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-contig.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 #include "hfi_platform.h"
19 #include "hfi_parser.h"
20 
21 #define NUM_MBS_720P	(((1280 + 15) >> 4) * ((720 + 15) >> 4))
22 #define NUM_MBS_4K	(((4096 + 15) >> 4) * ((2304 + 15) >> 4))
23 
24 struct intbuf {
25 	struct list_head list;
26 	u32 type;
27 	size_t size;
28 	void *va;
29 	dma_addr_t da;
30 	unsigned long attrs;
31 };
32 
33 bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt)
34 {
35 	struct venus_core *core = inst->core;
36 	u32 session_type = inst->session_type;
37 	u32 codec;
38 
39 	switch (v4l2_pixfmt) {
40 	case V4L2_PIX_FMT_H264:
41 		codec = HFI_VIDEO_CODEC_H264;
42 		break;
43 	case V4L2_PIX_FMT_H263:
44 		codec = HFI_VIDEO_CODEC_H263;
45 		break;
46 	case V4L2_PIX_FMT_MPEG1:
47 		codec = HFI_VIDEO_CODEC_MPEG1;
48 		break;
49 	case V4L2_PIX_FMT_MPEG2:
50 		codec = HFI_VIDEO_CODEC_MPEG2;
51 		break;
52 	case V4L2_PIX_FMT_MPEG4:
53 		codec = HFI_VIDEO_CODEC_MPEG4;
54 		break;
55 	case V4L2_PIX_FMT_VC1_ANNEX_G:
56 	case V4L2_PIX_FMT_VC1_ANNEX_L:
57 		codec = HFI_VIDEO_CODEC_VC1;
58 		break;
59 	case V4L2_PIX_FMT_VP8:
60 		codec = HFI_VIDEO_CODEC_VP8;
61 		break;
62 	case V4L2_PIX_FMT_VP9:
63 		codec = HFI_VIDEO_CODEC_VP9;
64 		break;
65 	case V4L2_PIX_FMT_XVID:
66 		codec = HFI_VIDEO_CODEC_DIVX;
67 		break;
68 	case V4L2_PIX_FMT_HEVC:
69 		codec = HFI_VIDEO_CODEC_HEVC;
70 		break;
71 	default:
72 		return false;
73 	}
74 
75 	if (session_type == VIDC_SESSION_TYPE_ENC && core->enc_codecs & codec)
76 		return true;
77 
78 	if (session_type == VIDC_SESSION_TYPE_DEC && core->dec_codecs & codec)
79 		return true;
80 
81 	return false;
82 }
83 EXPORT_SYMBOL_GPL(venus_helper_check_codec);
84 
85 int venus_helper_queue_dpb_bufs(struct venus_inst *inst)
86 {
87 	struct intbuf *buf;
88 	int ret = 0;
89 
90 	list_for_each_entry(buf, &inst->dpbbufs, list) {
91 		struct hfi_frame_data fdata;
92 
93 		memset(&fdata, 0, sizeof(fdata));
94 		fdata.alloc_len = buf->size;
95 		fdata.device_addr = buf->da;
96 		fdata.buffer_type = buf->type;
97 
98 		ret = hfi_session_process_buf(inst, &fdata);
99 		if (ret)
100 			goto fail;
101 	}
102 
103 fail:
104 	return ret;
105 }
106 EXPORT_SYMBOL_GPL(venus_helper_queue_dpb_bufs);
107 
108 int venus_helper_free_dpb_bufs(struct venus_inst *inst)
109 {
110 	struct intbuf *buf, *n;
111 
112 	list_for_each_entry_safe(buf, n, &inst->dpbbufs, list) {
113 		list_del_init(&buf->list);
114 		dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,
115 			       buf->attrs);
116 		kfree(buf);
117 	}
118 
119 	INIT_LIST_HEAD(&inst->dpbbufs);
120 
121 	return 0;
122 }
123 EXPORT_SYMBOL_GPL(venus_helper_free_dpb_bufs);
124 
125 int venus_helper_alloc_dpb_bufs(struct venus_inst *inst)
126 {
127 	struct venus_core *core = inst->core;
128 	struct device *dev = core->dev;
129 	enum hfi_version ver = core->res->hfi_version;
130 	struct hfi_buffer_requirements bufreq;
131 	u32 buftype = inst->dpb_buftype;
132 	unsigned int dpb_size = 0;
133 	struct intbuf *buf;
134 	unsigned int i;
135 	u32 count;
136 	int ret;
137 
138 	/* no need to allocate dpb buffers */
139 	if (!inst->dpb_fmt)
140 		return 0;
141 
142 	if (inst->dpb_buftype == HFI_BUFFER_OUTPUT)
143 		dpb_size = inst->output_buf_size;
144 	else if (inst->dpb_buftype == HFI_BUFFER_OUTPUT2)
145 		dpb_size = inst->output2_buf_size;
146 
147 	if (!dpb_size)
148 		return 0;
149 
150 	ret = venus_helper_get_bufreq(inst, buftype, &bufreq);
151 	if (ret)
152 		return ret;
153 
154 	count = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
155 
156 	for (i = 0; i < count; i++) {
157 		buf = kzalloc(sizeof(*buf), GFP_KERNEL);
158 		if (!buf) {
159 			ret = -ENOMEM;
160 			goto fail;
161 		}
162 
163 		buf->type = buftype;
164 		buf->size = dpb_size;
165 		buf->attrs = DMA_ATTR_WRITE_COMBINE |
166 			     DMA_ATTR_NO_KERNEL_MAPPING;
167 		buf->va = dma_alloc_attrs(dev, buf->size, &buf->da, GFP_KERNEL,
168 					  buf->attrs);
169 		if (!buf->va) {
170 			kfree(buf);
171 			ret = -ENOMEM;
172 			goto fail;
173 		}
174 
175 		list_add_tail(&buf->list, &inst->dpbbufs);
176 	}
177 
178 	return 0;
179 
180 fail:
181 	venus_helper_free_dpb_bufs(inst);
182 	return ret;
183 }
184 EXPORT_SYMBOL_GPL(venus_helper_alloc_dpb_bufs);
185 
186 static int intbufs_set_buffer(struct venus_inst *inst, u32 type)
187 {
188 	struct venus_core *core = inst->core;
189 	struct device *dev = core->dev;
190 	struct hfi_buffer_requirements bufreq;
191 	struct hfi_buffer_desc bd;
192 	struct intbuf *buf;
193 	unsigned int i;
194 	int ret;
195 
196 	ret = venus_helper_get_bufreq(inst, type, &bufreq);
197 	if (ret)
198 		return 0;
199 
200 	if (!bufreq.size)
201 		return 0;
202 
203 	for (i = 0; i < bufreq.count_actual; i++) {
204 		buf = kzalloc(sizeof(*buf), GFP_KERNEL);
205 		if (!buf) {
206 			ret = -ENOMEM;
207 			goto fail;
208 		}
209 
210 		buf->type = bufreq.type;
211 		buf->size = bufreq.size;
212 		buf->attrs = DMA_ATTR_WRITE_COMBINE |
213 			     DMA_ATTR_NO_KERNEL_MAPPING;
214 		buf->va = dma_alloc_attrs(dev, buf->size, &buf->da, GFP_KERNEL,
215 					  buf->attrs);
216 		if (!buf->va) {
217 			ret = -ENOMEM;
218 			goto fail;
219 		}
220 
221 		memset(&bd, 0, sizeof(bd));
222 		bd.buffer_size = buf->size;
223 		bd.buffer_type = buf->type;
224 		bd.num_buffers = 1;
225 		bd.device_addr = buf->da;
226 
227 		ret = hfi_session_set_buffers(inst, &bd);
228 		if (ret) {
229 			dev_err(dev, "set session buffers failed\n");
230 			goto dma_free;
231 		}
232 
233 		list_add_tail(&buf->list, &inst->internalbufs);
234 	}
235 
236 	return 0;
237 
238 dma_free:
239 	dma_free_attrs(dev, buf->size, buf->va, buf->da, buf->attrs);
240 fail:
241 	kfree(buf);
242 	return ret;
243 }
244 
245 static int intbufs_unset_buffers(struct venus_inst *inst)
246 {
247 	struct hfi_buffer_desc bd = {0};
248 	struct intbuf *buf, *n;
249 	int ret = 0;
250 
251 	list_for_each_entry_safe(buf, n, &inst->internalbufs, list) {
252 		bd.buffer_size = buf->size;
253 		bd.buffer_type = buf->type;
254 		bd.num_buffers = 1;
255 		bd.device_addr = buf->da;
256 		bd.response_required = true;
257 
258 		ret = hfi_session_unset_buffers(inst, &bd);
259 
260 		list_del_init(&buf->list);
261 		dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,
262 			       buf->attrs);
263 		kfree(buf);
264 	}
265 
266 	return ret;
267 }
268 
269 static const unsigned int intbuf_types_1xx[] = {
270 	HFI_BUFFER_INTERNAL_SCRATCH(HFI_VERSION_1XX),
271 	HFI_BUFFER_INTERNAL_SCRATCH_1(HFI_VERSION_1XX),
272 	HFI_BUFFER_INTERNAL_SCRATCH_2(HFI_VERSION_1XX),
