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. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
9701dc94 | 21 | */ |
3d1a51db | 22 | |
9701dc94 MCC |
23 | #include <linux/module.h> |
24 | #include <linux/delay.h> | |
25 | #include <linux/errno.h> | |
26 | #include <linux/fs.h> | |
27 | #include <linux/kernel.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/mm.h> | |
30 | #include <linux/ioport.h> | |
31 | #include <linux/init.h> | |
32 | #include <linux/sched.h> | |
33 | #include <linux/random.h> | |
9701dc94 MCC |
34 | #include <linux/usb.h> |
35 | #include <linux/videodev2.h> | |
2a8145d4 | 36 | #include <media/v4l2-ioctl.h> |
886a3c0b | 37 | #include <media/tuner.h> |
9701dc94 MCC |
38 | #include <linux/interrupt.h> |
39 | #include <linux/kthread.h> | |
40 | #include <linux/highmem.h> | |
41 | #include <linux/freezer.h> | |
42 | ||
43 | #include "tm6000-regs.h" | |
44 | #include "tm6000.h" | |
45 | ||
46 | #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ | |
47 | ||
95a83824 ML |
48 | /* Limits minimum and default number of buffers */ |
49 | #define TM6000_MIN_BUF 4 | |
50 | #define TM6000_DEF_BUF 8 | |
51 | ||
5a4b55e2 | 52 | #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ |
ee1fc07c | 53 | |
9701dc94 MCC |
54 | /* Declare static vars that will be used as parameters */ |
55 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
56 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
8aff8ba9 | 57 | static int radio_nr = -1; /* /dev/radioN, -1 for autodetect */ |
9701dc94 | 58 | |
9701dc94 MCC |
59 | /* Debug level */ |
60 | int tm6000_debug; | |
faa7c134 | 61 | EXPORT_SYMBOL_GPL(tm6000_debug); |
9701dc94 | 62 | |
8aff8ba9 DB |
63 | static const struct v4l2_queryctrl no_ctrl = { |
64 | .name = "42", | |
65 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
66 | }; | |
67 | ||
9701dc94 MCC |
68 | /* supported controls */ |
69 | static struct v4l2_queryctrl tm6000_qctrl[] = { | |
70 | { | |
71 | .id = V4L2_CID_BRIGHTNESS, | |
72 | .type = V4L2_CTRL_TYPE_INTEGER, | |
73 | .name = "Brightness", | |
74 | .minimum = 0, | |
75 | .maximum = 255, | |
76 | .step = 1, | |
77 | .default_value = 54, | |
78 | .flags = 0, | |
79 | }, { | |
80 | .id = V4L2_CID_CONTRAST, | |
81 | .type = V4L2_CTRL_TYPE_INTEGER, | |
82 | .name = "Contrast", | |
83 | .minimum = 0, | |
84 | .maximum = 255, | |
85 | .step = 0x1, | |
86 | .default_value = 119, | |
87 | .flags = 0, | |
88 | }, { | |
89 | .id = V4L2_CID_SATURATION, | |
90 | .type = V4L2_CTRL_TYPE_INTEGER, | |
91 | .name = "Saturation", | |
92 | .minimum = 0, | |
93 | .maximum = 255, | |
94 | .step = 0x1, | |
95 | .default_value = 112, | |
96 | .flags = 0, | |
97 | }, { | |
98 | .id = V4L2_CID_HUE, | |
99 | .type = V4L2_CTRL_TYPE_INTEGER, | |
100 | .name = "Hue", | |
101 | .minimum = -128, | |
102 | .maximum = 127, | |
103 | .step = 0x1, | |
c4acf48c | 104 | .default_value = 0, |
9701dc94 | 105 | .flags = 0, |
8aff8ba9 DB |
106 | }, |
107 | /* --- audio --- */ | |
108 | { | |
109 | .id = V4L2_CID_AUDIO_MUTE, | |
110 | .name = "Mute", | |
111 | .minimum = 0, | |
112 | .maximum = 1, | |
113 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
114 | }, { | |
115 | .id = V4L2_CID_AUDIO_VOLUME, | |
116 | .name = "Volume", | |
117 | .minimum = -15, | |
118 | .maximum = 15, | |
119 | .step = 1, | |
120 | .default_value = 0, | |
121 | .type = V4L2_CTRL_TYPE_INTEGER, | |
9701dc94 MCC |
122 | } |
123 | }; | |
124 | ||
8aff8ba9 | 125 | static const unsigned int CTRLS = ARRAY_SIZE(tm6000_qctrl); |
9701dc94 MCC |
126 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; |
127 | ||
128 | static struct tm6000_fmt format[] = { | |
129 | { | |
130 | .name = "4:2:2, packed, YVY2", | |
131 | .fourcc = V4L2_PIX_FMT_YUYV, | |
132 | .depth = 16, | |
c4acf48c | 133 | }, { |
9701dc94 MCC |
134 | .name = "4:2:2, packed, UYVY", |
135 | .fourcc = V4L2_PIX_FMT_UYVY, | |
136 | .depth = 16, | |
c4acf48c | 137 | }, { |
9701dc94 MCC |
138 | .name = "A/V + VBI mux packet", |
139 | .fourcc = V4L2_PIX_FMT_TM6000, | |
140 | .depth = 16, | |
141 | } | |
142 | }; | |
143 | ||
8aff8ba9 DB |
144 | static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) |
145 | { | |
146 | unsigned int i; | |
147 | ||
148 | for (i = 0; i < CTRLS; i++) | |
149 | if (tm6000_qctrl[i].id == id) | |
150 | return tm6000_qctrl+i; | |
151 | return NULL; | |
152 | } | |
153 | ||
9701dc94 | 154 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
155 | * DMA and thread functions |
156 | * ------------------------------------------------------------------ | |
157 | */ | |
9701dc94 MCC |
158 | |
159 | #define norm_maxw(a) 720 | |
4475c044 | 160 | #define norm_maxh(a) 576 |
9701dc94 | 161 | |
9701dc94 MCC |
162 | #define norm_minw(a) norm_maxw(a) |
163 | #define norm_minh(a) norm_maxh(a) | |
164 | ||
165 | /* | |
166 | * video-buf generic routine to get the next available buffer | |
167 | */ | |
721f507b | 168 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
c4acf48c | 169 | struct tm6000_buffer **buf) |
9701dc94 | 170 | { |
c4acf48c | 171 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
721f507b | 172 | char *outp; |
9701dc94 MCC |
173 | |
174 | if (list_empty(&dma_q->active)) { | |
c4acf48c | 175 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
1f9305b7 | 176 | *buf = NULL; |
721f507b | 177 | return; |
9701dc94 MCC |
178 | } |
179 | ||
180 | *buf = list_entry(dma_q->active.next, | |
181 | struct tm6000_buffer, vb.queue); | |
182 | ||
25985edc | 183 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
721f507b | 184 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
721f507b MCC |
185 | |
186 | return; | |
9701dc94 MCC |
187 | } |
188 | ||
189 | /* | |
190 | * Announces that a buffer were filled and request the next | |
191 | */ | |
c4acf48c MCC |
192 | static inline void buffer_filled(struct tm6000_core *dev, |
193 | struct tm6000_dmaqueue *dma_q, | |
194 | struct tm6000_buffer *buf) | |
9701dc94 MCC |
195 | { |
196 | /* Advice that buffer was filled */ | |
c4acf48c | 197 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
47878f16 | 198 | buf->vb.state = VIDEOBUF_DONE; |
9701dc94 MCC |
199 | buf->vb.field_count++; |
200 | do_gettimeofday(&buf->vb.ts); | |
201 | ||
202 | list_del(&buf->vb.queue); | |
203 | wake_up(&buf->vb.done); | |
204 | } | |
205 | ||
9701dc94 MCC |
206 | /* |
207 | * Identify the tm5600/6000 buffer header type and properly handles | |
208 | */ | |
4b6ed9fd SR |
209 | static int copy_streams(u8 *data, unsigned long len, |
210 | struct urb *urb) | |
e2c9500d MCC |
211 | { |
212 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
213 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
214 | u8 *ptr = data, *endp = data+len, c; | |
215 | unsigned long header = 0; | |
216 | int rc = 0; | |
83cb9a50 | 217 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
cc73b4b5 | 218 | struct tm6000_buffer *vbuf = NULL; |
83cb9a50 SR |
219 | char *voutp = NULL; |
220 | unsigned int linewidth; | |
221 | ||
8aff8ba9 DB |
222 | if (!dev->radio) { |
223 | /* get video buffer */ | |
224 | get_next_buf(dma_q, &vbuf); | |
225 | ||
226 | if (!vbuf) | |
227 | return rc; | |
228 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
229 | ||
230 | if (!voutp) | |
231 | return 0; | |
232 | } | |
ed0236af | 233 | |
83cb9a50 | 234 | for (ptr = data; ptr < endp;) { |
ed0236af | 235 | if (!dev->isoc_ctl.cmd) { |
83cb9a50 SR |
236 | /* Header */ |
237 | if (dev->isoc_ctl.tmp_buf_len > 0) { | |
238 | /* from last urb or packet */ | |
239 | header = dev->isoc_ctl.tmp_buf; | |
240 | if (4 - dev->isoc_ctl.tmp_buf_len > 0) { | |
60fbfdfd | 241 | memcpy((u8 *)&header + |
801dd3b3 | 242 | dev->isoc_ctl.tmp_buf_len, |
ed0236af | 243 | ptr, |
801dd3b3 MCC |
244 | 4 - dev->isoc_ctl.tmp_buf_len); |
245 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; | |
ed0236af | 246 | } |
83cb9a50 SR |
247 | dev->isoc_ctl.tmp_buf_len = 0; |
248 | } else { | |
