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4c98834a EA |
1 | /* |
2 | * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher | |
3 | * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland | |
4 | * Copyright (c) 2002, 2003 Tuukka Toivonen | |
5 | * Copyright (c) 2008 Erik Andrén | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * P/N 861037: Sensor HDCS1000 ASIC STV0600 | |
22 | * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600 | |
23 | * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express | |
24 | * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam | |
25 | * P/N 861075-0040: Sensor HDCS1000 ASIC | |
26 | * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB | |
27 | * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web | |
28 | */ | |
29 | ||
30 | #include "stv06xx_sensor.h" | |
31 | ||
32 | MODULE_AUTHOR("Erik Andrén"); | |
33 | MODULE_DESCRIPTION("STV06XX USB Camera Driver"); | |
34 | MODULE_LICENSE("GPL"); | |
35 | ||
8a787b40 MCC |
36 | static int dump_bridge; |
37 | static int dump_sensor; | |
4c98834a EA |
38 | |
39 | int stv06xx_write_bridge(struct sd *sd, u16 address, u16 i2c_data) | |
40 | { | |
41 | int err; | |
42 | struct usb_device *udev = sd->gspca_dev.dev; | |
43 | __u8 *buf = sd->gspca_dev.usb_buf; | |
44 | u8 len = (i2c_data > 0xff) ? 2 : 1; | |
45 | ||
46 | buf[0] = i2c_data & 0xff; | |
47 | buf[1] = (i2c_data >> 8) & 0xff; | |
48 | ||
49 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
50 | 0x04, 0x40, address, 0, buf, len, | |
51 | STV06XX_URB_MSG_TIMEOUT); | |
52 | ||
53 | ||
54 | PDEBUG(D_CONF, "Written 0x%x to address 0x%x, status: %d", | |
55 | i2c_data, address, err); | |
56 | ||
57 | return (err < 0) ? err : 0; | |
58 | } | |
59 | ||
60 | int stv06xx_read_bridge(struct sd *sd, u16 address, u8 *i2c_data) | |
61 | { | |
62 | int err; | |
63 | struct usb_device *udev = sd->gspca_dev.dev; | |
64 | __u8 *buf = sd->gspca_dev.usb_buf; | |
65 | ||
66 | err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | |
67 | 0x04, 0xc0, address, 0, buf, 1, | |
68 | STV06XX_URB_MSG_TIMEOUT); | |
69 | ||
70 | *i2c_data = buf[0]; | |
71 | ||
72 | PDEBUG(D_CONF, "Read 0x%x from address 0x%x, status %d", | |
73 | *i2c_data, address, err); | |
74 | ||
75 | return (err < 0) ? err : 0; | |
76 | } | |
77 | ||
78 | /* Wraps the normal write sensor bytes / words functions for writing a | |
79 | single value */ | |
80 | int stv06xx_write_sensor(struct sd *sd, u8 address, u16 value) | |
81 | { | |
82 | if (sd->sensor->i2c_len == 2) { | |
83 | u16 data[2] = { address, value }; | |
84 | return stv06xx_write_sensor_words(sd, data, 1); | |
85 | } else { | |
86 | u8 data[2] = { address, value }; | |
87 | return stv06xx_write_sensor_bytes(sd, data, 1); | |
88 | } | |
89 | } | |
90 | ||
91 | static int stv06xx_write_sensor_finish(struct sd *sd) | |
92 | { | |
93 | int err = 0; | |
94 | ||
8668d504 | 95 | if (sd->bridge == BRIDGE_STV610) { |
4c98834a EA |
96 | struct usb_device *udev = sd->gspca_dev.dev; |
97 | __u8 *buf = sd->gspca_dev.usb_buf; | |
98 | ||
4c98834a EA |
99 | buf[0] = 0; |
