diff options
Diffstat (limited to 'drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c')
-rw-r--r-- | drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c new file mode 100644 index 000000000000..8685bddfbcab --- /dev/null +++ b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c @@ -0,0 +1,266 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Hantro VPU codec driver + * + * Copyright (C) 2018 Rockchip Electronics Co., Ltd. + */ + +#include <asm/unaligned.h> +#include <linux/bitfield.h> +#include <media/v4l2-mem2mem.h> +#include "hantro.h" +#include "hantro_hw.h" + +#define VDPU_SWREG(nr) ((nr) * 4) + +#define VDPU_REG_DEC_OUT_BASE VDPU_SWREG(63) +#define VDPU_REG_RLC_VLC_BASE VDPU_SWREG(64) +#define VDPU_REG_QTABLE_BASE VDPU_SWREG(61) +#define VDPU_REG_REFER0_BASE VDPU_SWREG(131) +#define VDPU_REG_REFER2_BASE VDPU_SWREG(134) +#define VDPU_REG_REFER3_BASE VDPU_SWREG(135) +#define VDPU_REG_REFER1_BASE VDPU_SWREG(148) +#define VDPU_REG_DEC_E(v) ((v) ? BIT(0) : 0) + +#define VDPU_REG_DEC_ADV_PRE_DIS(v) ((v) ? BIT(11) : 0) +#define VDPU_REG_DEC_SCMD_DIS(v) ((v) ? BIT(10) : 0) +#define VDPU_REG_FILTERING_DIS(v) ((v) ? BIT(8) : 0) +#define VDPU_REG_DEC_LATENCY(v) (((v) << 1) & GENMASK(6, 1)) + +#define VDPU_REG_INIT_QP(v) (((v) << 25) & GENMASK(30, 25)) +#define VDPU_REG_STREAM_LEN(v) (((v) << 0) & GENMASK(23, 0)) + +#define VDPU_REG_APF_THRESHOLD(v) (((v) << 17) & GENMASK(30, 17)) +#define VDPU_REG_STARTMB_X(v) (((v) << 8) & GENMASK(16, 8)) +#define VDPU_REG_STARTMB_Y(v) (((v) << 0) & GENMASK(7, 0)) + +#define VDPU_REG_DEC_MODE(v) (((v) << 0) & GENMASK(3, 0)) + +#define VDPU_REG_DEC_STRENDIAN_E(v) ((v) ? BIT(5) : 0) +#define VDPU_REG_DEC_STRSWAP32_E(v) ((v) ? BIT(4) : 0) +#define VDPU_REG_DEC_OUTSWAP32_E(v) ((v) ? BIT(3) : 0) +#define VDPU_REG_DEC_INSWAP32_E(v) ((v) ? BIT(2) : 0) +#define VDPU_REG_DEC_OUT_ENDIAN(v) ((v) ? BIT(1) : 0) +#define VDPU_REG_DEC_IN_ENDIAN(v) ((v) ? BIT(0) : 0) + +#define VDPU_REG_DEC_DATA_DISC_E(v) ((v) ? BIT(22) : 0) +#define VDPU_REG_DEC_MAX_BURST(v) (((v) << 16) & GENMASK(20, 16)) +#define VDPU_REG_DEC_AXI_WR_ID(v) (((v) << 8) & GENMASK(15, 8)) +#define VDPU_REG_DEC_AXI_RD_ID(v) (((v) << 0) & GENMASK(7, 0)) + +#define VDPU_REG_RLC_MODE_E(v) ((v) ? BIT(20) : 0) +#define VDPU_REG_PIC_INTERLACE_E(v) ((v) ? BIT(17) : 0) +#define VDPU_REG_PIC_FIELDMODE_E(v) ((v) ? BIT(16) : 0) +#define VDPU_REG_PIC_B_E(v) ((v) ? BIT(15) : 0) +#define VDPU_REG_PIC_INTER_E(v) ((v) ? BIT(14) : 0) +#define VDPU_REG_PIC_TOPFIELD_E(v) ((v) ? BIT(13) : 0) +#define VDPU_REG_FWD_INTERLACE_E(v) ((v) ? BIT(12) : 0) +#define VDPU_REG_WRITE_MVS_E(v) ((v) ? BIT(10) : 0) +#define VDPU_REG_DEC_TIMEOUT_E(v) ((v) ? BIT(5) : 0) +#define VDPU_REG_DEC_CLK_GATE_E(v) ((v) ? BIT(4) : 0) + +#define VDPU_REG_PIC_MB_WIDTH(v) (((v) << 23) & GENMASK(31, 23)) +#define VDPU_REG_PIC_MB_HEIGHT_P(v) (((v) << 11) & GENMASK(18, 11)) +#define VDPU_REG_ALT_SCAN_E(v) ((v) ? BIT(6) : 0) +#define VDPU_REG_TOPFIELDFIRST_E(v) ((v) ? BIT(5) : 0) + +#define VDPU_REG_STRM_START_BIT(v) (((v) << 26) & GENMASK(31, 26)) +#define VDPU_REG_QSCALE_TYPE(v) ((v) ? BIT(24) : 0) +#define VDPU_REG_CON_MV_E(v) ((v) ? BIT(4) : 0) +#define VDPU_REG_INTRA_DC_PREC(v) (((v) << 2) & GENMASK(3, 2)) +#define VDPU_REG_INTRA_VLC_TAB(v) ((v) ? BIT(1) : 0) +#define VDPU_REG_FRAME_PRED_DCT(v) ((v) ? BIT(0) : 0) + +#define VDPU_REG_ALT_SCAN_FLAG_E(v) ((v) ? BIT(19) : 0) +#define VDPU_REG_FCODE_FWD_HOR(v) (((v) << 15) & GENMASK(18, 15)) +#define VDPU_REG_FCODE_FWD_VER(v) (((v) << 