s5p_mfc_dec.c revision 43a1ea1f90382a6a8fcf5ed94835b8518ebdefc8
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/videobuf2-core.h> 26#include "s5p_mfc_common.h" 27#include "s5p_mfc_debug.h" 28#include "s5p_mfc_dec.h" 29#include "s5p_mfc_intr.h" 30#include "s5p_mfc_opr.h" 31#include "s5p_mfc_pm.h" 32 33#define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264 34#define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT 35 36static struct s5p_mfc_fmt formats[] = { 37 { 38 .name = "4:2:0 2 Planes 64x32 Tiles", 39 .fourcc = V4L2_PIX_FMT_NV12MT, 40 .codec_mode = S5P_MFC_CODEC_NONE, 41 .type = MFC_FMT_RAW, 42 .num_planes = 2, 43 }, 44 { 45 .name = "4:2:0 2 Planes", 46 .fourcc = V4L2_PIX_FMT_NV12M, 47 .codec_mode = S5P_MFC_CODEC_NONE, 48 .type = MFC_FMT_RAW, 49 .num_planes = 2, 50 }, 51 { 52 .name = "H264 Encoded Stream", 53 .fourcc = V4L2_PIX_FMT_H264, 54 .codec_mode = S5P_MFC_CODEC_H264_DEC, 55 .type = MFC_FMT_DEC, 56 .num_planes = 1, 57 }, 58 { 59 .name = "H263 Encoded Stream", 60 .fourcc = V4L2_PIX_FMT_H263, 61 .codec_mode = S5P_MFC_CODEC_H263_DEC, 62 .type = MFC_FMT_DEC, 63 .num_planes = 1, 64 }, 65 { 66 .name = "MPEG1 Encoded Stream", 67 .fourcc = V4L2_PIX_FMT_MPEG1, 68 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 69 .type = MFC_FMT_DEC, 70 .num_planes = 1, 71 }, 72 { 73 .name = "MPEG2 Encoded Stream", 74 .fourcc = V4L2_PIX_FMT_MPEG2, 75 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, 76 .type = MFC_FMT_DEC, 77 .num_planes = 1, 78 }, 79 { 80 .name = "MPEG4 Encoded Stream", 81 .fourcc = V4L2_PIX_FMT_MPEG4, 82 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 83 .type = MFC_FMT_DEC, 84 .num_planes = 1, 85 }, 86 { 87 .name = "XviD Encoded Stream", 88 .fourcc = V4L2_PIX_FMT_XVID, 89 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, 90 .type = MFC_FMT_DEC, 91 .num_planes = 1, 92 }, 93 { 94 .name = "VC1 Encoded Stream", 95 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, 96 .codec_mode = S5P_MFC_CODEC_VC1_DEC, 97 .type = MFC_FMT_DEC, 98 .num_planes = 1, 99 }, 100 { 101 .name = "VC1 RCV Encoded Stream", 102 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, 103 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, 104 .type = MFC_FMT_DEC, 105 .num_planes = 1, 106 }, 107}; 108 109#define NUM_FORMATS ARRAY_SIZE(formats) 110 111/* Find selected format description */ 112static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) 113{ 114 unsigned int i; 115 116 for (i = 0; i < NUM_FORMATS; i++) { 117 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && 118 formats[i].type == t) 119 return &formats[i]; 120 } 121 return NULL; 122} 123 124static struct mfc_control controls[] = { 125 { 126 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, 127 .type = V4L2_CTRL_TYPE_INTEGER, 128 .name = "H264 Display Delay", 129 .minimum = 0, 130 .maximum = 16383, 131 .step = 1, 132 .default_value = 0, 133 }, 134 { 135 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, 136 .type = V4L2_CTRL_TYPE_BOOLEAN, 137 .name = "H264 Display Delay Enable", 138 .minimum = 0, 139 .maximum = 1, 140 .step = 1, 141 .default_value = 0, 142 }, 143 { 144 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 145 .type = V4L2_CTRL_TYPE_BOOLEAN, 146 .name = "Mpeg4 Loop Filter Enable", 147 .minimum = 0, 148 .maximum = 1, 149 .step = 1, 150 .default_value = 0, 151 }, 152 { 153 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, 154 .type = V4L2_CTRL_TYPE_BOOLEAN, 155 .name = "Slice Interface Enable", 156 .minimum = 0, 157 .maximum = 1, 158 .step = 1, 159 .default_value = 0, 160 }, 161 { 162 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 163 .type = V4L2_CTRL_TYPE_INTEGER, 164 .name = "Minimum number of cap bufs", 165 .minimum = 1, 166 .maximum = 32, 167 .step = 1, 168 .default_value = 1, 169 .is_volatile = 1, 170 }, 171}; 172 173#define NUM_CTRLS ARRAY_SIZE(controls) 174 175/* Check whether a context should be run on hardware */ 176static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) 177{ 178 /* Context is