100 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
101 | 0x04, 0x40, 0x1704, 0, buf, 1, | |
102 | STV06XX_URB_MSG_TIMEOUT); | |
103 | } | |
104 | ||
105 | return (err < 0) ? err : 0; | |
106 | } | |
107 | ||
108 | int stv06xx_write_sensor_bytes(struct sd *sd, const u8 *data, u8 len) | |
109 | { | |
110 | int err, i, j; | |
111 | struct usb_device *udev = sd->gspca_dev.dev; | |
112 | __u8 *buf = sd->gspca_dev.usb_buf; | |
113 | ||
114 | PDEBUG(D_USBO, "I2C: Command buffer contains %d entries", len); | |
115 | for (i = 0; i < len;) { | |
116 | /* Build the command buffer */ | |
117 | memset(buf, 0, I2C_BUFFER_LENGTH); | |
118 | for (j = 0; j < I2C_MAX_BYTES && i < len; j++, i++) { | |
119 | buf[j] = data[2*i]; | |
120 | buf[0x10 + j] = data[2*i+1]; | |
121 | PDEBUG(D_USBO, "I2C: Writing 0x%02x to reg 0x%02x", | |
122 | data[2*i+1], data[2*i]); | |
123 | } | |
124 | buf[0x20] = sd->sensor->i2c_addr; | |
125 | buf[0x21] = j - 1; /* Number of commands to send - 1 */ | |
126 | buf[0x22] = I2C_WRITE_CMD; | |
127 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
128 | 0x04, 0x40, 0x0400, 0, buf, | |
129 | I2C_BUFFER_LENGTH, | |
130 | STV06XX_URB_MSG_TIMEOUT); | |
131 | if (err < 0) | |
132 | return err; | |
133 | } | |
134 | return stv06xx_write_sensor_finish(sd); | |
135 | } | |
136 | ||
137 | int stv06xx_write_sensor_words(struct sd *sd, const u16 *data, u8 len) | |
138 | { | |
139 | int err, i, j; | |
140 | struct usb_device *udev = sd->gspca_dev.dev; | |
141 | __u8 *buf = sd->gspca_dev.usb_buf; | |
142 | ||
143 | PDEBUG(D_USBO, "I2C: Command buffer contains %d entries", len); | |
144 | ||
145 | for (i = 0; i < len;) { | |
146 | /* Build the command buffer */ | |
147 | memset(buf, 0, I2C_BUFFER_LENGTH); | |
148 | for (j = 0; j < I2C_MAX_WORDS && i < len; j++, i++) { | |
149 | buf[j] = data[2*i]; | |
150 | buf[0x10 + j * 2] = data[2*i+1]; | |
151 | buf[0x10 + j * 2 + 1] = data[2*i+1] >> 8; | |
152 | PDEBUG(D_USBO, "I2C: Writing 0x%04x to reg 0x%02x", | |
153 | data[2*i+1], data[2*i]); | |
154 | } | |
155 | buf[0x20] = sd->sensor->i2c_addr; | |
156 | buf[0x21] = j - 1; /* Number of commands to send - 1 */ | |
157 | buf[0x22] = I2C_WRITE_CMD; | |
158 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
159 | 0x04, 0x40, 0x0400, 0, buf, | |
160 | I2C_BUFFER_LENGTH, | |
161 | STV06XX_URB_MSG_TIMEOUT); | |
162 | if (err < 0) | |
163 | return err; | |
164 | } | |
165 | return stv06xx_write_sensor_finish(sd); | |
166 | } | |
167 | ||
168 | int stv06xx_read_sensor(struct sd *sd, const u8 address, u16 *value) | |
169 | { | |
170 | int err; | |
171 | struct usb_device *udev = sd->gspca_dev.dev; | |
172 | __u8 *buf = sd->gspca_dev.usb_buf; | |
173 | ||
174 | err = stv06xx_write_bridge(sd, STV_I2C_FLUSH, sd->sensor->i2c_flush); | |
175 | if (err < 0) | |
176 | return err; | |
177 | ||
178 | /* Clear mem */ | |
179 | memset(buf, 0, I2C_BUFFER_LENGTH); | |
180 | ||
181 | buf[0] = address; | |
182 | buf[0x20] = sd->sensor->i2c_addr; | |
183 | buf[0x21] = 0; | |
184 | ||
185 | /* Read I2C register */ | |
186 | buf[0x22] = I2C_READ_CMD; | |
187 | ||
188 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
