// SPDX-License-Identifier: GPL-2.0
/*
* Rockchip VPU codec vp8 decode driver
*
* Copyright (C) 2014 Rockchip Electronics Co., Ltd.
* ZhiChao Yu <zhichao.yu@rock-chips.com>
*
* Copyright (C) 2014 Google LLC.
* Tomasz Figa <tfiga@chromium.org>
*
* Copyright (C) 2015 Rockchip Electronics Co., Ltd.
* Alpha Lin <alpha.lin@rock-chips.com>
*/
#include <media/v4l2-mem2mem.h>
#include <media/vp8-ctrls.h>
#include "hantro_hw.h"
#include "hantro.h"
#include "hantro_g1_regs.h"
#define VDPU_REG_DEC_CTRL0 0x0c8
#define VDPU_REG_STREAM_LEN 0x0cc
#define VDPU_REG_DEC_FORMAT 0x0d4
#define VDPU_REG_DEC_CTRL0_DEC_MODE(x) (((x) & 0xf) << 0)
#define VDPU_REG_DATA_ENDIAN 0x0d8
#define VDPU_REG_CONFIG_DEC_STRENDIAN_E BIT(5)
#define VDPU_REG_CONFIG_DEC_STRSWAP32_E BIT(4)
#define VDPU_REG_CONFIG_DEC_OUTSWAP32_E BIT(3)
#define VDPU_REG_CONFIG_DEC_INSWAP32_E BIT(2)
#define VDPU_REG_CONFIG_DEC_OUT_ENDIAN BIT(1)
#define VDPU_REG_CONFIG_DEC_IN_ENDIAN BIT(0)
#define VDPU_REG_AXI_CTRL 0x0e0
#define VDPU_REG_CONFIG_DEC_MAX_BURST(x) (((x) & 0x1f) << 16)
#define VDPU_REG_EN_FLAGS 0x0e4
#define VDPU_REG_DEC_CTRL0_PIC_INTER_E BIT(14)
#define VDPU_REG_CONFIG_DEC_TIMEOUT_E BIT(5)
#define VDPU_REG_CONFIG_DEC_CLK_GATE_E BIT(4)
#define VDPU_REG_PRED_FLT 0x0ec
#define VDPU_REG_ADDR_QTABLE 0x0f4
#define VDPU_REG_ADDR_DST 0x0fc
#define VDPU_REG_ADDR_STR 0x100
#define VDPU_REG_VP8_PIC_MB_SIZE 0x1e0
#define VDPU_REG_VP8_DCT_START_BIT 0x1e4
#define VDPU_REG_DEC_CTRL4_VC1_HEIGHT_EXT BIT(13)
#define VDPU_REG_DEC_CTRL4_BILIN_MC_E BIT(12)
#define VDPU_REG_VP8_CTRL0 0x1e8
#define VDPU_REG_VP8_DATA_VAL 0x1f0
#define VDPU_REG_PRED_FLT7 0x1f4
#define VDPU_REG_PRED_FLT8 0x1f8
#define VDPU_REG_PRED_FLT9 0x1fc
#define VDPU_REG_PRED_FLT10 0x200
#define VDPU_REG_FILTER_LEVEL 0x204
#define VDPU_REG_VP8_QUANTER0 0x208
#define VDPU_REG_VP8_ADDR_REF0 0x20c
#define VDPU_REG_FILTER_MB_ADJ 0x210
#define VDPU_REG_REF_PIC_FILT_TYPE_E BIT(31)
#define VDPU_REG_REF_PIC_FILT_SHARPNESS(x) (((x) & 0x7) << 28)
#define VDPU_REG_FILTER_REF_ADJ 0x214
#define VDPU_REG_VP8_ADDR_REF2_5(i) (0x218 + ((i) * 0x4))
#define VDPU_REG_VP8_GREF_SIGN_BIAS BIT(0)
#define VDPU_REG_VP8_AREF_SIGN_BIAS BIT(0)
#define VDPU_REG_VP8_DCT_BASE(i) \
(0x230 + ((((i) < 5) ? (i) : ((i) + 1)) * 0x4))
#define VDPU_REG_VP8_ADDR_CTRL_PART 0x244
#define VDPU_REG_VP8_SEGMENT_VAL 0x254
#define VDPU_REG_FWD_PIC1_SEGMENT_BASE(x) ((x) << 0)
#define VDPU_REG_FWD_PIC1_SEGMENT_UPD_E BIT(1)
#define VDPU_REG_FWD_PIC1_SEGMENT_E BIT(0)
#define VDPU_REG_VP8_DCT_START_BIT2 0x258
#define VDPU_REG_VP8_QUANTER1 0x25c
#define VDPU_REG_VP8_QUANTER2 0x260
#define VDPU_REG_PRED_FLT1 0x264
#define VDPU_REG_PRED_FLT2 0x268
