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Merge tag 'iommu-updates-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro...
[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 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 vbuf->timestamp.tv_sec = vop_sec(vh);
535 vbuf->timestamp.tv_usec = vop_usec(vh);
536
537 /* Check for motion flags */
538 if (solo_is_motion_on(solo_enc) && enc_buf->motion) {
539 struct v4l2_event ev = {
540 .type = V4L2_EVENT_MOTION_DET,
541 .u.motion_det = {
542 .flags
543 = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
544 .frame_sequence = vbuf->sequence,
545 .region_mask = enc_buf->motion ? 1 : 0,
546 },
547 };
548
549 v4l2_event_queue(solo_enc->vfd, &ev);
550 }
551 }
552
553 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
554
555 return ret;
556 }
557
558 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc,
559 struct solo_enc_buf *enc_buf)
560 {
561 struct solo_vb2_buf *vb;
562 unsigned long flags;
563
564 mutex_lock(&solo_enc->lock);
565 if (solo_enc->type != enc_buf->type)
566 goto unlock;
567
568 spin_lock_irqsave(&solo_enc->av_lock, flags);
569 if (list_empty(&solo_enc->vidq_active)) {
570 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
571 goto unlock;
572 }
573 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf,
574 list);
575 list_del(&vb->list);
576 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
577
578 solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf);
579 unlock:
580 mutex_unlock(&solo_enc->lock);
581 }
582
583 void solo_enc_v4l2_isr(struct solo_dev *solo_dev)
584 {
585 wake_up_interruptible_all(&solo_dev->ring_thread_wait);
586 }
587
588 static void solo_handle_ring(struct solo_dev *solo_dev)
589 {
590 for (;;) {
591 struct solo_enc_dev *solo_enc;
592 struct solo_enc_buf enc_buf;
593 u32 mpeg_current, off;
594 u8 ch;
595 u8 cur_q;
596
597 /* Check if the hardware has any new ones in the queue */
598 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff;
599 if (cur_q == solo_dev->enc_idx)
600 break;
601
602 mpeg_current = solo_reg_read(solo_dev,
603 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
604 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS;
605
606 ch = (mpeg_current >> 24) & 0x1f;
607 off = mpeg_current & 0x00ffffff;
608
609 if (ch >= SOLO_MAX_CHANNELS) {
610 ch -= SOLO_MAX_CHANNELS;
611 enc_buf.type = SOLO_ENC_TYPE_EXT;
612 } else
613 enc_buf.type = SOLO_ENC_TYPE_STD;
614
615 solo_enc = solo_dev->v4l2_enc[ch];
616 if (solo_enc == NULL) {
617 dev_err(&solo_dev->pdev->dev,
618 "Got spurious packet for channel %d\n", ch);
619 continue;
620 }
621
622 /* FAIL... */
623 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off,
624 sizeof(vop_header)))
625 continue;
626
627 enc_buf.vh = solo_dev->vh_buf;
628
629 /* Sanity check */
630 if (vop_mpeg_offset(enc_buf.vh) !=
631 SOLO_MP4E_EXT_ADDR(solo_dev) + off)
632 continue;
633
634 if (solo_motion_detected(solo_enc))
635 enc_buf.motion = 1;
636 else
637 enc_buf.motion = 0;
638
639 solo_enc_handle_one(solo_enc, &enc_buf);
640 }
641 }
642
643 static int solo_ring_thread(void *data)
644 {
645 struct solo_dev *solo_dev = data;
646 DECLARE_WAITQUEUE(wait, current);
647
648 set_freezable();
649 add_wait_queue(&solo_dev->ring_thread_wait, &wait);
650
651 for (;;) {
652 long timeout = schedule_timeout_interruptible(HZ);
653
654 if (timeout == -ERESTARTSYS || kthread_should_stop())
655 break;
656 solo_handle_ring(solo_dev);
657 try_to_freeze();
658 }
659
660 remove_wait_queue(&solo_dev->ring_thread_wait, &wait);
661
662 return 0;
663 }
664
665 static int solo_enc_queue_setup(struct vb2_queue *q,
666 const void *parg,
667 unsigned int *num_buffers,
668 unsigned int *num_planes, unsigned int sizes[],
669 void *alloc_ctxs[])
670 {
671 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
