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[mirror_ubuntu-hirsute-kernel.git] / drivers / media / pci / solo6x10 / solo6x10-v4l2-enc.c
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 solo_dev *solo_dev = solo_enc->solo_dev;
462 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0);
463 int frame_size;
464
465 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
466
467 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len)
468 return -EIO;
469
470 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN);
471 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len);
472
473 return solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf,
474 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev),
475 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
476 SOLO_JPEG_EXT_SIZE(solo_dev));
477 }
478
479 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
480 struct vb2_buffer *vb, const vop_header *vh)
481 {
482 struct solo_dev *solo_dev = solo_enc->solo_dev;
483 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0);
484 int frame_off, frame_size;
485 int skip = 0;
486
487 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh))
488 return -EIO;
489
490 /* If this is a key frame, add extra header */
491 vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME |
492 V4L2_BUF_FLAG_BFRAME);
493 if (!vop_type(vh)) {
494 skip = solo_enc->vop_len;
495 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
496 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) +
497 solo_enc->vop_len);
498 } else {
499 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
500 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh));
501 }
502
503 /* Now get the actual mpeg payload */
504 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) +
505 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev);
506 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN);
507
508 return solo_send_desc(solo_enc, skip, vbuf, frame_off, frame_size,
509 SOLO_MP4E_EXT_ADDR(solo_dev),
510 SOLO_MP4E_EXT_SIZE(solo_dev));
511 }
512
513 static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
514 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf)
515 {
516 const vop_header *vh = enc_buf->vh;
517 int ret;
518
519 switch (solo_enc->fmt) {
520 case V4L2_PIX_FMT_MPEG4:
521 case V4L2_PIX_FMT_H264:
522 ret = solo_fill_mpeg(solo_enc, vb, vh);
523 break;
524 default: /* V4L2_PIX_FMT_MJPEG */
525 ret = solo_fill_jpeg(solo_enc, vb, vh);
526 break;
527 }
528
529 if (!ret) {
530 vb->v4l2_buf.sequence = solo_enc->sequence++;
531 vb->v4l2_buf.timestamp.tv_sec = vop_sec(vh);
532 vb->v4l2_buf.timestamp.tv_usec = vop_usec(vh);
533
534 /* Check for motion flags */
535 if (solo_is_motion_on(solo_enc) && enc_buf->motion) {
536 struct v4l2_event ev = {
537 .type = V4L2_EVENT_MOTION_DET,
538 .u.motion_det = {
539 .flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
540 .frame_sequence = vb->v4l2_buf.sequence,
541 .region_mask = enc_buf->motion ? 1 : 0,
542 },
543 };
544
545 v4l2_event_queue(solo_enc->vfd, &ev);
546 }
547 }
548
549 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
550
551 return ret;
552 }
553
554 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc,
555 struct solo_enc_buf *enc_buf)
556 {
557 struct solo_vb2_buf *vb;
558 unsigned long flags;
559
560 mutex_lock(&solo_enc->lock);
561 if (solo_enc->type != enc_buf->type)
562 goto unlock;
563
564 spin_lock_irqsave(&solo_enc->av_lock, flags);
565 if (list_empty(&solo_enc->vidq_active)) {
566 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
567 goto unlock;
568 }
