1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2017 Linaro Ltd.
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-contig.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 #include "pm_helpers.h"
24
25 #define NUM_B_FRAMES_MAX 4
26
27 /*
28 * Three resons to keep MPLANE formats (despite that the number of planes
29 * currently is one):
30 * - the MPLANE formats allow only one plane to be used
31 * - the downstream driver use MPLANE formats too
32 * - future firmware versions could add support for >1 planes
33 */
34 static const struct venus_format venc_formats[] = {
35 {
36 .pixfmt = V4L2_PIX_FMT_NV12,
37 .num_planes = 1,
38 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
39 }, {
40 .pixfmt = V4L2_PIX_FMT_MPEG4,
41 .num_planes = 1,
42 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
43 }, {
44 .pixfmt = V4L2_PIX_FMT_H263,
45 .num_planes = 1,
46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
47 }, {
48 .pixfmt = V4L2_PIX_FMT_H264,
49 .num_planes = 1,
50 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
51 }, {
52 .pixfmt = V4L2_PIX_FMT_VP8,
53 .num_planes = 1,
54 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
55 }, {
56 .pixfmt = V4L2_PIX_FMT_HEVC,
57 .num_planes = 1,
58 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
59 },
60 };
61
62 static const struct venus_format *
find_format(struct venus_inst * inst,u32 pixfmt,u32 type)63 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
64 {
65 const struct venus_format *fmt = venc_formats;
66 unsigned int size = ARRAY_SIZE(venc_formats);
67 unsigned int i;
68
69 for (i = 0; i < size; i++) {
70 if (fmt[i].pixfmt == pixfmt)
71 break;
72 }
73
74 if (i == size || fmt[i].type != type)
75 return NULL;
76
77 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
78 !venus_helper_check_codec(inst, fmt[i].pixfmt))
79 return NULL;
80
81 return &fmt[i];
82 }
83
84 static const struct venus_format *
find_format_by_index(struct venus_inst * inst,unsigned int index,u32 type)85 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
86 {
87 const struct venus_format *fmt = venc_formats;
88 unsigned int size = ARRAY_SIZE(venc_formats);
89 unsigned int i, k = 0;
90
91 if (index > size)
92 return NULL;
93
94 for (i = 0; i < size; i++) {
95 bool valid;
96
97 if (fmt[i].type != type)
98 continue;
99 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
100 venus_helper_check_codec(inst, fmt[i].pixfmt);
101 if (k == index && valid)
102 break;
103 if (valid)
104 k++;
105 }
106
107 if (i == size)
108 return NULL;
109
110 return &fmt[i];
111 }
112
venc_v4l2_to_hfi(int id,int value)113 static int venc_v4l2_to_hfi(int id, int value)
114 {
115 switch (id) {
116 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
117 switch (value) {
118 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
119 default:
120 return HFI_H264_ENTROPY_CAVLC;
121 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
122 return HFI_H264_ENTROPY_CABAC;
123 }
124 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
125 switch (value) {
126 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
127 default:
128 return HFI_H264_DB_MODE_ALL_BOUNDARY;
129 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
130 return HFI_H264_DB_MODE_DISABLE;
131 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
132 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
133 }
134 }
135
136 return 0;
137 }
138
139 static int
venc_querycap(struct file * file,void * fh,struct v4l2_capability * cap)140 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
141 {
142 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
143 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
144 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
145
146 return 0;
147 }
148
venc_enum_fmt(struct file * file,void * fh,struct v4l2_fmtdesc * f)149 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
150 {
151 struct venus_inst *inst = to_inst(file);
152 const struct venus_format *fmt;
153
154 fmt = find_format_by_index(inst, f->index, f->type);
155
156 memset(f->reserved, 0, sizeof(f->reserved));
157
158 if (!fmt)
159 return -EINVAL;
160
161 f->pixelformat = fmt->pixfmt;
162
163 return 0;
164 }
165
166 static const struct venus_format *
venc_try_fmt_common(struct venus_inst * inst,struct v4l2_format * f)167 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
168 {
169 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
170 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
171 const struct venus_format *fmt;
172 u32 sizeimage;
173
174 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
175 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
176
177 fmt = find_format(inst, pixmp->pixelformat, f->type);
178 if (!fmt) {
179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
180 pixmp->pixelformat = V4L2_PIX_FMT_H264;
181 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
182 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
183 else
184 return NULL;
185 fmt = find_format(inst, pixmp->pixelformat, f->type);
186 }
187
188 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
