Commit | Line | Data |
---|---|---|
9701dc94 | 1 | /* |
60fbfdfd RP |
2 | * tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices |
3 | * | |
4 | * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> | |
5 | * | |
6 | * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> | |
7 | * - Fixed module load/unload | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation version 2 | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
9701dc94 | 17 | */ |
3d1a51db | 18 | |
9701dc94 MCC |
19 | #include <linux/module.h> |
20 | #include <linux/delay.h> | |
21 | #include <linux/errno.h> | |
22 | #include <linux/fs.h> | |
23 | #include <linux/kernel.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/mm.h> | |
26 | #include <linux/ioport.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/sched.h> | |
29 | #include <linux/random.h> | |
9701dc94 MCC |
30 | #include <linux/usb.h> |
31 | #include <linux/videodev2.h> | |
2a8145d4 | 32 | #include <media/v4l2-ioctl.h> |
770056c4 | 33 | #include <media/v4l2-event.h> |
886a3c0b | 34 | #include <media/tuner.h> |
9701dc94 MCC |
35 | #include <linux/interrupt.h> |
36 | #include <linux/kthread.h> | |
37 | #include <linux/highmem.h> | |
38 | #include <linux/freezer.h> | |
39 | ||
40 | #include "tm6000-regs.h" | |
41 | #include "tm6000.h" | |
42 | ||
43 | #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ | |
44 | ||
95a83824 ML |
45 | /* Limits minimum and default number of buffers */ |
46 | #define TM6000_MIN_BUF 4 | |
47 | #define TM6000_DEF_BUF 8 | |
48 | ||
16427faf JS |
49 | #define TM6000_NUM_URB_BUF 8 |
50 | ||
5a4b55e2 | 51 | #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ |
ee1fc07c | 52 | |
9701dc94 MCC |
53 | /* Declare static vars that will be used as parameters */ |
54 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
55 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
8aff8ba9 | 56 | static int radio_nr = -1; /* /dev/radioN, -1 for autodetect */ |
b391b0ef | 57 | static bool keep_urb; /* keep urb buffers allocated */ |
9701dc94 | 58 | |
9701dc94 MCC |
59 | /* Debug level */ |
60 | int tm6000_debug; | |
faa7c134 | 61 | EXPORT_SYMBOL_GPL(tm6000_debug); |
9701dc94 | 62 | |
9701dc94 MCC |
63 | static struct tm6000_fmt format[] = { |
64 | { | |
65 | .name = "4:2:2, packed, YVY2", | |
66 | .fourcc = V4L2_PIX_FMT_YUYV, | |
67 | .depth = 16, | |
c4acf48c | 68 | }, { |
9701dc94 MCC |
69 | .name = "4:2:2, packed, UYVY", |
70 | .fourcc = V4L2_PIX_FMT_UYVY, | |
71 | .depth = 16, | |
c4acf48c | 72 | }, { |
9701dc94 MCC |
73 | .name = "A/V + VBI mux packet", |
74 | .fourcc = V4L2_PIX_FMT_TM6000, | |
75 | .depth = 16, | |
76 | } | |
77 | }; | |
78 | ||
9701dc94 | 79 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
80 | * DMA and thread functions |
81 | * ------------------------------------------------------------------ | |
82 | */ | |
9701dc94 MCC |
83 | |
84 | #define norm_maxw(a) 720 | |
4475c044 | 85 | #define norm_maxh(a) 576 |
9701dc94 | 86 | |
9701dc94 MCC |
87 | #define norm_minw(a) norm_maxw(a) |
88 | #define norm_minh(a) norm_maxh(a) | |
89 | ||
90 | /* | |
91 | * video-buf generic routine to get the next available buffer | |
92 | */ | |
721f507b | 93 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
c4acf48c | 94 | struct tm6000_buffer **buf) |
9701dc94 | 95 | { |
c4acf48c | 96 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
9701dc94 MCC |
97 | |
98 | if (list_empty(&dma_q->active)) { | |
c4acf48c | 99 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
1f9305b7 | 100 | *buf = NULL; |
721f507b | 101 | return; |
9701dc94 MCC |
102 | } |
103 | ||
104 | *buf = list_entry(dma_q->active.next, | |
105 | struct tm6000_buffer, vb.queue); | |
9701dc94 MCC |
106 | } |
107 | ||
108 | /* | |
109 | * Announces that a buffer were filled and request the next | |
110 | */ | |
c4acf48c MCC |
111 | static inline void buffer_filled(struct tm6000_core *dev, |
112 | struct tm6000_dmaqueue *dma_q, | |
113 | struct tm6000_buffer *buf) | |
9701dc94 MCC |
114 | { |
115 | /* Advice that buffer was filled */ | |
c4acf48c | 116 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
47878f16 | 117 | buf->vb.state = VIDEOBUF_DONE; |
9701dc94 | 118 | buf->vb.field_count++; |
8e6057b5 | 119 | v4l2_get_timestamp(&buf->vb.ts); |
9701dc94 MCC |
120 | |
121 | list_del(&buf->vb.queue); | |
122 | wake_up(&buf->vb.done); | |
123 | } | |
124 | ||
9701dc94 MCC |
125 | /* |
126 | * Identify the tm5600/6000 buffer header type and properly handles | |
127 | */ | |
4b6ed9fd SR |
128 | static int copy_streams(u8 *data, unsigned long len, |
129 | struct urb *urb) | |
e2c9500d MCC |
130 | { |
131 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd | 132 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
8173090a | 133 | u8 *ptr = data, *endp = data+len; |
60fbfdfd RP |
134 | unsigned long header = 0; |
135 | int rc = 0; | |
83cb9a50 | 136 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
cc73b4b5 | 137 | struct tm6000_buffer *vbuf = NULL; |
83cb9a50 SR |
138 | char *voutp = NULL; |
139 | unsigned int linewidth; | |
140 | ||
8aff8ba9 DB |
141 | if (!dev->radio) { |
142 | /* get video buffer */ | |
143 | get_next_buf(dma_q, &vbuf); | |
144 | ||
145 | if (!vbuf) | |
146 | return rc; | |
147 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
148 | ||
149 | if (!voutp) | |
150 | return 0; | |
151 | } | |
ed0236af | 152 | |
83cb9a50 | 153 | for (ptr = data; ptr < endp;) { |
ed0236af | 154 | if (!dev->isoc_ctl.cmd) { |
83cb9a50 SR |
155 | /* Header */ |
156 | if (dev->isoc_ctl.tmp_buf_len > 0) { | |
157 | /* from last urb or packet */ | |
158 | header = dev->isoc_ctl.tmp_buf; | |
159 | if (4 - dev->isoc_ctl.tmp_buf_len > 0) { | |
60fbfdfd | 160 | memcpy((u8 *)&header + |
801dd3b3 | 161 | dev->isoc_ctl.tmp_buf_len, |
ed0236af | 162 | ptr, |
801dd3b3 MCC |
163 | 4 - dev->isoc_ctl.tmp_buf_len); |
164 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; | |
ed0236af | 165 | } |
83cb9a50 SR |
166 | dev->isoc_ctl.tmp_buf_len = 0; |
167 | } else { | |
168 | if (ptr + 3 >= endp) { | |
169 | /* have incomplete header */ | |
170 | dev->isoc_ctl.tmp_buf_len = endp - ptr; | |
60fbfdfd | 171 | memcpy(&dev->isoc_ctl.tmp_buf, ptr, |
83cb9a50 SR |
172 | dev->isoc_ctl.tmp_buf_len); |
173 | return rc; | |
174 | } | |
175 | /* Seek for sync */ | |
176 | for (; ptr < endp - 3; ptr++) { | |
177 | if (*(ptr + 3) == 0x47) | |
178 | break; | |
179 | } | |
180 | /* Get message header */ | |
181 | header = *(unsigned long *)ptr; | |
182 | ptr += 4; | |
ed0236af | 183 | } |
23ba9463 | 184 | |
83cb9a50 | 185 | /* split the header fields */ |
83cb9a50 SR |
186 | size = ((header & 0x7e) << 1); |
187 | if (size > 0) | |
188 | size -= 4; | |
189 | block = (header >> 7) & 0xf; | |
190 | field = (header >> 11) & 0x1; | |
191 | line = (header >> 12) & 0x1ff; | |
192 | cmd = (header >> 21) & 0x7; | |
193 | /* Validates haeder fields */ | |
194 | if (size > TM6000_URB_MSG_LEN) | |
195 | size = TM6000_URB_MSG_LEN; | |
196 | pktsize = TM6000_URB_MSG_LEN; | |
3d1a51db TR |
197 | /* |
198 | * calculate position in buffer and change the buffer | |
83cb9a50 SR |
199 | */ |
200 | switch (cmd) { | |
201 | case TM6000_URB_MSG_VIDEO: | |
8aff8ba9 DB |
202 | if (!dev->radio) { |
203 | if ((dev->isoc_ctl.vfield != field) && | |
204 | (field == 1)) { | |
3d1a51db TR |
205 | /* |
206 | * Announces that a new buffer | |
207 | * were filled | |
208 | */ | |
8aff8ba9 DB |
209 | buffer_filled(dev, dma_q, vbuf); |
210 | dprintk(dev, V4L2_DEBUG_ISOC, | |
83cb9a50 | 211 | "new buffer filled\n"); |
8aff8ba9 DB |
212 | get_next_buf(dma_q, &vbuf); |
213 | if (!vbuf) | |
214 | return rc; | |
215 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
216 | if (!voutp) | |
217 | return rc; | |
218 | memset(voutp, 0, vbuf->vb.size); | |
219 | } | |
220 | linewidth = vbuf->vb.width << 1; | |
221 | pos = ((line << 1) - field - 1) * | |
222 | linewidth + block * TM6000_URB_MSG_LEN; | |
