1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2017 Linaro Ltd. 5 */ 6 #include <linux/clk.h> 7 #include <linux/module.h> 8 #include <linux/mod_devicetable.h> 9 #include <linux/platform_device.h> 10 #include <linux/pm_runtime.h> 11 #include <linux/slab.h> 12 #include <media/v4l2-ioctl.h> 13 #include <media/v4l2-event.h> 14 #include <media/v4l2-ctrls.h> 15 #include <media/v4l2-mem2mem.h> 16 #include <media/videobuf2-dma-contig.h> 17 18 #include "hfi_venus_io.h" 19 #include "hfi_parser.h" 20 #include "core.h" 21 #include "helpers.h" 22 #include "vdec.h" 23 #include "pm_helpers.h" 24 25 /* 26 * Three resons to keep MPLANE formats (despite that the number of planes 27 * currently is one): 28 * - the MPLANE formats allow only one plane to be used 29 * - the downstream driver use MPLANE formats too 30 * - future firmware versions could add support for >1 planes 31 */ 32 static const struct venus_format vdec_formats[] = { 33 { 34 .pixfmt = V4L2_PIX_FMT_NV12, 35 .num_planes = 1, 36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 37 }, { 38 .pixfmt = V4L2_PIX_FMT_MPEG4, 39 .num_planes = 1, 40 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 41 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 42 }, { 43 .pixfmt = V4L2_PIX_FMT_MPEG2, 44 .num_planes = 1, 45 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 46 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 47 }, { 48 .pixfmt = V4L2_PIX_FMT_H263, 49 .num_planes = 1, 50 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 51 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 52 }, { 53 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, 54 .num_planes = 1, 55 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 56 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 57 }, { 58 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, 59 .num_planes = 1, 60 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 61 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 62 }, { 63 .pixfmt = V4L2_PIX_FMT_H264, 64 .num_planes = 1, 65 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 66 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 67 }, { 68 .pixfmt = V4L2_PIX_FMT_VP8, 69 .num_planes = 1, 70 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 71 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 72 }, { 73 .pixfmt = V4L2_PIX_FMT_VP9, 74 .num_planes = 1, 75 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 76 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 77 }, { 78 .pixfmt = V4L2_PIX_FMT_XVID, 79 .num_planes = 1, 80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 82 }, { 83 .pixfmt = V4L2_PIX_FMT_HEVC, 84 .num_planes = 1, 85 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 86 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 87 }, 88 }; 89 90 static const struct venus_format * 91 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 92 { 93 const struct venus_format *fmt = vdec_formats; 94 unsigned int size = ARRAY_SIZE(vdec_formats); 95 unsigned int i; 96 97 for (i = 0; i < size; i++) { 98 if (fmt[i].pixfmt == pixfmt) 99 break; 100 } 101 102 if (i == size || fmt[i].type != type) 103 return NULL; 104 105 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 106 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 107 return NULL; 108 109 return &fmt[i]; 110 } 111 112 static const struct venus_format * 113 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 114 { 115 const struct venus_format *fmt = vdec_formats; 116 unsigned int size = ARRAY_SIZE(vdec_formats); 117 unsigned int i, k = 0; 118 119 if (index > size) 120 return NULL; 121 122 for (i = 0; i < size; i++) { 123 bool valid; 124 125 if (fmt[i].type != type) 126 continue; 127 valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 128 venus_helper_check_codec(inst, fmt[i].pixfmt); 129 if (k == index && valid) 130 break; 131 if (valid) 132 k++; 133 } 134 135 if (i == size) 136 return NULL; 137 138 return &fmt[i]; 139 } 140 141 static const struct venus_format * 142 vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 143 { 144 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 145 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 146 const struct venus_format *fmt; 147 u32 szimage; 148 149 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 150 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 151 152 fmt = find_format(inst, pixmp->pixelformat, f->type); 153 if (!fmt) { 154 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 155 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 156 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 157 pixmp->pixelformat = V4L2_PIX_FMT_H264; 158 else 159 return NULL; 160 fmt = find_format(inst, pixmp->pixelformat, f->type); 161 } 162 163 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 164 frame_width_max(inst)); 165 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 166 frame_height_max(inst)); 167 168 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 169 pixmp->height = ALIGN(pixmp->height, 32); 170 171 if (pixmp->field == V4L2_FIELD_ANY) 172 pixmp->field = V4L2_FIELD_NONE; 173 pixmp->num_planes = fmt->num_planes; 174 pixmp->flags = 0; 175 176 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, 177 pixmp->height); 178 179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 180 pfmt[0].sizeimage = szimage; 181 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 182 } else { 183 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); 184 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); 185 pfmt[0].bytesperline = 0; 186 } 187 188 return fmt; 189 } 190 191 static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 192 { 193 struct venus_inst *inst = to_inst(file); 194 195 vdec_try_fmt_common(inst, f); 196 197 return 0; 198 } 199 200 static int vdec_check_src_change(struct venus_inst *inst) 201 { 202 int ret; 203 204 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && 205 inst->codec_state == VENUS_DEC_STATE_INIT && 206 !inst->reconfig) 207 return -EINVAL; 208 209 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) 210 return 0; 211 212 /* 213 * The code snippet below is a workaround for backward compatibility 214 * with applications which doesn't support V4L2 events. It will be 215 * dropped in future once those applications are fixed. 