]>
Commit | Line | Data |
---|---|---|
63eb9546 JFM |
1 | /* |
2 | * Syntek DV4000 (STK014) subdriver | |
3 | * | |
4 | * Copyright (C) Jean-Francois Moine (http://moinejf.free.fr) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #define MODULE_NAME "stk014" | |
23 | ||
24 | #include "gspca.h" | |
25 | #include "jpeg.h" | |
26 | ||
27 | #define DRIVER_VERSION_NUMBER KERNEL_VERSION(0, 0, 22) | |
28 | static const char version[] = "0.0.22"; | |
29 | ||
30 | MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>"); | |
31 | MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver"); | |
32 | MODULE_LICENSE("GPL"); | |
33 | ||
34 | /* specific webcam descriptor */ | |
35 | struct sd { | |
36 | struct gspca_dev gspca_dev; /* !! must be the first item */ | |
37 | ||
38 | unsigned char brightness; | |
39 | unsigned char contrast; | |
40 | unsigned char colors; | |
41 | }; | |
42 | ||
43 | /* global parameters */ | |
44 | static int lightfreq = 50; | |
45 | static int sd_quant = 7; /* <= 4 KO - 7: good (enough!) */ | |
46 | ||
47 | /* V4L2 controls supported by the driver */ | |
48 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); | |
49 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); | |
50 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); | |
51 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); | |
52 | static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); | |
53 | static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); | |
54 | ||
55 | static 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 = 255, | |
64 | .step = 1, | |
65 | .default_value = 127, | |
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 = 255, | |
78 | .step = 1, | |
79 | .default_value = 127, | |
80 | }, | |
81 | .set = sd_setcontrast, | |
82 | .get = sd_getcontrast, | |
83 | }, | |
84 | #define SD_COLOR 2 | |
85 | { | |
86 | { | |
87 | .id = V4L2_CID_SATURATION, | |
88 | .type = V4L2_CTRL_TYPE_INTEGER, | |
89 | .name = "Saturation", | |
90 | .minimum = 0, | |
91 | .maximum = 255, | |
92 | .step = 1, | |
93 | .default_value = 127, | |
94 | }, | |
95 | .set = sd_setcolors, | |
96 | .get = sd_getcolors, | |
97 | }, | |
98 | }; | |
99 | ||
100 | static struct cam_mode vga_mode[] = { | |
101 | {V4L2_PIX_FMT_JPEG, 320, 240}, | |
102 | {V4L2_PIX_FMT_JPEG, 640, 480}, | |
103 | }; | |
104 | ||
105 | /* -- read a register -- */ | |
106 | static int reg_read(struct gspca_dev *gspca_dev, | |
107 | __u16 index, __u8 *buf) | |
108 | { | |
109 | int ret; | |
110 | struct usb_device *dev = gspca_dev->dev; | |
111 | ||
112 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
113 | 0x00, | |
114 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
115 | 0x00, | |
116 | index, | |
117 | buf, 1, | |
118 | 500); | |
119 | if (ret < 0) | |
120 | PDEBUG(D_ERR, "reg_read err %d", ret); | |
121 | return ret; | |
122 | } | |
123 | ||
124 | /* -- write a register -- */ | |
125 | static int reg_write(struct gspca_dev *gspca_dev, | |
126 | __u16 index, __u16 value) | |
127 | { | |
128 | struct usb_device *dev = gspca_dev->dev; | |
129 | int ret; | |
130 | ||
131 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
132 | 0x01, | |
133 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
134 | value, | |
135 | index, | |
136 | NULL, | |
137 | 0, | |
138 | 500); | |
139 | if (ret < 0) | |
140 | PDEBUG(D_ERR, "reg_write err %d", ret); | |
141 | return ret; | |
142 | } | |
143 | ||
144 | /* -- get a value -- */ | |
145 | static int rcv_val(struct gspca_dev *gspca_dev, | |
