s5p_mfc_dec.c revision 00684dab287956573122815bfdc04cb4b4561033
1/* 2 * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c 3 * 4 * Copyright (C) 2011 Samsung Electronics Co., Ltd. 5 * http://www.samsung.com/ 6 * Kamil Debski, <k.debski@samsung.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14#include <linux/clk.h> 15#include <linux/interrupt.h> 16#include <linux/io.h> 17#include <linux/module.h> 18#include <linux/platform_device.h> 19#include <linux/sched.h> 20#include <linux/slab.h> 21#include <linux/version.h> 22#include <linux/videodev2.h> 23#include <linux/workqueue.h> 24#include <media/v4l2-ctrls.h> 25#include <media/v4l2-event.h> 26#include <media/videobuf2-core.h> 27#include "s5p_mfc_common.h" 28#include "s5p_mfc_ctrl.h" 29#include "s5p_mfc_debug.h" 30#include "s5p_mfc_dec.h" 31#include "s5p_mfc_intr.h" 32#include "s5p_mfc_opr.h" 33#include "s5p_mfc_pm.h" 34 35static struct s5p_mfc_fmt formats[] = { 36 { 37 .name = "4:2:0 2 Planes 16x16 Tiles", 38 .fourcc = V4L2_PIX_FMT_NV12MT_16X16, 39 .codec_mode = S5P_MFC_CODEC_NONE, 40 .type = MFC_FMT_RAW, 41 .num_planes = 2, 42 .versions = MFC_V6_BIT | MFC_V7_BIT, 43 }, 44 { 45 .name = "4:2:0 2 Planes 64x32 Tiles", 46 .fourcc = V4L2_PIX_FMT_NV12MT, 47 .codec_mode = S5P_MFC_CODEC_NONE, 48 .type = MFC_FMT_RAW, 49 .num_planes = 2, 50 .versions = MFC_V5_BIT, 51 }, 52 { 53 .name = "4:2:0 2 Planes Y/CbCr", 54 .fourcc = V4L2_PIX_FMT_NV12M, 55 .codec_mode = S5P_MFC_CODEC_NONE, 56 .type = MFC_FMT_RAW, 57 .num_planes = 2, 58 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 59 }, 60 { 61 .name = "4:2:0 2 Planes Y/CrCb", 62 .fourcc = V4L2_PIX_FMT_NV21M, 63 .codec_mode = S5P_MFC_CODEC_NONE, 64 .type = MFC_FMT_RAW, 65 .num_planes = 2, 66 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 67 }, 68 { 69 .name = "H264 Encoded Stream", 70 .fourcc = V4L2_PIX_FMT_H264, 71 .codec_mode = S5P_MFC_CODEC_H264_DEC, 72 .type = MFC_FMT_DEC, 73 .num_planes = 1, 74 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 75 MFC_V8_BIT, 76 }, 77 { 78 .name = "H264/MVC Encoded Stream", 79 .fourcc = V4L2_PIX_FMT_H264_MVC, 80 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC, 81 .type = MFC_FMT_DEC, 82 .num_planes = 1, 83 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 84 }, 85 { 86 .name = "H263 Encoded Stream", 87 .fourcc = V4L2_PIX_FMT_H263, 88 .codec_mode = S5P_MFC_CODEC_H263_DEC, 89 .type = MFC_FMT_DEC, 90 .num_planes = 1, 91 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 92 MFC_V8_BIT, 93 }, 94 { 95 .name = "MPEG1 Encoded Stream", 96 .fourcc = V4L2_PIX_FMT_MPEG1, 97 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 98 .type = MFC_FMT_DEC, 99 .num_planes = 1, 100 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 101 MFC_V8_BIT, 102 }, 103 { 104 .name = "MPEG2 Encoded Stream", 105 .fourcc = V4L2_PIX_FMT_MPEG2, 106 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 107 .type = MFC_FMT_DEC, 108 .num_planes = 1, 109 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 110 MFC_V8_BIT, 111 }, 112 { 113 .name = "MPEG4 Encoded Stream", 114 .fourcc = V4L2_PIX_FMT_MPEG4, 115 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 116 .type = MFC_FMT_DEC, 117 .num_planes = 1, 118 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 119 MFC_V8_BIT, 120 }, 121 { 122 .name = "XviD Encoded Stream", 123 .fourcc = V4L2_PIX_FMT_XVID, 124 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 125 .type = MFC_FMT_DEC, 126 .num_planes = 1, 127 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 128 MFC_V8_BIT, 129 }, 130 { 131 .name = "VC1 Encoded Stream", 132 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, 133 .codec_mode = S5P_MFC_CODEC_VC1_DEC, 134 .type = MFC_FMT_DEC, 135 .num_planes = 1, 136 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 137 MFC_V8_BIT, 138 }, 139 { 140 .name = "VC1 RCV Encoded Stream", 141 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, 142 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, 143 .type = MFC_FMT_DEC, 144 .num_planes = 1, 145 .versions = MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | 146 MFC_V8_BIT, 147 }, 148 { 149 .name = "VP8 Encoded Stream", 150 .fourcc = V4L2_PIX_FMT_VP8, 151 .codec_mode = S5P_MFC_CODEC_VP8_DEC, 152 .type = MFC_FMT_DEC, 153 .num_planes = 1, 154 .versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, 155 }, 156}; 157 158#define NUM_FORMATS ARRAY_SIZE(formats) 159 160/* Find selected format description */ 161static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) 162{ 163 unsigned int i; 164 165 for (i = 0; i < NUM_FORMATS; i++) { 166 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && 167 formats[i].type == t) 168 return &formats[i]; 169 } 170 return NULL; 171} 172 173static struct mfc_control controls[] = { 174 { 175 