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Commit | Line | Data |
---|---|---|
1c1e45d1 HV |
1 | /* |
2 | * cx18 init/start/stop/exit stream functions | |
3 | * | |
4 | * Derived from ivtv-streams.c | |
5 | * | |
6 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> | |
1ed9dcc8 | 7 | * Copyright (C) 2008 Andy Walls <awalls@radix.net> |
1c1e45d1 HV |
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; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
22 | * 02111-1307 USA | |
23 | */ | |
24 | ||
25 | #include "cx18-driver.h" | |
b1526421 | 26 | #include "cx18-io.h" |
1c1e45d1 HV |
27 | #include "cx18-fileops.h" |
28 | #include "cx18-mailbox.h" | |
29 | #include "cx18-i2c.h" | |
30 | #include "cx18-queue.h" | |
31 | #include "cx18-ioctl.h" | |
32 | #include "cx18-streams.h" | |
33 | #include "cx18-cards.h" | |
34 | #include "cx18-scb.h" | |
35 | #include "cx18-av-core.h" | |
36 | #include "cx18-dvb.h" | |
37 | ||
38 | #define CX18_DSP0_INTERRUPT_MASK 0xd0004C | |
39 | ||
40 | static struct file_operations cx18_v4l2_enc_fops = { | |
daf20d95 HV |
41 | .owner = THIS_MODULE, |
42 | .read = cx18_v4l2_read, | |
43 | .open = cx18_v4l2_open, | |
3b6fe58f | 44 | /* FIXME change to video_ioctl2 if serialization lock can be removed */ |
daf20d95 HV |
45 | .ioctl = cx18_v4l2_ioctl, |
46 | .compat_ioctl = v4l_compat_ioctl32, | |
47 | .release = cx18_v4l2_close, | |
48 | .poll = cx18_v4l2_enc_poll, | |
1c1e45d1 HV |
49 | }; |
50 | ||
51 | /* offset from 0 to register ts v4l2 minors on */ | |
52 | #define CX18_V4L2_ENC_TS_OFFSET 16 | |
53 | /* offset from 0 to register pcm v4l2 minors on */ | |
54 | #define CX18_V4L2_ENC_PCM_OFFSET 24 | |
55 | /* offset from 0 to register yuv v4l2 minors on */ | |
56 | #define CX18_V4L2_ENC_YUV_OFFSET 32 | |
57 | ||
58 | static struct { | |
59 | const char *name; | |
60 | int vfl_type; | |
dd89601d | 61 | int num_offset; |
1c1e45d1 HV |
62 | int dma; |
63 | enum v4l2_buf_type buf_type; | |
64 | struct file_operations *fops; | |
65 | } cx18_stream_info[] = { | |
66 | { /* CX18_ENC_STREAM_TYPE_MPG */ | |
67 | "encoder MPEG", | |
68 | VFL_TYPE_GRABBER, 0, | |
69 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
70 | &cx18_v4l2_enc_fops | |
71 | }, | |
72 | { /* CX18_ENC_STREAM_TYPE_TS */ | |
73 | "TS", | |
74 | VFL_TYPE_GRABBER, -1, | |
75 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
76 | &cx18_v4l2_enc_fops | |
77 | }, | |
78 | { /* CX18_ENC_STREAM_TYPE_YUV */ | |
79 | "encoder YUV", | |
80 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_YUV_OFFSET, | |
81 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
82 | &cx18_v4l2_enc_fops | |
83 | }, | |
84 | { /* CX18_ENC_STREAM_TYPE_VBI */ | |
85 | "encoder VBI", | |
86 | VFL_TYPE_VBI, 0, | |
87 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VBI_CAPTURE, | |
88 | &cx18_v4l2_enc_fops | |
89 | }, | |
90 | { /* CX18_ENC_STREAM_TYPE_PCM */ | |
91 | "encoder PCM audio", | |
92 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_PCM_OFFSET, | |