216 */ 217 218 if (inst->codec_state != VENUS_DEC_STATE_INIT) 219 goto done; 220 221 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, 222 msecs_to_jiffies(100)); 223 if (!ret) 224 return -EINVAL; 225 226 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || 227 !inst->reconfig) 228 dev_dbg(inst->core->dev, VDBGH "wrong state\n"); 229 230 done: 231 return 0; 232 } 233 234 static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 235 { 236 struct venus_inst *inst = to_inst(file); 237 const struct venus_format *fmt = NULL; 238 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 239 int ret; 240 241 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 242 fmt = inst->fmt_cap; 243 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 244 fmt = inst->fmt_out; 245 246 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 247 ret = vdec_check_src_change(inst); 248 if (ret) 249 return ret; 250 } 251 252 pixmp->pixelformat = fmt->pixfmt; 253 254 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 255 pixmp->width = inst->width; 256 pixmp->height = inst->height; 257 pixmp->colorspace = inst->colorspace; 258 pixmp->ycbcr_enc = inst->ycbcr_enc; 259 pixmp->quantization = inst->quantization; 260 pixmp->xfer_func = inst->xfer_func; 261 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 262 pixmp->width = inst->out_width; 263 pixmp->height = inst->out_height; 264 } 265 266 vdec_try_fmt_common(inst, f); 267 268 return 0; 269 } 270 271 static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 272 { 273 struct venus_inst *inst = to_inst(file); 274 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 275 struct v4l2_pix_format_mplane orig_pixmp; 276 const struct venus_format *fmt; 277 struct v4l2_format format; 278 u32 pixfmt_out = 0, pixfmt_cap = 0; 279 struct vb2_queue *q; 280 281 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 282 if (!q) 283 return -EINVAL; 284 285 if (vb2_is_busy(q)) 286 return -EBUSY; 287 288 orig_pixmp = *pixmp; 289 290 fmt = vdec_try_fmt_common(inst, f); 291 292 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 293 pixfmt_out = pixmp->pixelformat; 294 pixfmt_cap = inst->fmt_cap->pixfmt; 295 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 296 pixfmt_cap = pixmp->pixelformat; 297 pixfmt_out = inst->fmt_out->pixfmt; 298 } 299 300 memset(&format, 0, sizeof(format)); 301 302 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 303 format.fmt.pix_mp.pixelformat = pixfmt_out; 304 format.fmt.pix_mp.width = orig_pixmp.width; 305 format.fmt.pix_mp.height = orig_pixmp.height; 306 vdec_try_fmt_common(inst, &format); 307 308 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 309 inst->out_width = format.fmt.pix_mp.width; 310 inst->out_height = format.fmt.pix_mp.height; 311 inst->colorspace = pixmp->colorspace; 312 inst->ycbcr_enc = pixmp->ycbcr_enc; 313 inst->quantization = pixmp->quantization; 314 inst->xfer_func = pixmp->xfer_func; 315 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 316 } 317 318 memset(&format, 0, sizeof(format)); 319 320 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 321 format.fmt.pix_mp.pixelformat = pixfmt_cap; 322 format.fmt.pix_mp.width = orig_pixmp.width; 323 format.fmt.pix_mp.height = orig_pixmp.height; 324 vdec_try_fmt_common(inst, &format); 325 326 inst->width = format.fmt.pix_mp.width; 327 inst->height = format.fmt.pix_mp.height; 328 inst->crop.top = 0; 329 inst->crop.left = 0; 330 inst->crop.width = inst->width; 331 inst->crop.height = inst->height; 332 333 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 334 inst->fmt_out = fmt; 335 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 336 inst->fmt_cap = fmt; 337 338 return 0; 339 } 340 341 static int 342 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 343 { 344 struct venus_inst *inst = to_inst(file); 345 346 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 347 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 348 return -EINVAL; 349 350 s->r.top = 0; 351 s->r.left = 0; 352 353 switch (s->target) { 354 case V4L2_SEL_TGT_CROP_BOUNDS: 355 case V4L2_SEL_TGT_CROP_DEFAULT: 356 case V4L2_SEL_TGT_CROP: 357 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 358 return -EINVAL; 359 s->r.width = inst->out_width; 360 s->r.height = inst->out_height; 361 break; 362 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 363 case V4L2_SEL_TGT_COMPOSE_PADDED: 364 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 365 return -EINVAL; 366 s->r.width = inst->width; 367 s->r.height = inst->height; 368 break; 369 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 370 case V4L2_SEL_TGT_COMPOSE: 371 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 372 return -EINVAL; 373 s->r = inst->crop; 374 break; 375 default: 376 return -EINVAL; 377 } 378 379 return 0; 380 } 381 382 static int 383 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 384 { 385 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 386 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 387 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 388 389 return 0; 390 } 391 392 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 393 { 394 struct venus_inst *inst = to_inst(file); 395 const struct venus_format *fmt; 396 397 memset(f->reserved, 0, sizeof(f->reserved)); 398 399 fmt = find_format_by_index(inst, f->index, f->type); 400 if (!fmt) 401 return -EINVAL; 402 403 f->pixelformat = fmt->pixfmt; 404 f->flags = fmt->flags; 405 406 return 0; 407 } 408 409 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 410 { 411 struct venus_inst *inst = to_inst(file); 412 struct v4l2_captureparm *cap = &a->parm.capture; 413 struct v4l2_fract *timeperframe = &cap->timeperframe; 414 u64 us_per_frame, fps; 