venc.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   4 * Copyright (C) 2017 Linaro Ltd.
   5 */
   6#include <linux/clk.h>
   7#include <linux/module.h>
   8#include <linux/mod_devicetable.h>
   9#include <linux/platform_device.h>
  10#include <linux/pm_runtime.h>
  11#include <linux/slab.h>
  12#include <media/v4l2-mem2mem.h>
  13#include <media/videobuf2-dma-contig.h>
  14#include <media/v4l2-ioctl.h>
  15#include <media/v4l2-event.h>
  16#include <media/v4l2-ctrls.h>
  17
  18#include "hfi_venus_io.h"
  19#include "hfi_parser.h"
  20#include "core.h"
  21#include "helpers.h"
  22#include "venc.h"
  23#include "pm_helpers.h"
  24
  25#define NUM_B_FRAMES_MAX	4
  26
  27/*
  28 * Three resons to keep MPLANE formats (despite that the number of planes
  29 * currently is one):
  30 * - the MPLANE formats allow only one plane to be used
  31 * - the downstream driver use MPLANE formats too
  32 * - future firmware versions could add support for >1 planes
  33 */
  34static const struct venus_format venc_formats[] = {
  35	[VENUS_FMT_NV12] = {
  36		.pixfmt = V4L2_PIX_FMT_NV12,
  37		.num_planes = 1,
  38		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
  39	},
  40	[VENUS_FMT_H264] = {
  41		.pixfmt = V4L2_PIX_FMT_H264,
  42		.num_planes = 1,
  43		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  44	},
  45	[VENUS_FMT_VP8] = {
  46		.pixfmt = V4L2_PIX_FMT_VP8,
  47		.num_planes = 1,
  48		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  49	},
  50	[VENUS_FMT_HEVC] = {
  51		.pixfmt = V4L2_PIX_FMT_HEVC,
  52		.num_planes = 1,
  53		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  54	},
  55	[VENUS_FMT_MPEG4] = {
  56		.pixfmt = V4L2_PIX_FMT_MPEG4,
  57		.num_planes = 1,
  58		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  59	},
  60	[VENUS_FMT_H263] = {
  61		.pixfmt = V4L2_PIX_FMT_H263,
  62		.num_planes = 1,
  63		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  64	},
  65};
  66
  67static const struct venus_format *
  68find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
  69{
  70	const struct venus_format *fmt = venc_formats;
  71	unsigned int size = ARRAY_SIZE(venc_formats);
  72	unsigned int i;
  73
  74	for (i = 0; i < size; i++) {
  75		if (fmt[i].pixfmt == pixfmt)
  76			break;
  77	}
  78
  79	if (i == size || fmt[i].type != type)
  80		return NULL;
  81
  82	if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
  83	    !venus_helper_check_codec(inst, fmt[i].pixfmt))
  84		return NULL;
  85
  86	return &fmt[i];
  87}
  88
  89static const struct venus_format *
  90find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
  91{
  92	const struct venus_format *fmt = venc_formats;
  93	unsigned int size = ARRAY_SIZE(venc_formats);
  94	unsigned int i, k = 0;
  95
  96	if (index > size)
  97		return NULL;
  98
  99	for (i = 0; i < size; i++) {
 100		bool valid;
 101
 102		if (fmt[i].type != type)
 103			continue;
 104		valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
 105			venus_helper_check_codec(inst, fmt[i].pixfmt);
 106		if (k == index && valid)
 107			break;
 108		if (valid)
 109			k++;
 110	}
 111
 112	if (i == size)
 113		return NULL;
 114
 115	return &fmt[i];
 116}
 117
 118static int venc_v4l2_to_hfi(int id, int value)
 119{
 120	switch (id) {
 121	case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
 122		switch (value) {
 123		case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
 124		default:
 125			return HFI_H264_ENTROPY_CAVLC;
 126		case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
 127			return HFI_H264_ENTROPY_CABAC;
 128		}
 129	case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
 130		switch (value) {
 131		case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
 132		default:
 133			return HFI_H264_DB_MODE_ALL_BOUNDARY;
 134		case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
 135			return HFI_H264_DB_MODE_DISABLE;
 136		case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
 137			return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
 138		}
 139	}
 140
 141	return 0;
 142}
 143
 144static int
 145venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 146{
 147	strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
 148	strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
 149	strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
 150
 151	return 0;
 152}
 153
 154static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 155{
 156	struct venus_inst *inst = to_inst(file);
 157	const struct venus_format *fmt;
 158
 159	fmt = find_format_by_index(inst, f->index, f->type);
 160
 161	memset(f->reserved, 0, sizeof(f->reserved));
 162
 163	if (!fmt)
 164		return -EINVAL;
 165
 166	f->pixelformat = fmt->pixfmt;
 167
 168	return 0;
 169}
 170
 171static const struct venus_format *
 172venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
 173{
 174	struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 175	struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
 176	const struct venus_format *fmt;
 177	u32 sizeimage;
 178
 179	memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 180	memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
 181
 182	fmt = find_format(inst, pixmp->pixelformat, f->type);
 183	if (!fmt) {
 184		if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 185			pixmp->pixelformat = V4L2_PIX_FMT_H264;
 186		else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 187			pixmp->pixelformat = V4L2_PIX_FMT_NV12;
 188		else
 189			return NULL;
 190		fmt = find_format(inst, pixmp->pixelformat, f->type);
 191		if (!fmt)
 192			return NULL;
 193	}
 194
 195	pixmp->width = clamp(pixmp->width, frame_width_min(inst),
 196			     frame_width_max(inst));
 197	pixmp->height = clamp(pixmp->height, frame_height_min(inst),
 198			      frame_height_max(inst));
 199
 200	pixmp->width = ALIGN(pixmp->width, 128);
 201	pixmp->height = ALIGN(pixmp->height, 32);
 202
 203	pixmp->width = ALIGN(pixmp->width, 2);
 204	pixmp->height = ALIGN(pixmp->height, 2);
 205
 206	if (pixmp->field == V4L2_FIELD_ANY)
 207		pixmp->field = V4L2_FIELD_NONE;
 208	pixmp->num_planes = fmt->num_planes;
 209	pixmp->flags = 0;
 210
 211	sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
 212					     pixmp->width,
 213					     pixmp->height);
 214	pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
 215
