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Merge tag 'v5.3-rc4' into patchwork
[linux.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-sg.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
24 #define NUM_B_FRAMES_MAX        4
25
26 /*
27  * Three resons to keep MPLANE formats (despite that the number of planes
28  * currently is one):
29  * - the MPLANE formats allow only one plane to be used
30  * - the downstream driver use MPLANE formats too
31  * - future firmware versions could add support for >1 planes
32  */
33 static const struct venus_format venc_formats[] = {
34         {
35                 .pixfmt = V4L2_PIX_FMT_NV12,
36                 .num_planes = 1,
37                 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
38         }, {
39                 .pixfmt = V4L2_PIX_FMT_MPEG4,
40                 .num_planes = 1,
41                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
42         }, {
43                 .pixfmt = V4L2_PIX_FMT_H263,
44                 .num_planes = 1,
45                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
46         }, {
47                 .pixfmt = V4L2_PIX_FMT_H264,
48                 .num_planes = 1,
49                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
50         }, {
51                 .pixfmt = V4L2_PIX_FMT_VP8,
52                 .num_planes = 1,
53                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
54         }, {
55                 .pixfmt = V4L2_PIX_FMT_HEVC,
56                 .num_planes = 1,
57                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
58         },
59 };
60
61 static const struct venus_format *
62 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
63 {
64         const struct venus_format *fmt = venc_formats;
65         unsigned int size = ARRAY_SIZE(venc_formats);
66         unsigned int i;
67
68         for (i = 0; i < size; i++) {
69                 if (fmt[i].pixfmt == pixfmt)
70                         break;
71         }
72
73         if (i == size || fmt[i].type != type)
74                 return NULL;
75
76         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
77             !venus_helper_check_codec(inst, fmt[i].pixfmt))
78                 return NULL;
79
80         return &fmt[i];
81 }
82
83 static const struct venus_format *
84 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
85 {
86         const struct venus_format *fmt = venc_formats;
87         unsigned int size = ARRAY_SIZE(venc_formats);
88         unsigned int i, k = 0;
89
90         if (index > size)
91                 return NULL;
92
93         for (i = 0; i < size; i++) {
94                 bool valid;
95
96                 if (fmt[i].type != type)
97                         continue;
98                 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
99                         venus_helper_check_codec(inst, fmt[i].pixfmt);
100                 if (k == index && valid)
101                         break;
102                 if (valid)
103                         k++;
104         }
105
106         if (i == size)
107                 return NULL;
108
109         return &fmt[i];
110 }
111
112 static int venc_v4l2_to_hfi(int id, int value)
113 {
114         switch (id) {
115         case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
116                 switch (value) {
117                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0:
118                 default:
119                         return HFI_MPEG4_LEVEL_0;
120                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B:
121                         return HFI_MPEG4_LEVEL_0b;
122                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1:
123                         return HFI_MPEG4_LEVEL_1;
124                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2:
125                         return HFI_MPEG4_LEVEL_2;
126                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3:
127                         return HFI_MPEG4_LEVEL_3;
128                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4:
129                         return HFI_MPEG4_LEVEL_4;
130                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5:
131                         return HFI_MPEG4_LEVEL_5;
132                 }
133         case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
134                 switch (value) {
135                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE:
136                 default:
137                         return HFI_MPEG4_PROFILE_SIMPLE;
138                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE:
139                         return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE;
140                 }
141         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
142                 switch (value) {
143                 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
144                         return HFI_H264_PROFILE_BASELINE;
145                 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
146                         return HFI_H264_PROFILE_CONSTRAINED_BASE;
147                 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
148                         return HFI_H264_PROFILE_MAIN;
149                 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
150                 default:
151                         return HFI_H264_PROFILE_HIGH;
152                 }
153         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
154                 switch (value) {
155                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
156                         return HFI_H264_LEVEL_1;
157                 case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
158                         return HFI_H264_LEVEL_1b;
159                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
160                         return HFI_H264_LEVEL_11;
161                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
162                         return HFI_H264_LEVEL_12;
163                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
164                         return HFI_H264_LEVEL_13;
165                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
166                         return HFI_H264_LEVEL_2;
167                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
