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 if (!fmt)
187 return NULL;
188 }
189
190 pixmp->width = clamp(pixmp->width, frame_width_min(inst),
191 frame_width_max(inst));
192 pixmp->height = clamp(pixmp->height, frame_height_min(inst),
193 frame_height_max(inst));
194
195 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
196 pixmp->height = ALIGN(pixmp->height, 32);
197
198 pixmp->width = ALIGN(pixmp->width, 2);
199 pixmp->height = ALIGN(pixmp->height, 2);
200
201 if (pixmp->field == V4L2_FIELD_ANY)
202 pixmp->field = V4L2_FIELD_NONE;
203 pixmp->num_planes = fmt->num_planes;
204 pixmp->flags = 0;
205
206 sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
207 pixmp->width,
208 pixmp->height);
209 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
210
211 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
212 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
213 else
214 pfmt[0].bytesperline = 0;
215
216 return fmt;
217 }
218
venc_try_fmt(struct file * file,void * fh,struct v4l2_format * f)219 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
220 {
221 struct venus_inst *inst = to_inst(file);
222
223 venc_try_fmt_common(inst, f);
224
225 return 0;
226 }
227
venc_s_fmt(struct file * file,void * fh,struct v4l2_format * f)228 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
229 {
230 struct venus_inst *inst = to_inst(file);
231 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
232 struct v4l2_pix_format_mplane orig_pixmp;
233 const struct venus_format *fmt;
234 struct v4l2_format format;
235 u32 pixfmt_out = 0, pixfmt_cap = 0;
236 struct vb2_queue *q;
237
238 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
239 if (!q)
240 return -EINVAL;
241
242 if (vb2_is_busy(q))
243 return -EBUSY;
244
245 orig_pixmp = *pixmp;
246
247 fmt = venc_try_fmt_common(inst, f);
248 if (!fmt)
249 return -EINVAL;
250
251 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
252 pixfmt_out = pixmp->pixelformat;
253 pixfmt_cap = inst->fmt_cap->pixfmt;
254 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
255 pixfmt_cap = pixmp->pixelformat;
256 pixfmt_out = inst->fmt_out->pixfmt;
257 }
258
259 memset(&format, 0, sizeof(format));
260
261 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
262 format.fmt.pix_mp.pixelformat = pixfmt_out;
263 format.fmt.pix_mp.width = orig_pixmp.width;
264 format.fmt.pix_mp.height = orig_pixmp.height;
265 venc_try_fmt_common(inst, &format);
266
267 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
268 inst->out_width = format.fmt.pix_mp.width;
269 inst->out_height = format.fmt.pix_mp.height;
270 inst->colorspace = pixmp->colorspace;
271 inst->ycbcr_enc = pixmp->ycbcr_enc;
272 inst->quantization = pixmp->quantization;
273 inst->xfer_func = pixmp->xfer_func;
274 }
275
276 memset(&format, 0, sizeof(format));
277
278 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
279 format.fmt.pix_mp.pixelformat = pixfmt_cap;
280 format.fmt.pix_mp.width = orig_pixmp.width;
281 format.fmt.pix_mp.height = orig_pixmp.height;
282 venc_try_fmt_common(inst, &format);
283
284 inst->width = format.fmt.pix_mp.width;
285 inst->height = format.fmt.pix_mp.height;
286
287 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
288 inst->fmt_out = fmt;
289 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
290 inst->fmt_cap = fmt;
291 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
292 }
293
294 return 0;
295 }
296
venc_g_fmt(struct file * file,void * fh,struct v4l2_format * f)297 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
298 {
299 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
300 struct venus_inst *inst = to_inst(file);
301 const struct venus_format *fmt;
302
303 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
304 fmt = inst->fmt_cap;
305 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
306 fmt = inst->fmt_out;
307 else
308 return -EINVAL;
309
310 pixmp->pixelformat = fmt->pixfmt;
311