415 416 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 417 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 418 return -EINVAL; 419 420 memset(cap->reserved, 0, sizeof(cap->reserved)); 421 if (!timeperframe->denominator) 422 timeperframe->denominator = inst->timeperframe.denominator; 423 if (!timeperframe->numerator) 424 timeperframe->numerator = inst->timeperframe.numerator; 425 cap->readbuffers = 0; 426 cap->extendedmode = 0; 427 cap->capability = V4L2_CAP_TIMEPERFRAME; 428 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 429 do_div(us_per_frame, timeperframe->denominator); 430 431 if (!us_per_frame) 432 return -EINVAL; 433 434 fps = (u64)USEC_PER_SEC; 435 do_div(fps, us_per_frame); 436 437 inst->fps = fps; 438 inst->timeperframe = *timeperframe; 439 440 return 0; 441 } 442 443 static int vdec_enum_framesizes(struct file *file, void *fh, 444 struct v4l2_frmsizeenum *fsize) 445 { 446 struct venus_inst *inst = to_inst(file); 447 const struct venus_format *fmt; 448 449 fmt = find_format(inst, fsize->pixel_format, 450 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 451 if (!fmt) { 452 fmt = find_format(inst, fsize->pixel_format, 453 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 454 if (!fmt) 455 return -EINVAL; 456 } 457 458 if (fsize->index) 459 return -EINVAL; 460 461 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 462 463 fsize->stepwise.min_width = frame_width_min(inst); 464 fsize->stepwise.max_width = frame_width_max(inst); 465 fsize->stepwise.step_width = frame_width_step(inst); 466 fsize->stepwise.min_height = frame_height_min(inst); 467 fsize->stepwise.max_height = frame_height_max(inst); 468 fsize->stepwise.step_height = frame_height_step(inst); 469 470 return 0; 471 } 472 473 static int vdec_subscribe_event(struct v4l2_fh *fh, 474 const struct v4l2_event_subscription *sub) 475 { 476 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 477 int ret; 478 479 switch (sub->type) { 480 case V4L2_EVENT_EOS: 481 return v4l2_event_subscribe(fh, sub, 2, NULL); 482 case V4L2_EVENT_SOURCE_CHANGE: 483 ret = v4l2_src_change_event_subscribe(fh, sub); 484 if (ret) 485 return ret; 486 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 487 return 0; 488 case V4L2_EVENT_CTRL: 489 return v4l2_ctrl_subscribe_event(fh, sub); 490 default: 491 return -EINVAL; 492 } 493 } 494 495 static int 496 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 497 { 498 struct venus_inst *inst = to_inst(file); 499 struct hfi_frame_data fdata = {0}; 500 int ret; 501 502 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 503 if (ret) 504 return ret; 505 506 mutex_lock(&inst->lock); 507 508 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 509 /* 510 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 511 * decoder input to signal EOS. 512 */ 513 if (!(inst->streamon_out && inst->streamon_cap)) 514 goto unlock; 515 516 fdata.buffer_type = HFI_BUFFER_INPUT; 517 fdata.flags |= HFI_BUFFERFLAG_EOS; 518 fdata.device_addr = 0xdeadb000; 519 520 ret = hfi_session_process_buf(inst, &fdata); 521 522 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 523 inst->codec_state = VENUS_DEC_STATE_DRAIN; 524 inst->drain_active = true; 525 } 526 } 527 528 unlock: 529 mutex_unlock(&inst->lock); 530 return ret; 531 } 532 533 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 534 .vidioc_querycap = vdec_querycap, 535 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 536 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 537 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 538 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 539 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 540 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 541 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 542 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 543 .vidioc_g_selection = vdec_g_selection, 544 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 545 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 546 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 547 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 548 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 549 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 550 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 551 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 552 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 553 .vidioc_s_parm = vdec_s_parm, 554 .vidioc_enum_framesizes = vdec_enum_framesizes, 555 .vidioc_subscribe_event = vdec_subscribe_event, 556 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 557 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 558 .vidioc_decoder_cmd = vdec_decoder_cmd, 559 }; 560 561 static int vdec_pm_get(struct venus_inst *inst) 562 { 563 struct venus_core *core = inst->core; 564 struct device *dev = core->dev_dec; 565 int ret; 566 567 mutex_lock(&core->pm_lock); 568 ret = pm_runtime_get_sync(dev); 569 mutex_unlock(&core->pm_lock); 570 571 return ret < 0 ? ret : 0; 572 } 573 574 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 575 { 576 struct venus_core *core = inst->core; 577 struct device *dev = core->dev_dec; 578 int ret; 579 580 mutex_lock(&core->pm_lock); 581 582 if (autosuspend) 583 ret = pm_runtime_put_autosuspend(dev); 584 else 585 ret = pm_runtime_put_sync(dev); 586 587 mutex_unlock(&core->pm_lock); 588 589 return ret < 0 ? ret : 0; 590 } 591 592 static int vdec_pm_get_put(struct venus_inst *inst) 593 { 594 struct venus_core *core = inst->core; 595 struct device *dev = core->dev_dec; 596 int ret = 0; 597 598 mutex_lock(&core->pm_lock); 599 600 if (pm_runtime_suspended(dev)) { 601 ret = pm_runtime_get_sync(dev); 602 if (ret < 0) 603 goto error; 604 605 ret = pm_runtime_put_autosuspend(dev); 606 } 607 608 error: 609 mutex_unlock(&core->pm_lock); 610 611 return ret < 0 ? ret : 0; 612 } 613 614 static void vdec_pm_touch(struct venus_inst *inst) 615 { 616 pm_runtime_mark_last_busy(inst->core->dev_dec); 617 } 618 619 static int