223 | /* Don't allow to write out of the buffer */ | |
224 | if (pos + size > vbuf->vb.size) | |
225 | cmd = TM6000_URB_MSG_ERR; | |
226 | dev->isoc_ctl.vfield = field; | |
cc73b4b5 | 227 | } |
83cb9a50 | 228 | break; |
83cb9a50 | 229 | case TM6000_URB_MSG_VBI: |
23ba9463 MCC |
230 | break; |
231 | case TM6000_URB_MSG_AUDIO: | |
83cb9a50 | 232 | case TM6000_URB_MSG_PTS: |
3d1a51db | 233 | size = pktsize; /* Size is always 180 bytes */ |
83cb9a50 | 234 | break; |
9701dc94 | 235 | } |
83cb9a50 SR |
236 | } else { |
237 | /* Continue the last copy */ | |
238 | cmd = dev->isoc_ctl.cmd; | |
239 | size = dev->isoc_ctl.size; | |
240 | pos = dev->isoc_ctl.pos; | |
241 | pktsize = dev->isoc_ctl.pktsize; | |
423c79e3 | 242 | field = dev->isoc_ctl.field; |
83cb9a50 SR |
243 | } |
244 | cpysize = (endp - ptr > size) ? size : endp - ptr; | |
245 | if (cpysize) { | |
246 | /* copy data in different buffers */ | |
247 | switch (cmd) { | |
248 | case TM6000_URB_MSG_VIDEO: | |
249 | /* Fills video buffer */ | |
250 | if (vbuf) | |
60fbfdfd | 251 | memcpy(&voutp[pos], ptr, cpysize); |
83cb9a50 | 252 | break; |
7ecff8c9 SR |
253 | case TM6000_URB_MSG_AUDIO: { |
254 | int i; | |
255 | for (i = 0; i < cpysize; i += 2) | |
256 | swab16s((u16 *)(ptr + i)); | |
73f4d265 | 257 | |
b17b8699 | 258 | tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); |
83cb9a50 | 259 | break; |
7ecff8c9 | 260 | } |
83cb9a50 SR |
261 | case TM6000_URB_MSG_VBI: |
262 | /* Need some code to copy vbi buffer */ | |
263 | break; | |
2f349daa | 264 | case TM6000_URB_MSG_PTS: { |
83cb9a50 | 265 | /* Need some code to copy pts */ |
2f349daa SR |
266 | u32 pts; |
267 | pts = *(u32 *)ptr; | |
423c79e3 SR |
268 | dprintk(dev, V4L2_DEBUG_ISOC, "field %d, PTS %x", |
269 | field, pts); | |
83cb9a50 | 270 | break; |
cc6c60d9 | 271 | } |
2f349daa | 272 | } |
ed0236af | 273 | } |
ccfb3028 | 274 | if (ptr + pktsize > endp) { |
3d1a51db TR |
275 | /* |
276 | * End of URB packet, but cmd processing is not | |
83cb9a50 SR |
277 | * complete. Preserve the state for a next packet |
278 | */ | |
279 | dev->isoc_ctl.pos = pos + cpysize; | |
280 | dev->isoc_ctl.size = size - cpysize; | |
281 | dev->isoc_ctl.cmd = cmd; | |
423c79e3 | 282 | dev->isoc_ctl.field = field; |
83cb9a50 | 283 | dev->isoc_ctl.pktsize = pktsize - (endp - ptr); |
ccfb3028 | 284 | ptr += endp - ptr; |
83cb9a50 SR |
285 | } else { |
286 | dev->isoc_ctl.cmd = 0; | |
287 | ptr += pktsize; | |
a228618c | 288 | } |
9701dc94 | 289 | } |
a228618c | 290 | return 0; |
9701dc94 | 291 | } |
83cb9a50 | 292 | |
9701dc94 MCC |
293 | /* |
294 | * Identify the tm5600/6000 buffer header type and properly handles | |
295 | */ | |
4b6ed9fd SR |
296 | static int copy_multiplexed(u8 *ptr, unsigned long len, |
297 | struct urb *urb) | |
9701dc94 MCC |
298 | { |
299 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
300 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
301 | unsigned int pos = dev->isoc_ctl.pos, cpysize; | |
302 | int rc = 1; | |
4b6ed9fd SR |
303 | struct tm6000_buffer *buf; |
304 | char *outp = NULL; | |
305 | ||
306 | get_next_buf(dma_q, &buf); | |
307 | if (buf) | |
308 | outp = videobuf_to_vmalloc(&buf->vb); | |
309 | ||
310 | if (!outp) | |
311 | return 0; | |
ed0236af | 312 | |
60fbfdfd RP |
313 | while (len > 0) { |
314 | cpysize = min(len, buf->vb.size-pos); | |
4b6ed9fd | 315 | memcpy(&outp[pos], ptr, cpysize); |
60fbfdfd RP |
316 | pos += cpysize; |
317 | ptr += cpysize; | |
318 | len -= cpysize; | |
4b6ed9fd | 319 | if (pos >= buf->vb.size) { |
60fbfdfd | 320 | pos = 0; |
9701dc94 | 321 | /* Announces that a new buffer were filled */ |
60fbfdfd | 322 | buffer_filled(dev, dma_q, buf); |
5f796752 | 323 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
60fbfdfd | 324 | get_next_buf(dma_q, &buf); |
4b6ed9fd | 325 | if (!buf) |
9701dc94 | 326 | break; |
4b6ed9fd SR |
327 | outp = videobuf_to_vmalloc(&(buf->vb)); |
328 | if (!outp) | |
e8a4845d MCC |
329 | return rc; |
330 | pos = 0; | |
9701dc94 MCC |
331 | } |
332 | } | |
333 | ||
60fbfdfd | 334 | dev->isoc_ctl.pos = pos; |
9701dc94 MCC |
335 | return rc; |
336 | } | |
337 | ||
60fbfdfd | 338 | static inline void print_err_status(struct tm6000_core *dev, |
ed0236af | 339 | int packet, int status) |
5f796752 MCC |
340 | { |
341 | char *errmsg = "Unknown"; | |
342 | ||
60fbfdfd | 343 | switch (status) { |
5f796752 MCC |
344 | case -ENOENT: |
345 | errmsg = "unlinked synchronuously"; | |
346 | break; | |
347 | case -ECONNRESET: | |
348 | errmsg = "unlinked asynchronuously"; | |
349 | break; | |
350 | case -ENOSR: | |
351 | errmsg = "Buffer error (overrun)"; | |
352 | break; | |
353 | case -EPIPE: | |
354 | errmsg = "Stalled (device not responding)"; | |
355 | break; | |
356 | case -EOVERFLOW: | |
357 | errmsg = "Babble (bad cable?)"; | |
358 | break; | |
359 | case -EPROTO: | |
360 | errmsg = "Bit-stuff error (bad cable?)"; | |
361 | break; | |
362 | case -EILSEQ: | |
363 | errmsg = "CRC/Timeout (could be anything)"; | |
364 | break; | |
365 | case -ETIME: | |
366 | errmsg = "Device does not respond"; | |
367 | break; | |
368 | } | |
60fbfdfd | 369 | if (packet < 0) { |
5f796752 MCC |
370 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
371 | status, errmsg); | |
372 | } else { | |
ed0236af | 373 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
374 | packet, status, errmsg); |
375 | } | |
376 | } | |
377 | ||
378 | ||
9701dc94 MCC |
379 | /* |
380 | * Controls the isoc copy of each urb packet | |
381 | */ | |
e8a4845d | 382 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
383 | { |
384 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
385 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
386 | int i, len = 0, rc = 1, status; | |
4b6ed9fd | 387 | char *p; |
9701dc94 | 388 | |
4b6ed9fd | 389 | if (urb->status < 0) { |
60fbfdfd | 390 | print_err_status(dev, -1, urb->status); |
5f796752 MCC |
391 | return 0; |
392 | } | |
9701dc94 MCC |
393 | |
394 | for (i = 0; i < urb->number_of_packets; i++) { | |
4b6ed9fd | 395 | status = urb->iso_frame_desc[i].status; |
9701dc94 | 396 | |
60fbfdfd RP |
397 | if (status < 0) { |
398 | print_err_status(dev, i, status); | |
9701dc94 | 399 | continue; |
5f796752 | 400 | } |
9701dc94 | 401 | |
4b6ed9fd | 402 | len = urb->iso_frame_desc[i].actual_length; |
ed0236af | 403 | |
4b6ed9fd SR |
404 | if (len > 0) { |
405 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ed0236af | 406 | if (!urb->iso_frame_desc[i].status) { |
60fbfdfd RP |
407 | if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) { |
408 | rc = copy_multiplexed(p, len, urb); | |
409 | if (rc <= 0) | |
ed0236af MCC |
410 | return rc; |
411 | } else { | |
4b6ed9fd | 412 | copy_streams(p, len, urb); |
ed0236af MCC |
413 | } |
414 | } | |
4b6ed9fd | 415 | } |
9701dc94 | 416 | } |
9701dc94 MCC |
417 | return rc; |
418 | } | |
419 | ||
420 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
421 | * URB control |
422 | * ------------------------------------------------------------------ | |
423 | */ | |
9701dc94 MCC |
424 | |
425 | /* | |
426 | * IRQ callback, called by URB callback | |
427 | */ | |
428 | static void tm6000_irq_callback(struct urb *urb) | |
429 | { | |
9701dc94 | 430 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 431 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 432 | int i; |
9701dc94 | 433 | |
14f09154 TR |
434 | switch (urb->status) { |
435 | case 0: | |
436 | case -ETIMEDOUT: | |
437 | break; | |
438 | ||
439 | case -ECONNRESET: | |
440 | case -ENOENT: | |
441 | case -ESHUTDOWN: | |
721f507b | 442 | return; |
a228618c | 443 | |
14f09154 TR |
444 | default: |
445 | tm6000_err("urb completion error %d.\n", urb->status); | |
446 | break; | |
447 | } | |
448 | ||
e8a4845d MCC |
449 | spin_lock(&dev->slock); |
450 | tm6000_isoc_copy(urb); | |
451 | spin_unlock(&dev->slock); | |
9701dc94 | 452 | |
e8a4845d MCC |
453 | /* Reset urb buffers */ |
