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5
6#include <linux/clk.h>
7#include <linux/module.h>
8#include <linux/mod_devicetable.h>
9#include <linux/platform_device.h>
10#include <linux/pm_runtime.h>
11#include <linux/slab.h>
12#include <media/v4l2-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
28
29
30
31
32
33static 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
61static const struct venus_format *
62find_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
83static const struct venus_format *
84find_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
112static 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
264static int
265venc_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
274static 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
291static const struct venus_format *
292venc_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
298 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
299 memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
300
301 fmt = find_format(inst, pixmp->pixelformat, f->type);
302 if (!fmt) {
303 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
304 pixmp->pixelformat = V4L2_PIX_FMT_H264;
305 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
306 pixmp->pixelformat = V4L2_PIX_FMT_NV12;
307 else
308 return NULL;
309 fmt = find_format(inst, pixmp->pixelformat, f->type);
310 }
311
312 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
313 frame_width_max(inst));
314 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
315 frame_height_max(inst));
316
317 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
318 pixmp->height = ALIGN(pixmp->height, 32);
319
320 pixmp->width = ALIGN(pixmp->width, 2);
321 pixmp->height = ALIGN(pixmp->height, 2);
322
323 if (pixmp->field == V4L2_FIELD_ANY)
324 pixmp->field = V4L2_FIELD_NONE;
325 pixmp->num_planes = fmt->num_planes;
326 pixmp->flags = 0;
327
328 pfmt[0].sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
329 pixmp->width,
330 pixmp->height);
331
332 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
333 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
334 else
335 pfmt[0].bytesperline = 0;
336
337 return fmt;
338}
339
340static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
341{
342 struct venus_inst *inst = to_inst(file);
343
344 venc_try_fmt_common(inst, f);
345
346 return 0;
347}
348
349static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
350{
351 struct venus_inst *inst = to_inst(file);
352 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
353 struct v4l2_pix_format_mplane orig_pixmp;
354 const struct venus_format *fmt;
355 struct v4l2_format format;
356 u32 pixfmt_out = 0, pixfmt_cap = 0;
357
358 orig_pixmp = *pixmp;
359
360 fmt = venc_try_fmt_common(inst, f);
361 if (!fmt)
362 return -EINVAL;
363
364 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
365 pixfmt_out = pixmp->pixelformat;
366 pixfmt_cap = inst->fmt_cap->pixfmt;
367 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
368 pixfmt_cap = pixmp->pixelformat;
369 pixfmt_out = inst->fmt_out->pixfmt;
370 }
371
372 memset(&format, 0, sizeof(format));
373
374 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
375 format.fmt.pix_mp.pixelformat = pixfmt_out;
376 format.fmt.pix_mp.width = orig_pixmp.width;
377 format.fmt.pix_mp.height = orig_pixmp.height;
378 venc_try_fmt_common(inst, &format);
379
380 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
381 inst->out_width = format.fmt.pix_mp.width;
382 inst->out_height = format.fmt.pix_mp.height;
383 inst->colorspace = pixmp->colorspace;
384 inst->ycbcr_enc = pixmp->ycbcr_enc;
385 inst->quantization = pixmp->quantization;
386 inst->xfer_func = pixmp->xfer_func;
387 }
388
389 memset(&format, 0, sizeof(format));
390
391 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
392 format.fmt.pix_mp.pixelformat = pixfmt_cap;
393 format.fmt.pix_mp.width = orig_pixmp.width;
394 format.fmt.pix_mp.height = orig_pixmp.height;
395 venc_try_fmt_common(inst, &format);
396
397 inst->width = format.fmt.pix_mp.width;
398 inst->height = format.fmt.pix_mp.height;
399
400 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
401 inst->fmt_out = fmt;
402 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
403 inst->fmt_cap = fmt;
404
405 return 0;
406}
407
408static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
409{
410 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
411 struct venus_inst *inst = to_inst(file);
