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 #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 *
find_format(struct venus_inst * inst,u32 pixfmt,u32 type)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 *
find_format_by_index(struct venus_inst * inst,unsigned int index,u32 type)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
venc_v4l2_to_hfi(int id,int value)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
venc_querycap(struct file * file,void * fh,struct v4l2_capability * cap)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
venc_enum_fmt(struct file * file,void * fh,struct v4l2_fmtdesc * f)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 *
venc_try_fmt_common(struct venus_inst * inst,struct v4l2_format * f)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->height = ALIGN(pixmp->height, 32);
195
196 pixmp->width = ALIGN(pixmp->width, 2);
197 pixmp->height = ALIGN(pixmp->height, 2);
198
199 if (pixmp->field == V4L2_FIELD_ANY)
200 pixmp->field = V4L2_FIELD_NONE;
201 pixmp->num_planes = fmt->num_planes;
202 pixmp->flags = 0;
203
204 sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
205 pixmp->width,
206 pixmp->height);
207 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
208
209 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
210 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
211 else
212 pfmt[0].bytesperline = 0;
213
214 return fmt;
215 }
216
venc_try_fmt(struct file * file,void * fh,struct v4l2_format * f)217 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
218 {
219 struct venus_inst *inst = to_inst(file);
220
221 venc_try_fmt_common(inst, f);
222
223 return 0;
224 }
225
venc_s_fmt(struct file * file,void * fh,struct v4l2_format * f)226 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
227 {
228 struct venus_inst *inst = to_inst(file);
229 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
230 struct v4l2_pix_format_mplane orig_pixmp;
231 const struct venus_format *fmt;
232 struct v4l2_format format;
233 u32 pixfmt_out = 0, pixfmt_cap = 0;
234 struct vb2_queue *q;
235
236 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
237 if (!q)
238 return -EINVAL;
239
240 if (vb2_is_busy(q))
241 return -EBUSY;
242
243 orig_pixmp = *pixmp;
244
245 fmt = venc_try_fmt_common(inst, f);
246 if (!fmt)
247 return -EINVAL;
248
249 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
250 pixfmt_out = pixmp->pixelformat;
251 pixfmt_cap = inst->fmt_cap->pixfmt;
252 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
253 pixfmt_cap = pixmp->pixelformat;
254 pixfmt_out = inst->fmt_out->pixfmt;
255 }
256
257 memset(&format, 0, sizeof(format));
258
259 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
260 format.fmt.pix_mp.pixelformat = pixfmt_out;
261 format.fmt.pix_mp.width = orig_pixmp.width;
262 format.fmt.pix_mp.height = orig_pixmp.height;
263 venc_try_fmt_common(inst, &format);
264
265 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
266 inst->out_width = format.fmt.pix_mp.width;
267 inst->out_height = format.fmt.pix_mp.height;
268 inst->colorspace = pixmp->colorspace;
269 inst->ycbcr_enc = pixmp->ycbcr_enc;
270 inst->quantization = pixmp->quantization;
271 inst->xfer_func = pixmp->xfer_func;
272 }
273
274 memset(&format, 0, sizeof(format));
275
276 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
277 format.fmt.pix_mp.pixelformat = pixfmt_cap;
278 format.fmt.pix_mp.width = orig_pixmp.width;
279 format.fmt.pix_mp.height = orig_pixmp.height;
280 venc_try_fmt_common(inst, &format);
281
282 inst->width = format.fmt.pix_mp.width;
283 inst->height = format.fmt.pix_mp.height;
284
285 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
286 inst->fmt_out = fmt;
287 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
288 inst->fmt_cap = fmt;
289 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
290 }
291
292 return 0;
293 }
294
venc_g_fmt(struct file * file,void * fh,struct v4l2_format * f)295 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
296 {
