drivers/staging/media/rkvdec/rkvdec-vp9.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Rockchip Video Decoder VP9 backend
   4  *
   5  * Copyright (C) 2019 Collabora, Ltd.
   6  *      Boris Brezillon <boris.brezillon@collabora.com>
   7  * Copyright (C) 2021 Collabora, Ltd.
   8  *      Andrzej Pietrasiewicz <andrzej.p@collabora.com>
   9  *
  10  * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
  11  *      Alpha Lin <Alpha.Lin@rock-chips.com>
  12  */
  13
  14 /*
  15  * For following the vp9 spec please start reading this driver
  16  * code from rkvdec_vp9_run() followed by rkvdec_vp9_done().
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/vmalloc.h>
  21 #include <media/v4l2-mem2mem.h>
  22 #include <media/v4l2-vp9.h>
  23
  24 #include "rkvdec.h"
  25 #include "rkvdec-regs.h"
  26
  27 #define RKVDEC_VP9_PROBE_SIZE           4864
  28 #define RKVDEC_VP9_COUNT_SIZE           13232
  29 #define RKVDEC_VP9_MAX_SEGMAP_SIZE      73728
  30
  31 struct rkvdec_vp9_intra_mode_probs {
  32         u8 y_mode[105];
  33         u8 uv_mode[23];
  34 };
  35
  36 struct rkvdec_vp9_intra_only_frame_probs {
  37         u8 coef_intra[4][2][128];
  38         struct rkvdec_vp9_intra_mode_probs intra_mode[10];
  39 };
  40
  41 struct rkvdec_vp9_inter_frame_probs {
  42         u8 y_mode[4][9];
  43         u8 comp_mode[5];
  44         u8 comp_ref[5];
  45         u8 single_ref[5][2];
  46         u8 inter_mode[7][3];
  47         u8 interp_filter[4][2];
  48         u8 padding0[11];
  49         u8 coef[2][4][2][128];
  50         u8 uv_mode_0_2[3][9];
  51         u8 padding1[5];
  52         u8 uv_mode_3_5[3][9];
  53         u8 padding2[5];
  54         u8 uv_mode_6_8[3][9];
  55         u8 padding3[5];
  56         u8 uv_mode_9[9];
  57         u8 padding4[7];
  58         u8 padding5[16];
  59         struct {
  60                 u8 joint[3];
  61                 u8 sign[2];
  62                 u8 classes[2][10];
  63                 u8 class0_bit[2];
  64                 u8 bits[2][10];
  65                 u8 class0_fr[2][2][3];
  66                 u8 fr[2][3];
  67                 u8 class0_hp[2];
  68                 u8 hp[2];
  69         } mv;
  70 };
  71
  72 struct rkvdec_vp9_probs {
  73         u8 partition[16][3];
  74         u8 pred[3];
  75         u8 tree[7];
  76         u8 skip[3];
  77         u8 tx32[2][3];
  78         u8 tx16[2][2];
  79         u8 tx8[2][1];
  80         u8 is_inter[4];
  81         /* 128 bit alignment */
  82         u8 padding0[3];
  83         union {
  84                 struct rkvdec_vp9_inter_frame_probs inter;
  85                 struct rkvdec_vp9_intra_only_frame_probs intra_only;
  86         };
  87         /* 128 bit alignment */
  88         u8 padding1[11];
  89 };
  90
  91 /* Data structure describing auxiliary buffer format. */
  92 struct rkvdec_vp9_priv_tbl {
  93         struct rkvdec_vp9_probs probs;
  94         u8 segmap[2][RKVDEC_VP9_MAX_SEGMAP_SIZE];
  95 };
  96
  97 struct rkvdec_vp9_refs_counts {
  98         u32 eob[2];
  99         u32 coeff[3];
 100 };
 101
 102 struct rkvdec_vp9_inter_frame_symbol_counts {
 103         u32 partition[16][4];
 104         u32 skip[3][2];
 105         u32 inter[4][2];
 106         u32 tx32p[2][4];
 107         u32 tx16p[2][4];
 108         u32 tx8p[2][2];
 109         u32 y_mode[4][10];
 110         u32 uv_mode[10][10];
 111         u32 comp[5][2];
 112         u32 comp_ref[5][2];
 113         u32 single_ref[5][2][2];
 114         u32 mv_mode[7][4];
 115         u32 filter[4][3];
 116         u32 mv_joint[4];
 117         u32 sign[2][2];
 118         /* add 1 element for align */
 119         u32 classes[2][11 + 1];
 120         u32 class0[2][2];
 121         u32 bits[2][10][2];
 122         u32 class0_fp[2][2][4];
 123         u32 fp[2][4];
 124         u32 class0_hp[2][2];
 125         u32 hp[2][2];
 126         struct rkvdec_vp9_refs_counts ref_cnt[2][4][2][6][6];
 127 };
 128
 129 struct rkvdec_vp9_intra_frame_symbol_counts {
 130         u32 partition[4][4][4];
 131         u32 skip[3][2];
 132         u32 intra[4][2];
 133         u32 tx32p[2][4];
 134         u32 tx16p[2][4];
 135         u32 tx8p[2][2];
 136         struct rkvdec_vp9_refs_counts ref_cnt[2][4][2][6][6];
 137 };
 138
 139 struct rkvdec_vp9_run {
 140         struct rkvdec_run base;
 141         const struct v4l2_ctrl_vp9_frame *decode_params;
 142 };
 143
 144 struct rkvdec_vp9_frame_info {
 145         u32 valid : 1;
 146         u32 segmapid : 1;
 147         u32 frame_context_idx : 2;
 148         u32 reference_mode : 2;
 149         u32 tx_mode : 3;
 150         u32 interpolation_filter : 3;
 151         u32 flags;
 152         u64 timestamp;
 153         struct v4l2_vp9_segmentation seg;
 154         struct v4l2_vp9_loop_filter lf;
 155 };
 156
 157 struct rkvdec_vp9_ctx {
 158         struct rkvdec_aux_buf priv_tbl;
 159         struct rkvdec_aux_buf count_tbl;
 160         struct v4l2_vp9_frame_symbol_counts inter_cnts;
 161         struct v4l2_vp9_frame_symbol_counts intra_cnts;
 162         struct v4l2_vp9_frame_context probability_tables;
 163         struct v4l2_vp9_frame_context frame_context[4];
 164         struct rkvdec_vp9_frame_info cur;
 165         struct rkvdec_vp9_frame_info last;
 166 };
 167
 168 static void write_coeff_plane(const u8 coef[6][6][3], u8 *coeff_plane)
 169 {
 170         unsigned int idx = 0, byte_count = 0;
 171         int k, m, n;
 172         u8 p;
 173
 174         for (k = 0; k < 6; k++) {
 175                 for (m = 0; m < 6; m++) {
 176                         for (n = 0; n < 3; n++) {
 177                                 p = coef[k][m][n];
 178                                 coeff_plane[idx++] = p;
 179                                 byte_count++;
 180                                 if (byte_count == 27) {
 181                                         idx += 5;
 182                                         byte_count = 0;
 183                                 }
