diff options
Diffstat (limited to 'drivers/media/video/gspca/pac207.c')
-rw-r--r-- | drivers/media/video/gspca/pac207.c | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/pac207.c b/drivers/media/video/gspca/pac207.c new file mode 100644 index 00000000000..81739a2f205 --- /dev/null +++ b/drivers/media/video/gspca/pac207.c | |||
@@ -0,0 +1,581 @@ | |||
1 | /* | ||
2 | * Pixart PAC207BCA library | ||
3 | * | ||
4 | * Copyright (C) 2008 Hans de Goede <hdegoede@redhat.com> | ||
5 | * Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li | ||
6 | * Copyleft (C) 2005 Michel Xhaard mxhaard@magic.fr | ||
7 | * | ||
8 | * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with this program; if not, write to the Free Software | ||
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 | * | ||
24 | */ | ||
25 | |||
26 | #define MODULE_NAME "pac207" | ||
27 | |||
28 | #include <linux/input.h> | ||
29 | #include "gspca.h" | ||
30 | |||
31 | MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); | ||
32 | MODULE_DESCRIPTION("Pixart PAC207"); | ||
33 | MODULE_LICENSE("GPL"); | ||
34 | |||
35 | #define PAC207_CTRL_TIMEOUT 100 /* ms */ | ||
36 | |||
37 | #define PAC207_BRIGHTNESS_MIN 0 | ||
38 | #define PAC207_BRIGHTNESS_MAX 255 | ||
39 | #define PAC207_BRIGHTNESS_DEFAULT 46 | ||
40 | |||
41 | #define PAC207_EXPOSURE_MIN 3 | ||
42 | #define PAC207_EXPOSURE_MAX 26 | ||
43 | #define PAC207_EXPOSURE_DEFAULT 5 /* power on default: 3 */ | ||
44 | #define PAC207_EXPOSURE_KNEE 8 /* 4 = 30 fps, 11 = 8, 15 = 6 */ | ||
45 | |||
46 | #define PAC207_GAIN_MIN 0 | ||
47 | #define PAC207_GAIN_MAX 31 | ||
48 | #define PAC207_GAIN_DEFAULT 9 /* power on default: 9 */ | ||
49 | #define PAC207_GAIN_KNEE 31 | ||
50 | |||
51 | #define PAC207_AUTOGAIN_DEADZONE 30 | ||
52 | |||
53 | /* specific webcam descriptor */ | ||
54 | struct sd { | ||
55 | struct gspca_dev gspca_dev; /* !! must be the first item */ | ||
56 | |||
57 | u8 mode; | ||
58 | |||
59 | u8 brightness; | ||
60 | u8 exposure; | ||
61 | u8 autogain; | ||
62 | u8 gain; | ||
63 | |||
64 | u8 sof_read; | ||
65 | u8 header_read; | ||
66 | u8 autogain_ignore_frames; | ||
67 | |||
68 | atomic_t avg_lum; | ||
69 | }; | ||
70 | |||
71 | /* V4L2 controls supported by the driver */ | ||
72 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); | ||
73 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); | ||
74 | static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val); | ||
75 | static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val); | ||
76 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); | ||
77 | static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); | ||
78 | static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val); | ||
79 | static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val); | ||
80 | |||
81 | static const struct ctrl sd_ctrls[] = { | ||
82 | #define SD_BRIGHTNESS 0 | ||
83 | { | ||
84 | { | ||
85 | .id = V4L2_CID_BRIGHTNESS, | ||
86 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
87 | .name = "Brightness", | ||
88 | .minimum = PAC207_BRIGHTNESS_MIN, | ||
89 | .maximum = PAC207_BRIGHTNESS_MAX, | ||
90 | .step = 1, | ||
91 | .default_value = PAC207_BRIGHTNESS_DEFAULT, | ||
92 | .flags = 0, | ||
93 | }, | ||
94 | .set = sd_setbrightness, | ||
95 | .get = sd_getbrightness, | ||
96 | }, | ||
97 | #define SD_EXPOSURE 1 | ||
