This source file includes following definitions.
- find_format
- find_format_by_index
- venc_v4l2_to_hfi
- venc_querycap
- venc_enum_fmt
- venc_try_fmt_common
- venc_try_fmt
- venc_s_fmt
- venc_g_fmt
- venc_g_selection
- venc_s_selection
- venc_s_parm
- venc_g_parm
- venc_enum_framesizes
- venc_enum_frameintervals
- venc_set_properties
- venc_init_session
- venc_out_num_buffers
- venc_queue_setup
- venc_verify_conf
- venc_start_streaming
- venc_buf_done
- venc_event_notify
- m2m_queue_init
- venc_inst_init
- venc_open
- venc_close
- venc_probe
- venc_remove
- venc_runtime_suspend
- venc_runtime_resume
1
2
3
4
5
6 #include <linux/clk.h>
7 #include <linux/module.h>
8 #include <linux/mod_devicetable.h>
9 #include <linux/platform_device.h>
10 #include <linux/pm_runtime.h>
11 #include <linux/slab.h>
12 #include <media/v4l2-mem2mem.h>
13 #include <media/videobuf2-dma-sg.h>
14 #include <media/v4l2-ioctl.h>
15 #include <media/v4l2-event.h>
16 #include <media/v4l2-ctrls.h>
17
18 #include "hfi_venus_io.h"
19 #include "hfi_parser.h"
20 #include "core.h"
21 #include "helpers.h"
22 #include "venc.h"
23
24 #define NUM_B_FRAMES_MAX 4
25
26
27
28
29
30
31
32
33 static const struct venus_format venc_formats[] = {
34 {
35 .pixfmt = V4L2_PIX_FMT_NV12,
36 .num_planes = 1,
37 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
38 }, {
39 .pixfmt = V4L2_PIX_FMT_MPEG4,
40 .num_planes = 1,
41 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
42 }, {
43 .pixfmt = V4L2_PIX_FMT_H263,
44 .num_planes = 1,
45 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
46 }, {
47 .pixfmt = V4L2_PIX_FMT_H264,
48 .num_planes = 1,
49 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
50 }, {
51 .pixfmt = V4L2_PIX_FMT_VP8,
52 .num_planes = 1,
53 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
54 }, {
55 .pixfmt = V4L2_PIX_FMT_HEVC,
56 .num_planes = 1,
57 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
58 },
59 };
60
61 static const struct venus_format *
62 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
63 {
64 const struct venus_format *fmt = venc_formats;
65 unsigned int size = ARRAY_SIZE(venc_formats);
66 unsigned int i;
67
68 for (i = 0; i < size; i++) {
69 if (fmt[i].pixfmt == pixfmt)
70 break;
71 }
72
73 if (i == size || fmt[i].type != type)
74 return NULL;
75
76 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
77 !venus_helper_check_codec(inst, fmt[i].pixfmt))
78 return NULL;
79
80 return &fmt[i];
81 }
82
83 static const struct venus_format *
84 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
85 {
86 const struct venus_format *fmt = venc_formats;
87 unsigned int size = ARRAY_SIZE(venc_formats);
88 unsigned int i, k = 0;
89
90 if (index > size)
91 return NULL;
92
93 for (i = 0; i < size; i++) {
94 bool valid;
95
96 if (fmt[i].type != type)
97 continue;
98 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
99 venus_helper_check_codec(inst, fmt[i].pixfmt);
100 if (k == index && valid)
101 break;
102 if (valid)
103 k++;
104 }
105
106 if (i == size)
107 return NULL;
108
109 return &fmt[i];
110 }
111
112 static int venc_v4l2_to_hfi(int id, int value)
113 {
114 switch (id) {
115 case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
116 switch (value) {
117 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0:
118 default:
119 return HFI_MPEG4_LEVEL_0;
120 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B:
121 return HFI_MPEG4_LEVEL_0b;
122 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1:
123 return HFI_MPEG4_LEVEL_1;
124 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2:
125 return HFI_MPEG4_LEVEL_2;
126 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3:
127 return HFI_MPEG4_LEVEL_3;
128 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4:
129 return HFI_MPEG4_LEVEL_4;
130 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5:
131 return HFI_MPEG4_LEVEL_5;
132 }
133 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
134 switch (value) {
135 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE:
136 default:
137 return HFI_MPEG4_PROFILE_SIMPLE;
138 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE:
139 return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE;
140 }
141 case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
142 switch (value) {
143 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
144 return HFI_H264_PROFILE_BASELINE;
145 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
146 return HFI_H264_PROFILE_CONSTRAINED_BASE;
147 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
148 return HFI_H264_PROFILE_MAIN;
149 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
150 default:
151 return HFI_H264_PROFILE_HIGH;
152 }
153 case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
154 switch (value) {
155 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
156 return HFI_H264_LEVEL_1;
157 case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
158 return HFI_H264_LEVEL_1b;
159 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
160 return HFI_H264_LEVEL_11;
