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perf bpf: Move perf_event_output() from stdio.h to bpf.h
[linux/fpc-iii.git] / drivers / media / pci / solo6x10 / solo6x10-v4l2-enc.c
blob9d27e7463070f3bc3821dfd1b91a0b68144528a0
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 (400 * 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 struct device *alloc_devs[])
668 {
669 sizes[0] = FRAME_BUF_SIZE;
670 *num_planes = 1;
671
672 if (*num_buffers < MIN_VID_BUFFERS)
673 *num_buffers = MIN_VID_BUFFERS;
674
675 return 0;
676 }
677
678 static void solo_enc_buf_queue(struct vb2_buffer *vb)
679 {
680 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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(vbuf, 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, 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 vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
745 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue);
746 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
747
748 switch (solo_enc->fmt) {
749 case V4L2_PIX_FMT_MPEG4:
750 case V4L2_PIX_FMT_H264:
751 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
752 sg_copy_from_buffer(sgt->sgl, sgt->nents,
753 solo_enc->vop, solo_enc->vop_len);
754 break;
755 default: /* V4L2_PIX_FMT_MJPEG */
756 sg_copy_from_buffer(sgt->sgl, sgt->nents,
757 solo_enc->jpeg_header, solo_enc->jpeg_len);
758 break;
759 }
760 }
761
762 static const struct vb2_ops solo_enc_video_qops = {
763 .queue_setup = solo_enc_queue_setup,
764 .buf_queue = solo_enc_buf_queue,
765 .buf_finish = solo_enc_buf_finish,
766 .start_streaming = solo_enc_start_streaming,
767 .stop_streaming = solo_enc_stop_streaming,
768 .wait_prepare = vb2_ops_wait_prepare,
769 .wait_finish = vb2_ops_wait_finish,
770 };
771
772 static int solo_enc_querycap(struct file *file, void *priv,
773 struct v4l2_capability *cap)
774 {
775 struct solo_enc_dev *solo_enc = video_drvdata(file);
776 struct solo_dev *solo_dev = solo_enc->solo_dev;
777
778 strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver));
779 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
780 solo_enc->ch);
781 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
782 pci_name(solo_dev->pdev));
783 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
784 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
785 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
786 return 0;
787 }
788
789 static int solo_enc_enum_input(struct file *file, void *priv,
790 struct v4l2_input *input)
791 {
792 struct solo_enc_dev *solo_enc = video_drvdata(file);
793 struct solo_dev *solo_dev = solo_enc->solo_dev;
794
795 if (input->index)
796 return -EINVAL;
797
798 snprintf(input->name, sizeof(input->name), "Encoder %d",
799 solo_enc->ch + 1);
800 input->type = V4L2_INPUT_TYPE_CAMERA;
801 input->std = solo_enc->vfd->tvnorms;
802
803 if (!tw28_get_video_status(solo_dev, solo_enc->ch))
804 input->status = V4L2_IN_ST_NO_SIGNAL;
805
806 return 0;
807 }
808
809 static int solo_enc_set_input(struct file *file, void *priv,
810 unsigned int index)
811 {
812 if (index)
813 return -EINVAL;
814
815 return 0;
816 }
817
818 static int solo_enc_get_input(struct file *file, void *priv,
819 unsigned int *index)
