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 [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
67 static const struct venus_format *
find_format(struct venus_inst * inst,u32 pixfmt,u32 type)68 find_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, fmt[i].pixfmt))
84 return NULL;
85
86 return &fmt[i];
87 }
88
89 static const struct venus_format *
find_format_by_index(struct venus_inst * inst,unsigned int index,u32 type)90 find_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, 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
venc_v4l2_to_hfi(int id,int value)118 static 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
144 static int
venc_querycap(struct file * file,void * fh,struct v4l2_capability * cap)145 venc_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
venc_enum_fmt(struct file * file,void * fh,struct v4l2_fmtdesc * f)154 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
155 {
156 struct venus_inst *inst = to_inst(file);
157 const struct venus_format *fmt;
158
159 fmt = find_format_by_index(inst, f->index, 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
171 static const struct venus_format *
venc_try_fmt_common(struct venus_inst * inst,struct v4l2_format * f)172 venc_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, pixmp->pixelformat, 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, pixmp->pixelformat, 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(pixmp->pixelformat,
212 pixmp->width,
213 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
venc_try_fmt(struct file * file,void * fh,struct v4l2_format * f)224 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
225 {
226 struct venus_inst *inst = to_inst(file);
227
228 venc_try_fmt_common(inst, f);
229
230 return 0;
231 }
232
venc_s_fmt(struct file * file,void * fh,struct v4l2_format * f)233 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
234 {
235 struct venus_inst *inst = to_inst(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(inst->m2m_ctx, f->type);
244 if (!q)
245 return -EINVAL;
246
247 if (vb2_is_busy(q))
248 return -EBUSY;
249
250 orig_pixmp = *pixmp;
251
252 fmt = venc_try_fmt_common(inst, f);
253 if (!fmt)
254 return -EINVAL;
255
256 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
257 pixfmt_out = pixmp->pixelformat;
258 pixfmt_cap = inst->fmt_cap->pixfmt;
259 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
260 pixfmt_cap = pixmp->pixelformat;
261 pixfmt_out = inst->fmt_out->pixfmt;
262 }
263
264 memset(&format, 0, sizeof(format));
265
266 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
267 format.fmt.pix_mp.pixelformat = pixfmt_out;
268 format.fmt.pix_mp.width = orig_pixmp.width;
269 format.fmt.pix_mp.height = orig_pixmp.height;
270 venc_try_fmt_common(inst, &format);
271
272 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
273 inst->out_width = format.fmt.pix_mp.width;
274 inst->out_height = format.fmt.pix_mp.height;
275 inst->colorspace = pixmp->colorspace;
276 inst->ycbcr_enc = pixmp->ycbcr_enc;
277 inst->quantization = pixmp->quantization;
278 inst->xfer_func = pixmp->xfer_func;
279 }
280
281 memset(&format, 0, sizeof(format));
282
283 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
284 format.fmt.pix_mp.pixelformat = pixfmt_cap;
285 format.fmt.pix_mp.width = orig_pixmp.width;
286 format.fmt.pix_mp.height = orig_pixmp.height;
287 venc_try_fmt_common(inst, &format);
288
289 inst->width = format.fmt.pix_mp.width;
290 inst->height = format.fmt.pix_mp.height;
291
292 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
293 inst->fmt_out = fmt;
294 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
295 inst->fmt_cap = fmt;
296 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
297 }
298
299 return 0;
300 }
301
venc_g_fmt(struct file * file,void * fh,struct v4l2_format * f)302 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
303 {
304 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
305 struct venus_inst *inst = to_inst(file);
306 const struct venus_format *fmt;
307
308 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
309 fmt = inst->fmt_cap;
310 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
311 fmt = inst->fmt_out;
312 else
313 return -EINVAL;
314
315 pixmp->pixelformat = fmt->pixfmt;
316
317 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
318 pixmp->width = inst->width;
319 pixmp->height = inst->height;
320 pixmp->colorspace = inst->colorspace;
321 pixmp->ycbcr_enc = inst->ycbcr_enc;
322 pixmp->quantization = inst->quantization;
323 pixmp->xfer_func = inst->xfer_func;
324 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
325 pixmp->width = inst->out_width;
326 pixmp->height = inst->out_height;
327 }
328
329 venc_try_fmt_common(inst, f);
330
331 return 0;
332 }
333
334 static int
venc_g_selection(struct file * file,void * fh,struct v4l2_selection * s)335 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
336 {
337 struct venus_inst *inst = to_inst(file);
338
339 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
340 return -EINVAL;
341
342 switch (s->target) {
343 case V4L2_SEL_TGT_CROP_DEFAULT:
344 case V4L2_SEL_TGT_CROP_BOUNDS:
345 s->r.width = inst->out_width;
346 s->r.height = inst->out_height;
347 break;
348 case V4L2_SEL_TGT_CROP:
349 s->r.width = inst->width;
350 s->r.height = inst->height;
351 break;
352 default:
353 return -EINVAL;
354 }
355
356 s->r.top = 0;
357 s->r.left = 0;
358
359 return 0;
360 }
361
362 static int
venc_s_selection(struct file * file,void * fh,struct v4l2_selection * s)363 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
