1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2017 Linaro Ltd.
5 */
6 #include <linux/clk.h>
7 #include <linux/module.h>
8 #include <linux/mod_devicetable.h>
9 #include <linux/platform_device.h>
10 #include <linux/pm_runtime.h>
11 #include <linux/slab.h>
12 #include <media/v4l2-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-contig.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 * Three resons to keep MPLANE formats (despite that the number of planes
27 * currently is one):
28 * - the MPLANE formats allow only one plane to be used
29 * - the downstream driver use MPLANE formats too
30 * - future firmware versions could add support for >1 planes
31 */
32 static const struct venus_format vdec_formats[] = {
33 {
34 .pixfmt = V4L2_PIX_FMT_QC08C,
35 .num_planes = 1,
36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
37 }, {
38 .pixfmt = V4L2_PIX_FMT_QC10C,
39 .num_planes = 1,
40 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
41 },{
42 .pixfmt = V4L2_PIX_FMT_NV12,
43 .num_planes = 1,
44 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
45 }, {
46 .pixfmt = V4L2_PIX_FMT_MPEG4,
47 .num_planes = 1,
48 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
49 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
50 }, {
51 .pixfmt = V4L2_PIX_FMT_MPEG2,
52 .num_planes = 1,
53 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
54 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
55 }, {
56 .pixfmt = V4L2_PIX_FMT_H263,
57 .num_planes = 1,
58 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
59 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
60 }, {
61 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
62 .num_planes = 1,
63 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
64 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
65 }, {
66 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
67 .num_planes = 1,
68 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
69 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
70 }, {
71 .pixfmt = V4L2_PIX_FMT_H264,
72 .num_planes = 1,
73 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
74 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
75 }, {
76 .pixfmt = V4L2_PIX_FMT_VP8,
77 .num_planes = 1,
78 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
79 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
80 }, {
81 .pixfmt = V4L2_PIX_FMT_VP9,
82 .num_planes = 1,
83 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
84 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
85 }, {
86 .pixfmt = V4L2_PIX_FMT_XVID,
87 .num_planes = 1,
88 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
89 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
90 }, {
91 .pixfmt = V4L2_PIX_FMT_HEVC,
92 .num_planes = 1,
93 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
94 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
95 },
96 };
97
98 static const struct venus_format *
find_format(struct venus_inst * inst,u32 pixfmt,u32 type)99 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
100 {
101 const struct venus_format *fmt = vdec_formats;
102 unsigned int size = ARRAY_SIZE(vdec_formats);
103 unsigned int i;
104
105 for (i = 0; i < size; i++) {
106 if (fmt[i].pixfmt == pixfmt)
107 break;
108 }
109
110 if (i == size || fmt[i].type != type)
111 return NULL;
112
113 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
114 !venus_helper_check_codec(inst, fmt[i].pixfmt))
115 return NULL;
116
117 if (V4L2_TYPE_IS_CAPTURE(type) &&
118 !venus_helper_check_format(inst, fmt[i].pixfmt))
119 return NULL;
120
121 if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&
122 !(inst->bit_depth == VIDC_BITDEPTH_10))
123 return NULL;
124
125 return &fmt[i];
126 }
127
128 static const struct venus_format *
find_format_by_index(struct venus_inst * inst,unsigned int index,u32 type)129 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
130 {
131 const struct venus_format *fmt = vdec_formats;
132 unsigned int size = ARRAY_SIZE(vdec_formats);
133 unsigned int i, k = 0;
134
135 if (index > size)
136 return NULL;
137
138 for (i = 0; i < size; i++) {
139 bool valid;
140
141 if (fmt[i].type != type)
142 continue;
143
144 if (V4L2_TYPE_IS_OUTPUT(type)) {
145 valid = venus_helper_check_codec(inst, fmt[i].pixfmt);
146 } else if (V4L2_TYPE_IS_CAPTURE(type)) {
147 valid = venus_helper_check_format(inst, fmt[i].pixfmt);
148
149 if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&
150 !(inst->bit_depth == VIDC_BITDEPTH_10))
151 valid = false;
152 }
153
154 if (k == index && valid)
155 break;
156 if (valid)
157 k++;
158 }
159
160 if (i == size)
161 return NULL;
162
163 return &fmt[i];
164 }
165
166 static const struct venus_format *
vdec_try_fmt_common(struct venus_inst * inst,struct v4l2_format * f)167 vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
168 {
169 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
170 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
171 const struct venus_format *fmt;
172 u32 szimage;
173
174 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
175 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
176
177 fmt = find_format(inst, pixmp->pixelformat, f->type);
178 if (!fmt) {
179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
180 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
181 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
182 pixmp->pixelformat = V4L2_PIX_FMT_H264;
183 else
184 return NULL;
185 fmt = find_format(inst, pixmp->pixelformat, f->type);
186 if (!fmt)
187 return NULL;
188 }
189
190 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
191 frame_width_max(inst));
192 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
193 frame_height_max(inst));
194
195 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
196 pixmp->height = ALIGN(pixmp->height, 32);
197
198 if (pixmp->field == V4L2_FIELD_ANY)
199 pixmp->field = V4L2_FIELD_NONE;
200 pixmp->num_planes = fmt->num_planes;
201 pixmp->flags = 0;
202
203 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width,
204 pixmp->height);
205
206 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
207 pfmt[0].sizeimage = szimage;
208 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
209 } else {
210 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M);
211 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage);
212 pfmt[0].bytesperline = 0;
213 }
214
215 return fmt;
216 }
217
vdec_try_fmt(struct file * file,void * fh,struct v4l2_format * f)218 static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
219 {
220 struct venus_inst *inst = to_inst(file);
221
222 vdec_try_fmt_common(inst, f);
223
224 return 0;
225 }
226
vdec_check_src_change(struct venus_inst * inst)227 static int vdec_check_src_change(struct venus_inst *inst)
228 {
229 int ret;
230
231 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE &&
232 inst->codec_state == VENUS_DEC_STATE_INIT &&
233 !inst->reconfig)
234 return -EINVAL;
235
236 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE)
237 return 0;
238
239 /*
240 * The code snippet below is a workaround for backward compatibility
241 * with applications which doesn't support V4L2 events. It will be
242 * dropped in future once those applications are fixed.
