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 | ||
16427faf JS |
52 | #define TM6000_NUM_URB_BUF 8 |
53 | ||
5a4b55e2 | 54 | #define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ |
ee1fc07c | 55 | |
9701dc94 MCC |
56 | /* Declare static vars that will be used as parameters */ |
57 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
58 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
8aff8ba9 | 59 | static int radio_nr = -1; /* /dev/radioN, -1 for autodetect */ |
b391b0ef | 60 | static bool keep_urb; /* keep urb buffers allocated */ |
9701dc94 | 61 | |
9701dc94 MCC |
62 | /* Debug level */ |
63 | int tm6000_debug; | |
faa7c134 | 64 | EXPORT_SYMBOL_GPL(tm6000_debug); |
9701dc94 | 65 | |
8aff8ba9 DB |
66 | static const struct v4l2_queryctrl no_ctrl = { |
67 | .name = "42", | |
68 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
69 | }; | |
70 | ||
9701dc94 MCC |
71 | /* supported controls */ |
72 | static struct v4l2_queryctrl tm6000_qctrl[] = { | |
73 | { | |
74 | .id = V4L2_CID_BRIGHTNESS, | |
75 | .type = V4L2_CTRL_TYPE_INTEGER, | |
76 | .name = "Brightness", | |
77 | .minimum = 0, | |
78 | .maximum = 255, | |
79 | .step = 1, | |
80 | .default_value = 54, | |
81 | .flags = 0, | |
82 | }, { | |
83 | .id = V4L2_CID_CONTRAST, | |
84 | .type = V4L2_CTRL_TYPE_INTEGER, | |
85 | .name = "Contrast", | |
86 | .minimum = 0, | |
87 | .maximum = 255, | |
88 | .step = 0x1, | |
89 | .default_value = 119, | |
90 | .flags = 0, | |
91 | }, { | |
92 | .id = V4L2_CID_SATURATION, | |
93 | .type = V4L2_CTRL_TYPE_INTEGER, | |
94 | .name = "Saturation", | |
95 | .minimum = 0, | |
96 | .maximum = 255, | |
97 | .step = 0x1, | |
98 | .default_value = 112, | |
99 | .flags = 0, | |
100 | }, { | |
101 | .id = V4L2_CID_HUE, | |
102 | .type = V4L2_CTRL_TYPE_INTEGER, | |
103 | .name = "Hue", | |
104 | .minimum = -128, | |
105 | .maximum = 127, | |
106 | .step = 0x1, | |
c4acf48c | 107 | .default_value = 0, |
9701dc94 | 108 | .flags = 0, |
8aff8ba9 DB |
109 | }, |
110 | /* --- audio --- */ | |
111 | { | |
112 | .id = V4L2_CID_AUDIO_MUTE, | |
113 | .name = "Mute", | |
114 | .minimum = 0, | |
115 | .maximum = 1, | |
116 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
117 | }, { | |
118 | .id = V4L2_CID_AUDIO_VOLUME, | |
119 | .name = "Volume", | |
120 | .minimum = -15, | |
121 | .maximum = 15, | |
122 | .step = 1, | |
123 | .default_value = 0, | |
124 | .type = V4L2_CTRL_TYPE_INTEGER, | |
9701dc94 MCC |
125 | } |
126 | }; | |
127 | ||
8aff8ba9 | 128 | static const unsigned int CTRLS = ARRAY_SIZE(tm6000_qctrl); |
9701dc94 MCC |
129 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; |
130 | ||
131 | static struct tm6000_fmt format[] = { | |
132 | { | |
133 | .name = "4:2:2, packed, YVY2", | |
134 | .fourcc = V4L2_PIX_FMT_YUYV, | |
135 | .depth = 16, | |
c4acf48c | 136 | }, { |
9701dc94 MCC |
137 | .name = "4:2:2, packed, UYVY", |
138 | .fourcc = V4L2_PIX_FMT_UYVY, | |
139 | .depth = 16, | |
c4acf48c | 140 | }, { |
9701dc94 MCC |
141 | .name = "A/V + VBI mux packet", |
142 | .fourcc = V4L2_PIX_FMT_TM6000, | |
143 | .depth = 16, | |
144 | } | |
145 | }; | |
146 | ||
8aff8ba9 DB |
147 | static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) |
148 | { | |
149 | unsigned int i; | |
150 | ||
151 | for (i = 0; i < CTRLS; i++) | |
152 | if (tm6000_qctrl[i].id == id) | |
153 | return tm6000_qctrl+i; | |
154 | return NULL; | |
155 | } | |
156 | ||
9701dc94 | 157 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
158 | * DMA and thread functions |
159 | * ------------------------------------------------------------------ | |
160 | */ | |
9701dc94 MCC |
161 | |
162 | #define norm_maxw(a) 720 | |
4475c044 | 163 | #define norm_maxh(a) 576 |
9701dc94 | 164 | |
9701dc94 MCC |
165 | #define norm_minw(a) norm_maxw(a) |
166 | #define norm_minh(a) norm_maxh(a) | |
167 | ||
168 | /* | |
169 | * video-buf generic routine to get the next available buffer | |
170 | */ | |
721f507b | 171 | static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, |
c4acf48c | 172 | struct tm6000_buffer **buf) |
9701dc94 | 173 | { |
c4acf48c | 174 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
9701dc94 MCC |
175 | |
176 | if (list_empty(&dma_q->active)) { | |
c4acf48c | 177 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
1f9305b7 | 178 | *buf = NULL; |
721f507b | 179 | return; |
9701dc94 MCC |
180 | } |
181 | ||
182 | *buf = list_entry(dma_q->active.next, | |
183 | struct tm6000_buffer, vb.queue); | |
9701dc94 MCC |
184 | } |
185 | ||
186 | /* | |
187 | * Announces that a buffer were filled and request the next | |
188 | */ | |
c4acf48c MCC |
189 | static inline void buffer_filled(struct tm6000_core *dev, |
190 | struct tm6000_dmaqueue *dma_q, | |
191 | struct tm6000_buffer *buf) | |
9701dc94 MCC |
192 | { |
193 | /* Advice that buffer was filled */ | |
c4acf48c | 194 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
47878f16 | 195 | buf->vb.state = VIDEOBUF_DONE; |
9701dc94 MCC |
196 | buf->vb.field_count++; |
197 | do_gettimeofday(&buf->vb.ts); | |
198 | ||
199 | list_del(&buf->vb.queue); | |
200 | wake_up(&buf->vb.done); | |
201 | } | |
202 | ||
9701dc94 MCC |
203 | /* |
204 | * Identify the tm5600/6000 buffer header type and properly handles | |
205 | */ | |
4b6ed9fd SR |
206 | static int copy_streams(u8 *data, unsigned long len, |
207 | struct urb *urb) | |
e2c9500d MCC |
208 | { |
209 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd | 210 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
8173090a | 211 | u8 *ptr = data, *endp = data+len; |
60fbfdfd RP |
212 | unsigned long header = 0; |
213 | int rc = 0; | |
83cb9a50 | 214 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
cc73b4b5 | 215 | struct tm6000_buffer *vbuf = NULL; |
83cb9a50 SR |
216 | char *voutp = NULL; |
217 | unsigned int linewidth; | |
218 | ||
8aff8ba9 DB |
219 | if (!dev->radio) { |
220 | /* get video buffer */ | |
221 | get_next_buf(dma_q, &vbuf); | |
222 | ||
223 | if (!vbuf) | |
224 | return rc; | |
225 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
226 | ||
227 | if (!voutp) | |
228 | return 0; | |
229 | } | |
ed0236af | 230 | |
83cb9a50 | 231 | for (ptr = data; ptr < endp;) { |
ed0236af | 232 | if (!dev->isoc_ctl.cmd) { |
83cb9a50 SR |
233 | /* Header */ |
234 | if (dev->isoc_ctl.tmp_buf_len > 0) { | |
235 | /* from last urb or packet */ | |
236 | header = dev->isoc_ctl.tmp_buf; | |
237 | if (4 - dev->isoc_ctl.tmp_buf_len > 0) { | |
60fbfdfd | 238 | memcpy((u8 *)&header + |
801dd3b3 | 239 | dev->isoc_ctl.tmp_buf_len, |
ed0236af | 240 | ptr, |
801dd3b3 MCC |
241 | 4 - dev->isoc_ctl.tmp_buf_len); |
242 | ptr += 4 - dev->isoc_ctl.tmp_buf_len; | |
ed0236af | 243 | } |
83cb9a50 SR |
244 | dev->isoc_ctl.tmp_buf_len = 0; |
245 | } else { | |
246 | if (ptr + 3 >= endp) { | |
247 | /* have incomplete header */ | |
248 | dev->isoc_ctl.tmp_buf_len = endp - ptr; | |
60fbfdfd | 249 | memcpy(&dev->isoc_ctl.tmp_buf, ptr, |
83cb9a50 SR |
250 | dev->isoc_ctl.tmp_buf_len); |
251 | return rc; | |
252 | } | |
253 | /* Seek for sync */ | |
254 | for (; ptr < endp - 3; ptr++) { | |
255 | if (*(ptr + 3) == 0x47) | |
256 | break; | |
257 | } | |
258 | /* Get message header */ | |
259 | header = *(unsigned long *)ptr; | |
260 | ptr += 4; | |
ed0236af | 261 | } |
23ba9463 | 262 | |
83cb9a50 | 263 | /* split the header fields */ |
83cb9a50 SR |
264 | size = ((header & 0x7e) << 1); |
265 | if (size > 0) | |
266 | size -= 4; | |
267 | block = (header >> 7) & 0xf; | |
268 | field = (header >> 11) & 0x1; | |
269 | line = (header >> 12) & 0x1ff; | |
270 | cmd = (header >> 21) & 0x7; | |
271 | /* Validates haeder fields */ | |
272 | if (size > TM6000_URB_MSG_LEN) | |
273 | size = TM6000_URB_MSG_LEN; | |
274 | pktsize = TM6000_URB_MSG_LEN; | |
3d1a51db TR |
275 | /* |
276 | * calculate position in buffer and change the buffer | |
83cb9a50 SR |
277 | */ |
278 | switch (cmd) { | |
279 | case TM6000_URB_MSG_VIDEO: | |
8aff8ba9 DB |
280 | if (!dev->radio) { |
281 | if ((dev->isoc_ctl.vfield != field) && | |
282 | (field == 1)) { | |
3d1a51db TR |
283 | /* |
284 | * Announces that a new buffer | |
285 | * were filled | |
286 | */ | |
8aff8ba9 DB |
287 | buffer_filled(dev, dma_q, vbuf); |
288 | dprintk(dev, V4L2_DEBUG_ISOC, | |
83cb9a50 | 289 | "new buffer filled\n"); |
8aff8ba9 DB |
290 | get_next_buf(dma_q, &vbuf); |
291 | if (!vbuf) | |
