| Message ID | 20200520210129.132816-1-jernej.skrabec@siol.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: cedrus: Add support for VP8 decoding | expand |
Le mercredi 20 mai 2020 à 23:01 +0200, Jernej Skrabec a écrit : > VP8 in Cedrus shares same engine as H264. > > Note that it seems necessary to call bitstream parsing functions, > to parse frame header, otherwise decoded image is garbage. This is > contrary to what is driver supposed to do. However, values are not > really used, so this might be acceptable. It's possible that bitstream Have you verified that all values passed through controls are not used ? To remain a stateless driver, there is no requirement for parsed data to be used, the only requirement is that the reference are used. Otherwise doing parallel decoding of two stream of different stream would be broken. Have you verified that parallel decoding is working as expected ? > parsing functions set some internal VPU state, which is later necessary > for proper decoding. Biggest suspect is "VP8 probs update" trigger. > > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> > --- > drivers/staging/media/sunxi/cedrus/Makefile | 3 +- > drivers/staging/media/sunxi/cedrus/cedrus.c | 8 + > drivers/staging/media/sunxi/cedrus/cedrus.h | 15 + > .../staging/media/sunxi/cedrus/cedrus_dec.c | 5 + > .../staging/media/sunxi/cedrus/cedrus_hw.c | 1 + > .../staging/media/sunxi/cedrus/cedrus_regs.h | 80 ++ > .../staging/media/sunxi/cedrus/cedrus_video.c | 9 + > .../staging/media/sunxi/cedrus/cedrus_vp8.c | 699 ++++++++++++++++++ > 8 files changed, 819 insertions(+), 1 deletion(-) > create mode 100644 drivers/staging/media/sunxi/cedrus/cedrus_vp8.c > > diff --git a/drivers/staging/media/sunxi/cedrus/Makefile b/drivers/staging/media/sunxi/cedrus/Makefile > index 1bce49d3e7e2..a647b3690bf8 100644 > --- a/drivers/staging/media/sunxi/cedrus/Makefile > +++ b/drivers/staging/media/sunxi/cedrus/Makefile > @@ -2,4 +2,5 @@ > obj-$(CONFIG_VIDEO_SUNXI_CEDRUS) += sunxi-cedrus.o > > sunxi-cedrus-y = cedrus.o cedrus_video.o cedrus_hw.o cedrus_dec.o \ > - cedrus_mpeg2.o cedrus_h264.o cedrus_h265.o > + cedrus_mpeg2.o cedrus_h264.o cedrus_h265.o \ > + cedrus_vp8.o > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c > index b320aa058f74..e6b864f05364 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus.c > +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c > @@ -142,6 +142,13 @@ static const struct cedrus_control cedrus_controls[] = { > .codec = CEDRUS_CODEC_H265, > .required = false, > }, > + { > + .cfg = { > + .id = V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER, > + }, > + .codec = CEDRUS_CODEC_VP8, > + .required = true, > + }, > }; > > #define CEDRUS_CONTROLS_COUNT ARRAY_SIZE(cedrus_controls) > @@ -388,6 +395,7 @@ static int cedrus_probe(struct platform_device *pdev) > dev->dec_ops[CEDRUS_CODEC_MPEG2] = &cedrus_dec_ops_mpeg2; > dev->dec_ops[CEDRUS_CODEC_H264] = &cedrus_dec_ops_h264; > dev->dec_ops[CEDRUS_CODEC_H265] = &cedrus_dec_ops_h265; > + dev->dec_ops[CEDRUS_CODEC_VP8] = &cedrus_dec_ops_vp8; > > mutex_init(&dev->dev_mutex); > > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h > index f8264953dd04..353cb04b4ce5 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus.h > +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h > @@ -35,6 +35,7 @@ enum cedrus_codec { > CEDRUS_CODEC_MPEG2, > CEDRUS_CODEC_H264, > CEDRUS_CODEC_H265, > + CEDRUS_CODEC_VP8, > CEDRUS_CODEC_LAST, > }; > > @@ -76,6 +77,10 @@ struct cedrus_h265_run { > const struct v4l2_ctrl_hevc_scaling_matrix *scaling_matrix; > }; > > +struct cedrus_vp8_run { > + const struct v4l2_ctrl_vp8_frame_header *slice_params; > +}; > + > struct cedrus_run { > struct vb2_v4l2_buffer *src; > struct vb2_v4l2_buffer *dst; > @@ -84,6 +89,7 @@ struct cedrus_run { > struct cedrus_h264_run h264; > struct cedrus_mpeg2_run mpeg2; > struct cedrus_h265_run h265; > + struct cedrus_vp8_run vp8; > }; > }; > > @@ -141,6 +147,14 @@ struct cedrus_ctx { > void *entry_points_buf; > dma_addr_t entry_points_buf_addr; > } h265; > + struct { > + unsigned int last_frame_p_type; > + unsigned int last_filter_type; > + unsigned int last_sharpness_level; > + > + u8 *entropy_probs_buf; > + dma_addr_t entropy_probs_buf_dma; > + } vp8; > } codec; > }; > > @@ -188,6 +202,7 @@ struct cedrus_dev { > extern struct cedrus_dec_ops cedrus_dec_ops_mpeg2; > extern struct cedrus_dec_ops cedrus_dec_ops_h264; > extern struct cedrus_dec_ops cedrus_dec_ops_h265; > +extern struct cedrus_dec_ops cedrus_dec_ops_vp8; > > static inline void cedrus_write(struct cedrus_dev *dev, u32 reg, u32 val) > { > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c > index 38c0bd7cf672..740b738fdde6 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c > +++ b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c > @@ -70,6 +70,11 @@ void cedrus_device_run(void *priv) > V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX); > break; > > + case V4L2_PIX_FMT_VP8_FRAME: > + run.vp8.slice_params = cedrus_find_control_data(ctx, > + V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER); > + break; > + > default: > break; > } > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c > index fb0cf8adcf1e..7c0ab4015e8f 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c > +++ b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c > @@ -48,6 +48,7 @@ int cedrus_engine_enable(struct cedrus_ctx *ctx, enum cedrus_codec codec) > break; > > case CEDRUS_CODEC_H264: > + case CEDRUS_CODEC_VP8: > reg |= VE_MODE_DEC_H264; > break; > > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h > index 150eae2d92d2..6cb1c279790f 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h > +++ b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h > @@ -552,6 +552,7 @@ > #define VE_H264_SHS_QP_SCALING_MATRIX_DEFAULT BIT(24) > > #define VE_H264_CTRL 0x220 > +#define VE_H264_CTRL_VP8 BIT(29) > #define VE_H264_CTRL_VLD_DATA_REQ_INT BIT(2) > #define VE_H264_CTRL_DECODE_ERR_INT