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 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 */
24
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/kthread.h>
28 #include <linux/freezer.h>
29
30 #include <media/v4l2-ioctl.h>
31 #include <media/v4l2-common.h>
32 #include <media/v4l2-event.h>
33 #include <media/videobuf2-dma-sg.h>
34
35 #include "solo6x10.h"
36 #include "solo6x10-tw28.h"
37 #include "solo6x10-jpeg.h"
38
39 #define MIN_VID_BUFFERS 2
40 #define FRAME_BUF_SIZE (196 * 1024)
41 #define MP4_QS 16
42 #define DMA_ALIGN 4096
43
44 /* 6010 M4V */
45 static unsigned char vop_6010_ntsc_d1[] = {
46 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
47 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
48 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
49 0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f,
50 };
51
52 static unsigned char vop_6010_ntsc_cif[] = {
53 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
54 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
55 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
56 0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f,
57 };
58
59 static unsigned char vop_6010_pal_d1[] = {
60 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
61 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
62 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
63 0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f,
64 };
65
66 static unsigned char vop_6010_pal_cif[] = {
67 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
68 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
69 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
70 0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f,
71 };
72
73 /* 6110 h.264 */
74 static unsigned char vop_6110_ntsc_d1[] = {
75 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
76 0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00,
77 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
78 };
79
80 static unsigned char vop_6110_ntsc_cif[] = {
81 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
82 0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00,
83 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
84 };
85
86 static unsigned char vop_6110_pal_d1[] = {
87 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
88 0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00,
89 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
90 };
91
92 static unsigned char vop_6110_pal_cif[] = {
93 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
94 0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00,
95 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
96 };
97
98 struct vop_header {
99 /* VE_STATUS0 */
100 u32 mpeg_size:20, sad_motion_flag:1, video_motion_flag:1, vop_type:2,
101 channel:5, source_fl:1, interlace:1, progressive:1;
102
103 /* VE_STATUS1 */
104 u32 vsize:8, hsize:8, last_queue:4, nop0:8, scale:4;
105
106 /* VE_STATUS2 */
107 u32 mpeg_off;
108
109 /* VE_STATUS3 */
110 u32 jpeg_off;
111
112 /* VE_STATUS4 */
113 u32 jpeg_size:20, interval:10, nop1:2;
114
115 /* VE_STATUS5/6 */
116 u32 sec, usec;
117
118 /* VE_STATUS7/8/9 */
119 u32 nop2[3];
120
121 /* VE_STATUS10 */
122 u32 mpeg_size_alt:20, nop3:12;
123
124 u32 end_nops[5];
125 } __packed;
126
127 struct solo_enc_buf {
128 enum solo_enc_types type;
129 struct vop_header *vh;
130 int motion;
131 };
132
solo_is_motion_on(struct solo_enc_dev * solo_enc)133 static int solo_is_motion_on(struct solo_enc_dev *solo_enc)
134 {
135 struct solo_dev *solo_dev = solo_enc->solo_dev;
136
137 return (solo_dev->motion_mask >> solo_enc->ch) & 1;
138 }
139
solo_motion_detected(struct solo_enc_dev * solo_enc)140 static int solo_motion_detected(struct solo_enc_dev *solo_enc)
141 {
142 struct solo_dev *solo_dev = solo_enc->solo_dev;
143 unsigned long flags;
144 u32 ch_mask = 1 << solo_enc->ch;
145 int ret = 0;
146
147 spin_lock_irqsave(&solo_enc->motion_lock, flags);
148 if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) {
149 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask);
150 ret = 1;
151 }
152 spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
153
154 return ret;
155 }
156
solo_motion_toggle(struct solo_enc_dev * solo_enc,int on)157 static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on)
158 {
159 struct solo_dev *solo_dev = solo_enc->solo_dev;
160 u32 mask = 1 << solo_enc->ch;
161 unsigned long flags;
162
163 spin_lock_irqsave(&solo_enc->motion_lock, flags);
164
165 if (on)
166 solo_dev->motion_mask |= mask;
167 else
168 solo_dev->motion_mask &= ~mask;
169
170 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask);
171
172 solo_reg_write(solo_dev, SOLO_VI_MOT_ADR,
173 SOLO_VI_MOTION_EN(solo_dev->motion_mask) |
174 (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16));
175
176 spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
177 }
178
solo_update_mode(struct solo_enc_dev * solo_enc)179 void solo_update_mode(struct solo_enc_dev *solo_enc)
180 {
181 struct solo_dev *solo_dev = solo_enc->solo_dev;
182 int vop_len;
183 unsigned char *vop;
184
185 solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0;
186 solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1);
187
188 if (solo_enc->mode == SOLO_ENC_MODE_CIF) {
189 solo_enc->width = solo_dev->video_hsize >> 1;
190 solo_enc->height = solo_dev->video_vsize;
