1
2
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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
24
25
26
27
28
29
30
31static const struct venus_format vdec_formats[] = {
32 {
33 .pixfmt = V4L2_PIX_FMT_NV12,
34 .num_planes = 1,
35 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
36 }, {
37 .pixfmt = V4L2_PIX_FMT_MPEG4,
38 .num_planes = 1,
39 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
40 }, {
41 .pixfmt = V4L2_PIX_FMT_MPEG2,
42 .num_planes = 1,
43 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
44 }, {
45 .pixfmt = V4L2_PIX_FMT_H263,
46 .num_planes = 1,
47 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
48 }, {
49 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
50 .num_planes = 1,
51 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
52 }, {
53 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
54 .num_planes = 1,
55 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
56 }, {
57 .pixfmt = V4L2_PIX_FMT_H264,
58 .num_planes = 1,
59 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
60 }, {
61 .pixfmt = V4L2_PIX_FMT_VP8,
62 .num_planes = 1,
63 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
64 }, {
65 .pixfmt = V4L2_PIX_FMT_VP9,
66 .num_planes = 1,
67 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
68 }, {
69 .pixfmt = V4L2_PIX_FMT_XVID,
70 .num_planes = 1,
71 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
72 }, {
73 .pixfmt = V4L2_PIX_FMT_HEVC,
74 .num_planes = 1,
75 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
76 },
77};
78
79static const struct venus_format *
80find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
81{
82 const struct venus_format *fmt = vdec_formats;
83 unsigned int size = ARRAY_SIZE(vdec_formats);
84 unsigned int i;
85
86 for (i = 0; i < size; i++) {
87 if (fmt[i].pixfmt == pixfmt)
88 break;
89 }
90
91 if (i == size || fmt[i].type != type)
92 return NULL;
93
94 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
95 !venus_helper_check_codec(inst, fmt[i].pixfmt))
96 return NULL;
97
98 return &fmt[i];
99}
100
101static const struct venus_format *
102find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
103{
104 const struct venus_format *fmt = vdec_formats;
105 unsigned int size = ARRAY_SIZE(vdec_formats);
106 unsigned int i, k = 0;
107
108 if (index > size)
109 return NULL;
110
111 for (i = 0; i < size; i++) {
112 bool valid;
113
114 if (fmt[i].type != type)
115 continue;
116 valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ||
117 venus_helper_check_codec(inst, fmt[i].pixfmt);
118 if (k == index && valid)
119 break;
120 if (valid)
121 k++;
122 }
123
124 if (i == size)
125 return NULL;
126
127 return &fmt[i];
128}
129
130static const struct venus_format *
131vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
132{
133 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
134 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
135 const struct venus_format *fmt;
136
137 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
138 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
139
140 fmt = find_format(inst, pixmp->pixelformat, f->type);
141 if (!fmt) {
142 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
143 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
144 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
145 pixmp->pixelformat = V4L2_PIX_FMT_H264;
146 else
147 return NULL;
148 fmt = find_format(inst, pixmp->pixelformat, f->type);
149 }
150
151 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
152 frame_width_max(inst));
153 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
154 frame_height_max(inst));
155
156 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
157 pixmp->height = ALIGN(pixmp->height, 32);
158
159 if (pixmp->field == V4L2_FIELD_ANY)
160 pixmp->field = V4L2_FIELD_NONE;
161 pixmp->num_planes = fmt->num_planes;
162 pixmp->flags = 0;
163
164 pfmt[0].sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
165 pixmp->width,
166 pixmp->height);
167
168 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
169 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
170 else
171 pfmt[0].bytesperline = 0;
172
173 return fmt;