569 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf,
570 list);
571 list_del(&vb->list);
572 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
573
574 solo_enc_fillbuf(solo_enc, &vb->vb, enc_buf);
575 unlock:
576 mutex_unlock(&solo_enc->lock);
577 }
578
579 void solo_enc_v4l2_isr(struct solo_dev *solo_dev)
580 {
581 wake_up_interruptible_all(&solo_dev->ring_thread_wait);
582 }
583
584 static void solo_handle_ring(struct solo_dev *solo_dev)
585 {
586 for (;;) {
587 struct solo_enc_dev *solo_enc;
588 struct solo_enc_buf enc_buf;
589 u32 mpeg_current, off;
590 u8 ch;
591 u8 cur_q;
592
593 /* Check if the hardware has any new ones in the queue */
594 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff;
595 if (cur_q == solo_dev->enc_idx)
596 break;
597
598 mpeg_current = solo_reg_read(solo_dev,
599 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
600 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS;
601
602 ch = (mpeg_current >> 24) & 0x1f;
603 off = mpeg_current & 0x00ffffff;
604
605 if (ch >= SOLO_MAX_CHANNELS) {
606 ch -= SOLO_MAX_CHANNELS;
607 enc_buf.type = SOLO_ENC_TYPE_EXT;
608 } else
609 enc_buf.type = SOLO_ENC_TYPE_STD;
610
611 solo_enc = solo_dev->v4l2_enc[ch];
612 if (solo_enc == NULL) {
613 dev_err(&solo_dev->pdev->dev,
614 "Got spurious packet for channel %d\n", ch);
615 continue;
616 }
617
618 /* FAIL... */
619 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off,
620 sizeof(vop_header)))
621 continue;
622
623 enc_buf.vh = solo_dev->vh_buf;
624
625 /* Sanity check */
626 if (vop_mpeg_offset(enc_buf.vh) !=
627 SOLO_MP4E_EXT_ADDR(solo_dev) + off)
628 continue;
629
630 if (solo_motion_detected(solo_enc))
631 enc_buf.motion = 1;
632 else
633 enc_buf.motion = 0;
634
635 solo_enc_handle_one(solo_enc, &enc_buf);
636 }
637 }
638
639 static int solo_ring_thread(void *data)
640 {
641 struct solo_dev *solo_dev = data;
642 DECLARE_WAITQUEUE(wait, current);
643
644 set_freezable();
645 add_wait_queue(&solo_dev->ring_thread_wait, &wait);
646
647 for (;;) {
648 long timeout = schedule_timeout_interruptible(HZ);
649
650 if (timeout == -ERESTARTSYS || kthread_should_stop())
651 break;
652 solo_handle_ring(solo_dev);
653 try_to_freeze();
654 }
655
656 remove_wait_queue(&solo_dev->ring_thread_wait, &wait);
657
658 return 0;
659 }
660
661 static int solo_enc_queue_setup(struct vb2_queue *q,
662 const struct v4l2_format *fmt,
663 unsigned int *num_buffers,
664 unsigned int *num_planes, unsigned int sizes[],
665 void *alloc_ctxs[])
666 {
667 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
668
669 sizes[0] = FRAME_BUF_SIZE;
670 alloc_ctxs[0] = solo_enc->alloc_ctx;
671 *num_planes = 1;
672
673 if (*num_buffers < MIN_VID_BUFFERS)
674 *num_buffers = MIN_VID_BUFFERS;
675
676 return 0;
677 }
678
679 static void solo_enc_buf_queue(struct vb2_buffer *vb)
680 {
681 struct vb2_queue *vq = vb->vb2_queue;
682 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq);
683 struct solo_vb2_buf *solo_vb =
684 container_of(vb, struct solo_vb2_buf, vb);
685
686 spin_lock(&solo_enc->av_lock);
687 list_add_tail(&solo_vb->list, &solo_enc->vidq_active);
688 spin_unlock(&solo_enc->av_lock);
689 }
690
691 static int solo_ring_start(struct solo_dev *solo_dev)
692 {
693 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev,
694 SOLO6X10_NAME "_ring");
695 if (IS_ERR(solo_dev->ring_thread)) {
696 int err = PTR_ERR(solo_dev->ring_thread);
697
698 solo_dev->ring_thread = NULL;
699 return err;
700 }
701
702 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
703
704 return 0;
705 }
706
707 static void solo_ring_stop(struct solo_dev *solo_dev)
