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 ctr->profile.hevc == V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10) { 703 struct hfi_hdr10_pq_sei hdr10; 704 unsigned int c; 705 706 ptype = HFI_PROPERTY_PARAM_VENC_HDR10_PQ_SEI; 707 708 for (c = 0; c < 3; c++) { 709 hdr10.mastering.display_primaries_x[c] = 710 ctr->mastering.display_primaries_x[c]; 711 hdr10.mastering.display_primaries_y[c] = 712 ctr->mastering.display_primaries_y[c]; 713 } 714 715 hdr10.mastering.white_point_x = ctr->mastering.white_point_x; 716 hdr10.mastering.white_point_y = ctr->mastering.white_point_y; 717 hdr10.mastering.max_display_mastering_luminance = 718 ctr->mastering.max_display_mastering_luminance; 719 hdr10.mastering.min_display_mastering_luminance = 720 ctr->mastering.min_display_mastering_luminance; 721 722 hdr10.cll.max_content_light = ctr->cll.max_content_light_level; 723 hdr10.cll.max_pic_average_light = 724 ctr->cll.max_pic_average_light_level; 725 726 ret = hfi_session_set_property(inst, ptype, &hdr10); 727 if (ret) 728 return ret; 729 } 730 731 if (ctr->num_b_frames) { 732 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 733 734 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 735 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 736 if (ret) 737 return ret; 738 } 739 740 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 741 intra_period.pframes = ctr->num_p_frames; 742 intra_period.bframes = ctr->num_b_frames; 743 744 ret = hfi_session_set_property(inst, ptype, &intra_period); 745 if (ret) 746 return ret; 747 748 if (!ctr->rc_enable) 749 rate_control = HFI_RATE_CONTROL_OFF; 750 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 751 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_VBR_VFR : 752 HFI_RATE_CONTROL_VBR_CFR; 753 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 754 rate_control = ctr->frame_skip_mode ? HFI_RATE_CONTROL_CBR_VFR : 755 HFI_RATE_CONTROL_CBR_CFR; 756 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ) 757 rate_control = HFI_RATE_CONTROL_CQ; 758 759 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 760 ret = hfi_session_set_property(inst, ptype, &rate_control); 761 if (ret) 762 return ret; 763 764 if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) { 765 struct hfi_heic_frame_quality quality = {}; 766 767 ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY; 768 quality.frame_quality = ctr->const_quality; 769 ret = hfi_session_set_property(inst, ptype, &quality); 770 if (ret) 771 return ret; 772 } 773 774 if (!ctr->bitrate) 775 bitrate = 64000; 776 else 777 bitrate = ctr->bitrate; 778 779 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 780 brate.bitrate = bitrate; 781 brate.layer_id = 0; 782 783 ret = hfi_session_set_property(inst, ptype, &brate); 784 if (ret) 785 return ret; 786 787 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 788 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 789 ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER; 790 if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE) 791 en.enable = 0; 792 else 793 en.enable = 1; 794 795 ret = hfi_session_set_property(inst, ptype, &en); 796 if (ret) 797 return ret; 798 } 799 800 if (!ctr->bitrate_peak) 801 bitrate *= 2; 802 else 803 bitrate = ctr->bitrate_peak; 804 805 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 806 brate.bitrate = bitrate; 807 brate.layer_id = 0; 808 809 ret = hfi_session_set_property(inst, ptype, &brate); 810 if (ret) 811 return ret; 812 813 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP; 814 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 815 quant.qp_i = ctr->hevc_i_qp; 816 quant.qp_p = ctr->hevc_p_qp; 817 quant.qp_b = ctr->hevc_b_qp; 818 } else { 819 quant.qp_i = ctr->h264_i_qp; 820 quant.qp_p = ctr->h264_p_qp; 821 quant.qp_b = ctr->h264_b_qp; 822 } 823 quant.layer_id = 0; 824 ret = hfi_session_set_property(inst, ptype, &quant); 