98 | { | ||
99 | { | ||
100 | .id = V4L2_CID_EXPOSURE, | ||
101 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
102 | .name = "Exposure", | ||
103 | .minimum = PAC207_EXPOSURE_MIN, | ||
104 | .maximum = PAC207_EXPOSURE_MAX, | ||
105 | .step = 1, | ||
106 | .default_value = PAC207_EXPOSURE_DEFAULT, | ||
107 | .flags = 0, | ||
108 | }, | ||
109 | .set = sd_setexposure, | ||
110 | .get = sd_getexposure, | ||
111 | }, | ||
112 | #define SD_AUTOGAIN 2 | ||
113 | { | ||
114 | { | ||
115 | .id = V4L2_CID_AUTOGAIN, | ||
116 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
117 | .name = "Auto Gain", | ||
118 | .minimum = 0, | ||
119 | .maximum = 1, | ||
120 | .step = 1, | ||
121 | #define AUTOGAIN_DEF 1 | ||
122 | .default_value = AUTOGAIN_DEF, | ||
123 | .flags = 0, | ||
124 | }, | ||
125 | .set = sd_setautogain, | ||
126 | .get = sd_getautogain, | ||
127 | }, | ||
128 | #define SD_GAIN 3 | ||
129 | { | ||
130 | { | ||
131 | .id = V4L2_CID_GAIN, | ||
132 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
133 | .name = "Gain", | ||
134 | .minimum = PAC207_GAIN_MIN, | ||
135 | .maximum = PAC207_GAIN_MAX, | ||
136 | .step = 1, | ||
137 | .default_value = PAC207_GAIN_DEFAULT, | ||
138 | .flags = 0, | ||
139 | }, | ||
140 | .set = sd_setgain, | ||
141 | .get = sd_getgain, | ||
142 | }, | ||
143 | }; | ||
144 | |||
145 | static const struct v4l2_pix_format sif_mode[] = { | ||
146 | {176, 144, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE, | ||
147 | .bytesperline = 176, | ||
148 | .sizeimage = (176 + 2) * 144, | ||
149 | /* uncompressed, add 2 bytes / line for line header */ | ||
150 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
151 | .priv = 1}, | ||
152 | {352, 288, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE, | ||
153 | .bytesperline = 352, | ||
154 | /* compressed, but only when needed (not compressed | ||
155 | when the framerate is low) */ | ||
156 | .sizeimage = (352 + 2) * 288, | ||
157 | .colorspace = V4L2_COLORSPACE_SRGB, | ||
158 | .priv = 0}, | ||
159 | }; | ||
160 | |||
161 | static const __u8 pac207_sensor_init[][8] = { | ||
162 | {0x10, 0x12, 0x0d, 0x12, 0x0c, 0x01, 0x29, 0x84}, | ||
163 | {0x49, 0x64, 0x64, 0x64, 0x04, 0x10, 0xf0, 0x30}, | ||
164 | {0x00, 0x00, 0x00, 0x70, 0xa0, 0xf8, 0x00, 0x00}, | ||
165 | {0x32, 0x00, 0x96, 0x00, 0xa2, 0x02, 0xaf, 0x00}, | ||
166 | }; | ||
167 | |||
168 | static int pac207_write_regs(struct gspca_dev *gspca_dev, u16 index, | ||
169 | const u8 *buffer, u16 length) | ||
170 | { | ||
171 | struct usb_device *udev = gspca_dev->dev; | ||
172 | int err; | ||
173 | |||
174 | memcpy(gspca_dev->usb_buf, buffer, length); | ||
175 | |||
176 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01, | ||
177 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | ||
178 | 0x00, index, | ||
179 | gspca_dev->usb_buf, length, PAC207_CTRL_TIMEOUT); | ||
180 | if (err < 0) | ||
181 | err("Failed to write registers to index 0x%04X, error %d)", | ||
182 | index, err); | ||
183 | |||
184 | return err; | ||
185 | } | ||
186 | |||
187 | |||
188 | static int pac207_write_reg(struct gspca_dev *gspca_dev, u16 index, u16 value) | ||
189 | { | ||
190 | struct usb_device *udev = gspca_dev->dev; | ||
191 | int err; | ||
192 | |||
193 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, | ||
194 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | ||
