1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * SPCA505 chip based cameras initialization data
4 *
5 * V4L2 by Jean-Francis Moine <http://moinejf.free.fr>
6 */
7
8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9
10#define MODULE_NAME "spca505"
11
12#include "gspca.h"
13
14MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
15MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
16MODULE_LICENSE("GPL");
17
18/* specific webcam descriptor */
19struct sd {
20 struct gspca_dev gspca_dev; /* !! must be the first item */
21
22 u8 subtype;
23#define IntelPCCameraPro 0
24#define Nxultra 1
25};
26
27static const struct v4l2_pix_format vga_mode[] = {
28 {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
29 .bytesperline = 160,
30 .sizeimage = 160 * 120 * 3 / 2,
31 .colorspace = V4L2_COLORSPACE_SRGB,
32 .priv = 4},
33 {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
34 .bytesperline = 176,
35 .sizeimage = 176 * 144 * 3 / 2,
36 .colorspace = V4L2_COLORSPACE_SRGB,
37 .priv = 3},
38 {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
39 .bytesperline = 320,
40 .sizeimage = 320 * 240 * 3 / 2,
41 .colorspace = V4L2_COLORSPACE_SRGB,
42 .priv = 2},
43 {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
44 .bytesperline = 352,
45 .sizeimage = 352 * 288 * 3 / 2,
46 .colorspace = V4L2_COLORSPACE_SRGB,
47 .priv = 1},
48 {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
49 .bytesperline = 640,
50 .sizeimage = 640 * 480 * 3 / 2,
51 .colorspace = V4L2_COLORSPACE_SRGB,
52 .priv = 0},
53};
54
55#define SPCA50X_OFFSET_DATA 10
56
57#define SPCA50X_REG_USB 0x02 /* spca505 501 */
58
59#define SPCA50X_USB_CTRL 0x00 /* spca505 */
60#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
61
62#define SPCA50X_REG_GLOBAL 0x03 /* spca505 */
63#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
64#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
65
66#define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
67#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
68#define SPCA50X_GMISC3_SAA7113RST 0x20 /* Not sure about this one spca505 */
69
70/* Image format and compression control */
71#define SPCA50X_REG_COMPRESS 0x04
72
73/*
74 * Data to initialize a SPCA505. Common to the CCD and external modes
75 */
76static const u8 spca505_init_data[][3] = {
77 /* bmRequest,value,index */
78 {SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
79 /* Sensor reset */
80 {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
81 {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
82 /* Block USB reset */
83 {SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
84
85 {0x05, 0x01, 0x10},
86 /* Maybe power down some stuff */
87 {0x05, 0x0f, 0x11},
88
89 /* Setup internal CCD ? */
90 {0x06, 0x10, 0x08},
91 {0x06, 0x00, 0x09},
92 {0x06, 0x00, 0x0a},
93 {0x06, 0x00, 0x0b},
94 {0x06, 0x10, 0x0c},
95 {0x06, 0x00, 0x0d},
96 {0x06, 0x00, 0x0e},
97 {0x06, 0x00, 0x0f},
98 {0x06, 0x10, 0x10},
99 {0x06, 0x02, 0x11},