174}
175
176static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
177{
178 struct venus_inst *inst = to_inst(file);
179
180 vdec_try_fmt_common(inst, f);
181
182 return 0;
183}
184
185static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
186{
187 struct venus_inst *inst = to_inst(file);
188 const struct venus_format *fmt = NULL;
189 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
190
191 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
192 fmt = inst->fmt_cap;
193 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
194 fmt = inst->fmt_out;
195
196 if (inst->reconfig) {
197 struct v4l2_format format = {};
198
199 inst->out_width = inst->reconfig_width;
200 inst->out_height = inst->reconfig_height;
201 inst->reconfig = false;
202
203 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
204 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;
205 format.fmt.pix_mp.width = inst->out_width;
206 format.fmt.pix_mp.height = inst->out_height;
207
208 vdec_try_fmt_common(inst, &format);
209
210 inst->width = format.fmt.pix_mp.width;
211 inst->height = format.fmt.pix_mp.height;
212 }
213
214 pixmp->pixelformat = fmt->pixfmt;
215
216 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
217 pixmp->width = inst->width;
218 pixmp->height = inst->height;
219 pixmp->colorspace = inst->colorspace;
220 pixmp->ycbcr_enc = inst->ycbcr_enc;
221 pixmp->quantization = inst->quantization;
222 pixmp->xfer_func = inst->xfer_func;
223 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
224 pixmp->width = inst->out_width;
225 pixmp->height = inst->out_height;
226 }
227
228 vdec_try_fmt_common(inst, f);
229
230 return 0;
231}
232
233static int vdec_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
242 orig_pixmp = *pixmp;
243
244 fmt = vdec_try_fmt_common(inst, f);
245
246 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
247 pixfmt_out = pixmp->pixelformat;
248 pixfmt_cap = inst->fmt_cap->pixfmt;
249 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
250 pixfmt_cap = pixmp->pixelformat;
251 pixfmt_out = inst->fmt_out->pixfmt;
252 }
253
254 memset(&format, 0, sizeof(format));
255
256 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
257 format.fmt.pix_mp.pixelformat = pixfmt_out;
258 format.fmt.pix_mp.width = orig_pixmp.width;
259 format.fmt.pix_mp.height = orig_pixmp.height;
260 vdec_try_fmt_common(inst, &format);
261
262 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
263 inst->out_width = format.fmt.pix_mp.width;
264 inst->out_height = format.fmt.pix_mp.height;
265 inst->colorspace = pixmp->colorspace;
266 inst->ycbcr_enc = pixmp->ycbcr_enc;
267 inst->quantization = pixmp->quantization;
268 inst->xfer_func = pixmp->xfer_func;
269 }
270
271 memset(&format, 0, sizeof(format));
272
273 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
274 format.fmt.pix_mp.pixelformat = pixfmt_cap;
275 format.fmt.pix_mp.width = orig_pixmp.width;
276 format.fmt.pix_mp.height = orig_pixmp.height;
277 vdec_try_fmt_common(inst, &format);
278
279 inst->width = format.fmt.pix_mp.width;
280 inst->height = format.fmt.pix_mp.height;
281
282 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
283 inst->fmt_out = fmt;
284 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
285 inst->fmt_cap = fmt;
286
287 return 0;
288}
289
290static int
291vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
292{
293 struct venus_inst *inst = to_inst(file);
294
295 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
296 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
297 return -EINVAL;
298
299 switch (s->target) {
300 case V4L2_SEL_TGT_CROP_BOUNDS:
301 case V4L2_SEL_TGT_CROP_DEFAULT:
302 case V4L2_SEL_TGT_CROP:
303 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
304 return -EINVAL;
305 s->r.width = inst->out_width;
306 s->r.height = inst->out_height;
307 break;
308 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
309 case V4L2_SEL_TGT_COMPOSE_PADDED:
310 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
311 return -EINVAL;
312 s->r.width = inst->width;
313 s->r.height = inst->height;
314 break;
315 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
316 case V4L2_SEL_TGT_COMPOSE:
