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, | |
074689d6 | 53 | .unlocked_ioctl = video_ioctl2, |
8a24280b AB |
54 | #ifdef CONFIG_COMPAT |
55 | .compat_ioctl32 = video_ioctl2, /* for ivtv_default() */ | |
56 | #endif | |
daf20d95 HV |
57 | .release = ivtv_v4l2_close, |
58 | .poll = ivtv_v4l2_enc_poll, | |
1a0adaf3 HV |
59 | }; |
60 | ||
bec43661 | 61 | static const struct v4l2_file_operations ivtv_v4l2_dec_fops = { |
daf20d95 HV |
62 | .owner = THIS_MODULE, |
63 | .read = ivtv_v4l2_read, | |
64 | .write = ivtv_v4l2_write, | |
65 | .open = ivtv_v4l2_open, | |
074689d6 | 66 | .unlocked_ioctl = video_ioctl2, |
8a24280b AB |
67 | #ifdef CONFIG_COMPAT |
68 | .compat_ioctl32 = video_ioctl2, /* for ivtv_default() */ | |
69 | #endif | |
daf20d95 HV |
70 | .release = ivtv_v4l2_close, |
71 | .poll = ivtv_v4l2_dec_poll, | |
1a0adaf3 HV |
72 | }; |
73 | ||
7eaf4966 HV |
74 | static const struct v4l2_file_operations ivtv_v4l2_radio_fops = { |
75 | .owner = THIS_MODULE, | |
76 | .open = ivtv_v4l2_open, | |
77 | .unlocked_ioctl = video_ioctl2, | |
8a24280b AB |
78 | #ifdef CONFIG_COMPAT |
79 | .compat_ioctl32 = video_ioctl2, /* for ivtv_default() */ | |
80 | #endif | |
7eaf4966 HV |
81 | .release = ivtv_v4l2_close, |
82 | .poll = ivtv_v4l2_enc_poll, | |
83 | }; | |
84 | ||
33c0fcad HV |
85 | #define IVTV_V4L2_DEC_MPG_OFFSET 16 /* offset from 0 to register decoder mpg v4l2 minors on */ |
86 | #define IVTV_V4L2_ENC_PCM_OFFSET 24 /* offset from 0 to register pcm v4l2 minors on */ | |
87 | #define IVTV_V4L2_ENC_YUV_OFFSET 32 /* offset from 0 to register yuv v4l2 minors on */ | |
88 | #define IVTV_V4L2_DEC_YUV_OFFSET 48 /* offset from 0 to register decoder yuv v4l2 minors on */ | |
89 | #define IVTV_V4L2_DEC_VBI_OFFSET 8 /* offset from 0 to register decoder vbi input v4l2 minors on */ | |
90 | #define IVTV_V4L2_DEC_VOUT_OFFSET 16 /* offset from 0 to register vbi output v4l2 minors on */ | |
91 | ||
31ec1356 | 92 | static struct { |
1a0adaf3 HV |
93 | const char *name; |
94 | int vfl_type; | |
dd89601d | 95 | int num_offset; |
1a0adaf3 | 96 | int dma, pio; |
d0c8b2d4 | 97 | u32 v4l2_caps; |
bec43661 | 98 | const struct v4l2_file_operations *fops; |
1a0adaf3 HV |
99 | } ivtv_stream_info[] = { |
100 | { /* IVTV_ENC_STREAM_TYPE_MPG */ | |
7c03a448 | 101 | "encoder MPG", |
1a0adaf3 | 102 | VFL_TYPE_GRABBER, 0, |
ff82b211 | 103 | PCI_DMA_FROMDEVICE, 0, |
d0c8b2d4 HV |
104 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | |
105 | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, | |
1a0adaf3 HV |
106 | &ivtv_v4l2_enc_fops |
107 | }, | |
108 | { /* IVTV_ENC_STREAM_TYPE_YUV */ | |
109 | "encoder YUV", | |
110 | VFL_TYPE_GRABBER, IVTV_V4L2_ENC_YUV_OFFSET, | |
ff82b211 | 111 | PCI_DMA_FROMDEVICE, 0, |
d0c8b2d4 HV |
112 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | |
113 | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, | |
1a0adaf3 HV |
114 | &ivtv_v4l2_enc_fops |
115 | }, | |
116 | { /* IVTV_ENC_STREAM_TYPE_VBI */ | |
117 | "encoder VBI", | |
118 | VFL_TYPE_VBI, 0, | |
ff82b211 | 119 | PCI_DMA_FROMDEVICE, 0, |
d0c8b2d4 HV |
120 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_TUNER | |
121 | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, | |
1a0adaf3 HV |
122 | &ivtv_v4l2_enc_fops |
123 | }, | |
124 | { /* IVTV_ENC_STREAM_TYPE_PCM */ | |
7c03a448 | 125 | "encoder PCM", |
1a0adaf3 | 126 | VFL_TYPE_GRABBER, IVTV_V4L2_ENC_PCM_OFFSET, |
ff82b211 | 127 | PCI_DMA_FROMDEVICE, 0, |
d0c8b2d4 | 128 | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
129 | &ivtv_v4l2_enc_fops |
130 | }, | |
131 | { /* IVTV_ENC_STREAM_TYPE_RAD */ | |
132 | "encoder radio", | |
133 | VFL_TYPE_RADIO, 0, | |
ff82b211 | 134 | PCI_DMA_NONE, 1, |
d0c8b2d4 | 135 | V4L2_CAP_RADIO | V4L2_CAP_TUNER, |
7eaf4966 | 136 | &ivtv_v4l2_radio_fops |
1a0adaf3 HV |
137 | }, |
138 | { /* IVTV_DEC_STREAM_TYPE_MPG */ | |
7c03a448 | 139 | "decoder MPG", |
1a0adaf3 | 140 | VFL_TYPE_GRABBER, IVTV_V4L2_DEC_MPG_OFFSET, |
ff82b211 | 141 | PCI_DMA_TODEVICE, 0, |
38a1421d HV |
142 | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | |
143 | V4L2_CAP_VIDEO_OUTPUT_OVERLAY, | |
1a0adaf3 HV |
144 | &ivtv_v4l2_dec_fops |
145 | }, | |
146 | { /* IVTV_DEC_STREAM_TYPE_VBI */ | |
147 | "decoder VBI", | |
148 | VFL_TYPE_VBI, IVTV_V4L2_DEC_VBI_OFFSET, | |
ff82b211 | 149 | PCI_DMA_NONE, 1, |
d0c8b2d4 | 150 | V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
151 | &ivtv_v4l2_enc_fops |
152 | }, | |
153 | { /* IVTV_DEC_STREAM_TYPE_VOUT */ | |
154 | "decoder VOUT", | |
155 | VFL_TYPE_VBI, IVTV_V4L2_DEC_VOUT_OFFSET, | |
ff82b211 | 156 | PCI_DMA_NONE, 1, |
d0c8b2d4 | 157 | V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, |
1a0adaf3 HV |
158 | &ivtv_v4l2_dec_fops |
159 | }, | |
160 | { /* IVTV_DEC_STREAM_TYPE_YUV */ | |
161 | "decoder YUV", | |
162 | VFL_TYPE_GRABBER, IVTV_V4L2_DEC_YUV_OFFSET, | |
ff82b211 | 163 | PCI_DMA_TODEVICE, 0, |
38a1421d HV |
164 | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | |
165 | V4L2_CAP_VIDEO_OUTPUT_OVERLAY, | |
