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_QC08C, 35 .num_planes = 1, 36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 37 }, { 38 .pixfmt = V4L2_PIX_FMT_QC10C, 39 .num_planes = 1, 40 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 41 },{ 42 .pixfmt = V4L2_PIX_FMT_NV12, 43 .num_planes = 1, 44 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 45 }, { 46 .pixfmt = V4L2_PIX_FMT_MPEG4, 47 .num_planes = 1, 48 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 49 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 50 }, { 51 .pixfmt = V4L2_PIX_FMT_MPEG2, 52 .num_planes = 1, 53 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 54 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 55 }, { 56 .pixfmt = V4L2_PIX_FMT_H263, 57 .num_planes = 1, 58 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 59 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 60 }, { 61 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, 62 .num_planes = 1, 63 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 64 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 65 }, { 66 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, 67 .num_planes = 1, 68 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 69 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 70 }, { 71 .pixfmt = V4L2_PIX_FMT_H264, 72 .num_planes = 1, 73 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 74 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 75 }, { 76 .pixfmt = V4L2_PIX_FMT_VP8, 77 .num_planes = 1, 78 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 79 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 80 }, { 81 .pixfmt = V4L2_PIX_FMT_VP9, 82 .num_planes = 1, 83 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 84 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 85 }, { 86 .pixfmt = V4L2_PIX_FMT_XVID, 87 .num_planes = 1, 88 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 89 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 90 }, { 91 .pixfmt = V4L2_PIX_FMT_HEVC, 92 .num_planes = 1, 93 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 94 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 95 }, 96 }; 97 98 static const struct venus_format * 99 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 100 { 101 const struct venus_format *fmt = vdec_formats; 102 unsigned int size = ARRAY_SIZE(vdec_formats); 103 unsigned int i; 104 105 for (i = 0; i < size; i++) { 106 if (fmt[i].pixfmt == pixfmt) 107 break; 108 } 109 110 if (i == size || fmt[i].type != type) 111 return NULL; 112 113 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 114 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 115 return NULL; 116 117 if (V4L2_TYPE_IS_CAPTURE(type) && 118 !venus_helper_check_format(inst, fmt[i].pixfmt)) 119 return NULL; 120 121 if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && 122 !(inst->bit_depth == VIDC_BITDEPTH_10)) 123 return NULL; 124 125 return &fmt[i]; 126 } 127 128 static const struct venus_format * 129 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 130 { 131 const struct venus_format *fmt = vdec_formats; 132 unsigned int size = ARRAY_SIZE(vdec_formats); 133 unsigned int i, k = 0; 134 135 if (index > size) 136 return NULL; 137 138 for (i = 0; i < size; i++) { 139 bool valid; 140 141 if (fmt[i].type != type) 142 continue; 143 144 if (V4L2_TYPE_IS_OUTPUT(type)) { 145 valid = venus_helper_check_codec(inst, fmt[i].pixfmt); 146 } else if (V4L2_TYPE_IS_CAPTURE(type)) { 147 valid = venus_helper_check_format(inst, fmt[i].pixfmt); 148 149 if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && 150 !(inst->bit_depth == VIDC_BITDEPTH_10)) 151 valid = false; 152 } 153 154 if (k == index && valid) 155 break; 156 if (valid) 157 k++; 158 } 159 160 if (i == size) 161 return NULL; 162 163 return &fmt[i]; 164 } 165 166 static const struct venus_format * 167 vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 168 { 169 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 170 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 171 const struct venus_format *fmt; 172 u32 szimage; 173 174 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 175 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 176 177 fmt = find_format(inst, pixmp->pixelformat, f->type); 178 if (!fmt) { 179 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 180 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 181 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 182 pixmp->pixelformat = V4L2_PIX_FMT_H264; 183 else 184 return NULL; 185 fmt = find_format(inst, pixmp->pixelformat, f->type); 186 } 187 188 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 189 frame_width_max(inst)); 190 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 191 frame_height_max(inst)); 192 193 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 194 pixmp->height = ALIGN(pixmp->height, 32); 195 196 if (pixmp->field == V4L2_FIELD_ANY) 197 pixmp->field = V4L2_FIELD_NONE; 198 pixmp->num_planes = fmt->num_planes; 199 pixmp->flags = 0; 200 201 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, 202 pixmp->height); 203 204 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 205 pfmt[0].sizeimage = szimage; 206 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 207 } else { 208 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); 209 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); 210 pfmt[0].bytesperline = 0; 211 } 212 213 return fmt; 214 } 215 216 static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 217 { 218 struct venus_inst *inst = to_inst(file); 219 220 vdec_try_fmt_common(inst, f); 221 222 return 0; 223 } 224 225 static int vdec_check_src_change(struct venus_inst *inst) 226 { 227 int ret; 228 229 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && 230 inst->codec_state == VENUS_DEC_STATE_INIT && 231 !inst->reconfig) 232 return -EINVAL; 233 234 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) 235 return 0; 236 237 /* 238 * The code snippet below is a workaround for backward compatibility 239 * with applications which doesn't support V4L2 events. It will be 240 * dropped in future once those applications are fixed. 