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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 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
41 }, {
42 .pixfmt = V4L2_PIX_FMT_MPEG2,
43 .num_planes = 1,
44 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
45 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
46 }, {
47 .pixfmt = V4L2_PIX_FMT_H263,
48 .num_planes = 1,
49 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
50 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
51 }, {
52 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
53 .num_planes = 1,
54 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
55 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
56 }, {
57 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
58 .num_planes = 1,
59 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
60 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
61 }, {
62 .pixfmt = V4L2_PIX_FMT_H264,
63 .num_planes = 1,
64 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
65 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
66 }, {
67 .pixfmt = V4L2_PIX_FMT_VP8,
68 .num_planes = 1,
69 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
70 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
71 }, {
72 .pixfmt = V4L2_PIX_FMT_VP9,
73 .num_planes = 1,
74 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
75 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
76 }, {
77 .pixfmt = V4L2_PIX_FMT_XVID,
78 .num_planes = 1,
79 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
80 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
81 }, {
82 .pixfmt = V4L2_PIX_FMT_HEVC,
83 .num_planes = 1,
84 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
85 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
86 },
87};
88
89static const struct venus_format *
90find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
91{
92 const struct venus_format *fmt = vdec_formats;
93 unsigned int size = ARRAY_SIZE(vdec_formats);
94 unsigned int i;
95
96 for (i = 0; i < size; i++) {
97 if (fmt[i].pixfmt == pixfmt)
98 break;
99 }
100
101 if (i == size || fmt[i].type != type)
102 return NULL;
103
104 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
105 !venus_helper_check_codec(inst, fmt[i].pixfmt))
106 return NULL;
107
108 return &fmt[i];
109}
110
111static const struct venus_format *
112find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
113{
114 const struct venus_format *fmt = vdec_formats;
115 unsigned int size = ARRAY_SIZE(vdec_formats);
116 unsigned int i, k = 0;
117
118 if (index > size)
119 return NULL;
120
121 for (i = 0; i < size; i++) {
122 bool valid;
123
124 if (fmt[i].type != type)
125 continue;
126 valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ||
127 venus_helper_check_codec(inst, fmt[i].pixfmt);
128 if (k == index && valid)
129 break;
130 if (valid)
131 k++;
132 }
133
134 if (i == size)
135 return NULL;
136
137 return &fmt[i];
138}
139
140static const struct venus_format *
141vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
142{
143 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
144 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
145 const struct venus_format *fmt;
146 u32 szimage;
147
148 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
149 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
150
151 fmt = find_format(inst, pixmp->pixelformat, f->type);
152 if (!fmt) {
153 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
154 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
155 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
156 pixmp->pixelformat = V4L2_PIX_FMT_H264;
157 else
158 return NULL;
159 fmt = find_format(inst, pixmp->pixelformat, f->type);
160 }
161
162 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
163 frame_width_max(inst));
164 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
165 frame_height_max(inst));
166
167 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
168 pixmp->height = ALIGN(pixmp->height, 32);
169
170 if (pixmp->field == V4L2_FIELD_ANY)
171 pixmp->field = V4L2_FIELD_NONE;
172 pixmp->num_planes = fmt->num_planes;
173 pixmp->flags = 0;
174
175 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width,
176 pixmp->height);
177
178 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
179 pfmt[0].sizeimage = szimage;
180 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
181 } else {
182 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M);
183 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage);
184 pfmt[0].bytesperline = 0;
185 }
186
187 return fmt;
188}
189
190static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
191{
192 struct venus_inst *inst = to_inst(file);
193
194 vdec_try_fmt_common(inst, f);
195
196 return 0;
197}
198
199static int vdec_check_src_change(struct venus_inst *inst)
200{
201 int ret;
202
203 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE &&
204 inst->codec_state == VENUS_DEC_STATE_INIT &&
205 !inst->reconfig)
206 return -EINVAL;
207
208 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE)
209 return 0;
210
211
212
213
214
215
216
217 if (inst->codec_state != VENUS_DEC_STATE_INIT)
218 goto done;
219