412 const struct venus_format *fmt;
413
414 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
415 fmt = inst->fmt_cap;
416 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
417 fmt = inst->fmt_out;
418 else
419 return -EINVAL;
420
421 pixmp->pixelformat = fmt->pixfmt;
422
423 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
424 pixmp->width = inst->width;
425 pixmp->height = inst->height;
426 pixmp->colorspace = inst->colorspace;
427 pixmp->ycbcr_enc = inst->ycbcr_enc;
428 pixmp->quantization = inst->quantization;
429 pixmp->xfer_func = inst->xfer_func;
430 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
431 pixmp->width = inst->out_width;
432 pixmp->height = inst->out_height;
433 }
434
435 venc_try_fmt_common(inst, f);
436
437 return 0;
438}
439
440static int
441venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
442{
443 struct venus_inst *inst = to_inst(file);
444
445 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
446 return -EINVAL;
447
448 switch (s->target) {
449 case V4L2_SEL_TGT_CROP_DEFAULT:
450 case V4L2_SEL_TGT_CROP_BOUNDS:
451 s->r.width = inst->width;
452 s->r.height = inst->height;
453 break;
454 case V4L2_SEL_TGT_CROP:
455 s->r.width = inst->out_width;
456 s->r.height = inst->out_height;
457 break;
458 default:
459 return -EINVAL;
460 }
461
462 s->r.top = 0;
463 s->r.left = 0;
464
465 return 0;
466}
467
468static int
469venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
470{
471 struct venus_inst *inst = to_inst(file);
472
473 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
474 return -EINVAL;
475
476 switch (s->target) {
477 case V4L2_SEL_TGT_CROP:
478 if (s->r.width != inst->out_width ||
479 s->r.height != inst->out_height ||
480 s->r.top != 0 || s->r.left != 0)
481 return -EINVAL;
482 break;
483 default:
484 return -EINVAL;
485 }
486
487 return 0;
488}
489
490static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
491{
492 struct venus_inst *inst = to_inst(file);
493 struct v4l2_outputparm *out = &a->parm.output;
494 struct v4l2_fract *timeperframe = &out->timeperframe;
495 u64 us_per_frame, fps;
496
497 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
498 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
499 return -EINVAL;
500
501 memset(out->reserved, 0, sizeof(out->reserved));
502
503 if (!timeperframe->denominator)
504 timeperframe->denominator = inst->timeperframe.denominator;
505 if (!timeperframe->numerator)
506 timeperframe->numerator = inst->timeperframe.numerator;
507
508 out->capability = V4L2_CAP_TIMEPERFRAME;
509
510 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
511 do_div(us_per_frame, timeperframe->denominator);
512
513 if (!us_per_frame)
514 return -EINVAL;
515
516 fps = (u64)USEC_PER_SEC;
517 do_div(fps, us_per_frame);
518
519 inst->timeperframe = *timeperframe;
520 inst->fps = fps;
521
522 return 0;
523}
524
525static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
526{
527 struct venus_inst *inst = to_inst(file);
528
529 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
530 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
531 return -EINVAL;
532
533 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
534 a->parm.output.timeperframe = inst->timeperframe;
535
536 return 0;
537}
538
539static int venc_enum_framesizes(struct file *file, void *fh,
540 struct v4l2_frmsizeenum *fsize)
541{
542 struct venus_inst *inst = to_inst(file);
543 const struct venus_format *fmt;
544
545 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
546
547 fmt = find_format(inst, fsize->pixel_format,
548 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
549 if (!fmt) {
550 fmt = find_format(inst, fsize->pixel_format,
551 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
552 if (!fmt)
553 return -EINVAL;
554 }
555
556 if (fsize->index)
557 return -EINVAL;
558
559 fsize->stepwise.min_width = frame_width_min(inst);
560 fsize->stepwise.max_width = frame_width_max(inst);
561 fsize->stepwise.step_width = frame_width_step(inst);
562 fsize->stepwise.min_height = frame_height_min(inst);
563 fsize->stepwise.max_height = frame_height_max(inst);
564 fsize->stepwise.step_height = frame_height_step(inst);
565
566 return 0;
567}
568
569static int venc_enum_frameintervals(struct file *file, void *fh,
570 struct v4l2_frmivalenum *fival)
571{
572 struct venus_inst *inst = to_inst(file);
573 const struct venus_format *fmt;
574
575 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
576
577 fmt = find_format(inst, fival->pixel_format,
