diff options
Diffstat (limited to 'drivers/media/video/gspca/jeilinj.c')
-rw-r--r-- | drivers/media/video/gspca/jeilinj.c | 601 |
1 files changed, 601 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/jeilinj.c b/drivers/media/video/gspca/jeilinj.c new file mode 100644 index 00000000000..1bd9c4b542d --- /dev/null +++ b/drivers/media/video/gspca/jeilinj.c | |||
@@ -0,0 +1,601 @@ | |||
1 | /* | ||
2 | * Jeilinj subdriver | ||
3 | * | ||
4 | * Supports some Jeilin dual-mode cameras which use bulk transport and | ||
5 | * download raw JPEG data. | ||
6 | * | ||
7 | * Copyright (C) 2009 Theodore Kilgore | ||
8 | * | ||
9 | * Sportscam DV15 support and control settings are | ||
10 | * Copyright (C) 2011 Patrice Chotard | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License as published by | ||
14 | * the Free Software Foundation; either version 2 of the License, or | ||
15 | * any later version. | ||
16 | * | ||
17 | * This program is distributed in the hope that it will be useful, | ||
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
20 | * GNU General Public License for more details. | ||
21 | * | ||
22 | * You should have received a copy of the GNU General Public License | ||
23 | * along with this program; if not, write to the Free Software | ||
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
25 | */ | ||
26 | |||
27 | #define MODULE_NAME "jeilinj" | ||
28 | |||
29 | #include <linux/slab.h> | ||
30 | #include "gspca.h" | ||
31 | #include "jpeg.h" | ||
32 | |||
33 | MODULE_AUTHOR("Theodore Kilgore <kilgota@auburn.edu>"); | ||
34 | MODULE_DESCRIPTION("GSPCA/JEILINJ USB Camera Driver"); | ||
35 | MODULE_LICENSE("GPL"); | ||
36 | |||
37 | /* Default timeouts, in ms */ | ||
38 | #define JEILINJ_CMD_TIMEOUT 500 | ||
39 | #define JEILINJ_CMD_DELAY 160 | ||
40 | #define JEILINJ_DATA_TIMEOUT 1000 | ||
41 | |||
42 | /* Maximum transfer size to use. */ | ||
43 | #define JEILINJ_MAX_TRANSFER 0x200 | ||
44 | #define FRAME_HEADER_LEN 0x10 | ||
45 | #define FRAME_START 0xFFFFFFFF | ||
46 | |||
47 | enum { | ||
48 | SAKAR_57379, | ||
49 | SPORTSCAM_DV15, | ||
50 | }; | ||
51 | |||
52 | #define CAMQUALITY_MIN 0 /* highest cam quality */ | ||
53 | #define CAMQUALITY_MAX 97 /* lowest cam quality */ | ||
54 | |||
55 | enum e_ctrl { | ||
56 | LIGHTFREQ, | ||
57 | AUTOGAIN, | ||
58 | RED, | ||
59 | GREEN, | ||
60 | BLUE, | ||
61 | NCTRLS /* number of controls */ | ||
62 | }; | ||
63 | |||
64 | /* Structure to hold all of our device specific stuff */ | ||
65 | struct sd { | ||
66 | struct gspca_dev gspca_dev; /* !! must be the first item */ | ||
67 | struct gspca_ctrl ctrls[NCTRLS]; | ||
68 | int blocks_left; | ||
69 | const struct v4l2_pix_format *cap_mode; | ||
70 | /* Driver stuff */ | ||
71 | u8 type; | ||
72 | u8 quality; /* image quality */ | ||
73 | #define QUALITY_MIN 35 | ||
74 | #define QUALITY_MAX 85 | ||
75 | #define QUALITY_DEF 85 | ||
76 | u8 jpeg_hdr[JPEG_HDR_SZ]; | ||
77 | }; | ||
78 | |||