100 {0x06, 0x00, 0x12},
101 {0x06, 0x04, 0x13},
102 {0x06, 0x02, 0x14},
103 {0x06, 0x8a, 0x51},
104 {0x06, 0x40, 0x52},
105 {0x06, 0xb6, 0x53},
106 {0x06, 0x3d, 0x54},
107 {}
108};
109
110/*
111 * Data to initialize the camera using the internal CCD
112 */
113static const u8 spca505_open_data_ccd[][3] = {
114 /* bmRequest,value,index */
115 /* Internal CCD data set */
116 {0x03, 0x04, 0x01},
117 /* This could be a reset */
118 {0x03, 0x00, 0x01},
119
120 /* Setup compression and image registers. 0x6 and 0x7 seem to be
121 related to H&V hold, and are resolution mode specific */
122 {0x04, 0x10, 0x01},
123 /* DIFF(0x50), was (0x10) */
124 {0x04, 0x00, 0x04},
125 {0x04, 0x00, 0x05},
126 {0x04, 0x20, 0x06},
127 {0x04, 0x20, 0x07},
128
129 {0x08, 0x0a, 0x00},
130 /* DIFF (0x4a), was (0xa) */
131
132 {0x05, 0x00, 0x10},
133 {0x05, 0x00, 0x11},
134 {0x05, 0x00, 0x00},
135 /* DIFF not written */
136 {0x05, 0x00, 0x01},
137 /* DIFF not written */
138 {0x05, 0x00, 0x02},
139 /* DIFF not written */
140 {0x05, 0x00, 0x03},
141 /* DIFF not written */
142 {0x05, 0x00, 0x04},
143 /* DIFF not written */
144 {0x05, 0x80, 0x05},
145 /* DIFF not written */
146 {0x05, 0xe0, 0x06},
147 /* DIFF not written */
148 {0x05, 0x20, 0x07},
149 /* DIFF not written */
150 {0x05, 0xa0, 0x08},
151 /* DIFF not written */
152 {0x05, 0x0, 0x12},
153 /* DIFF not written */
154 {0x05, 0x02, 0x0f},
155 /* DIFF not written */
156 {0x05, 0x10, 0x46},
157 /* DIFF not written */
158 {0x05, 0x8, 0x4a},
159 /* DIFF not written */
160
161 {0x03, 0x08, 0x03},
162 /* DIFF (0x3,0x28,0x3) */
163 {0x03, 0x08, 0x01},
164 {0x03, 0x0c, 0x03},
165 /* DIFF not written */
166 {0x03, 0x21, 0x00},
167 /* DIFF (0x39) */
168
169/* Extra block copied from init to hopefully ensure CCD is in a sane state */
170 {0x06, 0x10, 0x08},
171 {0x06, 0x00, 0x09},
172 {0x06, 0x00, 0x0a},
173 {0x06, 0x00, 0x0b},
174 {0x06, 0x10, 0x0c},
175 {0x06, 0x00, 0x0d},
176 {0x06, 0x00, 0x0e},
177 {0x06, 0x00, 0x0f},
178 {0x06, 0x10, 0x10},
179 {0x06, 0x02, 0x11},
180 {0x06, 0x00, 0x12},
181 {0x06, 0x04, 0x13},
182 {0x06, 0x02, 0x14},
183 {0x06, 0x8a, 0x51},
184 {0x06, 0x40, 0x52},
185 {0x06, 0xb6, 0x53},
186 {0x06, 0x3d, 0x54},
187 /* End of extra block */
188
189 {0x06, 0x3f, 0x1},
190 /* Block skipped */
191 {0x06, 0x10, 0x02},
192 {0x06, 0x64, 0x07},
193 {0x06, 0x10, 0x08},
194 {0x06, 0x00, 0x09},
195 {0x06, 0x00, 0x0a},
196 {0x06, 0x00, 0x0b},
197 {0x06, 0x10, 0x0c},
198 {0x06, 0x00, 0x0d},
199 {0x06, 0x00, 0x0e},
200 {0x06, 0x00, 0x0f},
201 {0x06, 0x10, 0x10},
202 {0x06, 0x02, 0x11},
203 {0x06, 0x00, 0x12},
204 {0x06, 0x04, 0x13},
205 {0x06, 0x02, 0x14},
206 {0x06, 0x8a, 0x51},
207 {0x06, 0x40, 0x52},
208 {0x06, 0xb6, 0x53},
209 {0x06, 0x3d, 0x54},
210 {0x06, 0x60, 0x57},
211 {0x06, 0x20, 0x58},
212 {0x06, 0x15, 0x59},
213 {0x06, 0x05, 0x5a},
214
215 {0x05, 0x01, 0xc0},
216 {0x05, 0x10, 0xcb},
217 {0x05, 0x80, 0xc1},
218 /* */
219 {0x05, 0x0, 0xc2},
220 /* 4 was 0 */
221 {0x05, 0x00, 0xca},