vdec_set_properties(struct venus_inst *inst) 620 { 621 struct vdec_controls *ctr = &inst->controls.dec; 622 struct hfi_enable en = { .enable = 1 }; 623 u32 ptype; 624 int ret; 625 626 if (ctr->post_loop_deb_mode) { 627 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 628 ret = hfi_session_set_property(inst, ptype, &en); 629 if (ret) 630 return ret; 631 } 632 633 return 0; 634 } 635 636 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 637 638 static int vdec_output_conf(struct venus_inst *inst) 639 { 640 struct venus_core *core = inst->core; 641 struct hfi_enable en = { .enable = 1 }; 642 struct hfi_buffer_requirements bufreq; 643 u32 width = inst->out_width; 644 u32 height = inst->out_height; 645 u32 out_fmt, out2_fmt; 646 bool ubwc = false; 647 u32 ptype; 648 int ret; 649 650 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 651 if (ret) 652 return ret; 653 654 if (core->res->hfi_version == HFI_VERSION_1XX) { 655 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 656 ret = hfi_session_set_property(inst, ptype, &en); 657 if (ret) 658 return ret; 659 } 660 661 /* Force searching UBWC formats for bigger then HD resolutions */ 662 if (width > 1920 && height > ALIGN(1080, 32)) 663 ubwc = true; 664 665 /* For Venus v4 UBWC format is mandatory */ 666 if (IS_V4(core)) 667 ubwc = true; 668 669 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 670 &out2_fmt, ubwc); 671 if (ret) 672 return ret; 673 674 inst->output_buf_size = 675 venus_helper_get_framesz_raw(out_fmt, width, height); 676 inst->output2_buf_size = 677 venus_helper_get_framesz_raw(out2_fmt, width, height); 678 679 if (is_ubwc_fmt(out_fmt)) { 680 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 681 inst->opb_fmt = out2_fmt; 682 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 683 inst->dpb_fmt = out_fmt; 684 } else if (is_ubwc_fmt(out2_fmt)) { 685 inst->opb_buftype = HFI_BUFFER_OUTPUT; 686 inst->opb_fmt = out_fmt; 687 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 688 inst->dpb_fmt = out2_fmt; 689 } else { 690 inst->opb_buftype = HFI_BUFFER_OUTPUT; 691 inst->opb_fmt = out_fmt; 692 inst->dpb_buftype = 0; 693 inst->dpb_fmt = 0; 694 } 695 696 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 697 inst->opb_buftype); 698 if (ret) 699 return ret; 700 701 if (inst->dpb_fmt) { 702 ret = venus_helper_set_multistream(inst, false, true); 703 if (ret) 704 return ret; 705 706 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 707 inst->dpb_buftype); 708 if (ret) 709 return ret; 710 711 ret = venus_helper_set_output_resolution(inst, width, height, 712 HFI_BUFFER_OUTPUT2); 713 if (ret) 714 return ret; 715 } 716 717 if (IS_V3(core) || IS_V4(core)) { 718 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 719 if (ret) 720 return ret; 721 722 if (bufreq.size > inst->output_buf_size) 723 return -EINVAL; 724 725 if (inst->dpb_fmt) { 726 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 727 &bufreq); 728 if (ret) 729 return ret; 730 731 if (bufreq.size > inst->output2_buf_size) 732 return -EINVAL; 733 } 734 735 if (inst->output2_buf_size) { 736 ret = venus_helper_set_bufsize(inst, 737 inst->output2_buf_size, 738 HFI_BUFFER_OUTPUT2); 739 if (ret) 740 return ret; 741 } 742 743 if (inst->output_buf_size) { 744 ret = venus_helper_set_bufsize(inst, 745 inst->output_buf_size, 746 HFI_BUFFER_OUTPUT); 747 if (ret) 748 return ret; 749 } 750 } 751 752 ret = venus_helper_set_dyn_bufmode(inst); 753 if (ret) 754 return ret; 755 756 return 0; 757 } 758 759 static int vdec_session_init(struct venus_inst *inst) 760 { 761 int ret; 762 763 ret = venus_helper_session_init(inst); 764 if (ret == -EALREADY) 765 return 0; 766 else if (ret) 767 return ret; 768 769 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 770 frame_height_min(inst)); 771 if (ret) 772 goto deinit; 773 774 return 0; 775 deinit: 776 hfi_session_deinit(inst); 777 return ret; 778 } 779 780 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 781 unsigned int *out_num) 782 { 783 enum hfi_version ver = inst->core->res->hfi_version; 784 struct hfi_buffer_requirements bufreq; 785 int ret; 786 787 *in_num = *out_num = 0; 788 789 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 790 if (ret) 791 return ret; 792 793 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 794 795 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 796 if (ret) 797 return ret; 798 799 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 800 801 return 0; 802 } 803 804 static int vdec_queue_setup(struct vb2_queue *q, 805 unsigned int *num_buffers, unsigned int *num_planes, 806 unsigned int sizes[], struct device *alloc_devs[]) 807 { 808 struct venus_inst *inst = vb2_get_drv_priv(q); 809 unsigned int in_num, out_num; 810 int ret = 0; 811 812 if (*num_planes) { 813 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 814 815 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 816 *num_planes != inst->fmt_out->num_planes) 817 return -EINVAL; 818 819 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 820 *num_planes != inst->fmt_cap->num_planes) 821 return -EINVAL; 822 823 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 824 sizes[0] < inst->input_buf_size) 825 return -EINVAL; 826 827 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 828 sizes[0] < output_buf_size) 829 return -EINVAL; 830 831 return 0; 832 } 833 834 ret = vdec_pm_get(inst); 835 if (ret) 836 return ret; 837 838 ret = vdec_session_init(inst); 839 if (ret) 840 goto put_power; 841 842 ret = vdec_num_buffers(inst, &in_num, &out_num); 843 if (ret) 844 goto put_power; 845 846 ret = vdec_pm_put(inst, false); 847 if (ret) 848 return ret; 849 850 switch (q->type) { 851 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 852 *num_planes = inst->fmt_out->num_planes; 853 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 854 inst->out_width, 855 inst->out_height); 856 sizes[0] = max(sizes[0], inst->input_buf_size); 857 inst->input_buf_size = sizes[0]; 858 *num_buffers = max(*num_buffers, in_num); 859 inst->num_input_bufs = *num_buffers; 860 inst->num_output_bufs = out_num; 861 break; 862 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 863 *num_planes = inst->fmt_cap->num_planes; 864 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 865 inst->width, 866 inst->height); 867 inst->output_buf_size = sizes[0]; 868 *num_buffers = max(*num_buffers, out_num); 869 inst->num_output_bufs = *num_buffers; 870 871 mutex_lock(&inst->lock); 872 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 873 inst->codec_state = VENUS_DEC_STATE_STOPPED; 874 mutex_unlock(&inst->lock); 875 break; 876 default: 877 ret = -EINVAL; 878 break; 879 } 880 881 return ret; 882 883 put_power: 884 vdec_pm_put(inst, false); 885 return ret; 886 } 887 888 static int vdec_verify_conf(struct venus_inst *inst) 889 { 890 enum hfi_version ver = inst->core->res->hfi_version; 891 struct hfi_buffer_requirements bufreq; 892 int ret; 893 894 if (!inst->num_input_bufs || !inst->num_output_bufs) 895 return -EINVAL; 896 897 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 898 if (ret) 899 return ret; 900 901 if (inst->num_output_bufs < bufreq.count_actual || 902 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 903 return -EINVAL; 904 905 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 906 if (ret) 907 return ret; 908 909 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 910 return -EINVAL; 911 912 return 0; 913 } 914 915 static int vdec_start_capture(struct venus_inst *inst) 916 { 917 int ret; 918 919 if (!inst->streamon_out) 920 return 0; 921 922 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 923 if (inst->reconfig) 924 goto reconfigure; 925 926 venus_helper_queue_dpb_bufs(inst); 927 venus_helper_process_initial_cap_bufs(inst); 928 inst->streamon_cap = 1; 929 return 0; 930 } 931 932 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 933 return 0; 934 935 reconfigure: 936 ret = vdec_output_conf(inst); 937 if (ret) 938 return ret; 939 940 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 941 VB2_MAX_FRAME, VB2_MAX_FRAME); 942 if (ret) 943 return ret; 944 945 ret = venus_helper_intbufs_realloc(inst); 946 if (ret) 947 goto err; 948 949 ret = venus_helper_alloc_dpb_bufs(inst); 950 if (ret) 951 goto err; 952 953 ret = venus_helper_queue_dpb_bufs(inst); 954 if (ret) 955 goto free_dpb_bufs; 956 957 ret = venus_helper_process_initial_cap_bufs(inst); 958 if (ret) 959 goto free_dpb_bufs; 960 961 venus_pm_load_scale(inst); 962 963 inst->next_buf_last = false; 964 965 ret = hfi_session_continue(inst); 966 if (ret) 967 goto free_dpb_bufs; 968 969 inst->codec_state = VENUS_DEC_STATE_DECODING; 970 971 if (inst->drain_active) 972 inst->codec_state = VENUS_DEC_STATE_DRAIN; 973 974 inst->streamon_cap = 1; 975 inst->sequence_cap = 0; 976 inst->reconfig = false; 977 inst->drain_active = false; 978 979 return 0; 980 981 free_dpb_bufs: 982 venus_helper_free_dpb_bufs(inst); 983 err: 984 return ret; 985 } 986 987 static int vdec_start_output(struct venus_inst *inst) 988 { 989 int ret; 990 991 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 992 ret = venus_helper_process_initial_out_bufs(inst); 993 if (inst->next_buf_last) 994 inst->codec_state = VENUS_DEC_STATE_DRC; 995 else 996 inst->codec_state = VENUS_DEC_STATE_DECODING; 997 goto done; 998 } 999 1000 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1001 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1002 ret = venus_helper_process_initial_out_bufs(inst); 1003 goto done; 1004 } 1005 1006 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1007 return -EINVAL; 1008 1009 venus_helper_init_instance(inst); 1010 inst->sequence_out = 0; 1011 inst->reconfig = false; 1012 inst->next_buf_last = false; 1013 1014 ret = vdec_set_properties(inst); 1015 if (ret) 1016 return ret; 1017 1018 ret = vdec_output_conf(inst); 1019 if (ret) 1020 return ret; 1021 1022 ret = vdec_verify_conf(inst); 1023 if (ret) 1024 return ret; 1025 1026 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1027 VB2_MAX_FRAME, VB2_MAX_FRAME); 1028 if (ret) 1029 return ret; 1030 1031 ret = venus_helper_vb2_start_streaming(inst); 1032 if (ret) 1033 return ret; 1034 1035 ret = venus_helper_process_initial_out_bufs(inst); 1036 if (ret) 1037 return ret; 1038 1039 inst->codec_state = VENUS_DEC_STATE_INIT; 1040 1041 done: 1042 inst->streamon_out = 1; 1043 return ret; 1044 } 1045 1046 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1047 { 1048 struct venus_inst *inst = vb2_get_drv_priv(q); 1049 int ret; 1050 1051 mutex_lock(&inst->lock); 1052 1053 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1054 ret = vdec_start_capture(inst); 1055 } else { 1056 ret = vdec_pm_get(inst); 1057 if (ret) 1058 goto error; 1059 1060 ret = venus_pm_acquire_core(inst); 1061 if (ret) 1062 goto put_power; 1063 1064 ret = vdec_pm_put(inst, true); 1065 if (ret) 1066 goto error; 1067 1068 ret = vdec_start_output(inst); 1069 } 1070 1071 if (ret) 1072 goto error; 1073 1074 mutex_unlock(&inst->lock); 1075 return 0; 1076 1077 put_power: 1078 vdec_pm_put(inst, false); 1079 error: 1080 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1081 mutex_unlock(&inst->lock); 1082 return ret; 1083 } 1084 1085 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1086 { 1087 struct vb2_v4l2_buffer *buf; 1088 1089 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1090 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1091 } 1092 1093 static int vdec_stop_capture(struct venus_inst *inst) 1094 { 1095 int ret = 0; 1096 1097 switch (inst->codec_state) { 1098 case VENUS_DEC_STATE_DECODING: 1099 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1100 fallthrough; 1101 case VENUS_DEC_STATE_DRAIN: 1102 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1103 inst->drain_active = false; 1104 fallthrough; 1105 case VENUS_DEC_STATE_SEEK: 1106 vdec_cancel_dst_buffers(inst); 1107 break; 1108 case VENUS_DEC_STATE_DRC: 1109 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1110 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1111 venus_helper_free_dpb_bufs(inst); 