s5p_mfc_dec.c revision 818cd91ab8c6e42c2658c8e61f8462637c6f586b
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 35#define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264 36#define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT_16X16 37 38static struct s5p_mfc_fmt formats[] = { 39 { 40 .name = "4:2:0 2 Planes 16x16 Tiles", 41 .fourcc = V4L2_PIX_FMT_NV12MT_16X16, 42 .codec_mode = S5P_MFC_CODEC_NONE, 43 .type = MFC_FMT_RAW, 44 .num_planes = 2, 45 }, 46 { 47 .name = "4:2:0 2 Planes 64x32 Tiles", 48 .fourcc = V4L2_PIX_FMT_NV12MT, 49 .codec_mode = S5P_MFC_CODEC_NONE, 50 .type = MFC_FMT_RAW, 51 .num_planes = 2, 52 }, 53 { 54 .name = "4:2:0 2 Planes Y/CbCr", 55 .fourcc = V4L2_PIX_FMT_NV12M, 56 .codec_mode = S5P_MFC_CODEC_NONE, 57 .type = MFC_FMT_RAW, 58 .num_planes = 2, 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 }, 67 { 68 .name = "H264 Encoded Stream", 69 .fourcc = V4L2_PIX_FMT_H264, 70 .codec_mode = S5P_MFC_CODEC_H264_DEC, 71 .type = MFC_FMT_DEC, 72 .num_planes = 1, 73 }, 74 { 75 .name = "H264/MVC Encoded Stream", 76 .fourcc = V4L2_PIX_FMT_H264_MVC, 77 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC, 78 .type = MFC_FMT_DEC, 79 .num_planes = 1, 80 }, 81 { 82 .name = "H263 Encoded Stream", 83 .fourcc = V4L2_PIX_FMT_H263, 84 .codec_mode = S5P_MFC_CODEC_H263_DEC, 85 .type = MFC_FMT_DEC, 86 .num_planes = 1, 87 }, 88 { 89 .name = "MPEG1 Encoded Stream", 90 .fourcc = V4L2_PIX_FMT_MPEG1, 91 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 92 .type = MFC_FMT_DEC, 93 .num_planes = 1, 94 }, 95 { 96 .name = "MPEG2 Encoded Stream", 97 .fourcc = V4L2_PIX_FMT_MPEG2, 98 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 99 .type = MFC_FMT_DEC, 100 .num_planes = 1, 101 }, 102 { 103 .name = "MPEG4 Encoded Stream", 104 .fourcc = V4L2_PIX_FMT_MPEG4, 105 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 106 .type = MFC_FMT_DEC, 107 .num_planes = 1, 108 }, 109 { 110 .name = "XviD Encoded Stream", 111 .fourcc = V4L2_PIX_FMT_XVID, 112 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 113 .type = MFC_FMT_DEC, 114 .num_planes = 1, 115 }, 116 { 117 .name = "VC1 Encoded Stream", 118 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, 119 .codec_mode = S5P_MFC_CODEC_VC1_DEC, 120 .type = MFC_FMT_DEC, 121 .num_planes = 1, 122 }, 123 { 124 .name = "VC1 RCV Encoded Stream", 125 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, 126 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, 127 .type = MFC_FMT_DEC, 128 .num_planes = 1, 129 }, 130 { 131 .name = "VP8 Encoded Stream", 132 .fourcc = V4L2_PIX_FMT_VP8, 133 .codec_mode = S5P_MFC_CODEC_VP8_DEC, 134 .type = MFC_FMT_DEC, 135 .num_planes = 1, 136 }, 137}; 138 139#define NUM_FORMATS ARRAY_SIZE(formats) 140 141/* Find selected format description */ 142static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) 143{ 144 unsigned int i; 145 146 for (i = 0; i < NUM_FORMATS; i++) { 147 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && 148 formats[i].type == t) 149 return &formats[i]; 150 } 151 return NULL; 152} 153 154static struct mfc_control controls[] = { 155 { 156 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, 157 .type = V4L2_CTRL_TYPE_INTEGER, 158 .name = "H264 Display Delay", 159 .minimum = 0, 160 .maximum = 16383, 161 .step = 1, 162 .default_value = 0, 163 }, 164 { 165 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, 166 .type = V4L2_CTRL_TYPE_BOOLEAN, 167 .name = "H264 Display Delay Enable", 168 .minimum = 0, 169 .maximum = 1, 170 .step = 1, 171 .default_value = 0, 172 }, 173 { 174 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 175 .type = V4L2_CTRL_TYPE_BOOLEAN, 176 .name = "Mpeg4 Loop Filter Enable", 177 .minimum = 0, 178 .maximum = 1, 179 .step = 1, 180 .default_value = 0, 181 }, 182 { 183 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, 184 .type = V4L2_CTRL_TYPE_BOOLEAN, 185 .name = "Slice Interface Enable", 186 .minimum = 0, 187 .maximum = 1, 188 .step = 1, 189 .default_value = 0, 190 }, 191 { 192 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 193 .type = V4L2_CTRL_TYPE_INTEGER, 194 .name = "Minimum number of cap bufs", 195 .minimum = 1, 196 .maximum = 32, 197 .step = 1, 198 .default_value = 1, 199 .is_volatile = 1, 200 }, 201}; 202 203#define NUM_CTRLS ARRAY_SIZE(controls) 204 205/* Check whether a context should be run on hardware */ 206static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) 207{ 208 /* Context is to parse header */ 209 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) 