273 	HFI_BUFFER_INTERNAL_PERSIST,
274 	HFI_BUFFER_INTERNAL_PERSIST_1,
275 };
276 
277 static const unsigned int intbuf_types_4xx[] = {
278 	HFI_BUFFER_INTERNAL_SCRATCH(HFI_VERSION_4XX),
279 	HFI_BUFFER_INTERNAL_SCRATCH_1(HFI_VERSION_4XX),
280 	HFI_BUFFER_INTERNAL_SCRATCH_2(HFI_VERSION_4XX),
281 	HFI_BUFFER_INTERNAL_PERSIST,
282 	HFI_BUFFER_INTERNAL_PERSIST_1,
283 };
284 
285 static const unsigned int intbuf_types_6xx[] = {
286 	HFI_BUFFER_INTERNAL_SCRATCH(HFI_VERSION_6XX),
287 	HFI_BUFFER_INTERNAL_SCRATCH_1(HFI_VERSION_6XX),
288 	HFI_BUFFER_INTERNAL_SCRATCH_2(HFI_VERSION_6XX),
289 	HFI_BUFFER_INTERNAL_PERSIST,
290 	HFI_BUFFER_INTERNAL_PERSIST_1,
291 };
292 
293 int venus_helper_intbufs_alloc(struct venus_inst *inst)
294 {
295 	const unsigned int *intbuf;
296 	size_t arr_sz, i;
297 	int ret;
298 
299 	if (IS_V6(inst->core)) {
300 		arr_sz = ARRAY_SIZE(intbuf_types_6xx);
301 		intbuf = intbuf_types_6xx;
302 	} else if (IS_V4(inst->core)) {
303 		arr_sz = ARRAY_SIZE(intbuf_types_4xx);
304 		intbuf = intbuf_types_4xx;
305 	} else {
306 		arr_sz = ARRAY_SIZE(intbuf_types_1xx);
307 		intbuf = intbuf_types_1xx;
308 	}
309 
310 	for (i = 0; i < arr_sz; i++) {
311 		ret = intbufs_set_buffer(inst, intbuf[i]);
312 		if (ret)
313 			goto error;
314 	}
315 
316 	return 0;
317 
318 error:
319 	intbufs_unset_buffers(inst);
320 	return ret;
321 }
322 EXPORT_SYMBOL_GPL(venus_helper_intbufs_alloc);
323 
324 int venus_helper_intbufs_free(struct venus_inst *inst)
325 {
326 	return intbufs_unset_buffers(inst);
327 }
328 EXPORT_SYMBOL_GPL(venus_helper_intbufs_free);
329 
330 int venus_helper_intbufs_realloc(struct venus_inst *inst)
331 {
332 	enum hfi_version ver = inst->core->res->hfi_version;
333 	struct hfi_buffer_desc bd;
334 	struct intbuf *buf, *n;
335 	int ret;
336 
337 	list_for_each_entry_safe(buf, n, &inst->internalbufs, list) {
338 		if (buf->type == HFI_BUFFER_INTERNAL_PERSIST ||
339 		    buf->type == HFI_BUFFER_INTERNAL_PERSIST_1)
340 			continue;
341 
342 		memset(&bd, 0, sizeof(bd));
343 		bd.buffer_size = buf->size;
344 		bd.buffer_type = buf->type;
345 		bd.num_buffers = 1;
346 		bd.device_addr = buf->da;
347 		bd.response_required = true;
348 
349 		ret = hfi_session_unset_buffers(inst, &bd);
350 
351 		dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,
352 			       buf->attrs);
353 
354 		list_del_init(&buf->list);
355 		kfree(buf);
356 	}
357 
358 	ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH(ver));
359 	if (ret)
360 		goto err;
361 
362 	ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH_1(ver));
363 	if (ret)
364 		goto err;
365 
366 	ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH_2(ver));
367 	if (ret)
368 		goto err;
369 
370 	return 0;
371 err:
372 	return ret;
373 }
374 EXPORT_SYMBOL_GPL(venus_helper_intbufs_realloc);
375 
376 static void fill_buffer_desc(const struct venus_buffer *buf,
377 			     struct hfi_buffer_desc *bd, bool response)
378 {
379 	memset(bd, 0, sizeof(*bd));
380 	bd->buffer_type = HFI_BUFFER_OUTPUT;
381 	bd->buffer_size = buf->size;
382 	bd->num_buffers = 1;
383 	bd->device_addr = buf->dma_addr;
384 	bd->response_required = response;
385 }
386 
387 static void return_buf_error(struct venus_inst *inst,
388 			     struct vb2_v4l2_buffer *vbuf)
389 {
390 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
391 
392 	if (vbuf->vb2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
393 		v4l2_m2m_src_buf_remove_by_buf(m2m_ctx, vbuf);
394 	else
395 		v4l2_m2m_dst_buf_remove_by_buf(m2m_ctx, vbuf);
396 
397 	v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
398 }
399 
400 static void
401 put_ts_metadata(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
402 {
403 	struct vb2_buffer *vb = &vbuf->vb2_buf;
404 	unsigned int i;
405 	int slot = -1;
406 	u64 ts_us = vb->timestamp;
407 
408 	for (i = 0; i < ARRAY_SIZE(inst->tss); i++) {
409 		if (!inst->tss[i].used) {
410 			slot = i;
411 			break;
412 		}
413 	}
414 
415 	if (slot == -1) {
416 		dev_dbg(inst->core->dev, VDBGL "no free slot\n");
417 		return;
418 	}
419 
420 	do_div(ts_us, NSEC_PER_USEC);
421 
422 	inst->tss[slot].used = true;
423 	inst->tss[slot].flags = vbuf->flags;
424 	inst->tss[slot].tc = vbuf->timecode;
425 	inst->tss[slot].ts_us = ts_us;
426 	inst->tss[slot].ts_ns = vb->timestamp;
427 }
428 
429 void venus_helper_get_ts_metadata(struct venus_inst *inst, u64 timestamp_us,
430 				  struct vb2_v4l2_buffer *vbuf)
431 {
432 	struct vb2_buffer *vb = &vbuf->vb2_buf;
433 	unsigned int i;
434 
435 	for (i = 0; i < ARRAY_SIZE(inst->tss); ++i) {
436 		if (!inst->tss[i].used)
437 			continue;
438 
439 		if (inst->tss[i].ts_us != timestamp_us)
440 			continue;
441 
442 		inst->tss[i].used = false;
443 		vbuf->flags |= inst->tss[i].flags;
444 		vbuf->timecode = inst->tss[i].tc;
445 		vb->timestamp = inst->tss[i].ts_ns;
446 		break;
447 	}
448 }
449 EXPORT_SYMBOL_GPL(venus_helper_get_ts_metadata);
450 
451 static int
452 session_process_buf(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
453 {
454 	struct venus_buffer *buf = to_venus_buffer(vbuf);
455 	struct vb2_buffer *vb = &vbuf->vb2_buf;
456 	unsigned int type = vb->type;
457 	struct hfi_frame_data fdata;
458 	int ret;
459 
460 	memset(&fdata, 0, sizeof(fdata));
461 	fdata.alloc_len = buf->size;
462 	fdata.device_addr = buf->dma_addr;
463 	fdata.timestamp = vb->timestamp;
464 	do_div(fdata.timestamp, NSEC_PER_USEC);
465 	fdata.flags = 0;
466 	fdata.clnt_data = vbuf->vb2_buf.index;
467 
468 	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
469 		fdata.buffer_type = HFI_BUFFER_INPUT;
470 		fdata.filled_len = vb2_get_plane_payload(vb, 0);
471 		fdata.offset = vb->planes[0].data_offset;
472 
473 		if (vbuf->flags & V4L2_BUF_FLAG_LAST || !fdata.filled_len)
474 			fdata.flags |= HFI_BUFFERFLAG_EOS;
475 
476 		if (inst->session_type == VIDC_SESSION_TYPE_DEC)
477 			put_ts_metadata(inst, vbuf);
478 
479 		venus_pm_load_scale(inst);
480 	} else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
481 		if (inst->session_type == VIDC_SESSION_TYPE_ENC)
482 			fdata.buffer_type = HFI_BUFFER_OUTPUT;
483 		else
484 			fdata.buffer_type = inst->opb_buftype;
485 		fdata.filled_len = 0;
486 		fdata.offset = 0;
487 	}
488 
489 	ret = hfi_session_process_buf(inst, &fdata);
490 	if (ret)
491 		return ret;
492 
493 	return 0;
494 }
495 
496 static bool is_dynamic_bufmode(struct venus_inst *inst)
497 {
498 	struct venus_core *core = inst->core;
499 	struct hfi_plat_caps *caps;
500 
501 	/*
502 	 * v4 doesn't send BUFFER_ALLOC_MODE_SUPPORTED property and supports
503 	 * dynamic buffer mode by default for HFI_BUFFER_OUTPUT/OUTPUT2.