189 frame_width_max(inst));
190 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
191 frame_height_max(inst));
192
193 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
194 pixmp->width = ALIGN(pixmp->width, 128);
195 pixmp->height = ALIGN(pixmp->height, 32);
196 }
197
198 pixmp->width = ALIGN(pixmp->width, 2);
199 pixmp->height = ALIGN(pixmp->height, 2);
200
201 if (pixmp->field == V4L2_FIELD_ANY)
202 pixmp->field = V4L2_FIELD_NONE;
203 pixmp->num_planes = fmt->num_planes;
204 pixmp->flags = 0;
205
206 sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
207 pixmp->width,
208 pixmp->height);
209 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
210
211 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
212 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
213 else
214 pfmt[0].bytesperline = 0;
215
216 return fmt;
217 }
218
venc_try_fmt(struct file * file,void * fh,struct v4l2_format * f)219 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
220 {
221 struct venus_inst *inst = to_inst(file);
222
223 venc_try_fmt_common(inst, f);
224
225 return 0;
226 }
227
venc_s_fmt(struct file * file,void * fh,struct v4l2_format * f)228 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
229 {
230 struct venus_inst *inst = to_inst(file);
231 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
232 struct v4l2_pix_format_mplane orig_pixmp;
233 const struct venus_format *fmt;
234 struct v4l2_format format;
235 u32 pixfmt_out = 0, pixfmt_cap = 0;
236 struct vb2_queue *q;
237
238 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
239 if (!q)
240 return -EINVAL;
241
242 if (vb2_is_busy(q))
243 return -EBUSY;
244
245 orig_pixmp = *pixmp;
246
247 fmt = venc_try_fmt_common(inst, f);
248 if (!fmt)
249 return -EINVAL;
250
251 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
252 pixfmt_out = pixmp->pixelformat;
253 pixfmt_cap = inst->fmt_cap->pixfmt;
254 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
255 pixfmt_cap = pixmp->pixelformat;
256 pixfmt_out = inst->fmt_out->pixfmt;
257 }
258
259 memset(&format, 0, sizeof(format));
260
261 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
262 format.fmt.pix_mp.pixelformat = pixfmt_out;
263 format.fmt.pix_mp.width = orig_pixmp.width;
264 format.fmt.pix_mp.height = orig_pixmp.height;
265 venc_try_fmt_common(inst, &format);
266
267 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
268 inst->out_width = format.fmt.pix_mp.width;
269 inst->out_height = format.fmt.pix_mp.height;
270 inst->colorspace = pixmp->colorspace;
271 inst->ycbcr_enc = pixmp->ycbcr_enc;
272 inst->quantization = pixmp->quantization;
273 inst->xfer_func = pixmp->xfer_func;
274 }
275
276 memset(&format, 0, sizeof(format));
277
278 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
279 format.fmt.pix_mp.pixelformat = pixfmt_cap;
280 format.fmt.pix_mp.width = orig_pixmp.width;
281 format.fmt.pix_mp.height = orig_pixmp.height;
282 venc_try_fmt_common(inst, &format);
283
284 inst->width = format.fmt.pix_mp.width;
285 inst->height = format.fmt.pix_mp.height;
286
287 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
288 inst->fmt_out = fmt;
289 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
290 inst->fmt_cap = fmt;
291 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
292 }
293
294 return 0;
295 }
296
venc_g_fmt(struct file * file,void * fh,struct v4l2_format * f)297 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
298 {
299 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
300 struct venus_inst *inst = to_inst(file);
301 const struct venus_format *fmt;
302
303 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
304 fmt = inst->fmt_cap;
305 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
306 fmt = inst->fmt_out;
307 else
308 return -EINVAL;
309
310 pixmp->pixelformat = fmt->pixfmt;
311
312 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
313 pixmp->width = inst->width;
314 pixmp->height = inst->height;
315 pixmp->colorspace = inst->colorspace;
316 pixmp->ycbcr_enc = inst->ycbcr_enc;
317 pixmp->quantization = inst->quantization;
318 pixmp->xfer_func = inst->xfer_func;
319 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
320 pixmp->width = inst->out_width;
321 pixmp->height = inst->out_height;
322 }
323
324 venc_try_fmt_common(inst, f);
325
326 return 0;
327 }
328
329 static int
venc_g_selection(struct file * file,void * fh,struct v4l2_selection * s)330 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
331 {
332 struct venus_inst *inst = to_inst(file);
333
334 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
335 return -EINVAL;
336
337 switch (s->target) {
338 case V4L2_SEL_TGT_CROP_DEFAULT:
339 case V4L2_SEL_TGT_CROP_BOUNDS:
340 s->r.width = inst->out_width;
341 s->r.height = inst->out_height;
342 break;
343 case V4L2_SEL_TGT_CROP:
344 s->r.width = inst->width;
345 s->r.height = inst->height;
346 break;
347 default:
348 return -EINVAL;
349 }
350
351 s->r.top = 0;
352 s->r.left = 0;
353
354 return 0;
355 }
356
357 static int
