Merge tag 'fs.close_range.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / drivers / media / platform / qcom / venus / venc.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2017 Linaro Ltd.
5  */
6 #include <linux/clk.h>
7 #include <linux/module.h>
8 #include <linux/mod_devicetable.h>
9 #include <linux/platform_device.h>
10 #include <linux/pm_runtime.h>
11 #include <linux/slab.h>
12 #include <media/v4l2-mem2mem.h>
13 #include <media/videobuf2-dma-contig.h>
14 #include <media/v4l2-ioctl.h>
15 #include <media/v4l2-event.h>
16 #include <media/v4l2-ctrls.h>
17
18 #include "hfi_venus_io.h"
19 #include "hfi_parser.h"
20 #include "core.h"
21 #include "helpers.h"
22 #include "venc.h"
23 #include "pm_helpers.h"
24
25 #define NUM_B_FRAMES_MAX        4
26
27 /*
28  * Three resons to keep MPLANE formats (despite that the number of planes
29  * currently is one):
30  * - the MPLANE formats allow only one plane to be used
31  * - the downstream driver use MPLANE formats too
32  * - future firmware versions could add support for >1 planes
33  */
34 static const struct venus_format venc_formats[] = {
35         {
36                 .pixfmt = V4L2_PIX_FMT_NV12,
37                 .num_planes = 1,
38                 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
39         }, {
40                 .pixfmt = V4L2_PIX_FMT_MPEG4,
41                 .num_planes = 1,
42                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
43         }, {
44                 .pixfmt = V4L2_PIX_FMT_H263,
45                 .num_planes = 1,
46                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
47         }, {
48                 .pixfmt = V4L2_PIX_FMT_H264,
49                 .num_planes = 1,
50                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
51         }, {
52                 .pixfmt = V4L2_PIX_FMT_VP8,
53                 .num_planes = 1,
54                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
55         }, {
56                 .pixfmt = V4L2_PIX_FMT_HEVC,
57                 .num_planes = 1,
58                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
59         },
60 };
61
62 static const struct venus_format *
63 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
64 {
65         const struct venus_format *fmt = venc_formats;
66         unsigned int size = ARRAY_SIZE(venc_formats);
67         unsigned int i;
68
69         for (i = 0; i < size; i++) {
70                 if (fmt[i].pixfmt == pixfmt)
71                         break;
72         }
73
74         if (i == size || fmt[i].type != type)
75                 return NULL;
76
77         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
78             !venus_helper_check_codec(inst, fmt[i].pixfmt))
79                 return NULL;
80
81         return &fmt[i];
82 }
83
84 static const struct venus_format *
85 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
86 {
87         const struct venus_format *fmt = venc_formats;
88         unsigned int size = ARRAY_SIZE(venc_formats);
89         unsigned int i, k = 0;
90
91         if (index > size)
92                 return NULL;
93
94         for (i = 0; i < size; i++) {
95                 bool valid;
96
97                 if (fmt[i].type != type)
98                         continue;
99                 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
100                         venus_helper_check_codec(inst, fmt[i].pixfmt);
101                 if (k == index && valid)
102                         break;
103                 if (valid)
104                         k++;
105         }
106
107         if (i == size)
108                 return NULL;
109
110         return &fmt[i];
111 }
112
113 static int venc_v4l2_to_hfi(int id, int value)
114 {
115         switch (id) {
116         case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
117                 switch (value) {
118                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
119                 default:
120                         return HFI_H264_ENTROPY_CAVLC;
121                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
122                         return HFI_H264_ENTROPY_CABAC;
123                 }
124         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
125                 switch (value) {
126                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
127                 default:
128                         return HFI_H264_DB_MODE_ALL_BOUNDARY;
129                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
130                         return HFI_H264_DB_MODE_DISABLE;
131                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
132                         return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
133                 }
134         }
135
136         return 0;
137 }
138
139 static int
140 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
141 {
142         strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
143         strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
144         strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
145
146         return 0;
147 }
148
149 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
150 {
151         struct venus_inst *inst = to_inst(file);
152         const struct venus_format *fmt;
153
154         fmt = find_format_by_index(inst, f->index, f->type);
155
156         memset(f->reserved, 0, sizeof(f->reserved));
157
158         if (!fmt)
159                 return -EINVAL;
160
161         f->pixelformat = fmt->pixfmt;
162
163         return 0;
164 }
165
166 static const struct venus_format *
167 venc_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 sizeimage;
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_H264;
181                 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
182                         pixmp->pixelformat = V4L2_PIX_FMT_NV12;
183                 else
184                         return NULL;
185                 fmt = find_format(inst, pixmp->pixelformat, f->type);
186         }
187
188         pixmp->width = clamp(pixmp->width, frame_width_min(inst),
189                              frame_width_max(inst));
190         pixmp->height = clamp(pixmp->height, frame_height_min(inst),
191                               frame_height_max(inst));
192
193         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
194                 pixmp->width = ALIGN(pixmp->width, 128);
