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); 332 333 if (vb2_is_busy(q)) 334 return -EBUSY; 335 336 orig_pixmp = *pixmp; 337 338 fmt = vdec_try_fmt_common(inst, f); 339 340 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 341 pixfmt_out = pixmp->pixelformat; 342 pixfmt_cap = inst->fmt_cap->pixfmt; 343 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 344 pixfmt_cap = pixmp->pixelformat; 345 pixfmt_out = inst->fmt_out->pixfmt; 346 } 347 348 memset(&format, 0, sizeof(format)); 349 350 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 351 format.fmt.pix_mp.pixelformat = pixfmt_out; 352 format.fmt.pix_mp.width = orig_pixmp.width; 353 format.fmt.pix_mp.height = orig_pixmp.height; 354 vdec_try_fmt_common(inst, &format); 355 356 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 357 inst->out_width = format.fmt.pix_mp.width; 358 inst->out_height = format.fmt.pix_mp.height; 359 inst->colorspace = pixmp->colorspace; 360 inst->ycbcr_enc = pixmp->ycbcr_enc; 361 inst->quantization = pixmp->quantization; 362 inst->xfer_func = pixmp->xfer_func; 363 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 364 } 365 366 memset(&format, 0, sizeof(format)); 367 368 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 369 format.fmt.pix_mp.pixelformat = pixfmt_cap; 370 format.fmt.pix_mp.width = orig_pixmp.width; 371 format.fmt.pix_mp.height = orig_pixmp.height; 372 vdec_try_fmt_common(inst, &format); 373 374 inst->width = format.fmt.pix_mp.width; 375 inst->height = format.fmt.pix_mp.height; 376 inst->crop.top = 0; 377 inst->crop.left = 0; 378 inst->crop.width = inst->width; 379 inst->crop.height = inst->height; 380 381 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 382 inst->fmt_out = fmt; 383 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 384 inst->fmt_cap = fmt; 385 inst->output2_buf_size = 386 venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height); 387 } 388 389 return 0; 390 } 391 392 static int 393 vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 394 { 395 struct venus_inst *inst = to_inst(file); 396 397 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 398 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 399 return -EINVAL; 400 401 s->r.top = 0; 402 s->r.left = 0; 403 404 switch (s->target) { 405 case V4L2_SEL_TGT_CROP_BOUNDS: 406 case V4L2_SEL_TGT_CROP_DEFAULT: 407 case V4L2_SEL_TGT_CROP: 408 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 409 return -EINVAL; 410 s->r.width = inst->out_width; 411 s->r.height = inst->out_height; 412 break; 413 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 414 case V4L2_SEL_TGT_COMPOSE_PADDED: 415 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 416 return -EINVAL; 417 s->r.width = inst->width; 418 s->r.height = inst->height; 419 break; 420 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 421 case V4L2_SEL_TGT_COMPOSE: 422 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 423 return -EINVAL; 424 s->r = inst->crop; 425 break; 426 default: 427 return -EINVAL; 428 } 429 430 return 0; 431 } 432 433 static int 434 vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 435 { 436 struct venus_inst *inst = to_inst(file); 437 struct venus_core *core = inst->core; 438 439 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 440 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 441 snprintf(cap->bus_info, sizeof(cap->bus_info), 442 "plat:%s:dec", dev_name(core->dev)); 443 444 return 0; 445 } 446 447 static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 448 { 449 struct venus_inst *inst = to_inst(file); 450 const struct venus_format *fmt; 451 452 memset(f->reserved, 0, sizeof(f->reserved)); 453 454 fmt = find_format_by_index(inst, f->index, f->type); 455 if (!fmt) 456 return -EINVAL; 457 458 f->pixelformat = fmt->pixfmt; 459 f->flags = fmt->flags; 460 461 return 0; 462 } 463 464 static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 465 { 466 struct venus_inst *inst = to_inst(file); 467 struct v4l2_captureparm *cap = &a->parm.capture; 468 struct v4l2_fract *timeperframe = &cap->timeperframe; 469 u64 us_per_frame, fps; 470 471 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 472 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 473 return -EINVAL; 474 475 memset(cap->reserved, 0, sizeof(cap->reserved)); 476 if (!timeperframe->denominator) 477 timeperframe->denominator = inst->timeperframe.denominator; 478 if (!timeperframe->numerator) 479 timeperframe->numerator = inst->timeperframe.numerator; 480 cap->readbuffers = 0; 481 cap->extendedmode = 0; 482 cap->capability = V4L2_CAP_TIMEPERFRAME; 483 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 484 do_div(us_per_frame, timeperframe->denominator); 485 486 us_per_frame = clamp(us_per_frame, 1, USEC_PER_SEC); 487 fps = USEC_PER_SEC / (u32)us_per_frame; 488 fps = min(VENUS_MAX_FPS, fps); 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; 572 573 /* Send NULL EOS addr for only IRIS2 (SM8250),for firmware <= 1.0.87. 574 * SC7280 also reports "1.0.<hash>" parsed as 1.0.0; restricting to IRIS2 575 * avoids misapplying this quirk and breaking VP9 decode on SC7280. 