79 | struct jlj_command { | ||
80 | unsigned char instruction[2]; | ||
81 | unsigned char ack_wanted; | ||
82 | unsigned char delay; | ||
83 | }; | ||
84 | |||
85 | /* AFAICT these cameras will only do 320x240. */ | ||
86 | static struct v4l2_pix_format jlj_mode[] = { | ||
87 | { 320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | ||
88 | .bytesperline = 320, | ||
89 | .sizeimage = 320 * 240, | ||
90 | .colorspace = V4L2_COLORSPACE_JPEG, | ||
91 | .priv = 0}, | ||
92 | { 640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, | ||
93 | .bytesperline = 640, | ||
94 | .sizeimage = 640 * 480, | ||
95 | .colorspace = V4L2_COLORSPACE_JPEG, | ||
96 | .priv = 0} | ||
97 | }; | ||
98 | |||
99 | /* | ||
100 | * cam uses endpoint 0x03 to send commands, 0x84 for read commands, | ||
101 | * and 0x82 for bulk transfer. | ||
102 | */ | ||
103 | |||
104 | /* All commands are two bytes only */ | ||
105 | static void jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command) | ||
106 | { | ||
107 | int retval; | ||
108 | |||
109 | if (gspca_dev->usb_err < 0) | ||
110 | return; | ||
111 | memcpy(gspca_dev->usb_buf, command, 2); | ||
112 | retval = usb_bulk_msg(gspca_dev->dev, | ||
113 | usb_sndbulkpipe(gspca_dev->dev, 3), | ||
114 | gspca_dev->usb_buf, 2, NULL, 500); | ||
115 | if (retval < 0) { | ||
116 | err("command write [%02x] error %d", | ||
117 | gspca_dev->usb_buf[0], retval); | ||
118 | gspca_dev->usb_err = retval; | ||
119 | } | ||
120 | } | ||
121 | |||
122 | /* Responses are one byte only */ | ||
123 | static void jlj_read1(struct gspca_dev *gspca_dev, unsigned char response) | ||
124 | { | ||
125 | int retval; | ||
126 | |||
127 | if (gspca_dev->usb_err < 0) | ||
128 | return; | ||
129 | retval = usb_bulk_msg(gspca_dev->dev, | ||
130 | usb_rcvbulkpipe(gspca_dev->dev, 0x84), | ||
131 | gspca_dev->usb_buf, 1, NULL, 500); | ||
132 | response = gspca_dev->usb_buf[0]; | ||
133 | if (retval < 0) { | ||
134 | err("read command [%02x] error %d", | ||
135 | gspca_dev->usb_buf[0], retval); | ||
136 | gspca_dev->usb_err = retval; | ||
137 | } | ||
138 | } | ||
139 | |||
140 | static void setfreq(struct gspca_dev *gspca_dev) | ||
141 | { | ||
142 | struct sd *sd = (struct sd *) gspca_dev; | ||
143 | u8 freq_commands[][2] = { | ||
144 | {0x71, 0x80}, | ||
145 | {0x70, 0x07} | ||
146 | }; | ||
147 | |||
148 | freq_commands[0][1] |= (sd->ctrls[LIGHTFREQ].val >> 1); | ||
149 | |||
150 | jlj_write2(gspca_dev, freq_commands[0]); | ||
151 | jlj_write2(gspca_dev, freq_commands[1]); | ||
152 | } | ||
153 | |||
154 | static void setcamquality(struct gspca_dev *gspca_dev) | ||
155 | { | ||
156 | struct sd *sd = (struct sd *) gspca_dev; | ||
157 | u8 quality_commands[][2] = { | ||
158 | {0x71, 0x1E}, | ||
159 | {0x70, 0x06} | ||
160 | }; | ||
161 | u8 camquality; | ||
162 | |||
163 | /* adapt camera quality from jpeg quality */ | ||
164 | camquality = ((QUALITY_MAX - sd->quality) * CAMQUALITY_MAX) | ||
165 | / (QUALITY_MAX - QUALITY_MIN); | ||
