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 inst->output2_buf_size = 338 venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height); 339 } 340 341 return 0; 342 } 343 344 static int 345 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 346 { 347 struct venus_inst *inst = to_inst(file); 348 349 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 350 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 351 return -EINVAL; 352 353 s->r.top = 0; 354 s->r.left = 0; 355 356 switch (s->target) { 357 case V4L2_SEL_TGT_CROP_BOUNDS: 358 case V4L2_SEL_TGT_CROP_DEFAULT: 359 case V4L2_SEL_TGT_CROP: 360 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 361 return -EINVAL; 362 s->r.width = inst->out_width; 363 s->r.height = inst->out_height; 364 break; 365 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 366 case V4L2_SEL_TGT_COMPOSE_PADDED: 367 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 368 return -EINVAL; 369 s->r.width = inst->width; 370 s->r.height = inst->height; 371 break; 372 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 373 case V4L2_SEL_TGT_COMPOSE: 374 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 375 return -EINVAL; 376 s->r = inst->crop; 377 break; 378 default: 379 return -EINVAL; 380 } 381 382 return 0; 383 } 384 385 static int 386 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 387 { 388 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 389 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 390 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 391 392 return 0; 393 } 394 395 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 396 { 397 struct venus_inst *inst = to_inst(file); 398 const struct venus_format *fmt; 399 400 memset(f->reserved, 0, sizeof(f->reserved)); 401 402 fmt = find_format_by_index(inst, f->index, f->type); 403 if (!fmt) 404 return -EINVAL; 405 406 f->pixelformat = fmt->pixfmt; 407 f->flags = fmt->flags; 408 409 return 0; 410 } 411 412 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 413 { 414 struct venus_inst *inst = to_inst(file); 415 struct v4l2_captureparm *cap = &a->parm.capture; 416 struct v4l2_fract *timeperframe = &cap->timeperframe; 417 u64 us_per_frame, fps; 418 419 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 420 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 421 return -EINVAL; 422 423 memset(cap->reserved, 0, sizeof(cap->reserved)); 424 if (!timeperframe->denominator) 425 timeperframe->denominator = inst->timeperframe.denominator; 426 if (!timeperframe->numerator) 427 timeperframe->numerator = inst->timeperframe.numerator; 428 cap->readbuffers = 0; 429 cap->extendedmode = 0; 430 cap->capability = V4L2_CAP_TIMEPERFRAME; 431 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 432 do_div(us_per_frame, timeperframe->denominator); 433 434 if (!us_per_frame) 435 return -EINVAL; 436 437 fps = (u64)USEC_PER_SEC; 438 do_div(fps, us_per_frame); 439 440 inst->fps = fps; 441 inst->timeperframe = *timeperframe; 442 443 return 0; 444 } 445 446 static int vdec_enum_framesizes(struct file *file, void *fh, 447 struct v4l2_frmsizeenum *fsize) 448 { 449 struct venus_inst *inst = to_inst(file); 450 const struct venus_format *fmt; 451 452 fmt = find_format(inst, fsize->pixel_format, 453 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 454 if (!fmt) { 455 fmt = find_format(inst, fsize->pixel_format, 456 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 457 if (!fmt) 458 return -EINVAL; 459 } 460 461 if (fsize->index) 462 return -EINVAL; 463 464 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 465 466 fsize->stepwise.min_width = frame_width_min(inst); 467 fsize->stepwise.max_width = frame_width_max(inst); 468 fsize->stepwise.step_width = frame_width_step(inst); 469 fsize->stepwise.min_height = frame_height_min(inst); 470 fsize->stepwise.max_height = frame_height_max(inst); 471 fsize->stepwise.step_height = frame_height_step(inst); 472 473 return 0; 474 } 475 476 static int vdec_subscribe_event(struct v4l2_fh *fh, 477 const struct v4l2_event_subscription *sub) 478 { 479 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 480 int ret; 481 482 switch (sub->type) { 483 case V4L2_EVENT_EOS: 484 return v4l2_event_subscribe(fh, sub, 2, NULL); 485 case V4L2_EVENT_SOURCE_CHANGE: 486 ret = v4l2_src_change_event_subscribe(fh, sub); 487 if (ret) 488 return ret; 489 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 490 return 0; 491 case V4L2_EVENT_CTRL: 492 return v4l2_ctrl_subscribe_event(fh, sub); 493 default: 494 return -EINVAL; 495 } 496 } 497 498 static int 499 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 500 { 501 struct venus_inst *inst = to_inst(file); 502 struct hfi_frame_data fdata = {0}; 503 int ret; 504 505 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 506 if (ret) 507 return ret; 508 509 mutex_lock(&inst->lock); 510 511 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 512 /* 513 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 514 * decoder input to signal EOS. 515 */ 516 if (!