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1da177e4 LT |
1 | /* |
2 | * konicawc.c - konica webcam driver | |
3 | * | |
4 | * Author: Simon Evans <spse@secret.org.uk> | |
5 | * | |
6 | * Copyright (C) 2002 Simon Evans | |
7 | * | |
8 | * Licence: GPL | |
9 | * | |
10 | * Driver for USB webcams based on Konica chipset. This | |
11 | * chipset is used in Intel YC76 camera. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/init.h> | |
ae0dadcf | 18 | #include <linux/usb/input.h> |
1da177e4 LT |
19 | |
20 | #include "usbvideo.h" | |
21 | ||
22 | #define MAX_BRIGHTNESS 108 | |
23 | #define MAX_CONTRAST 108 | |
24 | #define MAX_SATURATION 108 | |
25 | #define MAX_SHARPNESS 108 | |
26 | #define MAX_WHITEBAL 372 | |
27 | #define MAX_SPEED 6 | |
28 | ||
29 | ||
30 | #define MAX_CAMERAS 1 | |
31 | ||
32 | #define DRIVER_VERSION "v1.4" | |
33 | #define DRIVER_DESC "Konica Webcam driver" | |
34 | ||
35 | enum ctrl_req { | |
36 | SetWhitebal = 0x01, | |
37 | SetBrightness = 0x02, | |
d56410e0 | 38 | SetSharpness = 0x03, |
1da177e4 LT |
39 | SetContrast = 0x04, |
40 | SetSaturation = 0x05, | |
41 | }; | |
42 | ||
43 | ||
44 | enum frame_sizes { | |
45 | SIZE_160X120 = 0, | |
46 | SIZE_160X136 = 1, | |
47 | SIZE_176X144 = 2, | |
48 | SIZE_320X240 = 3, | |
d56410e0 | 49 | |
1da177e4 LT |
50 | }; |
51 | ||
52 | #define MAX_FRAME_SIZE SIZE_320X240 | |
53 | ||
54 | static struct usbvideo *cams; | |
55 | ||
56 | #ifdef CONFIG_USB_DEBUG | |
57 | static int debug; | |
58 | #define DEBUG(n, format, arg...) \ | |
59 | if (n <= debug) { \ | |
60 | printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __FUNCTION__ , ## arg); \ | |
61 | } | |
62 | #else | |
63 | #define DEBUG(n, arg...) | |
ff699e6b | 64 | static const int debug; |
1da177e4 LT |
65 | #endif |
66 | ||
67 | ||
68 | /* Some default values for initial camera settings, | |
69 | can be set by modprobe */ | |
70 | ||
d56410e0 | 71 | static int size; |
1da177e4 LT |
72 | static int speed = 6; /* Speed (fps) 0 (slowest) to 6 (fastest) */ |
73 | static int brightness = MAX_BRIGHTNESS/2; | |
74 | static int contrast = MAX_CONTRAST/2; | |
75 | static int saturation = MAX_SATURATION/2; | |
76 | static int sharpness = MAX_SHARPNESS/2; | |
77 | static int whitebal = 3*(MAX_WHITEBAL/4); | |
78 | ||
4c4c9432 | 79 | static const int spd_to_iface[] = { 1, 0, 3, 2, 4, 5, 6 }; |
1da177e4 LT |
80 | |
81 | /* These FPS speeds are from the windows config box. They are | |
82 | * indexed on size (0-2) and speed (0-6). Divide by 3 to get the | |
83 | * real fps. | |
84 | */ | |
85 | ||
4c4c9432 | 86 | static const int spd_to_fps[][7] = { { 24, 40, 48, 60, 72, 80, 100 }, |
1da177e4 LT |
87 | { 24, 40, 48, 60, 72, 80, 100 }, |
88 | { 18, 30, 36, 45, 54, 60, 75 }, | |
89 | { 6, 10, 12, 15, 18, 21, 25 } }; | |
90 | ||
91 | struct cam_size { | |
92 | u16 width; | |
93 | u16 height; | |
94 | u8 cmd; | |
95 | }; | |
96 | ||
4c4c9432 | 97 | static const struct cam_size camera_sizes[] = { { 160, 120, 0x7 }, |
1da177e4 LT |
98 | { 160, 136, 0xa }, |
99 | { 176, 144, 0x4 }, | |
100 | { 320, 240, 0x5 } }; | |
101 | ||
102 | struct konicawc { | |
103 | u8 brightness; /* camera uses 0 - 9, x11 for real value */ | |
104 | u8 contrast; /* as above */ | |
105 | u8 saturation; /* as above */ | |
106 | u8 sharpness; /* as above */ | |
107 | u8 white_bal; /* 0 - 33, x11 for real value */ | |
108 | u8 speed; /* Stored as 0 - 6, used as index in spd_to_* (above) */ | |
109 | u8 size; /* Frame Size */ | |
110 | int height; | |
111 | int width; | |
112 | struct urb *sts_urb[USBVIDEO_NUMSBUF]; | |
113 | u8 sts_buf[USBVIDEO_NUMSBUF][FRAMES_PER_DESC]; | |
114 | struct urb *last_data_urb; | |
115 | int lastframe; | |
116 | int cur_frame_size; /* number of bytes in current frame size */ | |
117 | int maxline; /* number of lines per frame */ | |
118 | int yplanesz; /* Number of bytes in the Y plane */ | |
119 | unsigned int buttonsts:1; | |
120 | #ifdef CONFIG_INPUT | |
0259567a | 121 | struct input_dev *input; |
1da177e4 LT |
122 | char input_physname[64]; |
123 | #endif | |
124 | }; | |
125 | ||
126 | ||
127 | #define konicawc_set_misc(uvd, req, value, index) konicawc_ctrl_msg(uvd, USB_DIR_OUT, req, value, index, NULL, 0) | |
128 | #define konicawc_get_misc(uvd, req, value, index, buf, sz) konicawc_ctrl_msg(uvd, USB_DIR_IN, req, value, index, buf, sz) | |
129 | #define konicawc_set_value(uvd, value, index) konicawc_ctrl_msg(uvd, USB_DIR_OUT, 2, value, index, NULL, 0) | |