166 | quality_commands[0][1] += camquality; | ||
167 | |||
168 | jlj_write2(gspca_dev, quality_commands[0]); | ||
169 | jlj_write2(gspca_dev, quality_commands[1]); | ||
170 | } | ||
171 | |||
172 | static void setautogain(struct gspca_dev *gspca_dev) | ||
173 | { | ||
174 | struct sd *sd = (struct sd *) gspca_dev; | ||
175 | u8 autogain_commands[][2] = { | ||
176 | {0x94, 0x02}, | ||
177 | {0xcf, 0x00} | ||
178 | }; | ||
179 | |||
180 | autogain_commands[1][1] = (sd->ctrls[AUTOGAIN].val << 4); | ||
181 | |||
182 | jlj_write2(gspca_dev, autogain_commands[0]); | ||
183 | jlj_write2(gspca_dev, autogain_commands[1]); | ||
184 | } | ||
185 | |||
186 | static void setred(struct gspca_dev *gspca_dev) | ||
187 | { | ||
188 | struct sd *sd = (struct sd *) gspca_dev; | ||
189 | u8 setred_commands[][2] = { | ||
190 | {0x94, 0x02}, | ||
191 | {0xe6, 0x00} | ||
192 | }; | ||
193 | |||
194 | setred_commands[1][1] = sd->ctrls[RED].val; | ||
195 | |||
196 | jlj_write2(gspca_dev, setred_commands[0]); | ||
197 | jlj_write2(gspca_dev, setred_commands[1]); | ||
198 | } | ||
199 | |||
200 | static void setgreen(struct gspca_dev *gspca_dev) | ||
201 | { | ||
202 | struct sd *sd = (struct sd *) gspca_dev; | ||
203 | u8 setgreen_commands[][2] = { | ||
204 | {0x94, 0x02}, | ||
205 | {0xe7, 0x00} | ||
206 | }; | ||
207 | |||
208 | setgreen_commands[1][1] = sd->ctrls[GREEN].val; | ||
209 | |||
210 | jlj_write2(gspca_dev, setgreen_commands[0]); | ||
211 | jlj_write2(gspca_dev, setgreen_commands[1]); | ||
212 | } | ||
213 | |||
214 | static void setblue(struct gspca_dev *gspca_dev) | ||
215 | { | ||
216 | struct sd *sd = (struct sd *) gspca_dev; | ||
217 | u8 setblue_commands[][2] = { | ||
218 | {0x94, 0x02}, | ||
219 | {0xe9, 0x00} | ||
220 | }; | ||
221 | |||
222 | setblue_commands[1][1] = sd->ctrls[BLUE].val; | ||
223 | |||
224 | jlj_write2(gspca_dev, setblue_commands[0]); | ||
225 | jlj_write2(gspca_dev, setblue_commands[1]); | ||
226 | } | ||
227 | |||
228 | static const struct ctrl sd_ctrls[NCTRLS] = { | ||
229 | [LIGHTFREQ] = { | ||
230 | { | ||
231 | .id = V4L2_CID_POWER_LINE_FREQUENCY, | ||
232 | .type = V4L2_CTRL_TYPE_MENU, | ||
233 | .name = "Light frequency filter", | ||
234 | .minimum = V4L2_CID_POWER_LINE_FREQUENCY_DISABLED, /* 1 */ | ||
235 | .maximum = V4L2_CID_POWER_LINE_FREQUENCY_60HZ, /* 2 */ | ||
236 | .step = 1, | ||
237 | .default_value = V4L2_CID_POWER_LINE_FREQUENCY_60HZ, | ||
238 | }, | ||
239 | .set_control = setfreq | ||
240 | }, | ||
241 | [AUTOGAIN] = { | ||
242 | { | ||
243 | .id = V4L2_CID_AUTOGAIN, | ||
244 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
245 | .name = "Automatic Gain (and Exposure)", | ||
246 | .minimum = 0, | ||
247 | .maximum = 3, | ||
248 | .step = 1, | ||
249 | #define AUTOGAIN_DEF 0 | ||
250 | .default_value = AUTOGAIN_DEF, | ||
251 | }, | ||
252 | .set_control = setautogain | ||
253 | }, | ||
254 | [RED] = { | ||
255 | { | ||
256 | .id = V4L2_CID_RED_BALANCE, | ||
