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-ioctl.h> 13 #include <media/v4l2-event.h> 14 #include <media/v4l2-ctrls.h> 15 #include <media/v4l2-mem2mem.h> 16 #include <media/videobuf2-dma-contig.h> 17 18 #include "hfi_venus_io.h" 19 #include "hfi_parser.h" 20 #include "core.h" 21 #include "helpers.h" 22 #include "vdec.h" 23 #include "pm_helpers.h" 24 25 /* 26 * Three resons to keep MPLANE formats (despite that the number of planes 27 * currently is one): 28 * - the MPLANE formats allow only one plane to be used 29 * - the downstream driver use MPLANE formats too 30 * - future firmware versions could add support for >1 planes 31 */ 32 static const struct venus_format vdec_formats[] = { 33 { 34 .pixfmt = V4L2_PIX_FMT_NV12, 35 .num_planes = 1, 36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 37 }, { 38 .pixfmt = V4L2_PIX_FMT_MPEG4, 39 .num_planes = 1, 40 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 41 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 42 }, { 43 .pixfmt = V4L2_PIX_FMT_MPEG2, 44 .num_planes = 1, 45 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 46 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 47 }, { 48 .pixfmt = V4L2_PIX_FMT_H263, 49 .num_planes = 1, 50 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 51 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 52 }, { 53 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, 54 .num_planes = 1, 55 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 56 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 57 }, { 58 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, 59 .num_planes = 1, 60 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 61 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 62 }, { 63 .pixfmt = V4L2_PIX_FMT_H264, 64 .num_planes = 1, 65 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 66 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 67 }, { 68 .pixfmt = V4L2_PIX_FMT_VP8, 69 .num_planes = 1, 70 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 71 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 72 }, { 73 .pixfmt = V4L2_PIX_FMT_VP9, 74 .num_planes = 1, 75 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 76 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 77 }, { 78 .pixfmt = V4L2_PIX_FMT_XVID, 79 .num_planes = 1, 80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 82 }, { 83 .pixfmt = V4L2_PIX_FMT_HEVC, 84 .num_planes = 1, 85 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 86 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 87 }, 88 }; 89 90 static const struct venus_format * 91 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 92 { 93 const struct venus_format *fmt = vdec_formats; 94 unsigned int size = ARRAY_SIZE(vdec_formats); 95 unsigned int i; 96 97 for (i = 0; i < size; i++) { 98 if (fmt[i].pixfmt == pixfmt) 99 break; 100 } 101 102 if (i == size || fmt[i].type != type) 103 return NULL; 104 105 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 106 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 107 return NULL; 108 109 return &fmt[i]; 110 } 111 112 static const struct venus_format * 113 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 114 { 115 const struct venus_format *fmt = vdec_formats; 116 unsigned int size = ARRAY_SIZE(vdec_formats); 117 unsigned int i, k = 0; 118 119 if (index > size) 120 return NULL; 121 122 for (i = 0; i < size; i++) { 123 bool valid; 124 125 if (fmt[i].type != type) 126 continue; 127 valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 128 venus_helper_check_codec(inst, fmt[i].pixfmt); 129 if (k == index && valid) 130 break; 131 if (valid) 132 k++; 133 } 134 135 if (i == size) 136 return NULL; 137 138 return &fmt[i]; 139 } 140 141 static const struct venus_format * 142 vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 143 { 144 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 145 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 146 const struct venus_format *fmt; 147 u32 szimage; 148 149 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 150 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 151 152 fmt = find_format(inst, pixmp->pixelformat, f->type); 153 if (!fmt) { 154 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 155 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 156 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 157 pixmp->pixelformat = V4L2_PIX_FMT_H264; 158 else 159 return NULL; 160 fmt = find_format(inst, pixmp->pixelformat, f->type); 161 } 162 163 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 164 frame_width_max(inst)); 165 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 166 frame_height_max(inst)); 167 168 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 169 pixmp->height = ALIGN(pixmp->height, 32); 170 171 if (pixmp->field == V4L2_FIELD_ANY) 172 pixmp->field = V4L2_FIELD_NONE; 173 pixmp->num_planes = fmt->num_planes; 174 pixmp->flags = 0; 175 176 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, 177 pixmp->height); 178 179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 180 pfmt[0].sizeimage = szimage; 181 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 182 } else { 183 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); 184 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); 185 pfmt[0].bytesperline = 0; 186 } 187 188 return fmt; 189 } 190 191 static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 192 { 193 struct venus_inst *inst = to_inst(file); 194 195 vdec_try_fmt_common(inst, f); 196 197 return 0; 198 } 199 200 static int vdec_check_src_change(struct venus_inst *inst) 201 { 202 int ret; 203 204 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && 205 inst->codec_state == VENUS_DEC_STATE_INIT && 206 !inst->reconfig) 207 return -EINVAL; 208 209 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) 210 return 0; 211 212 /* 213 * The code snippet below is a workaround for backward compatibility 214 * with applications which doesn't support V4L2 events. It will be 215 * dropped in future once those applications are fixed. 