191 if (solo_dev->type == SOLO_DEV_6110) {
192 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
193 vop = vop_6110_ntsc_cif;
194 vop_len = sizeof(vop_6110_ntsc_cif);
195 } else {
196 vop = vop_6110_pal_cif;
197 vop_len = sizeof(vop_6110_pal_cif);
198 }
199 } else {
200 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
201 vop = vop_6010_ntsc_cif;
202 vop_len = sizeof(vop_6010_ntsc_cif);
203 } else {
204 vop = vop_6010_pal_cif;
205 vop_len = sizeof(vop_6010_pal_cif);
206 }
207 }
208 } else {
209 solo_enc->width = solo_dev->video_hsize;
210 solo_enc->height = solo_dev->video_vsize << 1;
211 solo_enc->bw_weight <<= 2;
212 if (solo_dev->type == SOLO_DEV_6110) {
213 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
214 vop = vop_6110_ntsc_d1;
215 vop_len = sizeof(vop_6110_ntsc_d1);
216 } else {
217 vop = vop_6110_pal_d1;
218 vop_len = sizeof(vop_6110_pal_d1);
219 }
220 } else {
221 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
222 vop = vop_6010_ntsc_d1;
223 vop_len = sizeof(vop_6010_ntsc_d1);
224 } else {
225 vop = vop_6010_pal_d1;
226 vop_len = sizeof(vop_6010_pal_d1);
227 }
228 }
229 }
230
231 memcpy(solo_enc->vop, vop, vop_len);
232
233 /* Some fixups for 6010/M4V */
234 if (solo_dev->type == SOLO_DEV_6010) {
235 u16 fps = solo_dev->fps * 1000;
236 u16 interval = solo_enc->interval * 1000;
237
238 vop = solo_enc->vop;
239
240 /* Frame rate and interval */
241 vop[22] = fps >> 4;
242 vop[23] = ((fps << 4) & 0xf0) | 0x0c
243 | ((interval >> 13) & 0x3);
244 vop[24] = (interval >> 5) & 0xff;
245 vop[25] = ((interval << 3) & 0xf8) | 0x04;
246 }
247
248 solo_enc->vop_len = vop_len;
249
250 /* Now handle the jpeg header */
251 vop = solo_enc->jpeg_header;
252 vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8);
253 vop[SOF0_START + 6] = 0xff & solo_enc->height;
254 vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8);
255 vop[SOF0_START + 8] = 0xff & solo_enc->width;
256
257 memcpy(vop + DQT_START,
258 jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN);
259 }
260
solo_enc_on(struct solo_enc_dev * solo_enc)261 static int solo_enc_on(struct solo_enc_dev *solo_enc)
262 {
263 u8 ch = solo_enc->ch;
264 struct solo_dev *solo_dev = solo_enc->solo_dev;
265 u8 interval;
266
267 solo_update_mode(solo_enc);
268
269 /* Make sure to do a bandwidth check */
270 if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
271 return -EBUSY;
272 solo_enc->sequence = 0;
273 solo_dev->enc_bw_remain -= solo_enc->bw_weight;
274
275 if (solo_enc->type == SOLO_ENC_TYPE_EXT)
276 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1);
277
278 /* Disable all encoding for this channel */
279 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0);
280
281 /* Common for both std and ext encoding */
282 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch),
283 solo_enc->interlaced ? 1 : 0);
284
285 if (solo_enc->interlaced)
286 interval = solo_enc->interval - 1;
287 else
288 interval = solo_enc->interval;
289
290 /* Standard encoding only */
291 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop);
292 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp);
293 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval);
294
295 /* Extended encoding only */
296 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop);
297 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp);
298 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval);
299
300 /* Enables the standard encoder */
301 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode);
302
303 return 0;
304 }
305
solo_enc_off(struct solo_enc_dev * solo_enc)306 static void solo_enc_off(struct solo_enc_dev *solo_enc)
307 {
308 struct solo_dev *solo_dev = solo_enc->solo_dev;
309
310 solo_dev->enc_bw_remain += solo_enc->bw_weight;
311
312 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0);
313 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0);
314 }
315
enc_get_mpeg_dma(struct solo_dev * solo_dev,dma_addr_t dma,unsigned int off,unsigned int size)316 static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma,
317 unsigned int off, unsigned int size)
318 {
319 int ret;
320
321 if (off > SOLO_MP4E_EXT_SIZE(solo_dev))
322 return -EINVAL;
323
324 /* Single shot */
325 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) {
326 return solo_p2m_dma_t(solo_dev, 0, dma,
327 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size,
328 0, 0);
329 }
330
331 /* Buffer wrap */
332 ret = solo_p2m_dma_t(solo_dev, 0, dma,
333 SOLO_MP4E_EXT_ADDR(solo_dev) + off,
334 SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0);
335
336 if (!ret) {
337 ret = solo_p2m_dma_t(solo_dev, 0,
338 dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off,
339 SOLO_MP4E_EXT_ADDR(solo_dev),
340 size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0);
341 }
342
343 return ret;
344 }
345
346 /* Build a descriptor queue out of an SG list and send it to the P2M for
347 * processing. */
solo_send_desc(struct solo_enc_dev * solo_enc,int skip,struct vb2_dma_sg_desc * vbuf,int off,int size,unsigned int base,unsigned int base_size)348 static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip,
349 struct vb2_dma_sg_desc *vbuf, int off, int size,
350 unsigned int base, unsigned int base_size)
351 {
352 struct solo_dev *solo_dev = solo_enc->solo_dev;
353 struct scatterlist *sg;
354 int i;
355 int ret;
