linux/drivers/staging/media/rkvdec/rkvdec-h264.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Rockchip Video Decoder H264 backend
   4 *
   5 * Copyright (C) 2019 Collabora, Ltd.
   6 *      Boris Brezillon <boris.brezillon@collabora.com>
   7 *
   8 * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
   9 *      Jeffy Chen <jeffy.chen@rock-chips.com>
  10 */
  11
  12#include <media/v4l2-h264.h>
  13#include <media/v4l2-mem2mem.h>
  14
  15#include "rkvdec.h"
  16#include "rkvdec-regs.h"
  17
  18/* Size with u32 units. */
  19#define RKV_CABAC_INIT_BUFFER_SIZE      (3680 + 128)
  20#define RKV_RPS_SIZE                    ((128 + 128) / 4)
  21#define RKV_ERROR_INFO_SIZE             (256 * 144 * 4)
  22
  23#define RKVDEC_NUM_REFLIST              3
  24
  25struct rkvdec_h264_scaling_list {
  26        u8 scaling_list_4x4[6][16];
  27        u8 scaling_list_8x8[6][64];
  28        u8 padding[128];
  29};
  30
  31struct rkvdec_sps_pps_packet {
  32        u32 info[8];
  33};
  34
  35struct rkvdec_ps_field {
  36        u16 offset;
  37        u8 len;
  38};
  39
  40#define PS_FIELD(_offset, _len) \
  41        ((struct rkvdec_ps_field){ _offset, _len })
  42
  43#define SEQ_PARAMETER_SET_ID                            PS_FIELD(0, 4)
  44#define PROFILE_IDC                                     PS_FIELD(4, 8)
  45#define CONSTRAINT_SET3_FLAG                            PS_FIELD(12, 1)
  46#define CHROMA_FORMAT_IDC                               PS_FIELD(13, 2)
  47#define BIT_DEPTH_LUMA                                  PS_FIELD(15, 3)
  48#define BIT_DEPTH_CHROMA                                PS_FIELD(18, 3)
  49#define QPPRIME_Y_ZERO_TRANSFORM_BYPASS_FLAG            PS_FIELD(21, 1)
  50#define LOG2_MAX_FRAME_NUM_MINUS4                       PS_FIELD(22, 4)
  51#define MAX_NUM_REF_FRAMES                              PS_FIELD(26, 5)
  52#define PIC_ORDER_CNT_TYPE                              PS_FIELD(31, 2)
  53#define LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4               PS_FIELD(33, 4)
  54#define DELTA_PIC_ORDER_ALWAYS_ZERO_FLAG                PS_FIELD(37, 1)
  55#define PIC_WIDTH_IN_MBS                                PS_FIELD(38, 9)
  56#define PIC_HEIGHT_IN_MBS                               PS_FIELD(47, 9)
  57#define FRAME_MBS_ONLY_FLAG                             PS_FIELD(56, 1)
  58#define MB_ADAPTIVE_FRAME_FIELD_FLAG                    PS_FIELD(57, 1)
  59#define DIRECT_8X8_INFERENCE_FLAG                       PS_FIELD(58, 1)
  60#define MVC_EXTENSION_ENABLE                            PS_FIELD(59, 1)
  61#define NUM_VIEWS                                       PS_FIELD(60, 2)
  62#define VIEW_ID(i)                                      PS_FIELD(62 + ((i) * 10), 10)
  63#define NUM_ANCHOR_REFS_L(i)                            PS_FIELD(82 + ((i) * 11), 1)
  64#define ANCHOR_REF_L(i)                         PS_FIELD(83 + ((i) * 11), 10)
  65#define NUM_NON_ANCHOR_REFS_L(i)                        PS_FIELD(104 + ((i) * 11), 1)
  66#define NON_ANCHOR_REFS_L(i)                            PS_FIELD(105 + ((i) * 11), 10)
  67#define PIC_PARAMETER_SET_ID                            PS_FIELD(128, 8)
  68#define PPS_SEQ_PARAMETER_SET_ID                        PS_FIELD(136, 5)
  69#define ENTROPY_CODING_MODE_FLAG                        PS_FIELD(141, 1)
  70#define BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT_FLAG    PS_FIELD(142, 1)
  71#define NUM_REF_IDX_L_DEFAULT_ACTIVE_MINUS1(i)          PS_FIELD(143 + ((i) * 5), 5)
  72#define WEIGHTED_PRED_FLAG                              PS_FIELD(153, 1)
  73#define WEIGHTED_BIPRED_IDC                             PS_FIELD(154, 2)
  74#define PIC_INIT_QP_MINUS26                             PS_FIELD(156, 7)
  75#define PIC_INIT_QS_MINUS26                             PS_FIELD(163, 6)
  76#define CHROMA_QP_INDEX_OFFSET                          PS_FIELD(169, 5)
  77#define DEBLOCKING_FILTER_CONTROL_PRESENT_FLAG          PS_FIELD(174, 1)
  78#define CONSTRAINED_INTRA_PRED_FLAG                     PS_FIELD(175, 1)
  79#define REDUNDANT_PIC_CNT_PRESENT                       PS_FIELD(176, 1)
  80#define TRANSFORM_8X8_MODE_FLAG                 PS_FIELD(177, 1)
  81#define SECOND_CHROMA_QP_INDEX_OFFSET                   PS_FIELD(178, 5)
  82#define SCALING_LIST_ENABLE_FLAG                        PS_FIELD(183, 1)
  83#define SCALING_LIST_ADDRESS                            PS_FIELD(184, 32)
  84#define IS_LONG_TERM(i)                         PS_FIELD(216 + (i), 1)
  85
  86#define DPB_OFFS(i, j)                                  (288 + ((j) * 32 * 7) + ((i) * 7))
  87#define DPB_INFO(i, j)                                  PS_FIELD(DPB_OFFS(i, j), 5)
  88#define BOTTOM_FLAG(i, j)                               PS_FIELD(DPB_OFFS(i, j) + 5, 1)
  89#define VIEW_INDEX_OFF(i, j)                            PS_FIELD(DPB_OFFS(i, j) + 6, 1)
  90
  91/* Data structure describing auxiliary buffer format. */
  92struct rkvdec_h264_priv_tbl {
  93        s8 cabac_table[4][464][2];
  94        struct rkvdec_h264_scaling_list scaling_list;
  95        u32 rps[RKV_RPS_SIZE];
  96        struct rkvdec_sps_pps_packet param_set[256];
  97        u8 err_info[RKV_ERROR_INFO_SIZE];
  98};
  99
 100#define RKVDEC_H264_DPB_SIZE 16
 101
 102struct rkvdec_h264_reflists {
 103        u8 p[RKVDEC_H264_DPB_SIZE];
 104        u8 b0[RKVDEC_H264_DPB_SIZE];
 105        u8 b1[RKVDEC_H264_DPB_SIZE];
 106        u8 num_valid;
 107};
 108
 109struct rkvdec_h264_run {
 110        struct rkvdec_run base;
 111        const struct v4l2_ctrl_h264_decode_params *decode_params;
 112        const struct v4l2_ctrl_h264_sps *sps;
 113        const struct v4l2_ctrl_h264_pps *pps;
 114        const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix;
 115};
 116
 117struct rkvdec_h264_ctx {
 118        struct rkvdec_aux_buf priv_tbl;
 119        struct rkvdec_h264_reflists reflists;
 120};
 121
 122#define CABAC_ENTRY(ctxidx, idc0_m, idc0_n, idc1_m, idc1_n,             \
 123            idc2_m, idc2_n, intra_m, intra_n)                   \
 124        [0][(ctxidx)] = {idc0_m, idc0_n},                       \
 125        [1][(ctxidx)] = {idc1_m, idc1_n},                       \
 126        [2][(ctxidx)] = {idc2_m, idc2_n},                       \
 127        [3][(ctxidx)] = {intra_m, intra_n}
 128
 129/*
 130 * Constant CABAC table.
 131 * Built from the tables described in section '9.3.1.1 Initialisation process
 132 * for context variables' of the H264 spec.