168                         return HFI_H264_LEVEL_21;
169                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
170                         return HFI_H264_LEVEL_22;
171                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
172                         return HFI_H264_LEVEL_3;
173                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
174                         return HFI_H264_LEVEL_31;
175                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
176                         return HFI_H264_LEVEL_32;
177                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
178                         return HFI_H264_LEVEL_4;
179                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
180                         return HFI_H264_LEVEL_41;
181                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
182                         return HFI_H264_LEVEL_42;
183                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
184                 default:
185                         return HFI_H264_LEVEL_5;
186                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
187                         return HFI_H264_LEVEL_51;
188                 }
189         case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
190                 switch (value) {
191                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
192                 default:
193                         return HFI_H264_ENTROPY_CAVLC;
194                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
195                         return HFI_H264_ENTROPY_CABAC;
196                 }
197         case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
198                 switch (value) {
199                 case 0:
200                 default:
201                         return HFI_VPX_PROFILE_VERSION_0;
202                 case 1:
203                         return HFI_VPX_PROFILE_VERSION_1;
204                 case 2:
205                         return HFI_VPX_PROFILE_VERSION_2;
206                 case 3:
207                         return HFI_VPX_PROFILE_VERSION_3;
208                 }
209         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
210                 switch (value) {
211                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
212                 default:
213                         return HFI_H264_DB_MODE_ALL_BOUNDARY;
214                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
215                         return HFI_H264_DB_MODE_DISABLE;
216                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
217                         return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
218                 }
219         case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
220                 switch (value) {
221                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
222                 default:
223                         return HFI_HEVC_PROFILE_MAIN;
224                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
225                         return HFI_HEVC_PROFILE_MAIN_STILL_PIC;
226                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
227                         return HFI_HEVC_PROFILE_MAIN10;
228                 }
229         case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
230                 switch (value) {
231                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
232                 default:
233                         return HFI_HEVC_LEVEL_1;
234                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
235                         return HFI_HEVC_LEVEL_2;
236                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
237                         return HFI_HEVC_LEVEL_21;
238                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
239                         return HFI_HEVC_LEVEL_3;
240                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
241                         return HFI_HEVC_LEVEL_31;
242                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
243                         return HFI_HEVC_LEVEL_4;
244                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
245                         return HFI_HEVC_LEVEL_41;
246                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
247                         return HFI_HEVC_LEVEL_5;
248                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
249                         return HFI_HEVC_LEVEL_51;
250                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
251                         return HFI_HEVC_LEVEL_52;
252                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
253                         return HFI_HEVC_LEVEL_6;
254                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
255                         return HFI_HEVC_LEVEL_61;
256                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
257                         return HFI_HEVC_LEVEL_62;
258                 }
259         }
260
261         return 0;
262 }
263
264 static int
265 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
266 {
267         strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
268         strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
269         strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
270
271         return 0;
272 }
273
274 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
275 {
276         struct venus_inst *inst = to_inst(file);
277         const struct venus_format *fmt;
278
279         fmt = find_format_by_index(inst, f->index, f->type);
280
281         memset(f->reserved, 0, sizeof(f->reserved));
282
283         if (!fmt)
284                 return -EINVAL;
285
286         f->pixelformat = fmt->pixfmt;
287
288         return 0;
289 }
290
291 static const struct venus_format *
292 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
293 {
294         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
295         struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
296         const struct venus_format *fmt;
297         u32 sizeimage;
298
299         memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
300         memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
301
