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 [VENUS_FMT_NV12] = { 34 .pixfmt = V4L2_PIX_FMT_NV12, 35 .num_planes = 1, 36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 37 }, 38 [VENUS_FMT_QC08C] = { 39 .pixfmt = V4L2_PIX_FMT_QC08C, 40 .num_planes = 1, 41 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 42 }, 43 [VENUS_FMT_QC10C] = { 44 .pixfmt = V4L2_PIX_FMT_QC10C, 45 .num_planes = 1, 46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 47 }, 48 [VENUS_FMT_P010] = { 49 .pixfmt = V4L2_PIX_FMT_P010, 50 .num_planes = 1, 51 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 52 }, 53 [VENUS_FMT_H264] = { 54 .pixfmt = V4L2_PIX_FMT_H264, 55 .num_planes = 1, 56 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 57 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 58 }, 59 [VENUS_FMT_VP8] = { 60 .pixfmt = V4L2_PIX_FMT_VP8, 61 .num_planes = 1, 62 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 63 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 64 }, 65 [VENUS_FMT_VP9] = { 66 .pixfmt = V4L2_PIX_FMT_VP9, 67 .num_planes = 1, 68 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 69 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 70 }, 71 [VENUS_FMT_HEVC] = { 72 .pixfmt = V4L2_PIX_FMT_HEVC, 73 .num_planes = 1, 74 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 75 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 76 }, 77 [VENUS_FMT_VC1_ANNEX_G] = { 78 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, 79 .num_planes = 1, 80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 82 }, 83 [VENUS_FMT_VC1_ANNEX_L] = { 84 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, 85 .num_planes = 1, 86 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 87 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 88 }, 89 [VENUS_FMT_MPEG4] = { 90 .pixfmt = V4L2_PIX_FMT_MPEG4, 91 .num_planes = 1, 92 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 93 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 94 }, 95 [VENUS_FMT_MPEG2] = { 96 .pixfmt = V4L2_PIX_FMT_MPEG2, 97 .num_planes = 1, 98 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 99 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 100 }, 101 [VENUS_FMT_H263] = { 102 .pixfmt = V4L2_PIX_FMT_H263, 103 .num_planes = 1, 104 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 105 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 106 }, 107 [VENUS_FMT_XVID] = { 108 .pixfmt = V4L2_PIX_FMT_XVID, 109 .num_planes = 1, 110 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 111 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 112 }, 113 114 }; 115 116 static const struct venus_format * 117 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 118 { 119 const struct venus_format *fmt = vdec_formats; 120 unsigned int size = ARRAY_SIZE(vdec_formats); 121 unsigned int i; 122 123 for (i = 0; i < size; i++) { 124 if (fmt[i].pixfmt == pixfmt) 125 break; 126 } 127 128 if (i == size || fmt[i].type != type) 129 return NULL; 130 131 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 132 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 133 return NULL; 134 135 if (V4L2_TYPE_IS_CAPTURE(type) && 136 !venus_helper_check_format(inst, fmt[i].pixfmt)) 137 return NULL; 138 139 if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && 140 !(inst->bit_depth == VIDC_BITDEPTH_10)) 141 return NULL; 142 143 return &fmt[i]; 144 } 145 146 static const struct venus_format * 147 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 148 { 149 const struct venus_format *fmt = vdec_formats; 150 unsigned int size = ARRAY_SIZE(vdec_formats); 151 unsigned int i, k = 0; 152 153 if (index > size) 154 return NULL; 155 156 for (i = 0; i < size; i++) { 157 bool valid = false; 158 159 if (fmt[i].type != type) 160 continue; 161 162 if (V4L2_TYPE_IS_OUTPUT(type)) { 163 valid = venus_helper_check_codec(inst, fmt[i].pixfmt); 164 } else { 165 valid = venus_helper_check_format(inst, fmt[i].pixfmt); 166 167 if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && 168 !(inst->bit_depth == VIDC_BITDEPTH_10)) 169 valid = false; 170 } 171 172 if (k == index && valid) 173 break; 174 if (valid) 175 k++; 176 } 177 178 if (i == size) 179 return NULL; 180 181 return &fmt[i]; 182 } 183 184 static const struct venus_format * 185 vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 186 { 187 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 188 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 189 const struct venus_format *fmt; 190 u32 szimage; 191 192 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 193 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 194 195 fmt = find_format(inst, pixmp->pixelformat, f->type); 196 if (!fmt) { 197 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 198 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 199 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 200 pixmp->pixelformat = V4L2_PIX_FMT_H264; 201 else 202 return NULL; 203 fmt = find_format(inst, pixmp->pixelformat, f->type); 204 if (!fmt) 205 return NULL; 206 } 207 208 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 209 frame_width_max(inst)); 210 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 211 frame_height_max(inst)); 212 213 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 214 pixmp->height = ALIGN(pixmp->height, 32); 215 216 if (pixmp->field == V4L2_FIELD_ANY) 217 pixmp->field = V4L2_FIELD_NONE; 218 pixmp->num_planes = fmt->num_planes; 219 pixmp->flags = 0; 220 221 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, 222 pixmp->height); 223 224 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 225 unsigned int stride = pixmp->width; 226 227 if (pixmp->pixelformat == V4L2_PIX_FMT_P010) 228 stride *= 2; 229 230 pfmt[0].sizeimage = szimage; 231 pfmt[0].bytesperline = ALIGN(stride, 128); 232 } else { 233 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); 234 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); 235 pfmt[0].bytesperline = 0; 236 } 237 238 return fmt; 239 } 240 241 static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 242 { 243 struct venus_inst *inst = to_inst(file); 244 245 vdec_try_fmt_common(inst, f); 246 247 return 0; 248 } 249 250 static int vdec_check_src_change(struct venus_inst *inst) 251 { 252 int ret; 253 254 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && 255 inst->codec_state == VENUS_DEC_STATE_INIT && 256 !inst->reconfig) 257 return -EINVAL; 258 259 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) 260 return 0; 261 262 /* 263 * The code snippet below is a workaround for backward compatibility 264 * with applications which doesn't support V4L2 events. It will be 265 * dropped in future once those applications are fixed. 