 184                         }
 185                 }
 186         }
 187 }
 188
 189 static void init_intra_only_probs(struct rkvdec_ctx *ctx,
 190                                   const struct rkvdec_vp9_run *run)
 191 {
 192         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 193         struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
 194         struct rkvdec_vp9_intra_only_frame_probs *rkprobs;
 195         const struct v4l2_vp9_frame_context *probs;
 196         unsigned int i, j, k;
 197
 198         rkprobs = &tbl->probs.intra_only;
 199         probs = &vp9_ctx->probability_tables;
 200
 201         /*
 202          * intra only 149 x 128 bits ,aligned to 152 x 128 bits coeff related
 203          * prob 64 x 128 bits
 204          */
 205         for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
 206                 for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++)
 207                         write_coeff_plane(probs->coef[i][j][0],
 208                                           rkprobs->coef_intra[i][j]);
 209         }
 210
 211         /* intra mode prob  80 x 128 bits */
 212         for (i = 0; i < ARRAY_SIZE(v4l2_vp9_kf_y_mode_prob); i++) {
 213                 unsigned int byte_count = 0;
 214                 int idx = 0;
 215
 216                 /* vp9_kf_y_mode_prob */
 217                 for (j = 0; j < ARRAY_SIZE(v4l2_vp9_kf_y_mode_prob[0]); j++) {
 218                         for (k = 0; k < ARRAY_SIZE(v4l2_vp9_kf_y_mode_prob[0][0]);
 219                              k++) {
 220                                 u8 val = v4l2_vp9_kf_y_mode_prob[i][j][k];
 221
 222                                 rkprobs->intra_mode[i].y_mode[idx++] = val;
 223                                 byte_count++;
 224                                 if (byte_count == 27) {
 225                                         byte_count = 0;
 226                                         idx += 5;
 227                                 }
 228                         }
 229                 }
 230         }
 231
 232         for (i = 0; i < sizeof(v4l2_vp9_kf_uv_mode_prob); ++i) {
 233                 const u8 *ptr = (const u8 *)v4l2_vp9_kf_uv_mode_prob;
 234
 235                 rkprobs->intra_mode[i / 23].uv_mode[i % 23] = ptr[i];
 236         }
 237 }
 238
 239 static void init_inter_probs(struct rkvdec_ctx *ctx,
 240                              const struct rkvdec_vp9_run *run)
 241 {
 242         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 243         struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
 244         struct rkvdec_vp9_inter_frame_probs *rkprobs;
 245         const struct v4l2_vp9_frame_context *probs;
 246         unsigned int i, j, k;
 247
 248         rkprobs = &tbl->probs.inter;
 249         probs = &vp9_ctx->probability_tables;
 250
 251         /*
 252          * inter probs
 253          * 151 x 128 bits, aligned to 152 x 128 bits
 254          * inter only
 255          * intra_y_mode & inter_block info 6 x 128 bits
 256          */
 257
 258         memcpy(rkprobs->y_mode, probs->y_mode, sizeof(rkprobs->y_mode));
 259         memcpy(rkprobs->comp_mode, probs->comp_mode,
 260                sizeof(rkprobs->comp_mode));
 261         memcpy(rkprobs->comp_ref, probs->comp_ref,
 262                sizeof(rkprobs->comp_ref));
 263         memcpy(rkprobs->single_ref, probs->single_ref,
 264                sizeof(rkprobs->single_ref));
 265         memcpy(rkprobs->inter_mode, probs->inter_mode,
 266                sizeof(rkprobs->inter_mode));
 267         memcpy(rkprobs->interp_filter, probs->interp_filter,
 268                sizeof(rkprobs->interp_filter));
 269
 270         /* 128 x 128 bits coeff related */
 271         for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
 272                 for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++) {
 273                         for (k = 0; k < ARRAY_SIZE(probs->coef[0][0]); k++)
 274                                 write_coeff_plane(probs->coef[i][j][k],
 275                                                   rkprobs->coef[k][i][j]);
 276                 }
 277         }
 278
 279         /* intra uv mode 6 x 128 */
 280         memcpy(rkprobs->uv_mode_0_2, &probs->uv_mode[0],
 281                sizeof(rkprobs->uv_mode_0_2));
 282         memcpy(rkprobs->uv_mode_3_5, &probs->uv_mode[3],
 283                sizeof(rkprobs->uv_mode_3_5));
 284         memcpy(rkprobs->uv_mode_6_8, &probs->uv_mode[6],
 285                sizeof(rkprobs->uv_mode_6_8));
 286         memcpy(rkprobs->uv_mode_9, &probs->uv_mode[9],
 287                sizeof(rkprobs->uv_mode_9));
 288
 289         /* mv related 6 x 128 */
 290         memcpy(rkprobs->mv.joint, probs->mv.joint,
 291                sizeof(rkprobs->mv.joint));
 292         memcpy(rkprobs->mv.sign, probs->mv.sign,
 293                sizeof(rkprobs->mv.sign));
 294         memcpy(rkprobs->mv.classes, probs->mv.classes,
 295                sizeof(rkprobs->mv.classes));
 296         memcpy(rkprobs->mv.class0_bit, probs->mv.class0_bit,
 297                sizeof(rkprobs->mv.class0_bit));
 298         memcpy(rkprobs->mv.bits, probs->mv.bits,
 299                sizeof(rkprobs->mv.bits));
 300         memcpy(rkprobs->mv.class0_fr, probs->mv.class0_fr,
 301                sizeof(rkprobs->mv.class0_fr));
 302         memcpy(rkprobs->mv.fr, probs->mv.fr,
 303                sizeof(rkprobs->mv.fr));
 304         memcpy(rkprobs->mv.class0_hp, probs->mv.class0_hp,
 305                sizeof(rkprobs->mv.class0_hp));
 306         memcpy(rkprobs->mv.hp, probs->mv.hp,
 307                sizeof(rkprobs->mv.hp));
 308 }
 309
 310 static void init_probs(struct rkvdec_ctx *ctx,
 311                        const struct rkvdec_vp9_run *run)
 312 {
 313         const struct v4l2_ctrl_vp9_frame *dec_params;
 314         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 315         struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
 316         struct rkvdec_vp9_probs *rkprobs = &tbl->probs;