1a0adaf3 HV |
166 | &ivtv_v4l2_dec_fops |
167 | } | |
168 | }; | |
169 | ||
170 | static void ivtv_stream_init(struct ivtv *itv, int type) | |
171 | { | |
172 | struct ivtv_stream *s = &itv->streams[type]; | |
1a0adaf3 | 173 | |
8ac05ae3 | 174 | /* we need to keep vdev, so restore it afterwards */ |
1a0adaf3 | 175 | memset(s, 0, sizeof(*s)); |
1a0adaf3 HV |
176 | |
177 | /* initialize ivtv_stream fields */ | |
178 | s->itv = itv; | |
179 | s->type = type; | |
180 | s->name = ivtv_stream_info[type].name; | |
d0c8b2d4 | 181 | s->caps = ivtv_stream_info[type].v4l2_caps; |
1a0adaf3 HV |
182 | |
183 | if (ivtv_stream_info[type].pio) | |
184 | s->dma = PCI_DMA_NONE; | |
185 | else | |
186 | s->dma = ivtv_stream_info[type].dma; | |
187 | s->buf_size = itv->stream_buf_size[type]; | |
188 | if (s->buf_size) | |
313e91e8 | 189 | s->buffers = (itv->options.kilobytes[type] * 1024 + s->buf_size - 1) / s->buf_size; |
1a0adaf3 HV |
190 | spin_lock_init(&s->qlock); |
191 | init_waitqueue_head(&s->waitq); | |
37093b1e | 192 | s->sg_handle = IVTV_DMA_UNMAPPED; |
1a0adaf3 HV |
193 | ivtv_queue_init(&s->q_free); |
194 | ivtv_queue_init(&s->q_full); | |
195 | ivtv_queue_init(&s->q_dma); | |
196 | ivtv_queue_init(&s->q_predma); | |
197 | ivtv_queue_init(&s->q_io); | |
198 | } | |
199 | ||
18e16f9c | 200 | static int ivtv_prep_dev(struct ivtv *itv, int type) |
1a0adaf3 HV |
201 | { |
202 | struct ivtv_stream *s = &itv->streams[type]; | |
dd89601d | 203 | int num_offset = ivtv_stream_info[type].num_offset; |
67ec09fd | 204 | int num = itv->instance + ivtv_first_minor + num_offset; |
1a0adaf3 | 205 | |
635d62f0 | 206 | /* These four fields are always initialized. If vdev.v4l2_dev == NULL, then |
1a0adaf3 HV |
207 | this stream is not in use. In that case no other fields but these |
208 | four can be used. */ | |
635d62f0 | 209 | s->vdev.v4l2_dev = NULL; |
1a0adaf3 HV |
210 | s->itv = itv; |
211 | s->type = type; | |
212 | s->name = ivtv_stream_info[type].name; | |
213 | ||
214 | /* Check whether the radio is supported */ | |
215 | if (type == IVTV_ENC_STREAM_TYPE_RAD && !(itv->v4l2_cap & V4L2_CAP_RADIO)) | |
216 | return 0; | |
217 | if (type >= IVTV_DEC_STREAM_TYPE_MPG && !(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) | |
218 | return 0; | |
219 | ||
1a0adaf3 HV |
220 | /* User explicitly selected 0 buffers for these streams, so don't |
221 | create them. */ | |
18e16f9c | 222 | if (ivtv_stream_info[type].dma != PCI_DMA_NONE && |
313e91e8 | 223 | itv->options.kilobytes[type] == 0) { |
1a0adaf3 HV |
224 | IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name); |
225 | return 0; | |
226 | } | |
227 | ||
228 | ivtv_stream_init(itv, type); | |
229 | ||
635d62f0 | 230 | snprintf(s->vdev.name, sizeof(s->vdev.name), "%s %s", |
8ac05ae3 | 231 | itv->v4l2_dev.name, s->name); |
1a0adaf3 | 232 | |
635d62f0 HV |
233 | s->vdev.num = num; |
234 | s->vdev.v4l2_dev = &itv->v4l2_dev; | |
954f340f HV |
235 | if (ivtv_stream_info[type].v4l2_caps & |
236 | (V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_SLICED_VBI_OUTPUT)) | |
635d62f0 HV |
237 | s->vdev.vfl_dir = VFL_DIR_TX; |
238 | s->vdev.fops = ivtv_stream_info[type].fops; | |
239 | s->vdev.ctrl_handler = itv->v4l2_dev.ctrl_handler; | |
240 | s->vdev.release = video_device_release_empty; | |
241 | s->vdev.tvnorms = V4L2_STD_ALL; | |
242 | s->vdev.lock = &itv->serialize_lock; | |
5f9c82c0 | 243 | if (s->type == IVTV_DEC_STREAM_TYPE_VBI) { |
635d62f0 HV |
244 | v4l2_disable_ioctl(&s->vdev, VIDIOC_S_AUDIO); |
245 | v4l2_disable_ioctl(&s->vdev, VIDIOC_G_AUDIO); | |
246 | v4l2_disable_ioctl(&s->vdev, VIDIOC_ENUMAUDIO); | |
247 | v4l2_disable_ioctl(&s->vdev, VIDIOC_ENUMINPUT); | |
248 | v4l2_disable_ioctl(&s->vdev, VIDIOC_S_INPUT); | |
249 | v4l2_disable_ioctl(&s->vdev, VIDIOC_G_INPUT); | |
250 | v4l2_disable_ioctl(&s->vdev, VIDIOC_S_FREQUENCY); | |
251 | v4l2_disable_ioctl(&s->vdev, VIDIOC_G_FREQUENCY); | |
252 | v4l2_disable_ioctl(&s->vdev, VIDIOC_S_TUNER); | |
253 | v4l2_disable_ioctl(&s->vdev, VIDIOC_G_TUNER); | |
254 | v4l2_disable_ioctl(&s->vdev, VIDIOC_S_STD); | |
5f9c82c0 | 255 | } |
635d62f0 | 256 | ivtv_set_funcs(&s->vdev); |
18e16f9c HV |
257 | return 0; |
258 | } | |
259 | ||
260 | /* Initialize v4l2 variables and prepare v4l2 devices */ | |
261 | int ivtv_streams_setup(struct ivtv *itv) | |
262 | { | |
263 | int type; | |
264 | ||
265 | /* Setup V4L2 Devices */ | |
266 | for (type = 0; type < IVTV_MAX_STREAMS; type++) { | |
267 | /* Prepare device */ | |
268 | if (ivtv_prep_dev(itv, type)) | |
269 | break; | |
270 | ||
635d62f0 | 271 | if (itv->streams[type].vdev.v4l2_dev == NULL) |
18e16f9c HV |
272 | continue; |
273 | ||
274 | /* Allocate Stream */ | |
275 | if (ivtv_stream_alloc(&itv->streams[type])) | |
276 | break; | |
1a0adaf3 | 277 | } |
18e16f9c | 278 | if (type == IVTV_MAX_STREAMS) |
1a0adaf3 | 279 | return 0; |
18e16f9c HV |
280 | |
281 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
635d62f0 | 282 | ivtv_streams_cleanup(itv); |
18e16f9c HV |
283 | return -ENOMEM; |
