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Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux...
[linux/fpc-iii.git] / drivers / media / pci / solo6x10 / solo6x10-v4l2-enc.c
blob67a14c41c227ac3e44643202982eb1c6bf543ef3
1 /*
2 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
3 *
4 * Original author:
5 * Ben Collins <bcollins@ubuntu.com>
6 *
7 * Additional work by:
8 * John Brooks <john.brooks@bluecherry.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/kthread.h>
24 #include <linux/freezer.h>
25
26 #include <media/v4l2-ioctl.h>
27 #include <media/v4l2-common.h>
28 #include <media/v4l2-event.h>
29 #include <media/videobuf2-dma-sg.h>
30
31 #include "solo6x10.h"
32 #include "solo6x10-tw28.h"
33 #include "solo6x10-jpeg.h"
34
35 #define MIN_VID_BUFFERS 2
36 #define FRAME_BUF_SIZE (196 * 1024)
37 #define MP4_QS 16
38 #define DMA_ALIGN 4096
39
40 /* 6010 M4V */
41 static u8 vop_6010_ntsc_d1[] = {
42 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
43 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
44 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
45 0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f,
46 };
47
48 static u8 vop_6010_ntsc_cif[] = {
49 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
50 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
51 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
52 0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f,
53 };
54
55 static u8 vop_6010_pal_d1[] = {
56 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
57 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
58 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
59 0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f,
60 };
61
62 static u8 vop_6010_pal_cif[] = {
63 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
64 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
65 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
66 0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f,
67 };
68
69 /* 6110 h.264 */
70 static u8 vop_6110_ntsc_d1[] = {
71 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
72 0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00,
73 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
74 };
75
76 static u8 vop_6110_ntsc_cif[] = {
77 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
78 0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00,
79 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
80 };
81
82 static u8 vop_6110_pal_d1[] = {
83 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
84 0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00,
85 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
86 };
87
88 static u8 vop_6110_pal_cif[] = {
89 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
90 0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00,
91 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
92 };
93
94 typedef __le32 vop_header[16];
95
96 struct solo_enc_buf {
97 enum solo_enc_types type;
98 const vop_header *vh;
99 int motion;
100 };
101
102 static int solo_is_motion_on(struct solo_enc_dev *solo_enc)
103 {
104 struct solo_dev *solo_dev = solo_enc->solo_dev;
105
106 return (solo_dev->motion_mask >> solo_enc->ch) & 1;
107 }
108
109 static int solo_motion_detected(struct solo_enc_dev *solo_enc)
110 {
111 struct solo_dev *solo_dev = solo_enc->solo_dev;
112 unsigned long flags;
113 u32 ch_mask = 1 << solo_enc->ch;
114 int ret = 0;
115
116 spin_lock_irqsave(&solo_enc->motion_lock, flags);
117 if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) {
118 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask);
119 ret = 1;
120 }
121 spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
122
123 return ret;
124 }
125
126 static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on)
127 {
128 struct solo_dev *solo_dev = solo_enc->solo_dev;
129 u32 mask = 1 << solo_enc->ch;
130 unsigned long flags;
131
132 spin_lock_irqsave(&solo_enc->motion_lock, flags);
133
134 if (on)
135 solo_dev->motion_mask |= mask;
136 else
137 solo_dev->motion_mask &= ~mask;
138
139 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask);
140
141 solo_reg_write(solo_dev, SOLO_VI_MOT_ADR,
142 SOLO_VI_MOTION_EN(solo_dev->motion_mask) |
143 (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16));
144
145 spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
146 }
147
148 void solo_update_mode(struct solo_enc_dev *solo_enc)
149 {
150 struct solo_dev *solo_dev = solo_enc->solo_dev;
151 int vop_len;
152 u8 *vop;
153
154 solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0;
155 solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1);
156
157 if (solo_enc->mode == SOLO_ENC_MODE_CIF) {
158 solo_enc->width = solo_dev->video_hsize >> 1;
159 solo_enc->height = solo_dev->video_vsize;
160 if (solo_dev->type == SOLO_DEV_6110) {
161 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
162 vop = vop_6110_ntsc_cif;
163 vop_len = sizeof(vop_6110_ntsc_cif);
164 } else {
165 vop = vop_6110_pal_cif;
166 vop_len = sizeof(vop_6110_pal_cif);
167 }
168 } else {
169 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
170 vop = vop_6010_ntsc_cif;
171 vop_len = sizeof(vop_6010_ntsc_cif);
172 } else {
173 vop = vop_6010_pal_cif;
174 vop_len = sizeof(vop_6010_pal_cif);
175 }
176 }
177 } else {
178 solo_enc->width = solo_dev->video_hsize;
