Commit | Line | Data |
---|---|---|
9701dc94 MCC |
1 | /* |
2 | tm6000-video.c - driver for TM5600/TM6000 USB video capture devices | |
3 | ||
4 | Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> | |
5 | ||
7c3f53ec ML |
6 | Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> |
7 | - Fixed module load/unload | |
8 | ||
9701dc94 MCC |
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. | |
21 | */ | |
22 | #include <linux/module.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/errno.h> | |
25 | #include <linux/fs.h> | |
26 | #include <linux/kernel.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/mm.h> | |
29 | #include <linux/ioport.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/sched.h> | |
32 | #include <linux/random.h> | |
33 | #include <linux/version.h> | |
34 | #include <linux/usb.h> | |
35 | #include <linux/videodev2.h> | |
9701dc94 MCC |
36 | #include <linux/interrupt.h> |
37 | #include <linux/kthread.h> | |
38 | #include <linux/highmem.h> | |
39 | #include <linux/freezer.h> | |
40 | ||
41 | #include "tm6000-regs.h" | |
42 | #include "tm6000.h" | |
43 | ||
44 | #define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ | |
45 | ||
95a83824 ML |
46 | /* Limits minimum and default number of buffers */ |
47 | #define TM6000_MIN_BUF 4 | |
48 | #define TM6000_DEF_BUF 8 | |
49 | ||
ee1fc07c MCC |
50 | #define TM6000_MAX_ISO_PACKETS 40 /* Max number of ISO packets */ |
51 | ||
9701dc94 MCC |
52 | /* Declare static vars that will be used as parameters */ |
53 | static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ | |
54 | static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ | |
55 | ||
9701dc94 MCC |
56 | /* Debug level */ |
57 | int tm6000_debug; | |
58 | ||
59 | /* supported controls */ | |
60 | static struct v4l2_queryctrl tm6000_qctrl[] = { | |
61 | { | |
62 | .id = V4L2_CID_BRIGHTNESS, | |
63 | .type = V4L2_CTRL_TYPE_INTEGER, | |
64 | .name = "Brightness", | |
65 | .minimum = 0, | |
66 | .maximum = 255, | |
67 | .step = 1, | |
68 | .default_value = 54, | |
69 | .flags = 0, | |
70 | }, { | |
71 | .id = V4L2_CID_CONTRAST, | |
72 | .type = V4L2_CTRL_TYPE_INTEGER, | |
73 | .name = "Contrast", | |
74 | .minimum = 0, | |
75 | .maximum = 255, | |
76 | .step = 0x1, | |
77 | .default_value = 119, | |
78 | .flags = 0, | |
79 | }, { | |
80 | .id = V4L2_CID_SATURATION, | |
81 | .type = V4L2_CTRL_TYPE_INTEGER, | |
82 | .name = "Saturation", | |
83 | .minimum = 0, | |
84 | .maximum = 255, | |
85 | .step = 0x1, | |
86 | .default_value = 112, | |
87 | .flags = 0, | |
88 | }, { | |
89 | .id = V4L2_CID_HUE, | |
90 | .type = V4L2_CTRL_TYPE_INTEGER, | |
91 | .name = "Hue", | |
92 | .minimum = -128, | |
93 | .maximum = 127, | |
94 | .step = 0x1, | |
c4acf48c | 95 | .default_value = 0, |
9701dc94 MCC |
96 | .flags = 0, |
97 | } | |
98 | }; | |
99 | ||
100 | static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; | |
101 | ||
102 | static struct tm6000_fmt format[] = { | |
103 | { | |
104 | .name = "4:2:2, packed, YVY2", | |
105 | .fourcc = V4L2_PIX_FMT_YUYV, | |
106 | .depth = 16, | |
c4acf48c | 107 | }, { |
9701dc94 MCC |
108 | .name = "4:2:2, packed, UYVY", |
109 | .fourcc = V4L2_PIX_FMT_UYVY, | |
110 | .depth = 16, | |
c4acf48c | 111 | }, { |
9701dc94 MCC |
112 | .name = "A/V + VBI mux packet", |
113 | .fourcc = V4L2_PIX_FMT_TM6000, | |
114 | .depth = 16, | |
115 | } | |
116 | }; | |
117 | ||
118 | static LIST_HEAD(tm6000_corelist); | |
119 | ||
120 | /* ------------------------------------------------------------------ | |
121 | DMA and thread functions | |
122 | ------------------------------------------------------------------*/ | |
123 | ||
124 | #define norm_maxw(a) 720 | |
4475c044 | 125 | #define norm_maxh(a) 576 |
9701dc94 | 126 | |
9701dc94 MCC |
127 | #define norm_minw(a) norm_maxw(a) |
128 | #define norm_minh(a) norm_maxh(a) | |
129 | ||
130 | /* | |
131 | * video-buf generic routine to get the next available buffer | |
132 | */ | |
c4acf48c MCC |
133 | static inline int get_next_buf(struct tm6000_dmaqueue *dma_q, |
134 | struct tm6000_buffer **buf) | |
9701dc94 | 135 | { |
c4acf48c | 136 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
9701dc94 MCC |
137 | |
138 | if (list_empty(&dma_q->active)) { | |
c4acf48c | 139 | dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); |
9701dc94 MCC |
140 | return 0; |
141 | } | |
142 | ||
143 | *buf = list_entry(dma_q->active.next, | |
144 | struct tm6000_buffer, vb.queue); | |
145 | ||
9701dc94 MCC |
146 | return 1; |
147 | } | |
148 | ||
149 | /* | |
150 | * Announces that a buffer were filled and request the next | |
151 | */ | |
c4acf48c MCC |
152 | static inline void buffer_filled(struct tm6000_core *dev, |
153 | struct tm6000_dmaqueue *dma_q, | |
154 | struct tm6000_buffer *buf) | |
9701dc94 MCC |
155 | { |
156 | /* Advice that buffer was filled */ | |
c4acf48c | 157 | dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); |
47878f16 | 158 | buf->vb.state = VIDEOBUF_DONE; |
9701dc94 MCC |
159 | buf->vb.field_count++; |
160 | do_gettimeofday(&buf->vb.ts); | |
161 | ||
162 | list_del(&buf->vb.queue); | |
163 | wake_up(&buf->vb.done); | |
164 | } | |
165 | ||
c4acf48c MCC |
166 | const char *tm6000_msg_type[] = { |
167 | "unknown(0)", /* 0 */ | |
168 | "video", /* 1 */ | |
169 | "audio", /* 2 */ | |
170 | "vbi", /* 3 */ | |
171 | "pts", /* 4 */ | |
172 | "err", /* 5 */ | |
173 | "unknown(6)", /* 6 */ | |
174 | "unknown(7)", /* 7 */ | |
a228618c MCC |
175 | }; |
176 | ||
9701dc94 MCC |
177 | /* |
178 | * Identify the tm5600/6000 buffer header type and properly handles | |
179 | */ | |
c4acf48c | 180 | static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp, |
e2c9500d | 181 | u8 *out_p, struct tm6000_buffer **buf) |
9701dc94 MCC |
182 | { |
183 | struct tm6000_dmaqueue *dma_q = urb->context; | |
c4acf48c | 184 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
9701dc94 | 185 | u8 c; |
c4acf48c MCC |
186 | unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; |
187 | int rc = 0; | |
a228618c | 188 | /* FIXME: move to tm6000-isoc */ |
c4acf48c | 189 | static int last_line = -2, start_line = -2, last_field = -2; |
9701dc94 MCC |
190 | |
191 | /* FIXME: this is the hardcoded window size | |
192 | */ | |
c4acf48c | 193 | unsigned int linewidth = (*buf)->vb.width << 1; |
9701dc94 | 194 | |
c4acf48c | 195 | c = (header >> 24) & 0xff; |
6eb5c8a6 MCC |
196 | |
197 | /* split the header fields */ | |
c4acf48c MCC |
