | |
1953 | y = *yuv++; | |
1954 | u = *yuv++; | |
1955 | y1 = *yuv++; | |
1956 | v = *yuv; | |
1957 | /* Just to avoid compiler warnings */ | |
1958 | r = 0; | |
1959 | g = 0; | |
1960 | b = 0; | |
1961 | break; | |
1962 | } | |
1963 | switch(out_fmt) { | |
1964 | case VIDEO_PALETTE_RGB555: | |
1965 | *rgb++ = ((LIMIT(g+y) & 0xf8) << 2) | (LIMIT(b+y) >> 3); | |
1966 | *rgb++ = ((LIMIT(r+y) & 0xf8) >> 1) | (LIMIT(g+y) >> 6); | |
1967 | *rgb++ = ((LIMIT(g+y1) & 0xf8) << 2) | (LIMIT(b+y1) >> 3); | |
1968 | *rgb = ((LIMIT(r+y1) & 0xf8) >> 1) | (LIMIT(g+y1) >> 6); | |
1969 | return 4; | |
1970 | case VIDEO_PALETTE_RGB565: | |
1971 | *rgb++ = ((LIMIT(g+y) & 0xfc) << 3) | (LIMIT(b+y) >> 3); | |
1972 | *rgb++ = (LIMIT(r+y) & 0xf8) | (LIMIT(g+y) >> 5); | |
1973 | *rgb++ = ((LIMIT(g+y1) & 0xfc) << 3) | (LIMIT(b+y1) >> 3); | |
1974 | *rgb = (LIMIT(r+y1) & 0xf8) | (LIMIT(g+y1) >> 5); | |
1975 | return 4; | |
1976 | case VIDEO_PALETTE_RGB24: | |
1977 | if (mmap_kludge) { | |
1978 | *rgb++ = LIMIT(b+y); | |
1979 | *rgb++ = LIMIT(g+y); | |
1980 | *rgb++ = LIMIT(r+y); | |
1981 | *rgb++ = LIMIT(b+y1); | |
1982 | *rgb++ = LIMIT(g+y1); | |
1983 | *rgb = LIMIT(r+y1); | |
1984 | } else { | |
1985 | *rgb++ = LIMIT(r+y); | |
1986 | *rgb++ = LIMIT(g+y); | |
1987 | *rgb++ = LIMIT(b+y); | |
1988 | *rgb++ = LIMIT(r+y1); | |
1989 | *rgb++ = LIMIT(g+y1); | |
1990 | *rgb = LIMIT(b+y1); | |
1991 | } | |
1992 | return 6; | |
1993 | case VIDEO_PALETTE_RGB32: | |
1994 | if (mmap_kludge) { | |
1995 | *rgb++ = LIMIT(b+y); | |
1996 | *rgb++ = LIMIT(g+y); | |
1997 | *rgb++ = LIMIT(r+y); | |
1998 | rgb++; | |
1999 | *rgb++ = LIMIT(b+y1); | |
2000 | *rgb++ = LIMIT(g+y1); | |
2001 | *rgb = LIMIT(r+y1); | |
2002 | } else { | |
2003 | *rgb++ = LIMIT(r+y); | |
2004 | *rgb++ = LIMIT(g+y); | |
2005 | *rgb++ = LIMIT(b+y); | |
2006 | rgb++; | |
2007 | *rgb++ = LIMIT(r+y1); | |
2008 | *rgb++ = LIMIT(g+y1); | |
2009 | *rgb = LIMIT(b+y1); | |
2010 | } | |
2011 | return 8; | |
2012 | case VIDEO_PALETTE_GREY: | |
2013 | *rgb++ = y; | |
2014 | *rgb = y1; | |
2015 | return 2; | |
2016 | case VIDEO_PALETTE_YUV422: | |
2017 | case VIDEO_PALETTE_YUYV: | |
2018 | *rgb++ = y; | |
2019 | *rgb++ = u; | |
2020 | *rgb++ = y1; | |
2021 | *rgb = v; | |
2022 | return 4; | |
2023 | case VIDEO_PALETTE_UYVY: | |
2024 | *rgb++ = u; | |
2025 | *rgb++ = y; | |
2026 | *rgb++ = v; | |
2027 | *rgb = y1; | |
2028 | return 4; | |
2029 | default: | |
2030 | DBG("Empty: %d\n", out_fmt); | |
2031 | return 0; | |
2032 | } | |
2033 | } | |
2034 | ||
2035 | static int skipcount(int count, int fmt) | |
2036 | { | |
2037 | switch(fmt) { | |
2038 | case VIDEO_PALETTE_GREY: | |
2039 | return count; | |
2040 | case VIDEO_PALETTE_RGB555: | |
2041 | case VIDEO_PALETTE_RGB565: | |
2042 | case VIDEO_PALETTE_YUV422: | |
2043 | case VIDEO_PALETTE_YUYV: | |
2044 | case VIDEO_PALETTE_UYVY: | |
2045 | return 2*count; | |
2046 | case VIDEO_PALETTE_RGB24: | |
2047 | return 3*count; | |
2048 | case VIDEO_PALETTE_RGB32: | |
2049 | return 4*count; | |
2050 | default: | |
2051 | return 0; | |
2052 | } | |
2053 | } | |
2054 | ||
2055 | static int parse_picture(struct cam_data *cam, int size) | |
2056 | { | |
2057 | u8 *obuf, *ibuf, *end_obuf; | |
2058 | int ll, in_uyvy, compressed, decimation, even_line, origsize, out_fmt; | |
2059 | int rows, cols, linesize, subsample_422; | |
2060 | ||
2061 | /* make sure params don't change while we are decoding */ | |
3593cab5 | 2062 | mutex_lock(&cam->param_lock); |
1da177e4 LT |
2063 | |
2064 | obuf = cam->decompressed_frame.data; | |
2065 | end_obuf = obuf+CPIA_MAX_FRAME_SIZE; | |
2066 | ibuf = cam->raw_image; | |
2067 | origsize = size; | |
2068 | out_fmt = cam->vp.palette; | |
2069 | ||
2070 | if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) { | |
2071 | LOG("header not found\n"); | |
3593cab5 | 2072 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2073 | return -1; |
2074 | } | |
2075 | ||
2076 | if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) { | |
2077 | LOG("wrong video size\n"); | |
3593cab5 | 2078 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2079 | return -1; |
2080 | } | |
2081 | ||
2082 | if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) { | |
2083 | LOG("illegal subtype %d\n",ibuf[17]); | |
3593cab5 | 2084 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2085 | return -1; |
2086 | } | |
2087 | subsample_422 = ibuf[17] == SUBSAMPLE_422; | |
2088 | ||
2089 | if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) { | |
2090 | LOG("illegal yuvorder %d\n",ibuf[18]); | |
3593cab5 | 2091 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2092 | return -1; |
2093 | } | |
2094 | in_uyvy = ibuf[18] == YUVORDER_UYVY; | |
2095 | ||
2096 | if ((ibuf[24] != cam->params.roi.colStart) || | |
2097 | (ibuf[25] != cam->params.roi.colEnd) || | |
2098 | (ibuf[26] != cam->params.roi.rowStart) || | |
2099 | (ibuf[27] != cam->params.roi.rowEnd)) { | |
2100 | LOG("ROI mismatch\n"); | |
3593cab5 | 2101 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2102 | return -1; |
2103 | } | |
2104 | cols = 8*(ibuf[25] - ibuf[24]); | |
2105 | rows = 4*(ibuf[27] - ibuf[26]); | |
2106 | ||
2107 | ||
2108 | if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) { | |
2109 | LOG("illegal compression %d\n",ibuf[28]); | |
3593cab5 | 2110 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2111 | return -1; |
2112 | } | |
2113 | compressed = (ibuf[28] == COMPRESSED); | |
2114 | ||
2115 | if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) { | |
2116 | LOG("illegal decimation %d\n",ibuf[29]); | |
3593cab5 | 2117 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2118 | return -1; |
2119 | } | |
2120 | decimation = (ibuf[29] == DECIMATION_ENAB); | |
2121 | ||
2122 | cam->params.yuvThreshold.yThreshold = ibuf[30]; | |
2123 | cam->params.yuvThreshold.uvThreshold = ibuf[31]; | |
2124 | cam->params.status.systemState = ibuf[32]; | |
2125 | cam->params.status.grabState = ibuf[33]; | |
2126 | cam->params.status.streamState = ibuf[34]; | |
2127 | cam->params.status.fatalError = ibuf[35]; | |
2128 | cam->params.status.cmdError = ibuf[36]; | |
2129 | cam->params.status.debugFlags = ibuf[37]; | |
2130 | cam->params.status.vpStatus = ibuf[38]; | |
2131 | cam->params.status.errorCode = ibuf[39]; | |
2132 | cam->fps = ibuf[41]; | |
3593cab5 | 2133 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2134 | |
2135 | linesize = skipcount(cols, out_fmt); | |
2136 | ibuf += FRAME_HEADER_SIZE; | |
2137 | size -= FRAME_HEADER_SIZE; | |
2138 | ll = ibuf[0] | (ibuf[1] << 8); | |
2139 | ibuf += 2; | |
2140 | even_line = 1; | |
2141 | ||
2142 | while (size > 0) { | |
2143 | size -= (ll+2); | |
2144 | if (size < 0) { | |
2145 | LOG("Insufficient data in buffer\n"); | |
2146 | return -1; | |
2147 | } | |
2148 | ||
2149 | while (ll > 1) { | |
2150 | if (!compressed || (compressed && !(*ibuf & 1))) { | |
2151 | if(subsample_422 || even_line) { | |
2152 | obuf += yuvconvert(ibuf, obuf, out_fmt, | |
2153 | in_uyvy, cam->mmap_kludge); | |
2154 | ibuf += 4; | |
2155 | ll -= 4; | |
2156 | } else { | |
2157 | /* SUBSAMPLE_420 on an odd line */ | |
2158 | obuf += convert420(ibuf, obuf, | |
2159 | out_fmt, linesize, | |
2160 | cam->mmap_kludge); | |
2161 | ibuf += 2; | |
2162 | ll -= 2; | |
2163 | } | |
2164 | } else { | |
2165 | /*skip compressed interval from previous frame*/ | |
2166 | obuf += skipcount(*ibuf >> 1, out_fmt); | |
2167 | if (obuf > end_obuf) { | |
2168 | LOG("Insufficient buffer size\n"); | |
2169 | return -1; | |
2170 | } | |
2171 | ++ibuf; | |
2172 | ll--; | |
2173 | } | |
2174 | } | |
2175 | if (ll == 1) { | |
2176 | if (*ibuf != EOL) { | |
2177 | DBG("EOL not found giving up after %d/%d" | |
2178 | " bytes\n", origsize-size, origsize); | |
2179 | return -1; | |
2180 | } | |
2181 | ||
2182 | ++ibuf; /* skip over EOL */ | |
2183 | ||
2184 | if ((size > 3) && (ibuf[0] == EOI) && (ibuf[1] == EOI) && | |
2185 | (ibuf[2] == EOI) && (ibuf[3] == EOI)) { | |
2186 | size -= 4; | |
2187 | break; | |
2188 | } | |
2189 | ||
2190 | if(decimation) { | |
2191 | /* skip the odd lines for now */ | |
2192 | obuf += linesize; | |
2193 | } | |
2194 | ||
2195 | if (size > 1) { | |
2196 | ll = ibuf[0] | (ibuf[1] << 8); | |
2197 | ibuf += 2; /* skip over line length */ | |
2198 | } | |
2199 | if(!decimation) | |
2200 | even_line = !even_line; | |
2201 | } else { | |
2202 | LOG("line length was not 1 but %d after %d/%d bytes\n", | |
2203 | ll, origsize-size, origsize); | |
2204 | return -1; | |
2205 | } | |
2206 | } | |
2207 | ||
2208 | if(decimation) { | |
2209 | /* interpolate odd rows */ | |
2210 | int i, j; | |
2211 | u8 *prev, *next; | |
2212 | prev = cam->decompressed_frame.data; | |
2213 | obuf = prev+linesize; | |
2214 | next = obuf+linesize; | |
2215 | for(i=1; i<rows-1; i+=2) { | |
2216 | for(j=0; j<linesize; ++j) { | |
2217 | *obuf++ = ((int)*prev++ + *next++) / 2; | |
2218 | } | |
2219 | prev += linesize; | |
2220 | obuf += linesize; | |
2221 | next += linesize; | |
2222 | } | |
2223 | /* last row is odd, just copy previous row */ | |
2224 | memcpy(obuf, prev, linesize); | |
2225 | } | |
2226 | ||
2227 | cam->decompressed_frame.count = obuf-cam->decompressed_frame.data; | |
2228 | ||
2229 | return cam->decompressed_frame.count; | |
2230 | } | |
2231 | ||
2232 | /* InitStreamCap wrapper to select correct start line */ | |
2233 | static inline int init_stream_cap(struct cam_data *cam) | |
2234 | { | |
2235 | return do_command(cam, CPIA_COMMAND_InitStreamCap, | |
2236 | 0, cam->params.streamStartLine, 0, 0); | |
2237 | } | |
2238 | ||