820 {
821 *index = 0;
822
823 return 0;
824 }
825
826 static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
827 struct v4l2_fmtdesc *f)
828 {
829 struct solo_enc_dev *solo_enc = video_drvdata(file);
830 int dev_type = solo_enc->solo_dev->type;
831
832 switch (f->index) {
833 case 0:
834 switch (dev_type) {
835 case SOLO_DEV_6010:
836 f->pixelformat = V4L2_PIX_FMT_MPEG4;
837 strscpy(f->description, "MPEG-4 part 2",
838 sizeof(f->description));
839 break;
840 case SOLO_DEV_6110:
841 f->pixelformat = V4L2_PIX_FMT_H264;
842 strscpy(f->description, "H.264", sizeof(f->description));
843 break;
844 }
845 break;
846 case 1:
847 f->pixelformat = V4L2_PIX_FMT_MJPEG;
848 strscpy(f->description, "MJPEG", sizeof(f->description));
849 break;
850 default:
851 return -EINVAL;
852 }
853
854 f->flags = V4L2_FMT_FLAG_COMPRESSED;
855
856 return 0;
857 }
858
859 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type)
860 {
861 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110)
862 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010)
863 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL;
864 }
865
866 static int solo_enc_try_fmt_cap(struct file *file, void *priv,
867 struct v4l2_format *f)
868 {
869 struct solo_enc_dev *solo_enc = video_drvdata(file);
870 struct solo_dev *solo_dev = solo_enc->solo_dev;
871 struct v4l2_pix_format *pix = &f->fmt.pix;
872
873 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type))
874 return -EINVAL;
875
876 if (pix->width < solo_dev->video_hsize ||
877 pix->height < solo_dev->video_vsize << 1) {
878 /* Default to CIF 1/2 size */
879 pix->width = solo_dev->video_hsize >> 1;
880 pix->height = solo_dev->video_vsize;
881 } else {
882 /* Full frame */
883 pix->width = solo_dev->video_hsize;
884 pix->height = solo_dev->video_vsize << 1;
885 }
886
887 switch (pix->field) {
888 case V4L2_FIELD_NONE:
889 case V4L2_FIELD_INTERLACED:
890 break;
891 case V4L2_FIELD_ANY:
892 default:
893 pix->field = V4L2_FIELD_INTERLACED;
894 break;
895 }
896
897 /* Just set these */
898 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
899 pix->sizeimage = FRAME_BUF_SIZE;
900 pix->bytesperline = 0;
901 pix->priv = 0;
902
903 return 0;
904 }
905
906 static int solo_enc_set_fmt_cap(struct file *file, void *priv,
907 struct v4l2_format *f)
908 {
909 struct solo_enc_dev *solo_enc = video_drvdata(file);
910 struct solo_dev *solo_dev = solo_enc->solo_dev;
911 struct v4l2_pix_format *pix = &f->fmt.pix;
912 int ret;
913
914 if (vb2_is_busy(&solo_enc->vidq))
915 return -EBUSY;
916
917 ret = solo_enc_try_fmt_cap(file, priv, f);
918 if (ret)
919 return ret;
920
921 if (pix->width == solo_dev->video_hsize)
922 solo_enc->mode = SOLO_ENC_MODE_D1;
923 else
924 solo_enc->mode = SOLO_ENC_MODE_CIF;
925
926 /* This does not change the encoder at all */
927 solo_enc->fmt = pix->pixelformat;
928
929 /*
930 * More information is needed about these 'extended' types. As far
931 * as I can tell these are basically additional video streams with
932 * different MPEG encoding attributes that can run in parallel with
933 * the main stream. If so, then this should be implemented as a
934 * second video node. Abusing priv like this is certainly not the
935 * right approach.