(inst->streamon_out && inst->streamon_cap)) 517 goto unlock; 518 519 fdata.buffer_type = HFI_BUFFER_INPUT; 520 fdata.flags |= HFI_BUFFERFLAG_EOS; 521 if (IS_V6(inst->core)) 522 fdata.device_addr = 0; 523 else 524 fdata.device_addr = 0xdeadb000; 525 526 ret = hfi_session_process_buf(inst, &fdata); 527 528 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 529 inst->codec_state = VENUS_DEC_STATE_DRAIN; 530 inst->drain_active = true; 531 } 532 } 533 534 unlock: 535 mutex_unlock(&inst->lock); 536 return ret; 537 } 538 539 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 540 .vidioc_querycap = vdec_querycap, 541 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 542 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 543 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 544 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 545 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 546 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 547 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 548 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 549 .vidioc_g_selection = vdec_g_selection, 550 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 551 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 552 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 553 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 554 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 555 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 556 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 557 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 558 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 559 .vidioc_s_parm = vdec_s_parm, 560 .vidioc_enum_framesizes = vdec_enum_framesizes, 561 .vidioc_subscribe_event = vdec_subscribe_event, 562 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 563 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 564 .vidioc_decoder_cmd = vdec_decoder_cmd, 565 }; 566 567 static int vdec_pm_get(struct venus_inst *inst) 568 { 569 struct venus_core *core = inst->core; 570 struct device *dev = core->dev_dec; 571 int ret; 572 573 mutex_lock(&core->pm_lock); 574 ret = pm_runtime_resume_and_get(dev); 575 mutex_unlock(&core->pm_lock); 576 577 return ret; 578 } 579 580 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 581 { 582 struct venus_core *core = inst->core; 583 struct device *dev = core->dev_dec; 584 int ret; 585 586 mutex_lock(&core->pm_lock); 587 588 if (autosuspend) 589 ret = pm_runtime_put_autosuspend(dev); 590 else 591 ret = pm_runtime_put_sync(dev); 592 593 mutex_unlock(&core->pm_lock); 594 595 return ret < 0 ? ret : 0; 596 } 597 598 static int vdec_pm_get_put(struct venus_inst *inst) 599 { 600 struct venus_core *core = inst->core; 601 struct device *dev = core->dev_dec; 602 int ret = 0; 603 604 mutex_lock(&core->pm_lock); 605 606 if (pm_runtime_suspended(dev)) { 607 ret = pm_runtime_resume_and_get(dev); 608 if (ret < 0) 609 goto error; 610 611 ret = pm_runtime_put_autosuspend(dev); 612 } 613 614 error: 615 mutex_unlock(&core->pm_lock); 616 617 return ret < 0 ? ret : 0; 618 } 619 620 static void vdec_pm_touch(struct venus_inst *inst) 621 { 622 pm_runtime_mark_last_busy(inst->core->dev_dec); 623 } 624 625 static int vdec_set_properties(struct venus_inst *inst) 626 { 627 struct vdec_controls *ctr = &inst->controls.dec; 628 struct hfi_enable en = { .enable = 1 }; 629 u32 ptype, decode_order, conceal; 630 int ret; 631 632 if (ctr->post_loop_deb_mode) { 633 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 634 ret = hfi_session_set_property(inst, ptype, &en); 635 if (ret) 636 return ret; 637 } 638 639 if (ctr->display_delay_enable && ctr->display_delay == 0) { 640 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; 641 decode_order = HFI_OUTPUT_ORDER_DECODE; 642 ret = hfi_session_set_property(inst, ptype, &decode_order); 643 if (ret) 644 return ret; 645 } 646 647 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; 648 conceal = ctr->conceal_color & 0xffff; 649 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; 650 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; 651 652 ret = hfi_session_set_property(inst, ptype, &conceal); 653 if (ret) 654 return ret; 655 656 return 0; 657 } 658 659 static int vdec_set_work_route(struct venus_inst *inst) 660 { 661 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE; 662 struct hfi_video_work_route wr; 663 664 if (!IS_V6(inst->core)) 665 return 0; 666 667 wr.video_work_route = inst->core->res->num_vpp_pipes; 668 669 return hfi_session_set_property(inst, ptype, &wr); 670 } 671 672 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 673 674 static int vdec_output_conf(struct venus_inst *inst) 675 { 676 struct venus_core *core = inst->core; 677 struct hfi_enable en = { .enable = 1 }; 678 struct hfi_buffer_requirements bufreq; 679 u32 width = inst->out_width; 680 u32 height = inst->out_height; 681 u32 out_fmt, out2_fmt; 682 bool ubwc = false; 683 u32 ptype; 684 int ret; 685 686 ret = venus_helper_set_work_mode(inst); 687 if (ret) 688 