1
2
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4
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-ioctl.h>
13#include <media/v4l2-event.h>
14#include <media/v4l2-ctrls.h>
15#include <media/v4l2-mem2mem.h>
16#include <media/videobuf2-dma-sg.h>
17
18#include "hfi_venus_io.h"
19#include "hfi_parser.h"
20#include "core.h"
21#include "helpers.h"
22#include "vdec.h"
23#include "pm_helpers.h"
24
25
26
27
28
29
30
31
32static const struct venus_format vdec_formats[] = {
33 {
34 .pixfmt = V4L2_PIX_FMT_NV12,
35 .num_planes = 1,
36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
37 }, {
38 .pixfmt = V4L2_PIX_FMT_MPEG4,
39 .num_planes = 1,
40 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
41 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
42 }, {
43 .pixfmt = V4L2_PIX_FMT_MPEG2,
44 .num_planes = 1,
45 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
46 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
47 }, {
48 .pixfmt = V4L2_PIX_FMT_H263,
49 .num_planes = 1,
50 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
51 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
52 }, {
53 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
54 .num_planes = 1,
55 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
56 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
57 }, {
58 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
59 .num_planes = 1,
60 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
61 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
62 }, {
63 .pixfmt = V4L2_PIX_FMT_H264,
64 .num_planes = 1,
65 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
66 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
67 }, {
68 .pixfmt = V4L2_PIX_FMT_VP8,
69 .num_planes = 1,
70 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
71 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
72 }, {
73 .pixfmt = V4L2_PIX_FMT_VP9,
74 .num_planes = 1,
75 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
76 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
77 }, {
78 .pixfmt = V4L2_PIX_FMT_XVID,
79 .num_planes = 1,
80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
82 }, {
83 .pixfmt = V4L2_PIX_FMT_HEVC,
84 .num_planes = 1,
85 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
86 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
87 },
88};
89
90static const struct venus_format *
91find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
92{
93 const struct venus_format *fmt = vdec_formats;
94 unsigned int size = ARRAY_SIZE(vdec_formats);
95 unsigned int i;
96
97 for (i = 0; i < size; i++) {
98 if (fmt[i].pixfmt == pixfmt)
99 break;
100 }
101
102 if (i == size || fmt[i].type != type)
103 return NULL;
104
105 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
106 !venus_helper_check_codec(inst, fmt[i].pixfmt))
107 return NULL;
108
109 return &fmt[i];
110}
111
112static const struct venus_format *
113find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
114{
115 const struct venus_format *fmt = vdec_formats;
116 unsigned int size = ARRAY_SIZE(vdec_formats);
117 unsigned int i, k = 0;
118
119 if (index > size)
120 return NULL;
121
122 for (i = 0; i < size; i++) {
123 bool valid;
124
125 if (fmt[i].type != type)
126 continue;
127 valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ||
128 venus_helper_check_codec(inst, fmt[i].pixfmt);
129 if (k == index && valid)
130 break;
131 if (valid)
132 k++;
133 }
134
135 if (i == size)
136 return NULL;
137
138 return &fmt[i];
139}
140
141static const struct venus_format *
142vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
143{
144 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
145 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
146 const struct venus_format *fmt;
147 u32 szimage;
148
149 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
150 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
151
152 fmt = find_format(inst, pixmp->pixelformat, f->type);
153 if (!fmt) {
154 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
155 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
156 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
157 pixmp->pixelformat = V4L2_PIX_FMT_H264;
158 else
159 return NULL;
160 fmt = find_format(inst, pixmp->pixelformat, f->type);
161 }
162
163 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
164 frame_width_max(inst));
165 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
166 frame_height_max(inst));
167
168 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
169 pixmp->height = ALIGN(pixmp->height, 32);
170
171 if (pixmp->field == V4L2_FIELD_ANY)
172 pixmp->field = V4L2_FIELD_NONE;
173 pixmp->num_planes = fmt->num_planes;
174 pixmp->flags = 0;
175
176 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width,
177 pixmp->height);
178
179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
180 pfmt[0].sizeimage = szimage;
181 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
182 } else {
183 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M);
184 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage);
185 pfmt[0].bytesperline = 0;
186 }
187
188 return fmt;
189}
190
191static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
192{
193 struct venus_inst *inst = to_inst(file);
194
195 vdec_try_fmt_common(inst, f);
196
197 return 0;
198}
199
200static int vdec_check_src_change(struct venus_inst *inst)
201{
202 int ret;
203
204 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE &&
205 inst->codec_state == VENUS_DEC_STATE_INIT &&
