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 */
34static const struct venus_format venc_formats[] = {
35 [VENUS_FMT_NV12] = {
36 .pixfmt = V4L2_PIX_FMT_NV12,
37 .num_planes = 1,
38 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
39 },
40 [VENUS_FMT_H264] = {
41 .pixfmt = V4L2_PIX_FMT_H264,
42 .num_planes = 1,
43 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
44 },
45 [VENUS_FMT_VP8] = {
46 .pixfmt = V4L2_PIX_FMT_VP8,
47 .num_planes = 1,
48 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
49 },
50 [VENUS_FMT_HEVC] = {
51 .pixfmt = V4L2_PIX_FMT_HEVC,
52 .num_planes = 1,
53 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
54 },
55 [VENUS_FMT_MPEG4] = {
56 .pixfmt = V4L2_PIX_FMT_MPEG4,
57 .num_planes = 1,
58 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
59 },
60 [VENUS_FMT_H263] = {
61 .pixfmt = V4L2_PIX_FMT_H263,
62 .num_planes = 1,
63 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
64 },
65};
66
67static const struct venus_format *
68find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
69{
70 const struct venus_format *fmt = venc_formats;
71 unsigned int size = ARRAY_SIZE(venc_formats);
72 unsigned int i;
73
74 for (i = 0; i < size; i++) {
75 if (fmt[i].pixfmt == pixfmt)
76 break;
77 }
78
79 if (i == size || fmt[i].type != type)
80 return NULL;
81
82 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
83 !venus_helper_check_codec(inst, v4l2_pixfmt: fmt[i].pixfmt))
84 return NULL;
85
86 return &fmt[i];
87}
88
89static const struct venus_format *
90find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
91{
92 const struct venus_format *fmt = venc_formats;
93 unsigned int size = ARRAY_SIZE(venc_formats);
94 unsigned int i, k = 0;
95
96 if (index > size)
97 return NULL;
98
99 for (i = 0; i < size; i++) {
100 bool valid;
101
102 if (fmt[i].type != type)
103 continue;
104 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
105 venus_helper_check_codec(inst, v4l2_pixfmt: fmt[i].pixfmt);
106 if (k == index && valid)
107 break;
108 if (valid)
109 k++;
110 }
111
112 if (i == size)
113 return NULL;
114
115 return &fmt[i];
116}
117
118static int venc_v4l2_to_hfi(int id, int value)
119{
120 switch (id) {
121 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
122 switch (value) {
123 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
124 default:
125 return HFI_H264_ENTROPY_CAVLC;
126 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
127 return HFI_H264_ENTROPY_CABAC;
128 }
129 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
130 switch (value) {
131 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
132 default:
133 return HFI_H264_DB_MODE_ALL_BOUNDARY;
134 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
135 return HFI_H264_DB_MODE_DISABLE;
136 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
137 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
138 }
139 }
140
141 return 0;
142}
143
144static int
145venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
146{
147 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
148 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
149 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
150
151 return 0;
152}
153
154static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
155{
156 struct venus_inst *inst = to_inst(filp: file);
157 const struct venus_format *fmt;
158
159 fmt = find_format_by_index(inst, index: f->index, type: f->type);
160
161 memset(f->reserved, 0, sizeof(f->reserved));
162
163 if (!fmt)
164 return -EINVAL;
165
166 f->pixelformat = fmt->pixfmt;
167
168 return 0;
169}
170
171static const struct venus_format *
172venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
173{
174 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
175 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
176 const struct venus_format *fmt;
177 u32 sizeimage;
178
179 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
180 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
181
182 fmt = find_format(inst, pixfmt: pixmp->pixelformat, type: f->type);
183 if (!fmt) {
184 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
185 pixmp->pixelformat = V4L2_PIX_FMT_H264;
186 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
187 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
188 else
189 return NULL;
190 fmt = find_format(inst, pixfmt: pixmp->pixelformat, type: f->type);
191 if (!fmt)
192 return NULL;
193 }
194
195 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
196 frame_width_max(inst));
197 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
198 frame_height_max(inst));
199
200 pixmp->width = ALIGN(pixmp->width, 128);
201 pixmp->height = ALIGN(pixmp->height, 32);
202
203 pixmp->width = ALIGN(pixmp->width, 2);
204 pixmp->height = ALIGN(pixmp->height, 2);
205
206 if (pixmp->field == V4L2_FIELD_ANY)
207 pixmp->field = V4L2_FIELD_NONE;
208 pixmp->num_planes = fmt->num_planes;
209 pixmp->flags = 0;
210
211 sizeimage = venus_helper_get_framesz(v4l2_fmt: pixmp->pixelformat,
212 width: pixmp->width,
213 height: pixmp->height);
214 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
215
216 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
217 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
218 else
219 pfmt[0].bytesperline = 0;
220
221 return fmt;
222}
223
224static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
225{
226 struct venus_inst *inst = to_inst(filp: file);
227
228 venc_try_fmt_common(inst, f);
229
230 return 0;
231}
232
233static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
234{
235 struct venus_inst *inst = to_inst(filp: file);
236 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
237 struct v4l2_pix_format_mplane orig_pixmp;
238 const struct venus_format *fmt;
239 struct v4l2_format format;
240 u32 pixfmt_out = 0, pixfmt_cap = 0;
241 struct vb2_queue *q;
242
243 q = v4l2_m2m_get_vq(m2m_ctx: inst->m2m_ctx, type: f->type);
244
245 if (vb2_is_busy(q))
246 return -EBUSY;
247
248 orig_pixmp = *pixmp;
249
250 fmt = venc_try_fmt_common(inst, f);
251 if (!fmt)
252 return -EINVAL;
253
254 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
255 pixfmt_out = pixmp->pixelformat;
256 pixfmt_cap = inst->fmt_cap->pixfmt;
257 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
258 pixfmt_cap = pixmp->pixelformat;
259 pixfmt_out = inst->fmt_out->pixfmt;
260 }
261
262 memset(&format, 0, sizeof(format));
263
264 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
265 format.fmt.pix_mp.pixelformat = pixfmt_out;
266 format.fmt.pix_mp.width = orig_pixmp.width;
267 format.fmt.pix_mp.height = orig_pixmp.height;
268 venc_try_fmt_common(inst, f: &format);
269
270 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
271 inst->out_width = format.fmt.pix_mp.width;
272 inst->out_height = format.fmt.pix_mp.height;
273 inst->colorspace = pixmp->colorspace;
274 inst->ycbcr_enc = pixmp->ycbcr_enc;
275 inst->quantization = pixmp->quantization;
276 inst->xfer_func = pixmp->xfer_func;
277 }
278
279 memset(&format, 0, sizeof(format));
280
281 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
282 format.fmt.pix_mp.pixelformat = pixfmt_cap;
283 format.fmt.pix_mp.width = orig_pixmp.width;
284 format.fmt.pix_mp.height = orig_pixmp.height;
