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-mem2mem.h> 13 #include <media/videobuf2-dma-sg.h> 14 #include <media/v4l2-ioctl.h> 15 #include <media/v4l2-event.h> 16 #include <media/v4l2-ctrls.h> 17 18 #include "hfi_venus_io.h" 19 #include "hfi_parser.h" 20 #include "core.h" 21 #include "helpers.h" 22 #include "venc.h" 23 #include "pm_helpers.h" 24 25 #define NUM_B_FRAMES_MAX 4 26 27 /* 28 * Three resons to keep MPLANE formats (despite that the number of planes 29 * currently is one): 30 * - the MPLANE formats allow only one plane to be used 31 * - the downstream driver use MPLANE formats too 32 * - future firmware versions could add support for >1 planes 33 */ 34 static const struct venus_format venc_formats[] = { 35 { 36 .pixfmt = V4L2_PIX_FMT_NV12, 37 .num_planes = 1, 38 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 39 }, { 40 .pixfmt = V4L2_PIX_FMT_MPEG4, 41 .num_planes = 1, 42 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 43 }, { 44 .pixfmt = V4L2_PIX_FMT_H263, 45 .num_planes = 1, 46 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 47 }, { 48 .pixfmt = V4L2_PIX_FMT_H264, 49 .num_planes = 1, 50 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 51 }, { 52 .pixfmt = V4L2_PIX_FMT_VP8, 53 .num_planes = 1, 54 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 55 }, { 56 .pixfmt = V4L2_PIX_FMT_HEVC, 57 .num_planes = 1, 58 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 59 }, 60 }; 61 62 static const struct venus_format * 63 find_format(struct venus_inst *inst, u32 pixfmt, u32 type) 64 { 65 const struct venus_format *fmt = venc_formats; 66 unsigned int size = ARRAY_SIZE(venc_formats); 67 unsigned int i; 68 69 for (i = 0; i < size; i++) { 70 if (fmt[i].pixfmt == pixfmt) 71 break; 72 } 73 74 if (i == size || fmt[i].type != type) 75 return NULL; 76 77 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 78 !venus_helper_check_codec(inst, fmt[i].pixfmt)) 79 return NULL; 80 81 return &fmt[i]; 82 } 83 84 static const struct venus_format * 85 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) 86 { 87 const struct venus_format *fmt = venc_formats; 88 unsigned int size = ARRAY_SIZE(venc_formats); 89 unsigned int i, k = 0; 90 91 if (index > size) 92 return NULL; 93 94 for (i = 0; i < size; i++) { 95 bool valid; 96 97 if (fmt[i].type != type) 98 continue; 99 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 100 venus_helper_check_codec(inst, fmt[i].pixfmt); 101 if (k == index && valid) 102 break; 103 if (valid) 104 k++; 105 } 106 107 if (i == size) 108 return NULL; 109 110 return &fmt[i]; 111 } 112 113 static int venc_v4l2_to_hfi(int id, int value) 114 { 115 switch (id) { 116 case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: 117 switch (value) { 118 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0: 119 default: 120 return HFI_MPEG4_LEVEL_0; 121 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B: 122 return HFI_MPEG4_LEVEL_0b; 123 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1: 124 return HFI_MPEG4_LEVEL_1; 125 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2: 126 return HFI_MPEG4_LEVEL_2; 127 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3: 128 return HFI_MPEG4_LEVEL_3; 129 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4: 130 return HFI_MPEG4_LEVEL_4; 131 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5: 132 return HFI_MPEG4_LEVEL_5; 133 } 134 case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: 135 switch (value) { 136 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE: 137 default: 138 return HFI_MPEG4_PROFILE_SIMPLE; 139 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE: 140 return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE; 141 } 142 case V4L2_CID_MPEG_VIDEO_H264_PROFILE: 143 switch (value) { 144 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE: 145 return HFI_H264_PROFILE_BASELINE; 146 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE: 147 return HFI_H264_PROFILE_CONSTRAINED_BASE; 148 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN: 149 return HFI_H264_PROFILE_MAIN; 150 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH: 151 default: 152 return HFI_H264_PROFILE_HIGH; 153 } 154 case V4L2_CID_MPEG_VIDEO_H264_LEVEL: 155 switch (value) { 156 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0: 157 return HFI_H264_LEVEL_1; 158 case V4L2_MPEG_VIDEO_H264_LEVEL_1B: 159 return HFI_H264_LEVEL_1b; 160 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1: 161 return HFI_H264_LEVEL_11; 162 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2: 163 return HFI_H264_LEVEL_12; 164 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3: 165 return HFI_H264_LEVEL_13; 166 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0: 167 return HFI_H264_LEVEL_2; 168 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1: 169 return HFI_H264_LEVEL_21; 170 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2: 171 return HFI_H264_LEVEL_22; 172 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0: 