312 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
313 pixmp->width = inst->width;
314 pixmp->height = inst->height;
315 pixmp->colorspace = inst->colorspace;
316 pixmp->ycbcr_enc = inst->ycbcr_enc;
317 pixmp->quantization = inst->quantization;
318 pixmp->xfer_func = inst->xfer_func;
319 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
320 pixmp->width = inst->out_width;
321 pixmp->height = inst->out_height;
322 }
323
324 venc_try_fmt_common(inst, f);
325
326 return 0;
327 }
328
329 static int
venc_g_selection(struct file * file,void * fh,struct v4l2_selection * s)330 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
331 {
332 struct venus_inst *inst = to_inst(file);
333
334 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
335 return -EINVAL;
336
337 switch (s->target) {
338 case V4L2_SEL_TGT_CROP_DEFAULT:
339 case V4L2_SEL_TGT_CROP_BOUNDS:
340 s->r.width = inst->width;
341 s->r.height = inst->height;
342 break;
343 case V4L2_SEL_TGT_CROP:
344 s->r.width = inst->out_width;
345 s->r.height = inst->out_height;
346 break;
347 default:
348 return -EINVAL;
349 }
350
351 s->r.top = 0;
352 s->r.left = 0;
353
354 return 0;
355 }
356
357 static int
venc_s_selection(struct file * file,void * fh,struct v4l2_selection * s)358 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
359 {
360 struct venus_inst *inst = to_inst(file);
361
362 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
363 return -EINVAL;
364
365 switch (s->target) {
366 case V4L2_SEL_TGT_CROP:
367 if (s->r.width != inst->out_width ||
368 s->r.height != inst->out_height ||
369 s->r.top != 0 || s->r.left != 0)
370 return -EINVAL;
371 break;
372 default:
373 return -EINVAL;
374 }
375
376 return 0;
377 }
378
venc_s_parm(struct file * file,void * fh,struct v4l2_streamparm * a)379 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
380 {
381 struct venus_inst *inst = to_inst(file);
382 struct v4l2_outputparm *out = &a->parm.output;
383 struct v4l2_fract *timeperframe = &out->timeperframe;
384 u64 us_per_frame, fps;
385
386 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
387 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
388 return -EINVAL;
389
390 memset(out->reserved, 0, sizeof(out->reserved));
391
392 if (!timeperframe->denominator)
393 timeperframe->denominator = inst->timeperframe.denominator;
394 if (!timeperframe->numerator)
395 timeperframe->numerator = inst->timeperframe.numerator;
396
397 out->capability = V4L2_CAP_TIMEPERFRAME;
398
399 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
400 do_div(us_per_frame, timeperframe->denominator);
401
402 if (!us_per_frame)
403 return -EINVAL;
404
405 fps = (u64)USEC_PER_SEC;
406 do_div(fps, us_per_frame);
407
408 inst->timeperframe = *timeperframe;
409 inst->fps = fps;
410
411 return 0;
412 }
413
venc_g_parm(struct file * file,void * fh,struct v4l2_streamparm * a)414 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
415 {
416 struct venus_inst *inst = to_inst(file);
417
418 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
419 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
420 return -EINVAL;
421
422 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
423 a->parm.output.timeperframe = inst->timeperframe;
424
425 return 0;
426 }
427
venc_enum_framesizes(struct file * file,void * fh,struct v4l2_frmsizeenum * fsize)428 static int venc_enum_framesizes(struct file *file, void *fh,
429 struct v4l2_frmsizeenum *fsize)
430 {
431 struct venus_inst *inst = to_inst(file);
432 const struct venus_format *fmt;
433
434 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
435
436 fmt = find_format(inst, fsize->pixel_format,
437 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
438 if (!fmt) {
439 fmt = find_format(inst, fsize->pixel_format,
440 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
441 if (!fmt)
442 return -EINVAL;
443 }
444
445 if (fsize->index)
446 return -EINVAL;
447
448 fsize->stepwise.min_width = frame_width_min(inst);
