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-sg.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 } 525 526 unlock: 527 mutex_unlock(&inst->lock); 528 return ret; 529 } 530 531 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 532 .vidioc_querycap = vdec_querycap, 533 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 534 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 535 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 536 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 537 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 538 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 539 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 540 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 541 .vidioc_g_selection = vdec_g_selection, 542 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 543 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 544 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 545 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 546 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 547 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 548 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 549 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 550 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 551 .vidioc_s_parm = vdec_s_parm, 552 .vidioc_enum_framesizes = vdec_enum_framesizes, 553 .vidioc_subscribe_event = vdec_subscribe_event, 554 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 555 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 556 .vidioc_decoder_cmd = vdec_decoder_cmd, 557 }; 558 559 static int vdec_pm_get(struct venus_inst *inst) 560 { 561 struct venus_core *core = inst->core; 562 struct device *dev = core->dev_dec; 563 int ret; 564 565 mutex_lock(&core->pm_lock); 566 ret = pm_runtime_get_sync(dev); 567 mutex_unlock(&core->pm_lock); 568 569 return ret < 0 ? ret : 0; 570 } 571 572 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 573 { 574 struct venus_core *core = inst->core; 575 struct device *dev = core->dev_dec; 576 int ret; 577 578 mutex_lock(&core->pm_lock); 579 580 if (autosuspend) 581 ret = pm_runtime_put_autosuspend(dev); 582 else 583 ret = pm_runtime_put_sync(dev); 584 585 mutex_unlock(&core->pm_lock); 586 587 return ret < 0 ? ret : 0; 588 } 589 590 static int vdec_pm_get_put(struct venus_inst *inst) 591 { 592 struct venus_core *core = inst->core; 593 struct device *dev = core->dev_dec; 594 int ret = 0; 595 596 mutex_lock(&core->pm_lock); 597 598 if (pm_runtime_suspended(dev)) { 599 ret = pm_runtime_get_sync(dev); 600 if (ret < 0) 601 goto error; 602 603 ret = pm_runtime_put_autosuspend(dev); 604 } 605 606 error: 607 mutex_unlock(&core->pm_lock); 608 609 return ret < 0 ? ret : 0; 610 } 611 612 static void vdec_pm_touch(struct venus_inst *inst) 613 { 614 pm_runtime_mark_last_busy(inst->core->dev_dec); 615 } 616 617 static int vdec_set_properties(struct venus_inst *inst) 618 { 619 struct vdec_controls *ctr = &inst->controls.dec; 620 struct hfi_enable en = { .enable = 1 }; 621 u32 ptype; 622 int ret; 623 624 if (ctr->post_loop_deb_mode) { 625 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 626 ret = hfi_session_set_property(inst, ptype, &en); 627 if (ret) 628 return ret; 629 } 630 631 return 0; 632 } 633 634 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 635 636 static int vdec_output_conf(struct venus_inst *inst) 637 { 638 struct venus_core *core = inst->core; 639 struct hfi_enable en = { .enable = 1 }; 640 u32 width = inst->out_width; 641 u32 height = inst->out_height; 642 u32 out_fmt, out2_fmt; 643 bool ubwc = false; 644 u32 ptype; 645 int ret; 646 647 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 648 if (ret) 649 return ret; 650 651 if (core->res->hfi_version == HFI_VERSION_1XX) { 652 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 653 ret = hfi_session_set_property(inst, ptype, &en); 654 if (ret) 655 return ret; 656 } 657 658 /* Force searching UBWC