249 | if (ptr + 3 >= endp) { | |
250 | /* have incomplete header */ | |
251 | dev->isoc_ctl.tmp_buf_len = endp - ptr; | |
60fbfdfd | 252 | memcpy(&dev->isoc_ctl.tmp_buf, ptr, |
83cb9a50 SR |
253 | dev->isoc_ctl.tmp_buf_len); |
254 | return rc; | |
255 | } | |
256 | /* Seek for sync */ | |
257 | for (; ptr < endp - 3; ptr++) { | |
258 | if (*(ptr + 3) == 0x47) | |
259 | break; | |
260 | } | |
261 | /* Get message header */ | |
262 | header = *(unsigned long *)ptr; | |
263 | ptr += 4; | |
ed0236af | 264 | } |
23ba9463 | 265 | |
83cb9a50 SR |
266 | /* split the header fields */ |
267 | c = (header >> 24) & 0xff; | |
268 | size = ((header & 0x7e) << 1); | |
269 | if (size > 0) | |
270 | size -= 4; | |
271 | block = (header >> 7) & 0xf; | |
272 | field = (header >> 11) & 0x1; | |
273 | line = (header >> 12) & 0x1ff; | |
274 | cmd = (header >> 21) & 0x7; | |
275 | /* Validates haeder fields */ | |
276 | if (size > TM6000_URB_MSG_LEN) | |
277 | size = TM6000_URB_MSG_LEN; | |
278 | pktsize = TM6000_URB_MSG_LEN; | |
3d1a51db TR |
279 | /* |
280 | * calculate position in buffer and change the buffer | |
83cb9a50 SR |
281 | */ |
282 | switch (cmd) { | |
283 | case TM6000_URB_MSG_VIDEO: | |
8aff8ba9 DB |
284 | if (!dev->radio) { |
285 | if ((dev->isoc_ctl.vfield != field) && | |
286 | (field == 1)) { | |
3d1a51db TR |
287 | /* |
288 | * Announces that a new buffer | |
289 | * were filled | |
290 | */ | |
8aff8ba9 DB |
291 | buffer_filled(dev, dma_q, vbuf); |
292 | dprintk(dev, V4L2_DEBUG_ISOC, | |
83cb9a50 | 293 | "new buffer filled\n"); |
8aff8ba9 DB |
294 | get_next_buf(dma_q, &vbuf); |
295 | if (!vbuf) | |
296 | return rc; | |
297 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
298 | if (!voutp) | |
299 | return rc; | |
300 | memset(voutp, 0, vbuf->vb.size); | |
301 | } | |
302 | linewidth = vbuf->vb.width << 1; | |
303 | pos = ((line << 1) - field - 1) * | |
304 | linewidth + block * TM6000_URB_MSG_LEN; | |
305 | /* Don't allow to write out of the buffer */ | |
306 | if (pos + size > vbuf->vb.size) | |
307 | cmd = TM6000_URB_MSG_ERR; | |
308 | dev->isoc_ctl.vfield = field; | |
cc73b4b5 | 309 | } |
83cb9a50 | 310 | break; |
83cb9a50 | 311 | case TM6000_URB_MSG_VBI: |
23ba9463 MCC |
312 | break; |
313 | case TM6000_URB_MSG_AUDIO: | |
83cb9a50 | 314 | case TM6000_URB_MSG_PTS: |
3d1a51db | 315 | size = pktsize; /* Size is always 180 bytes */ |
83cb9a50 | 316 | break; |
9701dc94 | 317 | } |
83cb9a50 SR |
318 | } else { |
319 | /* Continue the last copy */ | |
320 | cmd = dev->isoc_ctl.cmd; | |
321 | size = dev->isoc_ctl.size; | |
322 | pos = dev->isoc_ctl.pos; | |
323 | pktsize = dev->isoc_ctl.pktsize; | |
423c79e3 | 324 | field = dev->isoc_ctl.field; |
83cb9a50 SR |
325 | } |
326 | cpysize = (endp - ptr > size) ? size : endp - ptr; | |
327 | if (cpysize) { | |
328 | /* copy data in different buffers */ | |
329 | switch (cmd) { | |
330 | case TM6000_URB_MSG_VIDEO: | |
331 | /* Fills video buffer */ | |
332 | if (vbuf) | |
60fbfdfd | 333 | memcpy(&voutp[pos], ptr, cpysize); |
83cb9a50 | 334 | break; |
7ecff8c9 SR |
335 | case TM6000_URB_MSG_AUDIO: { |
336 | int i; | |
337 | for (i = 0; i < cpysize; i += 2) | |
338 | swab16s((u16 *)(ptr + i)); | |
73f4d265 | 339 | |
b17b8699 | 340 | tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); |
83cb9a50 | 341 | break; |
7ecff8c9 | 342 | } |
83cb9a50 SR |
343 | case TM6000_URB_MSG_VBI: |
344 | /* Need some code to copy vbi buffer */ | |
345 | break; | |
2f349daa | 346 | case TM6000_URB_MSG_PTS: { |
83cb9a50 | 347 | /* Need some code to copy pts */ |
2f349daa SR |
348 | u32 pts; |
349 | pts = *(u32 *)ptr; | |
423c79e3 SR |
350 | dprintk(dev, V4L2_DEBUG_ISOC, "field %d, PTS %x", |
351 | field, pts); | |
83cb9a50 | 352 | break; |
cc6c60d9 | 353 | } |
2f349daa | 354 | } |
ed0236af | 355 | } |
ccfb3028 | 356 | if (ptr + pktsize > endp) { |
3d1a51db TR |
357 | /* |
358 | * End of URB packet, but cmd processing is not | |
83cb9a50 SR |
359 | * complete. Preserve the state for a next packet |
360 | */ | |
361 | dev->isoc_ctl.pos = pos + cpysize; | |
362 | dev->isoc_ctl.size = size - cpysize; | |
363 | dev->isoc_ctl.cmd = cmd; | |
423c79e3 | 364 | dev->isoc_ctl.field = field; |
83cb9a50 | 365 | dev->isoc_ctl.pktsize = pktsize - (endp - ptr); |
ccfb3028 | 366 | ptr += endp - ptr; |
83cb9a50 SR |
367 | } else { |
368 | dev->isoc_ctl.cmd = 0; | |
369 | ptr += pktsize; | |
a228618c | 370 | } |
9701dc94 | 371 | } |
a228618c | 372 | return 0; |
9701dc94 | 373 | } |
83cb9a50 | 374 | |
9701dc94 MCC |
375 | /* |
376 | * Identify the tm5600/6000 buffer header type and properly handles | |
377 | */ | |
4b6ed9fd SR |
378 | static int copy_multiplexed(u8 *ptr, unsigned long len, |
379 | struct urb *urb) | |
9701dc94 MCC |
380 | { |
381 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
382 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
383 | unsigned int pos = dev->isoc_ctl.pos, cpysize; | |
384 | int rc = 1; | |
4b6ed9fd SR |
385 | struct tm6000_buffer *buf; |
386 | char *outp = NULL; | |
387 | ||
388 | get_next_buf(dma_q, &buf); | |
389 | if (buf) | |
390 | outp = videobuf_to_vmalloc(&buf->vb); | |
391 | ||
392 | if (!outp) | |
393 | return 0; | |
ed0236af | 394 | |
60fbfdfd RP |
395 | while (len > 0) { |
396 | cpysize = min(len, buf->vb.size-pos); | |
4b6ed9fd | 397 | memcpy(&outp[pos], ptr, cpysize); |
60fbfdfd RP |
398 | pos += cpysize; |
399 | ptr += cpysize; | |
400 | len -= cpysize; | |
4b6ed9fd | 401 | if (pos >= buf->vb.size) { |
60fbfdfd | 402 | pos = 0; |
9701dc94 | 403 | /* Announces that a new buffer were filled */ |
60fbfdfd | 404 | buffer_filled(dev, dma_q, buf); |
5f796752 | 405 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
60fbfdfd | 406 | get_next_buf(dma_q, &buf); |
4b6ed9fd | 407 | if (!buf) |
9701dc94 | 408 | break; |
4b6ed9fd SR |
409 | outp = videobuf_to_vmalloc(&(buf->vb)); |
410 | if (!outp) | |
e8a4845d MCC |
411 | return rc; |
412 | pos = 0; | |
9701dc94 MCC |
413 | } |
414 | } | |
415 | ||
60fbfdfd | 416 | dev->isoc_ctl.pos = pos; |
9701dc94 MCC |
417 | return rc; |
418 | } | |
419 | ||
60fbfdfd | 420 | static inline void print_err_status(struct tm6000_core *dev, |
ed0236af | 421 | int packet, int status) |
5f796752 MCC |
422 | { |
423 | char *errmsg = "Unknown"; | |
424 | ||
60fbfdfd | 425 | switch (status) { |
5f796752 MCC |
426 | case -ENOENT: |
427 | errmsg = "unlinked synchronuously"; | |
428 | break; | |
429 | case -ECONNRESET: | |
430 | errmsg = "unlinked asynchronuously"; | |
431 | break; | |
432 | case -ENOSR: | |
433 | errmsg = "Buffer error (overrun)"; | |
434 | break; | |
435 | case -EPIPE: | |
436 | errmsg = "Stalled (device not responding)"; | |
437 | break; | |
438 | case -EOVERFLOW: | |
439 | errmsg = "Babble (bad cable?)"; | |
440 | break; | |
441 | case -EPROTO: | |
442 | errmsg = "Bit-stuff error (bad cable?)"; | |
443 | break; | |
444 | case -EILSEQ: | |
445 | errmsg = "CRC/Timeout (could be anything)"; | |
446 | break; | |
447 | case -ETIME: | |
448 | errmsg = "Device does not respond"; | |
449 | break; | |
450 | } | |
60fbfdfd | 451 | if (packet < 0) { |
5f796752 MCC |
452 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
453 | status, errmsg); | |
454 | } else { | |
ed0236af | 455 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
456 | packet, status, errmsg); |
457 | } | |
458 | } | |
459 | ||
460 | ||
9701dc94 MCC |
461 | /* |
462 | * Controls the isoc copy of each urb packet | |
463 | */ | |
e8a4845d | 464 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
465 | { |
466 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
467 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
468 | int i, len = 0, rc = 1, status; | |
4b6ed9fd | 469 | char *p; |
9701dc94 | 470 | |
4b6ed9fd | 471 | if (urb->status < 0) { |
60fbfdfd | 472 | print_err_status(dev, -1, urb->status); |
5f796752 MCC |
473 | return 0; |
474 | } | |
9701dc94 MCC |
475 | |