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, 176 .type = V4L2_CTRL_TYPE_INTEGER, 177 .name = "H264 Display Delay", 178 .minimum = 0, 179 .maximum = 16383, 180 .step = 1, 181 .default_value = 0, 182 }, 183 { 184 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, 185 .type = V4L2_CTRL_TYPE_BOOLEAN, 186 .name = "H264 Display Delay Enable", 187 .minimum = 0, 188 .maximum = 1, 189 .step = 1, 190 .default_value = 0, 191 }, 192 { 193 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 194 .type = V4L2_CTRL_TYPE_BOOLEAN, 195 .name = "Mpeg4 Loop Filter Enable", 196 .minimum = 0, 197 .maximum = 1, 198 .step = 1, 199 .default_value = 0, 200 }, 201 { 202 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, 203 .type = V4L2_CTRL_TYPE_BOOLEAN, 204 .name = "Slice Interface Enable", 205 .minimum = 0, 206 .maximum = 1, 207 .step = 1, 208 .default_value = 0, 209 }, 210 { 211 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 212 .type = V4L2_CTRL_TYPE_INTEGER, 213 .name = "Minimum number of cap bufs", 214 .minimum = 1, 215 .maximum = 32, 216 .step = 1, 217 .default_value = 1, 218 .is_volatile = 1, 219 }, 220}; 221 222#define NUM_CTRLS ARRAY_SIZE(controls) 223 224/* Check whether a context should be run on hardware */ 225static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) 226{ 227 /* Context is to parse header */ 228 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) 229 return 1; 230 /* Context is to decode a frame */ 231 if (ctx->src_queue_cnt >= 1 && 232 ctx->state == MFCINST_RUNNING && 233 ctx->dst_queue_cnt >= ctx->pb_count) 234 return 1; 235 /* Context is to return last frame */ 236 if (ctx->state == MFCINST_FINISHING && 237 ctx->dst_queue_cnt >= ctx->pb_count) 238 return 1; 239 /* Context is to set buffers */ 240 if (ctx->src_queue_cnt >= 1 && 241 ctx->state == MFCINST_HEAD_PARSED && 242 ctx->capture_state == QUEUE_BUFS_MMAPED) 243 return 1; 244 /* Resolution change */ 245 if ((ctx->state == MFCINST_RES_CHANGE_INIT || 246 ctx->state == MFCINST_RES_CHANGE_FLUSH) && 247 ctx->dst_queue_cnt >= ctx->pb_count) 248 return 1; 249 if (ctx->state == MFCINST_RES_CHANGE_END && 250 ctx->src_queue_cnt >= 1) 251 return 1; 252 mfc_debug(2, "ctx is not ready\n"); 253 return 0; 254} 255 256static struct s5p_mfc_codec_ops decoder_codec_ops = { 257 .pre_seq_start = NULL, 258 .post_seq_start = NULL, 259 .pre_frame_start = NULL, 260 .post_frame_start = NULL, 261}; 262 263/* Query capabilities of the device */ 264static int vidioc_querycap(struct file *file, void *priv, 265 struct v4l2_capability *cap) 266{ 267 struct s5p_mfc_dev *dev = video_drvdata(file); 268 269 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); 270 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); 271 cap->bus_info[0] = 0; 272 cap->version = KERNEL_VERSION(1, 0, 0); 273 /* 274 * This is only a mem-to-mem video device. The capture and output 275 * device capability flags are left only for backward compatibility 276 * and are scheduled for removal. 277 */ 278 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | 279 V4L2_CAP_VIDEO_CAPTURE_MPLANE | 280 V4L2_CAP_VIDEO_OUTPUT_MPLANE; 281 return 0; 282} 283 284/* Enumerate format */ 285static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f, 286 bool mplane, bool out) 287{ 288 struct s5p_mfc_dev *dev = video_drvdata(file); 289 struct s5p_mfc_fmt *fmt; 290 int i, j = 0; 291 292 for (i = 0; i < ARRAY_SIZE(formats); ++i) { 293 if (mplane && formats[i].num_planes == 1) 294 continue; 295 else if (!mplane && formats[i].num_planes > 1) 296 continue; 297 if (out && formats[i].type != MFC_FMT_DEC) 298 continue; 299 else if (!out && formats[i].type != MFC_FMT_RAW) 300 continue; 301 else if ((dev->variant->version_bit & formats[i].versions) == 0) 302 continue; 303 304 if (j == f->index) 305 break; 306 ++j; 307 } 308 if (i == ARRAY_SIZE(formats)) 309 return -EINVAL; 310 fmt = &formats[i]; 311 strlcpy(f->description, fmt->name, sizeof(f->description)); 312 f->pixelformat = fmt->fourcc; 313 return 0; 314} 315 316static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, 317 struct v4l2_fmtdesc *f) 318{ 319 return vidioc_enum_fmt(file, f, false, false); 320} 321 322static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, 323 struct v4l2_fmtdesc *f) 324{ 325 return vidioc_enum_fmt(file, f, true, false); 326} 327 328static int vidioc_enum_fmt_vid_out(struct file *file, void *priv, 329 struct v4l2_fmtdesc *f) 330{ 331 return vidioc_enum_fmt(file, f, false, true); 332} 333 334static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv, 335 struct v4l2_fmtdesc *f) 336{ 337 return vidioc_enum_fmt(file, f, true, true); 338} 339 340/* Get format */ 341static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) 342{ 343 