146 | int ads, | |
147 | int len) | |
148 | { | |
149 | struct usb_device *dev = gspca_dev->dev; | |
150 | int alen, ret; | |
151 | unsigned char bulk_buf[4]; | |
152 | ||
153 | reg_write(gspca_dev, 0x634, (ads >> 16) & 0xff); | |
154 | reg_write(gspca_dev, 0x635, (ads >> 8) & 0xff); | |
155 | reg_write(gspca_dev, 0x636, ads & 0xff); | |
156 | reg_write(gspca_dev, 0x637, 0); | |
157 | reg_write(gspca_dev, 0x638, len & 0xff); | |
158 | reg_write(gspca_dev, 0x639, len >> 8); | |
159 | reg_write(gspca_dev, 0x63a, 0); | |
160 | reg_write(gspca_dev, 0x63b, 0); | |
161 | reg_write(gspca_dev, 0x630, 5); | |
162 | if (len > sizeof bulk_buf) | |
163 | return -1; | |
164 | ret = usb_bulk_msg(dev, | |
165 | usb_rcvbulkpipe(dev, 5), | |
166 | bulk_buf, | |
167 | len, | |
168 | &alen, | |
169 | 500); /* timeout in milliseconds */ | |
170 | return ret; | |
171 | } | |
172 | ||
173 | /* -- send a value -- */ | |
174 | static int snd_val(struct gspca_dev *gspca_dev, | |
175 | int ads, | |
176 | unsigned int val) | |
177 | { | |
178 | struct usb_device *dev = gspca_dev->dev; | |
179 | int alen, ret; | |
180 | __u8 value, seq; | |
181 | unsigned char bulk_buf[4]; | |
182 | ||
183 | if (ads == 0x003f08) { | |
184 | ret = reg_read(gspca_dev, 0x0704, &value); | |
185 | if (ret < 0) | |
186 | goto ko; | |
187 | ret = reg_read(gspca_dev, 0x0705, &seq); | |
188 | if (ret < 0) | |
189 | goto ko; | |
190 | ret = reg_read(gspca_dev, 0x0650, &value); | |
191 | if (ret < 0) | |
192 | goto ko; | |
193 | reg_write(gspca_dev, 0x654, seq); | |
194 | } else | |
195 | reg_write(gspca_dev, 0x654, (ads >> 16) & 0xff); | |
196 | reg_write(gspca_dev, 0x655, (ads >> 8) & 0xff); | |
197 | reg_write(gspca_dev, 0x656, ads & 0xff); | |
198 | reg_write(gspca_dev, 0x657, 0); | |
199 | reg_write(gspca_dev, 0x658, 0x04); /* size */ | |
200 | reg_write(gspca_dev, 0x659, 0); | |
201 | reg_write(gspca_dev, 0x65a, 0); | |
202 | reg_write(gspca_dev, 0x65b, 0); | |
203 | reg_write(gspca_dev, 0x650, 5); | |
204 | bulk_buf[0] = (val >> 24) & 0xff; | |
205 | bulk_buf[1] = (val >> 16) & 0xff; | |
206 | bulk_buf[2] = (val >> 8) & 0xff; | |
207 | bulk_buf[3] = val & 0xff; | |
208 | ret = usb_bulk_msg(dev, | |
209 | usb_sndbulkpipe(dev, 6), | |
210 | bulk_buf, | |
211 | 4, | |
212 | &alen, | |
213 | 500); /* timeout in milliseconds */ | |
214 | if (ret < 0) | |
215 | goto ko; | |
216 | if (ads == 0x003f08) { | |
217 | seq += 4; | |
218 | seq &= 0x3f; | |
219 | reg_write(gspca_dev, 0x705, seq); | |
220 | } | |
221 | return ret; | |
222 | ko: | |
223 | PDEBUG(D_ERR, "snd_val err %d", ret); | |
224 | return ret; | |
225 | } | |
226 | ||
227 | /* set a camera parameter */ | |
228 | static int set_par(struct gspca_dev *gspca_dev, | |
229 | int parval) | |
230 | { | |
231 | return snd_val(gspca_dev, 0x003f08, parval); | |
232 | } | |
233 | ||
234 | static void setbrightness(struct gspca_dev *gspca_dev) | |
235 | { | |
236 | struct sd *sd = (struct sd *) gspca_dev; | |
237 | int parval; | |
238 | ||
239 | PDEBUG(D_CONF, "brightness: %d", sd->brightness); | |
240 | parval = 0x06000000 /* whiteness */ | |
241 | + (sd->brightness << 16); | |
242 | set_par(gspca_dev, parval); | |
243 | } | |
244 | ||
245 | static void setcontrast(struct gspca_dev *gspca_dev) | |
246 | { | |
247 | struct sd *sd = (struct sd *) gspca_dev; | |
248 | int parval; | |
249 | ||
250 | PDEBUG(D_CONF, "contrast: %d", sd->contrast); | |
251 | parval = 0x07000000 /* contrast */ | |
252 | + (sd->contrast << 16); | |