to parse header */ 179 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) 180 return 1; 181 /* Context is to decode a frame */ 182 if (ctx->src_queue_cnt >= 1 && 183 ctx->state == MFCINST_RUNNING && 184 ctx->dst_queue_cnt >= ctx->dpb_count) 185 return 1; 186 /* Context is to return last frame */ 187 if (ctx->state == MFCINST_FINISHING && 188 ctx->dst_queue_cnt >= ctx->dpb_count) 189 return 1; 190 /* Context is to set buffers */ 191 if (ctx->src_queue_cnt >= 1 && 192 ctx->state == MFCINST_HEAD_PARSED && 193 ctx->capture_state == QUEUE_BUFS_MMAPED) 194 return 1; 195 /* Resolution change */ 196 if ((ctx->state == MFCINST_RES_CHANGE_INIT || 197 ctx->state == MFCINST_RES_CHANGE_FLUSH) && 198 ctx->dst_queue_cnt >= ctx->dpb_count) 199 return 1; 200 if (ctx->state == MFCINST_RES_CHANGE_END && 201 ctx->src_queue_cnt >= 1) 202 return 1; 203 mfc_debug(2, "ctx is not ready\n"); 204 return 0; 205} 206 207static struct s5p_mfc_codec_ops decoder_codec_ops = { 208 .pre_seq_start = NULL, 209 .post_seq_start = NULL, 210 .pre_frame_start = NULL, 211 .post_frame_start = NULL, 212}; 213 214/* Query capabilities of the device */ 215static int vidioc_querycap(struct file *file, void *priv, 216 struct v4l2_capability *cap) 217{ 218 struct s5p_mfc_dev *dev = video_drvdata(file); 219 220 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); 221 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); 222 cap->bus_info[0] = 0; 223 cap->version = KERNEL_VERSION(1, 0, 0); 224 /* 225 * This is only a mem-to-mem video device. The capture and output 226 * device capability flags are left only for backward compatibility 227 * and are scheduled for removal. 228 */ 229 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | 230 V4L2_CAP_VIDEO_CAPTURE_MPLANE | 231 V4L2_CAP_VIDEO_OUTPUT_MPLANE; 232 return 0; 233} 234 235/* Enumerate format */ 236static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out) 237{ 238 struct s5p_mfc_fmt *fmt; 239 int i, j = 0; 240 241 for (i = 0; i < ARRAY_SIZE(formats); ++i) { 242 if (mplane && formats[i].num_planes == 1) 243 continue; 244 else if (!mplane && formats[i].num_planes > 1) 245 continue; 246 if (out && formats[i].type != MFC_FMT_DEC) 247 continue; 248 else if (!out && formats[i].type != MFC_FMT_RAW) 249 continue; 250 251 if (j == f->index) 252 break; 253 ++j; 254 } 255 if (i == ARRAY_SIZE(formats)) 256 return -EINVAL; 257 fmt = &formats[i]; 258 strlcpy(f->description, fmt->name, sizeof(f->description)); 259 f->pixelformat = fmt->fourcc; 260 return 0; 261} 262 263static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, 264 struct v4l2_fmtdesc *f) 265{ 266 return vidioc_enum_fmt(f, false, false); 267} 268 269static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, 270 struct v4l2_fmtdesc *f) 271{ 272 return vidioc_enum_fmt(f, true, false); 273} 274 275static int vidioc_enum_fmt_vid_out(struct file *file, void *prov, 276 struct v4l2_fmtdesc *f) 277{ 278 return vidioc_enum_fmt(f, false, true); 279} 280 281static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, 282 struct v4l2_fmtdesc *f) 283{ 284 return vidioc_enum_fmt(f, true, true); 285} 286 287/* Get format */ 288static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) 289{ 290 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 291 struct v4l2_pix_format_mplane *pix_mp; 292 293 mfc_debug_enter(); 294 pix_mp = &f->fmt.pix_mp; 295 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 296 (ctx->state == MFCINST_GOT_INST || ctx->state == 297 MFCINST_RES_CHANGE_END)) { 298 /* If the MFC is parsing the header, 299 * so wait until it is finished */ 300 s5p_mfc_clean_ctx_int_flags(ctx); 301 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 302 0); 303 } 304 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && 305 ctx->state >= MFCINST_HEAD_PARSED && 306 ctx->state < MFCINST_ABORT) { 307 /* This is run on CAPTURE (decode output) */ 308 /* Width and height are set to the dimensions 309 of the movie, the buffer is bigger and 310 further processing