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 344 struct v4l2_pix_format_mplane *pix_mp; 345 346 mfc_debug_enter(); 347 pix_mp = &f->fmt.pix_mp; 348 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 349 (ctx->state == MFCINST_GOT_INST || ctx->state == 350 MFCINST_RES_CHANGE_END)) { 351 /* If the MFC is parsing the header, 352 * so wait until it is finished */ 353 s5p_mfc_clean_ctx_int_flags(ctx); 354 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 355 0); 356 } 357 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 358 ctx->state >= MFCINST_HEAD_PARSED && 359 ctx->state < MFCINST_ABORT) { 360 /* This is run on CAPTURE (decode output) */ 361 /* Width and height are set to the dimensions 362 of the movie, the buffer is bigger and 363 further processing stages should crop to this 364 rectangle. */ 365 pix_mp->width = ctx->buf_width; 366 pix_mp->height = ctx->buf_height; 367 pix_mp->field = V4L2_FIELD_NONE; 368 pix_mp->num_planes = 2; 369 /* Set pixelformat to the format in which MFC 370 outputs the decoded frame */ 371 pix_mp->pixelformat = ctx->dst_fmt->fourcc; 372 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; 373 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; 374 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; 375 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; 376 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 377 /* This is run on OUTPUT 378 The buffer contains compressed image 379 so width and height have no meaning */ 380 pix_mp->width = 0; 381 pix_mp->height = 0; 382 pix_mp->field = V4L2_FIELD_NONE; 383 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; 384 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; 385 pix_mp->pixelformat = ctx->src_fmt->fourcc; 386 pix_mp->num_planes = ctx->src_fmt->num_planes; 387 } else { 388 mfc_err("Format could not be read\n"); 389 mfc_debug(2, "%s-- with error\n", __func__); 390 return -EINVAL; 391 } 392 mfc_debug_leave(); 393 return 0; 394} 395 396/* Try format */ 397static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) 398{ 399 struct s5p_mfc_dev *dev = video_drvdata(file); 400 struct s5p_mfc_fmt *fmt; 401 402 mfc_debug(2, "Type is %d\n", f->type); 403 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 404 fmt = find_format(f, MFC_FMT_DEC); 405 if (!fmt) { 406 mfc_err("Unsupported format for source.\n"); 407 return -EINVAL; 408 } 409 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) { 410 mfc_err("Unknown codec\n"); 411 return -EINVAL; 412 } 413 if ((dev->variant->version_bit & fmt->versions) == 0) { 414 mfc_err("Unsupported format by this MFC version.\n"); 415 return -EINVAL; 416 } 417 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 418 fmt = find_format(f, MFC_FMT_RAW); 419 if (!fmt) { 420 mfc_err("Unsupported format for destination.\n"); 421 return -EINVAL; 422 } 423 if ((dev->variant->version_bit & fmt->versions) == 0) { 424 mfc_err("Unsupported format by this MFC version.\n"); 425 return -EINVAL; 426 } 427 } 428 429 return 0; 430} 431 432/* Set format */ 433static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 434{ 435 struct s5p_mfc_dev *dev = video_drvdata(file); 436 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 437 int ret = 0; 438 struct v4l2_pix_format_mplane *pix_mp; 439 struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size; 440 441 mfc_debug_enter(); 442 ret = vidioc_try_fmt(file, priv, f); 443 pix_mp = &f->fmt.pix_mp; 444 if (ret) 445 return ret; 446 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 447 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 448 ret = -EBUSY; 449 goto out; 450 } 451 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 452 /* dst_fmt is validated by call to vidioc_try_fmt */ 453 ctx->dst_fmt = find_format(f, MFC_FMT_RAW); 454 ret = 0; 455 goto out; 456 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 457 /* src_fmt is validated by call to vidioc_try_fmt */ 458 ctx->src_fmt = find_format(f, MFC_FMT_DEC); 459 ctx->codec_mode = ctx->src_fmt->codec_mode; 460 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 461 pix_mp->height = 0; 462 pix_mp->width = 0; 463 if (pix_mp->plane_fmt[0].sizeimage == 0) 464 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 465 DEF_CPB_SIZE; 466 else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb) 467 ctx->dec_src_buf_size = buf_size->cpb; 468 else 469 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 470 pix_mp->plane_fmt[0].bytesperline = 0; 471 ctx->state = MFCINST_INIT; 472 ret = 0; 473 goto out; 474 } else { 475 mfc_err("Wrong type error for S_FMT : %d", f->type); 476 ret = -EINVAL; 477 goto out; 478 } 479 480out: 481 mfc_debug_leave(); 482 return ret; 483} 484 485static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, 486 struct