1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2010-2013 Bluecherry, LLC <https://www.bluecherrydvr.com>
4 *
5 * Original author:
6 * Ben Collins <bcollins@ubuntu.com>
7 *
8 * Additional work by:
9 * John Brooks <john.brooks@bluecherry.net>
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/kthread.h>
15 #include <linux/freezer.h>
16
17 #include <media/v4l2-ioctl.h>
18 #include <media/v4l2-common.h>
19 #include <media/v4l2-event.h>
20 #include <media/videobuf2-dma-sg.h>
21
22 #include "solo6x10.h"
23 #include "solo6x10-tw28.h"
24 #include "solo6x10-jpeg.h"
25
26 #define MIN_VID_BUFFERS 2
27 #define FRAME_BUF_SIZE (400 * 1024)
28 #define MP4_QS 16
29 #define DMA_ALIGN 4096
30
31 /* 6010 M4V */
32 static u8 vop_6010_ntsc_d1[] = {
33 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
34 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
35 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
36 0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f,
37 };
38
39 static u8 vop_6010_ntsc_cif[] = {
40 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
41 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
42 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
43 0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f,
44 };
45
46 static u8 vop_6010_pal_d1[] = {
47 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
48 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
49 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
50 0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f,
51 };
52
53 static u8 vop_6010_pal_cif[] = {
54 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
55 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
56 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
57 0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f,
58 };
59
60 /* 6110 h.264 */
61 static u8 vop_6110_ntsc_d1[] = {
62 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
63 0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00,
64 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
65 };
66
67 static u8 vop_6110_ntsc_cif[] = {
68 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
69 0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00,
70 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
71 };
72
73 static u8 vop_6110_pal_d1[] = {
74 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
75 0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00,
76 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
77 };
78
79 static u8 vop_6110_pal_cif[] = {
80 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
81 0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00,
82 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
83 };
84
85 typedef __le32 vop_header[16];
86
87 struct solo_enc_buf {
88 enum solo_enc_types type;
89 const vop_header *vh;
90 int motion;
91 };
92
solo_is_motion_on(struct solo_enc_dev * solo_enc)93 static int solo_is_motion_on(struct solo_enc_dev *solo_enc)
94 {
95 struct solo_dev *solo_dev = solo_enc->solo_dev;
96
97 return (solo_dev->motion_mask >> solo_enc->ch) & 1;
98 }
99
solo_motion_detected(struct solo_enc_dev * solo_enc)100 static int solo_motion_detected(struct solo_enc_dev *solo_enc)
101 {
102 struct solo_dev *solo_dev = solo_enc->solo_dev;
103 unsigned long flags;
104 u32 ch_mask = 1 << solo_enc->ch;
105 int ret = 0;
106
107 spin_lock_irqsave(&solo_enc->motion_lock, flags);
108 if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) {
109 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask);
110 ret = 1;
111 }
112 spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
113
114 return ret;
115 }
116
solo_motion_toggle(struct solo_enc_dev * solo_enc,int on)117 static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on)
118 {
119 struct solo_dev *solo_dev = solo_enc->solo_dev;
120 u32 mask = 1 << solo_enc->ch;
121 unsigned long flags;
122
123 spin_lock_irqsave(&solo_enc->motion_lock, flags);
124
125 if (on)
126 solo_dev->motion_mask |= mask;
127 else
128 solo_dev->motion_mask &= ~mask;
129
130 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask);
131
132 solo_reg_write(solo_dev, SOLO_VI_MOT_ADR,
133 SOLO_VI_MOTION_EN(solo_dev->motion_mask) |
134 (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16));
135
136 spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
137 }
138
solo_update_mode(struct solo_enc_dev * solo_enc)139 void solo_update_mode(struct solo_enc_dev *solo_enc)
140 {
141 struct solo_dev *solo_dev = solo_enc->solo_dev;
142 int vop_len;
143 u8 *vop;
144
145 solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0;
146 solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1);
147
148 if (solo_enc->mode == SOLO_ENC_MODE_CIF) {
149 solo_enc->width = solo_dev->video_hsize >> 1;
150 solo_enc->height = solo_dev->video_vsize;
151 if (solo_dev->type == SOLO_DEV_6110) {
152 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
153 vop = vop_6110_ntsc_cif;
154 vop_len = sizeof(vop_6110_ntsc_cif);
155 } else {
156 vop = vop_6110_pal_cif;
157 vop_len = sizeof(vop_6110_pal_cif);
158 }
159 } else {
160 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
161 vop = vop_6010_ntsc_cif;
162 vop_len = sizeof(vop_6010_ntsc_cif);
163 } else {
164 vop = vop_6010_pal_cif;
165 vop_len = sizeof(vop_6010_pal_cif);
166 }
167 }
168 } else {
169 solo_enc->width = solo_dev->video_hsize;
170 solo_enc->height = solo_dev->video_vsize << 1;
171 solo_enc->bw_weight <<= 2;
172 if (solo_dev->type == SOLO_DEV_6110) {
173 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
174 vop = vop_6110_ntsc_d1;
175 vop_len = sizeof(vop_6110_ntsc_d1);
176 } else {
177 vop = vop_6110_pal_d1;
