s5p_mfc_dec.c revision 19c2813c2882c7ecc6e1e8813f54ace495cfbe9a
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_debug.h" 29#include "s5p_mfc_dec.h" 30#include "s5p_mfc_intr.h" 31#include "s5p_mfc_opr.h" 32#include "s5p_mfc_pm.h" 33 34#define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264 35#define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT_16X16 36 37static struct s5p_mfc_fmt formats[] = { 38 { 39 .name = "4:2:0 2 Planes 16x16 Tiles", 40 .fourcc = V4L2_PIX_FMT_NV12MT_16X16, 41 .codec_mode = S5P_MFC_CODEC_NONE, 42 .type = MFC_FMT_RAW, 43 .num_planes = 2, 44 }, 45 { 46 .name = "4:2:0 2 Planes 64x32 Tiles", 47 .fourcc = V4L2_PIX_FMT_NV12MT, 48 .codec_mode = S5P_MFC_CODEC_NONE, 49 .type = MFC_FMT_RAW, 50 .num_planes = 2, 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 }, 59 { 60 .name = "4:2:0 2 Planes Y/CrCb", 61 .fourcc = V4L2_PIX_FMT_NV21M, 62 .codec_mode = S5P_MFC_CODEC_NONE, 63 .type = MFC_FMT_RAW, 64 .num_planes = 2, 65 }, 66 { 67 .name = "H264 Encoded Stream", 68 .fourcc = V4L2_PIX_FMT_H264, 69 .codec_mode = S5P_MFC_CODEC_H264_DEC, 70 .type = MFC_FMT_DEC, 71 .num_planes = 1, 72 }, 73 { 74 .name = "H264/MVC Encoded Stream", 75 .fourcc = V4L2_PIX_FMT_H264_MVC, 76 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC, 77 .type = MFC_FMT_DEC, 78 .num_planes = 1, 79 }, 80 { 81 .name = "H263 Encoded Stream", 82 .fourcc = V4L2_PIX_FMT_H263, 83 .codec_mode = S5P_MFC_CODEC_H263_DEC, 84 .type = MFC_FMT_DEC, 85 .num_planes = 1, 86 }, 87 { 88 .name = "MPEG1 Encoded Stream", 89 .fourcc = V4L2_PIX_FMT_MPEG1, 90 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 91 .type = MFC_FMT_DEC, 92 .num_planes = 1, 93 }, 94 { 95 .name = "MPEG2 Encoded Stream", 96 .fourcc = V4L2_PIX_FMT_MPEG2, 97 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 98 .type = MFC_FMT_DEC, 99 .num_planes = 1, 100 }, 101 { 102 .name = "MPEG4 Encoded Stream", 103 .fourcc = V4L2_PIX_FMT_MPEG4, 104 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 105 .type = MFC_FMT_DEC, 106 .num_planes = 1, 107 }, 108 { 109 .name = "XviD Encoded Stream", 110 .fourcc = V4L2_PIX_FMT_XVID, 111 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 112 .type = MFC_FMT_DEC, 113 .num_planes = 1, 114 }, 115 { 116 .name = "VC1 Encoded Stream", 117 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, 118 .codec_mode = S5P_MFC_CODEC_VC1_DEC, 119 .type = MFC_FMT_DEC, 120 .num_planes = 1, 121 }, 122 { 123 .name = "VC1 RCV Encoded Stream", 124 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, 125 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, 126 .type = MFC_FMT_DEC, 127 .num_planes = 1, 128 }, 129 { 130 .name = "VP8 Encoded Stream", 131 .fourcc = V4L2_PIX_FMT_VP8, 132 .codec_mode = S5P_MFC_CODEC_VP8_DEC, 133 .type = MFC_FMT_DEC, 134 .num_planes = 1, 135 }, 136}; 137 138#define NUM_FORMATS ARRAY_SIZE(formats) 139 140/* Find selected format description */ 141static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) 142{ 143 unsigned int i; 144 145 for (i = 0; i < NUM_FORMATS; i++) { 146 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && 147 formats[i].type == t) 148 return &formats[i]; 149 } 150 return NULL; 151} 152 153static struct mfc_control controls[] = { 154 { 155 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, 156 .type = V4L2_CTRL_TYPE_INTEGER, 157 .name = "H264 Display Delay", 158 .minimum = 0, 159 .maximum = 16383, 160 .step = 1, 161 .default_value = 0, 162 }, 163 { 164 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, 165 .type = V4L2_CTRL_TYPE_BOOLEAN, 166 .name = "H264 Display Delay Enable", 167 .minimum = 0, 168 .maximum = 1, 169 .step = 1, 170 .default_value = 0, 171 }, 172 { 173 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 174 .type = V4L2_CTRL_TYPE_BOOLEAN, 175 .name = "Mpeg4 Loop Filter Enable", 176 .minimum = 0, 177 .maximum = 1, 178 .step = 1, 179 .default_value = 0, 180 }, 181 { 182 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, 183 .type = V4L2_CTRL_TYPE_BOOLEAN, 