578 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
579 if (!fmt) {
580 fmt = find_format(inst, fival->pixel_format,
581 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
582 if (!fmt)
583 return -EINVAL;
584 }
585
586 if (fival->index)
587 return -EINVAL;
588
589 if (!fival->width || !fival->height)
590 return -EINVAL;
591
592 if (fival->width > frame_width_max(inst) ||
593 fival->width < frame_width_min(inst) ||
594 fival->height > frame_height_max(inst) ||
595 fival->height < frame_height_min(inst))
596 return -EINVAL;
597
598 fival->stepwise.min.numerator = 1;
599 fival->stepwise.min.denominator = frate_max(inst);
600 fival->stepwise.max.numerator = 1;
601 fival->stepwise.max.denominator = frate_min(inst);
602 fival->stepwise.step.numerator = 1;
603 fival->stepwise.step.denominator = frate_max(inst);
604
605 return 0;
606}
607
608static const struct v4l2_ioctl_ops venc_ioctl_ops = {
609 .vidioc_querycap = venc_querycap,
610 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
611 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
612 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
613 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
614 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
615 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
616 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
617 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
618 .vidioc_g_selection = venc_g_selection,
619 .vidioc_s_selection = venc_s_selection,
620 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
621 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
622 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
623 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
624 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
625 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
626 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
627 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
628 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
629 .vidioc_s_parm = venc_s_parm,
630 .vidioc_g_parm = venc_g_parm,
631 .vidioc_enum_framesizes = venc_enum_framesizes,
632 .vidioc_enum_frameintervals = venc_enum_frameintervals,
633 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
634 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
635};
636
637static int venc_set_properties(struct venus_inst *inst)
638{
639 struct venc_controls *ctr = &inst->controls.enc;
640 struct hfi_intra_period intra_period;
641 struct hfi_profile_level pl;
642 struct hfi_framerate frate;
643 struct hfi_bitrate brate;
644 struct hfi_idr_period idrp;
645 struct hfi_quantization quant;
646 struct hfi_quantization_range quant_range;
647 u32 ptype, rate_control, bitrate, profile = 0, level = 0;
648 int ret;
649
650 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
651 if (ret)
652 return ret;
653
654 ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
655 if (ret)
656 return ret;
657
658 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
659 frate.buffer_type = HFI_BUFFER_OUTPUT;
660 frate.framerate = inst->fps * (1 << 16);
661
662 ret = hfi_session_set_property(inst, ptype, &frate);
663 if (ret)
664 return ret;
665
666 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
667 struct hfi_h264_vui_timing_info info;
668 struct hfi_h264_entropy_control entropy;
669 struct hfi_h264_db_control deblock;
670
671 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
672 info.enable = 1;
673 info.fixed_framerate = 1;
674 info.time_scale = NSEC_PER_SEC;
675
676 ret = hfi_session_set_property(inst, ptype, &info);
677 if (ret)
678 return ret;
679
680 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
681 entropy.entropy_mode = venc_v4l2_to_hfi(
682 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
683 ctr->h264_entropy_mode);
684 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
685
686 ret = hfi_session_set_property(inst, ptype, &entropy);
687 if (ret)
688 return ret;
689
690 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
691 deblock.mode = venc_v4l2_to_hfi(
692 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
693 ctr->h264_loop_filter_mode);
694 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
695 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
696
697 ret = hfi_session_set_property(inst, ptype, &deblock);
698 if (ret)
699 return ret;
700 }
701
702
703
704
705
706
707 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