178 vop_len = sizeof(vop_6110_pal_d1);
179 }
180 } else {
181 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
182 vop = vop_6010_ntsc_d1;
183 vop_len = sizeof(vop_6010_ntsc_d1);
184 } else {
185 vop = vop_6010_pal_d1;
186 vop_len = sizeof(vop_6010_pal_d1);
187 }
188 }
189 }
190
191 memcpy(solo_enc->vop, vop, vop_len);
192
193 /* Some fixups for 6010/M4V */
194 if (solo_dev->type == SOLO_DEV_6010) {
195 u16 fps = solo_dev->fps * 1000;
196 u16 interval = solo_enc->interval * 1000;
197
198 vop = solo_enc->vop;
199
200 /* Frame rate and interval */
201 vop[22] = fps >> 4;
202 vop[23] = ((fps << 4) & 0xf0) | 0x0c
203 | ((interval >> 13) & 0x3);
204 vop[24] = (interval >> 5) & 0xff;
205 vop[25] = ((interval << 3) & 0xf8) | 0x04;
206 }
207
208 solo_enc->vop_len = vop_len;
209
210 /* Now handle the jpeg header */
211 vop = solo_enc->jpeg_header;
212 vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8);
213 vop[SOF0_START + 6] = 0xff & solo_enc->height;
214 vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8);
215 vop[SOF0_START + 8] = 0xff & solo_enc->width;
216
217 memcpy(vop + DQT_START,
218 jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN);
219 }
220
solo_enc_on(struct solo_enc_dev * solo_enc)221 static int solo_enc_on(struct solo_enc_dev *solo_enc)
222 {
223 u8 ch = solo_enc->ch;
224 struct solo_dev *solo_dev = solo_enc->solo_dev;
225 u8 interval;
226
227 solo_update_mode(solo_enc);
228
229 /* Make sure to do a bandwidth check */
230 if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
231 return -EBUSY;
232 solo_enc->sequence = 0;
233 solo_dev->enc_bw_remain -= solo_enc->bw_weight;
234
235 if (solo_enc->type == SOLO_ENC_TYPE_EXT)
236 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1);
237
238 /* Disable all encoding for this channel */
239 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0);
240
241 /* Common for both std and ext encoding */
242 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch),
243 solo_enc->interlaced ? 1 : 0);
244
245 if (solo_enc->interlaced)
246 interval = solo_enc->interval - 1;
247 else
248 interval = solo_enc->interval;
249
250 /* Standard encoding only */
251 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop);
252 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp);
253 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval);
254
255 /* Extended encoding only */
256 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop);
257 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp);
258 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval);
259
260 /* Enables the standard encoder */
261 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode);
262
263 return 0;
264 }
265
solo_enc_off(struct solo_enc_dev * solo_enc)266 static void solo_enc_off(struct solo_enc_dev *solo_enc)
267 {
268 struct solo_dev *solo_dev = solo_enc->solo_dev;
269
270 solo_dev->enc_bw_remain += solo_enc->bw_weight;
271
272 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0);
273 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0);
274 }
275
enc_get_mpeg_dma(struct solo_dev * solo_dev,dma_addr_t dma,unsigned int off,unsigned int size)276 static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma,
277 unsigned int off, unsigned int size)
278 {
279 int ret;
280
281 if (off > SOLO_MP4E_EXT_SIZE(solo_dev))
282 return -EINVAL;
283
284 /* Single shot */
285 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) {
286 return solo_p2m_dma_t(solo_dev, 0, dma,
287 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size,
288 0, 0);
289 }
290
291 /* Buffer wrap */
292 ret = solo_p2m_dma_t(solo_dev, 0, dma,
293 SOLO_MP4E_EXT_ADDR(solo_dev) + off,
294 SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0);
295
296 if (!ret) {
297 ret = solo_p2m_dma_t(solo_dev, 0,
298 dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off,
299 SOLO_MP4E_EXT_ADDR(solo_dev),
300 size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0);
301 }
302
303 return ret;
304 }
305
306 /* Build a descriptor queue out of an SG list and send it to the P2M for
307 * processing. */
solo_send_desc(struct solo_enc_dev * solo_enc,int skip,struct sg_table * vbuf,int off,int size,unsigned int base,unsigned int base_size)308 static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip,
309 struct sg_table *vbuf, int off, int size,
310 unsigned int base, unsigned int base_size)
311 {
312 struct solo_dev *solo_dev = solo_enc->solo_dev;
313 struct scatterlist *sg;
314 int i;
315 int ret;
316
317 if (WARN_ON_ONCE(size > FRAME_BUF_SIZE))
318 return -EINVAL;
319
320 solo_enc->desc_count = 1;
321
322 for_each_sg(vbuf->sgl, sg, vbuf->nents, i) {
323 struct solo_p2m_desc *desc;
324 dma_addr_t dma;
325 int len;
326 int left = base_size - off;
327
328 desc = &solo_enc->desc_items[solo_enc->desc_count++];
329 dma = sg_dma_address(sg);
330 len = sg_dma_len(sg);
331
332 /* We assume this is smaller than the scatter size */
333 BUG_ON(skip >= len);
334 if (skip) {
335 len -= skip;
336 dma += skip;
337 size -= skip;
338 skip = 0;
339 }
340
341 len = min(len, size);
342
343 if (len <= left) {
344 /* Single descriptor */
345 solo_p2m_fill_desc(desc, 0, dma, base + off,
346 len, 0, 0);
347 } else {
348 /* Buffer wrap */
349 /* XXX: Do these as separate DMA requests, to avoid
350 timeout errors triggered by awkwardly sized
351 descriptors. See
352 <https://github.com/bluecherrydvr/solo6x10/issues/8>
353 */
354 ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off,
355 left, 0, 0);
356 if (ret)
357 return ret;
358
359 ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base,
360 len - left, 0, 0);
361 if (ret)
362 return ret;
363
364 solo_enc->desc_count--;
365 }
366