161 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
162 return HFI_H264_LEVEL_12;
163 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
164 return HFI_H264_LEVEL_13;
165 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
166 return HFI_H264_LEVEL_2;
167 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
168 return HFI_H264_LEVEL_21;
169 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
170 return HFI_H264_LEVEL_22;
171 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
172 return HFI_H264_LEVEL_3;
173 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
174 return HFI_H264_LEVEL_31;
175 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
176 return HFI_H264_LEVEL_32;
177 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
178 return HFI_H264_LEVEL_4;
179 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
180 return HFI_H264_LEVEL_41;
181 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
182 return HFI_H264_LEVEL_42;
183 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
184 default:
185 return HFI_H264_LEVEL_5;
186 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
187 return HFI_H264_LEVEL_51;
188 }
189 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
190 switch (value) {
191 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
192 default:
193 return HFI_H264_ENTROPY_CAVLC;
194 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
195 return HFI_H264_ENTROPY_CABAC;
196 }
197 case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
198 switch (value) {
199 case 0:
200 default:
201 return HFI_VPX_PROFILE_VERSION_0;
202 case 1:
203 return HFI_VPX_PROFILE_VERSION_1;
204 case 2:
205 return HFI_VPX_PROFILE_VERSION_2;
206 case 3:
207 return HFI_VPX_PROFILE_VERSION_3;
208 }
209 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
210 switch (value) {
211 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
212 default:
213 return HFI_H264_DB_MODE_ALL_BOUNDARY;
214 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
215 return HFI_H264_DB_MODE_DISABLE;
216 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
217 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
218 }
219 case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
220 switch (value) {
221 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
222 default:
223 return HFI_HEVC_PROFILE_MAIN;
224 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
225 return HFI_HEVC_PROFILE_MAIN_STILL_PIC;
226 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
227 return HFI_HEVC_PROFILE_MAIN10;
228 }
229 case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
230 switch (value) {
231 case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
232 default:
233 return HFI_HEVC_LEVEL_1;
234 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
235 return HFI_HEVC_LEVEL_2;
236 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
237 return HFI_HEVC_LEVEL_21;
238 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
239 return HFI_HEVC_LEVEL_3;
240 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
241 return HFI_HEVC_LEVEL_31;
242 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
243 return HFI_HEVC_LEVEL_4;
244 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
245 return HFI_HEVC_LEVEL_41;
246 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
247 return HFI_HEVC_LEVEL_5;
248 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
249 return HFI_HEVC_LEVEL_51;
250 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
251 return HFI_HEVC_LEVEL_52;
252 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
253 return HFI_HEVC_LEVEL_6;
254 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
255 return HFI_HEVC_LEVEL_61;
256 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
257 return HFI_HEVC_LEVEL_62;
258 }
259 }
260
261 return 0;
262 }
263
264 static int
265 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
266 {
267 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
268 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
269 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
270
271 return 0;
272 }
273
274 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
275 {
276 struct venus_inst *inst = to_inst(file);
277 const struct venus_format *fmt;
278
279 fmt = find_format_by_index(inst, f->index, f->type);
280
281 memset(f->reserved, 0, sizeof(f->reserved));
282
283 if (!fmt)
284 return -EINVAL;
285
286 f->pixelformat = fmt->pixfmt;
287
288 return 0;
289 }
290
291 static const struct venus_format *
292 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
293 {
294 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
295 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
296 const struct venus_format *fmt;
297 u32 sizeimage;
298
299 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
300 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
301
302 fmt = find_format(inst, pixmp->pixelformat, f->type);
303 if (!fmt) {
304 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
305 pixmp->pixelformat = V4L2_PIX_FMT_H264;
