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V4L/DVB (9116): USB: remove info() macro from usb media drivers
[mirror_ubuntu-bionic-kernel.git] / drivers / media / video / usbvideo / konicawc.c
CommitLineData
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
35enum ctrl_req {
36 SetWhitebal = 0x01,
37 SetBrightness = 0x02,
d56410e0 38 SetSharpness = 0x03,
1da177e4
LT		 39 SetContrast = 0x04,
40 SetSaturation = 0x05,
41};
42
43
44enum 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
54static struct usbvideo *cams;
55
56#ifdef CONFIG_USB_DEBUG
57static int debug;
58#define DEBUG(n, format, arg...) \
59 if (n <= debug) { \
4126a8f5 60 printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \
1da177e4
LT		 61 }
62#else
63#define DEBUG(n, arg...)
ff699e6b 64static 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 71static int size;
1da177e4
LT		 72static int speed = 6; /* Speed (fps) 0 (slowest) to 6 (fastest) */
73static int brightness = MAX_BRIGHTNESS/2;
74static int contrast = MAX_CONTRAST/2;
75static int saturation = MAX_SATURATION/2;
76static int sharpness = MAX_SHARPNESS/2;
77static int whitebal = 3*(MAX_WHITEBAL/4);
78
4c4c9432 79static 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 86static 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
91struct cam_size {
92 u16 width;
93 u16 height;
94 u8 cmd;
95};
96
4c4c9432 97static const struct cam_size camera_sizes[] = { { 160, 120, 0x7 },
1da177e4
LT		 98 { 160, 136, 0xa },
99 { 176, 144, 0x4 },
100 { 320, 240, 0x5 } };
101
102struct 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
132static 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
141static 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
148static 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
155static 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
169static 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
195static 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
222static 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
253static 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
261static 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
271static inline void konicawc_register_input(struct konicawc *cam, struct usb_device *dev) { }
272static inline void konicawc_unregister_input(struct konicawc *cam) { }
273static inline void konicawc_report_buttonstat(struct konicawc *cam) { }
274
275#endif /* CONFIG_INPUT */
1da177e4
LT		 276
277static 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 339 if((sts > 0x01) && (sts < 0x80)) {
a482f327
GKH		 340 dev_info(&uvd->dev->dev, "unknown status %2.2x\n",
341 sts);
1da177e4
LT		 342 bad++;
343 continue;
344 }
345 if(!sts && cam->lastframe == -2) {
346 DEBUG(2, "dropping frame looking for image start");
347 continue;
348 }
349
350 keep++;
351 if(sts & 0x80) { /* frame start */
352 unsigned char marker[] = { 0, 0xff, 0, 0x00 };
353
354 if(cam->lastframe == -2) {
355 DEBUG(2, "found initial image");
356 cam->lastframe = -1;
357 }
d56410e0 358
1da177e4
LT		 359 marker[3] = sts & 0x7F;
360 RingQueue_Enqueue(&uvd->dp, marker, 4);
361 totlen += 4;
362 }
363
364 totlen += n; /* Little local accounting */
365 RingQueue_Enqueue(&uvd->dp, cdata, n);
366 }
367 DEBUG(8, "finished: keep = %d discard = %d bad = %d added %d bytes",
368 keep, discard, bad, totlen);
369 return totlen;
370}
371