454 | for (i = 0; i < urb->number_of_packets; i++) { | |
455 | urb->iso_frame_desc[i].status = 0; | |
456 | urb->iso_frame_desc[i].actual_length = 0; | |
457 | } | |
9701dc94 | 458 | |
c4acf48c MCC |
459 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
460 | if (urb->status) | |
9701dc94 MCC |
461 | tm6000_err("urb resubmit failed (error=%i)\n", |
462 | urb->status); | |
9701dc94 MCC |
463 | } |
464 | ||
16427faf JS |
465 | /* |
466 | * Allocate URB buffers | |
467 | */ | |
468 | static int tm6000_alloc_urb_buffers(struct tm6000_core *dev) | |
469 | { | |
470 | int num_bufs = TM6000_NUM_URB_BUF; | |
471 | int i; | |
472 | ||
473 | if (dev->urb_buffer != NULL) | |
474 | return 0; | |
475 | ||
476 | dev->urb_buffer = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
477 | if (!dev->urb_buffer) { | |
478 | tm6000_err("cannot allocate memory for urb buffers\n"); | |
479 | return -ENOMEM; | |
480 | } | |
481 | ||
482 | dev->urb_dma = kmalloc(sizeof(dma_addr_t *)*num_bufs, GFP_KERNEL); | |
483 | if (!dev->urb_dma) { | |
484 | tm6000_err("cannot allocate memory for urb dma pointers\n"); | |
485 | return -ENOMEM; | |
486 | } | |
487 | ||
488 | for (i = 0; i < num_bufs; i++) { | |
489 | dev->urb_buffer[i] = usb_alloc_coherent( | |
490 | dev->udev, dev->urb_size, | |
491 | GFP_KERNEL, &dev->urb_dma[i]); | |
492 | if (!dev->urb_buffer[i]) { | |
493 | tm6000_err("unable to allocate %i bytes for transfer buffer %i\n", | |
494 | dev->urb_size, i); | |
495 | return -ENOMEM; | |
496 | } | |
497 | memset(dev->urb_buffer[i], 0, dev->urb_size); | |
498 | } | |
499 | ||
500 | return 0; | |
501 | } | |
502 | ||
503 | /* | |
504 | * Free URB buffers | |
505 | */ | |
506 | static int tm6000_free_urb_buffers(struct tm6000_core *dev) | |
507 | { | |
508 | int i; | |
509 | ||
510 | if (dev->urb_buffer == NULL) | |
511 | return 0; | |
512 | ||
513 | for (i = 0; i < TM6000_NUM_URB_BUF; i++) { | |
514 | if (dev->urb_buffer[i]) { | |
515 | usb_free_coherent(dev->udev, | |
516 | dev->urb_size, | |
517 | dev->urb_buffer[i], | |
518 | dev->urb_dma[i]); | |
519 | dev->urb_buffer[i] = NULL; | |
520 | } | |
521 | } | |
522 | kfree(dev->urb_buffer); | |
523 | kfree(dev->urb_dma); | |
524 | dev->urb_buffer = NULL; | |
525 | dev->urb_dma = NULL; | |
526 | ||
527 | return 0; | |
528 | } | |
529 | ||
9701dc94 MCC |
530 | /* |
531 | * Stop and Deallocate URBs | |
532 | */ | |
533 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
534 | { | |
535 | struct urb *urb; | |
536 | int i; | |
537 | ||
ee1fc07c | 538 | dev->isoc_ctl.buf = NULL; |
9701dc94 | 539 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
60fbfdfd | 540 | urb = dev->isoc_ctl.urb[i]; |
9701dc94 MCC |
541 | if (urb) { |
542 | usb_kill_urb(urb); | |
543 | usb_unlink_urb(urb); | |
9701dc94 MCC |
544 | usb_free_urb(urb); |
545 | dev->isoc_ctl.urb[i] = NULL; | |
546 | } | |
547 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
548 | } | |
549 | ||
16427faf JS |
550 | if (!keep_urb) |
551 | tm6000_free_urb_buffers(dev); | |
552 | ||
60fbfdfd RP |
553 | kfree(dev->isoc_ctl.urb); |
554 | kfree(dev->isoc_ctl.transfer_buffer); | |
c144c037 | 555 | |
60fbfdfd RP |
556 | dev->isoc_ctl.urb = NULL; |
557 | dev->isoc_ctl.transfer_buffer = NULL; | |
c144c037 | 558 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
559 | } |
560 | ||
9701dc94 | 561 | /* |
16427faf | 562 | * Assign URBs and start IRQ |
9701dc94 | 563 | */ |
8aff8ba9 | 564 | static int tm6000_prepare_isoc(struct tm6000_core *dev) |
9701dc94 MCC |
565 | { |
566 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
16427faf JS |
567 | int i, j, sb_size, pipe, size, max_packets; |
568 | int num_bufs = TM6000_NUM_URB_BUF; | |
9701dc94 | 569 | struct urb *urb; |
204193d9 | 570 | |
9701dc94 MCC |
571 | /* De-allocates all pending stuff */ |
572 | tm6000_uninit_isoc(dev); | |
641d2116 DB |
573 | /* Stop interrupt USB pipe */ |
574 | tm6000_ir_int_stop(dev); | |
9701dc94 | 575 | |
6ae635c4 MCC |
576 | usb_set_interface(dev->udev, |
577 | dev->isoc_in.bInterfaceNumber, | |
578 | dev->isoc_in.bAlternateSetting); | |
579 | ||
641d2116 DB |
580 | /* Start interrupt USB pipe */ |
581 | tm6000_ir_int_start(dev); | |
582 | ||
ee1fc07c | 583 | pipe = usb_rcvisocpipe(dev->udev, |
6ae635c4 | 584 | dev->isoc_in.endp->desc.bEndpointAddress & |
ee1fc07c MCC |
585 | USB_ENDPOINT_NUMBER_MASK); |
586 | ||
587 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
588 | ||
6ae635c4 MCC |
589 | if (size > dev->isoc_in.maxsize) |
590 | size = dev->isoc_in.maxsize; | |
ee1fc07c MCC |
591 | |
592 | dev->isoc_ctl.max_pkt_size = size; | |
593 | ||
8aff8ba9 | 594 | max_packets = TM6000_MAX_ISO_PACKETS; |
ee1fc07c | 595 | sb_size = max_packets * size; |
16427faf | 596 | dev->urb_size = sb_size; |
ee1fc07c MCC |
597 | |
598 | dev->isoc_ctl.num_bufs = num_bufs; | |
599 | ||
c144c037 | 600 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
601 | if (!dev->isoc_ctl.urb) { |
602 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
603 | return -ENOMEM; | |
604 | } | |
605 | ||
ee1fc07c | 606 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 607 | GFP_KERNEL); |
f8960ee7 | 608 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
609 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
610 | kfree(dev->isoc_ctl.urb); | |
611 | return -ENOMEM; | |
612 | } | |
613 | ||
68616504 | 614 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets (%d bytes) of %d bytes each to handle %u size\n", |
ee1fc07c | 615 | max_packets, num_bufs, sb_size, |
6ae635c4 | 616 | dev->isoc_in.maxsize, size); |
9701dc94 | 617 | |
16427faf | 618 | |
485bdbb6 | 619 | if (tm6000_alloc_urb_buffers(dev) < 0) { |
16427faf JS |
620 | tm6000_err("cannot allocate memory for urb buffers\n"); |
621 | ||
622 | /* call free, as some buffers might have been allocated */ | |
623 | tm6000_free_urb_buffers(dev); | |
624 | kfree(dev->isoc_ctl.urb); | |
625 | kfree(dev->isoc_ctl.transfer_buffer); | |
626 | return -ENOMEM; | |
627 | } | |
628 | ||
9701dc94 MCC |
629 | /* allocate urbs and transfer buffers */ |
630 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
631 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
632 | if (!urb) { | |
9701dc94 | 633 | tm6000_uninit_isoc(dev); |
f81a18d8 | 634 | tm6000_free_urb_buffers(dev); |
9701dc94 MCC |
635 | return -ENOMEM; |
636 | } | |
637 | dev->isoc_ctl.urb[i] = urb; | |
638 | ||
16427faf JS |
639 | urb->transfer_dma = dev->urb_dma[i]; |
640 | dev->isoc_ctl.transfer_buffer[i] = dev->urb_buffer[i]; | |
9701dc94 | 641 | |
ee1fc07c MCC |
642 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
643 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
644 | tm6000_irq_callback, dma_q); | |
6ae635c4 | 645 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
9701dc94 | 646 | urb->number_of_packets = max_packets; |
ee1fc07c | 647 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 648 | |
9701dc94 | 649 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
650 | urb->iso_frame_desc[j].offset = size * j; |
651 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
652 | } |
653 | } | |
654 | ||
655 | return 0; | |
656 | } | |
657 | ||
60fbfdfd | 658 | static int tm6000_start_thread(struct tm6000_core *dev) |
9701dc94 | 659 | { |
c144c037 MCC |
660 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
661 | int i; | |
9701dc94 | 662 | |
60fbfdfd RP |
663 | dma_q->frame = 0; |
664 | dma_q->ini_jiffies = jiffies; | |
9701dc94 MCC |
665 | |
666 | init_waitqueue_head(&dma_q->wq); | |
667 | ||
668 | /* submit urbs and enables IRQ */ | |
669 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 670 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
671 | if (rc) { |
672 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
673 | rc); | |
674 | tm6000_uninit_isoc(dev); | |
675 | return rc; | |
676 | } | |
677 | } | |
678 | ||
9701dc94 MCC |
679 | return 0; |
680 | } | |
681 | ||