266 */ 267 268 if (inst->codec_state != VENUS_DEC_STATE_INIT) 269 goto done; 270 271 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, 272 msecs_to_jiffies(100)); 273 if (!ret) 274 return -EINVAL; 275 276 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || 277 !inst->reconfig) 278 dev_dbg(inst->core->dev, VDBGH "wrong state\n"); 279 280 done: 281 return 0; 282 } 283 284 static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 285 { 286 struct venus_inst *inst = to_inst(file); 287 const struct venus_format *fmt = NULL; 288 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 289 int ret; 290 291 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 292 fmt = inst->fmt_cap; 293 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 294 fmt = inst->fmt_out; 295 296 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 297 ret = vdec_check_src_change(inst); 298 if (ret) 299 return ret; 300 } 301 302 pixmp->pixelformat = fmt->pixfmt; 303 304 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 305 pixmp->width = inst->width; 306 pixmp->height = inst->height; 307 pixmp->colorspace = inst->colorspace; 308 pixmp->ycbcr_enc = inst->ycbcr_enc; 309 pixmp->quantization = inst->quantization; 310 pixmp->xfer_func = inst->xfer_func; 311 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 312 pixmp->width = inst->out_width; 313 pixmp->height = inst->out_height; 314 } 315 316 vdec_try_fmt_common(inst, f); 317 318 return 0; 319 } 320 321 static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 322 { 323 struct venus_inst *inst = to_inst(file); 324 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 325 struct v4l2_pix_format_mplane orig_pixmp; 326 const struct venus_format *fmt; 327 struct v4l2_format format; 328 u32 pixfmt_out = 0, pixfmt_cap = 0; 329 struct vb2_queue *q; 330 331 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 332 if (!q) 333 return -EINVAL; 334 335 if (vb2_is_busy(q)) 336 return -EBUSY; 337 338 orig_pixmp = *pixmp; 339 340 fmt = vdec_try_fmt_common(inst, f); 341 342 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 343 pixfmt_out = pixmp->pixelformat; 344 pixfmt_cap = inst->fmt_cap->pixfmt; 345 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 346 pixfmt_cap = pixmp->pixelformat; 347 pixfmt_out = inst->fmt_out->pixfmt; 348 } 349 350 memset(&format, 0, sizeof(format)); 351 352 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 353 format.fmt.pix_mp.pixelformat = pixfmt_out; 354 format.fmt.pix_mp.width = orig_pixmp.width; 355 format.fmt.pix_mp.height = orig_pixmp.height; 356 vdec_try_fmt_common(inst, &format); 357 358 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 359 inst->out_width = format.fmt.pix_mp.width; 360 inst->out_height = format.fmt.pix_mp.height; 361 inst->colorspace = pixmp->colorspace; 362 inst->ycbcr_enc = pixmp->ycbcr_enc; 363 inst->quantization = pixmp->quantization; 364 inst->xfer_func = pixmp->xfer_func; 365 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 366 } 367 368 memset(&format, 0, sizeof(format)); 369 370 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 371 format.fmt.pix_mp.pixelformat = pixfmt_cap; 372 format.fmt.pix_mp.width = orig_pixmp.width; 373 format.fmt.pix_mp.height = orig_pixmp.height; 374 vdec_try_fmt_common(inst, &format); 375 376 inst->width = format.fmt.pix_mp.width; 377 inst->height = format.fmt.pix_mp.height; 378 inst->crop.top = 0; 379 inst->crop.left = 0; 380 inst->crop.width = inst->width; 381 inst->crop.height = inst->height; 382 383 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 384 inst->fmt_out = fmt; 385 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 386 inst->fmt_cap = fmt; 387 inst->output2_buf_size = 388 venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height); 389 } 390 391 return 0; 392 } 393 394 static int 395 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 396 { 397 struct venus_inst *inst = to_inst(file); 398 399 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 400 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 401 return -EINVAL; 402 403 s->r.top = 0; 404 s->r.left = 0; 405 406 switch (s->target) { 407 case V4L2_SEL_TGT_CROP_BOUNDS: 408 case V4L2_SEL_TGT_CROP_DEFAULT: 409 case V4L2_SEL_TGT_CROP: 410 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 411 return -EINVAL; 412 s->r.width = inst->out_width; 413 s->r.height = inst->out_height; 414 break; 415 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 416 case V4L2_SEL_TGT_COMPOSE_PADDED: 417 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 418 return -EINVAL; 419 s->r.width = inst->width; 420 s->r.height = inst->height; 421 break; 422 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 423 case V4L2_SEL_TGT_COMPOSE: 424 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 425 return -EINVAL; 426 s->r = inst->crop; 427 break; 428 default: 429 return -EINVAL; 430 } 431 432 return 0; 433 } 434 435 static int 436 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 437 { 438 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 439 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 440 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 441 442 return 0; 443 } 444 445 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 446 { 447 struct venus_inst *inst = to_inst(file); 448 const struct venus_format *fmt; 449 450 memset(f->reserved, 0, sizeof(f->reserved)); 451 452 fmt = find_format_by_index(inst, f->index, f->type); 453 if (!fmt) 454 return -EINVAL; 455 456 f->pixelformat = fmt->pixfmt; 457 f->flags = fmt->flags; 458 459 return 0; 460 } 461 462 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 463 { 464 struct venus_inst *inst = to_inst(file); 465 struct v4l2_captureparm *cap = &a->parm.capture; 466 struct v4l2_fract *timeperframe = &cap->timeperframe; 467 u64 us_per_frame, fps; 468 469 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 470 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 471 return -EINVAL; 472 473 memset(cap->reserved, 0, sizeof(cap->reserved)); 474 if (!timeperframe->denominator) 475 timeperframe->denominator = inst->timeperframe.denominator; 476 if (!timeperframe->numerator) 477 timeperframe->numerator = inst->timeperframe.numerator; 478 cap->readbuffers = 0; 479 cap->extendedmode = 0; 480 