449 fsize->stepwise.max_width = frame_width_max(inst);
450 fsize->stepwise.step_width = frame_width_step(inst);
451 fsize->stepwise.min_height = frame_height_min(inst);
452 fsize->stepwise.max_height = frame_height_max(inst);
453 fsize->stepwise.step_height = frame_height_step(inst);
454
455 return 0;
456 }
457
venc_enum_frameintervals(struct file * file,void * fh,struct v4l2_frmivalenum * fival)458 static int venc_enum_frameintervals(struct file *file, void *fh,
459 struct v4l2_frmivalenum *fival)
460 {
461 struct venus_inst *inst = to_inst(file);
462 const struct venus_format *fmt;
463 unsigned int framerate_factor = 1;
464
465 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
466
467 fmt = find_format(inst, fival->pixel_format,
468 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
469 if (!fmt) {
470 fmt = find_format(inst, fival->pixel_format,
471 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
472 if (!fmt)
473 return -EINVAL;
474 }
475
476 if (fival->index)
477 return -EINVAL;
478
479 if (!fival->width || !fival->height)
480 return -EINVAL;
481
482 if (fival->width > frame_width_max(inst) ||
483 fival->width < frame_width_min(inst) ||
484 fival->height > frame_height_max(inst) ||
485 fival->height < frame_height_min(inst))
486 return -EINVAL;
487
488 if (IS_V1(inst->core)) {
489 /* framerate is reported in 1/65535 fps unit */
490 framerate_factor = (1 << 16);
491 }
492
493 fival->stepwise.min.numerator = 1;
494 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
495 fival->stepwise.max.numerator = 1;
496 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
497 fival->stepwise.step.numerator = 1;
498 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
499
500 return 0;
501 }
502
503 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
504 .vidioc_querycap = venc_querycap,
505 .vidioc_enum_fmt_vid_cap = venc_enum_fmt,
506 .vidioc_enum_fmt_vid_out = venc_enum_fmt,
507 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
508 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
509 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
510 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
511 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
512 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
513 .vidioc_g_selection = venc_g_selection,
514 .vidioc_s_selection = venc_s_selection,
515 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
516 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
517 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
518 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
519 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
520 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
521 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
522 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
523 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
524 .vidioc_s_parm = venc_s_parm,
525 .vidioc_g_parm = venc_g_parm,
526 .vidioc_enum_framesizes = venc_enum_framesizes,
527 .vidioc_enum_frameintervals = venc_enum_frameintervals,
528 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
529 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
530 };
531
venc_set_properties(struct venus_inst * inst)532 static int venc_set_properties(struct venus_inst *inst)
533 {
534 struct venc_controls *ctr = &inst->controls.enc;
535 struct hfi_intra_period intra_period;
536 struct hfi_framerate frate;
537 struct hfi_bitrate brate;
538 struct hfi_idr_period idrp;
539 struct hfi_quantization quant;
540 struct hfi_quantization_range quant_range;
541 u32 ptype, rate_control, bitrate;
542 u32 profile, level;
543 int ret;
544
545 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
546 if (ret)
547 return ret;
548
549 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
550 frate.buffer_type = HFI_BUFFER_OUTPUT;
551 frate.framerate = inst->fps * (1 << 16);
552
553 ret = hfi_session_set_property(inst, ptype, &frate);
554 if (ret)
555 return ret;
