drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Hantro VP9 codec driver
   4  *
   5  * Copyright (C) 2021 Collabora Ltd.
   6  */
   7 #include "media/videobuf2-core.h"
   8 #include "media/videobuf2-dma-contig.h"
   9 #include "media/videobuf2-v4l2.h"
  10 #include <linux/kernel.h>
  11 #include <linux/vmalloc.h>
  12 #include <media/v4l2-mem2mem.h>
  13 #include <media/v4l2-vp9.h>
  14
  15 #include "hantro.h"
  16 #include "hantro_vp9.h"
  17 #include "hantro_g2_regs.h"
  18
  19 #define G2_ALIGN 16
  20
  21 enum hantro_ref_frames {
  22         INTRA_FRAME = 0,
  23         LAST_FRAME = 1,
  24         GOLDEN_FRAME = 2,
  25         ALTREF_FRAME = 3,
  26         MAX_REF_FRAMES = 4
  27 };
  28
  29 static int start_prepare_run(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame **dec_params)
  30 {
  31         const struct v4l2_ctrl_vp9_compressed_hdr *prob_updates;
  32         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
  33         struct v4l2_ctrl *ctrl;
  34         unsigned int fctx_idx;
  35
  36         /* v4l2-specific stuff */
  37         hantro_start_prepare_run(ctx);
  38
  39         ctrl = v4l2_ctrl_find(&ctx->ctrl_handler, V4L2_CID_STATELESS_VP9_FRAME);
  40         if (WARN_ON(!ctrl))
  41                 return -EINVAL;
  42         *dec_params = ctrl->p_cur.p;
  43
  44         ctrl = v4l2_ctrl_find(&ctx->ctrl_handler, V4L2_CID_STATELESS_VP9_COMPRESSED_HDR);
  45         if (WARN_ON(!ctrl))
  46                 return -EINVAL;
  47         prob_updates = ctrl->p_cur.p;
  48         vp9_ctx->cur.tx_mode = prob_updates->tx_mode;
  49
  50         /*
  51          * vp9 stuff
  52          *
  53          * by this point the userspace has done all parts of 6.2 uncompressed_header()
  54          * except this fragment:
  55          * if ( FrameIsIntra || error_resilient_mode ) {
  56          *      setup_past_independence ( )
  57          *      if ( frame_type == KEY_FRAME || error_resilient_mode == 1 ||
  58          *           reset_frame_context == 3 ) {
  59          *              for ( i = 0; i < 4; i ++ ) {
  60          *                      save_probs( i )
  61          *              }
  62          *      } else if ( reset_frame_context == 2 ) {
  63          *              save_probs( frame_context_idx )
  64          *      }
  65          *      frame_context_idx = 0
  66          * }
  67          */
  68         fctx_idx = v4l2_vp9_reset_frame_ctx(*dec_params, vp9_ctx->frame_context);
  69         vp9_ctx->cur.frame_context_idx = fctx_idx;
  70
  71         /* 6.1 frame(sz): load_probs() and load_probs2() */
  72         vp9_ctx->probability_tables = vp9_ctx->frame_context[fctx_idx];
  73
  74         /*
  75          * The userspace has also performed 6.3 compressed_header(), but handling the
  76          * probs in a special way. All probs which need updating, except MV-related,
  77          * have been read from the bitstream and translated through inv_map_table[],
  78          * but no 6.3.6 inv_recenter_nonneg(v, m) has been performed. The values passed
  79          * by userspace are either translated values (there are no 0 values in
  80          * inv_map_table[]), or zero to indicate no update. All MV-related probs which need
  81          * updating have been read from the bitstream and (mv_prob << 1) | 1 has been
  82          * performed. The values passed by userspace are either new values
  83          * to replace old ones (the above mentioned shift and bitwise or never result in
  84          * a zero) or zero to indicate no update.
  85          * fw_update_probs() performs actual probs updates or leaves probs as-is
  86          * for values for which a zero was passed from userspace.
  87          */
  88         v4l2_vp9_fw_update_probs(&vp9_ctx->probability_tables, prob_updates, *dec_params);
  89
  90         return 0;
  91 }
  92
  93 static size_t chroma_offset(const struct hantro_ctx *ctx,
  94                             const struct v4l2_ctrl_vp9_frame *dec_params)
  95 {
  96         int bytes_per_pixel = dec_params->bit_depth == 8 ? 1 : 2;
  97
  98         return ctx->src_fmt.width * ctx->src_fmt.height * bytes_per_pixel;
  99 }
 100
 101 static size_t mv_offset(const struct hantro_ctx *ctx,
 102                         const struct v4l2_ctrl_vp9_frame *dec_params)
 103 {
 104         size_t cr_offset = chroma_offset(ctx, dec_params);
 105
 106         return ALIGN((cr_offset * 3) / 2, G2_ALIGN);
 107 }
 108
 109 static struct hantro_decoded_buffer *
 110 get_ref_buf(struct hantro_ctx *ctx, struct vb2_v4l2_buffer *dst, u64 timestamp)
 111 {
 112         struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
 113         struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
 114         struct vb2_buffer *buf;
 115
 116         /*
 117          * If a ref is unused or invalid, address of current destination
 118          * buffer is returned.
