aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/gspca/spca561.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/gspca/spca561.c')
-rw-r--r--drivers/media/video/gspca/spca561.c1025
1 files changed, 1025 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c
new file mode 100644
index 00000000000..a94e6270115
--- /dev/null
+++ b/drivers/media/video/gspca/spca561.c
@@ -0,0 +1,1025 @@
1/*
2 * Sunplus spca561 subdriver
3 *
4 * Copyright (C) 2004 Michel Xhaard mxhaard@magic.fr
5 *
6 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23#define MODULE_NAME "spca561"
24
25#include "gspca.h"
26
27#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 0)
28static const char version[] = "2.1.0";
29
30MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
31MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
32MODULE_LICENSE("GPL");
33
34/* specific webcam descriptor */
35struct sd {
36 struct gspca_dev gspca_dev; /* !! must be the first item */
37
38 unsigned short contrast;
39 __u8 brightness;
40 __u8 autogain;
41
42 __u8 chip_revision;
43 signed char ag_cnt;
44#define AG_CNT_START 13
45};
46
47/* V4L2 controls supported by the driver */
48static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
49static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
50static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
51static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
52static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
53static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
54
55static struct ctrl sd_ctrls[] = {
56#define SD_BRIGHTNESS 0
57 {
58 {
59 .id = V4L2_CID_BRIGHTNESS,
60 .type = V4L2_CTRL_TYPE_INTEGER,
61 .name = "Brightness",
62 .minimum = 0,
63 .maximum = 63,
64 .step = 1,
65 .default_value = 32,
66 },
67 .set = sd_setbrightness,
68 .get = sd_getbrightness,
69 },
70#define SD_CONTRAST 1
71 {
72 {
73 .id = V4L2_CID_CONTRAST,
74 .type = V4L2_CTRL_TYPE_INTEGER,
75 .name = "Contrast",
76 .minimum = 0,
77 .maximum = 0x3fff,
78 .step = 1,
79 .default_value = 0x2000,
80 },
81 .set = sd_setcontrast,
82 .get = sd_getcontrast,
83 },
84#define SD_AUTOGAIN 2
85 {
86 {
87 .id = V4L2_CID_AUTOGAIN,
88 .type = V4L2_CTRL_TYPE_BOOLEAN,
89 .name = "Auto Gain",
90 .minimum = 0,
91 .maximum = 1,
92 .step = 1,
93 .default_value = 1,
94 },
95 .set = sd_setautogain,
96 .get = sd_getautogain,
97 },
98};
99
100static struct cam_mode sif_mode[] = {
101 {V4L2_PIX_FMT_SPCA561, 160, 120, 3},
102 {V4L2_PIX_FMT_SPCA561, 176, 144, 2},
103 {V4L2_PIX_FMT_SPCA561, 320, 240, 1},
104 {V4L2_PIX_FMT_SPCA561, 352, 288, 0},
105};
106
107/*
108 * Initialization data
109 * I'm not very sure how to split initialization from open data
110 * chunks. For now, we'll consider everything as initialization
111 */
112/* Frame packet header offsets for the spca561 */
113#define SPCA561_OFFSET_SNAP 1
114#define SPCA561_OFFSET_TYPE 2
115#define SPCA561_OFFSET_COMPRESS 3
116#define SPCA561_OFFSET_FRAMSEQ 4
117#define SPCA561_OFFSET_GPIO 5
118#define SPCA561_OFFSET_USBBUFF 6
119#define SPCA561_OFFSET_WIN2GRAVE 7
120#define SPCA561_OFFSET_WIN2RAVE 8
121#define SPCA561_OFFSET_WIN2BAVE 9
122#define SPCA561_OFFSET_WIN2GBAVE 10
123#define SPCA561_OFFSET_WIN1GRAVE 11
124#define SPCA561_OFFSET_WIN1RAVE 12
125#define SPCA561_OFFSET_WIN1BAVE 13
126#define SPCA561_OFFSET_WIN1GBAVE 14
127#define SPCA561_OFFSET_FREQ 15
128#define SPCA561_OFFSET_VSYNC 16
129#define SPCA561_OFFSET_DATA 1
130#define SPCA561_INDEX_I2C_BASE 0x8800
131#define SPCA561_SNAPBIT 0x20
132#define SPCA561_SNAPCTRL 0x40
133enum {
134 Rev072A = 0,
135 Rev012A,
136};
