1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2017 Linaro Ltd.
5 */
6 #include <linux/clk.h>
7 #include <linux/module.h>
8 #include <linux/mod_devicetable.h>
9 #include <linux/platform_device.h>
10 #include <linux/pm_runtime.h>
11 #include <linux/slab.h>
12 #include <media/v4l2-mem2mem.h>
13 #include <media/videobuf2-dma-contig.h>
14 #include <media/v4l2-ioctl.h>
15 #include <media/v4l2-event.h>
16 #include <media/v4l2-ctrls.h>
17
18 #include "hfi_venus_io.h"
19 #include "hfi_parser.h"
20 #include "core.h"
21 #include "helpers.h"
22 #include "venc.h"
23 #include "pm_helpers.h"
24
25 #define NUM_B_FRAMES_MAX 4
26
27 /*
28 * Three resons to keep MPLANE formats (despite that the number of planes
29 * currently is one):
30 * - the MPLANE formats allow only one plane to be used
31 * - the downstream driver use MPLANE formats too
32 * - future firmware versions could add support for >1 planes
33 */
34 static const struct venus_format venc_formats[] = {
35 {
36 .pixfmt = V4L2_PIX_FMT_NV12,
37 .num_planes = 1,
38 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
39 }, {
40 .pixfmt = V4L2_PIX_FMT_MPEG4,
41 .num_planes = 1,
42 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
43 }, {
44 .pixfmt = V4L2_PIX_FMT_H263,
45 .num_planes = 1,
46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
47 }, {
48 .pixfmt = V4L2_PIX_FMT_H264,
49 .num_planes = 1,
50 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
51 }, {
52 .pixfmt = V4L2_PIX_FMT_VP8,
53 .num_planes = 1,
54 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
55 }, {
56 .pixfmt = V4L2_PIX_FMT_HEVC,
57 .num_planes = 1,
58 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
59 },
60 };
61
62 static const struct venus_format *
find_format(struct venus_inst * inst,u32 pixfmt,u32 type)63 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
64 {
65 const struct venus_format *fmt = venc_formats;
66 unsigned int size = ARRAY_SIZE(venc_formats);
67 unsigned int i;
68
69 for (i = 0; i < size; i++) {
70 if (fmt[i].pixfmt == pixfmt)
71 break;
72 }
73
74 if (i == size || fmt[i].type != type)
75 return NULL;
76
77 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
78 !venus_helper_check_codec(inst, fmt[i].pixfmt))
79 return NULL;
80
81 return &fmt[i];
82 }
83
84 static const struct venus_format *
find_format_by_index(struct venus_inst * inst,unsigned int index,u32 type)85 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
86 {
87 const struct venus_format *fmt = venc_formats;
88 unsigned int size = ARRAY_SIZE(venc_formats);
89 unsigned int i, k = 0;
90
91 if (index > size)
92 return NULL;
93
94 for (i = 0; i < size; i++) {
95 bool valid;
96
97 if (fmt[i].type != type)
98 continue;
99 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
100 venus_helper_check_codec(inst, fmt[i].pixfmt);
101 if (k == index && valid)
102 break;
103 if (valid)
104 k++;
105 }
106
107 if (i == size)
108 return NULL;
109
110 return &fmt[i];
111 }
112
venc_v4l2_to_hfi(int id,int value)113 static int venc_v4l2_to_hfi(int id, int value)
114 {
115 switch (id) {
116 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
117 switch (value) {
118 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
119 default:
120 return HFI_H264_ENTROPY_CAVLC;
121 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
122 return HFI_H264_ENTROPY_CABAC;
123 }
124 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
125 switch (value) {
126 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
127 default:
128 return HFI_H264_DB_MODE_ALL_BOUNDARY;
129 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
130 return HFI_H264_DB_MODE_DISABLE;
131 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
132 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
133 }
134 }
135
136 return 0;
137 }
138
139 static int
venc_querycap(struct file * file,void * fh,struct v4l2_capability * cap)140 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
141 {
142 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
143 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
144 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
145
146 return 0;
147 }
148
venc_enum_fmt(struct file * file,void * fh,struct v4l2_fmtdesc * f)149 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
150 {
151 struct venus_inst *inst = to_inst(file);
152 const struct venus_format *fmt;
153
154 fmt = find_format_by_index(inst, f->index, f->type);
155
156 memset(f->reserved, 0, sizeof(f->reserved));
157
158 if (!fmt)
159 return -EINVAL;
160
161 f->pixelformat = fmt->pixfmt;
162
163 return 0;
164 }
165
166 static const struct venus_format *
venc_try_fmt_common(struct venus_inst * inst,struct v4l2_format * f)167 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
168 {
169 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
170 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
171 const struct venus_format *fmt;
172 u32 sizeimage;
173
174 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
175 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
176
177 fmt = find_format(inst, pixmp->pixelformat, f->type);
178 if (!fmt) {
179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
180 pixmp->pixelformat = V4L2_PIX_FMT_H264;
181 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
182 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
183 else
184 return NULL;
185 fmt = find_format(inst, pixmp->pixelformat, f->type);