206 !inst->reconfig)
207 return -EINVAL;
208
209 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE)
210 return 0;
211
212
213
214
215
216
217
218 if (inst->codec_state != VENUS_DEC_STATE_INIT)
219 goto done;
220
221 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig,
222 msecs_to_jiffies(100));
223 if (!ret)
224 return -EINVAL;
225
226 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) ||
227 !inst->reconfig)
228 dev_dbg(inst->core->dev, "%s: wrong state\n", __func__);
229
230done:
231 return 0;
232}
233
234static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
235{
236 struct venus_inst *inst = to_inst(file);
237 const struct venus_format *fmt = NULL;
238 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
239 int ret;
240
241 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
242 fmt = inst->fmt_cap;
243 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
244 fmt = inst->fmt_out;
245
246 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
247 ret = vdec_check_src_change(inst);
248 if (ret)
249 return ret;
250 }
251
252 pixmp->pixelformat = fmt->pixfmt;
253
254 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
255 pixmp->width = inst->width;
256 pixmp->height = inst->height;
257 pixmp->colorspace = inst->colorspace;
258 pixmp->ycbcr_enc = inst->ycbcr_enc;
259 pixmp->quantization = inst->quantization;
260 pixmp->xfer_func = inst->xfer_func;
261 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
262 pixmp->width = inst->out_width;
263 pixmp->height = inst->out_height;
264 }
265
266 vdec_try_fmt_common(inst, f);
267
268 return 0;
269}
270
271static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
272{
273 struct venus_inst *inst = to_inst(file);
274 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
275 struct v4l2_pix_format_mplane orig_pixmp;
276 const struct venus_format *fmt;
277 struct v4l2_format format;
278 u32 pixfmt_out = 0, pixfmt_cap = 0;
279 struct vb2_queue *q;
280
281 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
282 if (!q)
283 return -EINVAL;
284
285 if (vb2_is_busy(q))
286 return -EBUSY;
287
288 orig_pixmp = *pixmp;
289
290 fmt = vdec_try_fmt_common(inst, f);
291
292 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
293 pixfmt_out = pixmp->pixelformat;
294 pixfmt_cap = inst->fmt_cap->pixfmt;
295 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
296 pixfmt_cap = pixmp->pixelformat;
297 pixfmt_out = inst->fmt_out->pixfmt;
298 }
299
300 memset(&format, 0, sizeof(format));
301
302 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
303 format.fmt.pix_mp.pixelformat = pixfmt_out;
304 format.fmt.pix_mp.width = orig_pixmp.width;
305 format.fmt.pix_mp.height = orig_pixmp.height;
306 vdec_try_fmt_common(inst, &format);
307
308 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
309 inst->out_width = format.fmt.pix_mp.width;
310 inst->out_height = format.fmt.pix_mp.height;
311 inst->colorspace = pixmp->colorspace;
312 inst->ycbcr_enc = pixmp->ycbcr_enc;
313 inst->quantization = pixmp->quantization;
314 inst->xfer_func = pixmp->xfer_func;
315 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage;
316 }
317
318 memset(&format, 0, sizeof(format));
319
320 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
321 format.fmt.pix_mp.pixelformat = pixfmt_cap;
322 format.fmt.pix_mp.width = orig_pixmp.width;
323 format.fmt.pix_mp.height = orig_pixmp.height;
324 vdec_try_fmt_common(inst, &format);
325
326 inst->width = format.fmt.pix_mp.width;
327 inst->height = format.fmt.pix_mp.height;
328
329 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
330 inst->fmt_out = fmt;
331 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
332 inst->fmt_cap = fmt;
333
334 return 0;
335}
336
337static int
338vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
339{
340 struct venus_inst *inst = to_inst(file);
341
342 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
343 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
344 return -EINVAL;
345
346 switch (s->target) {
347 case V4L2_SEL_TGT_CROP_BOUNDS:
348 case V4L2_SEL_TGT_CROP_DEFAULT:
349 case V4L2_SEL_TGT_CROP:
350 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
351 return -EINVAL;
352 s->r.width = inst->out_width;
353 s->r.height = inst->out_height;
354 break;
355 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
356 case V4L2_SEL_TGT_COMPOSE_PADDED:
357 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
358 return -EINVAL;
359 s->r.width = inst->width;
360 s->r.height = inst->height;
361 break;
362 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
363 case V4L2_SEL_TGT_COMPOSE:
364 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
365 return -EINVAL;
366 s->r.width = inst->out_width;
367 s->r.height = inst->out_height;
368 break;
369 default:
370 return -EINVAL;
371 }
372
373 s->r.top = 0;
374 s->r.left = 0;
375
376 return 0;
377}
378
379static int
380vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
381{
382 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
383 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
384 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
385
386 return 0;
387}
388
389static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
390{
391 struct venus_inst *inst = to_inst(file);
392 const struct venus_format *fmt;
393
394 memset(f->reserved, 0, sizeof(f->reserved));
395
396 fmt = find_format_by_index(inst, f->index, f->type);
397 if (!fmt)
398 return -EINVAL;
399
400 f->pixelformat = fmt->pixfmt;
401 f->flags = fmt->flags;
402
403 return 0;
404}
405