672
673 sizes[0] = FRAME_BUF_SIZE;
674 alloc_ctxs[0] = solo_enc->alloc_ctx;
675 *num_planes = 1;
676
677 if (*num_buffers < MIN_VID_BUFFERS)
678 *num_buffers = MIN_VID_BUFFERS;
679
680 return 0;
681 }
682
683 static void solo_enc_buf_queue(struct vb2_buffer *vb)
684 {
685 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
686 struct vb2_queue *vq = vb->vb2_queue;
687 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq);
688 struct solo_vb2_buf *solo_vb =
689 container_of(vbuf, struct solo_vb2_buf, vb);
690
691 spin_lock(&solo_enc->av_lock);
692 list_add_tail(&solo_vb->list, &solo_enc->vidq_active);
693 spin_unlock(&solo_enc->av_lock);
694 }
695
696 static int solo_ring_start(struct solo_dev *solo_dev)
697 {
698 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev,
699 SOLO6X10_NAME "_ring");
700 if (IS_ERR(solo_dev->ring_thread)) {
701 int err = PTR_ERR(solo_dev->ring_thread);
702
703 solo_dev->ring_thread = NULL;
704 return err;
705 }
706
707 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
708
709 return 0;
710 }
711
712 static void solo_ring_stop(struct solo_dev *solo_dev)
713 {
714 if (solo_dev->ring_thread) {
715 kthread_stop(solo_dev->ring_thread);
716 solo_dev->ring_thread = NULL;
717 }
718
719 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
720 }
721
722 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count)
723 {
724 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
725
726 return solo_enc_on(solo_enc);
727 }
728
729 static void solo_enc_stop_streaming(struct vb2_queue *q)
730 {
731 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
732 unsigned long flags;
733
734 spin_lock_irqsave(&solo_enc->av_lock, flags);
735 solo_enc_off(solo_enc);
736 while (!list_empty(&solo_enc->vidq_active)) {
737 struct solo_vb2_buf *buf = list_entry(
738 solo_enc->vidq_active.next,
739 struct solo_vb2_buf, list);
740
741 list_del(&buf->list);
742 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
743 }
744 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
745 }
746
747 static void solo_enc_buf_finish(struct vb2_buffer *vb)
748 {
749 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
750 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue);
751 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
752
753 switch (solo_enc->fmt) {
754 case V4L2_PIX_FMT_MPEG4:
755 case V4L2_PIX_FMT_H264:
756 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
757 sg_copy_from_buffer(sgt->sgl, sgt->nents,
758 solo_enc->vop, solo_enc->vop_len);
759 break;
760 default: /* V4L2_PIX_FMT_MJPEG */
761 sg_copy_from_buffer(sgt->sgl, sgt->nents,
762 solo_enc->jpeg_header, solo_enc->jpeg_len);
763 break;
764 }
765 }
766
767 static struct vb2_ops solo_enc_video_qops = {
768 .queue_setup = solo_enc_queue_setup,
769 .buf_queue = solo_enc_buf_queue,
770 .buf_finish = solo_enc_buf_finish,
771 .start_streaming = solo_enc_start_streaming,
772 .stop_streaming = solo_enc_stop_streaming,
773 .wait_prepare = vb2_ops_wait_prepare,
774 .wait_finish = vb2_ops_wait_finish,
775 };
776
777 static int solo_enc_querycap(struct file *file, void *priv,
778 struct v4l2_capability *cap)
779 {
780 struct solo_enc_dev *solo_enc = video_drvdata(file);
781 struct solo_dev *solo_dev = solo_enc->solo_dev;
782
783 strcpy(cap->driver, SOLO6X10_NAME);
784 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
785 solo_enc->ch);
786 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
787 pci_name(solo_dev->pdev));
788 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
789 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
790 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
791 return 0;
792 }
793
794 static int solo_enc_enum_input(struct file *file, void *priv,
795 struct v4l2_input *input)
796 {
797 struct solo_enc_dev *solo_enc = video_drvdata(file);