302         fmt = find_format(inst, pixmp->pixelformat, f->type);
303         if (!fmt) {
304                 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
305                         pixmp->pixelformat = V4L2_PIX_FMT_H264;
306                 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
307                         pixmp->pixelformat = V4L2_PIX_FMT_NV12;
308                 else
309                         return NULL;
310                 fmt = find_format(inst, pixmp->pixelformat, f->type);
311         }
312
313         pixmp->width = clamp(pixmp->width, frame_width_min(inst),
314                              frame_width_max(inst));
315         pixmp->height = clamp(pixmp->height, frame_height_min(inst),
316                               frame_height_max(inst));
317
318         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
319                 pixmp->height = ALIGN(pixmp->height, 32);
320
321         pixmp->width = ALIGN(pixmp->width, 2);
322         pixmp->height = ALIGN(pixmp->height, 2);
323
324         if (pixmp->field == V4L2_FIELD_ANY)
325                 pixmp->field = V4L2_FIELD_NONE;
326         pixmp->num_planes = fmt->num_planes;
327         pixmp->flags = 0;
328
329         sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
330                                              pixmp->width,
331                                              pixmp->height);
332         pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
333
334         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
335                 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
336         else
337                 pfmt[0].bytesperline = 0;
338
339         return fmt;
340 }
341
342 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
343 {
344         struct venus_inst *inst = to_inst(file);
345
346         venc_try_fmt_common(inst, f);
347
348         return 0;
349 }
350
351 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
352 {
353         struct venus_inst *inst = to_inst(file);
354         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
355         struct v4l2_pix_format_mplane orig_pixmp;
356         const struct venus_format *fmt;
357         struct v4l2_format format;
358         u32 pixfmt_out = 0, pixfmt_cap = 0;
359
360         orig_pixmp = *pixmp;
361
362         fmt = venc_try_fmt_common(inst, f);
363         if (!fmt)
364                 return -EINVAL;
365
366         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
367                 pixfmt_out = pixmp->pixelformat;
368                 pixfmt_cap = inst->fmt_cap->pixfmt;
369         } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
370                 pixfmt_cap = pixmp->pixelformat;
371                 pixfmt_out = inst->fmt_out->pixfmt;
372         }
373
374         memset(&format, 0, sizeof(format));
375
376         format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
377         format.fmt.pix_mp.pixelformat = pixfmt_out;
378         format.fmt.pix_mp.width = orig_pixmp.width;
379         format.fmt.pix_mp.height = orig_pixmp.height;
380         venc_try_fmt_common(inst, &format);
381
382         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
383                 inst->out_width = format.fmt.pix_mp.width;
384                 inst->out_height = format.fmt.pix_mp.height;
385                 inst->colorspace = pixmp->colorspace;
386                 inst->ycbcr_enc = pixmp->ycbcr_enc;
387                 inst->quantization = pixmp->quantization;
388                 inst->xfer_func = pixmp->xfer_func;
389         }
390
391         memset(&format, 0, sizeof(format));
392
393         format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
394         format.fmt.pix_mp.pixelformat = pixfmt_cap;
395         format.fmt.pix_mp.width = orig_pixmp.width;
396         format.fmt.pix_mp.height = orig_pixmp.height;
397         venc_try_fmt_common(inst, &format);
398
399         inst->width = format.fmt.pix_mp.width;
400         inst->height = format.fmt.pix_mp.height;
401
402         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
403                 inst->fmt_out = fmt;
404         else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
405                 inst->fmt_cap = fmt;
406                 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
407         }
408
409         return 0;
410 }
411
412 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
413 {
414         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
415         struct venus_inst *inst = to_inst(file);
416         const struct venus_format *fmt;
417
418         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
419                 fmt = inst->fmt_cap;
420         else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
421                 fmt = inst->fmt_out;
422         else
423                 return -EINVAL;
424
425         pixmp->pixelformat = fmt->pixfmt;
426
427         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
428                 pixmp->width = inst->width;
429                 pixmp->height = inst->height;
430                 pixmp->colorspace = inst->colorspace;
431                 pixmp->ycbcr_enc = inst->ycbcr_enc;
432                 pixmp->quantization = inst->quantization;
433                 pixmp->xfer_func = inst->xfer_func;
434         } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
435                 pixmp->width = inst->out_width;
436                 pixmp->height = inst->out_height;
437         }
438
439         venc_try_fmt_common(inst, f);
440
441         return 0;
442 }
443
444 static int
445 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
446 {
447         struct venus_inst *inst = to_inst(file);
448
449         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
450                 return -EINVAL;
451
452         switch (s->target) {
453         case V4L2_SEL_TGT_CROP_DEFAULT:
454         case V4L2_SEL_TGT_CROP_BOUNDS:
455                 s->r.width = inst->width;
456                 s->r.height = inst->height;
457                 break;
458         case V4L2_SEL_TGT_CROP:
459                 s->r.width = inst->out_width;
460                 s->r.height = inst->out_height;
461                 break;
462         default:
463                 return -EINVAL;
464         }
465
466         s->r.top = 0;
467         s->r.left = 0;
468
469         return 0;
470 }
471
472 static int
