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; | |
d0c8b2d4 | 81 | u32 v4l2_caps; |
bec43661 | 82 | const struct v4l2_file_operations *fops; |
1a0adaf3 HV |
83 | } ivtv_stream_info[] = { |
84 | { /* IVTV_ENC_STREAM_TYPE_MPG */ | |
7c03a448 | 85 | "encoder MPG", |
1a0adaf3 HV |
86 | VFL_TYPE_GRABBER, 0, |
87 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
d0c8b2d4 HV |
88 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | |
89 | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, | |
1a0adaf3 HV |
90 | &ivtv_v4l2_enc_fops |
91 | }, | |
92 | { /* IVTV_ENC_STREAM_TYPE_YUV */ | |
93 | "encoder YUV", | |
94 | VFL_TYPE_GRABBER, IVTV_V4L2_ENC_YUV_OFFSET, | |
95 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
d0c8b2d4 HV |
96 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | |
97 | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, | |
1a0adaf3 HV |
98 | &ivtv_v4l2_enc_fops |
99 | }, | |
100 | { /* IVTV_ENC_STREAM_TYPE_VBI */ | |
101 | "encoder VBI", | |
102 | VFL_TYPE_VBI, 0, | |
103 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_VBI_CAPTURE, | |
d0c8b2d4 HV |
104 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_TUNER | |
105 | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, | |
1a0adaf3 HV |
106 | &ivtv_v4l2_enc_fops |
107 | }, | |
108 | { /* IVTV_ENC_STREAM_TYPE_PCM */ | |
7c03a448 | 109 | "encoder PCM", |
1a0adaf3 HV |
110 | VFL_TYPE_GRABBER, IVTV_V4L2_ENC_PCM_OFFSET, |
111 | PCI_DMA_FROMDEVICE, 0, V4L2_BUF_TYPE_PRIVATE, | |
d0c8b2d4 | 112 | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
113 | &ivtv_v4l2_enc_fops |
114 | }, | |
115 | { /* IVTV_ENC_STREAM_TYPE_RAD */ | |
116 | "encoder radio", | |
117 | VFL_TYPE_RADIO, 0, | |
118 | PCI_DMA_NONE, 1, V4L2_BUF_TYPE_PRIVATE, | |
d0c8b2d4 | 119 | V4L2_CAP_RADIO | V4L2_CAP_TUNER, |
1a0adaf3 HV |
120 | &ivtv_v4l2_enc_fops |
121 | }, | |
122 | { /* IVTV_DEC_STREAM_TYPE_MPG */ | |
7c03a448 | 123 | "decoder MPG", |
1a0adaf3 HV |
124 | VFL_TYPE_GRABBER, IVTV_V4L2_DEC_MPG_OFFSET, |
125 | PCI_DMA_TODEVICE, 0, V4L2_BUF_TYPE_VIDEO_OUTPUT, | |
d0c8b2d4 | 126 | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
127 | &ivtv_v4l2_dec_fops |
128 | }, | |
129 | { /* IVTV_DEC_STREAM_TYPE_VBI */ | |
130 | "decoder VBI", | |
131 | VFL_TYPE_VBI, IVTV_V4L2_DEC_VBI_OFFSET, | |
132 | PCI_DMA_NONE, 1, V4L2_BUF_TYPE_VBI_CAPTURE, | |
d0c8b2d4 | 133 | V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
134 | &ivtv_v4l2_enc_fops |
135 | }, | |
136 | { /* IVTV_DEC_STREAM_TYPE_VOUT */ | |
137 | "decoder VOUT", | |
138 | VFL_TYPE_VBI, IVTV_V4L2_DEC_VOUT_OFFSET, | |
139 | PCI_DMA_NONE, 1, V4L2_BUF_TYPE_VBI_OUTPUT, | |
d0c8b2d4 | 140 | V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
141 | &ivtv_v4l2_dec_fops |
142 | }, | |
143 | { /* IVTV_DEC_STREAM_TYPE_YUV */ | |
144 | "decoder YUV", | |
145 | VFL_TYPE_GRABBER, IVTV_V4L2_DEC_YUV_OFFSET, | |
146 | PCI_DMA_TODEVICE, 0, V4L2_BUF_TYPE_VIDEO_OUTPUT, | |
d0c8b2d4 | 147 | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
148 | &ivtv_v4l2_dec_fops |
149 | } | |
150 | }; | |
151 | ||
152 | static void ivtv_stream_init(struct ivtv *itv, int type) | |
153 | { | |
154 | struct ivtv_stream *s = &itv->streams[type]; | |
8ac05ae3 | 155 | struct video_device *vdev = s->vdev; |
1a0adaf3 | 156 | |
8ac05ae3 | 157 | /* we need to keep vdev, so restore it afterwards */ |
1a0adaf3 | 158 | memset(s, 0, sizeof(*s)); |
8ac05ae3 | 159 | s->vdev = vdev; |
1a0adaf3 HV |
160 | |
161 | /* initialize ivtv_stream fields */ | |
162 | s->itv = itv; | |
163 | s->type = type; | |
164 | s->name = ivtv_stream_info[type].name; | |
d0c8b2d4 | 165 | s->caps = ivtv_stream_info[type].v4l2_caps; |
1a0adaf3 HV |
166 | |
167 | if (ivtv_stream_info[type].pio) | |
168 | s->dma = PCI_DMA_NONE; | |
169 | else | |
170 | s->dma = ivtv_stream_info[type].dma; | |
171 | s->buf_size = itv->stream_buf_size[type]; | |
172 | if (s->buf_size) | |
313e91e8 | 173 | s->buffers = (itv->options.kilobytes[type] * 1024 + s->buf_size - 1) / s->buf_size; |
1a0adaf3 HV |
174 | spin_lock_init(&s->qlock); |
175 | init_waitqueue_head(&s->waitq); | |
37093b1e | 176 | s->sg_handle = IVTV_DMA_UNMAPPED; |
1a0adaf3 HV |
177 | ivtv_queue_init(&s->q_free); |
178 | ivtv_queue_init(&s->q_full); | |
179 | ivtv_queue_init(&s->q_dma); | |
180 | ivtv_queue_init(&s->q_predma); | |
181 | ivtv_queue_init(&s->q_io); | |
182 | } | |
183 | ||
18e16f9c | 184 | static int ivtv_prep_dev(struct ivtv *itv, int type) |
1a0adaf3 HV |
185 | { |
186 | struct ivtv_stream *s = &itv->streams[type]; | |
dd89601d | 187 | int num_offset = ivtv_stream_info[type].num_offset; |
67ec09fd | 188 | int num = itv->instance + ivtv_first_minor + num_offset; |
1a0adaf3 | 189 | |