220 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig,
221 msecs_to_jiffies(100));
222 if (!ret)
223 return -EINVAL;
224
225 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) ||
226 !inst->reconfig)
227 dev_dbg(inst->core->dev, "%s: wrong state\n", __func__);
228
229done:
230 return 0;
231}
232
233static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
234{
235 struct venus_inst *inst = to_inst(file);
236 const struct venus_format *fmt = NULL;
237 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
238 int ret;
239
240 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
241 fmt = inst->fmt_cap;
242 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
243 fmt = inst->fmt_out;
244
245 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
246 ret = vdec_check_src_change(inst);
247 if (ret)
248 return ret;
249 }
250
251 pixmp->pixelformat = fmt->pixfmt;
252
253 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
254 pixmp->width = inst->width;
255 pixmp->height = inst->height;
256 pixmp->colorspace = inst->colorspace;
257 pixmp->ycbcr_enc = inst->ycbcr_enc;
258 pixmp->quantization = inst->quantization;
259 pixmp->xfer_func = inst->xfer_func;
260 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
261 pixmp->width = inst->out_width;
262 pixmp->height = inst->out_height;
263 }
264
265 vdec_try_fmt_common(inst, f);
266
267 return 0;
268}
269
270static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
271{
272 struct venus_inst *inst = to_inst(file);
273 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
274 struct v4l2_pix_format_mplane orig_pixmp;
275 const struct venus_format *fmt;
276 struct v4l2_format format;
277 u32 pixfmt_out = 0, pixfmt_cap = 0;
278
279 orig_pixmp = *pixmp;
280
281 fmt = vdec_try_fmt_common(inst, f);
282
283 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
284 pixfmt_out = pixmp->pixelformat;
285 pixfmt_cap = inst->fmt_cap->pixfmt;
286 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
287 pixfmt_cap = pixmp->pixelformat;
288 pixfmt_out = inst->fmt_out->pixfmt;
289 }
290
291 memset(&format, 0, sizeof(format));
292
293 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
294 format.fmt.pix_mp.pixelformat = pixfmt_out;
295 format.fmt.pix_mp.width = orig_pixmp.width;
296 format.fmt.pix_mp.height = orig_pixmp.height;
297 vdec_try_fmt_common(inst, &format);
298
299 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
300 inst->out_width = format.fmt.pix_mp.width;
301 inst->out_height = format.fmt.pix_mp.height;
302 inst->colorspace = pixmp->colorspace;
303 inst->ycbcr_enc = pixmp->ycbcr_enc;
304 inst->quantization = pixmp->quantization;
305 inst->xfer_func = pixmp->xfer_func;
306 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage;
307 }
308
309 memset(&format, 0, sizeof(format));
310
311 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
312 format.fmt.pix_mp.pixelformat = pixfmt_cap;
313 format.fmt.pix_mp.width = orig_pixmp.width;
314 format.fmt.pix_mp.height = orig_pixmp.height;
315 vdec_try_fmt_common(inst, &format);
316
317 inst->width = format.fmt.pix_mp.width;
318 inst->height = format.fmt.pix_mp.height;
319
320 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
321 inst->fmt_out = fmt;
322 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
323 inst->fmt_cap = fmt;
324
325 return 0;
326}
327
328static int
329vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
330{
331 struct venus_inst *inst = to_inst(file);
332
333 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
334 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
335 return -EINVAL;
336
337 switch (s->target) {
338 case V4L2_SEL_TGT_CROP_BOUNDS:
339 case V4L2_SEL_TGT_CROP_DEFAULT:
340 case V4L2_SEL_TGT_CROP:
341 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
342 return -EINVAL;
343 s->r.width = inst->out_width;
344 s->r.height = inst->out_height;
345 break;
346 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
347 case V4L2_SEL_TGT_COMPOSE_PADDED:
348 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
349 return -EINVAL;
350 s->r.width = inst->width;
351 s->r.height = inst->height;
352 break;
353 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
354 case V4L2_SEL_TGT_COMPOSE:
355 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
356 return -EINVAL;
357 s->r.width = inst->out_width;
358 s->r.height = inst->out_height;
359 break;
360 default:
361 return -EINVAL;
362 }
363
364 s->r.top = 0;
365 s->r.left = 0;
366
367 return 0;
368}
369
370static int
371vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
372{
373 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
374 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
375 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
376
377 return 0;
378}
379
380static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
381{
382 struct venus_inst *inst = to_inst(file);
383 const struct venus_format *fmt;
384
385 memset(f->reserved, 0, sizeof(f->reserved));
386
387 fmt = find_format_by_index(inst, f->index, f->type);
388 if (!fmt)
389 return -EINVAL;
390
391 f->pixelformat = fmt->pixfmt;
392 f->flags = fmt->flags;
393
394 return 0;
395}
396
397static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
398{