 216	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 217		pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
 218	else
 219		pfmt[0].bytesperline = 0;
 220
 221	return fmt;
 222}
 223
 224static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
 225{
 226	struct venus_inst *inst = to_inst(file);
 227
 228	venc_try_fmt_common(inst, f);
 229
 230	return 0;
 231}
 232
 233static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 234{
 235	struct venus_inst *inst = to_inst(file);
 236	struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 237	struct v4l2_pix_format_mplane orig_pixmp;
 238	const struct venus_format *fmt;
 239	struct v4l2_format format;
 240	u32 pixfmt_out = 0, pixfmt_cap = 0;
 241	struct vb2_queue *q;
 242
 243	q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
 244
 245	if (vb2_is_busy(q))
 246		return -EBUSY;
 247
 248	orig_pixmp = *pixmp;
 249
 250	fmt = venc_try_fmt_common(inst, f);
 251	if (!fmt)
 252		return -EINVAL;
 253
 254	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 255		pixfmt_out = pixmp->pixelformat;
 256		pixfmt_cap = inst->fmt_cap->pixfmt;
 257	} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 258		pixfmt_cap = pixmp->pixelformat;
 259		pixfmt_out = inst->fmt_out->pixfmt;
 260	}
 261
 262	memset(&format, 0, sizeof(format));
 263
 264	format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 265	format.fmt.pix_mp.pixelformat = pixfmt_out;
 266	format.fmt.pix_mp.width = orig_pixmp.width;
 267	format.fmt.pix_mp.height = orig_pixmp.height;
 268	venc_try_fmt_common(inst, &format);
 269
 270	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 271		inst->out_width = format.fmt.pix_mp.width;
 272		inst->out_height = format.fmt.pix_mp.height;
 273		inst->colorspace = pixmp->colorspace;
 274		inst->ycbcr_enc = pixmp->ycbcr_enc;
 275		inst->quantization = pixmp->quantization;
 276		inst->xfer_func = pixmp->xfer_func;
 277	}
 278
 279	memset(&format, 0, sizeof(format));
 280
 281	format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 282	format.fmt.pix_mp.pixelformat = pixfmt_cap;
 283	format.fmt.pix_mp.width = orig_pixmp.width;
 284	format.fmt.pix_mp.height = orig_pixmp.height;
 285	venc_try_fmt_common(inst, &format);
 286
 287	inst->width = format.fmt.pix_mp.width;
 288	inst->height = format.fmt.pix_mp.height;
 289
 290	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 291		inst->fmt_out = fmt;
 292	else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 293		inst->fmt_cap = fmt;
 294		inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
 295	}
 296
 297	return 0;
 298}
 299
 300static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
 301{
 302	struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 303	struct venus_inst *inst = to_inst(file);
 304	const struct venus_format *fmt;
 305
 306	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 307		fmt = inst->fmt_cap;
 308	else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 309		fmt = inst->fmt_out;
 310	else
 311		return -EINVAL;
 312
 313	pixmp->pixelformat = fmt->pixfmt;
 314
 315	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 316		pixmp->width = inst->width;
 317		pixmp->height = inst->height;
 318		pixmp->colorspace = inst->colorspace;
 319		pixmp->ycbcr_enc = inst->ycbcr_enc;
 320		pixmp->quantization = inst->quantization;
 321		pixmp->xfer_func = inst->xfer_func;
 322	} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 323		pixmp->width = inst->out_width;
 324		pixmp->height = inst->out_height;
 325	}
 326
 327	venc_try_fmt_common(inst, f);
 328
 329	return 0;
 330}
 331
 332static int
 333venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 334{
 335	struct venus_inst *inst = to_inst(file);
 336
 337	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 338		return -EINVAL;
 339
 340	switch (s->target) {
 341	case V4L2_SEL_TGT_CROP_DEFAULT:
 342	case V4L2_SEL_TGT_CROP_BOUNDS:
 343		s->r.width = inst->out_width;
 344		s->r.height = inst->out_height;
 345		break;
 346	case V4L2_SEL_TGT_CROP:
 347		s->r.width = inst->width;
 348		s->r.height = inst->height;
 349		break;
 350	default:
 351		return -EINVAL;
 352	}
 353
 354	s->r.top = 0;
 355	s->r.left = 0;
 356
 357	return 0;
 358}
 359
 360static int
 361venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 362{
 363	struct venus_inst *inst = to_inst(file);
 364
 365	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 366		return -EINVAL;
 367
 368	if (s->r.width > inst->out_width ||
 369	    s->r.height > inst->out_height)
 370		return -EINVAL;
 371
 372	s->r.width = ALIGN(s->r.width, 2);
 373	s->r.height = ALIGN(s->r.height, 2);
 374
 375	switch (s->target) {
 376	case V4L2_SEL_TGT_CROP:
 377		s->r.top = 0;
 378		s->r.left = 0;
 379		inst->width = s->r.width;
 380		inst->height = s->r.height;
 381		break;
 382	default:
 383		return -EINVAL;
 384	}
 385
 386	return 0;
 387}
 388
 389static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 390{
 391	struct venus_inst *inst = to_inst(file);
 392	struct v4l2_outputparm *out = &a->parm.output;
 393	struct v4l2_fract *timeperframe = &out->timeperframe;
 394	u64 us_per_frame, fps;
 395
 396	if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 397	    a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 398		return -EINVAL;
 399
 400	memset(out->reserved, 0, sizeof(out->reserved));
 401
 402	if (!timeperframe->denominator)
 403		timeperframe->denominator = inst->timeperframe.denominator;
 404	if (!timeperframe->numerator)
 405		timeperframe->numerator = inst->timeperframe.numerator;
 406
 407	out->capability = V4L2_CAP_TIMEPERFRAME;
 408
 409	us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
 410	do_div(us_per_frame, timeperframe->denominator);
 411
 412	us_per_frame = clamp(us_per_frame, 1, USEC_PER_SEC);
 413	fps = USEC_PER_SEC / (u32)us_per_frame;
 414	fps = min(VENUS_MAX_FPS, fps);
 415
 416	inst->timeperframe = *timeperframe;
 417	inst->fps = fps;
 418
 419	return 0;
 420}
 421
 422static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 423{
 424	struct venus_inst *inst = to_inst(file);
 425
 426	if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 427	    a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 428		return -EINVAL;
 429
 430	a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
 431	a->parm.output.timeperframe = inst->timeperframe;
 432
 433	return 0;
 434}
 435
 436static int venc_enum_framesizes(struct file *file, void *fh,