198 | size = (((header & 0x7e) << 1) - 1) * 4; |
199 | block = (header >> 7) & 0xf; | |
200 | field = (header >> 11) & 0x1; | |
201 | line = (header >> 12) & 0x1ff; | |
202 | cmd = (header >> 21) & 0x7; | |
6eb5c8a6 MCC |
203 | |
204 | /* Validates header fields */ | |
c4acf48c | 205 | if (size > TM6000_URB_MSG_LEN) |
6eb5c8a6 MCC |
206 | size = TM6000_URB_MSG_LEN; |
207 | ||
208 | if (cmd == TM6000_URB_MSG_VIDEO) { | |
c4acf48c | 209 | if ((block + 1) * TM6000_URB_MSG_LEN > linewidth) |
6eb5c8a6 MCC |
210 | cmd = TM6000_URB_MSG_ERR; |
211 | ||
212 | /* FIXME: Mounts the image as field0+field1 | |
213 | * It should, instead, check if the user selected | |
214 | * entrelaced or non-entrelaced mode | |
215 | */ | |
c4acf48c MCC |
216 | pos = ((line << 1) + field) * linewidth + |
217 | block * TM6000_URB_MSG_LEN; | |
6eb5c8a6 MCC |
218 | |
219 | /* Don't allow to write out of the buffer */ | |
c4acf48c | 220 | if (pos + TM6000_URB_MSG_LEN > (*buf)->vb.size) { |
6eb5c8a6 MCC |
221 | dprintk(dev, V4L2_DEBUG_ISOC, |
222 | "ERR: size=%d, num=%d, line=%d, " | |
223 | "field=%d\n", | |
224 | size, block, line, field); | |
9701dc94 | 225 | |
6eb5c8a6 MCC |
226 | cmd = TM6000_URB_MSG_ERR; |
227 | } | |
228 | } else { | |
c4acf48c | 229 | pos = 0; |
6eb5c8a6 | 230 | } |
e2c9500d | 231 | |
6eb5c8a6 MCC |
232 | /* Prints debug info */ |
233 | dprintk(dev, V4L2_DEBUG_ISOC, "size=%d, num=%d, " | |
234 | " line=%d, field=%d\n", | |
235 | size, block, line, field); | |
236 | ||
204193d9 MCC |
237 | /* Checks if a complete set of frame0 + frame 1 were received */ |
238 | if (dev->isoc_ctl.last_line > line) { | |
239 | if (dev->isoc_ctl.fields == 3) { | |
240 | /* Announces that a new buffer were filled */ | |
241 | buffer_filled(dev, dma_q, *buf); | |
242 | dprintk(dev, V4L2_DEBUG_ISOC, | |
243 | "new buffer filled\n"); | |
244 | rc = get_next_buf(dma_q, buf); | |
245 | ||
246 | dev->isoc_ctl.fields = 0; | |
247 | } else { | |
248 | dev->isoc_ctl.fields |= 1 << field; | |
249 | } | |
250 | } | |
251 | dev->isoc_ctl.last_line = line; | |
252 | ||
c4acf48c MCC |
253 | if ((last_line != line) && (last_line + 1 != line) && |
254 | (cmd != TM6000_URB_MSG_ERR)) { | |
6eb5c8a6 MCC |
255 | if (cmd != TM6000_URB_MSG_VIDEO) { |
256 | dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%d, " | |
257 | "size=%d, num=%d, line=%d, field=%d\n", | |
258 | cmd, size, block, line, field); | |
259 | } | |
c4acf48c MCC |
260 | if (start_line < 0) |
261 | start_line = last_line; | |
6eb5c8a6 MCC |
262 | /* Prints debug info */ |
263 | dprintk(dev, V4L2_DEBUG_ISOC, "lines= %d-%d, " | |
264 | "field=%d\n", | |
265 | start_line, last_line, field); | |
e2c9500d | 266 | |
c4acf48c MCC |
267 | if ((start_line < 6 && last_line > 200) && |
268 | (last_field != field)) { | |
a228618c | 269 | |
6eb5c8a6 | 270 | dev->isoc_ctl.nfields++; |
c4acf48c MCC |
271 | if (dev->isoc_ctl.nfields >= 2) |
272 | dev->isoc_ctl.nfields = 0; | |
a228618c | 273 | } |
cc6c60d9 | 274 | |
c4acf48c MCC |
275 | start_line = line; |
276 | last_field = field; | |
e2c9500d | 277 | } |
c4acf48c | 278 | last_line = line; |
6eb5c8a6 MCC |
279 | |
280 | pktsize = TM6000_URB_MSG_LEN; | |
e2c9500d | 281 | |
c4acf48c | 282 | cpysize = (endp-(*ptr) > size) ? size : endp - *ptr; |
e2c9500d MCC |
283 | |
284 | if (cpysize) { | |
285 | /* handles each different URB message */ | |
c4acf48c | 286 | switch (cmd) { |
e2c9500d MCC |
287 | case TM6000_URB_MSG_VIDEO: |
288 | /* Fills video buffer */ | |
c4acf48c | 289 | if (__copy_to_user(&out_p[pos], *ptr, cpysize) != 0) |
cc6c60d9 | 290 | tm6000_err("copy_to_user failed.\n"); |
a228618c MCC |
291 | |
292 | break; | |
293 | case TM6000_URB_MSG_PTS: | |
294 | break; | |
295 | case TM6000_URB_MSG_AUDIO: | |
c4acf48c MCC |
296 | /* Need some code to process audio */ |
297 | printk(KERN_INFO "%ld: cmd=%s, size=%d\n", jiffies, | |
298 | tm6000_msg_type[cmd], size); | |
a228618c MCC |
299 | break; |
300 | default: | |
c4acf48c MCC |
301 | dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n", |
302 | tm6000_msg_type[cmd], size); | |
e2c9500d MCC |
303 | } |
304 | } | |
c4acf48c | 305 | (*ptr) += cpysize; |
e2c9500d | 306 | |
a228618c | 307 | return rc; |
e2c9500d MCC |
308 | } |
309 | ||
310 | static int copy_streams(u8 *data, u8 *out_p, unsigned long len, | |
311 | struct urb *urb, struct tm6000_buffer **buf) | |
312 | { | |
313 | struct tm6000_dmaqueue *dma_q = urb->context; | |
c4acf48c | 314 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
6eb5c8a6 | 315 | u8 *ptr, *endp; |
c4acf48c MCC |
316 | unsigned long header = 0; |
317 | int rc = 0, size; | |
6eb5c8a6 MCC |
318 | |
319 | /* Process pending data */ | |
320 | if (dev->isoc_ctl.pending) { | |
321 | memcpy(dev->isoc_ctl.tbuf + dev->isoc_ctl.len, ptr, | |
322 | sizeof(dev->isoc_ctl.tbuf) - dev->isoc_ctl.len); | |
323 | ||
324 | /* Seek for sync */ | |
325 | endp = dev->isoc_ctl.tbuf + sizeof(dev->isoc_ctl.tbuf); | |
c4acf48c | 326 | for (ptr = dev->isoc_ctl.tbuf; ptr < endp - 3; ptr++) { |
6eb5c8a6 MCC |
327 | if (*(ptr + 3) == 0x47) |
328 | break; | |
329 | } | |
c4acf48c MCC |
330 | header = *(unsigned long *)ptr; |
331 | size = (((header & 0x7e) << 1) - 1) * 4; | |
332 | if (size > TM6000_URB_MSG_LEN) | |
6eb5c8a6 | 333 | size = TM6000_URB_MSG_LEN; |
e2c9500d | 334 | |
c4acf48c | 335 | if (ptr + 3 + size >= endp) { |
6eb5c8a6 MCC |
336 | printk(KERN_ERR "tm6000: broken data\n"); |
337 | ptr = data; | |
338 | goto process_new_uri; | |
339 | } | |
c4acf48c | 340 | ptr += 4; |
6eb5c8a6 MCC |
341 | |
342 | /* Copy or continue last copy */ | |
c4acf48c MCC |
343 | rc = copy_packet(urb, header, &ptr, endp, out_p, buf); |
344 | if (rc < 0) { | |
345 | buf = NULL; | |
6eb5c8a6 MCC |
346 | printk(KERN_ERR "tm6000: buffer underrun at %ld\n", |
347 | jiffies); | |
348 | return rc; | |
349 | } | |
350 | dev->isoc_ctl.pending = 0; | |
351 | ptr = data + (ptr - dev->isoc_ctl.tbuf); | |
352 | } else | |
353 | ptr = data; | |
354 | ||
355 | process_new_uri: | |
356 | endp = data + len; | |
c4acf48c | 357 | while (ptr < endp) { |
6eb5c8a6 | 358 | if (!dev->isoc_ctl.pending) { |
9701dc94 | 359 | /* Seek for sync */ |
c4acf48c MCC |
360 | for (; ptr < endp - 3; ptr++) { |
361 | if (*(ptr + 3) == 0x47) | |
9701dc94 | 362 | break; |
9701dc94 | 363 | } |
c4acf48c MCC |
364 | header = *(unsigned long *)ptr; |
365 | size = (((header & 0x7e) << 1) - 1) * 4; | |
366 | if (size > TM6000_URB_MSG_LEN) | |
6eb5c8a6 MCC |