399 struct venus_inst *inst = to_inst(file);
400 struct v4l2_captureparm *cap = &a->parm.capture;
401 struct v4l2_fract *timeperframe = &cap->timeperframe;
402 u64 us_per_frame, fps;
403
404 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
405 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
406 return -EINVAL;
407
408 memset(cap->reserved, 0, sizeof(cap->reserved));
409 if (!timeperframe->denominator)
410 timeperframe->denominator = inst->timeperframe.denominator;
411 if (!timeperframe->numerator)
412 timeperframe->numerator = inst->timeperframe.numerator;
413 cap->readbuffers = 0;
414 cap->extendedmode = 0;
415 cap->capability = V4L2_CAP_TIMEPERFRAME;
416 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
417 do_div(us_per_frame, timeperframe->denominator);
418
419 if (!us_per_frame)
420 return -EINVAL;
421
422 fps = (u64)USEC_PER_SEC;
423 do_div(fps, us_per_frame);
424
425 inst->fps = fps;
426 inst->timeperframe = *timeperframe;
427
428 return 0;
429}
430
431static int vdec_enum_framesizes(struct file *file, void *fh,
432 struct v4l2_frmsizeenum *fsize)
433{
434 struct venus_inst *inst = to_inst(file);
435 const struct venus_format *fmt;
436
437 fmt = find_format(inst, fsize->pixel_format,
438 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
439 if (!fmt) {
440 fmt = find_format(inst, fsize->pixel_format,
441 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
442 if (!fmt)
443 return -EINVAL;
444 }
445
446 if (fsize->index)
447 return -EINVAL;
448
449 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
450
451 fsize->stepwise.min_width = frame_width_min(inst);
452 fsize->stepwise.max_width = frame_width_max(inst);
453 fsize->stepwise.step_width = frame_width_step(inst);
454 fsize->stepwise.min_height = frame_height_min(inst);
455 fsize->stepwise.max_height = frame_height_max(inst);
456 fsize->stepwise.step_height = frame_height_step(inst);
457
458 return 0;
459}
460
461static int vdec_subscribe_event(struct v4l2_fh *fh,
462 const struct v4l2_event_subscription *sub)
463{
464 struct venus_inst *inst = container_of(fh, struct venus_inst, fh);
465 int ret;
466
467 switch (sub->type) {
468 case V4L2_EVENT_EOS:
469 return v4l2_event_subscribe(fh, sub, 2, NULL);
470 case V4L2_EVENT_SOURCE_CHANGE:
471 ret = v4l2_src_change_event_subscribe(fh, sub);
472 if (ret)
473 return ret;
474 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE;
475 return 0;
476 case V4L2_EVENT_CTRL:
477 return v4l2_ctrl_subscribe_event(fh, sub);
478 default:
479 return -EINVAL;
480 }
481}
482
483static int
484vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
485{
486 struct venus_inst *inst = to_inst(file);
487 struct hfi_frame_data fdata = {0};
488 int ret;
489
490 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
491 if (ret)
492 return ret;
493
494 mutex_lock(&inst->lock);
495
496 if (cmd->cmd == V4L2_DEC_CMD_STOP) {
497
498
499
500
501 if (!(inst->streamon_out && inst->streamon_cap))
502 goto unlock;
503
504 fdata.buffer_type = HFI_BUFFER_INPUT;
505 fdata.flags |= HFI_BUFFERFLAG_EOS;
506 fdata.device_addr = 0xdeadb000;
507
508 ret = hfi_session_process_buf(inst, &fdata);
509
510 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING)
511 inst->codec_state = VENUS_DEC_STATE_DRAIN;
512 }
513
514unlock:
515 mutex_unlock(&inst->lock);
516 return ret;
517}
518
519static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
520 .vidioc_querycap = vdec_querycap,
521 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt,
522 .vidioc_enum_fmt_vid_out = vdec_enum_fmt,
523 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
524 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
525 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
526 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
527 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
528 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
529 .vidioc_g_selection = vdec_g_selection,
530 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
531 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
532 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
533 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
534 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
535 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
536 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
537 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
538 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
539 .vidioc_s_parm = vdec_s_parm,
540 .vidioc_enum_framesizes = vdec_enum_framesizes,
541 .vidioc_subscribe_event = vdec_subscribe_event,
542 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
543 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,
544 .vidioc_decoder_cmd = vdec_decoder_cmd,
545};
546
547static int vdec_set_properties(struct venus_inst *inst)
548{
549 struct vdec_controls *ctr = &inst->controls.dec;
550 struct hfi_enable en = { .enable = 1 };
551 u32 ptype;
552 int ret;
553
554 if (ctr->post_loop_deb_mode) {
555 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
556 ret = hfi_session_set_property(inst, ptype, &en);
557 if (ret)
558 return ret;
559 }
560
561 return 0;
562}
563
564#define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE))
