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 */ 34 static const struct venus_format venc_formats[] = { 35 { 36 .pixfmt = V4L2_PIX_FMT_NV12, 37 .num_planes = 1, 38 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 39 }, { 40 .pixfmt = V4L2_PIX_FMT_MPEG4, 41 .num_planes = 1, 42 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 43 }, { 44 .pixfmt = V4L2_PIX_FMT_H263, 45 .num_planes = 1, 46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 47 }, { 48 .pixfmt = V4L2_PIX_FMT_H264, 49 .num_planes = 1, 50 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 51 }, { 52 .pixfmt = V4L2_PIX_FMT_VP8, 53 .num_planes = 1, 54 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 55 }, { 56 .pixfmt = V4L2_PIX_FMT_HEVC, 57 .num_planes = 1, 58 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 59 }, 60 }; 61 62 static const struct venus_format * 63 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 64 { 65 const struct venus_format *fmt = venc_formats; 66 unsigned int size = ARRAY_SIZE(venc_formats); 67 unsigned int i; 68 69 for (i = 0; i < size; i++) { 70 if (fmt[i].pixfmt == pixfmt) 71 break; 72 } 73 74 if (i == size || fmt[i].type != type) 75 return NULL; 76 77 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 78 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 79 return NULL; 80 81 return &fmt[i]; 82 } 83 84 static const struct venus_format * 85 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 86 { 87 const struct venus_format *fmt = venc_formats; 88 unsigned int size = ARRAY_SIZE(venc_formats); 89 unsigned int i, k = 0; 90 91 if (index > size) 92 return NULL; 93 94 for (i = 0; i < size; i++) { 95 bool valid; 96 97 if (fmt[i].type != type) 98 continue; 99 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 100 venus_helper_check_codec(inst, fmt[i].pixfmt); 101 if (k == index && valid) 102 break; 103 if (valid) 104 k++; 105 } 106 107 if (i == size) 108 return NULL; 109 110 return &fmt[i]; 111 } 112 113 static int venc_v4l2_to_hfi(int id, int value) 114 { 115 switch (id) { 116 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: 117 switch (value) { 118 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC: 119 default: 120 return HFI_H264_ENTROPY_CAVLC; 121 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC: 122 return HFI_H264_ENTROPY_CABAC; 123 } 124 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: 125 switch (value) { 126 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED: 127 default: 128 return HFI_H264_DB_MODE_ALL_BOUNDARY; 129 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED: 130 return HFI_H264_DB_MODE_DISABLE; 131 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY: 132 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY; 133 } 134 } 135 136 return 0; 137 } 138 139 static int 140 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 141 { 142 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 143 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card)); 144 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 145 146 return 0; 147 } 148 149 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 150 { 151 struct venus_inst *inst = to_inst(file); 152 const struct venus_format *fmt; 153 154 fmt = find_format_by_index(inst, f->index, f->type); 155 156 memset(f->reserved, 0, sizeof(f->reserved)); 157 158 if (!fmt) 159 return -EINVAL; 160 161 f->pixelformat = fmt->pixfmt; 162 163 return 0; 164 } 165 166 static const struct venus_format * 167 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 168 { 169 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 170 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 171 const struct venus_format *fmt; 172 u32 sizeimage; 173 174 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 175 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 176 177 fmt = find_format(inst, pixmp->pixelformat, f->type); 178 if (!fmt) { 179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 180 pixmp->pixelformat = V4L2_PIX_FMT_H264; 181 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 182 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 183 else 184 return NULL; 185 fmt = find_format(inst, pixmp->pixelformat, f->type); 186 if (!fmt) 187 return NULL; 188 } 189 190 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 191 frame_width_max(inst)); 192 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 193 frame_height_max(inst)); 194 195 pixmp->width = ALIGN(pixmp->width, 128); 196 pixmp->height = ALIGN(pixmp->height, 32); 197 198 pixmp->width = ALIGN(pixmp->width, 2); 199 pixmp->height = ALIGN(pixmp->height, 2); 200 201 if (pixmp->field == V4L2_FIELD_ANY) 202 pixmp->field = V4L2_FIELD_NONE; 203 pixmp->num_planes = fmt->num_planes; 204 pixmp->flags = 0; 205 206 sizeimage = venus_helper_get_framesz(pixmp->pixelformat, 207 pixmp->width, 208 pixmp->height); 209 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage); 210 211 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 212 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 213 else 214 pfmt[0].bytesperline = 0; 215 216 return fmt; 217 } 218 219 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 220 { 221 struct venus_inst *inst = to_inst(file); 222 223 venc_try_fmt_common(inst, f); 224 225 return 0; 226 } 227 228 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 229 { 230 struct venus_inst *inst = to_inst(file); 231 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 232 struct v4l2_pix_format_mplane orig_pixmp; 233 const struct venus_format *fmt; 234 struct v4l2_format format; 235 u32 pixfmt_out = 0, pixfmt_cap = 0; 236 struct vb2_queue *q; 237 238 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 239 if (!q) 240 return -EINVAL; 241 242 if (vb2_is_busy(q)) 243 return -EBUSY; 244 245 orig_pixmp = *pixmp; 246 247 fmt = venc_try_fmt_common(inst, f); 248 if (!fmt) 249 return -EINVAL; 250 251 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 252 pixfmt_out = pixmp->pixelformat; 253 pixfmt_cap = inst->fmt_cap->pixfmt; 254 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 255 pixfmt_cap = pixmp->pixelformat; 256 pixfmt_out = inst->fmt_out->pixfmt; 257 } 258 259 memset(&format, 0, sizeof(format)); 260 261 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 262 format.fmt.pix_mp.pixelformat = pixfmt_out; 263 format.fmt.pix_mp.width = orig_pixmp.width; 264 format.fmt.pix_mp.height = orig_pixmp.height; 265 venc_try_fmt_common(inst, &format); 266 267 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 268 inst->out_width = format.fmt.pix_mp.width; 269 inst->out_height = format.fmt.pix_mp.height; 270 inst->colorspace = pixmp->colorspace; 271 inst->ycbcr_enc = pixmp->ycbcr_enc; 272 inst->quantization = pixmp->quantization; 273 inst->xfer_func = pixmp->xfer_func; 274 } 275 276 memset(&format, 0, sizeof(format)); 277 278 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 279 format.fmt.pix_mp.pixelformat = pixfmt_cap; 280 format.fmt.pix_mp.width = orig_pixmp.width; 281 format.fmt.pix_mp.height = orig_pixmp.height; 282 venc_try_fmt_common(inst, &format); 283 284 inst->width = format.fmt.pix_mp.width; 285 inst->height = format.fmt.pix_mp.height; 286 287 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 288 inst->fmt_out = fmt; 289 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 290 inst->fmt_cap = fmt; 291 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage; 292 } 293 294 return 0; 295 } 296 297 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 298 { 299 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 300 struct venus_inst *inst = to_inst(file); 301 const struct venus_format *fmt; 302 303 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 304 fmt = inst->fmt_cap; 305 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 306 fmt = inst->fmt_out; 307 else 308 return -EINVAL; 309 310 pixmp->pixelformat = fmt->pixfmt; 311 312 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 313 pixmp->width = inst->width; 314 pixmp->height = inst->height; 315 pixmp->colorspace = inst->colorspace; 316 pixmp->ycbcr_enc = inst->ycbcr_enc; 317 pixmp->quantization = inst->quantization; 318 pixmp->xfer_func = inst->xfer_func; 319 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 320 pixmp->width = inst->out_width; 321 pixmp->height = inst->out_height; 322 } 323 324 venc_try_fmt_common(inst, f); 325 326 return 0; 327 } 328 329 static int 330 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 331 { 332 struct venus_inst *inst = to_inst(file); 333 334 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 335 return -EINVAL; 336 337 switch (s->target) { 338 case V4L2_SEL_TGT_CROP_DEFAULT: 339 case V4L2_SEL_TGT_CROP_BOUNDS: 340 s->r.width = inst->out_width; 341 s->r.height = inst->out_height; 342 break; 343 case V4L2_SEL_TGT_CROP: 344 s->r.width = inst->width; 345 s->r.height = inst->height; 346 break; 347 default: 348 return -EINVAL; 349 } 350 351 s->r.top = 0; 352 s->r.left = 0; 353 354 return 0; 355 } 356 357 static int 358 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) 359 { 360 struct venus_inst *inst = to_inst(file); 361 362 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 363 return -EINVAL; 364 365 if (s->r.width > inst->out_width || 366 s->r.height > inst->out_height) 367 return -EINVAL; 368 369 s->r.width = ALIGN(s->r.width, 2); 370 s->r.height = ALIGN(s->r.height, 2); 371 372 switch (s->target) { 373 case V4L2_SEL_TGT_CROP: 374 s->r.top = 0; 375 s->r.left = 0; 376 inst->width = s->r.width; 377 inst->height = s->r.height; 378 break; 379 default: 380 return -EINVAL; 381 } 382 383 return 0; 384 } 385 386 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 387 { 388 struct venus_inst *inst = to_inst(file); 389 struct v4l2_outputparm *out = &a->parm.output; 390 struct v4l2_fract *timeperframe = &out->timeperframe; 391 u64 us_per_frame, fps; 392 393 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && 394 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 395 return -EINVAL; 396 397 memset(out->reserved, 0, sizeof(out->reserved)); 398 399 if (!timeperframe->denominator) 400 timeperframe->denominator = inst->timeperframe.denominator; 401 if (!timeperframe->numerator) 402 timeperframe->numerator = inst->timeperframe.numerator; 403 404 out->capability = V4L2_CAP_TIMEPERFRAME; 405 406 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 407 do_div(us_per_frame, timeperframe->denominator); 408 409 if (!us_per_frame) 410 return -EINVAL; 411 412 fps = (u64)USEC_PER_SEC; 413 do_div(fps, us_per_frame); 414 415 inst->timeperframe = *timeperframe; 416 inst->fps = fps; 417 418 return 0; 419 } 420 421 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 422 { 423 struct