#define VDPU_REG_PRED_FLT3 0x26c
#define VDPU_REG_PRED_FLT4 0x270
#define VDPU_REG_PRED_FLT5 0x274
#define VDPU_REG_PRED_FLT6 0x278
static const struct hantro_reg vp8_dec_dct_base[8] = {
{ VDPU_REG_ADDR_STR, 0, 0xffffffff },
{ VDPU_REG_VP8_DCT_BASE(0), 0, 0xffffffff },
{ VDPU_REG_VP8_DCT_BASE(1), 0, 0xffffffff },
{ VDPU_REG_VP8_DCT_BASE(2), 0, 0xffffffff },
{ VDPU_REG_VP8_DCT_BASE(3), 0, 0xffffffff },
{ VDPU_REG_VP8_DCT_BASE(4), 0, 0xffffffff },
{ VDPU_REG_VP8_DCT_BASE(5), 0, 0xffffffff },
{ VDPU_REG_VP8_DCT_BASE(6), 0, 0xffffffff },
};
static const struct hantro_reg vp8_dec_lf_level[4] = {
{ VDPU_REG_FILTER_LEVEL, 18, 0x3f },
{ VDPU_REG_FILTER_LEVEL, 12, 0x3f },
{ VDPU_REG_FILTER_LEVEL, 6, 0x3f },
{ VDPU_REG_FILTER_LEVEL, 0, 0x3f },
};
static const struct hantro_reg vp8_dec_mb_adj[4] = {
{ VDPU_REG_FILTER_MB_ADJ, 21, 0x7f },
{ VDPU_REG_FILTER_MB_ADJ, 14, 0x7f },
{ VDPU_REG_FILTER_MB_ADJ, 7, 0x7f },
{ VDPU_REG_FILTER_MB_ADJ, 0, 0x7f },
};
static const struct hantro_reg vp8_dec_ref_adj[4] = {
{ VDPU_REG_FILTER_REF_ADJ, 21, 0x7f },
{ VDPU_REG_FILTER_REF_ADJ, 14, 0x7f },
{ VDPU_REG_FILTER_REF_ADJ, 7, 0x7f },
{ VDPU_REG_FILTER_REF_ADJ, 0, 0x7f },
};
static const struct hantro_reg vp8_dec_quant[4] = {
{ VDPU_REG_VP8_QUANTER0, 11, 0x7ff },
{ VDPU_REG_VP8_QUANTER0, 0, 0x7ff },
{ VDPU_REG_VP8_QUANTER1, 11, 0x7ff },
{ VDPU_REG_VP8_QUANTER1, 0, 0x7ff },
};
static const struct hantro_reg vp8_dec_quant_delta[5] = {
{ VDPU_REG_VP8_QUANTER0, 27, 0x1f },
{ VDPU_REG_VP8_QUANTER0, 22, 0x1f },
{ VDPU_REG_VP8_QUANTER1, 27, 0x1f },
{ VDPU_REG_VP8_QUANTER1, 22, 0x1f },
{ VDPU_REG_VP8_QUANTER2, 27, 0x1f },
};
static const struct hantro_reg vp8_dec_dct_start_bits[8] = {
{ VDPU_REG_VP8_CTRL0, 26, 0x3f },
{ VDPU_REG_VP8_DCT_START_BIT, 26, 0x3f },
{ VDPU_REG_VP8_DCT_START_BIT, 20, 0x3f },
{ VDPU_REG_VP8_DCT_START_BIT2, 24, 0x3f },
{ VDPU_REG_VP8_DCT_START_BIT2, 18, 0x3f },
{ VDPU_REG_VP8_DCT_START_BIT2, 12, 0x3f },
{ VDPU_REG_VP8_DCT_START_BIT2, 6, 0x3f },
{ VDPU_REG_VP8_DCT_START_BIT2, 0, 0x3f },
};
static const struct hantro_reg vp8_dec_pred_bc_tap[8][6] = {
{
{ 0, 0, 0},
{ VDPU_REG_PRED_FLT, 22, 0x3ff },
{ VDPU_REG_PRED_FLT, 12, 0x3ff },
{ VDPU_REG_PRED_FLT, 2, 0x3ff },
{ VDPU_REG_PRED_FLT1, 22, 0x3ff },
{ 0, 0, 0},
}, {
{ 0, 0, 0},
{ VDPU_REG_PRED_FLT1, 12, 0x3ff },
{ VDPU_REG_PRED_FLT1, 2, 0x3ff },
{ VDPU_REG_PRED_FLT2, 22, 0x3ff },
{ VDPU_REG_PRED_FLT2, 12, 0x3ff },
{ 0, 0, 0},
}, {
{ VDPU_REG_PRED_FLT10, 10, 0x3 },
{ VDPU_REG_PRED_FLT2, 2, 0x3ff },
{ VDPU_REG_PRED_FLT3, 22, 0x3ff },
{ VDPU_REG_PRED_FLT3, 12, 0x3ff },
{ VDPU_REG_PRED_FLT3, 2, 0x3ff },
{ VDPU_REG_PRED_FLT10, 8, 0x3},
}, {
{ 0, 0, 0},