285 venc_try_fmt_common(inst, f: &format);
286
287 inst->width = format.fmt.pix_mp.width;
288 inst->height = format.fmt.pix_mp.height;
289
290 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
291 inst->fmt_out = fmt;
292 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
293 inst->fmt_cap = fmt;
294 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
295 }
296
297 return 0;
298}
299
300static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
301{
302 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
303 struct venus_inst *inst = to_inst(filp: file);
304 const struct venus_format *fmt;
305
306 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
307 fmt = inst->fmt_cap;
308 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
309 fmt = inst->fmt_out;
310 else
311 return -EINVAL;
312
313 pixmp->pixelformat = fmt->pixfmt;
314
315 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
316 pixmp->width = inst->width;
317 pixmp->height = inst->height;
318 pixmp->colorspace = inst->colorspace;
319 pixmp->ycbcr_enc = inst->ycbcr_enc;
320 pixmp->quantization = inst->quantization;
321 pixmp->xfer_func = inst->xfer_func;
322 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
323 pixmp->width = inst->out_width;
324 pixmp->height = inst->out_height;
325 }
326
327 venc_try_fmt_common(inst, f);
328
329 return 0;
330}
331
332static int
333venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
334{
335 struct venus_inst *inst = to_inst(filp: file);
336
337 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
338 return -EINVAL;
339
340 switch (s->target) {
341 case V4L2_SEL_TGT_CROP_DEFAULT:
342 case V4L2_SEL_TGT_CROP_BOUNDS:
343 s->r.width = inst->out_width;
344 s->r.height = inst->out_height;
345 break;
346 case V4L2_SEL_TGT_CROP:
347 s->r.width = inst->width;
348 s->r.height = inst->height;
349 break;
350 default:
351 return -EINVAL;
352 }
353
354 s->r.top = 0;
355 s->r.left = 0;
356
357 return 0;
358}
359
360static int
361venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
362{
363 struct venus_inst *inst = to_inst(filp: file);
364
365 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
366 return -EINVAL;
367
368 if (s->r.width > inst->out_width ||
369 s->r.height > inst->out_height)
370 return -EINVAL;
371
372 s->r.width = ALIGN(s->r.width, 2);
373 s->r.height = ALIGN(s->r.height, 2);
374
375 switch (s->target) {
376 case V4L2_SEL_TGT_CROP:
377 s->r.top = 0;
378 s->r.left = 0;
379 inst->width = s->r.width;
380 inst->height = s->r.height;
381 break;
382 default:
383 return -EINVAL;
384 }
385
386 return 0;
387}
388
389static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
390{
391 struct venus_inst *inst = to_inst(filp: file);
392 struct v4l2_outputparm *out = &a->parm.output;
393 struct v4l2_fract *timeperframe = &out->timeperframe;
394 u64 us_per_frame, fps;
395
396 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
397 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
398 return -EINVAL;
399
400 memset(out->reserved, 0, sizeof(out->reserved));
401
402 if (!timeperframe->denominator)
403 timeperframe->denominator = inst->timeperframe.denominator;
404 if (!timeperframe->numerator)
405 timeperframe->numerator = inst->timeperframe.numerator;
406
407 out->capability = V4L2_CAP_TIMEPERFRAME;
408
409 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
410 do_div(us_per_frame, timeperframe->denominator);
411
412 us_per_frame = clamp(us_per_frame, 1, USEC_PER_SEC);
413 fps = USEC_PER_SEC / (u32)us_per_frame;
414 fps = min(VENUS_MAX_FPS, fps);
415
416 inst->timeperframe = *timeperframe;
417 inst->fps = fps;
418
419 return 0;
420}
421
422static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
423{
424 struct venus_inst *inst = to_inst(filp: file);
425
426 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
427 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
428 return -EINVAL;
429
430 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
431 a->parm.output.timeperframe = inst->timeperframe;
432
433 return 0;
434}
435
436static int venc_enum_framesizes(struct file *file, void *fh,
437 struct v4l2_frmsizeenum *fsize)
438{
439 struct venus_inst *inst = to_inst(filp: file);
440 const struct venus_format *fmt;
441
442 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
443
444 fmt = find_format(inst, pixfmt: fsize->pixel_format,
445 type: V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
446 if (!fmt) {
447 fmt = find_format(inst, pixfmt: fsize->pixel_format,
448 type: V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
449 if (!fmt)
450 return -EINVAL;
451 }
452
453 if (fsize->index)
454 return -EINVAL;
455
456 fsize->stepwise.min_width = frame_width_min(inst);
457 fsize->stepwise.max_width = frame_width_max(inst);
458 fsize->stepwise.step_width = frame_width_step(inst);
459 fsize->stepwise.min_height = frame_height_min(inst);
460 fsize->stepwise.max_height = frame_height_max(inst);
461 fsize->stepwise.step_height = frame_height_step(inst);
462
463 return 0;
464}
465
466static int venc_enum_frameintervals(struct file *file, void *fh,
467 struct v4l2_frmivalenum *fival)
468{
469 struct venus_inst *inst = to_inst(filp: file);
470 const struct venus_format *fmt;
471 unsigned int framerate_factor = 1;
472
473 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
474
475 fmt = find_format(inst, pixfmt: fival->pixel_format,
476 type: V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
477 if (!fmt) {
478 fmt = find_format(inst, pixfmt: fival->pixel_format,
479 type: V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
480 if (!fmt)
481 return -EINVAL;
482 }
483
484 if (fival->index)
485 return -EINVAL;
486
487 if (!fival->width || !fival->height)
488 return -EINVAL;
489
490 if (fival->width > frame_width_max(inst) ||
491 fival->width < frame_width_min(inst) ||
492 fival->height > frame_height_max(inst) ||
493 fival->height < frame_height_min(inst))
494 return -EINVAL;
495
496 if (IS_V1(inst->core)) {
497 /* framerate is reported in 1/65535 fps unit */
498 framerate_factor = (1 << 16);
499 }
500
501 fival->stepwise.min.numerator = 1;
502 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
503 fival->stepwise.max.numerator = 1;
504 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
505 fival->stepwise.step.numerator = 1;
506 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
507
508 return 0;
509}
510
511static int venc_subscribe_event(struct v4l2_fh *fh,
512 const struct v4l2_event_subscription *sub)
513{
514 switch (sub->type) {
515 case V4L2_EVENT_EOS:
516 return v4l2_event_subscribe(fh, sub, elems: 2, NULL);
517 case V4L2_EVENT_CTRL:
518 return v4l2_ctrl_subscribe_event(fh, sub);
519 default:
520 return -EINVAL;
521 }
522}
523
524static int
525venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
526{
527 struct venus_inst *inst = to_inst(filp: file);
528 struct hfi_frame_data fdata = {0};
529 int ret = 0;
530
531 ret = v4l2_m2m_ioctl_try_encoder_cmd(file, priv: fh, ec: cmd);
532 if (ret)
533 return ret;
534
535 mutex_lock(&inst->lock);
536
537 if (cmd->cmd == V4L2_ENC_CMD_STOP &&
538 inst->enc_state == VENUS_ENC_STATE_ENCODING) {
539 /*
540 * Implement V4L2_ENC_CMD_STOP by enqueue an empty buffer on
541 * encoder input to signal EOS.