243 */
244
245 if (inst->codec_state != VENUS_DEC_STATE_INIT)
246 goto done;
247
248 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig,
249 msecs_to_jiffies(100));
250 if (!ret)
251 return -EINVAL;
252
253 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) ||
254 !inst->reconfig)
255 dev_dbg(inst->core->dev, VDBGH "wrong state\n");
256
257 done:
258 return 0;
259 }
260
vdec_g_fmt(struct file * file,void * fh,struct v4l2_format * f)261 static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
262 {
263 struct venus_inst *inst = to_inst(file);
264 const struct venus_format *fmt = NULL;
265 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
266 int ret;
267
268 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
269 fmt = inst->fmt_cap;
270 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
271 fmt = inst->fmt_out;
272
273 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
274 ret = vdec_check_src_change(inst);
275 if (ret)
276 return ret;
277 }
278
279 pixmp->pixelformat = fmt->pixfmt;
280
281 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
282 pixmp->width = inst->width;
283 pixmp->height = inst->height;
284 pixmp->colorspace = inst->colorspace;
285 pixmp->ycbcr_enc = inst->ycbcr_enc;
286 pixmp->quantization = inst->quantization;
287 pixmp->xfer_func = inst->xfer_func;
288 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
289 pixmp->width = inst->out_width;
290 pixmp->height = inst->out_height;
291 }
292
293 vdec_try_fmt_common(inst, f);
294
295 return 0;
296 }
297
vdec_s_fmt(struct file * file,void * fh,struct v4l2_format * f)298 static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
299 {
300 struct venus_inst *inst = to_inst(file);
301 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
302 struct v4l2_pix_format_mplane orig_pixmp;
303 const struct venus_format *fmt;
304 struct v4l2_format format;
305 u32 pixfmt_out = 0, pixfmt_cap = 0;
306 struct vb2_queue *q;
307
308 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
309 if (!q)
310 return -EINVAL;
311
312 if (vb2_is_busy(q))
313 return -EBUSY;
314
315 orig_pixmp = *pixmp;
316
317 fmt = vdec_try_fmt_common(inst, f);
318
319 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
320 pixfmt_out = pixmp->pixelformat;
321 pixfmt_cap = inst->fmt_cap->pixfmt;
322 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
323 pixfmt_cap = pixmp->pixelformat;
324 pixfmt_out = inst->fmt_out->pixfmt;
325 }
326
327 memset(&format, 0, sizeof(format));
328
329 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
330 format.fmt.pix_mp.pixelformat = pixfmt_out;
331 format.fmt.pix_mp.width = orig_pixmp.width;
332 format.fmt.pix_mp.height = orig_pixmp.height;
333 vdec_try_fmt_common(inst, &format);
334
335 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
336 inst->out_width = format.fmt.pix_mp.width;
337 inst->out_height = format.fmt.pix_mp.height;
338 inst->colorspace = pixmp->colorspace;
339 inst->ycbcr_enc = pixmp->ycbcr_enc;
340 inst->quantization = pixmp->quantization;
341 inst->xfer_func = pixmp->xfer_func;
342 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage;
343 }
344
345 memset(&format, 0, sizeof(format));
346
347 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
348 format.fmt.pix_mp.pixelformat = pixfmt_cap;
349 format.fmt.pix_mp.width = orig_pixmp.width;
350 format.fmt.pix_mp.height = orig_pixmp.height;
351 vdec_try_fmt_common(inst, &format);
352
353 inst->width = format.fmt.pix_mp.width;
354 inst->height = format.fmt.pix_mp.height;
355 inst->crop.top = 0;
356 inst->crop.left = 0;
357 inst->crop.width = inst->width;
358 inst->crop.height = inst->height;
359
360 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
361 inst->fmt_out = fmt;
362 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
363 inst->fmt_cap = fmt;
364 inst->output2_buf_size =
365 venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height);
366 }
367
368 return 0;
369 }
370
371 static int
vdec_g_selection(struct file * file,void * fh,struct v4l2_selection * s)372 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
373 {
374 struct venus_inst *inst = to_inst(file);
375
376 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
377 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
378 return -EINVAL;
379
380 s->r.top = 0;
381 s->r.left = 0;
382
383 switch (s->target) {
384 case V4L2_SEL_TGT_CROP_BOUNDS:
385 case V4L2_SEL_TGT_CROP_DEFAULT:
386 case V4L2_SEL_TGT_CROP:
387 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
388 return -EINVAL;
389 s->r.width = inst->out_width;
390 s->r.height = inst->out_height;
391 break;
392 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
393 case V4L2_SEL_TGT_COMPOSE_PADDED:
394 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
395 return -EINVAL;
396 s->r.width = inst->width;
397 s->r.height = inst->height;
398 break;
399 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
400 case V4L2_SEL_TGT_COMPOSE:
401 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
402 return -EINVAL;
403 s->r = inst->crop;
404 break;
405 default:
406 return -EINVAL;
407 }
408
409 return 0;
410 }
411
412 static int
vdec_querycap(struct file * file,void * fh,struct v4l2_capability * cap)413 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
414 {
415 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
416 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
417 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
418
419 return 0;
420 }
421
vdec_enum_fmt(struct file * file,void * fh,struct v4l2_fmtdesc * f)422 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
423 {
424 struct venus_inst *inst = to_inst(file);
425 const struct venus_format *fmt;
426
427 memset(f->reserved, 0, sizeof(f->reserved));
428
429 fmt = find_format_by_index(inst, f->index, f->type);
430 if (!fmt)
431 return -EINVAL;
432
433 f->pixelformat = fmt->pixfmt;
434 f->flags = fmt->flags;
435
436 return 0;
437 }
438
vdec_s_parm(struct file * file,void * fh,struct v4l2_streamparm * a)439 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
440 {
441 struct venus_inst *inst = to_inst(file);
442 struct v4l2_captureparm *cap = &a->parm.capture;
443 struct v4l2_fract *timeperframe = &cap->timeperframe;
444 u64 us_per_frame, fps;
445
446 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
447 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
448 return -EINVAL;
449
450 memset(cap->reserved, 0, sizeof(cap->reserved));
451 if (!timeperframe->denominator)
452 timeperframe->denominator = inst->timeperframe.denominator;
453 if (!timeperframe->numerator)
454 timeperframe->numerator = inst->timeperframe.numerator;
455 cap->readbuffers = 0;
456 cap->extendedmode = 0;
457 cap->capability = V4L2_CAP_TIMEPERFRAME;
458 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
459 do_div(us_per_frame, timeperframe->denominator);
460
461 if (!us_per_frame)
462 return -EINVAL;
463
464 fps = (u64)USEC_PER_SEC;
465 do_div(fps, us_per_frame);
466
467 inst->fps = fps;
468 inst->timeperframe = *timeperframe;
469
470 return 0;
471 }
472
vdec_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)473 static int vdec_enum_framesizes(struct file *file, void *fh,
474 struct v4l2_frmsizeenum *fsize)
475 {
476 struct venus_inst *inst = to_inst(file);
477 const struct venus_format *fmt;
478
479 fmt = find_format(inst, fsize->pixel_format,
480 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
481 if (!fmt) {
482 fmt = find_format(inst, fsize->pixel_format,
483 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
484 if (!fmt)
485 return -EINVAL;
486 }
487
488 if (fsize->index)
489 return -EINVAL;
490
491 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
492
493 fsize->stepwise.min_width = frame_width_min(inst);
494 fsize->stepwise.max_width = frame_width_max(inst);
495 fsize->stepwise.step_width = frame_width_step(inst);
496 fsize->stepwise.min_height = frame_height_min(inst);
497 fsize->stepwise.max_height = frame_height_max(inst);
498 fsize->stepwise.step_height = frame_height_step(inst);
499
500 return 0;
501 }
502
vdec_subscribe_event(struct v4l2_fh * fh,const struct v4l2_event_subscription * sub)503 static int vdec_subscribe_event(struct v4l2_fh *fh,
504 const struct v4l2_event_subscription *sub)
505 {
506 struct venus_inst *inst = container_of(fh, struct venus_inst, fh);
507 int ret;
508
509 switch (sub->type) {
510 case V4L2_EVENT_EOS:
511 return v4l2_event_subscribe(fh, sub, 2, NULL);
512 case V4L2_EVENT_SOURCE_CHANGE:
513 ret = v4l2_src_change_event_subscribe(fh, sub);
514 if (ret)
515 return ret;
516 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE;
517 return 0;
518 case V4L2_EVENT_CTRL:
519 return v4l2_ctrl_subscribe_event(fh, sub);
520 default:
521 return -EINVAL;
522 }
523 }
524
525 static int
vdec_decoder_cmd(struct file * file,void * fh,struct v4l2_decoder_cmd * cmd)526 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
527 {
528 struct venus_inst *inst = to_inst(file);
529 struct hfi_frame_data fdata = {0};
530 int ret;
531
532 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
533 if (ret)
534 return ret;
535
536 mutex_lock(&inst->lock);
537
538 if (cmd->cmd == V4L2_DEC_CMD_STOP) {
539 /*
540 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on
541 * decoder input to signal EOS.