venus_inst *inst = to_inst(file); 424 425 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && 426 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 427 return -EINVAL; 428 429 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME; 430 a->parm.output.timeperframe = inst->timeperframe; 431 432 return 0; 433 } 434 435 static int venc_enum_framesizes(struct file *file, void *fh, 436 struct v4l2_frmsizeenum *fsize) 437 { 438 struct venus_inst *inst = to_inst(file); 439 const struct venus_format *fmt; 440 441 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 442 443 fmt = find_format(inst, fsize->pixel_format, 444 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 445 if (!fmt) { 446 fmt = find_format(inst, fsize->pixel_format, 447 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 448 if (!fmt) 449 return -EINVAL; 450 } 451 452 if (fsize->index) 453 return -EINVAL; 454 455 fsize->stepwise.min_width = frame_width_min(inst); 456 fsize->stepwise.max_width = frame_width_max(inst); 457 fsize->stepwise.step_width = frame_width_step(inst); 458 fsize->stepwise.min_height = frame_height_min(inst); 459 fsize->stepwise.max_height = frame_height_max(inst); 460 fsize->stepwise.step_height = frame_height_step(inst); 461 462 return 0; 463 } 464 465 static int venc_enum_frameintervals(struct file *file, void *fh, 466 struct v4l2_frmivalenum *fival) 467 { 468 struct venus_inst *inst = to_inst(file); 469 const struct venus_format *fmt; 470 unsigned int framerate_factor = 1; 471 472 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; 473 474 fmt = find_format(inst, fival->pixel_format, 475 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 476 if (!fmt) { 477 fmt = find_format(inst, fival->pixel_format, 478 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 479 if (!fmt) 480 return -EINVAL; 481 } 482 483 if (fival->index) 484 return -EINVAL; 485 486 if (!fival->width || !fival->height) 487 return -EINVAL; 488 489 if (fival->width > frame_width_max(inst) || 490 fival->width < frame_width_min(inst) || 491 fival->height > frame_height_max(inst) || 492 fival->height < frame_height_min(inst)) 493 return -EINVAL; 494 495 if (IS_V1(inst->core)) { 496 /* framerate is reported in 1/65535 fps unit */ 497 framerate_factor = (1 << 16); 498 } 499 500 fival->stepwise.min.numerator = 1; 501 fival->stepwise.min.denominator = frate_max(inst) / framerate_factor; 502 fival->stepwise.max.numerator = 1; 503 fival->stepwise.max.denominator = frate_min(inst) / framerate_factor; 504 fival->stepwise.step.numerator = 1; 505 fival->stepwise.step.denominator = frate_max(inst) / framerate_factor; 506 507 return 0; 508 } 509 510 static int venc_subscribe_event(struct v4l2_fh *fh, 511 const struct v4l2_event_subscription *sub) 512 { 513 switch (sub->type) { 514 case V4L2_EVENT_EOS: 515 return v4l2_event_subscribe(fh, sub, 2, NULL); 516 case V4L2_EVENT_CTRL: 517 return v4l2_ctrl_subscribe_event(fh, sub); 518 default: 519 return -EINVAL; 520 } 521 } 522 523 static const struct v4l2_ioctl_ops venc_ioctl_ops = { 524 .vidioc_querycap = venc_querycap, 525 .vidioc_enum_fmt_vid_cap = venc_enum_fmt, 526 .vidioc_enum_fmt_vid_out = venc_enum_fmt, 527 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt, 528 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt, 529 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt, 530 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt, 531 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt, 532 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt, 533 .vidioc_g_selection = venc_g_selection, 534 .vidioc_s_selection = venc_s_selection, 535 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 536 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 537 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 538 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 539 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 540 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 541 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 542 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 543 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 544 .vidioc_s_parm = venc_s_parm, 545 .vidioc_g_parm = venc_g_parm, 546 .vidioc_enum_framesizes = venc_enum_framesizes, 547 .vidioc_enum_frameintervals = venc_enum_frameintervals, 548 .vidioc_subscribe_event = venc_subscribe_event, 549 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 550 .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd, 551 }; 552 553 static int venc_pm_get(struct venus_inst *inst) 554 { 555 struct venus_core *core = inst->core; 556 struct device *dev = core->dev_enc; 557 int ret; 558 559 mutex_lock(&core->pm_lock); 560 ret = pm_runtime_resume_and_get(dev); 561 mutex_unlock(&core->pm_lock); 562 563 return ret < 0 ? ret : 0; 564 } 565 566 static int venc_pm_put(struct venus_inst *inst, bool autosuspend) 567 { 568 struct venus_core *core = inst->core; 569 struct device *dev = core->dev_enc; 570 int ret; 571 572 mutex_lock(&core->pm_lock); 573 574 if (autosuspend) 575 ret = pm_runtime_put_autosuspend(dev); 576 else 577 ret = pm_runtime_put_sync(dev); 578 579 mutex_unlock(&core->pm_lock); 580 581 return ret < 0 ? ret : 0; 582 } 583 584 static int venc_pm_get_put(struct venus_inst *inst) 585 { 586 struct venus_core *core = inst->core; 587 struct device *dev = core->dev_enc; 588 int ret = 0; 589 590 mutex_lock(&core->pm_lock); 591 592 if (pm_runtime_suspended(dev)) { 593 ret = pm_runtime_resume_and_get(dev); 594 if (ret < 0) 595 goto error; 596 597 ret = pm_runtime_put_autosuspend(dev); 598 } 599 600 error: 601 mutex_unlock(&core->pm_lock); 602 603 return ret < 0 ? ret : 0; 604 } 605 606 static void venc_pm_touch(struct venus_inst *inst) 607 { 608 pm_runtime_mark_last_busy(inst->core->dev_enc); 609 } 610 611 static int venc_set_properties(struct venus_inst *inst) 612 { 613 struct venc_controls *ctr = &inst->controls.enc; 614 struct hfi_intra_period intra_period; 615 struct hfi_framerate frate; 616 struct hfi_bitrate brate; 617 struct hfi_idr_period idrp; 618 struct hfi_quantization quant; 619 struct hfi_quantization_range quant_range; 620 struct hfi_enable en; 621 struct hfi_ltr_mode ltr_mode; 622 struct hfi_intra_refresh intra_refresh = {}; 623 u32 ptype, rate_control, bitrate; 624 u32 profile, level; 625 int ret; 626 627 ret = venus_helper_set_work_mode(inst); 628 if (ret) 629 return ret; 630 631 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; 632 frate.buffer_type = HFI_BUFFER_OUTPUT; 633 frate.framerate = inst->fps * (1 << 16); 634 635 ret = hfi_session_set_property(inst, ptype, &frate); 636 if (ret) 637 return ret; 638 639 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 640 struct hfi_h264_vui_timing_info info; 641 struct hfi_h264_entropy_control entropy; 642 struct hfi_h264_db_control deblock; 643 struct hfi_h264_8x8_transform h264_transform; 644 645 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO; 646 info.enable = 1; 647 info.fixed_framerate = 1; 648 info.time_scale = NSEC_PER_SEC; 649 650 ret = hfi_session_set_property(inst, ptype, &info); 651 if (ret) 652 return ret; 653 654 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL; 655 entropy.entropy_mode = venc_v4l2_to_hfi( 656 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, 657 ctr->h264_entropy_mode); 658 entropy.cabac_model = HFI_H264_CABAC_MODEL_0; 659 660 ret = hfi_session_set_property(inst, ptype, &entropy); 661 if (ret) 662 return ret; 663 664 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL; 665 deblock.mode = venc_v4l2_to_hfi( 666 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, 667 ctr->h264_loop_filter_mode); 668 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha; 669 deblock.slice_beta_offset = ctr->h264_loop_filter_beta; 670 671 ret = hfi_session_set_property(inst, ptype, &deblock); 672 if (ret) 673 return ret; 674 675 ptype = HFI_PROPERTY_PARAM_VENC_H264_TRANSFORM_8X8; 676 h264_transform.enable_type = 0; 677 if (ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_HIGH || 678 ctr->profile.h264 == V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH) 679 h264_transform.enable_type = ctr->h264_8x8_transform; 680 681 ret = hfi_session_set_property(inst, ptype, &h264_transform); 682 if (ret) 683 return ret; 684 685 } 686 687 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 688 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 689 /* IDR periodicity, n: 690 * n = 0 - only the first I-frame is IDR frame 691 * n = 1 - all I-frames will be IDR frames 692 * n > 1 - every n-th I-frame will be IDR frame 693 */ 694 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD; 695 idrp.idr_period = 0; 696 ret = hfi_session_set_property(inst, ptype, &idrp); 697 if (ret) 698 return ret; 699 } 700 701 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 702 struct hfi_hdr10_pq_sei hdr10; 703 unsigned int c; 704 705 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI; 706 707 for (c = 0; c < 3; c++) { 708 hdr10.mastering.display_primaries_x[c] = 709 ctr->mastering.display_primaries_x[c]; 710 hdr10.mastering.display_primaries_y[c] = 711 ctr->mastering.display_primaries_y[c]; 712 } 713 714 hdr10.mastering.white_point_x = ctr->mastering.white_point_x; 715 hdr10.mastering.white_point_y = ctr->mastering.white_point_y; 716 hdr10.mastering.max_display_mastering_luminance = 717 ctr->mastering.max_display_mastering_luminance; 718 hdr10.mastering.min_display_mastering_luminance = 719 ctr->mastering.min_display_mastering_luminance; 720 721 hdr10.cll.max_content_light = ctr->cll.max_content_light_level; 722 hdr10.cll.max_pic_average_light = 723 ctr->cll.max_pic_average_light_level; 724 725 ret = hfi_session_set_property(inst, ptype, &hdr10); 726 if (ret) 727 return ret; 728 } 729 730 if (ctr->num_b_frames) { 731 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 732 733 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 734 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 735 if (ret) 736 return ret; 737 } 738 739 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 740 intra_period.pframes = ctr->num_p_frames; 741 intra_period.bframes = ctr->num_b_frames; 742 743 ret = hfi_session_set_property(inst, ptype, &intra_period); 744 if (ret) 745 return ret; 746 747 if (!ctr->rc_enable) 748 rate_control = HFI_RATE_CONTROL_OFF; 749 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 750 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR : 751 HFI_RATE_CONTROL_VBR_CFR; 752 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 753 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR : 754 HFI_RATE_CONTROL_CBR_CFR; 755 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ) 756 