542 */
543 if (!(inst->streamon_out && inst->streamon_cap))
544 goto unlock;
545
546 fdata.buffer_type = HFI_BUFFER_INPUT;
547 fdata.flags |= HFI_BUFFERFLAG_EOS;
548 fdata.device_addr = 0xdeadb000;
549
550 ret = hfi_session_process_buf(inst, f: &fdata);
551
552 inst->enc_state = VENUS_ENC_STATE_DRAIN;
553 } else if (cmd->cmd == V4L2_ENC_CMD_START) {
554 if (inst->enc_state == VENUS_ENC_STATE_DRAIN) {
555 ret = -EBUSY;
556 goto unlock;
557 }
558 if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
559 vb2_clear_last_buffer_dequeued(q: &inst->fh.m2m_ctx->cap_q_ctx.q);
560 inst->enc_state = VENUS_ENC_STATE_ENCODING;
561 }
562 }
563
564unlock:
565 mutex_unlock(lock: &inst->lock);
566 return ret;
567}
568
569static const struct v4l2_ioctl_ops venc_ioctl_ops = {
570 .vidioc_querycap = venc_querycap,
571 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
572 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
573 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
574 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
575 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
576 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
577 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
578 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
579 .vidioc_g_selection = venc_g_selection,
580 .vidioc_s_selection = venc_s_selection,
581 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
582 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
583 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
584 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
585 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
586 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
587 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
588 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
589 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
590 .vidioc_s_parm = venc_s_parm,
591 .vidioc_g_parm = venc_g_parm,
592 .vidioc_enum_framesizes = venc_enum_framesizes,
593 .vidioc_enum_frameintervals = venc_enum_frameintervals,
594 .vidioc_subscribe_event = venc_subscribe_event,
595 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
596 .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
597 .vidioc_encoder_cmd = venc_encoder_cmd,
598};
599
600static int venc_pm_get(struct venus_inst *inst)
601{
602 struct venus_core *core = inst->core;
603 struct device *dev = core->dev_enc;
604 int ret;
605
606 mutex_lock(&core->pm_lock);
607 ret = pm_runtime_resume_and_get(dev);
608 mutex_unlock(lock: &core->pm_lock);
609
610 return ret < 0 ? ret : 0;
611}
612
613static int venc_pm_put(struct venus_inst *inst, bool autosuspend)
614{
615 struct venus_core *core = inst->core;
616 struct device *dev = core->dev_enc;
617 int ret;
618
619 mutex_lock(&core->pm_lock);
620
621 if (autosuspend)
622 ret = pm_runtime_put_autosuspend(dev);
623 else
624 ret = pm_runtime_put_sync(dev);
625
626 mutex_unlock(lock: &core->pm_lock);
627
628 return ret < 0 ? ret : 0;
629}
630
631static int venc_pm_get_put(struct venus_inst *inst)
632{
633 struct venus_core *core = inst->core;
634 struct device *dev = core->dev_enc;
635 int ret = 0;
636
637 mutex_lock(&core->pm_lock);
638
639 if (pm_runtime_suspended(dev)) {
640 ret = pm_runtime_resume_and_get(dev);
641 if (ret < 0)
642 goto error;
643
644 ret = pm_runtime_put_autosuspend(dev);
645 }
646
647error:
648 mutex_unlock(lock: &core->pm_lock);
649
650 return ret < 0 ? ret : 0;
651}
652
653static void venc_pm_touch(struct venus_inst *inst)
654{
655 pm_runtime_mark_last_busy(dev: inst->core->dev_enc);
656}
657
658static int venc_set_properties(struct venus_inst *inst)
659{
660 struct venc_controls *ctr = &inst->controls.enc;
661 struct hfi_intra_period intra_period;
662 struct hfi_framerate frate;
663 struct hfi_bitrate brate;
664 struct hfi_idr_period idrp;
665 struct hfi_quantization quant;
666 struct hfi_quantization_range quant_range;
667 struct hfi_quantization_range_v2 quant_range_v2;
668 struct hfi_enable en;
669 struct hfi_ltr_mode ltr_mode;
670 struct hfi_intra_refresh intra_refresh = {};
671 u32 ptype, rate_control, bitrate;
672 u32 profile, level;
673 int ret;
674
675 ret = venus_helper_set_work_mode(inst);
676 if (ret)
677 return ret;
678
679 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
680 frate.buffer_type = HFI_BUFFER_OUTPUT;
681 frate.framerate = inst->fps * (1 << 16);
682
683 ret = hfi_session_set_property(inst, ptype, pdata: &frate);
684 if (ret)
685 return ret;
686
687 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
688 struct hfi_h264_vui_timing_info info;
689 struct hfi_h264_entropy_control entropy;
690 struct hfi_h264_db_control deblock;
691 struct hfi_h264_8x8_transform h264_transform;
692
693 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
694 info.enable = 1;
695 info.fixed_framerate = 1;
696 info.time_scale = NSEC_PER_SEC;
697
698 ret = hfi_session_set_property(inst, ptype, pdata: &info);
699 if (ret)
700 return ret;
701
702 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
703 entropy.entropy_mode = venc_v4l2_to_hfi(
704 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
705 value: ctr->h264_entropy_mode);
706 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
707
708 ret = hfi_session_set_property(inst, ptype, pdata: &entropy);
709 if (ret)
710 return ret;
711
712 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
713 deblock.mode = venc_v4l2_to_hfi(
714 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
715 value: ctr->h264_loop_filter_mode);
716 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
717 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
718
