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Commit | Line | Data |
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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* Linux driver for Philips webcam |
3 | USB and Video4Linux interface part. | |
4 | (C) 1999-2004 Nemosoft Unv. | |
2b455db6 | 5 | (C) 2004-2006 Luc Saillard (luc@saillard.org) |
6eba9357 | 6 | (C) 2011 Hans de Goede <hdegoede@redhat.com> |
1da177e4 LT |
7 | |
8 | NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx | |
9 | driver and thus may have bugs that are not present in the original version. | |
10 | Please send bug reports and support requests to <luc@saillard.org>. | |
11 | The decompression routines have been implemented by reverse-engineering the | |
12 | Nemosoft binary pwcx module. Caveat emptor. | |
13 | ||
1da177e4 LT |
14 | |
15 | */ | |
16 | ||
d56410e0 | 17 | /* |
1da177e4 LT |
18 | This code forms the interface between the USB layers and the Philips |
19 | specific stuff. Some adanved stuff of the driver falls under an | |
20 | NDA, signed between me and Philips B.V., Eindhoven, the Netherlands, and | |
d56410e0 | 21 | is thus not distributed in source form. The binary pwcx.o module |
1da177e4 | 22 | contains the code that falls under the NDA. |
d56410e0 MCC |
23 | |
24 | In case you're wondering: 'pwc' stands for "Philips WebCam", but | |
1da177e4 LT |
25 | I really didn't want to type 'philips_web_cam' every time (I'm lazy as |
26 | any Linux kernel hacker, but I don't like uncomprehensible abbreviations | |
27 | without explanation). | |
d56410e0 | 28 | |
1da177e4 LT |
29 | Oh yes, convention: to disctinguish between all the various pointers to |
30 | device-structures, I use these names for the pointer variables: | |
31 | udev: struct usb_device * | |
9a7b2d1f | 32 | vdev: struct video_device (member of pwc_dev) |
1da177e4 LT |
33 | pdev: struct pwc_devive * |
34 | */ | |
35 | ||
36 | /* Contributors: | |
37 | - Alvarado: adding whitebalance code | |
38 | - Alistar Moire: QuickCam 3000 Pro device/product ID | |
39 | - Tony Hoyle: Creative Labs Webcam 5 device/product ID | |
40 | - Mark Burazin: solving hang in VIDIOCSYNC when camera gets unplugged | |
41 | - Jk Fang: Sotec Afina Eye ID | |
42 | - Xavier Roche: QuickCam Pro 4000 ID | |
43 | - Jens Knudsen: QuickCam Zoom ID | |
44 | - J. Debert: QuickCam for Notebooks ID | |
e32a7ecc | 45 | - Pham Thanh Nam: webcam snapshot button as an event input device |
1da177e4 LT |
46 | */ |
47 | ||
48 | #include <linux/errno.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/mm.h> | |
51 | #include <linux/module.h> | |
52 | #include <linux/poll.h> | |
53 | #include <linux/slab.h> | |
e32a7ecc NPT |
54 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
55 | #include <linux/usb/input.h> | |
56 | #endif | |
1da177e4 LT |
57 | #include <linux/vmalloc.h> |
58 | #include <asm/io.h> | |
2d8d7762 | 59 | #include <linux/kernel.h> /* simple_strtol() */ |
1da177e4 LT |
60 | |
61 | #include "pwc.h" | |
1da177e4 LT |
62 | #include "pwc-kiara.h" |
63 | #include "pwc-timon.h" | |
2b455db6 LS |
64 | #include "pwc-dec23.h" |
65 | #include "pwc-dec1.h" | |
1da177e4 | 66 | |
c1d5fb01 MK |
67 | #define CREATE_TRACE_POINTS |
68 | #include <trace/events/pwc.h> | |
69 | ||
1da177e4 LT |
70 | /* Function prototypes and driver templates */ |
71 | ||
72 | /* hotplug device table support */ | |
2b455db6 | 73 | static const struct usb_device_id pwc_device_table [] = { |
1da177e4 LT |
74 | { USB_DEVICE(0x0471, 0x0302) }, /* Philips models */ |
75 | { USB_DEVICE(0x0471, 0x0303) }, | |
76 | { USB_DEVICE(0x0471, 0x0304) }, | |
77 | { USB_DEVICE(0x0471, 0x0307) }, | |
78 | { USB_DEVICE(0x0471, 0x0308) }, | |
79 | { USB_DEVICE(0x0471, 0x030C) }, | |
80 | { USB_DEVICE(0x0471, 0x0310) }, | |
2b455db6 | 81 | { USB_DEVICE(0x0471, 0x0311) }, /* Philips ToUcam PRO II */ |
1da177e4 LT |
82 | { USB_DEVICE(0x0471, 0x0312) }, |
83 | { USB_DEVICE(0x0471, 0x0313) }, /* the 'new' 720K */ | |
2b455db6 | 84 | { USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC PC Camera */ |
7445e45d | 85 | { USB_DEVICE(0x0471, 0x032C) }, /* Philips SPC 880NC PC Camera */ |
1da177e4 LT |
86 | { USB_DEVICE(0x069A, 0x0001) }, /* Askey */ |
87 | { USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam Pro 3000 */ | |
88 | { USB_DEVICE(0x046D, 0x08B1) }, /* Logitech QuickCam Notebook Pro */ | |
89 | { USB_DEVICE(0x046D, 0x08B2) }, /* Logitech QuickCam Pro 4000 */ | |
90 | { USB_DEVICE(0x046D, 0x08B3) }, /* Logitech QuickCam Zoom (old model) */ | |
91 | { USB_DEVICE(0x046D, 0x08B4) }, /* Logitech QuickCam Zoom (new model) */ | |
92 | { USB_DEVICE(0x046D, 0x08B5) }, /* Logitech QuickCam Orbit/Sphere */ | |
6b1ce3c1 MCC |
93 | { USB_DEVICE(0x046D, 0x08B6) }, /* Cisco VT Camera */ |
94 | { USB_DEVICE(0x046D, 0x08B7) }, /* Logitech ViewPort AV 100 */ | |
1da177e4 | 95 | { USB_DEVICE(0x046D, 0x08B8) }, /* Logitech (reserved) */ |
2b455db6 LS |
96 | { USB_DEVICE(0x055D, 0x9000) }, /* Samsung MPC-C10 */ |
97 | { USB_DEVICE(0x055D, 0x9001) }, /* Samsung MPC-C30 */ | |
98 | { USB_DEVICE(0x055D, 0x9002) }, /* Samsung SNC-35E (Ver3.0) */ | |
1da177e4 LT |
99 | { USB_DEVICE(0x041E, 0x400C) }, /* Creative Webcam 5 */ |
100 | { USB_DEVICE(0x041E, 0x4011) }, /* Creative Webcam Pro Ex */ | |
101 | { USB_DEVICE(0x04CC, 0x8116) }, /* Afina Eye */ | |
102 | { USB_DEVICE(0x06BE, 0x8116) }, /* new Afina Eye */ | |
103 | { USB_DEVICE(0x0d81, 0x1910) }, /* Visionite */ | |
104 | { USB_DEVICE(0x0d81, 0x1900) }, | |
105 | { } | |
106 | }; | |
107 | MODULE_DEVICE_TABLE(usb, pwc_device_table); | |
108 | ||
109 | static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id *id); | |
110 | static void usb_pwc_disconnect(struct usb_interface *intf); | |
885fe18f | 111 | static void pwc_isoc_cleanup(struct pwc_device *pdev); |
1da177e4 LT |
112 | |
113 | static struct usb_driver pwc_driver = { | |
1da177e4 LT |
114 | .name = "Philips webcam", /* name */ |
115 | .id_table = pwc_device_table, | |
116 | .probe = usb_pwc_probe, /* probe() */ | |
117 | .disconnect = usb_pwc_disconnect, /* disconnect() */ | |
118 | }; | |
119 | ||
120 | #define MAX_DEV_HINTS 20 | |
121 | #define MAX_ISOC_ERRORS 20 | |
122 | ||
05ad3907 | 123 | #ifdef CONFIG_USB_PWC_DEBUG |
b930e1d8 | 124 | int pwc_trace = PWC_DEBUG_LEVEL; |