195                 pixmp->height = ALIGN(pixmp->height, 32);
196         }
197
198         pixmp->width = ALIGN(pixmp->width, 2);
199         pixmp->height = ALIGN(pixmp->height, 2);
200
201         if (pixmp->field == V4L2_FIELD_ANY)
202                 pixmp->field = V4L2_FIELD_NONE;
203         pixmp->num_planes = fmt->num_planes;
204         pixmp->flags = 0;
205
206         sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
207                                              pixmp->width,
208                                              pixmp->height);
209         pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
210
211         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
212                 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
213         else
214                 pfmt[0].bytesperline = 0;
215
216         return fmt;
217 }
218
219 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
220 {
221         struct venus_inst *inst = to_inst(file);
222
223         venc_try_fmt_common(inst, f);
224
225         return 0;
226 }
227
228 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
229 {
230         struct venus_inst *inst = to_inst(file);
231         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
232         struct v4l2_pix_format_mplane orig_pixmp;
233         const struct venus_format *fmt;
234         struct v4l2_format format;
235         u32 pixfmt_out = 0, pixfmt_cap = 0;
236         struct vb2_queue *q;
237
238         q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
239         if (!q)
240                 return -EINVAL;
241
242         if (vb2_is_busy(q))
243                 return -EBUSY;
244
245         orig_pixmp = *pixmp;
246
247         fmt = venc_try_fmt_common(inst, f);
248         if (!fmt)
249                 return -EINVAL;
250
251         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
252                 pixfmt_out = pixmp->pixelformat;
253                 pixfmt_cap = inst->fmt_cap->pixfmt;
254         } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
255                 pixfmt_cap = pixmp->pixelformat;
256                 pixfmt_out = inst->fmt_out->pixfmt;
257         }
258
259         memset(&format, 0, sizeof(format));
260
261         format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
262         format.fmt.pix_mp.pixelformat = pixfmt_out;
263         format.fmt.pix_mp.width = orig_pixmp.width;
264         format.fmt.pix_mp.height = orig_pixmp.height;
265         venc_try_fmt_common(inst, &format);
266
267         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
268                 inst->out_width = format.fmt.pix_mp.width;
269                 inst->out_height = format.fmt.pix_mp.height;
270                 inst->colorspace = pixmp->colorspace;
271                 inst->ycbcr_enc = pixmp->ycbcr_enc;
272                 inst->quantization = pixmp->quantization;
273                 inst->xfer_func = pixmp->xfer_func;
274         }
275
276         memset(&format, 0, sizeof(format));
277
278         format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
279         format.fmt.pix_mp.pixelformat = pixfmt_cap;
280         format.fmt.pix_mp.width = orig_pixmp.width;
281         format.fmt.pix_mp.height = orig_pixmp.height;
282         venc_try_fmt_common(inst, &format);
283
284         inst->width = format.fmt.pix_mp.width;
285         inst->height = format.fmt.pix_mp.height;
286
287         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
288                 inst->fmt_out = fmt;
289         else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
290                 inst->fmt_cap = fmt;
291                 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
292         }
293
294         return 0;
295 }
296
297 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
298 {
299         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
300         struct venus_inst *inst = to_inst(file);
301         const struct venus_format *fmt;
302
303         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
304                 fmt = inst->fmt_cap;
305         else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
306                 fmt = inst->fmt_out;
307         else
308                 return -EINVAL;
309
310         pixmp->pixelformat = fmt->pixfmt;
311
312         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
313                 pixmp->width = inst->width;
314                 pixmp->height = inst->height;
315                 pixmp->colorspace = inst->colorspace;
316                 pixmp->ycbcr_enc = inst->ycbcr_enc;
317                 pixmp->quantization = inst->quantization;
318                 pixmp->xfer_func = inst->xfer_func;
319         } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
320                 pixmp->width = inst->out_width;
321                 pixmp->height = inst->out_height;
322         }
323
324         venc_try_fmt_common(inst, f);
325
326         return 0;
327 }
328
329 static int
330 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
331 {
332         struct venus_inst *inst = to_inst(file);
333
334         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
335                 return -EINVAL;
336
337         switch (s->target) {
338         case V4L2_SEL_TGT_CROP_DEFAULT:
339         case V4L2_SEL_TGT_CROP_BOUNDS:
340                 s->r.width = inst->out_width;
341                 s->r.height = inst->out_height;
342                 break;
343         case V4L2_SEL_TGT_CROP:
344                 s->r.width = inst->width;
345                 s->r.height = inst->height;
346                 break;
347         default:
348                 return -EINVAL;
349         }
350
351         s->r.top = 0;
352         s->r.left = 0;
353
354         return 0;
355 }
356
357 static int
358 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
359 {
360         struct venus_inst *inst = to_inst(file);
361
362         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
363                 return -EINVAL;
364
365         if (s->r.width > inst->out_width ||
366             s->r.height > inst->out_height)
367                 return -EINVAL;
368
369         s->r.width = ALIGN(s->r.width, 2);
370         s->r.height = ALIGN(s->r.height, 2);
371
372         switch (s->target) {
373         case V4L2_SEL_TGT_CROP:
374                 s->r.top = 0;
375                 s->r.left = 0;
376                 inst->width = s->r.width;