179 solo_enc->height = solo_dev->video_vsize << 1;
180 solo_enc->bw_weight <<= 2;
181 if (solo_dev->type == SOLO_DEV_6110) {
182 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
183 vop = vop_6110_ntsc_d1;
184 vop_len = sizeof(vop_6110_ntsc_d1);
185 } else {
186 vop = vop_6110_pal_d1;
187 vop_len = sizeof(vop_6110_pal_d1);
188 }
189 } else {
190 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
191 vop = vop_6010_ntsc_d1;
192 vop_len = sizeof(vop_6010_ntsc_d1);
193 } else {
194 vop = vop_6010_pal_d1;
195 vop_len = sizeof(vop_6010_pal_d1);
196 }
197 }
198 }
199
200 memcpy(solo_enc->vop, vop, vop_len);
201
202 /* Some fixups for 6010/M4V */
203 if (solo_dev->type == SOLO_DEV_6010) {
204 u16 fps = solo_dev->fps * 1000;
205 u16 interval = solo_enc->interval * 1000;
206
207 vop = solo_enc->vop;
208
209 /* Frame rate and interval */
210 vop[22] = fps >> 4;
211 vop[23] = ((fps << 4) & 0xf0) | 0x0c
212 | ((interval >> 13) & 0x3);
213 vop[24] = (interval >> 5) & 0xff;
214 vop[25] = ((interval << 3) & 0xf8) | 0x04;
215 }
216
217 solo_enc->vop_len = vop_len;
218
219 /* Now handle the jpeg header */
220 vop = solo_enc->jpeg_header;
221 vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8);
222 vop[SOF0_START + 6] = 0xff & solo_enc->height;
223 vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8);
224 vop[SOF0_START + 8] = 0xff & solo_enc->width;
225
226 memcpy(vop + DQT_START,
227 jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN);
228 }
229
230 static int solo_enc_on(struct solo_enc_dev *solo_enc)
231 {
232 u8 ch = solo_enc->ch;
233 struct solo_dev *solo_dev = solo_enc->solo_dev;
234 u8 interval;
235
236 solo_update_mode(solo_enc);
237
238 /* Make sure to do a bandwidth check */
239 if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
240 return -EBUSY;
241 solo_enc->sequence = 0;
242 solo_dev->enc_bw_remain -= solo_enc->bw_weight;
243
244 if (solo_enc->type == SOLO_ENC_TYPE_EXT)
245 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1);
246
247 /* Disable all encoding for this channel */
248 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0);
249
250 /* Common for both std and ext encoding */
251 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch),
252 solo_enc->interlaced ? 1 : 0);
253
254 if (solo_enc->interlaced)
255 interval = solo_enc->interval - 1;
256 else
257 interval = solo_enc->interval;
258
259 /* Standard encoding only */
260 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop);
261 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp);
262 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval);
263
264 /* Extended encoding only */
265 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop);
266 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp);
267 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval);
268
269 /* Enables the standard encoder */
270 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode);
271
272 return 0;
273 }
274
275 static void solo_enc_off(struct solo_enc_dev *solo_enc)
276 {
277 struct solo_dev *solo_dev = solo_enc->solo_dev;
278
279 solo_dev->enc_bw_remain += solo_enc->bw_weight;
280
281 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0);
282 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0);
283 }
284
285 static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma,
286 unsigned int off, unsigned int size)
287 {
288 int ret;
289
290 if (off > SOLO_MP4E_EXT_SIZE(solo_dev))
291 return -EINVAL;
292
293 /* Single shot */
294 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) {
295 return solo_p2m_dma_t(solo_dev, 0, dma,
296 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size,
297 0, 0);
298 }
299
300 /* Buffer wrap */
301 ret = solo_p2m_dma_t(solo_dev, 0, dma,
302 SOLO_MP4E_EXT_ADDR(solo_dev) + off,
303 SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0);
304
305 if (!ret) {
306 ret = solo_p2m_dma_t(solo_dev, 0,
307 dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off,
308 SOLO_MP4E_EXT_ADDR(solo_dev),
309 size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0);
310 }
311
312 return ret;
313 }
314
315 /* Build a descriptor queue out of an SG list and send it to the P2M for
316 * processing. */
317 static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip,
318 struct sg_table *vbuf, int off, int size,
319 unsigned int base, unsigned int base_size)
320 {
321 struct solo_dev *solo_dev = solo_enc->solo_dev;
322 struct scatterlist *sg;
323 int i;
324 int ret;
325
326 if (WARN_ON_ONCE(size > FRAME_BUF_SIZE))
327 return -EINVAL;
328
329 solo_enc->desc_count = 1;
330
331 for_each_sg(vbuf->sgl, sg, vbuf->nents, i) {
332 struct solo_p2m_desc *desc;
333 dma_addr_t dma;
334 int len;
335 int left = base_size - off;
336
337 desc = &solo_enc->desc_items[solo_enc->desc_count++];
338 dma = sg_dma_address(sg);
339 len = sg_dma_len(sg);
340
341 /* We assume this is smaller than the scatter size */
342 BUG_ON(skip >= len);
343 if (skip) {
344 len -= skip;
345 dma += skip;
346 size -= skip;
347 skip = 0;
348 }
349
350 len = min(len, size);
351
352 if (len <= left) {
353 /* Single descriptor */
354 solo_p2m_fill_desc(desc, 0, dma, base + off,
355 len, 0, 0);
356 } else {
357 /* Buffer wrap */
358 /* XXX: Do these as separate DMA requests, to avoid
359 timeout errors triggered by awkwardly sized
360 descriptors. See
