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1da177e4 LT |
1 | /* |
2 | * OmniVision OV511 Camera-to-USB Bridge Driver | |
3 | * | |
4 | * Copyright (c) 1999-2003 Mark W. McClelland | |
5 | * Original decompression code Copyright 1998-2000 OmniVision Technologies | |
6 | * Many improvements by Bret Wallach <bwallac1@san.rr.com> | |
7 | * Color fixes by by Orion Sky Lawlor <olawlor@acm.org> (2/26/2000) | |
8 | * Snapshot code by Kevin Moore | |
9 | * OV7620 fixes by Charl P. Botha <cpbotha@ieee.org> | |
10 | * Changes by Claudio Matsuoka <claudio@conectiva.com> | |
11 | * Original SAA7111A code by Dave Perks <dperks@ibm.net> | |
12 | * URB error messages from pwc driver by Nemosoft | |
13 | * generic_ioctl() code from videodev.c by Gerd Knorr and Alan Cox | |
14 | * Memory management (rvmalloc) code from bttv driver, by Gerd Knorr and others | |
15 | * | |
16 | * Based on the Linux CPiA driver written by Peter Pregler, | |
17 | * Scott J. Bertin and Johannes Erdfelt. | |
d56410e0 | 18 | * |
1da177e4 LT |
19 | * Please see the file: Documentation/usb/ov511.txt |
20 | * and the website at: http://alpha.dyndns.org/ov511 | |
21 | * for more info. | |
22 | * | |
23 | * This program is free software; you can redistribute it and/or modify it | |
24 | * under the terms of the GNU General Public License as published by the | |
25 | * Free Software Foundation; either version 2 of the License, or (at your | |
26 | * option) any later version. | |
27 | * | |
28 | * This program is distributed in the hope that it will be useful, but | |
29 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
30 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
31 | * for more details. | |
32 | * | |
33 | * You should have received a copy of the GNU General Public License | |
34 | * along with this program; if not, write to the Free Software Foundation, | |
35 | * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
36 | */ | |
37 | ||
1da177e4 LT |
38 | #include <linux/module.h> |
39 | #include <linux/init.h> | |
40 | #include <linux/vmalloc.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/ctype.h> | |
43 | #include <linux/pagemap.h> | |
1da177e4 LT |
44 | #include <asm/processor.h> |
45 | #include <linux/mm.h> | |
46 | #include <linux/device.h> | |
47 | ||
48 | #if defined (__i386__) | |
49 | #include <asm/cpufeature.h> | |
50 | #endif | |
51 | ||
52 | #include "ov511.h" | |
53 | ||
54 | /* | |
55 | * Version Information | |
56 | */ | |
57 | #define DRIVER_VERSION "v1.64 for Linux 2.5" | |
58 | #define EMAIL "mark@alpha.dyndns.org" | |
59 | #define DRIVER_AUTHOR "Mark McClelland <mark@alpha.dyndns.org> & Bret Wallach \ | |
60 | & Orion Sky Lawlor <olawlor@acm.org> & Kevin Moore & Charl P. Botha \ | |
61 | <cpbotha@ieee.org> & Claudio Matsuoka <claudio@conectiva.com>" | |
62 | #define DRIVER_DESC "ov511 USB Camera Driver" | |
63 | ||
64 | #define OV511_I2C_RETRIES 3 | |
65 | #define ENABLE_Y_QUANTABLE 1 | |
66 | #define ENABLE_UV_QUANTABLE 1 | |
67 | ||
68 | #define OV511_MAX_UNIT_VIDEO 16 | |
69 | ||
70 | /* Pixel count * bytes per YUV420 pixel (1.5) */ | |
71 | #define MAX_FRAME_SIZE(w, h) ((w) * (h) * 3 / 2) | |
72 | ||
73 | #define MAX_DATA_SIZE(w, h) (MAX_FRAME_SIZE(w, h) + sizeof(struct timeval)) | |
74 | ||
75 | /* Max size * bytes per YUV420 pixel (1.5) + one extra isoc frame for safety */ | |
76 | #define MAX_RAW_DATA_SIZE(w, h) ((w) * (h) * 3 / 2 + 1024) | |
77 | ||
78 | #define FATAL_ERROR(rc) ((rc) < 0 && (rc) != -EPERM) | |
79 | ||
80 | /********************************************************************** | |
81 | * Module Parameters | |
82 | * (See ov511.txt for detailed descriptions of these) | |
83 | **********************************************************************/ | |
84 | ||
85 | /* These variables (and all static globals) default to zero */ | |
86 | static int autobright = 1; | |
87 | static int autogain = 1; | |
88 | static int autoexp = 1; | |
89 | static int debug; | |
90 | static int snapshot; | |
91 | static int cams = 1; | |
92 | static int compress; | |
93 | static int testpat; | |
94 | static int dumppix; | |
95 | static int led = 1; | |
96 | static int dump_bridge; | |
97 | static int dump_sensor; | |
98 | static int printph; | |
99 | static int phy = 0x1f; | |
100 | static int phuv = 0x05; | |
101 | static int pvy = 0x06; | |
102 | static int pvuv = 0x06; | |
103 | static int qhy = 0x14; | |
104 | static int qhuv = 0x03; | |
105 | static int qvy = 0x04; | |
106 | static int qvuv = 0x04; | |
107 | static int lightfreq; | |
108 | static int bandingfilter; | |
109 | static int clockdiv = -1; | |
110 | static int packetsize = -1; | |
111 | static int framedrop = -1; | |
112 | static int fastset; | |
113 | static int force_palette; | |
114 | static int backlight; | |
115 | static int unit_video[OV511_MAX_UNIT_VIDEO]; | |
116 | static int remove_zeros; | |
117 | static int mirror; | |
118 | static int ov518_color; | |
119 | ||
120 | module_param(autobright, int, 0); | |
121 | MODULE_PARM_DESC(autobright, "Sensor automatically changes brightness"); | |
122 | module_param(autogain, int, 0); | |
123 | MODULE_PARM_DESC(autogain, "Sensor automatically changes gain"); | |
124 | module_param(autoexp, int, 0); | |
125 | MODULE_PARM_DESC(autoexp, "Sensor automatically changes exposure"); | |
126 | module_param(debug, int, 0); | |
127 | MODULE_PARM_DESC(debug, | |
128 | "Debug level: 0=none, 1=inits, 2=warning, 3=config, 4=functions, 5=max"); | |
129 | module_param(snapshot, int, 0); | |
130 | MODULE_PARM_DESC(snapshot, "Enable snapshot mode"); | |
131 | module_param(cams, int, 0); | |
132 | MODULE_PARM_DESC(cams, "Number of simultaneous cameras"); | |
133 | module_param(compress, int, 0); | |
134 | MODULE_PARM_DESC(compress, "Turn on compression"); | |
135 | module_param(testpat, int, 0); | |
136 | MODULE_PARM_DESC(testpat, | |
137 | "Replace image with vertical bar testpattern (only partially working)"); | |
138 | module_param(dumppix, int, 0); | |
139 | MODULE_PARM_DESC(dumppix, "Dump raw pixel data"); | |
140 | module_param(led, int, 0); | |
141 | MODULE_PARM_DESC(led, | |
142 | "LED policy (OV511+ or later). 0=off, 1=on (default), 2=auto (on when open)"); | |
143 | module_param(dump_bridge, int, 0); | |
144 | MODULE_PARM_DESC(dump_bridge, "Dump the bridge registers"); | |
145 | module_param(dump_sensor, int, 0); | |
146 | MODULE_PARM_DESC(dump_sensor, "Dump the sensor registers"); | |
147 | module_param(printph, int, 0); | |
148 | MODULE_PARM_DESC(printph, "Print frame start/end headers"); | |
149 | module_param(phy, int, 0); | |
150 | MODULE_PARM_DESC(phy, "Prediction range (horiz. Y)"); | |
151 | module_param(phuv, int, 0); | |
152 | MODULE_PARM_DESC(phuv, "Prediction range (horiz. UV)"); | |
153 | module_param(pvy, int, 0); | |
154 | MODULE_PARM_DESC(pvy, "Prediction range (vert. Y)"); | |
155 | module_param(pvuv, int, 0); | |
156 | MODULE_PARM_DESC(pvuv, "Prediction range (vert. UV)"); | |
157 | module_param(qhy, int, 0); | |
158 | MODULE_PARM_DESC(qhy, "Quantization threshold (horiz. Y)"); | |
159 | module_param(qhuv, int, 0); | |
160 | MODULE_PARM_DESC(qhuv, "Quantization threshold (horiz. UV)"); | |
161 | module_param(qvy, int, 0); | |
162 | MODULE_PARM_DESC(qvy, "Quantization threshold (vert. Y)"); | |
163 | module_param(qvuv, int, 0); | |
164 | MODULE_PARM_DESC(qvuv, "Quantization threshold (vert. UV)"); | |
165 | module_param(lightfreq, int, 0); | |
166 | MODULE_PARM_DESC(lightfreq, | |
167 | "Light frequency. Set to 50 or 60 Hz, or zero for default settings"); | |
168 | module_param(bandingfilter, int, 0); | |
169 | MODULE_PARM_DESC(bandingfilter, | |
170 | "Enable banding filter (to reduce effects of fluorescent lighting)"); | |
171 | module_param(clockdiv, int, 0); | |
172 | MODULE_PARM_DESC(clockdiv, "Force pixel clock divisor to a specific value"); | |
173 | module_param(packetsize, int, 0); | |
174 | MODULE_PARM_DESC(packetsize, "Force a specific isoc packet size"); | |
175 | module_param(framedrop, int, 0); | |
176 | MODULE_PARM_DESC(framedrop, "Force a specific frame drop register setting"); | |
177 | module_param(fastset, int, 0); | |
178 | MODULE_PARM_DESC(fastset, "Allows picture settings to take effect immediately"); | |
179 | module_param(force_palette, int, 0); | |
180 | MODULE_PARM_DESC(force_palette, "Force the palette to a specific value"); | |
181 | module_param(backlight, int, 0); | |
182 | MODULE_PARM_DESC(backlight, "For objects that are lit from behind"); | |
64a6f950 | 183 | static unsigned int num_uv; |
1da177e4 LT |
184 | module_param_array(unit_video, int, &num_uv, 0); |
185 | MODULE_PARM_DESC(unit_video, | |
186 | "Force use of specific minor number(s). 0 is not allowed."); | |
187 | module_param(remove_zeros, int, 0); | |
188 | MODULE_PARM_DESC(remove_zeros, | |
189 | "Remove zero-padding from uncompressed incoming data"); | |
190 | module_param(mirror, int, 0); | |
191 | MODULE_PARM_DESC(mirror, "Reverse image horizontally"); | |
192 | module_param(ov518_color, int, 0); | |
193 | MODULE_PARM_DESC(ov518_color, "Enable OV518 color (experimental)"); | |
194 | ||
195 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
196 | MODULE_DESCRIPTION(DRIVER_DESC); | |
197 | MODULE_LICENSE("GPL"); | |
198 | ||
199 | /********************************************************************** | |
200 | * Miscellaneous Globals | |
201 | **********************************************************************/ | |
202 | ||
203 | static struct usb_driver ov511_driver; | |
204 | ||
1da177e4 LT |
205 | /* Number of times to retry a failed I2C transaction. Increase this if you |
206 | * are getting "Failed to read sensor ID..." */ | |
4c4c9432 | 207 | static const int i2c_detect_tries = 5; |
1da177e4 | 208 | |
1da177e4 LT |
209 | static struct usb_device_id device_table [] = { |
210 | { USB_DEVICE(VEND_OMNIVISION, PROD_OV511) }, | |
211 | { USB_DEVICE(VEND_OMNIVISION, PROD_OV511PLUS) }, | |
212 | { USB_DEVICE(VEND_OMNIVISION, PROD_OV518) }, | |
213 | { USB_DEVICE(VEND_OMNIVISION, PROD_OV518PLUS) }, | |
214 | { USB_DEVICE(VEND_MATTEL, PROD_ME2CAM) }, | |
215 | { } /* Terminating entry */ | |
216 | }; | |
217 | ||
218 | MODULE_DEVICE_TABLE (usb, device_table); | |
219 | ||
220 | static unsigned char yQuanTable511[] = OV511_YQUANTABLE; | |
221 | static unsigned char uvQuanTable511[] = OV511_UVQUANTABLE; | |
222 | static unsigned char yQuanTable518[] = OV518_YQUANTABLE; | |
223 | static unsigned char uvQuanTable518[] = OV518_UVQUANTABLE; | |
224 | ||
225 | /********************************************************************** | |
226 | * Symbolic Names | |
227 | **********************************************************************/ | |
228 | ||
229 | /* Known OV511-based cameras */ | |
230 | static struct symbolic_list camlist[] = { | |
231 | { 0, "Generic Camera (no ID)" }, | |
232 | { 1, "Mustek WCam 3X" }, | |
233 | { 3, "D-Link DSB-C300" }, | |
234 | { 4, "Generic OV511/OV7610" }, | |
235 | { 5, "Puretek PT-6007" }, | |
236 | { 6, "Lifeview USB Life TV (NTSC)" }, | |
237 | { 21, "Creative Labs WebCam 3" }, | |
238 | { 22, "Lifeview USB Life TV (PAL D/K+B/G)" }, | |
239 | { 36, "Koala-Cam" }, | |
240 | { 38, "Lifeview USB Life TV (PAL)" }, | |
241 | { 41, "Samsung Anycam MPC-M10" }, | |
242 | { 43, "Mtekvision Zeca MV402" }, | |
243 | { 46, "Suma eON" }, | |
244 | { 70, "Lifeview USB Life TV (PAL/SECAM)" }, | |
245 | { 100, "Lifeview RoboCam" }, | |
246 | { 102, "AverMedia InterCam Elite" }, | |
247 | { 112, "MediaForte MV300" }, /* or OV7110 evaluation kit */ | |
248 | { 134, "Ezonics EZCam II" }, | |
249 | { 192, "Webeye 2000B" }, | |
250 | { 253, "Alpha Vision Tech. AlphaCam SE" }, | |
251 | { -1, NULL } | |
252 | }; | |
253 | ||
254 | /* Video4Linux1 Palettes */ | |
255 | static struct symbolic_list v4l1_plist[] = { | |
256 | { VIDEO_PALETTE_GREY, "GREY" }, | |
257 | { VIDEO_PALETTE_HI240, "HI240" }, | |
258 | { VIDEO_PALETTE_RGB565, "RGB565" }, | |
259 | { VIDEO_PALETTE_RGB24, "RGB24" }, | |
260 | { VIDEO_PALETTE_RGB32, "RGB32" }, | |
261 | { VIDEO_PALETTE_RGB555, "RGB555" }, | |
262 | { VIDEO_PALETTE_YUV422, "YUV422" }, | |
263 | { VIDEO_PALETTE_YUYV, "YUYV" }, | |
264 | { VIDEO_PALETTE_UYVY, "UYVY" }, | |
265 | { VIDEO_PALETTE_YUV420, "YUV420" }, | |
266 | { VIDEO_PALETTE_YUV411, "YUV411" }, | |
267 | { VIDEO_PALETTE_RAW, "RAW" }, | |
268 | { VIDEO_PALETTE_YUV422P,"YUV422P" }, | |
269 | { VIDEO_PALETTE_YUV411P,"YUV411P" }, | |
270 | { VIDEO_PALETTE_YUV420P,"YUV420P" }, | |
271 | { VIDEO_PALETTE_YUV410P,"YUV410P" }, | |
272 | { -1, NULL } | |
273 | }; | |
274 | ||
275 | static struct symbolic_list brglist[] = { | |
276 | { BRG_OV511, "OV511" }, | |
277 | { BRG_OV511PLUS, "OV511+" }, | |
278 | { BRG_OV518, "OV518" }, | |
279 | { BRG_OV518PLUS, "OV518+" }, | |
280 | { -1, NULL } | |
281 | }; | |
282 | ||
283 | static struct symbolic_list senlist[] = { | |
284 | { SEN_OV76BE, "OV76BE" }, | |
285 | { SEN_OV7610, "OV7610" }, | |
286 | { SEN_OV7620, "OV7620" }, | |
287 | { SEN_OV7620AE, "OV7620AE" }, | |
288 | { SEN_OV6620, "OV6620" }, | |
289 | { SEN_OV6630, "OV6630" }, | |
290 | { SEN_OV6630AE, "OV6630AE" }, | |
291 | { SEN_OV6630AF, "OV6630AF" }, | |
292 | { SEN_OV8600, "OV8600" }, | |
293 | { SEN_KS0127, "KS0127" }, | |
294 | { SEN_KS0127B, "KS0127B" }, | |
295 | { SEN_SAA7111A, "SAA7111A" }, | |
296 | { -1, NULL } | |
297 | }; | |
298 | ||
299 | /* URB error codes: */ | |
300 | static struct symbolic_list urb_errlist[] = { | |
301 | { -ENOSR, "Buffer error (overrun)" }, | |
302 | { -EPIPE, "Stalled (device not responding)" }, | |
38e2bfc9 | 303 | { -EOVERFLOW, "Babble (device sends too much data)" }, |
1da177e4 | 304 | { -EPROTO, "Bit-stuff error (bad cable?)" }, |
38e2bfc9 PZ |
305 | { -EILSEQ, "CRC/Timeout (bad cable?)" }, |
306 | { -ETIME, "Device does not respond to token" }, | |
307 | { -ETIMEDOUT, "Device does not respond to command" }, | |
1da177e4 LT |
308 | { -1, NULL } |
309 | }; | |
310 | ||
311 | /********************************************************************** | |
312 | * Memory management | |
313 | **********************************************************************/ | |
314 | static void * | |
315 | rvmalloc(unsigned long size) | |
316 | { | |
317 | void *mem; | |
318 | unsigned long adr; | |
319 | ||
320 | size = PAGE_ALIGN(size); | |
321 | mem = vmalloc_32(size); | |
322 | if (!mem) | |
323 | return NULL; | |
324 | ||
325 | memset(mem, 0, size); /* Clear the ram out, no junk to the user */ | |
326 | adr = (unsigned long) mem; | |
327 | while (size > 0) { | |
328 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
329 | adr += PAGE_SIZE; | |
330 | size -= PAGE_SIZE; | |
331 | } | |
332 | ||
333 | return mem; | |
334 | } | |
335 | ||
336 | static void | |
337 | rvfree(void *mem, unsigned long size) | |
338 | { | |
339 | unsigned long adr; | |
340 | ||
341 | if (!mem) | |
342 | return; | |
343 | ||
344 | adr = (unsigned long) mem; | |
345 | while ((long) size > 0) { | |
346 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
347 | adr += PAGE_SIZE; | |
348 | size -= PAGE_SIZE; | |
349 | } | |
350 | vfree(mem); | |
351 | } | |
352 | ||
353 | /********************************************************************** | |
354 | * | |
355 | * Register I/O | |
356 | * | |
357 | **********************************************************************/ | |
358 | ||
359 | /* Write an OV51x register */ | |
360 | static int | |
361 | reg_w(struct usb_ov511 *ov, unsigned char reg, unsigned char value) | |
362 | { | |
363 | int rc; | |
364 | ||
365 | PDEBUG(5, "0x%02X:0x%02X", reg, value); | |
366 | ||
4186ecf8 | 367 | mutex_lock(&ov->cbuf_lock); |
1da177e4 LT |
368 | ov->cbuf[0] = value; |
369 | rc = usb_control_msg(ov->dev, | |
370 | usb_sndctrlpipe(ov->dev, 0), | |
371 | (ov->bclass == BCL_OV518)?1:2 /* REG_IO */, | |
372 | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
373 | 0, (__u16)reg, &ov->cbuf[0], 1, 1000); | |
4186ecf8 | 374 | mutex_unlock(&ov->cbuf_lock); |
1da177e4 LT |
375 | |
376 | if (rc < 0) | |
377 | err("reg write: error %d: %s", rc, symbolic(urb_errlist, rc)); | |
378 | ||
379 | return rc; | |
380 | } | |
381 | ||
382 | /* Read from an OV51x register */ | |
383 | /* returns: negative is error, pos or zero is data */ | |
384 | static int | |
385 | reg_r(struct usb_ov511 *ov, unsigned char reg) | |
386 | { | |
387 | int rc; | |
388 | ||
4186ecf8 | 389 | mutex_lock(&ov->cbuf_lock); |
1da177e4 LT |
390 | rc = usb_control_msg(ov->dev, |
391 | usb_rcvctrlpipe(ov->dev, 0), | |
392 | (ov->bclass == BCL_OV518)?1:3 /* REG_IO */, | |
393 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
394 | 0, (__u16)reg, &ov->cbuf[0], 1, 1000); | |
395 | ||
396 | if (rc < 0) { | |
397 | err("reg read: error %d: %s", rc, symbolic(urb_errlist, rc)); | |
398 | } else { | |
399 | rc = ov->cbuf[0]; | |
400 | PDEBUG(5, "0x%02X:0x%02X", reg, ov->cbuf[0]); | |
401 | } | |
402 | ||
4186ecf8 | 403 | mutex_unlock(&ov->cbuf_lock); |
1da177e4 LT |
404 | |
405 | return rc; | |
406 | } | |
407 | ||
408 | /* | |
409 | * Writes bits at positions specified by mask to an OV51x reg. Bits that are in | |
410 | * the same position as 1's in "mask" are cleared and set to "value". Bits | |
411 | * that are in the same position as 0's in "mask" are preserved, regardless | |
412 | * of their respective state in "value". | |
413 | */ | |
414 | static int | |
415 | reg_w_mask(struct usb_ov511 *ov, | |
416 | unsigned char reg, | |
417 | unsigned char value, | |
418 | unsigned char mask) | |
419 | { | |
420 | int ret; | |
421 | unsigned char oldval, newval; | |
422 | ||
423 | ret = reg_r(ov, reg); | |
424 | if (ret < 0) | |
425 | return ret; | |
426 | ||
427 | oldval = (unsigned char) ret; | |
428 | oldval &= (~mask); /* Clear the masked bits */ | |
429 | value &= mask; /* Enforce mask on value */ | |
430 | newval = oldval | value; /* Set the desired bits */ | |
431 | ||
432 | return (reg_w(ov, reg, newval)); | |
433 | } | |
434 | ||
d56410e0 | 435 | /* |
1da177e4 LT |
436 | * Writes multiple (n) byte value to a single register. Only valid with certain |
437 | * registers (0x30 and 0xc4 - 0xce). | |
438 | */ | |
439 | static int | |
440 | ov518_reg_w32(struct usb_ov511 *ov, unsigned char reg, u32 val, int n) | |
441 | { | |
442 | int rc; | |
443 | ||
444 | PDEBUG(5, "0x%02X:%7d, n=%d", reg, val, n); | |
445 | ||
4186ecf8 | 446 | mutex_lock(&ov->cbuf_lock); |
1da177e4 LT |
447 | |
448 | *((__le32 *)ov->cbuf) = __cpu_to_le32(val); | |
449 | ||
450 | rc = usb_control_msg(ov->dev, | |
451 | usb_sndctrlpipe(ov->dev, 0), | |
452 | 1 /* REG_IO */, | |
453 | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
454 | 0, (__u16)reg, ov->cbuf, n, 1000); | |
4186ecf8 | 455 | mutex_unlock(&ov->cbuf_lock); |
1da177e4 LT |
456 | |
457 | if (rc < 0) | |
458 | err("reg write multiple: error %d: %s", rc, | |
459 | symbolic(urb_errlist, rc)); | |
460 | ||
461 | return rc; | |
462 | } | |
463 | ||
464 | static int | |
465 | ov511_upload_quan_tables(struct usb_ov511 *ov) | |
466 | { | |
467 | unsigned char *pYTable = yQuanTable511; | |
468 | unsigned char *pUVTable = uvQuanTable511; | |
469 | unsigned char val0, val1; | |
470 | int i, rc, reg = R511_COMP_LUT_BEGIN; | |
471 | ||
472 | PDEBUG(4, "Uploading quantization tables"); | |
473 | ||
474 | for (i = 0; i < OV511_QUANTABLESIZE / 2; i++) { | |
475 | if (ENABLE_Y_QUANTABLE) { | |
476 | val0 = *pYTable++; | |
477 | val1 = *pYTable++; | |
478 | val0 &= 0x0f; | |
479 | val1 &= 0x0f; | |
480 | val0 |= val1 << 4; | |
481 | rc = reg_w(ov, reg, val0); | |
482 | if (rc < 0) | |
483 | return rc; | |
484 | } | |
485 | ||
486 | if (ENABLE_UV_QUANTABLE) { | |
487 | val0 = *pUVTable++; | |
488 | val1 = *pUVTable++; | |
489 | val0 &= 0x0f; | |
490 | val1 &= 0x0f; | |
491 | val0 |= val1 << 4; | |
492 | rc = reg_w(ov, reg + OV511_QUANTABLESIZE/2, val0); | |
493 | if (rc < 0) | |
494 | return rc; | |
495 | } | |
496 | ||
497 | reg++; | |
498 | } | |
499 | ||
500 | return 0; | |
501 | } | |
502 | ||
503 | /* OV518 quantization tables are 8x4 (instead of 8x8) */ | |
504 | static int | |
505 | ov518_upload_quan_tables(struct usb_ov511 *ov) | |
506 | { | |
507 | unsigned char *pYTable = yQuanTable518; | |
508 | unsigned char *pUVTable = uvQuanTable518; | |
509 | unsigned char val0, val1; | |
510 | int i, rc, reg = R511_COMP_LUT_BEGIN; | |
511 | ||
512 | PDEBUG(4, "Uploading quantization tables"); | |
513 | ||
514 | for (i = 0; i < OV518_QUANTABLESIZE / 2; i++) { | |
515 | if (ENABLE_Y_QUANTABLE) { | |
516 | val0 = *pYTable++; | |
517 | val1 = *pYTable++; | |
518 | val0 &= 0x0f; | |
519 | val1 &= 0x0f; | |
520 | val0 |= val1 << 4; | |
521 | rc = reg_w(ov, reg, val0); | |
522 | if (rc < 0) | |
523 | return rc; | |
524 | } | |
525 | ||
526 | if (ENABLE_UV_QUANTABLE) { | |
527 | val0 = *pUVTable++; | |
528 | val1 = *pUVTable++; | |
529 | val0 &= 0x0f; | |
530 | val1 &= 0x0f; | |
531 | val0 |= val1 << 4; | |
532 | rc = reg_w(ov, reg + OV518_QUANTABLESIZE/2, val0); | |
533 | if (rc < 0) | |
534 | return rc; | |
535 | } | |
536 | ||
537 | reg++; | |
538 | } | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | static int | |
544 | ov51x_reset(struct usb_ov511 *ov, unsigned char reset_type) | |
545 | { | |
546 | int rc; | |
547 | ||
548 | /* Setting bit 0 not allowed on 518/518Plus */ | |
549 | if (ov->bclass == BCL_OV518) | |
550 | reset_type &= 0xfe; | |
551 | ||
552 | PDEBUG(4, "Reset: type=0x%02X", reset_type); | |
553 | ||
554 | rc = reg_w(ov, R51x_SYS_RESET, reset_type); | |
555 | rc = reg_w(ov, R51x_SYS_RESET, 0); | |
556 | ||
557 | if (rc < 0) | |
558 | err("reset: command failed"); | |
559 | ||
560 | return rc; | |
561 | } | |
562 | ||
563 | /********************************************************************** | |
564 | * | |
565 | * Low-level I2C I/O functions | |
566 | * | |
567 | **********************************************************************/ | |
568 | ||
569 | /* NOTE: Do not call this function directly! | |
570 | * The OV518 I2C I/O procedure is different, hence, this function. | |
571 | * This is normally only called from i2c_w(). Note that this function | |
572 | * always succeeds regardless of whether the sensor is present and working. | |
573 | */ | |
574 | static int | |
575 | ov518_i2c_write_internal(struct usb_ov511 *ov, | |
576 | unsigned char reg, | |
577 | unsigned char value) | |
578 | { | |
579 | int rc; | |
580 | ||
581 | PDEBUG(5, "0x%02X:0x%02X", reg, value); | |
582 | ||
583 | /* Select camera register */ | |
584 | rc = reg_w(ov, R51x_I2C_SADDR_3, reg); | |
585 | if (rc < 0) | |
586 | return rc; | |
587 | ||
588 | /* Write "value" to I2C data port of OV511 */ | |
589 | rc = reg_w(ov, R51x_I2C_DATA, value); | |
590 | if (rc < 0) | |
591 | return rc; | |
592 | ||
593 | /* Initiate 3-byte write cycle */ | |
594 | rc = reg_w(ov, R518_I2C_CTL, 0x01); | |
595 | if (rc < 0) | |
596 | return rc; | |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
601 | /* NOTE: Do not call this function directly! */ | |
602 | static int | |
603 | ov511_i2c_write_internal(struct usb_ov511 *ov, | |
604 | unsigned char reg, | |
605 | unsigned char value) | |
606 | { | |
607 | int rc, retries; | |
608 | ||
609 | PDEBUG(5, "0x%02X:0x%02X", reg, value); | |
610 | ||
611 | /* Three byte write cycle */ | |
612 | for (retries = OV511_I2C_RETRIES; ; ) { | |
613 | /* Select camera register */ | |
614 | rc = reg_w(ov, R51x_I2C_SADDR_3, reg); | |
615 | if (rc < 0) | |
616 | break; | |
617 | ||
618 | /* Write "value" to I2C data port of OV511 */ | |
619 | rc = reg_w(ov, R51x_I2C_DATA, value); | |
620 | if (rc < 0) | |
621 | break; | |
622 | ||
623 | /* Initiate 3-byte write cycle */ | |
624 | rc = reg_w(ov, R511_I2C_CTL, 0x01); | |
625 | if (rc < 0) | |
626 | break; | |
627 | ||
628 | /* Retry until idle */ | |
c6eb8eaf | 629 | do { |
1da177e4 | 630 | rc = reg_r(ov, R511_I2C_CTL); |
c6eb8eaf | 631 | } while (rc > 0 && ((rc&1) == 0)); |
1da177e4 LT |
632 | if (rc < 0) |
633 | break; | |
634 | ||
635 | /* Ack? */ | |
636 | if ((rc&2) == 0) { | |
637 | rc = 0; | |
638 | break; | |
639 | } | |
640 | #if 0 | |
641 | /* I2C abort */ | |
642 | reg_w(ov, R511_I2C_CTL, 0x10); | |
643 | #endif | |
644 | if (--retries < 0) { | |
645 | err("i2c write retries exhausted"); | |
646 | rc = -1; | |
647 | break; | |
648 | } | |
649 | } | |
650 | ||
651 | return rc; | |
652 | } | |
653 | ||
654 | /* NOTE: Do not call this function directly! | |
655 | * The OV518 I2C I/O procedure is different, hence, this function. | |
656 | * This is normally only called from i2c_r(). Note that this function | |
657 | * always succeeds regardless of whether the sensor is present and working. | |
658 | */ | |
659 | static int | |
660 | ov518_i2c_read_internal(struct usb_ov511 *ov, unsigned char reg) | |
661 | { | |
662 | int rc, value; | |
663 | ||
664 | /* Select camera register */ | |
665 | rc = reg_w(ov, R51x_I2C_SADDR_2, reg); | |
666 | if (rc < 0) | |
667 | return rc; | |
668 | ||
669 | /* Initiate 2-byte write cycle */ | |
670 | rc = reg_w(ov, R518_I2C_CTL, 0x03); | |
671 | if (rc < 0) | |
672 | return rc; | |
673 | ||
674 | /* Initiate 2-byte read cycle */ | |
675 | rc = reg_w(ov, R518_I2C_CTL, 0x05); | |
676 | if (rc < 0) | |
677 | return rc; | |
678 | ||
679 | value = reg_r(ov, R51x_I2C_DATA); | |
680 | ||
681 | PDEBUG(5, "0x%02X:0x%02X", reg, value); | |
682 | ||
683 | return value; | |
684 | } | |
685 | ||
686 | /* NOTE: Do not call this function directly! | |
687 | * returns: negative is error, pos or zero is data */ | |
688 | static int | |
689 | ov511_i2c_read_internal(struct usb_ov511 *ov, unsigned char reg) | |
690 | { | |
691 | int rc, value, retries; | |
692 | ||