 133 */
 134static const s8 rkvdec_h264_cabac_table[4][464][2] = {
 135        /* Table 9-12 – Values of variables m and n for ctxIdx from 0 to 10 */
 136        CABAC_ENTRY(0, 20, -15, 20, -15, 20, -15, 20, -15),
 137        CABAC_ENTRY(1, 2, 54, 2, 54, 2, 54, 2, 54),
 138        CABAC_ENTRY(2, 3, 74, 3, 74, 3, 74, 3, 74),
 139        CABAC_ENTRY(3, 20, -15, 20, -15, 20, -15, 20, -15),
 140        CABAC_ENTRY(4, 2, 54, 2, 54, 2, 54, 2, 54),
 141        CABAC_ENTRY(5, 3, 74, 3, 74, 3, 74, 3, 74),
 142        CABAC_ENTRY(6, -28, 127, -28, 127, -28, 127, -28, 127),
 143        CABAC_ENTRY(7, -23, 104, -23, 104, -23, 104, -23, 104),
 144        CABAC_ENTRY(8, -6, 53, -6, 53, -6, 53, -6, 53),
 145        CABAC_ENTRY(9, -1, 54, -1, 54, -1, 54, -1, 54),
 146        CABAC_ENTRY(10, 7, 51, 7, 51, 7, 51, 7, 51),
 147
 148        /* Table 9-13 – Values of variables m and n for ctxIdx from 11 to 23 */
 149        CABAC_ENTRY(11, 23, 33, 22, 25, 29, 16, 0, 0),
 150        CABAC_ENTRY(12, 23, 2, 34, 0, 25, 0, 0, 0),
 151        CABAC_ENTRY(13, 21, 0, 16, 0, 14, 0, 0, 0),
 152        CABAC_ENTRY(14, 1, 9, -2, 9, -10, 51, 0, 0),
 153        CABAC_ENTRY(15, 0, 49, 4, 41, -3, 62, 0, 0),
 154        CABAC_ENTRY(16, -37, 118, -29, 118, -27, 99, 0, 0),
 155        CABAC_ENTRY(17, 5, 57, 2, 65, 26, 16, 0, 0),
 156        CABAC_ENTRY(18, -13, 78, -6, 71, -4, 85, 0, 0),
 157        CABAC_ENTRY(19, -11, 65, -13, 79, -24, 102, 0, 0),
 158        CABAC_ENTRY(20, 1, 62, 5, 52, 5, 57, 0, 0),
 159        CABAC_ENTRY(21, 12, 49, 9, 50, 6, 57, 0, 0),
 160        CABAC_ENTRY(22, -4, 73, -3, 70, -17, 73, 0, 0),
 161        CABAC_ENTRY(23, 17, 50, 10, 54, 14, 57, 0, 0),
 162
 163        /* Table 9-14 – Values of variables m and n for ctxIdx from 24 to 39 */
 164        CABAC_ENTRY(24, 18, 64, 26, 34, 20, 40, 0, 0),
 165        CABAC_ENTRY(25, 9, 43, 19, 22, 20, 10, 0, 0),
 166        CABAC_ENTRY(26, 29, 0, 40, 0, 29, 0, 0, 0),
 167        CABAC_ENTRY(27, 26, 67, 57, 2, 54, 0, 0, 0),
 168        CABAC_ENTRY(28, 16, 90, 41, 36, 37, 42, 0, 0),
 169        CABAC_ENTRY(29, 9, 104, 26, 69, 12, 97, 0, 0),
 170        CABAC_ENTRY(30, -46, 127, -45, 127, -32, 127, 0, 0),
 171        CABAC_ENTRY(31, -20, 104, -15, 101, -22, 117, 0, 0),
 172        CABAC_ENTRY(32, 1, 67, -4, 76, -2, 74, 0, 0),
 173        CABAC_ENTRY(33, -13, 78, -6, 71, -4, 85, 0, 0),
 174        CABAC_ENTRY(34, -11, 65, -13, 79, -24, 102, 0, 0),
 175        CABAC_ENTRY(35, 1, 62, 5, 52, 5, 57, 0, 0),
 176        CABAC_ENTRY(36, -6, 86, 6, 69, -6, 93, 0, 0),
 177        CABAC_ENTRY(37, -17, 95, -13, 90, -14, 88, 0, 0),
 178        CABAC_ENTRY(38, -6, 61, 0, 52, -6, 44, 0, 0),
 179        CABAC_ENTRY(39, 9, 45, 8, 43, 4, 55, 0, 0),
 180
 181        /* Table 9-15 – Values of variables m and n for ctxIdx from 40 to 53 */
 182        CABAC_ENTRY(40, -3, 69, -2, 69, -11, 89, 0, 0),
 183        CABAC_ENTRY(41, -6, 81, -5, 82, -15, 103, 0, 0),
 184        CABAC_ENTRY(42, -11, 96, -10, 96, -21, 116, 0, 0),
 185        CABAC_ENTRY(43, 6, 55, 2, 59, 19, 57, 0, 0),
 186        CABAC_ENTRY(44, 7, 67, 2, 75, 20, 58, 0, 0),
 187        CABAC_ENTRY(45, -5, 86, -3, 87, 4, 84, 0, 0),
 188        CABAC_ENTRY(46, 2, 88, -3, 100, 6, 96, 0, 0),
 189        CABAC_ENTRY(47, 0, 58, 1, 56, 1, 63, 0, 0),
 190        CABAC_ENTRY(48, -3, 76, -3, 74, -5, 85, 0, 0),
 191        CABAC_ENTRY(49, -10, 94, -6, 85, -13, 106, 0, 0),
 192        CABAC_ENTRY(50, 5, 54, 0, 59, 5, 63, 0, 0),
 193        CABAC_ENTRY(51, 4, 69, -3, 81, 6, 75, 0, 0),
 194        CABAC_ENTRY(52, -3, 81, -7, 86, -3, 90, 0, 0),
 195        CABAC_ENTRY(53, 0, 88, -5, 95, -1, 101, 0, 0),
 196
 197        /* Table 9-16 – Values of variables m and n for ctxIdx from 54 to 59 */
 198        CABAC_ENTRY(54, -7, 67, -1, 66, 3, 55, 0, 0),
 199        CABAC_ENTRY(55, -5, 74, -1, 77, -4, 79, 0, 0),
 200        CABAC_ENTRY(56, -4, 74, 1, 70, -2, 75, 0, 0),
 201        CABAC_ENTRY(57, -5, 80, -2, 86, -12, 97, 0, 0),
 202        CABAC_ENTRY(58, -7, 72, -5, 72, -7, 50, 0, 0),
 203        CABAC_ENTRY(59, 1, 58, 0, 61, 1, 60, 0, 0),
 204
 205        /* Table 9-17 – Values of variables m and n for ctxIdx from 60 to 69 */
 206        CABAC_ENTRY(60, 0, 41, 0, 41, 0, 41, 0, 41),
 207        CABAC_ENTRY(61, 0, 63, 0, 63, 0, 63, 0, 63),
 208        CABAC_ENTRY(62, 0, 63, 0, 63, 0, 63, 0, 63),
 209        CABAC_ENTRY(63, 0, 63, 0, 63, 0, 63, 0, 63),
 210        CABAC_ENTRY(64, -9, 83, -9, 83, -9, 83, -9, 83),
 211        CABAC_ENTRY(65, 4, 86, 4, 86, 4, 86, 4, 86),
 212        CABAC_ENTRY(66, 0, 97, 0, 97, 0, 97, 0, 97),
 213        CABAC_ENTRY(67, -7, 72, -7, 72, -7, 72, -7, 72),
 214        CABAC_ENTRY(68, 13, 41, 13, 41, 13, 41, 13, 41),
 215        CABAC_ENTRY(69, 3, 62, 3, 62, 3, 62, 3, 62),
 216
 217        /* Table 9-18 – Values of variables m and n for ctxIdx from 70 to 104 */
 218        CABAC_ENTRY(70, 0, 45, 13, 15, 7, 34, 0, 11),
 219        CABAC_ENTRY(71, -4, 78, 7, 51, -9, 88, 1, 55),
 220        CABAC_ENTRY(72, -3, 96, 2, 80, -20, 127, 0, 69),
 221        CABAC_ENTRY(73, -27, 126, -39, 127, -36, 127, -17, 127),
 222        CABAC_ENTRY(74, -28, 98, -18, 91, -17, 91, -13, 102),
 223        CABAC_ENTRY(75, -25, 101, -17, 96, -14, 95, 0, 82),
 224        CABAC_ENTRY(76, -23, 67, -26, 81, -25, 84, -7, 74),
 225        CABAC_ENTRY(77, -28, 82, -35, 98, -25, 86, -21, 107),
 226        CABAC_ENTRY(78, -20, 94, -24, 102, -12, 89, -27, 127),
 227        CABAC_ENTRY(79, -16, 83, -23, 97, -17, 91, -31, 127),
 228        CABAC_ENTRY(80, -22, 110, -27, 119, -31, 127, -24, 127),
 229        CABAC_ENTRY(81, -21, 91, -24, 99, -14, 76, -18, 95),
 230        CABAC_ENTRY(82, -18, 102, -21, 110, -18, 103, -27, 127),
 231        CABAC_ENTRY(83, -13, 93, -18, 102, -13, 90, -21, 114),
 232        CABAC_ENTRY(84, -29, 127, -36, 127, -37, 127, -30, 127),
 233        CABAC_ENTRY(85, -7, 92, 0, 80, 11, 80, -17, 123),
 234        CABAC_ENTRY(86, -5, 89, -5, 89, 5, 76, -12, 115),
 235        CABAC_ENTRY(87, -7, 96, -7, 94, 2, 84, -16, 122),
 236        CABAC_ENTRY(88, -13, 108, -4, 92, 5, 78, -11, 115),
 237        CABAC_ENTRY(89, -3, 46, 0, 39, -6, 55, -12, 63),
 238        CABAC_ENTRY(90, -1, 65, 0, 65, 4, 61, -2, 68),
 239        CABAC_ENTRY(91, -1, 57, -15, 84, -14, 83, -15, 84),
 240        CABAC_ENTRY(92, -9, 93, -35, 127, -37, 127, -13, 104),
 241        CABAC_ENTRY(93, -3, 74, -2, 73, -5, 79, -3, 70),
 242        CABAC_ENTRY(94, -9, 92, -12, 104, -11, 104, -8, 93),
 243        CABAC_ENTRY(95, -8, 87, -9, 91, -11, 91, -10, 90),
 244        CABAC_ENTRY(96, -23, 126, -31, 127, -30, 127, -30, 127),
 245        CABAC_ENTRY(97, 5, 54, 3, 55, 0, 65, -1, 74),
 246        CABAC_ENTRY(98, 6, 60, 7, 56, -2, 79, -6, 97),
 247        CABAC_ENTRY(99, 6, 59, 7, 55, 0, 72, -7, 91),
 248        CABAC_ENTRY(100, 6, 69, 8, 61, -4, 92, -20, 127),
 249        CABAC_ENTRY(101, -1, 48, -3, 53, -6, 56, -4, 56),
 250        CABAC_ENTRY(102, 0, 68, 0, 68, 3, 68, -5, 82),
 251        CABAC_ENTRY(103, -4, 69, -7, 74, -8, 71, -7, 76),
 252        CABAC_ENTRY(104, -8, 88, -9, 88, -13, 98, -22, 125),
 253
 254        /* Table 9-19 – Values of variables m and n for ctxIdx from 105 to 165 */
 255        CABAC_ENTRY(105, -2, 85, -13, 103, -4, 86, -7, 93),
 256        CABAC_ENTRY(106, -6, 78, -13, 91, -12, 88, -11, 87),