504 	 */
505 	if (IS_V4(core) || IS_V6(core))
506 		return true;
507 
508 	caps = venus_caps_by_codec(core, inst->hfi_codec, inst->session_type);
509 	if (!caps)
510 		return false;
511 
512 	return caps->cap_bufs_mode_dynamic;
513 }
514 
515 int venus_helper_unregister_bufs(struct venus_inst *inst)
516 {
517 	struct venus_buffer *buf, *n;
518 	struct hfi_buffer_desc bd;
519 	int ret = 0;
520 
521 	if (is_dynamic_bufmode(inst))
522 		return 0;
523 
524 	list_for_each_entry_safe(buf, n, &inst->registeredbufs, reg_list) {
525 		fill_buffer_desc(buf, &bd, true);
526 		ret = hfi_session_unset_buffers(inst, &bd);
527 		list_del_init(&buf->reg_list);
528 	}
529 
530 	return ret;
531 }
532 EXPORT_SYMBOL_GPL(venus_helper_unregister_bufs);
533 
534 static int session_register_bufs(struct venus_inst *inst)
535 {
536 	struct venus_core *core = inst->core;
537 	struct device *dev = core->dev;
538 	struct hfi_buffer_desc bd;
539 	struct venus_buffer *buf;
540 	int ret = 0;
541 
542 	if (is_dynamic_bufmode(inst))
543 		return 0;
544 
545 	list_for_each_entry(buf, &inst->registeredbufs, reg_list) {
546 		fill_buffer_desc(buf, &bd, false);
547 		ret = hfi_session_set_buffers(inst, &bd);
548 		if (ret) {
549 			dev_err(dev, "%s: set buffer failed\n", __func__);
550 			break;
551 		}
552 	}
553 
554 	return ret;
555 }
556 
557 static u32 to_hfi_raw_fmt(u32 v4l2_fmt)
558 {
559 	switch (v4l2_fmt) {
560 	case V4L2_PIX_FMT_NV12:
561 		return HFI_COLOR_FORMAT_NV12;
562 	case V4L2_PIX_FMT_NV21:
563 		return HFI_COLOR_FORMAT_NV21;
564 	default:
565 		break;
566 	}
567 
568 	return 0;
569 }
570 
571 static int platform_get_bufreq(struct venus_inst *inst, u32 buftype,
572 			       struct hfi_buffer_requirements *req)
573 {
574 	enum hfi_version version = inst->core->res->hfi_version;
575 	const struct hfi_platform *hfi_plat;
576 	struct hfi_plat_buffers_params params;
577 	bool is_dec = inst->session_type == VIDC_SESSION_TYPE_DEC;
578 	struct venc_controls *enc_ctr = &inst->controls.enc;
579 
580 	hfi_plat = hfi_platform_get(version);
581 
582 	if (!hfi_plat || !hfi_plat->bufreq)
583 		return -EINVAL;
584 
585 	params.version = version;
586 	params.num_vpp_pipes = hfi_platform_num_vpp_pipes(version);
587 
588 	if (is_dec) {
589 		params.width = inst->width;
590 		params.height = inst->height;
591 		params.codec = inst->fmt_out->pixfmt;
592 		params.hfi_color_fmt = to_hfi_raw_fmt(inst->fmt_cap->pixfmt);
593 		params.dec.max_mbs_per_frame = mbs_per_frame_max(inst);
594 		params.dec.buffer_size_limit = 0;
595 		params.dec.is_secondary_output =
596 			inst->opb_buftype == HFI_BUFFER_OUTPUT2;
597 		params.dec.is_interlaced =
598 			inst->pic_struct != HFI_INTERLACE_FRAME_PROGRESSIVE ?
599 				true : false;
600 	} else {
601 		params.width = inst->out_width;
602 		params.height = inst->out_height;
603 		params.codec = inst->fmt_cap->pixfmt;
604 		params.hfi_color_fmt = to_hfi_raw_fmt(inst->fmt_out->pixfmt);
605 		params.enc.work_mode = VIDC_WORK_MODE_2;
606 		params.enc.rc_type = HFI_RATE_CONTROL_OFF;
607 		if (enc_ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
608 			params.enc.rc_type = HFI_RATE_CONTROL_CQ;
609 		params.enc.num_b_frames = enc_ctr->num_b_frames;
610 		params.enc.is_tenbit = inst->bit_depth == VIDC_BITDEPTH_10;
611 	}
612 
613 	return hfi_plat->bufreq(&params, inst->session_type, buftype, req);
614 }
615 
616 int venus_helper_get_bufreq(struct venus_inst *inst, u32 type,
617 			    struct hfi_buffer_requirements *req)
618 {
619 	u32 ptype = HFI_PROPERTY_CONFIG_BUFFER_REQUIREMENTS;
620 	union hfi_get_property hprop;
621 	unsigned int i;
622 	int ret;
623 
624 	if (req)
625 		memset(req, 0, sizeof(*req));
626 
627 	ret = platform_get_bufreq(inst, type, req);
628 	if (!ret)
629 		return 0;
630 
631 	ret = hfi_session_get_property(inst, ptype, &hprop);
632 	if (ret)
633 		return ret;
634 
635 	ret = -EINVAL;
636 
637 	for (i = 0; i < HFI_BUFFER_TYPE_MAX; i++) {
638 		if (hprop.bufreq[i].type != type)
639 			continue;
640 
641 		if (req)
642 			memcpy(req, &hprop.bufreq[i], sizeof(*req));
643 		ret = 0;
644 		break;
645 	}
646 
647 	return ret;
648 }
649 EXPORT_SYMBOL_GPL(venus_helper_get_bufreq);
650 
651 struct id_mapping {
652 	u32 hfi_id;
653 	u32 v4l2_id;
654 };
655 
656 static const struct id_mapping mpeg4_profiles[] = {
657 	{ HFI_MPEG4_PROFILE_SIMPLE, V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE },
658 	{ HFI_MPEG4_PROFILE_ADVANCEDSIMPLE, V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE },
659 };
660 
661 static const struct id_mapping mpeg4_levels[] = {
662 	{ HFI_MPEG4_LEVEL_0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0 },
663 	{ HFI_MPEG4_LEVEL_0b, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B },
664 	{ HFI_MPEG4_LEVEL_1, V4L2_MPEG_VIDEO_MPEG4_LEVEL_1 },
665 	{ HFI_MPEG4_LEVEL_2, V4L2_MPEG_VIDEO_MPEG4_LEVEL_2 },
666 	{ HFI_MPEG4_LEVEL_3, V4L2_MPEG_VIDEO_MPEG4_LEVEL_3 },
667 	{ HFI_MPEG4_LEVEL_4, V4L2_MPEG_VIDEO_MPEG4_LEVEL_4 },
668 	{ HFI_MPEG4_LEVEL_5, V4L2_MPEG_VIDEO_MPEG4_LEVEL_5 },
669 };
670 
671 static const struct id_mapping mpeg2_profiles[] = {
672 	{ HFI_MPEG2_PROFILE_SIMPLE, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SIMPLE },
673 	{ HFI_MPEG2_PROFILE_MAIN, V4L2_MPEG_VIDEO_MPEG2_PROFILE_MAIN },
674 	{ HFI_MPEG2_PROFILE_SNR, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SNR_SCALABLE },
675 	{ HFI_MPEG2_PROFILE_SPATIAL, V4L2_MPEG_VIDEO_MPEG2_PROFILE_SPATIALLY_SCALABLE },
676 	{ HFI_MPEG2_PROFILE_HIGH, V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH },
677 };
678 
679 static const struct id_mapping mpeg2_levels[] = {
680 	{ HFI_MPEG2_LEVEL_LL, V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW },
681 	{ HFI_MPEG2_LEVEL_ML, V4L2_MPEG_VIDEO_MPEG2_LEVEL_MAIN },
682 	{ HFI_MPEG2_LEVEL_H14, V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH_1440 },
683 	{ HFI_MPEG2_LEVEL_HL, V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH },
684 };
685 
686 static const struct id_mapping h264_profiles[] = {
687 	{ HFI_H264_PROFILE_BASELINE, V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE },
688 	{ HFI_H264_PROFILE_MAIN, V4L2_MPEG_VIDEO_H264_PROFILE_MAIN },
689 	{ HFI_H264_PROFILE_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH },
690 	{ HFI_H264_PROFILE_STEREO_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH },
691 	{ HFI_H264_PROFILE_MULTIVIEW_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH },
692 	{ HFI_H264_PROFILE_CONSTRAINED_BASE, V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE },
693 	{ HFI_H264_PROFILE_CONSTRAINED_HIGH, V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH },
694 };
695 
696 static const struct id_mapping h264_levels[] = {
697 	{ HFI_H264_LEVEL_1, V4L2_MPEG_VIDEO_H264_LEVEL_1_0 },
698 	{ HFI_H264_LEVEL_1b, V4L2_MPEG_VIDEO_H264_LEVEL_1B },
699 	{ HFI_H264_LEVEL_11, V4L2_MPEG_VIDEO_H264_LEVEL_1_1 },
700 	{ HFI_H264_LEVEL_12, V4L2_MPEG_VIDEO_H264_LEVEL_1_2 },
701 	{ HFI_H264_LEVEL_13, V4L2_MPEG_VIDEO_H264_LEVEL_1_3 },