formats for bigger then HD resolutions */ 659 if (width > 1920 && height > ALIGN(1080, 32)) 660 ubwc = true; 661 662 /* For Venus v4 UBWC format is mandatory */ 663 if (IS_V4(core)) 664 ubwc = true; 665 666 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 667 &out2_fmt, ubwc); 668 if (ret) 669 return ret; 670 671 inst->output_buf_size = 672 venus_helper_get_framesz_raw(out_fmt, width, height); 673 inst->output2_buf_size = 674 venus_helper_get_framesz_raw(out2_fmt, width, height); 675 676 if (is_ubwc_fmt(out_fmt)) { 677 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 678 inst->opb_fmt = out2_fmt; 679 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 680 inst->dpb_fmt = out_fmt; 681 } else if (is_ubwc_fmt(out2_fmt)) { 682 inst->opb_buftype = HFI_BUFFER_OUTPUT; 683 inst->opb_fmt = out_fmt; 684 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 685 inst->dpb_fmt = out2_fmt; 686 } else { 687 inst->opb_buftype = HFI_BUFFER_OUTPUT; 688 inst->opb_fmt = out_fmt; 689 inst->dpb_buftype = 0; 690 inst->dpb_fmt = 0; 691 } 692 693 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 694 inst->opb_buftype); 695 if (ret) 696 return ret; 697 698 if (inst->dpb_fmt) { 699 ret = venus_helper_set_multistream(inst, false, true); 700 if (ret) 701 return ret; 702 703 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 704 inst->dpb_buftype); 705 if (ret) 706 return ret; 707 708 ret = venus_helper_set_output_resolution(inst, width, height, 709 HFI_BUFFER_OUTPUT2); 710 if (ret) 711 return ret; 712 } 713 714 if (IS_V3(core) || IS_V4(core)) { 715 if (inst->output2_buf_size) { 716 ret = venus_helper_set_bufsize(inst, 717 inst->output2_buf_size, 718 HFI_BUFFER_OUTPUT2); 719 if (ret) 720 return ret; 721 } 722 723 if (inst->output_buf_size) { 724 ret = venus_helper_set_bufsize(inst, 725 inst->output_buf_size, 726 HFI_BUFFER_OUTPUT); 727 if (ret) 728 return ret; 729 } 730 } 731 732 ret = venus_helper_set_dyn_bufmode(inst); 733 if (ret) 734 return ret; 735 736 return 0; 737 } 738 739 static int vdec_session_init(struct venus_inst *inst) 740 { 741 int ret; 742 743 ret = hfi_session_init(inst, inst->fmt_out->pixfmt); 744 if (ret == -EINVAL) 745 return 0; 746 else if (ret) 747 return ret; 748 749 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 750 frame_height_min(inst)); 751 if (ret) 752 goto deinit; 753 754 ret = venus_helper_init_codec_freq_data(inst); 755 if (ret) 756 goto deinit; 757 758 return 0; 759 deinit: 760 hfi_session_deinit(inst); 761 return ret; 762 } 763 764 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 765 unsigned int *out_num) 766 { 767 enum hfi_version ver = inst->core->res->hfi_version; 768 struct hfi_buffer_requirements bufreq; 769 int ret; 770 771 *in_num = *out_num = 0; 772 773 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 774 if (ret) 775 return ret; 776 777 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 778 779 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 780 if (ret) 781 return ret; 782 783 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 784 785 return 0; 786 } 787 788 static int vdec_queue_setup(struct vb2_queue *q, 789 unsigned int *num_buffers, unsigned int *num_planes, 790 unsigned int sizes[], struct device *alloc_devs[]) 791 { 792 struct venus_inst *inst = vb2_get_drv_priv(q); 793 unsigned int in_num, out_num; 794 int ret = 0; 795 796 if (*num_planes) { 797 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 798 799 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 800 *num_planes != inst->fmt_out->num_planes) 801 return -EINVAL; 802 803 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 804 *num_planes != inst->fmt_cap->num_planes) 805 return -EINVAL; 806 807 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 808 sizes[0] < inst->input_buf_size) 809 return -EINVAL; 810 811 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 812 sizes[0] < output_buf_size) 813 return -EINVAL; 814 815 return 0; 816 } 817 818 ret = vdec_pm_get(inst); 819 if (ret) 820 return ret; 821 822 ret = vdec_session_init(inst); 823 if (ret) 824 goto put_power; 825 826 ret = vdec_num_buffers(inst, &in_num, &out_num); 827 if (ret) 828 goto put_power; 829 830 ret = vdec_pm_put(inst, false); 831 if (ret) 832 return ret; 833 834 switch (q->type) { 835 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 836 *num_planes = inst->fmt_out->num_planes; 837 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 838 inst->out_width, 839 inst->out_height); 840 sizes[0] = max(sizes[0], inst->input_buf_size); 841 inst->input_buf_size = sizes[0]; 842 *num_buffers = max(*num_buffers, in_num); 843 inst->num_input_bufs = *num_buffers; 844 inst->num_output_bufs = out_num; 845 break; 846 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 847 *num_planes = inst->fmt_cap->num_planes; 848 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 849 inst->width, 850 inst->height); 851 inst->output_buf_size = sizes[0]; 852 *num_buffers = max(*num_buffers, out_num); 853 inst->num_output_bufs = *num_buffers; 854 855 mutex_lock(&inst->lock); 856 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 857 inst->codec_state = VENUS_DEC_STATE_STOPPED; 858 mutex_unlock(&inst->lock); 859 break; 860 default: 861 ret = -EINVAL; 862 break; 863 } 864 865 return ret; 866 867 put_power: 868 vdec_pm_put(inst, false); 869 return ret; 870 } 871 872 static int vdec_verify_conf(struct venus_inst *inst) 873 { 874 enum hfi_version ver = inst->core->res->hfi_version; 875 struct hfi_buffer_requirements bufreq; 876 int ret; 877 878 if (!inst->num_input_bufs || !inst->num_output_bufs) 879 return -EINVAL; 880 881 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 882 if (ret) 883 return ret; 884 885 if (inst->num_output_bufs < bufreq.count_actual || 886 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 887 return -EINVAL; 888 889 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 890 if (ret) 891 return ret; 892 893 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 894 return -EINVAL; 895 896 return 0; 897 } 898 899 static int vdec_start_capture(struct venus_inst *inst) 900 { 901 int ret; 902 903 if (!inst->streamon_out) 904 return 0; 905 906 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 907 if (inst->reconfig) 908 goto reconfigure; 909 910 venus_helper_queue_dpb_bufs(inst); 911 venus_helper_process_initial_cap_bufs(inst); 912 inst->streamon_cap = 1; 913 return 0; 914 } 915 916 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 917 return 0; 918 919 reconfigure: 920 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 921 if (ret) 922 return ret; 923 924 ret = vdec_output_conf(inst); 925 if (ret) 926 return ret; 927 928 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 929 VB2_MAX_FRAME, VB2_MAX_FRAME); 930 if (ret) 931 return ret; 932 933 ret = venus_helper_intbufs_realloc(inst); 934 if (ret) 935 goto err; 936 937 ret = venus_helper_alloc_dpb_bufs(inst); 938 if (ret) 939 goto err; 940 941 ret = venus_helper_queue_dpb_bufs(inst); 942 if (ret) 943 goto free_dpb_bufs; 944 945 ret = venus_helper_process_initial_cap_bufs(inst); 946 if (ret) 947 goto free_dpb_bufs; 948 949 venus_pm_load_scale(inst); 950 951 ret = hfi_session_continue(inst); 952 if (ret) 953 goto free_dpb_bufs; 954 955 inst->codec_state = VENUS_DEC_STATE_DECODING; 956 957 inst->streamon_cap = 1; 958 inst->sequence_cap = 0; 959 inst->reconfig = false; 960 961 return 0; 962 963 free_dpb_bufs: 964 venus_helper_free_dpb_bufs(inst); 965 err: 966 return ret; 967 } 968 969 static int vdec_start_output(struct venus_inst *inst) 970 { 971 int ret; 972 973 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 974 ret = venus_helper_process_initial_out_bufs(inst); 975 inst->codec_state = VENUS_DEC_STATE_DECODING; 976 goto done; 977 } 978 979 if (inst->codec_state == VENUS_DEC_STATE_INIT || 980 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 981 ret = venus_helper_process_initial_out_bufs(inst); 982 goto done; 983 } 984 985 