rate_control = HFI_RATE_CONTROL_CQ; 757 758 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 759 ret = hfi_session_set_property(inst, ptype, &rate_control); 760 if (ret) 761 return ret; 762 763 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) { 764 struct hfi_heic_frame_quality quality = {}; 765 766 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY; 767 quality.frame_quality = ctr->const_quality; 768 ret = hfi_session_set_property(inst, ptype, &quality); 769 if (ret) 770 return ret; 771 } 772 773 if (!ctr->bitrate) 774 bitrate = 64000; 775 else 776 bitrate = ctr->bitrate; 777 778 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 779 brate.bitrate = bitrate; 780 brate.layer_id = 0; 781 782 ret = hfi_session_set_property(inst, ptype, &brate); 783 if (ret) 784 return ret; 785 786 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 787 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 788 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER; 789 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE) 790 en.enable = 0; 791 else 792 en.enable = 1; 793 794 ret = hfi_session_set_property(inst, ptype, &en); 795 if (ret) 796 return ret; 797 } 798 799 if (!ctr->bitrate_peak) 800 bitrate *= 2; 801 else 802 bitrate = ctr->bitrate_peak; 803 804 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 805 brate.bitrate = bitrate; 806 brate.layer_id = 0; 807 808 ret = hfi_session_set_property(inst, ptype, &brate); 809 if (ret) 810 return ret; 811 812 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP; 813 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 814 quant.qp_i = ctr->hevc_i_qp; 815 quant.qp_p = ctr->hevc_p_qp; 816 quant.qp_b = ctr->hevc_b_qp; 817 } else { 818 quant.qp_i = ctr->h264_i_qp; 819 quant.qp_p = ctr->h264_p_qp; 820 quant.qp_b = ctr->h264_b_qp; 821 } 822 quant.layer_id = 0; 823 ret = hfi_session_set_property(inst, ptype, &quant); 824 if (ret) 825 return ret; 826 827 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE; 828 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 829 quant_range.min_qp = ctr->hevc_min_qp; 830 quant_range.max_qp = ctr->hevc_max_qp; 831 } else { 832 quant_range.min_qp = ctr->h264_min_qp; 833 quant_range.max_qp = ctr->h264_max_qp; 834 } 835 quant_range.layer_id = 0; 836 ret = hfi_session_set_property(inst, ptype, &quant_range); 837 if (ret) 838 return ret; 839 840 ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE; 841 ltr_mode.ltr_count = ctr->ltr_count; 842 ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL; 843 ltr_mode.trust_mode = 1; 844 ret = hfi_session_set_property(inst, ptype, <r_mode); 845 if (ret) 846 return ret; 847 848 switch (inst->hfi_codec) { 849 case HFI_VIDEO_CODEC_H264: 850 profile = ctr->profile.h264; 851 level = ctr->level.h264; 852 break; 853 case HFI_VIDEO_CODEC_MPEG4: 854 profile = ctr->profile.mpeg4; 855 level = ctr->level.mpeg4; 856 break; 857 case HFI_VIDEO_CODEC_VP8: 858 profile = ctr->profile.vp8; 859 level = 0; 860 break; 861 case HFI_VIDEO_CODEC_VP9: 862 profile = ctr->profile.vp9; 863 level = ctr->level.vp9; 864 break; 865 case HFI_VIDEO_CODEC_HEVC: 866 profile = ctr->profile.hevc; 867 level = ctr->level.hevc; 868 break; 869 case HFI_VIDEO_CODEC_MPEG2: 870 default: 871 profile = 0; 872 level = 0; 873 break; 874 } 875 876 ret = venus_helper_set_profile_level(inst, profile, level); 877 if (ret) 878 return ret; 879 880 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 881 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 882 struct hfi_enable en = {}; 883 884 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL; 885 886 if (ctr->aud_enable) 887 en.enable = 1; 888 889 ret = hfi_session_set_property(inst, ptype, &en); 890 } 891 892 if ((inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 893 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) && 894 (rate_control == HFI_RATE_CONTROL_CBR_VFR || 895 rate_control == HFI_RATE_CONTROL_CBR_CFR)) { 896 intra_refresh.mode = HFI_INTRA_REFRESH_NONE; 897 intra_refresh.cir_mbs = 0; 898 899 if (ctr->intra_refresh_period) { 900 u32 mbs; 901 902 mbs = ALIGN(inst->width, 16) * ALIGN(inst->height, 16); 903 mbs /= 16 * 16; 904 if (mbs % ctr->intra_refresh_period) 905 mbs++; 906 mbs /= ctr->intra_refresh_period; 907 908 intra_refresh.cir_mbs = mbs; 909 if (ctr->intra_refresh_type == 910 V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC) 911 intra_refresh.mode = HFI_INTRA_REFRESH_CYCLIC; 912 else 913 intra_refresh.mode = HFI_INTRA_REFRESH_RANDOM; 914 } 915 916 ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH; 917 918 ret = hfi_session_set_property(inst, ptype, &intra_refresh); 919 if (ret) 920 return ret; 921 } 922 923 return 0; 924 } 925 926 static int venc_init_session(struct venus_inst *inst) 927 { 928 int ret; 929 930 ret = venus_helper_session_init(inst); 931 if (ret == -EALREADY) 932 return 0; 933 else if (ret) 934 return ret; 935 936 ret = venus_helper_set_stride(inst, inst->out_width, 937 inst->out_height); 938 if (ret) 939 goto deinit; 940 941 ret = venus_helper_set_input_resolution(inst, inst->width, 942 inst->height); 943 if (ret) 944 goto deinit; 945 946 ret = venus_helper_set_output_resolution(inst, inst->width, 947 inst->height, 948 HFI_BUFFER_OUTPUT); 949 if (ret) 950 goto deinit; 951 952 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt); 953 if (ret) 954 goto deinit; 