v4l2_requestbuffers *reqbufs) 487{ 488 int ret = 0; 489 490 s5p_mfc_clock_on(); 491 492 if (reqbufs->count == 0) { 493 mfc_debug(2, "Freeing buffers\n"); 494 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 495 if (ret) 496 goto out; 497 s5p_mfc_close_mfc_inst(dev, ctx); 498 ctx->src_bufs_cnt = 0; 499 ctx->output_state = QUEUE_FREE; 500 } else if (ctx->output_state == QUEUE_FREE) { 501 /* Can only request buffers when we have a valid format set. */ 502 WARN_ON(ctx->src_bufs_cnt != 0); 503 if (ctx->state != MFCINST_INIT) { 504 mfc_err("Reqbufs called in an invalid state\n"); 505 ret = -EINVAL; 506 goto out; 507 } 508 509 mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n", 510 reqbufs->count); 511 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 512 if (ret) 513 goto out; 514 515 ret = s5p_mfc_open_mfc_inst(dev, ctx); 516 if (ret) { 517 reqbufs->count = 0; 518 vb2_reqbufs(&ctx->vq_src, reqbufs); 519 goto out; 520 } 521 522 ctx->output_state = QUEUE_BUFS_REQUESTED; 523 } else { 524 mfc_err("Buffers have already been requested\n"); 525 ret = -EINVAL; 526 } 527out: 528 s5p_mfc_clock_off(); 529 if (ret) 530 mfc_err("Failed allocating buffers for OUTPUT queue\n"); 531 return ret; 532} 533 534static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, 535 struct v4l2_requestbuffers *reqbufs) 536{ 537 int ret = 0; 538 539 s5p_mfc_clock_on(); 540 541 if (reqbufs->count == 0) { 542 mfc_debug(2, "Freeing buffers\n"); 543 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 544 if (ret) 545 goto out; 546 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx); 547 ctx->dst_bufs_cnt = 0; 548 } else if (ctx->capture_state == QUEUE_FREE) { 549 WARN_ON(ctx->dst_bufs_cnt != 0); 550 mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n", 551 reqbufs->count); 552 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 553 if (ret) 554 goto out; 555 556 ctx->capture_state = QUEUE_BUFS_REQUESTED; 557 ctx->total_dpb_count = reqbufs->count; 558 559 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 560 if (ret) { 561 mfc_err("Failed to allocate decoding buffers\n"); 562 reqbufs->count = 0; 563 vb2_reqbufs(&ctx->vq_dst, reqbufs); 564 ret = -ENOMEM; 565 ctx->capture_state = QUEUE_FREE; 566 goto out; 567 } 568 569 WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count); 570 ctx->capture_state = QUEUE_BUFS_MMAPED; 571 572 if (s5p_mfc_ctx_ready(ctx)) 573 set_work_bit_irqsave(ctx); 574 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 575 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 576 0); 577 } else { 578 mfc_err("Buffers have already been requested\n"); 579 ret = -EINVAL; 580 } 581out: 582 s5p_mfc_clock_off(); 583 if (ret) 584 mfc_err("Failed allocating buffers for CAPTURE queue\n"); 585 return ret; 586} 587 588/* Reqeust buffers */ 589static int vidioc_reqbufs(struct file *file, void *priv, 590 struct v4l2_requestbuffers *reqbufs) 591{ 592 struct s5p_mfc_dev *dev = video_drvdata(file); 593 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 594 595 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 596 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 597 return -EINVAL; 598 } 599 600 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 601 return reqbufs_output(dev, ctx, reqbufs); 602 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 603 return reqbufs_capture(dev, ctx, reqbufs); 604 } else { 605 mfc_err("Invalid type requested\n"); 606 return -EINVAL; 607 } 608} 609 610/* Query buffer */ 611static int vidioc_querybuf(struct file *file, void *priv, 612 struct v4l2_buffer *buf) 613{ 614 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 615 int ret; 616 int i; 617 618 if (buf->memory != V4L2_MEMORY_MMAP) { 619 mfc_err("Only mmaped buffers can be used\n"); 620 return -EINVAL; 621 } 622 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 623 if (ctx->state == MFCINST_GOT_INST && 624 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 625 ret = vb2_querybuf(&ctx->vq_src, buf); 626 } else if (ctx->state == MFCINST_RUNNING && 627 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 628 ret = vb2_querybuf(&ctx->vq_dst, buf); 629 for (i = 0; i < buf->length; i++) 630 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 631 } else { 632 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 633 ret = -EINVAL; 634 } 635 mfc_debug_leave(); 636 return ret; 637} 638 639/* Queue a buffer */ 640static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 641{ 642 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 643 644 if (ctx->state == MFCINST_ERROR) { 645 mfc_err("Call on QBUF after unrecoverable error\n"); 646 return -EIO; 647 } 648 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 649 return vb2_qbuf(&ctx->vq_src, buf); 650 