173 return HFI_H264_LEVEL_3; 174 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1: 175 return HFI_H264_LEVEL_31; 176 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2: 177 return HFI_H264_LEVEL_32; 178 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0: 179 return HFI_H264_LEVEL_4; 180 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1: 181 return HFI_H264_LEVEL_41; 182 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2: 183 return HFI_H264_LEVEL_42; 184 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0: 185 default: 186 return HFI_H264_LEVEL_5; 187 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1: 188 return HFI_H264_LEVEL_51; 189 } 190 case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE: 191 switch (value) { 192 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC: 193 default: 194 return HFI_H264_ENTROPY_CAVLC; 195 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC: 196 return HFI_H264_ENTROPY_CABAC; 197 } 198 case V4L2_CID_MPEG_VIDEO_VP8_PROFILE: 199 switch (value) { 200 case 0: 201 default: 202 return HFI_VPX_PROFILE_VERSION_0; 203 case 1: 204 return HFI_VPX_PROFILE_VERSION_1; 205 case 2: 206 return HFI_VPX_PROFILE_VERSION_2; 207 case 3: 208 return HFI_VPX_PROFILE_VERSION_3; 209 } 210 case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: 211 switch (value) { 212 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED: 213 default: 214 return HFI_H264_DB_MODE_ALL_BOUNDARY; 215 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED: 216 return HFI_H264_DB_MODE_DISABLE; 217 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY: 218 return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY; 219 } 220 case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE: 221 switch (value) { 222 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN: 223 default: 224 return HFI_HEVC_PROFILE_MAIN; 225 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE: 226 return HFI_HEVC_PROFILE_MAIN_STILL_PIC; 227 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10: 228 return HFI_HEVC_PROFILE_MAIN10; 229 } 230 case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL: 231 switch (value) { 232 case V4L2_MPEG_VIDEO_HEVC_LEVEL_1: 233 default: 234 return HFI_HEVC_LEVEL_1; 235 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2: 236 return HFI_HEVC_LEVEL_2; 237 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1: 238 return HFI_HEVC_LEVEL_21; 239 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3: 240 return HFI_HEVC_LEVEL_3; 241 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1: 242 return HFI_HEVC_LEVEL_31; 243 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4: 244 return HFI_HEVC_LEVEL_4; 245 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1: 246 return HFI_HEVC_LEVEL_41; 247 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5: 248 return HFI_HEVC_LEVEL_5; 249 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1: 250 return HFI_HEVC_LEVEL_51; 251 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2: 252 return HFI_HEVC_LEVEL_52; 253 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6: 254 return HFI_HEVC_LEVEL_6; 255 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1: 256 return HFI_HEVC_LEVEL_61; 257 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2: 258 return HFI_HEVC_LEVEL_62; 259 } 260 } 261 262 return 0; 263 } 264 265 static int 266 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) 267 { 268 strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); 269 strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card)); 270 strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); 271 272 return 0; 273 } 274 275 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) 276 { 277 struct venus_inst *inst = to_inst(file); 278 const struct venus_format *fmt; 279 280 fmt = find_format_by_index(inst, f->index, f->type); 281 282 memset(f->reserved, 0, sizeof(f->reserved)); 283 284 if (!fmt) 285 return -EINVAL; 286 287 f->pixelformat = fmt->pixfmt; 288 289 return 0; 290 } 291 292 static const struct venus_format * 293 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) 294 { 295 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 296 struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; 297 const struct venus_format *fmt; 298 u32 sizeimage; 299 300 memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); 301 memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); 302 303 fmt = find_format(inst, pixmp->pixelformat, f->type); 304 if (!fmt) { 305 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 306 pixmp->pixelformat = V4L2_PIX_FMT_H264; 307 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 308 pixmp->pixelformat = V4L2_PIX_FMT_NV12; 309 else 310 return NULL; 311 fmt = find_format(inst, pixmp->pixelformat, f->type); 312 } 313 314 pixmp->width = clamp(pixmp->width, frame_width_min(inst), 315 frame_width_max(inst)); 316 pixmp->height = clamp(pixmp->height, frame_height_min(inst), 317 frame_height_max(inst)); 