241 */ 242 243 if (inst->codec_state != VENUS_DEC_STATE_INIT) 244 goto done; 245 246 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, 247 msecs_to_jiffies(100)); 248 if (!ret) 249 return -EINVAL; 250 251 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || 252 !inst->reconfig) 253 dev_dbg(inst->core->dev, VDBGH "wrong state\n"); 254 255 done: 256 return 0; 257 } 258 259 static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 260 { 261 struct venus_inst *inst = to_inst(file); 262 const struct venus_format *fmt = NULL; 263 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 264 int ret; 265 266 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 267 fmt = inst->fmt_cap; 268 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 269 fmt = inst->fmt_out; 270 271 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 272 ret = vdec_check_src_change(inst); 273 if (ret) 274 return ret; 275 } 276 277 pixmp->pixelformat = fmt->pixfmt; 278 279 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 280 pixmp->width = inst->width; 281 pixmp->height = inst->height; 282 pixmp->colorspace = inst->colorspace; 283 pixmp->ycbcr_enc = inst->ycbcr_enc; 284 pixmp->quantization = inst->quantization; 285 pixmp->xfer_func = inst->xfer_func; 286 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 287 pixmp->width = inst->out_width; 288 pixmp->height = inst->out_height; 289 } 290 291 vdec_try_fmt_common(inst, f); 292 293 return 0; 294 } 295 296 static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 297 { 298 struct venus_inst *inst = to_inst(file); 299 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 300 struct v4l2_pix_format_mplane orig_pixmp; 301 const struct venus_format *fmt; 302 struct v4l2_format format; 303 u32 pixfmt_out = 0, pixfmt_cap = 0; 304 struct vb2_queue *q; 305 306 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 307 if (!q) 308 return -EINVAL; 309 310 if (vb2_is_busy(q)) 311 return -EBUSY; 312 313 orig_pixmp = *pixmp; 314 315 fmt = vdec_try_fmt_common(inst, f); 316 317 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 318 pixfmt_out = pixmp->pixelformat; 319 pixfmt_cap = inst->fmt_cap->pixfmt; 320 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 321 pixfmt_cap = pixmp->pixelformat; 322 pixfmt_out = inst->fmt_out->pixfmt; 323 } 324 325 memset(&format, 0, sizeof(format)); 326 327 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 328 format.fmt.pix_mp.pixelformat = pixfmt_out; 329 format.fmt.pix_mp.width = orig_pixmp.width; 330 format.fmt.pix_mp.height = orig_pixmp.height; 331 vdec_try_fmt_common(inst, &format); 332 333 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 334 inst->out_width = format.fmt.pix_mp.width; 335 inst->out_height = format.fmt.pix_mp.height; 336 inst->colorspace = pixmp->colorspace; 337 inst->ycbcr_enc = pixmp->ycbcr_enc; 338 inst->quantization = pixmp->quantization; 339 inst->xfer_func = pixmp->xfer_func; 340 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 341 } 342 343 memset(&format, 0, sizeof(format)); 344 345 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 346 format.fmt.pix_mp.pixelformat = pixfmt_cap; 347 format.fmt.pix_mp.width = orig_pixmp.width; 348 format.fmt.pix_mp.height = orig_pixmp.height; 349 vdec_try_fmt_common(inst, &format); 350 351 inst->width = format.fmt.pix_mp.width; 352 inst->height = format.fmt.pix_mp.height; 353 inst->crop.top = 0; 354 inst->crop.left = 0; 355 inst->crop.width = inst->width; 356 inst->crop.height = inst->height; 357 358 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 359 inst->fmt_out = fmt; 360 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 361 inst->fmt_cap = fmt; 362 inst->output2_buf_size = 363 venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height); 364 } 365 366 return 0; 367 } 368 369 static int 370 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 371 { 372 struct venus_inst *inst = to_inst(file); 373 374 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 375 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 376 return -EINVAL; 377 378 s->r.top = 0; 379 s->r.left = 0; 380 381 switch (s->target) { 382 case V4L2_SEL_TGT_CROP_BOUNDS: 383 case V4L2_SEL_TGT_CROP_DEFAULT: 384 case V4L2_SEL_TGT_CROP: 385 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 386 return -EINVAL; 387 s->r.width = inst->out_width; 388 s->r.height = inst->out_height; 389 break; 390 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 391 case V4L2_SEL_TGT_COMPOSE_PADDED: 392 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 393 return -EINVAL; 394 s->r.width = inst->width; 395 s->r.height = inst->height; 396 break; 397 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 398 case V4L2_SEL_TGT_COMPOSE: 399 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 400 return -EINVAL; 401 s->r = inst->crop; 402 break; 403 default: 404 return -EINVAL; 405 } 406 407 return 0; 408 } 409 410 static int 411 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 412 { 413 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 414 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 415 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 416 417 return 0; 418 } 419 420 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 421 { 422 struct venus_inst *inst = to_inst(file); 423 const struct venus_format *fmt; 424 425 memset(f->reserved, 0, sizeof(f->reserved)); 426 427 fmt = find_format_by_index(inst, f->index, f->type); 428 if (!fmt) 429 return -EINVAL; 430 431 f->pixelformat = fmt->pixfmt; 432 f->flags = fmt->flags; 433 434 return 0; 435 } 436 437 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 438 { 439 struct venus_inst *inst = to_inst(file); 440 struct v4l2_captureparm *cap = &a->parm.capture; 441 struct v4l2_fract *timeperframe = &cap->timeperframe; 442 u64 us_per_frame, fps; 443 444 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 445 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 446 return -EINVAL; 447 448 memset(cap->reserved, 0, sizeof(cap->reserved)); 449 if (!timeperframe->denominator) 450 timeperframe->denominator = inst->timeperframe.denominator; 451 if (!timeperframe->numerator) 452 timeperframe->numerator = inst->timeperframe.numerator; 453 cap->readbuffers = 0; 454 cap->extendedmode = 0; 455 cap->capability = V4L2_CAP_TIMEPERFRAME; 456 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 