798 struct solo_dev *solo_dev = solo_enc->solo_dev;
799
800 if (input->index)
801 return -EINVAL;
802
803 snprintf(input->name, sizeof(input->name), "Encoder %d",
804 solo_enc->ch + 1);
805 input->type = V4L2_INPUT_TYPE_CAMERA;
806 input->std = solo_enc->vfd->tvnorms;
807
808 if (!tw28_get_video_status(solo_dev, solo_enc->ch))
809 input->status = V4L2_IN_ST_NO_SIGNAL;
810
811 return 0;
812 }
813
814 static int solo_enc_set_input(struct file *file, void *priv,
815 unsigned int index)
816 {
817 if (index)
818 return -EINVAL;
819
820 return 0;
821 }
822
823 static int solo_enc_get_input(struct file *file, void *priv,
824 unsigned int *index)
825 {
826 *index = 0;
827
828 return 0;
829 }
830
831 static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
832 struct v4l2_fmtdesc *f)
833 {
834 struct solo_enc_dev *solo_enc = video_drvdata(file);
835 int dev_type = solo_enc->solo_dev->type;
836
837 switch (f->index) {
838 case 0:
839 switch (dev_type) {
840 case SOLO_DEV_6010:
841 f->pixelformat = V4L2_PIX_FMT_MPEG4;
842 strcpy(f->description, "MPEG-4 part 2");
843 break;
844 case SOLO_DEV_6110:
845 f->pixelformat = V4L2_PIX_FMT_H264;
846 strcpy(f->description, "H.264");
847 break;
848 }
849 break;
850 case 1:
851 f->pixelformat = V4L2_PIX_FMT_MJPEG;
852 strcpy(f->description, "MJPEG");
853 break;
854 default:
855 return -EINVAL;
856 }
857
858 f->flags = V4L2_FMT_FLAG_COMPRESSED;
859
860 return 0;
861 }
862
863 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type)
864 {
865 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110)
866 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010)
867 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL;
868 }
869
870 static int solo_enc_try_fmt_cap(struct file *file, void *priv,
871 struct v4l2_format *f)
872 {
873 struct solo_enc_dev *solo_enc = video_drvdata(file);
874 struct solo_dev *solo_dev = solo_enc->solo_dev;
875 struct v4l2_pix_format *pix = &f->fmt.pix;
876
877 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type))
878 return -EINVAL;
879
880 if (pix->width < solo_dev->video_hsize ||
881 pix->height < solo_dev->video_vsize << 1) {
882 /* Default to CIF 1/2 size */
883 pix->width = solo_dev->video_hsize >> 1;
884 pix->height = solo_dev->video_vsize;
885 } else {
886 /* Full frame */
887 pix->width = solo_dev->video_hsize;
888 pix->height = solo_dev->video_vsize << 1;
889 }
890
891 switch (pix->field) {
892 case V4L2_FIELD_NONE:
893 case V4L2_FIELD_INTERLACED:
894 break;
895 case V4L2_FIELD_ANY:
896 default:
897 pix->field = V4L2_FIELD_INTERLACED;
898 break;
899 }
900
901 /* Just set these */
902 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
903 pix->sizeimage = FRAME_BUF_SIZE;
904 pix->bytesperline = 0;
905 pix->priv = 0;
906
907 return 0;
908 }
909
910 static int solo_enc_set_fmt_cap(struct file *file, void *priv,
911 struct v4l2_format *f)
912 {
913 struct solo_enc_dev *solo_enc = video_drvdata(file);
914 struct solo_dev *solo_dev = solo_enc->solo_dev;
915 struct v4l2_pix_format *pix = &f->fmt.pix;
916 int ret;
917
918 if (vb2_is_busy(&solo_enc->vidq))
919 return -EBUSY;
920
921 ret = solo_enc_try_fmt_cap(file, priv, f);
922 if (ret)
923 return ret;
924
925 if (pix->width == solo_dev->video_hsize)
926 solo_enc->mode = SOLO_ENC_MODE_D1;
927 else
928 solo_enc->mode = SOLO_ENC_MODE_CIF;
929
930 /* This does not change the encoder at all */
931 solo_enc->fmt = pix->pixelformat;
932
933 /*
934 * More information is needed about these 'extended' types. As far
935 * as I can tell these are basically additional video streams with
936 * different MPEG encoding attributes that can run in parallel with
937 * the main stream. If so, then this should be implemented as a
938 * second video node. Abusing priv like this is certainly not the
939 * right approach.