2b455db6 | 125 | #endif |
3b4d0ec7 | 126 | static int power_save = -1; |
c24e1371 | 127 | static int leds[2] = { 100, 0 }; |
1da177e4 LT |
128 | |
129 | /***/ | |
130 | ||
bec43661 | 131 | static const struct v4l2_file_operations pwc_fops = { |
1da177e4 | 132 | .owner = THIS_MODULE, |
76ae8538 | 133 | .open = v4l2_fh_open, |
2e43dec0 HV |
134 | .release = vb2_fop_release, |
135 | .read = vb2_fop_read, | |
136 | .poll = vb2_fop_poll, | |
137 | .mmap = vb2_fop_mmap, | |
afa38521 | 138 | .unlocked_ioctl = video_ioctl2, |
1da177e4 | 139 | }; |
86844942 | 140 | static const struct video_device pwc_template = { |
1da177e4 | 141 | .name = "Philips Webcam", /* Filled in later */ |
76ae8538 | 142 | .release = video_device_release_empty, |
1da177e4 | 143 | .fops = &pwc_fops, |
9a7b2d1f | 144 | .ioctl_ops = &pwc_ioctl_ops, |
1da177e4 LT |
145 | }; |
146 | ||
1da177e4 LT |
147 | /***************************************************************************/ |
148 | /* Private functions */ | |
149 | ||
1161db67 MK |
150 | static void *pwc_alloc_urb_buffer(struct device *dev, |
151 | size_t size, dma_addr_t *dma_handle) | |
152 | { | |
153 | void *buffer = kmalloc(size, GFP_KERNEL); | |
154 | ||
155 | if (!buffer) | |
156 | return NULL; | |
157 | ||
158 | *dma_handle = dma_map_single(dev, buffer, size, DMA_FROM_DEVICE); | |
159 | if (dma_mapping_error(dev, *dma_handle)) { | |
160 | kfree(buffer); | |
161 | return NULL; | |
162 | } | |
163 | ||
164 | return buffer; | |
165 | } | |
166 | ||
167 | static void pwc_free_urb_buffer(struct device *dev, | |
168 | size_t size, | |
169 | void *buffer, | |
170 | dma_addr_t dma_handle) | |
171 | { | |
172 | dma_unmap_single(dev, dma_handle, size, DMA_FROM_DEVICE); | |
173 | kfree(buffer); | |
174 | } | |
175 | ||
0dc6eb9f | 176 | static struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev) |
1da177e4 | 177 | { |
885fe18f HG |
178 | unsigned long flags = 0; |
179 | struct pwc_frame_buf *buf = NULL; | |
180 | ||
181 | spin_lock_irqsave(&pdev->queued_bufs_lock, flags); | |
182 | if (list_empty(&pdev->queued_bufs)) | |
183 | goto leave; | |
184 | ||
185 | buf = list_entry(pdev->queued_bufs.next, struct pwc_frame_buf, list); | |
186 | list_del(&buf->list); | |
187 | leave: | |
188 | spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags); | |
189 | return buf; | |
2b455db6 LS |
190 | } |
191 | ||
e32a7ecc NPT |
192 | static void pwc_snapshot_button(struct pwc_device *pdev, int down) |
193 | { | |
194 | if (down) { | |
195 | PWC_TRACE("Snapshot button pressed.\n"); | |
e32a7ecc NPT |
196 | } else { |
197 | PWC_TRACE("Snapshot button released.\n"); | |
198 | } | |
199 | ||
200 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV | |
201 | if (pdev->button_dev) { | |
bcd3e4b3 | 202 | input_report_key(pdev->button_dev, KEY_CAMERA, down); |
e32a7ecc NPT |
203 | input_sync(pdev->button_dev); |
204 | } | |
205 | #endif | |
206 | } | |
207 | ||
885fe18f | 208 | static void pwc_frame_complete(struct pwc_device *pdev) |
2b455db6 | 209 | { |
885fe18f | 210 | struct pwc_frame_buf *fbuf = pdev->fill_buf; |
2b455db6 LS |
211 | |
212 | /* The ToUCam Fun CMOS sensor causes the firmware to send 2 or 3 bogus | |
213 | frames on the USB wire after an exposure change. This conditition is | |
214 | however detected in the cam and a bit is set in the header. | |
215 | */ | |
216 | if (pdev->type == 730) { | |
217 | unsigned char *ptr = (unsigned char *)fbuf->data; | |
218 | ||
219 | if (ptr[1] == 1 && ptr[0] & 0x10) { | |
220 | PWC_TRACE("Hyundai CMOS sensor bug. Dropping frame.\n"); | |
221 | pdev->drop_frames += 2; | |
2b455db6 LS |
222 | } |
223 | if ((ptr[0] ^ pdev->vmirror) & 0x01) { | |
e32a7ecc | 224 | pwc_snapshot_button(pdev, ptr[0] & 0x01); |
2b455db6 LS |
225 | } |
226 | if ((ptr[0] ^ pdev->vmirror) & 0x02) { | |
227 | if (ptr[0] & 0x02) | |
228 | PWC_TRACE("Image is mirrored.\n"); | |
229 | else | |
230 | PWC_TRACE("Image is normal.\n"); | |
231 | } | |
232 | pdev->vmirror = ptr[0] & 0x03; | |
233 | /* Sometimes the trailer of the 730 is still sent as a 4 byte packet | |
234 | after a short frame; this condition is filtered out specifically. A 4 byte | |
235 | frame doesn't make sense anyway. | |
236 | So we get either this sequence: | |
237 | drop_bit set -> 4 byte frame -> short frame -> good frame | |
238 | Or this one: | |
239 | drop_bit set -> short frame -> good frame | |
240 | So we drop either 3 or 2 frames in all! | |
241 | */ | |
242 | if (fbuf->filled == 4) | |
243 | pdev->drop_frames++; | |
885fe18f | 244 | } else if (pdev->type == 740 || pdev->type == 720) { |
2b455db6 LS |
245 | unsigned char *ptr = (unsigned char *)fbuf->data; |
246 | if ((ptr[0] ^ pdev->vmirror) & 0x01) { | |
e32a7ecc | 247 | pwc_snapshot_button(pdev, ptr[0] & 0x01); |
2b455db6 LS |
248 | } |
249 | pdev->vmirror = ptr[0] & 0x03; | |
250 | } | |
251 | ||
885fe18f HG |
252 | /* In case we were instructed to drop the frame, do so silently. */ |
253 | if (pdev->drop_frames > 0) { | |
2b455db6 | 254 | pdev->drop_frames--; |
885fe18f | 255 | } else { |
2b455db6 LS |
256 | /* Check for underflow first */ |
257 | if (fbuf->filled < pdev->frame_total_size) { | |
c91e42f5 MCC |
258 | PWC_DEBUG_FLOW("Frame buffer underflow (%d bytes); discarded.\n", |
259 | fbuf->filled); | |
885fe18f | 260 | } else { |
2d700715 JS |
261 | fbuf->vb.field = V4L2_FIELD_NONE; |
262 | fbuf->vb.sequence = pdev->vframe_count; | |
263 | vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE); | |
885fe18f HG |
264 | pdev->fill_buf = NULL; |
265 | pdev->vsync = 0; | |
2b455db6 LS |
266 | } |
267 | } /* !drop_frames */ | |
268 | pdev->vframe_count++; | |
2b455db6 | 269 | } |
1da177e4 LT |
270 | |
271 | /* This gets called for the Isochronous pipe (video). This is done in | |
272 | * interrupt time, so it has to be fast, not crash, and not stall. Neat. | |
273 | */ | |
7d12e780 | 274 | static void pwc_isoc_handler(struct urb *urb) |
1da177e4 | 275 | { |
885fe18f | 276 | struct pwc_device *pdev = (struct pwc_device *)urb->context; |
1da177e4 | 277 | int i, fst, flen; |
885fe18f | 278 | unsigned char *iso_buf = NULL; |
1da177e4 | 279 | |
c1d5fb01 MK |
280 | trace_pwc_handler_enter(urb, pdev); |
281 | ||
885fe18f HG |
282 | if (urb->status == -ENOENT || urb->status == -ECONNRESET || |