137
138static void reg_w_val(struct usb_device *dev, __u16 index, __u16 value)
139{
140 int ret;
141
142 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
143 0, /* request */
144 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
145 value, index, NULL, 0, 500);
146 PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
147 if (ret < 0)
148 PDEBUG(D_ERR, "reg write: error %d", ret);
149}
150
151static void write_vector(struct gspca_dev *gspca_dev, __u16 data[][2])
152{
153 struct usb_device *dev = gspca_dev->dev;
154 int i;
155
156 i = 0;
157 while (data[i][1] != 0) {
158 reg_w_val(dev, data[i][1], data[i][0]);
159 i++;
160 }
161}
162
163static void reg_r(struct usb_device *dev,
164 __u16 index, __u8 *buffer, __u16 length)
165{
166 usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
167 0, /* request */
168 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
169 0, /* value */
170 index, buffer, length, 500);
171}
172
173static void reg_w_buf(struct usb_device *dev,
174 __u16 index, __u8 *buffer, __u16 length)
175{
176 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
177 0, /* request */
178 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
179 0, /* value */
180 index, buffer, length, 500);
181}
182
183static void i2c_init(struct gspca_dev *gspca_dev, __u8 mode)
184{
185 reg_w_val(gspca_dev->dev, 0x92, 0x8804);
186 reg_w_val(gspca_dev->dev, mode, 0x8802);
187}
188
189static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
190{
191 int retry = 60;
192 __u8 DataLow;
193 __u8 DataHight;
194 __u8 Data;
195
196 DataLow = valeur;
197 DataHight = valeur >> 8;
198 reg_w_val(gspca_dev->dev, reg, 0x8801);
199 reg_w_val(gspca_dev->dev, DataLow, 0x8805);
200 reg_w_val(gspca_dev->dev, DataHight, 0x8800);
201 while (retry--) {
202 reg_r(gspca_dev->dev, 0x8803, &Data, 1);
203 if (!Data)
204 break;
205 }
206}
207
208static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
209{
210 int retry = 60;
211 __u8 value;
212 __u8 vallsb;
213 __u8 Data;
214
215 reg_w_val(gspca_dev->dev, 0x92, 0x8804);
216 reg_w_val(gspca_dev->dev, reg, 0x8801);
217 reg_w_val(gspca_dev->dev, (mode | 0x01), 0x8802);
218 while (retry--) {
219 reg_r(gspca_dev->dev, 0x8803, &Data, 1);
220 if (!Data)
221 break;
222 }
223 if (retry == 0)
224 return -1;
225 reg_r(gspca_dev->dev, 0x8800, &value, 1);
226 reg_r(gspca_dev->dev, 0x8805, &vallsb, 1);
227 return ((int) value << 8) | vallsb;
228}
229
230static __u16 spca561_init_data[][2] = {
231 {0x0000, 0x8114}, /* Software GPIO output data */
232 {0x0001, 0x8114}, /* Software GPIO output data */
233 {0x0000, 0x8112}, /* Some kind of reset */
234 {0x0003, 0x8701}, /* PCLK clock delay adjustment */
235 {0x0001, 0x8703}, /* HSYNC from cmos inverted */
236 {0x0011, 0x8118}, /* Enable and conf sensor */
237 {0x0001, 0x8118}, /* Conf sensor */
238 {0x0092, 0x8804}, /* I know nothing about these */
239 {0x0010, 0x8802}, /* 0x88xx registers, so I won't */
240 /***************/
241 {0x000d, 0x8805}, /* sensor default setting */
242 {0x0001, 0x8801}, /* 1 <- 0x0d */
243 {0x0000, 0x8800},
244 {0x0018, 0x8805},
245 {0x0002, 0x8801}, /* 2 <- 0x18 */
246 {0x0000, 0x8800},
247 {0x0065, 0x8805},
248 {0x0004, 0x8801}, /* 4 <- 0x01 0x65 */
249 {0x0001, 0x8800},
250 {0x0021, 0x8805},
251 {0x0005, 0x8801}, /* 5 <- 0x21 */
252 {0x0000, 0x8800},
253 {0x00aa, 0x8805},
254 {0x0007, 0x8801}, /* 7 <- 0xaa */
255 {0x0000, 0x8800},
256 {0x0004, 0x8805},
257 {0x0020, 0x8801}, /* 0x20 <- 0x15 0x04 */
258 {0x0015, 0x8800},
259 {0x0002, 0x8805},
260 {0x0039, 0x8801}, /* 0x39 <- 0x02 */
261 {0x0000, 0x8800},