 317         const struct v4l2_vp9_segmentation *seg;
 318         const struct v4l2_vp9_frame_context *probs;
 319         bool intra_only;
 320
 321         dec_params = run->decode_params;
 322         probs = &vp9_ctx->probability_tables;
 323         seg = &dec_params->seg;
 324
 325         memset(rkprobs, 0, sizeof(*rkprobs));
 326
 327         intra_only = !!(dec_params->flags &
 328                         (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
 329                          V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
 330
 331         /* sb info  5 x 128 bit */
 332         memcpy(rkprobs->partition,
 333                intra_only ? v4l2_vp9_kf_partition_probs : probs->partition,
 334                sizeof(rkprobs->partition));
 335
 336         memcpy(rkprobs->pred, seg->pred_probs, sizeof(rkprobs->pred));
 337         memcpy(rkprobs->tree, seg->tree_probs, sizeof(rkprobs->tree));
 338         memcpy(rkprobs->skip, probs->skip, sizeof(rkprobs->skip));
 339         memcpy(rkprobs->tx32, probs->tx32, sizeof(rkprobs->tx32));
 340         memcpy(rkprobs->tx16, probs->tx16, sizeof(rkprobs->tx16));
 341         memcpy(rkprobs->tx8, probs->tx8, sizeof(rkprobs->tx8));
 342         memcpy(rkprobs->is_inter, probs->is_inter, sizeof(rkprobs->is_inter));
 343
 344         if (intra_only)
 345                 init_intra_only_probs(ctx, run);
 346         else
 347                 init_inter_probs(ctx, run);
 348 }
 349
 350 struct rkvdec_vp9_ref_reg {
 351         u32 reg_frm_size;
 352         u32 reg_hor_stride;
 353         u32 reg_y_stride;
 354         u32 reg_yuv_stride;
 355         u32 reg_ref_base;
 356 };
 357
 358 static struct rkvdec_vp9_ref_reg ref_regs[] = {
 359         {
 360                 .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(0),
 361                 .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(0),
 362                 .reg_y_stride = RKVDEC_VP9_LAST_FRAME_YSTRIDE,
 363                 .reg_yuv_stride = RKVDEC_VP9_LAST_FRAME_YUVSTRIDE,
 364                 .reg_ref_base = RKVDEC_REG_VP9_LAST_FRAME_BASE,
 365         },
 366         {
 367                 .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(1),
 368                 .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(1),
 369                 .reg_y_stride = RKVDEC_VP9_GOLDEN_FRAME_YSTRIDE,
 370                 .reg_yuv_stride = 0,
 371                 .reg_ref_base = RKVDEC_REG_VP9_GOLDEN_FRAME_BASE,
 372         },
 373         {
 374                 .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(2),
 375                 .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(2),
 376                 .reg_y_stride = RKVDEC_VP9_ALTREF_FRAME_YSTRIDE,
 377                 .reg_yuv_stride = 0,
 378                 .reg_ref_base = RKVDEC_REG_VP9_ALTREF_FRAME_BASE,
 379         }
 380 };
 381
 382 static struct rkvdec_decoded_buffer *
 383 get_ref_buf(struct rkvdec_ctx *ctx, struct vb2_v4l2_buffer *dst, u64 timestamp)
 384 {
 385         struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
 386         struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
 387         struct vb2_buffer *buf;
 388
 389         /*
 390          * If a ref is unused or invalid, address of current destination
 391          * buffer is returned.
 392          */
 393         buf = vb2_find_buffer(cap_q, timestamp);
 394         if (!buf)
 395                 buf = &dst->vb2_buf;
 396
 397         return vb2_to_rkvdec_decoded_buf(buf);
 398 }
 399
 400 static dma_addr_t get_mv_base_addr(struct rkvdec_decoded_buffer *buf)
 401 {
 402         unsigned int aligned_pitch, aligned_height, yuv_len;
 403
 404         aligned_height = round_up(buf->vp9.height, 64);
 405         aligned_pitch = round_up(buf->vp9.width * buf->vp9.bit_depth, 512) / 8;
 406         yuv_len = (aligned_height * aligned_pitch * 3) / 2;
 407
 408         return vb2_dma_contig_plane_dma_addr(&buf->base.vb.vb2_buf, 0) +
 409                yuv_len;
 410 }
 411
 412 static void config_ref_registers(struct rkvdec_ctx *ctx,
 413                                  const struct rkvdec_vp9_run *run,
 414                                  struct rkvdec_decoded_buffer *ref_buf,
 415                                  struct rkvdec_vp9_ref_reg *ref_reg)
 416 {
 417         unsigned int aligned_pitch, aligned_height, y_len, yuv_len;
 418         struct rkvdec_dev *rkvdec = ctx->dev;
 419
 420         aligned_height = round_up(ref_buf->vp9.height, 64);
 421         writel_relaxed(RKVDEC_VP9_FRAMEWIDTH(ref_buf->vp9.width) |
 422                        RKVDEC_VP9_FRAMEHEIGHT(ref_buf->vp9.height),
 423                        rkvdec->regs + ref_reg->reg_frm_size);
 424
 425         writel_relaxed(vb2_dma_contig_plane_dma_addr(&ref_buf->base.vb.vb2_buf, 0),
 426                        rkvdec->regs + ref_reg->reg_ref_base);
 427
 428         if (&ref_buf->base.vb == run->base.bufs.dst)
 429                 return;
 430
 431         aligned_pitch = round_up(ref_buf->vp9.width * ref_buf->vp9.bit_depth, 512) / 8;
 432         y_len = aligned_height * aligned_pitch;
 433         yuv_len = (y_len * 3) / 2;
 434
 435         writel_relaxed(RKVDEC_HOR_Y_VIRSTRIDE(aligned_pitch / 16) |
 436                        RKVDEC_HOR_UV_VIRSTRIDE(aligned_pitch / 16),
 437                        rkvdec->regs + ref_reg->reg_hor_stride);
 438         writel_relaxed(RKVDEC_VP9_REF_YSTRIDE(y_len / 16),
 439                        rkvdec->regs + ref_reg->reg_y_stride);
 440
 441         if (!ref_reg->reg_yuv_stride)
 442                 return;
 443
 444         writel_relaxed(RKVDEC_VP9_REF_YUVSTRIDE(yuv_len / 16),
 445                        rkvdec->regs + ref_reg->reg_yuv_stride);
 446 }
 447
 448 static void config_seg_registers(struct rkvdec_ctx *ctx, unsigned int segid)
 449 {
 450         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 451         const struct v4l2_vp9_segmentation *seg;
 452         struct rkvdec_dev *rkvdec = ctx->dev;