364 {
365 struct venus_inst *inst = to_inst(file);
366
367 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
368 return -EINVAL;
369
370 if (s->r.width > inst->out_width ||
371 s->r.height > inst->out_height)
372 return -EINVAL;
373
374 s->r.width = ALIGN(s->r.width, 2);
375 s->r.height = ALIGN(s->r.height, 2);
376
377 switch (s->target) {
378 case V4L2_SEL_TGT_CROP:
379 s->r.top = 0;
380 s->r.left = 0;
381 inst->width = s->r.width;
382 inst->height = s->r.height;
383 break;
384 default:
385 return -EINVAL;
386 }
387
388 return 0;
389 }
390
venc_s_parm(struct file * file,void * fh,struct v4l2_streamparm * a)391 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
392 {
393 struct venus_inst *inst = to_inst(file);
394 struct v4l2_outputparm *out = &a->parm.output;
395 struct v4l2_fract *timeperframe = &out->timeperframe;
396 u64 us_per_frame, fps;
397
398 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
399 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
400 return -EINVAL;
401
402 memset(out->reserved, 0, sizeof(out->reserved));
403
404 if (!timeperframe->denominator)
405 timeperframe->denominator = inst->timeperframe.denominator;
406 if (!timeperframe->numerator)
407 timeperframe->numerator = inst->timeperframe.numerator;
408
409 out->capability = V4L2_CAP_TIMEPERFRAME;
410
411 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
412 do_div(us_per_frame, timeperframe->denominator);
413
414 if (!us_per_frame)
415 return -EINVAL;
416
417 fps = (u64)USEC_PER_SEC;
418 do_div(fps, us_per_frame);
419
420 inst->timeperframe = *timeperframe;
421 inst->fps = fps;
422
423 return 0;
424 }
425
venc_g_parm(struct file * file,void * fh,struct v4l2_streamparm * a)426 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
427 {
428 struct venus_inst *inst = to_inst(file);
429
430 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
431 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
432 return -EINVAL;
433
434 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
435 a->parm.output.timeperframe = inst->timeperframe;
436
437 return 0;
438 }
439
venc_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)440 static int venc_enum_framesizes(struct file *file, void *fh,
441 struct v4l2_frmsizeenum *fsize)
442 {
443 struct venus_inst *inst = to_inst(file);
444 const struct venus_format *fmt;
445
446 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
447
448 fmt = find_format(inst, fsize->pixel_format,
449 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
450 if (!fmt) {
451 fmt = find_format(inst, fsize->pixel_format,
452 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
453 if (!fmt)
454 return -EINVAL;
455 }
456
457 if (fsize->index)
458 return -EINVAL;
459
460 fsize->stepwise.min_width = frame_width_min(inst);
461 fsize->stepwise.max_width = frame_width_max(inst);
462 fsize->stepwise.step_width = frame_width_step(inst);
463 fsize->stepwise.min_height = frame_height_min(inst);
464 fsize->stepwise.max_height = frame_height_max(inst);
465 fsize->stepwise.step_height = frame_height_step(inst);
466
467 return 0;
468 }
469
venc_enum_frameintervals(struct file * file,void * fh,struct v4l2_frmivalenum * fival)470 static int venc_enum_frameintervals(struct file *file, void *fh,
471 struct v4l2_frmivalenum *fival)
472 {
473 struct venus_inst *inst = to_inst(file);
474 const struct venus_format *fmt;
475 unsigned int framerate_factor = 1;
476
477 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
478
479 fmt = find_format(inst, fival->pixel_format,
480 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
481 if (!fmt) {
482 fmt = find_format(inst, fival->pixel_format,
483 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
484 if (!fmt)
485 return -EINVAL;
486 }
487
488 if (fival->index)
489 return -EINVAL;
490
491 if (!fival->width || !fival->height)
492 return -EINVAL;
493
494 if (fival->width > frame_width_max(inst) ||
495 fival->width < frame_width_min(inst) ||
496 fival->height > frame_height_max(inst) ||
497 fival->height < frame_height_min(inst))
498 return -EINVAL;
499
500 if (IS_V1(inst->core)) {
501 /* framerate is reported in 1/65535 fps unit */
502 framerate_factor = (1 << 16);
503 }
504
505 fival->stepwise.min.numerator = 1;
506 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
507 fival->stepwise.max.numerator = 1;
508 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
509 fival->stepwise.step.numerator = 1;
510 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
511
512 return 0;
513 }
514
venc_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)515 static int venc_subscribe_event(struct v4l2_fh *fh,
516 const struct v4l2_event_subscription *sub)
517 {
518 switch (sub->type) {
519 case V4L2_EVENT_EOS:
520 return v4l2_event_subscribe(fh, sub, 2, NULL);
521 case V4L2_EVENT_CTRL:
522 return v4l2_ctrl_subscribe_event(fh, sub);
523 default:
524 return -EINVAL;
525 }
526 }
527
528 static int
venc_encoder_cmd(struct file * file,void * fh,struct v4l2_encoder_cmd * cmd)529 venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
530 {
531 struct venus_inst *inst = to_inst(file);
532 struct hfi_frame_data fdata = {0};
533 int ret = 0;
534
535 ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd);
536 if (ret)
537 return ret;
538
539 mutex_lock(&inst->lock);
540
541 if (cmd->cmd == V4L2_ENC_CMD_STOP &&
542 inst->enc_state == VENUS_ENC_STATE_ENCODING) {
543 /*
544 * Implement V4L2_ENC_CMD_STOP by enqueue an empty buffer on
545 * encoder input to signal EOS.
