xref: /linux/drivers/media/platform/qcom/venus/helpers.c (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
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/list.h>
7 #include <linux/mutex.h>
8 #include <linux/slab.h>
9 #include <linux/kernel.h>
10 #include <media/videobuf2-dma-sg.h>
11 #include <media/v4l2-mem2mem.h>
12 #include <asm/div64.h>
13 
14 #include "core.h"
15 #include "helpers.h"
16 #include "hfi_helper.h"
17 #include "pm_helpers.h"
18 
19 struct intbuf {
20 	struct list_head list;
21 	u32 type;
22 	size_t size;
23 	void *va;
24 	dma_addr_t da;
25 	unsigned long attrs;
26 };
27 
28 bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt)
29 {
30 	struct venus_core *core = inst->core;
31 	u32 session_type = inst->session_type;
32 	u32 codec;
33 
34 	switch (v4l2_pixfmt) {
35 	case V4L2_PIX_FMT_H264:
36 		codec = HFI_VIDEO_CODEC_H264;
37 		break;
38 	case V4L2_PIX_FMT_H263:
39 		codec = HFI_VIDEO_CODEC_H263;
40 		break;
41 	case V4L2_PIX_FMT_MPEG1:
42 		codec = HFI_VIDEO_CODEC_MPEG1;
43 		break;
44 	case V4L2_PIX_FMT_MPEG2:
45 		codec = HFI_VIDEO_CODEC_MPEG2;
46 		break;
47 	case V4L2_PIX_FMT_MPEG4:
48 		codec = HFI_VIDEO_CODEC_MPEG4;
49 		break;
50 	case V4L2_PIX_FMT_VC1_ANNEX_G:
51 	case V4L2_PIX_FMT_VC1_ANNEX_L:
52 		codec = HFI_VIDEO_CODEC_VC1;
53 		break;
54 	case V4L2_PIX_FMT_VP8:
55 		codec = HFI_VIDEO_CODEC_VP8;
56 		break;
57 	case V4L2_PIX_FMT_VP9:
58 		codec = HFI_VIDEO_CODEC_VP9;
59 		break;
60 	case V4L2_PIX_FMT_XVID:
61 		codec = HFI_VIDEO_CODEC_DIVX;
62 		break;
63 	case V4L2_PIX_FMT_HEVC:
64 		codec = HFI_VIDEO_CODEC_HEVC;
65 		break;
66 	default:
67 		return false;
68 	}
69 
70 	if (session_type == VIDC_SESSION_TYPE_ENC && core->enc_codecs & codec)
71 		return true;
72 
73 	if (session_type == VIDC_SESSION_TYPE_DEC && core->dec_codecs & codec)
74 		return true;
75 
76 	return false;
77 }
78 EXPORT_SYMBOL_GPL(venus_helper_check_codec);
79 
80 int venus_helper_queue_dpb_bufs(struct venus_inst *inst)
81 {
82 	struct intbuf *buf;
83 	int ret = 0;
84 
85 	list_for_each_entry(buf, &inst->dpbbufs, list) {
86 		struct hfi_frame_data fdata;
87 
88 		memset(&fdata, 0, sizeof(fdata));
89 		fdata.alloc_len = buf->size;
90 		fdata.device_addr = buf->da;
91 		fdata.buffer_type = buf->type;
92 
93 		ret = hfi_session_process_buf(inst, &fdata);
94 		if (ret)
95 			goto fail;
96 	}
97 
98 fail:
99 	return ret;
100 }
101 EXPORT_SYMBOL_GPL(venus_helper_queue_dpb_bufs);
102 
103 int venus_helper_free_dpb_bufs(struct venus_inst *inst)
104 {
105 	struct intbuf *buf, *n;
106 
107 	list_for_each_entry_safe(buf, n, &inst->dpbbufs, list) {
108 		list_del_init(&buf->list);
109 		dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,
110 			       buf->attrs);
111 		kfree(buf);
112 	}
113 
114 	INIT_LIST_HEAD(&inst->dpbbufs);
115 
116 	return 0;
117 }
118 EXPORT_SYMBOL_GPL(venus_helper_free_dpb_bufs);
119 
120 int venus_helper_alloc_dpb_bufs(struct venus_inst *inst)
121 {
122 	struct venus_core *core = inst->core;
123 	struct device *dev = core->dev;
124 	enum hfi_version ver = core->res->hfi_version;
125 	struct hfi_buffer_requirements bufreq;
126 	u32 buftype = inst->dpb_buftype;
127 	unsigned int dpb_size = 0;
128 	struct intbuf *buf;
129 	unsigned int i;
130 	u32 count;
131 	int ret;
132 
133 	/* no need to allocate dpb buffers */
134 	if (!inst->dpb_fmt)
135 		return 0;
136 
137 	if (inst->dpb_buftype == HFI_BUFFER_OUTPUT)
138 		dpb_size = inst->output_buf_size;
139 	else if (inst->dpb_buftype == HFI_BUFFER_OUTPUT2)
140 		dpb_size = inst->output2_buf_size;
141 
142 	if (!dpb_size)
143 		return 0;
144 
145 	ret = venus_helper_get_bufreq(inst, buftype, &bufreq);
146 	if (ret)
147 		return ret;
148 
149 	count = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
150 
151 	for (i = 0; i < count; i++) {
152 		buf = kzalloc(sizeof(*buf), GFP_KERNEL);
153 		if (!buf) {
154 			ret = -ENOMEM;
155 			goto fail;
156 		}
157 
158 		buf->type = buftype;
159 		buf->size = dpb_size;
160 		buf->attrs = DMA_ATTR_WRITE_COMBINE |
161 			     DMA_ATTR_NO_KERNEL_MAPPING;
162 		buf->va = dma_alloc_attrs(dev, buf->size, &buf->da, GFP_KERNEL,
163 					  buf->attrs);
164 		if (!buf->va) {
165 			kfree(buf);
166 			ret = -ENOMEM;
167 			goto fail;
168 		}
169 
170 		list_add_tail(&buf->list, &inst->dpbbufs);
171 	}
172 
173 	return 0;
174 
175 fail:
176 	venus_helper_free_dpb_bufs(inst);
177 	return ret;
178 }
179 EXPORT_SYMBOL_GPL(venus_helper_alloc_dpb_bufs);
180 
181 static int intbufs_set_buffer(struct venus_inst *inst, u32 type)
182 {
183 	struct venus_core *core = inst->core;
184 	struct device *dev = core->dev;
185 	struct hfi_buffer_requirements bufreq;
186 	struct hfi_buffer_desc bd;
187 	struct intbuf *buf;
188 	unsigned int i;
189 	int ret;
190 
191 	ret = venus_helper_get_bufreq(inst, type, &bufreq);
192 	if (ret)
193 		return 0;
194 
195 	if (!bufreq.size)
196 		return 0;
197 
198 	for (i = 0; i < bufreq.count_actual; i++) {
199 		buf = kzalloc(sizeof(*buf), GFP_KERNEL);
200 		if (!buf) {
201 			ret = -ENOMEM;
202 			goto fail;
203 		}
204 
205 		buf->type = bufreq.type;
206 		buf->size = bufreq.size;
207 		buf->attrs = DMA_ATTR_WRITE_COMBINE |
208 			     DMA_ATTR_NO_KERNEL_MAPPING;
209 		buf->va = dma_alloc_attrs(dev, buf->size, &buf->da, GFP_KERNEL,
210 					  buf->attrs);
211 		if (!buf->va) {
212 			ret = -ENOMEM;
213 			goto fail;
214 		}
215 
216 		memset(&bd, 0, sizeof(bd));
217 		bd.buffer_size = buf->size;
218 		bd.buffer_type = buf->type;
219 		bd.num_buffers = 1;
220 		bd.device_addr = buf->da;
221 
222 		ret = hfi_session_set_buffers(inst, &bd);
223 		if (ret) {
224 			dev_err(dev, "set session buffers failed\n");
225 			goto dma_free;
226 		}
227 
228 		list_add_tail(&buf->list, &inst->internalbufs);
229 	}
230 
231 	return 0;
232 
233 dma_free:
234 	dma_free_attrs(dev, buf->size, buf->va, buf->da, buf->attrs);
235 fail:
236 	kfree(buf);
237 	return ret;
238 }
239 
240 static int intbufs_unset_buffers(struct venus_inst *inst)
241 {
242 	struct hfi_buffer_desc bd = {0};
243 	struct intbuf *buf, *n;
244 	int ret = 0;
245 
246 	list_for_each_entry_safe(buf, n, &inst->internalbufs, list) {
247 		bd.buffer_size = buf->size;
248 		bd.buffer_type = buf->type;
249 		bd.num_buffers = 1;
250 		bd.device_addr = buf->da;
251 		bd.response_required = true;
252 
253 		ret = hfi_session_unset_buffers(inst, &bd);
254 
255 		list_del_init(&buf->list);
256 		dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,
257 			       buf->attrs);