361 <https://github.com/bluecherrydvr/solo6x10/issues/8>
362 */
363 ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off,
364 left, 0, 0);
365 if (ret)
366 return ret;
367
368 ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base,
369 len - left, 0, 0);
370 if (ret)
371 return ret;
372
373 solo_enc->desc_count--;
374 }
375
376 size -= len;
377 if (size <= 0)
378 break;
379
380 off += len;
381 if (off >= base_size)
382 off -= base_size;
383
384 /* Because we may use two descriptors per loop */
385 if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) {
386 ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items,
387 solo_enc->desc_dma,
388 solo_enc->desc_count - 1);
389 if (ret)
390 return ret;
391 solo_enc->desc_count = 1;
392 }
393 }
394
395 if (solo_enc->desc_count <= 1)
396 return 0;
397
398 return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items,
399 solo_enc->desc_dma, solo_enc->desc_count - 1);
400 }
401
402 /* Extract values from VOP header - VE_STATUSxx */
403 static inline int vop_interlaced(const vop_header *vh)
404 {
405 return (__le32_to_cpu((*vh)[0]) >> 30) & 1;
406 }
407
408 static inline u8 vop_channel(const vop_header *vh)
409 {
410 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F;
411 }
412
413 static inline u8 vop_type(const vop_header *vh)
414 {
415 return (__le32_to_cpu((*vh)[0]) >> 22) & 3;
416 }
417
418 static inline u32 vop_mpeg_size(const vop_header *vh)
419 {
420 return __le32_to_cpu((*vh)[0]) & 0xFFFFF;
421 }
422
423 static inline u8 vop_hsize(const vop_header *vh)
424 {
425 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF;
426 }
427
428 static inline u8 vop_vsize(const vop_header *vh)
429 {
430 return __le32_to_cpu((*vh)[1]) & 0xFF;
431 }
432
433 static inline u32 vop_mpeg_offset(const vop_header *vh)
434 {
435 return __le32_to_cpu((*vh)[2]);
436 }
437
438 static inline u32 vop_jpeg_offset(const vop_header *vh)
439 {
440 return __le32_to_cpu((*vh)[3]);
441 }
442
443 static inline u32 vop_jpeg_size(const vop_header *vh)
444 {
445 return __le32_to_cpu((*vh)[4]) & 0xFFFFF;
446 }
447
448 static inline u32 vop_sec(const vop_header *vh)
449 {
450 return __le32_to_cpu((*vh)[5]);
451 }
452
453 static inline u32 vop_usec(const vop_header *vh)
454 {
455 return __le32_to_cpu((*vh)[6]);
456 }
457
458 static int solo_fill_jpeg(struct solo_enc_dev *solo_enc,
459 struct vb2_buffer *vb, const vop_header *vh)
460 {
461 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
462 struct solo_dev *solo_dev = solo_enc->solo_dev;
463 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
464 int frame_size;
465
466 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;
467
468 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len)
469 return -EIO;
470
471 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN);
472 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len);
473
474 return solo_send_desc(solo_enc, solo_enc->jpeg_len, sgt,
475 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev),
476 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
477 SOLO_JPEG_EXT_SIZE(solo_dev));
478 }
479
480 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
481 struct vb2_buffer *vb, const vop_header *vh)
482 {
483 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
484 struct solo_dev *solo_dev = solo_enc->solo_dev;
485 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
486 int frame_off, frame_size;
487 int skip = 0;
488
489 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh))
490 return -EIO;
491
492 /* If this is a key frame, add extra header */
493 vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME |
494 V4L2_BUF_FLAG_BFRAME);
495 if (!vop_type(vh)) {
496 skip = solo_enc->vop_len;
497 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;
498 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) +
499 solo_enc->vop_len);
500 } else {
501 vbuf->flags |= V4L2_BUF_FLAG_PFRAME;
502 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh));
503 }
504
505 /* Now get the actual mpeg payload */
506 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) +
507 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev);
508 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN);
509
510 return solo_send_desc(solo_enc, skip, sgt, frame_off, frame_size,
511 SOLO_MP4E_EXT_ADDR(solo_dev),
512 SOLO_MP4E_EXT_SIZE(solo_dev));
513 }
514
515 static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
516 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf)
517 {
518 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
519 const vop_header *vh = enc_buf->vh;
520 int ret;
521
522 switch (solo_enc->fmt) {
523 case V4L2_PIX_FMT_MPEG4:
524 case V4L2_PIX_FMT_H264:
525 ret = solo_fill_mpeg(solo_enc, vb, vh);
526 break;
527 default: /* V4L2_PIX_FMT_MJPEG */
528 ret = solo_fill_jpeg(solo_enc, vb, vh);
529 break;
530 }
531
532 if (!ret) {
533 vbuf->sequence = solo_enc->sequence++;
534 vb->timestamp = ktime_get_ns();
535
536 /* Check for motion flags */
537 if (solo_is_motion_on(solo_enc) && enc_buf->motion) {
538 struct v4l2_event ev = {
539 .type = V4L2_EVENT_MOTION_DET,
540 .u.motion_det = {
541 .flags
542 = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
543 .frame_sequence = vbuf->sequence,
544 .region_mask = enc_buf->motion ? 1 : 0,
545 },
546 };
547
548 v4l2_event_queue(solo_enc->vfd, &ev);
549 }