2239 | ||
2240 | /* find_over_exposure | |
2241 | * Finds a suitable value of OverExposure for use with SetFlickerCtrl | |
2242 | * Some calculation is required because this value changes with the brightness | |
2243 | * set with SetColourParameters | |
2244 | * | |
2245 | * Parameters: Brightness - last brightness value set with SetColourParameters | |
2246 | * | |
2247 | * Returns: OverExposure value to use with SetFlickerCtrl | |
2248 | */ | |
2249 | #define FLICKER_MAX_EXPOSURE 250 | |
2250 | #define FLICKER_ALLOWABLE_OVER_EXPOSURE 146 | |
2251 | #define FLICKER_BRIGHTNESS_CONSTANT 59 | |
2252 | static int find_over_exposure(int brightness) | |
2253 | { | |
2254 | int MaxAllowableOverExposure, OverExposure; | |
2255 | ||
2256 | MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness - | |
2257 | FLICKER_BRIGHTNESS_CONSTANT; | |
2258 | ||
2259 | if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) { | |
2260 | OverExposure = MaxAllowableOverExposure; | |
2261 | } else { | |
2262 | OverExposure = FLICKER_ALLOWABLE_OVER_EXPOSURE; | |
2263 | } | |
2264 | ||
2265 | return OverExposure; | |
2266 | } | |
2267 | #undef FLICKER_MAX_EXPOSURE | |
2268 | #undef FLICKER_ALLOWABLE_OVER_EXPOSURE | |
2269 | #undef FLICKER_BRIGHTNESS_CONSTANT | |
2270 | ||
2271 | /* update various camera modes and settings */ | |
2272 | static void dispatch_commands(struct cam_data *cam) | |
2273 | { | |
3593cab5 | 2274 | mutex_lock(&cam->param_lock); |
1da177e4 | 2275 | if (cam->cmd_queue==COMMAND_NONE) { |
3593cab5 | 2276 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2277 | return; |
2278 | } | |
2279 | DEB_BYTE(cam->cmd_queue); | |
2280 | DEB_BYTE(cam->cmd_queue>>8); | |
2281 | if (cam->cmd_queue & COMMAND_SETFORMAT) { | |
2282 | do_command(cam, CPIA_COMMAND_SetFormat, | |
2283 | cam->params.format.videoSize, | |
2284 | cam->params.format.subSample, | |
2285 | cam->params.format.yuvOrder, 0); | |
2286 | do_command(cam, CPIA_COMMAND_SetROI, | |
2287 | cam->params.roi.colStart, cam->params.roi.colEnd, | |
2288 | cam->params.roi.rowStart, cam->params.roi.rowEnd); | |
2289 | cam->first_frame = 1; | |
2290 | } | |
2291 | ||
2292 | if (cam->cmd_queue & COMMAND_SETCOLOURPARAMS) | |
2293 | do_command(cam, CPIA_COMMAND_SetColourParams, | |
2294 | cam->params.colourParams.brightness, | |
2295 | cam->params.colourParams.contrast, | |
2296 | cam->params.colourParams.saturation, 0); | |
2297 | ||
2298 | if (cam->cmd_queue & COMMAND_SETAPCOR) | |
2299 | do_command(cam, CPIA_COMMAND_SetApcor, | |
2300 | cam->params.apcor.gain1, | |
2301 | cam->params.apcor.gain2, | |
2302 | cam->params.apcor.gain4, | |
2303 | cam->params.apcor.gain8); | |
2304 | ||
2305 | if (cam->cmd_queue & COMMAND_SETVLOFFSET) | |
2306 | do_command(cam, CPIA_COMMAND_SetVLOffset, | |
2307 | cam->params.vlOffset.gain1, | |
2308 | cam->params.vlOffset.gain2, | |
2309 | cam->params.vlOffset.gain4, | |
2310 | cam->params.vlOffset.gain8); | |
2311 | ||
2312 | if (cam->cmd_queue & COMMAND_SETEXPOSURE) { | |
2313 | do_command_extended(cam, CPIA_COMMAND_SetExposure, | |
2314 | cam->params.exposure.gainMode, | |
2315 | 1, | |
2316 | cam->params.exposure.compMode, | |
2317 | cam->params.exposure.centreWeight, | |
2318 | cam->params.exposure.gain, | |
2319 | cam->params.exposure.fineExp, | |
2320 | cam->params.exposure.coarseExpLo, | |
2321 | cam->params.exposure.coarseExpHi, | |
2322 | cam->params.exposure.redComp, | |
2323 | cam->params.exposure.green1Comp, | |
2324 | cam->params.exposure.green2Comp, | |
2325 | cam->params.exposure.blueComp); | |
2326 | if(cam->params.exposure.expMode != 1) { | |
2327 | do_command_extended(cam, CPIA_COMMAND_SetExposure, | |
2328 | 0, | |
2329 | cam->params.exposure.expMode, | |
2330 | 0, 0, | |
2331 | cam->params.exposure.gain, | |
2332 | cam->params.exposure.fineExp, | |
2333 | cam->params.exposure.coarseExpLo, | |
2334 | cam->params.exposure.coarseExpHi, | |
2335 | 0, 0, 0, 0); | |
2336 | } | |
2337 | } | |
2338 | ||
2339 | if (cam->cmd_queue & COMMAND_SETCOLOURBALANCE) { | |
2340 | if (cam->params.colourBalance.balanceMode == 1) { | |
2341 | do_command(cam, CPIA_COMMAND_SetColourBalance, | |
2342 | 1, | |
2343 | cam->params.colourBalance.redGain, | |
2344 | cam->params.colourBalance.greenGain, | |
2345 | cam->params.colourBalance.blueGain); | |
2346 | do_command(cam, CPIA_COMMAND_SetColourBalance, | |
2347 | 3, 0, 0, 0); | |
2348 | } | |
2349 | if (cam->params.colourBalance.balanceMode == 2) { | |
2350 | do_command(cam, CPIA_COMMAND_SetColourBalance, | |
2351 | 2, 0, 0, 0); | |
2352 | } | |
2353 | if (cam->params.colourBalance.balanceMode == 3) { | |
2354 | do_command(cam, CPIA_COMMAND_SetColourBalance, | |
2355 | 3, 0, 0, 0); | |
2356 | } | |
2357 | } | |
2358 | ||
2359 | if (cam->cmd_queue & COMMAND_SETCOMPRESSIONTARGET) | |
2360 | do_command(cam, CPIA_COMMAND_SetCompressionTarget, | |
2361 | cam->params.compressionTarget.frTargeting, | |
2362 | cam->params.compressionTarget.targetFR, | |
2363 | cam->params.compressionTarget.targetQ, 0); | |
2364 | ||
2365 | if (cam->cmd_queue & COMMAND_SETYUVTHRESH) | |
2366 | do_command(cam, CPIA_COMMAND_SetYUVThresh, | |
2367 | cam->params.yuvThreshold.yThreshold, | |
2368 | cam->params.yuvThreshold.uvThreshold, 0, 0); | |
2369 | ||
2370 | if (cam->cmd_queue & COMMAND_SETCOMPRESSIONPARAMS) | |
2371 | do_command_extended(cam, CPIA_COMMAND_SetCompressionParams, | |
2372 | 0, 0, 0, 0, | |
2373 | cam->params.compressionParams.hysteresis, | |
2374 | cam->params.compressionParams.threshMax, | |
2375 | cam->params.compressionParams.smallStep, | |
2376 | cam->params.compressionParams.largeStep, | |
2377 | cam->params.compressionParams.decimationHysteresis, | |
2378 | cam->params.compressionParams.frDiffStepThresh, | |
2379 | cam->params.compressionParams.qDiffStepThresh, | |
2380 | cam->params.compressionParams.decimationThreshMod); | |
2381 | ||
2382 | if (cam->cmd_queue & COMMAND_SETCOMPRESSION) | |
2383 | do_command(cam, CPIA_COMMAND_SetCompression, | |
2384 | cam->params.compression.mode, | |
2385 | cam->params.compression.decimation, 0, 0); | |
2386 | ||
2387 | if (cam->cmd_queue & COMMAND_SETSENSORFPS) | |
2388 | do_command(cam, CPIA_COMMAND_SetSensorFPS, | |
2389 | cam->params.sensorFps.divisor, | |
2390 | cam->params.sensorFps.baserate, 0, 0); | |
2391 | ||
2392 | if (cam->cmd_queue & COMMAND_SETFLICKERCTRL) | |
2393 | do_command(cam, CPIA_COMMAND_SetFlickerCtrl, | |
2394 | cam->params.flickerControl.flickerMode, | |
2395 | cam->params.flickerControl.coarseJump, | |
2396 | abs(cam->params.flickerControl.allowableOverExposure), | |
2397 | 0); | |
2398 | ||
2399 | if (cam->cmd_queue & COMMAND_SETECPTIMING) | |
2400 | do_command(cam, CPIA_COMMAND_SetECPTiming, | |
2401 | cam->params.ecpTiming, 0, 0, 0); | |
2402 | ||
2403 | if (cam->cmd_queue & COMMAND_PAUSE) | |
2404 | do_command(cam, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0); | |
2405 | ||
2406 | if (cam->cmd_queue & COMMAND_RESUME) | |
2407 | init_stream_cap(cam); | |
2408 | ||
2409 | if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected) | |
2410 | { | |
2411 | int p1 = (cam->params.qx3.bottomlight == 0) << 1; | |
2412 | int p2 = (cam->params.qx3.toplight == 0) << 3; | |
2413 | do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0); | |
2414 | do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0); | |
2415 | } | |
2416 | ||
2417 | cam->cmd_queue = COMMAND_NONE; | |
3593cab5 | 2418 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2419 | return; |
2420 | } | |
2421 | ||
2422 | ||
2423 | ||
2424 | static void set_flicker(struct cam_params *params, volatile u32 *command_flags, | |
2425 | int on) | |
2426 | { | |
2427 | /* Everything in here is from the Windows driver */ | |
2428 | #define FIRMWARE_VERSION(x,y) (params->version.firmwareVersion == (x) && \ | |
2429 | params->version.firmwareRevision == (y)) | |
2430 | /* define for compgain calculation */ | |
2431 | #if 0 | |
2432 | #define COMPGAIN(base, curexp, newexp) \ | |
2433 | (u8) ((((float) base - 128.0) * ((float) curexp / (float) newexp)) + 128.5) | |
2434 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ | |
2435 | (u16)((float)curexp * (float)(u8)(curcomp + 128) / (float)(u8)(basecomp - 128)) | |
2436 | #else | |
2437 | /* equivalent functions without floating point math */ | |
2438 | #define COMPGAIN(base, curexp, newexp) \ | |
2439 | (u8)(128 + (((u32)(2*(base-128)*curexp + newexp)) / (2* newexp)) ) | |
2440 | #define EXP_FROM_COMP(basecomp, curcomp, curexp) \ | |
2441 | (u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128))) | |
2442 | #endif | |
2443 | ||
2444 | ||
2445 | int currentexp = params->exposure.coarseExpLo + | |
2446 | params->exposure.coarseExpHi*256; | |
2447 | int startexp; | |
2448 | if (on) { | |
2449 | int cj = params->flickerControl.coarseJump; | |
2450 | params->flickerControl.flickerMode = 1; | |
2451 | params->flickerControl.disabled = 0; | |
2452 | if(params->exposure.expMode != 2) | |
2453 | *command_flags |= COMMAND_SETEXPOSURE; | |
2454 | params->exposure.expMode = 2; | |
2455 | currentexp = currentexp << params->exposure.gain; | |
2456 | params->exposure.gain = 0; | |
2457 | /* round down current exposure to nearest value */ | |
2458 | startexp = (currentexp + ROUND_UP_EXP_FOR_FLICKER) / cj; | |
2459 | if(startexp < 1) | |
2460 | startexp = 1; | |
2461 | startexp = (startexp * cj) - 1; | |
2462 | if(FIRMWARE_VERSION(1,2)) | |
2463 | while(startexp > MAX_EXP_102) | |
2464 | startexp -= cj; | |
2465 | else | |
2466 | while(startexp > MAX_EXP) | |
2467 | startexp -= cj; | |