186 if (!fmt)
187 return NULL;
188 }
189
190 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
191 frame_width_max(inst));
192 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
193 frame_height_max(inst));
194
195 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
196 pixmp->width = ALIGN(pixmp->width, 128);
197 pixmp->height = ALIGN(pixmp->height, 32);
198 }
199
200 pixmp->width = ALIGN(pixmp->width, 2);
201 pixmp->height = ALIGN(pixmp->height, 2);
202
203 if (pixmp->field == V4L2_FIELD_ANY)
204 pixmp->field = V4L2_FIELD_NONE;
205 pixmp->num_planes = fmt->num_planes;
206 pixmp->flags = 0;
207
208 sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
209 pixmp->width,
210 pixmp->height);
211 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
212
213 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
214 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
215 else
216 pfmt[0].bytesperline = 0;
217
218 return fmt;
219 }
220
venc_try_fmt(struct file * file,void * fh,struct v4l2_format * f)221 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
222 {
223 struct venus_inst *inst = to_inst(file);
224
225 venc_try_fmt_common(inst, f);
226
227 return 0;
228 }
229
venc_s_fmt(struct file * file,void * fh,struct v4l2_format * f)230 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
231 {
232 struct venus_inst *inst = to_inst(file);
233 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
234 struct v4l2_pix_format_mplane orig_pixmp;
235 const struct venus_format *fmt;
236 struct v4l2_format format;
237 u32 pixfmt_out = 0, pixfmt_cap = 0;
238 struct vb2_queue *q;
239
240 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
241 if (!q)
242 return -EINVAL;
243
244 if (vb2_is_busy(q))
245 return -EBUSY;
246
247 orig_pixmp = *pixmp;
248
249 fmt = venc_try_fmt_common(inst, f);
250 if (!fmt)
251 return -EINVAL;
252
253 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
254 pixfmt_out = pixmp->pixelformat;
255 pixfmt_cap = inst->fmt_cap->pixfmt;
256 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
257 pixfmt_cap = pixmp->pixelformat;
258 pixfmt_out = inst->fmt_out->pixfmt;
259 }
260
261 memset(&format, 0, sizeof(format));
262
263 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
264 format.fmt.pix_mp.pixelformat = pixfmt_out;
265 format.fmt.pix_mp.width = orig_pixmp.width;
266 format.fmt.pix_mp.height = orig_pixmp.height;
267 venc_try_fmt_common(inst, &format);
268
269 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
270 inst->out_width = format.fmt.pix_mp.width;
271 inst->out_height = format.fmt.pix_mp.height;
272 inst->colorspace = pixmp->colorspace;
273 inst->ycbcr_enc = pixmp->ycbcr_enc;
274 inst->quantization = pixmp->quantization;
275 inst->xfer_func = pixmp->xfer_func;
276 }
277
278 memset(&format, 0, sizeof(format));
279
280 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
281 format.fmt.pix_mp.pixelformat = pixfmt_cap;
282 format.fmt.pix_mp.width = orig_pixmp.width;
283 format.fmt.pix_mp.height = orig_pixmp.height;
284 venc_try_fmt_common(inst, &format);
285
286 inst->width = format.fmt.pix_mp.width;
287 inst->height = format.fmt.pix_mp.height;
288
289 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
290 inst->fmt_out = fmt;
291 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
292 inst->fmt_cap = fmt;
293 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
294 }
295
296 return 0;
297 }
298
venc_g_fmt(struct file * file,void * fh,struct v4l2_format * f)299 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
300 {
301 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
302 struct venus_inst *inst = to_inst(file);
303 const struct venus_format *fmt;
304
305 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
306 fmt = inst->fmt_cap;
307 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
308 fmt = inst->fmt_out;
309 else
310 return -EINVAL;
311
312 pixmp->pixelformat = fmt->pixfmt;
313
314 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
315 pixmp->width = inst->width;
316 pixmp->height = inst->height;
317 pixmp->colorspace = inst->colorspace;
318 pixmp->ycbcr_enc = inst->ycbcr_enc;
319 pixmp->quantization = inst->quantization;
320 pixmp->xfer_func = inst->xfer_func;
321 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
322 pixmp->width = inst->out_width;
323 pixmp->height = inst->out_height;
324 }
325
326 venc_try_fmt_common(inst, f);
327
328 return 0;
329 }
330
331 static int
venc_g_selection(struct file * file,void * fh,struct v4l2_selection * s)332 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
333 {
334 struct venus_inst *inst = to_inst(file);
335
336 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
337 return -EINVAL;
338
339 switch (s->target) {
340 case V4L2_SEL_TGT_CROP_DEFAULT:
341 case V4L2_SEL_TGT_CROP_BOUNDS:
342 s->r.width = inst->out_width;
343 s->r.height = inst->out_height;
344 break;
345 case V4L2_SEL_TGT_CROP:
346 s->r.width = inst->width;
347 s->r.height = inst->height;
348 break;
349 default:
350 return -EINVAL;
351 }
352
353 s->r.top = 0;
354 s->r.left = 0;
355
356 return 0;
357 }
358
359 static int
venc_s_selection(struct file * file,void * fh,struct v4l2_selection * s)360 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
361 {
362 struct venus_inst *inst = to_inst(file);
363
364 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
365 return -EINVAL;
366
367 if (s->r.width > inst->out_width ||
