xref: /linux/drivers/media/platform/qcom/iris/iris_vidc.c (revision fbf5df34a4dbcd09d433dd4f0916bf9b2ddb16de)
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_LIST_HEAD(&inst->buffers[BUF_PARTIAL].list);
182 	init_completion(&inst->completion);
183 	init_completion(&inst->flush_completion);
184 
185 	iris_v4l2_fh_init(inst, filp);
186 
187 	inst->m2m_dev = v4l2_m2m_init(&iris_m2m_ops);
188 	if (IS_ERR_OR_NULL(inst->m2m_dev)) {
189 		ret = -EINVAL;
190 		goto fail_v4l2_fh_deinit;
191 	}
192 
193 	inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, iris_m2m_queue_init);
194 	if (IS_ERR_OR_NULL(inst->m2m_ctx)) {
195 		ret = -EINVAL;
196 		goto fail_m2m_release;
197 	}
198 
199 	if (inst->domain == DECODER)
200 		ret = iris_vdec_inst_init(inst);
201 	else if (inst->domain == ENCODER)
202 		ret = iris_venc_inst_init(inst);
203 	if (ret)
204 		goto fail_m2m_ctx_release;
205 
206 	iris_add_session(inst);
207 
208 	inst->fh.m2m_ctx = inst->m2m_ctx;
209 
210 	return 0;
211 
212 fail_m2m_ctx_release:
213 	v4l2_m2m_ctx_release(inst->m2m_ctx);
214 fail_m2m_release:
215 	v4l2_m2m_release(inst->m2m_dev);
216 fail_v4l2_fh_deinit:
217 	iris_v4l2_fh_deinit(inst, filp);
218 	mutex_destroy(&inst->ctx_q_lock);
219 	mutex_destroy(&inst->lock);
220 	kfree(inst);
221 
222 	return ret;
223 }
224 
225 static void iris_session_close(struct iris_inst *inst)
226 {
227 	const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
228 	bool wait_for_response = true;
229 	int ret;
230 
231 	if (inst->state == IRIS_INST_DEINIT)
232 		return;
233 
234 	reinit_completion(&inst->completion);
235 
236 	ret = hfi_ops->session_close(inst);
237 	if (ret)
238 		wait_for_response = false;
239 
240 	if (wait_for_response)
241 		iris_wait_for_session_response(inst, false);
242 }
243 
244 static void iris_check_num_queued_internal_buffers(struct iris_inst *inst, u32 plane)
245 {
246 	const struct iris_platform_data *platform_data = inst->core->iris_platform_data;
247 	struct iris_buffer *buf, *next;
248 	struct iris_buffers *buffers;
249 	const u32 *internal_buf_type;
250 	u32 internal_buffer_count, i;
251 	u32 count = 0;
252 
253 	if (V4L2_TYPE_IS_OUTPUT(plane)) {
254 		internal_buf_type = platform_data->dec_ip_int_buf_tbl;
255 		internal_buffer_count = platform_data->dec_ip_int_buf_tbl_size;
256 	} else {
257 		internal_buf_type = platform_data->dec_op_int_buf_tbl;
258 		internal_buffer_count = platform_data->dec_op_int_buf_tbl_size;
259 	}
260 
261 	for (i = 0; i < internal_buffer_count; i++) {
262 		buffers = &inst->buffers[internal_buf_type[i]];
263 		count = 0;
264 		list_for_each_entry_safe(buf, next, &buffers->list, list)
265 			count++;
266 		if (count)
267 			dev_err(inst->core->dev, "%d buffer of type %d not released",
268 				count, internal_buf_type[i]);
269 	}
270 
271 	if (inst->domain == DECODER)
272 		buffers = &inst->buffers[BUF_PERSIST];
273 	else
274 		buffers = &inst->buffers[BUF_ARP];
275 
276 	count = 0;
277 	list_for_each_entry_safe(buf, next, &buffers->list, list)
278 		count++;
279 	if (count)
280 		dev_err(inst->core->dev, "%d buffer of type %d not released",
281 			count, inst->domain == DECODER ? BUF_PERSIST : BUF_ARP);
282 }
283 
284 int iris_close(struct file *filp)
285 {
286 	struct iris_inst *inst = iris_get_inst(filp);
287 
288 	v4l2_ctrl_handler_free(&inst->ctrl_handler);
289 	v4l2_m2m_ctx_release(inst->m2m_ctx);