2468 | params->exposure.coarseExpLo = startexp & 0xff; | |
2469 | params->exposure.coarseExpHi = startexp >> 8; | |
2470 | if (currentexp > startexp) { | |
2471 | if (currentexp > (2 * startexp)) | |
2472 | currentexp = 2 * startexp; | |
2473 | params->exposure.redComp = COMPGAIN (COMP_RED, currentexp, startexp); | |
2474 | params->exposure.green1Comp = COMPGAIN (COMP_GREEN1, currentexp, startexp); | |
2475 | params->exposure.green2Comp = COMPGAIN (COMP_GREEN2, currentexp, startexp); | |
2476 | params->exposure.blueComp = COMPGAIN (COMP_BLUE, currentexp, startexp); | |
2477 | } else { | |
2478 | params->exposure.redComp = COMP_RED; | |
2479 | params->exposure.green1Comp = COMP_GREEN1; | |
2480 | params->exposure.green2Comp = COMP_GREEN2; | |
2481 | params->exposure.blueComp = COMP_BLUE; | |
2482 | } | |
2483 | if(FIRMWARE_VERSION(1,2)) | |
2484 | params->exposure.compMode = 0; | |
2485 | else | |
2486 | params->exposure.compMode = 1; | |
2487 | ||
2488 | params->apcor.gain1 = 0x18; | |
2489 | params->apcor.gain2 = 0x18; | |
2490 | params->apcor.gain4 = 0x16; | |
2491 | params->apcor.gain8 = 0x14; | |
2492 | *command_flags |= COMMAND_SETAPCOR; | |
2493 | } else { | |
2494 | params->flickerControl.flickerMode = 0; | |
2495 | params->flickerControl.disabled = 1; | |
2496 | /* Coarse = average of equivalent coarse for each comp channel */ | |
2497 | startexp = EXP_FROM_COMP(COMP_RED, params->exposure.redComp, currentexp); | |
2498 | startexp += EXP_FROM_COMP(COMP_GREEN1, params->exposure.green1Comp, currentexp); | |
2499 | startexp += EXP_FROM_COMP(COMP_GREEN2, params->exposure.green2Comp, currentexp); | |
2500 | startexp += EXP_FROM_COMP(COMP_BLUE, params->exposure.blueComp, currentexp); | |
2501 | startexp = startexp >> 2; | |
2502 | while(startexp > MAX_EXP && | |
2503 | params->exposure.gain < params->exposure.gainMode-1) { | |
2504 | startexp = startexp >> 1; | |
2505 | ++params->exposure.gain; | |
2506 | } | |
2507 | if(FIRMWARE_VERSION(1,2) && startexp > MAX_EXP_102) | |
2508 | startexp = MAX_EXP_102; | |
2509 | if(startexp > MAX_EXP) | |
2510 | startexp = MAX_EXP; | |
2511 | params->exposure.coarseExpLo = startexp&0xff; | |
2512 | params->exposure.coarseExpHi = startexp >> 8; | |
2513 | params->exposure.redComp = COMP_RED; | |
2514 | params->exposure.green1Comp = COMP_GREEN1; | |
2515 | params->exposure.green2Comp = COMP_GREEN2; | |
2516 | params->exposure.blueComp = COMP_BLUE; | |
2517 | params->exposure.compMode = 1; | |
2518 | *command_flags |= COMMAND_SETEXPOSURE; | |
2519 | params->apcor.gain1 = 0x18; | |
2520 | params->apcor.gain2 = 0x16; | |
2521 | params->apcor.gain4 = 0x24; | |
2522 | params->apcor.gain8 = 0x34; | |
2523 | *command_flags |= COMMAND_SETAPCOR; | |
2524 | } | |
2525 | params->vlOffset.gain1 = 20; | |
2526 | params->vlOffset.gain2 = 24; | |
2527 | params->vlOffset.gain4 = 26; | |
2528 | params->vlOffset.gain8 = 26; | |
2529 | *command_flags |= COMMAND_SETVLOFFSET; | |
2530 | #undef FIRMWARE_VERSION | |
2531 | #undef EXP_FROM_COMP | |
2532 | #undef COMPGAIN | |
2533 | } | |
2534 | ||
2535 | #define FIRMWARE_VERSION(x,y) (cam->params.version.firmwareVersion == (x) && \ | |
2536 | cam->params.version.firmwareRevision == (y)) | |
2537 | /* monitor the exposure and adjust the sensor frame rate if needed */ | |
2538 | static void monitor_exposure(struct cam_data *cam) | |
2539 | { | |
2540 | u8 exp_acc, bcomp, gain, coarseL, cmd[8], data[8]; | |
2541 | int retval, light_exp, dark_exp, very_dark_exp; | |
2542 | int old_exposure, new_exposure, framerate; | |
2543 | ||
2544 | /* get necessary stats and register settings from camera */ | |
2545 | /* do_command can't handle this, so do it ourselves */ | |
2546 | cmd[0] = CPIA_COMMAND_ReadVPRegs>>8; | |
2547 | cmd[1] = CPIA_COMMAND_ReadVPRegs&0xff; | |
2548 | cmd[2] = 30; | |
2549 | cmd[3] = 4; | |
2550 | cmd[4] = 9; | |
2551 | cmd[5] = 8; | |
2552 | cmd[6] = 8; | |
2553 | cmd[7] = 0; | |
2554 | retval = cam->ops->transferCmd(cam->lowlevel_data, cmd, data); | |
2555 | if (retval) { | |
2556 | LOG("ReadVPRegs(30,4,9,8) - failed, retval=%d\n", | |
2557 | retval); | |
2558 | return; | |
2559 | } | |
2560 | exp_acc = data[0]; | |
2561 | bcomp = data[1]; | |
2562 | gain = data[2]; | |
2563 | coarseL = data[3]; | |
2564 | ||
3593cab5 | 2565 | mutex_lock(&cam->param_lock); |
1da177e4 LT |
2566 | light_exp = cam->params.colourParams.brightness + |
2567 | TC - 50 + EXP_ACC_LIGHT; | |
2568 | if(light_exp > 255) | |
2569 | light_exp = 255; | |
2570 | dark_exp = cam->params.colourParams.brightness + | |
2571 | TC - 50 - EXP_ACC_DARK; | |
2572 | if(dark_exp < 0) | |
2573 | dark_exp = 0; | |
2574 | very_dark_exp = dark_exp/2; | |
2575 | ||
2576 | old_exposure = cam->params.exposure.coarseExpHi * 256 + | |
2577 | cam->params.exposure.coarseExpLo; | |
2578 | ||
2579 | if(!cam->params.flickerControl.disabled) { | |
2580 | /* Flicker control on */ | |
2581 | int max_comp = FIRMWARE_VERSION(1,2) ? MAX_COMP : HIGH_COMP_102; | |
2582 | bcomp += 128; /* decode */ | |
2583 | if(bcomp >= max_comp && exp_acc < dark_exp) { | |
2584 | /* dark */ | |
2585 | if(exp_acc < very_dark_exp) { | |
2586 | /* very dark */ | |
2587 | if(cam->exposure_status == EXPOSURE_VERY_DARK) | |
2588 | ++cam->exposure_count; | |
2589 | else { | |
2590 | cam->exposure_status = EXPOSURE_VERY_DARK; | |
2591 | cam->exposure_count = 1; | |
2592 | } | |
2593 | } else { | |
2594 | /* just dark */ | |
2595 | if(cam->exposure_status == EXPOSURE_DARK) | |
2596 | ++cam->exposure_count; | |
2597 | else { | |
2598 | cam->exposure_status = EXPOSURE_DARK; | |
2599 | cam->exposure_count = 1; | |
2600 | } | |
2601 | } | |
2602 | } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { | |
2603 | /* light */ | |
2604 | if(old_exposure <= VERY_LOW_EXP) { | |
2605 | /* very light */ | |
2606 | if(cam->exposure_status == EXPOSURE_VERY_LIGHT) | |
2607 | ++cam->exposure_count; | |
2608 | else { | |
2609 | cam->exposure_status = EXPOSURE_VERY_LIGHT; | |
2610 | cam->exposure_count = 1; | |
2611 | } | |
2612 | } else { | |
2613 | /* just light */ | |
2614 | if(cam->exposure_status == EXPOSURE_LIGHT) | |
2615 | ++cam->exposure_count; | |
2616 | else { | |
2617 | cam->exposure_status = EXPOSURE_LIGHT; | |
2618 | cam->exposure_count = 1; | |
2619 | } | |
2620 | } | |
2621 | } else { | |
2622 | /* not dark or light */ | |
2623 | cam->exposure_status = EXPOSURE_NORMAL; | |
2624 | } | |
2625 | } else { | |
2626 | /* Flicker control off */ | |
2627 | if(old_exposure >= MAX_EXP && exp_acc < dark_exp) { | |
2628 | /* dark */ | |
2629 | if(exp_acc < very_dark_exp) { | |
2630 | /* very dark */ | |
2631 | if(cam->exposure_status == EXPOSURE_VERY_DARK) | |
2632 | ++cam->exposure_count; | |
2633 | else { | |
2634 | cam->exposure_status = EXPOSURE_VERY_DARK; | |
2635 | cam->exposure_count = 1; | |
2636 | } | |
2637 | } else { | |
2638 | /* just dark */ | |
2639 | if(cam->exposure_status == EXPOSURE_DARK) | |
2640 | ++cam->exposure_count; | |
2641 | else { | |
2642 | cam->exposure_status = EXPOSURE_DARK; | |
2643 | cam->exposure_count = 1; | |
2644 | } | |
2645 | } | |
2646 | } else if(old_exposure <= LOW_EXP || exp_acc > light_exp) { | |
2647 | /* light */ | |
2648 | if(old_exposure <= VERY_LOW_EXP) { | |
2649 | /* very light */ | |
2650 | if(cam->exposure_status == EXPOSURE_VERY_LIGHT) | |
2651 | ++cam->exposure_count; | |
2652 | else { | |
2653 | cam->exposure_status = EXPOSURE_VERY_LIGHT; | |
2654 | cam->exposure_count = 1; | |
2655 | } | |
2656 | } else { | |
2657 | /* just light */ | |
2658 | if(cam->exposure_status == EXPOSURE_LIGHT) | |
2659 | ++cam->exposure_count; | |
2660 | else { | |
2661 | cam->exposure_status = EXPOSURE_LIGHT; | |
2662 | cam->exposure_count = 1; | |
2663 | } | |
2664 | } | |
2665 | } else { | |
2666 | /* not dark or light */ | |
2667 | cam->exposure_status = EXPOSURE_NORMAL; | |
2668 | } | |
2669 | } | |
2670 | ||
2671 | framerate = cam->fps; | |
2672 | if(framerate > 30 || framerate < 1) | |
2673 | framerate = 1; | |
2674 | ||
2675 | if(!cam->params.flickerControl.disabled) { | |
2676 | /* Flicker control on */ | |
2677 | if((cam->exposure_status == EXPOSURE_VERY_DARK || | |
2678 | cam->exposure_status == EXPOSURE_DARK) && | |
2679 | cam->exposure_count >= DARK_TIME*framerate && | |
2680 | cam->params.sensorFps.divisor < 3) { | |
2681 | ||
2682 | /* dark for too long */ | |
2683 | ++cam->params.sensorFps.divisor; | |
2684 | cam->cmd_queue |= COMMAND_SETSENSORFPS; | |
2685 | ||
2686 | cam->params.flickerControl.coarseJump = | |
2687 | flicker_jumps[cam->mainsFreq] | |
2688 | [cam->params.sensorFps.baserate] | |
2689 | [cam->params.sensorFps.divisor]; | |
2690 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; | |
2691 | ||
2692 | new_exposure = cam->params.flickerControl.coarseJump-1; | |
2693 | while(new_exposure < old_exposure/2) | |
2694 | new_exposure += cam->params.flickerControl.coarseJump; | |
2695 | cam->params.exposure.coarseExpLo = new_exposure & 0xff; | |
2696 | cam->params.exposure.coarseExpHi = new_exposure >> 8; | |
2697 | cam->cmd_queue |= COMMAND_SETEXPOSURE; | |
2698 | cam->exposure_status = EXPOSURE_NORMAL; | |
2699 | LOG("Automatically decreasing sensor_fps\n"); | |
2700 | ||
2701 | } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || | |
2702 | cam->exposure_status == EXPOSURE_LIGHT) && | |
2703 | cam->exposure_count >= LIGHT_TIME*framerate && | |
2704 | cam->params.sensorFps.divisor > 0) { | |
2705 | ||
2706 | /* light for too long */ | |
2707 | int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ; | |
2708 | ||
