1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2017 Linaro Ltd. 5 */ 6#include <linux/clk.h> 7#include <linux/module.h> 8#include <linux/mod_devicetable.h> 9#include <linux/platform_device.h> 10#include <linux/pm_runtime.h> 11#include <linux/slab.h> 12#include <media/v4l2-ioctl.h> 13#include <media/v4l2-event.h> 14#include <media/v4l2-ctrls.h> 15#include <media/v4l2-mem2mem.h> 16#include <media/videobuf2-dma-sg.h> 17 18#include "hfi_venus_io.h" 19#include "hfi_parser.h" 20#include "core.h" 21#include "helpers.h" 22#include "vdec.h" 23#include "pm_helpers.h" 24 25/* 26 * Three resons to keep MPLANE formats (despite that the number of planes 27 * currently is one): 28 * - the MPLANE formats allow only one plane to be used 29 * - the downstream driver use MPLANE formats too 30 * - future firmware versions could add support for >1 planes 31 */ 32static const struct venus_format vdec_formats[] = { 33 { 34 .pixfmt = V4L2_PIX_FMT_NV12, 35 .num_planes = 1, 36 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 37 }, { 38 .pixfmt = V4L2_PIX_FMT_MPEG4, 39 .num_planes = 1, 40 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 41 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 42 }, { 43 .pixfmt = V4L2_PIX_FMT_MPEG2, 44 .num_planes = 1, 45 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 46 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 47 }, { 48 .pixfmt = V4L2_PIX_FMT_H263, 49 .num_planes = 1, 50 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 51 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 52 }, { 53 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, 54 .num_planes = 1, 55 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 56 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 57 }, { 58 .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, 59 .num_planes = 1, 60 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 61 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 62 }, { 63 .pixfmt = V4L2_PIX_FMT_H264, 64 .num_planes = 1, 65 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 66 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 67 }, { 68 .pixfmt = V4L2_PIX_FMT_VP8, 69 .num_planes = 1, 70 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 71 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 72 }, { 73 .pixfmt = V4L2_PIX_FMT_VP9, 74 .num_planes = 1, 75 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 76 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 77 }, { 78 .pixfmt = V4L2_PIX_FMT_XVID, 79 .num_planes = 1, 80 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 81 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 82 }, { 83 .pixfmt = V4L2_PIX_FMT_HEVC, 84 .num_planes = 1, 85 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 86 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, 87 }, 88}; 89 90static const struct venus_format * 91find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 92{ 93 const struct venus_format *fmt = vdec_formats; 94 unsigned int size = ARRAY_SIZE(vdec_formats); 95 unsigned int i; 96 97 for (i = 0; i < size; i++) { 98 if (fmt[i].pixfmt == pixfmt) 99 break; 100 } 101 102 if (i == size || fmt[i].type != type) 103 return NULL; 104 105 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 106 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 107 return NULL; 108 109 return &fmt[i]; 110} 111 112static const struct venus_format * 113find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 114{ 115 const struct venus_format *fmt = vdec_formats; 116 unsigned int size = ARRAY_SIZE(vdec_formats); 117 unsigned int i, k = 0; 118 119 if (index > size) 120 return NULL; 121 122 for (i = 0; i < size; i++) { 123 bool valid; 124 125 if (fmt[i].type != type) 126 continue; 127 valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE || 128 venus_helper_check_codec(inst, fmt[i].pixfmt); 129 if (k == index && valid) 130 break; 131 if (valid) 132 k++; 133 } 134 135 if (i == size) 136 return NULL; 137 138 return &fmt[i]; 139} 140 141static const struct venus_format * 142vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 143{ 144 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 145 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 146 const struct venus_format *fmt; 147 u32 szimage; 148 149 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 150 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 151 152 fmt = find_format(inst, pixmp->pixelformat, f->type); 153 if (!fmt) { 154 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 155 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 156 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 157 pixmp->pixelformat = V4L2_PIX_FMT_H264; 158 else 159 return NULL; 160 fmt = find_format(inst, pixmp->pixelformat, f->type); 161 if (!fmt) 162 return NULL; 163 } 164 165 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 166 frame_width_max(inst)); 167 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 168 frame_height_max(inst)); 169 170 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 171 pixmp->height = ALIGN(pixmp->height, 32); 172 173 if (pixmp->field == V4L2_FIELD_ANY) 174 pixmp->field = V4L2_FIELD_NONE; 175 pixmp->num_planes = fmt->num_planes; 176 pixmp->flags = 0; 177 178 szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, 179 pixmp->height); 180 181 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 182 pfmt[0].sizeimage = szimage; 183 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 184 } else { 185 pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); 186 pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); 187 pfmt[0].bytesperline = 0; 188 } 189 190 return fmt; 191} 192 193static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 194{ 195 struct venus_inst *inst = to_inst(file); 196 197 vdec_try_fmt_common(inst, f); 198 199 return 0; 200} 201 202static int vdec_check_src_change(struct venus_inst *inst) 203{ 204 int ret; 205 206 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && 207 inst->codec_state == VENUS_DEC_STATE_INIT && 208 !inst->reconfig) 209 return -EINVAL; 210 211 if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) 212 return 0; 213 214 /* 215 * The code snippet below is a workaround for backward compatibility 216 * with applications which doesn't support V4L2 events. It will be 217 * dropped in future once those applications are fixed. 