195 | value, index, NULL, 0, PAC207_CTRL_TIMEOUT); | ||
196 | if (err) | ||
197 | err("Failed to write a register (index 0x%04X," | ||
198 | " value 0x%02X, error %d)", index, value, err); | ||
199 | |||
200 | return err; | ||
201 | } | ||
202 | |||
203 | static int pac207_read_reg(struct gspca_dev *gspca_dev, u16 index) | ||
204 | { | ||
205 | struct usb_device *udev = gspca_dev->dev; | ||
206 | int res; | ||
207 | |||
208 | res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, | ||
209 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | ||
210 | 0x00, index, | ||
211 | gspca_dev->usb_buf, 1, PAC207_CTRL_TIMEOUT); | ||
212 | if (res < 0) { | ||
213 | err("Failed to read a register (index 0x%04X, error %d)", | ||
214 | index, res); | ||
215 | return res; | ||
216 | } | ||
217 | |||
218 | return gspca_dev->usb_buf[0]; | ||
219 | } | ||
220 | |||
221 | /* this function is called at probe time */ | ||
222 | static int sd_config(struct gspca_dev *gspca_dev, | ||
223 | const struct usb_device_id *id) | ||
224 | { | ||
225 | struct sd *sd = (struct sd *) gspca_dev; | ||
226 | struct cam *cam; | ||
227 | u8 idreg[2]; | ||
228 | |||
229 | idreg[0] = pac207_read_reg(gspca_dev, 0x0000); | ||
230 | idreg[1] = pac207_read_reg(gspca_dev, 0x0001); | ||
231 | idreg[0] = ((idreg[0] & 0x0f) << 4) | ((idreg[1] & 0xf0) >> 4); | ||
232 | idreg[1] = idreg[1] & 0x0f; | ||
233 | PDEBUG(D_PROBE, "Pixart Sensor ID 0x%02X Chips ID 0x%02X", | ||
234 | idreg[0], idreg[1]); | ||
235 | |||
236 | if (idreg[0] != 0x27) { | ||
237 | PDEBUG(D_PROBE, "Error invalid sensor ID!"); | ||
238 | return -ENODEV; | ||
239 | } | ||
240 | |||
241 | PDEBUG(D_PROBE, | ||
242 | "Pixart PAC207BCA Image Processor and Control Chip detected" | ||
243 | " (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct); | ||
244 | |||
245 | cam = &gspca_dev->cam; | ||
246 | cam->cam_mode = sif_mode; | ||
247 | cam->nmodes = ARRAY_SIZE(sif_mode); | ||
248 | sd->brightness = PAC207_BRIGHTNESS_DEFAULT; | ||
249 | sd->exposure = PAC207_EXPOSURE_DEFAULT; | ||
250 | sd->gain = PAC207_GAIN_DEFAULT; | ||
251 | sd->autogain = AUTOGAIN_DEF; | ||
252 | |||
253 | return 0; | ||
254 | } | ||
255 | |||
256 | /* this function is called at probe and resume time */ | ||
257 | static int sd_init(struct gspca_dev *gspca_dev) | ||
258 | { | ||
259 | pac207_write_reg(gspca_dev, 0x41, 0x00); | ||
260 | /* Bit_0=Image Format, | ||
261 | * Bit_1=LED, | ||
262 | * Bit_2=Compression test mode enable */ | ||
263 | pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */ | ||
264 | |||
265 | return 0; | ||
266 | } | ||
267 | |||
268 | /* -- start the camera -- */ | ||
269 | static int sd_start(struct gspca_dev *gspca_dev) | ||
270 | { | ||
271 | struct sd *sd = (struct sd *) gspca_dev; | ||
272 | __u8 mode; | ||
273 | |||
274 | pac207_write_reg(gspca_dev, 0x0f, 0x10); /* Power control (Bit 6-0) */ | ||
275 | pac207_write_regs(gspca_dev, 0x0002, pac207_sensor_init[0], 8); | ||
276 | pac207_write_regs(gspca_dev, 0x000a, pac207_sensor_init[1], 8); | ||
277 | pac207_write_regs(gspca_dev, 0x0012, pac207_sensor_init[2], 8); | ||
278 | pac207_write_regs(gspca_dev, 0x0042, pac207_sensor_init[3], 8); | ||
279 | |||
280 | /* Compression Balance */ | ||
281 | if (gspca_dev->width == 176) | ||
282 | pac207_write_reg(gspca_dev, 0x4a, 0xff); | ||
283 | else | ||
284 | pac207_write_reg(gspca_dev, 0x4a, 0x30); | ||