317 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
318 return -EINVAL;
319 s->r.width = inst->out_width;
320 s->r.height = inst->out_height;
321 break;
322 default:
323 return -EINVAL;
324 }
325
326 s->r.top = 0;
327 s->r.left = 0;
328
329 return 0;
330}
331
332static int
333vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
334{
335 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
336 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
337 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
338
339 return 0;
340}
341
342static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
343{
344 struct venus_inst *inst = to_inst(file);
345 const struct venus_format *fmt;
346
347 memset(f->reserved, 0, sizeof(f->reserved));
348
349 fmt = find_format_by_index(inst, f->index, f->type);
350 if (!fmt)
351 return -EINVAL;
352
353 f->pixelformat = fmt->pixfmt;
354
355 return 0;
356}
357
358static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
359{
360 struct venus_inst *inst = to_inst(file);
361 struct v4l2_captureparm *cap = &a->parm.capture;
362 struct v4l2_fract *timeperframe = &cap->timeperframe;
363 u64 us_per_frame, fps;
364
365 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
366 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
367 return -EINVAL;
368
369 memset(cap->reserved, 0, sizeof(cap->reserved));
370 if (!timeperframe->denominator)
371 timeperframe->denominator = inst->timeperframe.denominator;
372 if (!timeperframe->numerator)
373 timeperframe->numerator = inst->timeperframe.numerator;
374 cap->readbuffers = 0;
375 cap->extendedmode = 0;
376 cap->capability = V4L2_CAP_TIMEPERFRAME;
377 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
378 do_div(us_per_frame, timeperframe->denominator);
379
380 if (!us_per_frame)
381 return -EINVAL;
382
383 fps = (u64)USEC_PER_SEC;
384 do_div(fps, us_per_frame);
385
386 inst->fps = fps;
387 inst->timeperframe = *timeperframe;
388
389 return 0;
390}
391
392static int vdec_enum_framesizes(struct file *file, void *fh,
393 struct v4l2_frmsizeenum *fsize)
394{
395 struct venus_inst *inst = to_inst(file);
396 const struct venus_format *fmt;
397
398 fmt = find_format(inst, fsize->pixel_format,
399 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
400 if (!fmt) {
401 fmt = find_format(inst, fsize->pixel_format,
402 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
403 if (!fmt)
404 return -EINVAL;
405 }
406
407 if (fsize->index)
408 return -EINVAL;
409
410 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
411
412 fsize->stepwise.min_width = frame_width_min(inst);
413 fsize->stepwise.max_width = frame_width_max(inst);
414 fsize->stepwise.step_width = frame_width_step(inst);
415 fsize->stepwise.min_height = frame_height_min(inst);
416 fsize->stepwise.max_height = frame_height_max(inst);
417 fsize->stepwise.step_height = frame_height_step(inst);
418
419 return 0;
420}
421
422static int vdec_subscribe_event(struct v4l2_fh *fh,
423 const struct v4l2_event_subscription *sub)
424{
425 switch (sub->type) {
426 case V4L2_EVENT_EOS:
427 return v4l2_event_subscribe(fh, sub, 2, NULL);
428 case V4L2_EVENT_SOURCE_CHANGE:
429 return v4l2_src_change_event_subscribe(fh, sub);
430 case V4L2_EVENT_CTRL:
431 return v4l2_ctrl_subscribe_event(fh, sub);
432 default:
433 return -EINVAL;
434 }
435}
436
437static int
438vdec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
439{
440 switch (cmd->cmd) {
441 case V4L2_DEC_CMD_STOP:
442 if (cmd->flags & V4L2_DEC_CMD_STOP_TO_BLACK)
443 return -EINVAL;
444 break;
445 default:
446 return -EINVAL;
447 }
448
449 return 0;
450}
451
452static int
453vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
454{
455 struct venus_inst *inst = to_inst(file);
456 struct hfi_frame_data fdata = {0};
457 int ret;
458
459 ret = vdec_try_decoder_cmd(file, fh, cmd);
460 if (ret)
461 return ret;
462
463 mutex_lock(&inst->lock);
464
465
466
467
468
469 if (!(inst->streamon_out & inst->streamon_cap))
470 goto unlock;
471
472 fdata.buffer_type = HFI_BUFFER_INPUT;
473 fdata.flags |= HFI_BUFFERFLAG_EOS;
474 fdata.device_addr = 0xdeadbeef;
475
476 ret = hfi_session_process_buf(inst, &fdata);
477