473 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
474 {
475         struct venus_inst *inst = to_inst(file);
476
477         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
478                 return -EINVAL;
479
480         switch (s->target) {
481         case V4L2_SEL_TGT_CROP:
482                 if (s->r.width != inst->out_width ||
483                     s->r.height != inst->out_height ||
484                     s->r.top != 0 || s->r.left != 0)
485                         return -EINVAL;
486                 break;
487         default:
488                 return -EINVAL;
489         }
490
491         return 0;
492 }
493
494 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
495 {
496         struct venus_inst *inst = to_inst(file);
497         struct v4l2_outputparm *out = &a->parm.output;
498         struct v4l2_fract *timeperframe = &out->timeperframe;
499         u64 us_per_frame, fps;
500
501         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
502             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
503                 return -EINVAL;
504
505         memset(out->reserved, 0, sizeof(out->reserved));
506
507         if (!timeperframe->denominator)
508                 timeperframe->denominator = inst->timeperframe.denominator;
509         if (!timeperframe->numerator)
510                 timeperframe->numerator = inst->timeperframe.numerator;
511
512         out->capability = V4L2_CAP_TIMEPERFRAME;
513
514         us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
515         do_div(us_per_frame, timeperframe->denominator);
516
517         if (!us_per_frame)
518                 return -EINVAL;
519
520         fps = (u64)USEC_PER_SEC;
521         do_div(fps, us_per_frame);
522
523         inst->timeperframe = *timeperframe;
524         inst->fps = fps;
525
526         return 0;
527 }
528
529 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
530 {
531         struct venus_inst *inst = to_inst(file);
532
533         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
534             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
535                 return -EINVAL;
536
537         a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
538         a->parm.output.timeperframe = inst->timeperframe;
539
540         return 0;
541 }
542
543 static int venc_enum_framesizes(struct file *file, void *fh,
544                                 struct v4l2_frmsizeenum *fsize)
545 {
546         struct venus_inst *inst = to_inst(file);
547         const struct venus_format *fmt;
548
549         fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
550
551         fmt = find_format(inst, fsize->pixel_format,
552                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
553         if (!fmt) {
554                 fmt = find_format(inst, fsize->pixel_format,
555                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
556                 if (!fmt)
557                         return -EINVAL;
558         }
559
560         if (fsize->index)
561                 return -EINVAL;
562
563         fsize->stepwise.min_width = frame_width_min(inst);
564         fsize->stepwise.max_width = frame_width_max(inst);
565         fsize->stepwise.step_width = frame_width_step(inst);
566         fsize->stepwise.min_height = frame_height_min(inst);
567         fsize->stepwise.max_height = frame_height_max(inst);
568         fsize->stepwise.step_height = frame_height_step(inst);
569
570         return 0;
571 }
572
573 static int venc_enum_frameintervals(struct file *file, void *fh,
574                                     struct v4l2_frmivalenum *fival)
575 {
576         struct venus_inst *inst = to_inst(file);
577         const struct venus_format *fmt;
578
579         fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
580
581         fmt = find_format(inst, fival->pixel_format,
582                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
583         if (!fmt) {
584                 fmt = find_format(inst, fival->pixel_format,
585                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
586                 if (!fmt)
587                         return -EINVAL;
588         }
589
590         if (fival->index)
591                 return -EINVAL;
592
593         if (!fival->width || !fival->height)
594                 return -EINVAL;
595
596         if (fival->width > frame_width_max(inst) ||
597             fival->width < frame_width_min(inst) ||
598             fival->height > frame_height_max(inst) ||
599             fival->height < frame_height_min(inst))
600                 return -EINVAL;
601
602         fival->stepwise.min.numerator = 1;
603         fival->stepwise.min.denominator = frate_max(inst);
604         fival->stepwise.max.numerator = 1;
605         fival->stepwise.max.denominator = frate_min(inst);
606         fival->stepwise.step.numerator = 1;
607         fival->stepwise.step.denominator = frate_max(inst);
608
609         return 0;
610 }
611
612 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
613         .vidioc_querycap = venc_querycap,
614         .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
615         .vidioc_enum_fmt_vid_out = venc_enum_fmt,
616         .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
617         .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
618         .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
619         .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
620         .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
621         .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
622         .vidioc_g_selection = venc_g_selection,
623         .vidioc_s_selection = venc_s_selection,
624         .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
625         .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
626         .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
627         .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
628         .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
629         .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
630         .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
631         .vidioc_streamon = v4l2_m2m_ioctl_streamon,
632         .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
633         .vidioc_s_parm = venc_s_parm,
634         .vidioc_g_parm = venc_g_parm,