377                 inst->height = s->r.height;
378                 break;
379         default:
380                 return -EINVAL;
381         }
382
383         return 0;
384 }
385
386 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
387 {
388         struct venus_inst *inst = to_inst(file);
389         struct v4l2_outputparm *out = &a->parm.output;
390         struct v4l2_fract *timeperframe = &out->timeperframe;
391         u64 us_per_frame, fps;
392
393         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
394             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
395                 return -EINVAL;
396
397         memset(out->reserved, 0, sizeof(out->reserved));
398
399         if (!timeperframe->denominator)
400                 timeperframe->denominator = inst->timeperframe.denominator;
401         if (!timeperframe->numerator)
402                 timeperframe->numerator = inst->timeperframe.numerator;
403
404         out->capability = V4L2_CAP_TIMEPERFRAME;
405
406         us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
407         do_div(us_per_frame, timeperframe->denominator);
408
409         if (!us_per_frame)
410                 return -EINVAL;
411
412         fps = (u64)USEC_PER_SEC;
413         do_div(fps, us_per_frame);
414
415         inst->timeperframe = *timeperframe;
416         inst->fps = fps;
417
418         return 0;
419 }
420
421 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
422 {
423         struct venus_inst *inst = to_inst(file);
424
425         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
426             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
427                 return -EINVAL;
428
429         a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
430         a->parm.output.timeperframe = inst->timeperframe;
431
432         return 0;
433 }
434
435 static int venc_enum_framesizes(struct file *file, void *fh,
436                                 struct v4l2_frmsizeenum *fsize)
437 {
438         struct venus_inst *inst = to_inst(file);
439         const struct venus_format *fmt;
440
441         fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
442
443         fmt = find_format(inst, fsize->pixel_format,
444                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
445         if (!fmt) {
446                 fmt = find_format(inst, fsize->pixel_format,
447                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
448                 if (!fmt)
449                         return -EINVAL;
450         }
451
452         if (fsize->index)
453                 return -EINVAL;
454
455         fsize->stepwise.min_width = frame_width_min(inst);
456         fsize->stepwise.max_width = frame_width_max(inst);
457         fsize->stepwise.step_width = frame_width_step(inst);
458         fsize->stepwise.min_height = frame_height_min(inst);
459         fsize->stepwise.max_height = frame_height_max(inst);
460         fsize->stepwise.step_height = frame_height_step(inst);
461
462         return 0;
463 }
464
465 static int venc_enum_frameintervals(struct file *file, void *fh,
466                                     struct v4l2_frmivalenum *fival)
467 {
468         struct venus_inst *inst = to_inst(file);
469         const struct venus_format *fmt;
470         unsigned int framerate_factor = 1;
471
472         fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
473
474         fmt = find_format(inst, fival->pixel_format,
475                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
476         if (!fmt) {
477                 fmt = find_format(inst, fival->pixel_format,
478                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
479                 if (!fmt)
480                         return -EINVAL;
481         }
482
483         if (fival->index)
484                 return -EINVAL;
485
486         if (!fival->width || !fival->height)
487                 return -EINVAL;
488
489         if (fival->width > frame_width_max(inst) ||
490             fival->width < frame_width_min(inst) ||
491             fival->height > frame_height_max(inst) ||
492             fival->height < frame_height_min(inst))
493                 return -EINVAL;
494
495         if (IS_V1(inst->core)) {
496                 /* framerate is reported in 1/65535 fps unit */
497                 framerate_factor = (1 << 16);
498         }
499
500         fival->stepwise.min.numerator = 1;
501         fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
502         fival->stepwise.max.numerator = 1;
503         fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
504         fival->stepwise.step.numerator = 1;
505         fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
506
507         return 0;
508 }
509
510 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
511         .vidioc_querycap = venc_querycap,
512         .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
513         .vidioc_enum_fmt_vid_out = venc_enum_fmt,
514         .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
515         .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
516         .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
517         .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
518         .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
519         .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
520         .vidioc_g_selection = venc_g_selection,
521         .vidioc_s_selection = venc_s_selection,
522         .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
523         .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
524         .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
525         .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
526         .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
527         .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
528         .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
529         .vidioc_streamon = v4l2_m2m_ioctl_streamon,
530         .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
531         .vidioc_s_parm = venc_s_parm,
532         .vidioc_g_parm = venc_g_parm,
533         .vidioc_enum_framesizes = venc_enum_framesizes,
534         .vidioc_enum_frameintervals = venc_enum_frameintervals,
535         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
536         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
537 };
538