542 */
543 if (!(inst->streamon_out && inst->streamon_cap))
544 goto unlock;
545
546 fdata.buffer_type = HFI_BUFFER_INPUT;
547 fdata.flags |= HFI_BUFFERFLAG_EOS;
548 if (IS_V6(inst->core))
549 fdata.device_addr = 0;
550 else
551 fdata.device_addr = 0xdeadb000;
552
553 ret = hfi_session_process_buf(inst, &fdata);
554
555 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) {
556 inst->codec_state = VENUS_DEC_STATE_DRAIN;
557 inst->drain_active = true;
558 }
559 }
560
561 unlock:
562 mutex_unlock(&inst->lock);
563 return ret;
564 }
565
566 static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
567 .vidioc_querycap = vdec_querycap,
568 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt,
569 .vidioc_enum_fmt_vid_out = vdec_enum_fmt,
570 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
571 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
572 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
573 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
574 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
575 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
576 .vidioc_g_selection = vdec_g_selection,
577 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
578 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
579 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
580 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
581 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
582 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
583 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
584 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
585 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
586 .vidioc_s_parm = vdec_s_parm,
587 .vidioc_enum_framesizes = vdec_enum_framesizes,
588 .vidioc_subscribe_event = vdec_subscribe_event,
589 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
590 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,
591 .vidioc_decoder_cmd = vdec_decoder_cmd,
592 };
593
vdec_pm_get(struct venus_inst * inst)594 static int vdec_pm_get(struct venus_inst *inst)
595 {
596 struct venus_core *core = inst->core;
597 struct device *dev = core->dev_dec;
598 int ret;
599
600 mutex_lock(&core->pm_lock);
601 ret = pm_runtime_resume_and_get(dev);
602 mutex_unlock(&core->pm_lock);
603
604 return ret;
605 }
606
vdec_pm_put(struct venus_inst * inst,bool autosuspend)607 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend)
608 {
609 struct venus_core *core = inst->core;
610 struct device *dev = core->dev_dec;
611 int ret;
612
613 mutex_lock(&core->pm_lock);
614
615 if (autosuspend)
616 ret = pm_runtime_put_autosuspend(dev);
617 else
618 ret = pm_runtime_put_sync(dev);
619
620 mutex_unlock(&core->pm_lock);
621
622 return ret < 0 ? ret : 0;
623 }
624
vdec_pm_get_put(struct venus_inst * inst)625 static int vdec_pm_get_put(struct venus_inst *inst)
626 {
627 struct venus_core *core = inst->core;
628 struct device *dev = core->dev_dec;
629 int ret = 0;
630
631 mutex_lock(&core->pm_lock);
632
633 if (pm_runtime_suspended(dev)) {
634 ret = pm_runtime_resume_and_get(dev);
635 if (ret < 0)
636 goto error;
637
638 ret = pm_runtime_put_autosuspend(dev);
639 }
640
641 error:
642 mutex_unlock(&core->pm_lock);
643
644 return ret < 0 ? ret : 0;
645 }
646
vdec_pm_touch(struct venus_inst * inst)647 static void vdec_pm_touch(struct venus_inst *inst)
648 {
649 pm_runtime_mark_last_busy(inst->core->dev_dec);
650 }
651
vdec_set_properties(struct venus_inst * inst)652 static int vdec_set_properties(struct venus_inst *inst)
653 {
654 struct vdec_controls *ctr = &inst->controls.dec;
655 struct hfi_enable en = { .enable = 1 };
656 u32 ptype, decode_order, conceal;
657 int ret;
658
659 if (ctr->post_loop_deb_mode) {
660 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
661 ret = hfi_session_set_property(inst, ptype, &en);
662 if (ret)
663 return ret;
664 }
665
666 if (ctr->display_delay_enable && ctr->display_delay == 0) {
667 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER;
668 decode_order = HFI_OUTPUT_ORDER_DECODE;
669 ret = hfi_session_set_property(inst, ptype, &decode_order);
670 if (ret)
671 return ret;
672 }
673
674 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR;
675 conceal = ctr->conceal_color & 0xffff;
676 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10;
677 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20;
678
679 ret = hfi_session_set_property(inst, ptype, &conceal);
680 if (ret)
681 return ret;
682
683 return 0;
684 }
685
vdec_set_work_route(struct venus_inst * inst)686 static int vdec_set_work_route(struct venus_inst *inst)
687 {
688 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE;
689 struct hfi_video_work_route wr;
690
691 if (!IS_V6(inst->core))
692 return 0;
693
694 wr.video_work_route = inst->core->res->num_vpp_pipes;
695
696 return hfi_session_set_property(inst, ptype, &wr);
697 }
698
699 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE))
700
vdec_output_conf(struct venus_inst * inst)701 static int vdec_output_conf(struct venus_inst *inst)
702 {
703 struct venus_core *core = inst->core;
704 struct hfi_enable en = { .enable = 1 };
705 struct hfi_buffer_requirements bufreq;
706 u32 width = inst->width;
707 u32 height = inst->height;
708 u32 out_fmt, out2_fmt;
709 bool ubwc = false;
710 u32 ptype;
711 int ret;
712
713 ret = venus_helper_set_work_mode(inst);
714 if (ret)
715 return ret;
716
717 if (core->res->hfi_version == HFI_VERSION_1XX) {
718 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
719 ret = hfi_session_set_property(inst, ptype, &en);
720 if (ret)
721 return ret;
722 }
723
724 /* Force searching UBWC formats for bigger then HD resolutions */
725 if (width > 1920 && height > ALIGN(1080, 32))
726 ubwc = true;
727
728 /* For Venus v4/v6 UBWC format is mandatory */
729 if (IS_V4(core) || IS_V6(core))
730 ubwc = true;
731
732 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt,
733 &out2_fmt, ubwc);
734 if (ret)
735 return ret;
736
737 inst->output_buf_size =
738 venus_helper_get_framesz_raw(out_fmt, width, height);
739 inst->output2_buf_size =
740 venus_helper_get_framesz_raw(out2_fmt, width, height);
741
742 if (is_ubwc_fmt(out_fmt)) {
743 inst->opb_buftype = HFI_BUFFER_OUTPUT2;
744 inst->opb_fmt = out2_fmt;
745 inst->dpb_buftype = HFI_BUFFER_OUTPUT;
746 inst->dpb_fmt = out_fmt;
