Commit | Line | Data |
---|---|---|
1a0adaf3 HV |
1 | /* |
2 | init/start/stop/exit stream functions | |
3 | Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> | |
4 | Copyright (C) 2004 Chris Kennedy <c@groovy.org> | |
5 | Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | /* License: GPL | |
23 | * Author: Kevin Thayer <nufan_wfk at yahoo dot com> | |
24 | * | |
25 | * This file will hold API related functions, both internal (firmware api) | |
26 | * and external (v4l2, etc) | |
27 | * | |
28 | * ----- | |
29 | * MPG600/MPG160 support by T.Adachi <tadachi@tadachi-net.com> | |
30 | * and Takeru KOMORIYA<komoriya@paken.org> | |
31 | * | |
32 | * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org> | |
33 | * using information provided by Jiun-Kuei Jung @ AVerMedia. | |
34 | */ | |
35 | ||
36 | #include "ivtv-driver.h" | |
37 | #include "ivtv-fileops.h" | |
1a0adaf3 HV |
38 | #include "ivtv-queue.h" |
39 | #include "ivtv-mailbox.h" | |
1a0adaf3 | 40 | #include "ivtv-ioctl.h" |
33c0fcad | 41 | #include "ivtv-irq.h" |
612570f2 | 42 | #include "ivtv-yuv.h" |
1a0adaf3 | 43 | #include "ivtv-cards.h" |
612570f2 | 44 | #include "ivtv-streams.h" |
914610e8 | 45 | #include "ivtv-firmware.h" |
09250193 | 46 | #include <media/v4l2-event.h> |
1a0adaf3 | 47 | |
bec43661 | 48 | static const struct v4l2_file_operations ivtv_v4l2_enc_fops = { |
daf20d95 HV |
49 | .owner = THIS_MODULE, |
50 | .read = ivtv_v4l2_read, | |
51 | .write = ivtv_v4l2_write, | |
52 | .open = ivtv_v4l2_open, | |
09882f00 | 53 | .unlocked_ioctl = ivtv_v4l2_ioctl, |
daf20d95 HV |
54 | .release = ivtv_v4l2_close, |
55 | .poll = ivtv_v4l2_enc_poll, | |
1a0adaf3 HV |
56 | }; |
57 | ||
bec43661 | 58 | static const struct v4l2_file_operations ivtv_v4l2_dec_fops = { |
daf20d95 HV |
59 | .owner = THIS_MODULE, |
60 | .read = ivtv_v4l2_read, | |
61 | .write = ivtv_v4l2_write, | |
62 | .open = ivtv_v4l2_open, | |
09882f00 | 63 | .unlocked_ioctl = ivtv_v4l2_ioctl, |
daf20d95 HV |
64 | .release = ivtv_v4l2_close, |
65 | .poll = ivtv_v4l2_dec_poll, | |
1a0adaf3 HV |
66 | }; |
67 | ||
33c0fcad HV |
68 | #define IVTV_V4L2_DEC_MPG_OFFSET 16 /* offset from 0 to register decoder mpg v4l2 minors on */ |
69 | #define IVTV_V4L2_ENC_PCM_OFFSET 24 /* offset from 0 to register pcm v4l2 minors on */ | |
70 | #define IVTV_V4L2_ENC_YUV_OFFSET 32 /* offset from 0 to register yuv v4l2 minors on */ | |
71 | #define IVTV_V4L2_DEC_YUV_OFFSET 48 /* offset from 0 to register decoder yuv v4l2 minors on */ | |
72 | #define IVTV_V4L2_DEC_VBI_OFFSET 8 /* offset from 0 to register decoder vbi input v4l2 minors on */ | |
73 | #define IVTV_V4L2_DEC_VOUT_OFFSET 16 /* offset from 0 to register vbi output v4l2 minors on */ | |
74 | ||
31ec1356 | 75 | static struct { |
1a0adaf3 HV |
76 | const char *name; |
77 | int vfl_type; | |
dd89601d | 78 | int num_offset; |
1a0adaf3 HV |
79 | int dma, pio; |
80 | enum v4l2_buf_type buf_type; | |
bec43661 | 81 | const struct v4l2_file_operations *fops; |
1a0adaf3 HV |
82 | } ivtv_stream_info[] = { |
83 | { /* IVTV_ENC_STREAM_TYPE_MPG */ | |
7c03a448 | 84 | "encoder MPG", |
1a0adaf3 HV |
85 | VFL_TYPE_GRABBER, 0, |
86 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
87 | &ivtv_v4l2_enc_fops | |
88 | }, | |
89 | { /* IVTV_ENC_STREAM_TYPE_YUV */ | |
90 | "encoder YUV", | |
91 | VFL_TYPE_GRABBER, IVTV_V4L2_ENC_YUV_OFFSET, | |
92 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
93 | &ivtv_v4l2_enc_fops | |
94 | }, | |
95 | { /* IVTV_ENC_STREAM_TYPE_VBI */ | |
96 | "encoder VBI", | |
97 | VFL_TYPE_VBI, 0, | |
98 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_VBI_CAPTURE, | |
99 | &ivtv_v4l2_enc_fops | |
100 | }, | |
101 | { /* IVTV_ENC_STREAM_TYPE_PCM */ | |
7c03a448 | 102 | "encoder PCM", |
1a0adaf3 HV |
103 | VFL_TYPE_GRABBER, IVTV_V4L2_ENC_PCM_OFFSET, |
104 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_PRIVATE, | |
105 | &ivtv_v4l2_enc_fops | |
106 | }, | |
107 | { /* IVTV_ENC_STREAM_TYPE_RAD */ | |
108 | "encoder radio", | |
109 | VFL_TYPE_RADIO, 0, | |
110 | PCI_DMA_NONE, 1, V4L2_BUF_TYPE_PRIVATE, | |
111 | &ivtv_v4l2_enc_fops | |
112 | }, | |
113 | { /* IVTV_DEC_STREAM_TYPE_MPG */ | |
7c03a448 | 114 | "decoder MPG", |
1a0adaf3 HV |
115 | VFL_TYPE_GRABBER, IVTV_V4L2_DEC_MPG_OFFSET, |
116 | PCI_DMA_TODEVICE, 0, V4L2_BUF_TYPE_VIDEO_OUTPUT, | |
117 | &ivtv_v4l2_dec_fops | |
118 | }, | |
119 | { /* IVTV_DEC_STREAM_TYPE_VBI */ | |
120 | "decoder VBI", | |
121 | VFL_TYPE_VBI, IVTV_V4L2_DEC_VBI_OFFSET, | |
122 | PCI_DMA_NONE, 1, V4L2_BUF_TYPE_VBI_CAPTURE, | |
123 | &ivtv_v4l2_enc_fops | |
124 | }, | |
125 | { /* IVTV_DEC_STREAM_TYPE_VOUT */ | |
126 | "decoder VOUT", | |
127 | VFL_TYPE_VBI, IVTV_V4L2_DEC_VOUT_OFFSET, | |
128 | PCI_DMA_NONE, 1, V4L2_BUF_TYPE_VBI_OUTPUT, | |
129 | &ivtv_v4l2_dec_fops | |
130 | }, | |
131 | { /* IVTV_DEC_STREAM_TYPE_YUV */ | |
132 | "decoder YUV", | |
133 | VFL_TYPE_GRABBER, IVTV_V4L2_DEC_YUV_OFFSET, | |
