drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateful.c

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include <media/v4l2-event.h>
   4 #include <media/v4l2-mem2mem.h>
   5 #include <media/videobuf2-dma-contig.h>
   6
   7 #include "mtk_vcodec_dec.h"
   8 #include "mtk_vcodec_dec_pm.h"
   9 #include "vdec_drv_if.h"
  10
  11 static struct mtk_video_fmt mtk_video_formats[] = {
  12         {
  13                 .fourcc = V4L2_PIX_FMT_H264,
  14                 .type = MTK_FMT_DEC,
  15                 .num_planes = 1,
  16                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  17                 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  18                              MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  19         },
  20         {
  21                 .fourcc = V4L2_PIX_FMT_VP8,
  22                 .type = MTK_FMT_DEC,
  23                 .num_planes = 1,
  24                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  25                 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  26                              MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  27         },
  28         {
  29                 .fourcc = V4L2_PIX_FMT_VP9,
  30                 .type = MTK_FMT_DEC,
  31                 .num_planes = 1,
  32                 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
  33                 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
  34                              MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
  35         },
  36         {
  37                 .fourcc = V4L2_PIX_FMT_MT21C,
  38                 .type = MTK_FMT_FRAME,
  39                 .num_planes = 2,
  40         },
  41 };
  42
  43 static const unsigned int num_supported_formats =
  44         ARRAY_SIZE(mtk_video_formats);
  45
  46 #define DEFAULT_OUT_FMT_IDX 0
  47 #define DEFAULT_CAP_FMT_IDX 3
  48
  49 /*
  50  * This function tries to clean all display buffers, the buffers will return
  51  * in display order.
  52  * Note the buffers returned from codec driver may still be in driver's
  53  * reference list.
  54  */
  55 static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_dec_ctx *ctx)
  56 {
  57         struct vdec_fb *disp_frame_buffer = NULL;
  58         struct mtk_video_dec_buf *dstbuf;
  59         struct vb2_v4l2_buffer *vb;
  60
  61         mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
  62         if (vdec_if_get_param(ctx, GET_PARAM_DISP_FRAME_BUFFER,
  63                               &disp_frame_buffer)) {
  64                 mtk_v4l2_vdec_err(ctx, "[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER",
  65                                   ctx->id);
  66                 return NULL;
  67         }
  68
  69         if (!disp_frame_buffer) {
  70                 mtk_v4l2_vdec_dbg(3, ctx, "No display frame buffer");
  71                 return NULL;
  72         }
  73
  74         dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
  75                               frame_buffer);
  76         vb = &dstbuf->m2m_buf.vb;
  77         mutex_lock(&ctx->lock);
  78         if (dstbuf->used) {
  79                 mtk_v4l2_vdec_dbg(2, ctx, "[%d]status=%x queue id=%d to done_list %d",
  80                                   ctx->id, disp_frame_buffer->status,
  81                                   vb->vb2_buf.index, dstbuf->queued_in_vb2);
  82
  83                 v4l2_m2m_buf_done(vb, VB2_BUF_STATE_DONE);
  84                 ctx->decoded_frame_cnt++;
  85         }
  86         mutex_unlock(&ctx->lock);
  87         return &vb->vb2_buf;
  88 }
  89
  90 /*
  91  * This function tries to clean all capture buffers that are not used as
  92  * reference buffers by codec driver any more
  93  * In this case, we need re-queue buffer to vb2 buffer if user space
  94  * already returns this buffer to v4l2 or this buffer is just the output of
  95  * previous sps/pps/resolution change decode, or do nothing if user
  96  * space still owns this buffer
  97  */
  98 static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_dec_ctx *ctx)
  99 {
 100         struct mtk_video_dec_buf *dstbuf;
 101         struct vdec_fb *free_frame_buffer = NULL;
 102         struct vb2_v4l2_buffer *vb;
 103
 104         if (vdec_if_get_param(ctx, GET_PARAM_FREE_FRAME_BUFFER,
 105                               &free_frame_buffer)) {
 106                 mtk_v4l2_vdec_err(ctx, "[%d] Error!! Cannot get param", ctx->id);
 107                 return NULL;
 108         }
 109         if (!free_frame_buffer) {
 110                 mtk_v4l2_vdec_dbg(3, ctx, " No free frame buffer");
 111                 return NULL;
 112         }
 113
 114         mtk_v4l2_vdec_dbg(3, ctx, "[%d] tmp_frame_addr = 0x%p", ctx->id,
 115                           free_frame_buffer);
 116
 117         dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
 118                               frame_buffer);
 119         vb = &dstbuf->m2m_buf.vb;
 120
 121         mutex_lock(&ctx->lock);
 122         if (dstbuf->used) {
 123                 if (dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2 &&
 124                     free_frame_buffer->status == FB_ST_FREE) {
 125                         /*
 126                          * After decode sps/pps or non-display buffer, we don't
 127                          * need to return capture buffer to user space, but
 128                          * just re-queue this capture buffer to vb2 queue.