283 | urb->status == -ESHUTDOWN) { | |
b436e26e CIK |
284 | PWC_DEBUG_OPEN("URB (%p) unlinked %ssynchronously.\n", |
285 | urb, urb->status == -ENOENT ? "" : "a"); | |
1da177e4 LT |
286 | return; |
287 | } | |
885fe18f HG |
288 | |
289 | if (pdev->fill_buf == NULL) | |
290 | pdev->fill_buf = pwc_get_next_fill_buf(pdev); | |
291 | ||
292 | if (urb->status != 0) { | |
1da177e4 LT |
293 | const char *errmsg; |
294 | ||
295 | errmsg = "Unknown"; | |
296 | switch(urb->status) { | |
297 | case -ENOSR: errmsg = "Buffer error (overrun)"; break; | |
298 | case -EPIPE: errmsg = "Stalled (device not responding)"; break; | |
299 | case -EOVERFLOW: errmsg = "Babble (bad cable?)"; break; | |
300 | case -EPROTO: errmsg = "Bit-stuff error (bad cable?)"; break; | |
301 | case -EILSEQ: errmsg = "CRC/Timeout (could be anything)"; break; | |
38e2bfc9 | 302 | case -ETIME: errmsg = "Device does not respond"; break; |
1da177e4 | 303 | } |
885fe18f HG |
304 | PWC_ERROR("pwc_isoc_handler() called with status %d [%s].\n", |
305 | urb->status, errmsg); | |
306 | /* Give up after a number of contiguous errors */ | |
1da177e4 LT |
307 | if (++pdev->visoc_errors > MAX_ISOC_ERRORS) |
308 | { | |
885fe18f HG |
309 | PWC_ERROR("Too many ISOC errors, bailing out.\n"); |
310 | if (pdev->fill_buf) { | |
2d700715 | 311 | vb2_buffer_done(&pdev->fill_buf->vb.vb2_buf, |
885fe18f HG |
312 | VB2_BUF_STATE_ERROR); |
313 | pdev->fill_buf = NULL; | |
314 | } | |
1da177e4 | 315 | } |
885fe18f | 316 | pdev->vsync = 0; /* Drop the current frame */ |
1da177e4 LT |
317 | goto handler_end; |
318 | } | |
1da177e4 LT |
319 | |
320 | /* Reset ISOC error counter. We did get here, after all. */ | |
321 | pdev->visoc_errors = 0; | |
322 | ||
1161db67 MK |
323 | dma_sync_single_for_cpu(&urb->dev->dev, |
324 | urb->transfer_dma, | |
325 | urb->transfer_buffer_length, | |
326 | DMA_FROM_DEVICE); | |
327 | ||
1da177e4 | 328 | /* vsync: 0 = don't copy data |
d56410e0 MCC |
329 | 1 = sync-hunt |
330 | 2 = synched | |
1da177e4 LT |
331 | */ |
332 | /* Compact data */ | |
333 | for (i = 0; i < urb->number_of_packets; i++) { | |
334 | fst = urb->iso_frame_desc[i].status; | |
335 | flen = urb->iso_frame_desc[i].actual_length; | |
336 | iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
885fe18f HG |
337 | if (fst != 0) { |
338 | PWC_ERROR("Iso frame %d has error %d\n", i, fst); | |
339 | continue; | |
340 | } | |
341 | if (flen > 0 && pdev->vsync) { | |
342 | struct pwc_frame_buf *fbuf = pdev->fill_buf; | |
343 | ||
344 | if (pdev->vsync == 1) { | |
d6dd645e | 345 | fbuf->vb.vb2_buf.timestamp = ktime_get_ns(); |
885fe18f HG |
346 | pdev->vsync = 2; |
347 | } | |
348 | ||
349 | if (flen + fbuf->filled > pdev->frame_total_size) { | |
350 | PWC_ERROR("Frame overflow (%d > %d)\n", | |
351 | flen + fbuf->filled, | |
352 | pdev->frame_total_size); | |
353 | pdev->vsync = 0; /* Let's wait for an EOF */ | |
354 | } else { | |
355 | memcpy(fbuf->data + fbuf->filled, iso_buf, | |
356 | flen); | |
1da177e4 | 357 | fbuf->filled += flen; |
885fe18f HG |
358 | } |
359 | } | |
360 | if (flen < pdev->vlast_packet_size) { | |
361 | /* Shorter packet... end of frame */ | |
362 | if (pdev->vsync == 2) | |
363 | pwc_frame_complete(pdev); | |
364 | if (pdev->fill_buf == NULL) | |
365 | pdev->fill_buf = pwc_get_next_fill_buf(pdev); | |
366 | if (pdev->fill_buf) { | |
367 | pdev->fill_buf->filled = 0; | |
1da177e4 | 368 | pdev->vsync = 1; |
2b455db6 | 369 | } |
1da177e4 | 370 | } |
885fe18f | 371 | pdev->vlast_packet_size = flen; |
1da177e4 LT |
372 | } |
373 | ||
1161db67 MK |
374 | dma_sync_single_for_device(&urb->dev->dev, |
375 | urb->transfer_dma, | |
376 | urb->transfer_buffer_length, | |
377 | DMA_FROM_DEVICE); | |
378 | ||
1da177e4 | 379 | handler_end: |
c1d5fb01 MK |
380 | trace_pwc_handler_exit(urb, pdev); |
381 | ||
1da177e4 LT |
382 | i = usb_submit_urb(urb, GFP_ATOMIC); |
383 | if (i != 0) | |
2b455db6 | 384 | PWC_ERROR("Error (%d) re-submitting urb in pwc_isoc_handler.\n", i); |
1da177e4 LT |
385 | } |
386 | ||
ceede9fa | 387 | /* Both v4l2_lock and vb_queue_lock should be locked when calling this */ |
885fe18f | 388 | static int pwc_isoc_init(struct pwc_device *pdev) |
1da177e4 LT |
389 | { |
390 | struct usb_device *udev; | |
391 | struct urb *urb; | |
392 | int i, j, ret; | |
1da177e4 LT |
393 | struct usb_interface *intf; |
394 | struct usb_host_interface *idesc = NULL; | |
5bbe18d7 | 395 | int compression = 0; /* 0..3 = uncompressed..high */ |
1da177e4 | 396 | |
1da177e4 | 397 | pdev->vsync = 0; |
6eba9357 | 398 | pdev->vlast_packet_size = 0; |
885fe18f HG |
399 | pdev->fill_buf = NULL; |
400 | pdev->vframe_count = 0; | |
6eba9357 | 401 | pdev->visoc_errors = 0; |
1da177e4 LT |
402 | udev = pdev->udev; |
403 | ||
5bbe18d7 HG |
404 | retry: |
405 | /* We first try with low compression and then retry with a higher | |
406 | compression setting if there is not enough bandwidth. */ | |
938d5b9e HG |
407 | ret = pwc_set_video_mode(pdev, pdev->width, pdev->height, pdev->pixfmt, |
408 | pdev->vframes, &compression, 1); | |
5bbe18d7 | 409 | |
1da177e4 | 410 | /* Get the current alternate interface, adjust packet size */ |
1da177e4 LT |
411 | intf = usb_ifnum_to_if(udev, 0); |
412 | if (intf) | |
413 | idesc = usb_altnum_to_altsetting(intf, pdev->valternate); | |
1da177e4 | 414 | if (!idesc) |
c2464121 | 415 | return -EIO; |
1da177e4 LT |
416 | |
417 | /* Search video endpoint */ | |
418 | pdev->vmax_packet_size = -1; | |
2b455db6 | 419 | for (i = 0; i < idesc->desc.bNumEndpoints; i++) { |
1da177e4 LT |
420 | if ((idesc->endpoint[i].desc.bEndpointAddress & 0xF) == pdev->vendpoint) { |
421 | pdev->vmax_packet_size = le16_to_cpu(idesc->endpoint[i].desc.wMaxPacketSize); | |
422 | break; | |
423 | } | |
2b455db6 | 424 | } |
d56410e0 | 425 | |
1da177e4 | 426 | if (pdev->vmax_packet_size < 0 || pdev->vmax_packet_size > ISO_MAX_FRAME_SIZE) { |
2b455db6 | 427 | PWC_ERROR("Failed to find packet size for video endpoint in current alternate setting.\n"); |
093cf723 | 428 | return -ENFILE; /* Odd error, that should be noticeable */ |
1da177e4 LT |
429 | } |
430 | ||
431 | /* Set alternate interface */ | |
2b455db6 | 432 | PWC_DEBUG_OPEN("Setting alternate interface %d\n", pdev->valternate); |