708 idrp.idr_period = 0;
709 ret = hfi_session_set_property(inst, ptype, &idrp);
710 if (ret)
711 return ret;
712
713 if (ctr->num_b_frames) {
714 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
715
716 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
717 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
718 if (ret)
719 return ret;
720 }
721
722 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
723 intra_period.pframes = ctr->num_p_frames;
724 intra_period.bframes = ctr->num_b_frames;
725
726 ret = hfi_session_set_property(inst, ptype, &intra_period);
727 if (ret)
728 return ret;
729
730 if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
731 rate_control = HFI_RATE_CONTROL_VBR_CFR;
732 else
733 rate_control = HFI_RATE_CONTROL_CBR_CFR;
734
735 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
736 ret = hfi_session_set_property(inst, ptype, &rate_control);
737 if (ret)
738 return ret;
739
740 if (!ctr->bitrate)
741 bitrate = 64000;
742 else
743 bitrate = ctr->bitrate;
744
745 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
746 brate.bitrate = bitrate;
747 brate.layer_id = 0;
748
749 ret = hfi_session_set_property(inst, ptype, &brate);
750 if (ret)
751 return ret;
752
753 if (!ctr->bitrate_peak)
754 bitrate *= 2;
755 else
756 bitrate = ctr->bitrate_peak;
757
758 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
759 brate.bitrate = bitrate;
760 brate.layer_id = 0;
761
762 ret = hfi_session_set_property(inst, ptype, &brate);
763 if (ret)
764 return ret;
765
766 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
767 quant.qp_i = ctr->h264_i_qp;
768 quant.qp_p = ctr->h264_p_qp;
769 quant.qp_b = ctr->h264_b_qp;
770 quant.layer_id = 0;
771 ret = hfi_session_set_property(inst, ptype, &quant);
772 if (ret)
773 return ret;
774
775 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
776 quant_range.min_qp = ctr->h264_min_qp;
777 quant_range.max_qp = ctr->h264_max_qp;
778 quant_range.layer_id = 0;
779 ret = hfi_session_set_property(inst, ptype, &quant_range);
780 if (ret)
781 return ret;
782
783 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
784 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
785 ctr->profile.h264);
786 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
787 ctr->level.h264);
788 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
789 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
790 ctr->profile.vpx);
791 level = 0;
792 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
793 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
794 ctr->profile.mpeg4);
795 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
796 ctr->level.mpeg4);
797 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
798 profile = 0;
799 level = 0;
800 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
801 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
802 ctr->profile.hevc);
803 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
804 ctr->level.hevc);
805 }
806
807 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
808 pl.profile = profile;
809 pl.level = level;
810
811 ret = hfi_session_set_property(inst, ptype, &pl);
812 if (ret)
813 return ret;
814
815 return 0;
816}
817
818static int venc_init_session(struct venus_inst *inst)
819{
820 int ret;
821
822 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
823 if (ret)
824 return ret;
825
826 ret = venus_helper_set_input_resolution(inst, inst->width,
827 inst->height);
828 if (ret)
829 goto deinit;
830
831 ret = venus_helper_set_output_resolution(inst, inst->width,
832 inst->height,
833 HFI_BUFFER_OUTPUT);
834 if (ret)
835 goto deinit;
836
837 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
838 if (ret)
839 goto deinit;
840
841 ret = venc_set_properties(inst);
842 if (ret)
843 goto deinit;
844
845 return 0;
846deinit:
847 hfi_session_deinit(inst);
848 return ret;
849}
850
851static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
852{
853 struct hfi_buffer_requirements bufreq;
854 int ret;
855
856 ret = venc_init_session(inst);
857 if (ret)
858 return ret;
859
860 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
861
862 *num = bufreq.count_actual;
863
864 hfi_session_deinit(inst);
865
866 return ret;
867}
868
869static int venc_queue_setup(struct vb2_queue *q,
870 unsigned int *num_buffers, unsigned int *num_planes,
871 unsigned int sizes[], struct device *alloc_devs[])
872{
873 struct venus_inst *inst = vb2_get_drv_priv(q);
874 unsigned int num, min = 4;
875 int ret = 0;