708 {
709 if (solo_dev->ring_thread) {
710 kthread_stop(solo_dev->ring_thread);
711 solo_dev->ring_thread = NULL;
712 }
713
714 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
715 }
716
717 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count)
718 {
719 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
720
721 return solo_enc_on(solo_enc);
722 }
723
724 static void solo_enc_stop_streaming(struct vb2_queue *q)
725 {
726 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
727 unsigned long flags;
728
729 spin_lock_irqsave(&solo_enc->av_lock, flags);
730 solo_enc_off(solo_enc);
731 while (!list_empty(&solo_enc->vidq_active)) {
732 struct solo_vb2_buf *buf = list_entry(
733 solo_enc->vidq_active.next,
734 struct solo_vb2_buf, list);
735
736 list_del(&buf->list);
737 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
738 }
739 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
740 }
741
742 static void solo_enc_buf_finish(struct vb2_buffer *vb)
743 {
744 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue);
745 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0);
746
747 switch (solo_enc->fmt) {
748 case V4L2_PIX_FMT_MPEG4:
749 case V4L2_PIX_FMT_H264:
750 if (vb->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME)
751 sg_copy_from_buffer(vbuf->sgl, vbuf->nents,
752 solo_enc->vop, solo_enc->vop_len);
753 break;
754 default: /* V4L2_PIX_FMT_MJPEG */
755 sg_copy_from_buffer(vbuf->sgl, vbuf->nents,
756 solo_enc->jpeg_header, solo_enc->jpeg_len);
757 break;
758 }
759 }
760
761 static struct vb2_ops solo_enc_video_qops = {
762 .queue_setup = solo_enc_queue_setup,
763 .buf_queue = solo_enc_buf_queue,
764 .buf_finish = solo_enc_buf_finish,
765 .start_streaming = solo_enc_start_streaming,
766 .stop_streaming = solo_enc_stop_streaming,
767 .wait_prepare = vb2_ops_wait_prepare,
768 .wait_finish = vb2_ops_wait_finish,
769 };
770
771 static int solo_enc_querycap(struct file *file, void *priv,
772 struct v4l2_capability *cap)
773 {
774 struct solo_enc_dev *solo_enc = video_drvdata(file);
775 struct solo_dev *solo_dev = solo_enc->solo_dev;
776
777 strcpy(cap->driver, SOLO6X10_NAME);
778 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
779 solo_enc->ch);
780 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
781 pci_name(solo_dev->pdev));
782 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
783 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
784 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
785 return 0;
786 }
787
788 static int solo_enc_enum_input(struct file *file, void *priv,
789 struct v4l2_input *input)
790 {
791 struct solo_enc_dev *solo_enc = video_drvdata(file);
792 struct solo_dev *solo_dev = solo_enc->solo_dev;
793
794 if (input->index)
795 return -EINVAL;
796
797 snprintf(input->name, sizeof(input->name), "Encoder %d",
798 solo_enc->ch + 1);
799 input->type = V4L2_INPUT_TYPE_CAMERA;
800 input->std = solo_enc->vfd->tvnorms;
801
802 if (!tw28_get_video_status(solo_dev, solo_enc->ch))
803 input->status = V4L2_IN_ST_NO_SIGNAL;
804
805 return 0;
806 }
807
808 static int solo_enc_set_input(struct file *file, void *priv,
809 unsigned int index)
810 {
811 if (index)
812 return -EINVAL;
813
814 return 0;
815 }
816
817 static int solo_enc_get_input(struct file *file, void *priv,
818 unsigned int *index)
819 {
820 *index = 0;
821
822 return 0;
823 }
824
825 static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
826 struct v4l2_fmtdesc *f)
827 {
828 struct solo_enc_dev *solo_enc = video_drvdata(file);
829 int dev_type = solo_enc->solo_dev->type;
830
831 switch (f->index) {