719 ret = hfi_session_set_property(inst, ptype, pdata: &deblock);
720 if (ret)
721 return ret;
722
723 ptype = HFI_PROPERTY_PARAM_VENC_H264_TRANSFORM_8X8;
724 h264_transform.enable_type = 0;
725 if (ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_HIGH ||
726 ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH)
727 h264_transform.enable_type = ctr->h264_8x8_transform;
728
729 ret = hfi_session_set_property(inst, ptype, pdata: &h264_transform);
730 if (ret)
731 return ret;
732
733 if (ctr->layer_bitrate) {
734 unsigned int i;
735
736 ptype = HFI_PROPERTY_PARAM_VENC_HIER_P_MAX_NUM_ENH_LAYER;
737 ret = hfi_session_set_property(inst, ptype, pdata: &ctr->h264_hier_layers);
738 if (ret)
739 return ret;
740
741 ptype = HFI_PROPERTY_CONFIG_VENC_HIER_P_ENH_LAYER;
742 ret = hfi_session_set_property(inst, ptype, pdata: &ctr->layer_bitrate);
743 if (ret)
744 return ret;
745
746 for (i = 0; i < ctr->h264_hier_layers; ++i) {
747 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
748 brate.bitrate = ctr->h264_hier_layer_bitrate[i];
749 brate.layer_id = i;
750
751 ret = hfi_session_set_property(inst, ptype, pdata: &brate);
752 if (ret)
753 return ret;
754 }
755 }
756 }
757
758 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
759 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
760 /* IDR periodicity, n:
761 * n = 0 - only the first I-frame is IDR frame
762 * n = 1 - all I-frames will be IDR frames
763 * n > 1 - every n-th I-frame will be IDR frame
764 */
765 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
766 idrp.idr_period = 0;
767 ret = hfi_session_set_property(inst, ptype, pdata: &idrp);
768 if (ret)
769 return ret;
770 }
771
772 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC &&
773 ctr->profile.hevc == V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10) {
774 struct hfi_hdr10_pq_sei hdr10;
775 unsigned int c;
776
777 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI;
778
779 for (c = 0; c < 3; c++) {
780 hdr10.mastering.display_primaries_x[c] =
781 ctr->mastering.display_primaries_x[c];
782 hdr10.mastering.display_primaries_y[c] =
783 ctr->mastering.display_primaries_y[c];
784 }
785
786 hdr10.mastering.white_point_x = ctr->mastering.white_point_x;
787 hdr10.mastering.white_point_y = ctr->mastering.white_point_y;
788 hdr10.mastering.max_display_mastering_luminance =
789 ctr->mastering.max_display_mastering_luminance;
790 hdr10.mastering.min_display_mastering_luminance =
791 ctr->mastering.min_display_mastering_luminance;
792
793 hdr10.cll.max_content_light = ctr->cll.max_content_light_level;
794 hdr10.cll.max_pic_average_light =
795 ctr->cll.max_pic_average_light_level;
796
797 ret = hfi_session_set_property(inst, ptype, pdata: &hdr10);
798 if (ret)
799 return ret;
800 }
801
802 if (ctr->num_b_frames) {
803 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
804
805 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
806 ret = hfi_session_set_property(inst, ptype, pdata: &max_num_b_frames);
807 if (ret)
808 return ret;
809 }
810
811 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
812 intra_period.pframes = ctr->num_p_frames;
813 intra_period.bframes = ctr->num_b_frames;
814
815 ret = hfi_session_set_property(inst, ptype, pdata: &intra_period);
816 if (ret)
817 return ret;
818
819 if (!ctr->rc_enable)
820 rate_control = HFI_RATE_CONTROL_OFF;
821 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
822 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
823 HFI_RATE_CONTROL_VBR_CFR;
824 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
825 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
826 HFI_RATE_CONTROL_CBR_CFR;
827 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
828 rate_control = HFI_RATE_CONTROL_CQ;
829
830 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
831 ret = hfi_session_set_property(inst, ptype, pdata: &rate_control);
832 if (ret)
833 return ret;
834
835 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
836 struct hfi_heic_frame_quality quality = {};
837
838 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
839 quality.frame_quality = ctr->const_quality;
840 ret = hfi_session_set_property(inst, ptype, pdata: &quality);
841 if (ret)
842 return ret;
843 }
844
845 if (!ctr->layer_bitrate) {
846 if (!ctr->bitrate)
847 bitrate = 64000;
848 else
849 bitrate = ctr->bitrate;
850
851 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
852 brate.bitrate = bitrate;
853 brate.layer_id = 0;
854
855 ret = hfi_session_set_property(inst, ptype, pdata: &brate);
856 if (ret)
857 return ret;
858
859 if (!ctr->bitrate_peak)
860 bitrate *= 2;
861 else
862 bitrate = ctr->bitrate_peak;
863
864 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
865 brate.bitrate = bitrate;
866 brate.layer_id = 0;
867
868 ret = hfi_session_set_property(inst, ptype, pdata: &brate);
869 if (ret)
870 return ret;
871 }
872
873 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
874 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
875 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
876 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
877 en.enable = 0;
878 else
879 en.enable = 1;
880
881 ret = hfi_session_set_property(inst, ptype, pdata: &en);
882 if (ret)
883 return ret;
884 }
885
886 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
887 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
888 quant.qp_i = ctr->hevc_i_qp;
889 quant.qp_p = ctr->hevc_p_qp;
890 quant.qp_b = ctr->hevc_b_qp;
891 } else {
892 quant.qp_i = ctr->h264_i_qp;
893 quant.qp_p = ctr->h264_p_qp;
894 quant.qp_b = ctr->h264_b_qp;
895 }
896 quant.layer_id = 0;
897 ret = hfi_session_set_property(inst, ptype, pdata: &quant);
898 if (ret)
899 return ret;