556
557 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
558 struct hfi_h264_vui_timing_info info;
559 struct hfi_h264_entropy_control entropy;
560 struct hfi_h264_db_control deblock;
561
562 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
563 info.enable = 1;
564 info.fixed_framerate = 1;
565 info.time_scale = NSEC_PER_SEC;
566
567 ret = hfi_session_set_property(inst, ptype, &info);
568 if (ret)
569 return ret;
570
571 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
572 entropy.entropy_mode = venc_v4l2_to_hfi(
573 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
574 ctr->h264_entropy_mode);
575 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
576
577 ret = hfi_session_set_property(inst, ptype, &entropy);
578 if (ret)
579 return ret;
580
581 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
582 deblock.mode = venc_v4l2_to_hfi(
583 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
584 ctr->h264_loop_filter_mode);
585 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
586 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
587
588 ret = hfi_session_set_property(inst, ptype, &deblock);
589 if (ret)
590 return ret;
591 }
592
593 /* IDR periodicity, n:
594 * n = 0 - only the first I-frame is IDR frame
595 * n = 1 - all I-frames will be IDR frames
596 * n > 1 - every n-th I-frame will be IDR frame
597 */
598 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
599 idrp.idr_period = 0;
600 ret = hfi_session_set_property(inst, ptype, &idrp);
601 if (ret)
602 return ret;
603
604 if (ctr->num_b_frames) {
605 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
606
607 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
608 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
609 if (ret)
610 return ret;
611 }
612
613 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
614 intra_period.pframes = ctr->num_p_frames;
615 intra_period.bframes = ctr->num_b_frames;
616
617 ret = hfi_session_set_property(inst, ptype, &intra_period);
618 if (ret)
619 return ret;
620
621 if (!ctr->rc_enable)
622 rate_control = HFI_RATE_CONTROL_OFF;
623 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
624 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
625 HFI_RATE_CONTROL_VBR_CFR;
626 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
627 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
628 HFI_RATE_CONTROL_CBR_CFR;
629 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
630 rate_control = HFI_RATE_CONTROL_CQ;
631
632 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
633 ret = hfi_session_set_property(inst, ptype, &rate_control);
634 if (ret)
635 return ret;
636
637 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
638 struct hfi_heic_frame_quality quality = {};
639
640 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
641 quality.frame_quality = ctr->const_quality;
642 ret = hfi_session_set_property(inst, ptype, &quality);
643 if (ret)
644 return ret;
645 }
646
647 if (!ctr->bitrate)
648 bitrate = 64000;
649 else
650 bitrate = ctr->bitrate;
651
652 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
653 brate.bitrate = bitrate;
654 brate.layer_id = 0;
655
656 ret = hfi_session_set_property(inst, ptype, &brate);
657 if (ret)
658 return ret;
659
660 if (!ctr->bitrate_peak)
661 bitrate *= 2;
662 else
663 bitrate = ctr->bitrate_peak;
664
665 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
666 brate.bitrate = bitrate;
667 brate.layer_id = 0;
668
669 ret = hfi_session_set_property(inst, ptype, &brate);
670 if (ret)
671 return ret;
672
673 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
674 quant.qp_i = ctr->h264_i_qp;
675 quant.qp_p = ctr->h264_p_qp;
676 quant.qp_b = ctr->h264_b_qp;
677 quant.layer_id = 0;
678 ret = hfi_session_set_property(inst, ptype, &quant);
679 if (ret)
680 return ret;
681
682 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
683 quant_range.min_qp = ctr->h264_min_qp;
684 quant_range.max_qp = ctr->h264_max_qp;