876
877 if (*num_planes) {
878 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
879 *num_planes != inst->fmt_out->num_planes)
880 return -EINVAL;
881
882 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
883 *num_planes != inst->fmt_cap->num_planes)
884 return -EINVAL;
885
886 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
887 sizes[0] < inst->input_buf_size)
888 return -EINVAL;
889
890 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
891 sizes[0] < inst->output_buf_size)
892 return -EINVAL;
893
894 return 0;
895 }
896
897 switch (q->type) {
898 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
899 *num_planes = inst->fmt_out->num_planes;
900
901 ret = venc_out_num_buffers(inst, &num);
902 if (ret)
903 break;
904
905 num = max(num, min);
906 *num_buffers = max(*num_buffers, num);
907 inst->num_input_bufs = *num_buffers;
908
909 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
910 inst->width,
911 inst->height);
912 inst->input_buf_size = sizes[0];
913 break;
914 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
915 *num_planes = inst->fmt_cap->num_planes;
916 *num_buffers = max(*num_buffers, min);
917 inst->num_output_bufs = *num_buffers;
918 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
919 inst->width,
920 inst->height);
921 inst->output_buf_size = sizes[0];
922 break;
923 default:
924 ret = -EINVAL;
925 break;
926 }
927
928 return ret;
929}
930
931static int venc_verify_conf(struct venus_inst *inst)
932{
933 enum hfi_version ver = inst->core->res->hfi_version;
934 struct hfi_buffer_requirements bufreq;
935 int ret;
936
937 if (!inst->num_input_bufs || !inst->num_output_bufs)
938 return -EINVAL;
939
940 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
941 if (ret)
942 return ret;
943
944 if (inst->num_output_bufs < bufreq.count_actual ||
945 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
946 return -EINVAL;
947
948 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
949 if (ret)
950 return ret;
951
952 if (inst->num_input_bufs < bufreq.count_actual ||
953 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
954 return -EINVAL;
955
956 return 0;
957}
958
959static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
960{
961 struct venus_inst *inst = vb2_get_drv_priv(q);
962 int ret;
963
964 mutex_lock(&inst->lock);
965
966 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
967 inst->streamon_out = 1;
968 else
969 inst->streamon_cap = 1;
970
971 if (!(inst->streamon_out & inst->streamon_cap)) {
972 mutex_unlock(&inst->lock);
973 return 0;
974 }
975
976 venus_helper_init_instance(inst);
977
978 inst->sequence_cap = 0;
979 inst->sequence_out = 0;
980
981 ret = venc_init_session(inst);
982 if (ret)
983 goto bufs_done;
984
985 ret = venc_set_properties(inst);
986 if (ret)
987 goto deinit_sess;
988
989 ret = venc_verify_conf(inst);
990 if (ret)
991 goto deinit_sess;
992
993 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
994 inst->num_output_bufs, 0);
995 if (ret)
996 goto deinit_sess;
997
998 ret = venus_helper_vb2_start_streaming(inst);
999 if (ret)
1000 goto deinit_sess;
1001
1002 mutex_unlock(&inst->lock);
1003
1004 return 0;
1005
1006deinit_sess:
1007 hfi_session_deinit(inst);
1008bufs_done:
1009 venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
1010 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1011 inst->streamon_out = 0;
1012 else
1013 inst->streamon_cap = 0;
1014 mutex_unlock(&inst->lock);
1015 return ret;
1016}
1017
1018static const struct vb2_ops venc_vb2_ops = {
1019 .queue_setup = venc_queue_setup,
1020 .buf_init = venus_helper_vb2_buf_init,
1021 .buf_prepare = venus_helper_vb2_buf_prepare,
1022 .start_streaming = venc_start_streaming,
1023 .stop_streaming = venus_helper_vb2_stop_streaming,
1024 .buf_queue = venus_helper_vb2_buf_queue,
1025};
1026
1027static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1028 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1029 u32 hfi_flags, u64 timestamp_us)
1030{
1031 struct vb2_v4l2_buffer *vbuf;
1032 struct vb2_buffer *vb;
1033 unsigned int type;
1034
1035 if (buf_type == HFI_BUFFER_INPUT)
1036 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1037 else
1038 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1039
1040 vbuf = venus_helper_find_buf(inst, type, tag);
1041 if (!vbuf)
1042 return;
1043
1044 vbuf->flags = flags;
1045
1046 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1047 vb = &vbuf->vb2_buf;