702 	{ HFI_H264_LEVEL_2, V4L2_MPEG_VIDEO_H264_LEVEL_2_0 },
703 	{ HFI_H264_LEVEL_21, V4L2_MPEG_VIDEO_H264_LEVEL_2_1 },
704 	{ HFI_H264_LEVEL_22, V4L2_MPEG_VIDEO_H264_LEVEL_2_2 },
705 	{ HFI_H264_LEVEL_3, V4L2_MPEG_VIDEO_H264_LEVEL_3_0 },
706 	{ HFI_H264_LEVEL_31, V4L2_MPEG_VIDEO_H264_LEVEL_3_1 },
707 	{ HFI_H264_LEVEL_32, V4L2_MPEG_VIDEO_H264_LEVEL_3_2 },
708 	{ HFI_H264_LEVEL_4, V4L2_MPEG_VIDEO_H264_LEVEL_4_0 },
709 	{ HFI_H264_LEVEL_41, V4L2_MPEG_VIDEO_H264_LEVEL_4_1 },
710 	{ HFI_H264_LEVEL_42, V4L2_MPEG_VIDEO_H264_LEVEL_4_2 },
711 	{ HFI_H264_LEVEL_5, V4L2_MPEG_VIDEO_H264_LEVEL_5_0 },
712 	{ HFI_H264_LEVEL_51, V4L2_MPEG_VIDEO_H264_LEVEL_5_1 },
713 	{ HFI_H264_LEVEL_52, V4L2_MPEG_VIDEO_H264_LEVEL_5_1 },
714 };
715 
716 static const struct id_mapping hevc_profiles[] = {
717 	{ HFI_HEVC_PROFILE_MAIN, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN },
718 	{ HFI_HEVC_PROFILE_MAIN_STILL_PIC, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE },
719 	{ HFI_HEVC_PROFILE_MAIN10, V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10 },
720 };
721 
722 static const struct id_mapping hevc_levels[] = {
723 	{ HFI_HEVC_LEVEL_1, V4L2_MPEG_VIDEO_HEVC_LEVEL_1 },
724 	{ HFI_HEVC_LEVEL_2, V4L2_MPEG_VIDEO_HEVC_LEVEL_2 },
725 	{ HFI_HEVC_LEVEL_21, V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1 },
726 	{ HFI_HEVC_LEVEL_3, V4L2_MPEG_VIDEO_HEVC_LEVEL_3 },
727 	{ HFI_HEVC_LEVEL_31, V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1 },
728 	{ HFI_HEVC_LEVEL_4, V4L2_MPEG_VIDEO_HEVC_LEVEL_4 },
729 	{ HFI_HEVC_LEVEL_41, V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1 },
730 	{ HFI_HEVC_LEVEL_5, V4L2_MPEG_VIDEO_HEVC_LEVEL_5 },
731 	{ HFI_HEVC_LEVEL_51, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1 },
732 	{ HFI_HEVC_LEVEL_52, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2 },
733 	{ HFI_HEVC_LEVEL_6, V4L2_MPEG_VIDEO_HEVC_LEVEL_6 },
734 	{ HFI_HEVC_LEVEL_61, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1 },
735 	{ HFI_HEVC_LEVEL_62, V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2 },
736 };
737 
738 static const struct id_mapping vp8_profiles[] = {
739 	{ HFI_VPX_PROFILE_VERSION_0, V4L2_MPEG_VIDEO_VP8_PROFILE_0 },
740 	{ HFI_VPX_PROFILE_VERSION_1, V4L2_MPEG_VIDEO_VP8_PROFILE_1 },
741 	{ HFI_VPX_PROFILE_VERSION_2, V4L2_MPEG_VIDEO_VP8_PROFILE_2 },
742 	{ HFI_VPX_PROFILE_VERSION_3, V4L2_MPEG_VIDEO_VP8_PROFILE_3 },
743 };
744 
745 static const struct id_mapping vp9_profiles[] = {
746 	{ HFI_VP9_PROFILE_P0, V4L2_MPEG_VIDEO_VP9_PROFILE_0 },
747 	{ HFI_VP9_PROFILE_P2_10B, V4L2_MPEG_VIDEO_VP9_PROFILE_2 },
748 };
749 
750 static const struct id_mapping vp9_levels[] = {
751 	{ HFI_VP9_LEVEL_1, V4L2_MPEG_VIDEO_VP9_LEVEL_1_0 },
752 	{ HFI_VP9_LEVEL_11, V4L2_MPEG_VIDEO_VP9_LEVEL_1_1 },
753 	{ HFI_VP9_LEVEL_2, V4L2_MPEG_VIDEO_VP9_LEVEL_2_0},
754 	{ HFI_VP9_LEVEL_21, V4L2_MPEG_VIDEO_VP9_LEVEL_2_1 },
755 	{ HFI_VP9_LEVEL_3, V4L2_MPEG_VIDEO_VP9_LEVEL_3_0},
756 	{ HFI_VP9_LEVEL_31, V4L2_MPEG_VIDEO_VP9_LEVEL_3_1 },
757 	{ HFI_VP9_LEVEL_4, V4L2_MPEG_VIDEO_VP9_LEVEL_4_0 },
758 	{ HFI_VP9_LEVEL_41, V4L2_MPEG_VIDEO_VP9_LEVEL_4_1 },
759 	{ HFI_VP9_LEVEL_5, V4L2_MPEG_VIDEO_VP9_LEVEL_5_0 },
760 	{ HFI_VP9_LEVEL_51, V4L2_MPEG_VIDEO_VP9_LEVEL_5_1 },
761 	{ HFI_VP9_LEVEL_6, V4L2_MPEG_VIDEO_VP9_LEVEL_6_0 },
762 	{ HFI_VP9_LEVEL_61, V4L2_MPEG_VIDEO_VP9_LEVEL_6_1 },
763 };
764 
765 static u32 find_v4l2_id(u32 hfi_id, const struct id_mapping *array, unsigned int array_sz)
766 {
767 	unsigned int i;
768 
769 	if (!array || !array_sz)
770 		return 0;
771 
772 	for (i = 0; i < array_sz; i++)
773 		if (hfi_id == array[i].hfi_id)
774 			return array[i].v4l2_id;
775 
776 	return 0;
777 }
778 
779 static u32 find_hfi_id(u32 v4l2_id, const struct id_mapping *array, unsigned int array_sz)
780 {
781 	unsigned int i;
782 
783 	if (!array || !array_sz)
784 		return 0;
785 
786 	for (i = 0; i < array_sz; i++)
787 		if (v4l2_id == array[i].v4l2_id)
788 			return array[i].hfi_id;
789 
790 	return 0;
791 }
792 
793 static void
794 v4l2_id_profile_level(u32 hfi_codec, struct hfi_profile_level *pl, u32 *profile, u32 *level)
795 {
796 	u32 hfi_pf = pl->profile;
797 	u32 hfi_lvl = pl->level;
798 
799 	switch (hfi_codec) {
800 	case HFI_VIDEO_CODEC_H264:
801 		*profile = find_v4l2_id(hfi_pf, h264_profiles, ARRAY_SIZE(h264_profiles));
802 		*level = find_v4l2_id(hfi_lvl, h264_levels, ARRAY_SIZE(h264_levels));
803 		break;
804 	case HFI_VIDEO_CODEC_MPEG2:
805 		*profile = find_v4l2_id(hfi_pf, mpeg2_profiles, ARRAY_SIZE(mpeg2_profiles));
806 		*level = find_v4l2_id(hfi_lvl, mpeg2_levels, ARRAY_SIZE(mpeg2_levels));
807 		break;
808 	case HFI_VIDEO_CODEC_MPEG4:
809 		*profile = find_v4l2_id(hfi_pf, mpeg4_profiles, ARRAY_SIZE(mpeg4_profiles));
810 		*level = find_v4l2_id(hfi_lvl, mpeg4_levels, ARRAY_SIZE(mpeg4_levels));
811 		break;
812 	case HFI_VIDEO_CODEC_VP8:
813 		*profile = find_v4l2_id(hfi_pf, vp8_profiles, ARRAY_SIZE(vp8_profiles));
814 		*level = 0;
815 		break;
816 	case HFI_VIDEO_CODEC_VP9:
817 		*profile = find_v4l2_id(hfi_pf, vp9_profiles, ARRAY_SIZE(vp9_profiles));
818 		*level = find_v4l2_id(hfi_lvl, vp9_levels, ARRAY_SIZE(vp9_levels));
819 		break;
820 	case HFI_VIDEO_CODEC_HEVC:
821 		*profile = find_v4l2_id(hfi_pf, hevc_profiles, ARRAY_SIZE(hevc_profiles));
822 		*level = find_v4l2_id(hfi_lvl, hevc_levels, ARRAY_SIZE(hevc_levels));
823 		break;
824 	default:
825 		break;
826 	}
827 }
828 
829 static void
830 hfi_id_profile_level(u32 hfi_codec, u32 v4l2_pf, u32 v4l2_lvl, struct hfi_profile_level *pl)
831 {
832 	switch (hfi_codec) {
833 	case HFI_VIDEO_CODEC_H264:
834 		pl->profile = find_hfi_id(v4l2_pf, h264_profiles, ARRAY_SIZE(h264_profiles));
835 		pl->level = find_hfi_id(v4l2_lvl, h264_levels, ARRAY_SIZE(h264_levels));
836 		break;
837 	case HFI_VIDEO_CODEC_MPEG2:
838 		pl->profile = find_hfi_id(v4l2_pf, mpeg2_profiles, ARRAY_SIZE(mpeg2_profiles));
839 		pl->level = find_hfi_id(v4l2_lvl, mpeg2_levels, ARRAY_SIZE(mpeg2_levels));
840 		break;
841 	case HFI_VIDEO_CODEC_MPEG4:
842 		pl->profile = find_hfi_id(v4l2_pf, mpeg4_profiles, ARRAY_SIZE(mpeg4_profiles));
843 		pl->level = find_hfi_id(v4l2_lvl, mpeg4_levels, ARRAY_SIZE(mpeg4_levels));
844 		break;
845 	case HFI_VIDEO_CODEC_VP8:
846 		pl->profile = find_hfi_id(v4l2_pf, vp8_profiles, ARRAY_SIZE(vp8_profiles));
847 		pl->level = 0;
848 		break;
849 	case HFI_VIDEO_CODEC_VP9:
850 		pl->profile = find_hfi_id(v4l2_pf, vp9_profiles, ARRAY_SIZE(vp9_profiles));
851 		pl->level = find_hfi_id(v4l2_lvl, vp9_levels, ARRAY_SIZE(vp9_levels));
852 		break;
853 	case HFI_VIDEO_CODEC_HEVC:
854 		pl->profile = find_hfi_id(v4l2_pf, hevc_profiles, ARRAY_SIZE(hevc_profiles));
855 		pl->level = find_hfi_id(v4l2_lvl, hevc_levels, ARRAY_SIZE(hevc_levels));
856 		break;
857 	default:
858 		break;
859 	}
860 }
861 
862 int venus_helper_get_profile_level(struct venus_inst *inst, u32 *profile, u32 *level)
863 {
864 	const u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
865 	union hfi_get_property hprop;
866 	int ret;
867 