{ VDPU_REG_PRED_FLT4, 22, 0x3ff },
{ VDPU_REG_PRED_FLT4, 12, 0x3ff },
{ VDPU_REG_PRED_FLT4, 2, 0x3ff },
{ VDPU_REG_PRED_FLT5, 22, 0x3ff },
{ 0, 0, 0},
}, {
{ VDPU_REG_PRED_FLT10, 6, 0x3 },
{ VDPU_REG_PRED_FLT5, 12, 0x3ff },
{ VDPU_REG_PRED_FLT5, 2, 0x3ff },
{ VDPU_REG_PRED_FLT6, 22, 0x3ff },
{ VDPU_REG_PRED_FLT6, 12, 0x3ff },
{ VDPU_REG_PRED_FLT10, 4, 0x3 },
}, {
{ 0, 0, 0},
{ VDPU_REG_PRED_FLT6, 2, 0x3ff },
{ VDPU_REG_PRED_FLT7, 22, 0x3ff },
{ VDPU_REG_PRED_FLT7, 12, 0x3ff },
{ VDPU_REG_PRED_FLT7, 2, 0x3ff },
{ 0, 0, 0},
}, {
{ VDPU_REG_PRED_FLT10, 2, 0x3 },
{ VDPU_REG_PRED_FLT8, 22, 0x3ff },
{ VDPU_REG_PRED_FLT8, 12, 0x3ff },
{ VDPU_REG_PRED_FLT8, 2, 0x3ff },
{ VDPU_REG_PRED_FLT9, 22, 0x3ff },
{ VDPU_REG_PRED_FLT10, 0, 0x3 },
}, {
{ 0, 0, 0},
{ VDPU_REG_PRED_FLT9, 12, 0x3ff },
{ VDPU_REG_PRED_FLT9, 2, 0x3ff },
{ VDPU_REG_PRED_FLT10, 22, 0x3ff },
{ VDPU_REG_PRED_FLT10, 12, 0x3ff },
{ 0, 0, 0},
},
};
static const struct hantro_reg vp8_dec_mb_start_bit = {
.base = VDPU_REG_VP8_CTRL0,
.shift = 18,
.mask = 0x3f
};
static const struct hantro_reg vp8_dec_mb_aligned_data_len = {
.base = VDPU_REG_VP8_DATA_VAL,
.shift = 0,
.mask = 0x3fffff
};
static const struct hantro_reg vp8_dec_num_dct_partitions = {
.base = VDPU_REG_VP8_DATA_VAL,
.shift = 24,
.mask = 0xf
};
static const struct hantro_reg vp8_dec_stream_len = {
.base = VDPU_REG_STREAM_LEN,
.shift = 0,
.mask = 0xffffff
};
static const struct hantro_reg vp8_dec_mb_width = {
.base = VDPU_REG_VP8_PIC_MB_SIZE,
.shift = 23,
.mask = 0x1ff
};
static const struct hantro_reg vp8_dec_mb_height = {
.base = VDPU_REG_VP8_PIC_MB_SIZE,
.shift = 11,
.mask = 0xff
};
static const struct hantro_reg vp8_dec_mb_width_ext = {
.base = VDPU_REG_VP8_PIC_MB_SIZE,
.shift = 3,
.mask = 0x7
};
static const struct hantro_reg vp8_dec_mb_height_ext = {
.base = VDPU_REG_VP8_PIC_MB_SIZE,
.shift = 0,
.mask = 0x7
};
static const struct hantro_reg vp8_dec_bool_range = {
.base = VDPU_REG_VP8_CTRL0,
.shift = 0,
.mask = 0xff
};
static const struct hantro_reg vp8_dec_bool_value = {
.base = VDPU_REG_VP8_CTRL0,
.shift = 8,
.mask = 0xff
};
static const struct hantro_reg vp8_dec_filter_disable = {
.base = VDPU_REG_DEC_CTRL0,
.shift = 8,
.mask = 1
};
static const struct hantro_reg vp8_dec_skip_mode = {
.base = VDPU_REG_DEC_CTRL0,
.shift = 9,
.mask = 1
};
static const struct hantro_reg vp8_dec_start_dec = {
.base = VDPU_REG_EN_FLAGS,
.shift = 0,
.mask = 1
};
static void cfg_lf(struct hantro_ctx *ctx,
const struct v4l2_ctrl_vp8_frame_header *hdr)
{
const struct v4l2_vp8_segment_header *seg = &hdr->segment_header;
const struct v4l2_vp8_loopfilter_header *lf = &hdr->lf_header;
struct hantro_dev *vpu = ctx->dev;