 129                          * This reduce overheads that dq/q unused capture
 130                          * buffer. In this case, queued_in_vb2 = true.
 131                          */
 132                         mtk_v4l2_vdec_dbg(2, ctx, "[%d]status=%x queue id=%d to rdy_queue %d",
 133                                           ctx->id, free_frame_buffer->status,
 134                                           vb->vb2_buf.index, dstbuf->queued_in_vb2);
 135                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
 136                 } else if (!dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2) {
 137                         /*
 138                          * If buffer in v4l2 driver but not in vb2 queue yet,
 139                          * and we get this buffer from free_list, it means
 140                          * that codec driver do not use this buffer as
 141                          * reference buffer anymore. We should q buffer to vb2
 142                          * queue, so later work thread could get this buffer
 143                          * for decode. In this case, queued_in_vb2 = false
 144                          * means this buffer is not from previous decode
 145                          * output.
 146                          */
 147                         mtk_v4l2_vdec_dbg(2, ctx,
 148                                           "[%d]status=%x queue id=%d to rdy_queue",
 149                                           ctx->id, free_frame_buffer->status,
 150                                           vb->vb2_buf.index);
 151                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
 152                         dstbuf->queued_in_vb2 = true;
 153                 } else {
 154                         /*
 155                          * Codec driver do not need to reference this capture
 156                          * buffer and this buffer is not in v4l2 driver.
 157                          * Then we don't need to do any thing, just add log when
 158                          * we need to debug buffer flow.
 159                          * When this buffer q from user space, it could
 160                          * directly q to vb2 buffer
 161                          */
 162                         mtk_v4l2_vdec_dbg(3, ctx, "[%d]status=%x err queue id=%d %d %d",
 163                                           ctx->id, free_frame_buffer->status,
 164                                           vb->vb2_buf.index, dstbuf->queued_in_vb2,
 165                                           dstbuf->queued_in_v4l2);
 166                 }
 167                 dstbuf->used = false;
 168         }
 169         mutex_unlock(&ctx->lock);
 170         return &vb->vb2_buf;
 171 }
 172
 173 static void clean_display_buffer(struct mtk_vcodec_dec_ctx *ctx)
 174 {
 175         while (get_display_buffer(ctx))
 176                 ;
 177 }
 178
 179 static void clean_free_buffer(struct mtk_vcodec_dec_ctx *ctx)
 180 {
 181         while (get_free_buffer(ctx))
 182                 ;
 183 }
 184
 185 static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_dec_ctx *ctx)
 186 {
 187         static const struct v4l2_event ev_src_ch = {
 188                 .type = V4L2_EVENT_SOURCE_CHANGE,
 189                 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 190         };
 191
 192         mtk_v4l2_vdec_dbg(1, ctx, "[%d]", ctx->id);
 193         v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
 194 }
 195
 196 static int mtk_vdec_flush_decoder(struct mtk_vcodec_dec_ctx *ctx)
 197 {
 198         bool res_chg;
 199         int ret;
 200
 201         ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
 202         if (ret)
 203                 mtk_v4l2_vdec_err(ctx, "DecodeFinal failed, ret=%d", ret);
 204
 205         clean_display_buffer(ctx);
 206         clean_free_buffer(ctx);
 207
 208         return 0;
 209 }
 210
 211 static void mtk_vdec_update_fmt(struct mtk_vcodec_dec_ctx *ctx,
 212                                 unsigned int pixelformat)
 213 {
 214         const struct mtk_video_fmt *fmt;
 215         struct mtk_q_data *dst_q_data;
 216         unsigned int k;
 217
 218         dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