venc_s_selection(struct file * file,void * fh,struct v4l2_selection * s)358 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
359 {
360 struct venus_inst *inst = to_inst(file);
361
362 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
363 return -EINVAL;
364
365 if (s->r.width > inst->out_width ||
366 s->r.height > inst->out_height)
367 return -EINVAL;
368
369 s->r.width = ALIGN(s->r.width, 2);
370 s->r.height = ALIGN(s->r.height, 2);
371
372 switch (s->target) {
373 case V4L2_SEL_TGT_CROP:
374 s->r.top = 0;
375 s->r.left = 0;
376 inst->width = s->r.width;
377 inst->height = s->r.height;
378 break;
379 default:
380 return -EINVAL;
381 }
382
383 return 0;
384 }
385
venc_s_parm(struct file * file,void * fh,struct v4l2_streamparm * a)386 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
387 {
388 struct venus_inst *inst = to_inst(file);
389 struct v4l2_outputparm *out = &a->parm.output;
390 struct v4l2_fract *timeperframe = &out->timeperframe;
391 u64 us_per_frame, fps;
392
393 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
394 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
395 return -EINVAL;
396
397 memset(out->reserved, 0, sizeof(out->reserved));
398
399 if (!timeperframe->denominator)
400 timeperframe->denominator = inst->timeperframe.denominator;
401 if (!timeperframe->numerator)
402 timeperframe->numerator = inst->timeperframe.numerator;
403
404 out->capability = V4L2_CAP_TIMEPERFRAME;
405
406 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
407 do_div(us_per_frame, timeperframe->denominator);
408
409 if (!us_per_frame)
410 return -EINVAL;
411
412 fps = (u64)USEC_PER_SEC;
413 do_div(fps, us_per_frame);
414
415 inst->timeperframe = *timeperframe;
416 inst->fps = fps;
417
418 return 0;
419 }
420
venc_g_parm(struct file * file,void * fh,struct v4l2_streamparm * a)421 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
422 {
423 struct venus_inst *inst = to_inst(file);
424
425 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
426 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
427 return -EINVAL;
428
429 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
430 a->parm.output.timeperframe = inst->timeperframe;
431
432 return 0;
433 }
434
venc_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)435 static int venc_enum_framesizes(struct file *file, void *fh,
436 struct v4l2_frmsizeenum *fsize)
437 {
438 struct venus_inst *inst = to_inst(file);
439 const struct venus_format *fmt;
440
441 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
442
443 fmt = find_format(inst, fsize->pixel_format,
444 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
445 if (!fmt) {
446 fmt = find_format(inst, fsize->pixel_format,
447 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
448 if (!fmt)
449 return -EINVAL;
450 }
451
452 if (fsize->index)
453 return -EINVAL;
454
455 fsize->stepwise.min_width = frame_width_min(inst);
456 fsize->stepwise.max_width = frame_width_max(inst);
457 fsize->stepwise.step_width = frame_width_step(inst);
458 fsize->stepwise.min_height = frame_height_min(inst);
459 fsize->stepwise.max_height = frame_height_max(inst);
460 fsize->stepwise.step_height = frame_height_step(inst);
461
462 return 0;
463 }
464
venc_enum_frameintervals(struct file * file,void * fh,struct v4l2_frmivalenum * fival)465 static int venc_enum_frameintervals(struct file *file, void *fh,
466 struct v4l2_frmivalenum *fival)
467 {
468 struct venus_inst *inst = to_inst(file);
469 const struct venus_format *fmt;
470 unsigned int framerate_factor = 1;
471
472 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
473
474 fmt = find_format(inst, fival->pixel_format,
475 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
476 if (!fmt) {
477 fmt = find_format(inst, fival->pixel_format,
478 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
479 if (!fmt)
480 return -EINVAL;
481 }
482
483 if (fival->index)
484 return -EINVAL;
485
486 if (!fival->width || !fival->height)
487 return -EINVAL;
488
489 if (fival->width > frame_width_max(inst) ||
490 fival->width < frame_width_min(inst) ||
491 fival->height > frame_height_max(inst) ||
492 fival->height < frame_height_min(inst))
493 return -EINVAL;
494
495 if (IS_V1(inst->core)) {
496 /* framerate is reported in 1/65535 fps unit */
497 framerate_factor = (1 << 16);
498 }
499
500 fival->stepwise.min.numerator = 1;
501 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
502 fival->stepwise.max.numerator = 1;
503 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
504 fival->stepwise.step.numerator = 1;
505 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
506
507 return 0;
508 }
509
510 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
511 .vidioc_querycap = venc_querycap,
512 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
513 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
514 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
515 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
516 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
517 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
