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> | |
6afdeaf8 | 7 | * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.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. | |
1c1e45d1 HV |
18 | */ |
19 | ||
20 | #include "cx18-driver.h" | |
b1526421 | 21 | #include "cx18-io.h" |
1c1e45d1 HV |
22 | #include "cx18-fileops.h" |
23 | #include "cx18-mailbox.h" | |
24 | #include "cx18-i2c.h" | |
25 | #include "cx18-queue.h" | |
26 | #include "cx18-ioctl.h" | |
27 | #include "cx18-streams.h" | |
28 | #include "cx18-cards.h" | |
29 | #include "cx18-scb.h" | |
1c1e45d1 HV |
30 | #include "cx18-dvb.h" |
31 | ||
32 | #define CX18_DSP0_INTERRUPT_MASK 0xd0004C | |
33 | ||
bec43661 | 34 | static struct v4l2_file_operations cx18_v4l2_enc_fops = { |
daf20d95 HV |
35 | .owner = THIS_MODULE, |
36 | .read = cx18_v4l2_read, | |
37 | .open = cx18_v4l2_open, | |
dcaded7e | 38 | .unlocked_ioctl = video_ioctl2, |
daf20d95 HV |
39 | .release = cx18_v4l2_close, |
40 | .poll = cx18_v4l2_enc_poll, | |
b7101de3 | 41 | .mmap = cx18_v4l2_mmap, |
1c1e45d1 HV |
42 | }; |
43 | ||
44 | /* offset from 0 to register ts v4l2 minors on */ | |
45 | #define CX18_V4L2_ENC_TS_OFFSET 16 | |
46 | /* offset from 0 to register pcm v4l2 minors on */ | |
47 | #define CX18_V4L2_ENC_PCM_OFFSET 24 | |
48 | /* offset from 0 to register yuv v4l2 minors on */ | |
49 | #define CX18_V4L2_ENC_YUV_OFFSET 32 | |
50 | ||
51 | static struct { | |
52 | const char *name; | |
53 | int vfl_type; | |
dd89601d | 54 | int num_offset; |
1c1e45d1 | 55 | int dma; |
dfdf780b | 56 | u32 caps; |
1c1e45d1 HV |
57 | } cx18_stream_info[] = { |
58 | { /* CX18_ENC_STREAM_TYPE_MPG */ | |
59 | "encoder MPEG", | |
60 | VFL_TYPE_GRABBER, 0, | |
ff82b211 | 61 | PCI_DMA_FROMDEVICE, |
dfdf780b HV |
62 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | |
63 | V4L2_CAP_AUDIO | V4L2_CAP_TUNER | |
1c1e45d1 HV |
64 | }, |
65 | { /* CX18_ENC_STREAM_TYPE_TS */ | |
66 | "TS", | |
67 | VFL_TYPE_GRABBER, -1, | |
ff82b211 | 68 | PCI_DMA_FROMDEVICE, |
1c1e45d1 HV |
69 | }, |
70 | { /* CX18_ENC_STREAM_TYPE_YUV */ | |
71 | "encoder YUV", | |
72 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_YUV_OFFSET, | |
ff82b211 | 73 | PCI_DMA_FROMDEVICE, |
dfdf780b HV |
74 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | |
75 | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_TUNER | |
1c1e45d1 HV |
76 | }, |
77 | { /* CX18_ENC_STREAM_TYPE_VBI */ | |
78 | "encoder VBI", | |
79 | VFL_TYPE_VBI, 0, | |
ff82b211 | 80 | PCI_DMA_FROMDEVICE, |
dfdf780b HV |
81 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE | |
82 | V4L2_CAP_READWRITE | V4L2_CAP_TUNER | |
1c1e45d1 HV |
83 | }, |
84 | { /* CX18_ENC_STREAM_TYPE_PCM */ | |
85 | "encoder PCM audio", | |
86 | VFL_TYPE_GRABBER, CX18_V4L2_ENC_PCM_OFFSET, | |
ff82b211 | 87 | PCI_DMA_FROMDEVICE, |
2b4fd3ed | 88 | V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE, |
1c1e45d1 HV |
89 | }, |
90 | { /* CX18_ENC_STREAM_TYPE_IDX */ | |
91 | "encoder IDX", | |
92 | VFL_TYPE_GRABBER, -1, | |
ff82b211 | 93 | PCI_DMA_FROMDEVICE, |
1c1e45d1 HV |
94 | }, |
95 | { /* CX18_ENC_STREAM_TYPE_RAD */ | |
96 | "encoder radio", | |
97 | VFL_TYPE_RADIO, 0, | |
ff82b211 | 98 | PCI_DMA_NONE, |
dfdf780b | 99 | V4L2_CAP_RADIO | V4L2_CAP_TUNER |
1c1e45d1 HV |
100 | }, |
101 | }; | |
102 | ||
1bf5842f | 103 | |
5e6e81b2 | 104 | static void cx18_dma_free(struct videobuf_queue *q, |
1bf5842f SF |
105 | struct cx18_stream *s, struct cx18_videobuf_buffer *buf) |
106 | { | |
107 | videobuf_waiton(q, &buf->vb, 0, 0); | |
108 | videobuf_vmalloc_free(&buf->vb); | |
109 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
110 | } | |
111 | ||
112 | static int cx18_prepare_buffer(struct videobuf_queue *q, | |
113 | struct cx18_stream *s, | |
114 | struct cx18_videobuf_buffer *buf, | |
115 | u32 pixelformat, | |
116 | unsigned int width, unsigned int height, | |
117 | enum v4l2_field field) | |
118 | { | |
119 | struct cx18 *cx = s->cx; | |
120 | int rc = 0; | |
121 | ||
122 | /* check settings */ | |
123 | buf->bytes_used = 0; | |
124 | ||
125 | if ((width < 48) || (height < 32)) | |
126 | return -EINVAL; | |
127 | ||
128 | buf->vb.size = (width * height * 2); | |
129 | if ((buf->vb.baddr != 0) && (buf->vb.bsize < buf->vb.size)) | |
130 | return -EINVAL; | |
131 | ||
132 | /* alloc + fill struct (if changed) */ | |
133 | if (buf->vb.width != width || buf->vb.height != height || | |
134 | buf->vb.field != field || s->pixelformat != pixelformat || | |
135 | buf->tvnorm != cx->std) { | |
136 | ||
137 | buf->vb.width = width; | |
138 | buf->vb.height = height; | |
139 | buf->vb.field = field; | |
140 | buf->tvnorm = cx->std; | |
141 | s->pixelformat = pixelformat; | |
142 | ||
09fc9802 SF |
143 | /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) |
144 | UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ | |
145 | if (s->pixelformat == V4L2_PIX_FMT_HM12) | |
146 | s->vb_bytes_per_frame = height * 720 * 3 / 2; | |
147 | else | |
148 | s->vb_bytes_per_frame = height * 720 * 2; | |
1bf5842f SF |
149 | cx18_dma_free(q, s, buf); |
150 | } | |
151 | ||
152 | if ((buf->vb.baddr != 0) && (buf->vb.bsize < buf->vb.size)) | |