940 if (pix->priv)
941 solo_enc->type = SOLO_ENC_TYPE_EXT;
942 */
943 solo_update_mode(solo_enc);
944 return 0;
945 }
946
947 static int solo_enc_get_fmt_cap(struct file *file, void *priv,
948 struct v4l2_format *f)
949 {
950 struct solo_enc_dev *solo_enc = video_drvdata(file);
951 struct v4l2_pix_format *pix = &f->fmt.pix;
952
953 pix->width = solo_enc->width;
954 pix->height = solo_enc->height;
955 pix->pixelformat = solo_enc->fmt;
956 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
957 V4L2_FIELD_NONE;
958 pix->sizeimage = FRAME_BUF_SIZE;
959 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
960 pix->priv = 0;
961
962 return 0;
963 }
964
965 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i)
966 {
967 struct solo_enc_dev *solo_enc = video_drvdata(file);
968 struct solo_dev *solo_dev = solo_enc->solo_dev;
969
970 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
971 *i = V4L2_STD_NTSC_M;
972 else
973 *i = V4L2_STD_PAL;
974 return 0;
975 }
976
977 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std)
978 {
979 struct solo_enc_dev *solo_enc = video_drvdata(file);
980
981 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50);
982 }
983
984 static int solo_enum_framesizes(struct file *file, void *priv,
985 struct v4l2_frmsizeenum *fsize)
986 {
987 struct solo_enc_dev *solo_enc = video_drvdata(file);
988 struct solo_dev *solo_dev = solo_enc->solo_dev;
989
990 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type))
991 return -EINVAL;
992
993 switch (fsize->index) {
994 case 0:
995 fsize->discrete.width = solo_dev->video_hsize >> 1;
996 fsize->discrete.height = solo_dev->video_vsize;
997 break;
998 case 1:
999 fsize->discrete.width = solo_dev->video_hsize;
1000 fsize->discrete.height = solo_dev->video_vsize << 1;
1001 break;
1002 default:
1003 return -EINVAL;
1004 }
1005
1006 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
1007
1008 return 0;
1009 }
1010
1011 static int solo_enum_frameintervals(struct file *file, void *priv,
1012 struct v4l2_frmivalenum *fintv)
1013 {
1014 struct solo_enc_dev *solo_enc = video_drvdata(file);
1015 struct solo_dev *solo_dev = solo_enc->solo_dev;
1016
1017 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type))
1018 return -EINVAL;
1019 if (fintv->index)
1020 return -EINVAL;
1021 if ((fintv->width != solo_dev->video_hsize >> 1 ||
1022 fintv->height != solo_dev->video_vsize) &&
1023 (fintv->width != solo_dev->video_hsize ||
1024 fintv->height != solo_dev->video_vsize << 1))
1025 return -EINVAL;
1026
1027 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
1028
1029 fintv->stepwise.min.numerator = 1;
1030 fintv->stepwise.min.denominator = solo_dev->fps;
1031
1032 fintv->stepwise.max.numerator = 15;
1033 fintv->stepwise.max.denominator = solo_dev->fps;
1034
1035 fintv->stepwise.step.numerator = 1;
1036 fintv->stepwise.step.denominator = solo_dev->fps;
1037
1038 return 0;
1039 }
1040
1041 static int solo_g_parm(struct file *file, void *priv,
1042 struct v4l2_streamparm *sp)
1043 {
1044 struct solo_enc_dev *solo_enc = video_drvdata(file);
1045 struct v4l2_captureparm *cp = &sp->parm.capture;
1046
1047 cp->capability = V4L2_CAP_TIMEPERFRAME;
1048 cp->timeperframe.numerator = solo_enc->interval;
1049 cp->timeperframe.denominator = solo_enc->solo_dev->fps;
1050 cp->capturemode = 0;
1051 /* XXX: Shouldn't we be able to get/set this from videobuf? */
1052 cp->readbuffers = 2;
1053
1054 return 0;
1055 }
1056
1057 static inline int calc_interval(u8 fps, u32 n, u32 d)
1058 {
1059 if (!n || !d)
1060 return 1;
1061 if (d == fps)
1062 return n;
1063 n *= fps;
1064 return min(15U, n / d + (n % d >= (fps >> 1)));
1065 }
1066
1067 static int solo_s_parm(struct file *file, void *priv,
1068 struct v4l2_streamparm *sp)
1069 {
1070 struct solo_enc_dev *solo_enc = video_drvdata(file);
1071 struct v4l2_fract *t = &sp->parm.capture.timeperframe;