 257        CABAC_ENTRY(107, -1, 75, -9, 89, -5, 82, -3, 77),
 258        CABAC_ENTRY(108, -7, 77, -14, 92, -3, 72, -5, 71),
 259        CABAC_ENTRY(109, 2, 54, -8, 76, -4, 67, -4, 63),
 260        CABAC_ENTRY(110, 5, 50, -12, 87, -8, 72, -4, 68),
 261        CABAC_ENTRY(111, -3, 68, -23, 110, -16, 89, -12, 84),
 262        CABAC_ENTRY(112, 1, 50, -24, 105, -9, 69, -7, 62),
 263        CABAC_ENTRY(113, 6, 42, -10, 78, -1, 59, -7, 65),
 264        CABAC_ENTRY(114, -4, 81, -20, 112, 5, 66, 8, 61),
 265        CABAC_ENTRY(115, 1, 63, -17, 99, 4, 57, 5, 56),
 266        CABAC_ENTRY(116, -4, 70, -78, 127, -4, 71, -2, 66),
 267        CABAC_ENTRY(117, 0, 67, -70, 127, -2, 71, 1, 64),
 268        CABAC_ENTRY(118, 2, 57, -50, 127, 2, 58, 0, 61),
 269        CABAC_ENTRY(119, -2, 76, -46, 127, -1, 74, -2, 78),
 270        CABAC_ENTRY(120, 11, 35, -4, 66, -4, 44, 1, 50),
 271        CABAC_ENTRY(121, 4, 64, -5, 78, -1, 69, 7, 52),
 272        CABAC_ENTRY(122, 1, 61, -4, 71, 0, 62, 10, 35),
 273        CABAC_ENTRY(123, 11, 35, -8, 72, -7, 51, 0, 44),
 274        CABAC_ENTRY(124, 18, 25, 2, 59, -4, 47, 11, 38),
 275        CABAC_ENTRY(125, 12, 24, -1, 55, -6, 42, 1, 45),
 276        CABAC_ENTRY(126, 13, 29, -7, 70, -3, 41, 0, 46),
 277        CABAC_ENTRY(127, 13, 36, -6, 75, -6, 53, 5, 44),
 278        CABAC_ENTRY(128, -10, 93, -8, 89, 8, 76, 31, 17),
 279        CABAC_ENTRY(129, -7, 73, -34, 119, -9, 78, 1, 51),
 280        CABAC_ENTRY(130, -2, 73, -3, 75, -11, 83, 7, 50),
 281        CABAC_ENTRY(131, 13, 46, 32, 20, 9, 52, 28, 19),
 282        CABAC_ENTRY(132, 9, 49, 30, 22, 0, 67, 16, 33),
 283        CABAC_ENTRY(133, -7, 100, -44, 127, -5, 90, 14, 62),
 284        CABAC_ENTRY(134, 9, 53, 0, 54, 1, 67, -13, 108),
 285        CABAC_ENTRY(135, 2, 53, -5, 61, -15, 72, -15, 100),
 286        CABAC_ENTRY(136, 5, 53, 0, 58, -5, 75, -13, 101),
 287        CABAC_ENTRY(137, -2, 61, -1, 60, -8, 80, -13, 91),
 288        CABAC_ENTRY(138, 0, 56, -3, 61, -21, 83, -12, 94),
 289        CABAC_ENTRY(139, 0, 56, -8, 67, -21, 64, -10, 88),
 290        CABAC_ENTRY(140, -13, 63, -25, 84, -13, 31, -16, 84),
 291        CABAC_ENTRY(141, -5, 60, -14, 74, -25, 64, -10, 86),
 292        CABAC_ENTRY(142, -1, 62, -5, 65, -29, 94, -7, 83),
 293        CABAC_ENTRY(143, 4, 57, 5, 52, 9, 75, -13, 87),
 294        CABAC_ENTRY(144, -6, 69, 2, 57, 17, 63, -19, 94),
 295        CABAC_ENTRY(145, 4, 57, 0, 61, -8, 74, 1, 70),
 296        CABAC_ENTRY(146, 14, 39, -9, 69, -5, 35, 0, 72),
 297        CABAC_ENTRY(147, 4, 51, -11, 70, -2, 27, -5, 74),
 298        CABAC_ENTRY(148, 13, 68, 18, 55, 13, 91, 18, 59),
 299        CABAC_ENTRY(149, 3, 64, -4, 71, 3, 65, -8, 102),
 300        CABAC_ENTRY(150, 1, 61, 0, 58, -7, 69, -15, 100),
 301        CABAC_ENTRY(151, 9, 63, 7, 61, 8, 77, 0, 95),
 302        CABAC_ENTRY(152, 7, 50, 9, 41, -10, 66, -4, 75),
 303        CABAC_ENTRY(153, 16, 39, 18, 25, 3, 62, 2, 72),
 304        CABAC_ENTRY(154, 5, 44, 9, 32, -3, 68, -11, 75),
 305        CABAC_ENTRY(155, 4, 52, 5, 43, -20, 81, -3, 71),
 306        CABAC_ENTRY(156, 11, 48, 9, 47, 0, 30, 15, 46),
 307        CABAC_ENTRY(157, -5, 60, 0, 44, 1, 7, -13, 69),
 308        CABAC_ENTRY(158, -1, 59, 0, 51, -3, 23, 0, 62),
 309        CABAC_ENTRY(159, 0, 59, 2, 46, -21, 74, 0, 65),
 310        CABAC_ENTRY(160, 22, 33, 19, 38, 16, 66, 21, 37),
 311        CABAC_ENTRY(161, 5, 44, -4, 66, -23, 124, -15, 72),
 312        CABAC_ENTRY(162, 14, 43, 15, 38, 17, 37, 9, 57),
 313        CABAC_ENTRY(163, -1, 78, 12, 42, 44, -18, 16, 54),
 314        CABAC_ENTRY(164, 0, 60, 9, 34, 50, -34, 0, 62),
 315        CABAC_ENTRY(165, 9, 69, 0, 89, -22, 127, 12, 72),
 316
 317        /* Table 9-20 – Values of variables m and n for ctxIdx from 166 to 226 */
 318        CABAC_ENTRY(166, 11, 28, 4, 45, 4, 39, 24, 0),
 319        CABAC_ENTRY(167, 2, 40, 10, 28, 0, 42, 15, 9),
 320        CABAC_ENTRY(168, 3, 44, 10, 31, 7, 34, 8, 25),
 321        CABAC_ENTRY(169, 0, 49, 33, -11, 11, 29, 13, 18),
 322        CABAC_ENTRY(170, 0, 46, 52, -43, 8, 31, 15, 9),
 323        CABAC_ENTRY(171, 2, 44, 18, 15, 6, 37, 13, 19),
 324        CABAC_ENTRY(172, 2, 51, 28, 0, 7, 42, 10, 37),
 325        CABAC_ENTRY(173, 0, 47, 35, -22, 3, 40, 12, 18),
 326        CABAC_ENTRY(174, 4, 39, 38, -25, 8, 33, 6, 29),
 327        CABAC_ENTRY(175, 2, 62, 34, 0, 13, 43, 20, 33),
 328        CABAC_ENTRY(176, 6, 46, 39, -18, 13, 36, 15, 30),
 329        CABAC_ENTRY(177, 0, 54, 32, -12, 4, 47, 4, 45),
 330        CABAC_ENTRY(178, 3, 54, 102, -94, 3, 55, 1, 58),
 331        CABAC_ENTRY(179, 2, 58, 0, 0, 2, 58, 0, 62),
 332        CABAC_ENTRY(180, 4, 63, 56, -15, 6, 60, 7, 61),
 333        CABAC_ENTRY(181, 6, 51, 33, -4, 8, 44, 12, 38),
 334        CABAC_ENTRY(182, 6, 57, 29, 10, 11, 44, 11, 45),
 335        CABAC_ENTRY(183, 7, 53, 37, -5, 14, 42, 15, 39),
 336        CABAC_ENTRY(184, 6, 52, 51, -29, 7, 48, 11, 42),
 337        CABAC_ENTRY(185, 6, 55, 39, -9, 4, 56, 13, 44),
 338        CABAC_ENTRY(186, 11, 45, 52, -34, 4, 52, 16, 45),
 339        CABAC_ENTRY(187, 14, 36, 69, -58, 13, 37, 12, 41),
 340        CABAC_ENTRY(188, 8, 53, 67, -63, 9, 49, 10, 49),
 341        CABAC_ENTRY(189, -1, 82, 44, -5, 19, 58, 30, 34),
 342        CABAC_ENTRY(190, 7, 55, 32, 7, 10, 48, 18, 42),
 343        CABAC_ENTRY(191, -3, 78, 55, -29, 12, 45, 10, 55),
 344        CABAC_ENTRY(192, 15, 46, 32, 1, 0, 69, 17, 51),
 345        CABAC_ENTRY(193, 22, 31, 0, 0, 20, 33, 17, 46),
 346        CABAC_ENTRY(194, -1, 84, 27, 36, 8, 63, 0, 89),
 347        CABAC_ENTRY(195, 25, 7, 33, -25, 35, -18, 26, -19),
 348        CABAC_ENTRY(196, 30, -7, 34, -30, 33, -25, 22, -17),
 349        CABAC_ENTRY(197, 28, 3, 36, -28, 28, -3, 26, -17),
 350        CABAC_ENTRY(198, 28, 4, 38, -28, 24, 10, 30, -25),
 351        CABAC_ENTRY(199, 32, 0, 38, -27, 27, 0, 28, -20),
 352        CABAC_ENTRY(200, 34, -1, 34, -18, 34, -14, 33, -23),
 353        CABAC_ENTRY(201, 30, 6, 35, -16, 52, -44, 37, -27),
 354        CABAC_ENTRY(202, 30, 6, 34, -14, 39, -24, 33, -23),
 355        CABAC_ENTRY(203, 32, 9, 32, -8, 19, 17, 40, -28),
 356        CABAC_ENTRY(204, 31, 19, 37, -6, 31, 25, 38, -17),
 357        CABAC_ENTRY(205, 26, 27, 35, 0, 36, 29, 33, -11),
 358        CABAC_ENTRY(206, 26, 30, 30, 10, 24, 33, 40, -15),
 359        CABAC_ENTRY(207, 37, 20, 28, 18, 34, 15, 41, -6),
 360        CABAC_ENTRY(208, 28, 34, 26, 25, 30, 20, 38, 1),
 361        CABAC_ENTRY(209, 17, 70, 29, 41, 22, 73, 41, 17),
 362        CABAC_ENTRY(210, 1, 67, 0, 75, 20, 34, 30, -6),
 363        CABAC_ENTRY(211, 5, 59, 2, 72, 19, 31, 27, 3),
 364        CABAC_ENTRY(212, 9, 67, 8, 77, 27, 44, 26, 22),
 365        CABAC_ENTRY(213, 16, 30, 14, 35, 19, 16, 37, -16),
 366        CABAC_ENTRY(214, 18, 32, 18, 31, 15, 36, 35, -4),
 367        CABAC_ENTRY(215, 18, 35, 17, 35, 15, 36, 38, -8),
 368        CABAC_ENTRY(216, 22, 29, 21, 30, 21, 28, 38, -3),
 369        CABAC_ENTRY(217, 24, 31, 17, 45, 25, 21, 37, 3),
 370        CABAC_ENTRY(218, 23, 38, 20, 42, 30, 20, 38, 5),
 371        CABAC_ENTRY(219, 18, 43, 18, 45, 31, 12, 42, 0),
 372        CABAC_ENTRY(220, 20, 41, 27, 26, 27, 16, 35, 16),
 373        CABAC_ENTRY(221, 11, 63, 16, 54, 24, 42, 39, 22),
 374        CABAC_ENTRY(222, 9, 59, 7, 66, 0, 93, 14, 48),