184 .name = "Slice Interface Enable", 185 .minimum = 0, 186 .maximum = 1, 187 .step = 1, 188 .default_value = 0, 189 }, 190 { 191 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 192 .type = V4L2_CTRL_TYPE_INTEGER, 193 .name = "Minimum number of cap bufs", 194 .minimum = 1, 195 .maximum = 32, 196 .step = 1, 197 .default_value = 1, 198 .is_volatile = 1, 199 }, 200}; 201 202#define NUM_CTRLS ARRAY_SIZE(controls) 203 204/* Check whether a context should be run on hardware */ 205static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) 206{ 207 /* Context is to parse header */ 208 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) 209 return 1; 210 /* Context is to decode a frame */ 211 if (ctx->src_queue_cnt >= 1 && 212 ctx->state == MFCINST_RUNNING && 213 ctx->dst_queue_cnt >= ctx->pb_count) 214 return 1; 215 /* Context is to return last frame */ 216 if (ctx->state == MFCINST_FINISHING && 217 ctx->dst_queue_cnt >= ctx->pb_count) 218 return 1; 219 /* Context is to set buffers */ 220 if (ctx->src_queue_cnt >= 1 && 221 ctx->state == MFCINST_HEAD_PARSED && 222 ctx->capture_state == QUEUE_BUFS_MMAPED) 223 return 1; 224 /* Resolution change */ 225 if ((ctx->state == MFCINST_RES_CHANGE_INIT || 226 ctx->state == MFCINST_RES_CHANGE_FLUSH) && 227 ctx->dst_queue_cnt >= ctx->pb_count) 228 return 1; 229 if (ctx->state == MFCINST_RES_CHANGE_END && 230 ctx->src_queue_cnt >= 1) 231 return 1; 232 mfc_debug(2, "ctx is not ready\n"); 233 return 0; 234} 235 236static struct s5p_mfc_codec_ops decoder_codec_ops = { 237 .pre_seq_start = NULL, 238 .post_seq_start = NULL, 239 .pre_frame_start = NULL, 240 .post_frame_start = NULL, 241}; 242 243/* Query capabilities of the device */ 244static int vidioc_querycap(struct file *file, void *priv, 245 struct v4l2_capability *cap) 246{ 247 struct s5p_mfc_dev *dev = video_drvdata(file); 248 249 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); 250 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); 251 cap->bus_info[0] = 0; 252 cap->version = KERNEL_VERSION(1, 0, 0); 253 /* 254 * This is only a mem-to-mem video device. The capture and output 255 * device capability flags are left only for backward compatibility 256 * and are scheduled for removal. 257 */ 258 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | 259 V4L2_CAP_VIDEO_CAPTURE_MPLANE | 260 V4L2_CAP_VIDEO_OUTPUT_MPLANE; 261 return 0; 262} 263 264/* Enumerate format */ 265static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out) 266{ 267 struct s5p_mfc_fmt *fmt; 268 int i, j = 0; 269 270 for (i = 0; i < ARRAY_SIZE(formats); ++i) { 271 if (mplane && formats[i].num_planes == 1) 272 continue; 273 else if (!mplane && formats[i].num_planes > 1) 274 continue; 275 if (out && formats[i].type != MFC_FMT_DEC) 276 continue; 277 else if (!out && formats[i].type != MFC_FMT_RAW) 278 continue; 279 280 if (j == f->index) 281 break; 282 ++j; 283 } 284 if (i == ARRAY_SIZE(formats)) 285 return -EINVAL; 286 fmt = &formats[i]; 287 strlcpy(f->description, fmt->name, sizeof(f->description)); 288 f->pixelformat = fmt->fourcc; 289 return 0; 290} 291 292static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, 293 struct v4l2_fmtdesc *f) 294{ 295 return vidioc_enum_fmt(f, false, false); 296} 297 298static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, 299 struct v4l2_fmtdesc *f) 300{ 301 return vidioc_enum_fmt(f, true, false); 302} 303 304static int vidioc_enum_fmt_vid_out(struct file *file, void *prov, 305 struct v4l2_fmtdesc *f) 306{ 307 return vidioc_enum_fmt(f, false, true); 308} 309 310static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, 311 struct v4l2_fmtdesc *f) 312{ 313 return vidioc_enum_fmt(f, true, true); 314} 315 316/* Get format */ 317static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) 318{ 319 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 320 struct v4l2_pix_format_mplane *pix_mp; 321 322 mfc_debug_enter(); 323 pix_mp = &f->fmt.pix_mp; 324 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 