1da177e4 | 433 | ret = usb_set_interface(pdev->udev, 0, pdev->valternate); |
5bbe18d7 HG |
434 | if (ret == -ENOSPC && compression < 3) { |
435 | compression++; | |
436 | goto retry; | |
437 | } | |
1da177e4 LT |
438 | if (ret < 0) |
439 | return ret; | |
440 | ||
04613c5e | 441 | /* Allocate and init Isochronuous urbs */ |
1da177e4 LT |
442 | for (i = 0; i < MAX_ISO_BUFS; i++) { |
443 | urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL); | |
444 | if (urb == NULL) { | |
6eba9357 HG |
445 | pwc_isoc_cleanup(pdev); |
446 | return -ENOMEM; | |
1da177e4 | 447 | } |
04613c5e | 448 | pdev->urbs[i] = urb; |
2b455db6 | 449 | PWC_DEBUG_MEMORY("Allocated URB at 0x%p\n", urb); |
1da177e4 LT |
450 | |
451 | urb->interval = 1; // devik | |
452 | urb->dev = udev; | |
d56410e0 | 453 | urb->pipe = usb_rcvisocpipe(udev, pdev->vendpoint); |
04613c5e | 454 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
1161db67 MK |
455 | urb->transfer_buffer_length = ISO_BUFFER_SIZE; |
456 | urb->transfer_buffer = pwc_alloc_urb_buffer(&udev->dev, | |
457 | urb->transfer_buffer_length, | |
458 | &urb->transfer_dma); | |
04613c5e HG |
459 | if (urb->transfer_buffer == NULL) { |
460 | PWC_ERROR("Failed to allocate urb buffer %d\n", i); | |
04613c5e HG |
461 | pwc_isoc_cleanup(pdev); |
462 | return -ENOMEM; | |
463 | } | |
d56410e0 MCC |
464 | urb->complete = pwc_isoc_handler; |
465 | urb->context = pdev; | |
1da177e4 LT |
466 | urb->start_frame = 0; |
467 | urb->number_of_packets = ISO_FRAMES_PER_DESC; | |
468 | for (j = 0; j < ISO_FRAMES_PER_DESC; j++) { | |
469 | urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE; | |
470 | urb->iso_frame_desc[j].length = pdev->vmax_packet_size; | |
471 | } | |
472 | } | |
473 | ||
474 | /* link */ | |
475 | for (i = 0; i < MAX_ISO_BUFS; i++) { | |
04613c5e | 476 | ret = usb_submit_urb(pdev->urbs[i], GFP_KERNEL); |
5bbe18d7 HG |
477 | if (ret == -ENOSPC && compression < 3) { |
478 | compression++; | |
5bbe18d7 HG |
479 | pwc_isoc_cleanup(pdev); |
480 | goto retry; | |
481 | } | |
622d9f5d | 482 | if (ret) { |
2b455db6 | 483 | PWC_ERROR("isoc_init() submit_urb %d failed with error %d\n", i, ret); |
622d9f5d HG |
484 | pwc_isoc_cleanup(pdev); |
485 | return ret; | |
486 | } | |
04613c5e | 487 | PWC_DEBUG_MEMORY("URB 0x%p submitted.\n", pdev->urbs[i]); |
1da177e4 LT |
488 | } |
489 | ||
490 | /* All is done... */ | |
2b455db6 | 491 | PWC_DEBUG_OPEN("<< pwc_isoc_init()\n"); |
1da177e4 LT |
492 | return 0; |
493 | } | |
494 | ||
0b67f5c5 | 495 | static void pwc_iso_stop(struct pwc_device *pdev) |
1da177e4 LT |
496 | { |
497 | int i; | |
498 | ||
1da177e4 LT |
499 | /* Unlinking ISOC buffers one by one */ |
500 | for (i = 0; i < MAX_ISO_BUFS; i++) { | |
04613c5e HG |
501 | if (pdev->urbs[i]) { |
502 | PWC_DEBUG_MEMORY("Unlinking URB %p\n", pdev->urbs[i]); | |
503 | usb_kill_urb(pdev->urbs[i]); | |
0b67f5c5 ON |
504 | } |
505 | } | |
506 | } | |
507 | ||
508 | static void pwc_iso_free(struct pwc_device *pdev) | |
509 | { | |
510 | int i; | |
511 | ||
512 | /* Freeing ISOC buffers one by one */ | |
513 | for (i = 0; i < MAX_ISO_BUFS; i++) { | |
1161db67 MK |
514 | struct urb *urb = pdev->urbs[i]; |
515 | ||
516 | if (urb) { | |
2b455db6 | 517 | PWC_DEBUG_MEMORY("Freeing URB\n"); |
1161db67 MK |
518 | if (urb->transfer_buffer) |
519 | pwc_free_urb_buffer(&urb->dev->dev, | |
520 | urb->transfer_buffer_length, | |
521 | urb->transfer_buffer, | |
522 | urb->transfer_dma); | |
523 | usb_free_urb(urb); | |
04613c5e | 524 | pdev->urbs[i] = NULL; |
1da177e4 LT |
525 | } |
526 | } | |
0b67f5c5 ON |
527 | } |
528 | ||
ceede9fa | 529 | /* Both v4l2_lock and vb_queue_lock should be locked when calling this */ |
885fe18f | 530 | static void pwc_isoc_cleanup(struct pwc_device *pdev) |
0b67f5c5 ON |
531 | { |
532 | PWC_DEBUG_OPEN(">> pwc_isoc_cleanup()\n"); | |
c2464121 | 533 | |
0b67f5c5 ON |
534 | pwc_iso_stop(pdev); |
535 | pwc_iso_free(pdev); | |
b824bb4b | 536 | usb_set_interface(pdev->udev, 0, 0); |
1da177e4 | 537 | |
2b455db6 | 538 | PWC_DEBUG_OPEN("<< pwc_isoc_cleanup()\n"); |
1da177e4 LT |
539 | } |
540 | ||
ceede9fa | 541 | /* Must be called with vb_queue_lock hold */ |
80b0963e HV |
542 | static void pwc_cleanup_queued_bufs(struct pwc_device *pdev, |
543 | enum vb2_buffer_state state) | |
885fe18f | 544 | { |
c20d78cd HG |
545 | unsigned long flags = 0; |
546 | ||
547 | spin_lock_irqsave(&pdev->queued_bufs_lock, flags); | |
885fe18f HG |
548 | while (!list_empty(&pdev->queued_bufs)) { |
549 | struct pwc_frame_buf *buf; | |
550 | ||
551 | buf = list_entry(pdev->queued_bufs.next, struct pwc_frame_buf, | |
552 | list); | |
553 | list_del(&buf->list); | |
2d700715 | 554 | vb2_buffer_done(&buf->vb.vb2_buf, state); |
885fe18f | 555 | } |
c20d78cd | 556 | spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags); |
885fe18f HG |
557 | } |
558 | ||
05ad3907 | 559 | #ifdef CONFIG_USB_PWC_DEBUG |
2b455db6 LS |
560 | static const char *pwc_sensor_type_to_string(unsigned int sensor_type) |
561 | { | |
562 | switch(sensor_type) { | |
563 | case 0x00: | |
564 | return "Hyundai CMOS sensor"; | |
565 | case 0x20: | |
566 | return "Sony CCD sensor + TDA8787"; | |
567 | case 0x2E: | |
568 | return "Sony CCD sensor + Exas 98L59"; | |
569 | case 0x2F: | |
570 | return "Sony CCD sensor + ADI 9804"; | |
571 | case 0x30: | |
572 | return "Sharp CCD sensor + TDA8787"; | |
573 | case 0x3E: | |
574 | return "Sharp CCD sensor + Exas 98L59"; | |
575 | case 0x3F: | |
576 | return "Sharp CCD sensor + ADI 9804"; | |
577 | case 0x40: | |
578 | return "UPA 1021 sensor"; | |
579 | case 0x100: | |
580 | return "VGA sensor"; | |
581 | case 0x101: | |
582 | return "PAL MR sensor"; | |
583 | default: | |
657de3cd | 584 | return "unknown type of sensor"; |
2b455db6 LS |
585 | } |
586 | } | |
587 | #endif | |
1da177e4 LT |
588 | |
589 | /***************************************************************************/ | |
590 | /* Video4Linux functions */ | |
591 | ||
76ae8538 | 592 | static void pwc_video_release(struct v4l2_device *v) |
1da177e4 | 593 | { |
76ae8538 | 594 | struct pwc_device *pdev = container_of(v, struct pwc_device, v4l2_dev); |
89dec01b | 595 | |
6c9cac89 | 596 | v4l2_ctrl_handler_free(&pdev->ctrl_handler); |
ceede9fa | 597 | v4l2_device_unregister(&pdev->v4l2_dev); |