8ac05ae3 | 190 | /* These four fields are always initialized. If vdev == NULL, then |
1a0adaf3 HV |
191 | this stream is not in use. In that case no other fields but these |
192 | four can be used. */ | |
8ac05ae3 | 193 | s->vdev = NULL; |
1a0adaf3 HV |
194 | s->itv = itv; |
195 | s->type = type; | |
196 | s->name = ivtv_stream_info[type].name; | |
197 | ||
198 | /* Check whether the radio is supported */ | |
199 | if (type == IVTV_ENC_STREAM_TYPE_RAD && !(itv->v4l2_cap & V4L2_CAP_RADIO)) | |
200 | return 0; | |
201 | if (type >= IVTV_DEC_STREAM_TYPE_MPG && !(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) | |
202 | return 0; | |
203 | ||
1a0adaf3 HV |
204 | /* User explicitly selected 0 buffers for these streams, so don't |
205 | create them. */ | |
18e16f9c | 206 | if (ivtv_stream_info[type].dma != PCI_DMA_NONE && |
313e91e8 | 207 | itv->options.kilobytes[type] == 0) { |
1a0adaf3 HV |
208 | IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name); |
209 | return 0; | |
210 | } | |
211 | ||
212 | ivtv_stream_init(itv, type); | |
213 | ||
214 | /* allocate and initialize the v4l2 video device structure */ | |
8ac05ae3 HV |
215 | s->vdev = video_device_alloc(); |
216 | if (s->vdev == NULL) { | |
1a0adaf3 HV |
217 | IVTV_ERR("Couldn't allocate v4l2 video_device for %s\n", s->name); |
218 | return -ENOMEM; | |
219 | } | |
220 | ||
8ac05ae3 HV |
221 | snprintf(s->vdev->name, sizeof(s->vdev->name), "%s %s", |
222 | itv->v4l2_dev.name, s->name); | |
1a0adaf3 | 223 | |
8ac05ae3 HV |
224 | s->vdev->num = num; |
225 | s->vdev->v4l2_dev = &itv->v4l2_dev; | |
226 | s->vdev->fops = ivtv_stream_info[type].fops; | |
eb2ba855 | 227 | s->vdev->ctrl_handler = itv->v4l2_dev.ctrl_handler; |
8ac05ae3 HV |
228 | s->vdev->release = video_device_release; |
229 | s->vdev->tvnorms = V4L2_STD_ALL; | |
cdc03781 | 230 | s->vdev->lock = &itv->serialize_lock; |
5126f259 HV |
231 | /* Locking in file operations other than ioctl should be done |
232 | by the driver, not the V4L2 core. | |
233 | This driver needs auditing so that this flag can be removed. */ | |
234 | set_bit(V4L2_FL_LOCK_ALL_FOPS, &s->vdev->flags); | |
b1a873a3 | 235 | set_bit(V4L2_FL_USE_FH_PRIO, &s->vdev->flags); |
8ac05ae3 | 236 | ivtv_set_funcs(s->vdev); |
18e16f9c HV |
237 | return 0; |
238 | } | |
239 | ||
240 | /* Initialize v4l2 variables and prepare v4l2 devices */ | |
241 | int ivtv_streams_setup(struct ivtv *itv) | |
242 | { | |
243 | int type; | |
244 | ||
245 | /* Setup V4L2 Devices */ | |
246 | for (type = 0; type < IVTV_MAX_STREAMS; type++) { | |
247 | /* Prepare device */ | |
248 | if (ivtv_prep_dev(itv, type)) | |
249 | break; | |
250 | ||
8ac05ae3 | 251 | if (itv->streams[type].vdev == NULL) |
18e16f9c HV |
252 | continue; |
253 | ||
254 | /* Allocate Stream */ | |
255 | if (ivtv_stream_alloc(&itv->streams[type])) | |
256 | break; | |
1a0adaf3 | 257 | } |
18e16f9c | 258 | if (type == IVTV_MAX_STREAMS) |
1a0adaf3 | 259 | return 0; |
18e16f9c HV |
260 | |
261 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 262 | ivtv_streams_cleanup(itv, 0); |
18e16f9c HV |
263 | return -ENOMEM; |
264 | } | |
265 | ||
266 | static int ivtv_reg_dev(struct ivtv *itv, int type) | |
267 | { | |
268 | struct ivtv_stream *s = &itv->streams[type]; | |
269 | int vfl_type = ivtv_stream_info[type].vfl_type; | |
38c7c036 | 270 | const char *name; |
dd89601d | 271 | int num; |
18e16f9c | 272 | |
8ac05ae3 | 273 | if (s->vdev == NULL) |
18e16f9c HV |
274 | return 0; |
275 | ||
8ac05ae3 | 276 | num = s->vdev->num; |
dd89601d HV |
277 | /* card number + user defined offset + device offset */ |
278 | if (type != IVTV_ENC_STREAM_TYPE_MPG) { | |
279 | struct ivtv_stream *s_mpg = &itv->streams[IVTV_ENC_STREAM_TYPE_MPG]; | |
280 | ||
8ac05ae3 HV |
281 | if (s_mpg->vdev) |
282 | num = s_mpg->vdev->num + ivtv_stream_info[type].num_offset; | |
dd89601d | 283 | } |
8ac05ae3 | 284 | video_set_drvdata(s->vdev, s); |
dd89601d | 285 | |
18e16f9c | 286 | /* Register device. First try the desired minor, then any free one. */ |
6b5270d2 | 287 | if (video_register_device_no_warn(s->vdev, vfl_type, num)) { |
581644d9 | 288 | IVTV_ERR("Couldn't register v4l2 device for %s (device node number %d)\n", |
dd89601d | 289 | s->name, num); |
8ac05ae3 HV |
290 | video_device_release(s->vdev); |
291 | s->vdev = NULL; | |
18e16f9c | 292 | return -ENOMEM; |
1a0adaf3 | 293 | } |
38c7c036 | 294 | name = video_device_node_name(s->vdev); |
1a0adaf3 HV |
295 | |
296 | switch (vfl_type) { | |
297 | case VFL_TYPE_GRABBER: | |
38c7c036 LP |
298 | IVTV_INFO("Registered device %s for %s (%d kB)\n", |
299 | name, s->name, itv->options.kilobytes[type]); | |
1a0adaf3 HV |
300 | break; |
301 | case VFL_TYPE_RADIO: | |
38c7c036 LP |
302 | IVTV_INFO("Registered device %s for %s\n", |