297 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
298 struct venus_inst *inst = to_inst(file);
299 const struct venus_format *fmt;
300
301 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
302 fmt = inst->fmt_cap;
303 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
304 fmt = inst->fmt_out;
305 else
306 return -EINVAL;
307
308 pixmp->pixelformat = fmt->pixfmt;
309
310 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
311 pixmp->width = inst->width;
312 pixmp->height = inst->height;
313 pixmp->colorspace = inst->colorspace;
314 pixmp->ycbcr_enc = inst->ycbcr_enc;
315 pixmp->quantization = inst->quantization;
316 pixmp->xfer_func = inst->xfer_func;
317 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
318 pixmp->width = inst->out_width;
319 pixmp->height = inst->out_height;
320 }
321
322 venc_try_fmt_common(inst, f);
323
324 return 0;
325 }
326
327 static int
venc_g_selection(struct file * file,void * fh,struct v4l2_selection * s)328 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
329 {
330 struct venus_inst *inst = to_inst(file);
331
332 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
333 return -EINVAL;
334
335 switch (s->target) {
336 case V4L2_SEL_TGT_CROP_DEFAULT:
337 case V4L2_SEL_TGT_CROP_BOUNDS:
338 s->r.width = inst->width;
339 s->r.height = inst->height;
340 break;
341 case V4L2_SEL_TGT_CROP:
342 s->r.width = inst->out_width;
343 s->r.height = inst->out_height;
344 break;
345 default:
346 return -EINVAL;
347 }
348
349 s->r.top = 0;
350 s->r.left = 0;
351
352 return 0;
353 }
354
355 static int
venc_s_selection(struct file * file,void * fh,struct v4l2_selection * s)356 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
357 {
358 struct venus_inst *inst = to_inst(file);
359
360 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
361 return -EINVAL;
362
363 switch (s->target) {
364 case V4L2_SEL_TGT_CROP:
365 if (s->r.width != inst->out_width ||
366 s->r.height != inst->out_height ||
367 s->r.top != 0 || s->r.left != 0)
368 return -EINVAL;
369 break;
370 default:
371 return -EINVAL;
372 }
373
374 return 0;
375 }
376
venc_s_parm(struct file * file,void * fh,struct v4l2_streamparm * a)377 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
378 {
379 struct venus_inst *inst = to_inst(file);
380 struct v4l2_outputparm *out = &a->parm.output;
381 struct v4l2_fract *timeperframe = &out->timeperframe;
382 u64 us_per_frame, fps;
383
384 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
385 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
386 return -EINVAL;
387
388 memset(out->reserved, 0, sizeof(out->reserved));
389
390 if (!timeperframe->denominator)
391 timeperframe->denominator = inst->timeperframe.denominator;
392 if (!timeperframe->numerator)
393 timeperframe->numerator = inst->timeperframe.numerator;
394
395 out->capability = V4L2_CAP_TIMEPERFRAME;
396
397 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
398 do_div(us_per_frame, timeperframe->denominator);
399
400 if (!us_per_frame)
401 return -EINVAL;
402
403 fps = (u64)USEC_PER_SEC;
404 do_div(fps, us_per_frame);
405
406 inst->timeperframe = *timeperframe;
407 inst->fps = fps;
408
409 return 0;
410 }
411
venc_g_parm(struct file * file,void * fh,struct v4l2_streamparm * a)412 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
413 {
414 struct venus_inst *inst = to_inst(file);
415
416 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
417 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
418 return -EINVAL;
419
420 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
421 a->parm.output.timeperframe = inst->timeperframe;
422
423 return 0;
424 }
425
venc_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)426 static int venc_enum_framesizes(struct file *file, void *fh,
427 struct v4l2_frmsizeenum *fsize)
428 {
429 struct venus_inst *inst = to_inst(file);
430 const struct venus_format *fmt;
431
432 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
433
434 fmt = find_format(inst, fsize->pixel_format,
435 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
