1 /* 2 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. 3 * Copyright (C) 2017 Linaro Ltd. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 and 7 * only version 2 as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 */ 15 #include <linux/clk.h> 16 #include <linux/iopoll.h> 17 #include <linux/list.h> 18 #include <linux/mutex.h> 19 #include <linux/pm_runtime.h> 20 #include <linux/slab.h> 21 #include <media/videobuf2-dma-sg.h> 22 #include <media/v4l2-mem2mem.h> 23 #include <asm/div64.h> 24 25 #include "core.h" 26 #include "helpers.h" 27 #include "hfi_helper.h" 28 #include "hfi_venus_io.h" 29 30 struct intbuf { 31 struct list_head list; 32 u32 type; 33 size_t size; 34 void *va; 35 dma_addr_t da; 36 unsigned long attrs; 37 }; 38 39 bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt) 40 { 41 struct venus_core *core = inst->core; 42 u32 session_type = inst->session_type; 43 u32 codec; 44 45 switch (v4l2_pixfmt) { 46 case V4L2_PIX_FMT_H264: 47 codec = HFI_VIDEO_CODEC_H264; 48 break; 49 case V4L2_PIX_FMT_H263: 50 codec = HFI_VIDEO_CODEC_H263; 51 break; 52 case V4L2_PIX_FMT_MPEG1: 53 codec = HFI_VIDEO_CODEC_MPEG1; 54 break; 55 case V4L2_PIX_FMT_MPEG2: 56 codec = HFI_VIDEO_CODEC_MPEG2; 57 break; 58 case V4L2_PIX_FMT_MPEG4: 59 codec = HFI_VIDEO_CODEC_MPEG4; 60 break; 61 case V4L2_PIX_FMT_VC1_ANNEX_G: 62 case V4L2_PIX_FMT_VC1_ANNEX_L: 63 codec = HFI_VIDEO_CODEC_VC1; 64 break; 65 case V4L2_PIX_FMT_VP8: 66 codec = HFI_VIDEO_CODEC_VP8; 67 break; 68 case V4L2_PIX_FMT_VP9: 69 codec = HFI_VIDEO_CODEC_VP9; 70 break; 71 case V4L2_PIX_FMT_XVID: 72 codec = HFI_VIDEO_CODEC_DIVX; 73 break; 74 case V4L2_PIX_FMT_HEVC: 75 codec = HFI_VIDEO_CODEC_HEVC; 76 break; 77 default: 78 return false; 79 } 80 81 if (session_type == VIDC_SESSION_TYPE_ENC && core->enc_codecs & codec) 82 return true; 83 84 if (session_type == VIDC_SESSION_TYPE_DEC && core->dec_codecs & codec) 85 return true; 86 87 return false; 88 } 89 EXPORT_SYMBOL_GPL(venus_helper_check_codec); 90 91 static int venus_helper_queue_dpb_bufs(struct venus_inst *inst) 92 { 93 struct intbuf *buf; 94 int ret = 0; 95 96 list_for_each_entry(buf, &inst->dpbbufs, list) { 97 struct hfi_frame_data fdata; 98 99 memset(&fdata, 0, sizeof(fdata)); 100 fdata.alloc_len = buf->size; 101 fdata.device_addr = buf->da; 102 fdata.buffer_type = buf->type; 103 104 ret = hfi_session_process_buf(inst, &fdata); 105 if (ret) 106 goto fail; 107 } 108 109 fail: 110 return ret; 111 } 112 113 int venus_helper_free_dpb_bufs(struct venus_inst *inst) 114 { 115 struct intbuf *buf, *n; 116 117 list_for_each_entry_safe(buf, n, &inst->dpbbufs, list) { 118 list_del_init(&buf->list); 119 dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da, 120 buf->attrs); 121 kfree(buf); 122 } 123 124 INIT_LIST_HEAD(&inst->dpbbufs); 125 126 return 0; 127 } 128 EXPORT_SYMBOL_GPL(venus_helper_free_dpb_bufs); 129 130 int venus_helper_alloc_dpb_bufs(struct venus_inst *inst) 131 { 132 struct venus_core *core = inst->core; 133 struct device *dev = core->dev; 134 enum hfi_version ver = core->res->hfi_version; 135 struct hfi_buffer_requirements bufreq; 136 u32 buftype = inst->dpb_buftype; 137 unsigned int dpb_size = 0; 138 struct intbuf *buf; 139 unsigned int i; 140 u32 count; 141 int ret; 142 143 /* no need to allocate dpb buffers */ 144 if (!inst->dpb_fmt) 145 return 0; 146 147 if (inst->dpb_buftype == HFI_BUFFER_OUTPUT) 148 dpb_size = inst->output_buf_size; 149 else if (inst->dpb_buftype == HFI_BUFFER_OUTPUT2) 150 dpb_size = inst->output2_buf_size; 151 152 if (!dpb_size) 153 return 0; 154 155 ret = venus_helper_get_bufreq(inst, buftype, &bufreq); 156 if (ret) 157 return ret; 158 159 count = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); 160 161 for (i = 0; i < count; i++) { 162 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 163 if (!buf) { 164 ret = -ENOMEM; 165 goto fail; 166 } 167 168 buf->type = buftype; 169 buf->size = dpb_size; 170 buf->attrs = DMA_ATTR_WRITE_COMBINE | 171 DMA_ATTR_NO_KERNEL_MAPPING; 172 buf->va = dma_alloc_attrs(dev, buf->size, &buf->da, GFP_KERNEL, 173 buf->attrs); 174 if (!buf->va) { 175 kfree(buf); 176 ret = -ENOMEM; 177 goto fail; 178 } 179 180 list_add_tail(&buf->list, &inst->dpbbufs); 181 } 182 183 return 0; 184 185 fail: 186 venus_helper_free_dpb_bufs(inst); 187 return ret; 188 } 189 EXPORT_SYMBOL_GPL(venus_helper_alloc_dpb_bufs); 190 191 static int intbufs_set_buffer(struct venus_inst *inst, u32 type) 192 { 193 struct venus_core *core = inst->core; 194 struct device *dev = core->dev; 195 struct hfi_buffer_requirements bufreq; 196 struct hfi_buffer_desc bd; 197 struct intbuf *buf; 198 unsigned int i; 199 int ret; 200 201 ret = venus_helper_get_bufreq(inst, type, &bufreq); 202 if (ret) 203 return 0; 204 205 if (!bufreq.size) 206 return 0; 207 208 for (i = 0; i < bufreq.count_actual; i++) { 209 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 210 if (!buf) { 211 ret = -ENOMEM; 212 goto fail; 213 } 214 215 buf->type = bufreq.type; 216 buf->size = bufreq.size; 217 buf->attrs = DMA_ATTR_WRITE_COMBINE | 218 DMA_ATTR_NO_KERNEL_MAPPING; 219 buf->va = dma_alloc_attrs(dev, buf->size, &buf->da, GFP_KERNEL, 220 buf->attrs); 221 if (!buf->va) { 222 ret = -ENOMEM; 223 goto fail; 224 } 225 226 memset(&bd, 0, sizeof(bd)); 227 bd.buffer_size = buf->size; 228 bd.buffer_type = buf->type; 229 bd.num_buffers = 1; 230 bd.device_addr = buf->da; 231 232 ret = hfi_session_set_buffers(inst, &bd); 233 if (ret) { 234 dev_err(dev, "set session buffers failed\n"); 235 goto dma_free; 236 } 237 238 list_add_tail(&buf->list, &inst->internalbufs); 239 } 240 241 return 0; 242 243 dma_free: 244 dma_free_attrs(dev, buf->size, buf->va, buf->da, buf->attrs); 245 fail: 246 kfree(buf); 247 return ret; 248 } 249 250 static int intbufs_unset_buffers(struct venus_inst *inst) 251 { 252 struct hfi_buffer_desc bd = {0}; 253 struct intbuf *buf, *n; 254 int ret = 0; 255 256 list_for_each_entry_safe(buf, n, &inst->internalbufs, list) { 257 bd.buffer_size = buf->size; 258 bd.buffer_type = buf->type; 259 bd.num_buffers = 1; 260 bd.device_addr = buf->da; 261 bd.response_required = true; 262 263 ret = hfi_session_unset_buffers(inst, &bd); 264 265 list_del_init(&buf->list); 266 dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da, 267 buf->attrs); 268 kfree(buf); 269 } 270 271 return ret; 272 } 273 274 static const unsigned int intbuf_types_1xx[] = { 275 HFI_BUFFER_INTERNAL_SCRATCH(HFI_VERSION_1XX), 276 HFI_BUFFER_INTERNAL_SCRATCH_1(HFI_VERSION_1XX), 277 HFI_BUFFER_INTERNAL_SCRATCH_2(HFI_VERSION_1XX), 278 HFI_BUFFER_INTERNAL_PERSIST, 279 HFI_BUFFER_INTERNAL_PERSIST_1, 280 }; 281 282 static const unsigned int intbuf_types_4xx[] = { 283 HFI_BUFFER_INTERNAL_SCRATCH(HFI_VERSION_4XX), 284 HFI_BUFFER_INTERNAL_SCRATCH_1(HFI_VERSION_4XX), 285 HFI_BUFFER_INTERNAL_SCRATCH_2(HFI_VERSION_4XX), 286 HFI_BUFFER_INTERNAL_PERSIST, 287 HFI_BUFFER_INTERNAL_PERSIST_1, 288 }; 289 290 static int intbufs_alloc(struct venus_inst *inst) 291 { 292 const unsigned int *intbuf; 293 size_t arr_sz, i; 294 int ret; 295 296 if (IS_V4(inst->core)) { 297 arr_sz = ARRAY_SIZE(intbuf_types_4xx); 298 intbuf = intbuf_types_4xx; 299 } else { 300 arr_sz = ARRAY_SIZE(intbuf_types_1xx); 301 intbuf = intbuf_types_1xx; 302 } 303 304 for (i = 0; i < arr_sz; i++) { 305 ret = intbufs_set_buffer(inst, intbuf[i]); 306 if (ret) 307 goto error; 308 } 309 310 return 0; 311 312 error: 313 intbufs_unset_buffers(inst); 314 return ret; 315 } 316 317 static int intbufs_free(struct venus_inst *inst) 318 { 319 return intbufs_unset_buffers(inst); 320 } 321 322 static u32 load_per_instance(struct venus_inst *inst) 323 { 324 u32 mbs; 325 326 if (!inst || !