218 */ 219 220 if (inst->codec_state != VENUS_DEC_STATE_INIT) 221 goto done; 222 223 ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, 224 msecs_to_jiffies(100)); 225 if (!ret) 226 return -EINVAL; 227 228 if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || 229 !inst->reconfig) 230 dev_dbg(inst->core->dev, VDBGH "wrong state\n"); 231 232done: 233 return 0; 234} 235 236static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 237{ 238 struct venus_inst *inst = to_inst(file); 239 const struct venus_format *fmt = NULL; 240 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 241 int ret; 242 243 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 244 fmt = inst->fmt_cap; 245 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 246 fmt = inst->fmt_out; 247 248 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 249 ret = vdec_check_src_change(inst); 250 if (ret) 251 return ret; 252 } 253 254 pixmp->pixelformat = fmt->pixfmt; 255 256 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 257 pixmp->width = inst->width; 258 pixmp->height = inst->height; 259 pixmp->colorspace = inst->colorspace; 260 pixmp->ycbcr_enc = inst->ycbcr_enc; 261 pixmp->quantization = inst->quantization; 262 pixmp->xfer_func = inst->xfer_func; 263 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 264 pixmp->width = inst->out_width; 265 pixmp->height = inst->out_height; 266 } 267 268 vdec_try_fmt_common(inst, f); 269 270 return 0; 271} 272 273static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 274{ 275 struct venus_inst *inst = to_inst(file); 276 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 277 struct v4l2_pix_format_mplane orig_pixmp; 278 const struct venus_format *fmt; 279 struct v4l2_format format; 280 u32 pixfmt_out = 0, pixfmt_cap = 0; 281 struct vb2_queue *q; 282 283 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 284 if (!q) 285 return -EINVAL; 286 287 if (vb2_is_busy(q)) 288 return -EBUSY; 289 290 orig_pixmp = *pixmp; 291 292 fmt = vdec_try_fmt_common(inst, f); 293 294 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 295 pixfmt_out = pixmp->pixelformat; 296 pixfmt_cap = inst->fmt_cap->pixfmt; 297 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 298 pixfmt_cap = pixmp->pixelformat; 299 pixfmt_out = inst->fmt_out->pixfmt; 300 } 301 302 memset(&format, 0, sizeof(format)); 303 304 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 305 format.fmt.pix_mp.pixelformat = pixfmt_out; 306 format.fmt.pix_mp.width = orig_pixmp.width; 307 format.fmt.pix_mp.height = orig_pixmp.height; 308 vdec_try_fmt_common(inst, &format); 309 310 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 311 inst->out_width = format.fmt.pix_mp.width; 312 inst->out_height = format.fmt.pix_mp.height; 313 inst->colorspace = pixmp->colorspace; 314 inst->ycbcr_enc = pixmp->ycbcr_enc; 315 inst->quantization = pixmp->quantization; 316 inst->xfer_func = pixmp->xfer_func; 317 inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; 318 } 319 320 memset(&format, 0, sizeof(format)); 321 322 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 323 format.fmt.pix_mp.pixelformat = pixfmt_cap; 324 format.fmt.pix_mp.width = orig_pixmp.width; 325 format.fmt.pix_mp.height = orig_pixmp.height; 326 vdec_try_fmt_common(inst, &format); 327 328 inst->width = format.fmt.pix_mp.width; 329 inst->height = format.fmt.pix_mp.height; 330 331 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 332 inst->fmt_out = fmt; 333 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 334 inst->fmt_cap = fmt; 335 336 return 0; 337} 338 339static int 340vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 341{ 342 struct venus_inst *inst = to_inst(file); 343 344 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 345 s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 346 return -EINVAL; 347 348 switch (s->target) { 349 case V4L2_SEL_TGT_CROP_BOUNDS: 350 case V4L2_SEL_TGT_CROP_DEFAULT: 351 case V4L2_SEL_TGT_CROP: 352 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 353 return -EINVAL; 354 s->r.width = inst->out_width; 355 s->r.height = inst->out_height; 356 break; 357 case V4L2_SEL_TGT_COMPOSE_BOUNDS: 358 case V4L2_SEL_TGT_COMPOSE_PADDED: 359 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 360 return -EINVAL; 361 s->r.width = inst->width; 362 s->r.height = inst->height; 363 break; 364 case V4L2_SEL_TGT_COMPOSE_DEFAULT: 365 case V4L2_SEL_TGT_COMPOSE: 366 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 367 return -EINVAL; 368 s->r.width = inst->out_width; 369 s->r.height = inst->out_height; 370 break; 371 default: 372 return -EINVAL; 373 } 374 375 s->r.top = 0; 376 s->r.left = 0; 377 378 return 0; 379} 380 381static int 382vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 383{ 384 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 385 strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); 386 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 387 388 return 0; 389} 390 391static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 392{ 393 struct venus_inst *inst = to_inst(file); 394 const struct venus_format *fmt; 395 396 memset(f->reserved, 0, sizeof(f->reserved)); 397 398 fmt = find_format_by_index(inst, f->index, f->type); 399 if (!fmt) 400 return -EINVAL; 401 402 f->pixelformat = fmt->pixfmt; 403 f->flags = fmt->flags; 404 405 return 0; 406} 407 408static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 409{ 410 struct venus_inst *inst = to_inst(file); 411 struct v4l2_captureparm *cap = &a->parm.capture; 