685 quant_range.layer_id = 0;
686 ret = hfi_session_set_property(inst, ptype, &quant_range);
687 if (ret)
688 return ret;
689
690 switch (inst->hfi_codec) {
691 case HFI_VIDEO_CODEC_H264:
692 profile = ctr->profile.h264;
693 level = ctr->level.h264;
694 break;
695 case HFI_VIDEO_CODEC_MPEG4:
696 profile = ctr->profile.mpeg4;
697 level = ctr->level.mpeg4;
698 break;
699 case HFI_VIDEO_CODEC_VP8:
700 profile = ctr->profile.vp8;
701 level = 0;
702 break;
703 case HFI_VIDEO_CODEC_VP9:
704 profile = ctr->profile.vp9;
705 level = ctr->level.vp9;
706 break;
707 case HFI_VIDEO_CODEC_HEVC:
708 profile = ctr->profile.hevc;
709 level = ctr->level.hevc;
710 break;
711 case HFI_VIDEO_CODEC_MPEG2:
712 default:
713 profile = 0;
714 level = 0;
715 break;
716 }
717
718 ret = venus_helper_set_profile_level(inst, profile, level);
719 if (ret)
720 return ret;
721
722 return 0;
723 }
724
venc_init_session(struct venus_inst * inst)725 static int venc_init_session(struct venus_inst *inst)
726 {
727 int ret;
728
729 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
730 if (ret)
731 return ret;
732
733 ret = venus_helper_set_input_resolution(inst, inst->width,
734 inst->height);
735 if (ret)
736 goto deinit;
737
738 ret = venus_helper_set_output_resolution(inst, inst->width,
739 inst->height,
740 HFI_BUFFER_OUTPUT);
741 if (ret)
742 goto deinit;
743
744 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
745 if (ret)
746 goto deinit;
747
748 ret = venus_helper_init_codec_freq_data(inst);
749 if (ret)
750 goto deinit;
751
752 ret = venc_set_properties(inst);
753 if (ret)
754 goto deinit;
755
756 return 0;
757 deinit:
758 hfi_session_deinit(inst);
759 return ret;
760 }
761
venc_out_num_buffers(struct venus_inst * inst,unsigned int * num)762 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
763 {
764 struct hfi_buffer_requirements bufreq;
765 int ret;
766
767 ret = venc_init_session(inst);
768 if (ret)
769 return ret;
770
771 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
772
773 *num = bufreq.count_actual;
774
775 hfi_session_deinit(inst);
776
777 return ret;
778 }
779
venc_queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])780 static int venc_queue_setup(struct vb2_queue *q,
781 unsigned int *num_buffers, unsigned int *num_planes,
782 unsigned int sizes[], struct device *alloc_devs[])
783 {
784 struct venus_inst *inst = vb2_get_drv_priv(q);
785 unsigned int num, min = 4;
786 int ret = 0;
787
788 if (*num_planes) {
789 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
790 *num_planes != inst->fmt_out->num_planes)
791 return -EINVAL;
792
793 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
794 *num_planes != inst->fmt_cap->num_planes)
795 return -EINVAL;
796
797 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
798 sizes[0] < inst->input_buf_size)
799 return -EINVAL;
800
801 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
802 sizes[0] < inst->output_buf_size)
803 return -EINVAL;
804
805 return 0;
806 }
807
808 switch (q->type) {
809 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
810 *num_planes = inst->fmt_out->num_planes;
811
812 ret = venc_out_num_buffers(inst, &num);
813 if (ret)
814 break;
815
816 num = max(num, min);
817 *num_buffers = max(*num_buffers, num);
818 inst->num_input_bufs = *num_buffers;
819
820 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
821 inst->width,
822 inst->height);
823 inst->input_buf_size = sizes[0];
824 break;
825 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
826 *num_planes = inst->fmt_cap->num_planes;
827 *num_buffers = max(*num_buffers, min);
828 inst->num_output_bufs = *num_buffers;
829 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
830 inst->width,
831 inst->height);
832 sizes[0] = max(sizes[0], inst->output_buf_size);
833 inst->output_buf_size = sizes[0];
834 break;
835 default:
836 ret = -EINVAL;
837 break;
838 }
839
840 return ret;
841 }
842