BIT(1) > #define VE_H264_CTRL_SLICE_DECODE_INT BIT(0) > @@ -561,7 +562,12 @@ > VE_H264_CTRL_SLICE_DECODE_INT) > > #define VE_H264_TRIGGER_TYPE 0x224 > +#define VE_H264_TRIGGER_TYPE_PROBABILITY(x) SHIFT_AND_MASK_BITS(x, 31, 24) > +#define VE_H264_TRIGGER_TYPE_BIN_LENS(x) SHIFT_AND_MASK_BITS((x) - 1, 18, 16) > #define VE_H264_TRIGGER_TYPE_N_BITS(x) (((x) & 0x3f) << 8) > +#define VE_H264_TRIGGER_TYPE_VP8_GET_BITS (15 << 0) > +#define VE_H264_TRIGGER_TYPE_VP8_UPDATE_COEF (14 << 0) > +#define VE_H264_TRIGGER_TYPE_VP8_SLICE_DECODE (10 << 0) > #define VE_H264_TRIGGER_TYPE_AVC_SLICE_DECODE (8 << 0) > #define VE_H264_TRIGGER_TYPE_INIT_SWDEC (7 << 0) > #define VE_H264_TRIGGER_TYPE_FLUSH_BITS (3 << 0) > @@ -571,6 +577,7 @@ > #define VE_H264_STATUS_DECODE_ERR_INT VE_H264_CTRL_DECODE_ERR_INT > #define VE_H264_STATUS_SLICE_DECODE_INT VE_H264_CTRL_SLICE_DECODE_INT > #define VE_H264_STATUS_VLD_BUSY BIT(8) > +#define VE_H264_STATUS_VP8_UPPROB_BUSY BIT(17) > > #define VE_H264_STATUS_INT_MASK VE_H264_CTRL_INT_MASK > > @@ -589,10 +596,83 @@ > #define VE_H264_OUTPUT_FRAME_IDX 0x24c > #define VE_H264_EXTRA_BUFFER1 0x250 > #define VE_H264_EXTRA_BUFFER2 0x254 > +#define VE_H264_MB_ADDR 0x260 > +#define VE_H264_ERROR_CASE 0x2b8 > #define VE_H264_BASIC_BITS 0x2dc > #define VE_AVC_SRAM_PORT_OFFSET 0x2e0 > #define VE_AVC_SRAM_PORT_DATA 0x2e4 > > +#define VE_VP8_PPS 0x214 > +#define VE_VP8_PPS_PIC_TYPE_P_FRAME BIT(31) > +#define VE_VP8_PPS_LAST_SHARPNESS_LEVEL(v) SHIFT_AND_MASK_BITS(v, 30, 28) > +#define VE_VP8_PPS_LAST_PIC_TYPE_P_FRAME BIT(27) > +#define VE_VP8_PPS_ALTREF_SIGN_BIAS BIT(26) > +#define VE_VP8_PPS_GOLDEN_SIGN_BIAS BIT(25) > +#define VE_VP8_PPS_RELOAD_ENTROPY_PROBS BIT(24) > +#define VE_VP8_PPS_REFRESH_ENTROPY_PROBS BIT(23) > +#define VE_VP8_PPS_MB_NO_COEFF_SKIP BIT(22) > +#define VE_VP8_PPS_TOKEN_PARTITION(v) SHIFT_AND_MASK_BITS(v, 21, 20) > +#define VE_VP8_PPS_MODE_REF_LF_DELTA_UPDATE BIT(19) > +#define VE_VP8_PPS_MODE_REF_LF_DELTA_ENABLE BIT(18) > +#define VE_VP8_PPS_LOOP_FILTER_LEVEL(v) SHIFT_AND_MASK_BITS(v, 17, 12) > +#define VE_VP8_PPS_LOOP_FILTER_SIMPLE BIT(11) > +#define VE_VP8_PPS_SHARPNESS_LEVEL(v) SHIFT_AND_MASK_BITS(v, 10, 8) > +#define VE_VP8_PPS_LAST_LOOP_FILTER_SIMPLE BIT(7) > +#define VE_VP8_PPS_SEGMENTATION_ENABLE BIT(6) > +#define VE_VP8_PPS_MB_SEGMENT_ABS_DELTA BIT(5) > +#define VE_VP8_PPS_UPDATE_MB_SEGMENTATION_MAP BIT(4) > +#define VE_VP8_PPS_FULL_PIXEL BIT(3) > +#define VE_VP8_PPS_BILINEAR_MC_FILTER BIT(2) > +#define VE_VP8_PPS_FILTER_TYPE_SIMPLE BIT(1) > +#define VE_VP8_PPS_LPF_DISABLE BIT(0) > + > +#define VE_VP8_QP_INDEX_DELTA 0x218 > +#define VE_VP8_QP_INDEX_DELTA_UVAC(v) SHIFT_AND_MASK_BITS(v, 31, 27) > +#define VE_VP8_QP_INDEX_DELTA_UVDC(v) SHIFT_AND_MASK_BITS(v, 26, 22) > +#define VE_VP8_QP_INDEX_DELTA_Y2AC(v) SHIFT_AND_MASK_BITS(v, 21, 17) > +#define VE_VP8_QP_INDEX_DELTA_Y2DC(v) SHIFT_AND_MASK_BITS(v, 16, 12) > +#define VE_VP8_QP_INDEX_DELTA_Y1DC(v) SHIFT_AND_MASK_BITS(v, 11, 7) > +#define