284 | } | |
285 | ||
286 | static int ivtv_reg_dev(struct ivtv *itv, int type) | |
287 | { | |
288 | struct ivtv_stream *s = &itv->streams[type]; | |
289 | int vfl_type = ivtv_stream_info[type].vfl_type; | |
38c7c036 | 290 | const char *name; |
dd89601d | 291 | int num; |
18e16f9c | 292 | |
635d62f0 | 293 | if (s->vdev.v4l2_dev == NULL) |
18e16f9c HV |
294 | return 0; |
295 | ||
635d62f0 | 296 | num = s->vdev.num; |
dd89601d HV |
297 | /* card number + user defined offset + device offset */ |
298 | if (type != IVTV_ENC_STREAM_TYPE_MPG) { | |
299 | struct ivtv_stream *s_mpg = &itv->streams[IVTV_ENC_STREAM_TYPE_MPG]; | |
300 | ||
635d62f0 HV |
301 | if (s_mpg->vdev.v4l2_dev) |
302 | num = s_mpg->vdev.num + ivtv_stream_info[type].num_offset; | |
dd89601d | 303 | } |
635d62f0 | 304 | video_set_drvdata(&s->vdev, s); |
dd89601d | 305 | |
18e16f9c | 306 | /* Register device. First try the desired minor, then any free one. */ |
635d62f0 | 307 | if (video_register_device_no_warn(&s->vdev, vfl_type, num)) { |
581644d9 | 308 | IVTV_ERR("Couldn't register v4l2 device for %s (device node number %d)\n", |
dd89601d | 309 | s->name, num); |
18e16f9c | 310 | return -ENOMEM; |
1a0adaf3 | 311 | } |
635d62f0 | 312 | name = video_device_node_name(&s->vdev); |
1a0adaf3 HV |
313 | |
314 | switch (vfl_type) { | |
315 | case VFL_TYPE_GRABBER: | |
38c7c036 LP |
316 | IVTV_INFO("Registered device %s for %s (%d kB)\n", |
317 | name, s->name, itv->options.kilobytes[type]); | |
1a0adaf3 HV |
318 | break; |
319 | case VFL_TYPE_RADIO: | |
38c7c036 LP |
320 | IVTV_INFO("Registered device %s for %s\n", |
321 | name, s->name); | |
1a0adaf3 HV |
322 | break; |
323 | case VFL_TYPE_VBI: | |
313e91e8 | 324 | if (itv->options.kilobytes[type]) |
38c7c036 LP |
325 | IVTV_INFO("Registered device %s for %s (%d kB)\n", |
326 | name, s->name, itv->options.kilobytes[type]); | |
1a0adaf3 | 327 | else |
38c7c036 LP |
328 | IVTV_INFO("Registered device %s for %s\n", |
329 | name, s->name); | |
1a0adaf3 HV |
330 | break; |
331 | } | |
332 | return 0; | |
333 | } | |
334 | ||
18e16f9c HV |
335 | /* Register v4l2 devices */ |
336 | int ivtv_streams_register(struct ivtv *itv) | |
1a0adaf3 HV |
337 | { |
338 | int type; | |
18e16f9c | 339 | int err = 0; |
1a0adaf3 | 340 | |
18e16f9c HV |
341 | /* Register V4L2 devices */ |
342 | for (type = 0; type < IVTV_MAX_STREAMS; type++) | |
343 | err |= ivtv_reg_dev(itv, type); | |
1a0adaf3 | 344 | |
18e16f9c | 345 | if (err == 0) |
1a0adaf3 | 346 | return 0; |
1a0adaf3 HV |
347 | |
348 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
635d62f0 | 349 | ivtv_streams_cleanup(itv); |
1a0adaf3 HV |
350 | return -ENOMEM; |
351 | } | |
352 | ||
353 | /* Unregister v4l2 devices */ | |
635d62f0 | 354 | void ivtv_streams_cleanup(struct ivtv *itv) |
1a0adaf3 HV |
355 | { |
356 | int type; | |
357 | ||
358 | /* Teardown all streams */ | |
359 | for (type = 0; type < IVTV_MAX_STREAMS; type++) { | |
635d62f0 | 360 | struct video_device *vdev = &itv->streams[type].vdev; |
1a0adaf3 | 361 | |
635d62f0 | 362 | if (vdev->v4l2_dev == NULL) |
1a0adaf3 HV |
363 | continue; |
364 | ||
635d62f0 | 365 | video_unregister_device(vdev); |
1a0adaf3 | 366 | ivtv_stream_free(&itv->streams[type]); |
635d62f0 | 367 | itv->streams[type].vdev.v4l2_dev = NULL; |
1a0adaf3 HV |
368 | } |
369 | } | |
370 | ||
371 | static void ivtv_vbi_setup(struct ivtv *itv) | |
372 | { | |
a8b86435 | 373 | int raw = ivtv_raw_vbi(itv); |
1a0adaf3 HV |
374 | u32 data[CX2341X_MBOX_MAX_DATA]; |
375 | int lines; | |
376 | int i; | |
377 | ||
1a0adaf3 HV |
378 | /* Reset VBI */ |
379 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, 0xffff , 0, 0, 0, 0); | |
380 | ||
1a0adaf3 | 381 | /* setup VBI registers */ |
4ff0790b HV |
382 | if (raw) |
383 | v4l2_subdev_call(itv->sd_video, vbi, s_raw_fmt, &itv->vbi.in.fmt.vbi); | |
384 | else | |
385 | v4l2_subdev_call(itv->sd_video, vbi, s_sliced_fmt, &itv->vbi.in.fmt.sliced); | |
1a0adaf3 HV |
386 | |
387 | /* determine number of lines and total number of VBI bytes. | |
388 | A raw line takes 1443 bytes: 2 * 720 + 4 byte frame header - 1 | |
389 | The '- 1' byte is probably an unused U or V byte. Or something... | |
390 | A sliced line takes 51 bytes: 4 byte frame header, 4 byte internal | |
391 | header, 42 data bytes + checksum (to be confirmed) */ | |
392 | if (raw) { | |
393 | lines = itv->vbi.count * 2; | |
394 | } else { | |
395 | lines = itv->is_60hz ? 24 : 38; | |
396 | if (itv->is_60hz && (itv->hw_flags & IVTV_HW_CX25840)) | |
397 | lines += 2; | |
398 | } | |
399 | ||
400 | itv->vbi.enc_size = lines * (raw ? itv->vbi.raw_size : itv->vbi.sliced_size); | |
401 | ||
402 | /* Note: sliced vs raw flag doesn't seem to have any effect | |
403 | TODO: check mode (0x02) value with older ivtv versions. */ | |
404 | data[0] = raw | 0x02 | (0xbd << 8); | |
405 | ||
406 | /* Every X number of frames a VBI interrupt arrives (frames as in 25 or 30 fps) */ | |
407 | data[1] = 1; | |
