512 lines
15 KiB
C
512 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Hantro VP8 codec driver
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*
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* Copyright (C) 2019 Rockchip Electronics Co., Ltd.
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* ZhiChao Yu <zhichao.yu@rock-chips.com>
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*
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* Copyright (C) 2019 Google, Inc.
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* Tomasz Figa <tfiga@chromium.org>
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*/
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#include <media/v4l2-mem2mem.h>
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#include "hantro_hw.h"
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#include "hantro.h"
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#include "hantro_g1_regs.h"
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/* DCT partition base address regs */
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static const struct hantro_reg vp8_dec_dct_base[8] = {
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{ G1_REG_ADDR_STR, 0, 0xffffffff },
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{ G1_REG_ADDR_REF(8), 0, 0xffffffff },
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{ G1_REG_ADDR_REF(9), 0, 0xffffffff },
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{ G1_REG_ADDR_REF(10), 0, 0xffffffff },
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{ G1_REG_ADDR_REF(11), 0, 0xffffffff },
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{ G1_REG_ADDR_REF(12), 0, 0xffffffff },
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{ G1_REG_ADDR_REF(14), 0, 0xffffffff },
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{ G1_REG_ADDR_REF(15), 0, 0xffffffff },
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};
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/* Loop filter level regs */
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static const struct hantro_reg vp8_dec_lf_level[4] = {
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{ G1_REG_REF_PIC(2), 18, 0x3f },
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{ G1_REG_REF_PIC(2), 12, 0x3f },
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{ G1_REG_REF_PIC(2), 6, 0x3f },
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{ G1_REG_REF_PIC(2), 0, 0x3f },
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};
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/* Macroblock loop filter level adjustment regs */
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static const struct hantro_reg vp8_dec_mb_adj[4] = {
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{ G1_REG_REF_PIC(0), 21, 0x7f },
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{ G1_REG_REF_PIC(0), 14, 0x7f },
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{ G1_REG_REF_PIC(0), 7, 0x7f },
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{ G1_REG_REF_PIC(0), 0, 0x7f },
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};
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/* Reference frame adjustment regs */
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static const struct hantro_reg vp8_dec_ref_adj[4] = {
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{ G1_REG_REF_PIC(1), 21, 0x7f },
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{ G1_REG_REF_PIC(1), 14, 0x7f },
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{ G1_REG_REF_PIC(1), 7, 0x7f },
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{ G1_REG_REF_PIC(1), 0, 0x7f },
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};
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/* Quantizer */
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static const struct hantro_reg vp8_dec_quant[4] = {
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{ G1_REG_REF_PIC(3), 11, 0x7ff },
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{ G1_REG_REF_PIC(3), 0, 0x7ff },
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{ G1_REG_BD_REF_PIC(4), 11, 0x7ff },
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{ G1_REG_BD_REF_PIC(4), 0, 0x7ff },
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};
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/* Quantizer delta regs */
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static const struct hantro_reg vp8_dec_quant_delta[5] = {
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{ G1_REG_REF_PIC(3), 27, 0x1f },
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{ G1_REG_REF_PIC(3), 22, 0x1f },
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{ G1_REG_BD_REF_PIC(4), 27, 0x1f },
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{ G1_REG_BD_REF_PIC(4), 22, 0x1f },
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{ G1_REG_BD_P_REF_PIC, 27, 0x1f },
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};
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/* DCT partition start bits regs */
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static const struct hantro_reg vp8_dec_dct_start_bits[8] = {
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{ G1_REG_DEC_CTRL2, 26, 0x3f }, { G1_REG_DEC_CTRL4, 26, 0x3f },
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{ G1_REG_DEC_CTRL4, 20, 0x3f }, { G1_REG_DEC_CTRL7, 24, 0x3f },
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{ G1_REG_DEC_CTRL7, 18, 0x3f }, { G1_REG_DEC_CTRL7, 12, 0x3f },
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{ G1_REG_DEC_CTRL7, 6, 0x3f }, { G1_REG_DEC_CTRL7, 0, 0x3f },
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};
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/* Precision filter tap regs */
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static const struct hantro_reg vp8_dec_pred_bc_tap[8][4] = {
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{
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{ G1_REG_PRED_FLT, 22, 0x3ff },
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{ G1_REG_PRED_FLT, 12, 0x3ff },
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{ G1_REG_PRED_FLT, 2, 0x3ff },
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{ G1_REG_REF_PIC(4), 22, 0x3ff },
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},
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{