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 651 return vb2_qbuf(&ctx->vq_dst, buf); 652 return -EINVAL; 653} 654 655/* Dequeue a buffer */ 656static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 657{ 658 const struct v4l2_event ev = { 659 .type = V4L2_EVENT_EOS 660 }; 661 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 662 int ret; 663 664 if (ctx->state == MFCINST_ERROR) { 665 mfc_err("Call on DQBUF after unrecoverable error\n"); 666 return -EIO; 667 } 668 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 669 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 670 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 671 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 672 if (ret == 0 && ctx->state == MFCINST_FINISHED && 673 list_empty(&ctx->vq_dst.done_list)) 674 v4l2_event_queue_fh(&ctx->fh, &ev); 675 } else { 676 ret = -EINVAL; 677 } 678 return ret; 679} 680 681/* Export DMA buffer */ 682static int vidioc_expbuf(struct file *file, void *priv, 683 struct v4l2_exportbuffer *eb) 684{ 685 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 686 687 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 688 return vb2_expbuf(&ctx->vq_src, eb); 689 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 690 return vb2_expbuf(&ctx->vq_dst, eb); 691 return -EINVAL; 692} 693 694/* Stream on */ 695static int vidioc_streamon(struct file *file, void *priv, 696 enum v4l2_buf_type type) 697{ 698 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 699 int ret = -EINVAL; 700 701 mfc_debug_enter(); 702 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 703 ret = vb2_streamon(&ctx->vq_src, type); 704 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 705 ret = vb2_streamon(&ctx->vq_dst, type); 706 mfc_debug_leave(); 707 return ret; 708} 709 710/* Stream off, which equals to a pause */ 711static int vidioc_streamoff(struct file *file, void *priv, 712 enum v4l2_buf_type type) 713{ 714 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 715 716 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 717 return vb2_streamoff(&ctx->vq_src, type); 718 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 719 return vb2_streamoff(&ctx->vq_dst, type); 720 return -EINVAL; 721} 722 723/* Set controls - v4l2 control framework */ 724static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) 725{ 726 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 727 728 switch (ctrl->id) { 729 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: 730 ctx->display_delay = ctrl->val; 731 break; 732 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: 733 ctx->display_delay_enable = ctrl->val; 734 break; 735 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: 736 ctx->loop_filter_mpeg4 = ctrl->val; 737 break; 738 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: 739 ctx->slice_interface = ctrl->val; 740 break; 741 default: 742 mfc_err("Invalid control 0x%08x\n", ctrl->id); 743 return -EINVAL; 744 } 745 return 0; 746} 747 748static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) 749{ 750 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 751 struct s5p_mfc_dev *dev = ctx->dev; 752 753 switch (ctrl->id) { 754 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: 755 if (ctx->state >= MFCINST_HEAD_PARSED && 756 ctx->state < MFCINST_ABORT) { 757 ctrl->val = ctx->pb_count; 758 break; 759 } else if (ctx->state != MFCINST_INIT) { 760 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 761 return -EINVAL; 762 } 763 /* Should wait for the header to be parsed */ 764 s5p_mfc_clean_ctx_int_flags(ctx); 765 s5p_mfc_wait_for_done_ctx(ctx, 766 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); 767 if (ctx->state >= MFCINST_HEAD_PARSED && 768 ctx->state < MFCINST_ABORT) { 769 ctrl->val = ctx->pb_count; 770 } else { 771 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 772 return -EINVAL; 773 } 774 break; 775 } 776 return 0; 777} 778 779 780static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { 781 .s_ctrl = s5p_mfc_dec_s_ctrl, 782 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, 783}; 784 785/* Get cropping information */ 786static int vidioc_g_crop(struct file *file, void *priv, 787 struct v4l2_crop *cr) 788{ 789 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 790 struct s5p_mfc_dev *dev = ctx->dev; 791 u32 left, right, top, bottom; 792 793 if (ctx->state != MFCINST_HEAD_PARSED && 794 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING 795 && ctx->state != MFCINST_FINISHED) { 796 mfc_err("Cannont set crop\n"); 797 return -EINVAL; 798 } 799 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { 800 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); 801 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; 802 