93 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_PRIVATE, | |
94 | &cx18_v4l2_enc_fops | |
95 | }, | |
96 | { /* CX18_ENC_STREAM_TYPE_IDX */ | |
97 | "encoder IDX", | |
98 | VFL_TYPE_GRABBER, -1, | |
99 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
100 | &cx18_v4l2_enc_fops | |
101 | }, | |
102 | { /* CX18_ENC_STREAM_TYPE_RAD */ | |
103 | "encoder radio", | |
104 | VFL_TYPE_RADIO, 0, | |
105 | PCI_DMA_NONE, V4L2_BUF_TYPE_PRIVATE, | |
106 | &cx18_v4l2_enc_fops | |
107 | }, | |
108 | }; | |
109 | ||
110 | static void cx18_stream_init(struct cx18 *cx, int type) | |
111 | { | |
112 | struct cx18_stream *s = &cx->streams[type]; | |
113 | struct video_device *dev = s->v4l2dev; | |
1c1e45d1 HV |
114 | |
115 | /* we need to keep v4l2dev, so restore it afterwards */ | |
116 | memset(s, 0, sizeof(*s)); | |
117 | s->v4l2dev = dev; | |
118 | ||
119 | /* initialize cx18_stream fields */ | |
120 | s->cx = cx; | |
121 | s->type = type; | |
122 | s->name = cx18_stream_info[type].name; | |
d3c5e707 | 123 | s->handle = CX18_INVALID_TASK_HANDLE; |
1c1e45d1 HV |
124 | |
125 | s->dma = cx18_stream_info[type].dma; | |
6ecd86dc | 126 | s->buffers = cx->stream_buffers[type]; |
1c1e45d1 | 127 | s->buf_size = cx->stream_buf_size[type]; |
6ecd86dc | 128 | |
f576ceef | 129 | mutex_init(&s->qlock); |
1c1e45d1 HV |
130 | init_waitqueue_head(&s->waitq); |
131 | s->id = -1; | |
132 | cx18_queue_init(&s->q_free); | |
66c2a6b0 | 133 | cx18_queue_init(&s->q_busy); |
1c1e45d1 | 134 | cx18_queue_init(&s->q_full); |
1c1e45d1 HV |
135 | } |
136 | ||
137 | static int cx18_prep_dev(struct cx18 *cx, int type) | |
138 | { | |
139 | struct cx18_stream *s = &cx->streams[type]; | |
140 | u32 cap = cx->v4l2_cap; | |
dd89601d HV |
141 | int num_offset = cx18_stream_info[type].num_offset; |
142 | int num = cx->num + cx18_first_minor + num_offset; | |
1c1e45d1 HV |
143 | |
144 | /* These four fields are always initialized. If v4l2dev == NULL, then | |
145 | this stream is not in use. In that case no other fields but these | |
146 | four can be used. */ | |
147 | s->v4l2dev = NULL; | |
148 | s->cx = cx; | |
149 | s->type = type; | |
150 | s->name = cx18_stream_info[type].name; | |
151 | ||
152 | /* Check whether the radio is supported */ | |
153 | if (type == CX18_ENC_STREAM_TYPE_RAD && !(cap & V4L2_CAP_RADIO)) | |
154 | return 0; | |
155 | ||
156 | /* Check whether VBI is supported */ | |
157 | if (type == CX18_ENC_STREAM_TYPE_VBI && | |
158 | !(cap & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE))) | |
159 | return 0; | |
160 | ||
1c1e45d1 HV |
161 | /* User explicitly selected 0 buffers for these streams, so don't |
162 | create them. */ | |
163 | if (cx18_stream_info[type].dma != PCI_DMA_NONE && | |
6ecd86dc | 164 | cx->stream_buffers[type] == 0) { |
1c1e45d1 HV |
165 | CX18_INFO("Disabled %s device\n", cx18_stream_info[type].name); |
166 | return 0; | |
167 | } | |
168 | ||
169 | cx18_stream_init(cx, type); | |
170 | ||
dd89601d | 171 | if (num_offset == -1) |
1c1e45d1 HV |
172 | return 0; |
173 | ||