747 } else if (is_ubwc_fmt(out2_fmt)) {
748 inst->opb_buftype = HFI_BUFFER_OUTPUT;
749 inst->opb_fmt = out_fmt;
750 inst->dpb_buftype = HFI_BUFFER_OUTPUT2;
751 inst->dpb_fmt = out2_fmt;
752 } else {
753 inst->opb_buftype = HFI_BUFFER_OUTPUT;
754 inst->opb_fmt = out_fmt;
755 inst->dpb_buftype = 0;
756 inst->dpb_fmt = 0;
757 }
758
759 ret = venus_helper_set_raw_format(inst, inst->opb_fmt,
760 inst->opb_buftype);
761 if (ret)
762 return ret;
763
764 ret = venus_helper_set_format_constraints(inst);
765 if (ret)
766 return ret;
767
768 if (inst->dpb_fmt) {
769 ret = venus_helper_set_multistream(inst, false, true);
770 if (ret)
771 return ret;
772
773 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt,
774 inst->dpb_buftype);
775 if (ret)
776 return ret;
777
778 ret = venus_helper_set_output_resolution(inst, width, height,
779 HFI_BUFFER_OUTPUT2);
780 if (ret)
781 return ret;
782 }
783
784 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) {
785 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
786 if (ret)
787 return ret;
788
789 if (bufreq.size > inst->output_buf_size)
790 return -EINVAL;
791
792 if (inst->dpb_fmt) {
793 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2,
794 &bufreq);
795 if (ret)
796 return ret;
797
798 if (bufreq.size > inst->output2_buf_size)
799 return -EINVAL;
800 }
801
802 if (inst->output2_buf_size) {
803 ret = venus_helper_set_bufsize(inst,
804 inst->output2_buf_size,
805 HFI_BUFFER_OUTPUT2);
806 if (ret)
807 return ret;
808 }
809
810 if (inst->output_buf_size) {
811 ret = venus_helper_set_bufsize(inst,
812 inst->output_buf_size,
813 HFI_BUFFER_OUTPUT);
814 if (ret)
815 return ret;
816 }
817 }
818
819 ret = venus_helper_set_dyn_bufmode(inst);
820 if (ret)
821 return ret;
822
823 return 0;
824 }
825
vdec_session_init(struct venus_inst * inst)826 static int vdec_session_init(struct venus_inst *inst)
827 {
828 int ret;
829
830 ret = venus_helper_session_init(inst);
831 if (ret == -EALREADY)
832 return 0;
833 else if (ret)
834 return ret;
835
836 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst),
837 frame_height_min(inst));
838 if (ret)
839 goto deinit;
840
841 return 0;
842 deinit:
843 hfi_session_deinit(inst);
844 return ret;
845 }
846
vdec_num_buffers(struct venus_inst * inst,unsigned int * in_num,unsigned int * out_num)847 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num,
848 unsigned int *out_num)
849 {
850 enum hfi_version ver = inst->core->res->hfi_version;
851 struct hfi_buffer_requirements bufreq;
852 int ret;
853
854 *in_num = *out_num = 0;
855
856 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
857 if (ret)
858 return ret;
859
860 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
861
862 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
863 if (ret)
864 return ret;
865
866 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
867
868 return 0;
869 }
870
vdec_queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])871 static int vdec_queue_setup(struct vb2_queue *q,
872 unsigned int *num_buffers, unsigned int *num_planes,
873 unsigned int sizes[], struct device *alloc_devs[])
874 {
875 struct venus_inst *inst = vb2_get_drv_priv(q);
876 struct venus_core *core = inst->core;
877 unsigned int in_num, out_num;
878 int ret = 0;
879
880 if (*num_planes) {
881 unsigned int output_buf_size = venus_helper_get_opb_size(inst);
882
883 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
884 *num_planes != inst->fmt_out->num_planes)
885 return -EINVAL;
886
887 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
888 *num_planes != inst->fmt_cap->num_planes)
889 return -EINVAL;
890
891 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
892 sizes[0] < inst->input_buf_size)
893 return -EINVAL;
894
895 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
896 sizes[0] < output_buf_size)
897 return -EINVAL;
898
899 return 0;
900 }
901
902 if (test_bit(0, &core->sys_error)) {
903 if (inst->nonblock)
904 return -EAGAIN;
905
906 ret = wait_event_interruptible(core->sys_err_done,
907 !test_bit(0, &core->sys_error));
908 if (ret)
909 return ret;
910 }
911
912 ret = vdec_pm_get(inst);
913 if (ret)
914 return ret;
915
916 ret = vdec_session_init(inst);
917 if (ret)
918 goto put_power;
919
920 ret = vdec_num_buffers(inst, &in_num, &out_num);
921 if (ret)
922 goto put_power;
923
924 ret = vdec_pm_put(inst, false);
925 if (ret)
926 return ret;
927
928 switch (q->type) {
929 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
930 *num_planes = inst->fmt_out->num_planes;
931 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
932 inst->out_width,
933 inst->out_height);
934 sizes[0] = max(sizes[0], inst->input_buf_size);
935 inst->input_buf_size = sizes[0];
936 *num_buffers = max(*num_buffers, in_num);
937 inst->num_input_bufs = *num_buffers;
938 inst->num_output_bufs = out_num;
939 break;
940 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
941 *num_planes = inst->fmt_cap->num_planes;
942 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
943 inst->width,
944 inst->height);
945 inst->output_buf_size = sizes[0];
946 *num_buffers = max(*num_buffers, out_num);
947 inst->num_output_bufs = *num_buffers;
948
949 mutex_lock(&inst->lock);
950 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP)
951 inst->codec_state = VENUS_DEC_STATE_STOPPED;
952 mutex_unlock(&inst->lock);
953 break;
954 default:
955 ret = -EINVAL;
956 break;
957 }
958
959 return ret;
960
961 put_power:
962 vdec_pm_put(inst, false);
963 return ret;
964 }
965
vdec_verify_conf(struct venus_inst * inst)966 static int vdec_verify_conf(struct venus_inst *inst)
967 {
968 enum hfi_version ver = inst->core->res->hfi_version;
969 struct hfi_buffer_requirements bufreq;
970 int ret;
971
972 if (!inst->num_input_bufs || !inst->num_output_bufs)
973 return -EINVAL;
974
975 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
976 if (ret)
977 return ret;
978
979 if (inst->num_output_bufs < bufreq.count_actual ||
980 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
981 return -EINVAL;
982
983 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
984 if (ret)
985 return ret;
986
987 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
988 return -EINVAL;
989
990 return 0;
991 }
992
vdec_start_capture(struct venus_inst * inst)993 static int vdec_start_capture(struct venus_inst *inst)