VE_VP8_QP_INDEX_DELTA_BASE_QINDEX(v) SHIFT_AND_MASK_BITS(v, 6, 0) > + > +#define VE_VP8_PART_SIZE_OFFSET 0x21c > +#define VE_VP8_ENTROPY_PROBS_ADDR 0x250 > +#define VE_VP8_FIRST_DATA_PART_LEN 0x254 > + > +#define VE_VP8_FSIZE 0x258 > +#define VE_VP8_FSIZE_WIDTH(w) \ > + SHIFT_AND_MASK_BITS(DIV_ROUND_UP(w, 16), 15, 8) > +#define VE_VP8_FSIZE_HEIGHT(h) \ > + SHIFT_AND_MASK_BITS(DIV_ROUND_UP(h, 16), 7, 0) > + > +#define VE_VP8_PICSIZE 0x25c > +#define VE_VP8_PICSIZE_WIDTH(w) SHIFT_AND_MASK_BITS(w, 27, 16) > +#define VE_VP8_PICSIZE_HEIGHT(h) SHIFT_AND_MASK_BITS(h, 11, 0) > + > +#define VE_VP8_REC_LUMA 0x2ac > +#define VE_VP8_FWD_LUMA 0x2b0 > +#define VE_VP8_BWD_LUMA 0x2b4 > +#define VE_VP8_REC_CHROMA 0x2d0 > +#define VE_VP8_FWD_CHROMA 0x2d4 > +#define VE_VP8_BWD_CHROMA 0x2d8 > +#define VE_VP8_ALT_LUMA 0x2e8 > +#define VE_VP8_ALT_CHROMA 0x2ec > + > +#define VE_VP8_SEGMENT_FEAT_MB_LV0 0x2f0 > +#define VE_VP8_SEGMENT_FEAT_MB_LV1 0x2f4 > + > +#define VE_VP8_SEGMENT3(v) SHIFT_AND_MASK_BITS(v, 31, 24) > +#define VE_VP8_SEGMENT2(v) SHIFT_AND_MASK_BITS(v, 23, 16) > +#define VE_VP8_SEGMENT1(v) SHIFT_AND_MASK_BITS(v, 15, 8) > +#define VE_VP8_SEGMENT0(v) SHIFT_AND_MASK_BITS(v, 7, 0) > + > +#define VE_VP8_REF_LF_DELTA 0x2f8 > +#define VE_VP8_MODE_LF_DELTA 0x2fc > + > +#define VE_VP8_LF_DELTA3(v) SHIFT_AND_MASK_BITS(v, 30, 24) > +#define VE_VP8_LF_DELTA2(v) SHIFT_AND_MASK_BITS(v, 22, 16) > +#define VE_VP8_LF_DELTA1(v) SHIFT_AND_MASK_BITS(v, 14, 8) > +#define VE_VP8_LF_DELTA0(v) SHIFT_AND_MASK_BITS(v, 6, 0) > + > #define VE_ISP_INPUT_SIZE 0xa00 > #define VE_ISP_INPUT_STRIDE 0xa04 > #define VE_ISP_CTRL 0xa08 > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c > index a78d6b1a3b64..6801ffa77a6b 100644 > --- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c > +++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c > @@ -48,6 +48,10 @@ static struct cedrus_format cedrus_formats[] = { > .directions = CEDRUS_DECODE_SRC, > .capabilities = CEDRUS_CAPABILITY_H265_DEC, > }, > + { > + .pixelformat = V4L2_PIX_FMT_VP8_FRAME, > + .directions = CEDRUS_DECODE_SRC, > + }, > { > .pixelformat = V4L2_PIX_FMT_SUNXI_TILED_NV12, > .directions = CEDRUS_DECODE_DST, > @@ -125,6 +129,7 @@ void cedrus_prepare_format(struct v4l2_pix_format *pix_fmt, int extended) > case V4L2_PIX_FMT_MPEG2_SLICE: > case V4L2_PIX_FMT_H264_SLICE: > case V4L2_PIX_FMT_HEVC_SLICE: > + case V4L2_PIX_FMT_VP8_FRAME: > /* Zero bytes per line for encoded source. */ > bytesperline = 0; > /* Choose some minimum size since this can't be 0 */ > @@ -499,6 +504,10 @@ static int cedrus_start_streaming(struct vb2_queue *vq, unsigned int count) > ctx->current_codec = CEDRUS_CODEC_H265; > break; > > + case V4L2_PIX_FMT_VP8_FRAME: > + ctx->current_codec = CEDRUS_CODEC_VP8; > + break; > + > default: > return -EINVAL; > } > diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c > new file mode 100644 > index 000000000000..93beffd07c35 > --- /dev/null > +++ b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c > @@ -0,0 +1,699 