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; 803 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); 804 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; 805 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; 806 cr->c.left = left; 807 cr->c.top = top; 808 cr->c.width = ctx->img_width - left - right; 809 cr->c.height = ctx->img_height - top - bottom; 810 mfc_debug(2, "Cropping info [h264]: l=%d t=%d " 811 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, 812 cr->c.width, cr->c.height, right, bottom, 813 ctx->buf_width, ctx->buf_height); 814 } else { 815 cr->c.left = 0; 816 cr->c.top = 0; 817 cr->c.width = ctx->img_width; 818 cr->c.height = ctx->img_height; 819 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " 820 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, 821 ctx->buf_height); 822 } 823 return 0; 824} 825 826static int vidioc_decoder_cmd(struct file *file, void *priv, 827 struct v4l2_decoder_cmd *cmd) 828{ 829 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 830 struct s5p_mfc_dev *dev = ctx->dev; 831 struct s5p_mfc_buf *buf; 832 unsigned long flags; 833 834 switch (cmd->cmd) { 835 case V4L2_ENC_CMD_STOP: 836 if (cmd->flags != 0) 837 return -EINVAL; 838 839 if (!ctx->vq_src.streaming) 840 return -EINVAL; 841 842 spin_lock_irqsave(&dev->irqlock, flags); 843 if (list_empty(&ctx->src_queue)) { 844 mfc_err("EOS: empty src queue, entering finishing state"); 845 ctx->state = MFCINST_FINISHING; 846 if (s5p_mfc_ctx_ready(ctx)) 847 set_work_bit_irqsave(ctx); 848 spin_unlock_irqrestore(&dev->irqlock, flags); 849 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 850 } else { 851 mfc_err("EOS: marking last buffer of stream"); 852 buf = list_entry(ctx->src_queue.prev, 853 struct s5p_mfc_buf, list); 854 if (buf->flags & MFC_BUF_FLAG_USED) 855 ctx->state = MFCINST_FINISHING; 856 else 857 buf->flags |= MFC_BUF_FLAG_EOS; 858 spin_unlock_irqrestore(&dev->irqlock, flags); 859 } 860 break; 861 default: 862 return -EINVAL; 863 } 864 return 0; 865} 866 867static int vidioc_subscribe_event(struct v4l2_fh *fh, 868 const struct v4l2_event_subscription *sub) 869{ 870 switch (sub->type) { 871 case V4L2_EVENT_EOS: 872 return v4l2_event_subscribe(fh, sub, 2, NULL); 873 case V4L2_EVENT_SOURCE_CHANGE: 874 return v4l2_src_change_event_subscribe(fh, sub); 875 default: 876 return -EINVAL; 877 } 878} 879 880 881/* v4l2_ioctl_ops */ 882static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { 883 .vidioc_querycap = vidioc_querycap, 884 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 885 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, 886 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 887 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, 888 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, 889 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, 890 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, 891 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, 892 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, 893 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, 894 .vidioc_reqbufs = vidioc_reqbufs, 895 .vidioc_querybuf = vidioc_querybuf, 896 .vidioc_qbuf = vidioc_qbuf, 897 .vidioc_dqbuf = vidioc_dqbuf, 898 .vidioc_expbuf = vidioc_expbuf, 899 .vidioc_streamon = vidioc_streamon, 900 .vidioc_streamoff = vidioc_streamoff, 901 .vidioc_g_crop = vidioc_g_crop, 902 .vidioc_decoder_cmd = vidioc_decoder_cmd, 903 .vidioc_subscribe_event = vidioc_subscribe_event, 904 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 905}; 906 907static int s5p_mfc_queue_setup(struct vb2_queue *vq, 908 const struct v4l2_format *fmt, unsigned int *buf_count, 909 unsigned int *plane_count, unsigned int psize[], 910 void *allocators[]) 911{ 912 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 913 struct s5p_mfc_dev *dev = ctx->dev; 914 915 /* Video output for decoding (source) 916 * this can be set after getting an instance */ 917 if (ctx->state == MFCINST_INIT && 918 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 919 /* A single plane is required for input */ 920 *plane_count = 1; 921 if (*buf_count < 1) 922 *buf_count = 1; 923 if (*buf_count > MFC_MAX_BUFFERS) 924 *buf_count = MFC_MAX_BUFFERS; 925 /* Video capture for decoding (destination) 926 * this can be set after the header was parsed */ 927 } else if (ctx->state == MFCINST_HEAD_PARSED && 928 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 929 /* Output plane count is 2 - one for Y and one for CbCr */ 930 *plane_count = 2; 931 /* Setup buffer count */ 932 if (*buf_count < ctx->pb_count) 933 *buf_count = ctx->pb_count; 934 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB) 935 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB; 936 if (*buf_count > MFC_MAX_BUFFERS) 937 *buf_count = MFC_MAX_BUFFERS; 938 } else { 939 mfc_err("State seems invalid. State = %d, vq->type = %d\n", 940 ctx->state, vq->type); 941 return -EINVAL; 942 } 943 mfc_debug(2, "Buffer count=%d, plane count=%d\n", 944 *buf_count, *plane_count); 945 if (ctx->state == MFCINST_HEAD_PARSED && 946 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 947 psize[0] = ctx->luma_size; 948 psize[1] = ctx->chroma_size; 949 950 if (IS_MFCV6_PLUS(dev)) 951 allocators[0] = 952 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 953 else 954 allocators[0] = 955 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; 956 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 957 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 958 ctx->state == MFCINST_INIT) { 959 psize[0] = ctx->dec_src_buf_size; 960 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 961 } else { 962 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n"); 963 return -EINVAL; 964 } 965 return 0; 966} 967 968static void s5p_mfc_unlock(struct vb2_queue *q) 969{ 970 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 971 struct s5p_mfc_dev *dev = ctx->dev; 972 973 mutex_unlock(&dev->mfc_mutex); 974} 975 976static void s5p_mfc_lock(struct vb2_queue *q) 977{ 978 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 979 struct s5p_mfc_dev *dev = ctx->dev; 980 981 mutex_lock(&dev->mfc_mutex); 982} 983 984static int s5p_mfc_buf_init(struct vb2_buffer *vb) 985{ 986 struct vb2_queue *vq = vb->vb2_queue; 987 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 988 unsigned int i; 989 990 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 991 if (ctx->capture_state == QUEUE_BUFS_MMAPED) 992 return 0; 993 for (i = 0; i < ctx->dst_fmt->num_planes; i++) { 994 if (IS_ERR_OR_NULL(ERR_PTR( 995 vb2_dma_contig_plane_dma_addr(vb, i)))) { 996 mfc_err("Plane mem not allocated\n"); 997 return -EINVAL; 998 } 999 } 1000 if (vb2_plane_size(vb, 0) < ctx->luma_size || 1001 vb2_plane_size(vb, 1) < ctx->chroma_size) { 1002 mfc_err("Plane buffer (CAPTURE) is too small\n"); 1003 return -EINVAL; 1004 } 1005 i = vb->v4l2_buf.index; 1006 ctx->dst_bufs[i].b = vb; 1007 ctx->dst_bufs[i].cookie.raw.luma = 1008 vb2_dma_contig_plane_dma_addr(vb, 0); 1009 ctx->dst_bufs[i].cookie.raw.chroma = 1010 vb2_dma_contig_plane_dma_addr(vb, 1); 1011 ctx->dst_bufs_cnt++; 1012 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1013 if (IS_ERR_OR_NULL(ERR_PTR( 1014 vb2_dma_contig_plane_dma_addr(vb, 0)))) { 1015 mfc_err("Plane memory not allocated\n"); 1016 return -EINVAL; 1017 } 1018 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { 1019 mfc_err("Plane buffer (OUTPUT) is too small\n"); 1020 return -EINVAL; 1021 } 1022 1023 i = vb->v4l2_buf.index; 1024 ctx->src_bufs[i].b = vb; 1025 ctx->src_bufs[i].cookie.stream = 1026 vb2_dma_contig_plane_dma_addr(vb, 0); 1027 ctx->src_bufs_cnt++; 1028 } else { 1029 mfc_err("s5p_mfc_buf_init: unknown queue type\n"); 1030 return -EINVAL; 1031 } 1032 return 0; 1033} 1034 1035static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) 1036{ 1037 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1038 struct s5p_mfc_dev *dev = ctx->dev; 1039 1040 v4l2_ctrl_handler_setup(&ctx->ctrl_handler); 1041 if (ctx->state == MFCINST_FINISHING || 1042 ctx->state == MFCINST_FINISHED) 1043 ctx->state = MFCINST_RUNNING; 1044 /* If context is ready then dev = work->data;schedule it to run */ 1045 if (s5p_mfc_ctx_ready(ctx)) 1046 set_work_bit_irqsave(ctx); 1047 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1048 return 0; 1049} 1050 1051static void s5p_mfc_stop_streaming(struct vb2_queue *q) 1052{ 1053 unsigned long flags; 1054 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1055 struct s5p_mfc_dev *dev = ctx->dev; 1056 int aborted = 0; 1057 1058 if ((ctx->state == MFCINST_FINISHING || 1059 ctx->state == MFCINST_RUNNING) && 1060 dev->curr_ctx == ctx->num && dev->hw_lock) { 1061 ctx->state = MFCINST_ABORT; 1062 s5p_mfc_wait_for_done_ctx(ctx, 1063 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); 1064 aborted = 1; 1065 } 1066 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1067 spin_lock_irqsave(&dev->irqlock, flags); 1068 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, 1069 &ctx->vq_dst); 1070 INIT_LIST_HEAD(&ctx->dst_queue); 1071 ctx->dst_queue_cnt = 0; 1072 ctx->dpb_flush_flag = 1; 1073 ctx->dec_dst_flag = 0; 1074 spin_unlock_irqrestore(&dev->irqlock, flags); 1075 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) { 1076 ctx->state = MFCINST_FLUSH; 1077 set_work_bit_irqsave(ctx); 1078 s5p_mfc_clean_ctx_int_flags(ctx); 1079 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1080 if (s5p_mfc_wait_for_done_ctx(ctx, 1081 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) 1082 