372
373static void resubmit_urb(struct uvd *uvd, struct urb *urb)
374{
d56410e0
MCC		 375 int i, ret;
376 for (i = 0; i < FRAMES_PER_DESC; i++) {
377 urb->iso_frame_desc[i].status = 0;
378 }
379 urb->dev = uvd->dev;
380 urb->status = 0;
1da177e4
LT		 381 ret = usb_submit_urb(urb, GFP_ATOMIC);
382 DEBUG(3, "submitting urb of length %d", urb->transfer_buffer_length);
d56410e0
MCC		 383 if(ret)
384 err("usb_submit_urb error (%d)", ret);
1da177e4
LT		 385
386}
387
388
7d12e780 389static void konicawc_isoc_irq(struct urb *urb)
1da177e4
LT		 390{
391 struct uvd *uvd = urb->context;
392 struct konicawc *cam = (struct konicawc *)uvd->user_data;
393
394 /* We don't want to do anything if we are about to be removed! */
395 if (!CAMERA_IS_OPERATIONAL(uvd))
396 return;
397
398 if (!uvd->streaming) {
399 DEBUG(1, "Not streaming, but interrupt!");
400 return;
401 }
402
403 DEBUG(3, "got frame %d len = %d buflen =%d", urb->start_frame, urb->actual_length, urb->transfer_buffer_length);
404
405 uvd->stats.urb_count++;
406
407 if (urb->transfer_buffer_length > 32) {
408 cam->last_data_urb = urb;
409 return;
410 }
411 /* Copy the data received into ring queue */
412 if(cam->last_data_urb) {
413 int len = 0;
414 if(urb->start_frame != cam->last_data_urb->start_frame)
415 err("Lost sync on frames");
416 else if (!urb->status && !cam->last_data_urb->status)
417 len = konicawc_compress_iso(uvd, cam->last_data_urb, urb);
418
419 resubmit_urb(uvd, cam->last_data_urb);
420 resubmit_urb(uvd, urb);
421 cam->last_data_urb = NULL;
422 uvd->stats.urb_length = len;
423 uvd->stats.data_count += len;
424 if(len)
425 RingQueue_WakeUpInterruptible(&uvd->dp);
426 return;
427 }
428 return;
429}
430
431
432static int konicawc_start_data(struct uvd *uvd)
433{
434 struct usb_device *dev = uvd->dev;
435 int i, errFlag;
436 struct konicawc *cam = (struct konicawc *)uvd->user_data;
437 int pktsz;
438 struct usb_interface *intf;
439 struct usb_host_interface *interface = NULL;
440
441 intf = usb_ifnum_to_if(dev, uvd->iface);
442 if (intf)
443 interface = usb_altnum_to_altsetting(intf,
444 spd_to_iface[cam->speed]);
445 if (!interface)
446 return -ENXIO;
447 pktsz = le16_to_cpu(interface->endpoint[1].desc.wMaxPacketSize);
448 DEBUG(1, "pktsz = %d", pktsz);
449 if (!CAMERA_IS_OPERATIONAL(uvd)) {
450 err("Camera is not operational");
451 return -EFAULT;
452 }
453 uvd->curframe = -1;
454 konicawc_camera_on(uvd);
455 /* Alternate interface 1 is is the biggest frame size */
456 i = usb_set_interface(dev, uvd->iface, uvd->ifaceAltActive);
457 if (i < 0) {
458 err("usb_set_interface error");
459 uvd->last_error = i;
460 return -EBUSY;
461 }
462
463 /* We double buffer the Iso lists */
464 for (i=0; i < USBVIDEO_NUMSBUF; i++) {
465 int j, k;
466 struct urb *urb = uvd->sbuf[i].urb;
467 urb->dev = dev;
468 urb->context = uvd;
469 urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp);
470 urb->interval = 1;
471 urb->transfer_flags = URB_ISO_ASAP;
472 urb->transfer_buffer = uvd->sbuf[i].data;
473 urb->complete = konicawc_isoc_irq;
474 urb->number_of_packets = FRAMES_PER_DESC;
475 urb->transfer_buffer_length = pktsz * FRAMES_PER_DESC;
476 for (j=k=0; j < FRAMES_PER_DESC; j++, k += pktsz) {
477 urb->iso_frame_desc[j].offset = k;
478 urb->iso_frame_desc[j].length = pktsz;
479 }
480
481 urb = cam->sts_urb[i];
482 urb->dev = dev;
483 urb->context = uvd;