262 {0x0010, 0x8805},
263 {0x0035, 0x8801}, /* 0x35 <- 0x10 */
264 {0x0000, 0x8800},
265 {0x0049, 0x8805},
266 {0x0009, 0x8801}, /* 0x09 <- 0x10 0x49 */
267 {0x0010, 0x8800},
268 {0x000b, 0x8805},
269 {0x0028, 0x8801}, /* 0x28 <- 0x0b */
270 {0x0000, 0x8800},
271 {0x000f, 0x8805},
272 {0x003b, 0x8801}, /* 0x3b <- 0x0f */
273 {0x0000, 0x8800},
274 {0x0000, 0x8805},
275 {0x003c, 0x8801}, /* 0x3c <- 0x00 */
276 {0x0000, 0x8800},
277 /***************/
278 {0x0018, 0x8601}, /* Pixel/line selection for color separation */
279 {0x0000, 0x8602}, /* Optical black level for user setting */
280 {0x0060, 0x8604}, /* Optical black horizontal offset */
281 {0x0002, 0x8605}, /* Optical black vertical offset */
282 {0x0000, 0x8603}, /* Non-automatic optical black level */
283 {0x0002, 0x865b}, /* Horizontal offset for valid pixels */
284 {0x0000, 0x865f}, /* Vertical valid pixels window (x2) */
285 {0x00b0, 0x865d}, /* Horizontal valid pixels window (x2) */
286 {0x0090, 0x865e}, /* Vertical valid lines window (x2) */
287 {0x00e0, 0x8406}, /* Memory buffer threshold */
288 {0x0000, 0x8660}, /* Compensation memory stuff */
289 {0x0002, 0x8201}, /* Output address for r/w serial EEPROM */
290 {0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
291 {0x0001, 0x8200}, /* OprMode to be executed by hardware */
292 {0x0007, 0x8201}, /* Output address for r/w serial EEPROM */
293 {0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
294 {0x0001, 0x8200}, /* OprMode to be executed by hardware */
295 {0x0010, 0x8660}, /* Compensation memory stuff */
296 {0x0018, 0x8660}, /* Compensation memory stuff */
297
298 {0x0004, 0x8611}, /* R offset for white balance */
299 {0x0004, 0x8612}, /* Gr offset for white balance */
300 {0x0007, 0x8613}, /* B offset for white balance */
301 {0x0000, 0x8614}, /* Gb offset for white balance */
302 {0x008c, 0x8651}, /* R gain for white balance */
303 {0x008c, 0x8652}, /* Gr gain for white balance */
304 {0x00b5, 0x8653}, /* B gain for white balance */
305 {0x008c, 0x8654}, /* Gb gain for white balance */
306 {0x0002, 0x8502}, /* Maximum average bit rate stuff */
307
308 {0x0011, 0x8802},
309 {0x0087, 0x8700}, /* Set master clock (96Mhz????) */
310 {0x0081, 0x8702}, /* Master clock output enable */
311
312 {0x0000, 0x8500}, /* Set image type (352x288 no compression) */
313 /* Originally was 0x0010 (352x288 compression) */
314
315 {0x0002, 0x865b}, /* Horizontal offset for valid pixels */
316 {0x0003, 0x865c}, /* Vertical offset for valid lines */
317 /***************//* sensor active */
318 {0x0003, 0x8801}, /* 0x03 <- 0x01 0x21 //289 */
319 {0x0021, 0x8805},
320 {0x0001, 0x8800},
321 {0x0004, 0x8801}, /* 0x04 <- 0x01 0x65 //357 */
322 {0x0065, 0x8805},
323 {0x0001, 0x8800},
324 {0x0005, 0x8801}, /* 0x05 <- 0x2f */
325 {0x002f, 0x8805},
326 {0x0000, 0x8800},
327 {0x0006, 0x8801}, /* 0x06 <- 0 */
328 {0x0000, 0x8805},
329 {0x0000, 0x8800},
330 {0x000a, 0x8801}, /* 0x0a <- 2 */
331 {0x0002, 0x8805},
332 {0x0000, 0x8800},
333 {0x0009, 0x8801}, /* 0x09 <- 0x1061 */
334 {0x0061, 0x8805},
335 {0x0010, 0x8800},
336 {0x0035, 0x8801}, /* 0x35 <-0x14 */
337 {0x0014, 0x8805},
338 {0x0000, 0x8800},
339 {0x0030, 0x8112}, /* ISO and drop packet enable */
340 {0x0000, 0x8112}, /* Some kind of reset ???? */
341 {0x0009, 0x8118}, /* Enable sensor and set standby */
342 {0x0000, 0x8114}, /* Software GPIO output data */
343 {0x0000, 0x8114}, /* Software GPIO output data */
344 {0x0001, 0x8114}, /* Software GPIO output data */
345 {0x0000, 0x8112}, /* Some kind of reset ??? */
346 {0x0003, 0x8701},
347 {0x0001, 0x8703},
348 {0x0011, 0x8118},