24be689b | 598 | kfree(pdev->ctrl_buf); |
89dec01b | 599 | kfree(pdev); |
85237f20 ON |
600 | } |
601 | ||
885fe18f HG |
602 | /***************************************************************************/ |
603 | /* Videobuf2 operations */ | |
604 | ||
df9ecb0c | 605 | static int queue_setup(struct vb2_queue *vq, |
fc714e70 | 606 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 607 | unsigned int sizes[], struct device *alloc_devs[]) |
885fe18f HG |
608 | { |
609 | struct pwc_device *pdev = vb2_get_drv_priv(vq); | |
795e6eb3 | 610 | int size; |
885fe18f HG |
611 | |
612 | if (*nbuffers < MIN_FRAMES) | |
613 | *nbuffers = MIN_FRAMES; | |
614 | else if (*nbuffers > MAX_FRAMES) | |
615 | *nbuffers = MAX_FRAMES; | |
616 | ||
617 | *nplanes = 1; | |
618 | ||
795e6eb3 HG |
619 | size = pwc_get_size(pdev, MAX_WIDTH, MAX_HEIGHT); |
620 | sizes[0] = PAGE_ALIGN(pwc_image_sizes[size][0] * | |
621 | pwc_image_sizes[size][1] * 3 / 2); | |
885fe18f HG |
622 | |
623 | return 0; | |
624 | } | |
625 | ||
626 | static int buffer_init(struct vb2_buffer *vb) | |
627 | { | |
2d700715 JS |
628 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
629 | struct pwc_frame_buf *buf = | |
630 | container_of(vbuf, struct pwc_frame_buf, vb); | |
3751e288 | 631 | |
885fe18f HG |
632 | /* need vmalloc since frame buffer > 128K */ |
633 | buf->data = vzalloc(PWC_FRAME_SIZE); | |
634 | if (buf->data == NULL) | |
635 | return -ENOMEM; | |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
640 | static int buffer_prepare(struct vb2_buffer *vb) | |
641 | { | |
642 | struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue); | |
643 | ||
3e4d8f48 | 644 | /* Don't allow queueing new buffers after device disconnection */ |
b824bb4b HG |
645 | if (!pdev->udev) |
646 | return -ENODEV; | |
1da177e4 LT |
647 | |
648 | return 0; | |
649 | } | |
650 | ||
06470642 | 651 | static void buffer_finish(struct vb2_buffer *vb) |
1da177e4 | 652 | { |
885fe18f | 653 | struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 JS |
654 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
655 | struct pwc_frame_buf *buf = | |
656 | container_of(vbuf, struct pwc_frame_buf, vb); | |
d56410e0 | 657 | |
1a179481 HV |
658 | if (vb->state == VB2_BUF_STATE_DONE) { |
659 | /* | |
660 | * Application has called dqbuf and is getting back a buffer | |
661 | * we've filled, take the pwc data we've stored in buf->data | |
662 | * and decompress it into a usable format, storing the result | |
663 | * in the vb2_buffer. | |
664 | */ | |
665 | pwc_decompress(pdev, buf); | |
666 | } | |
885fe18f HG |
667 | } |
668 | ||
669 | static void buffer_cleanup(struct vb2_buffer *vb) | |
670 | { | |
2d700715 JS |
671 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
672 | struct pwc_frame_buf *buf = | |
673 | container_of(vbuf, struct pwc_frame_buf, vb); | |
885fe18f HG |
674 | |
675 | vfree(buf->data); | |
676 | } | |
677 | ||
678 | static void buffer_queue(struct vb2_buffer *vb) | |
679 | { | |
680 | struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue); | |
2d700715 JS |
681 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
682 | struct pwc_frame_buf *buf = | |
683 | container_of(vbuf, struct pwc_frame_buf, vb); | |
885fe18f HG |
684 | unsigned long flags = 0; |
685 | ||
c20d78cd | 686 | /* Check the device has not disconnected between prep and queuing */ |
ceede9fa | 687 | if (!pdev->udev) { |
2d700715 | 688 | vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); |
ceede9fa HG |
689 | return; |
690 | } | |
691 | ||
692 | spin_lock_irqsave(&pdev->queued_bufs_lock, flags); | |
693 | list_add_tail(&buf->list, &pdev->queued_bufs); | |
885fe18f HG |
694 | spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags); |
695 | } | |
696 | ||
bd323e28 | 697 | static int start_streaming(struct vb2_queue *vq, unsigned int count) |
885fe18f HG |
698 | { |
699 | struct pwc_device *pdev = vb2_get_drv_priv(vq); | |
c20d78cd | 700 | int r; |
885fe18f | 701 | |
ceede9fa HG |
702 | if (!pdev->udev) |
703 | return -ENODEV; | |
b824bb4b | 704 | |
2e43dec0 HV |
705 | if (mutex_lock_interruptible(&pdev->v4l2_lock)) |
706 | return -ERESTARTSYS; | |
6eba9357 HG |
707 | /* Turn on camera and set LEDS on */ |
708 | pwc_camera_power(pdev, 1); | |
c24e1371 | 709 | pwc_set_leds(pdev, leds[0], leds[1]); |
6eba9357 | 710 | |
c20d78cd | 711 | r = pwc_isoc_init(pdev); |
5bbe18d7 HG |
712 | if (r) { |
713 | /* If we failed turn camera and LEDS back off */ | |
714 | pwc_set_leds(pdev, 0, 0); | |
715 | pwc_camera_power(pdev, 0); | |
716 | /* And cleanup any queued bufs!! */ | |
80b0963e | 717 | pwc_cleanup_queued_bufs(pdev, VB2_BUF_STATE_QUEUED); |
5bbe18d7 | 718 | } |
2e43dec0 | 719 | mutex_unlock(&pdev->v4l2_lock); |
ceede9fa | 720 | |
c20d78cd | 721 | return r; |
885fe18f HG |
722 | } |
723 | ||
e37559b2 | 724 | static void stop_streaming(struct vb2_queue *vq) |
885fe18f HG |
725 | { |
726 | struct pwc_device *pdev = vb2_get_drv_priv(vq); | |
727 | ||
e37559b2 | 728 | mutex_lock(&pdev->v4l2_lock); |
6eba9357 HG |
729 | if (pdev->udev) { |
730 | pwc_set_leds(pdev, 0, 0); | |
731 | pwc_camera_power(pdev, 0); | |
b824bb4b | 732 | pwc_isoc_cleanup(pdev); |
6eba9357 | 733 | } |
c20d78cd | 734 | |
80b0963e HV |
735 | pwc_cleanup_queued_bufs(pdev, VB2_BUF_STATE_ERROR); |
736 | if (pdev->fill_buf) | |
2d700715 JS |
737 | vb2_buffer_done(&pdev->fill_buf->vb.vb2_buf, |
738 | VB2_BUF_STATE_ERROR); | |
2e43dec0 | 739 | mutex_unlock(&pdev->v4l2_lock); |
1da177e4 LT |
740 | } |
741 | ||
1bc17717 | 742 | static const struct vb2_ops pwc_vb_queue_ops = { |
885fe18f HG |
743 | .queue_setup = queue_setup, |
744 | .buf_init = buffer_init, | |
745 | .buf_prepare = buffer_prepare, | |
746 | .buf_finish = buffer_finish, | |
747 | .buf_cleanup = buffer_cleanup, | |
748 | .buf_queue = buffer_queue, | |
749 | .start_streaming = start_streaming, | |
750 | .stop_streaming = stop_streaming, | |
2e43dec0 HV |
751 | .wait_prepare = vb2_ops_wait_prepare, |
752 | .wait_finish = vb2_ops_wait_finish, | |
885fe18f HG |
753 | }; |
754 | ||
1da177e4 LT |
755 | /***************************************************************************/ |
756 | /* USB functions */ | |
757 | ||
758 | /* This function gets called when a new device is plugged in or the usb core | |