832 case 0:
833 switch (dev_type) {
834 case SOLO_DEV_6010:
835 f->pixelformat = V4L2_PIX_FMT_MPEG4;
836 strcpy(f->description, "MPEG-4 part 2");
837 break;
838 case SOLO_DEV_6110:
839 f->pixelformat = V4L2_PIX_FMT_H264;
840 strcpy(f->description, "H.264");
841 break;
842 }
843 break;
844 case 1:
845 f->pixelformat = V4L2_PIX_FMT_MJPEG;
846 strcpy(f->description, "MJPEG");
847 break;
848 default:
849 return -EINVAL;
850 }
851
852 f->flags = V4L2_FMT_FLAG_COMPRESSED;
853
854 return 0;
855 }
856
857 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type)
858 {
859 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110)
860 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010)
861 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL;
862 }
863
864 static int solo_enc_try_fmt_cap(struct file *file, void *priv,
865 struct v4l2_format *f)
866 {
867 struct solo_enc_dev *solo_enc = video_drvdata(file);
868 struct solo_dev *solo_dev = solo_enc->solo_dev;
869 struct v4l2_pix_format *pix = &f->fmt.pix;
870
871 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type))
872 return -EINVAL;
873
874 if (pix->width < solo_dev->video_hsize ||
875 pix->height < solo_dev->video_vsize << 1) {
876 /* Default to CIF 1/2 size */
877 pix->width = solo_dev->video_hsize >> 1;
878 pix->height = solo_dev->video_vsize;
879 } else {
880 /* Full frame */
881 pix->width = solo_dev->video_hsize;
882 pix->height = solo_dev->video_vsize << 1;
883 }
884
885 switch (pix->field) {
886 case V4L2_FIELD_NONE:
887 case V4L2_FIELD_INTERLACED:
888 break;
889 case V4L2_FIELD_ANY:
890 default:
891 pix->field = V4L2_FIELD_INTERLACED;
892 break;
893 }
894
895 /* Just set these */
896 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
897 pix->sizeimage = FRAME_BUF_SIZE;
898 pix->bytesperline = 0;
899 pix->priv = 0;
900
901 return 0;
902 }
903
904 static int solo_enc_set_fmt_cap(struct file *file, void *priv,
905 struct v4l2_format *f)
906 {
907 struct solo_enc_dev *solo_enc = video_drvdata(file);
908 struct solo_dev *solo_dev = solo_enc->solo_dev;
909 struct v4l2_pix_format *pix = &f->fmt.pix;
910 int ret;
911
912 if (vb2_is_busy(&solo_enc->vidq))
913 return -EBUSY;
914
915 ret = solo_enc_try_fmt_cap(file, priv, f);
916 if (ret)
917 return ret;
918
919 if (pix->width == solo_dev->video_hsize)
920 solo_enc->mode = SOLO_ENC_MODE_D1;
921 else
922 solo_enc->mode = SOLO_ENC_MODE_CIF;
923
924 /* This does not change the encoder at all */
925 solo_enc->fmt = pix->pixelformat;
926
927 /*
928 * More information is needed about these 'extended' types. As far
929 * as I can tell these are basically additional video streams with
930 * different MPEG encoding attributes that can run in parallel with
931 * the main stream. If so, then this should be implemented as a
932 * second video node. Abusing priv like this is certainly not the
933 * right approach.
934 if (pix->priv)
935 solo_enc->type = SOLO_ENC_TYPE_EXT;
936 */
937 solo_update_mode(solo_enc);
938 return 0;
939 }
940
941 static int solo_enc_get_fmt_cap(struct file *file, void *priv,
942 struct v4l2_format *f)
943 {
944 struct solo_enc_dev *solo_enc = video_drvdata(file);
945 struct v4l2_pix_format *pix = &f->fmt.pix;
946
947 pix->width = solo_enc->width;
948 pix->height = solo_enc->height;
949 pix->pixelformat = solo_enc->fmt;
950 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
951 V4L2_FIELD_NONE;
952 pix->sizeimage = FRAME_BUF_SIZE;
953 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
954 pix->priv = 0;
955
956 return 0;
957 }
958
959 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i)
960 {