 453         s16 feature_val;
 454         int feature_id;
 455         u32 val = 0;
 456
 457         seg = vp9_ctx->last.valid ? &vp9_ctx->last.seg : &vp9_ctx->cur.seg;
 458         feature_id = V4L2_VP9_SEG_LVL_ALT_Q;
 459         if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid)) {
 460                 feature_val = seg->feature_data[segid][feature_id];
 461                 val |= RKVDEC_SEGID_FRAME_QP_DELTA_EN(1) |
 462                        RKVDEC_SEGID_FRAME_QP_DELTA(feature_val);
 463         }
 464
 465         feature_id = V4L2_VP9_SEG_LVL_ALT_L;
 466         if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid)) {
 467                 feature_val = seg->feature_data[segid][feature_id];
 468                 val |= RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE_EN(1) |
 469                        RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE(feature_val);
 470         }
 471
 472         feature_id = V4L2_VP9_SEG_LVL_REF_FRAME;
 473         if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid)) {
 474                 feature_val = seg->feature_data[segid][feature_id];
 475                 val |= RKVDEC_SEGID_REFERINFO_EN(1) |
 476                        RKVDEC_SEGID_REFERINFO(feature_val);
 477         }
 478
 479         feature_id = V4L2_VP9_SEG_LVL_SKIP;
 480         if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid))
 481                 val |= RKVDEC_SEGID_FRAME_SKIP_EN(1);
 482
 483         if (!segid &&
 484             (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE))
 485                 val |= RKVDEC_SEGID_ABS_DELTA(1);
 486
 487         writel_relaxed(val, rkvdec->regs + RKVDEC_VP9_SEGID_GRP(segid));
 488 }
 489
 490 static void update_dec_buf_info(struct rkvdec_decoded_buffer *buf,
 491                                 const struct v4l2_ctrl_vp9_frame *dec_params)
 492 {
 493         buf->vp9.width = dec_params->frame_width_minus_1 + 1;
 494         buf->vp9.height = dec_params->frame_height_minus_1 + 1;
 495         buf->vp9.bit_depth = dec_params->bit_depth;
 496 }
 497
 498 static void update_ctx_cur_info(struct rkvdec_vp9_ctx *vp9_ctx,
 499                                 struct rkvdec_decoded_buffer *buf,
 500                                 const struct v4l2_ctrl_vp9_frame *dec_params)
 501 {
 502         vp9_ctx->cur.valid = true;
 503         vp9_ctx->cur.reference_mode = dec_params->reference_mode;
 504         vp9_ctx->cur.interpolation_filter = dec_params->interpolation_filter;
 505         vp9_ctx->cur.flags = dec_params->flags;
 506         vp9_ctx->cur.timestamp = buf->base.vb.vb2_buf.timestamp;
 507         vp9_ctx->cur.seg = dec_params->seg;
 508         vp9_ctx->cur.lf = dec_params->lf;
 509 }
 510
 511 static void update_ctx_last_info(struct rkvdec_vp9_ctx *vp9_ctx)
 512 {
 513         vp9_ctx->last = vp9_ctx->cur;
 514 }
 515
 516 static void config_registers(struct rkvdec_ctx *ctx,
 517                              const struct rkvdec_vp9_run *run)
 518 {
 519         unsigned int y_len, uv_len, yuv_len, bit_depth, aligned_height, aligned_pitch, stream_len;
 520         const struct v4l2_ctrl_vp9_frame *dec_params;
 521         struct rkvdec_decoded_buffer *ref_bufs[3];
 522         struct rkvdec_decoded_buffer *dst, *last, *mv_ref;
 523         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 524         u32 val, last_frame_info = 0;
 525         const struct v4l2_vp9_segmentation *seg;
 526         struct rkvdec_dev *rkvdec = ctx->dev;
 527         dma_addr_t addr;
 528         bool intra_only;
 529         unsigned int i;
 530
 531         dec_params = run->decode_params;
 532         dst = vb2_to_rkvdec_decoded_buf(&run->base.bufs.dst->vb2_buf);
 533         ref_bufs[0] = get_ref_buf(ctx, &dst->base.vb, dec_params->last_frame_ts);
 534         ref_bufs[1] = get_ref_buf(ctx, &dst->base.vb, dec_params->golden_frame_ts);
 535         ref_bufs[2] = get_ref_buf(ctx, &dst->base.vb, dec_params->alt_frame_ts);
 536
 537         if (vp9_ctx->last.valid)
 538                 last = get_ref_buf(ctx, &dst->base.vb, vp9_ctx->last.timestamp);
 539         else
 540                 last = dst;
 541
 542         update_dec_buf_info(dst, dec_params);
 543         update_ctx_cur_info(vp9_ctx, dst, dec_params);
 544         seg = &dec_params->seg;
 545
 546         intra_only = !!(dec_params->flags &
 547                         (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
 548                          V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
 549
 550         writel_relaxed(RKVDEC_MODE(RKVDEC_MODE_VP9),
 551                        rkvdec->regs + RKVDEC_REG_SYSCTRL);
 552
 553         bit_depth = dec_params->bit_depth;
 554         aligned_height = round_up(ctx->decoded_fmt.fmt.pix_mp.height, 64);
 555
 556         aligned_pitch = round_up(ctx->decoded_fmt.fmt.pix_mp.width *
 557                                  bit_depth,
 558                                  512) / 8;
 559         y_len = aligned_height * aligned_pitch;
 560         uv_len = y_len / 2;
 561         yuv_len = y_len + uv_len;
 562
 563         writel_relaxed(RKVDEC_Y_HOR_VIRSTRIDE(aligned_pitch / 16) |
 564                        RKVDEC_UV_HOR_VIRSTRIDE(aligned_pitch / 16),
 565                        rkvdec->regs + RKVDEC_REG_PICPAR);
 566         writel_relaxed(RKVDEC_Y_VIRSTRIDE(y_len / 16),
 567                        rkvdec->regs + RKVDEC_REG_Y_VIRSTRIDE);
 568         writel_relaxed(RKVDEC_YUV_VIRSTRIDE(yuv_len / 16),
 569                        rkvdec->regs + RKVDEC_REG_YUV_VIRSTRIDE);
 570
 571         stream_len = vb2_get_plane_payload(&run->base.bufs.src->vb2_buf, 0);
 572         writel_relaxed(RKVDEC_STRM_LEN(stream_len),
 573                        rkvdec->regs + RKVDEC_REG_STRM_LEN);
 574
 575         /*
 576          * Reset count buffer, because decoder only output intra related syntax
 577          * counts when decoding intra frame, but update entropy need to update
 578          * all the probabilities.