174 | /* allocate and initialize the v4l2 video device structure */ | |
175 | s->v4l2dev = video_device_alloc(); | |
176 | if (s->v4l2dev == NULL) { | |
177 | CX18_ERR("Couldn't allocate v4l2 video_device for %s\n", | |
178 | s->name); | |
179 | return -ENOMEM; | |
180 | } | |
181 | ||
37f89f95 HV |
182 | snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18-%d", |
183 | cx->num); | |
1c1e45d1 | 184 | |
dd89601d | 185 | s->v4l2dev->num = num; |
5e85e732 | 186 | s->v4l2dev->parent = &cx->dev->dev; |
1c1e45d1 HV |
187 | s->v4l2dev->fops = cx18_stream_info[type].fops; |
188 | s->v4l2dev->release = video_device_release; | |
3b6fe58f AW |
189 | s->v4l2dev->tvnorms = V4L2_STD_ALL; |
190 | cx18_set_funcs(s->v4l2dev); | |
1c1e45d1 HV |
191 | return 0; |
192 | } | |
193 | ||
194 | /* Initialize v4l2 variables and register v4l2 devices */ | |
195 | int cx18_streams_setup(struct cx18 *cx) | |
196 | { | |
9b4a7c8a | 197 | int type, ret; |
1c1e45d1 HV |
198 | |
199 | /* Setup V4L2 Devices */ | |
200 | for (type = 0; type < CX18_MAX_STREAMS; type++) { | |
201 | /* Prepare device */ | |
9b4a7c8a AW |
202 | ret = cx18_prep_dev(cx, type); |
203 | if (ret < 0) | |
1c1e45d1 HV |
204 | break; |
205 | ||
206 | /* Allocate Stream */ | |
9b4a7c8a AW |
207 | ret = cx18_stream_alloc(&cx->streams[type]); |
208 | if (ret < 0) | |
1c1e45d1 HV |
209 | break; |
210 | } | |
211 | if (type == CX18_MAX_STREAMS) | |
212 | return 0; | |
213 | ||
214 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 215 | cx18_streams_cleanup(cx, 0); |
9b4a7c8a | 216 | return ret; |
1c1e45d1 HV |
217 | } |
218 | ||
219 | static int cx18_reg_dev(struct cx18 *cx, int type) | |
220 | { | |
221 | struct cx18_stream *s = &cx->streams[type]; | |
222 | int vfl_type = cx18_stream_info[type].vfl_type; | |
9b4a7c8a | 223 | int num, ret; |
1c1e45d1 HV |
224 | |
225 | /* TODO: Shouldn't this be a VFL_TYPE_TRANSPORT or something? | |
226 | * We need a VFL_TYPE_TS defined. | |
227 | */ | |
228 | if (strcmp("TS", s->name) == 0) { | |
229 | /* just return if no DVB is supported */ | |
230 | if ((cx->card->hw_all & CX18_HW_DVB) == 0) | |
231 | return 0; | |
9b4a7c8a AW |
232 | ret = cx18_dvb_register(s); |
233 | if (ret < 0) { | |
1c1e45d1 | 234 | CX18_ERR("DVB failed to register\n"); |
9b4a7c8a | 235 | return ret; |
1c1e45d1 HV |
236 | } |
237 | } | |
238 | ||
239 | if (s->v4l2dev == NULL) | |
240 | return 0; | |
241 | ||
dd89601d HV |
242 | num = s->v4l2dev->num; |
243 | /* card number + user defined offset + device offset */ | |
244 | if (type != CX18_ENC_STREAM_TYPE_MPG) { | |
245 | struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; | |
246 | ||
247 | if (s_mpg->v4l2dev) | |
248 | num = s_mpg->v4l2dev->num + cx18_stream_info[type].num_offset; | |
249 | } | |
1c1e45d1 HV |
250 | |
251 | /* Register device. First try the desired minor, then any free one. */ | |
9b4a7c8a AW |
252 | ret = video_register_device(s->v4l2dev, vfl_type, num); |
253 | if (ret < 0) { | |
dd89601d HV |
254 | CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n", |