 375        CABAC_ENTRY(223, 9, 64, 16, 56, 14, 56, 27, 37),
 376        CABAC_ENTRY(224, -1, 94, 11, 73, 15, 57, 21, 60),
 377        CABAC_ENTRY(225, -2, 89, 10, 67, 26, 38, 12, 68),
 378        CABAC_ENTRY(226, -9, 108, -10, 116, -24, 127, 2, 97),
 379
 380        /* Table 9-21 – Values of variables m and n for ctxIdx from 227 to 275 */
 381        CABAC_ENTRY(227, -6, 76, -23, 112, -24, 115, -3, 71),
 382        CABAC_ENTRY(228, -2, 44, -15, 71, -22, 82, -6, 42),
 383        CABAC_ENTRY(229, 0, 45, -7, 61, -9, 62, -5, 50),
 384        CABAC_ENTRY(230, 0, 52, 0, 53, 0, 53, -3, 54),
 385        CABAC_ENTRY(231, -3, 64, -5, 66, 0, 59, -2, 62),
 386        CABAC_ENTRY(232, -2, 59, -11, 77, -14, 85, 0, 58),
 387        CABAC_ENTRY(233, -4, 70, -9, 80, -13, 89, 1, 63),
 388        CABAC_ENTRY(234, -4, 75, -9, 84, -13, 94, -2, 72),
 389        CABAC_ENTRY(235, -8, 82, -10, 87, -11, 92, -1, 74),
 390        CABAC_ENTRY(236, -17, 102, -34, 127, -29, 127, -9, 91),
 391        CABAC_ENTRY(237, -9, 77, -21, 101, -21, 100, -5, 67),
 392        CABAC_ENTRY(238, 3, 24, -3, 39, -14, 57, -5, 27),
 393        CABAC_ENTRY(239, 0, 42, -5, 53, -12, 67, -3, 39),
 394        CABAC_ENTRY(240, 0, 48, -7, 61, -11, 71, -2, 44),
 395        CABAC_ENTRY(241, 0, 55, -11, 75, -10, 77, 0, 46),
 396        CABAC_ENTRY(242, -6, 59, -15, 77, -21, 85, -16, 64),
 397        CABAC_ENTRY(243, -7, 71, -17, 91, -16, 88, -8, 68),
 398        CABAC_ENTRY(244, -12, 83, -25, 107, -23, 104, -10, 78),
 399        CABAC_ENTRY(245, -11, 87, -25, 111, -15, 98, -6, 77),
 400        CABAC_ENTRY(246, -30, 119, -28, 122, -37, 127, -10, 86),
 401        CABAC_ENTRY(247, 1, 58, -11, 76, -10, 82, -12, 92),
 402        CABAC_ENTRY(248, -3, 29, -10, 44, -8, 48, -15, 55),
 403        CABAC_ENTRY(249, -1, 36, -10, 52, -8, 61, -10, 60),
 404        CABAC_ENTRY(250, 1, 38, -10, 57, -8, 66, -6, 62),
 405        CABAC_ENTRY(251, 2, 43, -9, 58, -7, 70, -4, 65),
 406        CABAC_ENTRY(252, -6, 55, -16, 72, -14, 75, -12, 73),
 407        CABAC_ENTRY(253, 0, 58, -7, 69, -10, 79, -8, 76),
 408        CABAC_ENTRY(254, 0, 64, -4, 69, -9, 83, -7, 80),
 409        CABAC_ENTRY(255, -3, 74, -5, 74, -12, 92, -9, 88),
 410        CABAC_ENTRY(256, -10, 90, -9, 86, -18, 108, -17, 110),
 411        CABAC_ENTRY(257, 0, 70, 2, 66, -4, 79, -11, 97),
 412        CABAC_ENTRY(258, -4, 29, -9, 34, -22, 69, -20, 84),
 413        CABAC_ENTRY(259, 5, 31, 1, 32, -16, 75, -11, 79),
 414        CABAC_ENTRY(260, 7, 42, 11, 31, -2, 58, -6, 73),
 415        CABAC_ENTRY(261, 1, 59, 5, 52, 1, 58, -4, 74),
 416        CABAC_ENTRY(262, -2, 58, -2, 55, -13, 78, -13, 86),
 417        CABAC_ENTRY(263, -3, 72, -2, 67, -9, 83, -13, 96),
 418        CABAC_ENTRY(264, -3, 81, 0, 73, -4, 81, -11, 97),
 419        CABAC_ENTRY(265, -11, 97, -8, 89, -13, 99, -19, 117),
 420        CABAC_ENTRY(266, 0, 58, 3, 52, -13, 81, -8, 78),
 421        CABAC_ENTRY(267, 8, 5, 7, 4, -6, 38, -5, 33),
 422        CABAC_ENTRY(268, 10, 14, 10, 8, -13, 62, -4, 48),
 423        CABAC_ENTRY(269, 14, 18, 17, 8, -6, 58, -2, 53),
 424        CABAC_ENTRY(270, 13, 27, 16, 19, -2, 59, -3, 62),
 425        CABAC_ENTRY(271, 2, 40, 3, 37, -16, 73, -13, 71),
 426        CABAC_ENTRY(272, 0, 58, -1, 61, -10, 76, -10, 79),
 427        CABAC_ENTRY(273, -3, 70, -5, 73, -13, 86, -12, 86),
 428        CABAC_ENTRY(274, -6, 79, -1, 70, -9, 83, -13, 90),
 429        CABAC_ENTRY(275, -8, 85, -4, 78, -10, 87, -14, 97),
 430
 431        /* Table 9-22 – Values of variables m and n for ctxIdx from 277 to 337 */
 432        CABAC_ENTRY(277, -13, 106, -21, 126, -22, 127, -6, 93),
 433        CABAC_ENTRY(278, -16, 106, -23, 124, -25, 127, -6, 84),
 434        CABAC_ENTRY(279, -10, 87, -20, 110, -25, 120, -8, 79),
 435        CABAC_ENTRY(280, -21, 114, -26, 126, -27, 127, 0, 66),
 436        CABAC_ENTRY(281, -18, 110, -25, 124, -19, 114, -1, 71),
 437        CABAC_ENTRY(282, -14, 98, -17, 105, -23, 117, 0, 62),
 438        CABAC_ENTRY(283, -22, 110, -27, 121, -25, 118, -2, 60),
 439        CABAC_ENTRY(284, -21, 106, -27, 117, -26, 117, -2, 59),
 440        CABAC_ENTRY(285, -18, 103, -17, 102, -24, 113, -5, 75),
 441        CABAC_ENTRY(286, -21, 107, -26, 117, -28, 118, -3, 62),
 442        CABAC_ENTRY(287, -23, 108, -27, 116, -31, 120, -4, 58),
 443        CABAC_ENTRY(288, -26, 112, -33, 122, -37, 124, -9, 66),
 444        CABAC_ENTRY(289, -10, 96, -10, 95, -10, 94, -1, 79),
 445        CABAC_ENTRY(290, -12, 95, -14, 100, -15, 102, 0, 71),
 446        CABAC_ENTRY(291, -5, 91, -8, 95, -10, 99, 3, 68),
 447        CABAC_ENTRY(292, -9, 93, -17, 111, -13, 106, 10, 44),
 448        CABAC_ENTRY(293, -22, 94, -28, 114, -50, 127, -7, 62),
 449        CABAC_ENTRY(294, -5, 86, -6, 89, -5, 92, 15, 36),
 450        CABAC_ENTRY(295, 9, 67, -2, 80, 17, 57, 14, 40),
 451        CABAC_ENTRY(296, -4, 80, -4, 82, -5, 86, 16, 27),
 452        CABAC_ENTRY(297, -10, 85, -9, 85, -13, 94, 12, 29),
 453        CABAC_ENTRY(298, -1, 70, -8, 81, -12, 91, 1, 44),
 454        CABAC_ENTRY(299, 7, 60, -1, 72, -2, 77, 20, 36),
 455        CABAC_ENTRY(300, 9, 58, 5, 64, 0, 71, 18, 32),
 456        CABAC_ENTRY(301, 5, 61, 1, 67, -1, 73, 5, 42),
 457        CABAC_ENTRY(302, 12, 50, 9, 56, 4, 64, 1, 48),
 458        CABAC_ENTRY(303, 15, 50, 0, 69, -7, 81, 10, 62),
 459        CABAC_ENTRY(304, 18, 49, 1, 69, 5, 64, 17, 46),
 460        CABAC_ENTRY(305, 17, 54, 7, 69, 15, 57, 9, 64),
 461        CABAC_ENTRY(306, 10, 41, -7, 69, 1, 67, -12, 104),
 462        CABAC_ENTRY(307, 7, 46, -6, 67, 0, 68, -11, 97),
 463        CABAC_ENTRY(308, -1, 51, -16, 77, -10, 67, -16, 96),
 464        CABAC_ENTRY(309, 7, 49, -2, 64, 1, 68, -7, 88),
 465        CABAC_ENTRY(310, 8, 52, 2, 61, 0, 77, -8, 85),
 466        CABAC_ENTRY(311, 9, 41, -6, 67, 2, 64, -7, 85),
 467        CABAC_ENTRY(312, 6, 47, -3, 64, 0, 68, -9, 85),
 468        CABAC_ENTRY(313, 2, 55, 2, 57, -5, 78, -13, 88),
 469        CABAC_ENTRY(314, 13, 41, -3, 65, 7, 55, 4, 66),
 470        CABAC_ENTRY(315, 10, 44, -3, 66, 5, 59, -3, 77),
 471        CABAC_ENTRY(316, 6, 50, 0, 62, 2, 65, -3, 76),
 472        CABAC_ENTRY(317, 5, 53, 9, 51, 14, 54, -6, 76),
 473        CABAC_ENTRY(318, 13, 49, -1, 66, 15, 44, 10, 58),
 474        CABAC_ENTRY(319, 4, 63, -2, 71, 5, 60, -1, 76),
 475        CABAC_ENTRY(320, 6, 64, -2, 75, 2, 70, -1, 83),
 476        CABAC_ENTRY(321, -2, 69, -1, 70, -2, 76, -7, 99),
 477        CABAC_ENTRY(322, -2, 59, -9, 72, -18, 86, -14, 95),
 478        CABAC_ENTRY(323, 6, 70, 14, 60, 12, 70, 2, 95),
 479        CABAC_ENTRY(324, 10, 44, 16, 37, 5, 64, 0, 76),
 480        CABAC_ENTRY(325, 9, 31, 0, 47, -12, 70, -5, 74),
 481        CABAC_ENTRY(326, 12, 43, 18, 35, 11, 55, 0, 70),
 482        CABAC_ENTRY(327, 3, 53, 11, 37, 5, 56, -11, 75),
 483        CABAC_ENTRY(328, 14, 34, 12, 41, 0, 69, 1, 68),
 484        CABAC_ENTRY(329, 10, 38, 10, 41, 2, 65, 0, 65),
 485        CABAC_ENTRY(330, -3, 52, 2, 48, -6, 74, -14, 73),
 486        CABAC_ENTRY(331, 13, 40, 12, 41, 5, 54, 3, 62),
 487        CABAC_ENTRY(332, 17, 32, 13, 41, 7, 54, 4, 62),
 488        CABAC_ENTRY(333, 7, 44, 0, 59, -6, 76, -1, 68),
 489        CABAC_ENTRY(334, 7, 38, 3, 50, -11, 82, -13, 75),
 490        CABAC_ENTRY(335, 13, 50, 19, 40, -2, 77, 11, 55),