303 | name, s->name); | |
1a0adaf3 HV |
304 | break; |
305 | case VFL_TYPE_VBI: | |
313e91e8 | 306 | if (itv->options.kilobytes[type]) |
38c7c036 LP |
307 | IVTV_INFO("Registered device %s for %s (%d kB)\n", |
308 | name, s->name, itv->options.kilobytes[type]); | |
1a0adaf3 | 309 | else |
38c7c036 LP |
310 | IVTV_INFO("Registered device %s for %s\n", |
311 | name, s->name); | |
1a0adaf3 HV |
312 | break; |
313 | } | |
314 | return 0; | |
315 | } | |
316 | ||
18e16f9c HV |
317 | /* Register v4l2 devices */ |
318 | int ivtv_streams_register(struct ivtv *itv) | |
1a0adaf3 HV |
319 | { |
320 | int type; | |
18e16f9c | 321 | int err = 0; |
1a0adaf3 | 322 | |
18e16f9c HV |
323 | /* Register V4L2 devices */ |
324 | for (type = 0; type < IVTV_MAX_STREAMS; type++) | |
325 | err |= ivtv_reg_dev(itv, type); | |
1a0adaf3 | 326 | |
18e16f9c | 327 | if (err == 0) |
1a0adaf3 | 328 | return 0; |
1a0adaf3 HV |
329 | |
330 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 331 | ivtv_streams_cleanup(itv, 1); |
1a0adaf3 HV |
332 | return -ENOMEM; |
333 | } | |
334 | ||
335 | /* Unregister v4l2 devices */ | |
3f98387e | 336 | void ivtv_streams_cleanup(struct ivtv *itv, int unregister) |
1a0adaf3 HV |
337 | { |
338 | int type; | |
339 | ||
340 | /* Teardown all streams */ | |
341 | for (type = 0; type < IVTV_MAX_STREAMS; type++) { | |
8ac05ae3 | 342 | struct video_device *vdev = itv->streams[type].vdev; |
1a0adaf3 | 343 | |
8ac05ae3 | 344 | itv->streams[type].vdev = NULL; |
1a0adaf3 HV |
345 | if (vdev == NULL) |
346 | continue; | |
347 | ||
348 | ivtv_stream_free(&itv->streams[type]); | |
3f98387e HV |
349 | /* Unregister or release device */ |
350 | if (unregister) | |
351 | video_unregister_device(vdev); | |
352 | else | |
353 | video_device_release(vdev); | |
1a0adaf3 HV |
354 | } |
355 | } | |
356 | ||
357 | static void ivtv_vbi_setup(struct ivtv *itv) | |
358 | { | |
a8b86435 | 359 | int raw = ivtv_raw_vbi(itv); |
1a0adaf3 HV |
360 | u32 data[CX2341X_MBOX_MAX_DATA]; |
361 | int lines; | |
362 | int i; | |
363 | ||
1a0adaf3 HV |
364 | /* Reset VBI */ |
365 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, 0xffff , 0, 0, 0, 0); | |
366 | ||
1a0adaf3 | 367 | /* setup VBI registers */ |
4ff0790b HV |
368 | if (raw) |
369 | v4l2_subdev_call(itv->sd_video, vbi, s_raw_fmt, &itv->vbi.in.fmt.vbi); | |
370 | else | |
371 | v4l2_subdev_call(itv->sd_video, vbi, s_sliced_fmt, &itv->vbi.in.fmt.sliced); | |
1a0adaf3 HV |
372 | |
373 | /* determine number of lines and total number of VBI bytes. | |
374 | A raw line takes 1443 bytes: 2 * 720 + 4 byte frame header - 1 | |
375 | The '- 1' byte is probably an unused U or V byte. Or something... | |
376 | A sliced line takes 51 bytes: 4 byte frame header, 4 byte internal | |
377 | header, 42 data bytes + checksum (to be confirmed) */ | |
378 | if (raw) { | |
379 | lines = itv->vbi.count * 2; | |
380 | } else { | |
381 | lines = itv->is_60hz ? 24 : 38; | |
382 | if (itv->is_60hz && (itv->hw_flags & IVTV_HW_CX25840)) | |
383 | lines += 2; | |
384 | } | |
385 | ||
386 | itv->vbi.enc_size = lines * (raw ? itv->vbi.raw_size : itv->vbi.sliced_size); | |
387 | ||
388 | /* Note: sliced vs raw flag doesn't seem to have any effect | |
389 | TODO: check mode (0x02) value with older ivtv versions. */ | |
390 | data[0] = raw | 0x02 | (0xbd << 8); | |
391 | ||
392 | /* Every X number of frames a VBI interrupt arrives (frames as in 25 or 30 fps) */ | |
393 | data[1] = 1; | |
394 | /* The VBI frames are stored in a ringbuffer with this size (with a VBI frame as unit) */ | |
d526afe0 | 395 | data[2] = raw ? 4 : 4 * (itv->vbi.raw_size / itv->vbi.enc_size); |
1a0adaf3 HV |
396 | /* The start/stop codes determine which VBI lines end up in the raw VBI data area. |
397 | The codes are from table 24 in the saa7115 datasheet. Each raw/sliced/video line | |
398 | is framed with codes FF0000XX where XX is the SAV/EAV (Start/End of Active Video) | |
399 | code. These values for raw VBI are obtained from a driver disassembly. The sliced | |
400 | start/stop codes was deduced from this, but they do not appear in the driver. | |
401 | Other code pairs that I found are: 0x250E6249/0x13545454 and 0x25256262/0x38137F54. | |
402 | However, I have no idea what these values are for. */ | |
403 | if (itv->hw_flags & IVTV_HW_CX25840) { | |
404 | /* Setup VBI for the cx25840 digitizer */ | |
405 | if (raw) { | |
406 | data[3] = 0x20602060; | |
407 | data[4] = 0x30703070; | |
408 | } else { | |
409 | data[3] = 0xB0F0B0F0; | |
410 | data[4] = 0xA0E0A0E0; | |
411 | } | |
412 | /* Lines per frame */ | |
413 | data[5] = lines; | |
414 | /* bytes per line */ | |
415 | data[6] = (raw ? itv->vbi.raw_size : itv->vbi.sliced_size); | |
416 | } else { | |