 119          */
 120         buf = vb2_find_buffer(cap_q, timestamp);
 121         if (!buf)
 122                 buf = &dst->vb2_buf;
 123
 124         return vb2_to_hantro_decoded_buf(buf);
 125 }
 126
 127 static void update_dec_buf_info(struct hantro_decoded_buffer *buf,
 128                                 const struct v4l2_ctrl_vp9_frame *dec_params)
 129 {
 130         buf->vp9.width = dec_params->frame_width_minus_1 + 1;
 131         buf->vp9.height = dec_params->frame_height_minus_1 + 1;
 132         buf->vp9.bit_depth = dec_params->bit_depth;
 133 }
 134
 135 static void update_ctx_cur_info(struct hantro_vp9_dec_hw_ctx *vp9_ctx,
 136                                 struct hantro_decoded_buffer *buf,
 137                                 const struct v4l2_ctrl_vp9_frame *dec_params)
 138 {
 139         vp9_ctx->cur.valid = true;
 140         vp9_ctx->cur.reference_mode = dec_params->reference_mode;
 141         vp9_ctx->cur.interpolation_filter = dec_params->interpolation_filter;
 142         vp9_ctx->cur.flags = dec_params->flags;
 143         vp9_ctx->cur.timestamp = buf->base.vb.vb2_buf.timestamp;
 144 }
 145
 146 static void config_output(struct hantro_ctx *ctx,
 147                           struct hantro_decoded_buffer *dst,
 148                           const struct v4l2_ctrl_vp9_frame *dec_params)
 149 {
 150         dma_addr_t luma_addr, chroma_addr, mv_addr;
 151
 152         hantro_reg_write(ctx->dev, &g2_out_dis, 0);
 153         if (!ctx->dev->variant->legacy_regs)
 154                 hantro_reg_write(ctx->dev, &g2_output_format, 0);
 155
 156         luma_addr = hantro_get_dec_buf_addr(ctx, &dst->base.vb.vb2_buf);
 157         hantro_write_addr(ctx->dev, G2_OUT_LUMA_ADDR, luma_addr);
 158
 159         chroma_addr = luma_addr + chroma_offset(ctx, dec_params);
 160         hantro_write_addr(ctx->dev, G2_OUT_CHROMA_ADDR, chroma_addr);
 161
 162         mv_addr = luma_addr + mv_offset(ctx, dec_params);
 163         hantro_write_addr(ctx->dev, G2_OUT_MV_ADDR, mv_addr);
 164 }
 165
 166 struct hantro_vp9_ref_reg {
 167         const struct hantro_reg width;
 168         const struct hantro_reg height;
 169         const struct hantro_reg hor_scale;
 170         const struct hantro_reg ver_scale;
 171         u32 y_base;
 172         u32 c_base;
 173 };
 174
 175 static void config_ref(struct hantro_ctx *ctx,
 176                        struct hantro_decoded_buffer *dst,
 177                        const struct hantro_vp9_ref_reg *ref_reg,
 178                        const struct v4l2_ctrl_vp9_frame *dec_params,
 179                        u64 ref_ts)
 180 {
 181         struct hantro_decoded_buffer *buf;
 182         dma_addr_t luma_addr, chroma_addr;
 183         u32 refw, refh;
 184
 185         buf = get_ref_buf(ctx, &dst->base.vb, ref_ts);
 186         refw = buf->vp9.width;
 187         refh = buf->vp9.height;
 188
 189         hantro_reg_write(ctx->dev, &ref_reg->width, refw);
 190         hantro_reg_write(ctx->dev, &ref_reg->height, refh);
 191
 192         hantro_reg_write(ctx->dev, &ref_reg->hor_scale, (refw << 14) / dst->vp9.width);
 193         hantro_reg_write(ctx->dev, &ref_reg->ver_scale, (refh << 14) / dst->vp9.height);
 194
 195         luma_addr = hantro_get_dec_buf_addr(ctx, &buf->base.vb.vb2_buf);
 196         hantro_write_addr(ctx->dev, ref_reg->y_base, luma_addr);
 197
 198         chroma_addr = luma_addr + chroma_offset(ctx, dec_params);
 199         hantro_write_addr(ctx->dev, ref_reg->c_base, chroma_addr);
 200 }
 201
 202 static void config_ref_registers(struct hantro_ctx *ctx,
 203                                  const struct v4l2_ctrl_vp9_frame *dec_params,
 204                                  struct hantro_decoded_buffer *dst,
 205                                  struct hantro_decoded_buffer *mv_ref)
 206 {
 207         static const struct hantro_vp9_ref_reg ref_regs[] = {
 208                 {
 209                         /* Last */
 210                         .width = vp9_lref_width,
 211                         .height = vp9_lref_height,
 212                         .hor_scale = vp9_lref_hor_scale,
 213                         .ver_scale = vp9_lref_ver_scale,
 214                         .y_base = G2_REF_LUMA_ADDR(0),
 215                         .c_base = G2_REF_CHROMA_ADDR(0),
 216                 }, {
 217                         /* Golden */
 218                         .width = vp9_gref_width,
 219                         .height = vp9_gref_height,
 220                         .hor_scale = vp9_gref_hor_scale,
 221                         .ver_scale = vp9_gref_ver_scale,
 222                         .y_base = G2_REF_LUMA_ADDR(4),
 223                         .c_base = G2_REF_CHROMA_ADDR(4),
 224                 }, {
 225                         /* Altref */
 226                         .width = vp9_aref_width,
 227                         .height = vp9_aref_height,
 228                         .hor_scale = vp9_aref_hor_scale,
 229                         .ver_scale = vp9_aref_ver_scale,
 230                         .y_base = G2_REF_LUMA_ADDR(5),
 231                         .c_base = G2_REF_CHROMA_ADDR(5),
 232                 },
 233         };
 234         dma_addr_t mv_addr;
 235
 236         config_ref(ctx, dst, &ref_regs[0], dec_params, dec_params->last_frame_ts);
 237         config_ref(ctx, dst, &ref_regs[1], dec_params, dec_params->golden_frame_ts);
 238         config_ref(ctx, dst, &ref_regs[2], dec_params, dec_params->alt_frame_ts);
 239
 240         mv_addr = hantro_get_dec_buf_addr(ctx, &mv_ref->base.vb.vb2_buf) +
 241                   mv_offset(ctx, dec_params);
 242         hantro_write_addr(ctx->dev, G2_REF_MV_ADDR(0), mv_addr);
 243
 244         hantro_reg_write(ctx->dev, &vp9_last_sign_bias,
 245                          dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_LAST ? 1 : 0);
 246
 247         hantro_reg_write(ctx->dev, &vp9_gref_sign_bias,
 248                          dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_GOLDEN ? 1 : 0);
 249
 250         hantro_reg_write(ctx->dev, &vp9_aref_sign_bias,