539 static int venc_set_properties(struct venus_inst *inst)
540 {
541         struct venc_controls *ctr = &inst->controls.enc;
542         struct hfi_intra_period intra_period;
543         struct hfi_framerate frate;
544         struct hfi_bitrate brate;
545         struct hfi_idr_period idrp;
546         struct hfi_quantization quant;
547         struct hfi_quantization_range quant_range;
548         struct hfi_enable en;
549         struct hfi_ltr_mode ltr_mode;
550         u32 ptype, rate_control, bitrate;
551         u32 profile, level;
552         int ret;
553
554         ret = venus_helper_set_work_mode(inst);
555         if (ret)
556                 return ret;
557
558         ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
559         frate.buffer_type = HFI_BUFFER_OUTPUT;
560         frate.framerate = inst->fps * (1 << 16);
561
562         ret = hfi_session_set_property(inst, ptype, &frate);
563         if (ret)
564                 return ret;
565
566         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
567                 struct hfi_h264_vui_timing_info info;
568                 struct hfi_h264_entropy_control entropy;
569                 struct hfi_h264_db_control deblock;
570
571                 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
572                 info.enable = 1;
573                 info.fixed_framerate = 1;
574                 info.time_scale = NSEC_PER_SEC;
575
576                 ret = hfi_session_set_property(inst, ptype, &info);
577                 if (ret)
578                         return ret;
579
580                 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
581                 entropy.entropy_mode = venc_v4l2_to_hfi(
582                                           V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
583                                           ctr->h264_entropy_mode);
584                 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
585
586                 ret = hfi_session_set_property(inst, ptype, &entropy);
587                 if (ret)
588                         return ret;
589
590                 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
591                 deblock.mode = venc_v4l2_to_hfi(
592                                       V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
593                                       ctr->h264_loop_filter_mode);
594                 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
595                 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
596
597                 ret = hfi_session_set_property(inst, ptype, &deblock);
598                 if (ret)
599                         return ret;
600         }
601
602         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
603             inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
604                 /* IDR periodicity, n:
605                  * n = 0 - only the first I-frame is IDR frame
606                  * n = 1 - all I-frames will be IDR frames
607                  * n > 1 - every n-th I-frame will be IDR frame
608                  */
609                 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
610                 idrp.idr_period = 0;
611                 ret = hfi_session_set_property(inst, ptype, &idrp);
612                 if (ret)
613                         return ret;
614         }
615
616         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
617                 struct hfi_hdr10_pq_sei hdr10;
618                 unsigned int c;
619
620                 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI;
621
622                 for (c = 0; c < 3; c++) {
623                         hdr10.mastering.display_primaries_x[c] =
624                                 ctr->mastering.display_primaries_x[c];
625                         hdr10.mastering.display_primaries_y[c] =
626                                 ctr->mastering.display_primaries_y[c];
627                 }
628
629                 hdr10.mastering.white_point_x = ctr->mastering.white_point_x;
630                 hdr10.mastering.white_point_y = ctr->mastering.white_point_y;
631                 hdr10.mastering.max_display_mastering_luminance =
632                         ctr->mastering.max_display_mastering_luminance;
633                 hdr10.mastering.min_display_mastering_luminance =
634                         ctr->mastering.min_display_mastering_luminance;
635
636                 hdr10.cll.max_content_light = ctr->cll.max_content_light_level;
637                 hdr10.cll.max_pic_average_light =
638                         ctr->cll.max_pic_average_light_level;
639
640                 ret = hfi_session_set_property(inst, ptype, &hdr10);
641                 if (ret)
642                         return ret;
643         }
644
645         if (ctr->num_b_frames) {
646                 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
647
648                 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
649                 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
650                 if (ret)
651                         return ret;
652         }
653
654         ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
655         intra_period.pframes = ctr->num_p_frames;
656         intra_period.bframes = ctr->num_b_frames;
657
658         ret = hfi_session_set_property(inst, ptype, &intra_period);
659         if (ret)
660                 return ret;
661
662         if (!ctr->rc_enable)
663                 rate_control = HFI_RATE_CONTROL_OFF;
664         else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
665                 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
666                                                       HFI_RATE_CONTROL_VBR_CFR;
667         else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
668                 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
669                                                       HFI_RATE_CONTROL_CBR_CFR;
670         else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
671                 rate_control = HFI_RATE_CONTROL_CQ;
672
673         ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
674         ret = hfi_session_set_property(inst, ptype, &rate_control);
675         if (ret)
676                 return ret;
677
678         if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
679                 struct hfi_heic_frame_quality quality = {};