134 | PCI_DMA_TODEVICE, 0, V4L2_BUF_TYPE_VIDEO_OUTPUT, | |
135 | &ivtv_v4l2_dec_fops | |
136 | } | |
137 | }; | |
138 | ||
139 | static void ivtv_stream_init(struct ivtv *itv, int type) | |
140 | { | |
141 | struct ivtv_stream *s = &itv->streams[type]; | |
8ac05ae3 | 142 | struct video_device *vdev = s->vdev; |
1a0adaf3 | 143 | |
8ac05ae3 | 144 | /* we need to keep vdev, so restore it afterwards */ |
1a0adaf3 | 145 | memset(s, 0, sizeof(*s)); |
8ac05ae3 | 146 | s->vdev = vdev; |
1a0adaf3 HV |
147 | |
148 | /* initialize ivtv_stream fields */ | |
149 | s->itv = itv; | |
150 | s->type = type; | |
151 | s->name = ivtv_stream_info[type].name; | |
152 | ||
153 | if (ivtv_stream_info[type].pio) | |
154 | s->dma = PCI_DMA_NONE; | |
155 | else | |
156 | s->dma = ivtv_stream_info[type].dma; | |
157 | s->buf_size = itv->stream_buf_size[type]; | |
158 | if (s->buf_size) | |
313e91e8 | 159 | s->buffers = (itv->options.kilobytes[type] * 1024 + s->buf_size - 1) / s->buf_size; |
1a0adaf3 HV |
160 | spin_lock_init(&s->qlock); |
161 | init_waitqueue_head(&s->waitq); | |
162 | s->id = -1; | |
37093b1e | 163 | s->sg_handle = IVTV_DMA_UNMAPPED; |
1a0adaf3 HV |
164 | ivtv_queue_init(&s->q_free); |
165 | ivtv_queue_init(&s->q_full); | |
166 | ivtv_queue_init(&s->q_dma); | |
167 | ivtv_queue_init(&s->q_predma); | |
168 | ivtv_queue_init(&s->q_io); | |
169 | } | |
170 | ||
18e16f9c | 171 | static int ivtv_prep_dev(struct ivtv *itv, int type) |
1a0adaf3 HV |
172 | { |
173 | struct ivtv_stream *s = &itv->streams[type]; | |
dd89601d | 174 | int num_offset = ivtv_stream_info[type].num_offset; |
67ec09fd | 175 | int num = itv->instance + ivtv_first_minor + num_offset; |
1a0adaf3 | 176 | |
8ac05ae3 | 177 | /* These four fields are always initialized. If vdev == NULL, then |
1a0adaf3 HV |
178 | this stream is not in use. In that case no other fields but these |
179 | four can be used. */ | |
8ac05ae3 | 180 | s->vdev = NULL; |
1a0adaf3 HV |
181 | s->itv = itv; |
182 | s->type = type; | |
183 | s->name = ivtv_stream_info[type].name; | |
184 | ||
185 | /* Check whether the radio is supported */ | |
186 | if (type == IVTV_ENC_STREAM_TYPE_RAD && !(itv->v4l2_cap & V4L2_CAP_RADIO)) | |
187 | return 0; | |
188 | if (type >= IVTV_DEC_STREAM_TYPE_MPG && !(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) | |
189 | return 0; | |
190 | ||
1a0adaf3 HV |
191 | /* User explicitly selected 0 buffers for these streams, so don't |
192 | create them. */ | |
18e16f9c | 193 | if (ivtv_stream_info[type].dma != PCI_DMA_NONE && |
313e91e8 | 194 | itv->options.kilobytes[type] == 0) { |
1a0adaf3 HV |
195 | IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name); |
196 | return 0; | |
197 | } | |
198 | ||
199 | ivtv_stream_init(itv, type); | |
200 | ||
201 | /* allocate and initialize the v4l2 video device structure */ | |
8ac05ae3 HV |
202 | s->vdev = video_device_alloc(); |
203 | if (s->vdev == NULL) { | |
1a0adaf3 HV |
204 | IVTV_ERR("Couldn't allocate v4l2 video_device for %s\n", s->name); |
205 | return -ENOMEM; | |
206 | } | |
207 | ||
8ac05ae3 HV |
208 | snprintf(s->vdev->name, sizeof(s->vdev->name), "%s %s", |
209 | itv->v4l2_dev.name, s->name); | |
1a0adaf3 | 210 | |
8ac05ae3 HV |
211 | s->vdev->num = num; |
212 | s->vdev->v4l2_dev = &itv->v4l2_dev; | |
f7b80e69 | 213 | s->vdev->ctrl_handler = itv->v4l2_dev.ctrl_handler; |
8ac05ae3 HV |
214 | s->vdev->fops = ivtv_stream_info[type].fops; |
215 | s->vdev->release = video_device_release; | |
216 | s->vdev->tvnorms = V4L2_STD_ALL; | |
b1a873a3 | 217 | set_bit(V4L2_FL_USE_FH_PRIO, &s->vdev->flags); |
8ac05ae3 | 218 | ivtv_set_funcs(s->vdev); |
18e16f9c HV |
219 | return 0; |
220 | } | |
221 | ||
222 | /* Initialize v4l2 variables and prepare v4l2 devices */ | |
223 | int ivtv_streams_setup(struct ivtv *itv) | |
224 | { | |
225 | int type; | |
226 | ||
227 | /* Setup V4L2 Devices */ | |
228 | for (type = 0; type < IVTV_MAX_STREAMS; type++) { | |
229 | /* Prepare device */ | |
230 | if (ivtv_prep_dev(itv, type)) | |
231 | break; | |
232 | ||
8ac05ae3 | 233 | if (itv->streams[type].vdev == NULL) |
18e16f9c HV |
234 | continue; |
235 | ||
236 | /* Allocate Stream */ | |
237 | if (ivtv_stream_alloc(&itv->streams[type])) | |
238 | break; | |
1a0adaf3 | 239 | } |
18e16f9c | 240 | if (type == IVTV_MAX_STREAMS) |
1a0adaf3 | 241 | return 0; |
18e16f9c HV |
242 | |
243 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 244 | ivtv_streams_cleanup(itv, 0); |
18e16f9c HV |
245 | return -ENOMEM; |
246 | } | |
247 | ||
248 | static int ivtv_reg_dev(struct ivtv *itv, int type) | |
249 | { | |
250 | struct ivtv_stream *s = &itv->streams[type]; | |
251 | int vfl_type = ivtv_stream_info[type].vfl_type; | |
38c7c036 | 252 | const char *name; |
dd89601d | 253 | int num; |
18e16f9c | 254 | |
8ac05ae3 | 255 | if (s->vdev == NULL) |
18e16f9c HV |
256 | return 0; |
257 | ||
8ac05ae3 | 258 | num = s->vdev->num; |
dd89601d HV |