258 		kfree(buf);
259 	}
260 
261 	return ret;
262 }
263 
264 static const unsigned int intbuf_types_1xx[] = {
265 	HFI_BUFFER_INTERNAL_SCRATCH(HFI_VERSION_1XX),
266 	HFI_BUFFER_INTERNAL_SCRATCH_1(HFI_VERSION_1XX),
267 	HFI_BUFFER_INTERNAL_SCRATCH_2(HFI_VERSION_1XX),
268 	HFI_BUFFER_INTERNAL_PERSIST,
269 	HFI_BUFFER_INTERNAL_PERSIST_1,
270 };
271 
272 static const unsigned int intbuf_types_4xx[] = {
273 	HFI_BUFFER_INTERNAL_SCRATCH(HFI_VERSION_4XX),
274 	HFI_BUFFER_INTERNAL_SCRATCH_1(HFI_VERSION_4XX),
275 	HFI_BUFFER_INTERNAL_SCRATCH_2(HFI_VERSION_4XX),
276 	HFI_BUFFER_INTERNAL_PERSIST,
277 	HFI_BUFFER_INTERNAL_PERSIST_1,
278 };
279 
280 int venus_helper_intbufs_alloc(struct venus_inst *inst)
281 {
282 	const unsigned int *intbuf;
283 	size_t arr_sz, i;
284 	int ret;
285 
286 	if (IS_V4(inst->core)) {
287 		arr_sz = ARRAY_SIZE(intbuf_types_4xx);
288 		intbuf = intbuf_types_4xx;
289 	} else {
290 		arr_sz = ARRAY_SIZE(intbuf_types_1xx);
291 		intbuf = intbuf_types_1xx;
292 	}
293 
294 	for (i = 0; i < arr_sz; i++) {
295 		ret = intbufs_set_buffer(inst, intbuf[i]);
296 		if (ret)
297 			goto error;
298 	}
299 
300 	return 0;
301 
302 error:
303 	intbufs_unset_buffers(inst);
304 	return ret;
305 }
306 EXPORT_SYMBOL_GPL(venus_helper_intbufs_alloc);
307 
308 int venus_helper_intbufs_free(struct venus_inst *inst)
309 {
310 	return intbufs_unset_buffers(inst);
311 }
312 EXPORT_SYMBOL_GPL(venus_helper_intbufs_free);
313 
314 int venus_helper_intbufs_realloc(struct venus_inst *inst)
315 {
316 	enum hfi_version ver = inst->core->res->hfi_version;
317 	struct hfi_buffer_desc bd;
318 	struct intbuf *buf, *n;
319 	int ret;
320 
321 	list_for_each_entry_safe(buf, n, &inst->internalbufs, list) {
322 		if (buf->type == HFI_BUFFER_INTERNAL_PERSIST ||
323 		    buf->type == HFI_BUFFER_INTERNAL_PERSIST_1)
324 			continue;
325 
326 		memset(&bd, 0, sizeof(bd));
327 		bd.buffer_size = buf->size;
328 		bd.buffer_type = buf->type;
329 		bd.num_buffers = 1;
330 		bd.device_addr = buf->da;
331 		bd.response_required = true;
332 
333 		ret = hfi_session_unset_buffers(inst, &bd);
334 
335 		dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,
336 			       buf->attrs);
337 
338 		list_del_init(&buf->list);
339 		kfree(buf);
340 	}
341 
342 	ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH(ver));
343 	if (ret)
344 		goto err;
345 
346 	ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH_1(ver));
347 	if (ret)
348 		goto err;
349 
350 	ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH_2(ver));
351 	if (ret)
352 		goto err;
353 
354 	return 0;
355 err:
356 	return ret;
357 }
358 EXPORT_SYMBOL_GPL(venus_helper_intbufs_realloc);
359 
360 static void fill_buffer_desc(const struct venus_buffer *buf,
361 			     struct hfi_buffer_desc *bd, bool response)
362 {
363 	memset(bd, 0, sizeof(*bd));
364 	bd->buffer_type = HFI_BUFFER_OUTPUT;
365 	bd->buffer_size = buf->size;
366 	bd->num_buffers = 1;
367 	bd->device_addr = buf->dma_addr;
368 	bd->response_required = response;
369 }
370 
371 static void return_buf_error(struct venus_inst *inst,
372 			     struct vb2_v4l2_buffer *vbuf)
373 {
374 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
375 
376 	if (vbuf->vb2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
377 		v4l2_m2m_src_buf_remove_by_buf(m2m_ctx, vbuf);
378 	else
379 		v4l2_m2m_dst_buf_remove_by_buf(m2m_ctx, vbuf);
380 
381 	v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
382 }
383 
384 static void
385 put_ts_metadata(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
386 {
387 	struct vb2_buffer *vb = &vbuf->vb2_buf;
388 	unsigned int i;
389 	int slot = -1;
390 	u64 ts_us = vb->timestamp;
391 
392 	for (i = 0; i < ARRAY_SIZE(inst->tss); i++) {
393 		if (!inst->tss[i].used) {
394 			slot = i;
395 			break;
396 		}
397 	}
398 
399 	if (slot == -1) {
400 		dev_dbg(inst->core->dev, VDBGL "no free slot\n");
401 		return;
402 	}
403 
404 	do_div(ts_us, NSEC_PER_USEC);
405 
406 	inst->tss[slot].used = true;
407 	inst->tss[slot].flags = vbuf->flags;
408 	inst->tss[slot].tc = vbuf->timecode;
409 	inst->tss[slot].ts_us = ts_us;
410 	inst->tss[slot].ts_ns = vb->timestamp;
411 }
412 
413 void venus_helper_get_ts_metadata(struct venus_inst *inst, u64 timestamp_us,
414 				  struct vb2_v4l2_buffer *vbuf)
415 {
416 	struct vb2_buffer *vb = &vbuf->vb2_buf;
417 	unsigned int i;
418 
419 	for (i = 0; i < ARRAY_SIZE(inst->tss); ++i) {
420 		if (!inst->tss[i].used)
421 			continue;
422 
423 		if (inst->tss[i].ts_us != timestamp_us)
424 			continue;
425 
426 		inst->tss[i].used = false;
427 		vbuf->flags |= inst->tss[i].flags;
428 		vbuf->timecode = inst->tss[i].tc;
429 		vb->timestamp = inst->tss[i].ts_ns;
430 		break;
431 	}
432 }
433 EXPORT_SYMBOL_GPL(venus_helper_get_ts_metadata);
434 
435 static int
436 session_process_buf(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
437 {
438 	struct venus_buffer *buf = to_venus_buffer(vbuf);
439 	struct vb2_buffer *vb = &vbuf->vb2_buf;
440 	unsigned int type = vb->type;
441 	struct hfi_frame_data fdata;
442 	int ret;
443 
444 	memset(&fdata, 0, sizeof(fdata));
445 	fdata.alloc_len = buf->size;
446 	fdata.device_addr = buf->dma_addr;
447 	fdata.timestamp = vb->timestamp;
448 	do_div(fdata.timestamp, NSEC_PER_USEC);
449 	fdata.flags = 0;
450 	fdata.clnt_data = vbuf->vb2_buf.index;
451 
452 	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
453 		fdata.buffer_type = HFI_BUFFER_INPUT;
454 		fdata.filled_len = vb2_get_plane_payload(vb, 0);
455 		fdata.offset = vb->planes[0].data_offset;
456 
457 		if (vbuf->flags & V4L2_BUF_FLAG_LAST || !fdata.filled_len)
458 			fdata.flags |= HFI_BUFFERFLAG_EOS;
459 
460 		if (inst->session_type == VIDC_SESSION_TYPE_DEC)
461 			put_ts_metadata(inst, vbuf);
462 
463 		venus_pm_load_scale(inst);
464 	} else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
465 		if (inst->session_type == VIDC_SESSION_TYPE_ENC)
466 			fdata.buffer_type = HFI_BUFFER_OUTPUT;
467 		else
468 			fdata.buffer_type = inst->opb_buftype;
469 		fdata.filled_len = 0;
470 		fdata.offset = 0;
471 	}
472 
473 	ret = hfi_session_process_buf(inst, &fdata);
474 	if (ret)
475 		return ret;
476 
477 	return 0;
478 }
479 
480 static bool is_dynamic_bufmode(struct venus_inst *inst)
481 {
482 	struct venus_core *core = inst->core;
483 	struct venus_caps *caps;
484 
485 	/*
486 	 * v4 doesn't send BUFFER_ALLOC_MODE_SUPPORTED property and supports
487 	 * dynamic buffer mode by default for HFI_BUFFER_OUTPUT/OUTPUT2.