406static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
407{
408 struct venus_inst *inst = to_inst(file);
409 struct v4l2_captureparm *cap = &a->parm.capture;
410 struct v4l2_fract *timeperframe = &cap->timeperframe;
411 u64 us_per_frame, fps;
412
413 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
414 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
415 return -EINVAL;
416
417 memset(cap->reserved, 0, sizeof(cap->reserved));
418 if (!timeperframe->denominator)
419 timeperframe->denominator = inst->timeperframe.denominator;
420 if (!timeperframe->numerator)
421 timeperframe->numerator = inst->timeperframe.numerator;
422 cap->readbuffers = 0;
423 cap->extendedmode = 0;
424 cap->capability = V4L2_CAP_TIMEPERFRAME;
425 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
426 do_div(us_per_frame, timeperframe->denominator);
427
428 if (!us_per_frame)
429 return -EINVAL;
430
431 fps = (u64)USEC_PER_SEC;
432 do_div(fps, us_per_frame);
433
434 inst->fps = fps;
435 inst->timeperframe = *timeperframe;
436
437 return 0;
438}
439
440static int vdec_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 fmt = find_format(inst, fsize->pixel_format,
447 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
448 if (!fmt) {
449 fmt = find_format(inst, fsize->pixel_format,
450 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
451 if (!fmt)
452 return -EINVAL;
453 }
454
455 if (fsize->index)
456 return -EINVAL;
457
458 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
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
470static int vdec_subscribe_event(struct v4l2_fh *fh,
471 const struct v4l2_event_subscription *sub)
472{
473 struct venus_inst *inst = container_of(fh, struct venus_inst, fh);
474 int ret;
475
476 switch (sub->type) {
477 case V4L2_EVENT_EOS:
478 return v4l2_event_subscribe(fh, sub, 2, NULL);
479 case V4L2_EVENT_SOURCE_CHANGE:
480 ret = v4l2_src_change_event_subscribe(fh, sub);
481 if (ret)
482 return ret;
483 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE;
484 return 0;
485 case V4L2_EVENT_CTRL:
486 return v4l2_ctrl_subscribe_event(fh, sub);
487 default:
488 return -EINVAL;
489 }
490}
491
492static int
493vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
494{
495 struct venus_inst *inst = to_inst(file);
496 struct hfi_frame_data fdata = {0};
497 int ret;
498
499 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
500 if (ret)
501 return ret;
502
503 mutex_lock(&inst->lock);
504
505 if (cmd->cmd == V4L2_DEC_CMD_STOP) {
506
507
508
509
510 if (!(inst->streamon_out && inst->streamon_cap))
511 goto unlock;
512
513 fdata.buffer_type = HFI_BUFFER_INPUT;
514 fdata.flags |= HFI_BUFFERFLAG_EOS;
515 fdata.device_addr = 0xdeadb000;
516
517 ret = hfi_session_process_buf(inst, &fdata);
518
519 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING)
520 inst->codec_state = VENUS_DEC_STATE_DRAIN;
521 }
522
523unlock:
524 mutex_unlock(&inst->lock);
525 return ret;
526}
527
528static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
529 .vidioc_querycap = vdec_querycap,
530 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt,
531 .vidioc_enum_fmt_vid_out = vdec_enum_fmt,
532 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
533 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
534 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
535 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
536 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
537 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
538 .vidioc_g_selection = vdec_g_selection,
539 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
540 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
541 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
542 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
543 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
544 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
545 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
546 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
547 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
548 .vidioc_s_parm = vdec_s_parm,
549 .vidioc_enum_framesizes = vdec_enum_framesizes,
550 .vidioc_subscribe_event = vdec_subscribe_event,
551 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
552 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,
553 .vidioc_decoder_cmd = vdec_decoder_cmd,
554};
555
556static int vdec_pm_get(struct venus_inst *inst)
557{
558 struct venus_core *core = inst->core;
559 struct device *dev = core->dev_dec;
560 int ret;
561
562 mutex_lock(&core->pm_lock);
563 ret = pm_runtime_get_sync(dev);
564 mutex_unlock(&core->pm_lock);
565
566 return ret < 0 ? ret : 0;
567}
568
569static int vdec_pm_put(struct venus_inst *inst, bool autosuspend)
570{
571 struct venus_core *core = inst->core;
572 struct device *dev = core->dev_dec;
573 int ret;
574
575 mutex_lock(&core->pm_lock);
576
577 if (autosuspend)
578 ret = pm_runtime_put_autosuspend(dev);
579 else
580 ret = pm_runtime_put_sync(dev);
581
582 mutex_unlock(&core->pm_lock);
583
584 return ret < 0 ? ret : 0;
585}
586
587static int vdec_pm_get_put(struct venus_inst *inst)
588{
589 struct venus_core *core = inst->core;
590 struct device *dev = core->dev_dec;
591 int ret = 0;
592
593 mutex_lock(&core->pm_lock);
594
595 if (pm_runtime_suspended(dev)) {
596 ret = pm_runtime_get_sync(dev);
597 if (ret < 0)
598 goto error;
599
600 ret = pm_runtime_put_autosuspend(dev);
601 }
602
603error:
604 mutex_unlock(&core->pm_lock);
605
606 return ret < 0 ? ret : 0;
607}
608