(inst->state >= INST_INIT && inst->state < INST_STOP)) 327 return 0; 328 329 mbs = (ALIGN(inst->width, 16) / 16) * (ALIGN(inst->height, 16) / 16); 330 331 return mbs * inst->fps; 332 } 333 334 static u32 load_per_type(struct venus_core *core, u32 session_type) 335 { 336 struct venus_inst *inst = NULL; 337 u32 mbs_per_sec = 0; 338 339 mutex_lock(&core->lock); 340 list_for_each_entry(inst, &core->instances, list) { 341 if (inst->session_type != session_type) 342 continue; 343 344 mbs_per_sec += load_per_instance(inst); 345 } 346 mutex_unlock(&core->lock); 347 348 return mbs_per_sec; 349 } 350 351 static int load_scale_clocks(struct venus_core *core) 352 { 353 const struct freq_tbl *table = core->res->freq_tbl; 354 unsigned int num_rows = core->res->freq_tbl_size; 355 unsigned long freq = table[0].freq; 356 struct clk *clk = core->clks[0]; 357 struct device *dev = core->dev; 358 u32 mbs_per_sec; 359 unsigned int i; 360 int ret; 361 362 mbs_per_sec = load_per_type(core, VIDC_SESSION_TYPE_ENC) + 363 load_per_type(core, VIDC_SESSION_TYPE_DEC); 364 365 if (mbs_per_sec > core->res->max_load) 366 dev_warn(dev, "HW is overloaded, needed: %d max: %d\n", 367 mbs_per_sec, core->res->max_load); 368 369 if (!mbs_per_sec && num_rows > 1) { 370 freq = table[num_rows - 1].freq; 371 goto set_freq; 372 } 373 374 for (i = 0; i < num_rows; i++) { 375 if (mbs_per_sec > table[i].load) 376 break; 377 freq = table[i].freq; 378 } 379 380 set_freq: 381 382 ret = clk_set_rate(clk, freq); 383 if (ret) 384 goto err; 385 386 ret = clk_set_rate(core->core0_clk, freq); 387 if (ret) 388 goto err; 389 390 ret = clk_set_rate(core->core1_clk, freq); 391 if (ret) 392 goto err; 393 394 return 0; 395 396 err: 397 dev_err(dev, "failed to set clock rate %lu (%d)\n", freq, ret); 398 return ret; 399 } 400 401 static void fill_buffer_desc(const struct venus_buffer *buf, 402 struct hfi_buffer_desc *bd, bool response) 403 { 404 memset(bd, 0, sizeof(*bd)); 405 bd->buffer_type = HFI_BUFFER_OUTPUT; 406 bd->buffer_size = buf->size; 407 bd->num_buffers = 1; 408 bd->device_addr = buf->dma_addr; 409 bd->response_required = response; 410 } 411 412 static void return_buf_error(struct venus_inst *inst, 413 struct vb2_v4l2_buffer *vbuf) 414 { 415 struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; 416 417 if (vbuf->vb2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 418 v4l2_m2m_src_buf_remove_by_buf(m2m_ctx, vbuf); 419 else 420 v4l2_m2m_dst_buf_remove_by_buf(m2m_ctx, vbuf); 421 422 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR); 423 } 424 425 static int 426 session_process_buf(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf) 427 { 428 struct venus_buffer *buf = to_venus_buffer(vbuf); 429 struct vb2_buffer *vb = &vbuf->vb2_buf; 430 unsigned int type = vb->type; 431 struct hfi_frame_data fdata; 432 int ret; 433 434 memset(&fdata, 0, sizeof(fdata)); 435 fdata.alloc_len = buf->size; 436 fdata.device_addr = buf->dma_addr; 437 fdata.timestamp = vb->timestamp; 438 do_div(fdata.timestamp, NSEC_PER_USEC); 439 fdata.flags = 0; 440 fdata.clnt_data = vbuf->vb2_buf.index; 441 442 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 443 fdata.buffer_type = HFI_BUFFER_INPUT; 444 fdata.filled_len = vb2_get_plane_payload(vb, 0); 445 fdata.offset = vb->planes[0].data_offset; 446 447 if (vbuf->flags & V4L2_BUF_FLAG_LAST || !fdata.filled_len) 448 fdata.flags |= HFI_BUFFERFLAG_EOS; 449 } else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 450 if (inst->session_type == VIDC_SESSION_TYPE_ENC) 451 fdata.buffer_type = HFI_BUFFER_OUTPUT; 452 else 453 fdata.buffer_type = inst->opb_buftype; 454 fdata.filled_len = 0; 455 fdata.offset = 0; 456 } 457 458 ret = hfi_session_process_buf(inst, &fdata); 459 if (ret) 460 return ret; 461 462 return 0; 463 } 464 465 static bool is_dynamic_bufmode(struct venus_inst *inst) 466 { 467 struct venus_core *core = inst->core; 468 struct venus_caps *caps; 469 470 caps = venus_caps_by_codec(core, inst->hfi_codec, inst->session_type); 471 if (!caps) 472 return false; 473 474 return caps->cap_bufs_mode_dynamic; 475 } 476 477 static int session_unregister_bufs(struct venus_inst *inst) 478 { 479 struct venus_buffer *buf, *n; 480 struct hfi_buffer_desc bd; 481 int ret = 0; 482 483 if (is_dynamic_bufmode(inst)) 484 return 0; 485 486 list_for_each_entry_safe(buf, n, &inst->registeredbufs, reg_list) { 487 fill_buffer_desc(buf, &bd, true); 488 ret = hfi_session_unset_buffers(inst, &bd); 489 list_del_init(&buf->reg_list); 490 } 491 492 return ret; 493 } 494 495 static int session_register_bufs(struct venus_inst *inst) 496 { 497 struct venus_core *core = inst->core; 498 struct device *dev = core->dev; 499 struct hfi_buffer_desc bd; 500 struct venus_buffer *buf; 501 int ret = 0; 502 503 if (is_dynamic_bufmode(inst)) 504 return 0; 505 506 list_for_each_entry(buf, &inst->registeredbufs, reg_list) { 507 fill_buffer_desc(buf, &bd, false); 508 ret = hfi_session_set_buffers(inst, &bd); 509 if (ret) { 510 dev_err(dev, "%s: set buffer failed\n", __func__); 511 break; 512 } 513 } 514 515 return ret; 516 } 517 518 static u32 to_hfi_raw_fmt(u32 v4l2_fmt) 519 { 520 switch (v4l2_fmt) { 521 case V4L2_PIX_FMT_NV12: 522 return HFI_COLOR_FORMAT_NV12; 523 case V4L2_PIX_FMT_NV21: 524 return HFI_COLOR_FORMAT_NV21; 525 default: 526 break; 527 } 528 529 return 0; 530 } 531 532 int venus_helper_get_bufreq(struct venus_inst *inst, u32 type, 533 struct hfi_buffer_requirements *req) 534 { 535 u32 ptype = HFI_PROPERTY_CONFIG_BUFFER_REQUIREMENTS; 536 union hfi_get_property hprop; 537 unsigned int i; 538 int ret; 539 540 if (req) 541 memset(req, 0, sizeof(*req)); 542 543 ret = hfi_session_get_property(inst, ptype, &hprop); 544 if (ret) 545 return ret; 546 547 ret = -EINVAL; 548 549 for (i = 0; i < HFI_BUFFER_TYPE_MAX; i++) { 550 if (hprop.bufreq[i].type != type) 551 continue; 552 553 if (req) 554 memcpy(req, &hprop.bufreq[i], sizeof(*req)); 555 ret = 0; 556 break; 557 } 558 559 return ret; 560 } 561 EXPORT_SYMBOL_GPL(venus_helper_get_bufreq); 562 563 static u32 get_framesize_raw_nv12(u32 width, u32 height) 564 { 565 u32 y_stride, uv_stride, y_plane; 566 u32 y_sclines, uv_sclines, uv_plane; 567 u32 size; 568 569 y_stride = ALIGN(width, 128); 570 uv_stride = ALIGN(width, 128); 571 y_sclines = ALIGN(height, 32); 572 uv_sclines = ALIGN(((height + 1) >> 1), 16); 573 574 y_plane = y_stride * y_sclines; 575 uv_plane = uv_stride * uv_sclines + SZ_4K; 576 size = y_plane + uv_plane + SZ_8K; 577 578 return ALIGN(size, SZ_4K); 579 } 580 581 static u32 get_framesize_raw_nv12_ubwc(u32 width, u32 height) 582 { 583 u32 y_meta_stride, y_meta_plane; 584 u32 y_stride, y_plane; 585 u32 uv_meta_stride, uv_meta_plane; 586 u32 uv_stride, uv_plane; 587 u32 extradata = SZ_16K; 588 589 y_meta_stride = ALIGN(DIV_ROUND_UP(width, 32), 64); 590 y_meta_plane = y_meta_stride * ALIGN(DIV_ROUND_UP(height, 8), 16); 591 y_meta_plane = ALIGN(y_meta_plane, SZ_4K); 592 593 y_stride = ALIGN(width, 128); 594 y_plane = ALIGN(y_stride * ALIGN(height, 32), SZ_4K); 595 596 uv_meta_stride = ALIGN(DIV_ROUND_UP(width / 2, 16), 64); 597 uv_meta_plane = uv_meta_stride * ALIGN(DIV_ROUND_UP(height / 2, 8), 16); 598 uv_meta_plane = ALIGN(uv_meta_plane, SZ_4K); 599 600 uv_stride = ALIGN(width, 128); 601 uv_plane = ALIGN(uv_stride * ALIGN(height / 2, 32), SZ_4K); 602 603 return ALIGN(y_meta_plane + y_plane + uv_meta_plane + uv_plane + 604 max(extradata, y_stride * 48), SZ_4K); 605 } 606 607 u32 venus_helper_get_framesz_raw(u32 hfi_fmt, u32 width, u32 height) 608 { 609 switch (hfi_fmt) { 610 case HFI_COLOR_FORMAT_NV12: 611 case HFI_COLOR_FORMAT_NV21: 612 return get_framesize_raw_nv12(width, height); 613 case HFI_COLOR_FORMAT_NV12_UBWC: 614 return get_framesize_raw_nv12_ubwc(width, height); 615 default: 616 return 0; 617 } 618 } 619 EXPORT_SYMBOL_GPL(venus_helper_get_framesz_raw); 620 621 u32 venus_helper_get_framesz(u32 v4l2_fmt, u32 width, u32 height) 622 { 623 u32 hfi_fmt, sz; 624 bool compressed; 625 626 switch (v4l2_fmt) { 627 case V4L2_PIX_FMT_MPEG: 628 case V4L2_PIX_FMT_H264: 629 case V4L2_PIX_FMT_H264_NO_SC: 630 case V4L2_PIX_FMT_H264_MVC: 631 case V4L2_PIX_FMT_H263: 632 case V4L2_PIX_FMT_MPEG1: 633 case V4L2_PIX_FMT_MPEG2: 634 case V4L2_PIX_FMT_MPEG4: 635 case V4L2_PIX_FMT_XVID: 636 case V4L2_PIX_FMT_VC1_ANNEX_G: 637 case V4L2_PIX_FMT_VC1_ANNEX_L: 638 case V4L2_PIX_FMT_VP8: 639 case V4L2_PIX_FMT_VP9: 640 case V4L2_PIX_FMT_HEVC: 641 compressed = true; 