349 {0x0001, 0x8118},
350 /***************/
351 {0x0092, 0x8804},
352 {0x0010, 0x8802},
353 {0x000d, 0x8805},
354 {0x0001, 0x8801},
355 {0x0000, 0x8800},
356 {0x0018, 0x8805},
357 {0x0002, 0x8801},
358 {0x0000, 0x8800},
359 {0x0065, 0x8805},
360 {0x0004, 0x8801},
361 {0x0001, 0x8800},
362 {0x0021, 0x8805},
363 {0x0005, 0x8801},
364 {0x0000, 0x8800},
365 {0x00aa, 0x8805},
366 {0x0007, 0x8801}, /* mode 0xaa */
367 {0x0000, 0x8800},
368 {0x0004, 0x8805},
369 {0x0020, 0x8801},
370 {0x0015, 0x8800}, /* mode 0x0415 */
371 {0x0002, 0x8805},
372 {0x0039, 0x8801},
373 {0x0000, 0x8800},
374 {0x0010, 0x8805},
375 {0x0035, 0x8801},
376 {0x0000, 0x8800},
377 {0x0049, 0x8805},
378 {0x0009, 0x8801},
379 {0x0010, 0x8800},
380 {0x000b, 0x8805},
381 {0x0028, 0x8801},
382 {0x0000, 0x8800},
383 {0x000f, 0x8805},
384 {0x003b, 0x8801},
385 {0x0000, 0x8800},
386 {0x0000, 0x8805},
387 {0x003c, 0x8801},
388 {0x0000, 0x8800},
389 {0x0002, 0x8502},
390 {0x0039, 0x8801},
391 {0x0000, 0x8805},
392 {0x0000, 0x8800},
393
394 {0x0087, 0x8700}, /* overwrite by start */
395 {0x0081, 0x8702},
396 {0x0000, 0x8500},
397/* {0x0010, 0x8500}, -- Previous line was this */
398 {0x0002, 0x865b},
399 {0x0003, 0x865c},
400 /***************/
401 {0x0003, 0x8801}, /* 0x121-> 289 */
402 {0x0021, 0x8805},
403 {0x0001, 0x8800},
404 {0x0004, 0x8801}, /* 0x165 -> 357 */
405 {0x0065, 0x8805},
406 {0x0001, 0x8800},
407 {0x0005, 0x8801}, /* 0x2f //blanking control colonne */
408 {0x002f, 0x8805},
409 {0x0000, 0x8800},
410 {0x0006, 0x8801}, /* 0x00 //blanking mode row */
411 {0x0000, 0x8805},
412 {0x0000, 0x8800},
413 {0x000a, 0x8801}, /* 0x01 //0x02 */
414 {0x0001, 0x8805},
415 {0x0000, 0x8800},
416 {0x0009, 0x8801}, /* 0x1061 - setexposure times && pixel clock
417 * 0001 0 | 000 0110 0001 */
418 {0x0061, 0x8805}, /* 61 31 */
419 {0x0008, 0x8800}, /* 08 */
420 {0x0035, 0x8801}, /* 0x14 - set gain general */
421 {0x001f, 0x8805}, /* 0x14 */
422 {0x0000, 0x8800},
423 {0x0030, 0x8112},
424 {}
425};
426
427static void sensor_reset(struct gspca_dev *gspca_dev)
428{
429 reg_w_val(gspca_dev->dev, 0x8631, 0xc8);
430 reg_w_val(gspca_dev->dev, 0x8634, 0xc8);
431 reg_w_val(gspca_dev->dev, 0x8112, 0x00);
432 reg_w_val(gspca_dev->dev, 0x8114, 0x00);
433 reg_w_val(gspca_dev->dev, 0x8118, 0x21);
434 i2c_init(gspca_dev, 0x14);
435 i2c_write(gspca_dev, 1, 0x0d);
436 i2c_write(gspca_dev, 0, 0x0d);
437}
438
439/******************** QC Express etch2 stuff ********************/
440static __u16 Pb100_1map8300[][2] = {
441 /* reg, value */
442 {0x8320, 0x3304},
443
444 {0x8303, 0x0125}, /* image area */
445 {0x8304, 0x0169},
446 {0x8328, 0x000b},
447 {0x833c, 0x0001},
448
449 {0x832f, 0x0419},
450 {0x8307, 0x00aa},
451 {0x8301, 0x0003},
452 {0x8302, 0x000e},
453 {}
454};
455static __u16 Pb100_2map8300[][2] = {
456 /* reg, value */
457 {0x8339, 0x0000},
458 {0x8307, 0x00aa},
459 {}
460};
461
462static __u16 spca561_161rev12A_data1[][2] = {
463 {0x21, 0x8118},
464 {0x01, 0x8114},
465 {0x00, 0x8112},
466 {0x92, 0x8804},
467 {0x04, 0x8802}, /* windows uses 08 */
468 {}
469};
470static __u16 spca561_161rev12A_data2[][2] = {
471 {0x21, 0x8118},
472 {0x10, 0x8500},
473 {0x07, 0x8601},
474 {0x07, 0x8602},
475 {0x04, 0x8501},
476 {0x21, 0x8118},
477
478 {0x07, 0x8201}, /* windows uses 02 */
479 {0x08, 0x8200},
480 {0x01, 0x8200},
481
482 {0x00, 0x8114},
483 {0x01, 0x8114}, /* windows uses 00 */
484
485 {0x90, 0x8604},
486 {0x00, 0x8605},
487 {0xb0, 0x8603},
488
489 /* sensor gains */
490 {0x00, 0x8610}, /* *red */
491 {0x00, 0x8611}, /* 3f *green */
492 {0x00, 0x8612}, /* green *blue */