518 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
519 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
520 .vidioc_g_selection = venc_g_selection,
521 .vidioc_s_selection = venc_s_selection,
522 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
523 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
524 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
525 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
526 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
527 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
528 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
529 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
530 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
531 .vidioc_s_parm = venc_s_parm,
532 .vidioc_g_parm = venc_g_parm,
533 .vidioc_enum_framesizes = venc_enum_framesizes,
534 .vidioc_enum_frameintervals = venc_enum_frameintervals,
535 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
536 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
537 };
538
venc_set_properties(struct venus_inst * inst)539 static int venc_set_properties(struct venus_inst *inst)
540 {
541 struct venc_controls *ctr = &inst->controls.enc;
542 struct hfi_intra_period intra_period;
543 struct hfi_framerate frate;
544 struct hfi_bitrate brate;
545 struct hfi_idr_period idrp;
546 struct hfi_quantization quant;
547 struct hfi_quantization_range quant_range;
548 struct hfi_enable en;
549 struct hfi_ltr_mode ltr_mode;
550 u32 ptype, rate_control, bitrate;
551 u32 profile, level;
552 int ret;
553
554 ret = venus_helper_set_work_mode(inst);
555 if (ret)
556 return ret;
557
558 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
559 frate.buffer_type = HFI_BUFFER_OUTPUT;
560 frate.framerate = inst->fps * (1 << 16);
561
562 ret = hfi_session_set_property(inst, ptype, &frate);
563 if (ret)
564 return ret;
565
566 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
567 struct hfi_h264_vui_timing_info info;
568 struct hfi_h264_entropy_control entropy;
569 struct hfi_h264_db_control deblock;
570
571 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
572 info.enable = 1;
573 info.fixed_framerate = 1;
574 info.time_scale = NSEC_PER_SEC;
575
576 ret = hfi_session_set_property(inst, ptype, &info);
577 if (ret)
578 return ret;
579
580 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
581 entropy.entropy_mode = venc_v4l2_to_hfi(
582 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
583 ctr->h264_entropy_mode);
584 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
585
586 ret = hfi_session_set_property(inst, ptype, &entropy);
587 if (ret)
588 return ret;
589
590 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
591 deblock.mode = venc_v4l2_to_hfi(
592 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
593 ctr->h264_loop_filter_mode);
594 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
595 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
596
597 ret = hfi_session_set_property(inst, ptype, &deblock);
598 if (ret)
599 return ret;
600 }
601
602 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
603 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
604 /* IDR periodicity, n:
605 * n = 0 - only the first I-frame is IDR frame
606 * n = 1 - all I-frames will be IDR frames
607 * n > 1 - every n-th I-frame will be IDR frame
608 */
609 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
610 idrp.idr_period = 0;
611 ret = hfi_session_set_property(inst, ptype, &idrp);
612 if (ret)
613 return ret;
614 }
615
616 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
617 struct hfi_hdr10_pq_sei hdr10;
618 unsigned int c;
619
620 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI;
621
622 for (c = 0; c < 3; c++) {
623 hdr10.mastering.display_primaries_x[c] =
624 ctr->mastering.display_primaries_x[c];
625 hdr10.mastering.display_primaries_y[c] =
626 ctr->mastering.display_primaries_y[c];
627 }
628
629 hdr10.mastering.white_point_x = ctr->mastering.white_point_x;
630 hdr10.mastering.white_point_y = ctr->mastering.white_point_y;
631 hdr10.mastering.max_display_mastering_luminance =
632 ctr->mastering.max_display_mastering_luminance;
633 hdr10.mastering.min_display_mastering_luminance =
634 ctr->mastering.min_display_mastering_luminance;
635
636 hdr10.cll.max_content_light = ctr->cll.max_content_light_level;
637 hdr10.cll.max_pic_average_light =
638 ctr->cll.max_pic_average_light_level;
639
640 ret = hfi_session_set_property(inst, ptype, &hdr10);
641 if (ret)
642 return ret;
643 }
644
645 if (ctr->num_b_frames) {
646 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
647
648 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
649 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
650 if (ret)
651 return ret;
652 }
653
654 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
655 intra_period.pframes = ctr->num_p_frames;
656 intra_period.bframes = ctr->num_b_frames;
657
658 ret = hfi_session_set_property(inst, ptype, &intra_period);
659 if (ret)
660 return ret;
661
662 if (!ctr->rc_enable)
663 rate_control = HFI_RATE_CONTROL_OFF;