868 	ret = hfi_session_get_property(inst, ptype, &hprop);
869 	if (ret)
870 		return ret;
871 
872 	v4l2_id_profile_level(inst->hfi_codec, &hprop.profile_level, profile, level);
873 
874 	return 0;
875 }
876 EXPORT_SYMBOL_GPL(venus_helper_get_profile_level);
877 
878 int venus_helper_set_profile_level(struct venus_inst *inst, u32 profile, u32 level)
879 {
880 	const u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
881 	struct hfi_profile_level pl;
882 
883 	hfi_id_profile_level(inst->hfi_codec, profile, level, &pl);
884 
885 	return hfi_session_set_property(inst, ptype, &pl);
886 }
887 EXPORT_SYMBOL_GPL(venus_helper_set_profile_level);
888 
889 static u32 get_framesize_raw_nv12(u32 width, u32 height)
890 {
891 	u32 y_stride, uv_stride, y_plane;
892 	u32 y_sclines, uv_sclines, uv_plane;
893 	u32 size;
894 
895 	y_stride = ALIGN(width, 128);
896 	uv_stride = ALIGN(width, 128);
897 	y_sclines = ALIGN(height, 32);
898 	uv_sclines = ALIGN(((height + 1) >> 1), 16);
899 
900 	y_plane = y_stride * y_sclines;
901 	uv_plane = uv_stride * uv_sclines + SZ_4K;
902 	size = y_plane + uv_plane + SZ_8K;
903 
904 	return ALIGN(size, SZ_4K);
905 }
906 
907 static u32 get_framesize_raw_nv12_ubwc(u32 width, u32 height)
908 {
909 	u32 y_meta_stride, y_meta_plane;
910 	u32 y_stride, y_plane;
911 	u32 uv_meta_stride, uv_meta_plane;
912 	u32 uv_stride, uv_plane;
913 	u32 extradata = SZ_16K;
914 
915 	y_meta_stride = ALIGN(DIV_ROUND_UP(width, 32), 64);
916 	y_meta_plane = y_meta_stride * ALIGN(DIV_ROUND_UP(height, 8), 16);
917 	y_meta_plane = ALIGN(y_meta_plane, SZ_4K);
918 
919 	y_stride = ALIGN(width, 128);
920 	y_plane = ALIGN(y_stride * ALIGN(height, 32), SZ_4K);
921 
922 	uv_meta_stride = ALIGN(DIV_ROUND_UP(width / 2, 16), 64);
923 	uv_meta_plane = uv_meta_stride * ALIGN(DIV_ROUND_UP(height / 2, 8), 16);
924 	uv_meta_plane = ALIGN(uv_meta_plane, SZ_4K);
925 
926 	uv_stride = ALIGN(width, 128);
927 	uv_plane = ALIGN(uv_stride * ALIGN(height / 2, 32), SZ_4K);
928 
929 	return ALIGN(y_meta_plane + y_plane + uv_meta_plane + uv_plane +
930 		     max(extradata, y_stride * 48), SZ_4K);
931 }
932 
933 static u32 get_framesize_raw_p010(u32 width, u32 height)
934 {
935 	u32 y_plane, uv_plane, y_stride, uv_stride, y_sclines, uv_sclines;
936 
937 	y_stride = ALIGN(width * 2, 256);
938 	uv_stride = ALIGN(width * 2, 256);
939 	y_sclines = ALIGN(height, 32);
940 	uv_sclines = ALIGN((height + 1) >> 1, 16);
941 	y_plane = y_stride * y_sclines;
942 	uv_plane = uv_stride * uv_sclines;
943 
944 	return ALIGN((y_plane + uv_plane), SZ_4K);
945 }
946 
947 static u32 get_framesize_raw_p010_ubwc(u32 width, u32 height)
948 {
949 	u32 y_stride, uv_stride, y_sclines, uv_sclines;
950 	u32 y_ubwc_plane, uv_ubwc_plane;
951 	u32 y_meta_stride, y_meta_scanlines;
952 	u32 uv_meta_stride, uv_meta_scanlines;
953 	u32 y_meta_plane, uv_meta_plane;
954 	u32 size;
955 
956 	y_stride = ALIGN(width * 2, 256);
957 	uv_stride = ALIGN(width * 2, 256);
958 	y_sclines = ALIGN(height, 16);
959 	uv_sclines = ALIGN((height + 1) >> 1, 16);
960 
961 	y_ubwc_plane = ALIGN(y_stride * y_sclines, SZ_4K);
962 	uv_ubwc_plane = ALIGN(uv_stride * uv_sclines, SZ_4K);
963 	y_meta_stride = ALIGN(DIV_ROUND_UP(width, 32), 64);
964 	y_meta_scanlines = ALIGN(DIV_ROUND_UP(height, 4), 16);
965 	y_meta_plane = ALIGN(y_meta_stride * y_meta_scanlines, SZ_4K);
966 	uv_meta_stride = ALIGN(DIV_ROUND_UP((width + 1) >> 1, 16), 64);
967 	uv_meta_scanlines = ALIGN(DIV_ROUND_UP((height + 1) >> 1, 4), 16);
968 	uv_meta_plane = ALIGN(uv_meta_stride * uv_meta_scanlines, SZ_4K);
969 
970 	size = y_ubwc_plane + uv_ubwc_plane + y_meta_plane + uv_meta_plane;
971 
972 	return ALIGN(size, SZ_4K);
973 }
974 
975 static u32 get_framesize_raw_yuv420_tp10_ubwc(u32 width, u32 height)
976 {
977 	u32 y_stride, uv_stride, y_sclines, uv_sclines;
978 	u32 y_ubwc_plane, uv_ubwc_plane;
979 	u32 y_meta_stride, y_meta_scanlines;
980 	u32 uv_meta_stride, uv_meta_scanlines;
981 	u32 y_meta_plane, uv_meta_plane;
982 	u32 extradata = SZ_16K;
983 	u32 size;
984 
985 	y_stride = ALIGN(ALIGN(width, 192) * 4 / 3, 256);
986 	uv_stride = ALIGN(ALIGN(width, 192) * 4 / 3, 256);
987 	y_sclines = ALIGN(height, 16);
988 	uv_sclines = ALIGN((height + 1) >> 1, 16);
989 
990 	y_ubwc_plane = ALIGN(y_stride * y_sclines, SZ_4K);
991 	uv_ubwc_plane = ALIGN(uv_stride * uv_sclines, SZ_4K);
992 	y_meta_stride = ALIGN(DIV_ROUND_UP(width, 48), 64);
993 	y_meta_scanlines = ALIGN(DIV_ROUND_UP(height, 4), 16);
994 	y_meta_plane = ALIGN(y_meta_stride * y_meta_scanlines, SZ_4K);
995 	uv_meta_stride = ALIGN(DIV_ROUND_UP((width + 1) >> 1, 24), 64);
996 	uv_meta_scanlines = ALIGN(DIV_ROUND_UP((height + 1) >> 1, 4), 16);
997 	uv_meta_plane = ALIGN(uv_meta_stride * uv_meta_scanlines, SZ_4K);
998 
999 	size = y_ubwc_plane + uv_ubwc_plane + y_meta_plane + uv_meta_plane;
1000 	size += max(extradata + SZ_8K, y_stride * 48);
1001 
1002 	return ALIGN(size, SZ_4K);
1003 }
1004 
1005 u32 venus_helper_get_framesz_raw(u32 hfi_fmt, u32 width, u32 height)
1006 {
1007 	switch (hfi_fmt) {
1008 	case HFI_COLOR_FORMAT_NV12:
1009 	case HFI_COLOR_FORMAT_NV21:
1010 		return get_framesize_raw_nv12(width, height);
1011 	case HFI_COLOR_FORMAT_NV12_UBWC:
1012 		return get_framesize_raw_nv12_ubwc(width, height);
1013 	case HFI_COLOR_FORMAT_P010:
1014 		return get_framesize_raw_p010(width, height);
1015 	case HFI_COLOR_FORMAT_P010_UBWC:
1016 		return get_framesize_raw_p010_ubwc(width, height);
1017 	case HFI_COLOR_FORMAT_YUV420_TP10_UBWC:
1018 		return get_framesize_raw_yuv420_tp10_ubwc(width, height);
1019 	default:
1020 		return 0;
1021 	}
1022 }
1023 EXPORT_SYMBOL_GPL(venus_helper_get_framesz_raw);
1024 
1025 u32 venus_helper_get_framesz(u32 v4l2_fmt, u32 width, u32 height)
1026 {
1027 	u32 hfi_fmt, sz;
1028 	bool compressed;
1029 
1030 	switch (v4l2_fmt) {
1031 	case V4L2_PIX_FMT_MPEG:
1032 	case V4L2_PIX_FMT_H264:
1033 	case V4L2_PIX_FMT_H264_NO_SC:
1034 	case V4L2_PIX_FMT_H264_MVC:
1035 	case V4L2_PIX_FMT_H263:
1036 	case V4L2_PIX_FMT_MPEG1:
1037 	case V4L2_PIX_FMT_MPEG2:
1038 	case V4L2_PIX_FMT_MPEG4:
1039 	case V4L2_PIX_FMT_XVID:
1040 	case V4L2_PIX_FMT_VC1_ANNEX_G:
1041 	case V4L2_PIX_FMT_VC1_ANNEX_L:
1042 	case V4L2_PIX_FMT_VP8:
1043 	case V4L2_PIX_FMT_VP9:
1044 	case V4L2_PIX_FMT_HEVC:
1045 		compressed = true;
1046 		break;
1047 	default:
1048 		compressed = false;
1049 		break;
1050 	}
1051 
1052 	if (compressed) {
1053 		sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2;
1054 		if (width < 1280 || height < 720)
1055 			sz *= 8;
1056 		return ALIGN(sz, SZ_4K);
1057 	}
1058 
1059 	hfi_fmt = to_hfi_raw_fmt(v4l2_fmt);
1060 	if (!hfi_fmt)
1061 		return 0;
1062 
1063 	return venus_helper_get_framesz_raw(hfi_fmt, width, height);
1064 }
1065 EXPORT_SYMBOL_GPL(venus_helper_get_framesz);
1066 
1067 int venus_helper_set_input_resolution(struct venus_inst *inst,
1068 				      unsigned int width, unsigned int height)
1069 {
1070 	u32 ptype = HFI_PROPERTY_PARAM_FRAME_SIZE;
1071 	struct hfi_framesize fs;
1072 