759 | * is loaded. | |
760 | */ | |
761 | ||
762 | static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
763 | { | |
764 | struct usb_device *udev = interface_to_usbdev(intf); | |
765 | struct pwc_device *pdev = NULL; | |
766 | int vendor_id, product_id, type_id; | |
a081c340 | 767 | int rc; |
1da177e4 | 768 | int features = 0; |
5bbe18d7 | 769 | int compression = 0; |
3b4d0ec7 | 770 | int my_power_save = power_save; |
1da177e4 LT |
771 | char serial_number[30], *name; |
772 | ||
2b455db6 LS |
773 | vendor_id = le16_to_cpu(udev->descriptor.idVendor); |
774 | product_id = le16_to_cpu(udev->descriptor.idProduct); | |
775 | ||
1da177e4 | 776 | /* Check if we can handle this device */ |
2b455db6 LS |
777 | PWC_DEBUG_PROBE("probe() called [%04X %04X], if %d\n", |
778 | vendor_id, product_id, | |
1da177e4 LT |
779 | intf->altsetting->desc.bInterfaceNumber); |
780 | ||
781 | /* the interfaces are probed one by one. We are only interested in the | |
782 | video interface (0) now. | |
783 | Interface 1 is the Audio Control, and interface 2 Audio itself. | |
784 | */ | |
785 | if (intf->altsetting->desc.bInterfaceNumber > 0) | |
786 | return -ENODEV; | |
787 | ||
1da177e4 LT |
788 | if (vendor_id == 0x0471) { |
789 | switch (product_id) { | |
790 | case 0x0302: | |
2b455db6 | 791 | PWC_INFO("Philips PCA645VC USB webcam detected.\n"); |
1da177e4 LT |
792 | name = "Philips 645 webcam"; |
793 | type_id = 645; | |
794 | break; | |
795 | case 0x0303: | |
2b455db6 | 796 | PWC_INFO("Philips PCA646VC USB webcam detected.\n"); |
1da177e4 LT |
797 | name = "Philips 646 webcam"; |
798 | type_id = 646; | |
799 | break; | |
800 | case 0x0304: | |
2b455db6 | 801 | PWC_INFO("Askey VC010 type 2 USB webcam detected.\n"); |
1da177e4 LT |
802 | name = "Askey VC010 webcam"; |
803 | type_id = 646; | |
804 | break; | |
805 | case 0x0307: | |
2b455db6 | 806 | PWC_INFO("Philips PCVC675K (Vesta) USB webcam detected.\n"); |
1da177e4 LT |
807 | name = "Philips 675 webcam"; |
808 | type_id = 675; | |
809 | break; | |
810 | case 0x0308: | |
2b455db6 | 811 | PWC_INFO("Philips PCVC680K (Vesta Pro) USB webcam detected.\n"); |
1da177e4 LT |
812 | name = "Philips 680 webcam"; |
813 | type_id = 680; | |
814 | break; | |
815 | case 0x030C: | |
2b455db6 | 816 | PWC_INFO("Philips PCVC690K (Vesta Pro Scan) USB webcam detected.\n"); |
1da177e4 LT |
817 | name = "Philips 690 webcam"; |
818 | type_id = 690; | |
819 | break; | |
820 | case 0x0310: | |
2b455db6 | 821 | PWC_INFO("Philips PCVC730K (ToUCam Fun)/PCVC830 (ToUCam II) USB webcam detected.\n"); |
1da177e4 LT |
822 | name = "Philips 730 webcam"; |
823 | type_id = 730; | |
824 | break; | |
825 | case 0x0311: | |
2b455db6 | 826 | PWC_INFO("Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected.\n"); |
1da177e4 LT |
827 | name = "Philips 740 webcam"; |
828 | type_id = 740; | |
829 | break; | |
830 | case 0x0312: | |
2b455db6 | 831 | PWC_INFO("Philips PCVC750K (ToUCam Pro Scan) USB webcam detected.\n"); |
1da177e4 LT |
832 | name = "Philips 750 webcam"; |
833 | type_id = 750; | |
834 | break; | |
835 | case 0x0313: | |
2b455db6 | 836 | PWC_INFO("Philips PCVC720K/40 (ToUCam XS) USB webcam detected.\n"); |
1da177e4 LT |
837 | name = "Philips 720K/40 webcam"; |
838 | type_id = 720; | |
839 | break; | |
2b455db6 LS |
840 | case 0x0329: |
841 | PWC_INFO("Philips SPC 900NC USB webcam detected.\n"); | |
842 | name = "Philips SPC 900NC webcam"; | |
9ee6d78c | 843 | type_id = 740; |
2b455db6 | 844 | break; |
7445e45d HG |
845 | case 0x032C: |
846 | PWC_INFO("Philips SPC 880NC USB webcam detected.\n"); | |
847 | name = "Philips SPC 880NC webcam"; | |
848 | type_id = 740; | |
849 | break; | |
1da177e4 LT |
850 | default: |
851 | return -ENODEV; | |
852 | break; | |
853 | } | |
854 | } | |
855 | else if (vendor_id == 0x069A) { | |
856 | switch(product_id) { | |
857 | case 0x0001: | |
2b455db6 | 858 | PWC_INFO("Askey VC010 type 1 USB webcam detected.\n"); |
1da177e4 LT |
859 | name = "Askey VC010 webcam"; |
860 | type_id = 645; | |
861 | break; | |
862 | default: | |
863 | return -ENODEV; | |
864 | break; | |
865 | } | |
866 | } | |
867 | else if (vendor_id == 0x046d) { | |
868 | switch(product_id) { | |
869 | case 0x08b0: | |
2b455db6 | 870 | PWC_INFO("Logitech QuickCam Pro 3000 USB webcam detected.\n"); |
1da177e4 LT |
871 | name = "Logitech QuickCam Pro 3000"; |
872 | type_id = 740; /* CCD sensor */ | |
873 | break; | |
874 | case 0x08b1: | |
2b455db6 | 875 | PWC_INFO("Logitech QuickCam Notebook Pro USB webcam detected.\n"); |
1da177e4 LT |
876 | name = "Logitech QuickCam Notebook Pro"; |
877 | type_id = 740; /* CCD sensor */ | |
878 | break; | |
879 | case 0x08b2: | |
2b455db6 | 880 | PWC_INFO("Logitech QuickCam 4000 Pro USB webcam detected.\n"); |
1da177e4 LT |
881 | name = "Logitech QuickCam Pro 4000"; |
882 | type_id = 740; /* CCD sensor */ | |
51886df0 HG |
883 | if (my_power_save == -1) |
884 | my_power_save = 1; | |
1da177e4 LT |
885 | break; |
886 | case 0x08b3: | |
2b455db6 | 887 | PWC_INFO("Logitech QuickCam Zoom USB webcam detected.\n"); |
1da177e4 LT |
888 | name = "Logitech QuickCam Zoom"; |
889 | type_id = 740; /* CCD sensor */ | |
890 | break; | |
891 | case 0x08B4: | |
2b455db6 | 892 | PWC_INFO("Logitech QuickCam Zoom (new model) USB webcam detected.\n"); |
1da177e4 LT |
893 | name = "Logitech QuickCam Zoom"; |
894 | type_id = 740; /* CCD sensor */ | |
3b4d0ec7 HG |
895 | if (my_power_save == -1) |
896 | my_power_save = 1; | |
1da177e4 LT |
897 | break; |
898 | case 0x08b5: | |
2b455db6 | 899 | PWC_INFO("Logitech QuickCam Orbit/Sphere USB webcam detected.\n"); |
1da177e4 LT |
900 | name = "Logitech QuickCam Orbit"; |
901 | type_id = 740; /* CCD sensor */ | |
51886df0 HG |
902 | if (my_power_save == -1) |
903 | my_power_save = 1; | |
1da177e4 LT |
904 | features |= FEATURE_MOTOR_PANTILT; |
905 | break; | |
906 | case 0x08b6: | |
a63e157f JT |
907 | PWC_INFO("Logitech/Cisco VT Camera webcam detected.\n"); |
908 | name = "Cisco VT Camera"; | |
909 | type_id = 740; /* CCD sensor */ | |
910 | break; | |
1da177e4 | 911 | case 0x08b7: |
6b1ce3c1 MCC |
912 | PWC_INFO("Logitech ViewPort AV 100 webcam detected.\n"); |
913 | name = "Logitech ViewPort AV 100"; | |
914 | type_id = 740; /* CCD sensor */ | |
915 | break; | |