368 s->r.height > inst->out_height)
369 return -EINVAL;
370
371 s->r.width = ALIGN(s->r.width, 2);
372 s->r.height = ALIGN(s->r.height, 2);
373
374 switch (s->target) {
375 case V4L2_SEL_TGT_CROP:
376 s->r.top = 0;
377 s->r.left = 0;
378 inst->width = s->r.width;
379 inst->height = s->r.height;
380 break;
381 default:
382 return -EINVAL;
383 }
384
385 return 0;
386 }
387
venc_s_parm(struct file * file,void * fh,struct v4l2_streamparm * a)388 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
389 {
390 struct venus_inst *inst = to_inst(file);
391 struct v4l2_outputparm *out = &a->parm.output;
392 struct v4l2_fract *timeperframe = &out->timeperframe;
393 u64 us_per_frame, fps;
394
395 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
396 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
397 return -EINVAL;
398
399 memset(out->reserved, 0, sizeof(out->reserved));
400
401 if (!timeperframe->denominator)
402 timeperframe->denominator = inst->timeperframe.denominator;
403 if (!timeperframe->numerator)
404 timeperframe->numerator = inst->timeperframe.numerator;
405
406 out->capability = V4L2_CAP_TIMEPERFRAME;
407
408 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
409 do_div(us_per_frame, timeperframe->denominator);
410
411 if (!us_per_frame)
412 return -EINVAL;
413
414 fps = (u64)USEC_PER_SEC;
415 do_div(fps, us_per_frame);
416
417 inst->timeperframe = *timeperframe;
418 inst->fps = fps;
419
420 return 0;
421 }
422
venc_g_parm(struct file * file,void * fh,struct v4l2_streamparm * a)423 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
424 {
425 struct venus_inst *inst = to_inst(file);
426
427 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
428 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
429 return -EINVAL;
430
431 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
432 a->parm.output.timeperframe = inst->timeperframe;
433
434 return 0;
435 }
436
venc_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)437 static int venc_enum_framesizes(struct file *file, void *fh,
438 struct v4l2_frmsizeenum *fsize)
439 {
440 struct venus_inst *inst = to_inst(file);
441 const struct venus_format *fmt;
442
443 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
444
445 fmt = find_format(inst, fsize->pixel_format,
446 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
447 if (!fmt) {
448 fmt = find_format(inst, fsize->pixel_format,
449 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
450 if (!fmt)
451 return -EINVAL;
452 }
453
454 if (fsize->index)
455 return -EINVAL;
456
457 fsize->stepwise.min_width = frame_width_min(inst);
458 fsize->stepwise.max_width = frame_width_max(inst);
459 fsize->stepwise.step_width = frame_width_step(inst);
460 fsize->stepwise.min_height = frame_height_min(inst);
461 fsize->stepwise.max_height = frame_height_max(inst);
462 fsize->stepwise.step_height = frame_height_step(inst);
463
464 return 0;
465 }
466
venc_enum_frameintervals(struct file * file,void * fh,struct v4l2_frmivalenum * fival)467 static int venc_enum_frameintervals(struct file *file, void *fh,
468 struct v4l2_frmivalenum *fival)
469 {
470 struct venus_inst *inst = to_inst(file);
471 const struct venus_format *fmt;
472 unsigned int framerate_factor = 1;
473
474 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
475
476 fmt = find_format(inst, fival->pixel_format,
477 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
478 if (!fmt) {
479 fmt = find_format(inst, fival->pixel_format,
480 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
481 if (!fmt)
482 return -EINVAL;
483 }
484
485 if (fival->index)
486 return -EINVAL;
487
488 if (!fival->width || !fival->height)
489 return -EINVAL;
490
491 if (fival->width > frame_width_max(inst) ||
492 fival->width < frame_width_min(inst) ||
493 fival->height > frame_height_max(inst) ||
494 fival->height < frame_height_min(inst))
495 return -EINVAL;
496
497 if (IS_V1(inst->core)) {
498 /* framerate is reported in 1/65535 fps unit */
499 framerate_factor = (1 << 16);
500 }
501
502 fival->stepwise.min.numerator = 1;
503 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
504 fival->stepwise.max.numerator = 1;
505 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
506 fival->stepwise.step.numerator = 1;
507 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
508
509 return 0;
510 }
511
512 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
513 .vidioc_querycap = venc_querycap,
514 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
515 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
516 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
517 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
518 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
519 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
520 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
521 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
522 .vidioc_g_selection = venc_g_selection,
523 .vidioc_s_selection = venc_s_selection,
524 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
525 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
526 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
527 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
528 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
529 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
530 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