292 | return rc; | |
293 | voutp = videobuf_to_vmalloc(&vbuf->vb); | |
294 | if (!voutp) | |
295 | return rc; | |
296 | memset(voutp, 0, vbuf->vb.size); | |
297 | } | |
298 | linewidth = vbuf->vb.width << 1; | |
299 | pos = ((line << 1) - field - 1) * | |
300 | linewidth + block * TM6000_URB_MSG_LEN; | |
301 | /* Don't allow to write out of the buffer */ | |
302 | if (pos + size > vbuf->vb.size) | |
303 | cmd = TM6000_URB_MSG_ERR; | |
304 | dev->isoc_ctl.vfield = field; | |
cc73b4b5 | 305 | } |
83cb9a50 | 306 | break; |
83cb9a50 | 307 | case TM6000_URB_MSG_VBI: |
23ba9463 MCC |
308 | break; |
309 | case TM6000_URB_MSG_AUDIO: | |
83cb9a50 | 310 | case TM6000_URB_MSG_PTS: |
3d1a51db | 311 | size = pktsize; /* Size is always 180 bytes */ |
83cb9a50 | 312 | break; |
9701dc94 | 313 | } |
83cb9a50 SR |
314 | } else { |
315 | /* Continue the last copy */ | |
316 | cmd = dev->isoc_ctl.cmd; | |
317 | size = dev->isoc_ctl.size; | |
318 | pos = dev->isoc_ctl.pos; | |
319 | pktsize = dev->isoc_ctl.pktsize; | |
423c79e3 | 320 | field = dev->isoc_ctl.field; |
83cb9a50 SR |
321 | } |
322 | cpysize = (endp - ptr > size) ? size : endp - ptr; | |
323 | if (cpysize) { | |
324 | /* copy data in different buffers */ | |
325 | switch (cmd) { | |
326 | case TM6000_URB_MSG_VIDEO: | |
327 | /* Fills video buffer */ | |
328 | if (vbuf) | |
60fbfdfd | 329 | memcpy(&voutp[pos], ptr, cpysize); |
83cb9a50 | 330 | break; |
7ecff8c9 SR |
331 | case TM6000_URB_MSG_AUDIO: { |
332 | int i; | |
333 | for (i = 0; i < cpysize; i += 2) | |
334 | swab16s((u16 *)(ptr + i)); | |
73f4d265 | 335 | |
b17b8699 | 336 | tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); |
83cb9a50 | 337 | break; |
7ecff8c9 | 338 | } |
83cb9a50 SR |
339 | case TM6000_URB_MSG_VBI: |
340 | /* Need some code to copy vbi buffer */ | |
341 | break; | |
2f349daa | 342 | case TM6000_URB_MSG_PTS: { |
83cb9a50 | 343 | /* Need some code to copy pts */ |
2f349daa SR |
344 | u32 pts; |
345 | pts = *(u32 *)ptr; | |
423c79e3 SR |
346 | dprintk(dev, V4L2_DEBUG_ISOC, "field %d, PTS %x", |
347 | field, pts); | |
83cb9a50 | 348 | break; |
cc6c60d9 | 349 | } |
2f349daa | 350 | } |
ed0236af | 351 | } |
ccfb3028 | 352 | if (ptr + pktsize > endp) { |
3d1a51db TR |
353 | /* |
354 | * End of URB packet, but cmd processing is not | |
83cb9a50 SR |
355 | * complete. Preserve the state for a next packet |
356 | */ | |
357 | dev->isoc_ctl.pos = pos + cpysize; | |
358 | dev->isoc_ctl.size = size - cpysize; | |
359 | dev->isoc_ctl.cmd = cmd; | |
423c79e3 | 360 | dev->isoc_ctl.field = field; |
83cb9a50 | 361 | dev->isoc_ctl.pktsize = pktsize - (endp - ptr); |
ccfb3028 | 362 | ptr += endp - ptr; |
83cb9a50 SR |
363 | } else { |
364 | dev->isoc_ctl.cmd = 0; | |
365 | ptr += pktsize; | |
a228618c | 366 | } |
9701dc94 | 367 | } |
a228618c | 368 | return 0; |
9701dc94 | 369 | } |
83cb9a50 | 370 | |
9701dc94 MCC |
371 | /* |
372 | * Identify the tm5600/6000 buffer header type and properly handles | |
373 | */ | |
4b6ed9fd SR |
374 | static int copy_multiplexed(u8 *ptr, unsigned long len, |
375 | struct urb *urb) | |
9701dc94 MCC |
376 | { |
377 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
378 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
379 | unsigned int pos = dev->isoc_ctl.pos, cpysize; | |
380 | int rc = 1; | |
4b6ed9fd SR |
381 | struct tm6000_buffer *buf; |
382 | char *outp = NULL; | |
383 | ||
384 | get_next_buf(dma_q, &buf); | |
385 | if (buf) | |
386 | outp = videobuf_to_vmalloc(&buf->vb); | |
387 | ||
388 | if (!outp) | |
389 | return 0; | |
ed0236af | 390 | |
60fbfdfd RP |
391 | while (len > 0) { |
392 | cpysize = min(len, buf->vb.size-pos); | |
4b6ed9fd | 393 | memcpy(&outp[pos], ptr, cpysize); |
60fbfdfd RP |
394 | pos += cpysize; |
395 | ptr += cpysize; | |
396 | len -= cpysize; | |
4b6ed9fd | 397 | if (pos >= buf->vb.size) { |
60fbfdfd | 398 | pos = 0; |
9701dc94 | 399 | /* Announces that a new buffer were filled */ |
60fbfdfd | 400 | buffer_filled(dev, dma_q, buf); |
5f796752 | 401 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
60fbfdfd | 402 | get_next_buf(dma_q, &buf); |
4b6ed9fd | 403 | if (!buf) |
9701dc94 | 404 | break; |
4b6ed9fd SR |
405 | outp = videobuf_to_vmalloc(&(buf->vb)); |
406 | if (!outp) | |
e8a4845d MCC |
407 | return rc; |
408 | pos = 0; | |
9701dc94 MCC |
409 | } |
410 | } | |
411 | ||
60fbfdfd | 412 | dev->isoc_ctl.pos = pos; |
9701dc94 MCC |
413 | return rc; |
414 | } | |
415 | ||
60fbfdfd | 416 | static inline void print_err_status(struct tm6000_core *dev, |
ed0236af | 417 | int packet, int status) |
5f796752 MCC |
418 | { |
419 | char *errmsg = "Unknown"; | |
420 | ||
60fbfdfd | 421 | switch (status) { |
5f796752 MCC |
422 | case -ENOENT: |
423 | errmsg = "unlinked synchronuously"; | |
424 | break; | |
425 | case -ECONNRESET: | |
426 | errmsg = "unlinked asynchronuously"; | |
427 | break; | |
428 | case -ENOSR: | |
429 | errmsg = "Buffer error (overrun)"; | |
430 | break; | |
431 | case -EPIPE: | |
432 | errmsg = "Stalled (device not responding)"; | |
433 | break; | |
434 | case -EOVERFLOW: | |
435 | errmsg = "Babble (bad cable?)"; | |
436 | break; | |
437 | case -EPROTO: | |
438 | errmsg = "Bit-stuff error (bad cable?)"; | |
439 | break; | |
440 | case -EILSEQ: | |
441 | errmsg = "CRC/Timeout (could be anything)"; | |
442 | break; | |
443 | case -ETIME: | |
444 | errmsg = "Device does not respond"; | |
445 | break; | |
446 | } | |
60fbfdfd | 447 | if (packet < 0) { |
5f796752 MCC |
448 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
449 | status, errmsg); | |
450 | } else { | |
ed0236af | 451 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", |
5f796752 MCC |
452 | packet, status, errmsg); |
453 | } | |
454 | } | |
455 | ||
456 | ||
9701dc94 MCC |
457 | /* |
458 | * Controls the isoc copy of each urb packet | |
459 | */ | |
e8a4845d | 460 | static inline int tm6000_isoc_copy(struct urb *urb) |
9701dc94 MCC |
461 | { |
462 | struct tm6000_dmaqueue *dma_q = urb->context; | |
60fbfdfd RP |
463 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
464 | int i, len = 0, rc = 1, status; | |
4b6ed9fd | 465 | char *p; |
9701dc94 | 466 | |
4b6ed9fd | 467 | if (urb->status < 0) { |
60fbfdfd | 468 | print_err_status(dev, -1, urb->status); |
5f796752 MCC |
469 | return 0; |
470 | } | |
9701dc94 MCC |
471 | |
472 | for (i = 0; i < urb->number_of_packets; i++) { | |
4b6ed9fd | 473 | status = urb->iso_frame_desc[i].status; |
9701dc94 | 474 | |
60fbfdfd RP |
475 | if (status < 0) { |
476 | print_err_status(dev, i, status); | |
9701dc94 | 477 | continue; |
5f796752 | 478 | } |
9701dc94 | 479 | |
4b6ed9fd | 480 | len = urb->iso_frame_desc[i].actual_length; |
ed0236af | 481 | |
4b6ed9fd SR |
482 | if (len > 0) { |
483 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ed0236af | 484 | if (!urb->iso_frame_desc[i].status) { |
60fbfdfd RP |
485 | if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) { |
486 | rc = copy_multiplexed(p, len, urb); | |
487 | if (rc <= 0) | |
ed0236af MCC |
488 | return rc; |
489 | } else { | |
4b6ed9fd | 490 | copy_streams(p, len, urb); |
ed0236af MCC |
491 | } |
492 | } | |
4b6ed9fd | 493 | } |
9701dc94 | 494 | } |
9701dc94 MCC |
495 | return rc; |
496 | } | |
497 | ||
498 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
499 | * URB control |
500 | * ------------------------------------------------------------------ | |
501 | */ | |
9701dc94 MCC |
502 | |
503 | /* | |
504 | * IRQ callback, called by URB callback | |
505 | */ | |
506 | static void tm6000_irq_callback(struct urb *urb) | |
507 | { | |
9701dc94 | 508 | struct tm6000_dmaqueue *dma_q = urb->context; |
c4acf48c | 509 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
e8a4845d | 510 | int i; |
9701dc94 | 511 | |
14f09154 TR |
512 | switch (urb->status) { |
513 | case 0: | |
514 | case -ETIMEDOUT: | |
515 | break; | |
516 | ||
517 | case -ECONNRESET: | |
518 | case -ENOENT: | |
519 | case -ESHUTDOWN: | |
721f507b | 520 | return; |
a228618c | 521 | |
14f09154 TR |
522 | default: |
523 | tm6000_err("urb completion error %d.\n", urb->status); | |
524 | break; | |
525 | } | |
526 | ||
e8a4845d MCC |
527 | spin_lock(&dev->slock); |
528 | tm6000_isoc_copy(urb); | |
529 | spin_unlock(&dev->slock); | |
9701dc94 | 530 | |
e8a4845d MCC |
531 | /* Reset urb buffers */ |
532 | for (i = 0; i < urb->number_of_packets; i++) { | |
533 | urb->iso_frame_desc[i].status = 0; | |