216 */ 217 218 if (inst->codec_state != VENUS_DEC_STATE_INIT) 219 goto done; 220 221 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, 222 msecs_to_jiffies(100)); 223 if (!ret) 224 return -EINVAL; 225 226 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || 227 !inst->reconfig) 228 dev_dbg(inst->core->dev, VDBGH "wrong state\n"); 229 230 done: 231 return 0; 232 } 233 234 static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 235 { 236 struct venus_inst *inst = to_inst(file); 237 const struct venus_format *fmt = NULL; 238 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 239 int ret; 240 241 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 242 fmt = inst->fmt_cap; 243 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 244 fmt = inst->fmt_out; 245 246 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 247 ret = vdec_check_src_change(inst); 248 if (ret) 249 return ret; 250 } 251 252 pixmp->pixelformat = fmt->pixfmt; 253 254 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 255 pixmp->width = inst->width; 256 pixmp->height = inst->height; 257 pixmp->colorspace = inst->colorspace; 258 pixmp->ycbcr_enc = inst->ycbcr_enc; 259 pixmp->quantization = inst->quantization; 260 pixmp->xfer_func = inst->xfer_func; 261 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 262 pixmp->width = inst->out_width; 263 pixmp->height = inst->out_height; 264 } 265 266 vdec_try_fmt_common(inst, f); 267 268 return 0; 269 } 270 271 static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 272 { 273 struct venus_inst *inst = to_inst(file); 274 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 275 struct v4l2_pix_format_mplane orig_pixmp; 276 const struct venus_format *fmt; 277 struct v4l2_format format; 278 u32 pixfmt_out = 0, pixfmt_cap = 0; 279 struct vb2_queue *q; 280 281 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 282 if (!q) 283 return -EINVAL; 284 285 if (vb2_is_busy(q)) 286 return -EBUSY; 287 288 orig_pixmp = *pixmp; 289 290 fmt = vdec_try_fmt_common(inst, f); 291 292 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 293 pixfmt_out = pixmp->pixelformat; 294 pixfmt_cap = inst->fmt_cap->pixfmt; 295 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 296 pixfmt_cap = pixmp->pixelformat; 297 pixfmt_out = inst->fmt_out->pixfmt; 298 } 299 300 memset(&format, 0, sizeof(format)); 301 302 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 303 format.fmt.pix_mp.pixelformat = pixfmt_out; 304 format.fmt.pix_mp.width = orig_pixmp.width; 305 format.fmt.pix_mp.height = orig_pixmp.height; 306 vdec_try_fmt_common(inst, &format); 307 308 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 309 inst->out_width = format.fmt.pix_mp.width; 310 inst->out_height = format.fmt.pix_mp.height; 311 inst->colorspace = pixmp->colorspace; 312 inst->ycbcr_enc = pixmp->ycbcr_enc; 313 inst->quantization = pixmp->quantization; 314 inst->xfer_func = pixmp->xfer_func; 315 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 316 } 317 318 memset(&format, 0, sizeof(format)); 319 320 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 321 format.fmt.pix_mp.pixelformat = pixfmt_cap; 322 format.fmt.pix_mp.width = orig_pixmp.width; 323 format.fmt.pix_mp.height = orig_pixmp.height; 324 vdec_try_fmt_common(inst, &format); 325 326 inst->width = format.fmt.pix_mp.width; 327 inst->height = format.fmt.pix_mp.height; 328 inst->crop.top = 0; 329 inst->crop.left = 0; 330 inst->crop.width = inst->width; 331 inst->crop.height = inst->height; 332 333 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 334 inst->fmt_out = fmt; 335 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 336 inst->fmt_cap = fmt; 337 338 return 0; 339 } 340 341 static int 342 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 343 { 344 struct venus_inst *inst = to_inst(file); 345 346 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 347 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 348 return -EINVAL; 349 350 s->r.top = 0; 351 s->r.left = 0; 352 353 switch (s->target) { 354 case V4L2_SEL_TGT_CROP_BOUNDS: 355 case V4L2_SEL_TGT_CROP_DEFAULT: 356 case V4L2_SEL_TGT_CROP: 357 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 358 return -EINVAL; 359 s->r.width = inst->out_width; 360 s->r.height = inst->out_height; 361 break; 362 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 363 case V4L2_SEL_TGT_COMPOSE_PADDED: 364 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 365 return -EINVAL; 366 s->r.width = inst->width; 367 s->r.height = inst->height; 368 break; 369 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 370 case V4L2_SEL_TGT_COMPOSE: 371 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 372 return -EINVAL; 373 s->r = inst->crop; 374 break; 375 default: 376 return -EINVAL; 377 } 378 379 return 0; 380 } 381 382 static int 383 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 384 { 385 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 386 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 387 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 388 389 return 0; 390 } 391 392 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 393 { 394 struct venus_inst *inst = to_inst(file); 395 const struct venus_format *fmt; 396 397 memset(f->reserved, 0, sizeof(f->reserved)); 398 399 fmt = find_format_by_index(inst, f->index, f->type); 400 if (!fmt) 401 return -EINVAL; 402 403 f->pixelformat = fmt->pixfmt; 404 f->flags = fmt->flags; 405 406 return 0; 407 } 408 409 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 410 { 411 struct venus_inst *inst = to_inst(file); 412 struct v4l2_captureparm *cap = &a->parm.capture; 413 struct v4l2_fract *timeperframe = &cap->timeperframe; 414 u64 us_per_frame, fps; 415 416 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 417 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 418 return -EINVAL; 419 420 memset(cap->reserved, 0, sizeof(cap->reserved)); 421 if (!timeperframe->denominator) 422 timeperframe->denominator = inst->timeperframe.denominator; 423 if (!timeperframe->numerator) 424 timeperframe->numerator = inst->timeperframe.numerator; 425 cap->readbuffers = 0; 426 cap->extendedmode = 0; 427 cap->capability = V4L2_CAP_TIMEPERFRAME; 428 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 429 do_div(us_per_frame, timeperframe->denominator); 430 431 if (!us_per_frame) 432 return -EINVAL; 433 434 fps = (u64)USEC_PER_SEC; 435 do_div(fps, us_per_frame); 436 437 inst->fps = fps; 438 inst->timeperframe = *timeperframe; 439 440 return 0; 441 } 442 443 static int vdec_enum_framesizes(struct file *file, void *fh, 444 struct v4l2_frmsizeenum *fsize) 445 { 446 struct venus_inst *inst = to_inst(file); 447 const struct venus_format *fmt; 448 449 fmt = find_format(inst, fsize->pixel_format, 450 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 451 if (!fmt) { 452 fmt = find_format(inst, fsize->pixel_format, 453 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 454 if (!fmt) 455 return -EINVAL; 456 } 457 458 if (fsize->index) 459 return -EINVAL; 460 461 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 462 463 fsize->stepwise.min_width = frame_width_min(inst); 464 fsize->stepwise.max_width = frame_width_max(inst); 465 fsize->stepwise.step_width = frame_width_step(inst); 466 fsize->stepwise.min_height = frame_height_min(inst); 467 fsize->stepwise.max_height = frame_height_max(inst); 468 fsize->stepwise.step_height = frame_height_step(inst); 469 470 return 0; 471 } 472 473 static int vdec_subscribe_event(struct v4l2_fh *fh, 474 const struct v4l2_event_subscription *sub) 475 { 476 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 477 int ret; 478 479 switch (sub->type) { 480 case V4L2_EVENT_EOS: 481 return v4l2_event_subscribe(fh, sub, 2, NULL); 482 case V4L2_EVENT_SOURCE_CHANGE: 483 ret = v4l2_src_change_event_subscribe(fh, sub); 484 if (ret) 485 return ret; 486 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 487 return 0; 488 case V4L2_EVENT_CTRL: 489 return v4l2_ctrl_subscribe_event(fh, sub); 490 default: 491 return -EINVAL; 492 } 493 } 494 495 static int 496 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 497 { 498 struct venus_inst *inst = to_inst(file); 499 struct hfi_frame_data fdata = {0}; 500 int ret; 501 502 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 503 if (ret) 504 return ret; 505 506 mutex_lock(&inst->lock); 507 508 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 509 /* 510 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 511 * decoder input to signal EOS. 512 */ 513 if (!(inst->streamon_out && inst->streamon_cap)) 514 goto unlock; 515 516 fdata.buffer_type = HFI_BUFFER_INPUT; 517 fdata.flags |= HFI_BUFFERFLAG_EOS; 518 if (IS_V6(inst->core)) 519 fdata.device_addr = 0; 520 else 521 fdata.device_addr = 0xdeadb000; 522 523 ret = hfi_session_process_buf(inst, &fdata); 524 525 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 526 inst->codec_state = VENUS_DEC_STATE_DRAIN; 527 inst->drain_active = true; 528 } 529 } 530 531 unlock: 532 mutex_unlock(&inst->lock); 533 return ret; 534 } 535 536 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 537 .vidioc_querycap = vdec_querycap, 538 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 539 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 540 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 541 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 542 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 543 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 544 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 545 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 546 .vidioc_g_selection = vdec_g_selection, 547 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 548 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 549 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 550 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 551 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 552 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 553 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 554 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 555 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 556 .vidioc_s_parm = vdec_s_parm, 557 .vidioc_enum_framesizes = vdec_enum_framesizes, 558 .vidioc_subscribe_event = vdec_subscribe_event, 559 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 560 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 561 .vidioc_decoder_cmd = vdec_decoder_cmd, 562 }; 563 564 static int vdec_pm_get(struct venus_inst *inst) 565 { 566 struct venus_core *core = inst->core; 567 struct device *dev = core->dev_dec; 568 int ret; 569 570 mutex_lock(&core->pm_lock); 571 ret = pm_runtime_resume_and_get(dev); 572 mutex_unlock(&core->pm_lock); 573 574 return ret; 575 } 576 577 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 578 { 579 struct venus_core *core = inst->core; 580 struct device *dev = core->dev_dec; 581 int ret; 582 583 mutex_lock(&core->pm_lock); 584 585 if (autosuspend) 586 ret = pm_runtime_put_autosuspend(dev); 587 else 588 ret = pm_runtime_put_sync(dev); 589 590 mutex_unlock(&core->pm_lock); 591 592 return ret < 0 ? ret : 0; 593 } 594 595 static int vdec_pm_get_put(struct venus_inst *inst) 596 { 597 struct venus_core *core = inst->core; 598 struct device *dev = core->dev_dec; 599 int ret = 0; 600 601 mutex_lock(&core->pm_lock); 602 603 if (pm_runtime_suspended(dev)) { 604 ret = pm_runtime_resume_and_get(dev); 605 if (ret < 0) 606 goto error; 607 608 ret = pm_runtime_put_autosuspend(dev); 609 } 610 611 error: 612 mutex_unlock(&core->pm_lock); 613 614 return ret < 0 ? ret : 0; 615 } 616 617 static void vdec_pm_touch(struct venus_inst *inst) 618 { 619 pm_runtime_mark_last_busy(inst->core->dev_dec); 620 } 621 622 static int vdec_set_properties(struct venus_inst *inst) 623 { 624 struct vdec_controls *ctr = &inst->controls.dec; 625 struct hfi_enable en = { .enable = 1 }; 626 u32 ptype, decode_order, conceal; 627 int ret; 628 629 if (ctr->post_loop_deb_mode) { 630 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 631 ret = hfi_session_set_property(inst, ptype, &en); 632 if (ret) 633 return ret; 634 } 635 636 if (ctr->display_delay_enable && ctr->display_delay == 0) { 637 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; 638 decode_order = HFI_OUTPUT_ORDER_DECODE; 639 ret = hfi_session_set_property(inst, ptype, &decode_order); 640 if (ret) 641 return ret; 642 } 643 644 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; 645 conceal = ctr->conceal_color & 0xffff; 646 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; 647 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; 648 649 ret = hfi_session_set_property(inst, ptype, &conceal); 650 if (ret) 651 return ret; 652 653 return 0; 654 } 655 656 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 657 658 static int vdec_output_conf(struct venus_inst *inst) 659 { 660 struct venus_core *core = inst->core; 661 struct hfi_enable en = { .enable = 1 }; 662 struct hfi_buffer_requirements bufreq; 663 u32 width = inst->out_width; 664 u32 height = inst->out_height; 665 u32 out_fmt, out2_fmt; 666 bool ubwc = false; 667 u32 ptype; 668 int ret; 669 670 ret = venus_helper_set_work_mode(inst); 671 if (ret) 672 return ret; 673 674 if (core->res->hfi_version == HFI_VERSION_1XX) { 675 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 676 ret = hfi_session_set_property(inst, ptype, &en); 677 if (ret) 678 return ret; 679 } 680 681 /* Force searching UBWC formats for bigger then HD resolutions */ 682 if (width > 1920 && height > ALIGN(1080, 32)) 683 ubwc = true; 684 685 /* For Venus v4/v6 UBWC format is mandatory */ 686 if (IS_V4(core) || IS_V6(core)) 687 ubwc = true; 688 689 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 690 &out2_fmt, ubwc); 691 if (ret) 692 return ret; 693 694 inst->output_buf_size = 695 venus_helper_get_framesz_raw(out_fmt, width, height); 696 inst->output2_buf_size = 697 venus_helper_get_framesz_raw(out2_fmt, width, height); 698 699 if (is_ubwc_fmt(out_fmt)) { 700 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 701 inst->opb_fmt = out2_fmt; 702 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 703 inst->dpb_fmt = out_fmt; 704 } else if (is_ubwc_fmt(out2_fmt)) { 705 inst->opb_buftype = HFI_BUFFER_OUTPUT; 706 inst->opb_fmt = out_fmt; 707 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 708 inst->dpb_fmt = out2_fmt; 709 } else { 710 inst->opb_buftype = HFI_BUFFER_OUTPUT; 711 inst->opb_fmt = out_fmt; 712 inst->dpb_buftype = 0; 713 inst->dpb_fmt = 0; 714 } 715 716 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 717 inst->opb_buftype); 718 if (ret) 719 return ret; 720 721 ret = venus_helper_set_format_constraints(inst); 722 if (ret) 723 return ret; 724 725 if (inst->dpb_fmt) { 726 ret = venus_helper_set_multistream(inst, false, true); 727 if (ret) 728 return ret; 729 730 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 731 inst->dpb_buftype); 732 if (ret) 733 return ret; 734 735 ret = venus_helper_set_output_resolution(inst, width, height, 736 HFI_BUFFER_OUTPUT2); 737 if (ret) 738 return ret; 739 } 740 741 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { 742 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 743 if (ret) 744 return ret; 745 746 if (bufreq.size > inst->output_buf_size) 747 return -EINVAL; 748 749 if (inst->dpb_fmt) { 750 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 751 &bufreq); 752 if (ret) 753 return ret; 754 755 if (bufreq.size > inst->output2_buf_size) 756 return -EINVAL; 757 } 758 759 if (inst->output2_buf_size) { 760 ret = venus_helper_set_bufsize(inst, 761 inst->output2_buf_size, 762 HFI_BUFFER_OUTPUT2); 763 if (ret) 764 return ret; 765 } 766 767 if (inst->output_buf_size) { 768 ret = venus_helper_set_bufsize(inst, 769 inst->output_buf_size, 770 HFI_BUFFER_OUTPUT); 771 if (ret) 772 return ret; 773 } 774 } 775 776 ret = venus_helper_set_dyn_bufmode(inst); 777 if (ret) 778 return ret; 779 780 return 0; 781 } 782 783 static int vdec_session_init(struct venus_inst *inst) 784 { 785 int ret; 786 787 ret = venus_helper_session_init(inst); 788 if (ret == -EALREADY) 789 return 0; 790 else if (ret) 791 return ret; 792 793 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 794 frame_height_min(inst)); 795 if (ret) 796 goto deinit; 797 798 return 0; 799 deinit: 800 hfi_session_deinit(inst); 801 return ret; 802 } 803 804 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 805 unsigned int *out_num) 806 { 807 enum hfi_version ver = inst->core->res->hfi_version; 808 struct hfi_buffer_requirements bufreq; 809 int ret; 810 811 *in_num = *out_num = 0; 812 813 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 814 if (ret) 815 return ret; 816 817 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 818 819 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 820 if (ret) 821 return ret; 822 823 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 824 825 return 0; 826 } 827 828 static int vdec_queue_setup(struct vb2_queue *q, 829 unsigned int *num_buffers, unsigned int *num_planes, 830 unsigned int sizes[], struct device *alloc_devs[]) 831 { 832 struct venus_inst *inst = vb2_get_drv_priv(q); 833 unsigned int in_num, out_num; 834 int ret = 0; 835 836 if (*num_planes) { 837 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 838 839 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 840 *num_planes != inst->fmt_out->num_planes) 841 return -EINVAL; 842 843 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 844 *num_planes != inst->fmt_cap->num_planes) 845 return -EINVAL; 846 847 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 848 sizes[0] < inst->input_buf_size) 849 return -EINVAL; 850 851 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 852 sizes[0] < output_buf_size) 853 return -EINVAL; 854 855 return 0; 856 } 857 858 ret = vdec_pm_get(inst); 859 if (ret) 860 return ret; 861 862 ret = vdec_session_init(inst); 863 if (ret) 864 goto put_power; 865 866 ret = vdec_num_buffers(inst, &in_num, &out_num); 867 if (ret) 868 goto put_power; 869 870 ret = vdec_pm_put(inst, false); 871 if (ret) 872 return ret; 873 874 switch (q->type) { 875 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 876 *num_planes = inst->fmt_out->num_planes; 