210 return 1; 211 /* Context is to decode a frame */ 212 if (ctx->src_queue_cnt >= 1 && 213 ctx->state == MFCINST_RUNNING && 214 ctx->dst_queue_cnt >= ctx->pb_count) 215 return 1; 216 /* Context is to return last frame */ 217 if (ctx->state == MFCINST_FINISHING && 218 ctx->dst_queue_cnt >= ctx->pb_count) 219 return 1; 220 /* Context is to set buffers */ 221 if (ctx->src_queue_cnt >= 1 && 222 ctx->state == MFCINST_HEAD_PARSED && 223 ctx->capture_state == QUEUE_BUFS_MMAPED) 224 return 1; 225 /* Resolution change */ 226 if ((ctx->state == MFCINST_RES_CHANGE_INIT || 227 ctx->state == MFCINST_RES_CHANGE_FLUSH) && 228 ctx->dst_queue_cnt >= ctx->pb_count) 229 return 1; 230 if (ctx->state == MFCINST_RES_CHANGE_END && 231 ctx->src_queue_cnt >= 1) 232 return 1; 233 mfc_debug(2, "ctx is not ready\n"); 234 return 0; 235} 236 237static struct s5p_mfc_codec_ops decoder_codec_ops = { 238 .pre_seq_start = NULL, 239 .post_seq_start = NULL, 240 .pre_frame_start = NULL, 241 .post_frame_start = NULL, 242}; 243 244/* Query capabilities of the device */ 245static int vidioc_querycap(struct file *file, void *priv, 246 struct v4l2_capability *cap) 247{ 248 struct s5p_mfc_dev *dev = video_drvdata(file); 249 250 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); 251 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); 252 cap->bus_info[0] = 0; 253 cap->version = KERNEL_VERSION(1, 0, 0); 254 /* 255 * This is only a mem-to-mem video device. The capture and output 256 * device capability flags are left only for backward compatibility 257 * and are scheduled for removal. 258 */ 259 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | 260 V4L2_CAP_VIDEO_CAPTURE_MPLANE | 261 V4L2_CAP_VIDEO_OUTPUT_MPLANE; 262 return 0; 263} 264 265/* Enumerate format */ 266static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out) 267{ 268 struct s5p_mfc_fmt *fmt; 269 int i, j = 0; 270 271 for (i = 0; i < ARRAY_SIZE(formats); ++i) { 272 if (mplane && formats[i].num_planes == 1) 273 continue; 274 else if (!mplane && formats[i].num_planes > 1) 275 continue; 276 if (out && formats[i].type != MFC_FMT_DEC) 277 continue; 278 else if (!out && formats[i].type != MFC_FMT_RAW) 279 continue; 280 281 if (j == f->index) 282 break; 283 ++j; 284 } 285 if (i == ARRAY_SIZE(formats)) 286 return -EINVAL; 287 fmt = &formats[i]; 288 strlcpy(f->description, fmt->name, sizeof(f->description)); 289 f->pixelformat = fmt->fourcc; 290 return 0; 291} 292 293static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, 294 struct v4l2_fmtdesc *f) 295{ 296 return vidioc_enum_fmt(f, false, false); 297} 298 299static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, 300 struct v4l2_fmtdesc *f) 301{ 302 return vidioc_enum_fmt(f, true, false); 303} 304 305static int vidioc_enum_fmt_vid_out(struct file *file, void *prov, 306 struct v4l2_fmtdesc *f) 307{ 308 return vidioc_enum_fmt(f, false, true); 309} 310 311static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, 312 struct v4l2_fmtdesc *f) 313{ 314 return vidioc_enum_fmt(f, true, true); 315} 316 317/* Get format */ 318static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) 319{ 320 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 321 struct v4l2_pix_format_mplane *pix_mp; 322 323 mfc_debug_enter(); 324 pix_mp = &f->fmt.pix_mp; 325 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 326 (ctx->state == MFCINST_GOT_INST || ctx->state == 327 MFCINST_RES_CHANGE_END)) { 328 /* If the MFC is parsing the header, 329 * so wait until it is finished */ 330 s5p_mfc_clean_ctx_int_flags(ctx); 331 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 332 0); 333 } 334 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 335 ctx->state >= MFCINST_HEAD_PARSED && 336 ctx->state < MFCINST_ABORT) { 337 /* This is run on CAPTURE (decode output) */ 338 /* Width and height are set to the dimensions 339 of the movie, the buffer is bigger and 340 further processing stages should crop to this 341 rectangle. */ 342 pix_mp->width = ctx->buf_width; 343 pix_mp->height = ctx->buf_height; 344 pix_mp->field = V4L2_FIELD_NONE; 345 pix_mp->num_planes = 2; 346 /* Set pixelformat to the format in which MFC 347 outputs the decoded frame */ 348 pix_mp->pixelformat = ctx->dst_fmt->fourcc; 349 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; 350 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; 351 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; 352 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; 353 