11) & GENMASK(14, 11)) +#define VDPU_REG_FCODE_BWD_HOR(v) (((v) << 7) & GENMASK(10, 7)) +#define VDPU_REG_FCODE_BWD_VER(v) (((v) << 3) & GENMASK(6, 3)) +#define VDPU_REG_MV_ACCURACY_FWD(v) ((v) ? BIT(2) : 0) +#define VDPU_REG_MV_ACCURACY_BWD(v) ((v) ? BIT(1) : 0) + +#define PICT_TOP_FIELD 1 +#define PICT_BOTTOM_FIELD 2 +#define PICT_FRAME 3 + +static void +rk3399_vpu_mpeg2_dec_set_quantization(struct hantro_dev *vpu, + struct hantro_ctx *ctx) +{ + struct v4l2_ctrl_mpeg2_quantization *quantization; + + quantization = hantro_get_ctrl(ctx, + V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION); + hantro_mpeg2_dec_copy_qtable(ctx->mpeg2_dec.qtable.cpu, quantization); + vdpu_write_relaxed(vpu, ctx->mpeg2_dec.qtable.dma, + VDPU_REG_QTABLE_BASE); +} + +static void +rk3399_vpu_mpeg2_dec_set_buffers(struct hantro_dev *vpu, + struct hantro_ctx *ctx, + struct vb2_buffer *src_buf, + struct vb2_buffer *dst_buf, + const struct v4l2_mpeg2_sequence *sequence, + const struct v4l2_mpeg2_picture *picture, + const struct v4l2_ctrl_mpeg2_slice_params *slice_params) +{ + dma_addr_t forward_addr = 0, backward_addr = 0; + dma_addr_t current_addr, addr; + struct vb2_queue *vq; + + vq = v4l2_m2m_get_dst_vq(ctx->fh.m2m_ctx); + + switch (picture->picture_coding_type) { + case V4L2_MPEG2_PICTURE_CODING_TYPE_B: + backward_addr = hantro_get_ref(vq, + slice_params->backward_ref_ts); + /* fall-through */ + case V4L2_MPEG2_PICTURE_CODING_TYPE_P: + forward_addr = hantro_get_ref(vq, + slice_params->forward_ref_ts); + } + + /* Source bitstream buffer */ + addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); + vdpu_write_relaxed(vpu, addr, VDPU_REG_RLC_VLC_BASE); + + /* Destination frame buffer */ + addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); + current_addr = addr; + + if (picture->picture_structure == PICT_BOTTOM_FIELD) + addr += ALIGN(ctx->dst_fmt.width, 16); + vdpu_write_relaxed(vpu, addr, VDPU_REG_DEC_OUT_BASE); + + if (!forward_addr) + forward_addr = current_addr; + if (!backward_addr) + backward_addr = current_addr; + + /* Set forward ref frame (top/bottom field) */ + if (picture->picture_structure == PICT_FRAME || + picture->picture_coding_type == V4L2_MPEG2_PICTURE_CODING_TYPE_B || + (picture->picture_structure == PICT_TOP_FIELD && + picture->top_field_first) || + (picture->picture_structure == PICT_BOTTOM_FIELD && + !picture->top_field_first)) { + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER0_BASE); + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER1_BASE); + } else if (picture->picture_structure == PICT_TOP_FIELD) { + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER0_BASE); + vdpu_write_relaxed(vpu, current_addr, VDPU_REG_REFER1_BASE); + } else if (picture->picture_structure == PICT_BOTTOM_FIELD) { + vdpu_write_relaxed(vpu, current_addr, VDPU_REG_REFER0_BASE); + vdpu_write_relaxed(vpu, forward_addr, VDPU_REG_REFER1_BASE); + } + + /* Set backward ref frame (top/bottom field) */ + vdpu_write_relaxed(vpu, backward_addr, VDPU_REG_REFER2_BASE); + vdpu_write_relaxed(vpu, backward_addr, VDPU_REG_REFER3_BASE); +} + +void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx) +{ + struct hantro_dev *vpu = ctx->dev; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + const struct v4l2_ctrl_mpeg2_slice_params *slice_params; + const struct v4l2_mpeg2_sequence *sequence; + const struct v4l2_mpeg2_picture *picture; + u32 reg; + + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + + /* Apply request controls