unsigned int i;
u32 reg;
if (!(seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED)) {
hantro_reg_write(vpu, &vp8_dec_lf_level[0], lf->level);
} else if (seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE) {
for (i = 0; i < 4; i++) {
u32 lf_level = clamp(lf->level + seg->lf_update[i],
0, 63);
hantro_reg_write(vpu, &vp8_dec_lf_level[i], lf_level);
}
} else {
for (i = 0; i < 4; i++)
hantro_reg_write(vpu, &vp8_dec_lf_level[i],
seg->lf_update[i]);
}
reg = VDPU_REG_REF_PIC_FILT_SHARPNESS(lf->sharpness_level);
if (lf->flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE)
reg |= VDPU_REG_REF_PIC_FILT_TYPE_E;
vdpu_write_relaxed(vpu, reg, VDPU_REG_FILTER_MB_ADJ);
if (lf->flags & V4L2_VP8_LF_HEADER_ADJ_ENABLE) {
for (i = 0; i < 4; i++) {
hantro_reg_write(vpu, &vp8_dec_mb_adj[i],
lf->mb_mode_delta[i]);
hantro_reg_write(vpu, &vp8_dec_ref_adj[i],
lf->ref_frm_delta[i]);
}
}
}
static void cfg_qp(struct hantro_ctx *ctx,
const struct v4l2_ctrl_vp8_frame_header *hdr)
{
const struct v4l2_vp8_quantization_header *q = &hdr->quant_header;
const struct v4l2_vp8_segment_header *seg = &hdr->segment_header;
struct hantro_dev *vpu = ctx->dev;
unsigned int i;
if (!(seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED)) {
hantro_reg_write(vpu, &vp8_dec_quant[0], q->y_ac_qi);
} else if (seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE) {
for (i = 0; i < 4; i++) {
u32 quant = clamp(q->y_ac_qi + seg->quant_update[i],
0, 127);
hantro_reg_write(vpu, &vp8_dec_quant[i], quant);
}
} else {
for (i = 0; i < 4; i++)
hantro_reg_write(vpu, &vp8_dec_quant[i],
seg->quant_update[i]);
}
hantro_reg_write(vpu, &vp8_dec_quant_delta[0], q->y_dc_delta);
hantro_reg_write(vpu, &vp8_dec_quant_delta[1], q->y2_dc_delta);
hantro_reg_write(vpu, &vp8_dec_quant_delta[2], q->y2_ac_delta);
hantro_reg_write(vpu, &vp8_dec_quant_delta[3], q->uv_dc_delta);
hantro_reg_write(vpu, &vp8_dec_quant_delta[4], q->uv_ac_delta);
}
static void cfg_parts(struct hantro_ctx *ctx,
const struct v4l2_ctrl_vp8_frame_header *hdr)
{
struct hantro_dev *vpu = ctx->dev;
struct vb2_v4l2_buffer *vb2_src;
u32 first_part_offset = VP8_FRAME_IS_KEY_FRAME(hdr) ? 10 : 3;
u32 mb_size, mb_offset_bytes, mb_offset_bits, mb_start_bits;
u32 dct_size_part_size, dct_part_offset;
dma_addr_t src_dma;
u32 dct_part_total_len = 0;
u32 count = 0;
unsigned int i;
vb2_src = hantro_get_src_buf(ctx);
src_dma = vb2_dma_contig_plane_dma_addr(&vb2_src->vb2_buf, 0);
/*
* Calculate control partition mb data info
* @first_part_header_bits: bits offset of mb data from first
* part start pos
* @mb_offset_bits: bits offset of mb data from src_dma
* base addr