stages should crop to this 311 rectangle. */ 312 pix_mp->width = ctx->buf_width; 313 pix_mp->height = ctx->buf_height; 314 pix_mp->field = V4L2_FIELD_NONE; 315 pix_mp->num_planes = 2; 316 /* Set pixelformat to the format in which MFC 317 outputs the decoded frame */ 318 pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT; 319 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; 320 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; 321 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; 322 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; 323 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 324 /* This is run on OUTPUT 325 The buffer contains compressed image 326 so width and height have no meaning */ 327 pix_mp->width = 0; 328 pix_mp->height = 0; 329 pix_mp->field = V4L2_FIELD_NONE; 330 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; 331 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; 332 pix_mp->pixelformat = ctx->src_fmt->fourcc; 333 pix_mp->num_planes = ctx->src_fmt->num_planes; 334 } else { 335 mfc_err("Format could not be read\n"); 336 mfc_debug(2, "%s-- with error\n", __func__); 337 return -EINVAL; 338 } 339 mfc_debug_leave(); 340 return 0; 341} 342 343/* Try format */ 344static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) 345{ 346 struct s5p_mfc_fmt *fmt; 347 348 if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 349 mfc_err("This node supports decoding only\n"); 350 return -EINVAL; 351 } 352 fmt = find_format(f, MFC_FMT_DEC); 353 if (!fmt) { 354 mfc_err("Unsupported format\n"); 355 return -EINVAL; 356 } 357 if (fmt->type != MFC_FMT_DEC) { 358 mfc_err("\n"); 359 return -EINVAL; 360 } 361 return 0; 362} 363 364/* Set format */ 365static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) 366{ 367 struct s5p_mfc_dev *dev = video_drvdata(file); 368 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 369 int ret = 0; 370 struct s5p_mfc_fmt *fmt; 371 struct v4l2_pix_format_mplane *pix_mp; 372 373 mfc_debug_enter(); 374 ret = vidioc_try_fmt(file, priv, f); 375 pix_mp = &f->fmt.pix_mp; 376 if (ret) 377 return ret; 378 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { 379 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); 380 ret = -EBUSY; 381 goto out; 382 } 383 fmt = find_format(f, MFC_FMT_DEC); 384 if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) { 385 mfc_err("Unknown codec\n"); 386 ret = -EINVAL; 387 goto out; 388 } 389 if (fmt->type != MFC_FMT_DEC) { 390 mfc_err("Wrong format selected, you should choose " 391 "format for decoding\n"); 392 ret = -EINVAL; 393 goto out; 394 } 395 ctx->src_fmt = fmt; 396 ctx->codec_mode = fmt->codec_mode; 397 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); 398 pix_mp->height = 0; 399 pix_mp->width = 0; 400 if (pix_mp->plane_fmt[0].sizeimage) 401 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; 402 else 403 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = 404 DEF_CPB_SIZE; 405 pix_mp->plane_fmt[0].bytesperline = 0; 406 ctx->state = MFCINST_INIT; 407out: 408 mfc_debug_leave(); 409 return ret; 410} 411 412/* Reqeust buffers */ 413static int vidioc_reqbufs(struct file *file, void *priv, 414 struct v4l2_requestbuffers *reqbufs) 415{ 416 struct s5p_mfc_dev *dev = video_drvdata(file); 417 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 418 int ret = 0; 419 420 if (reqbufs->memory != V4L2_MEMORY_MMAP) { 421 mfc_err("Only V4L2_MEMORY_MAP is supported\n"); 422 return -EINVAL; 423 } 424 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 425 /* Can only request buffers after an instance has been opened.