478unlock:
479 mutex_unlock(&inst->lock);
480 return ret;
481}
482
483static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
484 .vidioc_querycap = vdec_querycap,
485 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt,
486 .vidioc_enum_fmt_vid_out = vdec_enum_fmt,
487 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
488 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
489 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
490 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
491 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
492 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
493 .vidioc_g_selection = vdec_g_selection,
494 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
495 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
496 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
497 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
498 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
499 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
500 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
501 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
502 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
503 .vidioc_s_parm = vdec_s_parm,
504 .vidioc_enum_framesizes = vdec_enum_framesizes,
505 .vidioc_subscribe_event = vdec_subscribe_event,
506 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
507 .vidioc_try_decoder_cmd = vdec_try_decoder_cmd,
508 .vidioc_decoder_cmd = vdec_decoder_cmd,
509};
510
511static int vdec_set_properties(struct venus_inst *inst)
512{
513 struct vdec_controls *ctr = &inst->controls.dec;
514 struct hfi_enable en = { .enable = 1 };
515 u32 ptype;
516 int ret;
517
518 if (ctr->post_loop_deb_mode) {
519 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
520 ret = hfi_session_set_property(inst, ptype, &en);
521 if (ret)
522 return ret;
523 }
524
525 return 0;
526}
527
528#define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE))
529
530static int vdec_output_conf(struct venus_inst *inst)
531{
532 struct venus_core *core = inst->core;
533 struct hfi_enable en = { .enable = 1 };
534 u32 width = inst->out_width;
535 u32 height = inst->out_height;
536 u32 out_fmt, out2_fmt;
537 bool ubwc = false;
538 u32 ptype;
539 int ret;
540
541 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
542 if (ret)
543 return ret;
544
545 ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_1);
546 if (ret)
547 return ret;
548
549 if (core->res->hfi_version == HFI_VERSION_1XX) {
550 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
551 ret = hfi_session_set_property(inst, ptype, &en);
552 if (ret)
553 return ret;
554 }
555
556
557 if (width > 1920 && height > ALIGN(1080, 32))
558 ubwc = true;
559
560
561 if (IS_V4(core))
562 ubwc = true;
563
564 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt,
565 &out2_fmt, ubwc);
566 if (ret)
567 return ret;
568
569 inst->output_buf_size =
570 venus_helper_get_framesz_raw(out_fmt, width, height);
571 inst->output2_buf_size =
572 venus_helper_get_framesz_raw(out2_fmt, width, height);
573
574 if (is_ubwc_fmt(out_fmt)) {
575 inst->opb_buftype = HFI_BUFFER_OUTPUT2;
576 inst->opb_fmt = out2_fmt;
577 inst->dpb_buftype = HFI_BUFFER_OUTPUT;
578 inst->dpb_fmt = out_fmt;
579 } else if (is_ubwc_fmt(out2_fmt)) {
580 inst->opb_buftype = HFI_BUFFER_OUTPUT;
581 inst->opb_fmt = out_fmt;
582 inst->dpb_buftype = HFI_BUFFER_OUTPUT2;
583 inst->dpb_fmt = out2_fmt;
584 } else {
585 inst->opb_buftype = HFI_BUFFER_OUTPUT;
586 inst->opb_fmt = out_fmt;
587 inst->dpb_buftype = 0;
588 inst->dpb_fmt = 0;
589 }
590
591 ret = venus_helper_set_raw_format(inst, inst->opb_fmt,
592 inst->opb_buftype);
593 if (ret)
594 return ret;
595
596 if (inst->dpb_fmt) {
597 ret = venus_helper_set_multistream(inst, false, true);
598 if (ret)
599 return ret;
600
601 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt,
602 inst->dpb_buftype);
603 if (ret)
604 return ret;
605
606 ret = venus_helper_set_output_resolution(inst, width, height,
607 HFI_BUFFER_OUTPUT2);
608 if (ret)
609 return ret;
610 }
611
612 if (IS_V3(core) || IS_V4(core)) {
613 if (inst->output2_buf_size) {
614 ret = venus_helper_set_bufsize(inst,