1072 u8 fps = solo_enc->solo_dev->fps;
1073
1074 if (vb2_is_streaming(&solo_enc->vidq))
1075 return -EBUSY;
1076
1077 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator);
1078 solo_update_mode(solo_enc);
1079 return solo_g_parm(file, priv, sp);
1080 }
1081
1082 static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
1083 {
1084 struct solo_enc_dev *solo_enc =
1085 container_of(ctrl->handler, struct solo_enc_dev, hdl);
1086 struct solo_dev *solo_dev = solo_enc->solo_dev;
1087 int err;
1088
1089 switch (ctrl->id) {
1090 case V4L2_CID_BRIGHTNESS:
1091 case V4L2_CID_CONTRAST:
1092 case V4L2_CID_SATURATION:
1093 case V4L2_CID_HUE:
1094 case V4L2_CID_SHARPNESS:
1095 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1096 ctrl->val);
1097 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1098 solo_enc->gop = ctrl->val;
1099 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop);
1100 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop);
1101 return 0;
1102 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1103 solo_enc->qp = ctrl->val;
1104 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp);
1105 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp);
1106 return 0;
1107 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD:
1108 solo_enc->motion_thresh = ctrl->val << 8;
1109 if (!solo_enc->motion_global || !solo_enc->motion_enabled)
1110 return 0;
1111 return solo_set_motion_threshold(solo_dev, solo_enc->ch,
1112 solo_enc->motion_thresh);
1113 case V4L2_CID_DETECT_MD_MODE:
1114 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL;
1115 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED;
1116 if (ctrl->val) {
1117 if (solo_enc->motion_global)
1118 err = solo_set_motion_threshold(solo_dev, solo_enc->ch,
1119 solo_enc->motion_thresh);
1120 else
1121 err = solo_set_motion_block(solo_dev, solo_enc->ch,
1122 solo_enc->md_thresholds->p_cur.p_u16);
1123 if (err)
1124 return err;
1125 }
1126 solo_motion_toggle(solo_enc, ctrl->val);
1127 return 0;
1128 case V4L2_CID_DETECT_MD_THRESHOLD_GRID:
1129 if (solo_enc->motion_enabled && !solo_enc->motion_global)
1130 return solo_set_motion_block(solo_dev, solo_enc->ch,
1131 solo_enc->md_thresholds->p_new.p_u16);
1132 break;
1133 case V4L2_CID_OSD_TEXT:
1134 strcpy(solo_enc->osd_text, ctrl->p_new.p_char);
1135 return solo_osd_print(solo_enc);
1136 default:
1137 return -EINVAL;
1138 }
1139
1140 return 0;
1141 }
1142
1143 static int solo_subscribe_event(struct v4l2_fh *fh,
1144 const struct v4l2_event_subscription *sub)
1145 {
1146
1147 switch (sub->type) {
1148 case V4L2_EVENT_CTRL:
1149 return v4l2_ctrl_subscribe_event(fh, sub);
1150 case V4L2_EVENT_MOTION_DET:
1151 /* Allow for up to 30 events (1 second for NTSC) to be
1152 * stored. */
1153 return v4l2_event_subscribe(fh, sub, 30, NULL);
1154 }
1155 return -EINVAL;
1156 }
1157
1158 static const struct v4l2_file_operations solo_enc_fops = {
1159 .owner = THIS_MODULE,
1160 .open = v4l2_fh_open,
1161 .release = vb2_fop_release,
1162 .read = vb2_fop_read,
1163 .poll = vb2_fop_poll,
1164 .mmap = vb2_fop_mmap,
1165 .unlocked_ioctl = video_ioctl2,
1166 };
1167
1168 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
1169 .vidioc_querycap = solo_enc_querycap,
1170 .vidioc_s_std = solo_enc_s_std,
1171 .vidioc_g_std = solo_enc_g_std,
1172 /* Input callbacks */
1173 .vidioc_enum_input = solo_enc_enum_input,
1174 .vidioc_s_input = solo_enc_set_input,
1175 .vidioc_g_input = solo_enc_get_input,
1176 /* Video capture format callbacks */
1177 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap,
1178 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap,
1179 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap,
1180 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap,
1181 /* Streaming I/O */