693 | /* Two byte write cycle */ | |
694 | for (retries = OV511_I2C_RETRIES; ; ) { | |
695 | /* Select camera register */ | |
696 | rc = reg_w(ov, R51x_I2C_SADDR_2, reg); | |
697 | if (rc < 0) | |
698 | return rc; | |
699 | ||
700 | /* Initiate 2-byte write cycle */ | |
701 | rc = reg_w(ov, R511_I2C_CTL, 0x03); | |
702 | if (rc < 0) | |
703 | return rc; | |
704 | ||
705 | /* Retry until idle */ | |
c6eb8eaf HV |
706 | do { |
707 | rc = reg_r(ov, R511_I2C_CTL); | |
708 | } while (rc > 0 && ((rc & 1) == 0)); | |
1da177e4 LT |
709 | if (rc < 0) |
710 | return rc; | |
711 | ||
712 | if ((rc&2) == 0) /* Ack? */ | |
713 | break; | |
714 | ||
715 | /* I2C abort */ | |
716 | reg_w(ov, R511_I2C_CTL, 0x10); | |
717 | ||
718 | if (--retries < 0) { | |
719 | err("i2c write retries exhausted"); | |
720 | return -1; | |
721 | } | |
722 | } | |
723 | ||
724 | /* Two byte read cycle */ | |
725 | for (retries = OV511_I2C_RETRIES; ; ) { | |
726 | /* Initiate 2-byte read cycle */ | |
727 | rc = reg_w(ov, R511_I2C_CTL, 0x05); | |
728 | if (rc < 0) | |
729 | return rc; | |
730 | ||
731 | /* Retry until idle */ | |
c6eb8eaf | 732 | do { |
1da177e4 | 733 | rc = reg_r(ov, R511_I2C_CTL); |
c6eb8eaf | 734 | } while (rc > 0 && ((rc&1) == 0)); |
1da177e4 LT |
735 | if (rc < 0) |
736 | return rc; | |
737 | ||
738 | if ((rc&2) == 0) /* Ack? */ | |
739 | break; | |
740 | ||
741 | /* I2C abort */ | |
742 | rc = reg_w(ov, R511_I2C_CTL, 0x10); | |
743 | if (rc < 0) | |
744 | return rc; | |
745 | ||
746 | if (--retries < 0) { | |
747 | err("i2c read retries exhausted"); | |
748 | return -1; | |
749 | } | |
750 | } | |
751 | ||
752 | value = reg_r(ov, R51x_I2C_DATA); | |
753 | ||
754 | PDEBUG(5, "0x%02X:0x%02X", reg, value); | |
755 | ||
756 | /* This is needed to make i2c_w() work */ | |
757 | rc = reg_w(ov, R511_I2C_CTL, 0x05); | |
758 | if (rc < 0) | |
759 | return rc; | |
760 | ||
761 | return value; | |
762 | } | |
763 | ||
764 | /* returns: negative is error, pos or zero is data */ | |
765 | static int | |
766 | i2c_r(struct usb_ov511 *ov, unsigned char reg) | |
767 | { | |
768 | int rc; | |
769 | ||
4186ecf8 | 770 | mutex_lock(&ov->i2c_lock); |
1da177e4 LT |
771 | |
772 | if (ov->bclass == BCL_OV518) | |
773 | rc = ov518_i2c_read_internal(ov, reg); | |
774 | else | |
775 | rc = ov511_i2c_read_internal(ov, reg); | |
776 | ||
4186ecf8 | 777 | mutex_unlock(&ov->i2c_lock); |
1da177e4 LT |
778 | |
779 | return rc; | |
780 | } | |
781 | ||
782 | static int | |
783 | i2c_w(struct usb_ov511 *ov, unsigned char reg, unsigned char value) | |
784 | { | |
785 | int rc; | |
786 | ||
4186ecf8 | 787 | mutex_lock(&ov->i2c_lock); |
1da177e4 LT |
788 | |
789 | if (ov->bclass == BCL_OV518) | |
790 | rc = ov518_i2c_write_internal(ov, reg, value); | |
791 | else | |
792 | rc = ov511_i2c_write_internal(ov, reg, value); | |
793 | ||
4186ecf8 | 794 | mutex_unlock(&ov->i2c_lock); |
1da177e4 LT |
795 | |
796 | return rc; | |
797 | } | |
798 | ||
799 | /* Do not call this function directly! */ | |
800 | static int | |
801 | ov51x_i2c_write_mask_internal(struct usb_ov511 *ov, | |
802 | unsigned char reg, | |
803 | unsigned char value, | |
804 | unsigned char mask) | |
805 | { | |
806 | int rc; | |
807 | unsigned char oldval, newval; | |
808 | ||
809 | if (mask == 0xff) { | |
810 | newval = value; | |
811 | } else { | |
812 | if (ov->bclass == BCL_OV518) | |
813 | rc = ov518_i2c_read_internal(ov, reg); | |
814 | else | |
815 | rc = ov511_i2c_read_internal(ov, reg); | |
816 | if (rc < 0) | |
817 | return rc; | |
818 | ||
819 | oldval = (unsigned char) rc; | |
820 | oldval &= (~mask); /* Clear the masked bits */ | |
821 | value &= mask; /* Enforce mask on value */ | |
822 | newval = oldval | value; /* Set the desired bits */ | |
823 | } | |
824 | ||
825 | if (ov->bclass == BCL_OV518) | |
826 | return (ov518_i2c_write_internal(ov, reg, newval)); | |
827 | else | |
828 | return (ov511_i2c_write_internal(ov, reg, newval)); | |
829 | } | |
830 | ||
831 | /* Writes bits at positions specified by mask to an I2C reg. Bits that are in | |
832 | * the same position as 1's in "mask" are cleared and set to "value". Bits | |
833 | * that are in the same position as 0's in "mask" are preserved, regardless | |
834 | * of their respective state in "value". | |
835 | */ | |
836 | static int | |
837 | i2c_w_mask(struct usb_ov511 *ov, | |
838 | unsigned char reg, | |
839 | unsigned char value, | |
840 | unsigned char mask) | |
841 | { | |
842 | int rc; | |
843 | ||
4186ecf8 | 844 | mutex_lock(&ov->i2c_lock); |
1da177e4 | 845 | rc = ov51x_i2c_write_mask_internal(ov, reg, value, mask); |
4186ecf8 | 846 | mutex_unlock(&ov->i2c_lock); |
1da177e4 LT |
847 | |
848 | return rc; | |
849 | } | |
850 | ||
851 | /* Set the read and write slave IDs. The "slave" argument is the write slave, | |
852 | * and the read slave will be set to (slave + 1). ov->i2c_lock should be held | |
853 | * when calling this. This should not be called from outside the i2c I/O | |
854 | * functions. | |
855 | */ | |
856 | static int | |
857 | i2c_set_slave_internal(struct usb_ov511 *ov, unsigned char slave) | |
858 | { | |
859 | int rc; | |
860 | ||
861 | rc = reg_w(ov, R51x_I2C_W_SID, slave); | |
862 | if (rc < 0) | |
863 | return rc; | |
864 | ||
865 | rc = reg_w(ov, R51x_I2C_R_SID, slave + 1); | |
866 | if (rc < 0) | |
867 | return rc; | |
868 | ||
869 | return 0; | |
870 | } | |
871 | ||
872 | /* Write to a specific I2C slave ID and register, using the specified mask */ | |
873 | static int | |
874 | i2c_w_slave(struct usb_ov511 *ov, | |
875 | unsigned char slave, | |
876 | unsigned char reg, | |
877 | unsigned char value, | |
878 | unsigned char mask) | |
879 | { | |
880 | int rc = 0; | |
881 | ||
4186ecf8 | 882 | mutex_lock(&ov->i2c_lock); |
1da177e4 LT |
883 | |
884 | /* Set new slave IDs */ | |
885 | rc = i2c_set_slave_internal(ov, slave); | |
886 | if (rc < 0) | |
887 | goto out; | |
888 | ||
889 | rc = ov51x_i2c_write_mask_internal(ov, reg, value, mask); | |
890 | ||
891 | out: | |
892 | /* Restore primary IDs */ | |
893 | if (i2c_set_slave_internal(ov, ov->primary_i2c_slave) < 0) | |
894 | err("Couldn't restore primary I2C slave"); | |
895 | ||
4186ecf8 | 896 | mutex_unlock(&ov->i2c_lock); |
1da177e4 LT |
897 | return rc; |
898 | } | |
899 | ||
900 | /* Read from a specific I2C slave ID and register */ | |
901 | static int | |
902 | i2c_r_slave(struct usb_ov511 *ov, | |
903 | unsigned char slave, | |
904 | unsigned char reg) | |
905 | { | |
906 | int rc; | |
907 | ||
4186ecf8 | 908 | mutex_lock(&ov->i2c_lock); |
1da177e4 LT |
909 | |
910 | /* Set new slave IDs */ | |
911 | rc = i2c_set_slave_internal(ov, slave); | |
912 | if (rc < 0) | |
913 | goto out; | |
914 | ||
915 | if (ov->bclass == BCL_OV518) | |
916 | rc = ov518_i2c_read_internal(ov, reg); | |
917 | else | |
918 | rc = ov511_i2c_read_internal(ov, reg); | |
919 | ||
920 | out: | |
921 | /* Restore primary IDs */ | |
922 | if (i2c_set_slave_internal(ov, ov->primary_i2c_slave) < 0) | |
923 | err("Couldn't restore primary I2C slave"); | |
924 | ||
4186ecf8 | 925 | mutex_unlock(&ov->i2c_lock); |
1da177e4 LT |
926 | return rc; |
927 | } | |
928 | ||
929 | /* Sets I2C read and write slave IDs. Returns <0 for error */ | |
930 | static int | |
931 | ov51x_set_slave_ids(struct usb_ov511 *ov, unsigned char sid) | |
932 | { | |
933 | int rc; | |
934 | ||
4186ecf8 | 935 | mutex_lock(&ov->i2c_lock); |
1da177e4 LT |
936 | |
937 | rc = i2c_set_slave_internal(ov, sid); | |
938 | if (rc < 0) | |
939 | goto out; | |
940 | ||
941 | // FIXME: Is this actually necessary? | |
942 | rc = ov51x_reset(ov, OV511_RESET_NOREGS); | |
943 | out: | |
4186ecf8 | 944 | mutex_unlock(&ov->i2c_lock); |
1da177e4 LT |
945 | return rc; |
946 | } | |
947 | ||
948 | static int | |
949 | write_regvals(struct usb_ov511 *ov, struct ov511_regvals * pRegvals) | |
950 | { | |
951 | int rc; | |
952 | ||
953 | while (pRegvals->bus != OV511_DONE_BUS) { | |
954 | if (pRegvals->bus == OV511_REG_BUS) { | |
955 | if ((rc = reg_w(ov, pRegvals->reg, pRegvals->val)) < 0) | |
956 | return rc; | |
957 | } else if (pRegvals->bus == OV511_I2C_BUS) { | |
958 | if ((rc = i2c_w(ov, pRegvals->reg, pRegvals->val)) < 0) | |
959 | return rc; | |
960 | } else { | |
961 | err("Bad regval array"); | |
962 | return -1; | |
963 | } | |
964 | pRegvals++; | |
965 | } | |
966 | return 0; | |
967 | } | |
968 | ||
969 | #ifdef OV511_DEBUG | |
970 | static void | |
971 | dump_i2c_range(struct usb_ov511 *ov, int reg1, int regn) | |
972 | { | |
973 | int i, rc; | |
974 | ||
975 | for (i = reg1; i <= regn; i++) { | |
976 | rc = i2c_r(ov, i); | |
a482f327 | 977 | dev_info(&ov->dev->dev, "Sensor[0x%02X] = 0x%02X\n", i, rc); |
1da177e4 LT |
978 | } |
979 | } | |
980 | ||
981 | static void | |
982 | dump_i2c_regs(struct usb_ov511 *ov) | |
983 | { | |
a482f327 | 984 | dev_info(&ov->dev->dev, "I2C REGS\n"); |
1da177e4 LT |
985 | dump_i2c_range(ov, 0x00, 0x7C); |
986 | } | |
987 | ||
988 | static void | |
989 | dump_reg_range(struct usb_ov511 *ov, int reg1, int regn) | |
990 | { | |
991 | int i, rc; | |
992 | ||
993 | for (i = reg1; i <= regn; i++) { | |
994 | rc = reg_r(ov, i); | |
a482f327 | 995 | dev_info(&ov->dev->dev, "OV511[0x%02X] = 0x%02X\n", i, rc); |
1da177e4 LT |
996 | } |
997 | } | |
998 | ||
999 | static void | |
1000 | ov511_dump_regs(struct usb_ov511 *ov) | |
1001 | { | |
a482f327 | 1002 | dev_info(&ov->dev->dev, "CAMERA INTERFACE REGS\n"); |
1da177e4 | 1003 | dump_reg_range(ov, 0x10, 0x1f); |
a482f327 | 1004 | dev_info(&ov->dev->dev, "DRAM INTERFACE REGS\n"); |
1da177e4 | 1005 | dump_reg_range(ov, 0x20, 0x23); |
a482f327 | 1006 | dev_info(&ov->dev->dev, "ISO FIFO REGS\n"); |
1da177e4 | 1007 | dump_reg_range(ov, 0x30, 0x31); |
a482f327 | 1008 | dev_info(&ov->dev->dev, "PIO REGS\n"); |
1da177e4 LT |
1009 | dump_reg_range(ov, 0x38, 0x39); |
1010 | dump_reg_range(ov, 0x3e, 0x3e); | |
a482f327 | 1011 | dev_info(&ov->dev->dev, "I2C REGS\n"); |
1da177e4 | 1012 | dump_reg_range(ov, 0x40, 0x49); |
a482f327 | 1013 | dev_info(&ov->dev->dev, "SYSTEM CONTROL REGS\n"); |
1da177e4 LT |
1014 | dump_reg_range(ov, 0x50, 0x55); |
1015 | dump_reg_range(ov, 0x5e, 0x5f); | |
a482f327 | 1016 | dev_info(&ov->dev->dev, "OmniCE REGS\n"); |
1da177e4 LT |
1017 | dump_reg_range(ov, 0x70, 0x79); |
1018 | /* NOTE: Quantization tables are not readable. You will get the value | |
1019 | * in reg. 0x79 for every table register */ | |
1020 | dump_reg_range(ov, 0x80, 0x9f); | |
1021 | dump_reg_range(ov, 0xa0, 0xbf); | |
1022 | ||
1023 | } | |
1024 | ||
1025 | static void | |
1026 | ov518_dump_regs(struct usb_ov511 *ov) | |
1027 | { | |
a482f327 | 1028 | dev_info(&ov->dev->dev, "VIDEO MODE REGS\n"); |
1da177e4 | 1029 | dump_reg_range(ov, 0x20, 0x2f); |
a482f327 | 1030 | dev_info(&ov->dev->dev, "DATA PUMP AND SNAPSHOT REGS\n"); |
1da177e4 | 1031 | dump_reg_range(ov, 0x30, 0x3f); |
a482f327 | 1032 | dev_info(&ov->dev->dev, "I2C REGS\n"); |
1da177e4 | 1033 | dump_reg_range(ov, 0x40, 0x4f); |
a482f327 | 1034 | dev_info(&ov->dev->dev, "SYSTEM CONTROL AND VENDOR REGS\n"); |
1da177e4 | 1035 | dump_reg_range(ov, 0x50, 0x5f); |
a482f327 | 1036 | dev_info(&ov->dev->dev, "60 - 6F\n"); |
1da177e4 | 1037 | dump_reg_range(ov, 0x60, 0x6f); |
a482f327 | 1038 | dev_info(&ov->dev->dev, "70 - 7F\n"); |
1da177e4 | 1039 | dump_reg_range(ov, 0x70, 0x7f); |
a482f327 | 1040 | dev_info(&ov->dev->dev, "Y QUANTIZATION TABLE\n"); |
1da177e4 | 1041 | dump_reg_range(ov, 0x80, 0x8f); |
a482f327 | 1042 | dev_info(&ov->dev->dev, "UV QUANTIZATION TABLE\n"); |
1da177e4 | 1043 | dump_reg_range(ov, 0x90, 0x9f); |
a482f327 | 1044 | dev_info(&ov->dev->dev, "A0 - BF\n"); |
1da177e4 | 1045 | dump_reg_range(ov, 0xa0, 0xbf); |
a482f327 | 1046 | dev_info(&ov->dev->dev, "CBR\n"); |
1da177e4 LT |
1047 | dump_reg_range(ov, 0xc0, 0xcf); |
1048 | } | |
1049 | #endif | |
1050 | ||
1051 | /*****************************************************************************/ | |
1052 | ||
1053 | /* Temporarily stops OV511 from functioning. Must do this before changing | |
1054 | * registers while the camera is streaming */ | |
1055 | static inline int | |
1056 | ov51x_stop(struct usb_ov511 *ov) | |
1057 | { | |
1058 | PDEBUG(4, "stopping"); | |
1059 | ov->stopped = 1; | |
1060 | if (ov->bclass == BCL_OV518) | |
1061 | return (reg_w_mask(ov, R51x_SYS_RESET, 0x3a, 0x3a)); | |
1062 | else | |
1063 | return (reg_w(ov, R51x_SYS_RESET, 0x3d)); | |
1064 | } | |
1065 | ||
1066 | /* Restarts OV511 after ov511_stop() is called. Has no effect if it is not | |
1067 | * actually stopped (for performance). */ | |
1068 | static inline int | |
1069 | ov51x_restart(struct usb_ov511 *ov) | |
1070 | { | |
1071 | if (ov->stopped) { | |
1072 | PDEBUG(4, "restarting"); | |
1073 | ov->stopped = 0; | |
1074 | ||
1075 | /* Reinitialize the stream */ | |
1076 | if (ov->bclass == BCL_OV518) | |
1077 | reg_w(ov, 0x2f, 0x80); | |
1078 | ||
1079 | return (reg_w(ov, R51x_SYS_RESET, 0x00)); | |
1080 | } | |
1081 | ||
1082 | return 0; | |
1083 | } | |
1084 | ||
1085 | /* Sleeps until no frames are active. Returns !0 if got signal */ | |
1086 | static int | |
1087 | ov51x_wait_frames_inactive(struct usb_ov511 *ov) | |
1088 | { | |
1089 | return wait_event_interruptible(ov->wq, ov->curframe < 0); | |
1090 | } | |
1091 | ||
1092 | /* Resets the hardware snapshot button */ | |
1093 | static void | |
1094 | ov51x_clear_snapshot(struct usb_ov511 *ov) | |
1095 | { | |
1096 | if (ov->bclass == BCL_OV511) { | |
1097 | reg_w(ov, R51x_SYS_SNAP, 0x00); | |
1098 | reg_w(ov, R51x_SYS_SNAP, 0x02); | |
1099 | reg_w(ov, R51x_SYS_SNAP, 0x00); | |
1100 | } else if (ov->bclass == BCL_OV518) { | |
aa82661b GKH |
1101 | dev_warn(&ov->dev->dev, |
1102 | "snapshot reset not supported yet on OV518(+)\n"); | |
1da177e4 | 1103 | } else { |
aa82661b | 1104 | dev_err(&ov->dev->dev, "clear snap: invalid bridge type\n"); |
1da177e4 LT |
1105 | } |
1106 | } | |
1107 | ||
1108 | #if 0 | |
1109 | /* Checks the status of the snapshot button. Returns 1 if it was pressed since | |
1110 | * it was last cleared, and zero in all other cases (including errors) */ | |
1111 | static int | |
1112 | ov51x_check_snapshot(struct usb_ov511 *ov) | |
1113 | { | |
1114 | int ret, status = 0; | |
1115 | ||
1116 | if (ov->bclass == BCL_OV511) { | |
1117 | ret = reg_r(ov, R51x_SYS_SNAP); | |
1118 | if (ret < 0) { | |
aa82661b GKH |
1119 | dev_err(&ov->dev->dev, |
1120 | "Error checking snspshot status (%d)\n", ret); | |
1da177e4 LT |
1121 | } else if (ret & 0x08) { |
1122 | status = 1; | |
1123 | } | |
1124 | } else if (ov->bclass == BCL_OV518) { | |
aa82661b GKH |
1125 | dev_warn(&ov->dev->dev, |
1126 | "snapshot check not supported yet on OV518(+)\n"); | |
1da177e4 | 1127 | } else { |
aa82661b | 1128 | dev_err(&ov->dev->dev, "clear snap: invalid bridge type\n"); |
1da177e4 LT |
1129 | } |
1130 | ||
1131 | return status; | |
1132 | } | |
1133 | #endif | |
1134 | ||
1135 | /* This does an initial reset of an OmniVision sensor and ensures that I2C | |
1136 | * is synchronized. Returns <0 for failure. | |
1137 | */ | |
1138 | static int | |
1139 | init_ov_sensor(struct usb_ov511 *ov) | |
1140 | { | |
1141 | int i, success; | |
1142 | ||
1143 | /* Reset the sensor */ | |
1144 | if (i2c_w(ov, 0x12, 0x80) < 0) | |
1145 | return -EIO; | |
1146 | ||
1147 | /* Wait for it to initialize */ | |
1148 | msleep(150); | |
1149 | ||
1150 | for (i = 0, success = 0; i < i2c_detect_tries && !success; i++) { | |
1151 | if ((i2c_r(ov, OV7610_REG_ID_HIGH) == 0x7F) && | |
1152 | (i2c_r(ov, OV7610_REG_ID_LOW) == 0xA2)) { | |
1153 | success = 1; | |
1154 | continue; | |
1155 | } | |
1156 | ||
1157 | /* Reset the sensor */ | |
1158 | if (i2c_w(ov, 0x12, 0x80) < 0) | |
1159 | return -EIO; | |
1160 | /* Wait for it to initialize */ | |
1161 | msleep(150); | |
1162 | /* Dummy read to sync I2C */ | |
1163 | if (i2c_r(ov, 0x00) < 0) | |
1164 | return -EIO; | |
1165 | } | |
1166 | ||
1167 | if (!success) | |
1168 | return -EIO; | |
1169 | ||
1170 | PDEBUG(1, "I2C synced in %d attempt(s)", i); | |
1171 | ||
1172 | return 0; | |
1173 | } | |
1174 | ||
1175 | static int | |
1176 | ov511_set_packet_size(struct usb_ov511 *ov, int size) | |
1177 | { | |
1178 | int alt, mult; | |
1179 | ||
1180 | if (ov51x_stop(ov) < 0) | |
1181 | return -EIO; | |
1182 | ||
1183 | mult = size >> 5; | |
1184 | ||
1185 | if (ov->bridge == BRG_OV511) { | |
1186 | if (size == 0) | |
1187 | alt = OV511_ALT_SIZE_0; | |
1188 | else if (size == 257) | |
1189 | alt = OV511_ALT_SIZE_257; | |
1190 | else if (size == 513) | |
1191 | alt = OV511_ALT_SIZE_513; | |
1192 | else if (size == 769) | |
1193 | alt = OV511_ALT_SIZE_769; | |
1194 | else if (size == 993) | |
1195 | alt = OV511_ALT_SIZE_993; | |
1196 | else { | |
1197 | err("Set packet size: invalid size (%d)", size); | |
1198 | return -EINVAL; | |
1199 | } | |
1200 | } else if (ov->bridge == BRG_OV511PLUS) { | |
1201 | if (size == 0) | |
1202 | alt = OV511PLUS_ALT_SIZE_0; | |
1203 | else if (size == 33) | |
1204 | alt = OV511PLUS_ALT_SIZE_33; | |
1205 | else if (size == 129) | |
1206 | alt = OV511PLUS_ALT_SIZE_129; | |
1207 | else if (size == 257) | |
1208 | alt = OV511PLUS_ALT_SIZE_257; | |
1209 | else if (size == 385) | |
1210 | alt = OV511PLUS_ALT_SIZE_385; | |
1211 | else if (size == 513) | |
1212 | alt = OV511PLUS_ALT_SIZE_513; | |
1213 | else if (size == 769) | |
1214 | alt = OV511PLUS_ALT_SIZE_769; | |
1215 | else if (size == 961) | |
1216 | alt = OV511PLUS_ALT_SIZE_961; | |
1217 | else { | |
1218 | err("Set packet size: invalid size (%d)", size); | |
1219 | return -EINVAL; | |
1220 | } | |
1221 | } else { | |
1222 | err("Set packet size: Invalid bridge type"); | |
1223 | return -EINVAL; | |
1224 | } | |
1225 | ||
1226 | PDEBUG(3, "%d, mult=%d, alt=%d", size, mult, alt); | |
1227 | ||
1228 | if (reg_w(ov, R51x_FIFO_PSIZE, mult) < 0) | |
1229 | return -EIO; | |
1230 | ||
1231 | if (usb_set_interface(ov->dev, ov->iface, alt) < 0) { | |
1232 | err("Set packet size: set interface error"); | |
1233 | return -EBUSY; | |
1234 | } | |
1235 | ||
1236 | if (ov51x_reset(ov, OV511_RESET_NOREGS) < 0) | |
1237 | return -EIO; | |
1238 | ||
1239 | ov->packet_size = size; | |
1240 | ||
1241 | if (ov51x_restart(ov) < 0) | |
1242 | return -EIO; | |
1243 | ||
1244 | return 0; | |
1245 | } | |
1246 | ||
1247 | /* Note: Unlike the OV511/OV511+, the size argument does NOT include the | |
1248 | * optional packet number byte. The actual size *is* stored in ov->packet_size, | |
1249 | * though. */ | |
1250 | static int | |
1251 | ov518_set_packet_size(struct usb_ov511 *ov, int size) | |
1252 | { | |
1253 | int alt; | |
1254 | ||
1255 | if (ov51x_stop(ov) < 0) | |
1256 | return -EIO; | |
1257 | ||
1258 | if (ov->bclass == BCL_OV518) { | |
1259 | if (size == 0) | |
1260 | alt = OV518_ALT_SIZE_0; | |
1261 | else if (size == 128) | |
1262 | alt = OV518_ALT_SIZE_128; | |
1263 | else if (size == 256) | |
1264 | alt = OV518_ALT_SIZE_256; | |
1265 | else if (size == 384) | |
1266 | alt = OV518_ALT_SIZE_384; | |
1267 | else if (size == 512) | |
1268 | alt = OV518_ALT_SIZE_512; | |
1269 | else if (size == 640) | |
1270 | alt = OV518_ALT_SIZE_640; | |
1271 | else if (size == 768) | |
1272 | alt = OV518_ALT_SIZE_768; | |
1273 | else if (size == 896) | |
1274 | alt = OV518_ALT_SIZE_896; | |
1275 | else { | |
1276 | err("Set packet size: invalid size (%d)", size); | |
1277 | return -EINVAL; | |
1278 | } | |
1279 | } else { | |
1280 | err("Set packet size: Invalid bridge type"); | |
1281 | return -EINVAL; | |
1282 | } | |
1283 | ||
1284 | PDEBUG(3, "%d, alt=%d", size, alt); | |
1285 | ||
1286 | ov->packet_size = size; | |
1287 | if (size > 0) { | |
1288 | /* Program ISO FIFO size reg (packet number isn't included) */ | |
1289 | ov518_reg_w32(ov, 0x30, size, 2); | |
1290 | ||
1291 | if (ov->packet_numbering) | |
1292 | ++ov->packet_size; | |
1293 | } | |
1294 | ||
1295 | if (usb_set_interface(ov->dev, ov->iface, alt) < 0) { | |
1296 | err("Set packet size: set interface error"); | |
1297 | return -EBUSY; | |
1298 | } | |
1299 | ||
1300 | /* Initialize the stream */ | |
1301 | if (reg_w(ov, 0x2f, 0x80) < 0) | |
1302 | return -EIO; | |
1303 | ||
1304 | if (ov51x_restart(ov) < 0) | |
1305 | return -EIO; | |
1306 | ||
1307 | if (ov51x_reset(ov, OV511_RESET_NOREGS) < 0) | |
1308 | return -EIO; | |
1309 | ||
1310 | return 0; | |
1311 | } | |
1312 | ||
1313 | /* Upload compression params and quantization tables. Returns 0 for success. */ | |
1314 | static int | |
1315 | ov511_init_compression(struct usb_ov511 *ov) | |
1316 | { | |
1317 | int rc = 0; | |
1318 | ||
1319 | if (!ov->compress_inited) { | |
1320 | reg_w(ov, 0x70, phy); | |
1321 | reg_w(ov, 0x71, phuv); | |
1322 | reg_w(ov, 0x72, pvy); | |
1323 | reg_w(ov, 0x73, pvuv); | |
1324 | reg_w(ov, 0x74, qhy); | |
1325 | reg_w(ov, 0x75, qhuv); | |
1326 | reg_w(ov, 0x76, qvy); | |
1327 | reg_w(ov, 0x77, qvuv); | |
1328 | ||
1329 | if (ov511_upload_quan_tables(ov) < 0) { | |
1330 | err("Error uploading quantization tables"); | |
1331 | rc = -EIO; | |
1332 | goto out; | |
1333 | } | |
1334 | } | |
1335 | ||
1336 | ov->compress_inited = 1; | |
1337 | out: | |
1338 | return rc; | |
1339 | } | |
1340 | ||
1341 | /* Upload compression params and quantization tables. Returns 0 for success. */ | |
1342 | static int | |
1343 | ov518_init_compression(struct usb_ov511 *ov) | |
1344 | { | |
1345 | int rc = 0; | |
1346 | ||
1347 | if (!ov->compress_inited) { | |
1348 | if (ov518_upload_quan_tables(ov) < 0) { | |
1349 | err("Error uploading quantization tables"); | |
1350 | rc = -EIO; | |
1351 | goto out; | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | ov->compress_inited = 1; | |
1356 | out: | |
1357 | return rc; | |
1358 | } | |
1359 | ||
1360 | /* -------------------------------------------------------------------------- */ | |
1361 | ||
1362 | /* Sets sensor's contrast setting to "val" */ | |
1363 | static int | |
1364 | sensor_set_contrast(struct usb_ov511 *ov, unsigned short val) | |
1365 | { | |
1366 | int rc; | |
1367 | ||
1368 | PDEBUG(3, "%d", val); | |
1369 | ||
1370 | if (ov->stop_during_set) | |
1371 | if (ov51x_stop(ov) < 0) | |
1372 | return -EIO; | |
1373 | ||
1374 | switch (ov->sensor) { | |
1375 | case SEN_OV7610: | |
1376 | case SEN_OV6620: | |
1377 | { | |
1378 | rc = i2c_w(ov, OV7610_REG_CNT, val >> 8); | |
1379 | if (rc < 0) | |
1380 | goto out; | |
1381 | break; | |
1382 | } | |
1383 | case SEN_OV6630: | |
1384 | { | |
1385 | rc = i2c_w_mask(ov, OV7610_REG_CNT, val >> 12, 0x0f); | |
1386 | if (rc < 0) | |
1387 | goto out; | |
1388 | break; | |
1389 | } | |
1390 | case SEN_OV7620: | |
1391 | { | |
1392 | unsigned char ctab[] = { | |
1393 | 0x01, 0x05, 0x09, 0x11, 0x15, 0x35, 0x37, 0x57, | |
1394 | 0x5b, 0xa5, 0xa7, 0xc7, 0xc9, 0xcf, 0xef, 0xff | |
1395 | }; | |
1396 | ||
1397 | /* Use Y gamma control instead. Bit 0 enables it. */ | |
1398 | rc = i2c_w(ov, 0x64, ctab[val>>12]); | |
1399 | if (rc < 0) | |
1400 | goto out; | |
1401 | break; | |
1402 | } | |
1403 | case SEN_SAA7111A: | |
1404 | { | |
1405 | rc = i2c_w(ov, 0x0b, val >> 9); | |
1406 | if (rc < 0) | |
1407 | goto out; | |
1408 | break; | |
1409 | } | |
1410 | default: | |
1411 | { | |
1412 | PDEBUG(3, "Unsupported with this sensor"); | |
1413 | rc = -EPERM; | |
1414 | goto out; | |
1415 | } | |
1416 | } | |
1417 | ||
1418 | rc = 0; /* Success */ | |
1419 | ov->contrast = val; | |
1420 | out: | |
1421 | if (ov51x_restart(ov) < 0) | |
1422 | return -EIO; | |
1423 | ||
1424 | return rc; | |
1425 | } | |
1426 | ||
1427 | /* Gets sensor's contrast setting */ | |
1428 | static int | |
1429 | sensor_get_contrast(struct usb_ov511 *ov, unsigned short *val) | |
1430 | { | |
1431 | int rc; | |
1432 | ||
1433 | switch (ov->sensor) { | |
1434 | case SEN_OV7610: | |
1435 | case SEN_OV6620: | |
1436 | rc = i2c_r(ov, OV7610_REG_CNT); | |
1437 | if (rc < 0) | |
1438 | return rc; | |
1439 | else | |
1440 | *val = rc << 8; | |
1441 | break; | |
1442 | case SEN_OV6630: | |
1443 | rc = i2c_r(ov, OV7610_REG_CNT); | |
1444 | if (rc < 0) | |
1445 | return rc; | |
1446 | else | |
1447 | *val = rc << 12; | |
1448 | break; | |
1449 | case SEN_OV7620: | |
1450 | /* Use Y gamma reg instead. Bit 0 is the enable bit. */ | |
1451 | rc = i2c_r(ov, 0x64); | |
1452 | if (rc < 0) | |
1453 | return rc; | |
1454 | else | |
1455 | *val = (rc & 0xfe) << 8; | |
1456 | break; | |
1457 | case SEN_SAA7111A: | |
1458 | *val = ov->contrast; | |
1459 | break; | |
1460 | default: | |
1461 | PDEBUG(3, "Unsupported with this sensor"); | |
1462 | return -EPERM; | |
1463 | } | |
1464 | ||
1465 | PDEBUG(3, "%d", *val); | |
1466 | ov->contrast = *val; | |
1467 | ||
1468 | return 0; | |
1469 | } | |
1470 | ||
1471 | /* -------------------------------------------------------------------------- */ | |
1472 | ||
1473 | /* Sets sensor's brightness setting to "val" */ | |
1474 | static int | |
1475 | sensor_set_brightness(struct usb_ov511 *ov, unsigned short val) | |
1476 | { | |
1477 | int rc; | |
1478 | ||
1479 | PDEBUG(4, "%d", val); | |
1480 | ||
1481 | if (ov->stop_during_set) | |
1482 | if (ov51x_stop(ov) < 0) | |
1483 | return -EIO; | |
1484 | ||
1485 | switch (ov->sensor) { | |
1486 | case SEN_OV7610: | |
1487 | case SEN_OV76BE: | |
1488 | case SEN_OV6620: | |
1489 | case SEN_OV6630: | |
1490 | rc = i2c_w(ov, OV7610_REG_BRT, val >> 8); | |
1491 | if (rc < 0) | |
1492 | goto out; | |
1493 | break; | |
1494 | case SEN_OV7620: | |
1495 | /* 7620 doesn't like manual changes when in auto mode */ | |
1496 | if (!ov->auto_brt) { | |
1497 | rc = i2c_w(ov, OV7610_REG_BRT, val >> 8); | |
1498 | if (rc < 0) | |
1499 | goto out; | |
1500 | } | |