9701dc94 | 682 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
683 | * Videobuf operations |
684 | * ------------------------------------------------------------------ | |
685 | */ | |
95a83824 | 686 | |
9701dc94 MCC |
687 | static int |
688 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
689 | { | |
690 | struct tm6000_fh *fh = vq->priv_data; | |
691 | ||
692 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
693 | if (0 == *count) | |
95a83824 ML |
694 | *count = TM6000_DEF_BUF; |
695 | ||
60fbfdfd RP |
696 | if (*count < TM6000_MIN_BUF) |
697 | *count = TM6000_MIN_BUF; | |
95a83824 | 698 | |
9701dc94 MCC |
699 | while (*size * *count > vid_limit * 1024 * 1024) |
700 | (*count)--; | |
95a83824 | 701 | |
9701dc94 MCC |
702 | return 0; |
703 | } | |
704 | ||
705 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
706 | { | |
721f507b MCC |
707 | struct tm6000_fh *fh = vq->priv_data; |
708 | struct tm6000_core *dev = fh->dev; | |
709 | unsigned long flags; | |
710 | ||
09f2082e | 711 | BUG_ON(in_interrupt()); |
9701dc94 | 712 | |
721f507b MCC |
713 | /* We used to wait for the buffer to finish here, but this didn't work |
714 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
715 | videobuf_queue_cancel marked it as finished for us. | |
716 | (Also, it could wedge forever if the hardware was misconfigured.) | |
717 | ||
718 | This should be safe; by the time we get here, the buffer isn't | |
719 | queued anymore. If we ever start marking the buffers as | |
720 | VIDEOBUF_ACTIVE, it won't be, though. | |
721 | */ | |
722 | spin_lock_irqsave(&dev->slock, flags); | |
723 | if (dev->isoc_ctl.buf == buf) | |
724 | dev->isoc_ctl.buf = NULL; | |
725 | spin_unlock_irqrestore(&dev->slock, flags); | |
726 | ||
9701dc94 | 727 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 728 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
729 | } |
730 | ||
731 | static int | |
732 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
733 | enum v4l2_field field) | |
734 | { | |
735 | struct tm6000_fh *fh = vq->priv_data; | |
60fbfdfd | 736 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 737 | struct tm6000_core *dev = fh->dev; |
88e834a8 | 738 | int rc = 0; |
9701dc94 MCC |
739 | |
740 | BUG_ON(NULL == fh->fmt); | |
741 | ||
9701dc94 MCC |
742 | |
743 | /* FIXME: It assumes depth=2 */ | |
744 | /* The only currently supported format is 16 bits/pixel */ | |
745 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
746 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
747 | return -EINVAL; | |
748 | ||
749 | if (buf->fmt != fh->fmt || | |
750 | buf->vb.width != fh->width || | |
751 | buf->vb.height != fh->height || | |
752 | buf->vb.field != field) { | |
753 | buf->fmt = fh->fmt; | |
754 | buf->vb.width = fh->width; | |
755 | buf->vb.height = fh->height; | |
756 | buf->vb.field = field; | |
47878f16 | 757 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
758 | } |
759 | ||
47878f16 | 760 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ed7c221c CM |
761 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
762 | if (rc != 0) | |
9701dc94 | 763 | goto fail; |
9701dc94 MCC |
764 | } |
765 | ||
88e834a8 | 766 | if (!dev->isoc_ctl.num_bufs) { |
8aff8ba9 | 767 | rc = tm6000_prepare_isoc(dev); |
c144c037 MCC |
768 | if (rc < 0) |
769 | goto fail; | |
ee1fc07c | 770 | |
c144c037 | 771 | rc = tm6000_start_thread(dev); |
ee1fc07c | 772 | if (rc < 0) |
9701dc94 | 773 | goto fail; |
c144c037 | 774 | |
9701dc94 MCC |
775 | } |
776 | ||
47878f16 | 777 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
778 | return 0; |
779 | ||
780 | fail: | |
ee1fc07c | 781 | free_buffer(vq, buf); |
9701dc94 MCC |
782 | return rc; |
783 | } | |
784 | ||
785 | static void | |
786 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
787 | { | |
60fbfdfd | 788 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 MCC |
789 | struct tm6000_fh *fh = vq->priv_data; |
790 | struct tm6000_core *dev = fh->dev; | |
791 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
792 | |
793 | buf->vb.state = VIDEOBUF_QUEUED; | |
794 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
795 | } |
796 | ||
797 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
798 | { | |
60fbfdfd | 799 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 800 | |
60fbfdfd | 801 | free_buffer(vq, buf); |
9701dc94 MCC |
802 | } |
803 | ||
63f2ec67 | 804 | static const struct videobuf_queue_ops tm6000_video_qops = { |
9701dc94 MCC |
805 | .buf_setup = buffer_setup, |
806 | .buf_prepare = buffer_prepare, | |
807 | .buf_queue = buffer_queue, | |
808 | .buf_release = buffer_release, | |
809 | }; | |
810 | ||
811 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
812 | * IOCTL handling |
813 | * ------------------------------------------------------------------ | |
814 | */ | |
9701dc94 | 815 | |
9efd85df | 816 | static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh) |
9701dc94 | 817 | { |
9efd85df MCC |
818 | /* Is the current fh handling it? if so, that's OK */ |
819 | if (dev->resources == fh && dev->is_res_read) | |
820 | return true; | |
821 | ||
822 | return false; | |
823 | } | |
824 | ||
825 | static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh) | |
826 | { | |
827 | /* Is the current fh handling it? if so, that's OK */ | |
828 | if (dev->resources == fh) | |
829 | return true; | |
830 | ||
831 | return false; | |
9701dc94 MCC |
832 | } |
833 | ||
9efd85df MCC |
834 | static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh, |
835 | bool is_res_read) | |
9701dc94 | 836 | { |
9efd85df MCC |
837 | /* Is the current fh handling it? if so, that's OK */ |
838 | if (dev->resources == fh && dev->is_res_read == is_res_read) | |
839 | return true; | |
840 | ||
841 | /* is it free? */ | |
842 | if (dev->resources) | |
843 | return false; | |
844 | ||
845 | /* grab it */ | |
846 | dev->resources = fh; | |
847 | dev->is_res_read = is_res_read; | |
848 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
849 | return true; | |
9701dc94 MCC |
850 | } |
851 | ||
852 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
853 | { | |
9efd85df MCC |
854 | /* Is the current fh handling it? if so, that's OK */ |
855 | if (dev->resources != fh) | |
856 | return; | |
857 | ||
858 | dev->resources = NULL; | |
9701dc94 | 859 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); |
9701dc94 MCC |
860 | } |
861 | ||
862 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
863 | * IOCTL vidioc handling |
864 | * ------------------------------------------------------------------ | |
865 | */ | |
866 | static int vidioc_querycap(struct file *file, void *priv, | |
9701dc94 MCC |
867 | struct v4l2_capability *cap) |
868 | { | |
886a3c0b | 869 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
2c2a0536 | 870 | struct video_device *vdev = video_devdata(file); |
9701dc94 MCC |
871 | |
872 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
60fbfdfd | 873 | strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
2c2a0536 | 874 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
886a3c0b | 875 | if (dev->tuner_type != TUNER_ABSENT) |
2c2a0536 HV |
876 | cap->device_caps |= V4L2_CAP_TUNER; |
877 | if (vdev->vfl_type == VFL_TYPE_GRABBER) | |
878 | cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE | | |
879 | V4L2_CAP_STREAMING | | |
880 | V4L2_CAP_READWRITE; | |
881 | else | |
882 | cap->device_caps |= V4L2_CAP_RADIO; | |
883 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | | |
884 | V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE; | |
886a3c0b | 885 | |
9701dc94 MCC |
886 | return 0; |
887 | } | |
888 | ||
60fbfdfd | 889 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
890 | struct v4l2_fmtdesc *f) |
891 | { | |
2c2a0536 | 892 | if (f->index >= ARRAY_SIZE(format)) |
9701dc94 MCC |
893 | return -EINVAL; |
894 | ||
60fbfdfd | 895 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
9701dc94 MCC |