493 {0x00, 0x8613}, /* blue *green */
494 {0x35, 0x8614}, /* green *red */
495 {0x35, 0x8615}, /* 40 *green */
496 {0x35, 0x8616}, /* 7a *blue */
497 {0x35, 0x8617}, /* 40 *green */
498
499 {0x0c, 0x8620}, /* 0c */
500 {0xc8, 0x8631}, /* c8 */
501 {0xc8, 0x8634}, /* c8 */
502 {0x23, 0x8635}, /* 23 */
503 {0x1f, 0x8636}, /* 1f */
504 {0xdd, 0x8637}, /* dd */
505 {0xe1, 0x8638}, /* e1 */
506 {0x1d, 0x8639}, /* 1d */
507 {0x21, 0x863a}, /* 21 */
508 {0xe3, 0x863b}, /* e3 */
509 {0xdf, 0x863c}, /* df */
510 {0xf0, 0x8505},
511 {0x32, 0x850a},
512 {}
513};
514
515static void sensor_mapwrite(struct gspca_dev *gspca_dev,
516 __u16 sensormap[][2])
517{
518 int i = 0;
519 __u8 usbval[2];
520
521 while (sensormap[i][0]) {
522 usbval[0] = sensormap[i][1];
523 usbval[1] = sensormap[i][1] >> 8;
524 reg_w_buf(gspca_dev->dev, sensormap[i][0], usbval, 2);
525 i++;
526 }
527}
528static void init_161rev12A(struct gspca_dev *gspca_dev)
529{
530 sensor_reset(gspca_dev);
531 write_vector(gspca_dev, spca561_161rev12A_data1);
532 sensor_mapwrite(gspca_dev, Pb100_1map8300);
533 write_vector(gspca_dev, spca561_161rev12A_data2);
534 sensor_mapwrite(gspca_dev, Pb100_2map8300);
535}
536
537/* this function is called at probe time */
538static int sd_config(struct gspca_dev *gspca_dev,
539 const struct usb_device_id *id)
540{
541 struct sd *sd = (struct sd *) gspca_dev;
542 struct usb_device *dev = gspca_dev->dev;
543 struct cam *cam;
544 __u16 vendor, product;
545 __u8 data1, data2;
546
547 /* Read frm global register the USB product and vendor IDs, just to
548 * prove that we can communicate with the device. This works, which
549 * confirms at we are communicating properly and that the device
550 * is a 561. */
551 reg_r(dev, 0x8104, &data1, 1);
552 reg_r(dev, 0x8105, &data2, 1);
553 vendor = (data2 << 8) | data1;
554 reg_r(dev, 0x8106, &data1, 1);
555 reg_r(dev, 0x8107, &data2, 1);
556 product = (data2 << 8) | data1;
557 if (vendor != id->idVendor || product != id->idProduct) {
558 PDEBUG(D_PROBE, "Bad vendor / product from device");
559 return -EINVAL;
560 }
561 switch (product) {
562 case 0x0928:
563 case 0x0929:
564 case 0x092a:
565 case 0x092b:
566 case 0x092c:
567 case 0x092d:
568 case 0x092e:
569 case 0x092f:
570 case 0x403b:
571 sd->chip_revision = Rev012A;
572 break;
573 default:
574/* case 0x0561:
575 case 0x0815: * ?? in spca508.c
576 case 0x401a:
577 case 0x7004:
578 case 0x7e50:
579 case 0xa001:
580 case 0xcdee: */
581 sd->chip_revision = Rev072A;
582 break;
583 }
584 cam = &gspca_dev->cam;
585 cam->dev_name = (char *) id->driver_info;
586 cam->epaddr = 0x01;
587 gspca_dev->nbalt = 7 + 1; /* choose alternate 7 first */
588 cam->cam_mode = sif_mode;
589 cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
590 sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
591 sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
592 sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
593 return 0;
594}
595
596/* this function is called at open time */
597static int sd_open(struct gspca_dev *gspca_dev)
598{
599 struct sd *sd = (struct sd *) gspca_dev;
600
601 switch (sd->chip_revision) {
602 case Rev072A:
603 PDEBUG(D_STREAM, "Chip revision id: 072a");
604 write_vector(gspca_dev, spca561_init_data);
605 break;
606 default:
607/* case Rev012A: */
608 PDEBUG(D_STREAM, "Chip revision id: 012a");
609 init_161rev12A(gspca_dev);
610 break;
611 }
612 return 0;
613}
614
615static void setcontrast(struct gspca_dev *gspca_dev)
616{
617 struct sd *sd = (struct sd *) gspca_dev;
618 struct usb_device *dev = gspca_dev->dev;
619 __u8 lowb;