550 }
551
552 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
553
554 return ret;
555 }
556
557 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc,
558 struct solo_enc_buf *enc_buf)
559 {
560 struct solo_vb2_buf *vb;
561 unsigned long flags;
562
563 mutex_lock(&solo_enc->lock);
564 if (solo_enc->type != enc_buf->type)
565 goto unlock;
566
567 spin_lock_irqsave(&solo_enc->av_lock, flags);
568 if (list_empty(&solo_enc->vidq_active)) {
569 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
570 goto unlock;
571 }
572 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf,
573 list);
574 list_del(&vb->list);
575 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
576
577 solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf);
578 unlock:
579 mutex_unlock(&solo_enc->lock);
580 }
581
582 void solo_enc_v4l2_isr(struct solo_dev *solo_dev)
583 {
584 wake_up_interruptible_all(&solo_dev->ring_thread_wait);
585 }
586
587 static void solo_handle_ring(struct solo_dev *solo_dev)
588 {
589 for (;;) {
590 struct solo_enc_dev *solo_enc;
591 struct solo_enc_buf enc_buf;
592 u32 mpeg_current, off;
593 u8 ch;
594 u8 cur_q;
595
596 /* Check if the hardware has any new ones in the queue */
597 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff;
598 if (cur_q == solo_dev->enc_idx)
599 break;
600
601 mpeg_current = solo_reg_read(solo_dev,
602 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
603 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS;
604
605 ch = (mpeg_current >> 24) & 0x1f;
606 off = mpeg_current & 0x00ffffff;
607
608 if (ch >= SOLO_MAX_CHANNELS) {
609 ch -= SOLO_MAX_CHANNELS;
610 enc_buf.type = SOLO_ENC_TYPE_EXT;
611 } else
612 enc_buf.type = SOLO_ENC_TYPE_STD;
613
614 solo_enc = solo_dev->v4l2_enc[ch];
615 if (solo_enc == NULL) {
616 dev_err(&solo_dev->pdev->dev,
617 "Got spurious packet for channel %d\n", ch);
618 continue;
619 }
620
621 /* FAIL... */
622 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off,
623 sizeof(vop_header)))
624 continue;
625
626 enc_buf.vh = solo_dev->vh_buf;
627
628 /* Sanity check */
629 if (vop_mpeg_offset(enc_buf.vh) !=
630 SOLO_MP4E_EXT_ADDR(solo_dev) + off)
631 continue;
632
633 if (solo_motion_detected(solo_enc))
634 enc_buf.motion = 1;
635 else
636 enc_buf.motion = 0;
637
638 solo_enc_handle_one(solo_enc, &enc_buf);
639 }
640 }
641
642 static int solo_ring_thread(void *data)
643 {
644 struct solo_dev *solo_dev = data;
645 DECLARE_WAITQUEUE(wait, current);
646
647 set_freezable();
648 add_wait_queue(&solo_dev->ring_thread_wait, &wait);
649
650 for (;;) {
651 long timeout = schedule_timeout_interruptible(HZ);
652
653 if (timeout == -ERESTARTSYS || kthread_should_stop())
654 break;
655 solo_handle_ring(solo_dev);
656 try_to_freeze();
657 }
658
659 remove_wait_queue(&solo_dev->ring_thread_wait, &wait);
660
661 return 0;
662 }
663
664 static int solo_enc_queue_setup(struct vb2_queue *q,
665 unsigned int *num_buffers,
666 unsigned int *num_planes, unsigned int sizes[],
667 void *alloc_ctxs[])
668 {
669 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
670
671 sizes[0] = FRAME_BUF_SIZE;
672 alloc_ctxs[0] = solo_enc->alloc_ctx;
673 *num_planes = 1;
674
675 if (*num_buffers < MIN_VID_BUFFERS)
676 *num_buffers = MIN_VID_BUFFERS;
677
678 return 0;
679 }
680
681 static void solo_enc_buf_queue(struct vb2_buffer *vb)
682 {
683 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
684 struct vb2_queue *vq = vb->vb2_queue;
685 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq);
686 struct solo_vb2_buf *solo_vb =
687 container_of(vbuf, struct solo_vb2_buf, vb);
688
689 spin_lock(&solo_enc->av_lock);
690 list_add_tail(&solo_vb->list, &solo_enc->vidq_active);
691 spin_unlock(&solo_enc->av_lock);
692 }
693
694 static int solo_ring_start(struct solo_dev *solo_dev)
695 {
696 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev,
697 SOLO6X10_NAME "_ring");
698 if (IS_ERR(solo_dev->ring_thread)) {
699 int err = PTR_ERR(solo_dev->ring_thread);
700
701 solo_dev->ring_thread = NULL;
702 return err;
703 }
704
705 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
706
707 return 0;
708 }
709
710 static void solo_ring_stop(struct solo_dev *solo_dev)
711 {
712 if (solo_dev->ring_thread) {
713 kthread_stop(solo_dev->ring_thread);
714 solo_dev->ring_thread = NULL;
715 }
716
717 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
718 }
719
720 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count)
721 {
722 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
723
724 return solo_enc_on(solo_enc);
725 }
726
727 static void solo_enc_stop_streaming(struct vb2_queue *q)
728 {
729 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
730 unsigned long flags;
731
732 spin_lock_irqsave(&solo_enc->av_lock, flags);
733 solo_enc_off(solo_enc);
734 while (!list_empty(&solo_enc->vidq_active)) {
735 struct solo_vb2_buf *buf = list_entry(
736 solo_enc->vidq_active.next,
737 struct solo_vb2_buf, list);
738
739 list_del(&buf->list);
740 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
741 }
742 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
743 }
744
745 static void solo_enc_buf_finish(struct vb2_buffer *vb)
746 {
747 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
748 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue);
749 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