680
681                 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
682                 quality.frame_quality = ctr->const_quality;
683                 ret = hfi_session_set_property(inst, ptype, &quality);
684                 if (ret)
685                         return ret;
686         }
687
688         if (!ctr->bitrate)
689                 bitrate = 64000;
690         else
691                 bitrate = ctr->bitrate;
692
693         ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
694         brate.bitrate = bitrate;
695         brate.layer_id = 0;
696
697         ret = hfi_session_set_property(inst, ptype, &brate);
698         if (ret)
699                 return ret;
700
701         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
702             inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
703                 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
704                 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
705                         en.enable = 0;
706                 else
707                         en.enable = 1;
708
709                 ret = hfi_session_set_property(inst, ptype, &en);
710                 if (ret)
711                         return ret;
712         }
713
714         if (!ctr->bitrate_peak)
715                 bitrate *= 2;
716         else
717                 bitrate = ctr->bitrate_peak;
718
719         ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
720         brate.bitrate = bitrate;
721         brate.layer_id = 0;
722
723         ret = hfi_session_set_property(inst, ptype, &brate);
724         if (ret)
725                 return ret;
726
727         ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
728         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
729                 quant.qp_i = ctr->hevc_i_qp;
730                 quant.qp_p = ctr->hevc_p_qp;
731                 quant.qp_b = ctr->hevc_b_qp;
732         } else {
733                 quant.qp_i = ctr->h264_i_qp;
734                 quant.qp_p = ctr->h264_p_qp;
735                 quant.qp_b = ctr->h264_b_qp;
736         }
737         quant.layer_id = 0;
738         ret = hfi_session_set_property(inst, ptype, &quant);
739         if (ret)
740                 return ret;
741
742         ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
743         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
744                 quant_range.min_qp = ctr->hevc_min_qp;
745                 quant_range.max_qp = ctr->hevc_max_qp;
746         } else {
747                 quant_range.min_qp = ctr->h264_min_qp;
748                 quant_range.max_qp = ctr->h264_max_qp;
749         }
750         quant_range.layer_id = 0;
751         ret = hfi_session_set_property(inst, ptype, &quant_range);
752         if (ret)
753                 return ret;
754
755         ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE;
756         ltr_mode.ltr_count = ctr->ltr_count;
757         ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL;
758         ltr_mode.trust_mode = 1;
759         ret = hfi_session_set_property(inst, ptype, &ltr_mode);
760         if (ret)
761                 return ret;
762
763         switch (inst->hfi_codec) {
764         case HFI_VIDEO_CODEC_H264:
765                 profile = ctr->profile.h264;
766                 level = ctr->level.h264;
767                 break;
768         case HFI_VIDEO_CODEC_MPEG4:
769                 profile = ctr->profile.mpeg4;
770                 level = ctr->level.mpeg4;
771                 break;
772         case HFI_VIDEO_CODEC_VP8:
773                 profile = ctr->profile.vp8;
774                 level = 0;
775                 break;
776         case HFI_VIDEO_CODEC_VP9:
777                 profile = ctr->profile.vp9;
778                 level = ctr->level.vp9;
779                 break;
780         case HFI_VIDEO_CODEC_HEVC:
781                 profile = ctr->profile.hevc;
782                 level = ctr->level.hevc;
783                 break;
784         case HFI_VIDEO_CODEC_MPEG2:
785         default:
786                 profile = 0;
787                 level = 0;
788                 break;
789         }
790
791         ret = venus_helper_set_profile_level(inst, profile, level);
792         if (ret)
793                 return ret;
794
795         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
796             inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
797                 struct hfi_enable en = {};
798
799                 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
800
801                 if (ctr->aud_enable)
802                         en.enable = 1;
803
804                 ret = hfi_session_set_property(inst, ptype, &en);
805                 if (ret)
806                         return ret;
807         }
808
809         return 0;
810 }
811
812 static int venc_init_session(struct venus_inst *inst)
813 {
814         int ret;
815
816         ret = venus_helper_session_init(inst);
817         if (ret == -EALREADY)
818                 return 0;
819         else if (ret)
820                 return ret;
821
822         ret = venus_helper_set_stride(inst, inst->out_width,
823                                       inst->out_height);
824         if (ret)
825                 goto deinit;
826
827         ret = venus_helper_set_input_resolution(inst, inst->width,
828                                                 inst->height);
829         if (ret)
830                 goto deinit;
831
832         ret = venus_helper_set_output_resolution(inst, inst->width,
833                                                  inst->height,
834                                                  HFI_BUFFER_OUTPUT);
835         if (ret)
836                 goto deinit;
837
838         ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
839         if (ret)
840                 goto deinit;
841
842         ret = venc_set_properties(inst);
843         if (ret)
844                 goto deinit;
845
846         return 0;
847 deinit:
848         hfi_session_deinit(inst);
849         return ret;
850 }
851
852 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
853 {
854         struct hfi_buffer_requirements bufreq;
855         int ret;
856
857         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
858         if (ret)
859                 return ret;
860
861         *num = bufreq.count_actual;
862
863         return 0;
864 }
865