615 inst->output2_buf_size,
616 HFI_BUFFER_OUTPUT2);
617 if (ret)
618 return ret;
619 }
620
621 if (inst->output_buf_size) {
622 ret = venus_helper_set_bufsize(inst,
623 inst->output_buf_size,
624 HFI_BUFFER_OUTPUT);
625 if (ret)
626 return ret;
627 }
628 }
629
630 ret = venus_helper_set_dyn_bufmode(inst);
631 if (ret)
632 return ret;
633
634 return 0;
635}
636
637static int vdec_init_session(struct venus_inst *inst)
638{
639 int ret;
640
641 ret = hfi_session_init(inst, inst->fmt_out->pixfmt);
642 if (ret)
643 return ret;
644
645 ret = venus_helper_set_input_resolution(inst, inst->out_width,
646 inst->out_height);
647 if (ret)
648 goto deinit;
649
650 ret = venus_helper_set_color_format(inst, inst->fmt_cap->pixfmt);
651 if (ret)
652 goto deinit;
653
654 return 0;
655deinit:
656 hfi_session_deinit(inst);
657 return ret;
658}
659
660static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num,
661 unsigned int *out_num)
662{
663 enum hfi_version ver = inst->core->res->hfi_version;
664 struct hfi_buffer_requirements bufreq;
665 int ret;
666
667 *in_num = *out_num = 0;
668
669 ret = vdec_init_session(inst);
670 if (ret)
671 return ret;
672
673 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
674 if (ret)
675 goto deinit;
676
677 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
678
679 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
680 if (ret)
681 goto deinit;
682
683 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
684
685deinit:
686 hfi_session_deinit(inst);
687
688 return ret;
689}
690
691static int vdec_queue_setup(struct vb2_queue *q,
692 unsigned int *num_buffers, unsigned int *num_planes,
693 unsigned int sizes[], struct device *alloc_devs[])
694{
695 struct venus_inst *inst = vb2_get_drv_priv(q);
696 unsigned int in_num, out_num;
697 int ret = 0;
698
699 if (*num_planes) {
700 unsigned int output_buf_size = venus_helper_get_opb_size(inst);
701
702 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
703 *num_planes != inst->fmt_out->num_planes)
704 return -EINVAL;
705
706 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
707 *num_planes != inst->fmt_cap->num_planes)
708 return -EINVAL;
709
710 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
711 sizes[0] < inst->input_buf_size)
712 return -EINVAL;
713
714 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
715 sizes[0] < output_buf_size)
716 return -EINVAL;
717
718 return 0;
719 }
720
721 ret = vdec_num_buffers(inst, &in_num, &out_num);
722 if (ret)
723 return ret;
724
725 switch (q->type) {
726 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
727 *num_planes = inst->fmt_out->num_planes;
728 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
729 inst->out_width,
730 inst->out_height);
731 inst->input_buf_size = sizes[0];
732 *num_buffers = max(*num_buffers, in_num);
733 inst->num_input_bufs = *num_buffers;
734 inst->num_output_bufs = out_num;
735 break;
736 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
737 *num_planes = inst->fmt_cap->num_planes;
738 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
739 inst->width,
740 inst->height);
741 inst->output_buf_size = sizes[0];
742 *num_buffers = max(*num_buffers, out_num);
743 inst->num_output_bufs = *num_buffers;
744 break;
745 default:
746 ret = -EINVAL;
747 break;
748 }
749
750 return ret;
751}
752
753static int vdec_verify_conf(struct venus_inst *inst)
754{
755 enum hfi_version ver = inst->core->res->hfi_version;
756 struct hfi_buffer_requirements bufreq;
757 int ret;
758
759 if (!inst->num_input_bufs || !inst->num_output_bufs)
760 return -EINVAL;
761
762 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
763 if (ret)
764 return ret;
765
766 if (inst->num_output_bufs < bufreq.count_actual ||
767 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
768 return -EINVAL;
769
770 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
771 if (ret)
772 return ret;
773
774 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
775 return -EINVAL;
776
777 return 0;
778}
779
780static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
781{
782 struct venus_inst *inst = vb2_get_drv_priv(q);
783 int ret;
784