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 354 /* This is run on OUTPUT 355 The buffer contains compressed image 356 so width and height have no meaning */ 357 pix_mp->width = 0; 358 pix_mp->height = 0; 359 pix_mp->field = V4L2_FIELD_NONE; 360 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; 361 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; 362 pix_mp->pixelformat = ctx->src_fmt->fourcc; 363 pix_mp->num_planes = ctx->src_fmt->num_planes; 364 } else { 365 mfc_err("Format could not be read\n"); 366 mfc_debug(2, "%s-- with error\n", __func__); 367 return -EINVAL; 368 } 369 mfc_debug_leave(); 370 return 0; 371} 372 373/* Try format */ 374static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) 375{ 376 struct s5p_mfc_dev *dev = video_drvdata(file); 377 struct s5p_mfc_fmt *fmt; 378 379 mfc_debug(2, "Type is %d\n", f->type); 380 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 381 fmt = find_format(f, MFC_FMT_DEC); 382 if (!fmt) { 383 mfc_err("Unsupported format for source.\n"); 384 return -EINVAL; 385 } 386 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) { 387 mfc_err("Unknown codec\n"); 388 return -EINVAL; 389 } 390 if (!IS_MFCV6_PLUS(dev)) { 391 if (fmt->fourcc == V4L2_PIX_FMT_VP8) { 392 mfc_err("Not supported format.\n"); 393 return -EINVAL; 394 } 395 } 396 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 397 fmt = find_format(f, MFC_FMT_RAW); 398 if (!fmt) { 399 mfc_err("Unsupported format for destination.\n"); 400 return -EINVAL; 401 } 402 if (IS_MFCV6_PLUS(dev) && 403 (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { 404 mfc_err("Not supported format.\n"); 405 return -EINVAL; 406 } else if (!IS_MFCV6_PLUS(dev) && 407 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { 408 mfc_err("Not supported format.\n"); 409 return -EINVAL; 410 } 411 } 412 413 return 0; 414} 415 416/* Set format */ 417static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 418{ 419 struct s5p_mfc_dev *dev = video_drvdata(file); 420 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 421 int ret = 0; 422 struct v4l2_pix_format_mplane *pix_mp; 423 424 mfc_debug_enter(); 425 ret = vidioc_try_fmt(file, priv, f); 426 pix_mp = &f->fmt.pix_mp; 427 if (ret) 428 return ret; 429 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 430 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 431 ret = -EBUSY; 432 goto out; 433 } 434 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 435 /* dst_fmt is validated by call to vidioc_try_fmt */ 436 ctx->dst_fmt = find_format(f, MFC_FMT_RAW); 437 ret = 0; 438 goto out; 439 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 440 /* src_fmt is validated by call to vidioc_try_fmt */ 441 ctx->src_fmt = find_format(f, MFC_FMT_DEC); 442 ctx->codec_mode = ctx->src_fmt->codec_mode; 443 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 444 pix_mp->height = 0; 445 pix_mp->width = 0; 446 if (pix_mp->plane_fmt[0].sizeimage) 447 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 448 else 449 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 450 DEF_CPB_SIZE; 451 pix_mp->plane_fmt[0].bytesperline = 0; 452 ctx->state = MFCINST_INIT; 453 ret = 0; 454 goto out; 455 } else { 456 mfc_err("Wrong type error for S_FMT : %d", f->type); 457 ret = -EINVAL; 458 goto out; 459 } 460 461out: 462 mfc_debug_leave(); 463 return ret; 464} 465 466static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, 467 struct v4l2_requestbuffers *reqbufs) 468{ 469 int ret = 0; 470 471 s5p_mfc_clock_on(); 472 473 if (reqbufs->count == 0) { 474 mfc_debug(2, "Freeing buffers\n"); 475 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 476 if (ret) 477 goto out; 478 ctx->src_bufs_cnt = 0; 479 } else if (ctx->output_state == QUEUE_FREE) { 480 /* Can only request buffers after the instance 481 * has been opened. 482 */ 483 WARN_ON(ctx->src_bufs_cnt != 0); 484 if (ctx->state != MFCINST_INIT) { 485 mfc_err("Reqbufs called in an invalid state\n"); 486 ret = -EINVAL; 487 goto out; 488 } 489 490 mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n", 491 reqbufs->count); 492 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 493 if (ret) 494 goto out; 495 496 ctx->output_state = QUEUE_BUFS_REQUESTED; 497 } else { 498 mfc_err("Buffers have already been requested\n"); 499 ret = -EINVAL; 500 } 501out: 502 s5p_mfc_clock_off(); 503 if (ret) 504 mfc_err("Failed allocating buffers for OUTPUT queue\n"); 505 return ret; 506} 507 508static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, 