642 break; 643 default: 644 compressed = false; 645 break; 646 } 647 648 if (compressed) { 649 sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2; 650 return ALIGN(sz, SZ_4K); 651 } 652 653 hfi_fmt = to_hfi_raw_fmt(v4l2_fmt); 654 if (!hfi_fmt) 655 return 0; 656 657 return venus_helper_get_framesz_raw(hfi_fmt, width, height); 658 } 659 EXPORT_SYMBOL_GPL(venus_helper_get_framesz); 660 661 int venus_helper_set_input_resolution(struct venus_inst *inst, 662 unsigned int width, unsigned int height) 663 { 664 u32 ptype = HFI_PROPERTY_PARAM_FRAME_SIZE; 665 struct hfi_framesize fs; 666 667 fs.buffer_type = HFI_BUFFER_INPUT; 668 fs.width = width; 669 fs.height = height; 670 671 return hfi_session_set_property(inst, ptype, &fs); 672 } 673 EXPORT_SYMBOL_GPL(venus_helper_set_input_resolution); 674 675 int venus_helper_set_output_resolution(struct venus_inst *inst, 676 unsigned int width, unsigned int height, 677 u32 buftype) 678 { 679 u32 ptype = HFI_PROPERTY_PARAM_FRAME_SIZE; 680 struct hfi_framesize fs; 681 682 fs.buffer_type = buftype; 683 fs.width = width; 684 fs.height = height; 685 686 return hfi_session_set_property(inst, ptype, &fs); 687 } 688 EXPORT_SYMBOL_GPL(venus_helper_set_output_resolution); 689 690 int venus_helper_set_work_mode(struct venus_inst *inst, u32 mode) 691 { 692 const u32 ptype = HFI_PROPERTY_PARAM_WORK_MODE; 693 struct hfi_video_work_mode wm; 694 695 if (!IS_V4(inst->core)) 696 return 0; 697 698 wm.video_work_mode = mode; 699 700 return hfi_session_set_property(inst, ptype, &wm); 701 } 702 EXPORT_SYMBOL_GPL(venus_helper_set_work_mode); 703 704 int venus_helper_set_core_usage(struct venus_inst *inst, u32 usage) 705 { 706 const u32 ptype = HFI_PROPERTY_CONFIG_VIDEOCORES_USAGE; 707 struct hfi_videocores_usage_type cu; 708 709 if (!IS_V4(inst->core)) 710 return 0; 711 712 cu.video_core_enable_mask = usage; 713 714 return hfi_session_set_property(inst, ptype, &cu); 715 } 716 EXPORT_SYMBOL_GPL(venus_helper_set_core_usage); 717 718 int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs, 719 unsigned int output_bufs, 720 unsigned int output2_bufs) 721 { 722 u32 ptype = HFI_PROPERTY_PARAM_BUFFER_COUNT_ACTUAL; 723 struct hfi_buffer_count_actual buf_count; 724 int ret; 725 726 buf_count.type = HFI_BUFFER_INPUT; 727 buf_count.count_actual = input_bufs; 728 729 ret = hfi_session_set_property(inst, ptype, &buf_count); 730 if (ret) 731 return ret; 732 733 buf_count.type = HFI_BUFFER_OUTPUT; 734 buf_count.count_actual = output_bufs; 735 736 ret = hfi_session_set_property(inst, ptype, &buf_count); 737 if (ret) 738 return ret; 739 740 if (output2_bufs) { 741 buf_count.type = HFI_BUFFER_OUTPUT2; 742 buf_count.count_actual = output2_bufs; 743 744 ret = hfi_session_set_property(inst, ptype, &buf_count); 745 } 746 747 return ret; 748 } 749 EXPORT_SYMBOL_GPL(venus_helper_set_num_bufs); 750 751 int venus_helper_set_raw_format(struct venus_inst *inst, u32 hfi_format, 752 u32 buftype) 753 { 754 const u32 ptype = HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SELECT; 755 struct hfi_uncompressed_format_select fmt; 756 757 fmt.buffer_type = buftype; 758 fmt.format = hfi_format; 759 760 return hfi_session_set_property(inst, ptype, &fmt); 761 } 762 EXPORT_SYMBOL_GPL(venus_helper_set_raw_format); 763 764 int venus_helper_set_color_format(struct venus_inst *inst, u32 pixfmt) 765 { 766 u32 hfi_format, buftype; 767 768 if (inst->session_type == VIDC_SESSION_TYPE_DEC) 769 buftype = HFI_BUFFER_OUTPUT; 770 else if (inst->session_type == VIDC_SESSION_TYPE_ENC) 771 buftype = HFI_BUFFER_INPUT; 772 else 773 return -EINVAL; 774 775 hfi_format = to_hfi_raw_fmt(pixfmt); 776 if (!hfi_format) 777 return -EINVAL; 778 779 return venus_helper_set_raw_format(inst, hfi_format, buftype); 780 } 781 EXPORT_SYMBOL_GPL(venus_helper_set_color_format); 782 783 int venus_helper_set_multistream(struct venus_inst *inst, bool out_en, 784 bool out2_en) 785 { 786 struct hfi_multi_stream multi = {0}; 787 u32 ptype = HFI_PROPERTY_PARAM_VDEC_MULTI_STREAM; 788 int ret; 789 