546 */
547 if (!(inst->streamon_out && inst->streamon_cap))
548 goto unlock;
549
550 fdata.buffer_type = HFI_BUFFER_INPUT;
551 fdata.flags |= HFI_BUFFERFLAG_EOS;
552 fdata.device_addr = 0xdeadb000;
553
554 ret = hfi_session_process_buf(inst, &fdata);
555
556 inst->enc_state = VENUS_ENC_STATE_DRAIN;
557 } else if (cmd->cmd == V4L2_ENC_CMD_START) {
558 if (inst->enc_state == VENUS_ENC_STATE_DRAIN) {
559 ret = -EBUSY;
560 goto unlock;
561 }
562 if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
563 vb2_clear_last_buffer_dequeued(&inst->fh.m2m_ctx->cap_q_ctx.q);
564 inst->enc_state = VENUS_ENC_STATE_ENCODING;
565 }
566 }
567
568 unlock:
569 mutex_unlock(&inst->lock);
570 return ret;
571 }
572
573 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
574 .vidioc_querycap = venc_querycap,
575 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
576 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
577 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
578 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
579 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
580 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
581 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
582 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
583 .vidioc_g_selection = venc_g_selection,
584 .vidioc_s_selection = venc_s_selection,
585 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
586 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
587 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
588 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
589 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
590 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
591 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
592 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
593 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
594 .vidioc_s_parm = venc_s_parm,
595 .vidioc_g_parm = venc_g_parm,
596 .vidioc_enum_framesizes = venc_enum_framesizes,
597 .vidioc_enum_frameintervals = venc_enum_frameintervals,
598 .vidioc_subscribe_event = venc_subscribe_event,
599 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
600 .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
601 .vidioc_encoder_cmd = venc_encoder_cmd,
602 };
603
venc_pm_get(struct venus_inst * inst)604 static int venc_pm_get(struct venus_inst *inst)
605 {
606 struct venus_core *core = inst->core;
607 struct device *dev = core->dev_enc;
608 int ret;
609
610 mutex_lock(&core->pm_lock);
611 ret = pm_runtime_resume_and_get(dev);
612 mutex_unlock(&core->pm_lock);
613
614 return ret < 0 ? ret : 0;
615 }
616
venc_pm_put(struct venus_inst * inst,bool autosuspend)617 static int venc_pm_put(struct venus_inst *inst, bool autosuspend)
618 {
619 struct venus_core *core = inst->core;
620 struct device *dev = core->dev_enc;
621 int ret;
622
623 mutex_lock(&core->pm_lock);
624
625 if (autosuspend)
626 ret = pm_runtime_put_autosuspend(dev);
627 else
628 ret = pm_runtime_put_sync(dev);
629
630 mutex_unlock(&core->pm_lock);
631
632 return ret < 0 ? ret : 0;
633 }
634
venc_pm_get_put(struct venus_inst * inst)635 static int venc_pm_get_put(struct venus_inst *inst)
636 {
637 struct venus_core *core = inst->core;
638 struct device *dev = core->dev_enc;
639 int ret = 0;
640
641 mutex_lock(&core->pm_lock);
642
643 if (pm_runtime_suspended(dev)) {
644 ret = pm_runtime_resume_and_get(dev);
645 if (ret < 0)
646 goto error;
647
648 ret = pm_runtime_put_autosuspend(dev);
649 }
650
651 error:
652 mutex_unlock(&core->pm_lock);
653
654 return ret < 0 ? ret : 0;
655 }
656
venc_pm_touch(struct venus_inst * inst)657 static void venc_pm_touch(struct venus_inst *inst)
658 {
659 pm_runtime_mark_last_busy(inst->core->dev_enc);
660 }
661
venc_set_properties(struct venus_inst * inst)662 static int venc_set_properties(struct venus_inst *inst)
663 {
664 struct venc_controls *ctr = &inst->controls.enc;
665 struct hfi_intra_period intra_period;
666 struct hfi_framerate frate;
667 struct hfi_bitrate brate;
668 struct hfi_idr_period idrp;
669 struct hfi_quantization quant;
670 struct hfi_quantization_range quant_range;
671 struct hfi_quantization_range_v2 quant_range_v2;
672 struct hfi_enable en;
673 struct hfi_ltr_mode ltr_mode;
674 struct hfi_intra_refresh intra_refresh = {};
675 u32 ptype, rate_control, bitrate;
676 u32 profile, level;
677 int ret;
678
679 ret = venus_helper_set_work_mode(inst);
680 if (ret)
681 return ret;
682
683 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
684 frate.buffer_type = HFI_BUFFER_OUTPUT;
685 frate.framerate = inst->fps * (1 << 16);
686
687 ret = hfi_session_set_property(inst, ptype, &frate);
688 if (ret)
689 return ret;
690
691 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
692 struct hfi_h264_vui_timing_info info;
693 struct hfi_h264_entropy_control entropy;
694 struct hfi_h264_db_control deblock;
695 struct hfi_h264_8x8_transform h264_transform;
696
697 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
698 info.enable = 1;
699 info.fixed_framerate = 1;
700 info.time_scale = NSEC_PER_SEC;
701
702 ret = hfi_session_set_property(inst, ptype, &info);
703 if (ret)
704 return ret;
705
706 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
707 entropy.entropy_mode = venc_v4l2_to_hfi(
708 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
709 ctr->h264_entropy_mode);
710 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
711
712 ret = hfi_session_set_property(inst, ptype, &entropy);
713 if (ret)
714 return ret;
715
716 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
717 deblock.mode = venc_v4l2_to_hfi(
