diff options
Diffstat (limited to 'drivers/staging/media/hantro/hantro_g1_h264_dec.c')
-rw-r--r-- | drivers/staging/media/hantro/hantro_g1_h264_dec.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/drivers/staging/media/hantro/hantro_g1_h264_dec.c b/drivers/staging/media/hantro/hantro_g1_h264_dec.c deleted file mode 100644 index f49dbfb8a843..000000000000 --- a/drivers/staging/media/hantro/hantro_g1_h264_dec.c +++ /dev/null @@ -1,284 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Rockchip RK3288 VPU codec driver - * - * Copyright (c) 2014 Rockchip Electronics Co., Ltd. - * Hertz Wong <hertz.wong@rock-chips.com> - * Herman Chen <herman.chen@rock-chips.com> - * - * Copyright (C) 2014 Google, Inc. - * Tomasz Figa <tfiga@chromium.org> - */ - -#include <linux/types.h> -#include <linux/sort.h> - -#include <media/v4l2-mem2mem.h> - -#include "hantro_g1_regs.h" -#include "hantro_hw.h" -#include "hantro_v4l2.h" - -static void set_params(struct hantro_ctx *ctx, struct vb2_v4l2_buffer *src_buf) -{ - const struct hantro_h264_dec_ctrls *ctrls = &ctx->h264_dec.ctrls; - const struct v4l2_ctrl_h264_decode_params *dec_param = ctrls->decode; - const struct v4l2_ctrl_h264_sps *sps = ctrls->sps; - const struct v4l2_ctrl_h264_pps *pps = ctrls->pps; - struct hantro_dev *vpu = ctx->dev; - u32 reg; - - /* Decoder control register 0. */ - reg = G1_REG_DEC_CTRL0_DEC_AXI_AUTO; - if (sps->flags & V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD) - reg |= G1_REG_DEC_CTRL0_SEQ_MBAFF_E; - if (sps->profile_idc > 66) { - reg |= G1_REG_DEC_CTRL0_PICORD_COUNT_E; - if (dec_param->nal_ref_idc) - reg |= G1_REG_DEC_CTRL0_WRITE_MVS_E; - } - - if (!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY) && - (sps->flags & V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD || - dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC)) - reg |= G1_REG_DEC_CTRL0_PIC_INTERLACE_E; - if (dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC) - reg |= G1_REG_DEC_CTRL0_PIC_FIELDMODE_E; - if (!(dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD)) - reg |= G1_REG_DEC_CTRL0_PIC_TOPFIELD_E; - vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL0); - - /* Decoder control register 1. */ - reg = G1_REG_DEC_CTRL1_PIC_MB_WIDTH(MB_WIDTH(ctx->src_fmt.width)) | - G1_REG_DEC_CTRL1_PIC_MB_HEIGHT_P(MB_HEIGHT(ctx->src_fmt.height)) | - G1_REG_DEC_CTRL1_REF_FRAMES(sps->max_num_ref_frames); - vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL1); - - /* Decoder control register 2. */ - reg = G1_REG_DEC_CTRL2_CH_QP_OFFSET(pps->chroma_qp_index_offset) | - G1_REG_DEC_CTRL2_CH_QP_OFFSET2(pps->second_chroma_qp_index_offset); - - if (pps->flags & V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT) - reg |= G1_REG_DEC_CTRL2_TYPE1_QUANT_E; - if (!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY)) - reg |= G1_REG_DEC_CTRL2_FIELDPIC_FLAG_E; - vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL2); - - /* Decoder control register 3. */ - reg = G1_REG_DEC_CTRL3_START_CODE_E | - G1_REG_DEC_CTRL3_INIT_QP(pps->pic_init_qp_minus26 + 26) | - G1_REG_DEC_CTRL3_STREAM_LEN(vb2_get_plane_payload(&src_buf->vb2_buf, 0)); - vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL3); - - /* Decoder control register 4. */ - reg = G1_REG_DEC_CTRL4_FRAMENUM_LEN(sps->log2_max_frame_num_minus4 + 4) | - G1_REG_DEC_CTRL4_FRAMENUM(dec_param->frame_num) | - G1_REG_DEC_CTRL4_WEIGHT_BIPR_IDC(pps->weighted_bipred_idc); - if (pps->flags & V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE) - reg |= G1_REG_DEC_CTRL4_CABAC_E; - if (sps->flags & V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE) - reg |= G1_REG_DEC_CTRL4_DIR_8X8_INFER_E; - if (sps->profile_idc >= 100 && sps->chroma_format_idc == 0) - reg |= G1_REG_DEC_CTRL4_BLACKWHITE_E; - if (pps->flags & V4L2_H264_PPS_FLAG_WEIGHTED_PRED) - reg |= G1_REG_DEC_CTRL4_WEIGHT_PRED_E; - vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL4); - - /* Decoder control register 5. */ - reg = G1_REG_DEC_CTRL5_REFPIC_MK_LEN(dec_param->dec_ref_pic_marking_bit_size) | - G1_REG_DEC_CTRL5_IDR_PIC_ID(dec_param->idr_pic_id); - if (pps->flags & V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED) - reg |= G1_REG_DEC_CTRL5_CONST_INTRA_E; - if (pps->flags & V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT) - reg |= G1_REG_DEC_CTRL5_FILT_CTRL_PRES; - if (pps->flags & V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT) - reg |= G1_REG_DEC_CTRL5_RDPIC_CNT_PRES; - if (pps->flags & V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE) - reg |= G1_REG_DEC_CTRL5_8X8TRANS_FLAG_E; - if (dec_param->flags & V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC) - reg |= G1_REG_DEC_CTRL5_IDR_PIC_E; - vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL5); - - /* Decoder control register 6. */ - reg = G1_REG_DEC_CTRL6_PPS_ID(pps->pic_parameter_set_id) | - G1_REG_DEC_CTRL6_REFIDX0_ACTIVE(pps->num_ref_idx_l0_default_active_minus1 + 1) | - G1_REG_DEC_CTRL6_REFIDX1_ACTIVE(pps->num_ref_idx_l1_default_active_minus1 + 1) | - G1_REG_DEC_CTRL6_POC_LENGTH(dec_param->pic_order_cnt_bit_size); - vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL6); - - /* Error concealment register. */ - vdpu_write_relaxed(vpu, 0, G1_REG_ERR_CONC); - - /* Prediction filter tap register. */ - vdpu_write_relaxed(vpu, - G1_REG_PRED_FLT_PRED_BC_TAP_0_0(1) | - G1_REG_PRED_FLT_PRED_BC_TAP_0_1(-5 & 0x3ff) | - G1_REG_PRED_FLT_PRED_BC_TAP_0_2(20), - G1_REG_PRED_FLT); - - /* Reference picture buffer control register. */ - vdpu_write_relaxed(vpu, 0, G1_REG_REF_BUF_CTRL); - - /* Reference picture buffer control register 2. */ - vdpu_write_relaxed(vpu, G1_REG_REF_BUF_CTRL2_APF_THRESHOLD(8), - G1_REG_REF_BUF_CTRL2); -} - -static void set_ref(struct hantro_ctx *ctx) -{ - const u8 *b0_reflist, *b1_reflist, *p_reflist; - struct hantro_dev *vpu = ctx->dev; - int reg_num; - u32 reg; - int i; - - vdpu_write_relaxed(vpu, ctx->h264_dec.dpb_valid, G1_REG_VALID_REF); - vdpu_write_relaxed(vpu, ctx->h264_dec.dpb_longterm, G1_REG_LT_REF); - - /* - * Set up reference frame picture numbers. - * - * Each G1_REG_REF_PIC(x) register contains numbers of two - * subsequential reference pictures. - */ - for (i = 0; i < HANTRO_H264_DPB_SIZE; i += 2) { - reg = G1_REG_REF_PIC_REFER0_NBR(hantro_h264_get_ref_nbr(ctx, i)) | - G1_REG_REF_PIC_REFER1_NBR(hantro_h264_get_ref_nbr(ctx, i + 1)); - vdpu_write_relaxed(vpu, reg, G1_REG_REF_PIC(i / 2)); - } - - b0_reflist = ctx->h264_dec.reflists.b0; - b1_reflist = ctx->h264_dec.reflists.b1; - p_reflist = ctx->h264_dec.reflists.p; - - /* - * Each G1_REG_BD_REF_PIC(x) register contains three entries - * of each forward and backward picture list. - */ - reg_num = 0; - for (i = 0; i < 15; i += 3) { - reg = G1_REG_BD_REF_PIC_BINIT_RLIST_F0(b0_reflist[i]) | - G1_REG_BD_REF_PIC_BINIT_RLIST_F1(b0_reflist[i + 1]) | - G1_REG_BD_REF_PIC_BINIT_RLIST_F2(b0_reflist[i + 2]) | - G1_REG_BD_REF_PIC_BINIT_RLIST_B0(b1_reflist[i]) | - G1_REG_BD_REF_PIC_BINIT_RLIST_B1(b1_reflist[i + 1]) | - G1_REG_BD_REF_PIC_BINIT_RLIST_B2(b1_reflist[i + 2]); - vdpu_write_relaxed(vpu, reg, G1_REG_BD_REF_PIC(reg_num++)); - } - - /* - * G1_REG_BD_P_REF_PIC register contains last entries (index 15) - * of forward and backward reference picture lists and first 4 entries - * of P forward picture list. - */ - reg = G1_REG_BD_P_REF_PIC_BINIT_RLIST_F15(b0_reflist[15]) | - G1_REG_BD_P_REF_PIC_BINIT_RLIST_B15(b1_reflist[15]) | - G1_REG_BD_P_REF_PIC_PINIT_RLIST_F0(p_reflist[0]) | - G1_REG_BD_P_REF_PIC_PINIT_RLIST_F1(p_reflist[1]) | - G1_REG_BD_P_REF_PIC_PINIT_RLIST_F2(p_reflist[2]) | - G1_REG_BD_P_REF_PIC_PINIT_RLIST_F3(p_reflist[3]); - vdpu_write_relaxed(vpu, reg, G1_REG_BD_P_REF_PIC); - - /* - * Each G1_REG_FWD_PIC(x) register contains six consecutive - * entries of P forward picture list, starting from index 4. - */ - reg_num = 0; - for (i = 4; i < HANTRO_H264_DPB_SIZE; i += 6) { - reg = G1_REG_FWD_PIC_PINIT_RLIST_F0(p_reflist[i]) | - G1_REG_FWD_PIC_PINIT_RLIST_F1(p_reflist[i + 1]) | - G1_REG_FWD_PIC_PINIT_RLIST_F2(p_reflist[i + 2]) | - G1_REG_FWD_PIC_PINIT_RLIST_F3(p_reflist[i + 3]) | - G1_REG_FWD_PIC_PINIT_RLIST_F4(p_reflist[i + 4]) | - G1_REG_FWD_PIC_PINIT_RLIST_F5(p_reflist[i + 5]); - vdpu_write_relaxed(vpu, reg, G1_REG_FWD_PIC(reg_num++)); - } - - /* Set up addresses of DPB buffers. */ - for (i = 0; i < HANTRO_H264_DPB_SIZE; i++) { - dma_addr_t dma_addr = hantro_h264_get_ref_buf(ctx, i); - - vdpu_write_relaxed(vpu, dma_addr, G1_REG_ADDR_REF(i)); - } -} - -static void set_buffers(struct hantro_ctx *ctx, struct vb2_v4l2_buffer *src_buf) -{ - const struct hantro_h264_dec_ctrls *ctrls = &ctx->h264_dec.ctrls; - struct vb2_v4l2_buffer *dst_buf; - struct hantro_dev *vpu = ctx->dev; - dma_addr_t src_dma, dst_dma; - size_t offset = 0; - - /* Source (stream) buffer. */ - src_dma = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0); - vdpu_write_relaxed(vpu, src_dma, G1_REG_ADDR_STR); - - /* Destination (decoded frame) buffer. */ - dst_buf = hantro_get_dst_buf(ctx); - dst_dma = hantro_get_dec_buf_addr(ctx, &dst_buf->vb2_buf); - /* Adjust dma addr to start at second line for bottom field */ - if (ctrls->decode->flags & V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD) - offset = ALIGN(ctx->src_fmt.width, MB_DIM); - vdpu_write_relaxed(vpu, dst_dma + offset, G1_REG_ADDR_DST); - - /* Higher profiles require DMV buffer appended to reference frames. */ - if (ctrls->sps->profile_idc > 66 && ctrls->decode->nal_ref_idc) { - unsigned int bytes_per_mb = 384; - - /* DMV buffer for monochrome start directly after Y-plane */ - if (ctrls->sps->profile_idc >= 100 && - ctrls->sps->chroma_format_idc == 0) - bytes_per_mb = 256; - offset = bytes_per_mb * MB_WIDTH(ctx->src_fmt.width) * - MB_HEIGHT(ctx->src_fmt.height); - - /* - * DMV buffer is split in two for field encoded frames, - * adjust offset for bottom field - */ - if (ctrls->decode->flags & V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD) - offset += 32 * MB_WIDTH(ctx->src_fmt.width) * - MB_HEIGHT(ctx->src_fmt.height); - vdpu_write_relaxed(vpu, dst_dma + offset, G1_REG_ADDR_DIR_MV); - } - - /* Auxiliary buffer prepared in hantro_g1_h264_dec_prepare_table(). */ - vdpu_write_relaxed(vpu, ctx->h264_dec.priv.dma, G1_REG_ADDR_QTABLE); -} - -int hantro_g1_h264_dec_run(struct hantro_ctx *ctx) -{ - struct hantro_dev *vpu = ctx->dev; - struct vb2_v4l2_buffer *src_buf; - int ret; - - /* Prepare the H264 decoder context. */ - ret = hantro_h264_dec_prepare_run(ctx); - if (ret) - return ret; - - /* Configure hardware registers. */ - src_buf = hantro_get_src_buf(ctx); - set_params(ctx, src_buf); - set_ref(ctx); - set_buffers(ctx, src_buf); - - hantro_end_prepare_run(ctx); - - /* Start decoding! */ - vdpu_write_relaxed(vpu, - G1_REG_CONFIG_DEC_AXI_RD_ID(0xffu) | - G1_REG_CONFIG_DEC_TIMEOUT_E | - G1_REG_CONFIG_DEC_OUT_ENDIAN | - G1_REG_CONFIG_DEC_STRENDIAN_E | - G1_REG_CONFIG_DEC_MAX_BURST(16) | - G1_REG_CONFIG_DEC_OUTSWAP32_E | - G1_REG_CONFIG_DEC_INSWAP32_E | - G1_REG_CONFIG_DEC_STRSWAP32_E | - G1_REG_CONFIG_DEC_CLK_GATE_E, - G1_REG_CONFIG); - vdpu_write(vpu, G1_REG_INTERRUPT_DEC_E, G1_REG_INTERRUPT); - - return 0; -} |