356
357 if (WARN_ON_ONCE(size > FRAME_BUF_SIZE))
358 return -EINVAL;
359
360 solo_enc->desc_count = 1;
361
362 for_each_sg(vbuf->sglist, sg, vbuf->num_pages, i) {
363 struct solo_p2m_desc *desc;
364 dma_addr_t dma;
365 int len;
366 int left = base_size - off;
367
368 desc = &solo_enc->desc_items[solo_enc->desc_count++];
369 dma = sg_dma_address(sg);
370 len = sg_dma_len(sg);
371
372 /* We assume this is smaller than the scatter size */
373 BUG_ON(skip >= len);
374 if (skip) {
375 len -= skip;
376 dma += skip;
377 size -= skip;
378 skip = 0;
379 }
380
381 len = min(len, size);
382
383 if (len <= left) {
384 /* Single descriptor */
385 solo_p2m_fill_desc(desc, 0, dma, base + off,
386 len, 0, 0);
387 } else {
388 /* Buffer wrap */
389 /* XXX: Do these as separate DMA requests, to avoid
390 timeout errors triggered by awkwardly sized
391 descriptors. See
392 <https://github.com/bluecherrydvr/solo6x10/issues/8>
393 */
394 ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off,
395 left, 0, 0);
396 if (ret)
397 return ret;
398
399 ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base,
400 len - left, 0, 0);
401 if (ret)
402 return ret;
403
404 solo_enc->desc_count--;
405 }
406
407 size -= len;
408 if (size <= 0)
409 break;
410
411 off += len;
412 if (off >= base_size)
413 off -= base_size;
414
415 /* Because we may use two descriptors per loop */
416 if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) {
417 ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items,
418 solo_enc->desc_dma,
419 solo_enc->desc_count - 1);
420 if (ret)
421 return ret;
422 solo_enc->desc_count = 1;
423 }
424 }
425
426 if (solo_enc->desc_count <= 1)
427 return 0;
428
429 return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, solo_enc->desc_dma,
430 solo_enc->desc_count - 1);
431 }
432
solo_fill_jpeg(struct solo_enc_dev * solo_enc,struct vb2_buffer * vb,struct vop_header * vh)433 static int solo_fill_jpeg(struct solo_enc_dev *solo_enc,
434 struct vb2_buffer *vb, struct vop_header *vh)
435 {
436 struct solo_dev *solo_dev = solo_enc->solo_dev;
437 struct vb2_dma_sg_desc *vbuf = vb2_dma_sg_plane_desc(vb, 0);
438 int frame_size;
439 int ret;
440
441 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
442
443 if (vb2_plane_size(vb, 0) < vh->jpeg_size + solo_enc->jpeg_len)
444 return -EIO;
445
446 sg_copy_from_buffer(vbuf->sglist, vbuf->num_pages,
447 solo_enc->jpeg_header,
448 solo_enc->jpeg_len);
449
450 frame_size = (vh->jpeg_size + solo_enc->jpeg_len + (DMA_ALIGN - 1))
451 & ~(DMA_ALIGN - 1);
452 vb2_set_plane_payload(vb, 0, vh->jpeg_size + solo_enc->jpeg_len);
453
454 dma_map_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
455 DMA_FROM_DEVICE);
456 ret = solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, vh->jpeg_off,
457 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
458 SOLO_JPEG_EXT_SIZE(solo_dev));
459 dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
460 DMA_FROM_DEVICE);
461 return ret;
462 }
463
solo_fill_mpeg(struct solo_enc_dev * solo_enc,struct vb2_buffer * vb,struct vop_header * vh)464 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
465 struct vb2_buffer *vb, struct vop_header *vh)
466 {
467 struct solo_dev *solo_dev = solo_enc->solo_dev;
468 struct vb2_dma_sg_desc *vbuf = vb2_dma_sg_plane_desc(vb, 0);
469 int frame_off, frame_size;
470 int skip = 0;
471 int ret;
472
473 if (vb2_plane_size(vb, 0) < vh->mpeg_size)
474 return -EIO;
475
476 /* If this is a key frame, add extra header */
477 if (!vh->vop_type) {
478 sg_copy_from_buffer(vbuf->sglist, vbuf->num_pages,
479 solo_enc->vop,
480 solo_enc->vop_len);
481
482 skip = solo_enc->vop_len;
483
484 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
485 vb2_set_plane_payload(vb, 0, vh->mpeg_size + solo_enc->vop_len);
486 } else {
487 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
488 vb2_set_plane_payload(vb, 0, vh->mpeg_size);
489 }
490
491 /* Now get the actual mpeg payload */
492 frame_off = (vh->mpeg_off + sizeof(*vh))
493 % SOLO_MP4E_EXT_SIZE(solo_dev);
494 frame_size = (vh->mpeg_size + skip + (DMA_ALIGN - 1))
495 & ~(DMA_ALIGN - 1);
496
497 dma_map_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
498 DMA_FROM_DEVICE);
499 ret = solo_send_desc(solo_enc, skip, vbuf, frame_off, frame_size,
500 SOLO_MP4E_EXT_ADDR(solo_dev),
501 SOLO_MP4E_EXT_SIZE(solo_dev));
502 dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
503 DMA_FROM_DEVICE);
504 return ret;
505 }
506
solo_enc_fillbuf(struct solo_enc_dev * solo_enc,struct vb2_buffer * vb,struct solo_enc_buf * enc_buf)507 static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
508 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf)
509 {
510 struct vop_header *vh = enc_buf->vh;
511 int ret;
512
513 /* Check for motion flags */
514 vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_MOTION_ON |
515 V4L2_BUF_FLAG_MOTION_DETECTED);
516 if (solo_is_motion_on(solo_enc)) {
517 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_ON;
518 if (enc_buf->motion)
519 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_DETECTED;
520 }
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 vb->v4l2_buf.sequence = solo_enc->sequence++;
534 vb->v4l2_buf.timestamp.tv_sec = vh->sec;
535 vb->v4l2_buf.timestamp.tv_usec = vh->usec;
536 }
537
538 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
539