790 multi.buffer_type = HFI_BUFFER_OUTPUT; 791 multi.enable = out_en; 792 793 ret = hfi_session_set_property(inst, ptype, &multi); 794 if (ret) 795 return ret; 796 797 multi.buffer_type = HFI_BUFFER_OUTPUT2; 798 multi.enable = out2_en; 799 800 return hfi_session_set_property(inst, ptype, &multi); 801 } 802 EXPORT_SYMBOL_GPL(venus_helper_set_multistream); 803 804 int venus_helper_set_dyn_bufmode(struct venus_inst *inst) 805 { 806 const u32 ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE; 807 struct hfi_buffer_alloc_mode mode; 808 int ret; 809 810 if (!is_dynamic_bufmode(inst)) 811 return 0; 812 813 mode.type = HFI_BUFFER_OUTPUT; 814 mode.mode = HFI_BUFFER_MODE_DYNAMIC; 815 816 ret = hfi_session_set_property(inst, ptype, &mode); 817 if (ret) 818 return ret; 819 820 mode.type = HFI_BUFFER_OUTPUT2; 821 822 return hfi_session_set_property(inst, ptype, &mode); 823 } 824 EXPORT_SYMBOL_GPL(venus_helper_set_dyn_bufmode); 825 826 int venus_helper_set_bufsize(struct venus_inst *inst, u32 bufsize, u32 buftype) 827 { 828 const u32 ptype = HFI_PROPERTY_PARAM_BUFFER_SIZE_ACTUAL; 829 struct hfi_buffer_size_actual bufsz; 830 831 bufsz.type = buftype; 832 bufsz.size = bufsize; 833 834 return hfi_session_set_property(inst, ptype, &bufsz); 835 } 836 EXPORT_SYMBOL_GPL(venus_helper_set_bufsize); 837 838 unsigned int venus_helper_get_opb_size(struct venus_inst *inst) 839 { 840 /* the encoder has only one output */ 841 if (inst->session_type == VIDC_SESSION_TYPE_ENC) 842 return inst->output_buf_size; 843 844 if (inst->opb_buftype == HFI_BUFFER_OUTPUT) 845 return inst->output_buf_size; 846 else if (inst->opb_buftype == HFI_BUFFER_OUTPUT2) 847 return inst->output2_buf_size; 848 849 return 0; 850 } 851 EXPORT_SYMBOL_GPL(venus_helper_get_opb_size); 852 853 static void delayed_process_buf_func(struct work_struct *work) 854 { 855 struct venus_buffer *buf, *n; 856 struct venus_inst *inst; 857 int ret; 858 859 inst = container_of(work, struct venus_inst, delayed_process_work); 860 861 mutex_lock(&inst->lock); 862 863 if (!(inst->streamon_out & inst->streamon_cap)) 864 goto unlock; 865 866 list_for_each_entry_safe(buf, n, &inst->delayed_process, ref_list) { 867 if (buf->flags & HFI_BUFFERFLAG_READONLY) 868 continue; 869 870 ret = session_process_buf(inst, &buf->vb); 871 if (ret) 872 return_buf_error(inst, &buf->vb); 873 874 list_del_init(&buf->ref_list); 875 } 876 unlock: 877 mutex_unlock(&inst->lock); 878 } 879 880 void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx) 881 { 882 struct venus_buffer *buf; 883 884 list_for_each_entry(buf, &inst->registeredbufs, reg_list) { 885 if (buf->vb.vb2_buf.index == idx) { 886 buf->flags &= ~HFI_BUFFERFLAG_READONLY; 887 schedule_work(&inst->delayed_process_work); 888 break; 889 } 890 } 891 } 892 EXPORT_SYMBOL_GPL(venus_helper_release_buf_ref); 893 894 void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf) 895 { 896 struct venus_buffer *buf = to_venus_buffer(vbuf); 897 898 buf->flags |= HFI_BUFFERFLAG_READONLY; 899 } 900 EXPORT_SYMBOL_GPL(venus_helper_acquire_buf_ref); 901 902 static int is_buf_refed(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf) 903 { 904 struct venus_buffer *buf = to_venus_buffer(vbuf); 905 906 if (buf->flags & HFI_BUFFERFLAG_READONLY) { 907 list_add_tail(&buf->ref_list, &inst->delayed_process); 908 schedule_work(&inst->delayed_process_work); 909 return 1; 910 } 911 912 return 0; 913 } 914 915 struct vb2_v4l2_buffer * 916 venus_helper_find_buf(struct venus_inst *inst, unsigned int type, u32 idx) 917 { 918 struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; 919 920 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 921 return v4l2_m2m_src_buf_remove_by_idx(m2m_ctx, idx); 922 else 923 return v4l2_m2m_dst_buf_remove_by_idx(m2m_ctx, idx); 924 } 925 EXPORT_SYMBOL_GPL(venus_helper_find_buf); 926 927 int venus_helper_vb2_buf_init(struct vb2_buffer *vb) 928 { 929 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 930 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 931 struct