 491        CABAC_ENTRY(336, 10, 57, 3, 66, -2, 77, 5, 64),
 492        CABAC_ENTRY(337, 26, 43, 18, 50, 25, 42, 12, 70),
 493
 494        /* Table 9-23 – Values of variables m and n for ctxIdx from 338 to 398 */
 495        CABAC_ENTRY(338, 14, 11, 19, -6, 17, -13, 15, 6),
 496        CABAC_ENTRY(339, 11, 14, 18, -6, 16, -9, 6, 19),
 497        CABAC_ENTRY(340, 9, 11, 14, 0, 17, -12, 7, 16),
 498        CABAC_ENTRY(341, 18, 11, 26, -12, 27, -21, 12, 14),
 499        CABAC_ENTRY(342, 21, 9, 31, -16, 37, -30, 18, 13),
 500        CABAC_ENTRY(343, 23, -2, 33, -25, 41, -40, 13, 11),
 501        CABAC_ENTRY(344, 32, -15, 33, -22, 42, -41, 13, 15),
 502        CABAC_ENTRY(345, 32, -15, 37, -28, 48, -47, 15, 16),
 503        CABAC_ENTRY(346, 34, -21, 39, -30, 39, -32, 12, 23),
 504        CABAC_ENTRY(347, 39, -23, 42, -30, 46, -40, 13, 23),
 505        CABAC_ENTRY(348, 42, -33, 47, -42, 52, -51, 15, 20),
 506        CABAC_ENTRY(349, 41, -31, 45, -36, 46, -41, 14, 26),
 507        CABAC_ENTRY(350, 46, -28, 49, -34, 52, -39, 14, 44),
 508        CABAC_ENTRY(351, 38, -12, 41, -17, 43, -19, 17, 40),
 509        CABAC_ENTRY(352, 21, 29, 32, 9, 32, 11, 17, 47),
 510        CABAC_ENTRY(353, 45, -24, 69, -71, 61, -55, 24, 17),
 511        CABAC_ENTRY(354, 53, -45, 63, -63, 56, -46, 21, 21),
 512        CABAC_ENTRY(355, 48, -26, 66, -64, 62, -50, 25, 22),
 513        CABAC_ENTRY(356, 65, -43, 77, -74, 81, -67, 31, 27),
 514        CABAC_ENTRY(357, 43, -19, 54, -39, 45, -20, 22, 29),
 515        CABAC_ENTRY(358, 39, -10, 52, -35, 35, -2, 19, 35),
 516        CABAC_ENTRY(359, 30, 9, 41, -10, 28, 15, 14, 50),
 517        CABAC_ENTRY(360, 18, 26, 36, 0, 34, 1, 10, 57),
 518        CABAC_ENTRY(361, 20, 27, 40, -1, 39, 1, 7, 63),
 519        CABAC_ENTRY(362, 0, 57, 30, 14, 30, 17, -2, 77),
 520        CABAC_ENTRY(363, -14, 82, 28, 26, 20, 38, -4, 82),
 521        CABAC_ENTRY(364, -5, 75, 23, 37, 18, 45, -3, 94),
 522        CABAC_ENTRY(365, -19, 97, 12, 55, 15, 54, 9, 69),
 523        CABAC_ENTRY(366, -35, 125, 11, 65, 0, 79, -12, 109),
 524        CABAC_ENTRY(367, 27, 0, 37, -33, 36, -16, 36, -35),
 525        CABAC_ENTRY(368, 28, 0, 39, -36, 37, -14, 36, -34),
 526        CABAC_ENTRY(369, 31, -4, 40, -37, 37, -17, 32, -26),
 527        CABAC_ENTRY(370, 27, 6, 38, -30, 32, 1, 37, -30),
 528        CABAC_ENTRY(371, 34, 8, 46, -33, 34, 15, 44, -32),
 529        CABAC_ENTRY(372, 30, 10, 42, -30, 29, 15, 34, -18),
 530        CABAC_ENTRY(373, 24, 22, 40, -24, 24, 25, 34, -15),
 531        CABAC_ENTRY(374, 33, 19, 49, -29, 34, 22, 40, -15),
 532        CABAC_ENTRY(375, 22, 32, 38, -12, 31, 16, 33, -7),
 533        CABAC_ENTRY(376, 26, 31, 40, -10, 35, 18, 35, -5),
 534        CABAC_ENTRY(377, 21, 41, 38, -3, 31, 28, 33, 0),
 535        CABAC_ENTRY(378, 26, 44, 46, -5, 33, 41, 38, 2),
 536        CABAC_ENTRY(379, 23, 47, 31, 20, 36, 28, 33, 13),
 537        CABAC_ENTRY(380, 16, 65, 29, 30, 27, 47, 23, 35),
 538        CABAC_ENTRY(381, 14, 71, 25, 44, 21, 62, 13, 58),
 539        CABAC_ENTRY(382, 8, 60, 12, 48, 18, 31, 29, -3),
 540        CABAC_ENTRY(383, 6, 63, 11, 49, 19, 26, 26, 0),
 541        CABAC_ENTRY(384, 17, 65, 26, 45, 36, 24, 22, 30),
 542        CABAC_ENTRY(385, 21, 24, 22, 22, 24, 23, 31, -7),
 543        CABAC_ENTRY(386, 23, 20, 23, 22, 27, 16, 35, -15),
 544        CABAC_ENTRY(387, 26, 23, 27, 21, 24, 30, 34, -3),
 545        CABAC_ENTRY(388, 27, 32, 33, 20, 31, 29, 34, 3),
 546        CABAC_ENTRY(389, 28, 23, 26, 28, 22, 41, 36, -1),
 547        CABAC_ENTRY(390, 28, 24, 30, 24, 22, 42, 34, 5),
 548        CABAC_ENTRY(391, 23, 40, 27, 34, 16, 60, 32, 11),
 549        CABAC_ENTRY(392, 24, 32, 18, 42, 15, 52, 35, 5),
 550        CABAC_ENTRY(393, 28, 29, 25, 39, 14, 60, 34, 12),
 551        CABAC_ENTRY(394, 23, 42, 18, 50, 3, 78, 39, 11),
 552        CABAC_ENTRY(395, 19, 57, 12, 70, -16, 123, 30, 29),
 553        CABAC_ENTRY(396, 22, 53, 21, 54, 21, 53, 34, 26),
 554        CABAC_ENTRY(397, 22, 61, 14, 71, 22, 56, 29, 39),
 555        CABAC_ENTRY(398, 11, 86, 11, 83, 25, 61, 19, 66),
 556
 557        /* Values of variables m and n for ctxIdx from 399 to 463 (not documented) */
 558        CABAC_ENTRY(399, 12, 40, 25, 32, 21, 33, 31, 21),
 559        CABAC_ENTRY(400, 11, 51, 21, 49, 19, 50, 31, 31),
 560        CABAC_ENTRY(401, 14, 59, 21, 54, 17, 61, 25, 50),
 561        CABAC_ENTRY(402, -4, 79, -5, 85, -3, 78, -17, 120),
 562        CABAC_ENTRY(403, -7, 71, -6, 81, -8, 74, -20, 112),
 563        CABAC_ENTRY(404, -5, 69, -10, 77, -9, 72, -18, 114),
 564        CABAC_ENTRY(405, -9, 70, -7, 81, -10, 72, -11, 85),
 565        CABAC_ENTRY(406, -8, 66, -17, 80, -18, 75, -15, 92),
 566        CABAC_ENTRY(407, -10, 68, -18, 73, -12, 71, -14, 89),
 567        CABAC_ENTRY(408, -19, 73, -4, 74, -11, 63, -26, 71),
 568        CABAC_ENTRY(409, -12, 69, -10, 83, -5, 70, -15, 81),
 569        CABAC_ENTRY(410, -16, 70, -9, 71, -17, 75, -14, 80),
 570        CABAC_ENTRY(411, -15, 67, -9, 67, -14, 72, 0, 68),
 571        CABAC_ENTRY(412, -20, 62, -1, 61, -16, 67, -14, 70),
 572        CABAC_ENTRY(413, -19, 70, -8, 66, -8, 53, -24, 56),
 573        CABAC_ENTRY(414, -16, 66, -14, 66, -14, 59, -23, 68),
 574        CABAC_ENTRY(415, -22, 65, 0, 59, -9, 52, -24, 50),
 575        CABAC_ENTRY(416, -20, 63, 2, 59, -11, 68, -11, 74),
 576        CABAC_ENTRY(417, 9, -2, 17, -10, 9, -2, 23, -13),
 577        CABAC_ENTRY(418, 26, -9, 32, -13, 30, -10, 26, -13),
 578        CABAC_ENTRY(419, 33, -9, 42, -9, 31, -4, 40, -15),
 579        CABAC_ENTRY(420, 39, -7, 49, -5, 33, -1, 49, -14),
 580        CABAC_ENTRY(421, 41, -2, 53, 0, 33, 7, 44, 3),
 581        CABAC_ENTRY(422, 45, 3, 64, 3, 31, 12, 45, 6),
 582        CABAC_ENTRY(423, 49, 9, 68, 10, 37, 23, 44, 34),
 583        CABAC_ENTRY(424, 45, 27, 66, 27, 31, 38, 33, 54),
 584        CABAC_ENTRY(425, 36, 59, 47, 57, 20, 64, 19, 82),
 585        CABAC_ENTRY(426, -6, 66, -5, 71, -9, 71, -3, 75),
 586        CABAC_ENTRY(427, -7, 35, 0, 24, -7, 37, -1, 23),
 587        CABAC_ENTRY(428, -7, 42, -1, 36, -8, 44, 1, 34),
 588        CABAC_ENTRY(429, -8, 45, -2, 42, -11, 49, 1, 43),
 589        CABAC_ENTRY(430, -5, 48, -2, 52, -10, 56, 0, 54),
 590        CABAC_ENTRY(431, -12, 56, -9, 57, -12, 59, -2, 55),
 591        CABAC_ENTRY(432, -6, 60, -6, 63, -8, 63, 0, 61),
 592        CABAC_ENTRY(433, -5, 62, -4, 65, -9, 67, 1, 64),
 593        CABAC_ENTRY(434, -8, 66, -4, 67, -6, 68, 0, 68),
 594        CABAC_ENTRY(435, -8, 76, -7, 82, -10, 79, -9, 92),
 595        CABAC_ENTRY(436, -5, 85, -3, 81, -3, 78, -14, 106),
 596        CABAC_ENTRY(437, -6, 81, -3, 76, -8, 74, -13, 97),
 597        CABAC_ENTRY(438, -10, 77, -7, 72, -9, 72, -15, 90),
 598        CABAC_ENTRY(439, -7, 81, -6, 78, -10, 72, -12, 90),
 599        CABAC_ENTRY(440, -17, 80, -12, 72, -18, 75, -18, 88),
 600        CABAC_ENTRY(441, -18, 73, -14, 68, -12, 71, -10, 73),
 601        CABAC_ENTRY(442, -4, 74, -3, 70, -11, 63, -9, 79),
 602        CABAC_ENTRY(443, -10, 83, -6, 76, -5, 70, -14, 86),
 603        CABAC_ENTRY(444, -9, 71, -5, 66, -17, 75, -10, 73),
 604        CABAC_ENTRY(445, -9, 67, -5, 62, -14, 72, -10, 70),
 605        CABAC_ENTRY(446, -1, 61, 0, 57, -16, 67, -10, 69),
 606        CABAC_ENTRY(447, -8, 66, -4, 61, -8, 53, -5, 66),