476 | for (i = 0; i < urb->number_of_packets; i++) { | |
4b6ed9fd | 477 | status = urb->iso_frame_desc[i].status; |
9701dc94 | 478 | |
60fbfdfd RP |
479 | if (status < 0) { |
480 | print_err_status(dev, i, status); | |
9701dc94 | 481 | continue; |
5f796752 | 482 | } |
9701dc94 | 483 | |
4b6ed9fd | 484 | len = urb->iso_frame_desc[i].actual_length; |
ed0236af | 485 | |
4b6ed9fd SR |
486 | if (len > 0) { |
487 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ed0236af | 488 | if (!urb->iso_frame_desc[i].status) { |
60fbfdfd RP |
489 | if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) { |
490 | rc = copy_multiplexed(p, len, urb); | |
491 | if (rc <= 0) | |
ed0236af MCC |
492 | return rc; |
493 | } else { | |
4b6ed9fd | 494 | copy_streams(p, len, urb); |
ed0236af MCC |
495 | } |
496 | } | |
4b6ed9fd | 497 | } |
9701dc94 | 498 | } |
9701dc94 MCC |
499 | return rc; |
500 | } | |
501 | ||
502 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
503 | * URB control |
504 | * ------------------------------------------------------------------ | |
505 | */ | |
9701dc94 MCC |
506 | |
507 | /* | |
508 | * IRQ callback, called by URB callback | |
509 | */ | |
510 | static void tm6000_irq_callback(struct urb *urb) | |
511 | { | |
9701dc94 | 512 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 513 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 514 | int i; |
9701dc94 | 515 | |
721f507b MCC |
516 | if (!dev) |
517 | return; | |
a228618c | 518 | |
e8a4845d MCC |
519 | spin_lock(&dev->slock); |
520 | tm6000_isoc_copy(urb); | |
521 | spin_unlock(&dev->slock); | |
9701dc94 | 522 | |
e8a4845d MCC |
523 | /* Reset urb buffers */ |
524 | for (i = 0; i < urb->number_of_packets; i++) { | |
525 | urb->iso_frame_desc[i].status = 0; | |
526 | urb->iso_frame_desc[i].actual_length = 0; | |
527 | } | |
9701dc94 | 528 | |
c4acf48c MCC |
529 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
530 | if (urb->status) | |
9701dc94 MCC |
531 | tm6000_err("urb resubmit failed (error=%i)\n", |
532 | urb->status); | |
9701dc94 MCC |
533 | } |
534 | ||
535 | /* | |
536 | * Stop and Deallocate URBs | |
537 | */ | |
538 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
539 | { | |
540 | struct urb *urb; | |
541 | int i; | |
542 | ||
ee1fc07c | 543 | dev->isoc_ctl.buf = NULL; |
9701dc94 | 544 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
60fbfdfd | 545 | urb = dev->isoc_ctl.urb[i]; |
9701dc94 MCC |
546 | if (urb) { |
547 | usb_kill_urb(urb); | |
548 | usb_unlink_urb(urb); | |
549 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
5a11b6fe | 550 | usb_free_coherent(dev->udev, |
9701dc94 MCC |
551 | urb->transfer_buffer_length, |
552 | dev->isoc_ctl.transfer_buffer[i], | |
553 | urb->transfer_dma); | |
554 | } | |
555 | usb_free_urb(urb); | |
556 | dev->isoc_ctl.urb[i] = NULL; | |
557 | } | |
558 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
559 | } | |
560 | ||
60fbfdfd RP |
561 | kfree(dev->isoc_ctl.urb); |
562 | kfree(dev->isoc_ctl.transfer_buffer); | |
c144c037 | 563 | |
60fbfdfd RP |
564 | dev->isoc_ctl.urb = NULL; |
565 | dev->isoc_ctl.transfer_buffer = NULL; | |
c144c037 | 566 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
567 | } |
568 | ||
9701dc94 MCC |
569 | /* |
570 | * Allocate URBs and start IRQ | |
571 | */ | |
8aff8ba9 | 572 | static int tm6000_prepare_isoc(struct tm6000_core *dev) |
9701dc94 MCC |
573 | { |
574 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
5a4b55e2 | 575 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 8; |
9701dc94 | 576 | struct urb *urb; |
204193d9 | 577 | |
9701dc94 MCC |
578 | /* De-allocates all pending stuff */ |
579 | tm6000_uninit_isoc(dev); | |
641d2116 DB |
580 | /* Stop interrupt USB pipe */ |
581 | tm6000_ir_int_stop(dev); | |
9701dc94 | 582 | |
6ae635c4 MCC |
583 | usb_set_interface(dev->udev, |
584 | dev->isoc_in.bInterfaceNumber, | |
585 | dev->isoc_in.bAlternateSetting); | |
586 | ||
641d2116 DB |
587 | /* Start interrupt USB pipe */ |
588 | tm6000_ir_int_start(dev); | |
589 | ||
ee1fc07c | 590 | pipe = usb_rcvisocpipe(dev->udev, |
6ae635c4 | 591 | dev->isoc_in.endp->desc.bEndpointAddress & |
ee1fc07c MCC |
592 | USB_ENDPOINT_NUMBER_MASK); |
593 | ||
594 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
595 | ||
6ae635c4 MCC |
596 | if (size > dev->isoc_in.maxsize) |
597 | size = dev->isoc_in.maxsize; | |
ee1fc07c MCC |
598 | |
599 | dev->isoc_ctl.max_pkt_size = size; | |
600 | ||
8aff8ba9 | 601 | max_packets = TM6000_MAX_ISO_PACKETS; |
ee1fc07c MCC |
602 | sb_size = max_packets * size; |
603 | ||
604 | dev->isoc_ctl.num_bufs = num_bufs; | |
605 | ||
c144c037 | 606 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
607 | if (!dev->isoc_ctl.urb) { |
608 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
609 | return -ENOMEM; | |
610 | } | |
611 | ||
ee1fc07c | 612 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 613 | GFP_KERNEL); |
f8960ee7 | 614 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
615 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
616 | kfree(dev->isoc_ctl.urb); | |
617 | return -ENOMEM; | |
618 | } | |
619 | ||
ee1fc07c MCC |
620 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
621 | " (%d bytes) of %d bytes each to handle %u size\n", | |
622 | max_packets, num_bufs, sb_size, | |
6ae635c4 | 623 | dev->isoc_in.maxsize, size); |
9701dc94 MCC |
624 | |
625 | /* allocate urbs and transfer buffers */ | |
626 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
627 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
628 | if (!urb) { | |
629 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
630 | tm6000_uninit_isoc(dev); | |
c1a16414 | 631 | usb_free_urb(urb); |
9701dc94 MCC |
632 | return -ENOMEM; |
633 | } | |
634 | dev->isoc_ctl.urb[i] = urb; | |
635 | ||
5a11b6fe | 636 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, |
c13dd704 | 637 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
9701dc94 | 638 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
60fbfdfd | 639 | tm6000_err("unable to allocate %i bytes for transfer" |
a228618c MCC |
640 | " buffer %i%s\n", |
641 | sb_size, i, | |
60fbfdfd | 642 | in_interrupt() ? " while in int" : ""); |
9701dc94 MCC |
643 | tm6000_uninit_isoc(dev); |
644 | return -ENOMEM; | |
645 | } | |
646 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
647 | ||
ee1fc07c MCC |
648 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
649 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
650 | tm6000_irq_callback, dma_q); | |
6ae635c4 | 651 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
9701dc94 | 652 | urb->number_of_packets = max_packets; |
ee1fc07c | 653 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 654 | |
9701dc94 | 655 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
656 | urb->iso_frame_desc[j].offset = size * j; |
657 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
658 | } |
659 | } | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
60fbfdfd | 664 | static int tm6000_start_thread(struct tm6000_core *dev) |
9701dc94 | 665 | { |
c144c037 MCC |
666 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
667 | int i; | |
9701dc94 | 668 | |
60fbfdfd RP |
669 | dma_q->frame = 0; |
670 | dma_q->ini_jiffies = jiffies; | |
9701dc94 MCC |
671 | |
672 | init_waitqueue_head(&dma_q->wq); | |
673 | ||
674 | /* submit urbs and enables IRQ */ | |
675 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 676 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
677 | if (rc) { |
678 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
679 | rc); | |
680 | tm6000_uninit_isoc(dev); | |
681 | return rc; | |
682 | } | |
683 | } | |
684 | ||
9701dc94 MCC |
685 | return 0; |
686 | } | |
687 | ||
9701dc94 | 688 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
689 | * Videobuf operations |
690 | * ------------------------------------------------------------------ | |
691 | */ | |
95a83824 | 692 | |