* @mb_offset_byte: bytes offset of mb data from src_dma
* base addr
* @mb_start_bits: bits offset of mb data from mb data
* 64bits alignment addr
*/
mb_offset_bits = first_part_offset * 8 +
hdr->first_part_header_bits + 8;
mb_offset_bytes = mb_offset_bits / 8;
mb_start_bits = mb_offset_bits -
(mb_offset_bytes & (~DEC_8190_ALIGN_MASK)) * 8;
mb_size = hdr->first_part_size -
(mb_offset_bytes - first_part_offset) +
(mb_offset_bytes & DEC_8190_ALIGN_MASK);
/* Macroblock data aligned base addr */
vdpu_write_relaxed(vpu, (mb_offset_bytes & (~DEC_8190_ALIGN_MASK)) +
src_dma, VDPU_REG_VP8_ADDR_CTRL_PART);
hantro_reg_write(vpu, &vp8_dec_mb_start_bit, mb_start_bits);
hantro_reg_write(vpu, &vp8_dec_mb_aligned_data_len, mb_size);
/*
* Calculate DCT partition info
* @dct_size_part_size: Containing sizes of DCT part, every DCT part
* has 3 bytes to store its size, except the last
* DCT part
* @dct_part_offset: bytes offset of DCT parts from src_dma base addr
* @dct_part_total_len: total size of all DCT parts
*/
dct_size_part_size = (hdr->num_dct_parts - 1) * 3;
dct_part_offset = first_part_offset + hdr->first_part_size;
for (i = 0; i < hdr->num_dct_parts; i++)
dct_part_total_len += hdr->dct_part_sizes[i];
dct_part_total_len += dct_size_part_size;
dct_part_total_len += (dct_part_offset & DEC_8190_ALIGN_MASK);
/* Number of DCT partitions */
hantro_reg_write(vpu, &vp8_dec_num_dct_partitions,
hdr->num_dct_parts - 1);
/* DCT partition length */
hantro_reg_write(vpu, &vp8_dec_stream_len, dct_part_total_len);
/* DCT partitions base address */
for (i = 0; i < hdr->num_dct_parts; i++) {
u32 byte_offset = dct_part_offset + dct_size_part_size + count;
u32 base_addr = byte_offset + src_dma;
hantro_reg_write(vpu, &vp8_dec_dct_base[i],
base_addr & (~DEC_8190_ALIGN_MASK));
hantro_reg_write(vpu, &vp8_dec_dct_start_bits[i],
(byte_offset & DEC_8190_ALIGN_MASK) * 8);
count += hdr->dct_part_sizes[i];
}
}
/*
* prediction filter taps
* normal 6-tap filters
*/
static void cfg_tap(struct hantro_ctx *ctx,
const struct v4l2_ctrl_vp8_frame_header *hdr)
{
struct hantro_dev *vpu = ctx->dev;
int i, j;
if ((hdr->version & 0x03) != 0)
return; /* Tap filter not used. */
for (i = 0; i < 8; i++) {
for (j = 0; j < 6; j++) {
if (vp8_dec_pred_bc_tap[i][j].base != 0)
hantro_reg_write(vpu,
&vp8_dec_pred_bc_tap[i][j],
hantro_vp8_dec_mc_filter[i][j]);
}
}
}
static void cfg_ref(struct hantro_ctx *ctx,
const struct v4l2_ctrl_vp8_frame_header *hdr)
{
struct hantro_dev *vpu = ctx->dev;
struct vb2_v4l2_buffer *vb2_dst;
dma_addr_t ref;
vb2_dst = hantro_get_dst_buf(ctx);
ref = hantro_get_ref(ctx, hdr->last_frame_ts);
if (!ref) {
vpu_debug(0, "failed to find last frame ts=%llu\n",