367 size -= len;
368 if (size <= 0)
369 break;
370
371 off += len;
372 if (off >= base_size)
373 off -= base_size;
374
375 /* Because we may use two descriptors per loop */
376 if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) {
377 ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items,
378 solo_enc->desc_dma,
379 solo_enc->desc_count - 1);
380 if (ret)
381 return ret;
382 solo_enc->desc_count = 1;
383 }
384 }
385
386 if (solo_enc->desc_count <= 1)
387 return 0;
388
389 return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items,
390 solo_enc->desc_dma, solo_enc->desc_count - 1);
391 }
392
393 /* Extract values from VOP header - VE_STATUSxx */
vop_interlaced(const vop_header * vh)394 static inline int vop_interlaced(const vop_header *vh)
395 {
396 return (__le32_to_cpu((*vh)[0]) >> 30) & 1;
397 }
398
vop_channel(const vop_header * vh)399 static inline u8 vop_channel(const vop_header *vh)
400 {
401 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F;
402 }
403
vop_type(const vop_header * vh)404 static inline u8 vop_type(const vop_header *vh)
405 {
406 return (__le32_to_cpu((*vh)[0]) >> 22) & 3;
407 }
408
vop_mpeg_size(const vop_header * vh)409 static inline u32 vop_mpeg_size(const vop_header *vh)
410 {
411 return __le32_to_cpu((*vh)[0]) & 0xFFFFF;
412 }
413
vop_hsize(const vop_header * vh)414 static inline u8 vop_hsize(const vop_header *vh)
415 {
416 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF;
417 }
418
vop_vsize(const vop_header * vh)419 static inline u8 vop_vsize(const vop_header *vh)
420 {
421 return __le32_to_cpu((*vh)[1]) & 0xFF;
422 }
423
vop_mpeg_offset(const vop_header * vh)424 static inline u32 vop_mpeg_offset(const vop_header *vh)
425 {
426 return __le32_to_cpu((*vh)[2]);
427 }
428
vop_jpeg_offset(const vop_header * vh)429 static inline u32 vop_jpeg_offset(const vop_header *vh)
430 {
431 return __le32_to_cpu((*vh)[3]);
432 }
433
vop_jpeg_size(const vop_header * vh)434 static inline u32 vop_jpeg_size(const vop_header *vh)
435 {
436 return __le32_to_cpu((*vh)[4]) & 0xFFFFF;
437 }
438
vop_sec(const vop_header * vh)439 static inline u32 vop_sec(const vop_header *vh)
440 {
441 return __le32_to_cpu((*vh)[5]);
442 }
443
vop_usec(const vop_header * vh)444 static inline u32 vop_usec(const vop_header *vh)
445 {
446 return __le32_to_cpu((*vh)[6]);
447 }
448
solo_fill_jpeg(struct solo_enc_dev * solo_enc,struct vb2_buffer * vb,const vop_header * vh)449 static int solo_fill_jpeg(struct solo_enc_dev *solo_enc,
450 struct vb2_buffer *vb, const vop_header *vh)
451 {
452 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
453 struct solo_dev *solo_dev = solo_enc->solo_dev;
454 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
455 int frame_size;
456
457 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;
458
459 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len)
460 return -EIO;
461
462 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN);
463 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len);
464
465 return solo_send_desc(solo_enc, solo_enc->jpeg_len, sgt,
466 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev),
467 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
468 SOLO_JPEG_EXT_SIZE(solo_dev));
469 }
470
solo_fill_mpeg(struct solo_enc_dev * solo_enc,struct vb2_buffer * vb,const vop_header * vh)471 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
472 struct vb2_buffer *vb, const vop_header *vh)
473 {
474 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
475 struct solo_dev *solo_dev = solo_enc->solo_dev;
476 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
477 int frame_off, frame_size;
478 int skip = 0;
479
480 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh))
481 return -EIO;
482
483 /* If this is a key frame, add extra header */
484 vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME |
485 V4L2_BUF_FLAG_BFRAME);
486 if (!vop_type(vh)) {
487 skip = solo_enc->vop_len;
488 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;
489 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) +
490 solo_enc->vop_len);
491 } else {
492 vbuf->flags |= V4L2_BUF_FLAG_PFRAME;
493 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh));
494 }
495
496 /* Now get the actual mpeg payload */
497 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) +
498 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev);
499 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN);
500
501 return solo_send_desc(solo_enc, skip, sgt, frame_off, frame_size,
502 SOLO_MP4E_EXT_ADDR(solo_dev),
503 SOLO_MP4E_EXT_SIZE(solo_dev));
504 }
505
solo_enc_fillbuf(struct solo_enc_dev * solo_enc,struct vb2_buffer * vb,struct solo_enc_buf * enc_buf)506 static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
507 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf)
508 {
509 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
510 const vop_header *vh = enc_buf->vh;
511 int ret;
512
513 switch (solo_enc->fmt) {
514 case V4L2_PIX_FMT_MPEG4:
515 case V4L2_PIX_FMT_H264:
516 ret = solo_fill_mpeg(solo_enc, vb, vh);
517 break;
518 default: /* V4L2_PIX_FMT_MJPEG */
519 ret = solo_fill_jpeg(solo_enc, vb, vh);
520 break;
521 }
522
523 if (!ret) {
524 vbuf->sequence = solo_enc->sequence++;
525 vb->timestamp = ktime_get_ns();
526
527 /* Check for motion flags */
528 if (solo_is_motion_on(solo_enc) && enc_buf->motion) {
529 struct v4l2_event ev = {
530 .type = V4L2_EVENT_MOTION_DET,
531 .u.motion_det = {
532 .flags
533 = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
534 .frame_sequence = vbuf->sequence,
535 .region_mask = enc_buf->motion ? 1 : 0,
536 },
537 };
538
539 v4l2_event_queue(solo_enc->vfd, &ev);
540 }