484 urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp-1);
485 urb->interval = 1;
486 urb->transfer_flags = URB_ISO_ASAP;
487 urb->transfer_buffer = cam->sts_buf[i];
488 urb->complete = konicawc_isoc_irq;
489 urb->number_of_packets = FRAMES_PER_DESC;
490 urb->transfer_buffer_length = FRAMES_PER_DESC;
491 for (j=0; j < FRAMES_PER_DESC; j++) {
492 urb->iso_frame_desc[j].offset = j;
493 urb->iso_frame_desc[j].length = 1;
494 }
495 }
496
497 cam->last_data_urb = NULL;
d56410e0 498
1da177e4
LT		 499 /* Submit all URBs */
500 for (i=0; i < USBVIDEO_NUMSBUF; i++) {
501 errFlag = usb_submit_urb(cam->sts_urb[i], GFP_KERNEL);
502 if (errFlag)
503 err("usb_submit_isoc(%d) ret %d", i, errFlag);
504
505 errFlag = usb_submit_urb(uvd->sbuf[i].urb, GFP_KERNEL);
506 if (errFlag)
507 err ("usb_submit_isoc(%d) ret %d", i, errFlag);
508 }
509
510 uvd->streaming = 1;
511 DEBUG(1, "streaming=1 video_endp=$%02x", uvd->video_endp);
512 return 0;
513}
514
515
516static void konicawc_stop_data(struct uvd *uvd)
517{
518 int i, j;
519 struct konicawc *cam;
520
521 if ((uvd == NULL) || (!uvd->streaming) || (uvd->dev == NULL))
522 return;
523
524 konicawc_camera_off(uvd);
525 uvd->streaming = 0;
526 cam = (struct konicawc *)uvd->user_data;
527 cam->last_data_urb = NULL;
528
529 /* Unschedule all of the iso td's */
530 for (i=0; i < USBVIDEO_NUMSBUF; i++) {
531 usb_kill_urb(uvd->sbuf[i].urb);
532 usb_kill_urb(cam->sts_urb[i]);
533 }
534
535 if (!uvd->remove_pending) {
536 /* Set packet size to 0 */
537 j = usb_set_interface(uvd->dev, uvd->iface, uvd->ifaceAltInactive);
538 if (j < 0) {
539 err("usb_set_interface() error %d.", j);
540 uvd->last_error = j;
541 }
542 }
543}
544
545
546static void konicawc_process_isoc(struct uvd *uvd, struct usbvideo_frame *frame)
d56410e0 547{
1da177e4
LT		 548 struct konicawc *cam = (struct konicawc *)uvd->user_data;
549 int maxline = cam->maxline;
550 int yplanesz = cam->yplanesz;
551
552 assert(frame != NULL);
553
554 DEBUG(5, "maxline = %d yplanesz = %d", maxline, yplanesz);
555 DEBUG(3, "Frame state = %d", frame->scanstate);
556
557 if(frame->scanstate == ScanState_Scanning) {
558 int drop = 0;
559 int curframe;
560 int fdrops = 0;
561 DEBUG(3, "Searching for marker, queue len = %d", RingQueue_GetLength(&uvd->dp));
562 while(RingQueue_GetLength(&uvd->dp) >= 4) {
563 if ((RING_QUEUE_PEEK(&uvd->dp, 0) == 0x00) &&
564 (RING_QUEUE_PEEK(&uvd->dp, 1) == 0xff) &&
565 (RING_QUEUE_PEEK(&uvd->dp, 2) == 0x00) &&
566 (RING_QUEUE_PEEK(&uvd->dp, 3) < 0x80)) {
567 curframe = RING_QUEUE_PEEK(&uvd->dp, 3);
568 if(cam->lastframe >= 0) {
569 fdrops = (0x80 + curframe - cam->lastframe) & 0x7F;
570 fdrops--;
571 if(fdrops) {
a482f327
GKH		 572 dev_info(&uvd->dev->dev,
573 "Dropped %d frames "
574 "(%d -> %d)\n",
575 fdrops,
576 cam->lastframe,
577 curframe);
1da177e4
LT		 578 }
579 }
580 cam->lastframe = curframe;
581 frame->curline = 0;
582 frame->scanstate = ScanState_Lines;
583 RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, 4);
584 break;
585 }
586 RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, 1);
587 drop++;
588 }
589 if(drop)
590 DEBUG(2, "dropped %d bytes looking for new frame", drop);
591 }
592
593 if(frame->scanstate == ScanState_Scanning)
594 return;
d56410e0 595
1da177e4
LT		 596 /* Try to move data from queue into frame buffer
597 * We get data in blocks of 384 bytes made up of:
598 * 256 Y, 64 U, 64 V.