540 return ret;
541 }
542
solo_enc_handle_one(struct solo_enc_dev * solo_enc,struct solo_enc_buf * enc_buf)543 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc,
544 struct solo_enc_buf *enc_buf)
545 {
546 struct solo_vb2_buf *vb;
547 unsigned long flags;
548
549 mutex_lock(&solo_enc->lock);
550 if (solo_enc->type != enc_buf->type)
551 goto unlock;
552
553 spin_lock_irqsave(&solo_enc->av_lock, flags);
554 if (list_empty(&solo_enc->vidq_active)) {
555 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
556 goto unlock;
557 }
558 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, list);
559 list_del(&vb->list);
560 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
561
562 solo_enc_fillbuf(solo_enc, &vb->vb, enc_buf);
563 unlock:
564 mutex_unlock(&solo_enc->lock);
565 }
566
solo_enc_v4l2_isr(struct solo_dev * solo_dev)567 void solo_enc_v4l2_isr(struct solo_dev *solo_dev)
568 {
569 wake_up_interruptible_all(&solo_dev->ring_thread_wait);
570 }
571
solo_handle_ring(struct solo_dev * solo_dev)572 static void solo_handle_ring(struct solo_dev *solo_dev)
573 {
574 for (;;) {
575 struct solo_enc_dev *solo_enc;
576 struct solo_enc_buf enc_buf;
577 u32 mpeg_current, off;
578 u8 ch;
579 u8 cur_q;
580
581 /* Check if the hardware has any new ones in the queue */
582 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff;
583 if (cur_q == solo_dev->enc_idx)
584 break;
585
586 mpeg_current = solo_reg_read(solo_dev,
587 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
588 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS;
589
590 ch = (mpeg_current >> 24) & 0x1f;
591 off = mpeg_current & 0x00ffffff;
592
593 if (ch >= SOLO_MAX_CHANNELS) {
594 ch -= SOLO_MAX_CHANNELS;
595 enc_buf.type = SOLO_ENC_TYPE_EXT;
596 } else
597 enc_buf.type = SOLO_ENC_TYPE_STD;
598
599 solo_enc = solo_dev->v4l2_enc[ch];
600 if (solo_enc == NULL) {
601 dev_err(&solo_dev->pdev->dev,
602 "Got spurious packet for channel %d\n", ch);
603 continue;
604 }
605
606 /* FAIL... */
607 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off,
608 sizeof(struct vop_header)))
609 continue;
610
611 enc_buf.vh = (struct vop_header *)solo_dev->vh_buf;
612 enc_buf.vh->mpeg_off -= SOLO_MP4E_EXT_ADDR(solo_dev);
613 enc_buf.vh->jpeg_off -= SOLO_JPEG_EXT_ADDR(solo_dev);
614
615 /* Sanity check */
616 if (enc_buf.vh->mpeg_off != off)
617 continue;
618
619 if (solo_motion_detected(solo_enc))
620 enc_buf.motion = 1;
621 else
622 enc_buf.motion = 0;
623
624 solo_enc_handle_one(solo_enc, &enc_buf);
625 }
626 }
627
solo_ring_thread(void * data)628 static int solo_ring_thread(void *data)
629 {
630 struct solo_dev *solo_dev = data;
631 DECLARE_WAITQUEUE(wait, current);
632
633 set_freezable();
634 add_wait_queue(&solo_dev->ring_thread_wait, &wait);
635
636 for (;;) {
637 long timeout = schedule_timeout_interruptible(HZ);
638 if (timeout == -ERESTARTSYS || kthread_should_stop())
639 break;
640 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
641 solo_handle_ring(solo_dev);
642 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
643 try_to_freeze();
644 }
645
646 remove_wait_queue(&solo_dev->ring_thread_wait, &wait);
647
648 return 0;
649 }
650
solo_enc_queue_setup(struct vb2_queue * q,const struct v4l2_format * fmt,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],void * alloc_ctxs[])651 static int solo_enc_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
652 unsigned int *num_buffers, unsigned int *num_planes,
653 unsigned int sizes[], void *alloc_ctxs[])
654 {
655 sizes[0] = FRAME_BUF_SIZE;
656 *num_planes = 1;
657
658 if (*num_buffers < MIN_VID_BUFFERS)
659 *num_buffers = MIN_VID_BUFFERS;
660
661 return 0;
662 }
663
solo_enc_buf_queue(struct vb2_buffer * vb)664 static void solo_enc_buf_queue(struct vb2_buffer *vb)
665 {
666 struct vb2_queue *vq = vb->vb2_queue;
667 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq);
668 struct solo_vb2_buf *solo_vb =
669 container_of(vb, struct solo_vb2_buf, vb);
670
671 spin_lock(&solo_enc->av_lock);
672 list_add_tail(&solo_vb->list, &solo_enc->vidq_active);
673 spin_unlock(&solo_enc->av_lock);
674 }
675
solo_ring_start(struct solo_dev * solo_dev)676 static int solo_ring_start(struct solo_dev *solo_dev)
677 {
678 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev,
679 SOLO6X10_NAME "_ring");
680 if (IS_ERR(solo_dev->ring_thread)) {
681 int err = PTR_ERR(solo_dev->ring_thread);
682 solo_dev->ring_thread = NULL;
683 return err;
684 }
685
686 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
687
688 return 0;
689 }
690
solo_ring_stop(struct solo_dev * solo_dev)691 static void solo_ring_stop(struct solo_dev *solo_dev)
692 {
693 if (solo_dev->ring_thread) {
694 kthread_stop(solo_dev->ring_thread);
695 solo_dev->ring_thread = NULL;
696 }
697
698 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
699 }
700
solo_enc_start_streaming(struct vb2_queue * q,unsigned int count)701 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count)
702 {
703 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
704 int ret;
705
706 ret = solo_enc_on(solo_enc);
707 if (ret)
708 return ret;
709 return solo_ring_start(solo_enc->solo_dev);
710 }
711
solo_enc_stop_streaming(struct vb2_queue * q)712 static int solo_enc_stop_streaming(struct vb2_queue *q)
713 {
714 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
715
716 solo_enc_off(solo_enc);