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{ G1_REG_REF_PIC(4), 12, 0x3ff },
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{ G1_REG_REF_PIC(4), 2, 0x3ff },
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{ G1_REG_REF_PIC(5), 22, 0x3ff },
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{ G1_REG_REF_PIC(5), 12, 0x3ff },
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},
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{
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{ G1_REG_REF_PIC(5), 2, 0x3ff },
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{ G1_REG_REF_PIC(6), 22, 0x3ff },
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{ G1_REG_REF_PIC(6), 12, 0x3ff },
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{ G1_REG_REF_PIC(6), 2, 0x3ff },
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},
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{
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{ G1_REG_REF_PIC(7), 22, 0x3ff },
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{ G1_REG_REF_PIC(7), 12, 0x3ff },
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{ G1_REG_REF_PIC(7), 2, 0x3ff },
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{ G1_REG_LT_REF, 22, 0x3ff },
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},
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{
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{ G1_REG_LT_REF, 12, 0x3ff },
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{ G1_REG_LT_REF, 2, 0x3ff },
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{ G1_REG_VALID_REF, 22, 0x3ff },
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{ G1_REG_VALID_REF, 12, 0x3ff },
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},
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{
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{ G1_REG_VALID_REF, 2, 0x3ff },
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{ G1_REG_BD_REF_PIC(0), 22, 0x3ff },
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{ G1_REG_BD_REF_PIC(0), 12, 0x3ff },
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{ G1_REG_BD_REF_PIC(0), 2, 0x3ff },
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},
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{
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{ G1_REG_BD_REF_PIC(1), 22, 0x3ff },
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{ G1_REG_BD_REF_PIC(1), 12, 0x3ff },
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{ G1_REG_BD_REF_PIC(1), 2, 0x3ff },
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{ G1_REG_BD_REF_PIC(2), 22, 0x3ff },
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},
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{
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{ G1_REG_BD_REF_PIC(2), 12, 0x3ff },
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{ G1_REG_BD_REF_PIC(2), 2, 0x3ff },
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{ G1_REG_BD_REF_PIC(3), 22, 0x3ff },
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{ G1_REG_BD_REF_PIC(3), 12, 0x3ff },
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},
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};
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/*
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* Set loop filters
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*/
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static void cfg_lf(struct hantro_ctx *ctx,
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const struct v4l2_ctrl_vp8_frame *hdr)
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{
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const struct v4l2_vp8_segment *seg = &hdr->segment;
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const struct v4l2_vp8_loop_filter *lf = &hdr->lf;
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struct hantro_dev *vpu = ctx->dev;
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unsigned int i;
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u32 reg;
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if (!(seg->flags & V4L2_VP8_SEGMENT_FLAG_ENABLED)) {
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hantro_reg_write(vpu, &vp8_dec_lf_level[0], lf->level);
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} else if (seg->flags & V4L2_VP8_SEGMENT_FLAG_DELTA_VALUE_MODE) {
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for (i = 0; i < 4; i++) {
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u32 lf_level = clamp(lf->level + seg->lf_update[i],
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0, 63);
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hantro_reg_write(vpu, &vp8_dec_lf_level[i], lf_level);
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}
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} else {
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for (i = 0; i < 4; i++)
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hantro_reg_write(vpu, &vp8_dec_lf_level[i],
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seg->lf_update[i]);
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}
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reg = G1_REG_REF_PIC_FILT_SHARPNESS(lf->sharpness_level);
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if (lf->flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE)
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reg |= G1_REG_REF_PIC_FILT_TYPE_E;
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vdpu_write_relaxed(vpu, reg, G1_REG_REF_PIC(0));
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if (lf->flags & V4L2_VP8_LF_ADJ_ENABLE) {
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for (i = 0; i < 4; i++) {
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hantro_reg_write(vpu, &vp8_dec_mb_adj[i],
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lf->mb_mode_delta[i]);
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hantro_reg_write(vpu, &vp8_dec_ref_adj[i],
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lf->ref_frm_delta[i]);
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}
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}
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}
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/*
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* Set quantization parameters
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*/