cap->capability = V4L2_CAP_TIMEPERFRAME; 481 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 482 do_div(us_per_frame, timeperframe->denominator); 483 484 if (!us_per_frame) 485 return -EINVAL; 486 487 fps = (u64)USEC_PER_SEC; 488 do_div(fps, us_per_frame); 489 490 inst->fps = fps; 491 inst->timeperframe = *timeperframe; 492 493 return 0; 494 } 495 496 static int vdec_enum_framesizes(struct file *file, void *fh, 497 struct v4l2_frmsizeenum *fsize) 498 { 499 struct venus_inst *inst = to_inst(file); 500 const struct venus_format *fmt; 501 502 fmt = find_format(inst, fsize->pixel_format, 503 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 504 if (!fmt) { 505 fmt = find_format(inst, fsize->pixel_format, 506 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 507 if (!fmt) 508 return -EINVAL; 509 } 510 511 if (fsize->index) 512 return -EINVAL; 513 514 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 515 516 fsize->stepwise.min_width = frame_width_min(inst); 517 fsize->stepwise.max_width = frame_width_max(inst); 518 fsize->stepwise.step_width = frame_width_step(inst); 519 fsize->stepwise.min_height = frame_height_min(inst); 520 fsize->stepwise.max_height = frame_height_max(inst); 521 fsize->stepwise.step_height = frame_height_step(inst); 522 523 return 0; 524 } 525 526 static int vdec_subscribe_event(struct v4l2_fh *fh, 527 const struct v4l2_event_subscription *sub) 528 { 529 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 530 int ret; 531 532 switch (sub->type) { 533 case V4L2_EVENT_EOS: 534 return v4l2_event_subscribe(fh, sub, 2, NULL); 535 case V4L2_EVENT_SOURCE_CHANGE: 536 ret = v4l2_src_change_event_subscribe(fh, sub); 537 if (ret) 538 return ret; 539 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 540 return 0; 541 case V4L2_EVENT_CTRL: 542 return v4l2_ctrl_subscribe_event(fh, sub); 543 default: 544 return -EINVAL; 545 } 546 } 547 548 static int 549 vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 550 { 551 struct venus_inst *inst = to_inst(file); 552 struct vb2_queue *dst_vq; 553 struct hfi_frame_data fdata = {0}; 554 int ret; 555 556 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 557 if (ret) 558 return ret; 559 560 mutex_lock(&inst->lock); 561 562 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 563 /* 564 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 565 * decoder input to signal EOS. 566 */ 567 if (!(inst->streamon_out && inst->streamon_cap)) 568 goto unlock; 569 570 fdata.buffer_type = HFI_BUFFER_INPUT; 571 fdata.flags |= HFI_BUFFERFLAG_EOS; 572 if (IS_V6(inst->core) && is_fw_rev_or_older(inst->core, 1, 0, 87)) 573 fdata.device_addr = 0; 574 else 575 fdata.device_addr = 0xdeadb000; 576 577 ret = hfi_session_process_buf(inst, &fdata); 578 579 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 580 inst->codec_state = VENUS_DEC_STATE_DRAIN; 581 inst->drain_active = true; 582 } 583 } else if (cmd->cmd == V4L2_DEC_CMD_START && 584 inst->codec_state == VENUS_DEC_STATE_STOPPED) { 585 dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx, 586 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 587 vb2_clear_last_buffer_dequeued(dst_vq); 588 589 inst->codec_state = VENUS_DEC_STATE_DECODING; 590 } 591 592 unlock: 593 mutex_unlock(&inst->lock); 594 return ret; 595 } 596 597 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 598 .vidioc_querycap = vdec_querycap, 599 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 600 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 601 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 602 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 603 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 604 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 605 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 606 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 607 .vidioc_g_selection = vdec_g_selection, 608 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 609 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 610 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 611 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 612 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 613 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 614 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 615 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 616 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 617 .vidioc_s_parm = vdec_s_parm, 618 .vidioc_enum_framesizes = vdec_enum_framesizes, 619 .vidioc_subscribe_event = vdec_subscribe_event, 620 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 621 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 622 .vidioc_decoder_cmd = vdec_decoder_cmd, 623 }; 624 625 static int vdec_pm_get(struct venus_inst *inst) 626 { 627 struct venus_core *core = inst->core; 628 struct device *dev = core->dev_dec; 629 int ret; 630 631 mutex_lock(&core->pm_lock); 632 ret = pm_runtime_resume_and_get(dev); 633 mutex_unlock(&core->pm_lock); 634 635 return ret; 636 } 637 638 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 639 { 640 struct venus_core *core = inst->core; 641 struct device *dev = core->dev_dec; 642 int ret; 643 644 mutex_lock(&core->pm_lock); 645 646 if (autosuspend) 647 ret = pm_runtime_put_autosuspend(dev); 648 else 649 ret = pm_runtime_put_sync(dev); 650 651 mutex_unlock(&core->pm_lock); 652 653 return ret < 0 ? ret : 0; 654 } 655 656 static int vdec_pm_get_put(struct venus_inst *inst) 657 { 658 struct venus_core *core = inst->core; 659 struct device *dev = core->dev_dec; 660 int ret = 0; 661 662 mutex_lock(&core->pm_lock); 663 664 if (pm_runtime_suspended(dev)) { 665 ret = pm_runtime_resume_and_get(dev); 666 if (ret < 0) 667 goto error; 668 669 ret = pm_runtime_put_autosuspend(dev); 670 } 671 672 error: 673 mutex_unlock(&core->pm_lock); 674 675 return ret < 0 ? ret : 0; 676 } 677 678 static void vdec_pm_touch(struct venus_inst *inst) 679 { 680 pm_runtime_mark_last_busy(inst->core->dev_dec); 681 } 682 683 static int vdec_set_properties(struct venus_inst *inst) 684 { 685 struct vdec_controls *ctr = &inst->controls.dec; 686 struct hfi_enable en = { .enable = 1 }; 687 u32 ptype, decode_order, conceal; 688 int ret; 689 690 if (ctr->post_loop_deb_mode) { 691 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 692 ret = hfi_session_set_property(inst, ptype, &en); 693 if (ret) 694 return ret; 695 } 696 697 if (ctr->display_delay_enable && ctr->display_delay == 0) { 698 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; 699 decode_order = HFI_OUTPUT_ORDER_DECODE; 700 ret = hfi_session_set_property(inst, ptype, &decode_order); 701 if (ret) 702 return ret; 703 } 704 705 /* Enabling sufficient sequence change support for VP9 */ 706 if (is_fw_rev_or_newer(inst->core, 5, 4, 51)) { 707 ptype = HFI_PROPERTY_PARAM_VDEC_ENABLE_SUFFICIENT_SEQCHANGE_EVENT; 708 ret = hfi_session_set_property(inst, ptype, &en); 709 if (ret) 710 return ret; 711 } 712 713 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; 714 conceal = ctr->conceal_color & 0xffff; 715 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; 716 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; 717 718 ret = hfi_session_set_property(inst, ptype, &conceal); 719 if (ret) 720 return ret; 721 722 return 0; 723 } 724 725 static int vdec_set_work_route(struct venus_inst *inst) 726 { 727 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE; 728 struct hfi_video_work_route wr; 729 730 if (!