153 | return -EINVAL; | |
154 | ||
155 | if (buf->vb.field == 0) | |
156 | buf->vb.field = V4L2_FIELD_INTERLACED; | |
157 | ||
158 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
159 | buf->vb.width = width; | |
160 | buf->vb.height = height; | |
161 | buf->vb.field = field; | |
162 | buf->tvnorm = cx->std; | |
163 | s->pixelformat = pixelformat; | |
164 | ||
09fc9802 SF |
165 | /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) |
166 | UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ | |
167 | if (s->pixelformat == V4L2_PIX_FMT_HM12) | |
168 | s->vb_bytes_per_frame = height * 720 * 3 / 2; | |
169 | else | |
170 | s->vb_bytes_per_frame = height * 720 * 2; | |
1bf5842f SF |
171 | rc = videobuf_iolock(q, &buf->vb, NULL); |
172 | if (rc != 0) | |
173 | goto fail; | |
174 | } | |
175 | buf->vb.state = VIDEOBUF_PREPARED; | |
176 | return 0; | |
177 | ||
178 | fail: | |
179 | cx18_dma_free(q, s, buf); | |
180 | return rc; | |
181 | ||
182 | } | |
183 | ||
184 | /* VB_MIN_BUFSIZE is lcm(1440 * 480, 1440 * 576) | |
185 | 1440 is a single line of 4:2:2 YUV at 720 luma samples wide | |
186 | */ | |
187 | #define VB_MIN_BUFFERS 32 | |
188 | #define VB_MIN_BUFSIZE 4147200 | |
189 | ||
190 | static int buffer_setup(struct videobuf_queue *q, | |
191 | unsigned int *count, unsigned int *size) | |
192 | { | |
193 | struct cx18_stream *s = q->priv_data; | |
194 | struct cx18 *cx = s->cx; | |
195 | ||
196 | *size = 2 * cx->cxhdl.width * cx->cxhdl.height; | |
197 | if (*count == 0) | |
198 | *count = VB_MIN_BUFFERS; | |
199 | ||
200 | while (*size * *count > VB_MIN_BUFFERS * VB_MIN_BUFSIZE) | |
201 | (*count)--; | |
202 | ||
203 | q->field = V4L2_FIELD_INTERLACED; | |
204 | q->last = V4L2_FIELD_INTERLACED; | |
205 | ||
206 | return 0; | |
207 | } | |
208 | ||
209 | static int buffer_prepare(struct videobuf_queue *q, | |
210 | struct videobuf_buffer *vb, | |
211 | enum v4l2_field field) | |
212 | { | |
213 | struct cx18_videobuf_buffer *buf = | |
214 | container_of(vb, struct cx18_videobuf_buffer, vb); | |
215 | struct cx18_stream *s = q->priv_data; | |
216 | struct cx18 *cx = s->cx; | |
217 | ||
218 | return cx18_prepare_buffer(q, s, buf, s->pixelformat, | |
219 | cx->cxhdl.width, cx->cxhdl.height, field); | |
220 | } | |
221 | ||
222 | static void buffer_release(struct videobuf_queue *q, | |
223 | struct videobuf_buffer *vb) | |
224 | { | |
225 | struct cx18_videobuf_buffer *buf = | |
226 | container_of(vb, struct cx18_videobuf_buffer, vb); | |
227 | struct cx18_stream *s = q->priv_data; | |
228 | ||
229 | cx18_dma_free(q, s, buf); | |
230 | } | |
231 | ||
232 | static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
233 | { | |
234 | struct cx18_videobuf_buffer *buf = | |
235 | container_of(vb, struct cx18_videobuf_buffer, vb); | |
236 | struct cx18_stream *s = q->priv_data; | |
237 | ||
238 | buf->vb.state = VIDEOBUF_QUEUED; | |
239 | ||
240 | list_add_tail(&buf->vb.queue, &s->vb_capture); | |
241 | } | |
242 | ||
66883248 | 243 | static const struct videobuf_queue_ops cx18_videobuf_qops = { |
1bf5842f SF |
244 | .buf_setup = buffer_setup, |
245 | .buf_prepare = buffer_prepare, | |
246 | .buf_queue = buffer_queue, | |
247 | .buf_release = buffer_release, | |
248 | }; | |
249 | ||
1c1e45d1 HV |
250 | static void cx18_stream_init(struct cx18 *cx, int type) |
251 | { | |
252 | struct cx18_stream *s = &cx->streams[type]; | |
1c1e45d1 | 253 | |
1c1e45d1 | 254 | memset(s, 0, sizeof(*s)); |
1c1e45d1 HV |
255 | |
256 | /* initialize cx18_stream fields */ | |
754f9969 | 257 | s->dvb = NULL; |
1c1e45d1 HV |
258 | s->cx = cx; |
259 | s->type = type; | |
260 | s->name = cx18_stream_info[type].name; | |
d3c5e707 | 261 | s->handle = CX18_INVALID_TASK_HANDLE; |
1c1e45d1 HV |
262 | |
263 | s->dma = cx18_stream_info[type].dma; | |
dfdf780b | 264 | s->v4l2_dev_caps = cx18_stream_info[type].caps; |
6ecd86dc | 265 | s->buffers = cx->stream_buffers[type]; |
1c1e45d1 | 266 | s->buf_size = cx->stream_buf_size[type]; |
52fcb3ec AW |
267 | INIT_LIST_HEAD(&s->buf_pool); |
268 | s->bufs_per_mdl = 1; | |
269 | s->mdl_size = s->buf_size * s->bufs_per_mdl; | |
6ecd86dc | 270 | |
1c1e45d1 HV |
271 | init_waitqueue_head(&s->waitq); |
272 | s->id = -1; | |
40c5520f | 273 | spin_lock_init(&s->q_free.lock); |
1c1e45d1 | 274 | cx18_queue_init(&s->q_free); |
40c5520f | 275 | spin_lock_init(&s->q_busy.lock); |
66c2a6b0 | 276 | cx18_queue_init(&s->q_busy); |
40c5520f | 277 | spin_lock_init(&s->q_full.lock); |
1c1e45d1 | 278 | cx18_queue_init(&s->q_full); |
52fcb3ec AW |
279 | spin_lock_init(&s->q_idle.lock); |
280 | cx18_queue_init(&s->q_idle); | |
21a278b8 AW |
281 | |
282 | INIT_WORK(&s->out_work_order, cx18_out_work_handler); | |
b7101de3 ST |
283 | |
284 | INIT_LIST_HEAD(&s->vb_capture); | |
d720e055 | 285 | setup_timer(&s->vb_timeout, cx18_vb_timeout, (unsigned long)s); |
b7101de3 | 286 | spin_lock_init(&s->vb_lock); |
1bf5842f | 287 | if (type == CX18_ENC_STREAM_TYPE_YUV) { |
612031c0 SF |
288 | spin_lock_init(&s->vbuf_q_lock); |
289 | ||
1bf5842f SF |
290 | s->vb_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
291 | videobuf_queue_vmalloc_init(&s->vbuf_q, &cx18_videobuf_qops, | |