1501 | break; | |
1502 | case SEN_SAA7111A: | |
1503 | rc = i2c_w(ov, 0x0a, val >> 8); | |
1504 | if (rc < 0) | |
1505 | goto out; | |
1506 | break; | |
1507 | default: | |
1508 | PDEBUG(3, "Unsupported with this sensor"); | |
1509 | rc = -EPERM; | |
1510 | goto out; | |
1511 | } | |
1512 | ||
1513 | rc = 0; /* Success */ | |
1514 | ov->brightness = val; | |
1515 | out: | |
1516 | if (ov51x_restart(ov) < 0) | |
1517 | return -EIO; | |
1518 | ||
1519 | return rc; | |
1520 | } | |
1521 | ||
1522 | /* Gets sensor's brightness setting */ | |
1523 | static int | |
1524 | sensor_get_brightness(struct usb_ov511 *ov, unsigned short *val) | |
1525 | { | |
1526 | int rc; | |
1527 | ||
1528 | switch (ov->sensor) { | |
1529 | case SEN_OV7610: | |
1530 | case SEN_OV76BE: | |
1531 | case SEN_OV7620: | |
1532 | case SEN_OV6620: | |
1533 | case SEN_OV6630: | |
1534 | rc = i2c_r(ov, OV7610_REG_BRT); | |
1535 | if (rc < 0) | |
1536 | return rc; | |
1537 | else | |
1538 | *val = rc << 8; | |
1539 | break; | |
1540 | case SEN_SAA7111A: | |
1541 | *val = ov->brightness; | |
1542 | break; | |
1543 | default: | |
1544 | PDEBUG(3, "Unsupported with this sensor"); | |
1545 | return -EPERM; | |
1546 | } | |
1547 | ||
1548 | PDEBUG(3, "%d", *val); | |
1549 | ov->brightness = *val; | |
1550 | ||
1551 | return 0; | |
1552 | } | |
1553 | ||
1554 | /* -------------------------------------------------------------------------- */ | |
1555 | ||
1556 | /* Sets sensor's saturation (color intensity) setting to "val" */ | |
1557 | static int | |
1558 | sensor_set_saturation(struct usb_ov511 *ov, unsigned short val) | |
1559 | { | |
1560 | int rc; | |
1561 | ||
1562 | PDEBUG(3, "%d", val); | |
1563 | ||
1564 | if (ov->stop_during_set) | |
1565 | if (ov51x_stop(ov) < 0) | |
1566 | return -EIO; | |
1567 | ||
1568 | switch (ov->sensor) { | |
1569 | case SEN_OV7610: | |
1570 | case SEN_OV76BE: | |
1571 | case SEN_OV6620: | |
1572 | case SEN_OV6630: | |
1573 | rc = i2c_w(ov, OV7610_REG_SAT, val >> 8); | |
1574 | if (rc < 0) | |
1575 | goto out; | |
1576 | break; | |
1577 | case SEN_OV7620: | |
1578 | // /* Use UV gamma control instead. Bits 0 & 7 are reserved. */ | |
1579 | // rc = ov_i2c_write(ov->dev, 0x62, (val >> 9) & 0x7e); | |
1580 | // if (rc < 0) | |
1581 | // goto out; | |
1582 | rc = i2c_w(ov, OV7610_REG_SAT, val >> 8); | |
1583 | if (rc < 0) | |
1584 | goto out; | |
1585 | break; | |
1586 | case SEN_SAA7111A: | |
1587 | rc = i2c_w(ov, 0x0c, val >> 9); | |
1588 | if (rc < 0) | |
1589 | goto out; | |
1590 | break; | |
1591 | default: | |
1592 | PDEBUG(3, "Unsupported with this sensor"); | |
1593 | rc = -EPERM; | |
1594 | goto out; | |
1595 | } | |
1596 | ||
1597 | rc = 0; /* Success */ | |
1598 | ov->colour = val; | |
1599 | out: | |
1600 | if (ov51x_restart(ov) < 0) | |
1601 | return -EIO; | |
1602 | ||
1603 | return rc; | |
1604 | } | |
1605 | ||
1606 | /* Gets sensor's saturation (color intensity) setting */ | |
1607 | static int | |
1608 | sensor_get_saturation(struct usb_ov511 *ov, unsigned short *val) | |
1609 | { | |
1610 | int rc; | |
1611 | ||
1612 | switch (ov->sensor) { | |
1613 | case SEN_OV7610: | |
1614 | case SEN_OV76BE: | |
1615 | case SEN_OV6620: | |
1616 | case SEN_OV6630: | |
1617 | rc = i2c_r(ov, OV7610_REG_SAT); | |
1618 | if (rc < 0) | |
1619 | return rc; | |
1620 | else | |
1621 | *val = rc << 8; | |
1622 | break; | |
1623 | case SEN_OV7620: | |
1624 | // /* Use UV gamma reg instead. Bits 0 & 7 are reserved. */ | |
1625 | // rc = i2c_r(ov, 0x62); | |
1626 | // if (rc < 0) | |
1627 | // return rc; | |
1628 | // else | |
1629 | // *val = (rc & 0x7e) << 9; | |
1630 | rc = i2c_r(ov, OV7610_REG_SAT); | |
1631 | if (rc < 0) | |
1632 | return rc; | |
1633 | else | |
1634 | *val = rc << 8; | |
1635 | break; | |
1636 | case SEN_SAA7111A: | |
1637 | *val = ov->colour; | |
1638 | break; | |
1639 | default: | |
1640 | PDEBUG(3, "Unsupported with this sensor"); | |
1641 | return -EPERM; | |
1642 | } | |
1643 | ||
1644 | PDEBUG(3, "%d", *val); | |
1645 | ov->colour = *val; | |
1646 | ||
1647 | return 0; | |
1648 | } | |
1649 | ||
1650 | /* -------------------------------------------------------------------------- */ | |
1651 | ||
1652 | /* Sets sensor's hue (red/blue balance) setting to "val" */ | |
1653 | static int | |
1654 | sensor_set_hue(struct usb_ov511 *ov, unsigned short val) | |
1655 | { | |
1656 | int rc; | |
1657 | ||
1658 | PDEBUG(3, "%d", val); | |
1659 | ||
1660 | if (ov->stop_during_set) | |
1661 | if (ov51x_stop(ov) < 0) | |
1662 | return -EIO; | |
1663 | ||
1664 | switch (ov->sensor) { | |
1665 | case SEN_OV7610: | |
1666 | case SEN_OV6620: | |
1667 | case SEN_OV6630: | |
1668 | rc = i2c_w(ov, OV7610_REG_RED, 0xFF - (val >> 8)); | |
1669 | if (rc < 0) | |
1670 | goto out; | |
1671 | ||
1672 | rc = i2c_w(ov, OV7610_REG_BLUE, val >> 8); | |
1673 | if (rc < 0) | |
1674 | goto out; | |
1675 | break; | |
1676 | case SEN_OV7620: | |
1677 | // Hue control is causing problems. I will enable it once it's fixed. | |
1678 | #if 0 | |
1679 | rc = i2c_w(ov, 0x7a, (unsigned char)(val >> 8) + 0xb); | |
1680 | if (rc < 0) | |
1681 | goto out; | |
1682 | ||
1683 | rc = i2c_w(ov, 0x79, (unsigned char)(val >> 8) + 0xb); | |
1684 | if (rc < 0) | |
1685 | goto out; | |
1686 | #endif | |
1687 | break; | |
1688 | case SEN_SAA7111A: | |
1689 | rc = i2c_w(ov, 0x0d, (val + 32768) >> 8); | |
1690 | if (rc < 0) | |
1691 | goto out; | |
1692 | break; | |
1693 | default: | |
1694 | PDEBUG(3, "Unsupported with this sensor"); | |
1695 | rc = -EPERM; | |
1696 | goto out; | |
1697 | } | |
1698 | ||
1699 | rc = 0; /* Success */ | |
1700 | ov->hue = val; | |
1701 | out: | |
1702 | if (ov51x_restart(ov) < 0) | |
1703 | return -EIO; | |
1704 | ||
1705 | return rc; | |
1706 | } | |
1707 | ||
1708 | /* Gets sensor's hue (red/blue balance) setting */ | |
1709 | static int | |
1710 | sensor_get_hue(struct usb_ov511 *ov, unsigned short *val) | |
1711 | { | |
1712 | int rc; | |
1713 | ||
1714 | switch (ov->sensor) { | |
1715 | case SEN_OV7610: | |
1716 | case SEN_OV6620: | |
1717 | case SEN_OV6630: | |
1718 | rc = i2c_r(ov, OV7610_REG_BLUE); | |
1719 | if (rc < 0) | |
1720 | return rc; | |
1721 | else | |
1722 | *val = rc << 8; | |
1723 | break; | |
1724 | case SEN_OV7620: | |
1725 | rc = i2c_r(ov, 0x7a); | |
1726 | if (rc < 0) | |
1727 | return rc; | |
1728 | else | |
1729 | *val = rc << 8; | |
1730 | break; | |
1731 | case SEN_SAA7111A: | |
1732 | *val = ov->hue; | |
1733 | break; | |
1734 | default: | |
1735 | PDEBUG(3, "Unsupported with this sensor"); | |
1736 | return -EPERM; | |
1737 | } | |
1738 | ||
1739 | PDEBUG(3, "%d", *val); | |
1740 | ov->hue = *val; | |
1741 | ||
1742 | return 0; | |
1743 | } | |
1744 | ||
1745 | /* -------------------------------------------------------------------------- */ | |
1746 | ||
1747 | static int | |
1748 | sensor_set_picture(struct usb_ov511 *ov, struct video_picture *p) | |
1749 | { | |
1750 | int rc; | |
1751 | ||
1752 | PDEBUG(4, "sensor_set_picture"); | |
1753 | ||
1754 | ov->whiteness = p->whiteness; | |
1755 | ||
1756 | /* Don't return error if a setting is unsupported, or rest of settings | |
d56410e0 | 1757 | * will not be performed */ |
1da177e4 LT |
1758 | |
1759 | rc = sensor_set_contrast(ov, p->contrast); | |
1760 | if (FATAL_ERROR(rc)) | |
1761 | return rc; | |
1762 | ||
1763 | rc = sensor_set_brightness(ov, p->brightness); | |
1764 | if (FATAL_ERROR(rc)) | |
1765 | return rc; | |
1766 | ||
1767 | rc = sensor_set_saturation(ov, p->colour); | |
1768 | if (FATAL_ERROR(rc)) | |
1769 | return rc; | |
1770 | ||
1771 | rc = sensor_set_hue(ov, p->hue); | |
1772 | if (FATAL_ERROR(rc)) | |
1773 | return rc; | |
1774 | ||
1775 | return 0; | |
1776 | } | |
1777 | ||
1778 | static int | |
1779 | sensor_get_picture(struct usb_ov511 *ov, struct video_picture *p) | |
1780 | { | |
1781 | int rc; | |
1782 | ||
1783 | PDEBUG(4, "sensor_get_picture"); | |
1784 | ||
1785 | /* Don't return error if a setting is unsupported, or rest of settings | |
d56410e0 | 1786 | * will not be performed */ |
1da177e4 LT |
1787 | |
1788 | rc = sensor_get_contrast(ov, &(p->contrast)); | |
1789 | if (FATAL_ERROR(rc)) | |
1790 | return rc; | |
1791 | ||
1792 | rc = sensor_get_brightness(ov, &(p->brightness)); | |
1793 | if (FATAL_ERROR(rc)) | |
1794 | return rc; | |
1795 | ||
1796 | rc = sensor_get_saturation(ov, &(p->colour)); | |
1797 | if (FATAL_ERROR(rc)) | |
1798 | return rc; | |
1799 | ||
1800 | rc = sensor_get_hue(ov, &(p->hue)); | |
1801 | if (FATAL_ERROR(rc)) | |
1802 | return rc; | |
1803 | ||
1804 | p->whiteness = 105 << 8; | |
1805 | ||
1806 | return 0; | |
1807 | } | |
1808 | ||
1809 | #if 0 | |
1810 | // FIXME: Exposure range is only 0x00-0x7f in interlace mode | |
1811 | /* Sets current exposure for sensor. This only has an effect if auto-exposure | |
1812 | * is off */ | |
1813 | static inline int | |
1814 | sensor_set_exposure(struct usb_ov511 *ov, unsigned char val) | |
1815 | { | |
1816 | int rc; | |
1817 | ||
1818 | PDEBUG(3, "%d", val); | |
1819 | ||
1820 | if (ov->stop_during_set) | |
1821 | if (ov51x_stop(ov) < 0) | |
1822 | return -EIO; | |
1823 | ||
1824 | switch (ov->sensor) { | |
1825 | case SEN_OV6620: | |
1826 | case SEN_OV6630: | |
1827 | case SEN_OV7610: | |
1828 | case SEN_OV7620: | |
1829 | case SEN_OV76BE: | |
1830 | case SEN_OV8600: | |
1831 | rc = i2c_w(ov, 0x10, val); | |
1832 | if (rc < 0) | |
1833 | goto out; | |
1834 | ||
1835 | break; | |
1836 | case SEN_KS0127: | |
1837 | case SEN_KS0127B: | |
1838 | case SEN_SAA7111A: | |
1839 | PDEBUG(3, "Unsupported with this sensor"); | |
1840 | return -EPERM; | |
1841 | default: | |
1842 | err("Sensor not supported for set_exposure"); | |
1843 | return -EINVAL; | |
1844 | } | |
1845 | ||
1846 | rc = 0; /* Success */ | |
1847 | ov->exposure = val; | |
1848 | out: | |
1849 | if (ov51x_restart(ov) < 0) | |
1850 | return -EIO; | |
1851 | ||
1852 | return rc; | |
1853 | } | |
1854 | #endif | |
1855 | ||
1856 | /* Gets current exposure level from sensor, regardless of whether it is under | |
1857 | * manual control. */ | |
1858 | static int | |
1859 | sensor_get_exposure(struct usb_ov511 *ov, unsigned char *val) | |
1860 | { | |
1861 | int rc; | |
1862 | ||
1863 | switch (ov->sensor) { | |
1864 | case SEN_OV7610: | |
1865 | case SEN_OV6620: | |
1866 | case SEN_OV6630: | |
1867 | case SEN_OV7620: | |
1868 | case SEN_OV76BE: | |
1869 | case SEN_OV8600: | |
1870 | rc = i2c_r(ov, 0x10); | |
1871 | if (rc < 0) | |
1872 | return rc; | |
1873 | else | |
1874 | *val = rc; | |
1875 | break; | |
1876 | case SEN_KS0127: | |
1877 | case SEN_KS0127B: | |
1878 | case SEN_SAA7111A: | |
1879 | val = NULL; | |
1880 | PDEBUG(3, "Unsupported with this sensor"); | |
1881 | return -EPERM; | |
1882 | default: | |
1883 | err("Sensor not supported for get_exposure"); | |
1884 | return -EINVAL; | |
1885 | } | |
1886 | ||
1887 | PDEBUG(3, "%d", *val); | |
1888 | ov->exposure = *val; | |
1889 | ||
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | /* Turns on or off the LED. Only has an effect with OV511+/OV518(+) */ | |
1894 | static void | |
1895 | ov51x_led_control(struct usb_ov511 *ov, int enable) | |
1896 | { | |
1897 | PDEBUG(4, " (%s)", enable ? "turn on" : "turn off"); | |
1898 | ||
1899 | if (ov->bridge == BRG_OV511PLUS) | |
1900 | reg_w(ov, R511_SYS_LED_CTL, enable ? 1 : 0); | |
1901 | else if (ov->bclass == BCL_OV518) | |
1902 | reg_w_mask(ov, R518_GPIO_OUT, enable ? 0x02 : 0x00, 0x02); | |
1903 | ||
1904 | return; | |
1905 | } | |
1906 | ||
1907 | /* Matches the sensor's internal frame rate to the lighting frequency. | |
1908 | * Valid frequencies are: | |
1909 | * 50 - 50Hz, for European and Asian lighting | |
1910 | * 60 - 60Hz, for American lighting | |
1911 | * | |
1912 | * Tested with: OV7610, OV7620, OV76BE, OV6620 | |
1913 | * Unsupported: KS0127, KS0127B, SAA7111A | |
1914 | * Returns: 0 for success | |
1915 | */ | |
1916 | static int | |
1917 | sensor_set_light_freq(struct usb_ov511 *ov, int freq) | |
1918 | { | |
1919 | int sixty; | |
1920 | ||
1921 | PDEBUG(4, "%d Hz", freq); | |
1922 | ||
1923 | if (freq == 60) | |
1924 | sixty = 1; | |
1925 | else if (freq == 50) | |
1926 | sixty = 0; | |
1927 | else { | |
1928 | err("Invalid light freq (%d Hz)", freq); | |
1929 | return -EINVAL; | |
1930 | } | |
1931 | ||
1932 | switch (ov->sensor) { | |
1933 | case SEN_OV7610: | |
1934 | i2c_w_mask(ov, 0x2a, sixty?0x00:0x80, 0x80); | |
1935 | i2c_w(ov, 0x2b, sixty?0x00:0xac); | |
1936 | i2c_w_mask(ov, 0x13, 0x10, 0x10); | |
1937 | i2c_w_mask(ov, 0x13, 0x00, 0x10); | |
1938 | break; | |
1939 | case SEN_OV7620: | |
1940 | case SEN_OV76BE: | |
1941 | case SEN_OV8600: | |
1942 | i2c_w_mask(ov, 0x2a, sixty?0x00:0x80, 0x80); | |
1943 | i2c_w(ov, 0x2b, sixty?0x00:0xac); | |
1944 | i2c_w_mask(ov, 0x76, 0x01, 0x01); | |
1945 | break; | |
1946 | case SEN_OV6620: | |
1947 | case SEN_OV6630: | |
1948 | i2c_w(ov, 0x2b, sixty?0xa8:0x28); | |
1949 | i2c_w(ov, 0x2a, sixty?0x84:0xa4); | |
1950 | break; | |
1951 | case SEN_KS0127: | |
1952 | case SEN_KS0127B: | |
1953 | case SEN_SAA7111A: | |
1954 | PDEBUG(5, "Unsupported with this sensor"); | |
1955 | return -EPERM; | |
1956 | default: | |
1957 | err("Sensor not supported for set_light_freq"); | |
1958 | return -EINVAL; | |
1959 | } | |
1960 | ||
1961 | ov->lightfreq = freq; | |
1962 | ||
1963 | return 0; | |
1964 | } | |
1965 | ||
1966 | /* If enable is true, turn on the sensor's banding filter, otherwise turn it | |
1967 | * off. This filter tries to reduce the pattern of horizontal light/dark bands | |
1968 | * caused by some (usually fluorescent) lighting. The light frequency must be | |
1969 | * set either before or after enabling it with ov51x_set_light_freq(). | |
1970 | * | |
1971 | * Tested with: OV7610, OV7620, OV76BE, OV6620. | |
1972 | * Unsupported: KS0127, KS0127B, SAA7111A | |
1973 | * Returns: 0 for success | |
1974 | */ | |
1975 | static int | |
1976 | sensor_set_banding_filter(struct usb_ov511 *ov, int enable) | |
1977 | { | |
1978 | int rc; | |
1979 | ||
1980 | PDEBUG(4, " (%s)", enable ? "turn on" : "turn off"); | |
1981 | ||
1982 | if (ov->sensor == SEN_KS0127 || ov->sensor == SEN_KS0127B | |
1983 | || ov->sensor == SEN_SAA7111A) { | |
1984 | PDEBUG(5, "Unsupported with this sensor"); | |
1985 | return -EPERM; | |
1986 | } | |
1987 | ||
1988 | rc = i2c_w_mask(ov, 0x2d, enable?0x04:0x00, 0x04); | |
1989 | if (rc < 0) | |
1990 | return rc; | |
1991 | ||
1992 | ov->bandfilt = enable; | |
1993 | ||
1994 | return 0; | |
1995 | } | |
1996 | ||
1997 | /* If enable is true, turn on the sensor's auto brightness control, otherwise | |
1998 | * turn it off. | |
1999 | * | |
2000 | * Unsupported: KS0127, KS0127B, SAA7111A | |
2001 | * Returns: 0 for success | |
2002 | */ | |
2003 | static int | |
2004 | sensor_set_auto_brightness(struct usb_ov511 *ov, int enable) | |
2005 | { | |
2006 | int rc; | |
2007 | ||
2008 | PDEBUG(4, " (%s)", enable ? "turn on" : "turn off"); | |
2009 | ||
2010 | if (ov->sensor == SEN_KS0127 || ov->sensor == SEN_KS0127B | |
2011 | || ov->sensor == SEN_SAA7111A) { | |
2012 | PDEBUG(5, "Unsupported with this sensor"); | |
2013 | return -EPERM; | |
2014 | } | |
2015 | ||
2016 | rc = i2c_w_mask(ov, 0x2d, enable?0x10:0x00, 0x10); | |
2017 | if (rc < 0) | |
2018 | return rc; | |
2019 | ||
2020 | ov->auto_brt = enable; | |
2021 | ||
2022 | return 0; | |
2023 | } | |
2024 | ||
2025 | /* If enable is true, turn on the sensor's auto exposure control, otherwise | |
2026 | * turn it off. | |
2027 | * | |
2028 | * Unsupported: KS0127, KS0127B, SAA7111A | |
2029 | * Returns: 0 for success | |
2030 | */ | |
2031 | static int | |
2032 | sensor_set_auto_exposure(struct usb_ov511 *ov, int enable) | |
2033 | { | |
2034 | PDEBUG(4, " (%s)", enable ? "turn on" : "turn off"); | |
2035 | ||
2036 | switch (ov->sensor) { | |
2037 | case SEN_OV7610: | |
2038 | i2c_w_mask(ov, 0x29, enable?0x00:0x80, 0x80); | |
2039 | break; | |
2040 | case SEN_OV6620: | |
2041 | case SEN_OV7620: | |
2042 | case SEN_OV76BE: | |
2043 | case SEN_OV8600: | |
2044 | i2c_w_mask(ov, 0x13, enable?0x01:0x00, 0x01); | |
2045 | break; | |
2046 | case SEN_OV6630: | |
2047 | i2c_w_mask(ov, 0x28, enable?0x00:0x10, 0x10); | |
2048 | break; | |
2049 | case SEN_KS0127: | |
2050 | case SEN_KS0127B: | |
2051 | case SEN_SAA7111A: | |
2052 | PDEBUG(5, "Unsupported with this sensor"); | |
2053 | return -EPERM; | |
2054 | default: | |
2055 | err("Sensor not supported for set_auto_exposure"); | |
2056 | return -EINVAL; | |
2057 | } | |
2058 | ||
2059 | ov->auto_exp = enable; | |
2060 | ||
2061 | return 0; | |
2062 | } | |
2063 | ||
2064 | /* Modifies the sensor's exposure algorithm to allow proper exposure of objects | |
2065 | * that are illuminated from behind. | |
2066 | * | |
2067 | * Tested with: OV6620, OV7620 | |
2068 | * Unsupported: OV7610, OV76BE, KS0127, KS0127B, SAA7111A | |
2069 | * Returns: 0 for success | |
2070 | */ | |
2071 | static int | |
2072 | sensor_set_backlight(struct usb_ov511 *ov, int enable) | |
2073 | { | |
2074 | PDEBUG(4, " (%s)", enable ? "turn on" : "turn off"); | |
2075 | ||
2076 | switch (ov->sensor) { | |
2077 | case SEN_OV7620: | |
2078 | case SEN_OV8600: | |
2079 | i2c_w_mask(ov, 0x68, enable?0xe0:0xc0, 0xe0); | |
2080 | i2c_w_mask(ov, 0x29, enable?0x08:0x00, 0x08); | |
2081 | i2c_w_mask(ov, 0x28, enable?0x02:0x00, 0x02); | |
2082 | break; | |
2083 | case SEN_OV6620: | |
2084 | i2c_w_mask(ov, 0x4e, enable?0xe0:0xc0, 0xe0); | |
2085 | i2c_w_mask(ov, 0x29, enable?0x08:0x00, 0x08); | |
2086 | i2c_w_mask(ov, 0x0e, enable?0x80:0x00, 0x80); | |
2087 | break; | |
2088 | case SEN_OV6630: | |
2089 | i2c_w_mask(ov, 0x4e, enable?0x80:0x60, 0xe0); | |
2090 | i2c_w_mask(ov, 0x29, enable?0x08:0x00, 0x08); | |
2091 | i2c_w_mask(ov, 0x28, enable?0x02:0x00, 0x02); | |
2092 | break; | |
2093 | case SEN_OV7610: | |
2094 | case SEN_OV76BE: | |
2095 | case SEN_KS0127: | |
2096 | case SEN_KS0127B: | |
2097 | case SEN_SAA7111A: | |
2098 | PDEBUG(5, "Unsupported with this sensor"); | |
2099 | return -EPERM; | |
2100 | default: | |
2101 | err("Sensor not supported for set_backlight"); | |
2102 | return -EINVAL; | |
2103 | } | |
2104 | ||
2105 | ov->backlight = enable; | |
2106 | ||
2107 | return 0; | |
2108 | } | |
2109 | ||
2110 | static int | |
2111 | sensor_set_mirror(struct usb_ov511 *ov, int enable) | |
2112 | { | |
2113 | PDEBUG(4, " (%s)", enable ? "turn on" : "turn off"); | |
2114 | ||
2115 | switch (ov->sensor) { | |
2116 | case SEN_OV6620: | |
2117 | case SEN_OV6630: | |
2118 | case SEN_OV7610: | |
2119 | case SEN_OV7620: | |
2120 | case SEN_OV76BE: | |
2121 | case SEN_OV8600: | |
2122 | i2c_w_mask(ov, 0x12, enable?0x40:0x00, 0x40); | |
2123 | break; | |
2124 | case SEN_KS0127: | |
2125 | case SEN_KS0127B: | |
2126 | case SEN_SAA7111A: | |
2127 | PDEBUG(5, "Unsupported with this sensor"); | |
2128 | return -EPERM; | |
2129 | default: | |
2130 | err("Sensor not supported for set_mirror"); | |
2131 | return -EINVAL; | |
2132 | } | |
2133 | ||
2134 | ov->mirror = enable; | |
2135 | ||
2136 | return 0; | |
2137 | } | |
2138 | ||
2139 | /* Returns number of bits per pixel (regardless of where they are located; | |
2140 | * planar or not), or zero for unsupported format. | |
2141 | */ | |
2142 | static inline int | |
2143 | get_depth(int palette) | |
2144 | { | |
2145 | switch (palette) { | |
2146 | case VIDEO_PALETTE_GREY: return 8; | |
2147 | case VIDEO_PALETTE_YUV420: return 12; | |
2148 | case VIDEO_PALETTE_YUV420P: return 12; /* Planar */ | |
2149 | default: return 0; /* Invalid format */ | |
2150 | } | |
2151 | } | |
2152 | ||
2153 | /* Bytes per frame. Used by read(). Return of 0 indicates error */ | |
2154 | static inline long int | |
2155 | get_frame_length(struct ov511_frame *frame) | |
2156 | { | |
2157 | if (!frame) | |
2158 | return 0; | |
2159 | else | |
2160 | return ((frame->width * frame->height | |
2161 | * get_depth(frame->format)) >> 3); | |
2162 | } | |
2163 | ||
2164 | static int | |
2165 | mode_init_ov_sensor_regs(struct usb_ov511 *ov, int width, int height, | |
2166 | int mode, int sub_flag, int qvga) | |
2167 | { | |
2168 | int clock; | |
2169 | ||
2170 | /******** Mode (VGA/QVGA) and sensor specific regs ********/ | |
2171 | ||
2172 | switch (ov->sensor) { | |
2173 | case SEN_OV7610: | |
2174 | i2c_w(ov, 0x14, qvga?0x24:0x04); | |
2175 | // FIXME: Does this improve the image quality or frame rate? | |
2176 | #if 0 | |
2177 | i2c_w_mask(ov, 0x28, qvga?0x00:0x20, 0x20); | |
2178 | i2c_w(ov, 0x24, 0x10); | |
2179 | i2c_w(ov, 0x25, qvga?0x40:0x8a); | |
2180 | i2c_w(ov, 0x2f, qvga?0x30:0xb0); | |
2181 | i2c_w(ov, 0x35, qvga?0x1c:0x9c); | |
2182 | #endif | |
2183 | break; | |
2184 | case SEN_OV7620: | |
2185 | // i2c_w(ov, 0x2b, 0x00); | |
2186 | i2c_w(ov, 0x14, qvga?0xa4:0x84); | |
2187 | i2c_w_mask(ov, 0x28, qvga?0x00:0x20, 0x20); | |
2188 | i2c_w(ov, 0x24, qvga?0x20:0x3a); | |
2189 | i2c_w(ov, 0x25, qvga?0x30:0x60); | |
2190 | i2c_w_mask(ov, 0x2d, qvga?0x40:0x00, 0x40); | |
2191 | i2c_w_mask(ov, 0x67, qvga?0xf0:0x90, 0xf0); | |
2192 | i2c_w_mask(ov, 0x74, qvga?0x20:0x00, 0x20); | |
2193 | break; | |
2194 | case SEN_OV76BE: | |
2195 | // i2c_w(ov, 0x2b, 0x00); | |
2196 | i2c_w(ov, 0x14, qvga?0xa4:0x84); | |
2197 | // FIXME: Enable this once 7620AE uses 7620 initial settings | |
2198 | #if 0 | |
2199 | i2c_w_mask(ov, 0x28, qvga?0x00:0x20, 0x20); | |
2200 | i2c_w(ov, 0x24, qvga?0x20:0x3a); | |
2201 | i2c_w(ov, 0x25, qvga?0x30:0x60); | |
2202 | i2c_w_mask(ov, 0x2d, qvga?0x40:0x00, 0x40); | |
2203 | i2c_w_mask(ov, 0x67, qvga?0xb0:0x90, 0xf0); | |
2204 | i2c_w_mask(ov, 0x74, qvga?0x20:0x00, 0x20); | |
2205 | #endif | |
2206 | break; | |
2207 | case SEN_OV6620: | |
2208 | i2c_w(ov, 0x14, qvga?0x24:0x04); | |
2209 | break; | |
2210 | case SEN_OV6630: | |
2211 | i2c_w(ov, 0x14, qvga?0xa0:0x80); | |
2212 | break; | |
2213 | default: | |
2214 | err("Invalid sensor"); | |
2215 | return -EINVAL; | |
2216 | } | |
2217 | ||
2218 | /******** Palette-specific regs ********/ | |
2219 | ||
2220 | if (mode == VIDEO_PALETTE_GREY) { | |
2221 | if (ov->sensor == SEN_OV7610 || ov->sensor == SEN_OV76BE) { | |
2222 | /* these aren't valid on the OV6620/OV7620/6630? */ | |
2223 | i2c_w_mask(ov, 0x0e, 0x40, 0x40); | |
2224 | } | |
2225 | ||
2226 | if (ov->sensor == SEN_OV6630 && ov->bridge == BRG_OV518 | |
2227 | && ov518_color) { | |
2228 | i2c_w_mask(ov, 0x12, 0x00, 0x10); | |
2229 | i2c_w_mask(ov, 0x13, 0x00, 0x20); | |
2230 | } else { | |
2231 | i2c_w_mask(ov, 0x13, 0x20, 0x20); | |
2232 | } | |
2233 | } else { | |
2234 | if (ov->sensor == SEN_OV7610 || ov->sensor == SEN_OV76BE) { | |
2235 | /* not valid on the OV6620/OV7620/6630? */ | |
2236 | i2c_w_mask(ov, 0x0e, 0x00, 0x40); | |
2237 | } | |
2238 | ||
2239 | /* The OV518 needs special treatment. Although both the OV518 | |
2240 | * and the OV6630 support a 16-bit video bus, only the 8 bit Y | |
2241 | * bus is actually used. The UV bus is tied to ground. | |
2242 | * Therefore, the OV6630 needs to be in 8-bit multiplexed | |
2243 | * output mode */ | |
2244 | ||
2245 | if (ov->sensor == SEN_OV6630 && ov->bridge == BRG_OV518 | |
2246 | && ov518_color) { | |
2247 | i2c_w_mask(ov, 0x12, 0x10, 0x10); | |
2248 | i2c_w_mask(ov, 0x13, 0x20, 0x20); | |
2249 | } else { | |
2250 | i2c_w_mask(ov, 0x13, 0x00, 0x20); | |
2251 | } | |
2252 | } | |
2253 | ||
2254 | /******** Clock programming ********/ | |
2255 | ||
d56410e0 | 2256 | /* The OV6620 needs special handling. This prevents the |
1da177e4 LT |
2257 | * severe banding that normally occurs */ |
2258 | if (ov->sensor == SEN_OV6620 || ov->sensor == SEN_OV6630) | |
2259 | { | |
2260 | /* Clock down */ | |
2261 | ||
2262 | i2c_w(ov, 0x2a, 0x04); | |
2263 | ||
2264 | if (ov->compress) { | |
2265 | // clock = 0; /* This ensures the highest frame rate */ | |
2266 | clock = 3; | |
2267 | } else if (clockdiv == -1) { /* If user didn't override it */ | |
2268 | clock = 3; /* Gives better exposure time */ | |
2269 | } else { | |
2270 | clock = clockdiv; | |
2271 | } | |
2272 | ||
2273 | PDEBUG(4, "Setting clock divisor to %d", clock); | |
2274 | ||
2275 | i2c_w(ov, 0x11, clock); | |
2276 | ||
2277 | i2c_w(ov, 0x2a, 0x84); | |
2278 | /* This next setting is critical. It seems to improve | |
2279 | * the gain or the contrast. The "reserved" bits seem | |
2280 | * to have some effect in this case. */ | |
2281 | i2c_w(ov, 0x2d, 0x85); | |
2282 | } | |
2283 | else | |
2284 | { | |
2285 | if (ov->compress) { | |
2286 | clock = 1; /* This ensures the highest frame rate */ | |
2287 | } else if (clockdiv == -1) { /* If user didn't override it */ | |
2288 | /* Calculate and set the clock divisor */ | |
2289 | clock = ((sub_flag ? ov->subw * ov->subh | |
2290 | : width * height) | |
2291 | * (mode == VIDEO_PALETTE_GREY ? 2 : 3) / 2) | |
2292 | / 66000; | |
2293 | } else { | |
2294 | clock = clockdiv; | |
2295 | } | |
2296 | ||
2297 | PDEBUG(4, "Setting clock divisor to %d", clock); | |
2298 | ||
2299 | i2c_w(ov, 0x11, clock); | |
2300 | } | |
2301 | ||
2302 | /******** Special Features ********/ | |
2303 | ||
2304 | if (framedrop >= 0) | |
2305 | i2c_w(ov, 0x16, framedrop); | |
2306 | ||
2307 | /* Test Pattern */ | |
2308 | i2c_w_mask(ov, 0x12, (testpat?0x02:0x00), 0x02); | |
2309 | ||
2310 | /* Enable auto white balance */ | |
2311 | i2c_w_mask(ov, 0x12, 0x04, 0x04); | |
2312 | ||
2313 | // This will go away as soon as ov51x_mode_init_sensor_regs() | |
2314 | // is fully tested. | |
2315 | /* 7620/6620/6630? don't have register 0x35, so play it safe */ | |
2316 | if (ov->sensor == SEN_OV7610 || ov->sensor == SEN_OV76BE) { | |
2317 | if (width == 640 && height == 480) | |