325 (ctx->state == MFCINST_GOT_INST || ctx->state == 326 MFCINST_RES_CHANGE_END)) { 327 /* If the MFC is parsing the header, 328 * so wait until it is finished */ 329 s5p_mfc_clean_ctx_int_flags(ctx); 330 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 331 0); 332 } 333 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 334 ctx->state >= MFCINST_HEAD_PARSED && 335 ctx->state < MFCINST_ABORT) { 336 /* This is run on CAPTURE (decode output) */ 337 /* Width and height are set to the dimensions 338 of the movie, the buffer is bigger and 339 further processing stages should crop to this 340 rectangle. */ 341 pix_mp->width = ctx->buf_width; 342 pix_mp->height = ctx->buf_height; 343 pix_mp->field = V4L2_FIELD_NONE; 344 pix_mp->num_planes = 2; 345 /* Set pixelformat to the format in which MFC 346 outputs the decoded frame */ 347 pix_mp->pixelformat = ctx->dst_fmt->fourcc; 348 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; 349 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; 350 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; 351 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; 352 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 353 /* This is run on OUTPUT 354 The buffer contains compressed image 355 so width and height have no meaning */ 356 pix_mp->width = 0; 357 pix_mp->height = 0; 358 pix_mp->field = V4L2_FIELD_NONE; 359 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; 360 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; 361 pix_mp->pixelformat = ctx->src_fmt->fourcc; 362 pix_mp->num_planes = ctx->src_fmt->num_planes; 363 } else { 364 mfc_err("Format could not be read\n"); 365 mfc_debug(2, "%s-- with error\n", __func__); 366 return -EINVAL; 367 } 368 mfc_debug_leave(); 369 return 0; 370} 371 372/* Try format */ 373static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) 374{ 375 struct s5p_mfc_dev *dev = video_drvdata(file); 376 struct s5p_mfc_fmt *fmt; 377 378 mfc_debug(2, "Type is %d\n", f->type); 379 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 380 fmt = find_format(f, MFC_FMT_DEC); 381 if (!fmt) { 382 mfc_err("Unsupported format for source.\n"); 383 return -EINVAL; 384 } 385 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) { 386 mfc_err("Unknown codec\n"); 387 return -EINVAL; 388 } 389 if (!IS_MFCV6_PLUS(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { 390 mfc_err("Not supported format.\n"); 391 return -EINVAL; 392 } 393 if (!IS_MFCV6_PLUS(dev)) { 394 if (fmt->fourcc == V4L2_PIX_FMT_VP8) { 395 mfc_err("Not supported format.\n"); 396 return -EINVAL; 397 } 398 } 399 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 400 fmt = find_format(f, MFC_FMT_RAW); 401 if (!fmt) { 402 mfc_err("Unsupported format for destination.\n"); 403 return -EINVAL; 404 } 405 if (IS_MFCV6_PLUS(dev) && 406 (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { 407 mfc_err("Not supported format.\n"); 408 return -EINVAL; 409 } else if (!IS_MFCV6_PLUS(dev) && 410 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { 411 mfc_err("Not supported format.\n"); 412 return -EINVAL; 413 } 414 } 415 416 return 0; 417} 418 419/* Set format */ 420static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 421{ 422 struct s5p_mfc_dev *dev = video_drvdata(file); 423 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 424 int ret = 0; 425 struct v4l2_pix_format_mplane *pix_mp; 426 427 mfc_debug_enter(); 428 ret = vidioc_try_fmt(file, priv, f); 429 pix_mp = &f->fmt.pix_mp; 430 if (ret) 431 return ret; 432 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 433 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 434 ret = -EBUSY; 435 goto out; 436 } 437 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 438 /* dst_fmt is validated by call to vidioc_try_fmt */ 439 ctx->dst_fmt = find_format(f, MFC_FMT_RAW); 440 ret = 0; 441 goto out; 442 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 443 /* src_fmt is validated by call to vidioc_try_fmt */ 444 ctx->src_fmt = find_format(f, MFC_FMT_DEC); 445 ctx->codec_mode = ctx->src_fmt->codec_mode; 446 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 447 pix_mp->height = 0; 448 pix_mp->width = 0; 449 if (pix_mp->plane_fmt[0].sizeimage) 450 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 451 else 452 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 453 DEF_CPB_SIZE; 454 pix_mp->plane_fmt[0].bytesperline = 0; 455 ctx->state = MFCINST_INIT; 456 ret = 0; 457 goto out; 458 } else { 459 mfc_err("Wrong type error for S_FMT : %d", f->type); 460 ret = -EINVAL; 461 goto out; 462 } 463 464out: 465 mfc_debug_leave(); 466 return ret; 467} 468 469/* Reqeust buffers */ 470static int vidioc_reqbufs(struct file *file, void *priv, 471 struct v4l2_requestbuffers *reqbufs) 472{ 473 struct s5p_mfc_dev *dev = video_drvdata(file); 474 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 475 int ret = 0; 476 477 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 478 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 479 return -EINVAL; 480 } 481 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 482 /* Can only request buffers after an instance has been opened.*/ 483 if (ctx->state == MFCINST_INIT) { 484 ctx->src_bufs_cnt = 0; 485 if (reqbufs->count == 0) { 486 mfc_debug(2, "Freeing buffers\n"); 487 s5p_mfc_clock_on(); 488 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 489 s5p_mfc_clock_off(); 490 return ret; 491 } 492 /* Decoding */ 493 if (ctx->output_state != QUEUE_FREE) { 494 mfc_err("Bufs have already been requested\n"); 495 return -EINVAL; 496 } 497 s5p_mfc_clock_on(); 498 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 499 s5p_mfc_clock_off(); 500 if (ret) { 501 mfc_err("vb2_reqbufs on output failed\n"); 502 return ret; 503 } 504 mfc_debug(2, "vb2_reqbufs: %d\n", ret); 505 ctx->output_state = QUEUE_BUFS_REQUESTED; 506 } 507 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 508 ctx->dst_bufs_cnt = 0; 509 if (reqbufs->count == 0) { 510 mfc_debug(2, "Freeing buffers\n"); 511 s5p_mfc_clock_on(); 512 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 513 s5p_mfc_clock_off(); 514 return ret; 515 } 516 if (ctx->capture_state != QUEUE_FREE) { 517 mfc_err("Bufs have already been requested\n"); 518 return -EINVAL; 519 } 520 ctx->capture_state = QUEUE_BUFS_REQUESTED; 521 s5p_mfc_clock_on(); 522 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 523 s5p_mfc_clock_off(); 524 if (ret) { 525 mfc_err("vb2_reqbufs on capture failed\n"); 526 return ret; 527 } 528 if (reqbufs->count < ctx->pb_count) { 529 mfc_err("Not enough buffers allocated\n"); 530 reqbufs->count = 0; 531 s5p_mfc_clock_on(); 532 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 533 s5p_mfc_clock_off(); 534 return -ENOMEM; 535 } 536 ctx->total_dpb_count = reqbufs->count; 537 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 538 if (ret) { 539 mfc_err("Failed to allocate decoding buffers\n"); 540 reqbufs->count = 0; 541 s5p_mfc_clock_on(); 542 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 543 s5p_mfc_clock_off(); 544 return -ENOMEM; 545 } 546 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) { 547 ctx->capture_state = QUEUE_BUFS_MMAPED; 548 } else { 549 mfc_err("Not all buffers passed to buf_init\n"); 550 reqbufs->count = 0; 551 s5p_mfc_clock_on(); 552 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 553 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, 554 ctx); 555 s5p_mfc_clock_off(); 556 return -ENOMEM; 557 } 558 if (s5p_mfc_ctx_ready(ctx)) 559 set_work_bit_irqsave(ctx); 560 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 561 s5p_mfc_wait_for_done_ctx(ctx, 562 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0); 563 } 564 return ret; 565} 566 567/* Query buffer */ 568static int vidioc_querybuf(struct file *file, void *priv, 569 struct v4l2_buffer *buf) 570{ 571 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 572 int ret; 573 int i; 574 575 if (buf->memory != V4L2_MEMORY_MMAP) { 