if any */ + v4l2_ctrl_request_setup(src_buf->vb2_buf.req_obj.req, + &ctx->ctrl_handler); + + slice_params = hantro_get_ctrl(ctx, + V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS); + sequence = &slice_params->sequence; + picture = &slice_params->picture; + + reg = VDPU_REG_DEC_ADV_PRE_DIS(0) | + VDPU_REG_DEC_SCMD_DIS(0) | + VDPU_REG_FILTERING_DIS(1) | + VDPU_REG_DEC_LATENCY(0); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(50)); + + reg = VDPU_REG_INIT_QP(1) | + VDPU_REG_STREAM_LEN(slice_params->bit_size >> 3); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(51)); + + reg = VDPU_REG_APF_THRESHOLD(8) | + VDPU_REG_STARTMB_X(0) | + VDPU_REG_STARTMB_Y(0); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(52)); + + reg = VDPU_REG_DEC_MODE(5); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(53)); + + reg = VDPU_REG_DEC_STRENDIAN_E(1) | + VDPU_REG_DEC_STRSWAP32_E(1) | + VDPU_REG_DEC_OUTSWAP32_E(1) | + VDPU_REG_DEC_INSWAP32_E(1) | + VDPU_REG_DEC_OUT_ENDIAN(1) | + VDPU_REG_DEC_IN_ENDIAN(1); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(54)); + + reg = VDPU_REG_DEC_DATA_DISC_E(0) | + VDPU_REG_DEC_MAX_BURST(16) | + VDPU_REG_DEC_AXI_WR_ID(0) | + VDPU_REG_DEC_AXI_RD_ID(0); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(56)); + + reg = VDPU_REG_RLC_MODE_E(0) | + VDPU_REG_PIC_INTERLACE_E(!sequence->progressive_sequence) | + VDPU_REG_PIC_FIELDMODE_E(picture->picture_structure != PICT_FRAME) | + VDPU_REG_PIC_B_E(picture->picture_coding_type == V4L2_MPEG2_PICTURE_CODING_TYPE_B) | + VDPU_REG_PIC_INTER_E(picture->picture_coding_type != V4L2_MPEG2_PICTURE_CODING_TYPE_I) | + VDPU_REG_PIC_TOPFIELD_E(picture->picture_structure == PICT_TOP_FIELD) | + VDPU_REG_FWD_INTERLACE_E(0) | + VDPU_REG_WRITE_MVS_E(0) | + VDPU_REG_DEC_TIMEOUT_E(1) | + VDPU_REG_DEC_CLK_GATE_E(1); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(57)); + + reg = VDPU_REG_PIC_MB_WIDTH(MPEG2_MB_WIDTH(ctx->dst_fmt.width)) | + VDPU_REG_PIC_MB_HEIGHT_P(MPEG2_MB_HEIGHT(ctx->dst_fmt.height)) | + VDPU_REG_ALT_SCAN_E(picture->alternate_scan) | + VDPU_REG_TOPFIELDFIRST_E(picture->top_field_first); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(120)); + + reg = VDPU_REG_STRM_START_BIT(slice_params->data_bit_offset) | + VDPU_REG_QSCALE_TYPE(picture->q_scale_type) | + VDPU_REG_CON_MV_E(picture->concealment_motion_vectors) | + VDPU_REG_INTRA_DC_PREC(picture->intra_dc_precision) | + VDPU_REG_INTRA_VLC_TAB(picture->intra_vlc_format) | + VDPU_REG_FRAME_PRED_DCT(picture->frame_pred_frame_dct); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(122)); + + reg = VDPU_REG_ALT_SCAN_FLAG_E(picture->alternate_scan) | + VDPU_REG_FCODE_FWD_HOR(picture->f_code[0][0]) | + VDPU_REG_FCODE_FWD_VER(picture->f_code[0][1]) | + VDPU_REG_FCODE_BWD_HOR(picture->f_code[1][0]) | + VDPU_REG_FCODE_BWD_VER(picture->f_code[1][1]) | + VDPU_REG_MV_ACCURACY_FWD(1) | + VDPU_REG_MV_ACCURACY_BWD(1); + vdpu_write_relaxed(vpu, reg, VDPU_SWREG(136)); + + rk3399_vpu_mpeg2_dec_set_quantization(vpu, ctx); + + rk3399_vpu_mpeg2_dec_set_buffers(vpu, ctx, &src_buf->vb2_buf, + &dst_buf->vb2_buf, + sequence, picture, slice_params); + + /* Controls no longer in-use, we can complete them */ + v4l2_ctrl_request_complete(src_buf->vb2_buf.req_obj.req, + &ctx->ctrl_handler); + + /* Kick the watchdog and start decoding */ + schedule_delayed_work(&vpu->watchdog_work, msecs_to_jiffies(2000)); + + reg = vdpu_read(vpu, VDPU_SWREG(57)) | VDPU_REG_DEC_E(1); + vdpu_write(vpu, reg, VDPU_SWREG(57)); +} |