285 | pac207_write_reg(gspca_dev, 0x4b, 0x00); /* Sram test value */ | ||
286 | pac207_write_reg(gspca_dev, 0x08, sd->brightness); | ||
287 | |||
288 | /* PGA global gain (Bit 4-0) */ | ||
289 | pac207_write_reg(gspca_dev, 0x0e, sd->gain); | ||
290 | pac207_write_reg(gspca_dev, 0x02, sd->exposure); /* PXCK = 12MHz /n */ | ||
291 | |||
292 | mode = 0x02; /* Image Format (Bit 0), LED (1), Compr. test mode (2) */ | ||
293 | if (gspca_dev->width == 176) { /* 176x144 */ | ||
294 | mode |= 0x01; | ||
295 | PDEBUG(D_STREAM, "pac207_start mode 176x144"); | ||
296 | } else { /* 352x288 */ | ||
297 | PDEBUG(D_STREAM, "pac207_start mode 352x288"); | ||
298 | } | ||
299 | pac207_write_reg(gspca_dev, 0x41, mode); | ||
300 | |||
301 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | ||
302 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | ||
303 | msleep(10); | ||
304 | pac207_write_reg(gspca_dev, 0x40, 0x01); /* Start ISO pipe */ | ||
305 | |||
306 | sd->sof_read = 0; | ||
307 | sd->autogain_ignore_frames = 0; | ||
308 | atomic_set(&sd->avg_lum, -1); | ||
309 | return 0; | ||
310 | } | ||
311 | |||
312 | static void sd_stopN(struct gspca_dev *gspca_dev) | ||
313 | { | ||
314 | pac207_write_reg(gspca_dev, 0x40, 0x00); /* Stop ISO pipe */ | ||
315 | pac207_write_reg(gspca_dev, 0x41, 0x00); /* Turn of LED */ | ||
316 | pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */ | ||
317 | } | ||
318 | |||
319 | /* Include pac common sof detection functions */ | ||
320 | #include "pac_common.h" | ||
321 | |||
322 | static void pac207_do_auto_gain(struct gspca_dev *gspca_dev) | ||
323 | { | ||
324 | struct sd *sd = (struct sd *) gspca_dev; | ||
325 | int avg_lum = atomic_read(&sd->avg_lum); | ||
326 | |||
327 | if (avg_lum == -1) | ||
328 | return; | ||
329 | |||
330 | if (sd->autogain_ignore_frames > 0) | ||
331 | sd->autogain_ignore_frames--; | ||
332 | else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum, | ||
333 | 100, PAC207_AUTOGAIN_DEADZONE, | ||
334 | PAC207_GAIN_KNEE, PAC207_EXPOSURE_KNEE)) | ||
335 | sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES; | ||
336 | } | ||
337 | |||
338 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | ||
339 | u8 *data, | ||
340 | int len) | ||
341 | { | ||
342 | struct sd *sd = (struct sd *) gspca_dev; | ||
343 | unsigned char *sof; | ||
344 | |||
345 | sof = pac_find_sof(&sd->sof_read, data, len); | ||
346 | if (sof) { | ||
347 | int n; | ||
348 | |||
349 | /* finish decoding current frame */ | ||
350 | n = sof - data; | ||
351 | if (n > sizeof pac_sof_marker) | ||
352 | n -= sizeof pac_sof_marker; | ||
353 | else | ||
354 | n = 0; | ||
355 | gspca_frame_add(gspca_dev, LAST_PACKET, | ||
356 | data, n); | ||
357 | sd->header_read = 0; | ||
358 | gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0); | ||
359 | len -= sof - data; | ||
360 | data = sof; | ||
361 | } | ||
362 | if (sd->header_read < 11) { | ||
363 | int needed; | ||
364 | |||
365 | /* get average lumination from frame header (byte 5) */ | ||
366 | if (sd->header_read < 5) { | ||
367 | needed = 5 - sd->header_read; | ||
368 | if (len >= needed) | ||
369 | atomic_set(&sd->avg_lum, data[needed - 1]); | ||
370 | } | ||
371 | /* skip the rest of the header */ | ||
372 | needed = 11 - sd->header_read; | ||
373 | if (len <= needed) { | ||
374 | sd->header_read += len; | ||
375 | return; | ||