785 mutex_lock(&inst->lock);
786
787 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
788 inst->streamon_out = 1;
789 else
790 inst->streamon_cap = 1;
791
792 if (!(inst->streamon_out & inst->streamon_cap)) {
793 mutex_unlock(&inst->lock);
794 return 0;
795 }
796
797 venus_helper_init_instance(inst);
798
799 inst->reconfig = false;
800 inst->sequence_cap = 0;
801 inst->sequence_out = 0;
802
803 ret = vdec_init_session(inst);
804 if (ret)
805 goto bufs_done;
806
807 ret = vdec_set_properties(inst);
808 if (ret)
809 goto deinit_sess;
810
811 ret = vdec_output_conf(inst);
812 if (ret)
813 goto deinit_sess;
814
815 ret = vdec_verify_conf(inst);
816 if (ret)
817 goto deinit_sess;
818
819 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
820 VB2_MAX_FRAME, VB2_MAX_FRAME);
821 if (ret)
822 goto deinit_sess;
823
824 ret = venus_helper_alloc_dpb_bufs(inst);
825 if (ret)
826 goto deinit_sess;
827
828 ret = venus_helper_vb2_start_streaming(inst);
829 if (ret)
830 goto deinit_sess;
831
832 mutex_unlock(&inst->lock);
833
834 return 0;
835
836deinit_sess:
837 hfi_session_deinit(inst);
838bufs_done:
839 venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
840 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
841 inst->streamon_out = 0;
842 else
843 inst->streamon_cap = 0;
844 mutex_unlock(&inst->lock);
845 return ret;
846}
847
848static const struct vb2_ops vdec_vb2_ops = {
849 .queue_setup = vdec_queue_setup,
850 .buf_init = venus_helper_vb2_buf_init,
851 .buf_prepare = venus_helper_vb2_buf_prepare,
852 .start_streaming = vdec_start_streaming,
853 .stop_streaming = venus_helper_vb2_stop_streaming,
854 .buf_queue = venus_helper_vb2_buf_queue,
855};
856
857static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
858 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
859 u32 hfi_flags, u64 timestamp_us)
860{
861 enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
862 struct vb2_v4l2_buffer *vbuf;
863 struct vb2_buffer *vb;
864 unsigned int type;
865
866 if (buf_type == HFI_BUFFER_INPUT)
867 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
868 else
869 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
870
871 vbuf = venus_helper_find_buf(inst, type, tag);
872 if (!vbuf)
873 return;
874
875 vbuf->flags = flags;
876 vbuf->field = V4L2_FIELD_NONE;
877
878 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
879 vb = &vbuf->vb2_buf;
880 vb2_set_plane_payload(vb, 0, bytesused);
881 vb->planes[0].data_offset = data_offset;
882 vb->timestamp = timestamp_us * NSEC_PER_USEC;
883 vbuf->sequence = inst->sequence_cap++;
884
885 if (vbuf->flags & V4L2_BUF_FLAG_LAST) {
886 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
887
888 v4l2_event_queue_fh(&inst->fh, &ev);
889 }
890 } else {
891 vbuf->sequence = inst->sequence_out++;
892 }
893
894 if (hfi_flags & HFI_BUFFERFLAG_READONLY)
895 venus_helper_acquire_buf_ref(vbuf);
896
897 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)
898 state = VB2_BUF_STATE_ERROR;
899
900 v4l2_m2m_buf_done(vbuf, state);
901}
902
903static void vdec_event_notify(struct venus_inst *inst, u32 event,
904 struct hfi_event_data *data)
905{
906 struct venus_core *core = inst->core;
907 struct device *dev = core->dev_dec;
908 static const struct v4l2_event ev = {
909 .type = V4L2_EVENT_SOURCE_CHANGE,
910 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
911
912 switch (event) {
913 case EVT_SESSION_ERROR:
914 inst->session_error = true;
915 dev_err(dev, "dec: event session error %x\n", inst->error);
916 break;
917 case EVT_SYS_EVENT_CHANGE:
918 switch (data->event_type) {
919 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
920 hfi_session_continue(inst);
921 dev_dbg(dev, "event sufficient resources\n");
922 break;
923 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:
924 inst->reconfig_height = data->height;
925 inst->reconfig_width = data->width;
926 inst->reconfig = true;
927
928 v4l2_event_queue_fh(&inst->fh, &ev);
929
930 dev_dbg(dev, "event not sufficient resources (%ux%u)\n",
931 data->width, data->height);
932 break;
933 case HFI_EVENT_RELEASE_BUFFER_REFERENCE:
934 venus_helper_release_buf_ref(inst, data->tag);
935 break;
936 default:
937 break;
938 }
939 break;
940 default:
941 break;
942 }
943}
944
945static const struct hfi_inst_ops vdec_hfi_ops = {
946 .buf_done = vdec_buf_done,
947 .event_notify = vdec_event_notify,
948};
949
950static void vdec_inst_init(struct venus_inst *inst)
951{
952 inst->fmt_out = &vdec_formats[6];
953 inst->fmt_cap = &vdec_formats[0];
954 inst->width = 1280;
955 inst->height = ALIGN(720, 32);
956 inst->out_width = 1280;
957 inst->out_height = 720;
958 inst->fps = 30;
959 inst->timeperframe.numerator = 1;
960 inst->timeperframe.denominator = 30;
961 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
962}
963
964static const struct v4l2_m2m_ops vdec_m2m_ops = {
965 .device_run = venus_helper_m2m_device_run,
966 .job_abort = venus_helper_m2m_job_abort,
967};
968
969static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
970 struct vb2_queue *dst_vq)
971{
972 struct venus_inst *inst = priv;
973 int ret;
974
975 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
976 src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
977 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
978 src_vq->ops = &vdec_vb2_ops;
979 src_vq->mem_ops = &vb2_dma_sg_memops;
980 src_vq->drv_priv = inst;
981 src_vq->buf_struct_size = sizeof(struct venus_buffer);
982 src_vq->allow_zero_bytesused = 1;
983 src_vq->min_buffers_needed = 1;
984 src_vq->dev = inst->core->dev;
985 ret = vb2_queue_init(src_vq);
986 if (ret)
987 return ret;
988
989 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
990 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
991 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
992 dst_vq->ops = &vdec_vb2_ops;
993 dst_vq->mem_ops = &vb2_dma_sg_memops;
994 dst_vq->drv_priv = inst;
995 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
996 dst_vq->allow_zero_bytesused = 1;
997 dst_vq->min_buffers_needed = 1;
998 dst_vq->dev = inst->core->dev;
999 ret = vb2_queue_init(dst_vq);
1000 if (ret) {
1001 vb2_queue_release(src_vq);
1002 return ret;
1003 }
1004
1005 return 0;
1006}
1007
1008static int vdec_open(struct file *file)
1009{
1010 struct venus_core *core = video_drvdata(file);
1011 struct venus_inst *inst;
1012 int ret;
1013
1014 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1015 if (!inst)
1016 return -ENOMEM;
1017
1018 INIT_LIST_HEAD(&inst->dpbbufs);
1019 INIT_LIST_HEAD(&inst->registeredbufs);
1020 INIT_LIST_HEAD(&inst->internalbufs);
1021 INIT_LIST_HEAD(&inst->list);
1022 mutex_init(&inst->lock);
1023
1024 inst->core = core;
1025 inst->session_type = VIDC_SESSION_TYPE_DEC;
1026 inst->num_output_bufs = 1;
1027
1028 venus_helper_init_instance(inst);
1029
1030 ret = pm_runtime_get_sync(core->dev_dec);
1031 if (ret < 0)
1032 goto err_free_inst;
1033
1034 ret = vdec_ctrl_init(inst);
1035 if (ret)
1036 goto err_put_sync;
1037
1038 ret = hfi_session_create(inst, &vdec_hfi_ops);
1039 if (ret)
1040 goto err_ctrl_deinit;
1041
1042 vdec_inst_init(inst);
1043
1044
1045
1046
1047
1048 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops);
1049 if (IS_ERR(inst->m2m_dev)) {
1050 ret = PTR_ERR(inst->m2m_dev);
1051 goto err_session_destroy;
1052 }
1053
1054 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1055 if (IS_ERR(inst->m2m_ctx)) {
1056 ret = PTR_ERR(inst->m2m_ctx);
1057 goto err_m2m_release;
1058 }
1059
1060 v4l2_fh_init(&inst->fh, core->vdev_dec);
1061
1062 inst->fh.ctrl_handler = &inst->ctrl_handler;
1063 v4l2_fh_add(&inst->fh);
1064 inst->fh.m2m_ctx = inst->m2m_ctx;
1065 file->private_data = &inst->fh;
1066
1067 return 0;
1068
1069err_m2m_release:
1070 v4l2_m2m_release(inst->m2m_dev);
1071err_session_destroy:
1072 hfi_session_destroy(inst);
1073err_ctrl_deinit:
1074 vdec_ctrl_deinit(inst);
1075err_put_sync:
1076 pm_runtime_put_sync(core->dev_dec);
1077err_free_inst:
1078 kfree(inst);
1079 return ret;
1080}
1081
1082static int vdec_close(struct file *file)
1083{
1084 struct venus_inst *inst = to_inst(file);
1085
1086 v4l2_m2m_ctx_release(inst->m2m_ctx);
1087 v4l2_m2m_release(inst->m2m_dev);
1088 vdec_ctrl_deinit(inst);
1089 hfi_session_destroy(inst);
1090 mutex_destroy(&inst->lock);
1091 v4l2_fh_del(&inst->fh);
1092 v4l2_fh_exit(&inst->fh);
1093