877 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 878 inst->out_width, 879 inst->out_height); 880 sizes[0] = max(sizes[0], inst->input_buf_size); 881 inst->input_buf_size = sizes[0]; 882 *num_buffers = max(*num_buffers, in_num); 883 inst->num_input_bufs = *num_buffers; 884 inst->num_output_bufs = out_num; 885 break; 886 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 887 *num_planes = inst->fmt_cap->num_planes; 888 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 889 inst->width, 890 inst->height); 891 inst->output_buf_size = sizes[0]; 892 *num_buffers = max(*num_buffers, out_num); 893 inst->num_output_bufs = *num_buffers; 894 895 mutex_lock(&inst->lock); 896 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 897 inst->codec_state = VENUS_DEC_STATE_STOPPED; 898 mutex_unlock(&inst->lock); 899 break; 900 default: 901 ret = -EINVAL; 902 break; 903 } 904 905 return ret; 906 907 put_power: 908 vdec_pm_put(inst, false); 909 return ret; 910 } 911 912 static int vdec_verify_conf(struct venus_inst *inst) 913 { 914 enum hfi_version ver = inst->core->res->hfi_version; 915 struct hfi_buffer_requirements bufreq; 916 int ret; 917 918 if (!inst->num_input_bufs || !inst->num_output_bufs) 919 return -EINVAL; 920 921 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 922 if (ret) 923 return ret; 924 925 if (inst->num_output_bufs < bufreq.count_actual || 926 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 927 return -EINVAL; 928 929 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 930 if (ret) 931 return ret; 932 933 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 934 return -EINVAL; 935 936 return 0; 937 } 938 939 static int vdec_start_capture(struct venus_inst *inst) 940 { 941 int ret; 942 943 if (!inst->streamon_out) 944 return 0; 945 946 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 947 if (inst->reconfig) 948 goto reconfigure; 949 950 venus_helper_queue_dpb_bufs(inst); 951 venus_helper_process_initial_cap_bufs(inst); 952 inst->streamon_cap = 1; 953 return 0; 954 } 955 956 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 957 return 0; 958 959 reconfigure: 960 ret = vdec_output_conf(inst); 961 if (ret) 962 return ret; 963 964 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 965 VB2_MAX_FRAME, VB2_MAX_FRAME); 966 if (ret) 967 return ret; 968 969 ret = venus_helper_intbufs_realloc(inst); 970 if (ret) 971 goto err; 972 973 ret = venus_helper_alloc_dpb_bufs(inst); 974 if (ret) 975 goto err; 976 977 ret = venus_helper_queue_dpb_bufs(inst); 978 if (ret) 979 goto free_dpb_bufs; 980 981 ret = venus_helper_process_initial_cap_bufs(inst); 982 if (ret) 983 goto free_dpb_bufs; 984 985 venus_pm_load_scale(inst); 986 987 inst->next_buf_last = false; 988 989 ret = hfi_session_continue(inst); 990 if (ret) 991 goto free_dpb_bufs; 992 993 inst->codec_state = VENUS_DEC_STATE_DECODING; 994 995 if (inst->drain_active) 996 inst->codec_state = VENUS_DEC_STATE_DRAIN; 997 998 inst->streamon_cap = 1; 999 inst->sequence_cap = 0; 1000 inst->reconfig = false; 1001 inst->drain_active = false; 1002 1003 return 0; 1004 1005 free_dpb_bufs: 1006 venus_helper_free_dpb_bufs(inst); 1007 err: 1008 return ret; 1009 } 1010 1011 static int vdec_start_output(struct venus_inst *inst) 1012 { 1013 int ret; 1014 1015 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1016 ret = venus_helper_process_initial_out_bufs(inst); 1017 if (inst->next_buf_last) 1018 inst->codec_state = VENUS_DEC_STATE_DRC; 1019 else 1020 inst->codec_state = VENUS_DEC_STATE_DECODING; 1021 goto done; 1022 } 1023 1024 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1025 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1026 ret = venus_helper_process_initial_out_bufs(inst); 1027 goto done; 1028 } 1029 1030 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1031 return -EINVAL; 1032 1033 venus_helper_init_instance(inst); 1034 inst->sequence_out = 0; 1035 inst->reconfig = false; 1036 inst->next_buf_last = false; 1037 1038 ret = vdec_set_properties(inst); 1039 if (ret) 1040 return ret; 1041 1042 ret = vdec_output_conf(inst); 1043 if (ret) 1044 return ret; 1045 1046 ret = vdec_verify_conf(inst); 1047 if (ret) 1048 return ret; 1049 1050 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1051 VB2_MAX_FRAME, VB2_MAX_FRAME); 1052 if (ret) 1053 return ret; 1054 1055 ret = venus_helper_vb2_start_streaming(inst); 1056 if (ret) 1057 return ret; 1058 1059 ret = venus_helper_process_initial_out_bufs(inst); 1060 if (ret) 1061 return ret; 1062 1063 inst->codec_state = VENUS_DEC_STATE_INIT; 1064 1065 done: 1066 inst->streamon_out = 1; 1067 return ret; 1068 } 1069 1070 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1071 { 1072 struct venus_inst *inst = vb2_get_drv_priv(q); 1073 int ret; 1074 1075 mutex_lock(&inst->lock); 1076 1077 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1078 ret = vdec_start_capture(inst); 1079 } else { 1080 ret = vdec_pm_get(inst); 1081 if (ret) 1082 goto error; 1083 1084 ret = venus_pm_acquire_core(inst); 1085 if (ret) 1086 goto put_power; 1087 1088 ret = vdec_pm_put(inst, true); 1089 if (ret) 1090 goto error; 1091 1092 ret = vdec_start_output(inst); 1093 } 1094 1095 if (ret) 1096 goto error; 1097 1098 mutex_unlock(&inst->lock); 1099 return 0; 1100 1101 put_power: 1102 vdec_pm_put(inst, false); 1103 error: 1104 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1105 mutex_unlock(&inst->lock); 1106 return ret; 1107 } 1108 1109 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1110 { 1111 struct vb2_v4l2_buffer *buf; 1112 1113 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1114 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1115 } 1116 1117 static int vdec_stop_capture(struct venus_inst *inst) 1118 { 1119 int ret = 0; 1120 1121 switch (inst->codec_state) { 1122 case VENUS_DEC_STATE_DECODING: 1123 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1124 fallthrough; 1125 case VENUS_DEC_STATE_DRAIN: 1126 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1127 inst->drain_active = false; 1128 fallthrough; 1129 case VENUS_DEC_STATE_SEEK: 1130 