290 	v4l2_m2m_release(inst->m2m_dev);
291 	mutex_lock(&inst->lock);
292 	iris_session_close(inst);
293 	iris_inst_change_state(inst, IRIS_INST_DEINIT);
294 	iris_v4l2_fh_deinit(inst, filp);
295 	iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
296 	iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
297 	iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
298 	iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
299 	iris_remove_session(inst);
300 	mutex_unlock(&inst->lock);
301 	mutex_destroy(&inst->ctx_q_lock);
302 	mutex_destroy(&inst->lock);
303 	kfree(inst->fmt_src);
304 	kfree(inst->fmt_dst);
305 	kfree(inst);
306 
307 	return 0;
308 }
309 
310 static int iris_enum_fmt(struct file *filp, void *fh, struct v4l2_fmtdesc *f)
311 {
312 	struct iris_inst *inst = iris_get_inst(filp);
313 
314 	if (inst->domain == DECODER)
315 		return iris_vdec_enum_fmt(inst, f);
316 	else if (inst->domain == ENCODER)
317 		return iris_venc_enum_fmt(inst, f);
318 	else
319 		return -EINVAL;
320 }
321 
322 static int iris_try_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
323 {
324 	struct iris_inst *inst = iris_get_inst(filp);
325 	int ret = 0;
326 
327 	mutex_lock(&inst->lock);
328 
329 	if (inst->domain == DECODER)
330 		ret = iris_vdec_try_fmt(inst, f);
331 	else if (inst->domain == ENCODER)
332 		ret = iris_venc_try_fmt(inst, f);
333 
334 	mutex_unlock(&inst->lock);
335 
336 	return ret;
337 }
338 
339 static int iris_s_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
340 {
341 	struct iris_inst *inst = iris_get_inst(filp);
342 	int ret = 0;
343 
344 	mutex_lock(&inst->lock);
345 
346 	if (inst->domain == DECODER)
347 		ret = iris_vdec_s_fmt(inst, f);
348 	else if (inst->domain == ENCODER)
349 		ret = iris_venc_s_fmt(inst, f);
350 
351 	mutex_unlock(&inst->lock);
352 
353 	return ret;
354 }
355 
356 static int iris_g_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
357 {
358 	struct iris_inst *inst = iris_get_inst(filp);
359 	int ret = 0;
360 
361 	mutex_lock(&inst->lock);
362 	if (V4L2_TYPE_IS_OUTPUT(f->type))
363 		*f = *inst->fmt_src;
364 	else if (V4L2_TYPE_IS_CAPTURE(f->type))
365 		*f = *inst->fmt_dst;
366 	else
367 		ret = -EINVAL;
368 
369 	mutex_unlock(&inst->lock);
370 
371 	return ret;
372 }
373 
374 static int iris_enum_framesizes(struct file *filp, void *fh,
375 				struct v4l2_frmsizeenum *fsize)
376 {
377 	struct iris_inst *inst = iris_get_inst(filp);
378 	struct platform_inst_caps *caps;
379 	int ret = 0;
380 
381 	if (fsize->index)
382 		return -EINVAL;
383 
384 	if (inst->domain == DECODER)
385 		ret = iris_vdec_validate_format(inst, fsize->pixel_format);
386 	else
387 		ret = iris_venc_validate_format(inst, fsize->pixel_format);
388 
389 	if (ret)
390 		return ret;
391 
392 	caps = inst->core->iris_platform_data->inst_caps;
393 
394 	fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
395 	fsize->stepwise.min_width = caps->min_frame_width;
396 	fsize->stepwise.max_width = caps->max_frame_width;
397 	fsize->stepwise.step_width = STEP_WIDTH;
398 	fsize->stepwise.min_height = caps->min_frame_height;
399 	fsize->stepwise.max_height = caps->max_frame_height;
400 	fsize->stepwise.step_height = STEP_HEIGHT;
401 
402 	return ret;
403 }
404 
405 static int iris_enum_frameintervals(struct file *filp, void *fh,
406 				    struct v4l2_frmivalenum *fival)
407 
408 {
409 	struct iris_inst *inst = iris_get_inst(filp);