900
901 if (inst->core->res->hfi_version == HFI_VERSION_4XX ||
902 inst->core->res->hfi_version == HFI_VERSION_6XX) {
903 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2;
904
905 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
906 quant_range_v2.min_qp.qp_packed = ctr->hevc_min_qp;
907 quant_range_v2.max_qp.qp_packed = ctr->hevc_max_qp;
908 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
909 quant_range_v2.min_qp.qp_packed = ctr->vp8_min_qp;
910 quant_range_v2.max_qp.qp_packed = ctr->vp8_max_qp;
911 } else {
912 quant_range_v2.min_qp.qp_packed = ctr->h264_min_qp;
913 quant_range_v2.max_qp.qp_packed = ctr->h264_max_qp;
914 }
915
916 ret = hfi_session_set_property(inst, ptype, pdata: &quant_range_v2);
917 } else {
918 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
919
920 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
921 quant_range.min_qp = ctr->hevc_min_qp;
922 quant_range.max_qp = ctr->hevc_max_qp;
923 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
924 quant_range.min_qp = ctr->vp8_min_qp;
925 quant_range.max_qp = ctr->vp8_max_qp;
926 } else {
927 quant_range.min_qp = ctr->h264_min_qp;
928 quant_range.max_qp = ctr->h264_max_qp;
929 }
930
931 quant_range.layer_id = 0;
932 ret = hfi_session_set_property(inst, ptype, pdata: &quant_range);
933 }
934
935 if (ret)
936 return ret;
937
938 ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE;
939 ltr_mode.ltr_count = ctr->ltr_count;
940 ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL;
941 ltr_mode.trust_mode = 1;
942 ret = hfi_session_set_property(inst, ptype, pdata: &ltr_mode);
943 if (ret)
944 return ret;
945
946 switch (inst->hfi_codec) {
947 case HFI_VIDEO_CODEC_H264:
948 profile = ctr->profile.h264;
949 level = ctr->level.h264;
950 break;
951 case HFI_VIDEO_CODEC_MPEG4:
952 profile = ctr->profile.mpeg4;
953 level = ctr->level.mpeg4;
954 break;
955 case HFI_VIDEO_CODEC_VP8:
956 profile = ctr->profile.vp8;
957 level = 0;
958 break;
959 case HFI_VIDEO_CODEC_VP9:
960 profile = ctr->profile.vp9;
961 level = ctr->level.vp9;
962 break;
963 case HFI_VIDEO_CODEC_HEVC:
964 profile = ctr->profile.hevc;
965 level = ctr->level.hevc;
966 break;
967 case HFI_VIDEO_CODEC_MPEG2:
968 default:
969 profile = 0;
970 level = 0;
971 break;
972 }
973
974 ret = venus_helper_set_profile_level(inst, profile, level);
975 if (ret)
976 return ret;
977
978 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
979 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
980 struct hfi_enable en = {};
981
982 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
983
984 if (ctr->aud_enable)
985 en.enable = 1;
986
987 ret = hfi_session_set_property(inst, ptype, pdata: &en);
988 }
989
990 if ((inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
991 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) &&
992 (rate_control == HFI_RATE_CONTROL_CBR_VFR ||
993 rate_control == HFI_RATE_CONTROL_CBR_CFR)) {
994 intra_refresh.mode = HFI_INTRA_REFRESH_NONE;
995 intra_refresh.cir_mbs = 0;
996
997 if (ctr->intra_refresh_period) {
998 u32 mbs;
999
1000 mbs = ALIGN(inst->width, 16) * ALIGN(inst->height, 16);
1001 mbs /= 16 * 16;
1002 if (mbs % ctr->intra_refresh_period)
1003 mbs++;
1004 mbs /= ctr->intra_refresh_period;
1005
1006 intra_refresh.cir_mbs = mbs;
1007 if (ctr->intra_refresh_type ==
1008 V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC)
1009 intra_refresh.mode = HFI_INTRA_REFRESH_CYCLIC;
1010 else
1011 intra_refresh.mode = HFI_INTRA_REFRESH_RANDOM;
1012 }
1013
1014 ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH;
1015
1016 ret = hfi_session_set_property(inst, ptype, pdata: &intra_refresh);
1017 if (ret)
1018 return ret;
1019 }
1020
1021 return 0;
1022}
1023
1024static int venc_init_session(struct venus_inst *inst)
1025{
1026 int ret;
1027
1028 ret = venus_helper_session_init(inst);
1029 if (ret == -EALREADY)
1030 return 0;
1031 else if (ret)
1032 return ret;
1033
1034 ret = venus_helper_set_stride(inst, aligned_width: inst->out_width,
1035 aligned_height: inst->out_height);
1036 if (ret)
1037 goto deinit;
1038
1039 ret = venus_helper_set_input_resolution(inst, width: inst->width,
1040 height: inst->height);
1041 if (ret)
1042 goto deinit;
1043
1044 ret = venus_helper_set_output_resolution(inst, width: inst->width,
1045 height: inst->height,
1046 HFI_BUFFER_OUTPUT);
1047 if (ret)
1048 goto deinit;
1049
1050 ret = venus_helper_set_color_format(inst, fmt: inst->fmt_out->pixfmt);
1051 if (ret)
1052 goto deinit;
1053
1054 ret = venc_set_properties(inst);
1055 if (ret)
1056 goto deinit;
1057
1058 return 0;
1059deinit:
1060 hfi_session_deinit(inst);
1061 return ret;
1062}
1063
1064static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
1065{
1066 struct hfi_buffer_requirements bufreq;
1067 int ret;
1068
1069 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, req: &bufreq);
1070 if (ret)
1071 return ret;
1072
1073 *num = bufreq.count_actual;
1074
1075 return 0;
1076}
1077
1078static int venc_queue_setup(struct vb2_queue *q,
1079 unsigned int *num_buffers, unsigned int *num_planes,
1080 unsigned int sizes[], struct device *alloc_devs[])
1081{
1082 struct venus_inst *inst = vb2_get_drv_priv(q);
1083 struct venus_core *core = inst->core;
1084 unsigned int num, min = 4;
1085 int ret;
1086
1087 if (*num_planes) {
1088 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1089 *num_planes != inst->fmt_out->num_planes)
1090 return -EINVAL;
1091
1092 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1093 *num_planes != inst->fmt_cap->num_planes)
1094 return -EINVAL;
1095
1096 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1097 sizes[0] < inst->input_buf_size)
1098 return -EINVAL;