257 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
258 | .name = "red balance", | ||
259 | .minimum = 0, | ||
260 | .maximum = 3, | ||
261 | .step = 1, | ||
262 | #define RED_BALANCE_DEF 2 | ||
263 | .default_value = RED_BALANCE_DEF, | ||
264 | }, | ||
265 | .set_control = setred | ||
266 | }, | ||
267 | |||
268 | [GREEN] = { | ||
269 | { | ||
270 | .id = V4L2_CID_GAIN, | ||
271 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
272 | .name = "green balance", | ||
273 | .minimum = 0, | ||
274 | .maximum = 3, | ||
275 | .step = 1, | ||
276 | #define GREEN_BALANCE_DEF 2 | ||
277 | .default_value = GREEN_BALANCE_DEF, | ||
278 | }, | ||
279 | .set_control = setgreen | ||
280 | }, | ||
281 | [BLUE] = { | ||
282 | { | ||
283 | .id = V4L2_CID_BLUE_BALANCE, | ||
284 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
285 | .name = "blue balance", | ||
286 | .minimum = 0, | ||
287 | .maximum = 3, | ||
288 | .step = 1, | ||
289 | #define BLUE_BALANCE_DEF 2 | ||
290 | .default_value = BLUE_BALANCE_DEF, | ||
291 | }, | ||
292 | .set_control = setblue | ||
293 | }, | ||
294 | }; | ||
295 | |||
296 | static int jlj_start(struct gspca_dev *gspca_dev) | ||
297 | { | ||
298 | int i; | ||
299 | int start_commands_size; | ||
300 | u8 response = 0xff; | ||
301 | struct sd *sd = (struct sd *) gspca_dev; | ||
302 | struct jlj_command start_commands[] = { | ||
303 | {{0x71, 0x81}, 0, 0}, | ||
304 | {{0x70, 0x05}, 0, JEILINJ_CMD_DELAY}, | ||
305 | {{0x95, 0x70}, 1, 0}, | ||
306 | {{0x71, 0x81 - gspca_dev->curr_mode}, 0, 0}, | ||
307 | {{0x70, 0x04}, 0, JEILINJ_CMD_DELAY}, | ||
308 | {{0x95, 0x70}, 1, 0}, | ||
309 | {{0x71, 0x00}, 0, 0}, /* start streaming ??*/ | ||
310 | {{0x70, 0x08}, 0, JEILINJ_CMD_DELAY}, | ||
311 | {{0x95, 0x70}, 1, 0}, | ||
312 | #define SPORTSCAM_DV15_CMD_SIZE 9 | ||
313 | {{0x94, 0x02}, 0, 0}, | ||
314 | {{0xde, 0x24}, 0, 0}, | ||
315 | {{0x94, 0x02}, 0, 0}, | ||
316 | {{0xdd, 0xf0}, 0, 0}, | ||
317 | {{0x94, 0x02}, 0, 0}, | ||
318 | {{0xe3, 0x2c}, 0, 0}, | ||
319 | {{0x94, 0x02}, 0, 0}, | ||
320 | {{0xe4, 0x00}, 0, 0}, | ||
321 | {{0x94, 0x02}, 0, 0}, | ||
322 | {{0xe5, 0x00}, 0, 0}, | ||
323 | {{0x94, 0x02}, 0, 0}, | ||
324 | {{0xe6, 0x2c}, 0, 0}, | ||
325 | {{0x94, 0x03}, 0, 0}, | ||
326 | {{0xaa, 0x00}, 0, 0} | ||
327 | }; | ||
328 | |||
329 | sd->blocks_left = 0; | ||
330 | /* Under Windows, USB spy shows that only the 9 first start | ||
331 | * commands are used for SPORTSCAM_DV15 webcam | ||
332 | */ | ||
333 | if (sd->type == SPORTSCAM_DV15) | ||
334 | start_commands_size = SPORTSCAM_DV15_CMD_SIZE; | ||
335 | else | ||
336 | start_commands_size = ARRAY_SIZE(start_commands); | ||
337 | |||
338 | for (i = 0; i < start_commands_size; i++) { | ||
339 | jlj_write2(gspca_dev, start_commands[i].instruction); | ||
340 | if (start_commands[i].delay) | ||
341 | msleep(start_commands[i].delay); | ||
342 | if (start_commands[i].ack_wanted) | ||
343 | jlj_read1(gspca_dev, response); | ||
344 | } | ||