825 if (ret) 826 return ret; 827 828 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE; 829 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 830 quant_range.min_qp = ctr->hevc_min_qp; 831 quant_range.max_qp = ctr->hevc_max_qp; 832 } else { 833 quant_range.min_qp = ctr->h264_min_qp; 834 quant_range.max_qp = ctr->h264_max_qp; 835 } 836 quant_range.layer_id = 0; 837 ret = hfi_session_set_property(inst, ptype, &quant_range); 838 if (ret) 839 return ret; 840 841 ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE; 842 ltr_mode.ltr_count = ctr->ltr_count; 843 ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL; 844 ltr_mode.trust_mode = 1; 845 ret = hfi_session_set_property(inst, ptype, <r_mode); 846 if (ret) 847 return ret; 848 849 switch (inst->hfi_codec) { 850 case HFI_VIDEO_CODEC_H264: 851 profile = ctr->profile.h264; 852 level = ctr->level.h264; 853 break; 854 case HFI_VIDEO_CODEC_MPEG4: 855 profile = ctr->profile.mpeg4; 856 level = ctr->level.mpeg4; 857 break; 858 case HFI_VIDEO_CODEC_VP8: 859 profile = ctr->profile.vp8; 860 level = 0; 861 break; 862 case HFI_VIDEO_CODEC_VP9: 863 profile = ctr->profile.vp9; 864 level = ctr->level.vp9; 865 break; 866 case HFI_VIDEO_CODEC_HEVC: 867 profile = ctr->profile.hevc; 868 level = ctr->level.hevc; 869 break; 870 case HFI_VIDEO_CODEC_MPEG2: 871 default: 872 profile = 0; 873 level = 0; 874 break; 875 } 876 877 ret = venus_helper_set_profile_level(inst, profile, level); 878 if (ret) 879 return ret; 880 881 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 882 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 883 struct hfi_enable en = {}; 884 885 ptype = HFI_PROPERTY_PARAM_VENC_H264_GENERATE_AUDNAL; 886 887 if (ctr->aud_enable) 888 en.enable = 1; 889 890 ret = hfi_session_set_property(inst, ptype, &en); 891 } 892 893 if ((inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 || 894 inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) && 895 (rate_control == HFI_RATE_CONTROL_CBR_VFR || 896 rate_control == HFI_RATE_CONTROL_CBR_CFR)) { 897 intra_refresh.mode = HFI_INTRA_REFRESH_NONE; 898 intra_refresh.cir_mbs = 0; 899 900 if (ctr->intra_refresh_period) { 901 u32 mbs; 902 903 mbs = ALIGN(inst->width, 16) * ALIGN(inst->height, 16); 904 mbs /= 16 * 16; 905 if (mbs % ctr->intra_refresh_period) 906 mbs++; 907 mbs /= ctr->intra_refresh_period; 908 909 intra_refresh.cir_mbs = mbs; 910 if (ctr->intra_refresh_type == 911 V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE_CYCLIC) 912 intra_refresh.mode = HFI_INTRA_REFRESH_CYCLIC; 913 else 914 intra_refresh.mode = HFI_INTRA_REFRESH_RANDOM; 915 } 916 917 ptype = HFI_PROPERTY_PARAM_VENC_INTRA_REFRESH; 918 919 ret = hfi_session_set_property(inst, ptype, &intra_refresh); 920 if (ret) 921 return ret; 922 } 923 924 return 0; 925 } 926 927 static int venc_init_session(struct venus_inst *inst) 928 { 929 int ret; 930 931 ret = venus_helper_session_init(inst); 932 if (ret == -EALREADY) 933 return 0; 934 else if (ret) 935 return ret; 936 937 ret = venus_helper_set_stride(inst, inst->out_width, 938 inst->out_height); 939 if (ret) 940 goto deinit; 941 942 ret = venus_helper_set_input_resolution(inst, inst->width, 943 inst->height); 944 if (ret) 945 goto deinit; 946 947 ret = venus_helper_set_output_resolution(inst, inst->width, 948 inst->height, 949 HFI_BUFFER_OUTPUT); 950 if (ret) 951 goto deinit; 952 953 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt); 954 if (ret) 955 goto deinit; 956 957 ret = venc_set_properties(inst); 958 if (ret) 959 goto deinit; 960 961 return 0; 962 deinit: 963 hfi_session_deinit(inst); 964 return ret; 965 } 966 967 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num) 968 { 969 struct hfi_buffer_requirements bufreq; 970 int ret; 971 972 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 973 if (ret) 974 return ret; 975 976 *num = bufreq.count_actual; 977 978 return 0; 979 } 980 