return ret; 689 690 if (core->res->hfi_version == HFI_VERSION_1XX) { 691 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 692 ret = hfi_session_set_property(inst, ptype, &en); 693 if (ret) 694 return ret; 695 } 696 697 /* Force searching UBWC formats for bigger then HD resolutions */ 698 if (width > 1920 && height > ALIGN(1080, 32)) 699 ubwc = true; 700 701 /* For Venus v4/v6 UBWC format is mandatory */ 702 if (IS_V4(core) || IS_V6(core)) 703 ubwc = true; 704 705 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 706 &out2_fmt, ubwc); 707 if (ret) 708 return ret; 709 710 inst->output_buf_size = 711 venus_helper_get_framesz_raw(out_fmt, width, height); 712 inst->output2_buf_size = 713 venus_helper_get_framesz_raw(out2_fmt, width, height); 714 715 if (is_ubwc_fmt(out_fmt)) { 716 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 717 inst->opb_fmt = out2_fmt; 718 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 719 inst->dpb_fmt = out_fmt; 720 } else if (is_ubwc_fmt(out2_fmt)) { 721 inst->opb_buftype = HFI_BUFFER_OUTPUT; 722 inst->opb_fmt = out_fmt; 723 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 724 inst->dpb_fmt = out2_fmt; 725 } else { 726 inst->opb_buftype = HFI_BUFFER_OUTPUT; 727 inst->opb_fmt = out_fmt; 728 inst->dpb_buftype = 0; 729 inst->dpb_fmt = 0; 730 } 731 732 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 733 inst->opb_buftype); 734 if (ret) 735 return ret; 736 737 ret = venus_helper_set_format_constraints(inst); 738 if (ret) 739 return ret; 740 741 if (inst->dpb_fmt) { 742 ret = venus_helper_set_multistream(inst, false, true); 743 if (ret) 744 return ret; 745 746 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 747 inst->dpb_buftype); 748 if (ret) 749 return ret; 750 751 ret = venus_helper_set_output_resolution(inst, width, height, 752 HFI_BUFFER_OUTPUT2); 753 if (ret) 754 return ret; 755 } 756 757 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { 758 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 759 if (ret) 760 return ret; 761 762 if (bufreq.size > inst->output_buf_size) 763 return -EINVAL; 764 765 if (inst->dpb_fmt) { 766 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 767 &bufreq); 768 if (ret) 769 return ret; 770 771 if (bufreq.size > inst->output2_buf_size) 772 return -EINVAL; 773 } 774 775 if (inst->output2_buf_size) { 776 ret = venus_helper_set_bufsize(inst, 777 inst->output2_buf_size, 778 HFI_BUFFER_OUTPUT2); 779 if (ret) 780 return ret; 781 } 782 783 if (inst->output_buf_size) { 784 ret = venus_helper_set_bufsize(inst, 785 inst->output_buf_size, 786 HFI_BUFFER_OUTPUT); 787 if (ret) 788 return ret; 789 } 790 } 791 792 ret = venus_helper_set_dyn_bufmode(inst); 793 if (ret) 794 return ret; 795 796 return 0; 797 } 798 799 static int vdec_session_init(struct venus_inst *inst) 800 { 801 int ret; 802 803 ret = venus_helper_session_init(inst); 804 if (ret == -EALREADY) 805 return 0; 806 else if (ret) 807 return ret; 808 809 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 810 frame_height_min(inst)); 811 if (ret) 812 goto deinit; 813 814 return 0; 815 deinit: 816 hfi_session_deinit(inst); 817 return ret; 818 } 819 820 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 821 unsigned int *out_num) 822 { 823 enum hfi_version ver = inst->core->res->hfi_version; 824 struct hfi_buffer_requirements bufreq; 825 int ret; 826 827 *in_num = *out_num = 0; 828 829 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 830 if (ret) 831 return ret; 832 833 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 834 835 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 836 if (ret) 837 return ret; 838 839 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 840 841 return 0; 842 } 843 844 static int vdec_queue_setup(struct vb2_queue *q, 845 unsigned int *num_buffers, unsigned int *num_planes, 846 unsigned int sizes[], struct device *alloc_devs[]) 847 { 848 struct venus_inst *inst = vb2_get_drv_priv(q); 849 struct venus_core *core = inst->core; 850 unsigned int in_num, out_num; 851 int ret = 0; 852 853 if (*num_planes) { 854 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 855 856 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 857 *num_planes != inst->fmt_out->num_planes) 858 return -EINVAL; 859 860 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 861 *num_planes != inst->fmt_cap->num_planes) 862 return -EINVAL; 863 864 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 865 sizes[0] < inst->input_buf_size) 866 return -EINVAL; 867 868 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 869 sizes[0] < output_buf_size) 870 return -EINVAL; 871 872 return 0; 873 } 874 875 if (test_bit(0, &core->sys_error)) { 876 if (inst->nonblock) 877 return -EAGAIN; 878 879 ret = wait_event_interruptible(core->sys_err_done, 880 !test_bit(0, &core->sys_error)); 881 if (ret) 882 return ret; 883 } 884 885 ret = vdec_pm_get(inst); 886 if (ret) 887 return ret; 888 889 ret = vdec_session_init(inst); 890 if (ret) 891 goto put_power; 892 893 ret = vdec_num_buffers(inst, &in_num, &out_num); 