599 * This needs to be written out as a Y plane, a U plane and a V plane.
600 */
d56410e0 601
1da177e4
LT		 602 while ( frame->curline < maxline && (RingQueue_GetLength(&uvd->dp) >= 384)) {
603 /* Y */
604 RingQueue_Dequeue(&uvd->dp, frame->data + (frame->curline * 256), 256);
605 /* U */
606 RingQueue_Dequeue(&uvd->dp, frame->data + yplanesz + (frame->curline * 64), 64);
607 /* V */
608 RingQueue_Dequeue(&uvd->dp, frame->data + (5 * yplanesz)/4 + (frame->curline * 64), 64);
609 frame->seqRead_Length += 384;
610 frame->curline++;
611 }
612 /* See if we filled the frame */
613 if (frame->curline == maxline) {
614 DEBUG(5, "got whole frame");
615
616 frame->frameState = FrameState_Done_Hold;
617 frame->curline = 0;
618 uvd->curframe = -1;
619 uvd->stats.frame_num++;
620 }
621}
622
623
624static int konicawc_find_fps(int size, int fps)
625{
626 int i;
627
628 fps *= 3;
629 DEBUG(1, "konica_find_fps: size = %d fps = %d", size, fps);
630 if(fps <= spd_to_fps[size][0])
631 return 0;
632
633 if(fps >= spd_to_fps[size][MAX_SPEED])
634 return MAX_SPEED;
635
636 for(i = 0; i < MAX_SPEED; i++) {
637 if((fps >= spd_to_fps[size][i]) && (fps <= spd_to_fps[size][i+1])) {
638 DEBUG(2, "fps %d between %d and %d", fps, i, i+1);
639 if( (fps - spd_to_fps[size][i]) < (spd_to_fps[size][i+1] - fps))
640 return i;
641 else
642 return i+1;
643 }
644 }
645 return MAX_SPEED+1;
646}
647
648
649static int konicawc_set_video_mode(struct uvd *uvd, struct video_window *vw)
650{
651 struct konicawc *cam = (struct konicawc *)uvd->user_data;
652 int newspeed = cam->speed;
653 int newsize;
654 int x = vw->width;
655 int y = vw->height;
656 int fps = vw->flags;
657
658 if(x > 0 && y > 0) {
659 DEBUG(2, "trying to find size %d,%d", x, y);
660 for(newsize = 0; newsize <= MAX_FRAME_SIZE; newsize++) {
661 if((camera_sizes[newsize].width == x) && (camera_sizes[newsize].height == y))
662 break;
663 }
664 } else {
665 newsize = cam->size;
666 }
667
668 if(newsize > MAX_FRAME_SIZE) {
669 DEBUG(1, "couldn't find size %d,%d", x, y);
670 return -EINVAL;
671 }
672
673 if(fps > 0) {
674 DEBUG(1, "trying to set fps to %d", fps);
675 newspeed = konicawc_find_fps(newsize, fps);
676 DEBUG(1, "find_fps returned %d (%d)", newspeed, spd_to_fps[newsize][newspeed]);
677 }
678
679 if(newspeed > MAX_SPEED)
680 return -EINVAL;
681
682 DEBUG(1, "setting size to %d speed to %d", newsize, newspeed);
683 if((newsize == cam->size) && (newspeed == cam->speed)) {
684 DEBUG(1, "Nothing to do");
685 return 0;
686 }
687 DEBUG(0, "setting to %dx%d @ %d fps", camera_sizes[newsize].width,
688 camera_sizes[newsize].height, spd_to_fps[newsize][newspeed]/3);
689
690 konicawc_stop_data(uvd);
691 uvd->ifaceAltActive = spd_to_iface[newspeed];
692 DEBUG(1, "new interface = %d", uvd->ifaceAltActive);
693 cam->speed = newspeed;
694
695 if(cam->size != newsize) {
696 cam->size = newsize;
697 konicawc_set_camera_size(uvd);
698 }
699
700 /* Flush the input queue and clear any current frame in progress */
701
702 RingQueue_Flush(&uvd->dp);
703 cam->lastframe = -2;