534 | urb->iso_frame_desc[i].actual_length = 0; | |
535 | } | |
9701dc94 | 536 | |
c4acf48c MCC |
537 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
538 | if (urb->status) | |
9701dc94 MCC |
539 | tm6000_err("urb resubmit failed (error=%i)\n", |
540 | urb->status); | |
9701dc94 MCC |
541 | } |
542 | ||
16427faf JS |
543 | /* |
544 | * Allocate URB buffers | |
545 | */ | |
546 | static int tm6000_alloc_urb_buffers(struct tm6000_core *dev) | |
547 | { | |
548 | int num_bufs = TM6000_NUM_URB_BUF; | |
549 | int i; | |
550 | ||
551 | if (dev->urb_buffer != NULL) | |
552 | return 0; | |
553 | ||
554 | dev->urb_buffer = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
555 | if (!dev->urb_buffer) { | |
556 | tm6000_err("cannot allocate memory for urb buffers\n"); | |
557 | return -ENOMEM; | |
558 | } | |
559 | ||
560 | dev->urb_dma = kmalloc(sizeof(dma_addr_t *)*num_bufs, GFP_KERNEL); | |
561 | if (!dev->urb_dma) { | |
562 | tm6000_err("cannot allocate memory for urb dma pointers\n"); | |
563 | return -ENOMEM; | |
564 | } | |
565 | ||
566 | for (i = 0; i < num_bufs; i++) { | |
567 | dev->urb_buffer[i] = usb_alloc_coherent( | |
568 | dev->udev, dev->urb_size, | |
569 | GFP_KERNEL, &dev->urb_dma[i]); | |
570 | if (!dev->urb_buffer[i]) { | |
571 | tm6000_err("unable to allocate %i bytes for transfer buffer %i\n", | |
572 | dev->urb_size, i); | |
573 | return -ENOMEM; | |
574 | } | |
575 | memset(dev->urb_buffer[i], 0, dev->urb_size); | |
576 | } | |
577 | ||
578 | return 0; | |
579 | } | |
580 | ||
581 | /* | |
582 | * Free URB buffers | |
583 | */ | |
584 | static int tm6000_free_urb_buffers(struct tm6000_core *dev) | |
585 | { | |
586 | int i; | |
587 | ||
588 | if (dev->urb_buffer == NULL) | |
589 | return 0; | |
590 | ||
591 | for (i = 0; i < TM6000_NUM_URB_BUF; i++) { | |
592 | if (dev->urb_buffer[i]) { | |
593 | usb_free_coherent(dev->udev, | |
594 | dev->urb_size, | |
595 | dev->urb_buffer[i], | |
596 | dev->urb_dma[i]); | |
597 | dev->urb_buffer[i] = NULL; | |
598 | } | |
599 | } | |
600 | kfree(dev->urb_buffer); | |
601 | kfree(dev->urb_dma); | |
602 | dev->urb_buffer = NULL; | |
603 | dev->urb_dma = NULL; | |
604 | ||
605 | return 0; | |
606 | } | |
607 | ||
9701dc94 MCC |
608 | /* |
609 | * Stop and Deallocate URBs | |
610 | */ | |
611 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
612 | { | |
613 | struct urb *urb; | |
614 | int i; | |
615 | ||
ee1fc07c | 616 | dev->isoc_ctl.buf = NULL; |
9701dc94 | 617 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
60fbfdfd | 618 | urb = dev->isoc_ctl.urb[i]; |
9701dc94 MCC |
619 | if (urb) { |
620 | usb_kill_urb(urb); | |
621 | usb_unlink_urb(urb); | |
9701dc94 MCC |
622 | usb_free_urb(urb); |
623 | dev->isoc_ctl.urb[i] = NULL; | |
624 | } | |
625 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
626 | } | |
627 | ||
16427faf JS |
628 | if (!keep_urb) |
629 | tm6000_free_urb_buffers(dev); | |
630 | ||
60fbfdfd RP |
631 | kfree(dev->isoc_ctl.urb); |
632 | kfree(dev->isoc_ctl.transfer_buffer); | |
c144c037 | 633 | |
60fbfdfd RP |
634 | dev->isoc_ctl.urb = NULL; |
635 | dev->isoc_ctl.transfer_buffer = NULL; | |
c144c037 | 636 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
637 | } |
638 | ||
9701dc94 | 639 | /* |
16427faf | 640 | * Assign URBs and start IRQ |
9701dc94 | 641 | */ |
8aff8ba9 | 642 | static int tm6000_prepare_isoc(struct tm6000_core *dev) |
9701dc94 MCC |
643 | { |
644 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
16427faf JS |
645 | int i, j, sb_size, pipe, size, max_packets; |
646 | int num_bufs = TM6000_NUM_URB_BUF; | |
9701dc94 | 647 | struct urb *urb; |
204193d9 | 648 | |
9701dc94 MCC |
649 | /* De-allocates all pending stuff */ |
650 | tm6000_uninit_isoc(dev); | |
641d2116 DB |
651 | /* Stop interrupt USB pipe */ |
652 | tm6000_ir_int_stop(dev); | |
9701dc94 | 653 | |
6ae635c4 MCC |
654 | usb_set_interface(dev->udev, |
655 | dev->isoc_in.bInterfaceNumber, | |
656 | dev->isoc_in.bAlternateSetting); | |
657 | ||
641d2116 DB |
658 | /* Start interrupt USB pipe */ |
659 | tm6000_ir_int_start(dev); | |
660 | ||
ee1fc07c | 661 | pipe = usb_rcvisocpipe(dev->udev, |
6ae635c4 | 662 | dev->isoc_in.endp->desc.bEndpointAddress & |
ee1fc07c MCC |
663 | USB_ENDPOINT_NUMBER_MASK); |
664 | ||
665 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
666 | ||
6ae635c4 MCC |
667 | if (size > dev->isoc_in.maxsize) |
668 | size = dev->isoc_in.maxsize; | |
ee1fc07c MCC |
669 | |
670 | dev->isoc_ctl.max_pkt_size = size; | |
671 | ||
8aff8ba9 | 672 | max_packets = TM6000_MAX_ISO_PACKETS; |
ee1fc07c | 673 | sb_size = max_packets * size; |
16427faf | 674 | dev->urb_size = sb_size; |
ee1fc07c MCC |
675 | |
676 | dev->isoc_ctl.num_bufs = num_bufs; | |
677 | ||
c144c037 | 678 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
679 | if (!dev->isoc_ctl.urb) { |
680 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
681 | return -ENOMEM; | |
682 | } | |
683 | ||
ee1fc07c | 684 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 | 685 | GFP_KERNEL); |
f8960ee7 | 686 | if (!dev->isoc_ctl.transfer_buffer) { |
9701dc94 MCC |
687 | tm6000_err("cannot allocate memory for usbtransfer\n"); |
688 | kfree(dev->isoc_ctl.urb); | |
689 | return -ENOMEM; | |
690 | } | |
691 | ||
ee1fc07c MCC |
692 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
693 | " (%d bytes) of %d bytes each to handle %u size\n", | |
694 | max_packets, num_bufs, sb_size, | |
6ae635c4 | 695 | dev->isoc_in.maxsize, size); |
9701dc94 | 696 | |
16427faf JS |
697 | |
698 | if (!dev->urb_buffer && tm6000_alloc_urb_buffers(dev) < 0) { | |
699 | tm6000_err("cannot allocate memory for urb buffers\n"); | |
700 | ||
701 | /* call free, as some buffers might have been allocated */ | |
702 | tm6000_free_urb_buffers(dev); | |
703 | kfree(dev->isoc_ctl.urb); | |
704 | kfree(dev->isoc_ctl.transfer_buffer); | |
705 | return -ENOMEM; | |
706 | } | |
707 | ||
9701dc94 MCC |
708 | /* allocate urbs and transfer buffers */ |
709 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
710 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
711 | if (!urb) { | |
712 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
713 | tm6000_uninit_isoc(dev); | |
c1a16414 | 714 | usb_free_urb(urb); |
9701dc94 MCC |
715 | return -ENOMEM; |
716 | } | |
717 | dev->isoc_ctl.urb[i] = urb; | |
718 | ||
16427faf JS |
719 | urb->transfer_dma = dev->urb_dma[i]; |
720 | dev->isoc_ctl.transfer_buffer[i] = dev->urb_buffer[i]; | |
9701dc94 | 721 | |
ee1fc07c MCC |
722 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
723 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
724 | tm6000_irq_callback, dma_q); | |
6ae635c4 | 725 | urb->interval = dev->isoc_in.endp->desc.bInterval; |
9701dc94 | 726 | urb->number_of_packets = max_packets; |
ee1fc07c | 727 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 728 | |
9701dc94 | 729 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
730 | urb->iso_frame_desc[j].offset = size * j; |
731 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
732 | } |
733 | } | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
60fbfdfd | 738 | static int tm6000_start_thread(struct tm6000_core *dev) |
9701dc94 | 739 | { |
c144c037 MCC |
740 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
741 | int i; | |
9701dc94 | 742 | |
60fbfdfd RP |
743 | dma_q->frame = 0; |
744 | dma_q->ini_jiffies = jiffies; | |
9701dc94 MCC |
745 | |
746 | init_waitqueue_head(&dma_q->wq); | |
747 | ||
748 | /* submit urbs and enables IRQ */ | |
749 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 750 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
751 | if (rc) { |
752 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
753 | rc); | |
754 | tm6000_uninit_isoc(dev); | |
755 | return rc; | |
756 | } | |
757 | } | |
758 | ||
9701dc94 MCC |
759 | return 0; |
760 | } | |
761 | ||
9701dc94 | 762 | /* ------------------------------------------------------------------ |
60fbfdfd RP |
763 | * Videobuf operations |
764 | * ------------------------------------------------------------------ | |
765 | */ | |
95a83824 | 766 | |
9701dc94 MCC |
767 | static int |
768 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
769 | { | |
770 | struct tm6000_fh *fh = vq->priv_data; | |
771 | ||
772 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
773 | if (0 == *count) | |
95a83824 ML |