292 | &cx->pci_dev->dev, &s->vbuf_q_lock, | |
293 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
294 | V4L2_FIELD_INTERLACED, | |
295 | sizeof(struct cx18_videobuf_buffer), | |
296 | s, &cx->serialize_lock); | |
297 | ||
298 | /* Assume the previous pixel default */ | |
299 | s->pixelformat = V4L2_PIX_FMT_HM12; | |
09fc9802 | 300 | s->vb_bytes_per_frame = cx->cxhdl.height * 720 * 3 / 2; |
3a29a4f1 | 301 | s->vb_bytes_per_line = 720; |
1bf5842f | 302 | } |
1c1e45d1 HV |
303 | } |
304 | ||
305 | static int cx18_prep_dev(struct cx18 *cx, int type) | |
306 | { | |
307 | struct cx18_stream *s = &cx->streams[type]; | |
308 | u32 cap = cx->v4l2_cap; | |
dd89601d | 309 | int num_offset = cx18_stream_info[type].num_offset; |
5811cf99 | 310 | int num = cx->instance + cx18_first_minor + num_offset; |
1c1e45d1 | 311 | |
754f9969 AW |
312 | /* |
313 | * These five fields are always initialized. | |
08569d64 | 314 | * For analog capture related streams, if video_dev.v4l2_dev == NULL then the |
754f9969 AW |
315 | * stream is not in use. |
316 | * For the TS stream, if dvb == NULL then the stream is not in use. | |
317 | * In those cases no other fields but these four can be used. | |
318 | */ | |
08569d64 | 319 | s->video_dev.v4l2_dev = NULL; |
754f9969 | 320 | s->dvb = NULL; |
1c1e45d1 HV |
321 | s->cx = cx; |
322 | s->type = type; | |
323 | s->name = cx18_stream_info[type].name; | |
324 | ||
325 | /* Check whether the radio is supported */ | |
326 | if (type == CX18_ENC_STREAM_TYPE_RAD && !(cap & V4L2_CAP_RADIO)) | |
327 | return 0; | |
328 | ||
329 | /* Check whether VBI is supported */ | |
330 | if (type == CX18_ENC_STREAM_TYPE_VBI && | |
331 | !(cap & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE))) | |
332 | return 0; | |
333 | ||
1c1e45d1 HV |
334 | /* User explicitly selected 0 buffers for these streams, so don't |
335 | create them. */ | |
336 | if (cx18_stream_info[type].dma != PCI_DMA_NONE && | |
6ecd86dc | 337 | cx->stream_buffers[type] == 0) { |
1c1e45d1 HV |
338 | CX18_INFO("Disabled %s device\n", cx18_stream_info[type].name); |
339 | return 0; | |
340 | } | |
341 | ||
342 | cx18_stream_init(cx, type); | |
343 | ||
754f9969 AW |
344 | /* Allocate the cx18_dvb struct only for the TS on cards with DTV */ |
345 | if (type == CX18_ENC_STREAM_TYPE_TS) { | |
346 | if (cx->card->hw_all & CX18_HW_DVB) { | |
347 | s->dvb = kzalloc(sizeof(struct cx18_dvb), GFP_KERNEL); | |
348 | if (s->dvb == NULL) { | |
6beb1388 MCC |
349 | CX18_ERR("Couldn't allocate cx18_dvb structure for %s\n", |
350 | s->name); | |
754f9969 AW |
351 | return -ENOMEM; |
352 | } | |
353 | } else { | |
354 | /* Don't need buffers for the TS, if there is no DVB */ | |
355 | s->buffers = 0; | |
356 | } | |
357 | } | |
358 | ||
dd89601d | 359 | if (num_offset == -1) |
1c1e45d1 HV |
360 | return 0; |
361 | ||
08569d64 HV |
362 | /* initialize the v4l2 video device structure */ |
363 | snprintf(s->video_dev.name, sizeof(s->video_dev.name), "%s %s", | |
5811cf99 | 364 | cx->v4l2_dev.name, s->name); |
1c1e45d1 | 365 | |
08569d64 HV |
366 | s->video_dev.num = num; |
367 | s->video_dev.v4l2_dev = &cx->v4l2_dev; | |
368 | s->video_dev.fops = &cx18_v4l2_enc_fops; | |
369 | s->video_dev.release = video_device_release_empty; | |
3a29a4f1 HV |
370 | if (cx->card->video_inputs->video_type == CX18_CARD_INPUT_VID_TUNER) |
371 | s->video_dev.tvnorms = cx->tuner_std; | |
372 | else | |
373 | s->video_dev.tvnorms = V4L2_STD_ALL; | |
08569d64 HV |
374 | s->video_dev.lock = &cx->serialize_lock; |
375 | cx18_set_funcs(&s->video_dev); | |
1c1e45d1 HV |
376 | return 0; |
377 | } | |
378 | ||
379 | /* Initialize v4l2 variables and register v4l2 devices */ | |
380 | int cx18_streams_setup(struct cx18 *cx) | |
381 | { | |
9b4a7c8a | 382 | int type, ret; |
1c1e45d1 HV |
383 | |
384 | /* Setup V4L2 Devices */ | |
385 | for (type = 0; type < CX18_MAX_STREAMS; type++) { | |
386 | /* Prepare device */ | |
9b4a7c8a AW |
387 | ret = cx18_prep_dev(cx, type); |
388 | if (ret < 0) | |
1c1e45d1 HV |
389 | break; |
390 | ||
391 | /* Allocate Stream */ | |
9b4a7c8a AW |
392 | ret = cx18_stream_alloc(&cx->streams[type]); |
393 | if (ret < 0) | |
1c1e45d1 HV |
394 | break; |
395 | } | |
396 | if (type == CX18_MAX_STREAMS) | |
397 | return 0; | |
398 | ||
399 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 400 | cx18_streams_cleanup(cx, 0); |
9b4a7c8a | 401 | return ret; |
1c1e45d1 HV |
402 | } |
403 | ||
404 | static int cx18_reg_dev(struct cx18 *cx, int type) | |
405 | { | |
406 | struct cx18_stream *s = &cx->streams[type]; | |
407 | int vfl_type = cx18_stream_info[type].vfl_type; | |
38c7c036 | 408 | const char *name; |
9b4a7c8a | 409 | int num, ret; |
1c1e45d1 | 410 | |
754f9969 | 411 | if (type == CX18_ENC_STREAM_TYPE_TS && s->dvb != NULL) { |
9b4a7c8a AW |
412 | ret = cx18_dvb_register(s); |
413 | if (ret < 0) { | |
1c1e45d1 | 414 | CX18_ERR("DVB failed to register\n"); |
9b4a7c8a | 415 | return ret; |
1c1e45d1 HV |
416 | } |
417 | } | |
418 | ||
08569d64 | 419 | if (s->video_dev.v4l2_dev == NULL) |
1c1e45d1 HV |
420 | return 0; |
421 | ||
08569d64 | 422 | num = s->video_dev.num; |
dd89601d HV |