 437				struct v4l2_frmsizeenum *fsize)
 438{
 439	struct venus_inst *inst = to_inst(file);
 440	const struct venus_format *fmt;
 441
 442	fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 443
 444	fmt = find_format(inst, fsize->pixel_format,
 445			  V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 446	if (!fmt) {
 447		fmt = find_format(inst, fsize->pixel_format,
 448				  V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 449		if (!fmt)
 450			return -EINVAL;
 451	}
 452
 453	if (fsize->index)
 454		return -EINVAL;
 455
 456	fsize->stepwise.min_width = frame_width_min(inst);
 457	fsize->stepwise.max_width = frame_width_max(inst);
 458	fsize->stepwise.step_width = frame_width_step(inst);
 459	fsize->stepwise.min_height = frame_height_min(inst);
 460	fsize->stepwise.max_height = frame_height_max(inst);
 461	fsize->stepwise.step_height = frame_height_step(inst);
 462
 463	return 0;
 464}
 465
 466static int venc_enum_frameintervals(struct file *file, void *fh,
 467				    struct v4l2_frmivalenum *fival)
 468{
 469	struct venus_inst *inst = to_inst(file);
 470	const struct venus_format *fmt;
 471	unsigned int framerate_factor = 1;
 472
 473	fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
 474
 475	fmt = find_format(inst, fival->pixel_format,
 476			  V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 477	if (!fmt) {
 478		fmt = find_format(inst, fival->pixel_format,
 479				  V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 480		if (!fmt)
 481			return -EINVAL;
 482	}
 483
 484	if (fival->index)
 485		return -EINVAL;
 486
 487	if (!fival->width || !fival->height)
 488		return -EINVAL;
 489
 490	if (fival->width > frame_width_max(inst) ||
 491	    fival->width < frame_width_min(inst) ||
 492	    fival->height > frame_height_max(inst) ||
 493	    fival->height < frame_height_min(inst))
 494		return -EINVAL;
 495
 496	if (IS_V1(inst->core)) {
 497		/* framerate is reported in 1/65535 fps unit */
 498		framerate_factor = (1 << 16);
 499	}
 500
 501	fival->stepwise.min.numerator = 1;
 502	fival->stepwise.min.denominator = frate_max(inst) / framerate_factor;
 503	fival->stepwise.max.numerator = 1;
 504	fival->stepwise.max.denominator = frate_min(inst) / framerate_factor;
 505	fival->stepwise.step.numerator = 1;
 506	fival->stepwise.step.denominator = frate_max(inst) / framerate_factor;
 507
 508	return 0;
 509}
 510
 511static int venc_subscribe_event(struct v4l2_fh *fh,
 512				const struct v4l2_event_subscription *sub)
 513{
 514	switch (sub->type) {
 515	case V4L2_EVENT_EOS:
 516		return v4l2_event_subscribe(fh, sub, 2, NULL);
 517	case V4L2_EVENT_CTRL:
 518		return v4l2_ctrl_subscribe_event(fh, sub);
 519	default:
 520		return -EINVAL;
 521	}
 522}
 523
 524static int
 525venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd)
 526{
 527	struct venus_inst *inst = to_inst(file);
 528	struct hfi_frame_data fdata = {0};
 529	int ret = 0;
 530
 531	ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd);
 532	if (ret)
 533		return ret;
 534
 535	mutex_lock(&inst->lock);
 536
 537	if (cmd->cmd == V4L2_ENC_CMD_STOP &&
 538	    inst->enc_state == VENUS_ENC_STATE_ENCODING) {
 539		/*
 540		 * Implement V4L2_ENC_CMD_STOP by enqueue an empty buffer on
 541		 * encoder input to signal EOS.
 542		 */
 543		if (!(inst->streamon_out && inst->streamon_cap))
 544			goto unlock;
 545
 546		fdata.buffer_type = HFI_BUFFER_INPUT;
 547		fdata.flags |= HFI_BUFFERFLAG_EOS;
 548		fdata.device_addr = 0xdeadb000;
 549
 550		ret = hfi_session_process_buf(inst, &fdata);
 551
 552		inst->enc_state = VENUS_ENC_STATE_DRAIN;
 553	} else if (cmd->cmd == V4L2_ENC_CMD_START) {
 554		if (inst->enc_state == VENUS_ENC_STATE_DRAIN) {
 555			ret = -EBUSY;
 556			goto unlock;
 557		}
 558		if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
 559			vb2_clear_last_buffer_dequeued(&inst->fh.m2m_ctx->cap_q_ctx.q);
 560			inst->enc_state = VENUS_ENC_STATE_ENCODING;
 561		}
 562	}
 563
 564unlock:
 565	mutex_unlock(&inst->lock);
 566	return ret;
 567}
 568
 569static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 570	.vidioc_querycap = venc_querycap,
 571	.vidioc_enum_fmt_vid_cap = venc_enum_fmt,
 572	.vidioc_enum_fmt_vid_out = venc_enum_fmt,
 573	.vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
 574	.vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
 575	.vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
 576	.vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
 577	.vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
 578	.vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
 579	.vidioc_g_selection = venc_g_selection,
 580	.vidioc_s_selection = venc_s_selection,
 581	.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
 582	.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
 583	.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
 584	.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
 585	.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
 586	.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
 587	.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
 588	.vidioc_streamon = v4l2_m2m_ioctl_streamon,
 589	.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
 590	.vidioc_s_parm = venc_s_parm,
 591	.vidioc_g_parm = venc_g_parm,
 592	.vidioc_enum_framesizes = venc_enum_framesizes,
 593	.vidioc_enum_frameintervals = venc_enum_frameintervals,
 594	.vidioc_subscribe_event = venc_subscribe_event,
 595	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 596	.vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
 597	.vidioc_encoder_cmd = venc_encoder_cmd,
 598};
 599
 600static int venc_pm_get(struct venus_inst *inst)
 601{
 602	struct venus_core *core = inst->core;
 603	struct device *dev = core->dev_enc;
 604	int ret;
 605
 606	mutex_lock(&core->pm_lock);
 607	ret = pm_runtime_resume_and_get(dev);
 608	mutex_unlock(&core->pm_lock);
 609
 610	return ret < 0 ? ret : 0;
 611}
 612
 613static int venc_pm_put(struct venus_inst *inst, bool autosuspend)
 614{
 615	struct venus_core *core = inst->core;
 616	struct device *dev = core->dev_enc;
 617	int ret;
 618
 619	mutex_lock(&core->pm_lock);
 620
 621	if (autosuspend)
 622		ret = pm_runtime_put_autosuspend(dev);
 623	else
 624		ret = pm_runtime_put_sync(dev);
 625
 626	mutex_unlock(&core->pm_lock);
 627
 628	return ret < 0 ? ret : 0;
 629}
 630
 631static int venc_pm_get_put(struct venus_inst *inst)
 632{