259 | /* card number + user defined offset + device offset */ |
260 | if (type != IVTV_ENC_STREAM_TYPE_MPG) { | |
261 | struct ivtv_stream *s_mpg = &itv->streams[IVTV_ENC_STREAM_TYPE_MPG]; | |
262 | ||
8ac05ae3 HV |
263 | if (s_mpg->vdev) |
264 | num = s_mpg->vdev->num + ivtv_stream_info[type].num_offset; | |
dd89601d | 265 | } |
8ac05ae3 | 266 | video_set_drvdata(s->vdev, s); |
dd89601d | 267 | |
18e16f9c | 268 | /* Register device. First try the desired minor, then any free one. */ |
6b5270d2 | 269 | if (video_register_device_no_warn(s->vdev, vfl_type, num)) { |
581644d9 | 270 | IVTV_ERR("Couldn't register v4l2 device for %s (device node number %d)\n", |
dd89601d | 271 | s->name, num); |
8ac05ae3 HV |
272 | video_device_release(s->vdev); |
273 | s->vdev = NULL; | |
18e16f9c | 274 | return -ENOMEM; |
1a0adaf3 | 275 | } |
38c7c036 | 276 | name = video_device_node_name(s->vdev); |
1a0adaf3 HV |
277 | |
278 | switch (vfl_type) { | |
279 | case VFL_TYPE_GRABBER: | |
38c7c036 LP |
280 | IVTV_INFO("Registered device %s for %s (%d kB)\n", |
281 | name, s->name, itv->options.kilobytes[type]); | |
1a0adaf3 HV |
282 | break; |
283 | case VFL_TYPE_RADIO: | |
38c7c036 LP |
284 | IVTV_INFO("Registered device %s for %s\n", |
285 | name, s->name); | |
1a0adaf3 HV |
286 | break; |
287 | case VFL_TYPE_VBI: | |
313e91e8 | 288 | if (itv->options.kilobytes[type]) |
38c7c036 LP |
289 | IVTV_INFO("Registered device %s for %s (%d kB)\n", |
290 | name, s->name, itv->options.kilobytes[type]); | |
1a0adaf3 | 291 | else |
38c7c036 LP |
292 | IVTV_INFO("Registered device %s for %s\n", |
293 | name, s->name); | |
1a0adaf3 HV |
294 | break; |
295 | } | |
296 | return 0; | |
297 | } | |
298 | ||
18e16f9c HV |
299 | /* Register v4l2 devices */ |
300 | int ivtv_streams_register(struct ivtv *itv) | |
1a0adaf3 HV |
301 | { |
302 | int type; | |
18e16f9c | 303 | int err = 0; |
1a0adaf3 | 304 | |
18e16f9c HV |
305 | /* Register V4L2 devices */ |
306 | for (type = 0; type < IVTV_MAX_STREAMS; type++) | |
307 | err |= ivtv_reg_dev(itv, type); | |
1a0adaf3 | 308 | |
18e16f9c | 309 | if (err == 0) |
1a0adaf3 | 310 | return 0; |
1a0adaf3 HV |
311 | |
312 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 313 | ivtv_streams_cleanup(itv, 1); |
1a0adaf3 HV |
314 | return -ENOMEM; |
315 | } | |
316 | ||
317 | /* Unregister v4l2 devices */ | |
3f98387e | 318 | void ivtv_streams_cleanup(struct ivtv *itv, int unregister) |
1a0adaf3 HV |
319 | { |
320 | int type; | |
321 | ||
322 | /* Teardown all streams */ | |
323 | for (type = 0; type < IVTV_MAX_STREAMS; type++) { | |
8ac05ae3 | 324 | struct video_device *vdev = itv->streams[type].vdev; |
1a0adaf3 | 325 | |
8ac05ae3 | 326 | itv->streams[type].vdev = NULL; |
1a0adaf3 HV |
327 | if (vdev == NULL) |
328 | continue; | |
329 | ||
330 | ivtv_stream_free(&itv->streams[type]); | |
3f98387e HV |
331 | /* Unregister or release device */ |
332 | if (unregister) | |
333 | video_unregister_device(vdev); | |
334 | else | |
335 | video_device_release(vdev); | |
1a0adaf3 HV |
336 | } |
337 | } | |
338 | ||
339 | static void ivtv_vbi_setup(struct ivtv *itv) | |
340 | { | |
a8b86435 | 341 | int raw = ivtv_raw_vbi(itv); |
1a0adaf3 HV |
342 | u32 data[CX2341X_MBOX_MAX_DATA]; |
343 | int lines; | |
344 | int i; | |
345 | ||
1a0adaf3 HV |
346 | /* Reset VBI */ |
347 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, 0xffff , 0, 0, 0, 0); | |
348 | ||
1a0adaf3 | 349 | /* setup VBI registers */ |
4ff0790b HV |
350 | if (raw) |
351 | v4l2_subdev_call(itv->sd_video, vbi, s_raw_fmt, &itv->vbi.in.fmt.vbi); | |
352 | else | |
353 | v4l2_subdev_call(itv->sd_video, vbi, s_sliced_fmt, &itv->vbi.in.fmt.sliced); | |
1a0adaf3 HV |
354 | |
355 | /* determine number of lines and total number of VBI bytes. | |
356 | A raw line takes 1443 bytes: 2 * 720 + 4 byte frame header - 1 | |
357 | The '- 1' byte is probably an unused U or V byte. Or something... | |
358 | A sliced line takes 51 bytes: 4 byte frame header, 4 byte internal | |
359 | header, 42 data bytes + checksum (to be confirmed) */ | |
360 | if (raw) { | |
361 | lines = itv->vbi.count * 2; | |
362 | } else { | |
363 | lines = itv->is_60hz ? 24 : 38; | |
364 | if (itv->is_60hz && (itv->hw_flags & IVTV_HW_CX25840)) | |
365 | lines += 2; | |
366 | } | |
367 | ||
368 | itv->vbi.enc_size = lines * (raw ? itv->vbi.raw_size : itv->vbi.sliced_size); | |
369 | ||
370 | /* Note: sliced vs raw flag doesn't seem to have any effect | |
371 | TODO: check mode (0x02) value with older ivtv versions. */ | |
372 | data[0] = raw | 0x02 | (0xbd << 8); | |
373 | ||
374 | /* Every X number of frames a VBI interrupt arrives (frames as in 25 or 30 fps) */ | |
375 | data[1] = 1; | |
376 | /* The VBI frames are stored in a ringbuffer with this size (with a VBI frame as unit) */ | |
d526afe0 | 377 | data[2] = raw ? 4 : 4 * (itv->vbi.raw_size / itv->vbi.enc_size); |
1a0adaf3 HV |
378 | /* The start/stop codes determine which VBI lines end up in the raw VBI data area. |