412 struct v4l2_fract *timeperframe = &cap->timeperframe; 413 u64 us_per_frame, fps; 414 415 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 416 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 417 return -EINVAL; 418 419 memset(cap->reserved, 0, sizeof(cap->reserved)); 420 if (!timeperframe->denominator) 421 timeperframe->denominator = inst->timeperframe.denominator; 422 if (!timeperframe->numerator) 423 timeperframe->numerator = inst->timeperframe.numerator; 424 cap->readbuffers = 0; 425 cap->extendedmode = 0; 426 cap->capability = V4L2_CAP_TIMEPERFRAME; 427 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 428 do_div(us_per_frame, timeperframe->denominator); 429 430 if (!us_per_frame) 431 return -EINVAL; 432 433 fps = (u64)USEC_PER_SEC; 434 do_div(fps, us_per_frame); 435 436 inst->fps = fps; 437 inst->timeperframe = *timeperframe; 438 439 return 0; 440} 441 442static int vdec_enum_framesizes(struct file *file, void *fh, 443 struct v4l2_frmsizeenum *fsize) 444{ 445 struct venus_inst *inst = to_inst(file); 446 const struct venus_format *fmt; 447 448 fmt = find_format(inst, fsize->pixel_format, 449 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 450 if (!fmt) { 451 fmt = find_format(inst, fsize->pixel_format, 452 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 453 if (!fmt) 454 return -EINVAL; 455 } 456 457 if (fsize->index) 458 return -EINVAL; 459 460 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 461 462 fsize->stepwise.min_width = frame_width_min(inst); 463 fsize->stepwise.max_width = frame_width_max(inst); 464 fsize->stepwise.step_width = frame_width_step(inst); 465 fsize->stepwise.min_height = frame_height_min(inst); 466 fsize->stepwise.max_height = frame_height_max(inst); 467 fsize->stepwise.step_height = frame_height_step(inst); 468 469 return 0; 470} 471 472static int vdec_subscribe_event(struct v4l2_fh *fh, 473 const struct v4l2_event_subscription *sub) 474{ 475 struct venus_inst *inst = container_of(fh, struct venus_inst, fh); 476 int ret; 477 478 switch (sub->type) { 479 case V4L2_EVENT_EOS: 480 return v4l2_event_subscribe(fh, sub, 2, NULL); 481 case V4L2_EVENT_SOURCE_CHANGE: 482 ret = v4l2_src_change_event_subscribe(fh, sub); 483 if (ret) 484 return ret; 485 inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; 486 return 0; 487 case V4L2_EVENT_CTRL: 488 return v4l2_ctrl_subscribe_event(fh, sub); 489 default: 490 return -EINVAL; 491 } 492} 493 494static int 495vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) 496{ 497 struct venus_inst *inst = to_inst(file); 498 struct vb2_queue *dst_vq; 499 struct hfi_frame_data fdata = {0}; 500 int ret; 501 502 ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); 503 if (ret) 504 return ret; 505 506 mutex_lock(&inst->lock); 507 508 if (cmd->cmd == V4L2_DEC_CMD_STOP) { 509 /* 510 * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on 511 * decoder input to signal EOS. 512 */ 513 if (!(inst->streamon_out && inst->streamon_cap)) 514 goto unlock; 515 516 fdata.buffer_type = HFI_BUFFER_INPUT; 517 fdata.flags |= HFI_BUFFERFLAG_EOS; 518 fdata.device_addr = 0xdeadb000; 519 520 ret = hfi_session_process_buf(inst, &fdata); 521 522 if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { 523 inst->codec_state = VENUS_DEC_STATE_DRAIN; 524 inst->drain_active = true; 525 } 526 } else if (cmd->cmd == V4L2_DEC_CMD_START && 527 inst->codec_state == VENUS_DEC_STATE_STOPPED) { 528 dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx, 529 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 530 vb2_clear_last_buffer_dequeued(dst_vq); 531 532 inst->codec_state = VENUS_DEC_STATE_DECODING; 533 } 534 535unlock: 536 mutex_unlock(&inst->lock); 537 return ret; 538} 539 540static const struct v4l2_ioctl_ops vdec_ioctl_ops = { 541 .vidioc_querycap = vdec_querycap, 542 .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, 543 .vidioc_enum_fmt_vid_out = vdec_enum_fmt, 544 .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, 545 .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, 546 .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, 547 .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, 548 .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, 549 .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, 550 .vidioc_g_selection = vdec_g_selection, 551 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 552 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 553 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 554 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 555 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 556 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 557 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 558 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 559 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 560 .vidioc_s_parm = vdec_s_parm, 561 .vidioc_enum_framesizes = vdec_enum_framesizes, 562 .vidioc_subscribe_event = vdec_subscribe_event, 563 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 564 .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, 565 .vidioc_decoder_cmd = vdec_decoder_cmd, 566}; 567 568static int vdec_pm_get(struct venus_inst *inst) 569{ 570 struct venus_core *core = inst->core; 571 struct device *dev = core->dev_dec; 572 int ret; 573 574 mutex_lock(&core->pm_lock); 575 ret = pm_runtime_get_sync(dev); 576 mutex_unlock(&core->pm_lock); 577 578 return ret < 0 ? ret : 0; 579} 580 581static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) 582{ 583 struct venus_core *core = inst->core; 584 struct device *dev = core->dev_dec; 585 int ret; 586 587 mutex_lock(&core->pm_lock); 588 589 if (autosuspend) 590 ret = pm_runtime_put_autosuspend(dev); 591 else 592 ret = pm_runtime_put_sync(dev); 593 594 mutex_unlock(&core->pm_lock); 595 596 return ret < 0 ? ret : 0; 597} 598 599static int vdec_pm_get_put(struct venus_inst *inst) 600{ 601 struct venus_core *core = inst->core; 