367 | size = TM6000_URB_MSG_LEN; |
368 | ||
c4acf48c | 369 | if (ptr + 3 + size >= endp) { |
6eb5c8a6 | 370 | int len = endp - ptr; |
cc6c60d9 | 371 | |
c4acf48c | 372 | memcpy(dev->isoc_ctl.tbuf, ptr, len); |
6eb5c8a6 MCC |
373 | dev->isoc_ctl.len = len; |
374 | dev->isoc_ctl.pending = 1; | |
9701dc94 | 375 | return rc; |
cc6c60d9 | 376 | } |
c4acf48c | 377 | ptr += 4; |
9701dc94 | 378 | } |
6eb5c8a6 | 379 | |
e2c9500d | 380 | /* Copy or continue last copy */ |
c4acf48c MCC |
381 | rc = copy_packet(urb, header, &ptr, endp, out_p, buf); |
382 | if (rc < 0) { | |
383 | buf = NULL; | |
a228618c MCC |
384 | printk(KERN_ERR "tm6000: buffer underrun at %ld\n", |
385 | jiffies); | |
386 | return rc; | |
387 | } | |
9701dc94 MCC |
388 | } |
389 | ||
a228618c | 390 | return 0; |
9701dc94 MCC |
391 | } |
392 | /* | |
393 | * Identify the tm5600/6000 buffer header type and properly handles | |
394 | */ | |
395 | static int copy_multiplexed(u8 *ptr, u8 *out_p, unsigned long len, | |
396 | struct urb *urb, struct tm6000_buffer **buf) | |
397 | { | |
398 | struct tm6000_dmaqueue *dma_q = urb->context; | |
c4acf48c MCC |
399 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
400 | unsigned int pos = dev->isoc_ctl.pos, cpysize; | |
401 | int rc = 1; | |
402 | ||
403 | while (len > 0) { | |
404 | cpysize = min(len, (*buf)->vb.size-pos); | |
405 | ||
406 | if (__copy_to_user(&out_p[pos], ptr, cpysize) != 0) | |
407 | tm6000_err("copy_to_user failed.\n"); | |
408 | ||
409 | pos += cpysize; | |
410 | ptr += cpysize; | |
411 | len -= cpysize; | |
9701dc94 | 412 | if (pos >= (*buf)->vb.size) { |
c4acf48c | 413 | pos = 0; |
9701dc94 | 414 | /* Announces that a new buffer were filled */ |
c4acf48c | 415 | buffer_filled(dev, dma_q, *buf); |
5f796752 | 416 | dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); |
c4acf48c MCC |
417 | rc = get_next_buf(dma_q, buf); |
418 | if (rc <= 0) { | |
419 | *buf = NULL; | |
9701dc94 MCC |
420 | break; |
421 | } | |
422 | } | |
423 | } | |
424 | ||
c4acf48c | 425 | dev->isoc_ctl.pos = pos; |
9701dc94 MCC |
426 | return rc; |
427 | } | |
428 | ||
c4acf48c MCC |
429 | static inline void print_err_status(struct tm6000_core *dev, |
430 | int packet, int status) | |
5f796752 MCC |
431 | { |
432 | char *errmsg = "Unknown"; | |
433 | ||
c4acf48c | 434 | switch (status) { |
5f796752 MCC |
435 | case -ENOENT: |
436 | errmsg = "unlinked synchronuously"; | |
437 | break; | |
438 | case -ECONNRESET: | |
439 | errmsg = "unlinked asynchronuously"; | |
440 | break; | |
441 | case -ENOSR: | |
442 | errmsg = "Buffer error (overrun)"; | |
443 | break; | |
444 | case -EPIPE: | |
445 | errmsg = "Stalled (device not responding)"; | |
446 | break; | |
447 | case -EOVERFLOW: | |
448 | errmsg = "Babble (bad cable?)"; | |
449 | break; | |
450 | case -EPROTO: | |
451 | errmsg = "Bit-stuff error (bad cable?)"; | |
452 | break; | |
453 | case -EILSEQ: | |
454 | errmsg = "CRC/Timeout (could be anything)"; | |
455 | break; | |
456 | case -ETIME: | |
457 | errmsg = "Device does not respond"; | |
458 | break; | |
459 | } | |
c4acf48c | 460 | if (packet < 0) { |
5f796752 MCC |
461 | dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", |
462 | status, errmsg); | |
463 | } else { | |
c4acf48c MCC |
464 | dprintk(dev, V4L2_DEBUG_QUEUE, |
465 | "URB packet %d, status %d [%s].\n", | |
5f796752 MCC |
466 | packet, status, errmsg); |
467 | } | |
468 | } | |
469 | ||
470 | ||
9701dc94 MCC |
471 | /* |
472 | * Controls the isoc copy of each urb packet | |
473 | */ | |
474 | static inline int tm6000_isoc_copy(struct urb *urb, struct tm6000_buffer **buf) | |
475 | { | |
476 | struct tm6000_dmaqueue *dma_q = urb->context; | |
c4acf48c MCC |
477 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
478 | void *outp = videobuf_to_vmalloc(&((*buf)->vb)); | |
479 | int i, len = 0, rc = 1; | |
480 | int size = (*buf)->vb.size; | |
9701dc94 | 481 | char *p; |
c4acf48c | 482 | unsigned long copied = 0; |
9701dc94 | 483 | |
c4acf48c MCC |
484 | if (urb->status < 0) { |
485 | print_err_status(dev, -1, urb->status); | |
5f796752 MCC |
486 | return 0; |
487 | } | |
9701dc94 MCC |
488 | |
489 | for (i = 0; i < urb->number_of_packets; i++) { | |
490 | int status = urb->iso_frame_desc[i].status; | |
9701dc94 | 491 | |
c4acf48c MCC |
492 | if (status < 0) { |
493 | print_err_status(dev, i, status); | |
9701dc94 | 494 | continue; |
5f796752 | 495 | } |
9701dc94 | 496 | |
c4acf48c MCC |
497 | len = urb->iso_frame_desc[i].actual_length; |
498 | ||
499 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
500 | if (!urb->iso_frame_desc[i].status) { | |
501 | if (((*buf)->fmt->fourcc) == V4L2_PIX_FMT_TM6000) { | |
502 | rc = copy_multiplexed(p, outp, len, urb, buf); | |
503 | if (rc <= 0) | |
504 | return rc; | |
505 | } else | |
506 | copy_streams(p, outp, len, urb, buf); | |
507 | } | |
508 | copied += len; | |
509 | if (copied >= size) | |
510 | break; | |
9701dc94 | 511 | } |
9701dc94 MCC |
512 | return rc; |
513 | } | |
514 | ||
515 | /* ------------------------------------------------------------------ | |
516 | URB control | |
517 | ------------------------------------------------------------------*/ | |
518 | ||
519 | /* | |
520 | * IRQ callback, called by URB callback | |
521 | */ | |
522 | static void tm6000_irq_callback(struct urb *urb) | |
523 | { | |
524 | struct tm6000_buffer *buf; | |
525 | struct tm6000_dmaqueue *dma_q = urb->context; | |
c4acf48c | 526 | struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); |
ee1fc07c | 527 | int rc; |
9701dc94 MCC |
528 | unsigned long flags; |
529 | ||
c4acf48c | 530 | spin_lock_irqsave(&dev->slock, flags); |
9701dc94 | 531 | |
c4acf48c | 532 | buf = dev->isoc_ctl.buf; |
a228618c MCC |
533 | |
534 | if (!buf) { | |
c4acf48c MCC |
535 | rc = get_next_buf(dma_q, &buf); |
536 | if (rc <= 0) | |
a228618c MCC |
537 | goto ret; |
538 | } | |
9701dc94 MCC |
539 | |
540 | /* Copy data from URB */ | |
c4acf48c | 541 | rc = tm6000_isoc_copy(urb, &buf); |
9701dc94 | 542 | |
c4acf48c | 543 | dev->isoc_ctl.buf = buf; |
9701dc94 | 544 | ret: |
9701dc94 | 545 | |
c4acf48c MCC |
546 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
547 | if (urb->status) | |
9701dc94 MCC |
548 | tm6000_err("urb resubmit failed (error=%i)\n", |
549 | urb->status); | |
9701dc94 | 550 | |
c4acf48c | 551 | spin_unlock_irqrestore(&dev->slock, flags); |
9701dc94 MCC |
552 | } |
553 | ||
554 | /* | |
555 | * Stop and Deallocate URBs | |