318 319 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 320 pixmp->height = ALIGN(pixmp->height, 32); 321 322 pixmp->width = ALIGN(pixmp->width, 2); 323 pixmp->height = ALIGN(pixmp->height, 2); 324 325 if (pixmp->field == V4L2_FIELD_ANY) 326 pixmp->field = V4L2_FIELD_NONE; 327 pixmp->num_planes = fmt->num_planes; 328 pixmp->flags = 0; 329 330 sizeimage = venus_helper_get_framesz(pixmp->pixelformat, 331 pixmp->width, 332 pixmp->height); 333 pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage); 334 335 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 336 pfmt[0].bytesperline = ALIGN(pixmp->width, 128); 337 else 338 pfmt[0].bytesperline = 0; 339 340 return fmt; 341 } 342 343 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f) 344 { 345 struct venus_inst *inst = to_inst(file); 346 347 venc_try_fmt_common(inst, f); 348 349 return 0; 350 } 351 352 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) 353 { 354 struct venus_inst *inst = to_inst(file); 355 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 356 struct v4l2_pix_format_mplane orig_pixmp; 357 const struct venus_format *fmt; 358 struct v4l2_format format; 359 u32 pixfmt_out = 0, pixfmt_cap = 0; 360 struct vb2_queue *q; 361 362 q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); 363 if (!q) 364 return -EINVAL; 365 366 if (vb2_is_busy(q)) 367 return -EBUSY; 368 369 orig_pixmp = *pixmp; 370 371 fmt = venc_try_fmt_common(inst, f); 372 if (!fmt) 373 return -EINVAL; 374 375 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 376 pixfmt_out = pixmp->pixelformat; 377 pixfmt_cap = inst->fmt_cap->pixfmt; 378 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 379 pixfmt_cap = pixmp->pixelformat; 380 pixfmt_out = inst->fmt_out->pixfmt; 381 } 382 383 memset(&format, 0, sizeof(format)); 384 385 format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 386 format.fmt.pix_mp.pixelformat = pixfmt_out; 387 format.fmt.pix_mp.width = orig_pixmp.width; 388 format.fmt.pix_mp.height = orig_pixmp.height; 389 venc_try_fmt_common(inst, &format); 390 391 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 392 inst->out_width = format.fmt.pix_mp.width; 393 inst->out_height = format.fmt.pix_mp.height; 394 inst->colorspace = pixmp->colorspace; 395 inst->ycbcr_enc = pixmp->ycbcr_enc; 396 inst->quantization = pixmp->quantization; 397 inst->xfer_func = pixmp->xfer_func; 398 } 399 400 memset(&format, 0, sizeof(format)); 401 402 format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 403 format.fmt.pix_mp.pixelformat = pixfmt_cap; 404 format.fmt.pix_mp.width = orig_pixmp.width; 405 format.fmt.pix_mp.height = orig_pixmp.height; 406 venc_try_fmt_common(inst, &format); 407 408 inst->width = format.fmt.pix_mp.width; 409 inst->height = format.fmt.pix_mp.height; 410 411 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 412 inst->fmt_out = fmt; 413 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 414 inst->fmt_cap = fmt; 415 inst->output_buf_size = pixmp->plane_fmt[0].sizeimage; 416 } 417 418 return 0; 419 } 420 421 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) 422 { 423 struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; 424 struct venus_inst *inst = to_inst(file); 425 const struct venus_format *fmt; 426 427 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 428 fmt = inst->fmt_cap; 429 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 430 fmt = inst->fmt_out; 431 else 432 return -EINVAL; 433 434 pixmp->pixelformat = fmt->pixfmt; 435 436 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 437 pixmp->width = inst->width; 438 pixmp->height = inst->height; 439 pixmp->colorspace = inst->colorspace; 440 pixmp->ycbcr_enc = inst->ycbcr_enc; 441 pixmp->quantization = inst->quantization; 442 pixmp->xfer_func = inst->xfer_func; 443 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 444 pixmp->width = inst->out_width; 445 pixmp->height = inst->out_height; 446 } 447 448 venc_try_fmt_common(inst, f); 449 450 return 0; 451 } 452 453 static int 454 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) 455 { 456 struct venus_inst *inst = to_inst(file); 457 458 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 459 return -EINVAL; 460 461 switch (s->target) { 462 case V4L2_SEL_TGT_CROP_DEFAULT: 463 case V4L2_SEL_TGT_CROP_BOUNDS: 464 s->r.width = inst->width; 465 s->r.height = inst->height; 466 break; 467 case V4L2_SEL_TGT_CROP: 468 s->r.width = inst->out_width; 469 s->r.height = inst->out_height; 470 break; 471 default: 472 return -EINVAL; 473 } 474 475 s->r.top = 0; 476 s->r.left = 0; 477 478 return 0; 479 } 480 481 static int 482 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) 483 { 484 struct venus_inst *inst = to_inst(file); 485 486 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 487 return -EINVAL; 488 489 switch (s->target) { 490 case V4L2_SEL_TGT_CROP: 491 if (s->r.width != inst->out_width || 492 s->r.height != inst->out_height || 493 s->r.top != 0 || s->r.left != 0) 494 return -EINVAL; 495 break; 