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/module.h> 17 #include <linux/platform_device.h> 18 #include <linux/pm_runtime.h> 19 #include <linux/slab.h> 20 #include <media/v4l2-mem2mem.h> 21 #include <media/videobuf2-dma-sg.h> 22 #include <media/v4l2-ioctl.h> 23 #include <media/v4l2-event.h> 24 #include <media/v4l2-ctrls.h> 25 26 #include "hfi_venus_io.h" 27 #include "core.h" 28 #include "helpers.h" 29 #include "venc.h" 30 31 #define NUM_B_FRAMES_MAX 4 32 33 static u32 get_framesize_uncompressed(unsigned int plane, u32 width, u32 height) 34 { 35 u32 y_stride, uv_stride, y_plane; 36 u32 y_sclines, uv_sclines, uv_plane; 37 u32 size; 38 39 y_stride = ALIGN(width, 128); 40 uv_stride = ALIGN(width, 128); 41 y_sclines = ALIGN(height, 32); 42 uv_sclines = ALIGN(((height + 1) >> 1), 16); 43 44 y_plane = y_stride * y_sclines; 45 uv_plane = uv_stride * uv_sclines + SZ_4K; 46 size = y_plane + uv_plane + SZ_8K; 47 size = ALIGN(size, SZ_4K); 48 49 return size; 50 } 51 52 static u32 get_framesize_compressed(u32 width, u32 height) 53 { 54 u32 sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2; 55 56 return ALIGN(sz, SZ_4K); 57 } 58 59 /* 60 * Three resons to keep MPLANE formats (despite that the number of planes 61 * currently is one): 62 * - the MPLANE formats allow only one plane to be used 63 * - the downstream driver use MPLANE formats too 64 * - future firmware versions could add support for >1 planes 65 */ 66 static const struct venus_format venc_formats[] = { 67 { 68 .pixfmt = V4L2_PIX_FMT_NV12, 69 .num_planes = 1, 70 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 71 }, { 72 .pixfmt = V4L2_PIX_FMT_MPEG4, 73 .num_planes = 1, 74 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 75 }, { 76 .pixfmt = V4L2_PIX_FMT_H263, 77 .num_planes = 1, 78 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 79 }, { 80 .pixfmt = V4L2_PIX_FMT_H264, 81 .num_planes = 1, 82 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 83 }, { 84 .pixfmt = V4L2_PIX_FMT_VP8, 85 .num_planes = 1, 86 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 87 }, 88 }; 89 90 static const struct venus_format * 91 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 92 { 93 const struct venus_format *fmt = venc_formats; 94 unsigned int size = ARRAY_SIZE(venc_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_CAPTURE_MPLANE && 106 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 107 return NULL; 108 109 return &fmt[i]; 110 } 111 112 static const struct venus_format * 113 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 114 { 115 const struct venus_format *fmt = venc_formats; 116 unsigned int size = ARRAY_SIZE(venc_formats); 117 unsigned int i, k = 0; 118 119 if (index > size) 120 return NULL; 121 122 for (i = 0; i < size; i++) { 123 if (fmt[i].type != type) 124 continue; 125 if (k == index) 126 break; 127 k++; 128 } 129 130 if (i == size) 131 return NULL; 132 133 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 134 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 135 return NULL; 136 137 return &fmt[i]; 138 } 139 140 static int venc_v4l2_to_hfi(int id, int value) 141 { 142 switch (id) { 143 case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: 144 switch (value) { 145 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0: 146 default: 147 return HFI_MPEG4_LEVEL_0; 148 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B: 149 return HFI_MPEG4_LEVEL_0b; 150 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1: 151 return HFI_MPEG4_LEVEL_1; 152 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2: 153 return HFI_MPEG4_LEVEL_2; 154 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3: 155 return HFI_MPEG4_LEVEL_3; 156 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4: 157 return HFI_MPEG4_LEVEL_4; 158 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5: 159 return HFI_MPEG4_LEVEL_5; 160 } 161 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: 162 switch (value) { 163 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE: 164 default: 165 return HFI_MPEG4_PROFILE_SIMPLE; 166 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE: 167 return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE; 168 } 169 case V4L2_CID_MPEG_VIDEO_H264_PROFILE: 170 switch (value) { 171 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE: 172 return HFI_H264_PROFILE_BASELINE; 173 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE: 174 return HFI_H264_PROFILE_CONSTRAINED_BASE; 175 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN: 176 return HFI_H264_PROFILE_MAIN; 177 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH: 178 default: 179 return HFI_H264_PROFILE_HIGH; 180 } 181 case V4L2_CID_MPEG_VIDEO_H264_LEVEL: 182 switch (value) { 183 