896 | f->pixelformat = format[f->index].fourcc; |
897 | return 0; | |
898 | } | |
899 | ||
60fbfdfd | 900 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
901 | struct v4l2_format *f) |
902 | { | |
60fbfdfd | 903 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
904 | |
905 | f->fmt.pix.width = fh->width; | |
906 | f->fmt.pix.height = fh->height; | |
907 | f->fmt.pix.field = fh->vb_vidq.field; | |
908 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
e618578d | 909 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
9701dc94 MCC |
910 | f->fmt.pix.bytesperline = |
911 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
912 | f->fmt.pix.sizeimage = | |
913 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
914 | ||
60fbfdfd | 915 | return 0; |
9701dc94 MCC |
916 | } |
917 | ||
60fbfdfd | 918 | static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc) |
9701dc94 MCC |
919 | { |
920 | unsigned int i; | |
921 | ||
922 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
923 | if (format[i].fourcc == fourcc) | |
924 | return format+i; | |
925 | return NULL; | |
926 | } | |
927 | ||
60fbfdfd | 928 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
929 | struct v4l2_format *f) |
930 | { | |
931 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
932 | struct tm6000_fmt *fmt; | |
933 | enum v4l2_field field; | |
934 | ||
935 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
936 | if (NULL == fmt) { | |
68616504 MCC |
937 | dprintk(dev, 2, "Fourcc format (0x%08x) invalid.\n", |
938 | f->fmt.pix.pixelformat); | |
9701dc94 MCC |
939 | return -EINVAL; |
940 | } | |
941 | ||
942 | field = f->fmt.pix.field; | |
943 | ||
ed57256f | 944 | field = V4L2_FIELD_INTERLACED; |
9701dc94 | 945 | |
60fbfdfd | 946 | tm6000_get_std_res(dev); |
9701dc94 | 947 | |
4475c044 MCC |
948 | f->fmt.pix.width = dev->width; |
949 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
950 | |
951 | f->fmt.pix.width &= ~0x01; | |
952 | ||
953 | f->fmt.pix.field = field; | |
954 | ||
955 | f->fmt.pix.bytesperline = | |
956 | (f->fmt.pix.width * fmt->depth) >> 3; | |
957 | f->fmt.pix.sizeimage = | |
958 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
e618578d | 959 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
9701dc94 MCC |
960 | |
961 | return 0; | |
962 | } | |
963 | ||
964 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
60fbfdfd | 965 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
966 | struct v4l2_format *f) |
967 | { | |
60fbfdfd | 968 | struct tm6000_fh *fh = priv; |
9701dc94 | 969 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 970 | int ret = vidioc_try_fmt_vid_cap(file, fh, f); |
9701dc94 | 971 | if (ret < 0) |
60fbfdfd | 972 | return ret; |
9701dc94 MCC |
973 | |
974 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
975 | fh->width = f->fmt.pix.width; | |
976 | fh->height = f->fmt.pix.height; | |
977 | fh->vb_vidq.field = f->fmt.pix.field; | |
978 | fh->type = f->type; | |
979 | ||
980 | dev->fourcc = f->fmt.pix.pixelformat; | |
981 | ||
982 | tm6000_set_fourcc_format(dev); | |
983 | ||
60fbfdfd | 984 | return 0; |
9701dc94 MCC |
985 | } |
986 | ||
60fbfdfd | 987 | static int vidioc_reqbufs(struct file *file, void *priv, |
9701dc94 MCC |
988 | struct v4l2_requestbuffers *p) |
989 | { | |
60fbfdfd | 990 | struct tm6000_fh *fh = priv; |
9701dc94 | 991 | |
60fbfdfd | 992 | return videobuf_reqbufs(&fh->vb_vidq, p); |
9701dc94 MCC |
993 | } |
994 | ||
60fbfdfd | 995 | static int vidioc_querybuf(struct file *file, void *priv, |
9701dc94 MCC |
996 | struct v4l2_buffer *p) |
997 | { | |
60fbfdfd | 998 | struct tm6000_fh *fh = priv; |
9701dc94 | 999 | |
60fbfdfd | 1000 | return videobuf_querybuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1001 | } |
1002 | ||
60fbfdfd | 1003 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1004 | { |
60fbfdfd | 1005 | struct tm6000_fh *fh = priv; |
9701dc94 | 1006 | |
60fbfdfd | 1007 | return videobuf_qbuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1008 | } |
1009 | ||
60fbfdfd | 1010 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1011 | { |
60fbfdfd | 1012 | struct tm6000_fh *fh = priv; |
9701dc94 | 1013 | |
60fbfdfd RP |
1014 | return videobuf_dqbuf(&fh->vb_vidq, p, |
1015 | file->f_flags & O_NONBLOCK); | |
9701dc94 MCC |
1016 | } |
1017 | ||
9701dc94 MCC |
1018 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
1019 | { | |
3d1a51db TR |
1020 | struct tm6000_fh *fh = priv; |
1021 | struct tm6000_core *dev = fh->dev; | |
9701dc94 MCC |
1022 | |
1023 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1024 | return -EINVAL; | |
1025 | if (i != fh->type) | |
1026 | return -EINVAL; | |
1027 | ||
9efd85df | 1028 | if (!res_get(dev, fh, false)) |
9701dc94 | 1029 | return -EBUSY; |
ed7c221c | 1030 | return videobuf_streamon(&fh->vb_vidq); |
9701dc94 MCC |
1031 | } |
1032 | ||
1033 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1034 | { | |
3d1a51db TR |
1035 | struct tm6000_fh *fh = priv; |
1036 | struct tm6000_core *dev = fh->dev; | |
9701dc94 MCC |
1037 | |
1038 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1039 | return -EINVAL; | |
3d1a51db | 1040 | |
9701dc94 MCC |
1041 | if (i != fh->type) |
1042 | return -EINVAL; | |
1043 | ||
1044 | videobuf_streamoff(&fh->vb_vidq); | |
ed7c221c | 1045 | res_free(dev, fh); |
9701dc94 | 1046 | |
ed7c221c | 1047 | return 0; |
9701dc94 MCC |
1048 | } |
1049 | ||
314527ac | 1050 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
9701dc94 | 1051 | { |
ed7c221c | 1052 | int rc = 0; |
3d1a51db | 1053 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1054 | struct tm6000_core *dev = fh->dev; |
1055 | ||
314527ac | 1056 | dev->norm = norm; |
709944ea | 1057 | rc = tm6000_init_analog_mode(dev); |
71e7cfae MCC |
1058 | |
1059 | fh->width = dev->width; | |
1060 | fh->height = dev->height; | |
1061 | ||
ed7c221c | 1062 | if (rc < 0) |
9701dc94 MCC |
1063 | return rc; |
1064 | ||
8774bed9 | 1065 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, dev->norm); |
9701dc94 MCC |
1066 | |
1067 | return 0; | |
1068 | } | |
1069 | ||
804be2d4 HV |
1070 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) |
1071 | { | |
1072 | struct tm6000_fh *fh = priv; | |
1073 | struct tm6000_core *dev = fh->dev; | |
1074 | ||
1075 | *norm = dev->norm; | |
1076 | return 0; | |
1077 | } | |
1078 | ||
ed7c221c | 1079 | static const char *iname[] = { |
b8f7bd87 SR |
1080 | [TM6000_INPUT_TV] = "Television", |
1081 | [TM6000_INPUT_COMPOSITE1] = "Composite 1", | |
1082 | [TM6000_INPUT_COMPOSITE2] = "Composite 2", | |
1083 | [TM6000_INPUT_SVIDEO] = "S-Video", | |
1084 | }; | |
1085 | ||
60fbfdfd | 1086 | static int vidioc_enum_input(struct file *file, void *priv, |
b8f7bd87 | 1087 | struct v4l2_input *i) |
9701dc94 | 1088 | { |
2aefbc1a DB |
1089 | struct tm6000_fh *fh = priv; |
1090 | struct tm6000_core *dev = fh->dev; | |
b8f7bd87 | 1091 | unsigned int n; |
2aefbc1a | 1092 | |
b8f7bd87 SR |
1093 | n = i->index; |
1094 | if (n >= 3) | |
9701dc94 | 1095 | return -EINVAL; |
b8f7bd87 SR |
1096 | |
1097 | if (!dev->vinput[n].type) | |
1098 | return -EINVAL; | |
1099 | ||
1100 | i->index = n; | |
1101 | ||
1102 | if (dev->vinput[n].type == TM6000_INPUT_TV) | |
1103 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1104 | else | |
1105 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1106 | ||
1107 | strcpy(i->name, iname[dev->vinput[n].type]); | |
1108 | ||
1109 | i->std = TM6000_STD; | |
9701dc94 MCC |
1110 | |
1111 | return 0; | |
1112 | } | |
1113 | ||
60fbfdfd | 1114 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
9701dc94 | 1115 | { |
60fbfdfd | 1116 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1117 | struct tm6000_core *dev = fh->dev; |
1118 | ||
60fbfdfd | 1119 | *i = dev->input; |
9701dc94 MCC |
1120 | |
1121 | return 0; | |
1122 | } | |
b8f7bd87 | 1123 | |
60fbfdfd | 1124 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