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 986 return -EINVAL; 987 988 venus_helper_init_instance(inst); 989 inst->sequence_out = 0; 990 inst->reconfig = false; 991 992 ret = vdec_set_properties(inst); 993 if (ret) 994 return ret; 995 996 ret = vdec_output_conf(inst); 997 if (ret) 998 return ret; 999 1000 ret = vdec_verify_conf(inst); 1001 if (ret) 1002 return ret; 1003 1004 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1005 VB2_MAX_FRAME, VB2_MAX_FRAME); 1006 if (ret) 1007 return ret; 1008 1009 ret = venus_helper_vb2_start_streaming(inst); 1010 if (ret) 1011 return ret; 1012 1013 ret = venus_helper_process_initial_out_bufs(inst); 1014 if (ret) 1015 return ret; 1016 1017 inst->codec_state = VENUS_DEC_STATE_INIT; 1018 1019 done: 1020 inst->streamon_out = 1; 1021 return ret; 1022 } 1023 1024 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1025 { 1026 struct venus_inst *inst = vb2_get_drv_priv(q); 1027 int ret; 1028 1029 mutex_lock(&inst->lock); 1030 1031 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1032 ret = vdec_start_capture(inst); 1033 } else { 1034 ret = vdec_pm_get(inst); 1035 if (ret) 1036 goto error; 1037 1038 ret = venus_pm_acquire_core(inst); 1039 if (ret) 1040 goto put_power; 1041 1042 ret = vdec_pm_put(inst, true); 1043 if (ret) 1044 goto error; 1045 1046 ret = vdec_start_output(inst); 1047 } 1048 1049 if (ret) 1050 goto error; 1051 1052 mutex_unlock(&inst->lock); 1053 return 0; 1054 1055 put_power: 1056 vdec_pm_put(inst, false); 1057 error: 1058 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1059 mutex_unlock(&inst->lock); 1060 return ret; 1061 } 1062 1063 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1064 { 1065 struct vb2_v4l2_buffer *buf; 1066 1067 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1068 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1069 } 1070 1071 static int vdec_stop_capture(struct venus_inst *inst) 1072 { 1073 int ret = 0; 1074 1075 switch (inst->codec_state) { 1076 case VENUS_DEC_STATE_DECODING: 1077 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1078 fallthrough; 1079 case VENUS_DEC_STATE_DRAIN: 1080 vdec_cancel_dst_buffers(inst); 1081 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1082 break; 1083 case VENUS_DEC_STATE_DRC: 1084 WARN_ON(1); 1085 fallthrough; 1086 case VENUS_DEC_STATE_DRC_FLUSH_DONE: 1087 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1088 venus_helper_free_dpb_bufs(inst); 1089 break; 1090 default: 1091 break; 1092 } 1093 1094 return ret; 1095 } 1096 1097 static int vdec_stop_output(struct venus_inst *inst) 1098 { 1099 int ret = 0; 1100 1101 switch (inst->codec_state) { 1102 case VENUS_DEC_STATE_DECODING: 1103 case VENUS_DEC_STATE_DRAIN: 1104 case VENUS_DEC_STATE_STOPPED: 1105 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1106 inst->codec_state = VENUS_DEC_STATE_SEEK; 1107 break; 1108 case VENUS_DEC_STATE_INIT: 1109 case VENUS_DEC_STATE_CAPTURE_SETUP: 1110 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1111 break; 1112 default: 1113 break; 1114 } 1115 1116 return ret; 1117 } 1118 1119 static void vdec_stop_streaming(struct vb2_queue *q) 1120 { 1121 struct venus_inst *inst = vb2_get_drv_priv(q); 1122 int ret = -EINVAL; 1123 1124 mutex_lock(&inst->lock); 1125 1126 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1127 ret = vdec_stop_capture(inst); 1128 else 1129 ret = vdec_stop_output(inst); 1130 1131 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1132 1133 if (ret) 1134 goto unlock; 1135 1136 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1137 inst->streamon_out = 0; 1138 else 1139 inst->streamon_cap = 0; 1140 1141 unlock: 1142 mutex_unlock(&inst->lock); 1143 } 1144 1145 static void vdec_session_release(struct venus_inst *inst) 1146 { 1147 struct venus_core *core = inst->core; 1148 int ret, abort = 0; 1149 1150 vdec_pm_get(inst); 1151 1152 mutex_lock(&inst->lock); 1153 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1154 1155 ret = hfi_session_stop(inst); 1156 abort = (ret && ret != -EINVAL) ? 