(IS_IRIS2(inst->core) || IS_IRIS2_1(inst->core))) 731 return 0; 732 733 wr.video_work_route = inst->core->res->num_vpp_pipes; 734 735 return hfi_session_set_property(inst, ptype, &wr); 736 } 737 738 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 739 #define is_10bit_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_10_BIT_BASE & \ 740 HFI_COLOR_FORMAT_UBWC_BASE)) 741 742 743 static int vdec_output_conf(struct venus_inst *inst) 744 { 745 struct venus_core *core = inst->core; 746 struct hfi_enable en = { .enable = 1 }; 747 struct hfi_buffer_requirements bufreq; 748 u32 width = inst->width; 749 u32 height = inst->height; 750 u32 out_fmt, out2_fmt; 751 bool ubwc = false; 752 u32 ptype; 753 int ret; 754 755 ret = venus_helper_set_work_mode(inst); 756 if (ret) 757 return ret; 758 759 if (core->res->hfi_version == HFI_VERSION_1XX) { 760 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 761 ret = hfi_session_set_property(inst, ptype, &en); 762 if (ret) 763 return ret; 764 } 765 766 /* Force searching UBWC formats for bigger then HD resolutions */ 767 if (width > 1920 && height > ALIGN(1080, 32)) 768 ubwc = true; 769 770 /* For Venus v4/v6 UBWC format is mandatory */ 771 if (IS_V4(core) || IS_V6(core)) 772 ubwc = true; 773 774 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 775 &out2_fmt, ubwc); 776 if (ret) 777 return ret; 778 779 inst->output_buf_size = 780 venus_helper_get_framesz_raw(out_fmt, width, height); 781 inst->output2_buf_size = 782 venus_helper_get_framesz_raw(out2_fmt, width, height); 783 784 if (is_ubwc_fmt(out_fmt)) { 785 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 786 inst->opb_fmt = out2_fmt; 787 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 788 inst->dpb_fmt = out_fmt; 789 } else if (is_ubwc_fmt(out2_fmt) || is_10bit_ubwc_fmt(out_fmt)) { 790 inst->opb_buftype = HFI_BUFFER_OUTPUT; 791 inst->opb_fmt = out_fmt; 792 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 793 inst->dpb_fmt = out2_fmt; 794 } else { 795 inst->opb_buftype = HFI_BUFFER_OUTPUT; 796 inst->opb_fmt = out_fmt; 797 inst->dpb_buftype = 0; 798 inst->dpb_fmt = 0; 799 } 800 801 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 802 inst->opb_buftype); 803 if (ret) 804 return ret; 805 806 ret = venus_helper_set_format_constraints(inst); 807 if (ret) 808 return ret; 809 810 if (inst->dpb_fmt) { 811 ret = venus_helper_set_multistream(inst, false, true); 812 if (ret) 813 return ret; 814 815 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 816 inst->dpb_buftype); 817 if (ret) 818 return ret; 819 820 ret = venus_helper_set_output_resolution(inst, width, height, 821 HFI_BUFFER_OUTPUT2); 822 if (ret) 823 return ret; 824 } 825 826 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { 827 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 828 if (ret) 829 return ret; 830 831 if (bufreq.size > inst->output_buf_size) 832 return -EINVAL; 833 834 if (inst->dpb_fmt) { 835 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 836 &bufreq); 837 if (ret) 838 return ret; 839 840 if (bufreq.size > inst->output2_buf_size) 841 return -EINVAL; 842 } 843 844 if (inst->output2_buf_size) { 845 ret = venus_helper_set_bufsize(inst, 846 inst->output2_buf_size, 847 HFI_BUFFER_OUTPUT2); 848 if (ret) 849 return ret; 850 } 851 852 if (inst->output_buf_size) { 853 ret = venus_helper_set_bufsize(inst, 854 inst->output_buf_size, 855 HFI_BUFFER_OUTPUT); 856 if (ret) 857 return ret; 858 } 859 } 860 861 ret = venus_helper_set_dyn_bufmode(inst); 862 if (ret) 863 return ret; 864 865 return 0; 866 } 867 868 static int vdec_session_init(struct venus_inst *inst) 869 { 870 int ret; 871 872 ret = venus_helper_session_init(inst); 873 if (ret == -EALREADY) 874 return 0; 875 else if (ret) 876 return ret; 877 878 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 879 frame_height_min(inst)); 880 if (ret) 881 goto deinit; 882 883 return 0; 884 deinit: 885 hfi_session_deinit(inst); 886 return ret; 887 } 888 889 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 890 unsigned int *out_num) 891 { 892 enum hfi_version ver = inst->core->res->hfi_version; 893 struct hfi_buffer_requirements bufreq; 894 int ret; 895 896 *in_num = *out_num = 0; 897 898 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 899 if (ret) 900 return ret; 901 902 *in_num = hfi_bufreq_get_count_min(&bufreq, ver); 903 904 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 905 if (ret) 906 return ret; 907 908 *out_num = hfi_bufreq_get_count_min(&bufreq, ver); 909 910 return 0; 911 } 912 913 static int vdec_queue_setup(struct vb2_queue *q, 914 unsigned int *num_buffers, unsigned int *num_planes, 915 unsigned int sizes[], struct device *alloc_devs[]) 916 { 917 struct venus_inst *inst = vb2_get_drv_priv(q); 918 struct venus_core *core = inst->core; 919 unsigned int in_num, out_num; 920 int ret = 0; 921 922 if (*num_planes) { 923 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 924 925 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 926 *num_planes != inst->fmt_out->num_planes) 927 return -EINVAL; 928 929 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 930 *num_planes != inst->fmt_cap->num_planes) 931 return -EINVAL; 932 933 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 934 sizes[0] < inst->input_buf_size) 935 return -EINVAL; 936 937 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 938 sizes[0] < output_buf_size) 939 return -EINVAL; 940 941 return 0; 942 } 943 944 if (test_bit(0, &core->sys_error)) { 945 if (inst->nonblock) 946 return -EAGAIN; 