2709 | --cam->params.sensorFps.divisor; | |
2710 | cam->cmd_queue |= COMMAND_SETSENSORFPS; | |
2711 | ||
2712 | cam->params.flickerControl.coarseJump = | |
2713 | flicker_jumps[cam->mainsFreq] | |
2714 | [cam->params.sensorFps.baserate] | |
2715 | [cam->params.sensorFps.divisor]; | |
2716 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; | |
2717 | ||
2718 | new_exposure = cam->params.flickerControl.coarseJump-1; | |
2719 | while(new_exposure < 2*old_exposure && | |
2720 | new_exposure+ | |
2721 | cam->params.flickerControl.coarseJump < max_exp) | |
2722 | new_exposure += cam->params.flickerControl.coarseJump; | |
2723 | cam->params.exposure.coarseExpLo = new_exposure & 0xff; | |
2724 | cam->params.exposure.coarseExpHi = new_exposure >> 8; | |
2725 | cam->cmd_queue |= COMMAND_SETEXPOSURE; | |
2726 | cam->exposure_status = EXPOSURE_NORMAL; | |
2727 | LOG("Automatically increasing sensor_fps\n"); | |
2728 | } | |
2729 | } else { | |
2730 | /* Flicker control off */ | |
2731 | if((cam->exposure_status == EXPOSURE_VERY_DARK || | |
2732 | cam->exposure_status == EXPOSURE_DARK) && | |
2733 | cam->exposure_count >= DARK_TIME*framerate && | |
2734 | cam->params.sensorFps.divisor < 3) { | |
2735 | ||
2736 | /* dark for too long */ | |
2737 | ++cam->params.sensorFps.divisor; | |
2738 | cam->cmd_queue |= COMMAND_SETSENSORFPS; | |
2739 | ||
2740 | if(cam->params.exposure.gain > 0) { | |
2741 | --cam->params.exposure.gain; | |
2742 | cam->cmd_queue |= COMMAND_SETEXPOSURE; | |
2743 | } | |
2744 | cam->exposure_status = EXPOSURE_NORMAL; | |
2745 | LOG("Automatically decreasing sensor_fps\n"); | |
2746 | ||
2747 | } else if((cam->exposure_status == EXPOSURE_VERY_LIGHT || | |
2748 | cam->exposure_status == EXPOSURE_LIGHT) && | |
2749 | cam->exposure_count >= LIGHT_TIME*framerate && | |
2750 | cam->params.sensorFps.divisor > 0) { | |
2751 | ||
2752 | /* light for too long */ | |
2753 | --cam->params.sensorFps.divisor; | |
2754 | cam->cmd_queue |= COMMAND_SETSENSORFPS; | |
2755 | ||
2756 | if(cam->params.exposure.gain < | |
2757 | cam->params.exposure.gainMode-1) { | |
2758 | ++cam->params.exposure.gain; | |
2759 | cam->cmd_queue |= COMMAND_SETEXPOSURE; | |
2760 | } | |
2761 | cam->exposure_status = EXPOSURE_NORMAL; | |
2762 | LOG("Automatically increasing sensor_fps\n"); | |
2763 | } | |
2764 | } | |
3593cab5 | 2765 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2766 | } |
2767 | ||
2768 | /*-----------------------------------------------------------------*/ | |
2769 | /* if flicker is switched off, this function switches it back on.It checks, | |
2770 | however, that conditions are suitable before restarting it. | |
2771 | This should only be called for firmware version 1.2. | |
2772 | ||
2773 | It also adjust the colour balance when an exposure step is detected - as | |
2774 | long as flicker is running | |
2775 | */ | |
2776 | static void restart_flicker(struct cam_data *cam) | |
2777 | { | |
2778 | int cam_exposure, old_exp; | |
2779 | if(!FIRMWARE_VERSION(1,2)) | |
2780 | return; | |
3593cab5 | 2781 | mutex_lock(&cam->param_lock); |
1da177e4 LT |
2782 | if(cam->params.flickerControl.flickerMode == 0 || |
2783 | cam->raw_image[39] == 0) { | |
3593cab5 | 2784 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2785 | return; |
2786 | } | |
2787 | cam_exposure = cam->raw_image[39]*2; | |
2788 | old_exp = cam->params.exposure.coarseExpLo + | |
2789 | cam->params.exposure.coarseExpHi*256; | |
2790 | /* | |
2791 | see how far away camera exposure is from a valid | |
2792 | flicker exposure value | |
2793 | */ | |
2794 | cam_exposure %= cam->params.flickerControl.coarseJump; | |
2795 | if(!cam->params.flickerControl.disabled && | |
2796 | cam_exposure <= cam->params.flickerControl.coarseJump - 3) { | |
2797 | /* Flicker control auto-disabled */ | |
2798 | cam->params.flickerControl.disabled = 1; | |
2799 | } | |
2800 | ||
2801 | if(cam->params.flickerControl.disabled && | |
2802 | cam->params.flickerControl.flickerMode && | |
2803 | old_exp > cam->params.flickerControl.coarseJump + | |
2804 | ROUND_UP_EXP_FOR_FLICKER) { | |
2805 | /* exposure is now high enough to switch | |
2806 | flicker control back on */ | |
2807 | set_flicker(&cam->params, &cam->cmd_queue, 1); | |
2808 | if((cam->cmd_queue & COMMAND_SETEXPOSURE) && | |
2809 | cam->params.exposure.expMode == 2) | |
2810 | cam->exposure_status = EXPOSURE_NORMAL; | |
2811 | ||
2812 | } | |
3593cab5 | 2813 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
2814 | } |
2815 | #undef FIRMWARE_VERSION | |
2816 | ||
2817 | static int clear_stall(struct cam_data *cam) | |
2818 | { | |
2819 | /* FIXME: Does this actually work? */ | |
2820 | LOG("Clearing stall\n"); | |
2821 | ||
2822 | cam->ops->streamRead(cam->lowlevel_data, cam->raw_image, 0); | |
2823 | do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); | |
2824 | return cam->params.status.streamState != STREAM_PAUSED; | |
2825 | } | |
2826 | ||
2827 | /* kernel thread function to read image from camera */ | |
2828 | static int fetch_frame(void *data) | |
2829 | { | |
2830 | int image_size, retry; | |
2831 | struct cam_data *cam = (struct cam_data *)data; | |
2832 | unsigned long oldjif, rate, diff; | |
2833 | ||
2834 | /* Allow up to two bad images in a row to be read and | |
2835 | * ignored before an error is reported */ | |
2836 | for (retry = 0; retry < 3; ++retry) { | |
2837 | if (retry) | |
2838 | DBG("retry=%d\n", retry); | |
2839 | ||
2840 | if (!cam->ops) | |
2841 | continue; | |
2842 | ||
2843 | /* load first frame always uncompressed */ | |
2844 | if (cam->first_frame && | |
2845 | cam->params.compression.mode != CPIA_COMPRESSION_NONE) { | |
2846 | do_command(cam, CPIA_COMMAND_SetCompression, | |
2847 | CPIA_COMPRESSION_NONE, | |
2848 | NO_DECIMATION, 0, 0); | |
2849 | /* Trial & error - Discarding a frame prevents the | |
2850 | first frame from having an error in the data. */ | |
2851 | do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); | |
2852 | } | |
2853 | ||
2854 | /* init camera upload */ | |
2855 | if (do_command(cam, CPIA_COMMAND_GrabFrame, 0, | |
2856 | cam->params.streamStartLine, 0, 0)) | |
2857 | continue; | |
2858 | ||
2859 | if (cam->ops->wait_for_stream_ready) { | |
2860 | /* loop until image ready */ | |
2861 | int count = 0; | |
2862 | do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0); | |
2863 | while (cam->params.status.streamState != STREAM_READY) { | |
2864 | if(++count > READY_TIMEOUT) | |
2865 | break; | |
2866 | if(cam->params.status.streamState == | |
2867 | STREAM_PAUSED) { | |
2868 | /* Bad news */ | |
2869 | if(!clear_stall(cam)) | |
2870 | return -EIO; | |
2871 | } | |
2872 | ||
2873 | cond_resched(); | |
2874 | ||
2875 | /* sleep for 10 ms, hopefully ;) */ | |
2876 | msleep_interruptible(10); | |
2877 | if (signal_pending(current)) | |
2878 | return -EINTR; | |
2879 | ||
2880 | do_command(cam, CPIA_COMMAND_GetCameraStatus, | |
2881 | 0, 0, 0, 0); | |
2882 | } | |
2883 | if(cam->params.status.streamState != STREAM_READY) { | |
2884 | continue; | |
2885 | } | |
2886 | } | |
2887 | ||
2888 | cond_resched(); | |
2889 | ||
2890 | /* grab image from camera */ | |
2891 | oldjif = jiffies; | |
2892 | image_size = cam->ops->streamRead(cam->lowlevel_data, | |
2893 | cam->raw_image, 0); | |
2894 | if (image_size <= 0) { | |
2895 | DBG("streamRead failed: %d\n", image_size); | |
2896 | continue; | |
2897 | } | |
2898 | ||
2899 | rate = image_size * HZ / 1024; | |
2900 | diff = jiffies-oldjif; | |
2901 | cam->transfer_rate = diff==0 ? rate : rate/diff; | |
2902 | /* diff==0 ? unlikely but possible */ | |
2903 | ||
2904 | /* Switch flicker control back on if it got turned off */ | |
2905 | restart_flicker(cam); | |
2906 | ||
2907 | /* If AEC is enabled, monitor the exposure and | |
2908 | adjust the sensor frame rate if needed */ | |
2909 | if(cam->params.exposure.expMode == 2) | |
2910 | monitor_exposure(cam); | |
2911 | ||
2912 | /* camera idle now so dispatch queued commands */ | |
2913 | dispatch_commands(cam); | |
2914 | ||
2915 | /* Update our knowledge of the camera state */ | |
2916 | do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); | |
2917 | do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); | |
2918 | do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0); | |
2919 | ||
2920 | /* decompress and convert image to by copying it from | |
2921 | * raw_image to decompressed_frame | |
2922 | */ | |
2923 | ||
2924 | cond_resched(); | |
2925 | ||
2926 | cam->image_size = parse_picture(cam, image_size); | |
2927 | if (cam->image_size <= 0) { | |
2928 | DBG("parse_picture failed %d\n", cam->image_size); | |
2929 | if(cam->params.compression.mode != | |
2930 | CPIA_COMPRESSION_NONE) { | |
2931 | /* Compression may not work right if we | |
2932 | had a bad frame, get the next one | |
2933 | uncompressed. */ | |
2934 | cam->first_frame = 1; | |
2935 | do_command(cam, CPIA_COMMAND_SetGrabMode, | |
2936 | CPIA_GRAB_SINGLE, 0, 0, 0); | |
2937 | /* FIXME: Trial & error - need up to 70ms for | |
2938 | the grab mode change to complete ? */ | |
2939 | msleep_interruptible(70); | |
2940 | if (signal_pending(current)) | |
2941 | return -EINTR; | |
2942 | } | |
2943 | } else | |
2944 | break; | |
2945 | } | |
2946 | ||
2947 | if (retry < 3) { | |
2948 | /* FIXME: this only works for double buffering */ | |
2949 | if (cam->frame[cam->curframe].state == FRAME_READY) { | |
2950 | memcpy(cam->frame[cam->curframe].data, | |
2951 | cam->decompressed_frame.data, | |
2952 | cam->decompressed_frame.count); | |
2953 | cam->frame[cam->curframe].state = FRAME_DONE; | |