222 {0x05, 0x80, 0xc1},
223 /* */
224 {0x05, 0x04, 0xc2},
225 {0x05, 0x00, 0xca},
226 {0x05, 0x0, 0xc1},
227 /* */
228 {0x05, 0x00, 0xc2},
229 {0x05, 0x00, 0xca},
230 {0x05, 0x40, 0xc1},
231 /* */
232 {0x05, 0x17, 0xc2},
233 {0x05, 0x00, 0xca},
234 {0x05, 0x80, 0xc1},
235 /* */
236 {0x05, 0x06, 0xc2},
237 {0x05, 0x00, 0xca},
238 {0x05, 0x80, 0xc1},
239 /* */
240 {0x05, 0x04, 0xc2},
241 {0x05, 0x00, 0xca},
242
243 {0x03, 0x4c, 0x3},
244 {0x03, 0x18, 0x1},
245
246 {0x06, 0x70, 0x51},
247 {0x06, 0xbe, 0x53},
248 {0x06, 0x71, 0x57},
249 {0x06, 0x20, 0x58},
250 {0x06, 0x05, 0x59},
251 {0x06, 0x15, 0x5a},
252
253 {0x04, 0x00, 0x08},
254 /* Compress = OFF (0x1 to turn on) */
255 {0x04, 0x12, 0x09},
256 {0x04, 0x21, 0x0a},
257 {0x04, 0x10, 0x0b},
258 {0x04, 0x21, 0x0c},
259 {0x04, 0x05, 0x00},
260 /* was 5 (Image Type ? ) */
261 {0x04, 0x00, 0x01},
262
263 {0x06, 0x3f, 0x01},
264
265 {0x04, 0x00, 0x04},
266 {0x04, 0x00, 0x05},
267 {0x04, 0x40, 0x06},
268 {0x04, 0x40, 0x07},
269
270 {0x06, 0x1c, 0x17},
271 {0x06, 0xe2, 0x19},
272 {0x06, 0x1c, 0x1b},
273 {0x06, 0xe2, 0x1d},
274 {0x06, 0xaa, 0x1f},
275 {0x06, 0x70, 0x20},
276
277 {0x05, 0x01, 0x10},
278 {0x05, 0x00, 0x11},
279 {0x05, 0x01, 0x00},
280 {0x05, 0x05, 0x01},
281 {0x05, 0x00, 0xc1},
282 /* */
283 {0x05, 0x00, 0xc2},
284 {0x05, 0x00, 0xca},
285
286 {0x06, 0x70, 0x51},
287 {0x06, 0xbe, 0x53},
288 {}
289};
290
291/*
292 * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
293 * SPCA505b chip based cameras initialization data
294 */
295/* jfm */
296#define initial_brightness 0x7f /* 0x0(white)-0xff(black) */
297/* #define initial_brightness 0x0 //0x0(white)-0xff(black) */
298/*
299 * Data to initialize a SPCA505. Common to the CCD and external modes
300 */
301static const u8 spca505b_init_data[][3] = {
302/* start */
303 {0x02, 0x00, 0x00}, /* init */
304 {0x02, 0x00, 0x01},
305 {0x02, 0x00, 0x02},
306 {0x02, 0x00, 0x03},
307 {0x02, 0x00, 0x04},
308 {0x02, 0x00, 0x05},
309 {0x02, 0x00, 0x06},
310 {0x02, 0x00, 0x07},
311 {0x02, 0x00, 0x08},
312 {0x02, 0x00, 0x09},
313 {0x03, 0x00, 0x00},
314 {0x03, 0x00, 0x01},
315 {0x03, 0x00, 0x02},
316 {0x03, 0x00, 0x03},
317 {0x03, 0x00, 0x04},
318 {0x03, 0x00, 0x05},
319 {0x03, 0x00, 0x06},
320 {0x04, 0x00, 0x00},
321 {0x04, 0x00, 0x02},
322 {0x04, 0x00, 0x04},
323 {0x04, 0x00, 0x05},
324 {0x04, 0x00, 0x06},
325 {0x04, 0x00, 0x07},
326 {0x04, 0x00, 0x08},
327 {0x04, 0x00, 0x09},
328 {0x04, 0x00, 0x0a},
329 {0x04, 0x00, 0x0b},
330 {0x04, 0x00, 0x0c},
331 {0x07, 0x00, 0x00},
332 {0x07, 0x00, 0x03},
333 {0x08, 0x00, 0x00},
334 {0x08, 0x00, 0x01},
335 {0x08, 0x00, 0x02},
336 {0x06, 0x18, 0x08},
337 {0x06, 0xfc, 0x09},
338 {0x06, 0xfc, 0x0a},
339 {0x06, 0xfc, 0x0b},
340 {0x06, 0x18, 0x0c},
341 {0x06, 0xfc, 0x0d},
342 {0x06, 0xfc, 0x0e},
343 {0x06, 0xfc, 0x0f},
344 {0x06, 0x18, 0x10},
345 {0x06, 0xfe, 0x12},
346 {0x06, 0x00, 0x11},
347 {0x06, 0x00, 0x14},
348 {0x06, 0x00, 0x13},
349 {0x06, 0x28, 0x51},
350 {0x06, 0xff, 0x53},