2318 | i2c_w(ov, 0x35, 0x9e); | |
2319 | else | |
2320 | i2c_w(ov, 0x35, 0x1e); | |
2321 | } | |
2322 | ||
2323 | return 0; | |
2324 | } | |
2325 | ||
2326 | static int | |
2327 | set_ov_sensor_window(struct usb_ov511 *ov, int width, int height, int mode, | |
2328 | int sub_flag) | |
2329 | { | |
2330 | int ret; | |
d56410e0 | 2331 | int hwsbase, hwebase, vwsbase, vwebase, hwsize, vwsize; |
1da177e4 LT |
2332 | int hoffset, voffset, hwscale = 0, vwscale = 0; |
2333 | ||
2334 | /* The different sensor ICs handle setting up of window differently. | |
2335 | * IF YOU SET IT WRONG, YOU WILL GET ALL ZERO ISOC DATA FROM OV51x!!! */ | |
2336 | switch (ov->sensor) { | |
2337 | case SEN_OV7610: | |
2338 | case SEN_OV76BE: | |
2339 | hwsbase = 0x38; | |
2340 | hwebase = 0x3a; | |
2341 | vwsbase = vwebase = 0x05; | |
2342 | break; | |
2343 | case SEN_OV6620: | |
2344 | case SEN_OV6630: | |
2345 | hwsbase = 0x38; | |
2346 | hwebase = 0x3a; | |
2347 | vwsbase = 0x05; | |
2348 | vwebase = 0x06; | |
2349 | break; | |
2350 | case SEN_OV7620: | |
2351 | hwsbase = 0x2f; /* From 7620.SET (spec is wrong) */ | |
2352 | hwebase = 0x2f; | |
2353 | vwsbase = vwebase = 0x05; | |
2354 | break; | |
2355 | default: | |
2356 | err("Invalid sensor"); | |
2357 | return -EINVAL; | |
2358 | } | |
2359 | ||
2360 | if (ov->sensor == SEN_OV6620 || ov->sensor == SEN_OV6630) { | |
2361 | /* Note: OV518(+) does downsample on its own) */ | |
2362 | if ((width > 176 && height > 144) | |
2363 | || ov->bclass == BCL_OV518) { /* CIF */ | |
2364 | ret = mode_init_ov_sensor_regs(ov, width, height, | |
2365 | mode, sub_flag, 0); | |
2366 | if (ret < 0) | |
2367 | return ret; | |
2368 | hwscale = 1; | |
2369 | vwscale = 1; /* The datasheet says 0; it's wrong */ | |
2370 | hwsize = 352; | |
2371 | vwsize = 288; | |
2372 | } else if (width > 176 || height > 144) { | |
2373 | err("Illegal dimensions"); | |
2374 | return -EINVAL; | |
2375 | } else { /* QCIF */ | |
2376 | ret = mode_init_ov_sensor_regs(ov, width, height, | |
2377 | mode, sub_flag, 1); | |
2378 | if (ret < 0) | |
2379 | return ret; | |
2380 | hwsize = 176; | |
2381 | vwsize = 144; | |
2382 | } | |
2383 | } else { | |
2384 | if (width > 320 && height > 240) { /* VGA */ | |
2385 | ret = mode_init_ov_sensor_regs(ov, width, height, | |
2386 | mode, sub_flag, 0); | |
2387 | if (ret < 0) | |
2388 | return ret; | |
2389 | hwscale = 2; | |
2390 | vwscale = 1; | |
2391 | hwsize = 640; | |
2392 | vwsize = 480; | |
2393 | } else if (width > 320 || height > 240) { | |
2394 | err("Illegal dimensions"); | |
2395 | return -EINVAL; | |
2396 | } else { /* QVGA */ | |
2397 | ret = mode_init_ov_sensor_regs(ov, width, height, | |
2398 | mode, sub_flag, 1); | |
2399 | if (ret < 0) | |
2400 | return ret; | |
2401 | hwscale = 1; | |
2402 | hwsize = 320; | |
2403 | vwsize = 240; | |
2404 | } | |
2405 | } | |
2406 | ||
2407 | /* Center the window */ | |
2408 | hoffset = ((hwsize - width) / 2) >> hwscale; | |
2409 | voffset = ((vwsize - height) / 2) >> vwscale; | |
2410 | ||
2411 | /* FIXME! - This needs to be changed to support 160x120 and 6620!!! */ | |
2412 | if (sub_flag) { | |
2413 | i2c_w(ov, 0x17, hwsbase+(ov->subx>>hwscale)); | |
2414 | i2c_w(ov, 0x18, hwebase+((ov->subx+ov->subw)>>hwscale)); | |
2415 | i2c_w(ov, 0x19, vwsbase+(ov->suby>>vwscale)); | |
2416 | i2c_w(ov, 0x1a, vwebase+((ov->suby+ov->subh)>>vwscale)); | |
2417 | } else { | |
2418 | i2c_w(ov, 0x17, hwsbase + hoffset); | |
2419 | i2c_w(ov, 0x18, hwebase + hoffset + (hwsize>>hwscale)); | |
2420 | i2c_w(ov, 0x19, vwsbase + voffset); | |
2421 | i2c_w(ov, 0x1a, vwebase + voffset + (vwsize>>vwscale)); | |
2422 | } | |
2423 | ||
2424 | #ifdef OV511_DEBUG | |
2425 | if (dump_sensor) | |
2426 | dump_i2c_regs(ov); | |
2427 | #endif | |
2428 | ||
2429 | return 0; | |
2430 | } | |
2431 | ||
2432 | /* Set up the OV511/OV511+ with the given image parameters. | |
2433 | * | |
2434 | * Do not put any sensor-specific code in here (including I2C I/O functions) | |
2435 | */ | |
2436 | static int | |
2437 | ov511_mode_init_regs(struct usb_ov511 *ov, | |
2438 | int width, int height, int mode, int sub_flag) | |
2439 | { | |
2440 | int hsegs, vsegs; | |
2441 | ||
2442 | if (sub_flag) { | |
2443 | width = ov->subw; | |
2444 | height = ov->subh; | |
2445 | } | |
2446 | ||
2447 | PDEBUG(3, "width:%d, height:%d, mode:%d, sub:%d", | |
2448 | width, height, mode, sub_flag); | |
2449 | ||
2450 | // FIXME: This should be moved to a 7111a-specific function once | |
2451 | // subcapture is dealt with properly | |
2452 | if (ov->sensor == SEN_SAA7111A) { | |
2453 | if (width == 320 && height == 240) { | |
2454 | /* No need to do anything special */ | |
2455 | } else if (width == 640 && height == 480) { | |
2456 | /* Set the OV511 up as 320x480, but keep the | |
2457 | * V4L resolution as 640x480 */ | |
2458 | width = 320; | |
2459 | } else { | |
2460 | err("SAA7111A only allows 320x240 or 640x480"); | |
2461 | return -EINVAL; | |
2462 | } | |
2463 | } | |
2464 | ||
2465 | /* Make sure width and height are a multiple of 8 */ | |
2466 | if (width % 8 || height % 8) { | |
2467 | err("Invalid size (%d, %d) (mode = %d)", width, height, mode); | |
2468 | return -EINVAL; | |
2469 | } | |
2470 | ||
2471 | if (width < ov->minwidth || height < ov->minheight) { | |
2472 | err("Requested dimensions are too small"); | |
2473 | return -EINVAL; | |
2474 | } | |
2475 | ||
2476 | if (ov51x_stop(ov) < 0) | |
2477 | return -EIO; | |
2478 | ||
2479 | if (mode == VIDEO_PALETTE_GREY) { | |
2480 | reg_w(ov, R511_CAM_UV_EN, 0x00); | |
2481 | reg_w(ov, R511_SNAP_UV_EN, 0x00); | |
2482 | reg_w(ov, R511_SNAP_OPTS, 0x01); | |
2483 | } else { | |
2484 | reg_w(ov, R511_CAM_UV_EN, 0x01); | |
2485 | reg_w(ov, R511_SNAP_UV_EN, 0x01); | |
2486 | reg_w(ov, R511_SNAP_OPTS, 0x03); | |
2487 | } | |
2488 | ||
2489 | /* Here I'm assuming that snapshot size == image size. | |
2490 | * I hope that's always true. --claudio | |
2491 | */ | |
2492 | hsegs = (width >> 3) - 1; | |
2493 | vsegs = (height >> 3) - 1; | |
2494 | ||
2495 | reg_w(ov, R511_CAM_PXCNT, hsegs); | |
2496 | reg_w(ov, R511_CAM_LNCNT, vsegs); | |
2497 | reg_w(ov, R511_CAM_PXDIV, 0x00); | |
2498 | reg_w(ov, R511_CAM_LNDIV, 0x00); | |
2499 | ||
2500 | /* YUV420, low pass filter on */ | |
2501 | reg_w(ov, R511_CAM_OPTS, 0x03); | |
2502 | ||
2503 | /* Snapshot additions */ | |
2504 | reg_w(ov, R511_SNAP_PXCNT, hsegs); | |
2505 | reg_w(ov, R511_SNAP_LNCNT, vsegs); | |
2506 | reg_w(ov, R511_SNAP_PXDIV, 0x00); | |
2507 | reg_w(ov, R511_SNAP_LNDIV, 0x00); | |
2508 | ||
2509 | if (ov->compress) { | |
2510 | /* Enable Y and UV quantization and compression */ | |
2511 | reg_w(ov, R511_COMP_EN, 0x07); | |
2512 | reg_w(ov, R511_COMP_LUT_EN, 0x03); | |
2513 | ov51x_reset(ov, OV511_RESET_OMNICE); | |
2514 | } | |
2515 | ||
2516 | if (ov51x_restart(ov) < 0) | |
2517 | return -EIO; | |
2518 | ||
2519 | return 0; | |
2520 | } | |
2521 | ||
2522 | /* Sets up the OV518/OV518+ with the given image parameters | |
2523 | * | |
2524 | * OV518 needs a completely different approach, until we can figure out what | |
2525 | * the individual registers do. Also, only 15 FPS is supported now. | |
2526 | * | |
2527 | * Do not put any sensor-specific code in here (including I2C I/O functions) | |
2528 | */ | |
2529 | static int | |
2530 | ov518_mode_init_regs(struct usb_ov511 *ov, | |
2531 | int width, int height, int mode, int sub_flag) | |
2532 | { | |
2533 | int hsegs, vsegs, hi_res; | |
2534 | ||
2535 | if (sub_flag) { | |
2536 | width = ov->subw; | |
2537 | height = ov->subh; | |
2538 | } | |
2539 | ||
2540 | PDEBUG(3, "width:%d, height:%d, mode:%d, sub:%d", | |
2541 | width, height, mode, sub_flag); | |
2542 | ||
2543 | if (width % 16 || height % 8) { | |
2544 | err("Invalid size (%d, %d)", width, height); | |
2545 | return -EINVAL; | |
2546 | } | |
2547 | ||
2548 | if (width < ov->minwidth || height < ov->minheight) { | |
2549 | err("Requested dimensions are too small"); | |
2550 | return -EINVAL; | |
2551 | } | |
2552 | ||
2553 | if (width >= 320 && height >= 240) { | |
2554 | hi_res = 1; | |
2555 | } else if (width >= 320 || height >= 240) { | |
2556 | err("Invalid width/height combination (%d, %d)", width, height); | |
2557 | return -EINVAL; | |
2558 | } else { | |
2559 | hi_res = 0; | |
2560 | } | |
2561 | ||
2562 | if (ov51x_stop(ov) < 0) | |
2563 | return -EIO; | |
2564 | ||
2565 | /******** Set the mode ********/ | |
2566 | ||
2567 | reg_w(ov, 0x2b, 0); | |
2568 | reg_w(ov, 0x2c, 0); | |
2569 | reg_w(ov, 0x2d, 0); | |
2570 | reg_w(ov, 0x2e, 0); | |
2571 | reg_w(ov, 0x3b, 0); | |
2572 | reg_w(ov, 0x3c, 0); | |
2573 | reg_w(ov, 0x3d, 0); | |
2574 | reg_w(ov, 0x3e, 0); | |
2575 | ||
2576 | if (ov->bridge == BRG_OV518 && ov518_color) { | |
2577 | /* OV518 needs U and V swapped */ | |
2578 | i2c_w_mask(ov, 0x15, 0x00, 0x01); | |
2579 | ||
d56410e0 | 2580 | if (mode == VIDEO_PALETTE_GREY) { |
1da177e4 LT |
2581 | /* Set 16-bit input format (UV data are ignored) */ |
2582 | reg_w_mask(ov, 0x20, 0x00, 0x08); | |
2583 | ||
2584 | /* Set 8-bit (4:0:0) output format */ | |
2585 | reg_w_mask(ov, 0x28, 0x00, 0xf0); | |
2586 | reg_w_mask(ov, 0x38, 0x00, 0xf0); | |
2587 | } else { | |
2588 | /* Set 8-bit (YVYU) input format */ | |
2589 | reg_w_mask(ov, 0x20, 0x08, 0x08); | |
2590 | ||
2591 | /* Set 12-bit (4:2:0) output format */ | |
2592 | reg_w_mask(ov, 0x28, 0x80, 0xf0); | |
2593 | reg_w_mask(ov, 0x38, 0x80, 0xf0); | |
2594 | } | |
2595 | } else { | |
2596 | reg_w(ov, 0x28, (mode == VIDEO_PALETTE_GREY) ? 0x00:0x80); | |
2597 | reg_w(ov, 0x38, (mode == VIDEO_PALETTE_GREY) ? 0x00:0x80); | |
2598 | } | |
2599 | ||
2600 | hsegs = width / 16; | |
2601 | vsegs = height / 4; | |
2602 | ||
2603 | reg_w(ov, 0x29, hsegs); | |
2604 | reg_w(ov, 0x2a, vsegs); | |
2605 | ||
2606 | reg_w(ov, 0x39, hsegs); | |
2607 | reg_w(ov, 0x3a, vsegs); | |
2608 | ||
2609 | /* Windows driver does this here; who knows why */ | |
2610 | reg_w(ov, 0x2f, 0x80); | |
2611 | ||
2612 | /******** Set the framerate (to 15 FPS) ********/ | |
2613 | ||
2614 | /* Mode independent, but framerate dependent, regs */ | |
2615 | reg_w(ov, 0x51, 0x02); /* Clock divider; lower==faster */ | |
2616 | reg_w(ov, 0x22, 0x18); | |
2617 | reg_w(ov, 0x23, 0xff); | |
2618 | ||
2619 | if (ov->bridge == BRG_OV518PLUS) | |
2620 | reg_w(ov, 0x21, 0x19); | |
2621 | else | |
2622 | reg_w(ov, 0x71, 0x19); /* Compression-related? */ | |
2623 | ||
2624 | // FIXME: Sensor-specific | |
2625 | /* Bit 5 is what matters here. Of course, it is "reserved" */ | |
2626 | i2c_w(ov, 0x54, 0x23); | |
2627 | ||
2628 | reg_w(ov, 0x2f, 0x80); | |
2629 | ||
2630 | if (ov->bridge == BRG_OV518PLUS) { | |
2631 | reg_w(ov, 0x24, 0x94); | |
2632 | reg_w(ov, 0x25, 0x90); | |
2633 | ov518_reg_w32(ov, 0xc4, 400, 2); /* 190h */ | |
2634 | ov518_reg_w32(ov, 0xc6, 540, 2); /* 21ch */ | |
2635 | ov518_reg_w32(ov, 0xc7, 540, 2); /* 21ch */ | |
2636 | ov518_reg_w32(ov, 0xc8, 108, 2); /* 6ch */ | |
2637 | ov518_reg_w32(ov, 0xca, 131098, 3); /* 2001ah */ | |
2638 | ov518_reg_w32(ov, 0xcb, 532, 2); /* 214h */ | |
2639 | ov518_reg_w32(ov, 0xcc, 2400, 2); /* 960h */ | |
2640 | ov518_reg_w32(ov, 0xcd, 32, 2); /* 20h */ | |
2641 | ov518_reg_w32(ov, 0xce, 608, 2); /* 260h */ | |
2642 | } else { | |
2643 | reg_w(ov, 0x24, 0x9f); | |
2644 | reg_w(ov, 0x25, 0x90); | |
2645 | ov518_reg_w32(ov, 0xc4, 400, 2); /* 190h */ | |
2646 | ov518_reg_w32(ov, 0xc6, 500, 2); /* 1f4h */ | |
2647 | ov518_reg_w32(ov, 0xc7, 500, 2); /* 1f4h */ | |
2648 | ov518_reg_w32(ov, 0xc8, 142, 2); /* 8eh */ | |
2649 | ov518_reg_w32(ov, 0xca, 131098, 3); /* 2001ah */ | |
2650 | ov518_reg_w32(ov, 0xcb, 532, 2); /* 214h */ | |
2651 | ov518_reg_w32(ov, 0xcc, 2000, 2); /* 7d0h */ | |
2652 | ov518_reg_w32(ov, 0xcd, 32, 2); /* 20h */ | |
2653 | ov518_reg_w32(ov, 0xce, 608, 2); /* 260h */ | |
2654 | } | |
2655 | ||
2656 | reg_w(ov, 0x2f, 0x80); | |
2657 | ||
2658 | if (ov51x_restart(ov) < 0) | |
2659 | return -EIO; | |
2660 | ||
2661 | /* Reset it just for good measure */ | |
2662 | if (ov51x_reset(ov, OV511_RESET_NOREGS) < 0) | |
2663 | return -EIO; | |
2664 | ||
2665 | return 0; | |
2666 | } | |
2667 | ||
2668 | /* This is a wrapper around the OV511, OV518, and sensor specific functions */ | |
2669 | static int | |
2670 | mode_init_regs(struct usb_ov511 *ov, | |
2671 | int width, int height, int mode, int sub_flag) | |
2672 | { | |
2673 | int rc = 0; | |
2674 | ||
2675 | if (!ov || !ov->dev) | |
2676 | return -EFAULT; | |
2677 | ||
2678 | if (ov->bclass == BCL_OV518) { | |
2679 | rc = ov518_mode_init_regs(ov, width, height, mode, sub_flag); | |
2680 | } else { | |
2681 | rc = ov511_mode_init_regs(ov, width, height, mode, sub_flag); | |
2682 | } | |
2683 | ||
2684 | if (FATAL_ERROR(rc)) | |
2685 | return rc; | |
2686 | ||
2687 | switch (ov->sensor) { | |
2688 | case SEN_OV7610: | |
2689 | case SEN_OV7620: | |
2690 | case SEN_OV76BE: | |
2691 | case SEN_OV8600: | |
2692 | case SEN_OV6620: | |
2693 | case SEN_OV6630: | |
2694 | rc = set_ov_sensor_window(ov, width, height, mode, sub_flag); | |
2695 | break; | |
2696 | case SEN_KS0127: | |
2697 | case SEN_KS0127B: | |
2698 | err("KS0127-series decoders not supported yet"); | |
2699 | rc = -EINVAL; | |
2700 | break; | |
2701 | case SEN_SAA7111A: | |
2702 | // rc = mode_init_saa_sensor_regs(ov, width, height, mode, | |
2703 | // sub_flag); | |
2704 | ||
2705 | PDEBUG(1, "SAA status = 0x%02X", i2c_r(ov, 0x1f)); | |
2706 | break; | |
2707 | default: | |
2708 | err("Unknown sensor"); | |
2709 | rc = -EINVAL; | |
2710 | } | |
2711 | ||
2712 | if (FATAL_ERROR(rc)) | |
2713 | return rc; | |
2714 | ||
2715 | /* Sensor-independent settings */ | |
2716 | rc = sensor_set_auto_brightness(ov, ov->auto_brt); | |
2717 | if (FATAL_ERROR(rc)) | |
2718 | return rc; | |
2719 | ||
2720 | rc = sensor_set_auto_exposure(ov, ov->auto_exp); | |
2721 | if (FATAL_ERROR(rc)) | |
2722 | return rc; | |
2723 | ||
2724 | rc = sensor_set_banding_filter(ov, bandingfilter); | |
2725 | if (FATAL_ERROR(rc)) | |
2726 | return rc; | |
2727 | ||
2728 | if (ov->lightfreq) { | |
2729 | rc = sensor_set_light_freq(ov, lightfreq); | |
2730 | if (FATAL_ERROR(rc)) | |
2731 | return rc; | |
2732 | } | |
2733 | ||
2734 | rc = sensor_set_backlight(ov, ov->backlight); | |
2735 | if (FATAL_ERROR(rc)) | |
2736 | return rc; | |
2737 | ||
2738 | rc = sensor_set_mirror(ov, ov->mirror); | |
2739 | if (FATAL_ERROR(rc)) | |
2740 | return rc; | |
2741 | ||
2742 | return 0; | |
2743 | } | |
2744 | ||
2745 | /* This sets the default image parameters. This is useful for apps that use | |
2746 | * read() and do not set these. | |
2747 | */ | |
2748 | static int | |
2749 | ov51x_set_default_params(struct usb_ov511 *ov) | |
2750 | { | |
2751 | int i; | |
2752 | ||
2753 | /* Set default sizes in case IOCTL (VIDIOCMCAPTURE) is not used | |
2754 | * (using read() instead). */ | |
2755 | for (i = 0; i < OV511_NUMFRAMES; i++) { | |
2756 | ov->frame[i].width = ov->maxwidth; | |
2757 | ov->frame[i].height = ov->maxheight; | |
2758 | ov->frame[i].bytes_read = 0; | |
2759 | if (force_palette) | |
2760 | ov->frame[i].format = force_palette; | |
2761 | else | |
2762 | ov->frame[i].format = VIDEO_PALETTE_YUV420; | |
2763 | ||
2764 | ov->frame[i].depth = get_depth(ov->frame[i].format); | |
2765 | } | |
2766 | ||
2767 | PDEBUG(3, "%dx%d, %s", ov->maxwidth, ov->maxheight, | |
2768 | symbolic(v4l1_plist, ov->frame[0].format)); | |
2769 | ||
2770 | /* Initialize to max width/height, YUV420 or RGB24 (if supported) */ | |
2771 | if (mode_init_regs(ov, ov->maxwidth, ov->maxheight, | |
2772 | ov->frame[0].format, 0) < 0) | |
2773 | return -EINVAL; | |
2774 | ||
2775 | return 0; | |
2776 | } | |
2777 | ||
2778 | /********************************************************************** | |
2779 | * | |
2780 | * Video decoder stuff | |
2781 | * | |
2782 | **********************************************************************/ | |
2783 | ||
2784 | /* Set analog input port of decoder */ | |
2785 | static int | |
2786 | decoder_set_input(struct usb_ov511 *ov, int input) | |
2787 | { | |
2788 | PDEBUG(4, "port %d", input); | |
2789 | ||
2790 | switch (ov->sensor) { | |
2791 | case SEN_SAA7111A: | |
2792 | { | |
2793 | /* Select mode */ | |
2794 | i2c_w_mask(ov, 0x02, input, 0x07); | |
2795 | /* Bypass chrominance trap for modes 4..7 */ | |
2796 | i2c_w_mask(ov, 0x09, (input > 3) ? 0x80:0x00, 0x80); | |
2797 | break; | |
2798 | } | |
2799 | default: | |
2800 | return -EINVAL; | |
2801 | } | |
2802 | ||
2803 | return 0; | |
2804 | } | |
2805 | ||
2806 | /* Get ASCII name of video input */ | |
2807 | static int | |
2808 | decoder_get_input_name(struct usb_ov511 *ov, int input, char *name) | |
2809 | { | |
2810 | switch (ov->sensor) { | |
2811 | case SEN_SAA7111A: | |
2812 | { | |
2813 | if (input < 0 || input > 7) | |
2814 | return -EINVAL; | |
2815 | else if (input < 4) | |
2816 | sprintf(name, "CVBS-%d", input); | |
2817 | else // if (input < 8) | |
2818 | sprintf(name, "S-Video-%d", input - 4); | |
2819 | break; | |
2820 | } | |
2821 | default: | |
2822 | sprintf(name, "%s", "Camera"); | |
2823 | } | |
2824 | ||
2825 | return 0; | |
2826 | } | |
2827 | ||
2828 | /* Set norm (NTSC, PAL, SECAM, AUTO) */ | |
2829 | static int | |
2830 | decoder_set_norm(struct usb_ov511 *ov, int norm) | |
2831 | { | |
2832 | PDEBUG(4, "%d", norm); | |
2833 | ||
2834 | switch (ov->sensor) { | |
2835 | case SEN_SAA7111A: | |
2836 | { | |
2837 | int reg_8, reg_e; | |
2838 | ||
2839 | if (norm == VIDEO_MODE_NTSC) { | |
2840 | reg_8 = 0x40; /* 60 Hz */ | |
2841 | reg_e = 0x00; /* NTSC M / PAL BGHI */ | |
2842 | } else if (norm == VIDEO_MODE_PAL) { | |
2843 | reg_8 = 0x00; /* 50 Hz */ | |
2844 | reg_e = 0x00; /* NTSC M / PAL BGHI */ | |
2845 | } else if (norm == VIDEO_MODE_AUTO) { | |
2846 | reg_8 = 0x80; /* Auto field detect */ | |
2847 | reg_e = 0x00; /* NTSC M / PAL BGHI */ | |
2848 | } else if (norm == VIDEO_MODE_SECAM) { | |
2849 | reg_8 = 0x00; /* 50 Hz */ | |
2850 | reg_e = 0x50; /* SECAM / PAL 4.43 */ | |
2851 | } else { | |
2852 | return -EINVAL; | |
2853 | } | |
2854 | ||
2855 | i2c_w_mask(ov, 0x08, reg_8, 0xc0); | |
2856 | i2c_w_mask(ov, 0x0e, reg_e, 0x70); | |
2857 | break; | |
2858 | } | |
2859 | default: | |
2860 | return -EINVAL; | |
2861 | } | |
2862 | ||
2863 | return 0; | |
2864 | } | |
2865 | ||
2866 | /********************************************************************** | |
2867 | * | |
2868 | * Raw data parsing | |
2869 | * | |
2870 | **********************************************************************/ | |
2871 | ||
2872 | /* Copies a 64-byte segment at pIn to an 8x8 block at pOut. The width of the | |
2873 | * image at pOut is specified by w. | |
2874 | */ | |
2875 | static inline void | |
2876 | make_8x8(unsigned char *pIn, unsigned char *pOut, int w) | |
2877 | { | |
2878 | unsigned char *pOut1 = pOut; | |
2879 | int x, y; | |
2880 | ||
2881 | for (y = 0; y < 8; y++) { | |
2882 | pOut1 = pOut; | |
2883 | for (x = 0; x < 8; x++) { | |
2884 | *pOut1++ = *pIn++; | |
2885 | } | |
2886 | pOut += w; | |
2887 | } | |
2888 | } | |
2889 | ||
2890 | /* | |
2891 | * For RAW BW (YUV 4:0:0) images, data show up in 256 byte segments. | |
2892 | * The segments represent 4 squares of 8x8 pixels as follows: | |
2893 | * | |
2894 | * 0 1 ... 7 64 65 ... 71 ... 192 193 ... 199 | |
2895 | * 8 9 ... 15 72 73 ... 79 200 201 ... 207 | |
2896 | * ... ... ... | |
2897 | * 56 57 ... 63 120 121 ... 127 248 249 ... 255 | |
2898 | * | |
d56410e0 | 2899 | */ |
1da177e4 LT |
2900 | static void |
2901 | yuv400raw_to_yuv400p(struct ov511_frame *frame, | |
2902 | unsigned char *pIn0, unsigned char *pOut0) | |
2903 | { | |
2904 | int x, y; | |
2905 | unsigned char *pIn, *pOut, *pOutLine; | |
2906 | ||
2907 | /* Copy Y */ | |
2908 | pIn = pIn0; | |
2909 | pOutLine = pOut0; | |
2910 | for (y = 0; y < frame->rawheight - 1; y += 8) { | |
2911 | pOut = pOutLine; | |
2912 | for (x = 0; x < frame->rawwidth - 1; x += 8) { | |
2913 | make_8x8(pIn, pOut, frame->rawwidth); | |
2914 | pIn += 64; | |
2915 | pOut += 8; | |
2916 | } | |
2917 | pOutLine += 8 * frame->rawwidth; | |
2918 | } | |
2919 | } | |
2920 | ||
2921 | /* | |
2922 | * For YUV 4:2:0 images, the data show up in 384 byte segments. | |
2923 | * The first 64 bytes of each segment are U, the next 64 are V. The U and | |
2924 | * V are arranged as follows: | |
2925 | * | |
2926 | * 0 1 ... 7 | |
2927 | * 8 9 ... 15 | |
d56410e0 | 2928 | * ... |
1da177e4 LT |
2929 | * 56 57 ... 63 |
2930 | * | |
2931 | * U and V are shipped at half resolution (1 U,V sample -> one 2x2 block). | |
2932 | * | |
2933 | * The next 256 bytes are full resolution Y data and represent 4 squares | |
2934 | * of 8x8 pixels as follows: | |
2935 | * | |
2936 | * 0 1 ... 7 64 65 ... 71 ... 192 193 ... 199 | |
2937 | * 8 9 ... 15 72 73 ... 79 200 201 ... 207 | |
2938 | * ... ... ... | |
2939 | * 56 57 ... 63 120 121 ... 127 ... 248 249 ... 255 | |
2940 | * | |
2941 | * Note that the U and V data in one segment represent a 16 x 16 pixel | |
2942 | * area, but the Y data represent a 32 x 8 pixel area. If the width is not an | |
2943 | * even multiple of 32, the extra 8x8 blocks within a 32x8 block belong to the | |
2944 | * next horizontal stripe. | |
2945 | * | |
2946 | * If dumppix module param is set, _parse_data just dumps the incoming segments, | |
2947 | * verbatim, in order, into the frame. When used with vidcat -f ppm -s 640x480 | |
2948 | * this puts the data on the standard output and can be analyzed with the | |
2949 | * parseppm.c utility I wrote. That's a much faster way for figuring out how | |
2950 | * these data are scrambled. | |
2951 | */ | |
2952 | ||
2953 | /* Converts from raw, uncompressed segments at pIn0 to a YUV420P frame at pOut0. | |
2954 | * | |
2955 | * FIXME: Currently only handles width and height that are multiples of 16 | |
2956 | */ | |
2957 | static void | |
2958 | yuv420raw_to_yuv420p(struct ov511_frame *frame, | |
2959 | unsigned char *pIn0, unsigned char *pOut0) | |
2960 | { | |
2961 | int k, x, y; | |
2962 | unsigned char *pIn, *pOut, *pOutLine; | |
2963 | const unsigned int a = frame->rawwidth * frame->rawheight; | |
2964 | const unsigned int w = frame->rawwidth / 2; | |
2965 | ||
2966 | /* Copy U and V */ | |
2967 | pIn = pIn0; | |
2968 | pOutLine = pOut0 + a; | |
2969 | for (y = 0; y < frame->rawheight - 1; y += 16) { | |
2970 | pOut = pOutLine; | |
2971 | for (x = 0; x < frame->rawwidth - 1; x += 16) { | |
2972 | make_8x8(pIn, pOut, w); | |
2973 | make_8x8(pIn + 64, pOut + a/4, w); | |
2974 | pIn += 384; | |
2975 | pOut += 8; | |
2976 | } | |
2977 | pOutLine += 8 * w; | |
2978 | } | |
2979 | ||
2980 | /* Copy Y */ | |
2981 | pIn = pIn0 + 128; | |
2982 | pOutLine = pOut0; | |
2983 | k = 0; | |
2984 | for (y = 0; y < frame->rawheight - 1; y += 8) { | |
2985 | pOut = pOutLine; | |
2986 | for (x = 0; x < frame->rawwidth - 1; x += 8) { | |
2987 | make_8x8(pIn, pOut, frame->rawwidth); | |
2988 | pIn += 64; | |
2989 | pOut += 8; | |
2990 | if ((++k) > 3) { | |
2991 | k = 0; | |
2992 | pIn += 128; | |
2993 | } | |
2994 | } | |
2995 | pOutLine += 8 * frame->rawwidth; | |
2996 | } | |
2997 | } | |
2998 | ||
2999 | /********************************************************************** | |
3000 | * | |
3001 | * Decompression | |
3002 | * | |
3003 | **********************************************************************/ | |
3004 | ||
1da177e4 LT |
3005 | static int |
3006 | request_decompressor(struct usb_ov511 *ov) | |
3007 | { | |
532a3de1 AB |
3008 | if (ov->bclass == BCL_OV511 || ov->bclass == BCL_OV518) { |
3009 | err("No decompressor available"); | |
1da177e4 LT |
3010 | } else { |
3011 | err("Unknown bridge"); | |
3012 | } | |
3013 | ||
1da177e4 LT |
3014 | return -ENOSYS; |
3015 | } | |
3016 | ||
1da177e4 LT |
3017 | static void |
3018 | decompress(struct usb_ov511 *ov, struct ov511_frame *frame, | |
3019 | unsigned char *pIn0, unsigned char *pOut0) | |
3020 | { | |
3021 | if (!ov->decomp_ops) | |
3022 | if (request_decompressor(ov)) | |
3023 | return; | |
3024 | ||
1da177e4 LT |
3025 | } |
3026 | ||
3027 | /********************************************************************** | |
3028 | * | |
3029 | * Format conversion | |
3030 | * | |
3031 | **********************************************************************/ | |
3032 | ||
3033 | /* Fuses even and odd fields together, and doubles width. | |
3034 | * INPUT: an odd field followed by an even field at pIn0, in YUV planar format | |
3035 | * OUTPUT: a normal YUV planar image, with correct aspect ratio | |
3036 | */ | |
3037 | static void | |
3038 | deinterlace(struct ov511_frame *frame, int rawformat, | |
d56410e0 | 3039 | unsigned char *pIn0, unsigned char *pOut0) |
1da177e4 LT |
3040 | { |
3041 | const int fieldheight = frame->rawheight / 2; | |
3042 | const int fieldpix = fieldheight * frame->rawwidth; | |
3043 | const int w = frame->width; | |
3044 | int x, y; | |
3045 | unsigned char *pInEven, *pInOdd, *pOut; | |
3046 | ||
3047 | PDEBUG(5, "fieldheight=%d", fieldheight); | |
3048 | ||
3049 | if (frame->rawheight != frame->height) { | |
3050 | err("invalid height"); | |
3051 | return; | |
3052 | } | |
3053 | ||
3054 | if ((frame->rawwidth * 2) != frame->width) { | |
3055 | err("invalid width"); | |
3056 | return; | |
3057 | } | |
3058 | ||
3059 | /* Y */ | |
3060 | pInOdd = pIn0; | |
3061 | pInEven = pInOdd + fieldpix; | |
3062 | pOut = pOut0; | |
3063 | for (y = 0; y < fieldheight; y++) { | |
3064 | for (x = 0; x < frame->rawwidth; x++) { | |
3065 | *pOut = *pInEven; | |
3066 | *(pOut+1) = *pInEven++; | |
3067 | *(pOut+w) = *pInOdd; | |