345 | setcamquality(gspca_dev); | ||
346 | msleep(2); | ||
347 | setfreq(gspca_dev); | ||
348 | if (gspca_dev->usb_err < 0) | ||
349 | PDEBUG(D_ERR, "Start streaming command failed"); | ||
350 | return gspca_dev->usb_err; | ||
351 | } | ||
352 | |||
353 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | ||
354 | u8 *data, int len) | ||
355 | { | ||
356 | struct sd *sd = (struct sd *) gspca_dev; | ||
357 | int packet_type; | ||
358 | u32 header_marker; | ||
359 | |||
360 | PDEBUG(D_STREAM, "Got %d bytes out of %d for Block 0", | ||
361 | len, JEILINJ_MAX_TRANSFER); | ||
362 | if (len != JEILINJ_MAX_TRANSFER) { | ||
363 | PDEBUG(D_PACK, "bad length"); | ||
364 | goto discard; | ||
365 | } | ||
366 | /* check if it's start of frame */ | ||
367 | header_marker = ((u32 *)data)[0]; | ||
368 | if (header_marker == FRAME_START) { | ||
369 | sd->blocks_left = data[0x0a] - 1; | ||
370 | PDEBUG(D_STREAM, "blocks_left = 0x%x", sd->blocks_left); | ||
371 | /* Start a new frame, and add the JPEG header, first thing */ | ||
372 | gspca_frame_add(gspca_dev, FIRST_PACKET, | ||
373 | sd->jpeg_hdr, JPEG_HDR_SZ); | ||
374 | /* Toss line 0 of data block 0, keep the rest. */ | ||
375 | gspca_frame_add(gspca_dev, INTER_PACKET, | ||
376 | data + FRAME_HEADER_LEN, | ||
377 | JEILINJ_MAX_TRANSFER - FRAME_HEADER_LEN); | ||
378 | } else if (sd->blocks_left > 0) { | ||
379 | PDEBUG(D_STREAM, "%d blocks remaining for frame", | ||
380 | sd->blocks_left); | ||
381 | sd->blocks_left -= 1; | ||
382 | if (sd->blocks_left == 0) | ||
383 | packet_type = LAST_PACKET; | ||
384 | else | ||
385 | packet_type = INTER_PACKET; | ||
386 | gspca_frame_add(gspca_dev, packet_type, | ||
387 | data, JEILINJ_MAX_TRANSFER); | ||
388 | } else | ||
389 | goto discard; | ||
390 | return; | ||
391 | discard: | ||
392 | /* Discard data until a new frame starts. */ | ||
393 | gspca_dev->last_packet_type = DISCARD_PACKET; | ||
394 | } | ||
395 | |||
396 | /* This function is called at probe time just before sd_init */ | ||
397 | static int sd_config(struct gspca_dev *gspca_dev, | ||
398 | const struct usb_device_id *id) | ||
399 | { | ||
400 | struct cam *cam = &gspca_dev->cam; | ||
401 | struct sd *dev = (struct sd *) gspca_dev; | ||
402 | |||
403 | dev->type = id->driver_info; | ||
404 | gspca_dev->cam.ctrls = dev->ctrls; | ||
405 | dev->quality = QUALITY_DEF; | ||
406 | dev->ctrls[LIGHTFREQ].def = V4L2_CID_POWER_LINE_FREQUENCY_60HZ; | ||
407 | dev->ctrls[RED].def = RED_BALANCE_DEF; | ||
408 | dev->ctrls[GREEN].def = GREEN_BALANCE_DEF; | ||
409 | dev->ctrls[BLUE].def = BLUE_BALANCE_DEF; | ||
410 | PDEBUG(D_PROBE, | ||
411 | "JEILINJ camera detected" | ||
412 | " (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct); | ||
413 | cam->cam_mode = jlj_mode; | ||
414 | cam->nmodes = ARRAY_SIZE(jlj_mode); | ||
415 | cam->bulk = 1; | ||
416 | cam->bulk_nurbs = 1; | ||
417 | cam->bulk_size = JEILINJ_MAX_TRANSFER; | ||
418 | return 0; | ||
419 | } | ||
420 | |||