576 */ 577 578 if (IS_IRIS2(inst->core) && is_fw_rev_or_older(inst->core, 1, 0, 87)) 579 fdata.device_addr = 0; 580 else 581 fdata.device_addr = 0xdeadb000; 582 583 ret = hfi_session_process_buf(inst, &fdata); 584 585 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 586 inst->codec_state = VENUS_DEC_STATE_DRAIN; 587 inst->drain_active = true; 588 } 589 } else if (cmd->cmd == V4L2_DEC_CMD_START && 590 inst->codec_state == VENUS_DEC_STATE_STOPPED) { 591 dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx, 592 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 593 vb2_clear_last_buffer_dequeued(dst_vq); 594 595 inst->codec_state = VENUS_DEC_STATE_DECODING; 596 } 597 598 unlock: 599 mutex_unlock(&inst->lock); 600 return ret; 601 } 602 603 static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 604 .vidioc_querycap = vdec_querycap, 605 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 606 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 607 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 608 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 609 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 610 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 611 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 612 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 613 .vidioc_g_selection = vdec_g_selection, 614 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 615 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 616 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 617 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 618 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 619 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 620 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 621 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 622 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 623 .vidioc_s_parm = vdec_s_parm, 624 .vidioc_enum_framesizes = vdec_enum_framesizes, 625 .vidioc_subscribe_event = vdec_subscribe_event, 626 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 627 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 628 .vidioc_decoder_cmd = vdec_decoder_cmd, 629 }; 630 631 static int vdec_pm_get(struct venus_inst *inst) 632 { 633 struct venus_core *core = inst->core; 634 struct device *dev = core->dev_dec; 635 int ret; 636 637 mutex_lock(&core->pm_lock); 638 ret = pm_runtime_resume_and_get(dev); 639 mutex_unlock(&core->pm_lock); 640 641 return ret; 642 } 643 644 static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 645 { 646 struct venus_core *core = inst->core; 647 struct device *dev = core->dev_dec; 648 int ret; 649 650 mutex_lock(&core->pm_lock); 651 652 if (autosuspend) 653 ret = pm_runtime_put_autosuspend(dev); 654 else 655 ret = pm_runtime_put_sync(dev); 656 657 mutex_unlock(&core->pm_lock); 658 659 return ret < 0 ? ret : 0; 660 } 661 662 static int vdec_pm_get_put(struct venus_inst *inst) 663 { 664 struct venus_core *core = inst->core; 665 struct device *dev = core->dev_dec; 666 int ret = 0; 667 668 mutex_lock(&core->pm_lock); 669 670 if (pm_runtime_suspended(dev)) { 671 ret = pm_runtime_resume_and_get(dev); 672 if (ret < 0) 673 goto error; 674 675 ret = pm_runtime_put_autosuspend(dev); 676 } 677 678 error: 679 mutex_unlock(&core->pm_lock); 680 681 return ret < 0 ? ret : 0; 682 } 683 684 static void vdec_pm_touch(struct venus_inst *inst) 685 { 686 pm_runtime_mark_last_busy(inst->core->dev_dec); 687 } 688 689 static int vdec_set_properties(struct venus_inst *inst) 690 { 691 struct vdec_controls *ctr = &inst->controls.dec; 692 struct hfi_enable en = { .enable = 1 }; 693 u32 ptype, decode_order, conceal; 694 int ret; 695 696 if (ctr->post_loop_deb_mode) { 697 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 698 ret = hfi_session_set_property(inst, ptype, &en); 699 if (ret) 700 return ret; 701 } 702 703 if (ctr->display_delay_enable && ctr->display_delay == 0) { 704 ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; 705 decode_order = HFI_OUTPUT_ORDER_DECODE; 706 ret = hfi_session_set_property(inst, ptype, &decode_order); 707 if (ret) 708 return ret; 709 } 710 711 /* Enabling sufficient sequence change support for VP9 */ 712 if (is_fw_rev_or_newer(inst->core, 5, 4, 51)) { 713 ptype = HFI_PROPERTY_PARAM_VDEC_ENABLE_SUFFICIENT_SEQCHANGE_EVENT; 714 ret = hfi_session_set_property(inst, ptype, &en); 715 if (ret) 716 return ret; 717 } 718 719 ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; 720 conceal = ctr->conceal_color & 0xffff; 721 conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; 722 conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; 723 724 ret = hfi_session_set_property(inst, ptype, &conceal); 725 if (ret) 726 return ret; 727 728 return 0; 729 } 730 731 static int vdec_set_work_route(struct venus_inst *inst) 732 { 733 u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE; 734 struct hfi_video_work_route wr; 735 736 if (!