 633	struct venus_core *core = inst->core;
 634	struct device *dev = core->dev_enc;
 635	int ret = 0;
 636
 637	mutex_lock(&core->pm_lock);
 638
 639	if (pm_runtime_suspended(dev)) {
 640		ret = pm_runtime_resume_and_get(dev);
 641		if (ret < 0)
 642			goto error;
 643
 644		ret = pm_runtime_put_autosuspend(dev);
 645	}
 646
 647error:
 648	mutex_unlock(&core->pm_lock);
 649
 650	return ret < 0 ? ret : 0;
 651}
 652
 653static void venc_pm_touch(struct venus_inst *inst)
 654{
 655	pm_runtime_mark_last_busy(inst->core->dev_enc);
 656}
 657
 658static int venc_set_properties(struct venus_inst *inst)
 659{
 660	struct venc_controls *ctr = &inst->controls.enc;
 661	struct hfi_intra_period intra_period;
 662	struct hfi_framerate frate;
 663	struct hfi_bitrate brate;
 664	struct hfi_idr_period idrp;
 665	struct hfi_quantization quant;
 666	struct hfi_quantization_range quant_range;
 667	struct hfi_quantization_range_v2 quant_range_v2;
 668	struct hfi_enable en;
 669	struct hfi_ltr_mode ltr_mode;
 670	struct hfi_intra_refresh intra_refresh = {};
 671	u32 ptype, rate_control, bitrate;
 672	u32 profile, level;
 673	int ret;
 674
 675	ret = venus_helper_set_work_mode(inst);
 676	if (ret)
 677		return ret;
 678
 679	ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
 680	frate.buffer_type = HFI_BUFFER_OUTPUT;
 681	frate.framerate = inst->fps * (1 << 16);
 682
 683	ret = hfi_session_set_property(inst, ptype, &frate);
 684	if (ret)
 685		return ret;
 686
 687	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 688		struct hfi_h264_vui_timing_info info;
 689		struct hfi_h264_entropy_control entropy;
 690		struct hfi_h264_db_control deblock;
 691		struct hfi_h264_8x8_transform h264_transform;
 692
 693		ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
 694		info.enable = 1;
 695		info.fixed_framerate = 1;
 696		info.time_scale = NSEC_PER_SEC;
 697
 698		ret = hfi_session_set_property(inst, ptype, &info);
 699		if (ret)
 700			return ret;
 701
 702		ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
 703		entropy.entropy_mode = venc_v4l2_to_hfi(
 704					  V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
 705					  ctr->h264_entropy_mode);
 706		entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
 707
 708		ret = hfi_session_set_property(inst, ptype, &entropy);
 709		if (ret)
 710			return ret;
 711
 712		ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
 713		deblock.mode = venc_v4l2_to_hfi(
 714				      V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
 715				      ctr->h264_loop_filter_mode);
 716		deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
 717		deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
 718
 719		ret = hfi_session_set_property(inst, ptype, &deblock);
 720		if (ret)
 721			return ret;
 722
 723		ptype = HFI_PROPERTY_PARAM_VENC_H264_TRANSFORM_8X8;
 724		h264_transform.enable_type = 0;
 725		if (ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_HIGH ||
 726		    ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH)
 727			h264_transform.enable_type = ctr->h264_8x8_transform;
 728
 729		ret = hfi_session_set_property(inst, ptype, &h264_transform);
 730		if (ret)
 731			return ret;
 732
 733		if (ctr->layer_bitrate) {
 734			unsigned int i;
 735
 736			ptype = HFI_PROPERTY_PARAM_VENC_HIER_P_MAX_NUM_ENH_LAYER;
 737			ret = hfi_session_set_property(inst, ptype, &ctr->h264_hier_layers);
 738			if (ret)
 739				return ret;
 740
 741			ptype = HFI_PROPERTY_CONFIG_VENC_HIER_P_ENH_LAYER;
 742			ret = hfi_session_set_property(inst, ptype, &ctr->layer_bitrate);
 743			if (ret)
 744				return ret;
 745
 746			for (i = 0; i < ctr->h264_hier_layers; ++i) {
 747				ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 748				brate.bitrate = ctr->h264_hier_layer_bitrate[i];
 749				brate.layer_id = i;
 750
 751				ret = hfi_session_set_property(inst, ptype, &brate);
 752				if (ret)
 753					return ret;
 754			}
 755		}
 756	}
 757
 758	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 759	    inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 760		/* IDR periodicity, n:
 761		 * n = 0 - only the first I-frame is IDR frame
 762		 * n = 1 - all I-frames will be IDR frames
 763		 * n > 1 - every n-th I-frame will be IDR frame
 764		 */
 765		ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
 766		idrp.idr_period = 0;
 767		ret = hfi_session_set_property(inst, ptype, &idrp);
 768		if (ret)
 769			return ret;
 770	}
 771
 772	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC &&
 773	    ctr->profile.hevc == V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10) {
 774		struct hfi_hdr10_pq_sei hdr10;
 775		unsigned int c;
 776
 777		ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI;
 778
 779		for (c = 0; c < 3; c++) {
 780			hdr10.mastering.display_primaries_x[c] =
 781				ctr->mastering.display_primaries_x[c];
 782			hdr10.mastering.display_primaries_y[c] =
 783				ctr->mastering.display_primaries_y[c];
 784		}
 785
 786		hdr10.mastering.white_point_x = ctr->mastering.white_point_x;
 787		hdr10.mastering.white_point_y = ctr->mastering.white_point_y;
 788		hdr10.mastering.max_display_mastering_luminance =
 789			ctr->mastering.max_display_mastering_luminance;
 790		hdr10.mastering.min_display_mastering_luminance =
 791			ctr->mastering.min_display_mastering_luminance;
 792
 793		hdr10.cll.max_content_light = ctr->cll.max_content_light_level;
 794		hdr10.cll.max_pic_average_light =
 795			ctr->cll.max_pic_average_light_level;
 796
 797		ret = hfi_session_set_property(inst, ptype, &hdr10);
 798		if (ret)
 799			return ret;
 800	}
 801
 802	if (ctr->num_b_frames) {
 803		u32 max_num_b_frames = NUM_B_FRAMES_MAX;
 804
 805		ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
 806		ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
 807		if (ret)
 808			return ret;
 809	}
 810
 811	ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
 812	intra_period.pframes = ctr->num_p_frames;
 813	intra_period.bframes = ctr->num_b_frames;
 814
 815	ret = hfi_session_set_property(inst, ptype, &intra_period);
 816	if (ret)
 817		return ret;
 818
 819	if (!ctr->rc_enable)
 820		rate_control = HFI_RATE_CONTROL_OFF;
 821	else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 822		rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR :
 823						      HFI_RATE_CONTROL_VBR_CFR;
 824	else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