130 | ||
131 | ||
132 | static int konicawc_ctrl_msg(struct uvd *uvd, u8 dir, u8 request, u16 value, u16 index, void *buf, int len) | |
133 | { | |
d56410e0 | 134 | int retval = usb_control_msg(uvd->dev, |
1da177e4 LT |
135 | dir ? usb_rcvctrlpipe(uvd->dev, 0) : usb_sndctrlpipe(uvd->dev, 0), |
136 | request, 0x40 | dir, value, index, buf, len, 1000); | |
d56410e0 | 137 | return retval < 0 ? retval : 0; |
1da177e4 LT |
138 | } |
139 | ||
140 | ||
141 | static inline void konicawc_camera_on(struct uvd *uvd) | |
142 | { | |
d56410e0 MCC |
143 | DEBUG(0, "camera on"); |
144 | konicawc_set_misc(uvd, 0x2, 1, 0x0b); | |
1da177e4 LT |
145 | } |
146 | ||
147 | ||
148 | static inline void konicawc_camera_off(struct uvd *uvd) | |
149 | { | |
d56410e0 MCC |
150 | DEBUG(0, "camera off"); |
151 | konicawc_set_misc(uvd, 0x2, 0, 0x0b); | |
1da177e4 LT |
152 | } |
153 | ||
154 | ||
155 | static void konicawc_set_camera_size(struct uvd *uvd) | |
156 | { | |
157 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
158 | ||
159 | konicawc_set_misc(uvd, 0x2, camera_sizes[cam->size].cmd, 0x08); | |
160 | cam->width = camera_sizes[cam->size].width; | |
161 | cam->height = camera_sizes[cam->size].height; | |
162 | cam->yplanesz = cam->height * cam->width; | |
163 | cam->cur_frame_size = (cam->yplanesz * 3) / 2; | |
164 | cam->maxline = cam->yplanesz / 256; | |
165 | uvd->videosize = VIDEOSIZE(cam->width, cam->height); | |
166 | } | |
167 | ||
168 | ||
169 | static int konicawc_setup_on_open(struct uvd *uvd) | |
170 | { | |
171 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
172 | ||
173 | DEBUG(1, "setting brightness to %d (%d)", cam->brightness, | |
174 | cam->brightness * 11); | |
175 | konicawc_set_value(uvd, cam->brightness, SetBrightness); | |
176 | DEBUG(1, "setting white balance to %d (%d)", cam->white_bal, | |
177 | cam->white_bal * 11); | |
178 | konicawc_set_value(uvd, cam->white_bal, SetWhitebal); | |
179 | DEBUG(1, "setting contrast to %d (%d)", cam->contrast, | |
180 | cam->contrast * 11); | |
181 | konicawc_set_value(uvd, cam->contrast, SetContrast); | |
182 | DEBUG(1, "setting saturation to %d (%d)", cam->saturation, | |
183 | cam->saturation * 11); | |
184 | konicawc_set_value(uvd, cam->saturation, SetSaturation); | |
185 | DEBUG(1, "setting sharpness to %d (%d)", cam->sharpness, | |
186 | cam->sharpness * 11); | |
187 | konicawc_set_value(uvd, cam->sharpness, SetSharpness); | |
188 | konicawc_set_camera_size(uvd); | |
189 | cam->lastframe = -2; | |
190 | cam->buttonsts = 0; | |
191 | return 0; | |
192 | } | |
193 | ||
194 | ||
195 | static void konicawc_adjust_picture(struct uvd *uvd) | |
196 | { | |
197 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
198 | ||
199 | konicawc_camera_off(uvd); | |
200 | DEBUG(1, "new brightness: %d", uvd->vpic.brightness); | |
201 | uvd->vpic.brightness = (uvd->vpic.brightness > MAX_BRIGHTNESS) ? MAX_BRIGHTNESS : uvd->vpic.brightness; | |
202 | if(cam->brightness != uvd->vpic.brightness / 11) { | |
203 | cam->brightness = uvd->vpic.brightness / 11; | |
204 | DEBUG(1, "setting brightness to %d (%d)", cam->brightness, | |
205 | cam->brightness * 11); | |
206 | konicawc_set_value(uvd, cam->brightness, SetBrightness); | |
207 | } | |
208 | ||
209 | DEBUG(1, "new contrast: %d", uvd->vpic.contrast); | |
210 | uvd->vpic.contrast = (uvd->vpic.contrast > MAX_CONTRAST) ? MAX_CONTRAST : uvd->vpic.contrast; | |
211 | if(cam->contrast != uvd->vpic.contrast / 11) { | |
212 | cam->contrast = uvd->vpic.contrast / 11; | |
213 | DEBUG(1, "setting contrast to %d (%d)", cam->contrast, | |
214 | cam->contrast * 11); | |
215 | konicawc_set_value(uvd, cam->contrast, SetContrast); | |
216 | } | |
217 | konicawc_camera_on(uvd); | |
218 | } | |
219 | ||
0259567a DT |
220 | #ifdef CONFIG_INPUT |
221 | ||
222 | static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev) | |
223 | { | |
224 | struct input_dev *input_dev; | |
56b8df11 | 225 | int error; |
0259567a DT |
226 | |
227 | usb_make_path(dev, cam->input_physname, sizeof(cam->input_physname)); | |
228 | strncat(cam->input_physname, "/input0", sizeof(cam->input_physname)); | |
229 | ||
230 | cam->input = input_dev = input_allocate_device(); | |
231 | if (!input_dev) { | |
232 | warn("Not enough memory for camera's input device\n"); | |
233 | return; | |
234 | } | |
235 | ||
236 | input_dev->name = "Konicawc snapshot button"; | |
237 | input_dev->phys = cam->input_physname; | |
