xref: /linux/drivers/media/platform/qcom/iris/iris_vidc.c (revision 07fdad3a93756b872da7b53647715c48d0f4a2d0)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
4  */
5 
6 #include <linux/pm_runtime.h>
7 #include <media/v4l2-event.h>
8 #include <media/v4l2-ioctl.h>
9 #include <media/v4l2-mem2mem.h>
10 #include <media/videobuf2-dma-contig.h>
11 
12 #include "iris_vidc.h"
13 #include "iris_instance.h"
14 #include "iris_vdec.h"
15 #include "iris_venc.h"
16 #include "iris_vb2.h"
17 #include "iris_vpu_buffer.h"
18 #include "iris_platform_common.h"
19 
20 #define IRIS_DRV_NAME "iris_driver"
21 #define IRIS_BUS_NAME "platform:iris_icc"
22 #define STEP_WIDTH 1
23 #define STEP_HEIGHT 1
24 
25 static void iris_v4l2_fh_init(struct iris_inst *inst, struct file *filp)
26 {
27 	if (inst->domain == ENCODER)
28 		v4l2_fh_init(&inst->fh, inst->core->vdev_enc);
29 	else if (inst->domain == DECODER)
30 		v4l2_fh_init(&inst->fh, inst->core->vdev_dec);
31 	inst->fh.ctrl_handler = &inst->ctrl_handler;
32 	v4l2_fh_add(&inst->fh, filp);
33 }
34 
35 static void iris_v4l2_fh_deinit(struct iris_inst *inst, struct file *filp)
36 {
37 	v4l2_fh_del(&inst->fh, filp);
38 	inst->fh.ctrl_handler = NULL;
39 	v4l2_fh_exit(&inst->fh);
40 }
41 
42 static void iris_add_session(struct iris_inst *inst)
43 {
44 	struct iris_core *core = inst->core;
45 	struct iris_inst *iter;
46 	u32 count = 0;
47 
48 	mutex_lock(&core->lock);
49 
50 	list_for_each_entry(iter, &core->instances, list)
51 		count++;
52 
53 	if (count < core->iris_platform_data->max_session_count)
54 		list_add_tail(&inst->list, &core->instances);
55 
56 	mutex_unlock(&core->lock);
57 }
58 
59 static void iris_remove_session(struct iris_inst *inst)
60 {
61 	struct iris_core *core = inst->core;
62 	struct iris_inst *iter, *temp;
63 
64 	mutex_lock(&core->lock);
65 	list_for_each_entry_safe(iter, temp, &core->instances, list) {
66 		if (iter->session_id == inst->session_id) {
67 			list_del_init(&iter->list);
68 			break;
69 		}
70 	}
71 	mutex_unlock(&core->lock);
72 }
73 
74 static inline struct iris_inst *iris_get_inst(struct file *filp)
75 {
76 	return container_of(file_to_v4l2_fh(filp), struct iris_inst, fh);
77 }
78 
79 static void iris_m2m_device_run(void *priv)
80 {
81 }
82 
83 static void iris_m2m_job_abort(void *priv)
84 {
85 	struct iris_inst *inst = priv;
86 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
87 
88 	v4l2_m2m_job_finish(inst->m2m_dev, m2m_ctx);
89 }
90 
91 static const struct v4l2_m2m_ops iris_m2m_ops = {
92 	.device_run = iris_m2m_device_run,
93 	.job_abort = iris_m2m_job_abort,
94 };
95 
96 static int
97 iris_m2m_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
98 {
99 	struct iris_inst *inst = priv;
100 	int ret;
101 
102 	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
103 	src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
104 	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
105 	src_vq->ops = inst->core->iris_vb2_ops;
106 	src_vq->mem_ops = &vb2_dma_contig_memops;
107 	src_vq->drv_priv = inst;
108 	src_vq->buf_struct_size = sizeof(struct iris_buffer);
109 	src_vq->min_reqbufs_allocation = MIN_BUFFERS;
110 	src_vq->dev = inst->core->dev;
111 	src_vq->lock = &inst->ctx_q_lock;
112 	ret = vb2_queue_init(src_vq);