1048 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1049 vb->planes[0].data_offset = data_offset;
1050 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1051 vbuf->sequence = inst->sequence_cap++;
1052 } else {
1053 vbuf->sequence = inst->sequence_out++;
1054 }
1055
1056 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1057}
1058
1059static void venc_event_notify(struct venus_inst *inst, u32 event,
1060 struct hfi_event_data *data)
1061{
1062 struct device *dev = inst->core->dev_enc;
1063
1064 if (event == EVT_SESSION_ERROR) {
1065 inst->session_error = true;
1066 dev_err(dev, "enc: event session error %x\n", inst->error);
1067 }
1068}
1069
1070static const struct hfi_inst_ops venc_hfi_ops = {
1071 .buf_done = venc_buf_done,
1072 .event_notify = venc_event_notify,
1073};
1074
1075static const struct v4l2_m2m_ops venc_m2m_ops = {
1076 .device_run = venus_helper_m2m_device_run,
1077 .job_abort = venus_helper_m2m_job_abort,
1078};
1079
1080static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1081 struct vb2_queue *dst_vq)
1082{
1083 struct venus_inst *inst = priv;
1084 int ret;
1085
1086 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1087 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1088 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1089 src_vq->ops = &venc_vb2_ops;
1090 src_vq->mem_ops = &vb2_dma_sg_memops;
1091 src_vq->drv_priv = inst;
1092 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1093 src_vq->allow_zero_bytesused = 1;
1094 src_vq->min_buffers_needed = 1;
1095 src_vq->dev = inst->core->dev;
1096 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1097 src_vq->bidirectional = 1;
1098 ret = vb2_queue_init(src_vq);
1099 if (ret)
1100 return ret;
1101
1102 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1103 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1104 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1105 dst_vq->ops = &venc_vb2_ops;
1106 dst_vq->mem_ops = &vb2_dma_sg_memops;
1107 dst_vq->drv_priv = inst;
1108 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1109 dst_vq->allow_zero_bytesused = 1;
1110 dst_vq->min_buffers_needed = 1;
1111 dst_vq->dev = inst->core->dev;
1112 ret = vb2_queue_init(dst_vq);
1113 if (ret) {
1114 vb2_queue_release(src_vq);
1115 return ret;
1116 }
1117
1118 return 0;
1119}
1120
1121static void venc_inst_init(struct venus_inst *inst)
1122{
1123 inst->fmt_cap = &venc_formats[2];
1124 inst->fmt_out = &venc_formats[0];
1125 inst->width = 1280;
1126 inst->height = ALIGN(720, 32);
1127 inst->out_width = 1280;
1128 inst->out_height = 720;
1129 inst->fps = 15;
1130 inst->timeperframe.numerator = 1;
1131 inst->timeperframe.denominator = 15;
1132 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1133}
1134
1135static int venc_open(struct file *file)
1136{
1137 struct venus_core *core = video_drvdata(file);
1138 struct venus_inst *inst;
1139 int ret;
1140
1141 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1142 if (!inst)
1143 return -ENOMEM;
1144
1145 INIT_LIST_HEAD(&inst->dpbbufs);
1146 INIT_LIST_HEAD(&inst->registeredbufs);
1147 INIT_LIST_HEAD(&inst->internalbufs);
1148 INIT_LIST_HEAD(&inst->list);
1149 mutex_init(&inst->lock);
1150
1151 inst->core = core;
1152 inst->session_type = VIDC_SESSION_TYPE_ENC;
1153
1154 venus_helper_init_instance(inst);
1155
1156 ret = pm_runtime_get_sync(core->dev_enc);
1157 if (ret < 0)
1158 goto err_free_inst;
1159
1160 ret = venc_ctrl_init(inst);
1161 if (ret)
1162 goto err_put_sync;
1163
1164 ret = hfi_session_create(inst, &venc_hfi_ops);
1165 if (ret)
1166 goto err_ctrl_deinit;
1167
1168 venc_inst_init(inst);
1169
1170
1171
1172
1173
1174 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1175 if (IS_ERR(inst->m2m_dev)) {
1176 ret = PTR_ERR(inst->m2m_dev);
1177 goto err_session_destroy;
1178 }
1179
1180 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1181 if (IS_ERR(inst->m2m_ctx)) {
1182 ret = PTR_ERR(inst->m2m_ctx);
1183 goto err_m2m_release;
1184 }
1185
1186 v4l2_fh_init(&inst->fh, core->vdev_enc);
1187
1188 inst->fh.ctrl_handler = &inst->ctrl_handler;
1189 v4l2_fh_add(&inst->fh);
1190 inst->fh.m2m_ctx = inst->m2m_ctx;
1191 file->private_data = &inst->fh;
1192
1193 return 0;
1194
1195err_m2m_release:
1196 v4l2_m2m_release(inst->m2m_dev);
1197err_session_destroy:
1198 hfi_session_destroy(inst);
1199err_ctrl_deinit:
1200 venc_ctrl_deinit(inst);
1201err_put_sync:
1202 pm_runtime_put_sync(core->dev_enc);
1203err_free_inst:
1204 kfree(inst);
1205 return ret;
1206}
1207