306 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
307 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
308 else
309 return NULL;
310 fmt = find_format(inst, pixmp->pixelformat, f->type);
311 }
312
313 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
314 frame_width_max(inst));
315 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
316 frame_height_max(inst));
317
318 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
319 pixmp->height = ALIGN(pixmp->height, 32);
320
321 pixmp->width = ALIGN(pixmp->width, 2);
322 pixmp->height = ALIGN(pixmp->height, 2);
323
324 if (pixmp->field == V4L2_FIELD_ANY)
325 pixmp->field = V4L2_FIELD_NONE;
326 pixmp->num_planes = fmt->num_planes;
327 pixmp->flags = 0;
328
329 sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
330 pixmp->width,
331 pixmp->height);
332 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
333
334 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
335 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
336 else
337 pfmt[0].bytesperline = 0;
338
339 return fmt;
340 }
341
342 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
343 {
344 struct venus_inst *inst = to_inst(file);
345
346 venc_try_fmt_common(inst, f);
347
348 return 0;
349 }
350
351 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
352 {
353 struct venus_inst *inst = to_inst(file);
354 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
355 struct v4l2_pix_format_mplane orig_pixmp;
356 const struct venus_format *fmt;
357 struct v4l2_format format;
358 u32 pixfmt_out = 0, pixfmt_cap = 0;
359
360 orig_pixmp = *pixmp;
361
362 fmt = venc_try_fmt_common(inst, f);
363 if (!fmt)
364 return -EINVAL;
365
366 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
367 pixfmt_out = pixmp->pixelformat;
368 pixfmt_cap = inst->fmt_cap->pixfmt;
369 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
370 pixfmt_cap = pixmp->pixelformat;
371 pixfmt_out = inst->fmt_out->pixfmt;
372 }
373
374 memset(&format, 0, sizeof(format));
375
376 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
377 format.fmt.pix_mp.pixelformat = pixfmt_out;
378 format.fmt.pix_mp.width = orig_pixmp.width;
379 format.fmt.pix_mp.height = orig_pixmp.height;
380 venc_try_fmt_common(inst, &format);
381
382 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
383 inst->out_width = format.fmt.pix_mp.width;
384 inst->out_height = format.fmt.pix_mp.height;
385 inst->colorspace = pixmp->colorspace;
386 inst->ycbcr_enc = pixmp->ycbcr_enc;
387 inst->quantization = pixmp->quantization;
388 inst->xfer_func = pixmp->xfer_func;
389 }
390
391 memset(&format, 0, sizeof(format));
392
393 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
394 format.fmt.pix_mp.pixelformat = pixfmt_cap;
395 format.fmt.pix_mp.width = orig_pixmp.width;
396 format.fmt.pix_mp.height = orig_pixmp.height;
397 venc_try_fmt_common(inst, &format);
398
399 inst->width = format.fmt.pix_mp.width;
400 inst->height = format.fmt.pix_mp.height;
401
402 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
403 inst->fmt_out = fmt;
404 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
405 inst->fmt_cap = fmt;
406 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
407 }
408
409 return 0;
410 }
411
412 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
413 {
414 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
415 struct venus_inst *inst = to_inst(file);
416 const struct venus_format *fmt;
417
418 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
419 fmt = inst->fmt_cap;
420 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
421 fmt = inst->fmt_out;
422 else
423 return -EINVAL;
424
425 pixmp->pixelformat = fmt->pixfmt;
426
427 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
428 pixmp->width = inst->width;
429 pixmp->height = inst->height;
430 pixmp->colorspace = inst->colorspace;
431 pixmp->ycbcr_enc = inst->ycbcr_enc;
432 pixmp->quantization = inst->quantization;
433 pixmp->xfer_func = inst->xfer_func;
434 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
435 pixmp->width = inst->out_width;
436 pixmp->height = inst->out_height;
437 }
438
439 venc_try_fmt_common(inst, f);
440
441 return 0;
442 }
443
444 static int
445 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
446 {
447 struct venus_inst *inst = to_inst(file);
448
449 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
450 return -EINVAL;
451
452 switch (s->target) {
453 case V4L2_SEL_TGT_CROP_DEFAULT:
454 case V4L2_SEL_TGT_CROP_BOUNDS:
455 s->r.width = inst->width;
456 s->r.height = inst->height;
457 break;
458 case V4L2_SEL_TGT_CROP:
459 s->r.width = inst->out_width;
460 s->r.height = inst->out_height;
461 break;
462 default:
463 return -EINVAL;
464 }
465
466 s->r.top = 0;
467 s->r.left = 0;
468
469 return 0;
470 }
471
472 static int
473 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
474 {
475 struct venus_inst *inst = to_inst(file);
476
477 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
478 return -EINVAL;
479
480 switch (s->target) {
481 case V4L2_SEL_TGT_CROP:
482 if (s->r.width != inst->out_width ||