9701dc94 MCC |
693 | static int |
694 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
695 | { | |
696 | struct tm6000_fh *fh = vq->priv_data; | |
697 | ||
698 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
699 | if (0 == *count) | |
95a83824 ML |
700 | *count = TM6000_DEF_BUF; |
701 | ||
60fbfdfd RP |
702 | if (*count < TM6000_MIN_BUF) |
703 | *count = TM6000_MIN_BUF; | |
95a83824 | 704 | |
9701dc94 MCC |
705 | while (*size * *count > vid_limit * 1024 * 1024) |
706 | (*count)--; | |
95a83824 | 707 | |
9701dc94 MCC |
708 | return 0; |
709 | } | |
710 | ||
711 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
712 | { | |
721f507b MCC |
713 | struct tm6000_fh *fh = vq->priv_data; |
714 | struct tm6000_core *dev = fh->dev; | |
715 | unsigned long flags; | |
716 | ||
9701dc94 MCC |
717 | if (in_interrupt()) |
718 | BUG(); | |
719 | ||
721f507b MCC |
720 | /* We used to wait for the buffer to finish here, but this didn't work |
721 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
722 | videobuf_queue_cancel marked it as finished for us. | |
723 | (Also, it could wedge forever if the hardware was misconfigured.) | |
724 | ||
725 | This should be safe; by the time we get here, the buffer isn't | |
726 | queued anymore. If we ever start marking the buffers as | |
727 | VIDEOBUF_ACTIVE, it won't be, though. | |
728 | */ | |
729 | spin_lock_irqsave(&dev->slock, flags); | |
730 | if (dev->isoc_ctl.buf == buf) | |
731 | dev->isoc_ctl.buf = NULL; | |
732 | spin_unlock_irqrestore(&dev->slock, flags); | |
733 | ||
9701dc94 | 734 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 735 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
736 | } |
737 | ||
738 | static int | |
739 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
740 | enum v4l2_field field) | |
741 | { | |
742 | struct tm6000_fh *fh = vq->priv_data; | |
60fbfdfd | 743 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 744 | struct tm6000_core *dev = fh->dev; |
204193d9 | 745 | int rc = 0, urb_init = 0; |
9701dc94 MCC |
746 | |
747 | BUG_ON(NULL == fh->fmt); | |
748 | ||
9701dc94 MCC |
749 | |
750 | /* FIXME: It assumes depth=2 */ | |
751 | /* The only currently supported format is 16 bits/pixel */ | |
752 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
753 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
754 | return -EINVAL; | |
755 | ||
756 | if (buf->fmt != fh->fmt || | |
757 | buf->vb.width != fh->width || | |
758 | buf->vb.height != fh->height || | |
759 | buf->vb.field != field) { | |
760 | buf->fmt = fh->fmt; | |
761 | buf->vb.width = fh->width; | |
762 | buf->vb.height = fh->height; | |
763 | buf->vb.field = field; | |
47878f16 | 764 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
765 | } |
766 | ||
47878f16 | 767 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ed7c221c CM |
768 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
769 | if (rc != 0) | |
9701dc94 | 770 | goto fail; |
ee1fc07c | 771 | urb_init = 1; |
9701dc94 MCC |
772 | } |
773 | ||
9701dc94 | 774 | if (!dev->isoc_ctl.num_bufs) |
ee1fc07c | 775 | urb_init = 1; |
9701dc94 MCC |
776 | |
777 | if (urb_init) { | |
8aff8ba9 | 778 | rc = tm6000_prepare_isoc(dev); |
c144c037 MCC |
779 | if (rc < 0) |
780 | goto fail; | |
ee1fc07c | 781 | |
c144c037 | 782 | rc = tm6000_start_thread(dev); |
ee1fc07c | 783 | if (rc < 0) |
9701dc94 | 784 | goto fail; |
c144c037 | 785 | |
9701dc94 MCC |
786 | } |
787 | ||
47878f16 | 788 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
789 | return 0; |
790 | ||
791 | fail: | |
ee1fc07c | 792 | free_buffer(vq, buf); |
9701dc94 MCC |
793 | return rc; |
794 | } | |
795 | ||
796 | static void | |
797 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
798 | { | |
60fbfdfd | 799 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 MCC |
800 | struct tm6000_fh *fh = vq->priv_data; |
801 | struct tm6000_core *dev = fh->dev; | |
802 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
803 | |
804 | buf->vb.state = VIDEOBUF_QUEUED; | |
805 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
806 | } |
807 | ||
808 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
809 | { | |
60fbfdfd | 810 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 811 | |
60fbfdfd | 812 | free_buffer(vq, buf); |
9701dc94 MCC |
813 | } |
814 | ||
815 | static struct videobuf_queue_ops tm6000_video_qops = { | |
816 | .buf_setup = buffer_setup, | |
817 | .buf_prepare = buffer_prepare, | |
818 | .buf_queue = buffer_queue, | |
819 | .buf_release = buffer_release, | |
820 | }; | |
821 | ||
822 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
823 | * IOCTL handling |
824 | * ------------------------------------------------------------------ | |
825 | */ | |
9701dc94 | 826 | |
9efd85df | 827 | static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh) |
9701dc94 | 828 | { |
9efd85df MCC |
829 | /* Is the current fh handling it? if so, that's OK */ |
830 | if (dev->resources == fh && dev->is_res_read) | |
831 | return true; | |
832 | ||
833 | return false; | |
834 | } | |
835 | ||
836 | static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh) | |
837 | { | |
838 | /* Is the current fh handling it? if so, that's OK */ | |
839 | if (dev->resources == fh) | |
840 | return true; | |
841 | ||
842 | return false; | |
9701dc94 MCC |
843 | } |
844 | ||
9efd85df MCC |
845 | static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh, |
846 | bool is_res_read) | |
9701dc94 | 847 | { |
9efd85df MCC |
848 | /* Is the current fh handling it? if so, that's OK */ |
849 | if (dev->resources == fh && dev->is_res_read == is_res_read) | |
850 | return true; | |
851 | ||
852 | /* is it free? */ | |
853 | if (dev->resources) | |
854 | return false; | |
855 | ||
856 | /* grab it */ | |
857 | dev->resources = fh; | |
858 | dev->is_res_read = is_res_read; | |
859 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
860 | return true; | |
9701dc94 MCC |
861 | } |
862 | ||
863 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
864 | { | |
9efd85df MCC |
865 | /* Is the current fh handling it? if so, that's OK */ |
866 | if (dev->resources != fh) | |
867 | return; | |
868 | ||
869 | dev->resources = NULL; | |
9701dc94 | 870 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); |
9701dc94 MCC |
871 | } |
872 | ||
873 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
874 | * IOCTL vidioc handling |
875 | * ------------------------------------------------------------------ | |
876 | */ | |
877 | static int vidioc_querycap(struct file *file, void *priv, | |
9701dc94 MCC |
878 | struct v4l2_capability *cap) |
879 | { | |
886a3c0b | 880 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
9701dc94 MCC |
881 | |
882 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
60fbfdfd | 883 | strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
9701dc94 MCC |
884 | cap->version = TM6000_VERSION; |
885 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
886 | V4L2_CAP_STREAMING | | |
886a3c0b | 887 | V4L2_CAP_AUDIO | |
9701dc94 | 888 | V4L2_CAP_READWRITE; |
886a3c0b SR |
889 | |
890 | if (dev->tuner_type != TUNER_ABSENT) | |
891 | cap->capabilities |= V4L2_CAP_TUNER; | |
892 | ||
9701dc94 MCC |
893 | return 0; |
894 | } | |
895 | ||
60fbfdfd | 896 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
897 | struct v4l2_fmtdesc *f) |
898 | { | |
899 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
900 | return -EINVAL; | |
901 | ||
60fbfdfd | 902 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
9701dc94 MCC |
903 | f->pixelformat = format[f->index].fourcc; |
904 | return 0; | |
905 | } | |
906 | ||
60fbfdfd | 907 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
908 | struct v4l2_format *f) |
909 | { | |
60fbfdfd | 910 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
911 | |
912 | f->fmt.pix.width = fh->width; | |
913 | f->fmt.pix.height = fh->height; | |