 219         for (k = 0; k < num_supported_formats; k++) {
 220                 fmt = &mtk_video_formats[k];
 221                 if (fmt->fourcc == pixelformat) {
 222                         mtk_v4l2_vdec_dbg(1, ctx, "Update cap fourcc(%d -> %d)",
 223                                           dst_q_data->fmt->fourcc, pixelformat);
 224                         dst_q_data->fmt = fmt;
 225                         return;
 226                 }
 227         }
 228
 229         mtk_v4l2_vdec_err(ctx, "Cannot get fourcc(%d), using init value", pixelformat);
 230 }
 231
 232 static int mtk_vdec_pic_info_update(struct mtk_vcodec_dec_ctx *ctx)
 233 {
 234         unsigned int dpbsize = 0;
 235         int ret;
 236
 237         if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO,
 238                               &ctx->last_decoded_picinfo)) {
 239                 mtk_v4l2_vdec_err(ctx, "[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
 240                                   ctx->id);
 241                 return -EINVAL;
 242         }
 243
 244         if (ctx->last_decoded_picinfo.pic_w == 0 ||
 245             ctx->last_decoded_picinfo.pic_h == 0 ||
 246             ctx->last_decoded_picinfo.buf_w == 0 ||
 247             ctx->last_decoded_picinfo.buf_h == 0) {
 248                 mtk_v4l2_vdec_err(ctx, "Cannot get correct pic info");
 249                 return -EINVAL;
 250         }
 251
 252         if (ctx->last_decoded_picinfo.cap_fourcc != ctx->picinfo.cap_fourcc &&
 253             ctx->picinfo.cap_fourcc != 0)
 254                 mtk_vdec_update_fmt(ctx, ctx->picinfo.cap_fourcc);
 255
 256         if (ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w ||
 257             ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h)
 258                 return 0;
 259
 260         mtk_v4l2_vdec_dbg(1, ctx, "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)", ctx->id,
 261                           ctx->last_decoded_picinfo.pic_w,
 262                           ctx->last_decoded_picinfo.pic_h, ctx->picinfo.pic_w,
 263                           ctx->picinfo.pic_h, ctx->last_decoded_picinfo.buf_w,
 264                           ctx->last_decoded_picinfo.buf_h);
 265
 266         ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
 267         if (dpbsize == 0)
 268                 mtk_v4l2_vdec_err(ctx, "Incorrect dpb size, ret=%d", ret);
 269
 270         ctx->dpb_size = dpbsize;
 271
 272         return ret;
 273 }
 274
 275 static void mtk_vdec_worker(struct work_struct *work)
 276 {
 277         struct mtk_vcodec_dec_ctx *ctx =
 278                 container_of(work, struct mtk_vcodec_dec_ctx, decode_work);
 279         struct mtk_vcodec_dec_dev *dev = ctx->dev;
 280         struct vb2_v4l2_buffer *src_buf, *dst_buf;
 281         struct mtk_vcodec_mem buf;
 282         struct vdec_fb *pfb;
 283         bool res_chg = false;
 284         int ret;
 285         struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
 286
 287         src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 288         if (!src_buf) {
 289                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 290                 mtk_v4l2_vdec_dbg(1, ctx, "[%d] src_buf empty!!", ctx->id);
 291                 return;
 292         }
 293
 294         dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
 295         if (!dst_buf) {
 296                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 297                 mtk_v4l2_vdec_dbg(1, ctx, "[%d] dst_buf empty!!", ctx->id);
 298                 return;
 299         }
 300
 301         dst_buf_info =
 302                 container_of(dst_buf, struct mtk_video_dec_buf, m2m_buf.vb);
 303
 304         pfb = &dst_buf_info->frame_buffer;
 305         pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
 306         pfb->base_y.dma_addr =
 307                 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 308         pfb->base_y.size = ctx->picinfo.fb_sz[0];
 309
 310         pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
 311         pfb->base_c.dma_addr =
 312                 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
