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63eb9546 JFM |
1 | /* |
2 | * Syntek DV4000 (STK014) subdriver | |
3 | * | |
d43fa32f | 4 | * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr) |
63eb9546 JFM |
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 | |
63eb9546 JFM |
19 | */ |
20 | ||
21 | #define MODULE_NAME "stk014" | |
22 | ||
23 | #include "gspca.h" | |
24 | #include "jpeg.h" | |
25 | ||
63eb9546 JFM |
26 | MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>"); |
27 | MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver"); | |
28 | MODULE_LICENSE("GPL"); | |
29 | ||
30 | /* specific webcam descriptor */ | |
31 | struct sd { | |
32 | struct gspca_dev gspca_dev; /* !! must be the first item */ | |
33 | ||
34 | unsigned char brightness; | |
35 | unsigned char contrast; | |
36 | unsigned char colors; | |
6a7eba24 | 37 | unsigned char lightfreq; |
63eb9546 JFM |
38 | }; |
39 | ||
40 | /* global parameters */ | |
63eb9546 JFM |
41 | static int sd_quant = 7; /* <= 4 KO - 7: good (enough!) */ |
42 | ||
43 | /* V4L2 controls supported by the driver */ | |
44 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); | |
45 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); | |
46 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); | |
47 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); | |
48 | static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); | |
49 | static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); | |
6a7eba24 JFM |
50 | static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val); |
51 | static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val); | |
63eb9546 JFM |
52 | |
53 | static struct ctrl sd_ctrls[] = { | |
63eb9546 JFM |
54 | { |
55 | { | |
56 | .id = V4L2_CID_BRIGHTNESS, | |
57 | .type = V4L2_CTRL_TYPE_INTEGER, | |
58 | .name = "Brightness", | |
59 | .minimum = 0, | |
60 | .maximum = 255, | |
61 | .step = 1, | |
a5ae2062 JFM |
62 | #define BRIGHTNESS_DEF 127 |
63 | .default_value = BRIGHTNESS_DEF, | |
63eb9546 JFM |
64 | }, |
65 | .set = sd_setbrightness, | |
66 | .get = sd_getbrightness, | |
67 | }, | |
63eb9546 JFM |
68 | { |
69 | { | |
70 | .id = V4L2_CID_CONTRAST, | |
71 | .type = V4L2_CTRL_TYPE_INTEGER, | |
72 | .name = "Contrast", | |
73 | .minimum = 0, | |
74 | .maximum = 255, | |
75 | .step = 1, | |
a5ae2062 JFM |
76 | #define CONTRAST_DEF 127 |
77 | .default_value = CONTRAST_DEF, | |
63eb9546 JFM |
78 | }, |
79 | .set = sd_setcontrast, | |
80 | .get = sd_getcontrast, | |
81 | }, | |
63eb9546 JFM |
82 | { |
83 | { | |
84 | .id = V4L2_CID_SATURATION, | |
85 | .type = V4L2_CTRL_TYPE_INTEGER, | |
a5ae2062 | 86 | .name = "Color", |
63eb9546 JFM |
87 | .minimum = 0, |
88 | .maximum = 255, | |
89 | .step = 1, | |
a5ae2062 JFM |
90 | #define COLOR_DEF 127 |
91 | .default_value = COLOR_DEF, | |
63eb9546 JFM |
92 | }, |
93 | .set = sd_setcolors, | |
94 | .get = sd_getcolors, | |
95 | }, | |
6a7eba24 JFM |
96 | { |
97 | { | |
98 | .id = V4L2_CID_POWER_LINE_FREQUENCY, | |
99 | .type = V4L2_CTRL_TYPE_MENU, | |
100 | .name = "Light frequency filter", | |
101 | .minimum = 1, | |
102 | .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */ | |
103 | .step = 1, | |
a5ae2062 JFM |
104 | #define FREQ_DEF 1 |
105 | .default_value = FREQ_DEF, | |
6a7eba24 JFM |
106 | }, |