436 if (!fmt) {
437 fmt = find_format(inst, fsize->pixel_format,
438 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
439 if (!fmt)
440 return -EINVAL;
441 }
442
443 if (fsize->index)
444 return -EINVAL;
445
446 fsize->stepwise.min_width = frame_width_min(inst);
447 fsize->stepwise.max_width = frame_width_max(inst);
448 fsize->stepwise.step_width = frame_width_step(inst);
449 fsize->stepwise.min_height = frame_height_min(inst);
450 fsize->stepwise.max_height = frame_height_max(inst);
451 fsize->stepwise.step_height = frame_height_step(inst);
452
453 return 0;
454 }
455
venc_enum_frameintervals(struct file * file,void * fh,struct v4l2_frmivalenum * fival)456 static int venc_enum_frameintervals(struct file *file, void *fh,
457 struct v4l2_frmivalenum *fival)
458 {
459 struct venus_inst *inst = to_inst(file);
460 const struct venus_format *fmt;
461 unsigned int framerate_factor = 1;
462
463 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
464
465 fmt = find_format(inst, fival->pixel_format,
466 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
467 if (!fmt) {
468 fmt = find_format(inst, fival->pixel_format,
469 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
470 if (!fmt)
471 return -EINVAL;
472 }
473
474 if (fival->index)
475 return -EINVAL;
476
477 if (!fival->width || !fival->height)
478 return -EINVAL;
479
480 if (fival->width > frame_width_max(inst) ||
481 fival->width < frame_width_min(inst) ||
482 fival->height > frame_height_max(inst) ||
483 fival->height < frame_height_min(inst))
484 return -EINVAL;
485
486 if (IS_V1(inst->core)) {
487 /* framerate is reported in 1/65535 fps unit */
488 framerate_factor = (1 << 16);
489 }
490
491 fival->stepwise.min.numerator = 1;
492 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
493 fival->stepwise.max.numerator = 1;
494 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
495 fival->stepwise.step.numerator = 1;
496 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
497
498 return 0;
499 }
500
501 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
502 .vidioc_querycap = venc_querycap,
503 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
504 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
505 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
506 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
507 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
508 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
509 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
510 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
511 .vidioc_g_selection = venc_g_selection,
512 .vidioc_s_selection = venc_s_selection,
513 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
514 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
515 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
516 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
517 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
518 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
519 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
520 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
521 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
522 .vidioc_s_parm = venc_s_parm,
523 .vidioc_g_parm = venc_g_parm,
524 .vidioc_enum_framesizes = venc_enum_framesizes,
525 .vidioc_enum_frameintervals = venc_enum_frameintervals,
526 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
527 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
528 };
529
venc_set_properties(struct venus_inst * inst)530 static int venc_set_properties(struct venus_inst *inst)
531 {
532 struct venc_controls *ctr = &inst->controls.enc;
533 struct hfi_intra_period intra_period;
534 struct hfi_framerate frate;
535 struct hfi_bitrate brate;
536 struct hfi_idr_period idrp;
537 struct hfi_quantization quant;
538 struct hfi_quantization_range quant_range;
539 u32 ptype, rate_control, bitrate;
540 u32 profile, level;
541 int ret;
542
543 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