379 | The codes are from table 24 in the saa7115 datasheet. Each raw/sliced/video line | |
380 | is framed with codes FF0000XX where XX is the SAV/EAV (Start/End of Active Video) | |
381 | code. These values for raw VBI are obtained from a driver disassembly. The sliced | |
382 | start/stop codes was deduced from this, but they do not appear in the driver. | |
383 | Other code pairs that I found are: 0x250E6249/0x13545454 and 0x25256262/0x38137F54. | |
384 | However, I have no idea what these values are for. */ | |
385 | if (itv->hw_flags & IVTV_HW_CX25840) { | |
386 | /* Setup VBI for the cx25840 digitizer */ | |
387 | if (raw) { | |
388 | data[3] = 0x20602060; | |
389 | data[4] = 0x30703070; | |
390 | } else { | |
391 | data[3] = 0xB0F0B0F0; | |
392 | data[4] = 0xA0E0A0E0; | |
393 | } | |
394 | /* Lines per frame */ | |
395 | data[5] = lines; | |
396 | /* bytes per line */ | |
397 | data[6] = (raw ? itv->vbi.raw_size : itv->vbi.sliced_size); | |
398 | } else { | |
399 | /* Setup VBI for the saa7115 digitizer */ | |
400 | if (raw) { | |
401 | data[3] = 0x25256262; | |
402 | data[4] = 0x387F7F7F; | |
403 | } else { | |
404 | data[3] = 0xABABECEC; | |
405 | data[4] = 0xB6F1F1F1; | |
406 | } | |
407 | /* Lines per frame */ | |
408 | data[5] = lines; | |
409 | /* bytes per line */ | |
410 | data[6] = itv->vbi.enc_size / lines; | |
411 | } | |
412 | ||
413 | IVTV_DEBUG_INFO( | |
414 | "Setup VBI API header 0x%08x pkts %d buffs %d ln %d sz %d\n", | |
415 | data[0], data[1], data[2], data[5], data[6]); | |
416 | ||
417 | ivtv_api(itv, CX2341X_ENC_SET_VBI_CONFIG, 7, data); | |
418 | ||
419 | /* returns the VBI encoder memory area. */ | |
420 | itv->vbi.enc_start = data[2]; | |
421 | itv->vbi.fpi = data[0]; | |
422 | if (!itv->vbi.fpi) | |
423 | itv->vbi.fpi = 1; | |
424 | ||
fd8b281a HV |
425 | IVTV_DEBUG_INFO("Setup VBI start 0x%08x frames %d fpi %d\n", |
426 | itv->vbi.enc_start, data[1], itv->vbi.fpi); | |
1a0adaf3 HV |
427 | |
428 | /* select VBI lines. | |
429 | Note that the sliced argument seems to have no effect. */ | |
430 | for (i = 2; i <= 24; i++) { | |
431 | int valid; | |
432 | ||
433 | if (itv->is_60hz) { | |
434 | valid = i >= 10 && i < 22; | |
435 | } else { | |
436 | valid = i >= 6 && i < 24; | |
437 | } | |
438 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, i - 1, | |
439 | valid, 0 , 0, 0); | |
440 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, (i - 1) | 0x80000000, | |
441 | valid, 0, 0, 0); | |
442 | } | |
443 | ||
444 | /* Remaining VBI questions: | |
445 | - Is it possible to select particular VBI lines only for inclusion in the MPEG | |
446 | stream? Currently you can only get the first X lines. | |
447 | - Is mixed raw and sliced VBI possible? | |
448 | - What's the meaning of the raw/sliced flag? | |
449 | - What's the meaning of params 2, 3 & 4 of the Select VBI command? */ | |
450 | } | |
451 | ||
452 | int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) | |
453 | { | |
454 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
455 | struct ivtv *itv = s->itv; | |
456 | int captype = 0, subtype = 0; | |
457 | int enable_passthrough = 0; | |
458 | ||
8ac05ae3 | 459 | if (s->vdev == NULL) |
1a0adaf3 HV |
460 | return -EINVAL; |
461 | ||
462 | IVTV_DEBUG_INFO("Start encoder stream %s\n", s->name); | |
463 | ||
464 | switch (s->type) { | |
465 | case IVTV_ENC_STREAM_TYPE_MPG: | |
466 | captype = 0; | |
467 | subtype = 3; | |
468 | ||
469 | /* Stop Passthrough */ | |
470 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
471 | ivtv_passthrough_mode(itv, 0); | |
472 | enable_passthrough = 1; | |
473 | } | |
474 | itv->mpg_data_received = itv->vbi_data_inserted = 0; | |
475 | itv->dualwatch_jiffies = jiffies; | |
f7b80e69 | 476 | itv->dualwatch_stereo_mode = v4l2_ctrl_g_ctrl(itv->cxhdl.audio_mode); |
1a0adaf3 HV |
477 | itv->search_pack_header = 0; |
478 | break; | |
479 | ||
480 | case IVTV_ENC_STREAM_TYPE_YUV: | |
481 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
482 | captype = 2; | |
483 | subtype = 11; /* video+audio+decoder */ | |
484 | break; | |
485 | } | |
486 | captype = 1; | |
487 | subtype = 1; | |
488 | break; | |
489 | case IVTV_ENC_STREAM_TYPE_PCM: | |
490 | captype = 1; | |
491 | subtype = 2; | |
492 | break; | |
493 | case IVTV_ENC_STREAM_TYPE_VBI: | |
494 | captype = 1; | |
495 | subtype = 4; | |
496 | ||
497 | itv->vbi.frame = 0; | |
498 | itv->vbi.inserted_frame = 0; | |
499 | memset(itv->vbi.sliced_mpeg_size, | |
500 | 0, sizeof(itv->vbi.sliced_mpeg_size)); | |
501 | break; | |
502 | default: | |
503 | return -EINVAL; | |
504 | } | |
505 | s->subtype = subtype; | |
506 | s->buffers_stolen = 0; | |
507 | ||
1a0adaf3 HV |
508 | /* Clear Streamoff flags in case left from last capture */ |
509 | clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); | |
510 | ||
511 | if (atomic_read(&itv->capturing) == 0) { | |