107 | .set = sd_setfreq, | |
108 | .get = sd_getfreq, | |
109 | }, | |
63eb9546 JFM |
110 | }; |
111 | ||
cc611b8a | 112 | static const struct v4l2_pix_format vga_mode[] = { |
c2446b3e JFM |
113 | {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
114 | .bytesperline = 320, | |
115 | .sizeimage = 320 * 240 * 3 / 8 + 590, | |
116 | .colorspace = V4L2_COLORSPACE_JPEG, | |
117 | .priv = 1}, | |
118 | {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | |
119 | .bytesperline = 640, | |
120 | .sizeimage = 640 * 480 * 3 / 8 + 590, | |
121 | .colorspace = V4L2_COLORSPACE_JPEG, | |
122 | .priv = 0}, | |
63eb9546 JFM |
123 | }; |
124 | ||
125 | /* -- read a register -- */ | |
6a7eba24 | 126 | static int reg_r(struct gspca_dev *gspca_dev, |
739570bb | 127 | __u16 index) |
63eb9546 | 128 | { |
63eb9546 | 129 | struct usb_device *dev = gspca_dev->dev; |
6a7eba24 | 130 | int ret; |
63eb9546 JFM |
131 | |
132 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
133 | 0x00, | |
134 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
135 | 0x00, | |
136 | index, | |
739570bb | 137 | gspca_dev->usb_buf, 1, |
63eb9546 | 138 | 500); |
739570bb | 139 | if (ret < 0) { |
6a7eba24 | 140 | PDEBUG(D_ERR, "reg_r err %d", ret); |
739570bb JFM |
141 | return ret; |
142 | } | |
143 | return gspca_dev->usb_buf[0]; | |
63eb9546 JFM |
144 | } |
145 | ||
146 | /* -- write a register -- */ | |
6a7eba24 | 147 | static int reg_w(struct gspca_dev *gspca_dev, |
63eb9546 JFM |
148 | __u16 index, __u16 value) |
149 | { | |
150 | struct usb_device *dev = gspca_dev->dev; | |
151 | int ret; | |
152 | ||
153 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
154 | 0x01, | |
155 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
156 | value, | |
157 | index, | |
158 | NULL, | |
159 | 0, | |
160 | 500); | |
161 | if (ret < 0) | |
6a7eba24 | 162 | PDEBUG(D_ERR, "reg_w err %d", ret); |
63eb9546 JFM |
163 | return ret; |
164 | } | |
165 | ||
739570bb | 166 | /* -- get a bulk value (4 bytes) -- */ |
63eb9546 | 167 | static int rcv_val(struct gspca_dev *gspca_dev, |
739570bb | 168 | int ads) |
63eb9546 JFM |
169 | { |
170 | struct usb_device *dev = gspca_dev->dev; | |
171 | int alen, ret; | |
63eb9546 | 172 | |
6a7eba24 JFM |
173 | reg_w(gspca_dev, 0x634, (ads >> 16) & 0xff); |
174 | reg_w(gspca_dev, 0x635, (ads >> 8) & 0xff); | |
175 | reg_w(gspca_dev, 0x636, ads & 0xff); | |
176 | reg_w(gspca_dev, 0x637, 0); | |
739570bb JFM |
177 | reg_w(gspca_dev, 0x638, 4); /* len & 0xff */ |
178 | reg_w(gspca_dev, 0x639, 0); /* len >> 8 */ | |
6a7eba24 JFM |
179 | reg_w(gspca_dev, 0x63a, 0); |
180 | reg_w(gspca_dev, 0x63b, 0); | |
181 | reg_w(gspca_dev, 0x630, 5); | |
63eb9546 | 182 | ret = usb_bulk_msg(dev, |
50e06dee | 183 | usb_rcvbulkpipe(dev, 0x05), |
739570bb JFM |
184 | gspca_dev->usb_buf, |
185 | 4, /* length */ | |
63eb9546 | 186 | &alen, |
739570bb | 187 | 500); /* timeout in milliseconds */ |
63eb9546 JFM |
188 | return ret; |
189 | } | |
190 | ||
739570bb | 191 | /* -- send a bulk value -- */ |
63eb9546 JFM |
192 | static int snd_val(struct gspca_dev *gspca_dev, |
193 | int ads, | |
194 | unsigned int val) | |
195 | { | |
196 | struct usb_device *dev = gspca_dev->dev; | |
197 | int alen, ret; | |
739570bb | 198 | __u8 seq = 0; |
63eb9546 JFM |
199 | |
200 | if (ads == 0x003f08) { | |