544 if (ret)
545 return ret;
546
547 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
548 frate.buffer_type = HFI_BUFFER_OUTPUT;
549 frate.framerate = inst->fps * (1 << 16);
550
551 ret = hfi_session_set_property(inst, ptype, &frate);
552 if (ret)
553 return ret;
554
555 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
556 struct hfi_h264_vui_timing_info info;
557 struct hfi_h264_entropy_control entropy;
558 struct hfi_h264_db_control deblock;
559
560 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
561 info.enable = 1;
562 info.fixed_framerate = 1;
563 info.time_scale = NSEC_PER_SEC;
564
565 ret = hfi_session_set_property(inst, ptype, &info);
566 if (ret)
567 return ret;
568
569 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
570 entropy.entropy_mode = venc_v4l2_to_hfi(
571 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
572 ctr->h264_entropy_mode);
573 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
574
575 ret = hfi_session_set_property(inst, ptype, &entropy);
576 if (ret)
577 return ret;
578
579 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
580 deblock.mode = venc_v4l2_to_hfi(
581 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
582 ctr->h264_loop_filter_mode);
583 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
584 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
585
586 ret = hfi_session_set_property(inst, ptype, &deblock);
587 if (ret)
588 return ret;
589 }
590
591 /* IDR periodicity, n:
592 * n = 0 - only the first I-frame is IDR frame
593 * n = 1 - all I-frames will be IDR frames
594 * n > 1 - every n-th I-frame will be IDR frame
595 */
596 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
597 idrp.idr_period = 0;
598 ret = hfi_session_set_property(inst, ptype, &idrp);
599 if (ret)
600 return ret;
601
602 if (ctr->num_b_frames) {
603 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
604
605 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
606 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
607 if (ret)
608 return ret;
609 }
610
611 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
612 intra_period.pframes = ctr->num_p_frames;
613 intra_period.bframes = ctr->num_b_frames;
614
615 ret = hfi_session_set_property(inst, ptype, &intra_period);
616 if (ret)
617 return ret;
618
619 if (!ctr->rc_enable)
620 rate_control = HFI_RATE_CONTROL_OFF;
621 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
622 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
623 HFI_RATE_CONTROL_VBR_CFR;
624 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
625 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
626 HFI_RATE_CONTROL_CBR_CFR;
627 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
628 rate_control = HFI_RATE_CONTROL_CQ;
629
630 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
631 ret = hfi_session_set_property(inst, ptype, &rate_control);
632 if (ret)
633 return ret;
634
635 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
636 struct hfi_heic_frame_quality quality = {};
637
638 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
639 quality.frame_quality = ctr->const_quality;
640 ret = hfi_session_set_property(inst, ptype, &quality);
641 if (ret)
642 return ret;
643 }
644
645 if (!ctr->bitrate)
646 bitrate = 64000;
647 else
648 bitrate = ctr->bitrate;
649
650 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
651 brate.bitrate = bitrate;
652 brate.layer_id = 0;
653
654 ret = hfi_session_set_property(inst, ptype, &brate);
655 if (ret)
656 return ret;
657
658 if (!ctr->bitrate_peak)
659 bitrate *= 2;
660 else
661 bitrate = ctr->bitrate_peak;
662
663 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
664 brate.bitrate = bitrate;
665 brate.layer_id = 0;
666
667 ret = hfi_session_set_property(inst, ptype, &brate);
668 if (ret)
669 return ret;
670
671 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
672 quant.qp_i = ctr->h264_i_qp;
673 quant.qp_p = ctr->h264_p_qp;
674 quant.qp_b = ctr->h264_b_qp;
675 quant.layer_id = 0;