457 do_div(us_per_frame, timeperframe->denominator); 458 459 if (!us_per_frame) 460 return -EINVAL; 461 462 fps = (u64)USEC_PER_SEC; 463 do_div(fps, us_per_frame); 464 465 inst->fps = fps; 466 inst->timeperframe = *timeperframe; 467 468 return 0; 469 } 470 471 static int vdec_enum_framesizes(struct file *file, void *fh, 472 struct v4l2_frmsizeenum *fsize) 473 { 474 struct venus_inst *inst = to_inst(file); 475 const struct venus_format *fmt; 476 477 fmt = find_format(inst, fsize->pixel_format, 478 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 479 if (!fmt) { 480 fmt = find_format(inst, fsize->pixel_format, 481 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 482 if (!fmt) 483 return -EINVAL; 484 } 485 486 if (fsize->index) 487 return -EINVAL; 488 489 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 490 491 fsize->stepwise.min_width = frame_width_min(inst); 492 fsize->stepwise.max_width = frame_width_max(inst); 493 fsize->stepwise.step_width = frame_width_step(inst); 494 fsize->stepwise.min_height = frame_height_min(inst); 495 fsize->stepwise.max_height = frame_height_max(inst); 496 fsize->stepwise.step_height = frame_height_step(inst); 497 498 return 0; 499 } 500 501 static int vdec_subscribe_event(struct v4l2_fh *fh, 502 const struct v4l2_event_subscription *sub) 503 { 504 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 505 int ret; 506 507 switch (sub->type) { 508 case V4L2_EVENT_EOS: 509 return v4l2_event_subscribe(fh, sub, 2, NULL); 510 case V4L2_EVENT_SOURCE_CHANGE: 511 ret = v4l2_src_change_event_subscribe(fh, sub); 512 if (ret) 513 return ret; 514 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 515 return 0; 516 case V4L2_EVENT_CTRL: 517 return v4l2_ctrl_subscribe_event(fh, sub); 518 default: 519 return -EINVAL; 520 } 521 } 522 523 static int 524 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 525 { 526 struct venus_inst *inst = to_inst(file); 527 struct hfi_frame_data fdata = {0}; 528 int ret; 529 530 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 531 if (ret) 532 return ret; 533 534 mutex_lock(&inst->lock); 535 536 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 537 /* 538 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 539 * decoder input to signal EOS. 540 */ 541 if (!(inst->streamon_out && inst->streamon_cap)) 542 goto unlock; 543 544 fdata.buffer_type = HFI_BUFFER_INPUT; 545 fdata.flags |= HFI_BUFFERFLAG_EOS; 546 if (IS_V6(inst->core)) 547 fdata.device_addr = 0; 548 else 549 fdata.device_addr = 0xdeadb000; 550 551 ret = hfi_session_process_buf(inst, &fdata); 552 553 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 554 inst->codec_state = VENUS_DEC_STATE_DRAIN; 555 inst->drain_active = true; 556 } 557 } 558 559 unlock: 560 mutex_unlock(&inst->lock); 561 return ret; 562 } 563 564 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 565 .vidioc_querycap = vdec_querycap, 566 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 567 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 568 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 569 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 570 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 571 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 572 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 573 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 574 .vidioc_g_selection = vdec_g_selection, 575 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 576 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 577 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 578 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 579 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 580 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 581 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 582 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 583 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 584 .vidioc_s_parm = vdec_s_parm, 585 .vidioc_enum_framesizes = vdec_enum_framesizes, 586 .vidioc_subscribe_event = vdec_subscribe_event, 587 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 588 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 589 .vidioc_decoder_cmd = vdec_decoder_cmd, 590 }; 591 592 static int vdec_pm_get(struct venus_inst *inst) 593 { 594 struct venus_core *core = inst->core; 595 struct device *dev = core->dev_dec; 596 int ret; 597 598 mutex_lock(&core->pm_lock); 599 ret = pm_runtime_resume_and_get(dev); 600 mutex_unlock(&core->pm_lock); 601 602 return ret; 603 } 604 605 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 606 { 607 struct venus_core *core = inst->core; 608 struct device *dev = core->dev_dec; 609 int ret; 610 611 mutex_lock(&core->pm_lock); 612 613 if (autosuspend) 614 ret = pm_runtime_put_autosuspend(dev); 615 else 616 ret = pm_runtime_put_sync(dev); 617 618 mutex_unlock(&core->pm_lock); 619 620 return ret < 0 ? ret : 0; 621 } 622 623 static int vdec_pm_get_put(struct venus_inst *inst) 624 { 625 struct venus_core *core = inst->core; 626 struct device *dev = core->dev_dec; 627 int ret = 0; 628 629 mutex_lock(&core->pm_lock); 630 631 if (pm_runtime_suspended(dev)) { 632 ret = pm_runtime_resume_and_get(dev); 633 if (ret < 0) 634 goto error; 635 636 ret = pm_runtime_put_autosuspend(dev); 637 } 638 639 error: 640 mutex_unlock(&core->pm_lock); 641 642 return ret < 0 ? ret : 0; 643 } 644 645 static void vdec_pm_touch(struct venus_inst *inst) 646 { 647 pm_runtime_mark_last_busy(inst->core->dev_dec); 648 } 649 650 static int vdec_set_properties(struct venus_inst *inst) 651 { 652 struct vdec_controls *ctr = &inst->controls.dec; 653 struct hfi_enable en = { .enable = 1 }; 654 u32 ptype, decode_order, conceal; 655 int ret; 656 657 if (ctr->post_loop_deb_mode) { 658 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 659 ret = hfi_session_set_property(inst, ptype, &en); 660 if (ret) 661 return ret; 662 } 663 664 if (ctr->display_delay_enable && ctr->display_delay == 0) { 665 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; 666 decode_order = HFI_OUTPUT_ORDER_DECODE; 667 ret = hfi_session_set_property(inst, ptype, &decode_order); 668 if (ret) 669 return ret; 670 } 671 672 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; 673 conceal = ctr->conceal_color & 0xffff; 674 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; 675 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; 676 677 ret = hfi_session_set_property(inst, ptype, &conceal); 678 if (ret) 679 return ret; 680 681 return 0; 682 } 683 684 static int vdec_set_work_route(struct venus_inst *inst) 685 { 686 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE; 687 struct hfi_video_work_route wr; 688 689 if (!IS_V6(inst->core)) 690 return 0; 691 692 wr.video_work_route = inst->core->res->num_vpp_pipes; 693 694 return hfi_session_set_property(inst, ptype, &wr); 695 } 696 697 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 698 699 static int vdec_output_conf(struct venus_inst *inst) 700 { 701 struct venus_core *core = inst->core; 702 struct hfi_enable en = { .enable = 1 }; 703 struct hfi_buffer_requirements bufreq; 704 u32 width = inst->width; 705 u32 height = inst->height; 706 u32 out_fmt, out2_fmt; 707 bool ubwc = false; 708 u32 ptype; 709 int ret; 710 711 ret = venus_helper_set_work_mode(inst); 712 if (ret) 713 return ret; 714 715 if (core->res->hfi_version == HFI_VERSION_1XX) { 716 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 717 ret = hfi_session_set_property(inst, ptype, &en); 718 if (ret) 719 return ret; 720 } 721 722 /* Force searching UBWC formats for bigger then HD resolutions */ 723 if (width > 1920 && height > ALIGN(1080, 32)) 724 ubwc = true; 725 726 /* For Venus v4/v6 UBWC format is mandatory */ 727 if (IS_V4(core) || IS_V6(core)) 728 ubwc = true; 729 730 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 731 &out2_fmt, ubwc); 732 if (ret) 733 return ret; 734 735 inst->output_buf_size = 736 venus_helper_get_framesz_raw(out_fmt, width, height); 737 inst->output2_buf_size = 738 venus_helper_get_framesz_raw(out2_fmt, width, height); 739 740 if (is_ubwc_fmt(out_fmt)) { 741 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 742 inst->opb_fmt = out2_fmt; 743 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 744 inst->dpb_fmt = out_fmt; 745 } else if (is_ubwc_fmt(out2_fmt)) { 746 inst->opb_buftype = HFI_BUFFER_OUTPUT; 747 inst->opb_fmt = out_fmt; 748 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 749 inst->dpb_fmt = out2_fmt; 750 } else { 751 inst->opb_buftype = HFI_BUFFER_OUTPUT; 752 inst->opb_fmt = out_fmt; 753 inst->dpb_buftype = 0; 754 inst->dpb_fmt = 0; 755 } 756 757 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 758 inst->opb_buftype); 759 if (ret) 760 return ret; 761 762 ret = venus_helper_set_format_constraints(inst); 763 if (ret) 764 return ret; 765 766 if (inst->dpb_fmt) { 767 ret = venus_helper_set_multistream(inst, false, true); 768 if (ret) 769 return ret; 770 771 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 772 inst->dpb_buftype); 773 if (ret) 774 return ret; 775 776 ret = venus_helper_set_output_resolution(inst, width, height, 777 HFI_BUFFER_OUTPUT2); 778 if (ret) 779 return ret; 780 } 781 782 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { 783 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 784 if (ret) 785 return ret; 786 787 if (bufreq.size > inst->output_buf_size) 788 return -EINVAL; 789 790 if (inst->dpb_fmt) { 791 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 792 &bufreq); 793 if (ret) 794 return ret; 795 796 if (bufreq.size > inst->output2_buf_size) 797 return -EINVAL; 798 } 799 800 if (inst->output2_buf_size) { 801 ret = venus_helper_set_bufsize(inst, 802 inst->output2_buf_size, 803 HFI_BUFFER_OUTPUT2); 804 if (ret) 805 return ret; 806 } 807 808 if (inst->output_buf_size) { 809 ret = venus_helper_set_bufsize(inst, 810 inst->output_buf_size, 811 HFI_BUFFER_OUTPUT); 812 if (ret) 813 return ret; 814 } 815 } 816 817 ret = venus_helper_set_dyn_bufmode(inst); 818 if (ret) 819 return ret; 820 821 return 0; 822 } 823 824 static int vdec_session_init(struct venus_inst *inst) 825 { 826 int ret; 827 828 ret = venus_helper_session_init(inst); 829 if (ret == -EALREADY) 830 return 0; 831 else if (ret) 832 return ret; 833 834 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 835 frame_height_min(inst)); 836 if (ret) 837 goto deinit; 838 839 return 0; 840 deinit: 841 hfi_session_deinit(inst); 842 return ret; 843 } 844 845 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 846 unsigned int *out_num) 847 { 848 enum hfi_version ver = inst->core->res->hfi_version; 849 struct hfi_buffer_requirements bufreq; 850 int ret; 851 852 *in_num = *out_num = 0; 853 854 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 855 if (ret) 856 return ret; 857 858 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 859 860 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 861 if (ret) 862 return ret; 863 864 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 865 866 return 0; 867 } 868 869 static int vdec_queue_setup(struct vb2_queue *q, 870 unsigned int *num_buffers, unsigned int *num_planes, 871 unsigned int sizes[], struct device *alloc_devs[]) 872 { 873 struct venus_inst *inst = vb2_get_drv_priv(q); 874 struct venus_core *core = inst->core; 875 unsigned int in_num, out_num; 876 int ret = 0; 877 878 if (*num_planes) { 879 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 880 881 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 882 *num_planes != inst->fmt_out->num_planes) 883 return -EINVAL; 884 885 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 886 *num_planes != inst->fmt_cap->num_planes) 887 return -EINVAL; 888 889 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 890 sizes[0] < inst->input_buf_size) 891 return -EINVAL; 892 893 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 894 sizes[0] < output_buf_size) 895 return -EINVAL; 896 897 return 0; 898 } 899 900 if (test_bit(0, &core->sys_error)) { 901 if (inst->nonblock) 902 return -EAGAIN; 903 904 ret = wait_event_interruptible(core->sys_err_done, 905 !test_bit(0, &core->sys_error)); 906 if (ret) 907 return ret; 908 } 909 910 ret = vdec_pm_get(inst); 911 if (ret) 912 return ret; 913 914 ret = vdec_session_init(inst); 915 if (ret) 916 goto put_power; 917 918 ret = vdec_num_buffers(inst, &in_num, &out_num); 919 if (ret) 920 goto put_power; 921 922 ret = vdec_pm_put(inst, false); 923 if (ret) 924 return ret; 925 926 switch (q->type) { 927 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 