1208static int venc_close(struct file *file)
1209{
1210 struct venus_inst *inst = to_inst(file);
1211
1212 v4l2_m2m_ctx_release(inst->m2m_ctx);
1213 v4l2_m2m_release(inst->m2m_dev);
1214 venc_ctrl_deinit(inst);
1215 hfi_session_destroy(inst);
1216 mutex_destroy(&inst->lock);
1217 v4l2_fh_del(&inst->fh);
1218 v4l2_fh_exit(&inst->fh);
1219
1220 pm_runtime_put_sync(inst->core->dev_enc);
1221
1222 kfree(inst);
1223 return 0;
1224}
1225
1226static const struct v4l2_file_operations venc_fops = {
1227 .owner = THIS_MODULE,
1228 .open = venc_open,
1229 .release = venc_close,
1230 .unlocked_ioctl = video_ioctl2,
1231 .poll = v4l2_m2m_fop_poll,
1232 .mmap = v4l2_m2m_fop_mmap,
1233#ifdef CONFIG_COMPAT
1234 .compat_ioctl32 = v4l2_compat_ioctl32,
1235#endif
1236};
1237
1238static int venc_probe(struct platform_device *pdev)
1239{
1240 struct device *dev = &pdev->dev;
1241 struct video_device *vdev;
1242 struct venus_core *core;
1243 int ret;
1244
1245 if (!dev->parent)
1246 return -EPROBE_DEFER;
1247
1248 core = dev_get_drvdata(dev->parent);
1249 if (!core)
1250 return -EPROBE_DEFER;
1251
1252 if (IS_V3(core) || IS_V4(core)) {
1253 core->core1_clk = devm_clk_get(dev, "core");
1254 if (IS_ERR(core->core1_clk))
1255 return PTR_ERR(core->core1_clk);
1256 }
1257
1258 if (IS_V4(core)) {
1259 core->core1_bus_clk = devm_clk_get(dev, "bus");
1260 if (IS_ERR(core->core1_bus_clk))
1261 return PTR_ERR(core->core1_bus_clk);
1262 }
1263
1264 platform_set_drvdata(pdev, core);
1265
1266 vdev = video_device_alloc();
1267 if (!vdev)
1268 return -ENOMEM;
1269
1270 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1271 vdev->release = video_device_release;
1272 vdev->fops = &venc_fops;
1273 vdev->ioctl_ops = &venc_ioctl_ops;
1274 vdev->vfl_dir = VFL_DIR_M2M;
1275 vdev->v4l2_dev = &core->v4l2_dev;
1276 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1277
1278 ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1279 if (ret)
1280 goto err_vdev_release;
1281
1282 core->vdev_enc = vdev;
1283 core->dev_enc = dev;
1284
1285 video_set_drvdata(vdev, core);
1286 pm_runtime_enable(dev);
1287
1288 return 0;
1289
1290err_vdev_release:
1291 video_device_release(vdev);
1292 return ret;
1293}
1294
1295static int venc_remove(struct platform_device *pdev)
1296{
1297 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1298
1299 video_unregister_device(core->vdev_enc);
1300 pm_runtime_disable(core->dev_enc);
1301
1302 return 0;
1303}
1304
1305static __maybe_unused int venc_runtime_suspend(struct device *dev)
1306{
1307 struct venus_core *core = dev_get_drvdata(dev);
1308 int ret;
1309
1310 if (IS_V1(core))
1311 return 0;
1312
1313 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1314 if (ret)
1315 return ret;
1316
1317 if (IS_V4(core))
1318 clk_disable_unprepare(core->core1_bus_clk);
1319
1320 clk_disable_unprepare(core->core1_clk);
1321
1322 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1323}
1324
1325static __maybe_unused int venc_runtime_resume(struct device *dev)
1326{
1327 struct venus_core *core = dev_get_drvdata(dev);
1328 int ret;
1329
1330 if (IS_V1(core))
1331 return 0;
1332
1333 ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1334 if (ret)
1335 return ret;
1336
1337 ret = clk_prepare_enable(core->core1_clk);
1338 if (ret)
1339 goto err_power_disable;
1340
1341 if (IS_V4(core))
1342 ret = clk_prepare_enable(core->core1_bus_clk);
1343
1344 if (ret)
1345 goto err_unprepare_core1;
1346
1347 return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1348
1349err_unprepare_core1:
1350 clk_disable_unprepare(core->core1_clk);
1351err_power_disable:
1352 venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1353 return ret;
1354}
1355
1356static const struct dev_pm_ops venc_pm_ops = {
1357 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1358 pm_runtime_force_resume)
1359 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1360};
1361
1362static const struct of_device_id venc_dt_match[] = {
1363 { .compatible = "venus-encoder" },
1364 { }
1365};
1366MODULE_DEVICE_TABLE(of, venc_dt_match);
1367
1368static struct platform_driver qcom_venus_enc_driver = {
1369 .probe = venc_probe,
1370 .remove = venc_remove,
1371 .driver = {
1372 .name = "qcom-venus-encoder",
1373 .of_match_table = venc_dt_match,
1374 .pm = &venc_pm_ops,
1375 },
1376};
1377module_platform_driver(qcom_venus_enc_driver);
1378
1379MODULE_ALIAS("platform:qcom-venus-encoder");
1380MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1381MODULE_LICENSE("GPL v2");
1382