2954 | } else | |
2955 | cam->decompressed_frame.state = FRAME_DONE; | |
2956 | ||
2957 | if (cam->first_frame) { | |
2958 | cam->first_frame = 0; | |
2959 | do_command(cam, CPIA_COMMAND_SetCompression, | |
2960 | cam->params.compression.mode, | |
2961 | cam->params.compression.decimation, 0, 0); | |
2962 | ||
2963 | /* Switch from single-grab to continuous grab */ | |
2964 | do_command(cam, CPIA_COMMAND_SetGrabMode, | |
2965 | CPIA_GRAB_CONTINUOUS, 0, 0, 0); | |
2966 | } | |
2967 | return 0; | |
2968 | } | |
2969 | return -EIO; | |
2970 | } | |
2971 | ||
2972 | static int capture_frame(struct cam_data *cam, struct video_mmap *vm) | |
2973 | { | |
2974 | if (!cam->frame_buf) { | |
2975 | /* we do lazy allocation */ | |
2976 | int err; | |
2977 | if ((err = allocate_frame_buf(cam))) | |
2978 | return err; | |
2979 | } | |
2980 | ||
2981 | cam->curframe = vm->frame; | |
2982 | cam->frame[cam->curframe].state = FRAME_READY; | |
2983 | return fetch_frame(cam); | |
2984 | } | |
2985 | ||
2986 | static int goto_high_power(struct cam_data *cam) | |
2987 | { | |
2988 | if (do_command(cam, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0)) | |
2989 | return -EIO; | |
2990 | msleep_interruptible(40); /* windows driver does it too */ | |
2991 | if(signal_pending(current)) | |
2992 | return -EINTR; | |
2993 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) | |
2994 | return -EIO; | |
2995 | if (cam->params.status.systemState == HI_POWER_STATE) { | |
2996 | DBG("camera now in HIGH power state\n"); | |
2997 | return 0; | |
2998 | } | |
2999 | printstatus(cam); | |
3000 | return -EIO; | |
3001 | } | |
3002 | ||
3003 | static int goto_low_power(struct cam_data *cam) | |
3004 | { | |
3005 | if (do_command(cam, CPIA_COMMAND_GotoLoPower, 0, 0, 0, 0)) | |
3006 | return -1; | |
3007 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) | |
3008 | return -1; | |
3009 | if (cam->params.status.systemState == LO_POWER_STATE) { | |
3010 | DBG("camera now in LOW power state\n"); | |
3011 | return 0; | |
3012 | } | |
3013 | printstatus(cam); | |
3014 | return -1; | |
3015 | } | |
3016 | ||
3017 | static void save_camera_state(struct cam_data *cam) | |
3018 | { | |
3019 | if(!(cam->cmd_queue & COMMAND_SETCOLOURBALANCE)) | |
3020 | do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0); | |
3021 | if(!(cam->cmd_queue & COMMAND_SETEXPOSURE)) | |
3022 | do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0); | |
3023 | ||
3024 | DBG("%d/%d/%d/%d/%d/%d/%d/%d\n", | |
3025 | cam->params.exposure.gain, | |
3026 | cam->params.exposure.fineExp, | |
3027 | cam->params.exposure.coarseExpLo, | |
3028 | cam->params.exposure.coarseExpHi, | |
3029 | cam->params.exposure.redComp, | |
3030 | cam->params.exposure.green1Comp, | |
3031 | cam->params.exposure.green2Comp, | |
3032 | cam->params.exposure.blueComp); | |
3033 | DBG("%d/%d/%d\n", | |
3034 | cam->params.colourBalance.redGain, | |
3035 | cam->params.colourBalance.greenGain, | |
3036 | cam->params.colourBalance.blueGain); | |
3037 | } | |
3038 | ||
3039 | static int set_camera_state(struct cam_data *cam) | |
3040 | { | |
3041 | cam->cmd_queue = COMMAND_SETCOMPRESSION | | |
3042 | COMMAND_SETCOMPRESSIONTARGET | | |
3043 | COMMAND_SETCOLOURPARAMS | | |
3044 | COMMAND_SETFORMAT | | |
3045 | COMMAND_SETYUVTHRESH | | |
3046 | COMMAND_SETECPTIMING | | |
3047 | COMMAND_SETCOMPRESSIONPARAMS | | |
3048 | COMMAND_SETEXPOSURE | | |
3049 | COMMAND_SETCOLOURBALANCE | | |
3050 | COMMAND_SETSENSORFPS | | |
3051 | COMMAND_SETAPCOR | | |
3052 | COMMAND_SETFLICKERCTRL | | |
3053 | COMMAND_SETVLOFFSET; | |
3054 | ||
3055 | do_command(cam, CPIA_COMMAND_SetGrabMode, CPIA_GRAB_SINGLE,0,0,0); | |
3056 | dispatch_commands(cam); | |
3057 | ||
3058 | /* Wait 6 frames for the sensor to get all settings and | |
3059 | AEC/ACB to settle */ | |
3060 | msleep_interruptible(6*(cam->params.sensorFps.baserate ? 33 : 40) * | |
3061 | (1 << cam->params.sensorFps.divisor) + 10); | |
3062 | ||
3063 | if(signal_pending(current)) | |
3064 | return -EINTR; | |
3065 | ||
3066 | save_camera_state(cam); | |
3067 | ||
3068 | return 0; | |
3069 | } | |
3070 | ||
3071 | static void get_version_information(struct cam_data *cam) | |
3072 | { | |
3073 | /* GetCPIAVersion */ | |
3074 | do_command(cam, CPIA_COMMAND_GetCPIAVersion, 0, 0, 0, 0); | |
3075 | ||
3076 | /* GetPnPID */ | |
3077 | do_command(cam, CPIA_COMMAND_GetPnPID, 0, 0, 0, 0); | |
3078 | } | |
3079 | ||
3080 | /* initialize camera */ | |
3081 | static int reset_camera(struct cam_data *cam) | |
3082 | { | |
3083 | int err; | |
3084 | /* Start the camera in low power mode */ | |
3085 | if (goto_low_power(cam)) { | |
3086 | if (cam->params.status.systemState != WARM_BOOT_STATE) | |
3087 | return -ENODEV; | |
3088 | ||
3089 | /* FIXME: this is just dirty trial and error */ | |
3090 | err = goto_high_power(cam); | |
3091 | if(err) | |
3092 | return err; | |
3093 | do_command(cam, CPIA_COMMAND_DiscardFrame, 0, 0, 0, 0); | |
3094 | if (goto_low_power(cam)) | |
3095 | return -ENODEV; | |
3096 | } | |
3097 | ||
3098 | /* procedure described in developer's guide p3-28 */ | |
3099 | ||
3100 | /* Check the firmware version. */ | |
3101 | cam->params.version.firmwareVersion = 0; | |
3102 | get_version_information(cam); | |
3103 | if (cam->params.version.firmwareVersion != 1) | |
3104 | return -ENODEV; | |
3105 | ||
3106 | /* A bug in firmware 1-02 limits gainMode to 2 */ | |
3107 | if(cam->params.version.firmwareRevision <= 2 && | |
3108 | cam->params.exposure.gainMode > 2) { | |
3109 | cam->params.exposure.gainMode = 2; | |
3110 | } | |
3111 | ||
3112 | /* set QX3 detected flag */ | |
3113 | cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 && | |
3114 | cam->params.pnpID.product == 0x0001); | |
3115 | ||
3116 | /* The fatal error checking should be done after | |
3117 | * the camera powers up (developer's guide p 3-38) */ | |
3118 | ||
3119 | /* Set streamState before transition to high power to avoid bug | |
3120 | * in firmware 1-02 */ | |
3121 | do_command(cam, CPIA_COMMAND_ModifyCameraStatus, STREAMSTATE, 0, | |
3122 | STREAM_NOT_READY, 0); | |
3123 | ||
3124 | /* GotoHiPower */ | |
3125 | err = goto_high_power(cam); | |
3126 | if (err) | |
3127 | return err; | |
3128 | ||
3129 | /* Check the camera status */ | |
3130 | if (do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0)) | |
3131 | return -EIO; | |
3132 | ||
3133 | if (cam->params.status.fatalError) { | |
3134 | DBG("fatal_error: %#04x\n", | |
3135 | cam->params.status.fatalError); | |
3136 | DBG("vp_status: %#04x\n", | |
3137 | cam->params.status.vpStatus); | |
3138 | if (cam->params.status.fatalError & ~(COM_FLAG|CPIA_FLAG)) { | |
3139 | /* Fatal error in camera */ | |
3140 | return -EIO; | |
3141 | } else if (cam->params.status.fatalError & (COM_FLAG|CPIA_FLAG)) { | |
3142 | /* Firmware 1-02 may do this for parallel port cameras, | |
3143 | * just clear the flags (developer's guide p 3-38) */ | |
3144 | do_command(cam, CPIA_COMMAND_ModifyCameraStatus, | |
3145 | FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0); | |
3146 | } | |
3147 | } | |
3148 | ||
3149 | /* Check the camera status again */ | |
3150 | if (cam->params.status.fatalError) { | |
3151 | if (cam->params.status.fatalError) | |
3152 | return -EIO; | |
3153 | } | |
3154 | ||
3155 | /* VPVersion can't be retrieved before the camera is in HiPower, | |
3156 | * so get it here instead of in get_version_information. */ | |
3157 | do_command(cam, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0); | |
3158 | ||
3159 | /* set camera to a known state */ | |
3160 | return set_camera_state(cam); | |
3161 | } | |
3162 | ||
3163 | static void put_cam(struct cpia_camera_ops* ops) | |
3164 | { | |
3165 | if (ops->owner) | |
3166 | module_put(ops->owner); | |
3167 | } | |
3168 | ||
3169 | /* ------------------------- V4L interface --------------------- */ | |
3170 | static int cpia_open(struct inode *inode, struct file *file) | |
3171 | { | |
3172 | struct video_device *dev = video_devdata(file); | |
3173 | struct cam_data *cam = dev->priv; | |
3174 | int err; | |
3175 | ||
3176 | if (!cam) { | |
3177 | DBG("Internal error, cam_data not found!\n"); | |
3178 | return -ENODEV; | |
3179 | } | |
3180 | ||
3181 | if (cam->open_count > 0) { | |
3182 | DBG("Camera already open\n"); | |
3183 | return -EBUSY; | |
3184 | } | |
3185 | ||
3186 | if (!try_module_get(cam->ops->owner)) | |
3187 | return -ENODEV; | |
3188 | ||
3593cab5 | 3189 | mutex_lock(&cam->busy_lock); |
1da177e4 LT |
3190 | err = -ENOMEM; |
3191 | if (!cam->raw_image) { | |
3192 | cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE); | |
3193 | if (!cam->raw_image) | |
3194 | goto oops; | |
3195 | } | |
3196 | ||
3197 | if (!cam->decompressed_frame.data) { | |
3198 | cam->decompressed_frame.data = rvmalloc(CPIA_MAX_FRAME_SIZE); | |
3199 | if (!cam->decompressed_frame.data) | |
3200 | goto oops; | |
3201 | } | |
3202 | ||
3203 | /* open cpia */ | |
3204 | err = -ENODEV; | |
3205 | if (cam->ops->open(cam->lowlevel_data)) | |
3206 | goto oops; | |
3207 | ||
3208 | /* reset the camera */ | |
3209 | if ((err = reset_camera(cam)) != 0) { | |
3210 | cam->ops->close(cam->lowlevel_data); | |
3211 | goto oops; | |
3212 | } | |
3213 | ||
3214 | err = -EINTR; | |
3215 | if(signal_pending(current)) | |
3216 | goto oops; | |
3217 | ||
3218 | /* Set ownership of /proc/cpia/videoX to current user */ | |
3219 | if(cam->proc_entry) | |
3220 | cam->proc_entry->uid = current->uid; | |
3221 | ||
3222 | /* set mark for loading first frame uncompressed */ | |