255 | s->name, num); | |
1c1e45d1 HV |
256 | video_device_release(s->v4l2dev); |
257 | s->v4l2dev = NULL; | |
9b4a7c8a | 258 | return ret; |
1c1e45d1 | 259 | } |
dd89601d | 260 | num = s->v4l2dev->num; |
1c1e45d1 HV |
261 | |
262 | switch (vfl_type) { | |
263 | case VFL_TYPE_GRABBER: | |
6ecd86dc AW |
264 | CX18_INFO("Registered device video%d for %s (%d x %d kB)\n", |
265 | num, s->name, cx->stream_buffers[type], | |
266 | cx->stream_buf_size[type]/1024); | |
1c1e45d1 HV |
267 | break; |
268 | ||
269 | case VFL_TYPE_RADIO: | |
270 | CX18_INFO("Registered device radio%d for %s\n", | |
dd89601d | 271 | num, s->name); |
1c1e45d1 HV |
272 | break; |
273 | ||
274 | case VFL_TYPE_VBI: | |
6ecd86dc AW |
275 | if (cx->stream_buffers[type]) |
276 | CX18_INFO("Registered device vbi%d for %s " | |
277 | "(%d x %d bytes)\n", | |
278 | num, s->name, cx->stream_buffers[type], | |
279 | cx->stream_buf_size[type]); | |
1c1e45d1 HV |
280 | else |
281 | CX18_INFO("Registered device vbi%d for %s\n", | |
dd89601d | 282 | num, s->name); |
1c1e45d1 HV |
283 | break; |
284 | } | |
285 | ||
286 | return 0; | |
287 | } | |
288 | ||
289 | /* Register v4l2 devices */ | |
290 | int cx18_streams_register(struct cx18 *cx) | |
291 | { | |
292 | int type; | |
9b4a7c8a AW |
293 | int err; |
294 | int ret = 0; | |
1c1e45d1 HV |
295 | |
296 | /* Register V4L2 devices */ | |
9b4a7c8a AW |
297 | for (type = 0; type < CX18_MAX_STREAMS; type++) { |
298 | err = cx18_reg_dev(cx, type); | |
299 | if (err && ret == 0) | |
300 | ret = err; | |
301 | } | |
1c1e45d1 | 302 | |
9b4a7c8a | 303 | if (ret == 0) |
1c1e45d1 HV |
304 | return 0; |
305 | ||
306 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 307 | cx18_streams_cleanup(cx, 1); |
9b4a7c8a | 308 | return ret; |
1c1e45d1 HV |
309 | } |
310 | ||
311 | /* Unregister v4l2 devices */ | |
3f98387e | 312 | void cx18_streams_cleanup(struct cx18 *cx, int unregister) |
1c1e45d1 HV |
313 | { |
314 | struct video_device *vdev; | |
315 | int type; | |
316 | ||
317 | /* Teardown all streams */ | |
318 | for (type = 0; type < CX18_MAX_STREAMS; type++) { | |
fac3639d | 319 | if (cx->streams[type].dvb.enabled) { |
1c1e45d1 | 320 | cx18_dvb_unregister(&cx->streams[type]); |
fac3639d HV |
321 | cx->streams[type].dvb.enabled = false; |
322 | } | |
1c1e45d1 HV |
323 | |
324 | vdev = cx->streams[type].v4l2dev; | |
325 | ||
326 | cx->streams[type].v4l2dev = NULL; | |
327 | if (vdev == NULL) | |
328 | continue; | |
329 | ||
330 | cx18_stream_free(&cx->streams[type]); | |
331 | ||
3f98387e HV |
332 | /* Unregister or release device */ |
333 | if (unregister) | |
334 | video_unregister_device(vdev); | |
335 | else | |
336 | video_device_release(vdev); | |
1c1e45d1 HV |
337 | } |
338 | } | |
339 | ||
340 | static void cx18_vbi_setup(struct cx18_stream *s) | |
341 | { | |
342 | struct cx18 *cx = s->cx; | |
dd073434 | 343 | int raw = cx18_raw_vbi(cx); |
1c1e45d1 HV |
344 | u32 data[CX2341X_MBOX_MAX_DATA]; |
345 | int lines; | |
346 | ||
347 | if (cx->is_60hz) { | |
348 | cx->vbi.count = 12; | |