936 if (pix->priv)
937 solo_enc->type = SOLO_ENC_TYPE_EXT;
938 */
939 solo_update_mode(solo_enc);
940 return 0;
941 }
942
943 static int solo_enc_get_fmt_cap(struct file *file, void *priv,
944 struct v4l2_format *f)
945 {
946 struct solo_enc_dev *solo_enc = video_drvdata(file);
947 struct v4l2_pix_format *pix = &f->fmt.pix;
948
949 pix->width = solo_enc->width;
950 pix->height = solo_enc->height;
951 pix->pixelformat = solo_enc->fmt;
952 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
953 V4L2_FIELD_NONE;
954 pix->sizeimage = FRAME_BUF_SIZE;
955 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
956 pix->priv = 0;
957
958 return 0;
959 }
960
961 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i)
962 {
963 struct solo_enc_dev *solo_enc = video_drvdata(file);
964 struct solo_dev *solo_dev = solo_enc->solo_dev;
965
966 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
967 *i = V4L2_STD_NTSC_M;
968 else
969 *i = V4L2_STD_PAL;
970 return 0;
971 }
972
973 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std)
974 {
975 struct solo_enc_dev *solo_enc = video_drvdata(file);
976
977 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50);
978 }
979
980 static int solo_enum_framesizes(struct file *file, void *priv,
981 struct v4l2_frmsizeenum *fsize)
982 {
983 struct solo_enc_dev *solo_enc = video_drvdata(file);
984 struct solo_dev *solo_dev = solo_enc->solo_dev;
985
986 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type))
987 return -EINVAL;
988
989 switch (fsize->index) {
990 case 0:
991 fsize->discrete.width = solo_dev->video_hsize >> 1;
992 fsize->discrete.height = solo_dev->video_vsize;
993 break;
994 case 1:
995 fsize->discrete.width = solo_dev->video_hsize;
996 fsize->discrete.height = solo_dev->video_vsize << 1;
997 break;
998 default:
999 return -EINVAL;
1000 }
1001
1002 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
1003
1004 return 0;
1005 }
1006
1007 static int solo_enum_frameintervals(struct file *file, void *priv,
1008 struct v4l2_frmivalenum *fintv)
1009 {
1010 struct solo_enc_dev *solo_enc = video_drvdata(file);
1011 struct solo_dev *solo_dev = solo_enc->solo_dev;
1012
1013 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type))
1014 return -EINVAL;
1015 if (fintv->index)
1016 return -EINVAL;
1017 if ((fintv->width != solo_dev->video_hsize >> 1 ||
1018 fintv->height != solo_dev->video_vsize) &&
1019 (fintv->width != solo_dev->video_hsize ||
1020 fintv->height != solo_dev->video_vsize << 1))
1021 return -EINVAL;
1022
1023 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
1024
1025 fintv->stepwise.min.numerator = 1;
1026 fintv->stepwise.min.denominator = solo_dev->fps;
1027
1028 fintv->stepwise.max.numerator = 15;
1029 fintv->stepwise.max.denominator = solo_dev->fps;
1030
1031 fintv->stepwise.step.numerator = 1;
1032 fintv->stepwise.step.denominator = solo_dev->fps;
1033
1034 return 0;
1035 }
1036
1037 static int solo_g_parm(struct file *file, void *priv,
1038 struct v4l2_streamparm *sp)
1039 {
1040 struct solo_enc_dev *solo_enc = video_drvdata(file);
1041 struct v4l2_captureparm *cp = &sp->parm.capture;
1042
1043 cp->capability = V4L2_CAP_TIMEPERFRAME;
1044 cp->timeperframe.numerator = solo_enc->interval;
1045 cp->timeperframe.denominator = solo_enc->solo_dev->fps;
1046 cp->capturemode = 0;
1047 /* XXX: Shouldn't we be able to get/set this from videobuf? */
1048 cp->readbuffers = 2;
1049
1050 return 0;
1051 }
1052
1053 static inline int calc_interval(u8 fps, u32 n, u32 d)
1054 {
1055 if (!n || !d)
1056 return 1;
1057 if (d == fps)
1058 return n;
1059 n *= fps;
1060 return min(15U, n / d + (n % d >= (fps >> 1)));
1061 }
1062
1063 static int solo_s_parm(struct file *file, void *priv,
1064 struct v4l2_streamparm *sp)
1065 {
1066 struct solo_enc_dev *solo_enc = video_drvdata(file);
