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 unsigned int in_num, out_num; 850 int ret = 0; 851 852 if (*num_planes) { 853 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 854 855 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 856 *num_planes != inst->fmt_out->num_planes) 857 return -EINVAL; 858 859 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 860 *num_planes != inst->fmt_cap->num_planes) 861 return -EINVAL; 862 863 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 864 sizes[0] < inst->input_buf_size) 865 return -EINVAL; 866 867 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 868 sizes[0] < output_buf_size) 869 return -EINVAL; 870 871 return 0; 872 } 873 874 ret = vdec_pm_get(inst); 875 if (ret) 876 return ret; 877 878 ret = vdec_session_init(inst); 879 if (ret) 880 goto put_power; 881 882 ret = vdec_num_buffers(inst, &in_num, &out_num); 883 if (ret) 884 goto put_power; 885 886 ret = vdec_pm_put(inst, false); 887 if (ret) 888 return ret; 889 890 switch (q->type) { 891 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 892 *num_planes = inst->fmt_out->num_planes; 893 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 894 inst->out_width, 895 inst->out_height); 896 sizes[0] = max(sizes[0], inst->input_buf_size); 897 inst->input_buf_size = sizes[0]; 898 *num_buffers = max(*num_buffers, in_num); 899 inst->num_input_bufs = *num_buffers; 900 inst->num_output_bufs = out_num; 901 break; 902 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 903 *num_planes = inst->fmt_cap->num_planes; 904 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 905 inst->width, 906 inst->height); 907 inst->output_buf_size = sizes[0]; 908 *num_buffers = max(*num_buffers, out_num); 909 inst->num_output_bufs = *num_buffers; 910 911 mutex_lock(&inst->lock); 912 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 913 inst->codec_state = VENUS_DEC_STATE_STOPPED; 914 mutex_unlock(&inst->lock); 915 break; 916 default: 917 ret = -EINVAL; 918 break; 919 } 920 921 return ret; 922 923 put_power: 924 vdec_pm_put(inst, false); 925 return ret; 926 } 927 928 static int vdec_verify_conf(struct venus_inst *inst) 929 { 930 enum hfi_version ver = inst->core->res->hfi_version; 931 struct hfi_buffer_requirements bufreq; 932 int ret; 933 934 if (!inst->num_input_bufs || !inst->num_output_bufs) 935 return -EINVAL; 936 937 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 938 if (ret) 939 return ret; 940 941 if (inst->num_output_bufs < bufreq.count_actual || 942 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 943 return -EINVAL; 944 945 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 946 if (ret) 947 return ret; 948 949 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 950 return -EINVAL; 951 952 return 0; 953 } 954 955 static int vdec_start_capture(struct venus_inst *inst) 956 { 957 int ret; 958 959 if (!inst->streamon_out) 960 return 0; 961 962 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 963 if (inst->reconfig) 964 goto reconfigure; 965 966 venus_helper_queue_dpb_bufs(inst); 967 venus_helper_process_initial_cap_bufs(inst); 968 inst->streamon_cap = 1; 969 return 0; 970 } 971 972 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 973 return 0; 974 975 reconfigure: 976 ret = vdec_output_conf(inst); 977 if (ret) 978 return ret; 979 980 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 981 VB2_MAX_FRAME, VB2_MAX_FRAME); 982 if (ret) 983 return ret; 984 985 ret = venus_helper_intbufs_realloc(inst); 986 if (ret) 987 goto err; 988 989 venus_pm_load_scale(inst); 990 991 inst->next_buf_last = false; 992 993 ret = venus_helper_alloc_dpb_bufs(inst); 994 if (ret) 995 goto err; 996 997 ret = hfi_session_continue(inst); 998 if (ret) 999 goto free_dpb_bufs; 1000 1001 ret = venus_helper_queue_dpb_bufs(inst); 1002 if (ret) 1003 goto free_dpb_bufs; 1004 1005 ret = venus_helper_process_initial_cap_bufs(inst); 1006 if (ret) 1007 goto free_dpb_bufs; 1008 1009 inst->codec_state = VENUS_DEC_STATE_DECODING; 1010 1011 if (inst->drain_active) 1012 inst->codec_state = VENUS_DEC_STATE_DRAIN; 1013 1014 inst->streamon_cap = 1; 1015 inst->sequence_cap = 0; 1016 inst->reconfig = false; 1017 inst->drain_active = false; 1018 1019 return 0; 1020 1021 free_dpb_bufs: 1022 venus_helper_free_dpb_bufs(inst); 1023 err: 1024 return ret; 1025 } 1026 1027 static int vdec_start_output(struct venus_inst *inst) 1028 { 1029 int ret; 1030 1031 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1032 ret = venus_helper_process_initial_out_bufs(inst); 1033 if (inst->next_buf_last) 1034 inst->codec_state = VENUS_DEC_STATE_DRC; 1035 else 1036 inst->codec_state = VENUS_DEC_STATE_DECODING; 1037 goto done; 1038 } 1039 1040 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1041 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1042 ret = venus_helper_process_initial_out_bufs(inst); 1043 goto done; 1044 } 1045 1046 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1047 return -EINVAL; 1048 1049 venus_helper_init_instance(inst); 1050 inst->sequence_out = 0; 1051 inst->reconfig = false; 1052 inst->next_buf_last = false; 1053 1054 ret = vdec_set_properties(inst); 1055 if (ret) 1056 return ret; 1057 1058 ret = vdec_set_work_route(inst); 1059 if (ret) 1060 return ret; 1061 1062 ret = vdec_output_conf(inst); 1063 if (ret) 1064 return ret; 1065 1066 ret = vdec_verify_conf(inst); 1067 if (ret) 1068 return ret; 1069 1070 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1071 VB2_MAX_FRAME, VB2_MAX_FRAME); 1072 if (ret) 1073 return ret; 1074 1075 ret = venus_helper_vb2_start_streaming(inst); 1076 if (ret) 1077 return ret; 1078 1079 ret = venus_helper_process_initial_out_bufs(inst); 1080 if (ret) 1081 return ret; 1082 1083 inst->codec_state = VENUS_DEC_STATE_INIT; 1084 1085 done: 1086 inst->streamon_out = 1; 1087 return ret; 1088 } 1089 1090 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1091 { 1092 struct venus_inst *inst = vb2_get_drv_priv(q); 1093 int ret; 1094 1095 mutex_lock(&inst->lock); 1096 1097 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1098 ret = vdec_start_capture(inst); 1099 } else { 1100 ret = vdec_pm_get(inst); 1101 if (ret) 1102 goto error; 1103 1104 ret = venus_pm_acquire_core(inst); 1105 if (ret) 1106 goto put_power; 1107 1108 ret = vdec_pm_put(inst, true); 1109 if (ret) 1110 goto error; 1111 1112 ret = vdec_start_output(inst); 1113 } 1114 1115 if (ret) 1116 goto error; 1117 1118 mutex_unlock(&inst->lock); 1119 return 0; 1120 1121 put_power: 1122 vdec_pm_put(inst, false); 1123 error: 1124 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1125 mutex_unlock(&inst->lock); 1126 return ret; 1127 } 1128 1129 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1130 { 1131 struct vb2_v4l2_buffer *buf; 1132 1133 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1134 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1135 } 1136 1137 static int vdec_stop_capture(struct venus_inst *inst) 1138 { 1139 int ret = 0; 1140 1141 switch (inst->codec_state) { 1142 case VENUS_DEC_STATE_DECODING: 1143 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1144 fallthrough; 1145 case VENUS_DEC_STATE_DRAIN: 1146 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1147 inst->drain_active = false; 1148 fallthrough; 1149 case VENUS_DEC_STATE_SEEK: 1150 vdec_cancel_dst_buffers(inst); 1151 break; 1152 case VENUS_DEC_STATE_DRC: 