113 	if (ret)
114 		return ret;
115 
116 	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
117 	dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
118 	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
119 	dst_vq->ops = inst->core->iris_vb2_ops;
120 	dst_vq->mem_ops = &vb2_dma_contig_memops;
121 	dst_vq->drv_priv = inst;
122 	dst_vq->buf_struct_size = sizeof(struct iris_buffer);
123 	dst_vq->min_reqbufs_allocation = MIN_BUFFERS;
124 	dst_vq->dev = inst->core->dev;
125 	dst_vq->lock = &inst->ctx_q_lock;
126 
127 	return vb2_queue_init(dst_vq);
128 }
129 
130 int iris_open(struct file *filp)
131 {
132 	struct iris_core *core = video_drvdata(filp);
133 	struct video_device *vdev;
134 	struct iris_inst *inst;
135 	u32 session_type;
136 	int ret;
137 
138 	vdev = video_devdata(filp);
139 	if (strcmp(vdev->name, "qcom-iris-decoder") == 0)
140 		session_type = DECODER;
141 	else if (strcmp(vdev->name, "qcom-iris-encoder") == 0)
142 		session_type = ENCODER;
143 	else
144 		return -EINVAL;
145 
146 	ret = pm_runtime_resume_and_get(core->dev);
147 	if (ret < 0)
148 		return ret;
149 
150 	ret = iris_core_init(core);
151 	if (ret) {
152 		dev_err(core->dev, "core init failed\n");
153 		pm_runtime_put_sync(core->dev);
154 		return ret;
155 	}
156 
157 	pm_runtime_put_sync(core->dev);
158 
159 	inst = core->iris_platform_data->get_instance();
160 	if (!inst)
161 		return -ENOMEM;
162 
163 	inst->core = core;
164 	inst->domain = session_type;
165 	inst->session_id = hash32_ptr(inst);
166 	inst->state = IRIS_INST_DEINIT;
167 
168 	mutex_init(&inst->lock);
169 	mutex_init(&inst->ctx_q_lock);
170 
171 	INIT_LIST_HEAD(&inst->buffers[BUF_BIN].list);
172 	INIT_LIST_HEAD(&inst->buffers[BUF_ARP].list);
173 	INIT_LIST_HEAD(&inst->buffers[BUF_COMV].list);
174 	INIT_LIST_HEAD(&inst->buffers[BUF_NON_COMV].list);
175 	INIT_LIST_HEAD(&inst->buffers[BUF_LINE].list);
176 	INIT_LIST_HEAD(&inst->buffers[BUF_DPB].list);
177 	INIT_LIST_HEAD(&inst->buffers[BUF_PERSIST].list);
178 	INIT_LIST_HEAD(&inst->buffers[BUF_SCRATCH_1].list);
179 	INIT_LIST_HEAD(&inst->buffers[BUF_SCRATCH_2].list);
180 	INIT_LIST_HEAD(&inst->buffers[BUF_VPSS].list);
181 	init_completion(&inst->completion);
182 	init_completion(&inst->flush_completion);
183 
184 	iris_v4l2_fh_init(inst, filp);
185 
186 	inst->m2m_dev = v4l2_m2m_init(&iris_m2m_ops);
187 	if (IS_ERR_OR_NULL(inst->m2m_dev)) {
188 		ret = -EINVAL;
189 		goto fail_v4l2_fh_deinit;
190 	}
191 
192 	inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, iris_m2m_queue_init);
193 	if (IS_ERR_OR_NULL(inst->m2m_ctx)) {
194 		ret = -EINVAL;
195 		goto fail_m2m_release;
196 	}
197 
198 	if (inst->domain == DECODER)
199 		ret = iris_vdec_inst_init(inst);
200 	else if (inst->domain == ENCODER)
201 		ret = iris_venc_inst_init(inst);
202 	if (ret)
203 		goto fail_m2m_ctx_release;
204 
205 	iris_add_session(inst);
206 
207 	inst->fh.m2m_ctx = inst->m2m_ctx;
208 
209 	return 0;
210 
211 fail_m2m_ctx_release:
212 	v4l2_m2m_ctx_release(inst->m2m_ctx);
213 fail_m2m_release:
214 	v4l2_m2m_release(inst->m2m_dev);
215 fail_v4l2_fh_deinit:
216 	iris_v4l2_fh_deinit(inst, filp);
217 	mutex_destroy(&inst->ctx_q_lock);
218 	mutex_destroy(&inst->lock);
219 	kfree(inst);
220 
221 	return ret;
222 }
