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path: root/drivers/staging/media/hantro/hantro_g1_vp8_dec.c
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Diffstat (limited to 'drivers/staging/media/hantro/hantro_g1_vp8_dec.c')
-rw-r--r--drivers/staging/media/hantro/hantro_g1_vp8_dec.c511
1 files changed, 0 insertions, 511 deletions
diff --git a/drivers/staging/media/hantro/hantro_g1_vp8_dec.c b/drivers/staging/media/hantro/hantro_g1_vp8_dec.c
deleted file mode 100644
index 851eb67f19f5..000000000000
--- a/drivers/staging/media/hantro/hantro_g1_vp8_dec.c
+++ /dev/null
@@ -1,511 +0,0 @@
-// 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 "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 *hdr)
-{
- const struct v4l2_vp8_segment *seg = &hdr->segment;
- const struct v4l2_vp8_loop_filter *lf = &hdr->lf;
- struct hantro_dev *vpu = ctx->dev;
- unsigned int i;
- u32 reg;
-
- if (!(seg->flags & V4L2_VP8_SEGMENT_FLAG_ENABLED)) {
- hantro_reg_write(vpu, &vp8_dec_lf_level[0], lf->level);
- } else if (seg->flags & V4L2_VP8_SEGMENT_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_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 *hdr)
-{
- const struct v4l2_vp8_quantization *q = &hdr->quant;
- const struct v4l2_vp8_segment *seg = &hdr->segment;
- struct hantro_dev *vpu = ctx->dev;
- unsigned int i;
-
- if (!(seg->flags & V4L2_VP8_SEGMENT_FLAG_ENABLED)) {
- hantro_reg_write(vpu, &vp8_dec_quant[0], q->y_ac_qi);
- } else if (seg->flags & V4L2_VP8_SEGMENT_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 *hdr)
-{
- struct hantro_dev *vpu = ctx->dev;
- struct vb2_v4l2_buffer *vb2_src;
- u32 first_part_offset = V4L2_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, &reg, mb_start_bits);
-
- /* Macroblock aligned data length */
- reg.base = G1_REG_DEC_CTRL6;
- reg.mask = 0x3fffff;
- reg.shift = 0;
- hantro_reg_write(vpu, &reg, 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, &reg, 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 *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, &reg, val);
- }
-}
-
-static void cfg_ref(struct hantro_ctx *ctx,
- const struct v4l2_ctrl_vp8_frame *hdr,
- struct vb2_v4l2_buffer *vb2_dst)
-{
- struct hantro_dev *vpu = ctx->dev;
- dma_addr_t ref;
-
-
- 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, G1_REG_ADDR_REF(0));
-
- 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_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(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_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 *hdr,
- struct vb2_v4l2_buffer *vb2_dst)
-{
- const struct v4l2_vp8_segment *seg = &hdr->segment;
- struct hantro_dev *vpu = ctx->dev;
- dma_addr_t dst_dma;
- u32 reg;
-
- /* 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_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;
-}