488 	 */
489 	if (IS_V4(core))
490 		return true;
491 
492 	caps = venus_caps_by_codec(core, inst->hfi_codec, inst->session_type);
493 	if (!caps)
494 		return false;
495 
496 	return caps->cap_bufs_mode_dynamic;
497 }
498 
499 int venus_helper_unregister_bufs(struct venus_inst *inst)
500 {
501 	struct venus_buffer *buf, *n;
502 	struct hfi_buffer_desc bd;
503 	int ret = 0;
504 
505 	if (is_dynamic_bufmode(inst))
506 		return 0;
507 
508 	list_for_each_entry_safe(buf, n, &inst->registeredbufs, reg_list) {
509 		fill_buffer_desc(buf, &bd, true);
510 		ret = hfi_session_unset_buffers(inst, &bd);
511 		list_del_init(&buf->reg_list);
512 	}
513 
514 	return ret;
515 }
516 EXPORT_SYMBOL_GPL(venus_helper_unregister_bufs);
517 
518 static int session_register_bufs(struct venus_inst *inst)
519 {
520 	struct venus_core *core = inst->core;
521 	struct device *dev = core->dev;
522 	struct hfi_buffer_desc bd;
523 	struct venus_buffer *buf;
524 	int ret = 0;
525 
526 	if (is_dynamic_bufmode(inst))
527 		return 0;
528 
529 	list_for_each_entry(buf, &inst->registeredbufs, reg_list) {
530 		fill_buffer_desc(buf, &bd, false);
531 		ret = hfi_session_set_buffers(inst, &bd);
532 		if (ret) {
533 			dev_err(dev, "%s: set buffer failed\n", __func__);
534 			break;
535 		}
536 	}
537 
538 	return ret;
539 }
540 
541 static u32 to_hfi_raw_fmt(u32 v4l2_fmt)
542 {
543 	switch (v4l2_fmt) {
544 	case V4L2_PIX_FMT_NV12:
545 		return HFI_COLOR_FORMAT_NV12;
546 	case V4L2_PIX_FMT_NV21:
547 		return HFI_COLOR_FORMAT_NV21;
548 	default:
549 		break;
550 	}
551 
552 	return 0;
553 }
554 
555 int venus_helper_get_bufreq(struct venus_inst *inst, u32 type,
556 			    struct hfi_buffer_requirements *req)
557 {
558 	u32 ptype = HFI_PROPERTY_CONFIG_BUFFER_REQUIREMENTS;
559 	union hfi_get_property hprop;
560 	unsigned int i;
561 	int ret;
562 
563 	if (req)
564 		memset(req, 0, sizeof(*req));
565 
566 	ret = hfi_session_get_property(inst, ptype, &hprop);
567 	if (ret)
568 		return ret;
569 
570 	ret = -EINVAL;
571 
572 	for (i = 0; i < HFI_BUFFER_TYPE_MAX; i++) {
573 		if (hprop.bufreq[i].type != type)
574 			continue;
575 
576 		if (req)
577 			memcpy(req, &hprop.bufreq[i], sizeof(*req));
578 		ret = 0;
579 		break;
580 	}
581 
582 	return ret;
583 }
584 EXPORT_SYMBOL_GPL(venus_helper_get_bufreq);
585 
586 struct id_mapping {
587 	u32 hfi_id;
588 	u32 v4l2_id;
589 };
590 
591 static const struct id_mapping mpeg4_profiles[] = {
592 	{ HFI_MPEG4_PROFILE_SIMPLE, V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE },
593 	{ HFI_MPEG4_PROFILE_ADVANCEDSIMPLE, V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE },
594 };
595 
596 static const struct id_mapping mpeg4_levels[] = {
597 	{ HFI_MPEG4_LEVEL_0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0 },
598 	{ HFI_MPEG4_LEVEL_0b, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B },
599 	{ HFI_MPEG4_LEVEL_1, V4L2_MPEG_VIDEO_MPEG4_LEVEL_1 },
600 	{ HFI_MPEG4_LEVEL_2, V4L2_MPEG_VIDEO_MPEG4_LEVEL_2 },
601 	{ HFI_MPEG4_LEVEL_3, V4L2_MPEG_VIDEO_MPEG4_LEVEL_3 },
602 	{ HFI_MPEG4_LEVEL_4, V4L2_MPEG_VIDEO_MPEG4_LEVEL_4 },
603 	{ HFI_MPEG4_LEVEL_5, V4L2_MPEG_VIDEO_MPEG4_LEVEL_5 },
604 };
605 
606 static const struct id_mapping mpeg2_profiles[] = {
607 	{ HFI_MPEG2_PROFILE_SIMPLE, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SIMPLE },
608 	{ HFI_MPEG2_PROFILE_MAIN, V4L2_MPEG_VIDEO_MPEG2_PROFILE_MAIN },
609 	{ HFI_MPEG2_PROFILE_SNR, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SNR_SCALABLE },
610 	{ HFI_MPEG2_PROFILE_SPATIAL, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SPATIALLY_SCALABLE },
611 	{ HFI_MPEG2_PROFILE_HIGH, V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH },
612 };
613 
614 static const struct id_mapping mpeg2_levels[] = {
615 	{ HFI_MPEG2_LEVEL_LL, V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW },
616 	{ HFI_MPEG2_LEVEL_ML, V4L2_MPEG_VIDEO_MPEG2_LEVEL_MAIN },
617 	{ HFI_MPEG2_LEVEL_H14, V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH_1440 },
618 	{ HFI_MPEG2_LEVEL_HL, V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH },
619 };
620 
621 static const struct id_mapping h264_profiles[] = {
622 	{ HFI_H264_PROFILE_BASELINE, V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE },
623 	{ HFI_H264_PROFILE_MAIN, V4L2_MPEG_VIDEO_H264_PROFILE_MAIN },
624 	{ HFI_H264_PROFILE_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH },
625 	{ HFI_H264_PROFILE_STEREO_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH },
626 	{ HFI_H264_PROFILE_MULTIVIEW_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH },
627 	{ HFI_H264_PROFILE_CONSTRAINED_BASE, V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE },
628 	{ HFI_H264_PROFILE_CONSTRAINED_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH },
629 };
630 
631 static const struct id_mapping h264_levels[] = {
632 	{ HFI_H264_LEVEL_1, V4L2_MPEG_VIDEO_H264_LEVEL_1_0 },
633 	{ HFI_H264_LEVEL_1b, V4L2_MPEG_VIDEO_H264_LEVEL_1B },
634 	{ HFI_H264_LEVEL_11, V4L2_MPEG_VIDEO_H264_LEVEL_1_1 },
635 	{ HFI_H264_LEVEL_12, V4L2_MPEG_VIDEO_H264_LEVEL_1_2 },
636 	{ HFI_H264_LEVEL_13, V4L2_MPEG_VIDEO_H264_LEVEL_1_3 },
637 	{ HFI_H264_LEVEL_2, V4L2_MPEG_VIDEO_H264_LEVEL_2_0 },
638 	{ HFI_H264_LEVEL_21, V4L2_MPEG_VIDEO_H264_LEVEL_2_1 },
639 	{ HFI_H264_LEVEL_22, V4L2_MPEG_VIDEO_H264_LEVEL_2_2 },
640 	{ HFI_H264_LEVEL_3, V4L2_MPEG_VIDEO_H264_LEVEL_3_0 },
641 	{ HFI_H264_LEVEL_31, V4L2_MPEG_VIDEO_H264_LEVEL_3_1 },
642 	{ HFI_H264_LEVEL_32, V4L2_MPEG_VIDEO_H264_LEVEL_3_2 },
643 	{ HFI_H264_LEVEL_4, V4L2_MPEG_VIDEO_H264_LEVEL_4_0 },
644 	{ HFI_H264_LEVEL_41, V4L2_MPEG_VIDEO_H264_LEVEL_4_1 },
645 	{ HFI_H264_LEVEL_42, V4L2_MPEG_VIDEO_H264_LEVEL_4_2 },
646 	{ HFI_H264_LEVEL_5, V4L2_MPEG_VIDEO_H264_LEVEL_5_0 },
647 	{ HFI_H264_LEVEL_51, V4L2_MPEG_VIDEO_H264_LEVEL_5_1 },
648 	{ HFI_H264_LEVEL_52, V4L2_MPEG_VIDEO_H264_LEVEL_5_1 },
649 };
650 
651 static const struct id_mapping hevc_profiles[] = {
652 	{ HFI_HEVC_PROFILE_MAIN, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN },
653 	{ HFI_HEVC_PROFILE_MAIN_STILL_PIC, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE },
654 	{ HFI_HEVC_PROFILE_MAIN10, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10 },
655 };
656 
657 static const struct id_mapping hevc_levels[] = {