928 *num_planes = inst->fmt_out->num_planes; 929 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 930 inst->out_width, 931 inst->out_height); 932 sizes[0] = max(sizes[0], inst->input_buf_size); 933 inst->input_buf_size = sizes[0]; 934 *num_buffers = max(*num_buffers, in_num); 935 inst->num_input_bufs = *num_buffers; 936 inst->num_output_bufs = out_num; 937 break; 938 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 939 *num_planes = inst->fmt_cap->num_planes; 940 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 941 inst->width, 942 inst->height); 943 inst->output_buf_size = sizes[0]; 944 *num_buffers = max(*num_buffers, out_num); 945 inst->num_output_bufs = *num_buffers; 946 947 mutex_lock(&inst->lock); 948 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 949 inst->codec_state = VENUS_DEC_STATE_STOPPED; 950 mutex_unlock(&inst->lock); 951 break; 952 default: 953 ret = -EINVAL; 954 break; 955 } 956 957 return ret; 958 959 put_power: 960 vdec_pm_put(inst, false); 961 return ret; 962 } 963 964 static int vdec_verify_conf(struct venus_inst *inst) 965 { 966 enum hfi_version ver = inst->core->res->hfi_version; 967 struct hfi_buffer_requirements bufreq; 968 int ret; 969 970 if (!inst->num_input_bufs || !inst->num_output_bufs) 971 return -EINVAL; 972 973 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 974 if (ret) 975 return ret; 976 977 if (inst->num_output_bufs < bufreq.count_actual || 978 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 979 return -EINVAL; 980 981 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 982 if (ret) 983 return ret; 984 985 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 986 return -EINVAL; 987 988 return 0; 989 } 990 991 static int vdec_start_capture(struct venus_inst *inst) 992 { 993 int ret; 994 995 if (!inst->streamon_out) 996 return 0; 997 998 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 999 if (inst->reconfig) 1000 goto reconfigure; 1001 1002 venus_helper_queue_dpb_bufs(inst); 1003 venus_helper_process_initial_cap_bufs(inst); 1004 inst->streamon_cap = 1; 1005 return 0; 1006 } 1007 1008 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 1009 return 0; 1010 1011 reconfigure: 1012 ret = vdec_output_conf(inst); 1013 if (ret) 1014 return ret; 1015 1016 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1017 VB2_MAX_FRAME, VB2_MAX_FRAME); 1018 if (ret) 1019 return ret; 1020 1021 ret = venus_helper_intbufs_realloc(inst); 1022 if (ret) 1023 goto err; 1024 1025 venus_pm_load_scale(inst); 1026 1027 inst->next_buf_last = false; 1028 1029 ret = venus_helper_alloc_dpb_bufs(inst); 1030 if (ret) 1031 goto err; 1032 1033 ret = hfi_session_continue(inst); 1034 if (ret) 1035 goto free_dpb_bufs; 1036 1037 ret = venus_helper_queue_dpb_bufs(inst); 1038 if (ret) 1039 goto free_dpb_bufs; 1040 1041 ret = venus_helper_process_initial_cap_bufs(inst); 1042 if (ret) 1043 goto free_dpb_bufs; 1044 1045 inst->codec_state = VENUS_DEC_STATE_DECODING; 1046 1047 if (inst->drain_active) 1048 inst->codec_state = VENUS_DEC_STATE_DRAIN; 1049 1050 inst->streamon_cap = 1; 1051 inst->sequence_cap = 0; 1052 inst->reconfig = false; 1053 inst->drain_active = false; 1054 1055 return 0; 1056 1057 free_dpb_bufs: 1058 venus_helper_free_dpb_bufs(inst); 1059 err: 1060 return ret; 1061 } 1062 1063 static int vdec_start_output(struct venus_inst *inst) 1064 { 1065 int ret; 1066 1067 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1068 ret = venus_helper_process_initial_out_bufs(inst); 1069 if (inst->next_buf_last) 1070 inst->codec_state = VENUS_DEC_STATE_DRC; 1071 else 1072 inst->codec_state = VENUS_DEC_STATE_DECODING; 1073 goto done; 1074 } 1075 1076 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1077 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1078 ret = venus_helper_process_initial_out_bufs(inst); 1079 goto done; 1080 } 1081 1082 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1083 return -EINVAL; 1084 1085 venus_helper_init_instance(inst); 1086 inst->sequence_out = 0; 1087 inst->reconfig = false; 1088 inst->next_buf_last = false; 1089 1090 ret = vdec_set_properties(inst); 1091 if (ret) 1092 return ret; 1093 1094 ret = vdec_set_work_route(inst); 1095 if (ret) 1096 return ret; 1097 1098 ret = vdec_output_conf(inst); 1099 if (ret) 1100 return ret; 1101 1102 ret = vdec_verify_conf(inst); 1103 if (ret) 1104 return ret; 1105 1106 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1107 VB2_MAX_FRAME, VB2_MAX_FRAME); 1108 if (ret) 1109 return ret; 1110 1111 ret = venus_helper_vb2_start_streaming(inst); 1112 if (ret) 1113 return ret; 1114 1115 ret = venus_helper_process_initial_out_bufs(inst); 1116 if (ret) 1117 return ret; 1118 1119 inst->codec_state = VENUS_DEC_STATE_INIT; 1120 1121 done: 1122 inst->streamon_out = 1; 1123 return ret; 1124 } 1125 1126 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1127 { 1128 struct venus_inst *inst = vb2_get_drv_priv(q); 1129 int ret; 1130 1131 mutex_lock(&inst->lock); 1132 1133 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1134 ret = vdec_start_capture(inst); 1135 } else { 1136 ret = vdec_pm_get(inst); 1137 if (ret) 1138 goto error; 1139 1140 ret = venus_pm_acquire_core(inst); 1141 if (ret) 1142 goto put_power; 1143 1144 ret = vdec_pm_put(inst, true); 1145 if (ret) 1146 goto error; 1147 1148 ret = vdec_start_output(inst); 1149 } 1150 1151 if (ret) 1152 goto error; 1153 1154 mutex_unlock(&inst->lock); 1155 return 0; 1156 1157 put_power: 1158 vdec_pm_put(inst, false); 1159 error: 1160 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1161 mutex_unlock(&inst->lock); 1162 return ret; 1163 } 1164 1165 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1166 { 1167 struct vb2_v4l2_buffer *buf; 1168 1169 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1170 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1171 } 1172 1173 static int vdec_stop_capture(struct venus_inst *inst) 1174 { 1175 int ret = 0; 1176 1177 switch (inst->codec_state) { 1178 case VENUS_DEC_STATE_DECODING: 1179 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1180 fallthrough; 1181 case VENUS_DEC_STATE_DRAIN: 1182 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1183 inst->drain_active = false; 1184 fallthrough; 1185 case VENUS_DEC_STATE_SEEK: 1186 