1 : 0; 1157 ret = hfi_session_unload_res(inst); 1158 abort = (ret && ret != -EINVAL) ? 1 : 0; 1159 ret = venus_helper_unregister_bufs(inst); 1160 abort = (ret && ret != -EINVAL) ? 1 : 0; 1161 ret = venus_helper_intbufs_free(inst); 1162 abort = (ret && ret != -EINVAL) ? 1 : 0; 1163 ret = hfi_session_deinit(inst); 1164 abort = (ret && ret != -EINVAL) ? 1 : 0; 1165 1166 if (inst->session_error || core->sys_error) 1167 abort = 1; 1168 1169 if (abort) 1170 hfi_session_abort(inst); 1171 1172 venus_helper_free_dpb_bufs(inst); 1173 venus_pm_load_scale(inst); 1174 INIT_LIST_HEAD(&inst->registeredbufs); 1175 mutex_unlock(&inst->lock); 1176 1177 venus_pm_release_core(inst); 1178 vdec_pm_put(inst, false); 1179 } 1180 1181 static int vdec_buf_init(struct vb2_buffer *vb) 1182 { 1183 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1184 1185 inst->buf_count++; 1186 1187 return venus_helper_vb2_buf_init(vb); 1188 } 1189 1190 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1191 { 1192 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1193 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1194 struct venus_buffer *buf = to_venus_buffer(vbuf); 1195 1196 mutex_lock(&inst->lock); 1197 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1198 if (!list_empty(&inst->registeredbufs)) 1199 list_del_init(&buf->reg_list); 1200 mutex_unlock(&inst->lock); 1201 1202 inst->buf_count--; 1203 if (!inst->buf_count) 1204 vdec_session_release(inst); 1205 } 1206 1207 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1208 { 1209 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1210 1211 vdec_pm_get_put(inst); 1212 1213 venus_helper_vb2_buf_queue(vb); 1214 } 1215 1216 static const struct vb2_ops vdec_vb2_ops = { 1217 .queue_setup = vdec_queue_setup, 1218 .buf_init = vdec_buf_init, 1219 .buf_cleanup = vdec_buf_cleanup, 1220 .buf_prepare = venus_helper_vb2_buf_prepare, 1221 .start_streaming = vdec_start_streaming, 1222 .stop_streaming = vdec_stop_streaming, 1223 .buf_queue = vdec_vb2_buf_queue, 1224 }; 1225 1226 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1227 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1228 u32 hfi_flags, u64 timestamp_us) 1229 { 1230 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1231 struct vb2_v4l2_buffer *vbuf; 1232 struct vb2_buffer *vb; 1233 unsigned int type; 1234 1235 vdec_pm_touch(inst); 1236 1237 if (buf_type == HFI_BUFFER_INPUT) 1238 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1239 else 1240 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1241 1242 vbuf = venus_helper_find_buf(inst, type, tag); 1243 if (!vbuf) 1244 return; 1245 1246 vbuf->flags = flags; 1247 vbuf->field = V4L2_FIELD_NONE; 1248 vb = &vbuf->vb2_buf; 1249 1250 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1251 vb2_set_plane_payload(vb, 0, bytesused); 1252 vb->planes[0].data_offset = data_offset; 1253 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1254 vbuf->sequence = inst->sequence_cap++; 1255 1256 if (inst->last_buf == vb) { 1257 inst->last_buf = NULL; 1258 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1259 vb2_set_plane_payload(vb, 0, 0); 1260 vb->timestamp = 0; 1261 } 1262 1263 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1264 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1265 1266 v4l2_event_queue_fh(&inst->fh, &ev); 1267 1268 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) 1269 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1270 } 1271 1272 if (!bytesused) 1273 state = VB2_BUF_STATE_ERROR; 1274 } else { 1275 vbuf->sequence = inst->sequence_out++; 1276 } 1277 1278 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1279 1280 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1281 venus_helper_acquire_buf_ref(vbuf); 1282 1283 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1284 state = VB2_BUF_STATE_ERROR; 1285 1286 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1287 state = VB2_BUF_STATE_ERROR; 1288 vb2_set_plane_payload(vb, 