556 | */ | |
557 | static void tm6000_uninit_isoc(struct tm6000_core *dev) | |
558 | { | |
559 | struct urb *urb; | |
560 | int i; | |
561 | ||
ee1fc07c MCC |
562 | dev->isoc_ctl.nfields = -1; |
563 | dev->isoc_ctl.buf = NULL; | |
9701dc94 MCC |
564 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
565 | urb=dev->isoc_ctl.urb[i]; | |
566 | if (urb) { | |
567 | usb_kill_urb(urb); | |
568 | usb_unlink_urb(urb); | |
569 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
570 | usb_buffer_free(dev->udev, | |
571 | urb->transfer_buffer_length, | |
572 | dev->isoc_ctl.transfer_buffer[i], | |
573 | urb->transfer_dma); | |
574 | } | |
575 | usb_free_urb(urb); | |
576 | dev->isoc_ctl.urb[i] = NULL; | |
577 | } | |
578 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
579 | } | |
580 | ||
581 | kfree (dev->isoc_ctl.urb); | |
582 | kfree (dev->isoc_ctl.transfer_buffer); | |
c144c037 | 583 | |
9701dc94 MCC |
584 | dev->isoc_ctl.urb=NULL; |
585 | dev->isoc_ctl.transfer_buffer=NULL; | |
c144c037 | 586 | dev->isoc_ctl.num_bufs = 0; |
9701dc94 MCC |
587 | |
588 | dev->isoc_ctl.num_bufs=0; | |
589 | } | |
590 | ||
9701dc94 MCC |
591 | /* |
592 | * Allocate URBs and start IRQ | |
593 | */ | |
ee1fc07c | 594 | static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize) |
9701dc94 MCC |
595 | { |
596 | struct tm6000_dmaqueue *dma_q = &dev->vidq; | |
ee1fc07c | 597 | int i, j, sb_size, pipe, size, max_packets, num_bufs = 5; |
9701dc94 | 598 | struct urb *urb; |
204193d9 | 599 | |
9701dc94 MCC |
600 | /* De-allocates all pending stuff */ |
601 | tm6000_uninit_isoc(dev); | |
602 | ||
ee1fc07c MCC |
603 | pipe = usb_rcvisocpipe(dev->udev, |
604 | dev->isoc_in->desc.bEndpointAddress & | |
605 | USB_ENDPOINT_NUMBER_MASK); | |
606 | ||
607 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
608 | ||
609 | if (size > dev->max_isoc_in) | |
610 | size = dev->max_isoc_in; | |
611 | ||
612 | dev->isoc_ctl.max_pkt_size = size; | |
613 | ||
614 | max_packets = ( framesize + size - 1) / size; | |
615 | ||
616 | if (max_packets > TM6000_MAX_ISO_PACKETS) | |
617 | max_packets = TM6000_MAX_ISO_PACKETS; | |
618 | ||
619 | sb_size = max_packets * size; | |
620 | ||
621 | dev->isoc_ctl.num_bufs = num_bufs; | |
622 | ||
c144c037 | 623 | dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
9701dc94 MCC |
624 | if (!dev->isoc_ctl.urb) { |
625 | tm6000_err("cannot alloc memory for usb buffers\n"); | |
626 | return -ENOMEM; | |
627 | } | |
628 | ||
ee1fc07c | 629 | dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, |
9701dc94 MCC |
630 | GFP_KERNEL); |
631 | if (!dev->isoc_ctl.urb) { | |
632 | tm6000_err("cannot allocate memory for usbtransfer\n"); | |
633 | kfree(dev->isoc_ctl.urb); | |
634 | return -ENOMEM; | |
635 | } | |
636 | ||
ee1fc07c MCC |
637 | dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" |
638 | " (%d bytes) of %d bytes each to handle %u size\n", | |
639 | max_packets, num_bufs, sb_size, | |
640 | dev->max_isoc_in, size); | |
9701dc94 MCC |
641 | |
642 | ||
643 | /* allocate urbs and transfer buffers */ | |
644 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
645 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
646 | if (!urb) { | |
647 | tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); | |
648 | tm6000_uninit_isoc(dev); | |
c1a16414 | 649 | usb_free_urb(urb); |
9701dc94 MCC |
650 | return -ENOMEM; |
651 | } | |
652 | dev->isoc_ctl.urb[i] = urb; | |
653 | ||
654 | dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->udev, | |
c13dd704 | 655 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
9701dc94 MCC |
656 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
657 | tm6000_err ("unable to allocate %i bytes for transfer" | |
a228618c MCC |
658 | " buffer %i%s\n", |
659 | sb_size, i, | |
660 | in_interrupt()?" while in int":""); | |
9701dc94 MCC |
661 | tm6000_uninit_isoc(dev); |
662 | return -ENOMEM; | |
663 | } | |
664 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
665 | ||
ee1fc07c MCC |
666 | usb_fill_bulk_urb(urb, dev->udev, pipe, |
667 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
668 | tm6000_irq_callback, dma_q); | |
c144c037 | 669 | urb->interval = dev->isoc_in->desc.bInterval; |
9701dc94 | 670 | urb->number_of_packets = max_packets; |
ee1fc07c | 671 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
9701dc94 | 672 | |
9701dc94 | 673 | for (j = 0; j < max_packets; j++) { |
ee1fc07c MCC |
674 | urb->iso_frame_desc[j].offset = size * j; |
675 | urb->iso_frame_desc[j].length = size; | |
9701dc94 MCC |
676 | } |
677 | } | |
678 | ||
679 | return 0; | |
680 | } | |
681 | ||
c144c037 | 682 | static int tm6000_start_thread( struct tm6000_core *dev) |
9701dc94 | 683 | { |
c144c037 MCC |
684 | struct tm6000_dmaqueue *dma_q = &dev->vidq; |
685 | int i; | |
9701dc94 MCC |
686 | |
687 | dma_q->frame=0; | |
688 | dma_q->ini_jiffies=jiffies; | |
689 | ||
690 | init_waitqueue_head(&dma_q->wq); | |
691 | ||
692 | /* submit urbs and enables IRQ */ | |
693 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
c144c037 | 694 | int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
9701dc94 MCC |
695 | if (rc) { |
696 | tm6000_err("submit of urb %i failed (error=%i)\n", i, | |
697 | rc); | |
698 | tm6000_uninit_isoc(dev); | |
699 | return rc; | |
700 | } | |
701 | } | |
702 | ||
9701dc94 MCC |
703 | return 0; |
704 | } | |
705 | ||
9701dc94 MCC |
706 | /* ------------------------------------------------------------------ |
707 | Videobuf operations | |
708 | ------------------------------------------------------------------*/ | |
95a83824 | 709 | |
9701dc94 MCC |
710 | static int |
711 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
712 | { | |
713 | struct tm6000_fh *fh = vq->priv_data; | |
714 | ||
715 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
716 | if (0 == *count) | |
95a83824 ML |
717 | *count = TM6000_DEF_BUF; |
718 | ||
719 | if (*count < TM6000_MIN_BUF) { | |
720 | *count=TM6000_MIN_BUF; | |
721 | } | |
722 | ||
9701dc94 MCC |
723 | while (*size * *count > vid_limit * 1024 * 1024) |
724 | (*count)--; | |
95a83824 | 725 | |
9701dc94 MCC |
726 | return 0; |
727 | } | |
728 | ||
729 | static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) | |
730 | { | |
731 | if (in_interrupt()) | |
732 | BUG(); | |
733 | ||
734 | videobuf_waiton(&buf->vb,0,0); | |
735 | videobuf_vmalloc_free(&buf->vb); | |
47878f16 | 736 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