483 s->r.height != inst->out_height ||
484 s->r.top != 0 || s->r.left != 0)
485 return -EINVAL;
486 break;
487 default:
488 return -EINVAL;
489 }
490
491 return 0;
492 }
493
494 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
495 {
496 struct venus_inst *inst = to_inst(file);
497 struct v4l2_outputparm *out = &a->parm.output;
498 struct v4l2_fract *timeperframe = &out->timeperframe;
499 u64 us_per_frame, fps;
500
501 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
502 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
503 return -EINVAL;
504
505 memset(out->reserved, 0, sizeof(out->reserved));
506
507 if (!timeperframe->denominator)
508 timeperframe->denominator = inst->timeperframe.denominator;
509 if (!timeperframe->numerator)
510 timeperframe->numerator = inst->timeperframe.numerator;
511
512 out->capability = V4L2_CAP_TIMEPERFRAME;
513
514 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
515 do_div(us_per_frame, timeperframe->denominator);
516
517 if (!us_per_frame)
518 return -EINVAL;
519
520 fps = (u64)USEC_PER_SEC;
521 do_div(fps, us_per_frame);
522
523 inst->timeperframe = *timeperframe;
524 inst->fps = fps;
525
526 return 0;
527 }
528
529 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
530 {
531 struct venus_inst *inst = to_inst(file);
532
533 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
534 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
535 return -EINVAL;
536
537 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
538 a->parm.output.timeperframe = inst->timeperframe;
539
540 return 0;
541 }
542
543 static int venc_enum_framesizes(struct file *file, void *fh,
544 struct v4l2_frmsizeenum *fsize)
545 {
546 struct venus_inst *inst = to_inst(file);
547 const struct venus_format *fmt;
548
549 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
550
551 fmt = find_format(inst, fsize->pixel_format,
552 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
553 if (!fmt) {
554 fmt = find_format(inst, fsize->pixel_format,
555 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
556 if (!fmt)
557 return -EINVAL;
558 }
559
560 if (fsize->index)
561 return -EINVAL;
562
563 fsize->stepwise.min_width = frame_width_min(inst);
564 fsize->stepwise.max_width = frame_width_max(inst);
565 fsize->stepwise.step_width = frame_width_step(inst);
566 fsize->stepwise.min_height = frame_height_min(inst);
567 fsize->stepwise.max_height = frame_height_max(inst);
568 fsize->stepwise.step_height = frame_height_step(inst);
569
570 return 0;
571 }
572
573 static int venc_enum_frameintervals(struct file *file, void *fh,
574 struct v4l2_frmivalenum *fival)
575 {
576 struct venus_inst *inst = to_inst(file);
577 const struct venus_format *fmt;
578
579 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
580
581 fmt = find_format(inst, fival->pixel_format,
582 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
583 if (!fmt) {
584 fmt = find_format(inst, fival->pixel_format,
585 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
586 if (!fmt)
587 return -EINVAL;
588 }
589
590 if (fival->index)
591 return -EINVAL;
592
593 if (!fival->width || !fival->height)
594 return -EINVAL;
595
596 if (fival->width > frame_width_max(inst) ||
597 fival->width < frame_width_min(inst) ||
598 fival->height > frame_height_max(inst) ||
599 fival->height < frame_height_min(inst))
600 return -EINVAL;
601
602 fival->stepwise.min.numerator = 1;
603 fival->stepwise.min.denominator = frate_max(inst);
604 fival->stepwise.max.numerator = 1;
605 fival->stepwise.max.denominator = frate_min(inst);
606 fival->stepwise.step.numerator = 1;
607 fival->stepwise.step.denominator = frate_max(inst);
608
609 return 0;
610 }
611
612 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
613 .vidioc_querycap = venc_querycap,
614 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
615 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
616 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
617 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
618 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
619 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
620 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
621 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
622 .vidioc_g_selection = venc_g_selection,
623 .vidioc_s_selection = venc_s_selection,
624 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
625 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
626 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
627 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
628 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
629 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
630 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
631 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
632 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
633 .vidioc_s_parm = venc_s_parm,
634 .vidioc_g_parm = venc_g_parm,
635 .vidioc_enum_framesizes = venc_enum_framesizes,
636 .vidioc_enum_frameintervals = venc_enum_frameintervals,