1073 	fs.buffer_type = HFI_BUFFER_INPUT;
1074 	fs.width = width;
1075 	fs.height = height;
1076 
1077 	return hfi_session_set_property(inst, ptype, &fs);
1078 }
1079 EXPORT_SYMBOL_GPL(venus_helper_set_input_resolution);
1080 
1081 int venus_helper_set_output_resolution(struct venus_inst *inst,
1082 				       unsigned int width, unsigned int height,
1083 				       u32 buftype)
1084 {
1085 	u32 ptype = HFI_PROPERTY_PARAM_FRAME_SIZE;
1086 	struct hfi_framesize fs;
1087 
1088 	fs.buffer_type = buftype;
1089 	fs.width = width;
1090 	fs.height = height;
1091 
1092 	return hfi_session_set_property(inst, ptype, &fs);
1093 }
1094 EXPORT_SYMBOL_GPL(venus_helper_set_output_resolution);
1095 
1096 static u32 venus_helper_get_work_mode(struct venus_inst *inst)
1097 {
1098 	u32 mode;
1099 	u32 num_mbs;
1100 
1101 	mode = VIDC_WORK_MODE_2;
1102 	if (inst->session_type == VIDC_SESSION_TYPE_DEC) {
1103 		num_mbs = (ALIGN(inst->height, 16) * ALIGN(inst->width, 16)) / 256;
1104 		if (inst->hfi_codec == HFI_VIDEO_CODEC_MPEG2 ||
1105 		    inst->pic_struct != HFI_INTERLACE_FRAME_PROGRESSIVE ||
1106 		    num_mbs <= NUM_MBS_720P)
1107 			mode = VIDC_WORK_MODE_1;
1108 	} else {
1109 		num_mbs = (ALIGN(inst->out_height, 16) * ALIGN(inst->out_width, 16)) / 256;
1110 		if (inst->hfi_codec == HFI_VIDEO_CODEC_VP8 &&
1111 		    num_mbs <= NUM_MBS_4K)
1112 			mode = VIDC_WORK_MODE_1;
1113 	}
1114 
1115 	return mode;
1116 }
1117 
1118 int venus_helper_set_work_mode(struct venus_inst *inst)
1119 {
1120 	const u32 ptype = HFI_PROPERTY_PARAM_WORK_MODE;
1121 	struct hfi_video_work_mode wm;
1122 	u32 mode;
1123 
1124 	if (!IS_V4(inst->core) && !IS_V6(inst->core))
1125 		return 0;
1126 
1127 	mode = venus_helper_get_work_mode(inst);
1128 	wm.video_work_mode = mode;
1129 	return hfi_session_set_property(inst, ptype, &wm);
1130 }
1131 EXPORT_SYMBOL_GPL(venus_helper_set_work_mode);
1132 
1133 int venus_helper_set_format_constraints(struct venus_inst *inst)
1134 {
1135 	const u32 ptype = HFI_PROPERTY_PARAM_UNCOMPRESSED_PLANE_ACTUAL_CONSTRAINTS_INFO;
1136 	struct hfi_uncompressed_plane_actual_constraints_info pconstraint;
1137 
1138 	if (!IS_V6(inst->core))
1139 		return 0;
1140 
1141 	pconstraint.buffer_type = HFI_BUFFER_OUTPUT2;
1142 	pconstraint.num_planes = 2;
1143 	pconstraint.plane_format[0].stride_multiples = 128;
1144 	pconstraint.plane_format[0].max_stride = 8192;
1145 	pconstraint.plane_format[0].min_plane_buffer_height_multiple = 32;
1146 	pconstraint.plane_format[0].buffer_alignment = 256;
1147 
1148 	pconstraint.plane_format[1].stride_multiples = 128;
1149 	pconstraint.plane_format[1].max_stride = 8192;
1150 	pconstraint.plane_format[1].min_plane_buffer_height_multiple = 16;
1151 	pconstraint.plane_format[1].buffer_alignment = 256;
1152 
1153 	return hfi_session_set_property(inst, ptype, &pconstraint);
1154 }
1155 EXPORT_SYMBOL_GPL(venus_helper_set_format_constraints);
1156 
1157 int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs,
1158 			      unsigned int output_bufs,
1159 			      unsigned int output2_bufs)
1160 {
1161 	u32 ptype = HFI_PROPERTY_PARAM_BUFFER_COUNT_ACTUAL;
1162 	struct hfi_buffer_count_actual buf_count;
1163 	int ret;
1164 
1165 	buf_count.type = HFI_BUFFER_INPUT;
1166 	buf_count.count_actual = input_bufs;
1167 
1168 	ret = hfi_session_set_property(inst, ptype, &buf_count);
1169 	if (ret)
1170 		return ret;
1171 
1172 	buf_count.type = HFI_BUFFER_OUTPUT;
1173 	buf_count.count_actual = output_bufs;
1174 
1175 	ret = hfi_session_set_property(inst, ptype, &buf_count);
1176 	if (ret)
1177 		return ret;
1178 
1179 	if (output2_bufs) {
1180 		buf_count.type = HFI_BUFFER_OUTPUT2;
1181 		buf_count.count_actual = output2_bufs;
1182 
1183 		ret = hfi_session_set_property(inst, ptype, &buf_count);
1184 	}
1185 
1186 	return ret;
1187 }
1188 EXPORT_SYMBOL_GPL(venus_helper_set_num_bufs);
1189 
1190 int venus_helper_set_raw_format(struct venus_inst *inst, u32 hfi_format,
1191 				u32 buftype)
1192 {
1193 	const u32 ptype = HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SELECT;
1194 	struct hfi_uncompressed_format_select fmt;
1195 
1196 	fmt.buffer_type = buftype;
1197 	fmt.format = hfi_format;
1198 
1199 	return hfi_session_set_property(inst, ptype, &fmt);
1200 }
1201 EXPORT_SYMBOL_GPL(venus_helper_set_raw_format);
1202 
1203 int venus_helper_set_color_format(struct venus_inst *inst, u32 pixfmt)
1204 {
1205 	u32 hfi_format, buftype;
1206 
1207 	if (inst->session_type == VIDC_SESSION_TYPE_DEC)
1208 		buftype = HFI_BUFFER_OUTPUT;
1209 	else if (inst->session_type == VIDC_SESSION_TYPE_ENC)
1210 		buftype = HFI_BUFFER_INPUT;
1211 	else
1212 		return -EINVAL;
1213 
1214 	hfi_format = to_hfi_raw_fmt(pixfmt);
1215 	if (!hfi_format)
1216 		return -EINVAL;
1217 
1218 	return venus_helper_set_raw_format(inst, hfi_format, buftype);
1219 }
1220 EXPORT_SYMBOL_GPL(venus_helper_set_color_format);
1221 
1222 int venus_helper_set_multistream(struct venus_inst *inst, bool out_en,
1223 				 bool out2_en)
1224 {
1225 	struct hfi_multi_stream multi = {0};
1226 	u32 ptype = HFI_PROPERTY_PARAM_VDEC_MULTI_STREAM;
1227 	int ret;
1228 
1229 	multi.buffer_type = HFI_BUFFER_OUTPUT;
1230 	multi.enable = out_en;
1231 
1232 	ret = hfi_session_set_property(inst, ptype, &multi);
1233 	if (ret)
1234 		return ret;
1235 
1236 	multi.buffer_type = HFI_BUFFER_OUTPUT2;
1237 	multi.enable = out2_en;
1238 
1239 	return hfi_session_set_property(inst, ptype, &multi);
1240 }
1241 EXPORT_SYMBOL_GPL(venus_helper_set_multistream);
1242 
1243 int venus_helper_set_dyn_bufmode(struct venus_inst *inst)
1244 {
1245 	const u32 ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE;
1246 	struct hfi_buffer_alloc_mode mode;
1247 	int ret;
1248 
1249 	if (!is_dynamic_bufmode(inst))
1250 		return 0;
1251 
1252 	mode.type = HFI_BUFFER_OUTPUT;
1253 	mode.mode = HFI_BUFFER_MODE_DYNAMIC;
1254 
1255 	ret = hfi_session_set_property(inst, ptype, &mode);
1256 	if (ret)
1257 		return ret;
1258 
1259 	mode.type = HFI_BUFFER_OUTPUT2;
1260 
1261 	return hfi_session_set_property(inst, ptype, &mode);
1262 }
1263 EXPORT_SYMBOL_GPL(venus_helper_set_dyn_bufmode);
1264 
1265 int venus_helper_set_bufsize(struct venus_inst *inst, u32 bufsize, u32 buftype)
1266 {
1267 	const u32 ptype = HFI_PROPERTY_PARAM_BUFFER_SIZE_ACTUAL;
1268 	struct hfi_buffer_size_actual bufsz;
1269 
1270 	bufsz.type = buftype;
1271 	bufsz.size = bufsize;
1272 
1273 	return hfi_session_set_property(inst, ptype, &bufsz);
1274 }
1275 EXPORT_SYMBOL_GPL(venus_helper_set_bufsize);
1276 
1277 unsigned int venus_helper_get_opb_size(struct venus_inst *inst)
1278 {
1279 	/* the encoder has only one output */
1280 	if (inst->session_type == VIDC_SESSION_TYPE_ENC)
1281 		return inst->output_buf_size;
1282 
1283 	if (inst->opb_buftype == HFI_BUFFER_OUTPUT)
1284 		return inst->output_buf_size;
1285 	else if (inst->opb_buftype == HFI_BUFFER_OUTPUT2)
1286 		return inst->output2_buf_size;
1287 
1288 	return 0;
1289 }
1290 EXPORT_SYMBOL_GPL(venus_helper_get_opb_size);
1291 