961 struct solo_enc_dev *solo_enc = video_drvdata(file);
962 struct solo_dev *solo_dev = solo_enc->solo_dev;
963
964 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
965 *i = V4L2_STD_NTSC_M;
966 else
967 *i = V4L2_STD_PAL;
968 return 0;
969 }
970
971 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std)
972 {
973 struct solo_enc_dev *solo_enc = video_drvdata(file);
974
975 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50);
976 }
977
978 static int solo_enum_framesizes(struct file *file, void *priv,
979 struct v4l2_frmsizeenum *fsize)
980 {
981 struct solo_enc_dev *solo_enc = video_drvdata(file);
982 struct solo_dev *solo_dev = solo_enc->solo_dev;
983
984 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type))
985 return -EINVAL;
986
987 switch (fsize->index) {
988 case 0:
989 fsize->discrete.width = solo_dev->video_hsize >> 1;
990 fsize->discrete.height = solo_dev->video_vsize;
991 break;
992 case 1:
993 fsize->discrete.width = solo_dev->video_hsize;
994 fsize->discrete.height = solo_dev->video_vsize << 1;
995 break;
996 default:
997 return -EINVAL;
998 }
999
1000 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
1001
1002 return 0;
1003 }
1004
1005 static int solo_enum_frameintervals(struct file *file, void *priv,
1006 struct v4l2_frmivalenum *fintv)
1007 {
1008 struct solo_enc_dev *solo_enc = video_drvdata(file);
1009 struct solo_dev *solo_dev = solo_enc->solo_dev;
1010
1011 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type))
1012 return -EINVAL;
1013 if (fintv->index)
1014 return -EINVAL;
1015 if ((fintv->width != solo_dev->video_hsize >> 1 ||
1016 fintv->height != solo_dev->video_vsize) &&
1017 (fintv->width != solo_dev->video_hsize ||
1018 fintv->height != solo_dev->video_vsize << 1))
1019 return -EINVAL;
1020
1021 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
1022
1023 fintv->stepwise.min.numerator = 1;
1024 fintv->stepwise.min.denominator = solo_dev->fps;
1025
1026 fintv->stepwise.max.numerator = 15;
1027 fintv->stepwise.max.denominator = solo_dev->fps;
1028
1029 fintv->stepwise.step.numerator = 1;
1030 fintv->stepwise.step.denominator = solo_dev->fps;
1031
1032 return 0;
1033 }
1034
1035 static int solo_g_parm(struct file *file, void *priv,
1036 struct v4l2_streamparm *sp)
1037 {
1038 struct solo_enc_dev *solo_enc = video_drvdata(file);
1039 struct v4l2_captureparm *cp = &sp->parm.capture;
1040
1041 cp->capability = V4L2_CAP_TIMEPERFRAME;
1042 cp->timeperframe.numerator = solo_enc->interval;
1043 cp->timeperframe.denominator = solo_enc->solo_dev->fps;
1044 cp->capturemode = 0;
1045 /* XXX: Shouldn't we be able to get/set this from videobuf? */
1046 cp->readbuffers = 2;
1047
1048 return 0;
1049 }
1050
1051 static inline int calc_interval(u8 fps, u32 n, u32 d)
1052 {
1053 if (!n || !d)
1054 return 1;
1055 if (d == fps)
1056 return n;
1057 n *= fps;
1058 return min(15U, n / d + (n % d >= (fps >> 1)));
1059 }
1060
1061 static int solo_s_parm(struct file *file, void *priv,
1062 struct v4l2_streamparm *sp)
1063 {
1064 struct solo_enc_dev *solo_enc = video_drvdata(file);
1065 struct v4l2_fract *t = &sp->parm.capture.timeperframe;
1066 u8 fps = solo_enc->solo_dev->fps;
1067
1068 if (vb2_is_streaming(&solo_enc->vidq))
1069 return -EBUSY;
1070
1071 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator);
1072 solo_update_mode(solo_enc);
1073 return solo_g_parm(file, priv, sp);
1074 }
1075
1076 static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
1077 {
1078 struct solo_enc_dev *solo_enc =
1079 container_of(ctrl->handler, struct solo_enc_dev, hdl);
1080 struct solo_dev *solo_dev = solo_enc->solo_dev;
