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