253 | set_par(gspca_dev, parval); | |
254 | } | |
255 | ||
256 | static void setcolors(struct gspca_dev *gspca_dev) | |
257 | { | |
258 | struct sd *sd = (struct sd *) gspca_dev; | |
259 | int parval; | |
260 | ||
261 | PDEBUG(D_CONF, "saturation: %d", | |
262 | sd->colors); | |
263 | parval = 0x08000000 /* saturation */ | |
264 | + (sd->colors << 16); | |
265 | set_par(gspca_dev, parval); | |
266 | } | |
267 | ||
268 | /* this function is called at probe time */ | |
269 | static int sd_config(struct gspca_dev *gspca_dev, | |
270 | const struct usb_device_id *id) | |
271 | { | |
272 | struct sd *sd = (struct sd *) gspca_dev; | |
273 | struct cam *cam = &gspca_dev->cam; | |
274 | ||
275 | cam->dev_name = (char *) id->driver_info; | |
276 | cam->epaddr = 0x02; | |
277 | gspca_dev->cam.cam_mode = vga_mode; | |
278 | gspca_dev->cam.nmodes = sizeof vga_mode / sizeof vga_mode[0]; | |
279 | sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value; | |
280 | sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value; | |
281 | sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value; | |
282 | return 0; | |
283 | } | |
284 | ||
285 | /* this function is called at open time */ | |
286 | static int sd_open(struct gspca_dev *gspca_dev) | |
287 | { | |
288 | __u8 value; | |
289 | int ret; | |
290 | ||
291 | /* check if the device responds */ | |
292 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); | |
293 | ret = reg_read(gspca_dev, 0x0740, &value); | |
294 | if (ret < 0) | |
295 | return ret; | |
296 | if (value != 0xff) { | |
297 | PDEBUG(D_ERR|D_STREAM, "init reg: 0x%02x", value); | |
298 | return -1; | |
299 | } | |
300 | return 0; | |
301 | } | |
302 | ||
303 | /* -- start the camera -- */ | |
304 | static void sd_start(struct gspca_dev *gspca_dev) | |
305 | { | |
306 | __u8 dum; | |
307 | int ret, value; | |
308 | ||
309 | /* work on alternate 1 */ | |
310 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); | |
311 | ||
312 | set_par(gspca_dev, 0x10000000); | |
313 | set_par(gspca_dev, 0x00000000); | |
314 | set_par(gspca_dev, 0x8002e001); | |
315 | set_par(gspca_dev, 0x14000000); | |
316 | if (gspca_dev->width > 320) | |
317 | value = 0x8002e001; /* 640x480 */ | |
318 | else | |
319 | value = 0x4001f000; /* 320x240 */ | |
320 | set_par(gspca_dev, value); | |
321 | ret = usb_set_interface(gspca_dev->dev, | |
322 | gspca_dev->iface, | |
323 | gspca_dev->alt); | |
324 | if (ret < 0) | |
325 | goto out; | |
326 | ret = reg_read(gspca_dev, 0x0630, &dum); | |
327 | if (ret < 0) | |
328 | goto out; | |
329 | rcv_val(gspca_dev, 0x000020, 4); /* << (value ff ff ff ff) */ | |
330 | ret = reg_read(gspca_dev, 0x0650, &dum); | |
331 | if (ret < 0) | |
332 | goto out; | |
333 | snd_val(gspca_dev, 0x000020, 0xffffffff); | |
334 | reg_write(gspca_dev, 0x0620, 0); | |
335 | reg_write(gspca_dev, 0x0630, 0); | |
336 | reg_write(gspca_dev, 0x0640, 0); | |
337 | reg_write(gspca_dev, 0x0650, 0); | |
338 | reg_write(gspca_dev, 0x0660, 0); | |
339 | setbrightness(gspca_dev); /* whiteness */ | |
340 | setcontrast(gspca_dev); /* contrast */ | |
341 | setcolors(gspca_dev); /* saturation */ | |
342 | set_par(gspca_dev, 0x09800000); /* Red ? */ | |
343 | set_par(gspca_dev, 0x0a800000); /* Green ? */ | |
344 | set_par(gspca_dev, 0x0b800000); /* Blue ? */ | |
345 | set_par(gspca_dev, 0x0d030000); /* Gamma ? */ | |
346 | set_par(gspca_dev, lightfreq == 60 | |
347 | ? 0x33780000 /* 60 Hz */ | |
348 | : 0x33640000); /* 50 Hz */ | |
349 | ||