1153 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1154 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1155 venus_helper_free_dpb_bufs(inst); 1156 break; 1157 default: 1158 break; 1159 } 1160 1161 return ret; 1162 } 1163 1164 static int vdec_stop_output(struct venus_inst *inst) 1165 { 1166 int ret = 0; 1167 1168 switch (inst->codec_state) { 1169 case VENUS_DEC_STATE_DECODING: 1170 case VENUS_DEC_STATE_DRAIN: 1171 case VENUS_DEC_STATE_STOPPED: 1172 case VENUS_DEC_STATE_DRC: 1173 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1174 inst->codec_state = VENUS_DEC_STATE_SEEK; 1175 break; 1176 case VENUS_DEC_STATE_INIT: 1177 case VENUS_DEC_STATE_CAPTURE_SETUP: 1178 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1179 break; 1180 default: 1181 break; 1182 } 1183 1184 return ret; 1185 } 1186 1187 static void vdec_stop_streaming(struct vb2_queue *q) 1188 { 1189 struct venus_inst *inst = vb2_get_drv_priv(q); 1190 int ret = -EINVAL; 1191 1192 mutex_lock(&inst->lock); 1193 1194 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1195 ret = vdec_stop_capture(inst); 1196 else 1197 ret = vdec_stop_output(inst); 1198 1199 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1200 1201 if (ret) 1202 goto unlock; 1203 1204 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1205 inst->streamon_out = 0; 1206 else 1207 inst->streamon_cap = 0; 1208 1209 unlock: 1210 mutex_unlock(&inst->lock); 1211 } 1212 1213 static void vdec_session_release(struct venus_inst *inst) 1214 { 1215 struct venus_core *core = inst->core; 1216 int ret, abort = 0; 1217 1218 vdec_pm_get(inst); 1219 1220 mutex_lock(&inst->lock); 1221 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1222 1223 ret = hfi_session_stop(inst); 1224 abort = (ret && ret != -EINVAL) ? 1 : 0; 1225 ret = hfi_session_unload_res(inst); 1226 abort = (ret && ret != -EINVAL) ? 1 : 0; 1227 ret = venus_helper_unregister_bufs(inst); 1228 abort = (ret && ret != -EINVAL) ? 1 : 0; 1229 ret = venus_helper_intbufs_free(inst); 1230 abort = (ret && ret != -EINVAL) ? 1 : 0; 1231 ret = hfi_session_deinit(inst); 1232 abort = (ret && ret != -EINVAL) ? 1 : 0; 1233 1234 if (inst->session_error || core->sys_error) 1235 abort = 1; 1236 1237 if (abort) 1238 hfi_session_abort(inst); 1239 1240 venus_helper_free_dpb_bufs(inst); 1241 venus_pm_load_scale(inst); 1242 INIT_LIST_HEAD(&inst->registeredbufs); 1243 mutex_unlock(&inst->lock); 1244 1245 venus_pm_release_core(inst); 1246 vdec_pm_put(inst, false); 1247 } 1248 1249 static int vdec_buf_init(struct vb2_buffer *vb) 1250 { 1251 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1252 1253 inst->buf_count++; 1254 1255 return venus_helper_vb2_buf_init(vb); 1256 } 1257 1258 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1259 { 1260 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1261 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1262 struct venus_buffer *buf = to_venus_buffer(vbuf); 1263 1264 mutex_lock(&inst->lock); 1265 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1266 if (!list_empty(&inst->registeredbufs)) 1267 list_del_init(&buf->reg_list); 1268 mutex_unlock(&inst->lock); 1269 1270 inst->buf_count--; 1271 if (!inst->buf_count) 1272 vdec_session_release(inst); 1273 } 1274 1275 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1276 { 1277 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1278 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1279 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1280 1281 vdec_pm_get_put(inst); 1282 1283 mutex_lock(&inst->lock); 1284 1285 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1286 inst->codec_state == VENUS_DEC_STATE_DRC) { 1287 