 607        CABAC_ENTRY(448, -14, 66, -9, 60, -14, 59, -9, 64),
 608        CABAC_ENTRY(449, 0, 59, 1, 54, -9, 52, -5, 58),
 609        CABAC_ENTRY(450, 2, 59, 2, 58, -11, 68, 2, 59),
 610        CABAC_ENTRY(451, 21, -13, 17, -10, 9, -2, 21, -10),
 611        CABAC_ENTRY(452, 33, -14, 32, -13, 30, -10, 24, -11),
 612        CABAC_ENTRY(453, 39, -7, 42, -9, 31, -4, 28, -8),
 613        CABAC_ENTRY(454, 46, -2, 49, -5, 33, -1, 28, -1),
 614        CABAC_ENTRY(455, 51, 2, 53, 0, 33, 7, 29, 3),
 615        CABAC_ENTRY(456, 60, 6, 64, 3, 31, 12, 29, 9),
 616        CABAC_ENTRY(457, 61, 17, 68, 10, 37, 23, 35, 20),
 617        CABAC_ENTRY(458, 55, 34, 66, 27, 31, 38, 29, 36),
 618        CABAC_ENTRY(459, 42, 62, 47, 57, 20, 64, 14, 67),
 619};
 620
 621static void set_ps_field(u32 *buf, struct rkvdec_ps_field field, u32 value)
 622{
 623        u8 bit = field.offset % 32, word = field.offset / 32;
 624        u64 mask = GENMASK_ULL(bit + field.len - 1, bit);
 625        u64 val = ((u64)value << bit) & mask;
 626
 627        buf[word] &= ~mask;
 628        buf[word] |= val;
 629        if (bit + field.len > 32) {
 630                buf[word + 1] &= ~(mask >> 32);
 631                buf[word + 1] |= val >> 32;
 632        }
 633}
 634
 635static void assemble_hw_pps(struct rkvdec_ctx *ctx,
 636                            struct rkvdec_h264_run *run)
 637{
 638        struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
 639        const struct v4l2_ctrl_h264_sps *sps = run->sps;
 640        const struct v4l2_ctrl_h264_pps *pps = run->pps;
 641        const struct v4l2_ctrl_h264_decode_params *dec_params = run->decode_params;
 642        const struct v4l2_h264_dpb_entry *dpb = dec_params->dpb;
 643        struct rkvdec_h264_priv_tbl *priv_tbl = h264_ctx->priv_tbl.cpu;
 644        struct rkvdec_sps_pps_packet *hw_ps;
 645        dma_addr_t scaling_list_address;
 646        u32 scaling_distance;
 647        u32 i;
 648
 649        /*
 650         * HW read the SPS/PPS information from PPS packet index by PPS id.
 651         * offset from the base can be calculated by PPS_id * 32 (size per PPS
 652         * packet unit). so the driver copy SPS/PPS information to the exact PPS
 653         * packet unit for HW accessing.
 654         */
 655        hw_ps = &priv_tbl->param_set[pps->pic_parameter_set_id];
 656        memset(hw_ps, 0, sizeof(*hw_ps));
 657
 658#define WRITE_PPS(value, field) set_ps_field(hw_ps->info, field, value)
 659        /* write sps */
 660        WRITE_PPS(0xf, SEQ_PARAMETER_SET_ID);
 661        WRITE_PPS(0xff, PROFILE_IDC);
 662        WRITE_PPS(1, CONSTRAINT_SET3_FLAG);
 663        WRITE_PPS(sps->chroma_format_idc, CHROMA_FORMAT_IDC);
 664        WRITE_PPS(sps->bit_depth_luma_minus8 + 8, BIT_DEPTH_LUMA);
 665        WRITE_PPS(sps->bit_depth_chroma_minus8 + 8, BIT_DEPTH_CHROMA);
 666        WRITE_PPS(0, QPPRIME_Y_ZERO_TRANSFORM_BYPASS_FLAG);
 667        WRITE_PPS(sps->log2_max_frame_num_minus4, LOG2_MAX_FRAME_NUM_MINUS4);
 668        WRITE_PPS(sps->max_num_ref_frames, MAX_NUM_REF_FRAMES);
 669        WRITE_PPS(sps->pic_order_cnt_type, PIC_ORDER_CNT_TYPE);
 670        WRITE_PPS(sps->log2_max_pic_order_cnt_lsb_minus4,
 671                  LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4);
 672        WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO),
 673                  DELTA_PIC_ORDER_ALWAYS_ZERO_FLAG);
 674        WRITE_PPS(DIV_ROUND_UP(ctx->coded_fmt.fmt.pix_mp.width, 16), PIC_WIDTH_IN_MBS);
 675        WRITE_PPS(DIV_ROUND_UP(ctx->coded_fmt.fmt.pix_mp.height, 16), PIC_HEIGHT_IN_MBS);
 676        WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY),
 677                  FRAME_MBS_ONLY_FLAG);
 678        WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD),
 679                  MB_ADAPTIVE_FRAME_FIELD_FLAG);
 680        WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE),
 681                  DIRECT_8X8_INFERENCE_FLAG);
 682
 683        /* write pps */
 684        WRITE_PPS(0xff, PIC_PARAMETER_SET_ID);
 685        WRITE_PPS(0x1f, PPS_SEQ_PARAMETER_SET_ID);
 686        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE),
 687                  ENTROPY_CODING_MODE_FLAG);
 688        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT),
 689                  BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT_FLAG);
 690        WRITE_PPS(pps->num_ref_idx_l0_default_active_minus1,
 691                  NUM_REF_IDX_L_DEFAULT_ACTIVE_MINUS1(0));
 692        WRITE_PPS(pps->num_ref_idx_l1_default_active_minus1,
 693                  NUM_REF_IDX_L_DEFAULT_ACTIVE_MINUS1(1));
 694        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_WEIGHTED_PRED),
 695                  WEIGHTED_PRED_FLAG);
 696        WRITE_PPS(pps->weighted_bipred_idc, WEIGHTED_BIPRED_IDC);
 697        WRITE_PPS(pps->pic_init_qp_minus26, PIC_INIT_QP_MINUS26);
 698        WRITE_PPS(pps->pic_init_qs_minus26, PIC_INIT_QS_MINUS26);
 699        WRITE_PPS(pps->chroma_qp_index_offset, CHROMA_QP_INDEX_OFFSET);
 700        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT),
 701                  DEBLOCKING_FILTER_CONTROL_PRESENT_FLAG);
 702        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED),
 703                  CONSTRAINED_INTRA_PRED_FLAG);
 704        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT),
 705                  REDUNDANT_PIC_CNT_PRESENT);
 706        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE),
 707                  TRANSFORM_8X8_MODE_FLAG);
 708        WRITE_PPS(pps->second_chroma_qp_index_offset,
 709                  SECOND_CHROMA_QP_INDEX_OFFSET);
 710
 711        WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT),
 712                  SCALING_LIST_ENABLE_FLAG);
 713        /* To be on the safe side, program the scaling matrix address */
 714        scaling_distance = offsetof(struct rkvdec_h264_priv_tbl, scaling_list);
 715        scaling_list_address = h264_ctx->priv_tbl.dma + scaling_distance;
 716        WRITE_PPS(scaling_list_address, SCALING_LIST_ADDRESS);
 717
 718        for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
 719                u32 is_longterm = 0;
 720
 721                if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)
 722                        is_longterm = 1;
 723
 724                WRITE_PPS(is_longterm, IS_LONG_TERM(i));
 725        }
 726}
 727
 728static void assemble_hw_rps(struct rkvdec_ctx *ctx,
 729                            struct rkvdec_h264_run *run)
 730{
 731        const struct v4l2_ctrl_h264_decode_params *dec_params = run->decode_params;
 732        const struct v4l2_h264_dpb_entry *dpb = dec_params->dpb;
 733        struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
 734        const struct v4l2_ctrl_h264_sps *sps = run->sps;
 735        struct rkvdec_h264_priv_tbl *priv_tbl = h264_ctx->priv_tbl.cpu;
 736        u32 max_frame_num = 1 << (sps->log2_max_frame_num_minus4 + 4);
 737
 738        u32 *hw_rps = priv_tbl->rps;
 739        u32 i, j;
 740        u16 *p = (u16 *)hw_rps;
 741
 742        memset(hw_rps, 0, sizeof(priv_tbl->rps));
 743
 744        /*
 745         * Assign an invalid pic_num if DPB entry at that position is inactive.