*/ 426 if (ctx->state == MFCINST_INIT) { 427 ctx->src_bufs_cnt = 0; 428 if (reqbufs->count == 0) { 429 mfc_debug(2, "Freeing buffers\n"); 430 s5p_mfc_clock_on(); 431 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 432 s5p_mfc_clock_off(); 433 return ret; 434 } 435 /* Decoding */ 436 if (ctx->output_state != QUEUE_FREE) { 437 mfc_err("Bufs have already been requested\n"); 438 return -EINVAL; 439 } 440 s5p_mfc_clock_on(); 441 ret = vb2_reqbufs(&ctx->vq_src, reqbufs); 442 s5p_mfc_clock_off(); 443 if (ret) { 444 mfc_err("vb2_reqbufs on output failed\n"); 445 return ret; 446 } 447 mfc_debug(2, "vb2_reqbufs: %d\n", ret); 448 ctx->output_state = QUEUE_BUFS_REQUESTED; 449 } 450 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 451 ctx->dst_bufs_cnt = 0; 452 if (reqbufs->count == 0) { 453 mfc_debug(2, "Freeing buffers\n"); 454 s5p_mfc_clock_on(); 455 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 456 s5p_mfc_clock_off(); 457 return ret; 458 } 459 if (ctx->capture_state != QUEUE_FREE) { 460 mfc_err("Bufs have already been requested\n"); 461 return -EINVAL; 462 } 463 ctx->capture_state = QUEUE_BUFS_REQUESTED; 464 s5p_mfc_clock_on(); 465 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 466 s5p_mfc_clock_off(); 467 if (ret) { 468 mfc_err("vb2_reqbufs on capture failed\n"); 469 return ret; 470 } 471 if (reqbufs->count < ctx->dpb_count) { 472 mfc_err("Not enough buffers allocated\n"); 473 reqbufs->count = 0; 474 s5p_mfc_clock_on(); 475 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 476 s5p_mfc_clock_off(); 477 return -ENOMEM; 478 } 479 ctx->total_dpb_count = reqbufs->count; 480 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); 481 if (ret) { 482 mfc_err("Failed to allocate decoding buffers\n"); 483 reqbufs->count = 0; 484 s5p_mfc_clock_on(); 485 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 486 s5p_mfc_clock_off(); 487 return -ENOMEM; 488 } 489 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) { 490 ctx->capture_state = QUEUE_BUFS_MMAPED; 491 } else { 492 mfc_err("Not all buffers passed to buf_init\n"); 493 reqbufs->count = 0; 494 s5p_mfc_clock_on(); 495 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); 496 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, 497 ctx); 498 s5p_mfc_clock_off(); 499 return -ENOMEM; 500 } 501 if (s5p_mfc_ctx_ready(ctx)) 502 set_work_bit_irqsave(ctx); 503 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 504 s5p_mfc_wait_for_done_ctx(ctx, 505 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0); 506 } 507 return ret; 508} 509 510/* Query buffer */ 511static int vidioc_querybuf(struct file *file, void *priv, 512 struct v4l2_buffer *buf) 513{ 514 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 515 int ret; 516 int i; 517 518 if (buf->memory != V4L2_MEMORY_MMAP) { 519 mfc_err("Only mmaped buffers can be used\n"); 520 return -EINVAL; 521 } 522 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); 523 if (ctx->state == MFCINST_INIT && 524 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 525 ret = vb2_querybuf(&ctx->vq_src, buf); 526 } else if (ctx->state == MFCINST_RUNNING && 527 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 528 ret = vb2_querybuf(&ctx->vq_dst, buf); 529 for (i = 0; i < buf->length; i++) 530 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; 531 } else { 532 mfc_err("vidioc_querybuf called in an inappropriate state\n"); 533 ret = -EINVAL; 534 } 535 mfc_debug_leave(); 536 return ret; 537} 538 539/* Queue a buffer */ 540static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 541{ 542 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 543 544 if (ctx->state == MFCINST_ERROR) { 545 mfc_err("Call on QBUF after unrecoverable error\n"); 546 return -EIO; 547 } 548 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 549 return vb2_qbuf(&ctx->vq_src, buf); 550 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 551 return vb2_qbuf(&ctx->vq_dst, buf); 552 return -EINVAL; 553} 554 555/* Dequeue a buffer */ 556static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 557{ 558 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 559 560 if (ctx->state == MFCINST_ERROR) { 561 mfc_err("Call on DQBUF after unrecoverable error\n"); 562 return -EIO; 563 } 564 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 565 return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); 566 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 