238 | usb_to_input_id(dev, &input_dev->id); | |
2c8a3a33 | 239 | input_dev->dev.parent = &dev->dev; |
0259567a | 240 | |
7b19ada2 JS |
241 | input_dev->evbit[0] = BIT_MASK(EV_KEY); |
242 | input_dev->keybit[BIT_WORD(BTN_0)] = BIT_MASK(BTN_0); | |
0259567a | 243 | |
56b8df11 DT |
244 | error = input_register_device(cam->input); |
245 | if (error) { | |
246 | warn("Failed to register camera's input device, err: %d\n", | |
247 | error); | |
248 | input_free_device(cam->input); | |
249 | cam->input = NULL; | |
250 | } | |
0259567a DT |
251 | } |
252 | ||
253 | static void konicawc_unregister_input(struct konicawc *cam) | |
254 | { | |
255 | if (cam->input) { | |
256 | input_unregister_device(cam->input); | |
257 | cam->input = NULL; | |
258 | } | |
259 | } | |
260 | ||
261 | static void konicawc_report_buttonstat(struct konicawc *cam) | |
262 | { | |
263 | if (cam->input) { | |
264 | input_report_key(cam->input, BTN_0, cam->buttonsts); | |
265 | input_sync(cam->input); | |
266 | } | |
267 | } | |
268 | ||
269 | #else | |
270 | ||
271 | static inline void konicawc_register_input(struct konicawc *cam, struct usb_device *dev) { } | |
272 | static inline void konicawc_unregister_input(struct konicawc *cam) { } | |
273 | static inline void konicawc_report_buttonstat(struct konicawc *cam) { } | |
274 | ||
275 | #endif /* CONFIG_INPUT */ | |
1da177e4 LT |
276 | |
277 | static int konicawc_compress_iso(struct uvd *uvd, struct urb *dataurb, struct urb *stsurb) | |
278 | { | |
279 | char *cdata; | |
280 | int i, totlen = 0; | |
281 | unsigned char *status = stsurb->transfer_buffer; | |
282 | int keep = 0, discard = 0, bad = 0; | |
283 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
284 | ||
285 | for (i = 0; i < dataurb->number_of_packets; i++) { | |
286 | int button = cam->buttonsts; | |
287 | unsigned char sts; | |
288 | int n = dataurb->iso_frame_desc[i].actual_length; | |
289 | int st = dataurb->iso_frame_desc[i].status; | |
290 | cdata = dataurb->transfer_buffer + | |
291 | dataurb->iso_frame_desc[i].offset; | |
292 | ||
293 | /* Detect and ignore errored packets */ | |
294 | if (st < 0) { | |
295 | DEBUG(1, "Data error: packet=%d. len=%d. status=%d.", | |
296 | i, n, st); | |
297 | uvd->stats.iso_err_count++; | |
298 | continue; | |
299 | } | |
300 | ||
301 | /* Detect and ignore empty packets */ | |
302 | if (n <= 0) { | |
303 | uvd->stats.iso_skip_count++; | |
304 | continue; | |
305 | } | |
306 | ||
307 | /* See what the status data said about the packet */ | |
308 | sts = *(status+stsurb->iso_frame_desc[i].offset); | |
309 | ||
310 | /* sts: 0x80-0xff: frame start with frame number (ie 0-7f) | |
311 | * otherwise: | |
312 | * bit 0 0: keep packet | |
313 | * 1: drop packet (padding data) | |
314 | * | |
315 | * bit 4 0 button not clicked | |
316 | * 1 button clicked | |
317 | * button is used to `take a picture' (in software) | |
318 | */ | |
319 | ||
320 | if(sts < 0x80) { | |
321 | button = !!(sts & 0x40); | |
322 | sts &= ~0x40; | |
323 | } | |
d56410e0 | 324 | |
1da177e4 LT |
325 | /* work out the button status, but don't do |
326 | anything with it for now */ | |
327 | ||
328 | if(button != cam->buttonsts) { | |
329 | DEBUG(2, "button: %sclicked", button ? "" : "un"); | |
330 | cam->buttonsts = button; | |
0259567a | 331 | konicawc_report_buttonstat(cam); |
1da177e4 LT |
332 | } |
333 | ||
334 | if(sts == 0x01) { /* drop frame */ | |
335 | discard++; | |
336 | continue; | |
337 | } | |
d56410e0 | 338 | |
1da177e4 LT |
339 | if((sts > 0x01) && (sts < 0x80)) { |
340 | info("unknown status %2.2x", sts); | |
341 | bad++; | |
342 | continue; | |
343 | } | |
344 | if(!sts && cam->lastframe == -2) { | |
345 | DEBUG(2, "dropping frame looking for image start"); | |
346 | continue; | |
347 | } | |
348 | ||
349 | keep++; | |
350 | if(sts & 0x80) { /* frame start */ | |
351 | unsigned char marker[] = { 0, 0xff, 0, 0x00 }; | |
352 | ||
353 | if(cam->lastframe == -2) { | |
354 | DEBUG(2, "found initial image"); | |
355 | cam->lastframe = -1; | |
356 | } | |
d56410e0 | 357 | |
1da177e4 LT |
358 | marker[3] = sts & 0x7F; |
359 | RingQueue_Enqueue(&uvd->dp, marker, 4); | |
360 | totlen += 4; | |
361 | } | |
362 | ||
363 | totlen += n; /* Little local accounting */ | |
364 | RingQueue_Enqueue(&uvd->dp, cdata, n); | |
365 | } | |
366 | DEBUG(8, "finished: keep = %d discard = %d bad = %d added %d bytes", | |
367 | keep, discard, bad, totlen); | |
368 | return totlen; | |
369 | } | |
370 | ||
371 | ||