349 | cx->vbi.start[0] = 10; | |
350 | cx->vbi.start[1] = 273; | |
351 | } else { /* PAL/SECAM */ | |
352 | cx->vbi.count = 18; | |
353 | cx->vbi.start[0] = 6; | |
354 | cx->vbi.start[1] = 318; | |
355 | } | |
356 | ||
357 | /* setup VBI registers */ | |
358 | cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); | |
359 | ||
360 | /* determine number of lines and total number of VBI bytes. | |
af009cf6 | 361 | A raw line takes 1444 bytes: 4 byte SAV code + 2 * 720 |
1c1e45d1 HV |
362 | A sliced line takes 51 bytes: 4 byte frame header, 4 byte internal |
363 | header, 42 data bytes + checksum (to be confirmed) */ | |
364 | if (raw) { | |
365 | lines = cx->vbi.count * 2; | |
366 | } else { | |
367 | lines = cx->is_60hz ? 24 : 38; | |
368 | if (cx->is_60hz) | |
369 | lines += 2; | |
370 | } | |
371 | ||
372 | cx->vbi.enc_size = lines * | |
373 | (raw ? cx->vbi.raw_size : cx->vbi.sliced_size); | |
374 | ||
375 | data[0] = s->handle; | |
376 | /* Lines per field */ | |
377 | data[1] = (lines / 2) | ((lines / 2) << 16); | |
378 | /* bytes per line */ | |
af009cf6 AW |
379 | data[2] = (raw ? cx->vbi.raw_decoder_line_size |
380 | : cx->vbi.sliced_decoder_line_size); | |
1c1e45d1 HV |
381 | /* Every X number of frames a VBI interrupt arrives |
382 | (frames as in 25 or 30 fps) */ | |
383 | data[3] = 1; | |
384 | /* Setup VBI for the cx25840 digitizer */ | |
385 | if (raw) { | |
386 | data[4] = 0x20602060; | |
af009cf6 | 387 | data[5] = 0x307090d0; |
1c1e45d1 HV |
388 | } else { |
389 | data[4] = 0xB0F0B0F0; | |
390 | data[5] = 0xA0E0A0E0; | |
391 | } | |
392 | ||
393 | CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n", | |
394 | data[0], data[1], data[2], data[3], data[4], data[5]); | |
395 | ||
396 | if (s->type == CX18_ENC_STREAM_TYPE_VBI) | |
397 | cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); | |
398 | } | |
399 | ||
66c2a6b0 AW |
400 | struct cx18_queue *cx18_stream_put_buf_fw(struct cx18_stream *s, |
401 | struct cx18_buffer *buf) | |
402 | { | |
403 | struct cx18 *cx = s->cx; | |
404 | struct cx18_queue *q; | |
405 | ||
406 | /* Don't give it to the firmware, if we're not running a capture */ | |
407 | if (s->handle == CX18_INVALID_TASK_HANDLE || | |
408 | !test_bit(CX18_F_S_STREAMING, &s->s_flags)) | |
409 | return cx18_enqueue(s, buf, &s->q_free); | |
410 | ||
411 | q = cx18_enqueue(s, buf, &s->q_busy); | |
412 | if (q != &s->q_busy) | |
413 | return q; /* The firmware has the max buffers it can handle */ | |
414 | ||
415 | cx18_buf_sync_for_device(s, buf); | |
416 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, | |
417 | (void __iomem *) &cx->scb->cpu_mdl[buf->id] - cx->enc_mem, | |
418 | 1, buf->id, s->buf_size); | |
419 | return q; | |
420 | } | |
421 | ||
abb096de | 422 | void cx18_stream_load_fw_queue(struct cx18_stream *s) |
66c2a6b0 | 423 | { |
abb096de | 424 | struct cx18_queue *q; |
66c2a6b0 | 425 | struct cx18_buffer *buf; |
66c2a6b0 | 426 | |
abb096de AW |
427 | if (atomic_read(&s->q_free.buffers) == 0 || |