 746         * If we assign 0 in that position hardware will treat that as a real
 747         * reference picture with pic_num 0, triggering output picture
 748         * corruption.
 749         */
 750        for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
 751                if (!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE))
 752                        continue;
 753
 754                if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM ||
 755                    dpb[i].frame_num < dec_params->frame_num) {
 756                        p[i] = dpb[i].frame_num;
 757                        continue;
 758                }
 759
 760                p[i] = dpb[i].frame_num - max_frame_num;
 761        }
 762
 763        for (j = 0; j < RKVDEC_NUM_REFLIST; j++) {
 764                for (i = 0; i < h264_ctx->reflists.num_valid; i++) {
 765                        u8 dpb_valid = 0;
 766                        u8 idx = 0;
 767
 768                        switch (j) {
 769                        case 0:
 770                                idx = h264_ctx->reflists.p[i];
 771                                break;
 772                        case 1:
 773                                idx = h264_ctx->reflists.b0[i];
 774                                break;
 775                        case 2:
 776                                idx = h264_ctx->reflists.b1[i];
 777                                break;
 778                        }
 779
 780                        if (idx >= ARRAY_SIZE(dec_params->dpb))
 781                                continue;
 782                        dpb_valid = !!(dpb[idx].flags &
 783                                       V4L2_H264_DPB_ENTRY_FLAG_ACTIVE);
 784
 785                        set_ps_field(hw_rps, DPB_INFO(i, j),
 786                                     idx | dpb_valid << 4);
 787                }
 788        }
 789}
 790
 791static void assemble_hw_scaling_list(struct rkvdec_ctx *ctx,
 792                                     struct rkvdec_h264_run *run)
 793{
 794        const struct v4l2_ctrl_h264_scaling_matrix *scaling = run->scaling_matrix;
 795        const struct v4l2_ctrl_h264_pps *pps = run->pps;
 796        struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
 797        struct rkvdec_h264_priv_tbl *tbl = h264_ctx->priv_tbl.cpu;
 798
 799        if (!(pps->flags & V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT))
 800                return;
 801
 802        BUILD_BUG_ON(sizeof(tbl->scaling_list.scaling_list_4x4) !=
 803                     sizeof(scaling->scaling_list_4x4));
 804        BUILD_BUG_ON(sizeof(tbl->scaling_list.scaling_list_8x8) !=
 805                     sizeof(scaling->scaling_list_8x8));
 806
 807        memcpy(tbl->scaling_list.scaling_list_4x4,
 808               scaling->scaling_list_4x4,
 809               sizeof(scaling->scaling_list_4x4));
 810
 811        memcpy(tbl->scaling_list.scaling_list_8x8,
 812               scaling->scaling_list_8x8,
 813               sizeof(scaling->scaling_list_8x8));
 814}
 815
 816/*
 817 * dpb poc related registers table
 818 */
 819static const u32 poc_reg_tbl_top_field[16] = {
 820        RKVDEC_REG_H264_POC_REFER0(0),
 821        RKVDEC_REG_H264_POC_REFER0(2),
 822        RKVDEC_REG_H264_POC_REFER0(4),
 823        RKVDEC_REG_H264_POC_REFER0(6),
 824        RKVDEC_REG_H264_POC_REFER0(8),
 825        RKVDEC_REG_H264_POC_REFER0(10),
 826        RKVDEC_REG_H264_POC_REFER0(12),
 827        RKVDEC_REG_H264_POC_REFER0(14),
 828        RKVDEC_REG_H264_POC_REFER1(1),
 829        RKVDEC_REG_H264_POC_REFER1(3),
 830        RKVDEC_REG_H264_POC_REFER1(5),
 831        RKVDEC_REG_H264_POC_REFER1(7),
 832        RKVDEC_REG_H264_POC_REFER1(9),
 833        RKVDEC_REG_H264_POC_REFER1(11),
 834        RKVDEC_REG_H264_POC_REFER1(13),
 835        RKVDEC_REG_H264_POC_REFER2(0)
 836};
 837
 838static const u32 poc_reg_tbl_bottom_field[16] = {
 839        RKVDEC_REG_H264_POC_REFER0(1),
 840        RKVDEC_REG_H264_POC_REFER0(3),
 841        RKVDEC_REG_H264_POC_REFER0(5),
 842        RKVDEC_REG_H264_POC_REFER0(7),
 843        RKVDEC_REG_H264_POC_REFER0(9),
 844        RKVDEC_REG_H264_POC_REFER0(11),
 845        RKVDEC_REG_H264_POC_REFER0(13),
 846        RKVDEC_REG_H264_POC_REFER1(0),
 847        RKVDEC_REG_H264_POC_REFER1(2),
 848        RKVDEC_REG_H264_POC_REFER1(4),
 849        RKVDEC_REG_H264_POC_REFER1(6),
 850        RKVDEC_REG_H264_POC_REFER1(8),
 851        RKVDEC_REG_H264_POC_REFER1(10),
 852        RKVDEC_REG_H264_POC_REFER1(12),
 853        RKVDEC_REG_H264_POC_REFER1(14),
 854        RKVDEC_REG_H264_POC_REFER2(1)
 855};
 856
 857static struct vb2_buffer *
 858get_ref_buf(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run,
 859            unsigned int dpb_idx)
 860{
 861        struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
 862        const struct v4l2_h264_dpb_entry *dpb = run->decode_params->dpb;
 863        struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
 864        int buf_idx = -1;
 865
 866        if (dpb[dpb_idx].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
 867                buf_idx = vb2_find_timestamp(cap_q,
 868                                             dpb[dpb_idx].reference_ts, 0);
 869
 870        /*
 871         * If a DPB entry is unused or invalid, address of current destination
 872         * buffer is returned.