423 | /* card number + user defined offset + device offset */ |
424 | if (type != CX18_ENC_STREAM_TYPE_MPG) { | |
425 | struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; | |
426 | ||
08569d64 HV |
427 | if (s_mpg->video_dev.v4l2_dev) |
428 | num = s_mpg->video_dev.num | |
3d05913d | 429 | + cx18_stream_info[type].num_offset; |
dd89601d | 430 | } |
08569d64 | 431 | video_set_drvdata(&s->video_dev, s); |
1c1e45d1 HV |
432 | |
433 | /* Register device. First try the desired minor, then any free one. */ | |
08569d64 | 434 | ret = video_register_device_no_warn(&s->video_dev, vfl_type, num); |
9b4a7c8a | 435 | if (ret < 0) { |
581644d9 | 436 | CX18_ERR("Couldn't register v4l2 device for %s (device node number %d)\n", |
dd89601d | 437 | s->name, num); |
08569d64 | 438 | s->video_dev.v4l2_dev = NULL; |
9b4a7c8a | 439 | return ret; |
1c1e45d1 | 440 | } |
38c7c036 | 441 | |
08569d64 | 442 | name = video_device_node_name(&s->video_dev); |
1c1e45d1 HV |
443 | |
444 | switch (vfl_type) { | |
445 | case VFL_TYPE_GRABBER: | |
38c7c036 LP |
446 | CX18_INFO("Registered device %s for %s (%d x %d.%02d kB)\n", |
447 | name, s->name, cx->stream_buffers[type], | |
22dce188 AW |
448 | cx->stream_buf_size[type] / 1024, |
449 | (cx->stream_buf_size[type] * 100 / 1024) % 100); | |
1c1e45d1 HV |
450 | break; |
451 | ||
452 | case VFL_TYPE_RADIO: | |
38c7c036 | 453 | CX18_INFO("Registered device %s for %s\n", name, s->name); |
1c1e45d1 HV |
454 | break; |
455 | ||
456 | case VFL_TYPE_VBI: | |
6ecd86dc | 457 | if (cx->stream_buffers[type]) |
6beb1388 | 458 | CX18_INFO("Registered device %s for %s (%d x %d bytes)\n", |
38c7c036 | 459 | name, s->name, cx->stream_buffers[type], |
6ecd86dc | 460 | cx->stream_buf_size[type]); |
1c1e45d1 | 461 | else |
38c7c036 LP |
462 | CX18_INFO("Registered device %s for %s\n", |
463 | name, s->name); | |
1c1e45d1 HV |
464 | break; |
465 | } | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | /* Register v4l2 devices */ | |
471 | int cx18_streams_register(struct cx18 *cx) | |
472 | { | |
473 | int type; | |
9b4a7c8a AW |
474 | int err; |
475 | int ret = 0; | |
1c1e45d1 HV |
476 | |
477 | /* Register V4L2 devices */ | |
9b4a7c8a AW |
478 | for (type = 0; type < CX18_MAX_STREAMS; type++) { |
479 | err = cx18_reg_dev(cx, type); | |
480 | if (err && ret == 0) | |
481 | ret = err; | |
482 | } | |
1c1e45d1 | 483 | |
9b4a7c8a | 484 | if (ret == 0) |
1c1e45d1 HV |
485 | return 0; |
486 | ||
487 | /* One or more streams could not be initialized. Clean 'em all up. */ | |
3f98387e | 488 | cx18_streams_cleanup(cx, 1); |
9b4a7c8a | 489 | return ret; |
1c1e45d1 HV |
490 | } |
491 | ||
492 | /* Unregister v4l2 devices */ | |
3f98387e | 493 | void cx18_streams_cleanup(struct cx18 *cx, int unregister) |
1c1e45d1 HV |
494 | { |
495 | struct video_device *vdev; | |
496 | int type; | |
497 | ||
498 | /* Teardown all streams */ | |
499 | for (type = 0; type < CX18_MAX_STREAMS; type++) { | |
7b1dde03 | 500 | |
754f9969 | 501 | /* The TS has a cx18_dvb structure, not a video_device */ |
7b1dde03 | 502 | if (type == CX18_ENC_STREAM_TYPE_TS) { |
754f9969 AW |
503 | if (cx->streams[type].dvb != NULL) { |
504 | if (unregister) | |
505 | cx18_dvb_unregister(&cx->streams[type]); | |
506 | kfree(cx->streams[type].dvb); | |
507 | cx->streams[type].dvb = NULL; | |
7b1dde03 AW |
508 | cx18_stream_free(&cx->streams[type]); |
509 | } | |
510 | continue; | |
511 | } | |
512 | ||
513 | /* No struct video_device, but can have buffers allocated */ | |
514 | if (type == CX18_ENC_STREAM_TYPE_IDX) { | |
0f890ab1 | 515 | /* If the module params didn't inhibit IDX ... */ |
7b1dde03 AW |
516 | if (cx->stream_buffers[type] != 0) { |
517 | cx->stream_buffers[type] = 0; | |
0f890ab1 AW |
518 | /* |
519 | * Before calling cx18_stream_free(), | |
520 | * check if the IDX stream was actually set up. | |
521 | * Needed, since the cx18_probe() error path | |
522 | * exits through here as well as normal clean up | |
523 | */ | |
524 | if (cx->streams[type].buffers != 0) | |
525 | cx18_stream_free(&cx->streams[type]); | |
7b1dde03 AW |
526 | } |
527 | continue; | |
fac3639d | 528 | } |
1c1e45d1 | 529 | |
7b1dde03 | 530 | /* If struct video_device exists, can have buffers allocated */ |
08569d64 | 531 | vdev = &cx->streams[type].video_dev; |
1c1e45d1 | 532 | |
08569d64 | 533 | if (vdev->v4l2_dev == NULL) |
1c1e45d1 HV |
534 | continue; |
535 | ||
1bf5842f SF |
536 | if (type == CX18_ENC_STREAM_TYPE_YUV) |
537 | videobuf_mmap_free(&cx->streams[type].vbuf_q); | |
538 | ||
1c1e45d1 HV |
539 | cx18_stream_free(&cx->streams[type]); |
540 | ||
08569d64 | 541 | video_unregister_device(vdev); |
1c1e45d1 HV |
542 | } |
543 | } | |
544 | ||
545 | static void cx18_vbi_setup(struct cx18_stream *s) | |
546 | { | |
547 | struct cx18 *cx = s->cx; | |
dd073434 | 548 | int raw = cx18_raw_vbi(cx); |
1c1e45d1 HV |
549 | u32 data[CX2341X_MBOX_MAX_DATA]; |
550 | int lines; | |
551 | ||
552 | if (cx->is_60hz) { | |
553 | cx->vbi.count = 12; | |
554 | cx->vbi.start[0] = 10; | |
555 | cx->vbi.start[1] = 273; | |
556 | } else { /* PAL/SECAM */ | |
557 | cx->vbi.count = 18; | |
558 | cx->vbi.start[0] = 6; | |