704 if(uvd->curframe != -1) {
0259567a
DT		 705 uvd->frame[uvd->curframe].curline = 0;
706 uvd->frame[uvd->curframe].seqRead_Length = 0;
707 uvd->frame[uvd->curframe].seqRead_Index = 0;
1da177e4
LT		 708 }
709
710 konicawc_start_data(uvd);
711 return 0;
712}
713
714
715static int konicawc_calculate_fps(struct uvd *uvd)
716{
717 struct konicawc *cam = uvd->user_data;
718 return spd_to_fps[cam->size][cam->speed]/3;
719}
720
721
722static void konicawc_configure_video(struct uvd *uvd)
723{
724 struct konicawc *cam = (struct konicawc *)uvd->user_data;
725 u8 buf[2];
726
727 memset(&uvd->vpic, 0, sizeof(uvd->vpic));
728 memset(&uvd->vpic_old, 0x55, sizeof(uvd->vpic_old));
729
730 RESTRICT_TO_RANGE(brightness, 0, MAX_BRIGHTNESS);
731 RESTRICT_TO_RANGE(contrast, 0, MAX_CONTRAST);
732 RESTRICT_TO_RANGE(saturation, 0, MAX_SATURATION);
733 RESTRICT_TO_RANGE(sharpness, 0, MAX_SHARPNESS);
734 RESTRICT_TO_RANGE(whitebal, 0, MAX_WHITEBAL);
735
736 cam->brightness = brightness / 11;
737 cam->contrast = contrast / 11;
738 cam->saturation = saturation / 11;
739 cam->sharpness = sharpness / 11;
740 cam->white_bal = whitebal / 11;
741
742 uvd->vpic.colour = 108;
743 uvd->vpic.hue = 108;
744 uvd->vpic.brightness = brightness;
745 uvd->vpic.contrast = contrast;
746 uvd->vpic.whiteness = whitebal;
747 uvd->vpic.depth = 6;
748 uvd->vpic.palette = VIDEO_PALETTE_YUV420P;
749
750 memset(&uvd->vcap, 0, sizeof(uvd->vcap));
751 strcpy(uvd->vcap.name, "Konica Webcam");
752 uvd->vcap.type = VID_TYPE_CAPTURE;
753 uvd->vcap.channels = 1;
754 uvd->vcap.audios = 0;
755 uvd->vcap.minwidth = camera_sizes[SIZE_160X120].width;
756 uvd->vcap.minheight = camera_sizes[SIZE_160X120].height;
757 uvd->vcap.maxwidth = camera_sizes[SIZE_320X240].width;
758 uvd->vcap.maxheight = camera_sizes[SIZE_320X240].height;
759
760 memset(&uvd->vchan, 0, sizeof(uvd->vchan));
761 uvd->vchan.flags = 0 ;
762 uvd->vchan.tuners = 0;
763 uvd->vchan.channel = 0;
764 uvd->vchan.type = VIDEO_TYPE_CAMERA;
765 strcpy(uvd->vchan.name, "Camera");
766
767 /* Talk to device */
768 DEBUG(1, "device init");
769 if(!konicawc_get_misc(uvd, 0x3, 0, 0x10, buf, 2))
770 DEBUG(2, "3,10 -> %2.2x %2.2x", buf[0], buf[1]);
771 if(!konicawc_get_misc(uvd, 0x3, 0, 0x10, buf, 2))
772 DEBUG(2, "3,10 -> %2.2x %2.2x", buf[0], buf[1]);
773 if(konicawc_set_misc(uvd, 0x2, 0, 0xd))
774 DEBUG(2, "2,0,d failed");
775 DEBUG(1, "setting initial values");
776}
777
1da177e4
LT		 778static int konicawc_probe(struct usb_interface *intf, const struct usb_device_id *devid)
779{
780 struct usb_device *dev = interface_to_usbdev(intf);
781 struct uvd *uvd = NULL;
782 int ix, i, nas;
783 int actInterface=-1, inactInterface=-1, maxPS=0;
784 unsigned char video_ep = 0;
785
786 DEBUG(1, "konicawc_probe(%p)", intf);
787
788 /* We don't handle multi-config cameras */
789 if (dev->descriptor.bNumConfigurations != 1)
790 return -ENODEV;
791
a482f327
GKH		 792 dev_info(&intf->dev, "Konica Webcam (rev. 0x%04x)\n",
793 le16_to_cpu(dev->descriptor.bcdDevice));
1da177e4
LT		 794 RESTRICT_TO_RANGE(speed, 0, MAX_SPEED);
795