658 	{ HFI_HEVC_LEVEL_1, V4L2_MPEG_VIDEO_HEVC_LEVEL_1 },
659 	{ HFI_HEVC_LEVEL_2, V4L2_MPEG_VIDEO_HEVC_LEVEL_2 },
660 	{ HFI_HEVC_LEVEL_21, V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1 },
661 	{ HFI_HEVC_LEVEL_3, V4L2_MPEG_VIDEO_HEVC_LEVEL_3 },
662 	{ HFI_HEVC_LEVEL_31, V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1 },
663 	{ HFI_HEVC_LEVEL_4, V4L2_MPEG_VIDEO_HEVC_LEVEL_4 },
664 	{ HFI_HEVC_LEVEL_41, V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1 },
665 	{ HFI_HEVC_LEVEL_5, V4L2_MPEG_VIDEO_HEVC_LEVEL_5 },
666 	{ HFI_HEVC_LEVEL_51, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1 },
667 	{ HFI_HEVC_LEVEL_52, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2 },
668 	{ HFI_HEVC_LEVEL_6, V4L2_MPEG_VIDEO_HEVC_LEVEL_6 },
669 	{ HFI_HEVC_LEVEL_61, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1 },
670 	{ HFI_HEVC_LEVEL_62, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2 },
671 };
672 
673 static const struct id_mapping vp8_profiles[] = {
674 	{ HFI_VPX_PROFILE_VERSION_0, V4L2_MPEG_VIDEO_VP8_PROFILE_0 },
675 	{ HFI_VPX_PROFILE_VERSION_1, V4L2_MPEG_VIDEO_VP8_PROFILE_1 },
676 	{ HFI_VPX_PROFILE_VERSION_2, V4L2_MPEG_VIDEO_VP8_PROFILE_2 },
677 	{ HFI_VPX_PROFILE_VERSION_3, V4L2_MPEG_VIDEO_VP8_PROFILE_3 },
678 };
679 
680 static const struct id_mapping vp9_profiles[] = {
681 	{ HFI_VP9_PROFILE_P0, V4L2_MPEG_VIDEO_VP9_PROFILE_0 },
682 	{ HFI_VP9_PROFILE_P2_10B, V4L2_MPEG_VIDEO_VP9_PROFILE_2 },
683 };
684 
685 static const struct id_mapping vp9_levels[] = {
686 	{ HFI_VP9_LEVEL_1, V4L2_MPEG_VIDEO_VP9_LEVEL_1_0 },
687 	{ HFI_VP9_LEVEL_11, V4L2_MPEG_VIDEO_VP9_LEVEL_1_1 },
688 	{ HFI_VP9_LEVEL_2, V4L2_MPEG_VIDEO_VP9_LEVEL_2_0},
689 	{ HFI_VP9_LEVEL_21, V4L2_MPEG_VIDEO_VP9_LEVEL_2_1 },
690 	{ HFI_VP9_LEVEL_3, V4L2_MPEG_VIDEO_VP9_LEVEL_3_0},
691 	{ HFI_VP9_LEVEL_31, V4L2_MPEG_VIDEO_VP9_LEVEL_3_1 },
692 	{ HFI_VP9_LEVEL_4, V4L2_MPEG_VIDEO_VP9_LEVEL_4_0 },
693 	{ HFI_VP9_LEVEL_41, V4L2_MPEG_VIDEO_VP9_LEVEL_4_1 },
694 	{ HFI_VP9_LEVEL_5, V4L2_MPEG_VIDEO_VP9_LEVEL_5_0 },
695 	{ HFI_VP9_LEVEL_51, V4L2_MPEG_VIDEO_VP9_LEVEL_5_1 },
696 	{ HFI_VP9_LEVEL_6, V4L2_MPEG_VIDEO_VP9_LEVEL_6_0 },
697 	{ HFI_VP9_LEVEL_61, V4L2_MPEG_VIDEO_VP9_LEVEL_6_1 },
698 };
699 
700 static u32 find_v4l2_id(u32 hfi_id, const struct id_mapping *array, unsigned int array_sz)
701 {
702 	unsigned int i;
703 
704 	if (!array || !array_sz)
705 		return 0;
706 
707 	for (i = 0; i < array_sz; i++)
708 		if (hfi_id == array[i].hfi_id)
709 			return array[i].v4l2_id;
710 
711 	return 0;
712 }
713 
714 static u32 find_hfi_id(u32 v4l2_id, const struct id_mapping *array, unsigned int array_sz)
715 {
716 	unsigned int i;
717 
718 	if (!array || !array_sz)
719 		return 0;
720 
721 	for (i = 0; i < array_sz; i++)
722 		if (v4l2_id == array[i].v4l2_id)
723 			return array[i].hfi_id;
724 
725 	return 0;
726 }
727 
728 static void
729 v4l2_id_profile_level(u32 hfi_codec, struct hfi_profile_level *pl, u32 *profile, u32 *level)
730 {
731 	u32 hfi_pf = pl->profile;
732 	u32 hfi_lvl = pl->level;
733 
734 	switch (hfi_codec) {
735 	case HFI_VIDEO_CODEC_H264:
736 		*profile = find_v4l2_id(hfi_pf, h264_profiles, ARRAY_SIZE(h264_profiles));
737 		*level = find_v4l2_id(hfi_lvl, h264_levels, ARRAY_SIZE(h264_levels));
738 		break;
739 	case HFI_VIDEO_CODEC_MPEG2:
740 		*profile = find_v4l2_id(hfi_pf, mpeg2_profiles, ARRAY_SIZE(mpeg2_profiles));
741 		*level = find_v4l2_id(hfi_lvl, mpeg2_levels, ARRAY_SIZE(mpeg2_levels));
742 		break;
743 	case HFI_VIDEO_CODEC_MPEG4:
744 		*profile = find_v4l2_id(hfi_pf, mpeg4_profiles, ARRAY_SIZE(mpeg4_profiles));
745 		*level = find_v4l2_id(hfi_lvl, mpeg4_levels, ARRAY_SIZE(mpeg4_levels));
746 		break;
747 	case HFI_VIDEO_CODEC_VP8:
748 		*profile = find_v4l2_id(hfi_pf, vp8_profiles, ARRAY_SIZE(vp8_profiles));
749 		*level = 0;
750 		break;
751 	case HFI_VIDEO_CODEC_VP9:
752 		*profile = find_v4l2_id(hfi_pf, vp9_profiles, ARRAY_SIZE(vp9_profiles));
753 		*level = find_v4l2_id(hfi_lvl, vp9_levels, ARRAY_SIZE(vp9_levels));
754 		break;
755 	case HFI_VIDEO_CODEC_HEVC:
756 		*profile = find_v4l2_id(hfi_pf, hevc_profiles, ARRAY_SIZE(hevc_profiles));
757 		*level = find_v4l2_id(hfi_lvl, hevc_levels, ARRAY_SIZE(hevc_levels));
758 		break;
759 	default:
760 		break;
761 	}
762 }
763 
764 static void
765 hfi_id_profile_level(u32 hfi_codec, u32 v4l2_pf, u32 v4l2_lvl, struct hfi_profile_level *pl)
766 {
767 	switch (hfi_codec) {
768 	case HFI_VIDEO_CODEC_H264:
769 		pl->profile = find_hfi_id(v4l2_pf, h264_profiles, ARRAY_SIZE(h264_profiles));
770 		pl->level = find_hfi_id(v4l2_lvl, h264_levels, ARRAY_SIZE(h264_levels));
771 		break;
772 	case HFI_VIDEO_CODEC_MPEG2:
773 		pl->profile = find_hfi_id(v4l2_pf, mpeg2_profiles, ARRAY_SIZE(mpeg2_profiles));
774 		pl->level = find_hfi_id(v4l2_lvl, mpeg2_levels, ARRAY_SIZE(mpeg2_levels));
775 		break;
776 	case HFI_VIDEO_CODEC_MPEG4:
777 		pl->profile = find_hfi_id(v4l2_pf, mpeg4_profiles, ARRAY_SIZE(mpeg4_profiles));
778 		pl->level = find_hfi_id(v4l2_lvl, mpeg4_levels, ARRAY_SIZE(mpeg4_levels));
779 		break;
780 	case HFI_VIDEO_CODEC_VP8:
781 		pl->profile = find_hfi_id(v4l2_pf, vp8_profiles, ARRAY_SIZE(vp8_profiles));
782 		pl->level = 0;
783 		break;
784 	case HFI_VIDEO_CODEC_VP9:
785 		pl->profile = find_hfi_id(v4l2_pf, vp9_profiles, ARRAY_SIZE(vp9_profiles));
786 		pl->level = find_hfi_id(v4l2_lvl, vp9_levels, ARRAY_SIZE(vp9_levels));
787 		break;
788 	case HFI_VIDEO_CODEC_HEVC:
789 		pl->profile = find_hfi_id(v4l2_pf, hevc_profiles, ARRAY_SIZE(hevc_profiles));
790 		pl->level = find_hfi_id(v4l2_lvl, hevc_levels, ARRAY_SIZE(hevc_levels));
791 		break;
792 	default:
793 		break;
794 	}
795 }
796 
797 int venus_helper_get_profile_level(struct venus_inst *inst, u32 *profile, u32 *level)
798 {
799 	const u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
800 	union hfi_get_property hprop;
801 	int ret;
802 
803 	ret = hfi_session_get_property(inst, ptype, &hprop);
804 	if (ret)
805 		return ret;
806 
807 	v4l2_id_profile_level(inst->hfi_codec, &hprop.profile_level, profile, level);
808 
809 	return 0;
810 }
811 EXPORT_SYMBOL_GPL(venus_helper_get_profile_level);
812 
813 int venus_helper_set_profile_level(struct venus_inst *inst, u32 profile, u32 level)