637 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
638 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
639 };
640
641 static int venc_set_properties(struct venus_inst *inst)
642 {
643 struct venc_controls *ctr = &inst->controls.enc;
644 struct hfi_intra_period intra_period;
645 struct hfi_profile_level pl;
646 struct hfi_framerate frate;
647 struct hfi_bitrate brate;
648 struct hfi_idr_period idrp;
649 struct hfi_quantization quant;
650 struct hfi_quantization_range quant_range;
651 u32 ptype, rate_control, bitrate, profile = 0, level = 0;
652 int ret;
653
654 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
655 if (ret)
656 return ret;
657
658 ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
659 if (ret)
660 return ret;
661
662 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
663 frate.buffer_type = HFI_BUFFER_OUTPUT;
664 frate.framerate = inst->fps * (1 << 16);
665
666 ret = hfi_session_set_property(inst, ptype, &frate);
667 if (ret)
668 return ret;
669
670 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
671 struct hfi_h264_vui_timing_info info;
672 struct hfi_h264_entropy_control entropy;
673 struct hfi_h264_db_control deblock;
674
675 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
676 info.enable = 1;
677 info.fixed_framerate = 1;
678 info.time_scale = NSEC_PER_SEC;
679
680 ret = hfi_session_set_property(inst, ptype, &info);
681 if (ret)
682 return ret;
683
684 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
685 entropy.entropy_mode = venc_v4l2_to_hfi(
686 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
687 ctr->h264_entropy_mode);
688 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
689
690 ret = hfi_session_set_property(inst, ptype, &entropy);
691 if (ret)
692 return ret;
693
694 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
695 deblock.mode = venc_v4l2_to_hfi(
696 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
697 ctr->h264_loop_filter_mode);
698 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
699 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
700
701 ret = hfi_session_set_property(inst, ptype, &deblock);
702 if (ret)
703 return ret;
704 }
705
706
707
708
709
710
711 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
712 idrp.idr_period = 0;
713 ret = hfi_session_set_property(inst, ptype, &idrp);
714 if (ret)
715 return ret;
716
717 if (ctr->num_b_frames) {
718 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
719
720 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
721 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
722 if (ret)
723 return ret;
724 }
725
726 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
727 intra_period.pframes = ctr->num_p_frames;
728 intra_period.bframes = ctr->num_b_frames;
729
730 ret = hfi_session_set_property(inst, ptype, &intra_period);
731 if (ret)
732 return ret;
733
734 if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
735 rate_control = HFI_RATE_CONTROL_VBR_CFR;
736 else
737 rate_control = HFI_RATE_CONTROL_CBR_CFR;
738
739 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
740 ret = hfi_session_set_property(inst, ptype, &rate_control);
741 if (ret)
742 return ret;
743
744 if (!ctr->bitrate)
745 bitrate = 64000;
746 else
747 bitrate = ctr->bitrate;
748
749 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
750 brate.bitrate = bitrate;
751 brate.layer_id = 0;
752
753 ret = hfi_session_set_property(inst, ptype, &brate);
754 if (ret)
755 return ret;
756
757 if (!ctr->bitrate_peak)
758 bitrate *= 2;
759 else
760 bitrate = ctr->bitrate_peak;
761
762 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
763 brate.bitrate = bitrate;
764 brate.layer_id = 0;
765
766 ret = hfi_session_set_property(inst, ptype, &brate);
767 if (ret)
768 return ret;
769
770 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
771 quant.qp_i = ctr->h264_i_qp;
772 quant.qp_p = ctr->h264_p_qp;
773 quant.qp_b = ctr->h264_b_qp;
774 quant.layer_id = 0;
775 ret = hfi_session_set_property(inst, ptype, &quant);
776 if (ret)
777 return ret;
778
779 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
780 quant_range.min_qp = ctr->h264_min_qp;
781 quant_range.max_qp = ctr->h264_max_qp;
782 quant_range.layer_id = 0;
783 ret = hfi_session_set_property(inst, ptype, &quant_range);
784 if (ret)
785 return ret;
786
787 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
788 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
789 ctr->profile.h264);
790 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
791 ctr->level.h264);
792 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
793 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
794 ctr->profile.vpx);
795 level = 0;
796 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
797 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
798 ctr->profile.mpeg4);
799 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
800 ctr->level.mpeg4);
801 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
802 profile = 0;
803 level = 0;
804 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