fd8b281a HV |
512 | int digitizer; |
513 | ||
1a0adaf3 HV |
514 | /* Always use frame based mode. Experiments have demonstrated that byte |
515 | stream based mode results in dropped frames and corruption. Not often, | |
516 | but occasionally. Many thanks go to Leonard Orb who spent a lot of | |
517 | effort and time trying to trace the cause of the drop outs. */ | |
518 | /* 1 frame per DMA */ | |
519 | /*ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 128, 0); */ | |
520 | ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 1, 1); | |
521 | ||
522 | /* Stuff from Windows, we don't know what it is */ | |
523 | ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1, 0); | |
524 | /* According to the docs, this should be correct. However, this is | |
525 | untested. I don't dare enable this without having tested it. | |
526 | Only very few old cards actually have this hardware combination. | |
527 | ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1, | |
528 | ((itv->hw_flags & IVTV_HW_SAA7114) && itv->is_60hz) ? 10001 : 0); | |
529 | */ | |
530 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 3, !itv->has_cx23415); | |
531 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 8, 0); | |
532 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 4, 1); | |
533 | ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12); | |
534 | ||
535 | /* assign placeholder */ | |
536 | ivtv_vapi(itv, CX2341X_ENC_SET_PLACEHOLDER, 12, | |
537 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
538 | ||
fd8b281a HV |
539 | if (itv->card->hw_all & (IVTV_HW_SAA7115 | IVTV_HW_SAA717X)) |
540 | digitizer = 0xF1; | |
541 | else if (itv->card->hw_all & IVTV_HW_SAA7114) | |
542 | digitizer = 0xEF; | |
543 | else /* cx25840 */ | |
544 | digitizer = 0x140; | |
545 | ||
546 | ivtv_vapi(itv, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, digitizer, digitizer); | |
1a0adaf3 HV |
547 | |
548 | /* Setup VBI */ | |
549 | if (itv->v4l2_cap & V4L2_CAP_VBI_CAPTURE) { | |
550 | ivtv_vbi_setup(itv); | |
551 | } | |
552 | ||
553 | /* assign program index info. Mask 7: select I/P/B, Num_req: 400 max */ | |
554 | ivtv_vapi_result(itv, data, CX2341X_ENC_SET_PGM_INDEX_INFO, 2, 7, 400); | |
555 | itv->pgm_info_offset = data[0]; | |
556 | itv->pgm_info_num = data[1]; | |
557 | itv->pgm_info_write_idx = 0; | |
558 | itv->pgm_info_read_idx = 0; | |
559 | ||
560 | IVTV_DEBUG_INFO("PGM Index at 0x%08x with %d elements\n", | |
561 | itv->pgm_info_offset, itv->pgm_info_num); | |
562 | ||
563 | /* Setup API for Stream */ | |
f7b80e69 | 564 | cx2341x_handler_setup(&itv->cxhdl); |
254d6eb1 HV |
565 | |
566 | /* mute if capturing radio */ | |
567 | if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) | |
568 | ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, | |
f7b80e69 | 569 | 1 | (v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute_yuv) << 8)); |
1a0adaf3 HV |
570 | } |
571 | ||
572 | /* Vsync Setup */ | |
573 | if (itv->has_cx23415 && !test_and_set_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) { | |
574 | /* event notification (on) */ | |
575 | ivtv_vapi(itv, CX2341X_ENC_SET_EVENT_NOTIFICATION, 4, 0, 1, IVTV_IRQ_ENC_VIM_RST, -1); | |
576 | ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VIM_RST); | |
577 | } | |
578 | ||
579 | if (atomic_read(&itv->capturing) == 0) { | |
580 | /* Clear all Pending Interrupts */ | |
581 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
582 | ||
583 | clear_bit(IVTV_F_I_EOS, &itv->i_flags); | |
584 | ||
f7b80e69 HV |
585 | cx2341x_handler_set_busy(&itv->cxhdl, 1); |
586 | ||
1a0adaf3 | 587 | /* Initialize Digitizer for Capture */ |
3ccc646b AW |
588 | /* Avoid tinny audio problem - ensure audio clocks are going */ |
589 | v4l2_subdev_call(itv->sd_audio, audio, s_stream, 1); | |
590 | /* Avoid unpredictable PCI bus hang - disable video clocks */ | |
67ec09fd | 591 | v4l2_subdev_call(itv->sd_video, video, s_stream, 0); |
7700a0d2 | 592 | ivtv_msleep_timeout(300, 0); |
1a0adaf3 | 593 | ivtv_vapi(itv, CX2341X_ENC_INITIALIZE_INPUT, 0); |
67ec09fd | 594 | v4l2_subdev_call(itv->sd_video, video, s_stream, 1); |
1a0adaf3 HV |
595 | } |
596 | ||
597 | /* begin_capture */ | |
598 | if (ivtv_vapi(itv, CX2341X_ENC_START_CAPTURE, 2, captype, subtype)) | |
599 | { | |
600 | IVTV_DEBUG_WARN( "Error starting capture!\n"); | |
601 | return -EINVAL; | |
602 | } | |
603 | ||
604 | /* Start Passthrough */ | |
605 | if (enable_passthrough) { | |
606 | ivtv_passthrough_mode(itv, 1); | |
607 | } | |
608 | ||
609 | if (s->type == IVTV_ENC_STREAM_TYPE_VBI) | |
610 | ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VBI_CAP); | |
611 | else | |
612 | ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
613 | ||
614 | /* you're live! sit back and await interrupts :) */ | |
615 | atomic_inc(&itv->capturing); | |
616 | return 0; | |
617 | } | |
618 | ||
619 | static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) | |