796 /* Validate found interface: must have one ISO endpoint */
797 nas = intf->num_altsetting;
798 if (nas != 8) {
799 err("Incorrect number of alternate settings (%d) for this camera!", nas);
800 return -ENODEV;
801 }
802 /* Validate all alternate settings */
803 for (ix=0; ix < nas; ix++) {
804 const struct usb_host_interface *interface;
805 const struct usb_endpoint_descriptor *endpoint;
806
807 interface = &intf->altsetting[ix];
808 i = interface->desc.bAlternateSetting;
809 if (interface->desc.bNumEndpoints != 2) {
810 err("Interface %d. has %u. endpoints!",
811 interface->desc.bInterfaceNumber,
812 (unsigned)(interface->desc.bNumEndpoints));
813 return -ENODEV;
814 }
815 endpoint = &interface->endpoint[1].desc;
816 DEBUG(1, "found endpoint: addr: 0x%2.2x maxps = 0x%4.4x",
817 endpoint->bEndpointAddress, le16_to_cpu(endpoint->wMaxPacketSize));
818 if (video_ep == 0)
819 video_ep = endpoint->bEndpointAddress;
820 else if (video_ep != endpoint->bEndpointAddress) {
821 err("Alternate settings have different endpoint addresses!");
822 return -ENODEV;
823 }
824 if ((endpoint->bmAttributes & 0x03) != 0x01) {
825 err("Interface %d. has non-ISO endpoint!",
826 interface->desc.bInterfaceNumber);
827 return -ENODEV;
828 }
829 if ((endpoint->bEndpointAddress & 0x80) == 0) {
830 err("Interface %d. has ISO OUT endpoint!",
831 interface->desc.bInterfaceNumber);
832 return -ENODEV;
833 }
834 if (le16_to_cpu(endpoint->wMaxPacketSize) == 0) {
835 if (inactInterface < 0)
836 inactInterface = i;
837 else {
838 err("More than one inactive alt. setting!");
839 return -ENODEV;
840 }
841 } else {
842 if (i == spd_to_iface[speed]) {
843 /* This one is the requested one */
844 actInterface = i;
845 }
846 }
847 if (le16_to_cpu(endpoint->wMaxPacketSize) > maxPS)
848 maxPS = le16_to_cpu(endpoint->wMaxPacketSize);
849 }
850 if(actInterface == -1) {
851 err("Cant find required endpoint");
852 return -ENODEV;
853 }
854
855 DEBUG(1, "Selecting requested active setting=%d. maxPS=%d.", actInterface, maxPS);
856
857 uvd = usbvideo_AllocateDevice(cams);
858 if (uvd != NULL) {
859 struct konicawc *cam = (struct konicawc *)(uvd->user_data);
860 /* Here uvd is a fully allocated uvd object */
861 for(i = 0; i < USBVIDEO_NUMSBUF; i++) {
862 cam->sts_urb[i] = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL);
863 if(cam->sts_urb[i] == NULL) {
864 while(i--) {
865 usb_free_urb(cam->sts_urb[i]);
866 }
867 err("can't allocate urbs");
868 return -ENOMEM;
869 }
870 }
871 cam->speed = speed;
872 RESTRICT_TO_RANGE(size, SIZE_160X120, SIZE_320X240);
873 cam->width = camera_sizes[size].width;
874 cam->height = camera_sizes[size].height;
875 cam->size = size;
876
877 uvd->flags = 0;
878 uvd->debug = debug;
879 uvd->dev = dev;
880 uvd->iface = intf->altsetting->desc.bInterfaceNumber;
881 uvd->ifaceAltInactive = inactInterface;
882 uvd->ifaceAltActive = actInterface;
883 uvd->video_endp = video_ep;
884 uvd->iso_packet_len = maxPS;
885 uvd->paletteBits = 1L << VIDEO_PALETTE_YUV420P;
886 uvd->defaultPalette = VIDEO_PALETTE_YUV420P;