567 return vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 568 return -EINVAL; 569} 570 571/* Stream on */ 572static int vidioc_streamon(struct file *file, void *priv, 573 enum v4l2_buf_type type) 574{ 575 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 576 struct s5p_mfc_dev *dev = ctx->dev; 577 int ret = -EINVAL; 578 579 mfc_debug_enter(); 580 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 581 582 if (ctx->state == MFCINST_INIT) { 583 ctx->dst_bufs_cnt = 0; 584 ctx->src_bufs_cnt = 0; 585 ctx->capture_state = QUEUE_FREE; 586 ctx->output_state = QUEUE_FREE; 587 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, 588 ctx); 589 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers, 590 ctx); 591 set_work_bit_irqsave(ctx); 592 s5p_mfc_clean_ctx_int_flags(ctx); 593 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 594 595 if (s5p_mfc_wait_for_done_ctx(ctx, 596 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) { 597 /* Error or timeout */ 598 mfc_err("Error getting instance from hardware\n"); 599 s5p_mfc_hw_call(dev->mfc_ops, 600 release_instance_buffer, ctx); 601 s5p_mfc_hw_call(dev->mfc_ops, 602 release_dec_desc_buffer, ctx); 603 return -EIO; 604 } 605 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); 606 } 607 ret = vb2_streamon(&ctx->vq_src, type); 608 } 609 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 610 ret = vb2_streamon(&ctx->vq_dst, type); 611 mfc_debug_leave(); 612 return ret; 613} 614 615/* Stream off, which equals to a pause */ 616static int vidioc_streamoff(struct file *file, void *priv, 617 enum v4l2_buf_type type) 618{ 619 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 620 621 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 622 return vb2_streamoff(&ctx->vq_src, type); 623 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 624 return vb2_streamoff(&ctx->vq_dst, type); 625 return -EINVAL; 626} 627 628/* Set controls - v4l2 control framework */ 629static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) 630{ 631 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 632 633 switch (ctrl->id) { 634 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: 635 ctx->display_delay = ctrl->val; 636 break; 637 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: 638 ctx->display_delay_enable = ctrl->val; 639 break; 640 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: 641 ctx->loop_filter_mpeg4 = ctrl->val; 642 break; 643 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: 644 ctx->slice_interface = ctrl->val; 645 break; 646 default: 647 mfc_err("Invalid control 0x%08x\n", ctrl->id); 648 return -EINVAL; 649 } 650 return 0; 651} 652 653static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) 654{ 655 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); 656 struct s5p_mfc_dev *dev = ctx->dev; 657 658 switch (ctrl->id) { 659 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: 660 if (ctx->state >= MFCINST_HEAD_PARSED && 661 ctx->state < MFCINST_ABORT) { 662 ctrl->val = ctx->dpb_count; 663 break; 664 } else if (ctx->state != MFCINST_INIT) { 665 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 666 return -EINVAL; 667 } 668 /* Should wait for the header to be parsed */ 669 s5p_mfc_clean_ctx_int_flags(ctx); 670 s5p_mfc_wait_for_done_ctx(ctx, 671 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); 672 if (ctx->state >= MFCINST_HEAD_PARSED && 673 ctx->state < MFCINST_ABORT) { 674 ctrl->val = ctx->dpb_count; 675 } else { 676 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); 677 return -EINVAL; 678 } 679 break; 680 } 681 return 0; 682} 683 684 685static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { 686 .s_ctrl = s5p_mfc_dec_s_ctrl, 687 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, 688}; 689 690/* Get cropping information */ 691static int vidioc_g_crop(struct file *file, void *priv, 692 struct v4l2_crop *cr) 693{ 694 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); 695 struct s5p_mfc_dev *dev = ctx->dev; 