1112 break; 1113 default: 1114 break; 1115 } 1116 1117 return ret; 1118 } 1119 1120 static int vdec_stop_output(struct venus_inst *inst) 1121 { 1122 int ret = 0; 1123 1124 switch (inst->codec_state) { 1125 case VENUS_DEC_STATE_DECODING: 1126 case VENUS_DEC_STATE_DRAIN: 1127 case VENUS_DEC_STATE_STOPPED: 1128 case VENUS_DEC_STATE_DRC: 1129 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1130 inst->codec_state = VENUS_DEC_STATE_SEEK; 1131 break; 1132 case VENUS_DEC_STATE_INIT: 1133 case VENUS_DEC_STATE_CAPTURE_SETUP: 1134 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1135 break; 1136 default: 1137 break; 1138 } 1139 1140 return ret; 1141 } 1142 1143 static void vdec_stop_streaming(struct vb2_queue *q) 1144 { 1145 struct venus_inst *inst = vb2_get_drv_priv(q); 1146 int ret = -EINVAL; 1147 1148 mutex_lock(&inst->lock); 1149 1150 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1151 ret = vdec_stop_capture(inst); 1152 else 1153 ret = vdec_stop_output(inst); 1154 1155 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1156 1157 if (ret) 1158 goto unlock; 1159 1160 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1161 inst->streamon_out = 0; 1162 else 1163 inst->streamon_cap = 0; 1164 1165 unlock: 1166 mutex_unlock(&inst->lock); 1167 } 1168 1169 static void vdec_session_release(struct venus_inst *inst) 1170 { 1171 struct venus_core *core = inst->core; 1172 int ret, abort = 0; 1173 1174 vdec_pm_get(inst); 1175 1176 mutex_lock(&inst->lock); 1177 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1178 1179 ret = hfi_session_stop(inst); 1180 abort = (ret && ret != -EINVAL) ? 1 : 0; 1181 ret = hfi_session_unload_res(inst); 1182 abort = (ret && ret != -EINVAL) ? 1 : 0; 1183 ret = venus_helper_unregister_bufs(inst); 1184 abort = (ret && ret != -EINVAL) ? 1 : 0; 1185 ret = venus_helper_intbufs_free(inst); 1186 abort = (ret && ret != -EINVAL) ? 1 : 0; 1187 ret = hfi_session_deinit(inst); 1188 abort = (ret && ret != -EINVAL) ? 1 : 0; 1189 1190 if (inst->session_error || core->sys_error) 1191 abort = 1; 1192 1193 if (abort) 1194 hfi_session_abort(inst); 1195 1196 venus_helper_free_dpb_bufs(inst); 1197 venus_pm_load_scale(inst); 1198 INIT_LIST_HEAD(&inst->registeredbufs); 1199 mutex_unlock(&inst->lock); 1200 1201 venus_pm_release_core(inst); 1202 vdec_pm_put(inst, false); 1203 } 1204 1205 static int vdec_buf_init(struct vb2_buffer *vb) 1206 { 1207 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1208 1209 inst->buf_count++; 1210 1211 return venus_helper_vb2_buf_init(vb); 1212 } 1213 1214 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1215 { 1216 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1217 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1218 struct venus_buffer *buf = to_venus_buffer(vbuf); 1219 1220 mutex_lock(&inst->lock); 1221 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1222 if (!list_empty(&inst->registeredbufs)) 1223 list_del_init(&buf->reg_list); 1224 mutex_unlock(&inst->lock); 1225 1226 inst->buf_count--; 1227 if (!inst->buf_count) 1228 vdec_session_release(inst); 1229 } 1230 1231 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1232 { 1233 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1234 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1235 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1236 1237 vdec_pm_get_put(inst); 1238 1239 mutex_lock(&inst->lock); 1240 1241 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1242 inst->codec_state == VENUS_DEC_STATE_DRC) { 1243 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1244 vbuf->sequence = inst->sequence_cap++; 1245 vbuf->field = V4L2_FIELD_NONE; 1246 vb2_set_plane_payload(vb, 0, 0); 1247 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1248 v4l2_event_queue_fh(&inst->fh, &eos); 1249 inst->next_buf_last = false; 1250 mutex_unlock(&inst->lock); 1251 return; 1252 } 1253 1254 venus_helper_vb2_buf_queue(vb); 1255 mutex_unlock(&inst->lock); 1256 } 1257 1258 static const struct vb2_ops vdec_vb2_ops = { 1259 .queue_setup = vdec_queue_setup, 1260 .buf_init = vdec_buf_init, 1261 .buf_cleanup = vdec_buf_cleanup, 1262 .buf_prepare = venus_helper_vb2_buf_prepare, 1263 .start_streaming = vdec_start_streaming, 1264 .stop_streaming = vdec_stop_streaming, 1265 .buf_queue = vdec_vb2_buf_queue, 1266 }; 1267 1268 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1269 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1270 u32 hfi_flags, u64 timestamp_us) 1271 { 1272 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1273 struct vb2_v4l2_buffer *vbuf; 1274 struct vb2_buffer *vb; 1275 unsigned int type; 1276 1277 vdec_pm_touch(inst); 1278 1279 if (buf_type == HFI_BUFFER_INPUT) 1280 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1281 else 1282 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1283 1284 vbuf = venus_helper_find_buf(inst, type, tag); 1285 if (!vbuf) 1286 return; 1287 1288 vbuf->flags = flags; 1289 vbuf->field = V4L2_FIELD_NONE; 1290 vb = &vbuf->vb2_buf; 1291 1292 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1293 vb2_set_plane_payload(vb, 0, bytesused); 1294 vb->planes[0].data_offset = data_offset; 1295 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1296 vbuf->sequence = inst->sequence_cap++; 1297 1298 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1299 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1300 1301 v4l2_event_queue_fh(&inst->fh, &ev); 1302 1303 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1304 inst->drain_active = false; 1305 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1306 } 1307 } 1308 1309 if (!bytesused) 1310 state = VB2_BUF_STATE_ERROR; 1311 } else { 1312 vbuf->sequence = inst->sequence_out++; 1313 } 1314 1315 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1316 1317 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1318 venus_helper_acquire_buf_ref(vbuf); 1319 1320 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1321 state = VB2_BUF_STATE_ERROR; 1322 1323 