0, 0); 1289 vb->timestamp = 0; 1290 } 1291 1292 v4l2_m2m_buf_done(vbuf, state); 1293 } 1294 1295 static void vdec_event_change(struct venus_inst *inst, 1296 struct hfi_event_data *ev_data, bool sufficient) 1297 { 1298 static const struct v4l2_event ev = { 1299 .type = V4L2_EVENT_SOURCE_CHANGE, 1300 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1301 struct device *dev = inst->core->dev_dec; 1302 struct v4l2_format format = {}; 1303 1304 mutex_lock(&inst->lock); 1305 1306 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1307 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1308 format.fmt.pix_mp.width = ev_data->width; 1309 format.fmt.pix_mp.height = ev_data->height; 1310 1311 vdec_try_fmt_common(inst, &format); 1312 1313 inst->width = format.fmt.pix_mp.width; 1314 inst->height = format.fmt.pix_mp.height; 1315 /* 1316 * Some versions of the firmware do not report crop information for 1317 * all codecs. For these cases, set the crop to the coded resolution. 1318 */ 1319 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1320 inst->crop.left = ev_data->input_crop.left; 1321 inst->crop.top = ev_data->input_crop.top; 1322 inst->crop.width = ev_data->input_crop.width; 1323 inst->crop.height = ev_data->input_crop.height; 1324 } else { 1325 inst->crop.left = 0; 1326 inst->crop.top = 0; 1327 inst->crop.width = ev_data->width; 1328 inst->crop.height = ev_data->height; 1329 } 1330 1331 inst->out_width = ev_data->width; 1332 inst->out_height = ev_data->height; 1333 1334 if (inst->bit_depth != ev_data->bit_depth) 1335 inst->bit_depth = ev_data->bit_depth; 1336 1337 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1338 sufficient ? "" : "not", ev_data->width, ev_data->height); 1339 1340 if (sufficient) { 1341 hfi_session_continue(inst); 1342 } else { 1343 switch (inst->codec_state) { 1344 case VENUS_DEC_STATE_INIT: 1345 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1346 break; 1347 case VENUS_DEC_STATE_DECODING: 1348 inst->codec_state = VENUS_DEC_STATE_DRC; 1349 break; 1350 default: 1351 break; 1352 } 1353 } 1354 1355 /* 1356 * The assumption is that the firmware have to return the last buffer 1357 * before this event is received in the v4l2 driver. Also the firmware 1358 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1359 */ 1360 1361 if (!sufficient && inst->codec_state == VENUS_DEC_STATE_DRC) { 1362 struct vb2_v4l2_buffer *last; 1363 int ret; 1364 1365 last = v4l2_m2m_last_dst_buf(inst->m2m_ctx); 1366 if (last) 1367 inst->last_buf = &last->vb2_buf; 1368 1369 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1370 if (ret) 1371 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1372 } 1373 1374 inst->reconfig = true; 1375 v4l2_event_queue_fh(&inst->fh, &ev); 1376 wake_up(&inst->reconf_wait); 1377 1378 mutex_unlock(&inst->lock); 1379 } 1380 1381 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1382 struct hfi_event_data *data) 1383 { 1384 struct venus_core *core = inst->core; 1385 struct device *dev = core->dev_dec; 1386 1387 vdec_pm_touch(inst); 1388 1389 switch (event) { 1390 case EVT_SESSION_ERROR: 1391 inst->session_error = true; 1392 dev_err(dev, "dec: event session error %x\n", inst->error); 1393 break; 1394 case EVT_SYS_EVENT_CHANGE: 1395 switch (data->event_type) { 1396 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1397 vdec_event_change(inst, data, true); 1398 break; 1399 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1400 vdec_event_change(inst, data, false); 1401 break; 1402 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1403 venus_helper_release_buf_ref(inst, data->tag); 1404 break; 1405 default: 1406 break; 1407 } 1408 break; 1409 default: 1410 break; 1411 } 1412 } 1413 1414 static void vdec_flush_done(struct venus_inst *inst) 1415 { 1416 if (inst->codec_state == VENUS_DEC_STATE_DRC) 1417 inst->codec_state = VENUS_DEC_STATE_DRC_FLUSH_DONE; 1418 } 1419 1420 static const struct hfi_inst_ops vdec_hfi_ops = { 1421 .buf_done = vdec_buf_done, 