541 }
542
543 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
544
545 return ret;
546 }
547
solo_enc_handle_one(struct solo_enc_dev * solo_enc,struct solo_enc_buf * enc_buf)548 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc,
549 struct solo_enc_buf *enc_buf)
550 {
551 struct solo_vb2_buf *vb;
552 unsigned long flags;
553
554 mutex_lock(&solo_enc->lock);
555 if (solo_enc->type != enc_buf->type)
556 goto unlock;
557
558 spin_lock_irqsave(&solo_enc->av_lock, flags);
559 if (list_empty(&solo_enc->vidq_active)) {
560 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
561 goto unlock;
562 }
563 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf,
564 list);
565 list_del(&vb->list);
566 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
567
568 solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf);
569 unlock:
570 mutex_unlock(&solo_enc->lock);
571 }
572
solo_enc_v4l2_isr(struct solo_dev * solo_dev)573 void solo_enc_v4l2_isr(struct solo_dev *solo_dev)
574 {
575 wake_up_interruptible_all(&solo_dev->ring_thread_wait);
576 }
577
solo_handle_ring(struct solo_dev * solo_dev)578 static void solo_handle_ring(struct solo_dev *solo_dev)
579 {
580 for (;;) {
581 struct solo_enc_dev *solo_enc;
582 struct solo_enc_buf enc_buf;
583 u32 mpeg_current, off;
584 u8 ch;
585 u8 cur_q;
586
587 /* Check if the hardware has any new ones in the queue */
588 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff;
589 if (cur_q == solo_dev->enc_idx)
590 break;
591
592 mpeg_current = solo_reg_read(solo_dev,
593 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
594 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS;
595
596 ch = (mpeg_current >> 24) & 0x1f;
597 off = mpeg_current & 0x00ffffff;
598
599 if (ch >= SOLO_MAX_CHANNELS) {
600 ch -= SOLO_MAX_CHANNELS;
601 enc_buf.type = SOLO_ENC_TYPE_EXT;
602 } else
603 enc_buf.type = SOLO_ENC_TYPE_STD;
604
605 solo_enc = solo_dev->v4l2_enc[ch];
606 if (solo_enc == NULL) {
607 dev_err(&solo_dev->pdev->dev,
608 "Got spurious packet for channel %d\n", ch);
609 continue;
610 }
611
612 /* FAIL... */
613 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off,
614 sizeof(vop_header)))
615 continue;
616
617 enc_buf.vh = solo_dev->vh_buf;
618
619 /* Sanity check */
620 if (vop_mpeg_offset(enc_buf.vh) !=
621 SOLO_MP4E_EXT_ADDR(solo_dev) + off)
622 continue;
623
624 if (solo_motion_detected(solo_enc))
625 enc_buf.motion = 1;
626 else
627 enc_buf.motion = 0;
628
629 solo_enc_handle_one(solo_enc, &enc_buf);
630 }
631 }
632
solo_ring_thread(void * data)633 static int solo_ring_thread(void *data)
634 {
635 struct solo_dev *solo_dev = data;
636 DECLARE_WAITQUEUE(wait, current);
637
638 set_freezable();
639 add_wait_queue(&solo_dev->ring_thread_wait, &wait);
640
641 for (;;) {
642 long timeout = schedule_timeout_interruptible(HZ);
643
644 if (timeout == -ERESTARTSYS || kthread_should_stop())
645 break;
646 solo_handle_ring(solo_dev);
647 try_to_freeze();
648 }
649
650 remove_wait_queue(&solo_dev->ring_thread_wait, &wait);
651
652 return 0;
653 }
654
solo_enc_queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])655 static int solo_enc_queue_setup(struct vb2_queue *q,
656 unsigned int *num_buffers,
657 unsigned int *num_planes, unsigned int sizes[],
658 struct device *alloc_devs[])
659 {
660 sizes[0] = FRAME_BUF_SIZE;
661 *num_planes = 1;
662
663 if (*num_buffers < MIN_VID_BUFFERS)
664 *num_buffers = MIN_VID_BUFFERS;
665
666 return 0;
667 }
668
solo_enc_buf_queue(struct vb2_buffer * vb)669 static void solo_enc_buf_queue(struct vb2_buffer *vb)
670 {
671 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
672 struct vb2_queue *vq = vb->vb2_queue;
673 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq);
674 struct solo_vb2_buf *solo_vb =
675 container_of(vbuf, struct solo_vb2_buf, vb);
676
677 spin_lock(&solo_enc->av_lock);
678 list_add_tail(&solo_vb->list, &solo_enc->vidq_active);
679 spin_unlock(&solo_enc->av_lock);
680 }
681
solo_ring_start(struct solo_dev * solo_dev)682 static int solo_ring_start(struct solo_dev *solo_dev)
683 {
684 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev,
685 SOLO6X10_NAME "_ring");
686 if (IS_ERR(solo_dev->ring_thread)) {
687 int err = PTR_ERR(solo_dev->ring_thread);
688
689 solo_dev->ring_thread = NULL;
690 return err;
691 }
692
693 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
694
695 return 0;
696 }
697
solo_ring_stop(struct solo_dev * solo_dev)698 static void solo_ring_stop(struct solo_dev *solo_dev)
699 {
700 if (solo_dev->ring_thread) {
701 kthread_stop(solo_dev->ring_thread);
702 solo_dev->ring_thread = NULL;
703 }
704
705 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
706 }
707
solo_enc_start_streaming(struct vb2_queue * q,unsigned int count)708 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count)
709 {
710 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
711
712 return solo_enc_on(solo_enc);
713 }
714
solo_enc_stop_streaming(struct vb2_queue * q)715 static void solo_enc_stop_streaming(struct vb2_queue *q)
716 {
717 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
718 unsigned long flags;
719
720 spin_lock_irqsave(&solo_enc->av_lock, flags);
721 solo_enc_off(solo_enc);
722 while (!list_empty(&solo_enc->vidq_active)) {
723 struct solo_vb2_buf *buf = list_entry(
724 solo_enc->vidq_active.next,
725 struct solo_vb2_buf, list);
726
727 list_del(&buf->list);
728 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
729 }
730 spin_unlock_irqrestore(&solo_enc->av_lock, flags);
731 }
732
solo_enc_buf_finish(struct vb2_buffer * vb)733 static void solo_enc_buf_finish(struct vb2_buffer *vb)
734 {
735 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