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0: 184 return HFI_H264_LEVEL_1; 185 case V4L2_MPEG_VIDEO_H264_LEVEL_1B: 186 return HFI_H264_LEVEL_1b; 187 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1: 188 return HFI_H264_LEVEL_11; 189 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2: 190 return HFI_H264_LEVEL_12; 191 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3: 192 return HFI_H264_LEVEL_13; 193 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0: 194 return HFI_H264_LEVEL_2; 195 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1: 196 return HFI_H264_LEVEL_21; 197 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2: 198 return HFI_H264_LEVEL_22; 199 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0: 200 return HFI_H264_LEVEL_3; 201 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1: 202 return HFI_H264_LEVEL_31; 203 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2: 204 return HFI_H264_LEVEL_32; 205 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0: 206 return HFI_H264_LEVEL_4; 207 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1: 208 return HFI_H264_LEVEL_41; 209 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2: 210 return HFI_H264_LEVEL_42; 211 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0: 212 default: 213 return HFI_H264_LEVEL_5; 214 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1: 215 return HFI_H264_LEVEL_51; 216 } 217 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: 218 switch (value) { 219 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC: 220 default: 221 return HFI_H264_ENTROPY_CAVLC; 222 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC: 223 return HFI_H264_ENTROPY_CABAC; 224 } 225 case V4L2_CID_MPEG_VIDEO_VPX_PROFILE: 226 switch (value) { 227 case 0: 228 default: 229 return HFI_VPX_PROFILE_VERSION_0; 230 case 1: 231 return HFI_VPX_PROFILE_VERSION_1; 232 case 2: 233 return HFI_VPX_PROFILE_VERSION_2; 234 case 3: 235 return HFI_VPX_PROFILE_VERSION_3; 236 } 237 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: 238 switch (value) { 239 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED: 240 default: 241 return HFI_H264_DB_MODE_ALL_BOUNDARY; 242 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED: 243 return HFI_H264_DB_MODE_DISABLE; 244 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY: 245 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY; 246 } 247 } 248 249 return 0; 250 } 251 252 static int 253 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 254 { 255 strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 256 strlcpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card)); 257 strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 258 259 return 0; 260 } 261 262 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 263 { 264 struct venus_inst *inst = to_inst(file); 265 const struct venus_format *fmt; 266 267 fmt = find_format_by_index(inst, f->index, f->type); 268 269 memset(f->reserved, 0, sizeof(f->reserved)); 270 271 if (!fmt) 272 return -EINVAL; 273 274 f->pixelformat = fmt->pixfmt; 275 276 return 0; 277 } 278 279 static const struct venus_format * 280 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 281 { 282 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 283 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 284 const struct venus_format *fmt; 285 unsigned int p; 286 287 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 288 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 289 290 fmt = find_format(inst, pixmp->pixelformat, f->type); 291 if (!fmt) { 292 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 293 pixmp->pixelformat = V4L2_PIX_FMT_H264; 294 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 295 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 296 else 297 return NULL; 298 fmt = find_format(inst, pixmp->pixelformat, f->type); 299 pixmp->width = 1280; 300 pixmp->height = 720; 301 } 302 303 pixmp->width = clamp(pixmp->width, inst->cap_width.min, 304 inst->cap_width.max); 305 pixmp->height = clamp(pixmp->height, inst->cap_height.min, 306 inst->cap_height.max); 307 308 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 309 pixmp->height = ALIGN(pixmp->height, 32); 310 311 pixmp->width = ALIGN(pixmp->width, 2); 312 pixmp->height = ALIGN(pixmp->height, 2); 313 314 if (pixmp->field == V4L2_FIELD_ANY) 315 pixmp->field = V4L2_FIELD_NONE; 316 pixmp->num_planes = fmt->num_planes; 317 pixmp->flags = 0; 318 319 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 320 for (p = 0; p < pixmp->num_planes; p++) { 321 pfmt[p].sizeimage = 322 get_framesize_uncompressed(p, pixmp->width, 323 pixmp->height); 324 325 pfmt[p].bytesperline = ALIGN(pixmp->width, 128); 326 } 327 } else { 328 pfmt[0].sizeimage = get_framesize_compressed(pixmp->width, 329 pixmp->height); 330 pfmt[0].bytesperline = 0; 331 } 332 333 return fmt; 334 } 335 336 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 337 { 338 struct venus_inst *inst = to_inst(file); 339 340 venc_try_fmt_common(inst, f); 341 342 return 0; 343 } 344 345 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 346 { 347 struct venus_inst *inst = to_inst(file); 348 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 349 struct v4l2_pix_format_mplane orig_pixmp; 350 const struct venus_format *fmt; 351 struct v4l2_format format; 352 u32 pixfmt_out = 0, pixfmt_cap = 0; 353 354 orig_pixmp = *pixmp; 355 356 fmt = venc_try_fmt_common(inst, f); 357 if (!fmt) 358 return -EINVAL; 359 360 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 361 pixfmt_out = pixmp->pixelformat; 362 pixfmt_cap = inst->fmt_cap->pixfmt; 363 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 364 pixfmt_cap = pixmp->pixelformat; 365 pixfmt_out = inst->fmt_out->pixfmt; 366 } 367 368 memset(&format, 0, sizeof(format)); 369 370 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 371 format.fmt.pix_mp.pixelformat = pixfmt_out; 372 format.fmt.pix_mp.width = orig_pixmp.width; 373 format.fmt.pix_mp.height = orig_pixmp.height; 374 venc_try_fmt_common(inst, &format); 375 376 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 377 inst->out_width = format.fmt.pix_mp.width; 378 inst->out_height = format.fmt.pix_mp.height; 379 inst->colorspace = pixmp->colorspace; 380 inst->ycbcr_enc = pixmp->ycbcr_enc; 381 inst->quantization = pixmp->quantization; 382 inst->xfer_func = pixmp->xfer_func; 383 } 384 385 memset(&format, 0, sizeof(format)); 386 387 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 388 format.fmt.pix_mp.pixelformat = pixfmt_cap; 389 format.fmt.pix_mp.width = orig_pixmp.width; 390 format.fmt.pix_mp.height = orig_pixmp.height; 391 venc_try_fmt_common(inst, &format); 392 393 inst->width = format.fmt.pix_mp.width; 394 inst->height = format.fmt.pix_mp.height; 395 396 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 397 inst->fmt_out = fmt; 398 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 399 inst->fmt_cap = fmt; 400 401 return 0; 402 } 403 404 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 405 { 406 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 407 struct venus_inst *inst = to_inst(file); 408 const struct venus_format *fmt; 409 410 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 411 fmt = inst->fmt_cap; 412 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 413 fmt = inst->fmt_out; 414 else 415 return -EINVAL; 416 417 pixmp->pixelformat = fmt->pixfmt; 418 419 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 420 pixmp->width = inst->width; 421 pixmp->height = inst->height; 422 pixmp->colorspace = inst->colorspace; 423 pixmp->ycbcr_enc = inst->ycbcr_enc; 424 pixmp->quantization = inst->quantization; 425 pixmp->xfer_func = inst->xfer_func; 426 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 427 pixmp->width = inst->out_width; 428 pixmp->height = inst->out_height; 429 } 430 431 venc_try_fmt_common(inst, f); 432 433 return 0; 434 } 435 436 static int 437 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 438 { 439 struct venus_inst *inst = to_inst(file); 440 441 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 442 return -EINVAL; 443 444 switch (s->target) { 445 case V4L2_SEL_TGT_CROP_DEFAULT: 446 case V4L2_SEL_TGT_CROP_BOUNDS: 447 s->r.width = inst->width; 448 s->r.height = inst->height; 449 break; 450 case V4L2_SEL_TGT_CROP: 451 s->r.width = inst->out_width; 452 s->r.height = inst->out_height; 453 break; 454 default: 455 return -EINVAL; 456 } 457 458 s->r.top = 0; 459 s->r.left = 0; 460 461 return 0; 462 } 463 464 static int 465 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) 466 { 467 struct venus_inst *inst = to_inst(file); 468 469 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 470 return -EINVAL; 471 472 switch (s->target) { 473 case V4L2_SEL_TGT_CROP: 474 if (s->r.width != inst->out_width || 475 s->r.height != inst->out_height || 476 s->r.top != 0 || s->r.left != 0) 477 return -EINVAL; 478 break; 479 default: 480 return -EINVAL; 481 } 482 483 return 0; 484 } 485 486 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 487 { 488 struct venus_inst *inst = to_inst(file); 489 struct v4l2_outputparm *out = &a->parm.output; 490 struct v4l2_fract *timeperframe = &out->timeperframe; 491 u64 us_per_frame, fps; 492 493 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 494 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 495 return -EINVAL; 496 497 memset(out->reserved, 0, sizeof(out->reserved)); 498 499 if (!timeperframe->denominator) 500 timeperframe->denominator = inst->timeperframe.denominator; 501 if (!timeperframe->numerator) 502 timeperframe->numerator = inst->timeperframe.numerator; 503 504 out->capability = V4L2_CAP_TIMEPERFRAME; 505 506 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 507 do_div(us_per_frame, timeperframe->denominator); 508 509 if (!us_per_frame) 510 return -EINVAL; 511 512 fps = (u64)USEC_PER_SEC; 513 do_div(fps, us_per_frame); 514 515 inst->timeperframe = *timeperframe; 516 inst->fps = fps; 517 518 return 0; 519 } 520 521 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 522 { 523 struct venus_inst *inst = to_inst(file); 524 525 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 526 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 527 return -EINVAL; 528 529 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME; 530 a->parm.output.timeperframe = inst->timeperframe; 531 532 return 0; 533 } 534 535 static int venc_enum_framesizes(struct file *file, void *fh, 536 struct v4l2_frmsizeenum *fsize) 537 { 538 struct venus_inst *inst = to_inst(file); 539 const struct venus_format *fmt; 540 541 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 542 543 fmt = find_format(inst, fsize->pixel_format, 544 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 545 if (!fmt) { 546 fmt = find_format(inst, fsize->pixel_format, 547 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 548 if (!fmt) 549 return -EINVAL; 550 } 551 552 if (fsize->index) 553 return -EINVAL; 554 555 fsize->stepwise.min_width = inst->cap_width.min; 556 fsize->stepwise.max_width = inst->cap_width.max; 557 fsize->stepwise.step_width = inst->cap_width.step_size; 558 fsize->stepwise.min_height = inst->cap_height.min; 559 fsize->stepwise.max_height = inst->cap_height.max; 560 fsize->stepwise.step_height = inst->cap_height.step_size; 561 562 return 0; 563 } 564 565 static int venc_enum_frameintervals(struct file *file, void *fh, 566 struct v4l2_frmivalenum *fival) 567 { 568 struct venus_inst *inst = to_inst(file); 569 const struct venus_format *fmt; 570 571 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; 572 573 fmt = find_format(inst, fival->pixel_format, 574 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 575 if (!fmt) { 576 fmt = find_format(inst, fival->pixel_format, 577 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 578 if (!fmt) 579 return -EINVAL; 580 } 581 582 if (fival->index) 583 return -EINVAL; 584 585 if (!fival->width || !fival->height) 586 return -EINVAL; 587 588 if (fival->width > inst->cap_width.max || 589 fival->width < inst->cap_width.min || 590 fival->height > inst->cap_height.max || 591 fival->height < inst->cap_height.min) 592 return -EINVAL; 593 594 fival->stepwise.min.numerator = 1; 595 fival->stepwise.min.denominator = inst->cap_framerate.max; 596 fival->stepwise.max.numerator = 1; 597 fival->stepwise.max.denominator = inst->cap_framerate.min; 598 fival->stepwise.step.numerator = 1; 599 fival->stepwise.step.denominator = inst->cap_framerate.max; 600 601 return 0; 602 } 603 604 static const struct v4l2_ioctl_ops venc_ioctl_ops = { 605 .vidioc_querycap = venc_querycap, 606 .vidioc_enum_fmt_vid_cap_mplane = venc_enum_fmt, 607 .vidioc_enum_fmt_vid_out_mplane = venc_enum_fmt, 608 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt, 609 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt, 610 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt, 611 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt, 612 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt, 613 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt, 614 .vidioc_g_selection = venc_g_selection, 615 .vidioc_s_selection = venc_s_selection, 616 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 617 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 618 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 619 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 620 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 621 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 622 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 623 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 624 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 625 .vidioc_s_parm = venc_s_parm, 626 .vidioc_g_parm = venc_g_parm, 627 .vidioc_enum_framesizes = venc_enum_framesizes, 628 .vidioc_enum_frameintervals = venc_enum_frameintervals, 629 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 630 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 631 }; 632 633 static int venc_set_properties(struct venus_inst *inst) 634 { 635 struct venc_controls *ctr = &inst->controls.enc; 636 struct hfi_intra_period intra_period; 637 struct hfi_profile_level pl; 638 struct hfi_framerate frate; 639 struct hfi_bitrate brate; 640 struct