866 static int venc_queue_setup(struct vb2_queue *q,
867                             unsigned int *num_buffers, unsigned int *num_planes,
868                             unsigned int sizes[], struct device *alloc_devs[])
869 {
870         struct venus_inst *inst = vb2_get_drv_priv(q);
871         unsigned int num, min = 4;
872         int ret;
873
874         if (*num_planes) {
875                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
876                     *num_planes != inst->fmt_out->num_planes)
877                         return -EINVAL;
878
879                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
880                     *num_planes != inst->fmt_cap->num_planes)
881                         return -EINVAL;
882
883                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
884                     sizes[0] < inst->input_buf_size)
885                         return -EINVAL;
886
887                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
888                     sizes[0] < inst->output_buf_size)
889                         return -EINVAL;
890
891                 return 0;
892         }
893
894         mutex_lock(&inst->lock);
895         ret = venc_init_session(inst);
896         mutex_unlock(&inst->lock);
897
898         if (ret)
899                 return ret;
900
901         switch (q->type) {
902         case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
903                 *num_planes = inst->fmt_out->num_planes;
904
905                 ret = venc_out_num_buffers(inst, &num);
906                 if (ret)
907                         break;
908
909                 num = max(num, min);
910                 *num_buffers = max(*num_buffers, num);
911                 inst->num_input_bufs = *num_buffers;
912
913                 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
914                                                     inst->out_width,
915                                                     inst->out_height);
916                 inst->input_buf_size = sizes[0];
917                 break;
918         case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
919                 *num_planes = inst->fmt_cap->num_planes;
920                 *num_buffers = max(*num_buffers, min);
921                 inst->num_output_bufs = *num_buffers;
922                 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
923                                                     inst->width,
924                                                     inst->height);
925                 sizes[0] = max(sizes[0], inst->output_buf_size);
926                 inst->output_buf_size = sizes[0];
927                 break;
928         default:
929                 ret = -EINVAL;
930                 break;
931         }
932
933         return ret;
934 }
935
936 static int venc_buf_init(struct vb2_buffer *vb)
937 {
938         struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
939
940         inst->buf_count++;
941
942         return venus_helper_vb2_buf_init(vb);
943 }
944
945 static void venc_release_session(struct venus_inst *inst)
946 {
947         int ret;
948
949         mutex_lock(&inst->lock);
950
951         ret = hfi_session_deinit(inst);
952         if (ret || inst->session_error)
953                 hfi_session_abort(inst);
954
955         mutex_unlock(&inst->lock);
956
957         venus_pm_load_scale(inst);
958         INIT_LIST_HEAD(&inst->registeredbufs);
959         venus_pm_release_core(inst);
960 }
961
962 static void venc_buf_cleanup(struct vb2_buffer *vb)
963 {
964         struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
965         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
966         struct venus_buffer *buf = to_venus_buffer(vbuf);
967
968         mutex_lock(&inst->lock);
969         if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
970                 if (!list_empty(&inst->registeredbufs))
971                         list_del_init(&buf->reg_list);
972         mutex_unlock(&inst->lock);
973
974         inst->buf_count--;
975         if (!inst->buf_count)
976                 venc_release_session(inst);
977 }
978
979 static int venc_verify_conf(struct venus_inst *inst)
980 {
981         enum hfi_version ver = inst->core->res->hfi_version;
982         struct hfi_buffer_requirements bufreq;
983         int ret;
984
985         if (!inst->num_input_bufs || !inst->num_output_bufs)
986                 return -EINVAL;
987
988         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
989         if (ret)
990                 return ret;
991
992         if (inst->num_output_bufs < bufreq.count_actual ||
993             inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
994                 return -EINVAL;
995
996         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
997         if (ret)
998                 return ret;
999
1000         if (inst->num_input_bufs < bufreq.count_actual ||
1001             inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
1002                 return -EINVAL;
1003
1004         return 0;
1005 }
1006
1007 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
1008 {
1009         struct venus_inst *inst = vb2_get_drv_priv(q);
1010         int ret;
1011
1012         mutex_lock(&inst->lock);
1013
1014         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1015                 inst->streamon_out = 1;
1016         else
1017                 inst->streamon_cap = 1;
1018
1019         if (!(inst->streamon_out & inst->streamon_cap)) {
1020                 mutex_unlock(&inst->lock);
1021                 return 0;
1022         }
1023
1024         venus_helper_init_instance(inst);
1025
1026         inst->sequence_cap = 0;
1027         inst->sequence_out = 0;
1028
1029         ret = venus_pm_acquire_core(inst);
1030         if (ret)
1031                 goto error;
1032
1033         ret = venc_set_properties(inst);
1034         if (ret)
1035                 goto error;
1036
1037         ret = venc_verify_conf(inst);
1038         if (ret)
1039                 goto error;
1040
1041         ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1042                                         inst->num_output_bufs, 0);
1043         if (ret)
1044                 goto error;
1045
1046         ret = venus_helper_vb2_start_streaming(inst);
1047         if (ret)
1048                 goto error;
1049
1050         mutex_unlock(&inst->lock);
1051
1052         return 0;