 251                          dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_ALT ? 1 : 0);
 252 }
 253
 254 static void recompute_tile_info(unsigned short *tile_info, unsigned int tiles, unsigned int sbs)
 255 {
 256         int i;
 257         unsigned int accumulated = 0;
 258         unsigned int next_accumulated;
 259
 260         for (i = 1; i <= tiles; ++i) {
 261                 next_accumulated = i * sbs / tiles;
 262                 *tile_info++ = next_accumulated - accumulated;
 263                 accumulated = next_accumulated;
 264         }
 265 }
 266
 267 static void
 268 recompute_tile_rc_info(struct hantro_ctx *ctx,
 269                        unsigned int tile_r, unsigned int tile_c,
 270                        unsigned int sbs_r, unsigned int sbs_c)
 271 {
 272         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 273
 274         recompute_tile_info(vp9_ctx->tile_r_info, tile_r, sbs_r);
 275         recompute_tile_info(vp9_ctx->tile_c_info, tile_c, sbs_c);
 276
 277         vp9_ctx->last_tile_r = tile_r;
 278         vp9_ctx->last_tile_c = tile_c;
 279         vp9_ctx->last_sbs_r = sbs_r;
 280         vp9_ctx->last_sbs_c = sbs_c;
 281 }
 282
 283 static inline unsigned int first_tile_row(unsigned int tile_r, unsigned int sbs_r)
 284 {
 285         if (tile_r == sbs_r + 1)
 286                 return 1;
 287
 288         if (tile_r == sbs_r + 2)
 289                 return 2;
 290
 291         return 0;
 292 }
 293
 294 static void
 295 fill_tile_info(struct hantro_ctx *ctx,
 296                unsigned int tile_r, unsigned int tile_c,
 297                unsigned int sbs_r, unsigned int sbs_c,
 298                unsigned short *tile_mem)
 299 {
 300         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 301         unsigned int i, j;
 302         bool first = true;
 303
 304         for (i = first_tile_row(tile_r, sbs_r); i < tile_r; ++i) {
 305                 unsigned short r_info = vp9_ctx->tile_r_info[i];
 306
 307                 if (first) {
 308                         if (i > 0)
 309                                 r_info += vp9_ctx->tile_r_info[0];
 310                         if (i == 2)
 311                                 r_info += vp9_ctx->tile_r_info[1];
 312                         first = false;
 313                 }
 314                 for (j = 0; j < tile_c; ++j) {
 315                         *tile_mem++ = vp9_ctx->tile_c_info[j];
 316                         *tile_mem++ = r_info;
 317                 }
 318         }
 319 }
 320
 321 static void
 322 config_tiles(struct hantro_ctx *ctx,
 323              const struct v4l2_ctrl_vp9_frame *dec_params,
 324              struct hantro_decoded_buffer *dst)
 325 {
 326         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 327         struct hantro_aux_buf *misc = &vp9_ctx->misc;
 328         struct hantro_aux_buf *tile_edge = &vp9_ctx->tile_edge;
 329         dma_addr_t addr;
 330         unsigned short *tile_mem;
 331         unsigned int rows, cols;
 332
 333         addr = misc->dma + vp9_ctx->tile_info_offset;
 334         hantro_write_addr(ctx->dev, G2_TILE_SIZES_ADDR, addr);
 335
 336         tile_mem = misc->cpu + vp9_ctx->tile_info_offset;
 337         if (dec_params->tile_cols_log2 || dec_params->tile_rows_log2) {
 338                 unsigned int tile_r = (1 << dec_params->tile_rows_log2);
 339                 unsigned int tile_c = (1 << dec_params->tile_cols_log2);
 340                 unsigned int sbs_r = hantro_vp9_num_sbs(dst->vp9.height);
 341                 unsigned int sbs_c = hantro_vp9_num_sbs(dst->vp9.width);
 342
 343                 if (tile_r != vp9_ctx->last_tile_r || tile_c != vp9_ctx->last_tile_c ||
 344                     sbs_r != vp9_ctx->last_sbs_r || sbs_c != vp9_ctx->last_sbs_c)
 345                         recompute_tile_rc_info(ctx, tile_r, tile_c, sbs_r, sbs_c);
 346
 347                 fill_tile_info(ctx, tile_r, tile_c, sbs_r, sbs_c, tile_mem);
 348
 349                 cols = tile_c;
 350                 rows = tile_r;
 351                 hantro_reg_write(ctx->dev, &g2_tile_e, 1);
 352         } else {
 353                 tile_mem[0] = hantro_vp9_num_sbs(dst->vp9.width);
 354                 tile_mem[1] = hantro_vp9_num_sbs(dst->vp9.height);
 355
 356                 cols = 1;
 357                 rows = 1;
 358                 hantro_reg_write(ctx->dev, &g2_tile_e, 0);
 359         }
 360
 361         if (ctx->dev->variant->legacy_regs) {
 362                 hantro_reg_write(ctx->dev, &g2_num_tile_cols_old, cols);
 363                 hantro_reg_write(ctx->dev, &g2_num_tile_rows_old, rows);
 364         } else {
 365                 hantro_reg_write(ctx->dev, &g2_num_tile_cols, cols);
 366                 hantro_reg_write(ctx->dev, &g2_num_tile_rows, rows);
 367         }
 368
 369         /* provide aux buffers even if no tiles are used */
 370         addr = tile_edge->dma;
 371         hantro_write_addr(ctx->dev, G2_TILE_FILTER_ADDR, addr);
 372
 373         addr = tile_edge->dma + vp9_ctx->bsd_ctrl_offset;
 374         hantro_write_addr(ctx->dev, G2_TILE_BSD_ADDR, addr);
 375 }
 376
 377 static void
 378 update_feat_and_flag(struct hantro_vp9_dec_hw_ctx *vp9_ctx,
 379                      const struct v4l2_vp9_segmentation *seg,
 380                      unsigned int feature,
 381                      unsigned int segid)
 382 {
 383         u8 mask = V4L2_VP9_SEGMENT_FEATURE_ENABLED(feature);
 384
 385         vp9_ctx->feature_data[segid][feature] = seg->feature_data[segid][feature];
 386         vp9_ctx->feature_enabled[segid] &= ~mask;
 387         vp9_ctx->feature_enabled[segid] |= (seg->feature_enabled[segid] & mask);
 388 }
 389
 390 static inline s16 clip3(s16 x, s16 y, s16 z)
 391 {
 392         return (z < x) ? x : (z > y) ? y : z;
 393 }
 394
 395 static s16 feat_val_clip3(s16 feat_val, s16 feature_data, bool absolute, u8 clip)
 396 {
 397         if (absolute)
 398                 return feature_data;
 399
 400         return clip3(0, 255, feat_val + feature_data);
 401 }
 402