223 
224 static void iris_session_close(struct iris_inst *inst)
225 {
226 	const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
227 	bool wait_for_response = true;
228 	int ret;
229 
230 	if (inst->state == IRIS_INST_DEINIT)
231 		return;
232 
233 	reinit_completion(&inst->completion);
234 
235 	ret = hfi_ops->session_close(inst);
236 	if (ret)
237 		wait_for_response = false;
238 
239 	if (wait_for_response)
240 		iris_wait_for_session_response(inst, false);
241 }
242 
243 static void iris_check_num_queued_internal_buffers(struct iris_inst *inst, u32 plane)
244 {
245 	const struct iris_platform_data *platform_data = inst->core->iris_platform_data;
246 	struct iris_buffer *buf, *next;
247 	struct iris_buffers *buffers;
248 	const u32 *internal_buf_type;
249 	u32 internal_buffer_count, i;
250 	u32 count = 0;
251 
252 	if (V4L2_TYPE_IS_OUTPUT(plane)) {
253 		internal_buf_type = platform_data->dec_ip_int_buf_tbl;
254 		internal_buffer_count = platform_data->dec_ip_int_buf_tbl_size;
255 	} else {
256 		internal_buf_type = platform_data->dec_op_int_buf_tbl;
257 		internal_buffer_count = platform_data->dec_op_int_buf_tbl_size;
258 	}
259 
260 	for (i = 0; i < internal_buffer_count; i++) {
261 		buffers = &inst->buffers[internal_buf_type[i]];
262 		count = 0;
263 		list_for_each_entry_safe(buf, next, &buffers->list, list)
264 			count++;
265 		if (count)
266 			dev_err(inst->core->dev, "%d buffer of type %d not released",
267 				count, internal_buf_type[i]);
268 	}
269 
270 	if (inst->domain == DECODER)
271 		buffers = &inst->buffers[BUF_PERSIST];
272 	else
273 		buffers = &inst->buffers[BUF_ARP];
274 
275 	count = 0;
276 	list_for_each_entry_safe(buf, next, &buffers->list, list)
277 		count++;
278 	if (count)
279 		dev_err(inst->core->dev, "%d buffer of type %d not released",
280 			count, inst->domain == DECODER ? BUF_PERSIST : BUF_ARP);
281 }
282 
283 int iris_close(struct file *filp)
284 {
285 	struct iris_inst *inst = iris_get_inst(filp);
286 
287 	v4l2_ctrl_handler_free(&inst->ctrl_handler);
288 	v4l2_m2m_ctx_release(inst->m2m_ctx);
289 	v4l2_m2m_release(inst->m2m_dev);
290 	mutex_lock(&inst->lock);
291 	if (inst->domain == DECODER)
292 		iris_vdec_inst_deinit(inst);
293 	else if (inst->domain == ENCODER)
294 		iris_venc_inst_deinit(inst);
295 	iris_session_close(inst);
296 	iris_inst_change_state(inst, IRIS_INST_DEINIT);
297 	iris_v4l2_fh_deinit(inst, filp);
298 	iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
299 	iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
300 	iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
301 	iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
302 	iris_remove_session(inst);
303 	mutex_unlock(&inst->lock);
304 	mutex_destroy(&inst->ctx_q_lock);
305 	mutex_destroy(&inst->lock);
306 	kfree(inst);
307 
308 	return 0;
309 }
310 
311 static int iris_enum_fmt(struct file *filp, void *fh, struct v4l2_fmtdesc *f)
312 {
313 	struct iris_inst *inst = iris_get_inst(filp);
314 
315 	if (inst->domain == DECODER)
316 		return iris_vdec_enum_fmt(inst, f);
317 	else if (inst->domain == ENCODER)
318 		return iris_venc_enum_fmt(inst, f);
319 	else
320 		return -EINVAL;
321 }
322 
323 static int iris_try_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