914 | f->fmt.pix.field = fh->vb_vidq.field; | |
915 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
916 | f->fmt.pix.bytesperline = | |
917 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
918 | f->fmt.pix.sizeimage = | |
919 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
920 | ||
60fbfdfd | 921 | return 0; |
9701dc94 MCC |
922 | } |
923 | ||
60fbfdfd | 924 | static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc) |
9701dc94 MCC |
925 | { |
926 | unsigned int i; | |
927 | ||
928 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
929 | if (format[i].fourcc == fourcc) | |
930 | return format+i; | |
931 | return NULL; | |
932 | } | |
933 | ||
60fbfdfd | 934 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
935 | struct v4l2_format *f) |
936 | { | |
937 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
938 | struct tm6000_fmt *fmt; | |
939 | enum v4l2_field field; | |
940 | ||
941 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
942 | if (NULL == fmt) { | |
943 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
944 | " invalid.\n", f->fmt.pix.pixelformat); | |
945 | return -EINVAL; | |
946 | } | |
947 | ||
948 | field = f->fmt.pix.field; | |
949 | ||
60fbfdfd RP |
950 | if (field == V4L2_FIELD_ANY) |
951 | field = V4L2_FIELD_SEQ_TB; | |
952 | else if (V4L2_FIELD_INTERLACED != field) { | |
9701dc94 MCC |
953 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); |
954 | return -EINVAL; | |
955 | } | |
956 | ||
60fbfdfd | 957 | tm6000_get_std_res(dev); |
9701dc94 | 958 | |
4475c044 MCC |
959 | f->fmt.pix.width = dev->width; |
960 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
961 | |
962 | f->fmt.pix.width &= ~0x01; | |
963 | ||
964 | f->fmt.pix.field = field; | |
965 | ||
966 | f->fmt.pix.bytesperline = | |
967 | (f->fmt.pix.width * fmt->depth) >> 3; | |
968 | f->fmt.pix.sizeimage = | |
969 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
970 | ||
971 | return 0; | |
972 | } | |
973 | ||
974 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
60fbfdfd | 975 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
976 | struct v4l2_format *f) |
977 | { | |
60fbfdfd | 978 | struct tm6000_fh *fh = priv; |
9701dc94 | 979 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 980 | int ret = vidioc_try_fmt_vid_cap(file, fh, f); |
9701dc94 | 981 | if (ret < 0) |
60fbfdfd | 982 | return ret; |
9701dc94 MCC |
983 | |
984 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
985 | fh->width = f->fmt.pix.width; | |
986 | fh->height = f->fmt.pix.height; | |
987 | fh->vb_vidq.field = f->fmt.pix.field; | |
988 | fh->type = f->type; | |
989 | ||
990 | dev->fourcc = f->fmt.pix.pixelformat; | |
991 | ||
992 | tm6000_set_fourcc_format(dev); | |
993 | ||
60fbfdfd | 994 | return 0; |
9701dc94 MCC |
995 | } |
996 | ||
60fbfdfd | 997 | static int vidioc_reqbufs(struct file *file, void *priv, |
9701dc94 MCC |
998 | struct v4l2_requestbuffers *p) |
999 | { | |
60fbfdfd | 1000 | struct tm6000_fh *fh = priv; |
9701dc94 | 1001 | |
60fbfdfd | 1002 | return videobuf_reqbufs(&fh->vb_vidq, p); |
9701dc94 MCC |
1003 | } |
1004 | ||
60fbfdfd | 1005 | static int vidioc_querybuf(struct file *file, void *priv, |
9701dc94 MCC |
1006 | struct v4l2_buffer *p) |
1007 | { | |
60fbfdfd | 1008 | struct tm6000_fh *fh = priv; |
9701dc94 | 1009 | |
60fbfdfd | 1010 | return videobuf_querybuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1011 | } |
1012 | ||
60fbfdfd | 1013 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1014 | { |
60fbfdfd | 1015 | struct tm6000_fh *fh = priv; |
9701dc94 | 1016 | |
60fbfdfd | 1017 | return videobuf_qbuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1018 | } |
1019 | ||
60fbfdfd | 1020 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1021 | { |
60fbfdfd | 1022 | struct tm6000_fh *fh = priv; |
9701dc94 | 1023 | |
60fbfdfd RP |
1024 | return videobuf_dqbuf(&fh->vb_vidq, p, |
1025 | file->f_flags & O_NONBLOCK); | |
9701dc94 MCC |
1026 | } |
1027 | ||
9701dc94 MCC |
1028 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
1029 | { | |
3d1a51db TR |
1030 | struct tm6000_fh *fh = priv; |
1031 | struct tm6000_core *dev = fh->dev; | |
9701dc94 MCC |
1032 | |
1033 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1034 | return -EINVAL; | |
1035 | if (i != fh->type) | |
1036 | return -EINVAL; | |
1037 | ||
9efd85df | 1038 | if (!res_get(dev, fh, false)) |
9701dc94 | 1039 | return -EBUSY; |
ed7c221c | 1040 | return videobuf_streamon(&fh->vb_vidq); |
9701dc94 MCC |
1041 | } |
1042 | ||
1043 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1044 | { | |
3d1a51db TR |
1045 | struct tm6000_fh *fh = priv; |
1046 | struct tm6000_core *dev = fh->dev; | |
9701dc94 MCC |
1047 | |
1048 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1049 | return -EINVAL; | |
3d1a51db | 1050 | |
9701dc94 MCC |
1051 | if (i != fh->type) |
1052 | return -EINVAL; | |
1053 | ||
1054 | videobuf_streamoff(&fh->vb_vidq); | |
ed7c221c | 1055 | res_free(dev, fh); |
9701dc94 | 1056 | |
ed7c221c | 1057 | return 0; |
9701dc94 MCC |
1058 | } |
1059 | ||
ed7c221c | 1060 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) |
9701dc94 | 1061 | { |
ed7c221c | 1062 | int rc = 0; |
3d1a51db | 1063 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1064 | struct tm6000_core *dev = fh->dev; |
1065 | ||
4f52610e | 1066 | dev->norm = *norm; |
709944ea | 1067 | rc = tm6000_init_analog_mode(dev); |
71e7cfae MCC |
1068 | |
1069 | fh->width = dev->width; | |
1070 | fh->height = dev->height; | |
1071 | ||
ed7c221c | 1072 | if (rc < 0) |
9701dc94 MCC |
1073 | return rc; |
1074 | ||
427f7fac | 1075 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
9701dc94 MCC |
1076 | |
1077 | return 0; | |
1078 | } | |
1079 | ||
ed7c221c | 1080 | static const char *iname[] = { |
b8f7bd87 SR |
1081 | [TM6000_INPUT_TV] = "Television", |
1082 | [TM6000_INPUT_COMPOSITE1] = "Composite 1", | |
1083 | [TM6000_INPUT_COMPOSITE2] = "Composite 2", | |
1084 | [TM6000_INPUT_SVIDEO] = "S-Video", | |
1085 | }; | |
1086 | ||
60fbfdfd | 1087 | static int vidioc_enum_input(struct file *file, void *priv, |
b8f7bd87 | 1088 | struct v4l2_input *i) |
9701dc94 | 1089 | { |
2aefbc1a DB |
1090 | struct tm6000_fh *fh = priv; |
1091 | struct tm6000_core *dev = fh->dev; | |
b8f7bd87 | 1092 | unsigned int n; |
2aefbc1a | 1093 | |
b8f7bd87 SR |
1094 | n = i->index; |
1095 | if (n >= 3) | |
9701dc94 | 1096 | return -EINVAL; |
b8f7bd87 SR |
1097 | |
1098 | if (!dev->vinput[n].type) | |
1099 | return -EINVAL; | |
1100 | ||
1101 | i->index = n; | |
1102 | ||
1103 | if (dev->vinput[n].type == TM6000_INPUT_TV) | |
1104 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1105 | else | |
1106 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1107 | ||
1108 | strcpy(i->name, iname[dev->vinput[n].type]); | |
1109 | ||
1110 | i->std = TM6000_STD; | |
9701dc94 MCC |
1111 | |
1112 | return 0; | |
1113 | } | |
1114 | ||
60fbfdfd | 1115 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
9701dc94 | 1116 | { |
60fbfdfd | 1117 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1118 | struct tm6000_core *dev = fh->dev; |
1119 | ||
60fbfdfd | 1120 | *i = dev->input; |
9701dc94 MCC |
1121 | |
1122 | return 0; | |
1123 | } | |
b8f7bd87 | 1124 | |
60fbfdfd | 1125 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
9701dc94 | 1126 | { |
60fbfdfd | 1127 | struct tm6000_fh *fh = priv; |
9701dc94 | 1128 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1129 | int rc = 0; |
9701dc94 | 1130 | |
b8f7bd87 SR |
1131 | if (i >= 3) |
1132 | return -EINVAL; | |
1133 | if (!dev->vinput[i].type) | |
9701dc94 | 1134 | return -EINVAL; |
9701dc94 | 1135 | |
b8f7bd87 SR |
1136 | dev->input = i; |
1137 | ||
1138 | rc = vidioc_s_std(file, priv, &dev->vfd->current_norm); | |
9701dc94 | 1139 | |
60fbfdfd | 1140 | return rc; |
9701dc94 MCC |
1141 | } |
1142 | ||
886a3c0b | 1143 | /* --- controls ---------------------------------------------- */ |