717 INIT_LIST_HEAD(&solo_enc->vidq_active);
718 solo_ring_stop(solo_enc->solo_dev);
719 return 0;
720 }
721
722 static struct vb2_ops solo_enc_video_qops = {
723 .queue_setup = solo_enc_queue_setup,
724 .buf_queue = solo_enc_buf_queue,
725 .start_streaming = solo_enc_start_streaming,
726 .stop_streaming = solo_enc_stop_streaming,
727 .wait_prepare = vb2_ops_wait_prepare,
728 .wait_finish = vb2_ops_wait_finish,
729 };
730
solo_enc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)731 static int solo_enc_querycap(struct file *file, void *priv,
732 struct v4l2_capability *cap)
733 {
734 struct solo_enc_dev *solo_enc = video_drvdata(file);
735 struct solo_dev *solo_dev = solo_enc->solo_dev;
736
737 strcpy(cap->driver, SOLO6X10_NAME);
738 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
739 solo_enc->ch);
740 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
741 pci_name(solo_dev->pdev));
742 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
743 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
744 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
745 return 0;
746 }
747
solo_enc_enum_input(struct file * file,void * priv,struct v4l2_input * input)748 static int solo_enc_enum_input(struct file *file, void *priv,
749 struct v4l2_input *input)
750 {
751 struct solo_enc_dev *solo_enc = video_drvdata(file);
752 struct solo_dev *solo_dev = solo_enc->solo_dev;
753
754 if (input->index)
755 return -EINVAL;
756
757 snprintf(input->name, sizeof(input->name), "Encoder %d",
758 solo_enc->ch + 1);
759 input->type = V4L2_INPUT_TYPE_CAMERA;
760 input->std = solo_enc->vfd->tvnorms;
761
762 if (!tw28_get_video_status(solo_dev, solo_enc->ch))
763 input->status = V4L2_IN_ST_NO_SIGNAL;
764
765 return 0;
766 }
767
solo_enc_set_input(struct file * file,void * priv,unsigned int index)768 static int solo_enc_set_input(struct file *file, void *priv,
769 unsigned int index)
770 {
771 if (index)
772 return -EINVAL;
773
774 return 0;
775 }
776
solo_enc_get_input(struct file * file,void * priv,unsigned int * index)777 static int solo_enc_get_input(struct file *file, void *priv,
778 unsigned int *index)
779 {
780 *index = 0;
781
782 return 0;
783 }
784
solo_enc_enum_fmt_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)785 static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
786 struct v4l2_fmtdesc *f)
787 {
788 struct solo_enc_dev *solo_enc = video_drvdata(file);
789 int dev_type = solo_enc->solo_dev->type;
790
791 switch (f->index) {
792 case 0:
793 switch (dev_type) {
794 case SOLO_DEV_6010:
795 f->pixelformat = V4L2_PIX_FMT_MPEG4;
796 strcpy(f->description, "MPEG-4 part 2");
797 break;
798 case SOLO_DEV_6110:
799 f->pixelformat = V4L2_PIX_FMT_H264;
800 strcpy(f->description, "H.264");
801 break;
802 }
803 break;
804 case 1:
805 f->pixelformat = V4L2_PIX_FMT_MJPEG;
806 strcpy(f->description, "MJPEG");
807 break;
808 default:
809 return -EINVAL;
810 }
811
812 f->flags = V4L2_FMT_FLAG_COMPRESSED;
813
814 return 0;
815 }
816
solo_valid_pixfmt(u32 pixfmt,int dev_type)817 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type)
818 {
819 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110)
820 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010)
821 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL;
822 }
823
solo_enc_try_fmt_cap(struct file * file,void * priv,struct v4l2_format * f)824 static int solo_enc_try_fmt_cap(struct file *file, void *priv,
825 struct v4l2_format *f)
826 {
827 struct solo_enc_dev *solo_enc = video_drvdata(file);
828 struct solo_dev *solo_dev = solo_enc->solo_dev;
829 struct v4l2_pix_format *pix = &f->fmt.pix;
830
831 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type))
832 return -EINVAL;
833
834 if (pix->width < solo_dev->video_hsize ||
835 pix->height < solo_dev->video_vsize << 1) {
836 /* Default to CIF 1/2 size */
837 pix->width = solo_dev->video_hsize >> 1;
838 pix->height = solo_dev->video_vsize;
839 } else {
840 /* Full frame */
841 pix->width = solo_dev->video_hsize;
842 pix->height = solo_dev->video_vsize << 1;
843 }
844
845 switch (pix->field) {
846 case V4L2_FIELD_NONE:
847 case V4L2_FIELD_INTERLACED:
848 break;
849 case V4L2_FIELD_ANY:
850 default:
851 pix->field = V4L2_FIELD_INTERLACED;
852 break;
853 }
854
855 /* Just set these */
856 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
857 pix->sizeimage = FRAME_BUF_SIZE;
858 pix->bytesperline = 0;
859 pix->priv = 0;
860
861 return 0;
862 }
863
solo_enc_set_fmt_cap(struct file * file,void * priv,struct v4l2_format * f)864 static int solo_enc_set_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 int ret;
871
872 if (vb2_is_busy(&solo_enc->vidq))
873 return -EBUSY;
874
875 ret = solo_enc_try_fmt_cap(file, priv, f);
876 if (ret)
877 return ret;
878
879 if (pix->width == solo_dev->video_hsize)
880 solo_enc->mode = SOLO_ENC_MODE_D1;
881 else
882 solo_enc->mode = SOLO_ENC_MODE_CIF;
883
884 /* This does not change the encoder at all */
885 solo_enc->fmt = pix->pixelformat;
886
887 /*
888 * More information is needed about these 'extended' types. As far
889 * as I can tell these are basically additional video streams with
890 * different MPEG encoding attributes that can run in parallel with
891 * the main stream. If so, then this should be implemented as a
892 * second video node. Abusing priv like this is certainly not the
893 * right approach.