576 mfc_err("Only mmaped buffers can be used\n"); 577 return -EINVAL; 578 } 579 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 580 if (ctx->state == MFCINST_INIT && 581 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 582 ret = vb2_querybuf(&ctx->vq_src, buf); 583 } else if (ctx->state == MFCINST_RUNNING && 584 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 585 ret = vb2_querybuf(&ctx->vq_dst, buf); 586 for (i = 0; i < buf->length; i++) 587 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 588 } else { 589 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 590 ret = -EINVAL; 591 } 592 mfc_debug_leave(); 593 return ret; 594} 595 596/* Queue a buffer */ 597static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 598{ 599 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 600 601 if (ctx->state == MFCINST_ERROR) { 602 mfc_err("Call on QBUF after unrecoverable error\n"); 603 return -EIO; 604 } 605 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 606 return vb2_qbuf(&ctx->vq_src, buf); 607 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 608 return vb2_qbuf(&ctx->vq_dst, buf); 609 return -EINVAL; 610} 611 612/* Dequeue a buffer */ 613static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 614{ 615 const struct v4l2_event ev = { 616 .type = V4L2_EVENT_EOS 617 }; 618 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 619 int ret; 620 621 if (ctx->state == MFCINST_ERROR) { 622 mfc_err("Call on DQBUF after unrecoverable error\n"); 623 return -EIO; 624 } 625 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 626 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 627 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 628 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 629 if (ret == 0 && ctx->state == MFCINST_FINISHED && 630 list_empty(&ctx->vq_dst.done_list)) 631 v4l2_event_queue_fh(&ctx->fh, &ev); 632 } else { 633 ret = -EINVAL; 634 } 635 return ret; 636} 637 638/* Export DMA buffer */ 639static int vidioc_expbuf(struct file *file, void *priv, 640 struct v4l2_exportbuffer *eb) 641{ 642 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 643 644 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 645 return vb2_expbuf(&ctx->vq_src, eb); 646 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 647 return vb2_expbuf(&ctx->vq_dst, eb); 648 return -EINVAL; 649} 650 651/* Stream on */ 652static int vidioc_streamon(struct file *file, void *priv, 653 enum v4l2_buf_type type) 654{ 655 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 656 struct s5p_mfc_dev *dev = ctx->dev; 657 int ret = -EINVAL; 658 659 mfc_debug_enter(); 660 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 661 662 if (ctx->state == MFCINST_INIT) { 663 ctx->dst_bufs_cnt = 0; 664 ctx->src_bufs_cnt = 0; 665 ctx->capture_state = QUEUE_FREE; 666 ctx->output_state = QUEUE_FREE; 667 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, 668 ctx); 669 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers, 670 ctx); 671 set_work_bit_irqsave(ctx); 672 s5p_mfc_clean_ctx_int_flags(ctx); 673 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 674 675 if (s5p_mfc_wait_for_done_ctx(ctx, 676 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) { 677 /* Error or timeout */ 678 mfc_err("Error getting instance from hardware\n"); 679 s5p_mfc_hw_call(dev->mfc_ops, 680 release_instance_buffer, ctx); 681 s5p_mfc_hw_call(dev->mfc_ops, 682 release_dec_desc_buffer, ctx); 683 return -EIO; 684 } 685 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); 686 } 687 ret = vb2_streamon(&ctx->vq_src, type); 688 } 689 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 690 ret = vb2_streamon(&ctx->vq_dst, type); 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 int 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 return 0; 1079} 1080 1081 1082static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 1083{ 1084 struct vb2_queue *vq = vb->vb2_queue; 1085 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 