376 | } | ||
377 | data += needed; | ||
378 | len -= needed; | ||
379 | sd->header_read = 11; | ||
380 | } | ||
381 | |||
382 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); | ||
383 | } | ||
384 | |||
385 | static void setbrightness(struct gspca_dev *gspca_dev) | ||
386 | { | ||
387 | struct sd *sd = (struct sd *) gspca_dev; | ||
388 | |||
389 | pac207_write_reg(gspca_dev, 0x08, sd->brightness); | ||
390 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | ||
391 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | ||
392 | } | ||
393 | |||
394 | static void setexposure(struct gspca_dev *gspca_dev) | ||
395 | { | ||
396 | struct sd *sd = (struct sd *) gspca_dev; | ||
397 | |||
398 | pac207_write_reg(gspca_dev, 0x02, sd->exposure); | ||
399 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | ||
400 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | ||
401 | } | ||
402 | |||
403 | static void setgain(struct gspca_dev *gspca_dev) | ||
404 | { | ||
405 | struct sd *sd = (struct sd *) gspca_dev; | ||
406 | |||
407 | pac207_write_reg(gspca_dev, 0x0e, sd->gain); | ||
408 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | ||
409 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | ||
410 | } | ||
411 | |||
412 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) | ||
413 | { | ||
414 | struct sd *sd = (struct sd *) gspca_dev; | ||
415 | |||
416 | sd->brightness = val; | ||
417 | if (gspca_dev->streaming) | ||
418 | setbrightness(gspca_dev); | ||
419 | return 0; | ||
420 | } | ||
421 | |||
422 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) | ||
423 | { | ||
424 | struct sd *sd = (struct sd *) gspca_dev; | ||
425 | |||
426 | *val = sd->brightness; | ||
427 | return 0; | ||
428 | } | ||
429 | |||
430 | static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val) | ||
431 | { | ||
432 | struct sd *sd = (struct sd *) gspca_dev; | ||
433 | |||
434 | sd->exposure = val; | ||
435 | if (gspca_dev->streaming) | ||
436 | setexposure(gspca_dev); | ||
437 | return 0; | ||
438 | } | ||
439 | |||
440 | static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val) | ||
441 | { | ||
442 | struct sd *sd = (struct sd *) gspca_dev; | ||
443 | |||
444 | *val = sd->exposure; | ||
445 | return 0; | ||
446 | } | ||
447 | |||
448 | static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) | ||
449 | { | ||
450 | struct sd *sd = (struct sd *) gspca_dev; | ||
451 | |||
452 | sd->gain = val; | ||
453 | if (gspca_dev->streaming) | ||
454 | setgain(gspca_dev); | ||
455 | return 0; | ||
456 | } | ||
457 | |||
458 | static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val) | ||
459 | { | ||
460 | struct sd *sd = (struct sd *) gspca_dev; | ||
461 | |||
462 | *val = sd->gain; | ||
463 | return 0; | ||
464 | } | ||
465 | |||
466 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) | ||
467 | { | ||
468 | struct sd *sd = (struct sd *) gspca_dev; | ||
469 | |||
470 | sd->autogain = val; | ||
471 | /* when switching to autogain set defaults to make sure | ||
472 | we are on a valid point of the autogain gain / | ||
473 | exposure knee graph, and give this change time to | ||
474 | take effect before doing autogain. */ | ||
475 | if (sd->autogain) { | ||
476 | sd->exposure = PAC207_EXPOSURE_DEFAULT; | ||
477 | sd->gain = PAC207_GAIN_DEFAULT; | ||
478 | if (gspca_dev->streaming) { | ||