1053
1054 error:
1055         venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1056         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1057                 inst->streamon_out = 0;
1058         else
1059                 inst->streamon_cap = 0;
1060         mutex_unlock(&inst->lock);
1061         return ret;
1062 }
1063
1064 static void venc_vb2_buf_queue(struct vb2_buffer *vb)
1065 {
1066         struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1067
1068         mutex_lock(&inst->lock);
1069         venus_helper_vb2_buf_queue(vb);
1070         mutex_unlock(&inst->lock);
1071 }
1072
1073 static const struct vb2_ops venc_vb2_ops = {
1074         .queue_setup = venc_queue_setup,
1075         .buf_init = venc_buf_init,
1076         .buf_cleanup = venc_buf_cleanup,
1077         .buf_prepare = venus_helper_vb2_buf_prepare,
1078         .start_streaming = venc_start_streaming,
1079         .stop_streaming = venus_helper_vb2_stop_streaming,
1080         .buf_queue = venc_vb2_buf_queue,
1081 };
1082
1083 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1084                           u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1085                           u32 hfi_flags, u64 timestamp_us)
1086 {
1087         struct vb2_v4l2_buffer *vbuf;
1088         struct vb2_buffer *vb;
1089         unsigned int type;
1090
1091         if (buf_type == HFI_BUFFER_INPUT)
1092                 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1093         else
1094                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1095
1096         vbuf = venus_helper_find_buf(inst, type, tag);
1097         if (!vbuf)
1098                 return;
1099
1100         vbuf->flags = flags;
1101
1102         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1103                 vb = &vbuf->vb2_buf;
1104                 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1105                 vb->planes[0].data_offset = data_offset;
1106                 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1107                 vbuf->sequence = inst->sequence_cap++;
1108         } else {
1109                 vbuf->sequence = inst->sequence_out++;
1110         }
1111
1112         v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1113 }
1114
1115 static void venc_event_notify(struct venus_inst *inst, u32 event,
1116                               struct hfi_event_data *data)
1117 {
1118         struct device *dev = inst->core->dev_enc;
1119
1120         if (event == EVT_SESSION_ERROR) {
1121                 inst->session_error = true;
1122                 dev_err(dev, "enc: event session error %x\n", inst->error);
1123         }
1124 }
1125
1126 static const struct hfi_inst_ops venc_hfi_ops = {
1127         .buf_done = venc_buf_done,
1128         .event_notify = venc_event_notify,
1129 };
1130
1131 static const struct v4l2_m2m_ops venc_m2m_ops = {
1132         .device_run = venus_helper_m2m_device_run,
1133         .job_abort = venus_helper_m2m_job_abort,
1134 };
1135
1136 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1137                           struct vb2_queue *dst_vq)
1138 {
1139         struct venus_inst *inst = priv;
1140         int ret;
1141
1142         src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1143         src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1144         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1145         src_vq->ops = &venc_vb2_ops;
1146         src_vq->mem_ops = &vb2_dma_contig_memops;
1147         src_vq->drv_priv = inst;
1148         src_vq->buf_struct_size = sizeof(struct venus_buffer);
1149         src_vq->allow_zero_bytesused = 1;
1150         src_vq->min_buffers_needed = 1;
1151         src_vq->dev = inst->core->dev;
1152         if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1153                 src_vq->bidirectional = 1;
1154         ret = vb2_queue_init(src_vq);
1155         if (ret)
1156                 return ret;
1157
1158         dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1159         dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1160         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1161         dst_vq->ops = &venc_vb2_ops;
1162         dst_vq->mem_ops = &vb2_dma_contig_memops;
1163         dst_vq->drv_priv = inst;
1164         dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1165         dst_vq->allow_zero_bytesused = 1;
1166         dst_vq->min_buffers_needed = 1;
1167         dst_vq->dev = inst->core->dev;
1168         return vb2_queue_init(dst_vq);
1169 }
1170
1171 static void venc_inst_init(struct venus_inst *inst)
1172 {
1173         inst->fmt_cap = &venc_formats[3];
1174         inst->fmt_out = &venc_formats[0];
1175         inst->width = 1280;
1176         inst->height = ALIGN(720, 32);
1177         inst->out_width = 1280;
1178         inst->out_height = 720;
1179         inst->fps = 15;
1180         inst->timeperframe.numerator = 1;
1181         inst->timeperframe.denominator = 15;
1182         inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1183 }
1184
1185 static int venc_open(struct file *file)
1186 {
1187         struct venus_core *core = video_drvdata(file);
1188         struct venus_inst *inst;
1189         int ret;
1190
1191         inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1192         if (!inst)
1193                 return -ENOMEM;
1194
1195         INIT_LIST_HEAD(&inst->dpbbufs);
1196         INIT_LIST_HEAD(&inst->registeredbufs);
1197         INIT_LIST_HEAD(&inst->internalbufs);
1198         INIT_LIST_HEAD(&inst->list);
1199         mutex_init(&inst->lock);
1200
1201         inst->core = core;
1202         inst->session_type = VIDC_SESSION_TYPE_ENC;
1203         inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1204         inst->core_acquired = false;
1205
1206         venus_helper_init_instance(inst);
1207
1208         ret = pm_runtime_resume_and_get(core->dev_enc);
1209         if (ret < 0)
1210                 goto err_free;
1211
1212         ret = venc_ctrl_init(inst);
1213         if (ret)
1214                 goto err_put_sync;
1215
1216         ret = hfi_session_create(inst, &venc_hfi_ops);
1217         if (ret)
1218                 goto err_ctrl_deinit;
1219
1220         venc_inst_init(inst);
1221
1222         /*
1223          * create m2m device for every instance, the m2m context scheduling
1224          * is made by firmware side so we do not need to care about.