664 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
665 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
666 HFI_RATE_CONTROL_VBR_CFR;
667 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
668 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
669 HFI_RATE_CONTROL_CBR_CFR;
670 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
671 rate_control = HFI_RATE_CONTROL_CQ;
672
673 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
674 ret = hfi_session_set_property(inst, ptype, &rate_control);
675 if (ret)
676 return ret;
677
678 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
679 struct hfi_heic_frame_quality quality = {};
680
681 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
682 quality.frame_quality = ctr->const_quality;
683 ret = hfi_session_set_property(inst, ptype, &quality);
684 if (ret)
685 return ret;
686 }
687
688 if (!ctr->bitrate)
689 bitrate = 64000;
690 else
691 bitrate = ctr->bitrate;
692
693 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
694 brate.bitrate = bitrate;
695 brate.layer_id = 0;
696
697 ret = hfi_session_set_property(inst, ptype, &brate);
698 if (ret)
699 return ret;
700
701 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
702 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
703 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
704 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
705 en.enable = 0;
706 else
707 en.enable = 1;
708
709 ret = hfi_session_set_property(inst, ptype, &en);
710 if (ret)
711 return ret;
712 }
713
714 if (!ctr->bitrate_peak)
715 bitrate *= 2;
716 else
717 bitrate = ctr->bitrate_peak;
718
719 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
720 brate.bitrate = bitrate;
721 brate.layer_id = 0;
722
723 ret = hfi_session_set_property(inst, ptype, &brate);
724 if (ret)
725 return ret;
726
727 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
728 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
729 quant.qp_i = ctr->hevc_i_qp;
730 quant.qp_p = ctr->hevc_p_qp;
731 quant.qp_b = ctr->hevc_b_qp;
732 } else {
733 quant.qp_i = ctr->h264_i_qp;
734 quant.qp_p = ctr->h264_p_qp;
735 quant.qp_b = ctr->h264_b_qp;
736 }
737 quant.layer_id = 0;
738 ret = hfi_session_set_property(inst, ptype, &quant);
739 if (ret)
740 return ret;
741
742 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
743 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
744 quant_range.min_qp = ctr->hevc_min_qp;
745 quant_range.max_qp = ctr->hevc_max_qp;
746 } else {
747 quant_range.min_qp = ctr->h264_min_qp;
748 quant_range.max_qp = ctr->h264_max_qp;
749 }
750 quant_range.layer_id = 0;
751 ret = hfi_session_set_property(inst, ptype, &quant_range);
752 if (ret)
753 return ret;
754
755 ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE;
756 ltr_mode.ltr_count = ctr->ltr_count;
757 ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL;
758 ltr_mode.trust_mode = 1;
759 ret = hfi_session_set_property(inst, ptype, <r_mode);
760 if (ret)
761 return ret;
762
763 switch (inst->hfi_codec) {
764 case HFI_VIDEO_CODEC_H264:
765 profile = ctr->profile.h264;
766 level = ctr->level.h264;
767 break;
768 case HFI_VIDEO_CODEC_MPEG4:
769 profile = ctr->profile.mpeg4;
770 level = ctr->level.mpeg4;
771 break;
772 case HFI_VIDEO_CODEC_VP8:
773 profile = ctr->profile.vp8;
774 level = 0;
775 break;
776 case HFI_VIDEO_CODEC_VP9:
777 profile = ctr->profile.vp9;
778 level = ctr->level.vp9;
779 break;
780 case HFI_VIDEO_CODEC_HEVC:
781 profile = ctr->profile.hevc;
782 level = ctr->level.hevc;
783 break;
784 case HFI_VIDEO_CODEC_MPEG2:
785 default:
786 profile = 0;
787 level = 0;
788 break;
789 }
790
791 ret = venus_helper_set_profile_level(inst, profile, level);
792 if (ret)
793 return ret;
794
795 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
796 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
797 struct hfi_enable en = {};
798
799 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
800
801 if (ctr->aud_enable)
802 en.enable = 1;
803
804 ret = hfi_session_set_property(inst, ptype, &en);
805 if (ret)
806 return ret;
807 }
808
809 return 0;
810 }
811
venc_init_session(struct venus_inst * inst)812 static int venc_init_session(struct venus_inst *inst)
813 {
814 int ret;
815
816 ret = venus_helper_session_init(inst);
817 if (ret == -EALREADY)
818 return 0;
819 else if (ret)
820 return ret;
821
822 ret = venus_helper_set_stride(inst, inst->out_width,
823 inst->out_height);
824 if (ret)
825 goto deinit;
826
827 ret = venus_helper_set_input_resolution(inst, inst->width,
828 inst->height);
829 if (ret)
830 goto deinit;
831
832 ret = venus_helper_set_output_resolution(inst, inst->width,
833 inst->height,
834 HFI_BUFFER_OUTPUT);
835 if (ret)
836 goto deinit;
837
838 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
839 if (ret)
840 goto deinit;
841
842 ret = venc_set_properties(inst);
843 if (ret)
844 goto deinit;
845
846 return 0;
847 deinit:
848 hfi_session_deinit(inst);
849 return ret;
850 }
851
venc_out_num_buffers(struct venus_inst * inst,unsigned int * num)852 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