805 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
806 ctr->profile.hevc);
807 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
808 ctr->level.hevc);
809 }
810
811 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
812 pl.profile = profile;
813 pl.level = level;
814
815 ret = hfi_session_set_property(inst, ptype, &pl);
816 if (ret)
817 return ret;
818
819 return 0;
820 }
821
822 static int venc_init_session(struct venus_inst *inst)
823 {
824 int ret;
825
826 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
827 if (ret)
828 return ret;
829
830 ret = venus_helper_set_input_resolution(inst, inst->width,
831 inst->height);
832 if (ret)
833 goto deinit;
834
835 ret = venus_helper_set_output_resolution(inst, inst->width,
836 inst->height,
837 HFI_BUFFER_OUTPUT);
838 if (ret)
839 goto deinit;
840
841 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
842 if (ret)
843 goto deinit;
844
845 ret = venc_set_properties(inst);
846 if (ret)
847 goto deinit;
848
849 return 0;
850 deinit:
851 hfi_session_deinit(inst);
852 return ret;
853 }
854
855 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
856 {
857 struct hfi_buffer_requirements bufreq;
858 int ret;
859
860 ret = venc_init_session(inst);
861 if (ret)
862 return ret;
863
864 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
865
866 *num = bufreq.count_actual;
867
868 hfi_session_deinit(inst);
869
870 return ret;
871 }
872
873 static int venc_queue_setup(struct vb2_queue *q,
874 unsigned int *num_buffers, unsigned int *num_planes,
875 unsigned int sizes[], struct device *alloc_devs[])
876 {
877 struct venus_inst *inst = vb2_get_drv_priv(q);
878 unsigned int num, min = 4;
879 int ret = 0;
880
881 if (*num_planes) {
882 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
883 *num_planes != inst->fmt_out->num_planes)
884 return -EINVAL;
885
886 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
887 *num_planes != inst->fmt_cap->num_planes)
888 return -EINVAL;
889
890 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
891 sizes[0] < inst->input_buf_size)
892 return -EINVAL;
893
894 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
895 sizes[0] < inst->output_buf_size)
896 return -EINVAL;
897
898 return 0;
899 }
900
901 switch (q->type) {
902 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
903 *num_planes = inst->fmt_out->num_planes;
904
905 ret = venc_out_num_buffers(inst, &num);
906 if (ret)
907 break;
908
909 num = max(num, min);
910 *num_buffers = max(*num_buffers, num);
911 inst->num_input_bufs = *num_buffers;
912
913 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
914 inst->width,
915 inst->height);
916 inst->input_buf_size = sizes[0];
917 break;
918 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
919 *num_planes = inst->fmt_cap->num_planes;
920 *num_buffers = max(*num_buffers, min);
921 inst->num_output_bufs = *num_buffers;
922 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
923 inst->width,
924 inst->height);
925 sizes[0] = max(sizes[0], inst->output_buf_size);
926 inst->output_buf_size = sizes[0];
927 break;
928 default:
929 ret = -EINVAL;
930 break;
931 }
932
933 return ret;
934 }
935
936 static int venc_verify_conf(struct venus_inst *inst)
937 {
938 enum hfi_version ver = inst->core->res->hfi_version;
939 struct hfi_buffer_requirements bufreq;
940 int ret;
941
942 if (!inst->num_input_bufs || !inst->num_output_bufs)
943 return -EINVAL;
944
945 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
946 if (ret)
947 return ret;
948
949 if (inst->num_output_bufs < bufreq.count_actual ||
950 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
951 return -EINVAL;
952
953 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
954 if (ret)
955 return ret;
956
957 if (inst->num_input_bufs < bufreq.count_actual ||
958 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
959 return -EINVAL;
960
961 return 0;
962 }
963
964 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
965 {
966 struct venus_inst *inst = vb2_get_drv_priv(q);
967 int ret;
968
969 mutex_lock(&inst->lock);
970
971 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
972 inst->streamon_out = 1;
973 else
974 inst->streamon_cap = 1;
975
976 if (!(inst->streamon_out & inst->streamon_cap)) {
977 mutex_unlock(&inst->lock);
978 return 0;
979 }
980
981 venus_helper_init_instance(inst);
982
983 inst->sequence_cap = 0;
984 inst->sequence_out = 0;
985
986 ret = venc_init_session(inst);
987 if (ret)
988 goto bufs_done;
989
990 ret = venc_set_properties(inst);
991 if (ret)
992 goto deinit_sess;
993
994 ret = venc_verify_conf(inst);
995 if (ret)
996 goto deinit_sess;
997
998 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
999 inst->num_output_bufs, 0);
1000 if (ret)
1001 goto deinit_sess;
1002
1003 ret = venus_helper_vb2_start_streaming(inst);
1004 if (ret)
1005 goto deinit_sess;
1006
1007 mutex_unlock(&inst->lock);
1008
1009 return 0;
1010
1011 deinit_sess:
1012 hfi_session_deinit(inst);
1013 bufs_done:
1014 venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
