Commit | Line | Data |
---|---|---|
1c1e45d1 HV |
1 | /* |
2 | * cx18 init/start/stop/exit stream functions | |
3 | * | |
4 | * Derived from ivtv-streams.c | |
5 | * | |
6 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> | |
1ed9dcc8 | 7 | * Copyright (C) 2008 Andy Walls <awalls@radix.net> |
1c1e45d1 HV |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
22 | * 02111-1307 USA | |
23 | */ | |
24 | ||
25 | #include "cx18-driver.h" | |
b1526421 | 26 | #include "cx18-io.h" |
1c1e45d1 HV |
27 | #include "cx18-fileops.h" |
28 | #include "cx18-mailbox.h" | |
29 | #include "cx18-i2c.h" | |
30 | #include "cx18-queue.h" | |
31 | #include "cx18-ioctl.h" | |
32 | #include "cx18-streams.h" | |
33 | #include "cx18-cards.h" | |
34 | #include "cx18-scb.h" | |
1c1e45d1 HV |
35 | #include "cx18-dvb.h" |
36 | ||
37 | #define CX18_DSP0_INTERRUPT_MASK 0xd0004C | |
38 | ||
bec43661 | 39 | static struct v4l2_file_operations cx18_v4l2_enc_fops = { |
daf20d95 HV |
40 | .owner = THIS_MODULE, |
41 | .read = cx18_v4l2_read, | |
42 | .open = cx18_v4l2_open, | |
3b6fe58f | 43 | /* FIXME change to video_ioctl2 if serialization lock can be removed */ |
daf20d95 | 44 | .ioctl = cx18_v4l2_ioctl, |
daf20d95 HV |
45 | .release = cx18_v4l2_close, |
46 | .poll = cx18_v4l2_enc_poll, | |
1c1e45d1 HV |
47 | }; |
48 | ||
49 | /* offset from 0 to register ts v4l2 minors on */ | |
50 | #define CX18_V4L2_ENC_TS_OFFSET 16 | |
51 | /* offset from 0 to register pcm v4l2 minors on */ | |
52 | #define CX18_V4L2_ENC_PCM_OFFSET 24 | |
53 | /* offset from 0 to register yuv v4l2 minors on */ | |
54 | #define CX18_V4L2_ENC_YUV_OFFSET 32 | |
55 | ||
56 | static struct { | |
57 | const char *name; | |
58 | int vfl_type; | |
dd89601d | 59 | int num_offset; |
1c1e45d1 HV |
60 | int dma; |
61 | enum v4l2_buf_type buf_type; | |
1c1e45d1 HV |
62 | } cx18_stream_info[] = { |
63 | { /* CX18_ENC_STREAM_TYPE_MPG */ | |
64 | "encoder MPEG", | |
65 | VFL_TYPE_GRABBER, 0, | |
66 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
1c1e45d1 HV |
67 | }, |
68 | { /* CX18_ENC_STREAM_TYPE_TS */ | |
69 | "TS", | |
70 | VFL_TYPE_GRABBER, -1, | |
71 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
1c1e45d1 HV |
72 | }, |
73 | { /* CX18_ENC_STREAM_TYPE_YUV */ | |
74 | "encoder YUV", | |
75 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_YUV_OFFSET, | |
76 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
1c1e45d1 HV |
77 | }, |
78 | { /* CX18_ENC_STREAM_TYPE_VBI */ | |
79 | "encoder VBI", | |
80 | VFL_TYPE_VBI, 0, | |
81 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VBI_CAPTURE, | |
1c1e45d1 HV |
82 | }, |
83 | { /* CX18_ENC_STREAM_TYPE_PCM */ | |
84 | "encoder PCM audio", | |
85 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_PCM_OFFSET, | |
86 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_PRIVATE, | |
1c1e45d1 HV |
87 | }, |
88 | { /* CX18_ENC_STREAM_TYPE_IDX */ | |
89 | "encoder IDX", | |
90 | VFL_TYPE_GRABBER, -1, | |
91 | PCI_DMA_FROMDEVICE, V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
1c1e45d1 HV |
92 | }, |
93 | { /* CX18_ENC_STREAM_TYPE_RAD */ | |
94 | "encoder radio", | |
95 | VFL_TYPE_RADIO, 0, | |
96 | PCI_DMA_NONE, V4L2_BUF_TYPE_PRIVATE, | |
1c1e45d1 HV |
97 | }, |
98 | }; | |
99 | ||
100 | static void cx18_stream_init(struct cx18 *cx, int type) | |
101 | { | |
102 | struct cx18_stream *s = &cx->streams[type]; | |
3d05913d | 103 | struct video_device *video_dev = s->video_dev; |
1c1e45d1 | 104 | |
3d05913d | 105 | /* we need to keep video_dev, so restore it afterwards */ |