324 {
325 	struct iris_inst *inst = iris_get_inst(filp);
326 	int ret = 0;
327 
328 	mutex_lock(&inst->lock);
329 
330 	if (inst->domain == DECODER)
331 		ret = iris_vdec_try_fmt(inst, f);
332 	else if (inst->domain == ENCODER)
333 		ret = iris_venc_try_fmt(inst, f);
334 
335 	mutex_unlock(&inst->lock);
336 
337 	return ret;
338 }
339 
340 static int iris_s_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
341 {
342 	struct iris_inst *inst = iris_get_inst(filp);
343 	int ret = 0;
344 
345 	mutex_lock(&inst->lock);
346 
347 	if (inst->domain == DECODER)
348 		ret = iris_vdec_s_fmt(inst, f);
349 	else if (inst->domain == ENCODER)
350 		ret = iris_venc_s_fmt(inst, f);
351 
352 	mutex_unlock(&inst->lock);
353 
354 	return ret;
355 }
356 
357 static int iris_g_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
358 {
359 	struct iris_inst *inst = iris_get_inst(filp);
360 	int ret = 0;
361 
362 	mutex_lock(&inst->lock);
363 	if (V4L2_TYPE_IS_OUTPUT(f->type))
364 		*f = *inst->fmt_src;
365 	else if (V4L2_TYPE_IS_CAPTURE(f->type))
366 		*f = *inst->fmt_dst;
367 	else
368 		ret = -EINVAL;
369 
370 	mutex_unlock(&inst->lock);
371 
372 	return ret;
373 }
374 
375 static int iris_enum_framesizes(struct file *filp, void *fh,
376 				struct v4l2_frmsizeenum *fsize)
377 {
378 	struct iris_inst *inst = iris_get_inst(filp);
379 	struct platform_inst_caps *caps;
380 	int ret = 0;
381 
382 	if (fsize->index)
383 		return -EINVAL;
384 
385 	if (inst->domain == DECODER)
386 		ret = iris_vdec_validate_format(inst, fsize->pixel_format);
387 	else
388 		ret = iris_venc_validate_format(inst, fsize->pixel_format);
389 
390 	if (ret)
391 		return ret;
392 
393 	caps = inst->core->iris_platform_data->inst_caps;
394 
395 	fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
396 	fsize->stepwise.min_width = caps->min_frame_width;
397 	fsize->stepwise.max_width = caps->max_frame_width;
398 	fsize->stepwise.step_width = STEP_WIDTH;
399 	fsize->stepwise.min_height = caps->min_frame_height;
400 	fsize->stepwise.max_height = caps->max_frame_height;
401 	fsize->stepwise.step_height = STEP_HEIGHT;
402 
403 	return ret;
404 }
405 
406 static int iris_enum_frameintervals(struct file *filp, void *fh,
407 				    struct v4l2_frmivalenum *fival)
408 
409 {
410 	struct iris_inst *inst = iris_get_inst(filp);
411 	struct iris_core *core = inst->core;
412 	struct platform_inst_caps *caps;
413 	u32 fps, mbpf;
414 	int ret = 0;
415 
416 	if (inst->domain == DECODER)
417 		return -ENOTTY;
418 
419 	if (fival->index)
420 		return -EINVAL;
421 
422 	ret = iris_venc_validate_format(inst, fival->pixel_format);
423 	if (ret)
424 		return ret;
425 
426 	if (!fival->width || !fival->height)
427 		return -EINVAL;
428 
429 	caps = inst->core->iris_platform_data->inst_caps;
430 	if (fival->width > caps->max_frame_width ||
431 	    fival->width < caps->min_frame_width ||
432 	    fival->height > caps->max_frame_height ||
433 	    fival->height < caps->min_frame_height)
434 		return -EINVAL;
435 
436 	mbpf = NUM_MBS_PER_FRAME(fival->height, fival->width);
437 	fps = DIV_ROUND_UP(core->iris_platform_data->max_core_mbps, mbpf);
438 
439 	fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
440 	fival->stepwise.min.numerator = 1;