496 default: 497 return -EINVAL; 498 } 499 500 return 0; 501 } 502 503 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 504 { 505 struct venus_inst *inst = to_inst(file); 506 struct v4l2_outputparm *out = &a->parm.output; 507 struct v4l2_fract *timeperframe = &out->timeperframe; 508 u64 us_per_frame, fps; 509 510 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 511 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 512 return -EINVAL; 513 514 memset(out->reserved, 0, sizeof(out->reserved)); 515 516 if (!timeperframe->denominator) 517 timeperframe->denominator = inst->timeperframe.denominator; 518 if (!timeperframe->numerator) 519 timeperframe->numerator = inst->timeperframe.numerator; 520 521 out->capability = V4L2_CAP_TIMEPERFRAME; 522 523 us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; 524 do_div(us_per_frame, timeperframe->denominator); 525 526 if (!us_per_frame) 527 return -EINVAL; 528 529 fps = (u64)USEC_PER_SEC; 530 do_div(fps, us_per_frame); 531 532 inst->timeperframe = *timeperframe; 533 inst->fps = fps; 534 535 return 0; 536 } 537 538 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) 539 { 540 struct venus_inst *inst = to_inst(file); 541 542 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 543 a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 544 return -EINVAL; 545 546 a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME; 547 a->parm.output.timeperframe = inst->timeperframe; 548 549 return 0; 550 } 551 552 static int venc_enum_framesizes(struct file *file, void *fh, 553 struct v4l2_frmsizeenum *fsize) 554 { 555 struct venus_inst *inst = to_inst(file); 556 const struct venus_format *fmt; 557 558 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; 559 560 fmt = find_format(inst, fsize->pixel_format, 561 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 562 if (!fmt) { 563 fmt = find_format(inst, fsize->pixel_format, 564 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 565 if (!fmt) 566 return -EINVAL; 567 } 568 569 if (fsize->index) 570 return -EINVAL; 571 572 fsize->stepwise.min_width = frame_width_min(inst); 573 fsize->stepwise.max_width = frame_width_max(inst); 574 fsize->stepwise.step_width = frame_width_step(inst); 575 fsize->stepwise.min_height = frame_height_min(inst); 576 fsize->stepwise.max_height = frame_height_max(inst); 577 fsize->stepwise.step_height = frame_height_step(inst); 578 579 return 0; 580 } 581 582 static int venc_enum_frameintervals(struct file *file, void *fh, 583 struct v4l2_frmivalenum *fival) 584 { 585 struct venus_inst *inst = to_inst(file); 586 const struct venus_format *fmt; 587 588 fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; 589 590 fmt = find_format(inst, fival->pixel_format, 591 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); 592 if (!fmt) { 593 fmt = find_format(inst, fival->pixel_format, 594 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); 595 if (!fmt) 596 return -EINVAL; 597 } 598 599 if (fival->index) 600 return -EINVAL; 601 602 if (!fival->width || !fival->height) 603 return -EINVAL; 604 605 if (fival->width > frame_width_max(inst) || 606 fival->width < frame_width_min(inst) || 607 fival->height > frame_height_max(inst) || 608 fival->height < frame_height_min(inst)) 609 return -EINVAL; 610 611 fival->stepwise.min.numerator = 1; 612 fival->stepwise.min.denominator = frate_max(inst); 613 fival->stepwise.max.numerator = 1; 614 fival->stepwise.max.denominator = frate_min(inst); 615 fival->stepwise.step.numerator = 1; 616 fival->stepwise.step.denominator = frate_max(inst); 617 618 return 0; 619 } 620 621 static const struct v4l2_ioctl_ops venc_ioctl_ops = { 622 .vidioc_querycap = venc_querycap, 623 .vidioc_enum_fmt_vid_cap = venc_enum_fmt, 624 .vidioc_enum_fmt_vid_out = venc_enum_fmt, 625 .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt, 626 .vidioc_s_fmt_vid_out_mplane = venc_s_fmt, 627 .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt, 628 .vidioc_g_fmt_vid_out_mplane = venc_g_fmt, 629 .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt, 630 .vidioc_try_fmt_vid_out_mplane = venc_try_fmt, 631 .vidioc_g_selection = venc_g_selection, 632 .vidioc_s_selection = venc_s_selection, 633 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 634 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 635 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, 636 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 637 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 638 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 639 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 640 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 641 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 642 .vidioc_s_parm = venc_s_parm, 643 .vidioc_g_parm = venc_g_parm, 644 .vidioc_enum_framesizes = venc_enum_framesizes, 645 .vidioc_enum_frameintervals = venc_enum_frameintervals, 646 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 647 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 