994 {
995 int ret;
996
997 if (!inst->streamon_out)
998 return 0;
999
1000 if (inst->codec_state == VENUS_DEC_STATE_DECODING) {
1001 if (inst->reconfig)
1002 goto reconfigure;
1003
1004 venus_helper_queue_dpb_bufs(inst);
1005 venus_helper_process_initial_cap_bufs(inst);
1006 inst->streamon_cap = 1;
1007 return 0;
1008 }
1009
1010 if (inst->codec_state != VENUS_DEC_STATE_STOPPED)
1011 return 0;
1012
1013 reconfigure:
1014 ret = vdec_output_conf(inst);
1015 if (ret)
1016 return ret;
1017
1018 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1019 VB2_MAX_FRAME, VB2_MAX_FRAME);
1020 if (ret)
1021 return ret;
1022
1023 ret = venus_helper_intbufs_realloc(inst);
1024 if (ret)
1025 goto err;
1026
1027 venus_pm_load_scale(inst);
1028
1029 inst->next_buf_last = false;
1030
1031 ret = venus_helper_alloc_dpb_bufs(inst);
1032 if (ret)
1033 goto err;
1034
1035 ret = hfi_session_continue(inst);
1036 if (ret)
1037 goto free_dpb_bufs;
1038
1039 ret = venus_helper_queue_dpb_bufs(inst);
1040 if (ret)
1041 goto free_dpb_bufs;
1042
1043 ret = venus_helper_process_initial_cap_bufs(inst);
1044 if (ret)
1045 goto free_dpb_bufs;
1046
1047 inst->codec_state = VENUS_DEC_STATE_DECODING;
1048
1049 if (inst->drain_active)
1050 inst->codec_state = VENUS_DEC_STATE_DRAIN;
1051
1052 inst->streamon_cap = 1;
1053 inst->sequence_cap = 0;
1054 inst->reconfig = false;
1055 inst->drain_active = false;
1056
1057 return 0;
1058
1059 free_dpb_bufs:
1060 venus_helper_free_dpb_bufs(inst);
1061 err:
1062 return ret;
1063 }
1064
vdec_start_output(struct venus_inst * inst)1065 static int vdec_start_output(struct venus_inst *inst)
1066 {
1067 int ret;
1068
1069 if (inst->codec_state == VENUS_DEC_STATE_SEEK) {
1070 ret = venus_helper_process_initial_out_bufs(inst);
1071 if (inst->next_buf_last)
1072 inst->codec_state = VENUS_DEC_STATE_DRC;
1073 else
1074 inst->codec_state = VENUS_DEC_STATE_DECODING;
1075 goto done;
1076 }
1077
1078 if (inst->codec_state == VENUS_DEC_STATE_INIT ||
1079 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) {
1080 ret = venus_helper_process_initial_out_bufs(inst);
1081 goto done;
1082 }
1083
1084 if (inst->codec_state != VENUS_DEC_STATE_DEINIT)
1085 return -EINVAL;
1086
1087 venus_helper_init_instance(inst);
1088 inst->sequence_out = 0;
1089 inst->reconfig = false;
1090 inst->next_buf_last = false;
1091
1092 ret = vdec_set_properties(inst);
1093 if (ret)
1094 return ret;
1095
1096 ret = vdec_set_work_route(inst);
1097 if (ret)
1098 return ret;
1099
1100 ret = vdec_output_conf(inst);
1101 if (ret)
1102 return ret;
1103
1104 ret = vdec_verify_conf(inst);
1105 if (ret)
1106 return ret;
1107
1108 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1109 VB2_MAX_FRAME, VB2_MAX_FRAME);
1110 if (ret)
1111 return ret;
1112
1113 ret = venus_helper_vb2_start_streaming(inst);
1114 if (ret)
1115 return ret;
1116
1117 ret = venus_helper_process_initial_out_bufs(inst);
1118 if (ret)
1119 return ret;
1120
1121 inst->codec_state = VENUS_DEC_STATE_INIT;
1122
1123 done:
1124 inst->streamon_out = 1;
1125 return ret;
1126 }
1127
vdec_start_streaming(struct vb2_queue * q,unsigned int count)1128 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
1129 {
1130 struct venus_inst *inst = vb2_get_drv_priv(q);
1131 int ret;
1132
1133 mutex_lock(&inst->lock);
1134
1135 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1136 ret = vdec_start_capture(inst);
1137 } else {
1138 ret = vdec_pm_get(inst);
1139 if (ret)
1140 goto error;
1141
1142 ret = venus_pm_acquire_core(inst);
1143 if (ret)
1144 goto put_power;
1145
1146 ret = vdec_pm_put(inst, true);
1147 if (ret)
1148 goto error;
1149
1150 ret = vdec_start_output(inst);
1151 }
1152
1153 if (ret)
1154 goto error;
1155
1156 mutex_unlock(&inst->lock);
1157 return 0;
1158
1159 put_power:
1160 vdec_pm_put(inst, false);
1161 error:
1162 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1163 mutex_unlock(&inst->lock);
1164 return ret;
1165 }
1166
vdec_cancel_dst_buffers(struct venus_inst * inst)1167 static void vdec_cancel_dst_buffers(struct venus_inst *inst)
1168 {
1169 struct vb2_v4l2_buffer *buf;
1170
1171 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
1172 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
1173 }
1174
vdec_stop_capture(struct venus_inst * inst)1175 static int vdec_stop_capture(struct venus_inst *inst)
1176 {
1177 int ret = 0;
1178
1179 switch (inst->codec_state) {
1180 case VENUS_DEC_STATE_DECODING:
1181 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);
1182 fallthrough;
1183 case VENUS_DEC_STATE_DRAIN:
1184 inst->codec_state = VENUS_DEC_STATE_STOPPED;
1185 inst->drain_active = false;
1186 fallthrough;
1187 case VENUS_DEC_STATE_SEEK:
1188 vdec_cancel_dst_buffers(inst);
1189 break;
1190 case VENUS_DEC_STATE_DRC:
1191 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true);
1192 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
1193 venus_helper_free_dpb_bufs(inst);
1194 break;
1195 default:
1196 break;
1197 }
1198
1199 return ret;
1200 }
1201
vdec_stop_output(struct venus_inst * inst)1202 static int vdec_stop_output(struct venus_inst *inst)
1203 {
1204 int ret = 0;
1205
1206 switch (inst->codec_state) {
1207 case VENUS_DEC_STATE_DECODING:
1208 case VENUS_DEC_STATE_DRAIN:
1209 case VENUS_DEC_STATE_STOPPED:
1210 case VENUS_DEC_STATE_DRC:
1211 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);
1212 inst->codec_state = VENUS_DEC_STATE_SEEK;
1213 break;
1214 case VENUS_DEC_STATE_INIT:
1215 case VENUS_DEC_STATE_CAPTURE_SETUP:
1216 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true);
1217 break;
1218 default:
1219 break;
1220 }
1221
1222 return ret;
1223 }
1224
vdec_stop_streaming(struct vb2_queue * q)1225 static void vdec_stop_streaming(struct vb2_queue *q)
1226 {
1227 struct venus_inst *inst = vb2_get_drv_priv(q);
1228 int ret = -EINVAL;
1229
1230 vdec_pm_get_put(inst);
1231
1232 mutex_lock(&inst->lock);
1233
1234 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1235 ret = vdec_stop_capture(inst);
1236 else
1237 ret = vdec_stop_output(inst);
1238
1239 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR);
1240
1241 inst->session_error = 0;
1242
1243 if (ret)
1244 goto unlock;
1245
1246 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1247 inst->streamon_out = 0;
1248 else
1249 inst->streamon_cap = 0;
1250