814 {
815 	const u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
816 	struct hfi_profile_level pl;
817 
818 	hfi_id_profile_level(inst->hfi_codec, profile, level, &pl);
819 
820 	return hfi_session_set_property(inst, ptype, &pl);
821 }
822 EXPORT_SYMBOL_GPL(venus_helper_set_profile_level);
823 
824 static u32 get_framesize_raw_nv12(u32 width, u32 height)
825 {
826 	u32 y_stride, uv_stride, y_plane;
827 	u32 y_sclines, uv_sclines, uv_plane;
828 	u32 size;
829 
830 	y_stride = ALIGN(width, 128);
831 	uv_stride = ALIGN(width, 128);
832 	y_sclines = ALIGN(height, 32);
833 	uv_sclines = ALIGN(((height + 1) >> 1), 16);
834 
835 	y_plane = y_stride * y_sclines;
836 	uv_plane = uv_stride * uv_sclines + SZ_4K;
837 	size = y_plane + uv_plane + SZ_8K;
838 
839 	return ALIGN(size, SZ_4K);
840 }
841 
842 static u32 get_framesize_raw_nv12_ubwc(u32 width, u32 height)
843 {
844 	u32 y_meta_stride, y_meta_plane;
845 	u32 y_stride, y_plane;
846 	u32 uv_meta_stride, uv_meta_plane;
847 	u32 uv_stride, uv_plane;
848 	u32 extradata = SZ_16K;
849 
850 	y_meta_stride = ALIGN(DIV_ROUND_UP(width, 32), 64);
851 	y_meta_plane = y_meta_stride * ALIGN(DIV_ROUND_UP(height, 8), 16);
852 	y_meta_plane = ALIGN(y_meta_plane, SZ_4K);
853 
854 	y_stride = ALIGN(width, 128);
855 	y_plane = ALIGN(y_stride * ALIGN(height, 32), SZ_4K);
856 
857 	uv_meta_stride = ALIGN(DIV_ROUND_UP(width / 2, 16), 64);
858 	uv_meta_plane = uv_meta_stride * ALIGN(DIV_ROUND_UP(height / 2, 8), 16);
859 	uv_meta_plane = ALIGN(uv_meta_plane, SZ_4K);
860 
861 	uv_stride = ALIGN(width, 128);
862 	uv_plane = ALIGN(uv_stride * ALIGN(height / 2, 32), SZ_4K);
863 
864 	return ALIGN(y_meta_plane + y_plane + uv_meta_plane + uv_plane +
865 		     max(extradata, y_stride * 48), SZ_4K);
866 }
867 
868 static u32 get_framesize_raw_p010(u32 width, u32 height)
869 {
870 	u32 y_plane, uv_plane, y_stride, uv_stride, y_sclines, uv_sclines;
871 
872 	y_stride = ALIGN(width * 2, 256);
873 	uv_stride = ALIGN(width * 2, 256);
874 	y_sclines = ALIGN(height, 32);
875 	uv_sclines = ALIGN((height + 1) >> 1, 16);
876 	y_plane = y_stride * y_sclines;
877 	uv_plane = uv_stride * uv_sclines;
878 
879 	return ALIGN((y_plane + uv_plane), SZ_4K);
880 }
881 
882 static u32 get_framesize_raw_p010_ubwc(u32 width, u32 height)
883 {
884 	u32 y_stride, uv_stride, y_sclines, uv_sclines;
885 	u32 y_ubwc_plane, uv_ubwc_plane;
886 	u32 y_meta_stride, y_meta_scanlines;
887 	u32 uv_meta_stride, uv_meta_scanlines;
888 	u32 y_meta_plane, uv_meta_plane;
889 	u32 size;
890 
891 	y_stride = ALIGN(width * 2, 256);
892 	uv_stride = ALIGN(width * 2, 256);
893 	y_sclines = ALIGN(height, 16);
894 	uv_sclines = ALIGN((height + 1) >> 1, 16);
895 
896 	y_ubwc_plane = ALIGN(y_stride * y_sclines, SZ_4K);
897 	uv_ubwc_plane = ALIGN(uv_stride * uv_sclines, SZ_4K);
898 	y_meta_stride = ALIGN(DIV_ROUND_UP(width, 32), 64);
899 	y_meta_scanlines = ALIGN(DIV_ROUND_UP(height, 4), 16);
900 	y_meta_plane = ALIGN(y_meta_stride * y_meta_scanlines, SZ_4K);
901 	uv_meta_stride = ALIGN(DIV_ROUND_UP((width + 1) >> 1, 16), 64);
902 	uv_meta_scanlines = ALIGN(DIV_ROUND_UP((height + 1) >> 1, 4), 16);
903 	uv_meta_plane = ALIGN(uv_meta_stride * uv_meta_scanlines, SZ_4K);
904 
905 	size = y_ubwc_plane + uv_ubwc_plane + y_meta_plane + uv_meta_plane;
906 
907 	return ALIGN(size, SZ_4K);
908 }
909 
910 static u32 get_framesize_raw_yuv420_tp10_ubwc(u32 width, u32 height)
911 {
912 	u32 y_stride, uv_stride, y_sclines, uv_sclines;
913 	u32 y_ubwc_plane, uv_ubwc_plane;
914 	u32 y_meta_stride, y_meta_scanlines;
915 	u32 uv_meta_stride, uv_meta_scanlines;
916 	u32 y_meta_plane, uv_meta_plane;
917 	u32 extradata = SZ_16K;
918 	u32 size;
919 
920 	y_stride = ALIGN(ALIGN(width, 192) * 4 / 3, 256);
921 	uv_stride = ALIGN(ALIGN(width, 192) * 4 / 3, 256);
922 	y_sclines = ALIGN(height, 16);
923 	uv_sclines = ALIGN((height + 1) >> 1, 16);
924 
925 	y_ubwc_plane = ALIGN(y_stride * y_sclines, SZ_4K);
926 	uv_ubwc_plane = ALIGN(uv_stride * uv_sclines, SZ_4K);
927 	y_meta_stride = ALIGN(DIV_ROUND_UP(width, 48), 64);
928 	y_meta_scanlines = ALIGN(DIV_ROUND_UP(height, 4), 16);
929 	y_meta_plane = ALIGN(y_meta_stride * y_meta_scanlines, SZ_4K);
930 	uv_meta_stride = ALIGN(DIV_ROUND_UP((width + 1) >> 1, 24), 64);
931 	uv_meta_scanlines = ALIGN(DIV_ROUND_UP((height + 1) >> 1, 4), 16);
932 	uv_meta_plane = ALIGN(uv_meta_stride * uv_meta_scanlines, SZ_4K);
933 
934 	size = y_ubwc_plane + uv_ubwc_plane + y_meta_plane + uv_meta_plane;
935 	size += max(extradata + SZ_8K, y_stride * 48);
936 
937 	return ALIGN(size, SZ_4K);
938 }
939 
940 u32 venus_helper_get_framesz_raw(u32 hfi_fmt, u32 width, u32 height)
941 {
942 	switch (hfi_fmt) {
943 	case HFI_COLOR_FORMAT_NV12:
944 	case HFI_COLOR_FORMAT_NV21:
945 		return get_framesize_raw_nv12(width, height);
946 	case HFI_COLOR_FORMAT_NV12_UBWC:
947 		return get_framesize_raw_nv12_ubwc(width, height);
948 	case HFI_COLOR_FORMAT_P010:
949 		return get_framesize_raw_p010(width, height);
950 	case HFI_COLOR_FORMAT_P010_UBWC:
951 		return get_framesize_raw_p010_ubwc(width, height);
952 	case HFI_COLOR_FORMAT_YUV420_TP10_UBWC:
953 		return get_framesize_raw_yuv420_tp10_ubwc(width, height);
954 	default:
955 		return 0;
956 	}
957 }
958 EXPORT_SYMBOL_GPL(venus_helper_get_framesz_raw);
959 
960 u32 venus_helper_get_framesz(u32 v4l2_fmt, u32 width, u32 height)
961 {
962 	u32 hfi_fmt, sz;
963 	bool compressed;
964 
965 	switch (v4l2_fmt) {
966 	case V4L2_PIX_FMT_MPEG:
967 	case V4L2_PIX_FMT_H264:
968 	case V4L2_PIX_FMT_H264_NO_SC:
969 	case V4L2_PIX_FMT_H264_MVC:
970 	case V4L2_PIX_FMT_H263:
971 	case V4L2_PIX_FMT_MPEG1:
972 	case V4L2_PIX_FMT_MPEG2:
973 	case V4L2_PIX_FMT_MPEG4:
974 	case V4L2_PIX_FMT_XVID:
975 	case V4L2_PIX_FMT_VC1_ANNEX_G:
976 	case V4L2_PIX_FMT_VC1_ANNEX_L:
977 	case V4L2_PIX_FMT_VP8:
978 	case V4L2_PIX_FMT_VP9:
979 	case V4L2_PIX_FMT_HEVC:
980 		compressed = true;
981 		break;
982 	default:
983 		compressed = false;
984 		break;
985 	}
986 
987 	if (compressed) {
988 		sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2;
989 		return ALIGN(sz, SZ_4K);
990 	}
991 
992 	hfi_fmt = to_hfi_raw_fmt(v4l2_fmt);
993 	if (!hfi_fmt)
994 		return 0;
995 
996 	return venus_helper_get_framesz_raw(hfi_fmt, width, height);
997 }