1422 .event_notify = vdec_event_notify, 1423 .flush_done = vdec_flush_done, 1424 }; 1425 1426 static void vdec_inst_init(struct venus_inst *inst) 1427 { 1428 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1429 inst->fmt_out = &vdec_formats[6]; 1430 inst->fmt_cap = &vdec_formats[0]; 1431 inst->width = frame_width_min(inst); 1432 inst->height = ALIGN(frame_height_min(inst), 32); 1433 inst->crop.left = 0; 1434 inst->crop.top = 0; 1435 inst->crop.width = inst->width; 1436 inst->crop.height = inst->height; 1437 inst->out_width = frame_width_min(inst); 1438 inst->out_height = frame_height_min(inst); 1439 inst->fps = 30; 1440 inst->timeperframe.numerator = 1; 1441 inst->timeperframe.denominator = 30; 1442 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1443 } 1444 1445 static void vdec_m2m_device_run(void *priv) 1446 { 1447 } 1448 1449 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1450 .device_run = vdec_m2m_device_run, 1451 .job_abort = venus_helper_m2m_job_abort, 1452 }; 1453 1454 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1455 struct vb2_queue *dst_vq) 1456 { 1457 struct venus_inst *inst = priv; 1458 int ret; 1459 1460 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1461 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1462 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1463 src_vq->ops = &vdec_vb2_ops; 1464 src_vq->mem_ops = &vb2_dma_sg_memops; 1465 src_vq->drv_priv = inst; 1466 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1467 src_vq->allow_zero_bytesused = 1; 1468 src_vq->min_buffers_needed = 0; 1469 src_vq->dev = inst->core->dev; 1470 ret = vb2_queue_init(src_vq); 1471 if (ret) 1472 return ret; 1473 1474 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1475 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1476 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1477 dst_vq->ops = &vdec_vb2_ops; 1478 dst_vq->mem_ops = &vb2_dma_sg_memops; 1479 dst_vq->drv_priv = inst; 1480 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1481 dst_vq->allow_zero_bytesused = 1; 1482 dst_vq->min_buffers_needed = 0; 1483 dst_vq->dev = inst->core->dev; 1484 return vb2_queue_init(dst_vq); 1485 } 1486 1487 static int vdec_open(struct file *file) 1488 { 1489 struct venus_core *core = video_drvdata(file); 1490 struct venus_inst *inst; 1491 int ret; 1492 1493 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1494 if (!inst) 1495 return -ENOMEM; 1496 1497 INIT_LIST_HEAD(&inst->dpbbufs); 1498 INIT_LIST_HEAD(&inst->registeredbufs); 1499 INIT_LIST_HEAD(&inst->internalbufs); 1500 INIT_LIST_HEAD(&inst->list); 1501 mutex_init(&inst->lock); 1502 1503 inst->core = core; 1504 inst->session_type = VIDC_SESSION_TYPE_DEC; 1505 inst->num_output_bufs = 1; 1506 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1507 inst->buf_count = 0; 1508 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1509 inst->core_acquired = false; 1510 inst->bit_depth = VIDC_BITDEPTH_8; 1511 init_waitqueue_head(&inst->reconf_wait); 1512 venus_helper_init_instance(inst); 1513 1514 ret = vdec_ctrl_init(inst); 1515 if (ret) 1516 goto err_free; 1517 1518 ret = hfi_session_create(inst, &vdec_hfi_ops); 1519 if (ret) 1520 goto err_ctrl_deinit; 1521 1522 vdec_inst_init(inst); 1523 1524 /* 1525 * create m2m device for every instance, the m2m context scheduling 1526 * is made by firmware side so we do not need to care about. 1527 */ 1528 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1529 if (IS_ERR(inst->m2m_dev)) { 1530 ret = PTR_ERR(inst->m2m_dev); 1531 goto err_session_destroy; 1532 } 1533 1534 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1535 if (IS_ERR(inst->m2m_ctx)) { 1536 ret = PTR_ERR(inst->m2m_ctx); 1537 goto err_m2m_release; 1538 } 1539 1540 v4l2_fh_init(&inst->fh, core->vdev_dec); 1541 1542 inst->fh.ctrl_handler = &inst->ctrl_handler; 1543 v4l2_fh_add(&inst->fh); 1544 inst->fh.m2m_ctx = inst->m2m_ctx; 1545 file->private_data = &inst->fh; 1546 1547 return 0; 1548 1549 err_m2m_release: 1550 