mfc_err("Err flushing buffers\n"); 1083 } 1084 } 1085 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1086 spin_lock_irqsave(&dev->irqlock, flags); 1087 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, 1088 &ctx->vq_src); 1089 INIT_LIST_HEAD(&ctx->src_queue); 1090 ctx->src_queue_cnt = 0; 1091 spin_unlock_irqrestore(&dev->irqlock, flags); 1092 } 1093 if (aborted) 1094 ctx->state = MFCINST_RUNNING; 1095} 1096 1097 1098static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 1099{ 1100 struct vb2_queue *vq = vb->vb2_queue; 1101 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 1102 struct s5p_mfc_dev *dev = ctx->dev; 1103 unsigned long flags; 1104 struct s5p_mfc_buf *mfc_buf; 1105 1106 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1107 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 1108 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1109 spin_lock_irqsave(&dev->irqlock, flags); 1110 list_add_tail(&mfc_buf->list, &ctx->src_queue); 1111 ctx->src_queue_cnt++; 1112 spin_unlock_irqrestore(&dev->irqlock, flags); 1113 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1114 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 1115 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1116 /* Mark destination as available for use by MFC */ 1117 spin_lock_irqsave(&dev->irqlock, flags); 1118 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 1119 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 1120 ctx->dst_queue_cnt++; 1121 spin_unlock_irqrestore(&dev->irqlock, flags); 1122 } else { 1123 mfc_err("Unsupported buffer type (%d)\n", vq->type); 1124 } 1125 if (s5p_mfc_ctx_ready(ctx)) 1126 set_work_bit_irqsave(ctx); 1127 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1128} 1129 1130static struct vb2_ops s5p_mfc_dec_qops = { 1131 .queue_setup = s5p_mfc_queue_setup, 1132 .wait_prepare = s5p_mfc_unlock, 1133 .wait_finish = s5p_mfc_lock, 1134 .buf_init = s5p_mfc_buf_init, 1135 .start_streaming = s5p_mfc_start_streaming, 1136 .stop_streaming = s5p_mfc_stop_streaming, 1137 .buf_queue = s5p_mfc_buf_queue, 1138}; 1139 1140struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 1141{ 1142 return &decoder_codec_ops; 1143} 1144 1145struct vb2_ops *get_dec_queue_ops(void) 1146{ 1147 return &s5p_mfc_dec_qops; 1148} 1149 1150const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 1151{ 1152 return &s5p_mfc_dec_ioctl_ops; 1153} 1154 1155#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 1156 && V4L2_CTRL_DRIVER_PRIV(x)) 1157 1158int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 1159{ 1160 struct v4l2_ctrl_config cfg; 1161 int i; 1162 1163 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 1164 if (ctx->ctrl_handler.error) { 1165 mfc_err("v4l2_ctrl_handler_init failed\n"); 1166 return ctx->ctrl_handler.error; 1167 } 1168 1169 for (i = 0; i < NUM_CTRLS; i++) { 1170 if (IS_MFC51_PRIV(controls[i].id)) { 1171 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1172 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1173 cfg.id = controls[i].id; 1174 cfg.min = controls[i].minimum; 1175 cfg.max = controls[i].maximum; 1176 cfg.def = controls[i].default_value; 1177 cfg.name = controls[i].name; 1178 cfg.type = controls[i].type; 1179 1180 cfg.step = controls[i].step; 1181 cfg.menu_skip_mask = 0; 1182 1183 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1184 &cfg, NULL); 1185 } else { 1186 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1187 &s5p_mfc_dec_ctrl_ops, 1188 controls[i].id, controls[i].minimum, 1189 controls[i].maximum, controls[i].step, 1190 controls[i].default_value); 1191 } 1192 if (ctx->ctrl_handler.error) { 1193 mfc_err("Adding control (%d) failed\n", i); 1194 return ctx->ctrl_handler.error; 1195 } 1196 if (controls[i].is_volatile && ctx->ctrls[i]) 1197 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1198 } 1199 return 0; 1200} 1201 1202void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1203{ 1204 int i; 1205 1206 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1207 for (i = 0; i < NUM_CTRLS; i++) 1208 ctx->ctrls[i] = NULL; 1209} 1210 1211void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1212{ 1213 struct v4l2_format f; 1214 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264; 1215 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1216 if (IS_MFCV8(ctx->dev)) 1217 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M; 1218 else if (IS_MFCV6_PLUS(ctx->dev)) 1219 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16; 1220 else 1221 f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT; 1222 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1223 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1224 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1225} 1226 1227