998 EXPORT_SYMBOL_GPL(venus_helper_get_framesz);
999 
1000 int venus_helper_set_input_resolution(struct venus_inst *inst,
1001 				      unsigned int width, unsigned int height)
1002 {
1003 	u32 ptype = HFI_PROPERTY_PARAM_FRAME_SIZE;
1004 	struct hfi_framesize fs;
1005 
1006 	fs.buffer_type = HFI_BUFFER_INPUT;
1007 	fs.width = width;
1008 	fs.height = height;
1009 
1010 	return hfi_session_set_property(inst, ptype, &fs);
1011 }
1012 EXPORT_SYMBOL_GPL(venus_helper_set_input_resolution);
1013 
1014 int venus_helper_set_output_resolution(struct venus_inst *inst,
1015 				       unsigned int width, unsigned int height,
1016 				       u32 buftype)
1017 {
1018 	u32 ptype = HFI_PROPERTY_PARAM_FRAME_SIZE;
1019 	struct hfi_framesize fs;
1020 
1021 	fs.buffer_type = buftype;
1022 	fs.width = width;
1023 	fs.height = height;
1024 
1025 	return hfi_session_set_property(inst, ptype, &fs);
1026 }
1027 EXPORT_SYMBOL_GPL(venus_helper_set_output_resolution);
1028 
1029 int venus_helper_set_work_mode(struct venus_inst *inst, u32 mode)
1030 {
1031 	const u32 ptype = HFI_PROPERTY_PARAM_WORK_MODE;
1032 	struct hfi_video_work_mode wm;
1033 
1034 	if (!IS_V4(inst->core))
1035 		return 0;
1036 
1037 	wm.video_work_mode = mode;
1038 
1039 	return hfi_session_set_property(inst, ptype, &wm);
1040 }
1041 EXPORT_SYMBOL_GPL(venus_helper_set_work_mode);
1042 
1043 int venus_helper_init_codec_freq_data(struct venus_inst *inst)
1044 {
1045 	const struct codec_freq_data *data;
1046 	unsigned int i, data_size;
1047 	u32 pixfmt;
1048 	int ret = 0;
1049 
1050 	if (!IS_V4(inst->core))
1051 		return 0;
1052 
1053 	data = inst->core->res->codec_freq_data;
1054 	data_size = inst->core->res->codec_freq_data_size;
1055 	pixfmt = inst->session_type == VIDC_SESSION_TYPE_DEC ?
1056 			inst->fmt_out->pixfmt : inst->fmt_cap->pixfmt;
1057 
1058 	for (i = 0; i < data_size; i++) {
1059 		if (data[i].pixfmt == pixfmt &&
1060 		    data[i].session_type == inst->session_type) {
1061 			inst->clk_data.codec_freq_data = &data[i];
1062 			break;
1063 		}
1064 	}
1065 
1066 	if (!inst->clk_data.codec_freq_data)
1067 		ret = -EINVAL;
1068 
1069 	return ret;
1070 }
1071 EXPORT_SYMBOL_GPL(venus_helper_init_codec_freq_data);
1072 
1073 int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs,
1074 			      unsigned int output_bufs,
1075 			      unsigned int output2_bufs)
1076 {
1077 	u32 ptype = HFI_PROPERTY_PARAM_BUFFER_COUNT_ACTUAL;
1078 	struct hfi_buffer_count_actual buf_count;
1079 	int ret;
1080 
1081 	buf_count.type = HFI_BUFFER_INPUT;
1082 	buf_count.count_actual = input_bufs;
1083 
1084 	ret = hfi_session_set_property(inst, ptype, &buf_count);
1085 	if (ret)
1086 		return ret;
1087 
1088 	buf_count.type = HFI_BUFFER_OUTPUT;
1089 	buf_count.count_actual = output_bufs;
1090 
1091 	ret = hfi_session_set_property(inst, ptype, &buf_count);
1092 	if (ret)
1093 		return ret;
1094 
1095 	if (output2_bufs) {
1096 		buf_count.type = HFI_BUFFER_OUTPUT2;
1097 		buf_count.count_actual = output2_bufs;
1098 
1099 		ret = hfi_session_set_property(inst, ptype, &buf_count);
1100 	}
1101 
1102 	return ret;
1103 }
1104 EXPORT_SYMBOL_GPL(venus_helper_set_num_bufs);
1105 
1106 int venus_helper_set_raw_format(struct venus_inst *inst, u32 hfi_format,
1107 				u32 buftype)
1108 {
1109 	const u32 ptype = HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SELECT;
1110 	struct hfi_uncompressed_format_select fmt;
1111 
1112 	fmt.buffer_type = buftype;
1113 	fmt.format = hfi_format;
1114 
1115 	return hfi_session_set_property(inst, ptype, &fmt);
1116 }
1117 EXPORT_SYMBOL_GPL(venus_helper_set_raw_format);
1118 
1119 int venus_helper_set_color_format(struct venus_inst *inst, u32 pixfmt)
1120 {
1121 	u32 hfi_format, buftype;
1122 
1123 	if (inst->session_type == VIDC_SESSION_TYPE_DEC)
1124 		buftype = HFI_BUFFER_OUTPUT;
1125 	else if (inst->session_type == VIDC_SESSION_TYPE_ENC)
1126 		buftype = HFI_BUFFER_INPUT;
1127 	else
1128 		return -EINVAL;
1129 
1130 	hfi_format = to_hfi_raw_fmt(pixfmt);
1131 	if (!hfi_format)
1132 		return -EINVAL;
1133 
1134 	return venus_helper_set_raw_format(inst, hfi_format, buftype);
1135 }
1136 EXPORT_SYMBOL_GPL(venus_helper_set_color_format);
1137 
1138 int venus_helper_set_multistream(struct venus_inst *inst, bool out_en,
1139 				 bool out2_en)
1140 {
1141 	struct hfi_multi_stream multi = {0};
1142 	u32 ptype = HFI_PROPERTY_PARAM_VDEC_MULTI_STREAM;
1143 	int ret;
1144 
1145 	multi.buffer_type = HFI_BUFFER_OUTPUT;
1146 	multi.enable = out_en;
1147 
1148 	ret = hfi_session_set_property(inst, ptype, &multi);
1149 	if (ret)
1150 		return ret;
1151 
1152 	multi.buffer_type = HFI_BUFFER_OUTPUT2;
1153 	multi.enable = out2_en;
1154 
1155 	return hfi_session_set_property(inst, ptype, &multi);
1156 }
1157 EXPORT_SYMBOL_GPL(venus_helper_set_multistream);
1158 
1159 int venus_helper_set_dyn_bufmode(struct venus_inst *inst)
1160 {
1161 	const u32 ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE;
1162 	struct hfi_buffer_alloc_mode mode;
1163 	int ret;
1164 
1165 	if (!is_dynamic_bufmode(inst))
1166 		return 0;
1167 
1168 	mode.type = HFI_BUFFER_OUTPUT;
1169 	mode.mode = HFI_BUFFER_MODE_DYNAMIC;
1170 
1171 	ret = hfi_session_set_property(inst, ptype, &mode);
1172 	if (ret)
1173 		return ret;
1174 
1175 	mode.type = HFI_BUFFER_OUTPUT2;
1176 
1177 	return hfi_session_set_property(inst, ptype, &mode);
1178 }
1179 EXPORT_SYMBOL_GPL(venus_helper_set_dyn_bufmode);
1180 
1181 int venus_helper_set_bufsize(struct venus_inst *inst, u32 bufsize, u32 buftype)
1182 {
1183 	const u32 ptype = HFI_PROPERTY_PARAM_BUFFER_SIZE_ACTUAL;
1184 	struct hfi_buffer_size_actual bufsz;
1185 
1186 	bufsz.type = buftype;
1187 	bufsz.size = bufsize;
1188 
1189 	return hfi_session_set_property(inst, ptype, &bufsz);
1190 }
1191 EXPORT_SYMBOL_GPL(venus_helper_set_bufsize);
1192 
1193 unsigned int venus_helper_get_opb_size(struct venus_inst *inst)
1194 {
1195 	/* the encoder has only one output */
1196 	if (inst->session_type == VIDC_SESSION_TYPE_ENC)
1197 		return inst->output_buf_size;
1198 
1199 	if (inst->opb_buftype == HFI_BUFFER_OUTPUT)
1200 		return inst->output_buf_size;
1201 	else if (inst->opb_buftype == HFI_BUFFER_OUTPUT2)
1202 		return inst->output2_buf_size;
1203 
1204 	return 0;