1099
1100 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1101 sizes[0] < inst->output_buf_size)
1102 return -EINVAL;
1103
1104 return 0;
1105 }
1106
1107 if (test_bit(0, &core->sys_error)) {
1108 if (inst->nonblock)
1109 return -EAGAIN;
1110
1111 ret = wait_event_interruptible(core->sys_err_done,
1112 !test_bit(0, &core->sys_error));
1113 if (ret)
1114 return ret;
1115 }
1116
1117 ret = venc_pm_get(inst);
1118 if (ret)
1119 return ret;
1120
1121 mutex_lock(&inst->lock);
1122 ret = venc_init_session(inst);
1123 mutex_unlock(lock: &inst->lock);
1124
1125 if (ret)
1126 goto put_power;
1127
1128 ret = venc_pm_put(inst, autosuspend: false);
1129 if (ret)
1130 return ret;
1131
1132 switch (q->type) {
1133 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
1134 *num_planes = inst->fmt_out->num_planes;
1135
1136 ret = venc_out_num_buffers(inst, num: &num);
1137 if (ret)
1138 break;
1139
1140 num = max(num, min);
1141 *num_buffers = max(*num_buffers, num);
1142 inst->num_input_bufs = *num_buffers;
1143
1144 sizes[0] = venus_helper_get_framesz(v4l2_fmt: inst->fmt_out->pixfmt,
1145 width: inst->out_width,
1146 height: inst->out_height);
1147 inst->input_buf_size = sizes[0];
1148 break;
1149 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
1150 *num_planes = inst->fmt_cap->num_planes;
1151 *num_buffers = max(*num_buffers, min);
1152 inst->num_output_bufs = *num_buffers;
1153 sizes[0] = venus_helper_get_framesz(v4l2_fmt: inst->fmt_cap->pixfmt,
1154 width: inst->width,
1155 height: inst->height);
1156 sizes[0] = max(sizes[0], inst->output_buf_size);
1157 inst->output_buf_size = sizes[0];
1158 break;
1159 default:
1160 ret = -EINVAL;
1161 break;
1162 }
1163
1164 return ret;
1165put_power:
1166 venc_pm_put(inst, autosuspend: false);
1167 return ret;
1168}
1169
1170static int venc_buf_init(struct vb2_buffer *vb)
1171{
1172 struct venus_inst *inst = vb2_get_drv_priv(q: vb->vb2_queue);
1173
1174 inst->buf_count++;
1175
1176 return venus_helper_vb2_buf_init(vb);
1177}
1178
1179static void venc_release_session(struct venus_inst *inst)
1180{
1181 int ret;
1182
1183 venc_pm_get(inst);
1184
1185 mutex_lock(&inst->lock);
1186
1187 ret = hfi_session_deinit(inst);
1188 if (ret || inst->session_error)
1189 hfi_session_abort(inst);
1190
1191 mutex_unlock(lock: &inst->lock);
1192
1193 venus_pm_load_scale(inst);
1194 INIT_LIST_HEAD(list: &inst->registeredbufs);
1195 venus_pm_release_core(inst);
1196
1197 venc_pm_put(inst, autosuspend: false);
1198}
1199
1200static void venc_buf_cleanup(struct vb2_buffer *vb)
1201{
1202 struct venus_inst *inst = vb2_get_drv_priv(q: vb->vb2_queue);
1203 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1204 struct venus_buffer *buf = to_venus_buffer(vbuf);
1205
1206 mutex_lock(&inst->lock);
1207 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1208 if (!list_empty(head: &inst->registeredbufs))
1209 list_del_init(entry: &buf->reg_list);
1210 mutex_unlock(lock: &inst->lock);
1211
1212 inst->buf_count--;
1213 if (!inst->buf_count)
1214 venc_release_session(inst);
1215}
1216
1217static int venc_verify_conf(struct venus_inst *inst)
1218{
1219 enum hfi_version ver = inst->core->res->hfi_version;
1220 struct hfi_buffer_requirements bufreq;
1221 int ret;
1222
1223 if (!inst->num_input_bufs || !inst->num_output_bufs)
1224 return -EINVAL;
1225
1226 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, req: &bufreq);
1227 if (ret)
1228 return ret;
1229
1230 if (inst->num_output_bufs < bufreq.count_actual ||
1231 inst->num_output_bufs < hfi_bufreq_get_count_min(req: &bufreq, ver))
1232 return -EINVAL;
1233
1234 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, req: &bufreq);
1235 if (ret)
1236 return ret;
1237
1238 if (inst->num_input_bufs < bufreq.count_actual ||
1239 inst->num_input_bufs < hfi_bufreq_get_count_min(req: &bufreq, ver))
1240 return -EINVAL;
1241
1242 return 0;
1243}
1244
1245static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
1246{
1247 struct venus_inst *inst = vb2_get_drv_priv(q);
1248 int ret;
1249
1250 mutex_lock(&inst->lock);
1251
1252 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1253 inst->streamon_out = 1;
1254 else
1255 inst->streamon_cap = 1;
1256
1257 if (!(inst->streamon_out & inst->streamon_cap)) {
1258 mutex_unlock(lock: &inst->lock);
1259 return 0;
1260 }
1261
1262 venus_helper_init_instance(inst);
1263
1264 inst->sequence_cap = 0;
1265 inst->sequence_out = 0;
1266
1267 ret = venc_pm_get(inst);
1268 if (ret)
1269 goto error;
1270
1271 ret = venus_pm_acquire_core(inst);
1272 if (ret)
1273 goto put_power;
1274
1275 ret = venc_pm_put(inst, autosuspend: true);
1276 if (ret)
1277 goto error;
1278
1279 ret = venc_set_properties(inst);
1280 if (ret)
1281 goto error;
1282
1283 ret = venc_verify_conf(inst);
1284 if (ret)
1285 goto error;
1286
1287 ret = venus_helper_set_num_bufs(inst, input_bufs: inst->num_input_bufs,
1288 output_bufs: inst->num_output_bufs, output2_bufs: 0);
1289 if (ret)
1290 goto error;
1291
1292 ret = venus_helper_vb2_start_streaming(inst);
1293 if (ret)
1294 goto error;
1295
1296 inst->enc_state = VENUS_ENC_STATE_ENCODING;
1297
1298 mutex_unlock(lock: &inst->lock);
1299
1300 return 0;
1301
1302put_power:
1303 venc_pm_put(inst, autosuspend: false);
1304error:
1305 venus_helper_buffers_done(inst, type: q->type, state: VB2_BUF_STATE_QUEUED);
1306 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1307 inst->streamon_out = 0;
1308 else
1309 inst->streamon_cap = 0;
1310 mutex_unlock(lock: &inst->lock);
1311 return ret;
1312}
1313
1314static void venc_vb2_buf_queue(struct vb2_buffer *vb)
1315{
1316 struct venus_inst *inst = vb2_get_drv_priv(q: vb->vb2_queue);