853 {
854 struct hfi_buffer_requirements bufreq;
855 int ret;
856
857 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
858 if (ret)
859 return ret;
860
861 *num = bufreq.count_actual;
862
863 return 0;
864 }
865
venc_queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])866 static int venc_queue_setup(struct vb2_queue *q,
867 unsigned int *num_buffers, unsigned int *num_planes,
868 unsigned int sizes[], struct device *alloc_devs[])
869 {
870 struct venus_inst *inst = vb2_get_drv_priv(q);
871 unsigned int num, min = 4;
872 int ret;
873
874 if (*num_planes) {
875 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
876 *num_planes != inst->fmt_out->num_planes)
877 return -EINVAL;
878
879 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
880 *num_planes != inst->fmt_cap->num_planes)
881 return -EINVAL;
882
883 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
884 sizes[0] < inst->input_buf_size)
885 return -EINVAL;
886
887 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
888 sizes[0] < inst->output_buf_size)
889 return -EINVAL;
890
891 return 0;
892 }
893
894 mutex_lock(&inst->lock);
895 ret = venc_init_session(inst);
896 mutex_unlock(&inst->lock);
897
898 if (ret)
899 return ret;
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->out_width,
915 inst->out_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
venc_buf_init(struct vb2_buffer * vb)936 static int venc_buf_init(struct vb2_buffer *vb)
937 {
938 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
939
940 inst->buf_count++;
941
942 return venus_helper_vb2_buf_init(vb);
943 }
944
venc_release_session(struct venus_inst * inst)945 static void venc_release_session(struct venus_inst *inst)
946 {
947 int ret;
948
949 mutex_lock(&inst->lock);
950
951 ret = hfi_session_deinit(inst);
952 if (ret || inst->session_error)
953 hfi_session_abort(inst);
954
955 mutex_unlock(&inst->lock);
956
957 venus_pm_load_scale(inst);
958 INIT_LIST_HEAD(&inst->registeredbufs);
959 venus_pm_release_core(inst);
960 }
961
venc_buf_cleanup(struct vb2_buffer * vb)962 static void venc_buf_cleanup(struct vb2_buffer *vb)
963 {
964 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
965 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
966 struct venus_buffer *buf = to_venus_buffer(vbuf);
967
968 mutex_lock(&inst->lock);
969 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
970 if (!list_empty(&inst->registeredbufs))
971 list_del_init(&buf->reg_list);
972 mutex_unlock(&inst->lock);
973
974 inst->buf_count--;
975 if (!inst->buf_count)
976 venc_release_session(inst);
977 }
978
venc_verify_conf(struct venus_inst * inst)979 static int venc_verify_conf(struct venus_inst *inst)
980 {
981 enum hfi_version ver = inst->core->res->hfi_version;
982 struct hfi_buffer_requirements bufreq;
983 int ret;
984
985 if (!inst->num_input_bufs || !inst->num_output_bufs)
986 return -EINVAL;
987
988 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
989 if (ret)
990 return ret;
991
992 if (inst->num_output_bufs < bufreq.count_actual ||
993 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
994 return -EINVAL;
995
996 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
997 if (ret)
998 return ret;
999
1000 if (inst->num_input_bufs < bufreq.count_actual ||
1001 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
1002 return -EINVAL;
1003
1004 return 0;
1005 }
1006
venc_start_streaming(struct vb2_queue * q,unsigned int count)1007 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
1008 {
1009 struct venus_inst *inst = vb2_get_drv_priv(q);
1010 int ret;
1011
1012 mutex_lock(&inst->lock);
1013
1014 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1015 inst->streamon_out = 1;
1016 else
1017 inst->streamon_cap = 1;
1018
1019 if (!(inst->streamon_out & inst->streamon_cap)) {
1020 mutex_unlock(&inst->lock);
1021 return 0;
1022 }
1023
1024 venus_helper_init_instance(inst);
1025
1026 inst->sequence_cap = 0;
1027 inst->sequence_out = 0;
1028
1029 ret = venus_pm_acquire_core(inst);
1030 if (ret)
1031 goto error;
1032
1033 ret = venc_set_properties(inst);
1034 if (ret)
1035 goto error;
1036
1037 ret = venc_verify_conf(inst);
1038 if (ret)
1039 goto error;
1040
1041 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1042 inst->num_output_bufs, 0);
1043 if (ret)
1044 goto error;
1045
1046 ret = venus_helper_vb2_start_streaming(inst);
1047 if (ret)
1048 goto error;
1049
1050 mutex_unlock(&inst->lock);
1051
1052 return 0;
1053
1054 error:
1055 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1056 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1057 inst->streamon_out = 0;
1058 else
1059 inst->streamon_cap = 0;
1060 mutex_unlock(&inst->lock);
1061 return ret;
1062 }
1063
venc_vb2_buf_queue(struct vb2_buffer * vb)1064 static void venc_vb2_buf_queue(struct vb2_buffer *vb)
1065 {
1066 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1067
1068 mutex_lock(&inst->lock);
1069 venus_helper_vb2_buf_queue(vb);
1070 mutex_unlock(&inst->lock);
1071 }
1072
1073 static const struct vb2_ops venc_vb2_ops = {