1015 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1016 inst->streamon_out = 0;
1017 else
1018 inst->streamon_cap = 0;
1019 mutex_unlock(&inst->lock);
1020 return ret;
1021 }
1022
1023 static const struct vb2_ops venc_vb2_ops = {
1024 .queue_setup = venc_queue_setup,
1025 .buf_init = venus_helper_vb2_buf_init,
1026 .buf_prepare = venus_helper_vb2_buf_prepare,
1027 .start_streaming = venc_start_streaming,
1028 .stop_streaming = venus_helper_vb2_stop_streaming,
1029 .buf_queue = venus_helper_vb2_buf_queue,
1030 };
1031
1032 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1033 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1034 u32 hfi_flags, u64 timestamp_us)
1035 {
1036 struct vb2_v4l2_buffer *vbuf;
1037 struct vb2_buffer *vb;
1038 unsigned int type;
1039
1040 if (buf_type == HFI_BUFFER_INPUT)
1041 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1042 else
1043 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1044
1045 vbuf = venus_helper_find_buf(inst, type, tag);
1046 if (!vbuf)
1047 return;
1048
1049 vbuf->flags = flags;
1050
1051 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1052 vb = &vbuf->vb2_buf;
1053 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1054 vb->planes[0].data_offset = data_offset;
1055 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1056 vbuf->sequence = inst->sequence_cap++;
1057 } else {
1058 vbuf->sequence = inst->sequence_out++;
1059 }
1060
1061 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1062 }
1063
1064 static void venc_event_notify(struct venus_inst *inst, u32 event,
1065 struct hfi_event_data *data)
1066 {
1067 struct device *dev = inst->core->dev_enc;
1068
1069 if (event == EVT_SESSION_ERROR) {
1070 inst->session_error = true;
1071 dev_err(dev, "enc: event session error %x\n", inst->error);
1072 }
1073 }
1074
1075 static const struct hfi_inst_ops venc_hfi_ops = {
1076 .buf_done = venc_buf_done,
1077 .event_notify = venc_event_notify,
1078 };
1079
1080 static const struct v4l2_m2m_ops venc_m2m_ops = {
1081 .device_run = venus_helper_m2m_device_run,
1082 .job_abort = venus_helper_m2m_job_abort,
1083 };
1084
1085 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1086 struct vb2_queue *dst_vq)
1087 {
1088 struct venus_inst *inst = priv;
1089 int ret;
1090
1091 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1092 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1093 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1094 src_vq->ops = &venc_vb2_ops;
1095 src_vq->mem_ops = &vb2_dma_sg_memops;
1096 src_vq->drv_priv = inst;
1097 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1098 src_vq->allow_zero_bytesused = 1;
1099 src_vq->min_buffers_needed = 1;
1100 src_vq->dev = inst->core->dev;
1101 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1102 src_vq->bidirectional = 1;
1103 ret = vb2_queue_init(src_vq);
1104 if (ret)
1105 return ret;
1106
1107 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1108 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1109 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1110 dst_vq->ops = &venc_vb2_ops;
1111 dst_vq->mem_ops = &vb2_dma_sg_memops;
1112 dst_vq->drv_priv = inst;
1113 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1114 dst_vq->allow_zero_bytesused = 1;
1115 dst_vq->min_buffers_needed = 1;
1116 dst_vq->dev = inst->core->dev;
1117 ret = vb2_queue_init(dst_vq);
1118 if (ret) {
1119 vb2_queue_release(src_vq);
1120 return ret;
1121 }
1122
1123 return 0;
1124 }
1125
1126 static void venc_inst_init(struct venus_inst *inst)
1127 {
1128 inst->fmt_cap = &venc_formats[2];
1129 inst->fmt_out = &venc_formats[0];
1130 inst->width = 1280;
1131 inst->height = ALIGN(720, 32);
1132 inst->out_width = 1280;
1133 inst->out_height = 720;
1134 inst->fps = 15;
1135 inst->timeperframe.numerator = 1;
1136 inst->timeperframe.denominator = 15;
1137 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1138 }
1139
1140 static int venc_open(struct file *file)
1141 {
1142 struct venus_core *core = video_drvdata(file);
1143 struct venus_inst *inst;
1144 int ret;
1145
1146 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1147 if (!inst)
1148 return -ENOMEM;
1149
1150 INIT_LIST_HEAD(&inst->dpbbufs);
1151 INIT_LIST_HEAD(&inst->registeredbufs);
1152 INIT_LIST_HEAD(&inst->internalbufs);
1153 INIT_LIST_HEAD(&inst->list);
1154 mutex_init(&inst->lock);
1155
1156 inst->core = core;
1157 inst->session_type = VIDC_SESSION_TYPE_ENC;
1158
1159 venus_helper_init_instance(inst);
1160
1161 ret = pm_runtime_get_sync(core->dev_enc);
1162 if (ret < 0)
1163 goto err_free_inst;
1164
1165 ret = venc_ctrl_init(inst);
1166 if (ret)
1167 goto err_put_sync;
1168
1169 ret = hfi_session_create(inst, &venc_hfi_ops);
1170 if (ret)
1171 goto err_ctrl_deinit;
1172
1173 venc_inst_init(inst);
1174
1175
1176
1177
1178
1179 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1180 if (IS_ERR(inst->m2m_dev)) {
1181 ret = PTR_ERR(inst->m2m_dev);
1182 goto err_session_destroy;
1183 }
1184
1185 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1186 if (IS_ERR(inst->m2m_ctx)) {