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static void cfg_qp(struct hantro_ctx *ctx,
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const struct v4l2_ctrl_vp8_frame *hdr)
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{
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const struct v4l2_vp8_quantization *q = &hdr->quant;
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const struct v4l2_vp8_segment *seg = &hdr->segment;
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struct hantro_dev *vpu = ctx->dev;
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unsigned int i;
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if (!(seg->flags & V4L2_VP8_SEGMENT_FLAG_ENABLED)) {
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hantro_reg_write(vpu, &vp8_dec_quant[0], q->y_ac_qi);
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} else if (seg->flags & V4L2_VP8_SEGMENT_FLAG_DELTA_VALUE_MODE) {
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for (i = 0; i < 4; i++) {
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u32 quant = clamp(q->y_ac_qi + seg->quant_update[i],
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0, 127);
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hantro_reg_write(vpu, &vp8_dec_quant[i], quant);
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}
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} else {
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for (i = 0; i < 4; i++)
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hantro_reg_write(vpu, &vp8_dec_quant[i],
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seg->quant_update[i]);
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}
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hantro_reg_write(vpu, &vp8_dec_quant_delta[0], q->y_dc_delta);
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hantro_reg_write(vpu, &vp8_dec_quant_delta[1], q->y2_dc_delta);
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hantro_reg_write(vpu, &vp8_dec_quant_delta[2], q->y2_ac_delta);
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hantro_reg_write(vpu, &vp8_dec_quant_delta[3], q->uv_dc_delta);
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hantro_reg_write(vpu, &vp8_dec_quant_delta[4], q->uv_ac_delta);
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}
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/*
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* set control partition and DCT partition regs
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*
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* VP8 frame stream data layout:
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*
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* first_part_size parttion_sizes[0]
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* ^ ^
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* src_dma | |
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* ^ +--------+------+ +-----+-----+
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* | | control part | | |
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* +--------+----------------+------------------+-----------+-----+-----------+
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* | tag 3B | extra 7B | hdr | mb_data | DCT sz | DCT part0 | ... | DCT partn |
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* +--------+-----------------------------------+-----------+-----+-----------+
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* | | | |
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* v +----+---+ v
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* mb_start | src_dma_end
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* v
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* DCT size part
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* (num_dct-1)*3B
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* Note:
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* 1. only key-frames have extra 7-bytes
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* 2. all offsets are base on src_dma
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* 3. number of DCT parts is 1, 2, 4 or 8
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* 4. the addresses set to the VPU must be 64-bits aligned
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*/
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static void cfg_parts(struct hantro_ctx *ctx,
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const struct v4l2_ctrl_vp8_frame *hdr)
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{
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struct hantro_dev *vpu = ctx->dev;
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struct vb2_v4l2_buffer *vb2_src;
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u32 first_part_offset = V4L2_VP8_FRAME_IS_KEY_FRAME(hdr) ? 10 : 3;
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u32 mb_size, mb_offset_bytes, mb_offset_bits, mb_start_bits;
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u32 dct_size_part_size, dct_part_offset;
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struct hantro_reg reg;
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dma_addr_t src_dma;
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u32 dct_part_total_len = 0;
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u32 count = 0;
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unsigned int i;
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vb2_src = hantro_get_src_buf(ctx);
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src_dma = vb2_dma_contig_plane_dma_addr(&vb2_src->vb2_buf, 0);
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/*
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* Calculate control partition mb data info
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* @first_part_header_bits: bits offset of mb data from first
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* part start pos
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* @mb_offset_bits: bits offset of mb data from src_dma
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* base addr
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* @mb_offset_byte: bytes offset of mb data from src_dma
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* base addr
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* @mb_start_bits: bits offset of mb data from mb data