981 static int venc_queue_setup(struct vb2_queue *q, 982 unsigned int *num_buffers, unsigned int *num_planes, 983 unsigned int sizes[], struct device *alloc_devs[]) 984 { 985 struct venus_inst *inst = vb2_get_drv_priv(q); 986 struct venus_core *core = inst->core; 987 unsigned int num, min = 4; 988 int ret; 989 990 if (*num_planes) { 991 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 992 *num_planes != inst->fmt_out->num_planes) 993 return -EINVAL; 994 995 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 996 *num_planes != inst->fmt_cap->num_planes) 997 return -EINVAL; 998 999 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 1000 sizes[0] < inst->input_buf_size) 1001 return -EINVAL; 1002 1003 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 1004 sizes[0] < inst->output_buf_size) 1005 return -EINVAL; 1006 1007 return 0; 1008 } 1009 1010 if (test_bit(0, &core->sys_error)) { 1011 if (inst->nonblock) 1012 return -EAGAIN; 1013 1014 ret = wait_event_interruptible(core->sys_err_done, 1015 !test_bit(0, &core->sys_error)); 1016 if (ret) 1017 return ret; 1018 } 1019 1020 ret = venc_pm_get(inst); 1021 if (ret) 1022 return ret; 1023 1024 mutex_lock(&inst->lock); 1025 ret = venc_init_session(inst); 1026 mutex_unlock(&inst->lock); 1027 1028 if (ret) 1029 goto put_power; 1030 1031 ret = venc_pm_put(inst, false); 1032 if (ret) 1033 return ret; 1034 1035 switch (q->type) { 1036 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 1037 *num_planes = inst->fmt_out->num_planes; 1038 1039 ret = venc_out_num_buffers(inst, &num); 1040 if (ret) 1041 break; 1042 1043 num = max(num, min); 1044 *num_buffers = max(*num_buffers, num); 1045 inst->num_input_bufs = *num_buffers; 1046 1047 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 1048 inst->out_width, 1049 inst->out_height); 1050 inst->input_buf_size = sizes[0]; 1051 break; 1052 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 1053 *num_planes = inst->fmt_cap->num_planes; 1054 *num_buffers = max(*num_buffers, min); 1055 inst->num_output_bufs = *num_buffers; 1056 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 1057 inst->width, 1058 inst->height); 1059 sizes[0] = max(sizes[0], inst->output_buf_size); 1060 inst->output_buf_size = sizes[0]; 1061 break; 1062 default: 1063 ret = -EINVAL; 1064 break; 1065 } 1066 1067 return ret; 1068 put_power: 1069 venc_pm_put(inst, false); 1070 return ret; 1071 } 1072 1073 static int venc_buf_init(struct vb2_buffer *vb) 1074 { 1075 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1076 1077 inst->buf_count++; 1078 1079 return venus_helper_vb2_buf_init(vb); 1080 } 1081 1082 static void venc_release_session(struct venus_inst *inst) 1083 { 1084 int ret; 1085 1086 venc_pm_get(inst); 1087 1088 mutex_lock(&inst->lock); 1089 1090 ret = hfi_session_deinit(inst); 1091 if (ret || inst->session_error) 1092 hfi_session_abort(inst); 1093 1094 mutex_unlock(&inst->lock); 1095 1096 venus_pm_load_scale(inst); 1097 INIT_LIST_HEAD(&inst->registeredbufs); 1098 venus_pm_release_core(inst); 1099 1100 venc_pm_put(inst, false); 1101 } 1102 1103 static void venc_buf_cleanup(struct vb2_buffer *vb) 1104 { 1105 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1106 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1107 struct venus_buffer *buf = to_venus_buffer(vbuf); 1108 1109 mutex_lock(&inst->lock); 1110 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1111 if (!list_empty(&inst->registeredbufs)) 1112 list_del_init(&buf->reg_list); 1113 mutex_unlock(&inst->lock); 1114 1115 inst->buf_count--; 1116 if (!inst->buf_count) 1117 venc_release_session(inst); 1118 } 1119 1120 static int venc_verify_conf(struct venus_inst *inst) 1121 { 1122 enum hfi_version ver = inst->core->res->hfi_version; 1123 struct hfi_buffer_requirements bufreq; 1124 int ret; 1125 1126 if (!inst->num_input_bufs || !inst->num_output_bufs) 1127 return -EINVAL; 1128 1129 