774 | *count = TM6000_DEF_BUF; |
775 | ||
60fbfdfd RP |
776 | if (*count < TM6000_MIN_BUF) |
777 | *count = TM6000_MIN_BUF; | |
95a83824 | 778 | |
9701dc94 MCC |
779 | while (*size * *count > vid_limit * 1024 * 1024) |
780 | (*count)--; | |
95a83824 | 781 | |
9701dc94 MCC |
782 | return 0; |
783 | } | |
784 | ||
785 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
786 | { | |
721f507b MCC |
787 | struct tm6000_fh *fh = vq->priv_data; |
788 | struct tm6000_core *dev = fh->dev; | |
789 | unsigned long flags; | |
790 | ||
9701dc94 MCC |
791 | if (in_interrupt()) |
792 | BUG(); | |
793 | ||
721f507b MCC |
794 | /* We used to wait for the buffer to finish here, but this didn't work |
795 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
796 | videobuf_queue_cancel marked it as finished for us. | |
797 | (Also, it could wedge forever if the hardware was misconfigured.) | |
798 | ||
799 | This should be safe; by the time we get here, the buffer isn't | |
800 | queued anymore. If we ever start marking the buffers as | |
801 | VIDEOBUF_ACTIVE, it won't be, though. | |
802 | */ | |
803 | spin_lock_irqsave(&dev->slock, flags); | |
804 | if (dev->isoc_ctl.buf == buf) | |
805 | dev->isoc_ctl.buf = NULL; | |
806 | spin_unlock_irqrestore(&dev->slock, flags); | |
807 | ||
9701dc94 | 808 | videobuf_vmalloc_free(&buf->vb); |
47878f16 | 809 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
810 | } |
811 | ||
812 | static int | |
813 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
814 | enum v4l2_field field) | |
815 | { | |
816 | struct tm6000_fh *fh = vq->priv_data; | |
60fbfdfd | 817 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 818 | struct tm6000_core *dev = fh->dev; |
88e834a8 | 819 | int rc = 0; |
9701dc94 MCC |
820 | |
821 | BUG_ON(NULL == fh->fmt); | |
822 | ||
9701dc94 MCC |
823 | |
824 | /* FIXME: It assumes depth=2 */ | |
825 | /* The only currently supported format is 16 bits/pixel */ | |
826 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
827 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
828 | return -EINVAL; | |
829 | ||
830 | if (buf->fmt != fh->fmt || | |
831 | buf->vb.width != fh->width || | |
832 | buf->vb.height != fh->height || | |
833 | buf->vb.field != field) { | |
834 | buf->fmt = fh->fmt; | |
835 | buf->vb.width = fh->width; | |
836 | buf->vb.height = fh->height; | |
837 | buf->vb.field = field; | |
47878f16 | 838 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
839 | } |
840 | ||
47878f16 | 841 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ed7c221c CM |
842 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
843 | if (rc != 0) | |
9701dc94 | 844 | goto fail; |
9701dc94 MCC |
845 | } |
846 | ||
88e834a8 | 847 | if (!dev->isoc_ctl.num_bufs) { |
8aff8ba9 | 848 | rc = tm6000_prepare_isoc(dev); |
c144c037 MCC |
849 | if (rc < 0) |
850 | goto fail; | |
ee1fc07c | 851 | |
c144c037 | 852 | rc = tm6000_start_thread(dev); |
ee1fc07c | 853 | if (rc < 0) |
9701dc94 | 854 | goto fail; |
c144c037 | 855 | |
9701dc94 MCC |
856 | } |
857 | ||
47878f16 | 858 | buf->vb.state = VIDEOBUF_PREPARED; |
9701dc94 MCC |
859 | return 0; |
860 | ||
861 | fail: | |
ee1fc07c | 862 | free_buffer(vq, buf); |
9701dc94 MCC |
863 | return rc; |
864 | } | |
865 | ||
866 | static void | |
867 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
868 | { | |
60fbfdfd | 869 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 MCC |
870 | struct tm6000_fh *fh = vq->priv_data; |
871 | struct tm6000_core *dev = fh->dev; | |
872 | struct tm6000_dmaqueue *vidq = &dev->vidq; | |
c144c037 MCC |
873 | |
874 | buf->vb.state = VIDEOBUF_QUEUED; | |
875 | list_add_tail(&buf->vb.queue, &vidq->active); | |
9701dc94 MCC |
876 | } |
877 | ||
878 | static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
879 | { | |
60fbfdfd | 880 | struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); |
9701dc94 | 881 | |
60fbfdfd | 882 | free_buffer(vq, buf); |
9701dc94 MCC |
883 | } |
884 | ||
885 | static struct videobuf_queue_ops tm6000_video_qops = { | |
886 | .buf_setup = buffer_setup, | |
887 | .buf_prepare = buffer_prepare, | |
888 | .buf_queue = buffer_queue, | |
889 | .buf_release = buffer_release, | |
890 | }; | |
891 | ||
892 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
893 | * IOCTL handling |
894 | * ------------------------------------------------------------------ | |
895 | */ | |
9701dc94 | 896 | |
9efd85df | 897 | static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh) |
9701dc94 | 898 | { |
9efd85df MCC |
899 | /* Is the current fh handling it? if so, that's OK */ |
900 | if (dev->resources == fh && dev->is_res_read) | |
901 | return true; | |
902 | ||
903 | return false; | |
904 | } | |
905 | ||
906 | static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh) | |
907 | { | |
908 | /* Is the current fh handling it? if so, that's OK */ | |
909 | if (dev->resources == fh) | |
910 | return true; | |
911 | ||
912 | return false; | |
9701dc94 MCC |
913 | } |
914 | ||
9efd85df MCC |
915 | static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh, |
916 | bool is_res_read) | |
9701dc94 | 917 | { |
9efd85df MCC |
918 | /* Is the current fh handling it? if so, that's OK */ |
919 | if (dev->resources == fh && dev->is_res_read == is_res_read) | |
920 | return true; | |
921 | ||
922 | /* is it free? */ | |
923 | if (dev->resources) | |
924 | return false; | |
925 | ||
926 | /* grab it */ | |
927 | dev->resources = fh; | |
928 | dev->is_res_read = is_res_read; | |
929 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
930 | return true; | |
9701dc94 MCC |
931 | } |
932 | ||
933 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
934 | { | |
9efd85df MCC |
935 | /* Is the current fh handling it? if so, that's OK */ |
936 | if (dev->resources != fh) | |
937 | return; | |
938 | ||
939 | dev->resources = NULL; | |
9701dc94 | 940 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); |
9701dc94 MCC |
941 | } |
942 | ||
943 | /* ------------------------------------------------------------------ | |
60fbfdfd RP |
944 | * IOCTL vidioc handling |
945 | * ------------------------------------------------------------------ | |
946 | */ | |
947 | static int vidioc_querycap(struct file *file, void *priv, | |
9701dc94 MCC |
948 | struct v4l2_capability *cap) |
949 | { | |
886a3c0b | 950 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; |
9701dc94 MCC |
951 | |
952 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
60fbfdfd | 953 | strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); |
9701dc94 MCC |
954 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
955 | V4L2_CAP_STREAMING | | |
886a3c0b | 956 | V4L2_CAP_AUDIO | |
9701dc94 | 957 | V4L2_CAP_READWRITE; |
886a3c0b SR |
958 | |
959 | if (dev->tuner_type != TUNER_ABSENT) | |
960 | cap->capabilities |= V4L2_CAP_TUNER; | |
961 | ||
9701dc94 MCC |
962 | return 0; |
963 | } | |
964 | ||
60fbfdfd | 965 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
966 | struct v4l2_fmtdesc *f) |
967 | { | |
968 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
969 | return -EINVAL; | |
970 | ||
60fbfdfd | 971 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
9701dc94 MCC |
972 | f->pixelformat = format[f->index].fourcc; |
973 | return 0; | |
974 | } | |
975 | ||
60fbfdfd | 976 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
977 | struct v4l2_format *f) |
978 | { | |
60fbfdfd | 979 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
980 | |
981 | f->fmt.pix.width = fh->width; | |
982 | f->fmt.pix.height = fh->height; | |
983 | f->fmt.pix.field = fh->vb_vidq.field; | |
984 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
985 | f->fmt.pix.bytesperline = | |
986 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
987 | f->fmt.pix.sizeimage = | |
988 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
989 | ||
60fbfdfd | 990 | return 0; |
9701dc94 MCC |
991 | } |
992 | ||
60fbfdfd | 993 | static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc) |
9701dc94 MCC |
994 | { |
995 | unsigned int i; | |
996 | ||
997 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
998 | if (format[i].fourcc == fourcc) | |
999 | return format+i; | |
1000 | return NULL; | |
1001 | } | |
1002 | ||
60fbfdfd | 1003 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
1004 | struct v4l2_format *f) |
1005 | { | |