739570bb | 201 | ret = reg_r(gspca_dev, 0x0704); |
63eb9546 JFM |
202 | if (ret < 0) |
203 | goto ko; | |
739570bb | 204 | ret = reg_r(gspca_dev, 0x0705); |
63eb9546 JFM |
205 | if (ret < 0) |
206 | goto ko; | |
739570bb JFM |
207 | seq = ret; /* keep the sequence number */ |
208 | ret = reg_r(gspca_dev, 0x0650); | |
63eb9546 JFM |
209 | if (ret < 0) |
210 | goto ko; | |
6a7eba24 | 211 | reg_w(gspca_dev, 0x654, seq); |
739570bb | 212 | } else { |
6a7eba24 | 213 | reg_w(gspca_dev, 0x654, (ads >> 16) & 0xff); |
739570bb | 214 | } |
6a7eba24 JFM |
215 | reg_w(gspca_dev, 0x655, (ads >> 8) & 0xff); |
216 | reg_w(gspca_dev, 0x656, ads & 0xff); | |
217 | reg_w(gspca_dev, 0x657, 0); | |
218 | reg_w(gspca_dev, 0x658, 0x04); /* size */ | |
219 | reg_w(gspca_dev, 0x659, 0); | |
220 | reg_w(gspca_dev, 0x65a, 0); | |
221 | reg_w(gspca_dev, 0x65b, 0); | |
222 | reg_w(gspca_dev, 0x650, 5); | |
739570bb JFM |
223 | gspca_dev->usb_buf[0] = val >> 24; |
224 | gspca_dev->usb_buf[1] = val >> 16; | |
225 | gspca_dev->usb_buf[2] = val >> 8; | |
226 | gspca_dev->usb_buf[3] = val; | |
63eb9546 JFM |
227 | ret = usb_bulk_msg(dev, |
228 | usb_sndbulkpipe(dev, 6), | |
739570bb | 229 | gspca_dev->usb_buf, |
63eb9546 JFM |
230 | 4, |
231 | &alen, | |
232 | 500); /* timeout in milliseconds */ | |
233 | if (ret < 0) | |
234 | goto ko; | |
235 | if (ads == 0x003f08) { | |
236 | seq += 4; | |
237 | seq &= 0x3f; | |
6a7eba24 | 238 | reg_w(gspca_dev, 0x705, seq); |
63eb9546 JFM |
239 | } |
240 | return ret; | |
241 | ko: | |
242 | PDEBUG(D_ERR, "snd_val err %d", ret); | |
243 | return ret; | |
244 | } | |
245 | ||
246 | /* set a camera parameter */ | |
247 | static int set_par(struct gspca_dev *gspca_dev, | |
248 | int parval) | |
249 | { | |
250 | return snd_val(gspca_dev, 0x003f08, parval); | |
251 | } | |
252 | ||
253 | static void setbrightness(struct gspca_dev *gspca_dev) | |
254 | { | |
255 | struct sd *sd = (struct sd *) gspca_dev; | |
256 | int parval; | |
257 | ||
63eb9546 JFM |
258 | parval = 0x06000000 /* whiteness */ |
259 | + (sd->brightness << 16); | |
260 | set_par(gspca_dev, parval); | |
261 | } | |
262 | ||
263 | static void setcontrast(struct gspca_dev *gspca_dev) | |
264 | { | |
265 | struct sd *sd = (struct sd *) gspca_dev; | |
266 | int parval; | |
267 | ||
63eb9546 JFM |
268 | parval = 0x07000000 /* contrast */ |
269 | + (sd->contrast << 16); | |
270 | set_par(gspca_dev, parval); | |
271 | } | |
272 | ||
273 | static void setcolors(struct gspca_dev *gspca_dev) | |
274 | { | |
275 | struct sd *sd = (struct sd *) gspca_dev; | |
276 | int parval; | |
277 | ||
63eb9546 JFM |
278 | parval = 0x08000000 /* saturation */ |
279 | + (sd->colors << 16); | |
280 | set_par(gspca_dev, parval); | |
281 | } | |
282 | ||
6a7eba24 JFM |
283 | static void setfreq(struct gspca_dev *gspca_dev) |
284 | { | |
285 | struct sd *sd = (struct sd *) gspca_dev; | |
286 | ||
287 | set_par(gspca_dev, sd->lightfreq == 1 | |
288 | ? 0x33640000 /* 50 Hz */ | |
289 | : 0x33780000); /* 60 Hz */ | |
290 | } | |
291 | ||
63eb9546 JFM |
292 | /* this function is called at probe time */ |
293 | static int sd_config(struct gspca_dev *gspca_dev, | |
294 | const struct usb_device_id *id) | |
295 | { | |
296 | struct sd *sd = (struct sd *) gspca_dev; | |
63eb9546 | 297 | |
63eb9546 | 298 | gspca_dev->cam.cam_mode = vga_mode; |