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 1130 if (ret) 1131 return ret; 1132 1133 if (inst->num_output_bufs < bufreq.count_actual || 1134 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 1135 return -EINVAL; 1136 1137 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 1138 if (ret) 1139 return ret; 1140 1141 if (inst->num_input_bufs < bufreq.count_actual || 1142 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 1143 return -EINVAL; 1144 1145 return 0; 1146 } 1147 1148 static int venc_start_streaming(struct vb2_queue *q, unsigned int count) 1149 { 1150 struct venus_inst *inst = vb2_get_drv_priv(q); 1151 int ret; 1152 1153 mutex_lock(&inst->lock); 1154 1155 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1156 inst->streamon_out = 1; 1157 else 1158 inst->streamon_cap = 1; 1159 1160 if (!(inst->streamon_out & inst->streamon_cap)) { 1161 mutex_unlock(&inst->lock); 1162 return 0; 1163 } 1164 1165 venus_helper_init_instance(inst); 1166 1167 inst->sequence_cap = 0; 1168 inst->sequence_out = 0; 1169 1170 ret = venc_pm_get(inst); 1171 if (ret) 1172 goto error; 1173 1174 ret = venus_pm_acquire_core(inst); 1175 if (ret) 1176 goto put_power; 1177 1178 ret = venc_pm_put(inst, true); 1179 if (ret) 1180 goto error; 1181 1182 ret = venc_set_properties(inst); 1183 if (ret) 1184 goto error; 1185 1186 ret = venc_verify_conf(inst); 1187 if (ret) 1188 goto error; 1189 1190 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1191 inst->num_output_bufs, 0); 1192 if (ret) 1193 goto error; 1194 1195 ret = venus_helper_vb2_start_streaming(inst); 1196 if (ret) 1197 goto error; 1198 1199 mutex_unlock(&inst->lock); 1200 1201 return 0; 1202 1203 put_power: 1204 venc_pm_put(inst, false); 1205 error: 1206 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1207 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1208 inst->streamon_out = 0; 1209 else 1210 inst->streamon_cap = 0; 1211 mutex_unlock(&inst->lock); 1212 return ret; 1213 } 1214 1215 static void venc_vb2_buf_queue(struct vb2_buffer *vb) 1216 { 1217 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1218 1219 venc_pm_get_put(inst); 1220 1221 mutex_lock(&inst->lock); 1222 venus_helper_vb2_buf_queue(vb); 1223 mutex_unlock(&inst->lock); 1224 } 1225 1226 static const struct vb2_ops venc_vb2_ops = { 1227 .queue_setup = venc_queue_setup, 1228 .buf_init = venc_buf_init, 1229 .buf_cleanup = venc_buf_cleanup, 1230 .buf_prepare = venus_helper_vb2_buf_prepare, 1231 .start_streaming = venc_start_streaming, 1232 .stop_streaming = venus_helper_vb2_stop_streaming, 1233 .buf_queue = venc_vb2_buf_queue, 1234 }; 1235 1236 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, 1237 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1238 u32 hfi_flags, u64 timestamp_us) 1239 { 1240 struct vb2_v4l2_buffer *vbuf; 1241 struct vb2_buffer *vb; 1242 unsigned int type; 1243 1244 venc_pm_touch(inst); 1245 1246 if (buf_type == HFI_BUFFER_INPUT) 1247 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1248 else 1249 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1250 1251 vbuf = venus_helper_find_buf(inst, type, tag); 1252 if (!vbuf) 1253 return; 1254 1255 vbuf->flags = flags; 1256 1257 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1258 vb = &vbuf->vb2_buf; 1259 vb2_set_plane_payload(vb, 0, bytesused + data_offset); 1260 vb->planes[0].data_offset = data_offset; 1261 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1262 vbuf->sequence = inst->sequence_cap++; 1263 } else { 1264 vbuf->sequence = inst->sequence_out++; 1265 } 1266 1267 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1268 } 1269 1270 static void venc_event_notify(struct venus_inst *inst, u32 event, 1271 struct hfi_event_data *data) 1272 { 1273 struct device *dev = inst->core->dev_enc; 1274 1275 venc_pm_touch(inst); 1276 1277 if (event == EVT_SESSION_ERROR) { 1278 inst->session_error = true; 1279 