(IS_IRIS2(inst->core) || IS_IRIS2_1(inst->core))) 737 return 0; 738 739 wr.video_work_route = inst->core->res->num_vpp_pipes; 740 741 return hfi_session_set_property(inst, ptype, &wr); 742 } 743 744 #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 745 #define is_10bit_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_10_BIT_BASE & \ 746 HFI_COLOR_FORMAT_UBWC_BASE)) 747 748 749 static int vdec_output_conf(struct venus_inst *inst) 750 { 751 struct venus_core *core = inst->core; 752 struct hfi_enable en = { .enable = 1 }; 753 struct hfi_buffer_requirements bufreq; 754 u32 width = inst->width; 755 u32 height = inst->height; 756 u32 out_fmt, out2_fmt; 757 bool ubwc = false; 758 u32 ptype; 759 int ret; 760 761 ret = venus_helper_set_work_mode(inst); 762 if (ret) 763 return ret; 764 765 if (core->res->hfi_version == HFI_VERSION_1XX) { 766 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 767 ret = hfi_session_set_property(inst, ptype, &en); 768 if (ret) 769 return ret; 770 } 771 772 /* Force searching UBWC formats for bigger then HD resolutions */ 773 if (width > 1920 && height > ALIGN(1080, 32)) 774 ubwc = true; 775 776 /* For Venus v4/v6 UBWC format is mandatory */ 777 if (IS_V4(core) || IS_V6(core)) 778 ubwc = true; 779 780 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 781 &out2_fmt, ubwc); 782 if (ret) 783 return ret; 784 785 inst->output_buf_size = 786 venus_helper_get_framesz_raw(out_fmt, width, height); 787 inst->output2_buf_size = 788 venus_helper_get_framesz_raw(out2_fmt, width, height); 789 790 if (is_ubwc_fmt(out_fmt)) { 791 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 792 inst->opb_fmt = out2_fmt; 793 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 794 inst->dpb_fmt = out_fmt; 795 } else if (is_ubwc_fmt(out2_fmt) || is_10bit_ubwc_fmt(out_fmt)) { 796 inst->opb_buftype = HFI_BUFFER_OUTPUT; 797 inst->opb_fmt = out_fmt; 798 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 799 inst->dpb_fmt = out2_fmt; 800 } else { 801 inst->opb_buftype = HFI_BUFFER_OUTPUT; 802 inst->opb_fmt = out_fmt; 803 inst->dpb_buftype = 0; 804 inst->dpb_fmt = 0; 805 } 806 807 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 808 inst->opb_buftype); 809 if (ret) 810 return ret; 811 812 ret = venus_helper_set_format_constraints(inst); 813 if (ret) 814 return ret; 815 816 if (inst->dpb_fmt) { 817 ret = venus_helper_set_multistream(inst, false, true); 818 if (ret) 819 return ret; 820 821 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 822 inst->dpb_buftype); 823 if (ret) 824 return ret; 825 826 ret = venus_helper_set_output_resolution(inst, width, height, 827 HFI_BUFFER_OUTPUT2); 828 if (ret) 829 return ret; 830 } 831 832 if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { 833 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 834 if (ret) 835 return ret; 836 837 if (bufreq.size > inst->output_buf_size) 838 return -EINVAL; 839 840 if (inst->dpb_fmt) { 841 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 842 &bufreq); 843 if (ret) 844 return ret; 845 846 if (bufreq.size > inst->output2_buf_size) 847 return -EINVAL; 848 } 849 850 if (inst->output2_buf_size) { 851 ret = venus_helper_set_bufsize(inst, 852 inst->output2_buf_size, 853 HFI_BUFFER_OUTPUT2); 854 if (ret) 855 return ret; 856 } 857 858 if (inst->output_buf_size) { 859 ret = venus_helper_set_bufsize(inst, 860 inst->output_buf_size, 861 HFI_BUFFER_OUTPUT); 862 if (ret) 863 return ret; 864 } 865 } 866 867 ret = venus_helper_set_dyn_bufmode(inst); 868 if (ret) 869 return ret; 870 871 return 0; 872 } 873 874 static int vdec_session_init(struct venus_inst *inst) 875 { 876 int ret; 877 878 ret = venus_helper_session_init(inst); 879 if (ret == -EALREADY) 880 return 0; 881 else if (ret) 882 return ret; 883 884 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 885 frame_height_min(inst)); 886 if (ret) 887 goto deinit; 888 889 return 0; 890 deinit: 891 hfi_session_deinit(inst); 892 return ret; 893 } 894 895 static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 896 unsigned int *out_num) 897 { 898 enum hfi_version ver = inst->core->res->hfi_version; 899 struct hfi_buffer_requirements bufreq; 900 int ret; 901 902 *in_num = *out_num = 0; 903 904 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 905 if (ret) 906 return ret; 907 908 *in_num = hfi_bufreq_get_count_min(&bufreq, ver); 909 910 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 911 if (ret) 912 return ret; 913 914 *out_num = hfi_bufreq_get_count_min(&bufreq, ver); 915 916 return 0; 917 } 918 919 static int vdec_queue_setup(struct vb2_queue *q, 920 unsigned int *num_buffers, unsigned int *num_planes, 921 unsigned int sizes[], struct device *alloc_devs[]) 922 { 923 struct venus_inst *inst = vb2_get_drv_priv(q); 924 struct venus_core *core = inst->core; 925 unsigned int in_num, out_num; 926 int ret = 0; 927 928 if (*num_planes) { 929 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 930 931 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 932 *num_planes != inst->fmt_out->num_planes) 933 return -EINVAL; 934 935 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 936 *num_planes != inst->fmt_cap->num_planes) 937 return -EINVAL; 938 939 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 940 sizes[0] < inst->input_buf_size) 941 return -EINVAL; 942 943 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 944 sizes[0] < output_buf_size) 945 return -EINVAL; 946 947 return 0; 948 } 949 950 if (test_bit(0, &core->sys_error)) { 