1292 static void delayed_process_buf_func(struct work_struct *work)
1293 {
1294 	struct venus_buffer *buf, *n;
1295 	struct venus_inst *inst;
1296 	int ret;
1297 
1298 	inst = container_of(work, struct venus_inst, delayed_process_work);
1299 
1300 	mutex_lock(&inst->lock);
1301 
1302 	if (!(inst->streamon_out & inst->streamon_cap))
1303 		goto unlock;
1304 
1305 	list_for_each_entry_safe(buf, n, &inst->delayed_process, ref_list) {
1306 		if (buf->flags & HFI_BUFFERFLAG_READONLY)
1307 			continue;
1308 
1309 		ret = session_process_buf(inst, &buf->vb);
1310 		if (ret)
1311 			return_buf_error(inst, &buf->vb);
1312 
1313 		list_del_init(&buf->ref_list);
1314 	}
1315 unlock:
1316 	mutex_unlock(&inst->lock);
1317 }
1318 
1319 void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx)
1320 {
1321 	struct venus_buffer *buf;
1322 
1323 	list_for_each_entry(buf, &inst->registeredbufs, reg_list) {
1324 		if (buf->vb.vb2_buf.index == idx) {
1325 			buf->flags &= ~HFI_BUFFERFLAG_READONLY;
1326 			schedule_work(&inst->delayed_process_work);
1327 			break;
1328 		}
1329 	}
1330 }
1331 EXPORT_SYMBOL_GPL(venus_helper_release_buf_ref);
1332 
1333 void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf)
1334 {
1335 	struct venus_buffer *buf = to_venus_buffer(vbuf);
1336 
1337 	buf->flags |= HFI_BUFFERFLAG_READONLY;
1338 }
1339 EXPORT_SYMBOL_GPL(venus_helper_acquire_buf_ref);
1340 
1341 static int is_buf_refed(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
1342 {
1343 	struct venus_buffer *buf = to_venus_buffer(vbuf);
1344 
1345 	if (buf->flags & HFI_BUFFERFLAG_READONLY) {
1346 		list_add_tail(&buf->ref_list, &inst->delayed_process);
1347 		schedule_work(&inst->delayed_process_work);
1348 		return 1;
1349 	}
1350 
1351 	return 0;
1352 }
1353 
1354 struct vb2_v4l2_buffer *
1355 venus_helper_find_buf(struct venus_inst *inst, unsigned int type, u32 idx)
1356 {
1357 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1358 
1359 	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1360 		return v4l2_m2m_src_buf_remove_by_idx(m2m_ctx, idx);
1361 	else
1362 		return v4l2_m2m_dst_buf_remove_by_idx(m2m_ctx, idx);
1363 }
1364 EXPORT_SYMBOL_GPL(venus_helper_find_buf);
1365 
1366 int venus_helper_vb2_buf_init(struct vb2_buffer *vb)
1367 {
1368 	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1369 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1370 	struct venus_buffer *buf = to_venus_buffer(vbuf);
1371 
1372 	buf->size = vb2_plane_size(vb, 0);
1373 	buf->dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
1374 
1375 	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1376 		list_add_tail(&buf->reg_list, &inst->registeredbufs);
1377 
1378 	return 0;
1379 }
1380 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_init);
1381 
1382 int venus_helper_vb2_buf_prepare(struct vb2_buffer *vb)
1383 {
1384 	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1385 	unsigned int out_buf_size = venus_helper_get_opb_size(inst);
1386 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1387 
1388 	if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
1389 		if (vbuf->field == V4L2_FIELD_ANY)
1390 			vbuf->field = V4L2_FIELD_NONE;
1391 		if (vbuf->field != V4L2_FIELD_NONE) {
1392 			dev_err(inst->core->dev, "%s field isn't supported\n",
1393 				__func__);
1394 			return -EINVAL;
1395 		}
1396 	}
1397 
1398 	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1399 	    vb2_plane_size(vb, 0) < out_buf_size)
1400 		return -EINVAL;
1401 	if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1402 	    vb2_plane_size(vb, 0) < inst->input_buf_size)
1403 		return -EINVAL;
1404 
1405 	return 0;
1406 }
1407 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_prepare);
1408 
1409 static void cache_payload(struct venus_inst *inst, struct vb2_buffer *vb)
1410 {
1411 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1412 	unsigned int idx = vbuf->vb2_buf.index;
1413 
1414 	if (vbuf->vb2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1415 		inst->payloads[idx] = vb2_get_plane_payload(vb, 0);
1416 }
1417 
1418 void venus_helper_vb2_buf_queue(struct vb2_buffer *vb)
1419 {
1420 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1421 	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1422 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1423 	int ret;
1424 
1425 	v4l2_m2m_buf_queue(m2m_ctx, vbuf);
1426 
1427 	/* Skip processing queued capture buffers after LAST flag */
1428 	if (inst->session_type == VIDC_SESSION_TYPE_DEC &&
1429 	    V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) &&
1430 	    inst->codec_state == VENUS_DEC_STATE_DRC)
1431 		return;
1432 
1433 	cache_payload(inst, vb);
1434 
1435 	if (inst->session_type == VIDC_SESSION_TYPE_ENC &&
1436 	    !(inst->streamon_out && inst->streamon_cap))
1437 		return;
1438 
1439 	if (vb2_start_streaming_called(vb->vb2_queue)) {
1440 		ret = is_buf_refed(inst, vbuf);
1441 		if (ret)
1442 			return;
1443 
1444 		ret = session_process_buf(inst, vbuf);
1445 		if (ret)
1446 			return_buf_error(inst, vbuf);
1447 	}
1448 }
1449 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_queue);
1450 
1451 void venus_helper_buffers_done(struct venus_inst *inst, unsigned int type,
1452 			       enum vb2_buffer_state state)
1453 {
1454 	struct vb2_v4l2_buffer *buf;
1455 
1456 	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1457 		while ((buf = v4l2_m2m_src_buf_remove(inst->m2m_ctx)))
1458 			v4l2_m2m_buf_done(buf, state);
1459 	} else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1460 		while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
1461 			v4l2_m2m_buf_done(buf, state);
1462 	}
1463 }
1464 EXPORT_SYMBOL_GPL(venus_helper_buffers_done);
1465 
1466 void venus_helper_vb2_stop_streaming(struct vb2_queue *q)
1467 {
1468 	struct venus_inst *inst = vb2_get_drv_priv(q);
1469 	struct venus_core *core = inst->core;
1470 	int ret;
1471 
1472 	mutex_lock(&inst->lock);
1473 
1474 	if (inst->streamon_out & inst->streamon_cap) {
1475 		ret = hfi_session_stop(inst);
1476 		ret |= hfi_session_unload_res(inst);
1477 		ret |= venus_helper_unregister_bufs(inst);
1478 		ret |= venus_helper_intbufs_free(inst);
1479 		ret |= hfi_session_deinit(inst);
1480 
1481 		if (inst->session_error || core->sys_error)
1482 			ret = -EIO;
1483 
1484 		if (ret)
1485 			hfi_session_abort(inst);
1486 
1487 		venus_helper_free_dpb_bufs(inst);
1488 
1489 		venus_pm_load_scale(inst);
1490 		INIT_LIST_HEAD(&inst->registeredbufs);
1491 	}
1492 
1493 	venus_helper_buffers_done(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
1494 				  VB2_BUF_STATE_ERROR);
1495 	venus_helper_buffers_done(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
1496 				  VB2_BUF_STATE_ERROR);
1497 
1498 	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1499 		inst->streamon_out = 0;
1500 	else
1501 		inst->streamon_cap = 0;
1502 
1503 	venus_pm_release_core(inst);
1504 
1505 	mutex_unlock(&inst->lock);
1506 }
1507 EXPORT_SYMBOL_GPL(venus_helper_vb2_stop_streaming);