351 {0x02, 0x00, 0x08},
352
353 {0x03, 0x00, 0x03},
354 {0x03, 0x10, 0x03},
355 {}
356};
357
358/*
359 * Data to initialize the camera using the internal CCD
360 */
361static const u8 spca505b_open_data_ccd[][3] = {
362
363/* {0x02,0x00,0x00}, */
364 {0x03, 0x04, 0x01}, /* rst */
365 {0x03, 0x00, 0x01},
366 {0x03, 0x00, 0x00},
367 {0x03, 0x21, 0x00},
368 {0x03, 0x00, 0x04},
369 {0x03, 0x00, 0x03},
370 {0x03, 0x18, 0x03},
371 {0x03, 0x08, 0x01},
372 {0x03, 0x1c, 0x03},
373 {0x03, 0x5c, 0x03},
374 {0x03, 0x5c, 0x03},
375 {0x03, 0x18, 0x01},
376
377/* same as 505 */
378 {0x04, 0x10, 0x01},
379 {0x04, 0x00, 0x04},
380 {0x04, 0x00, 0x05},
381 {0x04, 0x20, 0x06},
382 {0x04, 0x20, 0x07},
383
384 {0x08, 0x0a, 0x00},
385
386 {0x05, 0x00, 0x10},
387 {0x05, 0x00, 0x11},
388 {0x05, 0x00, 0x12},
389 {0x05, 0x6f, 0x00},
390 {0x05, initial_brightness >> 6, 0x00},
391 {0x05, (initial_brightness << 2) & 0xff, 0x01},
392 {0x05, 0x00, 0x02},
393 {0x05, 0x01, 0x03},
394 {0x05, 0x00, 0x04},
395 {0x05, 0x03, 0x05},
396 {0x05, 0xe0, 0x06},
397 {0x05, 0x20, 0x07},
398 {0x05, 0xa0, 0x08},
399 {0x05, 0x00, 0x12},
400 {0x05, 0x02, 0x0f},
401 {0x05, 0x80, 0x14}, /* max exposure off (0=on) */
402 {0x05, 0x01, 0xb0},
403 {0x05, 0x01, 0xbf},
404 {0x03, 0x02, 0x06},
405 {0x05, 0x10, 0x46},
406 {0x05, 0x08, 0x4a},
407
408 {0x06, 0x00, 0x01},
409 {0x06, 0x10, 0x02},
410 {0x06, 0x64, 0x07},
411 {0x06, 0x18, 0x08},
412 {0x06, 0xfc, 0x09},
413 {0x06, 0xfc, 0x0a},
414 {0x06, 0xfc, 0x0b},
415 {0x04, 0x00, 0x01},
416 {0x06, 0x18, 0x0c},
417 {0x06, 0xfc, 0x0d},
418 {0x06, 0xfc, 0x0e},
419 {0x06, 0xfc, 0x0f},
420 {0x06, 0x11, 0x10}, /* contrast */
421 {0x06, 0x00, 0x11},
422 {0x06, 0xfe, 0x12},
423 {0x06, 0x00, 0x13},
424 {0x06, 0x00, 0x14},
425 {0x06, 0x9d, 0x51},
426 {0x06, 0x40, 0x52},
427 {0x06, 0x7c, 0x53},
428 {0x06, 0x40, 0x54},
429 {0x06, 0x02, 0x57},
430 {0x06, 0x03, 0x58},
431 {0x06, 0x15, 0x59},
432 {0x06, 0x05, 0x5a},
433 {0x06, 0x03, 0x56},
434 {0x06, 0x02, 0x3f},
435 {0x06, 0x00, 0x40},
436 {0x06, 0x39, 0x41},
437 {0x06, 0x69, 0x42},
438 {0x06, 0x87, 0x43},
439 {0x06, 0x9e, 0x44},
440 {0x06, 0xb1, 0x45},
441 {0x06, 0xbf, 0x46},
442 {0x06, 0xcc, 0x47},
443 {0x06, 0xd5, 0x48},
444 {0x06, 0xdd, 0x49},
445 {0x06, 0xe3, 0x4a},
446 {0x06, 0xe8, 0x4b},
447 {0x06, 0xed, 0x4c},
448 {0x06, 0xf2, 0x4d},
449 {0x06, 0xf7, 0x4e},
450 {0x06, 0xfc, 0x4f},
451 {0x06, 0xff, 0x50},
452
453 {0x05, 0x01, 0xc0},
454 {0x05, 0x10, 0xcb},
455 {0x05, 0x40, 0xc1},
456 {0x05, 0x04, 0xc2},
457 {0x05, 0x00, 0xca},
458 {0x05, 0x40, 0xc1},
459 {0x05, 0x09, 0xc2},
460 {0x05, 0x00, 0xca},
461 {0x05, 0xc0, 0xc1},
462 {0x05, 0x09, 0xc2},
463 {0x05, 0x00, 0xca},
464 {0x05, 0x40, 0xc1},
465 {0x05, 0x59, 0xc2},
466 {0x05, 0x00, 0xca},
467 {0x04, 0x00, 0x01},
468 {0x05, 0x80, 0xc1},
469 {0x05, 0xec, 0xc2},
470 {0x05, 0x0, 0xca},
471
472 {0x06, 0x02, 0x57},
473 {0x06, 0x01, 0x58},
474 {0x06, 0x15, 0x59},
475 {0x06, 0x0a, 0x5a},
476 {0x06, 0x01, 0x57},
477 {0x06, 0x8a, 0x03},