350 | /* start the video flow */ | |
351 | set_par(gspca_dev, 0x01000000); | |
352 | set_par(gspca_dev, 0x01000000); | |
353 | PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt); | |
354 | return; | |
355 | out: | |
356 | PDEBUG(D_ERR|D_STREAM, "camera start err %d", ret); | |
357 | } | |
358 | ||
359 | static void sd_stopN(struct gspca_dev *gspca_dev) | |
360 | { | |
361 | struct usb_device *dev = gspca_dev->dev; | |
362 | __u8 value; | |
363 | ||
364 | set_par(gspca_dev, 0x02000000); | |
365 | set_par(gspca_dev, 0x02000000); | |
366 | usb_set_interface(dev, gspca_dev->iface, 1); | |
367 | reg_read(gspca_dev, 0x0630, &value); | |
368 | rcv_val(gspca_dev, 0x000020, 4); /* << (value ff ff ff ff) */ | |
369 | reg_read(gspca_dev, 0x0650, &value); | |
370 | snd_val(gspca_dev, 0x000020, 0xffffffff); | |
371 | reg_write(gspca_dev, 0x0620, 0); | |
372 | reg_write(gspca_dev, 0x0630, 0); | |
373 | reg_write(gspca_dev, 0x0640, 0); | |
374 | reg_write(gspca_dev, 0x0650, 0); | |
375 | reg_write(gspca_dev, 0x0660, 0); | |
376 | PDEBUG(D_STREAM, "camera stopped"); | |
377 | } | |
378 | ||
379 | static void sd_stop0(struct gspca_dev *gspca_dev) | |
380 | { | |
381 | } | |
382 | ||
383 | static void sd_close(struct gspca_dev *gspca_dev) | |
384 | { | |
385 | } | |
386 | ||
387 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | |
388 | struct gspca_frame *frame, /* target */ | |
389 | unsigned char *data, /* isoc packet */ | |
390 | int len) /* iso packet length */ | |
391 | { | |
392 | int l; | |
393 | ||
394 | /* a frame starts with: | |
395 | * - 0xff 0xfe | |
396 | * - 0x08 0x00 // length (little endian ?!) | |
397 | * - 4 bytes = size of whole frame (big endian - including header) | |
398 | * - 0x00 0x0c | |
399 | * - 0xff 0xd8 | |
400 | * - .. JPEG image with escape sequences (ff 00) | |
401 | */ | |
402 | if (data[0] == 0xff && data[1] == 0xfe) { | |
403 | if (gspca_dev->last_packet_type == INTER_PACKET) { | |
404 | PDEBUG(D_ERR|D_FRAM, "sof actual l: %d init l: %d", | |
405 | frame->data_end - frame->data, | |
406 | frame->v4l2_buf.bytesused); | |
407 | } | |
408 | ||
409 | /* put the JPEG headaer */ | |
410 | jpeg_put_header(gspca_dev, frame, sd_quant, 0x22); | |
411 | ||
412 | /* beginning of the frame */ | |
413 | #define STKHDRSZ 12 | |
414 | l = (data[4] << 24) /* frame size */ | |
415 | + (data[5] << 16) | |
416 | + (data[6] << 8) | |
417 | + data[7] | |
418 | - STKHDRSZ | |
419 | + (frame->data_end - frame->data) | |
420 | + 2; /* EOF (ff d9) */ | |
421 | gspca_frame_add(gspca_dev, INTER_PACKET, frame, | |
422 | data + STKHDRSZ, len - STKHDRSZ); | |
423 | #undef STKHDRSZ | |
424 | frame->v4l2_buf.bytesused = l; | |
425 | return; | |
426 | } | |
427 | if (gspca_dev->last_packet_type != INTER_PACKET) { | |
428 | if (gspca_dev->last_packet_type == LAST_PACKET) { | |
429 | PDEBUG(D_ERR|D_PACK, "mof actual l: %d init l: %d", | |
430 | frame->data_end - frame->data, | |
431 | frame->v4l2_buf.bytesused); | |
432 | } | |
433 | return; | |
434 | } | |
435 | ||
436 | /* intermediate packet */ | |
437 | l = frame->data_end - frame->data; | |
438 | if (len < frame->v4l2_buf.bytesused - 2 - l) { | |
439 | gspca_frame_add(gspca_dev, INTER_PACKET, frame, | |
440 | data, len); | |
441 | return; | |
442 | } | |
443 | ||
444 | /* last packet */ | |
445 | if (len > frame->v4l2_buf.bytesused - 2 - l) | |
446 | len = frame->v4l2_buf.bytesused - 2 - l; | |
447 | gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); | |