3068 | *(pOut+w+1) = *pInOdd++; | |
3069 | pOut += 2; | |
3070 | } | |
3071 | pOut += w; | |
3072 | } | |
3073 | ||
3074 | if (rawformat == RAWFMT_YUV420) { | |
3075 | /* U */ | |
3076 | pInOdd = pIn0 + fieldpix * 2; | |
3077 | pInEven = pInOdd + fieldpix / 4; | |
3078 | for (y = 0; y < fieldheight / 2; y++) { | |
3079 | for (x = 0; x < frame->rawwidth / 2; x++) { | |
3080 | *pOut = *pInEven; | |
3081 | *(pOut+1) = *pInEven++; | |
3082 | *(pOut+w/2) = *pInOdd; | |
3083 | *(pOut+w/2+1) = *pInOdd++; | |
3084 | pOut += 2; | |
3085 | } | |
3086 | pOut += w/2; | |
3087 | } | |
3088 | /* V */ | |
3089 | pInOdd = pIn0 + fieldpix * 2 + fieldpix / 2; | |
3090 | pInEven = pInOdd + fieldpix / 4; | |
3091 | for (y = 0; y < fieldheight / 2; y++) { | |
3092 | for (x = 0; x < frame->rawwidth / 2; x++) { | |
3093 | *pOut = *pInEven; | |
3094 | *(pOut+1) = *pInEven++; | |
3095 | *(pOut+w/2) = *pInOdd; | |
3096 | *(pOut+w/2+1) = *pInOdd++; | |
3097 | pOut += 2; | |
3098 | } | |
3099 | pOut += w/2; | |
3100 | } | |
3101 | } | |
3102 | } | |
3103 | ||
3104 | static void | |
3105 | ov51x_postprocess_grey(struct usb_ov511 *ov, struct ov511_frame *frame) | |
3106 | { | |
3107 | /* Deinterlace frame, if necessary */ | |
3108 | if (ov->sensor == SEN_SAA7111A && frame->rawheight >= 480) { | |
3109 | if (frame->compressed) | |
3110 | decompress(ov, frame, frame->rawdata, | |
3111 | frame->tempdata); | |
3112 | else | |
3113 | yuv400raw_to_yuv400p(frame, frame->rawdata, | |
3114 | frame->tempdata); | |
3115 | ||
3116 | deinterlace(frame, RAWFMT_YUV400, frame->tempdata, | |
d56410e0 | 3117 | frame->data); |
1da177e4 LT |
3118 | } else { |
3119 | if (frame->compressed) | |
3120 | decompress(ov, frame, frame->rawdata, | |
3121 | frame->data); | |
3122 | else | |
3123 | yuv400raw_to_yuv400p(frame, frame->rawdata, | |
3124 | frame->data); | |
3125 | } | |
3126 | } | |
3127 | ||
3128 | /* Process raw YUV420 data into standard YUV420P */ | |
3129 | static void | |
3130 | ov51x_postprocess_yuv420(struct usb_ov511 *ov, struct ov511_frame *frame) | |
3131 | { | |
3132 | /* Deinterlace frame, if necessary */ | |
3133 | if (ov->sensor == SEN_SAA7111A && frame->rawheight >= 480) { | |
3134 | if (frame->compressed) | |
3135 | decompress(ov, frame, frame->rawdata, frame->tempdata); | |
3136 | else | |
3137 | yuv420raw_to_yuv420p(frame, frame->rawdata, | |
3138 | frame->tempdata); | |
3139 | ||
3140 | deinterlace(frame, RAWFMT_YUV420, frame->tempdata, | |
d56410e0 | 3141 | frame->data); |
1da177e4 LT |
3142 | } else { |
3143 | if (frame->compressed) | |
3144 | decompress(ov, frame, frame->rawdata, frame->data); | |
3145 | else | |
3146 | yuv420raw_to_yuv420p(frame, frame->rawdata, | |
3147 | frame->data); | |
3148 | } | |
3149 | } | |
3150 | ||
3151 | /* Post-processes the specified frame. This consists of: | |
3152 | * 1. Decompress frame, if necessary | |
3153 | * 2. Deinterlace frame and scale to proper size, if necessary | |
3154 | * 3. Convert from YUV planar to destination format, if necessary | |
3155 | * 4. Fix the RGB offset, if necessary | |
3156 | */ | |
3157 | static void | |
3158 | ov51x_postprocess(struct usb_ov511 *ov, struct ov511_frame *frame) | |
3159 | { | |
3160 | if (dumppix) { | |
3161 | memset(frame->data, 0, | |
3162 | MAX_DATA_SIZE(ov->maxwidth, ov->maxheight)); | |
3163 | PDEBUG(4, "Dumping %d bytes", frame->bytes_recvd); | |
3164 | memcpy(frame->data, frame->rawdata, frame->bytes_recvd); | |
3165 | } else { | |
3166 | switch (frame->format) { | |
3167 | case VIDEO_PALETTE_GREY: | |
3168 | ov51x_postprocess_grey(ov, frame); | |
3169 | break; | |
3170 | case VIDEO_PALETTE_YUV420: | |
3171 | case VIDEO_PALETTE_YUV420P: | |
3172 | ov51x_postprocess_yuv420(ov, frame); | |
3173 | break; | |
3174 | default: | |
3175 | err("Cannot convert data to %s", | |
3176 | symbolic(v4l1_plist, frame->format)); | |
3177 | } | |
3178 | } | |
3179 | } | |
3180 | ||
3181 | /********************************************************************** | |
3182 | * | |
3183 | * OV51x data transfer, IRQ handler | |
3184 | * | |
3185 | **********************************************************************/ | |
3186 | ||
3187 | static inline void | |
3188 | ov511_move_data(struct usb_ov511 *ov, unsigned char *in, int n) | |
3189 | { | |
3190 | int num, offset; | |
3191 | int pnum = in[ov->packet_size - 1]; /* Get packet number */ | |
3192 | int max_raw = MAX_RAW_DATA_SIZE(ov->maxwidth, ov->maxheight); | |
3193 | struct ov511_frame *frame = &ov->frame[ov->curframe]; | |
3194 | struct timeval *ts; | |
3195 | ||
3196 | /* SOF/EOF packets have 1st to 8th bytes zeroed and the 9th | |
3197 | * byte non-zero. The EOF packet has image width/height in the | |
3198 | * 10th and 11th bytes. The 9th byte is given as follows: | |
3199 | * | |
3200 | * bit 7: EOF | |
3201 | * 6: compression enabled | |
3202 | * 5: 422/420/400 modes | |
3203 | * 4: 422/420/400 modes | |
3204 | * 3: 1 | |
3205 | * 2: snapshot button on | |
3206 | * 1: snapshot frame | |
3207 | * 0: even/odd field | |
3208 | */ | |
3209 | ||
3210 | if (printph) { | |
a482f327 GKH |
3211 | dev_info(&ov->dev->dev, |
3212 | "ph(%3d): %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x\n", | |
3213 | pnum, in[0], in[1], in[2], in[3], in[4], in[5], in[6], | |
3214 | in[7], in[8], in[9], in[10], in[11]); | |
1da177e4 LT |
3215 | } |
3216 | ||
3217 | /* Check for SOF/EOF packet */ | |
3218 | if ((in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) || | |
3219 | (~in[8] & 0x08)) | |
3220 | goto check_middle; | |
3221 | ||
3222 | /* Frame end */ | |
3223 | if (in[8] & 0x80) { | |
3224 | ts = (struct timeval *)(frame->data | |
3225 | + MAX_FRAME_SIZE(ov->maxwidth, ov->maxheight)); | |
3226 | do_gettimeofday(ts); | |
3227 | ||
3228 | /* Get the actual frame size from the EOF header */ | |
3229 | frame->rawwidth = ((int)(in[9]) + 1) * 8; | |
3230 | frame->rawheight = ((int)(in[10]) + 1) * 8; | |
3231 | ||
d56410e0 | 3232 | PDEBUG(4, "Frame end, frame=%d, pnum=%d, w=%d, h=%d, recvd=%d", |
1da177e4 LT |
3233 | ov->curframe, pnum, frame->rawwidth, frame->rawheight, |
3234 | frame->bytes_recvd); | |
3235 | ||
3236 | /* Validate the header data */ | |
3237 | RESTRICT_TO_RANGE(frame->rawwidth, ov->minwidth, ov->maxwidth); | |
3238 | RESTRICT_TO_RANGE(frame->rawheight, ov->minheight, | |
3239 | ov->maxheight); | |
3240 | ||
3241 | /* Don't allow byte count to exceed buffer size */ | |
3242 | RESTRICT_TO_RANGE(frame->bytes_recvd, 8, max_raw); | |
3243 | ||
3244 | if (frame->scanstate == STATE_LINES) { | |
657de3cd | 3245 | int nextf; |
1da177e4 LT |
3246 | |
3247 | frame->grabstate = FRAME_DONE; | |
3248 | wake_up_interruptible(&frame->wq); | |
3249 | ||
3250 | /* If next frame is ready or grabbing, | |
3251 | * point to it */ | |
3252 | nextf = (ov->curframe + 1) % OV511_NUMFRAMES; | |
3253 | if (ov->frame[nextf].grabstate == FRAME_READY | |
3254 | || ov->frame[nextf].grabstate == FRAME_GRABBING) { | |
3255 | ov->curframe = nextf; | |
3256 | ov->frame[nextf].scanstate = STATE_SCANNING; | |
3257 | } else { | |
3258 | if (frame->grabstate == FRAME_DONE) { | |
3259 | PDEBUG(4, "** Frame done **"); | |
3260 | } else { | |
3261 | PDEBUG(4, "Frame not ready? state = %d", | |
3262 | ov->frame[nextf].grabstate); | |
3263 | } | |
3264 | ||
3265 | ov->curframe = -1; | |
3266 | } | |
3267 | } else { | |
3268 | PDEBUG(5, "Frame done, but not scanning"); | |
3269 | } | |
3270 | /* Image corruption caused by misplaced frame->segment = 0 | |
3271 | * fixed by carlosf@conectiva.com.br | |
3272 | */ | |
3273 | } else { | |
3274 | /* Frame start */ | |
3275 | PDEBUG(4, "Frame start, framenum = %d", ov->curframe); | |
3276 | ||
3277 | /* Check to see if it's a snapshot frame */ | |
3278 | /* FIXME?? Should the snapshot reset go here? Performance? */ | |
3279 | if (in[8] & 0x02) { | |
3280 | frame->snapshot = 1; | |
3281 | PDEBUG(3, "snapshot detected"); | |
3282 | } | |
3283 | ||
3284 | frame->scanstate = STATE_LINES; | |
3285 | frame->bytes_recvd = 0; | |
3286 | frame->compressed = in[8] & 0x40; | |
3287 | } | |
3288 | ||
3289 | check_middle: | |
3290 | /* Are we in a frame? */ | |
3291 | if (frame->scanstate != STATE_LINES) { | |
3292 | PDEBUG(5, "Not in a frame; packet skipped"); | |
3293 | return; | |
3294 | } | |
3295 | ||
3296 | /* If frame start, skip header */ | |
3297 | if (frame->bytes_recvd == 0) | |
3298 | offset = 9; | |
3299 | else | |
3300 | offset = 0; | |
3301 | ||
3302 | num = n - offset - 1; | |
3303 | ||
3304 | /* Dump all data exactly as received */ | |
3305 | if (dumppix == 2) { | |
3306 | frame->bytes_recvd += n - 1; | |
3307 | if (frame->bytes_recvd <= max_raw) | |
3308 | memcpy(frame->rawdata + frame->bytes_recvd - (n - 1), | |
3309 | in, n - 1); | |
3310 | else | |
3311 | PDEBUG(3, "Raw data buffer overrun!! (%d)", | |
3312 | frame->bytes_recvd - max_raw); | |
3313 | } else if (!frame->compressed && !remove_zeros) { | |
3314 | frame->bytes_recvd += num; | |
3315 | if (frame->bytes_recvd <= max_raw) | |
3316 | memcpy(frame->rawdata + frame->bytes_recvd - num, | |
3317 | in + offset, num); | |
3318 | else | |
3319 | PDEBUG(3, "Raw data buffer overrun!! (%d)", | |
3320 | frame->bytes_recvd - max_raw); | |
3321 | } else { /* Remove all-zero FIFO lines (aligned 32-byte blocks) */ | |
3322 | int b, read = 0, allzero, copied = 0; | |
3323 | if (offset) { | |
3324 | frame->bytes_recvd += 32 - offset; // Bytes out | |
3325 | memcpy(frame->rawdata, in + offset, 32 - offset); | |
3326 | read += 32; | |
3327 | } | |
3328 | ||
3329 | while (read < n - 1) { | |
3330 | allzero = 1; | |
3331 | for (b = 0; b < 32; b++) { | |
3332 | if (in[read + b]) { | |
3333 | allzero = 0; | |
3334 | break; | |
3335 | } | |
3336 | } | |
3337 | ||
3338 | if (allzero) { | |
3339 | /* Don't copy it */ | |
3340 | } else { | |
3341 | if (frame->bytes_recvd + copied + 32 <= max_raw) | |
3342 | { | |
3343 | memcpy(frame->rawdata | |
3344 | + frame->bytes_recvd + copied, | |
3345 | in + read, 32); | |
3346 | copied += 32; | |
3347 | } else { | |
3348 | PDEBUG(3, "Raw data buffer overrun!!"); | |
3349 | } | |
3350 | } | |
3351 | read += 32; | |
3352 | } | |
3353 | ||
3354 | frame->bytes_recvd += copied; | |
3355 | } | |
3356 | } | |
3357 | ||
3358 | static inline void | |
3359 | ov518_move_data(struct usb_ov511 *ov, unsigned char *in, int n) | |
3360 | { | |
3361 | int max_raw = MAX_RAW_DATA_SIZE(ov->maxwidth, ov->maxheight); | |
3362 | struct ov511_frame *frame = &ov->frame[ov->curframe]; | |
3363 | struct timeval *ts; | |
3364 | ||
3365 | /* Don't copy the packet number byte */ | |
3366 | if (ov->packet_numbering) | |
3367 | --n; | |
3368 | ||
3369 | /* A false positive here is likely, until OVT gives me | |
3370 | * the definitive SOF/EOF format */ | |
3371 | if ((!(in[0] | in[1] | in[2] | in[3] | in[5])) && in[6]) { | |
3372 | if (printph) { | |
a482f327 GKH |
3373 | dev_info(&ov->dev->dev, |
3374 | "ph: %2x %2x %2x %2x %2x %2x %2x %2x\n", | |
3375 | in[0], in[1], in[2], in[3], in[4], in[5], | |
3376 | in[6], in[7]); | |
1da177e4 LT |
3377 | } |
3378 | ||
3379 | if (frame->scanstate == STATE_LINES) { | |
3380 | PDEBUG(4, "Detected frame end/start"); | |
3381 | goto eof; | |
3382 | } else { //scanstate == STATE_SCANNING | |
3383 | /* Frame start */ | |
3384 | PDEBUG(4, "Frame start, framenum = %d", ov->curframe); | |
3385 | goto sof; | |
3386 | } | |
3387 | } else { | |
3388 | goto check_middle; | |
3389 | } | |
3390 | ||
3391 | eof: | |
3392 | ts = (struct timeval *)(frame->data | |
3393 | + MAX_FRAME_SIZE(ov->maxwidth, ov->maxheight)); | |
3394 | do_gettimeofday(ts); | |
3395 | ||
3396 | PDEBUG(4, "Frame end, curframe = %d, hw=%d, vw=%d, recvd=%d", | |
3397 | ov->curframe, | |
3398 | (int)(in[9]), (int)(in[10]), frame->bytes_recvd); | |
3399 | ||
3400 | // FIXME: Since we don't know the header formats yet, | |
3401 | // there is no way to know what the actual image size is | |
3402 | frame->rawwidth = frame->width; | |
3403 | frame->rawheight = frame->height; | |
3404 | ||
3405 | /* Validate the header data */ | |
3406 | RESTRICT_TO_RANGE(frame->rawwidth, ov->minwidth, ov->maxwidth); | |
3407 | RESTRICT_TO_RANGE(frame->rawheight, ov->minheight, ov->maxheight); | |
3408 | ||
3409 | /* Don't allow byte count to exceed buffer size */ | |
3410 | RESTRICT_TO_RANGE(frame->bytes_recvd, 8, max_raw); | |
3411 | ||
3412 | if (frame->scanstate == STATE_LINES) { | |
657de3cd | 3413 | int nextf; |
1da177e4 LT |
3414 | |
3415 | frame->grabstate = FRAME_DONE; | |
3416 | wake_up_interruptible(&frame->wq); | |
3417 | ||
3418 | /* If next frame is ready or grabbing, | |
3419 | * point to it */ | |
3420 | nextf = (ov->curframe + 1) % OV511_NUMFRAMES; | |
3421 | if (ov->frame[nextf].grabstate == FRAME_READY | |
3422 | || ov->frame[nextf].grabstate == FRAME_GRABBING) { | |
3423 | ov->curframe = nextf; | |
3424 | ov->frame[nextf].scanstate = STATE_SCANNING; | |
3425 | frame = &ov->frame[nextf]; | |
3426 | } else { | |
3427 | if (frame->grabstate == FRAME_DONE) { | |
3428 | PDEBUG(4, "** Frame done **"); | |
3429 | } else { | |
3430 | PDEBUG(4, "Frame not ready? state = %d", | |
3431 | ov->frame[nextf].grabstate); | |
3432 | } | |
3433 | ||
3434 | ov->curframe = -1; | |
3435 | PDEBUG(4, "SOF dropped (no active frame)"); | |
3436 | return; /* Nowhere to store this frame */ | |
3437 | } | |
3438 | } | |
3439 | sof: | |
3440 | PDEBUG(4, "Starting capture on frame %d", frame->framenum); | |
3441 | ||
3442 | // Snapshot not reverse-engineered yet. | |
3443 | #if 0 | |
3444 | /* Check to see if it's a snapshot frame */ | |
3445 | /* FIXME?? Should the snapshot reset go here? Performance? */ | |
3446 | if (in[8] & 0x02) { | |
3447 | frame->snapshot = 1; | |
3448 | PDEBUG(3, "snapshot detected"); | |
3449 | } | |
3450 | #endif | |
3451 | frame->scanstate = STATE_LINES; | |
3452 | frame->bytes_recvd = 0; | |
3453 | frame->compressed = 1; | |
3454 | ||
3455 | check_middle: | |
3456 | /* Are we in a frame? */ | |
3457 | if (frame->scanstate != STATE_LINES) { | |
3458 | PDEBUG(4, "scanstate: no SOF yet"); | |
3459 | return; | |
3460 | } | |
3461 | ||
3462 | /* Dump all data exactly as received */ | |
3463 | if (dumppix == 2) { | |
3464 | frame->bytes_recvd += n; | |
3465 | if (frame->bytes_recvd <= max_raw) | |
3466 | memcpy(frame->rawdata + frame->bytes_recvd - n, in, n); | |
3467 | else | |
3468 | PDEBUG(3, "Raw data buffer overrun!! (%d)", | |
3469 | frame->bytes_recvd - max_raw); | |
3470 | } else { | |
3471 | /* All incoming data are divided into 8-byte segments. If the | |
3472 | * segment contains all zero bytes, it must be skipped. These | |
3473 | * zero-segments allow the OV518 to mainain a constant data rate | |
3474 | * regardless of the effectiveness of the compression. Segments | |
3475 | * are aligned relative to the beginning of each isochronous | |
3476 | * packet. The first segment in each image is a header (the | |
3477 | * decompressor skips it later). | |
3478 | */ | |
3479 | ||
3480 | int b, read = 0, allzero, copied = 0; | |
3481 | ||
3482 | while (read < n) { | |
3483 | allzero = 1; | |
3484 | for (b = 0; b < 8; b++) { | |
3485 | if (in[read + b]) { | |
3486 | allzero = 0; | |
3487 | break; | |
3488 | } | |
3489 | } | |
3490 | ||
3491 | if (allzero) { | |
3492 | /* Don't copy it */ | |
3493 | } else { | |
3494 | if (frame->bytes_recvd + copied + 8 <= max_raw) | |
3495 | { | |
3496 | memcpy(frame->rawdata | |
3497 | + frame->bytes_recvd + copied, | |
3498 | in + read, 8); | |
3499 | copied += 8; | |
3500 | } else { | |
3501 | PDEBUG(3, "Raw data buffer overrun!!"); | |
3502 | } | |
3503 | } | |
3504 | read += 8; | |
3505 | } | |
3506 | frame->bytes_recvd += copied; | |
3507 | } | |
3508 | } | |
3509 | ||
3510 | static void | |
7d12e780 | 3511 | ov51x_isoc_irq(struct urb *urb) |
1da177e4 LT |
3512 | { |
3513 | int i; | |
3514 | struct usb_ov511 *ov; | |
3515 | struct ov511_sbuf *sbuf; | |
3516 | ||
3517 | if (!urb->context) { | |
3518 | PDEBUG(4, "no context"); | |
3519 | return; | |
3520 | } | |
3521 | ||
3522 | sbuf = urb->context; | |
3523 | ov = sbuf->ov; | |
3524 | ||
3525 | if (!ov || !ov->dev || !ov->user) { | |
3526 | PDEBUG(4, "no device, or not open"); | |
3527 | return; | |
3528 | } | |
3529 | ||
3530 | if (!ov->streaming) { | |
3531 | PDEBUG(4, "hmmm... not streaming, but got interrupt"); | |
3532 | return; | |
3533 | } | |
3534 | ||
d56410e0 MCC |
3535 | if (urb->status == -ENOENT || urb->status == -ECONNRESET) { |
3536 | PDEBUG(4, "URB unlinked"); | |
3537 | return; | |
3538 | } | |
1da177e4 LT |
3539 | |
3540 | if (urb->status != -EINPROGRESS && urb->status != 0) { | |
3541 | err("ERROR: urb->status=%d: %s", urb->status, | |
3542 | symbolic(urb_errlist, urb->status)); | |
3543 | } | |
3544 | ||
3545 | /* Copy the data received into our frame buffer */ | |
3546 | PDEBUG(5, "sbuf[%d]: Moving %d packets", sbuf->n, | |
3547 | urb->number_of_packets); | |
3548 | for (i = 0; i < urb->number_of_packets; i++) { | |
3549 | /* Warning: Don't call *_move_data() if no frame active! */ | |
3550 | if (ov->curframe >= 0) { | |
3551 | int n = urb->iso_frame_desc[i].actual_length; | |
3552 | int st = urb->iso_frame_desc[i].status; | |
3553 | unsigned char *cdata; | |
3554 | ||
3555 | urb->iso_frame_desc[i].actual_length = 0; | |
3556 | urb->iso_frame_desc[i].status = 0; | |
3557 | ||
3558 | cdata = urb->transfer_buffer | |
3559 | + urb->iso_frame_desc[i].offset; | |
3560 | ||
3561 | if (!n) { | |
3562 | PDEBUG(4, "Zero-length packet"); | |
3563 | continue; | |
3564 | } | |
3565 | ||
3566 | if (st) | |
3567 | PDEBUG(2, "data error: [%d] len=%d, status=%d", | |
3568 | i, n, st); | |
3569 | ||
3570 | if (ov->bclass == BCL_OV511) | |
3571 | ov511_move_data(ov, cdata, n); | |
3572 | else if (ov->bclass == BCL_OV518) | |
3573 | ov518_move_data(ov, cdata, n); | |
3574 | else | |
3575 | err("Unknown bridge device (%d)", ov->bridge); | |
3576 | ||
3577 | } else if (waitqueue_active(&ov->wq)) { | |
3578 | wake_up_interruptible(&ov->wq); | |
3579 | } | |
3580 | } | |
3581 | ||
3582 | /* Resubmit this URB */ | |
3583 | urb->dev = ov->dev; | |
3584 | if ((i = usb_submit_urb(urb, GFP_ATOMIC)) != 0) | |
3585 | err("usb_submit_urb() ret %d", i); | |
3586 | ||
3587 | return; | |
3588 | } | |
3589 | ||
3590 | /**************************************************************************** | |
3591 | * | |
3592 | * Stream initialization and termination | |
3593 | * | |
3594 | ***************************************************************************/ | |
3595 | ||
3596 | static int | |
3597 | ov51x_init_isoc(struct usb_ov511 *ov) | |
3598 | { | |
3599 | struct urb *urb; | |
dc2b80c1 | 3600 | int fx, err, n, i, size; |
1da177e4 LT |
3601 | |
3602 | PDEBUG(3, "*** Initializing capture ***"); | |
3603 | ||
3604 | ov->curframe = -1; | |
3605 | ||
3606 | if (ov->bridge == BRG_OV511) { | |
3607 | if (cams == 1) | |
3608 | size = 993; | |
3609 | else if (cams == 2) | |
3610 | size = 513; | |
3611 | else if (cams == 3 || cams == 4) | |
3612 | size = 257; | |
3613 | else { | |
3614 | err("\"cams\" parameter too high!"); | |
3615 | return -1; | |
3616 | } | |
3617 | } else if (ov->bridge == BRG_OV511PLUS) { | |
3618 | if (cams == 1) | |
3619 | size = 961; | |
3620 | else if (cams == 2) | |
3621 | size = 513; | |
3622 | else if (cams == 3 || cams == 4) | |
3623 | size = 257; | |
3624 | else if (cams >= 5 && cams <= 8) | |
3625 | size = 129; | |
3626 | else if (cams >= 9 && cams <= 31) | |
3627 | size = 33; | |
3628 | else { | |
3629 | err("\"cams\" parameter too high!"); | |
3630 | return -1; | |
3631 | } | |
3632 | } else if (ov->bclass == BCL_OV518) { | |
3633 | if (cams == 1) | |
3634 | size = 896; | |
3635 | else if (cams == 2) | |
3636 | size = 512; | |
3637 | else if (cams == 3 || cams == 4) | |
3638 | size = 256; | |
3639 | else if (cams >= 5 && cams <= 8) | |
3640 | size = 128; | |
3641 | else { | |
3642 | err("\"cams\" parameter too high!"); | |
3643 | return -1; | |
3644 | } | |
3645 | } else { | |
3646 | err("invalid bridge type"); | |
3647 | return -1; | |
3648 | } | |
3649 | ||
3650 | // FIXME: OV518 is hardcoded to 15 FPS (alternate 5) for now | |
3651 | if (ov->bclass == BCL_OV518) { | |
3652 | if (packetsize == -1) { | |
3653 | ov518_set_packet_size(ov, 640); | |
3654 | } else { | |
a482f327 GKH |
3655 | dev_info(&ov->dev->dev, "Forcing packet size to %d\n", |
3656 | packetsize); | |
1da177e4 LT |
3657 | ov518_set_packet_size(ov, packetsize); |
3658 | } | |
3659 | } else { | |
3660 | if (packetsize == -1) { | |
3661 | ov511_set_packet_size(ov, size); | |
3662 | } else { | |
a482f327 GKH |
3663 | dev_info(&ov->dev->dev, "Forcing packet size to %d\n", |
3664 | packetsize); | |
1da177e4 LT |
3665 | ov511_set_packet_size(ov, packetsize); |
3666 | } | |
3667 | } | |
3668 | ||
3669 | for (n = 0; n < OV511_NUMSBUF; n++) { | |
3670 | urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); | |
3671 | if (!urb) { | |
3672 | err("init isoc: usb_alloc_urb ret. NULL"); | |
dc2b80c1 DSL |
3673 | for (i = 0; i < n; i++) |
3674 | usb_free_urb(ov->sbuf[i].urb); | |
1da177e4 LT |
3675 | return -ENOMEM; |
3676 | } | |
3677 | ov->sbuf[n].urb = urb; | |
3678 | urb->dev = ov->dev; | |
3679 | urb->context = &ov->sbuf[n]; | |
3680 | urb->pipe = usb_rcvisocpipe(ov->dev, OV511_ENDPOINT_ADDRESS); | |
3681 | urb->transfer_flags = URB_ISO_ASAP; | |
3682 | urb->transfer_buffer = ov->sbuf[n].data; | |
3683 | urb->complete = ov51x_isoc_irq; | |
3684 | urb->number_of_packets = FRAMES_PER_DESC; | |
3685 | urb->transfer_buffer_length = ov->packet_size * FRAMES_PER_DESC; | |
3686 | urb->interval = 1; | |
3687 | for (fx = 0; fx < FRAMES_PER_DESC; fx++) { | |
3688 | urb->iso_frame_desc[fx].offset = ov->packet_size * fx; | |
3689 | urb->iso_frame_desc[fx].length = ov->packet_size; | |
3690 | } | |
3691 | } | |
3692 | ||
3693 | ov->streaming = 1; | |
3694 | ||
3695 | for (n = 0; n < OV511_NUMSBUF; n++) { | |
3696 | ov->sbuf[n].urb->dev = ov->dev; | |
3697 | err = usb_submit_urb(ov->sbuf[n].urb, GFP_KERNEL); | |
3698 | if (err) { | |
3699 | err("init isoc: usb_submit_urb(%d) ret %d", n, err); | |
3700 | return err; | |
3701 | } | |
3702 | } | |
3703 | ||
3704 | return 0; | |
3705 | } | |
3706 | ||
3707 | static void | |
3708 | ov51x_unlink_isoc(struct usb_ov511 *ov) | |
3709 | { | |
3710 | int n; | |
3711 | ||
3712 | /* Unschedule all of the iso td's */ | |
3713 | for (n = OV511_NUMSBUF - 1; n >= 0; n--) { | |
3714 | if (ov->sbuf[n].urb) { | |
3715 | usb_kill_urb(ov->sbuf[n].urb); | |
3716 | usb_free_urb(ov->sbuf[n].urb); | |
3717 | ov->sbuf[n].urb = NULL; | |
3718 | } | |
3719 | } | |
3720 | } | |
3721 | ||
3722 | static void | |
3723 | ov51x_stop_isoc(struct usb_ov511 *ov) | |
3724 | { | |
3725 | if (!ov->streaming || !ov->dev) | |
3726 | return; | |
3727 | ||
3728 | PDEBUG(3, "*** Stopping capture ***"); | |
3729 | ||
3730 | if (ov->bclass == BCL_OV518) | |
3731 | ov518_set_packet_size(ov, 0); | |
3732 | else | |
3733 | ov511_set_packet_size(ov, 0); | |
3734 | ||
3735 | ov->streaming = 0; | |
3736 | ||
3737 | ov51x_unlink_isoc(ov); | |
3738 | } | |
3739 | ||
3740 | static int | |
3741 | ov51x_new_frame(struct usb_ov511 *ov, int framenum) | |
3742 | { | |
3743 | struct ov511_frame *frame; | |
3744 | int newnum; | |
3745 | ||
3746 | PDEBUG(4, "ov->curframe = %d, framenum = %d", ov->curframe, framenum); | |
3747 | ||
3748 | if (!ov->dev) | |
3749 | return -1; | |
3750 | ||
3751 | /* If we're not grabbing a frame right now and the other frame is */ | |
3752 | /* ready to be grabbed into, then use it instead */ | |
3753 | if (ov->curframe == -1) { | |
3754 | newnum = (framenum - 1 + OV511_NUMFRAMES) % OV511_NUMFRAMES; | |
3755 | if (ov->frame[newnum].grabstate == FRAME_READY) | |
3756 | framenum = newnum; | |
3757 | } else | |
3758 | return 0; | |
3759 | ||
3760 | frame = &ov->frame[framenum]; | |
3761 | ||
3762 | PDEBUG(4, "framenum = %d, width = %d, height = %d", framenum, | |
3763 | frame->width, frame->height); | |
3764 | ||
3765 | frame->grabstate = FRAME_GRABBING; | |
3766 | frame->scanstate = STATE_SCANNING; | |
3767 | frame->snapshot = 0; | |
3768 | ||
3769 | ov->curframe = framenum; | |
3770 | ||
3771 | /* Make sure it's not too big */ | |
3772 | if (frame->width > ov->maxwidth) | |
3773 | frame->width = ov->maxwidth; | |
3774 | ||
3775 | frame->width &= ~7L; /* Multiple of 8 */ | |
3776 | ||
3777 | if (frame->height > ov->maxheight) | |
3778 | frame->height = ov->maxheight; | |
3779 | ||
3780 | frame->height &= ~3L; /* Multiple of 4 */ | |
3781 | ||
3782 | return 0; | |
3783 | } | |
3784 | ||
3785 | /**************************************************************************** | |
3786 | * | |
3787 | * Buffer management | |
3788 | * | |
3789 | ***************************************************************************/ | |
3790 | ||
3791 | /* | |
3792 | * - You must acquire buf_lock before entering this function. | |
3793 | * - Because this code will free any non-null pointer, you must be sure to null | |
3794 | * them if you explicitly free them somewhere else! | |
3795 | */ | |
3796 | static void | |
3797 | ov51x_do_dealloc(struct usb_ov511 *ov) | |
3798 | { | |
3799 | int i; | |
3800 | PDEBUG(4, "entered"); | |
3801 | ||
3802 | if (ov->fbuf) { | |
3803 | rvfree(ov->fbuf, OV511_NUMFRAMES | |
3804 | * MAX_DATA_SIZE(ov->maxwidth, ov->maxheight)); | |
3805 | ov->fbuf = NULL; | |
3806 | } | |
3807 | ||
3808 | vfree(ov->rawfbuf); | |
3809 | ov->rawfbuf = NULL; | |
3810 | ||
3811 | vfree(ov->tempfbuf); | |
3812 | ov->tempfbuf = NULL; | |
3813 | ||
3814 | for (i = 0; i < OV511_NUMSBUF; i++) { | |
1bc3c9e1 JJ |
3815 | kfree(ov->sbuf[i].data); |
3816 | ov->sbuf[i].data = NULL; | |
1da177e4 LT |