531 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
532 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
533 .vidioc_s_parm = venc_s_parm,
534 .vidioc_g_parm = venc_g_parm,
535 .vidioc_enum_framesizes = venc_enum_framesizes,
536 .vidioc_enum_frameintervals = venc_enum_frameintervals,
537 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
538 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
539 };
540
venc_set_properties(struct venus_inst * inst)541 static int venc_set_properties(struct venus_inst *inst)
542 {
543 struct venc_controls *ctr = &inst->controls.enc;
544 struct hfi_intra_period intra_period;
545 struct hfi_framerate frate;
546 struct hfi_bitrate brate;
547 struct hfi_idr_period idrp;
548 struct hfi_quantization quant;
549 struct hfi_quantization_range quant_range;
550 struct hfi_enable en;
551 struct hfi_ltr_mode ltr_mode;
552 struct hfi_intra_refresh intra_refresh = {};
553 u32 ptype, rate_control, bitrate;
554 u32 profile, level;
555 int ret;
556
557 ret = venus_helper_set_work_mode(inst);
558 if (ret)
559 return ret;
560
561 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
562 frate.buffer_type = HFI_BUFFER_OUTPUT;
563 frate.framerate = inst->fps * (1 << 16);
564
565 ret = hfi_session_set_property(inst, ptype, &frate);
566 if (ret)
567 return ret;
568
569 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
570 struct hfi_h264_vui_timing_info info;
571 struct hfi_h264_entropy_control entropy;
572 struct hfi_h264_db_control deblock;
573 struct hfi_h264_8x8_transform h264_transform;
574
575 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
576 info.enable = 1;
577 info.fixed_framerate = 1;
578 info.time_scale = NSEC_PER_SEC;
579
580 ret = hfi_session_set_property(inst, ptype, &info);
581 if (ret)
582 return ret;
583
584 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
585 entropy.entropy_mode = venc_v4l2_to_hfi(
586 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
587 ctr->h264_entropy_mode);
588 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
589
590 ret = hfi_session_set_property(inst, ptype, &entropy);
591 if (ret)
592 return ret;
593
594 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
595 deblock.mode = venc_v4l2_to_hfi(
596 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
597 ctr->h264_loop_filter_mode);
598 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
599 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
600
601 ret = hfi_session_set_property(inst, ptype, &deblock);
602 if (ret)
603 return ret;
604
605 ptype = HFI_PROPERTY_PARAM_VENC_H264_TRANSFORM_8X8;
606 h264_transform.enable_type = 0;
607 if (ctr->profile.h264 == HFI_H264_PROFILE_HIGH ||
608 ctr->profile.h264 == HFI_H264_PROFILE_CONSTRAINED_HIGH)
609 h264_transform.enable_type = ctr->h264_8x8_transform;
610
611 ret = hfi_session_set_property(inst, ptype, &h264_transform);
612 if (ret)
613 return ret;
614
615 }
616
617 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
618 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
619 /* IDR periodicity, n:
620 * n = 0 - only the first I-frame is IDR frame
621 * n = 1 - all I-frames will be IDR frames
622 * n > 1 - every n-th I-frame will be IDR frame
623 */
624 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
625 idrp.idr_period = 0;
626 ret = hfi_session_set_property(inst, ptype, &idrp);
627 if (ret)
628 return ret;
629 }
630
631 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
632 struct hfi_hdr10_pq_sei hdr10;
633 unsigned int c;
634
635 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI;
636
637 for (c = 0; c < 3; c++) {
638 hdr10.mastering.display_primaries_x[c] =
639 ctr->mastering.display_primaries_x[c];
640 hdr10.mastering.display_primaries_y[c] =
641 ctr->mastering.display_primaries_y[c];
642 }
643
644 hdr10.mastering.white_point_x = ctr->mastering.white_point_x;
645 hdr10.mastering.white_point_y = ctr->mastering.white_point_y;
646 hdr10.mastering.max_display_mastering_luminance =
647 ctr->mastering.max_display_mastering_luminance;
648 hdr10.mastering.min_display_mastering_luminance =
649 ctr->mastering.min_display_mastering_luminance;
650
651 hdr10.cll.max_content_light = ctr->cll.max_content_light_level;
652 hdr10.cll.max_pic_average_light =
653 ctr->cll.max_pic_average_light_level;
654
655 ret = hfi_session_set_property(inst, ptype, &hdr10);
656 if (ret)
657 return ret;
658 }
659
660 if (ctr->num_b_frames) {
661 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
662
663 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
664 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
665 if (ret)
666 return ret;
667 }
668
669 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
670 intra_period.pframes = ctr->num_p_frames;
671 intra_period.bframes = ctr->num_b_frames;
672
673 ret = hfi_session_set_property(inst, ptype, &intra_period);
674 if (ret)
675 return ret;
676
677 if (!ctr->rc_enable)
678 rate_control = HFI_RATE_CONTROL_OFF;
679 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
680 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
681 HFI_RATE_CONTROL_VBR_CFR;
682 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
683 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
684 HFI_RATE_CONTROL_CBR_CFR;
685 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
686 rate_control = HFI_RATE_CONTROL_CQ;
687
688 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
689 ret = hfi_session_set_property(inst, ptype, &rate_control);