736 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue);
737 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
738
739 switch (solo_enc->fmt) {
740 case V4L2_PIX_FMT_MPEG4:
741 case V4L2_PIX_FMT_H264:
742 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
743 sg_copy_from_buffer(sgt->sgl, sgt->nents,
744 solo_enc->vop, solo_enc->vop_len);
745 break;
746 default: /* V4L2_PIX_FMT_MJPEG */
747 sg_copy_from_buffer(sgt->sgl, sgt->nents,
748 solo_enc->jpeg_header, solo_enc->jpeg_len);
749 break;
750 }
751 }
752
753 static const struct vb2_ops solo_enc_video_qops = {
754 .queue_setup = solo_enc_queue_setup,
755 .buf_queue = solo_enc_buf_queue,
756 .buf_finish = solo_enc_buf_finish,
757 .start_streaming = solo_enc_start_streaming,
758 .stop_streaming = solo_enc_stop_streaming,
759 .wait_prepare = vb2_ops_wait_prepare,
760 .wait_finish = vb2_ops_wait_finish,
761 };
762
solo_enc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)763 static int solo_enc_querycap(struct file *file, void *priv,
764 struct v4l2_capability *cap)
765 {
766 struct solo_enc_dev *solo_enc = video_drvdata(file);
767 struct solo_dev *solo_dev = solo_enc->solo_dev;
768
769 strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver));
770 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
771 solo_enc->ch);
772 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
773 pci_name(solo_dev->pdev));
774 return 0;
775 }
776
solo_enc_enum_input(struct file * file,void * priv,struct v4l2_input * input)777 static int solo_enc_enum_input(struct file *file, void *priv,
778 struct v4l2_input *input)
779 {
780 struct solo_enc_dev *solo_enc = video_drvdata(file);
781 struct solo_dev *solo_dev = solo_enc->solo_dev;
782
783 if (input->index)
784 return -EINVAL;
785
786 snprintf(input->name, sizeof(input->name), "Encoder %d",
787 solo_enc->ch + 1);
788 input->type = V4L2_INPUT_TYPE_CAMERA;
789 input->std = solo_enc->vfd->tvnorms;
790
791 if (!tw28_get_video_status(solo_dev, solo_enc->ch))
792 input->status = V4L2_IN_ST_NO_SIGNAL;
793
794 return 0;
795 }
796
solo_enc_set_input(struct file * file,void * priv,unsigned int index)797 static int solo_enc_set_input(struct file *file, void *priv,
798 unsigned int index)
799 {
800 if (index)
801 return -EINVAL;
802
803 return 0;
804 }
805
solo_enc_get_input(struct file * file,void * priv,unsigned int * index)806 static int solo_enc_get_input(struct file *file, void *priv,
807 unsigned int *index)
808 {
809 *index = 0;
810
811 return 0;
812 }
813
solo_enc_enum_fmt_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)814 static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
815 struct v4l2_fmtdesc *f)
816 {
817 struct solo_enc_dev *solo_enc = video_drvdata(file);
818 int dev_type = solo_enc->solo_dev->type;
819
820 switch (f->index) {
821 case 0:
822 switch (dev_type) {
823 case SOLO_DEV_6010:
824 f->pixelformat = V4L2_PIX_FMT_MPEG4;
825 break;
826 case SOLO_DEV_6110:
827 f->pixelformat = V4L2_PIX_FMT_H264;
828 break;
829 }
830 break;
831 case 1:
832 f->pixelformat = V4L2_PIX_FMT_MJPEG;
833 break;
834 default:
835 return -EINVAL;
836 }
837 return 0;
838 }
839
solo_valid_pixfmt(u32 pixfmt,int dev_type)840 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type)
841 {
842 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110)
843 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010)
844 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL;
845 }
846
solo_enc_try_fmt_cap(struct file * file,void * priv,struct v4l2_format * f)847 static int solo_enc_try_fmt_cap(struct file *file, void *priv,
848 struct v4l2_format *f)
849 {
850 struct solo_enc_dev *solo_enc = video_drvdata(file);
851 struct solo_dev *solo_dev = solo_enc->solo_dev;
852 struct v4l2_pix_format *pix = &f->fmt.pix;
853
854 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type))
855 return -EINVAL;
856
857 if (pix->width < solo_dev->video_hsize ||
858 pix->height < solo_dev->video_vsize << 1) {
859 /* Default to CIF 1/2 size */
860 pix->width = solo_dev->video_hsize >> 1;
861 pix->height = solo_dev->video_vsize;
862 } else {
863 /* Full frame */
864 pix->width = solo_dev->video_hsize;
865 pix->height = solo_dev->video_vsize << 1;
866 }
867
868 switch (pix->field) {
869 case V4L2_FIELD_NONE:
870 case V4L2_FIELD_INTERLACED:
871 break;
872 case V4L2_FIELD_ANY:
873 default:
874 pix->field = V4L2_FIELD_INTERLACED;
875 break;
876 }
877
878 /* Just set these */
879 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
880 pix->sizeimage = FRAME_BUF_SIZE;
881 pix->bytesperline = 0;
882
883 return 0;
884 }
885
solo_enc_set_fmt_cap(struct file * file,void * priv,struct v4l2_format * f)886 static int solo_enc_set_fmt_cap(struct file *file, void *priv,
887 struct v4l2_format *f)
888 {
889 struct solo_enc_dev *solo_enc = video_drvdata(file);
890 struct solo_dev *solo_dev = solo_enc->solo_dev;
891 struct v4l2_pix_format *pix = &f->fmt.pix;
892 int ret;
893
894 if (vb2_is_busy(&solo_enc->vidq))
895 return -EBUSY;
896
897 ret = solo_enc_try_fmt_cap(file, priv, f);
898 if (ret)
899 return ret;
900
901 if (pix->width == solo_dev->video_hsize)
902 solo_enc->mode = SOLO_ENC_MODE_D1;
903 else
904 solo_enc->mode = SOLO_ENC_MODE_CIF;
905
906 /* This does not change the encoder at all */
907 solo_enc->fmt = pix->pixelformat;
908
909 /*
910 * More information is needed about these 'extended' types. As far
911 * as I can tell these are basically additional video streams with
912 * different MPEG encoding attributes that can run in parallel with
913 * the main stream. If so, then this should be implemented as a
914 * second video node. Abusing priv like this is certainly not the
915 * right approach.