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1288 vbuf->sequence = inst->sequence_cap++; 1289 vbuf->field = V4L2_FIELD_NONE; 1290 vb2_set_plane_payload(vb, 0, 0); 1291 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1292 v4l2_event_queue_fh(&inst->fh, &eos); 1293 inst->next_buf_last = false; 1294 mutex_unlock(&inst->lock); 1295 return; 1296 } 1297 1298 venus_helper_vb2_buf_queue(vb); 1299 mutex_unlock(&inst->lock); 1300 } 1301 1302 static const struct vb2_ops vdec_vb2_ops = { 1303 .queue_setup = vdec_queue_setup, 1304 .buf_init = vdec_buf_init, 1305 .buf_cleanup = vdec_buf_cleanup, 1306 .buf_prepare = venus_helper_vb2_buf_prepare, 1307 .start_streaming = vdec_start_streaming, 1308 .stop_streaming = vdec_stop_streaming, 1309 .buf_queue = vdec_vb2_buf_queue, 1310 }; 1311 1312 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1313 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1314 u32 hfi_flags, u64 timestamp_us) 1315 { 1316 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1317 struct vb2_v4l2_buffer *vbuf; 1318 struct vb2_buffer *vb; 1319 unsigned int type; 1320 1321 vdec_pm_touch(inst); 1322 1323 if (buf_type == HFI_BUFFER_INPUT) 1324 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1325 else 1326 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1327 1328 vbuf = venus_helper_find_buf(inst, type, tag); 1329 if (!vbuf) 1330 return; 1331 1332 vbuf->flags = flags; 1333 vbuf->field = V4L2_FIELD_NONE; 1334 vb = &vbuf->vb2_buf; 1335 1336 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1337 vb2_set_plane_payload(vb, 0, bytesused); 1338 vb->planes[0].data_offset = data_offset; 1339 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1340 vbuf->sequence = inst->sequence_cap++; 1341 1342 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1343 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1344 1345 v4l2_event_queue_fh(&inst->fh, &ev); 1346 1347 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1348 inst->drain_active = false; 1349 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1350 } 1351 } 1352 1353 if (!bytesused) 1354 state = VB2_BUF_STATE_ERROR; 1355 } else { 1356 vbuf->sequence = inst->sequence_out++; 1357 } 1358 1359 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1360 1361 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1362 venus_helper_acquire_buf_ref(vbuf); 1363 1364 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1365 state = VB2_BUF_STATE_ERROR; 1366 1367 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1368 state = VB2_BUF_STATE_ERROR; 1369 vb2_set_plane_payload(vb, 0, 0); 1370 vb->timestamp = 0; 1371 } 1372 1373 v4l2_m2m_buf_done(vbuf, state); 1374 } 1375 1376 static void vdec_event_change(struct venus_inst *inst, 1377 struct hfi_event_data *ev_data, bool sufficient) 1378 { 1379 static const struct v4l2_event ev = { 1380 .type = V4L2_EVENT_SOURCE_CHANGE, 1381 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1382 struct device *dev = inst->core->dev_dec; 1383 struct v4l2_format format = {}; 1384 1385 mutex_lock(&inst->lock); 1386 1387 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1388 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1389 format.fmt.pix_mp.width = ev_data->width; 1390 format.fmt.pix_mp.height = ev_data->height; 1391 1392 vdec_try_fmt_common(inst, &format); 1393 1394 inst->width = format.fmt.pix_mp.width; 1395 inst->height = format.fmt.pix_mp.height; 1396 /* 1397 * Some versions of the firmware do not report crop information for 1398 * all codecs. For these cases, set the crop to the coded resolution. 