 403 static void config_segment(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
 404 {
 405         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 406         const struct v4l2_vp9_segmentation *seg;
 407         s16 feat_val;
 408         unsigned char feat_id;
 409         unsigned int segid;
 410         bool segment_enabled, absolute, update_data;
 411
 412         static const struct hantro_reg seg_regs[8][V4L2_VP9_SEG_LVL_MAX] = {
 413                 { vp9_quant_seg0, vp9_filt_level_seg0, vp9_refpic_seg0, vp9_skip_seg0 },
 414                 { vp9_quant_seg1, vp9_filt_level_seg1, vp9_refpic_seg1, vp9_skip_seg1 },
 415                 { vp9_quant_seg2, vp9_filt_level_seg2, vp9_refpic_seg2, vp9_skip_seg2 },
 416                 { vp9_quant_seg3, vp9_filt_level_seg3, vp9_refpic_seg3, vp9_skip_seg3 },
 417                 { vp9_quant_seg4, vp9_filt_level_seg4, vp9_refpic_seg4, vp9_skip_seg4 },
 418                 { vp9_quant_seg5, vp9_filt_level_seg5, vp9_refpic_seg5, vp9_skip_seg5 },
 419                 { vp9_quant_seg6, vp9_filt_level_seg6, vp9_refpic_seg6, vp9_skip_seg6 },
 420                 { vp9_quant_seg7, vp9_filt_level_seg7, vp9_refpic_seg7, vp9_skip_seg7 },
 421         };
 422
 423         segment_enabled = !!(dec_params->seg.flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED);
 424         hantro_reg_write(ctx->dev, &vp9_segment_e, segment_enabled);
 425         hantro_reg_write(ctx->dev, &vp9_segment_upd_e,
 426                          !!(dec_params->seg.flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP));
 427         hantro_reg_write(ctx->dev, &vp9_segment_temp_upd_e,
 428                          !!(dec_params->seg.flags & V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE));
 429
 430         seg = &dec_params->seg;
 431         absolute = !!(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE);
 432         update_data = !!(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA);
 433
 434         for (segid = 0; segid < 8; ++segid) {
 435                 /* Quantizer segment feature */
 436                 feat_id = V4L2_VP9_SEG_LVL_ALT_Q;
 437                 feat_val = dec_params->quant.base_q_idx;
 438                 if (segment_enabled) {
 439                         if (update_data)
 440                                 update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
 441                         if (v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled, feat_id, segid))
 442                                 feat_val = feat_val_clip3(feat_val,
 443                                                           vp9_ctx->feature_data[segid][feat_id],
 444                                                           absolute, 255);
 445                 }
 446                 hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
 447
 448                 /* Loop filter segment feature */
 449                 feat_id = V4L2_VP9_SEG_LVL_ALT_L;
 450                 feat_val = dec_params->lf.level;
 451                 if (segment_enabled) {
 452                         if (update_data)
 453                                 update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
 454                         if (v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled, feat_id, segid))
 455                                 feat_val = feat_val_clip3(feat_val,
 456                                                           vp9_ctx->feature_data[segid][feat_id],
 457                                                           absolute, 63);
 458                 }
 459                 hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
 460
 461                 /* Reference frame segment feature */
 462                 feat_id = V4L2_VP9_SEG_LVL_REF_FRAME;
 463                 feat_val = 0;
 464                 if (segment_enabled) {
 465                         if (update_data)
 466                                 update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
 467                         if (!(dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME) &&
 468                             v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled, feat_id, segid))
 469                                 feat_val = vp9_ctx->feature_data[segid][feat_id] + 1;
 470                 }
 471                 hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
 472
 473                 /* Skip segment feature */
 474                 feat_id = V4L2_VP9_SEG_LVL_SKIP;
 475                 feat_val = 0;
 476                 if (segment_enabled) {
 477                         if (update_data)
 478                                 update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
 479                         feat_val = v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled,
 480                                                              feat_id, segid) ? 1 : 0;
 481                 }
 482                 hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
 483         }
 484 }
 485
 486 static void config_loop_filter(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
 487 {
 488         bool d = dec_params->lf.flags & V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED;
 489
 490         hantro_reg_write(ctx->dev, &vp9_filt_level, dec_params->lf.level);
 491         hantro_reg_write(ctx->dev, &g2_out_filtering_dis, dec_params->lf.level == 0);
 492         hantro_reg_write(ctx->dev, &vp9_filt_sharpness, dec_params->lf.sharpness);
 493
 494         hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_0, d ? dec_params->lf.ref_deltas[0] : 0);
 495         hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_1, d ? dec_params->lf.ref_deltas[1] : 0);
 496         hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_2, d ? dec_params->lf.ref_deltas[2] : 0);
 497         hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_3, d ? dec_params->lf.ref_deltas[3] : 0);
 498         hantro_reg_write(ctx->dev, &vp9_filt_mb_adj_0, d ? dec_params->lf.mode_deltas[0] : 0);
 499         hantro_reg_write(ctx->dev, &vp9_filt_mb_adj_1, d ? dec_params->lf.mode_deltas[1] : 0);