372 | static void resubmit_urb(struct uvd *uvd, struct urb *urb) | |
373 | { | |
d56410e0 MCC |
374 | int i, ret; |
375 | for (i = 0; i < FRAMES_PER_DESC; i++) { | |
376 | urb->iso_frame_desc[i].status = 0; | |
377 | } | |
378 | urb->dev = uvd->dev; | |
379 | urb->status = 0; | |
1da177e4 LT |
380 | ret = usb_submit_urb(urb, GFP_ATOMIC); |
381 | DEBUG(3, "submitting urb of length %d", urb->transfer_buffer_length); | |
d56410e0 MCC |
382 | if(ret) |
383 | err("usb_submit_urb error (%d)", ret); | |
1da177e4 LT |
384 | |
385 | } | |
386 | ||
387 | ||
7d12e780 | 388 | static void konicawc_isoc_irq(struct urb *urb) |
1da177e4 LT |
389 | { |
390 | struct uvd *uvd = urb->context; | |
391 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
392 | ||
393 | /* We don't want to do anything if we are about to be removed! */ | |
394 | if (!CAMERA_IS_OPERATIONAL(uvd)) | |
395 | return; | |
396 | ||
397 | if (!uvd->streaming) { | |
398 | DEBUG(1, "Not streaming, but interrupt!"); | |
399 | return; | |
400 | } | |
401 | ||
402 | DEBUG(3, "got frame %d len = %d buflen =%d", urb->start_frame, urb->actual_length, urb->transfer_buffer_length); | |
403 | ||
404 | uvd->stats.urb_count++; | |
405 | ||
406 | if (urb->transfer_buffer_length > 32) { | |
407 | cam->last_data_urb = urb; | |
408 | return; | |
409 | } | |
410 | /* Copy the data received into ring queue */ | |
411 | if(cam->last_data_urb) { | |
412 | int len = 0; | |
413 | if(urb->start_frame != cam->last_data_urb->start_frame) | |
414 | err("Lost sync on frames"); | |
415 | else if (!urb->status && !cam->last_data_urb->status) | |
416 | len = konicawc_compress_iso(uvd, cam->last_data_urb, urb); | |
417 | ||
418 | resubmit_urb(uvd, cam->last_data_urb); | |
419 | resubmit_urb(uvd, urb); | |
420 | cam->last_data_urb = NULL; | |
421 | uvd->stats.urb_length = len; | |
422 | uvd->stats.data_count += len; | |
423 | if(len) | |
424 | RingQueue_WakeUpInterruptible(&uvd->dp); | |
425 | return; | |
426 | } | |
427 | return; | |
428 | } | |
429 | ||
430 | ||
431 | static int konicawc_start_data(struct uvd *uvd) | |
432 | { | |
433 | struct usb_device *dev = uvd->dev; | |
434 | int i, errFlag; | |
435 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
436 | int pktsz; | |
437 | struct usb_interface *intf; | |
438 | struct usb_host_interface *interface = NULL; | |
439 | ||
440 | intf = usb_ifnum_to_if(dev, uvd->iface); | |
441 | if (intf) | |
442 | interface = usb_altnum_to_altsetting(intf, | |
443 | spd_to_iface[cam->speed]); | |
444 | if (!interface) | |
445 | return -ENXIO; | |
446 | pktsz = le16_to_cpu(interface->endpoint[1].desc.wMaxPacketSize); | |
447 | DEBUG(1, "pktsz = %d", pktsz); | |
448 | if (!CAMERA_IS_OPERATIONAL(uvd)) { | |
449 | err("Camera is not operational"); | |
450 | return -EFAULT; | |
451 | } | |
452 | uvd->curframe = -1; | |
453 | konicawc_camera_on(uvd); | |
454 | /* Alternate interface 1 is is the biggest frame size */ | |
455 | i = usb_set_interface(dev, uvd->iface, uvd->ifaceAltActive); | |
456 | if (i < 0) { | |
457 | err("usb_set_interface error"); | |
458 | uvd->last_error = i; | |
459 | return -EBUSY; | |
460 | } | |
461 | ||
462 | /* We double buffer the Iso lists */ | |
463 | for (i=0; i < USBVIDEO_NUMSBUF; i++) { | |
464 | int j, k; | |
465 | struct urb *urb = uvd->sbuf[i].urb; | |
466 | urb->dev = dev; | |
467 | urb->context = uvd; | |
468 | urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp); | |
469 | urb->interval = 1; | |
470 | urb->transfer_flags = URB_ISO_ASAP; | |
471 | urb->transfer_buffer = uvd->sbuf[i].data; | |
472 | urb->complete = konicawc_isoc_irq; | |
473 | urb->number_of_packets = FRAMES_PER_DESC; | |
474 | urb->transfer_buffer_length = pktsz * FRAMES_PER_DESC; | |
475 | for (j=k=0; j < FRAMES_PER_DESC; j++, k += pktsz) { | |
476 | urb->iso_frame_desc[j].offset = k; | |
477 | urb->iso_frame_desc[j].length = pktsz; | |
478 | } | |
479 | ||
480 | urb = cam->sts_urb[i]; | |
481 | urb->dev = dev; | |
482 | urb->context = uvd; | |
483 | urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp-1); | |
484 | urb->interval = 1; | |
485 | urb->transfer_flags = URB_ISO_ASAP; | |
486 | urb->transfer_buffer = cam->sts_buf[i]; | |
487 | urb->complete = konicawc_isoc_irq; | |
488 | urb->number_of_packets = FRAMES_PER_DESC; | |
489 | urb->transfer_buffer_length = FRAMES_PER_DESC; | |
490 | for (j=0; j < FRAMES_PER_DESC; j++) { | |
491 | urb->iso_frame_desc[j].offset = j; | |