509 struct v4l2_requestbuffers *reqbufs) 510{ 511 int ret = 0; 512 513 s5p_mfc_clock_on(); 514 515 if (reqbufs->count == 0) { 516 mfc_debug(2, "Freeing buffers\n"); 517 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 518 if (ret) 519 goto out; 520 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx); 521 ctx->dst_bufs_cnt = 0; 522 } else if (ctx->capture_state == QUEUE_FREE) { 523 WARN_ON(ctx->dst_bufs_cnt != 0); 524 mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n", 525 reqbufs->count); 526 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 527 if (ret) 528 goto out; 529 530 ctx->capture_state = QUEUE_BUFS_REQUESTED; 531 ctx->total_dpb_count = reqbufs->count; 532 533 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 534 if (ret) { 535 mfc_err("Failed to allocate decoding buffers\n"); 536 reqbufs->count = 0; 537 vb2_reqbufs(&ctx->vq_dst, reqbufs); 538 ret = -ENOMEM; 539 ctx->capture_state = QUEUE_FREE; 540 goto out; 541 } 542 543 WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count); 544 ctx->capture_state = QUEUE_BUFS_MMAPED; 545 546 if (s5p_mfc_ctx_ready(ctx)) 547 set_work_bit_irqsave(ctx); 548 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 549 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 550 0); 551 } else { 552 mfc_err("Buffers have already been requested\n"); 553 ret = -EINVAL; 554 } 555out: 556 s5p_mfc_clock_off(); 557 if (ret) 558 mfc_err("Failed allocating buffers for CAPTURE queue\n"); 559 return ret; 560} 561 562/* Reqeust buffers */ 563static int vidioc_reqbufs(struct file *file, void *priv, 564 struct v4l2_requestbuffers *reqbufs) 565{ 566 struct s5p_mfc_dev *dev = video_drvdata(file); 567 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 568 569 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 570 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 571 return -EINVAL; 572 } 573 574 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 575 return reqbufs_output(dev, ctx, reqbufs); 576 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 577 return reqbufs_capture(dev, ctx, reqbufs); 578 } else { 579 mfc_err("Invalid type requested\n"); 580 return -EINVAL; 581 } 582} 583 584/* Query buffer */ 585static int vidioc_querybuf(struct file *file, void *priv, 586 struct v4l2_buffer *buf) 587{ 588 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 589 int ret; 590 int i; 591 592 if (buf->memory != V4L2_MEMORY_MMAP) { 593 mfc_err("Only mmaped buffers can be used\n"); 594 return -EINVAL; 595 } 596 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 597 if (ctx->state == MFCINST_INIT && 598 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 599 ret = vb2_querybuf(&ctx->vq_src, buf); 600 } else if (ctx->state == MFCINST_RUNNING && 601 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 602 ret = vb2_querybuf(&ctx->vq_dst, buf); 603 for (i = 0; i < buf->length; i++) 604 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 605 } else { 606 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 607 ret = -EINVAL; 608 } 609 mfc_debug_leave(); 610 return ret; 611} 612 613/* Queue a buffer */ 614static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 615{ 616 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 617 618 if (ctx->state == MFCINST_ERROR) { 619 mfc_err("Call on QBUF after unrecoverable error\n"); 620 return -EIO; 621 } 622 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 623 return vb2_qbuf(&ctx->vq_src, buf); 624 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 625 return vb2_qbuf(&ctx->vq_dst, buf); 626 return -EINVAL; 627} 628 629/* Dequeue a buffer */ 630static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 631{ 632 const struct v4l2_event ev = { 633 .type = V4L2_EVENT_EOS 634 }; 635 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 636 int ret; 637 638 if (ctx->state == MFCINST_ERROR) { 639 mfc_err("Call on DQBUF after unrecoverable error\n"); 640 return -EIO; 641 } 642 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 643 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 644 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 645 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 646 if (ret == 0 && ctx->state == MFCINST_FINISHED && 647 list_empty(&ctx->vq_dst.done_list)) 648 v4l2_event_queue_fh(&ctx->fh, &ev); 649 } else { 650 ret = -EINVAL; 651 } 652 return ret; 653} 654 655/* Export DMA buffer */ 656static int vidioc_expbuf(struct file *file, void *priv, 657 struct v4l2_exportbuffer *eb) 