737 | } |
738 | ||
739 | static int | |
740 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
741 | enum v4l2_field field) | |
742 | { | |
743 | struct tm6000_fh *fh = vq->priv_data; | |
744 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
745 | struct tm6000_core *dev = fh->dev; | |
204193d9 | 746 | int rc = 0, urb_init = 0; |
9701dc94 MCC |
747 | |
748 | BUG_ON(NULL == fh->fmt); | |
749 | ||
9701dc94 MCC |
750 | |
751 | /* FIXME: It assumes depth=2 */ | |
752 | /* The only currently supported format is 16 bits/pixel */ | |
753 | buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 3; | |
754 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
755 | return -EINVAL; | |
756 | ||
757 | if (buf->fmt != fh->fmt || | |
758 | buf->vb.width != fh->width || | |
759 | buf->vb.height != fh->height || | |
760 | buf->vb.field != field) { | |
761 | buf->fmt = fh->fmt; | |
762 | buf->vb.width = fh->width; | |
763 | buf->vb.height = fh->height; | |
764 | buf->vb.field = field; | |
47878f16 | 765 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
9701dc94 MCC |
766 | } |
767 | ||
47878f16 | 768 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
ee1fc07c | 769 | if (0 != (rc = videobuf_iolock(vq, &buf->vb, NULL))) |
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) { | |
ee1fc07c | 778 | rc = tm6000_prepare_isoc(dev, buf->vb.size); |
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 | { | |
799 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
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 | { | |
810 | struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb); | |
9701dc94 MCC |
811 | |
812 | free_buffer(vq,buf); | |
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 | /* ------------------------------------------------------------------ | |
823 | IOCTL handling | |
824 | ------------------------------------------------------------------*/ | |
825 | ||
826 | static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh) | |
827 | { | |
828 | /* is it free? */ | |
829 | mutex_lock(&dev->lock); | |
830 | if (dev->resources) { | |
831 | /* no, someone else uses it */ | |
832 | mutex_unlock(&dev->lock); | |
833 | return 0; | |
834 | } | |
835 | /* it's free, grab it */ | |
836 | dev->resources =1; | |
837 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); | |
838 | mutex_unlock(&dev->lock); | |
839 | return 1; | |
840 | } | |
841 | ||
842 | static int res_locked(struct tm6000_core *dev) | |
843 | { | |
844 | return (dev->resources); | |
845 | } | |
846 | ||
847 | static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) | |
848 | { | |
849 | mutex_lock(&dev->lock); | |
850 | dev->resources = 0; | |
851 | dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); | |
852 | mutex_unlock(&dev->lock); | |
853 | } | |
854 | ||
855 | /* ------------------------------------------------------------------ | |
856 | IOCTL vidioc handling | |
857 | ------------------------------------------------------------------*/ | |
858 | static int vidioc_querycap (struct file *file, void *priv, | |
859 | struct v4l2_capability *cap) | |
860 | { | |
861 | // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
862 | ||
863 | strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); | |
864 | strlcpy(cap->card,"Trident TVMaster TM5600/6000", sizeof(cap->card)); | |
865 | // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info)); | |
866 | cap->version = TM6000_VERSION; | |
867 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
868 | V4L2_CAP_STREAMING | | |
869 | V4L2_CAP_TUNER | | |
870 | V4L2_CAP_READWRITE; | |
871 | return 0; | |
872 | } | |
873 | ||
874 | static int vidioc_enum_fmt_cap (struct file *file, void *priv, | |
875 | struct v4l2_fmtdesc *f) | |
876 | { | |
877 | if (unlikely(f->index >= ARRAY_SIZE(format))) | |
878 | return -EINVAL; | |
879 | ||
880 | strlcpy(f->description,format[f->index].name,sizeof(f->description)); | |
881 | f->pixelformat = format[f->index].fourcc; | |
882 | return 0; | |
883 | } | |
884 | ||
885 | static int vidioc_g_fmt_cap (struct file *file, void *priv, | |
886 | struct v4l2_format *f) | |
887 | { | |
888 | struct tm6000_fh *fh=priv; | |
889 | ||
890 | f->fmt.pix.width = fh->width; | |
891 | f->fmt.pix.height = fh->height; | |
892 | f->fmt.pix.field = fh->vb_vidq.field; | |
893 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
894 | f->fmt.pix.bytesperline = | |
895 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
896 | f->fmt.pix.sizeimage = | |
897 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
898 | ||
899 | return (0); | |
900 | } | |
901 | ||
902 | static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc) | |
903 | { | |
904 | unsigned int i; | |
905 | ||
906 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
907 | if (format[i].fourcc == fourcc) | |
908 | return format+i; | |
909 | return NULL; | |
910 | } | |
911 | ||
912 | static int vidioc_try_fmt_cap (struct file *file, void *priv, | |
913 | struct v4l2_format *f) | |
914 | { | |
915 | struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; | |
916 | struct tm6000_fmt *fmt; | |
917 | enum v4l2_field field; | |
918 | ||
919 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
920 | if (NULL == fmt) { | |
921 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" | |
922 | " invalid.\n", f->fmt.pix.pixelformat); | |
923 | return -EINVAL; | |
924 | } | |
925 | ||
926 | field = f->fmt.pix.field; | |
927 | ||
928 | if (field == V4L2_FIELD_ANY) { | |
929 | // field=V4L2_FIELD_INTERLACED; | |
930 | field=V4L2_FIELD_SEQ_TB; | |
931 | } else if (V4L2_FIELD_INTERLACED != field) { | |
932 | dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); | |
933 | return -EINVAL; | |
934 | } | |
935 | ||
4475c044 | 936 | tm6000_get_std_res (dev); |
9701dc94 | 937 | |
4475c044 MCC |
938 | f->fmt.pix.width = dev->width; |
939 | f->fmt.pix.height = dev->height; | |
9701dc94 MCC |
940 | |
941 | f->fmt.pix.width &= ~0x01; | |
942 | ||
943 | f->fmt.pix.field = field; | |
944 | ||
945 | f->fmt.pix.bytesperline = | |
946 | (f->fmt.pix.width * fmt->depth) >> 3; | |
947 | f->fmt.pix.sizeimage = | |
948 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
949 | ||
950 | return 0; | |
951 | } | |
952 | ||
953 | /*FIXME: This seems to be generic enough to be at videodev2 */ | |
954 | static int vidioc_s_fmt_cap (struct file *file, void *priv, | |
955 | struct v4l2_format *f) | |