189 | 0x04, 0x40, 0x1400, 0, buf, I2C_BUFFER_LENGTH, | |
190 | STV06XX_URB_MSG_TIMEOUT); | |
191 | if (err < 0) { | |
192 | PDEBUG(D_ERR, "I2C Read: error writing address: %d", err); | |
193 | return err; | |
194 | } | |
195 | ||
196 | err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | |
197 | 0x04, 0xc0, 0x1410, 0, buf, sd->sensor->i2c_len, | |
198 | STV06XX_URB_MSG_TIMEOUT); | |
199 | if (sd->sensor->i2c_len == 2) | |
200 | *value = buf[0] | (buf[1] << 8); | |
201 | else | |
202 | *value = buf[0]; | |
203 | ||
204 | PDEBUG(D_USBO, "I2C: Read 0x%x from address 0x%x, status: %d", | |
205 | *value, address, err); | |
206 | ||
207 | return (err < 0) ? err : 0; | |
208 | } | |
209 | ||
210 | /* Dumps all bridge registers */ | |
211 | static void stv06xx_dump_bridge(struct sd *sd) | |
212 | { | |
213 | int i; | |
214 | u8 data, buf; | |
215 | ||
216 | info("Dumping all stv06xx bridge registers"); | |
217 | for (i = 0x1400; i < 0x160f; i++) { | |
218 | stv06xx_read_bridge(sd, i, &data); | |
219 | ||
220 | info("Read 0x%x from address 0x%x", data, i); | |
221 | } | |
222 | ||
223 | for (i = 0x1400; i < 0x160f; i++) { | |
224 | stv06xx_read_bridge(sd, i, &data); | |
225 | buf = data; | |
226 | ||
227 | stv06xx_write_bridge(sd, i, 0xff); | |
228 | stv06xx_read_bridge(sd, i, &data); | |
229 | if (data == 0xff) | |
230 | info("Register 0x%x is read/write", i); | |
231 | else if (data != buf) | |
232 | info("Register 0x%x is read/write," | |
233 | "but only partially", i); | |
234 | else | |
235 | info("Register 0x%x is read-only", i); | |
236 | ||
237 | stv06xx_write_bridge(sd, i, buf); | |
238 | } | |
239 | } | |
240 | ||
241 | /* this function is called at probe and resume time */ | |
242 | static int stv06xx_init(struct gspca_dev *gspca_dev) | |
243 | { | |
244 | struct sd *sd = (struct sd *) gspca_dev; | |
245 | int err; | |
246 | ||
247 | PDEBUG(D_PROBE, "Initializing camera"); | |
248 | ||
249 | /* Let the usb init settle for a bit | |
250 | before performing the initialization */ | |
251 | msleep(250); | |
252 | ||
253 | err = sd->sensor->init(sd); | |
254 | ||
8668d504 | 255 | if (dump_sensor && sd->sensor->dump) |
4c98834a EA |
256 | sd->sensor->dump(sd); |
257 | ||
258 | return (err < 0) ? err : 0; | |
259 | } | |
260 | ||
261 | /* Start the camera */ | |
262 | static int stv06xx_start(struct gspca_dev *gspca_dev) | |
263 | { | |
264 | struct sd *sd = (struct sd *) gspca_dev; | |
265 | int err; | |
266 | ||
267 | /* Prepare the sensor for start */ | |
268 | err = sd->sensor->start(sd); | |
269 | if (err < 0) | |
270 | goto out; | |
271 | ||
272 | /* Start isochronous streaming */ | |
273 | err = stv06xx_write_bridge(sd, STV_ISO_ENABLE, 1); | |
274 | ||
275 | out: | |
276 | if (err < 0) | |
277 | PDEBUG(D_STREAM, "Starting stream failed"); | |
278 | else | |
279 | PDEBUG(D_STREAM, "Started streaming"); | |
280 | ||
281 | return (err < 0) ? err : 0; | |
282 | } | |
283 | ||
284 | static void stv06xx_stopN(struct gspca_dev *gspca_dev) | |
285 | { | |
286 | int err; | |
287 | struct sd *sd = (struct sd *) gspca_dev; | |
288 | ||