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* 64bits alignment addr
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*/
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mb_offset_bits = first_part_offset * 8 +
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hdr->first_part_header_bits + 8;
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mb_offset_bytes = mb_offset_bits / 8;
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mb_start_bits = mb_offset_bits -
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(mb_offset_bytes & (~DEC_8190_ALIGN_MASK)) * 8;
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mb_size = hdr->first_part_size -
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(mb_offset_bytes - first_part_offset) +
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(mb_offset_bytes & DEC_8190_ALIGN_MASK);
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/* Macroblock data aligned base addr */
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vdpu_write_relaxed(vpu, (mb_offset_bytes & (~DEC_8190_ALIGN_MASK))
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+ src_dma, G1_REG_ADDR_REF(13));
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/* Macroblock data start bits */
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reg.base = G1_REG_DEC_CTRL2;
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reg.mask = 0x3f;
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reg.shift = 18;
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hantro_reg_write(vpu, ®, mb_start_bits);
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/* Macroblock aligned data length */
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reg.base = G1_REG_DEC_CTRL6;
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reg.mask = 0x3fffff;
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reg.shift = 0;
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hantro_reg_write(vpu, ®, mb_size + 1);
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/*
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* Calculate DCT partition info
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* @dct_size_part_size: Containing sizes of DCT part, every DCT part
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* has 3 bytes to store its size, except the last
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* DCT part
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* @dct_part_offset: bytes offset of DCT parts from src_dma base addr
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* @dct_part_total_len: total size of all DCT parts
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*/
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dct_size_part_size = (hdr->num_dct_parts - 1) * 3;
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dct_part_offset = first_part_offset + hdr->first_part_size;
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for (i = 0; i < hdr->num_dct_parts; i++)
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dct_part_total_len += hdr->dct_part_sizes[i];
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dct_part_total_len += dct_size_part_size;
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dct_part_total_len += (dct_part_offset & DEC_8190_ALIGN_MASK);
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/* Number of DCT partitions */
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reg.base = G1_REG_DEC_CTRL6;
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reg.mask = 0xf;
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reg.shift = 24;
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hantro_reg_write(vpu, ®, hdr->num_dct_parts - 1);
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/* DCT partition length */
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vdpu_write_relaxed(vpu,
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G1_REG_DEC_CTRL3_STREAM_LEN(dct_part_total_len),
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G1_REG_DEC_CTRL3);
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/* DCT partitions base address */
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for (i = 0; i < hdr->num_dct_parts; i++) {
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u32 byte_offset = dct_part_offset + dct_size_part_size + count;
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u32 base_addr = byte_offset + src_dma;
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hantro_reg_write(vpu, &vp8_dec_dct_base[i],
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base_addr & (~DEC_8190_ALIGN_MASK));
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hantro_reg_write(vpu, &vp8_dec_dct_start_bits[i],
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(byte_offset & DEC_8190_ALIGN_MASK) * 8);
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count += hdr->dct_part_sizes[i];
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}
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}
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/*
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* prediction filter taps
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* normal 6-tap filters
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*/
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static void cfg_tap(struct hantro_ctx *ctx,
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const struct v4l2_ctrl_vp8_frame *hdr)
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{
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struct hantro_dev *vpu = ctx->dev;
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struct hantro_reg reg;
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u32 val = 0;
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int i, j;
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reg.base = G1_REG_BD_REF_PIC(3);
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reg.mask = 0xf;
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if ((hdr->version & 0x03) != 0)
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return; /* Tap filter not used. */
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for (i = 0; i < 8; i++) {
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val = (hantro_vp8_dec_mc_filter[i][0] << 2) |
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hantro_vp8_dec_mc_filter[i][5];