696 u32 left, right, top, bottom; 697 698 if (ctx->state != MFCINST_HEAD_PARSED && 699 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING 700 && ctx->state != MFCINST_FINISHED) { 701 mfc_err("Cannont set crop\n"); 702 return -EINVAL; 703 } 704 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { 705 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); 706 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; 707 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; 708 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); 709 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; 710 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; 711 cr->c.left = left; 712 cr->c.top = top; 713 cr->c.width = ctx->img_width - left - right; 714 cr->c.height = ctx->img_height - top - bottom; 715 mfc_debug(2, "Cropping info [h264]: l=%d t=%d " 716 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, 717 cr->c.width, cr->c.height, right, bottom, 718 ctx->buf_width, ctx->buf_height); 719 } else { 720 cr->c.left = 0; 721 cr->c.top = 0; 722 cr->c.width = ctx->img_width; 723 cr->c.height = ctx->img_height; 724 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " 725 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, 726 ctx->buf_height); 727 } 728 return 0; 729} 730 731/* v4l2_ioctl_ops */ 732static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { 733 .vidioc_querycap = vidioc_querycap, 734 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 735 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, 736 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 737 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, 738 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, 739 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, 740 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, 741 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, 742 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, 743 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, 744 .vidioc_reqbufs = vidioc_reqbufs, 745 .vidioc_querybuf = vidioc_querybuf, 746 .vidioc_qbuf = vidioc_qbuf, 747 .vidioc_dqbuf = vidioc_dqbuf, 748 .vidioc_streamon = vidioc_streamon, 749 .vidioc_streamoff = vidioc_streamoff, 750 .vidioc_g_crop = vidioc_g_crop, 751}; 752 753static int s5p_mfc_queue_setup(struct vb2_queue *vq, 754 const struct v4l2_format *fmt, unsigned int *buf_count, 755 unsigned int *plane_count, unsigned int psize[], 756 void *allocators[]) 757{ 758 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 759 760 /* Video output for decoding (source) 761 * this can be set after getting an instance */ 762 if (ctx->state == MFCINST_INIT && 763 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 764 /* A single plane is required for input */ 765 *plane_count = 1; 766 if (*buf_count < 1) 767 *buf_count = 1; 768 if (*buf_count > MFC_MAX_BUFFERS) 769 *buf_count = MFC_MAX_BUFFERS; 770 /* Video capture for decoding (destination) 771 * this can be set after the header was parsed */ 772 } else if (ctx->state == MFCINST_HEAD_PARSED && 773 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 774 /* Output plane count is 2 - one for Y and one for CbCr */ 775 *plane_count = 2; 776 /* Setup buffer count */ 777 if (*buf_count < ctx->dpb_count) 778 *buf_count = ctx->dpb_count; 779 if (*buf_count > ctx->dpb_count + MFC_MAX_EXTRA_DPB) 780 *buf_count = ctx->dpb_count + MFC_MAX_EXTRA_DPB; 781 if (*buf_count > MFC_MAX_BUFFERS) 782 *buf_count = MFC_MAX_BUFFERS; 783 } else { 784 mfc_err("State seems invalid. State = %d, vq->type = %d\n", 785 ctx->state, vq->type); 786 return -EINVAL; 787 } 788 mfc_debug(2, "Buffer count=%d, plane count=%d\n", 789 *buf_count, *plane_count); 790 if (ctx->state == MFCINST_HEAD_PARSED && 791 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 792 psize[0] = ctx->luma_size; 793 psize[1] = ctx->chroma_size; 794 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; 795 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 796 