559 | cx->vbi.start[1] = 318; | |
560 | } | |
561 | ||
562 | /* setup VBI registers */ | |
add632cd HV |
563 | if (raw) |
564 | v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &cx->vbi.in.fmt.vbi); | |
565 | else | |
566 | v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &cx->vbi.in.fmt.sliced); | |
1c1e45d1 | 567 | |
dcc0ef88 AW |
568 | /* |
569 | * Send the CX18_CPU_SET_RAW_VBI_PARAM API command to setup Encoder Raw | |
570 | * VBI when the first analog capture channel starts, as once it starts | |
571 | * (e.g. MPEG), we can't effect any change in the Encoder Raw VBI setup | |
572 | * (i.e. for the VBI capture channels). We also send it for each | |
573 | * analog capture channel anyway just to make sure we get the proper | |
574 | * behavior | |
575 | */ | |
1c1e45d1 HV |
576 | if (raw) { |
577 | lines = cx->vbi.count * 2; | |
578 | } else { | |
812b1f9d AW |
579 | /* |
580 | * For 525/60 systems, according to the VIP 2 & BT.656 std: | |
581 | * The EAV RP code's Field bit toggles on line 4, a few lines | |
582 | * after the Vertcal Blank bit has already toggled. | |
583 | * Tell the encoder to capture 21-4+1=18 lines per field, | |
584 | * since we want lines 10 through 21. | |
585 | * | |
5ab74052 AW |
586 | * For 625/50 systems, according to the VIP 2 & BT.656 std: |
587 | * The EAV RP code's Field bit toggles on line 1, a few lines | |
588 | * after the Vertcal Blank bit has already toggled. | |
929a3ad1 AW |
589 | * (We've actually set the digitizer so that the Field bit |
590 | * toggles on line 2.) Tell the encoder to capture 23-2+1=22 | |
591 | * lines per field, since we want lines 6 through 23. | |
812b1f9d | 592 | */ |
929a3ad1 | 593 | lines = cx->is_60hz ? (21 - 4 + 1) * 2 : (23 - 2 + 1) * 2; |
1c1e45d1 HV |
594 | } |
595 | ||
1c1e45d1 HV |
596 | data[0] = s->handle; |
597 | /* Lines per field */ | |
598 | data[1] = (lines / 2) | ((lines / 2) << 16); | |
599 | /* bytes per line */ | |
318de791 MCC |
600 | data[2] = (raw ? VBI_ACTIVE_SAMPLES |
601 | : (cx->is_60hz ? VBI_HBLANK_SAMPLES_60HZ | |
602 | : VBI_HBLANK_SAMPLES_50HZ)); | |
1c1e45d1 HV |
603 | /* Every X number of frames a VBI interrupt arrives |
604 | (frames as in 25 or 30 fps) */ | |
605 | data[3] = 1; | |
302df970 AW |
606 | /* |
607 | * Set the SAV/EAV RP codes to look for as start/stop points | |
608 | * when in VIP-1.1 mode | |
609 | */ | |
1c1e45d1 | 610 | if (raw) { |
302df970 AW |
611 | /* |
612 | * Start codes for beginning of "active" line in vertical blank | |
613 | * 0x20 ( VerticalBlank ) | |
614 | * 0x60 ( EvenField VerticalBlank ) | |
615 | */ | |
1c1e45d1 | 616 | data[4] = 0x20602060; |
302df970 AW |
617 | /* |
618 | * End codes for end of "active" raw lines and regular lines | |
619 | * 0x30 ( VerticalBlank HorizontalBlank) | |
620 | * 0x70 ( EvenField VerticalBlank HorizontalBlank) | |
621 | * 0x90 (Task HorizontalBlank) | |
622 | * 0xd0 (Task EvenField HorizontalBlank) | |
623 | */ | |
af009cf6 | 624 | data[5] = 0x307090d0; |
1c1e45d1 | 625 | } else { |
302df970 AW |
626 | /* |
627 | * End codes for active video, we want data in the hblank region | |
628 | * 0xb0 (Task 0 VerticalBlank HorizontalBlank) | |
629 | * 0xf0 (Task EvenField VerticalBlank HorizontalBlank) | |
630 | * | |
631 | * Since the V bit is only allowed to toggle in the EAV RP code, | |
632 | * just before the first active region line, these two | |
812b1f9d | 633 | * are problematic: |
302df970 AW |
634 | * 0x90 (Task HorizontalBlank) |
635 | * 0xd0 (Task EvenField HorizontalBlank) | |
812b1f9d | 636 | * |
af7c58b1 AW |
637 | * We have set the digitzer such that we don't have to worry |
638 | * about these problem codes. | |
302df970 | 639 | */ |
1c1e45d1 | 640 | data[4] = 0xB0F0B0F0; |
302df970 AW |
641 | /* |
642 | * Start codes for beginning of active line in vertical blank | |
643 | * 0xa0 (Task VerticalBlank ) | |
644 | * 0xe0 (Task EvenField VerticalBlank ) | |
645 | */ | |
1c1e45d1 HV |
646 | data[5] = 0xA0E0A0E0; |
647 | } | |
648 | ||
649 | CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n", | |
650 | data[0], data[1], data[2], data[3], data[4], data[5]); | |
651 | ||
dcc0ef88 | 652 | cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); |
1c1e45d1 HV |
653 | } |
654 | ||
ef991797 AW |
655 | void cx18_stream_rotate_idx_mdls(struct cx18 *cx) |
656 | { | |
657 | struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; | |
658 | struct cx18_mdl *mdl; | |
659 | ||
660 | if (!cx18_stream_enabled(s)) | |
661 | return; | |
662 | ||
663 | /* Return if the firmware is not running low on MDLs */ | |
664 | if ((atomic_read(&s->q_free.depth) + atomic_read(&s->q_busy.depth)) >= | |
665 | CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN) | |
666 | return; | |
667 | ||
668 | /* Return if there are no MDLs to rotate back to the firmware */ | |
669 | if (atomic_read(&s->q_full.depth) < 2) | |
670 | return; | |
671 | ||
672 | /* | |
673 | * Take the oldest IDX MDL still holding data, and discard its index | |
674 | * entries by scheduling the MDL to go back to the firmware | |
675 | */ | |
676 | mdl = cx18_dequeue(s, &s->q_full); | |
677 | if (mdl != NULL) | |