 825		rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR :
 826						      HFI_RATE_CONTROL_CBR_CFR;
 827	else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
 828		rate_control = HFI_RATE_CONTROL_CQ;
 829
 830	ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
 831	ret = hfi_session_set_property(inst, ptype, &rate_control);
 832	if (ret)
 833		return ret;
 834
 835	if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
 836		struct hfi_heic_frame_quality quality = {};
 837
 838		ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
 839		quality.frame_quality = ctr->const_quality;
 840		ret = hfi_session_set_property(inst, ptype, &quality);
 841		if (ret)
 842			return ret;
 843	}
 844
 845	if (!ctr->layer_bitrate) {
 846		if (!ctr->bitrate)
 847			bitrate = 64000;
 848		else
 849			bitrate = ctr->bitrate;
 850
 851		ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 852		brate.bitrate = bitrate;
 853		brate.layer_id = 0;
 854
 855		ret = hfi_session_set_property(inst, ptype, &brate);
 856		if (ret)
 857			return ret;
 858
 859		if (!ctr->bitrate_peak)
 860			bitrate *= 2;
 861		else
 862			bitrate = ctr->bitrate_peak;
 863
 864		ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
 865		brate.bitrate = bitrate;
 866		brate.layer_id = 0;
 867
 868		ret = hfi_session_set_property(inst, ptype, &brate);
 869		if (ret)
 870			return ret;
 871	}
 872
 873	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 874	    inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 875		ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
 876		if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
 877			en.enable = 0;
 878		else
 879			en.enable = 1;
 880
 881		ret = hfi_session_set_property(inst, ptype, &en);
 882		if (ret)
 883			return ret;
 884	}
 885
 886	ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
 887	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 888		quant.qp_i = ctr->hevc_i_qp;
 889		quant.qp_p = ctr->hevc_p_qp;
 890		quant.qp_b = ctr->hevc_b_qp;
 891	} else {
 892		quant.qp_i = ctr->h264_i_qp;
 893		quant.qp_p = ctr->h264_p_qp;
 894		quant.qp_b = ctr->h264_b_qp;
 895	}
 896	quant.layer_id = 0;
 897	ret = hfi_session_set_property(inst, ptype, &quant);
 898	if (ret)
 899		return ret;
 900
 901	if (inst->core->res->hfi_version == HFI_VERSION_4XX ||
 902	    inst->core->res->hfi_version == HFI_VERSION_6XX) {
 903		ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2;
 904
 905		if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 906			quant_range_v2.min_qp.qp_packed = ctr->hevc_min_qp;
 907			quant_range_v2.max_qp.qp_packed = ctr->hevc_max_qp;
 908		} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 909			quant_range_v2.min_qp.qp_packed = ctr->vp8_min_qp;
 910			quant_range_v2.max_qp.qp_packed = ctr->vp8_max_qp;
 911		} else {
 912			quant_range_v2.min_qp.qp_packed = ctr->h264_min_qp;
 913			quant_range_v2.max_qp.qp_packed = ctr->h264_max_qp;
 914		}
 915
 916		ret = hfi_session_set_property(inst, ptype, &quant_range_v2);
 917	} else {
 918		ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
 919
 920		if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 921			quant_range.min_qp = ctr->hevc_min_qp;
 922			quant_range.max_qp = ctr->hevc_max_qp;
 923		} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 924			quant_range.min_qp = ctr->vp8_min_qp;
 925			quant_range.max_qp = ctr->vp8_max_qp;
 926		} else {
 927			quant_range.min_qp = ctr->h264_min_qp;
 928			quant_range.max_qp = ctr->h264_max_qp;
 929		}
 930
 931		quant_range.layer_id = 0;
 932		ret = hfi_session_set_property(inst, ptype, &quant_range);
 933	}
 934
 935	if (ret)
 936		return ret;
 937
 938	ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE;
 939	ltr_mode.ltr_count = ctr->ltr_count;
 940	ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL;
 941	ltr_mode.trust_mode = 1;
 942	ret = hfi_session_set_property(inst, ptype, &ltr_mode);
 943	if (ret)
 944		return ret;
 945
 946	switch (inst->hfi_codec) {
 947	case HFI_VIDEO_CODEC_H264:
 948		profile = ctr->profile.h264;
 949		level = ctr->level.h264;
 950		break;
 951	case HFI_VIDEO_CODEC_MPEG4:
 952		profile = ctr->profile.mpeg4;
 953		level = ctr->level.mpeg4;
 954		break;
 955	case HFI_VIDEO_CODEC_VP8:
 956		profile = ctr->profile.vp8;
 957		level = 0;
 958		break;
 959	case HFI_VIDEO_CODEC_VP9:
 960		profile = ctr->profile.vp9;
 961		level = ctr->level.vp9;
 962		break;
 963	case HFI_VIDEO_CODEC_HEVC:
 964		profile = ctr->profile.hevc;
 965		level = ctr->level.hevc;
 966		break;
 967	case HFI_VIDEO_CODEC_MPEG2:
 968	default:
 969		profile = 0;
 970		level = 0;
 971		break;
 972	}
 973
 974	ret = venus_helper_set_profile_level(inst, profile, level);
 975	if (ret)
 976		return ret;
 977
 978	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 979	    inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 980		struct hfi_enable en = {};
 981
 982		ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL;
 983
 984		if (ctr->aud_enable)
 985			en.enable = 1;
 986
 987		ret = hfi_session_set_property(inst, ptype, &en);
 988	}
 989
 990	if ((inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
 991	     inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) &&
 992	    (rate_control == HFI_RATE_CONTROL_CBR_VFR ||
 993	     rate_control == HFI_RATE_CONTROL_CBR_CFR)) {
 994		intra_refresh.mode = HFI_INTRA_REFRESH_NONE;
 995		intra_refresh.cir_mbs = 0;
 996
 997		if (ctr->intra_refresh_period) {
 998			u32 mbs;
 999
1000			mbs = ALIGN(inst->width, 16) * ALIGN(inst->height, 16);
1001			mbs /= 16 * 16;
1002			if (mbs % ctr->intra_refresh_period)
1003				mbs++;
1004			mbs /= ctr->intra_refresh_period;
1005
1006			intra_refresh.cir_mbs = mbs;
1007			if (ctr->intra_refresh_type ==
1008			    V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC)
1009				intra_refresh.mode = HFI_INTRA_REFRESH_CYCLIC;
1010			else
1011				intra_refresh.mode = HFI_INTRA_REFRESH_RANDOM;
1012		}
1013
1014		ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH;
1015
1016		ret = hfi_session_set_property(inst, ptype, &intra_refresh);
1017		if (ret)
1018			return ret;
1019	}
1020
1021	return 0;
1022}
1023
1024static int venc_init_session(struct venus_inst *inst)
1025{
1026	int ret;
1027
1028	ret = venus_helper_session_init(inst);
1029	if (ret == -EALREADY)
1030		return 0;
1031	else if (ret)
1032		return ret;
1033
1034	ret = venus_helper_set_stride(inst, inst->out_width,