718 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
719 ctr->h264_loop_filter_mode);
720 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
721 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
722
723 ret = hfi_session_set_property(inst, ptype, &deblock);
724 if (ret)
725 return ret;
726
727 ptype = HFI_PROPERTY_PARAM_VENC_H264_TRANSFORM_8X8;
728 h264_transform.enable_type = 0;
729 if (ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_HIGH ||
730 ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH)
731 h264_transform.enable_type = ctr->h264_8x8_transform;
732
733 ret = hfi_session_set_property(inst, ptype, &h264_transform);
734 if (ret)
735 return ret;
736
737 }
738
739 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
740 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
741 /* IDR periodicity, n:
742 * n = 0 - only the first I-frame is IDR frame
743 * n = 1 - all I-frames will be IDR frames
744 * n > 1 - every n-th I-frame will be IDR frame
745 */
746 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
747 idrp.idr_period = 0;
748 ret = hfi_session_set_property(inst, ptype, &idrp);
749 if (ret)
750 return ret;
751 }
752
753 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC &&
754 ctr->profile.hevc == V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10) {
755 struct hfi_hdr10_pq_sei hdr10;
756 unsigned int c;
757
758 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI;
759
760 for (c = 0; c < 3; c++) {
761 hdr10.mastering.display_primaries_x[c] =
762 ctr->mastering.display_primaries_x[c];
763 hdr10.mastering.display_primaries_y[c] =
764 ctr->mastering.display_primaries_y[c];
765 }
766
767 hdr10.mastering.white_point_x = ctr->mastering.white_point_x;
768 hdr10.mastering.white_point_y = ctr->mastering.white_point_y;
769 hdr10.mastering.max_display_mastering_luminance =
770 ctr->mastering.max_display_mastering_luminance;
771 hdr10.mastering.min_display_mastering_luminance =
772 ctr->mastering.min_display_mastering_luminance;
773
774 hdr10.cll.max_content_light = ctr->cll.max_content_light_level;
775 hdr10.cll.max_pic_average_light =
776 ctr->cll.max_pic_average_light_level;
777
778 ret = hfi_session_set_property(inst, ptype, &hdr10);
779 if (ret)
780 return ret;
781 }
782
783 if (ctr->num_b_frames) {
784 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
785
786 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
787 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
788 if (ret)
789 return ret;
790 }
791
792 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
793 intra_period.pframes = ctr->num_p_frames;
794 intra_period.bframes = ctr->num_b_frames;
795
796 ret = hfi_session_set_property(inst, ptype, &intra_period);
797 if (ret)
798 return ret;
799
800 if (!ctr->rc_enable)
801 rate_control = HFI_RATE_CONTROL_OFF;
802 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
803 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
804 HFI_RATE_CONTROL_VBR_CFR;
805 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
806 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
807 HFI_RATE_CONTROL_CBR_CFR;
808 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
809 rate_control = HFI_RATE_CONTROL_CQ;
810
811 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
812 ret = hfi_session_set_property(inst, ptype, &rate_control);
813 if (ret)
814 return ret;
815
816 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
817 struct hfi_heic_frame_quality quality = {};
818
819 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
820 quality.frame_quality = ctr->const_quality;
821 ret = hfi_session_set_property(inst, ptype, &quality);
822 if (ret)
823 return ret;
824 }
825
826 if (!ctr->bitrate)
827 bitrate = 64000;
828 else
829 bitrate = ctr->bitrate;
830
831 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
832 brate.bitrate = bitrate;
833 brate.layer_id = 0;
834
835 ret = hfi_session_set_property(inst, ptype, &brate);
836 if (ret)
837 return ret;
838
839 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
840 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
841 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
842 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
843 en.enable = 0;
844 else
845 en.enable = 1;
846
847 ret = hfi_session_set_property(inst, ptype, &en);
848 if (ret)
849 return ret;
850 }
851
852 if (!ctr->bitrate_peak)
853 bitrate *= 2;
854 else
855 bitrate = ctr->bitrate_peak;
856
857 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
858 brate.bitrate = bitrate;
859 brate.layer_id = 0;
860
861 ret = hfi_session_set_property(inst, ptype, &brate);
862 if (ret)
863 return ret;
864
865 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
866 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
867 quant.qp_i = ctr->hevc_i_qp;
868 quant.qp_p = ctr->hevc_p_qp;
869 quant.qp_b = ctr->hevc_b_qp;
870 } else {
871 quant.qp_i = ctr->h264_i_qp;
872 quant.qp_p = ctr->h264_p_qp;
873 quant.qp_b = ctr->h264_b_qp;
874 }
875 quant.layer_id = 0;
876 ret = hfi_session_set_property(inst, ptype, &quant);
877 if (ret)
878 return ret;
879
880 if (inst->core->res->hfi_version == HFI_VERSION_4XX ||
881 inst->core->res->hfi_version == HFI_VERSION_6XX) {
882 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2;
883
884 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
885 quant_range_v2.min_qp.qp_packed = ctr->hevc_min_qp;
886 quant_range_v2.max_qp.qp_packed = ctr->hevc_max_qp;
887 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
888 quant_range_v2.min_qp.qp_packed = ctr->vp8_min_qp;