hdr->last_frame_ts);
ref = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0);
}
vdpu_write_relaxed(vpu, ref, VDPU_REG_VP8_ADDR_REF0);
ref = hantro_get_ref(ctx, hdr->golden_frame_ts);
if (!ref && hdr->golden_frame_ts)
vpu_debug(0, "failed to find golden frame ts=%llu\n",
hdr->golden_frame_ts);
if (!ref)
ref = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0);
if (hdr->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN)
ref |= VDPU_REG_VP8_GREF_SIGN_BIAS;
vdpu_write_relaxed(vpu, ref, VDPU_REG_VP8_ADDR_REF2_5(2));
ref = hantro_get_ref(ctx, hdr->alt_frame_ts);
if (!ref && hdr->alt_frame_ts)
vpu_debug(0, "failed to find alt frame ts=%llu\n",
hdr->alt_frame_ts);
if (!ref)
ref = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0);
if (hdr->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT)
ref |= VDPU_REG_VP8_AREF_SIGN_BIAS;
vdpu_write_relaxed(vpu, ref, VDPU_REG_VP8_ADDR_REF2_5(3));
}
static void cfg_buffers(struct hantro_ctx *ctx,
const struct v4l2_ctrl_vp8_frame_header *hdr)
{
const struct v4l2_vp8_segment_header *seg = &hdr->segment_header;
struct hantro_dev *vpu = ctx->dev;
struct vb2_v4l2_buffer *vb2_dst;
dma_addr_t dst_dma;
u32 reg;
vb2_dst = hantro_get_dst_buf(ctx);
/* Set probability table buffer address */
vdpu_write_relaxed(vpu, ctx->vp8_dec.prob_tbl.dma,
VDPU_REG_ADDR_QTABLE);
/* Set segment map address */
reg = VDPU_REG_FWD_PIC1_SEGMENT_BASE(ctx->vp8_dec.segment_map.dma);
if (seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED) {
reg |= VDPU_REG_FWD_PIC1_SEGMENT_E;
if (seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP)
reg |= VDPU_REG_FWD_PIC1_SEGMENT_UPD_E;
}
vdpu_write_relaxed(vpu, reg, VDPU_REG_VP8_SEGMENT_VAL);
/* set output frame buffer address */
dst_dma = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0);
vdpu_write_relaxed(vpu, dst_dma, VDPU_REG_ADDR_DST);
}
void rk3399_vpu_vp8_dec_run(struct hantro_ctx *ctx)
{
const struct v4l2_ctrl_vp8_frame_header *hdr;
struct hantro_dev *vpu = ctx->dev;
size_t height = ctx->dst_fmt.height;
size_t width = ctx->dst_fmt.width;
u32 mb_width, mb_height;
u32 reg;
hantro_start_prepare_run(ctx);
hdr = hantro_get_ctrl(ctx, V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER);
if (WARN_ON(!hdr))
return;
/* Reset segment_map buffer in keyframe */
if (VP8_FRAME_IS_KEY_FRAME(hdr) && ctx->vp8_dec.segment_map.cpu)
memset(ctx->vp8_dec.segment_map.cpu, 0,
ctx->vp8_dec.segment_map.size);
hantro_vp8_prob_update(ctx, hdr);
/*
* Extensive testing shows that the hardware does not properly
* clear the internal state from previous a decoding run. This
* causes corruption in decoded frames for multi-instance use cases.