3817 | } |
3818 | ||
3819 | for (i = 0; i < OV511_NUMFRAMES; i++) { | |
3820 | ov->frame[i].data = NULL; | |
3821 | ov->frame[i].rawdata = NULL; | |
3822 | ov->frame[i].tempdata = NULL; | |
3823 | if (ov->frame[i].compbuf) { | |
3824 | free_page((unsigned long) ov->frame[i].compbuf); | |
3825 | ov->frame[i].compbuf = NULL; | |
3826 | } | |
3827 | } | |
3828 | ||
3829 | PDEBUG(4, "buffer memory deallocated"); | |
3830 | ov->buf_state = BUF_NOT_ALLOCATED; | |
3831 | PDEBUG(4, "leaving"); | |
3832 | } | |
3833 | ||
3834 | static int | |
3835 | ov51x_alloc(struct usb_ov511 *ov) | |
3836 | { | |
3837 | int i; | |
3838 | const int w = ov->maxwidth; | |
3839 | const int h = ov->maxheight; | |
3840 | const int data_bufsize = OV511_NUMFRAMES * MAX_DATA_SIZE(w, h); | |
3841 | const int raw_bufsize = OV511_NUMFRAMES * MAX_RAW_DATA_SIZE(w, h); | |
3842 | ||
3843 | PDEBUG(4, "entered"); | |
4186ecf8 | 3844 | mutex_lock(&ov->buf_lock); |
1da177e4 LT |
3845 | |
3846 | if (ov->buf_state == BUF_ALLOCATED) | |
3847 | goto out; | |
3848 | ||
3849 | ov->fbuf = rvmalloc(data_bufsize); | |
3850 | if (!ov->fbuf) | |
3851 | goto error; | |
3852 | ||
3853 | ov->rawfbuf = vmalloc(raw_bufsize); | |
3854 | if (!ov->rawfbuf) | |
3855 | goto error; | |
3856 | ||
3857 | memset(ov->rawfbuf, 0, raw_bufsize); | |
3858 | ||
3859 | ov->tempfbuf = vmalloc(raw_bufsize); | |
3860 | if (!ov->tempfbuf) | |
3861 | goto error; | |
3862 | ||
3863 | memset(ov->tempfbuf, 0, raw_bufsize); | |
3864 | ||
3865 | for (i = 0; i < OV511_NUMSBUF; i++) { | |
3866 | ov->sbuf[i].data = kmalloc(FRAMES_PER_DESC * | |
3867 | MAX_FRAME_SIZE_PER_DESC, GFP_KERNEL); | |
3868 | if (!ov->sbuf[i].data) | |
3869 | goto error; | |
3870 | ||
3871 | PDEBUG(4, "sbuf[%d] @ %p", i, ov->sbuf[i].data); | |
3872 | } | |
3873 | ||
3874 | for (i = 0; i < OV511_NUMFRAMES; i++) { | |
3875 | ov->frame[i].data = ov->fbuf + i * MAX_DATA_SIZE(w, h); | |
3876 | ov->frame[i].rawdata = ov->rawfbuf | |
3877 | + i * MAX_RAW_DATA_SIZE(w, h); | |
3878 | ov->frame[i].tempdata = ov->tempfbuf | |
3879 | + i * MAX_RAW_DATA_SIZE(w, h); | |
3880 | ||
3881 | ov->frame[i].compbuf = | |
3882 | (unsigned char *) __get_free_page(GFP_KERNEL); | |
3883 | if (!ov->frame[i].compbuf) | |
3884 | goto error; | |
3885 | ||
3886 | PDEBUG(4, "frame[%d] @ %p", i, ov->frame[i].data); | |
3887 | } | |
3888 | ||
3889 | ov->buf_state = BUF_ALLOCATED; | |
3890 | out: | |
4186ecf8 | 3891 | mutex_unlock(&ov->buf_lock); |
1da177e4 LT |
3892 | PDEBUG(4, "leaving"); |
3893 | return 0; | |
3894 | error: | |
3895 | ov51x_do_dealloc(ov); | |
4186ecf8 | 3896 | mutex_unlock(&ov->buf_lock); |
1da177e4 LT |
3897 | PDEBUG(4, "errored"); |
3898 | return -ENOMEM; | |
3899 | } | |
3900 | ||
3901 | static void | |
3902 | ov51x_dealloc(struct usb_ov511 *ov) | |
3903 | { | |
3904 | PDEBUG(4, "entered"); | |
4186ecf8 | 3905 | mutex_lock(&ov->buf_lock); |
1da177e4 | 3906 | ov51x_do_dealloc(ov); |
4186ecf8 | 3907 | mutex_unlock(&ov->buf_lock); |
1da177e4 LT |
3908 | PDEBUG(4, "leaving"); |
3909 | } | |
3910 | ||
3911 | /**************************************************************************** | |
3912 | * | |
3913 | * V4L 1 API | |
3914 | * | |
3915 | ***************************************************************************/ | |
3916 | ||
3917 | static int | |
bec43661 | 3918 | ov51x_v4l1_open(struct file *file) |
1da177e4 LT |
3919 | { |
3920 | struct video_device *vdev = video_devdata(file); | |
3921 | struct usb_ov511 *ov = video_get_drvdata(vdev); | |
3922 | int err, i; | |
3923 | ||
3924 | PDEBUG(4, "opening"); | |
3925 | ||
4186ecf8 | 3926 | mutex_lock(&ov->lock); |
1da177e4 LT |
3927 | |
3928 | err = -EBUSY; | |
3929 | if (ov->user) | |
3930 | goto out; | |
3931 | ||
3932 | ov->sub_flag = 0; | |
3933 | ||
3934 | /* In case app doesn't set them... */ | |
3935 | err = ov51x_set_default_params(ov); | |
3936 | if (err < 0) | |
3937 | goto out; | |
3938 | ||
3939 | /* Make sure frames are reset */ | |
3940 | for (i = 0; i < OV511_NUMFRAMES; i++) { | |
3941 | ov->frame[i].grabstate = FRAME_UNUSED; | |
3942 | ov->frame[i].bytes_read = 0; | |
3943 | } | |
3944 | ||
3945 | /* If compression is on, make sure now that a | |
3946 | * decompressor can be loaded */ | |
3947 | if (ov->compress && !ov->decomp_ops) { | |
3948 | err = request_decompressor(ov); | |
3949 | if (err && !dumppix) | |
3950 | goto out; | |
3951 | } | |
3952 | ||
3953 | err = ov51x_alloc(ov); | |
3954 | if (err < 0) | |
3955 | goto out; | |
3956 | ||
3957 | err = ov51x_init_isoc(ov); | |
3958 | if (err) { | |
3959 | ov51x_dealloc(ov); | |
3960 | goto out; | |
3961 | } | |
3962 | ||
3963 | ov->user++; | |
3964 | file->private_data = vdev; | |
3965 | ||
3966 | if (ov->led_policy == LED_AUTO) | |
3967 | ov51x_led_control(ov, 1); | |
3968 | ||
3969 | out: | |
4186ecf8 | 3970 | mutex_unlock(&ov->lock); |
1da177e4 LT |
3971 | return err; |
3972 | } | |
3973 | ||
3974 | static int | |
bec43661 | 3975 | ov51x_v4l1_close(struct file *file) |
1da177e4 LT |
3976 | { |
3977 | struct video_device *vdev = file->private_data; | |
3978 | struct usb_ov511 *ov = video_get_drvdata(vdev); | |
3979 | ||
3980 | PDEBUG(4, "ov511_close"); | |
3981 | ||
4186ecf8 | 3982 | mutex_lock(&ov->lock); |
1da177e4 LT |
3983 | |
3984 | ov->user--; | |
3985 | ov51x_stop_isoc(ov); | |
3986 | ||
1da177e4 LT |
3987 | if (ov->led_policy == LED_AUTO) |
3988 | ov51x_led_control(ov, 0); | |
3989 | ||
3990 | if (ov->dev) | |
3991 | ov51x_dealloc(ov); | |
3992 | ||
4186ecf8 | 3993 | mutex_unlock(&ov->lock); |
1da177e4 LT |
3994 | |
3995 | /* Device unplugged while open. Only a minimum of unregistration is done | |
3996 | * here; the disconnect callback already did the rest. */ | |
3997 | if (!ov->dev) { | |
4186ecf8 | 3998 | mutex_lock(&ov->cbuf_lock); |
1da177e4 LT |
3999 | kfree(ov->cbuf); |
4000 | ov->cbuf = NULL; | |
4186ecf8 | 4001 | mutex_unlock(&ov->cbuf_lock); |
1da177e4 LT |
4002 | |
4003 | ov51x_dealloc(ov); | |
4004 | kfree(ov); | |
4005 | ov = NULL; | |
4006 | } | |
4007 | ||
4008 | file->private_data = NULL; | |
4009 | return 0; | |
4010 | } | |
4011 | ||
4012 | /* Do not call this function directly! */ | |
4013 | static int | |
f473bf76 | 4014 | ov51x_v4l1_ioctl_internal(struct file *file, unsigned int cmd, void *arg) |
1da177e4 LT |
4015 | { |
4016 | struct video_device *vdev = file->private_data; | |
4017 | struct usb_ov511 *ov = video_get_drvdata(vdev); | |
4018 | PDEBUG(5, "IOCtl: 0x%X", cmd); | |
4019 | ||
4020 | if (!ov->dev) | |
4021 | return -EIO; | |
4022 | ||
4023 | switch (cmd) { | |
4024 | case VIDIOCGCAP: | |
4025 | { | |
4026 | struct video_capability *b = arg; | |
4027 | ||
4028 | PDEBUG(4, "VIDIOCGCAP"); | |
4029 | ||
4030 | memset(b, 0, sizeof(struct video_capability)); | |
4031 | sprintf(b->name, "%s USB Camera", | |
4032 | symbolic(brglist, ov->bridge)); | |
4033 | b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE; | |
4034 | b->channels = ov->num_inputs; | |
4035 | b->audios = 0; | |
4036 | b->maxwidth = ov->maxwidth; | |
4037 | b->maxheight = ov->maxheight; | |
4038 | b->minwidth = ov->minwidth; | |
4039 | b->minheight = ov->minheight; | |
4040 | ||
4041 | return 0; | |
4042 | } | |
4043 | case VIDIOCGCHAN: | |
4044 | { | |
4045 | struct video_channel *v = arg; | |
4046 | ||
4047 | PDEBUG(4, "VIDIOCGCHAN"); | |
4048 | ||
4049 | if ((unsigned)(v->channel) >= ov->num_inputs) { | |
4050 | err("Invalid channel (%d)", v->channel); | |
4051 | return -EINVAL; | |
4052 | } | |
4053 | ||
4054 | v->norm = ov->norm; | |
4055 | v->type = VIDEO_TYPE_CAMERA; | |
4056 | v->flags = 0; | |
4057 | // v->flags |= (ov->has_decoder) ? VIDEO_VC_NORM : 0; | |
4058 | v->tuners = 0; | |
4059 | decoder_get_input_name(ov, v->channel, v->name); | |
4060 | ||
4061 | return 0; | |
4062 | } | |
4063 | case VIDIOCSCHAN: | |
4064 | { | |
4065 | struct video_channel *v = arg; | |
4066 | int err; | |
4067 | ||
4068 | PDEBUG(4, "VIDIOCSCHAN"); | |
4069 | ||
4070 | /* Make sure it's not a camera */ | |
4071 | if (!ov->has_decoder) { | |
4072 | if (v->channel == 0) | |
4073 | return 0; | |
4074 | else | |
4075 | return -EINVAL; | |
4076 | } | |
4077 | ||
4078 | if (v->norm != VIDEO_MODE_PAL && | |
4079 | v->norm != VIDEO_MODE_NTSC && | |
4080 | v->norm != VIDEO_MODE_SECAM && | |
4081 | v->norm != VIDEO_MODE_AUTO) { | |
4082 | err("Invalid norm (%d)", v->norm); | |
4083 | return -EINVAL; | |
4084 | } | |
4085 | ||
4086 | if ((unsigned)(v->channel) >= ov->num_inputs) { | |
4087 | err("Invalid channel (%d)", v->channel); | |
4088 | return -EINVAL; | |
4089 | } | |
4090 | ||
4091 | err = decoder_set_input(ov, v->channel); | |
4092 | if (err) | |
4093 | return err; | |
4094 | ||
4095 | err = decoder_set_norm(ov, v->norm); | |
4096 | if (err) | |
4097 | return err; | |
4098 | ||
4099 | return 0; | |
4100 | } | |
4101 | case VIDIOCGPICT: | |
4102 | { | |
4103 | struct video_picture *p = arg; | |
4104 | ||
4105 | PDEBUG(4, "VIDIOCGPICT"); | |
4106 | ||
4107 | memset(p, 0, sizeof(struct video_picture)); | |
4108 | if (sensor_get_picture(ov, p)) | |
4109 | return -EIO; | |
4110 | ||
4111 | /* Can we get these from frame[0]? -claudio? */ | |
4112 | p->depth = ov->frame[0].depth; | |
4113 | p->palette = ov->frame[0].format; | |
4114 | ||
4115 | return 0; | |
4116 | } | |
4117 | case VIDIOCSPICT: | |
4118 | { | |
4119 | struct video_picture *p = arg; | |
4120 | int i, rc; | |
4121 | ||
4122 | PDEBUG(4, "VIDIOCSPICT"); | |
4123 | ||
4124 | if (!get_depth(p->palette)) | |
4125 | return -EINVAL; | |
4126 | ||
4127 | if (sensor_set_picture(ov, p)) | |
4128 | return -EIO; | |
4129 | ||
4130 | if (force_palette && p->palette != force_palette) { | |
a482f327 | 4131 | dev_info(&ov->dev->dev, "Palette rejected (%s)\n", |
1da177e4 LT |
4132 | symbolic(v4l1_plist, p->palette)); |
4133 | return -EINVAL; | |
4134 | } | |
4135 | ||
4136 | // FIXME: Format should be independent of frames | |
4137 | if (p->palette != ov->frame[0].format) { | |
4138 | PDEBUG(4, "Detected format change"); | |
4139 | ||
4140 | rc = ov51x_wait_frames_inactive(ov); | |
4141 | if (rc) | |
4142 | return rc; | |
4143 | ||
4144 | mode_init_regs(ov, ov->frame[0].width, | |
4145 | ov->frame[0].height, p->palette, ov->sub_flag); | |
4146 | } | |
4147 | ||
4148 | PDEBUG(4, "Setting depth=%d, palette=%s", | |
4149 | p->depth, symbolic(v4l1_plist, p->palette)); | |
4150 | ||
4151 | for (i = 0; i < OV511_NUMFRAMES; i++) { | |
4152 | ov->frame[i].depth = p->depth; | |
4153 | ov->frame[i].format = p->palette; | |
4154 | } | |
4155 | ||
4156 | return 0; | |
4157 | } | |
4158 | case VIDIOCGCAPTURE: | |
4159 | { | |
4160 | int *vf = arg; | |
4161 | ||
4162 | PDEBUG(4, "VIDIOCGCAPTURE"); | |
4163 | ||
4164 | ov->sub_flag = *vf; | |
4165 | return 0; | |
4166 | } | |
4167 | case VIDIOCSCAPTURE: | |
4168 | { | |
4169 | struct video_capture *vc = arg; | |
4170 | ||
4171 | PDEBUG(4, "VIDIOCSCAPTURE"); | |
4172 | ||
4173 | if (vc->flags) | |
4174 | return -EINVAL; | |
4175 | if (vc->decimation) | |
4176 | return -EINVAL; | |
4177 | ||
4178 | vc->x &= ~3L; | |
4179 | vc->y &= ~1L; | |
4180 | vc->y &= ~31L; | |
4181 | ||
4182 | if (vc->width == 0) | |
4183 | vc->width = 32; | |
4184 | ||
4185 | vc->height /= 16; | |
4186 | vc->height *= 16; | |
4187 | if (vc->height == 0) | |
4188 | vc->height = 16; | |
4189 | ||
4190 | ov->subx = vc->x; | |
4191 | ov->suby = vc->y; | |
4192 | ov->subw = vc->width; | |
4193 | ov->subh = vc->height; | |
4194 | ||
4195 | return 0; | |
4196 | } | |
4197 | case VIDIOCSWIN: | |
4198 | { | |
4199 | struct video_window *vw = arg; | |
4200 | int i, rc; | |
4201 | ||
4202 | PDEBUG(4, "VIDIOCSWIN: %dx%d", vw->width, vw->height); | |
4203 | ||
4204 | #if 0 | |
4205 | if (vw->flags) | |
4206 | return -EINVAL; | |
4207 | if (vw->clipcount) | |
4208 | return -EINVAL; | |
4209 | if (vw->height != ov->maxheight) | |
4210 | return -EINVAL; | |
4211 | if (vw->width != ov->maxwidth) | |
4212 | return -EINVAL; | |
4213 | #endif | |
4214 | ||
4215 | rc = ov51x_wait_frames_inactive(ov); | |
4216 | if (rc) | |
4217 | return rc; | |
4218 | ||
4219 | rc = mode_init_regs(ov, vw->width, vw->height, | |
4220 | ov->frame[0].format, ov->sub_flag); | |
4221 | if (rc < 0) | |
4222 | return rc; | |
4223 | ||
4224 | for (i = 0; i < OV511_NUMFRAMES; i++) { | |
4225 | ov->frame[i].width = vw->width; | |
4226 | ov->frame[i].height = vw->height; | |
4227 | } | |
4228 | ||
4229 | return 0; | |
4230 | } | |
4231 | case VIDIOCGWIN: | |
4232 | { | |
4233 | struct video_window *vw = arg; | |
4234 | ||
4235 | memset(vw, 0, sizeof(struct video_window)); | |
4236 | vw->x = 0; /* FIXME */ | |
4237 | vw->y = 0; | |
4238 | vw->width = ov->frame[0].width; | |
4239 | vw->height = ov->frame[0].height; | |
4240 | vw->flags = 30; | |
4241 | ||
4242 | PDEBUG(4, "VIDIOCGWIN: %dx%d", vw->width, vw->height); | |
4243 | ||
4244 | return 0; | |
4245 | } | |
4246 | case VIDIOCGMBUF: | |
4247 | { | |
4248 | struct video_mbuf *vm = arg; | |
4249 | int i; | |
4250 | ||
4251 | PDEBUG(4, "VIDIOCGMBUF"); | |
4252 | ||
4253 | memset(vm, 0, sizeof(struct video_mbuf)); | |
4254 | vm->size = OV511_NUMFRAMES | |
4255 | * MAX_DATA_SIZE(ov->maxwidth, ov->maxheight); | |
4256 | vm->frames = OV511_NUMFRAMES; | |
4257 | ||
4258 | vm->offsets[0] = 0; | |
4259 | for (i = 1; i < OV511_NUMFRAMES; i++) { | |
4260 | vm->offsets[i] = vm->offsets[i-1] | |
4261 | + MAX_DATA_SIZE(ov->maxwidth, ov->maxheight); | |
4262 | } | |
4263 | ||
4264 | return 0; | |
4265 | } | |
4266 | case VIDIOCMCAPTURE: | |
4267 | { | |
4268 | struct video_mmap *vm = arg; | |
4269 | int rc, depth; | |
4270 | unsigned int f = vm->frame; | |
4271 | ||
4272 | PDEBUG(4, "VIDIOCMCAPTURE: frame: %d, %dx%d, %s", f, vm->width, | |
4273 | vm->height, symbolic(v4l1_plist, vm->format)); | |
4274 | ||
4275 | depth = get_depth(vm->format); | |
4276 | if (!depth) { | |
4277 | PDEBUG(2, "VIDIOCMCAPTURE: invalid format (%s)", | |
4278 | symbolic(v4l1_plist, vm->format)); | |
4279 | return -EINVAL; | |
4280 | } | |
4281 | ||
4282 | if (f >= OV511_NUMFRAMES) { | |
4283 | err("VIDIOCMCAPTURE: invalid frame (%d)", f); | |
4284 | return -EINVAL; | |
4285 | } | |
4286 | ||
4287 | if (vm->width > ov->maxwidth | |
4288 | || vm->height > ov->maxheight) { | |
4289 | err("VIDIOCMCAPTURE: requested dimensions too big"); | |
4290 | return -EINVAL; | |
4291 | } | |
4292 | ||
4293 | if (ov->frame[f].grabstate == FRAME_GRABBING) { | |
4294 | PDEBUG(4, "VIDIOCMCAPTURE: already grabbing"); | |
4295 | return -EBUSY; | |
4296 | } | |
4297 | ||
4298 | if (force_palette && (vm->format != force_palette)) { | |
4299 | PDEBUG(2, "palette rejected (%s)", | |
4300 | symbolic(v4l1_plist, vm->format)); | |
4301 | return -EINVAL; | |
4302 | } | |
4303 | ||
4304 | if ((ov->frame[f].width != vm->width) || | |
4305 | (ov->frame[f].height != vm->height) || | |
4306 | (ov->frame[f].format != vm->format) || | |
4307 | (ov->frame[f].sub_flag != ov->sub_flag) || | |
4308 | (ov->frame[f].depth != depth)) { | |
4309 | PDEBUG(4, "VIDIOCMCAPTURE: change in image parameters"); | |
4310 | ||
4311 | rc = ov51x_wait_frames_inactive(ov); | |
4312 | if (rc) | |
4313 | return rc; | |
4314 | ||
4315 | rc = mode_init_regs(ov, vm->width, vm->height, | |
4316 | vm->format, ov->sub_flag); | |
4317 | #if 0 | |
4318 | if (rc < 0) { | |
4319 | PDEBUG(1, "Got error while initializing regs "); | |
4320 | return ret; | |
4321 | } | |
4322 | #endif | |
4323 | ov->frame[f].width = vm->width; | |
4324 | ov->frame[f].height = vm->height; | |
4325 | ov->frame[f].format = vm->format; | |
4326 | ov->frame[f].sub_flag = ov->sub_flag; | |
4327 | ov->frame[f].depth = depth; | |
4328 | } | |
4329 | ||
4330 | /* Mark it as ready */ | |
4331 | ov->frame[f].grabstate = FRAME_READY; | |
4332 | ||
4333 | PDEBUG(4, "VIDIOCMCAPTURE: renewing frame %d", f); | |
4334 | ||
4335 | return ov51x_new_frame(ov, f); | |
4336 | } | |
4337 | case VIDIOCSYNC: | |
4338 | { | |
4339 | unsigned int fnum = *((unsigned int *) arg); | |
4340 | struct ov511_frame *frame; | |
4341 | int rc; | |
4342 | ||
4343 | if (fnum >= OV511_NUMFRAMES) { | |
4344 | err("VIDIOCSYNC: invalid frame (%d)", fnum); | |
4345 | return -EINVAL; | |
4346 | } | |
4347 | ||
4348 | frame = &ov->frame[fnum]; | |
4349 | ||
4350 | PDEBUG(4, "syncing to frame %d, grabstate = %d", fnum, | |
4351 | frame->grabstate); | |
4352 | ||
4353 | switch (frame->grabstate) { | |
4354 | case FRAME_UNUSED: | |
4355 | return -EINVAL; | |
4356 | case FRAME_READY: | |
4357 | case FRAME_GRABBING: | |
4358 | case FRAME_ERROR: | |
4359 | redo: | |
4360 | if (!ov->dev) | |
4361 | return -EIO; | |
4362 | ||
4363 | rc = wait_event_interruptible(frame->wq, | |
4364 | (frame->grabstate == FRAME_DONE) | |
4365 | || (frame->grabstate == FRAME_ERROR)); | |
4366 | ||
4367 | if (rc) | |
4368 | return rc; | |
4369 | ||
4370 | if (frame->grabstate == FRAME_ERROR) { | |
4371 | if ((rc = ov51x_new_frame(ov, fnum)) < 0) | |
4372 | return rc; | |
4373 | goto redo; | |
4374 | } | |
4375 | /* Fall through */ | |
4376 | case FRAME_DONE: | |
4377 | if (ov->snap_enabled && !frame->snapshot) { | |
4378 | if ((rc = ov51x_new_frame(ov, fnum)) < 0) | |
4379 | return rc; | |
4380 | goto redo; | |
4381 | } | |
4382 | ||
4383 | frame->grabstate = FRAME_UNUSED; | |
4384 | ||
4385 | /* Reset the hardware snapshot button */ | |
4386 | /* FIXME - Is this the best place for this? */ | |
4387 | if ((ov->snap_enabled) && (frame->snapshot)) { | |
4388 | frame->snapshot = 0; | |
4389 | ov51x_clear_snapshot(ov); | |
4390 | } | |
4391 | ||
4392 | /* Decompression, format conversion, etc... */ | |
4393 | ov51x_postprocess(ov, frame); | |
4394 | ||
4395 | break; | |
4396 | } /* end switch */ | |
4397 | ||
4398 | return 0; | |
4399 | } | |
4400 | case VIDIOCGFBUF: | |
4401 | { | |
4402 | struct video_buffer *vb = arg; | |
4403 | ||
4404 | PDEBUG(4, "VIDIOCGFBUF"); | |
4405 | ||
4406 | memset(vb, 0, sizeof(struct video_buffer)); | |
4407 | ||
4408 | return 0; | |
4409 | } | |
4410 | case VIDIOCGUNIT: | |
4411 | { | |
4412 | struct video_unit *vu = arg; | |
4413 | ||
4414 | PDEBUG(4, "VIDIOCGUNIT"); | |
4415 | ||
4416 | memset(vu, 0, sizeof(struct video_unit)); | |
4417 | ||
4418 | vu->video = ov->vdev->minor; | |
4419 | vu->vbi = VIDEO_NO_UNIT; | |
4420 | vu->radio = VIDEO_NO_UNIT; | |
4421 | vu->audio = VIDEO_NO_UNIT; | |
4422 | vu->teletext = VIDEO_NO_UNIT; | |
4423 | ||
4424 | return 0; | |
4425 | } | |
4426 | case OV511IOC_WI2C: | |
4427 | { | |
4428 | struct ov511_i2c_struct *w = arg; | |
4429 | ||
4430 | return i2c_w_slave(ov, w->slave, w->reg, w->value, w->mask); | |
4431 | } | |
4432 | case OV511IOC_RI2C: | |
4433 | { | |
4434 | struct ov511_i2c_struct *r = arg; | |
4435 | int rc; | |
4436 | ||
4437 | rc = i2c_r_slave(ov, r->slave, r->reg); | |
4438 | if (rc < 0) | |
4439 | return rc; | |
4440 | ||
4441 | r->value = rc; | |
4442 | return 0; | |
4443 | } | |
4444 | default: | |
4445 | PDEBUG(3, "Unsupported IOCtl: 0x%X", cmd); | |
4446 | return -ENOIOCTLCMD; | |
4447 | } /* end switch */ | |
4448 | ||
4449 | return 0; | |
4450 | } | |
4451 | ||
4452 | static int | |
bec43661 | 4453 | ov51x_v4l1_ioctl(struct file *file, |
1da177e4 LT |
4454 | unsigned int cmd, unsigned long arg) |
4455 | { | |
4456 | struct video_device *vdev = file->private_data; | |
4457 | struct usb_ov511 *ov = video_get_drvdata(vdev); | |
4458 | int rc; | |
4459 | ||
4186ecf8 | 4460 | if (mutex_lock_interruptible(&ov->lock)) |
1da177e4 LT |
4461 | return -EINTR; |
4462 | ||
f473bf76 | 4463 | rc = video_usercopy(file, cmd, arg, ov51x_v4l1_ioctl_internal); |
1da177e4 | 4464 | |
4186ecf8 | 4465 | mutex_unlock(&ov->lock); |
1da177e4 LT |
4466 | return rc; |
4467 | } | |
4468 | ||
4469 | static ssize_t | |
4470 | ov51x_v4l1_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos) | |
4471 | { | |
4472 | struct video_device *vdev = file->private_data; | |
4473 | int noblock = file->f_flags&O_NONBLOCK; | |
4474 | unsigned long count = cnt; | |
4475 | struct usb_ov511 *ov = video_get_drvdata(vdev); | |
4476 | int i, rc = 0, frmx = -1; | |
4477 | struct ov511_frame *frame; | |
4478 | ||
4186ecf8 | 4479 | if (mutex_lock_interruptible(&ov->lock)) |
1da177e4 LT |
4480 | return -EINTR; |
4481 | ||
4482 | PDEBUG(4, "%ld bytes, noblock=%d", count, noblock); | |
4483 | ||
4484 | if (!vdev || !buf) { | |
4485 | rc = -EFAULT; | |
4486 | goto error; | |
4487 | } | |
4488 | ||
4489 | if (!ov->dev) { | |
4490 | rc = -EIO; | |
4491 | goto error; | |
4492 | } | |
4493 | ||
4494 | // FIXME: Only supports two frames | |
4495 | /* See if a frame is completed, then use it. */ | |
4496 | if (ov->frame[0].grabstate >= FRAME_DONE) /* _DONE or _ERROR */ | |
4497 | frmx = 0; | |
4498 | else if (ov->frame[1].grabstate >= FRAME_DONE)/* _DONE or _ERROR */ | |
4499 | frmx = 1; | |
4500 | ||
4501 | /* If nonblocking we return immediately */ | |
4502 | if (noblock && (frmx == -1)) { | |
4503 | rc = -EAGAIN; | |
4504 | goto error; | |
4505 | } | |
4506 | ||
4507 | /* If no FRAME_DONE, look for a FRAME_GRABBING state. */ | |
4508 | /* See if a frame is in process (grabbing), then use it. */ | |
4509 | if (frmx == -1) { | |
4510 | if (ov->frame[0].grabstate == FRAME_GRABBING) | |
4511 | frmx = 0; | |
4512 | else if (ov->frame[1].grabstate == FRAME_GRABBING) | |
4513 | frmx = 1; | |
4514 | } | |
4515 | ||
4516 | /* If no frame is active, start one. */ | |
4517 | if (frmx == -1) { | |
4518 | if ((rc = ov51x_new_frame(ov, frmx = 0))) { | |
4519 | err("read: ov51x_new_frame error"); | |
4520 | goto error; | |
4521 | } | |
4522 | } | |
4523 | ||
4524 | frame = &ov->frame[frmx]; | |
4525 | ||
4526 | restart: | |
4527 | if (!ov->dev) { | |
4528 | rc = -EIO; | |
4529 | goto error; | |
4530 | } | |
4531 | ||
4532 | /* Wait while we're grabbing the image */ | |
4533 | PDEBUG(4, "Waiting image grabbing"); | |
4534 | rc = wait_event_interruptible(frame->wq, | |
4535 | (frame->grabstate == FRAME_DONE) | |
4536 | || (frame->grabstate == FRAME_ERROR)); | |
4537 | ||
4538 | if (rc) | |
4539 | goto error; | |
4540 | ||
4541 | PDEBUG(4, "Got image, frame->grabstate = %d", frame->grabstate); | |
4542 | PDEBUG(4, "bytes_recvd = %d", frame->bytes_recvd); | |
4543 | ||
4544 | if (frame->grabstate == FRAME_ERROR) { | |
4545 | frame->bytes_read = 0; | |
4546 | err("** ick! ** Errored frame %d", ov->curframe); | |
4547 | if (ov51x_new_frame(ov, frmx)) { | |
4548 | err("read: ov51x_new_frame error"); | |
4549 | goto error; | |
4550 | } | |
4551 | goto restart; | |
4552 | } | |
4553 | ||
4554 | ||
4555 | /* Repeat until we get a snapshot frame */ | |
4556 | if (ov->snap_enabled) | |
4557 | PDEBUG(4, "Waiting snapshot frame"); | |
4558 | if (ov->snap_enabled && !frame->snapshot) { | |
4559 | frame->bytes_read = 0; | |
4560 | if ((rc = ov51x_new_frame(ov, frmx))) { | |
4561 | err("read: ov51x_new_frame error"); | |
4562 | goto error; | |
4563 | } | |
4564 | goto restart; | |
4565 | } | |
4566 | ||
4567 | /* Clear the snapshot */ | |
4568 | if (ov->snap_enabled && frame->snapshot) { | |
4569 | frame->snapshot = 0; | |
4570 | ov51x_clear_snapshot(ov); | |
4571 | } | |
4572 | ||
4573 | /* Decompression, format conversion, etc... */ | |
4574 | ov51x_postprocess(ov, frame); | |
4575 | ||
4576 | PDEBUG(4, "frmx=%d, bytes_read=%ld, length=%ld", frmx, | |
4577 | frame->bytes_read, | |
4578 | get_frame_length(frame)); | |
4579 | ||
4580 | /* copy bytes to user space; we allow for partials reads */ | |
4581 | // if ((count + frame->bytes_read) | |
4582 | // > get_frame_length((struct ov511_frame *)frame)) | |
4583 | // count = frame->scanlength - frame->bytes_read; | |
4584 | ||
4585 | /* FIXME - count hardwired to be one frame... */ | |
4586 | count = get_frame_length(frame); | |
4587 | ||
4588 | PDEBUG(4, "Copy to user space: %ld bytes", count); | |
4589 | if ((i = copy_to_user(buf, frame->data + frame->bytes_read, count))) { | |
4590 | PDEBUG(4, "Copy failed! %d bytes not copied", i); | |
4591 | rc = -EFAULT; | |
4592 | goto error; | |
4593 | } | |
4594 | ||
4595 | frame->bytes_read += count; | |
4596 | PDEBUG(4, "{copy} count used=%ld, new bytes_read=%ld", | |
4597 | count, frame->bytes_read); | |
4598 | ||
4599 | /* If all data have been read... */ | |
4600 | if (frame->bytes_read | |
4601 | >= get_frame_length(frame)) { | |
4602 | frame->bytes_read = 0; | |
4603 | ||
4604 | // FIXME: Only supports two frames | |
4605 | /* Mark it as available to be used again. */ | |
4606 | ov->frame[frmx].grabstate = FRAME_UNUSED; | |
4607 | if ((rc = ov51x_new_frame(ov, !frmx))) { | |
4608 | err("ov51x_new_frame returned error"); | |
4609 | goto error; | |
4610 | } | |
4611 | } | |
4612 | ||
4613 | PDEBUG(4, "read finished, returning %ld (sweet)", count); | |
4614 | ||
4186ecf8 | 4615 | mutex_unlock(&ov->lock); |
1da177e4 LT |
4616 | return count; |
4617 | ||
4618 | error: | |
4186ecf8 | 4619 | mutex_unlock(&ov->lock); |
1da177e4 LT |
4620 | return rc; |
4621 | } | |
4622 | ||
4623 | static int | |
4624 | ov51x_v4l1_mmap(struct file *file, struct vm_area_struct *vma) | |
4625 | { | |
4626 | struct video_device *vdev = file->private_data; | |
4627 | unsigned long start = vma->vm_start; | |
4628 | unsigned long size = vma->vm_end - vma->vm_start; | |
4629 | struct usb_ov511 *ov = video_get_drvdata(vdev); | |
4630 | unsigned long page, pos; | |
4631 | ||
4632 | if (ov->dev == NULL) | |
4633 | return -EIO; | |
4634 | ||
4635 | PDEBUG(4, "mmap: %ld (%lX) bytes", size, size); | |
4636 | ||
4637 | if (size > (((OV511_NUMFRAMES | |
d56410e0 MCC |
4638 | * MAX_DATA_SIZE(ov->maxwidth, ov->maxheight) |
4639 | + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)))) | |
1da177e4 LT |
4640 | return -EINVAL; |
4641 | ||