417 | /* Setup VBI for the saa7115 digitizer */ | |
418 | if (raw) { | |
419 | data[3] = 0x25256262; | |
420 | data[4] = 0x387F7F7F; | |
421 | } else { | |
422 | data[3] = 0xABABECEC; | |
423 | data[4] = 0xB6F1F1F1; | |
424 | } | |
425 | /* Lines per frame */ | |
426 | data[5] = lines; | |
427 | /* bytes per line */ | |
428 | data[6] = itv->vbi.enc_size / lines; | |
429 | } | |
430 | ||
431 | IVTV_DEBUG_INFO( | |
432 | "Setup VBI API header 0x%08x pkts %d buffs %d ln %d sz %d\n", | |
433 | data[0], data[1], data[2], data[5], data[6]); | |
434 | ||
435 | ivtv_api(itv, CX2341X_ENC_SET_VBI_CONFIG, 7, data); | |
436 | ||
437 | /* returns the VBI encoder memory area. */ | |
438 | itv->vbi.enc_start = data[2]; | |
439 | itv->vbi.fpi = data[0]; | |
440 | if (!itv->vbi.fpi) | |
441 | itv->vbi.fpi = 1; | |
442 | ||
fd8b281a HV |
443 | IVTV_DEBUG_INFO("Setup VBI start 0x%08x frames %d fpi %d\n", |
444 | itv->vbi.enc_start, data[1], itv->vbi.fpi); | |
1a0adaf3 HV |
445 | |
446 | /* select VBI lines. | |
447 | Note that the sliced argument seems to have no effect. */ | |
448 | for (i = 2; i <= 24; i++) { | |
449 | int valid; | |
450 | ||
451 | if (itv->is_60hz) { | |
452 | valid = i >= 10 && i < 22; | |
453 | } else { | |
454 | valid = i >= 6 && i < 24; | |
455 | } | |
456 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, i - 1, | |
457 | valid, 0 , 0, 0); | |
458 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, (i - 1) | 0x80000000, | |
459 | valid, 0, 0, 0); | |
460 | } | |
461 | ||
462 | /* Remaining VBI questions: | |
463 | - Is it possible to select particular VBI lines only for inclusion in the MPEG | |
464 | stream? Currently you can only get the first X lines. | |
465 | - Is mixed raw and sliced VBI possible? | |
466 | - What's the meaning of the raw/sliced flag? | |
467 | - What's the meaning of params 2, 3 & 4 of the Select VBI command? */ | |
468 | } | |
469 | ||
470 | int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) | |
471 | { | |
472 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
473 | struct ivtv *itv = s->itv; | |
474 | int captype = 0, subtype = 0; | |
475 | int enable_passthrough = 0; | |
476 | ||
8ac05ae3 | 477 | if (s->vdev == NULL) |
1a0adaf3 HV |
478 | return -EINVAL; |
479 | ||
480 | IVTV_DEBUG_INFO("Start encoder stream %s\n", s->name); | |
481 | ||
482 | switch (s->type) { | |
483 | case IVTV_ENC_STREAM_TYPE_MPG: | |
484 | captype = 0; | |
485 | subtype = 3; | |
486 | ||
487 | /* Stop Passthrough */ | |
488 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
489 | ivtv_passthrough_mode(itv, 0); | |
490 | enable_passthrough = 1; | |
491 | } | |
492 | itv->mpg_data_received = itv->vbi_data_inserted = 0; | |
493 | itv->dualwatch_jiffies = jiffies; | |
f7b80e69 | 494 | itv->dualwatch_stereo_mode = v4l2_ctrl_g_ctrl(itv->cxhdl.audio_mode); |
1a0adaf3 HV |
495 | itv->search_pack_header = 0; |
496 | break; | |
497 | ||
498 | case IVTV_ENC_STREAM_TYPE_YUV: | |
499 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
500 | captype = 2; | |
501 | subtype = 11; /* video+audio+decoder */ | |
502 | break; | |
503 | } | |
504 | captype = 1; | |
505 | subtype = 1; | |
506 | break; | |
507 | case IVTV_ENC_STREAM_TYPE_PCM: | |
508 | captype = 1; | |
509 | subtype = 2; | |
510 | break; | |
511 | case IVTV_ENC_STREAM_TYPE_VBI: | |
512 | captype = 1; | |
513 | subtype = 4; | |
514 | ||
515 | itv->vbi.frame = 0; | |
516 | itv->vbi.inserted_frame = 0; | |
517 | memset(itv->vbi.sliced_mpeg_size, | |
518 | 0, sizeof(itv->vbi.sliced_mpeg_size)); | |
519 | break; | |
520 | default: | |
521 | return -EINVAL; | |
522 | } | |
523 | s->subtype = subtype; | |
524 | s->buffers_stolen = 0; | |
525 | ||
1a0adaf3 HV |
526 | /* Clear Streamoff flags in case left from last capture */ |
527 | clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); | |
528 | ||
529 | if (atomic_read(&itv->capturing) == 0) { | |
fd8b281a HV |
530 | int digitizer; |
531 | ||
1a0adaf3 HV |
532 | /* Always use frame based mode. Experiments have demonstrated that byte |
533 | stream based mode results in dropped frames and corruption. Not often, | |
534 | but occasionally. Many thanks go to Leonard Orb who spent a lot of | |
535 | effort and time trying to trace the cause of the drop outs. */ | |
536 | /* 1 frame per DMA */ | |
537 | /*ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 128, 0); */ | |
538 | ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 1, 1); | |
539 | ||
540 | /* Stuff from Windows, we don't know what it is */ | |
541 | ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1, 0); | |
542 | /* According to the docs, this should be correct. However, this is | |
543 | untested. I don't dare enable this without having tested it. | |