428 | atomic_read(&s->q_busy.buffers) >= 63) | |
429 | return; | |
430 | ||
431 | /* Move from q_free to q_busy notifying the firmware, until the limit */ | |
432 | do { | |
433 | buf = cx18_dequeue(s, &s->q_free); | |
434 | if (buf == NULL) | |
435 | break; | |
436 | q = cx18_stream_put_buf_fw(s, buf); | |
437 | } while (atomic_read(&s->q_busy.buffers) < 63 && q == &s->q_busy); | |
66c2a6b0 AW |
438 | } |
439 | ||
1c1e45d1 HV |
440 | int cx18_start_v4l2_encode_stream(struct cx18_stream *s) |
441 | { | |
442 | u32 data[MAX_MB_ARGUMENTS]; | |
443 | struct cx18 *cx = s->cx; | |
444 | struct list_head *p; | |
66c2a6b0 | 445 | struct cx18_buffer *buf; |
1c1e45d1 HV |
446 | int ts = 0; |
447 | int captype = 0; | |
448 | ||
449 | if (s->v4l2dev == NULL && s->dvb.enabled == 0) | |
450 | return -EINVAL; | |
451 | ||
452 | CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); | |
453 | ||
454 | switch (s->type) { | |
455 | case CX18_ENC_STREAM_TYPE_MPG: | |
456 | captype = CAPTURE_CHANNEL_TYPE_MPEG; | |
457 | cx->mpg_data_received = cx->vbi_data_inserted = 0; | |
458 | cx->dualwatch_jiffies = jiffies; | |
459 | cx->dualwatch_stereo_mode = cx->params.audio_properties & 0x300; | |
460 | cx->search_pack_header = 0; | |
461 | break; | |
462 | ||
463 | case CX18_ENC_STREAM_TYPE_TS: | |
464 | captype = CAPTURE_CHANNEL_TYPE_TS; | |
465 | ts = 1; | |
466 | break; | |
467 | case CX18_ENC_STREAM_TYPE_YUV: | |
468 | captype = CAPTURE_CHANNEL_TYPE_YUV; | |
469 | break; | |
470 | case CX18_ENC_STREAM_TYPE_PCM: | |
471 | captype = CAPTURE_CHANNEL_TYPE_PCM; | |
472 | break; | |
473 | case CX18_ENC_STREAM_TYPE_VBI: | |
dd073434 AW |
474 | captype = cx18_raw_vbi(cx) ? |
475 | CAPTURE_CHANNEL_TYPE_VBI : CAPTURE_CHANNEL_TYPE_SLICED_VBI; | |
1c1e45d1 HV |
476 | cx->vbi.frame = 0; |
477 | cx->vbi.inserted_frame = 0; | |
478 | memset(cx->vbi.sliced_mpeg_size, | |
479 | 0, sizeof(cx->vbi.sliced_mpeg_size)); | |
480 | break; | |
481 | default: | |
482 | return -EINVAL; | |
483 | } | |
1c1e45d1 HV |
484 | |
485 | /* mute/unmute video */ | |
486 | cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, | |
487 | s->handle, !!test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)); | |
488 | ||
489 | /* Clear Streamoff flags in case left from last capture */ | |
490 | clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); | |
491 | ||
492 | cx18_vapi_result(cx, data, CX18_CREATE_TASK, 1, CPU_CMD_MASK_CAPTURE); | |
493 | s->handle = data[0]; | |
494 | cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); | |
495 | ||
31554ae5 | 496 | if (atomic_read(&cx->ana_capturing) == 0 && !ts) { |
1c1e45d1 HV |
497 | /* Stuff from Windows, we don't know what it is */ |
498 | cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); | |
499 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); | |
500 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0); | |
501 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1); | |
502 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, s->handle, 12); | |
503 | ||