602 struct device *dev = core->dev_dec; 603 int ret = 0; 604 605 mutex_lock(&core->pm_lock); 606 607 if (pm_runtime_suspended(dev)) { 608 ret = pm_runtime_get_sync(dev); 609 if (ret < 0) 610 goto error; 611 612 ret = pm_runtime_put_autosuspend(dev); 613 } 614 615error: 616 mutex_unlock(&core->pm_lock); 617 618 return ret < 0 ? ret : 0; 619} 620 621static void vdec_pm_touch(struct venus_inst *inst) 622{ 623 pm_runtime_mark_last_busy(inst->core->dev_dec); 624} 625 626static int vdec_set_properties(struct venus_inst *inst) 627{ 628 struct vdec_controls *ctr = &inst->controls.dec; 629 struct hfi_enable en = { .enable = 1 }; 630 u32 ptype; 631 int ret; 632 633 if (ctr->post_loop_deb_mode) { 634 ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; 635 ret = hfi_session_set_property(inst, ptype, &en); 636 if (ret) 637 return ret; 638 } 639 640 return 0; 641} 642 643#define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) 644 645static int vdec_output_conf(struct venus_inst *inst) 646{ 647 struct venus_core *core = inst->core; 648 struct hfi_enable en = { .enable = 1 }; 649 struct hfi_buffer_requirements bufreq; 650 u32 width = inst->out_width; 651 u32 height = inst->out_height; 652 u32 out_fmt, out2_fmt; 653 bool ubwc = false; 654 u32 ptype; 655 int ret; 656 657 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 658 if (ret) 659 return ret; 660 661 if (core->res->hfi_version == HFI_VERSION_1XX) { 662 ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; 663 ret = hfi_session_set_property(inst, ptype, &en); 664 if (ret) 665 return ret; 666 } 667 668 /* Force searching UBWC formats for bigger then HD resolutions */ 669 if (width > 1920 && height > ALIGN(1080, 32)) 670 ubwc = true; 671 672 /* For Venus v4 UBWC format is mandatory */ 673 if (IS_V4(core)) 674 ubwc = true; 675 676 ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, 677 &out2_fmt, ubwc); 678 if (ret) 679 return ret; 680 681 inst->output_buf_size = 682 venus_helper_get_framesz_raw(out_fmt, width, height); 683 inst->output2_buf_size = 684 venus_helper_get_framesz_raw(out2_fmt, width, height); 685 686 if (is_ubwc_fmt(out_fmt)) { 687 inst->opb_buftype = HFI_BUFFER_OUTPUT2; 688 inst->opb_fmt = out2_fmt; 689 inst->dpb_buftype = HFI_BUFFER_OUTPUT; 690 inst->dpb_fmt = out_fmt; 691 } else if (is_ubwc_fmt(out2_fmt)) { 692 inst->opb_buftype = HFI_BUFFER_OUTPUT; 693 inst->opb_fmt = out_fmt; 694 inst->dpb_buftype = HFI_BUFFER_OUTPUT2; 695 inst->dpb_fmt = out2_fmt; 696 } else { 697 inst->opb_buftype = HFI_BUFFER_OUTPUT; 698 inst->opb_fmt = out_fmt; 699 inst->dpb_buftype = 0; 700 inst->dpb_fmt = 0; 701 } 702 703 ret = venus_helper_set_raw_format(inst, inst->opb_fmt, 704 inst->opb_buftype); 705 if (ret) 706 return ret; 707 708 if (inst->dpb_fmt) { 709 ret = venus_helper_set_multistream(inst, false, true); 710 if (ret) 711 return ret; 712 713 ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, 714 inst->dpb_buftype); 715 if (ret) 716 return ret; 717 718 ret = venus_helper_set_output_resolution(inst, width, height, 719 HFI_BUFFER_OUTPUT2); 720 if (ret) 721 return ret; 722 } 723 724 if (IS_V3(core) || IS_V4(core)) { 725 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 726 if (ret) 727 return ret; 728 729 if (bufreq.size > inst->output_buf_size) 730 return -EINVAL; 731 732 if (inst->dpb_fmt) { 733 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, 734 &bufreq); 735 if (ret) 736 return ret; 737 738 if (bufreq.size > inst->output2_buf_size) 739 return -EINVAL; 740 } 741 742 if (inst->output2_buf_size) { 743 ret = venus_helper_set_bufsize(inst, 744 inst->output2_buf_size, 745 HFI_BUFFER_OUTPUT2); 746 if (ret) 747 return ret; 748 } 749 750 if (inst->output_buf_size) { 751 ret = venus_helper_set_bufsize(inst, 752 inst->output_buf_size, 753 HFI_BUFFER_OUTPUT); 754 if (ret) 755 return ret; 756 } 757 } 758 759 ret = venus_helper_set_dyn_bufmode(inst); 760 if (ret) 761 return ret; 762 763 return 0; 764} 765 766static int vdec_session_init(struct venus_inst *inst) 767{ 768 int ret; 769 770 ret = hfi_session_init(inst, inst->fmt_out->pixfmt); 771 if (ret == -EINVAL) 772 return 0; 773 else if (ret) 774 return ret; 775 776 ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), 777 frame_height_min(inst)); 778 if (ret) 779 goto deinit; 780 781 ret = venus_helper_init_codec_freq_data(inst); 782 if (ret) 783 goto deinit; 784 785 return 0; 786deinit: 787 hfi_session_deinit(inst); 788 return ret; 789} 790 791static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, 792 unsigned int *out_num) 793{ 794 enum hfi_version ver = inst->core->res->hfi_version; 795 struct hfi_buffer_requirements bufreq; 796 int ret; 797 798 *in_num = *out_num = 0; 799 800 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 801 if (ret) 802 return ret; 803 804 *in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 805 806 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 807 if (ret) 808 return ret; 809 810 *out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 811 812 return 0; 813} 814 815static int vdec_queue_setup(struct vb2_queue *q, 816 unsigned int *num_buffers, unsigned int *num_planes, 817 unsigned int sizes[], struct device *alloc_devs[]) 818{ 819 struct venus_inst *inst = vb2_get_drv_priv(q); 820 unsigned int in_num, out_num; 821 int ret = 0; 822 823 if (*num_planes) { 824 unsigned int output_buf_size = venus_helper_get_opb_size(inst); 825 826 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 827 *num_planes != inst->fmt_out->num_planes) 828 return -EINVAL; 829 830 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 831 *num_planes != inst->fmt_cap->num_planes) 832 return -EINVAL; 833 834 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 835 sizes[0] < inst->input_buf_size) 836 return -EINVAL; 837 838 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 839 sizes[0] < output_buf_size) 840 return -EINVAL; 841 842 return 0; 843 } 844 845 ret = vdec_pm_get(inst); 846 if (ret) 847 return