4186ecf8 | 4642 | if (mutex_lock_interruptible(&ov->lock)) |
1da177e4 LT |
4643 | return -EINTR; |
4644 | ||
4645 | pos = (unsigned long)ov->fbuf; | |
4646 | while (size > 0) { | |
4647 | page = vmalloc_to_pfn((void *)pos); | |
4648 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { | |
4186ecf8 | 4649 | mutex_unlock(&ov->lock); |
1da177e4 LT |
4650 | return -EAGAIN; |
4651 | } | |
4652 | start += PAGE_SIZE; | |
4653 | pos += PAGE_SIZE; | |
4654 | if (size > PAGE_SIZE) | |
4655 | size -= PAGE_SIZE; | |
4656 | else | |
4657 | size = 0; | |
4658 | } | |
4659 | ||
4186ecf8 | 4660 | mutex_unlock(&ov->lock); |
1da177e4 LT |
4661 | return 0; |
4662 | } | |
4663 | ||
bec43661 | 4664 | static const struct v4l2_file_operations ov511_fops = { |
1da177e4 LT |
4665 | .owner = THIS_MODULE, |
4666 | .open = ov51x_v4l1_open, | |
4667 | .release = ov51x_v4l1_close, | |
4668 | .read = ov51x_v4l1_read, | |
4669 | .mmap = ov51x_v4l1_mmap, | |
4670 | .ioctl = ov51x_v4l1_ioctl, | |
1da177e4 LT |
4671 | }; |
4672 | ||
4673 | static struct video_device vdev_template = { | |
1da177e4 | 4674 | .name = "OV511 USB Camera", |
1da177e4 LT |
4675 | .fops = &ov511_fops, |
4676 | .release = video_device_release, | |
4677 | .minor = -1, | |
4678 | }; | |
4679 | ||
4680 | /**************************************************************************** | |
4681 | * | |
4682 | * OV511 and sensor configuration | |
4683 | * | |
4684 | ***************************************************************************/ | |
4685 | ||
4686 | /* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses | |
4687 | * the same register settings as the OV7610, since they are very similar. | |
4688 | */ | |
4689 | static int | |
4690 | ov7xx0_configure(struct usb_ov511 *ov) | |
4691 | { | |
4692 | int i, success; | |
4693 | int rc; | |
4694 | ||
4695 | /* Lawrence Glaister <lg@jfm.bc.ca> reports: | |
4696 | * | |
4697 | * Register 0x0f in the 7610 has the following effects: | |
4698 | * | |
4699 | * 0x85 (AEC method 1): Best overall, good contrast range | |
4700 | * 0x45 (AEC method 2): Very overexposed | |
4701 | * 0xa5 (spec sheet default): Ok, but the black level is | |
4702 | * shifted resulting in loss of contrast | |
4703 | * 0x05 (old driver setting): very overexposed, too much | |
4704 | * contrast | |
4705 | */ | |
4706 | static struct ov511_regvals aRegvalsNorm7610[] = { | |
4707 | { OV511_I2C_BUS, 0x10, 0xff }, | |
4708 | { OV511_I2C_BUS, 0x16, 0x06 }, | |
4709 | { OV511_I2C_BUS, 0x28, 0x24 }, | |
4710 | { OV511_I2C_BUS, 0x2b, 0xac }, | |
4711 | { OV511_I2C_BUS, 0x12, 0x00 }, | |
4712 | { OV511_I2C_BUS, 0x38, 0x81 }, | |
4713 | { OV511_I2C_BUS, 0x28, 0x24 }, /* 0c */ | |
4714 | { OV511_I2C_BUS, 0x0f, 0x85 }, /* lg's setting */ | |
4715 | { OV511_I2C_BUS, 0x15, 0x01 }, | |
4716 | { OV511_I2C_BUS, 0x20, 0x1c }, | |
4717 | { OV511_I2C_BUS, 0x23, 0x2a }, | |
4718 | { OV511_I2C_BUS, 0x24, 0x10 }, | |
4719 | { OV511_I2C_BUS, 0x25, 0x8a }, | |
4720 | { OV511_I2C_BUS, 0x26, 0xa2 }, | |
4721 | { OV511_I2C_BUS, 0x27, 0xc2 }, | |
4722 | { OV511_I2C_BUS, 0x2a, 0x04 }, | |
4723 | { OV511_I2C_BUS, 0x2c, 0xfe }, | |
4724 | { OV511_I2C_BUS, 0x2d, 0x93 }, | |
4725 | { OV511_I2C_BUS, 0x30, 0x71 }, | |
4726 | { OV511_I2C_BUS, 0x31, 0x60 }, | |
4727 | { OV511_I2C_BUS, 0x32, 0x26 }, | |
4728 | { OV511_I2C_BUS, 0x33, 0x20 }, | |
4729 | { OV511_I2C_BUS, 0x34, 0x48 }, | |
4730 | { OV511_I2C_BUS, 0x12, 0x24 }, | |
4731 | { OV511_I2C_BUS, 0x11, 0x01 }, | |
4732 | { OV511_I2C_BUS, 0x0c, 0x24 }, | |
4733 | { OV511_I2C_BUS, 0x0d, 0x24 }, | |
4734 | { OV511_DONE_BUS, 0x0, 0x00 }, | |
4735 | }; | |
4736 | ||
4737 | static struct ov511_regvals aRegvalsNorm7620[] = { | |
4738 | { OV511_I2C_BUS, 0x00, 0x00 }, | |
4739 | { OV511_I2C_BUS, 0x01, 0x80 }, | |
4740 | { OV511_I2C_BUS, 0x02, 0x80 }, | |
4741 | { OV511_I2C_BUS, 0x03, 0xc0 }, | |
4742 | { OV511_I2C_BUS, 0x06, 0x60 }, | |
4743 | { OV511_I2C_BUS, 0x07, 0x00 }, | |
4744 | { OV511_I2C_BUS, 0x0c, 0x24 }, | |
4745 | { OV511_I2C_BUS, 0x0c, 0x24 }, | |
4746 | { OV511_I2C_BUS, 0x0d, 0x24 }, | |
4747 | { OV511_I2C_BUS, 0x11, 0x01 }, | |
4748 | { OV511_I2C_BUS, 0x12, 0x24 }, | |
4749 | { OV511_I2C_BUS, 0x13, 0x01 }, | |
4750 | { OV511_I2C_BUS, 0x14, 0x84 }, | |
4751 | { OV511_I2C_BUS, 0x15, 0x01 }, | |
4752 | { OV511_I2C_BUS, 0x16, 0x03 }, | |
4753 | { OV511_I2C_BUS, 0x17, 0x2f }, | |
4754 | { OV511_I2C_BUS, 0x18, 0xcf }, | |
4755 | { OV511_I2C_BUS, 0x19, 0x06 }, | |
4756 | { OV511_I2C_BUS, 0x1a, 0xf5 }, | |
4757 | { OV511_I2C_BUS, 0x1b, 0x00 }, | |
4758 | { OV511_I2C_BUS, 0x20, 0x18 }, | |
4759 | { OV511_I2C_BUS, 0x21, 0x80 }, | |
4760 | { OV511_I2C_BUS, 0x22, 0x80 }, | |
4761 | { OV511_I2C_BUS, 0x23, 0x00 }, | |
4762 | { OV511_I2C_BUS, 0x26, 0xa2 }, | |
4763 | { OV511_I2C_BUS, 0x27, 0xea }, | |
4764 | { OV511_I2C_BUS, 0x28, 0x20 }, | |
4765 | { OV511_I2C_BUS, 0x29, 0x00 }, | |
4766 | { OV511_I2C_BUS, 0x2a, 0x10 }, | |
4767 | { OV511_I2C_BUS, 0x2b, 0x00 }, | |
4768 | { OV511_I2C_BUS, 0x2c, 0x88 }, | |
4769 | { OV511_I2C_BUS, 0x2d, 0x91 }, | |
4770 | { OV511_I2C_BUS, 0x2e, 0x80 }, | |
4771 | { OV511_I2C_BUS, 0x2f, 0x44 }, | |
4772 | { OV511_I2C_BUS, 0x60, 0x27 }, | |
4773 | { OV511_I2C_BUS, 0x61, 0x02 }, | |
4774 | { OV511_I2C_BUS, 0x62, 0x5f }, | |
4775 | { OV511_I2C_BUS, 0x63, 0xd5 }, | |
4776 | { OV511_I2C_BUS, 0x64, 0x57 }, | |
4777 | { OV511_I2C_BUS, 0x65, 0x83 }, | |
4778 | { OV511_I2C_BUS, 0x66, 0x55 }, | |
4779 | { OV511_I2C_BUS, 0x67, 0x92 }, | |
4780 | { OV511_I2C_BUS, 0x68, 0xcf }, | |
4781 | { OV511_I2C_BUS, 0x69, 0x76 }, | |
4782 | { OV511_I2C_BUS, 0x6a, 0x22 }, | |
4783 | { OV511_I2C_BUS, 0x6b, 0x00 }, | |
4784 | { OV511_I2C_BUS, 0x6c, 0x02 }, | |
4785 | { OV511_I2C_BUS, 0x6d, 0x44 }, | |
4786 | { OV511_I2C_BUS, 0x6e, 0x80 }, | |
4787 | { OV511_I2C_BUS, 0x6f, 0x1d }, | |
4788 | { OV511_I2C_BUS, 0x70, 0x8b }, | |
4789 | { OV511_I2C_BUS, 0x71, 0x00 }, | |
4790 | { OV511_I2C_BUS, 0x72, 0x14 }, | |
4791 | { OV511_I2C_BUS, 0x73, 0x54 }, | |
4792 | { OV511_I2C_BUS, 0x74, 0x00 }, | |
4793 | { OV511_I2C_BUS, 0x75, 0x8e }, | |
4794 | { OV511_I2C_BUS, 0x76, 0x00 }, | |
4795 | { OV511_I2C_BUS, 0x77, 0xff }, | |
4796 | { OV511_I2C_BUS, 0x78, 0x80 }, | |
4797 | { OV511_I2C_BUS, 0x79, 0x80 }, | |
4798 | { OV511_I2C_BUS, 0x7a, 0x80 }, | |
4799 | { OV511_I2C_BUS, 0x7b, 0xe2 }, | |
4800 | { OV511_I2C_BUS, 0x7c, 0x00 }, | |
4801 | { OV511_DONE_BUS, 0x0, 0x00 }, | |
4802 | }; | |
4803 | ||
4804 | PDEBUG(4, "starting configuration"); | |
4805 | ||
4806 | /* This looks redundant, but is necessary for WebCam 3 */ | |
4807 | ov->primary_i2c_slave = OV7xx0_SID; | |
4808 | if (ov51x_set_slave_ids(ov, OV7xx0_SID) < 0) | |
4809 | return -1; | |
4810 | ||
4811 | if (init_ov_sensor(ov) >= 0) { | |
4812 | PDEBUG(1, "OV7xx0 sensor initalized (method 1)"); | |
4813 | } else { | |
4814 | /* Reset the 76xx */ | |
4815 | if (i2c_w(ov, 0x12, 0x80) < 0) | |
4816 | return -1; | |
4817 | ||
4818 | /* Wait for it to initialize */ | |
4819 | msleep(150); | |
4820 | ||
4821 | i = 0; | |
4822 | success = 0; | |
4823 | while (i <= i2c_detect_tries) { | |
4824 | if ((i2c_r(ov, OV7610_REG_ID_HIGH) == 0x7F) && | |
4825 | (i2c_r(ov, OV7610_REG_ID_LOW) == 0xA2)) { | |
4826 | success = 1; | |
4827 | break; | |
4828 | } else { | |
4829 | i++; | |
4830 | } | |
4831 | } | |
4832 | ||
4833 | // Was (i == i2c_detect_tries) previously. This obviously used to always report | |
4834 | // success. Whether anyone actually depended on that bug is unknown | |
4835 | if ((i >= i2c_detect_tries) && (success == 0)) { | |
4836 | err("Failed to read sensor ID. You might not have an"); | |
4837 | err("OV7610/20, or it may be not responding. Report"); | |
4838 | err("this to " EMAIL); | |
4839 | err("This is only a warning. You can attempt to use"); | |
4840 | err("your camera anyway"); | |
4841 | // Only issue a warning for now | |
4842 | // return -1; | |
4843 | } else { | |
4844 | PDEBUG(1, "OV7xx0 initialized (method 2, %dx)", i+1); | |
4845 | } | |
4846 | } | |
4847 | ||
4848 | /* Detect sensor (sub)type */ | |
4849 | rc = i2c_r(ov, OV7610_REG_COM_I); | |
4850 | ||
4851 | if (rc < 0) { | |
4852 | err("Error detecting sensor type"); | |
4853 | return -1; | |
4854 | } else if ((rc & 3) == 3) { | |
a482f327 | 4855 | dev_info(&ov->dev->dev, "Sensor is an OV7610\n"); |
1da177e4 LT |
4856 | ov->sensor = SEN_OV7610; |
4857 | } else if ((rc & 3) == 1) { | |
4858 | /* I don't know what's different about the 76BE yet. */ | |
4859 | if (i2c_r(ov, 0x15) & 1) | |
a482f327 | 4860 | dev_info(&ov->dev->dev, "Sensor is an OV7620AE\n"); |
1da177e4 | 4861 | else |
a482f327 | 4862 | dev_info(&ov->dev->dev, "Sensor is an OV76BE\n"); |
1da177e4 LT |
4863 | |
4864 | /* OV511+ will return all zero isoc data unless we | |
4865 | * configure the sensor as a 7620. Someone needs to | |
4866 | * find the exact reg. setting that causes this. */ | |
4867 | if (ov->bridge == BRG_OV511PLUS) { | |
a482f327 GKH |
4868 | dev_info(&ov->dev->dev, |
4869 | "Enabling 511+/7620AE workaround\n"); | |
1da177e4 LT |
4870 | ov->sensor = SEN_OV7620; |
4871 | } else { | |
4872 | ov->sensor = SEN_OV76BE; | |
4873 | } | |
4874 | } else if ((rc & 3) == 0) { | |
a482f327 | 4875 | dev_info(&ov->dev->dev, "Sensor is an OV7620\n"); |
1da177e4 LT |
4876 | ov->sensor = SEN_OV7620; |
4877 | } else { | |
4878 | err("Unknown image sensor version: %d", rc & 3); | |
4879 | return -1; | |
4880 | } | |
4881 | ||
4882 | if (ov->sensor == SEN_OV7620) { | |
4883 | PDEBUG(4, "Writing 7620 registers"); | |
4884 | if (write_regvals(ov, aRegvalsNorm7620)) | |
4885 | return -1; | |
4886 | } else { | |
4887 | PDEBUG(4, "Writing 7610 registers"); | |
4888 | if (write_regvals(ov, aRegvalsNorm7610)) | |
4889 | return -1; | |
4890 | } | |
4891 | ||
4892 | /* Set sensor-specific vars */ | |
4893 | ov->maxwidth = 640; | |
4894 | ov->maxheight = 480; | |
4895 | ov->minwidth = 64; | |
4896 | ov->minheight = 48; | |
4897 | ||
4898 | // FIXME: These do not match the actual settings yet | |
4899 | ov->brightness = 0x80 << 8; | |
4900 | ov->contrast = 0x80 << 8; | |
4901 | ov->colour = 0x80 << 8; | |
4902 | ov->hue = 0x80 << 8; | |
4903 | ||
4904 | return 0; | |
4905 | } | |
4906 | ||
4907 | /* This initializes the OV6620, OV6630, OV6630AE, or OV6630AF sensor. */ | |
4908 | static int | |
4909 | ov6xx0_configure(struct usb_ov511 *ov) | |
4910 | { | |
4911 | int rc; | |
4912 | ||
4913 | static struct ov511_regvals aRegvalsNorm6x20[] = { | |
4914 | { OV511_I2C_BUS, 0x12, 0x80 }, /* reset */ | |
4915 | { OV511_I2C_BUS, 0x11, 0x01 }, | |
4916 | { OV511_I2C_BUS, 0x03, 0x60 }, | |
4917 | { OV511_I2C_BUS, 0x05, 0x7f }, /* For when autoadjust is off */ | |
4918 | { OV511_I2C_BUS, 0x07, 0xa8 }, | |
4919 | /* The ratio of 0x0c and 0x0d controls the white point */ | |
4920 | { OV511_I2C_BUS, 0x0c, 0x24 }, | |
4921 | { OV511_I2C_BUS, 0x0d, 0x24 }, | |
4922 | { OV511_I2C_BUS, 0x0f, 0x15 }, /* COMS */ | |
4923 | { OV511_I2C_BUS, 0x10, 0x75 }, /* AEC Exposure time */ | |
4924 | { OV511_I2C_BUS, 0x12, 0x24 }, /* Enable AGC */ | |
4925 | { OV511_I2C_BUS, 0x14, 0x04 }, | |
4926 | /* 0x16: 0x06 helps frame stability with moving objects */ | |
4927 | { OV511_I2C_BUS, 0x16, 0x06 }, | |
4928 | // { OV511_I2C_BUS, 0x20, 0x30 }, /* Aperture correction enable */ | |
4929 | { OV511_I2C_BUS, 0x26, 0xb2 }, /* BLC enable */ | |
4930 | /* 0x28: 0x05 Selects RGB format if RGB on */ | |
4931 | { OV511_I2C_BUS, 0x28, 0x05 }, | |
4932 | { OV511_I2C_BUS, 0x2a, 0x04 }, /* Disable framerate adjust */ | |
4933 | // { OV511_I2C_BUS, 0x2b, 0xac }, /* Framerate; Set 2a[7] first */ | |
4934 | { OV511_I2C_BUS, 0x2d, 0x99 }, | |
093cf723 | 4935 | { OV511_I2C_BUS, 0x33, 0xa0 }, /* Color Processing Parameter */ |
1da177e4 LT |
4936 | { OV511_I2C_BUS, 0x34, 0xd2 }, /* Max A/D range */ |
4937 | { OV511_I2C_BUS, 0x38, 0x8b }, | |
4938 | { OV511_I2C_BUS, 0x39, 0x40 }, | |
4939 | ||
4940 | { OV511_I2C_BUS, 0x3c, 0x39 }, /* Enable AEC mode changing */ | |
4941 | { OV511_I2C_BUS, 0x3c, 0x3c }, /* Change AEC mode */ | |
4942 | { OV511_I2C_BUS, 0x3c, 0x24 }, /* Disable AEC mode changing */ | |
4943 | ||
4944 | { OV511_I2C_BUS, 0x3d, 0x80 }, | |
4945 | /* These next two registers (0x4a, 0x4b) are undocumented. They | |
4946 | * control the color balance */ | |
4947 | { OV511_I2C_BUS, 0x4a, 0x80 }, | |
4948 | { OV511_I2C_BUS, 0x4b, 0x80 }, | |
4949 | { OV511_I2C_BUS, 0x4d, 0xd2 }, /* This reduces noise a bit */ | |
4950 | { OV511_I2C_BUS, 0x4e, 0xc1 }, | |
4951 | { OV511_I2C_BUS, 0x4f, 0x04 }, | |
4952 | // Do 50-53 have any effect? | |
4953 | // Toggle 0x12[2] off and on here? | |
4954 | { OV511_DONE_BUS, 0x0, 0x00 }, /* END MARKER */ | |
4955 | }; | |
4956 | ||
4957 | static struct ov511_regvals aRegvalsNorm6x30[] = { | |
4958 | /*OK*/ { OV511_I2C_BUS, 0x12, 0x80 }, /* reset */ | |
4959 | { OV511_I2C_BUS, 0x11, 0x00 }, | |
4960 | /*OK*/ { OV511_I2C_BUS, 0x03, 0x60 }, | |
4961 | /*0A?*/ { OV511_I2C_BUS, 0x05, 0x7f }, /* For when autoadjust is off */ | |
4962 | { OV511_I2C_BUS, 0x07, 0xa8 }, | |
4963 | /* The ratio of 0x0c and 0x0d controls the white point */ | |
4964 | /*OK*/ { OV511_I2C_BUS, 0x0c, 0x24 }, | |
4965 | /*OK*/ { OV511_I2C_BUS, 0x0d, 0x24 }, | |
4966 | /*A*/ { OV511_I2C_BUS, 0x0e, 0x20 }, | |
4967 | // /*04?*/ { OV511_I2C_BUS, 0x14, 0x80 }, | |
4968 | { OV511_I2C_BUS, 0x16, 0x03 }, | |
4969 | // /*OK*/ { OV511_I2C_BUS, 0x20, 0x30 }, /* Aperture correction enable */ | |
4970 | // 21 & 22? The suggested values look wrong. Go with default | |
4971 | /*A*/ { OV511_I2C_BUS, 0x23, 0xc0 }, | |
4972 | /*A*/ { OV511_I2C_BUS, 0x25, 0x9a }, // Check this against default | |
4973 | // /*OK*/ { OV511_I2C_BUS, 0x26, 0xb2 }, /* BLC enable */ | |
4974 | ||
4975 | /* 0x28: 0x05 Selects RGB format if RGB on */ | |
4976 | // /*04?*/ { OV511_I2C_BUS, 0x28, 0x05 }, | |
4977 | // /*04?*/ { OV511_I2C_BUS, 0x28, 0x45 }, // DEBUG: Tristate UV bus | |
4978 | ||
4979 | /*OK*/ { OV511_I2C_BUS, 0x2a, 0x04 }, /* Disable framerate adjust */ | |
4980 | // /*OK*/ { OV511_I2C_BUS, 0x2b, 0xac }, /* Framerate; Set 2a[7] first */ | |
4981 | { OV511_I2C_BUS, 0x2d, 0x99 }, | |
4982 | // /*A*/ { OV511_I2C_BUS, 0x33, 0x26 }, // Reserved bits on 6620 | |
4983 | // /*d2?*/ { OV511_I2C_BUS, 0x34, 0x03 }, /* Max A/D range */ | |
4984 | // /*8b?*/ { OV511_I2C_BUS, 0x38, 0x83 }, | |
4985 | // /*40?*/ { OV511_I2C_BUS, 0x39, 0xc0 }, // 6630 adds bit 7 | |
4986 | // { OV511_I2C_BUS, 0x3c, 0x39 }, /* Enable AEC mode changing */ | |
4987 | // { OV511_I2C_BUS, 0x3c, 0x3c }, /* Change AEC mode */ | |
4988 | // { OV511_I2C_BUS, 0x3c, 0x24 }, /* Disable AEC mode changing */ | |
4989 | { OV511_I2C_BUS, 0x3d, 0x80 }, | |
4990 | // /*A*/ { OV511_I2C_BUS, 0x3f, 0x0e }, | |
4991 | ||
4992 | /* These next two registers (0x4a, 0x4b) are undocumented. They | |
4993 | * control the color balance */ | |
4994 | // /*OK?*/ { OV511_I2C_BUS, 0x4a, 0x80 }, // Check these | |
4995 | // /*OK?*/ { OV511_I2C_BUS, 0x4b, 0x80 }, | |
4996 | { OV511_I2C_BUS, 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */ | |
4997 | /*c1?*/ { OV511_I2C_BUS, 0x4e, 0x40 }, | |
4998 | ||
4999 | /* UV average mode, color killer: strongest */ | |
5000 | { OV511_I2C_BUS, 0x4f, 0x07 }, | |
5001 | ||
5002 | { OV511_I2C_BUS, 0x54, 0x23 }, /* Max AGC gain: 18dB */ | |
5003 | { OV511_I2C_BUS, 0x57, 0x81 }, /* (default) */ | |
5004 | { OV511_I2C_BUS, 0x59, 0x01 }, /* AGC dark current comp: +1 */ | |
5005 | { OV511_I2C_BUS, 0x5a, 0x2c }, /* (undocumented) */ | |
5006 | { OV511_I2C_BUS, 0x5b, 0x0f }, /* AWB chrominance levels */ | |
5007 | // { OV511_I2C_BUS, 0x5c, 0x10 }, | |
5008 | { OV511_DONE_BUS, 0x0, 0x00 }, /* END MARKER */ | |
5009 | }; | |
5010 | ||
5011 | PDEBUG(4, "starting sensor configuration"); | |
5012 | ||
5013 | if (init_ov_sensor(ov) < 0) { | |
5014 | err("Failed to read sensor ID. You might not have an OV6xx0,"); | |
5015 | err("or it may be not responding. Report this to " EMAIL); | |
5016 | return -1; | |
5017 | } else { | |
5018 | PDEBUG(1, "OV6xx0 sensor detected"); | |
5019 | } | |
5020 | ||
5021 | /* Detect sensor (sub)type */ | |
5022 | rc = i2c_r(ov, OV7610_REG_COM_I); | |
5023 | ||
5024 | if (rc < 0) { | |
5025 | err("Error detecting sensor type"); | |
5026 | return -1; | |
5027 | } | |
5028 | ||
5029 | if ((rc & 3) == 0) { | |
5030 | ov->sensor = SEN_OV6630; | |
a482f327 | 5031 | dev_info(&ov->dev->dev, "Sensor is an OV6630\n"); |
1da177e4 LT |
5032 | } else if ((rc & 3) == 1) { |
5033 | ov->sensor = SEN_OV6620; | |
a482f327 | 5034 | dev_info(&ov->dev->dev, "Sensor is an OV6620\n"); |
1da177e4 LT |
5035 | } else if ((rc & 3) == 2) { |
5036 | ov->sensor = SEN_OV6630; | |
a482f327 | 5037 | dev_info(&ov->dev->dev, "Sensor is an OV6630AE\n"); |
1da177e4 LT |
5038 | } else if ((rc & 3) == 3) { |
5039 | ov->sensor = SEN_OV6630; | |
a482f327 | 5040 | dev_info(&ov->dev->dev, "Sensor is an OV6630AF\n"); |
1da177e4 LT |
5041 | } |
5042 | ||
5043 | /* Set sensor-specific vars */ | |
5044 | ov->maxwidth = 352; | |
5045 | ov->maxheight = 288; | |
5046 | ov->minwidth = 64; | |
5047 | ov->minheight = 48; | |
5048 | ||
5049 | // FIXME: These do not match the actual settings yet | |
5050 | ov->brightness = 0x80 << 8; | |
5051 | ov->contrast = 0x80 << 8; | |
5052 | ov->colour = 0x80 << 8; | |
5053 | ov->hue = 0x80 << 8; | |
5054 | ||
5055 | if (ov->sensor == SEN_OV6620) { | |
5056 | PDEBUG(4, "Writing 6x20 registers"); | |
5057 | if (write_regvals(ov, aRegvalsNorm6x20)) | |
5058 | return -1; | |
5059 | } else { | |
5060 | PDEBUG(4, "Writing 6x30 registers"); | |
5061 | if (write_regvals(ov, aRegvalsNorm6x30)) | |
5062 | return -1; | |
5063 | } | |
5064 | ||
5065 | return 0; | |
5066 | } | |
5067 | ||
5068 | /* This initializes the KS0127 and KS0127B video decoders. */ | |
d56410e0 | 5069 | static int |
1da177e4 LT |
5070 | ks0127_configure(struct usb_ov511 *ov) |
5071 | { | |
5072 | int rc; | |
5073 | ||
5074 | // FIXME: I don't know how to sync or reset it yet | |
5075 | #if 0 | |
5076 | if (ov51x_init_ks_sensor(ov) < 0) { | |
5077 | err("Failed to initialize the KS0127"); | |
5078 | return -1; | |
5079 | } else { | |
5080 | PDEBUG(1, "KS012x(B) sensor detected"); | |
5081 | } | |
5082 | #endif | |
5083 | ||
5084 | /* Detect decoder subtype */ | |
5085 | rc = i2c_r(ov, 0x00); | |
5086 | if (rc < 0) { | |
5087 | err("Error detecting sensor type"); | |
5088 | return -1; | |
5089 | } else if (rc & 0x08) { | |
5090 | rc = i2c_r(ov, 0x3d); | |
5091 | if (rc < 0) { | |
5092 | err("Error detecting sensor type"); | |
5093 | return -1; | |
5094 | } else if ((rc & 0x0f) == 0) { | |
a482f327 | 5095 | dev_info(&ov->dev->dev, "Sensor is a KS0127\n"); |
1da177e4 LT |
5096 | ov->sensor = SEN_KS0127; |
5097 | } else if ((rc & 0x0f) == 9) { | |
a482f327 | 5098 | dev_info(&ov->dev->dev, "Sensor is a KS0127B Rev. A\n"); |
1da177e4 LT |
5099 | ov->sensor = SEN_KS0127B; |
5100 | } | |
5101 | } else { | |
5102 | err("Error: Sensor is an unsupported KS0122"); | |
5103 | return -1; | |
5104 | } | |
5105 | ||
5106 | /* Set sensor-specific vars */ | |
5107 | ov->maxwidth = 640; | |
5108 | ov->maxheight = 480; | |
5109 | ov->minwidth = 64; | |
5110 | ov->minheight = 48; | |
5111 | ||
5112 | // FIXME: These do not match the actual settings yet | |
5113 | ov->brightness = 0x80 << 8; | |
5114 | ov->contrast = 0x80 << 8; | |
5115 | ov->colour = 0x80 << 8; | |
5116 | ov->hue = 0x80 << 8; | |
5117 | ||
5118 | /* This device is not supported yet. Bail out now... */ | |
5119 | err("This sensor is not supported yet."); | |
5120 | return -1; | |
5121 | ||
5122 | return 0; | |
5123 | } | |
5124 | ||
5125 | /* This initializes the SAA7111A video decoder. */ | |
5126 | static int | |
5127 | saa7111a_configure(struct usb_ov511 *ov) | |
5128 | { | |
5129 | int rc; | |
5130 | ||
5131 | /* Since there is no register reset command, all registers must be | |
5132 | * written, otherwise gives erratic results */ | |
5133 | static struct ov511_regvals aRegvalsNormSAA7111A[] = { | |
5134 | { OV511_I2C_BUS, 0x06, 0xce }, | |
5135 | { OV511_I2C_BUS, 0x07, 0x00 }, | |
5136 | { OV511_I2C_BUS, 0x10, 0x44 }, /* YUV422, 240/286 lines */ | |
5137 | { OV511_I2C_BUS, 0x0e, 0x01 }, /* NTSC M or PAL BGHI */ | |
5138 | { OV511_I2C_BUS, 0x00, 0x00 }, | |
5139 | { OV511_I2C_BUS, 0x01, 0x00 }, | |
5140 | { OV511_I2C_BUS, 0x03, 0x23 }, | |
5141 | { OV511_I2C_BUS, 0x04, 0x00 }, | |
5142 | { OV511_I2C_BUS, 0x05, 0x00 }, | |
5143 | { OV511_I2C_BUS, 0x08, 0xc8 }, /* Auto field freq */ | |
5144 | { OV511_I2C_BUS, 0x09, 0x01 }, /* Chrom. trap off, APER=0.25 */ | |
5145 | { OV511_I2C_BUS, 0x0a, 0x80 }, /* BRIG=128 */ | |
5146 | { OV511_I2C_BUS, 0x0b, 0x40 }, /* CONT=1.0 */ | |
5147 | { OV511_I2C_BUS, 0x0c, 0x40 }, /* SATN=1.0 */ | |
5148 | { OV511_I2C_BUS, 0x0d, 0x00 }, /* HUE=0 */ | |
5149 | { OV511_I2C_BUS, 0x0f, 0x00 }, | |
5150 | { OV511_I2C_BUS, 0x11, 0x0c }, | |
5151 | { OV511_I2C_BUS, 0x12, 0x00 }, | |
5152 | { OV511_I2C_BUS, 0x13, 0x00 }, | |
5153 | { OV511_I2C_BUS, 0x14, 0x00 }, | |
5154 | { OV511_I2C_BUS, 0x15, 0x00 }, | |
5155 | { OV511_I2C_BUS, 0x16, 0x00 }, | |
5156 | { OV511_I2C_BUS, 0x17, 0x00 }, | |
5157 | { OV511_I2C_BUS, 0x02, 0xc0 }, /* Composite input 0 */ | |
5158 | { OV511_DONE_BUS, 0x0, 0x00 }, | |
5159 | }; | |
5160 | ||
5161 | // FIXME: I don't know how to sync or reset it yet | |
5162 | #if 0 | |
5163 | if (ov51x_init_saa_sensor(ov) < 0) { | |
5164 | err("Failed to initialize the SAA7111A"); | |
5165 | return -1; | |
5166 | } else { | |
5167 | PDEBUG(1, "SAA7111A sensor detected"); | |
5168 | } | |
5169 | #endif | |
5170 | ||
5171 | /* 640x480 not supported with PAL */ | |
5172 | if (ov->pal) { | |
5173 | ov->maxwidth = 320; | |
5174 | ov->maxheight = 240; /* Even field only */ | |
5175 | } else { | |
5176 | ov->maxwidth = 640; | |
5177 | ov->maxheight = 480; /* Even/Odd fields */ | |
5178 | } | |
5179 | ||
5180 | ov->minwidth = 320; | |
5181 | ov->minheight = 240; /* Even field only */ | |
5182 | ||
5183 | ov->has_decoder = 1; | |
5184 | ov->num_inputs = 8; | |
5185 | ov->norm = VIDEO_MODE_AUTO; | |
5186 | ov->stop_during_set = 0; /* Decoder guarantees stable image */ | |
5187 | ||
5188 | /* Decoder doesn't change these values, so we use these instead of | |
5189 | * acutally reading the registers (which doesn't work) */ | |
5190 | ov->brightness = 0x80 << 8; | |
5191 | ov->contrast = 0x40 << 9; | |
5192 | ov->colour = 0x40 << 9; | |
5193 | ov->hue = 32768; | |
5194 | ||
5195 | PDEBUG(4, "Writing SAA7111A registers"); | |
5196 | if (write_regvals(ov, aRegvalsNormSAA7111A)) | |
5197 | return -1; | |
5198 | ||
5199 | /* Detect version of decoder. This must be done after writing the | |
d56410e0 | 5200 | * initial regs or the decoder will lock up. */ |
1da177e4 LT |
5201 | rc = i2c_r(ov, 0x00); |
5202 | ||
5203 | if (rc < 0) { | |
5204 | err("Error detecting sensor version"); | |
5205 | return -1; | |
5206 | } else { | |
a482f327 GKH |
5207 | dev_info(&ov->dev->dev, |
5208 | "Sensor is an SAA7111A (version 0x%x)\n", rc); | |
1da177e4 LT |
5209 | ov->sensor = SEN_SAA7111A; |
5210 | } | |
5211 | ||
5212 | // FIXME: Fix this for OV518(+) | |
5213 | /* Latch to negative edge of clock. Otherwise, we get incorrect | |
5214 | * colors and jitter in the digital signal. */ | |
5215 | if (ov->bclass == BCL_OV511) | |
5216 | reg_w(ov, 0x11, 0x00); | |
5217 | else | |
aa82661b GKH |
5218 | dev_warn(&ov->dev->dev, |
5219 | "SAA7111A not yet supported with OV518/OV518+\n"); | |
1da177e4 LT |
5220 | |
5221 | return 0; | |
5222 | } | |
5223 | ||
5224 | /* This initializes the OV511/OV511+ and the sensor */ | |
d56410e0 | 5225 | static int |
1da177e4 LT |
5226 | ov511_configure(struct usb_ov511 *ov) |
5227 | { | |
5228 | static struct ov511_regvals aRegvalsInit511[] = { | |
5229 | { OV511_REG_BUS, R51x_SYS_RESET, 0x7f }, | |
d56410e0 MCC |
5230 | { OV511_REG_BUS, R51x_SYS_INIT, 0x01 }, |
5231 | { OV511_REG_BUS, R51x_SYS_RESET, 0x7f }, | |
1da177e4 LT |
5232 | { OV511_REG_BUS, R51x_SYS_INIT, 0x01 }, |
5233 | { OV511_REG_BUS, R51x_SYS_RESET, 0x3f }, | |
5234 | { OV511_REG_BUS, R51x_SYS_INIT, 0x01 }, | |
5235 | { OV511_REG_BUS, R51x_SYS_RESET, 0x3d }, | |
5236 | { OV511_DONE_BUS, 0x0, 0x00}, | |
5237 | }; | |
5238 | ||
5239 | static struct ov511_regvals aRegvalsNorm511[] = { | |
5240 | { OV511_REG_BUS, R511_DRAM_FLOW_CTL, 0x01 }, | |
5241 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x00 }, | |
5242 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x02 }, | |
5243 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x00 }, | |
5244 | { OV511_REG_BUS, R511_FIFO_OPTS, 0x1f }, | |
5245 | { OV511_REG_BUS, R511_COMP_EN, 0x00 }, | |
5246 | { OV511_REG_BUS, R511_COMP_LUT_EN, 0x03 }, | |
5247 | { OV511_DONE_BUS, 0x0, 0x00 }, | |
5248 | }; | |
5249 | ||
5250 | static struct ov511_regvals aRegvalsNorm511Plus[] = { | |
5251 | { OV511_REG_BUS, R511_DRAM_FLOW_CTL, 0xff }, | |
5252 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x00 }, | |
5253 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x02 }, | |
5254 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x00 }, | |
5255 | { OV511_REG_BUS, R511_FIFO_OPTS, 0xff }, | |
5256 | { OV511_REG_BUS, R511_COMP_EN, 0x00 }, | |
5257 | { OV511_REG_BUS, R511_COMP_LUT_EN, 0x03 }, | |
5258 | { OV511_DONE_BUS, 0x0, 0x00 }, | |
5259 | }; | |
5260 | ||
5261 | PDEBUG(4, ""); | |
5262 | ||
5263 | ov->customid = reg_r(ov, R511_SYS_CUST_ID); | |
5264 | if (ov->customid < 0) { | |
5265 | err("Unable to read camera bridge registers"); | |
5266 | goto error; | |
5267 | } | |
5268 | ||
5269 | PDEBUG (1, "CustomID = %d", ov->customid); | |
5270 | ov->desc = symbolic(camlist, ov->customid); | |
a482f327 | 5271 | dev_info(&ov->dev->dev, "model: %s\n", ov->desc); |
1da177e4 LT |
5272 | |
5273 | if (0 == strcmp(ov->desc, NOT_DEFINED_STR)) { | |