478 {0x06, 0x0a, 0x6c},
479 {0x06, 0x30, 0x01},
480 {0x06, 0x20, 0x02},
481 {0x06, 0x00, 0x03},
482
483 {0x05, 0x8c, 0x25},
484
485 {0x06, 0x4d, 0x51}, /* maybe saturation (4d) */
486 {0x06, 0x84, 0x53}, /* making green (84) */
487 {0x06, 0x00, 0x57}, /* sharpness (1) */
488 {0x06, 0x18, 0x08},
489 {0x06, 0xfc, 0x09},
490 {0x06, 0xfc, 0x0a},
491 {0x06, 0xfc, 0x0b},
492 {0x06, 0x18, 0x0c}, /* maybe hue (18) */
493 {0x06, 0xfc, 0x0d},
494 {0x06, 0xfc, 0x0e},
495 {0x06, 0xfc, 0x0f},
496 {0x06, 0x18, 0x10}, /* maybe contrast (18) */
497
498 {0x05, 0x01, 0x02},
499
500 {0x04, 0x00, 0x08}, /* compression */
501 {0x04, 0x12, 0x09},
502 {0x04, 0x21, 0x0a},
503 {0x04, 0x10, 0x0b},
504 {0x04, 0x21, 0x0c},
505 {0x04, 0x1d, 0x00}, /* imagetype (1d) */
506 {0x04, 0x41, 0x01}, /* hardware snapcontrol */
507
508 {0x04, 0x00, 0x04},
509 {0x04, 0x00, 0x05},
510 {0x04, 0x10, 0x06},
511 {0x04, 0x10, 0x07},
512 {0x04, 0x40, 0x06},
513 {0x04, 0x40, 0x07},
514 {0x04, 0x00, 0x04},
515 {0x04, 0x00, 0x05},
516
517 {0x06, 0x1c, 0x17},
518 {0x06, 0xe2, 0x19},
519 {0x06, 0x1c, 0x1b},
520 {0x06, 0xe2, 0x1d},
521 {0x06, 0x5f, 0x1f},
522 {0x06, 0x32, 0x20},
523
524 {0x05, initial_brightness >> 6, 0x00},
525 {0x05, (initial_brightness << 2) & 0xff, 0x01},
526 {0x05, 0x06, 0xc1},
527 {0x05, 0x58, 0xc2},
528 {0x05, 0x00, 0xca},
529 {0x05, 0x00, 0x11},
530 {}
531};
532
533static int reg_write(struct gspca_dev *gspca_dev,
534 u16 req, u16 index, u16 value)
535{
536 int ret;
537 struct usb_device *dev = gspca_dev->dev;
538
539 ret = usb_control_msg(dev,
540 usb_sndctrlpipe(dev, 0),
541 request: req,
542 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
543 value, index, NULL, size: 0, timeout: 500);
544 gspca_dbg(gspca_dev, D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d\n",
545 req, index, value, ret);
546 if (ret < 0)
547 pr_err("reg write: error %d\n", ret);
548 return ret;
549}
550
551/* returns: negative is error, pos or zero is data */
552static int reg_read(struct gspca_dev *gspca_dev,
553 u16 req, /* bRequest */
554 u16 index) /* wIndex */
555{
556 int ret;
557
558 ret = usb_control_msg(dev: gspca_dev->dev,
559 usb_rcvctrlpipe(gspca_dev->dev, 0),
560 request: req,
561 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
562 value: 0, /* value */
563 index,
564 data: gspca_dev->usb_buf, size: 2,
565 timeout: 500); /* timeout */
566 if (ret < 0)
567 return ret;
568 return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
569}
570
571static int write_vector(struct gspca_dev *gspca_dev,
572 const u8 data[][3])
573{
574 int ret, i = 0;
575
576 while (data[i][0] != 0) {
577 ret = reg_write(gspca_dev, req: data[i][0], index: data[i][2],
578 value: data[i][1]);
579 if (ret < 0)
580 return ret;
581 i++;
582 }
583 return 0;
584}
585
586/* this function is called at probe time */
587static int sd_config(struct gspca_dev *gspca_dev,
588 const struct usb_device_id *id)
589{
590 struct sd *sd = (struct sd *) gspca_dev;
591 struct cam *cam;
592