421 | static void sd_stopN(struct gspca_dev *gspca_dev) | ||
422 | { | ||
423 | int i; | ||
424 | u8 *buf; | ||
425 | u8 stop_commands[][2] = { | ||
426 | {0x71, 0x00}, | ||
427 | {0x70, 0x09}, | ||
428 | {0x71, 0x80}, | ||
429 | {0x70, 0x05} | ||
430 | }; | ||
431 | |||
432 | for (;;) { | ||
433 | /* get the image remaining blocks */ | ||
434 | usb_bulk_msg(gspca_dev->dev, | ||
435 | gspca_dev->urb[0]->pipe, | ||
436 | gspca_dev->urb[0]->transfer_buffer, | ||
437 | JEILINJ_MAX_TRANSFER, NULL, | ||
438 | JEILINJ_DATA_TIMEOUT); | ||
439 | |||
440 | /* search for 0xff 0xd9 (EOF for JPEG) */ | ||
441 | i = 0; | ||
442 | buf = gspca_dev->urb[0]->transfer_buffer; | ||
443 | while ((i < (JEILINJ_MAX_TRANSFER - 1)) && | ||
444 | ((buf[i] != 0xff) || (buf[i+1] != 0xd9))) | ||
445 | i++; | ||
446 | |||
447 | if (i != (JEILINJ_MAX_TRANSFER - 1)) | ||
448 | /* last remaining block found */ | ||
449 | break; | ||
450 | } | ||
451 | |||
452 | for (i = 0; i < ARRAY_SIZE(stop_commands); i++) | ||
453 | jlj_write2(gspca_dev, stop_commands[i]); | ||
454 | } | ||
455 | |||
456 | /* this function is called at probe and resume time */ | ||
457 | static int sd_init(struct gspca_dev *gspca_dev) | ||
458 | { | ||
459 | return gspca_dev->usb_err; | ||
460 | } | ||
461 | |||
462 | /* Set up for getting frames. */ | ||
463 | static int sd_start(struct gspca_dev *gspca_dev) | ||
464 | { | ||
465 | struct sd *dev = (struct sd *) gspca_dev; | ||
466 | |||
467 | /* create the JPEG header */ | ||
468 | jpeg_define(dev->jpeg_hdr, gspca_dev->height, gspca_dev->width, | ||
469 | 0x21); /* JPEG 422 */ | ||
470 | jpeg_set_qual(dev->jpeg_hdr, dev->quality); | ||
471 | PDEBUG(D_STREAM, "Start streaming at %dx%d", | ||
472 | gspca_dev->height, gspca_dev->width); | ||
473 | jlj_start(gspca_dev); | ||
474 | return gspca_dev->usb_err; | ||
475 | } | ||
476 | |||
477 | /* Table of supported USB devices */ | ||
478 | static const struct usb_device_id device_table[] = { | ||
479 | {USB_DEVICE(0x0979, 0x0280), .driver_info = SAKAR_57379}, | ||
480 | {USB_DEVICE(0x0979, 0x0270), .driver_info = SPORTSCAM_DV15}, | ||
481 | {} | ||
482 | }; | ||
483 | |||
484 | MODULE_DEVICE_TABLE(usb, device_table); | ||
485 | |||
486 | static int sd_querymenu(struct gspca_dev *gspca_dev, | ||
487 | struct v4l2_querymenu *menu) | ||
488 | { | ||
489 | switch (menu->id) { | ||
490 | case V4L2_CID_POWER_LINE_FREQUENCY: | ||
491 | switch (menu->index) { | ||
492 | case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ | ||
493 | strcpy((char *) menu->name, "disable"); | ||
494 | return 0; | ||
495 | case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ | ||
496 | strcpy((char *) menu->name, "50 Hz"); | ||
497 | return 0; | ||
498 | case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ | ||
499 | strcpy((char *) menu->name, "60 Hz"); | ||
500 | return 0; | ||
501 | } | ||
502 | break; | ||
503 | } | ||
504 | return -EINVAL; | ||
505 | } | ||
506 | |||
507 | static int sd_set_jcomp(struct gspca_dev *gspca_dev, | ||