3223 | cam->first_frame = 1; | |
3224 | ||
3225 | /* init it to something */ | |
3226 | cam->mmap_kludge = 0; | |
3227 | ||
3228 | ++cam->open_count; | |
3229 | file->private_data = dev; | |
3593cab5 | 3230 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3231 | return 0; |
3232 | ||
3233 | oops: | |
3234 | if (cam->decompressed_frame.data) { | |
3235 | rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); | |
3236 | cam->decompressed_frame.data = NULL; | |
3237 | } | |
3238 | if (cam->raw_image) { | |
3239 | rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); | |
3240 | cam->raw_image = NULL; | |
3241 | } | |
3593cab5 | 3242 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3243 | put_cam(cam->ops); |
3244 | return err; | |
3245 | } | |
3246 | ||
3247 | static int cpia_close(struct inode *inode, struct file *file) | |
3248 | { | |
3249 | struct video_device *dev = file->private_data; | |
3250 | struct cam_data *cam = dev->priv; | |
3251 | ||
3252 | if (cam->ops) { | |
3253 | /* Return ownership of /proc/cpia/videoX to root */ | |
3254 | if(cam->proc_entry) | |
3255 | cam->proc_entry->uid = 0; | |
3256 | ||
3257 | /* save camera state for later open (developers guide ch 3.5.3) */ | |
3258 | save_camera_state(cam); | |
3259 | ||
3260 | /* GotoLoPower */ | |
3261 | goto_low_power(cam); | |
3262 | ||
3263 | /* Update the camera status */ | |
3264 | do_command(cam, CPIA_COMMAND_GetCameraStatus, 0, 0, 0, 0); | |
3265 | ||
3266 | /* cleanup internal state stuff */ | |
3267 | free_frames(cam->frame); | |
3268 | ||
3269 | /* close cpia */ | |
3270 | cam->ops->close(cam->lowlevel_data); | |
3271 | ||
3272 | put_cam(cam->ops); | |
3273 | } | |
3274 | ||
3275 | if (--cam->open_count == 0) { | |
3276 | /* clean up capture-buffers */ | |
3277 | if (cam->raw_image) { | |
3278 | rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE); | |
3279 | cam->raw_image = NULL; | |
3280 | } | |
3281 | ||
3282 | if (cam->decompressed_frame.data) { | |
3283 | rvfree(cam->decompressed_frame.data, CPIA_MAX_FRAME_SIZE); | |
3284 | cam->decompressed_frame.data = NULL; | |
3285 | } | |
3286 | ||
3287 | if (cam->frame_buf) | |
3288 | free_frame_buf(cam); | |
3289 | ||
3290 | if (!cam->ops) | |
3291 | kfree(cam); | |
3292 | } | |
3293 | file->private_data = NULL; | |
3294 | ||
3295 | return 0; | |
3296 | } | |
3297 | ||
3298 | static ssize_t cpia_read(struct file *file, char __user *buf, | |
3299 | size_t count, loff_t *ppos) | |
3300 | { | |
3301 | struct video_device *dev = file->private_data; | |
3302 | struct cam_data *cam = dev->priv; | |
3303 | int err; | |
3304 | ||
3305 | /* make this _really_ smp and multithread-safe */ | |
3593cab5 | 3306 | if (mutex_lock_interruptible(&cam->busy_lock)) |
1da177e4 LT |
3307 | return -EINTR; |
3308 | ||
3309 | if (!buf) { | |
3310 | DBG("buf NULL\n"); | |
3593cab5 | 3311 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3312 | return -EINVAL; |
3313 | } | |
3314 | ||
3315 | if (!count) { | |
3316 | DBG("count 0\n"); | |
3593cab5 | 3317 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3318 | return 0; |
3319 | } | |
3320 | ||
3321 | if (!cam->ops) { | |
3322 | DBG("ops NULL\n"); | |
3593cab5 | 3323 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3324 | return -ENODEV; |
3325 | } | |
3326 | ||
3327 | /* upload frame */ | |
3328 | cam->decompressed_frame.state = FRAME_READY; | |
3329 | cam->mmap_kludge=0; | |
3330 | if((err = fetch_frame(cam)) != 0) { | |
3331 | DBG("ERROR from fetch_frame: %d\n", err); | |
3593cab5 | 3332 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3333 | return err; |
3334 | } | |
3335 | cam->decompressed_frame.state = FRAME_UNUSED; | |
3336 | ||
3337 | /* copy data to user space */ | |
3338 | if (cam->decompressed_frame.count > count) { | |
3339 | DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count, | |
3340 | (unsigned long) count); | |
3593cab5 | 3341 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3342 | return -EFAULT; |
3343 | } | |
3344 | if (copy_to_user(buf, cam->decompressed_frame.data, | |
3345 | cam->decompressed_frame.count)) { | |
3346 | DBG("copy_to_user failed\n"); | |
3593cab5 | 3347 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3348 | return -EFAULT; |
3349 | } | |
3350 | ||
3593cab5 | 3351 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3352 | return cam->decompressed_frame.count; |
3353 | } | |
3354 | ||
3355 | static int cpia_do_ioctl(struct inode *inode, struct file *file, | |
3356 | unsigned int ioctlnr, void *arg) | |
3357 | { | |
3358 | struct video_device *dev = file->private_data; | |
3359 | struct cam_data *cam = dev->priv; | |
3360 | int retval = 0; | |
3361 | ||
3362 | if (!cam || !cam->ops) | |
3363 | return -ENODEV; | |
3364 | ||
3365 | /* make this _really_ smp-safe */ | |
3593cab5 | 3366 | if (mutex_lock_interruptible(&cam->busy_lock)) |
1da177e4 LT |
3367 | return -EINTR; |
3368 | ||
3369 | //DBG("cpia_ioctl: %u\n", ioctlnr); | |
3370 | ||
3371 | switch (ioctlnr) { | |
be787ace | 3372 | /* query capabilities */ |
1da177e4 LT |
3373 | case VIDIOCGCAP: |
3374 | { | |
3375 | struct video_capability *b = arg; | |
3376 | ||
3377 | DBG("VIDIOCGCAP\n"); | |
3378 | strcpy(b->name, "CPiA Camera"); | |
3379 | b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE; | |
3380 | b->channels = 1; | |
3381 | b->audios = 0; | |
3382 | b->maxwidth = 352; /* VIDEOSIZE_CIF */ | |
3383 | b->maxheight = 288; | |
3384 | b->minwidth = 48; /* VIDEOSIZE_48_48 */ | |
3385 | b->minheight = 48; | |
3386 | break; | |
3387 | } | |
3388 | ||
3389 | /* get/set video source - we are a camera and nothing else */ | |
3390 | case VIDIOCGCHAN: | |
3391 | { | |
3392 | struct video_channel *v = arg; | |
3393 | ||
3394 | DBG("VIDIOCGCHAN\n"); | |
3395 | if (v->channel != 0) { | |
3396 | retval = -EINVAL; | |
3397 | break; | |
3398 | } | |
3399 | ||
3400 | v->channel = 0; | |
3401 | strcpy(v->name, "Camera"); | |
3402 | v->tuners = 0; | |
3403 | v->flags = 0; | |
3404 | v->type = VIDEO_TYPE_CAMERA; | |
3405 | v->norm = 0; | |
3406 | break; | |
3407 | } | |
3408 | ||
3409 | case VIDIOCSCHAN: | |
3410 | { | |
3411 | struct video_channel *v = arg; | |
3412 | ||
3413 | DBG("VIDIOCSCHAN\n"); | |
3414 | if (v->channel != 0) | |
3415 | retval = -EINVAL; | |
3416 | break; | |
3417 | } | |
3418 | ||
3419 | /* image properties */ | |
3420 | case VIDIOCGPICT: | |
3421 | { | |
3422 | struct video_picture *pic = arg; | |
3423 | DBG("VIDIOCGPICT\n"); | |
3424 | *pic = cam->vp; | |
3425 | break; | |
3426 | } | |
3427 | ||
3428 | case VIDIOCSPICT: | |
3429 | { | |
3430 | struct video_picture *vp = arg; | |
3431 | ||
3432 | DBG("VIDIOCSPICT\n"); | |
3433 | ||
3434 | /* check validity */ | |
3435 | DBG("palette: %d\n", vp->palette); | |
3436 | DBG("depth: %d\n", vp->depth); | |
3437 | if (!valid_mode(vp->palette, vp->depth)) { | |
3438 | retval = -EINVAL; | |
3439 | break; | |
3440 | } | |
3441 | ||
3593cab5 | 3442 | mutex_lock(&cam->param_lock); |
1da177e4 LT |
3443 | /* brightness, colour, contrast need no check 0-65535 */ |
3444 | cam->vp = *vp; | |
3445 | /* update cam->params.colourParams */ | |
3446 | cam->params.colourParams.brightness = vp->brightness*100/65535; | |
3447 | cam->params.colourParams.contrast = vp->contrast*100/65535; | |
3448 | cam->params.colourParams.saturation = vp->colour*100/65535; | |
3449 | /* contrast is in steps of 8, so round */ | |
3450 | cam->params.colourParams.contrast = | |
3451 | ((cam->params.colourParams.contrast + 3) / 8) * 8; | |
3452 | if (cam->params.version.firmwareVersion == 1 && | |
3453 | cam->params.version.firmwareRevision == 2 && | |
3454 | cam->params.colourParams.contrast > 80) { | |
3455 | /* 1-02 firmware limits contrast to 80 */ | |
3456 | cam->params.colourParams.contrast = 80; | |
3457 | } | |
3458 | ||
3459 | /* Adjust flicker control if necessary */ | |
3460 | if(cam->params.flickerControl.allowableOverExposure < 0) | |
3461 | cam->params.flickerControl.allowableOverExposure = | |
3462 | -find_over_exposure(cam->params.colourParams.brightness); | |
3463 | if(cam->params.flickerControl.flickerMode != 0) | |
3464 | cam->cmd_queue |= COMMAND_SETFLICKERCTRL; | |
3465 | ||
3466 | ||
3467 | /* queue command to update camera */ | |
3468 | cam->cmd_queue |= COMMAND_SETCOLOURPARAMS; | |
3593cab5 | 3469 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
3470 | DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n", |
3471 | vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour, | |
3472 | vp->contrast); | |
3473 | break; | |
3474 | } | |
3475 | ||
3476 | /* get/set capture window */ | |
3477 | case VIDIOCGWIN: | |
3478 | { | |
3479 | struct video_window *vw = arg; | |
3480 | DBG("VIDIOCGWIN\n"); | |
3481 | ||
3482 | *vw = cam->vw; | |
3483 | break; | |
3484 | } | |
3485 | ||
3486 | case VIDIOCSWIN: | |
3487 | { | |
3488 | /* copy_from_user, check validity, copy to internal structure */ | |
3489 | struct video_window *vw = arg; | |
3490 | DBG("VIDIOCSWIN\n"); | |
3491 | ||
3492 | if (vw->clipcount != 0) { /* clipping not supported */ | |
3493 | retval = -EINVAL; | |
3494 | break; | |
3495 | } | |
3496 | if (vw->clips != NULL) { /* clipping not supported */ | |
3497 | retval = -EINVAL; | |
3498 | break; | |
3499 | } | |
3500 | ||
3501 | /* we set the video window to something smaller or equal to what | |
3502 | * is requested by the user??? | |
3503 | */ | |
3593cab5 | 3504 | mutex_lock(&cam->param_lock); |
1da177e4 LT |
3505 | if (vw->width != cam->vw.width || vw->height != cam->vw.height) { |