1081 int err;
1082
1083 switch (ctrl->id) {
1084 case V4L2_CID_BRIGHTNESS:
1085 case V4L2_CID_CONTRAST:
1086 case V4L2_CID_SATURATION:
1087 case V4L2_CID_HUE:
1088 case V4L2_CID_SHARPNESS:
1089 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1090 ctrl->val);
1091 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1092 solo_enc->gop = ctrl->val;
1093 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop);
1094 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop);
1095 return 0;
1096 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1097 solo_enc->qp = ctrl->val;
1098 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp);
1099 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp);
1100 return 0;
1101 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD:
1102 solo_enc->motion_thresh = ctrl->val << 8;
1103 if (!solo_enc->motion_global || !solo_enc->motion_enabled)
1104 return 0;
1105 return solo_set_motion_threshold(solo_dev, solo_enc->ch,
1106 solo_enc->motion_thresh);
1107 case V4L2_CID_DETECT_MD_MODE:
1108 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL;
1109 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED;
1110 if (ctrl->val) {
1111 if (solo_enc->motion_global)
1112 err = solo_set_motion_threshold(solo_dev, solo_enc->ch,
1113 solo_enc->motion_thresh);
1114 else
1115 err = solo_set_motion_block(solo_dev, solo_enc->ch,
1116 solo_enc->md_thresholds->p_cur.p_u16);
1117 if (err)
1118 return err;
1119 }
1120 solo_motion_toggle(solo_enc, ctrl->val);
1121 return 0;
1122 case V4L2_CID_DETECT_MD_THRESHOLD_GRID:
1123 if (solo_enc->motion_enabled && !solo_enc->motion_global)
1124 return solo_set_motion_block(solo_dev, solo_enc->ch,
1125 solo_enc->md_thresholds->p_new.p_u16);
1126 break;
1127 case V4L2_CID_OSD_TEXT:
1128 strcpy(solo_enc->osd_text, ctrl->p_new.p_char);
1129 return solo_osd_print(solo_enc);
1130 default:
1131 return -EINVAL;
1132 }
1133
1134 return 0;
1135 }
1136
1137 static int solo_subscribe_event(struct v4l2_fh *fh,
1138 const struct v4l2_event_subscription *sub)
1139 {
1140
1141 switch (sub->type) {
1142 case V4L2_EVENT_CTRL:
1143 return v4l2_ctrl_subscribe_event(fh, sub);
1144 case V4L2_EVENT_MOTION_DET:
1145 /* Allow for up to 30 events (1 second for NTSC) to be
1146 * stored. */
1147 return v4l2_event_subscribe(fh, sub, 30, NULL);
1148 }
1149 return -EINVAL;
1150 }
1151
1152 static const struct v4l2_file_operations solo_enc_fops = {
1153 .owner = THIS_MODULE,
1154 .open = v4l2_fh_open,
1155 .release = vb2_fop_release,
1156 .read = vb2_fop_read,
1157 .poll = vb2_fop_poll,
1158 .mmap = vb2_fop_mmap,
1159 .unlocked_ioctl = video_ioctl2,
1160 };
1161
1162 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
1163 .vidioc_querycap = solo_enc_querycap,
1164 .vidioc_s_std = solo_enc_s_std,
1165 .vidioc_g_std = solo_enc_g_std,
1166 /* Input callbacks */
1167 .vidioc_enum_input = solo_enc_enum_input,
1168 .vidioc_s_input = solo_enc_set_input,
1169 .vidioc_g_input = solo_enc_get_input,
1170 /* Video capture format callbacks */
1171 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap,
1172 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap,
1173 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap,
1174 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap,
1175 /* Streaming I/O */
1176 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1177 .vidioc_querybuf = vb2_ioctl_querybuf,
1178 .vidioc_qbuf = vb2_ioctl_qbuf,
1179 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1180 .vidioc_streamon = vb2_ioctl_streamon,
1181 .vidioc_streamoff = vb2_ioctl_streamoff,