1317 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1318
1319 venc_pm_get_put(inst);
1320
1321 mutex_lock(&inst->lock);
1322
1323 if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
1324 vbuf->sequence = inst->sequence_cap++;
1325 vbuf->field = V4L2_FIELD_NONE;
1326 vb2_set_plane_payload(vb, plane_no: 0, size: 0);
1327 v4l2_m2m_buf_done(buf: vbuf, state: VB2_BUF_STATE_DONE);
1328 mutex_unlock(lock: &inst->lock);
1329 return;
1330 }
1331
1332 venus_helper_vb2_buf_queue(vb);
1333 mutex_unlock(lock: &inst->lock);
1334}
1335
1336static const struct vb2_ops venc_vb2_ops = {
1337 .queue_setup = venc_queue_setup,
1338 .buf_init = venc_buf_init,
1339 .buf_cleanup = venc_buf_cleanup,
1340 .buf_prepare = venus_helper_vb2_buf_prepare,
1341 .start_streaming = venc_start_streaming,
1342 .stop_streaming = venus_helper_vb2_stop_streaming,
1343 .buf_queue = venc_vb2_buf_queue,
1344};
1345
1346static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1347 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1348 u32 hfi_flags, u64 timestamp_us)
1349{
1350 struct vb2_v4l2_buffer *vbuf;
1351 struct vb2_buffer *vb;
1352 unsigned int type;
1353
1354 venc_pm_touch(inst);
1355
1356 if (buf_type == HFI_BUFFER_INPUT)
1357 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1358 else
1359 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1360
1361 vbuf = venus_helper_find_buf(inst, type, idx: tag);
1362 if (!vbuf)
1363 return;
1364
1365 vbuf->flags = flags;
1366
1367 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1368 vb = &vbuf->vb2_buf;
1369 vb2_set_plane_payload(vb, plane_no: 0, size: bytesused + data_offset);
1370 vb->planes[0].data_offset = data_offset;
1371 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1372 vbuf->sequence = inst->sequence_cap++;
1373 if ((vbuf->flags & V4L2_BUF_FLAG_LAST) &&
1374 inst->enc_state == VENUS_ENC_STATE_DRAIN) {
1375 inst->enc_state = VENUS_ENC_STATE_STOPPED;
1376 }
1377 } else {
1378 vbuf->sequence = inst->sequence_out++;
1379 }
1380
1381 v4l2_m2m_buf_done(buf: vbuf, state: VB2_BUF_STATE_DONE);
1382}
1383
1384static void venc_event_notify(struct venus_inst *inst, u32 event,
1385 struct hfi_event_data *data)
1386{
1387 struct device *dev = inst->core->dev_enc;
1388
1389 venc_pm_touch(inst);
1390
1391 if (event == EVT_SESSION_ERROR) {
1392 inst->session_error = true;
1393 venus_helper_vb2_queue_error(inst);
1394 dev_err(dev, "enc: event session error %x\n", inst->error);
1395 }
1396}
1397
1398static const struct hfi_inst_ops venc_hfi_ops = {
1399 .buf_done = venc_buf_done,
1400 .event_notify = venc_event_notify,
1401};
1402
1403static const struct v4l2_m2m_ops venc_m2m_ops = {
1404 .device_run = venus_helper_m2m_device_run,
1405 .job_abort = venus_helper_m2m_job_abort,
1406};
1407
1408static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1409 struct vb2_queue *dst_vq)
1410{
1411 struct venus_inst *inst = priv;
1412 int ret;
1413
1414 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1415 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1416 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1417 src_vq->ops = &venc_vb2_ops;
1418 src_vq->mem_ops = &vb2_dma_contig_memops;
1419 src_vq->drv_priv = inst;
1420 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1421 src_vq->allow_zero_bytesused = 1;
1422 src_vq->min_queued_buffers = 1;
1423 src_vq->dev = inst->core->dev;
1424 src_vq->lock = &inst->ctx_q_lock;
1425 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1426 src_vq->bidirectional = 1;
1427 ret = vb2_queue_init(q: src_vq);
1428 if (ret)
1429 return ret;
1430
1431 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1432 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1433 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1434 dst_vq->ops = &venc_vb2_ops;
1435 dst_vq->mem_ops = &vb2_dma_contig_memops;
1436 dst_vq->drv_priv = inst;
1437 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1438 dst_vq->allow_zero_bytesused = 1;
1439 dst_vq->min_queued_buffers = 1;
1440 dst_vq->dev = inst->core->dev;
1441 dst_vq->lock = &inst->ctx_q_lock;
1442 return vb2_queue_init(q: dst_vq);
1443}
1444
1445static void venc_inst_init(struct venus_inst *inst)
1446{
1447 inst->fmt_cap = &venc_formats[VENUS_FMT_H264];
1448 inst->fmt_out = &venc_formats[VENUS_FMT_NV12];
1449 inst->width = 1280;
1450 inst->height = ALIGN(720, 32);
1451 inst->out_width = 1280;
1452 inst->out_height = 720;
1453 inst->fps = 15;
1454 inst->timeperframe.numerator = 1;
1455 inst->timeperframe.denominator = 15;
1456 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1457}
1458
1459static int venc_open(struct file *file)
1460{
1461 struct venus_core *core = video_drvdata(file);
1462 struct venus_inst *inst;
1463 int ret;
1464
1465 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1466 if (!inst)
1467 return -ENOMEM;
1468
1469 INIT_LIST_HEAD(list: &inst->dpbbufs);
1470 INIT_LIST_HEAD(list: &inst->registeredbufs);
1471 INIT_LIST_HEAD(list: &inst->internalbufs);
1472 INIT_LIST_HEAD(list: &inst->list);
1473 mutex_init(&inst->lock);
1474 mutex_init(&inst->ctx_q_lock);
1475
1476 inst->core = core;
1477 inst->session_type = VIDC_SESSION_TYPE_ENC;
1478 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1479 inst->core_acquired = false;
1480 inst->nonblock = file->f_flags & O_NONBLOCK;
1481
1482 if (inst->enc_state == VENUS_ENC_STATE_DEINIT)
1483 inst->enc_state = VENUS_ENC_STATE_INIT;
1484
1485 venus_helper_init_instance(inst);
1486
1487 ret = venc_ctrl_init(inst);
1488 if (ret)
1489 goto err_free;
1490
1491 venc_inst_init(inst);
1492
1493 /*
1494 * create m2m device for every instance, the m2m context scheduling
1495 * is made by firmware side so we do not need to care about.