hfi_idr_period idrp; 641 u32 ptype, rate_control, bitrate, profile = 0, level = 0; 642 int ret; 643 644 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; 645 frate.buffer_type = HFI_BUFFER_OUTPUT; 646 frate.framerate = inst->fps * (1 << 16); 647 648 ret = hfi_session_set_property(inst, ptype, &frate); 649 if (ret) 650 return ret; 651 652 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 653 struct hfi_h264_vui_timing_info info; 654 struct hfi_h264_entropy_control entropy; 655 struct hfi_h264_db_control deblock; 656 657 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO; 658 info.enable = 1; 659 info.fixed_framerate = 1; 660 info.time_scale = NSEC_PER_SEC; 661 662 ret = hfi_session_set_property(inst, ptype, &info); 663 if (ret) 664 return ret; 665 666 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL; 667 entropy.entropy_mode = venc_v4l2_to_hfi( 668 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, 669 ctr->h264_entropy_mode); 670 entropy.cabac_model = HFI_H264_CABAC_MODEL_0; 671 672 ret = hfi_session_set_property(inst, ptype, &entropy); 673 if (ret) 674 return ret; 675 676 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL; 677 deblock.mode = venc_v4l2_to_hfi( 678 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, 679 ctr->h264_loop_filter_mode); 680 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha; 681 deblock.slice_beta_offset = ctr->h264_loop_filter_beta; 682 683 ret = hfi_session_set_property(inst, ptype, &deblock); 684 if (ret) 685 return ret; 686 } 687 688 /* IDR periodicity, n: 689 * n = 0 - only the first I-frame is IDR frame 690 * n = 1 - all I-frames will be IDR frames 691 * n > 1 - every n-th I-frame will be IDR frame 692 */ 693 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD; 694 idrp.idr_period = 0; 695 ret = hfi_session_set_property(inst, ptype, &idrp); 696 if (ret) 697 return ret; 698 699 if (ctr->num_b_frames) { 700 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 701 702 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 703 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 704 if (ret) 705 return ret; 706 } 707 708 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 709 intra_period.pframes = ctr->num_p_frames; 710 intra_period.bframes = ctr->num_b_frames; 711 712 ret = hfi_session_set_property(inst, ptype, &intra_period); 713 if (ret) 714 return ret; 715 716 if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 717 rate_control = HFI_RATE_CONTROL_VBR_CFR; 718 else 719 rate_control = HFI_RATE_CONTROL_CBR_CFR; 720 721 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 722 ret = hfi_session_set_property(inst, ptype, &rate_control); 723 if (ret) 724 return ret; 725 726 if (!ctr->bitrate) 727 bitrate = 64000; 728 else 729 bitrate = ctr->bitrate; 730 731 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 732 brate.bitrate = bitrate; 733 brate.layer_id = 0; 734 735 ret = hfi_session_set_property(inst, ptype, &brate); 736 if (ret) 737 return ret; 738 739 if (!ctr->bitrate_peak) 740 bitrate *= 2; 741 else 742 bitrate = ctr->bitrate_peak; 743 744 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 745 brate.bitrate = bitrate; 746 brate.layer_id = 0; 747 748 ret = hfi_session_set_property(inst, ptype, &brate); 749 if (ret) 750 return ret; 751 752 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 753 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE, 754 ctr->profile.h264); 755 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL, 756 ctr->level.h264); 757 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) { 758 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VPX_PROFILE, 759 ctr->profile.vpx); 760 level = 0; 761 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) { 762 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE, 763 ctr->profile.mpeg4); 764 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL, 765 ctr->level.mpeg4); 766 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) { 767 profile = 0; 768 level = 0; 769 } 770 771 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT; 772 pl.profile = profile; 773 pl.level = level; 774 775 ret = hfi_session_set_property(inst, ptype, &pl); 776 if (ret) 777 return ret; 778 779 return 0; 780 } 781 782 static int venc_init_session(struct venus_inst *inst) 783 { 784 int ret; 785 786 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt); 787 if (ret) 788 return ret; 789 790 ret = venus_helper_set_input_resolution(inst, inst->width, 791 inst->height); 792 if (ret) 793 goto deinit; 794 795 ret = venus_helper_set_output_resolution(inst, inst->width, 796 inst->height); 797 if (ret) 798 goto deinit; 799 800 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt); 801 if (ret) 802 goto deinit; 803 804 ret = venc_set_properties(inst); 