ret; 848 849 ret = vdec_session_init(inst); 850 if (ret) 851 goto put_power; 852 853 ret = vdec_num_buffers(inst, &in_num, &out_num); 854 if (ret) 855 goto put_power; 856 857 ret = vdec_pm_put(inst, false); 858 if (ret) 859 return ret; 860 861 switch (q->type) { 862 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 863 *num_planes = inst->fmt_out->num_planes; 864 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 865 inst->out_width, 866 inst->out_height); 867 sizes[0] = max(sizes[0], inst->input_buf_size); 868 inst->input_buf_size = sizes[0]; 869 *num_buffers = max(*num_buffers, in_num); 870 inst->num_input_bufs = *num_buffers; 871 inst->num_output_bufs = out_num; 872 break; 873 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 874 *num_planes = inst->fmt_cap->num_planes; 875 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 876 inst->width, 877 inst->height); 878 inst->output_buf_size = sizes[0]; 879 *num_buffers = max(*num_buffers, out_num); 880 inst->num_output_bufs = *num_buffers; 881 882 mutex_lock(&inst->lock); 883 if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) 884 inst->codec_state = VENUS_DEC_STATE_STOPPED; 885 mutex_unlock(&inst->lock); 886 break; 887 default: 888 ret = -EINVAL; 889 break; 890 } 891 892 return ret; 893 894put_power: 895 vdec_pm_put(inst, false); 896 return ret; 897} 898 899static int vdec_verify_conf(struct venus_inst *inst) 900{ 901 enum hfi_version ver = inst->core->res->hfi_version; 902 struct hfi_buffer_requirements bufreq; 903 int ret; 904 905 if (!inst->num_input_bufs || !inst->num_output_bufs) 906 return -EINVAL; 907 908 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 909 if (ret) 910 return ret; 911 912 if (inst->num_output_bufs < bufreq.count_actual || 913 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 914 return -EINVAL; 915 916 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 917 if (ret) 918 return ret; 919 920 if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 921 return -EINVAL; 922 923 return 0; 924} 925 926static int vdec_start_capture(struct venus_inst *inst) 927{ 928 int ret; 929 930 if (!inst->streamon_out) 931 return 0; 932 933 if (inst->codec_state == VENUS_DEC_STATE_DECODING) { 934 if (inst->reconfig) 935 goto reconfigure; 936 937 venus_helper_queue_dpb_bufs(inst); 938 venus_helper_process_initial_cap_bufs(inst); 939 inst->streamon_cap = 1; 940 return 0; 941 } 942 943 if (inst->codec_state != VENUS_DEC_STATE_STOPPED) 944 return 0; 945 946reconfigure: 947 ret = vdec_output_conf(inst); 948 if (ret) 949 return ret; 950 951 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 952 VB2_MAX_FRAME, VB2_MAX_FRAME); 953 if (ret) 954 return ret; 955 956 ret = venus_helper_intbufs_realloc(inst); 957 if (ret) 958 goto err; 959 960 ret = venus_helper_alloc_dpb_bufs(inst); 961 if (ret) 962 goto err; 963 964 ret = venus_helper_queue_dpb_bufs(inst); 965 if (ret) 966 goto free_dpb_bufs; 967 968 ret = venus_helper_process_initial_cap_bufs(inst); 969 if (ret) 970 goto free_dpb_bufs; 971 972 venus_pm_load_scale(inst); 973 974 inst->next_buf_last = false; 975 976 ret = hfi_session_continue(inst); 977 if (ret) 978 goto free_dpb_bufs; 979 980 inst->codec_state = VENUS_DEC_STATE_DECODING; 981 982 if (inst->drain_active) 983 inst->codec_state = VENUS_DEC_STATE_DRAIN; 984 985 inst->streamon_cap = 1; 986 inst->sequence_cap = 0; 987 inst->reconfig = false; 988 inst->drain_active = false; 989 990 return 0; 991 992free_dpb_bufs: 993 venus_helper_free_dpb_bufs(inst); 994err: 995 return ret; 996} 997 998static int vdec_start_output(struct venus_inst *inst) 999{ 1000 int ret; 1001 1002 if (inst->codec_state == VENUS_DEC_STATE_SEEK) { 1003 ret = venus_helper_process_initial_out_bufs(inst); 1004 if (inst->next_buf_last) 1005 inst->codec_state = VENUS_DEC_STATE_DRC; 1006 else 1007 inst->codec_state = VENUS_DEC_STATE_DECODING; 1008 goto done; 1009 } 1010 1011 if (inst->codec_state == VENUS_DEC_STATE_INIT || 1012 inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { 1013 ret = venus_helper_process_initial_out_bufs(inst); 1014 goto done; 1015 } 1016 1017 if (inst->codec_state != VENUS_DEC_STATE_DEINIT) 1018 return -EINVAL; 1019 1020 venus_helper_init_instance(inst); 1021 inst->sequence_out = 0; 1022 inst->reconfig = false; 1023 inst->next_buf_last = false; 1024 1025 ret = vdec_set_properties(inst); 1026 if (ret) 1027 return ret; 1028 1029 ret = vdec_output_conf(inst); 1030 if (ret) 1031 return ret; 1032 1033 ret = vdec_verify_conf(inst); 1034 if (ret) 1035 return ret; 1036 1037 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1038 VB2_MAX_FRAME, VB2_MAX_FRAME); 1039 if (ret) 1040 return ret; 1041 1042 ret = venus_helper_vb2_start_streaming(inst); 1043 if (ret) 1044 return ret; 1045 1046 ret = venus_helper_process_initial_out_bufs(inst); 1047 if (ret) 1048 return ret; 1049 1050 inst->codec_state = VENUS_DEC_STATE_INIT; 1051 1052done: 1053 inst->streamon_out = 1; 1054 return ret; 1055} 1056 1057static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) 1058{ 1059 struct venus_inst *inst = vb2_get_drv_priv(q); 1060 int ret; 1061 1062 mutex_lock(&inst->lock); 1063 1064 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1065 ret = vdec_start_capture(inst); 1066 } else { 1067 ret = vdec_pm_get(inst); 1068 if (ret) 1069 goto error; 1070 1071 ret = venus_pm_acquire_core(inst); 1072 if (ret) 1073 goto put_power; 1074 1075 ret = vdec_pm_put(inst, true); 1076 if (ret) 1077 goto error; 1078 1079 ret = vdec_start_output(inst); 1080 } 1081 1082 if (ret) 1083 goto error; 1084 1085 mutex_unlock(&inst->lock); 1086 return 0; 1087 1088put_power: 1089 vdec_pm_put(inst, false); 1090error: 1091 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1092 mutex_unlock(&inst->lock); 1093 return ret; 1094} 1095 1096static void vdec_cancel_dst_buffers(struct venus_inst *inst) 1097{ 1098 struct vb2_v4l2_buffer *buf; 1099 1100 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 1101 