1c1e45d1 | 106 | memset(s, 0, sizeof(*s)); |
3d05913d | 107 | s->video_dev = video_dev; |
1c1e45d1 HV |
108 | |
109 | /* initialize cx18_stream fields */ | |
110 | s->cx = cx; | |
111 | s->type = type; | |
112 | s->name = cx18_stream_info[type].name; | |
d3c5e707 | 113 | s->handle = CX18_INVALID_TASK_HANDLE; |
1c1e45d1 HV |
114 | |
115 | s->dma = cx18_stream_info[type].dma; | |
6ecd86dc | 116 | s->buffers = cx->stream_buffers[type]; |
1c1e45d1 | 117 | s->buf_size = cx->stream_buf_size[type]; |
6ecd86dc | 118 | |
f576ceef | 119 | mutex_init(&s->qlock); |
1c1e45d1 HV |
120 | init_waitqueue_head(&s->waitq); |
121 | s->id = -1; | |
122 | cx18_queue_init(&s->q_free); | |
66c2a6b0 | 123 | cx18_queue_init(&s->q_busy); |
1c1e45d1 | 124 | cx18_queue_init(&s->q_full); |
1c1e45d1 HV |
125 | } |
126 | ||
127 | static int cx18_prep_dev(struct cx18 *cx, int type) | |
128 | { | |
129 | struct cx18_stream *s = &cx->streams[type]; | |
130 | u32 cap = cx->v4l2_cap; | |
dd89601d | 131 | int num_offset = cx18_stream_info[type].num_offset; |
5811cf99 | 132 | int num = cx->instance + cx18_first_minor + num_offset; |
1c1e45d1 | 133 | |
3d05913d | 134 | /* These four fields are always initialized. If video_dev == NULL, then |
1c1e45d1 HV |
135 | this stream is not in use. In that case no other fields but these |
136 | four can be used. */ | |
3d05913d | 137 | s->video_dev = NULL; |
1c1e45d1 HV |
138 | s->cx = cx; |
139 | s->type = type; | |
140 | s->name = cx18_stream_info[type].name; | |
141 | ||
142 | /* Check whether the radio is supported */ | |
143 | if (type == CX18_ENC_STREAM_TYPE_RAD && !(cap & V4L2_CAP_RADIO)) | |
144 | return 0; | |
145 | ||
146 | /* Check whether VBI is supported */ | |
147 | if (type == CX18_ENC_STREAM_TYPE_VBI && | |
148 | !(cap & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE))) | |
149 | return 0; | |
150 | ||
1c1e45d1 HV |
151 | /* User explicitly selected 0 buffers for these streams, so don't |
152 | create them. */ | |
153 | if (cx18_stream_info[type].dma != PCI_DMA_NONE && | |
6ecd86dc | 154 | cx->stream_buffers[type] == 0) { |
1c1e45d1 HV |
155 | CX18_INFO("Disabled %s device\n", cx18_stream_info[type].name); |
156 | return 0; | |
157 | } | |
158 | ||
159 | cx18_stream_init(cx, type); | |
160 | ||
dd89601d | 161 | if (num_offset == -1) |
1c1e45d1 HV |
162 | return 0; |
163 | ||
164 | /* allocate and initialize the v4l2 video device structure */ | |
3d05913d AW |
165 | s->video_dev = video_device_alloc(); |
166 | if (s->video_dev == NULL) { | |
1c1e45d1 HV |
167 | CX18_ERR("Couldn't allocate v4l2 video_device for %s\n", |
168 | s->name); | |
169 | return -ENOMEM; | |
170 | } | |
171 | ||
5811cf99 AW |
172 | snprintf(s->video_dev->name, sizeof(s->video_dev->name), "%s %s", |
173 | cx->v4l2_dev.name, s->name); | |
1c1e45d1 | 174 | |
3d05913d | 175 | s->video_dev->num = num; |
5811cf99 | 176 | s->video_dev->v4l2_dev = &cx->v4l2_dev; |
3d05913d AW |
177 | s->video_dev->fops = &cx18_v4l2_enc_fops; |
178 | s->video_dev->release = video_device_release; | |
179 | s->video_dev->tvnorms = V4L2_STD_ALL; | |
180 | cx18_set_funcs(s->video_dev); | |
1c1e45d1 HV |
181 | return 0; |
182 | } | |
183 | ||
184 | /* Initialize v4l2 variables and register v4l2 devices */ | |
185 | int cx18_streams_setup(struct cx18 *cx) | |
186 | { | |
9b4a7c8a | 187 | int type, ret; |
1c1e45d1 HV |
188 | |
189 | /* Setup V4L2 Devices */ | |
190 | for (type = 0; type < CX18_MAX_STREAMS; type++) { | |
191 | /* Prepare device */ | |
9b4a7c8a AW |
192 | ret = cx18_prep_dev(cx, type); |