889 quant_range_v2.max_qp.qp_packed = ctr->vp8_max_qp;
890 } else {
891 quant_range_v2.min_qp.qp_packed = ctr->h264_min_qp;
892 quant_range_v2.max_qp.qp_packed = ctr->h264_max_qp;
893 }
894
895 ret = hfi_session_set_property(inst, ptype, &quant_range_v2);
896 } else {
897 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
898
899 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
900 quant_range.min_qp = ctr->hevc_min_qp;
901 quant_range.max_qp = ctr->hevc_max_qp;
902 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
903 quant_range.min_qp = ctr->vp8_min_qp;
904 quant_range.max_qp = ctr->vp8_max_qp;
905 } else {
906 quant_range.min_qp = ctr->h264_min_qp;
907 quant_range.max_qp = ctr->h264_max_qp;
908 }
909
910 quant_range.layer_id = 0;
911 ret = hfi_session_set_property(inst, ptype, &quant_range);
912 }
913
914 if (ret)
915 return ret;
916
917 ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE;
918 ltr_mode.ltr_count = ctr->ltr_count;
919 ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL;
920 ltr_mode.trust_mode = 1;
921 ret = hfi_session_set_property(inst, ptype, <r_mode);
922 if (ret)
923 return ret;
924
925 switch (inst->hfi_codec) {
926 case HFI_VIDEO_CODEC_H264:
927 profile = ctr->profile.h264;
928 level = ctr->level.h264;
929 break;
930 case HFI_VIDEO_CODEC_MPEG4:
931 profile = ctr->profile.mpeg4;
932 level = ctr->level.mpeg4;
933 break;
934 case HFI_VIDEO_CODEC_VP8:
935 profile = ctr->profile.vp8;
936 level = 0;
937 break;
938 case HFI_VIDEO_CODEC_VP9:
939 profile = ctr->profile.vp9;
940 level = ctr->level.vp9;
941 break;
942 case HFI_VIDEO_CODEC_HEVC:
943 profile = ctr->profile.hevc;
944 level = ctr->level.hevc;
945 break;
946 case HFI_VIDEO_CODEC_MPEG2:
947 default:
948 profile = 0;
949 level = 0;
950 break;
951 }
952
953 ret = venus_helper_set_profile_level(inst, profile, level);
954 if (ret)
955 return ret;
956
957 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
958 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
959 struct hfi_enable en = {};
960
961 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
962
963 if (ctr->aud_enable)
964 en.enable = 1;
965
966 ret = hfi_session_set_property(inst, ptype, &en);
967 }
968
969 if ((inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
970 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) &&
971 (rate_control == HFI_RATE_CONTROL_CBR_VFR ||
972 rate_control == HFI_RATE_CONTROL_CBR_CFR)) {
973 intra_refresh.mode = HFI_INTRA_REFRESH_NONE;
974 intra_refresh.cir_mbs = 0;
975
976 if (ctr->intra_refresh_period) {
977 u32 mbs;
978
979 mbs = ALIGN(inst->width, 16) * ALIGN(inst->height, 16);
980 mbs /= 16 * 16;
981 if (mbs % ctr->intra_refresh_period)
982 mbs++;
983 mbs /= ctr->intra_refresh_period;
984
985 intra_refresh.cir_mbs = mbs;
986 if (ctr->intra_refresh_type ==
987 V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC)
988 intra_refresh.mode = HFI_INTRA_REFRESH_CYCLIC;
989 else
990 intra_refresh.mode = HFI_INTRA_REFRESH_RANDOM;
991 }
992
993 ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH;
994
995 ret = hfi_session_set_property(inst, ptype, &intra_refresh);
996 if (ret)
997 return ret;
998 }
999
1000 return 0;
1001 }
1002
venc_init_session(struct venus_inst * inst)1003 static int venc_init_session(struct venus_inst *inst)
1004 {
1005 int ret;
1006
1007 ret = venus_helper_session_init(inst);
1008 if (ret == -EALREADY)
1009 return 0;
1010 else if (ret)
1011 return ret;
1012
1013 ret = venus_helper_set_stride(inst, inst->out_width,
1014 inst->out_height);
1015 if (ret)
1016 goto deinit;
1017
1018 ret = venus_helper_set_input_resolution(inst, inst->width,
1019 inst->height);
1020 if (ret)
1021 goto deinit;
1022
1023 ret = venus_helper_set_output_resolution(inst, inst->width,
1024 inst->height,
1025 HFI_BUFFER_OUTPUT);
1026 if (ret)
1027 goto deinit;
1028
1029 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
1030 if (ret)
1031 goto deinit;
1032
1033 ret = venc_set_properties(inst);
1034 if (ret)
1035 goto deinit;
1036
1037 return 0;
1038 deinit:
1039 hfi_session_deinit(inst);
1040 return ret;
1041 }
1042
venc_out_num_buffers(struct venus_inst * inst,unsigned int * num)1043 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
1044 {
1045 struct hfi_buffer_requirements bufreq;
1046 int ret;
1047
1048 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
1049 if (ret)
1050 return ret;
1051
1052 *num = bufreq.count_actual;
1053
1054 return 0;
1055 }
1056
venc_queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])1057 static int venc_queue_setup(struct vb2_queue *q,
1058 unsigned int *num_buffers, unsigned int *num_planes,
1059 unsigned int sizes[], struct device *alloc_devs[])
1060 {
1061 struct venus_inst *inst = vb2_get_drv_priv(q);
1062 struct venus_core *core = inst->core;
1063 unsigned int num, min = 4;
1064 int ret;
1065
1066 if (*num_planes) {
1067 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1068 *num_planes != inst->fmt_out->num_planes)
1069 return -EINVAL;
1070
1071 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1072 *num_planes != inst->fmt_cap->num_planes)
1073 return -EINVAL;
1074
1075 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1076 sizes[0] < inst->input_buf_size)
1077 return -EINVAL;
1078
1079 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1080 sizes[0] < inst->output_buf_size)
1081 return -EINVAL;
1082
1083 return 0;
1084 }
1085
1086 if (test_bit(0, &core->sys_error)) {
1087 if (inst->nonblock)
1088 return -EAGAIN;
1089
1090 ret = wait_event_interruptible(core->sys_err_done,
1091 !test_bit(0, &core->sys_error));
1092 if (ret)
1093 return ret;
1094 }
1095