9701dc94 | 1125 | { |
60fbfdfd | 1126 | struct tm6000_fh *fh = priv; |
9701dc94 | 1127 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1128 | int rc = 0; |
9701dc94 | 1129 | |
b8f7bd87 SR |
1130 | if (i >= 3) |
1131 | return -EINVAL; | |
1132 | if (!dev->vinput[i].type) | |
9701dc94 | 1133 | return -EINVAL; |
9701dc94 | 1134 | |
b8f7bd87 SR |
1135 | dev->input = i; |
1136 | ||
804be2d4 | 1137 | rc = vidioc_s_std(file, priv, dev->norm); |
9701dc94 | 1138 | |
60fbfdfd | 1139 | return rc; |
9701dc94 MCC |
1140 | } |
1141 | ||
886a3c0b | 1142 | /* --- controls ---------------------------------------------- */ |
9701dc94 | 1143 | |
9f747359 | 1144 | static int tm6000_s_ctrl(struct v4l2_ctrl *ctrl) |
9701dc94 | 1145 | { |
9f747359 HV |
1146 | struct tm6000_core *dev = container_of(ctrl->handler, struct tm6000_core, ctrl_handler); |
1147 | u8 val = ctrl->val; | |
9701dc94 | 1148 | |
9701dc94 MCC |
1149 | switch (ctrl->id) { |
1150 | case V4L2_CID_CONTRAST: | |
9f747359 HV |
1151 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
1152 | return 0; | |
9701dc94 | 1153 | case V4L2_CID_BRIGHTNESS: |
9f747359 | 1154 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1155 | return 0; |
1156 | case V4L2_CID_SATURATION: | |
9f747359 | 1157 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1158 | return 0; |
1159 | case V4L2_CID_HUE: | |
9f747359 | 1160 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
8aff8ba9 | 1161 | return 0; |
9701dc94 | 1162 | } |
9f747359 HV |
1163 | return -EINVAL; |
1164 | } | |
9701dc94 | 1165 | |
9f747359 HV |
1166 | static const struct v4l2_ctrl_ops tm6000_ctrl_ops = { |
1167 | .s_ctrl = tm6000_s_ctrl, | |
1168 | }; | |
9701dc94 | 1169 | |
9f747359 | 1170 | static int tm6000_radio_s_ctrl(struct v4l2_ctrl *ctrl) |
9701dc94 | 1171 | { |
9f747359 HV |
1172 | struct tm6000_core *dev = container_of(ctrl->handler, |
1173 | struct tm6000_core, radio_ctrl_handler); | |
1174 | u8 val = ctrl->val; | |
9701dc94 MCC |
1175 | |
1176 | switch (ctrl->id) { | |
8aff8ba9 DB |
1177 | case V4L2_CID_AUDIO_MUTE: |
1178 | dev->ctl_mute = val; | |
1179 | tm6000_tvaudio_set_mute(dev, val); | |
1180 | return 0; | |
1181 | case V4L2_CID_AUDIO_VOLUME: | |
1182 | dev->ctl_volume = val; | |
1183 | tm6000_set_volume(dev, val); | |
1184 | return 0; | |
9701dc94 MCC |
1185 | } |
1186 | return -EINVAL; | |
1187 | } | |
1188 | ||
9f747359 HV |
1189 | static const struct v4l2_ctrl_ops tm6000_radio_ctrl_ops = { |
1190 | .s_ctrl = tm6000_radio_s_ctrl, | |
1191 | }; | |
1192 | ||
60fbfdfd | 1193 | static int vidioc_g_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1194 | struct v4l2_tuner *t) |
1195 | { | |
60fbfdfd | 1196 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1197 | struct tm6000_core *dev = fh->dev; |
1198 | ||
2c2a0536 HV |
1199 | if (UNSET == dev->tuner_type) |
1200 | return -ENOTTY; | |
9701dc94 MCC |
1201 | if (0 != t->index) |
1202 | return -EINVAL; | |
1203 | ||
1204 | strcpy(t->name, "Television"); | |
1205 | t->type = V4L2_TUNER_ANALOG_TV; | |
2c2a0536 | 1206 | t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO; |
9701dc94 | 1207 | t->rangehigh = 0xffffffffUL; |
886a3c0b SR |
1208 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
1209 | ||
1210 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1211 | ||
1212 | t->audmode = dev->amode; | |
9701dc94 MCC |
1213 | |
1214 | return 0; | |
1215 | } | |
1216 | ||
60fbfdfd | 1217 | static int vidioc_s_tuner(struct file *file, void *priv, |
2f73c7c5 | 1218 | const struct v4l2_tuner *t) |
9701dc94 | 1219 | { |
60fbfdfd | 1220 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1221 | struct tm6000_core *dev = fh->dev; |
1222 | ||
1223 | if (UNSET == dev->tuner_type) | |
2c2a0536 | 1224 | return -ENOTTY; |
9701dc94 MCC |
1225 | if (0 != t->index) |
1226 | return -EINVAL; | |
1227 | ||
2c2a0536 HV |
1228 | if (t->audmode > V4L2_TUNER_MODE_STEREO) |
1229 | dev->amode = V4L2_TUNER_MODE_STEREO; | |
1230 | else | |
1231 | dev->amode = t->audmode; | |
886a3c0b SR |
1232 | dprintk(dev, 3, "audio mode: %x\n", t->audmode); |
1233 | ||
1234 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); | |
0f6040e8 | 1235 | |
9701dc94 MCC |
1236 | return 0; |
1237 | } | |
1238 | ||
60fbfdfd | 1239 | static int vidioc_g_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1240 | struct v4l2_frequency *f) |
1241 | { | |
60fbfdfd | 1242 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1243 | struct tm6000_core *dev = fh->dev; |
1244 | ||
2c2a0536 HV |
1245 | if (UNSET == dev->tuner_type) |
1246 | return -ENOTTY; | |
1247 | if (f->tuner) | |
9701dc94 MCC |
1248 | return -EINVAL; |
1249 | ||
9701dc94 MCC |
1250 | f->frequency = dev->freq; |
1251 | ||
427f7fac | 1252 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1253 | |
1254 | return 0; | |
1255 | } | |
1256 | ||
60fbfdfd | 1257 | static int vidioc_s_frequency(struct file *file, void *priv, |
b530a447 | 1258 | const struct v4l2_frequency *f) |
9701dc94 | 1259 | { |
60fbfdfd | 1260 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1261 | struct tm6000_core *dev = fh->dev; |
1262 | ||
2c2a0536 HV |
1263 | if (UNSET == dev->tuner_type) |
1264 | return -ENOTTY; | |
1265 | if (f->tuner != 0) | |
8aff8ba9 | 1266 | return -EINVAL; |
9701dc94 | 1267 | |
9701dc94 | 1268 | dev->freq = f->frequency; |
64d339d4 | 1269 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1270 | |
1271 | return 0; | |
1272 | } | |
1273 | ||
8aff8ba9 DB |
1274 | static int radio_g_tuner(struct file *file, void *priv, |
1275 | struct v4l2_tuner *t) | |
1276 | { | |
1277 | struct tm6000_fh *fh = file->private_data; | |
1278 | struct tm6000_core *dev = fh->dev; | |
1279 | ||
1280 | if (0 != t->index) | |
1281 | return -EINVAL; | |
1282 | ||
1283 | memset(t, 0, sizeof(*t)); | |
1284 | strcpy(t->name, "Radio"); | |
1285 | t->type = V4L2_TUNER_RADIO; | |
2c2a0536 | 1286 | t->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; |
886a3c0b | 1287 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
2c2a0536 | 1288 | t->audmode = V4L2_TUNER_MODE_STEREO; |
8aff8ba9 DB |
1289 | |
1290 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1291 | ||
8aff8ba9 DB |
1292 | return 0; |
1293 | } | |
1294 | ||
1295 | static int radio_s_tuner(struct file *file, void *priv, | |
2f73c7c5 | 1296 | const struct v4l2_tuner *t) |
8aff8ba9 DB |
1297 | { |
1298 | struct tm6000_fh *fh = file->private_data; | |
1299 | struct tm6000_core *dev = fh->dev; | |
1300 | ||
1301 | if (0 != t->index) | |
1302 | return -EINVAL; | |
8aff8ba9 | 1303 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
8aff8ba9 DB |
1304 | return 0; |
1305 | } | |
1306 | ||
9701dc94 MCC |
1307 | /* ------------------------------------------------------------------ |
1308 | File operations for the device | |
1309 | ------------------------------------------------------------------*/ | |
1310 | ||
14a09dac | 1311 | static int __tm6000_open(struct file *file) |
9701dc94 | 1312 | { |
0a34df53 MCC |
1313 | struct video_device *vdev = video_devdata(file); |
1314 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 | 1315 | struct tm6000_fh *fh; |
e8d04167 | 1316 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
9f747359 | 1317 | int rc; |
8aff8ba9 | 1318 | int radio = 0; |
9701dc94 | 1319 | |
0a34df53 MCC |
1320 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1321 | video_device_node_name(vdev)); | |
9701dc94 | 1322 | |
8aff8ba9 DB |
1323 | switch (vdev->vfl_type) { |
1324 | case VFL_TYPE_GRABBER: | |
1325 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1326 | break; | |
1327 | case VFL_TYPE_VBI: | |
1328 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1329 | break; | |
1330 | case VFL_TYPE_RADIO: | |
1331 | radio = 1; | |
1332 | break; | |
1333 | } | |
9701dc94 MCC |
1334 | |
1335 | /* If more than one user, mutex should be added */ | |
1336 | dev->users++; | |
1337 | ||
0a34df53 MCC |