916 | case 0x08b8: /* Where this released? */ | |
2b455db6 | 917 | PWC_INFO("Logitech QuickCam detected (reserved ID).\n"); |
1da177e4 LT |
918 | name = "Logitech QuickCam (res.)"; |
919 | type_id = 730; /* Assuming CMOS */ | |
920 | break; | |
d56410e0 | 921 | default: |
1da177e4 | 922 | return -ENODEV; |
d56410e0 MCC |
923 | break; |
924 | } | |
925 | } | |
1da177e4 LT |
926 | else if (vendor_id == 0x055d) { |
927 | /* I don't know the difference between the C10 and the C30; | |
928 | I suppose the difference is the sensor, but both cameras | |
929 | work equally well with a type_id of 675 | |
930 | */ | |
931 | switch(product_id) { | |
932 | case 0x9000: | |
2b455db6 | 933 | PWC_INFO("Samsung MPC-C10 USB webcam detected.\n"); |
1da177e4 LT |
934 | name = "Samsung MPC-C10"; |
935 | type_id = 675; | |
936 | break; | |
937 | case 0x9001: | |
2b455db6 | 938 | PWC_INFO("Samsung MPC-C30 USB webcam detected.\n"); |
1da177e4 LT |
939 | name = "Samsung MPC-C30"; |
940 | type_id = 675; | |
941 | break; | |
2b455db6 LS |
942 | case 0x9002: |
943 | PWC_INFO("Samsung SNC-35E (v3.0) USB webcam detected.\n"); | |
944 | name = "Samsung MPC-C30"; | |
945 | type_id = 740; | |
946 | break; | |
1da177e4 LT |
947 | default: |
948 | return -ENODEV; | |
949 | break; | |
950 | } | |
951 | } | |
952 | else if (vendor_id == 0x041e) { | |
953 | switch(product_id) { | |
954 | case 0x400c: | |
2b455db6 | 955 | PWC_INFO("Creative Labs Webcam 5 detected.\n"); |
1da177e4 LT |
956 | name = "Creative Labs Webcam 5"; |
957 | type_id = 730; | |
51886df0 HG |
958 | if (my_power_save == -1) |
959 | my_power_save = 1; | |
1da177e4 LT |
960 | break; |
961 | case 0x4011: | |
2b455db6 | 962 | PWC_INFO("Creative Labs Webcam Pro Ex detected.\n"); |
1da177e4 LT |
963 | name = "Creative Labs Webcam Pro Ex"; |
964 | type_id = 740; | |
965 | break; | |
966 | default: | |
967 | return -ENODEV; | |
968 | break; | |
969 | } | |
970 | } | |
971 | else if (vendor_id == 0x04cc) { | |
972 | switch(product_id) { | |
973 | case 0x8116: | |
2b455db6 | 974 | PWC_INFO("Sotec Afina Eye USB webcam detected.\n"); |
1da177e4 LT |
975 | name = "Sotec Afina Eye"; |
976 | type_id = 730; | |
977 | break; | |
978 | default: | |
979 | return -ENODEV; | |
980 | break; | |
981 | } | |
982 | } | |
983 | else if (vendor_id == 0x06be) { | |
984 | switch(product_id) { | |
985 | case 0x8116: | |
986 | /* This is essentially the same cam as the Sotec Afina Eye */ | |
2b455db6 | 987 | PWC_INFO("AME Co. Afina Eye USB webcam detected.\n"); |
1da177e4 LT |
988 | name = "AME Co. Afina Eye"; |
989 | type_id = 750; | |
990 | break; | |
991 | default: | |
992 | return -ENODEV; | |
993 | break; | |
994 | } | |
d56410e0 | 995 | |
1da177e4 LT |
996 | } |
997 | else if (vendor_id == 0x0d81) { | |
998 | switch(product_id) { | |
999 | case 0x1900: | |
2b455db6 | 1000 | PWC_INFO("Visionite VCS-UC300 USB webcam detected.\n"); |
1da177e4 LT |
1001 | name = "Visionite VCS-UC300"; |
1002 | type_id = 740; /* CCD sensor */ | |
1003 | break; | |
1004 | case 0x1910: | |
2b455db6 | 1005 | PWC_INFO("Visionite VCS-UM100 USB webcam detected.\n"); |
1da177e4 LT |
1006 | name = "Visionite VCS-UM100"; |
1007 | type_id = 730; /* CMOS sensor */ | |
1008 | break; | |
1009 | default: | |
1010 | return -ENODEV; | |
1011 | break; | |
1012 | } | |
1013 | } | |
d56410e0 | 1014 | else |
1da177e4 LT |
1015 | return -ENODEV; /* Not any of the know types; but the list keeps growing. */ |
1016 | ||
3b4d0ec7 HG |
1017 | if (my_power_save == -1) |
1018 | my_power_save = 0; | |
1019 | ||
1da177e4 LT |
1020 | memset(serial_number, 0, 30); |
1021 | usb_string(udev, udev->descriptor.iSerialNumber, serial_number, 29); | |
2b455db6 | 1022 | PWC_DEBUG_PROBE("Device serial number is %s\n", serial_number); |
1da177e4 LT |
1023 | |
1024 | if (udev->descriptor.bNumConfigurations > 1) | |
2b455db6 | 1025 | PWC_WARNING("Warning: more than 1 configuration available.\n"); |
1da177e4 LT |
1026 | |
1027 | /* Allocate structure, initialize pointers, mutexes, etc. and link it to the usb_device */ | |
80b6ca48 | 1028 | pdev = kzalloc(sizeof(struct pwc_device), GFP_KERNEL); |
1da177e4 | 1029 | if (pdev == NULL) { |
2b455db6 | 1030 | PWC_ERROR("Oops, could not allocate memory for pwc_device.\n"); |
1da177e4 LT |
1031 | return -ENOMEM; |
1032 | } | |
1da177e4 | 1033 | pdev->type = type_id; |
1da177e4 | 1034 | pdev->features = features; |
3b4d0ec7 | 1035 | pwc_construct(pdev); /* set min/max sizes correct */ |
1da177e4 | 1036 | |
ceede9fa HG |
1037 | mutex_init(&pdev->v4l2_lock); |
1038 | mutex_init(&pdev->vb_queue_lock); | |
885fe18f HG |
1039 | spin_lock_init(&pdev->queued_bufs_lock); |
1040 | INIT_LIST_HEAD(&pdev->queued_bufs); | |
1da177e4 LT |
1041 | |
1042 | pdev->udev = udev; | |
3b4d0ec7 | 1043 | pdev->power_save = my_power_save; |
1da177e4 | 1044 | |
885fe18f | 1045 | /* Init videobuf2 queue structure */ |
885fe18f HG |
1046 | pdev->vb_queue.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1047 | pdev->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; | |
1048 | pdev->vb_queue.drv_priv = pdev; | |
1049 | pdev->vb_queue.buf_struct_size = sizeof(struct pwc_frame_buf); | |
1050 | pdev->vb_queue.ops = &pwc_vb_queue_ops; | |
1051 | pdev->vb_queue.mem_ops = &vb2_vmalloc_memops; | |
ade48681 | 1052 | pdev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
eda94710 MCC |
1053 | rc = vb2_queue_init(&pdev->vb_queue); |
1054 | if (rc < 0) { | |
1055 | PWC_ERROR("Oops, could not initialize vb2 queue.\n"); | |
1056 | goto err_free_mem; | |
1057 | } | |
885fe18f | 1058 | |
9a7b2d1f | 1059 | /* Init video_device structure */ |
5c2edefe | 1060 | pdev->vdev = pwc_template; |
cc1e6315 | 1061 | strscpy(pdev->vdev.name, name, sizeof(pdev->vdev.name)); |
2e43dec0 HV |
1062 | pdev->vdev.queue = &pdev->vb_queue; |
1063 | pdev->vdev.queue->lock = &pdev->vb_queue_lock; | |
9a7b2d1f | 1064 | video_set_drvdata(&pdev->vdev, pdev); |
1da177e4 LT |
1065 | |
1066 | pdev->release = le16_to_cpu(udev->descriptor.bcdDevice); | |
2b455db6 | 1067 | PWC_DEBUG_PROBE("Release: %04x\n", pdev->release); |
1da177e4 | 1068 | |
24be689b HG |
1069 | /* Allocate USB command buffers */ |
1070 | pdev->ctrl_buf = kmalloc(sizeof(pdev->cmd_buf), GFP_KERNEL); | |
1071 | if (!pdev->ctrl_buf) { | |