289 | /* stop ISO-streaming */ | |
290 | err = stv06xx_write_bridge(sd, STV_ISO_ENABLE, 0); | |
291 | if (err < 0) | |
292 | goto out; | |
293 | ||
294 | err = sd->sensor->stop(sd); | |
4c98834a EA |
295 | |
296 | out: | |
297 | if (err < 0) | |
298 | PDEBUG(D_STREAM, "Failed to stop stream"); | |
299 | else | |
300 | PDEBUG(D_STREAM, "Stopped streaming"); | |
301 | } | |
302 | ||
303 | /* | |
304 | * Analyse an USB packet of the data stream and store it appropriately. | |
305 | * Each packet contains an integral number of chunks. Each chunk has | |
306 | * 2-bytes identification, followed by 2-bytes that describe the chunk | |
307 | * length. Known/guessed chunk identifications are: | |
308 | * 8001/8005/C001/C005 - Begin new frame | |
309 | * 8002/8006/C002/C006 - End frame | |
310 | * 0200/4200 - Contains actual image data, bayer or compressed | |
311 | * 0005 - 11 bytes of unknown data | |
312 | * 0100 - 2 bytes of unknown data | |
313 | * The 0005 and 0100 chunks seem to appear only in compressed stream. | |
314 | */ | |
315 | static void stv06xx_pkt_scan(struct gspca_dev *gspca_dev, | |
316 | struct gspca_frame *frame, /* target */ | |
317 | __u8 *data, /* isoc packet */ | |
318 | int len) /* iso packet length */ | |
319 | { | |
8668d504 HG |
320 | struct sd *sd = (struct sd *) gspca_dev; |
321 | ||
4c98834a EA |
322 | PDEBUG(D_PACK, "Packet of length %d arrived", len); |
323 | ||
324 | /* A packet may contain several frames | |
325 | loop until the whole packet is reached */ | |
326 | while (len) { | |
327 | int id, chunk_len; | |
328 | ||
329 | if (len < 4) { | |
330 | PDEBUG(D_PACK, "Packet is smaller than 4 bytes"); | |
331 | return; | |
332 | } | |
333 | ||
334 | /* Capture the id */ | |
335 | id = (data[0] << 8) | data[1]; | |
336 | ||
337 | /* Capture the chunk length */ | |
338 | chunk_len = (data[2] << 8) | data[3]; | |
339 | PDEBUG(D_PACK, "Chunk id: %x, length: %d", id, chunk_len); | |
340 | ||
341 | data += 4; | |
342 | len -= 4; | |
343 | ||
344 | if (len < chunk_len) { | |
345 | PDEBUG(D_ERR, "URB packet length is smaller" | |
346 | " than the specified chunk length"); | |
8668d504 | 347 | gspca_dev->last_packet_type = DISCARD_PACKET; |
4c98834a EA |
348 | return; |
349 | } | |
350 | ||
8668d504 HG |
351 | /* First byte seem to be 02=data 2nd byte is unknown??? */ |
352 | if (sd->bridge == BRIDGE_ST6422 && (id & 0xFF00) == 0x0200) | |
353 | goto frame_data; | |
354 | ||
4c98834a EA |
355 | switch (id) { |
356 | case 0x0200: | |
357 | case 0x4200: | |
8668d504 | 358 | frame_data: |
4c98834a EA |
359 | PDEBUG(D_PACK, "Frame data packet detected"); |
360 | ||
8668d504 HG |
361 | if (sd->to_skip) { |
362 | int skip = (sd->to_skip < chunk_len) ? | |
363 | sd->to_skip : chunk_len; | |
364 | data += skip; | |
365 | len -= skip; | |
366 | chunk_len -= skip; | |
367 | sd->to_skip -= skip; | |
368 | } | |
369 | ||
4c98834a EA |
370 | gspca_frame_add(gspca_dev, INTER_PACKET, frame, |
371 | data, chunk_len); | |
372 | break; | |
373 | ||
374 | case 0x8001: | |
375 | case 0x8005: | |
376 | case 0xc001: | |
377 | case 0xc005: | |
378 | PDEBUG(D_PACK, "Starting new frame"); | |