916 if (pix->priv)
917 solo_enc->type = SOLO_ENC_TYPE_EXT;
918 */
919 solo_update_mode(solo_enc);
920 return 0;
921 }
922
solo_enc_get_fmt_cap(struct file * file,void * priv,struct v4l2_format * f)923 static int solo_enc_get_fmt_cap(struct file *file, void *priv,
924 struct v4l2_format *f)
925 {
926 struct solo_enc_dev *solo_enc = video_drvdata(file);
927 struct v4l2_pix_format *pix = &f->fmt.pix;
928
929 pix->width = solo_enc->width;
930 pix->height = solo_enc->height;
931 pix->pixelformat = solo_enc->fmt;
932 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
933 V4L2_FIELD_NONE;
934 pix->sizeimage = FRAME_BUF_SIZE;
935 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
936
937 return 0;
938 }
939
solo_enc_g_std(struct file * file,void * priv,v4l2_std_id * i)940 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i)
941 {
942 struct solo_enc_dev *solo_enc = video_drvdata(file);
943 struct solo_dev *solo_dev = solo_enc->solo_dev;
944
945 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
946 *i = V4L2_STD_NTSC_M;
947 else
948 *i = V4L2_STD_PAL;
949 return 0;
950 }
951
solo_enc_s_std(struct file * file,void * priv,v4l2_std_id std)952 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std)
953 {
954 struct solo_enc_dev *solo_enc = video_drvdata(file);
955
956 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50);
957 }
958
solo_enum_framesizes(struct file * file,void * priv,struct v4l2_frmsizeenum * fsize)959 static int solo_enum_framesizes(struct file *file, void *priv,
960 struct v4l2_frmsizeenum *fsize)
961 {
962 struct solo_enc_dev *solo_enc = video_drvdata(file);
963 struct solo_dev *solo_dev = solo_enc->solo_dev;
964
965 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type))
966 return -EINVAL;
967
968 switch (fsize->index) {
969 case 0:
970 fsize->discrete.width = solo_dev->video_hsize >> 1;
971 fsize->discrete.height = solo_dev->video_vsize;
972 break;
973 case 1:
974 fsize->discrete.width = solo_dev->video_hsize;
975 fsize->discrete.height = solo_dev->video_vsize << 1;
976 break;
977 default:
978 return -EINVAL;
979 }
980
981 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
982
983 return 0;
984 }
985
solo_enum_frameintervals(struct file * file,void * priv,struct v4l2_frmivalenum * fintv)986 static int solo_enum_frameintervals(struct file *file, void *priv,
987 struct v4l2_frmivalenum *fintv)
988 {
989 struct solo_enc_dev *solo_enc = video_drvdata(file);
990 struct solo_dev *solo_dev = solo_enc->solo_dev;
991
992 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type))
993 return -EINVAL;
994 if (fintv->index)
995 return -EINVAL;
996 if ((fintv->width != solo_dev->video_hsize >> 1 ||
997 fintv->height != solo_dev->video_vsize) &&
998 (fintv->width != solo_dev->video_hsize ||
999 fintv->height != solo_dev->video_vsize << 1))
1000 return -EINVAL;
1001
1002 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
1003
1004 fintv->stepwise.min.numerator = 1;
1005 fintv->stepwise.min.denominator = solo_dev->fps;
1006
1007 fintv->stepwise.max.numerator = 15;
1008 fintv->stepwise.max.denominator = solo_dev->fps;
1009
1010 fintv->stepwise.step.numerator = 1;
1011 fintv->stepwise.step.denominator = solo_dev->fps;
1012
1013 return 0;
1014 }
1015
solo_g_parm(struct file * file,void * priv,struct v4l2_streamparm * sp)1016 static int solo_g_parm(struct file *file, void *priv,
1017 struct v4l2_streamparm *sp)
1018 {
1019 struct solo_enc_dev *solo_enc = video_drvdata(file);
1020 struct v4l2_captureparm *cp = &sp->parm.capture;
1021
1022 cp->capability = V4L2_CAP_TIMEPERFRAME;
1023 cp->timeperframe.numerator = solo_enc->interval;
1024 cp->timeperframe.denominator = solo_enc->solo_dev->fps;
1025 cp->capturemode = 0;
1026 /* XXX: Shouldn't we be able to get/set this from videobuf? */
1027 cp->readbuffers = 2;
1028
1029 return 0;
1030 }
1031
calc_interval(u8 fps,u32 n,u32 d)1032 static inline int calc_interval(u8 fps, u32 n, u32 d)
1033 {
1034 if (!n || !d)
1035 return 1;
1036 if (d == fps)
1037 return n;
1038 n *= fps;
1039 return min(15U, n / d + (n % d >= (fps >> 1)));
1040 }
1041
solo_s_parm(struct file * file,void * priv,struct v4l2_streamparm * sp)1042 static int solo_s_parm(struct file *file, void *priv,
1043 struct v4l2_streamparm *sp)
1044 {
1045 struct solo_enc_dev *solo_enc = video_drvdata(file);
1046 struct v4l2_fract *t = &sp->parm.capture.timeperframe;
1047 u8 fps = solo_enc->solo_dev->fps;
1048
1049 if (vb2_is_streaming(&solo_enc->vidq))
1050 return -EBUSY;
1051
1052 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator);
1053 solo_update_mode(solo_enc);
1054 return solo_g_parm(file, priv, sp);
1055 }
1056
solo_s_ctrl(struct v4l2_ctrl * ctrl)1057 static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
1058 {
1059 struct solo_enc_dev *solo_enc =
1060 container_of(ctrl->handler, struct solo_enc_dev, hdl);
1061 struct solo_dev *solo_dev = solo_enc->solo_dev;
1062 int err;
1063
1064 switch (ctrl->id) {
1065 case V4L2_CID_BRIGHTNESS:
1066 case V4L2_CID_CONTRAST:
1067 case V4L2_CID_SATURATION:
1068 case V4L2_CID_HUE:
1069 case V4L2_CID_SHARPNESS:
1070 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1071 ctrl->val);
1072 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1073 solo_enc->gop = ctrl->val;
1074 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop);
1075 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop);
1076 return 0;
1077 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
1078 solo_enc->qp = ctrl->val;
1079 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp);
1080 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp);
1081 return 0;