951 if (inst->nonblock) 952 return -EAGAIN; 953 954 ret = wait_event_interruptible(core->sys_err_done, 955 !test_bit(0, &core->sys_error)); 956 if (ret) 957 return ret; 958 } 959 960 ret = vdec_pm_get(inst); 961 if (ret) 962 return ret; 963 964 ret = vdec_session_init(inst); 965 if (ret) 966 goto put_power; 967 968 ret = vdec_num_buffers(inst, &in_num, &out_num); 969 if (ret) 970 goto put_power; 971 972 ret = vdec_pm_put(inst, false); 973 if (ret) 974 return ret; 975 976 switch (q->type) { 977 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 978 *num_planes = inst->fmt_out->num_planes; 979 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 980 inst->out_width, 981 inst->out_height); 982 sizes[0] = max(sizes[0], inst->input_buf_size); 983 inst->input_buf_size = sizes[0]; 984 *num_buffers = max(*num_buffers, in_num); 985 inst->num_input_bufs = *num_buffers; 986 inst->num_output_bufs = out_num; 987 break; 988 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 989 *num_planes = inst->fmt_cap->num_planes; 990 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 991 inst->width, 992 inst->height); 993 inst->output_buf_size = sizes[0]; 994 *num_buffers = max(*num_buffers, out_num); 995 inst->num_output_bufs = *num_buffers; 996 997 mutex_lock(&inst->lock); 998 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 999 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1000 mutex_unlock(&inst->lock); 1001 break; 1002 default: 1003 ret = -EINVAL; 1004 break; 1005 } 1006 1007 return ret; 1008 1009 put_power: 1010 vdec_pm_put(inst, false); 1011 return ret; 1012 } 1013 1014 static int vdec_verify_conf(struct venus_inst *inst) 1015 { 1016 enum hfi_version ver = inst->core->res->hfi_version; 1017 struct hfi_buffer_requirements bufreq; 1018 int ret; 1019 1020 if (!inst->num_input_bufs || !inst->num_output_bufs) 1021 return -EINVAL; 1022 1023 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 1024 if (ret) 1025 return ret; 1026 1027 if (inst->num_output_bufs < bufreq.count_actual || 1028 inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1029 return -EINVAL; 1030 1031 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 1032 if (ret) 1033 return ret; 1034 1035 if (inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) 1036 return -EINVAL; 1037 1038 return 0; 1039 } 1040 1041 static int vdec_start_capture(struct venus_inst *inst) 1042 { 1043 int ret; 1044 1045 if (!inst->streamon_out) 1046 return 0; 1047 1048 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 1049 if (inst->reconfig) 1050 goto reconfigure; 1051 1052 venus_helper_queue_dpb_bufs(inst); 1053 venus_helper_process_initial_cap_bufs(inst); 1054 inst->streamon_cap = 1; 1055 return 0; 1056 } 1057 1058 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 1059 return 0; 1060 1061 reconfigure: 1062 ret = vdec_output_conf(inst); 1063 if (ret) 1064 return ret; 1065 1066 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1067 VB2_MAX_FRAME, VB2_MAX_FRAME); 1068 if (ret) 1069 return ret; 1070 1071 ret = venus_helper_intbufs_realloc(inst); 1072 if (ret) 1073 goto err; 1074 1075 venus_pm_load_scale(inst); 1076 1077 inst->next_buf_last = false; 1078 1079 ret = venus_helper_alloc_dpb_bufs(inst); 1080 if (ret) 1081 goto err; 1082 1083 ret = hfi_session_continue(inst); 1084 if (ret) 1085 goto free_dpb_bufs; 1086 1087 ret = venus_helper_queue_dpb_bufs(inst); 1088 if (ret) 1089 goto free_dpb_bufs; 1090 1091 ret = venus_helper_process_initial_cap_bufs(inst); 1092 if (ret) 1093 goto free_dpb_bufs; 1094 1095 inst->codec_state = VENUS_DEC_STATE_DECODING; 1096 1097 if (inst->drain_active) 1098 inst->codec_state = VENUS_DEC_STATE_DRAIN; 1099 1100 inst->streamon_cap = 1; 1101 inst->sequence_cap = 0; 1102 inst->reconfig = false; 1103 inst->drain_active = false; 1104 1105 return 0; 1106 1107 free_dpb_bufs: 1108 venus_helper_free_dpb_bufs(inst); 1109 err: 1110 return ret; 1111 } 1112 1113 static int vdec_start_output(struct venus_inst *inst) 1114 { 1115 int ret; 1116 1117 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1118 ret = venus_helper_process_initial_out_bufs(inst); 1119 if (ret) 1120 return ret; 1121 1122 if (inst->next_buf_last) { 1123 inst->codec_state = VENUS_DEC_STATE_DRC; 1124 } else { 1125 inst->codec_state = VENUS_DEC_STATE_DECODING; 1126 1127 if (inst->streamon_cap) { 1128 ret = venus_helper_queue_dpb_bufs(inst); 1129 if (ret) 1130 return ret; 1131 } 1132 } 1133 goto done; 1134 } 1135 1136 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1137 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1138 ret = venus_helper_process_initial_out_bufs(inst); 1139 goto done; 1140 } 1141 1142 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1143 return -EINVAL; 1144 1145 venus_helper_init_instance(inst); 1146 inst->sequence_out = 0; 1147 inst->reconfig = false; 1148 inst->next_buf_last = false; 1149 1150 ret = vdec_set_properties(inst); 1151 if (ret) 1152 return ret; 1153 1154 ret = vdec_set_work_route(inst); 1155 if (ret) 1156 return ret; 1157 1158 ret = vdec_output_conf(inst); 1159 if (ret) 1160 return ret; 1161 1162 ret = vdec_verify_conf(inst); 1163 if (ret) 1164 return ret; 1165 1166 