410 	struct iris_core *core = inst->core;
411 	struct platform_inst_caps *caps;
412 	u32 fps, mbpf;
413 	int ret = 0;
414 
415 	if (inst->domain == DECODER)
416 		return -ENOTTY;
417 
418 	if (fival->index)
419 		return -EINVAL;
420 
421 	ret = iris_venc_validate_format(inst, fival->pixel_format);
422 	if (ret)
423 		return ret;
424 
425 	if (!fival->width || !fival->height)
426 		return -EINVAL;
427 
428 	caps = inst->core->iris_platform_data->inst_caps;
429 	if (fival->width > caps->max_frame_width ||
430 	    fival->width < caps->min_frame_width ||
431 	    fival->height > caps->max_frame_height ||
432 	    fival->height < caps->min_frame_height)
433 		return -EINVAL;
434 
435 	mbpf = NUM_MBS_PER_FRAME(fival->height, fival->width);
436 	fps = DIV_ROUND_UP(core->iris_platform_data->max_core_mbps, mbpf);
437 
438 	fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
439 	fival->stepwise.min.numerator = 1;
440 	fival->stepwise.min.denominator =
441 			min_t(u32, fps, MAXIMUM_FPS);
442 	fival->stepwise.max.numerator = 1;
443 	fival->stepwise.max.denominator = 1;
444 	fival->stepwise.step.numerator = 1;
445 	fival->stepwise.step.denominator = MAXIMUM_FPS;
446 
447 	return 0;
448 }
449 
450 static int iris_querycap(struct file *filp, void *fh, struct v4l2_capability *cap)
451 {
452 	struct iris_inst *inst = iris_get_inst(filp);
453 
454 	strscpy(cap->driver, IRIS_DRV_NAME, sizeof(cap->driver));
455 
456 	if (inst->domain == DECODER)
457 		strscpy(cap->card, "Iris Decoder", sizeof(cap->card));
458 	else
459 		strscpy(cap->card, "Iris Encoder", sizeof(cap->card));
460 
461 	return 0;
462 }
463 
464 static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection *s)
465 {
466 	struct iris_inst *inst = iris_get_inst(filp);
467 
468 	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
469 	    inst->domain == DECODER)
470 		return -EINVAL;
471 
472 	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
473 	    inst->domain == ENCODER)
474 		return -EINVAL;
475 
476 	if (inst->domain == DECODER) {
477 		switch (s->target) {
478 		case V4L2_SEL_TGT_CROP_BOUNDS:
479 		case V4L2_SEL_TGT_CROP_DEFAULT:
480 		case V4L2_SEL_TGT_CROP:
481 		case V4L2_SEL_TGT_COMPOSE_BOUNDS:
482 		case V4L2_SEL_TGT_COMPOSE_PADDED:
483 		case V4L2_SEL_TGT_COMPOSE_DEFAULT:
484 		case V4L2_SEL_TGT_COMPOSE:
485 			s->r.left = inst->crop.left;
486 			s->r.top = inst->crop.top;
487 			s->r.width = inst->crop.width;
488 			s->r.height = inst->crop.height;
489 			break;
490 		default:
491 			return -EINVAL;
492 		}
493 	} else if (inst->domain == ENCODER) {
494 		switch (s->target) {
495 		case V4L2_SEL_TGT_CROP_BOUNDS:
496 		case V4L2_SEL_TGT_CROP_DEFAULT:
497 			s->r.width = inst->fmt_src->fmt.pix_mp.width;
498 			s->r.height = inst->fmt_src->fmt.pix_mp.height;
499 			break;
500 		case V4L2_SEL_TGT_CROP:
501 			s->r.width = inst->crop.width;
502 			s->r.height = inst->crop.height;
503 			break;
504 		default:
505 			return -EINVAL;
506 		}
507 		s->r.left = inst->crop.left;
508 		s->r.top = inst->crop.top;
509 	}
510 
511 	return 0;
512 }
513 
514 static int iris_s_selection(struct file *filp, void *fh, struct v4l2_selection *s)
515 {
516 	struct iris_inst *inst = iris_get_inst(filp);
517 
518 	if (inst->domain == DECODER)
519 		return -EINVAL;
520 	else if (inst->domain == ENCODER)
521 		return iris_venc_s_selection(inst, s);
522 
523 	return -EINVAL;