492 | urb->iso_frame_desc[j].length = 1; | |
493 | } | |
494 | } | |
495 | ||
496 | cam->last_data_urb = NULL; | |
d56410e0 | 497 | |
1da177e4 LT |
498 | /* Submit all URBs */ |
499 | for (i=0; i < USBVIDEO_NUMSBUF; i++) { | |
500 | errFlag = usb_submit_urb(cam->sts_urb[i], GFP_KERNEL); | |
501 | if (errFlag) | |
502 | err("usb_submit_isoc(%d) ret %d", i, errFlag); | |
503 | ||
504 | errFlag = usb_submit_urb(uvd->sbuf[i].urb, GFP_KERNEL); | |
505 | if (errFlag) | |
506 | err ("usb_submit_isoc(%d) ret %d", i, errFlag); | |
507 | } | |
508 | ||
509 | uvd->streaming = 1; | |
510 | DEBUG(1, "streaming=1 video_endp=$%02x", uvd->video_endp); | |
511 | return 0; | |
512 | } | |
513 | ||
514 | ||
515 | static void konicawc_stop_data(struct uvd *uvd) | |
516 | { | |
517 | int i, j; | |
518 | struct konicawc *cam; | |
519 | ||
520 | if ((uvd == NULL) || (!uvd->streaming) || (uvd->dev == NULL)) | |
521 | return; | |
522 | ||
523 | konicawc_camera_off(uvd); | |
524 | uvd->streaming = 0; | |
525 | cam = (struct konicawc *)uvd->user_data; | |
526 | cam->last_data_urb = NULL; | |
527 | ||
528 | /* Unschedule all of the iso td's */ | |
529 | for (i=0; i < USBVIDEO_NUMSBUF; i++) { | |
530 | usb_kill_urb(uvd->sbuf[i].urb); | |
531 | usb_kill_urb(cam->sts_urb[i]); | |
532 | } | |
533 | ||
534 | if (!uvd->remove_pending) { | |
535 | /* Set packet size to 0 */ | |
536 | j = usb_set_interface(uvd->dev, uvd->iface, uvd->ifaceAltInactive); | |
537 | if (j < 0) { | |
538 | err("usb_set_interface() error %d.", j); | |
539 | uvd->last_error = j; | |
540 | } | |
541 | } | |
542 | } | |
543 | ||
544 | ||
545 | static void konicawc_process_isoc(struct uvd *uvd, struct usbvideo_frame *frame) | |
d56410e0 | 546 | { |
1da177e4 LT |
547 | struct konicawc *cam = (struct konicawc *)uvd->user_data; |
548 | int maxline = cam->maxline; | |
549 | int yplanesz = cam->yplanesz; | |
550 | ||
551 | assert(frame != NULL); | |
552 | ||
553 | DEBUG(5, "maxline = %d yplanesz = %d", maxline, yplanesz); | |
554 | DEBUG(3, "Frame state = %d", frame->scanstate); | |
555 | ||
556 | if(frame->scanstate == ScanState_Scanning) { | |
557 | int drop = 0; | |
558 | int curframe; | |
559 | int fdrops = 0; | |
560 | DEBUG(3, "Searching for marker, queue len = %d", RingQueue_GetLength(&uvd->dp)); | |
561 | while(RingQueue_GetLength(&uvd->dp) >= 4) { | |
562 | if ((RING_QUEUE_PEEK(&uvd->dp, 0) == 0x00) && | |
563 | (RING_QUEUE_PEEK(&uvd->dp, 1) == 0xff) && | |
564 | (RING_QUEUE_PEEK(&uvd->dp, 2) == 0x00) && | |
565 | (RING_QUEUE_PEEK(&uvd->dp, 3) < 0x80)) { | |
566 | curframe = RING_QUEUE_PEEK(&uvd->dp, 3); | |
567 | if(cam->lastframe >= 0) { | |
568 | fdrops = (0x80 + curframe - cam->lastframe) & 0x7F; | |
569 | fdrops--; | |
570 | if(fdrops) { | |
571 | info("Dropped %d frames (%d -> %d)", fdrops, | |
572 | cam->lastframe, curframe); | |
573 | } | |
574 | } | |
575 | cam->lastframe = curframe; | |
576 | frame->curline = 0; | |
577 | frame->scanstate = ScanState_Lines; | |
578 | RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, 4); | |
579 | break; | |
580 | } | |
581 | RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, 1); | |
582 | drop++; | |
583 | } | |
584 | if(drop) | |
585 | DEBUG(2, "dropped %d bytes looking for new frame", drop); | |
586 | } | |
587 | ||
588 | if(frame->scanstate == ScanState_Scanning) | |
589 | return; | |
d56410e0 | 590 | |
1da177e4 LT |
591 | /* Try to move data from queue into frame buffer |
592 | * We get data in blocks of 384 bytes made up of: | |
593 | * 256 Y, 64 U, 64 V. | |
594 | * This needs to be written out as a Y plane, a U plane and a V plane. | |
595 | */ | |
d56410e0 | 596 | |
1da177e4 LT |
597 | while ( frame->curline < maxline && (RingQueue_GetLength(&uvd->dp) >= 384)) { |
598 | /* Y */ | |
599 | RingQueue_Dequeue(&uvd->dp, frame->data + (frame->curline * 256), 256); | |
600 | /* U */ | |
601 | RingQueue_Dequeue(&uvd->dp, frame->data + yplanesz + (frame->curline * 64), 64); | |
602 | /* V */ | |
603 | RingQueue_Dequeue(&uvd->dp, frame->data + (5 * yplanesz)/4 + (frame->curline * 64), 64); | |
604 | frame->seqRead_Length += 384; | |
605 | frame->curline++; | |
606 | } | |
607 | /* See if we filled the frame */ | |
608 | if (frame->curline == maxline) { | |
609 | DEBUG(5, "got whole frame"); | |
610 | ||
611 | frame->frameState = FrameState_Done_Hold; | |
612 | frame->curline = 0; | |
613 | uvd->curframe = -1; | |
614 | uvd->stats.frame_num++; | |
615 | } | |
616 | } | |
617 | ||
618 | ||