1067 struct v4l2_fract *t = &sp->parm.capture.timeperframe;
1068 u8 fps = solo_enc->solo_dev->fps;
1069
1070 if (vb2_is_streaming(&solo_enc->vidq))
1071 return -EBUSY;
1072
1073 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator);
1074 solo_update_mode(solo_enc);
1075 return solo_g_parm(file, priv, sp);
1076 }
1077
1078 static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
1079 {
1080 struct solo_enc_dev *solo_enc =
1081 container_of(ctrl->handler, struct solo_enc_dev, hdl);
1082 struct solo_dev *solo_dev = solo_enc->solo_dev;
1083 int err;
1084
1085 switch (ctrl->id) {
1086 case V4L2_CID_BRIGHTNESS:
1087 case V4L2_CID_CONTRAST:
1088 case V4L2_CID_SATURATION:
1089 case V4L2_CID_HUE:
1090 case V4L2_CID_SHARPNESS:
1091 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1092 ctrl->val);
1093 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1094 solo_enc->gop = ctrl->val;
1095 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop);
1096 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop);
1097 return 0;
1098 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1099 solo_enc->qp = ctrl->val;
1100 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp);
1101 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp);
1102 return 0;
1103 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD:
1104 solo_enc->motion_thresh = ctrl->val << 8;
1105 if (!solo_enc->motion_global || !solo_enc->motion_enabled)
1106 return 0;
1107 return solo_set_motion_threshold(solo_dev, solo_enc->ch,
1108 solo_enc->motion_thresh);
1109 case V4L2_CID_DETECT_MD_MODE:
1110 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL;
1111 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED;
1112 if (ctrl->val) {
1113 if (solo_enc->motion_global)
1114 err = solo_set_motion_threshold(solo_dev, solo_enc->ch,
1115 solo_enc->motion_thresh);
1116 else
1117 err = solo_set_motion_block(solo_dev, solo_enc->ch,
1118 solo_enc->md_thresholds->p_cur.p_u16);
1119 if (err)
1120 return err;
1121 }
1122 solo_motion_toggle(solo_enc, ctrl->val);
1123 return 0;
1124 case V4L2_CID_DETECT_MD_THRESHOLD_GRID:
1125 if (solo_enc->motion_enabled && !solo_enc->motion_global)
1126 return solo_set_motion_block(solo_dev, solo_enc->ch,
1127 solo_enc->md_thresholds->p_new.p_u16);
1128 break;
1129 case V4L2_CID_OSD_TEXT:
1130 strscpy(solo_enc->osd_text, ctrl->p_new.p_char,
1131 sizeof(solo_enc->osd_text));
1132 return solo_osd_print(solo_enc);
1133 default:
1134 return -EINVAL;
1135 }
1136
1137 return 0;
1138 }
1139
1140 static int solo_subscribe_event(struct v4l2_fh *fh,
1141 const struct v4l2_event_subscription *sub)
1142 {
1143
1144 switch (sub->type) {
1145 case V4L2_EVENT_MOTION_DET:
1146 /* Allow for up to 30 events (1 second for NTSC) to be
1147 * stored. */
1148 return v4l2_event_subscribe(fh, sub, 30, NULL);
1149 default:
1150 return v4l2_ctrl_subscribe_event(fh, sub);
1151 }
1152 }
1153
1154 static const struct v4l2_file_operations solo_enc_fops = {
1155 .owner = THIS_MODULE,
1156 .open = v4l2_fh_open,
1157 .release = vb2_fop_release,
1158 .read = vb2_fop_read,
1159 .poll = vb2_fop_poll,
1160 .mmap = vb2_fop_mmap,
1161 .unlocked_ioctl = video_ioctl2,
1162 };
1163
1164 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
1165 .vidioc_querycap = solo_enc_querycap,
1166 .vidioc_s_std = solo_enc_s_std,
1167 .vidioc_g_std = solo_enc_g_std,
1168 /* Input callbacks */
1169 .vidioc_enum_input = solo_enc_enum_input,
1170 .vidioc_s_input = solo_enc_set_input,
1171 .vidioc_g_input = solo_enc_get_input,
1172 /* Video capture format callbacks */
1173 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap,
1174 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap,
1175 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap,