1182 /* Frame size and interval */
1183 .vidioc_enum_framesizes = solo_enum_framesizes,
1184 .vidioc_enum_frameintervals = solo_enum_frameintervals,
1185 /* Video capture parameters */
1186 .vidioc_s_parm = solo_s_parm,
1187 .vidioc_g_parm = solo_g_parm,
1188 /* Logging and events */
1189 .vidioc_log_status = v4l2_ctrl_log_status,
1190 .vidioc_subscribe_event = solo_subscribe_event,
1191 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1192 };
1193
1194 static const struct video_device solo_enc_template = {
1195 .name = SOLO6X10_NAME,
1196 .fops = &solo_enc_fops,
1197 .ioctl_ops = &solo_enc_ioctl_ops,
1198 .minor = -1,
1199 .release = video_device_release,
1200 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL,
1201 };
1202
1203 static const struct v4l2_ctrl_ops solo_ctrl_ops = {
1204 .s_ctrl = solo_s_ctrl,
1205 };
1206
1207 static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
1208 .ops = &solo_ctrl_ops,
1209 .id = V4L2_CID_OSD_TEXT,
1210 .name = "OSD Text",
1211 .type = V4L2_CTRL_TYPE_STRING,
1212 .max = OSD_TEXT_MAX,
1213 .step = 1,
1214 };
1215
1216 /* Motion Detection Threshold matrix */
1217 static const struct v4l2_ctrl_config solo_md_thresholds = {
1218 .ops = &solo_ctrl_ops,
1219 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID,
1220 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ },
1221 .def = SOLO_DEF_MOT_THRESH,
1222 .max = 65535,
1223 .step = 1,
1224 };
1225
1226 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
1227 u8 ch, unsigned nr)
1228 {
1229 struct solo_enc_dev *solo_enc;
1230 struct v4l2_ctrl_handler *hdl;
1231 int ret;
1232
1233 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL);
1234 if (!solo_enc)
1235 return ERR_PTR(-ENOMEM);
1236
1237 hdl = &solo_enc->hdl;
1238 solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev);
1239 if (IS_ERR(solo_enc->alloc_ctx)) {
1240 ret = PTR_ERR(solo_enc->alloc_ctx);
1241 goto hdl_free;
1242 }
1243 v4l2_ctrl_handler_init(hdl, 10);
1244 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1245 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1246 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1247 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1248 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1249 V4L2_CID_SATURATION, 0, 255, 1, 128);
1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1251 V4L2_CID_HUE, 0, 255, 1, 128);
1252 if (tw28_has_sharpness(solo_dev, ch))
1253 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1254 V4L2_CID_SHARPNESS, 0, 15, 1, 0);
1255 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1256 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps);
1257 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1258 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP);
1259 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops,
1260 V4L2_CID_DETECT_MD_MODE,
1261 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0,
1262 V4L2_DETECT_MD_MODE_DISABLED);
1263 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1264 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1,
1265 SOLO_DEF_MOT_THRESH >> 8);
1266 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
1267 solo_enc->md_thresholds =
1268 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL);
1269 if (hdl->error) {
1270 ret = hdl->error;
1271 goto hdl_free;
1272 }
1273
1274 solo_enc->solo_dev = solo_dev;
1275 solo_enc->ch = ch;
1276 mutex_init(&solo_enc->lock);
1277 spin_lock_init(&solo_enc->av_lock);
1278 INIT_LIST_HEAD(&solo_enc->vidq_active);
1279 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ?