 313         pfb->base_c.size = ctx->picinfo.fb_sz[1];
 314         pfb->status = 0;
 315         mtk_v4l2_vdec_dbg(3, ctx, "===>[%d] vdec_if_decode() ===>", ctx->id);
 316
 317         mtk_v4l2_vdec_dbg(3, ctx,
 318                           "id=%d Framebuf  pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
 319                           dst_buf->vb2_buf.index, pfb, pfb->base_y.va,
 320                           &pfb->base_y.dma_addr, &pfb->base_c.dma_addr, pfb->base_y.size);
 321
 322         if (src_buf == &ctx->empty_flush_buf.vb) {
 323                 mtk_v4l2_vdec_dbg(1, ctx, "Got empty flush input buffer.");
 324                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 325
 326                 /* update dst buf status */
 327                 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 328                 mutex_lock(&ctx->lock);
 329                 dst_buf_info->used = false;
 330                 mutex_unlock(&ctx->lock);
 331
 332                 vdec_if_decode(ctx, NULL, NULL, &res_chg);
 333                 clean_display_buffer(ctx);
 334                 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
 335                 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
 336                         vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
 337                 dst_buf->flags |= V4L2_BUF_FLAG_LAST;
 338                 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
 339                 clean_free_buffer(ctx);
 340                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 341                 return;
 342         }
 343
 344         src_buf_info =
 345                 container_of(src_buf, struct mtk_video_dec_buf, m2m_buf.vb);
 346
 347         buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 348         buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 349         buf.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 350         if (!buf.va) {
 351                 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 352                 mtk_v4l2_vdec_err(ctx, "[%d] id=%d src_addr is NULL!!", ctx->id,
 353                                   src_buf->vb2_buf.index);
 354                 return;
 355         }
 356         mtk_v4l2_vdec_dbg(3, ctx, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
 357                           ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
 358         dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
 359         dst_buf->timecode = src_buf->timecode;
 360         mutex_lock(&ctx->lock);
 361         dst_buf_info->used = true;
 362         mutex_unlock(&ctx->lock);
 363         src_buf_info->used = true;
 364
 365         ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
 366
 367         if (ret) {
 368                 mtk_v4l2_vdec_err(ctx,
 369                                   "[%d] decode src[%d] sz=0x%zx pts=%llu dst[%d] ret=%d res_chg=%d",
 370                                   ctx->id, src_buf->vb2_buf.index, buf.size,
 371                                   src_buf->vb2_buf.timestamp, dst_buf->vb2_buf.index, ret, res_chg);
 372                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 373                 if (ret == -EIO) {
 374                         mutex_lock(&ctx->lock);
 375                         src_buf_info->error = true;
 376                         mutex_unlock(&ctx->lock);
 377                 }
 378                 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
 379         } else if (!res_chg) {
 380                 /*
 381                  * we only return src buffer with VB2_BUF_STATE_DONE
 382                  * when decode success without resolution change
 383                  */
 384                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 385                 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
 386         }
 387
 388         dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 389         clean_display_buffer(ctx);
 390         clean_free_buffer(ctx);
 391
 392         if (!ret && res_chg) {
 393                 mtk_vdec_pic_info_update(ctx);
 394                 /*
 395                  * On encountering a resolution change in the stream.