750
751 switch (solo_enc->fmt) {
752 case V4L2_PIX_FMT_MPEG4:
753 case V4L2_PIX_FMT_H264:
754 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
755 sg_copy_from_buffer(sgt->sgl, sgt->nents,
756 solo_enc->vop, solo_enc->vop_len);
757 break;
758 default: /* V4L2_PIX_FMT_MJPEG */
759 sg_copy_from_buffer(sgt->sgl, sgt->nents,
760 solo_enc->jpeg_header, solo_enc->jpeg_len);
761 break;
762 }
763 }
764
765 static struct vb2_ops solo_enc_video_qops = {
766 .queue_setup = solo_enc_queue_setup,
767 .buf_queue = solo_enc_buf_queue,
768 .buf_finish = solo_enc_buf_finish,
769 .start_streaming = solo_enc_start_streaming,
770 .stop_streaming = solo_enc_stop_streaming,
771 .wait_prepare = vb2_ops_wait_prepare,
772 .wait_finish = vb2_ops_wait_finish,
773 };
774
775 static int solo_enc_querycap(struct file *file, void *priv,
776 struct v4l2_capability *cap)
777 {
778 struct solo_enc_dev *solo_enc = video_drvdata(file);
779 struct solo_dev *solo_dev = solo_enc->solo_dev;
780
781 strcpy(cap->driver, SOLO6X10_NAME);
782 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
783 solo_enc->ch);
784 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
785 pci_name(solo_dev->pdev));
786 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
787 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
788 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
789 return 0;
790 }
791
792 static int solo_enc_enum_input(struct file *file, void *priv,
793 struct v4l2_input *input)
794 {
795 struct solo_enc_dev *solo_enc = video_drvdata(file);
796 struct solo_dev *solo_dev = solo_enc->solo_dev;
797
798 if (input->index)
799 return -EINVAL;
800
801 snprintf(input->name, sizeof(input->name), "Encoder %d",
802 solo_enc->ch + 1);
803 input->type = V4L2_INPUT_TYPE_CAMERA;
804 input->std = solo_enc->vfd->tvnorms;
805
806 if (!tw28_get_video_status(solo_dev, solo_enc->ch))
807 input->status = V4L2_IN_ST_NO_SIGNAL;
808
809 return 0;
810 }
811
812 static int solo_enc_set_input(struct file *file, void *priv,
813 unsigned int index)
814 {
815 if (index)
816 return -EINVAL;
817
818 return 0;
819 }
820
821 static int solo_enc_get_input(struct file *file, void *priv,
822 unsigned int *index)
823 {
824 *index = 0;
825
826 return 0;
827 }
828
829 static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
830 struct v4l2_fmtdesc *f)
831 {
832 struct solo_enc_dev *solo_enc = video_drvdata(file);
833 int dev_type = solo_enc->solo_dev->type;
834
835 switch (f->index) {
836 case 0:
837 switch (dev_type) {
838 case SOLO_DEV_6010:
839 f->pixelformat = V4L2_PIX_FMT_MPEG4;
840 strcpy(f->description, "MPEG-4 part 2");
841 break;
842 case SOLO_DEV_6110:
843 f->pixelformat = V4L2_PIX_FMT_H264;
844 strcpy(f->description, "H.264");
845 break;
846 }
847 break;
848 case 1:
849 f->pixelformat = V4L2_PIX_FMT_MJPEG;
850 strcpy(f->description, "MJPEG");
851 break;
852 default:
853 return -EINVAL;
854 }
855
856 f->flags = V4L2_FMT_FLAG_COMPRESSED;
857
858 return 0;
859 }
860
861 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type)
862 {
863 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110)
864 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010)
865 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL;
866 }
867
868 static int solo_enc_try_fmt_cap(struct file *file, void *priv,
869 struct v4l2_format *f)
870 {
871 struct solo_enc_dev *solo_enc = video_drvdata(file);
872 struct solo_dev *solo_dev = solo_enc->solo_dev;
873 struct v4l2_pix_format *pix = &f->fmt.pix;
874
875 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type))
876 return -EINVAL;
877
878 if (pix->width < solo_dev->video_hsize ||
879 pix->height < solo_dev->video_vsize << 1) {
880 /* Default to CIF 1/2 size */
881 pix->width = solo_dev->video_hsize >> 1;
882 pix->height = solo_dev->video_vsize;
883 } else {
884 /* Full frame */
885 pix->width = solo_dev->video_hsize;
886 pix->height = solo_dev->video_vsize << 1;
887 }
888
889 switch (pix->field) {
890 case V4L2_FIELD_NONE:
891 case V4L2_FIELD_INTERLACED:
892 break;
893 case V4L2_FIELD_ANY:
894 default:
895 pix->field = V4L2_FIELD_INTERLACED;
896 break;
897 }
898
899 /* Just set these */
900 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
901 pix->sizeimage = FRAME_BUF_SIZE;
902 pix->bytesperline = 0;
903 pix->priv = 0;
904
905 return 0;
906 }
907
908 static int solo_enc_set_fmt_cap(struct file *file, void *priv,
909 struct v4l2_format *f)
910 {
911 struct solo_enc_dev *solo_enc = video_drvdata(file);
912 struct solo_dev *solo_dev = solo_enc->solo_dev;
913 struct v4l2_pix_format *pix = &f->fmt.pix;
914 int ret;
915
916 if (vb2_is_busy(&solo_enc->vidq))
917 return -EBUSY;
918
919 ret = solo_enc_try_fmt_cap(file, priv, f);
920 if (ret)
921 return ret;
922
923 if (pix->width == solo_dev->video_hsize)
924 solo_enc->mode = SOLO_ENC_MODE_D1;
925 else
926 solo_enc->mode = SOLO_ENC_MODE_CIF;
927
928 /* This does not change the encoder at all */
929 solo_enc->fmt = pix->pixelformat;
930
931 /*
932 * More information is needed about these 'extended' types. As far
933 * as I can tell these are basically additional video streams with
934 * different MPEG encoding attributes that can run in parallel with
935 * the main stream. If so, then this should be implemented as a
936 * second video node. Abusing priv like this is certainly not the
937 * right approach.