vdec_cancel_dst_buffers(inst); 1131 break; 1132 case VENUS_DEC_STATE_DRC: 1133 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1134 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1135 venus_helper_free_dpb_bufs(inst); 1136 break; 1137 default: 1138 break; 1139 } 1140 1141 return ret; 1142 } 1143 1144 static int vdec_stop_output(struct venus_inst *inst) 1145 { 1146 int ret = 0; 1147 1148 switch (inst->codec_state) { 1149 case VENUS_DEC_STATE_DECODING: 1150 case VENUS_DEC_STATE_DRAIN: 1151 case VENUS_DEC_STATE_STOPPED: 1152 case VENUS_DEC_STATE_DRC: 1153 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1154 inst->codec_state = VENUS_DEC_STATE_SEEK; 1155 break; 1156 case VENUS_DEC_STATE_INIT: 1157 case VENUS_DEC_STATE_CAPTURE_SETUP: 1158 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1159 break; 1160 default: 1161 break; 1162 } 1163 1164 return ret; 1165 } 1166 1167 static void vdec_stop_streaming(struct vb2_queue *q) 1168 { 1169 struct venus_inst *inst = vb2_get_drv_priv(q); 1170 int ret = -EINVAL; 1171 1172 mutex_lock(&inst->lock); 1173 1174 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1175 ret = vdec_stop_capture(inst); 1176 else 1177 ret = vdec_stop_output(inst); 1178 1179 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1180 1181 if (ret) 1182 goto unlock; 1183 1184 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1185 inst->streamon_out = 0; 1186 else 1187 inst->streamon_cap = 0; 1188 1189 unlock: 1190 mutex_unlock(&inst->lock); 1191 } 1192 1193 static void vdec_session_release(struct venus_inst *inst) 1194 { 1195 struct venus_core *core = inst->core; 1196 int ret, abort = 0; 1197 1198 vdec_pm_get(inst); 1199 1200 mutex_lock(&inst->lock); 1201 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1202 1203 ret = hfi_session_stop(inst); 1204 abort = (ret && ret != -EINVAL) ? 1 : 0; 1205 ret = hfi_session_unload_res(inst); 1206 abort = (ret && ret != -EINVAL) ? 1 : 0; 1207 ret = venus_helper_unregister_bufs(inst); 1208 abort = (ret && ret != -EINVAL) ? 1 : 0; 1209 ret = venus_helper_intbufs_free(inst); 1210 abort = (ret && ret != -EINVAL) ? 1 : 0; 1211 ret = hfi_session_deinit(inst); 1212 abort = (ret && ret != -EINVAL) ? 1 : 0; 1213 1214 if (inst->session_error || core->sys_error) 1215 abort = 1; 1216 1217 if (abort) 1218 hfi_session_abort(inst); 1219 1220 venus_helper_free_dpb_bufs(inst); 1221 venus_pm_load_scale(inst); 1222 INIT_LIST_HEAD(&inst->registeredbufs); 1223 mutex_unlock(&inst->lock); 1224 1225 venus_pm_release_core(inst); 1226 vdec_pm_put(inst, false); 1227 } 1228 1229 static int vdec_buf_init(struct vb2_buffer *vb) 1230 { 1231 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1232 1233 inst->buf_count++; 1234 1235 return venus_helper_vb2_buf_init(vb); 1236 } 1237 1238 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1239 { 1240 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1241 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1242 struct venus_buffer *buf = to_venus_buffer(vbuf); 1243 1244 mutex_lock(&inst->lock); 1245 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1246 if (!list_empty(&inst->registeredbufs)) 1247 list_del_init(&buf->reg_list); 1248 mutex_unlock(&inst->lock); 1249 1250 inst->buf_count--; 1251 if (!inst->buf_count) 1252 vdec_session_release(inst); 1253 } 1254 1255 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1256 { 1257 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1258 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1259 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1260 1261 vdec_pm_get_put(inst); 1262 1263 mutex_lock(&inst->lock); 1264 1265 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1266 inst->codec_state == VENUS_DEC_STATE_DRC) { 1267 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1268 vbuf->sequence = inst->sequence_cap++; 1269 vbuf->field = V4L2_FIELD_NONE; 1270 vb2_set_plane_payload(vb, 0, 0); 1271 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1272 v4l2_event_queue_fh(&inst->fh, &eos); 1273 inst->next_buf_last = false; 1274 mutex_unlock(&inst->lock); 1275 return; 1276 } 1277 1278 venus_helper_vb2_buf_queue(vb); 1279 mutex_unlock(&inst->lock); 1280 } 1281 1282 static const struct vb2_ops vdec_vb2_ops = { 1283 .queue_setup = vdec_queue_setup, 1284 .buf_init = vdec_buf_init, 1285 .buf_cleanup = vdec_buf_cleanup, 1286 .buf_prepare = venus_helper_vb2_buf_prepare, 1287 .start_streaming = vdec_start_streaming, 1288 .stop_streaming = vdec_stop_streaming, 1289 .buf_queue = vdec_vb2_buf_queue, 1290 }; 1291 1292 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1293 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1294 u32 hfi_flags, u64 timestamp_us) 1295 { 1296 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1297 struct vb2_v4l2_buffer *vbuf; 1298 struct vb2_buffer *vb; 1299 unsigned int type; 1300 1301 vdec_pm_touch(inst); 1302 1303 if (buf_type == HFI_BUFFER_INPUT) 1304 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1305 else 1306 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1307 1308 vbuf = venus_helper_find_buf(inst, type, tag); 1309 if (!vbuf) 1310 return; 1311 1312 vbuf->flags = flags; 1313 vbuf->field = V4L2_FIELD_NONE; 1314 vb = &vbuf->vb2_buf; 1315 1316 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1317 vb2_set_plane_payload(vb, 0, bytesused); 1318 vb->planes[0].data_offset = data_offset; 1319 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1320 vbuf->sequence = inst->sequence_cap++; 1321 1322 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1323 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1324 1325 v4l2_event_queue_fh(&inst->fh, &ev); 1326 1327 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1328 inst->drain_active = false; 1329 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1330 } 1331 } 1332 1333 if (!bytesused) 1334 state = VB2_BUF_STATE_ERROR; 1335 } else { 1336 vbuf->sequence = inst->sequence_out++; 1337 } 1338 1339 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1340 1341 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1342 venus_helper_acquire_buf_ref(vbuf); 