635         .vidioc_enum_framesizes = venc_enum_framesizes,
636         .vidioc_enum_frameintervals = venc_enum_frameintervals,
637         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
638         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
639 };
640
641 static int venc_set_properties(struct venus_inst *inst)
642 {
643         struct venc_controls *ctr = &inst->controls.enc;
644         struct hfi_intra_period intra_period;
645         struct hfi_profile_level pl;
646         struct hfi_framerate frate;
647         struct hfi_bitrate brate;
648         struct hfi_idr_period idrp;
649         struct hfi_quantization quant;
650         struct hfi_quantization_range quant_range;
651         u32 ptype, rate_control, bitrate, profile = 0, level = 0;
652         int ret;
653
654         ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
655         if (ret)
656                 return ret;
657
658         ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
659         if (ret)
660                 return ret;
661
662         ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
663         frate.buffer_type = HFI_BUFFER_OUTPUT;
664         frate.framerate = inst->fps * (1 << 16);
665
666         ret = hfi_session_set_property(inst, ptype, &frate);
667         if (ret)
668                 return ret;
669
670         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
671                 struct hfi_h264_vui_timing_info info;
672                 struct hfi_h264_entropy_control entropy;
673                 struct hfi_h264_db_control deblock;
674
675                 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
676                 info.enable = 1;
677                 info.fixed_framerate = 1;
678                 info.time_scale = NSEC_PER_SEC;
679
680                 ret = hfi_session_set_property(inst, ptype, &info);
681                 if (ret)
682                         return ret;
683
684                 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
685                 entropy.entropy_mode = venc_v4l2_to_hfi(
686                                           V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
687                                           ctr->h264_entropy_mode);
688                 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
689
690                 ret = hfi_session_set_property(inst, ptype, &entropy);
691                 if (ret)
692                         return ret;
693
694                 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
695                 deblock.mode = venc_v4l2_to_hfi(
696                                       V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
697                                       ctr->h264_loop_filter_mode);
698                 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
699                 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
700
701                 ret = hfi_session_set_property(inst, ptype, &deblock);
702                 if (ret)
703                         return ret;
704         }
705
706         /* IDR periodicity, n:
707          * n = 0 - only the first I-frame is IDR frame
708          * n = 1 - all I-frames will be IDR frames
709          * n > 1 - every n-th I-frame will be IDR frame
710          */
711         ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
712         idrp.idr_period = 0;
713         ret = hfi_session_set_property(inst, ptype, &idrp);
714         if (ret)
715                 return ret;
716
717         if (ctr->num_b_frames) {
718                 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
719
720                 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
721                 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
722                 if (ret)
723                         return ret;
724         }
725
726         ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
727         intra_period.pframes = ctr->num_p_frames;
728         intra_period.bframes = ctr->num_b_frames;
729
730         ret = hfi_session_set_property(inst, ptype, &intra_period);
731         if (ret)
732                 return ret;
733
734         if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
735                 rate_control = HFI_RATE_CONTROL_VBR_CFR;
736         else
737                 rate_control = HFI_RATE_CONTROL_CBR_CFR;
738
739         ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
740         ret = hfi_session_set_property(inst, ptype, &rate_control);
741         if (ret)
742                 return ret;
743
744         if (!ctr->bitrate)
745                 bitrate = 64000;
746         else
747                 bitrate = ctr->bitrate;
748
749         ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
750         brate.bitrate = bitrate;
751         brate.layer_id = 0;
752
753         ret = hfi_session_set_property(inst, ptype, &brate);
754         if (ret)
755                 return ret;
756
757         if (!ctr->bitrate_peak)
758                 bitrate *= 2;
759         else
760                 bitrate = ctr->bitrate_peak;
761
762         ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
763         brate.bitrate = bitrate;
764         brate.layer_id = 0;
765
766         ret = hfi_session_set_property(inst, ptype, &brate);
767         if (ret)
768                 return ret;
769
770         ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
771         quant.qp_i = ctr->h264_i_qp;
772         quant.qp_p = ctr->h264_p_qp;
773         quant.qp_b = ctr->h264_b_qp;
774         quant.layer_id = 0;
775         ret = hfi_session_set_property(inst, ptype, &quant);
776         if (ret)
777                 return ret;
778
779         ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
780         quant_range.min_qp = ctr->h264_min_qp;
781         quant_range.max_qp = ctr->h264_max_qp;
782         quant_range.layer_id = 0;
783         ret = hfi_session_set_property(inst, ptype, &quant_range);
784         if (ret)
785                 return ret;
786
787         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
788                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
789                                            ctr->profile.h264);
790                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
791                                          ctr->level.h264);