1399 */ 1400 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1401 inst->crop.left = ev_data->input_crop.left; 1402 inst->crop.top = ev_data->input_crop.top; 1403 inst->crop.width = ev_data->input_crop.width; 1404 inst->crop.height = ev_data->input_crop.height; 1405 } else { 1406 inst->crop.left = 0; 1407 inst->crop.top = 0; 1408 inst->crop.width = ev_data->width; 1409 inst->crop.height = ev_data->height; 1410 } 1411 1412 inst->fw_min_cnt = ev_data->buf_count; 1413 /* overwriting this to 11 for vp9 due to fw bug */ 1414 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) 1415 inst->fw_min_cnt = 11; 1416 1417 inst->out_width = ev_data->width; 1418 inst->out_height = ev_data->height; 1419 1420 if (inst->bit_depth != ev_data->bit_depth) 1421 inst->bit_depth = ev_data->bit_depth; 1422 1423 if (inst->pic_struct != ev_data->pic_struct) 1424 inst->pic_struct = ev_data->pic_struct; 1425 1426 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1427 sufficient ? "" : "not", ev_data->width, ev_data->height); 1428 1429 switch (inst->codec_state) { 1430 case VENUS_DEC_STATE_INIT: 1431 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1432 break; 1433 case VENUS_DEC_STATE_DECODING: 1434 case VENUS_DEC_STATE_DRAIN: 1435 inst->codec_state = VENUS_DEC_STATE_DRC; 1436 break; 1437 default: 1438 break; 1439 } 1440 1441 /* 1442 * The assumption is that the firmware have to return the last buffer 1443 * before this event is received in the v4l2 driver. Also the firmware 1444 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1445 */ 1446 1447 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1448 int ret; 1449 1450 inst->next_buf_last = true; 1451 1452 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1453 if (ret) 1454 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1455 } 1456 1457 inst->next_buf_last = true; 1458 inst->reconfig = true; 1459 v4l2_event_queue_fh(&inst->fh, &ev); 1460 wake_up(&inst->reconf_wait); 1461 1462 mutex_unlock(&inst->lock); 1463 } 1464 1465 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1466 struct hfi_event_data *data) 1467 { 1468 struct venus_core *core = inst->core; 1469 struct device *dev = core->dev_dec; 1470 1471 vdec_pm_touch(inst); 1472 1473 switch (event) { 1474 case EVT_SESSION_ERROR: 1475 inst->session_error = true; 1476 dev_err(dev, "dec: event session error %x\n", inst->error); 1477 break; 1478 case EVT_SYS_EVENT_CHANGE: 1479 switch (data->event_type) { 1480 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1481 vdec_event_change(inst, data, true); 1482 break; 1483 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1484 vdec_event_change(inst, data, false); 1485 break; 1486 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1487 venus_helper_release_buf_ref(inst, data->tag); 1488 break; 1489 default: 1490 break; 1491 } 1492 break; 1493 default: 1494 break; 1495 } 1496 } 1497 1498 static void vdec_flush_done(struct venus_inst *inst) 1499 { 1500 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1501 } 1502 1503 static const struct hfi_inst_ops vdec_hfi_ops = { 1504 .buf_done = vdec_buf_done, 1505 .event_notify = vdec_event_notify, 1506 .flush_done = vdec_flush_done, 1507 }; 1508 1509 static void vdec_inst_init(struct venus_inst *inst) 1510 { 1511 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1512 inst->fmt_out = &vdec_formats[6]; 1513 inst->fmt_cap = &vdec_formats[0]; 1514 inst->width = frame_width_min(inst); 1515 inst->height = ALIGN(frame_height_min(inst), 32); 1516 inst->crop.left = 0; 1517 inst->crop.top = 0; 1518 inst->crop.width = inst->width; 1519 inst->crop.height = inst->height; 1520 inst->fw_min_cnt = 8; 1521 inst->out_width = frame_width_min(inst); 1522 inst->out_height = frame_height_min(inst); 1523 inst->fps = 30; 1524 inst->timeperframe.numerator = 1; 1525 