60fbfdfd | 1144 | static int vidioc_queryctrl(struct file *file, void *priv, |
9701dc94 MCC |
1145 | struct v4l2_queryctrl *qc) |
1146 | { | |
1147 | int i; | |
1148 | ||
1149 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1150 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1151 | memcpy(qc, &(tm6000_qctrl[i]), | |
1152 | sizeof(*qc)); | |
60fbfdfd | 1153 | return 0; |
9701dc94 MCC |
1154 | } |
1155 | ||
1156 | return -EINVAL; | |
1157 | } | |
1158 | ||
60fbfdfd | 1159 | static int vidioc_g_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1160 | struct v4l2_control *ctrl) |
1161 | { | |
60fbfdfd | 1162 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1163 | struct tm6000_core *dev = fh->dev; |
1164 | int val; | |
1165 | ||
1166 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1167 | switch (ctrl->id) { | |
1168 | case V4L2_CID_CONTRAST: | |
9afec493 | 1169 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
9701dc94 MCC |
1170 | break; |
1171 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1172 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
9701dc94 MCC |
1173 | return 0; |
1174 | case V4L2_CID_SATURATION: | |
9afec493 | 1175 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
9701dc94 MCC |
1176 | return 0; |
1177 | case V4L2_CID_HUE: | |
9afec493 | 1178 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
9701dc94 | 1179 | return 0; |
8aff8ba9 DB |
1180 | case V4L2_CID_AUDIO_MUTE: |
1181 | val = dev->ctl_mute; | |
1182 | return 0; | |
1183 | case V4L2_CID_AUDIO_VOLUME: | |
1184 | val = dev->ctl_volume; | |
1185 | return 0; | |
9701dc94 MCC |
1186 | default: |
1187 | return -EINVAL; | |
1188 | } | |
1189 | ||
60fbfdfd | 1190 | if (val < 0) |
9701dc94 MCC |
1191 | return val; |
1192 | ||
60fbfdfd | 1193 | ctrl->value = val; |
9701dc94 MCC |
1194 | |
1195 | return 0; | |
1196 | } | |
60fbfdfd | 1197 | static int vidioc_s_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1198 | struct v4l2_control *ctrl) |
1199 | { | |
60fbfdfd | 1200 | struct tm6000_fh *fh = priv; |
9701dc94 | 1201 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1202 | u8 val = ctrl->value; |
9701dc94 MCC |
1203 | |
1204 | switch (ctrl->id) { | |
1205 | case V4L2_CID_CONTRAST: | |
60fbfdfd | 1206 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
9701dc94 MCC |
1207 | return 0; |
1208 | case V4L2_CID_BRIGHTNESS: | |
60fbfdfd | 1209 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1210 | return 0; |
1211 | case V4L2_CID_SATURATION: | |
60fbfdfd | 1212 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1213 | return 0; |
1214 | case V4L2_CID_HUE: | |
60fbfdfd | 1215 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
9701dc94 | 1216 | return 0; |
8aff8ba9 DB |
1217 | case V4L2_CID_AUDIO_MUTE: |
1218 | dev->ctl_mute = val; | |
1219 | tm6000_tvaudio_set_mute(dev, val); | |
1220 | return 0; | |
1221 | case V4L2_CID_AUDIO_VOLUME: | |
1222 | dev->ctl_volume = val; | |
1223 | tm6000_set_volume(dev, val); | |
1224 | return 0; | |
9701dc94 MCC |
1225 | } |
1226 | return -EINVAL; | |
1227 | } | |
1228 | ||
60fbfdfd | 1229 | static int vidioc_g_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1230 | struct v4l2_tuner *t) |
1231 | { | |
60fbfdfd | 1232 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1233 | struct tm6000_core *dev = fh->dev; |
1234 | ||
1235 | if (unlikely(UNSET == dev->tuner_type)) | |
1236 | return -EINVAL; | |
1237 | if (0 != t->index) | |
1238 | return -EINVAL; | |
1239 | ||
1240 | strcpy(t->name, "Television"); | |
1241 | t->type = V4L2_TUNER_ANALOG_TV; | |
1242 | t->capability = V4L2_TUNER_CAP_NORM; | |
1243 | t->rangehigh = 0xffffffffUL; | |
886a3c0b SR |
1244 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
1245 | ||
1246 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1247 | ||
1248 | t->audmode = dev->amode; | |
9701dc94 MCC |
1249 | |
1250 | return 0; | |
1251 | } | |
1252 | ||
60fbfdfd | 1253 | static int vidioc_s_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1254 | struct v4l2_tuner *t) |
1255 | { | |
60fbfdfd | 1256 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1257 | struct tm6000_core *dev = fh->dev; |
1258 | ||
1259 | if (UNSET == dev->tuner_type) | |
1260 | return -EINVAL; | |
1261 | if (0 != t->index) | |
1262 | return -EINVAL; | |
1263 | ||
886a3c0b SR |
1264 | dev->amode = t->audmode; |
1265 | dprintk(dev, 3, "audio mode: %x\n", t->audmode); | |
1266 | ||
1267 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); | |
0f6040e8 | 1268 | |
9701dc94 MCC |
1269 | return 0; |
1270 | } | |
1271 | ||
60fbfdfd | 1272 | static int vidioc_g_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1273 | struct v4l2_frequency *f) |
1274 | { | |
60fbfdfd | 1275 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1276 | struct tm6000_core *dev = fh->dev; |
1277 | ||
1278 | if (unlikely(UNSET == dev->tuner_type)) | |
1279 | return -EINVAL; | |
1280 | ||
8aff8ba9 | 1281 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
9701dc94 MCC |
1282 | f->frequency = dev->freq; |
1283 | ||
427f7fac | 1284 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1285 | |
1286 | return 0; | |
1287 | } | |
1288 | ||
60fbfdfd | 1289 | static int vidioc_s_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1290 | struct v4l2_frequency *f) |
1291 | { | |
60fbfdfd | 1292 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1293 | struct tm6000_core *dev = fh->dev; |
1294 | ||
9701dc94 MCC |
1295 | if (unlikely(UNSET == dev->tuner_type)) |
1296 | return -EINVAL; | |
1297 | if (unlikely(f->tuner != 0)) | |
1298 | return -EINVAL; | |
8aff8ba9 DB |
1299 | if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) |
1300 | return -EINVAL; | |
1301 | if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) | |
1302 | return -EINVAL; | |
9701dc94 | 1303 | |
9701dc94 | 1304 | dev->freq = f->frequency; |
64d339d4 | 1305 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1306 | |
1307 | return 0; | |
1308 | } | |
1309 | ||
8aff8ba9 DB |
1310 | static int radio_querycap(struct file *file, void *priv, |
1311 | struct v4l2_capability *cap) | |
1312 | { | |
1313 | struct tm6000_fh *fh = file->private_data; | |
1314 | struct tm6000_core *dev = fh->dev; | |
1315 | ||
1316 | strcpy(cap->driver, "tm6000"); | |
1317 | strlcpy(cap->card, dev->name, sizeof(dev->name)); | |
1318 | sprintf(cap->bus_info, "USB%04x:%04x", | |
1319 | le16_to_cpu(dev->udev->descriptor.idVendor), | |
1320 | le16_to_cpu(dev->udev->descriptor.idProduct)); | |
1321 | cap->version = dev->dev_type; | |
886a3c0b SR |
1322 | cap->capabilities = V4L2_CAP_TUNER | |
1323 | V4L2_CAP_AUDIO | | |
1324 | V4L2_CAP_RADIO | | |
1325 | V4L2_CAP_READWRITE | | |
1326 | V4L2_CAP_STREAMING; | |
8aff8ba9 DB |
1327 | |
1328 | return 0; | |
1329 | } | |
1330 | ||
1331 | static int radio_g_tuner(struct file *file, void *priv, | |
1332 | struct v4l2_tuner *t) | |
1333 | { | |
1334 | struct tm6000_fh *fh = file->private_data; | |
1335 | struct tm6000_core *dev = fh->dev; | |
1336 | ||
1337 | if (0 != t->index) | |
1338 | return -EINVAL; | |
1339 | ||
1340 | memset(t, 0, sizeof(*t)); | |
1341 | strcpy(t->name, "Radio"); | |
1342 | t->type = V4L2_TUNER_RADIO; | |
886a3c0b | 1343 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
8aff8ba9 DB |
1344 | |
1345 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1346 | ||
8aff8ba9 DB |
1347 | return 0; |
1348 | } | |
1349 | ||
1350 | static int radio_s_tuner(struct file *file, void *priv, | |
1351 | struct v4l2_tuner *t) | |
1352 | { | |
1353 | struct tm6000_fh *fh = file->private_data; | |
1354 | struct tm6000_core *dev = fh->dev; | |
1355 | ||
1356 | if (0 != t->index) | |
1357 | return -EINVAL; | |
1358 | ||
1359 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); | |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | static int radio_enum_input(struct file *file, void *priv, | |
1365 | struct v4l2_input *i) | |
1366 | { | |