1035				      inst->out_height);
1036	if (ret)
1037		goto deinit;
1038
1039	ret = venus_helper_set_input_resolution(inst, inst->width,
1040						inst->height);
1041	if (ret)
1042		goto deinit;
1043
1044	ret = venus_helper_set_output_resolution(inst, inst->width,
1045						 inst->height,
1046						 HFI_BUFFER_OUTPUT);
1047	if (ret)
1048		goto deinit;
1049
1050	ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
1051	if (ret)
1052		goto deinit;
1053
1054	ret = venc_set_properties(inst);
1055	if (ret)
1056		goto deinit;
1057
1058	return 0;
1059deinit:
1060	hfi_session_deinit(inst);
1061	return ret;
1062}
1063
1064static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
1065{
1066	struct hfi_buffer_requirements bufreq;
1067	int ret;
1068
1069	ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
1070	if (ret)
1071		return ret;
1072
1073	*num = bufreq.count_actual;
1074
1075	return 0;
1076}
1077
1078static int venc_queue_setup(struct vb2_queue *q,
1079			    unsigned int *num_buffers, unsigned int *num_planes,
1080			    unsigned int sizes[], struct device *alloc_devs[])
1081{
1082	struct venus_inst *inst = vb2_get_drv_priv(q);
1083	struct venus_core *core = inst->core;
1084	unsigned int num, min = 4;
1085	int ret;
1086
1087	if (*num_planes) {
1088		if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1089		    *num_planes != inst->fmt_out->num_planes)
1090			return -EINVAL;
1091
1092		if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1093		    *num_planes != inst->fmt_cap->num_planes)
1094			return -EINVAL;
1095
1096		if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
1097		    sizes[0] < inst->input_buf_size)
1098			return -EINVAL;
1099
1100		if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
1101		    sizes[0] < inst->output_buf_size)
1102			return -EINVAL;
1103
1104		return 0;
1105	}
1106
1107	if (test_bit(0, &core->sys_error)) {
1108		if (inst->nonblock)
1109			return -EAGAIN;
1110
1111		ret = wait_event_interruptible(core->sys_err_done,
1112					       !test_bit(0, &core->sys_error));
1113		if (ret)
1114			return ret;
1115	}
1116
1117	ret = venc_pm_get(inst);
1118	if (ret)
1119		return ret;
1120
1121	mutex_lock(&inst->lock);
1122	ret = venc_init_session(inst);
1123	mutex_unlock(&inst->lock);
1124
1125	if (ret)
1126		goto put_power;
1127
1128	ret = venc_pm_put(inst, false);
1129	if (ret)
1130		return ret;
1131
1132	switch (q->type) {
1133	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
1134		*num_planes = inst->fmt_out->num_planes;
1135
1136		ret = venc_out_num_buffers(inst, &num);
1137		if (ret)
1138			break;
1139
1140		num = max(num, min);
1141		*num_buffers = max(*num_buffers, num);
1142		inst->num_input_bufs = *num_buffers;
1143
1144		sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
1145						    inst->out_width,
1146						    inst->out_height);
1147		inst->input_buf_size = sizes[0];
1148		break;
1149	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
1150		*num_planes = inst->fmt_cap->num_planes;
1151		*num_buffers = max(*num_buffers, min);
1152		inst->num_output_bufs = *num_buffers;
1153		sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
1154						    inst->width,
1155						    inst->height);
1156		sizes[0] = max(sizes[0], inst->output_buf_size);
1157		inst->output_buf_size = sizes[0];
1158		break;
1159	default:
1160		ret = -EINVAL;
1161		break;
1162	}
1163
1164	return ret;
1165put_power:
1166	venc_pm_put(inst, false);
1167	return ret;
1168}
1169
1170static int venc_buf_init(struct vb2_buffer *vb)
1171{
1172	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1173
1174	inst->buf_count++;
1175
1176	return venus_helper_vb2_buf_init(vb);
1177}
1178
1179static void venc_release_session(struct venus_inst *inst)
1180{
1181	int ret;
1182
1183	venc_pm_get(inst);
1184
1185	mutex_lock(&inst->lock);
1186
1187	ret = hfi_session_deinit(inst);
1188	if (ret || inst->session_error)
1189		hfi_session_abort(inst);
1190
1191	mutex_unlock(&inst->lock);
1192
1193	venus_pm_load_scale(inst);
1194	INIT_LIST_HEAD(&inst->registeredbufs);
1195	venus_pm_release_core(inst);
1196
1197	venc_pm_put(inst, false);
1198}
1199
1200static void venc_buf_cleanup(struct vb2_buffer *vb)
1201{
1202	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1203	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1204	struct venus_buffer *buf = to_venus_buffer(vbuf);
1205
1206	mutex_lock(&inst->lock);
1207	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1208		if (!list_empty(&inst->registeredbufs))
1209			list_del_init(&buf->reg_list);
1210	mutex_unlock(&inst->lock);
1211
1212	inst->buf_count--;
1213	if (!inst->buf_count)
1214		venc_release_session(inst);
1215}
1216
1217static int venc_verify_conf(struct venus_inst *inst)
1218{
1219	enum hfi_version ver = inst->core->res->hfi_version;
1220	struct hfi_buffer_requirements bufreq;
1221	int ret;
1222
1223	if (!inst->num_input_bufs || !inst->num_output_bufs)
1224		return -EINVAL;
1225
1226	ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
1227	if (ret)
1228		return ret;
1229
1230	if (inst->num_output_bufs < bufreq.count_actual ||
1231	    inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
1232		return -EINVAL;
1233
1234	ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
1235	if (ret)
1236		return ret;
1237
1238	if (inst->num_input_bufs < bufreq.count_actual ||
1239	    inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver))
1240		return -EINVAL;
1241
1242	return 0;
1243}
1244
1245static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
1246{
1247	struct venus_inst *inst = vb2_get_drv_priv(q);
1248	int ret;
1249
1250	mutex_lock(&inst->lock);
1251
1252	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1253		inst->streamon_out = 1;
1254	else
1255		inst->streamon_cap = 1;
1256
1257	if (!(inst->streamon_out & inst->streamon_cap)) {
1258		mutex_unlock(&inst->lock);
1259		return 0;
1260	}
1261
1262	venus_helper_init_instance(inst);
1263
1264	inst->sequence_cap = 0;
1265	inst->sequence_out = 0;
1266
1267	ret = venc_pm_get(inst);
1268	if (ret)
1269		goto error;
1270
1271	ret = venus_pm_acquire_core(inst);
1272	if (ret)
1273		goto put_power;
1274
1275	ret = venc_pm_put(inst, true);
1276	if (ret)
1277		goto error;
1278
1279	ret = venc_set_properties(inst);
1280	if (ret)
1281		goto error;
1282
1283	ret = venc_verify_conf(inst);
1284	if (ret)
1285		goto error;
1286
1287	ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