441 	fival->stepwise.min.denominator =
442 			min_t(u32, fps, MAXIMUM_FPS);
443 	fival->stepwise.max.numerator = 1;
444 	fival->stepwise.max.denominator = 1;
445 	fival->stepwise.step.numerator = 1;
446 	fival->stepwise.step.denominator = MAXIMUM_FPS;
447 
448 	return 0;
449 }
450 
451 static int iris_querycap(struct file *filp, void *fh, struct v4l2_capability *cap)
452 {
453 	struct iris_inst *inst = iris_get_inst(filp);
454 
455 	strscpy(cap->driver, IRIS_DRV_NAME, sizeof(cap->driver));
456 
457 	if (inst->domain == DECODER)
458 		strscpy(cap->card, "Iris Decoder", sizeof(cap->card));
459 	else
460 		strscpy(cap->card, "Iris Encoder", sizeof(cap->card));
461 
462 	return 0;
463 }
464 
465 static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection *s)
466 {
467 	struct iris_inst *inst = iris_get_inst(filp);
468 
469 	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
470 	    inst->domain == DECODER)
471 		return -EINVAL;
472 
473 	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
474 	    inst->domain == ENCODER)
475 		return -EINVAL;
476 
477 	if (inst->domain == DECODER) {
478 		switch (s->target) {
479 		case V4L2_SEL_TGT_CROP_BOUNDS:
480 		case V4L2_SEL_TGT_CROP_DEFAULT:
481 		case V4L2_SEL_TGT_CROP:
482 		case V4L2_SEL_TGT_COMPOSE_BOUNDS:
483 		case V4L2_SEL_TGT_COMPOSE_PADDED:
484 		case V4L2_SEL_TGT_COMPOSE_DEFAULT:
485 		case V4L2_SEL_TGT_COMPOSE:
486 			s->r.left = inst->crop.left;
487 			s->r.top = inst->crop.top;
488 			s->r.width = inst->crop.width;
489 			s->r.height = inst->crop.height;
490 			break;
491 		default:
492 			return -EINVAL;
493 		}
494 	} else if (inst->domain == ENCODER) {
495 		switch (s->target) {
496 		case V4L2_SEL_TGT_CROP_BOUNDS:
497 		case V4L2_SEL_TGT_CROP_DEFAULT:
498 			s->r.width = inst->fmt_src->fmt.pix_mp.width;
499 			s->r.height = inst->fmt_src->fmt.pix_mp.height;
500 			break;
501 		case V4L2_SEL_TGT_CROP:
502 			s->r.width = inst->crop.width;
503 			s->r.height = inst->crop.height;
504 			break;
505 		default:
506 			return -EINVAL;
507 		}
508 		s->r.left = inst->crop.left;
509 		s->r.top = inst->crop.top;
510 	}
511 
512 	return 0;
513 }
514 
515 static int iris_s_selection(struct file *filp, void *fh, struct v4l2_selection *s)
516 {
517 	struct iris_inst *inst = iris_get_inst(filp);
518 
519 	if (inst->domain == DECODER)
520 		return -EINVAL;
521 	else if (inst->domain == ENCODER)
522 		return iris_venc_s_selection(inst, s);
523 
524 	return -EINVAL;
525 }
526 
527 static int iris_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub)
528 {
529 	struct iris_inst *inst = container_of(fh, struct iris_inst, fh);
530 
531 	if (inst->domain == DECODER)
532 		return iris_vdec_subscribe_event(inst, sub);
533 	else if (inst->domain == ENCODER)
534 		return iris_venc_subscribe_event(inst, sub);
535 
536 	return -EINVAL;
537 }
538 
539 static int iris_s_parm(struct file *filp, void *fh, struct v4l2_streamparm *a)
540 {
541 	struct iris_inst *inst = iris_get_inst(filp);
542 
543 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
544 	    a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
545 		return -EINVAL;
546 
547 	if (inst->domain == ENCODER)
548 		return iris_venc_s_param(inst, a);
549 	else
550 		return -EINVAL;
551 }
552 