b8f7bd87 SR |
1367 | struct tm6000_fh *fh = priv; |
1368 | struct tm6000_core *dev = fh->dev; | |
1369 | ||
8aff8ba9 DB |
1370 | if (i->index != 0) |
1371 | return -EINVAL; | |
1372 | ||
b8f7bd87 SR |
1373 | if (!dev->rinput.type) |
1374 | return -EINVAL; | |
1375 | ||
8aff8ba9 DB |
1376 | strcpy(i->name, "Radio"); |
1377 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1378 | ||
1379 | return 0; | |
1380 | } | |
1381 | ||
1382 | static int radio_g_input(struct file *filp, void *priv, unsigned int *i) | |
1383 | { | |
b8f7bd87 SR |
1384 | struct tm6000_fh *fh = priv; |
1385 | struct tm6000_core *dev = fh->dev; | |
1386 | ||
ed7c221c | 1387 | if (dev->input != 5) |
b8f7bd87 SR |
1388 | return -EINVAL; |
1389 | ||
ed7c221c | 1390 | *i = dev->input - 5; |
b8f7bd87 | 1391 | |
8aff8ba9 DB |
1392 | return 0; |
1393 | } | |
1394 | ||
1395 | static int radio_g_audio(struct file *file, void *priv, | |
1396 | struct v4l2_audio *a) | |
1397 | { | |
1398 | memset(a, 0, sizeof(*a)); | |
1399 | strcpy(a->name, "Radio"); | |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | static int radio_s_audio(struct file *file, void *priv, | |
1404 | struct v4l2_audio *a) | |
1405 | { | |
1406 | return 0; | |
1407 | } | |
1408 | ||
1409 | static int radio_s_input(struct file *filp, void *priv, unsigned int i) | |
1410 | { | |
b8f7bd87 SR |
1411 | struct tm6000_fh *fh = priv; |
1412 | struct tm6000_core *dev = fh->dev; | |
1413 | ||
1414 | if (i) | |
1415 | return -EINVAL; | |
1416 | ||
1417 | if (!dev->rinput.type) | |
1418 | return -EINVAL; | |
1419 | ||
1420 | dev->input = i + 5; | |
1421 | ||
8aff8ba9 DB |
1422 | return 0; |
1423 | } | |
1424 | ||
1425 | static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) | |
1426 | { | |
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | static int radio_queryctrl(struct file *file, void *priv, | |
1431 | struct v4l2_queryctrl *c) | |
1432 | { | |
1433 | const struct v4l2_queryctrl *ctrl; | |
1434 | ||
1435 | if (c->id < V4L2_CID_BASE || | |
1436 | c->id >= V4L2_CID_LASTP1) | |
1437 | return -EINVAL; | |
1438 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
1439 | ctrl = ctrl_by_id(c->id); | |
1440 | *c = *ctrl; | |
1441 | } else | |
1442 | *c = no_ctrl; | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
9701dc94 MCC |
1447 | /* ------------------------------------------------------------------ |
1448 | File operations for the device | |
1449 | ------------------------------------------------------------------*/ | |
1450 | ||
64d339d4 | 1451 | static int tm6000_open(struct file *file) |
9701dc94 | 1452 | { |
0a34df53 MCC |
1453 | struct video_device *vdev = video_devdata(file); |
1454 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 | 1455 | struct tm6000_fh *fh; |
e8d04167 | 1456 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
60fbfdfd | 1457 | int i, rc; |
8aff8ba9 | 1458 | int radio = 0; |
9701dc94 | 1459 | |
0a34df53 MCC |
1460 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1461 | video_device_node_name(vdev)); | |
9701dc94 | 1462 | |
8aff8ba9 DB |
1463 | switch (vdev->vfl_type) { |
1464 | case VFL_TYPE_GRABBER: | |
1465 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1466 | break; | |
1467 | case VFL_TYPE_VBI: | |
1468 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1469 | break; | |
1470 | case VFL_TYPE_RADIO: | |
1471 | radio = 1; | |
1472 | break; | |
1473 | } | |
9701dc94 MCC |
1474 | |
1475 | /* If more than one user, mutex should be added */ | |
1476 | dev->users++; | |
1477 | ||
0a34df53 MCC |
1478 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1479 | video_device_node_name(vdev), v4l2_type_names[type], | |
1480 | dev->users); | |
9701dc94 MCC |
1481 | |
1482 | /* allocate + initialize per filehandle data */ | |
60fbfdfd | 1483 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
9701dc94 MCC |
1484 | if (NULL == fh) { |
1485 | dev->users--; | |
1486 | return -ENOMEM; | |
1487 | } | |
1488 | ||
1489 | file->private_data = fh; | |
1490 | fh->dev = dev; | |
8aff8ba9 DB |
1491 | fh->radio = radio; |
1492 | dev->radio = radio; | |
1493 | fh->type = type; | |
9701dc94 MCC |
1494 | dev->fourcc = format[0].fourcc; |
1495 | ||
1496 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 | 1497 | |
ed7c221c | 1498 | tm6000_get_std_res(dev); |
4475c044 | 1499 | |
3d1a51db TR |
1500 | fh->width = dev->width; |
1501 | fh->height = dev->height; | |
9701dc94 MCC |
1502 | |
1503 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1504 | "dev->vidq=0x%08lx\n", | |
3d1a51db TR |
1505 | (unsigned long)fh, (unsigned long)dev, |
1506 | (unsigned long)&dev->vidq); | |
9701dc94 | 1507 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
ed7c221c | 1508 | "queued=%d\n", list_empty(&dev->vidq.queued)); |
9701dc94 | 1509 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
ed7c221c | 1510 | "active=%d\n", list_empty(&dev->vidq.active)); |
9701dc94 MCC |
1511 | |
1512 | /* initialize hardware on analog mode */ | |
589851d5 MCC |
1513 | rc = tm6000_init_analog_mode(dev); |
1514 | if (rc < 0) | |
1515 | return rc; | |
9701dc94 | 1516 | |
589851d5 | 1517 | if (dev->mode != TM6000_MODE_ANALOG) { |
9701dc94 MCC |
1518 | /* Put all controls at a sane state */ |
1519 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
589851d5 | 1520 | qctl_regs[i] = tm6000_qctrl[i].default_value; |
9701dc94 | 1521 | |
589851d5 MCC |
1522 | dev->mode = TM6000_MODE_ANALOG; |
1523 | } | |
9701dc94 MCC |
1524 | |
1525 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1526 | NULL, &dev->slock, | |
1527 | fh->type, | |
1528 | V4L2_FIELD_INTERLACED, | |
dc961136 | 1529 | sizeof(struct tm6000_buffer), fh, &dev->lock); |
9701dc94 | 1530 | |
8aff8ba9 DB |
1531 | if (fh->radio) { |
1532 | dprintk(dev, V4L2_DEBUG_OPEN, "video_open: setting radio device\n"); | |
0f6040e8 SR |
1533 | dev->input = 5; |
1534 | tm6000_set_audio_rinput(dev); | |
8aff8ba9 DB |
1535 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); |
1536 | tm6000_prepare_isoc(dev); | |
1537 | tm6000_start_thread(dev); | |
1538 | } | |
8aff8ba9 | 1539 | |
9701dc94 MCC |
1540 | return 0; |
1541 | } | |
1542 | ||
1543 | static ssize_t | |
1544 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1545 | { | |
1546 | struct tm6000_fh *fh = file->private_data; | |
1547 | ||
ed7c221c | 1548 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
9efd85df | 1549 | if (!res_get(fh->dev, fh, true)) |
9701dc94 MCC |
1550 | return -EBUSY; |
1551 | ||
1552 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
1553 | file->f_flags & O_NONBLOCK); | |
1554 | } | |
1555 | return 0; | |
1556 | } | |
1557 | ||
1558 | static unsigned int | |
1559 | tm6000_poll(struct file *file, struct poll_table_struct *wait) | |
1560 | { | |
1561 | struct tm6000_fh *fh = file->private_data; | |
1562 | struct tm6000_buffer *buf; | |
1563 | ||
1564 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1565 | return POLLERR; | |
1566 | ||
9efd85df MCC |
1567 | if (!!is_res_streaming(fh->dev, fh)) |
1568 | return POLLERR; | |
1569 | ||
1570 | if (!is_res_read(fh->dev, fh)) { | |
9701dc94 MCC |
1571 | /* streaming capture */ |
1572 | if (list_empty(&fh->vb_vidq.stream)) | |
1573 | return POLLERR; | |
ed7c221c | 1574 | buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream); |
9701dc94 MCC |
1575 | } else { |
1576 | /* read() capture */ | |
3d1a51db | 1577 | return videobuf_poll_stream(file, &fh->vb_vidq, wait); |
9701dc94 MCC |
1578 | } |
1579 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1580 | if (buf->vb.state == VIDEOBUF_DONE || |
1581 | buf->vb.state == VIDEOBUF_ERROR) | |
60fbfdfd | 1582 | return POLLIN | POLLRDNORM; |
9701dc94 MCC |
1583 | return 0; |
1584 | } | |
1585 | ||
64d339d4 | 1586 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1587 | { |
1588 | struct tm6000_fh *fh = file->private_data; | |
1589 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1590 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1591 | |