805 if (ret) 806 goto deinit; 807 808 return 0; 809 deinit: 810 hfi_session_deinit(inst); 811 return ret; 812 } 813 814 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num) 815 { 816 struct hfi_buffer_requirements bufreq; 817 int ret; 818 819 ret = venc_init_session(inst); 820 if (ret) 821 return ret; 822 823 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 824 825 *num = bufreq.count_actual; 826 827 hfi_session_deinit(inst); 828 829 return ret; 830 } 831 832 static int venc_queue_setup(struct vb2_queue *q, 833 unsigned int *num_buffers, unsigned int *num_planes, 834 unsigned int sizes[], struct device *alloc_devs[]) 835 { 836 struct venus_inst *inst = vb2_get_drv_priv(q); 837 unsigned int p, num, min = 4; 838 int ret = 0; 839 840 if (*num_planes) { 841 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 842 *num_planes != inst->fmt_out->num_planes) 843 return -EINVAL; 844 845 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 846 *num_planes != inst->fmt_cap->num_planes) 847 return -EINVAL; 848 849 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 850 sizes[0] < inst->input_buf_size) 851 return -EINVAL; 852 853 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 854 sizes[0] < inst->output_buf_size) 855 return -EINVAL; 856 857 return 0; 858 } 859 860 switch (q->type) { 861 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 862 *num_planes = inst->fmt_out->num_planes; 863 864 ret = venc_out_num_buffers(inst, &num); 865 if (ret) 866 break; 867 868 num = max(num, min); 869 *num_buffers = max(*num_buffers, num); 870 inst->num_input_bufs = *num_buffers; 871 872 for (p = 0; p < *num_planes; ++p) 873 sizes[p] = get_framesize_uncompressed(p, inst->width, 874 inst->height); 875 inst->input_buf_size = sizes[0]; 876 break; 877 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 878 *num_planes = inst->fmt_cap->num_planes; 879 *num_buffers = max(*num_buffers, min); 880 inst->num_output_bufs = *num_buffers; 881 sizes[0] = get_framesize_compressed(inst->width, inst->height); 882 inst->output_buf_size = sizes[0]; 883 break; 884 default: 885 ret = -EINVAL; 886 break; 887 } 888 889 return ret; 890 } 891 892 static int venc_verify_conf(struct venus_inst *inst) 893 { 894 struct hfi_buffer_requirements bufreq; 895 int ret; 896 897 if (!inst->num_input_bufs || !inst->num_output_bufs) 898 return -EINVAL; 899 900 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 901 if (ret) 902 return ret; 903 904 if (inst->num_output_bufs < bufreq.count_actual || 905 inst->num_output_bufs < bufreq.count_min) 906 return -EINVAL; 907 908 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 909 if (ret) 910 return ret; 911 912 if (inst->num_input_bufs < bufreq.count_actual || 913 inst->num_input_bufs < bufreq.count_min) 914 return -EINVAL; 915 916 return 0; 917 } 918 919 static int venc_start_streaming(struct vb2_queue *q, unsigned int count) 920 { 921 struct venus_inst *inst = vb2_get_drv_priv(q); 922 int ret; 923 924 mutex_lock(&inst->lock); 925 926 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 927 inst->streamon_out = 1; 928 else 929 inst->streamon_cap = 1; 930 931 if (!(inst->streamon_out & inst->streamon_cap)) { 932 mutex_unlock(&inst->lock); 933 return 0; 934 } 935 936 venus_helper_init_instance(inst); 937 938 inst->sequence_cap = 0; 939 inst->sequence_out = 0; 940 941 ret = venc_init_session(inst); 942 if (ret) 943 goto bufs_done; 944 945 ret = venc_set_properties(inst); 946 if (ret) 947 goto deinit_sess; 948 949 ret = venc_verify_conf(inst); 950 if (ret) 951 goto deinit_sess; 952 953 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 954 inst->num_output_bufs); 955 if (ret) 956 goto deinit_sess; 957 958 ret = venus_helper_vb2_start_streaming(inst); 959 if (ret) 960 goto deinit_sess; 961 962 mutex_unlock(&inst->lock); 963 964 return 0; 965 966 deinit_sess: 967 hfi_session_deinit(inst); 968 bufs_done: 969 venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED); 970 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 971 inst->streamon_out = 0; 972 else 973 inst->streamon_cap = 0; 974 mutex_unlock(&inst->lock); 975 return ret; 976 } 977 978 static const struct vb2_ops venc_vb2_ops = { 979 .queue_setup = venc_queue_setup, 980 .buf_init = venus_helper_vb2_buf_init, 981 .buf_prepare = venus_helper_vb2_buf_prepare, 982 .start_streaming = venc_start_streaming, 983 .stop_streaming = venus_helper_vb2_stop_streaming, 984 .buf_queue = venus_helper_vb2_buf_queue, 985 }; 986 987 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, 988 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 989 u32 hfi_flags, u64 timestamp_us) 990 { 991 struct vb2_v4l2_buffer *vbuf; 992 struct vb2_buffer *vb; 993 unsigned int type; 994 995 if (buf_type == HFI_BUFFER_INPUT) 