193 | if (ret < 0) | |
1c1e45d1 HV |
194 | break; |
195 | ||
196 | /* Allocate Stream */ | |
9b4a7c8a AW |
197 | ret = cx18_stream_alloc(&cx->streams[type]); |
198 | if (ret < 0) | |
1c1e45d1 HV |
199 | break; |
200 | } | |
201 | if (type == CX18_MAX_STREAMS) | |
202 | return 0; | |
203 | ||
204 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 205 | cx18_streams_cleanup(cx, 0); |
9b4a7c8a | 206 | return ret; |
1c1e45d1 HV |
207 | } |
208 | ||
209 | static int cx18_reg_dev(struct cx18 *cx, int type) | |
210 | { | |
211 | struct cx18_stream *s = &cx->streams[type]; | |
212 | int vfl_type = cx18_stream_info[type].vfl_type; | |
9b4a7c8a | 213 | int num, ret; |
1c1e45d1 HV |
214 | |
215 | /* TODO: Shouldn't this be a VFL_TYPE_TRANSPORT or something? | |
216 | * We need a VFL_TYPE_TS defined. | |
217 | */ | |
218 | if (strcmp("TS", s->name) == 0) { | |
219 | /* just return if no DVB is supported */ | |
220 | if ((cx->card->hw_all & CX18_HW_DVB) == 0) | |
221 | return 0; | |
9b4a7c8a AW |
222 | ret = cx18_dvb_register(s); |
223 | if (ret < 0) { | |
1c1e45d1 | 224 | CX18_ERR("DVB failed to register\n"); |
9b4a7c8a | 225 | return ret; |
1c1e45d1 HV |
226 | } |
227 | } | |
228 | ||
3d05913d | 229 | if (s->video_dev == NULL) |
1c1e45d1 HV |
230 | return 0; |
231 | ||
3d05913d | 232 | num = s->video_dev->num; |
dd89601d HV |
233 | /* card number + user defined offset + device offset */ |
234 | if (type != CX18_ENC_STREAM_TYPE_MPG) { | |
235 | struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; | |
236 | ||
3d05913d AW |
237 | if (s_mpg->video_dev) |
238 | num = s_mpg->video_dev->num | |
239 | + cx18_stream_info[type].num_offset; | |
dd89601d | 240 | } |
5811cf99 | 241 | video_set_drvdata(s->video_dev, s); |
1c1e45d1 HV |
242 | |
243 | /* Register device. First try the desired minor, then any free one. */ | |
3d05913d | 244 | ret = video_register_device(s->video_dev, vfl_type, num); |
9b4a7c8a | 245 | if (ret < 0) { |
dd89601d HV |
246 | CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n", |
247 | s->name, num); | |
3d05913d AW |
248 | video_device_release(s->video_dev); |
249 | s->video_dev = NULL; | |
9b4a7c8a | 250 | return ret; |
1c1e45d1 | 251 | } |
3d05913d | 252 | num = s->video_dev->num; |
1c1e45d1 HV |
253 | |
254 | switch (vfl_type) { | |
255 | case VFL_TYPE_GRABBER: | |
6ecd86dc AW |
256 | CX18_INFO("Registered device video%d for %s (%d x %d kB)\n", |
257 | num, s->name, cx->stream_buffers[type], | |
258 | cx->stream_buf_size[type]/1024); | |
1c1e45d1 HV |
259 | break; |
260 | ||
261 | case VFL_TYPE_RADIO: | |
262 | CX18_INFO("Registered device radio%d for %s\n", | |
dd89601d | 263 | num, s->name); |
1c1e45d1 HV |
264 | break; |
265 | ||
266 | case VFL_TYPE_VBI: | |
6ecd86dc AW |
267 | if (cx->stream_buffers[type]) |
268 | CX18_INFO("Registered device vbi%d for %s " | |
269 | "(%d x %d bytes)\n", | |
270 | num, s->name, cx->stream_buffers[type], | |
271 | cx->stream_buf_size[type]); | |
1c1e45d1 HV |
272 | else |
273 | CX18_INFO("Registered device vbi%d for %s\n", | |
dd89601d | 274 | num, s->name); |
1c1e45d1 HV |
275 | break; |
276 | } | |
277 | ||
278 | return 0; | |
279 | } | |
280 | ||
281 | /* Register v4l2 devices */ | |
282 | int cx18_streams_register(struct cx18 *cx) | |
283 | { | |
284 | int type; | |
9b4a7c8a AW |
285 | int err; |
286 | int ret = 0; | |
1c1e45d1 HV |
287 | |
288 | /* Register V4L2 devices */ | |
9b4a7c8a AW |
289 | for (type = 0; type < CX18_MAX_STREAMS; type++) { |
290 | err = cx18_reg_dev(cx, type); | |
291 | if (err && ret == 0) | |