938 if (pix->priv)
939 solo_enc->type = SOLO_ENC_TYPE_EXT;
940 */
941 solo_update_mode(solo_enc);
942 return 0;
943 }
944
945 static int solo_enc_get_fmt_cap(struct file *file, void *priv,
946 struct v4l2_format *f)
947 {
948 struct solo_enc_dev *solo_enc = video_drvdata(file);
949 struct v4l2_pix_format *pix = &f->fmt.pix;
950
951 pix->width = solo_enc->width;
952 pix->height = solo_enc->height;
953 pix->pixelformat = solo_enc->fmt;
954 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
955 V4L2_FIELD_NONE;
956 pix->sizeimage = FRAME_BUF_SIZE;
957 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
958 pix->priv = 0;
959
960 return 0;
961 }
962
963 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i)
964 {
965 struct solo_enc_dev *solo_enc = video_drvdata(file);
966 struct solo_dev *solo_dev = solo_enc->solo_dev;
967
968 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
969 *i = V4L2_STD_NTSC_M;
970 else
971 *i = V4L2_STD_PAL;
972 return 0;
973 }
974
975 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std)
976 {
977 struct solo_enc_dev *solo_enc = video_drvdata(file);
978
979 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50);
980 }
981
982 static int solo_enum_framesizes(struct file *file, void *priv,
983 struct v4l2_frmsizeenum *fsize)
984 {
985 struct solo_enc_dev *solo_enc = video_drvdata(file);
986 struct solo_dev *solo_dev = solo_enc->solo_dev;
987
988 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type))
989 return -EINVAL;
990
991 switch (fsize->index) {
992 case 0:
993 fsize->discrete.width = solo_dev->video_hsize >> 1;
994 fsize->discrete.height = solo_dev->video_vsize;
995 break;
996 case 1:
997 fsize->discrete.width = solo_dev->video_hsize;
998 fsize->discrete.height = solo_dev->video_vsize << 1;
999 break;
1000 default:
1001 return -EINVAL;
1002 }
1003
1004 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
1005
1006 return 0;
1007 }
1008
1009 static int solo_enum_frameintervals(struct file *file, void *priv,
1010 struct v4l2_frmivalenum *fintv)
1011 {
1012 struct solo_enc_dev *solo_enc = video_drvdata(file);
1013 struct solo_dev *solo_dev = solo_enc->solo_dev;
1014
1015 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type))
1016 return -EINVAL;
1017 if (fintv->index)
1018 return -EINVAL;
1019 if ((fintv->width != solo_dev->video_hsize >> 1 ||
1020 fintv->height != solo_dev->video_vsize) &&
1021 (fintv->width != solo_dev->video_hsize ||
1022 fintv->height != solo_dev->video_vsize << 1))
1023 return -EINVAL;
1024
1025 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
1026
1027 fintv->stepwise.min.numerator = 1;
1028 fintv->stepwise.min.denominator = solo_dev->fps;
1029
1030 fintv->stepwise.max.numerator = 15;
1031 fintv->stepwise.max.denominator = solo_dev->fps;
1032
1033 fintv->stepwise.step.numerator = 1;
1034 fintv->stepwise.step.denominator = solo_dev->fps;
1035
1036 return 0;
1037 }
1038
1039 static int solo_g_parm(struct file *file, void *priv,
1040 struct v4l2_streamparm *sp)
1041 {
1042 struct solo_enc_dev *solo_enc = video_drvdata(file);
1043 struct v4l2_captureparm *cp = &sp->parm.capture;
1044
1045 cp->capability = V4L2_CAP_TIMEPERFRAME;
1046 cp->timeperframe.numerator = solo_enc->interval;
1047 cp->timeperframe.denominator = solo_enc->solo_dev->fps;
1048 cp->capturemode = 0;
1049 /* XXX: Shouldn't we be able to get/set this from videobuf? */
1050 cp->readbuffers = 2;
1051
1052 return 0;
1053 }
1054
1055 static inline int calc_interval(u8 fps, u32 n, u32 d)
1056 {
1057 if (!n || !d)
1058 return 1;
1059 if (d == fps)
1060 return n;
1061 n *= fps;
1062 return min(15U, n / d + (n % d >= (fps >> 1)));
1063 }
1064
1065 static int solo_s_parm(struct file *file, void *priv,
1066 struct v4l2_streamparm *sp)
1067 {
1068 struct solo_enc_dev *solo_enc = video_drvdata(file);
1069 struct v4l2_fract *t = &sp->parm.capture.timeperframe;
1070 u8 fps = solo_enc->solo_dev->fps;
1071
1072 if (vb2_is_streaming(&solo_enc->vidq))
1073 return -EBUSY;
1074
1075 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator);
1076 solo_update_mode(solo_enc);
1077 return solo_g_parm(file, priv, sp);
1078 }
1079
1080 static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
1081 {
1082 struct solo_enc_dev *solo_enc =
1083 container_of(ctrl->handler, struct solo_enc_dev, hdl);
1084 struct solo_dev *solo_dev = solo_enc->solo_dev;
1085 int err;
1086
1087 switch (ctrl->id) {
1088 case V4L2_CID_BRIGHTNESS:
1089 case V4L2_CID_CONTRAST:
1090 case V4L2_CID_SATURATION:
1091 case V4L2_CID_HUE:
1092 case V4L2_CID_SHARPNESS:
1093 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1094 ctrl->val);
1095 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1096 solo_enc->gop = ctrl->val;
1097 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop);
1098 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop);
1099 return 0;
1100 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1101 solo_enc->qp = ctrl->val;
1102 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp);
1103 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp);
1104 return 0;
1105 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD:
1106 solo_enc->motion_thresh = ctrl->val << 8;
1107 if (!solo_enc->motion_global || !solo_enc->motion_enabled)
1108 return 0;
1109 return solo_set_motion_threshold(solo_dev, solo_enc->ch,
1110 solo_enc->motion_thresh);
1111 case V4L2_CID_DETECT_MD_MODE:
1112 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL;
1113 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED;
1114 if (ctrl->val) {
1115 if (solo_enc->motion_global)
1116 err = solo_set_motion_threshold(solo_dev, solo_enc->ch,
1117 solo_enc->motion_thresh);
1118 else
1119 err = solo_set_motion_block(solo_dev, solo_enc->ch,