venus_helper_vb2_queue_error(inst); 1280 dev_err(dev, "enc: event session error %x\n", inst->error); 1281 } 1282 } 1283 1284 static const struct hfi_inst_ops venc_hfi_ops = { 1285 .buf_done = venc_buf_done, 1286 .event_notify = venc_event_notify, 1287 }; 1288 1289 static const struct v4l2_m2m_ops venc_m2m_ops = { 1290 .device_run = venus_helper_m2m_device_run, 1291 .job_abort = venus_helper_m2m_job_abort, 1292 }; 1293 1294 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1295 struct vb2_queue *dst_vq) 1296 { 1297 struct venus_inst *inst = priv; 1298 int ret; 1299 1300 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1301 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1302 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1303 src_vq->ops = &venc_vb2_ops; 1304 src_vq->mem_ops = &vb2_dma_contig_memops; 1305 src_vq->drv_priv = inst; 1306 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1307 src_vq->allow_zero_bytesused = 1; 1308 src_vq->min_buffers_needed = 1; 1309 src_vq->dev = inst->core->dev; 1310 if (inst->core->res->hfi_version == HFI_VERSION_1XX) 1311 src_vq->bidirectional = 1; 1312 ret = vb2_queue_init(src_vq); 1313 if (ret) 1314 return ret; 1315 1316 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1317 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1318 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1319 dst_vq->ops = &venc_vb2_ops; 1320 dst_vq->mem_ops = &vb2_dma_contig_memops; 1321 dst_vq->drv_priv = inst; 1322 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1323 dst_vq->allow_zero_bytesused = 1; 1324 dst_vq->min_buffers_needed = 1; 1325 dst_vq->dev = inst->core->dev; 1326 return vb2_queue_init(dst_vq); 1327 } 1328 1329 static void venc_inst_init(struct venus_inst *inst) 1330 { 1331 inst->fmt_cap = &venc_formats[3]; 1332 inst->fmt_out = &venc_formats[0]; 1333 inst->width = 1280; 1334 inst->height = ALIGN(720, 32); 1335 inst->out_width = 1280; 1336 inst->out_height = 720; 1337 inst->fps = 15; 1338 inst->timeperframe.numerator = 1; 1339 inst->timeperframe.denominator = 15; 1340 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1341 } 1342 1343 static int venc_open(struct file *file) 1344 { 1345 struct venus_core *core = video_drvdata(file); 1346 struct venus_inst *inst; 1347 int ret; 1348 1349 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1350 if (!inst) 1351 return -ENOMEM; 1352 1353 INIT_LIST_HEAD(&inst->dpbbufs); 1354 INIT_LIST_HEAD(&inst->registeredbufs); 1355 INIT_LIST_HEAD(&inst->internalbufs); 1356 INIT_LIST_HEAD(&inst->list); 1357 mutex_init(&inst->lock); 1358 1359 inst->core = core; 1360 inst->session_type = VIDC_SESSION_TYPE_ENC; 1361 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1362 inst->core_acquired = false; 1363 inst->nonblock = file->f_flags & O_NONBLOCK; 1364 1365 venus_helper_init_instance(inst); 1366 1367 ret = venc_ctrl_init(inst); 1368 if (ret) 1369 goto err_free; 1370 1371 ret = hfi_session_create(inst, &venc_hfi_ops); 1372 if (ret) 1373 goto err_ctrl_deinit; 1374 1375 venc_inst_init(inst); 1376 1377 /* 1378 * create m2m device for every instance, the m2m context scheduling 1379 * is made by firmware side so we do not need to care about. 1380 */ 1381 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops); 1382 if (IS_ERR(inst->m2m_dev)) { 1383 ret = PTR_ERR(inst->m2m_dev); 1384 goto err_session_destroy; 1385 } 1386 1387 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1388 if (IS_ERR(inst->m2m_ctx)) { 1389 ret = PTR_ERR(inst->m2m_ctx); 1390 goto err_m2m_release; 1391 } 1392 1393 v4l2_fh_init(&inst->fh, core->vdev_enc); 1394 1395 inst->fh.ctrl_handler = &inst->ctrl_handler; 1396 v4l2_fh_add(&inst->fh); 1397 inst->fh.m2m_ctx = inst->m2m_ctx; 1398 file->private_data = &inst->fh; 1399 1400 return 0; 1401 1402 err_m2m_release: 1403 v4l2_m2m_release(inst->m2m_dev); 1404 err_session_destroy: 1405 hfi_session_destroy(inst); 1406 err_ctrl_deinit: 1407 