620 int expotimes;
621
622 switch (sd->chip_revision) {
623 case Rev072A:
624 lowb = sd->contrast >> 8;
625 reg_w_val(dev, lowb, 0x8651);
626 reg_w_val(dev, lowb, 0x8652);
627 reg_w_val(dev, lowb, 0x8653);
628 reg_w_val(dev, lowb, 0x8654);
629 break;
630 case Rev012A: {
631 __u8 Reg8391[] =
632 { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 };
633
634 /* Write camera sensor settings */
635 expotimes = (sd->contrast >> 5) & 0x07ff;
636 Reg8391[0] = expotimes & 0xff; /* exposure */
637 Reg8391[1] = 0x18 | (expotimes >> 8);
638 Reg8391[2] = sd->brightness; /* gain */
639 reg_w_buf(dev, 0x8391, Reg8391, 8);
640 reg_w_buf(dev, 0x8390, Reg8391, 8);
641 break;
642 }
643 }
644}
645
646static void sd_start(struct gspca_dev *gspca_dev)
647{
648 struct sd *sd = (struct sd *) gspca_dev;
649 struct usb_device *dev = gspca_dev->dev;
650 int Clck;
651 __u8 Reg8307[] = { 0xaa, 0x00 };
652 int mode;
653
654 mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode;
655 switch (sd->chip_revision) {
656 case Rev072A:
657 switch (mode) {
658 default:
659/* case 0:
660 case 1: */
661 Clck = 0x25;
662 break;
663 case 2:
664 Clck = 0x22;
665 break;
666 case 3:
667 Clck = 0x21;
668 break;
669 }
670 reg_w_val(dev, 0x8500, mode); /* mode */
671 reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */
672 reg_w_val(dev, 0x8112, 0x10 | 0x20);
673 break;
674 default:
675/* case Rev012A: */
676 switch (mode) {
677 case 0:
678 case 1:
679 Clck = 0x8a;
680 break;
681 case 2:
682 Clck = 0x85;
683 break;
684 default:
685 Clck = 0x83;
686 break;
687 }
688 if (mode <= 1) {
689 /* Use compression on 320x240 and above */
690 reg_w_val(dev, 0x8500, 0x10 | mode);
691 } else {
692 /* I couldn't get the compression to work below 320x240
693 * Fortunately at these resolutions the bandwidth
694 * is sufficient to push raw frames at ~20fps */
695 reg_w_val(dev, 0x8500, mode);
696 } /* -- qq@kuku.eu.org */
697 reg_w_buf(dev, 0x8307, Reg8307, 2);
698 reg_w_val(dev, 0x8700, Clck); /* 0x8f 0x85 0x27 clock */
699 reg_w_val(dev, 0x8112, 0x1e | 0x20);
700 reg_w_val(dev, 0x850b, 0x03);
701 setcontrast(gspca_dev);
702 break;
703 }
704}
705
706static void sd_stopN(struct gspca_dev *gspca_dev)
707{
708 reg_w_val(gspca_dev->dev, 0x8112, 0x20);
709}
710
711static void sd_stop0(struct gspca_dev *gspca_dev)
712{
713}
714
715/* this function is called at close time */
716static void sd_close(struct gspca_dev *gspca_dev)
717{
718 reg_w_val(gspca_dev->dev, 0x8114, 0);
719}
720
721static void setautogain(struct gspca_dev *gspca_dev)
722{
723 struct sd *sd = (struct sd *) gspca_dev;
724 int expotimes = 0;
725 int pixelclk = 0;
726 int gainG = 0;
727 __u8 R, Gr, Gb, B;
728 int y;
729 __u8 luma_mean = 110;
730 __u8 luma_delta = 20;
731 __u8 spring = 4;
732
733 switch (sd->chip_revision) {
734 case Rev072A:
735 reg_r(gspca_dev->dev, 0x8621, &Gr, 1);
736 reg_r(gspca_dev->dev, 0x8622, &R, 1);
737 reg_r(gspca_dev->dev, 0x8623, &B, 1);
738 reg_r(gspca_dev->dev, 0x8624, &Gb, 1);
739 y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
740 /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
741 /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
742 /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
743
744 if (y < luma_mean - luma_delta ||
745 y > luma_mean + luma_delta) {
746 expotimes = i2c_read(gspca_dev, 0x09, 0x10);
747 pixelclk = 0x0800;
748 expotimes = expotimes & 0x07ff;
749 /* PDEBUG(D_PACK,
750 "Exposition Times 0x%03X Clock 0x%04X ",
751 expotimes,pixelclk); */
752 gainG = i2c_read(gspca_dev, 0x35, 0x10);
753 /* PDEBUG(D_PACK,
754 "reading Gain register %d", gainG); */