690 if (ret)
691 return ret;
692
693 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
694 struct hfi_heic_frame_quality quality = {};
695
696 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
697 quality.frame_quality = ctr->const_quality;
698 ret = hfi_session_set_property(inst, ptype, &quality);
699 if (ret)
700 return ret;
701 }
702
703 if (!ctr->bitrate)
704 bitrate = 64000;
705 else
706 bitrate = ctr->bitrate;
707
708 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
709 brate.bitrate = bitrate;
710 brate.layer_id = 0;
711
712 ret = hfi_session_set_property(inst, ptype, &brate);
713 if (ret)
714 return ret;
715
716 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
717 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
718 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
719 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
720 en.enable = 0;
721 else
722 en.enable = 1;
723
724 ret = hfi_session_set_property(inst, ptype, &en);
725 if (ret)
726 return ret;
727 }
728
729 if (!ctr->bitrate_peak)
730 bitrate *= 2;
731 else
732 bitrate = ctr->bitrate_peak;
733
734 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
735 brate.bitrate = bitrate;
736 brate.layer_id = 0;
737
738 ret = hfi_session_set_property(inst, ptype, &brate);
739 if (ret)
740 return ret;
741
742 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
743 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
744 quant.qp_i = ctr->hevc_i_qp;
745 quant.qp_p = ctr->hevc_p_qp;
746 quant.qp_b = ctr->hevc_b_qp;
747 } else {
748 quant.qp_i = ctr->h264_i_qp;
749 quant.qp_p = ctr->h264_p_qp;
750 quant.qp_b = ctr->h264_b_qp;
751 }
752 quant.layer_id = 0;
753 ret = hfi_session_set_property(inst, ptype, &quant);
754 if (ret)
755 return ret;
756
757 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
758 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
759 quant_range.min_qp = ctr->hevc_min_qp;
760 quant_range.max_qp = ctr->hevc_max_qp;
761 } else {
762 quant_range.min_qp = ctr->h264_min_qp;
763 quant_range.max_qp = ctr->h264_max_qp;
764 }
765 quant_range.layer_id = 0;
766 ret = hfi_session_set_property(inst, ptype, &quant_range);
767 if (ret)
768 return ret;
769
770 ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE;
771 ltr_mode.ltr_count = ctr->ltr_count;
772 ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL;
773 ltr_mode.trust_mode = 1;
774 ret = hfi_session_set_property(inst, ptype, <r_mode);
775 if (ret)
776 return ret;
777
778 switch (inst->hfi_codec) {
779 case HFI_VIDEO_CODEC_H264:
780 profile = ctr->profile.h264;
781 level = ctr->level.h264;
782 break;
783 case HFI_VIDEO_CODEC_MPEG4:
784 profile = ctr->profile.mpeg4;
785 level = ctr->level.mpeg4;
786 break;
787 case HFI_VIDEO_CODEC_VP8:
788 profile = ctr->profile.vp8;
789 level = 0;
790 break;
791 case HFI_VIDEO_CODEC_VP9:
792 profile = ctr->profile.vp9;
793 level = ctr->level.vp9;
794 break;
795 case HFI_VIDEO_CODEC_HEVC:
796 profile = ctr->profile.hevc;
797 level = ctr->level.hevc;
798 break;
799 case HFI_VIDEO_CODEC_MPEG2:
800 default:
801 profile = 0;
802 level = 0;
803 break;
804 }
805
806 ret = venus_helper_set_profile_level(inst, profile, level);
807 if (ret)
808 return ret;
809
810 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
811 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
812 struct hfi_enable en = {};
813
814 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
815
816 if (ctr->aud_enable)
817 en.enable = 1;
818
819 ret = hfi_session_set_property(inst, ptype, &en);
820 }
821
822 if ((inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
823 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) &&
824 (rate_control == HFI_RATE_CONTROL_CBR_VFR ||
825 rate_control == HFI_RATE_CONTROL_CBR_CFR)) {
826 intra_refresh.mode = HFI_INTRA_REFRESH_NONE;
827 intra_refresh.cir_mbs = 0;
828
829 if (ctr->intra_refresh_period) {
830 u32 mbs;
831
832 mbs = ALIGN(inst->width, 16) * ALIGN(inst->height, 16);
833 mbs /= 16 * 16;
834 if (mbs % ctr->intra_refresh_period)
835 mbs++;
836 mbs /= ctr->intra_refresh_period;
837
838 intra_refresh.mode = HFI_INTRA_REFRESH_RANDOM;
839 intra_refresh.cir_mbs = mbs;
840 }
841
842 ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH;
843
844 ret = hfi_session_set_property(inst, ptype, &intra_refresh);
845 if (ret)
846 return ret;
847 }
848
849 return 0;
850 }
851
venc_init_session(struct venus_inst * inst)852 static int venc_init_session(struct venus_inst *inst)
853 {
854 int ret;
855
856 ret = venus_helper_session_init(inst);
857 if (ret == -EALREADY)
858 return 0;
859 else if (ret)
860 return ret;
861
862 ret = venus_helper_set_stride(inst, inst->out_width,
863 inst->out_height);
864 if (ret)
865 goto deinit;
866
867 ret = venus_helper_set_input_resolution(inst, inst->width,
868 inst->height);
869 if (ret)
870 goto deinit;
871
872 ret = venus_helper_set_output_resolution(inst, inst->width,
873 inst->height,
874 HFI_BUFFER_OUTPUT);
875 if (ret)
876 goto deinit;
877
878 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
879 if (ret)
880 goto deinit;
881
882 ret = venc_set_properties(inst);
883 if (ret)
884 goto deinit;
885
886 return 0;
887 deinit:
888 hfi_session_deinit(inst);
889 return ret;
890 }
891
venc_out_num_buffers(struct venus_inst * inst,unsigned int * num)892 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
893 {
894 struct hfi_buffer_requirements bufreq;