1288					inst->num_output_bufs, 0);
1289	if (ret)
1290		goto error;
1291
1292	ret = venus_helper_vb2_start_streaming(inst);
1293	if (ret)
1294		goto error;
1295
1296	inst->enc_state = VENUS_ENC_STATE_ENCODING;
1297
1298	mutex_unlock(&inst->lock);
1299
1300	return 0;
1301
1302put_power:
1303	venc_pm_put(inst, false);
1304error:
1305	venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
1306	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1307		inst->streamon_out = 0;
1308	else
1309		inst->streamon_cap = 0;
1310	mutex_unlock(&inst->lock);
1311	return ret;
1312}
1313
1314static void venc_vb2_buf_queue(struct vb2_buffer *vb)
1315{
1316	struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
1317	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
1318
1319	venc_pm_get_put(inst);
1320
1321	mutex_lock(&inst->lock);
1322
1323	if (inst->enc_state == VENUS_ENC_STATE_STOPPED) {
1324		vbuf->sequence = inst->sequence_cap++;
1325		vbuf->field = V4L2_FIELD_NONE;
1326		vb2_set_plane_payload(vb, 0, 0);
1327		v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1328		mutex_unlock(&inst->lock);
1329		return;
1330	}
1331
1332	venus_helper_vb2_buf_queue(vb);
1333	mutex_unlock(&inst->lock);
1334}
1335
1336static const struct vb2_ops venc_vb2_ops = {
1337	.queue_setup = venc_queue_setup,
1338	.buf_init = venc_buf_init,
1339	.buf_cleanup = venc_buf_cleanup,
1340	.buf_prepare = venus_helper_vb2_buf_prepare,
1341	.start_streaming = venc_start_streaming,
1342	.stop_streaming = venus_helper_vb2_stop_streaming,
1343	.buf_queue = venc_vb2_buf_queue,
1344};
1345
1346static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1347			  u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1348			  u32 hfi_flags, u64 timestamp_us)
1349{
1350	struct vb2_v4l2_buffer *vbuf;
1351	struct vb2_buffer *vb;
1352	unsigned int type;
1353
1354	venc_pm_touch(inst);
1355
1356	if (buf_type == HFI_BUFFER_INPUT)
1357		type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1358	else
1359		type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1360
1361	vbuf = venus_helper_find_buf(inst, type, tag);
1362	if (!vbuf)
1363		return;
1364
1365	vbuf->flags = flags;
1366
1367	if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1368		vb = &vbuf->vb2_buf;
1369		vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1370		vb->planes[0].data_offset = data_offset;
1371		vb->timestamp = timestamp_us * NSEC_PER_USEC;
1372		vbuf->sequence = inst->sequence_cap++;
1373		if ((vbuf->flags & V4L2_BUF_FLAG_LAST) &&
1374		    inst->enc_state == VENUS_ENC_STATE_DRAIN) {
1375			inst->enc_state = VENUS_ENC_STATE_STOPPED;
1376		}
1377	} else {
1378		vbuf->sequence = inst->sequence_out++;
1379	}
1380
1381	v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1382}
1383
1384static void venc_event_notify(struct venus_inst *inst, u32 event,
1385			      struct hfi_event_data *data)
1386{
1387	struct device *dev = inst->core->dev_enc;
1388
1389	venc_pm_touch(inst);
1390
1391	if (event == EVT_SESSION_ERROR) {
1392		inst->session_error = true;
1393		venus_helper_vb2_queue_error(inst);
1394		dev_err(dev, "enc: event session error %x\n", inst->error);
1395	}
1396}
1397
1398static const struct hfi_inst_ops venc_hfi_ops = {
1399	.buf_done = venc_buf_done,
1400	.event_notify = venc_event_notify,
1401};
1402
1403static const struct v4l2_m2m_ops venc_m2m_ops = {
1404	.device_run = venus_helper_m2m_device_run,
1405	.job_abort = venus_helper_m2m_job_abort,
1406};
1407
1408static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1409			  struct vb2_queue *dst_vq)
1410{
1411	struct venus_inst *inst = priv;
1412	int ret;
1413
1414	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1415	src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1416	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1417	src_vq->ops = &venc_vb2_ops;
1418	src_vq->mem_ops = &vb2_dma_contig_memops;
1419	src_vq->drv_priv = inst;
1420	src_vq->buf_struct_size = sizeof(struct venus_buffer);
1421	src_vq->allow_zero_bytesused = 1;
1422	src_vq->min_queued_buffers = 1;
1423	src_vq->dev = inst->core->dev;
1424	src_vq->lock = &inst->ctx_q_lock;
1425	if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1426		src_vq->bidirectional = 1;
1427	ret = vb2_queue_init(src_vq);
1428	if (ret)
1429		return ret;
1430
1431	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1432	dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
1433	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1434	dst_vq->ops = &venc_vb2_ops;
1435	dst_vq->mem_ops = &vb2_dma_contig_memops;
1436	dst_vq->drv_priv = inst;
1437	dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1438	dst_vq->allow_zero_bytesused = 1;
1439	dst_vq->min_queued_buffers = 1;
1440	dst_vq->dev = inst->core->dev;
1441	dst_vq->lock = &inst->ctx_q_lock;
1442	return vb2_queue_init(dst_vq);
1443}
1444
1445static void venc_inst_init(struct venus_inst *inst)
1446{
1447	inst->fmt_cap = &venc_formats[VENUS_FMT_H264];
1448	inst->fmt_out = &venc_formats[VENUS_FMT_NV12];
1449	inst->width = 1280;
1450	inst->height = ALIGN(720, 32);
1451	inst->out_width = 1280;
1452	inst->out_height = 720;
1453	inst->fps = 15;
1454	inst->timeperframe.numerator = 1;
1455	inst->timeperframe.denominator = 15;
1456	inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1457}
1458
1459static int venc_open(struct file *file)
1460{
1461	struct venus_core *core = video_drvdata(file);
1462	struct venus_inst *inst;
1463	int ret;
1464
1465	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1466	if (!inst)
1467		return -ENOMEM;
1468
1469	INIT_LIST_HEAD(&inst->dpbbufs);
1470	INIT_LIST_HEAD(&inst->registeredbufs);
1471	INIT_LIST_HEAD(&inst->internalbufs);
1472	INIT_LIST_HEAD(&inst->list);
1473	mutex_init(&inst->lock);
1474	mutex_init(&inst->ctx_q_lock);
1475
1476	inst->core = core;
1477	inst->session_type = VIDC_SESSION_TYPE_ENC;
1478	inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
1479	inst->core_acquired = false;
1480	inst->nonblock = file->f_flags & O_NONBLOCK;
1481
1482	if (inst->enc_state == VENUS_ENC_STATE_DEINIT)
1483		inst->enc_state = VENUS_ENC_STATE_INIT;
1484
1485	venus_helper_init_instance(inst);
1486
1487	ret = venc_ctrl_init(inst);
1488	if (ret)
1489		goto err_free;
1490
1491	venc_inst_init(inst);
1492
1493	/*
1494	 * create m2m device for every instance, the m2m context scheduling
1495	 * is made by firmware side so we do not need to care about.