755
756 expotimes += (luma_mean - y) >> spring;
757 gainG += (luma_mean - y) / 50;
758 /* PDEBUG(D_PACK,
759 "compute expotimes %d gain %d",
760 expotimes,gainG); */
761
762 if (gainG > 0x3f)
763 gainG = 0x3f;
764 else if (gainG < 4)
765 gainG = 3;
766 i2c_write(gspca_dev, gainG, 0x35);
767
768 if (expotimes >= 0x0256)
769 expotimes = 0x0256;
770 else if (expotimes < 4)
771 expotimes = 3;
772 i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
773 }
774 break;
775 case Rev012A:
776 /* sensor registers is access and memory mapped to 0x8300 */
777 /* readind all 0x83xx block the sensor */
778 /*
779 * The data from the header seem wrong where is the luma
780 * and chroma mean value
781 * at the moment set exposure in contrast set
782 */
783 break;
784 }
785}
786
787static void sd_pkt_scan(struct gspca_dev *gspca_dev,
788 struct gspca_frame *frame, /* target */
789 __u8 *data, /* isoc packet */
790 int len) /* iso packet length */
791{
792 struct sd *sd = (struct sd *) gspca_dev;
793
794 switch (data[0]) {
795 case 0: /* start of frame */
796 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
797 data, 0);
798 if (sd->ag_cnt >= 0) {
799 if (--sd->ag_cnt < 0) {
800 sd->ag_cnt = AG_CNT_START;
801 setautogain(gspca_dev);
802 }
803 }
804 data += SPCA561_OFFSET_DATA;
805 len -= SPCA561_OFFSET_DATA;
806 if (data[1] & 0x10) {
807 /* compressed bayer */
808 gspca_frame_add(gspca_dev, FIRST_PACKET,
809 frame, data, len);
810 } else {
811 /*fixme: which format?*/
812 data += 20;
813 len -= 20;
814 gspca_frame_add(gspca_dev, FIRST_PACKET,
815 frame, data, len);
816 }
817 return;
818 case 0xff: /* drop */
819/* gspca_dev->last_packet_type = DISCARD_PACKET; */
820 return;
821 }
822 data++;
823 len--;
824 gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
825}
826
827static void setbrightness(struct gspca_dev *gspca_dev)
828{
829 struct sd *sd = (struct sd *) gspca_dev;
830 __u8 value;
831
832 switch (sd->chip_revision) {
833 case Rev072A:
834 value = sd->brightness;
835 reg_w_val(gspca_dev->dev, value, 0x8611);
836 reg_w_val(gspca_dev->dev, value, 0x8612);
837 reg_w_val(gspca_dev->dev, value, 0x8613);
838 reg_w_val(gspca_dev->dev, value, 0x8614);
839 break;
840 default:
841/* case Rev012A: */
842 setcontrast(gspca_dev);
843 break;
844 }
845}
846
847static void getbrightness(struct gspca_dev *gspca_dev)
848{
849 struct sd *sd = (struct sd *) gspca_dev;
850 __u8 value;
851 __u16 tot;
852
853 switch (sd->chip_revision) {
854 case Rev072A:
855 tot = 0;
856 reg_r(gspca_dev->dev, 0x8611, &value, 1);
857 tot += value;
858 reg_r(gspca_dev->dev, 0x8612, &value, 1);
859 tot += value;
860 reg_r(gspca_dev->dev, 0x8613, &value, 1);
861 tot += value;
862 reg_r(gspca_dev->dev, 0x8614, &value, 1);
863 tot += value;
864 sd->brightness = tot >> 2;
865 break;
866 default:
867/* case Rev012A: */
868 /* no way to read sensor settings */
869 break;
870 }
871}
872
873static void getcontrast(struct gspca_dev *gspca_dev)
874{
875 struct sd *sd = (struct sd *) gspca_dev;
876 __u8 value;
877 __u16 tot;
878
879 switch (sd->chip_revision) {
880 case Rev072A:
881 tot = 0;
882 reg_r(gspca_dev->dev, 0x8651, &value, 1);
883 tot += value;
884 reg_r(gspca_dev->dev, 0x8652, &value, 1);
885 tot += value;
886 reg_r(gspca_dev->dev, 0x8653, &value, 1);
887 tot += value;
888 reg_r(gspca_dev->dev, 0x8654, &value, 1);
889 tot += value;
890 sd->contrast = tot << 6;
891 break;
892 default:
893/* case Rev012A: */
894 /* no way to read sensor settings */
895 break;
896 }
897 PDEBUG(D_CONF, "get contrast %d", sd->contrast);
898}
899