678 | cx18_enqueue(s, mdl, &s->q_free); | |
679 | } | |
680 | ||
87116159 | 681 | static |
52fcb3ec AW |
682 | struct cx18_queue *_cx18_stream_put_mdl_fw(struct cx18_stream *s, |
683 | struct cx18_mdl *mdl) | |
66c2a6b0 AW |
684 | { |
685 | struct cx18 *cx = s->cx; | |
686 | struct cx18_queue *q; | |
687 | ||
688 | /* Don't give it to the firmware, if we're not running a capture */ | |
689 | if (s->handle == CX18_INVALID_TASK_HANDLE || | |
87116159 | 690 | test_bit(CX18_F_S_STOPPING, &s->s_flags) || |
66c2a6b0 | 691 | !test_bit(CX18_F_S_STREAMING, &s->s_flags)) |
52fcb3ec | 692 | return cx18_enqueue(s, mdl, &s->q_free); |
66c2a6b0 | 693 | |
52fcb3ec | 694 | q = cx18_enqueue(s, mdl, &s->q_busy); |
66c2a6b0 | 695 | if (q != &s->q_busy) |
52fcb3ec | 696 | return q; /* The firmware has the max MDLs it can handle */ |
66c2a6b0 | 697 | |
52fcb3ec | 698 | cx18_mdl_sync_for_device(s, mdl); |
66c2a6b0 | 699 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, |
52fcb3ec AW |
700 | (void __iomem *) &cx->scb->cpu_mdl[mdl->id] - cx->enc_mem, |
701 | s->bufs_per_mdl, mdl->id, s->mdl_size); | |
66c2a6b0 AW |
702 | return q; |
703 | } | |
704 | ||
87116159 AW |
705 | static |
706 | void _cx18_stream_load_fw_queue(struct cx18_stream *s) | |
66c2a6b0 | 707 | { |
abb096de | 708 | struct cx18_queue *q; |
52fcb3ec | 709 | struct cx18_mdl *mdl; |
66c2a6b0 | 710 | |
c37b11bf AW |
711 | if (atomic_read(&s->q_free.depth) == 0 || |
712 | atomic_read(&s->q_busy.depth) >= CX18_MAX_FW_MDLS_PER_STREAM) | |
abb096de AW |
713 | return; |
714 | ||
715 | /* Move from q_free to q_busy notifying the firmware, until the limit */ | |
716 | do { | |
52fcb3ec AW |
717 | mdl = cx18_dequeue(s, &s->q_free); |
718 | if (mdl == NULL) | |
abb096de | 719 | break; |
52fcb3ec | 720 | q = _cx18_stream_put_mdl_fw(s, mdl); |
c37b11bf | 721 | } while (atomic_read(&s->q_busy.depth) < CX18_MAX_FW_MDLS_PER_STREAM |
0ef02892 | 722 | && q == &s->q_busy); |
66c2a6b0 AW |
723 | } |
724 | ||
87116159 AW |
725 | void cx18_out_work_handler(struct work_struct *work) |
726 | { | |
21a278b8 AW |
727 | struct cx18_stream *s = |
728 | container_of(work, struct cx18_stream, out_work_order); | |
87116159 | 729 | |
21a278b8 | 730 | _cx18_stream_load_fw_queue(s); |
87116159 AW |
731 | } |
732 | ||
52fcb3ec AW |
733 | static void cx18_stream_configure_mdls(struct cx18_stream *s) |
734 | { | |
735 | cx18_unload_queues(s); | |
736 | ||
22dce188 AW |
737 | switch (s->type) { |
738 | case CX18_ENC_STREAM_TYPE_YUV: | |
739 | /* | |
740 | * Height should be a multiple of 32 lines. | |
741 | * Set the MDL size to the exact size needed for one frame. | |
742 | * Use enough buffers per MDL to cover the MDL size | |
743 | */ | |
1bf5842f SF |
744 | if (s->pixelformat == V4L2_PIX_FMT_HM12) |
745 | s->mdl_size = 720 * s->cx->cxhdl.height * 3 / 2; | |
746 | else | |
747 | s->mdl_size = 720 * s->cx->cxhdl.height * 2; | |
22dce188 AW |
748 | s->bufs_per_mdl = s->mdl_size / s->buf_size; |
749 | if (s->mdl_size % s->buf_size) | |
750 | s->bufs_per_mdl++; | |
751 | break; | |
127ce5f0 AW |
752 | case CX18_ENC_STREAM_TYPE_VBI: |
753 | s->bufs_per_mdl = 1; | |
754 | if (cx18_raw_vbi(s->cx)) { | |
755 | s->mdl_size = (s->cx->is_60hz ? 12 : 18) | |
318de791 | 756 | * 2 * VBI_ACTIVE_SAMPLES; |
127ce5f0 AW |
757 | } else { |
758 | /* | |
759 | * See comment in cx18_vbi_setup() below about the | |
760 | * extra lines we capture in sliced VBI mode due to | |
761 | * the lines on which EAV RP codes toggle. | |
762 | */ | |
763 | s->mdl_size = s->cx->is_60hz | |
318de791 MCC |
764 | ? (21 - 4 + 1) * 2 * VBI_HBLANK_SAMPLES_60HZ |
765 | : (23 - 2 + 1) * 2 * VBI_HBLANK_SAMPLES_50HZ; | |
127ce5f0 AW |
766 | } |
767 | break; | |
22dce188 AW |
768 | default: |
769 | s->bufs_per_mdl = 1; | |
770 | s->mdl_size = s->buf_size * s->bufs_per_mdl; | |
771 | break; | |
772 | } | |
52fcb3ec AW |
773 | |
774 | cx18_load_queues(s); | |
775 | } | |
776 | ||
1c1e45d1 HV |
777 | int cx18_start_v4l2_encode_stream(struct cx18_stream *s) |
778 | { | |
779 | u32 data[MAX_MB_ARGUMENTS]; | |
780 | struct cx18 *cx = s->cx; | |
1c1e45d1 | 781 | int captype = 0; |
e46c54a8 | 782 | struct cx18_stream *s_idx; |
1c1e45d1 | 783 | |
540bab93 | 784 | if (!cx18_stream_enabled(s)) |
1c1e45d1 HV |
785 | return -EINVAL; |
786 | ||
787 | CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); | |
788 | ||
789 | switch (s->type) { | |
790 | case CX18_ENC_STREAM_TYPE_MPG: | |
791 | captype = CAPTURE_CHANNEL_TYPE_MPEG; | |
792 | cx->mpg_data_received = cx->vbi_data_inserted = 0; | |
793 | cx->dualwatch_jiffies = jiffies; | |
a75b9be1 | 794 | cx->dualwatch_stereo_mode = v4l2_ctrl_g_ctrl(cx->cxhdl.audio_mode); |
1c1e45d1 HV |
795 | cx->search_pack_header = 0; |
796 | break; | |
797 | ||
e46c54a8 AW |
798 | case CX18_ENC_STREAM_TYPE_IDX: |
799 | captype = CAPTURE_CHANNEL_TYPE_INDEX; | |
800 | break; | |
1c1e45d1 HV |
801 | case CX18_ENC_STREAM_TYPE_TS: |
802 | captype = CAPTURE_CHANNEL_TYPE_TS; | |
1c1e45d1 HV |
803 | break; |
804 | case CX18_ENC_STREAM_TYPE_YUV: | |
805 | captype = CAPTURE_CHANNEL_TYPE_YUV; | |
806 | break; | |
807 | case CX18_ENC_STREAM_TYPE_PCM: | |
808 | captype = CAPTURE_CHANNEL_TYPE_PCM; | |