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && 797 ctx->state == MFCINST_INIT) { 798 psize[0] = ctx->dec_src_buf_size; 799 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; 800 } else { 801 mfc_err("This video node is dedicated to decoding. Decoding not initalised\n"); 802 return -EINVAL; 803 } 804 return 0; 805} 806 807static void s5p_mfc_unlock(struct vb2_queue *q) 808{ 809 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 810 struct s5p_mfc_dev *dev = ctx->dev; 811 812 mutex_unlock(&dev->mfc_mutex); 813} 814 815static void s5p_mfc_lock(struct vb2_queue *q) 816{ 817 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 818 struct s5p_mfc_dev *dev = ctx->dev; 819 820 mutex_lock(&dev->mfc_mutex); 821} 822 823static int s5p_mfc_buf_init(struct vb2_buffer *vb) 824{ 825 struct vb2_queue *vq = vb->vb2_queue; 826 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 827 unsigned int i; 828 829 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 830 if (ctx->capture_state == QUEUE_BUFS_MMAPED) 831 return 0; 832 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) { 833 if (IS_ERR_OR_NULL(ERR_PTR( 834 vb2_dma_contig_plane_dma_addr(vb, i)))) { 835 mfc_err("Plane mem not allocated\n"); 836 return -EINVAL; 837 } 838 } 839 if (vb2_plane_size(vb, 0) < ctx->luma_size || 840 vb2_plane_size(vb, 1) < ctx->chroma_size) { 841 mfc_err("Plane buffer (CAPTURE) is too small\n"); 842 return -EINVAL; 843 } 844 i = vb->v4l2_buf.index; 845 ctx->dst_bufs[i].b = vb; 846 ctx->dst_bufs[i].cookie.raw.luma = 847 vb2_dma_contig_plane_dma_addr(vb, 0); 848 ctx->dst_bufs[i].cookie.raw.chroma = 849 vb2_dma_contig_plane_dma_addr(vb, 1); 850 ctx->dst_bufs_cnt++; 851 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 852 if (IS_ERR_OR_NULL(ERR_PTR( 853 vb2_dma_contig_plane_dma_addr(vb, 0)))) { 854 mfc_err("Plane memory not allocated\n"); 855 return -EINVAL; 856 } 857 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { 858 mfc_err("Plane buffer (OUTPUT) is too small\n"); 859 return -EINVAL; 860 } 861 862 i = vb->v4l2_buf.index; 863 ctx->src_bufs[i].b = vb; 864 ctx->src_bufs[i].cookie.stream = 865 vb2_dma_contig_plane_dma_addr(vb, 0); 866 ctx->src_bufs_cnt++; 867 } else { 868 mfc_err("s5p_mfc_buf_init: unknown queue type\n"); 869 return -EINVAL; 870 } 871 return 0; 872} 873 874static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) 875{ 876 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 877 struct s5p_mfc_dev *dev = ctx->dev; 878 879 v4l2_ctrl_handler_setup(&ctx->ctrl_handler); 880 if (ctx->state == MFCINST_FINISHING || 881 ctx->state == MFCINST_FINISHED) 882 ctx->state = MFCINST_RUNNING; 883 /* If context is ready then dev = work->data;schedule it to run */ 884 if (s5p_mfc_ctx_ready(ctx)) 885 set_work_bit_irqsave(ctx); 886 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 887 return 0; 888} 889 890static int s5p_mfc_stop_streaming(struct vb2_queue *q) 891{ 892 unsigned long flags; 893 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); 894 struct s5p_mfc_dev *dev = ctx->dev; 895 int aborted = 0; 896 897 if ((ctx->state == MFCINST_FINISHING || 898 ctx->state == MFCINST_RUNNING) && 899 dev->curr_ctx == ctx->num && dev->hw_lock) { 900 ctx->state = MFCINST_ABORT; 901 s5p_mfc_wait_for_done_ctx(ctx, 902 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); 903 aborted = 1; 904 } 905 spin_lock_irqsave(&dev->irqlock, flags); 906 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 907 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, 908 &ctx->vq_dst); 909 INIT_LIST_HEAD(&ctx->dst_queue); 910 ctx->dst_queue_cnt = 0; 911 ctx->dpb_flush_flag = 1; 912 ctx->dec_dst_flag = 0; 913 } 914 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 915 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, 916 &ctx->vq_src); 917 INIT_LIST_HEAD(&ctx->src_queue); 918 ctx->src_queue_cnt = 0; 919 } 920 if (aborted) 921 ctx->state = MFCINST_RUNNING; 922 spin_unlock_irqrestore(&dev->irqlock, flags); 923 return 0; 924} 925 926 927static void