996 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 997 else 998 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 999 1000 vbuf = venus_helper_find_buf(inst, type, tag); 1001 if (!vbuf) 1002 return; 1003 1004 vbuf->flags = flags; 1005 1006 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1007 vb = &vbuf->vb2_buf; 1008 vb2_set_plane_payload(vb, 0, bytesused + data_offset); 1009 vb->planes[0].data_offset = data_offset; 1010 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1011 vbuf->sequence = inst->sequence_cap++; 1012 } else { 1013 vbuf->sequence = inst->sequence_out++; 1014 } 1015 1016 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1017 } 1018 1019 static void venc_event_notify(struct venus_inst *inst, u32 event, 1020 struct hfi_event_data *data) 1021 { 1022 struct device *dev = inst->core->dev_enc; 1023 1024 if (event == EVT_SESSION_ERROR) { 1025 inst->session_error = true; 1026 dev_err(dev, "enc: event session error %x\n", inst->error); 1027 } 1028 } 1029 1030 static const struct hfi_inst_ops venc_hfi_ops = { 1031 .buf_done = venc_buf_done, 1032 .event_notify = venc_event_notify, 1033 }; 1034 1035 static const struct v4l2_m2m_ops venc_m2m_ops = { 1036 .device_run = venus_helper_m2m_device_run, 1037 .job_abort = venus_helper_m2m_job_abort, 1038 }; 1039 1040 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1041 struct vb2_queue *dst_vq) 1042 { 1043 struct venus_inst *inst = priv; 1044 int ret; 1045 1046 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1047 src_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1048 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1049 src_vq->ops = &venc_vb2_ops; 1050 src_vq->mem_ops = &vb2_dma_sg_memops; 1051 src_vq->drv_priv = inst; 1052 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1053 src_vq->allow_zero_bytesused = 1; 1054 src_vq->min_buffers_needed = 1; 1055 src_vq->dev = inst->core->dev; 1056 if (inst->core->res->hfi_version == HFI_VERSION_1XX) 1057 src_vq->bidirectional = 1; 1058 ret = vb2_queue_init(src_vq); 1059 if (ret) 1060 return ret; 1061 1062 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1063 dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; 1064 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1065 dst_vq->ops = &venc_vb2_ops; 1066 dst_vq->mem_ops = &vb2_dma_sg_memops; 1067 dst_vq->drv_priv = inst; 1068 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1069 dst_vq->allow_zero_bytesused = 1; 1070 dst_vq->min_buffers_needed = 1; 1071 dst_vq->dev = inst->core->dev; 1072 ret = vb2_queue_init(dst_vq); 1073 if (ret) { 1074 vb2_queue_release(src_vq); 1075 return ret; 1076 } 1077 1078 return 0; 1079 } 1080 1081 static void venc_inst_init(struct venus_inst *inst) 1082 { 1083 inst->fmt_cap = &venc_formats[2]; 1084 inst->fmt_out = &venc_formats[0]; 1085 inst->width = 1280; 1086 inst->height = ALIGN(720, 32); 1087 inst->out_width = 1280; 1088 inst->out_height = 720; 1089 inst->fps = 15; 1090 inst->timeperframe.numerator = 1; 1091 inst->timeperframe.denominator = 15; 1092 1093 inst->cap_width.min = 96; 1094 inst->cap_width.max = 1920; 1095 if (inst->core->res->hfi_version == HFI_VERSION_3XX) 1096 inst->cap_width.max = 3840; 1097 inst->cap_width.step_size = 2; 1098 inst->cap_height.min = 64; 1099 inst->cap_height.max = ALIGN(1080, 32); 1100 if (inst->core->res->hfi_version == HFI_VERSION_3XX) 1101 inst->cap_height.max = ALIGN(2160, 32); 1102 inst->cap_height.step_size = 2; 1103 inst->cap_framerate.min = 1; 1104 inst->cap_framerate.max = 30; 1105 inst->cap_framerate.step_size = 1; 1106 inst->cap_mbs_per_frame.min = 24; 1107 inst->cap_mbs_per_frame.max = 8160; 1108 } 1109 1110 static int venc_open(struct file *file) 1111 { 1112 struct venus_core *core = video_drvdata(file); 1113 struct venus_inst *inst; 1114 int ret; 1115 1116 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1117 if (!inst) 1118 return -ENOMEM; 1119 1120 INIT_LIST_HEAD(&inst->registeredbufs); 1121 INIT_LIST_HEAD(&inst->internalbufs); 1122 INIT_LIST_HEAD(&inst->list); 1123 mutex_init(&inst->lock); 1124 1125 inst->core = core; 1126 inst->session_type = VIDC_SESSION_TYPE_ENC; 1127 1128 venus_helper_init_instance(inst); 1129 1130 ret = pm_runtime_get_sync(core->dev_enc); 1131 if (ret < 0) 1132 goto err_free_inst; 1133 1134 ret = venc_ctrl_init(inst); 1135 if (ret) 1136 goto err_put_sync; 1137 1138 ret = hfi_session_create(inst, &venc_hfi_ops); 1139 if (ret) 1140 goto err_ctrl_deinit; 1141 1142 venc_inst_init(inst); 1143 1144 /* 1145 * create m2m device for every instance, the m2m context scheduling 1146 * is made by firmware side so we do not need to care about. 