619 | static int konicawc_find_fps(int size, int fps) | |
620 | { | |
621 | int i; | |
622 | ||
623 | fps *= 3; | |
624 | DEBUG(1, "konica_find_fps: size = %d fps = %d", size, fps); | |
625 | if(fps <= spd_to_fps[size][0]) | |
626 | return 0; | |
627 | ||
628 | if(fps >= spd_to_fps[size][MAX_SPEED]) | |
629 | return MAX_SPEED; | |
630 | ||
631 | for(i = 0; i < MAX_SPEED; i++) { | |
632 | if((fps >= spd_to_fps[size][i]) && (fps <= spd_to_fps[size][i+1])) { | |
633 | DEBUG(2, "fps %d between %d and %d", fps, i, i+1); | |
634 | if( (fps - spd_to_fps[size][i]) < (spd_to_fps[size][i+1] - fps)) | |
635 | return i; | |
636 | else | |
637 | return i+1; | |
638 | } | |
639 | } | |
640 | return MAX_SPEED+1; | |
641 | } | |
642 | ||
643 | ||
644 | static int konicawc_set_video_mode(struct uvd *uvd, struct video_window *vw) | |
645 | { | |
646 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
647 | int newspeed = cam->speed; | |
648 | int newsize; | |
649 | int x = vw->width; | |
650 | int y = vw->height; | |
651 | int fps = vw->flags; | |
652 | ||
653 | if(x > 0 && y > 0) { | |
654 | DEBUG(2, "trying to find size %d,%d", x, y); | |
655 | for(newsize = 0; newsize <= MAX_FRAME_SIZE; newsize++) { | |
656 | if((camera_sizes[newsize].width == x) && (camera_sizes[newsize].height == y)) | |
657 | break; | |
658 | } | |
659 | } else { | |
660 | newsize = cam->size; | |
661 | } | |
662 | ||
663 | if(newsize > MAX_FRAME_SIZE) { | |
664 | DEBUG(1, "couldn't find size %d,%d", x, y); | |
665 | return -EINVAL; | |
666 | } | |
667 | ||
668 | if(fps > 0) { | |
669 | DEBUG(1, "trying to set fps to %d", fps); | |
670 | newspeed = konicawc_find_fps(newsize, fps); | |
671 | DEBUG(1, "find_fps returned %d (%d)", newspeed, spd_to_fps[newsize][newspeed]); | |
672 | } | |
673 | ||
674 | if(newspeed > MAX_SPEED) | |
675 | return -EINVAL; | |
676 | ||
677 | DEBUG(1, "setting size to %d speed to %d", newsize, newspeed); | |
678 | if((newsize == cam->size) && (newspeed == cam->speed)) { | |
679 | DEBUG(1, "Nothing to do"); | |
680 | return 0; | |
681 | } | |
682 | DEBUG(0, "setting to %dx%d @ %d fps", camera_sizes[newsize].width, | |
683 | camera_sizes[newsize].height, spd_to_fps[newsize][newspeed]/3); | |
684 | ||
685 | konicawc_stop_data(uvd); | |
686 | uvd->ifaceAltActive = spd_to_iface[newspeed]; | |
687 | DEBUG(1, "new interface = %d", uvd->ifaceAltActive); | |
688 | cam->speed = newspeed; | |
689 | ||
690 | if(cam->size != newsize) { | |
691 | cam->size = newsize; | |
692 | konicawc_set_camera_size(uvd); | |
693 | } | |
694 | ||
695 | /* Flush the input queue and clear any current frame in progress */ | |
696 | ||
697 | RingQueue_Flush(&uvd->dp); | |
698 | cam->lastframe = -2; | |
699 | if(uvd->curframe != -1) { | |
0259567a DT |
700 | uvd->frame[uvd->curframe].curline = 0; |
701 | uvd->frame[uvd->curframe].seqRead_Length = 0; | |
702 | uvd->frame[uvd->curframe].seqRead_Index = 0; | |
1da177e4 LT |
703 | } |
704 | ||
705 | konicawc_start_data(uvd); | |
706 | return 0; | |
707 | } | |
708 | ||
709 | ||
710 | static int konicawc_calculate_fps(struct uvd *uvd) | |
711 | { | |
712 | struct konicawc *cam = uvd->user_data; | |
713 | return spd_to_fps[cam->size][cam->speed]/3; | |
714 | } | |
715 | ||
716 | ||
717 | static void konicawc_configure_video(struct uvd *uvd) | |
718 | { | |
719 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
720 | u8 buf[2]; | |
721 | ||
722 | memset(&uvd->vpic, 0, sizeof(uvd->vpic)); | |
723 | memset(&uvd->vpic_old, 0x55, sizeof(uvd->vpic_old)); | |
724 | ||
725 | RESTRICT_TO_RANGE(brightness, 0, MAX_BRIGHTNESS); | |
726 | RESTRICT_TO_RANGE(contrast, 0, MAX_CONTRAST); | |
727 | RESTRICT_TO_RANGE(saturation, 0, MAX_SATURATION); | |
728 | RESTRICT_TO_RANGE(sharpness, 0, MAX_SHARPNESS); | |
729 | RESTRICT_TO_RANGE(whitebal, 0, MAX_WHITEBAL); | |
730 | ||
731 | cam->brightness = brightness / 11; | |
732 | cam->contrast = contrast / 11; | |
733 | cam->saturation = saturation / 11; | |
734 | cam->sharpness = sharpness / 11; | |
735 | cam->white_bal = whitebal / 11; | |
736 | ||
737 | uvd->vpic.colour = 108; | |
738 | uvd->vpic.hue = 108; | |
739 | uvd->vpic.brightness = brightness; | |
740 | uvd->vpic.contrast = contrast; | |
741 | uvd->vpic.whiteness = whitebal; | |
742 | uvd->vpic.depth = 6; | |
743 | uvd->vpic.palette = VIDEO_PALETTE_YUV420P; | |
744 | ||
745 | memset(&uvd->vcap, 0, sizeof(uvd->vcap)); | |
746 | strcpy(uvd->vcap.name, "Konica Webcam"); | |