v4l2_m2m_release(inst->m2m_dev); 1551 err_session_destroy: 1552 hfi_session_destroy(inst); 1553 err_ctrl_deinit: 1554 vdec_ctrl_deinit(inst); 1555 err_free: 1556 kfree(inst); 1557 return ret; 1558 } 1559 1560 static int vdec_close(struct file *file) 1561 { 1562 struct venus_inst *inst = to_inst(file); 1563 1564 vdec_pm_get(inst); 1565 1566 v4l2_m2m_ctx_release(inst->m2m_ctx); 1567 v4l2_m2m_release(inst->m2m_dev); 1568 vdec_ctrl_deinit(inst); 1569 hfi_session_destroy(inst); 1570 mutex_destroy(&inst->lock); 1571 v4l2_fh_del(&inst->fh); 1572 v4l2_fh_exit(&inst->fh); 1573 1574 vdec_pm_put(inst, false); 1575 1576 kfree(inst); 1577 return 0; 1578 } 1579 1580 static const struct v4l2_file_operations vdec_fops = { 1581 .owner = THIS_MODULE, 1582 .open = vdec_open, 1583 .release = vdec_close, 1584 .unlocked_ioctl = video_ioctl2, 1585 .poll = v4l2_m2m_fop_poll, 1586 .mmap = v4l2_m2m_fop_mmap, 1587 }; 1588 1589 static int vdec_probe(struct platform_device *pdev) 1590 { 1591 struct device *dev = &pdev->dev; 1592 struct video_device *vdev; 1593 struct venus_core *core; 1594 int ret; 1595 1596 if (!dev->parent) 1597 return -EPROBE_DEFER; 1598 1599 core = dev_get_drvdata(dev->parent); 1600 if (!core) 1601 return -EPROBE_DEFER; 1602 1603 platform_set_drvdata(pdev, core); 1604 1605 if (core->pm_ops->vdec_get) { 1606 ret = core->pm_ops->vdec_get(dev); 1607 if (ret) 1608 return ret; 1609 } 1610 1611 vdev = video_device_alloc(); 1612 if (!vdev) 1613 return -ENOMEM; 1614 1615 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1616 vdev->release = video_device_release; 1617 vdev->fops = &vdec_fops; 1618 vdev->ioctl_ops = &vdec_ioctl_ops; 1619 vdev->vfl_dir = VFL_DIR_M2M; 1620 vdev->v4l2_dev = &core->v4l2_dev; 1621 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1622 1623 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1624 if (ret) 1625 goto err_vdev_release; 1626 1627 core->vdev_dec = vdev; 1628 core->dev_dec = dev; 1629 1630 video_set_drvdata(vdev, core); 1631 pm_runtime_set_autosuspend_delay(dev, 2000); 1632 pm_runtime_use_autosuspend(dev); 1633 pm_runtime_enable(dev); 1634 1635 return 0; 1636 1637 err_vdev_release: 1638 video_device_release(vdev); 1639 return ret; 1640 } 1641 1642 static int vdec_remove(struct platform_device *pdev) 1643 { 1644 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1645 1646 video_unregister_device(core->vdev_dec); 1647 pm_runtime_disable(core->dev_dec); 1648 1649 if (core->pm_ops->vdec_put) 1650 core->pm_ops->vdec_put(core->dev_dec); 1651 1652 return 0; 1653 } 1654 1655 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1656 { 1657 struct venus_core *core = dev_get_drvdata(dev); 1658 const struct venus_pm_ops *pm_ops = core->pm_ops; 1659 int ret = 0; 1660 1661 if (pm_ops->vdec_power) 1662 ret = pm_ops->vdec_power(dev, POWER_OFF); 1663 1664 return ret; 1665 } 1666 1667 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1668 { 1669 struct venus_core *core = dev_get_drvdata(dev); 1670 const struct venus_pm_ops *pm_ops = core->pm_ops; 1671 int ret = 0; 1672 1673 if (pm_ops->vdec_power) 1674 ret = pm_ops->vdec_power(dev, POWER_ON); 1675 1676 return ret; 1677 } 1678 1679 static const struct dev_pm_ops vdec_pm_ops = { 1680 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1681 pm_runtime_force_resume) 1682 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1683 }; 1684 1685 static const struct of_device_id vdec_dt_match[] = { 1686 { .compatible = "venus-decoder" }, 1687 { } 1688 }; 1689 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1690 1691 static struct platform_driver qcom_venus_dec_driver = { 1692 .probe = vdec_probe, 1693 .remove = vdec_remove, 1694 .driver = { 1695 .name = "qcom-venus-decoder", 1696 .of_match_table = vdec_dt_match, 1697 .pm = &vdec_pm_ops, 1698 }, 1699 }; 1700 module_platform_driver(qcom_venus_dec_driver); 1701 1702 MODULE_ALIAS("platform:qcom-venus-decoder"); 1703 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1704 MODULE_LICENSE("GPL v2"); 1705