1176 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap,
1177 /* Streaming I/O */
1178 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1179 .vidioc_querybuf = vb2_ioctl_querybuf,
1180 .vidioc_qbuf = vb2_ioctl_qbuf,
1181 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1182 .vidioc_streamon = vb2_ioctl_streamon,
1183 .vidioc_streamoff = vb2_ioctl_streamoff,
1184 /* Frame size and interval */
1185 .vidioc_enum_framesizes = solo_enum_framesizes,
1186 .vidioc_enum_frameintervals = solo_enum_frameintervals,
1187 /* Video capture parameters */
1188 .vidioc_s_parm = solo_s_parm,
1189 .vidioc_g_parm = solo_g_parm,
1190 /* Logging and events */
1191 .vidioc_log_status = v4l2_ctrl_log_status,
1192 .vidioc_subscribe_event = solo_subscribe_event,
1193 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1194 };
1195
1196 static const struct video_device solo_enc_template = {
1197 .name = SOLO6X10_NAME,
1198 .fops = &solo_enc_fops,
1199 .ioctl_ops = &solo_enc_ioctl_ops,
1200 .minor = -1,
1201 .release = video_device_release,
1202 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL,
1203 };
1204
1205 static const struct v4l2_ctrl_ops solo_ctrl_ops = {
1206 .s_ctrl = solo_s_ctrl,
1207 };
1208
1209 static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
1210 .ops = &solo_ctrl_ops,
1211 .id = V4L2_CID_OSD_TEXT,
1212 .name = "OSD Text",
1213 .type = V4L2_CTRL_TYPE_STRING,
1214 .max = OSD_TEXT_MAX,
1215 .step = 1,
1216 };
1217
1218 /* Motion Detection Threshold matrix */
1219 static const struct v4l2_ctrl_config solo_md_thresholds = {
1220 .ops = &solo_ctrl_ops,
1221 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID,
1222 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ },
1223 .def = SOLO_DEF_MOT_THRESH,
1224 .max = 65535,
1225 .step = 1,
1226 };
1227
1228 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
1229 u8 ch, unsigned nr)
1230 {
1231 struct solo_enc_dev *solo_enc;
1232 struct v4l2_ctrl_handler *hdl;
1233 int ret;
1234
1235 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL);
1236 if (!solo_enc)
1237 return ERR_PTR(-ENOMEM);
1238
1239 hdl = &solo_enc->hdl;
1240 v4l2_ctrl_handler_init(hdl, 10);
1241 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1242 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1243 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1244 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1245 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1246 V4L2_CID_SATURATION, 0, 255, 1, 128);
1247 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1248 V4L2_CID_HUE, 0, 255, 1, 128);
1249 if (tw28_has_sharpness(solo_dev, ch))
1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1251 V4L2_CID_SHARPNESS, 0, 15, 1, 0);
1252 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1253 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps);
1254 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1255 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP);
1256 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops,
1257 V4L2_CID_DETECT_MD_MODE,
1258 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0,
1259 V4L2_DETECT_MD_MODE_DISABLED);
1260 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1261 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1,
1262 SOLO_DEF_MOT_THRESH >> 8);
1263 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
1264 solo_enc->md_thresholds =
1265 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL);
1266 if (hdl->error) {
1267 ret = hdl->error;
1268 goto hdl_free;
1269 }
1270
1271 solo_enc->solo_dev = solo_dev;
1272 solo_enc->ch = ch;
1273 mutex_init(&solo_enc->lock);
1274 spin_lock_init(&solo_enc->av_lock);
1275 INIT_LIST_HEAD(&solo_enc->vidq_active);
1276 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ?