 500 }
 501
 502 static void config_picture_dimensions(struct hantro_ctx *ctx, struct hantro_decoded_buffer *dst)
 503 {
 504         u32 pic_w_4x4, pic_h_4x4;
 505
 506         hantro_reg_write(ctx->dev, &g2_pic_width_in_cbs, (dst->vp9.width + 7) / 8);
 507         hantro_reg_write(ctx->dev, &g2_pic_height_in_cbs, (dst->vp9.height + 7) / 8);
 508         pic_w_4x4 = roundup(dst->vp9.width, 8) >> 2;
 509         pic_h_4x4 = roundup(dst->vp9.height, 8) >> 2;
 510         hantro_reg_write(ctx->dev, &g2_pic_width_4x4, pic_w_4x4);
 511         hantro_reg_write(ctx->dev, &g2_pic_height_4x4, pic_h_4x4);
 512 }
 513
 514 static void
 515 config_bit_depth(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
 516 {
 517         if (ctx->dev->variant->legacy_regs) {
 518                 hantro_reg_write(ctx->dev, &g2_bit_depth_y, dec_params->bit_depth);
 519                 hantro_reg_write(ctx->dev, &g2_bit_depth_c, dec_params->bit_depth);
 520                 hantro_reg_write(ctx->dev, &g2_pix_shift, 0);
 521         } else {
 522                 hantro_reg_write(ctx->dev, &g2_bit_depth_y_minus8, dec_params->bit_depth - 8);
 523                 hantro_reg_write(ctx->dev, &g2_bit_depth_c_minus8, dec_params->bit_depth - 8);
 524         }
 525 }
 526
 527 static inline bool is_lossless(const struct v4l2_vp9_quantization *quant)
 528 {
 529         return quant->base_q_idx == 0 && quant->delta_q_uv_ac == 0 &&
 530                quant->delta_q_uv_dc == 0 && quant->delta_q_y_dc == 0;
 531 }
 532
 533 static void
 534 config_quant(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
 535 {
 536         hantro_reg_write(ctx->dev, &vp9_qp_delta_y_dc, dec_params->quant.delta_q_y_dc);
 537         hantro_reg_write(ctx->dev, &vp9_qp_delta_ch_dc, dec_params->quant.delta_q_uv_dc);
 538         hantro_reg_write(ctx->dev, &vp9_qp_delta_ch_ac, dec_params->quant.delta_q_uv_ac);
 539         hantro_reg_write(ctx->dev, &vp9_lossless_e, is_lossless(&dec_params->quant));
 540 }
 541
 542 static u32
 543 hantro_interp_filter_from_v4l2(unsigned int interpolation_filter)
 544 {
 545         switch (interpolation_filter) {
 546         case V4L2_VP9_INTERP_FILTER_EIGHTTAP:
 547                 return 0x1;
 548         case V4L2_VP9_INTERP_FILTER_EIGHTTAP_SMOOTH:
 549                 return 0;
 550         case V4L2_VP9_INTERP_FILTER_EIGHTTAP_SHARP:
 551                 return 0x2;
 552         case V4L2_VP9_INTERP_FILTER_BILINEAR:
 553                 return 0x3;
 554         case V4L2_VP9_INTERP_FILTER_SWITCHABLE:
 555                 return 0x4;
 556         }
 557
 558         return 0;
 559 }
 560
 561 static void
 562 config_others(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params,
 563               bool intra_only, bool resolution_change)
 564 {
 565         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 566
 567         hantro_reg_write(ctx->dev, &g2_idr_pic_e, intra_only);
 568
 569         hantro_reg_write(ctx->dev, &vp9_transform_mode, vp9_ctx->cur.tx_mode);
 570
 571         hantro_reg_write(ctx->dev, &vp9_mcomp_filt_type, intra_only ?
 572                 0 : hantro_interp_filter_from_v4l2(dec_params->interpolation_filter));
 573
 574         hantro_reg_write(ctx->dev, &vp9_high_prec_mv_e,
 575                          !!(dec_params->flags & V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV));
 576
 577         hantro_reg_write(ctx->dev, &vp9_comp_pred_mode, dec_params->reference_mode);
 578
 579         hantro_reg_write(ctx->dev, &g2_tempor_mvp_e,
 580                          !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
 581                          !(dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME) &&
 582                          !(vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME) &&
 583                          !(dec_params->flags & V4L2_VP9_FRAME_FLAG_INTRA_ONLY) &&
 584                          !resolution_change &&
 585                          vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_SHOW_FRAME
 586         );
 587
 588         hantro_reg_write(ctx->dev, &g2_write_mvs_e,
 589                          !(dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME));
 590 }
 591
 592 static void
 593 config_compound_reference(struct hantro_ctx *ctx,
 594                           const struct v4l2_ctrl_vp9_frame *dec_params)
 595 {
 596         u32 comp_fixed_ref, comp_var_ref[2];
 597         bool last_ref_frame_sign_bias;
 598         bool golden_ref_frame_sign_bias;
 599         bool alt_ref_frame_sign_bias;
 600         bool comp_ref_allowed = 0;
 601
 602         comp_fixed_ref = 0;
 603         comp_var_ref[0] = 0;
 604         comp_var_ref[1] = 0;
 605
 606         last_ref_frame_sign_bias = dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_LAST;
 607         golden_ref_frame_sign_bias = dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_GOLDEN;
 608         alt_ref_frame_sign_bias = dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_ALT;
 609
 610         /* 6.3.12 Frame reference mode syntax */
 611         comp_ref_allowed |= golden_ref_frame_sign_bias != last_ref_frame_sign_bias;
 612         comp_ref_allowed |= alt_ref_frame_sign_bias != last_ref_frame_sign_bias;
 613
 614         if (comp_ref_allowed) {
 615                 if (last_ref_frame_sign_bias ==
 616                     golden_ref_frame_sign_bias) {
 617                         comp_fixed_ref = ALTREF_FRAME;
 618                         comp_var_ref[0] = LAST_FRAME;
 619                         comp_var_ref[1] = GOLDEN_FRAME;
 620                 } else if (last_ref_frame_sign_bias ==
 621                            alt_ref_frame_sign_bias) {
 622                         comp_fixed_ref = GOLDEN_FRAME;
 623                         comp_var_ref[0] = LAST_FRAME;
 624                         comp_var_ref[1] = ALTREF_FRAME;
 625                 } else {
 626                         comp_fixed_ref = LAST_FRAME;
 627                         comp_var_ref[0] = GOLDEN_FRAME;
 628                         comp_var_ref[1] = ALTREF_FRAME;