887 uvd->canvas = VIDEOSIZE(320, 240);
888 uvd->videosize = VIDEOSIZE(cam->width, cam->height);
889
890 /* Initialize konicawc specific data */
891 konicawc_configure_video(uvd);
892
893 i = usbvideo_RegisterVideoDevice(uvd);
894 uvd->max_frame_size = (320 * 240 * 3)/2;
895 if (i != 0) {
896 err("usbvideo_RegisterVideoDevice() failed.");
897 uvd = NULL;
898 }
0259567a
DT		 899
900 konicawc_register_input(cam, dev);
1da177e4
LT		 901 }
902
903 if (uvd) {
904 usb_set_intfdata (intf, uvd);
905 return 0;
906 }
907 return -EIO;
908}
909
910
911static void konicawc_free_uvd(struct uvd *uvd)
912{
913 int i;
914 struct konicawc *cam = (struct konicawc *)uvd->user_data;
915
0259567a
DT		 916 konicawc_unregister_input(cam);
917
918 for (i = 0; i < USBVIDEO_NUMSBUF; i++) {
1da177e4
LT		 919 usb_free_urb(cam->sts_urb[i]);
920 cam->sts_urb[i] = NULL;
921 }
922}
923
924
925static struct usb_device_id id_table[] = {
926 { USB_DEVICE(0x04c8, 0x0720) }, /* Intel YC 76 */
927 { } /* Terminating entry */
928};
929
930
931static int __init konicawc_init(void)
932{
933 struct usbvideo_cb cbTbl;
a482f327
GKH		 934 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
935 DRIVER_DESC "\n");
1da177e4
LT		 936 memset(&cbTbl, 0, sizeof(cbTbl));
937 cbTbl.probe = konicawc_probe;
938 cbTbl.setupOnOpen = konicawc_setup_on_open;
939 cbTbl.processData = konicawc_process_isoc;
940 cbTbl.getFPS = konicawc_calculate_fps;
941 cbTbl.setVideoMode = konicawc_set_video_mode;
942 cbTbl.startDataPump = konicawc_start_data;
943 cbTbl.stopDataPump = konicawc_stop_data;
944 cbTbl.adjustPicture = konicawc_adjust_picture;
945 cbTbl.userFree = konicawc_free_uvd;
946 return usbvideo_register(
947 &cams,
948 MAX_CAMERAS,
949 sizeof(struct konicawc),
950 "konicawc",
951 &cbTbl,
952 THIS_MODULE,
953 id_table);
954}
955
956
957static void __exit konicawc_cleanup(void)
958{
959 usbvideo_Deregister(&cams);
960}
961
962
963MODULE_DEVICE_TABLE(usb, id_table);
964
965MODULE_LICENSE("GPL");
966MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>");
967MODULE_DESCRIPTION(DRIVER_DESC);
968module_param(speed, int, 0);
969MODULE_PARM_DESC(speed, "Initial speed: 0 (slowest) - 6 (fastest)");
970module_param(size, int, 0);
971MODULE_PARM_DESC(size, "Initial Size 0: 160x120 1: 160x136 2: 176x144 3: 320x240");
972module_param(brightness, int, 0);
973MODULE_PARM_DESC(brightness, "Initial brightness 0 - 108");
974module_param(contrast, int, 0);
975MODULE_PARM_DESC(contrast, "Initial contrast 0 - 108");
976module_param(saturation, int, 0);
977MODULE_PARM_DESC(saturation, "Initial saturation 0 - 108");
978module_param(sharpness, int, 0);
979MODULE_PARM_DESC(sharpness, "Initial brightness 0 - 108");
980module_param(whitebal, int, 0);
981MODULE_PARM_DESC(whitebal, "Initial white balance 0 - 363");
982
983#ifdef CONFIG_USB_DEBUG
984module_param(debug, int, S_IRUGO | S_IWUSR);
985MODULE_PARM_DESC(debug, "Debug level: 0-9 (default=0)");
986#endif
987
988module_init(konicawc_init);
989module_exit(konicawc_cleanup);
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