894 if (ret) 895 goto put_power; 896 897 ret = vdec_pm_put(inst, false); 898 if (ret) 899 return ret; 900 901 switch (q->type) { 902 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 903 *num_planes = inst->fmt_out->num_planes; 904 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 905 inst->out_width, 906 inst->out_height); 907 sizes[0] = max(sizes[0], inst->input_buf_size); 908 inst->input_buf_size = sizes[0]; 909 *num_buffers = max(*num_buffers, in_num); 910 inst->num_input_bufs = *num_buffers; 911 inst->num_output_bufs = out_num; 912 break; 913 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 914 *num_planes = inst->fmt_cap->num_planes; 915 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 916 inst->width, 917 inst->height); 918 inst->output_buf_size = sizes[0]; 919 *num_buffers = max(*num_buffers, out_num); 920 inst->num_output_bufs = *num_buffers; 921 922 mutex_lock(&inst->lock); 923 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 924 inst->codec_state = VENUS_DEC_STATE_STOPPED; 925 mutex_unlock(&inst->lock); 926 break; 927 default: 928 ret = -EINVAL; 929 break; 930 } 931 932 return ret; 933 934 put_power: 935 vdec_pm_put(inst, false); 936 return ret; 937 } 938 939 static int vdec_verify_conf(struct venus_inst *inst) 940 { 941 enum hfi_version ver = inst->core->res->hfi_version; 942 struct hfi_buffer_requirements bufreq; 943 int ret; 944 945 if (!inst->num_input_bufs || !inst->num_output_bufs) 946 return -EINVAL; 947 948 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 949 if (ret) 950 return ret; 951 952 if (inst->num_output_bufs < bufreq.count_actual || 953 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 954 return -EINVAL; 955 956 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 957 if (ret) 958 return ret; 959 960 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 961 return -EINVAL; 962 963 return 0; 964 } 965 966 static int vdec_start_capture(struct venus_inst *inst) 967 { 968 int ret; 969 970 if (!inst->streamon_out) 971 return 0; 972 973 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 974 if (inst->reconfig) 975 goto reconfigure; 976 977 venus_helper_queue_dpb_bufs(inst); 978 venus_helper_process_initial_cap_bufs(inst); 979 inst->streamon_cap = 1; 980 return 0; 981 } 982 983 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 984 return 0; 985 986 reconfigure: 987 ret = vdec_output_conf(inst); 988 if (ret) 989 return ret; 990 991 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 992 VB2_MAX_FRAME, VB2_MAX_FRAME); 993 if (ret) 994 return ret; 995 996 ret = venus_helper_intbufs_realloc(inst); 997 if (ret) 998 goto err; 999 1000 venus_pm_load_scale(inst); 1001 1002 inst->next_buf_last = false; 1003 1004 ret = venus_helper_alloc_dpb_bufs(inst); 1005 if (ret) 1006 goto err; 1007 1008 ret = hfi_session_continue(inst); 1009 if (ret) 1010 goto free_dpb_bufs; 1011 1012 ret = venus_helper_queue_dpb_bufs(inst); 1013 if (ret) 1014 goto free_dpb_bufs; 1015 1016 ret = venus_helper_process_initial_cap_bufs(inst); 1017 if (ret) 1018 goto free_dpb_bufs; 1019 1020 inst->codec_state = VENUS_DEC_STATE_DECODING; 1021 1022 if (inst->drain_active) 1023 inst->codec_state = VENUS_DEC_STATE_DRAIN; 1024 1025 inst->streamon_cap = 1; 1026 inst->sequence_cap = 0; 1027 inst->reconfig = false; 1028 inst->drain_active = false; 1029 1030 return 0; 1031 1032 free_dpb_bufs: 1033 venus_helper_free_dpb_bufs(inst); 1034 err: 1035 return ret; 1036 } 1037 1038 static int vdec_start_output(struct venus_inst *inst) 1039 { 1040 int ret; 1041 1042 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1043 ret = venus_helper_process_initial_out_bufs(inst); 1044 if (inst->next_buf_last) 1045 inst->codec_state = VENUS_DEC_STATE_DRC; 1046 else 1047 inst->codec_state = VENUS_DEC_STATE_DECODING; 1048 goto done; 1049 } 1050 1051 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1052 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1053 ret = venus_helper_process_initial_out_bufs(inst); 1054 goto done; 1055 } 1056 1057 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1058 return -EINVAL; 1059 1060 venus_helper_init_instance(inst); 1061 inst->sequence_out = 0; 1062 inst->reconfig = false; 1063 inst->next_buf_last = false; 1064 1065 ret = vdec_set_properties(inst); 1066 if (ret) 1067 return ret; 1068 1069 ret = vdec_set_work_route(inst); 1070 if (ret) 1071 return ret; 1072 1073 ret = vdec_output_conf(inst); 1074 if (ret) 1075 return ret; 1076 1077 ret = vdec_verify_conf(inst); 1078 if (ret) 1079 return ret; 1080 1081 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1082 VB2_MAX_FRAME, VB2_MAX_FRAME); 1083 if (ret) 1084 return ret; 1085 1086 ret = venus_helper_vb2_start_streaming(inst); 1087 if (ret) 1088 return ret; 1089 1090 ret = venus_helper_process_initial_out_bufs(inst); 1091 if (ret) 1092 return ret; 1093 1094 inst->codec_state = VENUS_DEC_STATE_INIT; 1095 1096 done: 1097 inst->streamon_out = 1; 1098 return ret; 1099 } 1100 1101 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1102 { 1103 struct