658{ 659 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 660 661 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 662 return vb2_expbuf(&ctx->vq_src, eb); 663 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 664 return vb2_expbuf(&ctx->vq_dst, eb); 665 return -EINVAL; 666} 667 668/* Stream on */ 669static int vidioc_streamon(struct file *file, void *priv, 670 enum v4l2_buf_type type) 671{ 672 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 673 struct s5p_mfc_dev *dev = ctx->dev; 674 int ret = -EINVAL; 675 676 mfc_debug_enter(); 677 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 678 if (ctx->state == MFCINST_INIT) { 679 ctx->dst_bufs_cnt = 0; 680 ctx->src_bufs_cnt = 0; 681 ctx->capture_state = QUEUE_FREE; 682 ctx->output_state = QUEUE_FREE; 683 ret = s5p_mfc_open_mfc_inst(dev, ctx); 684 if (ret) 685 return ret; 686 } 687 ret = vb2_streamon(&ctx->vq_src, type); 688 } else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 689 ret = vb2_streamon(&ctx->vq_dst, type); 690 } 691 mfc_debug_leave(); 692 return ret; 693} 694 695/* Stream off, which equals to a pause */ 696static int vidioc_streamoff(struct file *file, void *priv, 697 enum v4l2_buf_type type) 698{ 699 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 700 701 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 702 return vb2_streamoff(&ctx->vq_src, type); 703 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 704 return vb2_streamoff(&ctx->vq_dst, type); 705 return -EINVAL; 706} 707 708/* Set controls - v4l2 control framework */ 709static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) 710{ 711 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 712 713 switch (ctrl->id) { 714 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: 715 ctx->display_delay = ctrl->val; 716 break; 717 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: 718 ctx->display_delay_enable = ctrl->val; 719 break; 720 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: 721 ctx->loop_filter_mpeg4 = ctrl->val; 722 break; 723 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: 724 ctx->slice_interface = ctrl->val; 725 break; 726 default: 727 mfc_err("Invalid control 0x%08x\n", ctrl->id); 728 return -EINVAL; 729 } 730 return 0; 731} 732 733static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) 734{ 735 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 736 struct s5p_mfc_dev *dev = ctx->dev; 737 738 switch (ctrl->id) { 739 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: 740 if (ctx->state >= MFCINST_HEAD_PARSED && 741 ctx->state < MFCINST_ABORT) { 742 ctrl->val = ctx->pb_count; 743 break; 744 } else if (ctx->state != MFCINST_INIT) { 745 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 746 return -EINVAL; 747 } 748 /* Should wait for the header to be parsed */ 749 s5p_mfc_clean_ctx_int_flags(ctx); 750 s5p_mfc_wait_for_done_ctx(ctx, 751 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); 752 if (ctx->state >= MFCINST_HEAD_PARSED && 753 ctx->state < MFCINST_ABORT) { 754 ctrl->val = ctx->pb_count; 755 } else { 756 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 757 return -EINVAL; 758 } 759 break; 760 } 761 return 0; 762} 763 764 765static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { 766 .s_ctrl = s5p_mfc_dec_s_ctrl, 767 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, 768}; 769 770/* Get cropping information */ 771static int vidioc_g_crop(struct file *file, void *priv, 772 struct v4l2_crop *cr) 773{ 774 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 775 struct s5p_mfc_dev *dev = ctx->dev; 776 u32 left, right, top, bottom; 777 778 if (ctx->state != MFCINST_HEAD_PARSED && 779 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING 780 && ctx->state != MFCINST_FINISHED) { 781 mfc_err("Cannont set crop\n"); 782 return -EINVAL; 783 } 784 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { 785 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); 786 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; 787 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; 788 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); 789 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; 790 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; 791 cr->c.left = left; 792 cr->c.top = top; 793 cr->c.width = ctx->img_width - left - right; 794 cr->c.height = ctx->img_height - top - bottom; 795 mfc_debug(2, "Cropping info [h264]: l=%d t=%d " 796 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, 