609static void vdec_pm_touch(struct venus_inst *inst)
610{
611 pm_runtime_mark_last_busy(inst->core->dev_dec);
612}
613
614static int vdec_set_properties(struct venus_inst *inst)
615{
616 struct vdec_controls *ctr = &inst->controls.dec;
617 struct hfi_enable en = { .enable = 1 };
618 u32 ptype;
619 int ret;
620
621 if (ctr->post_loop_deb_mode) {
622 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
623 ret = hfi_session_set_property(inst, ptype, &en);
624 if (ret)
625 return ret;
626 }
627
628 return 0;
629}
630
631#define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE))
632
633static int vdec_output_conf(struct venus_inst *inst)
634{
635 struct venus_core *core = inst->core;
636 struct hfi_enable en = { .enable = 1 };
637 u32 width = inst->out_width;
638 u32 height = inst->out_height;
639 u32 out_fmt, out2_fmt;
640 bool ubwc = false;
641 u32 ptype;
642 int ret;
643
644 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
645 if (ret)
646 return ret;
647
648 if (core->res->hfi_version == HFI_VERSION_1XX) {
649 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
650 ret = hfi_session_set_property(inst, ptype, &en);
651 if (ret)
652 return ret;
653 }
654
655
656 if (width > 1920 && height > ALIGN(1080, 32))
657 ubwc = true;
658
659
660 if (IS_V4(core))
661 ubwc = true;
662
663 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt,
664 &out2_fmt, ubwc);
665 if (ret)
666 return ret;
667
668 inst->output_buf_size =
669 venus_helper_get_framesz_raw(out_fmt, width, height);
670 inst->output2_buf_size =
671 venus_helper_get_framesz_raw(out2_fmt, width, height);
672
673 if (is_ubwc_fmt(out_fmt)) {
674 inst->opb_buftype = HFI_BUFFER_OUTPUT2;
675 inst->opb_fmt = out2_fmt;
676 inst->dpb_buftype = HFI_BUFFER_OUTPUT;
677 inst->dpb_fmt = out_fmt;
678 } else if (is_ubwc_fmt(out2_fmt)) {
679 inst->opb_buftype = HFI_BUFFER_OUTPUT;
680 inst->opb_fmt = out_fmt;
681 inst->dpb_buftype = HFI_BUFFER_OUTPUT2;
682 inst->dpb_fmt = out2_fmt;
683 } else {
684 inst->opb_buftype = HFI_BUFFER_OUTPUT;
685 inst->opb_fmt = out_fmt;
686 inst->dpb_buftype = 0;
687 inst->dpb_fmt = 0;
688 }
689
690 ret = venus_helper_set_raw_format(inst, inst->opb_fmt,
691 inst->opb_buftype);
692 if (ret)
693 return ret;
694
695 if (inst->dpb_fmt) {
696 ret = venus_helper_set_multistream(inst, false, true);
697 if (ret)
698 return ret;
699
700 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt,
701 inst->dpb_buftype);
702 if (ret)
703 return ret;
704
705 ret = venus_helper_set_output_resolution(inst, width, height,
706 HFI_BUFFER_OUTPUT2);
707 if (ret)
708 return ret;
709 }
710
711 if (IS_V3(core) || IS_V4(core)) {
712 if (inst->output2_buf_size) {
713 ret = venus_helper_set_bufsize(inst,
714 inst->output2_buf_size,
715 HFI_BUFFER_OUTPUT2);
716 if (ret)
717 return ret;
718 }
719
720 if (inst->output_buf_size) {
721 ret = venus_helper_set_bufsize(inst,
722 inst->output_buf_size,
723 HFI_BUFFER_OUTPUT);
724 if (ret)
725 return ret;
726 }
727 }
728
729 ret = venus_helper_set_dyn_bufmode(inst);
730 if (ret)
731 return ret;
732
733 return 0;
734}
735
736static int vdec_session_init(struct venus_inst *inst)
737{
738 int ret;
739
740 ret = hfi_session_init(inst, inst->fmt_out->pixfmt);
741 if (ret == -EINVAL)
742 return 0;
743 else if (ret)
744 return ret;
745
746 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst),
747 frame_height_min(inst));
748 if (ret)
749 goto deinit;
750
751 ret = venus_helper_init_codec_freq_data(inst);
752 if (ret)
753 goto deinit;
754
755 return 0;
756deinit:
757 hfi_session_deinit(inst);
758 return ret;
759}
760
761static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num,
762 unsigned int *out_num)
763{
764 enum hfi_version ver = inst->core->res->hfi_version;
765 struct hfi_buffer_requirements bufreq;
766 int ret;
767
768 *in_num = *out_num = 0;
769
770 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
771 if (ret)
772 return ret;
773
774 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
775
776 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
777 if (ret)
778 return ret;
779
780 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
781
782 return 0;
783}
784
785static int vdec_queue_setup(struct vb2_queue *q,
786 unsigned int *num_buffers, unsigned int *num_planes,
787 unsigned int sizes[], struct device *alloc_devs[])
788{
789 struct venus_inst *inst = vb2_get_drv_priv(q);
790 unsigned int in_num, out_num;
791 int ret = 0;
792
793 if (*num_planes) {
794 unsigned int output_buf_size = venus_helper_get_opb_size(inst);
795
796 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
797 *num_planes != inst->fmt_out->num_planes)
798 return -EINVAL;
799
800 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
801 *num_planes != inst->fmt_cap->num_planes)
802 return -EINVAL;
803
804 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
805 sizes[0] < inst->input_buf_size)
806 return -EINVAL;
807
808 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
809 sizes[0] < output_buf_size)
810 return -EINVAL;
811
812 return 0;
813 }
814
815 ret = vdec_pm_get(inst);
816 if (ret)
817 return ret;
818
819 ret = vdec_session_init(inst);
820 if (ret)
821 goto put_power;
822
823 ret = vdec_num_buffers(inst, &in_num, &out_num);
824 if (ret)
825 goto put_power;
826
827 ret = vdec_pm_put(inst, false);
828 if (ret)
829 return ret;
830
831 switch (q->type) {
832 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
833 *num_planes = inst->fmt_out->num_planes;
834 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
835 inst->out_width,