1006 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
1007 | struct tm6000_fmt *fmt; | |
1008 | enum v4l2_field field; | |
1009 | ||
1010 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1011 | if (NULL == fmt) { | |
1012 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
1013 | " invalid.\n", f->fmt.pix.pixelformat); | |
1014 | return -EINVAL; | |
1015 | } | |
1016 | ||
1017 | field = f->fmt.pix.field; | |
1018 | ||
60fbfdfd RP |
1019 | if (field == V4L2_FIELD_ANY) |
1020 | field = V4L2_FIELD_SEQ_TB; | |
1021 | else if (V4L2_FIELD_INTERLACED != field) { | |
9701dc94 MCC |
1022 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); |
1023 | return -EINVAL; | |
1024 | } | |
1025 | ||
60fbfdfd | 1026 | tm6000_get_std_res(dev); |
9701dc94 | 1027 | |
4475c044 MCC |
1028 | f->fmt.pix.width = dev->width; |
1029 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
1030 | |
1031 | f->fmt.pix.width &= ~0x01; | |
1032 | ||
1033 | f->fmt.pix.field = field; | |
1034 | ||
1035 | f->fmt.pix.bytesperline = | |
1036 | (f->fmt.pix.width * fmt->depth) >> 3; | |
1037 | f->fmt.pix.sizeimage = | |
1038 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
60fbfdfd | 1044 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
9701dc94 MCC |
1045 | struct v4l2_format *f) |
1046 | { | |
60fbfdfd | 1047 | struct tm6000_fh *fh = priv; |
9701dc94 | 1048 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1049 | int ret = vidioc_try_fmt_vid_cap(file, fh, f); |
9701dc94 | 1050 | if (ret < 0) |
60fbfdfd | 1051 | return ret; |
9701dc94 MCC |
1052 | |
1053 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1054 | fh->width = f->fmt.pix.width; | |
1055 | fh->height = f->fmt.pix.height; | |
1056 | fh->vb_vidq.field = f->fmt.pix.field; | |
1057 | fh->type = f->type; | |
1058 | ||
1059 | dev->fourcc = f->fmt.pix.pixelformat; | |
1060 | ||
1061 | tm6000_set_fourcc_format(dev); | |
1062 | ||
60fbfdfd | 1063 | return 0; |
9701dc94 MCC |
1064 | } |
1065 | ||
60fbfdfd | 1066 | static int vidioc_reqbufs(struct file *file, void *priv, |
9701dc94 MCC |
1067 | struct v4l2_requestbuffers *p) |
1068 | { | |
60fbfdfd | 1069 | struct tm6000_fh *fh = priv; |
9701dc94 | 1070 | |
60fbfdfd | 1071 | return videobuf_reqbufs(&fh->vb_vidq, p); |
9701dc94 MCC |
1072 | } |
1073 | ||
60fbfdfd | 1074 | static int vidioc_querybuf(struct file *file, void *priv, |
9701dc94 MCC |
1075 | struct v4l2_buffer *p) |
1076 | { | |
60fbfdfd | 1077 | struct tm6000_fh *fh = priv; |
9701dc94 | 1078 | |
60fbfdfd | 1079 | return videobuf_querybuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1080 | } |
1081 | ||
60fbfdfd | 1082 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1083 | { |
60fbfdfd | 1084 | struct tm6000_fh *fh = priv; |
9701dc94 | 1085 | |
60fbfdfd | 1086 | return videobuf_qbuf(&fh->vb_vidq, p); |
9701dc94 MCC |
1087 | } |
1088 | ||
60fbfdfd | 1089 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
9701dc94 | 1090 | { |
60fbfdfd | 1091 | struct tm6000_fh *fh = priv; |
9701dc94 | 1092 | |
60fbfdfd RP |
1093 | return videobuf_dqbuf(&fh->vb_vidq, p, |
1094 | file->f_flags & O_NONBLOCK); | |
9701dc94 MCC |
1095 | } |
1096 | ||
9701dc94 MCC |
1097 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
1098 | { | |
3d1a51db TR |
1099 | struct tm6000_fh *fh = priv; |
1100 | struct tm6000_core *dev = fh->dev; | |
9701dc94 MCC |
1101 | |
1102 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1103 | return -EINVAL; | |
1104 | if (i != fh->type) | |
1105 | return -EINVAL; | |
1106 | ||
9efd85df | 1107 | if (!res_get(dev, fh, false)) |
9701dc94 | 1108 | return -EBUSY; |
ed7c221c | 1109 | return videobuf_streamon(&fh->vb_vidq); |
9701dc94 MCC |
1110 | } |
1111 | ||
1112 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1113 | { | |
3d1a51db TR |
1114 | struct tm6000_fh *fh = priv; |
1115 | struct tm6000_core *dev = fh->dev; | |
9701dc94 MCC |
1116 | |
1117 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1118 | return -EINVAL; | |
3d1a51db | 1119 | |
9701dc94 MCC |
1120 | if (i != fh->type) |
1121 | return -EINVAL; | |
1122 | ||
1123 | videobuf_streamoff(&fh->vb_vidq); | |
ed7c221c | 1124 | res_free(dev, fh); |
9701dc94 | 1125 | |
ed7c221c | 1126 | return 0; |
9701dc94 MCC |
1127 | } |
1128 | ||
ed7c221c | 1129 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) |
9701dc94 | 1130 | { |
ed7c221c | 1131 | int rc = 0; |
3d1a51db | 1132 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1133 | struct tm6000_core *dev = fh->dev; |
1134 | ||
4f52610e | 1135 | dev->norm = *norm; |
709944ea | 1136 | rc = tm6000_init_analog_mode(dev); |
71e7cfae MCC |
1137 | |
1138 | fh->width = dev->width; | |
1139 | fh->height = dev->height; | |
1140 | ||
ed7c221c | 1141 | if (rc < 0) |
9701dc94 MCC |
1142 | return rc; |
1143 | ||
427f7fac | 1144 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
9701dc94 MCC |
1145 | |
1146 | return 0; | |
1147 | } | |
1148 | ||
ed7c221c | 1149 | static const char *iname[] = { |
b8f7bd87 SR |
1150 | [TM6000_INPUT_TV] = "Television", |
1151 | [TM6000_INPUT_COMPOSITE1] = "Composite 1", | |
1152 | [TM6000_INPUT_COMPOSITE2] = "Composite 2", | |
1153 | [TM6000_INPUT_SVIDEO] = "S-Video", | |
1154 | }; | |
1155 | ||
60fbfdfd | 1156 | static int vidioc_enum_input(struct file *file, void *priv, |
b8f7bd87 | 1157 | struct v4l2_input *i) |
9701dc94 | 1158 | { |
2aefbc1a DB |
1159 | struct tm6000_fh *fh = priv; |
1160 | struct tm6000_core *dev = fh->dev; | |
b8f7bd87 | 1161 | unsigned int n; |
2aefbc1a | 1162 | |
b8f7bd87 SR |
1163 | n = i->index; |
1164 | if (n >= 3) | |
9701dc94 | 1165 | return -EINVAL; |
b8f7bd87 SR |
1166 | |
1167 | if (!dev->vinput[n].type) | |
1168 | return -EINVAL; | |
1169 | ||
1170 | i->index = n; | |
1171 | ||
1172 | if (dev->vinput[n].type == TM6000_INPUT_TV) | |
1173 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1174 | else | |
1175 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1176 | ||
1177 | strcpy(i->name, iname[dev->vinput[n].type]); | |
1178 | ||
1179 | i->std = TM6000_STD; | |
9701dc94 MCC |
1180 | |
1181 | return 0; | |
1182 | } | |
1183 | ||
60fbfdfd | 1184 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
9701dc94 | 1185 | { |
60fbfdfd | 1186 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1187 | struct tm6000_core *dev = fh->dev; |
1188 | ||
60fbfdfd | 1189 | *i = dev->input; |
9701dc94 MCC |
1190 | |
1191 | return 0; | |
1192 | } | |
b8f7bd87 | 1193 | |
60fbfdfd | 1194 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) |
9701dc94 | 1195 | { |
60fbfdfd | 1196 | struct tm6000_fh *fh = priv; |
9701dc94 | 1197 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1198 | int rc = 0; |
9701dc94 | 1199 | |
b8f7bd87 SR |
1200 | if (i >= 3) |
1201 | return -EINVAL; | |
1202 | if (!dev->vinput[i].type) | |
9701dc94 | 1203 | return -EINVAL; |
9701dc94 | 1204 | |
b8f7bd87 SR |
1205 | dev->input = i; |
1206 | ||
1207 | rc = vidioc_s_std(file, priv, &dev->vfd->current_norm); | |
9701dc94 | 1208 | |
60fbfdfd | 1209 | return rc; |
9701dc94 MCC |
1210 | } |
1211 | ||
886a3c0b | 1212 | /* --- controls ---------------------------------------------- */ |
60fbfdfd | 1213 | static int vidioc_queryctrl(struct file *file, void *priv, |
9701dc94 MCC |
1214 | struct v4l2_queryctrl *qc) |
1215 | { | |
1216 | int i; | |
1217 | ||
1218 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1219 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1220 | memcpy(qc, &(tm6000_qctrl[i]), | |
1221 | sizeof(*qc)); | |
60fbfdfd | 1222 | return 0; |
9701dc94 MCC |
1223 | } |
1224 | ||
1225 | return -EINVAL; | |
1226 | } | |
1227 | ||
60fbfdfd | 1228 | static int vidioc_g_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1229 | struct v4l2_control *ctrl) |
1230 | { | |
60fbfdfd | 1231 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1232 | struct tm6000_core *dev = fh->dev; |
1233 | int val; | |
1234 | ||
1235 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1236 | switch (ctrl->id) { | |
1237 | case V4L2_CID_CONTRAST: | |
9afec493 | 1238 | val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); |
9701dc94 MCC |
1239 | break; |
1240 | case V4L2_CID_BRIGHTNESS: | |
9afec493 | 1241 | val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); |
9701dc94 MCC |
1242 | return 0; |
1243 | case V4L2_CID_SATURATION: | |
9afec493 | 1244 | val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); |