v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); 1102} 1103 1104static int vdec_stop_capture(struct venus_inst *inst) 1105{ 1106 int ret = 0; 1107 1108 switch (inst->codec_state) { 1109 case VENUS_DEC_STATE_DECODING: 1110 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1111 fallthrough; 1112 case VENUS_DEC_STATE_DRAIN: 1113 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1114 inst->drain_active = false; 1115 fallthrough; 1116 case VENUS_DEC_STATE_SEEK: 1117 vdec_cancel_dst_buffers(inst); 1118 break; 1119 case VENUS_DEC_STATE_DRC: 1120 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); 1121 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1122 venus_helper_free_dpb_bufs(inst); 1123 break; 1124 default: 1125 break; 1126 } 1127 1128 return ret; 1129} 1130 1131static int vdec_stop_output(struct venus_inst *inst) 1132{ 1133 int ret = 0; 1134 1135 switch (inst->codec_state) { 1136 case VENUS_DEC_STATE_DECODING: 1137 case VENUS_DEC_STATE_DRAIN: 1138 case VENUS_DEC_STATE_STOPPED: 1139 case VENUS_DEC_STATE_DRC: 1140 ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); 1141 inst->codec_state = VENUS_DEC_STATE_SEEK; 1142 break; 1143 case VENUS_DEC_STATE_INIT: 1144 case VENUS_DEC_STATE_CAPTURE_SETUP: 1145 ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); 1146 break; 1147 default: 1148 break; 1149 } 1150 1151 return ret; 1152} 1153 1154static void vdec_stop_streaming(struct vb2_queue *q) 1155{ 1156 struct venus_inst *inst = vb2_get_drv_priv(q); 1157 int ret = -EINVAL; 1158 1159 mutex_lock(&inst->lock); 1160 1161 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1162 ret = vdec_stop_capture(inst); 1163 else 1164 ret = vdec_stop_output(inst); 1165 1166 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); 1167 1168 if (ret) 1169 goto unlock; 1170 1171 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1172 inst->streamon_out = 0; 1173 else 1174 inst->streamon_cap = 0; 1175 1176unlock: 1177 mutex_unlock(&inst->lock); 1178} 1179 1180static void vdec_session_release(struct venus_inst *inst) 1181{ 1182 struct venus_core *core = inst->core; 1183 int ret, abort = 0; 1184 1185 vdec_pm_get(inst); 1186 1187 mutex_lock(&inst->lock); 1188 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1189 1190 ret = hfi_session_stop(inst); 1191 abort = (ret && ret != -EINVAL) ? 1 : 0; 1192 ret = hfi_session_unload_res(inst); 1193 abort = (ret && ret != -EINVAL) ? 1 : 0; 1194 ret = venus_helper_unregister_bufs(inst); 1195 abort = (ret && ret != -EINVAL) ? 1 : 0; 1196 ret = venus_helper_intbufs_free(inst); 1197 abort = (ret && ret != -EINVAL) ? 1 : 0; 1198 ret = hfi_session_deinit(inst); 1199 abort = (ret && ret != -EINVAL) ? 1 : 0; 1200 1201 if (inst->session_error || core->sys_error) 1202 abort = 1; 1203 1204 if (abort) 1205 hfi_session_abort(inst); 1206 1207 venus_helper_free_dpb_bufs(inst); 1208 venus_pm_load_scale(inst); 1209 INIT_LIST_HEAD(&inst->registeredbufs); 1210 mutex_unlock(&inst->lock); 1211 1212 venus_pm_release_core(inst); 1213 vdec_pm_put(inst, false); 1214} 1215 1216static int vdec_buf_init(struct vb2_buffer *vb) 1217{ 1218 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1219 1220 inst->buf_count++; 1221 1222 return venus_helper_vb2_buf_init(vb); 1223} 1224 1225static void vdec_buf_cleanup(struct vb2_buffer *vb) 1226{ 1227 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1228 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1229 struct venus_buffer *buf = to_venus_buffer(vbuf); 1230 1231 mutex_lock(&inst->lock); 1232 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 1233 if (!list_empty(&inst->registeredbufs)) 1234 list_del_init(&buf->reg_list); 1235 mutex_unlock(&inst->lock); 1236 1237 inst->buf_count--; 1238 if (!inst->buf_count) 1239 vdec_session_release(inst); 1240} 1241 1242static void vdec_vb2_buf_queue(struct vb2_buffer *vb) 1243{ 1244 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 1245 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 1246 static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; 1247 1248 vdec_pm_get_put(inst); 1249 1250 mutex_lock(&inst->lock); 1251 1252 if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && 1253 inst->codec_state == VENUS_DEC_STATE_DRC) { 1254 vbuf->flags |= V4L2_BUF_FLAG_LAST; 1255 vbuf->sequence = inst->sequence_cap++; 1256 vbuf->field = V4L2_FIELD_NONE; 1257 vb2_set_plane_payload(vb, 0, 0); 1258 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1259 v4l2_event_queue_fh(&inst->fh, &eos); 1260 inst->next_buf_last = false; 1261 mutex_unlock(&inst->lock); 1262 return; 1263 } 1264 1265 mutex_unlock(&inst->lock); 1266 1267 venus_helper_vb2_buf_queue(vb); 1268} 1269 1270static const struct vb2_ops vdec_vb2_ops = { 1271 .queue_setup = vdec_queue_setup, 1272 .buf_init = vdec_buf_init, 1273 .buf_cleanup = vdec_buf_cleanup, 1274 .buf_prepare = venus_helper_vb2_buf_prepare, 1275 .start_streaming = vdec_start_streaming, 1276 .stop_streaming = vdec_stop_streaming, 1277 .buf_queue = vdec_vb2_buf_queue, 1278}; 1279 1280static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, 1281 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1282 u32 hfi_flags, u64 timestamp_us) 1283{ 1284 enum vb2_buffer_state state = VB2_BUF_STATE_DONE; 1285 struct vb2_v4l2_buffer *vbuf; 1286 struct vb2_buffer *vb; 1287 unsigned int type; 1288 1289 vdec_pm_touch(inst); 1290 1291 if (buf_type == HFI_BUFFER_INPUT) 1292 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1293 else 1294 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1295 1296 vbuf = venus_helper_find_buf(inst, type, tag); 1297 if (!vbuf) 1298 return; 1299 1300 vbuf->flags = flags; 1301 vbuf->field = V4L2_FIELD_NONE; 1302 vb = &vbuf->vb2_buf; 1303 1304 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1305 vb2_set_plane_payload(vb, 0, bytesused); 1306 vb->planes[0].data_offset = data_offset; 1307 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1308 vbuf->sequence = inst->sequence_cap++; 1309 1310 