809 | break; | |
810 | case CX18_ENC_STREAM_TYPE_VBI: | |
dcc0ef88 | 811 | #ifdef CX18_ENCODER_PARSES_SLICED |
dd073434 AW |
812 | captype = cx18_raw_vbi(cx) ? |
813 | CAPTURE_CHANNEL_TYPE_VBI : CAPTURE_CHANNEL_TYPE_SLICED_VBI; | |
dcc0ef88 AW |
814 | #else |
815 | /* | |
816 | * Currently we set things up so that Sliced VBI from the | |
817 | * digitizer is handled as Raw VBI by the encoder | |
818 | */ | |
819 | captype = CAPTURE_CHANNEL_TYPE_VBI; | |
820 | #endif | |
1c1e45d1 HV |
821 | cx->vbi.frame = 0; |
822 | cx->vbi.inserted_frame = 0; | |
823 | memset(cx->vbi.sliced_mpeg_size, | |
824 | 0, sizeof(cx->vbi.sliced_mpeg_size)); | |
825 | break; | |
826 | default: | |
827 | return -EINVAL; | |
828 | } | |
1c1e45d1 | 829 | |
1c1e45d1 HV |
830 | /* Clear Streamoff flags in case left from last capture */ |
831 | clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); | |
832 | ||
833 | cx18_vapi_result(cx, data, CX18_CREATE_TASK, 1, CPU_CMD_MASK_CAPTURE); | |
834 | s->handle = data[0]; | |
835 | cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); | |
836 | ||
dcc0ef88 AW |
837 | /* |
838 | * For everything but CAPTURE_CHANNEL_TYPE_TS, play it safe and | |
839 | * set up all the parameters, as it is not obvious which parameters the | |
840 | * firmware shares across capture channel types and which it does not. | |
841 | * | |
842 | * Some of the cx18_vapi() calls below apply to only certain capture | |
843 | * channel types. We're hoping there's no harm in calling most of them | |
844 | * anyway, as long as the values are all consistent. Setting some | |
845 | * shared parameters will have no effect once an analog capture channel | |
846 | * has started streaming. | |
847 | */ | |
848 | if (captype != CAPTURE_CHANNEL_TYPE_TS) { | |
1c1e45d1 HV |
849 | cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); |
850 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); | |
851 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0); | |
852 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1); | |
1c1e45d1 | 853 | |
dcc0ef88 AW |
854 | /* |
855 | * Audio related reset according to | |
856 | * Documentation/video4linux/cx2341x/fw-encoder-api.txt | |
857 | */ | |
858 | if (atomic_read(&cx->ana_capturing) == 0) | |
859 | cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, | |
860 | s->handle, 12); | |
861 | ||
862 | /* | |
863 | * Number of lines for Field 1 & Field 2 according to | |
864 | * Documentation/video4linux/cx2341x/fw-encoder-api.txt | |
f37aa511 AW |
865 | * Field 1 is 312 for 625 line systems in BT.656 |
866 | * Field 2 is 313 for 625 line systems in BT.656 | |
dcc0ef88 | 867 | */ |
1c1e45d1 | 868 | cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3, |
f37aa511 | 869 | s->handle, 312, 313); |
1c1e45d1 | 870 | |
1c1e45d1 HV |
871 | if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE) |
872 | cx18_vbi_setup(s); | |
873 | ||
dcc0ef88 | 874 | /* |
e46c54a8 AW |
875 | * Select to receive I, P, and B frame index entries, if the |
876 | * index stream is enabled. Otherwise disable index entry | |
877 | * generation. | |
dcc0ef88 | 878 | */ |
e46c54a8 | 879 | s_idx = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; |
5ada5773 AW |
880 | cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 2, |
881 | s->handle, cx18_stream_enabled(s_idx) ? 7 : 0); | |
1c1e45d1 | 882 | |
dcc0ef88 | 883 | /* Call out to the common CX2341x API setup for user controls */ |
a75b9be1 HV |
884 | cx->cxhdl.priv = s; |
885 | cx2341x_handler_setup(&cx->cxhdl); | |
dcc0ef88 AW |
886 | |
887 | /* | |
888 | * When starting a capture and we're set for radio, | |
889 | * ensure the video is muted, despite the user control. | |
890 | */ | |
a75b9be1 | 891 | if (!cx->cxhdl.video_mute && |
dcc0ef88 AW |
892 | test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) |
893 | cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle, | |
a75b9be1 | 894 | (v4l2_ctrl_g_ctrl(cx->cxhdl.video_mute_yuv) << 8) | 1); |
b7101de3 ST |
895 | |
896 | /* Enable the Video Format Converter for UYVY 4:2:2 support, | |
897 | * rather than the default HM12 Macroblovk 4:2:0 support. | |
898 | */ | |
899 | if (captype == CAPTURE_CHANNEL_TYPE_YUV) { | |
1bf5842f | 900 | if (s->pixelformat == V4L2_PIX_FMT_UYVY) |
b7101de3 ST |
901 | cx18_vapi(cx, CX18_CPU_SET_VFC_PARAM, 2, |
902 | s->handle, 1); | |
903 | else | |
904 | /* If in doubt, default to HM12 */ | |
905 | cx18_vapi(cx, CX18_CPU_SET_VFC_PARAM, 2, | |
906 | s->handle, 0); | |
907 | } | |
1c1e45d1 HV |
908 | } |
909 | ||
31554ae5 | 910 | if (atomic_read(&cx->tot_capturing) == 0) { |
a75b9be1 | 911 | cx2341x_handler_set_busy(&cx->cxhdl, 1); |
1c1e45d1 | 912 | clear_bit(CX18_F_I_EOS, &cx->i_flags); |
b1526421 | 913 | cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK); |
1c1e45d1 HV |
914 | } |
915 | ||
916 | cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, | |
990c81c8 AV |
917 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][0] - cx->enc_mem, |
918 | (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][1] - cx->enc_mem); | |
1c1e45d1 | 919 | |
66c2a6b0 | 920 | /* Init all the cpu_mdls for this stream */ |