9701dc94 MCC |
1245 | return 0; |
1246 | case V4L2_CID_HUE: | |
9afec493 | 1247 | val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); |
9701dc94 | 1248 | return 0; |
8aff8ba9 DB |
1249 | case V4L2_CID_AUDIO_MUTE: |
1250 | val = dev->ctl_mute; | |
1251 | return 0; | |
1252 | case V4L2_CID_AUDIO_VOLUME: | |
1253 | val = dev->ctl_volume; | |
1254 | return 0; | |
9701dc94 MCC |
1255 | default: |
1256 | return -EINVAL; | |
1257 | } | |
1258 | ||
60fbfdfd | 1259 | if (val < 0) |
9701dc94 MCC |
1260 | return val; |
1261 | ||
60fbfdfd | 1262 | ctrl->value = val; |
9701dc94 MCC |
1263 | |
1264 | return 0; | |
1265 | } | |
60fbfdfd | 1266 | static int vidioc_s_ctrl(struct file *file, void *priv, |
9701dc94 MCC |
1267 | struct v4l2_control *ctrl) |
1268 | { | |
60fbfdfd | 1269 | struct tm6000_fh *fh = priv; |
9701dc94 | 1270 | struct tm6000_core *dev = fh->dev; |
60fbfdfd | 1271 | u8 val = ctrl->value; |
9701dc94 MCC |
1272 | |
1273 | switch (ctrl->id) { | |
1274 | case V4L2_CID_CONTRAST: | |
60fbfdfd | 1275 | tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); |
9701dc94 MCC |
1276 | return 0; |
1277 | case V4L2_CID_BRIGHTNESS: | |
60fbfdfd | 1278 | tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); |
9701dc94 MCC |
1279 | return 0; |
1280 | case V4L2_CID_SATURATION: | |
60fbfdfd | 1281 | tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); |
9701dc94 MCC |
1282 | return 0; |
1283 | case V4L2_CID_HUE: | |
60fbfdfd | 1284 | tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); |
9701dc94 | 1285 | return 0; |
8aff8ba9 DB |
1286 | case V4L2_CID_AUDIO_MUTE: |
1287 | dev->ctl_mute = val; | |
1288 | tm6000_tvaudio_set_mute(dev, val); | |
1289 | return 0; | |
1290 | case V4L2_CID_AUDIO_VOLUME: | |
1291 | dev->ctl_volume = val; | |
1292 | tm6000_set_volume(dev, val); | |
1293 | return 0; | |
9701dc94 MCC |
1294 | } |
1295 | return -EINVAL; | |
1296 | } | |
1297 | ||
60fbfdfd | 1298 | static int vidioc_g_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1299 | struct v4l2_tuner *t) |
1300 | { | |
60fbfdfd | 1301 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1302 | struct tm6000_core *dev = fh->dev; |
1303 | ||
1304 | if (unlikely(UNSET == dev->tuner_type)) | |
1305 | return -EINVAL; | |
1306 | if (0 != t->index) | |
1307 | return -EINVAL; | |
1308 | ||
1309 | strcpy(t->name, "Television"); | |
1310 | t->type = V4L2_TUNER_ANALOG_TV; | |
1311 | t->capability = V4L2_TUNER_CAP_NORM; | |
1312 | t->rangehigh = 0xffffffffUL; | |
886a3c0b SR |
1313 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
1314 | ||
1315 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1316 | ||
1317 | t->audmode = dev->amode; | |
9701dc94 MCC |
1318 | |
1319 | return 0; | |
1320 | } | |
1321 | ||
60fbfdfd | 1322 | static int vidioc_s_tuner(struct file *file, void *priv, |
9701dc94 MCC |
1323 | struct v4l2_tuner *t) |
1324 | { | |
60fbfdfd | 1325 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1326 | struct tm6000_core *dev = fh->dev; |
1327 | ||
1328 | if (UNSET == dev->tuner_type) | |
1329 | return -EINVAL; | |
1330 | if (0 != t->index) | |
1331 | return -EINVAL; | |
1332 | ||
886a3c0b SR |
1333 | dev->amode = t->audmode; |
1334 | dprintk(dev, 3, "audio mode: %x\n", t->audmode); | |
1335 | ||
1336 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); | |
0f6040e8 | 1337 | |
9701dc94 MCC |
1338 | return 0; |
1339 | } | |
1340 | ||
60fbfdfd | 1341 | static int vidioc_g_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1342 | struct v4l2_frequency *f) |
1343 | { | |
60fbfdfd | 1344 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1345 | struct tm6000_core *dev = fh->dev; |
1346 | ||
1347 | if (unlikely(UNSET == dev->tuner_type)) | |
1348 | return -EINVAL; | |
1349 | ||
8aff8ba9 | 1350 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
9701dc94 MCC |
1351 | f->frequency = dev->freq; |
1352 | ||
427f7fac | 1353 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); |
9701dc94 MCC |
1354 | |
1355 | return 0; | |
1356 | } | |
1357 | ||
60fbfdfd | 1358 | static int vidioc_s_frequency(struct file *file, void *priv, |
9701dc94 MCC |
1359 | struct v4l2_frequency *f) |
1360 | { | |
60fbfdfd | 1361 | struct tm6000_fh *fh = priv; |
9701dc94 MCC |
1362 | struct tm6000_core *dev = fh->dev; |
1363 | ||
9701dc94 MCC |
1364 | if (unlikely(UNSET == dev->tuner_type)) |
1365 | return -EINVAL; | |
1366 | if (unlikely(f->tuner != 0)) | |
1367 | return -EINVAL; | |
8aff8ba9 DB |
1368 | if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) |
1369 | return -EINVAL; | |
1370 | if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) | |
1371 | return -EINVAL; | |
9701dc94 | 1372 | |
9701dc94 | 1373 | dev->freq = f->frequency; |
64d339d4 | 1374 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
9701dc94 MCC |
1375 | |
1376 | return 0; | |
1377 | } | |
1378 | ||
8aff8ba9 DB |
1379 | static int radio_querycap(struct file *file, void *priv, |
1380 | struct v4l2_capability *cap) | |
1381 | { | |
1382 | struct tm6000_fh *fh = file->private_data; | |
1383 | struct tm6000_core *dev = fh->dev; | |
1384 | ||
1385 | strcpy(cap->driver, "tm6000"); | |
1386 | strlcpy(cap->card, dev->name, sizeof(dev->name)); | |
1387 | sprintf(cap->bus_info, "USB%04x:%04x", | |
1388 | le16_to_cpu(dev->udev->descriptor.idVendor), | |
1389 | le16_to_cpu(dev->udev->descriptor.idProduct)); | |
1390 | cap->version = dev->dev_type; | |
886a3c0b SR |
1391 | cap->capabilities = V4L2_CAP_TUNER | |
1392 | V4L2_CAP_AUDIO | | |
1393 | V4L2_CAP_RADIO | | |
1394 | V4L2_CAP_READWRITE | | |
1395 | V4L2_CAP_STREAMING; | |
8aff8ba9 DB |
1396 | |
1397 | return 0; | |
1398 | } | |
1399 | ||
1400 | static int radio_g_tuner(struct file *file, void *priv, | |
1401 | struct v4l2_tuner *t) | |
1402 | { | |
1403 | struct tm6000_fh *fh = file->private_data; | |
1404 | struct tm6000_core *dev = fh->dev; | |
1405 | ||
1406 | if (0 != t->index) | |
1407 | return -EINVAL; | |
1408 | ||
1409 | memset(t, 0, sizeof(*t)); | |
1410 | strcpy(t->name, "Radio"); | |
1411 | t->type = V4L2_TUNER_RADIO; | |
886a3c0b | 1412 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; |
8aff8ba9 DB |
1413 | |
1414 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); | |
1415 | ||
8aff8ba9 DB |
1416 | return 0; |
1417 | } | |
1418 | ||
1419 | static int radio_s_tuner(struct file *file, void *priv, | |
1420 | struct v4l2_tuner *t) | |
1421 | { | |
1422 | struct tm6000_fh *fh = file->private_data; | |
1423 | struct tm6000_core *dev = fh->dev; | |
1424 | ||
1425 | if (0 != t->index) | |
1426 | return -EINVAL; | |
1427 | ||
1428 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); | |
1429 | ||
1430 | return 0; | |
1431 | } | |
1432 | ||
1433 | static int radio_enum_input(struct file *file, void *priv, | |
1434 | struct v4l2_input *i) | |
1435 | { | |
b8f7bd87 SR |
1436 | struct tm6000_fh *fh = priv; |
1437 | struct tm6000_core *dev = fh->dev; | |
1438 | ||
8aff8ba9 DB |
1439 | if (i->index != 0) |
1440 | return -EINVAL; | |
1441 | ||
b8f7bd87 SR |
1442 | if (!dev->rinput.type) |
1443 | return -EINVAL; | |
1444 | ||
8aff8ba9 DB |
1445 | strcpy(i->name, "Radio"); |
1446 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1447 | ||
1448 | return 0; | |
1449 | } | |
1450 | ||
1451 | static int radio_g_input(struct file *filp, void *priv, unsigned int *i) | |
1452 | { | |
b8f7bd87 SR |
1453 | struct tm6000_fh *fh = priv; |
1454 | struct tm6000_core *dev = fh->dev; | |
1455 | ||
ed7c221c | 1456 | if (dev->input != 5) |
b8f7bd87 SR |
1457 | return -EINVAL; |
1458 | ||
ed7c221c | 1459 | *i = dev->input - 5; |
b8f7bd87 | 1460 | |
8aff8ba9 DB |
1461 | return 0; |
1462 | } | |
1463 | ||
1464 | static int radio_g_audio(struct file *file, void *priv, | |
1465 | struct v4l2_audio *a) | |
1466 | { | |
1467 | memset(a, 0, sizeof(*a)); | |
1468 | strcpy(a->name, "Radio"); | |
1469 | return 0; | |
1470 | } | |
1471 | ||
1472 | static int radio_s_audio(struct file *file, void *priv, | |
0e8025b9 | 1473 | const struct v4l2_audio *a) |
8aff8ba9 DB |
1474 | { |
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | static int radio_s_input(struct file *filp, void *priv, unsigned int i) | |
1479 | { | |
b8f7bd87 SR |
1480 | struct tm6000_fh *fh = priv; |
1481 | struct tm6000_core *dev = fh->dev; | |
1482 | ||
1483 | if (i) | |
1484 | return -EINVAL; | |
1485 | ||
1486 | if (!dev->rinput.type) | |