544 | Only very few old cards actually have this hardware combination. | |
545 | ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1, | |
546 | ((itv->hw_flags & IVTV_HW_SAA7114) && itv->is_60hz) ? 10001 : 0); | |
547 | */ | |
548 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 3, !itv->has_cx23415); | |
549 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 8, 0); | |
550 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 4, 1); | |
551 | ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12); | |
552 | ||
553 | /* assign placeholder */ | |
554 | ivtv_vapi(itv, CX2341X_ENC_SET_PLACEHOLDER, 12, | |
555 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
556 | ||
fd8b281a HV |
557 | if (itv->card->hw_all & (IVTV_HW_SAA7115 | IVTV_HW_SAA717X)) |
558 | digitizer = 0xF1; | |
559 | else if (itv->card->hw_all & IVTV_HW_SAA7114) | |
560 | digitizer = 0xEF; | |
561 | else /* cx25840 */ | |
562 | digitizer = 0x140; | |
563 | ||
564 | ivtv_vapi(itv, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, digitizer, digitizer); | |
1a0adaf3 HV |
565 | |
566 | /* Setup VBI */ | |
567 | if (itv->v4l2_cap & V4L2_CAP_VBI_CAPTURE) { | |
568 | ivtv_vbi_setup(itv); | |
569 | } | |
570 | ||
571 | /* assign program index info. Mask 7: select I/P/B, Num_req: 400 max */ | |
572 | ivtv_vapi_result(itv, data, CX2341X_ENC_SET_PGM_INDEX_INFO, 2, 7, 400); | |
573 | itv->pgm_info_offset = data[0]; | |
574 | itv->pgm_info_num = data[1]; | |
575 | itv->pgm_info_write_idx = 0; | |
576 | itv->pgm_info_read_idx = 0; | |
577 | ||
578 | IVTV_DEBUG_INFO("PGM Index at 0x%08x with %d elements\n", | |
579 | itv->pgm_info_offset, itv->pgm_info_num); | |
580 | ||
581 | /* Setup API for Stream */ | |
f7b80e69 | 582 | cx2341x_handler_setup(&itv->cxhdl); |
254d6eb1 HV |
583 | |
584 | /* mute if capturing radio */ | |
585 | if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) | |
586 | ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, | |
f7b80e69 | 587 | 1 | (v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute_yuv) << 8)); |
1a0adaf3 HV |
588 | } |
589 | ||
590 | /* Vsync Setup */ | |
591 | if (itv->has_cx23415 && !test_and_set_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) { | |
592 | /* event notification (on) */ | |
593 | ivtv_vapi(itv, CX2341X_ENC_SET_EVENT_NOTIFICATION, 4, 0, 1, IVTV_IRQ_ENC_VIM_RST, -1); | |
594 | ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VIM_RST); | |
595 | } | |
596 | ||
597 | if (atomic_read(&itv->capturing) == 0) { | |
598 | /* Clear all Pending Interrupts */ | |
599 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
600 | ||
601 | clear_bit(IVTV_F_I_EOS, &itv->i_flags); | |
602 | ||
f7b80e69 HV |
603 | cx2341x_handler_set_busy(&itv->cxhdl, 1); |
604 | ||
1a0adaf3 | 605 | /* Initialize Digitizer for Capture */ |
3ccc646b AW |
606 | /* Avoid tinny audio problem - ensure audio clocks are going */ |
607 | v4l2_subdev_call(itv->sd_audio, audio, s_stream, 1); | |
608 | /* Avoid unpredictable PCI bus hang - disable video clocks */ | |
67ec09fd | 609 | v4l2_subdev_call(itv->sd_video, video, s_stream, 0); |
7700a0d2 | 610 | ivtv_msleep_timeout(300, 0); |
1a0adaf3 | 611 | ivtv_vapi(itv, CX2341X_ENC_INITIALIZE_INPUT, 0); |
67ec09fd | 612 | v4l2_subdev_call(itv->sd_video, video, s_stream, 1); |
1a0adaf3 HV |
613 | } |
614 | ||
615 | /* begin_capture */ | |
616 | if (ivtv_vapi(itv, CX2341X_ENC_START_CAPTURE, 2, captype, subtype)) | |
617 | { | |
618 | IVTV_DEBUG_WARN( "Error starting capture!\n"); | |
619 | return -EINVAL; | |
620 | } | |
621 | ||
622 | /* Start Passthrough */ | |
623 | if (enable_passthrough) { | |
624 | ivtv_passthrough_mode(itv, 1); | |
625 | } | |
626 | ||
627 | if (s->type == IVTV_ENC_STREAM_TYPE_VBI) | |
628 | ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VBI_CAP); | |
629 | else | |
630 | ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
631 | ||
632 | /* you're live! sit back and await interrupts :) */ | |
633 | atomic_inc(&itv->capturing); | |
634 | return 0; | |
635 | } | |
636 | ||
637 | static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) | |
638 | { | |
639 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
640 | struct ivtv *itv = s->itv; | |
641 | int datatype; | |
bd62307b IA |
642 | u16 width; |
643 | u16 height; | |
1a0adaf3 | 644 | |
8ac05ae3 | 645 | if (s->vdev == NULL) |
1a0adaf3 HV |
646 | return -EINVAL; |
647 | ||
648 | IVTV_DEBUG_INFO("Setting some initial decoder settings\n"); | |
649 | ||
f7b80e69 HV |
650 | width = itv->cxhdl.width; |
651 | height = itv->cxhdl.height; | |
bd62307b | 652 | |
1a0adaf3 HV |
653 | /* set audio mode to left/stereo for dual/stereo mode. */ |
654 | ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); | |
655 | ||