894 if (pix->priv)
895 solo_enc->type = SOLO_ENC_TYPE_EXT;
896 */
897 solo_update_mode(solo_enc);
898 return 0;
899 }
900
solo_enc_get_fmt_cap(struct file * file,void * priv,struct v4l2_format * f)901 static int solo_enc_get_fmt_cap(struct file *file, void *priv,
902 struct v4l2_format *f)
903 {
904 struct solo_enc_dev *solo_enc = video_drvdata(file);
905 struct v4l2_pix_format *pix = &f->fmt.pix;
906
907 pix->width = solo_enc->width;
908 pix->height = solo_enc->height;
909 pix->pixelformat = solo_enc->fmt;
910 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
911 V4L2_FIELD_NONE;
912 pix->sizeimage = FRAME_BUF_SIZE;
913 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
914 pix->priv = 0;
915
916 return 0;
917 }
918
solo_enc_g_std(struct file * file,void * priv,v4l2_std_id * i)919 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i)
920 {
921 struct solo_enc_dev *solo_enc = video_drvdata(file);
922 struct solo_dev *solo_dev = solo_enc->solo_dev;
923
924 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
925 *i = V4L2_STD_NTSC_M;
926 else
927 *i = V4L2_STD_PAL;
928 return 0;
929 }
930
solo_enc_s_std(struct file * file,void * priv,v4l2_std_id std)931 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std)
932 {
933 struct solo_enc_dev *solo_enc = video_drvdata(file);
934
935 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_PAL);
936 }
937
solo_enum_framesizes(struct file * file,void * priv,struct v4l2_frmsizeenum * fsize)938 static int solo_enum_framesizes(struct file *file, void *priv,
939 struct v4l2_frmsizeenum *fsize)
940 {
941 struct solo_enc_dev *solo_enc = video_drvdata(file);
942 struct solo_dev *solo_dev = solo_enc->solo_dev;
943
944 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type))
945 return -EINVAL;
946
947 switch (fsize->index) {
948 case 0:
949 fsize->discrete.width = solo_dev->video_hsize >> 1;
950 fsize->discrete.height = solo_dev->video_vsize;
951 break;
952 case 1:
953 fsize->discrete.width = solo_dev->video_hsize;
954 fsize->discrete.height = solo_dev->video_vsize << 1;
955 break;
956 default:
957 return -EINVAL;
958 }
959
960 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
961
962 return 0;
963 }
964
solo_enum_frameintervals(struct file * file,void * priv,struct v4l2_frmivalenum * fintv)965 static int solo_enum_frameintervals(struct file *file, void *priv,
966 struct v4l2_frmivalenum *fintv)
967 {
968 struct solo_enc_dev *solo_enc = video_drvdata(file);
969 struct solo_dev *solo_dev = solo_enc->solo_dev;
970
971 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type))
972 return -EINVAL;
973 if (fintv->index)
974 return -EINVAL;
975 if ((fintv->width != solo_dev->video_hsize >> 1 ||
976 fintv->height != solo_dev->video_vsize) &&
977 (fintv->width != solo_dev->video_hsize ||
978 fintv->height != solo_dev->video_vsize << 1))
979 return -EINVAL;
980
981 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
982
983 fintv->stepwise.min.numerator = 1;
984 fintv->stepwise.min.denominator = solo_dev->fps;
985
986 fintv->stepwise.max.numerator = 15;
987 fintv->stepwise.max.denominator = solo_dev->fps;
988
989 fintv->stepwise.step.numerator = 1;
990 fintv->stepwise.step.denominator = solo_dev->fps;
991
992 return 0;
993 }
994
solo_g_parm(struct file * file,void * priv,struct v4l2_streamparm * sp)995 static int solo_g_parm(struct file *file, void *priv,
996 struct v4l2_streamparm *sp)
997 {
998 struct solo_enc_dev *solo_enc = video_drvdata(file);
999 struct solo_dev *solo_dev = solo_enc->solo_dev;
1000 struct v4l2_captureparm *cp = &sp->parm.capture;
1001
1002 cp->capability = V4L2_CAP_TIMEPERFRAME;
1003 cp->timeperframe.numerator = solo_enc->interval;
1004 cp->timeperframe.denominator = solo_dev->fps;
1005 cp->capturemode = 0;
1006 /* XXX: Shouldn't we be able to get/set this from videobuf? */
1007 cp->readbuffers = 2;
1008
1009 return 0;
1010 }
1011
solo_s_parm(struct file * file,void * priv,struct v4l2_streamparm * sp)1012 static int solo_s_parm(struct file *file, void *priv,
1013 struct v4l2_streamparm *sp)
1014 {
1015 struct solo_enc_dev *solo_enc = video_drvdata(file);
1016 struct solo_dev *solo_dev = solo_enc->solo_dev;
1017 struct v4l2_captureparm *cp = &sp->parm.capture;
1018
1019 if (vb2_is_streaming(&solo_enc->vidq))
1020 return -EBUSY;
1021
1022 if ((cp->timeperframe.numerator == 0) ||
1023 (cp->timeperframe.denominator == 0)) {
1024 /* reset framerate */
1025 cp->timeperframe.numerator = 1;
1026 cp->timeperframe.denominator = solo_dev->fps;
1027 }
1028
1029 if (cp->timeperframe.denominator != solo_dev->fps)
1030 cp->timeperframe.denominator = solo_dev->fps;
1031
1032 if (cp->timeperframe.numerator > 15)
1033 cp->timeperframe.numerator = 15;
1034
1035 solo_enc->interval = cp->timeperframe.numerator;
1036
1037 cp->capability = V4L2_CAP_TIMEPERFRAME;
1038 cp->readbuffers = 2;
1039
1040 solo_update_mode(solo_enc);
1041 return 0;
1042 }
1043
solo_enc_default(struct file * file,void * fh,bool valid_prio,unsigned int cmd,void * arg)1044 static long solo_enc_default(struct file *file, void *fh,
1045 bool valid_prio, unsigned int cmd, void *arg)
1046 {
1047 struct solo_enc_dev *solo_enc = video_drvdata(file);
1048 struct solo_dev *solo_dev = solo_enc->solo_dev;
1049 struct solo_motion_thresholds *thresholds = arg;
1050
1051 switch (cmd) {
1052 case SOLO_IOC_G_MOTION_THRESHOLDS:
1053 *thresholds = solo_enc->motion_thresholds;
1054 return 0;
1055
1056 case SOLO_IOC_S_MOTION_THRESHOLDS:
1057 if (!valid_prio)
1058 return -EBUSY;
1059 solo_enc->motion_thresholds = *thresholds;
1060 if (solo_enc->motion_enabled && !solo_enc->motion_global)
1061 return solo_set_motion_block(solo_dev, solo_enc->ch,
1062 &solo_enc->motion_thresholds);
1063 return 0;
1064 default:
1065 return -ENOTTY;
1066 }
1067 }
1068
solo_s_ctrl(struct v4l2_ctrl * ctrl)1069 static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
1070 {
1071 struct solo_enc_dev *solo_enc =
1072 container_of(ctrl->handler, struct solo_enc_dev, hdl);
1073 struct solo_dev *solo_dev = solo_enc->solo_dev;