408 | /* The VBI frames are stored in a ringbuffer with this size (with a VBI frame as unit) */ | |
d526afe0 | 409 | data[2] = raw ? 4 : 4 * (itv->vbi.raw_size / itv->vbi.enc_size); |
1a0adaf3 HV |
410 | /* The start/stop codes determine which VBI lines end up in the raw VBI data area. |
411 | The codes are from table 24 in the saa7115 datasheet. Each raw/sliced/video line | |
412 | is framed with codes FF0000XX where XX is the SAV/EAV (Start/End of Active Video) | |
413 | code. These values for raw VBI are obtained from a driver disassembly. The sliced | |
414 | start/stop codes was deduced from this, but they do not appear in the driver. | |
415 | Other code pairs that I found are: 0x250E6249/0x13545454 and 0x25256262/0x38137F54. | |
416 | However, I have no idea what these values are for. */ | |
417 | if (itv->hw_flags & IVTV_HW_CX25840) { | |
418 | /* Setup VBI for the cx25840 digitizer */ | |
419 | if (raw) { | |
420 | data[3] = 0x20602060; | |
421 | data[4] = 0x30703070; | |
422 | } else { | |
423 | data[3] = 0xB0F0B0F0; | |
424 | data[4] = 0xA0E0A0E0; | |
425 | } | |
426 | /* Lines per frame */ | |
427 | data[5] = lines; | |
428 | /* bytes per line */ | |
429 | data[6] = (raw ? itv->vbi.raw_size : itv->vbi.sliced_size); | |
430 | } else { | |
431 | /* Setup VBI for the saa7115 digitizer */ | |
432 | if (raw) { | |
433 | data[3] = 0x25256262; | |
434 | data[4] = 0x387F7F7F; | |
435 | } else { | |
436 | data[3] = 0xABABECEC; | |
437 | data[4] = 0xB6F1F1F1; | |
438 | } | |
439 | /* Lines per frame */ | |
440 | data[5] = lines; | |
441 | /* bytes per line */ | |
442 | data[6] = itv->vbi.enc_size / lines; | |
443 | } | |
444 | ||
445 | IVTV_DEBUG_INFO( | |
446 | "Setup VBI API header 0x%08x pkts %d buffs %d ln %d sz %d\n", | |
447 | data[0], data[1], data[2], data[5], data[6]); | |
448 | ||
449 | ivtv_api(itv, CX2341X_ENC_SET_VBI_CONFIG, 7, data); | |
450 | ||
451 | /* returns the VBI encoder memory area. */ | |
452 | itv->vbi.enc_start = data[2]; | |
453 | itv->vbi.fpi = data[0]; | |
454 | if (!itv->vbi.fpi) | |
455 | itv->vbi.fpi = 1; | |
456 | ||
fd8b281a HV |
457 | IVTV_DEBUG_INFO("Setup VBI start 0x%08x frames %d fpi %d\n", |
458 | itv->vbi.enc_start, data[1], itv->vbi.fpi); | |
1a0adaf3 HV |
459 | |
460 | /* select VBI lines. | |
461 | Note that the sliced argument seems to have no effect. */ | |
462 | for (i = 2; i <= 24; i++) { | |
463 | int valid; | |
464 | ||
465 | if (itv->is_60hz) { | |
466 | valid = i >= 10 && i < 22; | |
467 | } else { | |
468 | valid = i >= 6 && i < 24; | |
469 | } | |
470 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, i - 1, | |
471 | valid, 0 , 0, 0); | |
472 | ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, (i - 1) | 0x80000000, | |
473 | valid, 0, 0, 0); | |
474 | } | |
475 | ||
476 | /* Remaining VBI questions: | |
477 | - Is it possible to select particular VBI lines only for inclusion in the MPEG | |
478 | stream? Currently you can only get the first X lines. | |
479 | - Is mixed raw and sliced VBI possible? | |
480 | - What's the meaning of the raw/sliced flag? | |
481 | - What's the meaning of params 2, 3 & 4 of the Select VBI command? */ | |
482 | } | |
483 | ||
484 | int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) | |
485 | { | |
486 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
487 | struct ivtv *itv = s->itv; | |
488 | int captype = 0, subtype = 0; | |
489 | int enable_passthrough = 0; | |
490 | ||
635d62f0 | 491 | if (s->vdev.v4l2_dev == NULL) |
1a0adaf3 HV |
492 | return -EINVAL; |
493 | ||
494 | IVTV_DEBUG_INFO("Start encoder stream %s\n", s->name); | |
495 | ||
496 | switch (s->type) { | |
497 | case IVTV_ENC_STREAM_TYPE_MPG: | |
498 | captype = 0; | |
499 | subtype = 3; | |
500 | ||
501 | /* Stop Passthrough */ | |
502 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
503 | ivtv_passthrough_mode(itv, 0); | |
504 | enable_passthrough = 1; | |
505 | } | |
506 | itv->mpg_data_received = itv->vbi_data_inserted = 0; | |
507 | itv->dualwatch_jiffies = jiffies; | |
f7b80e69 | 508 | itv->dualwatch_stereo_mode = v4l2_ctrl_g_ctrl(itv->cxhdl.audio_mode); |
1a0adaf3 HV |
509 | itv->search_pack_header = 0; |
510 | break; | |
511 | ||
512 | case IVTV_ENC_STREAM_TYPE_YUV: | |
513 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
514 | captype = 2; | |
515 | subtype = 11; /* video+audio+decoder */ | |
516 | break; | |
517 | } | |
518 | captype = 1; | |
519 | subtype = 1; | |
520 | break; | |
521 | case IVTV_ENC_STREAM_TYPE_PCM: | |
522 | captype = 1; | |
523 | subtype = 2; | |
524 | break; | |
525 | case IVTV_ENC_STREAM_TYPE_VBI: | |
526 | captype = 1; | |
527 | subtype = 4; | |
528 | ||
529 | itv->vbi.frame = 0; | |
530 | itv->vbi.inserted_frame = 0; | |
531 | memset(itv->vbi.sliced_mpeg_size, | |
532 | 0, sizeof(itv->vbi.sliced_mpeg_size)); | |
533 | break; | |
534 | default: | |
535 | return -EINVAL; | |
536 | } | |
537 | s->subtype = subtype; | |
538 | s->buffers_stolen = 0; | |
539 | ||
1a0adaf3 HV |
540 | /* Clear Streamoff flags in case left from last capture */ |