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1167 VB2_MAX_FRAME, VB2_MAX_FRAME); 1168 if (ret) 1169 return ret; 1170 1171 ret = venus_helper_vb2_start_streaming(inst); 1172 if (ret) 1173 return ret; 1174 1175 ret = venus_helper_process_initial_out_bufs(inst); 1176 if (ret) 1177 return ret; 1178 1179 inst->codec_state = VENUS_DEC_STATE_INIT; 1180 1181 done: 1182 inst->streamon_out = 1; 1183 return ret; 1184 } 1185 1186 static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1187 { 1188 struct venus_inst *inst = vb2_get_drv_priv(q); 1189 int ret; 1190 1191 mutex_lock(&inst->lock); 1192 1193 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1194 ret = vdec_start_capture(inst); 1195 } else { 1196 ret = vdec_pm_get(inst); 1197 if (ret) 1198 goto error; 1199 1200 ret = venus_pm_acquire_core(inst); 1201 if (ret) 1202 goto put_power; 1203 1204 ret = vdec_pm_put(inst, true); 1205 if (ret) 1206 goto error; 1207 1208 ret = vdec_start_output(inst); 1209 } 1210 1211 if (ret) 1212 goto error; 1213 1214 mutex_unlock(&inst->lock); 1215 return 0; 1216 1217 put_power: 1218 vdec_pm_put(inst, false); 1219 error: 1220 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1221 mutex_unlock(&inst->lock); 1222 return ret; 1223 } 1224 1225 static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1226 { 1227 struct vb2_v4l2_buffer *buf; 1228 1229 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1230 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1231 } 1232 1233 static int vdec_stop_capture(struct venus_inst *inst) 1234 { 1235 int ret = 0; 1236 1237 switch (inst->codec_state) { 1238 case VENUS_DEC_STATE_DECODING: 1239 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1240 fallthrough; 1241 case VENUS_DEC_STATE_DRAIN: 1242 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1243 inst->drain_active = false; 1244 fallthrough; 1245 case VENUS_DEC_STATE_SEEK: 1246 vdec_cancel_dst_buffers(inst); 1247 break; 1248 case VENUS_DEC_STATE_DRC: 1249 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1250 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1251 venus_helper_free_dpb_bufs(inst); 1252 break; 1253 default: 1254 break; 1255 } 1256 1257 return ret; 1258 } 1259 1260 static int vdec_stop_output(struct venus_inst *inst) 1261 { 1262 int ret = 0; 1263 1264 switch (inst->codec_state) { 1265 case VENUS_DEC_STATE_DECODING: 1266 case VENUS_DEC_STATE_DRAIN: 1267 case VENUS_DEC_STATE_STOPPED: 1268 case VENUS_DEC_STATE_DRC: 1269 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1270 inst->codec_state = VENUS_DEC_STATE_SEEK; 1271 break; 1272 case VENUS_DEC_STATE_INIT: 1273 case VENUS_DEC_STATE_CAPTURE_SETUP: 1274 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1275 break; 1276 default: 1277 break; 1278 } 1279 1280 return ret; 1281 } 1282 1283 static void vdec_stop_streaming(struct vb2_queue *q) 1284 { 1285 struct venus_inst *inst = vb2_get_drv_priv(q); 1286 int ret = -EINVAL; 1287 1288 vdec_pm_get_put(inst); 1289 1290 mutex_lock(&inst->lock); 1291 1292 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1293 ret = vdec_stop_capture(inst); 1294 else 1295 ret = vdec_stop_output(inst); 1296 1297 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1298 1299 inst->session_error = 0; 1300 1301 if (ret) 1302 goto unlock; 1303 1304 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1305 inst->streamon_out = 0; 1306 else 1307 inst->streamon_cap = 0; 1308 1309 unlock: 1310 mutex_unlock(&inst->lock); 1311 } 1312 1313 static void vdec_session_release(struct venus_inst *inst) 1314 { 1315 struct venus_core *core = inst->core; 1316 int ret, abort = 0; 1317 1318 vdec_pm_get(inst); 1319 1320 mutex_lock(&inst->lock); 1321 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1322 1323 ret = hfi_session_stop(inst); 1324 abort = (ret && ret != -EINVAL) ? 1 : 0; 1325 ret = hfi_session_unload_res(inst); 1326 abort = (ret && ret != -EINVAL) ? 1 : 0; 1327 ret = venus_helper_unregister_bufs(inst); 1328 abort = (ret && ret != -EINVAL) ? 1 : 0; 1329 ret = venus_helper_intbufs_free(inst); 1330 abort = (ret && ret != -EINVAL) ? 1 : 0; 1331 ret = hfi_session_deinit(inst); 1332 abort = (ret && ret != -EINVAL) ? 1 : 0; 1333 1334 if (inst->session_error || test_bit(0, &core->sys_error)) 1335 abort = 1; 1336 1337 if (abort) 1338 hfi_session_abort(inst); 1339 1340 venus_helper_free_dpb_bufs(inst); 1341 venus_pm_load_scale(inst); 1342 INIT_LIST_HEAD(&inst->registeredbufs); 1343 mutex_unlock(&inst->lock); 1344 1345 venus_pm_release_core(inst); 1346 vdec_pm_put(inst, false); 1347 } 1348 1349 static int vdec_buf_init(struct vb2_buffer *vb) 1350 { 1351 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1352 1353 inst->buf_count++; 1354 1355 return venus_helper_vb2_buf_init(vb); 1356 } 1357 1358 static void vdec_buf_cleanup(struct vb2_buffer *vb) 1359 { 1360 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1361 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1362 struct venus_buffer *buf = to_venus_buffer(vbuf); 1363 1364 mutex_lock(&inst->lock); 1365 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1366 if (!list_empty(&inst->registeredbufs)) 1367 list_del_init(&buf->reg_list); 1368 mutex_unlock(&inst->lock); 1369 1370 inst->buf_count--; 