venus_buffer *buf = to_venus_buffer(vbuf); 932 struct sg_table *sgt; 933 934 sgt = vb2_dma_sg_plane_desc(vb, 0); 935 if (!sgt) 936 return -EFAULT; 937 938 buf->size = vb2_plane_size(vb, 0); 939 buf->dma_addr = sg_dma_address(sgt->sgl); 940 941 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 942 list_add_tail(&buf->reg_list, &inst->registeredbufs); 943 944 return 0; 945 } 946 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_init); 947 948 int venus_helper_vb2_buf_prepare(struct vb2_buffer *vb) 949 { 950 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 951 unsigned int out_buf_size = venus_helper_get_opb_size(inst); 952 953 if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 954 vb2_plane_size(vb, 0) < out_buf_size) 955 return -EINVAL; 956 if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 957 vb2_plane_size(vb, 0) < inst->input_buf_size) 958 return -EINVAL; 959 960 return 0; 961 } 962 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_prepare); 963 964 void venus_helper_vb2_buf_queue(struct vb2_buffer *vb) 965 { 966 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 967 struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); 968 struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; 969 int ret; 970 971 mutex_lock(&inst->lock); 972 973 v4l2_m2m_buf_queue(m2m_ctx, vbuf); 974 975 if (!(inst->streamon_out & inst->streamon_cap)) 976 goto unlock; 977 978 ret = is_buf_refed(inst, vbuf); 979 if (ret) 980 goto unlock; 981 982 ret = session_process_buf(inst, vbuf); 983 if (ret) 984 return_buf_error(inst, vbuf); 985 986 unlock: 987 mutex_unlock(&inst->lock); 988 } 989 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_queue); 990 991 void venus_helper_buffers_done(struct venus_inst *inst, 992 enum vb2_buffer_state state) 993 { 994 struct vb2_v4l2_buffer *buf; 995 996 while ((buf = v4l2_m2m_src_buf_remove(inst->m2m_ctx))) 997 v4l2_m2m_buf_done(buf, state); 998 while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) 999 v4l2_m2m_buf_done(buf, state); 1000 } 1001 EXPORT_SYMBOL_GPL(venus_helper_buffers_done); 1002 1003 void venus_helper_vb2_stop_streaming(struct vb2_queue *q) 1004 { 1005 struct venus_inst *inst = vb2_get_drv_priv(q); 1006 struct venus_core *core = inst->core; 1007 int ret; 1008 1009 mutex_lock(&inst->lock); 1010 1011 if (inst->streamon_out & inst->streamon_cap) { 1012 ret = hfi_session_stop(inst); 1013 ret |= hfi_session_unload_res(inst); 1014 ret |= session_unregister_bufs(inst); 1015 ret |= intbufs_free(inst); 1016 ret |= hfi_session_deinit(inst); 1017 1018 if (inst->session_error || core->sys_error) 1019 ret = -EIO; 1020 1021 if (ret) 1022 hfi_session_abort(inst); 1023 1024 venus_helper_free_dpb_bufs(inst); 1025 1026 load_scale_clocks(core); 1027 INIT_LIST_HEAD(&inst->registeredbufs); 1028 } 1029 1030 venus_helper_buffers_done(inst, VB2_BUF_STATE_ERROR); 1031 1032 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1033 inst->streamon_out = 0; 1034 else 1035 inst->streamon_cap = 0; 1036 1037 mutex_unlock(&inst->lock); 1038 } 1039 EXPORT_SYMBOL_GPL(venus_helper_vb2_stop_streaming); 1040 1041 int venus_helper_vb2_start_streaming(struct venus_inst *inst) 1042 { 1043 struct venus_core *core = inst->core; 1044 int ret; 1045 1046 ret = intbufs_alloc(inst); 1047 if (ret) 1048 return ret; 1049 1050 ret = session_register_bufs(inst); 1051 if (ret) 1052 goto err_bufs_free; 1053 1054 load_scale_clocks(core); 1055 1056 ret = hfi_session_load_res(inst); 1057 if (ret) 1058 goto err_unreg_bufs; 1059 1060 ret = hfi_session_start(inst); 1061 if (ret) 1062 goto err_unload_res; 1063 1064 ret = venus_helper_queue_dpb_bufs(inst); 1065 if (ret) 1066 goto err_session_stop; 1067 1068 return 0; 1069 1070 err_session_stop: 1071 hfi_session_stop(inst); 1072 err_unload_res: 1073 hfi_session_unload_res(inst); 1074 err_unreg_bufs: 1075 session_unregister_bufs(inst); 1076 err_bufs_free: 1077 intbufs_free(inst); 1078 return ret; 1079 } 1080 EXPORT_SYMBOL_GPL(venus_helper_vb2_start_streaming); 1081 1082 void