541 | clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); | |
542 | ||
543 | if (atomic_read(&itv->capturing) == 0) { | |
fd8b281a HV |
544 | int digitizer; |
545 | ||
1a0adaf3 HV |
546 | /* Always use frame based mode. Experiments have demonstrated that byte |
547 | stream based mode results in dropped frames and corruption. Not often, | |
548 | but occasionally. Many thanks go to Leonard Orb who spent a lot of | |
549 | effort and time trying to trace the cause of the drop outs. */ | |
550 | /* 1 frame per DMA */ | |
551 | /*ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 128, 0); */ | |
552 | ivtv_vapi(itv, CX2341X_ENC_SET_DMA_BLOCK_SIZE, 2, 1, 1); | |
553 | ||
554 | /* Stuff from Windows, we don't know what it is */ | |
555 | ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1, 0); | |
556 | /* According to the docs, this should be correct. However, this is | |
557 | untested. I don't dare enable this without having tested it. | |
558 | Only very few old cards actually have this hardware combination. | |
559 | ivtv_vapi(itv, CX2341X_ENC_SET_VERT_CROP_LINE, 1, | |
560 | ((itv->hw_flags & IVTV_HW_SAA7114) && itv->is_60hz) ? 10001 : 0); | |
561 | */ | |
562 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 3, !itv->has_cx23415); | |
563 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 8, 0); | |
564 | ivtv_vapi(itv, CX2341X_ENC_MISC, 2, 4, 1); | |
565 | ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12); | |
566 | ||
567 | /* assign placeholder */ | |
568 | ivtv_vapi(itv, CX2341X_ENC_SET_PLACEHOLDER, 12, | |
569 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
570 | ||
fd8b281a HV |
571 | if (itv->card->hw_all & (IVTV_HW_SAA7115 | IVTV_HW_SAA717X)) |
572 | digitizer = 0xF1; | |
573 | else if (itv->card->hw_all & IVTV_HW_SAA7114) | |
574 | digitizer = 0xEF; | |
575 | else /* cx25840 */ | |
576 | digitizer = 0x140; | |
577 | ||
578 | ivtv_vapi(itv, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, digitizer, digitizer); | |
1a0adaf3 HV |
579 | |
580 | /* Setup VBI */ | |
581 | if (itv->v4l2_cap & V4L2_CAP_VBI_CAPTURE) { | |
582 | ivtv_vbi_setup(itv); | |
583 | } | |
584 | ||
585 | /* assign program index info. Mask 7: select I/P/B, Num_req: 400 max */ | |
586 | ivtv_vapi_result(itv, data, CX2341X_ENC_SET_PGM_INDEX_INFO, 2, 7, 400); | |
587 | itv->pgm_info_offset = data[0]; | |
588 | itv->pgm_info_num = data[1]; | |
589 | itv->pgm_info_write_idx = 0; | |
590 | itv->pgm_info_read_idx = 0; | |
591 | ||
592 | IVTV_DEBUG_INFO("PGM Index at 0x%08x with %d elements\n", | |
593 | itv->pgm_info_offset, itv->pgm_info_num); | |
594 | ||
595 | /* Setup API for Stream */ | |
f7b80e69 | 596 | cx2341x_handler_setup(&itv->cxhdl); |
254d6eb1 HV |
597 | |
598 | /* mute if capturing radio */ | |
599 | if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) | |
600 | ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, | |
f7b80e69 | 601 | 1 | (v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute_yuv) << 8)); |
1a0adaf3 HV |
602 | } |
603 | ||
604 | /* Vsync Setup */ | |
605 | if (itv->has_cx23415 && !test_and_set_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) { | |
606 | /* event notification (on) */ | |
607 | ivtv_vapi(itv, CX2341X_ENC_SET_EVENT_NOTIFICATION, 4, 0, 1, IVTV_IRQ_ENC_VIM_RST, -1); | |
608 | ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VIM_RST); | |
609 | } | |
610 | ||
611 | if (atomic_read(&itv->capturing) == 0) { | |
612 | /* Clear all Pending Interrupts */ | |
613 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
614 | ||
615 | clear_bit(IVTV_F_I_EOS, &itv->i_flags); | |
616 | ||
f7b80e69 HV |
617 | cx2341x_handler_set_busy(&itv->cxhdl, 1); |
618 | ||
1a0adaf3 | 619 | /* Initialize Digitizer for Capture */ |
3ccc646b AW |
620 | /* Avoid tinny audio problem - ensure audio clocks are going */ |
621 | v4l2_subdev_call(itv->sd_audio, audio, s_stream, 1); | |
622 | /* Avoid unpredictable PCI bus hang - disable video clocks */ | |
67ec09fd | 623 | v4l2_subdev_call(itv->sd_video, video, s_stream, 0); |
7700a0d2 | 624 | ivtv_msleep_timeout(300, 0); |
1a0adaf3 | 625 | ivtv_vapi(itv, CX2341X_ENC_INITIALIZE_INPUT, 0); |
67ec09fd | 626 | v4l2_subdev_call(itv->sd_video, video, s_stream, 1); |
1a0adaf3 HV |
627 | } |
628 | ||
629 | /* begin_capture */ | |
630 | if (ivtv_vapi(itv, CX2341X_ENC_START_CAPTURE, 2, captype, subtype)) | |
631 | { | |
632 | IVTV_DEBUG_WARN( "Error starting capture!\n"); | |
633 | return -EINVAL; | |
634 | } | |
635 | ||
636 | /* Start Passthrough */ | |
637 | if (enable_passthrough) { | |
638 | ivtv_passthrough_mode(itv, 1); | |
639 | } | |
640 | ||
641 | if (s->type == IVTV_ENC_STREAM_TYPE_VBI) | |
642 | ivtv_clear_irq_mask(itv, IVTV_IRQ_ENC_VBI_CAP); | |
643 | else | |
644 | ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
645 | ||
646 | /* you're live! sit back and await interrupts :) */ | |
647 | atomic_inc(&itv->capturing); | |
648 | return 0; | |
649 | } | |
269c11fb | 650 | EXPORT_SYMBOL(ivtv_start_v4l2_encode_stream); |
1a0adaf3 HV |