1096 ret = venc_pm_get(inst);
1097 if (ret)
1098 return ret;
1099
1100 mutex_lock(&inst->lock);
1101 ret = venc_init_session(inst);
1102 mutex_unlock(&inst->lock);
1103
1104 if (ret)
1105 goto put_power;
1106
1107 ret = venc_pm_put(inst, false);
1108 if (ret)
1109 return ret;
1110
1111 switch (q->type) {
1112 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
1113 *num_planes = inst->fmt_out->num_planes;
1114
1115 ret = venc_out_num_buffers(inst, &num);
1116 if (ret)
1117 break;
1118
1119 num = max(num, min);
1120 *num_buffers = max(*num_buffers, num);
1121 inst->num_input_bufs = *num_buffers;
1122
1123 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
1124 inst->out_width,
1125 inst->out_height);
1126 inst->input_buf_size = sizes[0];
1127 break;
1128 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
1129 *num_planes = inst->fmt_cap->num_planes;
1130 *num_buffers = max(*num_buffers, min);
1131 inst->num_output_bufs = *num_buffers;
1132 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
1133 inst->width,
1134 inst->height);
1135 sizes[0] = max(sizes[0], inst->output_buf_size);
1136 inst->output_buf_size = sizes[0];
1137 break;
1138 default:
1139 ret = -EINVAL;
1140 break;
1141 }
1142
1143 return ret;
1144 put_power:
1145 venc_pm_put(inst, false);
1146 return ret;
1147 }
1148
venc_buf_init(struct vb2_buffer * vb)1149 static int venc_buf_init(struct vb2_buffer *vb)
1150 {
1151 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1152
1153 inst->buf_count++;
1154
1155 return venus_helper_vb2_buf_init(vb);
1156 }
1157
venc_release_session(struct venus_inst * inst)1158 static void venc_release_session(struct venus_inst *inst)
1159 {
1160 int ret;
1161
1162 venc_pm_get(inst);
1163
1164 mutex_lock(&inst->lock);
1165
1166 ret = hfi_session_deinit(inst);
1167 if (ret || inst->session_error)
1168 hfi_session_abort(inst);
1169
1170 mutex_unlock(&inst->lock);
1171
1172 venus_pm_load_scale(inst);
1173 INIT_LIST_HEAD(&inst->registeredbufs);
1174 venus_pm_release_core(inst);
1175
1176 venc_pm_put(inst, false);
1177 }
1178
venc_buf_cleanup(struct vb2_buffer * vb)1179 static void venc_buf_cleanup(struct vb2_buffer *vb)
1180 {
1181 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1182 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1183 struct venus_buffer *buf = to_venus_buffer(vbuf);
1184
1185 mutex_lock(&inst->lock);
1186 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1187 if (!list_empty(&inst->registeredbufs))
1188 list_del_init(&buf->reg_list);
1189 mutex_unlock(&inst->lock);
1190
1191 inst->buf_count--;
1192 if (!inst->buf_count)
1193 venc_release_session(inst);
1194 }
1195
venc_verify_conf(struct venus_inst * inst)1196 static int venc_verify_conf(struct venus_inst *inst)
1197 {
1198 enum hfi_version ver = inst->core->res->hfi_version;
1199 struct hfi_buffer_requirements bufreq;
1200 int ret;
1201
1202 if (!inst->num_input_bufs || !inst->num_output_bufs)
1203 return -EINVAL;
1204
1205 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
1206 if (ret)
1207 return ret;
1208
1209 if (inst->num_output_bufs < bufreq.count_actual ||
1210 inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
1211 return -EINVAL;
1212
1213 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
1214 if (ret)
1215 return ret;
1216
1217 if (inst->num_input_bufs < bufreq.count_actual ||
1218 inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
1219 return -EINVAL;
1220
1221 return 0;
1222 }
1223
venc_start_streaming(struct vb2_queue * q,unsigned int count)1224 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
1225 {
1226 struct venus_inst *inst = vb2_get_drv_priv(q);
1227 int ret;
1228
1229 mutex_lock(&inst->lock);
1230
1231 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1232 inst->streamon_out = 1;
1233 else
1234 inst->streamon_cap = 1;
1235
1236 if (!(inst->streamon_out & inst->streamon_cap)) {
1237 mutex_unlock(&inst->lock);
1238 return 0;
1239 }
1240
1241 venus_helper_init_instance(inst);
1242
1243 inst->sequence_cap = 0;
1244 inst->sequence_out = 0;
1245
1246 ret = venc_pm_get(inst);
1247 if (ret)
1248 goto error;
1249
1250 ret = venus_pm_acquire_core(inst);
1251 if (ret)
1252 goto put_power;
1253
1254 ret = venc_pm_put(inst, true);
1255 if (ret)
1256 goto error;
1257
1258 ret = venc_set_properties(inst);
1259 if (ret)
1260 goto error;
1261
1262 ret = venc_verify_conf(inst);
1263 if (ret)
1264 goto error;
1265
1266 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1267 inst->num_output_bufs, 0);
1268 if (ret)
1269 goto error;
1270
1271 ret = venus_helper_vb2_start_streaming(inst);
1272 if (ret)
1273 goto error;
1274
1275 inst->enc_state = VENUS_ENC_STATE_ENCODING;
1276
1277 mutex_unlock(&inst->lock);
1278
1279 return 0;
1280
1281 put_power:
1282 venc_pm_put(inst, false);
1283 error:
1284 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1285 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1286 inst->streamon_out = 0;
1287 else
1288 inst->streamon_cap = 0;
1289 mutex_unlock(&inst->lock);
1290 return ret;
1291 }
1292
venc_vb2_buf_queue(struct vb2_buffer * vb)1293 static void venc_vb2_buf_queue(struct vb2_buffer *vb)
1294 {
1295 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1296 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1297
1298 venc_pm_get_put(inst);
1299
1300 mutex_lock(&inst->lock);
1301
1302 if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
1303 vbuf->sequence = inst->sequence_cap++;
1304 vbuf->field = V4L2_FIELD_NONE;
1305 vb2_set_plane_payload(vb, 0, 0);
1306 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1307 mutex_unlock(&inst->lock);