1182 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1183 .vidioc_querybuf = vb2_ioctl_querybuf,
1184 .vidioc_qbuf = vb2_ioctl_qbuf,
1185 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1186 .vidioc_streamon = vb2_ioctl_streamon,
1187 .vidioc_streamoff = vb2_ioctl_streamoff,
1188 /* Frame size and interval */
1189 .vidioc_enum_framesizes = solo_enum_framesizes,
1190 .vidioc_enum_frameintervals = solo_enum_frameintervals,
1191 /* Video capture parameters */
1192 .vidioc_s_parm = solo_s_parm,
1193 .vidioc_g_parm = solo_g_parm,
1194 /* Logging and events */
1195 .vidioc_log_status = v4l2_ctrl_log_status,
1196 .vidioc_subscribe_event = solo_subscribe_event,
1197 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1198 };
1199
1200 static const struct video_device solo_enc_template = {
1201 .name = SOLO6X10_NAME,
1202 .fops = &solo_enc_fops,
1203 .ioctl_ops = &solo_enc_ioctl_ops,
1204 .minor = -1,
1205 .release = video_device_release,
1206 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL,
1207 };
1208
1209 static const struct v4l2_ctrl_ops solo_ctrl_ops = {
1210 .s_ctrl = solo_s_ctrl,
1211 };
1212
1213 static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
1214 .ops = &solo_ctrl_ops,
1215 .id = V4L2_CID_OSD_TEXT,
1216 .name = "OSD Text",
1217 .type = V4L2_CTRL_TYPE_STRING,
1218 .max = OSD_TEXT_MAX,
1219 .step = 1,
1220 };
1221
1222 /* Motion Detection Threshold matrix */
1223 static const struct v4l2_ctrl_config solo_md_thresholds = {
1224 .ops = &solo_ctrl_ops,
1225 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID,
1226 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ },
1227 .def = SOLO_DEF_MOT_THRESH,
1228 .max = 65535,
1229 .step = 1,
1230 };
1231
1232 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
1233 u8 ch, unsigned nr)
1234 {
1235 struct solo_enc_dev *solo_enc;
1236 struct v4l2_ctrl_handler *hdl;
1237 int ret;
1238
1239 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL);
1240 if (!solo_enc)
1241 return ERR_PTR(-ENOMEM);
1242
1243 hdl = &solo_enc->hdl;
1244 solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev);
1245 if (IS_ERR(solo_enc->alloc_ctx)) {
1246 ret = PTR_ERR(solo_enc->alloc_ctx);
1247 goto hdl_free;
1248 }
1249 v4l2_ctrl_handler_init(hdl, 10);
1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1251 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1252 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1253 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1254 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1255 V4L2_CID_SATURATION, 0, 255, 1, 128);
1256 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1257 V4L2_CID_HUE, 0, 255, 1, 128);
1258 if (tw28_has_sharpness(solo_dev, ch))
1259 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1260 V4L2_CID_SHARPNESS, 0, 15, 1, 0);
1261 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1262 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps);
1263 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1264 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP);
1265 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops,
1266 V4L2_CID_DETECT_MD_MODE,
1267 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0,
1268 V4L2_DETECT_MD_MODE_DISABLED);
1269 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1270 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1,
1271 SOLO_DEF_MOT_THRESH >> 8);
1272 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
1273 solo_enc->md_thresholds =
1274 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL);
1275 if (hdl->error) {
1276 ret = hdl->error;
1277 goto hdl_free;
1278 }
1279
1280 solo_enc->solo_dev = solo_dev;
1281 solo_enc->ch = ch;
1282 mutex_init(&solo_enc->lock);
1283 spin_lock_init(&solo_enc->av_lock);
1284 INIT_LIST_HEAD(&solo_enc->vidq_active);
1285 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ?