379 | ||
380 | /* Create a new frame, chunk length should be zero */ | |
381 | gspca_frame_add(gspca_dev, FIRST_PACKET, | |
382 | frame, data, 0); | |
383 | ||
8668d504 HG |
384 | if (sd->bridge == BRIDGE_ST6422) |
385 | sd->to_skip = gspca_dev->width * 4; | |
386 | ||
4c98834a EA |
387 | if (chunk_len) |
388 | PDEBUG(D_ERR, "Chunk length is " | |
389 | "non-zero on a SOF"); | |
390 | break; | |
391 | ||
392 | case 0x8002: | |
393 | case 0x8006: | |
394 | case 0xc002: | |
395 | PDEBUG(D_PACK, "End of frame detected"); | |
396 | ||
397 | /* Complete the last frame (if any) */ | |
398 | gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); | |
399 | ||
400 | if (chunk_len) | |
401 | PDEBUG(D_ERR, "Chunk length is " | |
402 | "non-zero on a EOF"); | |
403 | break; | |
404 | ||
405 | case 0x0005: | |
406 | PDEBUG(D_PACK, "Chunk 0x005 detected"); | |
407 | /* Unknown chunk with 11 bytes of data, | |
408 | occurs just before end of each frame | |
409 | in compressed mode */ | |
410 | break; | |
411 | ||
412 | case 0x0100: | |
413 | PDEBUG(D_PACK, "Chunk 0x0100 detected"); | |
414 | /* Unknown chunk with 2 bytes of data, | |
415 | occurs 2-3 times per USB interrupt */ | |
416 | break; | |
8668d504 HG |
417 | case 0x42ff: |
418 | PDEBUG(D_PACK, "Chunk 0x42ff detected"); | |
419 | /* Special chunk seen sometimes on the ST6422 */ | |
420 | break; | |
4c98834a | 421 | default: |
8668d504 | 422 | PDEBUG(D_PACK, "Unknown chunk 0x%04x detected", id); |
4c98834a EA |
423 | /* Unknown chunk */ |
424 | } | |
425 | data += chunk_len; | |
426 | len -= chunk_len; | |
427 | } | |
428 | } | |
429 | ||
430 | static int stv06xx_config(struct gspca_dev *gspca_dev, | |
431 | const struct usb_device_id *id); | |
432 | ||
433 | /* sub-driver description */ | |
434 | static const struct sd_desc sd_desc = { | |
435 | .name = MODULE_NAME, | |
436 | .config = stv06xx_config, | |
437 | .init = stv06xx_init, | |
438 | .start = stv06xx_start, | |
439 | .stopN = stv06xx_stopN, | |
440 | .pkt_scan = stv06xx_pkt_scan | |
441 | }; | |
442 | ||
443 | /* This function is called at probe time */ | |
444 | static int stv06xx_config(struct gspca_dev *gspca_dev, | |
445 | const struct usb_device_id *id) | |
446 | { | |
447 | struct sd *sd = (struct sd *) gspca_dev; | |
448 | struct cam *cam; | |
449 | ||
450 | PDEBUG(D_PROBE, "Configuring camera"); | |
451 | ||
452 | cam = &gspca_dev->cam; | |
4c98834a | 453 | sd->desc = sd_desc; |
8668d504 | 454 | sd->bridge = id->driver_info; |
4c98834a EA |
455 | gspca_dev->sd_desc = &sd->desc; |
456 | ||
457 | if (dump_bridge) | |
458 | stv06xx_dump_bridge(sd); | |
459 | ||
8668d504 HG |
460 | sd->sensor = &stv06xx_sensor_st6422; |
461 | if (!sd->sensor->probe(sd)) | |
462 | return 0; | |
463 | ||
4c98834a EA |
464 | sd->sensor = &stv06xx_sensor_vv6410; |
465 | if (!sd->sensor->probe(sd)) | |
466 | return 0; | |
467 | ||
468 | sd->sensor = &stv06xx_sensor_hdcs1x00; | |
469 | if (!sd->sensor->probe(sd)) | |
470 | return 0; | |
471 | ||
472 | sd->sensor = &stv06xx_sensor_hdcs1020; | |
473 | if (!sd->sensor->probe(sd)) | |
474 | return 0; | |