0a34df53 MCC |
1592 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1593 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1594 | |
a58d35cb MCC |
1595 | dev->users--; |
1596 | ||
9efd85df | 1597 | res_free(dev, fh); |
a58d35cb | 1598 | if (!dev->users) { |
c144c037 | 1599 | tm6000_uninit_isoc(dev); |
a58d35cb MCC |
1600 | videobuf_mmap_free(&fh->vb_vidq); |
1601 | } | |
9701dc94 | 1602 | |
60fbfdfd | 1603 | kfree(fh); |
9701dc94 | 1604 | |
9701dc94 MCC |
1605 | return 0; |
1606 | } | |
1607 | ||
1608 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1609 | { | |
3d1a51db | 1610 | struct tm6000_fh *fh = file->private_data; |
9701dc94 | 1611 | |
3d1a51db | 1612 | return videobuf_mmap_mapper(&fh->vb_vidq, vma); |
9701dc94 MCC |
1613 | } |
1614 | ||
64d339d4 | 1615 | static struct v4l2_file_operations tm6000_fops = { |
3d1a51db TR |
1616 | .owner = THIS_MODULE, |
1617 | .open = tm6000_open, | |
1618 | .release = tm6000_release, | |
1619 | .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
1620 | .read = tm6000_read, | |
1621 | .poll = tm6000_poll, | |
1622 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1623 | }; |
1624 | ||
2a8145d4 MCC |
1625 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1626 | .vidioc_querycap = vidioc_querycap, | |
1627 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1628 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1629 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1630 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1631 | .vidioc_s_std = vidioc_s_std, | |
1632 | .vidioc_enum_input = vidioc_enum_input, | |
1633 | .vidioc_g_input = vidioc_g_input, | |
1634 | .vidioc_s_input = vidioc_s_input, | |
1635 | .vidioc_queryctrl = vidioc_queryctrl, | |
1636 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1637 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1638 | .vidioc_g_tuner = vidioc_g_tuner, | |
1639 | .vidioc_s_tuner = vidioc_s_tuner, | |
1640 | .vidioc_g_frequency = vidioc_g_frequency, | |
1641 | .vidioc_s_frequency = vidioc_s_frequency, | |
1642 | .vidioc_streamon = vidioc_streamon, | |
1643 | .vidioc_streamoff = vidioc_streamoff, | |
1644 | .vidioc_reqbufs = vidioc_reqbufs, | |
1645 | .vidioc_querybuf = vidioc_querybuf, | |
1646 | .vidioc_qbuf = vidioc_qbuf, | |
1647 | .vidioc_dqbuf = vidioc_dqbuf, | |
2a8145d4 MCC |
1648 | }; |
1649 | ||
9701dc94 MCC |
1650 | static struct video_device tm6000_template = { |
1651 | .name = "tm6000", | |
9701dc94 | 1652 | .fops = &tm6000_fops, |
2a8145d4 | 1653 | .ioctl_ops = &video_ioctl_ops, |
9701dc94 | 1654 | .release = video_device_release, |
2a8145d4 MCC |
1655 | .tvnorms = TM6000_STD, |
1656 | .current_norm = V4L2_STD_NTSC_M, | |
9701dc94 | 1657 | }; |
2a8145d4 | 1658 | |
8aff8ba9 | 1659 | static const struct v4l2_file_operations radio_fops = { |
1f385717 SR |
1660 | .owner = THIS_MODULE, |
1661 | .open = tm6000_open, | |
1662 | .release = tm6000_release, | |
1663 | .unlocked_ioctl = video_ioctl2, | |
8aff8ba9 DB |
1664 | }; |
1665 | ||
1666 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
1667 | .vidioc_querycap = radio_querycap, | |
1668 | .vidioc_g_tuner = radio_g_tuner, | |
1669 | .vidioc_enum_input = radio_enum_input, | |
1670 | .vidioc_g_audio = radio_g_audio, | |
1671 | .vidioc_s_tuner = radio_s_tuner, | |
1672 | .vidioc_s_audio = radio_s_audio, | |
1673 | .vidioc_s_input = radio_s_input, | |
1674 | .vidioc_s_std = radio_s_std, | |
1675 | .vidioc_queryctrl = radio_queryctrl, | |
1676 | .vidioc_g_input = radio_g_input, | |
1677 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1678 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1679 | .vidioc_g_frequency = vidioc_g_frequency, | |
1680 | .vidioc_s_frequency = vidioc_s_frequency, | |
1681 | }; | |
1682 | ||
3d1a51db | 1683 | static struct video_device tm6000_radio_template = { |
8aff8ba9 DB |
1684 | .name = "tm6000", |
1685 | .fops = &radio_fops, | |
ed7c221c | 1686 | .ioctl_ops = &radio_ioctl_ops, |
8aff8ba9 DB |
1687 | }; |
1688 | ||
9701dc94 | 1689 | /* ----------------------------------------------------------------- |
60fbfdfd RP |
1690 | * Initialization and module stuff |
1691 | * ------------------------------------------------------------------ | |
1692 | */ | |
9701dc94 | 1693 | |
3c61be44 DB |
1694 | static struct video_device *vdev_init(struct tm6000_core *dev, |
1695 | const struct video_device | |
1696 | *template, const char *type_name) | |
9701dc94 | 1697 | { |
7c3f53ec ML |
1698 | struct video_device *vfd; |
1699 | ||
1700 | vfd = video_device_alloc(); | |
3c61be44 DB |
1701 | if (NULL == vfd) |
1702 | return NULL; | |
1703 | ||
1704 | *vfd = *template; | |
1705 | vfd->v4l2_dev = &dev->v4l2_dev; | |
1706 | vfd->release = video_device_release; | |
1707 | vfd->debug = tm6000_debug; | |
1708 | vfd->lock = &dev->lock; | |
1709 | ||
1710 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); | |
1711 | ||
1712 | video_set_drvdata(vfd, dev); | |
1713 | return vfd; | |
1714 | } | |
1715 | ||
1716 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1717 | { | |
1718 | int ret = -1; | |
1719 | ||
1720 | dev->vfd = vdev_init(dev, &tm6000_template, "video"); | |
1721 | ||
1722 | if (!dev->vfd) { | |
1723 | printk(KERN_INFO "%s: can't register video device\n", | |
1724 | dev->name); | |
7c3f53ec ML |
1725 | return -ENOMEM; |
1726 | } | |
9701dc94 | 1727 | |
9701dc94 MCC |
1728 | /* init video dma queues */ |
1729 | INIT_LIST_HEAD(&dev->vidq.active); | |
1730 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1731 | ||
3c61be44 | 1732 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
dc961136 | 1733 | |
3c61be44 DB |
1734 | if (ret < 0) { |
1735 | printk(KERN_INFO "%s: can't register video device\n", | |
1736 | dev->name); | |
1737 | return ret; | |
1738 | } | |
1739 | ||
1740 | printk(KERN_INFO "%s: registered device %s\n", | |
1741 | dev->name, video_device_node_name(dev->vfd)); | |
9701dc94 | 1742 | |
14169107 SR |
1743 | if (dev->caps.has_radio) { |
1744 | dev->radio_dev = vdev_init(dev, &tm6000_radio_template, | |
1745 | "radio"); | |
1746 | if (!dev->radio_dev) { | |
1747 | printk(KERN_INFO "%s: can't register radio device\n", | |
1748 | dev->name); | |
1749 | return ret; /* FIXME release resource */ | |
1750 | } | |
8aff8ba9 | 1751 | |
14169107 SR |
1752 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, |
1753 | radio_nr); | |
1754 | if (ret < 0) { | |
1755 | printk(KERN_INFO "%s: can't register radio device\n", | |
1756 | dev->name); | |
1757 | return ret; /* FIXME release resource */ | |
1758 | } | |
8aff8ba9 | 1759 | |
14169107 SR |
1760 | printk(KERN_INFO "%s: registered device %s\n", |
1761 | dev->name, video_device_node_name(dev->radio_dev)); | |
1762 | } | |
8aff8ba9 | 1763 | |
e28f49b0 | 1764 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 MCC |
1765 | return ret; |
1766 | } | |
1767 | ||
1768 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1769 | { | |
7c3f53ec | 1770 | video_unregister_device(dev->vfd); |
22927e8e | 1771 | |
8aff8ba9 DB |
1772 | if (dev->radio_dev) { |
1773 | if (video_is_registered(dev->radio_dev)) | |
1774 | video_unregister_device(dev->radio_dev); | |
1775 | else | |
1776 | video_device_release(dev->radio_dev); | |
1777 | dev->radio_dev = NULL; | |
1778 | } | |
1779 | ||
9701dc94 MCC |
1780 | return 0; |
1781 | } | |
1782 | ||
1783 | int tm6000_v4l2_exit(void) | |
1784 | { | |
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | module_param(video_nr, int, 0); | |
60fbfdfd | 1789 | MODULE_PARM_DESC(video_nr, "Allow changing video device number"); |
9701dc94 | 1790 | |
60fbfdfd RP |
1791 | module_param_named(debug, tm6000_debug, int, 0444); |
1792 | MODULE_PARM_DESC(debug, "activates debug info"); | |
9701dc94 | 1793 | |
60fbfdfd RP |
1794 | module_param(vid_limit, int, 0644); |
1795 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
9701dc94 | 1796 |