292 | ret = err; | |
293 | } | |
1c1e45d1 | 294 | |
9b4a7c8a | 295 | if (ret == 0) |
1c1e45d1 HV |
296 | return 0; |
297 | ||
298 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 299 | cx18_streams_cleanup(cx, 1); |
9b4a7c8a | 300 | return ret; |
1c1e45d1 HV |
301 | } |
302 | ||
303 | /* Unregister v4l2 devices */ | |
3f98387e | 304 | void cx18_streams_cleanup(struct cx18 *cx, int unregister) |
1c1e45d1 HV |
305 | { |
306 | struct video_device *vdev; | |
307 | int type; | |
308 | ||
309 | /* Teardown all streams */ | |
310 | for (type = 0; type < CX18_MAX_STREAMS; type++) { | |
fac3639d | 311 | if (cx->streams[type].dvb.enabled) { |
1c1e45d1 | 312 | cx18_dvb_unregister(&cx->streams[type]); |
fac3639d HV |
313 | cx->streams[type].dvb.enabled = false; |
314 | } | |
1c1e45d1 | 315 | |
3d05913d | 316 | vdev = cx->streams[type].video_dev; |
1c1e45d1 | 317 | |
3d05913d | 318 | cx->streams[type].video_dev = NULL; |
1c1e45d1 HV |
319 | if (vdev == NULL) |
320 | continue; | |
321 | ||
322 | cx18_stream_free(&cx->streams[type]); | |
323 | ||
3f98387e HV |
324 | /* Unregister or release device */ |
325 | if (unregister) | |
326 | video_unregister_device(vdev); | |
327 | else | |
328 | video_device_release(vdev); | |
1c1e45d1 HV |
329 | } |
330 | } | |
331 | ||
332 | static void cx18_vbi_setup(struct cx18_stream *s) | |
333 | { | |
334 | struct cx18 *cx = s->cx; | |
dd073434 | 335 | int raw = cx18_raw_vbi(cx); |
1c1e45d1 HV |
336 | u32 data[CX2341X_MBOX_MAX_DATA]; |
337 | int lines; | |
338 | ||
339 | if (cx->is_60hz) { | |
340 | cx->vbi.count = 12; | |
341 | cx->vbi.start[0] = 10; | |
342 | cx->vbi.start[1] = 273; | |
343 | } else { /* PAL/SECAM */ | |
344 | cx->vbi.count = 18; | |
345 | cx->vbi.start[0] = 6; | |
346 | cx->vbi.start[1] = 318; | |
347 | } | |
348 | ||
349 | /* setup VBI registers */ | |
fa3e7036 | 350 | v4l2_subdev_call(cx->sd_av, video, s_fmt, &cx->vbi.in); |
1c1e45d1 | 351 | |
dcc0ef88 AW |
352 | /* |
353 | * Send the CX18_CPU_SET_RAW_VBI_PARAM API command to setup Encoder Raw | |
354 | * VBI when the first analog capture channel starts, as once it starts | |
355 | * (e.g. MPEG), we can't effect any change in the Encoder Raw VBI setup | |
356 | * (i.e. for the VBI capture channels). We also send it for each | |
357 | * analog capture channel anyway just to make sure we get the proper | |
358 | * behavior | |
359 | */ | |
1c1e45d1 HV |
360 | if (raw) { |
361 | lines = cx->vbi.count * 2; | |
362 | } else { | |
812b1f9d AW |
363 | /* |
364 | * For 525/60 systems, according to the VIP 2 & BT.656 std: | |
365 | * The EAV RP code's Field bit toggles on line 4, a few lines | |
366 | * after the Vertcal Blank bit has already toggled. | |
367 | * Tell the encoder to capture 21-4+1=18 lines per field, | |
368 | * since we want lines 10 through 21. | |
369 | * | |
370 | * FIXME - revisit for 625/50 systems | |
371 | */ | |
372 | lines = cx->is_60hz ? (21 - 4 + 1) * 2 : 38; | |
1c1e45d1 HV |
373 | } |
374 | ||
1c1e45d1 HV |
375 | data[0] = s->handle; |
376 | /* Lines per field */ | |
377 | data[1] = (lines / 2) | ((lines / 2) << 16); | |
378 | /* bytes per line */ | |
302df970 AW |
379 | data[2] = (raw ? vbi_active_samples |
380 | : (cx->is_60hz ? vbi_hblank_samples_60Hz | |
381 | : vbi_hblank_samples_50Hz)); | |
1c1e45d1 HV |
382 | /* Every X number of frames a VBI interrupt arrives |
383 | (frames as in 25 or 30 fps) */ | |
384 | data[3] = 1; | |
302df970 AW |
385 | /* |
386 | * Set the SAV/EAV RP codes to look for as start/stop points | |