1277 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264;
1278 solo_enc->type = SOLO_ENC_TYPE_STD;
1279
1280 solo_enc->qp = SOLO_DEFAULT_QP;
1281 solo_enc->gop = solo_dev->fps;
1282 solo_enc->interval = 1;
1283 solo_enc->mode = SOLO_ENC_MODE_CIF;
1284 solo_enc->motion_global = true;
1285 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
1286 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1287 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
1288 solo_enc->vidq.ops = &solo_enc_video_qops;
1289 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
1290 solo_enc->vidq.drv_priv = solo_enc;
1291 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
1292 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1293 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
1294 solo_enc->vidq.lock = &solo_enc->lock;
1295 solo_enc->vidq.dev = &solo_dev->pdev->dev;
1296 ret = vb2_queue_init(&solo_enc->vidq);
1297 if (ret)
1298 goto hdl_free;
1299 solo_update_mode(solo_enc);
1300
1301 spin_lock_init(&solo_enc->motion_lock);
1302
1303 /* Initialize this per encoder */
1304 solo_enc->jpeg_len = sizeof(jpeg_header);
1305 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);
1306
1307 solo_enc->desc_nelts = 32;
1308 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev,
1309 sizeof(struct solo_p2m_desc) *
1310 solo_enc->desc_nelts,
1311 &solo_enc->desc_dma);
1312 ret = -ENOMEM;
1313 if (solo_enc->desc_items == NULL)
1314 goto hdl_free;
1315
1316 solo_enc->vfd = video_device_alloc();
1317 if (!solo_enc->vfd)
1318 goto pci_free;
1319
1320 *solo_enc->vfd = solo_enc_template;
1321 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
1322 solo_enc->vfd->ctrl_handler = hdl;
1323 solo_enc->vfd->queue = &solo_enc->vidq;
1324 solo_enc->vfd->lock = &solo_enc->lock;
1325 video_set_drvdata(solo_enc->vfd, solo_enc);
1326 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);
1327 if (ret < 0)
1328 goto vdev_release;
1329
1330 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
1331 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num,
1332 solo_enc->vfd->num);
1333
1334 return solo_enc;
1335
1336 vdev_release:
1337 video_device_release(solo_enc->vfd);
1338 pci_free:
1339 pci_free_consistent(solo_enc->solo_dev->pdev,
1340 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1341 solo_enc->desc_items, solo_enc->desc_dma);
1342 hdl_free:
1343 v4l2_ctrl_handler_free(hdl);
1344 kfree(solo_enc);
1345 return ERR_PTR(ret);
1346 }
1347
1348 static void solo_enc_free(struct solo_enc_dev *solo_enc)
1349 {
1350 if (solo_enc == NULL)
1351 return;
1352
1353 pci_free_consistent(solo_enc->solo_dev->pdev,
1354 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1355 solo_enc->desc_items, solo_enc->desc_dma);
1356 video_unregister_device(solo_enc->vfd);
1357 v4l2_ctrl_handler_free(&solo_enc->hdl);
1358 kfree(solo_enc);
1359 }
1360
1361 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
1362 {
1363 int i;
1364
1365 init_waitqueue_head(&solo_dev->ring_thread_wait);
1366
1367 solo_dev->vh_size = sizeof(vop_header);
1368 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev,
1369 solo_dev->vh_size,
1370 &solo_dev->vh_dma);
1371 if (solo_dev->vh_buf == NULL)
1372 return -ENOMEM;
1373
1374 for (i = 0; i < solo_dev->nr_chans; i++) {
1375 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr);
1376 if (IS_ERR(solo_dev->v4l2_enc[i]))
1377 break;
1378 }
1379
1380 if (i != solo_dev->nr_chans) {
1381 int ret = PTR_ERR(solo_dev->v4l2_enc[i]);
1382
1383 while (i--)
1384 solo_enc_free(solo_dev->v4l2_enc[i]);
1385 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1386 solo_dev->vh_buf, solo_dev->vh_dma);
1387 solo_dev->vh_buf = NULL;
1388 return ret;
1389 }
1390
1391 if (solo_dev->type == SOLO_DEV_6010)
1392 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
1393 else
1394 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5;
1395
1396 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
1397 solo_dev->v4l2_enc[0]->vfd->num,
1398 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);
1399
1400 return solo_ring_start(solo_dev);
1401 }
1402
1403 void solo_enc_v4l2_exit(struct solo_dev *solo_dev)
1404 {
1405 int i;
1406
1407 solo_ring_stop(solo_dev);
1408
1409 for (i = 0; i < solo_dev->nr_chans; i++)
1410 solo_enc_free(solo_dev->v4l2_enc[i]);
1411
1412 if (solo_dev->vh_buf)
1413 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1414 solo_dev->vh_buf, solo_dev->vh_dma);
1415 }
Linux with added FPC-III support