648 }; 649 650 static int venc_set_properties(struct venus_inst *inst) 651 { 652 struct venc_controls *ctr = &inst->controls.enc; 653 struct hfi_intra_period intra_period; 654 struct hfi_profile_level pl; 655 struct hfi_framerate frate; 656 struct hfi_bitrate brate; 657 struct hfi_idr_period idrp; 658 struct hfi_quantization quant; 659 struct hfi_quantization_range quant_range; 660 u32 ptype, rate_control, bitrate, profile = 0, level = 0; 661 int ret; 662 663 ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); 664 if (ret) 665 return ret; 666 667 ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; 668 frate.buffer_type = HFI_BUFFER_OUTPUT; 669 frate.framerate = inst->fps * (1 << 16); 670 671 ret = hfi_session_set_property(inst, ptype, &frate); 672 if (ret) 673 return ret; 674 675 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 676 struct hfi_h264_vui_timing_info info; 677 struct hfi_h264_entropy_control entropy; 678 struct hfi_h264_db_control deblock; 679 680 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO; 681 info.enable = 1; 682 info.fixed_framerate = 1; 683 info.time_scale = NSEC_PER_SEC; 684 685 ret = hfi_session_set_property(inst, ptype, &info); 686 if (ret) 687 return ret; 688 689 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL; 690 entropy.entropy_mode = venc_v4l2_to_hfi( 691 V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, 692 ctr->h264_entropy_mode); 693 entropy.cabac_model = HFI_H264_CABAC_MODEL_0; 694 695 ret = hfi_session_set_property(inst, ptype, &entropy); 696 if (ret) 697 return ret; 698 699 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL; 700 deblock.mode = venc_v4l2_to_hfi( 701 V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, 702 ctr->h264_loop_filter_mode); 703 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha; 704 deblock.slice_beta_offset = ctr->h264_loop_filter_beta; 705 706 ret = hfi_session_set_property(inst, ptype, &deblock); 707 if (ret) 708 return ret; 709 } 710 711 /* IDR periodicity, n: 712 * n = 0 - only the first I-frame is IDR frame 713 * n = 1 - all I-frames will be IDR frames 714 * n > 1 - every n-th I-frame will be IDR frame 715 */ 716 ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD; 717 idrp.idr_period = 0; 718 ret = hfi_session_set_property(inst, ptype, &idrp); 719 if (ret) 720 return ret; 721 722 if (ctr->num_b_frames) { 723 u32 max_num_b_frames = NUM_B_FRAMES_MAX; 724 725 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES; 726 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames); 727 if (ret) 728 return ret; 729 } 730 731 ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD; 732 intra_period.pframes = ctr->num_p_frames; 733 intra_period.bframes = ctr->num_b_frames; 734 735 ret = hfi_session_set_property(inst, ptype, &intra_period); 736 if (ret) 737 return ret; 738 739 if (!ctr->rc_enable) 740 rate_control = HFI_RATE_CONTROL_OFF; 741 else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 742 rate_control = HFI_RATE_CONTROL_VBR_CFR; 743 else 744 rate_control = HFI_RATE_CONTROL_CBR_CFR; 745 746 ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL; 747 ret = hfi_session_set_property(inst, ptype, &rate_control); 748 if (ret) 749 return ret; 750 751 if (!ctr->bitrate) 752 bitrate = 64000; 753 else 754 bitrate = ctr->bitrate; 755 756 ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE; 757 brate.bitrate = bitrate; 758 brate.layer_id = 0; 759 760 ret = hfi_session_set_property(inst, ptype, &brate); 761 if (ret) 762 return ret; 763 764 if (!ctr->bitrate_peak) 765 bitrate *= 2; 766 else 767 bitrate = ctr->bitrate_peak; 768 769 ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE; 770 brate.bitrate = bitrate; 771 brate.layer_id = 0; 772 773 ret = hfi_session_set_property(inst, ptype, &brate); 774 if (ret) 775 return ret; 776 777 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP; 778 quant.qp_i = ctr->h264_i_qp; 779 quant.qp_p = ctr->h264_p_qp; 780 quant.qp_b = ctr->h264_b_qp; 781 quant.layer_id = 0; 782 ret = hfi_session_set_property(inst, ptype, &quant); 783 if (ret) 784 return ret; 785 786 ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE; 787 quant_range.min_qp = ctr->h264_min_qp; 788 quant_range.max_qp = ctr->h264_max_qp; 789 quant_range.layer_id = 0; 790 ret = hfi_session_set_property(inst, ptype, &quant_range); 791 if (ret) 792 return ret; 793 794 if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) { 795 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE, 796 ctr->profile.h264); 797 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL, 798 ctr->level.h264); 799 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) { 800 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE, 801 ctr->profile.vpx); 802 level = 0; 803 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) { 804 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE, 805 ctr->profile.mpeg4); 806 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL, 807 ctr->level.mpeg4); 808 