if (vbuf->flags & V4L2_BUF_FLAG_LAST) { 1311 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 1312 1313 v4l2_event_queue_fh(&inst->fh, &ev); 1314 1315 if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { 1316 inst->drain_active = false; 1317 inst->codec_state = VENUS_DEC_STATE_STOPPED; 1318 } 1319 } 1320 1321 if (!bytesused) 1322 state = VB2_BUF_STATE_ERROR; 1323 } else { 1324 vbuf->sequence = inst->sequence_out++; 1325 } 1326 1327 venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); 1328 1329 if (hfi_flags & HFI_BUFFERFLAG_READONLY) 1330 venus_helper_acquire_buf_ref(vbuf); 1331 1332 if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) 1333 state = VB2_BUF_STATE_ERROR; 1334 1335 if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { 1336 state = VB2_BUF_STATE_ERROR; 1337 vb2_set_plane_payload(vb, 0, 0); 1338 vb->timestamp = 0; 1339 } 1340 1341 v4l2_m2m_buf_done(vbuf, state); 1342} 1343 1344static void vdec_event_change(struct venus_inst *inst, 1345 struct hfi_event_data *ev_data, bool sufficient) 1346{ 1347 static const struct v4l2_event ev = { 1348 .type = V4L2_EVENT_SOURCE_CHANGE, 1349 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; 1350 struct device *dev = inst->core->dev_dec; 1351 struct v4l2_format format = {}; 1352 1353 mutex_lock(&inst->lock); 1354 1355 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1356 format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; 1357 format.fmt.pix_mp.width = ev_data->width; 1358 format.fmt.pix_mp.height = ev_data->height; 1359 1360 vdec_try_fmt_common(inst, &format); 1361 1362 inst->width = format.fmt.pix_mp.width; 1363 inst->height = format.fmt.pix_mp.height; 1364 1365 inst->out_width = ev_data->width; 1366 inst->out_height = ev_data->height; 1367 1368 if (inst->bit_depth != ev_data->bit_depth) 1369 inst->bit_depth = ev_data->bit_depth; 1370 1371 dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", 1372 sufficient ? "" : "not", ev_data->width, ev_data->height); 1373 1374 switch (inst->codec_state) { 1375 case VENUS_DEC_STATE_INIT: 1376 inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; 1377 break; 1378 case VENUS_DEC_STATE_DECODING: 1379 case VENUS_DEC_STATE_DRAIN: 1380 inst->codec_state = VENUS_DEC_STATE_DRC; 1381 break; 1382 default: 1383 break; 1384 } 1385 1386 /* 1387 * The assumption is that the firmware have to return the last buffer 1388 * before this event is received in the v4l2 driver. Also the firmware 1389 * itself doesn't mark the last decoder output buffer with HFI EOS flag. 1390 */ 1391 1392 if (inst->codec_state == VENUS_DEC_STATE_DRC) { 1393 int ret; 1394 1395 inst->next_buf_last = true; 1396 1397 ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); 1398 if (ret) 1399 dev_dbg(dev, VDBGH "flush output error %d\n", ret); 1400 } 1401 1402 inst->next_buf_last = true; 1403 inst->reconfig = true; 1404 v4l2_event_queue_fh(&inst->fh, &ev); 1405 wake_up(&inst->reconf_wait); 1406 1407 mutex_unlock(&inst->lock); 1408} 1409 1410static void vdec_event_notify(struct venus_inst *inst, u32 event, 1411 struct hfi_event_data *data) 1412{ 1413 struct venus_core *core = inst->core; 1414 struct device *dev = core->dev_dec; 1415 1416 vdec_pm_touch(inst); 1417 1418 switch (event) { 1419 case EVT_SESSION_ERROR: 1420 inst->session_error = true; 1421 dev_err(dev, "dec: event session error %x\n", inst->error); 1422 break; 1423 case EVT_SYS_EVENT_CHANGE: 1424 switch (data->event_type) { 1425 case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: 1426 vdec_event_change(inst, data, true); 1427 break; 1428 case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: 1429 vdec_event_change(inst, data, false); 1430 break; 1431 case HFI_EVENT_RELEASE_BUFFER_REFERENCE: 1432 venus_helper_release_buf_ref(inst, data->tag); 1433 break; 1434 default: 1435 break; 1436 } 1437 break; 1438 default: 1439 break; 1440 } 1441} 1442 1443static void vdec_flush_done(struct venus_inst *inst) 1444{ 1445 dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); 1446} 1447 1448static const struct hfi_inst_ops vdec_hfi_ops = { 1449 .buf_done = vdec_buf_done, 1450 .event_notify = vdec_event_notify, 1451 .flush_done = vdec_flush_done, 1452}; 1453 1454static void vdec_inst_init(struct venus_inst *inst) 1455{ 1456 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1457 inst->fmt_out = &vdec_formats[6]; 1458 inst->fmt_cap = &vdec_formats[0]; 1459 inst->width = frame_width_min(inst); 1460 inst->height = ALIGN(frame_height_min(inst), 32); 1461 inst->out_width = frame_width_min(inst); 1462 inst->out_height = frame_height_min(inst); 1463 inst->fps = 30; 1464 inst->timeperframe.numerator = 1; 1465 inst->timeperframe.denominator = 30; 1466 inst->opb_buftype = HFI_BUFFER_OUTPUT; 1467} 1468 1469static void vdec_m2m_device_run(void *priv) 1470{ 1471} 1472 1473static const struct v4l2_m2m_ops vdec_m2m_ops = { 1474 .device_run = vdec_m2m_device_run, 1475 .job_abort = venus_helper_m2m_job_abort, 1476}; 1477 1478static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1479 struct vb2_queue *dst_vq) 1480{ 1481 struct venus_inst *inst = priv; 1482 int ret; 1483 1484 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1485 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1486 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1487 src_vq->ops = &vdec_vb2_ops; 1488 src_vq->mem_ops = &vb2_dma_sg_memops; 1489 src_vq->drv_priv = inst; 1490 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1491 src_vq->allow_zero_bytesused = 1; 1492 src_vq->min_buffers_needed = 0; 1493 src_vq->dev = inst->core->dev; 1494 ret = vb2_queue_init(src_vq); 1495 if (ret) 1496 return ret; 1497 1498 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1499 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1500 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1501 dst_vq->ops = &vdec_vb2_ops; 1502 dst_vq->mem_ops = &vb2_dma_sg_memops; 1503 dst_vq->drv_priv = inst; 1504 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1505 