5274 | err("Camera type (%d) not recognized", ov->customid); | |
5275 | err("Please notify " EMAIL " of the name,"); | |
5276 | err("manufacturer, model, and this number of your camera."); | |
5277 | err("Also include the output of the detection process."); | |
d56410e0 | 5278 | } |
1da177e4 LT |
5279 | |
5280 | if (ov->customid == 70) /* USB Life TV (PAL/SECAM) */ | |
5281 | ov->pal = 1; | |
5282 | ||
5283 | if (write_regvals(ov, aRegvalsInit511)) | |
5284 | goto error; | |
5285 | ||
5286 | if (ov->led_policy == LED_OFF || ov->led_policy == LED_AUTO) | |
5287 | ov51x_led_control(ov, 0); | |
5288 | ||
5289 | /* The OV511+ has undocumented bits in the flow control register. | |
5290 | * Setting it to 0xff fixes the corruption with moving objects. */ | |
5291 | if (ov->bridge == BRG_OV511) { | |
5292 | if (write_regvals(ov, aRegvalsNorm511)) | |
5293 | goto error; | |
5294 | } else if (ov->bridge == BRG_OV511PLUS) { | |
5295 | if (write_regvals(ov, aRegvalsNorm511Plus)) | |
5296 | goto error; | |
5297 | } else { | |
5298 | err("Invalid bridge"); | |
5299 | } | |
5300 | ||
5301 | if (ov511_init_compression(ov)) | |
5302 | goto error; | |
5303 | ||
5304 | ov->packet_numbering = 1; | |
5305 | ov511_set_packet_size(ov, 0); | |
5306 | ||
5307 | ov->snap_enabled = snapshot; | |
5308 | ||
5309 | /* Test for 7xx0 */ | |
5310 | PDEBUG(3, "Testing for 0V7xx0"); | |
5311 | ov->primary_i2c_slave = OV7xx0_SID; | |
5312 | if (ov51x_set_slave_ids(ov, OV7xx0_SID) < 0) | |
5313 | goto error; | |
5314 | ||
5315 | if (i2c_w(ov, 0x12, 0x80) < 0) { | |
5316 | /* Test for 6xx0 */ | |
5317 | PDEBUG(3, "Testing for 0V6xx0"); | |
5318 | ov->primary_i2c_slave = OV6xx0_SID; | |
5319 | if (ov51x_set_slave_ids(ov, OV6xx0_SID) < 0) | |
5320 | goto error; | |
5321 | ||
5322 | if (i2c_w(ov, 0x12, 0x80) < 0) { | |
5323 | /* Test for 8xx0 */ | |
5324 | PDEBUG(3, "Testing for 0V8xx0"); | |
5325 | ov->primary_i2c_slave = OV8xx0_SID; | |
5326 | if (ov51x_set_slave_ids(ov, OV8xx0_SID) < 0) | |
5327 | goto error; | |
5328 | ||
5329 | if (i2c_w(ov, 0x12, 0x80) < 0) { | |
5330 | /* Test for SAA7111A */ | |
5331 | PDEBUG(3, "Testing for SAA7111A"); | |
5332 | ov->primary_i2c_slave = SAA7111A_SID; | |
5333 | if (ov51x_set_slave_ids(ov, SAA7111A_SID) < 0) | |
5334 | goto error; | |
5335 | ||
5336 | if (i2c_w(ov, 0x0d, 0x00) < 0) { | |
5337 | /* Test for KS0127 */ | |
5338 | PDEBUG(3, "Testing for KS0127"); | |
5339 | ov->primary_i2c_slave = KS0127_SID; | |
5340 | if (ov51x_set_slave_ids(ov, KS0127_SID) < 0) | |
5341 | goto error; | |
5342 | ||
5343 | if (i2c_w(ov, 0x10, 0x00) < 0) { | |
5344 | err("Can't determine sensor slave IDs"); | |
d56410e0 | 5345 | goto error; |
1da177e4 LT |
5346 | } else { |
5347 | if (ks0127_configure(ov) < 0) { | |
5348 | err("Failed to configure KS0127"); | |
d56410e0 | 5349 | goto error; |
1da177e4 LT |
5350 | } |
5351 | } | |
5352 | } else { | |
5353 | if (saa7111a_configure(ov) < 0) { | |
5354 | err("Failed to configure SAA7111A"); | |
d56410e0 | 5355 | goto error; |
1da177e4 LT |
5356 | } |
5357 | } | |
5358 | } else { | |
5359 | err("Detected unsupported OV8xx0 sensor"); | |
5360 | goto error; | |
5361 | } | |
5362 | } else { | |
5363 | if (ov6xx0_configure(ov) < 0) { | |
5364 | err("Failed to configure OV6xx0"); | |
d56410e0 | 5365 | goto error; |
1da177e4 LT |
5366 | } |
5367 | } | |
5368 | } else { | |
5369 | if (ov7xx0_configure(ov) < 0) { | |
5370 | err("Failed to configure OV7xx0"); | |
d56410e0 | 5371 | goto error; |
1da177e4 LT |
5372 | } |
5373 | } | |
5374 | ||
5375 | return 0; | |
5376 | ||
5377 | error: | |
5378 | err("OV511 Config failed"); | |
5379 | ||
5380 | return -EBUSY; | |
5381 | } | |
5382 | ||
5383 | /* This initializes the OV518/OV518+ and the sensor */ | |
5384 | static int | |
5385 | ov518_configure(struct usb_ov511 *ov) | |
5386 | { | |
5387 | /* For 518 and 518+ */ | |
5388 | static struct ov511_regvals aRegvalsInit518[] = { | |
5389 | { OV511_REG_BUS, R51x_SYS_RESET, 0x40 }, | |
d56410e0 MCC |
5390 | { OV511_REG_BUS, R51x_SYS_INIT, 0xe1 }, |
5391 | { OV511_REG_BUS, R51x_SYS_RESET, 0x3e }, | |
1da177e4 LT |
5392 | { OV511_REG_BUS, R51x_SYS_INIT, 0xe1 }, |
5393 | { OV511_REG_BUS, R51x_SYS_RESET, 0x00 }, | |
5394 | { OV511_REG_BUS, R51x_SYS_INIT, 0xe1 }, | |
d56410e0 | 5395 | { OV511_REG_BUS, 0x46, 0x00 }, |
1da177e4 LT |
5396 | { OV511_REG_BUS, 0x5d, 0x03 }, |
5397 | { OV511_DONE_BUS, 0x0, 0x00}, | |
5398 | }; | |
5399 | ||
5400 | static struct ov511_regvals aRegvalsNorm518[] = { | |
5401 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x02 }, /* Reset */ | |
5402 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x01 }, /* Enable */ | |
5403 | { OV511_REG_BUS, 0x31, 0x0f }, | |
5404 | { OV511_REG_BUS, 0x5d, 0x03 }, | |
5405 | { OV511_REG_BUS, 0x24, 0x9f }, | |
5406 | { OV511_REG_BUS, 0x25, 0x90 }, | |
5407 | { OV511_REG_BUS, 0x20, 0x00 }, | |
5408 | { OV511_REG_BUS, 0x51, 0x04 }, | |
5409 | { OV511_REG_BUS, 0x71, 0x19 }, | |
5410 | { OV511_DONE_BUS, 0x0, 0x00 }, | |
5411 | }; | |
5412 | ||
5413 | static struct ov511_regvals aRegvalsNorm518Plus[] = { | |
5414 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x02 }, /* Reset */ | |
5415 | { OV511_REG_BUS, R51x_SYS_SNAP, 0x01 }, /* Enable */ | |
5416 | { OV511_REG_BUS, 0x31, 0x0f }, | |
5417 | { OV511_REG_BUS, 0x5d, 0x03 }, | |
5418 | { OV511_REG_BUS, 0x24, 0x9f }, | |
5419 | { OV511_REG_BUS, 0x25, 0x90 }, | |
5420 | { OV511_REG_BUS, 0x20, 0x60 }, | |
5421 | { OV511_REG_BUS, 0x51, 0x02 }, | |
5422 | { OV511_REG_BUS, 0x71, 0x19 }, | |
5423 | { OV511_REG_BUS, 0x40, 0xff }, | |
5424 | { OV511_REG_BUS, 0x41, 0x42 }, | |
5425 | { OV511_REG_BUS, 0x46, 0x00 }, | |
5426 | { OV511_REG_BUS, 0x33, 0x04 }, | |
5427 | { OV511_REG_BUS, 0x21, 0x19 }, | |
5428 | { OV511_REG_BUS, 0x3f, 0x10 }, | |
5429 | { OV511_DONE_BUS, 0x0, 0x00 }, | |
5430 | }; | |
5431 | ||
5432 | PDEBUG(4, ""); | |
5433 | ||
5434 | /* First 5 bits of custom ID reg are a revision ID on OV518 */ | |
a482f327 GKH |
5435 | dev_info(&ov->dev->dev, "Device revision %d\n", |
5436 | 0x1F & reg_r(ov, R511_SYS_CUST_ID)); | |
1da177e4 LT |
5437 | |
5438 | /* Give it the default description */ | |
5439 | ov->desc = symbolic(camlist, 0); | |
5440 | ||
5441 | if (write_regvals(ov, aRegvalsInit518)) | |
5442 | goto error; | |
5443 | ||
5444 | /* Set LED GPIO pin to output mode */ | |
5445 | if (reg_w_mask(ov, 0x57, 0x00, 0x02) < 0) | |
5446 | goto error; | |
5447 | ||
5448 | /* LED is off by default with OV518; have to explicitly turn it on */ | |
5449 | if (ov->led_policy == LED_OFF || ov->led_policy == LED_AUTO) | |
5450 | ov51x_led_control(ov, 0); | |
5451 | else | |
5452 | ov51x_led_control(ov, 1); | |
5453 | ||
5454 | /* Don't require compression if dumppix is enabled; otherwise it's | |
5455 | * required. OV518 has no uncompressed mode, to save RAM. */ | |
5456 | if (!dumppix && !ov->compress) { | |
5457 | ov->compress = 1; | |
aa82661b GKH |
5458 | dev_warn(&ov->dev->dev, |
5459 | "Compression required with OV518...enabling\n"); | |
1da177e4 LT |
5460 | } |
5461 | ||
5462 | if (ov->bridge == BRG_OV518) { | |
5463 | if (write_regvals(ov, aRegvalsNorm518)) | |
5464 | goto error; | |
5465 | } else if (ov->bridge == BRG_OV518PLUS) { | |
5466 | if (write_regvals(ov, aRegvalsNorm518Plus)) | |
5467 | goto error; | |
5468 | } else { | |
5469 | err("Invalid bridge"); | |
5470 | } | |
5471 | ||
5472 | if (reg_w(ov, 0x2f, 0x80) < 0) | |
5473 | goto error; | |
5474 | ||
5475 | if (ov518_init_compression(ov)) | |
5476 | goto error; | |
5477 | ||
5478 | if (ov->bridge == BRG_OV518) | |
5479 | { | |
5480 | struct usb_interface *ifp; | |
5481 | struct usb_host_interface *alt; | |
5482 | __u16 mxps = 0; | |
5483 | ||
5484 | ifp = usb_ifnum_to_if(ov->dev, 0); | |
5485 | if (ifp) { | |
5486 | alt = usb_altnum_to_altsetting(ifp, 7); | |
5487 | if (alt) | |
5488 | mxps = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); | |
5489 | } | |
5490 | ||
5491 | /* Some OV518s have packet numbering by default, some don't */ | |
5492 | if (mxps == 897) | |
5493 | ov->packet_numbering = 1; | |
5494 | else | |
5495 | ov->packet_numbering = 0; | |
5496 | } else { | |
5497 | /* OV518+ has packet numbering turned on by default */ | |
5498 | ov->packet_numbering = 1; | |
5499 | } | |
5500 | ||
5501 | ov518_set_packet_size(ov, 0); | |
5502 | ||
5503 | ov->snap_enabled = snapshot; | |
5504 | ||
5505 | /* Test for 76xx */ | |
5506 | ov->primary_i2c_slave = OV7xx0_SID; | |
5507 | if (ov51x_set_slave_ids(ov, OV7xx0_SID) < 0) | |
5508 | goto error; | |
5509 | ||
5510 | /* The OV518 must be more aggressive about sensor detection since | |
5511 | * I2C write will never fail if the sensor is not present. We have | |
5512 | * to try to initialize the sensor to detect its presence */ | |
5513 | ||
5514 | if (init_ov_sensor(ov) < 0) { | |
5515 | /* Test for 6xx0 */ | |
5516 | ov->primary_i2c_slave = OV6xx0_SID; | |
5517 | if (ov51x_set_slave_ids(ov, OV6xx0_SID) < 0) | |
5518 | goto error; | |
5519 | ||
5520 | if (init_ov_sensor(ov) < 0) { | |
5521 | /* Test for 8xx0 */ | |
5522 | ov->primary_i2c_slave = OV8xx0_SID; | |
5523 | if (ov51x_set_slave_ids(ov, OV8xx0_SID) < 0) | |
5524 | goto error; | |
5525 | ||
5526 | if (init_ov_sensor(ov) < 0) { | |
5527 | err("Can't determine sensor slave IDs"); | |
d56410e0 | 5528 | goto error; |
1da177e4 LT |
5529 | } else { |
5530 | err("Detected unsupported OV8xx0 sensor"); | |
5531 | goto error; | |
5532 | } | |
5533 | } else { | |
5534 | if (ov6xx0_configure(ov) < 0) { | |
5535 | err("Failed to configure OV6xx0"); | |
d56410e0 | 5536 | goto error; |
1da177e4 LT |
5537 | } |
5538 | } | |
5539 | } else { | |
5540 | if (ov7xx0_configure(ov) < 0) { | |
5541 | err("Failed to configure OV7xx0"); | |
d56410e0 | 5542 | goto error; |
1da177e4 LT |
5543 | } |
5544 | } | |
5545 | ||
5546 | ov->maxwidth = 352; | |
5547 | ov->maxheight = 288; | |
5548 | ||
5549 | // The OV518 cannot go as low as the sensor can | |
5550 | ov->minwidth = 160; | |
5551 | ov->minheight = 120; | |
5552 | ||
5553 | return 0; | |
5554 | ||
5555 | error: | |
5556 | err("OV518 Config failed"); | |
5557 | ||
5558 | return -EBUSY; | |
5559 | } | |
5560 | ||
5561 | /**************************************************************************** | |
5562 | * sysfs | |
5563 | ***************************************************************************/ | |
5564 | ||
54bd5b66 | 5565 | static inline struct usb_ov511 *cd_to_ov(struct device *cd) |
1da177e4 LT |
5566 | { |
5567 | struct video_device *vdev = to_video_device(cd); | |
5568 | return video_get_drvdata(vdev); | |
5569 | } | |
5570 | ||
54bd5b66 KS |
5571 | static ssize_t show_custom_id(struct device *cd, |
5572 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5573 | { |
5574 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5575 | return sprintf(buf, "%d\n", ov->customid); | |
d56410e0 | 5576 | } |
54bd5b66 | 5577 | static DEVICE_ATTR(custom_id, S_IRUGO, show_custom_id, NULL); |
1da177e4 | 5578 | |
54bd5b66 KS |
5579 | static ssize_t show_model(struct device *cd, |
5580 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5581 | { |
5582 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5583 | return sprintf(buf, "%s\n", ov->desc); | |
d56410e0 | 5584 | } |
54bd5b66 | 5585 | static DEVICE_ATTR(model, S_IRUGO, show_model, NULL); |
1da177e4 | 5586 | |
54bd5b66 KS |
5587 | static ssize_t show_bridge(struct device *cd, |
5588 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5589 | { |
5590 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5591 | return sprintf(buf, "%s\n", symbolic(brglist, ov->bridge)); | |
d56410e0 | 5592 | } |
54bd5b66 | 5593 | static DEVICE_ATTR(bridge, S_IRUGO, show_bridge, NULL); |
1da177e4 | 5594 | |
54bd5b66 KS |
5595 | static ssize_t show_sensor(struct device *cd, |
5596 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5597 | { |
5598 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5599 | return sprintf(buf, "%s\n", symbolic(senlist, ov->sensor)); | |
d56410e0 | 5600 | } |
54bd5b66 | 5601 | static DEVICE_ATTR(sensor, S_IRUGO, show_sensor, NULL); |
1da177e4 | 5602 | |
54bd5b66 KS |
5603 | static ssize_t show_brightness(struct device *cd, |
5604 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5605 | { |
5606 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5607 | unsigned short x; | |
5608 | ||
5609 | if (!ov->dev) | |
5610 | return -ENODEV; | |
5611 | sensor_get_brightness(ov, &x); | |
5612 | return sprintf(buf, "%d\n", x >> 8); | |
d56410e0 | 5613 | } |
54bd5b66 | 5614 | static DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL); |
1da177e4 | 5615 | |
54bd5b66 KS |
5616 | static ssize_t show_saturation(struct device *cd, |
5617 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5618 | { |
5619 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5620 | unsigned short x; | |
5621 | ||
5622 | if (!ov->dev) | |
5623 | return -ENODEV; | |
5624 | sensor_get_saturation(ov, &x); | |
5625 | return sprintf(buf, "%d\n", x >> 8); | |
d56410e0 | 5626 | } |
54bd5b66 | 5627 | static DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL); |
1da177e4 | 5628 | |
54bd5b66 KS |
5629 | static ssize_t show_contrast(struct device *cd, |
5630 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5631 | { |
5632 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5633 | unsigned short x; | |
5634 | ||
5635 | if (!ov->dev) | |
5636 | return -ENODEV; | |
5637 | sensor_get_contrast(ov, &x); | |
5638 | return sprintf(buf, "%d\n", x >> 8); | |
d56410e0 | 5639 | } |
54bd5b66 | 5640 | static DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL); |
1da177e4 | 5641 | |
54bd5b66 KS |
5642 | static ssize_t show_hue(struct device *cd, |
5643 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5644 | { |
5645 | struct usb_ov511 *ov = cd_to_ov(cd); | |
5646 | unsigned short x; | |
5647 | ||
5648 | if (!ov->dev) | |
5649 | return -ENODEV; | |
5650 | sensor_get_hue(ov, &x); | |
5651 | return sprintf(buf, "%d\n", x >> 8); | |
d56410e0 | 5652 | } |
54bd5b66 | 5653 | static DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL); |
1da177e4 | 5654 | |
54bd5b66 KS |
5655 | static ssize_t show_exposure(struct device *cd, |
5656 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
5657 | { |
5658 | struct usb_ov511 *ov = cd_to_ov(cd); | |
addf36fe | 5659 | unsigned char exp = 0; |
1da177e4 LT |
5660 | |
5661 | if (!ov->dev) | |
5662 | return -ENODEV; | |
5663 | sensor_get_exposure(ov, &exp); | |
92762abc | 5664 | return sprintf(buf, "%d\n", exp); |
d56410e0 | 5665 | } |
54bd5b66 | 5666 | static DEVICE_ATTR(exposure, S_IRUGO, show_exposure, NULL); |
1da177e4 | 5667 | |
2444a2fc | 5668 | static int ov_create_sysfs(struct video_device *vdev) |
1da177e4 | 5669 | { |
2444a2fc JG |
5670 | int rc; |
5671 | ||
f894dfd7 | 5672 | rc = device_create_file(&vdev->dev, &dev_attr_custom_id); |
2444a2fc | 5673 | if (rc) goto err; |
f894dfd7 | 5674 | rc = device_create_file(&vdev->dev, &dev_attr_model); |
2444a2fc | 5675 | if (rc) goto err_id; |
f894dfd7 | 5676 | rc = device_create_file(&vdev->dev, &dev_attr_bridge); |
2444a2fc | 5677 | if (rc) goto err_model; |
f894dfd7 | 5678 | rc = device_create_file(&vdev->dev, &dev_attr_sensor); |
2444a2fc | 5679 | if (rc) goto err_bridge; |
f894dfd7 | 5680 | rc = device_create_file(&vdev->dev, &dev_attr_brightness); |
2444a2fc | 5681 | if (rc) goto err_sensor; |
f894dfd7 | 5682 | rc = device_create_file(&vdev->dev, &dev_attr_saturation); |
2444a2fc | 5683 | if (rc) goto err_bright; |
f894dfd7 | 5684 | rc = device_create_file(&vdev->dev, &dev_attr_contrast); |
2444a2fc | 5685 | if (rc) goto err_sat; |
f894dfd7 | 5686 | rc = device_create_file(&vdev->dev, &dev_attr_hue); |
2444a2fc | 5687 | if (rc) goto err_contrast; |
f894dfd7 | 5688 | rc = device_create_file(&vdev->dev, &dev_attr_exposure); |
2444a2fc JG |
5689 | if (rc) goto err_hue; |
5690 | ||
5691 | return 0; | |
5692 | ||
5693 | err_hue: | |
f894dfd7 | 5694 | device_remove_file(&vdev->dev, &dev_attr_hue); |
2444a2fc | 5695 | err_contrast: |
f894dfd7 | 5696 | device_remove_file(&vdev->dev, &dev_attr_contrast); |
2444a2fc | 5697 | err_sat: |
f894dfd7 | 5698 | device_remove_file(&vdev->dev, &dev_attr_saturation); |
2444a2fc | 5699 | err_bright: |
f894dfd7 | 5700 | device_remove_file(&vdev->dev, &dev_attr_brightness); |
2444a2fc | 5701 | err_sensor: |
f894dfd7 | 5702 | device_remove_file(&vdev->dev, &dev_attr_sensor); |
2444a2fc | 5703 | err_bridge: |
f894dfd7 | 5704 | device_remove_file(&vdev->dev, &dev_attr_bridge); |
2444a2fc | 5705 | err_model: |
f894dfd7 | 5706 | device_remove_file(&vdev->dev, &dev_attr_model); |
2444a2fc | 5707 | err_id: |
f894dfd7 | 5708 | device_remove_file(&vdev->dev, &dev_attr_custom_id); |
2444a2fc JG |
5709 | err: |
5710 | return rc; | |
1da177e4 LT |
5711 | } |
5712 | ||
5713 | /**************************************************************************** | |
5714 | * USB routines | |
5715 | ***************************************************************************/ | |
5716 | ||
5717 | static int | |
5718 | ov51x_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
5719 | { | |
5720 | struct usb_device *dev = interface_to_usbdev(intf); | |
5721 | struct usb_interface_descriptor *idesc; | |
5722 | struct usb_ov511 *ov; | |
5723 | int i; | |
5724 | ||
5725 | PDEBUG(1, "probing for device..."); | |
5726 | ||
5727 | /* We don't handle multi-config cameras */ | |
5728 | if (dev->descriptor.bNumConfigurations != 1) | |
5729 | return -ENODEV; | |
5730 | ||
5731 | idesc = &intf->cur_altsetting->desc; | |
5732 | ||
5733 | if (idesc->bInterfaceClass != 0xFF) | |
5734 | return -ENODEV; | |
5735 | if (idesc->bInterfaceSubClass != 0x00) | |
5736 | return -ENODEV; | |
5737 | ||
80b6ca48 | 5738 | if ((ov = kzalloc(sizeof(*ov), GFP_KERNEL)) == NULL) { |
1da177e4 LT |
5739 | err("couldn't kmalloc ov struct"); |
5740 | goto error_out; | |
5741 | } | |
5742 | ||
1da177e4 LT |
5743 | ov->dev = dev; |
5744 | ov->iface = idesc->bInterfaceNumber; | |
5745 | ov->led_policy = led; | |
5746 | ov->compress = compress; | |
5747 | ov->lightfreq = lightfreq; | |
5748 | ov->num_inputs = 1; /* Video decoder init functs. change this */ | |
5749 | ov->stop_during_set = !fastset; | |
5750 | ov->backlight = backlight; | |
5751 | ov->mirror = mirror; | |
5752 | ov->auto_brt = autobright; | |
5753 | ov->auto_gain = autogain; | |
5754 | ov->auto_exp = autoexp; | |
5755 | ||
5756 | switch (le16_to_cpu(dev->descriptor.idProduct)) { | |
5757 | case PROD_OV511: | |
5758 | ov->bridge = BRG_OV511; | |
5759 | ov->bclass = BCL_OV511; | |
5760 | break; | |
5761 | case PROD_OV511PLUS: | |
5762 | ov->bridge = BRG_OV511PLUS; | |
5763 | ov->bclass = BCL_OV511; | |
5764 | break; | |
5765 | case PROD_OV518: | |
5766 | ov->bridge = BRG_OV518; | |
5767 | ov->bclass = BCL_OV518; | |
5768 | break; | |
5769 | case PROD_OV518PLUS: | |
5770 | ov->bridge = BRG_OV518PLUS; | |
5771 | ov->bclass = BCL_OV518; | |
5772 | break; | |
5773 | case PROD_ME2CAM: | |
5774 | if (le16_to_cpu(dev->descriptor.idVendor) != VEND_MATTEL) | |
5775 | goto error; | |
5776 | ov->bridge = BRG_OV511PLUS; | |
5777 | ov->bclass = BCL_OV511; | |
5778 | break; | |
5779 | default: | |
5780 | err("Unknown product ID 0x%04x", le16_to_cpu(dev->descriptor.idProduct)); | |
5781 | goto error; | |
5782 | } | |
5783 | ||
a482f327 GKH |
5784 | dev_info(&intf->dev, "USB %s video device found\n", |
5785 | symbolic(brglist, ov->bridge)); | |
1da177e4 LT |
5786 | |
5787 | init_waitqueue_head(&ov->wq); | |
5788 | ||
4186ecf8 AV |
5789 | mutex_init(&ov->lock); /* to 1 == available */ |
5790 | mutex_init(&ov->buf_lock); | |
5791 | mutex_init(&ov->i2c_lock); | |
5792 | mutex_init(&ov->cbuf_lock); | |
1da177e4 LT |
5793 | |
5794 | ov->buf_state = BUF_NOT_ALLOCATED; | |
5795 | ||
5796 | if (usb_make_path(dev, ov->usb_path, OV511_USB_PATH_LEN) < 0) { | |
5797 | err("usb_make_path error"); | |
5798 | goto error; | |
5799 | } | |
5800 | ||
5801 | /* Allocate control transfer buffer. */ | |
5802 | /* Must be kmalloc()'ed, for DMA compatibility */ | |
5803 | ov->cbuf = kmalloc(OV511_CBUF_SIZE, GFP_KERNEL); | |
5804 | if (!ov->cbuf) | |
5805 | goto error; | |
5806 | ||
5807 | if (ov->bclass == BCL_OV518) { | |
5808 | if (ov518_configure(ov) < 0) | |
5809 | goto error; | |
5810 | } else { | |
5811 | if (ov511_configure(ov) < 0) | |
5812 | goto error; | |
5813 | } | |
5814 | ||
5815 | for (i = 0; i < OV511_NUMFRAMES; i++) { | |
5816 | ov->frame[i].framenum = i; | |
5817 | init_waitqueue_head(&ov->frame[i].wq); | |
5818 | } | |
5819 | ||
5820 | for (i = 0; i < OV511_NUMSBUF; i++) { | |
5821 | ov->sbuf[i].ov = ov; | |
5822 | spin_lock_init(&ov->sbuf[i].lock); | |
5823 | ov->sbuf[i].n = i; | |
5824 | } | |
5825 | ||
5826 | /* Unnecessary? (This is done on open(). Need to make sure variables | |
5827 | * are properly initialized without this before removing it, though). */ | |
5828 | if (ov51x_set_default_params(ov) < 0) | |
5829 | goto error; | |
5830 | ||
5831 | #ifdef OV511_DEBUG | |
5832 | if (dump_bridge) { | |
5833 | if (ov->bclass == BCL_OV511) | |
5834 | ov511_dump_regs(ov); | |
5835 | else | |
5836 | ov518_dump_regs(ov); | |
5837 | } | |
5838 | #endif | |
5839 | ||
5840 | ov->vdev = video_device_alloc(); | |
5841 | if (!ov->vdev) | |
5842 | goto error; | |
5843 | ||
5844 | memcpy(ov->vdev, &vdev_template, sizeof(*ov->vdev)); | |
5e85e732 | 5845 | ov->vdev->parent = &intf->dev; |
1da177e4 LT |
5846 | video_set_drvdata(ov->vdev, ov); |
5847 | ||
5848 | for (i = 0; i < OV511_MAX_UNIT_VIDEO; i++) { | |
5849 | /* Minor 0 cannot be specified; assume user wants autodetect */ | |
5850 | if (unit_video[i] == 0) | |
5851 | break; | |
5852 | ||
5853 | if (video_register_device(ov->vdev, VFL_TYPE_GRABBER, | |
5854 | unit_video[i]) >= 0) { | |
5855 | break; | |
5856 | } | |
5857 | } | |
5858 | ||
5859 | /* Use the next available one */ | |
5860 | if ((ov->vdev->minor == -1) && | |
5861 | video_register_device(ov->vdev, VFL_TYPE_GRABBER, -1) < 0) { | |
5862 | err("video_register_device failed"); | |
5863 | goto error; | |
5864 | } | |
5865 | ||
a482f327 GKH |
5866 | dev_info(&intf->dev, "Device at %s registered to minor %d\n", |
5867 | ov->usb_path, ov->vdev->minor); | |
1da177e4 LT |
5868 | |
5869 | usb_set_intfdata(intf, ov); | |
2444a2fc JG |
5870 | if (ov_create_sysfs(ov->vdev)) { |
5871 | err("ov_create_sysfs failed"); | |
5872 | goto error; | |
5873 | } | |
5874 | ||
1da177e4 LT |
5875 | return 0; |
5876 | ||
5877 | error: | |
5878 | if (ov->vdev) { | |
5879 | if (-1 == ov->vdev->minor) | |
5880 | video_device_release(ov->vdev); | |
5881 | else | |
5882 | video_unregister_device(ov->vdev); | |
5883 | ov->vdev = NULL; | |
5884 | } | |
5885 | ||
5886 | if (ov->cbuf) { | |
4186ecf8 | 5887 | mutex_lock(&ov->cbuf_lock); |
1da177e4 LT |
5888 | kfree(ov->cbuf); |
5889 | ov->cbuf = NULL; | |
4186ecf8 | 5890 | mutex_unlock(&ov->cbuf_lock); |
1da177e4 LT |
5891 | } |
5892 | ||
1bc3c9e1 JJ |
5893 | kfree(ov); |
5894 | ov = NULL; | |
1da177e4 LT |
5895 | |
5896 | error_out: | |
5897 | err("Camera initialization failed"); | |
5898 | return -EIO; | |
5899 | } | |
5900 | ||
5901 | static void | |
5902 | ov51x_disconnect(struct usb_interface *intf) | |
5903 | { | |
5904 | struct usb_ov511 *ov = usb_get_intfdata(intf); | |
5905 | int n; | |
5906 | ||
5907 | PDEBUG(3, ""); | |
5908 | ||
5909 | usb_set_intfdata (intf, NULL); | |
5910 | ||
5911 | if (!ov) | |
5912 | return; | |
5913 | ||
5914 | if (ov->vdev) | |
5915 | video_unregister_device(ov->vdev); | |
5916 | ||
5917 | for (n = 0; n < OV511_NUMFRAMES; n++) | |
5918 | ov->frame[n].grabstate = FRAME_ERROR; | |
5919 | ||
5920 | ov->curframe = -1; | |
5921 | ||
5922 | /* This will cause the process to request another frame */ | |
5923 | for (n = 0; n < OV511_NUMFRAMES; n++) | |
5924 | wake_up_interruptible(&ov->frame[n].wq); | |
5925 | ||
5926 | wake_up_interruptible(&ov->wq); | |
5927 | ||
5928 | ov->streaming = 0; | |
5929 | ov51x_unlink_isoc(ov); | |
5930 | ||
5931 | ov->dev = NULL; | |
5932 | ||
5933 | /* Free the memory */ | |
5934 | if (ov && !ov->user) { | |
4186ecf8 | 5935 | mutex_lock(&ov->cbuf_lock); |
1da177e4 LT |
5936 | kfree(ov->cbuf); |
5937 | ov->cbuf = NULL; | |
4186ecf8 | 5938 | mutex_unlock(&ov->cbuf_lock); |
1da177e4 LT |
5939 | |
5940 | ov51x_dealloc(ov); | |
5941 | kfree(ov); | |
5942 | ov = NULL; | |
5943 | } | |
5944 | ||
5945 | PDEBUG(3, "Disconnect complete"); | |
5946 | } | |
5947 | ||
5948 | static struct usb_driver ov511_driver = { | |
1da177e4 LT |
5949 | .name = "ov511", |
5950 | .id_table = device_table, | |
5951 | .probe = ov51x_probe, | |
5952 | .disconnect = ov51x_disconnect | |
5953 | }; | |
5954 | ||
5955 | /**************************************************************************** | |
5956 | * | |
5957 | * Module routines | |
5958 | * | |
5959 | ***************************************************************************/ | |
5960 | ||
1da177e4 LT |
5961 | static int __init |
5962 | usb_ov511_init(void) | |
5963 | { | |
5964 | int retval; | |
5965 | ||
5966 | retval = usb_register(&ov511_driver); | |
5967 | if (retval) | |
5968 | goto out; | |
5969 | ||
a482f327 GKH |
5970 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
5971 | DRIVER_DESC "\n"); | |
1da177e4 LT |
5972 | |
5973 | out: | |
5974 | return retval; | |
5975 | } | |
5976 | ||
5977 | static void __exit | |
5978 | usb_ov511_exit(void) | |
5979 | { | |
5980 | usb_deregister(&ov511_driver); | |
a482f327 | 5981 | printk(KERN_INFO KBUILD_MODNAME ": driver deregistered\n"); |
1da177e4 LT |
5982 | } |
5983 | ||
5984 | module_init(usb_ov511_init); | |
5985 | module_exit(usb_ov511_exit); | |
5986 |