797 cr->c.width, cr->c.height, right, bottom, 798 ctx->buf_width, ctx->buf_height); 799 } else { 800 cr->c.left = 0; 801 cr->c.top = 0; 802 cr->c.width = ctx->img_width; 803 cr->c.height = ctx->img_height; 804 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " 805 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, 806 ctx->buf_height); 807 } 808 return 0; 809} 810 811int vidioc_decoder_cmd(struct file *file, void *priv, 812 struct v4l2_decoder_cmd *cmd) 813{ 814 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 815 struct s5p_mfc_dev *dev = ctx->dev; 816 struct s5p_mfc_buf *buf; 817 unsigned long flags; 818 819 switch (cmd->cmd) { 820 case V4L2_ENC_CMD_STOP: 821 if (cmd->flags != 0) 822 return -EINVAL; 823 824 if (!ctx->vq_src.streaming) 825 return -EINVAL; 826 827 spin_lock_irqsave(&dev->irqlock, flags); 828 if (list_empty(&ctx->src_queue)) { 829 mfc_err("EOS: empty src queue, entering finishing state"); 830 ctx->state = MFCINST_FINISHING; 831 if (s5p_mfc_ctx_ready(ctx)) 832 set_work_bit_irqsave(ctx); 833 spin_unlock_irqrestore(&dev->irqlock, flags); 834 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 835 } else { 836 mfc_err("EOS: marking last buffer of stream"); 837 buf = list_entry(ctx->src_queue.prev, 838 struct s5p_mfc_buf, list); 839 if (buf->flags & MFC_BUF_FLAG_USED) 840 ctx->state = MFCINST_FINISHING; 841 else 842 buf->flags |= MFC_BUF_FLAG_EOS; 843 spin_unlock_irqrestore(&dev->irqlock, flags); 844 } 845 break; 846 default: 847 return -EINVAL; 848 } 849 return 0; 850} 851 852static int vidioc_subscribe_event(struct v4l2_fh *fh, 853 const struct v4l2_event_subscription *sub) 854{ 855 switch (sub->type) { 856 case V4L2_EVENT_EOS: 857 return v4l2_event_subscribe(fh, sub, 2, NULL); 858 default: 859 return -EINVAL; 860 } 861} 862 863 864/* v4l2_ioctl_ops */ 865static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { 866 .vidioc_querycap = vidioc_querycap, 867 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 868 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, 869 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 870 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, 871 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, 872 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, 873 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, 874 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, 875 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, 876 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, 877 .vidioc_reqbufs = vidioc_reqbufs, 878 .vidioc_querybuf = vidioc_querybuf, 879 .vidioc_qbuf = vidioc_qbuf, 880 .vidioc_dqbuf = vidioc_dqbuf, 881 .vidioc_expbuf = vidioc_expbuf, 882 .vidioc_streamon = vidioc_streamon, 883 .vidioc_streamoff = vidioc_streamoff, 884 .vidioc_g_crop = vidioc_g_crop, 885 .vidioc_decoder_cmd = vidioc_decoder_cmd, 886 .vidioc_subscribe_event = vidioc_subscribe_event, 887 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 888}; 889 890static int s5p_mfc_queue_setup(struct vb2_queue *vq, 891 const struct v4l2_format *fmt, unsigned int *buf_count, 892 unsigned int *plane_count, unsigned int psize[], 893 void *allocators[]) 894{ 895 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 896 struct s5p_mfc_dev *dev = ctx->dev; 897 898 /* Video output for decoding (source) 899 * this can be set after getting an instance */ 900 if (ctx->state == MFCINST_INIT && 901 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 902 /* A single plane is required for input */ 903 *plane_count = 1; 904 if (*buf_count < 1) 905 *buf_count = 1; 906 if (*buf_count > MFC_MAX_BUFFERS) 907 *buf_count = MFC_MAX_BUFFERS; 908 /* Video capture for decoding (destination) 909 * this can be set after the header was parsed */ 910 } else if (ctx->state == MFCINST_HEAD_PARSED && 911 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 912 /* Output plane count is 2 - one for Y and one for CbCr */ 913 *plane_count = 2; 914 /* Setup buffer count */ 915 if (*buf_count < ctx->pb_count) 916 *buf_count = ctx->pb_count; 917 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB) 918 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB; 919 if (*buf_count > MFC_MAX_BUFFERS) 920 *buf_count = MFC_MAX_BUFFERS; 921 } else { 922 mfc_err("State seems invalid. State = %d, vq->type = %d\n", 923 ctx->state, vq->type); 924 return -EINVAL; 925 } 926 mfc_debug(2, "Buffer count=%d, plane count=%d\n", 927 *buf_count, *plane_count); 928 if (ctx->state == MFCINST_HEAD_PARSED && 