 396                  * The driver must first process and decode all
 397                  * remaining buffers from before the resolution change
 398                  * point, so call flush decode here
 399                  */
 400                 mtk_vdec_flush_decoder(ctx);
 401                 /*
 402                  * After all buffers containing decoded frames from
 403                  * before the resolution change point ready to be
 404                  * dequeued on the CAPTURE queue, the driver sends a
 405                  * V4L2_EVENT_SOURCE_CHANGE event for source change
 406                  * type V4L2_EVENT_SRC_CH_RESOLUTION
 407                  */
 408                 mtk_vdec_queue_res_chg_event(ctx);
 409         }
 410         v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
 411 }
 412
 413 static void vb2ops_vdec_stateful_buf_queue(struct vb2_buffer *vb)
 414 {
 415         struct vb2_v4l2_buffer *src_buf;
 416         struct mtk_vcodec_mem src_mem;
 417         bool res_chg = false;
 418         int ret;
 419         unsigned int dpbsize = 1, i;
 420         struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
 421         struct vb2_v4l2_buffer *vb2_v4l2;
 422         struct mtk_q_data *dst_q_data;
 423
 424         mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) id=%d, vb=%p", ctx->id,
 425                           vb->vb2_queue->type, vb->index, vb);
 426         /*
 427          * check if this buffer is ready to be used after decode
 428          */
 429         if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 430                 struct mtk_video_dec_buf *buf;
 431
 432                 vb2_v4l2 = to_vb2_v4l2_buffer(vb);
 433                 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf,
 434                                    m2m_buf.vb);
 435                 mutex_lock(&ctx->lock);
 436                 if (!buf->used) {
 437                         v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
 438                         buf->queued_in_vb2 = true;
 439                         buf->queued_in_v4l2 = true;
 440                 } else {
 441                         buf->queued_in_vb2 = false;
 442                         buf->queued_in_v4l2 = true;
 443                 }
 444                 mutex_unlock(&ctx->lock);
 445                 return;
 446         }
 447
 448         v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
 449
 450         if (ctx->state != MTK_STATE_INIT) {
 451                 mtk_v4l2_vdec_dbg(3, ctx, "[%d] already init driver %d", ctx->id, ctx->state);
 452                 return;
 453         }
 454
 455         src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
 456         if (!src_buf) {
 457                 mtk_v4l2_vdec_err(ctx, "No src buffer");
 458                 return;
 459         }
 460
 461         if (src_buf == &ctx->empty_flush_buf.vb) {
 462                 /* This shouldn't happen. Just in case. */
 463                 mtk_v4l2_vdec_err(ctx, "Invalid flush buffer.");
 464                 v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 465                 return;
 466         }
 467
 468         src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
 469         src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 470         src_mem.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
 471         mtk_v4l2_vdec_dbg(2, ctx, "[%d] buf id=%d va=%p dma=%pad size=%zx", ctx->id,
 472                           src_buf->vb2_buf.index, src_mem.va, &src_mem.dma_addr, src_mem.size);
 473
 474         ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
 475         if (ret || !res_chg) {
 476                 /*
 477                  * fb == NULL means to parse SPS/PPS header or
 478                  * resolution info in src_mem. Decode can fail
 479                  * if there is no SPS header or picture info
 480                  * in bs
 481                  */
 482
 483                 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
 484                 if (ret == -EIO) {
 485                         mtk_v4l2_vdec_err(ctx, "[%d] Unrecoverable error in vdec_if_decode.",
 486                                           ctx->id);
 487                         ctx->state = MTK_STATE_ABORT;
 488                         v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
 489                 } else {
 490                         v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
 491                 }
 492                 mtk_v4l2_vdec_dbg(ret ? 0 : 1, ctx,
 493                                   "[%d] decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
 494                                   ctx->id, src_buf->vb2_buf.index, src_mem.size, ret, res_chg);
 495                 return;
 496         }
 497
 498         if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
 499                 mtk_v4l2_vdec_err(ctx, "[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
 500                                   ctx->id);
 501                 return;
 502         }
 503
 504         ctx->last_decoded_picinfo = ctx->picinfo;
 505         dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
 506         for (i = 0; i < dst_q_data->fmt->num_planes; i++) {