792         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
793                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
794                                            ctr->profile.vpx);
795                 level = 0;
796         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
797                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
798                                            ctr->profile.mpeg4);
799                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
800                                          ctr->level.mpeg4);
801         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
802                 profile = 0;
803                 level = 0;
804         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
805                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
806                                            ctr->profile.hevc);
807                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
808                                          ctr->level.hevc);
809         }
810
811         ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
812         pl.profile = profile;
813         pl.level = level;
814
815         ret = hfi_session_set_property(inst, ptype, &pl);
816         if (ret)
817                 return ret;
818
819         return 0;
820 }
821
822 static int venc_init_session(struct venus_inst *inst)
823 {
824         int ret;
825
826         ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
827         if (ret)
828                 return ret;
829
830         ret = venus_helper_set_input_resolution(inst, inst->width,
831                                                 inst->height);
832         if (ret)
833                 goto deinit;
834
835         ret = venus_helper_set_output_resolution(inst, inst->width,
836                                                  inst->height,
837                                                  HFI_BUFFER_OUTPUT);
838         if (ret)
839                 goto deinit;
840
841         ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
842         if (ret)
843                 goto deinit;
844
845         ret = venc_set_properties(inst);
846         if (ret)
847                 goto deinit;
848
849         return 0;
850 deinit:
851         hfi_session_deinit(inst);
852         return ret;
853 }
854
855 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
856 {
857         struct hfi_buffer_requirements bufreq;
858         int ret;
859
860         ret = venc_init_session(inst);
861         if (ret)
862                 return ret;
863
864         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
865
866         *num = bufreq.count_actual;
867
868         hfi_session_deinit(inst);
869
870         return ret;
871 }
872
873 static int venc_queue_setup(struct vb2_queue *q,
874                             unsigned int *num_buffers, unsigned int *num_planes,
875                             unsigned int sizes[], struct device *alloc_devs[])
876 {
877         struct venus_inst *inst = vb2_get_drv_priv(q);
878         unsigned int num, min = 4;
879         int ret = 0;
880
881         if (*num_planes) {
882                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
883                     *num_planes != inst->fmt_out->num_planes)
884                         return -EINVAL;
885
886                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
887                     *num_planes != inst->fmt_cap->num_planes)
888                         return -EINVAL;
889
890                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
891                     sizes[0] < inst->input_buf_size)
892                         return -EINVAL;
893
894                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
895                     sizes[0] < inst->output_buf_size)
896                         return -EINVAL;
897
898                 return 0;
899         }
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->width,
915                                                     inst->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_verify_conf(struct venus_inst *inst)
937 {
938         enum hfi_version ver = inst->core->res->hfi_version;
939         struct hfi_buffer_requirements bufreq;
940         int ret;
941
942         if (!inst->num_input_bufs || !inst->num_output_bufs)
943                 return -EINVAL;
944
945         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
946         if (ret)
947                 return ret;
948
949         if (inst->num_output_bufs < bufreq.count_actual ||
950             inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
951                 return -EINVAL;
952
953         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
954         if (ret)
955                 return ret;
956
957         if (inst->num_input_bufs < bufreq.count_actual ||
958             inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
959                 return -EINVAL;
960
961         return 0;
962 }
963
964 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
965 {
966         struct venus_inst *inst = vb2_get_drv_priv(q);
967         int ret;
968
969         mutex_lock(&inst->lock);
970
971         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
972                 inst->streamon_out = 1;
973         else
974                 inst->streamon_cap = 1;
975
976         if (!(inst->streamon_out & inst->streamon_cap)) {
977                 mutex_unlock(&inst->lock);
978                 return 0;
979         }
980
981         venus_helper_init_instance(inst);
982
983         inst->sequence_cap = 0;
984         inst->sequence_out = 0;
985
986         ret = venc_init_session(inst);
987         if (ret)
988                 goto bufs_done;
989
990         ret = venc_set_properties(inst);
991         if (ret)
992                 goto deinit_sess;
993
994         ret = venc_verify_conf(inst);
995         if (ret)
996                 goto deinit_sess;
997
998         ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
999                                         inst->num_output_bufs, 0);
1000         if (ret)
1001                 goto deinit_sess;
1002
1003         ret = venus_helper_vb2_start_streaming(inst);
1004         if (ret)
1005                 goto deinit_sess;
1006
1007         mutex_unlock(&inst->lock);
1008
1009         return 0;
1010
1011 deinit_sess:
1012         hfi_session_deinit(inst);