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for (j = 0; j < 4; j++)
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hantro_reg_write(vpu, &vp8_dec_pred_bc_tap[i][j],
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hantro_vp8_dec_mc_filter[i][j + 1]);
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switch (i) {
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case 2:
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reg.shift = 8;
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break;
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case 4:
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reg.shift = 4;
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break;
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case 6:
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reg.shift = 0;
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break;
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default:
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continue;
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}
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hantro_reg_write(vpu, ®, val);
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}
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}
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static void cfg_ref(struct hantro_ctx *ctx,
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const struct v4l2_ctrl_vp8_frame *hdr,
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struct vb2_v4l2_buffer *vb2_dst)
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{
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struct hantro_dev *vpu = ctx->dev;
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dma_addr_t ref;
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ref = hantro_get_ref(ctx, hdr->last_frame_ts);
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if (!ref) {
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vpu_debug(0, "failed to find last frame ts=%llu\n",
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hdr->last_frame_ts);
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ref = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0);
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}
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vdpu_write_relaxed(vpu, ref, G1_REG_ADDR_REF(0));
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ref = hantro_get_ref(ctx, hdr->golden_frame_ts);
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if (!ref && hdr->golden_frame_ts)
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vpu_debug(0, "failed to find golden frame ts=%llu\n",
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hdr->golden_frame_ts);
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if (!ref)
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ref = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0);
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if (hdr->flags & V4L2_VP8_FRAME_FLAG_SIGN_BIAS_GOLDEN)
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ref |= G1_REG_ADDR_REF_TOPC_E;
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vdpu_write_relaxed(vpu, ref, G1_REG_ADDR_REF(4));
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ref = hantro_get_ref(ctx, hdr->alt_frame_ts);
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if (!ref && hdr->alt_frame_ts)
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vpu_debug(0, "failed to find alt frame ts=%llu\n",
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hdr->alt_frame_ts);
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if (!ref)
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ref = vb2_dma_contig_plane_dma_addr(&vb2_dst->vb2_buf, 0);
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if (hdr->flags & V4L2_VP8_FRAME_FLAG_SIGN_BIAS_ALT)
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ref |= G1_REG_ADDR_REF_TOPC_E;
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vdpu_write_relaxed(vpu, ref, G1_REG_ADDR_REF(5));
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}
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static void cfg_buffers(struct hantro_ctx *ctx,
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const struct v4l2_ctrl_vp8_frame *hdr,
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struct vb2_v4l2_buffer *vb2_dst)
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{
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const struct v4l2_vp8_segment *seg = &hdr->segment;
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struct hantro_dev *vpu = ctx->dev;
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dma_addr_t dst_dma;
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u32 reg;
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/* Set probability table buffer address */
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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_FLAG_ENABLED) {
|
|
reg |= G1_REG_FWD_PIC1_SEGMENT_E;
|
|
if (seg->flags & V4L2_VP8_SEGMENT_FLAG_UPDATE_MAP)
|
|
reg |= G1_REG_FWD_PIC1_SEGMENT_UPD_E;
|
|
}
|
|
vdpu_write_relaxed(vpu, reg, G1_REG_FWD_PIC(0));
|
|
|
|
dst_dma = hantro_get_dec_buf_addr(ctx, &vb2_dst->vb2_buf);
|
|
vdpu_write_relaxed(vpu, dst_dma, G1_REG_ADDR_DST);
|
|
}
|
|
|
|
int hantro_g1_vp8_dec_run(struct hantro_ctx *ctx)
|
|
{
|
|
const struct v4l2_ctrl_vp8_frame *hdr;
|
|
struct hantro_dev *vpu = ctx->dev;
|
|
struct vb2_v4l2_buffer *vb2_dst;
|
|
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_STATELESS_VP8_FRAME);
|
|
if (WARN_ON(!hdr))
|
|
return -EINVAL;
|
|
|
|
/* Reset segment_map buffer in keyframe */
|
|
if (V4L2_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) |
|
|
G1_REG_DEC_CTRL0_DEC_AXI_AUTO;
|
|
if (!V4L2_VP8_FRAME_IS_KEY_FRAME(hdr))
|
|
reg |= G1_REG_DEC_CTRL0_PIC_INTER_E;
|
|
if (!(hdr->flags & V4L2_VP8_FRAME_FLAG_MB_NO_SKIP_COEFF))
|
|
reg |= G1_REG_DEC_CTRL0_SKIP_MODE;
|
|
if (hdr->lf.level == 0)
|
|
reg |= G1_REG_DEC_CTRL0_FILTERING_DIS;
|
|
vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL0);
|
|
|
|
/* Frame dimensions */
|
|
mb_width = MB_WIDTH(width);
|
|
mb_height = 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);
|
|
|
|
vb2_dst = hantro_get_dst_buf(ctx);
|
|
cfg_ref(ctx, hdr, vb2_dst);
|
|
cfg_buffers(ctx, hdr, vb2_dst);
|
|
|
|
hantro_end_prepare_run(ctx);
|
|
|
|
vdpu_write(vpu, G1_REG_INTERRUPT_DEC_E, G1_REG_INTERRUPT);
|
|
|
|
return 0;
|
|
}
|