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