747 | uvd->vcap.type = VID_TYPE_CAPTURE; | |
748 | uvd->vcap.channels = 1; | |
749 | uvd->vcap.audios = 0; | |
750 | uvd->vcap.minwidth = camera_sizes[SIZE_160X120].width; | |
751 | uvd->vcap.minheight = camera_sizes[SIZE_160X120].height; | |
752 | uvd->vcap.maxwidth = camera_sizes[SIZE_320X240].width; | |
753 | uvd->vcap.maxheight = camera_sizes[SIZE_320X240].height; | |
754 | ||
755 | memset(&uvd->vchan, 0, sizeof(uvd->vchan)); | |
756 | uvd->vchan.flags = 0 ; | |
757 | uvd->vchan.tuners = 0; | |
758 | uvd->vchan.channel = 0; | |
759 | uvd->vchan.type = VIDEO_TYPE_CAMERA; | |
760 | strcpy(uvd->vchan.name, "Camera"); | |
761 | ||
762 | /* Talk to device */ | |
763 | DEBUG(1, "device init"); | |
764 | if(!konicawc_get_misc(uvd, 0x3, 0, 0x10, buf, 2)) | |
765 | DEBUG(2, "3,10 -> %2.2x %2.2x", buf[0], buf[1]); | |
766 | if(!konicawc_get_misc(uvd, 0x3, 0, 0x10, buf, 2)) | |
767 | DEBUG(2, "3,10 -> %2.2x %2.2x", buf[0], buf[1]); | |
768 | if(konicawc_set_misc(uvd, 0x2, 0, 0xd)) | |
769 | DEBUG(2, "2,0,d failed"); | |
770 | DEBUG(1, "setting initial values"); | |
771 | } | |
772 | ||
1da177e4 LT |
773 | static int konicawc_probe(struct usb_interface *intf, const struct usb_device_id *devid) |
774 | { | |
775 | struct usb_device *dev = interface_to_usbdev(intf); | |
776 | struct uvd *uvd = NULL; | |
777 | int ix, i, nas; | |
778 | int actInterface=-1, inactInterface=-1, maxPS=0; | |
779 | unsigned char video_ep = 0; | |
780 | ||
781 | DEBUG(1, "konicawc_probe(%p)", intf); | |
782 | ||
783 | /* We don't handle multi-config cameras */ | |
784 | if (dev->descriptor.bNumConfigurations != 1) | |
785 | return -ENODEV; | |
786 | ||
787 | info("Konica Webcam (rev. 0x%04x)", le16_to_cpu(dev->descriptor.bcdDevice)); | |
788 | RESTRICT_TO_RANGE(speed, 0, MAX_SPEED); | |
789 | ||
790 | /* Validate found interface: must have one ISO endpoint */ | |
791 | nas = intf->num_altsetting; | |
792 | if (nas != 8) { | |
793 | err("Incorrect number of alternate settings (%d) for this camera!", nas); | |
794 | return -ENODEV; | |
795 | } | |
796 | /* Validate all alternate settings */ | |
797 | for (ix=0; ix < nas; ix++) { | |
798 | const struct usb_host_interface *interface; | |
799 | const struct usb_endpoint_descriptor *endpoint; | |
800 | ||
801 | interface = &intf->altsetting[ix]; | |
802 | i = interface->desc.bAlternateSetting; | |
803 | if (interface->desc.bNumEndpoints != 2) { | |
804 | err("Interface %d. has %u. endpoints!", | |
805 | interface->desc.bInterfaceNumber, | |
806 | (unsigned)(interface->desc.bNumEndpoints)); | |
807 | return -ENODEV; | |
808 | } | |
809 | endpoint = &interface->endpoint[1].desc; | |
810 | DEBUG(1, "found endpoint: addr: 0x%2.2x maxps = 0x%4.4x", | |
811 | endpoint->bEndpointAddress, le16_to_cpu(endpoint->wMaxPacketSize)); | |
812 | if (video_ep == 0) | |
813 | video_ep = endpoint->bEndpointAddress; | |
814 | else if (video_ep != endpoint->bEndpointAddress) { | |
815 | err("Alternate settings have different endpoint addresses!"); | |
816 | return -ENODEV; | |
817 | } | |
818 | if ((endpoint->bmAttributes & 0x03) != 0x01) { | |
819 | err("Interface %d. has non-ISO endpoint!", | |
820 | interface->desc.bInterfaceNumber); | |
821 | return -ENODEV; | |
822 | } | |
823 | if ((endpoint->bEndpointAddress & 0x80) == 0) { | |
824 | err("Interface %d. has ISO OUT endpoint!", | |
825 | interface->desc.bInterfaceNumber); | |
826 | return -ENODEV; | |
827 | } | |
828 | if (le16_to_cpu(endpoint->wMaxPacketSize) == 0) { | |
829 | if (inactInterface < 0) | |
830 | inactInterface = i; | |
831 | else { | |
832 | err("More than one inactive alt. setting!"); | |
833 | return -ENODEV; | |
834 | } | |
835 | } else { | |
836 | if (i == spd_to_iface[speed]) { | |
837 | /* This one is the requested one */ | |
838 | actInterface = i; | |
839 | } | |
840 | } | |
841 | if (le16_to_cpu(endpoint->wMaxPacketSize) > maxPS) | |
842 | maxPS = le16_to_cpu(endpoint->wMaxPacketSize); | |
843 | } | |
844 | if(actInterface == -1) { | |
845 | err("Cant find required endpoint"); | |
846 | return -ENODEV; | |
847 | } | |
848 | ||
849 | DEBUG(1, "Selecting requested active setting=%d. maxPS=%d.", actInterface, maxPS); | |
850 | ||
851 | uvd = usbvideo_AllocateDevice(cams); | |
852 | if (uvd != NULL) { | |
853 | struct konicawc *cam = (struct konicawc *)(uvd->user_data); | |
854 | /* Here uvd is a fully allocated uvd object */ | |
855 | for(i = 0; i < USBVIDEO_NUMSBUF; i++) { | |
856 | cam->sts_urb[i] = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); | |