929 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 930 psize[0] = ctx->luma_size; 931 psize[1] = ctx->chroma_size; 932 933 if (IS_MFCV6_PLUS(dev)) 934 allocators[0] = 935 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 936 else 937 allocators[0] = 938 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; 939 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 940 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 941 ctx->state == MFCINST_INIT) { 942 psize[0] = ctx->dec_src_buf_size; 943 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 944 } else { 945 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n"); 946 return -EINVAL; 947 } 948 return 0; 949} 950 951static void s5p_mfc_unlock(struct vb2_queue *q) 952{ 953 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 954 struct s5p_mfc_dev *dev = ctx->dev; 955 956 mutex_unlock(&dev->mfc_mutex); 957} 958 959static void s5p_mfc_lock(struct vb2_queue *q) 960{ 961 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 962 struct s5p_mfc_dev *dev = ctx->dev; 963 964 mutex_lock(&dev->mfc_mutex); 965} 966 967static int s5p_mfc_buf_init(struct vb2_buffer *vb) 968{ 969 struct vb2_queue *vq = vb->vb2_queue; 970 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 971 unsigned int i; 972 973 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 974 if (ctx->capture_state == QUEUE_BUFS_MMAPED) 975 return 0; 976 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) { 977 if (IS_ERR_OR_NULL(ERR_PTR( 978 vb2_dma_contig_plane_dma_addr(vb, i)))) { 979 mfc_err("Plane mem not allocated\n"); 980 return -EINVAL; 981 } 982 } 983 if (vb2_plane_size(vb, 0) < ctx->luma_size || 984 vb2_plane_size(vb, 1) < ctx->chroma_size) { 985 mfc_err("Plane buffer (CAPTURE) is too small\n"); 986 return -EINVAL; 987 } 988 i = vb->v4l2_buf.index; 989 ctx->dst_bufs[i].b = vb; 990 ctx->dst_bufs[i].cookie.raw.luma = 991 vb2_dma_contig_plane_dma_addr(vb, 0); 992 ctx->dst_bufs[i].cookie.raw.chroma = 993 vb2_dma_contig_plane_dma_addr(vb, 1); 994 ctx->dst_bufs_cnt++; 995 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 996 if (IS_ERR_OR_NULL(ERR_PTR( 997 vb2_dma_contig_plane_dma_addr(vb, 0)))) { 998 mfc_err("Plane memory not allocated\n"); 999 return -EINVAL; 1000 } 1001 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { 1002 mfc_err("Plane buffer (OUTPUT) is too small\n"); 1003 return -EINVAL; 1004 } 1005 1006 i = vb->v4l2_buf.index; 1007 ctx->src_bufs[i].b = vb; 1008 ctx->src_bufs[i].cookie.stream = 1009 vb2_dma_contig_plane_dma_addr(vb, 0); 1010 ctx->src_bufs_cnt++; 1011 } else { 1012 mfc_err("s5p_mfc_buf_init: unknown queue type\n"); 1013 return -EINVAL; 1014 } 1015 return 0; 1016} 1017 1018static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) 1019{ 1020 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1021 struct s5p_mfc_dev *dev = ctx->dev; 1022 1023 v4l2_ctrl_handler_setup(&ctx->ctrl_handler); 1024 if (ctx->state == MFCINST_FINISHING || 1025 ctx->state == MFCINST_FINISHED) 1026 ctx->state = MFCINST_RUNNING; 1027 /* If context is ready then dev = work->data;schedule it to run */ 1028 if (s5p_mfc_ctx_ready(ctx)) 1029 set_work_bit_irqsave(ctx); 1030 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1031 return 0; 1032} 1033 1034static void s5p_mfc_stop_streaming(struct vb2_queue *q) 1035{ 1036 unsigned long flags; 1037 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 1038 struct s5p_mfc_dev *dev = ctx->dev; 1039 int aborted = 0; 1040 1041 if ((ctx->state == MFCINST_FINISHING || 1042 ctx->state == MFCINST_RUNNING) && 1043 dev->curr_ctx == ctx->num && dev->hw_lock) { 1044 ctx->state = MFCINST_ABORT; 1045 s5p_mfc_wait_for_done_ctx(ctx, 1046 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); 1047 aborted = 1; 1048 } 1049 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1050 spin_lock_irqsave(&dev->irqlock, flags); 1051 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, 1052 &ctx->vq_dst); 1053 INIT_LIST_HEAD(&ctx->dst_queue); 1054 ctx->dst_queue_cnt = 0; 1055 ctx->dpb_flush_flag = 1; 1056 ctx->dec_dst_flag = 0; 1057 spin_unlock_irqrestore(&dev->irqlock, flags); 1058 if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) { 1059 ctx->state = MFCINST_FLUSH; 1060 set_work_bit_irqsave(ctx); 1061 s5p_mfc_clean_ctx_int_flags(ctx); 1062 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1063 if (s5p_mfc_wait_for_done_ctx(ctx, 1064 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) 1065 mfc_err("Err flushing buffers\n"); 1066 } 1067 } 1068 