 579          */
 580         if (intra_only)
 581                 memset(vp9_ctx->count_tbl.cpu, 0, vp9_ctx->count_tbl.size);
 582
 583         vp9_ctx->cur.segmapid = vp9_ctx->last.segmapid;
 584         if (!intra_only &&
 585             !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
 586             (!(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED) ||
 587              (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP)))
 588                 vp9_ctx->cur.segmapid++;
 589
 590         for (i = 0; i < ARRAY_SIZE(ref_bufs); i++)
 591                 config_ref_registers(ctx, run, ref_bufs[i], &ref_regs[i]);
 592
 593         for (i = 0; i < 8; i++)
 594                 config_seg_registers(ctx, i);
 595
 596         writel_relaxed(RKVDEC_VP9_TX_MODE(vp9_ctx->cur.tx_mode) |
 597                        RKVDEC_VP9_FRAME_REF_MODE(dec_params->reference_mode),
 598                        rkvdec->regs + RKVDEC_VP9_CPRHEADER_CONFIG);
 599
 600         if (!intra_only) {
 601                 const struct v4l2_vp9_loop_filter *lf;
 602                 s8 delta;
 603
 604                 if (vp9_ctx->last.valid)
 605                         lf = &vp9_ctx->last.lf;
 606                 else
 607                         lf = &vp9_ctx->cur.lf;
 608
 609                 val = 0;
 610                 for (i = 0; i < ARRAY_SIZE(lf->ref_deltas); i++) {
 611                         delta = lf->ref_deltas[i];
 612                         val |= RKVDEC_REF_DELTAS_LASTFRAME(i, delta);
 613                 }
 614
 615                 writel_relaxed(val,
 616                                rkvdec->regs + RKVDEC_VP9_REF_DELTAS_LASTFRAME);
 617
 618                 for (i = 0; i < ARRAY_SIZE(lf->mode_deltas); i++) {
 619                         delta = lf->mode_deltas[i];
 620                         last_frame_info |= RKVDEC_MODE_DELTAS_LASTFRAME(i,
 621                                                                         delta);
 622                 }
 623         }
 624
 625         if (vp9_ctx->last.valid && !intra_only &&
 626             vp9_ctx->last.seg.flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED)
 627                 last_frame_info |= RKVDEC_SEG_EN_LASTFRAME;
 628
 629         if (vp9_ctx->last.valid &&
 630             vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_SHOW_FRAME)
 631                 last_frame_info |= RKVDEC_LAST_SHOW_FRAME;
 632
 633         if (vp9_ctx->last.valid &&
 634             vp9_ctx->last.flags &
 635             (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY))
 636                 last_frame_info |= RKVDEC_LAST_INTRA_ONLY;
 637
 638         if (vp9_ctx->last.valid &&
 639             last->vp9.width == dst->vp9.width &&
 640             last->vp9.height == dst->vp9.height)
 641                 last_frame_info |= RKVDEC_LAST_WIDHHEIGHT_EQCUR;
 642
 643         writel_relaxed(last_frame_info,
 644                        rkvdec->regs + RKVDEC_VP9_INFO_LASTFRAME);
 645
 646         writel_relaxed(stream_len - dec_params->compressed_header_size -
 647                        dec_params->uncompressed_header_size,
 648                        rkvdec->regs + RKVDEC_VP9_LASTTILE_SIZE);
 649
 650         for (i = 0; !intra_only && i < ARRAY_SIZE(ref_bufs); i++) {
 651                 unsigned int refw = ref_bufs[i]->vp9.width;
 652                 unsigned int refh = ref_bufs[i]->vp9.height;
 653                 u32 hscale, vscale;
 654
 655                 hscale = (refw << 14) / dst->vp9.width;
 656                 vscale = (refh << 14) / dst->vp9.height;
 657                 writel_relaxed(RKVDEC_VP9_REF_HOR_SCALE(hscale) |
 658                                RKVDEC_VP9_REF_VER_SCALE(vscale),
 659                                rkvdec->regs + RKVDEC_VP9_REF_SCALE(i));
 660         }
 661
 662         addr = vb2_dma_contig_plane_dma_addr(&dst->base.vb.vb2_buf, 0);
 663         writel_relaxed(addr, rkvdec->regs + RKVDEC_REG_DECOUT_BASE);
 664         addr = vb2_dma_contig_plane_dma_addr(&run->base.bufs.src->vb2_buf, 0);
 665         writel_relaxed(addr, rkvdec->regs + RKVDEC_REG_STRM_RLC_BASE);
 666         writel_relaxed(vp9_ctx->priv_tbl.dma +
 667                        offsetof(struct rkvdec_vp9_priv_tbl, probs),
 668                        rkvdec->regs + RKVDEC_REG_CABACTBL_PROB_BASE);
 669         writel_relaxed(vp9_ctx->count_tbl.dma,
 670                        rkvdec->regs + RKVDEC_REG_VP9COUNT_BASE);
 671
 672         writel_relaxed(vp9_ctx->priv_tbl.dma +
 673                        offsetof(struct rkvdec_vp9_priv_tbl, segmap) +
 674                        (RKVDEC_VP9_MAX_SEGMAP_SIZE * vp9_ctx->cur.segmapid),
 675                        rkvdec->regs + RKVDEC_REG_VP9_SEGIDCUR_BASE);
 676         writel_relaxed(vp9_ctx->priv_tbl.dma +
 677                        offsetof(struct rkvdec_vp9_priv_tbl, segmap) +
 678                        (RKVDEC_VP9_MAX_SEGMAP_SIZE * (!vp9_ctx->cur.segmapid)),
 679                        rkvdec->regs + RKVDEC_REG_VP9_SEGIDLAST_BASE);
 680
 681         if (!intra_only &&
 682             !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
 683             vp9_ctx->last.valid)
 684                 mv_ref = last;
 685         else
 686                 mv_ref = dst;
 687
 688         writel_relaxed(get_mv_base_addr(mv_ref),
 689                        rkvdec->regs + RKVDEC_VP9_REF_COLMV_BASE);
 690
 691         writel_relaxed(ctx->decoded_fmt.fmt.pix_mp.width |
 692                        (ctx->decoded_fmt.fmt.pix_mp.height << 16),
 693                        rkvdec->regs + RKVDEC_REG_PERFORMANCE_CYCLE);
 694 }
 695
 696 static int validate_dec_params(struct rkvdec_ctx *ctx,
 697                                const struct v4l2_ctrl_vp9_frame *dec_params)
 698 {
 699         unsigned int aligned_width, aligned_height;
 700
 701         /* We only support profile 0. */
 702         if (dec_params->profile != 0) {
 703                 dev_err(ctx->dev->dev, "unsupported profile %d\n",
 704                         dec_params->profile);
 705                 return -EINVAL;
 706         }
 707
 708         aligned_width = round_up(dec_params->frame_width_minus_1 + 1, 64);
 709         aligned_height = round_up(dec_params->frame_height_minus_1 + 1, 64);
 710
 711         /*
 712          * Userspace should update the capture/decoded format when the
 713          * resolution changes.