1013 bufs_done:
1014         venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
1015         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1016                 inst->streamon_out = 0;
1017         else
1018                 inst->streamon_cap = 0;
1019         mutex_unlock(&inst->lock);
1020         return ret;
1021 }
1022
1023 static const struct vb2_ops venc_vb2_ops = {
1024         .queue_setup = venc_queue_setup,
1025         .buf_init = venus_helper_vb2_buf_init,
1026         .buf_prepare = venus_helper_vb2_buf_prepare,
1027         .start_streaming = venc_start_streaming,
1028         .stop_streaming = venus_helper_vb2_stop_streaming,
1029         .buf_queue = venus_helper_vb2_buf_queue,
1030 };
1031
1032 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1033                           u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1034                           u32 hfi_flags, u64 timestamp_us)
1035 {
1036         struct vb2_v4l2_buffer *vbuf;
1037         struct vb2_buffer *vb;
1038         unsigned int type;
1039
1040         if (buf_type == HFI_BUFFER_INPUT)
1041                 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1042         else
1043                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1044
1045         vbuf = venus_helper_find_buf(inst, type, tag);
1046         if (!vbuf)
1047                 return;
1048
1049         vbuf->flags = flags;
1050
1051         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1052                 vb = &vbuf->vb2_buf;
1053                 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1054                 vb->planes[0].data_offset = data_offset;
1055                 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1056                 vbuf->sequence = inst->sequence_cap++;
1057         } else {
1058                 vbuf->sequence = inst->sequence_out++;
1059         }
1060
1061         v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1062 }
1063
1064 static void venc_event_notify(struct venus_inst *inst, u32 event,
1065                               struct hfi_event_data *data)
1066 {
1067         struct device *dev = inst->core->dev_enc;
1068
1069         if (event == EVT_SESSION_ERROR) {
1070                 inst->session_error = true;
1071                 dev_err(dev, "enc: event session error %x\n", inst->error);
1072         }
1073 }
1074
1075 static const struct hfi_inst_ops venc_hfi_ops = {
1076         .buf_done = venc_buf_done,
1077         .event_notify = venc_event_notify,
1078 };
1079
1080 static const struct v4l2_m2m_ops venc_m2m_ops = {
1081         .device_run = venus_helper_m2m_device_run,
1082         .job_abort = venus_helper_m2m_job_abort,
1083 };
1084
1085 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1086                           struct vb2_queue *dst_vq)
1087 {
1088         struct venus_inst *inst = priv;
1089         int ret;
1090
1091         src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1092         src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1093         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1094         src_vq->ops = &venc_vb2_ops;
1095         src_vq->mem_ops = &vb2_dma_sg_memops;
1096         src_vq->drv_priv = inst;
1097         src_vq->buf_struct_size = sizeof(struct venus_buffer);
1098         src_vq->allow_zero_bytesused = 1;
1099         src_vq->min_buffers_needed = 1;
1100         src_vq->dev = inst->core->dev;
1101         if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1102                 src_vq->bidirectional = 1;
1103         ret = vb2_queue_init(src_vq);
1104         if (ret)
1105                 return ret;
1106
1107         dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1108         dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1109         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1110         dst_vq->ops = &venc_vb2_ops;
1111         dst_vq->mem_ops = &vb2_dma_sg_memops;
1112         dst_vq->drv_priv = inst;
1113         dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1114         dst_vq->allow_zero_bytesused = 1;
1115         dst_vq->min_buffers_needed = 1;
1116         dst_vq->dev = inst->core->dev;
1117         ret = vb2_queue_init(dst_vq);
1118         if (ret) {
1119                 vb2_queue_release(src_vq);
1120                 return ret;
1121         }
1122
1123         return 0;
1124 }
1125
1126 static void venc_inst_init(struct venus_inst *inst)
1127 {
1128         inst->fmt_cap = &venc_formats[2];
1129         inst->fmt_out = &venc_formats[0];
1130         inst->width = 1280;
1131         inst->height = ALIGN(720, 32);
1132         inst->out_width = 1280;
1133         inst->out_height = 720;
1134         inst->fps = 15;
1135         inst->timeperframe.numerator = 1;
1136         inst->timeperframe.denominator = 15;
1137         inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1138 }
1139
1140 static int venc_open(struct file *file)
1141 {
1142         struct venus_core *core = video_drvdata(file);
1143         struct venus_inst *inst;
1144         int ret;
1145
1146         inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1147         if (!inst)
1148                 return -ENOMEM;
1149
1150         INIT_LIST_HEAD(&inst->dpbbufs);
1151         INIT_LIST_HEAD(&inst->registeredbufs);
1152         INIT_LIST_HEAD(&inst->internalbufs);
1153         INIT_LIST_HEAD(&inst->list);
1154         mutex_init(&inst->lock);
1155
1156         inst->core = core;
1157         inst->session_type = VIDC_SESSION_TYPE_ENC;
1158
1159         venus_helper_init_instance(inst);
1160
1161         ret = pm_runtime_get_sync(core->dev_enc);
1162         if (ret < 0)
1163                 goto err_free_inst;
1164
1165         ret = venc_ctrl_init(inst);
1166         if (ret)
1167                 goto err_put_sync;
1168
1169         ret = hfi_session_create(inst, &venc_hfi_ops);
1170         if (ret)
1171                 goto err_ctrl_deinit;
1172
1173         venc_inst_init(inst);
1174
1175         /*
1176          * create m2m device for every instance, the m2m context scheduling
1177          * is made by firmware side so we do not need to care about.
1178          */
1179         inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1180         if (IS_ERR(inst->m2m_dev)) {
1181                 ret = PTR_ERR(inst->m2m_dev);
1182                 goto err_session_destroy;