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) { 809 profile = 0; 810 level = 0; 811 } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) { 812 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE, 813 ctr->profile.hevc); 814 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL, 815 ctr->level.hevc); 816 } 817 818 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT; 819 pl.profile = profile; 820 pl.level = level; 821 822 ret = hfi_session_set_property(inst, ptype, &pl); 823 if (ret) 824 return ret; 825 826 return 0; 827 } 828 829 static int venc_init_session(struct venus_inst *inst) 830 { 831 int ret; 832 833 ret = hfi_session_init(inst, inst->fmt_cap->pixfmt); 834 if (ret) 835 return ret; 836 837 ret = venus_helper_set_input_resolution(inst, inst->width, 838 inst->height); 839 if (ret) 840 goto deinit; 841 842 ret = venus_helper_set_output_resolution(inst, inst->width, 843 inst->height, 844 HFI_BUFFER_OUTPUT); 845 if (ret) 846 goto deinit; 847 848 ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt); 849 if (ret) 850 goto deinit; 851 852 ret = venus_helper_init_codec_freq_data(inst); 853 if (ret) 854 goto deinit; 855 856 ret = venc_set_properties(inst); 857 if (ret) 858 goto deinit; 859 860 return 0; 861 deinit: 862 hfi_session_deinit(inst); 863 return ret; 864 } 865 866 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num) 867 { 868 struct hfi_buffer_requirements bufreq; 869 int ret; 870 871 ret = venc_init_session(inst); 872 if (ret) 873 return ret; 874 875 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 876 877 *num = bufreq.count_actual; 878 879 hfi_session_deinit(inst); 880 881 return ret; 882 } 883 884 static int venc_queue_setup(struct vb2_queue *q, 885 unsigned int *num_buffers, unsigned int *num_planes, 886 unsigned int sizes[], struct device *alloc_devs[]) 887 { 888 struct venus_inst *inst = vb2_get_drv_priv(q); 889 unsigned int num, min = 4; 890 int ret = 0; 891 892 if (*num_planes) { 893 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 894 *num_planes != inst->fmt_out->num_planes) 895 return -EINVAL; 896 897 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 898 *num_planes != inst->fmt_cap->num_planes) 899 return -EINVAL; 900 901 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 902 sizes[0] < inst->input_buf_size) 903 return -EINVAL; 904 905 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 906 sizes[0] < inst->output_buf_size) 907 return -EINVAL; 908 909 return 0; 910 } 911 912 switch (q->type) { 913 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 914 *num_planes = inst->fmt_out->num_planes; 915 916 ret = venc_out_num_buffers(inst, &num); 917 if (ret) 918 break; 919 920 num = max(num, min); 921 *num_buffers = max(*num_buffers, num); 922 inst->num_input_bufs = *num_buffers; 923 924 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, 925 inst->width, 926 inst->height); 927 inst->input_buf_size = sizes[0]; 928 break; 929 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 930 *num_planes = inst->fmt_cap->num_planes; 931 *num_buffers = max(*num_buffers, min); 932 inst->num_output_bufs = *num_buffers; 933 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, 934 inst->width, 935 inst->height); 936 sizes[0] = max(sizes[0], inst->output_buf_size); 937 inst->output_buf_size = sizes[0]; 938 break; 939 default: 940 ret = -EINVAL; 941 break; 942 } 943 944 return ret; 945 } 946 947 static int venc_verify_conf(struct venus_inst *inst) 948 { 949 enum hfi_version ver = inst->core->res->hfi_version; 950 struct hfi_buffer_requirements bufreq; 951 int ret; 952 953 if (!inst->num_input_bufs || !inst->num_output_bufs) 954 return -EINVAL; 955 956 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); 957 if (ret) 958 return ret; 959 960 if (inst->num_output_bufs < bufreq.count_actual || 961 inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 962 return -EINVAL; 963 964 ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); 965 if (ret) 966 return ret; 967 968 if (inst->num_input_bufs < bufreq.count_actual || 969 inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver)) 970 return -EINVAL; 971 972 return 0; 973 } 974 975 static int venc_start_streaming(struct vb2_queue *q, unsigned int count) 976 { 977 struct venus_inst *inst = vb2_get_drv_priv(q); 978 int ret; 979 980 mutex_lock(&inst->lock); 981 982 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 983 inst->streamon_out = 1; 984 else 985 inst->streamon_cap = 1; 986 987 if (!