 507                 dst_q_data->sizeimage[i] = ctx->picinfo.fb_sz[i];
 508                 dst_q_data->bytesperline[i] = ctx->picinfo.buf_w;
 509         }
 510
 511         mtk_v4l2_vdec_dbg(2, ctx, "[%d] init OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
 512                           ctx->id, ctx->picinfo.buf_w, ctx->picinfo.buf_h, ctx->picinfo.pic_w,
 513                           ctx->picinfo.pic_h, dst_q_data->sizeimage[0], dst_q_data->sizeimage[1]);
 514
 515         ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
 516         if (dpbsize == 0)
 517                 mtk_v4l2_vdec_err(ctx, "[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
 518
 519         ctx->dpb_size = dpbsize;
 520         ctx->state = MTK_STATE_HEADER;
 521         mtk_v4l2_vdec_dbg(1, ctx, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
 522
 523         mtk_vdec_queue_res_chg_event(ctx);
 524 }
 525
 526 static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
 527 {
 528         struct mtk_vcodec_dec_ctx *ctx = ctrl_to_dec_ctx(ctrl);
 529         int ret = 0;
 530
 531         switch (ctrl->id) {
 532         case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
 533                 if (ctx->state >= MTK_STATE_HEADER) {
 534                         ctrl->val = ctx->dpb_size;
 535                 } else {
 536                         mtk_v4l2_vdec_dbg(0, ctx, "Seqinfo not ready");
 537                         ctrl->val = 0;
 538                 }
 539                 break;
 540         default:
 541                 ret = -EINVAL;
 542         }
 543         return ret;
 544 }
 545
 546 static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
 547         .g_volatile_ctrl = mtk_vdec_g_v_ctrl,
 548 };
 549
 550 static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_dec_ctx *ctx)
 551 {
 552         struct v4l2_ctrl *ctrl;
 553
 554         v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
 555
 556         ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 557                                  V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 0, 32, 1, 1);
 558         ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
 559         v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 560                                V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
 561                                V4L2_MPEG_VIDEO_VP9_PROFILE_0, 0,
 562                                V4L2_MPEG_VIDEO_VP9_PROFILE_0);
 563         /*
 564          * H264. Baseline / Extended decoding is not supported.
 565          */
 566         v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
 567                                V4L2_CID_MPEG_VIDEO_H264_PROFILE, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
 568                                BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
 569                                BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
 570                                V4L2_MPEG_VIDEO_H264_PROFILE_MAIN);
 571
 572         if (ctx->ctrl_hdl.error) {
 573                 mtk_v4l2_vdec_err(ctx, "Adding control failed %d", ctx->ctrl_hdl.error);
 574                 return ctx->ctrl_hdl.error;
 575         }
 576
 577         v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
 578         return 0;
 579 }
 580
 581 static void mtk_init_vdec_params(struct mtk_vcodec_dec_ctx *ctx)
 582 {
 583         unsigned int i;
 584
 585         if (!(ctx->dev->dec_capability & VCODEC_CAPABILITY_4K_DISABLED)) {
 586                 for (i = 0; i < num_supported_formats; i++) {
 587                         if (mtk_video_formats[i].type != MTK_FMT_DEC)
 588                                 continue;
 589
 590                         mtk_video_formats[i].frmsize.max_width =
 591                                 VCODEC_DEC_4K_CODED_WIDTH;
 592                         mtk_video_formats[i].frmsize.max_height =
 593                                 VCODEC_DEC_4K_CODED_HEIGHT;
 594                 }
 595         }
 596 }
 597
 598 static struct vb2_ops mtk_vdec_frame_vb2_ops = {
 599         .queue_setup = vb2ops_vdec_queue_setup,
 600         .buf_prepare = vb2ops_vdec_buf_prepare,
 601         .wait_prepare = vb2_ops_wait_prepare,
 602         .wait_finish = vb2_ops_wait_finish,
 603         .start_streaming = vb2ops_vdec_start_streaming,
 604
 605         .buf_queue = vb2ops_vdec_stateful_buf_queue,
 606         .buf_init = vb2ops_vdec_buf_init,
 607         .buf_finish = vb2ops_vdec_buf_finish,
 608         .stop_streaming = vb2ops_vdec_stop_streaming,
 609 };
 610
 611 const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata = {
 612         .init_vdec_params = mtk_init_vdec_params,
 613         .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
 614         .vdec_vb2_ops = &mtk_vdec_frame_vb2_ops,
 615         .vdec_formats = mtk_video_formats,
 616         .num_formats = &num_supported_formats,
 617         .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
 618         .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
 619         .worker = mtk_vdec_worker,
 620         .flush_decoder = mtk_vdec_flush_decoder,
 621         .is_subdev_supported = false,
 622         .hw_arch = MTK_VDEC_PURE_SINGLE_CORE,
 623 };