739570bb | 299 | gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode); |
a5ae2062 JFM |
300 | sd->brightness = BRIGHTNESS_DEF; |
301 | sd->contrast = CONTRAST_DEF; | |
302 | sd->colors = COLOR_DEF; | |
303 | sd->lightfreq = FREQ_DEF; | |
63eb9546 JFM |
304 | return 0; |
305 | } | |
306 | ||
012d6b02 JFM |
307 | /* this function is called at probe and resume time */ |
308 | static int sd_init(struct gspca_dev *gspca_dev) | |
63eb9546 | 309 | { |
63eb9546 JFM |
310 | int ret; |
311 | ||
312 | /* check if the device responds */ | |
313 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); | |
739570bb | 314 | ret = reg_r(gspca_dev, 0x0740); |
63eb9546 JFM |
315 | if (ret < 0) |
316 | return ret; | |
739570bb JFM |
317 | if (ret != 0xff) { |
318 | PDEBUG(D_ERR|D_STREAM, "init reg: 0x%02x", ret); | |
63eb9546 JFM |
319 | return -1; |
320 | } | |
321 | return 0; | |
322 | } | |
323 | ||
324 | /* -- start the camera -- */ | |
72ab97ce | 325 | static int sd_start(struct gspca_dev *gspca_dev) |
63eb9546 | 326 | { |
63eb9546 JFM |
327 | int ret, value; |
328 | ||
329 | /* work on alternate 1 */ | |
330 | usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1); | |
331 | ||
332 | set_par(gspca_dev, 0x10000000); | |
333 | set_par(gspca_dev, 0x00000000); | |
334 | set_par(gspca_dev, 0x8002e001); | |
335 | set_par(gspca_dev, 0x14000000); | |
336 | if (gspca_dev->width > 320) | |
337 | value = 0x8002e001; /* 640x480 */ | |
338 | else | |
339 | value = 0x4001f000; /* 320x240 */ | |
340 | set_par(gspca_dev, value); | |
341 | ret = usb_set_interface(gspca_dev->dev, | |
342 | gspca_dev->iface, | |
343 | gspca_dev->alt); | |
6a7eba24 JFM |
344 | if (ret < 0) { |
345 | PDEBUG(D_ERR|D_STREAM, "set intf %d %d failed", | |
346 | gspca_dev->iface, gspca_dev->alt); | |
63eb9546 | 347 | goto out; |
6a7eba24 | 348 | } |
739570bb | 349 | ret = reg_r(gspca_dev, 0x0630); |
63eb9546 JFM |
350 | if (ret < 0) |
351 | goto out; | |
739570bb JFM |
352 | rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ |
353 | ret = reg_r(gspca_dev, 0x0650); | |
63eb9546 JFM |
354 | if (ret < 0) |
355 | goto out; | |
356 | snd_val(gspca_dev, 0x000020, 0xffffffff); | |
6a7eba24 JFM |
357 | reg_w(gspca_dev, 0x0620, 0); |
358 | reg_w(gspca_dev, 0x0630, 0); | |
359 | reg_w(gspca_dev, 0x0640, 0); | |
360 | reg_w(gspca_dev, 0x0650, 0); | |
361 | reg_w(gspca_dev, 0x0660, 0); | |
63eb9546 JFM |
362 | setbrightness(gspca_dev); /* whiteness */ |
363 | setcontrast(gspca_dev); /* contrast */ | |
364 | setcolors(gspca_dev); /* saturation */ | |
365 | set_par(gspca_dev, 0x09800000); /* Red ? */ | |
366 | set_par(gspca_dev, 0x0a800000); /* Green ? */ | |
367 | set_par(gspca_dev, 0x0b800000); /* Blue ? */ | |
368 | set_par(gspca_dev, 0x0d030000); /* Gamma ? */ | |
6a7eba24 | 369 | setfreq(gspca_dev); /* light frequency */ |
63eb9546 JFM |
370 | |
371 | /* start the video flow */ | |
372 | set_par(gspca_dev, 0x01000000); | |
373 | set_par(gspca_dev, 0x01000000); | |
374 | PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt); | |
72ab97ce | 375 | return 0; |
63eb9546 JFM |
376 | out: |
377 | PDEBUG(D_ERR|D_STREAM, "camera start err %d", ret); | |
72ab97ce | 378 | return ret; |
63eb9546 JFM |
379 | } |
380 | ||
381 | static void sd_stopN(struct gspca_dev *gspca_dev) | |
382 | { | |
383 | struct usb_device *dev = gspca_dev->dev; | |