857 | if(cam->sts_urb[i] == NULL) { | |
858 | while(i--) { | |
859 | usb_free_urb(cam->sts_urb[i]); | |
860 | } | |
861 | err("can't allocate urbs"); | |
862 | return -ENOMEM; | |
863 | } | |
864 | } | |
865 | cam->speed = speed; | |
866 | RESTRICT_TO_RANGE(size, SIZE_160X120, SIZE_320X240); | |
867 | cam->width = camera_sizes[size].width; | |
868 | cam->height = camera_sizes[size].height; | |
869 | cam->size = size; | |
870 | ||
871 | uvd->flags = 0; | |
872 | uvd->debug = debug; | |
873 | uvd->dev = dev; | |
874 | uvd->iface = intf->altsetting->desc.bInterfaceNumber; | |
875 | uvd->ifaceAltInactive = inactInterface; | |
876 | uvd->ifaceAltActive = actInterface; | |
877 | uvd->video_endp = video_ep; | |
878 | uvd->iso_packet_len = maxPS; | |
879 | uvd->paletteBits = 1L << VIDEO_PALETTE_YUV420P; | |
880 | uvd->defaultPalette = VIDEO_PALETTE_YUV420P; | |
881 | uvd->canvas = VIDEOSIZE(320, 240); | |
882 | uvd->videosize = VIDEOSIZE(cam->width, cam->height); | |
883 | ||
884 | /* Initialize konicawc specific data */ | |
885 | konicawc_configure_video(uvd); | |
886 | ||
887 | i = usbvideo_RegisterVideoDevice(uvd); | |
888 | uvd->max_frame_size = (320 * 240 * 3)/2; | |
889 | if (i != 0) { | |
890 | err("usbvideo_RegisterVideoDevice() failed."); | |
891 | uvd = NULL; | |
892 | } | |
0259567a DT |
893 | |
894 | konicawc_register_input(cam, dev); | |
1da177e4 LT |
895 | } |
896 | ||
897 | if (uvd) { | |
898 | usb_set_intfdata (intf, uvd); | |
899 | return 0; | |
900 | } | |
901 | return -EIO; | |
902 | } | |
903 | ||
904 | ||
905 | static void konicawc_free_uvd(struct uvd *uvd) | |
906 | { | |
907 | int i; | |
908 | struct konicawc *cam = (struct konicawc *)uvd->user_data; | |
909 | ||
0259567a DT |
910 | konicawc_unregister_input(cam); |
911 | ||
912 | for (i = 0; i < USBVIDEO_NUMSBUF; i++) { | |
1da177e4 LT |
913 | usb_free_urb(cam->sts_urb[i]); |
914 | cam->sts_urb[i] = NULL; | |
915 | } | |
916 | } | |
917 | ||
918 | ||
919 | static struct usb_device_id id_table[] = { | |
920 | { USB_DEVICE(0x04c8, 0x0720) }, /* Intel YC 76 */ | |
921 | { } /* Terminating entry */ | |
922 | }; | |
923 | ||
924 | ||
925 | static int __init konicawc_init(void) | |
926 | { | |
927 | struct usbvideo_cb cbTbl; | |
928 | info(DRIVER_DESC " " DRIVER_VERSION); | |
929 | memset(&cbTbl, 0, sizeof(cbTbl)); | |
930 | cbTbl.probe = konicawc_probe; | |
931 | cbTbl.setupOnOpen = konicawc_setup_on_open; | |
932 | cbTbl.processData = konicawc_process_isoc; | |
933 | cbTbl.getFPS = konicawc_calculate_fps; | |
934 | cbTbl.setVideoMode = konicawc_set_video_mode; | |
935 | cbTbl.startDataPump = konicawc_start_data; | |
936 | cbTbl.stopDataPump = konicawc_stop_data; | |
937 | cbTbl.adjustPicture = konicawc_adjust_picture; | |
938 | cbTbl.userFree = konicawc_free_uvd; | |
939 | return usbvideo_register( | |
940 | &cams, | |
941 | MAX_CAMERAS, | |
942 | sizeof(struct konicawc), | |
943 | "konicawc", | |
944 | &cbTbl, | |
945 | THIS_MODULE, | |
946 | id_table); | |
947 | } | |
948 | ||
949 | ||
950 | static void __exit konicawc_cleanup(void) | |
951 | { | |
952 | usbvideo_Deregister(&cams); | |
953 | } | |
954 | ||
955 | ||
956 | MODULE_DEVICE_TABLE(usb, id_table); | |
957 | ||
958 | MODULE_LICENSE("GPL"); | |
959 | MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>"); | |
960 | MODULE_DESCRIPTION(DRIVER_DESC); | |
961 | module_param(speed, int, 0); | |
962 | MODULE_PARM_DESC(speed, "Initial speed: 0 (slowest) - 6 (fastest)"); | |
963 | module_param(size, int, 0); | |
964 | MODULE_PARM_DESC(size, "Initial Size 0: 160x120 1: 160x136 2: 176x144 3: 320x240"); | |
965 | module_param(brightness, int, 0); | |
966 | MODULE_PARM_DESC(brightness, "Initial brightness 0 - 108"); | |
967 | module_param(contrast, int, 0); | |
968 | MODULE_PARM_DESC(contrast, "Initial contrast 0 - 108"); | |
969 | module_param(saturation, int, 0); | |
970 | MODULE_PARM_DESC(saturation, "Initial saturation 0 - 108"); | |
971 | module_param(sharpness, int, 0); | |
972 | MODULE_PARM_DESC(sharpness, "Initial brightness 0 - 108"); | |
973 | module_param(whitebal, int, 0); | |
974 | MODULE_PARM_DESC(whitebal, "Initial white balance 0 - 363"); | |
975 | ||
976 | #ifdef CONFIG_USB_DEBUG | |
977 | module_param(debug, int, S_IRUGO | S_IWUSR); | |
978 | MODULE_PARM_DESC(debug, "Debug level: 0-9 (default=0)"); | |
979 | #endif | |
980 | ||
981 | module_init(konicawc_init); | |
982 | module_exit(konicawc_cleanup); |