448 | gspca_frame_add(gspca_dev, LAST_PACKET, frame, "\xff\xd9", 2); | |
449 | } | |
450 | ||
451 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) | |
452 | { | |
453 | struct sd *sd = (struct sd *) gspca_dev; | |
454 | ||
455 | sd->brightness = val; | |
456 | if (gspca_dev->streaming) | |
457 | setbrightness(gspca_dev); | |
458 | return 0; | |
459 | } | |
460 | ||
461 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) | |
462 | { | |
463 | struct sd *sd = (struct sd *) gspca_dev; | |
464 | ||
465 | *val = sd->brightness; | |
466 | return 0; | |
467 | } | |
468 | ||
469 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) | |
470 | { | |
471 | struct sd *sd = (struct sd *) gspca_dev; | |
472 | ||
473 | sd->contrast = val; | |
474 | if (gspca_dev->streaming) | |
475 | setcontrast(gspca_dev); | |
476 | return 0; | |
477 | } | |
478 | ||
479 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) | |
480 | { | |
481 | struct sd *sd = (struct sd *) gspca_dev; | |
482 | ||
483 | *val = sd->contrast; | |
484 | return 0; | |
485 | } | |
486 | ||
487 | static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) | |
488 | { | |
489 | struct sd *sd = (struct sd *) gspca_dev; | |
490 | ||
491 | sd->colors = val; | |
492 | if (gspca_dev->streaming) | |
493 | setcolors(gspca_dev); | |
494 | return 0; | |
495 | } | |
496 | ||
497 | static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) | |
498 | { | |
499 | struct sd *sd = (struct sd *) gspca_dev; | |
500 | ||
501 | *val = sd->colors; | |
502 | return 0; | |
503 | } | |
504 | ||
505 | /* sub-driver description */ | |
506 | static struct sd_desc sd_desc = { | |
507 | .name = MODULE_NAME, | |
508 | .ctrls = sd_ctrls, | |
509 | .nctrls = sizeof sd_ctrls / sizeof sd_ctrls[0], | |
510 | .config = sd_config, | |
511 | .open = sd_open, | |
512 | .start = sd_start, | |
513 | .stopN = sd_stopN, | |
514 | .stop0 = sd_stop0, | |
515 | .close = sd_close, | |
516 | .pkt_scan = sd_pkt_scan, | |
517 | }; | |
518 | ||
519 | /* -- module initialisation -- */ | |
520 | #define DVNM(name) .driver_info = (kernel_ulong_t) name | |
521 | static __devinitdata struct usb_device_id device_table[] = { | |
522 | {USB_DEVICE(0x05e1, 0x0893), DVNM("Syntek DV4000")}, | |
523 | {} | |
524 | }; | |
525 | MODULE_DEVICE_TABLE(usb, device_table); | |
526 | ||
527 | /* -- device connect -- */ | |
528 | static int sd_probe(struct usb_interface *intf, | |
529 | const struct usb_device_id *id) | |
530 | { | |
531 | PDEBUG(D_PROBE, "camera probe"); | |
532 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd)); | |
533 | } | |
534 | ||
535 | static struct usb_driver sd_driver = { | |
536 | .name = MODULE_NAME, | |
537 | .id_table = device_table, | |
538 | .probe = sd_probe, | |
539 | .disconnect = gspca_disconnect, | |
540 | }; | |
541 | ||
542 | /* -- module insert / remove -- */ | |
543 | static int __init sd_mod_init(void) | |
544 | { | |
545 | if (usb_register(&sd_driver) < 0) | |
546 | return -1; | |
547 | info("v%s registered", version); | |
548 | return 0; | |
549 | } | |
550 | static void __exit sd_mod_exit(void) | |
551 | { | |
552 | usb_deregister(&sd_driver); | |
553 | info("deregistered"); | |
554 | } | |
555 | ||
556 | module_init(sd_mod_init); | |
557 | module_exit(sd_mod_exit); | |
558 | ||
559 | module_param(lightfreq, int, 0644); | |
560 | MODULE_PARM_DESC(lightfreq, "Light frequency 50 or 60 Hz"); | |
561 | module_param_named(quant, sd_quant, int, 0644); | |
562 | MODULE_PARM_DESC(quant, "Quantization index (0..8)"); |