956 | { | |
957 | struct tm6000_fh *fh=priv; | |
958 | struct tm6000_core *dev = fh->dev; | |
959 | int ret = vidioc_try_fmt_cap(file,fh,f); | |
960 | if (ret < 0) | |
961 | return (ret); | |
962 | ||
963 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
964 | fh->width = f->fmt.pix.width; | |
965 | fh->height = f->fmt.pix.height; | |
966 | fh->vb_vidq.field = f->fmt.pix.field; | |
967 | fh->type = f->type; | |
968 | ||
969 | dev->fourcc = f->fmt.pix.pixelformat; | |
970 | ||
971 | tm6000_set_fourcc_format(dev); | |
972 | ||
973 | return (0); | |
974 | } | |
975 | ||
976 | static int vidioc_reqbufs (struct file *file, void *priv, | |
977 | struct v4l2_requestbuffers *p) | |
978 | { | |
979 | struct tm6000_fh *fh=priv; | |
980 | ||
981 | return (videobuf_reqbufs(&fh->vb_vidq, p)); | |
982 | } | |
983 | ||
984 | static int vidioc_querybuf (struct file *file, void *priv, | |
985 | struct v4l2_buffer *p) | |
986 | { | |
987 | struct tm6000_fh *fh=priv; | |
988 | ||
989 | return (videobuf_querybuf(&fh->vb_vidq, p)); | |
990 | } | |
991 | ||
992 | static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
993 | { | |
994 | struct tm6000_fh *fh=priv; | |
995 | ||
996 | return (videobuf_qbuf(&fh->vb_vidq, p)); | |
997 | } | |
998 | ||
999 | static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) | |
1000 | { | |
1001 | struct tm6000_fh *fh=priv; | |
1002 | ||
1003 | return (videobuf_dqbuf(&fh->vb_vidq, p, | |
1004 | file->f_flags & O_NONBLOCK)); | |
1005 | } | |
1006 | ||
1007 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1008 | static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) | |
1009 | { | |
1010 | struct tm6000_fh *fh=priv; | |
1011 | ||
1012 | return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); | |
1013 | } | |
1014 | #endif | |
1015 | ||
1016 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) | |
1017 | { | |
1018 | struct tm6000_fh *fh=priv; | |
1019 | struct tm6000_core *dev = fh->dev; | |
1020 | ||
1021 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1022 | return -EINVAL; | |
1023 | if (i != fh->type) | |
1024 | return -EINVAL; | |
1025 | ||
1026 | if (!res_get(dev,fh)) | |
1027 | return -EBUSY; | |
1028 | return (videobuf_streamon(&fh->vb_vidq)); | |
1029 | } | |
1030 | ||
1031 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) | |
1032 | { | |
1033 | struct tm6000_fh *fh=priv; | |
1034 | struct tm6000_core *dev = fh->dev; | |
1035 | ||
1036 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1037 | return -EINVAL; | |
1038 | if (i != fh->type) | |
1039 | return -EINVAL; | |
1040 | ||
1041 | videobuf_streamoff(&fh->vb_vidq); | |
1042 | res_free(dev,fh); | |
1043 | ||
1044 | return (0); | |
1045 | } | |
1046 | ||
1047 | static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm) | |
1048 | { | |
1049 | int rc=0; | |
1050 | struct tm6000_fh *fh=priv; | |
1051 | struct tm6000_core *dev = fh->dev; | |
1052 | ||
1053 | rc=tm6000_set_standard (dev, norm); | |
71e7cfae MCC |
1054 | |
1055 | fh->width = dev->width; | |
1056 | fh->height = dev->height; | |
1057 | ||
9701dc94 MCC |
1058 | if (rc<0) |
1059 | return rc; | |
1060 | ||
1061 | tm6000_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm); | |
1062 | ||
1063 | return 0; | |
1064 | } | |
1065 | ||
1066 | static int vidioc_enum_input (struct file *file, void *priv, | |
1067 | struct v4l2_input *inp) | |
1068 | { | |
1069 | switch (inp->index) { | |
1070 | case TM6000_INPUT_TV: | |
1071 | inp->type = V4L2_INPUT_TYPE_TUNER; | |
1072 | strcpy(inp->name,"Television"); | |
1073 | break; | |
1074 | case TM6000_INPUT_COMPOSITE: | |
1075 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1076 | strcpy(inp->name,"Composite"); | |
1077 | break; | |
1078 | case TM6000_INPUT_SVIDEO: | |
1079 | inp->type = V4L2_INPUT_TYPE_CAMERA; | |
1080 | strcpy(inp->name,"S-Video"); | |
1081 | break; | |
1082 | default: | |
1083 | return -EINVAL; | |
1084 | } | |
1085 | inp->std = TM6000_STD; | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
1090 | static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) | |
1091 | { | |
1092 | struct tm6000_fh *fh=priv; | |
1093 | struct tm6000_core *dev = fh->dev; | |
1094 | ||
1095 | *i=dev->input; | |
1096 | ||
1097 | return 0; | |
1098 | } | |
1099 | static int vidioc_s_input (struct file *file, void *priv, unsigned int i) | |
1100 | { | |
1101 | struct tm6000_fh *fh=priv; | |
1102 | struct tm6000_core *dev = fh->dev; | |
1103 | int rc=0; | |
1104 | char buf[1]; | |
1105 | ||
1106 | switch (i) { | |
1107 | case TM6000_INPUT_TV: | |
1108 | dev->input=i; | |
1109 | *buf=0; | |
1110 | break; | |
1111 | case TM6000_INPUT_COMPOSITE: | |
1112 | case TM6000_INPUT_SVIDEO: | |
1113 | dev->input=i; | |
1114 | *buf=1; | |
1115 | break; | |
1116 | default: | |
1117 | return -EINVAL; | |
1118 | } | |
1119 | rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR, | |
1120 | REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1); | |
1121 | ||
1122 | if (!rc) { | |
1123 | dev->input=i; | |
7c3f53ec | 1124 | rc=vidioc_s_std (file, priv, &dev->vfd->current_norm); |
9701dc94 MCC |
1125 | } |
1126 | ||
1127 | return (rc); | |
1128 | } | |
1129 | ||
1130 | /* --- controls ---------------------------------------------- */ | |
1131 | static int vidioc_queryctrl (struct file *file, void *priv, | |
1132 | struct v4l2_queryctrl *qc) | |
1133 | { | |
1134 | int i; | |
1135 | ||
1136 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1137 | if (qc->id && qc->id == tm6000_qctrl[i].id) { | |
1138 | memcpy(qc, &(tm6000_qctrl[i]), | |
1139 | sizeof(*qc)); | |
1140 | return (0); | |
1141 | } | |
1142 | ||
1143 | return -EINVAL; | |
1144 | } | |
1145 | ||
1146 | static int vidioc_g_ctrl (struct file *file, void *priv, | |
1147 | struct v4l2_control *ctrl) | |
1148 | { | |
1149 | struct tm6000_fh *fh=priv; | |
1150 | struct tm6000_core *dev = fh->dev; | |
1151 | int val; | |
1152 | ||
1153 | /* FIXME: Probably, those won't work! Maybe we need shadow regs */ | |
1154 | switch (ctrl->id) { | |
1155 | case V4L2_CID_CONTRAST: | |
1156 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x08, 0); | |
1157 | break; | |
1158 | case V4L2_CID_BRIGHTNESS: | |
1159 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x09, 0); | |
1160 | return 0; | |
1161 | case V4L2_CID_SATURATION: | |
1162 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x0a, 0); | |
1163 | return 0; | |
1164 | case V4L2_CID_HUE: | |