1086 struct s5p_mfc_dev *dev = ctx->dev; 1087 unsigned long flags; 1088 struct s5p_mfc_buf *mfc_buf; 1089 1090 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 1091 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 1092 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1093 spin_lock_irqsave(&dev->irqlock, flags); 1094 list_add_tail(&mfc_buf->list, &ctx->src_queue); 1095 ctx->src_queue_cnt++; 1096 spin_unlock_irqrestore(&dev->irqlock, flags); 1097 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 1098 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 1099 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 1100 /* Mark destination as available for use by MFC */ 1101 spin_lock_irqsave(&dev->irqlock, flags); 1102 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 1103 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 1104 ctx->dst_queue_cnt++; 1105 spin_unlock_irqrestore(&dev->irqlock, flags); 1106 } else { 1107 mfc_err("Unsupported buffer type (%d)\n", vq->type); 1108 } 1109 if (s5p_mfc_ctx_ready(ctx)) 1110 set_work_bit_irqsave(ctx); 1111 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 1112} 1113 1114static struct vb2_ops s5p_mfc_dec_qops = { 1115 .queue_setup = s5p_mfc_queue_setup, 1116 .wait_prepare = s5p_mfc_unlock, 1117 .wait_finish = s5p_mfc_lock, 1118 .buf_init = s5p_mfc_buf_init, 1119 .start_streaming = s5p_mfc_start_streaming, 1120 .stop_streaming = s5p_mfc_stop_streaming, 1121 .buf_queue = s5p_mfc_buf_queue, 1122}; 1123 1124struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 1125{ 1126 return &decoder_codec_ops; 1127} 1128 1129struct vb2_ops *get_dec_queue_ops(void) 1130{ 1131 return &s5p_mfc_dec_qops; 1132} 1133 1134const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 1135{ 1136 return &s5p_mfc_dec_ioctl_ops; 1137} 1138 1139#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 1140 && V4L2_CTRL_DRIVER_PRIV(x)) 1141 1142int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 1143{ 1144 struct v4l2_ctrl_config cfg; 1145 int i; 1146 1147 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 1148 if (ctx->ctrl_handler.error) { 1149 mfc_err("v4l2_ctrl_handler_init failed\n"); 1150 return ctx->ctrl_handler.error; 1151 } 1152 1153 for (i = 0; i < NUM_CTRLS; i++) { 1154 if (IS_MFC51_PRIV(controls[i].id)) { 1155 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1156 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1157 cfg.id = controls[i].id; 1158 cfg.min = controls[i].minimum; 1159 cfg.max = controls[i].maximum; 1160 cfg.def = controls[i].default_value; 1161 cfg.name = controls[i].name; 1162 cfg.type = controls[i].type; 1163 1164 cfg.step = controls[i].step; 1165 cfg.menu_skip_mask = 0; 1166 1167 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1168 &cfg, NULL); 1169 } else { 1170 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1171 &s5p_mfc_dec_ctrl_ops, 1172 controls[i].id, controls[i].minimum, 1173 controls[i].maximum, controls[i].step, 1174 controls[i].default_value); 1175 } 1176 if (ctx->ctrl_handler.error) { 1177 mfc_err("Adding control (%d) failed\n", i); 1178 return ctx->ctrl_handler.error; 1179 } 1180 if (controls[i].is_volatile && ctx->ctrls[i]) 1181 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1182 } 1183 return 0; 1184} 1185 1186void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1187{ 1188 int i; 1189 1190 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1191 for (i = 0; i < NUM_CTRLS; i++) 1192 ctx->ctrls[i] = NULL; 1193} 1194 1195void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1196{ 1197 struct v4l2_format f; 1198 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC; 1199 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1200 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC; 1201 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1202 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1203 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1204} 1205 1206