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1324 state = VB2_BUF_STATE_ERROR; 1325 vb2_set_plane_payload(vb, 0, 0); 1326 vb->timestamp = 0; 1327 } 1328 1329 v4l2_m2m_buf_done(vbuf, state); 1330 } 1331 1332 static void vdec_event_change(struct venus_inst *inst, 1333 struct hfi_event_data *ev_data, bool sufficient) 1334 { 1335 static const struct v4l2_event ev = { 1336 .type = V4L2_EVENT_SOURCE_CHANGE, 1337 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1338 struct device *dev = inst->core->dev_dec; 1339 struct v4l2_format format = {}; 1340 1341 mutex_lock(&inst->lock); 1342 1343 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1344 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1345 format.fmt.pix_mp.width = ev_data->width; 1346 format.fmt.pix_mp.height = ev_data->height; 1347 1348 vdec_try_fmt_common(inst, &format); 1349 1350 inst->width = format.fmt.pix_mp.width; 1351 inst->height = format.fmt.pix_mp.height; 1352 /* 1353 * Some versions of the firmware do not report crop information for 1354 * all codecs. For these cases, set the crop to the coded resolution. 1355 */ 1356 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1357 inst->crop.left = ev_data->input_crop.left; 1358 inst->crop.top = ev_data->input_crop.top; 1359 inst->crop.width = ev_data->input_crop.width; 1360 inst->crop.height = ev_data->input_crop.height; 1361 } else { 1362 inst->crop.left = 0; 1363 inst->crop.top = 0; 1364 inst->crop.width = ev_data->width; 1365 inst->crop.height = ev_data->height; 1366 } 1367 1368 inst->out_width = ev_data->width; 1369 inst->out_height = ev_data->height; 1370 1371 if (inst->bit_depth != ev_data->bit_depth) 1372 inst->bit_depth = ev_data->bit_depth; 1373 1374 if (inst->pic_struct != ev_data->pic_struct) 1375 inst->pic_struct = ev_data->pic_struct; 1376 1377 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1378 sufficient ? "" : "not", ev_data->width, ev_data->height); 1379 1380 switch (inst->codec_state) { 1381 case VENUS_DEC_STATE_INIT: 1382 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1383 break; 1384 case VENUS_DEC_STATE_DECODING: 1385 case VENUS_DEC_STATE_DRAIN: 1386 inst->codec_state = VENUS_DEC_STATE_DRC; 1387 break; 1388 default: 1389 break; 1390 } 1391 1392 /* 1393 * The assumption is that the firmware have to return the last buffer 1394 * before this event is received in the v4l2 driver. Also the firmware 1395 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1396 */ 1397 1398 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1399 int ret; 1400 1401 inst->next_buf_last = true; 1402 1403 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1404 if (ret) 1405 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1406 } 1407 1408 inst->next_buf_last = true; 1409 inst->reconfig = true; 1410 v4l2_event_queue_fh(&inst->fh, &ev); 1411 wake_up(&inst->reconf_wait); 1412 1413 mutex_unlock(&inst->lock); 1414 } 1415 1416 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1417 struct hfi_event_data *data) 1418 { 1419 struct venus_core *core = inst->core; 1420 struct device *dev = core->dev_dec; 1421 1422 vdec_pm_touch(inst); 1423 1424 switch (event) { 1425 case EVT_SESSION_ERROR: 1426 inst->session_error = true; 1427 dev_err(dev, "dec: event session error %x\n", inst->error); 1428 break; 1429 case EVT_SYS_EVENT_CHANGE: 1430 switch (data->event_type) { 1431 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1432 vdec_event_change(inst, data, true); 1433 break; 1434 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1435 vdec_event_change(inst, data, false); 1436 break; 1437 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1438 venus_helper_release_buf_ref(inst, data->tag); 1439 break; 1440 default: 1441 break; 1442 } 1443 break; 1444 default: 1445 break; 1446 } 1447 } 1448 1449 static void vdec_flush_done(struct venus_inst *inst) 1450 { 1451 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1452 } 1453 1454 static const struct hfi_inst_ops vdec_hfi_ops = { 1455 .buf_done = vdec_buf_done, 1456 .event_notify = vdec_event_notify, 1457 .flush_done = vdec_flush_done, 1458 }; 1459 1460 static void vdec_inst_init(struct venus_inst *inst) 1461 { 1462 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1463 inst->fmt_out = &vdec_formats[6]; 1464 inst->fmt_cap = &vdec_formats[0]; 1465 inst->width = frame_width_min(inst); 1466 inst->height = ALIGN(frame_height_min(inst), 32); 1467 inst->crop.left = 0; 1468 inst->crop.top = 0; 1469 inst->crop.width = inst->width; 1470 inst->crop.height = inst->height; 1471 inst->out_width = frame_width_min(inst); 1472 inst->out_height = frame_height_min(inst); 1473 inst->fps = 30; 1474 inst->timeperframe.numerator = 1; 1475 inst->timeperframe.denominator = 30; 1476 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1477 } 1478 1479 static void vdec_m2m_device_run(void *priv) 1480 { 1481 } 1482 1483 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1484 .device_run = vdec_m2m_device_run, 1485 .job_abort = venus_helper_m2m_job_abort, 1486 }; 1487 1488 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1489 struct vb2_queue *dst_vq) 1490 { 1491 struct venus_inst *inst = priv; 1492 int ret; 1493 1494 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1495 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1496 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1497 src_vq->ops = &vdec_vb2_ops; 1498 src_vq->mem_ops = &vb2_dma_contig_memops; 1499 src_vq->drv_priv = inst; 1500 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1501 src_vq->allow_zero_bytesused = 1; 1502 src_vq->min_buffers_needed = 0; 1503 src_vq->dev = inst->core->dev; 1504 ret = vb2_queue_init(src_vq); 1505 if (ret) 1506 return ret; 1507 1508 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1509 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1510 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1511 dst_vq->ops = &vdec_vb2_ops; 1512 dst_vq->mem_ops = &vb2_dma_contig_memops; 1513 dst_vq->drv_priv = inst; 1514 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1515 