387 | * when in VIP-1.1 mode | |
388 | */ | |
1c1e45d1 | 389 | if (raw) { |
302df970 AW |
390 | /* |
391 | * Start codes for beginning of "active" line in vertical blank | |
392 | * 0x20 ( VerticalBlank ) | |
393 | * 0x60 ( EvenField VerticalBlank ) | |
394 | */ | |
1c1e45d1 | 395 | data[4] = 0x20602060; |
302df970 AW |
396 | /* |
397 | * End codes for end of "active" raw lines and regular lines | |
398 | * 0x30 ( VerticalBlank HorizontalBlank) | |
399 | * 0x70 ( EvenField VerticalBlank HorizontalBlank) | |
400 | * 0x90 (Task HorizontalBlank) | |
401 | * 0xd0 (Task EvenField HorizontalBlank) | |
402 | */ | |
af009cf6 | 403 | data[5] = 0x307090d0; |
1c1e45d1 | 404 | } else { |
302df970 AW |
405 | /* |
406 | * End codes for active video, we want data in the hblank region | |
407 | * 0xb0 (Task 0 VerticalBlank HorizontalBlank) | |
408 | * 0xf0 (Task EvenField VerticalBlank HorizontalBlank) | |
409 | * | |
410 | * Since the V bit is only allowed to toggle in the EAV RP code, | |
411 | * just before the first active region line, these two | |
812b1f9d | 412 | * are problematic: |
302df970 AW |
413 | * 0x90 (Task HorizontalBlank) |
414 | * 0xd0 (Task EvenField HorizontalBlank) | |
812b1f9d | 415 | * |
af7c58b1 AW |
416 | * We have set the digitzer such that we don't have to worry |
417 | * about these problem codes. | |
302df970 | 418 | */ |
1c1e45d1 | 419 | data[4] = 0xB0F0B0F0; |
302df970 AW |
420 | /* |
421 | * Start codes for beginning of active line in vertical blank | |
422 | * 0xa0 (Task VerticalBlank ) | |
423 | * 0xe0 (Task EvenField VerticalBlank ) | |
424 | */ | |
1c1e45d1 HV |
425 | data[5] = 0xA0E0A0E0; |
426 | } | |
427 | ||
428 | CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n", | |
429 | data[0], data[1], data[2], data[3], data[4], data[5]); | |
430 | ||
dcc0ef88 | 431 | cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); |
1c1e45d1 HV |
432 | } |
433 | ||
66c2a6b0 AW |
434 | struct cx18_queue *cx18_stream_put_buf_fw(struct cx18_stream *s, |
435 | struct cx18_buffer *buf) | |
436 | { | |
437 | struct cx18 *cx = s->cx; | |
438 | struct cx18_queue *q; | |
439 | ||
440 | /* Don't give it to the firmware, if we're not running a capture */ | |
441 | if (s->handle == CX18_INVALID_TASK_HANDLE || | |
442 | !test_bit(CX18_F_S_STREAMING, &s->s_flags)) | |
443 | return cx18_enqueue(s, buf, &s->q_free); | |
444 | ||
445 | q = cx18_enqueue(s, buf, &s->q_busy); | |
446 | if (q != &s->q_busy) | |
447 | return q; /* The firmware has the max buffers it can handle */ | |
448 | ||
449 | cx18_buf_sync_for_device(s, buf); | |
450 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, | |
451 | (void __iomem *) &cx->scb->cpu_mdl[buf->id] - cx->enc_mem, | |
452 | 1, buf->id, s->buf_size); | |
453 | return q; | |
454 | } | |
455 | ||
abb096de | 456 | void cx18_stream_load_fw_queue(struct cx18_stream *s) |
66c2a6b0 | 457 | { |
abb096de | 458 | struct cx18_queue *q; |
66c2a6b0 | 459 | struct cx18_buffer *buf; |
66c2a6b0 | 460 | |
abb096de | 461 | if (atomic_read(&s->q_free.buffers) == 0 || |
0ef02892 | 462 | atomic_read(&s->q_busy.buffers) >= CX18_MAX_FW_MDLS_PER_STREAM) |
abb096de AW |
463 | return; |
464 | ||
465 | /* Move from q_free to q_busy notifying the firmware, until the limit */ | |
466 | do { | |
467 | buf = cx18_dequeue(s, &s->q_free); | |
468 | if (buf == NULL) | |
469 | break; | |
470 | q = cx18_stream_put_buf_fw(s, buf); | |
0ef02892 AW |
471 | } while (atomic_read(&s->q_busy.buffers) < CX18_MAX_FW_MDLS_PER_STREAM |
472 | && q == &s->q_busy); | |
66c2a6b0 AW |