1205 }
1206 EXPORT_SYMBOL_GPL(venus_helper_get_opb_size);
1207 
1208 static void delayed_process_buf_func(struct work_struct *work)
1209 {
1210 	struct venus_buffer *buf, *n;
1211 	struct venus_inst *inst;
1212 	int ret;
1213 
1214 	inst = container_of(work, struct venus_inst, delayed_process_work);
1215 
1216 	mutex_lock(&inst->lock);
1217 
1218 	if (!(inst->streamon_out & inst->streamon_cap))
1219 		goto unlock;
1220 
1221 	list_for_each_entry_safe(buf, n, &inst->delayed_process, ref_list) {
1222 		if (buf->flags & HFI_BUFFERFLAG_READONLY)
1223 			continue;
1224 
1225 		ret = session_process_buf(inst, &buf->vb);
1226 		if (ret)
1227 			return_buf_error(inst, &buf->vb);
1228 
1229 		list_del_init(&buf->ref_list);
1230 	}
1231 unlock:
1232 	mutex_unlock(&inst->lock);
1233 }
1234 
1235 void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx)
1236 {
1237 	struct venus_buffer *buf;
1238 
1239 	list_for_each_entry(buf, &inst->registeredbufs, reg_list) {
1240 		if (buf->vb.vb2_buf.index == idx) {
1241 			buf->flags &= ~HFI_BUFFERFLAG_READONLY;
1242 			schedule_work(&inst->delayed_process_work);
1243 			break;
1244 		}
1245 	}
1246 }
1247 EXPORT_SYMBOL_GPL(venus_helper_release_buf_ref);
1248 
1249 void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf)
1250 {
1251 	struct venus_buffer *buf = to_venus_buffer(vbuf);
1252 
1253 	buf->flags |= HFI_BUFFERFLAG_READONLY;
1254 }
1255 EXPORT_SYMBOL_GPL(venus_helper_acquire_buf_ref);
1256 
1257 static int is_buf_refed(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
1258 {
1259 	struct venus_buffer *buf = to_venus_buffer(vbuf);
1260 
1261 	if (buf->flags & HFI_BUFFERFLAG_READONLY) {
1262 		list_add_tail(&buf->ref_list, &inst->delayed_process);
1263 		schedule_work(&inst->delayed_process_work);
1264 		return 1;
1265 	}
1266 
1267 	return 0;
1268 }
1269 
1270 struct vb2_v4l2_buffer *
1271 venus_helper_find_buf(struct venus_inst *inst, unsigned int type, u32 idx)
1272 {
1273 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1274 
1275 	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1276 		return v4l2_m2m_src_buf_remove_by_idx(m2m_ctx, idx);
1277 	else
1278 		return v4l2_m2m_dst_buf_remove_by_idx(m2m_ctx, idx);
1279 }
1280 EXPORT_SYMBOL_GPL(venus_helper_find_buf);
1281 
1282 int venus_helper_vb2_buf_init(struct vb2_buffer *vb)
1283 {
1284 	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1285 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1286 	struct venus_buffer *buf = to_venus_buffer(vbuf);
1287 	struct sg_table *sgt;
1288 
1289 	sgt = vb2_dma_sg_plane_desc(vb, 0);
1290 	if (!sgt)
1291 		return -EFAULT;
1292 
1293 	buf->size = vb2_plane_size(vb, 0);
1294 	buf->dma_addr = sg_dma_address(sgt->sgl);
1295 
1296 	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1297 		list_add_tail(&buf->reg_list, &inst->registeredbufs);
1298 
1299 	return 0;
1300 }
1301 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_init);
1302 
1303 int venus_helper_vb2_buf_prepare(struct vb2_buffer *vb)
1304 {
1305 	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1306 	unsigned int out_buf_size = venus_helper_get_opb_size(inst);
1307 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1308 
1309 	if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
1310 		if (vbuf->field == V4L2_FIELD_ANY)
1311 			vbuf->field = V4L2_FIELD_NONE;
1312 		if (vbuf->field != V4L2_FIELD_NONE) {
1313 			dev_err(inst->core->dev, "%s field isn't supported\n",
1314 				__func__);
1315 			return -EINVAL;
1316 		}
1317 	}
1318 
1319 	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1320 	    vb2_plane_size(vb, 0) < out_buf_size)
1321 		return -EINVAL;
1322 	if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1323 	    vb2_plane_size(vb, 0) < inst->input_buf_size)
1324 		return -EINVAL;
1325 
1326 	return 0;
1327 }
1328 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_prepare);
1329 
1330 static void cache_payload(struct venus_inst *inst, struct vb2_buffer *vb)
1331 {
1332 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1333 	unsigned int idx = vbuf->vb2_buf.index;
1334 
1335 	if (vbuf->vb2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1336 		inst->payloads[idx] = vb2_get_plane_payload(vb, 0);
1337 }
1338 
1339 void venus_helper_vb2_buf_queue(struct vb2_buffer *vb)
1340 {
1341 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1342 	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1343 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1344 	int ret;
1345 
1346 	mutex_lock(&inst->lock);
1347 
1348 	v4l2_m2m_buf_queue(m2m_ctx, vbuf);
1349 
1350 	cache_payload(inst, vb);
1351 
1352 	if (inst->session_type == VIDC_SESSION_TYPE_ENC &&
1353 	    !(inst->streamon_out && inst->streamon_cap))
1354 		goto unlock;
1355 
1356 	if (vb2_start_streaming_called(vb->vb2_queue)) {
1357 		ret = is_buf_refed(inst, vbuf);
1358 		if (ret)
1359 			goto unlock;
1360 
1361 		ret = session_process_buf(inst, vbuf);
1362 		if (ret)
1363 			return_buf_error(inst, vbuf);
1364 	}
1365 
1366 unlock:
1367 	mutex_unlock(&inst->lock);
1368 }
1369 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_queue);
1370 
1371 void venus_helper_buffers_done(struct venus_inst *inst, unsigned int type,
1372 			       enum vb2_buffer_state state)
1373 {
1374 	struct vb2_v4l2_buffer *buf;
1375 
1376 	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1377 		while ((buf = v4l2_m2m_src_buf_remove(inst->m2m_ctx)))
1378 			v4l2_m2m_buf_done(buf, state);
1379 	} else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1380 		while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
1381 			v4l2_m2m_buf_done(buf, state);
1382 	}
1383 }
1384 EXPORT_SYMBOL_GPL(venus_helper_buffers_done);
1385 
1386 void venus_helper_vb2_stop_streaming(struct vb2_queue *q)
1387 {
1388 	struct venus_inst *inst = vb2_get_drv_priv(q);
1389 	struct venus_core *core = inst->core;
1390 	int ret;
1391 
1392 	mutex_lock(&inst->lock);
1393 
1394 	if (inst->streamon_out & inst->streamon_cap) {
1395 		ret = hfi_session_stop(inst);
1396 		ret |= hfi_session_unload_res(inst);
1397 		ret |= venus_helper_unregister_bufs(inst);
1398 		ret |= venus_helper_intbufs_free(inst);
1399 		ret |= hfi_session_deinit(inst);
1400 
1401 		if (inst->session_error || core->sys_error)