 714          */
 715         if (aligned_width != ctx->decoded_fmt.fmt.pix_mp.width ||
 716             aligned_height != ctx->decoded_fmt.fmt.pix_mp.height) {
 717                 dev_err(ctx->dev->dev,
 718                         "unexpected bitstream resolution %dx%d\n",
 719                         dec_params->frame_width_minus_1 + 1,
 720                         dec_params->frame_height_minus_1 + 1);
 721                 return -EINVAL;
 722         }
 723
 724         return 0;
 725 }
 726
 727 static int rkvdec_vp9_run_preamble(struct rkvdec_ctx *ctx,
 728                                    struct rkvdec_vp9_run *run)
 729 {
 730         const struct v4l2_ctrl_vp9_frame *dec_params;
 731         const struct v4l2_ctrl_vp9_compressed_hdr *prob_updates;
 732         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 733         struct v4l2_ctrl *ctrl;
 734         unsigned int fctx_idx;
 735         int ret;
 736
 737         /* v4l2-specific stuff */
 738         rkvdec_run_preamble(ctx, &run->base);
 739
 740         ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
 741                               V4L2_CID_STATELESS_VP9_FRAME);
 742         if (WARN_ON(!ctrl))
 743                 return -EINVAL;
 744         dec_params = ctrl->p_cur.p;
 745
 746         ret = validate_dec_params(ctx, dec_params);
 747         if (ret)
 748                 return ret;
 749
 750         run->decode_params = dec_params;
 751
 752         ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, V4L2_CID_STATELESS_VP9_COMPRESSED_HDR);
 753         if (WARN_ON(!ctrl))
 754                 return -EINVAL;
 755         prob_updates = ctrl->p_cur.p;
 756         vp9_ctx->cur.tx_mode = prob_updates->tx_mode;
 757
 758         /*
 759          * vp9 stuff
 760          *
 761          * by this point the userspace has done all parts of 6.2 uncompressed_header()
 762          * except this fragment:
 763          * if ( FrameIsIntra || error_resilient_mode ) {
 764          *      setup_past_independence ( )
 765          *      if ( frame_type == KEY_FRAME || error_resilient_mode == 1 ||
 766          *           reset_frame_context == 3 ) {
 767          *              for ( i = 0; i < 4; i ++ ) {
 768          *                      save_probs( i )
 769          *              }
 770          *      } else if ( reset_frame_context == 2 ) {
 771          *              save_probs( frame_context_idx )
 772          *      }
 773          *      frame_context_idx = 0
 774          * }
 775          */
 776         fctx_idx = v4l2_vp9_reset_frame_ctx(dec_params, vp9_ctx->frame_context);
 777         vp9_ctx->cur.frame_context_idx = fctx_idx;
 778
 779         /* 6.1 frame(sz): load_probs() and load_probs2() */
 780         vp9_ctx->probability_tables = vp9_ctx->frame_context[fctx_idx];
 781
 782         /*
 783          * The userspace has also performed 6.3 compressed_header(), but handling the
 784          * probs in a special way. All probs which need updating, except MV-related,
 785          * have been read from the bitstream and translated through inv_map_table[],
 786          * but no 6.3.6 inv_recenter_nonneg(v, m) has been performed. The values passed
 787          * by userspace are either translated values (there are no 0 values in
 788          * inv_map_table[]), or zero to indicate no update. All MV-related probs which need
 789          * updating have been read from the bitstream and (mv_prob << 1) | 1 has been
 790          * performed. The values passed by userspace are either new values
 791          * to replace old ones (the above mentioned shift and bitwise or never result in
 792          * a zero) or zero to indicate no update.
 793          * fw_update_probs() performs actual probs updates or leaves probs as-is
 794          * for values for which a zero was passed from userspace.
 795          */
 796         v4l2_vp9_fw_update_probs(&vp9_ctx->probability_tables, prob_updates, dec_params);
 797
 798         return 0;
 799 }
 800
 801 static int rkvdec_vp9_run(struct rkvdec_ctx *ctx)
 802 {
 803         struct rkvdec_dev *rkvdec = ctx->dev;
 804         struct rkvdec_vp9_run run = { };
 805         int ret;
 806
 807         ret = rkvdec_vp9_run_preamble(ctx, &run);
 808         if (ret) {
 809                 rkvdec_run_postamble(ctx, &run.base);
 810                 return ret;
 811         }
 812
 813         /* Prepare probs. */
 814         init_probs(ctx, &run);
 815
 816         /* Configure hardware registers. */
 817         config_registers(ctx, &run);
 818
 819         rkvdec_run_postamble(ctx, &run.base);
 820
 821         schedule_delayed_work(&rkvdec->watchdog_work, msecs_to_jiffies(2000));
 822
 823         writel(1, rkvdec->regs + RKVDEC_REG_PREF_LUMA_CACHE_COMMAND);
 824         writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND);
 825
 826         writel(0xe, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
 827         /* Start decoding! */
 828         writel(RKVDEC_INTERRUPT_DEC_E | RKVDEC_CONFIG_DEC_CLK_GATE_E |
 829                RKVDEC_TIMEOUT_E | RKVDEC_BUF_EMPTY_E,
 830                rkvdec->regs + RKVDEC_REG_INTERRUPT);
 831
 832         return 0;
 833 }
 834
 835 #define copy_tx_and_skip(p1, p2)                                \
 836 do {                                                            \
 837         memcpy((p1)->tx8, (p2)->tx8, sizeof((p1)->tx8));        \
 838         memcpy((p1)->tx16, (p2)->tx16, sizeof((p1)->tx16));     \
 839         memcpy((p1)->tx32, (p2)->tx32, sizeof((p1)->tx32));     \
 840         memcpy((p1)->skip, (p2)->skip, sizeof((p1)->skip));     \
 841 } while (0)
 842
 843 static void rkvdec_vp9_done(struct rkvdec_ctx *ctx,
 844                             struct vb2_v4l2_buffer *src_buf,
 845                             struct vb2_v4l2_buffer *dst_buf,
 846                             enum vb2_buffer_state result)
 847 {
 848         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 849         unsigned int fctx_idx;
 850
 851         /* v4l2-specific stuff */
 852         if (result == VB2_BUF_STATE_ERROR)
 853                 goto out_update_last;
 854
 855         /*
 856          * vp9 stuff
 857          *
 858          * 6.1.2 refresh_probs()
 859          *
 860          * In the spec a complementary condition goes last in 6.1.2 refresh_probs(),
 861          * but it makes no sense to perform all the activities from the first "if"
 862          * there if we actually are not refreshing the frame context. On top of that,
 863          * because of 6.2 uncompressed_header() whenever error_resilient_mode == 1,
 864          * refresh_frame_context == 0. Consequently, if we don't jump to out_update_last
 865          * it means error_resilient_mode must be 0.