venus_helper_m2m_device_run(void *priv) 1083 { 1084 struct venus_inst *inst = priv; 1085 struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; 1086 struct v4l2_m2m_buffer *buf, *n; 1087 int ret; 1088 1089 mutex_lock(&inst->lock); 1090 1091 v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buf, n) { 1092 ret = session_process_buf(inst, &buf->vb); 1093 if (ret) 1094 return_buf_error(inst, &buf->vb); 1095 } 1096 1097 v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buf, n) { 1098 ret = session_process_buf(inst, &buf->vb); 1099 if (ret) 1100 return_buf_error(inst, &buf->vb); 1101 } 1102 1103 mutex_unlock(&inst->lock); 1104 } 1105 EXPORT_SYMBOL_GPL(venus_helper_m2m_device_run); 1106 1107 void venus_helper_m2m_job_abort(void *priv) 1108 { 1109 struct venus_inst *inst = priv; 1110 1111 v4l2_m2m_job_finish(inst->m2m_dev, inst->m2m_ctx); 1112 } 1113 EXPORT_SYMBOL_GPL(venus_helper_m2m_job_abort); 1114 1115 void venus_helper_init_instance(struct venus_inst *inst) 1116 { 1117 if (inst->session_type == VIDC_SESSION_TYPE_DEC) { 1118 INIT_LIST_HEAD(&inst->delayed_process); 1119 INIT_WORK(&inst->delayed_process_work, 1120 delayed_process_buf_func); 1121 } 1122 } 1123 EXPORT_SYMBOL_GPL(venus_helper_init_instance); 1124 1125 static bool find_fmt_from_caps(struct venus_caps *caps, u32 buftype, u32 fmt) 1126 { 1127 unsigned int i; 1128 1129 for (i = 0; i < caps->num_fmts; i++) { 1130 if (caps->fmts[i].buftype == buftype && 1131 caps->fmts[i].fmt == fmt) 1132 return true; 1133 } 1134 1135 return false; 1136 } 1137 1138 int venus_helper_get_out_fmts(struct venus_inst *inst, u32 v4l2_fmt, 1139 u32 *out_fmt, u32 *out2_fmt, bool ubwc) 1140 { 1141 struct venus_core *core = inst->core; 1142 struct venus_caps *caps; 1143 u32 ubwc_fmt, fmt = to_hfi_raw_fmt(v4l2_fmt); 1144 bool found, found_ubwc; 1145 1146 *out_fmt = *out2_fmt = 0; 1147 1148 if (!fmt) 1149 return -EINVAL; 1150 1151 caps = venus_caps_by_codec(core, inst->hfi_codec, inst->session_type); 1152 if (!caps) 1153 return -EINVAL; 1154 1155 if (ubwc) { 1156 ubwc_fmt = fmt | HFI_COLOR_FORMAT_UBWC_BASE; 1157 found_ubwc = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT, 1158 ubwc_fmt); 1159 found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2, fmt); 1160 1161 if (found_ubwc && found) { 1162 *out_fmt = ubwc_fmt; 1163 *out2_fmt = fmt; 1164 return 0; 1165 } 1166 } 1167 1168 found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT, fmt); 1169 if (found) { 1170 *out_fmt = fmt; 1171 *out2_fmt = 0; 1172 return 0; 1173 } 1174 1175 found = find_fmt_from_caps(caps, HFI_BUFFER_OUTPUT2, fmt); 1176 if (found) { 1177 *out_fmt = 0; 1178 *out2_fmt = fmt; 1179 return 0; 1180 } 1181 1182 return -EINVAL; 1183 } 1184 EXPORT_SYMBOL_GPL(venus_helper_get_out_fmts); 1185 1186 int venus_helper_power_enable(struct venus_core *core, u32 session_type, 1187 bool enable) 1188 { 1189 void __iomem *ctrl, *stat; 1190 u32 val; 1191 int ret; 1192 1193 if (!IS_V3(core) && !IS_V4(core)) 1194 return 0; 1195 1196 if (IS_V3(core)) { 1197 if (session_type == VIDC_SESSION_TYPE_DEC) 1198 ctrl = core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL; 1199 else 1200 ctrl = core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL; 1201 if (enable) 1202 writel(0, ctrl); 1203 else 1204 writel(1, ctrl); 1205 1206 return 0; 1207 } 1208 1209 if (session_type == VIDC_SESSION_TYPE_DEC) { 1210 ctrl = core->base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL; 1211 stat = core->base + WRAPPER_VCODEC0_MMCC_POWER_STATUS; 1212 } else { 1213 ctrl = core->base + WRAPPER_VCODEC1_MMCC_POWER_CONTROL; 1214 stat = core->base + WRAPPER_VCODEC1_MMCC_POWER_STATUS; 1215 } 1216 1217 if (enable) { 1218 writel(0, ctrl); 1219 1220 ret = readl_poll_timeout(stat, val, val & BIT(1), 1, 100); 1221 if (ret) 1222 return ret; 1223 } else { 1224 writel(1, ctrl); 1225 1226 ret = readl_poll_timeout(stat, val, !(val & BIT(1)), 1, 100); 1227 if (ret) 1228 return ret; 1229 } 1230 1231 return 0; 1232 } 1233 EXPORT_SYMBOL_GPL(venus_helper_power_enable); 1234