3506 | int video_size = match_videosize(vw->width, vw->height); | |
3507 | ||
3508 | if (video_size < 0) { | |
3509 | retval = -EINVAL; | |
3593cab5 | 3510 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
3511 | break; |
3512 | } | |
3513 | cam->video_size = video_size; | |
3514 | ||
3515 | /* video size is changing, reset the subcapture area */ | |
3516 | memset(&cam->vc, 0, sizeof(cam->vc)); | |
3517 | ||
3518 | set_vw_size(cam); | |
3519 | DBG("%d / %d\n", cam->vw.width, cam->vw.height); | |
3520 | cam->cmd_queue |= COMMAND_SETFORMAT; | |
3521 | } | |
3522 | ||
3593cab5 | 3523 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
3524 | |
3525 | /* setformat ignored by camera during streaming, | |
3526 | * so stop/dispatch/start */ | |
3527 | if (cam->cmd_queue & COMMAND_SETFORMAT) { | |
3528 | DBG("\n"); | |
3529 | dispatch_commands(cam); | |
3530 | } | |
3531 | DBG("%d/%d:%d\n", cam->video_size, | |
3532 | cam->vw.width, cam->vw.height); | |
3533 | break; | |
3534 | } | |
3535 | ||
3536 | /* mmap interface */ | |
3537 | case VIDIOCGMBUF: | |
3538 | { | |
3539 | struct video_mbuf *vm = arg; | |
3540 | int i; | |
3541 | ||
3542 | DBG("VIDIOCGMBUF\n"); | |
3543 | memset(vm, 0, sizeof(*vm)); | |
3544 | vm->size = CPIA_MAX_FRAME_SIZE*FRAME_NUM; | |
3545 | vm->frames = FRAME_NUM; | |
3546 | for (i = 0; i < FRAME_NUM; i++) | |
3547 | vm->offsets[i] = CPIA_MAX_FRAME_SIZE * i; | |
3548 | break; | |
3549 | } | |
3550 | ||
3551 | case VIDIOCMCAPTURE: | |
3552 | { | |
3553 | struct video_mmap *vm = arg; | |
3554 | int video_size; | |
3555 | ||
3556 | DBG("VIDIOCMCAPTURE: %d / %d / %dx%d\n", vm->format, vm->frame, | |
3557 | vm->width, vm->height); | |
3558 | if (vm->frame<0||vm->frame>=FRAME_NUM) { | |
3559 | retval = -EINVAL; | |
3560 | break; | |
3561 | } | |
3562 | ||
3563 | /* set video format */ | |
3564 | cam->vp.palette = vm->format; | |
3565 | switch(vm->format) { | |
3566 | case VIDEO_PALETTE_GREY: | |
3567 | cam->vp.depth=8; | |
3568 | break; | |
3569 | case VIDEO_PALETTE_RGB555: | |
3570 | case VIDEO_PALETTE_RGB565: | |
3571 | case VIDEO_PALETTE_YUV422: | |
3572 | case VIDEO_PALETTE_YUYV: | |
3573 | case VIDEO_PALETTE_UYVY: | |
3574 | cam->vp.depth = 16; | |
3575 | break; | |
3576 | case VIDEO_PALETTE_RGB24: | |
3577 | cam->vp.depth = 24; | |
3578 | break; | |
3579 | case VIDEO_PALETTE_RGB32: | |
3580 | cam->vp.depth = 32; | |
3581 | break; | |
3582 | default: | |
3583 | retval = -EINVAL; | |
3584 | break; | |
3585 | } | |
3586 | if (retval) | |
3587 | break; | |
3588 | ||
3589 | /* set video size */ | |
3590 | video_size = match_videosize(vm->width, vm->height); | |
3591 | if (video_size < 0) { | |
3592 | retval = -EINVAL; | |
3593 | break; | |
3594 | } | |
3595 | if (video_size != cam->video_size) { | |
3596 | cam->video_size = video_size; | |
3597 | ||
3598 | /* video size is changing, reset the subcapture area */ | |
3599 | memset(&cam->vc, 0, sizeof(cam->vc)); | |
3600 | ||
3601 | set_vw_size(cam); | |
3602 | cam->cmd_queue |= COMMAND_SETFORMAT; | |
3603 | dispatch_commands(cam); | |
3604 | } | |
3605 | /* according to v4l-spec we must start streaming here */ | |
3606 | cam->mmap_kludge = 1; | |
3607 | retval = capture_frame(cam, vm); | |
3608 | ||
3609 | break; | |
3610 | } | |
3611 | ||
3612 | case VIDIOCSYNC: | |
3613 | { | |
3614 | int *frame = arg; | |
3615 | ||
3616 | //DBG("VIDIOCSYNC: %d\n", *frame); | |
3617 | ||
3618 | if (*frame<0 || *frame >= FRAME_NUM) { | |
3619 | retval = -EINVAL; | |
3620 | break; | |
3621 | } | |
3622 | ||
3623 | switch (cam->frame[*frame].state) { | |
3624 | case FRAME_UNUSED: | |
3625 | case FRAME_READY: | |
3626 | case FRAME_GRABBING: | |
3627 | DBG("sync to unused frame %d\n", *frame); | |
3628 | retval = -EINVAL; | |
3629 | break; | |
3630 | ||
3631 | case FRAME_DONE: | |
3632 | cam->frame[*frame].state = FRAME_UNUSED; | |
3633 | //DBG("VIDIOCSYNC: %d synced\n", *frame); | |
3634 | break; | |
3635 | } | |
3636 | if (retval == -EINTR) { | |
3637 | /* FIXME - xawtv does not handle this nice */ | |
3638 | retval = 0; | |
3639 | } | |
3640 | break; | |
3641 | } | |
3642 | ||
3643 | case VIDIOCGCAPTURE: | |
3644 | { | |
3645 | struct video_capture *vc = arg; | |
3646 | ||
3647 | DBG("VIDIOCGCAPTURE\n"); | |
3648 | ||
3649 | *vc = cam->vc; | |
3650 | ||
3651 | break; | |
3652 | } | |
3653 | ||
3654 | case VIDIOCSCAPTURE: | |
3655 | { | |
3656 | struct video_capture *vc = arg; | |
3657 | ||
3658 | DBG("VIDIOCSCAPTURE\n"); | |
3659 | ||
3660 | if (vc->decimation != 0) { /* How should this be used? */ | |
3661 | retval = -EINVAL; | |
3662 | break; | |
3663 | } | |
3664 | if (vc->flags != 0) { /* Even/odd grab not supported */ | |
3665 | retval = -EINVAL; | |
3666 | break; | |
3667 | } | |
3668 | ||
3669 | /* Clip to the resolution we can set for the ROI | |
3670 | (every 8 columns and 4 rows) */ | |
3671 | vc->x = vc->x & ~(__u32)7; | |
3672 | vc->y = vc->y & ~(__u32)3; | |
3673 | vc->width = vc->width & ~(__u32)7; | |
3674 | vc->height = vc->height & ~(__u32)3; | |
3675 | ||
3676 | if(vc->width == 0 || vc->height == 0 || | |
3677 | vc->x + vc->width > cam->vw.width || | |
3678 | vc->y + vc->height > cam->vw.height) { | |
3679 | retval = -EINVAL; | |
3680 | break; | |
3681 | } | |
3682 | ||
3683 | DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height); | |
3684 | ||
3593cab5 | 3685 | mutex_lock(&cam->param_lock); |
1da177e4 LT |
3686 | |
3687 | cam->vc.x = vc->x; | |
3688 | cam->vc.y = vc->y; | |
3689 | cam->vc.width = vc->width; | |
3690 | cam->vc.height = vc->height; | |
3691 | ||
3692 | set_vw_size(cam); | |
3693 | cam->cmd_queue |= COMMAND_SETFORMAT; | |
3694 | ||
3593cab5 | 3695 | mutex_unlock(&cam->param_lock); |
1da177e4 LT |
3696 | |
3697 | /* setformat ignored by camera during streaming, | |
3698 | * so stop/dispatch/start */ | |
3699 | dispatch_commands(cam); | |
3700 | break; | |
3701 | } | |
3702 | ||
3703 | case VIDIOCGUNIT: | |
3704 | { | |
3705 | struct video_unit *vu = arg; | |
3706 | ||
3707 | DBG("VIDIOCGUNIT\n"); | |
3708 | ||
3709 | vu->video = cam->vdev.minor; | |
3710 | vu->vbi = VIDEO_NO_UNIT; | |
3711 | vu->radio = VIDEO_NO_UNIT; | |
3712 | vu->audio = VIDEO_NO_UNIT; | |
3713 | vu->teletext = VIDEO_NO_UNIT; | |
3714 | ||
3715 | break; | |
3716 | } | |
3717 | ||
3718 | ||
3719 | /* pointless to implement overlay with this camera */ | |
3720 | case VIDIOCCAPTURE: | |
3721 | case VIDIOCGFBUF: | |
3722 | case VIDIOCSFBUF: | |
3723 | case VIDIOCKEY: | |
3724 | /* tuner interface - we have none */ | |
3725 | case VIDIOCGTUNER: | |
3726 | case VIDIOCSTUNER: | |
3727 | case VIDIOCGFREQ: | |
3728 | case VIDIOCSFREQ: | |
3729 | /* audio interface - we have none */ | |
3730 | case VIDIOCGAUDIO: | |
3731 | case VIDIOCSAUDIO: | |
3732 | retval = -EINVAL; | |
3733 | break; | |
3734 | default: | |
3735 | retval = -ENOIOCTLCMD; | |
3736 | break; | |
3737 | } | |
3738 | ||
3593cab5 | 3739 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3740 | return retval; |
3741 | } | |
3742 | ||
3743 | static int cpia_ioctl(struct inode *inode, struct file *file, | |
3744 | unsigned int cmd, unsigned long arg) | |
3745 | { | |
3746 | return video_usercopy(inode, file, cmd, arg, cpia_do_ioctl); | |
3747 | } | |
3748 | ||
3749 | ||
3750 | /* FIXME */ | |
3751 | static int cpia_mmap(struct file *file, struct vm_area_struct *vma) | |
3752 | { | |
3753 | struct video_device *dev = file->private_data; | |
3754 | unsigned long start = vma->vm_start; | |
3755 | unsigned long size = vma->vm_end - vma->vm_start; | |
3756 | unsigned long page, pos; | |
3757 | struct cam_data *cam = dev->priv; | |
3758 | int retval; | |
3759 | ||
3760 | if (!cam || !cam->ops) | |
3761 | return -ENODEV; | |
3762 | ||
3763 | DBG("cpia_mmap: %ld\n", size); | |
3764 | ||
3765 | if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE) | |
3766 | return -EINVAL; | |
3767 | ||
3768 | if (!cam || !cam->ops) | |
3769 | return -ENODEV; | |
3770 | ||
3771 | /* make this _really_ smp-safe */ | |
3593cab5 | 3772 | if (mutex_lock_interruptible(&cam->busy_lock)) |
1da177e4 LT |
3773 | return -EINTR; |
3774 | ||
3775 | if (!cam->frame_buf) { /* we do lazy allocation */ | |
3776 | if ((retval = allocate_frame_buf(cam))) { | |
3593cab5 | 3777 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3778 | return retval; |
3779 | } | |
3780 | } | |
3781 | ||
3782 | pos = (unsigned long)(cam->frame_buf); | |
3783 | while (size > 0) { | |
3784 | page = vmalloc_to_pfn((void *)pos); | |
3785 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { | |
3593cab5 | 3786 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3787 | return -EAGAIN; |
3788 | } | |
3789 | start += PAGE_SIZE; | |
3790 | pos += PAGE_SIZE; | |
3791 | if (size > PAGE_SIZE) | |
3792 | size -= PAGE_SIZE; | |
3793 | else | |
3794 | size = 0; | |
3795 | } | |
3796 | ||
3797 | DBG("cpia_mmap: %ld\n", size); | |
3593cab5 | 3798 | mutex_unlock(&cam->busy_lock); |
1da177e4 LT |
3799 | |
3800 | return 0; | |
3801 | } | |
3802 | ||
3803 | static struct file_operations cpia_fops = { | |
3804 | .owner = THIS_MODULE, | |
3805 | .open = cpia_open, | |
3806 | .release = cpia_close, | |
3807 | .read = cpia_read, | |
3808 | .mmap = cpia_mmap, | |
3809 | .ioctl = cpia_ioctl, | |
0d0fbf81 | 3810 | .compat_ioctl = v4l_compat_ioctl32, |
1da177e4 LT |
3811 | .llseek = no_llseek, |
3812 | }; | |
3813 | ||
3814 | static struct video_device cpia_template = { | |
3815 | .owner = THIS_MODULE, | |
3816 | .name = "CPiA Camera", | |
3817 | .type = VID_TYPE_CAPTURE, | |
3818 | .hardware = VID_HARDWARE_CPIA, | |
3819 | .fops = &cpia_fops, | |
3820 | }; | |
3821 | ||