 873         */
 874        if (buf_idx < 0)
 875                return &run->base.bufs.dst->vb2_buf;
 876
 877        return vb2_get_buffer(cap_q, buf_idx);
 878}
 879
 880static void config_registers(struct rkvdec_ctx *ctx,
 881                             struct rkvdec_h264_run *run)
 882{
 883        struct rkvdec_dev *rkvdec = ctx->dev;
 884        const struct v4l2_ctrl_h264_decode_params *dec_params = run->decode_params;
 885        const struct v4l2_ctrl_h264_sps *sps = run->sps;
 886        const struct v4l2_h264_dpb_entry *dpb = dec_params->dpb;
 887        struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
 888        dma_addr_t priv_start_addr = h264_ctx->priv_tbl.dma;
 889        const struct v4l2_pix_format_mplane *dst_fmt;
 890        struct vb2_v4l2_buffer *src_buf = run->base.bufs.src;
 891        struct vb2_v4l2_buffer *dst_buf = run->base.bufs.dst;
 892        const struct v4l2_format *f;
 893        dma_addr_t rlc_addr;
 894        dma_addr_t refer_addr;
 895        u32 rlc_len;
 896        u32 hor_virstride = 0;
 897        u32 ver_virstride = 0;
 898        u32 y_virstride = 0;
 899        u32 yuv_virstride = 0;
 900        u32 offset;
 901        dma_addr_t dst_addr;
 902        u32 reg, i;
 903
 904        reg = RKVDEC_MODE(RKVDEC_MODE_H264);
 905        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_SYSCTRL);
 906
 907        f = &ctx->decoded_fmt;
 908        dst_fmt = &f->fmt.pix_mp;
 909        hor_virstride = (sps->bit_depth_luma_minus8 + 8) * dst_fmt->width / 8;
 910        ver_virstride = round_up(dst_fmt->height, 16);
 911        y_virstride = hor_virstride * ver_virstride;
 912
 913        if (sps->chroma_format_idc == 0)
 914                yuv_virstride = y_virstride;
 915        else if (sps->chroma_format_idc == 1)
 916                yuv_virstride += y_virstride + y_virstride / 2;
 917        else if (sps->chroma_format_idc == 2)
 918                yuv_virstride += 2 * y_virstride;
 919
 920        reg = RKVDEC_Y_HOR_VIRSTRIDE(hor_virstride / 16) |
 921              RKVDEC_UV_HOR_VIRSTRIDE(hor_virstride / 16) |
 922              RKVDEC_SLICE_NUM_HIGHBIT |
 923              RKVDEC_SLICE_NUM_LOWBITS(0x7ff);
 924        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_PICPAR);
 925
 926        /* config rlc base address */
 927        rlc_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 928        writel_relaxed(rlc_addr, rkvdec->regs + RKVDEC_REG_STRM_RLC_BASE);
 929        writel_relaxed(rlc_addr, rkvdec->regs + RKVDEC_REG_RLCWRITE_BASE);
 930
 931        rlc_len = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
 932        reg = RKVDEC_STRM_LEN(rlc_len);
 933        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_STRM_LEN);
 934
 935        /* config cabac table */
 936        offset = offsetof(struct rkvdec_h264_priv_tbl, cabac_table);
 937        writel_relaxed(priv_start_addr + offset,
 938                       rkvdec->regs + RKVDEC_REG_CABACTBL_PROB_BASE);
 939
 940        /* config output base address */
 941        dst_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 942        writel_relaxed(dst_addr, rkvdec->regs + RKVDEC_REG_DECOUT_BASE);
 943
 944        reg = RKVDEC_Y_VIRSTRIDE(y_virstride / 16);
 945        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_Y_VIRSTRIDE);
 946
 947        reg = RKVDEC_YUV_VIRSTRIDE(yuv_virstride / 16);
 948        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_YUV_VIRSTRIDE);
 949
 950        /* config ref pic address & poc */
 951        for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
 952                struct vb2_buffer *vb_buf = get_ref_buf(ctx, run, i);
 953
 954                refer_addr = vb2_dma_contig_plane_dma_addr(vb_buf, 0);
 955
 956                if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
 957                        refer_addr |= RKVDEC_COLMV_USED_FLAG_REF;
 958                if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_FIELD)
 959                        refer_addr |= RKVDEC_FIELD_REF;
 960
 961                if (dpb[i].fields & V4L2_H264_TOP_FIELD_REF)
 962                        refer_addr |= RKVDEC_TOPFIELD_USED_REF;
 963                if (dpb[i].fields & V4L2_H264_BOTTOM_FIELD_REF)
 964                        refer_addr |= RKVDEC_BOTFIELD_USED_REF;
 965
 966                writel_relaxed(dpb[i].top_field_order_cnt,
 967                               rkvdec->regs +  poc_reg_tbl_top_field[i]);
 968                writel_relaxed(dpb[i].bottom_field_order_cnt,
 969                               rkvdec->regs + poc_reg_tbl_bottom_field[i]);
 970
 971                if (i < V4L2_H264_NUM_DPB_ENTRIES - 1)
 972                        writel_relaxed(refer_addr,
 973                                       rkvdec->regs + RKVDEC_REG_H264_BASE_REFER(i));
 974                else
 975                        writel_relaxed(refer_addr,
 976                                       rkvdec->regs + RKVDEC_REG_H264_BASE_REFER15);
 977        }
 978
 979        /*
 980         * Since support frame mode only
 981         * top_field_order_cnt is the same as bottom_field_order_cnt
 982         */
 983        reg = RKVDEC_CUR_POC(dec_params->top_field_order_cnt);
 984        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_CUR_POC0);
 985
 986        reg = RKVDEC_CUR_POC(dec_params->bottom_field_order_cnt);
 987        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_CUR_POC1);
 988
 989        /* config hw pps address */
 990        offset = offsetof(struct rkvdec_h264_priv_tbl, param_set);
 991        writel_relaxed(priv_start_addr + offset,
 992                       rkvdec->regs + RKVDEC_REG_PPS_BASE);
 993
 994        /* config hw rps address */
 995        offset = offsetof(struct rkvdec_h264_priv_tbl, rps);
 996        writel_relaxed(priv_start_addr + offset,
 997                       rkvdec->regs + RKVDEC_REG_RPS_BASE);
 998
 999        reg = RKVDEC_AXI_DDR_RDATA(0);
1000        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_AXI_DDR_RDATA);
1001
1002        reg = RKVDEC_AXI_DDR_WDATA(0);
1003        writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_AXI_DDR_WDATA);
1004
1005        offset = offsetof(struct rkvdec_h264_priv_tbl, err_info);
1006        writel_relaxed(priv_start_addr + offset,
1007                       rkvdec->regs + RKVDEC_REG_H264_ERRINFO_BASE);
1008}
1009
1010#define RKVDEC_H264_MAX_DEPTH_IN_BYTES          2
1011
1012static int rkvdec_h264_adjust_fmt(struct rkvdec_ctx *ctx,
1013                                  struct v4l2_format *f)
1014{
1015        struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
1016
1017        fmt->num_planes = 1;
1018        fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height *
1019                                      RKVDEC_H264_MAX_DEPTH_IN_BYTES;
1020        return 0;
1021}
1022
1023static int rkvdec_h264_start(struct rkvdec_ctx *ctx)
1024{
1025        struct rkvdec_dev *rkvdec = ctx->dev;
1026        struct rkvdec_h264_priv_tbl *priv_tbl;
1027        struct rkvdec_h264_ctx *h264_ctx;
1028        int ret;
1029
1030        h264_ctx = kzalloc(sizeof(*h264_ctx), GFP_KERNEL);
1031        if (!h264_ctx)
1032                return -ENOMEM;
1033
1034        priv_tbl = dma_alloc_coherent(rkvdec->dev, sizeof(*priv_tbl),
1035                                      &h264_ctx->priv_tbl.dma, GFP_KERNEL);
1036        if (!priv_tbl) {
1037                ret = -ENOMEM;
1038                goto err_free_ctx;
1039        }
1040
1041        h264_ctx->priv_tbl.size = sizeof(*priv_tbl);
1042        h264_ctx->priv_tbl.cpu = priv_tbl;
1043        memcpy(priv_tbl->cabac_table, rkvdec_h264_cabac_table,
1044               sizeof(rkvdec_h264_cabac_table));
1045
1046        ctx->priv = h264_ctx;
1047        return 0;
1048
1049err_free_ctx:
1050        kfree(h264_ctx);
1051        return ret;
1052}
1053
1054static void rkvdec_h264_stop(struct rkvdec_ctx *ctx)
1055{
1056        struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
1057        struct rkvdec_dev *rkvdec = ctx->dev;
1058
1059        dma_free_coherent(rkvdec->dev, h264_ctx->priv_tbl.size,
1060                          h264_ctx->priv_tbl.cpu, h264_ctx->priv_tbl.dma);
1061        kfree(h264_ctx);
1062}
1063
1064static void rkvdec_h264_run_preamble(struct rkvdec_ctx *ctx,
1065                                     struct rkvdec_h264_run *run)
1066{
1067        struct v4l2_ctrl *ctrl;
1068
1069        ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
1070                              V4L2_CID_STATELESS_H264_DECODE_PARAMS);
1071        run->decode_params = ctrl ? ctrl->p_cur.p : NULL;
1072        ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
1073                              V4L2_CID_STATELESS_H264_SPS);
1074        run->sps = ctrl ? ctrl->p_cur.p : NULL;
1075        ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
1076                              V4L2_CID_STATELESS_H264_PPS);
1077        run->pps = ctrl ? ctrl->p_cur.p : NULL;
1078        ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
1079                              V4L2_CID_STATELESS_H264_SCALING_MATRIX);
1080        run->scaling_matrix = ctrl ? ctrl->p_cur.p : NULL;
1081
1082        rkvdec_run_preamble(ctx, &run->base);
1083}
1084
1085static int rkvdec_h264_run(struct rkvdec_ctx *ctx)
1086{
1087        struct v4l2_h264_reflist_builder reflist_builder;
1088        struct rkvdec_dev *rkvdec = ctx->dev;
1089        struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
1090        struct rkvdec_h264_run run;
1091
1092        rkvdec_h264_run_preamble(ctx, &run);
1093
1094        /* Build the P/B{0,1} ref lists. */
1095        v4l2_h264_init_reflist_builder(&reflist_builder, run.decode_params,
1096                                       run.sps, run.decode_params->dpb);
1097        h264_ctx->reflists.num_valid = reflist_builder.num_valid;
1098        v4l2_h264_build_p_ref_list(&reflist_builder, h264_ctx->reflists.p);
1099        v4l2_h264_build_b_ref_lists(&reflist_builder, h264_ctx->reflists.b0,
1100                                    h264_ctx->reflists.b1);
1101
1102        assemble_hw_scaling_list(ctx, &run);
1103        assemble_hw_pps(ctx, &run);
1104        assemble_hw_rps(ctx, &run);
1105        config_registers(ctx, &run);
1106
1107        rkvdec_run_postamble(ctx, &run.base);
1108
1109        schedule_delayed_work(&rkvdec->watchdog_work, msecs_to_jiffies(2000));
1110
1111        writel(0xffffffff, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
1112        writel(0xffffffff, rkvdec->regs + RKVDEC_REG_H264_ERR_E);
1113        writel(1, rkvdec->regs + RKVDEC_REG_PREF_LUMA_CACHE_COMMAND);
1114        writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND);
1115
1116        /* Start decoding! */
1117        writel(RKVDEC_INTERRUPT_DEC_E | RKVDEC_CONFIG_DEC_CLK_GATE_E |
1118               RKVDEC_TIMEOUT_E | RKVDEC_BUF_EMPTY_E,
1119               rkvdec->regs + RKVDEC_REG_INTERRUPT);
1120
1121        return 0;
1122}
1123
1124const struct rkvdec_coded_fmt_ops rkvdec_h264_fmt_ops = {
1125        .adjust_fmt = rkvdec_h264_adjust_fmt,
1126        .start = rkvdec_h264_start,
1127        .stop = rkvdec_h264_stop,
1128        .run = rkvdec_h264_run,
1129};
1130