venus_inst *inst = vb2_get_drv_priv(q); 1104 int ret; 1105 1106 mutex_lock(&inst->lock); 1107 1108 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1109 ret = vdec_start_capture(inst); 1110 } else { 1111 ret = vdec_pm_get(inst); 1112 if (ret) 1113 goto error; 1114 1115 ret = venus_pm_acquire_core(inst); 1116 if (ret) 1117 goto put_power; 1118 1119 ret = vdec_pm_put(inst, true); 1120 if (ret) 1121 goto error; 1122 1123 ret = vdec_start_output(inst); 1124 } 1125 1126 if (ret) 1127 goto error; 1128 1129 mutex_unlock(&inst->lock); 1130 return 0; 1131 1132 put_power: 1133 vdec_pm_put(inst, false); 1134 error: 1135 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1136 mutex_unlock(&inst->lock); 1137 return ret; 1138 } 1139 1140 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1141 { 1142 struct vb2_v4l2_buffer *buf; 1143 1144 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1145 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1146 } 1147 1148 static int vdec_stop_capture(struct venus_inst *inst) 1149 { 1150 int ret = 0; 1151 1152 switch (inst->codec_state) { 1153 case VENUS_DEC_STATE_DECODING: 1154 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1155 fallthrough; 1156 case VENUS_DEC_STATE_DRAIN: 1157 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1158 inst->drain_active = false; 1159 fallthrough; 1160 case VENUS_DEC_STATE_SEEK: 1161 vdec_cancel_dst_buffers(inst); 1162 break; 1163 case VENUS_DEC_STATE_DRC: 1164 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1165 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1166 venus_helper_free_dpb_bufs(inst); 1167 break; 1168 default: 1169 break; 1170 } 1171 1172 return ret; 1173 } 1174 1175 static int vdec_stop_output(struct venus_inst *inst) 1176 { 1177 int ret = 0; 1178 1179 switch (inst->codec_state) { 1180 case VENUS_DEC_STATE_DECODING: 1181 case VENUS_DEC_STATE_DRAIN: 1182 case VENUS_DEC_STATE_STOPPED: 1183 case VENUS_DEC_STATE_DRC: 1184 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1185 inst->codec_state = VENUS_DEC_STATE_SEEK; 1186 break; 1187 case VENUS_DEC_STATE_INIT: 1188 case VENUS_DEC_STATE_CAPTURE_SETUP: 1189 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1190 break; 1191 default: 1192 break; 1193 } 1194 1195 return ret; 1196 } 1197 1198 static void vdec_stop_streaming(struct vb2_queue *q) 1199 { 1200 struct venus_inst *inst = vb2_get_drv_priv(q); 1201 int ret = -EINVAL; 1202 1203 mutex_lock(&inst->lock); 1204 1205 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1206 ret = vdec_stop_capture(inst); 1207 else 1208 ret = vdec_stop_output(inst); 1209 1210 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1211 1212 inst->session_error = 0; 1213 1214 if (ret) 1215 goto unlock; 1216 1217 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1218 inst->streamon_out = 0; 1219 else 1220 inst->streamon_cap = 0; 1221 1222 unlock: 1223 mutex_unlock(&inst->lock); 1224 } 1225 1226 static void vdec_session_release(struct venus_inst *inst) 1227 { 1228 struct venus_core *core = inst->core; 1229 int ret, abort = 0; 1230 1231 vdec_pm_get(inst); 1232 1233 mutex_lock(&inst->lock); 1234 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1235 1236 ret = hfi_session_stop(inst); 1237 abort = (ret && ret != -EINVAL) ? 1 : 0; 1238 ret = hfi_session_unload_res(inst); 1239 abort = (ret && ret != -EINVAL) ? 1 : 0; 1240 ret = venus_helper_unregister_bufs(inst); 1241 abort = (ret && ret != -EINVAL) ? 1 : 0; 1242 ret = venus_helper_intbufs_free(inst); 1243 abort = (ret && ret != -EINVAL) ? 1 : 0; 1244 ret = hfi_session_deinit(inst); 1245 abort = (ret && ret != -EINVAL) ? 1 : 0; 1246 1247 if (inst->session_error || test_bit(0, &core->sys_error)) 1248 abort = 1; 1249 1250 if (abort) 1251 hfi_session_abort(inst); 1252 1253 venus_helper_free_dpb_bufs(inst); 1254 venus_pm_load_scale(inst); 1255 INIT_LIST_HEAD(&inst->registeredbufs); 1256 mutex_unlock(&inst->lock); 1257 1258 venus_pm_release_core(inst); 1259 vdec_pm_put(inst, false); 1260 } 1261 1262 static int vdec_buf_init(struct vb2_buffer *vb) 1263 { 1264 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1265 1266 inst->buf_count++; 1267 1268 return venus_helper_vb2_buf_init(vb); 1269 } 1270 1271 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1272 { 1273 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1274 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1275 struct venus_buffer *buf = to_venus_buffer(vbuf); 1276 1277 mutex_lock(&inst->lock); 1278 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1279 if (!list_empty(&inst->registeredbufs)) 1280 list_del_init(&buf->reg_list); 1281 mutex_unlock(&inst->lock); 1282 1283 inst->buf_count--; 1284 if (!inst->buf_count) 1285 vdec_session_release(inst); 1286 } 1287 1288 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1289 { 1290 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1291 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1292 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1293 1294 vdec_pm_get_put(inst); 1295 1296 mutex_lock(&inst->lock); 