656 | /* set number of internal decoder buffers */ | |
657 | ivtv_vapi(itv, CX2341X_DEC_SET_DISPLAY_BUFFERS, 1, 0); | |
658 | ||
659 | /* prebuffering */ | |
660 | ivtv_vapi(itv, CX2341X_DEC_SET_PREBUFFERING, 1, 1); | |
661 | ||
662 | /* extract from user packets */ | |
663 | ivtv_vapi_result(itv, data, CX2341X_DEC_EXTRACT_VBI, 1, 1); | |
664 | itv->vbi.dec_start = data[0]; | |
665 | ||
666 | IVTV_DEBUG_INFO("Decoder VBI RE-Insert start 0x%08x size 0x%08x\n", | |
667 | itv->vbi.dec_start, data[1]); | |
668 | ||
669 | /* set decoder source settings */ | |
670 | /* Data type: 0 = mpeg from host, | |
671 | 1 = yuv from encoder, | |
672 | 2 = yuv_from_host */ | |
673 | switch (s->type) { | |
674 | case IVTV_DEC_STREAM_TYPE_YUV: | |
bd62307b IA |
675 | if (itv->output_mode == OUT_PASSTHROUGH) { |
676 | datatype = 1; | |
677 | } else { | |
678 | /* Fake size to avoid switching video standard */ | |
679 | datatype = 2; | |
680 | width = 720; | |
681 | height = itv->is_out_50hz ? 576 : 480; | |
682 | } | |
1a0adaf3 HV |
683 | IVTV_DEBUG_INFO("Setup DEC YUV Stream data[0] = %d\n", datatype); |
684 | break; | |
685 | case IVTV_DEC_STREAM_TYPE_MPG: | |
686 | default: | |
687 | datatype = 0; | |
688 | break; | |
689 | } | |
690 | if (ivtv_vapi(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, datatype, | |
f7b80e69 | 691 | width, height, itv->cxhdl.audio_properties)) { |
5a338c38 | 692 | IVTV_DEBUG_WARN("Couldn't initialize decoder source\n"); |
1a0adaf3 | 693 | } |
666092c6 IA |
694 | |
695 | /* Decoder sometimes dies here, so wait a moment */ | |
696 | ivtv_msleep_timeout(10, 0); | |
697 | ||
914610e8 | 698 | /* Known failure point for firmware, so check */ |
215659d1 | 699 | return ivtv_firmware_check(itv, "ivtv_setup_v4l2_decode_stream"); |
1a0adaf3 HV |
700 | } |
701 | ||
702 | int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset) | |
703 | { | |
704 | struct ivtv *itv = s->itv; | |
914610e8 | 705 | int rc; |
1a0adaf3 | 706 | |
8ac05ae3 | 707 | if (s->vdev == NULL) |
1a0adaf3 HV |
708 | return -EINVAL; |
709 | ||
710 | if (test_and_set_bit(IVTV_F_S_STREAMING, &s->s_flags)) | |
711 | return 0; /* already started */ | |
712 | ||
713 | IVTV_DEBUG_INFO("Starting decode stream %s (gop_offset %d)\n", s->name, gop_offset); | |
714 | ||
914610e8 IA |
715 | rc = ivtv_setup_v4l2_decode_stream(s); |
716 | if (rc < 0) { | |
717 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
718 | return rc; | |
719 | } | |
1a0adaf3 HV |
720 | |
721 | /* set dma size to 65536 bytes */ | |
722 | ivtv_vapi(itv, CX2341X_DEC_SET_DMA_BLOCK_SIZE, 1, 65536); | |
723 | ||
77aded6b | 724 | /* Clear Streamoff */ |
1a0adaf3 HV |
725 | clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); |
726 | ||
727 | /* Zero out decoder counters */ | |
33c0fcad HV |
728 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[0]); |
729 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[1]); | |
730 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[2]); | |
731 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[3]); | |
1a0adaf3 HV |
732 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[0]); |
733 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[1]); | |
734 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[2]); | |
735 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[3]); | |
736 | ||
737 | /* turn on notification of dual/stereo mode change */ | |
738 | ivtv_vapi(itv, CX2341X_DEC_SET_EVENT_NOTIFICATION, 4, 0, 1, IVTV_IRQ_DEC_AUD_MODE_CHG, -1); | |
739 | ||
740 | /* start playback */ | |
741 | ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, gop_offset, 0); | |
742 | ||
666092c6 IA |
743 | /* Let things settle before we actually start */ |
744 | ivtv_msleep_timeout(10, 0); | |
745 | ||
1a0adaf3 HV |
746 | /* Clear the following Interrupt mask bits for decoding */ |
747 | ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_DECODE); | |
748 | IVTV_DEBUG_IRQ("IRQ Mask is now: 0x%08x\n", itv->irqmask); | |
749 | ||
750 | /* you're live! sit back and await interrupts :) */ | |
751 | atomic_inc(&itv->decoding); | |
752 | return 0; | |
753 | } | |
754 | ||
755 | void ivtv_stop_all_captures(struct ivtv *itv) | |
756 | { | |
757 | int i; | |
758 | ||
759 | for (i = IVTV_MAX_STREAMS - 1; i >= 0; i--) { | |
760 | struct ivtv_stream *s = &itv->streams[i]; | |
761 | ||
8ac05ae3 | 762 | if (s->vdev == NULL) |
1a0adaf3 HV |
763 | continue; |
764 | if (test_bit(IVTV_F_S_STREAMING, &s->s_flags)) { | |
765 | ivtv_stop_v4l2_encode_stream(s, 0); | |
766 | } | |
767 | } | |
768 | } | |
769 | ||
770 | int ivtv_stop_v4l2_encode_stream(struct ivtv_stream *s, int gop_end) | |
771 | { | |
772 | struct ivtv *itv = s->itv; | |
773 | DECLARE_WAITQUEUE(wait, current); | |
