diff options
Diffstat (limited to 'drivers/staging/media/hantro/hantro_g1_vp8_dec.c')
| -rw-r--r-- | drivers/staging/media/hantro/hantro_g1_vp8_dec.c | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/drivers/staging/media/hantro/hantro_g1_vp8_dec.c b/drivers/staging/media/hantro/hantro_g1_vp8_dec.c new file mode 100644 index 000000000000..6d99c2be01cf --- /dev/null +++ b/drivers/staging/media/hantro/hantro_g1_vp8_dec.c @@ -0,0 +1,503 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Hantro VP8 codec driver + * + * Copyright (C) 2019 Rockchip Electronics Co., Ltd. + * ZhiChao Yu <zhichao.yu@rock-chips.com> + * + * Copyright (C) 2019 Google, Inc. + * Tomasz Figa <tfiga@chromium.org> + */ + +#include <media/v4l2-mem2mem.h> +#include <media/vp8-ctrls.h> + +#include "hantro_hw.h" +#include "hantro.h" +#include "hantro_g1_regs.h" + +/* DCT partition base address regs */ +static const struct hantro_reg vp8_dec_dct_base[8] = { + { G1_REG_ADDR_STR, 0, 0xffffffff }, + { G1_REG_ADDR_REF(8), 0, 0xffffffff }, + { G1_REG_ADDR_REF(9), 0, 0xffffffff }, + { G1_REG_ADDR_REF(10), 0, 0xffffffff }, + { G1_REG_ADDR_REF(11), 0, 0xffffffff }, + { G1_REG_ADDR_REF(12), 0, 0xffffffff }, + { G1_REG_ADDR_REF(14), 0, 0xffffffff }, + { G1_REG_ADDR_REF(15), 0, 0xffffffff }, +}; + +/* Loop filter level regs */ +static const struct hantro_reg vp8_dec_lf_level[4] = { + { G1_REG_REF_PIC(2), 18, 0x3f }, + { G1_REG_REF_PIC(2), 12, 0x3f }, + { G1_REG_REF_PIC(2), 6, 0x3f }, + { G1_REG_REF_PIC(2), 0, 0x3f }, +}; + +/* Macroblock loop filter level adjustment regs */ +static const struct hantro_reg vp8_dec_mb_adj[4] = { + { G1_REG_REF_PIC(0), 21, 0x7f }, + { G1_REG_REF_PIC(0), 14, 0x7f }, + { G1_REG_REF_PIC(0), 7, 0x7f }, + { G1_REG_REF_PIC(0), 0, 0x7f }, +}; + +/* Reference frame adjustment regs */ +static const struct hantro_reg vp8_dec_ref_adj[4] = { + { G1_REG_REF_PIC(1), 21, 0x7f }, + { G1_REG_REF_PIC(1), 14, 0x7f }, + { G1_REG_REF_PIC(1), 7, 0x7f }, + { G1_REG_REF_PIC(1), 0, 0x7f }, +}; + +/* Quantizer */ +static const struct hantro_reg vp8_dec_quant[4] = { + { G1_REG_REF_PIC(3), 11, 0x7ff }, + { G1_REG_REF_PIC(3), 0, 0x7ff }, + { G1_REG_BD_REF_PIC(4), 11, 0x7ff }, + { G1_REG_BD_REF_PIC(4), 0, 0x7ff }, +}; + +/* Quantizer delta regs */ +static const struct hantro_reg vp8_dec_quant_delta[5] = { + { G1_REG_REF_PIC(3), 27, 0x1f }, + { G1_REG_REF_PIC(3), 22, 0x1f }, + { G1_REG_BD_REF_PIC(4), 27, 0x1f }, + { G1_REG_BD_REF_PIC(4), 22, 0x1f }, + { G1_REG_BD_P_REF_PIC, 27, 0x1f }, +}; + +/* DCT partition start bits regs */ +static const struct hantro_reg vp8_dec_dct_start_bits[8] = { + { G1_REG_DEC_CTRL2, 26, 0x3f }, { G1_REG_DEC_CTRL4, 26, 0x3f }, + { G1_REG_DEC_CTRL4, 20, 0x3f }, { G1_REG_DEC_CTRL7, 24, 0x3f }, + { G1_REG_DEC_CTRL7, 18, 0x3f }, { G1_REG_DEC_CTRL7, 12, 0x3f }, + { G1_REG_DEC_CTRL7, 6, 0x3f }, { G1_REG_DEC_CTRL7, 0, 0x3f }, +}; + +/* Precision filter tap regs */ +static const struct hantro_reg vp8_dec_pred_bc_tap[8][4] = { + { + { G1_REG_PRED_FLT, 22, 0x3ff }, + { G1_REG_PRED_FLT, 12, 0x3ff }, + { G1_REG_PRED_FLT, 2, 0x3ff }, + { G1_REG_REF_PIC(4), 22, 0x3ff }, + }, + { + { G1_REG_REF_PIC(4), 12, 0x3ff }, + { G1_REG_REF_PIC(4), 2, 0x3ff }, + { G1_REG_REF_PIC(5), 22, 0x3ff }, + { G1_REG_REF_PIC(5), 12, 0x3ff }, + }, + { + { G1_REG_REF_PIC(5), 2, 0x3ff }, + { G1_REG_REF_PIC(6), 22, 0x3ff }, + { G1_REG_REF_PIC(6), 12, 0x3ff }, + { G1_REG_REF_PIC(6), 2, 0x3ff }, + }, + { + { G1_REG_REF_PIC(7), 22, 0x3ff }, + { G1_REG_REF_PIC(7), 12, 0x3ff }, + { G1_REG_REF_PIC(7), 2, 0x3ff }, + { G1_REG_LT_REF, 22, 0x3ff }, + }, + { + { G1_REG_LT_REF, 12, 0x3ff }, + { G1_REG_LT_REF, 2, 0x3ff }, + { G1_REG_VALID_REF, 22, 0x3ff }, + { G1_REG_VALID_REF, 12, 0x3ff }, + }, + { + { G1_REG_VALID_REF, 2, 0x3ff }, + { G1_REG_BD_REF_PIC(0), 22, 0x3ff }, + { G1_REG_BD_REF_PIC(0), 12, 0x3ff }, + { G1_REG_BD_REF_PIC(0), 2, 0x3ff }, + }, + { + { G1_REG_BD_REF_PIC(1), 22, 0x3ff }, + { G1_REG_BD_REF_PIC(1), 12, 0x3ff }, + { G1_REG_BD_REF_PIC(1), 2, 0x3ff }, + { G1_REG_BD_REF_PIC(2), 22, 0x3ff }, + }, + { + { G1_REG_BD_REF_PIC(2), 12, 0x3ff }, + { G1_REG_BD_REF_PIC(2), 2, 0x3ff }, + { G1_REG_BD_REF_PIC(3), 22, 0x3ff }, + { G1_REG_BD_REF_PIC(3), 12, 0x3ff }, + }, +}; + +/* + * Set loop filters + */ +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 = G1_REG_REF_PIC_FILT_SHARPNESS(lf->sharpness_level); + if (lf->flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE) + reg |= G1_REG_REF_PIC_FILT_TYPE_E; + vdpu_write_relaxed(vpu, reg, G1_REG_REF_PIC(0)); + + 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]); + } + } +} + +/* + * Set quantization parameters + */ +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); +} + +/* + * set control partition and DCT partition regs + * + * VP8 frame stream data layout: + * + * first_part_size parttion_sizes[0] + * ^ ^ + * src_dma | | + * ^ +--------+------+ +-----+-----+ + * | | control part | | | + * +--------+----------------+------------------+-----------+-----+-----------+ + * | tag 3B | extra 7B | hdr | mb_data | DCT sz | DCT part0 | ... | DCT partn | + * +--------+-----------------------------------+-----------+-----+-----------+ + * | | | | + * v +----+---+ v + * mb_start | src_dma_end + * v + * DCT size part + * (num_dct-1)*3B + * Note: + * 1. only key-frames have extra 7-bytes + * 2. all offsets are base on src_dma + * 3. number of DCT parts is 1, 2, 4 or 8 + * 4. the addresses set to the VPU must be 64-bits aligned + */ +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; + struct hantro_reg reg; + 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, G1_REG_ADDR_REF(13)); + + /* Macroblock data start bits */ + reg.base = G1_REG_DEC_CTRL2; + reg.mask = 0x3f; + reg.shift = 18; + hantro_reg_write(vpu, ®, mb_start_bits); + + /* Macroblock aligned data length */ + reg.base = G1_REG_DEC_CTRL6; + reg.mask = 0x3fffff; + reg.shift = 0; + hantro_reg_write(vpu, ®, mb_size + 1); + + /* + * 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 */ + reg.base = G1_REG_DEC_CTRL6; + reg.mask = 0xf; + reg.shift = 24; + hantro_reg_write(vpu, ®, hdr->num_dct_parts - 1); + + /* DCT partition length */ + vdpu_write_relaxed(vpu, + G1_REG_DEC_CTRL3_STREAM_LEN(dct_part_total_len), + G1_REG_DEC_CTRL3); + + /* 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; + struct hantro_reg reg; + u32 val = 0; + int i, j; + + reg.base = G1_REG_BD_REF_PIC(3); + reg.mask = 0xf; + + if ((hdr->version & 0x03) != 0) + return; /* Tap filter not used. */ + + for (i = 0; i < 8; i++) { + val = (hantro_vp8_dec_mc_filter[i][0] << 2) | + hantro_vp8_dec_mc_filter[i][5]; + + for (j = 0; j < 4; j++) + hantro_reg_write(vpu, &vp8_dec_pred_bc_tap[i][j], + hantro_vp8_dec_mc_filter[i][j + 1]); + + switch (i) { + case 2: + reg.shift = 8; + break; + case 4: + reg.shift = 4; + break; + case 6: + reg.shift = 0; + break; + default: + continue; + } + + hantro_reg_write(vpu, ®, val); + } +} + +static void cfg_ref(struct hantro_ctx *ctx, + const struct v4l2_ctrl_vp8_frame_header *hdr) +{ + struct vb2_queue *cap_q = &ctx->fh.m2m_ctx->cap_q_ctx.q; + 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(cap_q, hdr->last_frame_ts); + if (!ref) + ref = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0); + vdpu_write_relaxed(vpu, ref, G1_REG_ADDR_REF(0)); + + ref = hantro_get_ref(cap_q, hdr->golden_frame_ts); + WARN_ON(!ref && 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 |= G1_REG_ADDR_REF_TOPC_E; + vdpu_write_relaxed(vpu, ref, G1_REG_ADDR_REF(4)); + + ref = hantro_get_ref(cap_q, hdr->alt_frame_ts); + WARN_ON(!ref && 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 |= G1_REG_ADDR_REF_TOPC_E; + vdpu_write_relaxed(vpu, ref, G1_REG_ADDR_REF(5)); +} + +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, + G1_REG_ADDR_QTABLE); + + /* Set segment map address */ + reg = G1_REG_FWD_PIC1_SEGMENT_BASE(ctx->vp8_dec.segment_map.dma); + if (seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED) { + reg |= G1_REG_FWD_PIC1_SEGMENT_E; + if (seg->flags & V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP) + reg |= G1_REG_FWD_PIC1_SEGMENT_UPD_E; + } + vdpu_write_relaxed(vpu, reg, G1_REG_FWD_PIC(0)); + + dst_dma = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0); + vdpu_write_relaxed(vpu, dst_dma, G1_REG_ADDR_DST); +} + +void hantro_g1_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_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); + + reg = G1_REG_CONFIG_DEC_TIMEOUT_E | + G1_REG_CONFIG_DEC_STRENDIAN_E | + G1_REG_CONFIG_DEC_INSWAP32_E | + G1_REG_CONFIG_DEC_STRSWAP32_E | + G1_REG_CONFIG_DEC_OUTSWAP32_E | + G1_REG_CONFIG_DEC_CLK_GATE_E | + G1_REG_CONFIG_DEC_IN_ENDIAN | + G1_REG_CONFIG_DEC_OUT_ENDIAN | + G1_REG_CONFIG_DEC_MAX_BURST(16); + vdpu_write_relaxed(vpu, reg, G1_REG_CONFIG); + + reg = G1_REG_DEC_CTRL0_DEC_MODE(10); + if (!VP8_FRAME_IS_KEY_FRAME(hdr)) + reg |= G1_REG_DEC_CTRL0_PIC_INTER_E; + if (!(hdr->flags & V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF)) + reg |= G1_REG_DEC_CTRL0_SKIP_MODE; + if (hdr->lf_header.level == 0) + reg |= G1_REG_DEC_CTRL0_FILTERING_DIS; + vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL0); + + /* Frame dimensions */ + mb_width = VP8_MB_WIDTH(width); + mb_height = VP8_MB_HEIGHT(height); + reg = G1_REG_DEC_CTRL1_PIC_MB_WIDTH(mb_width) | + G1_REG_DEC_CTRL1_PIC_MB_HEIGHT_P(mb_height) | + G1_REG_DEC_CTRL1_PIC_MB_W_EXT(mb_width >> 9) | + G1_REG_DEC_CTRL1_PIC_MB_H_EXT(mb_height >> 8); + vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL1); + + /* Boolean decoder */ + reg = G1_REG_DEC_CTRL2_BOOLEAN_RANGE(hdr->coder_state.range) + | G1_REG_DEC_CTRL2_BOOLEAN_VALUE(hdr->coder_state.value); + vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL2); + + reg = 0; + if (hdr->version != 3) + reg |= G1_REG_DEC_CTRL4_VC1_HEIGHT_EXT; + if (hdr->version & 0x3) + reg |= G1_REG_DEC_CTRL4_BILIN_MC_E; + vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL4); + + 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_finish_run(ctx); + + vdpu_write(vpu, G1_REG_INTERRUPT_DEC_E, G1_REG_INTERRUPT); +} |