1371 if (!inst->buf_count) 1372 vdec_session_release(inst); 1373 } 1374 1375 static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1376 { 1377 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1378 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1379 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1380 1381 vdec_pm_get_put(inst); 1382 1383 mutex_lock(&inst->lock); 1384 1385 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1386 inst->codec_state == VENUS_DEC_STATE_DRC) { 1387 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1388 vbuf->sequence = inst->sequence_cap++; 1389 vbuf->field = V4L2_FIELD_NONE; 1390 vb2_set_plane_payload(vb, 0, 0); 1391 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1392 v4l2_event_queue_fh(&inst->fh, &eos); 1393 inst->next_buf_last = false; 1394 mutex_unlock(&inst->lock); 1395 return; 1396 } 1397 1398 venus_helper_vb2_buf_queue(vb); 1399 mutex_unlock(&inst->lock); 1400 } 1401 1402 static const struct vb2_ops vdec_vb2_ops = { 1403 .queue_setup = vdec_queue_setup, 1404 .buf_init = vdec_buf_init, 1405 .buf_cleanup = vdec_buf_cleanup, 1406 .buf_prepare = venus_helper_vb2_buf_prepare, 1407 .start_streaming = vdec_start_streaming, 1408 .stop_streaming = vdec_stop_streaming, 1409 .buf_queue = vdec_vb2_buf_queue, 1410 }; 1411 1412 static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1413 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1414 u32 hfi_flags, u64 timestamp_us) 1415 { 1416 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1417 struct vb2_v4l2_buffer *vbuf; 1418 struct vb2_buffer *vb; 1419 unsigned int type; 1420 1421 vdec_pm_touch(inst); 1422 1423 if (buf_type == HFI_BUFFER_INPUT) 1424 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1425 else 1426 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1427 1428 vbuf = venus_helper_find_buf(inst, type, tag); 1429 if (!vbuf) { 1430 venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag); 1431 return; 1432 } 1433 1434 vbuf->flags = flags; 1435 vbuf->field = V4L2_FIELD_NONE; 1436 vb = &vbuf->vb2_buf; 1437 1438 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1439 vb2_set_plane_payload(vb, 0, bytesused); 1440 vb->planes[0].data_offset = data_offset; 1441 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1442 vbuf->sequence = inst->sequence_cap++; 1443 1444 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1445 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1446 1447 v4l2_event_queue_fh(&inst->fh, &ev); 1448 1449 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1450 inst->drain_active = false; 1451 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1452 } 1453 } else { 1454 if (!bytesused) 1455 state = VB2_BUF_STATE_ERROR; 1456 } 1457 } else { 1458 vbuf->sequence = inst->sequence_out++; 1459 } 1460 1461 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1462 1463 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1464 venus_helper_acquire_buf_ref(vbuf); 1465 1466 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1467 state = VB2_BUF_STATE_ERROR; 1468 1469 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1470 state = VB2_BUF_STATE_ERROR; 1471 vb2_set_plane_payload(vb, 0, 0); 1472 vb->timestamp = 0; 1473 } 1474 1475 v4l2_m2m_buf_done(vbuf, state); 1476 } 1477 1478 static void vdec_event_change(struct venus_inst *inst, 1479 struct hfi_event_data *ev_data, bool sufficient) 1480 { 1481 static const struct v4l2_event ev = { 1482 .type = V4L2_EVENT_SOURCE_CHANGE, 1483 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1484 struct device *dev = inst->core->dev_dec; 1485 struct v4l2_format format = {}; 1486 1487 mutex_lock(&inst->lock); 1488 1489 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1490 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1491 format.fmt.pix_mp.width = ev_data->width; 1492 format.fmt.pix_mp.height = ev_data->height; 1493 1494 vdec_try_fmt_common(inst, &format); 1495 1496 inst->width = format.fmt.pix_mp.width; 1497 inst->height = format.fmt.pix_mp.height; 1498 /* 1499 * Some versions of the firmware do not report crop information for 1500 * all codecs. For these cases, set the crop to the coded resolution. 1501 */ 1502 if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { 1503 inst->crop.left = ev_data->input_crop.left; 1504 inst->crop.top = ev_data->input_crop.top; 1505 inst->crop.width = ev_data->input_crop.width; 1506 inst->crop.height = ev_data->input_crop.height; 1507 } else { 1508 inst->crop.left = 0; 1509 inst->crop.top = 0; 1510 inst->crop.width = ev_data->width; 1511 inst->crop.height = ev_data->height; 1512 } 1513 1514 inst->fw_min_cnt = ev_data->buf_count; 1515 /* overwriting this to 11 for vp9 due to fw bug */ 1516 if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) 1517 inst->fw_min_cnt = 11; 1518 1519 inst->out_width = ev_data->width; 1520 inst->out_height = ev_data->height; 1521 1522 if (inst->bit_depth != ev_data->bit_depth) { 1523 inst->bit_depth = ev_data->bit_depth; 1524 if (inst->bit_depth == VIDC_BITDEPTH_10) 1525 inst->fmt_cap = &vdec_formats[VENUS_FMT_P010]; 1526 else 1527 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1528 } 1529 1530 if (inst->pic_struct != ev_data->pic_struct) 1531 inst->pic_struct = ev_data->pic_struct; 1532 1533 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1534 sufficient ? "" : "not", ev_data->width, ev_data->height); 1535 1536 switch (inst->codec_state) { 1537 case VENUS_DEC_STATE_INIT: 1538 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1539 break; 1540 case VENUS_DEC_STATE_DECODING: 1541 case VENUS_DEC_STATE_DRAIN: 1542 inst->codec_state = VENUS_DEC_STATE_DRC; 1543 break; 1544 default: 1545 break; 1546 } 1547 1548 /* 1549 * The assumption is that the firmware have to return the last buffer 1550 * before this event is received in the v4l2 driver. Also the firmware 1551 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1552 */ 1553 1554 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1555 int ret; 1556 1557 inst->next_buf_last = true; 1558 1559 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1560 if (ret) 1561 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1562 } 1563 1564 inst->next_buf_last = true; 1565 inst->reconfig = true; 1566 v4l2_event_queue_fh(&inst->fh, &ev); 1567 wake_up(&inst->reconf_wait); 1568 1569 mutex_unlock(&inst->lock); 1570 } 1571 1572 static void vdec_event_notify(struct venus_inst *inst, u32 event, 1573 struct hfi_event_data *data) 1574 { 1575 struct venus_core *core = inst->core; 1576 struct device *dev = core->dev_dec; 1577 1578 vdec_pm_touch(inst); 1579 1580 switch (event) { 1581 case EVT_SESSION_ERROR: 1582 inst->session_error = true; 1583 venus_helper_vb2_queue_error(inst); 1584 dev_err(dev, "dec: event session error %x\n", inst->error); 1585 break; 1586 case EVT_SYS_EVENT_CHANGE: 1587 switch (data->event_type) { 1588 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1589 vdec_event_change(inst, data, true); 1590 break; 1591 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1592 vdec_event_change(inst, data, false); 1593 break; 1594 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1595 venus_helper_release_buf_ref(inst, data->tag); 1596 break; 1597 default: 1598 break; 1599 } 1600 break; 1601 default: 1602 break; 1603 } 1604 } 1605 1606 static void vdec_flush_done(struct venus_inst *inst) 1607 { 1608 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1609 } 1610 1611 static const struct hfi_inst_ops vdec_hfi_ops = { 1612 .buf_done = vdec_buf_done, 1613 .event_notify = vdec_event_notify, 1614 .flush_done = vdec_flush_done, 1615 }; 1616 1617 static void vdec_inst_init(struct venus_inst *inst) 1618 { 1619 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1620 inst->fmt_out = &vdec_formats[VENUS_FMT_H264]; 1621 inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; 1622 inst->width = frame_width_min(inst); 1623 inst->height = ALIGN(frame_height_min(inst), 32); 1624 inst->crop.left = 0; 1625 inst->crop.top = 0; 1626 inst->crop.width = inst->width; 1627 inst->crop.height = inst->height; 1628 inst->fw_min_cnt = 8; 1629 inst->out_width = frame_width_min(inst); 1630 inst->out_height = frame_height_min(inst); 1631 inst->fps = 30; 1632 inst->timeperframe.numerator = 1; 1633 inst->timeperframe.denominator = 30; 1634 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1635 } 1636 1637 static void vdec_m2m_device_run(void *priv) 1638 { 1639 } 1640 1641 static const struct v4l2_m2m_ops vdec_m2m_ops = { 1642 .device_run = vdec_m2m_device_run, 1643 .job_abort = venus_helper_m2m_job_abort, 1644 }; 1645 1646 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1647 struct vb2_queue *dst_vq) 1648 { 1649 struct venus_inst *inst = priv; 1650 int ret; 1651 1652 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1653 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1654 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1655 src_vq->ops = &vdec_vb2_ops; 1656 src_vq->mem_ops = &vb2_dma_contig_memops; 1657 src_vq->drv_priv = inst; 1658 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1659 src_vq->allow_zero_bytesused = 1; 1660 src_vq->min_queued_buffers = 0; 1661 src_vq->dev = inst->core->dev; 1662 src_vq->lock = &inst->ctx_q_lock; 1663 ret = vb2_queue_init(src_vq); 1664 if (ret) 1665 return ret; 1666 1667 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1668 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1669 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1670 dst_vq->ops = &vdec_vb2_ops; 1671 dst_vq->mem_ops = &vb2_dma_contig_memops; 1672 dst_vq->drv_priv = inst; 1673 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1674 dst_vq->allow_zero_bytesused = 1; 1675 dst_vq->min_queued_buffers = 0; 1676 dst_vq->dev = inst->core->dev; 1677 dst_vq->lock = &inst->ctx_q_lock; 1678 return vb2_queue_init(dst_vq); 1679 } 1680 1681 static int vdec_open(struct file *file) 1682 { 1683 struct venus_core *core = video_drvdata(file); 1684 struct venus_inst *inst; 1685 int ret; 1686 1687 inst = kzalloc_obj(*inst); 1688 if (!inst) 1689 return -ENOMEM; 1690 1691 INIT_LIST_HEAD(&inst->dpbbufs); 1692 INIT_LIST_HEAD(&inst->registeredbufs); 1693 INIT_LIST_HEAD(&inst->internalbufs); 1694 INIT_LIST_HEAD(&inst->list); 1695 mutex_init(&inst->lock); 1696 mutex_init(&inst->ctx_q_lock); 1697 1698 inst->core = core; 1699 inst->session_type = VIDC_SESSION_TYPE_DEC; 1700 inst->num_output_bufs = 1; 1701 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1702 inst->buf_count = 0; 1703 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1704 inst->core_acquired = false; 1705 inst->bit_depth = VIDC_BITDEPTH_8; 1706 inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; 1707 init_waitqueue_head(&inst->reconf_wait); 1708 inst->nonblock = file->f_flags & O_NONBLOCK; 1709 1710 venus_helper_init_instance(inst); 1711 1712 ret = vdec_ctrl_init(inst); 1713 if (ret) 1714 goto err_free; 1715 1716 vdec_inst_init(inst); 1717 1718 ida_init(&inst->dpb_ids); 1719 1720 /* 1721 * create m2m device for every instance, the m2m context scheduling 1722 * is made by firmware side so we do not need to care about. 