565
566static int vdec_output_conf(struct venus_inst *inst)
567{
568 struct venus_core *core = inst->core;
569 struct hfi_enable en = { .enable = 1 };
570 u32 width = inst->out_width;
571 u32 height = inst->out_height;
572 u32 out_fmt, out2_fmt;
573 bool ubwc = false;
574 u32 ptype;
575 int ret;
576
577 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
578 if (ret)
579 return ret;
580
581 ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_1);
582 if (ret)
583 return ret;
584
585 if (core->res->hfi_version == HFI_VERSION_1XX) {
586 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
587 ret = hfi_session_set_property(inst, ptype, &en);
588 if (ret)
589 return ret;
590 }
591
592
593 if (width > 1920 && height > ALIGN(1080, 32))
594 ubwc = true;
595
596
597 if (IS_V4(core))
598 ubwc = true;
599
600 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt,
601 &out2_fmt, ubwc);
602 if (ret)
603 return ret;
604
605 inst->output_buf_size =
606 venus_helper_get_framesz_raw(out_fmt, width, height);
607 inst->output2_buf_size =
608 venus_helper_get_framesz_raw(out2_fmt, width, height);
609
610 if (is_ubwc_fmt(out_fmt)) {
611 inst->opb_buftype = HFI_BUFFER_OUTPUT2;
612 inst->opb_fmt = out2_fmt;
613 inst->dpb_buftype = HFI_BUFFER_OUTPUT;
614 inst->dpb_fmt = out_fmt;
615 } else if (is_ubwc_fmt(out2_fmt)) {
616 inst->opb_buftype = HFI_BUFFER_OUTPUT;
617 inst->opb_fmt = out_fmt;
618 inst->dpb_buftype = HFI_BUFFER_OUTPUT2;
619 inst->dpb_fmt = out2_fmt;
620 } else {
621 inst->opb_buftype = HFI_BUFFER_OUTPUT;
622 inst->opb_fmt = out_fmt;
623 inst->dpb_buftype = 0;
624 inst->dpb_fmt = 0;
625 }
626
627 ret = venus_helper_set_raw_format(inst, inst->opb_fmt,
628 inst->opb_buftype);
629 if (ret)
630 return ret;
631
632 if (inst->dpb_fmt) {
633 ret = venus_helper_set_multistream(inst, false, true);
634 if (ret)
635 return ret;
636
637 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt,
638 inst->dpb_buftype);
639 if (ret)
640 return ret;
641
642 ret = venus_helper_set_output_resolution(inst, width, height,
643 HFI_BUFFER_OUTPUT2);
644 if (ret)
645 return ret;
646 }
647
648 if (IS_V3(core) || IS_V4(core)) {
649 if (inst->output2_buf_size) {
650 ret = venus_helper_set_bufsize(inst,
651 inst->output2_buf_size,
652 HFI_BUFFER_OUTPUT2);
653 if (ret)
654 return ret;
655 }
656
657 if (inst->output_buf_size) {
658 ret = venus_helper_set_bufsize(inst,
659 inst->output_buf_size,
660 HFI_BUFFER_OUTPUT);
661 if (ret)
662 return ret;
663 }
664 }
665
666 ret = venus_helper_set_dyn_bufmode(inst);
667 if (ret)
668 return ret;
669
670 return 0;
671}
672
673static int vdec_session_init(struct venus_inst *inst)
674{
675 int ret;
676
677 ret = hfi_session_init(inst, inst->fmt_out->pixfmt);
678 if (ret == -EINVAL)
679 return 0;
680 else if (ret)
681 return ret;
682
683 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst),
684 frame_height_min(inst));
685 if (ret)
686 goto deinit;
687
688 return 0;
689deinit:
690 hfi_session_deinit(inst);
691 return ret;
692}
693
694static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num,
695 unsigned int *out_num)
696{
697 enum hfi_version ver = inst->core->res->hfi_version;
698 struct hfi_buffer_requirements bufreq;
699 int ret;
700
701 *in_num = *out_num = 0;
702
703 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
704 if (ret)
705 return ret;
706
707 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
708
709 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
710 if (ret)
711 return ret;
712
713 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
714
715 return 0;
716}
717
718static int vdec_queue_setup(struct vb2_queue *q,
719 unsigned int *num_buffers, unsigned int *num_planes,
720 unsigned int sizes[], struct device *alloc_devs[])
721{
722 struct venus_inst *inst = vb2_get_drv_priv(q);
723 unsigned int in_num, out_num;
724 int ret = 0;
725
726 if (*num_planes) {
727 unsigned int output_buf_size = venus_helper_get_opb_size(inst);
728
729 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
730 *num_planes != inst->fmt_out->num_planes)
731 return -EINVAL;
732
733 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
734 *num_planes != inst->fmt_cap->num_planes)
735 return -EINVAL;
736
737 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
738 sizes[0] < inst->input_buf_size)
739 return -EINVAL;
740
741 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
742 sizes[0] < output_buf_size)
743 return -EINVAL;
744
745 return 0;
746 }
747
748 ret = vdec_session_init(inst);
749 if (ret)
750 return ret;
751
752 ret = vdec_num_buffers(inst, &in_num, &out_num);
753 if (ret)
754 return ret;
755
756 switch (q->type) {
757 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
758 *num_planes = inst->fmt_out->num_planes;
759 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
760 inst->out_width,
761 inst->out_height);
762 sizes[0] = max(sizes[0], inst->input_buf_size);
763 inst->input_buf_size = sizes[0];
764 *num_buffers = max(*num_buffers, in_num);
765 inst->num_input_bufs = *num_buffers;
766 inst->num_output_bufs = out_num;
767 break;
768 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
769 *num_planes = inst->fmt_cap->num_planes;
770 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