479 | sd->autogain_ignore_frames = | ||
480 | PAC_AUTOGAIN_IGNORE_FRAMES; | ||
481 | setexposure(gspca_dev); | ||
482 | setgain(gspca_dev); | ||
483 | } | ||
484 | } | ||
485 | |||
486 | return 0; | ||
487 | } | ||
488 | |||
489 | static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) | ||
490 | { | ||
491 | struct sd *sd = (struct sd *) gspca_dev; | ||
492 | |||
493 | *val = sd->autogain; | ||
494 | return 0; | ||
495 | } | ||
496 | |||
497 | #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) | ||
498 | static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, | ||
499 | u8 *data, /* interrupt packet data */ | ||
500 | int len) /* interrput packet length */ | ||
501 | { | ||
502 | int ret = -EINVAL; | ||
503 | |||
504 | if (len == 2 && data[0] == 0x5a && data[1] == 0x5a) { | ||
505 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1); | ||
506 | input_sync(gspca_dev->input_dev); | ||
507 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); | ||
508 | input_sync(gspca_dev->input_dev); | ||
509 | ret = 0; | ||
510 | } | ||
511 | |||
512 | return ret; | ||
513 | } | ||
514 | #endif | ||
515 | |||
516 | /* sub-driver description */ | ||
517 | static const struct sd_desc sd_desc = { | ||
518 | .name = MODULE_NAME, | ||
519 | .ctrls = sd_ctrls, | ||
520 | .nctrls = ARRAY_SIZE(sd_ctrls), | ||
521 | .config = sd_config, | ||
522 | .init = sd_init, | ||
523 | .start = sd_start, | ||
524 | .stopN = sd_stopN, | ||
525 | .dq_callback = pac207_do_auto_gain, | ||
526 | .pkt_scan = sd_pkt_scan, | ||
527 | #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) | ||
528 | .int_pkt_scan = sd_int_pkt_scan, | ||
529 | #endif | ||
530 | }; | ||
531 | |||
532 | /* -- module initialisation -- */ | ||
533 | static const struct usb_device_id device_table[] = { | ||
534 | {USB_DEVICE(0x041e, 0x4028)}, | ||
535 | {USB_DEVICE(0x093a, 0x2460)}, | ||
536 | {USB_DEVICE(0x093a, 0x2461)}, | ||
537 | {USB_DEVICE(0x093a, 0x2463)}, | ||
538 | {USB_DEVICE(0x093a, 0x2464)}, | ||
539 | {USB_DEVICE(0x093a, 0x2468)}, | ||
540 | {USB_DEVICE(0x093a, 0x2470)}, | ||
541 | {USB_DEVICE(0x093a, 0x2471)}, | ||
542 | {USB_DEVICE(0x093a, 0x2472)}, | ||
543 | {USB_DEVICE(0x093a, 0x2474)}, | ||
544 | {USB_DEVICE(0x093a, 0x2476)}, | ||
545 | {USB_DEVICE(0x145f, 0x013a)}, | ||
546 | {USB_DEVICE(0x2001, 0xf115)}, | ||
547 | {} | ||
548 | }; | ||
549 | MODULE_DEVICE_TABLE(usb, device_table); | ||
550 | |||
551 | /* -- device connect -- */ | ||
552 | static int sd_probe(struct usb_interface *intf, | ||
553 | const struct usb_device_id *id) | ||
554 | { | ||
555 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), | ||
556 | THIS_MODULE); | ||
557 | } | ||
558 | |||
559 | static struct usb_driver sd_driver = { | ||
560 | .name = MODULE_NAME, | ||
561 | .id_table = device_table, | ||
562 | .probe = sd_probe, | ||
563 | .disconnect = gspca_disconnect, | ||
564 | #ifdef CONFIG_PM | ||
565 | .suspend = gspca_suspend, | ||
566 | .resume = gspca_resume, | ||
567 | #endif | ||
568 | }; | ||
569 | |||
570 | /* -- module insert / remove -- */ | ||
571 | static int __init sd_mod_init(void) | ||
572 | { | ||
573 | return usb_register(&sd_driver); | ||
574 | } | ||
575 | static void __exit sd_mod_exit(void) | ||
576 | { | ||
577 | usb_deregister(&sd_driver); | ||
578 | } | ||
579 | |||
580 | module_init(sd_mod_init); | ||
581 | module_exit(sd_mod_exit); | ||