1508 
1509 int venus_helper_process_initial_cap_bufs(struct venus_inst *inst)
1510 {
1511 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1512 	struct v4l2_m2m_buffer *buf, *n;
1513 	int ret;
1514 
1515 	v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buf, n) {
1516 		ret = session_process_buf(inst, &buf->vb);
1517 		if (ret) {
1518 			return_buf_error(inst, &buf->vb);
1519 			return ret;
1520 		}
1521 	}
1522 
1523 	return 0;
1524 }
1525 EXPORT_SYMBOL_GPL(venus_helper_process_initial_cap_bufs);
1526 
1527 int venus_helper_process_initial_out_bufs(struct venus_inst *inst)
1528 {
1529 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1530 	struct v4l2_m2m_buffer *buf, *n;
1531 	int ret;
1532 
1533 	v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buf, n) {
1534 		ret = session_process_buf(inst, &buf->vb);
1535 		if (ret) {
1536 			return_buf_error(inst, &buf->vb);
1537 			return ret;
1538 		}
1539 	}
1540 
1541 	return 0;
1542 }
1543 EXPORT_SYMBOL_GPL(venus_helper_process_initial_out_bufs);
1544 
1545 int venus_helper_vb2_start_streaming(struct venus_inst *inst)
1546 {
1547 	int ret;
1548 
1549 	ret = venus_helper_intbufs_alloc(inst);
1550 	if (ret)
1551 		return ret;
1552 
1553 	ret = session_register_bufs(inst);
1554 	if (ret)
1555 		goto err_bufs_free;
1556 
1557 	venus_pm_load_scale(inst);
1558 
1559 	ret = hfi_session_load_res(inst);
1560 	if (ret)
1561 		goto err_unreg_bufs;
1562 
1563 	ret = hfi_session_start(inst);
1564 	if (ret)
1565 		goto err_unload_res;
1566 
1567 	return 0;
1568 
1569 err_unload_res:
1570 	hfi_session_unload_res(inst);
1571 err_unreg_bufs:
1572 	venus_helper_unregister_bufs(inst);
1573 err_bufs_free:
1574 	venus_helper_intbufs_free(inst);
1575 	return ret;
1576 }
1577 EXPORT_SYMBOL_GPL(venus_helper_vb2_start_streaming);
1578 
1579 void venus_helper_m2m_device_run(void *priv)
1580 {
1581 	struct venus_inst *inst = priv;
1582 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
1583 	struct v4l2_m2m_buffer *buf, *n;
1584 	int ret;
1585 
1586 	mutex_lock(&inst->lock);
1587 
1588 	v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buf, n) {
1589 		ret = session_process_buf(inst, &buf->vb);
1590 		if (ret)
1591 			return_buf_error(inst, &buf->vb);
1592 	}
1593 
1594 	v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buf, n) {
1595 		ret = session_process_buf(inst, &buf->vb);
1596 		if (ret)
1597 			return_buf_error(inst, &buf->vb);
1598 	}
1599 
1600 	mutex_unlock(&inst->lock);
1601 }
1602 EXPORT_SYMBOL_GPL(venus_helper_m2m_device_run);
1603 
1604 void venus_helper_m2m_job_abort(void *priv)
1605 {
1606 	struct venus_inst *inst = priv;
1607 
1608 	v4l2_m2m_job_finish(inst->m2m_dev, inst->m2m_ctx);
1609 }
1610 EXPORT_SYMBOL_GPL(venus_helper_m2m_job_abort);
1611 
1612 int venus_helper_session_init(struct venus_inst *inst)
1613 {
1614 	enum hfi_version version = inst->core->res->hfi_version;
1615 	u32 session_type = inst->session_type;
1616 	u32 codec;
1617 	int ret;
1618 
1619 	codec = inst->session_type == VIDC_SESSION_TYPE_DEC ?
1620 			inst->fmt_out->pixfmt : inst->fmt_cap->pixfmt;
1621 
1622 	ret = hfi_session_init(inst, codec);
1623 	if (ret)
1624 		return ret;
1625 
1626 	inst->clk_data.vpp_freq = hfi_platform_get_codec_vpp_freq(version, codec,
1627 								  session_type);
1628 	inst->clk_data.vsp_freq = hfi_platform_get_codec_vsp_freq(version, codec,
1629 								  session_type);
1630 
1631 	return 0;
1632 }
1633 EXPORT_SYMBOL_GPL(venus_helper_session_init);
1634 
1635 void venus_helper_init_instance(struct venus_inst *inst)
1636 {
1637 	if (inst->session_type == VIDC_SESSION_TYPE_DEC) {
1638 		INIT_LIST_HEAD(&inst->delayed_process);
1639 		INIT_WORK(&inst->delayed_process_work,
1640 			  delayed_process_buf_func);
1641 	}
1642 }
1643 EXPORT_SYMBOL_GPL(venus_helper_init_instance);
1644 
1645 static bool find_fmt_from_caps(struct hfi_plat_caps *caps, u32 buftype, u32 fmt)
1646 {
1647 	unsigned int i;
1648 
1649 	for (i = 0; i < caps->num_fmts; i++) {
1650 		if (caps->fmts[i].buftype == buftype &&
1651 		    caps->fmts[i].fmt == fmt)
1652 			return true;
1653 	}
1654 
1655 	return false;
1656 }
1657 
1658 int venus_helper_get_out_fmts(struct venus_inst *inst, u32 v4l2_fmt,
1659 			      u32 *out_fmt, u32 *out2_fmt, bool ubwc)
1660 {
1661 	struct venus_core *core = inst->core;
1662 	struct hfi_plat_caps *caps;
1663 	u32 ubwc_fmt, fmt = to_hfi_raw_fmt(v4l2_fmt);
1664 	bool found, found_ubwc;
1665 
1666 	*out_fmt = *out2_fmt = 0;
1667 
1668 	if (!fmt)
1669 		return -EINVAL;
1670 
1671 	caps = venus_caps_by_codec(core, inst->hfi_codec, inst->session_type);
1672 	if (!caps)
1673 		return -EINVAL;
1674 
1675 	if (inst->bit_depth == VIDC_BITDEPTH_10 &&
1676 	    inst->session_type == VIDC_SESSION_TYPE_DEC) {
1677 		found_ubwc =
1678 			find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT,
1679 					   HFI_COLOR_FORMAT_YUV420_TP10_UBWC);
1680 		found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2,
1681 					   HFI_COLOR_FORMAT_NV12);
1682 		if (found_ubwc && found) {
1683 			/*
1684 			 * Hard-code DPB buffers to be 10bit UBWC and decoder
1685 			 * output buffers in 8bit NV12 until V4L2 is able to
1686 			 * expose compressed/tiled formats to applications.
1687 			 */
1688 			*out_fmt = HFI_COLOR_FORMAT_YUV420_TP10_UBWC;
1689 			*out2_fmt = HFI_COLOR_FORMAT_NV12;
1690 			return 0;
1691 		}
1692 
1693 		return -EINVAL;
1694 	}
1695 
1696 	if (ubwc) {
1697 		ubwc_fmt = fmt | HFI_COLOR_FORMAT_UBWC_BASE;
1698 		found_ubwc = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT,
1699 						ubwc_fmt);
1700 		found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2, fmt);
1701 
1702 		if (found_ubwc && found) {
1703 			*out_fmt = ubwc_fmt;
1704 			*out2_fmt = fmt;
1705 			return 0;
1706 		}
1707 	}
1708 
1709 	found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT, fmt);
1710 	if (found) {
1711 		*out_fmt = fmt;
1712 		*out2_fmt = 0;
1713 		return 0;
1714 	}
1715 
1716 	found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2, fmt);
1717 	if (found) {
1718 		*out_fmt = 0;
1719 		*out2_fmt = fmt;
1720 		return 0;
1721 	}
1722 
1723 	return -EINVAL;
1724 }
1725 EXPORT_SYMBOL_GPL(venus_helper_get_out_fmts);
1726 
1727 int venus_helper_set_stride(struct venus_inst *inst,
1728 			    unsigned int width, unsigned int height)
1729 {
1730 	const u32 ptype = HFI_PROPERTY_PARAM_UNCOMPRESSED_PLANE_ACTUAL_INFO;
1731 
1732 	struct hfi_uncompressed_plane_actual_info plane_actual_info;
1733 
1734 	plane_actual_info.buffer_type = HFI_BUFFER_INPUT;
1735 	plane_actual_info.num_planes = 2;
1736 	plane_actual_info.plane_format[0].actual_stride = width;
1737 	plane_actual_info.plane_format[0].actual_plane_buffer_height = height;
1738 	plane_actual_info.plane_format[1].actual_stride = width;
1739 	plane_actual_info.plane_format[1].actual_plane_buffer_height = height / 2;
1740 
1741 	return hfi_session_set_property(inst, ptype, &plane_actual_info);
1742 }
1743 EXPORT_SYMBOL_GPL(venus_helper_set_stride);
1744