895 int ret;
896
897 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
898 if (ret)
899 return ret;
900
901 *num = bufreq.count_actual;
902
903 return 0;
904 }
905
venc_queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])906 static int venc_queue_setup(struct vb2_queue *q,
907 unsigned int *num_buffers, unsigned int *num_planes,
908 unsigned int sizes[], struct device *alloc_devs[])
909 {
910 struct venus_inst *inst = vb2_get_drv_priv(q);
911 unsigned int num, min = 4;
912 int ret;
913
914 if (*num_planes) {
915 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
916 *num_planes != inst->fmt_out->num_planes)
917 return -EINVAL;
918
919 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
920 *num_planes != inst->fmt_cap->num_planes)
921 return -EINVAL;
922
923 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
924 sizes[0] < inst->input_buf_size)
925 return -EINVAL;
926
927 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
928 sizes[0] < inst->output_buf_size)
929 return -EINVAL;
930
931 return 0;
932 }
933
934 mutex_lock(&inst->lock);
935 ret = venc_init_session(inst);
936 mutex_unlock(&inst->lock);
937
938 if (ret)
939 return ret;
940
941 switch (q->type) {
942 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
943 *num_planes = inst->fmt_out->num_planes;
944
945 ret = venc_out_num_buffers(inst, &num);
946 if (ret)
947 break;
948
949 num = max(num, min);
950 *num_buffers = max(*num_buffers, num);
951 inst->num_input_bufs = *num_buffers;
952
953 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
954 inst->out_width,
955 inst->out_height);
956 inst->input_buf_size = sizes[0];
957 break;
958 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
959 *num_planes = inst->fmt_cap->num_planes;
960 *num_buffers = max(*num_buffers, min);
961 inst->num_output_bufs = *num_buffers;
962 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
963 inst->width,
964 inst->height);
965 sizes[0] = max(sizes[0], inst->output_buf_size);
966 inst->output_buf_size = sizes[0];
967 break;
968 default:
969 ret = -EINVAL;
970 break;
971 }
972
973 return ret;
974 }
975
venc_buf_init(struct vb2_buffer * vb)976 static int venc_buf_init(struct vb2_buffer *vb)
977 {
978 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
979
980 inst->buf_count++;
981
982 return venus_helper_vb2_buf_init(vb);
983 }
984
venc_release_session(struct venus_inst * inst)985 static void venc_release_session(struct venus_inst *inst)
986 {
987 int ret;
988
989 mutex_lock(&inst->lock);
990
991 ret = hfi_session_deinit(inst);
992 if (ret || inst->session_error)
993 hfi_session_abort(inst);
994
995 mutex_unlock(&inst->lock);
996
997 venus_pm_load_scale(inst);
998 INIT_LIST_HEAD(&inst->registeredbufs);
999 venus_pm_release_core(inst);
1000 }
1001
venc_buf_cleanup(struct vb2_buffer * vb)1002 static void venc_buf_cleanup(struct vb2_buffer *vb)
1003 {
1004 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1005 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1006 struct venus_buffer *buf = to_venus_buffer(vbuf);
1007
1008 mutex_lock(&inst->lock);
1009 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1010 if (!list_empty(&inst->registeredbufs))
1011 list_del_init(&buf->reg_list);
1012 mutex_unlock(&inst->lock);
1013
1014 inst->buf_count--;
1015 if (!inst->buf_count)
1016 venc_release_session(inst);
1017 }
1018
venc_verify_conf(struct venus_inst * inst)1019 static int venc_verify_conf(struct venus_inst *inst)
1020 {
1021 enum hfi_version ver = inst->core->res->hfi_version;
1022 struct hfi_buffer_requirements bufreq;
1023 int ret;
1024
1025 if (!inst->num_input_bufs || !inst->num_output_bufs)
1026 return -EINVAL;
1027
1028 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
1029 if (ret)
1030 return ret;
1031
1032 if (inst->num_output_bufs < bufreq.count_actual ||
1033 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
1034 return -EINVAL;
1035
1036 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
1037 if (ret)
1038 return ret;
1039
1040 if (inst->num_input_bufs < bufreq.count_actual ||
1041 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
1042 return -EINVAL;
1043
1044 return 0;
1045 }
1046
venc_start_streaming(struct vb2_queue * q,unsigned int count)1047 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
1048 {
1049 struct venus_inst *inst = vb2_get_drv_priv(q);
1050 int ret;
1051
1052 mutex_lock(&inst->lock);
1053
1054 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1055 inst->streamon_out = 1;
1056 else
1057 inst->streamon_cap = 1;
1058
1059 if (!(inst->streamon_out & inst->streamon_cap)) {
1060 mutex_unlock(&inst->lock);
1061 return 0;
1062 }
1063
1064 venus_helper_init_instance(inst);
1065
1066 inst->sequence_cap = 0;
1067 inst->sequence_out = 0;
1068
1069 ret = venus_pm_acquire_core(inst);
1070 if (ret)
1071 goto error;
1072
1073 ret = venc_set_properties(inst);
1074 if (ret)
1075 goto error;
1076
1077 ret = venc_verify_conf(inst);
1078 if (ret)
1079 goto error;
1080
1081 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1082 inst->num_output_bufs, 0);
1083 if (ret)
1084 goto error;
1085
1086 ret = venus_helper_vb2_start_streaming(inst);
1087 if (ret)
1088 goto error;
1089
1090 mutex_unlock(&inst->lock);
1091
1092 return 0;
1093
1094 error:
1095 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1096 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1097 inst->streamon_out = 0;
1098 else