1297 1298 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1299 inst->codec_state == VENUS_DEC_STATE_DRC) { 1300 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1301 vbuf->sequence = inst->sequence_cap++; 1302 vbuf->field = V4L2_FIELD_NONE; 1303 vb2_set_plane_payload(vb, 0, 0); 1304 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1305 v4l2_event_queue_fh(&inst->fh, &eos); 1306 inst->next_buf_last = false; 1307 mutex_unlock(&inst->lock); 1308 return; 1309 } 1310 1311 venus_helper_vb2_buf_queue(vb); 1312 mutex_unlock(&inst->lock); 1313 } 1314 1315 static const struct vb2_ops vdec_vb2_ops = { 1316 .queue_setup = vdec_queue_setup, 1317 .buf_init = vdec_buf_init, 1318 .buf_cleanup = vdec_buf_cleanup, 1319 .buf_prepare = venus_helper_vb2_buf_prepare, 1320 .start_streaming = vdec_start_streaming, 1321 .stop_streaming = vdec_stop_streaming, 1322 .buf_queue = vdec_vb2_buf_queue, 1323 }; 1324 1325 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1326 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1327 u32 hfi_flags, u64 timestamp_us) 1328 { 1329 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1330 struct vb2_v4l2_buffer *vbuf; 1331 struct vb2_buffer *vb; 1332 unsigned int type; 1333 1334 vdec_pm_touch(inst); 1335 1336 if (buf_type == HFI_BUFFER_INPUT) 1337 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1338 else 1339 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1340 1341 vbuf = venus_helper_find_buf(inst, type, tag); 1342 if (!vbuf) { 1343 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag); 1344 return; 1345 } 1346 1347 vbuf->flags = flags; 1348 vbuf->field = V4L2_FIELD_NONE; 1349 vb = &vbuf->vb2_buf; 1350 1351 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1352 vb2_set_plane_payload(vb, 0, bytesused); 1353 vb->planes[0].data_offset = data_offset; 1354 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1355 vbuf->sequence = inst->sequence_cap++; 1356 1357 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1358 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1359 1360 v4l2_event_queue_fh(&inst->fh, &ev); 1361 1362 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1363 inst->drain_active = false; 1364 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1365 } 1366 } 1367 1368 if (!bytesused) 1369 state = VB2_BUF_STATE_ERROR; 1370 } else { 1371 vbuf->sequence = inst->sequence_out++; 1372 } 1373 1374 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1375 1376 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1377 venus_helper_acquire_buf_ref(vbuf); 1378 1379 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1380 state = VB2_BUF_STATE_ERROR; 1381 1382 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1383 state = VB2_BUF_STATE_ERROR; 1384 vb2_set_plane_payload(vb, 0, 0); 1385 vb->timestamp = 0; 1386 } 1387 1388 v4l2_m2m_buf_done(vbuf, state); 1389 } 1390 1391 static void vdec_event_change(struct venus_inst *inst, 1392 struct hfi_event_data *ev_data, bool sufficient) 1393 { 1394 static const struct v4l2_event ev = { 1395 .type = V4L2_EVENT_SOURCE_CHANGE, 1396 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1397 struct device *dev = inst->core->dev_dec; 1398 struct v4l2_format format = {}; 1399 1400 mutex_lock(&inst->lock); 1401 1402 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1403 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1404 format.fmt.pix_mp.width = ev_data->width; 1405 format.fmt.pix_mp.height = ev_data->height; 1406 1407 vdec_try_fmt_common(inst, &format); 1408 1409 inst->width = format.fmt.pix_mp.width; 1410 inst->height = format.fmt.pix_mp.height; 1411 /* 1412 * Some versions of the firmware do not report crop information for 1413 * all codecs. For these cases, set the crop to the coded resolution. 1414 */ 1415 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1416 inst->crop.left = ev_data->input_crop.left; 1417 inst->crop.top = ev_data->input_crop.top; 1418 inst->crop.width = ev_data->input_crop.width; 1419 inst->crop.height = ev_data->input_crop.height; 1420 } else { 1421 inst->crop.left = 0; 1422 inst->crop.top = 0; 1423 inst->crop.width = ev_data->width; 1424 inst->crop.height = ev_data->height; 1425 } 1426 1427 inst->fw_min_cnt = ev_data->buf_count; 1428 /* overwriting this to 11 for vp9 due to fw bug */ 1429 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) 1430 inst->fw_min_cnt = 11; 1431 1432 inst->out_width = ev_data->width; 1433 inst->out_height = ev_data->height; 1434 1435 if (inst->bit_depth != ev_data->bit_depth) 1436 inst->bit_depth = ev_data->bit_depth; 1437 1438 if (inst->pic_struct != ev_data->pic_struct) 1439 inst->pic_struct = ev_data->pic_struct; 1440 1441 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1442 sufficient ? "" : "not", ev_data->width, ev_data->height); 1443 1444 switch (inst->codec_state) { 1445 case VENUS_DEC_STATE_INIT: 1446 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1447 break; 1448 case VENUS_DEC_STATE_DECODING: 1449 case VENUS_DEC_STATE_DRAIN: 1450 inst->codec_state = VENUS_DEC_STATE_DRC; 1451 break; 1452 default: 1453 break; 1454 } 1455 1456 /* 1457 * The assumption is that the firmware have to return the last buffer 1458 * before this event is received in the v4l2 driver. Also the firmware 1459 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1460 */ 1461 1462 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1463 int ret; 1464 1465 inst->next_buf_last = true; 1466 1467 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1468 if (ret) 1469 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1470 } 1471 1472 inst->next_buf_last = true; 1473 inst->reconfig = true; 1474 v4l2_event_queue_fh(&inst->fh, &ev); 1475 wake_up(&inst->reconf_wait); 1476 1477 mutex_unlock(&inst->lock); 1478 } 1479 1480 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1481 struct hfi_event_data *data) 1482 { 1483 struct venus_core *core = inst->core; 1484 struct device *dev = core->dev_dec; 1485 1486 vdec_pm_touch(inst); 1487 1488 switch (event) { 1489 case EVT_SESSION_ERROR: 1490 inst->session_error = true; 1491 venus_helper_vb2_queue_error(inst); 1492 dev_err(dev, "dec: event session error %x\n", inst->error); 1493 break; 1494 case EVT_SYS_EVENT_CHANGE: 1495 switch (data->event_type) { 1496 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1497 vdec_event_change(inst, data, true); 1498 break; 1499 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1500 vdec_event_change(inst, data, false); 1501 break; 1502 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1503 venus_helper_release_buf_ref(inst, data->tag); 1504 break; 1505 default: 1506 break; 1507 } 1508 break; 1509 default: 1510 break; 1511 } 1512 } 1513 1514 static void vdec_flush_done(struct venus_inst *inst) 1515 { 1516 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1517 } 1518 1519 static const struct hfi_inst_ops vdec_hfi_ops = { 1520 .buf_done = vdec_buf_done, 1521 .event_notify = vdec_event_notify, 1522 .flush_done = vdec_flush_done, 1523 }; 1524 1525 static void vdec_inst_init(struct venus_inst *inst) 1526 { 1527 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1528 inst->fmt_out = &vdec_formats[6]; 1529 inst->fmt_cap = &vdec_formats[0]; 1530 inst->width = frame_width_min(inst); 1531 inst->height = ALIGN(frame_height_min(inst), 32); 1532 inst->crop.left = 0; 1533 inst->crop.top = 0; 1534 inst->crop.width = inst->width; 1535 inst->crop.height = inst->height; 1536 inst->fw_min_cnt = 8; 1537 inst->out_width = frame_width_min(inst); 1538 inst->out_height = frame_height_min(inst); 1539 inst->fps = 30; 1540 inst->timeperframe.numerator = 1; 1541 inst->timeperframe.denominator = 30; 1542 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1543 } 1544 1545 static void vdec_m2m_device_run(void *priv) 1546 { 1547 } 1548 1549 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1550 .device_run = vdec_m2m_device_run, 1551 .job_abort = venus_helper_m2m_job_abort, 1552 }; 1553 1554 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1555 struct vb2_queue *dst_vq) 1556 { 1557 struct venus_inst *inst = priv; 1558 int ret; 1559 1560 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1561 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1562 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1563 src_vq->ops = &vdec_vb2_ops; 1564 src_vq->mem_ops = &vb2_dma_contig_memops; 1565 src_vq->drv_priv = inst; 1566 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1567 src_vq->allow_zero_bytesused = 1; 1568 src_vq->min_buffers_needed = 0; 1569 src_vq->dev = inst->core->dev; 1570 ret = vb2_queue_init(src_vq); 1571 if (ret) 1572 return ret; 1573 1574 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1575 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1576 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1577 dst_vq->ops = &vdec_vb2_ops; 1578 dst_vq->mem_ops = &vb2_dma_contig_memops; 1579 dst_vq->drv_priv = inst; 1580 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1581 dst_vq->allow_zero_bytesused = 1; 1582 dst_vq->min_buffers_needed = 0; 1583 dst_vq->dev = inst->core->dev; 1584 return vb2_queue_init(dst_vq); 1585 } 1586 1587 static int vdec_open(struct file *file) 1588 { 1589 struct venus_core *core = video_drvdata(file); 1590 struct venus_inst *inst; 1591 int ret; 1592 1593 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1594 if (!inst) 1595 return -ENOMEM; 1596 1597 INIT_LIST_HEAD(&inst->dpbbufs); 1598 INIT_LIST_HEAD(&inst->registeredbufs); 1599 INIT_LIST_HEAD(&inst->internalbufs); 1600 INIT_LIST_HEAD(&inst->list); 1601 mutex_init(&inst->lock); 1602 1603 inst->core = core; 1604 inst->session_type = VIDC_SESSION_TYPE_DEC; 1605 inst->num_output_bufs = 1; 1606 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1607 inst->buf_count = 0; 1608 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1609 inst->core_acquired = false; 1610 inst->bit_depth = VIDC_BITDEPTH_8; 1611 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1612 init_waitqueue_head(&inst->reconf_wait); 1613 inst->nonblock = file->f_flags & O_NONBLOCK; 1614 1615 venus_helper_init_instance(inst); 1616 1617 ret = vdec_ctrl_init(inst); 1618 if (ret) 1619 goto err_free; 1620 1621 ret = hfi_session_create(inst, &vdec_hfi_ops); 1622 if (ret) 1623 goto err_ctrl_deinit; 1624 1625 vdec_inst_init(inst); 1626 1627 ida_init(&inst->dpb_ids); 1628 1629 /* 1630 * create m2m device for every instance, the m2m context scheduling 1631 * is made by firmware side so we do not need to care about. 