1082 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD:
1083 solo_enc->motion_thresh = ctrl->val << 8;
1084 if (!solo_enc->motion_global || !solo_enc->motion_enabled)
1085 return 0;
1086 return solo_set_motion_threshold(solo_dev, solo_enc->ch,
1087 solo_enc->motion_thresh);
1088 case V4L2_CID_DETECT_MD_MODE:
1089 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL;
1090 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED;
1091 if (ctrl->val) {
1092 if (solo_enc->motion_global)
1093 err = solo_set_motion_threshold(solo_dev, solo_enc->ch,
1094 solo_enc->motion_thresh);
1095 else
1096 err = solo_set_motion_block(solo_dev, solo_enc->ch,
1097 solo_enc->md_thresholds->p_cur.p_u16);
1098 if (err)
1099 return err;
1100 }
1101 solo_motion_toggle(solo_enc, ctrl->val);
1102 return 0;
1103 case V4L2_CID_DETECT_MD_THRESHOLD_GRID:
1104 if (solo_enc->motion_enabled && !solo_enc->motion_global)
1105 return solo_set_motion_block(solo_dev, solo_enc->ch,
1106 solo_enc->md_thresholds->p_new.p_u16);
1107 break;
1108 case V4L2_CID_OSD_TEXT:
1109 strscpy(solo_enc->osd_text, ctrl->p_new.p_char,
1110 sizeof(solo_enc->osd_text));
1111 return solo_osd_print(solo_enc);
1112 default:
1113 return -EINVAL;
1114 }
1115
1116 return 0;
1117 }
1118
solo_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)1119 static int solo_subscribe_event(struct v4l2_fh *fh,
1120 const struct v4l2_event_subscription *sub)
1121 {
1122
1123 switch (sub->type) {
1124 case V4L2_EVENT_MOTION_DET:
1125 /* Allow for up to 30 events (1 second for NTSC) to be
1126 * stored. */
1127 return v4l2_event_subscribe(fh, sub, 30, NULL);
1128 default:
1129 return v4l2_ctrl_subscribe_event(fh, sub);
1130 }
1131 }
1132
1133 static const struct v4l2_file_operations solo_enc_fops = {
1134 .owner = THIS_MODULE,
1135 .open = v4l2_fh_open,
1136 .release = vb2_fop_release,
1137 .read = vb2_fop_read,
1138 .poll = vb2_fop_poll,
1139 .mmap = vb2_fop_mmap,
1140 .unlocked_ioctl = video_ioctl2,
1141 };
1142
1143 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
1144 .vidioc_querycap = solo_enc_querycap,
1145 .vidioc_s_std = solo_enc_s_std,
1146 .vidioc_g_std = solo_enc_g_std,
1147 /* Input callbacks */
1148 .vidioc_enum_input = solo_enc_enum_input,
1149 .vidioc_s_input = solo_enc_set_input,
1150 .vidioc_g_input = solo_enc_get_input,
1151 /* Video capture format callbacks */
1152 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap,
1153 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap,
1154 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap,
1155 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap,
1156 /* Streaming I/O */
1157 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1158 .vidioc_querybuf = vb2_ioctl_querybuf,
1159 .vidioc_qbuf = vb2_ioctl_qbuf,
1160 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1161 .vidioc_streamon = vb2_ioctl_streamon,
1162 .vidioc_streamoff = vb2_ioctl_streamoff,
1163 /* Frame size and interval */
1164 .vidioc_enum_framesizes = solo_enum_framesizes,
1165 .vidioc_enum_frameintervals = solo_enum_frameintervals,
1166 /* Video capture parameters */
1167 .vidioc_s_parm = solo_s_parm,
1168 .vidioc_g_parm = solo_g_parm,
1169 /* Logging and events */
1170 .vidioc_log_status = v4l2_ctrl_log_status,
1171 .vidioc_subscribe_event = solo_subscribe_event,
1172 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1173 };
1174
1175 static const struct video_device solo_enc_template = {
1176 .name = SOLO6X10_NAME,
1177 .fops = &solo_enc_fops,
1178 .ioctl_ops = &solo_enc_ioctl_ops,
1179 .minor = -1,
1180 .release = video_device_release,
1181 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL,
1182 .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
1183 V4L2_CAP_STREAMING,
1184 };
1185
1186 static const struct v4l2_ctrl_ops solo_ctrl_ops = {
1187 .s_ctrl = solo_s_ctrl,
1188 };
1189
1190 static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
1191 .ops = &solo_ctrl_ops,
1192 .id = V4L2_CID_OSD_TEXT,
1193 .name = "OSD Text",
1194 .type = V4L2_CTRL_TYPE_STRING,
1195 .max = OSD_TEXT_MAX,
1196 .step = 1,
1197 };
1198
1199 /* Motion Detection Threshold matrix */
1200 static const struct v4l2_ctrl_config solo_md_thresholds = {
1201 .ops = &solo_ctrl_ops,
1202 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID,
1203 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ },
1204 .def = SOLO_DEF_MOT_THRESH,
1205 .max = 65535,
1206 .step = 1,
1207 };
1208
solo_enc_alloc(struct solo_dev * solo_dev,u8 ch,unsigned nr)1209 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
1210 u8 ch, unsigned nr)
1211 {
1212 struct solo_enc_dev *solo_enc;
1213 struct v4l2_ctrl_handler *hdl;
1214 int ret;
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_std(hdl, &solo_ctrl_ops,
1236 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP);
1237 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops,
1238 V4L2_CID_DETECT_MD_MODE,
1239 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0,
1240 V4L2_DETECT_MD_MODE_DISABLED);
1241 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
1242 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1,
1243 SOLO_DEF_MOT_THRESH >> 8);
1244 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
1245 solo_enc->md_thresholds =
1246 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL);
1247 if (hdl->error) {
1248 ret = hdl->error;
1249 goto hdl_free;
1250 }
1251
1252 solo_enc->solo_dev = solo_dev;
1253 solo_enc->ch = ch;
1254 mutex_init(&solo_enc->lock);
1255 spin_lock_init(&solo_enc->av_lock);
1256 INIT_LIST_HEAD(&solo_enc->vidq_active);
1257 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ?