 629                 }
 630         }
 631
 632         hantro_reg_write(ctx->dev, &vp9_comp_pred_fixed_ref, comp_fixed_ref);
 633         hantro_reg_write(ctx->dev, &vp9_comp_pred_var_ref0, comp_var_ref[0]);
 634         hantro_reg_write(ctx->dev, &vp9_comp_pred_var_ref1, comp_var_ref[1]);
 635 }
 636
 637 #define INNER_LOOP \
 638 do {                                                                    \
 639         for (m = 0; m < ARRAY_SIZE(adaptive->coef[0][0][0][0]); ++m) {  \
 640                 memcpy(adaptive->coef[i][j][k][l][m],                   \
 641                        probs->coef[i][j][k][l][m],                      \
 642                        sizeof(probs->coef[i][j][k][l][m]));             \
 643                                                                         \
 644                 adaptive->coef[i][j][k][l][m][3] = 0;                   \
 645         }                                                               \
 646 } while (0)
 647
 648 static void config_probs(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
 649 {
 650         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 651         struct hantro_aux_buf *misc = &vp9_ctx->misc;
 652         struct hantro_g2_all_probs *all_probs = misc->cpu;
 653         struct hantro_g2_probs *adaptive;
 654         struct hantro_g2_mv_probs *mv;
 655         const struct v4l2_vp9_segmentation *seg = &dec_params->seg;
 656         const struct v4l2_vp9_frame_context *probs = &vp9_ctx->probability_tables;
 657         int i, j, k, l, m;
 658
 659         for (i = 0; i < ARRAY_SIZE(all_probs->kf_y_mode_prob); ++i)
 660                 for (j = 0; j < ARRAY_SIZE(all_probs->kf_y_mode_prob[0]); ++j) {
 661                         memcpy(all_probs->kf_y_mode_prob[i][j],
 662                                v4l2_vp9_kf_y_mode_prob[i][j],
 663                                ARRAY_SIZE(all_probs->kf_y_mode_prob[i][j]));
 664
 665                         all_probs->kf_y_mode_prob_tail[i][j][0] =
 666                                 v4l2_vp9_kf_y_mode_prob[i][j][8];
 667                 }
 668
 669         memcpy(all_probs->mb_segment_tree_probs, seg->tree_probs,
 670                sizeof(all_probs->mb_segment_tree_probs));
 671
 672         memcpy(all_probs->segment_pred_probs, seg->pred_probs,
 673                sizeof(all_probs->segment_pred_probs));
 674
 675         for (i = 0; i < ARRAY_SIZE(all_probs->kf_uv_mode_prob); ++i) {
 676                 memcpy(all_probs->kf_uv_mode_prob[i], v4l2_vp9_kf_uv_mode_prob[i],
 677                        ARRAY_SIZE(all_probs->kf_uv_mode_prob[i]));
 678
 679                 all_probs->kf_uv_mode_prob_tail[i][0] = v4l2_vp9_kf_uv_mode_prob[i][8];
 680         }
 681
 682         adaptive = &all_probs->probs;
 683
 684         for (i = 0; i < ARRAY_SIZE(adaptive->inter_mode); ++i) {
 685                 memcpy(adaptive->inter_mode[i], probs->inter_mode[i],
 686                        ARRAY_SIZE(probs->inter_mode[i]));
 687
 688                 adaptive->inter_mode[i][3] = 0;
 689         }
 690
 691         memcpy(adaptive->is_inter, probs->is_inter, sizeof(adaptive->is_inter));
 692
 693         for (i = 0; i < ARRAY_SIZE(adaptive->uv_mode); ++i) {
 694                 memcpy(adaptive->uv_mode[i], probs->uv_mode[i],
 695                        sizeof(adaptive->uv_mode[i]));
 696                 adaptive->uv_mode_tail[i][0] = probs->uv_mode[i][8];
 697         }
 698
 699         memcpy(adaptive->tx8, probs->tx8, sizeof(adaptive->tx8));
 700         memcpy(adaptive->tx16, probs->tx16, sizeof(adaptive->tx16));
 701         memcpy(adaptive->tx32, probs->tx32, sizeof(adaptive->tx32));
 702
 703         for (i = 0; i < ARRAY_SIZE(adaptive->y_mode); ++i) {
 704                 memcpy(adaptive->y_mode[i], probs->y_mode[i],
 705                        ARRAY_SIZE(adaptive->y_mode[i]));
 706
 707                 adaptive->y_mode_tail[i][0] = probs->y_mode[i][8];
 708         }
 709
 710         for (i = 0; i < ARRAY_SIZE(adaptive->partition[0]); ++i) {
 711                 memcpy(adaptive->partition[0][i], v4l2_vp9_kf_partition_probs[i],
 712                        sizeof(v4l2_vp9_kf_partition_probs[i]));
 713
 714                 adaptive->partition[0][i][3] = 0;
 715         }
 716
 717         for (i = 0; i < ARRAY_SIZE(adaptive->partition[1]); ++i) {
 718                 memcpy(adaptive->partition[1][i], probs->partition[i],
 719                        sizeof(probs->partition[i]));
 720
 721                 adaptive->partition[1][i][3] = 0;
 722         }
 723
 724         memcpy(adaptive->interp_filter, probs->interp_filter,
 725                sizeof(adaptive->interp_filter));
 726
 727         memcpy(adaptive->comp_mode, probs->comp_mode, sizeof(adaptive->comp_mode));
 728
 729         memcpy(adaptive->skip, probs->skip, sizeof(adaptive->skip));
 730
 731         mv = &adaptive->mv;
 732
 733         memcpy(mv->joint, probs->mv.joint, sizeof(mv->joint));
 734         memcpy(mv->sign, probs->mv.sign, sizeof(mv->sign));
 735         memcpy(mv->class0_bit, probs->mv.class0_bit, sizeof(mv->class0_bit));
 736         memcpy(mv->fr, probs->mv.fr, sizeof(mv->fr));
 737         memcpy(mv->class0_hp, probs->mv.class0_hp, sizeof(mv->class0_hp));
 738         memcpy(mv->hp, probs->mv.hp, sizeof(mv->hp));
 739         memcpy(mv->classes, probs->mv.classes, sizeof(mv->classes));
 740         memcpy(mv->class0_fr, probs->mv.class0_fr, sizeof(mv->class0_fr));
 741         memcpy(mv->bits, probs->mv.bits, sizeof(mv->bits));
 742
 743         memcpy(adaptive->single_ref, probs->single_ref, sizeof(adaptive->single_ref));
 744
 745         memcpy(adaptive->comp_ref, probs->comp_ref, sizeof(adaptive->comp_ref));
 746
 747         for (i = 0; i < ARRAY_SIZE(adaptive->coef); ++i)
 748                 for (j = 0; j < ARRAY_SIZE(adaptive->coef[0]); ++j)
 749                         for (k = 0; k < ARRAY_SIZE(adaptive->coef[0][0]); ++k)
 750                                 for (l = 0; l < ARRAY_SIZE(adaptive->coef[0][0][0]); ++l)
 751                                         INNER_LOOP;