s5p_mfc_buf_queue(struct vb2_buffer *vb) 928{ 929 struct vb2_queue *vq = vb->vb2_queue; 930 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); 931 struct s5p_mfc_dev *dev = ctx->dev; 932 unsigned long flags; 933 struct s5p_mfc_buf *mfc_buf; 934 935 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 936 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index]; 937 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 938 spin_lock_irqsave(&dev->irqlock, flags); 939 list_add_tail(&mfc_buf->list, &ctx->src_queue); 940 ctx->src_queue_cnt++; 941 spin_unlock_irqrestore(&dev->irqlock, flags); 942 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 943 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index]; 944 mfc_buf->flags &= ~MFC_BUF_FLAG_USED; 945 /* Mark destination as available for use by MFC */ 946 spin_lock_irqsave(&dev->irqlock, flags); 947 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag); 948 list_add_tail(&mfc_buf->list, &ctx->dst_queue); 949 ctx->dst_queue_cnt++; 950 spin_unlock_irqrestore(&dev->irqlock, flags); 951 } else { 952 mfc_err("Unsupported buffer type (%d)\n", vq->type); 953 } 954 if (s5p_mfc_ctx_ready(ctx)) 955 set_work_bit_irqsave(ctx); 956 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); 957} 958 959static struct vb2_ops s5p_mfc_dec_qops = { 960 .queue_setup = s5p_mfc_queue_setup, 961 .wait_prepare = s5p_mfc_unlock, 962 .wait_finish = s5p_mfc_lock, 963 .buf_init = s5p_mfc_buf_init, 964 .start_streaming = s5p_mfc_start_streaming, 965 .stop_streaming = s5p_mfc_stop_streaming, 966 .buf_queue = s5p_mfc_buf_queue, 967}; 968 969struct s5p_mfc_codec_ops *get_dec_codec_ops(void) 970{ 971 return &decoder_codec_ops; 972} 973 974struct vb2_ops *get_dec_queue_ops(void) 975{ 976 return &s5p_mfc_dec_qops; 977} 978 979const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) 980{ 981 return &s5p_mfc_dec_ioctl_ops; 982} 983 984#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \ 985 && V4L2_CTRL_DRIVER_PRIV(x)) 986 987int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) 988{ 989 struct v4l2_ctrl_config cfg; 990 int i; 991 992 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); 993 if (ctx->ctrl_handler.error) { 994 mfc_err("v4l2_ctrl_handler_init failed\n"); 995 return ctx->ctrl_handler.error; 996 } 997 998 for (i = 0; i < NUM_CTRLS; i++) { 999 if (IS_MFC51_PRIV(controls[i].id)) { 1000 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); 1001 cfg.ops = &s5p_mfc_dec_ctrl_ops; 1002 cfg.id = controls[i].id; 1003 cfg.min = controls[i].minimum; 1004 cfg.max = controls[i].maximum; 1005 cfg.def = controls[i].default_value; 1006 cfg.name = controls[i].name; 1007 cfg.type = controls[i].type; 1008 1009 cfg.step = controls[i].step; 1010 cfg.menu_skip_mask = 0; 1011 1012 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, 1013 &cfg, NULL); 1014 } else { 1015 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, 1016 &s5p_mfc_dec_ctrl_ops, 1017 controls[i].id, controls[i].minimum, 1018 controls[i].maximum, controls[i].step, 1019 controls[i].default_value); 1020 } 1021 if (ctx->ctrl_handler.error) { 1022 mfc_err("Adding control (%d) failed\n", i); 1023 return ctx->ctrl_handler.error; 1024 } 1025 if (controls[i].is_volatile && ctx->ctrls[i]) 1026 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; 1027 } 1028 return 0; 1029} 1030 1031void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) 1032{ 1033 int i; 1034 1035 v4l2_ctrl_handler_free(&ctx->ctrl_handler); 1036 for (i = 0; i < NUM_CTRLS; i++) 1037 ctx->ctrls[i] = NULL; 1038} 1039 1040void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) 1041{ 1042 struct v4l2_format f; 1043 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC; 1044 ctx->src_fmt = find_format(&f, MFC_FMT_DEC); 1045 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC; 1046 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); 1047 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", 1048 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); 1049} 1050