771 inst->width,
772 inst->height);
773 inst->output_buf_size = sizes[0];
774 *num_buffers = max(*num_buffers, out_num);
775 inst->num_output_bufs = *num_buffers;
776
777 mutex_lock(&inst->lock);
778 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP)
779 inst->codec_state = VENUS_DEC_STATE_STOPPED;
780 mutex_unlock(&inst->lock);
781 break;
782 default:
783 ret = -EINVAL;
784 break;
785 }
786
787 return ret;
788}
789
790static int vdec_verify_conf(struct venus_inst *inst)
791{
792 enum hfi_version ver = inst->core->res->hfi_version;
793 struct hfi_buffer_requirements bufreq;
794 int ret;
795
796 if (!inst->num_input_bufs || !inst->num_output_bufs)
797 return -EINVAL;
798
799 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
800 if (ret)
801 return ret;
802
803 if (inst->num_output_bufs < bufreq.count_actual ||
804 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
805 return -EINVAL;
806
807 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
808 if (ret)
809 return ret;
810
811 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
812 return -EINVAL;
813
814 return 0;
815}
816
817static int vdec_start_capture(struct venus_inst *inst)
818{
819 int ret;
820
821 if (!inst->streamon_out)
822 return 0;
823
824 if (inst->codec_state == VENUS_DEC_STATE_DECODING) {
825 if (inst->reconfig)
826 goto reconfigure;
827
828 venus_helper_queue_dpb_bufs(inst);
829 venus_helper_process_initial_cap_bufs(inst);
830 inst->streamon_cap = 1;
831 return 0;
832 }
833
834 if (inst->codec_state != VENUS_DEC_STATE_STOPPED)
835 return 0;
836
837reconfigure:
838 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT);
839 if (ret)
840 return ret;
841
842 ret = vdec_output_conf(inst);
843 if (ret)
844 return ret;
845
846 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
847 VB2_MAX_FRAME, VB2_MAX_FRAME);
848 if (ret)
849 return ret;
850
851 ret = venus_helper_intbufs_realloc(inst);
852 if (ret)
853 goto err;
854
855 ret = venus_helper_alloc_dpb_bufs(inst);
856 if (ret)
857 goto err;
858
859 ret = venus_helper_queue_dpb_bufs(inst);
860 if (ret)
861 goto free_dpb_bufs;
862
863 ret = venus_helper_process_initial_cap_bufs(inst);
864 if (ret)
865 goto free_dpb_bufs;
866
867 venus_helper_load_scale_clocks(inst->core);
868
869 ret = hfi_session_continue(inst);
870 if (ret)
871 goto free_dpb_bufs;
872
873 inst->codec_state = VENUS_DEC_STATE_DECODING;
874
875 inst->streamon_cap = 1;
876 inst->sequence_cap = 0;
877 inst->reconfig = false;
878
879 return 0;
880
881free_dpb_bufs:
882 venus_helper_free_dpb_bufs(inst);
883err:
884 return ret;
885}
886
887static int vdec_start_output(struct venus_inst *inst)
888{
889 int ret;
890
891 if (inst->codec_state == VENUS_DEC_STATE_SEEK) {
892 ret = venus_helper_process_initial_out_bufs(inst);
893 inst->codec_state = VENUS_DEC_STATE_DECODING;
894 goto done;
895 }
896
897 if (inst->codec_state == VENUS_DEC_STATE_INIT ||
898 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) {
899 ret = venus_helper_process_initial_out_bufs(inst);
900 goto done;
901 }
902
903 if (inst->codec_state != VENUS_DEC_STATE_DEINIT)
904 return -EINVAL;
905
906 venus_helper_init_instance(inst);
907 inst->sequence_out = 0;
908 inst->reconfig = false;
909
910 ret = vdec_set_properties(inst);
911 if (ret)
912 return ret;
913
914 ret = vdec_output_conf(inst);
915 if (ret)
916 return ret;
917
918 ret = vdec_verify_conf(inst);
919 if (ret)
920 return ret;
921
922 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
923 VB2_MAX_FRAME, VB2_MAX_FRAME);
924 if (ret)
925 return ret;
926
927 ret = venus_helper_vb2_start_streaming(inst);
928 if (ret)
929 return ret;
930
931 ret = venus_helper_process_initial_out_bufs(inst);
932 if (ret)
933 return ret;
934
935 inst->codec_state = VENUS_DEC_STATE_INIT;
936
937done:
938 inst->streamon_out = 1;
939 return ret;
940}
941
942static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
943{
944 struct venus_inst *inst = vb2_get_drv_priv(q);
945 int ret;
946
947 mutex_lock(&inst->lock);
948
949 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
950 ret = vdec_start_capture(inst);
951 else
952 ret = vdec_start_output(inst);
953
954 if (ret)
955 goto error;
956
957 mutex_unlock(&inst->lock);
958 return 0;
959
960error:
961 venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
962 mutex_unlock(&inst->lock);
963 return ret;
964}
965
966static void vdec_cancel_dst_buffers(struct venus_inst *inst)
967{
968 struct vb2_v4l2_buffer *buf;
969
970 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
971 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
972}
973
974static int vdec_stop_capture(struct venus_inst *inst)
975{
976 int ret = 0;
977
978 switch (inst->codec_state) {
979 case VENUS_DEC_STATE_DECODING:
980 ret = hfi_session_flush(inst, HFI_FLUSH_ALL);
981
982 case VENUS_DEC_STATE_DRAIN:
983 vdec_cancel_dst_buffers(inst);
984 inst->codec_state = VENUS_DEC_STATE_STOPPED;
985 break;
986 case VENUS_DEC_STATE_DRC:
987 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT);
988 vdec_cancel_dst_buffers(inst);
989 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
990 INIT_LIST_HEAD(&inst->registeredbufs);
991 venus_helper_free_dpb_bufs(inst);
992 break;