1251 unlock:
1252 mutex_unlock(&inst->lock);
1253 }
1254
vdec_session_release(struct venus_inst * inst)1255 static void vdec_session_release(struct venus_inst *inst)
1256 {
1257 struct venus_core *core = inst->core;
1258 int ret, abort = 0;
1259
1260 vdec_pm_get(inst);
1261
1262 mutex_lock(&inst->lock);
1263 inst->codec_state = VENUS_DEC_STATE_DEINIT;
1264
1265 ret = hfi_session_stop(inst);
1266 abort = (ret && ret != -EINVAL) ? 1 : 0;
1267 ret = hfi_session_unload_res(inst);
1268 abort = (ret && ret != -EINVAL) ? 1 : 0;
1269 ret = venus_helper_unregister_bufs(inst);
1270 abort = (ret && ret != -EINVAL) ? 1 : 0;
1271 ret = venus_helper_intbufs_free(inst);
1272 abort = (ret && ret != -EINVAL) ? 1 : 0;
1273 ret = hfi_session_deinit(inst);
1274 abort = (ret && ret != -EINVAL) ? 1 : 0;
1275
1276 if (inst->session_error || test_bit(0, &core->sys_error))
1277 abort = 1;
1278
1279 if (abort)
1280 hfi_session_abort(inst);
1281
1282 venus_helper_free_dpb_bufs(inst);
1283 venus_pm_load_scale(inst);
1284 INIT_LIST_HEAD(&inst->registeredbufs);
1285 mutex_unlock(&inst->lock);
1286
1287 venus_pm_release_core(inst);
1288 vdec_pm_put(inst, false);
1289 }
1290
vdec_buf_init(struct vb2_buffer * vb)1291 static int vdec_buf_init(struct vb2_buffer *vb)
1292 {
1293 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1294
1295 inst->buf_count++;
1296
1297 return venus_helper_vb2_buf_init(vb);
1298 }
1299
vdec_buf_cleanup(struct vb2_buffer * vb)1300 static void vdec_buf_cleanup(struct vb2_buffer *vb)
1301 {
1302 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1303 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1304 struct venus_buffer *buf = to_venus_buffer(vbuf);
1305
1306 mutex_lock(&inst->lock);
1307 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1308 if (!list_empty(&inst->registeredbufs))
1309 list_del_init(&buf->reg_list);
1310 mutex_unlock(&inst->lock);
1311
1312 inst->buf_count--;
1313 if (!inst->buf_count)
1314 vdec_session_release(inst);
1315 }
1316
vdec_vb2_buf_queue(struct vb2_buffer * vb)1317 static void vdec_vb2_buf_queue(struct vb2_buffer *vb)
1318 {
1319 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1320 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1321 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS };
1322
1323 vdec_pm_get_put(inst);
1324
1325 mutex_lock(&inst->lock);
1326
1327 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) &&
1328 inst->codec_state == VENUS_DEC_STATE_DRC) {
1329 vbuf->flags |= V4L2_BUF_FLAG_LAST;
1330 vbuf->sequence = inst->sequence_cap++;
1331 vbuf->field = V4L2_FIELD_NONE;
1332 vb2_set_plane_payload(vb, 0, 0);
1333 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1334 v4l2_event_queue_fh(&inst->fh, &eos);
1335 inst->next_buf_last = false;
1336 mutex_unlock(&inst->lock);
1337 return;
1338 }
1339
1340 venus_helper_vb2_buf_queue(vb);
1341 mutex_unlock(&inst->lock);
1342 }
1343
1344 static const struct vb2_ops vdec_vb2_ops = {
1345 .queue_setup = vdec_queue_setup,
1346 .buf_init = vdec_buf_init,
1347 .buf_cleanup = vdec_buf_cleanup,
1348 .buf_prepare = venus_helper_vb2_buf_prepare,
1349 .start_streaming = vdec_start_streaming,
1350 .stop_streaming = vdec_stop_streaming,
1351 .buf_queue = vdec_vb2_buf_queue,
1352 };
1353
vdec_buf_done(struct venus_inst * inst,unsigned int buf_type,u32 tag,u32 bytesused,u32 data_offset,u32 flags,u32 hfi_flags,u64 timestamp_us)1354 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
1355 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1356 u32 hfi_flags, u64 timestamp_us)
1357 {
1358 enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
1359 struct vb2_v4l2_buffer *vbuf;
1360 struct vb2_buffer *vb;
1361 unsigned int type;
1362
1363 vdec_pm_touch(inst);
1364
1365 if (buf_type == HFI_BUFFER_INPUT)
1366 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1367 else
1368 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1369
1370 vbuf = venus_helper_find_buf(inst, type, tag);
1371 if (!vbuf) {
1372 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag);
1373 return;
1374 }
1375
1376 vbuf->flags = flags;
1377 vbuf->field = V4L2_FIELD_NONE;
1378 vb = &vbuf->vb2_buf;
1379
1380 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1381 vb2_set_plane_payload(vb, 0, bytesused);
1382 vb->planes[0].data_offset = data_offset;
1383 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1384 vbuf->sequence = inst->sequence_cap++;
1385
1386 if (vbuf->flags & V4L2_BUF_FLAG_LAST) {
1387 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
1388
1389 v4l2_event_queue_fh(&inst->fh, &ev);
1390
1391 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) {
1392 inst->drain_active = false;
1393 inst->codec_state = VENUS_DEC_STATE_STOPPED;
1394 }
1395 }
1396
1397 if (!bytesused)
1398 state = VB2_BUF_STATE_ERROR;
1399 } else {
1400 vbuf->sequence = inst->sequence_out++;
1401 }
1402
1403 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf);
1404
1405 if (hfi_flags & HFI_BUFFERFLAG_READONLY)
1406 venus_helper_acquire_buf_ref(vbuf);
1407
1408 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)
1409 state = VB2_BUF_STATE_ERROR;
1410
1411 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) {
1412 state = VB2_BUF_STATE_ERROR;
1413 vb2_set_plane_payload(vb, 0, 0);
1414 vb->timestamp = 0;
1415 }
1416
1417 v4l2_m2m_buf_done(vbuf, state);
1418 }
1419
vdec_event_change(struct venus_inst * inst,struct hfi_event_data * ev_data,bool sufficient)1420 static void vdec_event_change(struct venus_inst *inst,
1421 struct hfi_event_data *ev_data, bool sufficient)
1422 {
1423 static const struct v4l2_event ev = {
1424 .type = V4L2_EVENT_SOURCE_CHANGE,
1425 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
1426 struct device *dev = inst->core->dev_dec;
1427 struct v4l2_format format = {};
1428
1429 mutex_lock(&inst->lock);
1430
1431 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1432 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;
1433 format.fmt.pix_mp.width = ev_data->width;
1434 format.fmt.pix_mp.height = ev_data->height;
1435
1436 vdec_try_fmt_common(inst, &format);
1437
1438 inst->width = format.fmt.pix_mp.width;
1439 inst->height = format.fmt.pix_mp.height;
1440 /*
1441 * Some versions of the firmware do not report crop information for
1442 * all codecs. For these cases, set the crop to the coded resolution.