774 | int cap_type; | |
1a0adaf3 | 775 | int stopmode; |
1a0adaf3 | 776 | |
8ac05ae3 | 777 | if (s->vdev == NULL) |
1a0adaf3 HV |
778 | return -EINVAL; |
779 | ||
780 | /* This function assumes that you are allowed to stop the capture | |
781 | and that we are actually capturing */ | |
782 | ||
783 | IVTV_DEBUG_INFO("Stop Capture\n"); | |
784 | ||
785 | if (s->type == IVTV_DEC_STREAM_TYPE_VOUT) | |
786 | return 0; | |
787 | if (atomic_read(&itv->capturing) == 0) | |
788 | return 0; | |
789 | ||
790 | switch (s->type) { | |
791 | case IVTV_ENC_STREAM_TYPE_YUV: | |
792 | cap_type = 1; | |
793 | break; | |
794 | case IVTV_ENC_STREAM_TYPE_PCM: | |
795 | cap_type = 1; | |
796 | break; | |
797 | case IVTV_ENC_STREAM_TYPE_VBI: | |
798 | cap_type = 1; | |
799 | break; | |
800 | case IVTV_ENC_STREAM_TYPE_MPG: | |
801 | default: | |
802 | cap_type = 0; | |
803 | break; | |
804 | } | |
805 | ||
806 | /* Stop Capture Mode */ | |
807 | if (s->type == IVTV_ENC_STREAM_TYPE_MPG && gop_end) { | |
808 | stopmode = 0; | |
809 | } else { | |
810 | stopmode = 1; | |
811 | } | |
812 | ||
813 | /* end_capture */ | |
814 | /* when: 0 = end of GOP 1 = NOW!, type: 0 = mpeg, subtype: 3 = video+audio */ | |
815 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, stopmode, cap_type, s->subtype); | |
816 | ||
1a0adaf3 HV |
817 | if (!test_bit(IVTV_F_S_PASSTHROUGH, &s->s_flags)) { |
818 | if (s->type == IVTV_ENC_STREAM_TYPE_MPG && gop_end) { | |
819 | /* only run these if we're shutting down the last cap */ | |
820 | unsigned long duration; | |
559e196a | 821 | unsigned long then = jiffies; |
1a0adaf3 | 822 | |
fd8b281a | 823 | add_wait_queue(&itv->eos_waitq, &wait); |
1a0adaf3 HV |
824 | |
825 | set_current_state(TASK_INTERRUPTIBLE); | |
826 | ||
827 | /* wait 2s for EOS interrupt */ | |
201700d3 | 828 | while (!test_bit(IVTV_F_I_EOS, &itv->i_flags) && |
168c626c JL |
829 | time_before(jiffies, |
830 | then + msecs_to_jiffies(2000))) { | |
201700d3 | 831 | schedule_timeout(msecs_to_jiffies(10)); |
1a0adaf3 HV |
832 | } |
833 | ||
834 | /* To convert jiffies to ms, we must multiply by 1000 | |
835 | * and divide by HZ. To avoid runtime division, we | |
836 | * convert this to multiplication by 1000/HZ. | |
837 | * Since integer division truncates, we get the best | |
838 | * accuracy if we do a rounding calculation of the constant. | |
839 | * Think of the case where HZ is 1024. | |
840 | */ | |
841 | duration = ((1000 + HZ / 2) / HZ) * (jiffies - then); | |
842 | ||
843 | if (!test_bit(IVTV_F_I_EOS, &itv->i_flags)) { | |
844 | IVTV_DEBUG_WARN("%s: EOS interrupt not received! stopping anyway.\n", s->name); | |
845 | IVTV_DEBUG_WARN("%s: waited %lu ms.\n", s->name, duration); | |
846 | } else { | |
847 | IVTV_DEBUG_INFO("%s: EOS took %lu ms to occur.\n", s->name, duration); | |
848 | } | |
849 | set_current_state(TASK_RUNNING); | |
fd8b281a | 850 | remove_wait_queue(&itv->eos_waitq, &wait); |
559e196a | 851 | set_bit(IVTV_F_S_STREAMOFF, &s->s_flags); |
1a0adaf3 HV |
852 | } |
853 | ||
3562c43b | 854 | /* Handle any pending interrupts */ |
7700a0d2 | 855 | ivtv_msleep_timeout(100, 0); |
1a0adaf3 HV |
856 | } |
857 | ||
858 | atomic_dec(&itv->capturing); | |
859 | ||
860 | /* Clear capture and no-read bits */ | |
861 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
862 | ||
863 | if (s->type == IVTV_ENC_STREAM_TYPE_VBI) | |
864 | ivtv_set_irq_mask(itv, IVTV_IRQ_ENC_VBI_CAP); | |
865 | ||
866 | if (atomic_read(&itv->capturing) > 0) { | |
867 | return 0; | |
868 | } | |
869 | ||
f7b80e69 HV |
870 | cx2341x_handler_set_busy(&itv->cxhdl, 0); |
871 | ||
1a0adaf3 HV |
872 | /* Set the following Interrupt mask bits for capture */ |
873 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
e17a06ba | 874 | del_timer(&itv->dma_timer); |
1a0adaf3 | 875 | |
f8859691 HV |
876 | /* event notification (off) */ |
877 | if (test_and_clear_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) { | |
878 | /* type: 0 = refresh */ | |
879 | /* on/off: 0 = off, intr: 0x10000000, mbox_id: -1: none */ | |
880 | ivtv_vapi(itv, CX2341X_ENC_SET_EVENT_NOTIFICATION, 4, 0, 0, IVTV_IRQ_ENC_VIM_RST, -1); | |
881 | ivtv_set_irq_mask(itv, IVTV_IRQ_ENC_VIM_RST); | |
882 | } | |
883 | ||
9a766d55 IA |
884 | /* Raw-passthrough is implied on start. Make sure it's stopped so |
885 | the encoder will re-initialize when next started */ | |
886 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, 1, 2, 7); | |
887 | ||
1a0adaf3 HV |
888 | wake_up(&s->waitq); |
889 | ||
890 | return 0; | |
891 | } | |
892 | ||
893 | int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts) | |
894 | { | |
09250193 HV |
895 | static const struct v4l2_event ev = { |
896 | .type = V4L2_EVENT_EOS, | |
897 | }; | |