676 ret = hfi_session_set_property(inst, ptype, &quant);
677 if (ret)
678 return ret;
679
680 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
681 quant_range.min_qp = ctr->h264_min_qp;
682 quant_range.max_qp = ctr->h264_max_qp;
683 quant_range.layer_id = 0;
684 ret = hfi_session_set_property(inst, ptype, &quant_range);
685 if (ret)
686 return ret;
687
688 switch (inst->hfi_codec) {
689 case HFI_VIDEO_CODEC_H264:
690 profile = ctr->profile.h264;
691 level = ctr->level.h264;
692 break;
693 case HFI_VIDEO_CODEC_MPEG4:
694 profile = ctr->profile.mpeg4;
695 level = ctr->level.mpeg4;
696 break;
697 case HFI_VIDEO_CODEC_VP8:
698 profile = ctr->profile.vp8;
699 level = 0;
700 break;
701 case HFI_VIDEO_CODEC_VP9:
702 profile = ctr->profile.vp9;
703 level = ctr->level.vp9;
704 break;
705 case HFI_VIDEO_CODEC_HEVC:
706 profile = ctr->profile.hevc;
707 level = ctr->level.hevc;
708 break;
709 case HFI_VIDEO_CODEC_MPEG2:
710 default:
711 profile = 0;
712 level = 0;
713 break;
714 }
715
716 ret = venus_helper_set_profile_level(inst, profile, level);
717 if (ret)
718 return ret;
719
720 return 0;
721 }
722
venc_init_session(struct venus_inst * inst)723 static int venc_init_session(struct venus_inst *inst)
724 {
725 int ret;
726
727 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
728 if (ret)
729 return ret;
730
731 ret = venus_helper_set_input_resolution(inst, inst->width,
732 inst->height);
733 if (ret)
734 goto deinit;
735
736 ret = venus_helper_set_output_resolution(inst, inst->width,
737 inst->height,
738 HFI_BUFFER_OUTPUT);
739 if (ret)
740 goto deinit;
741
742 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
743 if (ret)
744 goto deinit;
745
746 ret = venus_helper_init_codec_freq_data(inst);
747 if (ret)
748 goto deinit;
749
750 ret = venc_set_properties(inst);
751 if (ret)
752 goto deinit;
753
754 return 0;
755 deinit:
756 hfi_session_deinit(inst);
757 return ret;
758 }
759
venc_out_num_buffers(struct venus_inst * inst,unsigned int * num)760 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
761 {
762 struct hfi_buffer_requirements bufreq;
763 int ret;
764
765 ret = venc_init_session(inst);
766 if (ret)
767 return ret;
768
769 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
770
771 *num = bufreq.count_actual;
772
773 hfi_session_deinit(inst);
774
775 return ret;
776 }
777
venc_queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])778 static int venc_queue_setup(struct vb2_queue *q,
779 unsigned int *num_buffers, unsigned int *num_planes,
780 unsigned int sizes[], struct device *alloc_devs[])
781 {
782 struct venus_inst *inst = vb2_get_drv_priv(q);
783 unsigned int num, min = 4;
784 int ret = 0;
785
786 if (*num_planes) {
787 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
788 *num_planes != inst->fmt_out->num_planes)
789 return -EINVAL;
790
791 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
792 *num_planes != inst->fmt_cap->num_planes)
793 return -EINVAL;
794
795 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
796 sizes[0] < inst->input_buf_size)
797 return -EINVAL;
798
799 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
800 sizes[0] < inst->output_buf_size)
801 return -EINVAL;
802
803 return 0;
804 }
805
806 switch (q->type) {
807 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
808 *num_planes = inst->fmt_out->num_planes;
809
810 ret = venc_out_num_buffers(inst, &num);
811 if (ret)
812 break;
813
814 num = max(num, min);
815 *num_buffers = max(*num_buffers, num);
816 inst->num_input_bufs = *num_buffers;
817
818 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
819 inst->width,
820 inst->height);
821 inst->input_buf_size = sizes[0];
822 break;
823 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
824 *num_planes = inst->fmt_cap->num_planes;
825 *num_buffers = max(*num_buffers, min);
826 inst->num_output_bufs = *num_buffers;
827 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
828 inst->width,
829 inst->height);
830 sizes[0] = max(sizes[0], inst->output_buf_size);
831 inst->output_buf_size = sizes[0];