993 default:
994 return 0;
995 }
996
997 return ret;
998}
999
1000static int vdec_stop_output(struct venus_inst *inst)
1001{
1002 int ret = 0;
1003
1004 switch (inst->codec_state) {
1005 case VENUS_DEC_STATE_DECODING:
1006 case VENUS_DEC_STATE_DRAIN:
1007 case VENUS_DEC_STATE_STOPPED:
1008 ret = hfi_session_flush(inst, HFI_FLUSH_ALL);
1009 inst->codec_state = VENUS_DEC_STATE_SEEK;
1010 break;
1011 case VENUS_DEC_STATE_INIT:
1012 case VENUS_DEC_STATE_CAPTURE_SETUP:
1013 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT);
1014 break;
1015 default:
1016 break;
1017 }
1018
1019 return ret;
1020}
1021
1022static void vdec_stop_streaming(struct vb2_queue *q)
1023{
1024 struct venus_inst *inst = vb2_get_drv_priv(q);
1025 int ret = -EINVAL;
1026
1027 mutex_lock(&inst->lock);
1028
1029 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1030 ret = vdec_stop_capture(inst);
1031 else
1032 ret = vdec_stop_output(inst);
1033
1034 venus_helper_buffers_done(inst, VB2_BUF_STATE_ERROR);
1035
1036 if (ret)
1037 goto unlock;
1038
1039 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1040 inst->streamon_out = 0;
1041 else
1042 inst->streamon_cap = 0;
1043
1044unlock:
1045 mutex_unlock(&inst->lock);
1046}
1047
1048static void vdec_session_release(struct venus_inst *inst)
1049{
1050 struct venus_core *core = inst->core;
1051 int ret, abort = 0;
1052
1053 mutex_lock(&inst->lock);
1054
1055 inst->codec_state = VENUS_DEC_STATE_DEINIT;
1056
1057 ret = hfi_session_stop(inst);
1058 abort = (ret && ret != -EINVAL) ? 1 : 0;
1059 ret = hfi_session_unload_res(inst);
1060 abort = (ret && ret != -EINVAL) ? 1 : 0;
1061 ret = venus_helper_unregister_bufs(inst);
1062 abort = (ret && ret != -EINVAL) ? 1 : 0;
1063 ret = venus_helper_intbufs_free(inst);
1064 abort = (ret && ret != -EINVAL) ? 1 : 0;
1065 ret = hfi_session_deinit(inst);
1066 abort = (ret && ret != -EINVAL) ? 1 : 0;
1067
1068 if (inst->session_error || core->sys_error)
1069 abort = 1;
1070
1071 if (abort)
1072 hfi_session_abort(inst);
1073
1074 venus_helper_free_dpb_bufs(inst);
1075 venus_helper_load_scale_clocks(core);
1076 INIT_LIST_HEAD(&inst->registeredbufs);
1077
1078 mutex_unlock(&inst->lock);
1079}
1080
1081static int vdec_buf_init(struct vb2_buffer *vb)
1082{
1083 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1084
1085 inst->buf_count++;
1086
1087 return venus_helper_vb2_buf_init(vb);
1088}
1089
1090static void vdec_buf_cleanup(struct vb2_buffer *vb)
1091{
1092 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1093
1094 inst->buf_count--;
1095 if (!inst->buf_count)
1096 vdec_session_release(inst);
1097}
1098
1099static const struct vb2_ops vdec_vb2_ops = {
1100 .queue_setup = vdec_queue_setup,
1101 .buf_init = vdec_buf_init,
1102 .buf_cleanup = vdec_buf_cleanup,
1103 .buf_prepare = venus_helper_vb2_buf_prepare,
1104 .start_streaming = vdec_start_streaming,
1105 .stop_streaming = vdec_stop_streaming,
1106 .buf_queue = venus_helper_vb2_buf_queue,
1107};
1108
1109static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
1110 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1111 u32 hfi_flags, u64 timestamp_us)
1112{
1113 enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
1114 struct vb2_v4l2_buffer *vbuf;
1115 struct vb2_buffer *vb;
1116 unsigned int type;
1117
1118 if (buf_type == HFI_BUFFER_INPUT)
1119 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1120 else
1121 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1122
1123 vbuf = venus_helper_find_buf(inst, type, tag);
1124 if (!vbuf)
1125 return;
1126
1127 vbuf->flags = flags;
1128 vbuf->field = V4L2_FIELD_NONE;
1129 vb = &vbuf->vb2_buf;
1130
1131 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1132 vb2_set_plane_payload(vb, 0, bytesused);
1133 vb->planes[0].data_offset = data_offset;
1134 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1135 vbuf->sequence = inst->sequence_cap++;
1136
1137 if (vbuf->flags & V4L2_BUF_FLAG_LAST) {
1138 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
1139
1140 v4l2_event_queue_fh(&inst->fh, &ev);
1141
1142 if (inst->codec_state == VENUS_DEC_STATE_DRAIN)
1143 inst->codec_state = VENUS_DEC_STATE_STOPPED;
1144 }
1145 } else {
1146 vbuf->sequence = inst->sequence_out++;
1147 }
1148
1149 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf);
1150
1151 if (hfi_flags & HFI_BUFFERFLAG_READONLY)
1152 venus_helper_acquire_buf_ref(vbuf);
1153
1154 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)
1155 state = VB2_BUF_STATE_ERROR;
1156
1157 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) {
1158 state = VB2_BUF_STATE_ERROR;
1159 vb2_set_plane_payload(vb, 0, 0);
1160 vb->timestamp = 0;
1161 }
1162
1163 v4l2_m2m_buf_done(vbuf, state);
1164}
1165
1166static void vdec_event_change(struct venus_inst *inst,
1167 struct hfi_event_data *ev_data, bool sufficient)
1168{
1169 static const struct v4l2_event ev = {
1170 .type = V4L2_EVENT_SOURCE_CHANGE,
1171 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
1172 struct device *dev = inst->core->dev_dec;
1173 struct v4l2_format format = {};
1174
1175 mutex_lock(&inst->lock);
1176
1177 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1178 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;