1338 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1339 | video_device_node_name(vdev), v4l2_type_names[type], | |
1340 | dev->users); | |
9701dc94 MCC |
1341 | |
1342 | /* allocate + initialize per filehandle data */ | |
60fbfdfd | 1343 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
9701dc94 MCC |
1344 | if (NULL == fh) { |
1345 | dev->users--; | |
1346 | return -ENOMEM; | |
1347 | } | |
1348 | ||
770056c4 | 1349 | v4l2_fh_init(&fh->fh, vdev); |
9701dc94 MCC |
1350 | file->private_data = fh; |
1351 | fh->dev = dev; | |
8aff8ba9 DB |
1352 | fh->radio = radio; |
1353 | dev->radio = radio; | |
1354 | fh->type = type; | |
9701dc94 MCC |
1355 | dev->fourcc = format[0].fourcc; |
1356 | ||
1357 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 | 1358 | |
ed7c221c | 1359 | tm6000_get_std_res(dev); |
4475c044 | 1360 | |
3d1a51db TR |
1361 | fh->width = dev->width; |
1362 | fh->height = dev->height; | |
9701dc94 | 1363 | |
68616504 | 1364 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, dev->vidq=0x%08lx\n", |
3d1a51db TR |
1365 | (unsigned long)fh, (unsigned long)dev, |
1366 | (unsigned long)&dev->vidq); | |
68616504 MCC |
1367 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty queued=%d\n", |
1368 | list_empty(&dev->vidq.queued)); | |
1369 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty active=%d\n", | |
1370 | list_empty(&dev->vidq.active)); | |
9701dc94 MCC |
1371 | |
1372 | /* initialize hardware on analog mode */ | |
589851d5 | 1373 | rc = tm6000_init_analog_mode(dev); |
1e071039 SKS |
1374 | if (rc < 0) { |
1375 | v4l2_fh_exit(&fh->fh); | |
1376 | kfree(fh); | |
589851d5 | 1377 | return rc; |
1e071039 | 1378 | } |
9701dc94 | 1379 | |
9f747359 | 1380 | dev->mode = TM6000_MODE_ANALOG; |
9701dc94 | 1381 | |
aa4a583d TR |
1382 | if (!fh->radio) { |
1383 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1384 | NULL, &dev->slock, | |
1385 | fh->type, | |
1386 | V4L2_FIELD_INTERLACED, | |
1387 | sizeof(struct tm6000_buffer), fh, &dev->lock); | |
1388 | } else { | |
8aff8ba9 | 1389 | dprintk(dev, V4L2_DEBUG_OPEN, "video_open: setting radio device\n"); |
0f6040e8 | 1390 | tm6000_set_audio_rinput(dev); |
8aff8ba9 DB |
1391 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); |
1392 | tm6000_prepare_isoc(dev); | |
1393 | tm6000_start_thread(dev); | |
1394 | } | |
770056c4 | 1395 | v4l2_fh_add(&fh->fh); |
8aff8ba9 | 1396 | |
9701dc94 MCC |
1397 | return 0; |
1398 | } | |
1399 | ||
14a09dac HV |
1400 | static int tm6000_open(struct file *file) |
1401 | { | |
1402 | struct video_device *vdev = video_devdata(file); | |
1403 | int res; | |
1404 | ||
1405 | mutex_lock(vdev->lock); | |
1406 | res = __tm6000_open(file); | |
1407 | mutex_unlock(vdev->lock); | |
1408 | return res; | |
1409 | } | |
1410 | ||
9701dc94 MCC |
1411 | static ssize_t |
1412 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1413 | { | |
14a09dac HV |
1414 | struct tm6000_fh *fh = file->private_data; |
1415 | struct tm6000_core *dev = fh->dev; | |
9701dc94 | 1416 | |
ed7c221c | 1417 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
14a09dac HV |
1418 | int res; |
1419 | ||
9efd85df | 1420 | if (!res_get(fh->dev, fh, true)) |
9701dc94 MCC |
1421 | return -EBUSY; |
1422 | ||
14a09dac HV |
1423 | if (mutex_lock_interruptible(&dev->lock)) |
1424 | return -ERESTARTSYS; | |
1425 | res = videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
9701dc94 | 1426 | file->f_flags & O_NONBLOCK); |
14a09dac HV |
1427 | mutex_unlock(&dev->lock); |
1428 | return res; | |
9701dc94 MCC |
1429 | } |
1430 | return 0; | |
1431 | } | |
1432 | ||
1433 | static unsigned int | |
14a09dac | 1434 | __tm6000_poll(struct file *file, struct poll_table_struct *wait) |
9701dc94 | 1435 | { |
770056c4 | 1436 | unsigned long req_events = poll_requested_events(wait); |
9701dc94 MCC |
1437 | struct tm6000_fh *fh = file->private_data; |
1438 | struct tm6000_buffer *buf; | |
770056c4 | 1439 | int res = 0; |
9701dc94 | 1440 | |
770056c4 HV |
1441 | if (v4l2_event_pending(&fh->fh)) |
1442 | res = POLLPRI; | |
1443 | else if (req_events & POLLPRI) | |
1444 | poll_wait(file, &fh->fh.wait, wait); | |
9701dc94 | 1445 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
770056c4 | 1446 | return res | POLLERR; |
9701dc94 | 1447 | |
9efd85df | 1448 | if (!!is_res_streaming(fh->dev, fh)) |
770056c4 | 1449 | return res | POLLERR; |
9efd85df MCC |
1450 | |
1451 | if (!is_res_read(fh->dev, fh)) { | |
9701dc94 MCC |
1452 | /* streaming capture */ |
1453 | if (list_empty(&fh->vb_vidq.stream)) | |
770056c4 | 1454 | return res | POLLERR; |
ed7c221c | 1455 | buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream); |
82f0efbc HV |
1456 | poll_wait(file, &buf->vb.done, wait); |
1457 | if (buf->vb.state == VIDEOBUF_DONE || | |
1458 | buf->vb.state == VIDEOBUF_ERROR) | |
1459 | return res | POLLIN | POLLRDNORM; | |
770056c4 | 1460 | } else if (req_events & (POLLIN | POLLRDNORM)) { |
9701dc94 | 1461 | /* read() capture */ |
770056c4 | 1462 | return res | videobuf_poll_stream(file, &fh->vb_vidq, wait); |
9701dc94 | 1463 | } |
770056c4 | 1464 | return res; |
9701dc94 MCC |
1465 | } |
1466 | ||
14a09dac HV |
1467 | static unsigned int tm6000_poll(struct file *file, struct poll_table_struct *wait) |
1468 | { | |
1469 | struct tm6000_fh *fh = file->private_data; | |
1470 | struct tm6000_core *dev = fh->dev; | |
1471 | unsigned int res; | |
1472 | ||
1473 | mutex_lock(&dev->lock); | |
1474 | res = __tm6000_poll(file, wait); | |
1475 | mutex_unlock(&dev->lock); | |
1476 | return res; | |
1477 | } | |
1478 | ||
64d339d4 | 1479 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1480 | { |
1481 | struct tm6000_fh *fh = file->private_data; | |
1482 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1483 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1484 | |
0a34df53 MCC |
1485 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1486 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1487 | |
14a09dac | 1488 | mutex_lock(&dev->lock); |
a58d35cb MCC |
1489 | dev->users--; |
1490 | ||
9efd85df | 1491 | res_free(dev, fh); |
dd0c8abf | 1492 | |
a58d35cb | 1493 | if (!dev->users) { |
c144c037 | 1494 | tm6000_uninit_isoc(dev); |
aa4a583d | 1495 | |
8159c184 SR |
1496 | /* Stop interrupt USB pipe */ |
1497 | tm6000_ir_int_stop(dev); | |
1498 | ||
1499 | usb_reset_configuration(dev->udev); | |
1500 | ||
4be9c8fb | 1501 | if (dev->int_in.endp) |
8159c184 | 1502 | usb_set_interface(dev->udev, |
875f0e3d | 1503 | dev->isoc_in.bInterfaceNumber, 2); |
8159c184 SR |
1504 | else |
1505 | usb_set_interface(dev->udev, | |
875f0e3d | 1506 | dev->isoc_in.bInterfaceNumber, 0); |
8159c184 SR |
1507 | |
1508 | /* Start interrupt USB pipe */ | |
1509 | tm6000_ir_int_start(dev); | |
1510 | ||
aa4a583d TR |
1511 | if (!fh->radio) |
1512 | videobuf_mmap_free(&fh->vb_vidq); | |
a58d35cb | 1513 | } |
770056c4 HV |
1514 | v4l2_fh_del(&fh->fh); |
1515 | v4l2_fh_exit(&fh->fh); | |
60fbfdfd | 1516 | kfree(fh); |
14a09dac | 1517 | mutex_unlock(&dev->lock); |
9701dc94 | 1518 | |
9701dc94 MCC |
1519 | return 0; |
1520 | } | |
1521 | ||
1522 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1523 | { | |
3d1a51db | 1524 | struct tm6000_fh *fh = file->private_data; |
14a09dac HV |
1525 | struct tm6000_core *dev = fh->dev; |
1526 | int res; | |
9701dc94 | 1527 | |
14a09dac HV |
1528 | if (mutex_lock_interruptible(&dev->lock)) |
1529 | return -ERESTARTSYS; | |
1530 | res = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1531 | mutex_unlock(&dev->lock); | |
1532 | return res; | |
9701dc94 MCC |
1533 | } |
1534 | ||
ff05c984 | 1535 | static const struct v4l2_file_operations tm6000_fops = { |
3d1a51db TR |
1536 | .owner = THIS_MODULE, |
1537 | .open = tm6000_open, | |
1538 | .release = tm6000_release, | |
1539 | .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
1540 | .read = tm6000_read, | |
1541 | .poll = tm6000_poll, | |
1542 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1543 | }; |