1165 | val=tm6000_get_reg (dev, REQ_07_SET_GET_AVREG, 0x0b, 0); | |
1166 | return 0; | |
1167 | default: | |
1168 | return -EINVAL; | |
1169 | } | |
1170 | ||
1171 | if (val<0) | |
1172 | return val; | |
1173 | ||
1174 | ctrl->value=val; | |
1175 | ||
1176 | return 0; | |
1177 | } | |
1178 | static int vidioc_s_ctrl (struct file *file, void *priv, | |
1179 | struct v4l2_control *ctrl) | |
1180 | { | |
1181 | struct tm6000_fh *fh =priv; | |
1182 | struct tm6000_core *dev = fh->dev; | |
1183 | u8 val=ctrl->value; | |
1184 | ||
1185 | switch (ctrl->id) { | |
1186 | case V4L2_CID_CONTRAST: | |
1187 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x08, val); | |
1188 | return 0; | |
1189 | case V4L2_CID_BRIGHTNESS: | |
1190 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x09, val); | |
1191 | return 0; | |
1192 | case V4L2_CID_SATURATION: | |
1193 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x0a, val); | |
1194 | return 0; | |
1195 | case V4L2_CID_HUE: | |
1196 | tm6000_set_reg (dev, REQ_07_SET_GET_AVREG, 0x0b, val); | |
1197 | return 0; | |
1198 | } | |
1199 | return -EINVAL; | |
1200 | } | |
1201 | ||
1202 | static int vidioc_g_tuner (struct file *file, void *priv, | |
1203 | struct v4l2_tuner *t) | |
1204 | { | |
1205 | struct tm6000_fh *fh =priv; | |
1206 | struct tm6000_core *dev = fh->dev; | |
1207 | ||
1208 | if (unlikely(UNSET == dev->tuner_type)) | |
1209 | return -EINVAL; | |
1210 | if (0 != t->index) | |
1211 | return -EINVAL; | |
1212 | ||
1213 | strcpy(t->name, "Television"); | |
1214 | t->type = V4L2_TUNER_ANALOG_TV; | |
1215 | t->capability = V4L2_TUNER_CAP_NORM; | |
1216 | t->rangehigh = 0xffffffffUL; | |
1217 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | static int vidioc_s_tuner (struct file *file, void *priv, | |
1223 | struct v4l2_tuner *t) | |
1224 | { | |
1225 | struct tm6000_fh *fh =priv; | |
1226 | struct tm6000_core *dev = fh->dev; | |
1227 | ||
1228 | if (UNSET == dev->tuner_type) | |
1229 | return -EINVAL; | |
1230 | if (0 != t->index) | |
1231 | return -EINVAL; | |
1232 | ||
1233 | return 0; | |
1234 | } | |
1235 | ||
1236 | static int vidioc_g_frequency (struct file *file, void *priv, | |
1237 | struct v4l2_frequency *f) | |
1238 | { | |
1239 | struct tm6000_fh *fh =priv; | |
1240 | struct tm6000_core *dev = fh->dev; | |
1241 | ||
1242 | if (unlikely(UNSET == dev->tuner_type)) | |
1243 | return -EINVAL; | |
1244 | ||
1245 | f->type = V4L2_TUNER_ANALOG_TV; | |
1246 | f->frequency = dev->freq; | |
1247 | ||
1248 | tm6000_i2c_call_clients(dev,VIDIOC_G_FREQUENCY,f); | |
1249 | ||
1250 | return 0; | |
1251 | } | |
1252 | ||
1253 | static int vidioc_s_frequency (struct file *file, void *priv, | |
1254 | struct v4l2_frequency *f) | |
1255 | { | |
1256 | struct tm6000_fh *fh =priv; | |
1257 | struct tm6000_core *dev = fh->dev; | |
1258 | ||
1259 | if (unlikely(f->type != V4L2_TUNER_ANALOG_TV)) | |
1260 | return -EINVAL; | |
1261 | ||
1262 | if (unlikely(UNSET == dev->tuner_type)) | |
1263 | return -EINVAL; | |
1264 | if (unlikely(f->tuner != 0)) | |
1265 | return -EINVAL; | |
1266 | ||
1267 | // mutex_lock(&dev->lock); | |
1268 | dev->freq = f->frequency; | |
1269 | tm6000_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f); | |
1270 | // mutex_unlock(&dev->lock); | |
1271 | ||
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | /* ------------------------------------------------------------------ | |
1276 | File operations for the device | |
1277 | ------------------------------------------------------------------*/ | |
1278 | ||
1279 | static int tm6000_open(struct inode *inode, struct file *file) | |
1280 | { | |
1281 | int minor = iminor(inode); | |
1282 | struct tm6000_core *h,*dev = NULL; | |
1283 | struct tm6000_fh *fh; | |
1284 | struct list_head *list; | |
1285 | enum v4l2_buf_type type = 0; | |
1286 | int i,rc; | |
1287 | ||
7c3f53ec ML |
1288 | printk(KERN_INFO "tm6000: open called (minor=%d)\n",minor); |
1289 | ||
1290 | ||
9701dc94 MCC |
1291 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called " |
1292 | "(minor=%d)\n",minor); | |
1293 | ||
1294 | list_for_each(list,&tm6000_corelist) { | |
1295 | h = list_entry(list, struct tm6000_core, tm6000_corelist); | |
7c3f53ec | 1296 | if (h->vfd->minor == minor) { |
9701dc94 MCC |
1297 | dev = h; |
1298 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1299 | } | |
1300 | } | |
1301 | if (NULL == dev) | |
1302 | return -ENODEV; | |
1303 | ||
1304 | ||
1305 | /* If more than one user, mutex should be added */ | |
1306 | dev->users++; | |
1307 | ||
1308 | dprintk(dev, V4L2_DEBUG_OPEN, "open minor=%d type=%s users=%d\n", | |
1309 | minor,v4l2_type_names[type],dev->users); | |
1310 | ||
1311 | /* allocate + initialize per filehandle data */ | |
1312 | fh = kzalloc(sizeof(*fh),GFP_KERNEL); | |
1313 | if (NULL == fh) { | |
1314 | dev->users--; | |
1315 | return -ENOMEM; | |
1316 | } | |
1317 | ||
1318 | file->private_data = fh; | |
1319 | fh->dev = dev; | |
1320 | ||
1321 | fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1322 | dev->fourcc = format[0].fourcc; | |
1323 | ||
1324 | fh->fmt = format_by_fourcc(dev->fourcc); | |
4475c044 MCC |
1325 | |
1326 | tm6000_get_std_res (dev); | |
1327 | ||
1328 | fh->width = dev->width; | |
1329 | fh->height = dev->height; | |
9701dc94 MCC |
1330 | |
1331 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " | |
1332 | "dev->vidq=0x%08lx\n", | |
1333 | (unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq); | |
1334 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1335 | "queued=%d\n",list_empty(&dev->vidq.queued)); | |
1336 | dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " | |
1337 | "active=%d\n",list_empty(&dev->vidq.active)); | |
1338 | ||
1339 | /* initialize hardware on analog mode */ | |
1340 | if (dev->mode!=TM6000_MODE_ANALOG) { | |
1341 | rc=tm6000_init_analog_mode (dev); | |
1342 | if (rc<0) | |
1343 | return rc; | |
1344 | ||
1345 | /* Put all controls at a sane state */ | |
1346 | for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) | |
1347 | qctl_regs[i] =tm6000_qctrl[i].default_value; | |
1348 | ||
1349 | dev->mode=TM6000_MODE_ANALOG; | |
1350 | } | |
1351 | ||
1352 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, | |
1353 | NULL, &dev->slock, | |
1354 | fh->type, | |
1355 | V4L2_FIELD_INTERLACED, | |
1356 | sizeof(struct tm6000_buffer),fh); | |
1357 | ||
1358 | return 0; | |
1359 | } | |
1360 | ||
1361 | static ssize_t | |