1074 .queue_setup = venc_queue_setup,
1075 .buf_init = venc_buf_init,
1076 .buf_cleanup = venc_buf_cleanup,
1077 .buf_prepare = venus_helper_vb2_buf_prepare,
1078 .start_streaming = venc_start_streaming,
1079 .stop_streaming = venus_helper_vb2_stop_streaming,
1080 .buf_queue = venc_vb2_buf_queue,
1081 };
1082
venc_buf_done(struct venus_inst * inst,unsigned int buf_type,u32 tag,u32 bytesused,u32 data_offset,u32 flags,u32 hfi_flags,u64 timestamp_us)1083 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1084 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1085 u32 hfi_flags, u64 timestamp_us)
1086 {
1087 struct vb2_v4l2_buffer *vbuf;
1088 struct vb2_buffer *vb;
1089 unsigned int type;
1090
1091 if (buf_type == HFI_BUFFER_INPUT)
1092 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1093 else
1094 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1095
1096 vbuf = venus_helper_find_buf(inst, type, tag);
1097 if (!vbuf)
1098 return;
1099
1100 vbuf->flags = flags;
1101
1102 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1103 vb = &vbuf->vb2_buf;
1104 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1105 vb->planes[0].data_offset = data_offset;
1106 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1107 vbuf->sequence = inst->sequence_cap++;
1108 } else {
1109 vbuf->sequence = inst->sequence_out++;
1110 }
1111
1112 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1113 }
1114
venc_event_notify(struct venus_inst * inst,u32 event,struct hfi_event_data * data)1115 static void venc_event_notify(struct venus_inst *inst, u32 event,
1116 struct hfi_event_data *data)
1117 {
1118 struct device *dev = inst->core->dev_enc;
1119
1120 if (event == EVT_SESSION_ERROR) {
1121 inst->session_error = true;
1122 dev_err(dev, "enc: event session error %x\n", inst->error);
1123 }
1124 }
1125
1126 static const struct hfi_inst_ops venc_hfi_ops = {
1127 .buf_done = venc_buf_done,
1128 .event_notify = venc_event_notify,
1129 };
1130
1131 static const struct v4l2_m2m_ops venc_m2m_ops = {
1132 .device_run = venus_helper_m2m_device_run,
1133 .job_abort = venus_helper_m2m_job_abort,
1134 };
1135
m2m_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)1136 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1137 struct vb2_queue *dst_vq)
1138 {
1139 struct venus_inst *inst = priv;
1140 int ret;
1141
1142 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1143 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1144 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1145 src_vq->ops = &venc_vb2_ops;
1146 src_vq->mem_ops = &vb2_dma_contig_memops;
1147 src_vq->drv_priv = inst;
1148 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1149 src_vq->allow_zero_bytesused = 1;
1150 src_vq->min_buffers_needed = 1;
1151 src_vq->dev = inst->core->dev;
1152 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1153 src_vq->bidirectional = 1;
1154 ret = vb2_queue_init(src_vq);
1155 if (ret)
1156 return ret;
1157
1158 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1159 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1160 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1161 dst_vq->ops = &venc_vb2_ops;
1162 dst_vq->mem_ops = &vb2_dma_contig_memops;
1163 dst_vq->drv_priv = inst;
1164 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1165 dst_vq->allow_zero_bytesused = 1;
1166 dst_vq->min_buffers_needed = 1;
1167 dst_vq->dev = inst->core->dev;
1168 return vb2_queue_init(dst_vq);
1169 }
1170
venc_inst_init(struct venus_inst * inst)1171 static void venc_inst_init(struct venus_inst *inst)
1172 {
1173 inst->fmt_cap = &venc_formats[3];
1174 inst->fmt_out = &venc_formats[0];
1175 inst->width = 1280;
1176 inst->height = ALIGN(720, 32);
1177 inst->out_width = 1280;
1178 inst->out_height = 720;
1179 inst->fps = 15;
1180 inst->timeperframe.numerator = 1;
1181 inst->timeperframe.denominator = 15;
1182 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1183 }
1184
venc_open(struct file * file)1185 static int venc_open(struct file *file)
1186 {
1187 struct venus_core *core = video_drvdata(file);
1188 struct venus_inst *inst;
1189 int ret;
1190
1191 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1192 if (!inst)
1193 return -ENOMEM;
1194
1195 INIT_LIST_HEAD(&inst->dpbbufs);
1196 INIT_LIST_HEAD(&inst->registeredbufs);
1197 INIT_LIST_HEAD(&inst->internalbufs);
1198 INIT_LIST_HEAD(&inst->list);
1199 mutex_init(&inst->lock);
1200
1201 inst->core = core;
1202 inst->session_type = VIDC_SESSION_TYPE_ENC;
1203 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1204 inst->core_acquired = false;
1205
1206 venus_helper_init_instance(inst);
1207
1208 ret = pm_runtime_get_sync(core->dev_enc);
1209 if (ret < 0)
1210 goto err_put_sync;
1211
1212 ret = venc_ctrl_init(inst);
1213 if (ret)
1214 goto err_put_sync;
1215
1216 ret = hfi_session_create(inst, &venc_hfi_ops);
1217 if (ret)
1218 goto err_ctrl_deinit;
1219
1220 venc_inst_init(inst);
1221
1222 /*
1223 * create m2m device for every instance, the m2m context scheduling
1224 * is made by firmware side so we do not need to care about.