947 948 ret = wait_event_interruptible(core->sys_err_done, 949 !test_bit(0, &core->sys_error)); 950 if (ret) 951 return ret; 952 } 953 954 ret = vdec_pm_get(inst); 955 if (ret) 956 return ret; 957 958 ret = vdec_session_init(inst); 959 if (ret) 960 goto put_power; 961 962 ret = vdec_num_buffers(inst, &in_num, &out_num); 963 if (ret) 964 goto put_power; 965 966 ret = vdec_pm_put(inst, false); 967 if (ret) 968 return ret; 969 970 switch (q->type) { 971 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 972 *num_planes = inst->fmt_out->num_planes; 973 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 974 inst->out_width, 975 inst->out_height); 976 sizes[0] = max(sizes[0], inst->input_buf_size); 977 inst->input_buf_size = sizes[0]; 978 *num_buffers = max(*num_buffers, in_num); 979 inst->num_input_bufs = *num_buffers; 980 inst->num_output_bufs = out_num; 981 break; 982 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 983 *num_planes = inst->fmt_cap->num_planes; 984 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 985 inst->width, 986 inst->height); 987 inst->output_buf_size = sizes[0]; 988 *num_buffers = max(*num_buffers, out_num); 989 inst->num_output_bufs = *num_buffers; 990 991 mutex_lock(&inst->lock); 992 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 993 inst->codec_state = VENUS_DEC_STATE_STOPPED; 994 mutex_unlock(&inst->lock); 995 break; 996 default: 997 ret = -EINVAL; 998 break; 999 } 1000 1001 return ret; 1002 1003 put_power: 1004 vdec_pm_put(inst, false); 1005 return ret; 1006 } 1007 1008 static int vdec_verify_conf(struct venus_inst *inst) 1009 { 1010 enum hfi_version ver = inst->core->res->hfi_version; 1011 struct hfi_buffer_requirements bufreq; 1012 int ret; 1013 1014 if (!inst->num_input_bufs || !inst->num_output_bufs) 1015 return -EINVAL; 1016 1017 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 1018 if (ret) 1019 return ret; 1020 1021 if (inst->num_output_bufs < bufreq.count_actual || 1022 inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1023 return -EINVAL; 1024 1025 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 1026 if (ret) 1027 return ret; 1028 1029 if (inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1030 return -EINVAL; 1031 1032 return 0; 1033 } 1034 1035 static int vdec_start_capture(struct venus_inst *inst) 1036 { 1037 int ret; 1038 1039 if (!inst->streamon_out) 1040 return 0; 1041 1042 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 1043 if (inst->reconfig) 1044 goto reconfigure; 1045 1046 venus_helper_queue_dpb_bufs(inst); 1047 venus_helper_process_initial_cap_bufs(inst); 1048 inst->streamon_cap = 1; 1049 return 0; 1050 } 1051 1052 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 1053 return 0; 1054 1055 reconfigure: 1056 ret = vdec_output_conf(inst); 1057 if (ret) 1058 return ret; 1059 1060 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1061 VB2_MAX_FRAME, VB2_MAX_FRAME); 1062 if (ret) 1063 return ret; 1064 1065 ret = venus_helper_intbufs_realloc(inst); 1066 if (ret) 1067 goto err; 1068 1069 venus_pm_load_scale(inst); 1070 1071 inst->next_buf_last = false; 1072 1073 ret = venus_helper_alloc_dpb_bufs(inst); 1074 if (ret) 1075 goto err; 1076 1077 ret = hfi_session_continue(inst); 1078 if (ret) 1079 goto free_dpb_bufs; 1080 1081 ret = venus_helper_queue_dpb_bufs(inst); 1082 if (ret) 1083 goto free_dpb_bufs; 1084 1085 ret = venus_helper_process_initial_cap_bufs(inst); 1086 if (ret) 1087 goto free_dpb_bufs; 1088 1089 inst->codec_state = VENUS_DEC_STATE_DECODING; 1090 1091 if (inst->drain_active) 1092 inst->codec_state = VENUS_DEC_STATE_DRAIN; 1093 1094 inst->streamon_cap = 1; 1095 inst->sequence_cap = 0; 1096 inst->reconfig = false; 1097 inst->drain_active = false; 1098 1099 return 0; 1100 1101 free_dpb_bufs: 1102 venus_helper_free_dpb_bufs(inst); 1103 err: 1104 return ret; 1105 } 1106 1107 static int vdec_start_output(struct venus_inst *inst) 1108 { 1109 int ret; 1110 1111 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1112 ret = venus_helper_process_initial_out_bufs(inst); 1113 if (ret) 1114 return ret; 1115 1116 if (inst->next_buf_last) { 1117 inst->codec_state = VENUS_DEC_STATE_DRC; 1118 } else { 1119 inst->codec_state = VENUS_DEC_STATE_DECODING; 1120 1121 if (inst->streamon_cap) { 1122 ret = venus_helper_queue_dpb_bufs(inst); 1123 if (ret) 1124 return ret; 1125 } 1126 } 1127 goto done; 1128 } 1129 1130 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1131 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1132 ret = venus_helper_process_initial_out_bufs(inst); 1133 goto done; 1134 } 1135 1136 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1137 return -EINVAL; 1138 1139 venus_helper_init_instance(inst); 1140 inst->sequence_out = 0; 1141 inst->reconfig = false; 1142 inst->next_buf_last = false; 1143 1144 ret = vdec_set_properties(inst); 1145 if (ret) 1146 return ret; 1147 1148 ret = vdec_set_work_route(inst); 1149 if (ret) 1150 return ret; 1151 1152 ret = vdec_output_conf(inst); 1153 if (ret) 1154 return ret; 1155 1156 ret = vdec_verify_conf(inst); 1157 if (ret) 1158 return ret; 1159 1160 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1161 VB2_MAX_FRAME, VB2_MAX_FRAME); 1162 if (ret) 1163 return ret; 1164 1165 ret = venus_helper_vb2_start_streaming(inst); 1166 if (ret) 1167 return ret; 1168 1169 ret = venus_helper_process_initial_out_bufs(inst); 1170 if (ret) 1171 return ret; 1172 1173 inst->codec_state = VENUS_DEC_STATE_INIT; 1174 1175 done: 1176 inst->streamon_out = 1; 1177 return ret; 1178 } 1179 1180 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1181 { 1182 struct venus_inst *inst = vb2_get_drv_priv(q); 1183 int ret; 1184 1185 mutex_lock(&inst->lock); 1186 1187 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1188 ret = vdec_start_capture(inst); 1189 } else { 1190 ret = vdec_pm_get(inst); 1191 if (ret) 1192 goto error; 1193 1194 ret = venus_pm_acquire_core(inst); 1195 if (ret) 1196 goto put_power; 1197 1198 ret = vdec_pm_put(inst, true); 1199 if (ret) 1200 goto error; 1201 1202 ret = vdec_start_output(inst); 1203 } 1204 1205 if (ret) 1206 goto error; 1207 1208 mutex_unlock(&inst->lock); 1209 return 0; 1210 1211 put_power: 1212 vdec_pm_put(inst, false); 1213 error: 1214 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1215 mutex_unlock(&inst->lock); 1216 return ret; 1217 } 1218 1219 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1220 { 1221 struct vb2_v4l2_buffer *buf; 1222 1223 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1224 