(inst->streamon_out & inst->streamon_cap)) { 988 mutex_unlock(&inst->lock); 989 return 0; 990 } 991 992 venus_helper_init_instance(inst); 993 994 inst->sequence_cap = 0; 995 inst->sequence_out = 0; 996 997 ret = venc_init_session(inst); 998 if (ret) 999 goto bufs_done; 1000 1001 ret = venus_pm_acquire_core(inst); 1002 if (ret) 1003 goto deinit_sess; 1004 1005 ret = venc_set_properties(inst); 1006 if (ret) 1007 goto deinit_sess; 1008 1009 ret = venc_verify_conf(inst); 1010 if (ret) 1011 goto deinit_sess; 1012 1013 ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, 1014 inst->num_output_bufs, 0); 1015 if (ret) 1016 goto deinit_sess; 1017 1018 ret = venus_helper_vb2_start_streaming(inst); 1019 if (ret) 1020 goto deinit_sess; 1021 1022 mutex_unlock(&inst->lock); 1023 1024 return 0; 1025 1026 deinit_sess: 1027 hfi_session_deinit(inst); 1028 bufs_done: 1029 venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); 1030 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 1031 inst->streamon_out = 0; 1032 else 1033 inst->streamon_cap = 0; 1034 mutex_unlock(&inst->lock); 1035 return ret; 1036 } 1037 1038 static const struct vb2_ops venc_vb2_ops = { 1039 .queue_setup = venc_queue_setup, 1040 .buf_init = venus_helper_vb2_buf_init, 1041 .buf_prepare = venus_helper_vb2_buf_prepare, 1042 .start_streaming = venc_start_streaming, 1043 .stop_streaming = venus_helper_vb2_stop_streaming, 1044 .buf_queue = venus_helper_vb2_buf_queue, 1045 }; 1046 1047 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type, 1048 u32 tag, u32 bytesused, u32 data_offset, u32 flags, 1049 u32 hfi_flags, u64 timestamp_us) 1050 { 1051 struct vb2_v4l2_buffer *vbuf; 1052 struct vb2_buffer *vb; 1053 unsigned int type; 1054 1055 if (buf_type == HFI_BUFFER_INPUT) 1056 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1057 else 1058 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1059 1060 vbuf = venus_helper_find_buf(inst, type, tag); 1061 if (!vbuf) 1062 return; 1063 1064 vbuf->flags = flags; 1065 1066 if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1067 vb = &vbuf->vb2_buf; 1068 vb2_set_plane_payload(vb, 0, bytesused + data_offset); 1069 vb->planes[0].data_offset = data_offset; 1070 vb->timestamp = timestamp_us * NSEC_PER_USEC; 1071 vbuf->sequence = inst->sequence_cap++; 1072 } else { 1073 vbuf->sequence = inst->sequence_out++; 1074 } 1075 1076 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 1077 } 1078 1079 static void venc_event_notify(struct venus_inst *inst, u32 event, 1080 struct hfi_event_data *data) 1081 { 1082 struct device *dev = inst->core->dev_enc; 1083 1084 if (event == EVT_SESSION_ERROR) { 1085 inst->session_error = true; 1086 dev_err(dev, "enc: event session error %x\n", inst->error); 1087 } 1088 } 1089 1090 static const struct hfi_inst_ops venc_hfi_ops = { 1091 .buf_done = venc_buf_done, 1092 .event_notify = venc_event_notify, 1093 }; 1094 1095 static const struct v4l2_m2m_ops venc_m2m_ops = { 1096 .device_run = venus_helper_m2m_device_run, 1097 .job_abort = venus_helper_m2m_job_abort, 1098 }; 1099 1100 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, 1101 struct vb2_queue *dst_vq) 1102 { 1103 struct venus_inst *inst = priv; 1104 int ret; 1105 1106 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 1107 src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1108 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1109 src_vq->ops = &venc_vb2_ops; 1110 src_vq->mem_ops = &vb2_dma_sg_memops; 1111 src_vq->drv_priv = inst; 1112 src_vq->buf_struct_size = sizeof(struct venus_buffer); 1113 src_vq->allow_zero_bytesused = 1; 1114 src_vq->min_buffers_needed = 1; 1115 src_vq->dev = inst->core->dev; 1116 if (inst->core->res->hfi_version == HFI_VERSION_1XX) 1117 src_vq->bidirectional = 1; 1118 ret = vb2_queue_init(src_vq); 1119 if (ret) 1120 return ret; 1121 1122 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 1123 dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1124 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; 1125 dst_vq->ops = &venc_vb2_ops; 1126 dst_vq->mem_ops = &vb2_dma_sg_memops; 1127 dst_vq->drv_priv = inst; 1128 dst_vq->buf_struct_size = sizeof(struct venus_buffer); 1129 dst_vq->allow_zero_bytesused = 1; 1130 dst_vq->min_buffers_needed = 1; 1131 dst_vq->dev = inst->core->dev; 1132 ret = vb2_queue_init(dst_vq); 1133 if (ret) { 1134 vb2_queue_release(src_vq); 1135 return ret; 1136 } 1137 1138 return 0; 1139 } 1140 1141 static void venc_inst_init(struct venus_inst *inst) 1142 { 1143 inst->fmt_cap = &venc_formats[2]; 1144 inst->fmt_out = &venc_formats[0]; 1145 inst->width = 1280; 1146 inst->height = ALIGN(720, 32); 1147 inst->out_width = 1280; 1148 inst->out_height = 720; 1149 inst->fps = 15; 1150 inst->timeperframe.numerator = 1; 1151 inst->timeperframe.denominator = 15; 1152 inst->hfi_codec = HFI_VIDEO_CODEC_H264; 1153 } 1154 1155 static int venc_open(struct file *file) 1156 { 1157 struct venus_core *core = video_drvdata(file); 1158 struct venus_inst *inst; 1159 int ret; 1160 1161 inst = kzalloc(sizeof(*inst), GFP_KERNEL); 1162 if (!inst) 1163 return -ENOMEM; 1164 1165 INIT_LIST_HEAD(&inst->dpbbufs); 1166 INIT_LIST_HEAD(&inst->registeredbufs); 1167 INIT_LIST_HEAD(&inst->internalbufs); 1168 INIT_LIST_HEAD(&inst->list); 1169 mutex_init(&inst->lock); 1170 1171 inst->core = core; 1172 inst->session_type = VIDC_SESSION_TYPE_ENC; 1173 inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; 1174 inst->core_acquired = false; 1175 1176 venus_helper_init_instance(inst); 1177 1178 ret = pm_runtime_get_sync(core->dev_enc); 1179 if (ret < 0) 1180 goto err_put_sync; 1181 1182 ret = venc_ctrl_init(inst); 1183 if (ret) 1184 goto err_put_sync; 1185 1186 ret = hfi_session_create(inst, &venc_hfi_ops); 1187 if (ret) 1188 goto err_ctrl_deinit; 1189 1190 venc_inst_init(inst); 1191 1192 /* 1193 * create m2m device for every instance, the m2m context scheduling 1194 * is made by firmware side so we do not need to care about. 