inst->timeperframe.denominator = 30; 1526 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1527 } 1528 1529 static void vdec_m2m_device_run(void *priv) 1530 { 1531 } 1532 1533 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1534 .device_run = vdec_m2m_device_run, 1535 .job_abort = venus_helper_m2m_job_abort, 1536 }; 1537 1538 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1539 struct vb2_queue *dst_vq) 1540 { 1541 struct venus_inst *inst = priv; 1542 int ret; 1543 1544 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1545 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1546 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1547 src_vq->ops = &vdec_vb2_ops; 1548 src_vq->mem_ops = &vb2_dma_contig_memops; 1549 src_vq->drv_priv = inst; 1550 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1551 src_vq->allow_zero_bytesused = 1; 1552 src_vq->min_buffers_needed = 0; 1553 src_vq->dev = inst->core->dev; 1554 ret = vb2_queue_init(src_vq); 1555 if (ret) 1556 return ret; 1557 1558 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1559 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1560 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1561 dst_vq->ops = &vdec_vb2_ops; 1562 dst_vq->mem_ops = &vb2_dma_contig_memops; 1563 dst_vq->drv_priv = inst; 1564 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1565 dst_vq->allow_zero_bytesused = 1; 1566 dst_vq->min_buffers_needed = 0; 1567 dst_vq->dev = inst->core->dev; 1568 return vb2_queue_init(dst_vq); 1569 } 1570 1571 static int vdec_open(struct file *file) 1572 { 1573 struct venus_core *core = video_drvdata(file); 1574 struct venus_inst *inst; 1575 int ret; 1576 1577 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1578 if (!inst) 1579 return -ENOMEM; 1580 1581 INIT_LIST_HEAD(&inst->dpbbufs); 1582 INIT_LIST_HEAD(&inst->registeredbufs); 1583 INIT_LIST_HEAD(&inst->internalbufs); 1584 INIT_LIST_HEAD(&inst->list); 1585 mutex_init(&inst->lock); 1586 1587 inst->core = core; 1588 inst->session_type = VIDC_SESSION_TYPE_DEC; 1589 inst->num_output_bufs = 1; 1590 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1591 inst->buf_count = 0; 1592 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1593 inst->core_acquired = false; 1594 inst->bit_depth = VIDC_BITDEPTH_8; 1595 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1596 init_waitqueue_head(&inst->reconf_wait); 1597 venus_helper_init_instance(inst); 1598 1599 ret = vdec_ctrl_init(inst); 1600 if (ret) 1601 goto err_free; 1602 1603 ret = hfi_session_create(inst, &vdec_hfi_ops); 1604 if (ret) 1605 goto err_ctrl_deinit; 1606 1607 vdec_inst_init(inst); 1608 1609 /* 1610 * create m2m device for every instance, the m2m context scheduling 1611 * is made by firmware side so we do not need to care about. 1612 */ 1613 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1614 if (IS_ERR(inst->m2m_dev)) { 1615 ret = PTR_ERR(inst->m2m_dev); 1616 goto err_session_destroy; 1617 } 1618 1619 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1620 if (IS_ERR(inst->m2m_ctx)) { 1621 ret = PTR_ERR(inst->m2m_ctx); 1622 goto err_m2m_release; 1623 } 1624 1625 v4l2_fh_init(&inst->fh, core->vdev_dec); 1626 1627 inst->fh.ctrl_handler = &inst->ctrl_handler; 1628 v4l2_fh_add(&inst->fh); 1629 inst->fh.m2m_ctx = inst->m2m_ctx; 1630 file->private_data = &inst->fh; 1631 1632 return 0; 1633 1634 err_m2m_release: 1635 v4l2_m2m_release(inst->m2m_dev); 1636 err_session_destroy: 1637 hfi_session_destroy(inst); 1638 err_ctrl_deinit: 1639 vdec_ctrl_deinit(inst); 1640 err_free: 1641 kfree(inst); 1642 return ret; 1643 } 1644 1645 static int vdec_close(struct file *file) 1646 { 1647 struct venus_inst *inst = to_inst(file); 