1286 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264;
1287 solo_enc->type = SOLO_ENC_TYPE_STD;
1288
1289 solo_enc->qp = SOLO_DEFAULT_QP;
1290 solo_enc->gop = solo_dev->fps;
1291 solo_enc->interval = 1;
1292 solo_enc->mode = SOLO_ENC_MODE_CIF;
1293 solo_enc->motion_global = true;
1294 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
1295 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1296 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
1297 solo_enc->vidq.ops = &solo_enc_video_qops;
1298 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
1299 solo_enc->vidq.drv_priv = solo_enc;
1300 solo_enc->vidq.gfp_flags = __GFP_DMA32;
1301 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1302 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
1303 solo_enc->vidq.lock = &solo_enc->lock;
1304 ret = vb2_queue_init(&solo_enc->vidq);
1305 if (ret)
1306 goto hdl_free;
1307 solo_update_mode(solo_enc);
1308
1309 spin_lock_init(&solo_enc->motion_lock);
1310
1311 /* Initialize this per encoder */
1312 solo_enc->jpeg_len = sizeof(jpeg_header);
1313 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);
1314
1315 solo_enc->desc_nelts = 32;
1316 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev,
1317 sizeof(struct solo_p2m_desc) *
1318 solo_enc->desc_nelts,
1319 &solo_enc->desc_dma);
1320 ret = -ENOMEM;
1321 if (solo_enc->desc_items == NULL)
1322 goto hdl_free;
1323
1324 solo_enc->vfd = video_device_alloc();
1325 if (!solo_enc->vfd)
1326 goto pci_free;
1327
1328 *solo_enc->vfd = solo_enc_template;
1329 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
1330 solo_enc->vfd->ctrl_handler = hdl;
1331 solo_enc->vfd->queue = &solo_enc->vidq;
1332 solo_enc->vfd->lock = &solo_enc->lock;
1333 video_set_drvdata(solo_enc->vfd, solo_enc);
1334 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);
1335 if (ret < 0)
1336 goto vdev_release;
1337
1338 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
1339 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num,
1340 solo_enc->vfd->num);
1341
1342 return solo_enc;
1343
1344 vdev_release:
1345 video_device_release(solo_enc->vfd);
1346 pci_free:
1347 pci_free_consistent(solo_enc->solo_dev->pdev,
1348 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1349 solo_enc->desc_items, solo_enc->desc_dma);
1350 hdl_free:
1351 v4l2_ctrl_handler_free(hdl);
1352 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
1353 kfree(solo_enc);
1354 return ERR_PTR(ret);
1355 }
1356
1357 static void solo_enc_free(struct solo_enc_dev *solo_enc)
1358 {
1359 if (solo_enc == NULL)
1360 return;
1361
1362 pci_free_consistent(solo_enc->solo_dev->pdev,
1363 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1364 solo_enc->desc_items, solo_enc->desc_dma);
1365 video_unregister_device(solo_enc->vfd);
1366 v4l2_ctrl_handler_free(&solo_enc->hdl);
1367 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
1368 kfree(solo_enc);
1369 }
1370
1371 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
1372 {
1373 int i;
1374
1375 init_waitqueue_head(&solo_dev->ring_thread_wait);
1376
1377 solo_dev->vh_size = sizeof(vop_header);
1378 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev,
1379 solo_dev->vh_size,
1380 &solo_dev->vh_dma);
1381 if (solo_dev->vh_buf == NULL)
1382 return -ENOMEM;
1383
1384 for (i = 0; i < solo_dev->nr_chans; i++) {
1385 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr);
1386 if (IS_ERR(solo_dev->v4l2_enc[i]))
1387 break;
1388 }
1389
1390 if (i != solo_dev->nr_chans) {
1391 int ret = PTR_ERR(solo_dev->v4l2_enc[i]);
1392
1393 while (i--)
1394 solo_enc_free(solo_dev->v4l2_enc[i]);
1395 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1396 solo_dev->vh_buf, solo_dev->vh_dma);
1397 solo_dev->vh_buf = NULL;
1398 return ret;
1399 }
1400
1401 if (solo_dev->type == SOLO_DEV_6010)
1402 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
1403 else
1404 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5;
1405
1406 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
1407 solo_dev->v4l2_enc[0]->vfd->num,
1408 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);
1409
1410 return solo_ring_start(solo_dev);
1411 }
1412
1413 void solo_enc_v4l2_exit(struct solo_dev *solo_dev)
1414 {
1415 int i;
1416
1417 solo_ring_stop(solo_dev);
1418
1419 for (i = 0; i < solo_dev->nr_chans; i++)
1420 solo_enc_free(solo_dev->v4l2_enc[i]);
1421
1422 if (solo_dev->vh_buf)
1423 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1424 solo_dev->vh_buf, solo_dev->vh_dma);
1425 }
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