1632 */ 1633 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1634 if (IS_ERR(inst->m2m_dev)) { 1635 ret = PTR_ERR(inst->m2m_dev); 1636 goto err_session_destroy; 1637 } 1638 1639 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1640 if (IS_ERR(inst->m2m_ctx)) { 1641 ret = PTR_ERR(inst->m2m_ctx); 1642 goto err_m2m_release; 1643 } 1644 1645 v4l2_fh_init(&inst->fh, core->vdev_dec); 1646 1647 inst->fh.ctrl_handler = &inst->ctrl_handler; 1648 v4l2_fh_add(&inst->fh); 1649 inst->fh.m2m_ctx = inst->m2m_ctx; 1650 file->private_data = &inst->fh; 1651 1652 return 0; 1653 1654 err_m2m_release: 1655 v4l2_m2m_release(inst->m2m_dev); 1656 err_session_destroy: 1657 hfi_session_destroy(inst); 1658 err_ctrl_deinit: 1659 vdec_ctrl_deinit(inst); 1660 err_free: 1661 kfree(inst); 1662 return ret; 1663 } 1664 1665 static int vdec_close(struct file *file) 1666 { 1667 struct venus_inst *inst = to_inst(file); 1668 1669 vdec_pm_get(inst); 1670 1671 v4l2_m2m_ctx_release(inst->m2m_ctx); 1672 v4l2_m2m_release(inst->m2m_dev); 1673 vdec_ctrl_deinit(inst); 1674 ida_destroy(&inst->dpb_ids); 1675 hfi_session_destroy(inst); 1676 mutex_destroy(&inst->lock); 1677 v4l2_fh_del(&inst->fh); 1678 v4l2_fh_exit(&inst->fh); 1679 1680 vdec_pm_put(inst, false); 1681 1682 kfree(inst); 1683 return 0; 1684 } 1685 1686 static const struct v4l2_file_operations vdec_fops = { 1687 .owner = THIS_MODULE, 1688 .open = vdec_open, 1689 .release = vdec_close, 1690 .unlocked_ioctl = video_ioctl2, 1691 .poll = v4l2_m2m_fop_poll, 1692 .mmap = v4l2_m2m_fop_mmap, 1693 }; 1694 1695 static int vdec_probe(struct platform_device *pdev) 1696 { 1697 struct device *dev = &pdev->dev; 1698 struct video_device *vdev; 1699 struct venus_core *core; 1700 int ret; 1701 1702 if (!dev->parent) 1703 return -EPROBE_DEFER; 1704 1705 core = dev_get_drvdata(dev->parent); 1706 if (!core) 1707 return -EPROBE_DEFER; 1708 1709 platform_set_drvdata(pdev, core); 1710 1711 if (core->pm_ops->vdec_get) { 1712 ret = core->pm_ops->vdec_get(dev); 1713 if (ret) 1714 return ret; 1715 } 1716 1717 vdev = video_device_alloc(); 1718 if (!vdev) 1719 return -ENOMEM; 1720 1721 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1722 vdev->release = video_device_release; 1723 vdev->fops = &vdec_fops; 1724 vdev->ioctl_ops = &vdec_ioctl_ops; 1725 vdev->vfl_dir = VFL_DIR_M2M; 1726 vdev->v4l2_dev = &core->v4l2_dev; 1727 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1728 1729 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1730 if (ret) 1731 goto err_vdev_release; 1732 1733 core->vdev_dec = vdev; 1734 core->dev_dec = dev; 1735 1736 video_set_drvdata(vdev, core); 1737 pm_runtime_set_autosuspend_delay(dev, 2000); 1738 pm_runtime_use_autosuspend(dev); 1739 pm_runtime_enable(dev); 1740 1741 return 0; 1742 1743 err_vdev_release: 1744 video_device_release(vdev); 1745 return ret; 1746 } 1747 1748 static int vdec_remove(struct platform_device *pdev) 1749 { 1750 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1751 1752 video_unregister_device(core->vdev_dec); 1753 pm_runtime_disable(core->dev_dec); 1754 1755 if (core->pm_ops->vdec_put) 1756 core->pm_ops->vdec_put(core->dev_dec); 1757 1758 return 0; 1759 } 1760 1761 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1762 { 1763 struct venus_core *core = dev_get_drvdata(dev); 1764 const struct venus_pm_ops *pm_ops = core->pm_ops; 1765 int ret = 0; 1766 1767 if (pm_ops->vdec_power) 1768 ret = pm_ops->vdec_power(dev, POWER_OFF); 1769 1770 return ret; 1771 } 1772 1773 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1774 { 1775 struct venus_core *core = dev_get_drvdata(dev); 1776 const struct venus_pm_ops *pm_ops = core->pm_ops; 1777 int ret = 0; 1778 1779 if (pm_ops->vdec_power) 1780 ret = pm_ops->vdec_power(dev, POWER_ON); 1781 1782 return ret; 1783 } 1784 1785 static const struct dev_pm_ops vdec_pm_ops = { 1786 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1787 pm_runtime_force_resume) 1788 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1789 }; 1790 1791 static const struct of_device_id vdec_dt_match[] = { 1792 { .compatible = "venus-decoder" }, 1793 { } 1794 }; 1795 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1796 1797 static struct platform_driver qcom_venus_dec_driver = { 1798 .probe = vdec_probe, 1799 .remove = vdec_remove, 1800 .driver = { 1801 .name = "qcom-venus-decoder", 1802 .of_match_table = vdec_dt_match, 1803 .pm = &vdec_pm_ops, 1804 }, 1805 }; 1806 module_platform_driver(qcom_venus_dec_driver); 1807 1808 MODULE_ALIAS("platform:qcom-venus-decoder"); 1809 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1810 MODULE_LICENSE("GPL v2"); 1811