1402 			ret = -EIO;
1403 
1404 		if (ret)
1405 			hfi_session_abort(inst);
1406 
1407 		venus_helper_free_dpb_bufs(inst);
1408 
1409 		venus_pm_load_scale(inst);
1410 		INIT_LIST_HEAD(&inst->registeredbufs);
1411 	}
1412 
1413 	venus_helper_buffers_done(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
1414 				  VB2_BUF_STATE_ERROR);
1415 	venus_helper_buffers_done(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
1416 				  VB2_BUF_STATE_ERROR);
1417 
1418 	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1419 		inst->streamon_out = 0;
1420 	else
1421 		inst->streamon_cap = 0;
1422 
1423 	venus_pm_release_core(inst);
1424 
1425 	mutex_unlock(&inst->lock);
1426 }
1427 EXPORT_SYMBOL_GPL(venus_helper_vb2_stop_streaming);
1428 
1429 int venus_helper_process_initial_cap_bufs(struct venus_inst *inst)
1430 {
1431 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1432 	struct v4l2_m2m_buffer *buf, *n;
1433 	int ret;
1434 
1435 	v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buf, n) {
1436 		ret = session_process_buf(inst, &buf->vb);
1437 		if (ret) {
1438 			return_buf_error(inst, &buf->vb);
1439 			return ret;
1440 		}
1441 	}
1442 
1443 	return 0;
1444 }
1445 EXPORT_SYMBOL_GPL(venus_helper_process_initial_cap_bufs);
1446 
1447 int venus_helper_process_initial_out_bufs(struct venus_inst *inst)
1448 {
1449 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1450 	struct v4l2_m2m_buffer *buf, *n;
1451 	int ret;
1452 
1453 	v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buf, n) {
1454 		ret = session_process_buf(inst, &buf->vb);
1455 		if (ret) {
1456 			return_buf_error(inst, &buf->vb);
1457 			return ret;
1458 		}
1459 	}
1460 
1461 	return 0;
1462 }
1463 EXPORT_SYMBOL_GPL(venus_helper_process_initial_out_bufs);
1464 
1465 int venus_helper_vb2_start_streaming(struct venus_inst *inst)
1466 {
1467 	int ret;
1468 
1469 	ret = venus_helper_intbufs_alloc(inst);
1470 	if (ret)
1471 		return ret;
1472 
1473 	ret = session_register_bufs(inst);
1474 	if (ret)
1475 		goto err_bufs_free;
1476 
1477 	venus_pm_load_scale(inst);
1478 
1479 	ret = hfi_session_load_res(inst);
1480 	if (ret)
1481 		goto err_unreg_bufs;
1482 
1483 	ret = hfi_session_start(inst);
1484 	if (ret)
1485 		goto err_unload_res;
1486 
1487 	return 0;
1488 
1489 err_unload_res:
1490 	hfi_session_unload_res(inst);
1491 err_unreg_bufs:
1492 	venus_helper_unregister_bufs(inst);
1493 err_bufs_free:
1494 	venus_helper_intbufs_free(inst);
1495 	return ret;
1496 }
1497 EXPORT_SYMBOL_GPL(venus_helper_vb2_start_streaming);
1498 
1499 void venus_helper_m2m_device_run(void *priv)
1500 {
1501 	struct venus_inst *inst = priv;
1502 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1503 	struct v4l2_m2m_buffer *buf, *n;
1504 	int ret;
1505 
1506 	mutex_lock(&inst->lock);
1507 
1508 	v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buf, n) {
1509 		ret = session_process_buf(inst, &buf->vb);
1510 		if (ret)
1511 			return_buf_error(inst, &buf->vb);
1512 	}
1513 
1514 	v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buf, n) {
1515 		ret = session_process_buf(inst, &buf->vb);
1516 		if (ret)
1517 			return_buf_error(inst, &buf->vb);
1518 	}
1519 
1520 	mutex_unlock(&inst->lock);
1521 }
1522 EXPORT_SYMBOL_GPL(venus_helper_m2m_device_run);
1523 
1524 void venus_helper_m2m_job_abort(void *priv)
1525 {
1526 	struct venus_inst *inst = priv;
1527 
1528 	v4l2_m2m_job_finish(inst->m2m_dev, inst->m2m_ctx);
1529 }
1530 EXPORT_SYMBOL_GPL(venus_helper_m2m_job_abort);
1531 
1532 void venus_helper_init_instance(struct venus_inst *inst)
1533 {
1534 	if (inst->session_type == VIDC_SESSION_TYPE_DEC) {
1535 		INIT_LIST_HEAD(&inst->delayed_process);
1536 		INIT_WORK(&inst->delayed_process_work,
1537 			  delayed_process_buf_func);
1538 	}
1539 }
1540 EXPORT_SYMBOL_GPL(venus_helper_init_instance);
1541 
1542 static bool find_fmt_from_caps(struct venus_caps *caps, u32 buftype, u32 fmt)
1543 {
1544 	unsigned int i;
1545 
1546 	for (i = 0; i < caps->num_fmts; i++) {
1547 		if (caps->fmts[i].buftype == buftype &&
1548 		    caps->fmts[i].fmt == fmt)
1549 			return true;
1550 	}
1551 
1552 	return false;
1553 }
1554 
1555 int venus_helper_get_out_fmts(struct venus_inst *inst, u32 v4l2_fmt,
1556 			      u32 *out_fmt, u32 *out2_fmt, bool ubwc)
1557 {
1558 	struct venus_core *core = inst->core;
1559 	struct venus_caps *caps;
1560 	u32 ubwc_fmt, fmt = to_hfi_raw_fmt(v4l2_fmt);
1561 	bool found, found_ubwc;
1562 
1563 	*out_fmt = *out2_fmt = 0;
1564 
1565 	if (!fmt)
1566 		return -EINVAL;
1567 
1568 	caps = venus_caps_by_codec(core, inst->hfi_codec, inst->session_type);
1569 	if (!caps)
1570 		return -EINVAL;
1571 
1572 	if (inst->bit_depth == VIDC_BITDEPTH_10 &&
1573 	    inst->session_type == VIDC_SESSION_TYPE_DEC) {
1574 		found_ubwc =
1575 			find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT,
1576 					   HFI_COLOR_FORMAT_YUV420_TP10_UBWC);
1577 		found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2,
1578 					   HFI_COLOR_FORMAT_NV12);
1579 		if (found_ubwc && found) {
1580 			/*
1581 			 * Hard-code DPB buffers to be 10bit UBWC and decoder
1582 			 * output buffers in 8bit NV12 until V4L2 is able to
1583 			 * expose compressed/tiled formats to applications.
1584 			 */
1585 			*out_fmt = HFI_COLOR_FORMAT_YUV420_TP10_UBWC;
1586 			*out2_fmt = HFI_COLOR_FORMAT_NV12;
1587 			return 0;
1588 		}
1589 
1590 		return -EINVAL;
1591 	}
1592 
1593 	if (ubwc) {
1594 		ubwc_fmt = fmt | HFI_COLOR_FORMAT_UBWC_BASE;
1595 		found_ubwc = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT,
1596 						ubwc_fmt);
1597 		found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2, fmt);
1598 
1599 		if (found_ubwc && found) {
1600 			*out_fmt = ubwc_fmt;
1601 			*out2_fmt = fmt;
1602 			return 0;
1603 		}
1604 	}
1605 
1606 	found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT, fmt);
1607 	if (found) {
1608 		*out_fmt = fmt;
1609 		*out2_fmt = 0;
1610 		return 0;
1611 	}
1612 
1613 	found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2, fmt);
1614 	if (found) {
1615 		*out_fmt = 0;
1616 		*out2_fmt = fmt;
1617 		return 0;
1618 	}
1619 
1620 	return -EINVAL;
1621 }
1622 EXPORT_SYMBOL_GPL(venus_helper_get_out_fmts);
1623