1120 solo_enc->md_thresholds->p_cur.p_u16);
1121 if (err)
1122 return err;
1123 }
1124 solo_motion_toggle(solo_enc, ctrl->val);
1125 return 0;
1126 case V4L2_CID_DETECT_MD_THRESHOLD_GRID:
1127 if (solo_enc->motion_enabled && !solo_enc->motion_global)
1128 return solo_set_motion_block(solo_dev, solo_enc->ch,
1129 solo_enc->md_thresholds->p_new.p_u16);
1130 break;
1131 case V4L2_CID_OSD_TEXT:
1132 strcpy(solo_enc->osd_text, ctrl->p_new.p_char);
1133 return solo_osd_print(solo_enc);
1134 default:
1135 return -EINVAL;
1136 }
1137
1138 return 0;
1139 }
1140
1141 static int solo_subscribe_event(struct v4l2_fh *fh,
1142 const struct v4l2_event_subscription *sub)
1143 {
1144
1145 switch (sub->type) {
1146 case V4L2_EVENT_CTRL:
1147 return v4l2_ctrl_subscribe_event(fh, sub);
1148 case V4L2_EVENT_MOTION_DET:
1149 /* Allow for up to 30 events (1 second for NTSC) to be
1150 * stored. */
1151 return v4l2_event_subscribe(fh, sub, 30, NULL);
1152 }
1153 return -EINVAL;
1154 }
1155
1156 static const struct v4l2_file_operations solo_enc_fops = {
1157 .owner = THIS_MODULE,
1158 .open = v4l2_fh_open,
1159 .release = vb2_fop_release,
1160 .read = vb2_fop_read,
1161 .poll = vb2_fop_poll,
1162 .mmap = vb2_fop_mmap,
1163 .unlocked_ioctl = video_ioctl2,
1164 };
1165
1166 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
1167 .vidioc_querycap = solo_enc_querycap,
1168 .vidioc_s_std = solo_enc_s_std,
1169 .vidioc_g_std = solo_enc_g_std,
1170 /* Input callbacks */
1171 .vidioc_enum_input = solo_enc_enum_input,
1172 .vidioc_s_input = solo_enc_set_input,
1173 .vidioc_g_input = solo_enc_get_input,
1174 /* Video capture format callbacks */
1175 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap,
1176 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap,
1177 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap,
1178 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap,
1179 /* Streaming I/O */
1180 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1181 .vidioc_querybuf = vb2_ioctl_querybuf,
1182 .vidioc_qbuf = vb2_ioctl_qbuf,
1183 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1184 .vidioc_streamon = vb2_ioctl_streamon,
1185 .vidioc_streamoff = vb2_ioctl_streamoff,
1186 /* Frame size and interval */
1187 .vidioc_enum_framesizes = solo_enum_framesizes,
1188 .vidioc_enum_frameintervals = solo_enum_frameintervals,
1189 /* Video capture parameters */
1190 .vidioc_s_parm = solo_s_parm,
1191 .vidioc_g_parm = solo_g_parm,
1192 /* Logging and events */
1193 .vidioc_log_status = v4l2_ctrl_log_status,
1194 .vidioc_subscribe_event = solo_subscribe_event,
1195 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1196 };
1197
1198 static const struct video_device solo_enc_template = {
1199 .name = SOLO6X10_NAME,
1200 .fops = &solo_enc_fops,
1201 .ioctl_ops = &solo_enc_ioctl_ops,
1202 .minor = -1,
1203 .release = video_device_release,
1204 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL,
1205 };
1206
1207 static const struct v4l2_ctrl_ops solo_ctrl_ops = {
1208 .s_ctrl = solo_s_ctrl,
1209 };
1210
1211 static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
1212 .ops = &solo_ctrl_ops,
1213 .id = V4L2_CID_OSD_TEXT,
1214 .name = "OSD Text",
1215 .type = V4L2_CTRL_TYPE_STRING,
1216 .max = OSD_TEXT_MAX,
1217 .step = 1,
1218 };
1219
1220 /* Motion Detection Threshold matrix */
1221 static const struct v4l2_ctrl_config solo_md_thresholds = {
1222 .ops = &solo_ctrl_ops,
1223 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID,
1224 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ },
1225 .def = SOLO_DEF_MOT_THRESH,
1226 .max = 65535,
1227 .step = 1,
1228 };
1229
1230 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
1231 u8 ch, unsigned nr)
1232 {
1233 struct solo_enc_dev *solo_enc;
1234 struct v4l2_ctrl_handler *hdl;
1235 int ret;
1236
1237 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL);
1238 if (!solo_enc)
1239 return ERR_PTR(-ENOMEM);
1240
1241 hdl = &solo_enc->hdl;
1242 solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev);
1243 if (IS_ERR(solo_enc->alloc_ctx)) {
1244 ret = PTR_ERR(solo_enc->alloc_ctx);
1245 goto hdl_free;
1246 }
1247 v4l2_ctrl_handler_init(hdl, 10);
1248 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1249 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1251 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1252 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1253 V4L2_CID_SATURATION, 0, 255, 1, 128);
1254 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1255 V4L2_CID_HUE, 0, 255, 1, 128);
1256 if (tw28_has_sharpness(solo_dev, ch))
1257 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1258 V4L2_CID_SHARPNESS, 0, 15, 1, 0);
1259 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1260 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps);
1261 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1262 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP);
1263 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops,
1264 V4L2_CID_DETECT_MD_MODE,
1265 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0,
1266 V4L2_DETECT_MD_MODE_DISABLED);
1267 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1268 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1,
1269 SOLO_DEF_MOT_THRESH >> 8);
1270 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
1271 solo_enc->md_thresholds =
1272 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL);
1273 if (hdl->error) {
1274 ret = hdl->error;
1275 goto hdl_free;
1276 }
1277
1278 solo_enc->solo_dev = solo_dev;
1279 solo_enc->ch = ch;
1280 mutex_init(&solo_enc->lock);
1281 spin_lock_init(&solo_enc->av_lock);
1282 INIT_LIST_HEAD(&solo_enc->vidq_active);
1283 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ?