1443 */
1444 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) {
1445 inst->crop.left = ev_data->input_crop.left;
1446 inst->crop.top = ev_data->input_crop.top;
1447 inst->crop.width = ev_data->input_crop.width;
1448 inst->crop.height = ev_data->input_crop.height;
1449 } else {
1450 inst->crop.left = 0;
1451 inst->crop.top = 0;
1452 inst->crop.width = ev_data->width;
1453 inst->crop.height = ev_data->height;
1454 }
1455
1456 inst->fw_min_cnt = ev_data->buf_count;
1457 /* overwriting this to 11 for vp9 due to fw bug */
1458 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9)
1459 inst->fw_min_cnt = 11;
1460
1461 inst->out_width = ev_data->width;
1462 inst->out_height = ev_data->height;
1463
1464 if (inst->bit_depth != ev_data->bit_depth)
1465 inst->bit_depth = ev_data->bit_depth;
1466
1467 if (inst->pic_struct != ev_data->pic_struct)
1468 inst->pic_struct = ev_data->pic_struct;
1469
1470 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n",
1471 sufficient ? "" : "not", ev_data->width, ev_data->height);
1472
1473 switch (inst->codec_state) {
1474 case VENUS_DEC_STATE_INIT:
1475 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
1476 break;
1477 case VENUS_DEC_STATE_DECODING:
1478 case VENUS_DEC_STATE_DRAIN:
1479 inst->codec_state = VENUS_DEC_STATE_DRC;
1480 break;
1481 default:
1482 break;
1483 }
1484
1485 /*
1486 * The assumption is that the firmware have to return the last buffer
1487 * before this event is received in the v4l2 driver. Also the firmware
1488 * itself doesn't mark the last decoder output buffer with HFI EOS flag.
1489 */
1490
1491 if (inst->codec_state == VENUS_DEC_STATE_DRC) {
1492 int ret;
1493
1494 inst->next_buf_last = true;
1495
1496 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false);
1497 if (ret)
1498 dev_dbg(dev, VDBGH "flush output error %d\n", ret);
1499 }
1500
1501 inst->next_buf_last = true;
1502 inst->reconfig = true;
1503 v4l2_event_queue_fh(&inst->fh, &ev);
1504 wake_up(&inst->reconf_wait);
1505
1506 mutex_unlock(&inst->lock);
1507 }
1508
vdec_event_notify(struct venus_inst * inst,u32 event,struct hfi_event_data * data)1509 static void vdec_event_notify(struct venus_inst *inst, u32 event,
1510 struct hfi_event_data *data)
1511 {
1512 struct venus_core *core = inst->core;
1513 struct device *dev = core->dev_dec;
1514
1515 vdec_pm_touch(inst);
1516
1517 switch (event) {
1518 case EVT_SESSION_ERROR:
1519 inst->session_error = true;
1520 venus_helper_vb2_queue_error(inst);
1521 dev_err(dev, "dec: event session error %x\n", inst->error);
1522 break;
1523 case EVT_SYS_EVENT_CHANGE:
1524 switch (data->event_type) {
1525 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
1526 vdec_event_change(inst, data, true);
1527 break;
1528 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:
1529 vdec_event_change(inst, data, false);
1530 break;
1531 case HFI_EVENT_RELEASE_BUFFER_REFERENCE:
1532 venus_helper_release_buf_ref(inst, data->tag);
1533 break;
1534 default:
1535 break;
1536 }
1537 break;
1538 default:
1539 break;
1540 }
1541 }
1542
vdec_flush_done(struct venus_inst * inst)1543 static void vdec_flush_done(struct venus_inst *inst)
1544 {
1545 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n");
1546 }
1547
1548 static const struct hfi_inst_ops vdec_hfi_ops = {
1549 .buf_done = vdec_buf_done,
1550 .event_notify = vdec_event_notify,
1551 .flush_done = vdec_flush_done,
1552 };
1553
vdec_inst_init(struct venus_inst * inst)1554 static void vdec_inst_init(struct venus_inst *inst)
1555 {
1556 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1557 inst->fmt_out = &vdec_formats[8];
1558 inst->fmt_cap = &vdec_formats[0];
1559 inst->width = frame_width_min(inst);
1560 inst->height = ALIGN(frame_height_min(inst), 32);
1561 inst->crop.left = 0;
1562 inst->crop.top = 0;
1563 inst->crop.width = inst->width;
1564 inst->crop.height = inst->height;
1565 inst->fw_min_cnt = 8;
1566 inst->out_width = frame_width_min(inst);
1567 inst->out_height = frame_height_min(inst);
1568 inst->fps = 30;
1569 inst->timeperframe.numerator = 1;
1570 inst->timeperframe.denominator = 30;
1571 inst->opb_buftype = HFI_BUFFER_OUTPUT;
1572 }
1573
vdec_m2m_device_run(void * priv)1574 static void vdec_m2m_device_run(void *priv)
1575 {
1576 }
1577
1578 static const struct v4l2_m2m_ops vdec_m2m_ops = {
1579 .device_run = vdec_m2m_device_run,
1580 .job_abort = venus_helper_m2m_job_abort,
1581 };
1582
m2m_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)1583 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1584 struct vb2_queue *dst_vq)
1585 {
1586 struct venus_inst *inst = priv;
1587 int ret;
1588
1589 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1590 src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1591 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1592 src_vq->ops = &vdec_vb2_ops;
1593 src_vq->mem_ops = &vb2_dma_contig_memops;
1594 src_vq->drv_priv = inst;
1595 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1596 src_vq->allow_zero_bytesused = 1;
1597 src_vq->min_buffers_needed = 0;
1598 src_vq->dev = inst->core->dev;
1599 ret = vb2_queue_init(src_vq);
1600 if (ret)
1601 return ret;
1602
1603 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1604 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1605 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1606 dst_vq->ops = &vdec_vb2_ops;
1607 dst_vq->mem_ops = &vb2_dma_contig_memops;
1608 dst_vq->drv_priv = inst;
1609 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1610 dst_vq->allow_zero_bytesused = 1;
1611 dst_vq->min_buffers_needed = 0;
1612 dst_vq->dev = inst->core->dev;
1613 return vb2_queue_init(dst_vq);
1614 }
1615
vdec_open(struct file * file)1616 static int vdec_open(struct file *file)
1617 {
1618 struct venus_core *core = video_drvdata(file);
1619 struct venus_inst *inst;
1620 int ret;
1621
1622 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1623 if (!inst)
1624 return -ENOMEM;
1625
1626 INIT_LIST_HEAD(&inst->dpbbufs);
1627 INIT_LIST_HEAD(&inst->registeredbufs);
1628 INIT_LIST_HEAD(&inst->internalbufs);
1629 INIT_LIST_HEAD(&inst->list);
1630 mutex_init(&inst->lock);
1631
1632 inst->core = core;
1633 inst->session_type = VIDC_SESSION_TYPE_DEC;
1634 inst->num_output_bufs = 1;
1635 inst->codec_state = VENUS_DEC_STATE_DEINIT;
1636 inst->buf_count = 0;
1637 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1638 inst->core_acquired = false;
1639 inst->bit_depth = VIDC_BITDEPTH_8;
1640 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE;
1641 init_waitqueue_head(&inst->reconf_wait);
1642 inst->nonblock = file->f_flags & O_NONBLOCK;
1643
1644 venus_helper_init_instance(inst);
1645
1646 ret = vdec_ctrl_init(inst);
1647 if (ret)
1648 goto err_free;
1649
1650 ret = hfi_session_create(inst, &vdec_hfi_ops);
1651 if (ret)
1652 goto err_ctrl_deinit;
1653
1654 vdec_inst_init(inst);
1655
1656 ida_init(&inst->dpb_ids);
1657
1658 /*
1659 * create m2m device for every instance, the m2m context scheduling
1660 * is made by firmware side so we do not need to care about.