475 | ||
476 | sd->sensor = &stv06xx_sensor_pb0100; | |
477 | if (!sd->sensor->probe(sd)) | |
478 | return 0; | |
479 | ||
480 | sd->sensor = NULL; | |
481 | return -ENODEV; | |
482 | } | |
483 | ||
484 | ||
485 | ||
486 | /* -- module initialisation -- */ | |
487 | static const __devinitdata struct usb_device_id device_table[] = { | |
8668d504 HG |
488 | /* QuickCam Express */ |
489 | {USB_DEVICE(0x046d, 0x0840), .driver_info = BRIDGE_STV600 }, | |
490 | /* LEGO cam / QuickCam Web */ | |
491 | {USB_DEVICE(0x046d, 0x0850), .driver_info = BRIDGE_STV610 }, | |
492 | /* Dexxa WebCam USB */ | |
493 | {USB_DEVICE(0x046d, 0x0870), .driver_info = BRIDGE_STV602 }, | |
494 | /* QuickCam Messenger */ | |
495 | {USB_DEVICE(0x046D, 0x08F0), .driver_info = BRIDGE_ST6422 }, | |
496 | /* QuickCam Communicate */ | |
497 | {USB_DEVICE(0x046D, 0x08F5), .driver_info = BRIDGE_ST6422 }, | |
498 | /* QuickCam Messenger (new) */ | |
499 | {USB_DEVICE(0x046D, 0x08F6), .driver_info = BRIDGE_ST6422 }, | |
500 | /* QuickCam Messenger (new) */ | |
501 | {USB_DEVICE(0x046D, 0x08DA), .driver_info = BRIDGE_ST6422 }, | |
4c98834a EA |
502 | {} |
503 | }; | |
504 | MODULE_DEVICE_TABLE(usb, device_table); | |
505 | ||
506 | /* -- device connect -- */ | |
507 | static int sd_probe(struct usb_interface *intf, | |
508 | const struct usb_device_id *id) | |
509 | { | |
510 | PDEBUG(D_PROBE, "Probing for a stv06xx device"); | |
511 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), | |
512 | THIS_MODULE); | |
513 | } | |
514 | ||
8a787b40 | 515 | static void sd_disconnect(struct usb_interface *intf) |
4c98834a EA |
516 | { |
517 | struct gspca_dev *gspca_dev = usb_get_intfdata(intf); | |
518 | struct sd *sd = (struct sd *) gspca_dev; | |
519 | PDEBUG(D_PROBE, "Disconnecting the stv06xx device"); | |
520 | ||
521 | if (sd->sensor->disconnect) | |
522 | sd->sensor->disconnect(sd); | |
523 | gspca_disconnect(intf); | |
524 | } | |
525 | ||
526 | static struct usb_driver sd_driver = { | |
527 | .name = MODULE_NAME, | |
528 | .id_table = device_table, | |
529 | .probe = sd_probe, | |
530 | .disconnect = sd_disconnect, | |
531 | #ifdef CONFIG_PM | |
532 | .suspend = gspca_suspend, | |
533 | .resume = gspca_resume, | |
534 | #endif | |
535 | }; | |
536 | ||
537 | /* -- module insert / remove -- */ | |
538 | static int __init sd_mod_init(void) | |
539 | { | |
f69e9529 AK |
540 | int ret; |
541 | ret = usb_register(&sd_driver); | |
542 | if (ret < 0) | |
e6b14849 | 543 | return ret; |
4c98834a EA |
544 | PDEBUG(D_PROBE, "registered"); |
545 | return 0; | |
546 | } | |
547 | static void __exit sd_mod_exit(void) | |
548 | { | |
549 | usb_deregister(&sd_driver); | |
550 | PDEBUG(D_PROBE, "deregistered"); | |
551 | } | |
552 | ||
553 | module_init(sd_mod_init); | |
554 | module_exit(sd_mod_exit); | |
555 | ||
556 | module_param(dump_bridge, bool, S_IRUGO | S_IWUSR); | |
557 | MODULE_PARM_DESC(dump_bridge, "Dumps all usb bridge registers at startup"); | |
558 | ||
559 | module_param(dump_sensor, bool, S_IRUGO | S_IWUSR); | |
560 | MODULE_PARM_DESC(dump_sensor, "Dumps all sensor registers at startup"); |