1280 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264;
1281 solo_enc->type = SOLO_ENC_TYPE_STD;
1282
1283 solo_enc->qp = SOLO_DEFAULT_QP;
1284 solo_enc->gop = solo_dev->fps;
1285 solo_enc->interval = 1;
1286 solo_enc->mode = SOLO_ENC_MODE_CIF;
1287 solo_enc->motion_global = true;
1288 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
1289 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1290 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
1291 solo_enc->vidq.ops = &solo_enc_video_qops;
1292 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
1293 solo_enc->vidq.drv_priv = solo_enc;
1294 solo_enc->vidq.gfp_flags = __GFP_DMA32;
1295 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1296 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
1297 solo_enc->vidq.lock = &solo_enc->lock;
1298 ret = vb2_queue_init(&solo_enc->vidq);
1299 if (ret)
1300 goto hdl_free;
1301 solo_update_mode(solo_enc);
1302
1303 spin_lock_init(&solo_enc->motion_lock);
1304
1305 /* Initialize this per encoder */
1306 solo_enc->jpeg_len = sizeof(jpeg_header);
1307 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);
1308
1309 solo_enc->desc_nelts = 32;
1310 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev,
1311 sizeof(struct solo_p2m_desc) *
1312 solo_enc->desc_nelts,
1313 &solo_enc->desc_dma);
1314 ret = -ENOMEM;
1315 if (solo_enc->desc_items == NULL)
1316 goto hdl_free;
1317
1318 solo_enc->vfd = video_device_alloc();
1319 if (!solo_enc->vfd)
1320 goto pci_free;
1321
1322 *solo_enc->vfd = solo_enc_template;
1323 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
1324 solo_enc->vfd->ctrl_handler = hdl;
1325 solo_enc->vfd->queue = &solo_enc->vidq;
1326 solo_enc->vfd->lock = &solo_enc->lock;
1327 video_set_drvdata(solo_enc->vfd, solo_enc);
1328 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);
1329 if (ret < 0)
1330 goto vdev_release;
1331
1332 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
1333 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num,
1334 solo_enc->vfd->num);
1335
1336 return solo_enc;
1337
1338 vdev_release:
1339 video_device_release(solo_enc->vfd);
1340 pci_free:
1341 pci_free_consistent(solo_enc->solo_dev->pdev,
1342 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1343 solo_enc->desc_items, solo_enc->desc_dma);
1344 hdl_free:
1345 v4l2_ctrl_handler_free(hdl);
1346 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
1347 kfree(solo_enc);
1348 return ERR_PTR(ret);
1349 }
1350
1351 static void solo_enc_free(struct solo_enc_dev *solo_enc)
1352 {
1353 if (solo_enc == NULL)
1354 return;
1355
1356 pci_free_consistent(solo_enc->solo_dev->pdev,
1357 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1358 solo_enc->desc_items, solo_enc->desc_dma);
1359 video_unregister_device(solo_enc->vfd);
1360 v4l2_ctrl_handler_free(&solo_enc->hdl);
1361 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
1362 kfree(solo_enc);
1363 }
1364
1365 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
1366 {
1367 int i;
1368
1369 init_waitqueue_head(&solo_dev->ring_thread_wait);
1370
1371 solo_dev->vh_size = sizeof(vop_header);
1372 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev,
1373 solo_dev->vh_size,
1374 &solo_dev->vh_dma);
1375 if (solo_dev->vh_buf == NULL)
1376 return -ENOMEM;
1377
1378 for (i = 0; i < solo_dev->nr_chans; i++) {
1379 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr);
1380 if (IS_ERR(solo_dev->v4l2_enc[i]))
1381 break;
1382 }
1383
1384 if (i != solo_dev->nr_chans) {
1385 int ret = PTR_ERR(solo_dev->v4l2_enc[i]);
1386
1387 while (i--)
1388 solo_enc_free(solo_dev->v4l2_enc[i]);
1389 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1390 solo_dev->vh_buf, solo_dev->vh_dma);
1391 solo_dev->vh_buf = NULL;
1392 return ret;
1393 }
1394
1395 if (solo_dev->type == SOLO_DEV_6010)
1396 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
1397 else
1398 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5;
1399
1400 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
1401 solo_dev->v4l2_enc[0]->vfd->num,
1402 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);
1403
1404 return solo_ring_start(solo_dev);
1405 }
1406
1407 void solo_enc_v4l2_exit(struct solo_dev *solo_dev)
1408 {
1409 int i;
1410
1411 solo_ring_stop(solo_dev);
1412
1413 for (i = 0; i < solo_dev->nr_chans; i++)
1414 solo_enc_free(solo_dev->v4l2_enc[i]);
1415
1416 if (solo_dev->vh_buf)
1417 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1418 solo_dev->vh_buf, solo_dev->vh_dma);
1419 }
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