473 | } |
474 | ||
1c1e45d1 HV |
475 | int cx18_start_v4l2_encode_stream(struct cx18_stream *s) |
476 | { | |
477 | u32 data[MAX_MB_ARGUMENTS]; | |
478 | struct cx18 *cx = s->cx; | |
66c2a6b0 | 479 | struct cx18_buffer *buf; |
1c1e45d1 | 480 | int captype = 0; |
dcc0ef88 | 481 | struct cx18_api_func_private priv; |
1c1e45d1 | 482 | |
3d05913d | 483 | if (s->video_dev == NULL && s->dvb.enabled == 0) |
1c1e45d1 HV |
484 | return -EINVAL; |
485 | ||
486 | CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); | |
487 | ||
488 | switch (s->type) { | |
489 | case CX18_ENC_STREAM_TYPE_MPG: | |
490 | captype = CAPTURE_CHANNEL_TYPE_MPEG; | |
491 | cx->mpg_data_received = cx->vbi_data_inserted = 0; | |
492 | cx->dualwatch_jiffies = jiffies; | |
493 | cx->dualwatch_stereo_mode = cx->params.audio_properties & 0x300; | |
494 | cx->search_pack_header = 0; | |
495 | break; | |
496 | ||
497 | case CX18_ENC_STREAM_TYPE_TS: | |
498 | captype = CAPTURE_CHANNEL_TYPE_TS; | |
1c1e45d1 HV |
499 | break; |
500 | case CX18_ENC_STREAM_TYPE_YUV: | |
501 | captype = CAPTURE_CHANNEL_TYPE_YUV; | |
502 | break; | |
503 | case CX18_ENC_STREAM_TYPE_PCM: | |
504 | captype = CAPTURE_CHANNEL_TYPE_PCM; | |
505 | break; | |
506 | case CX18_ENC_STREAM_TYPE_VBI: | |
dcc0ef88 | 507 | #ifdef CX18_ENCODER_PARSES_SLICED |
dd073434 AW |
508 | captype = cx18_raw_vbi(cx) ? |
509 | CAPTURE_CHANNEL_TYPE_VBI : CAPTURE_CHANNEL_TYPE_SLICED_VBI; | |
dcc0ef88 AW |
510 | #else |
511 | /* | |
512 | * Currently we set things up so that Sliced VBI from the | |
513 | * digitizer is handled as Raw VBI by the encoder | |
514 | */ | |
515 | captype = CAPTURE_CHANNEL_TYPE_VBI; | |
516 | #endif | |
1c1e45d1 HV |
517 | cx->vbi.frame = 0; |
518 | cx->vbi.inserted_frame = 0; | |
519 | memset(cx->vbi.sliced_mpeg_size, | |
520 | 0, sizeof(cx->vbi.sliced_mpeg_size)); | |
521 | break; | |
522 | default: | |
523 | return -EINVAL; | |
524 | } | |
1c1e45d1 | 525 | |
1c1e45d1 HV |
526 | /* Clear Streamoff flags in case left from last capture */ |
527 | clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); | |
528 | ||
529 | cx18_vapi_result(cx, data, CX18_CREATE_TASK, 1, CPU_CMD_MASK_CAPTURE); | |
530 | s->handle = data[0]; | |
531 | cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); | |
532 | ||
dcc0ef88 AW |
533 | /* |
534 | * For everything but CAPTURE_CHANNEL_TYPE_TS, play it safe and | |
535 | * set up all the parameters, as it is not obvious which parameters the | |
536 | * firmware shares across capture channel types and which it does not. | |
537 | * | |
538 | * Some of the cx18_vapi() calls below apply to only certain capture | |
539 | * channel types. We're hoping there's no harm in calling most of them | |
540 | * anyway, as long as the values are all consistent. Setting some | |
541 | * shared parameters will have no effect once an analog capture channel | |
542 | * has started streaming. | |
543 | */ | |
544 | if (captype != CAPTURE_CHANNEL_TYPE_TS) { | |
1c1e45d1 HV |
545 | cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); |
546 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); | |
547 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0); | |
548 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1); | |
1c1e45d1 | 549 | |
dcc0ef88 AW |
550 | /* |
551 | * Audio related reset according to | |
552 | * Documentation/video4linux/cx2341x/fw-encoder-api.txt | |
553 | */ | |
554 | if (atomic_read(&cx->ana_capturing) == 0) | |
555 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, | |
556 | s->handle, 12); | |