1308 return;
1309 }
1310
1311 venus_helper_vb2_buf_queue(vb);
1312 mutex_unlock(&inst->lock);
1313 }
1314
1315 static const struct vb2_ops venc_vb2_ops = {
1316 .queue_setup = venc_queue_setup,
1317 .buf_init = venc_buf_init,
1318 .buf_cleanup = venc_buf_cleanup,
1319 .buf_prepare = venus_helper_vb2_buf_prepare,
1320 .start_streaming = venc_start_streaming,
1321 .stop_streaming = venus_helper_vb2_stop_streaming,
1322 .buf_queue = venc_vb2_buf_queue,
1323 };
1324
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)1325 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1326 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1327 u32 hfi_flags, u64 timestamp_us)
1328 {
1329 struct vb2_v4l2_buffer *vbuf;
1330 struct vb2_buffer *vb;
1331 unsigned int type;
1332
1333 venc_pm_touch(inst);
1334
1335 if (buf_type == HFI_BUFFER_INPUT)
1336 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1337 else
1338 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1339
1340 vbuf = venus_helper_find_buf(inst, type, tag);
1341 if (!vbuf)
1342 return;
1343
1344 vbuf->flags = flags;
1345
1346 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1347 vb = &vbuf->vb2_buf;
1348 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1349 vb->planes[0].data_offset = data_offset;
1350 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1351 vbuf->sequence = inst->sequence_cap++;
1352 if ((vbuf->flags & V4L2_BUF_FLAG_LAST) &&
1353 inst->enc_state == VENUS_ENC_STATE_DRAIN) {
1354 inst->enc_state = VENUS_ENC_STATE_STOPPED;
1355 }
1356 } else {
1357 vbuf->sequence = inst->sequence_out++;
1358 }
1359
1360 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1361 }
1362
venc_event_notify(struct venus_inst * inst,u32 event,struct hfi_event_data * data)1363 static void venc_event_notify(struct venus_inst *inst, u32 event,
1364 struct hfi_event_data *data)
1365 {
1366 struct device *dev = inst->core->dev_enc;
1367
1368 venc_pm_touch(inst);
1369
1370 if (event == EVT_SESSION_ERROR) {
1371 inst->session_error = true;
1372 venus_helper_vb2_queue_error(inst);
1373 dev_err(dev, "enc: event session error %x\n", inst->error);
1374 }
1375 }
1376
1377 static const struct hfi_inst_ops venc_hfi_ops = {
1378 .buf_done = venc_buf_done,
1379 .event_notify = venc_event_notify,
1380 };
1381
1382 static const struct v4l2_m2m_ops venc_m2m_ops = {
1383 .device_run = venus_helper_m2m_device_run,
1384 .job_abort = venus_helper_m2m_job_abort,
1385 };
1386
m2m_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)1387 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1388 struct vb2_queue *dst_vq)
1389 {
1390 struct venus_inst *inst = priv;
1391 int ret;
1392
1393 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1394 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1395 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1396 src_vq->ops = &venc_vb2_ops;
1397 src_vq->mem_ops = &vb2_dma_contig_memops;
1398 src_vq->drv_priv = inst;
1399 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1400 src_vq->allow_zero_bytesused = 1;
1401 src_vq->min_buffers_needed = 1;
1402 src_vq->dev = inst->core->dev;
1403 src_vq->lock = &inst->ctx_q_lock;
1404 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1405 src_vq->bidirectional = 1;
1406 ret = vb2_queue_init(src_vq);
1407 if (ret)
1408 return ret;
1409
1410 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1411 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1412 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1413 dst_vq->ops = &venc_vb2_ops;
1414 dst_vq->mem_ops = &vb2_dma_contig_memops;
1415 dst_vq->drv_priv = inst;
1416 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1417 dst_vq->allow_zero_bytesused = 1;
1418 dst_vq->min_buffers_needed = 1;
1419 dst_vq->dev = inst->core->dev;
1420 dst_vq->lock = &inst->ctx_q_lock;
1421 return vb2_queue_init(dst_vq);
1422 }
1423
venc_inst_init(struct venus_inst * inst)1424 static void venc_inst_init(struct venus_inst *inst)
1425 {
1426 inst->fmt_cap = &venc_formats[VENUS_FMT_H264];
1427 inst->fmt_out = &venc_formats[VENUS_FMT_NV12];
1428 inst->width = 1280;
1429 inst->height = ALIGN(720, 32);
1430 inst->out_width = 1280;
1431 inst->out_height = 720;
1432 inst->fps = 15;
1433 inst->timeperframe.numerator = 1;
1434 inst->timeperframe.denominator = 15;
1435 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1436 }
1437
venc_open(struct file * file)1438 static int venc_open(struct file *file)
1439 {
1440 struct venus_core *core = video_drvdata(file);
1441 struct venus_inst *inst;
1442 int ret;
1443
1444 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1445 if (!inst)
1446 return -ENOMEM;
1447
1448 INIT_LIST_HEAD(&inst->dpbbufs);
1449 INIT_LIST_HEAD(&inst->registeredbufs);
1450 INIT_LIST_HEAD(&inst->internalbufs);
1451 INIT_LIST_HEAD(&inst->list);
1452 mutex_init(&inst->lock);
1453 mutex_init(&inst->ctx_q_lock);
1454
1455 inst->core = core;
1456 inst->session_type = VIDC_SESSION_TYPE_ENC;
1457 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1458 inst->core_acquired = false;
1459 inst->nonblock = file->f_flags & O_NONBLOCK;
1460
1461 if (inst->enc_state == VENUS_ENC_STATE_DEINIT)
1462 inst->enc_state = VENUS_ENC_STATE_INIT;
1463
1464 venus_helper_init_instance(inst);
1465
1466 ret = venc_ctrl_init(inst);
1467 if (ret)
1468 goto err_free;
1469
1470 ret = hfi_session_create(inst, &venc_hfi_ops);
1471 if (ret)
1472 goto err_ctrl_deinit;
1473
1474 venc_inst_init(inst);
1475
1476 /*
1477 * create m2m device for every instance, the m2m context scheduling
1478 * is made by firmware side so we do not need to care about.