vdec_cancel_dst_buffers(inst); 1187 break; 1188 case VENUS_DEC_STATE_DRC: 1189 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1190 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1191 venus_helper_free_dpb_bufs(inst); 1192 break; 1193 default: 1194 break; 1195 } 1196 1197 return ret; 1198 } 1199 1200 static int vdec_stop_output(struct venus_inst *inst) 1201 { 1202 int ret = 0; 1203 1204 switch (inst->codec_state) { 1205 case VENUS_DEC_STATE_DECODING: 1206 case VENUS_DEC_STATE_DRAIN: 1207 case VENUS_DEC_STATE_STOPPED: 1208 case VENUS_DEC_STATE_DRC: 1209 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1210 inst->codec_state = VENUS_DEC_STATE_SEEK; 1211 break; 1212 case VENUS_DEC_STATE_INIT: 1213 case VENUS_DEC_STATE_CAPTURE_SETUP: 1214 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1215 break; 1216 default: 1217 break; 1218 } 1219 1220 return ret; 1221 } 1222 1223 static void vdec_stop_streaming(struct vb2_queue *q) 1224 { 1225 struct venus_inst *inst = vb2_get_drv_priv(q); 1226 int ret = -EINVAL; 1227 1228 vdec_pm_get_put(inst); 1229 1230 mutex_lock(&inst->lock); 1231 1232 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1233 ret = vdec_stop_capture(inst); 1234 else 1235 ret = vdec_stop_output(inst); 1236 1237 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1238 1239 inst->session_error = 0; 1240 1241 if (ret) 1242 goto unlock; 1243 1244 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1245 inst->streamon_out = 0; 1246 else 1247 inst->streamon_cap = 0; 1248 1249 unlock: 1250 mutex_unlock(&inst->lock); 1251 } 1252 1253 static void vdec_session_release(struct venus_inst *inst) 1254 { 1255 struct venus_core *core = inst->core; 1256 int ret, abort = 0; 1257 1258 vdec_pm_get(inst); 1259 1260 mutex_lock(&inst->lock); 1261 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1262 1263 ret = hfi_session_stop(inst); 1264 abort = (ret && ret != -EINVAL) ? 1 : 0; 1265 ret = hfi_session_unload_res(inst); 1266 abort = (ret && ret != -EINVAL) ? 1 : 0; 1267 ret = venus_helper_unregister_bufs(inst); 1268 abort = (ret && ret != -EINVAL) ? 1 : 0; 1269 ret = venus_helper_intbufs_free(inst); 1270 abort = (ret && ret != -EINVAL) ? 1 : 0; 1271 ret = hfi_session_deinit(inst); 1272 abort = (ret && ret != -EINVAL) ? 1 : 0; 1273 1274 if (inst->session_error || test_bit(0, &core->sys_error)) 1275 abort = 1; 1276 1277 if (abort) 1278 hfi_session_abort(inst); 1279 1280 venus_helper_free_dpb_bufs(inst); 1281 venus_pm_load_scale(inst); 1282 INIT_LIST_HEAD(&inst->registeredbufs); 1283 mutex_unlock(&inst->lock); 1284 1285 venus_pm_release_core(inst); 1286 vdec_pm_put(inst, false); 1287 } 1288 1289 static int vdec_buf_init(struct vb2_buffer *vb) 1290 { 1291 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1292 1293 inst->buf_count++; 1294 1295 return venus_helper_vb2_buf_init(vb); 1296 } 1297 1298 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1299 { 1300 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1301 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1302 struct venus_buffer *buf = to_venus_buffer(vbuf); 1303 1304 mutex_lock(&inst->lock); 1305 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1306 if (!list_empty(&inst->registeredbufs)) 1307 list_del_init(&buf->reg_list); 1308 mutex_unlock(&inst->lock); 1309 1310 inst->buf_count--; 1311 if (!inst->buf_count) 1312 vdec_session_release(inst); 1313 } 1314 1315 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1316 { 1317 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1318 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1319 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1320 1321 vdec_pm_get_put(inst); 1322 1323 mutex_lock(&inst->lock); 1324 1325 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1326 inst->codec_state == VENUS_DEC_STATE_DRC) { 1327 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1328 vbuf->sequence = inst->sequence_cap++; 1329 vbuf->field = V4L2_FIELD_NONE; 1330 vb2_set_plane_payload(vb, 0, 0); 1331 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1332 v4l2_event_queue_fh(&inst->fh, &eos); 1333 inst->next_buf_last = false; 1334 mutex_unlock(&inst->lock); 1335 return; 1336 } 1337 1338 venus_helper_vb2_buf_queue(vb); 1339 mutex_unlock(&inst->lock); 1340 } 1341 1342 static const struct vb2_ops vdec_vb2_ops = { 1343 .queue_setup = vdec_queue_setup, 1344 .buf_init = vdec_buf_init, 1345 .buf_cleanup = vdec_buf_cleanup, 1346 .buf_prepare = venus_helper_vb2_buf_prepare, 1347 .start_streaming = vdec_start_streaming, 1348 .stop_streaming = vdec_stop_streaming, 1349 .buf_queue = vdec_vb2_buf_queue, 1350 }; 1351 1352 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1353 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1354 u32 hfi_flags, u64 timestamp_us) 1355 { 1356 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1357 struct vb2_v4l2_buffer *vbuf; 1358 struct vb2_buffer *vb; 1359 unsigned int type; 1360 1361 vdec_pm_touch(inst); 1362 1363 if (buf_type == HFI_BUFFER_INPUT) 1364 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1365 else 1366 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1367 1368 vbuf = venus_helper_find_buf(inst, type, tag); 1369 if (!vbuf) { 1370 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag); 1371 return; 1372 } 1373 1374 vbuf->flags = flags; 1375 vbuf->field = V4L2_FIELD_NONE; 1376 vb = &vbuf->vb2_buf; 1377 1378 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1379 vb2_set_plane_payload(vb, 0, bytesused); 1380 vb->planes[0].data_offset = data_offset; 1381 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1382 vbuf->sequence = inst->sequence_cap++; 1383 1384 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1385 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1386 1387 v4l2_event_queue_fh(&inst->fh, &ev); 1388 1389 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1390 inst->drain_active = false; 1391 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1392 } 1393 } 1394 1395 if (!bytesused) 1396 state = VB2_BUF_STATE_ERROR; 1397 } else { 1398 vbuf->sequence = inst->sequence_out++; 1399 } 1400 1401 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1402 1403 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1404 venus_helper_acquire_buf_ref(vbuf); 1405 1406 