* A soft reset before programming the registers has been found
* to resolve those problems.
*/
ctx->codec_ops->reset(ctx);
reg = VDPU_REG_CONFIG_DEC_TIMEOUT_E
| VDPU_REG_CONFIG_DEC_CLK_GATE_E;
if (!VP8_FRAME_IS_KEY_FRAME(hdr))
reg |= VDPU_REG_DEC_CTRL0_PIC_INTER_E;
vdpu_write_relaxed(vpu, reg, VDPU_REG_EN_FLAGS);
reg = VDPU_REG_CONFIG_DEC_STRENDIAN_E
| VDPU_REG_CONFIG_DEC_INSWAP32_E
| VDPU_REG_CONFIG_DEC_STRSWAP32_E
| VDPU_REG_CONFIG_DEC_OUTSWAP32_E
| VDPU_REG_CONFIG_DEC_IN_ENDIAN
| VDPU_REG_CONFIG_DEC_OUT_ENDIAN;
vdpu_write_relaxed(vpu, reg, VDPU_REG_DATA_ENDIAN);
reg = VDPU_REG_CONFIG_DEC_MAX_BURST(16);
vdpu_write_relaxed(vpu, reg, VDPU_REG_AXI_CTRL);
reg = VDPU_REG_DEC_CTRL0_DEC_MODE(10);
vdpu_write_relaxed(vpu, reg, VDPU_REG_DEC_FORMAT);
if (!(hdr->flags & V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF))
hantro_reg_write(vpu, &vp8_dec_skip_mode, 1);
if (hdr->lf_header.level == 0)
hantro_reg_write(vpu, &vp8_dec_filter_disable, 1);
/* Frame dimensions */
mb_width = MB_WIDTH(width);
mb_height = MB_HEIGHT(height);
hantro_reg_write(vpu, &vp8_dec_mb_width, mb_width);
hantro_reg_write(vpu, &vp8_dec_mb_height, mb_height);
hantro_reg_write(vpu, &vp8_dec_mb_width_ext, mb_width >> 9);
hantro_reg_write(vpu, &vp8_dec_mb_height_ext, mb_height >> 8);
/* Boolean decoder */
hantro_reg_write(vpu, &vp8_dec_bool_range, hdr->coder_state.range);
hantro_reg_write(vpu, &vp8_dec_bool_value, hdr->coder_state.value);
reg = vdpu_read(vpu, VDPU_REG_VP8_DCT_START_BIT);
if (hdr->version != 3)
reg |= VDPU_REG_DEC_CTRL4_VC1_HEIGHT_EXT;
if (hdr->version & 0x3)
reg |= VDPU_REG_DEC_CTRL4_BILIN_MC_E;
vdpu_write_relaxed(vpu, reg, VDPU_REG_VP8_DCT_START_BIT);
cfg_lf(ctx, hdr);
cfg_qp(ctx, hdr);
cfg_parts(ctx, hdr);
cfg_tap(ctx, hdr);
cfg_ref(ctx, hdr);
cfg_buffers(ctx, hdr);
hantro_end_prepare_run(ctx);
hantro_reg_write(vpu, &vp8_dec_start_dec, 1);
}