1187 ret = PTR_ERR(inst->m2m_ctx);
1188 goto err_m2m_release;
1189 }
1190
1191 v4l2_fh_init(&inst->fh, core->vdev_enc);
1192
1193 inst->fh.ctrl_handler = &inst->ctrl_handler;
1194 v4l2_fh_add(&inst->fh);
1195 inst->fh.m2m_ctx = inst->m2m_ctx;
1196 file->private_data = &inst->fh;
1197
1198 return 0;
1199
1200 err_m2m_release:
1201 v4l2_m2m_release(inst->m2m_dev);
1202 err_session_destroy:
1203 hfi_session_destroy(inst);
1204 err_ctrl_deinit:
1205 venc_ctrl_deinit(inst);
1206 err_put_sync:
1207 pm_runtime_put_sync(core->dev_enc);
1208 err_free_inst:
1209 kfree(inst);
1210 return ret;
1211 }
1212
1213 static int venc_close(struct file *file)
1214 {
1215 struct venus_inst *inst = to_inst(file);
1216
1217 v4l2_m2m_ctx_release(inst->m2m_ctx);
1218 v4l2_m2m_release(inst->m2m_dev);
1219 venc_ctrl_deinit(inst);
1220 hfi_session_destroy(inst);
1221 mutex_destroy(&inst->lock);
1222 v4l2_fh_del(&inst->fh);
1223 v4l2_fh_exit(&inst->fh);
1224
1225 pm_runtime_put_sync(inst->core->dev_enc);
1226
1227 kfree(inst);
1228 return 0;
1229 }
1230
1231 static const struct v4l2_file_operations venc_fops = {
1232 .owner = THIS_MODULE,
1233 .open = venc_open,
1234 .release = venc_close,
1235 .unlocked_ioctl = video_ioctl2,
1236 .poll = v4l2_m2m_fop_poll,
1237 .mmap = v4l2_m2m_fop_mmap,
1238 };
1239
1240 static int venc_probe(struct platform_device *pdev)
1241 {
1242 struct device *dev = &pdev->dev;
1243 struct video_device *vdev;
1244 struct venus_core *core;
1245 int ret;
1246
1247 if (!dev->parent)
1248 return -EPROBE_DEFER;
1249
1250 core = dev_get_drvdata(dev->parent);
1251 if (!core)
1252 return -EPROBE_DEFER;
1253
1254 if (IS_V3(core) || IS_V4(core)) {
1255 core->core1_clk = devm_clk_get(dev, "core");
1256 if (IS_ERR(core->core1_clk))
1257 return PTR_ERR(core->core1_clk);
1258 }
1259
1260 if (IS_V4(core)) {
1261 core->core1_bus_clk = devm_clk_get(dev, "bus");
1262 if (IS_ERR(core->core1_bus_clk))
1263 return PTR_ERR(core->core1_bus_clk);
1264 }
1265
1266 platform_set_drvdata(pdev, core);
1267
1268 vdev = video_device_alloc();
1269 if (!vdev)
1270 return -ENOMEM;
1271
1272 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1273 vdev->release = video_device_release;
1274 vdev->fops = &venc_fops;
1275 vdev->ioctl_ops = &venc_ioctl_ops;
1276 vdev->vfl_dir = VFL_DIR_M2M;
1277 vdev->v4l2_dev = &core->v4l2_dev;
1278 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1279
1280 ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1281 if (ret)
1282 goto err_vdev_release;
1283
1284 core->vdev_enc = vdev;
1285 core->dev_enc = dev;
1286
1287 video_set_drvdata(vdev, core);
1288 pm_runtime_enable(dev);
1289
1290 return 0;
1291
1292 err_vdev_release:
1293 video_device_release(vdev);
1294 return ret;
1295 }
1296
1297 static int venc_remove(struct platform_device *pdev)
1298 {
1299 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1300
1301 video_unregister_device(core->vdev_enc);
1302 pm_runtime_disable(core->dev_enc);
1303
1304 return 0;
1305 }
1306
1307 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1308 {
1309 struct venus_core *core = dev_get_drvdata(dev);
1310 int ret;
1311
1312 if (IS_V1(core))
1313 return 0;
1314
1315 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1316 if (ret)
1317 return ret;
1318
1319 if (IS_V4(core))
1320 clk_disable_unprepare(core->core1_bus_clk);
1321
1322 clk_disable_unprepare(core->core1_clk);
1323
1324 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1325 }
1326
1327 static __maybe_unused int venc_runtime_resume(struct device *dev)
1328 {
1329 struct venus_core *core = dev_get_drvdata(dev);
1330 int ret;
1331
1332 if (IS_V1(core))
1333 return 0;
1334
1335 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1336 if (ret)
1337 return ret;
1338
1339 ret = clk_prepare_enable(core->core1_clk);
1340 if (ret)
1341 goto err_power_disable;
1342
1343 if (IS_V4(core))
1344 ret = clk_prepare_enable(core->core1_bus_clk);
1345
1346 if (ret)
1347 goto err_unprepare_core1;
1348
1349 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1350
1351 err_unprepare_core1:
1352 clk_disable_unprepare(core->core1_clk);
1353 err_power_disable:
1354 venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1355 return ret;
1356 }
1357
1358 static const struct dev_pm_ops venc_pm_ops = {
1359 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1360 pm_runtime_force_resume)
1361 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1362 };
1363
1364 static const struct of_device_id venc_dt_match[] = {
1365 { .compatible = "venus-encoder" },
1366 { }
1367 };
1368 MODULE_DEVICE_TABLE(of, venc_dt_match);
1369
1370 static struct platform_driver qcom_venus_enc_driver = {
1371 .probe = venc_probe,
1372 .remove = venc_remove,
1373 .driver = {
1374 .name = "qcom-venus-encoder",
1375 .of_match_table = venc_dt_match,
1376 .pm = &venc_pm_ops,
1377 },
1378 };
1379 module_platform_driver(qcom_venus_enc_driver);
1380
1381 MODULE_ALIAS("platform:qcom-venus-encoder");
1382 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1383 MODULE_LICENSE("GPL v2");