593 cam = &gspca_dev->cam;
594 cam->cam_mode = vga_mode;
595 sd->subtype = id->driver_info;
596 if (sd->subtype != IntelPCCameraPro)
597 cam->nmodes = ARRAY_SIZE(vga_mode);
598 else /* no 640x480 for IntelPCCameraPro */
599 cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
600
601 return 0;
602}
603
604/* this function is called at probe and resume time */
605static int sd_init(struct gspca_dev *gspca_dev)
606{
607 struct sd *sd = (struct sd *) gspca_dev;
608
609 if (write_vector(gspca_dev,
610 data: sd->subtype == Nxultra
611 ? spca505b_init_data
612 : spca505_init_data))
613 return -EIO;
614 return 0;
615}
616
617static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
618{
619 reg_write(gspca_dev, req: 0x05, index: 0x00, value: (255 - brightness) >> 6);
620 reg_write(gspca_dev, req: 0x05, index: 0x01, value: (255 - brightness) << 2);
621}
622
623static int sd_start(struct gspca_dev *gspca_dev)
624{
625 struct sd *sd = (struct sd *) gspca_dev;
626 int ret, mode;
627 static u8 mode_tb[][3] = {
628 /* r00 r06 r07 */
629 {0x00, 0x10, 0x10}, /* 640x480 */
630 {0x01, 0x1a, 0x1a}, /* 352x288 */
631 {0x02, 0x1c, 0x1d}, /* 320x240 */
632 {0x04, 0x34, 0x34}, /* 176x144 */
633 {0x05, 0x40, 0x40} /* 160x120 */
634 };
635
636 if (sd->subtype == Nxultra)
637 write_vector(gspca_dev, data: spca505b_open_data_ccd);
638 else
639 write_vector(gspca_dev, data: spca505_open_data_ccd);
640 ret = reg_read(gspca_dev, req: 0x06, index: 0x16);
641
642 if (ret < 0) {
643 gspca_err(gspca_dev, "register read failed err: %d\n", ret);
644 return ret;
645 }
646 if (ret != 0x0101) {
647 pr_err("After vector read returns 0x%04x should be 0x0101\n",
648 ret);
649 }
650
651 ret = reg_write(gspca_dev, req: 0x06, index: 0x16, value: 0x0a);
652 if (ret < 0)
653 return ret;
654 reg_write(gspca_dev, req: 0x05, index: 0xc2, value: 0x12);
655
656 /* necessary because without it we can see stream
657 * only once after loading module */
658 /* stopping usb registers Tomasz change */
659 reg_write(gspca_dev, req: 0x02, index: 0x00, value: 0x00);
660
661 mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
662 reg_write(gspca_dev, SPCA50X_REG_COMPRESS, index: 0x00, value: mode_tb[mode][0]);
663 reg_write(gspca_dev, SPCA50X_REG_COMPRESS, index: 0x06, value: mode_tb[mode][1]);
664 reg_write(gspca_dev, SPCA50X_REG_COMPRESS, index: 0x07, value: mode_tb[mode][2]);
665
666 return reg_write(gspca_dev, SPCA50X_REG_USB,
667 SPCA50X_USB_CTRL,
668 SPCA50X_CUSB_ENABLE);
669}
670
671static void sd_stopN(struct gspca_dev *gspca_dev)
672{
673 /* Disable ISO packet machine */
674 reg_write(gspca_dev, req: 0x02, index: 0x00, value: 0x00);
675}
676
677/* called on streamoff with alt 0 and on disconnect */
678static void sd_stop0(struct gspca_dev *gspca_dev)
679{
680 if (!gspca_dev->present)
681 return;
682
683 /* This maybe reset or power control */
684 reg_write(gspca_dev, req: 0x03, index: 0x03, value: 0x20);
685 reg_write(gspca_dev, req: 0x03, index: 0x01, value: 0x00);