1074 int err;
1075
1076 switch (ctrl->id) {
1077 case V4L2_CID_BRIGHTNESS:
1078 case V4L2_CID_CONTRAST:
1079 case V4L2_CID_SATURATION:
1080 case V4L2_CID_HUE:
1081 case V4L2_CID_SHARPNESS:
1082 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1083 ctrl->val);
1084 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1085 solo_enc->gop = ctrl->val;
1086 return 0;
1087 case V4L2_CID_MOTION_THRESHOLD:
1088 solo_enc->motion_thresh = ctrl->val;
1089 if (!solo_enc->motion_global || !solo_enc->motion_enabled)
1090 return 0;
1091 return solo_set_motion_threshold(solo_dev, solo_enc->ch, ctrl->val);
1092 case V4L2_CID_MOTION_MODE:
1093 solo_enc->motion_global = ctrl->val == 1;
1094 solo_enc->motion_enabled = ctrl->val > 0;
1095 if (ctrl->val) {
1096 if (solo_enc->motion_global)
1097 solo_set_motion_threshold(solo_dev, solo_enc->ch,
1098 solo_enc->motion_thresh);
1099 else
1100 solo_set_motion_block(solo_dev, solo_enc->ch,
1101 &solo_enc->motion_thresholds);
1102 }
1103 solo_motion_toggle(solo_enc, ctrl->val);
1104 return 0;
1105 case V4L2_CID_OSD_TEXT:
1106 strcpy(solo_enc->osd_text, ctrl->string);
1107 err = solo_osd_print(solo_enc);
1108 return err;
1109 default:
1110 return -EINVAL;
1111 }
1112
1113 return 0;
1114 }
1115
1116 static const struct v4l2_file_operations solo_enc_fops = {
1117 .owner = THIS_MODULE,
1118 .open = v4l2_fh_open,
1119 .release = vb2_fop_release,
1120 .read = vb2_fop_read,
1121 .poll = vb2_fop_poll,
1122 .mmap = vb2_fop_mmap,
1123 .unlocked_ioctl = video_ioctl2,
1124 };
1125
1126 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
1127 .vidioc_querycap = solo_enc_querycap,
1128 .vidioc_s_std = solo_enc_s_std,
1129 .vidioc_g_std = solo_enc_g_std,
1130 /* Input callbacks */
1131 .vidioc_enum_input = solo_enc_enum_input,
1132 .vidioc_s_input = solo_enc_set_input,
1133 .vidioc_g_input = solo_enc_get_input,
1134 /* Video capture format callbacks */
1135 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap,
1136 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap,
1137 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap,
1138 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap,
1139 /* Streaming I/O */
1140 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1141 .vidioc_querybuf = vb2_ioctl_querybuf,
1142 .vidioc_qbuf = vb2_ioctl_qbuf,
1143 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1144 .vidioc_streamon = vb2_ioctl_streamon,
1145 .vidioc_streamoff = vb2_ioctl_streamoff,
1146 /* Frame size and interval */
1147 .vidioc_enum_framesizes = solo_enum_framesizes,
1148 .vidioc_enum_frameintervals = solo_enum_frameintervals,
1149 /* Video capture parameters */
1150 .vidioc_s_parm = solo_s_parm,
1151 .vidioc_g_parm = solo_g_parm,
1152 /* Logging and events */
1153 .vidioc_log_status = v4l2_ctrl_log_status,
1154 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1155 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1156 .vidioc_default = solo_enc_default,
1157 };
1158
1159 static const struct video_device solo_enc_template = {
1160 .name = SOLO6X10_NAME,
1161 .fops = &solo_enc_fops,
1162 .ioctl_ops = &solo_enc_ioctl_ops,
1163 .minor = -1,
1164 .release = video_device_release,
1165 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL,
1166 };
1167
1168 static const struct v4l2_ctrl_ops solo_ctrl_ops = {
1169 .s_ctrl = solo_s_ctrl,
1170 };
1171
1172 static const struct v4l2_ctrl_config solo_motion_threshold_ctrl = {
1173 .ops = &solo_ctrl_ops,
1174 .id = V4L2_CID_MOTION_THRESHOLD,
1175 .name = "Motion Detection Threshold",
1176 .type = V4L2_CTRL_TYPE_INTEGER,
1177 .max = 0xffff,
1178 .def = SOLO_DEF_MOT_THRESH,
1179 .step = 1,
1180 .flags = V4L2_CTRL_FLAG_SLIDER,
1181 };
1182
1183 static const char * const solo_motion_mode_menu[] = {
1184 "Disabled",
1185 "Global Threshold",
1186 "Regional Threshold",
1187 NULL
1188 };
1189
1190 static const struct v4l2_ctrl_config solo_motion_enable_ctrl = {
1191 .ops = &solo_ctrl_ops,
1192 .id = V4L2_CID_MOTION_MODE,
1193 .name = "Motion Detection Mode",
1194 .type = V4L2_CTRL_TYPE_MENU,
1195 .qmenu = solo_motion_mode_menu,
1196 .max = 2,
1197 };
1198
1199 static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
1200 .ops = &solo_ctrl_ops,
1201 .id = V4L2_CID_OSD_TEXT,
1202 .name = "OSD Text",
1203 .type = V4L2_CTRL_TYPE_STRING,
1204 .max = OSD_TEXT_MAX,
1205 .step = 1,
1206 };
1207
solo_enc_alloc(struct solo_dev * solo_dev,u8 ch,unsigned nr)1208 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
1209 u8 ch, unsigned nr)
1210 {
1211 struct solo_enc_dev *solo_enc;
1212 struct v4l2_ctrl_handler *hdl;
1213 int ret;
1214 int x, y;
1215
1216 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL);
1217 if (!solo_enc)
1218 return ERR_PTR(-ENOMEM);
1219
1220 hdl = &solo_enc->hdl;
1221 v4l2_ctrl_handler_init(hdl, 10);
1222 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1223 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1224 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1225 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1226 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1227 V4L2_CID_SATURATION, 0, 255, 1, 128);
1228 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1229 V4L2_CID_HUE, 0, 255, 1, 128);
1230 if (tw28_has_sharpness(solo_dev, ch))
1231 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1232 V4L2_CID_SHARPNESS, 0, 15, 1, 0);
1233 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1234 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps);
1235 v4l2_ctrl_new_custom(hdl, &solo_motion_threshold_ctrl, NULL);
1236 v4l2_ctrl_new_custom(hdl, &solo_motion_enable_ctrl, NULL);
1237 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
1238 if (hdl->error) {
1239 ret = hdl->error;
1240 goto hdl_free;
1241 }
1242
1243 solo_enc->solo_dev = solo_dev;
1244 solo_enc->ch = ch;
1245 mutex_init(&solo_enc->lock);
1246 spin_lock_init(&solo_enc->av_lock);
1247 INIT_LIST_HEAD(&solo_enc->vidq_active);
1248 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ?