1225          */
1226         inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1227         if (IS_ERR(inst->m2m_dev)) {
1228                 ret = PTR_ERR(inst->m2m_dev);
1229                 goto err_session_destroy;
1230         }
1231
1232         inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1233         if (IS_ERR(inst->m2m_ctx)) {
1234                 ret = PTR_ERR(inst->m2m_ctx);
1235                 goto err_m2m_release;
1236         }
1237
1238         v4l2_fh_init(&inst->fh, core->vdev_enc);
1239
1240         inst->fh.ctrl_handler = &inst->ctrl_handler;
1241         v4l2_fh_add(&inst->fh);
1242         inst->fh.m2m_ctx = inst->m2m_ctx;
1243         file->private_data = &inst->fh;
1244
1245         return 0;
1246
1247 err_m2m_release:
1248         v4l2_m2m_release(inst->m2m_dev);
1249 err_session_destroy:
1250         hfi_session_destroy(inst);
1251 err_ctrl_deinit:
1252         venc_ctrl_deinit(inst);
1253 err_put_sync:
1254         pm_runtime_put_sync(core->dev_enc);
1255 err_free:
1256         kfree(inst);
1257         return ret;
1258 }
1259
1260 static int venc_close(struct file *file)
1261 {
1262         struct venus_inst *inst = to_inst(file);
1263
1264         v4l2_m2m_ctx_release(inst->m2m_ctx);
1265         v4l2_m2m_release(inst->m2m_dev);
1266         venc_ctrl_deinit(inst);
1267         hfi_session_destroy(inst);
1268         mutex_destroy(&inst->lock);
1269         v4l2_fh_del(&inst->fh);
1270         v4l2_fh_exit(&inst->fh);
1271
1272         pm_runtime_put_sync(inst->core->dev_enc);
1273
1274         kfree(inst);
1275         return 0;
1276 }
1277
1278 static const struct v4l2_file_operations venc_fops = {
1279         .owner = THIS_MODULE,
1280         .open = venc_open,
1281         .release = venc_close,
1282         .unlocked_ioctl = video_ioctl2,
1283         .poll = v4l2_m2m_fop_poll,
1284         .mmap = v4l2_m2m_fop_mmap,
1285 };
1286
1287 static int venc_probe(struct platform_device *pdev)
1288 {
1289         struct device *dev = &pdev->dev;
1290         struct video_device *vdev;
1291         struct venus_core *core;
1292         int ret;
1293
1294         if (!dev->parent)
1295                 return -EPROBE_DEFER;
1296
1297         core = dev_get_drvdata(dev->parent);
1298         if (!core)
1299                 return -EPROBE_DEFER;
1300
1301         platform_set_drvdata(pdev, core);
1302
1303         if (core->pm_ops->venc_get) {
1304                 ret = core->pm_ops->venc_get(dev);
1305                 if (ret)
1306                         return ret;
1307         }
1308
1309         vdev = video_device_alloc();
1310         if (!vdev)
1311                 return -ENOMEM;
1312
1313         strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1314         vdev->release = video_device_release;
1315         vdev->fops = &venc_fops;
1316         vdev->ioctl_ops = &venc_ioctl_ops;
1317         vdev->vfl_dir = VFL_DIR_M2M;
1318         vdev->v4l2_dev = &core->v4l2_dev;
1319         vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1320
1321         ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1322         if (ret)
1323                 goto err_vdev_release;
1324
1325         core->vdev_enc = vdev;
1326         core->dev_enc = dev;
1327
1328         video_set_drvdata(vdev, core);
1329         pm_runtime_enable(dev);
1330
1331         return 0;
1332
1333 err_vdev_release:
1334         video_device_release(vdev);
1335         return ret;
1336 }
1337
1338 static int venc_remove(struct platform_device *pdev)
1339 {
1340         struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1341
1342         video_unregister_device(core->vdev_enc);
1343         pm_runtime_disable(core->dev_enc);
1344
1345         if (core->pm_ops->venc_put)
1346                 core->pm_ops->venc_put(core->dev_enc);
1347
1348         return 0;
1349 }
1350
1351 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1352 {
1353         struct venus_core *core = dev_get_drvdata(dev);
1354         const struct venus_pm_ops *pm_ops = core->pm_ops;
1355         int ret = 0;
1356
1357         if (pm_ops->venc_power)
1358                 ret = pm_ops->venc_power(dev, POWER_OFF);
1359
1360         return ret;
1361 }
1362
1363 static __maybe_unused int venc_runtime_resume(struct device *dev)
1364 {
1365         struct venus_core *core = dev_get_drvdata(dev);
1366         const struct venus_pm_ops *pm_ops = core->pm_ops;
1367         int ret = 0;
1368
1369         if (pm_ops->venc_power)
1370                 ret = pm_ops->venc_power(dev, POWER_ON);
1371
1372         return ret;
1373 }
1374
1375 static const struct dev_pm_ops venc_pm_ops = {
1376         SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1377                                 pm_runtime_force_resume)
1378         SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1379 };
1380
1381 static const struct of_device_id venc_dt_match[] = {
1382         { .compatible = "venus-encoder" },
1383         { }
1384 };
1385 MODULE_DEVICE_TABLE(of, venc_dt_match);
1386
1387 static struct platform_driver qcom_venus_enc_driver = {
1388         .probe = venc_probe,
1389         .remove = venc_remove,
1390         .driver = {
1391                 .name = "qcom-venus-encoder",
1392                 .of_match_table = venc_dt_match,
1393                 .pm = &venc_pm_ops,
1394         },
1395 };
1396 module_platform_driver(qcom_venus_enc_driver);
1397
1398 MODULE_ALIAS("platform:qcom-venus-encoder");
1399 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1400 MODULE_LICENSE("GPL v2");