1487 | return -EINVAL; | |
1488 | ||
1489 | dev->input = i + 5; | |
1490 | ||
8aff8ba9 DB |
1491 | return 0; |
1492 | } | |
1493 | ||
1494 | static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) | |
1495 | { | |
1496 | return 0; | |
1497 | } | |
1498 | ||
1499 | static int radio_queryctrl(struct file *file, void *priv, | |
1500 | struct v4l2_queryctrl *c) | |
1501 | { | |
1502 | const struct v4l2_queryctrl *ctrl; | |
1503 | ||
1504 | if (c->id < V4L2_CID_BASE || | |
1505 | c->id >= V4L2_CID_LASTP1) | |
1506 | return -EINVAL; | |
1507 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
1508 | ctrl = ctrl_by_id(c->id); | |
1509 | *c = *ctrl; | |
1510 | } else | |
1511 | *c = no_ctrl; | |
1512 | ||
1513 | return 0; | |
1514 | } | |
1515 | ||
9701dc94 MCC |
1516 | /* ------------------------------------------------------------------ |
1517 | File operations for the device | |
1518 | ------------------------------------------------------------------*/ | |
1519 | ||
14a09dac | 1520 | static int __tm6000_open(struct file *file) |
9701dc94 | 1521 | { |
0a34df53 MCC |
1522 | struct video_device *vdev = video_devdata(file); |
1523 | struct tm6000_core *dev = video_drvdata(file); | |
9701dc94 | 1524 | struct tm6000_fh *fh; |
e8d04167 | 1525 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
60fbfdfd | 1526 | int i, rc; |
8aff8ba9 | 1527 | int radio = 0; |
9701dc94 | 1528 | |
0a34df53 MCC |
1529 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", |
1530 | video_device_node_name(vdev)); | |
9701dc94 | 1531 | |
8aff8ba9 DB |
1532 | switch (vdev->vfl_type) { |
1533 | case VFL_TYPE_GRABBER: | |
1534 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1535 | break; | |
1536 | case VFL_TYPE_VBI: | |
1537 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1538 | break; | |
1539 | case VFL_TYPE_RADIO: | |
1540 | radio = 1; | |
1541 | break; | |
1542 | } | |
9701dc94 MCC |
1543 | |
1544 | /* If more than one user, mutex should be added */ | |
1545 | dev->users++; | |
1546 | ||
0a34df53 MCC |
1547 | dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", |
1548 | video_device_node_name(vdev), v4l2_type_names[type], | |
1549 | dev->users); | |
9701dc94 MCC |
1550 | |
1551 | /* allocate + initialize per filehandle data */ | |
60fbfdfd | 1552 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
9701dc94 MCC |
1553 | if (NULL == fh) { |
1554 | dev->users--; | |
1555 | return -ENOMEM; | |
1556 | } | |
1557 | ||
1558 | file->private_data = fh; | |
1559 | fh->dev = dev; | |
8aff8ba9 DB |
1560 | fh->radio = radio; |
1561 | dev->radio = radio; | |
1562 | fh->type = type; | |
9701dc94 MCC |
1563 | dev->fourcc = format[0].fourcc; |
1564 | ||
1565 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 | 1566 | |
ed7c221c | 1567 | tm6000_get_std_res(dev); |
4475c044 | 1568 | |
3d1a51db TR |
1569 | fh->width = dev->width; |
1570 | fh->height = dev->height; | |
9701dc94 MCC |
1571 | |
1572 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1573 | "dev->vidq=0x%08lx\n", | |
3d1a51db TR |
1574 | (unsigned long)fh, (unsigned long)dev, |
1575 | (unsigned long)&dev->vidq); | |
9701dc94 | 1576 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
ed7c221c | 1577 | "queued=%d\n", list_empty(&dev->vidq.queued)); |
9701dc94 | 1578 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " |
ed7c221c | 1579 | "active=%d\n", list_empty(&dev->vidq.active)); |
9701dc94 MCC |
1580 | |
1581 | /* initialize hardware on analog mode */ | |
589851d5 MCC |
1582 | rc = tm6000_init_analog_mode(dev); |
1583 | if (rc < 0) | |
1584 | return rc; | |
9701dc94 | 1585 | |
589851d5 | 1586 | if (dev->mode != TM6000_MODE_ANALOG) { |
9701dc94 MCC |
1587 | /* Put all controls at a sane state */ |
1588 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
589851d5 | 1589 | qctl_regs[i] = tm6000_qctrl[i].default_value; |
9701dc94 | 1590 | |
589851d5 MCC |
1591 | dev->mode = TM6000_MODE_ANALOG; |
1592 | } | |
9701dc94 | 1593 | |
aa4a583d TR |
1594 | if (!fh->radio) { |
1595 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1596 | NULL, &dev->slock, | |
1597 | fh->type, | |
1598 | V4L2_FIELD_INTERLACED, | |
1599 | sizeof(struct tm6000_buffer), fh, &dev->lock); | |
1600 | } else { | |
8aff8ba9 | 1601 | dprintk(dev, V4L2_DEBUG_OPEN, "video_open: setting radio device\n"); |
0f6040e8 SR |
1602 | dev->input = 5; |
1603 | tm6000_set_audio_rinput(dev); | |
8aff8ba9 DB |
1604 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); |
1605 | tm6000_prepare_isoc(dev); | |
1606 | tm6000_start_thread(dev); | |
1607 | } | |
8aff8ba9 | 1608 | |
9701dc94 MCC |
1609 | return 0; |
1610 | } | |
1611 | ||
14a09dac HV |
1612 | static int tm6000_open(struct file *file) |
1613 | { | |
1614 | struct video_device *vdev = video_devdata(file); | |
1615 | int res; | |
1616 | ||
1617 | mutex_lock(vdev->lock); | |
1618 | res = __tm6000_open(file); | |
1619 | mutex_unlock(vdev->lock); | |
1620 | return res; | |
1621 | } | |
1622 | ||
9701dc94 MCC |
1623 | static ssize_t |
1624 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1625 | { | |
14a09dac HV |
1626 | struct tm6000_fh *fh = file->private_data; |
1627 | struct tm6000_core *dev = fh->dev; | |
9701dc94 | 1628 | |
ed7c221c | 1629 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
14a09dac HV |
1630 | int res; |
1631 | ||
9efd85df | 1632 | if (!res_get(fh->dev, fh, true)) |
9701dc94 MCC |
1633 | return -EBUSY; |
1634 | ||
14a09dac HV |
1635 | if (mutex_lock_interruptible(&dev->lock)) |
1636 | return -ERESTARTSYS; | |
1637 | res = videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
9701dc94 | 1638 | file->f_flags & O_NONBLOCK); |
14a09dac HV |
1639 | mutex_unlock(&dev->lock); |
1640 | return res; | |
9701dc94 MCC |
1641 | } |
1642 | return 0; | |
1643 | } | |
1644 | ||
1645 | static unsigned int | |
14a09dac | 1646 | __tm6000_poll(struct file *file, struct poll_table_struct *wait) |
9701dc94 MCC |
1647 | { |
1648 | struct tm6000_fh *fh = file->private_data; | |
1649 | struct tm6000_buffer *buf; | |
1650 | ||
1651 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1652 | return POLLERR; | |
1653 | ||
9efd85df MCC |
1654 | if (!!is_res_streaming(fh->dev, fh)) |
1655 | return POLLERR; | |
1656 | ||
1657 | if (!is_res_read(fh->dev, fh)) { | |
9701dc94 MCC |
1658 | /* streaming capture */ |
1659 | if (list_empty(&fh->vb_vidq.stream)) | |
1660 | return POLLERR; | |
ed7c221c | 1661 | buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream); |
9701dc94 MCC |
1662 | } else { |
1663 | /* read() capture */ | |
3d1a51db | 1664 | return videobuf_poll_stream(file, &fh->vb_vidq, wait); |
9701dc94 MCC |
1665 | } |
1666 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1667 | if (buf->vb.state == VIDEOBUF_DONE || |
1668 | buf->vb.state == VIDEOBUF_ERROR) | |
60fbfdfd | 1669 | return POLLIN | POLLRDNORM; |
9701dc94 MCC |
1670 | return 0; |
1671 | } | |
1672 | ||
14a09dac HV |
1673 | static unsigned int tm6000_poll(struct file *file, struct poll_table_struct *wait) |
1674 | { | |
1675 | struct tm6000_fh *fh = file->private_data; | |
1676 | struct tm6000_core *dev = fh->dev; | |
1677 | unsigned int res; | |
1678 | ||
1679 | mutex_lock(&dev->lock); | |
1680 | res = __tm6000_poll(file, wait); | |
1681 | mutex_unlock(&dev->lock); | |
1682 | return res; | |
1683 | } | |
1684 | ||
64d339d4 | 1685 | static int tm6000_release(struct file *file) |
9701dc94 MCC |
1686 | { |
1687 | struct tm6000_fh *fh = file->private_data; | |
1688 | struct tm6000_core *dev = fh->dev; | |
0a34df53 | 1689 | struct video_device *vdev = video_devdata(file); |
9701dc94 | 1690 | |
0a34df53 MCC |
1691 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", |
1692 | video_device_node_name(vdev), dev->users); | |
7c3f53ec | 1693 | |
14a09dac | 1694 | mutex_lock(&dev->lock); |
a58d35cb MCC |
1695 | dev->users--; |
1696 | ||
9efd85df | 1697 | res_free(dev, fh); |
dd0c8abf | 1698 | |
a58d35cb | 1699 | if (!dev->users) { |
c144c037 | 1700 | tm6000_uninit_isoc(dev); |
aa4a583d | 1701 | |
8159c184 SR |
1702 | /* Stop interrupt USB pipe */ |
1703 | tm6000_ir_int_stop(dev); | |
1704 | ||
1705 | usb_reset_configuration(dev->udev); | |
1706 | ||
4be9c8fb | 1707 | if (dev->int_in.endp) |
8159c184 | 1708 | usb_set_interface(dev->udev, |
875f0e3d | 1709 | dev->isoc_in.bInterfaceNumber, 2); |
8159c184 SR |
1710 | else |
1711 | usb_set_interface(dev->udev, | |