651 | |
652 | static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) | |
653 | { | |
654 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
655 | struct ivtv *itv = s->itv; | |
656 | int datatype; | |
bd62307b IA |
657 | u16 width; |
658 | u16 height; | |
1a0adaf3 | 659 | |
635d62f0 | 660 | if (s->vdev.v4l2_dev == NULL) |
1a0adaf3 HV |
661 | return -EINVAL; |
662 | ||
663 | IVTV_DEBUG_INFO("Setting some initial decoder settings\n"); | |
664 | ||
f7b80e69 HV |
665 | width = itv->cxhdl.width; |
666 | height = itv->cxhdl.height; | |
bd62307b | 667 | |
1a0adaf3 HV |
668 | /* set audio mode to left/stereo for dual/stereo mode. */ |
669 | ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); | |
670 | ||
671 | /* set number of internal decoder buffers */ | |
672 | ivtv_vapi(itv, CX2341X_DEC_SET_DISPLAY_BUFFERS, 1, 0); | |
673 | ||
674 | /* prebuffering */ | |
675 | ivtv_vapi(itv, CX2341X_DEC_SET_PREBUFFERING, 1, 1); | |
676 | ||
677 | /* extract from user packets */ | |
678 | ivtv_vapi_result(itv, data, CX2341X_DEC_EXTRACT_VBI, 1, 1); | |
679 | itv->vbi.dec_start = data[0]; | |
680 | ||
681 | IVTV_DEBUG_INFO("Decoder VBI RE-Insert start 0x%08x size 0x%08x\n", | |
682 | itv->vbi.dec_start, data[1]); | |
683 | ||
684 | /* set decoder source settings */ | |
685 | /* Data type: 0 = mpeg from host, | |
686 | 1 = yuv from encoder, | |
687 | 2 = yuv_from_host */ | |
688 | switch (s->type) { | |
689 | case IVTV_DEC_STREAM_TYPE_YUV: | |
bd62307b IA |
690 | if (itv->output_mode == OUT_PASSTHROUGH) { |
691 | datatype = 1; | |
692 | } else { | |
693 | /* Fake size to avoid switching video standard */ | |
694 | datatype = 2; | |
695 | width = 720; | |
696 | height = itv->is_out_50hz ? 576 : 480; | |
697 | } | |
1a0adaf3 HV |
698 | IVTV_DEBUG_INFO("Setup DEC YUV Stream data[0] = %d\n", datatype); |
699 | break; | |
700 | case IVTV_DEC_STREAM_TYPE_MPG: | |
701 | default: | |
702 | datatype = 0; | |
703 | break; | |
704 | } | |
705 | if (ivtv_vapi(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, datatype, | |
f7b80e69 | 706 | width, height, itv->cxhdl.audio_properties)) { |
5a338c38 | 707 | IVTV_DEBUG_WARN("Couldn't initialize decoder source\n"); |
1a0adaf3 | 708 | } |
666092c6 IA |
709 | |
710 | /* Decoder sometimes dies here, so wait a moment */ | |
711 | ivtv_msleep_timeout(10, 0); | |
712 | ||
914610e8 | 713 | /* Known failure point for firmware, so check */ |
215659d1 | 714 | return ivtv_firmware_check(itv, "ivtv_setup_v4l2_decode_stream"); |
1a0adaf3 HV |
715 | } |
716 | ||
717 | int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset) | |
718 | { | |
719 | struct ivtv *itv = s->itv; | |
914610e8 | 720 | int rc; |
1a0adaf3 | 721 | |
635d62f0 | 722 | if (s->vdev.v4l2_dev == NULL) |
1a0adaf3 HV |
723 | return -EINVAL; |
724 | ||
725 | if (test_and_set_bit(IVTV_F_S_STREAMING, &s->s_flags)) | |
726 | return 0; /* already started */ | |
727 | ||
728 | IVTV_DEBUG_INFO("Starting decode stream %s (gop_offset %d)\n", s->name, gop_offset); | |
729 | ||
914610e8 IA |
730 | rc = ivtv_setup_v4l2_decode_stream(s); |
731 | if (rc < 0) { | |
732 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
733 | return rc; | |
734 | } | |
1a0adaf3 HV |
735 | |
736 | /* set dma size to 65536 bytes */ | |
737 | ivtv_vapi(itv, CX2341X_DEC_SET_DMA_BLOCK_SIZE, 1, 65536); | |
738 | ||
77aded6b | 739 | /* Clear Streamoff */ |
1a0adaf3 HV |
740 | clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); |
741 | ||
742 | /* Zero out decoder counters */ | |
33c0fcad HV |
743 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[0]); |
744 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[1]); | |
745 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[2]); | |
746 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA_END].data[3]); | |
1a0adaf3 HV |
747 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[0]); |
748 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[1]); | |
749 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[2]); | |
750 | writel(0, &itv->dec_mbox.mbox[IVTV_MBOX_DMA].data[3]); | |
751 | ||
752 | /* turn on notification of dual/stereo mode change */ | |
753 | ivtv_vapi(itv, CX2341X_DEC_SET_EVENT_NOTIFICATION, 4, 0, 1, IVTV_IRQ_DEC_AUD_MODE_CHG, -1); | |
754 | ||
755 | /* start playback */ | |
756 | ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, gop_offset, 0); | |
757 | ||
666092c6 IA |
758 | /* Let things settle before we actually start */ |
759 | ivtv_msleep_timeout(10, 0); | |
760 | ||
1a0adaf3 HV |
761 | /* Clear the following Interrupt mask bits for decoding */ |
762 | ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_DECODE); | |
763 | IVTV_DEBUG_IRQ("IRQ Mask is now: 0x%08x\n", itv->irqmask); | |
764 | ||
765 | /* you're live! sit back and await interrupts :) */ | |
766 | atomic_inc(&itv->decoding); | |
767 | return 0; | |
768 | } | |
769 | ||
770 | void ivtv_stop_all_captures(struct ivtv *itv) | |
771 | { | |
772 | int i; | |
773 | ||
774 | for (i = IVTV_MAX_STREAMS - 1; i >= 0; i--) { | |