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1225 } 1226 1227 static int vdec_stop_capture(struct venus_inst *inst) 1228 { 1229 int ret = 0; 1230 1231 switch (inst->codec_state) { 1232 case VENUS_DEC_STATE_DECODING: 1233 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1234 fallthrough; 1235 case VENUS_DEC_STATE_DRAIN: 1236 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1237 inst->drain_active = false; 1238 fallthrough; 1239 case VENUS_DEC_STATE_SEEK: 1240 vdec_cancel_dst_buffers(inst); 1241 break; 1242 case VENUS_DEC_STATE_DRC: 1243 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1244 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1245 venus_helper_free_dpb_bufs(inst); 1246 break; 1247 default: 1248 break; 1249 } 1250 1251 return ret; 1252 } 1253 1254 static int vdec_stop_output(struct venus_inst *inst) 1255 { 1256 int ret = 0; 1257 1258 switch (inst->codec_state) { 1259 case VENUS_DEC_STATE_DECODING: 1260 case VENUS_DEC_STATE_DRAIN: 1261 case VENUS_DEC_STATE_STOPPED: 1262 case VENUS_DEC_STATE_DRC: 1263 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1264 inst->codec_state = VENUS_DEC_STATE_SEEK; 1265 break; 1266 case VENUS_DEC_STATE_INIT: 1267 case VENUS_DEC_STATE_CAPTURE_SETUP: 1268 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1269 break; 1270 default: 1271 break; 1272 } 1273 1274 return ret; 1275 } 1276 1277 static void vdec_stop_streaming(struct vb2_queue *q) 1278 { 1279 struct venus_inst *inst = vb2_get_drv_priv(q); 1280 int ret = -EINVAL; 1281 1282 vdec_pm_get_put(inst); 1283 1284 mutex_lock(&inst->lock); 1285 1286 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1287 ret = vdec_stop_capture(inst); 1288 else 1289 ret = vdec_stop_output(inst); 1290 1291 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1292 1293 inst->session_error = 0; 1294 1295 if (ret) 1296 goto unlock; 1297 1298 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1299 inst->streamon_out = 0; 1300 else 1301 inst->streamon_cap = 0; 1302 1303 unlock: 1304 mutex_unlock(&inst->lock); 1305 } 1306 1307 static void vdec_session_release(struct venus_inst *inst) 1308 { 1309 struct venus_core *core = inst->core; 1310 int ret, abort = 0; 1311 1312 vdec_pm_get(inst); 1313 1314 mutex_lock(&inst->lock); 1315 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1316 1317 ret = hfi_session_stop(inst); 1318 abort = (ret && ret != -EINVAL) ? 1 : 0; 1319 ret = hfi_session_unload_res(inst); 1320 abort = (ret && ret != -EINVAL) ? 1 : 0; 1321 ret = venus_helper_unregister_bufs(inst); 1322 abort = (ret && ret != -EINVAL) ? 1 : 0; 1323 ret = venus_helper_intbufs_free(inst); 1324 abort = (ret && ret != -EINVAL) ? 1 : 0; 1325 ret = hfi_session_deinit(inst); 1326 abort = (ret && ret != -EINVAL) ? 1 : 0; 1327 1328 if (inst->session_error || test_bit(0, &core->sys_error)) 1329 abort = 1; 1330 1331 if (abort) 1332 hfi_session_abort(inst); 1333 1334 venus_helper_free_dpb_bufs(inst); 1335 venus_pm_load_scale(inst); 1336 INIT_LIST_HEAD(&inst->registeredbufs); 1337 mutex_unlock(&inst->lock); 1338 1339 venus_pm_release_core(inst); 1340 vdec_pm_put(inst, false); 1341 } 1342 1343 static int vdec_buf_init(struct vb2_buffer *vb) 1344 { 1345 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1346 1347 inst->buf_count++; 1348 1349 return venus_helper_vb2_buf_init(vb); 1350 } 1351 1352 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1353 { 1354 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1355 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1356 struct venus_buffer *buf = to_venus_buffer(vbuf); 1357 1358 mutex_lock(&inst->lock); 1359 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1360 if (!list_empty(&inst->registeredbufs)) 1361 list_del_init(&buf->reg_list); 1362 mutex_unlock(&inst->lock); 1363 1364 inst->buf_count--; 1365 if (!inst->buf_count) 1366 vdec_session_release(inst); 1367 } 1368 1369 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1370 { 1371 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1372 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1373 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1374 1375 vdec_pm_get_put(inst); 1376 1377 mutex_lock(&inst->lock); 1378 1379 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1380 inst->codec_state == VENUS_DEC_STATE_DRC) { 1381 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1382 vbuf->sequence = inst->sequence_cap++; 1383 vbuf->field = V4L2_FIELD_NONE; 1384 vb2_set_plane_payload(vb, 0, 0); 1385 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1386 v4l2_event_queue_fh(&inst->fh, &eos); 1387 inst->next_buf_last = false; 1388 mutex_unlock(&inst->lock); 1389 return; 1390 } 1391 1392 venus_helper_vb2_buf_queue(vb); 1393 mutex_unlock(&inst->lock); 1394 } 1395 1396 static const struct vb2_ops vdec_vb2_ops = { 1397 .queue_setup = vdec_queue_setup, 1398 .buf_init = vdec_buf_init, 1399 .buf_cleanup = vdec_buf_cleanup, 1400 .buf_prepare = venus_helper_vb2_buf_prepare, 1401 .start_streaming = vdec_start_streaming, 1402 .stop_streaming = vdec_stop_streaming, 1403 .buf_queue = vdec_vb2_buf_queue, 1404 }; 1405 1406 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1407 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1408 u32 hfi_flags, u64 timestamp_us) 1409 { 1410 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1411 struct vb2_v4l2_buffer *vbuf; 1412 struct vb2_buffer *vb; 1413 unsigned int type; 1414 1415 vdec_pm_touch(inst); 1416 1417 if (buf_type == HFI_BUFFER_INPUT) 1418 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1419 else 1420 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1421 1422 vbuf = venus_helper_find_buf(inst, type, tag); 1423 if (!vbuf) { 1424 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag); 1425 return; 1426 } 1427 1428 vbuf->flags = flags; 1429 vbuf->field = V4L2_FIELD_NONE; 1430 vb = &vbuf->vb2_buf; 1431 1432 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1433 vb2_set_plane_payload(vb, 0, bytesused); 1434 vb->planes[0].data_offset = data_offset; 1435 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1436 vbuf->sequence = inst->sequence_cap++; 1437 1438 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1439 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1440 1441 v4l2_event_queue_fh(&inst->fh, &ev); 1442 1443 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1444 inst->drain_active = false; 1445 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1446 } 1447 } 1448 1449 if (!bytesused) 1450 state = VB2_BUF_STATE_ERROR; 1451 } else { 1452 vbuf->sequence = inst->sequence_out++; 1453 } 1454 1455 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1456 1457 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1458 venus_helper_acquire_buf_ref(vbuf); 1459 1460 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1461 state = VB2_BUF_STATE_ERROR; 1462 1463 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1464 state = VB2_BUF_STATE_ERROR; 1465 vb2_set_plane_payload(vb, 0, 0); 1466 vb->timestamp = 0; 1467 } 1468 1469 v4l2_m2m_buf_done(vbuf, state); 1470 } 1471 1472 static void vdec_event_change(struct venus_inst *inst, 1473 struct hfi_event_data *ev_data, bool sufficient) 1474 { 1475 static const struct v4l2_event ev = { 1476 .type = V4L2_EVENT_SOURCE_CHANGE, 1477 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1478 struct device *dev = inst->core->dev_dec; 1479 struct v4l2_format format = {}; 1480 1481 mutex_lock(&inst->lock); 1482 1483 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1484 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1485 format.fmt.pix_mp.width = ev_data->width; 1486 format.fmt.pix_mp.height = ev_data->height; 1487 1488 vdec_try_fmt_common(inst, &format); 1489 1490 inst->width = format.fmt.pix_mp.width; 1491 inst->height = format.fmt.pix_mp.height; 1492 /* 1493 * Some versions of the firmware do not report crop information for 1494 * all codecs. For these cases, set the crop to the coded resolution. 1495 */ 1496 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1497 inst->crop.left = ev_data->input_crop.left; 1498 inst->crop.top = ev_data->input_crop.top; 1499 inst->crop.width = ev_data->input_crop.width; 1500 inst->crop.height = ev_data->input_crop.height; 1501 } else { 1502 inst->crop.left = 0; 1503 inst->crop.top = 0; 1504 inst->crop.width = ev_data->width; 1505 inst->crop.height = ev_data->height; 1506 } 1507 1508 inst->fw_min_cnt = ev_data->buf_count; 1509 /* overwriting this to 11 for vp9 due to fw bug */ 1510 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) 1511 inst->fw_min_cnt = 11; 1512 1513 inst->out_width = ev_data->width; 1514 inst->out_height = ev_data->height; 1515 1516 if (inst->bit_depth != ev_data->bit_depth) { 1517 inst->bit_depth = ev_data->bit_depth; 1518 if (inst->bit_depth == VIDC_BITDEPTH_10) 1519 inst->fmt_cap = &vdec_formats[VENUS_FMT_P010]; 1520 else 1521 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1522 } 1523 1524 if (inst->pic_struct != ev_data->pic_struct) 1525 inst->pic_struct = ev_data->pic_struct; 1526 1527 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1528 sufficient ? "" : "not", ev_data->width, ev_data->height); 1529 1530 switch (inst->codec_state) { 1531 case VENUS_DEC_STATE_INIT: 1532 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1533 break; 1534 case VENUS_DEC_STATE_DECODING: 1535 case VENUS_DEC_STATE_DRAIN: 1536 inst->codec_state = VENUS_DEC_STATE_DRC; 1537 break; 1538 default: 1539 break; 1540 } 1541 1542 /* 1543 * The assumption is that the firmware have to return the last buffer 1544 * before this event is received in the v4l2 driver. Also the firmware 1545 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1546 */ 1547 1548 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1549 int ret; 1550 1551 inst->next_buf_last = true; 1552 1553 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1554 if (ret) 1555 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1556 } 1557 1558 inst->next_buf_last = true; 1559 inst->reconfig = true; 1560 v4l2_event_queue_fh(&inst->fh, &ev); 1561 wake_up(&inst->reconf_wait); 1562 1563 mutex_unlock(&inst->lock); 1564 } 1565 1566 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1567 struct hfi_event_data *data) 1568 { 1569 struct venus_core *core = inst->core; 1570 struct device *dev = core->dev_dec; 1571 1572 vdec_pm_touch(inst); 1573 1574 switch (event) { 1575 case EVT_SESSION_ERROR: 1576 inst->session_error = true; 1577 venus_helper_vb2_queue_error(inst); 1578 dev_err(dev, "dec: event session error %x\n", inst->error); 1579 break; 1580 case EVT_SYS_EVENT_CHANGE: 1581 switch (data->event_type) { 1582 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1583 vdec_event_change(inst, data, true); 1584 break; 1585 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1586 vdec_event_change(inst, data, false); 1587 break; 1588 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1589 venus_helper_release_buf_ref(inst, data->tag); 1590 break; 1591 default: 1592 break; 1593 } 1594 break; 1595 default: 1596 break; 1597 } 1598 } 1599 1600 static void vdec_flush_done(struct venus_inst *inst) 1601 { 1602 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1603 } 1604 1605 static const struct hfi_inst_ops vdec_hfi_ops = { 1606 .buf_done = vdec_buf_done, 1607 .event_notify = vdec_event_notify, 1608 .flush_done = vdec_flush_done, 1609 }; 1610 1611 static void vdec_inst_init(struct venus_inst *inst) 1612 { 1613 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1614 inst->fmt_out = &vdec_formats[VENUS_FMT_H264]; 1615 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1616 inst->width = frame_width_min(inst); 1617 inst->height = ALIGN(frame_height_min(inst), 32); 1618 inst->crop.left = 0; 1619 inst->crop.top = 0; 1620 inst->crop.width = inst->width; 1621 inst->crop.height = inst->height; 1622 inst->fw_min_cnt = 8; 1623 inst->out_width = frame_width_min(inst); 1624 inst->out_height = frame_height_min(inst); 1625 inst->fps = 30; 1626 inst->timeperframe.numerator = 1; 1627 inst->timeperframe.denominator = 30; 1628 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1629 } 1630 1631 static void vdec_m2m_device_run(void *priv) 1632 { 1633 } 1634 1635 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1636 .device_run = vdec_m2m_device_run, 1637 .job_abort = venus_helper_m2m_job_abort, 1638 }; 1639 1640 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1641 struct vb2_queue *dst_vq) 1642 { 1643 struct venus_inst *inst = priv; 1644 int ret; 1645 1646 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1647 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1648 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1649 src_vq->ops = &vdec_vb2_ops; 1650 src_vq->mem_ops = &vb2_dma_contig_memops; 1651 src_vq->drv_priv = inst; 1652 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1653 src_vq->allow_zero_bytesused = 1; 1654 src_vq->min_queued_buffers = 0; 1655 src_vq->dev = inst->core->dev; 1656 src_vq->lock = &inst->ctx_q_lock; 