557 | ||
558 | /* | |
559 | * Number of lines for Field 1 & Field 2 according to | |
560 | * Documentation/video4linux/cx2341x/fw-encoder-api.txt | |
f37aa511 AW |
561 | * Field 1 is 312 for 625 line systems in BT.656 |
562 | * Field 2 is 313 for 625 line systems in BT.656 | |
dcc0ef88 | 563 | */ |
1c1e45d1 | 564 | cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3, |
f37aa511 | 565 | s->handle, 312, 313); |
1c1e45d1 | 566 | |
1c1e45d1 HV |
567 | if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE) |
568 | cx18_vbi_setup(s); | |
569 | ||
dcc0ef88 AW |
570 | /* |
571 | * assign program index info. | |
572 | * Mask 7: select I/P/B, Num_req: 400 max | |
573 | * FIXME - currently we have this hardcoded as disabled | |
574 | */ | |
1c1e45d1 HV |
575 | cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 1, 0); |
576 | ||
dcc0ef88 | 577 | /* Call out to the common CX2341x API setup for user controls */ |
50b86bac AW |
578 | priv.cx = cx; |
579 | priv.s = s; | |
580 | cx2341x_update(&priv, cx18_api_func, NULL, &cx->params); | |
dcc0ef88 AW |
581 | |
582 | /* | |
583 | * When starting a capture and we're set for radio, | |
584 | * ensure the video is muted, despite the user control. | |
585 | */ | |
586 | if (!cx->params.video_mute && | |
587 | test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) | |
588 | cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle, | |
589 | (cx->params.video_mute_yuv << 8) | 1); | |
1c1e45d1 HV |
590 | } |
591 | ||
31554ae5 | 592 | if (atomic_read(&cx->tot_capturing) == 0) { |
1c1e45d1 | 593 | clear_bit(CX18_F_I_EOS, &cx->i_flags); |
b1526421 | 594 | cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK); |
1c1e45d1 HV |
595 | } |
596 | ||
597 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, | |
990c81c8 AV |
598 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][0] - cx->enc_mem, |
599 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][1] - cx->enc_mem); | |
1c1e45d1 | 600 | |
66c2a6b0 AW |
601 | /* Init all the cpu_mdls for this stream */ |
602 | cx18_flush_queues(s); | |
603 | mutex_lock(&s->qlock); | |
f6b181ac | 604 | list_for_each_entry(buf, &s->q_free.list, list) { |
b1526421 AW |
605 | cx18_writel(cx, buf->dma_handle, |
606 | &cx->scb->cpu_mdl[buf->id].paddr); | |
607 | cx18_writel(cx, s->buf_size, &cx->scb->cpu_mdl[buf->id].length); | |
1c1e45d1 | 608 | } |
66c2a6b0 | 609 | mutex_unlock(&s->qlock); |
abb096de | 610 | cx18_stream_load_fw_queue(s); |
66c2a6b0 | 611 | |
1c1e45d1 HV |
612 | /* begin_capture */ |
613 | if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { | |
614 | CX18_DEBUG_WARN("Error starting capture!\n"); | |
3b5df8ea AW |
615 | /* Ensure we're really not capturing before releasing MDLs */ |
616 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) | |
617 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); | |
618 | else | |
619 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); | |
66c2a6b0 AW |
620 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); |
621 | /* FIXME - CX18_F_S_STREAMOFF as well? */ | |
3b5df8ea | 622 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); |
1c1e45d1 | 623 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
66c2a6b0 AW |
624 | s->handle = CX18_INVALID_TASK_HANDLE; |
625 | if (atomic_read(&cx->tot_capturing) == 0) { | |
626 | set_bit(CX18_F_I_EOS, &cx->i_flags); | |
627 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); | |
628 | } | |
1c1e45d1 HV |
629 | return -EINVAL; |
630 | } | |
631 | ||