775 | struct ivtv_stream *s = &itv->streams[i]; | |
776 | ||
635d62f0 | 777 | if (s->vdev.v4l2_dev == NULL) |
1a0adaf3 HV |
778 | continue; |
779 | if (test_bit(IVTV_F_S_STREAMING, &s->s_flags)) { | |
780 | ivtv_stop_v4l2_encode_stream(s, 0); | |
781 | } | |
782 | } | |
783 | } | |
784 | ||
785 | int ivtv_stop_v4l2_encode_stream(struct ivtv_stream *s, int gop_end) | |
786 | { | |
787 | struct ivtv *itv = s->itv; | |
788 | DECLARE_WAITQUEUE(wait, current); | |
789 | int cap_type; | |
1a0adaf3 | 790 | int stopmode; |
1a0adaf3 | 791 | |
635d62f0 | 792 | if (s->vdev.v4l2_dev == NULL) |
1a0adaf3 HV |
793 | return -EINVAL; |
794 | ||
795 | /* This function assumes that you are allowed to stop the capture | |
796 | and that we are actually capturing */ | |
797 | ||
798 | IVTV_DEBUG_INFO("Stop Capture\n"); | |
799 | ||
800 | if (s->type == IVTV_DEC_STREAM_TYPE_VOUT) | |
801 | return 0; | |
802 | if (atomic_read(&itv->capturing) == 0) | |
803 | return 0; | |
804 | ||
805 | switch (s->type) { | |
806 | case IVTV_ENC_STREAM_TYPE_YUV: | |
807 | cap_type = 1; | |
808 | break; | |
809 | case IVTV_ENC_STREAM_TYPE_PCM: | |
810 | cap_type = 1; | |
811 | break; | |
812 | case IVTV_ENC_STREAM_TYPE_VBI: | |
813 | cap_type = 1; | |
814 | break; | |
815 | case IVTV_ENC_STREAM_TYPE_MPG: | |
816 | default: | |
817 | cap_type = 0; | |
818 | break; | |
819 | } | |
820 | ||
821 | /* Stop Capture Mode */ | |
822 | if (s->type == IVTV_ENC_STREAM_TYPE_MPG && gop_end) { | |
823 | stopmode = 0; | |
824 | } else { | |
825 | stopmode = 1; | |
826 | } | |
827 | ||
828 | /* end_capture */ | |
829 | /* when: 0 = end of GOP 1 = NOW!, type: 0 = mpeg, subtype: 3 = video+audio */ | |
830 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, stopmode, cap_type, s->subtype); | |
831 | ||
1a0adaf3 HV |
832 | if (!test_bit(IVTV_F_S_PASSTHROUGH, &s->s_flags)) { |
833 | if (s->type == IVTV_ENC_STREAM_TYPE_MPG && gop_end) { | |
834 | /* only run these if we're shutting down the last cap */ | |
835 | unsigned long duration; | |
559e196a | 836 | unsigned long then = jiffies; |
1a0adaf3 | 837 | |
fd8b281a | 838 | add_wait_queue(&itv->eos_waitq, &wait); |
1a0adaf3 HV |
839 | |
840 | set_current_state(TASK_INTERRUPTIBLE); | |
841 | ||
842 | /* wait 2s for EOS interrupt */ | |
201700d3 | 843 | while (!test_bit(IVTV_F_I_EOS, &itv->i_flags) && |
168c626c JL |
844 | time_before(jiffies, |
845 | then + msecs_to_jiffies(2000))) { | |
201700d3 | 846 | schedule_timeout(msecs_to_jiffies(10)); |
1a0adaf3 HV |
847 | } |
848 | ||
849 | /* To convert jiffies to ms, we must multiply by 1000 | |
850 | * and divide by HZ. To avoid runtime division, we | |
851 | * convert this to multiplication by 1000/HZ. | |
852 | * Since integer division truncates, we get the best | |
853 | * accuracy if we do a rounding calculation of the constant. | |
854 | * Think of the case where HZ is 1024. | |
855 | */ | |
856 | duration = ((1000 + HZ / 2) / HZ) * (jiffies - then); | |
857 | ||
858 | if (!test_bit(IVTV_F_I_EOS, &itv->i_flags)) { | |
859 | IVTV_DEBUG_WARN("%s: EOS interrupt not received! stopping anyway.\n", s->name); | |
860 | IVTV_DEBUG_WARN("%s: waited %lu ms.\n", s->name, duration); | |
861 | } else { | |
862 | IVTV_DEBUG_INFO("%s: EOS took %lu ms to occur.\n", s->name, duration); | |
863 | } | |
864 | set_current_state(TASK_RUNNING); | |
fd8b281a | 865 | remove_wait_queue(&itv->eos_waitq, &wait); |
559e196a | 866 | set_bit(IVTV_F_S_STREAMOFF, &s->s_flags); |
1a0adaf3 HV |
867 | } |
868 | ||
3562c43b | 869 | /* Handle any pending interrupts */ |
7700a0d2 | 870 | ivtv_msleep_timeout(100, 0); |
1a0adaf3 HV |
871 | } |
872 | ||
873 | atomic_dec(&itv->capturing); | |
874 | ||
875 | /* Clear capture and no-read bits */ | |
876 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
877 | ||
878 | if (s->type == IVTV_ENC_STREAM_TYPE_VBI) | |
879 | ivtv_set_irq_mask(itv, IVTV_IRQ_ENC_VBI_CAP); | |
880 | ||
881 | if (atomic_read(&itv->capturing) > 0) { | |
882 | return 0; | |
883 | } | |
884 | ||
f7b80e69 HV |
885 | cx2341x_handler_set_busy(&itv->cxhdl, 0); |
886 | ||
1a0adaf3 HV |
887 | /* Set the following Interrupt mask bits for capture */ |
888 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); | |
e17a06ba | 889 | del_timer(&itv->dma_timer); |
1a0adaf3 | 890 | |
f8859691 HV |
891 | /* event notification (off) */ |
892 | if (test_and_clear_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) { | |
893 | /* type: 0 = refresh */ | |
894 | /* on/off: 0 = off, intr: 0x10000000, mbox_id: -1: none */ | |
895 | ivtv_vapi(itv, CX2341X_ENC_SET_EVENT_NOTIFICATION, 4, 0, 0, IVTV_IRQ_ENC_VIM_RST, -1); | |
896 | ivtv_set_irq_mask(itv, IVTV_IRQ_ENC_VIM_RST); | |
897 | } | |
898 | ||
9a766d55 IA |
899 | /* Raw-passthrough is implied on start. Make sure it's stopped so |
900 | the encoder will re-initialize when next started */ | |
901 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, 1, 2, 7); | |
902 | ||
1a0adaf3 HV |
903 | wake_up(&s->waitq); |
904 | ||
905 | return 0; | |
906 | } | |