venc_verify_conf(struct venus_inst * inst)843 static int venc_verify_conf(struct venus_inst *inst)
844 {
845 enum hfi_version ver = inst->core->res->hfi_version;
846 struct hfi_buffer_requirements bufreq;
847 int ret;
848
849 if (!inst->num_input_bufs || !inst->num_output_bufs)
850 return -EINVAL;
851
852 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
853 if (ret)
854 return ret;
855
856 if (inst->num_output_bufs < bufreq.count_actual ||
857 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
858 return -EINVAL;
859
860 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
861 if (ret)
862 return ret;
863
864 if (inst->num_input_bufs < bufreq.count_actual ||
865 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
866 return -EINVAL;
867
868 return 0;
869 }
870
venc_start_streaming(struct vb2_queue * q,unsigned int count)871 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
872 {
873 struct venus_inst *inst = vb2_get_drv_priv(q);
874 int ret;
875
876 mutex_lock(&inst->lock);
877
878 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
879 inst->streamon_out = 1;
880 else
881 inst->streamon_cap = 1;
882
883 if (!(inst->streamon_out & inst->streamon_cap)) {
884 mutex_unlock(&inst->lock);
885 return 0;
886 }
887
888 venus_helper_init_instance(inst);
889
890 inst->sequence_cap = 0;
891 inst->sequence_out = 0;
892
893 ret = venc_init_session(inst);
894 if (ret)
895 goto bufs_done;
896
897 ret = venus_pm_acquire_core(inst);
898 if (ret)
899 goto deinit_sess;
900
901 ret = venc_set_properties(inst);
902 if (ret)
903 goto deinit_sess;
904
905 ret = venc_verify_conf(inst);
906 if (ret)
907 goto deinit_sess;
908
909 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
910 inst->num_output_bufs, 0);
911 if (ret)
912 goto deinit_sess;
913
914 ret = venus_helper_vb2_start_streaming(inst);
915 if (ret)
916 goto deinit_sess;
917
918 mutex_unlock(&inst->lock);
919
920 return 0;
921
922 deinit_sess:
923 hfi_session_deinit(inst);
924 bufs_done:
925 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
926 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
927 inst->streamon_out = 0;
928 else
929 inst->streamon_cap = 0;
930 mutex_unlock(&inst->lock);
931 return ret;
932 }
933
934 static const struct vb2_ops venc_vb2_ops = {
935 .queue_setup = venc_queue_setup,
936 .buf_init = venus_helper_vb2_buf_init,
937 .buf_prepare = venus_helper_vb2_buf_prepare,
938 .start_streaming = venc_start_streaming,
939 .stop_streaming = venus_helper_vb2_stop_streaming,
940 .buf_queue = venus_helper_vb2_buf_queue,
941 };
942
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)943 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
944 u32 tag, u32 bytesused, u32 data_offset, u32 flags,
945 u32 hfi_flags, u64 timestamp_us)
946 {
947 struct vb2_v4l2_buffer *vbuf;
948 struct vb2_buffer *vb;
949 unsigned int type;
950
951 if (buf_type == HFI_BUFFER_INPUT)
952 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
953 else
954 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
955
956 vbuf = venus_helper_find_buf(inst, type, tag);
957 if (!vbuf)
958 return;
959
960 vbuf->flags = flags;
961
962 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
963 vb = &vbuf->vb2_buf;
964 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
965 vb->planes[0].data_offset = data_offset;
966 vb->timestamp = timestamp_us * NSEC_PER_USEC;
967 vbuf->sequence = inst->sequence_cap++;
968 } else {
969 vbuf->sequence = inst->sequence_out++;
970 }
971
972 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
973 }
974
venc_event_notify(struct venus_inst * inst,u32 event,struct hfi_event_data * data)975 static void venc_event_notify(struct venus_inst *inst, u32 event,
976 struct hfi_event_data *data)
977 {
978 struct device *dev = inst->core->dev_enc;
979
980 if (event == EVT_SESSION_ERROR) {
981 inst->session_error = true;
982 dev_err(dev, "enc: event session error %x\n", inst->error);
983 }
984 }
985
986 static const struct hfi_inst_ops venc_hfi_ops = {