832 break;
833 default:
834 ret = -EINVAL;
835 break;
836 }
837
838 return ret;
839 }
840
venc_verify_conf(struct venus_inst * inst)841 static int venc_verify_conf(struct venus_inst *inst)
842 {
843 enum hfi_version ver = inst->core->res->hfi_version;
844 struct hfi_buffer_requirements bufreq;
845 int ret;
846
847 if (!inst->num_input_bufs || !inst->num_output_bufs)
848 return -EINVAL;
849
850 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
851 if (ret)
852 return ret;
853
854 if (inst->num_output_bufs < bufreq.count_actual ||
855 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
856 return -EINVAL;
857
858 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
859 if (ret)
860 return ret;
861
862 if (inst->num_input_bufs < bufreq.count_actual ||
863 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
864 return -EINVAL;
865
866 return 0;
867 }
868
venc_start_streaming(struct vb2_queue * q,unsigned int count)869 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
870 {
871 struct venus_inst *inst = vb2_get_drv_priv(q);
872 int ret;
873
874 mutex_lock(&inst->lock);
875
876 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
877 inst->streamon_out = 1;
878 else
879 inst->streamon_cap = 1;
880
881 if (!(inst->streamon_out & inst->streamon_cap)) {
882 mutex_unlock(&inst->lock);
883 return 0;
884 }
885
886 venus_helper_init_instance(inst);
887
888 inst->sequence_cap = 0;
889 inst->sequence_out = 0;
890
891 ret = venc_init_session(inst);
892 if (ret)
893 goto bufs_done;
894
895 ret = venus_pm_acquire_core(inst);
896 if (ret)
897 goto deinit_sess;
898
899 ret = venc_set_properties(inst);
900 if (ret)
901 goto deinit_sess;
902
903 ret = venc_verify_conf(inst);
904 if (ret)
905 goto deinit_sess;
906
907 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
908 inst->num_output_bufs, 0);
909 if (ret)
910 goto deinit_sess;
911
912 ret = venus_helper_vb2_start_streaming(inst);
913 if (ret)
914 goto deinit_sess;
915
916 mutex_unlock(&inst->lock);
917
918 return 0;
919
920 deinit_sess:
921 hfi_session_deinit(inst);
922 bufs_done:
923 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
924 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
925 inst->streamon_out = 0;
926 else
927 inst->streamon_cap = 0;
928 mutex_unlock(&inst->lock);
929 return ret;
930 }
931
932 static const struct vb2_ops venc_vb2_ops = {
933 .queue_setup = venc_queue_setup,
934 .buf_init = venus_helper_vb2_buf_init,
935 .buf_prepare = venus_helper_vb2_buf_prepare,
936 .start_streaming = venc_start_streaming,
937 .stop_streaming = venus_helper_vb2_stop_streaming,
938 .buf_queue = venus_helper_vb2_buf_queue,
939 };
940
venc_buf_done(struct venus_inst * inst,unsigned int buf_type,u32 tag,u32 bytesused,u32 data_offset,u32 flags,u32 hfi_flags,u64 timestamp_us)941 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
942 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
943 u32 hfi_flags, u64 timestamp_us)
944 {
945 struct vb2_v4l2_buffer *vbuf;
946 struct vb2_buffer *vb;
947 unsigned int type;
948
949 if (buf_type == HFI_BUFFER_INPUT)
950 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
951 else
952 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
953
954 vbuf = venus_helper_find_buf(inst, type, tag);
955 if (!vbuf)
956 return;
957
958 vbuf->flags = flags;
959
960 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
961 vb = &vbuf->vb2_buf;
962 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
963 vb->planes[0].data_offset = data_offset;
964 vb->timestamp = timestamp_us * NSEC_PER_USEC;
965 vbuf->sequence = inst->sequence_cap++;
966 } else {
967 vbuf->sequence = inst->sequence_out++;
968 }
969
970 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
971 }
972
venc_event_notify(struct venus_inst * inst,u32 event,struct hfi_event_data * data)973 static void venc_event_notify(struct venus_inst *inst, u32 event,
974 struct hfi_event_data *data)
975 {
976 struct device *dev = inst->core->dev_enc;
977
978 if (event == EVT_SESSION_ERROR) {