632 | /* you're live! sit back and await interrupts :) */ | |
dcc0ef88 | 633 | if (captype != CAPTURE_CHANNEL_TYPE_TS) |
31554ae5 HV |
634 | atomic_inc(&cx->ana_capturing); |
635 | atomic_inc(&cx->tot_capturing); | |
1c1e45d1 HV |
636 | return 0; |
637 | } | |
638 | ||
639 | void cx18_stop_all_captures(struct cx18 *cx) | |
640 | { | |
641 | int i; | |
642 | ||
643 | for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { | |
644 | struct cx18_stream *s = &cx->streams[i]; | |
645 | ||
3d05913d | 646 | if (s->video_dev == NULL && s->dvb.enabled == 0) |
1c1e45d1 HV |
647 | continue; |
648 | if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) | |
649 | cx18_stop_v4l2_encode_stream(s, 0); | |
650 | } | |
651 | } | |
652 | ||
653 | int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) | |
654 | { | |
655 | struct cx18 *cx = s->cx; | |
656 | unsigned long then; | |
657 | ||
3d05913d | 658 | if (s->video_dev == NULL && s->dvb.enabled == 0) |
1c1e45d1 HV |
659 | return -EINVAL; |
660 | ||
661 | /* This function assumes that you are allowed to stop the capture | |
662 | and that we are actually capturing */ | |
663 | ||
664 | CX18_DEBUG_INFO("Stop Capture\n"); | |
665 | ||
31554ae5 | 666 | if (atomic_read(&cx->tot_capturing) == 0) |
1c1e45d1 HV |
667 | return 0; |
668 | ||
669 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) | |
670 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, !gop_end); | |
671 | else | |
672 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); | |
673 | ||
674 | then = jiffies; | |
675 | ||
676 | if (s->type == CX18_ENC_STREAM_TYPE_MPG && gop_end) { | |
677 | CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); | |
678 | } | |
679 | ||
31554ae5 HV |
680 | if (s->type != CX18_ENC_STREAM_TYPE_TS) |
681 | atomic_dec(&cx->ana_capturing); | |
682 | atomic_dec(&cx->tot_capturing); | |
1c1e45d1 HV |
683 | |
684 | /* Clear capture and no-read bits */ | |
685 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); | |
686 | ||
f68d0cf5 AW |
687 | /* Tell the CX23418 it can't use our buffers anymore */ |
688 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); | |
689 | ||
1c1e45d1 | 690 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
d3c5e707 | 691 | s->handle = CX18_INVALID_TASK_HANDLE; |
1c1e45d1 | 692 | |
31554ae5 | 693 | if (atomic_read(&cx->tot_capturing) > 0) |
1c1e45d1 HV |
694 | return 0; |
695 | ||
b1526421 | 696 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); |
1c1e45d1 HV |
697 | wake_up(&s->waitq); |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | u32 cx18_find_handle(struct cx18 *cx) | |
703 | { | |
704 | int i; | |
705 | ||
706 | /* find first available handle to be used for global settings */ | |
707 | for (i = 0; i < CX18_MAX_STREAMS; i++) { | |
708 | struct cx18_stream *s = &cx->streams[i]; | |
709 | ||
3d05913d | 710 | if (s->video_dev && (s->handle != CX18_INVALID_TASK_HANDLE)) |
1c1e45d1 HV |
711 | return s->handle; |
712 | } | |
d3c5e707 | 713 | return CX18_INVALID_TASK_HANDLE; |
1c1e45d1 | 714 | } |
ee2d64f5 AW |
715 | |
716 | struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle) | |
717 | { | |
718 | int i; | |
719 | struct cx18_stream *s; | |
720 | ||
721 | if (handle == CX18_INVALID_TASK_HANDLE) | |
722 | return NULL; | |
723 | ||
724 | for (i = 0; i < CX18_MAX_STREAMS; i++) { | |
725 | s = &cx->streams[i]; | |
726 | if (s->handle != handle) | |
727 | continue; | |
3d05913d | 728 | if (s->video_dev || s->dvb.enabled) |
ee2d64f5 AW |
729 | return s; |
730 | } | |
731 | return NULL; | |
732 | } |