1099 inst->streamon_cap = 0;
1100 mutex_unlock(&inst->lock);
1101 return ret;
1102 }
1103
venc_vb2_buf_queue(struct vb2_buffer * vb)1104 static void venc_vb2_buf_queue(struct vb2_buffer *vb)
1105 {
1106 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1107
1108 mutex_lock(&inst->lock);
1109 venus_helper_vb2_buf_queue(vb);
1110 mutex_unlock(&inst->lock);
1111 }
1112
1113 static const struct vb2_ops venc_vb2_ops = {
1114 .queue_setup = venc_queue_setup,
1115 .buf_init = venc_buf_init,
1116 .buf_cleanup = venc_buf_cleanup,
1117 .buf_prepare = venus_helper_vb2_buf_prepare,
1118 .start_streaming = venc_start_streaming,
1119 .stop_streaming = venus_helper_vb2_stop_streaming,
1120 .buf_queue = venc_vb2_buf_queue,
1121 };
1122
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)1123 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1124 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1125 u32 hfi_flags, u64 timestamp_us)
1126 {
1127 struct vb2_v4l2_buffer *vbuf;
1128 struct vb2_buffer *vb;
1129 unsigned int type;
1130
1131 if (buf_type == HFI_BUFFER_INPUT)
1132 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1133 else
1134 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1135
1136 vbuf = venus_helper_find_buf(inst, type, tag);
1137 if (!vbuf)
1138 return;
1139
1140 vbuf->flags = flags;
1141
1142 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1143 vb = &vbuf->vb2_buf;
1144 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1145 vb->planes[0].data_offset = data_offset;
1146 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1147 vbuf->sequence = inst->sequence_cap++;
1148 } else {
1149 vbuf->sequence = inst->sequence_out++;
1150 }
1151
1152 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1153 }
1154
venc_event_notify(struct venus_inst * inst,u32 event,struct hfi_event_data * data)1155 static void venc_event_notify(struct venus_inst *inst, u32 event,
1156 struct hfi_event_data *data)
1157 {
1158 struct device *dev = inst->core->dev_enc;
1159
1160 if (event == EVT_SESSION_ERROR) {
1161 inst->session_error = true;
1162 dev_err(dev, "enc: event session error %x\n", inst->error);
1163 }
1164 }
1165
1166 static const struct hfi_inst_ops venc_hfi_ops = {
1167 .buf_done = venc_buf_done,
1168 .event_notify = venc_event_notify,
1169 };
1170
1171 static const struct v4l2_m2m_ops venc_m2m_ops = {
1172 .device_run = venus_helper_m2m_device_run,
1173 .job_abort = venus_helper_m2m_job_abort,
1174 };
1175
m2m_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)1176 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1177 struct vb2_queue *dst_vq)
1178 {
1179 struct venus_inst *inst = priv;
1180 int ret;
1181
1182 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1183 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1184 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1185 src_vq->ops = &venc_vb2_ops;
1186 src_vq->mem_ops = &vb2_dma_contig_memops;
1187 src_vq->drv_priv = inst;
1188 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1189 src_vq->allow_zero_bytesused = 1;
1190 src_vq->min_buffers_needed = 1;
1191 src_vq->dev = inst->core->dev;
1192 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1193 src_vq->bidirectional = 1;
1194 ret = vb2_queue_init(src_vq);
1195 if (ret)
1196 return ret;
1197
1198 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1199 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1200 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1201 dst_vq->ops = &venc_vb2_ops;
1202 dst_vq->mem_ops = &vb2_dma_contig_memops;
1203 dst_vq->drv_priv = inst;
1204 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1205 dst_vq->allow_zero_bytesused = 1;
1206 dst_vq->min_buffers_needed = 1;
1207 dst_vq->dev = inst->core->dev;
1208 return vb2_queue_init(dst_vq);
1209 }
1210
venc_inst_init(struct venus_inst * inst)1211 static void venc_inst_init(struct venus_inst *inst)
1212 {
1213 inst->fmt_cap = &venc_formats[3];
1214 inst->fmt_out = &venc_formats[0];
1215 inst->width = 1280;
1216 inst->height = ALIGN(720, 32);
1217 inst->out_width = 1280;
1218 inst->out_height = 720;
1219 inst->fps = 15;
1220 inst->timeperframe.numerator = 1;
1221 inst->timeperframe.denominator = 15;
1222 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1223 }
1224
venc_open(struct file * file)1225 static int venc_open(struct file *file)
1226 {
1227 struct venus_core *core = video_drvdata(file);
1228 struct venus_inst *inst;
1229 int ret;
1230
1231 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1232 if (!inst)
1233 return -ENOMEM;
1234
1235 INIT_LIST_HEAD(&inst->dpbbufs);
1236 INIT_LIST_HEAD(&inst->registeredbufs);
1237 INIT_LIST_HEAD(&inst->internalbufs);
1238 INIT_LIST_HEAD(&inst->list);
1239 mutex_init(&inst->lock);
1240
1241 inst->core = core;
1242 inst->session_type = VIDC_SESSION_TYPE_ENC;
1243 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1244 inst->core_acquired = false;
1245
1246 venus_helper_init_instance(inst);
1247
1248 ret = pm_runtime_resume_and_get(core->dev_enc);
1249 if (ret < 0)
1250 goto err_free;
1251
1252 ret = venc_ctrl_init(inst);
1253 if (ret)
1254 goto err_put_sync;
1255
1256 ret = hfi_session_create(inst, &venc_hfi_ops);
1257 if (ret)
1258 goto err_ctrl_deinit;
1259
1260 venc_inst_init(inst);
1261
1262 /*
1263 * create m2m device for every instance, the m2m context scheduling
1264 * is made by firmware side so we do not need to care about.