979 inst->session_error = true;
980 dev_err(dev, "enc: event session error %x\n", inst->error);
981 }
982 }
983
984 static const struct hfi_inst_ops venc_hfi_ops = {
985 .buf_done = venc_buf_done,
986 .event_notify = venc_event_notify,
987 };
988
989 static const struct v4l2_m2m_ops venc_m2m_ops = {
990 .device_run = venus_helper_m2m_device_run,
991 .job_abort = venus_helper_m2m_job_abort,
992 };
993
m2m_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)994 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
995 struct vb2_queue *dst_vq)
996 {
997 struct venus_inst *inst = priv;
998 int ret;
999
1000 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1001 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1002 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1003 src_vq->ops = &venc_vb2_ops;
1004 src_vq->mem_ops = &vb2_dma_sg_memops;
1005 src_vq->drv_priv = inst;
1006 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1007 src_vq->allow_zero_bytesused = 1;
1008 src_vq->min_buffers_needed = 1;
1009 src_vq->dev = inst->core->dev;
1010 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1011 src_vq->bidirectional = 1;
1012 ret = vb2_queue_init(src_vq);
1013 if (ret)
1014 return ret;
1015
1016 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1017 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1018 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1019 dst_vq->ops = &venc_vb2_ops;
1020 dst_vq->mem_ops = &vb2_dma_sg_memops;
1021 dst_vq->drv_priv = inst;
1022 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1023 dst_vq->allow_zero_bytesused = 1;
1024 dst_vq->min_buffers_needed = 1;
1025 dst_vq->dev = inst->core->dev;
1026 return vb2_queue_init(dst_vq);
1027 }
1028
venc_inst_init(struct venus_inst * inst)1029 static void venc_inst_init(struct venus_inst *inst)
1030 {
1031 inst->fmt_cap = &venc_formats[2];
1032 inst->fmt_out = &venc_formats[0];
1033 inst->width = 1280;
1034 inst->height = ALIGN(720, 32);
1035 inst->out_width = 1280;
1036 inst->out_height = 720;
1037 inst->fps = 15;
1038 inst->timeperframe.numerator = 1;
1039 inst->timeperframe.denominator = 15;
1040 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1041 }
1042
venc_open(struct file * file)1043 static int venc_open(struct file *file)
1044 {
1045 struct venus_core *core = video_drvdata(file);
1046 struct venus_inst *inst;
1047 int ret;
1048
1049 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1050 if (!inst)
1051 return -ENOMEM;
1052
1053 INIT_LIST_HEAD(&inst->dpbbufs);
1054 INIT_LIST_HEAD(&inst->registeredbufs);
1055 INIT_LIST_HEAD(&inst->internalbufs);
1056 INIT_LIST_HEAD(&inst->list);
1057 mutex_init(&inst->lock);
1058
1059 inst->core = core;
1060 inst->session_type = VIDC_SESSION_TYPE_ENC;
1061 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1062 inst->core_acquired = false;
1063
1064 venus_helper_init_instance(inst);
1065
1066 ret = pm_runtime_get_sync(core->dev_enc);
1067 if (ret < 0)
1068 goto err_put_sync;
1069
1070 ret = venc_ctrl_init(inst);
1071 if (ret)
1072 goto err_put_sync;
1073
1074 ret = hfi_session_create(inst, &venc_hfi_ops);
1075 if (ret)
1076 goto err_ctrl_deinit;
1077
1078 venc_inst_init(inst);
1079
1080 /*
1081 * create m2m device for every instance, the m2m context scheduling
1082 * is made by firmware side so we do not need to care about.
1083 */
1084 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1085 if (IS_ERR(inst->m2m_dev)) {
1086 ret = PTR_ERR(inst->m2m_dev);
1087 goto err_session_destroy;
1088 }
1089
1090 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1091 if (IS_ERR(inst->m2m_ctx)) {
1092 ret = PTR_ERR(inst->m2m_ctx);
1093 goto err_m2m_release;
1094 }
1095
1096 v4l2_fh_init(&inst->fh, core->vdev_enc);
1097
1098 inst->fh.ctrl_handler = &inst->ctrl_handler;
1099 v4l2_fh_add(&inst->fh);
1100 inst->fh.m2m_ctx = inst->m2m_ctx;
1101 file->private_data = &inst->fh;
1102
1103 return 0;
1104
1105 err_m2m_release:
1106 v4l2_m2m_release(inst->m2m_dev);
1107 err_session_destroy:
1108 hfi_session_destroy(inst);
1109 err_ctrl_deinit:
1110 venc_ctrl_deinit(inst);
1111 err_put_sync:
1112 pm_runtime_put_sync(core->dev_enc);
1113 kfree(inst);
1114 return ret;
1115 }
1116
venc_close(struct file * file)1117 static int venc_close(struct file *file)
1118 {
1119 struct venus_inst *inst = to_inst(file);
1120
1121 v4l2_m2m_ctx_release(inst->m2m_ctx);
1122 v4l2_m2m_release(inst->m2m_dev);
1123 venc_ctrl_deinit(inst);
1124 hfi_session_destroy(inst);
1125 mutex_destroy(&inst->lock);
1126 v4l2_fh_del(&inst->fh);
1127 v4l2_fh_exit(&inst->fh);
1128
1129 pm_runtime_put_sync(inst->core->dev_enc);
1130
1131 kfree(inst);
1132 return 0;
1133 }
1134
1135 static const struct v4l2_file_operations venc_fops = {
1136 .owner = THIS_MODULE,
1137 .open = venc_open,
1138 .release = venc_close,
1139 .unlocked_ioctl = video_ioctl2,
1140 .poll = v4l2_m2m_fop_poll,
1141 .mmap = v4l2_m2m_fop_mmap,
1142 };
1143
venc_probe(struct platform_device * pdev)1144 static int venc_probe(struct platform_device *pdev)
1145 {
1146 struct device *dev = &pdev->dev;
1147 struct video_device *vdev;
1148 struct venus_core *core;
1149 int ret;
1150
1151 if (!dev->parent)
1152 return -EPROBE_DEFER;
1153
1154 core = dev_get_drvdata(dev->parent);
1155 if (!core)
1156 return -EPROBE_DEFER;
1157
1158 platform_set_drvdata(pdev, core);
1159
1160 if (core->pm_ops->venc_get) {
1161 ret = core->pm_ops->venc_get(dev);
1162 if (ret)
1163 return ret;
1164 }
1165
1166 vdev = video_device_alloc();
1167 if (!vdev)
1168 return -ENOMEM;
1169
1170 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1171 vdev->release = video_device_release;
1172 vdev->fops = &venc_fops;
1173 vdev->ioctl_ops = &venc_ioctl_ops;
1174 vdev->vfl_dir = VFL_DIR_M2M;
1175 vdev->v4l2_dev = &core->v4l2_dev;
1176 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1177
1178 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1179 if (ret)
1180 goto err_vdev_release;
1181
1182 core->vdev_enc = vdev;
1183 core->dev_enc = dev;
1184
1185 video_set_drvdata(vdev, core);
1186 pm_runtime_enable(dev);
1187
1188 return 0;
1189
1190 err_vdev_release:
1191 video_device_release(vdev);
1192 return ret;
1193 }
1194
venc_remove(struct platform_device * pdev)1195 static int venc_remove(struct platform_device *pdev)
1196 {
1197 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1198
1199 video_unregister_device(core->vdev_enc);
1200 pm_runtime_disable(core->dev_enc);
1201
1202 if (core->pm_ops->venc_put)
1203 core->pm_ops->venc_put(core->dev_enc);
1204
1205 return 0;
1206 }
1207
venc_runtime_suspend(struct device * dev)1208 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1209 {
1210 struct venus_core *core = dev_get_drvdata(dev);
1211 const struct venus_pm_ops *pm_ops = core->pm_ops;
1212 int ret = 0;
1213
1214 if (pm_ops->venc_power)
1215 ret = pm_ops->venc_power(dev, POWER_OFF);
1216
1217 return ret;
1218 }
1219
venc_runtime_resume(struct device * dev)1220 static __maybe_unused int venc_runtime_resume(struct device *dev)
1221 {
1222 struct venus_core *core = dev_get_drvdata(dev);
1223 const struct venus_pm_ops *pm_ops = core->pm_ops;
1224 int ret = 0;
1225
1226 if (pm_ops->venc_power)
1227 ret = pm_ops->venc_power(dev, POWER_ON);
1228
1229 return ret;
1230 }
1231
1232 static const struct dev_pm_ops venc_pm_ops = {
1233 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1234 pm_runtime_force_resume)
1235 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1236 };
1237
1238 static const struct of_device_id venc_dt_match[] = {
1239 { .compatible = "venus-encoder" },
1240 { }
1241 };
1242 MODULE_DEVICE_TABLE(of, venc_dt_match);
1243
1244 static struct platform_driver qcom_venus_enc_driver = {
1245 .probe = venc_probe,
1246 .remove = venc_remove,
1247 .driver = {
1248 .name = "qcom-venus-encoder",
1249 .of_match_table = venc_dt_match,
1250 .pm = &venc_pm_ops,
1251 },
1252 };
1253 module_platform_driver(qcom_venus_enc_driver);
1254
1255 MODULE_ALIAS("platform:qcom-venus-encoder");
1256 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1257 MODULE_LICENSE("GPL v2");
1258