875f0e3d | 1712 | dev->isoc_in.bInterfaceNumber, 0); |
8159c184 SR |
1713 | |
1714 | /* Start interrupt USB pipe */ | |
1715 | tm6000_ir_int_start(dev); | |
1716 | ||
aa4a583d TR |
1717 | if (!fh->radio) |
1718 | videobuf_mmap_free(&fh->vb_vidq); | |
a58d35cb | 1719 | } |
9701dc94 | 1720 | |
60fbfdfd | 1721 | kfree(fh); |
14a09dac | 1722 | mutex_unlock(&dev->lock); |
9701dc94 | 1723 | |
9701dc94 MCC |
1724 | return 0; |
1725 | } | |
1726 | ||
1727 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1728 | { | |
3d1a51db | 1729 | struct tm6000_fh *fh = file->private_data; |
14a09dac HV |
1730 | struct tm6000_core *dev = fh->dev; |
1731 | int res; | |
9701dc94 | 1732 | |
14a09dac HV |
1733 | if (mutex_lock_interruptible(&dev->lock)) |
1734 | return -ERESTARTSYS; | |
1735 | res = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1736 | mutex_unlock(&dev->lock); | |
1737 | return res; | |
9701dc94 MCC |
1738 | } |
1739 | ||
64d339d4 | 1740 | static struct v4l2_file_operations tm6000_fops = { |
3d1a51db TR |
1741 | .owner = THIS_MODULE, |
1742 | .open = tm6000_open, | |
1743 | .release = tm6000_release, | |
1744 | .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
1745 | .read = tm6000_read, | |
1746 | .poll = tm6000_poll, | |
1747 | .mmap = tm6000_mmap, | |
9701dc94 MCC |
1748 | }; |
1749 | ||
2a8145d4 MCC |
1750 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
1751 | .vidioc_querycap = vidioc_querycap, | |
1752 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1753 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1754 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1755 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
1756 | .vidioc_s_std = vidioc_s_std, | |
1757 | .vidioc_enum_input = vidioc_enum_input, | |
1758 | .vidioc_g_input = vidioc_g_input, | |
1759 | .vidioc_s_input = vidioc_s_input, | |
1760 | .vidioc_queryctrl = vidioc_queryctrl, | |
1761 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1762 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1763 | .vidioc_g_tuner = vidioc_g_tuner, | |
1764 | .vidioc_s_tuner = vidioc_s_tuner, | |
1765 | .vidioc_g_frequency = vidioc_g_frequency, | |
1766 | .vidioc_s_frequency = vidioc_s_frequency, | |
1767 | .vidioc_streamon = vidioc_streamon, | |
1768 | .vidioc_streamoff = vidioc_streamoff, | |
1769 | .vidioc_reqbufs = vidioc_reqbufs, | |
1770 | .vidioc_querybuf = vidioc_querybuf, | |
1771 | .vidioc_qbuf = vidioc_qbuf, | |
1772 | .vidioc_dqbuf = vidioc_dqbuf, | |
2a8145d4 MCC |
1773 | }; |
1774 | ||
9701dc94 MCC |
1775 | static struct video_device tm6000_template = { |
1776 | .name = "tm6000", | |
9701dc94 | 1777 | .fops = &tm6000_fops, |
2a8145d4 | 1778 | .ioctl_ops = &video_ioctl_ops, |
9701dc94 | 1779 | .release = video_device_release, |
2a8145d4 MCC |
1780 | .tvnorms = TM6000_STD, |
1781 | .current_norm = V4L2_STD_NTSC_M, | |
9701dc94 | 1782 | }; |
2a8145d4 | 1783 | |
8aff8ba9 | 1784 | static const struct v4l2_file_operations radio_fops = { |
1f385717 SR |
1785 | .owner = THIS_MODULE, |
1786 | .open = tm6000_open, | |
1787 | .release = tm6000_release, | |
1788 | .unlocked_ioctl = video_ioctl2, | |
8aff8ba9 DB |
1789 | }; |
1790 | ||
1791 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
1792 | .vidioc_querycap = radio_querycap, | |
1793 | .vidioc_g_tuner = radio_g_tuner, | |
1794 | .vidioc_enum_input = radio_enum_input, | |
1795 | .vidioc_g_audio = radio_g_audio, | |
1796 | .vidioc_s_tuner = radio_s_tuner, | |
1797 | .vidioc_s_audio = radio_s_audio, | |
1798 | .vidioc_s_input = radio_s_input, | |
1799 | .vidioc_s_std = radio_s_std, | |
1800 | .vidioc_queryctrl = radio_queryctrl, | |
1801 | .vidioc_g_input = radio_g_input, | |
1802 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1803 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1804 | .vidioc_g_frequency = vidioc_g_frequency, | |
1805 | .vidioc_s_frequency = vidioc_s_frequency, | |
1806 | }; | |
1807 | ||
3d1a51db | 1808 | static struct video_device tm6000_radio_template = { |
8aff8ba9 DB |
1809 | .name = "tm6000", |
1810 | .fops = &radio_fops, | |
ed7c221c | 1811 | .ioctl_ops = &radio_ioctl_ops, |
8aff8ba9 DB |
1812 | }; |
1813 | ||
9701dc94 | 1814 | /* ----------------------------------------------------------------- |
60fbfdfd RP |
1815 | * Initialization and module stuff |
1816 | * ------------------------------------------------------------------ | |
1817 | */ | |
9701dc94 | 1818 | |
3c61be44 DB |
1819 | static struct video_device *vdev_init(struct tm6000_core *dev, |
1820 | const struct video_device | |
1821 | *template, const char *type_name) | |
9701dc94 | 1822 | { |
7c3f53ec ML |
1823 | struct video_device *vfd; |
1824 | ||
1825 | vfd = video_device_alloc(); | |
3c61be44 DB |
1826 | if (NULL == vfd) |
1827 | return NULL; | |
1828 | ||
1829 | *vfd = *template; | |
1830 | vfd->v4l2_dev = &dev->v4l2_dev; | |
1831 | vfd->release = video_device_release; | |
1832 | vfd->debug = tm6000_debug; | |
1833 | vfd->lock = &dev->lock; | |
1834 | ||
1835 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); | |
1836 | ||
1837 | video_set_drvdata(vfd, dev); | |
1838 | return vfd; | |
1839 | } | |
1840 | ||
1841 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1842 | { | |
1843 | int ret = -1; | |
1844 | ||
1845 | dev->vfd = vdev_init(dev, &tm6000_template, "video"); | |
1846 | ||
1847 | if (!dev->vfd) { | |
1848 | printk(KERN_INFO "%s: can't register video device\n", | |
1849 | dev->name); | |
7c3f53ec ML |
1850 | return -ENOMEM; |
1851 | } | |
9701dc94 | 1852 | |
9701dc94 MCC |
1853 | /* init video dma queues */ |
1854 | INIT_LIST_HEAD(&dev->vidq.active); | |
1855 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1856 | ||
3c61be44 | 1857 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
dc961136 | 1858 | |
3c61be44 DB |
1859 | if (ret < 0) { |
1860 | printk(KERN_INFO "%s: can't register video device\n", | |
1861 | dev->name); | |
1862 | return ret; | |
1863 | } | |
1864 | ||
1865 | printk(KERN_INFO "%s: registered device %s\n", | |
1866 | dev->name, video_device_node_name(dev->vfd)); | |
9701dc94 | 1867 | |
14169107 SR |
1868 | if (dev->caps.has_radio) { |
1869 | dev->radio_dev = vdev_init(dev, &tm6000_radio_template, | |
1870 | "radio"); | |
1871 | if (!dev->radio_dev) { | |
1872 | printk(KERN_INFO "%s: can't register radio device\n", | |
1873 | dev->name); | |
97b55f6a | 1874 | ret = -ENXIO; |
14169107 SR |
1875 | return ret; /* FIXME release resource */ |
1876 | } | |
8aff8ba9 | 1877 | |
14169107 SR |
1878 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, |
1879 | radio_nr); | |
1880 | if (ret < 0) { | |
1881 | printk(KERN_INFO "%s: can't register radio device\n", | |
1882 | dev->name); | |
1883 | return ret; /* FIXME release resource */ | |
1884 | } | |
8aff8ba9 | 1885 | |
14169107 SR |
1886 | printk(KERN_INFO "%s: registered device %s\n", |
1887 | dev->name, video_device_node_name(dev->radio_dev)); | |
1888 | } | |
8aff8ba9 | 1889 | |
e28f49b0 | 1890 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); |
9701dc94 MCC |
1891 | return ret; |
1892 | } | |
1893 | ||
1894 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1895 | { | |
7c3f53ec | 1896 | video_unregister_device(dev->vfd); |
22927e8e | 1897 | |
16427faf JS |
1898 | /* if URB buffers are still allocated free them now */ |
1899 | tm6000_free_urb_buffers(dev); | |
1900 | ||
8aff8ba9 DB |
1901 | if (dev->radio_dev) { |
1902 | if (video_is_registered(dev->radio_dev)) | |
1903 | video_unregister_device(dev->radio_dev); | |
1904 | else | |
1905 | video_device_release(dev->radio_dev); | |
1906 | dev->radio_dev = NULL; | |
1907 | } | |
1908 | ||
9701dc94 MCC |
1909 | return 0; |
1910 | } | |
1911 | ||
1912 | int tm6000_v4l2_exit(void) | |
1913 | { | |
1914 | return 0; | |
1915 | } | |
1916 | ||
1917 | module_param(video_nr, int, 0); | |
60fbfdfd | 1918 | MODULE_PARM_DESC(video_nr, "Allow changing video device number"); |
9701dc94 | 1919 | |
60fbfdfd RP |
1920 | module_param_named(debug, tm6000_debug, int, 0444); |
1921 | MODULE_PARM_DESC(debug, "activates debug info"); | |
9701dc94 | 1922 | |
60fbfdfd RP |
1923 | module_param(vid_limit, int, 0644); |
1924 | MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); | |
9701dc94 | 1925 | |
16427faf JS |
1926 | module_param(keep_urb, bool, 0); |
1927 | MODULE_PARM_DESC(keep_urb, "Keep urb buffers allocated even when the device is closed by the user"); |