1179 format.fmt.pix_mp.width = ev_data->width;
1180 format.fmt.pix_mp.height = ev_data->height;
1181
1182 vdec_try_fmt_common(inst, &format);
1183
1184 inst->width = format.fmt.pix_mp.width;
1185 inst->height = format.fmt.pix_mp.height;
1186
1187 inst->out_width = ev_data->width;
1188 inst->out_height = ev_data->height;
1189
1190 dev_dbg(dev, "event %s sufficient resources (%ux%u)\n",
1191 sufficient ? "" : "not", ev_data->width, ev_data->height);
1192
1193 if (sufficient) {
1194 hfi_session_continue(inst);
1195 } else {
1196 switch (inst->codec_state) {
1197 case VENUS_DEC_STATE_INIT:
1198 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
1199 break;
1200 case VENUS_DEC_STATE_DECODING:
1201 inst->codec_state = VENUS_DEC_STATE_DRC;
1202 break;
1203 default:
1204 break;
1205 }
1206 }
1207
1208 inst->reconfig = true;
1209 v4l2_event_queue_fh(&inst->fh, &ev);
1210 wake_up(&inst->reconf_wait);
1211
1212 mutex_unlock(&inst->lock);
1213}
1214
1215static void vdec_event_notify(struct venus_inst *inst, u32 event,
1216 struct hfi_event_data *data)
1217{
1218 struct venus_core *core = inst->core;
1219 struct device *dev = core->dev_dec;
1220
1221 switch (event) {
1222 case EVT_SESSION_ERROR:
1223 inst->session_error = true;
1224 dev_err(dev, "dec: event session error %x\n", inst->error);
1225 break;
1226 case EVT_SYS_EVENT_CHANGE:
1227 switch (data->event_type) {
1228 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
1229 vdec_event_change(inst, data, true);
1230 break;
1231 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:
1232 vdec_event_change(inst, data, false);
1233 break;
1234 case HFI_EVENT_RELEASE_BUFFER_REFERENCE:
1235 venus_helper_release_buf_ref(inst, data->tag);
1236 break;
1237 default:
1238 break;
1239 }
1240 break;
1241 default:
1242 break;
1243 }
1244}
1245
1246static const struct hfi_inst_ops vdec_hfi_ops = {
1247 .buf_done = vdec_buf_done,
1248 .event_notify = vdec_event_notify,
1249};
1250
1251static void vdec_inst_init(struct venus_inst *inst)
1252{
1253 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1254 inst->fmt_out = &vdec_formats[6];
1255 inst->fmt_cap = &vdec_formats[0];
1256 inst->width = frame_width_min(inst);
1257 inst->height = ALIGN(frame_height_min(inst), 32);
1258 inst->out_width = frame_width_min(inst);
1259 inst->out_height = frame_height_min(inst);
1260 inst->fps = 30;
1261 inst->timeperframe.numerator = 1;
1262 inst->timeperframe.denominator = 30;
1263 inst->opb_buftype = HFI_BUFFER_OUTPUT;
1264}
1265
1266static void vdec_m2m_device_run(void *priv)
1267{
1268}
1269
1270static const struct v4l2_m2m_ops vdec_m2m_ops = {
1271 .device_run = vdec_m2m_device_run,
1272 .job_abort = venus_helper_m2m_job_abort,
1273};
1274
1275static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1276 struct vb2_queue *dst_vq)
1277{
1278 struct venus_inst *inst = priv;
1279 int ret;
1280
1281 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1282 src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1283 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1284 src_vq->ops = &vdec_vb2_ops;
1285 src_vq->mem_ops = &vb2_dma_sg_memops;
1286 src_vq->drv_priv = inst;
1287 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1288 src_vq->allow_zero_bytesused = 1;
1289 src_vq->min_buffers_needed = 0;
1290 src_vq->dev = inst->core->dev;
1291 ret = vb2_queue_init(src_vq);
1292 if (ret)
1293 return ret;
1294
1295 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1296 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1297 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1298 dst_vq->ops = &vdec_vb2_ops;
1299 dst_vq->mem_ops = &vb2_dma_sg_memops;
1300 dst_vq->drv_priv = inst;
1301 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1302 dst_vq->allow_zero_bytesused = 1;
1303 dst_vq->min_buffers_needed = 0;
1304 dst_vq->dev = inst->core->dev;
1305 ret = vb2_queue_init(dst_vq);
1306 if (ret) {
1307 vb2_queue_release(src_vq);
1308 return ret;
1309 }
1310
1311 return 0;
1312}
1313
1314static int vdec_open(struct file *file)
1315{
1316 struct venus_core *core = video_drvdata(file);
1317 struct venus_inst *inst;
1318 int ret;
1319
1320 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1321 if (!inst)
1322 return -ENOMEM;
1323
1324 INIT_LIST_HEAD(&inst->dpbbufs);
1325 INIT_LIST_HEAD(&inst->registeredbufs);
1326 INIT_LIST_HEAD(&inst->internalbufs);
1327 INIT_LIST_HEAD(&inst->list);
1328 mutex_init(&inst->lock);
1329
1330 inst->core = core;
1331 inst->session_type = VIDC_SESSION_TYPE_DEC;
1332 inst->num_output_bufs = 1;
1333 inst->codec_state = VENUS_DEC_STATE_DEINIT;
1334 inst->buf_count = 0;
1335 init_waitqueue_head(&inst->reconf_wait);
1336 venus_helper_init_instance(inst);
1337
1338 ret = pm_runtime_get_sync(core->dev_dec);
1339 if (ret < 0)
1340 goto err_free_inst;
1341
1342 ret = vdec_ctrl_init(inst);
1343 if (ret)
1344 goto err_put_sync;
1345
1346 ret = hfi_session_create(inst, &vdec_hfi_ops);
1347 if (ret)
1348 goto err_ctrl_deinit;
1349
1350 vdec_inst_init(inst);
1351
1352
1353
1354
1355
1356 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops);
1357 if (IS_ERR(inst->m2m_dev)) {
1358 ret = PTR_ERR(inst->m2m_dev);
1359 goto err_session_destroy;
1360 }
1361