venc_ctrl_deinit(inst); 1408 err_free: 1409 kfree(inst); 1410 return ret; 1411 } 1412 1413 static int venc_close(struct file *file) 1414 { 1415 struct venus_inst *inst = to_inst(file); 1416 1417 venc_pm_get(inst); 1418 1419 v4l2_m2m_ctx_release(inst->m2m_ctx); 1420 v4l2_m2m_release(inst->m2m_dev); 1421 venc_ctrl_deinit(inst); 1422 hfi_session_destroy(inst); 1423 mutex_destroy(&inst->lock); 1424 v4l2_fh_del(&inst->fh); 1425 v4l2_fh_exit(&inst->fh); 1426 1427 venc_pm_put(inst, false); 1428 1429 kfree(inst); 1430 return 0; 1431 } 1432 1433 static const struct v4l2_file_operations venc_fops = { 1434 .owner = THIS_MODULE, 1435 .open = venc_open, 1436 .release = venc_close, 1437 .unlocked_ioctl = video_ioctl2, 1438 .poll = v4l2_m2m_fop_poll, 1439 .mmap = v4l2_m2m_fop_mmap, 1440 }; 1441 1442 static int venc_probe(struct platform_device *pdev) 1443 { 1444 struct device *dev = &pdev->dev; 1445 struct video_device *vdev; 1446 struct venus_core *core; 1447 int ret; 1448 1449 if (!dev->parent) 1450 return -EPROBE_DEFER; 1451 1452 core = dev_get_drvdata(dev->parent); 1453 if (!core) 1454 return -EPROBE_DEFER; 1455 1456 platform_set_drvdata(pdev, core); 1457 1458 if (core->pm_ops->venc_get) { 1459 ret = core->pm_ops->venc_get(dev); 1460 if (ret) 1461 return ret; 1462 } 1463 1464 vdev = video_device_alloc(); 1465 if (!vdev) 1466 return -ENOMEM; 1467 1468 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name)); 1469 vdev->release = video_device_release; 1470 vdev->fops = &venc_fops; 1471 vdev->ioctl_ops = &venc_ioctl_ops; 1472 vdev->vfl_dir = VFL_DIR_M2M; 1473 vdev->v4l2_dev = &core->v4l2_dev; 1474 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1475 1476 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1477 if (ret) 1478 goto err_vdev_release; 1479 1480 core->vdev_enc = vdev; 1481 core->dev_enc = dev; 1482 1483 video_set_drvdata(vdev, core); 1484 pm_runtime_set_autosuspend_delay(dev, 2000); 1485 pm_runtime_use_autosuspend(dev); 1486 pm_runtime_enable(dev); 1487 1488 return 0; 1489 1490 err_vdev_release: 1491 video_device_release(vdev); 1492 return ret; 1493 } 1494 1495 static int venc_remove(struct platform_device *pdev) 1496 { 1497 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1498 1499 video_unregister_device(core->vdev_enc); 1500 pm_runtime_disable(core->dev_enc); 1501 1502 if (core->pm_ops->venc_put) 1503 core->pm_ops->venc_put(core->dev_enc); 1504 1505 return 0; 1506 } 1507 1508 static __maybe_unused int venc_runtime_suspend(struct device *dev) 1509 { 1510 struct venus_core *core = dev_get_drvdata(dev); 1511 const struct venus_pm_ops *pm_ops = core->pm_ops; 1512 int ret = 0; 1513 1514 if (pm_ops->venc_power) 1515 ret = pm_ops->venc_power(dev, POWER_OFF); 1516 1517 return ret; 1518 } 1519 1520 static __maybe_unused int venc_runtime_resume(struct device *dev) 1521 { 1522 struct venus_core *core = dev_get_drvdata(dev); 1523 const struct venus_pm_ops *pm_ops = core->pm_ops; 1524 int ret = 0; 1525 1526 if (pm_ops->venc_power) 1527 ret = pm_ops->venc_power(dev, POWER_ON); 1528 1529 return ret; 1530 } 1531 1532 static const struct dev_pm_ops venc_pm_ops = { 1533 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1534 pm_runtime_force_resume) 1535 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) 1536 }; 1537 1538 static const struct of_device_id venc_dt_match[] = { 1539 { .compatible = "venus-encoder" }, 1540 { } 1541 }; 1542 MODULE_DEVICE_TABLE(of, venc_dt_match); 1543 1544 static struct platform_driver qcom_venus_enc_driver = { 1545 .probe = venc_probe, 1546 .remove = venc_remove, 1547 .driver = { 1548 .name = "qcom-venus-encoder", 1549 .of_match_table = venc_dt_match, 1550 .pm = &venc_pm_ops, 1551 }, 1552 }; 1553 module_platform_driver(qcom_venus_enc_driver); 1554 1555 MODULE_ALIAS("platform:qcom-venus-encoder"); 1556 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver"); 1557 MODULE_LICENSE("GPL v2"); 1558