553 static int iris_g_parm(struct file *filp, void *fh, struct v4l2_streamparm *a)
554 {
555 	struct iris_inst *inst = iris_get_inst(filp);
556 
557 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
558 	    a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
559 		return -EINVAL;
560 
561 	if (inst->domain == ENCODER)
562 		return iris_venc_g_param(inst, a);
563 	else
564 		return -EINVAL;
565 }
566 
567 static int iris_dec_cmd(struct file *filp, void *fh,
568 			struct v4l2_decoder_cmd *dec)
569 {
570 	struct iris_inst *inst = iris_get_inst(filp);
571 	int ret = 0;
572 
573 	mutex_lock(&inst->lock);
574 
575 	ret = v4l2_m2m_ioctl_decoder_cmd(filp, fh, dec);
576 	if (ret)
577 		goto unlock;
578 
579 	if (inst->state == IRIS_INST_DEINIT)
580 		goto unlock;
581 
582 	if (!iris_allow_cmd(inst, dec->cmd)) {
583 		ret = -EBUSY;
584 		goto unlock;
585 	}
586 
587 	if (dec->cmd == V4L2_DEC_CMD_START)
588 		ret = iris_vdec_start_cmd(inst);
589 	else if (dec->cmd == V4L2_DEC_CMD_STOP)
590 		ret = iris_vdec_stop_cmd(inst);
591 	else
592 		ret = -EINVAL;
593 
594 unlock:
595 	mutex_unlock(&inst->lock);
596 
597 	return ret;
598 }
599 
600 static int iris_enc_cmd(struct file *filp, void *fh,
601 			struct v4l2_encoder_cmd *enc)
602 {
603 	struct iris_inst *inst = iris_get_inst(filp);
604 	int ret = 0;
605 
606 	mutex_lock(&inst->lock);
607 
608 	ret = v4l2_m2m_ioctl_encoder_cmd(filp, fh, enc);
609 	if (ret)
610 		goto unlock;
611 
612 	if (inst->state == IRIS_INST_DEINIT)
613 		goto unlock;
614 
615 	if (!iris_allow_cmd(inst, enc->cmd)) {
616 		ret = -EBUSY;
617 		goto unlock;
618 	}
619 
620 	if (enc->cmd == V4L2_ENC_CMD_START)
621 		ret = iris_venc_start_cmd(inst);
622 	else if (enc->cmd == V4L2_ENC_CMD_STOP)
623 		ret = iris_venc_stop_cmd(inst);
624 	else
625 		ret = -EINVAL;
626 
627 unlock:
628 	mutex_unlock(&inst->lock);
629 
630 	return ret;
631 }
632 
633 static struct v4l2_file_operations iris_v4l2_file_ops = {
634 	.owner                          = THIS_MODULE,
635 	.open                           = iris_open,
636 	.release                        = iris_close,
637 	.unlocked_ioctl                 = video_ioctl2,
638 	.poll                           = v4l2_m2m_fop_poll,
639 	.mmap                           = v4l2_m2m_fop_mmap,
640 };
641 
642 static const struct vb2_ops iris_vb2_ops = {
643 	.buf_init                       = iris_vb2_buf_init,
644 	.queue_setup                    = iris_vb2_queue_setup,
645 	.start_streaming                = iris_vb2_start_streaming,
646 	.stop_streaming                 = iris_vb2_stop_streaming,
647 	.buf_prepare                    = iris_vb2_buf_prepare,
648 	.buf_out_validate               = iris_vb2_buf_out_validate,
649 	.buf_queue                      = iris_vb2_buf_queue,
650 };
651 
652 static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops_dec = {
653 	.vidioc_enum_fmt_vid_cap        = iris_enum_fmt,
654 	.vidioc_enum_fmt_vid_out        = iris_enum_fmt,
655 	.vidioc_try_fmt_vid_cap_mplane  = iris_try_fmt_vid_mplane,
656 	.vidioc_try_fmt_vid_out_mplane  = iris_try_fmt_vid_mplane,
657 	.vidioc_s_fmt_vid_cap_mplane    = iris_s_fmt_vid_mplane,
658 	.vidioc_s_fmt_vid_out_mplane    = iris_s_fmt_vid_mplane,
659 	.vidioc_g_fmt_vid_cap_mplane    = iris_g_fmt_vid_mplane,