836 inst->out_height);
837 sizes[0] = max(sizes[0], inst->input_buf_size);
838 inst->input_buf_size = sizes[0];
839 *num_buffers = max(*num_buffers, in_num);
840 inst->num_input_bufs = *num_buffers;
841 inst->num_output_bufs = out_num;
842 break;
843 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
844 *num_planes = inst->fmt_cap->num_planes;
845 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
846 inst->width,
847 inst->height);
848 inst->output_buf_size = sizes[0];
849 *num_buffers = max(*num_buffers, out_num);
850 inst->num_output_bufs = *num_buffers;
851
852 mutex_lock(&inst->lock);
853 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP)
854 inst->codec_state = VENUS_DEC_STATE_STOPPED;
855 mutex_unlock(&inst->lock);
856 break;
857 default:
858 ret = -EINVAL;
859 break;
860 }
861
862 return ret;
863
864put_power:
865 vdec_pm_put(inst, false);
866 return ret;
867}
868
869static int vdec_verify_conf(struct venus_inst *inst)
870{
871 enum hfi_version ver = inst->core->res->hfi_version;
872 struct hfi_buffer_requirements bufreq;
873 int ret;
874
875 if (!inst->num_input_bufs || !inst->num_output_bufs)
876 return -EINVAL;
877
878 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
879 if (ret)
880 return ret;
881
882 if (inst->num_output_bufs < bufreq.count_actual ||
883 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
884 return -EINVAL;
885
886 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
887 if (ret)
888 return ret;
889
890 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
891 return -EINVAL;
892
893 return 0;
894}
895
896static int vdec_start_capture(struct venus_inst *inst)
897{
898 int ret;
899
900 if (!inst->streamon_out)
901 return 0;
902
903 if (inst->codec_state == VENUS_DEC_STATE_DECODING) {
904 if (inst->reconfig)
905 goto reconfigure;
906
907 venus_helper_queue_dpb_bufs(inst);
908 venus_helper_process_initial_cap_bufs(inst);
909 inst->streamon_cap = 1;
910 return 0;
911 }
912
913 if (inst->codec_state != VENUS_DEC_STATE_STOPPED)
914 return 0;
915
916reconfigure:
917 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true);
918 if (ret)
919 return ret;
920
921 ret = vdec_output_conf(inst);
922 if (ret)
923 return ret;
924
925 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
926 VB2_MAX_FRAME, VB2_MAX_FRAME);
927 if (ret)
928 return ret;
929
930 ret = venus_helper_intbufs_realloc(inst);
931 if (ret)
932 goto err;
933
934 ret = venus_helper_alloc_dpb_bufs(inst);
935 if (ret)
936 goto err;
937
938 ret = venus_helper_queue_dpb_bufs(inst);
939 if (ret)
940 goto free_dpb_bufs;
941
942 ret = venus_helper_process_initial_cap_bufs(inst);
943 if (ret)
944 goto free_dpb_bufs;
945
946 venus_pm_load_scale(inst);
947
948 ret = hfi_session_continue(inst);
949 if (ret)
950 goto free_dpb_bufs;
951
952 inst->codec_state = VENUS_DEC_STATE_DECODING;
953
954 inst->streamon_cap = 1;
955 inst->sequence_cap = 0;
956 inst->reconfig = false;
957
958 return 0;
959
960free_dpb_bufs:
961 venus_helper_free_dpb_bufs(inst);
962err:
963 return ret;
964}
965
966static int vdec_start_output(struct venus_inst *inst)
967{
968 int ret;
969
970 if (inst->codec_state == VENUS_DEC_STATE_SEEK) {
971 ret = venus_helper_process_initial_out_bufs(inst);
972 inst->codec_state = VENUS_DEC_STATE_DECODING;
973 goto done;
974 }
975
976 if (inst->codec_state == VENUS_DEC_STATE_INIT ||
977 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) {
978 ret = venus_helper_process_initial_out_bufs(inst);
979 goto done;
980 }
981
982 if (inst->codec_state != VENUS_DEC_STATE_DEINIT)
983 return -EINVAL;
984
985 venus_helper_init_instance(inst);
986 inst->sequence_out = 0;
987 inst->reconfig = false;
988
989 ret = vdec_set_properties(inst);
990 if (ret)
991 return ret;
992
993 ret = vdec_output_conf(inst);
994 if (ret)
995 return ret;
996
997 ret = vdec_verify_conf(inst);
998 if (ret)
999 return ret;
1000
1001 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1002 VB2_MAX_FRAME, VB2_MAX_FRAME);
1003 if (ret)
1004 return ret;
1005
1006 ret = venus_helper_vb2_start_streaming(inst);
1007 if (ret)
1008 return ret;
1009
1010 ret = venus_helper_process_initial_out_bufs(inst);
1011 if (ret)
1012 return ret;
1013
1014 inst->codec_state = VENUS_DEC_STATE_INIT;
1015
1016done:
1017 inst->streamon_out = 1;
1018 return ret;
1019}
1020
1021static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
1022{
1023 struct venus_inst *inst = vb2_get_drv_priv(q);
1024 int ret;
1025
1026 mutex_lock(&inst->lock);
1027
1028 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1029 ret = vdec_start_capture(inst);
1030 } else {
1031 ret = vdec_pm_get(inst);
1032 if (ret)
1033 goto error;
1034
1035 ret = venus_pm_acquire_core(inst);
1036 if (ret)
1037 goto put_power;
1038
1039 ret = vdec_pm_put(inst, true);
1040 if (ret)
1041 goto error;
1042
1043 ret = vdec_start_output(inst);
1044 }
1045
1046 if (ret)
1047 goto error;
1048
1049 mutex_unlock(&inst->lock);
1050 return 0;
1051
1052put_power:
1053 vdec_pm_put(inst, false);
1054error:
1055 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1056 mutex_unlock(&inst->lock);
1057 return ret;
1058}
1059
1060static void vdec_cancel_dst_buffers(struct venus_inst *inst)
1061{
1062 struct vb2_v4l2_buffer *buf;
1063
1064 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
1065 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1066}
1067
1068static int vdec_stop_capture(struct venus_inst *inst)
1069{
1070 int ret = 0;
1071
1072 switch (inst->codec_state) {
1073 case VENUS_DEC_STATE_DECODING:
1074 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);
1075
1076 case VENUS_DEC_STATE_DRAIN:
1077 vdec_cancel_dst_buffers(inst);
1078 inst->codec_state = VENUS_DEC_STATE_STOPPED;
1079 break;
1080 case VENUS_DEC_STATE_DRC:
1081 WARN_ON(1);
1082 fallthrough;
1083 case VENUS_DEC_STATE_DRC_FLUSH_DONE:
1084 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
1085 venus_helper_free_dpb_bufs(inst);
1086 break;
1087 default:
1088 break;
1089 }
1090
1091 INIT_LIST_HEAD(&inst->registeredbufs);
1092
1093 return ret;
1094}
1095
1096static int vdec_stop_output(struct venus_inst *inst)
1097{
1098 int ret = 0;
1099
1100 switch (inst->codec_state) {
1101 case VENUS_DEC_STATE_DECODING:
1102 case VENUS_DEC_STATE_DRAIN:
1103 case VENUS_DEC_STATE_STOPPED:
1104 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);
1105 inst->codec_state = VENUS_DEC_STATE_SEEK;
1106 break;
1107 case VENUS_DEC_STATE_INIT:
1108 case VENUS_DEC_STATE_CAPTURE_SETUP:
1109 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true);
1110 break;
1111 default:
1112 break;
1113 }
1114
1115 return ret;
1116}
1117
1118static void vdec_stop_streaming(struct vb2_queue *q)
1119{
1120 struct venus_inst *inst = vb2_get_drv_priv(q);
1121 int ret = -EINVAL;
1122
1123 mutex_lock(&inst->lock);
1124
1125 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1126 ret = vdec_stop_capture(inst);
1127 else
1128 ret = vdec_stop_output(inst);
1129
1130 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR);
1131
1132 if (ret)
1133 goto unlock;
1134
1135 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1136 inst->streamon_out = 0;
1137 else
1138 inst->streamon_cap = 0;
1139
1140unlock:
1141 mutex_unlock(&inst->lock);
1142}
1143
1144static void vdec_session_release(struct venus_inst *inst)
1145{
1146 struct venus_core *core = inst->core;
1147 int ret, abort = 0;
1148
1149 vdec_pm_get(inst);
1150
1151 mutex_lock(&inst->lock);
1152 inst->codec_state = VENUS_DEC_STATE_DEINIT;
1153
1154 ret = hfi_session_stop(inst);
1155 abort = (ret && ret != -EINVAL) ? 1 : 0;
1156 ret = hfi_session_unload_res(inst);
1157 abort = (ret && ret != -EINVAL) ? 1 : 0;
1158 ret = venus_helper_unregister_bufs(inst);
1159 abort = (ret && ret != -EINVAL) ? 1 : 0;
1160 ret = venus_helper_intbufs_free(inst);
1161 abort = (ret && ret != -EINVAL) ? 1 : 0;
1162 ret = hfi_session_deinit(inst);
1163 abort = (ret && ret != -EINVAL) ? 1 : 0;
1164
1165 if (inst->session_error || core->sys_error)
1166 abort = 1;
1167
1168 if (abort)
1169 hfi_session_abort(inst);
1170
1171 venus_helper_free_dpb_bufs(inst);
1172 venus_pm_load_scale(inst);
1173 INIT_LIST_HEAD(&inst->registeredbufs);
1174 mutex_unlock(&inst->lock);
1175
1176 venus_pm_release_core(inst);
1177 vdec_pm_put(inst, false);
1178}
1179
1180static int vdec_buf_init(struct vb2_buffer *vb)
1181{
1182 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1183
1184 inst->buf_count++;
1185
1186 return venus_helper_vb2_buf_init(vb);
1187}
1188
1189static void vdec_buf_cleanup(struct vb2_buffer *vb)
1190{
1191 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1192
1193 inst->buf_count--;
1194 if (!inst->buf_count)
1195 vdec_session_release(inst);
1196}
1197
1198static void vdec_vb2_buf_queue(struct vb2_buffer *vb)
1199{
1200 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1201
1202 vdec_pm_get_put(inst);
1203
1204 venus_helper_vb2_buf_queue(vb);
1205}
1206
1207static const struct vb2_ops vdec_vb2_ops = {
1208 .queue_setup = vdec_queue_setup,
1209 .buf_init = vdec_buf_init,
1210 .buf_cleanup = vdec_buf_cleanup,
1211 .buf_prepare = venus_helper_vb2_buf_prepare,
1212 .start_streaming = vdec_start_streaming,
1213 .stop_streaming = vdec_stop_streaming,
1214 .buf_queue = vdec_vb2_buf_queue,
1215};
1216
1217static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
1218 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1219 u32 hfi_flags, u64 timestamp_us)
1220{
1221 enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
1222 struct vb2_v4l2_buffer *vbuf;
1223 struct vb2_buffer *vb;
1224 unsigned int type;
1225
1226 vdec_pm_touch(inst);
1227
1228 if (buf_type == HFI_BUFFER_INPUT)
1229 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1230 else
1231 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1232
1233 vbuf = venus_helper_find_buf(inst, type, tag);
1234 if (!vbuf)
1235 return;
1236
1237 vbuf->flags = flags;
1238 vbuf->field = V4L2_FIELD_NONE;
1239 vb = &vbuf->vb2_buf;
1240
1241 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1242 vb2_set_plane_payload(vb, 0, bytesused);
1243 vb->planes[0].data_offset = data_offset;
1244 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1245 vbuf->sequence = inst->sequence_cap++;
1246
1247 if (inst->last_buf == vb) {
1248 inst->last_buf = NULL;
1249 vbuf->flags |= V4L2_BUF_FLAG_LAST;
1250 vb2_set_plane_payload(vb, 0, 0);
1251 vb->timestamp = 0;
1252 }
1253
1254 if (vbuf->flags & V4L2_BUF_FLAG_LAST) {
1255 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
1256
1257 v4l2_event_queue_fh(&inst->fh, &ev);
1258
1259 if (inst->codec_state == VENUS_DEC_STATE_DRAIN)
1260 inst->codec_state = VENUS_DEC_STATE_STOPPED;
1261 }
1262
1263 if (!bytesused)
1264 state = VB2_BUF_STATE_ERROR;
1265 } else {
1266 vbuf->sequence = inst->sequence_out++;
1267 }
1268
1269 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf);
1270
1271 if (hfi_flags & HFI_BUFFERFLAG_READONLY)
1272 venus_helper_acquire_buf_ref(vbuf);
1273
1274 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)
1275 state = VB2_BUF_STATE_ERROR;
1276
1277 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) {