1183         }
1184
1185         inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1186         if (IS_ERR(inst->m2m_ctx)) {
1187                 ret = PTR_ERR(inst->m2m_ctx);
1188                 goto err_m2m_release;
1189         }
1190
1191         v4l2_fh_init(&inst->fh, core->vdev_enc);
1192
1193         inst->fh.ctrl_handler = &inst->ctrl_handler;
1194         v4l2_fh_add(&inst->fh);
1195         inst->fh.m2m_ctx = inst->m2m_ctx;
1196         file->private_data = &inst->fh;
1197
1198         return 0;
1199
1200 err_m2m_release:
1201         v4l2_m2m_release(inst->m2m_dev);
1202 err_session_destroy:
1203         hfi_session_destroy(inst);
1204 err_ctrl_deinit:
1205         venc_ctrl_deinit(inst);
1206 err_put_sync:
1207         pm_runtime_put_sync(core->dev_enc);
1208 err_free_inst:
1209         kfree(inst);
1210         return ret;
1211 }
1212
1213 static int venc_close(struct file *file)
1214 {
1215         struct venus_inst *inst = to_inst(file);
1216
1217         v4l2_m2m_ctx_release(inst->m2m_ctx);
1218         v4l2_m2m_release(inst->m2m_dev);
1219         venc_ctrl_deinit(inst);
1220         hfi_session_destroy(inst);
1221         mutex_destroy(&inst->lock);
1222         v4l2_fh_del(&inst->fh);
1223         v4l2_fh_exit(&inst->fh);
1224
1225         pm_runtime_put_sync(inst->core->dev_enc);
1226
1227         kfree(inst);
1228         return 0;
1229 }
1230
1231 static const struct v4l2_file_operations venc_fops = {
1232         .owner = THIS_MODULE,
1233         .open = venc_open,
1234         .release = venc_close,
1235         .unlocked_ioctl = video_ioctl2,
1236         .poll = v4l2_m2m_fop_poll,
1237         .mmap = v4l2_m2m_fop_mmap,
1238 #ifdef CONFIG_COMPAT
1239         .compat_ioctl32 = v4l2_compat_ioctl32,
1240 #endif
1241 };
1242
1243 static int venc_probe(struct platform_device *pdev)
1244 {
1245         struct device *dev = &pdev->dev;
1246         struct video_device *vdev;
1247         struct venus_core *core;
1248         int ret;
1249
1250         if (!dev->parent)
1251                 return -EPROBE_DEFER;
1252
1253         core = dev_get_drvdata(dev->parent);
1254         if (!core)
1255                 return -EPROBE_DEFER;
1256
1257         if (IS_V3(core) || IS_V4(core)) {
1258                 core->core1_clk = devm_clk_get(dev, "core");
1259                 if (IS_ERR(core->core1_clk))
1260                         return PTR_ERR(core->core1_clk);
1261         }
1262
1263         if (IS_V4(core)) {
1264                 core->core1_bus_clk = devm_clk_get(dev, "bus");
1265                 if (IS_ERR(core->core1_bus_clk))
1266                         return PTR_ERR(core->core1_bus_clk);
1267         }
1268
1269         platform_set_drvdata(pdev, core);
1270
1271         vdev = video_device_alloc();
1272         if (!vdev)
1273                 return -ENOMEM;
1274
1275         strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1276         vdev->release = video_device_release;
1277         vdev->fops = &venc_fops;
1278         vdev->ioctl_ops = &venc_ioctl_ops;
1279         vdev->vfl_dir = VFL_DIR_M2M;
1280         vdev->v4l2_dev = &core->v4l2_dev;
1281         vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1282
1283         ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1284         if (ret)
1285                 goto err_vdev_release;
1286
1287         core->vdev_enc = vdev;
1288         core->dev_enc = dev;
1289
1290         video_set_drvdata(vdev, core);
1291         pm_runtime_enable(dev);
1292
1293         return 0;
1294
1295 err_vdev_release:
1296         video_device_release(vdev);
1297         return ret;
1298 }
1299
1300 static int venc_remove(struct platform_device *pdev)
1301 {
1302         struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1303
1304         video_unregister_device(core->vdev_enc);
1305         pm_runtime_disable(core->dev_enc);
1306
1307         return 0;
1308 }
1309
1310 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1311 {
1312         struct venus_core *core = dev_get_drvdata(dev);
1313         int ret;
1314
1315         if (IS_V1(core))
1316                 return 0;
1317
1318         ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1319         if (ret)
1320                 return ret;
1321
1322         if (IS_V4(core))
1323                 clk_disable_unprepare(core->core1_bus_clk);
1324
1325         clk_disable_unprepare(core->core1_clk);
1326
1327         return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1328 }
1329
1330 static __maybe_unused int venc_runtime_resume(struct device *dev)
1331 {
1332         struct venus_core *core = dev_get_drvdata(dev);
1333         int ret;
1334
1335         if (IS_V1(core))
1336                 return 0;
1337
1338         ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1339         if (ret)
1340                 return ret;
1341
1342         ret = clk_prepare_enable(core->core1_clk);
1343         if (ret)
1344                 goto err_power_disable;
1345
1346         if (IS_V4(core))
1347                 ret = clk_prepare_enable(core->core1_bus_clk);
1348
1349         if (ret)
1350                 goto err_unprepare_core1;
1351
1352         return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1353
1354 err_unprepare_core1:
1355         clk_disable_unprepare(core->core1_clk);
1356 err_power_disable:
1357         venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1358         return ret;
1359 }
1360
1361 static const struct dev_pm_ops venc_pm_ops = {
1362         SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1363                                 pm_runtime_force_resume)
1364         SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1365 };
1366
1367 static const struct of_device_id venc_dt_match[] = {
1368         { .compatible = "venus-encoder" },
1369         { }
1370 };
1371 MODULE_DEVICE_TABLE(of, venc_dt_match);
1372
1373 static struct platform_driver qcom_venus_enc_driver = {
1374         .probe = venc_probe,
1375         .remove = venc_remove,
1376         .driver = {
1377                 .name = "qcom-venus-encoder",
1378                 .of_match_table = venc_dt_match,
1379                 .pm = &venc_pm_ops,
1380         },
1381 };
1382 module_platform_driver(qcom_venus_enc_driver);
1383
1384 MODULE_ALIAS("platform:qcom-venus-encoder");
1385 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1386 MODULE_LICENSE("GPL v2");