1a0adaf3 HV |
898 | struct ivtv *itv = s->itv; |
899 | ||
8ac05ae3 | 900 | if (s->vdev == NULL) |
1a0adaf3 HV |
901 | return -EINVAL; |
902 | ||
903 | if (s->type != IVTV_DEC_STREAM_TYPE_YUV && s->type != IVTV_DEC_STREAM_TYPE_MPG) | |
904 | return -EINVAL; | |
905 | ||
906 | if (!test_bit(IVTV_F_S_STREAMING, &s->s_flags)) | |
907 | return 0; | |
908 | ||
c4385098 | 909 | IVTV_DEBUG_INFO("Stop Decode at %llu, flags: %x\n", (unsigned long long)pts, flags); |
1a0adaf3 HV |
910 | |
911 | /* Stop Decoder */ | |
da8ec560 | 912 | if (!(flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) || pts) { |
1a0adaf3 HV |
913 | u32 tmp = 0; |
914 | ||
915 | /* Wait until the decoder is no longer running */ | |
916 | if (pts) { | |
917 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, | |
918 | 0, (u32)(pts & 0xffffffff), (u32)(pts >> 32)); | |
919 | } | |
920 | while (1) { | |
921 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
922 | ivtv_vapi_result(itv, data, CX2341X_DEC_GET_XFER_INFO, 0); | |
923 | if (s->q_full.buffers + s->q_dma.buffers == 0) { | |
924 | if (tmp == data[3]) | |
925 | break; | |
926 | tmp = data[3]; | |
927 | } | |
201700d3 | 928 | if (ivtv_msleep_timeout(100, 1)) |
1a0adaf3 HV |
929 | break; |
930 | } | |
931 | } | |
da8ec560 | 932 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, flags & V4L2_DEC_CMD_STOP_TO_BLACK, 0, 0); |
1a0adaf3 HV |
933 | |
934 | /* turn off notification of dual/stereo mode change */ | |
935 | ivtv_vapi(itv, CX2341X_DEC_SET_EVENT_NOTIFICATION, 4, 0, 0, IVTV_IRQ_DEC_AUD_MODE_CHG, -1); | |
936 | ||
937 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_DECODE); | |
e17a06ba | 938 | del_timer(&itv->dma_timer); |
1a0adaf3 HV |
939 | |
940 | clear_bit(IVTV_F_S_NEEDS_DATA, &s->s_flags); | |
941 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
942 | ivtv_flush_queues(s); | |
943 | ||
f06b9bd4 IA |
944 | /* decoder needs time to settle */ |
945 | ivtv_msleep_timeout(40, 0); | |
946 | ||
1a0adaf3 HV |
947 | /* decrement decoding */ |
948 | atomic_dec(&itv->decoding); | |
949 | ||
950 | set_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags); | |
951 | wake_up(&itv->event_waitq); | |
09250193 | 952 | v4l2_event_queue(s->vdev, &ev); |
1a0adaf3 HV |
953 | |
954 | /* wake up wait queues */ | |
955 | wake_up(&s->waitq); | |
956 | ||
957 | return 0; | |
958 | } | |
959 | ||
960 | int ivtv_passthrough_mode(struct ivtv *itv, int enable) | |
961 | { | |
962 | struct ivtv_stream *yuv_stream = &itv->streams[IVTV_ENC_STREAM_TYPE_YUV]; | |
963 | struct ivtv_stream *dec_stream = &itv->streams[IVTV_DEC_STREAM_TYPE_YUV]; | |
964 | ||
8ac05ae3 | 965 | if (yuv_stream->vdev == NULL || dec_stream->vdev == NULL) |
1a0adaf3 HV |
966 | return -EINVAL; |
967 | ||
968 | IVTV_DEBUG_INFO("ivtv ioctl: Select passthrough mode\n"); | |
969 | ||
970 | /* Prevent others from starting/stopping streams while we | |
971 | initiate/terminate passthrough mode */ | |
972 | if (enable) { | |
973 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
974 | return 0; | |
975 | } | |
976 | if (ivtv_set_output_mode(itv, OUT_PASSTHROUGH) != OUT_PASSTHROUGH) | |
977 | return -EBUSY; | |
978 | ||
979 | /* Fully initialize stream, and then unflag init */ | |
980 | set_bit(IVTV_F_S_PASSTHROUGH, &dec_stream->s_flags); | |
981 | set_bit(IVTV_F_S_STREAMING, &dec_stream->s_flags); | |
982 | ||
983 | /* Setup YUV Decoder */ | |
984 | ivtv_setup_v4l2_decode_stream(dec_stream); | |
985 | ||
986 | /* Start Decoder */ | |
987 | ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 1); | |
988 | atomic_inc(&itv->decoding); | |
989 | ||
990 | /* Setup capture if not already done */ | |
991 | if (atomic_read(&itv->capturing) == 0) { | |
f7b80e69 HV |
992 | cx2341x_handler_setup(&itv->cxhdl); |
993 | cx2341x_handler_set_busy(&itv->cxhdl, 1); | |
1a0adaf3 HV |
994 | } |
995 | ||
996 | /* Start Passthrough Mode */ | |
997 | ivtv_vapi(itv, CX2341X_ENC_START_CAPTURE, 2, 2, 11); | |
998 | atomic_inc(&itv->capturing); | |
999 | return 0; | |
1000 | } | |
1001 | ||
1002 | if (itv->output_mode != OUT_PASSTHROUGH) | |
1003 | return 0; | |
1004 | ||
1005 | /* Stop Passthrough Mode */ | |
1006 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, 1, 2, 11); | |
1007 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, 1, 0, 0); | |
1008 | ||
1009 | atomic_dec(&itv->capturing); | |
1010 | atomic_dec(&itv->decoding); | |
1011 | clear_bit(IVTV_F_S_PASSTHROUGH, &dec_stream->s_flags); | |
1012 | clear_bit(IVTV_F_S_STREAMING, &dec_stream->s_flags); | |
1013 | itv->output_mode = OUT_NONE; | |
f7b80e69 HV |
1014 | if (atomic_read(&itv->capturing) == 0) |
1015 | cx2341x_handler_set_busy(&itv->cxhdl, 0); | |
1a0adaf3 HV |
1016 | |
1017 | return 0; | |
1018 | } |