1147 */ 1148 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops); 1149 if (IS_ERR(inst->m2m_dev)) { 1150 ret = PTR_ERR(inst->m2m_dev); 1151 goto err_session_destroy; 1152 } 1153 1154 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1155 if (IS_ERR(inst->m2m_ctx)) { 1156 ret = PTR_ERR(inst->m2m_ctx); 1157 goto err_m2m_release; 1158 } 1159 1160 v4l2_fh_init(&inst->fh, core->vdev_enc); 1161 1162 inst->fh.ctrl_handler = &inst->ctrl_handler; 1163 v4l2_fh_add(&inst->fh); 1164 inst->fh.m2m_ctx = inst->m2m_ctx; 1165 file->private_data = &inst->fh; 1166 1167 return 0; 1168 1169 err_m2m_release: 1170 v4l2_m2m_release(inst->m2m_dev); 1171 err_session_destroy: 1172 hfi_session_destroy(inst); 1173 err_ctrl_deinit: 1174 venc_ctrl_deinit(inst); 1175 err_put_sync: 1176 pm_runtime_put_sync(core->dev_enc); 1177 err_free_inst: 1178 kfree(inst); 1179 return ret; 1180 } 1181 1182 static int venc_close(struct file *file) 1183 { 1184 struct venus_inst *inst = to_inst(file); 1185 1186 v4l2_m2m_ctx_release(inst->m2m_ctx); 1187 v4l2_m2m_release(inst->m2m_dev); 1188 venc_ctrl_deinit(inst); 1189 hfi_session_destroy(inst); 1190 mutex_destroy(&inst->lock); 1191 v4l2_fh_del(&inst->fh); 1192 v4l2_fh_exit(&inst->fh); 1193 1194 pm_runtime_put_sync(inst->core->dev_enc); 1195 1196 kfree(inst); 1197 return 0; 1198 } 1199 1200 static const struct v4l2_file_operations venc_fops = { 1201 .owner = THIS_MODULE, 1202 .open = venc_open, 1203 .release = venc_close, 1204 .unlocked_ioctl = video_ioctl2, 1205 .poll = v4l2_m2m_fop_poll, 1206 .mmap = v4l2_m2m_fop_mmap, 1207 #ifdef CONFIG_COMPAT 1208 .compat_ioctl32 = v4l2_compat_ioctl32, 1209 #endif 1210 }; 1211 1212 static int venc_probe(struct platform_device *pdev) 1213 { 1214 struct device *dev = &pdev->dev; 1215 struct video_device *vdev; 1216 struct venus_core *core; 1217 int ret; 1218 1219 if (!dev->parent) 1220 return -EPROBE_DEFER; 1221 1222 core = dev_get_drvdata(dev->parent); 1223 if (!core) 1224 return -EPROBE_DEFER; 1225 1226 if (core->res->hfi_version == HFI_VERSION_3XX) { 1227 core->core1_clk = devm_clk_get(dev, "core"); 1228 if (IS_ERR(core->core1_clk)) 1229 return PTR_ERR(core->core1_clk); 1230 } 1231 1232 platform_set_drvdata(pdev, core); 1233 1234 vdev = video_device_alloc(); 1235 if (!vdev) 1236 return -ENOMEM; 1237 1238 strlcpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name)); 1239 vdev->release = video_device_release; 1240 vdev->fops = &venc_fops; 1241 vdev->ioctl_ops = &venc_ioctl_ops; 1242 vdev->vfl_dir = VFL_DIR_M2M; 1243 vdev->v4l2_dev = &core->v4l2_dev; 1244 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1245 1246 ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1); 1247 if (ret) 1248 goto err_vdev_release; 1249 1250 core->vdev_enc = vdev; 1251 core->dev_enc = dev; 1252 1253 video_set_drvdata(vdev, core); 1254 pm_runtime_enable(dev); 1255 1256 return 0; 1257 1258 err_vdev_release: 1259 video_device_release(vdev); 1260 return ret; 1261 } 1262 1263 static int venc_remove(struct platform_device *pdev) 1264 { 1265 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1266 1267 video_unregister_device(core->vdev_enc); 1268 pm_runtime_disable(core->dev_enc); 1269 1270 return 0; 1271 } 1272 1273 static __maybe_unused int venc_runtime_suspend(struct device *dev) 1274 { 1275 struct venus_core *core = dev_get_drvdata(dev); 1276 1277 if (core->res->hfi_version == HFI_VERSION_1XX) 1278 return 0; 1279 1280 writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); 1281 clk_disable_unprepare(core->core1_clk); 1282 writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); 1283 1284 return 0; 1285 } 1286 1287 static __maybe_unused int venc_runtime_resume(struct device *dev) 1288 { 1289 struct venus_core *core = dev_get_drvdata(dev); 1290 int ret; 1291 1292 if (core->res->hfi_version == HFI_VERSION_1XX) 1293 return 0; 1294 1295 writel(0, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); 1296 ret = clk_prepare_enable(core->core1_clk); 1297 writel(1, core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL); 1298 1299 return ret; 1300 } 1301 1302 static const struct dev_pm_ops venc_pm_ops = { 1303 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1304 pm_runtime_force_resume) 1305 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) 1306 }; 1307 1308 static const struct of_device_id venc_dt_match[] = { 1309 { .compatible = "venus-encoder" }, 1310 { } 1311 }; 1312 MODULE_DEVICE_TABLE(of, venc_dt_match); 1313 1314 static struct platform_driver qcom_venus_enc_driver = { 1315 .probe = venc_probe, 1316 .remove = venc_remove, 1317 .driver = { 1318 .name = "qcom-venus-encoder", 1319 .of_match_table = venc_dt_match, 1320 .pm = &venc_pm_ops, 1321 }, 1322 }; 1323 module_platform_driver(qcom_venus_enc_driver); 1324 1325 MODULE_ALIAS("platform:qcom-venus-encoder"); 1326 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver"); 1327 MODULE_LICENSE("GPL v2"); 1328