508 | struct v4l2_jpegcompression *jcomp) | ||
509 | { | ||
510 | struct sd *sd = (struct sd *) gspca_dev; | ||
511 | |||
512 | if (jcomp->quality < QUALITY_MIN) | ||
513 | sd->quality = QUALITY_MIN; | ||
514 | else if (jcomp->quality > QUALITY_MAX) | ||
515 | sd->quality = QUALITY_MAX; | ||
516 | else | ||
517 | sd->quality = jcomp->quality; | ||
518 | if (gspca_dev->streaming) { | ||
519 | jpeg_set_qual(sd->jpeg_hdr, sd->quality); | ||
520 | setcamquality(gspca_dev); | ||
521 | } | ||
522 | return 0; | ||
523 | } | ||
524 | |||
525 | static int sd_get_jcomp(struct gspca_dev *gspca_dev, | ||
526 | struct v4l2_jpegcompression *jcomp) | ||
527 | { | ||
528 | struct sd *sd = (struct sd *) gspca_dev; | ||
529 | |||
530 | memset(jcomp, 0, sizeof *jcomp); | ||
531 | jcomp->quality = sd->quality; | ||
532 | jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT | ||
533 | | V4L2_JPEG_MARKER_DQT; | ||
534 | return 0; | ||
535 | } | ||
536 | |||
537 | |||
538 | /* sub-driver description */ | ||
539 | static const struct sd_desc sd_desc_sakar_57379 = { | ||
540 | .name = MODULE_NAME, | ||
541 | .config = sd_config, | ||
542 | .init = sd_init, | ||
543 | .start = sd_start, | ||
544 | .stopN = sd_stopN, | ||
545 | .pkt_scan = sd_pkt_scan, | ||
546 | }; | ||
547 | |||
548 | /* sub-driver description */ | ||
549 | static const struct sd_desc sd_desc_sportscam_dv15 = { | ||
550 | .name = MODULE_NAME, | ||
551 | .config = sd_config, | ||
552 | .init = sd_init, | ||
553 | .start = sd_start, | ||
554 | .stopN = sd_stopN, | ||
555 | .pkt_scan = sd_pkt_scan, | ||
556 | .ctrls = sd_ctrls, | ||
557 | .nctrls = ARRAY_SIZE(sd_ctrls), | ||
558 | .querymenu = sd_querymenu, | ||
559 | .get_jcomp = sd_get_jcomp, | ||
560 | .set_jcomp = sd_set_jcomp, | ||
561 | }; | ||
562 | |||
563 | static const struct sd_desc *sd_desc[2] = { | ||
564 | &sd_desc_sakar_57379, | ||
565 | &sd_desc_sportscam_dv15 | ||
566 | }; | ||
567 | |||
568 | /* -- device connect -- */ | ||
569 | static int sd_probe(struct usb_interface *intf, | ||
570 | const struct usb_device_id *id) | ||
571 | { | ||
572 | return gspca_dev_probe(intf, id, | ||
573 | sd_desc[id->driver_info], | ||
574 | sizeof(struct sd), | ||
575 | THIS_MODULE); | ||
576 | } | ||
577 | |||
578 | static struct usb_driver sd_driver = { | ||
579 | .name = MODULE_NAME, | ||
580 | .id_table = device_table, | ||
581 | .probe = sd_probe, | ||
582 | .disconnect = gspca_disconnect, | ||
583 | #ifdef CONFIG_PM | ||
584 | .suspend = gspca_suspend, | ||
585 | .resume = gspca_resume, | ||
586 | #endif | ||
587 | }; | ||
588 | |||
589 | /* -- module insert / remove -- */ | ||
590 | static int __init sd_mod_init(void) | ||
591 | { | ||
592 | return usb_register(&sd_driver); | ||
593 | } | ||
594 | |||
595 | static void __exit sd_mod_exit(void) | ||
596 | { | ||
597 | usb_deregister(&sd_driver); | ||
598 | } | ||
599 | |||
600 | module_init(sd_mod_init); | ||
601 | module_exit(sd_mod_exit); | ||