 752
 753         hantro_write_addr(ctx->dev, G2_VP9_PROBS_ADDR, misc->dma);
 754 }
 755
 756 static void config_counts(struct hantro_ctx *ctx)
 757 {
 758         struct hantro_vp9_dec_hw_ctx *vp9_dec = &ctx->vp9_dec;
 759         struct hantro_aux_buf *misc = &vp9_dec->misc;
 760         dma_addr_t addr = misc->dma + vp9_dec->ctx_counters_offset;
 761
 762         hantro_write_addr(ctx->dev, G2_VP9_CTX_COUNT_ADDR, addr);
 763 }
 764
 765 static void config_seg_map(struct hantro_ctx *ctx,
 766                            const struct v4l2_ctrl_vp9_frame *dec_params,
 767                            bool intra_only, bool update_map)
 768 {
 769         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 770         struct hantro_aux_buf *segment_map = &vp9_ctx->segment_map;
 771         dma_addr_t addr;
 772
 773         if (intra_only ||
 774             (dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT)) {
 775                 memset(segment_map->cpu, 0, segment_map->size);
 776                 memset(vp9_ctx->feature_data, 0, sizeof(vp9_ctx->feature_data));
 777                 memset(vp9_ctx->feature_enabled, 0, sizeof(vp9_ctx->feature_enabled));
 778         }
 779
 780         addr = segment_map->dma + vp9_ctx->active_segment * vp9_ctx->segment_map_size;
 781         hantro_write_addr(ctx->dev, G2_VP9_SEGMENT_READ_ADDR, addr);
 782
 783         addr = segment_map->dma + (1 - vp9_ctx->active_segment) * vp9_ctx->segment_map_size;
 784         hantro_write_addr(ctx->dev, G2_VP9_SEGMENT_WRITE_ADDR, addr);
 785
 786         if (update_map)
 787                 vp9_ctx->active_segment = 1 - vp9_ctx->active_segment;
 788 }
 789
 790 static void
 791 config_source(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params,
 792               struct vb2_v4l2_buffer *vb2_src)
 793 {
 794         dma_addr_t stream_base, tmp_addr;
 795         unsigned int headres_size;
 796         u32 src_len, start_bit, src_buf_len;
 797
 798         headres_size = dec_params->uncompressed_header_size
 799                      + dec_params->compressed_header_size;
 800
 801         stream_base = vb2_dma_contig_plane_dma_addr(&vb2_src->vb2_buf, 0);
 802
 803         tmp_addr = stream_base + headres_size;
 804         if (ctx->dev->variant->legacy_regs)
 805                 hantro_write_addr(ctx->dev, G2_STREAM_ADDR, (tmp_addr & ~0xf));
 806         else
 807                 hantro_write_addr(ctx->dev, G2_STREAM_ADDR, stream_base);
 808
 809         start_bit = (tmp_addr & 0xf) * 8;
 810         hantro_reg_write(ctx->dev, &g2_start_bit, start_bit);
 811
 812         src_len = vb2_get_plane_payload(&vb2_src->vb2_buf, 0);
 813         src_len += start_bit / 8 - headres_size;
 814         hantro_reg_write(ctx->dev, &g2_stream_len, src_len);
 815
 816         if (!ctx->dev->variant->legacy_regs) {
 817                 tmp_addr &= ~0xf;
 818                 hantro_reg_write(ctx->dev, &g2_strm_start_offset, tmp_addr - stream_base);
 819                 src_buf_len = vb2_plane_size(&vb2_src->vb2_buf, 0);
 820                 hantro_reg_write(ctx->dev, &g2_strm_buffer_len, src_buf_len);
 821         }
 822 }
 823
 824 static void
 825 config_registers(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params,
 826                  struct vb2_v4l2_buffer *vb2_src, struct vb2_v4l2_buffer *vb2_dst)
 827 {
 828         struct hantro_decoded_buffer *dst, *last, *mv_ref;
 829         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 830         const struct v4l2_vp9_segmentation *seg;
 831         bool intra_only, resolution_change;
 832
 833         /* vp9 stuff */
 834         dst = vb2_to_hantro_decoded_buf(&vb2_dst->vb2_buf);
 835
 836         if (vp9_ctx->last.valid)
 837                 last = get_ref_buf(ctx, &dst->base.vb, vp9_ctx->last.timestamp);
 838         else
 839                 last = dst;
 840
 841         update_dec_buf_info(dst, dec_params);
 842         update_ctx_cur_info(vp9_ctx, dst, dec_params);
 843         seg = &dec_params->seg;
 844
 845         intra_only = !!(dec_params->flags &
 846                         (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
 847                         V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
 848
 849         if (!intra_only &&
 850             !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
 851             vp9_ctx->last.valid)
 852                 mv_ref = last;
 853         else
 854                 mv_ref = dst;
 855
 856         resolution_change = dst->vp9.width != last->vp9.width ||
 857                             dst->vp9.height != last->vp9.height;
 858
 859         /* configure basic registers */
 860         hantro_reg_write(ctx->dev, &g2_mode, VP9_DEC_MODE);
 861         if (!ctx->dev->variant->legacy_regs) {
 862                 hantro_reg_write(ctx->dev, &g2_strm_swap, 0xf);
 863                 hantro_reg_write(ctx->dev, &g2_dirmv_swap, 0xf);
 864                 hantro_reg_write(ctx->dev, &g2_compress_swap, 0xf);
 865                 hantro_reg_write(ctx->dev, &g2_ref_compress_bypass, 1);
 866         } else {
 867                 hantro_reg_write(ctx->dev, &g2_strm_swap_old, 0x1f);
 868                 hantro_reg_write(ctx->dev, &g2_pic_swap, 0x10);
 869                 hantro_reg_write(ctx->dev, &g2_dirmv_swap_old, 0x10);
 870                 hantro_reg_write(ctx->dev, &g2_tab0_swap_old, 0x10);
 871                 hantro_reg_write(ctx->dev, &g2_tab1_swap_old, 0x10);
 872                 hantro_reg_write(ctx->dev, &g2_tab2_swap_old, 0x10);
 873                 hantro_reg_write(ctx->dev, &g2_tab3_swap_old, 0x10);
 874                 hantro_reg_write(ctx->dev, &g2_rscan_swap, 0x10);
 875         }
 876         hantro_reg_write(ctx->dev, &g2_buswidth, BUS_WIDTH_128);
 877         hantro_reg_write(ctx->dev, &g2_max_burst, 16);
 878         hantro_reg_write(ctx->dev, &g2_apf_threshold, 8);
 879         hantro_reg_write(ctx->dev, &g2_clk_gate_e, 1);
 880         hantro_reg_write(ctx->dev, &g2_max_cb_size, 6);
 881         hantro_reg_write(ctx->dev, &g2_min_cb_size, 3);