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1069 spin_lock_irqsave(&dev->irqlock, flags); 1070 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, 1071 &ctx->vq_src); 1072 INIT_LIST_HEAD(&ctx->src_queue); 1073 ctx->src_queue_cnt = 0; 1074 spin_unlock_irqrestore(&dev->irqlock, flags); 1075 } 1076 if (aborted) 1077 ctx->state = MFCINST_RUNNING; 1078} 1079 1080 1081static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 1082{ 1083 struct vb2_queue *vq = vb->vb2_queue; 1084 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 1085 struct s5p_mfc_dev *dev = ctx->dev; 1086 unsigned long flags; 1087 struct s5p_mfc_buf *mfc_buf; 1088 1089 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1090 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 1091 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1092 spin_lock_irqsave(&dev->irqlock, flags); 1093 list_add_tail(&mfc_buf->list, &ctx->src_queue); 1094 ctx->src_queue_cnt++; 1095 spin_unlock_irqrestore(&dev->irqlock, flags); 1096 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1097 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 1098 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1099 /* Mark destination as available for use by MFC */ 1100 spin_lock_irqsave(&dev->irqlock, flags); 1101 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 1102 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 1103 ctx->dst_queue_cnt++; 1104 spin_unlock_irqrestore(&dev->irqlock, flags); 1105 } else { 1106 mfc_err("Unsupported buffer type (%d)\n", vq->type); 1107 } 1108 if (s5p_mfc_ctx_ready(ctx)) 1109 set_work_bit_irqsave(ctx); 1110 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1111} 1112 1113static struct vb2_ops s5p_mfc_dec_qops = { 1114 .queue_setup = s5p_mfc_queue_setup, 1115 .wait_prepare = s5p_mfc_unlock, 1116 .wait_finish = s5p_mfc_lock, 1117 .buf_init = s5p_mfc_buf_init, 1118 .start_streaming = s5p_mfc_start_streaming, 1119 .stop_streaming = s5p_mfc_stop_streaming, 1120 .buf_queue = s5p_mfc_buf_queue, 1121}; 1122 1123struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 1124{ 1125 return &decoder_codec_ops; 1126} 1127 1128struct vb2_ops *get_dec_queue_ops(void) 1129{ 1130 return &s5p_mfc_dec_qops; 1131} 1132 1133const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 1134{ 1135 return &s5p_mfc_dec_ioctl_ops; 1136} 1137 1138#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 1139 && V4L2_CTRL_DRIVER_PRIV(x)) 1140 1141int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 1142{ 1143 struct v4l2_ctrl_config cfg; 1144 int i; 1145 1146 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 1147 if (ctx->ctrl_handler.error) { 1148 mfc_err("v4l2_ctrl_handler_init failed\n"); 1149 return ctx->ctrl_handler.error; 1150 } 1151 1152 for (i = 0; i < NUM_CTRLS; i++) { 1153 if (IS_MFC51_PRIV(controls[i].id)) { 1154 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1155 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1156 cfg.id = controls[i].id; 1157 cfg.min = controls[i].minimum; 1158 cfg.max = controls[i].maximum; 1159 cfg.def = controls[i].default_value; 1160 cfg.name = controls[i].name; 1161 cfg.type = controls[i].type; 1162 1163 cfg.step = controls[i].step; 1164 cfg.menu_skip_mask = 0; 1165 1166 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1167 &cfg, NULL); 1168 } else { 1169 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1170 &s5p_mfc_dec_ctrl_ops, 1171 controls[i].id, controls[i].minimum, 1172 controls[i].maximum, controls[i].step, 1173 controls[i].default_value); 1174 } 1175 if (ctx->ctrl_handler.error) { 1176 mfc_err("Adding control (%d) failed\n", i); 1177 return ctx->ctrl_handler.error; 1178 } 1179 if (controls[i].is_volatile && ctx->ctrls[i]) 1180 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1181 } 1182 return 0; 1183} 1184 1185void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1186{ 1187 int i; 1188 1189 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1190 for (i = 0; i < NUM_CTRLS; i++) 1191 ctx->ctrls[i] = NULL; 1192} 1193 1194void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1195{ 1196 struct v4l2_format f; 1197 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC; 1198 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1199 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC; 1200 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1201 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1202 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1203} 1204 1205