1225 */
1226 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1227 if (IS_ERR(inst->m2m_dev)) {
1228 ret = PTR_ERR(inst->m2m_dev);
1229 goto err_session_destroy;
1230 }
1231
1232 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1233 if (IS_ERR(inst->m2m_ctx)) {
1234 ret = PTR_ERR(inst->m2m_ctx);
1235 goto err_m2m_release;
1236 }
1237
1238 v4l2_fh_init(&inst->fh, core->vdev_enc);
1239
1240 inst->fh.ctrl_handler = &inst->ctrl_handler;
1241 v4l2_fh_add(&inst->fh);
1242 inst->fh.m2m_ctx = inst->m2m_ctx;
1243 file->private_data = &inst->fh;
1244
1245 return 0;
1246
1247 err_m2m_release:
1248 v4l2_m2m_release(inst->m2m_dev);
1249 err_session_destroy:
1250 hfi_session_destroy(inst);
1251 err_ctrl_deinit:
1252 venc_ctrl_deinit(inst);
1253 err_put_sync:
1254 pm_runtime_put_sync(core->dev_enc);
1255 kfree(inst);
1256 return ret;
1257 }
1258
venc_close(struct file * file)1259 static int venc_close(struct file *file)
1260 {
1261 struct venus_inst *inst = to_inst(file);
1262
1263 v4l2_m2m_ctx_release(inst->m2m_ctx);
1264 v4l2_m2m_release(inst->m2m_dev);
1265 venc_ctrl_deinit(inst);
1266 hfi_session_destroy(inst);
1267 mutex_destroy(&inst->lock);
1268 v4l2_fh_del(&inst->fh);
1269 v4l2_fh_exit(&inst->fh);
1270
1271 pm_runtime_put_sync(inst->core->dev_enc);
1272
1273 kfree(inst);
1274 return 0;
1275 }
1276
1277 static const struct v4l2_file_operations venc_fops = {
1278 .owner = THIS_MODULE,
1279 .open = venc_open,
1280 .release = venc_close,
1281 .unlocked_ioctl = video_ioctl2,
1282 .poll = v4l2_m2m_fop_poll,
1283 .mmap = v4l2_m2m_fop_mmap,
1284 };
1285
venc_probe(struct platform_device * pdev)1286 static int venc_probe(struct platform_device *pdev)
1287 {
1288 struct device *dev = &pdev->dev;
1289 struct video_device *vdev;
1290 struct venus_core *core;
1291 int ret;
1292
1293 if (!dev->parent)
1294 return -EPROBE_DEFER;
1295
1296 core = dev_get_drvdata(dev->parent);
1297 if (!core)
1298 return -EPROBE_DEFER;
1299
1300 platform_set_drvdata(pdev, core);
1301
1302 if (core->pm_ops->venc_get) {
1303 ret = core->pm_ops->venc_get(dev);
1304 if (ret)
1305 return ret;
1306 }
1307
1308 vdev = video_device_alloc();
1309 if (!vdev)
1310 return -ENOMEM;
1311
1312 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1313 vdev->release = video_device_release;
1314 vdev->fops = &venc_fops;
1315 vdev->ioctl_ops = &venc_ioctl_ops;
1316 vdev->vfl_dir = VFL_DIR_M2M;
1317 vdev->v4l2_dev = &core->v4l2_dev;
1318 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1319
1320 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1321 if (ret)
1322 goto err_vdev_release;
1323
1324 core->vdev_enc = vdev;
1325 core->dev_enc = dev;
1326
1327 video_set_drvdata(vdev, core);
1328 pm_runtime_enable(dev);
1329
1330 return 0;
1331
1332 err_vdev_release:
1333 video_device_release(vdev);
1334 return ret;
1335 }
1336
venc_remove(struct platform_device * pdev)1337 static int venc_remove(struct platform_device *pdev)
1338 {
1339 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1340
1341 video_unregister_device(core->vdev_enc);
1342 pm_runtime_disable(core->dev_enc);
1343
1344 if (core->pm_ops->venc_put)
1345 core->pm_ops->venc_put(core->dev_enc);
1346
1347 return 0;
1348 }
1349
venc_runtime_suspend(struct device * dev)1350 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1351 {
1352 struct venus_core *core = dev_get_drvdata(dev);
1353 const struct venus_pm_ops *pm_ops = core->pm_ops;
1354 int ret = 0;
1355
1356 if (pm_ops->venc_power)
1357 ret = pm_ops->venc_power(dev, POWER_OFF);
1358
1359 return ret;
1360 }
1361
venc_runtime_resume(struct device * dev)1362 static __maybe_unused int venc_runtime_resume(struct device *dev)
1363 {
1364 struct venus_core *core = dev_get_drvdata(dev);
1365 const struct venus_pm_ops *pm_ops = core->pm_ops;
1366 int ret = 0;
1367
1368 if (pm_ops->venc_power)
1369 ret = pm_ops->venc_power(dev, POWER_ON);
1370
1371 return ret;
1372 }
1373
1374 static const struct dev_pm_ops venc_pm_ops = {
1375 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1376 pm_runtime_force_resume)
1377 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1378 };
1379
1380 static const struct of_device_id venc_dt_match[] = {
1381 { .compatible = "venus-encoder" },
1382 { }
1383 };
1384 MODULE_DEVICE_TABLE(of, venc_dt_match);
1385
1386 static struct platform_driver qcom_venus_enc_driver = {
1387 .probe = venc_probe,
1388 .remove = venc_remove,
1389 .driver = {
1390 .name = "qcom-venus-encoder",
1391 .of_match_table = venc_dt_match,
1392 .pm = &venc_pm_ops,
1393 },
1394 };
1395 module_platform_driver(qcom_venus_enc_driver);
1396
1397 MODULE_ALIAS("platform:qcom-venus-encoder");
1398 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1399 MODULE_LICENSE("GPL v2");
1400