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1407 state = VB2_BUF_STATE_ERROR; 1408 1409 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1410 state = VB2_BUF_STATE_ERROR; 1411 vb2_set_plane_payload(vb, 0, 0); 1412 vb->timestamp = 0; 1413 } 1414 1415 v4l2_m2m_buf_done(vbuf, state); 1416 } 1417 1418 static void vdec_event_change(struct venus_inst *inst, 1419 struct hfi_event_data *ev_data, bool sufficient) 1420 { 1421 static const struct v4l2_event ev = { 1422 .type = V4L2_EVENT_SOURCE_CHANGE, 1423 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1424 struct device *dev = inst->core->dev_dec; 1425 struct v4l2_format format = {}; 1426 1427 mutex_lock(&inst->lock); 1428 1429 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1430 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1431 format.fmt.pix_mp.width = ev_data->width; 1432 format.fmt.pix_mp.height = ev_data->height; 1433 1434 vdec_try_fmt_common(inst, &format); 1435 1436 inst->width = format.fmt.pix_mp.width; 1437 inst->height = format.fmt.pix_mp.height; 1438 /* 1439 * Some versions of the firmware do not report crop information for 1440 * all codecs. For these cases, set the crop to the coded resolution. 1441 */ 1442 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1443 inst->crop.left = ev_data->input_crop.left; 1444 inst->crop.top = ev_data->input_crop.top; 1445 inst->crop.width = ev_data->input_crop.width; 1446 inst->crop.height = ev_data->input_crop.height; 1447 } else { 1448 inst->crop.left = 0; 1449 inst->crop.top = 0; 1450 inst->crop.width = ev_data->width; 1451 inst->crop.height = ev_data->height; 1452 } 1453 1454 inst->fw_min_cnt = ev_data->buf_count; 1455 /* overwriting this to 11 for vp9 due to fw bug */ 1456 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) 1457 inst->fw_min_cnt = 11; 1458 1459 inst->out_width = ev_data->width; 1460 inst->out_height = ev_data->height; 1461 1462 if (inst->bit_depth != ev_data->bit_depth) 1463 inst->bit_depth = ev_data->bit_depth; 1464 1465 if (inst->pic_struct != ev_data->pic_struct) 1466 inst->pic_struct = ev_data->pic_struct; 1467 1468 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1469 sufficient ? "" : "not", ev_data->width, ev_data->height); 1470 1471 switch (inst->codec_state) { 1472 case VENUS_DEC_STATE_INIT: 1473 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1474 break; 1475 case VENUS_DEC_STATE_DECODING: 1476 case VENUS_DEC_STATE_DRAIN: 1477 inst->codec_state = VENUS_DEC_STATE_DRC; 1478 break; 1479 default: 1480 break; 1481 } 1482 1483 /* 1484 * The assumption is that the firmware have to return the last buffer 1485 * before this event is received in the v4l2 driver. Also the firmware 1486 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1487 */ 1488 1489 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1490 int ret; 1491 1492 inst->next_buf_last = true; 1493 1494 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1495 if (ret) 1496 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1497 } 1498 1499 inst->next_buf_last = true; 1500 inst->reconfig = true; 1501 v4l2_event_queue_fh(&inst->fh, &ev); 1502 wake_up(&inst->reconf_wait); 1503 1504 mutex_unlock(&inst->lock); 1505 } 1506 1507 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1508 struct hfi_event_data *data) 1509 { 1510 struct venus_core *core = inst->core; 1511 struct device *dev = core->dev_dec; 1512 1513 vdec_pm_touch(inst); 1514 1515 switch (event) { 1516 case EVT_SESSION_ERROR: 1517 inst->session_error = true; 1518 venus_helper_vb2_queue_error(inst); 1519 dev_err(dev, "dec: event session error %x\n", inst->error); 1520 break; 1521 case EVT_SYS_EVENT_CHANGE: 1522 switch (data->event_type) { 1523 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1524 vdec_event_change(inst, data, true); 1525 break; 1526 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1527 vdec_event_change(inst, data, false); 1528 break; 1529 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1530 venus_helper_release_buf_ref(inst, data->tag); 1531 break; 1532 default: 1533 break; 1534 } 1535 break; 1536 default: 1537 break; 1538 } 1539 } 1540 1541 static void vdec_flush_done(struct venus_inst *inst) 1542 { 1543 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1544 } 1545 1546 static const struct hfi_inst_ops vdec_hfi_ops = { 1547 .buf_done = vdec_buf_done, 1548 .event_notify = vdec_event_notify, 1549 .flush_done = vdec_flush_done, 1550 }; 1551 1552 static void vdec_inst_init(struct venus_inst *inst) 1553 { 1554 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1555 inst->fmt_out = &vdec_formats[8]; 1556 inst->fmt_cap = &vdec_formats[0]; 1557 inst->width = frame_width_min(inst); 1558 inst->height = ALIGN(frame_height_min(inst), 32); 1559 inst->crop.left = 0; 1560 inst->crop.top = 0; 1561 inst->crop.width = inst->width; 1562 inst->crop.height = inst->height; 1563 inst->fw_min_cnt = 8; 1564 inst->out_width = frame_width_min(inst); 1565 inst->out_height = frame_height_min(inst); 1566 inst->fps = 30; 1567 inst->timeperframe.numerator = 1; 1568 inst->timeperframe.denominator = 30; 1569 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1570 } 1571 1572 static void vdec_m2m_device_run(void *priv) 1573 { 1574 } 1575 1576 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1577 .device_run = vdec_m2m_device_run, 1578 .job_abort = venus_helper_m2m_job_abort, 1579 }; 1580 1581 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1582 struct vb2_queue *dst_vq) 1583 { 1584 struct venus_inst *inst = priv; 1585 int ret; 1586 1587 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1588 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1589 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1590 src_vq->ops = &vdec_vb2_ops; 1591 src_vq->mem_ops = &vb2_dma_contig_memops; 1592 src_vq->drv_priv = inst; 1593 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1594 src_vq->allow_zero_bytesused = 1; 1595 src_vq->min_buffers_needed = 0; 1596 src_vq->dev = inst->core->dev; 1597 ret = vb2_queue_init(src_vq); 1598 if (ret) 1599 return ret; 1600 1601 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1602 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1603 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1604 dst_vq->ops = &vdec_vb2_ops; 1605 