3822 | /* initialise cam_data structure */ | |
3823 | static void reset_camera_struct(struct cam_data *cam) | |
3824 | { | |
3825 | /* The following parameter values are the defaults from | |
3826 | * "Software Developer's Guide for CPiA Cameras". Any changes | |
3827 | * to the defaults are noted in comments. */ | |
3828 | cam->params.colourParams.brightness = 50; | |
3829 | cam->params.colourParams.contrast = 48; | |
3830 | cam->params.colourParams.saturation = 50; | |
3831 | cam->params.exposure.gainMode = 4; | |
3832 | cam->params.exposure.expMode = 2; /* AEC */ | |
3833 | cam->params.exposure.compMode = 1; | |
3834 | cam->params.exposure.centreWeight = 1; | |
3835 | cam->params.exposure.gain = 0; | |
3836 | cam->params.exposure.fineExp = 0; | |
3837 | cam->params.exposure.coarseExpLo = 185; | |
3838 | cam->params.exposure.coarseExpHi = 0; | |
3839 | cam->params.exposure.redComp = COMP_RED; | |
3840 | cam->params.exposure.green1Comp = COMP_GREEN1; | |
3841 | cam->params.exposure.green2Comp = COMP_GREEN2; | |
3842 | cam->params.exposure.blueComp = COMP_BLUE; | |
3843 | cam->params.colourBalance.balanceMode = 2; /* ACB */ | |
3844 | cam->params.colourBalance.redGain = 32; | |
3845 | cam->params.colourBalance.greenGain = 6; | |
3846 | cam->params.colourBalance.blueGain = 92; | |
3847 | cam->params.apcor.gain1 = 0x18; | |
3848 | cam->params.apcor.gain2 = 0x16; | |
3849 | cam->params.apcor.gain4 = 0x24; | |
3850 | cam->params.apcor.gain8 = 0x34; | |
3851 | cam->params.flickerControl.flickerMode = 0; | |
3852 | cam->params.flickerControl.disabled = 1; | |
3853 | ||
3854 | cam->params.flickerControl.coarseJump = | |
3855 | flicker_jumps[cam->mainsFreq] | |
3856 | [cam->params.sensorFps.baserate] | |
3857 | [cam->params.sensorFps.divisor]; | |
3858 | cam->params.flickerControl.allowableOverExposure = | |
3859 | -find_over_exposure(cam->params.colourParams.brightness); | |
3860 | cam->params.vlOffset.gain1 = 20; | |
3861 | cam->params.vlOffset.gain2 = 24; | |
3862 | cam->params.vlOffset.gain4 = 26; | |
3863 | cam->params.vlOffset.gain8 = 26; | |
3864 | cam->params.compressionParams.hysteresis = 3; | |
3865 | cam->params.compressionParams.threshMax = 11; | |
3866 | cam->params.compressionParams.smallStep = 1; | |
3867 | cam->params.compressionParams.largeStep = 3; | |
3868 | cam->params.compressionParams.decimationHysteresis = 2; | |
3869 | cam->params.compressionParams.frDiffStepThresh = 5; | |
3870 | cam->params.compressionParams.qDiffStepThresh = 3; | |
3871 | cam->params.compressionParams.decimationThreshMod = 2; | |
3872 | /* End of default values from Software Developer's Guide */ | |
3873 | ||
3874 | cam->transfer_rate = 0; | |
3875 | cam->exposure_status = EXPOSURE_NORMAL; | |
3876 | ||
3877 | /* Set Sensor FPS to 15fps. This seems better than 30fps | |
3878 | * for indoor lighting. */ | |
3879 | cam->params.sensorFps.divisor = 1; | |
3880 | cam->params.sensorFps.baserate = 1; | |
3881 | ||
3882 | cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */ | |
3883 | cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */ | |
3884 | ||
3885 | cam->params.format.subSample = SUBSAMPLE_422; | |
3886 | cam->params.format.yuvOrder = YUVORDER_YUYV; | |
3887 | ||
3888 | cam->params.compression.mode = CPIA_COMPRESSION_AUTO; | |
3889 | cam->params.compressionTarget.frTargeting = | |
3890 | CPIA_COMPRESSION_TARGET_QUALITY; | |
3891 | cam->params.compressionTarget.targetFR = 15; /* From windows driver */ | |
3892 | cam->params.compressionTarget.targetQ = 5; /* From windows driver */ | |
3893 | ||
3894 | cam->params.qx3.qx3_detected = 0; | |
3895 | cam->params.qx3.toplight = 0; | |
3896 | cam->params.qx3.bottomlight = 0; | |
3897 | cam->params.qx3.button = 0; | |
3898 | cam->params.qx3.cradled = 0; | |
3899 | ||
3900 | cam->video_size = VIDEOSIZE_CIF; | |
3901 | ||
3902 | cam->vp.colour = 32768; /* 50% */ | |
3903 | cam->vp.hue = 32768; /* 50% */ | |
3904 | cam->vp.brightness = 32768; /* 50% */ | |
3905 | cam->vp.contrast = 32768; /* 50% */ | |
3906 | cam->vp.whiteness = 0; /* not used -> grayscale only */ | |
3907 | cam->vp.depth = 24; /* to be set by user */ | |
3908 | cam->vp.palette = VIDEO_PALETTE_RGB24; /* to be set by user */ | |
3909 | ||
3910 | cam->vc.x = 0; | |
3911 | cam->vc.y = 0; | |
3912 | cam->vc.width = 0; | |
3913 | cam->vc.height = 0; | |
3914 | ||
3915 | cam->vw.x = 0; | |
3916 | cam->vw.y = 0; | |
3917 | set_vw_size(cam); | |
3918 | cam->vw.chromakey = 0; | |
3919 | cam->vw.flags = 0; | |
3920 | cam->vw.clipcount = 0; | |
3921 | cam->vw.clips = NULL; | |
3922 | ||
3923 | cam->cmd_queue = COMMAND_NONE; | |
3924 | cam->first_frame = 1; | |
3925 | ||
3926 | return; | |
3927 | } | |
3928 | ||
3929 | /* initialize cam_data structure */ | |
3930 | static void init_camera_struct(struct cam_data *cam, | |
3931 | struct cpia_camera_ops *ops ) | |
3932 | { | |
3933 | int i; | |
3934 | ||
3935 | /* Default everything to 0 */ | |
3936 | memset(cam, 0, sizeof(struct cam_data)); | |
3937 | ||
3938 | cam->ops = ops; | |
3593cab5 IM |
3939 | mutex_init(&cam->param_lock); |
3940 | mutex_init(&cam->busy_lock); | |
1da177e4 LT |
3941 | |
3942 | reset_camera_struct(cam); | |
3943 | ||
3944 | cam->proc_entry = NULL; | |
3945 | ||
3946 | memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template)); | |
3947 | cam->vdev.priv = cam; | |
3948 | ||
3949 | cam->curframe = 0; | |
3950 | for (i = 0; i < FRAME_NUM; i++) { | |
3951 | cam->frame[i].width = 0; | |
3952 | cam->frame[i].height = 0; | |
3953 | cam->frame[i].state = FRAME_UNUSED; | |
3954 | cam->frame[i].data = NULL; | |
3955 | } | |
3956 | cam->decompressed_frame.width = 0; | |
3957 | cam->decompressed_frame.height = 0; | |
3958 | cam->decompressed_frame.state = FRAME_UNUSED; | |
3959 | cam->decompressed_frame.data = NULL; | |
3960 | } | |
3961 | ||
3962 | struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel) | |
3963 | { | |
3964 | struct cam_data *camera; | |
3965 | ||
3966 | if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL) | |
3967 | return NULL; | |
3968 | ||
3969 | ||
3970 | init_camera_struct( camera, ops ); | |
3971 | camera->lowlevel_data = lowlevel; | |
3972 | ||
3973 | /* register v4l device */ | |
3974 | if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) == -1) { | |
3975 | kfree(camera); | |
3976 | printk(KERN_DEBUG "video_register_device failed\n"); | |
3977 | return NULL; | |
3978 | } | |
3979 | ||
3980 | /* get version information from camera: open/reset/close */ | |
3981 | ||
3982 | /* open cpia */ | |
3983 | if (camera->ops->open(camera->lowlevel_data)) | |
3984 | return camera; | |
3985 | ||
3986 | /* reset the camera */ | |
3987 | if (reset_camera(camera) != 0) { | |
3988 | camera->ops->close(camera->lowlevel_data); | |
3989 | return camera; | |
3990 | } | |
3991 | ||
3992 | /* close cpia */ | |
3993 | camera->ops->close(camera->lowlevel_data); | |
3994 | ||
3995 | #ifdef CONFIG_PROC_FS | |
3996 | create_proc_cpia_cam(camera); | |
3997 | #endif | |
3998 | ||
3999 | printk(KERN_INFO " CPiA Version: %d.%02d (%d.%d)\n", | |
4000 | camera->params.version.firmwareVersion, | |
4001 | camera->params.version.firmwareRevision, | |
4002 | camera->params.version.vcVersion, | |
4003 | camera->params.version.vcRevision); | |
4004 | printk(KERN_INFO " CPiA PnP-ID: %04x:%04x:%04x\n", | |
4005 | camera->params.pnpID.vendor, | |
4006 | camera->params.pnpID.product, | |
4007 | camera->params.pnpID.deviceRevision); | |
4008 | printk(KERN_INFO " VP-Version: %d.%d %04x\n", | |
4009 | camera->params.vpVersion.vpVersion, | |
4010 | camera->params.vpVersion.vpRevision, | |
4011 | camera->params.vpVersion.cameraHeadID); | |
4012 | ||
4013 | return camera; | |
4014 | } | |
4015 | ||
4016 | void cpia_unregister_camera(struct cam_data *cam) | |
4017 | { | |
4018 | DBG("unregistering video\n"); | |
4019 | video_unregister_device(&cam->vdev); | |
4020 | if (cam->open_count) { | |
4021 | put_cam(cam->ops); | |
4022 | DBG("camera open -- setting ops to NULL\n"); | |
4023 | cam->ops = NULL; | |
4024 | } | |
4025 | ||
4026 | #ifdef CONFIG_PROC_FS | |
4027 | DBG("destroying /proc/cpia/video%d\n", cam->vdev.minor); | |
4028 | destroy_proc_cpia_cam(cam); | |
4029 | #endif | |
4030 | if (!cam->open_count) { | |
4031 | DBG("freeing camera\n"); | |
4032 | kfree(cam); | |
4033 | } | |
4034 | } | |
4035 | ||
4036 | static int __init cpia_init(void) | |
4037 | { | |
4038 | printk(KERN_INFO "%s v%d.%d.%d\n", ABOUT, | |
4039 | CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER); | |
4040 | ||
4041 | printk(KERN_WARNING "Since in-kernel colorspace conversion is not " | |
4042 | "allowed, it is disabled by default now. Users should fix the " | |
4043 | "applications in case they don't work without conversion " | |
4044 | "reenabled by setting the 'colorspace_conv' module " | |
4045 | "parameter to 1"); | |
4046 | ||
4047 | #ifdef CONFIG_PROC_FS | |
4048 | proc_cpia_create(); | |
4049 | #endif | |
4050 | ||
4051 | #ifdef CONFIG_VIDEO_CPIA_PP | |
4052 | cpia_pp_init(); | |
4053 | #endif | |
4054 | #ifdef CONFIG_VIDEO_CPIA_USB | |
4055 | cpia_usb_init(); | |
4056 | #endif | |
4057 | ||
4058 | return 0; | |
4059 | } | |
4060 | ||
4061 | static void __exit cpia_exit(void) | |
4062 | { | |
4063 | #ifdef CONFIG_PROC_FS | |
4064 | proc_cpia_destroy(); | |
4065 | #endif | |
4066 | } | |
4067 | ||
4068 | module_init(cpia_init); | |
4069 | module_exit(cpia_exit); | |
4070 | ||
4071 | /* Exported symbols for modules. */ | |
4072 | ||
4073 | EXPORT_SYMBOL(cpia_register_camera); | |
4074 | EXPORT_SYMBOL(cpia_unregister_camera); |