1496	 */
1497	inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1498	if (IS_ERR(inst->m2m_dev)) {
1499		ret = PTR_ERR(inst->m2m_dev);
1500		goto err_ctrl_deinit;
1501	}
1502
1503	inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1504	if (IS_ERR(inst->m2m_ctx)) {
1505		ret = PTR_ERR(inst->m2m_ctx);
1506		goto err_m2m_dev_release;
1507	}
1508
1509	ret = hfi_session_create(inst, &venc_hfi_ops);
1510	if (ret)
1511		goto err_m2m_ctx_release;
1512
1513	v4l2_fh_init(&inst->fh, core->vdev_enc);
1514
1515	inst->fh.ctrl_handler = &inst->ctrl_handler;
1516	v4l2_fh_add(&inst->fh, file);
1517	inst->fh.m2m_ctx = inst->m2m_ctx;
1518
1519	return 0;
1520
1521err_m2m_ctx_release:
1522	v4l2_m2m_ctx_release(inst->m2m_ctx);
1523err_m2m_dev_release:
1524	v4l2_m2m_release(inst->m2m_dev);
1525err_ctrl_deinit:
1526	v4l2_ctrl_handler_free(&inst->ctrl_handler);
1527err_free:
1528	kfree(inst);
1529	return ret;
1530}
1531
1532static int venc_close(struct file *file)
1533{
1534	struct venus_inst *inst = to_inst(file);
1535
1536	venc_pm_get(inst);
1537	venus_close_common(inst, file);
1538	inst->enc_state = VENUS_ENC_STATE_DEINIT;
1539	venc_pm_put(inst, false);
1540
1541	kfree(inst);
1542	return 0;
1543}
1544
1545static const struct v4l2_file_operations venc_fops = {
1546	.owner = THIS_MODULE,
1547	.open = venc_open,
1548	.release = venc_close,
1549	.unlocked_ioctl = video_ioctl2,
1550	.poll = v4l2_m2m_fop_poll,
1551	.mmap = v4l2_m2m_fop_mmap,
1552};
1553
1554static int venc_probe(struct platform_device *pdev)
1555{
1556	struct device *dev = &pdev->dev;
1557	struct video_device *vdev;
1558	struct venus_core *core;
1559	int ret;
1560
1561	core = dev_get_drvdata(dev->parent);
1562	if (!core)
1563		return -EINVAL;
1564
1565	platform_set_drvdata(pdev, core);
1566
1567	if (core->pm_ops->venc_get) {
1568		ret = core->pm_ops->venc_get(dev);
1569		if (ret)
1570			return ret;
1571	}
1572
1573	vdev = video_device_alloc();
1574	if (!vdev)
1575		return -ENOMEM;
1576
1577	strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1578	vdev->release = video_device_release;
1579	vdev->fops = &venc_fops;
1580	vdev->ioctl_ops = &venc_ioctl_ops;
1581	vdev->vfl_dir = VFL_DIR_M2M;
1582	vdev->v4l2_dev = &core->v4l2_dev;
1583	vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1584
1585	ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
1586	if (ret)
1587		goto err_vdev_release;
1588
1589	core->vdev_enc = vdev;
1590	core->dev_enc = dev;
1591
1592	video_set_drvdata(vdev, core);
1593	pm_runtime_set_autosuspend_delay(dev, 2000);
1594	pm_runtime_use_autosuspend(dev);
1595	pm_runtime_enable(dev);
1596
1597	return 0;
1598
1599err_vdev_release:
1600	video_device_release(vdev);
1601	return ret;
1602}
1603
1604static void venc_remove(struct platform_device *pdev)
1605{
1606	struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1607
1608	video_unregister_device(core->vdev_enc);
1609	pm_runtime_disable(core->dev_enc);
1610
1611	if (core->pm_ops->venc_put)
1612		core->pm_ops->venc_put(core->dev_enc);
1613}
1614
1615static __maybe_unused int venc_runtime_suspend(struct device *dev)
1616{
1617	struct venus_core *core = dev_get_drvdata(dev);
1618	const struct venus_pm_ops *pm_ops = core->pm_ops;
1619	int ret = 0;
1620
1621	if (pm_ops->venc_power)
1622		ret = pm_ops->venc_power(dev, POWER_OFF);
1623
1624	return ret;
1625}
1626
1627static __maybe_unused int venc_runtime_resume(struct device *dev)
1628{
1629	struct venus_core *core = dev_get_drvdata(dev);
1630	const struct venus_pm_ops *pm_ops = core->pm_ops;
1631	int ret = 0;
1632
1633	if (pm_ops->venc_power)
1634		ret = pm_ops->venc_power(dev, POWER_ON);
1635
1636	return ret;
1637}
1638
1639static const struct dev_pm_ops venc_pm_ops = {
1640	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1641				pm_runtime_force_resume)
1642	SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1643};
1644
1645static const struct of_device_id venc_dt_match[] = {
1646	{ .compatible = "venus-encoder" },
1647	{ }
1648};
1649MODULE_DEVICE_TABLE(of, venc_dt_match);
1650
1651static struct platform_driver qcom_venus_enc_driver = {
1652	.probe = venc_probe,
1653	.remove = venc_remove,
1654	.driver = {
1655		.name = "qcom-venus-encoder",
1656		.of_match_table = venc_dt_match,
1657		.pm = &venc_pm_ops,
1658	},
1659};
1660module_platform_driver(qcom_venus_enc_driver);
1661
1662MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1663MODULE_LICENSE("GPL v2");