1362 | tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) | |
1363 | { | |
1364 | struct tm6000_fh *fh = file->private_data; | |
1365 | ||
1366 | if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1367 | if (res_locked(fh->dev)) | |
1368 | return -EBUSY; | |
1369 | ||
1370 | return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, | |
1371 | file->f_flags & O_NONBLOCK); | |
1372 | } | |
1373 | return 0; | |
1374 | } | |
1375 | ||
1376 | static unsigned int | |
1377 | tm6000_poll(struct file *file, struct poll_table_struct *wait) | |
1378 | { | |
1379 | struct tm6000_fh *fh = file->private_data; | |
1380 | struct tm6000_buffer *buf; | |
1381 | ||
1382 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
1383 | return POLLERR; | |
1384 | ||
1385 | if (res_get(fh->dev,fh)) { | |
1386 | /* streaming capture */ | |
1387 | if (list_empty(&fh->vb_vidq.stream)) | |
1388 | return POLLERR; | |
1389 | buf = list_entry(fh->vb_vidq.stream.next,struct tm6000_buffer,vb.stream); | |
1390 | } else { | |
1391 | /* read() capture */ | |
dc6a02aa MCC |
1392 | return videobuf_poll_stream(file, &fh->vb_vidq, |
1393 | wait); | |
9701dc94 MCC |
1394 | } |
1395 | poll_wait(file, &buf->vb.done, wait); | |
47878f16 MCC |
1396 | if (buf->vb.state == VIDEOBUF_DONE || |
1397 | buf->vb.state == VIDEOBUF_ERROR) | |
9701dc94 MCC |
1398 | return POLLIN|POLLRDNORM; |
1399 | return 0; | |
1400 | } | |
1401 | ||
1402 | static int tm6000_release(struct inode *inode, struct file *file) | |
1403 | { | |
1404 | struct tm6000_fh *fh = file->private_data; | |
1405 | struct tm6000_core *dev = fh->dev; | |
9701dc94 MCC |
1406 | int minor = iminor(inode); |
1407 | ||
7c3f53ec ML |
1408 | dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (minor=%d, users=%d)\n",minor,dev->users); |
1409 | ||
a58d35cb MCC |
1410 | dev->users--; |
1411 | ||
1412 | if (!dev->users) { | |
c144c037 | 1413 | tm6000_uninit_isoc(dev); |
a58d35cb MCC |
1414 | videobuf_mmap_free(&fh->vb_vidq); |
1415 | } | |
9701dc94 MCC |
1416 | |
1417 | kfree (fh); | |
1418 | ||
9701dc94 MCC |
1419 | return 0; |
1420 | } | |
1421 | ||
1422 | static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) | |
1423 | { | |
1424 | struct tm6000_fh *fh = file->private_data; | |
1425 | int ret; | |
1426 | ||
1427 | ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1428 | ||
1429 | return ret; | |
1430 | } | |
1431 | ||
1432 | static struct file_operations tm6000_fops = { | |
1433 | .owner = THIS_MODULE, | |
1434 | .open = tm6000_open, | |
1435 | .release = tm6000_release, | |
1436 | .ioctl = video_ioctl2, /* V4L2 ioctl handler */ | |
1437 | .read = tm6000_read, | |
1438 | .poll = tm6000_poll, | |
1439 | .mmap = tm6000_mmap, | |
1440 | .llseek = no_llseek, | |
1441 | }; | |
1442 | ||
1443 | static struct video_device tm6000_template = { | |
1444 | .name = "tm6000", | |
1445 | .type = VID_TYPE_CAPTURE, | |
1446 | .fops = &tm6000_fops, | |
1447 | .minor = -1, | |
1448 | .release = video_device_release, | |
1449 | ||
1450 | .vidioc_querycap = vidioc_querycap, | |
1451 | .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap, | |
1452 | .vidioc_g_fmt_cap = vidioc_g_fmt_cap, | |
1453 | .vidioc_try_fmt_cap = vidioc_try_fmt_cap, | |
1454 | .vidioc_s_fmt_cap = vidioc_s_fmt_cap, | |
1455 | .vidioc_s_std = vidioc_s_std, | |
1456 | .vidioc_enum_input = vidioc_enum_input, | |
1457 | .vidioc_g_input = vidioc_g_input, | |
1458 | .vidioc_s_input = vidioc_s_input, | |
1459 | .vidioc_queryctrl = vidioc_queryctrl, | |
1460 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1461 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1462 | .vidioc_g_tuner = vidioc_g_tuner, | |
1463 | .vidioc_s_tuner = vidioc_s_tuner, | |
1464 | .vidioc_g_frequency = vidioc_g_frequency, | |
1465 | .vidioc_s_frequency = vidioc_s_frequency, | |
1466 | .vidioc_streamon = vidioc_streamon, | |
1467 | .vidioc_streamoff = vidioc_streamoff, | |
1468 | .vidioc_reqbufs = vidioc_reqbufs, | |
1469 | .vidioc_querybuf = vidioc_querybuf, | |
1470 | .vidioc_qbuf = vidioc_qbuf, | |
1471 | .vidioc_dqbuf = vidioc_dqbuf, | |
1472 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1473 | .vidiocgmbuf = vidiocgmbuf, | |
1474 | #endif | |
1475 | .tvnorms = TM6000_STD, | |
1476 | .current_norm = V4L2_STD_NTSC_M, | |
1477 | }; | |
1478 | /* ----------------------------------------------------------------- | |
1479 | Initialization and module stuff | |
1480 | ------------------------------------------------------------------*/ | |
1481 | ||
1482 | int tm6000_v4l2_register(struct tm6000_core *dev) | |
1483 | { | |
7c3f53ec ML |
1484 | int ret = -1; |
1485 | struct video_device *vfd; | |
1486 | ||
1487 | vfd = video_device_alloc(); | |
1488 | if(!vfd) { | |
1489 | return -ENOMEM; | |
1490 | } | |
1491 | dev->vfd = vfd; | |
9701dc94 MCC |
1492 | |
1493 | list_add_tail(&dev->tm6000_corelist,&tm6000_corelist); | |
1494 | ||
1495 | /* init video dma queues */ | |
1496 | INIT_LIST_HEAD(&dev->vidq.active); | |
1497 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1498 | ||
7c3f53ec ML |
1499 | memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); |
1500 | dev->vfd->debug=tm6000_debug; | |
9701dc94 | 1501 | |
7c3f53ec | 1502 | ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); |
9701dc94 MCC |
1503 | printk(KERN_INFO "Trident TVMaster TM5600/TM6000 USB2 board (Load status: %d)\n", ret); |
1504 | return ret; | |
1505 | } | |
1506 | ||
1507 | int tm6000_v4l2_unregister(struct tm6000_core *dev) | |
1508 | { | |
1509 | struct tm6000_core *h; | |
22927e8e | 1510 | struct list_head *pos, *tmp; |
9701dc94 | 1511 | |
7c3f53ec | 1512 | video_unregister_device(dev->vfd); |
22927e8e ML |
1513 | |
1514 | list_for_each_safe(pos, tmp, &tm6000_corelist) { | |
1515 | h = list_entry(pos, struct tm6000_core, tm6000_corelist); | |
9701dc94 | 1516 | if (h == dev) { |
8c9d26fd | 1517 | list_del(pos); |
9701dc94 MCC |
1518 | } |
1519 | } | |
1520 | ||
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | int tm6000_v4l2_exit(void) | |
1525 | { | |
1526 | return 0; | |
1527 | } | |
1528 | ||
1529 | module_param(video_nr, int, 0); | |
1530 | MODULE_PARM_DESC(video_nr,"Allow changing video device number"); | |
1531 | ||
1532 | module_param_named (debug, tm6000_debug, int, 0444); | |
1533 | MODULE_PARM_DESC(debug,"activates debug info"); | |
1534 | ||
1535 | module_param(vid_limit,int,0644); | |
1536 | MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); | |
1537 |