269c11fb | 907 | EXPORT_SYMBOL(ivtv_stop_v4l2_encode_stream); |
1a0adaf3 HV |
908 | |
909 | int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts) | |
910 | { | |
09250193 HV |
911 | static const struct v4l2_event ev = { |
912 | .type = V4L2_EVENT_EOS, | |
913 | }; | |
1a0adaf3 HV |
914 | struct ivtv *itv = s->itv; |
915 | ||
635d62f0 | 916 | if (s->vdev.v4l2_dev == NULL) |
1a0adaf3 HV |
917 | return -EINVAL; |
918 | ||
919 | if (s->type != IVTV_DEC_STREAM_TYPE_YUV && s->type != IVTV_DEC_STREAM_TYPE_MPG) | |
920 | return -EINVAL; | |
921 | ||
922 | if (!test_bit(IVTV_F_S_STREAMING, &s->s_flags)) | |
923 | return 0; | |
924 | ||
c4385098 | 925 | IVTV_DEBUG_INFO("Stop Decode at %llu, flags: %x\n", (unsigned long long)pts, flags); |
1a0adaf3 HV |
926 | |
927 | /* Stop Decoder */ | |
da8ec560 | 928 | if (!(flags & V4L2_DEC_CMD_STOP_IMMEDIATELY) || pts) { |
1a0adaf3 HV |
929 | u32 tmp = 0; |
930 | ||
931 | /* Wait until the decoder is no longer running */ | |
932 | if (pts) { | |
933 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, | |
934 | 0, (u32)(pts & 0xffffffff), (u32)(pts >> 32)); | |
935 | } | |
936 | while (1) { | |
937 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
938 | ivtv_vapi_result(itv, data, CX2341X_DEC_GET_XFER_INFO, 0); | |
939 | if (s->q_full.buffers + s->q_dma.buffers == 0) { | |
940 | if (tmp == data[3]) | |
941 | break; | |
942 | tmp = data[3]; | |
943 | } | |
201700d3 | 944 | if (ivtv_msleep_timeout(100, 1)) |
1a0adaf3 HV |
945 | break; |
946 | } | |
947 | } | |
da8ec560 | 948 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, flags & V4L2_DEC_CMD_STOP_TO_BLACK, 0, 0); |
1a0adaf3 HV |
949 | |
950 | /* turn off notification of dual/stereo mode change */ | |
951 | ivtv_vapi(itv, CX2341X_DEC_SET_EVENT_NOTIFICATION, 4, 0, 0, IVTV_IRQ_DEC_AUD_MODE_CHG, -1); | |
952 | ||
953 | ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_DECODE); | |
e17a06ba | 954 | del_timer(&itv->dma_timer); |
1a0adaf3 HV |
955 | |
956 | clear_bit(IVTV_F_S_NEEDS_DATA, &s->s_flags); | |
957 | clear_bit(IVTV_F_S_STREAMING, &s->s_flags); | |
958 | ivtv_flush_queues(s); | |
959 | ||
f06b9bd4 IA |
960 | /* decoder needs time to settle */ |
961 | ivtv_msleep_timeout(40, 0); | |
962 | ||
1a0adaf3 HV |
963 | /* decrement decoding */ |
964 | atomic_dec(&itv->decoding); | |
965 | ||
966 | set_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags); | |
967 | wake_up(&itv->event_waitq); | |
635d62f0 | 968 | v4l2_event_queue(&s->vdev, &ev); |
1a0adaf3 HV |
969 | |
970 | /* wake up wait queues */ | |
971 | wake_up(&s->waitq); | |
972 | ||
973 | return 0; | |
974 | } | |
975 | ||
976 | int ivtv_passthrough_mode(struct ivtv *itv, int enable) | |
977 | { | |
978 | struct ivtv_stream *yuv_stream = &itv->streams[IVTV_ENC_STREAM_TYPE_YUV]; | |
979 | struct ivtv_stream *dec_stream = &itv->streams[IVTV_DEC_STREAM_TYPE_YUV]; | |
980 | ||
635d62f0 | 981 | if (yuv_stream->vdev.v4l2_dev == NULL || dec_stream->vdev.v4l2_dev == NULL) |
1a0adaf3 HV |
982 | return -EINVAL; |
983 | ||
984 | IVTV_DEBUG_INFO("ivtv ioctl: Select passthrough mode\n"); | |
985 | ||
986 | /* Prevent others from starting/stopping streams while we | |
987 | initiate/terminate passthrough mode */ | |
988 | if (enable) { | |
989 | if (itv->output_mode == OUT_PASSTHROUGH) { | |
990 | return 0; | |
991 | } | |
992 | if (ivtv_set_output_mode(itv, OUT_PASSTHROUGH) != OUT_PASSTHROUGH) | |
993 | return -EBUSY; | |
994 | ||
995 | /* Fully initialize stream, and then unflag init */ | |
996 | set_bit(IVTV_F_S_PASSTHROUGH, &dec_stream->s_flags); | |
997 | set_bit(IVTV_F_S_STREAMING, &dec_stream->s_flags); | |
998 | ||
999 | /* Setup YUV Decoder */ | |
1000 | ivtv_setup_v4l2_decode_stream(dec_stream); | |
1001 | ||
1002 | /* Start Decoder */ | |
1003 | ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 1); | |
1004 | atomic_inc(&itv->decoding); | |
1005 | ||
1006 | /* Setup capture if not already done */ | |
1007 | if (atomic_read(&itv->capturing) == 0) { | |
f7b80e69 HV |
1008 | cx2341x_handler_setup(&itv->cxhdl); |
1009 | cx2341x_handler_set_busy(&itv->cxhdl, 1); | |
1a0adaf3 HV |
1010 | } |
1011 | ||
1012 | /* Start Passthrough Mode */ | |
1013 | ivtv_vapi(itv, CX2341X_ENC_START_CAPTURE, 2, 2, 11); | |
1014 | atomic_inc(&itv->capturing); | |
1015 | return 0; | |
1016 | } | |
1017 | ||
1018 | if (itv->output_mode != OUT_PASSTHROUGH) | |
1019 | return 0; | |
1020 | ||
1021 | /* Stop Passthrough Mode */ | |
1022 | ivtv_vapi(itv, CX2341X_ENC_STOP_CAPTURE, 3, 1, 2, 11); | |
1023 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 3, 1, 0, 0); | |
1024 | ||
1025 | atomic_dec(&itv->capturing); | |
1026 | atomic_dec(&itv->decoding); | |
1027 | clear_bit(IVTV_F_S_PASSTHROUGH, &dec_stream->s_flags); | |
1028 | clear_bit(IVTV_F_S_STREAMING, &dec_stream->s_flags); | |
1029 | itv->output_mode = OUT_NONE; | |
f7b80e69 HV |
1030 | if (atomic_read(&itv->capturing) == 0) |
1031 | cx2341x_handler_set_busy(&itv->cxhdl, 0); | |
1a0adaf3 HV |
1032 | |
1033 | return 0; | |
1034 | } |