63eb9546 JFM |
384 | |
385 | set_par(gspca_dev, 0x02000000); | |
386 | set_par(gspca_dev, 0x02000000); | |
387 | usb_set_interface(dev, gspca_dev->iface, 1); | |
739570bb JFM |
388 | reg_r(gspca_dev, 0x0630); |
389 | rcv_val(gspca_dev, 0x000020); /* << (value ff ff ff ff) */ | |
390 | reg_r(gspca_dev, 0x0650); | |
63eb9546 | 391 | snd_val(gspca_dev, 0x000020, 0xffffffff); |
6a7eba24 JFM |
392 | reg_w(gspca_dev, 0x0620, 0); |
393 | reg_w(gspca_dev, 0x0630, 0); | |
394 | reg_w(gspca_dev, 0x0640, 0); | |
395 | reg_w(gspca_dev, 0x0650, 0); | |
396 | reg_w(gspca_dev, 0x0660, 0); | |
63eb9546 JFM |
397 | PDEBUG(D_STREAM, "camera stopped"); |
398 | } | |
399 | ||
63eb9546 JFM |
400 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
401 | struct gspca_frame *frame, /* target */ | |
a5ae2062 | 402 | __u8 *data, /* isoc packet */ |
63eb9546 JFM |
403 | int len) /* iso packet length */ |
404 | { | |
4aa0d037 | 405 | static unsigned char ffd9[] = {0xff, 0xd9}; |
63eb9546 JFM |
406 | |
407 | /* a frame starts with: | |
408 | * - 0xff 0xfe | |
d43fa32f JFM |
409 | * - 0x08 0x00 - length (little endian ?!) |
410 | * - 4 bytes = size of whole frame (BE - including header) | |
63eb9546 JFM |
411 | * - 0x00 0x0c |
412 | * - 0xff 0xd8 | |
413 | * - .. JPEG image with escape sequences (ff 00) | |
d43fa32f | 414 | * (without ending - ff d9) |
63eb9546 JFM |
415 | */ |
416 | if (data[0] == 0xff && data[1] == 0xfe) { | |
d43fa32f JFM |
417 | frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, |
418 | ffd9, 2); | |
63eb9546 | 419 | |
d43fa32f | 420 | /* put the JPEG 411 header */ |
63eb9546 JFM |
421 | jpeg_put_header(gspca_dev, frame, sd_quant, 0x22); |
422 | ||
423 | /* beginning of the frame */ | |
424 | #define STKHDRSZ 12 | |
8843765e JFM |
425 | data += STKHDRSZ; |
426 | len -= STKHDRSZ; | |
63eb9546 | 427 | } |
63eb9546 | 428 | gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); |
63eb9546 JFM |
429 | } |
430 | ||
431 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) | |
432 | { | |
433 | struct sd *sd = (struct sd *) gspca_dev; | |
434 | ||
435 | sd->brightness = val; | |
436 | if (gspca_dev->streaming) | |
437 | setbrightness(gspca_dev); | |
438 | return 0; | |
439 | } | |
440 | ||
441 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) | |
442 | { | |
443 | struct sd *sd = (struct sd *) gspca_dev; | |
444 | ||
445 | *val = sd->brightness; | |
446 | return 0; | |
447 | } | |
448 | ||
449 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) | |
450 | { | |
451 | struct sd *sd = (struct sd *) gspca_dev; | |
452 | ||
453 | sd->contrast = val; | |
454 | if (gspca_dev->streaming) | |
455 | setcontrast(gspca_dev); | |
456 | return 0; | |
457 | } | |
458 | ||
459 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) | |
460 | { | |
461 | struct sd *sd = (struct sd *) gspca_dev; | |
462 | ||
463 | *val = sd->contrast; | |
464 | return 0; | |
465 | } | |
466 | ||
467 | static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) | |
468 | { | |
469 | struct sd *sd = (struct sd *) gspca_dev; | |
470 | ||
471 | sd->colors = val; | |
472 | if (gspca_dev->streaming) | |
473 | setcolors(gspca_dev); | |
474 | return 0; | |
475 | } | |
476 | ||
477 | static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) | |
478 | { | |
479 | struct sd *sd = (struct sd *) gspca_dev; | |