955 956 ret = venc_set_properties(inst); 957 if (ret) 958 goto deinit; 959 960 return 0; 961 deinit: 962 hfi_session_deinit(inst); 963 return ret; 964 } 965 966 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num) 967 { 968 struct hfi_buffer_requirements bufreq; 969 int ret; 970 971 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 972 if (ret) 973 return ret; 974 975 *num = bufreq.count_actual; 976 977 return 0; 978 } 979 980 static int venc_queue_setup(struct vb2_queue *q, 981 unsigned int *num_buffers, unsigned int *num_planes, 982 unsigned int sizes[], struct device *alloc_devs[]) 983 { 984 struct venus_inst *inst = vb2_get_drv_priv(q); 985 struct venus_core *core = inst->core; 986 unsigned int num, min = 4; 987 int ret; 988 989 if (*num_planes) { 990 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 991 *num_planes != inst->fmt_out->num_planes) 992 return -EINVAL; 993 994 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 995 *num_planes != inst->fmt_cap->num_planes) 996 return -EINVAL; 997 998 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 999 sizes[0] < inst->input_buf_size) 1000 return -EINVAL; 1001 1002 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 1003 sizes[0] < inst->output_buf_size) 1004 return -EINVAL; 1005 1006 return 0; 1007 } 1008 1009 if (test_bit(0, &core->sys_error)) { 1010 if (inst->nonblock) 1011 return -EAGAIN; 1012 1013 ret = wait_event_interruptible(core->sys_err_done, 1014 !test_bit(0, &core->sys_error)); 1015 if (ret) 1016 return ret; 1017 } 1018 1019 ret = venc_pm_get(inst); 1020 if (ret) 1021 return ret; 1022 1023 mutex_lock(&inst->lock); 1024 ret = venc_init_session(inst); 1025 mutex_unlock(&inst->lock); 1026 1027 if (ret) 1028 goto put_power; 1029 1030 ret = venc_pm_put(inst, false); 1031 if (ret) 1032 return ret; 1033 1034 switch (q->type) { 1035 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 1036 *num_planes = inst->fmt_out->num_planes; 1037 1038 ret = venc_out_num_buffers(inst, &num); 1039 if (ret) 1040 break; 1041 1042 num = max(num, min); 1043 *num_buffers = max(*num_buffers, num); 1044 inst->num_input_bufs = *num_buffers; 1045 1046 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 1047 inst->out_width, 1048 inst->out_height); 1049 inst->input_buf_size = sizes[0]; 1050 break; 1051 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 1052 *num_planes = inst->fmt_cap->num_planes; 1053 *num_buffers = max(*num_buffers, min); 1054 inst->num_output_bufs = *num_buffers; 1055 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 1056 inst->width, 1057 inst->height); 1058 sizes[0] = max(sizes[0], inst->output_buf_size); 1059 inst->output_buf_size = sizes[0]; 1060 break; 1061 default: 1062 ret = -EINVAL; 1063 break; 1064 } 1065 1066 return ret; 1067 put_power: 1068 venc_pm_put(inst, false); 1069 return ret; 1070 } 1071 1072 static int venc_buf_init(struct vb2_buffer *vb) 1073 { 1074 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1075 1076 inst->buf_count++; 1077 1078 return venus_helper_vb2_buf_init(vb); 1079 } 1080 1081 static void venc_release_session(struct venus_inst *inst) 1082 { 1083 int ret; 1084 1085 venc_pm_get(inst); 1086 1087 mutex_lock(&inst->lock); 1088 1089 ret = hfi_session_deinit(inst); 1090 if (ret || inst->session_error) 1091 hfi_session_abort(inst); 1092 1093 mutex_unlock(&inst->lock); 1094 1095 venus_pm_load_scale(inst); 1096 INIT_LIST_HEAD(&inst->registeredbufs); 1097 venus_pm_release_core(inst); 1098 1099 venc_pm_put(inst, false); 1100 } 1101 1102 static void venc_buf_cleanup(struct vb2_buffer *vb) 1103 { 1104 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1105 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1106 struct venus_buffer *buf = to_venus_buffer(vbuf); 1107 1108 mutex_lock(&inst->lock); 1109 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1110 if (!list_empty(&inst->registeredbufs)) 1111 list_del_init(&buf->reg_list); 1112 mutex_unlock(&inst->lock); 1113 1114 inst->buf_count--; 1115 if (!inst->buf_count) 1116 venc_release_session(inst); 1117 } 1118 1119 static int venc_verify_conf(struct venus_inst *inst) 1120 { 1121 enum hfi_version ver = inst->core->res->hfi_version; 1122 struct hfi_buffer_requirements bufreq; 1123 int ret; 1124 1125 if (!inst->num_input_bufs || !inst->num_output_bufs) 1126 return -EINVAL; 1127 1128 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 1129 if (ret) 1130 return ret; 1131 1132 if (inst->num_output_bufs < bufreq.count_actual || 1133 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 1134 return -EINVAL; 1135 1136 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 1137 if (ret) 1138 return ret; 1139 1140 if (inst->num_input_bufs < bufreq.count_actual || 1141 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 1142 return -EINVAL; 1143 1144 return 0; 1145 } 1146 1147 static int venc_start_streaming(struct vb2_queue *q, unsigned int count) 1148 { 1149 struct venus_inst *inst = vb2_get_drv_priv(q); 1150 int ret; 1151 1152 mutex_lock(&inst->lock); 1153 1154 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1155 inst->streamon_out = 1; 1156 else 1157 inst->streamon_cap = 1; 1158 1159 if (!