504 | cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3, | |
505 | s->handle, cx->digitizer, cx->digitizer); | |
506 | ||
507 | /* Setup VBI */ | |
508 | if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE) | |
509 | cx18_vbi_setup(s); | |
510 | ||
511 | /* assign program index info. | |
512 | Mask 7: select I/P/B, Num_req: 400 max */ | |
513 | cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 1, 0); | |
514 | ||
515 | /* Setup API for Stream */ | |
516 | cx2341x_update(cx, cx18_api_func, NULL, &cx->params); | |
517 | } | |
518 | ||
31554ae5 | 519 | if (atomic_read(&cx->tot_capturing) == 0) { |
1c1e45d1 | 520 | clear_bit(CX18_F_I_EOS, &cx->i_flags); |
b1526421 | 521 | cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK); |
1c1e45d1 HV |
522 | } |
523 | ||
524 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, | |
990c81c8 AV |
525 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][0] - cx->enc_mem, |
526 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][1] - cx->enc_mem); | |
1c1e45d1 | 527 | |
66c2a6b0 AW |
528 | /* Init all the cpu_mdls for this stream */ |
529 | cx18_flush_queues(s); | |
530 | mutex_lock(&s->qlock); | |
1c1e45d1 | 531 | list_for_each(p, &s->q_free.list) { |
66c2a6b0 | 532 | buf = list_entry(p, struct cx18_buffer, list); |
b1526421 AW |
533 | cx18_writel(cx, buf->dma_handle, |
534 | &cx->scb->cpu_mdl[buf->id].paddr); | |
535 | cx18_writel(cx, s->buf_size, &cx->scb->cpu_mdl[buf->id].length); | |
1c1e45d1 | 536 | } |
66c2a6b0 | 537 | mutex_unlock(&s->qlock); |
abb096de | 538 | cx18_stream_load_fw_queue(s); |
66c2a6b0 | 539 | |
1c1e45d1 HV |
540 | /* begin_capture */ |
541 | if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { | |
542 | CX18_DEBUG_WARN("Error starting capture!\n"); | |
3b5df8ea AW |
543 | /* Ensure we're really not capturing before releasing MDLs */ |
544 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) | |
545 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); | |
546 | else | |
547 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); | |
66c2a6b0 AW |
548 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); |
549 | /* FIXME - CX18_F_S_STREAMOFF as well? */ | |
3b5df8ea | 550 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); |
1c1e45d1 | 551 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
66c2a6b0 AW |
552 | s->handle = CX18_INVALID_TASK_HANDLE; |
553 | if (atomic_read(&cx->tot_capturing) == 0) { | |
554 | set_bit(CX18_F_I_EOS, &cx->i_flags); | |
555 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); | |
556 | } | |
1c1e45d1 HV |
557 | return -EINVAL; |
558 | } | |
559 | ||
560 | /* you're live! sit back and await interrupts :) */ | |
31554ae5 HV |
561 | if (!ts) |
562 | atomic_inc(&cx->ana_capturing); | |
563 | atomic_inc(&cx->tot_capturing); | |
1c1e45d1 HV |
564 | return 0; |
565 | } | |
566 | ||
567 | void cx18_stop_all_captures(struct cx18 *cx) | |
568 | { | |
569 | int i; | |
570 | ||
571 | for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { | |
572 | struct cx18_stream *s = &cx->streams[i]; | |
573 | ||
574 | if (s->v4l2dev == NULL && s->dvb.enabled == 0) | |
575 | continue; | |
576 | if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) | |
577 | cx18_stop_v4l2_encode_stream(s, 0); | |
578 | } | |
579 | } | |
580 | ||
581 | int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) | |
582 | { | |
583 | struct cx18 *cx = s->cx; | |
584 | unsigned long then; | |
585 | ||
586 | if (s->v4l2dev == NULL && s->dvb.enabled == 0) | |
587 | return -EINVAL; | |
588 | ||
589 | /* This function assumes that you are allowed to stop the capture | |
590 | and that we are actually capturing */ | |
591 | ||
592 | CX18_DEBUG_INFO("Stop Capture\n"); | |
593 | ||
31554ae5 | 594 | if (atomic_read(&cx->tot_capturing) == 0) |
1c1e45d1 HV |
595 | return 0; |
596 | ||
597 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) | |
598 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, !gop_end); | |
599 | else | |
600 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); | |
601 | ||
602 | then = jiffies; | |
603 | ||
604 | if (s->type == CX18_ENC_STREAM_TYPE_MPG && gop_end) { | |
605 | CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); | |
606 | } | |
607 | ||
31554ae5 HV |
608 | if (s->type != CX18_ENC_STREAM_TYPE_TS) |
609 | atomic_dec(&cx->ana_capturing); | |
610 | atomic_dec(&cx->tot_capturing); | |
1c1e45d1 HV |
611 | |
612 | /* Clear capture and no-read bits */ | |
613 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); | |
614 | ||
f68d0cf5 AW |
615 | /* Tell the CX23418 it can't use our buffers anymore */ |
616 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); | |
617 | ||
1c1e45d1 | 618 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
d3c5e707 | 619 | s->handle = CX18_INVALID_TASK_HANDLE; |
1c1e45d1 | 620 | |
31554ae5 | 621 | if (atomic_read(&cx->tot_capturing) > 0) |
1c1e45d1 HV |
622 | return 0; |
623 | ||
b1526421 | 624 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); |
1c1e45d1 HV |
625 | wake_up(&s->waitq); |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
630 | u32 cx18_find_handle(struct cx18 *cx) | |
631 | { | |
632 | int i; | |
633 | ||
634 | /* find first available handle to be used for global settings */ | |
635 | for (i = 0; i < CX18_MAX_STREAMS; i++) { | |
636 | struct cx18_stream *s = &cx->streams[i]; | |
637 | ||
d3c5e707 | 638 | if (s->v4l2dev && (s->handle != CX18_INVALID_TASK_HANDLE)) |
1c1e45d1 HV |
639 | return s->handle; |
640 | } | |
d3c5e707 | 641 | return CX18_INVALID_TASK_HANDLE; |
1c1e45d1 | 642 | } |
ee2d64f5 AW |
643 | |
644 | struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle) | |
645 | { | |
646 | int i; | |
647 | struct cx18_stream *s; | |
648 | ||
649 | if (handle == CX18_INVALID_TASK_HANDLE) | |
650 | return NULL; | |
651 | ||
652 | for (i = 0; i < CX18_MAX_STREAMS; i++) { | |
653 | s = &cx->streams[i]; | |
654 | if (s->handle != handle) | |
655 | continue; | |
656 | if (s->v4l2dev || s->dvb.enabled) | |
657 | return s; | |
658 | } | |
659 | return NULL; | |
660 | } |