1496 */
1497 inst->m2m_dev = v4l2_m2m_init(m2m_ops: &venc_m2m_ops);
1498 if (IS_ERR(ptr: inst->m2m_dev)) {
1499 ret = PTR_ERR(ptr: inst->m2m_dev);
1500 goto err_ctrl_deinit;
1501 }
1502
1503 inst->m2m_ctx = v4l2_m2m_ctx_init(m2m_dev: inst->m2m_dev, drv_priv: inst, queue_init: m2m_queue_init);
1504 if (IS_ERR(ptr: inst->m2m_ctx)) {
1505 ret = PTR_ERR(ptr: inst->m2m_ctx);
1506 goto err_m2m_dev_release;
1507 }
1508
1509 ret = hfi_session_create(inst, ops: &venc_hfi_ops);
1510 if (ret)
1511 goto err_m2m_ctx_release;
1512
1513 v4l2_fh_init(fh: &inst->fh, vdev: core->vdev_enc);
1514
1515 inst->fh.ctrl_handler = &inst->ctrl_handler;
1516 v4l2_fh_add(fh: &inst->fh, filp: file);
1517 inst->fh.m2m_ctx = inst->m2m_ctx;
1518
1519 return 0;
1520
1521err_m2m_ctx_release:
1522 v4l2_m2m_ctx_release(m2m_ctx: inst->m2m_ctx);
1523err_m2m_dev_release:
1524 v4l2_m2m_release(m2m_dev: inst->m2m_dev);
1525err_ctrl_deinit:
1526 v4l2_ctrl_handler_free(hdl: &inst->ctrl_handler);
1527err_free:
1528 kfree(objp: inst);
1529 return ret;
1530}
1531
1532static int venc_close(struct file *file)
1533{
1534 struct venus_inst *inst = to_inst(filp: file);
1535
1536 venc_pm_get(inst);
1537 venus_close_common(inst, filp: file);
1538 inst->enc_state = VENUS_ENC_STATE_DEINIT;
1539 venc_pm_put(inst, autosuspend: false);
1540
1541 kfree(objp: inst);
1542 return 0;
1543}
1544
1545static const struct v4l2_file_operations venc_fops = {
1546 .owner = THIS_MODULE,
1547 .open = venc_open,
1548 .release = venc_close,
1549 .unlocked_ioctl = video_ioctl2,
1550 .poll = v4l2_m2m_fop_poll,
1551 .mmap = v4l2_m2m_fop_mmap,
1552};
1553
1554static int venc_probe(struct platform_device *pdev)
1555{
1556 struct device *dev = &pdev->dev;
1557 struct video_device *vdev;
1558 struct venus_core *core;
1559 int ret;
1560
1561 core = dev_get_drvdata(dev: dev->parent);
1562 if (!core)
1563 return -EINVAL;
1564
1565 platform_set_drvdata(pdev, data: core);
1566
1567 if (core->pm_ops->venc_get) {
1568 ret = core->pm_ops->venc_get(dev);
1569 if (ret)
1570 return ret;
1571 }
1572
1573 vdev = video_device_alloc();
1574 if (!vdev)
1575 return -ENOMEM;
1576
1577 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1578 vdev->release = video_device_release;
1579 vdev->fops = &venc_fops;
1580 vdev->ioctl_ops = &venc_ioctl_ops;
1581 vdev->vfl_dir = VFL_DIR_M2M;
1582 vdev->v4l2_dev = &core->v4l2_dev;
1583 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1584
1585 ret = video_register_device(vdev, type: VFL_TYPE_VIDEO, nr: -1);
1586 if (ret)
1587 goto err_vdev_release;
1588
1589 core->vdev_enc = vdev;
1590 core->dev_enc = dev;
1591
1592 video_set_drvdata(vdev, data: core);
1593 pm_runtime_set_autosuspend_delay(dev, delay: 2000);
1594 pm_runtime_use_autosuspend(dev);
1595 pm_runtime_enable(dev);
1596
1597 return 0;
1598
1599err_vdev_release:
1600 video_device_release(vdev);
1601 return ret;
1602}
1603
1604static void venc_remove(struct platform_device *pdev)
1605{
1606 struct venus_core *core = dev_get_drvdata(dev: pdev->dev.parent);
1607
1608 video_unregister_device(vdev: core->vdev_enc);
1609 pm_runtime_disable(dev: core->dev_enc);
1610
1611 if (core->pm_ops->venc_put)
1612 core->pm_ops->venc_put(core->dev_enc);
1613}
1614
1615static __maybe_unused int venc_runtime_suspend(struct device *dev)
1616{
1617 struct venus_core *core = dev_get_drvdata(dev);
1618 const struct venus_pm_ops *pm_ops = core->pm_ops;
1619 int ret = 0;
1620
1621 if (pm_ops->venc_power)
1622 ret = pm_ops->venc_power(dev, POWER_OFF);
1623
1624 return ret;
1625}
1626
1627static __maybe_unused int venc_runtime_resume(struct device *dev)
1628{
1629 struct venus_core *core = dev_get_drvdata(dev);
1630 const struct venus_pm_ops *pm_ops = core->pm_ops;
1631 int ret = 0;
1632
1633 if (pm_ops->venc_power)
1634 ret = pm_ops->venc_power(dev, POWER_ON);
1635
1636 return ret;
1637}
1638
1639static const struct dev_pm_ops venc_pm_ops = {
1640 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1641 pm_runtime_force_resume)
1642 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1643};
1644
1645static const struct of_device_id venc_dt_match[] = {
1646 { .compatible = "venus-encoder" },
1647 { }
1648};
1649MODULE_DEVICE_TABLE(of, venc_dt_match);
1650
1651static struct platform_driver qcom_venus_enc_driver = {
1652 .probe = venc_probe,
1653 .remove = venc_remove,
1654 .driver = {
1655 .name = "qcom-venus-encoder",
1656 .of_match_table = venc_dt_match,
1657 .pm = &venc_pm_ops,
1658 },
1659};
1660module_platform_driver(qcom_venus_enc_driver);
1661
1662MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1663MODULE_LICENSE("GPL v2");
1664

source code of linux/drivers/media/platform/qcom/venus/venc.c