1723 */ 1724 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1725 if (IS_ERR(inst->m2m_dev)) { 1726 ret = PTR_ERR(inst->m2m_dev); 1727 goto err_ctrl_deinit; 1728 } 1729 1730 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1731 if (IS_ERR(inst->m2m_ctx)) { 1732 ret = PTR_ERR(inst->m2m_ctx); 1733 goto err_m2m_dev_release; 1734 } 1735 1736 ret = hfi_session_create(inst, &vdec_hfi_ops); 1737 if (ret) 1738 goto err_m2m_ctx_release; 1739 1740 v4l2_fh_init(&inst->fh, core->vdev_dec); 1741 1742 inst->fh.ctrl_handler = &inst->ctrl_handler; 1743 v4l2_fh_add(&inst->fh, file); 1744 inst->fh.m2m_ctx = inst->m2m_ctx; 1745 1746 return 0; 1747 1748 err_m2m_ctx_release: 1749 v4l2_m2m_ctx_release(inst->m2m_ctx); 1750 err_m2m_dev_release: 1751 v4l2_m2m_release(inst->m2m_dev); 1752 err_ctrl_deinit: 1753 v4l2_ctrl_handler_free(&inst->ctrl_handler); 1754 err_free: 1755 kfree(inst); 1756 return ret; 1757 } 1758 1759 static int vdec_close(struct file *file) 1760 { 1761 struct venus_inst *inst = to_inst(file); 1762 1763 vdec_pm_get(inst); 1764 cancel_work_sync(&inst->delayed_process_work); 1765 venus_close_common(inst, file); 1766 ida_destroy(&inst->dpb_ids); 1767 vdec_pm_put(inst, false); 1768 1769 kfree(inst); 1770 return 0; 1771 } 1772 1773 static const struct v4l2_file_operations vdec_fops = { 1774 .owner = THIS_MODULE, 1775 .open = vdec_open, 1776 .release = vdec_close, 1777 .unlocked_ioctl = video_ioctl2, 1778 .poll = v4l2_m2m_fop_poll, 1779 .mmap = v4l2_m2m_fop_mmap, 1780 }; 1781 1782 static int vdec_probe(struct platform_device *pdev) 1783 { 1784 struct device *dev = &pdev->dev; 1785 struct video_device *vdev; 1786 struct venus_core *core; 1787 int ret; 1788 1789 core = dev_get_drvdata(dev->parent); 1790 if (!core) 1791 return -EINVAL; 1792 1793 platform_set_drvdata(pdev, core); 1794 1795 if (core->pm_ops->vdec_get) { 1796 ret = core->pm_ops->vdec_get(dev); 1797 if (ret) 1798 return ret; 1799 } 1800 1801 vdev = video_device_alloc(); 1802 if (!vdev) 1803 return -ENOMEM; 1804 1805 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1806 vdev->release = video_device_release; 1807 vdev->fops = &vdec_fops; 1808 vdev->ioctl_ops = &vdec_ioctl_ops; 1809 vdev->vfl_dir = VFL_DIR_M2M; 1810 vdev->v4l2_dev = &core->v4l2_dev; 1811 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1812 1813 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1814 if (ret) 1815 goto err_vdev_release; 1816 1817 core->vdev_dec = vdev; 1818 core->dev_dec = dev; 1819 1820 video_set_drvdata(vdev, core); 1821 pm_runtime_set_autosuspend_delay(dev, 2000); 1822 pm_runtime_use_autosuspend(dev); 1823 pm_runtime_enable(dev); 1824 1825 return 0; 1826 1827 err_vdev_release: 1828 video_device_release(vdev); 1829 return ret; 1830 } 1831 1832 static void vdec_remove(struct platform_device *pdev) 1833 { 1834 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1835 1836 video_unregister_device(core->vdev_dec); 1837 pm_runtime_disable(core->dev_dec); 1838 1839 if (core->pm_ops->vdec_put) 1840 core->pm_ops->vdec_put(core->dev_dec); 1841 } 1842 1843 static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1844 { 1845 struct venus_core *core = dev_get_drvdata(dev); 1846 const struct venus_pm_ops *pm_ops = core->pm_ops; 1847 int ret = 0; 1848 1849 if (pm_ops->vdec_power) 1850 ret = pm_ops->vdec_power(dev, POWER_OFF); 1851 1852 return ret; 1853 } 1854 1855 static __maybe_unused int vdec_runtime_resume(struct device *dev) 1856 { 1857 struct venus_core *core = dev_get_drvdata(dev); 1858 const struct venus_pm_ops *pm_ops = core->pm_ops; 1859 int ret = 0; 1860 1861 if (pm_ops->vdec_power) 1862 ret = pm_ops->vdec_power(dev, POWER_ON); 1863 1864 return ret; 1865 } 1866 1867 static const struct dev_pm_ops vdec_pm_ops = { 1868 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1869 pm_runtime_force_resume) 1870 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1871 }; 1872 1873 static const struct of_device_id vdec_dt_match[] = { 1874 { .compatible = "venus-decoder" }, 1875 { } 1876 }; 1877 MODULE_DEVICE_TABLE(of, vdec_dt_match); 1878 1879 static struct platform_driver qcom_venus_dec_driver = { 1880 .probe = vdec_probe, 1881 .remove = vdec_remove, 1882 .driver = { 1883 .name = "qcom-venus-decoder", 1884 .of_match_table = vdec_dt_match, 1885 .pm = &vdec_pm_ops, 1886 }, 1887 }; 1888 module_platform_driver(qcom_venus_dec_driver); 1889 1890 MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1891 MODULE_LICENSE("GPL v2"); 1892