1648 1649 vdec_pm_get(inst); 1650 1651 v4l2_m2m_ctx_release(inst->m2m_ctx); 1652 v4l2_m2m_release(inst->m2m_dev); 1653 vdec_ctrl_deinit(inst); 1654 hfi_session_destroy(inst); 1655 mutex_destroy(&inst->lock); 1656 v4l2_fh_del(&inst->fh); 1657 v4l2_fh_exit(&inst->fh); 1658 1659 vdec_pm_put(inst, false); 1660 1661 kfree(inst); 1662 return 0; 1663 } 1664 1665 static const struct v4l2_file_operations vdec_fops = { 1666 .owner = THIS_MODULE, 1667 .open = vdec_open, 1668 .release = vdec_close, 1669 .unlocked_ioctl = video_ioctl2, 1670 .poll = v4l2_m2m_fop_poll, 1671 .mmap = v4l2_m2m_fop_mmap, 1672 }; 1673 1674 static int vdec_probe(struct platform_device *pdev) 1675 { 1676 struct device *dev = &pdev->dev; 1677 struct video_device *vdev; 1678 struct venus_core *core; 1679 int ret; 1680 1681 if (!dev->parent) 1682 return -EPROBE_DEFER; 1683 1684 core = dev_get_drvdata(dev->parent); 1685 if (!core) 1686 return -EPROBE_DEFER; 1687 1688 platform_set_drvdata(pdev, core); 1689 1690 if (core->pm_ops->vdec_get) { 1691 ret = core->pm_ops->vdec_get(dev); 1692 if (ret) 1693 return ret; 1694 } 1695 1696 vdev = video_device_alloc(); 1697 if (!vdev) 1698 return -ENOMEM; 1699 1700 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1701 vdev->release = video_device_release; 1702 vdev->fops = &vdec_fops; 1703 vdev->ioctl_ops = &vdec_ioctl_ops; 1704 vdev->vfl_dir = VFL_DIR_M2M; 1705 vdev->v4l2_dev = &core->v4l2_dev; 1706 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1707 1708 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1709 if (ret) 1710 goto err_vdev_release; 1711 1712 core->vdev_dec = vdev; 1713 core->dev_dec = dev; 1714 1715 video_set_drvdata(vdev, core); 1716 pm_runtime_set_autosuspend_delay(dev, 2000); 1717 pm_runtime_use_autosuspend(dev); 1718 pm_runtime_enable(dev); 1719 1720 return 0; 1721 1722 err_vdev_release: 1723 video_device_release(vdev); 1724 return ret; 1725 } 1726 1727 static int vdec_remove(struct platform_device *pdev) 1728 { 1729 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1730 1731 video_unregister_device(core->vdev_dec); 1732 pm_runtime_disable(core->dev_dec); 1733 1734 if (core->pm_ops->vdec_put) 1735 core->pm_ops->vdec_put(core->dev_dec); 1736 1737 return 0; 1738 } 1739 1740 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1741 { 1742 struct venus_core *core = dev_get_drvdata(dev); 1743 const struct venus_pm_ops *pm_ops = core->pm_ops; 1744 int ret = 0; 1745 1746 if (pm_ops->vdec_power) 1747 ret = pm_ops->vdec_power(dev, POWER_OFF); 1748 1749 return ret; 1750 } 1751 1752 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1753 { 1754 struct venus_core *core = dev_get_drvdata(dev); 1755 const struct venus_pm_ops *pm_ops = core->pm_ops; 1756 int ret = 0; 1757 1758 if (pm_ops->vdec_power) 1759 ret = pm_ops->vdec_power(dev, POWER_ON); 1760 1761 return ret; 1762 } 1763 1764 static const struct dev_pm_ops vdec_pm_ops = { 1765 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1766 pm_runtime_force_resume) 1767 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1768 }; 1769 1770 static const struct of_device_id vdec_dt_match[] = { 1771 { .compatible = "venus-decoder" }, 1772 { } 1773 }; 1774 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1775 1776 static struct platform_driver qcom_venus_dec_driver = { 1777 .probe = vdec_probe, 1778 .remove = vdec_remove, 1779 .driver = { 1780 .name = "qcom-venus-decoder", 1781 .of_match_table = vdec_dt_match, 1782 .pm = &vdec_pm_ops, 1783 }, 1784 }; 1785 module_platform_driver(qcom_venus_dec_driver); 1786 1787 MODULE_ALIAS("platform:qcom-venus-decoder"); 1788 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1789 MODULE_LICENSE("GPL v2"); 1790