1657 ret = vb2_queue_init(src_vq); 1658 if (ret) 1659 return ret; 1660 1661 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1662 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1663 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1664 dst_vq->ops = &vdec_vb2_ops; 1665 dst_vq->mem_ops = &vb2_dma_contig_memops; 1666 dst_vq->drv_priv = inst; 1667 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1668 dst_vq->allow_zero_bytesused = 1; 1669 dst_vq->min_queued_buffers = 0; 1670 dst_vq->dev = inst->core->dev; 1671 dst_vq->lock = &inst->ctx_q_lock; 1672 return vb2_queue_init(dst_vq); 1673 } 1674 1675 static int vdec_open(struct file *file) 1676 { 1677 struct venus_core *core = video_drvdata(file); 1678 struct venus_inst *inst; 1679 int ret; 1680 1681 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1682 if (!inst) 1683 return -ENOMEM; 1684 1685 INIT_LIST_HEAD(&inst->dpbbufs); 1686 INIT_LIST_HEAD(&inst->registeredbufs); 1687 INIT_LIST_HEAD(&inst->internalbufs); 1688 INIT_LIST_HEAD(&inst->list); 1689 mutex_init(&inst->lock); 1690 mutex_init(&inst->ctx_q_lock); 1691 1692 inst->core = core; 1693 inst->session_type = VIDC_SESSION_TYPE_DEC; 1694 inst->num_output_bufs = 1; 1695 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1696 inst->buf_count = 0; 1697 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1698 inst->core_acquired = false; 1699 inst->bit_depth = VIDC_BITDEPTH_8; 1700 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1701 init_waitqueue_head(&inst->reconf_wait); 1702 inst->nonblock = file->f_flags & O_NONBLOCK; 1703 1704 venus_helper_init_instance(inst); 1705 1706 ret = vdec_ctrl_init(inst); 1707 if (ret) 1708 goto err_free; 1709 1710 vdec_inst_init(inst); 1711 1712 ida_init(&inst->dpb_ids); 1713 1714 /* 1715 * create m2m device for every instance, the m2m context scheduling 1716 * is made by firmware side so we do not need to care about. 1717 */ 1718 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1719 if (IS_ERR(inst->m2m_dev)) { 1720 ret = PTR_ERR(inst->m2m_dev); 1721 goto err_ctrl_deinit; 1722 } 1723 1724 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1725 if (IS_ERR(inst->m2m_ctx)) { 1726 ret = PTR_ERR(inst->m2m_ctx); 1727 goto err_m2m_dev_release; 1728 } 1729 1730 ret = hfi_session_create(inst, &vdec_hfi_ops); 1731 if (ret) 1732 goto err_m2m_ctx_release; 1733 1734 v4l2_fh_init(&inst->fh, core->vdev_dec); 1735 1736 inst->fh.ctrl_handler = &inst->ctrl_handler; 1737 v4l2_fh_add(&inst->fh); 1738 inst->fh.m2m_ctx = inst->m2m_ctx; 1739 file->private_data = &inst->fh; 1740 1741 return 0; 1742 1743 err_m2m_ctx_release: 1744 v4l2_m2m_ctx_release(inst->m2m_ctx); 1745 err_m2m_dev_release: 1746 v4l2_m2m_release(inst->m2m_dev); 1747 err_ctrl_deinit: 1748 v4l2_ctrl_handler_free(&inst->ctrl_handler); 1749 err_free: 1750 kfree(inst); 1751 return ret; 1752 } 1753 1754 static int vdec_close(struct file *file) 1755 { 1756 struct venus_inst *inst = to_inst(file); 1757 1758 vdec_pm_get(inst); 1759 cancel_work_sync(&inst->delayed_process_work); 1760 venus_close_common(inst); 1761 ida_destroy(&inst->dpb_ids); 1762 vdec_pm_put(inst, false); 1763 1764 kfree(inst); 1765 return 0; 1766 } 1767 1768 static const struct v4l2_file_operations vdec_fops = { 1769 .owner = THIS_MODULE, 1770 .open = vdec_open, 1771 .release = vdec_close, 1772 .unlocked_ioctl = video_ioctl2, 1773 .poll = v4l2_m2m_fop_poll, 1774 .mmap = v4l2_m2m_fop_mmap, 1775 }; 1776 1777 static int vdec_probe(struct platform_device *pdev) 1778 { 1779 struct device *dev = &pdev->dev; 1780 struct video_device *vdev; 1781 struct venus_core *core; 1782 int ret; 1783 1784 if (!dev->parent) 1785 return -EPROBE_DEFER; 1786 1787 core = dev_get_drvdata(dev->parent); 1788 if (!core) 1789 return -EPROBE_DEFER; 1790 1791 platform_set_drvdata(pdev, core); 1792 1793 if (core->pm_ops->vdec_get) { 1794 ret = core->pm_ops->vdec_get(dev); 1795 if (ret) 1796 return ret; 1797 } 1798 1799 vdev = video_device_alloc(); 1800 if (!vdev) 1801 return -ENOMEM; 1802 1803 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1804 vdev->release = video_device_release; 1805 vdev->fops = &vdec_fops; 1806 vdev->ioctl_ops = &vdec_ioctl_ops; 1807 vdev->vfl_dir = VFL_DIR_M2M; 1808 vdev->v4l2_dev = &core->v4l2_dev; 1809 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1810 1811 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1812 if (ret) 1813 goto err_vdev_release; 1814 1815 core->vdev_dec = vdev; 1816 core->dev_dec = dev; 1817 1818 video_set_drvdata(vdev, core); 1819 pm_runtime_set_autosuspend_delay(dev, 2000); 1820 pm_runtime_use_autosuspend(dev); 1821 pm_runtime_enable(dev); 1822 1823 return 0; 1824 1825 err_vdev_release: 1826 video_device_release(vdev); 1827 return ret; 1828 } 1829 1830 static void vdec_remove(struct platform_device *pdev) 1831 { 1832 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1833 1834 video_unregister_device(core->vdev_dec); 1835 pm_runtime_disable(core->dev_dec); 1836 1837 if (core->pm_ops->vdec_put) 1838 core->pm_ops->vdec_put(core->dev_dec); 1839 } 1840 1841 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1842 { 1843 struct venus_core *core = dev_get_drvdata(dev); 1844 const struct venus_pm_ops *pm_ops = core->pm_ops; 1845 int ret = 0; 1846 1847 if (pm_ops->vdec_power) 1848 ret = pm_ops->vdec_power(dev, POWER_OFF); 1849 1850 return ret; 1851 } 1852 1853 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1854 { 1855 struct venus_core *core = dev_get_drvdata(dev); 1856 const struct venus_pm_ops *pm_ops = core->pm_ops; 1857 int ret = 0; 1858 1859 if (pm_ops->vdec_power) 1860 ret = pm_ops->vdec_power(dev, POWER_ON); 1861 1862 return ret; 1863 } 1864 1865 static const struct dev_pm_ops vdec_pm_ops = { 1866 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1867 pm_runtime_force_resume) 1868 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1869 }; 1870 1871 static const struct of_device_id vdec_dt_match[] = { 1872 { .compatible = "venus-decoder" }, 1873 { } 1874 }; 1875 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1876 1877 static struct platform_driver qcom_venus_dec_driver = { 1878 .probe = vdec_probe, 1879 .remove = vdec_remove, 1880 .driver = { 1881 .name = "qcom-venus-decoder", 1882 .of_match_table = vdec_dt_match, 1883 .pm = &vdec_pm_ops, 1884 }, 1885 }; 1886 module_platform_driver(qcom_venus_dec_driver); 1887 1888 MODULE_ALIAS("platform:qcom-venus-decoder"); 1889 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1890 MODULE_LICENSE("GPL v2"); 1891