480 | ||
481 | *val = sd->colors; | |
482 | return 0; | |
483 | } | |
484 | ||
6a7eba24 JFM |
485 | static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val) |
486 | { | |
487 | struct sd *sd = (struct sd *) gspca_dev; | |
488 | ||
489 | sd->lightfreq = val; | |
490 | if (gspca_dev->streaming) | |
491 | setfreq(gspca_dev); | |
492 | return 0; | |
493 | } | |
494 | ||
495 | static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val) | |
496 | { | |
497 | struct sd *sd = (struct sd *) gspca_dev; | |
498 | ||
499 | *val = sd->lightfreq; | |
500 | return 0; | |
501 | } | |
502 | ||
503 | static int sd_querymenu(struct gspca_dev *gspca_dev, | |
504 | struct v4l2_querymenu *menu) | |
505 | { | |
506 | switch (menu->id) { | |
507 | case V4L2_CID_POWER_LINE_FREQUENCY: | |
508 | switch (menu->index) { | |
509 | case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ | |
a5ae2062 | 510 | strcpy((char *) menu->name, "50 Hz"); |
6a7eba24 JFM |
511 | return 0; |
512 | case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ | |
a5ae2062 | 513 | strcpy((char *) menu->name, "60 Hz"); |
6a7eba24 JFM |
514 | return 0; |
515 | } | |
516 | break; | |
517 | } | |
518 | return -EINVAL; | |
519 | } | |
520 | ||
63eb9546 | 521 | /* sub-driver description */ |
739570bb | 522 | static const struct sd_desc sd_desc = { |
63eb9546 JFM |
523 | .name = MODULE_NAME, |
524 | .ctrls = sd_ctrls, | |
739570bb | 525 | .nctrls = ARRAY_SIZE(sd_ctrls), |
63eb9546 | 526 | .config = sd_config, |
012d6b02 | 527 | .init = sd_init, |
63eb9546 JFM |
528 | .start = sd_start, |
529 | .stopN = sd_stopN, | |
63eb9546 | 530 | .pkt_scan = sd_pkt_scan, |
6a7eba24 | 531 | .querymenu = sd_querymenu, |
63eb9546 JFM |
532 | }; |
533 | ||
534 | /* -- module initialisation -- */ | |
739570bb | 535 | static const __devinitdata struct usb_device_id device_table[] = { |
9d64fdb1 | 536 | {USB_DEVICE(0x05e1, 0x0893)}, |
63eb9546 JFM |
537 | {} |
538 | }; | |
539 | MODULE_DEVICE_TABLE(usb, device_table); | |
540 | ||
541 | /* -- device connect -- */ | |
542 | static int sd_probe(struct usb_interface *intf, | |
543 | const struct usb_device_id *id) | |
544 | { | |
d43fa32f JFM |
545 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
546 | THIS_MODULE); | |
63eb9546 JFM |
547 | } |
548 | ||
549 | static struct usb_driver sd_driver = { | |
550 | .name = MODULE_NAME, | |
551 | .id_table = device_table, | |
552 | .probe = sd_probe, | |
553 | .disconnect = gspca_disconnect, | |
6a709749 JFM |
554 | #ifdef CONFIG_PM |
555 | .suspend = gspca_suspend, | |
556 | .resume = gspca_resume, | |
557 | #endif | |
63eb9546 JFM |
558 | }; |
559 | ||
560 | /* -- module insert / remove -- */ | |
561 | static int __init sd_mod_init(void) | |
562 | { | |
f69e9529 AK |
563 | int ret; |
564 | ret = usb_register(&sd_driver); | |
565 | if (ret < 0) | |
63eb9546 | 566 | return -1; |
10b0e96e | 567 | info("registered"); |
63eb9546 JFM |
568 | return 0; |
569 | } | |
570 | static void __exit sd_mod_exit(void) | |
571 | { | |
572 | usb_deregister(&sd_driver); | |
573 | info("deregistered"); | |
574 | } | |
575 | ||
576 | module_init(sd_mod_init); | |
577 | module_exit(sd_mod_exit); | |
578 | ||
63eb9546 JFM |
579 | module_param_named(quant, sd_quant, int, 0644); |
580 | MODULE_PARM_DESC(quant, "Quantization index (0..8)"); |