1278 state = VB2_BUF_STATE_ERROR;
1279 vb2_set_plane_payload(vb, 0, 0);
1280 vb->timestamp = 0;
1281 }
1282
1283 v4l2_m2m_buf_done(vbuf, state);
1284}
1285
1286static void vdec_event_change(struct venus_inst *inst,
1287 struct hfi_event_data *ev_data, bool sufficient)
1288{
1289 static const struct v4l2_event ev = {
1290 .type = V4L2_EVENT_SOURCE_CHANGE,
1291 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
1292 struct device *dev = inst->core->dev_dec;
1293 struct v4l2_format format = {};
1294
1295 mutex_lock(&inst->lock);
1296
1297 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1298 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;
1299 format.fmt.pix_mp.width = ev_data->width;
1300 format.fmt.pix_mp.height = ev_data->height;
1301
1302 vdec_try_fmt_common(inst, &format);
1303
1304 inst->width = format.fmt.pix_mp.width;
1305 inst->height = format.fmt.pix_mp.height;
1306
1307 inst->out_width = ev_data->width;
1308 inst->out_height = ev_data->height;
1309
1310 if (inst->bit_depth != ev_data->bit_depth)
1311 inst->bit_depth = ev_data->bit_depth;
1312
1313 dev_dbg(dev, "event %s sufficient resources (%ux%u)\n",
1314 sufficient ? "" : "not", ev_data->width, ev_data->height);
1315
1316 if (sufficient) {
1317 hfi_session_continue(inst);
1318 } else {
1319 switch (inst->codec_state) {
1320 case VENUS_DEC_STATE_INIT:
1321 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
1322 break;
1323 case VENUS_DEC_STATE_DECODING:
1324 inst->codec_state = VENUS_DEC_STATE_DRC;
1325 break;
1326 default:
1327 break;
1328 }
1329 }
1330
1331
1332
1333
1334
1335
1336
1337 if (!sufficient && inst->codec_state == VENUS_DEC_STATE_DRC) {
1338 struct vb2_v4l2_buffer *last;
1339 int ret;
1340
1341 last = v4l2_m2m_last_dst_buf(inst->m2m_ctx);
1342 if (last)
1343 inst->last_buf = &last->vb2_buf;
1344
1345 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false);
1346 if (ret)
1347 dev_dbg(dev, "flush output error %d\n", ret);
1348 }
1349
1350 inst->reconfig = true;
1351 v4l2_event_queue_fh(&inst->fh, &ev);
1352 wake_up(&inst->reconf_wait);
1353
1354 mutex_unlock(&inst->lock);
1355}
1356
1357static void vdec_event_notify(struct venus_inst *inst, u32 event,
1358 struct hfi_event_data *data)
1359{
1360 struct venus_core *core = inst->core;
1361 struct device *dev = core->dev_dec;
1362
1363 vdec_pm_touch(inst);
1364
1365 switch (event) {
1366 case EVT_SESSION_ERROR:
1367 inst->session_error = true;
1368 dev_err(dev, "dec: event session error %x\n", inst->error);
1369 break;
1370 case EVT_SYS_EVENT_CHANGE:
1371 switch (data->event_type) {
1372 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
1373 vdec_event_change(inst, data, true);
1374 break;
1375 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:
1376 vdec_event_change(inst, data, false);
1377 break;
1378 case HFI_EVENT_RELEASE_BUFFER_REFERENCE:
1379 venus_helper_release_buf_ref(inst, data->tag);
1380 break;
1381 default:
1382 break;
1383 }
1384 break;
1385 default:
1386 break;
1387 }
1388}
1389
1390static void vdec_flush_done(struct venus_inst *inst)
1391{
1392 if (inst->codec_state == VENUS_DEC_STATE_DRC)
1393 inst->codec_state = VENUS_DEC_STATE_DRC_FLUSH_DONE;
1394}
1395
1396static const struct hfi_inst_ops vdec_hfi_ops = {
1397 .buf_done = vdec_buf_done,
1398 .event_notify = vdec_event_notify,
1399 .flush_done = vdec_flush_done,
1400};
1401
1402static void vdec_inst_init(struct venus_inst *inst)
1403{
1404 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1405 inst->fmt_out = &vdec_formats[6];
1406 inst->fmt_cap = &vdec_formats[0];
1407 inst->width = frame_width_min(inst);
1408 inst->height = ALIGN(frame_height_min(inst), 32);
1409 inst->out_width = frame_width_min(inst);
1410 inst->out_height = frame_height_min(inst);
1411 inst->fps = 30;
1412 inst->timeperframe.numerator = 1;
1413 inst->timeperframe.denominator = 30;
1414 inst->opb_buftype = HFI_BUFFER_OUTPUT;
1415}
1416
1417static void vdec_m2m_device_run(void *priv)
1418{
1419}
1420
1421static const struct v4l2_m2m_ops vdec_m2m_ops = {
1422 .device_run = vdec_m2m_device_run,
1423 .job_abort = venus_helper_m2m_job_abort,
1424};
1425
1426static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1427 struct vb2_queue *dst_vq)
1428{
1429 struct venus_inst *inst = priv;
1430 int ret;
1431
1432 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1433 src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1434 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1435 src_vq->ops = &vdec_vb2_ops;
1436 src_vq->mem_ops = &vb2_dma_sg_memops;
1437 src_vq->drv_priv = inst;
1438 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1439 src_vq->allow_zero_bytesused = 1;
1440 src_vq->min_buffers_needed = 0;
1441 src_vq->dev = inst->core->dev;
1442 ret = vb2_queue_init(src_vq);
1443 if (ret)
1444 return ret;
1445
1446 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1447 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1448 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1449 dst_vq->ops = &vdec_vb2_ops;
1450 dst_vq->mem_ops = &vb2_dma_sg_memops;
1451 dst_vq->drv_priv = inst;
1452 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1453 dst_vq->allow_zero_bytesused = 1;
1454 dst_vq->min_buffers_needed = 0;
1455 dst_vq->dev = inst->core->dev;
1456 ret = vb2_queue_init(dst_vq);
1457 if (ret) {
1458 vb2_queue_release(src_vq);
1459 return ret;
1460 }
1461
1462 return 0;
1463}
1464
1465static int vdec_open(struct file *file)
1466{
1467 struct venus_core *core = video_drvdata(file);
1468 struct venus_inst *inst;