1362 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1363 if (IS_ERR(inst->m2m_ctx)) {
1364 ret = PTR_ERR(inst->m2m_ctx);
1365 goto err_m2m_release;
1366 }
1367
1368 v4l2_fh_init(&inst->fh, core->vdev_dec);
1369
1370 inst->fh.ctrl_handler = &inst->ctrl_handler;
1371 v4l2_fh_add(&inst->fh);
1372 inst->fh.m2m_ctx = inst->m2m_ctx;
1373 file->private_data = &inst->fh;
1374
1375 return 0;
1376
1377err_m2m_release:
1378 v4l2_m2m_release(inst->m2m_dev);
1379err_session_destroy:
1380 hfi_session_destroy(inst);
1381err_ctrl_deinit:
1382 vdec_ctrl_deinit(inst);
1383err_put_sync:
1384 pm_runtime_put_sync(core->dev_dec);
1385err_free_inst:
1386 kfree(inst);
1387 return ret;
1388}
1389
1390static int vdec_close(struct file *file)
1391{
1392 struct venus_inst *inst = to_inst(file);
1393
1394 v4l2_m2m_ctx_release(inst->m2m_ctx);
1395 v4l2_m2m_release(inst->m2m_dev);
1396 vdec_ctrl_deinit(inst);
1397 hfi_session_destroy(inst);
1398 mutex_destroy(&inst->lock);
1399 v4l2_fh_del(&inst->fh);
1400 v4l2_fh_exit(&inst->fh);
1401
1402 pm_runtime_put_sync(inst->core->dev_dec);
1403
1404 kfree(inst);
1405 return 0;
1406}
1407
1408static const struct v4l2_file_operations vdec_fops = {
1409 .owner = THIS_MODULE,
1410 .open = vdec_open,
1411 .release = vdec_close,
1412 .unlocked_ioctl = video_ioctl2,
1413 .poll = v4l2_m2m_fop_poll,
1414 .mmap = v4l2_m2m_fop_mmap,
1415#ifdef CONFIG_COMPAT
1416 .compat_ioctl32 = v4l2_compat_ioctl32,
1417#endif
1418};
1419
1420static int vdec_probe(struct platform_device *pdev)
1421{
1422 struct device *dev = &pdev->dev;
1423 struct video_device *vdev;
1424 struct venus_core *core;
1425 int ret;
1426
1427 if (!dev->parent)
1428 return -EPROBE_DEFER;
1429
1430 core = dev_get_drvdata(dev->parent);
1431 if (!core)
1432 return -EPROBE_DEFER;
1433
1434 if (IS_V3(core) || IS_V4(core)) {
1435 core->core0_clk = devm_clk_get(dev, "core");
1436 if (IS_ERR(core->core0_clk))
1437 return PTR_ERR(core->core0_clk);
1438 }
1439
1440 if (IS_V4(core)) {
1441 core->core0_bus_clk = devm_clk_get(dev, "bus");
1442 if (IS_ERR(core->core0_bus_clk))
1443 return PTR_ERR(core->core0_bus_clk);
1444 }
1445
1446 platform_set_drvdata(pdev, core);
1447
1448 vdev = video_device_alloc();
1449 if (!vdev)
1450 return -ENOMEM;
1451
1452 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name));
1453 vdev->release = video_device_release;
1454 vdev->fops = &vdec_fops;
1455 vdev->ioctl_ops = &vdec_ioctl_ops;
1456 vdev->vfl_dir = VFL_DIR_M2M;
1457 vdev->v4l2_dev = &core->v4l2_dev;
1458 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1459
1460 ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1461 if (ret)
1462 goto err_vdev_release;
1463
1464 core->vdev_dec = vdev;
1465 core->dev_dec = dev;
1466
1467 video_set_drvdata(vdev, core);
1468 pm_runtime_enable(dev);
1469
1470 return 0;
1471
1472err_vdev_release:
1473 video_device_release(vdev);
1474 return ret;
1475}
1476
1477static int vdec_remove(struct platform_device *pdev)
1478{
1479 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1480
1481 video_unregister_device(core->vdev_dec);
1482 pm_runtime_disable(core->dev_dec);
1483
1484 return 0;
1485}
1486
1487static __maybe_unused int vdec_runtime_suspend(struct device *dev)
1488{
1489 struct venus_core *core = dev_get_drvdata(dev);
1490 int ret;
1491
1492 if (IS_V1(core))
1493 return 0;
1494
1495 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true);
1496 if (ret)
1497 return ret;
1498
1499 if (IS_V4(core))
1500 clk_disable_unprepare(core->core0_bus_clk);
1501
1502 clk_disable_unprepare(core->core0_clk);
1503
1504 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
1505}
1506
1507static __maybe_unused int vdec_runtime_resume(struct device *dev)
1508{
1509 struct venus_core *core = dev_get_drvdata(dev);
1510 int ret;
1511
1512 if (IS_V1(core))
1513 return 0;
1514
1515 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, true);
1516 if (ret)
1517 return ret;
1518
1519 ret = clk_prepare_enable(core->core0_clk);
1520 if (ret)
1521 goto err_power_disable;
1522
1523 if (IS_V4(core))
1524 ret = clk_prepare_enable(core->core0_bus_clk);
1525
1526 if (ret)
1527 goto err_unprepare_core0;
1528
1529 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
1530
1531err_unprepare_core0:
1532 clk_disable_unprepare(core->core0_clk);
1533err_power_disable:
1534 venus_helper_power_enable(core, VIDC_SESSION_TYPE_DEC, false);
1535 return ret;
1536}
1537
1538static const struct dev_pm_ops vdec_pm_ops = {
1539 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1540 pm_runtime_force_resume)
1541 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)
1542};
1543
1544static const struct of_device_id vdec_dt_match[] = {
1545 { .compatible = "venus-decoder" },
1546 { }
1547};
1548MODULE_DEVICE_TABLE(of, vdec_dt_match);
1549
1550static struct platform_driver qcom_venus_dec_driver = {
1551 .probe = vdec_probe,
1552 .remove = vdec_remove,
1553 .driver = {
1554 .name = "qcom-venus-decoder",
1555 .of_match_table = vdec_dt_match,
1556 .pm = &vdec_pm_ops,
1557 },
1558};
1559module_platform_driver(qcom_venus_dec_driver);
1560
1561MODULE_ALIAS("platform:qcom-venus-decoder");
1562MODULE_DESCRIPTION("Qualcomm Venus video decoder driver");
1563MODULE_LICENSE("GPL v2");
1564