1661 */
1662 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops);
1663 if (IS_ERR(inst->m2m_dev)) {
1664 ret = PTR_ERR(inst->m2m_dev);
1665 goto err_session_destroy;
1666 }
1667
1668 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1669 if (IS_ERR(inst->m2m_ctx)) {
1670 ret = PTR_ERR(inst->m2m_ctx);
1671 goto err_m2m_release;
1672 }
1673
1674 v4l2_fh_init(&inst->fh, core->vdev_dec);
1675
1676 inst->fh.ctrl_handler = &inst->ctrl_handler;
1677 v4l2_fh_add(&inst->fh);
1678 inst->fh.m2m_ctx = inst->m2m_ctx;
1679 file->private_data = &inst->fh;
1680
1681 return 0;
1682
1683 err_m2m_release:
1684 v4l2_m2m_release(inst->m2m_dev);
1685 err_session_destroy:
1686 hfi_session_destroy(inst);
1687 err_ctrl_deinit:
1688 vdec_ctrl_deinit(inst);
1689 err_free:
1690 kfree(inst);
1691 return ret;
1692 }
1693
vdec_close(struct file * file)1694 static int vdec_close(struct file *file)
1695 {
1696 struct venus_inst *inst = to_inst(file);
1697
1698 vdec_pm_get(inst);
1699
1700 v4l2_m2m_ctx_release(inst->m2m_ctx);
1701 v4l2_m2m_release(inst->m2m_dev);
1702 vdec_ctrl_deinit(inst);
1703 ida_destroy(&inst->dpb_ids);
1704 hfi_session_destroy(inst);
1705 mutex_destroy(&inst->lock);
1706 v4l2_fh_del(&inst->fh);
1707 v4l2_fh_exit(&inst->fh);
1708
1709 vdec_pm_put(inst, false);
1710
1711 kfree(inst);
1712 return 0;
1713 }
1714
1715 static const struct v4l2_file_operations vdec_fops = {
1716 .owner = THIS_MODULE,
1717 .open = vdec_open,
1718 .release = vdec_close,
1719 .unlocked_ioctl = video_ioctl2,
1720 .poll = v4l2_m2m_fop_poll,
1721 .mmap = v4l2_m2m_fop_mmap,
1722 };
1723
vdec_probe(struct platform_device * pdev)1724 static int vdec_probe(struct platform_device *pdev)
1725 {
1726 struct device *dev = &pdev->dev;
1727 struct video_device *vdev;
1728 struct venus_core *core;
1729 int ret;
1730
1731 if (!dev->parent)
1732 return -EPROBE_DEFER;
1733
1734 core = dev_get_drvdata(dev->parent);
1735 if (!core)
1736 return -EPROBE_DEFER;
1737
1738 platform_set_drvdata(pdev, core);
1739
1740 if (core->pm_ops->vdec_get) {
1741 ret = core->pm_ops->vdec_get(dev);
1742 if (ret)
1743 return ret;
1744 }
1745
1746 vdev = video_device_alloc();
1747 if (!vdev)
1748 return -ENOMEM;
1749
1750 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name));
1751 vdev->release = video_device_release;
1752 vdev->fops = &vdec_fops;
1753 vdev->ioctl_ops = &vdec_ioctl_ops;
1754 vdev->vfl_dir = VFL_DIR_M2M;
1755 vdev->v4l2_dev = &core->v4l2_dev;
1756 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1757
1758 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1759 if (ret)
1760 goto err_vdev_release;
1761
1762 core->vdev_dec = vdev;
1763 core->dev_dec = dev;
1764
1765 video_set_drvdata(vdev, core);
1766 pm_runtime_set_autosuspend_delay(dev, 2000);
1767 pm_runtime_use_autosuspend(dev);
1768 pm_runtime_enable(dev);
1769
1770 return 0;
1771
1772 err_vdev_release:
1773 video_device_release(vdev);
1774 return ret;
1775 }
1776
vdec_remove(struct platform_device * pdev)1777 static int vdec_remove(struct platform_device *pdev)
1778 {
1779 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1780
1781 video_unregister_device(core->vdev_dec);
1782 pm_runtime_disable(core->dev_dec);
1783
1784 if (core->pm_ops->vdec_put)
1785 core->pm_ops->vdec_put(core->dev_dec);
1786
1787 return 0;
1788 }
1789
vdec_runtime_suspend(struct device * dev)1790 static __maybe_unused int vdec_runtime_suspend(struct device *dev)
1791 {
1792 struct venus_core *core = dev_get_drvdata(dev);
1793 const struct venus_pm_ops *pm_ops = core->pm_ops;
1794 int ret = 0;
1795
1796 if (pm_ops->vdec_power)
1797 ret = pm_ops->vdec_power(dev, POWER_OFF);
1798
1799 return ret;
1800 }
1801
vdec_runtime_resume(struct device * dev)1802 static __maybe_unused int vdec_runtime_resume(struct device *dev)
1803 {
1804 struct venus_core *core = dev_get_drvdata(dev);
1805 const struct venus_pm_ops *pm_ops = core->pm_ops;
1806 int ret = 0;
1807
1808 if (pm_ops->vdec_power)
1809 ret = pm_ops->vdec_power(dev, POWER_ON);
1810
1811 return ret;
1812 }
1813
1814 static const struct dev_pm_ops vdec_pm_ops = {
1815 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1816 pm_runtime_force_resume)
1817 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)
1818 };
1819
1820 static const struct of_device_id vdec_dt_match[] = {
1821 { .compatible = "venus-decoder" },
1822 { }
1823 };
1824 MODULE_DEVICE_TABLE(of, vdec_dt_match);
1825
1826 static struct platform_driver qcom_venus_dec_driver = {
1827 .probe = vdec_probe,
1828 .remove = vdec_remove,
1829 .driver = {
1830 .name = "qcom-venus-decoder",
1831 .of_match_table = vdec_dt_match,
1832 .pm = &vdec_pm_ops,
1833 },
1834 };
1835 module_platform_driver(qcom_venus_dec_driver);
1836
1837 MODULE_ALIAS("platform:qcom-venus-decoder");
1838 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver");
1839 MODULE_LICENSE("GPL v2");
1840