1544 | ||
2a8145d4 MCC |
1545 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1546 | .vidioc_querycap = vidioc_querycap, | |
1547 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1548 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1549 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1550 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1551 | .vidioc_s_std = vidioc_s_std, | |
804be2d4 | 1552 | .vidioc_g_std = vidioc_g_std, |
2a8145d4 MCC |
1553 | .vidioc_enum_input = vidioc_enum_input, |
1554 | .vidioc_g_input = vidioc_g_input, | |
1555 | .vidioc_s_input = vidioc_s_input, | |
2a8145d4 MCC |
1556 | .vidioc_g_tuner = vidioc_g_tuner, |
1557 | .vidioc_s_tuner = vidioc_s_tuner, | |
1558 | .vidioc_g_frequency = vidioc_g_frequency, | |
1559 | .vidioc_s_frequency = vidioc_s_frequency, | |
1560 | .vidioc_streamon = vidioc_streamon, | |
1561 | .vidioc_streamoff = vidioc_streamoff, | |
1562 | .vidioc_reqbufs = vidioc_reqbufs, | |
1563 | .vidioc_querybuf = vidioc_querybuf, | |
1564 | .vidioc_qbuf = vidioc_qbuf, | |
1565 | .vidioc_dqbuf = vidioc_dqbuf, | |
770056c4 HV |
1566 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
1567 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
2a8145d4 MCC |
1568 | }; |
1569 | ||
9701dc94 MCC |
1570 | static struct video_device tm6000_template = { |
1571 | .name = "tm6000", | |
9701dc94 | 1572 | .fops = &tm6000_fops, |
2a8145d4 | 1573 | .ioctl_ops = &video_ioctl_ops, |
65b88c0b | 1574 | .release = video_device_release_empty, |
2a8145d4 | 1575 | .tvnorms = TM6000_STD, |
9701dc94 | 1576 | }; |
2a8145d4 | 1577 | |
8aff8ba9 | 1578 | static const struct v4l2_file_operations radio_fops = { |
1f385717 SR |
1579 | .owner = THIS_MODULE, |
1580 | .open = tm6000_open, | |
52dec548 | 1581 | .poll = v4l2_ctrl_poll, |
1f385717 SR |
1582 | .release = tm6000_release, |
1583 | .unlocked_ioctl = video_ioctl2, | |
8aff8ba9 DB |
1584 | }; |
1585 | ||
1586 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
2c2a0536 | 1587 | .vidioc_querycap = vidioc_querycap, |
8aff8ba9 | 1588 | .vidioc_g_tuner = radio_g_tuner, |
8aff8ba9 | 1589 | .vidioc_s_tuner = radio_s_tuner, |
8aff8ba9 DB |
1590 | .vidioc_g_frequency = vidioc_g_frequency, |
1591 | .vidioc_s_frequency = vidioc_s_frequency, | |
770056c4 HV |
1592 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
1593 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
8aff8ba9 DB |
1594 | }; |
1595 | ||
3d1a51db | 1596 | static struct video_device tm6000_radio_template = { |
8aff8ba9 DB |
1597 | .name = "tm6000", |
1598 | .fops = &radio_fops, | |
ed7c221c | 1599 | .ioctl_ops = &radio_ioctl_ops, |
8aff8ba9 DB |
1600 | }; |
1601 | ||
9701dc94 | 1602 | /* ----------------------------------------------------------------- |
60fbfdfd RP |
1603 | * Initialization and module stuff |
1604 | * ------------------------------------------------------------------ | |
1605 | */ | |
9701dc94 | 1606 | |
65b88c0b HV |
1607 | static void vdev_init(struct tm6000_core *dev, |
1608 | struct video_device *vfd, | |
3c61be44 DB |
1609 | const struct video_device |
1610 | *template, const char *type_name) | |
9701dc94 | 1611 | { |
3c61be44 DB |
1612 | *vfd = *template; |
1613 | vfd->v4l2_dev = &dev->v4l2_dev; | |
65b88c0b | 1614 | vfd->release = video_device_release_empty; |
3c61be44 DB |
1615 | vfd->lock = &dev->lock; |
1616 | ||
1617 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); | |
1618 | ||
1619 | video_set_drvdata(vfd, dev); | |
3c61be44 DB |
1620 | } |
1621 | ||
1622 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1623 | { | |
9f747359 HV |
1624 | int ret = 0; |
1625 | ||
1626 | v4l2_ctrl_handler_init(&dev->ctrl_handler, 6); | |
1627 | v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 2); | |
1628 | v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops, | |
1629 | V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); | |
1630 | v4l2_ctrl_new_std(&dev->radio_ctrl_handler, &tm6000_radio_ctrl_ops, | |
1631 | V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0); | |
1632 | v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops, | |
1633 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 54); | |
1634 | v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops, | |
1635 | V4L2_CID_CONTRAST, 0, 255, 1, 119); | |
1636 | v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops, | |
1637 | V4L2_CID_SATURATION, 0, 255, 1, 112); | |
1638 | v4l2_ctrl_new_std(&dev->ctrl_handler, &tm6000_ctrl_ops, | |
1639 | V4L2_CID_HUE, -128, 127, 1, 0); | |
1640 | v4l2_ctrl_add_handler(&dev->ctrl_handler, | |
1641 | &dev->radio_ctrl_handler, NULL); | |
1642 | ||
1643 | if (dev->radio_ctrl_handler.error) | |
1644 | ret = dev->radio_ctrl_handler.error; | |
1645 | if (!ret && dev->ctrl_handler.error) | |
1646 | ret = dev->ctrl_handler.error; | |
1647 | if (ret) | |
1648 | goto free_ctrl; | |
3c61be44 | 1649 | |
65b88c0b | 1650 | vdev_init(dev, &dev->vfd, &tm6000_template, "video"); |
3c61be44 | 1651 | |
65b88c0b | 1652 | dev->vfd.ctrl_handler = &dev->ctrl_handler; |
9701dc94 | 1653 | |
9701dc94 MCC |
1654 | /* init video dma queues */ |
1655 | INIT_LIST_HEAD(&dev->vidq.active); | |
1656 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1657 | ||
65b88c0b | 1658 | ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, video_nr); |
dc961136 | 1659 | |
3c61be44 DB |
1660 | if (ret < 0) { |
1661 | printk(KERN_INFO "%s: can't register video device\n", | |
1662 | dev->name); | |
9f747359 | 1663 | goto free_ctrl; |
3c61be44 DB |
1664 | } |
1665 | ||
1666 | printk(KERN_INFO "%s: registered device %s\n", | |
65b88c0b | 1667 | dev->name, video_device_node_name(&dev->vfd)); |
9701dc94 | 1668 | |
14169107 | 1669 | if (dev->caps.has_radio) { |
65b88c0b | 1670 | vdev_init(dev, &dev->radio_dev, &tm6000_radio_template, |
14169107 | 1671 | "radio"); |
65b88c0b HV |
1672 | dev->radio_dev.ctrl_handler = &dev->radio_ctrl_handler; |
1673 | ret = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO, | |
14169107 SR |
1674 | radio_nr); |
1675 | if (ret < 0) { | |
1676 | printk(KERN_INFO "%s: can't register radio device\n", | |
1677 | dev->name); | |
9f747359 | 1678 | goto unreg_video; |
14169107 | 1679 | } |
8aff8ba9 | 1680 | |
14169107 | 1681 | printk(KERN_INFO "%s: registered device %s\n", |
65b88c0b | 1682 | dev->name, video_device_node_name(&dev->radio_dev)); |
14169107 | 1683 | } |
8aff8ba9 | 1684 | |
e28f49b0 | 1685 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 | 1686 | return ret; |
9f747359 HV |
1687 | |
1688 | unreg_video: | |
65b88c0b | 1689 | video_unregister_device(&dev->vfd); |
9f747359 HV |
1690 | free_ctrl: |
1691 | v4l2_ctrl_handler_free(&dev->ctrl_handler); | |
1692 | v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); | |
1693 | return ret; | |
9701dc94 MCC |
1694 | } |
1695 | ||
1696 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1697 | { | |
65b88c0b | 1698 | video_unregister_device(&dev->vfd); |
22927e8e | 1699 | |
16427faf JS |
1700 | /* if URB buffers are still allocated free them now */ |
1701 | tm6000_free_urb_buffers(dev); | |
1702 | ||
65b88c0b | 1703 | video_unregister_device(&dev->radio_dev); |
9701dc94 MCC |
1704 | return 0; |
1705 | } | |
1706 | ||
1707 | int tm6000_v4l2_exit(void) | |
1708 | { | |
1709 | return 0; | |
1710 | } | |
1711 | ||
1712 | module_param(video_nr, int, 0); | |
60fbfdfd | 1713 | MODULE_PARM_DESC(video_nr, "Allow changing video device number"); |
9701dc94 | 1714 | |
60fbfdfd RP |
1715 | module_param_named(debug, tm6000_debug, int, 0444); |
1716 | MODULE_PARM_DESC(debug, "activates debug info"); | |
9701dc94 | 1717 | |
60fbfdfd RP |
1718 | module_param(vid_limit, int, 0644); |
1719 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
9701dc94 | 1720 | |
16427faf JS |
1721 | module_param(keep_urb, bool, 0); |
1722 | MODULE_PARM_DESC(keep_urb, "Keep urb buffers allocated even when the device is closed by the user"); |