524 }
525 
526 static int iris_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub)
527 {
528 	struct iris_inst *inst = container_of(fh, struct iris_inst, fh);
529 
530 	if (inst->domain == DECODER)
531 		return iris_vdec_subscribe_event(inst, sub);
532 	else if (inst->domain == ENCODER)
533 		return iris_venc_subscribe_event(inst, sub);
534 
535 	return -EINVAL;
536 }
537 
538 static int iris_s_parm(struct file *filp, void *fh, struct v4l2_streamparm *a)
539 {
540 	struct iris_inst *inst = iris_get_inst(filp);
541 
542 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
543 	    a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
544 		return -EINVAL;
545 
546 	if (inst->domain == ENCODER)
547 		return iris_venc_s_param(inst, a);
548 	else
549 		return -EINVAL;
550 }
551 
552 static int iris_g_parm(struct file *filp, void *fh, struct v4l2_streamparm *a)
553 {
554 	struct iris_inst *inst = iris_get_inst(filp);
555 
556 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
557 	    a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
558 		return -EINVAL;
559 
560 	if (inst->domain == ENCODER)
561 		return iris_venc_g_param(inst, a);
562 	else
563 		return -EINVAL;
564 }
565 
566 static int iris_dec_cmd(struct file *filp, void *fh,
567 			struct v4l2_decoder_cmd *dec)
568 {
569 	struct iris_inst *inst = iris_get_inst(filp);
570 	int ret = 0;
571 
572 	mutex_lock(&inst->lock);
573 
574 	if (dec->cmd != V4L2_DEC_CMD_STOP && dec->cmd != V4L2_DEC_CMD_START) {
575 		ret = -EINVAL;
576 		goto unlock;
577 	}
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 	if (enc->cmd != V4L2_ENC_CMD_STOP && enc->cmd != V4L2_ENC_CMD_START) {
609 		ret = -EINVAL;
610 		goto unlock;
611 	}
612 
613 	if (inst->state == IRIS_INST_DEINIT)
614 		goto unlock;
615 
616 	if (!iris_allow_cmd(inst, enc->cmd)) {
617 		ret = -EBUSY;
618 		goto unlock;
619 	}
620 
621 	if (enc->cmd == V4L2_ENC_CMD_START)
622 		ret = iris_venc_start_cmd(inst);
623 	else if (enc->cmd == V4L2_ENC_CMD_STOP)
624 		ret = iris_venc_stop_cmd(inst);
625 	else
626 		ret = -EINVAL;
627 
628 unlock:
629 	mutex_unlock(&inst->lock);
630 
631 	return ret;
632 }
633 
634 static const struct v4l2_file_operations iris_v4l2_file_ops = {
635 	.owner                          = THIS_MODULE,
636 	.open                           = iris_open,
637 	.release                        = iris_close,
638 	.unlocked_ioctl                 = video_ioctl2,
639 	.poll                           = v4l2_m2m_fop_poll,
640 	.mmap                           = v4l2_m2m_fop_mmap,
641 };
642 
643 static const struct vb2_ops iris_vb2_ops = {
644 	.buf_init                       = iris_vb2_buf_init,
645 	.queue_setup                    = iris_vb2_queue_setup,
646 	.start_streaming                = iris_vb2_start_streaming,
647 	.stop_streaming                 = iris_vb2_stop_streaming,
648 	.buf_prepare                    = iris_vb2_buf_prepare,
649 	.buf_out_validate               = iris_vb2_buf_out_validate,
650 	.buf_queue                      = iris_vb2_buf_queue,
651 };
652 
653 static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops_dec = {
654 	.vidioc_enum_fmt_vid_cap        = iris_enum_fmt,
655 	.vidioc_enum_fmt_vid_out        = iris_enum_fmt,
656 	.vidioc_try_fmt_vid_cap_mplane  = iris_try_fmt_vid_mplane,
657 	.vidioc_try_fmt_vid_out_mplane  = iris_try_fmt_vid_mplane,