660 	.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
661 	.vidioc_enum_framesizes         = iris_enum_framesizes,
662 	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
663 	.vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
664 	.vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
665 	.vidioc_prepare_buf             = v4l2_m2m_ioctl_prepare_buf,
666 	.vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
667 	.vidioc_qbuf                    = v4l2_m2m_ioctl_qbuf,
668 	.vidioc_dqbuf                   = v4l2_m2m_ioctl_dqbuf,
669 	.vidioc_remove_bufs             = v4l2_m2m_ioctl_remove_bufs,
670 	.vidioc_querycap                = iris_querycap,
671 	.vidioc_g_selection             = iris_g_selection,
672 	.vidioc_subscribe_event         = iris_subscribe_event,
673 	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
674 	.vidioc_streamon                = v4l2_m2m_ioctl_streamon,
675 	.vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
676 	.vidioc_try_decoder_cmd         = v4l2_m2m_ioctl_try_decoder_cmd,
677 	.vidioc_decoder_cmd             = iris_dec_cmd,
678 };
679 
680 static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops_enc = {
681 	.vidioc_enum_fmt_vid_cap        = iris_enum_fmt,
682 	.vidioc_enum_fmt_vid_out        = iris_enum_fmt,
683 	.vidioc_try_fmt_vid_cap_mplane  = iris_try_fmt_vid_mplane,
684 	.vidioc_try_fmt_vid_out_mplane  = iris_try_fmt_vid_mplane,
685 	.vidioc_s_fmt_vid_cap_mplane    = iris_s_fmt_vid_mplane,
686 	.vidioc_s_fmt_vid_out_mplane    = iris_s_fmt_vid_mplane,
687 	.vidioc_g_fmt_vid_cap_mplane    = iris_g_fmt_vid_mplane,
688 	.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
689 	.vidioc_enum_framesizes         = iris_enum_framesizes,
690 	.vidioc_enum_frameintervals     = iris_enum_frameintervals,
691 	.vidioc_querycap                = iris_querycap,
692 	.vidioc_subscribe_event         = iris_subscribe_event,
693 	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
694 	.vidioc_g_selection             = iris_g_selection,
695 	.vidioc_s_selection             = iris_s_selection,
696 	.vidioc_s_parm                  = iris_s_parm,
697 	.vidioc_g_parm                  = iris_g_parm,
698 	.vidioc_streamon                = v4l2_m2m_ioctl_streamon,
699 	.vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
700 	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
701 	.vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
702 	.vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
703 	.vidioc_prepare_buf             = v4l2_m2m_ioctl_prepare_buf,
704 	.vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
705 	.vidioc_qbuf                    = v4l2_m2m_ioctl_qbuf,
706 	.vidioc_dqbuf                   = v4l2_m2m_ioctl_dqbuf,
707 	.vidioc_remove_bufs             = v4l2_m2m_ioctl_remove_bufs,
708 	.vidioc_try_encoder_cmd         = v4l2_m2m_ioctl_try_encoder_cmd,
709 	.vidioc_encoder_cmd             = iris_enc_cmd,
710 };
711 
712 void iris_init_ops(struct iris_core *core)
713 {
714 	core->iris_v4l2_file_ops = &iris_v4l2_file_ops;
715 	core->iris_vb2_ops = &iris_vb2_ops;
716 	core->iris_v4l2_ioctl_ops_dec = &iris_v4l2_ioctl_ops_dec;
717 	core->iris_v4l2_ioctl_ops_enc = &iris_v4l2_ioctl_ops_enc;
718 }
719