1265 */
1266 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1267 if (IS_ERR(inst->m2m_dev)) {
1268 ret = PTR_ERR(inst->m2m_dev);
1269 goto err_session_destroy;
1270 }
1271
1272 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1273 if (IS_ERR(inst->m2m_ctx)) {
1274 ret = PTR_ERR(inst->m2m_ctx);
1275 goto err_m2m_release;
1276 }
1277
1278 v4l2_fh_init(&inst->fh, core->vdev_enc);
1279
1280 inst->fh.ctrl_handler = &inst->ctrl_handler;
1281 v4l2_fh_add(&inst->fh);
1282 inst->fh.m2m_ctx = inst->m2m_ctx;
1283 file->private_data = &inst->fh;
1284
1285 return 0;
1286
1287 err_m2m_release:
1288 v4l2_m2m_release(inst->m2m_dev);
1289 err_session_destroy:
1290 hfi_session_destroy(inst);
1291 err_ctrl_deinit:
1292 venc_ctrl_deinit(inst);
1293 err_put_sync:
1294 pm_runtime_put_sync(core->dev_enc);
1295 err_free:
1296 kfree(inst);
1297 return ret;
1298 }
1299
venc_close(struct file * file)1300 static int venc_close(struct file *file)
1301 {
1302 struct venus_inst *inst = to_inst(file);
1303
1304 v4l2_m2m_ctx_release(inst->m2m_ctx);
1305 v4l2_m2m_release(inst->m2m_dev);
1306 venc_ctrl_deinit(inst);
1307 hfi_session_destroy(inst);
1308 mutex_destroy(&inst->lock);
1309 v4l2_fh_del(&inst->fh);
1310 v4l2_fh_exit(&inst->fh);
1311
1312 pm_runtime_put_sync(inst->core->dev_enc);
1313
1314 kfree(inst);
1315 return 0;
1316 }
1317
1318 static const struct v4l2_file_operations venc_fops = {
1319 .owner = THIS_MODULE,
1320 .open = venc_open,
1321 .release = venc_close,
1322 .unlocked_ioctl = video_ioctl2,
1323 .poll = v4l2_m2m_fop_poll,
1324 .mmap = v4l2_m2m_fop_mmap,
1325 };
1326
venc_probe(struct platform_device * pdev)1327 static int venc_probe(struct platform_device *pdev)
1328 {
1329 struct device *dev = &pdev->dev;
1330 struct video_device *vdev;
1331 struct venus_core *core;
1332 int ret;
1333
1334 if (!dev->parent)
1335 return -EPROBE_DEFER;
1336
1337 core = dev_get_drvdata(dev->parent);
1338 if (!core)
1339 return -EPROBE_DEFER;
1340
1341 platform_set_drvdata(pdev, core);
1342
1343 if (core->pm_ops->venc_get) {
1344 ret = core->pm_ops->venc_get(dev);
1345 if (ret)
1346 return ret;
1347 }
1348
1349 vdev = video_device_alloc();
1350 if (!vdev)
1351 return -ENOMEM;
1352
1353 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1354 vdev->release = video_device_release;
1355 vdev->fops = &venc_fops;
1356 vdev->ioctl_ops = &venc_ioctl_ops;
1357 vdev->vfl_dir = VFL_DIR_M2M;
1358 vdev->v4l2_dev = &core->v4l2_dev;
1359 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1360
1361 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1362 if (ret)
1363 goto err_vdev_release;
1364
1365 core->vdev_enc = vdev;
1366 core->dev_enc = dev;
1367
1368 video_set_drvdata(vdev, core);
1369 pm_runtime_enable(dev);
1370
1371 return 0;
1372
1373 err_vdev_release:
1374 video_device_release(vdev);
1375 return ret;
1376 }
1377
venc_remove(struct platform_device * pdev)1378 static int venc_remove(struct platform_device *pdev)
1379 {
1380 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1381
1382 video_unregister_device(core->vdev_enc);
1383 pm_runtime_disable(core->dev_enc);
1384
1385 if (core->pm_ops->venc_put)
1386 core->pm_ops->venc_put(core->dev_enc);
1387
1388 return 0;
1389 }
1390
venc_runtime_suspend(struct device * dev)1391 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1392 {
1393 struct venus_core *core = dev_get_drvdata(dev);
1394 const struct venus_pm_ops *pm_ops = core->pm_ops;
1395 int ret = 0;
1396
1397 if (pm_ops->venc_power)
1398 ret = pm_ops->venc_power(dev, POWER_OFF);
1399
1400 return ret;
1401 }
1402
venc_runtime_resume(struct device * dev)1403 static __maybe_unused int venc_runtime_resume(struct device *dev)
1404 {
1405 struct venus_core *core = dev_get_drvdata(dev);
1406 const struct venus_pm_ops *pm_ops = core->pm_ops;
1407 int ret = 0;
1408
1409 if (pm_ops->venc_power)
1410 ret = pm_ops->venc_power(dev, POWER_ON);
1411
1412 return ret;
1413 }
1414
1415 static const struct dev_pm_ops venc_pm_ops = {
1416 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1417 pm_runtime_force_resume)
1418 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1419 };
1420
1421 static const struct of_device_id venc_dt_match[] = {
1422 { .compatible = "venus-encoder" },
1423 { }
1424 };
1425 MODULE_DEVICE_TABLE(of, venc_dt_match);
1426
1427 static struct platform_driver qcom_venus_enc_driver = {
1428 .probe = venc_probe,
1429 .remove = venc_remove,
1430 .driver = {
1431 .name = "qcom-venus-encoder",
1432 .of_match_table = venc_dt_match,
1433 .pm = &venc_pm_ops,
1434 },
1435 };
1436 module_platform_driver(qcom_venus_enc_driver);
1437
1438 MODULE_ALIAS("platform:qcom-venus-encoder");
1439 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1440 MODULE_LICENSE("GPL v2");
1441