1072 | PWC_ERROR("Oops, could not allocate memory for pwc_device.\n"); | |
1073 | rc = -ENOMEM; | |
1074 | goto err_free_mem; | |
1075 | } | |
1076 | ||
6eba9357 HG |
1077 | #ifdef CONFIG_USB_PWC_DEBUG |
1078 | /* Query sensor type */ | |
1079 | if (pwc_get_cmos_sensor(pdev, &rc) >= 0) { | |
1080 | PWC_DEBUG_OPEN("This %s camera is equipped with a %s (%d).\n", | |
1081 | pdev->vdev.name, | |
1082 | pwc_sensor_type_to_string(rc), rc); | |
1083 | } | |
1084 | #endif | |
1085 | ||
2b455db6 LS |
1086 | /* Set the leds off */ |
1087 | pwc_set_leds(pdev, 0, 0); | |
6eba9357 | 1088 | |
39c1cb2b | 1089 | /* Setup initial videomode */ |
d167a85c | 1090 | rc = pwc_set_video_mode(pdev, MAX_WIDTH, MAX_HEIGHT, |
938d5b9e | 1091 | V4L2_PIX_FMT_YUV420, 30, &compression, 1); |
6eba9357 HG |
1092 | if (rc) |
1093 | goto err_free_mem; | |
1094 | ||
6c9cac89 HG |
1095 | /* Register controls (and read default values from camera */ |
1096 | rc = pwc_init_controls(pdev); | |
1097 | if (rc) { | |
1098 | PWC_ERROR("Failed to register v4l2 controls (%d).\n", rc); | |
1099 | goto err_free_mem; | |
1100 | } | |
1101 | ||
6eba9357 | 1102 | /* And powerdown the camera until streaming starts */ |
2b455db6 LS |
1103 | pwc_camera_power(pdev, 0); |
1104 | ||
76ae8538 HG |
1105 | /* Register the v4l2_device structure */ |
1106 | pdev->v4l2_dev.release = pwc_video_release; | |
1107 | rc = v4l2_device_register(&intf->dev, &pdev->v4l2_dev); | |
1108 | if (rc) { | |
1109 | PWC_ERROR("Failed to register v4l2-device (%d).\n", rc); | |
1110 | goto err_free_controls; | |
1111 | } | |
1112 | ||
1113 | pdev->v4l2_dev.ctrl_handler = &pdev->ctrl_handler; | |
1114 | pdev->vdev.v4l2_dev = &pdev->v4l2_dev; | |
ceede9fa HG |
1115 | pdev->vdev.lock = &pdev->v4l2_lock; |
1116 | ||
a081c340 | 1117 | rc = video_register_device(&pdev->vdev, VFL_TYPE_GRABBER, -1); |
479567ce HV |
1118 | if (rc < 0) { |
1119 | PWC_ERROR("Failed to register as video device (%d).\n", rc); | |
76ae8538 | 1120 | goto err_unregister_v4l2_dev; |
479567ce | 1121 | } |
9a7b2d1f | 1122 | PWC_INFO("Registered as %s.\n", video_device_node_name(&pdev->vdev)); |
479567ce | 1123 | |
e32a7ecc NPT |
1124 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
1125 | /* register webcam snapshot button input device */ | |
1126 | pdev->button_dev = input_allocate_device(); | |
1127 | if (!pdev->button_dev) { | |
89dec01b | 1128 | rc = -ENOMEM; |
89dec01b | 1129 | goto err_video_unreg; |
e32a7ecc NPT |
1130 | } |
1131 | ||
89dec01b DT |
1132 | usb_make_path(udev, pdev->button_phys, sizeof(pdev->button_phys)); |
1133 | strlcat(pdev->button_phys, "/input0", sizeof(pdev->button_phys)); | |
1134 | ||
e32a7ecc | 1135 | pdev->button_dev->name = "PWC snapshot button"; |
89dec01b | 1136 | pdev->button_dev->phys = pdev->button_phys; |
e32a7ecc NPT |
1137 | usb_to_input_id(pdev->udev, &pdev->button_dev->id); |
1138 | pdev->button_dev->dev.parent = &pdev->udev->dev; | |
1139 | pdev->button_dev->evbit[0] = BIT_MASK(EV_KEY); | |
bcd3e4b3 | 1140 | pdev->button_dev->keybit[BIT_WORD(KEY_CAMERA)] = BIT_MASK(KEY_CAMERA); |
e32a7ecc NPT |
1141 | |
1142 | rc = input_register_device(pdev->button_dev); | |
1143 | if (rc) { | |
1144 | input_free_device(pdev->button_dev); | |
e32a7ecc | 1145 | pdev->button_dev = NULL; |
89dec01b | 1146 | goto err_video_unreg; |
e32a7ecc NPT |
1147 | } |
1148 | #endif | |
1149 | ||
1da177e4 | 1150 | return 0; |
c12e3be0 | 1151 | |
1f6bcd01 | 1152 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV |
89dec01b | 1153 | err_video_unreg: |
9a7b2d1f | 1154 | video_unregister_device(&pdev->vdev); |
1f6bcd01 | 1155 | #endif |
76ae8538 HG |
1156 | err_unregister_v4l2_dev: |
1157 | v4l2_device_unregister(&pdev->v4l2_dev); | |
6c9cac89 HG |
1158 | err_free_controls: |
1159 | v4l2_ctrl_handler_free(&pdev->ctrl_handler); | |
89dec01b | 1160 | err_free_mem: |
24be689b | 1161 | kfree(pdev->ctrl_buf); |
89dec01b | 1162 | kfree(pdev); |
c12e3be0 | 1163 | return rc; |
1da177e4 LT |
1164 | } |
1165 | ||
89dec01b | 1166 | /* The user yanked out the cable... */ |
1da177e4 LT |
1167 | static void usb_pwc_disconnect(struct usb_interface *intf) |
1168 | { | |
76ae8538 HG |
1169 | struct v4l2_device *v = usb_get_intfdata(intf); |
1170 | struct pwc_device *pdev = container_of(v, struct pwc_device, v4l2_dev); | |
1da177e4 | 1171 | |
ceede9fa | 1172 | mutex_lock(&pdev->vb_queue_lock); |
2e43dec0 | 1173 | mutex_lock(&pdev->v4l2_lock); |
9a7b2d1f | 1174 | /* No need to keep the urbs around after disconnection */ |
ceede9fa HG |
1175 | if (pdev->vb_queue.streaming) |
1176 | pwc_isoc_cleanup(pdev); | |
b824bb4b | 1177 | pdev->udev = NULL; |
c20d78cd | 1178 | |
ceede9fa | 1179 | v4l2_device_disconnect(&pdev->v4l2_dev); |
9a7b2d1f | 1180 | video_unregister_device(&pdev->vdev); |
ceede9fa | 1181 | mutex_unlock(&pdev->v4l2_lock); |
0ab61196 | 1182 | mutex_unlock(&pdev->vb_queue_lock); |
9a7b2d1f HG |
1183 | |
1184 | #ifdef CONFIG_USB_PWC_INPUT_EVDEV | |
1185 | if (pdev->button_dev) | |
1186 | input_unregister_device(pdev->button_dev); | |
1187 | #endif | |
76ae8538 HG |
1188 | |
1189 | v4l2_device_put(&pdev->v4l2_dev); | |
1da177e4 LT |
1190 | } |
1191 | ||
1da177e4 | 1192 | |
d56410e0 MCC |
1193 | /* |
1194 | * Initialization code & module stuff | |
1da177e4 LT |
1195 | */ |
1196 | ||
64a6f950 | 1197 | static unsigned int leds_nargs; |
2b455db6 | 1198 | |
05ad3907 | 1199 | #ifdef CONFIG_USB_PWC_DEBUG |
2b455db6 LS |
1200 | module_param_named(trace, pwc_trace, int, 0644); |
1201 | #endif | |
3b4d0ec7 | 1202 | module_param(power_save, int, 0644); |
2b455db6 | 1203 | module_param_array(leds, int, &leds_nargs, 0444); |
1da177e4 | 1204 | |
4315c414 | 1205 | #ifdef CONFIG_USB_PWC_DEBUG |
1da177e4 | 1206 | MODULE_PARM_DESC(trace, "For debugging purposes"); |
4315c414 | 1207 | #endif |
3b4d0ec7 | 1208 | MODULE_PARM_DESC(power_save, "Turn power saving for new cameras on or off"); |
1da177e4 | 1209 | MODULE_PARM_DESC(leds, "LED on,off time in milliseconds"); |
1da177e4 LT |
1210 | |
1211 | MODULE_DESCRIPTION("Philips & OEM USB webcam driver"); | |
1212 | MODULE_AUTHOR("Luc Saillard <luc@saillard.org>"); | |
1213 | MODULE_LICENSE("GPL"); | |
2b455db6 LS |
1214 | MODULE_ALIAS("pwcx"); |
1215 | MODULE_VERSION( PWC_VERSION ); | |
1da177e4 | 1216 | |
ceede9fa | 1217 | module_usb_driver(pwc_driver); |