dst_vq->mem_ops = &vb2_dma_contig_memops; 1606 dst_vq->drv_priv = inst; 1607 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1608 dst_vq->allow_zero_bytesused = 1; 1609 dst_vq->min_buffers_needed = 0; 1610 dst_vq->dev = inst->core->dev; 1611 return vb2_queue_init(dst_vq); 1612 } 1613 1614 static int vdec_open(struct file *file) 1615 { 1616 struct venus_core *core = video_drvdata(file); 1617 struct venus_inst *inst; 1618 int ret; 1619 1620 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1621 if (!inst) 1622 return -ENOMEM; 1623 1624 INIT_LIST_HEAD(&inst->dpbbufs); 1625 INIT_LIST_HEAD(&inst->registeredbufs); 1626 INIT_LIST_HEAD(&inst->internalbufs); 1627 INIT_LIST_HEAD(&inst->list); 1628 mutex_init(&inst->lock); 1629 1630 inst->core = core; 1631 inst->session_type = VIDC_SESSION_TYPE_DEC; 1632 inst->num_output_bufs = 1; 1633 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1634 inst->buf_count = 0; 1635 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1636 inst->core_acquired = false; 1637 inst->bit_depth = VIDC_BITDEPTH_8; 1638 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1639 init_waitqueue_head(&inst->reconf_wait); 1640 inst->nonblock = file->f_flags & O_NONBLOCK; 1641 1642 venus_helper_init_instance(inst); 1643 1644 ret = vdec_ctrl_init(inst); 1645 if (ret) 1646 goto err_free; 1647 1648 ret = hfi_session_create(inst, &vdec_hfi_ops); 1649 if (ret) 1650 goto err_ctrl_deinit; 1651 1652 vdec_inst_init(inst); 1653 1654 ida_init(&inst->dpb_ids); 1655 1656 /* 1657 * create m2m device for every instance, the m2m context scheduling 1658 * is made by firmware side so we do not need to care about. 1659 */ 1660 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1661 if (IS_ERR(inst->m2m_dev)) { 1662 ret = PTR_ERR(inst->m2m_dev); 1663 goto err_session_destroy; 1664 } 1665 1666 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1667 if (IS_ERR(inst->m2m_ctx)) { 1668 ret = PTR_ERR(inst->m2m_ctx); 1669 goto err_m2m_release; 1670 } 1671 1672 v4l2_fh_init(&inst->fh, core->vdev_dec); 1673 1674 inst->fh.ctrl_handler = &inst->ctrl_handler; 1675 v4l2_fh_add(&inst->fh); 1676 inst->fh.m2m_ctx = inst->m2m_ctx; 1677 file->private_data = &inst->fh; 1678 1679 return 0; 1680 1681 err_m2m_release: 1682 v4l2_m2m_release(inst->m2m_dev); 1683 err_session_destroy: 1684 hfi_session_destroy(inst); 1685 err_ctrl_deinit: 1686 vdec_ctrl_deinit(inst); 1687 err_free: 1688 kfree(inst); 1689 return ret; 1690 } 1691 1692 static int vdec_close(struct file *file) 1693 { 1694 struct venus_inst *inst = to_inst(file); 1695 1696 vdec_pm_get(inst); 1697 1698 v4l2_m2m_ctx_release(inst->m2m_ctx); 1699 v4l2_m2m_release(inst->m2m_dev); 1700 vdec_ctrl_deinit(inst); 1701 ida_destroy(&inst->dpb_ids); 1702 hfi_session_destroy(inst); 1703 mutex_destroy(&inst->lock); 1704 v4l2_fh_del(&inst->fh); 1705 v4l2_fh_exit(&inst->fh); 1706 1707 vdec_pm_put(inst, false); 1708 1709 kfree(inst); 1710 return 0; 1711 } 1712 1713 static const struct v4l2_file_operations vdec_fops = { 1714 .owner = THIS_MODULE, 1715 .open = vdec_open, 1716 .release = vdec_close, 1717 .unlocked_ioctl = video_ioctl2, 1718 .poll = v4l2_m2m_fop_poll, 1719 .mmap = v4l2_m2m_fop_mmap, 1720 }; 1721 1722 static int vdec_probe(struct platform_device *pdev) 1723 { 1724 struct device *dev = &pdev->dev; 1725 struct video_device *vdev; 1726 struct venus_core *core; 1727 int ret; 1728 1729 if (!dev->parent) 1730 return -EPROBE_DEFER; 1731 1732 core = dev_get_drvdata(dev->parent); 1733 if (!core) 1734 return -EPROBE_DEFER; 1735 1736 platform_set_drvdata(pdev, core); 1737 1738 if (core->pm_ops->vdec_get) { 1739 ret = core->pm_ops->vdec_get(dev); 1740 if (ret) 1741 return ret; 1742 } 1743 1744 vdev = video_device_alloc(); 1745 if (!vdev) 1746 return -ENOMEM; 1747 1748 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1749 vdev->release = video_device_release; 1750 vdev->fops = &vdec_fops; 1751 vdev->ioctl_ops = &vdec_ioctl_ops; 1752 vdev->vfl_dir = VFL_DIR_M2M; 1753 vdev->v4l2_dev = &core->v4l2_dev; 1754 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1755 1756 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1757 if (ret) 1758 goto err_vdev_release; 1759 1760 core->vdev_dec = vdev; 1761 core->dev_dec = dev; 1762 1763 video_set_drvdata(vdev, core); 1764 pm_runtime_set_autosuspend_delay(dev, 2000); 1765 pm_runtime_use_autosuspend(dev); 1766 pm_runtime_enable(dev); 1767 1768 return 0; 1769 1770 err_vdev_release: 1771 video_device_release(vdev); 1772 return ret; 1773 } 1774 1775 static int vdec_remove(struct platform_device *pdev) 1776 { 1777 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1778 1779 video_unregister_device(core->vdev_dec); 1780 pm_runtime_disable(core->dev_dec); 1781 1782 if (core->pm_ops->vdec_put) 1783 core->pm_ops->vdec_put(core->dev_dec); 1784 1785 return 0; 1786 } 1787 1788 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1789 { 1790 struct venus_core *core = dev_get_drvdata(dev); 1791 const struct venus_pm_ops *pm_ops = core->pm_ops; 1792 int ret = 0; 1793 1794 if (pm_ops->vdec_power) 1795 ret = pm_ops->vdec_power(dev, POWER_OFF); 1796 1797 return ret; 1798 } 1799 1800 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1801 { 1802 struct venus_core *core = dev_get_drvdata(dev); 1803 const struct venus_pm_ops *pm_ops = core->pm_ops; 1804 int ret = 0; 1805 1806 if (pm_ops->vdec_power) 1807 ret = pm_ops->vdec_power(dev, POWER_ON); 1808 1809 return ret; 1810 } 1811 1812 static const struct dev_pm_ops vdec_pm_ops = { 1813 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1814 pm_runtime_force_resume) 1815 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1816 }; 1817 1818 static const struct of_device_id vdec_dt_match[] = { 1819 { .compatible = "venus-decoder" }, 1820 { } 1821 }; 1822 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1823 1824 static struct platform_driver qcom_venus_dec_driver = { 1825 .probe = vdec_probe, 1826 .remove = vdec_remove, 1827 .driver = { 1828 .name = "qcom-venus-decoder", 1829 .of_match_table = vdec_dt_match, 1830 .pm = &vdec_pm_ops, 1831 }, 1832 }; 1833 module_platform_driver(qcom_venus_dec_driver); 1834 1835 MODULE_ALIAS("platform:qcom-venus-decoder"); 1836 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1837 MODULE_LICENSE("GPL v2"); 1838