1469 int ret;
1470
1471 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1472 if (!inst)
1473 return -ENOMEM;
1474
1475 INIT_LIST_HEAD(&inst->dpbbufs);
1476 INIT_LIST_HEAD(&inst->registeredbufs);
1477 INIT_LIST_HEAD(&inst->internalbufs);
1478 INIT_LIST_HEAD(&inst->list);
1479 mutex_init(&inst->lock);
1480
1481 inst->core = core;
1482 inst->session_type = VIDC_SESSION_TYPE_DEC;
1483 inst->num_output_bufs = 1;
1484 inst->codec_state = VENUS_DEC_STATE_DEINIT;
1485 inst->buf_count = 0;
1486 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1487 inst->core_acquired = false;
1488 inst->bit_depth = VIDC_BITDEPTH_8;
1489 init_waitqueue_head(&inst->reconf_wait);
1490 venus_helper_init_instance(inst);
1491
1492 ret = vdec_ctrl_init(inst);
1493 if (ret)
1494 goto err_free;
1495
1496 ret = hfi_session_create(inst, &vdec_hfi_ops);
1497 if (ret)
1498 goto err_ctrl_deinit;
1499
1500 vdec_inst_init(inst);
1501
1502
1503
1504
1505
1506 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops);
1507 if (IS_ERR(inst->m2m_dev)) {
1508 ret = PTR_ERR(inst->m2m_dev);
1509 goto err_session_destroy;
1510 }
1511
1512 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1513 if (IS_ERR(inst->m2m_ctx)) {
1514 ret = PTR_ERR(inst->m2m_ctx);
1515 goto err_m2m_release;
1516 }
1517
1518 v4l2_fh_init(&inst->fh, core->vdev_dec);
1519
1520 inst->fh.ctrl_handler = &inst->ctrl_handler;
1521 v4l2_fh_add(&inst->fh);
1522 inst->fh.m2m_ctx = inst->m2m_ctx;
1523 file->private_data = &inst->fh;
1524
1525 return 0;
1526
1527err_m2m_release:
1528 v4l2_m2m_release(inst->m2m_dev);
1529err_session_destroy:
1530 hfi_session_destroy(inst);
1531err_ctrl_deinit:
1532 vdec_ctrl_deinit(inst);
1533err_free:
1534 kfree(inst);
1535 return ret;
1536}
1537
1538static int vdec_close(struct file *file)
1539{
1540 struct venus_inst *inst = to_inst(file);
1541
1542 vdec_pm_get(inst);
1543
1544 v4l2_m2m_ctx_release(inst->m2m_ctx);
1545 v4l2_m2m_release(inst->m2m_dev);
1546 vdec_ctrl_deinit(inst);
1547 hfi_session_destroy(inst);
1548 mutex_destroy(&inst->lock);
1549 v4l2_fh_del(&inst->fh);
1550 v4l2_fh_exit(&inst->fh);
1551
1552 vdec_pm_put(inst, false);
1553
1554 kfree(inst);
1555 return 0;
1556}
1557
1558static const struct v4l2_file_operations vdec_fops = {
1559 .owner = THIS_MODULE,
1560 .open = vdec_open,
1561 .release = vdec_close,
1562 .unlocked_ioctl = video_ioctl2,
1563 .poll = v4l2_m2m_fop_poll,
1564 .mmap = v4l2_m2m_fop_mmap,
1565};
1566
1567static int vdec_probe(struct platform_device *pdev)
1568{
1569 struct device *dev = &pdev->dev;
1570 struct video_device *vdev;
1571 struct venus_core *core;
1572 int ret;
1573
1574 if (!dev->parent)
1575 return -EPROBE_DEFER;
1576
1577 core = dev_get_drvdata(dev->parent);
1578 if (!core)
1579 return -EPROBE_DEFER;
1580
1581 platform_set_drvdata(pdev, core);
1582
1583 if (core->pm_ops->vdec_get) {
1584 ret = core->pm_ops->vdec_get(dev);
1585 if (ret)
1586 return ret;
1587 }
1588
1589 vdev = video_device_alloc();
1590 if (!vdev)
1591 return -ENOMEM;
1592
1593 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name));
1594 vdev->release = video_device_release;
1595 vdev->fops = &vdec_fops;
1596 vdev->ioctl_ops = &vdec_ioctl_ops;
1597 vdev->vfl_dir = VFL_DIR_M2M;
1598 vdev->v4l2_dev = &core->v4l2_dev;
1599 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1600
1601 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1602 if (ret)
1603 goto err_vdev_release;
1604
1605 core->vdev_dec = vdev;
1606 core->dev_dec = dev;
1607
1608 video_set_drvdata(vdev, core);
1609 pm_runtime_set_autosuspend_delay(dev, 2000);
1610 pm_runtime_use_autosuspend(dev);
1611 pm_runtime_enable(dev);
1612
1613 return 0;
1614
1615err_vdev_release:
1616 video_device_release(vdev);
1617 return ret;
1618}
1619
1620static int vdec_remove(struct platform_device *pdev)
1621{
1622 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1623
1624 video_unregister_device(core->vdev_dec);
1625 pm_runtime_disable(core->dev_dec);
1626
1627 if (core->pm_ops->vdec_put)
1628 core->pm_ops->vdec_put(core->dev_dec);
1629
1630 return 0;
1631}
1632
1633static __maybe_unused int vdec_runtime_suspend(struct device *dev)
1634{
1635 struct venus_core *core = dev_get_drvdata(dev);
1636 const struct venus_pm_ops *pm_ops = core->pm_ops;
1637 int ret = 0;
1638
1639 if (pm_ops->vdec_power)
1640 ret = pm_ops->vdec_power(dev, POWER_OFF);
1641
1642 return ret;
1643}
1644
1645static __maybe_unused int vdec_runtime_resume(struct device *dev)
1646{
1647 struct venus_core *core = dev_get_drvdata(dev);
1648 const struct venus_pm_ops *pm_ops = core->pm_ops;
1649 int ret = 0;
1650
1651 if (pm_ops->vdec_power)
1652 ret = pm_ops->vdec_power(dev, POWER_ON);
1653
1654 return ret;
1655}
1656
1657static const struct dev_pm_ops vdec_pm_ops = {
1658 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1659 pm_runtime_force_resume)
1660 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)
1661};
1662
1663static const struct of_device_id vdec_dt_match[] = {
1664 { .compatible = "venus-decoder" },
1665 { }
1666};
1667MODULE_DEVICE_TABLE(of, vdec_dt_match);
1668
1669static struct platform_driver qcom_venus_dec_driver = {
1670 .probe = vdec_probe,
1671 .remove = vdec_remove,
1672 .driver = {
1673 .name = "qcom-venus-decoder",
1674 .of_match_table = vdec_dt_match,
1675 .pm = &vdec_pm_ops,
1676 },
1677};
1678module_platform_driver(qcom_venus_dec_driver);
1679
1680MODULE_ALIAS("platform:qcom-venus-decoder");
1681MODULE_DESCRIPTION("Qualcomm Venus video decoder driver");
1682MODULE_LICENSE("GPL v2");
1683