620 | { | |
621 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
622 | struct ivtv *itv = s->itv; | |
623 | int datatype; | |
bd62307b IA |
624 | u16 width; |
625 | u16 height; | |
1a0adaf3 | 626 | |
8ac05ae3 | 627 | if (s->vdev == NULL) |
1a0adaf3 HV |
628 | return -EINVAL; |
629 | ||
630 | IVTV_DEBUG_INFO("Setting some initial decoder settings\n"); | |
631 | ||
f7b80e69 HV |
632 | width = itv->cxhdl.width; |
633 | height = itv->cxhdl.height; | |
bd62307b | 634 | |
1a0adaf3 HV |
635 | /* set audio mode to left/stereo for dual/stereo mode. */ |
636 | ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); | |
637 | ||
638 | /* set number of internal decoder buffers */ | |
639 | ivtv_vapi(itv, CX2341X_DEC_SET_DISPLAY_BUFFERS, 1, 0); | |
640 | ||
641 | /* prebuffering */ | |
642 | ivtv_vapi(itv, CX2341X_DEC_SET_PREBUFFERING, 1, 1); | |
643 | ||
644 | /* extract from user packets */ | |
645 | ivtv_vapi_result(itv, data, CX2341X_DEC_EXTRACT_VBI, 1, 1); | |
646 | itv->vbi.dec_start = data[0]; | |
647 | ||
648 | IVTV_DEBUG_INFO("Decoder VBI RE-Insert start 0x%08x size 0x%08x\n", | |
649 | itv->vbi.dec_start, data[1]); | |
650 | ||
651 | /* set decoder source settings */ | |
652 | /* Data type: 0 = mpeg from host, | |
653 | 1 = yuv from encoder, | |
654 | 2 = yuv_from_host */ | |
655 | switch (s->type) { | |
656 | case IVTV_DEC_STREAM_TYPE_YUV: | |
bd62307b IA |
657 | if (itv->output_mode == OUT_PASSTHROUGH) { |
658 | datatype = 1; | |
659 | } else { | |
660 | /* Fake size to avoid switching video standard */ | |
661 | datatype = 2; | |
662 | width = 720; | |
663 | height = itv->is_out_50hz ? 576 : 480; | |
664 | } | |
1a0adaf3 HV |
665 | IVTV_DEBUG_INFO("Setup DEC YUV Stream data[0] = %d\n", datatype); |
666 | break; | |
667 | case IVTV_DEC_STREAM_TYPE_MPG: | |
668 | default: | |
669 | datatype = 0; | |
670 | break; | |
671 | } | |
672 | if (ivtv_vapi(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, datatype, | |
f7b80e69 | 673 | width, height, itv->cxhdl.audio_properties)) { |
5a338c38 | 674 | IVTV_DEBUG_WARN("Couldn't initialize decoder source\n"); |
1a0adaf3 | 675 | } |
666092c6 IA |
676 | |
677 | /* Decoder sometimes dies here, so wait a moment */ | |
678 | ivtv_msleep_timeout(10, 0); | |
679 | ||
914610e8 | 680 | /* Known failure point for firmware, so check */ |
215659d1 | 681 | return ivtv_firmware_check(itv, "ivtv_setup_v4l2_decode_stream"); |
1a0adaf3 HV |
682 | } |
683 | ||
684 | int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset) | |
685 | { | |
686 | struct ivtv *itv = s->itv; | |
914610e8 | 687 | int rc; |
1a0adaf3 | 688 | |
8ac05ae3 | 689 | if (s->vdev == NULL) |
1a0adaf3 HV |
690 | return -EINVAL; |
691 | ||
692 | if (test_and_set_bit(IVTV_F_S_STREAMING, &s->s_flags)) | |
693 | return 0; /* already started */ | |
694 | ||
695 | IVTV_DEBUG_INFO("Starting decode stream %s (gop_offset %d)\n", s->name, gop_offset); | |
696 | ||
914610e8 IA |
697 | rc = ivtv_setup_v4l2_decode_stream(s); |
698 | if (rc < 0) { | |
699 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
700 | return rc; | |
701 | } | |
1a0adaf3 HV |
702 | |
703 | /* set dma size to 65536 bytes */ | |
704 | ivtv_vapi(itv, CX2341X_DEC_SET_DMA_BLOCK_SIZE, 1, 65536); | |
705 | ||
77aded6b | 706 | /* Clear Streamoff */ |
1a0adaf3 HV |
707 | clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); |
708 | ||
709 | /* Zero out decoder counters */ | |
33c0fcad HV |
710 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[0]); |
711 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[1]); | |
712 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[2]); | |
713 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[3]); | |
1a0adaf3 HV |
714 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[0]); |
715 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[1]); | |
716 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[2]); | |
717 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[3]); | |
718 | ||
719 | /* turn on notification of dual/stereo mode change */ | |
720 | ivtv_vapi(itv, CX2341X_DEC_SET_EVENT_NOTIFICATION, 4, 0, 1, IVTV_IRQ_DEC_AUD_MODE_CHG, -1); | |
721 | ||
722 | /* start playback */ | |
723 | ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, gop_offset, 0); | |
724 | ||
666092c6 IA |
725 | /* Let things settle before we actually start */ |
726 | ivtv_msleep_timeout(10, 0); | |
727 | ||
1a0adaf3 HV |
728 | /* Clear the following Interrupt mask bits for decoding */ |
729 | ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_DECODE); | |
730 | IVTV_DEBUG_IRQ("IRQ Mask is now: 0x%08x\n", itv->irqmask); | |
731 | ||
732 | /* you're live! sit back and await interrupts :) */ | |
733 | atomic_inc(&itv->decoding); | |
734 | return 0; | |
735 | } | |
736 | ||
737 | void ivtv_stop_all_captures(struct ivtv *itv) | |
738 | { | |
739 | int i; | |
740 | ||
741 | for (i = IVTV_MAX_STREAMS - 1; i >= 0; i--) { | |