dst_vq->allow_zero_bytesused = 1; 1506 dst_vq->min_buffers_needed = 0; 1507 dst_vq->dev = inst->core->dev; 1508 return vb2_queue_init(dst_vq); 1509} 1510 1511static int vdec_open(struct file *file) 1512{ 1513 struct venus_core *core = video_drvdata(file); 1514 struct venus_inst *inst; 1515 int ret; 1516 1517 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1518 if (!inst) 1519 return -ENOMEM; 1520 1521 INIT_LIST_HEAD(&inst->dpbbufs); 1522 INIT_LIST_HEAD(&inst->registeredbufs); 1523 INIT_LIST_HEAD(&inst->internalbufs); 1524 INIT_LIST_HEAD(&inst->list); 1525 mutex_init(&inst->lock); 1526 1527 inst->core = core; 1528 inst->session_type = VIDC_SESSION_TYPE_DEC; 1529 inst->num_output_bufs = 1; 1530 inst->codec_state = VENUS_DEC_STATE_DEINIT; 1531 inst->buf_count = 0; 1532 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1533 inst->core_acquired = false; 1534 inst->bit_depth = VIDC_BITDEPTH_8; 1535 init_waitqueue_head(&inst->reconf_wait); 1536 venus_helper_init_instance(inst); 1537 1538 ret = vdec_ctrl_init(inst); 1539 if (ret) 1540 goto err_free; 1541 1542 ret = hfi_session_create(inst, &vdec_hfi_ops); 1543 if (ret) 1544 goto err_ctrl_deinit; 1545 1546 vdec_inst_init(inst); 1547 1548 /* 1549 * create m2m device for every instance, the m2m context scheduling 1550 * is made by firmware side so we do not need to care about. 1551 */ 1552 inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); 1553 if (IS_ERR(inst->m2m_dev)) { 1554 ret = PTR_ERR(inst->m2m_dev); 1555 goto err_session_destroy; 1556 } 1557 1558 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1559 if (IS_ERR(inst->m2m_ctx)) { 1560 ret = PTR_ERR(inst->m2m_ctx); 1561 goto err_m2m_release; 1562 } 1563 1564 v4l2_fh_init(&inst->fh, core->vdev_dec); 1565 1566 inst->fh.ctrl_handler = &inst->ctrl_handler; 1567 v4l2_fh_add(&inst->fh); 1568 inst->fh.m2m_ctx = inst->m2m_ctx; 1569 file->private_data = &inst->fh; 1570 1571 return 0; 1572 1573err_m2m_release: 1574 v4l2_m2m_release(inst->m2m_dev); 1575err_session_destroy: 1576 hfi_session_destroy(inst); 1577err_ctrl_deinit: 1578 vdec_ctrl_deinit(inst); 1579err_free: 1580 kfree(inst); 1581 return ret; 1582} 1583 1584static int vdec_close(struct file *file) 1585{ 1586 struct venus_inst *inst = to_inst(file); 1587 1588 vdec_pm_get(inst); 1589 1590 v4l2_m2m_ctx_release(inst->m2m_ctx); 1591 v4l2_m2m_release(inst->m2m_dev); 1592 vdec_ctrl_deinit(inst); 1593 hfi_session_destroy(inst); 1594 mutex_destroy(&inst->lock); 1595 v4l2_fh_del(&inst->fh); 1596 v4l2_fh_exit(&inst->fh); 1597 1598 vdec_pm_put(inst, false); 1599 1600 kfree(inst); 1601 return 0; 1602} 1603 1604static const struct v4l2_file_operations vdec_fops = { 1605 .owner = THIS_MODULE, 1606 .open = vdec_open, 1607 .release = vdec_close, 1608 .unlocked_ioctl = video_ioctl2, 1609 .poll = v4l2_m2m_fop_poll, 1610 .mmap = v4l2_m2m_fop_mmap, 1611}; 1612 1613static int vdec_probe(struct platform_device *pdev) 1614{ 1615 struct device *dev = &pdev->dev; 1616 struct video_device *vdev; 1617 struct venus_core *core; 1618 int ret; 1619 1620 if (!dev->parent) 1621 return -EPROBE_DEFER; 1622 1623 core = dev_get_drvdata(dev->parent); 1624 if (!core) 1625 return -EPROBE_DEFER; 1626 1627 platform_set_drvdata(pdev, core); 1628 1629 if (core->pm_ops->vdec_get) { 1630 ret = core->pm_ops->vdec_get(dev); 1631 if (ret) 1632 return ret; 1633 } 1634 1635 vdev = video_device_alloc(); 1636 if (!vdev) 1637 return -ENOMEM; 1638 1639 strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); 1640 vdev->release = video_device_release; 1641 vdev->fops = &vdec_fops; 1642 vdev->ioctl_ops = &vdec_ioctl_ops; 1643 vdev->vfl_dir = VFL_DIR_M2M; 1644 vdev->v4l2_dev = &core->v4l2_dev; 1645 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1646 1647 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1648 if (ret) 1649 goto err_vdev_release; 1650 1651 core->vdev_dec = vdev; 1652 core->dev_dec = dev; 1653 1654 video_set_drvdata(vdev, core); 1655 pm_runtime_set_autosuspend_delay(dev, 2000); 1656 pm_runtime_use_autosuspend(dev); 1657 pm_runtime_enable(dev); 1658 1659 return 0; 1660 1661err_vdev_release: 1662 video_device_release(vdev); 1663 return ret; 1664} 1665 1666static int vdec_remove(struct platform_device *pdev) 1667{ 1668 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1669 1670 video_unregister_device(core->vdev_dec); 1671 pm_runtime_disable(core->dev_dec); 1672 1673 if (core->pm_ops->vdec_put) 1674 core->pm_ops->vdec_put(core->dev_dec); 1675 1676 return 0; 1677} 1678 1679static __maybe_unused int vdec_runtime_suspend(struct device *dev) 1680{ 1681 struct venus_core *core = dev_get_drvdata(dev); 1682 const struct venus_pm_ops *pm_ops = core->pm_ops; 1683 int ret = 0; 1684 1685 if (pm_ops->vdec_power) 1686 ret = pm_ops->vdec_power(dev, POWER_OFF); 1687 1688 return ret; 1689} 1690 1691static __maybe_unused int vdec_runtime_resume(struct device *dev) 1692{ 1693 struct venus_core *core = dev_get_drvdata(dev); 1694 const struct venus_pm_ops *pm_ops = core->pm_ops; 1695 int ret = 0; 1696 1697 if (pm_ops->vdec_power) 1698 ret = pm_ops->vdec_power(dev, POWER_ON); 1699 1700 return ret; 1701} 1702 1703static const struct dev_pm_ops vdec_pm_ops = { 1704 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1705 pm_runtime_force_resume) 1706 SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) 1707}; 1708 1709static const struct of_device_id vdec_dt_match[] = { 1710 { .compatible = "venus-decoder" }, 1711 { } 1712}; 1713MODULE_DEVICE_TABLE(of, vdec_dt_match); 1714 1715static struct platform_driver qcom_venus_dec_driver = { 1716 .probe = vdec_probe, 1717 .remove = vdec_remove, 1718 .driver = { 1719 .name = "qcom-venus-decoder", 1720 .of_match_table = vdec_dt_match, 1721 .pm = &vdec_pm_ops, 1722 }, 1723}; 1724module_platform_driver(qcom_venus_dec_driver); 1725 1726MODULE_ALIAS("platform:qcom-venus-decoder"); 1727MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); 1728MODULE_LICENSE("GPL v2"); 1729