1195 */ 1196 inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops); 1197 if (IS_ERR(inst->m2m_dev)) { 1198 ret = PTR_ERR(inst->m2m_dev); 1199 goto err_session_destroy; 1200 } 1201 1202 inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); 1203 if (IS_ERR(inst->m2m_ctx)) { 1204 ret = PTR_ERR(inst->m2m_ctx); 1205 goto err_m2m_release; 1206 } 1207 1208 v4l2_fh_init(&inst->fh, core->vdev_enc); 1209 1210 inst->fh.ctrl_handler = &inst->ctrl_handler; 1211 v4l2_fh_add(&inst->fh); 1212 inst->fh.m2m_ctx = inst->m2m_ctx; 1213 file->private_data = &inst->fh; 1214 1215 return 0; 1216 1217 err_m2m_release: 1218 v4l2_m2m_release(inst->m2m_dev); 1219 err_session_destroy: 1220 hfi_session_destroy(inst); 1221 err_ctrl_deinit: 1222 venc_ctrl_deinit(inst); 1223 err_put_sync: 1224 pm_runtime_put_sync(core->dev_enc); 1225 kfree(inst); 1226 return ret; 1227 } 1228 1229 static int venc_close(struct file *file) 1230 { 1231 struct venus_inst *inst = to_inst(file); 1232 1233 v4l2_m2m_ctx_release(inst->m2m_ctx); 1234 v4l2_m2m_release(inst->m2m_dev); 1235 venc_ctrl_deinit(inst); 1236 hfi_session_destroy(inst); 1237 mutex_destroy(&inst->lock); 1238 v4l2_fh_del(&inst->fh); 1239 v4l2_fh_exit(&inst->fh); 1240 1241 pm_runtime_put_sync(inst->core->dev_enc); 1242 1243 kfree(inst); 1244 return 0; 1245 } 1246 1247 static const struct v4l2_file_operations venc_fops = { 1248 .owner = THIS_MODULE, 1249 .open = venc_open, 1250 .release = venc_close, 1251 .unlocked_ioctl = video_ioctl2, 1252 .poll = v4l2_m2m_fop_poll, 1253 .mmap = v4l2_m2m_fop_mmap, 1254 }; 1255 1256 static int venc_probe(struct platform_device *pdev) 1257 { 1258 struct device *dev = &pdev->dev; 1259 struct video_device *vdev; 1260 struct venus_core *core; 1261 int ret; 1262 1263 if (!dev->parent) 1264 return -EPROBE_DEFER; 1265 1266 core = dev_get_drvdata(dev->parent); 1267 if (!core) 1268 return -EPROBE_DEFER; 1269 1270 platform_set_drvdata(pdev, core); 1271 1272 if (core->pm_ops->venc_get) { 1273 ret = core->pm_ops->venc_get(dev); 1274 if (ret) 1275 return ret; 1276 } 1277 1278 vdev = video_device_alloc(); 1279 if (!vdev) 1280 return -ENOMEM; 1281 1282 strscpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name)); 1283 vdev->release = video_device_release; 1284 vdev->fops = &venc_fops; 1285 vdev->ioctl_ops = &venc_ioctl_ops; 1286 vdev->vfl_dir = VFL_DIR_M2M; 1287 vdev->v4l2_dev = &core->v4l2_dev; 1288 vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; 1289 1290 ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); 1291 if (ret) 1292 goto err_vdev_release; 1293 1294 core->vdev_enc = vdev; 1295 core->dev_enc = dev; 1296 1297 video_set_drvdata(vdev, core); 1298 pm_runtime_enable(dev); 1299 1300 return 0; 1301 1302 err_vdev_release: 1303 video_device_release(vdev); 1304 return ret; 1305 } 1306 1307 static int venc_remove(struct platform_device *pdev) 1308 { 1309 struct venus_core *core = dev_get_drvdata(pdev->dev.parent); 1310 1311 video_unregister_device(core->vdev_enc); 1312 pm_runtime_disable(core->dev_enc); 1313 1314 if (core->pm_ops->venc_put) 1315 core->pm_ops->venc_put(core->dev_enc); 1316 1317 return 0; 1318 } 1319 1320 static __maybe_unused int venc_runtime_suspend(struct device *dev) 1321 { 1322 struct venus_core *core = dev_get_drvdata(dev); 1323 const struct venus_pm_ops *pm_ops = core->pm_ops; 1324 int ret = 0; 1325 1326 if (pm_ops->venc_power) 1327 ret = pm_ops->venc_power(dev, POWER_OFF); 1328 1329 return ret; 1330 } 1331 1332 static __maybe_unused int venc_runtime_resume(struct device *dev) 1333 { 1334 struct venus_core *core = dev_get_drvdata(dev); 1335 const struct venus_pm_ops *pm_ops = core->pm_ops; 1336 int ret = 0; 1337 1338 if (pm_ops->venc_power) 1339 ret = pm_ops->venc_power(dev, POWER_ON); 1340 1341 return ret; 1342 } 1343 1344 static const struct dev_pm_ops venc_pm_ops = { 1345 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1346 pm_runtime_force_resume) 1347 SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) 1348 }; 1349 1350 static const struct of_device_id venc_dt_match[] = { 1351 { .compatible = "venus-encoder" }, 1352 { } 1353 }; 1354 MODULE_DEVICE_TABLE(of, venc_dt_match); 1355 1356 static struct platform_driver qcom_venus_enc_driver = { 1357 .probe = venc_probe, 1358 .remove = venc_remove, 1359 .driver = { 1360 .name = "qcom-venus-encoder", 1361 .of_match_table = venc_dt_match, 1362 .pm = &venc_pm_ops, 1363 }, 1364 }; 1365 module_platform_driver(qcom_venus_enc_driver); 1366 1367 MODULE_ALIAS("platform:qcom-venus-encoder"); 1368 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver"); 1369 MODULE_LICENSE("GPL v2"); 1370