1094 pm_runtime_put_sync(inst->core->dev_dec);
1095
1096 kfree(inst);
1097 return 0;
1098}
1099
1100static const struct v4l2_file_operations vdec_fops = {
1101 .owner = THIS_MODULE,
1102 .open = vdec_open,
1103 .release = vdec_close,
1104 .unlocked_ioctl = video_ioctl2,
1105 .poll = v4l2_m2m_fop_poll,
1106 .mmap = v4l2_m2m_fop_mmap,
1107#ifdef CONFIG_COMPAT
1108 .compat_ioctl32 = v4l2_compat_ioctl32,
1109#endif
1110};
1111
1112static int vdec_probe(struct platform_device *pdev)
1113{
1114 struct device *dev = &pdev->dev;
1115 struct video_device *vdev;
1116 struct venus_core *core;
1117 int ret;
1118
1119 if (!dev->parent)
1120 return -EPROBE_DEFER;
1121
1122 core = dev_get_drvdata(dev->parent);
1123 if (!core)
1124 return -EPROBE_DEFER;
1125
1126 if (IS_V3(core) || IS_V4(core)) {
1127 core->core0_clk = devm_clk_get(dev, "core");
1128 if (IS_ERR(core->core0_clk))
1129 return PTR_ERR(core->core0_clk);
1130 }
1131
1132 if (IS_V4(core)) {
1133 core->core0_bus_clk = devm_clk_get(dev, "bus");
1134 if (IS_ERR(core->core0_bus_clk))
1135 return PTR_ERR(core->core0_bus_clk);
1136 }
1137
1138 platform_set_drvdata(pdev, core);
1139
1140 vdev = video_device_alloc();
1141 if (!vdev)
1142 return -ENOMEM;
1143
1144 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name));
1145 vdev->release = video_device_release;
1146 vdev->fops = &vdec_fops;
1147 vdev->ioctl_ops = &vdec_ioctl_ops;
1148 vdev->vfl_dir = VFL_DIR_M2M;
1149 vdev->v4l2_dev = &core->v4l2_dev;
1150 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1151
1152 ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1153 if (ret)
1154 goto err_vdev_release;
1155
1156 core->vdev_dec = vdev;
1157 core->dev_dec = dev;
1158
1159 video_set_drvdata(vdev, core);
1160 pm_runtime_enable(dev);
1161
1162 return 0;
1163
1164err_vdev_release:
1165 video_device_release(vdev);
1166 return ret;
1167}
1168
1169static int vdec_remove(struct platform_device *pdev)
1170{
1171 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1172
1173 video_unregister_device(core->vdev_dec);
1174 pm_runtime_disable(core->dev_dec);
1175
1176 return 0;
1177}
1178
1179static __maybe_unused int vdec_runtime_suspend(struct device *dev)
1180{
1181 struct venus_core *core = dev_get_drvdata(dev);
1182 int ret;
1183
1184 if (IS_V1(core))
1185 return 0;
1186
1187 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true);
1188 if (ret)
1189 return ret;
1190
1191 if (IS_V4(core))
1192 clk_disable_unprepare(core->core0_bus_clk);
1193
1194 clk_disable_unprepare(core->core0_clk);
1195
1196 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
1197}
1198
1199static __maybe_unused int vdec_runtime_resume(struct device *dev)
1200{
1201 struct venus_core *core = dev_get_drvdata(dev);
1202 int ret;
1203
1204 if (IS_V1(core))
1205 return 0;
1206
1207 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true);
1208 if (ret)
1209 return ret;
1210
1211 ret = clk_prepare_enable(core->core0_clk);
1212 if (ret)
1213 goto err_power_disable;
1214
1215 if (IS_V4(core))
1216 ret = clk_prepare_enable(core->core0_bus_clk);
1217
1218 if (ret)
1219 goto err_unprepare_core0;
1220
1221 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
1222
1223err_unprepare_core0:
1224 clk_disable_unprepare(core->core0_clk);
1225err_power_disable:
1226 venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
1227 return ret;
1228}
1229
1230static const struct dev_pm_ops vdec_pm_ops = {
1231 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1232 pm_runtime_force_resume)
1233 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)
1234};
1235
1236static const struct of_device_id vdec_dt_match[] = {
1237 { .compatible = "venus-decoder" },
1238 { }
1239};
1240MODULE_DEVICE_TABLE(of, vdec_dt_match);
1241
1242static struct platform_driver qcom_venus_dec_driver = {
1243 .probe = vdec_probe,
1244 .remove = vdec_remove,
1245 .driver = {
1246 .name = "qcom-venus-decoder",
1247 .of_match_table = vdec_dt_match,
1248 .pm = &vdec_pm_ops,
1249 },
1250};
1251module_platform_driver(qcom_venus_dec_driver);
1252
1253MODULE_ALIAS("platform:qcom-venus-decoder");
1254MODULE_DESCRIPTION("Qualcomm Venus video decoder driver");
1255MODULE_LICENSE("GPL v2");
1256