dst_vq->allow_zero_bytesused = 1; 1516 dst_vq->min_buffers_needed = 0; 1517 dst_vq->dev = inst->core->dev; 1518 return vb2_queue_init(dst_vq); 1519 } 1520 1521 static int vdec_open(struct file *file) 1522 { 1523 struct venus_core *core = video_drvdata(file); 1524 struct venus_inst *inst; 1525 int ret; 1526 1527 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1528 if (!inst) 1529 return -ENOMEM; 1530 1531 INIT_LIST_HEAD(&inst->dpbbufs); 1532 INIT_LIST_HEAD(&inst->registeredbufs); 1533 INIT_LIST_HEAD(&inst->internalbufs); 1534 INIT_LIST_HEAD(&inst->list); 1535 mutex_init(&inst->lock); 1536 1537 inst->core = core; 1538 inst->session_type = VIDC_SESSION_TYPE_DEC; 1539 inst->num_output_bufs = 1; 1540 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1541 inst->buf_count = 0; 1542 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1543 inst->core_acquired = false; 1544 inst->bit_depth = VIDC_BITDEPTH_8; 1545 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1546 init_waitqueue_head(&inst->reconf_wait); 1547 venus_helper_init_instance(inst); 1548 1549 ret = vdec_ctrl_init(inst); 1550 if (ret) 1551 goto err_free; 1552 1553 ret = hfi_session_create(inst, &vdec_hfi_ops); 1554 if (ret) 1555 goto err_ctrl_deinit; 1556 1557 vdec_inst_init(inst); 1558 1559 /* 1560 * create m2m device for every instance, the m2m context scheduling 1561 * is made by firmware side so we do not need to care about. 1562 */ 1563 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1564 if (IS_ERR(inst->m2m_dev)) { 1565 ret = PTR_ERR(inst->m2m_dev); 1566 goto err_session_destroy; 1567 } 1568 1569 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1570 if (IS_ERR(inst->m2m_ctx)) { 1571 ret = PTR_ERR(inst->m2m_ctx); 1572 goto err_m2m_release; 1573 } 1574 1575 v4l2_fh_init(&inst->fh, core->vdev_dec); 1576 1577 inst->fh.ctrl_handler = &inst->ctrl_handler; 1578 v4l2_fh_add(&inst->fh); 1579 inst->fh.m2m_ctx = inst->m2m_ctx; 1580 file->private_data = &inst->fh; 1581 1582 return 0; 1583 1584 err_m2m_release: 1585 v4l2_m2m_release(inst->m2m_dev); 1586 err_session_destroy: 1587 hfi_session_destroy(inst); 1588 err_ctrl_deinit: 1589 vdec_ctrl_deinit(inst); 1590 err_free: 1591 kfree(inst); 1592 return ret; 1593 } 1594 1595 static int vdec_close(struct file *file) 1596 { 1597 struct venus_inst *inst = to_inst(file); 1598 1599 vdec_pm_get(inst); 1600 1601 v4l2_m2m_ctx_release(inst->m2m_ctx); 1602 v4l2_m2m_release(inst->m2m_dev); 1603 vdec_ctrl_deinit(inst); 1604 hfi_session_destroy(inst); 1605 mutex_destroy(&inst->lock); 1606 v4l2_fh_del(&inst->fh); 1607 v4l2_fh_exit(&inst->fh); 1608 1609 vdec_pm_put(inst, false); 1610 1611 kfree(inst); 1612 return 0; 1613 } 1614 1615 static const struct v4l2_file_operations vdec_fops = { 1616 .owner = THIS_MODULE, 1617 .open = vdec_open, 1618 .release = vdec_close, 1619 .unlocked_ioctl = video_ioctl2, 1620 .poll = v4l2_m2m_fop_poll, 1621 .mmap = v4l2_m2m_fop_mmap, 1622 }; 1623 1624 static int vdec_probe(struct platform_device *pdev) 1625 { 1626 struct device *dev = &pdev->dev; 1627 struct video_device *vdev; 1628 struct venus_core *core; 1629 int ret; 1630 1631 if (!dev->parent) 1632 return -EPROBE_DEFER; 1633 1634 core = dev_get_drvdata(dev->parent); 1635 if (!core) 1636 return -EPROBE_DEFER; 1637 1638 platform_set_drvdata(pdev, core); 1639 1640 if (core->pm_ops->vdec_get) { 1641 ret = core->pm_ops->vdec_get(dev); 1642 if (ret) 1643 return ret; 1644 } 1645 1646 vdev = video_device_alloc(); 1647 if (!vdev) 1648 return -ENOMEM; 1649 1650 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1651 vdev->release = video_device_release; 1652 vdev->fops = &vdec_fops; 1653 vdev->ioctl_ops = &vdec_ioctl_ops; 1654 vdev->vfl_dir = VFL_DIR_M2M; 1655 vdev->v4l2_dev = &core->v4l2_dev; 1656 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1657 1658 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1659 if (ret) 1660 goto err_vdev_release; 1661 1662 core->vdev_dec = vdev; 1663 core->dev_dec = dev; 1664 1665 video_set_drvdata(vdev, core); 1666 pm_runtime_set_autosuspend_delay(dev, 2000); 1667 pm_runtime_use_autosuspend(dev); 1668 pm_runtime_enable(dev); 1669 1670 return 0; 1671 1672 err_vdev_release: 1673 video_device_release(vdev); 1674 return ret; 1675 } 1676 1677 static int vdec_remove(struct platform_device *pdev) 1678 { 1679 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1680 1681 video_unregister_device(core->vdev_dec); 1682 pm_runtime_disable(core->dev_dec); 1683 1684 if (core->pm_ops->vdec_put) 1685 core->pm_ops->vdec_put(core->dev_dec); 1686 1687 return 0; 1688 } 1689 1690 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1691 { 1692 struct venus_core *core = dev_get_drvdata(dev); 1693 const struct venus_pm_ops *pm_ops = core->pm_ops; 1694 int ret = 0; 1695 1696 if (pm_ops->vdec_power) 1697 ret = pm_ops->vdec_power(dev, POWER_OFF); 1698 1699 return ret; 1700 } 1701 1702 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1703 { 1704 struct venus_core *core = dev_get_drvdata(dev); 1705 const struct venus_pm_ops *pm_ops = core->pm_ops; 1706 int ret = 0; 1707 1708 if (pm_ops->vdec_power) 1709 ret = pm_ops->vdec_power(dev, POWER_ON); 1710 1711 return ret; 1712 } 1713 1714 static const struct dev_pm_ops vdec_pm_ops = { 1715 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1716 pm_runtime_force_resume) 1717 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1718 }; 1719 1720 static const struct of_device_id vdec_dt_match[] = { 1721 { .compatible = "venus-decoder" }, 1722 { } 1723 }; 1724 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1725 1726 static struct platform_driver qcom_venus_dec_driver = { 1727 .probe = vdec_probe, 1728 .remove = vdec_remove, 1729 .driver = { 1730 .name = "qcom-venus-decoder", 1731 .of_match_table = vdec_dt_match, 1732 .pm = &vdec_pm_ops, 1733 }, 1734 }; 1735 module_platform_driver(qcom_venus_dec_driver); 1736 1737 MODULE_ALIAS("platform:qcom-venus-decoder"); 1738 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1739 MODULE_LICENSE("GPL v2"); 1740