diff options
Diffstat (limited to 'drivers/staging/media/hantro/hantro_vp8.c')
| -rw-r--r-- | drivers/staging/media/hantro/hantro_vp8.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/drivers/staging/media/hantro/hantro_vp8.c b/drivers/staging/media/hantro/hantro_vp8.c deleted file mode 100644 index 381bc1d3bfda..000000000000 --- a/drivers/staging/media/hantro/hantro_vp8.c +++ /dev/null @@ -1,201 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Hantro VPU codec driver - * - * Copyright (C) 2018 Rockchip Electronics Co., Ltd. - */ - -#include "hantro.h" - -/* - * probs table with packed - */ -struct vp8_prob_tbl_packed { - u8 prob_mb_skip_false; - u8 prob_intra; - u8 prob_ref_last; - u8 prob_ref_golden; - u8 prob_segment[3]; - u8 padding0; - - u8 prob_luma_16x16_pred_mode[4]; - u8 prob_chroma_pred_mode[3]; - u8 padding1; - - /* mv prob */ - u8 prob_mv_context[2][V4L2_VP8_MV_PROB_CNT]; - u8 padding2[2]; - - /* coeff probs */ - u8 prob_coeffs[4][8][3][V4L2_VP8_COEFF_PROB_CNT]; - u8 padding3[96]; -}; - -/* - * filter taps taken to 7-bit precision, - * reference RFC6386#Page-16, filters[8][6] - */ -const u32 hantro_vp8_dec_mc_filter[8][6] = { - { 0, 0, 128, 0, 0, 0 }, - { 0, -6, 123, 12, -1, 0 }, - { 2, -11, 108, 36, -8, 1 }, - { 0, -9, 93, 50, -6, 0 }, - { 3, -16, 77, 77, -16, 3 }, - { 0, -6, 50, 93, -9, 0 }, - { 1, -8, 36, 108, -11, 2 }, - { 0, -1, 12, 123, -6, 0 } -}; - -void hantro_vp8_prob_update(struct hantro_ctx *ctx, - const struct v4l2_ctrl_vp8_frame *hdr) -{ - const struct v4l2_vp8_entropy *entropy = &hdr->entropy; - u32 i, j, k; - u8 *dst; - - /* first probs */ - dst = ctx->vp8_dec.prob_tbl.cpu; - - dst[0] = hdr->prob_skip_false; - dst[1] = hdr->prob_intra; - dst[2] = hdr->prob_last; - dst[3] = hdr->prob_gf; - dst[4] = hdr->segment.segment_probs[0]; - dst[5] = hdr->segment.segment_probs[1]; - dst[6] = hdr->segment.segment_probs[2]; - dst[7] = 0; - - dst += 8; - dst[0] = entropy->y_mode_probs[0]; - dst[1] = entropy->y_mode_probs[1]; - dst[2] = entropy->y_mode_probs[2]; - dst[3] = entropy->y_mode_probs[3]; - dst[4] = entropy->uv_mode_probs[0]; - dst[5] = entropy->uv_mode_probs[1]; - dst[6] = entropy->uv_mode_probs[2]; - dst[7] = 0; /*unused */ - - /* mv probs */ - dst += 8; - dst[0] = entropy->mv_probs[0][0]; /* is short */ - dst[1] = entropy->mv_probs[1][0]; - dst[2] = entropy->mv_probs[0][1]; /* sign */ - dst[3] = entropy->mv_probs[1][1]; - dst[4] = entropy->mv_probs[0][8 + 9]; - dst[5] = entropy->mv_probs[0][9 + 9]; - dst[6] = entropy->mv_probs[1][8 + 9]; - dst[7] = entropy->mv_probs[1][9 + 9]; - dst += 8; - for (i = 0; i < 2; ++i) { - for (j = 0; j < 8; j += 4) { - dst[0] = entropy->mv_probs[i][j + 9 + 0]; - dst[1] = entropy->mv_probs[i][j + 9 + 1]; - dst[2] = entropy->mv_probs[i][j + 9 + 2]; - dst[3] = entropy->mv_probs[i][j + 9 + 3]; - dst += 4; - } - } - for (i = 0; i < 2; ++i) { - dst[0] = entropy->mv_probs[i][0 + 2]; - dst[1] = entropy->mv_probs[i][1 + 2]; - dst[2] = entropy->mv_probs[i][2 + 2]; - dst[3] = entropy->mv_probs[i][3 + 2]; - dst[4] = entropy->mv_probs[i][4 + 2]; - dst[5] = entropy->mv_probs[i][5 + 2]; - dst[6] = entropy->mv_probs[i][6 + 2]; - dst[7] = 0; /*unused */ - dst += 8; - } - - /* coeff probs (header part) */ - dst = ctx->vp8_dec.prob_tbl.cpu; - dst += (8 * 7); - for (i = 0; i < 4; ++i) { - for (j = 0; j < 8; ++j) { - for (k = 0; k < 3; ++k) { - dst[0] = entropy->coeff_probs[i][j][k][0]; - dst[1] = entropy->coeff_probs[i][j][k][1]; - dst[2] = entropy->coeff_probs[i][j][k][2]; - dst[3] = entropy->coeff_probs[i][j][k][3]; - dst += 4; - } - } - } - - /* coeff probs (footer part) */ - dst = ctx->vp8_dec.prob_tbl.cpu; - dst += (8 * 55); - for (i = 0; i < 4; ++i) { - for (j = 0; j < 8; ++j) { - for (k = 0; k < 3; ++k) { - dst[0] = entropy->coeff_probs[i][j][k][4]; - dst[1] = entropy->coeff_probs[i][j][k][5]; - dst[2] = entropy->coeff_probs[i][j][k][6]; - dst[3] = entropy->coeff_probs[i][j][k][7]; - dst[4] = entropy->coeff_probs[i][j][k][8]; - dst[5] = entropy->coeff_probs[i][j][k][9]; - dst[6] = entropy->coeff_probs[i][j][k][10]; - dst[7] = 0; /*unused */ - dst += 8; - } - } - } -} - -int hantro_vp8_dec_init(struct hantro_ctx *ctx) -{ - struct hantro_dev *vpu = ctx->dev; - struct hantro_aux_buf *aux_buf; - unsigned int mb_width, mb_height; - size_t segment_map_size; - int ret; - - /* segment map table size calculation */ - mb_width = DIV_ROUND_UP(ctx->dst_fmt.width, 16); - mb_height = DIV_ROUND_UP(ctx->dst_fmt.height, 16); - segment_map_size = round_up(DIV_ROUND_UP(mb_width * mb_height, 4), 64); - - /* - * In context init the dma buffer for segment map must be allocated. - * And the data in segment map buffer must be set to all zero. - */ - aux_buf = &ctx->vp8_dec.segment_map; - aux_buf->size = segment_map_size; - aux_buf->cpu = dma_alloc_coherent(vpu->dev, aux_buf->size, - &aux_buf->dma, GFP_KERNEL); - if (!aux_buf->cpu) - return -ENOMEM; - - /* - * Allocate probability table buffer, - * total 1208 bytes, 4K page is far enough. - */ - aux_buf = &ctx->vp8_dec.prob_tbl; - aux_buf->size = sizeof(struct vp8_prob_tbl_packed); - aux_buf->cpu = dma_alloc_coherent(vpu->dev, aux_buf->size, - &aux_buf->dma, GFP_KERNEL); - if (!aux_buf->cpu) { - ret = -ENOMEM; - goto err_free_seg_map; - } - - return 0; - -err_free_seg_map: - dma_free_coherent(vpu->dev, ctx->vp8_dec.segment_map.size, - ctx->vp8_dec.segment_map.cpu, - ctx->vp8_dec.segment_map.dma); - - return ret; -} - -void hantro_vp8_dec_exit(struct hantro_ctx *ctx) -{ - struct hantro_vp8_dec_hw_ctx *vp8_dec = &ctx->vp8_dec; - struct hantro_dev *vpu = ctx->dev; - - dma_free_coherent(vpu->dev, vp8_dec->segment_map.size, - vp8_dec->segment_map.cpu, vp8_dec->segment_map.dma); - dma_free_coherent(vpu->dev, vp8_dec->prob_tbl.size, - vp8_dec->prob_tbl.cpu, vp8_dec->prob_tbl.dma); -} |