 866          */
 867         if (!(vp9_ctx->cur.flags & V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX))
 868                 goto out_update_last;
 869
 870         fctx_idx = vp9_ctx->cur.frame_context_idx;
 871
 872         if (!(vp9_ctx->cur.flags & V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE)) {
 873                 /* error_resilient_mode == 0 && frame_parallel_decoding_mode == 0 */
 874                 struct v4l2_vp9_frame_context *probs = &vp9_ctx->probability_tables;
 875                 bool frame_is_intra = vp9_ctx->cur.flags &
 876                     (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY);
 877                 struct tx_and_skip {
 878                         u8 tx8[2][1];
 879                         u8 tx16[2][2];
 880                         u8 tx32[2][3];
 881                         u8 skip[3];
 882                 } _tx_skip, *tx_skip = &_tx_skip;
 883                 struct v4l2_vp9_frame_symbol_counts *counts;
 884
 885                 /* buffer the forward-updated TX and skip probs */
 886                 if (frame_is_intra)
 887                         copy_tx_and_skip(tx_skip, probs);
 888
 889                 /* 6.1.2 refresh_probs(): load_probs() and load_probs2() */
 890                 *probs = vp9_ctx->frame_context[fctx_idx];
 891
 892                 /* if FrameIsIntra then undo the effect of load_probs2() */
 893                 if (frame_is_intra)
 894                         copy_tx_and_skip(probs, tx_skip);
 895
 896                 counts = frame_is_intra ? &vp9_ctx->intra_cnts : &vp9_ctx->inter_cnts;
 897                 v4l2_vp9_adapt_coef_probs(probs, counts,
 898                                           !vp9_ctx->last.valid ||
 899                                           vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME,
 900                                           frame_is_intra);
 901                 if (!frame_is_intra) {
 902                         const struct rkvdec_vp9_inter_frame_symbol_counts *inter_cnts;
 903                         u32 classes[2][11];
 904                         int i;
 905
 906                         inter_cnts = vp9_ctx->count_tbl.cpu;
 907                         for (i = 0; i < ARRAY_SIZE(classes); ++i)
 908                                 memcpy(classes[i], inter_cnts->classes[i], sizeof(classes[0]));
 909                         counts->classes = &classes;
 910
 911                         /* load_probs2() already done */
 912                         v4l2_vp9_adapt_noncoef_probs(&vp9_ctx->probability_tables, counts,
 913                                                      vp9_ctx->cur.reference_mode,
 914                                                      vp9_ctx->cur.interpolation_filter,
 915                                                      vp9_ctx->cur.tx_mode, vp9_ctx->cur.flags);
 916                 }
 917         }
 918
 919         /* 6.1.2 refresh_probs(): save_probs(fctx_idx) */
 920         vp9_ctx->frame_context[fctx_idx] = vp9_ctx->probability_tables;
 921
 922 out_update_last:
 923         update_ctx_last_info(vp9_ctx);
 924 }
 925
 926 static void rkvdec_init_v4l2_vp9_count_tbl(struct rkvdec_ctx *ctx)
 927 {
 928         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
 929         struct rkvdec_vp9_intra_frame_symbol_counts *intra_cnts = vp9_ctx->count_tbl.cpu;
 930         struct rkvdec_vp9_inter_frame_symbol_counts *inter_cnts = vp9_ctx->count_tbl.cpu;
 931         int i, j, k, l, m;
 932
 933         vp9_ctx->inter_cnts.partition = &inter_cnts->partition;
 934         vp9_ctx->inter_cnts.skip = &inter_cnts->skip;
 935         vp9_ctx->inter_cnts.intra_inter = &inter_cnts->inter;
 936         vp9_ctx->inter_cnts.tx32p = &inter_cnts->tx32p;
 937         vp9_ctx->inter_cnts.tx16p = &inter_cnts->tx16p;
 938         vp9_ctx->inter_cnts.tx8p = &inter_cnts->tx8p;
 939
 940         vp9_ctx->intra_cnts.partition = (u32 (*)[16][4])(&intra_cnts->partition);
 941         vp9_ctx->intra_cnts.skip = &intra_cnts->skip;
 942         vp9_ctx->intra_cnts.intra_inter = &intra_cnts->intra;
 943         vp9_ctx->intra_cnts.tx32p = &intra_cnts->tx32p;
 944         vp9_ctx->intra_cnts.tx16p = &intra_cnts->tx16p;
 945         vp9_ctx->intra_cnts.tx8p = &intra_cnts->tx8p;
 946
 947         vp9_ctx->inter_cnts.y_mode = &inter_cnts->y_mode;
 948         vp9_ctx->inter_cnts.uv_mode = &inter_cnts->uv_mode;
 949         vp9_ctx->inter_cnts.comp = &inter_cnts->comp;
 950         vp9_ctx->inter_cnts.comp_ref = &inter_cnts->comp_ref;
 951         vp9_ctx->inter_cnts.single_ref = &inter_cnts->single_ref;
 952         vp9_ctx->inter_cnts.mv_mode = &inter_cnts->mv_mode;
 953         vp9_ctx->inter_cnts.filter = &inter_cnts->filter;
 954         vp9_ctx->inter_cnts.mv_joint = &inter_cnts->mv_joint;
 955         vp9_ctx->inter_cnts.sign = &inter_cnts->sign;
 956         /*
 957          * rk hardware actually uses "u32 classes[2][11 + 1];"
 958          * instead of "u32 classes[2][11];", so this must be explicitly
 959          * copied into vp9_ctx->classes when passing the data to the
 960          * vp9 library function
 961          */
 962         vp9_ctx->inter_cnts.class0 = &inter_cnts->class0;
 963         vp9_ctx->inter_cnts.bits = &inter_cnts->bits;