658 	.vidioc_s_fmt_vid_cap_mplane    = iris_s_fmt_vid_mplane,
659 	.vidioc_s_fmt_vid_out_mplane    = iris_s_fmt_vid_mplane,
660 	.vidioc_g_fmt_vid_cap_mplane    = iris_g_fmt_vid_mplane,
661 	.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
662 	.vidioc_enum_framesizes         = iris_enum_framesizes,
663 	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
664 	.vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
665 	.vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
666 	.vidioc_prepare_buf             = v4l2_m2m_ioctl_prepare_buf,
667 	.vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
668 	.vidioc_qbuf                    = v4l2_m2m_ioctl_qbuf,
669 	.vidioc_dqbuf                   = v4l2_m2m_ioctl_dqbuf,
670 	.vidioc_remove_bufs             = v4l2_m2m_ioctl_remove_bufs,
671 	.vidioc_querycap                = iris_querycap,
672 	.vidioc_g_selection             = iris_g_selection,
673 	.vidioc_subscribe_event         = iris_subscribe_event,
674 	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
675 	.vidioc_streamon                = v4l2_m2m_ioctl_streamon,
676 	.vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
677 	.vidioc_try_decoder_cmd         = v4l2_m2m_ioctl_try_decoder_cmd,
678 	.vidioc_decoder_cmd             = iris_dec_cmd,
679 };
680 
681 static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops_enc = {
682 	.vidioc_enum_fmt_vid_cap        = iris_enum_fmt,
683 	.vidioc_enum_fmt_vid_out        = iris_enum_fmt,
684 	.vidioc_try_fmt_vid_cap_mplane  = iris_try_fmt_vid_mplane,
685 	.vidioc_try_fmt_vid_out_mplane  = iris_try_fmt_vid_mplane,
686 	.vidioc_s_fmt_vid_cap_mplane    = iris_s_fmt_vid_mplane,
687 	.vidioc_s_fmt_vid_out_mplane    = iris_s_fmt_vid_mplane,
688 	.vidioc_g_fmt_vid_cap_mplane    = iris_g_fmt_vid_mplane,
689 	.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
690 	.vidioc_enum_framesizes         = iris_enum_framesizes,
691 	.vidioc_enum_frameintervals     = iris_enum_frameintervals,
692 	.vidioc_querycap                = iris_querycap,
693 	.vidioc_subscribe_event         = iris_subscribe_event,
694 	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
695 	.vidioc_g_selection             = iris_g_selection,
696 	.vidioc_s_selection             = iris_s_selection,
697 	.vidioc_s_parm                  = iris_s_parm,
698 	.vidioc_g_parm                  = iris_g_parm,
699 	.vidioc_streamon                = v4l2_m2m_ioctl_streamon,
700 	.vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
701 	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
702 	.vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
703 	.vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
704 	.vidioc_prepare_buf             = v4l2_m2m_ioctl_prepare_buf,
705 	.vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
706 	.vidioc_qbuf                    = v4l2_m2m_ioctl_qbuf,
707 	.vidioc_dqbuf                   = v4l2_m2m_ioctl_dqbuf,
708 	.vidioc_remove_bufs             = v4l2_m2m_ioctl_remove_bufs,
709 	.vidioc_try_encoder_cmd         = v4l2_m2m_ioctl_try_encoder_cmd,
710 	.vidioc_encoder_cmd             = iris_enc_cmd,
711 };
712 
713 void iris_init_ops(struct iris_core *core)
714 {
715 	core->iris_v4l2_file_ops = &iris_v4l2_file_ops;
716 	core->iris_vb2_ops = &iris_vb2_ops;
717 	core->iris_v4l2_ioctl_ops_dec = &iris_v4l2_ioctl_ops_dec;
718 	core->iris_v4l2_ioctl_ops_enc = &iris_v4l2_ioctl_ops_enc;
719 }
720