1479 */
1480 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1481 if (IS_ERR(inst->m2m_dev)) {
1482 ret = PTR_ERR(inst->m2m_dev);
1483 goto err_session_destroy;
1484 }
1485
1486 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1487 if (IS_ERR(inst->m2m_ctx)) {
1488 ret = PTR_ERR(inst->m2m_ctx);
1489 goto err_m2m_release;
1490 }
1491
1492 v4l2_fh_init(&inst->fh, core->vdev_enc);
1493
1494 inst->fh.ctrl_handler = &inst->ctrl_handler;
1495 v4l2_fh_add(&inst->fh);
1496 inst->fh.m2m_ctx = inst->m2m_ctx;
1497 file->private_data = &inst->fh;
1498
1499 return 0;
1500
1501 err_m2m_release:
1502 v4l2_m2m_release(inst->m2m_dev);
1503 err_session_destroy:
1504 hfi_session_destroy(inst);
1505 err_ctrl_deinit:
1506 venc_ctrl_deinit(inst);
1507 err_free:
1508 kfree(inst);
1509 return ret;
1510 }
1511
venc_close(struct file * file)1512 static int venc_close(struct file *file)
1513 {
1514 struct venus_inst *inst = to_inst(file);
1515
1516 venc_pm_get(inst);
1517
1518 v4l2_m2m_ctx_release(inst->m2m_ctx);
1519 v4l2_m2m_release(inst->m2m_dev);
1520 venc_ctrl_deinit(inst);
1521 hfi_session_destroy(inst);
1522 mutex_destroy(&inst->lock);
1523 mutex_destroy(&inst->ctx_q_lock);
1524 v4l2_fh_del(&inst->fh);
1525 v4l2_fh_exit(&inst->fh);
1526
1527 inst->enc_state = VENUS_ENC_STATE_DEINIT;
1528
1529 venc_pm_put(inst, false);
1530
1531 kfree(inst);
1532 return 0;
1533 }
1534
1535 static const struct v4l2_file_operations venc_fops = {
1536 .owner = THIS_MODULE,
1537 .open = venc_open,
1538 .release = venc_close,
1539 .unlocked_ioctl = video_ioctl2,
1540 .poll = v4l2_m2m_fop_poll,
1541 .mmap = v4l2_m2m_fop_mmap,
1542 };
1543
venc_probe(struct platform_device * pdev)1544 static int venc_probe(struct platform_device *pdev)
1545 {
1546 struct device *dev = &pdev->dev;
1547 struct video_device *vdev;
1548 struct venus_core *core;
1549 int ret;
1550
1551 if (!dev->parent)
1552 return -EPROBE_DEFER;
1553
1554 core = dev_get_drvdata(dev->parent);
1555 if (!core)
1556 return -EPROBE_DEFER;
1557
1558 platform_set_drvdata(pdev, core);
1559
1560 if (core->pm_ops->venc_get) {
1561 ret = core->pm_ops->venc_get(dev);
1562 if (ret)
1563 return ret;
1564 }
1565
1566 vdev = video_device_alloc();
1567 if (!vdev)
1568 return -ENOMEM;
1569
1570 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1571 vdev->release = video_device_release;
1572 vdev->fops = &venc_fops;
1573 vdev->ioctl_ops = &venc_ioctl_ops;
1574 vdev->vfl_dir = VFL_DIR_M2M;
1575 vdev->v4l2_dev = &core->v4l2_dev;
1576 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1577
1578 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1579 if (ret)
1580 goto err_vdev_release;
1581
1582 core->vdev_enc = vdev;
1583 core->dev_enc = dev;
1584
1585 video_set_drvdata(vdev, core);
1586 pm_runtime_set_autosuspend_delay(dev, 2000);
1587 pm_runtime_use_autosuspend(dev);
1588 pm_runtime_enable(dev);
1589
1590 return 0;
1591
1592 err_vdev_release:
1593 video_device_release(vdev);
1594 return ret;
1595 }
1596
venc_remove(struct platform_device * pdev)1597 static void venc_remove(struct platform_device *pdev)
1598 {
1599 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1600
1601 video_unregister_device(core->vdev_enc);
1602 pm_runtime_disable(core->dev_enc);
1603
1604 if (core->pm_ops->venc_put)
1605 core->pm_ops->venc_put(core->dev_enc);
1606 }
1607
venc_runtime_suspend(struct device * dev)1608 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1609 {
1610 struct venus_core *core = dev_get_drvdata(dev);
1611 const struct venus_pm_ops *pm_ops = core->pm_ops;
1612 int ret = 0;
1613
1614 if (pm_ops->venc_power)
1615 ret = pm_ops->venc_power(dev, POWER_OFF);
1616
1617 return ret;
1618 }
1619
venc_runtime_resume(struct device * dev)1620 static __maybe_unused int venc_runtime_resume(struct device *dev)
1621 {
1622 struct venus_core *core = dev_get_drvdata(dev);
1623 const struct venus_pm_ops *pm_ops = core->pm_ops;
1624 int ret = 0;
1625
1626 if (pm_ops->venc_power)
1627 ret = pm_ops->venc_power(dev, POWER_ON);
1628
1629 return ret;
1630 }
1631
1632 static const struct dev_pm_ops venc_pm_ops = {
1633 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1634 pm_runtime_force_resume)
1635 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1636 };
1637
1638 static const struct of_device_id venc_dt_match[] = {
1639 { .compatible = "venus-encoder" },
1640 { }
1641 };
1642 MODULE_DEVICE_TABLE(of, venc_dt_match);
1643
1644 static struct platform_driver qcom_venus_enc_driver = {
1645 .probe = venc_probe,
1646 .remove_new = venc_remove,
1647 .driver = {
1648 .name = "qcom-venus-encoder",
1649 .of_match_table = venc_dt_match,
1650 .pm = &venc_pm_ops,
1651 },
1652 };
1653 module_platform_driver(qcom_venus_enc_driver);
1654
1655 MODULE_ALIAS("platform:qcom-venus-encoder");
1656 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1657 MODULE_LICENSE("GPL v2");
1658