 964         vp9_ctx->inter_cnts.class0_fp = &inter_cnts->class0_fp;
 965         vp9_ctx->inter_cnts.fp = &inter_cnts->fp;
 966         vp9_ctx->inter_cnts.class0_hp = &inter_cnts->class0_hp;
 967         vp9_ctx->inter_cnts.hp = &inter_cnts->hp;
 968
 969 #define INNERMOST_LOOP \
 970         do {                                                                            \
 971                 for (m = 0; m < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0][0][0][0]); ++m) {\
 972                         vp9_ctx->inter_cnts.coeff[i][j][k][l][m] =                      \
 973                                 &inter_cnts->ref_cnt[k][i][j][l][m].coeff;              \
 974                         vp9_ctx->inter_cnts.eob[i][j][k][l][m][0] =                     \
 975                                 &inter_cnts->ref_cnt[k][i][j][l][m].eob[0];             \
 976                         vp9_ctx->inter_cnts.eob[i][j][k][l][m][1] =                     \
 977                                 &inter_cnts->ref_cnt[k][i][j][l][m].eob[1];             \
 978                                                                                         \
 979                         vp9_ctx->intra_cnts.coeff[i][j][k][l][m] =                      \
 980                                 &intra_cnts->ref_cnt[k][i][j][l][m].coeff;              \
 981                         vp9_ctx->intra_cnts.eob[i][j][k][l][m][0] =                     \
 982                                 &intra_cnts->ref_cnt[k][i][j][l][m].eob[0];             \
 983                         vp9_ctx->intra_cnts.eob[i][j][k][l][m][1] =                     \
 984                                 &intra_cnts->ref_cnt[k][i][j][l][m].eob[1];             \
 985                 }                                                                       \
 986         } while (0)
 987
 988         for (i = 0; i < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff); ++i)
 989                 for (j = 0; j < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0]); ++j)
 990                         for (k = 0; k < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0][0]); ++k)
 991                                 for (l = 0; l < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0][0][0]); ++l)
 992                                         INNERMOST_LOOP;
 993 #undef INNERMOST_LOOP
 994 }
 995
 996 static int rkvdec_vp9_start(struct rkvdec_ctx *ctx)
 997 {
 998         struct rkvdec_dev *rkvdec = ctx->dev;
 999         struct rkvdec_vp9_priv_tbl *priv_tbl;
1000         struct rkvdec_vp9_ctx *vp9_ctx;
1001         unsigned char *count_tbl;
1002         int ret;
1003
1004         vp9_ctx = kzalloc(sizeof(*vp9_ctx), GFP_KERNEL);
1005         if (!vp9_ctx)
1006                 return -ENOMEM;
1007
1008         ctx->priv = vp9_ctx;
1009
1010         BUILD_BUG_ON(sizeof(priv_tbl->probs) % 16); /* ensure probs size is 128-bit aligned */
1011         priv_tbl = dma_alloc_coherent(rkvdec->dev, sizeof(*priv_tbl),
1012                                       &vp9_ctx->priv_tbl.dma, GFP_KERNEL);
1013         if (!priv_tbl) {
1014                 ret = -ENOMEM;
1015                 goto err_free_ctx;
1016         }
1017
1018         vp9_ctx->priv_tbl.size = sizeof(*priv_tbl);
1019         vp9_ctx->priv_tbl.cpu = priv_tbl;
1020
1021         count_tbl = dma_alloc_coherent(rkvdec->dev, RKVDEC_VP9_COUNT_SIZE,
1022                                        &vp9_ctx->count_tbl.dma, GFP_KERNEL);
1023         if (!count_tbl) {
1024                 ret = -ENOMEM;
1025                 goto err_free_priv_tbl;
1026         }
1027
1028         vp9_ctx->count_tbl.size = RKVDEC_VP9_COUNT_SIZE;
1029         vp9_ctx->count_tbl.cpu = count_tbl;
1030         rkvdec_init_v4l2_vp9_count_tbl(ctx);
1031
1032         return 0;
1033
1034 err_free_priv_tbl:
1035         dma_free_coherent(rkvdec->dev, vp9_ctx->priv_tbl.size,
1036                           vp9_ctx->priv_tbl.cpu, vp9_ctx->priv_tbl.dma);
1037
1038 err_free_ctx:
1039         kfree(vp9_ctx);
1040         return ret;
1041 }
1042
1043 static void rkvdec_vp9_stop(struct rkvdec_ctx *ctx)
1044 {
1045         struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
1046         struct rkvdec_dev *rkvdec = ctx->dev;
1047
1048         dma_free_coherent(rkvdec->dev, vp9_ctx->count_tbl.size,
1049                           vp9_ctx->count_tbl.cpu, vp9_ctx->count_tbl.dma);
1050         dma_free_coherent(rkvdec->dev, vp9_ctx->priv_tbl.size,
1051                           vp9_ctx->priv_tbl.cpu, vp9_ctx->priv_tbl.dma);
1052         kfree(vp9_ctx);
1053 }
1054
1055 static int rkvdec_vp9_adjust_fmt(struct rkvdec_ctx *ctx,
1056                                  struct v4l2_format *f)
1057 {
1058         struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
1059
1060         fmt->num_planes = 1;
1061         if (!fmt->plane_fmt[0].sizeimage)
1062                 fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height * 2;
1063         return 0;
1064 }
1065
1066 const struct rkvdec_coded_fmt_ops rkvdec_vp9_fmt_ops = {
1067         .adjust_fmt = rkvdec_vp9_adjust_fmt,
1068         .start = rkvdec_vp9_start,
1069         .stop = rkvdec_vp9_stop,
1070         .run = rkvdec_vp9_run,
1071         .done = rkvdec_vp9_done,
1072 };