686 reg_write(gspca_dev, req: 0x03, index: 0x00, value: 0x01);
687 reg_write(gspca_dev, req: 0x05, index: 0x10, value: 0x01);
688 reg_write(gspca_dev, req: 0x05, index: 0x11, value: 0x0f);
689}
690
691static void sd_pkt_scan(struct gspca_dev *gspca_dev,
692 u8 *data, /* isoc packet */
693 int len) /* iso packet length */
694{
695 switch (data[0]) {
696 case 0: /* start of frame */
697 gspca_frame_add(gspca_dev, packet_type: LAST_PACKET, NULL, len: 0);
698 data += SPCA50X_OFFSET_DATA;
699 len -= SPCA50X_OFFSET_DATA;
700 gspca_frame_add(gspca_dev, packet_type: FIRST_PACKET, data, len);
701 break;
702 case 0xff: /* drop */
703 break;
704 default:
705 data += 1;
706 len -= 1;
707 gspca_frame_add(gspca_dev, packet_type: INTER_PACKET, data, len);
708 break;
709 }
710}
711
712static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
713{
714 struct gspca_dev *gspca_dev =
715 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
716
717 gspca_dev->usb_err = 0;
718
719 if (!gspca_dev->streaming)
720 return 0;
721
722 switch (ctrl->id) {
723 case V4L2_CID_BRIGHTNESS:
724 setbrightness(gspca_dev, brightness: ctrl->val);
725 break;
726 }
727 return gspca_dev->usb_err;
728}
729
730static const struct v4l2_ctrl_ops sd_ctrl_ops = {
731 .s_ctrl = sd_s_ctrl,
732};
733
734static int sd_init_controls(struct gspca_dev *gspca_dev)
735{
736 struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
737
738 gspca_dev->vdev.ctrl_handler = hdl;
739 v4l2_ctrl_handler_init(hdl, 5);
740 v4l2_ctrl_new_std(hdl, ops: &sd_ctrl_ops,
741 V4L2_CID_BRIGHTNESS, min: 0, max: 255, step: 1, def: 127);
742
743 if (hdl->error) {
744 pr_err("Could not initialize controls\n");
745 return hdl->error;
746 }
747 return 0;
748}
749
750/* sub-driver description */
751static const struct sd_desc sd_desc = {
752 .name = MODULE_NAME,
753 .config = sd_config,
754 .init_controls = sd_init_controls,
755 .init = sd_init,
756 .start = sd_start,
757 .stopN = sd_stopN,
758 .stop0 = sd_stop0,
759 .pkt_scan = sd_pkt_scan,
760};
761
762/* -- module initialisation -- */
763static const struct usb_device_id device_table[] = {
764 {USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
765 {USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
766/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
767 {}
768};
769MODULE_DEVICE_TABLE(usb, device_table);
770
771/* -- device connect -- */
772static int sd_probe(struct usb_interface *intf,
773 const struct usb_device_id *id)
774{
775 return gspca_dev_probe(intf, id, sd_desc: &sd_desc, dev_size: sizeof(struct sd),
776 THIS_MODULE);
777}
778
779static struct usb_driver sd_driver = {
780 .name = MODULE_NAME,
781 .id_table = device_table,
782 .probe = sd_probe,
783 .disconnect = gspca_disconnect,
784#ifdef CONFIG_PM
785 .suspend = gspca_suspend,
786 .resume = gspca_resume,
787 .reset_resume = gspca_resume,
788#endif
789};
790
791module_usb_driver(sd_driver);
792

source code of linux/drivers/media/usb/gspca/spca505.c