52fcb3ec | 921 | cx18_stream_configure_mdls(s); |
87116159 | 922 | _cx18_stream_load_fw_queue(s); |
66c2a6b0 | 923 | |
1c1e45d1 HV |
924 | /* begin_capture */ |
925 | if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { | |
926 | CX18_DEBUG_WARN("Error starting capture!\n"); | |
3b5df8ea | 927 | /* Ensure we're really not capturing before releasing MDLs */ |
87116159 | 928 | set_bit(CX18_F_S_STOPPING, &s->s_flags); |
3b5df8ea AW |
929 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) |
930 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); | |
931 | else | |
932 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); | |
66c2a6b0 AW |
933 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); |
934 | /* FIXME - CX18_F_S_STREAMOFF as well? */ | |
3b5df8ea | 935 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); |
1c1e45d1 | 936 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
66c2a6b0 | 937 | s->handle = CX18_INVALID_TASK_HANDLE; |
87116159 | 938 | clear_bit(CX18_F_S_STOPPING, &s->s_flags); |
66c2a6b0 AW |
939 | if (atomic_read(&cx->tot_capturing) == 0) { |
940 | set_bit(CX18_F_I_EOS, &cx->i_flags); | |
941 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); | |
942 | } | |
1c1e45d1 HV |
943 | return -EINVAL; |
944 | } | |
945 | ||
946 | /* you're live! sit back and await interrupts :) */ | |
dcc0ef88 | 947 | if (captype != CAPTURE_CHANNEL_TYPE_TS) |
31554ae5 HV |
948 | atomic_inc(&cx->ana_capturing); |
949 | atomic_inc(&cx->tot_capturing); | |
1c1e45d1 HV |
950 | return 0; |
951 | } | |
0f4cf676 | 952 | EXPORT_SYMBOL(cx18_start_v4l2_encode_stream); |
1c1e45d1 HV |
953 | |
954 | void cx18_stop_all_captures(struct cx18 *cx) | |
955 | { | |
956 | int i; | |
957 | ||
958 | for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { | |
959 | struct cx18_stream *s = &cx->streams[i]; | |
960 | ||
540bab93 | 961 | if (!cx18_stream_enabled(s)) |
1c1e45d1 HV |
962 | continue; |
963 | if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) | |
964 | cx18_stop_v4l2_encode_stream(s, 0); | |
965 | } | |
966 | } | |
967 | ||
968 | int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) | |
969 | { | |
970 | struct cx18 *cx = s->cx; | |
1c1e45d1 | 971 | |
540bab93 | 972 | if (!cx18_stream_enabled(s)) |
1c1e45d1 HV |
973 | return -EINVAL; |
974 | ||
975 | /* This function assumes that you are allowed to stop the capture | |
976 | and that we are actually capturing */ | |
977 | ||
978 | CX18_DEBUG_INFO("Stop Capture\n"); | |
979 | ||
31554ae5 | 980 | if (atomic_read(&cx->tot_capturing) == 0) |
1c1e45d1 HV |
981 | return 0; |
982 | ||
87116159 | 983 | set_bit(CX18_F_S_STOPPING, &s->s_flags); |
1c1e45d1 HV |
984 | if (s->type == CX18_ENC_STREAM_TYPE_MPG) |
985 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, !gop_end); | |
986 | else | |
987 | cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); | |
988 | ||
1c1e45d1 HV |
989 | if (s->type == CX18_ENC_STREAM_TYPE_MPG && gop_end) { |
990 | CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); | |
991 | } | |
992 | ||
31554ae5 HV |
993 | if (s->type != CX18_ENC_STREAM_TYPE_TS) |
994 | atomic_dec(&cx->ana_capturing); | |
995 | atomic_dec(&cx->tot_capturing); | |
1c1e45d1 HV |
996 | |
997 | /* Clear capture and no-read bits */ | |
998 | clear_bit(CX18_F_S_STREAMING, &s->s_flags); | |
999 | ||
f68d0cf5 AW |
1000 | /* Tell the CX23418 it can't use our buffers anymore */ |
1001 | cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); | |
1002 | ||
1c1e45d1 | 1003 | cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); |
d3c5e707 | 1004 | s->handle = CX18_INVALID_TASK_HANDLE; |
87116159 | 1005 | clear_bit(CX18_F_S_STOPPING, &s->s_flags); |
1c1e45d1 | 1006 | |
31554ae5 | 1007 | if (atomic_read(&cx->tot_capturing) > 0) |
1c1e45d1 HV |
1008 | return 0; |
1009 | ||
a75b9be1 | 1010 | cx2341x_handler_set_busy(&cx->cxhdl, 0); |
b1526421 | 1011 | cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); |
1c1e45d1 HV |
1012 | wake_up(&s->waitq); |
1013 | ||
1014 | return 0; | |
1015 | } | |
0f4cf676 | 1016 | EXPORT_SYMBOL(cx18_stop_v4l2_encode_stream); |
1c1e45d1 HV |
1017 | |
1018 | u32 cx18_find_handle(struct cx18 *cx) | |
1019 | { | |
1020 | int i; | |
1021 | ||
1022 | /* find first available handle to be used for global settings */ | |
1023 | for (i = 0; i < CX18_MAX_STREAMS; i++) { | |
1024 | struct cx18_stream *s = &cx->streams[i]; | |
1025 | ||
08569d64 | 1026 | if (s->video_dev.v4l2_dev && (s->handle != CX18_INVALID_TASK_HANDLE)) |
1c1e45d1 HV |
1027 | return s->handle; |
1028 | } | |
d3c5e707 | 1029 | return CX18_INVALID_TASK_HANDLE; |
1c1e45d1 | 1030 | } |
ee2d64f5 AW |
1031 | |
1032 | struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle) | |
1033 | { | |
1034 | int i; | |
1035 | struct cx18_stream *s; | |
1036 | ||
1037 | if (handle == CX18_INVALID_TASK_HANDLE) | |
1038 | return NULL; | |
1039 | ||
1040 | for (i = 0; i < CX18_MAX_STREAMS; i++) { | |
1041 | s = &cx->streams[i]; | |
1042 | if (s->handle != handle) | |
1043 | continue; | |
540bab93 | 1044 | if (cx18_stream_enabled(s)) |
ee2d64f5 AW |
1045 | return s; |
1046 | } | |
1047 | return NULL; | |
1048 | } |