1343 1344 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1345 state = VB2_BUF_STATE_ERROR; 1346 1347 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1348 state = VB2_BUF_STATE_ERROR; 1349 vb2_set_plane_payload(vb, 0, 0); 1350 vb->timestamp = 0; 1351 } 1352 1353 v4l2_m2m_buf_done(vbuf, state); 1354 } 1355 1356 static void vdec_event_change(struct venus_inst *inst, 1357 struct hfi_event_data *ev_data, bool sufficient) 1358 { 1359 static const struct v4l2_event ev = { 1360 .type = V4L2_EVENT_SOURCE_CHANGE, 1361 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1362 struct device *dev = inst->core->dev_dec; 1363 struct v4l2_format format = {}; 1364 1365 mutex_lock(&inst->lock); 1366 1367 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1368 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1369 format.fmt.pix_mp.width = ev_data->width; 1370 format.fmt.pix_mp.height = ev_data->height; 1371 1372 vdec_try_fmt_common(inst, &format); 1373 1374 inst->width = format.fmt.pix_mp.width; 1375 inst->height = format.fmt.pix_mp.height; 1376 /* 1377 * Some versions of the firmware do not report crop information for 1378 * all codecs. For these cases, set the crop to the coded resolution. 1379 */ 1380 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1381 inst->crop.left = ev_data->input_crop.left; 1382 inst->crop.top = ev_data->input_crop.top; 1383 inst->crop.width = ev_data->input_crop.width; 1384 inst->crop.height = ev_data->input_crop.height; 1385 } else { 1386 inst->crop.left = 0; 1387 inst->crop.top = 0; 1388 inst->crop.width = ev_data->width; 1389 inst->crop.height = ev_data->height; 1390 } 1391 1392 inst->out_width = ev_data->width; 1393 inst->out_height = ev_data->height; 1394 1395 if (inst->bit_depth != ev_data->bit_depth) 1396 inst->bit_depth = ev_data->bit_depth; 1397 1398 if (inst->pic_struct != ev_data->pic_struct) 1399 inst->pic_struct = ev_data->pic_struct; 1400 1401 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1402 sufficient ? "" : "not", ev_data->width, ev_data->height); 1403 1404 switch (inst->codec_state) { 1405 case VENUS_DEC_STATE_INIT: 1406 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1407 break; 1408 case VENUS_DEC_STATE_DECODING: 1409 case VENUS_DEC_STATE_DRAIN: 1410 inst->codec_state = VENUS_DEC_STATE_DRC; 1411 break; 1412 default: 1413 break; 1414 } 1415 1416 /* 1417 * The assumption is that the firmware have to return the last buffer 1418 * before this event is received in the v4l2 driver. Also the firmware 1419 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1420 */ 1421 1422 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1423 int ret; 1424 1425 inst->next_buf_last = true; 1426 1427 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1428 if (ret) 1429 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1430 } 1431 1432 inst->next_buf_last = true; 1433 inst->reconfig = true; 1434 v4l2_event_queue_fh(&inst->fh, &ev); 1435 wake_up(&inst->reconf_wait); 1436 1437 mutex_unlock(&inst->lock); 1438 } 1439 1440 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1441 struct hfi_event_data *data) 1442 { 1443 struct venus_core *core = inst->core; 1444 struct device *dev = core->dev_dec; 1445 1446 vdec_pm_touch(inst); 1447 1448 switch (event) { 1449 case EVT_SESSION_ERROR: 1450 inst->session_error = true; 1451 dev_err(dev, "dec: event session error %x\n", inst->error); 1452 break; 1453 case EVT_SYS_EVENT_CHANGE: 1454 switch (data->event_type) { 1455 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1456 vdec_event_change(inst, data, true); 1457 break; 1458 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1459 vdec_event_change(inst, data, false); 1460 break; 1461 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1462 venus_helper_release_buf_ref(inst, data->tag); 1463 break; 1464 default: 1465 break; 1466 } 1467 break; 1468 default: 1469 break; 1470 } 1471 } 1472 1473 static void vdec_flush_done(struct venus_inst *inst) 1474 { 1475 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1476 } 1477 1478 static const struct hfi_inst_ops vdec_hfi_ops = { 1479 .buf_done = vdec_buf_done, 1480 .event_notify = vdec_event_notify, 1481 .flush_done = vdec_flush_done, 1482 }; 1483 1484 static void vdec_inst_init(struct venus_inst *inst) 1485 { 1486 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1487 inst->fmt_out = &vdec_formats[6]; 1488 inst->fmt_cap = &vdec_formats[0]; 1489 inst->width = frame_width_min(inst); 1490 inst->height = ALIGN(frame_height_min(inst), 32); 1491 inst->crop.left = 0; 1492 inst->crop.top = 0; 1493 inst->crop.width = inst->width; 1494 inst->crop.height = inst->height; 1495 inst->out_width = frame_width_min(inst); 1496 inst->out_height = frame_height_min(inst); 1497 inst->fps = 30; 1498 inst->timeperframe.numerator = 1; 1499 inst->timeperframe.denominator = 30; 1500 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1501 } 1502 1503 static void vdec_m2m_device_run(void *priv) 1504 { 1505 } 1506 1507 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1508 .device_run = vdec_m2m_device_run, 1509 .job_abort = venus_helper_m2m_job_abort, 1510 }; 1511 1512 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1513 struct vb2_queue *dst_vq) 1514 { 1515 struct venus_inst *inst = priv; 1516 int ret; 1517 1518 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1519 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1520 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1521 src_vq->ops = &vdec_vb2_ops; 1522 src_vq->mem_ops = &vb2_dma_contig_memops; 1523 src_vq->drv_priv = inst; 1524 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1525 src_vq->allow_zero_bytesused = 1; 1526 src_vq->min_buffers_needed = 0; 1527 src_vq->dev = inst->core->dev; 1528 ret = vb2_queue_init(src_vq); 1529 if (ret) 1530 return ret; 1531 1532 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1533 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1534 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1535 dst_vq->ops = &vdec_vb2_ops; 1536 dst_vq->mem_ops = &vb2_dma_contig_memops; 1537 dst_vq->drv_priv = inst; 1538 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1539 dst_vq->allow_zero_bytesused = 1; 1540 dst_vq->min_buffers_needed = 0; 1541 dst_vq->dev = inst->core->dev; 1542 return vb2_queue_init(dst_vq); 1543 } 1544 1545 static int vdec_open(struct file *file) 1546 { 1547 struct venus_core *core = video_drvdata(file); 1548 struct venus_inst *inst; 1549 int ret; 1550 1551 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1552 if (!inst) 1553 return -ENOMEM; 1554 1555 INIT_LIST_HEAD(&inst->dpbbufs); 1556 INIT_LIST_HEAD(&inst->registeredbufs); 1557 INIT_LIST_HEAD(&inst->internalbufs); 1558 INIT_LIST_HEAD(&inst->list); 1559 mutex_init(&inst->lock); 1560 1561 inst->core = core; 1562 inst->session_type = VIDC_SESSION_TYPE_DEC; 1563 inst->num_output_bufs = 1; 1564 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1565 inst->buf_count = 0; 1566 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1567 inst->core_acquired = false; 1568 inst->bit_depth = VIDC_BITDEPTH_8; 1569 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1570 init_waitqueue_head(&inst->reconf_wait); 1571 venus_helper_init_instance(inst); 1572 1573 ret = vdec_ctrl_init(inst); 1574 if (ret) 1575 goto err_free; 1576 1577 ret = hfi_session_create(inst, &vdec_hfi_ops); 1578 if (ret) 1579 goto err_ctrl_deinit; 1580 1581 vdec_inst_init(inst); 1582 1583 /* 1584 * create m2m device for every instance, the m2m context scheduling 1585 * is made by firmware side so we do not need to care about. 1586 */ 1587 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1588 if (IS_ERR(inst->m2m_dev)) { 1589 ret = PTR_ERR(inst->m2m_dev); 1590 goto err_session_destroy; 1591 } 1592 1593 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1594 if (IS_ERR(inst->m2m_ctx)) { 1595 ret = PTR_ERR(inst->m2m_ctx); 1596 goto err_m2m_release; 1597 } 1598 1599 v4l2_fh_init(&inst->fh, core->vdev_dec); 1600 1601 inst->fh.ctrl_handler = &inst->ctrl_handler; 1602 v4l2_fh_add(&inst->fh); 1603 inst->fh.m2m_ctx = inst->m2m_ctx; 1604 file->private_data = &inst->fh; 1605 1606 return 0; 1607 1608 err_m2m_release: 1609 v4l2_m2m_release(inst->m2m_dev); 1610 err_session_destroy: 1611 hfi_session_destroy(inst); 1612 err_ctrl_deinit: 1613 vdec_ctrl_deinit(inst); 1614 err_free: 1615 kfree(inst); 1616 return ret; 1617 } 1618 1619 static int vdec_close(struct file *file) 1620 { 1621 struct venus_inst *inst = to_inst(file); 1622 1623 vdec_pm_get(inst); 1624 1625 v4l2_m2m_ctx_release(inst->m2m_ctx); 1626 v4l2_m2m_release(inst->m2m_dev); 1627 vdec_ctrl_deinit(inst); 1628 hfi_session_destroy(inst); 1629 mutex_destroy(&inst->lock); 1630 v4l2_fh_del(&inst->fh); 1631 v4l2_fh_exit(&inst->fh); 1632 1633 vdec_pm_put(inst, false); 1634 1635 kfree(inst); 1636 return 0; 1637 } 1638 1639 static const struct v4l2_file_operations vdec_fops = { 1640 .owner = THIS_MODULE, 1641 .open = vdec_open, 1642 .release = vdec_close, 1643 .unlocked_ioctl = video_ioctl2, 1644 .poll = v4l2_m2m_fop_poll, 1645 .mmap = v4l2_m2m_fop_mmap, 1646 }; 1647 1648 static int vdec_probe(struct platform_device *pdev) 1649 { 1650 struct device *dev = &pdev->dev; 1651 struct video_device *vdev; 1652 struct venus_core *core; 1653 int ret; 1654 1655 if (!dev->parent) 1656 return -EPROBE_DEFER; 1657 1658 core = dev_get_drvdata(dev->parent); 1659 if (!core) 1660 return -EPROBE_DEFER; 1661 1662 platform_set_drvdata(pdev, core); 1663 1664 if (core->pm_ops->vdec_get) { 1665 ret = core->pm_ops->vdec_get(dev); 1666 if (ret) 1667 return ret; 1668 } 1669 1670 vdev = video_device_alloc(); 1671 if (!vdev) 1672 return -ENOMEM; 1673 1674 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1675 vdev->release = video_device_release; 1676 vdev->fops = &vdec_fops; 1677 vdev->ioctl_ops = &vdec_ioctl_ops; 1678 vdev->vfl_dir = VFL_DIR_M2M; 1679 vdev->v4l2_dev = &core->v4l2_dev; 1680 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1681 1682 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1683 if (ret) 1684 goto err_vdev_release; 1685 1686 core->vdev_dec = vdev; 1687 core->dev_dec = dev; 1688 1689 video_set_drvdata(vdev, core); 1690 pm_runtime_set_autosuspend_delay(dev, 2000); 1691 pm_runtime_use_autosuspend(dev); 1692 pm_runtime_enable(dev); 1693 1694 return 0; 1695 1696 err_vdev_release: 1697 video_device_release(vdev); 1698 return ret; 1699 } 1700 1701 static int vdec_remove(struct platform_device *pdev) 1702 { 1703 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1704 1705 video_unregister_device(core->vdev_dec); 1706 pm_runtime_disable(core->dev_dec); 1707 1708 if (core->pm_ops->vdec_put) 1709 core->pm_ops->vdec_put(core->dev_dec); 1710 1711 return 0; 1712 } 1713 1714 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1715 { 1716 struct venus_core *core = dev_get_drvdata(dev); 1717 const struct venus_pm_ops *pm_ops = core->pm_ops; 1718 int ret = 0; 1719 1720 if (pm_ops->vdec_power) 1721 ret = pm_ops->vdec_power(dev, POWER_OFF); 1722 1723 return ret; 1724 } 1725 1726 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1727 { 1728 struct venus_core *core = dev_get_drvdata(dev); 1729 const struct venus_pm_ops *pm_ops = core->pm_ops; 1730 int ret = 0; 1731 1732 if (pm_ops->vdec_power) 1733 ret = pm_ops->vdec_power(dev, POWER_ON); 1734 1735 return ret; 1736 } 1737 1738 static const struct dev_pm_ops vdec_pm_ops = { 1739 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1740 pm_runtime_force_resume) 1741 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1742 }; 1743 1744 static const struct of_device_id vdec_dt_match[] = { 1745 { .compatible = "venus-decoder" }, 1746 { } 1747 }; 1748 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1749 1750 static struct platform_driver qcom_venus_dec_driver = { 1751 .probe = vdec_probe, 1752 .remove = vdec_remove, 1753 .driver = { 1754 .name = "qcom-venus-decoder", 1755 .of_match_table = vdec_dt_match, 1756 .pm = &vdec_pm_ops, 1757 }, 1758 }; 1759 module_platform_driver(qcom_venus_dec_driver); 1760 1761 MODULE_ALIAS("platform:qcom-venus-decoder"); 1762 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1763 MODULE_LICENSE("GPL v2"); 1764