742 | struct ivtv_stream *s = &itv->streams[i]; | |
743 | ||
8ac05ae3 | 744 | if (s->vdev == NULL) |
1a0adaf3 HV |
745 | continue; |
746 | if (test_bit(IVTV_F_S_STREAMING, &s->s_flags)) { | |
747 | ivtv_stop_v4l2_encode_stream(s, 0); | |
748 | } | |
749 | } | |
750 | } | |
751 | ||
752 | int ivtv_stop_v4l2_encode_stream(struct ivtv_stream *s, int gop_end) | |
753 | { | |
754 | struct ivtv *itv = s->itv; | |
755 | DECLARE_WAITQUEUE(wait, current); | |
756 | int cap_type; | |
1a0adaf3 | 757 | int stopmode; |
1a0adaf3 | 758 | |
8ac05ae3 | 759 | if (s->vdev == NULL) |
1a0adaf3 HV |
760 | return -EINVAL; |
761 | ||
762 | /* This function assumes that you are allowed to stop the capture | |
763 | and that we are actually capturing */ | |
764 | ||
765 | IVTV_DEBUG_INFO("Stop Capture\n"); | |
766 | ||
767 | if (s->type == IVTV_DEC_STREAM_TYPE_VOUT) | |
768 | return 0; | |
769 | if (atomic_read(&itv->capturing) == 0) | |
770 | return 0; | |
771 | ||
772 | switch (s->type) { | |
773 | case IVTV_ENC_STREAM_TYPE_YUV: | |
774 | cap_type = 1; | |
775 | break; | |
776 | case IVTV_ENC_STREAM_TYPE_PCM: | |
777 | cap_type = 1; | |
778 | break; | |
779 | case IVTV_ENC_STREAM_TYPE_VBI: | |
780 | cap_type = 1; | |
781 | break; | |
782 | case IVTV_ENC_STREAM_TYPE_MPG: | |
783 | default: | |
784 | cap_type = 0; | |
785 | break; | |
786 | } | |
787 | ||
788 | /* Stop Capture Mode */ | |
789 | if (s->type == IVTV_ENC_STREAM_TYPE_MPG && gop_end) { | |
790 | stopmode = 0; | |
791 | } else { | |
792 | stopmode = 1; | |
793 | } | |
794 | ||
795 | /* end_capture */ | |
796 | /* when: 0 = end of GOP 1 = NOW!, type: 0 = mpeg, subtype: 3 = video+audio */ | |
797 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, stopmode, cap_type, s->subtype); | |
798 | ||
1a0adaf3 HV |
799 | if (!test_bit(IVTV_F_S_PASSTHROUGH, &s->s_flags)) { |
800 | if (s->type == IVTV_ENC_STREAM_TYPE_MPG && gop_end) { | |
801 | /* only run these if we're shutting down the last cap */ | |
802 | unsigned long duration; | |
559e196a | 803 | unsigned long then = jiffies; |
1a0adaf3 | 804 | |
fd8b281a | 805 | add_wait_queue(&itv->eos_waitq, &wait); |
1a0adaf3 HV |
806 | |
807 | set_current_state(TASK_INTERRUPTIBLE); | |
808 | ||
809 | /* wait 2s for EOS interrupt */ | |
201700d3 | 810 | while (!test_bit(IVTV_F_I_EOS, &itv->i_flags) && |
168c626c JL |
811 | time_before(jiffies, |
812 | then + msecs_to_jiffies(2000))) { | |
201700d3 | 813 | schedule_timeout(msecs_to_jiffies(10)); |
1a0adaf3 HV |
814 | } |
815 | ||
816 | /* To convert jiffies to ms, we must multiply by 1000 | |
817 | * and divide by HZ. To avoid runtime division, we | |
818 | * convert this to multiplication by 1000/HZ. | |
819 | * Since integer division truncates, we get the best | |
820 | * accuracy if we do a rounding calculation of the constant. | |
821 | * Think of the case where HZ is 1024. | |
822 | */ | |
823 | duration = ((1000 + HZ / 2) / HZ) * (jiffies - then); | |
824 | ||
825 | if (!test_bit(IVTV_F_I_EOS, &itv->i_flags)) { | |
826 | IVTV_DEBUG_WARN("%s: EOS interrupt not received! stopping anyway.\n", s->name); | |
827 | IVTV_DEBUG_WARN("%s: waited %lu ms.\n", s->name, duration); | |
828 | } else { | |
829 | IVTV_DEBUG_INFO("%s: EOS took %lu ms to occur.\n", s->name, duration); | |
830 | } | |
831 | set_current_state(TASK_RUNNING); | |
fd8b281a | 832 | remove_wait_queue(&itv->eos_waitq, &wait); |
559e196a | 833 | set_bit(IVTV_F_S_STREAMOFF, &s->s_flags); |
1a0adaf3 HV |
834 | } |
835 | ||
3562c43b | 836 | /* Handle any pending interrupts */ |
7700a0d2 | 837 | ivtv_msleep_timeout(100, 0); |
1a0adaf3 HV |
838 | } |
839 | ||
840 | atomic_dec(&itv->capturing); | |
841 | ||
842 | /* Clear capture and no-read bits */ | |
843 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
844 | ||
845 | if (s->type == IVTV_ENC_STREAM_TYPE_VBI) | |
846 | ivtv_set_irq_mask(itv, IVTV_IRQ_ENC_VBI_CAP); | |
847 | ||
848 | if (atomic_read(&itv->capturing) > 0) { | |
849 | return 0; | |
850 | } | |
851 | ||
f7b80e69 HV |
852 | cx2341x_handler_set_busy(&itv->cxhdl, 0); |
853 | ||
1a0adaf3 HV |
854 | /* Set the following Interrupt mask bits for capture */ |
855 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
e17a06ba | 856 | del_timer(&itv->dma_timer); |
1a0adaf3 | 857 | |
f8859691 HV |
858 | /* event notification (off) */ |
859 | if (test_and_clear_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) { | |
860 | /* type: 0 = refresh */ | |
861 | /* on/off: 0 = off, intr: 0x10000000, mbox_id: -1: none */ | |
862 | ivtv_vapi(itv, CX2341X_ENC_SET_EVENT_NOTIFICATION, 4, 0, 0, IVTV_IRQ_ENC_VIM_RST, -1); | |
863 | ivtv_set_irq_mask(itv, IVTV_IRQ_ENC_VIM_RST); | |
864 | } | |
865 | ||
9a766d55 IA |
866 | /* Raw-passthrough is implied on start. Make sure it's stopped so |
867 | the encoder will re-initialize when next started */ | |
868 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, 1, 2, 7); | |
869 | ||
1a0adaf3 HV |