1284 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264;
1285 solo_enc->type = SOLO_ENC_TYPE_STD;
1286
1287 solo_enc->qp = SOLO_DEFAULT_QP;
1288 solo_enc->gop = solo_dev->fps;
1289 solo_enc->interval = 1;
1290 solo_enc->mode = SOLO_ENC_MODE_CIF;
1291 solo_enc->motion_global = true;
1292 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
1293 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1294 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
1295 solo_enc->vidq.ops = &solo_enc_video_qops;
1296 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
1297 solo_enc->vidq.drv_priv = solo_enc;
1298 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
1299 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1300 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
1301 solo_enc->vidq.lock = &solo_enc->lock;
1302 ret = vb2_queue_init(&solo_enc->vidq);
1303 if (ret)
1304 goto hdl_free;
1305 solo_update_mode(solo_enc);
1306
1307 spin_lock_init(&solo_enc->motion_lock);
1308
1309 /* Initialize this per encoder */
1310 solo_enc->jpeg_len = sizeof(jpeg_header);
1311 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);
1312
1313 solo_enc->desc_nelts = 32;
1314 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev,
1315 sizeof(struct solo_p2m_desc) *
1316 solo_enc->desc_nelts,
1317 &solo_enc->desc_dma);
1318 ret = -ENOMEM;
1319 if (solo_enc->desc_items == NULL)
1320 goto hdl_free;
1321
1322 solo_enc->vfd = video_device_alloc();
1323 if (!solo_enc->vfd)
1324 goto pci_free;
1325
1326 *solo_enc->vfd = solo_enc_template;
1327 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
1328 solo_enc->vfd->ctrl_handler = hdl;
1329 solo_enc->vfd->queue = &solo_enc->vidq;
1330 solo_enc->vfd->lock = &solo_enc->lock;
1331 video_set_drvdata(solo_enc->vfd, solo_enc);
1332 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);
1333 if (ret < 0)
1334 goto vdev_release;
1335
1336 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
1337 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num,
1338 solo_enc->vfd->num);
1339
1340 return solo_enc;
1341
1342 vdev_release:
1343 video_device_release(solo_enc->vfd);
1344 pci_free:
1345 pci_free_consistent(solo_enc->solo_dev->pdev,
1346 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1347 solo_enc->desc_items, solo_enc->desc_dma);
1348 hdl_free:
1349 v4l2_ctrl_handler_free(hdl);
1350 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
1351 kfree(solo_enc);
1352 return ERR_PTR(ret);
1353 }
1354
1355 static void solo_enc_free(struct solo_enc_dev *solo_enc)
1356 {
1357 if (solo_enc == NULL)
1358 return;
1359
1360 pci_free_consistent(solo_enc->solo_dev->pdev,
1361 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1362 solo_enc->desc_items, solo_enc->desc_dma);
1363 video_unregister_device(solo_enc->vfd);
1364 v4l2_ctrl_handler_free(&solo_enc->hdl);
1365 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
1366 kfree(solo_enc);
1367 }
1368
1369 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
1370 {
1371 int i;
1372
1373 init_waitqueue_head(&solo_dev->ring_thread_wait);
1374
1375 solo_dev->vh_size = sizeof(vop_header);
1376 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev,
1377 solo_dev->vh_size,
1378 &solo_dev->vh_dma);
1379 if (solo_dev->vh_buf == NULL)
1380 return -ENOMEM;
1381
1382 for (i = 0; i < solo_dev->nr_chans; i++) {
1383 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr);
1384 if (IS_ERR(solo_dev->v4l2_enc[i]))
1385 break;
1386 }
1387
1388 if (i != solo_dev->nr_chans) {
1389 int ret = PTR_ERR(solo_dev->v4l2_enc[i]);
1390
1391 while (i--)
1392 solo_enc_free(solo_dev->v4l2_enc[i]);
1393 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1394 solo_dev->vh_buf, solo_dev->vh_dma);
1395 solo_dev->vh_buf = NULL;
1396 return ret;
1397 }
1398
1399 if (solo_dev->type == SOLO_DEV_6010)
1400 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
1401 else
1402 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5;
1403
1404 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
1405 solo_dev->v4l2_enc[0]->vfd->num,
1406 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);
1407
1408 return solo_ring_start(solo_dev);
1409 }
1410
1411 void solo_enc_v4l2_exit(struct solo_dev *solo_dev)
1412 {
1413 int i;
1414
1415 solo_ring_stop(solo_dev);
1416
1417 for (i = 0; i < solo_dev->nr_chans; i++)
1418 solo_enc_free(solo_dev->v4l2_enc[i]);
1419
1420 if (solo_dev->vh_buf)
1421 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1422 solo_dev->vh_buf, solo_dev->vh_dma);
1423 }
Linux with added FPC-III support