987 .buf_done = venc_buf_done,
988 .event_notify = venc_event_notify,
989 };
990
991 static const struct v4l2_m2m_ops venc_m2m_ops = {
992 .device_run = venus_helper_m2m_device_run,
993 .job_abort = venus_helper_m2m_job_abort,
994 };
995
m2m_queue_init(void * priv,struct vb2_queue * src_vq,struct vb2_queue * dst_vq)996 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
997 struct vb2_queue *dst_vq)
998 {
999 struct venus_inst *inst = priv;
1000 int ret;
1001
1002 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1003 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1004 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1005 src_vq->ops = &venc_vb2_ops;
1006 src_vq->mem_ops = &vb2_dma_sg_memops;
1007 src_vq->drv_priv = inst;
1008 src_vq->buf_struct_size = sizeof(struct venus_buffer);
1009 src_vq->allow_zero_bytesused = 1;
1010 src_vq->min_buffers_needed = 1;
1011 src_vq->dev = inst->core->dev;
1012 if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1013 src_vq->bidirectional = 1;
1014 ret = vb2_queue_init(src_vq);
1015 if (ret)
1016 return ret;
1017
1018 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1019 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1020 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1021 dst_vq->ops = &venc_vb2_ops;
1022 dst_vq->mem_ops = &vb2_dma_sg_memops;
1023 dst_vq->drv_priv = inst;
1024 dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1025 dst_vq->allow_zero_bytesused = 1;
1026 dst_vq->min_buffers_needed = 1;
1027 dst_vq->dev = inst->core->dev;
1028 return vb2_queue_init(dst_vq);
1029 }
1030
venc_inst_init(struct venus_inst * inst)1031 static void venc_inst_init(struct venus_inst *inst)
1032 {
1033 inst->fmt_cap = &venc_formats[2];
1034 inst->fmt_out = &venc_formats[0];
1035 inst->width = 1280;
1036 inst->height = ALIGN(720, 32);
1037 inst->out_width = 1280;
1038 inst->out_height = 720;
1039 inst->fps = 15;
1040 inst->timeperframe.numerator = 1;
1041 inst->timeperframe.denominator = 15;
1042 inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1043 }
1044
venc_open(struct file * file)1045 static int venc_open(struct file *file)
1046 {
1047 struct venus_core *core = video_drvdata(file);
1048 struct venus_inst *inst;
1049 int ret;
1050
1051 inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1052 if (!inst)
1053 return -ENOMEM;
1054
1055 INIT_LIST_HEAD(&inst->dpbbufs);
1056 INIT_LIST_HEAD(&inst->registeredbufs);
1057 INIT_LIST_HEAD(&inst->internalbufs);
1058 INIT_LIST_HEAD(&inst->list);
1059 mutex_init(&inst->lock);
1060
1061 inst->core = core;
1062 inst->session_type = VIDC_SESSION_TYPE_ENC;
1063 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1064 inst->core_acquired = false;
1065
1066 venus_helper_init_instance(inst);
1067
1068 ret = pm_runtime_get_sync(core->dev_enc);
1069 if (ret < 0)
1070 goto err_put_sync;
1071
1072 ret = venc_ctrl_init(inst);
1073 if (ret)
1074 goto err_put_sync;
1075
1076 ret = hfi_session_create(inst, &venc_hfi_ops);
1077 if (ret)
1078 goto err_ctrl_deinit;
1079
1080 venc_inst_init(inst);
1081
1082 /*
1083 * create m2m device for every instance, the m2m context scheduling
1084 * is made by firmware side so we do not need to care about.
1085 */
1086 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1087 if (IS_ERR(inst->m2m_dev)) {
1088 ret = PTR_ERR(inst->m2m_dev);
1089 goto err_session_destroy;
1090 }
1091
1092 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1093 if (IS_ERR(inst->m2m_ctx)) {
1094 ret = PTR_ERR(inst->m2m_ctx);
1095 goto err_m2m_release;
1096 }
1097
1098 v4l2_fh_init(&inst->fh, core->vdev_enc);
1099
1100 inst->fh.ctrl_handler = &inst->ctrl_handler;
1101 v4l2_fh_add(&inst->fh);
1102 inst->fh.m2m_ctx = inst->m2m_ctx;
1103 file->private_data = &inst->fh;
1104
1105 return 0;
1106
1107 err_m2m_release:
1108 v4l2_m2m_release(inst->m2m_dev);
1109 err_session_destroy:
1110 hfi_session_destroy(inst);
1111 err_ctrl_deinit:
1112 venc_ctrl_deinit(inst);
1113 err_put_sync:
1114 pm_runtime_put_sync(core->dev_enc);
1115 kfree(inst);
1116 return ret;
1117 }
1118
venc_close(struct file * file)1119 static int venc_close(struct file *file)
1120 {
1121 struct venus_inst *inst = to_inst(file);
1122
1123 v4l2_m2m_ctx_release(inst->m2m_ctx);
1124 v4l2_m2m_release(inst->m2m_dev);
1125 venc_ctrl_deinit(inst);
1126 hfi_session_destroy(inst);
1127 mutex_destroy(&inst->lock);
1128 v4l2_fh_del(&inst->fh);
1129 v4l2_fh_exit(&inst->fh);
1130
1131 pm_runtime_put_sync(inst->core->dev_enc);
1132
1133 kfree(inst);
1134 return 0;
1135 }
1136
1137 static const struct v4l2_file_operations venc_fops = {
1138 .owner = THIS_MODULE,
1139 .open = venc_open,
1140 .release = venc_close,
1141 .unlocked_ioctl = video_ioctl2,
1142 .poll = v4l2_m2m_fop_poll,
1143 .mmap = v4l2_m2m_fop_mmap,
1144 };
1145
venc_probe(struct platform_device * pdev)1146 static int venc_probe(struct platform_device *pdev)
1147 {
1148 struct device *dev = &pdev->dev;
1149 struct video_device *vdev;
1150 struct venus_core *core;
1151 int ret;
1152
1153 if (!dev->parent)
1154 return -EPROBE_DEFER;
1155
1156 core = dev_get_drvdata(dev->parent);
1157 if (!core)
1158 return -EPROBE_DEFER;
1159
1160 platform_set_drvdata(pdev, core);
1161
1162 if (core->pm_ops->venc_get) {
1163 ret = core->pm_ops->venc_get(dev);
1164 if (ret)
1165 return ret;
1166 }
1167
1168 vdev = video_device_alloc();
1169 if (!vdev)
1170 return -ENOMEM;
1171
1172 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1173 vdev->release = video_device_release;
1174 vdev->fops = &venc_fops;
1175 vdev->ioctl_ops = &venc_ioctl_ops;
1176 vdev->vfl_dir = VFL_DIR_M2M;
1177 vdev->v4l2_dev = &core->v4l2_dev;
1178 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1179
1180 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1181 if (ret)
1182 goto err_vdev_release;
1183
1184 core->vdev_enc = vdev;
1185 core->dev_enc = dev;
1186
1187 video_set_drvdata(vdev, core);
1188 pm_runtime_enable(dev);
1189
1190 return 0;
1191
1192 err_vdev_release:
1193 video_device_release(vdev);
1194 return ret;
1195 }
1196
venc_remove(struct platform_device * pdev)1197 static int venc_remove(struct platform_device *pdev)
1198 {
1199 struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1200
1201 video_unregister_device(core->vdev_enc);
1202 pm_runtime_disable(core->dev_enc);
1203
1204 if (core->pm_ops->venc_put)
1205 core->pm_ops->venc_put(core->dev_enc);
1206
1207 return 0;
1208 }
1209
venc_runtime_suspend(struct device * dev)1210 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1211 {
1212 struct venus_core *core = dev_get_drvdata(dev);
1213 const struct venus_pm_ops *pm_ops = core->pm_ops;
1214 int ret = 0;
1215
1216 if (pm_ops->venc_power)
1217 ret = pm_ops->venc_power(dev, POWER_OFF);
1218
1219 return ret;
1220 }
1221
venc_runtime_resume(struct device * dev)1222 static __maybe_unused int venc_runtime_resume(struct device *dev)
1223 {
1224 struct venus_core *core = dev_get_drvdata(dev);
1225 const struct venus_pm_ops *pm_ops = core->pm_ops;
1226 int ret = 0;
1227
1228 if (pm_ops->venc_power)
1229 ret = pm_ops->venc_power(dev, POWER_ON);
1230
1231 return ret;
1232 }
1233
1234 static const struct dev_pm_ops venc_pm_ops = {
1235 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1236 pm_runtime_force_resume)
1237 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1238 };
1239
1240 static const struct of_device_id venc_dt_match[] = {
1241 { .compatible = "venus-encoder" },
1242 { }
1243 };
1244 MODULE_DEVICE_TABLE(of, venc_dt_match);
1245
1246 static struct platform_driver qcom_venus_enc_driver = {
1247 .probe = venc_probe,
1248 .remove = venc_remove,
1249 .driver = {
1250 .name = "qcom-venus-encoder",
1251 .of_match_table = venc_dt_match,
1252 .pm = &venc_pm_ops,
1253 },
1254 };
1255 module_platform_driver(qcom_venus_enc_driver);
1256
1257 MODULE_ALIAS("platform:qcom-venus-encoder");
1258 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1259 MODULE_LICENSE("GPL v2");
1260