1258 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264;
1259 solo_enc->type = SOLO_ENC_TYPE_STD;
1260
1261 solo_enc->qp = SOLO_DEFAULT_QP;
1262 solo_enc->gop = solo_dev->fps;
1263 solo_enc->interval = 1;
1264 solo_enc->mode = SOLO_ENC_MODE_CIF;
1265 solo_enc->motion_global = true;
1266 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
1267 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1268 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
1269 solo_enc->vidq.ops = &solo_enc_video_qops;
1270 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
1271 solo_enc->vidq.drv_priv = solo_enc;
1272 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
1273 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1274 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
1275 solo_enc->vidq.lock = &solo_enc->lock;
1276 solo_enc->vidq.dev = &solo_dev->pdev->dev;
1277 ret = vb2_queue_init(&solo_enc->vidq);
1278 if (ret)
1279 goto hdl_free;
1280 solo_update_mode(solo_enc);
1281
1282 spin_lock_init(&solo_enc->motion_lock);
1283
1284 /* Initialize this per encoder */
1285 solo_enc->jpeg_len = sizeof(jpeg_header);
1286 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);
1287
1288 solo_enc->desc_nelts = 32;
1289 solo_enc->desc_items = dma_alloc_coherent(&solo_dev->pdev->dev,
1290 sizeof(struct solo_p2m_desc) *
1291 solo_enc->desc_nelts,
1292 &solo_enc->desc_dma,
1293 GFP_KERNEL);
1294 ret = -ENOMEM;
1295 if (solo_enc->desc_items == NULL)
1296 goto hdl_free;
1297
1298 solo_enc->vfd = video_device_alloc();
1299 if (!solo_enc->vfd)
1300 goto pci_free;
1301
1302 *solo_enc->vfd = solo_enc_template;
1303 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
1304 solo_enc->vfd->ctrl_handler = hdl;
1305 solo_enc->vfd->queue = &solo_enc->vidq;
1306 solo_enc->vfd->lock = &solo_enc->lock;
1307 video_set_drvdata(solo_enc->vfd, solo_enc);
1308 ret = video_register_device(solo_enc->vfd, VFL_TYPE_VIDEO, nr);
1309 if (ret < 0)
1310 goto vdev_release;
1311
1312 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
1313 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num,
1314 solo_enc->vfd->num);
1315
1316 return solo_enc;
1317
1318 vdev_release:
1319 video_device_release(solo_enc->vfd);
1320 pci_free:
1321 dma_free_coherent(&solo_enc->solo_dev->pdev->dev,
1322 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1323 solo_enc->desc_items, solo_enc->desc_dma);
1324 hdl_free:
1325 v4l2_ctrl_handler_free(hdl);
1326 kfree(solo_enc);
1327 return ERR_PTR(ret);
1328 }
1329
solo_enc_free(struct solo_enc_dev * solo_enc)1330 static void solo_enc_free(struct solo_enc_dev *solo_enc)
1331 {
1332 if (solo_enc == NULL)
1333 return;
1334
1335 dma_free_coherent(&solo_enc->solo_dev->pdev->dev,
1336 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
1337 solo_enc->desc_items, solo_enc->desc_dma);
1338 video_unregister_device(solo_enc->vfd);
1339 v4l2_ctrl_handler_free(&solo_enc->hdl);
1340 kfree(solo_enc);
1341 }
1342
solo_enc_v4l2_init(struct solo_dev * solo_dev,unsigned nr)1343 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
1344 {
1345 int i;
1346
1347 init_waitqueue_head(&solo_dev->ring_thread_wait);
1348
1349 solo_dev->vh_size = sizeof(vop_header);
1350 solo_dev->vh_buf = dma_alloc_coherent(&solo_dev->pdev->dev,
1351 solo_dev->vh_size,
1352 &solo_dev->vh_dma, GFP_KERNEL);
1353 if (solo_dev->vh_buf == NULL)
1354 return -ENOMEM;
1355
1356 for (i = 0; i < solo_dev->nr_chans; i++) {
1357 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr);
1358 if (IS_ERR(solo_dev->v4l2_enc[i]))
1359 break;
1360 }
1361
1362 if (i != solo_dev->nr_chans) {
1363 int ret = PTR_ERR(solo_dev->v4l2_enc[i]);
1364
1365 while (i--)
1366 solo_enc_free(solo_dev->v4l2_enc[i]);
1367 dma_free_coherent(&solo_dev->pdev->dev, solo_dev->vh_size,
1368 solo_dev->vh_buf, solo_dev->vh_dma);
1369 solo_dev->vh_buf = NULL;
1370 return ret;
1371 }
1372
1373 if (solo_dev->type == SOLO_DEV_6010)
1374 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
1375 else
1376 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5;
1377
1378 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
1379 solo_dev->v4l2_enc[0]->vfd->num,
1380 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);
1381
1382 return solo_ring_start(solo_dev);
1383 }
1384
solo_enc_v4l2_exit(struct solo_dev * solo_dev)1385 void solo_enc_v4l2_exit(struct solo_dev *solo_dev)
1386 {
1387 int i;
1388
1389 solo_ring_stop(solo_dev);
1390
1391 for (i = 0; i < solo_dev->nr_chans; i++)
1392 solo_enc_free(solo_dev->v4l2_enc[i]);
1393
1394 if (solo_dev->vh_buf)
1395 dma_free_coherent(&solo_dev->pdev->dev, solo_dev->vh_size,
1396 solo_dev->vh_buf, solo_dev->vh_dma);
1397 }
1398