(inst->streamon_out & inst->streamon_cap)) { 1160 mutex_unlock(&inst->lock); 1161 return 0; 1162 } 1163 1164 venus_helper_init_instance(inst); 1165 1166 inst->sequence_cap = 0; 1167 inst->sequence_out = 0; 1168 1169 ret = venc_pm_get(inst); 1170 if (ret) 1171 goto error; 1172 1173 ret = venus_pm_acquire_core(inst); 1174 if (ret) 1175 goto put_power; 1176 1177 ret = venc_pm_put(inst, true); 1178 if (ret) 1179 goto error; 1180 1181 ret = venc_set_properties(inst); 1182 if (ret) 1183 goto error; 1184 1185 ret = venc_verify_conf(inst); 1186 if (ret) 1187 goto error; 1188 1189 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1190 inst->num_output_bufs, 0); 1191 if (ret) 1192 goto error; 1193 1194 ret = venus_helper_vb2_start_streaming(inst); 1195 if (ret) 1196 goto error; 1197 1198 mutex_unlock(&inst->lock); 1199 1200 return 0; 1201 1202 put_power: 1203 venc_pm_put(inst, false); 1204 error: 1205 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1206 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1207 inst->streamon_out = 0; 1208 else 1209 inst->streamon_cap = 0; 1210 mutex_unlock(&inst->lock); 1211 return ret; 1212 } 1213 1214 static void venc_vb2_buf_queue(struct vb2_buffer *vb) 1215 { 1216 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1217 1218 venc_pm_get_put(inst); 1219 1220 mutex_lock(&inst->lock); 1221 venus_helper_vb2_buf_queue(vb); 1222 mutex_unlock(&inst->lock); 1223 } 1224 1225 static const struct vb2_ops venc_vb2_ops = { 1226 .queue_setup = venc_queue_setup, 1227 .buf_init = venc_buf_init, 1228 .buf_cleanup = venc_buf_cleanup, 1229 .buf_prepare = venus_helper_vb2_buf_prepare, 1230 .start_streaming = venc_start_streaming, 1231 .stop_streaming = venus_helper_vb2_stop_streaming, 1232 .buf_queue = venc_vb2_buf_queue, 1233 }; 1234 1235 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, 1236 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1237 u32 hfi_flags, u64 timestamp_us) 1238 { 1239 struct vb2_v4l2_buffer *vbuf; 1240 struct vb2_buffer *vb; 1241 unsigned int type; 1242 1243 venc_pm_touch(inst); 1244 1245 if (buf_type == HFI_BUFFER_INPUT) 1246 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1247 else 1248 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1249 1250 vbuf = venus_helper_find_buf(inst, type, tag); 1251 if (!vbuf) 1252 return; 1253 1254 vbuf->flags = flags; 1255 1256 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1257 vb = &vbuf->vb2_buf; 1258 vb2_set_plane_payload(vb, 0, bytesused + data_offset); 1259 vb->planes[0].data_offset = data_offset; 1260 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1261 vbuf->sequence = inst->sequence_cap++; 1262 } else { 1263 vbuf->sequence = inst->sequence_out++; 1264 } 1265 1266 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1267 } 1268 1269 static void venc_event_notify(struct venus_inst *inst, u32 event, 1270 struct hfi_event_data *data) 1271 { 1272 struct device *dev = inst->core->dev_enc; 1273 1274 venc_pm_touch(inst); 1275 1276 if (event == EVT_SESSION_ERROR) { 1277 inst->session_error = true; 1278 venus_helper_vb2_queue_error(inst); 1279 dev_err(dev, "enc: event session error %x\n", inst->error); 1280 } 1281 } 1282 1283 static const struct hfi_inst_ops venc_hfi_ops = { 1284 .buf_done = venc_buf_done, 1285 .event_notify = venc_event_notify, 1286 }; 1287 1288 static const struct v4l2_m2m_ops venc_m2m_ops = { 1289 .device_run = venus_helper_m2m_device_run, 1290 .job_abort = venus_helper_m2m_job_abort, 1291 }; 1292 1293 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1294 struct vb2_queue *dst_vq) 1295 { 1296 struct venus_inst *inst = priv; 1297 int ret; 1298 1299 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1300 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1301 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1302 src_vq->ops = &venc_vb2_ops; 1303 src_vq->mem_ops = &vb2_dma_contig_memops; 1304 src_vq->drv_priv = inst; 1305 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1306 src_vq->allow_zero_bytesused = 1; 1307 src_vq->min_buffers_needed = 1; 1308 src_vq->dev = inst->core->dev; 1309 if (inst->core->res->hfi_version == HFI_VERSION_1XX) 1310 src_vq->bidirectional = 1; 1311 ret = vb2_queue_init(src_vq); 1312 if (ret) 1313 return ret; 1314 1315 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1316 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1317 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1318 dst_vq->ops = &venc_vb2_ops; 1319 dst_vq->mem_ops = &vb2_dma_contig_memops; 1320 dst_vq->drv_priv = inst; 1321 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1322 dst_vq->allow_zero_bytesused = 1; 1323 dst_vq->min_buffers_needed = 1; 1324 dst_vq->dev = inst->core->dev; 1325 return vb2_queue_init(dst_vq); 1326 } 1327 1328 static void venc_inst_init(struct venus_inst *inst) 1329 { 1330 inst->fmt_cap = &venc_formats[3]; 1331 inst->fmt_out = &venc_formats[0]; 1332 inst->width = 1280; 1333 inst->height = ALIGN(720, 32); 1334 inst->out_width = 1280; 1335 inst->out_height = 720; 1336 inst->fps = 15; 1337 inst->timeperframe.numerator = 1; 1338 inst->timeperframe.denominator = 15; 1339 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1340 } 1341 1342 static int venc_open(struct file *file) 1343 { 1344 struct venus_core *core = video_drvdata(file); 1345 struct venus_inst *inst; 1346 int ret; 1347 1348 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1349 if (!inst) 1350 return -ENOMEM; 1351 1352 INIT_LIST_HEAD(&inst->dpbbufs); 1353 INIT_LIST_HEAD(&inst->registeredbufs); 1354 INIT_LIST_HEAD(&inst->internalbufs); 1355 INIT_LIST_HEAD(&inst->list); 1356 mutex_init(&inst->lock); 1357 1358 inst->core = core; 1359 inst->session_type = VIDC_SESSION_TYPE_ENC; 1360 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1361 inst->core_acquired = false; 1362 inst->nonblock = file->f_flags & O_NONBLOCK; 1363 1364 venus_helper_init_instance(inst); 1365 1366 ret = venc_ctrl_init(inst); 1367 if (ret) 1368 goto err_free; 1369 1370 ret = hfi_session_create(inst, &venc_hfi_ops); 1371 if (ret) 1372 goto err_ctrl_deinit; 1373 1374 venc_inst_init(inst); 1375 1376 /* 1377 * create m2m device for every instance, the m2m context scheduling 1378 * is made by firmware side so we do not need to care about. 