 882         if (ctx->dev->variant->double_buffer)
 883                 hantro_reg_write(ctx->dev, &g2_double_buffer_e, 1);
 884
 885         config_output(ctx, dst, dec_params);
 886
 887         if (!intra_only)
 888                 config_ref_registers(ctx, dec_params, dst, mv_ref);
 889
 890         config_tiles(ctx, dec_params, dst);
 891         config_segment(ctx, dec_params);
 892         config_loop_filter(ctx, dec_params);
 893         config_picture_dimensions(ctx, dst);
 894         config_bit_depth(ctx, dec_params);
 895         config_quant(ctx, dec_params);
 896         config_others(ctx, dec_params, intra_only, resolution_change);
 897         config_compound_reference(ctx, dec_params);
 898         config_probs(ctx, dec_params);
 899         config_counts(ctx);
 900         config_seg_map(ctx, dec_params, intra_only,
 901                        seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP);
 902         config_source(ctx, dec_params, vb2_src);
 903 }
 904
 905 int hantro_g2_vp9_dec_run(struct hantro_ctx *ctx)
 906 {
 907         const struct v4l2_ctrl_vp9_frame *decode_params;
 908         struct vb2_v4l2_buffer *src;
 909         struct vb2_v4l2_buffer *dst;
 910         int ret;
 911
 912         hantro_g2_check_idle(ctx->dev);
 913
 914         ret = start_prepare_run(ctx, &decode_params);
 915         if (ret) {
 916                 hantro_end_prepare_run(ctx);
 917                 return ret;
 918         }
 919
 920         src = hantro_get_src_buf(ctx);
 921         dst = hantro_get_dst_buf(ctx);
 922
 923         config_registers(ctx, decode_params, src, dst);
 924
 925         hantro_end_prepare_run(ctx);
 926
 927         vdpu_write(ctx->dev, G2_REG_INTERRUPT_DEC_E, G2_REG_INTERRUPT);
 928
 929         return 0;
 930 }
 931
 932 #define copy_tx_and_skip(p1, p2)                                \
 933 do {                                                            \
 934         memcpy((p1)->tx8, (p2)->tx8, sizeof((p1)->tx8));        \
 935         memcpy((p1)->tx16, (p2)->tx16, sizeof((p1)->tx16));     \
 936         memcpy((p1)->tx32, (p2)->tx32, sizeof((p1)->tx32));     \
 937         memcpy((p1)->skip, (p2)->skip, sizeof((p1)->skip));     \
 938 } while (0)
 939
 940 void hantro_g2_vp9_dec_done(struct hantro_ctx *ctx)
 941 {
 942         struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
 943         unsigned int fctx_idx;
 944
 945         if (!(vp9_ctx->cur.flags & V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX))
 946                 goto out_update_last;
 947
 948         fctx_idx = vp9_ctx->cur.frame_context_idx;
 949
 950         if (!(vp9_ctx->cur.flags & V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE)) {
 951                 /* error_resilient_mode == 0 && frame_parallel_decoding_mode == 0 */
 952                 struct v4l2_vp9_frame_context *probs = &vp9_ctx->probability_tables;
 953                 bool frame_is_intra = vp9_ctx->cur.flags &
 954                     (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY);
 955                 struct tx_and_skip {
 956                         u8 tx8[2][1];
 957                         u8 tx16[2][2];
 958                         u8 tx32[2][3];
 959                         u8 skip[3];
 960                 } _tx_skip, *tx_skip = &_tx_skip;
 961                 struct v4l2_vp9_frame_symbol_counts *counts;
 962                 struct symbol_counts *hantro_cnts;
 963                 u32 tx16p[2][4];
 964                 int i;
 965
 966                 /* buffer the forward-updated TX and skip probs */
 967                 if (frame_is_intra)
 968                         copy_tx_and_skip(tx_skip, probs);
 969
 970                 /* 6.1.2 refresh_probs(): load_probs() and load_probs2() */
 971                 *probs = vp9_ctx->frame_context[fctx_idx];
 972
 973                 /* if FrameIsIntra then undo the effect of load_probs2() */
 974                 if (frame_is_intra)
 975                         copy_tx_and_skip(probs, tx_skip);
 976
 977                 counts = &vp9_ctx->cnts;
 978                 hantro_cnts = vp9_ctx->misc.cpu + vp9_ctx->ctx_counters_offset;
 979                 for (i = 0; i < ARRAY_SIZE(tx16p); ++i) {
 980                         memcpy(tx16p[i],
 981                                hantro_cnts->tx16x16_count[i],
 982                                sizeof(hantro_cnts->tx16x16_count[0]));
 983                         tx16p[i][3] = 0;
 984                 }
 985                 counts->tx16p = &tx16p;
 986
 987                 v4l2_vp9_adapt_coef_probs(probs, counts,
 988                                           !vp9_ctx->last.valid ||
 989                                           vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME,
 990                                           frame_is_intra);
 991
 992                 if (!frame_is_intra) {
 993                         /* load_probs2() already done */
 994                         u32 mv_mode[7][4];
 995
 996                         for (i = 0; i < ARRAY_SIZE(mv_mode); ++i) {
 997                                 mv_mode[i][0] = hantro_cnts->inter_mode_counts[i][1][0];
 998                                 mv_mode[i][1] = hantro_cnts->inter_mode_counts[i][2][0];
 999                                 mv_mode[i][2] = hantro_cnts->inter_mode_counts[i][0][0];
1000                                 mv_mode[i][3] = hantro_cnts->inter_mode_counts[i][2][1];
1001                         }
1002                         counts->mv_mode = &mv_mode;
1003                         v4l2_vp9_adapt_noncoef_probs(&vp9_ctx->probability_tables, counts,
1004                                                      vp9_ctx->cur.reference_mode,
1005                                                      vp9_ctx->cur.interpolation_filter,
1006                                                      vp9_ctx->cur.tx_mode, vp9_ctx->cur.flags);
1007                 }
1008         }
1009
1010         vp9_ctx->frame_context[fctx_idx] = vp9_ctx->probability_tables;
1011
1012 out_update_last:
1013         vp9_ctx->last = vp9_ctx->cur;
1014 }