870 | wake_up(&s->waitq); |
871 | ||
872 | return 0; | |
873 | } | |
874 | ||
875 | int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts) | |
876 | { | |
09250193 HV |
877 | static const struct v4l2_event ev = { |
878 | .type = V4L2_EVENT_EOS, | |
879 | }; | |
1a0adaf3 HV |
880 | struct ivtv *itv = s->itv; |
881 | ||
8ac05ae3 | 882 | if (s->vdev == NULL) |
1a0adaf3 HV |
883 | return -EINVAL; |
884 | ||
885 | if (s->type != IVTV_DEC_STREAM_TYPE_YUV && s->type != IVTV_DEC_STREAM_TYPE_MPG) | |
886 | return -EINVAL; | |
887 | ||
888 | if (!test_bit(IVTV_F_S_STREAMING, &s->s_flags)) | |
889 | return 0; | |
890 | ||
c4385098 | 891 | IVTV_DEBUG_INFO("Stop Decode at %llu, flags: %x\n", (unsigned long long)pts, flags); |
1a0adaf3 HV |
892 | |
893 | /* Stop Decoder */ | |
894 | if (!(flags & VIDEO_CMD_STOP_IMMEDIATELY) || pts) { | |
895 | u32 tmp = 0; | |
896 | ||
897 | /* Wait until the decoder is no longer running */ | |
898 | if (pts) { | |
899 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, | |
900 | 0, (u32)(pts & 0xffffffff), (u32)(pts >> 32)); | |
901 | } | |
902 | while (1) { | |
903 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
904 | ivtv_vapi_result(itv, data, CX2341X_DEC_GET_XFER_INFO, 0); | |
905 | if (s->q_full.buffers + s->q_dma.buffers == 0) { | |
906 | if (tmp == data[3]) | |
907 | break; | |
908 | tmp = data[3]; | |
909 | } | |
201700d3 | 910 | if (ivtv_msleep_timeout(100, 1)) |
1a0adaf3 HV |
911 | break; |
912 | } | |
913 | } | |
914 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, flags & VIDEO_CMD_STOP_TO_BLACK, 0, 0); | |
915 | ||
916 | /* turn off notification of dual/stereo mode change */ | |
917 | ivtv_vapi(itv, CX2341X_DEC_SET_EVENT_NOTIFICATION, 4, 0, 0, IVTV_IRQ_DEC_AUD_MODE_CHG, -1); | |
918 | ||
919 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_DECODE); | |
e17a06ba | 920 | del_timer(&itv->dma_timer); |
1a0adaf3 HV |
921 | |
922 | clear_bit(IVTV_F_S_NEEDS_DATA, &s->s_flags); | |
923 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
924 | ivtv_flush_queues(s); | |
925 | ||
f06b9bd4 IA |
926 | /* decoder needs time to settle */ |
927 | ivtv_msleep_timeout(40, 0); | |
928 | ||
1a0adaf3 HV |
929 | /* decrement decoding */ |
930 | atomic_dec(&itv->decoding); | |
931 | ||
932 | set_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags); | |
933 | wake_up(&itv->event_waitq); | |
09250193 | 934 | v4l2_event_queue(s->vdev, &ev); |
1a0adaf3 HV |
935 | |
936 | /* wake up wait queues */ | |
937 | wake_up(&s->waitq); | |
938 | ||
939 | return 0; | |
940 | } | |
941 | ||
942 | int ivtv_passthrough_mode(struct ivtv *itv, int enable) | |
943 | { | |
944 | struct ivtv_stream *yuv_stream = &itv->streams[IVTV_ENC_STREAM_TYPE_YUV]; | |
945 | struct ivtv_stream *dec_stream = &itv->streams[IVTV_DEC_STREAM_TYPE_YUV]; | |
946 | ||
8ac05ae3 | 947 | if (yuv_stream->vdev == NULL || dec_stream->vdev == NULL) |
1a0adaf3 HV |
948 | return -EINVAL; |
949 | ||
950 | IVTV_DEBUG_INFO("ivtv ioctl: Select passthrough mode\n"); | |
951 | ||
952 | /* Prevent others from starting/stopping streams while we | |
953 | initiate/terminate passthrough mode */ | |
954 | if (enable) { | |
955 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
956 | return 0; | |
957 | } | |
958 | if (ivtv_set_output_mode(itv, OUT_PASSTHROUGH) != OUT_PASSTHROUGH) | |
959 | return -EBUSY; | |
960 | ||
961 | /* Fully initialize stream, and then unflag init */ | |
962 | set_bit(IVTV_F_S_PASSTHROUGH, &dec_stream->s_flags); | |
963 | set_bit(IVTV_F_S_STREAMING, &dec_stream->s_flags); | |
964 | ||
965 | /* Setup YUV Decoder */ | |
966 | ivtv_setup_v4l2_decode_stream(dec_stream); | |
967 | ||
968 | /* Start Decoder */ | |
969 | ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 1); | |
970 | atomic_inc(&itv->decoding); | |
971 | ||
972 | /* Setup capture if not already done */ | |
973 | if (atomic_read(&itv->capturing) == 0) { | |
f7b80e69 HV |
974 | cx2341x_handler_setup(&itv->cxhdl); |
975 | cx2341x_handler_set_busy(&itv->cxhdl, 1); | |
1a0adaf3 HV |
976 | } |
977 | ||
978 | /* Start Passthrough Mode */ | |
979 | ivtv_vapi(itv, CX2341X_ENC_START_CAPTURE, 2, 2, 11); | |
980 | atomic_inc(&itv->capturing); | |
981 | return 0; | |
982 | } | |
983 | ||
984 | if (itv->output_mode != OUT_PASSTHROUGH) | |
985 | return 0; | |
986 | ||
987 | /* Stop Passthrough Mode */ | |
988 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, 1, 2, 11); | |
989 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, 1, 0, 0); | |
990 | ||
991 | atomic_dec(&itv->capturing); | |
992 | atomic_dec(&itv->decoding); | |
993 | clear_bit(IVTV_F_S_PASSTHROUGH, &dec_stream->s_flags); | |
994 | clear_bit(IVTV_F_S_STREAMING, &dec_stream->s_flags); | |
995 | itv->output_mode = OUT_NONE; | |
f7b80e69 HV |
996 | if (atomic_read(&itv->capturing) == 0) |
997 | cx2341x_handler_set_busy(&itv->cxhdl, 0); | |
1a0adaf3 HV |
998 | |
999 | return 0; | |
1000 | } |