1379 */ 1380 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops); 1381 if (IS_ERR(inst->m2m_dev)) { 1382 ret = PTR_ERR(inst->m2m_dev); 1383 goto err_session_destroy; 1384 } 1385 1386 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1387 if (IS_ERR(inst->m2m_ctx)) { 1388 ret = PTR_ERR(inst->m2m_ctx); 1389 goto err_m2m_release; 1390 } 1391 1392 v4l2_fh_init(&inst->fh, core->vdev_enc); 1393 1394 inst->fh.ctrl_handler = &inst->ctrl_handler; 1395 v4l2_fh_add(&inst->fh); 1396 inst->fh.m2m_ctx = inst->m2m_ctx; 1397 file->private_data = &inst->fh; 1398 1399 return 0; 1400 1401 err_m2m_release: 1402 v4l2_m2m_release(inst->m2m_dev); 1403 err_session_destroy: 1404 hfi_session_destroy(inst); 1405 err_ctrl_deinit: 1406 venc_ctrl_deinit(inst); 1407 err_free: 1408 kfree(inst); 1409 return ret; 1410 } 1411 1412 static int venc_close(struct file *file) 1413 { 1414 struct venus_inst *inst = to_inst(file); 1415 1416 venc_pm_get(inst); 1417 1418 v4l2_m2m_ctx_release(inst->m2m_ctx); 1419 v4l2_m2m_release(inst->m2m_dev); 1420 venc_ctrl_deinit(inst); 1421 hfi_session_destroy(inst); 1422 mutex_destroy(&inst->lock); 1423 v4l2_fh_del(&inst->fh); 1424 v4l2_fh_exit(&inst->fh); 1425 1426 venc_pm_put(inst, false); 1427 1428 kfree(inst); 1429 return 0; 1430 } 1431 1432 static const struct v4l2_file_operations venc_fops = { 1433 .owner = THIS_MODULE, 1434 .open = venc_open, 1435 .release = venc_close, 1436 .unlocked_ioctl = video_ioctl2, 1437 .poll = v4l2_m2m_fop_poll, 1438 .mmap = v4l2_m2m_fop_mmap, 1439 }; 1440 1441 static int venc_probe(struct platform_device *pdev) 1442 { 1443 struct device *dev = &pdev->dev; 1444 struct video_device *vdev; 1445 struct venus_core *core; 1446 int ret; 1447 1448 if (!dev->parent) 1449 return -EPROBE_DEFER; 1450 1451 core = dev_get_drvdata(dev->parent); 1452 if (!core) 1453 return -EPROBE_DEFER; 1454 1455 platform_set_drvdata(pdev, core); 1456 1457 if (core->pm_ops->venc_get) { 1458 ret = core->pm_ops->venc_get(dev); 1459 if (ret) 1460 return ret; 1461 } 1462 1463 vdev = video_device_alloc(); 1464 if (!vdev) 1465 return -ENOMEM; 1466 1467 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name)); 1468 vdev->release = video_device_release; 1469 vdev->fops = &venc_fops; 1470 vdev->ioctl_ops = &venc_ioctl_ops; 1471 vdev->vfl_dir = VFL_DIR_M2M; 1472 vdev->v4l2_dev = &core->v4l2_dev; 1473 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1474 1475 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1476 if (ret) 1477 goto err_vdev_release; 1478 1479 core->vdev_enc = vdev; 1480 core->dev_enc = dev; 1481 1482 video_set_drvdata(vdev, core); 1483 pm_runtime_set_autosuspend_delay(dev, 2000); 1484 pm_runtime_use_autosuspend(dev); 1485 pm_runtime_enable(dev); 1486 1487 return 0; 1488 1489 err_vdev_release: 1490 video_device_release(vdev); 1491 return ret; 1492 } 1493 1494 static int venc_remove(struct platform_device *pdev) 1495 { 1496 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1497 1498 video_unregister_device(core->vdev_enc); 1499 pm_runtime_disable(core->dev_enc); 1500 1501 if (core->pm_ops->venc_put) 1502 core->pm_ops->venc_put(core->dev_enc); 1503 1504 return 0; 1505 } 1506 1507 static __maybe_unused int venc_runtime_suspend(struct device *dev) 1508 { 1509 struct venus_core *core = dev_get_drvdata(dev); 1510 const struct venus_pm_ops *pm_ops = core->pm_ops; 1511 int ret = 0; 1512 1513 if (pm_ops->venc_power) 1514 ret = pm_ops->venc_power(dev, POWER_OFF); 1515 1516 return ret; 1517 } 1518 1519 static __maybe_unused int venc_runtime_resume(struct device *dev) 1520 { 1521 struct venus_core *core = dev_get_drvdata(dev); 1522 const struct venus_pm_ops *pm_ops = core->pm_ops; 1523 int ret = 0; 1524 1525 if (pm_ops->venc_power) 1526 ret = pm_ops->venc_power(dev, POWER_ON); 1527 1528 return ret; 1529 } 1530 1531 static const struct dev_pm_ops venc_pm_ops = { 1532 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1533 pm_runtime_force_resume) 1534 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) 1535 }; 1536 1537 static const struct of_device_id venc_dt_match[] = { 1538 { .compatible = "venus-encoder" }, 1539 { } 1540 }; 1541 MODULE_DEVICE_TABLE(of, venc_dt_match); 1542 1543 static struct platform_driver qcom_venus_enc_driver = { 1544 .probe = venc_probe, 1545 .remove = venc_remove, 1546 .driver = { 1547 .name = "qcom-venus-encoder", 1548 .of_match_table = venc_dt_match, 1549 .pm = &venc_pm_ops, 1550 }, 1551 }; 1552 module_platform_driver(qcom_venus_enc_driver); 1553 1554 MODULE_ALIAS("platform:qcom-venus-encoder"); 1555 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver"); 1556 MODULE_LICENSE("GPL v2"); 1557