900static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
901{
902 struct sd *sd = (struct sd *) gspca_dev;
903
904 sd->brightness = val;
905 if (gspca_dev->streaming)
906 setbrightness(gspca_dev);
907 return 0;
908}
909
910static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
911{
912 struct sd *sd = (struct sd *) gspca_dev;
913
914 getbrightness(gspca_dev);
915 *val = sd->brightness;
916 return 0;
917}
918
919static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
920{
921 struct sd *sd = (struct sd *) gspca_dev;
922
923 sd->contrast = val;
924 if (gspca_dev->streaming)
925 setcontrast(gspca_dev);
926 return 0;
927}
928
929static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
930{
931 struct sd *sd = (struct sd *) gspca_dev;
932
933 getcontrast(gspca_dev);
934 *val = sd->contrast;
935 return 0;
936}
937
938static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
939{
940 struct sd *sd = (struct sd *) gspca_dev;
941
942 sd->autogain = val;
943 if (val)
944 sd->ag_cnt = AG_CNT_START;
945 else
946 sd->ag_cnt = -1;
947 return 0;
948}
949
950static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
951{
952 struct sd *sd = (struct sd *) gspca_dev;
953
954 *val = sd->autogain;
955 return 0;
956}
957
958/* sub-driver description */
959static struct sd_desc sd_desc = {
960 .name = MODULE_NAME,
961 .ctrls = sd_ctrls,
962 .nctrls = ARRAY_SIZE(sd_ctrls),
963 .config = sd_config,
964 .open = sd_open,
965 .start = sd_start,
966 .stopN = sd_stopN,
967 .stop0 = sd_stop0,
968 .close = sd_close,
969 .pkt_scan = sd_pkt_scan,
970};
971
972/* -- module initialisation -- */
973#define DVNM(name) .driver_info = (kernel_ulong_t) name
974static __devinitdata struct usb_device_id device_table[] = {
975 {USB_DEVICE(0x041e, 0x401a), DVNM("Creative Webcam Vista (PD1100)")},
976 {USB_DEVICE(0x041e, 0x403b), DVNM("Creative Webcam Vista (VF0010)")},
977 {USB_DEVICE(0x0458, 0x7004), DVNM("Genius VideoCAM Express V2")},
978 {USB_DEVICE(0x046d, 0x0928), DVNM("Logitech QC Express Etch2")},
979 {USB_DEVICE(0x046d, 0x0929), DVNM("Labtec Webcam Elch2")},
980 {USB_DEVICE(0x046d, 0x092a), DVNM("Logitech QC for Notebook")},
981 {USB_DEVICE(0x046d, 0x092b), DVNM("Labtec Webcam Plus")},
982 {USB_DEVICE(0x046d, 0x092c), DVNM("Logitech QC chat Elch2")},
983 {USB_DEVICE(0x046d, 0x092d), DVNM("Logitech QC Elch2")},
984 {USB_DEVICE(0x046d, 0x092e), DVNM("Logitech QC Elch2")},
985 {USB_DEVICE(0x046d, 0x092f), DVNM("Logitech QC Elch2")},
986 {USB_DEVICE(0x04fc, 0x0561), DVNM("Flexcam 100")},
987 {USB_DEVICE(0x060b, 0xa001), DVNM("Maxell Compact Pc PM3")},
988 {USB_DEVICE(0x10fd, 0x7e50), DVNM("FlyCam Usb 100")},
989 {USB_DEVICE(0xabcd, 0xcdee), DVNM("Petcam")},
990 {}
991};
992
993MODULE_DEVICE_TABLE(usb, device_table);
994
995/* -- device connect -- */
996static int sd_probe(struct usb_interface *intf,
997 const struct usb_device_id *id)
998{
999 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1000 THIS_MODULE);
1001}
1002
1003static struct usb_driver sd_driver = {
1004 .name = MODULE_NAME,
1005 .id_table = device_table,
1006 .probe = sd_probe,
1007 .disconnect = gspca_disconnect,
1008};
1009
1010/* -- module insert / remove -- */
1011static int __init sd_mod_init(void)
1012{
1013 if (usb_register(&sd_driver) < 0)
1014 return -1;
1015 PDEBUG(D_PROBE, "v%s registered", version);
1016 return 0;
1017}
1018static void __exit sd_mod_exit(void)
1019{
1020 usb_deregister(&sd_driver);
1021 PDEBUG(D_PROBE, "deregistered");
1022}
1023
1024module_init(sd_mod_init);
1025module_exit(sd_mod_exit);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 06:39:29 -0500