1249 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264;
1250 solo_enc->type = SOLO_ENC_TYPE_STD;
1251
1252 solo_enc->qp = SOLO_DEFAULT_QP;
1253 solo_enc->gop = solo_dev->fps;
1254 solo_enc->interval = 1;
1255 solo_enc->mode = SOLO_ENC_MODE_CIF;
1256 solo_enc->motion_global = true;
1257 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
1258 for (y = 0; y < SOLO_MOTION_SZ; y++)
1259 for (x = 0; x < SOLO_MOTION_SZ; x++)
1260 solo_enc->motion_thresholds.thresholds[y][x] =
1261 SOLO_DEF_MOT_THRESH;
1262
1263 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1264 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
1265 solo_enc->vidq.ops = &solo_enc_video_qops;
1266 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
1267 solo_enc->vidq.drv_priv = solo_enc;
1268 solo_enc->vidq.gfp_flags = __GFP_DMA32;
1269 solo_enc->vidq.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1270 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
1271 solo_enc->vidq.lock = &solo_enc->lock;
1272 ret = vb2_queue_init(&solo_enc->vidq);
1273 if (ret)
1274 goto hdl_free;
1275 solo_update_mode(solo_enc);
1276
1277 spin_lock_init(&solo_enc->motion_lock);
1278
1279 /* Initialize this per encoder */
1280 solo_enc->jpeg_len = sizeof(jpeg_header);
1281 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);
1282
1283 solo_enc->desc_nelts = 32;
1284 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev,
1285 sizeof(struct solo_p2m_desc) *
1286 solo_enc->desc_nelts, &solo_enc->desc_dma);
1287 ret = -ENOMEM;
1288 if (solo_enc->desc_items == NULL)
1289 goto hdl_free;
1290
1291 solo_enc->vfd = video_device_alloc();
1292 if (!solo_enc->vfd)
1293 goto pci_free;
1294
1295 *solo_enc->vfd = solo_enc_template;
1296 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
1297 solo_enc->vfd->ctrl_handler = hdl;
1298 solo_enc->vfd->queue = &solo_enc->vidq;
1299 solo_enc->vfd->lock = &solo_enc->lock;
1300 set_bit(V4L2_FL_USE_FH_PRIO, &solo_enc->vfd->flags);
1301 video_set_drvdata(solo_enc->vfd, solo_enc);
1302 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);
1303 if (ret < 0)
1304 goto vdev_release;
1305
1306 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
1307 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num,
1308 solo_enc->vfd->num);
1309
1310 return solo_enc;
1311
1312 vdev_release:
1313 video_device_release(solo_enc->vfd);
1314 pci_free:
1315 pci_free_consistent(solo_enc->solo_dev->pdev,
1316 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1317 solo_enc->desc_items, solo_enc->desc_dma);
1318 hdl_free:
1319 v4l2_ctrl_handler_free(hdl);
1320 kfree(solo_enc);
1321 return ERR_PTR(ret);
1322 }
1323
solo_enc_free(struct solo_enc_dev * solo_enc)1324 static void solo_enc_free(struct solo_enc_dev *solo_enc)
1325 {
1326 if (solo_enc == NULL)
1327 return;
1328
1329 video_unregister_device(solo_enc->vfd);
1330 v4l2_ctrl_handler_free(&solo_enc->hdl);
1331 kfree(solo_enc);
1332 }
1333
solo_enc_v4l2_init(struct solo_dev * solo_dev,unsigned nr)1334 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
1335 {
1336 int i;
1337
1338 init_waitqueue_head(&solo_dev->ring_thread_wait);
1339
1340 solo_dev->vh_size = sizeof(struct vop_header);
1341 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev,
1342 solo_dev->vh_size,
1343 &solo_dev->vh_dma);
1344 if (solo_dev->vh_buf == NULL)
1345 return -ENOMEM;
1346
1347 for (i = 0; i < solo_dev->nr_chans; i++) {
1348 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr);
1349 if (IS_ERR(solo_dev->v4l2_enc[i]))
1350 break;
1351 }
1352
1353 if (i != solo_dev->nr_chans) {
1354 int ret = PTR_ERR(solo_dev->v4l2_enc[i]);
1355 while (i--)
1356 solo_enc_free(solo_dev->v4l2_enc[i]);
1357 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1358 solo_dev->vh_buf, solo_dev->vh_dma);
1359 solo_dev->vh_buf = NULL;
1360 return ret;
1361 }
1362
1363 if (solo_dev->type == SOLO_DEV_6010)
1364 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
1365 else
1366 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5;
1367
1368 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
1369 solo_dev->v4l2_enc[0]->vfd->num,
1370 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);
1371
1372 return 0;
1373 }
1374
solo_enc_v4l2_exit(struct solo_dev * solo_dev)1375 void solo_enc_v4l2_exit(struct solo_dev *solo_dev)
1376 {
1377 int i;
1378
1379 for (i = 0; i < solo_dev->nr_chans; i++)
1380 solo_enc_free(solo_dev->v4l2_enc[i]);
1381
1382 if (solo_dev->vh_buf)
1383 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
1384 solo_dev->vh_buf, solo_dev->vh_dma);
1385 }
1386