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Cedrus VPU driver > + * > + * Copyright (c) 2019 Jernej Skrabec <jernej.skrabec@siol.net> > + */ > + > +#include <linux/delay.h> > +#include <linux/types.h> > + > +#include <media/videobuf2-dma-contig.h> > + > +#include "cedrus.h" > +#include "cedrus_hw.h" > +#include "cedrus_regs.h" > + > +#define CEDRUS_ENTROPY_PROBS_SIZE 0x2400 > +#define VP8_PROB_HALF 128 > + > +static const u8 prob_table_init[] = { > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, > + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0xB0, 0xF6, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, > + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDF, 0xF1, 0xFC, 0xFF, > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0xF9, 0xFD, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xF4, 0xFC, 0xFF, > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0xEA, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, > + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0xFF, 0xF6, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0xEF, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, > + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFE, 0xFF, > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xF8, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, > + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFB, 0xFF, 0xFE, 0xFF, > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFD, 0xFE, 0xFF, > + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0xFB, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 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0x00, 0x00, 0x00, 0x00, > + 0x83, 0x02, 0x82, 0x04, 0x80, 0x81, 0x00, 0x00, 0x80, 0x02, 0x81, 0x04, > + 0x82, 0x06, 0x08, 0x0C, 0x83, 0x0A, 0x85, 0x86, 0x84, 0x0E, 0x87, 0x10, > + 0x88, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x8A, 0x02, 0x8B, 0x04, 0x8C, 0x8D, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x87, 0x02, 0x85, 0x04, 0x86, 0x06, 0x88, 0x89, > +}; > + > +static const u8 vp8_mv_update_prob[2][19] = { > + { 237, 246, 253, 253, 254, 254, 254, 254, 254, > + 254, 254, 254, 254, 254, 250, 250, 252, 254, 254 }, > + { 231, 243, 245, 253, 254, 254, 254, 254, 254, > + 254, 254, 254, 254, 254, 251, 251, 254, 254, 254 } > +}; > + > +static uint8_t read_bits(struct cedrus_dev *dev, unsigned int bits_count, > + unsigned int probability) > +{ > + cedrus_write(dev, VE_H264_TRIGGER_TYPE, > + VE_H264_TRIGGER_TYPE_VP8_GET_BITS | > + VE_H264_TRIGGER_TYPE_BIN_LENS(bits_count) | > + VE_H264_TRIGGER_TYPE_PROBABILITY(probability)); > + > + while (cedrus_read(dev, VE_H264_STATUS) & VE_H264_STATUS_VLD_BUSY) > + ; > + > + return cedrus_read(dev, VE_H264_BASIC_BITS); > +} > + > +static void get_delta_q(struct cedrus_dev *dev) > +{ > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 4, VP8_PROB_HALF); > + read_bits(dev, 1, VP8_PROB_HALF); > + } > +} > + > +static void process_segmentation_info(struct cedrus_dev *dev) > +{ > + int update = read_bits(dev, 1, VP8_PROB_HALF); > + int i; > + > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 1, VP8_PROB_HALF); > + > + for (i = 0; i < 4; i++) > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 7, VP8_PROB_HALF); > + read_bits(dev, 1, VP8_PROB_HALF); > + } > + > + for (i = 0; i < 4; i++) > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 6, VP8_PROB_HALF); > + read_bits(dev, 1, VP8_PROB_HALF); > + } > + } > + > + if (update) > + for (i = 0; i < 3; i++) > + if (read_bits(dev, 1, VP8_PROB_HALF)) > + read_bits(dev, 8, VP8_PROB_HALF); > +} > + > +static void process_ref_lf_delta_info(struct cedrus_dev *dev) > +{ > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + int i; > + > + for (i = 0; i < 4; i++) > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 6, VP8_PROB_HALF); > + read_bits(dev, 1, VP8_PROB_HALF); > + } > + > + for (i = 0; i < 4; i++) > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 6, VP8_PROB_HALF); > + read_bits(dev, 1, VP8_PROB_HALF); > + } > + } > +} > + > +static void process_ref_frame_info(struct cedrus_dev *dev) > +{ > + u8 refresh_golden_frame = read_bits(dev, 1, VP8_PROB_HALF); > + u8 refresh_alt_ref_frame = read_bits(dev, 1, VP8_PROB_HALF); > + > + if (!refresh_golden_frame) > + read_bits(dev, 2, VP8_PROB_HALF); > + > + if (!refresh_alt_ref_frame) > + read_bits(dev, 2, VP8_PROB_HALF); > + > + read_bits(dev, 1, VP8_PROB_HALF); > + read_bits(dev, 1, VP8_PROB_HALF); > +} > + > +static void cedrus_read_header(struct cedrus_dev *dev, > + const struct v4l2_ctrl_vp8_frame_header *slice) > +{ > + int i, j; > + > + if (VP8_FRAME_IS_KEY_FRAME(slice)) { > + read_bits(dev, 1, VP8_PROB_HALF); > + read_bits(dev, 1, VP8_PROB_HALF); > + } > + > + if (read_bits(dev, 1, VP8_PROB_HALF)) > + process_segmentation_info(dev); > + > + read_bits(dev, 1, VP8_PROB_HALF); > + read_bits(dev, 6, VP8_PROB_HALF); > + read_bits(dev, 3, VP8_PROB_HALF); > + > + if (read_bits(dev, 1, VP8_PROB_HALF)) > + process_ref_lf_delta_info(dev); > + > + read_bits(dev, 2, VP8_PROB_HALF); > + read_bits(dev, 7, VP8_PROB_HALF); > + > + get_delta_q(dev); > + get_delta_q(dev); > + get_delta_q(dev); > + get_delta_q(dev); > + get_delta_q(dev); > + > + if (!VP8_FRAME_IS_KEY_FRAME(slice)) > + process_ref_frame_info(dev); > + > + read_bits(dev, 1, VP8_PROB_HALF); > + > + if (!VP8_FRAME_IS_KEY_FRAME(slice)) > + read_bits(dev, 1, VP8_PROB_HALF); > + > + cedrus_write(dev, VE_H264_TRIGGER_TYPE, VE_H264_TRIGGER_TYPE_VP8_UPDATE_COEF); > + while (cedrus_read(dev, VE_H264_STATUS) & VE_H264_STATUS_VP8_UPPROB_BUSY) > + ; > + > + cedrus_write(dev, VE_H264_STATUS, VE_H264_CTRL_INT_MASK); > + > + if (read_bits(dev, 1, VP8_PROB_HALF)) > + read_bits(dev, 8, VP8_PROB_HALF); > + > + if (!VP8_FRAME_IS_KEY_FRAME(slice)) { > + read_bits(dev, 8, VP8_PROB_HALF); > + read_bits(dev, 8, VP8_PROB_HALF); > + read_bits(dev, 8, VP8_PROB_HALF); > + > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 8, VP8_PROB_HALF); > + read_bits(dev, 8, VP8_PROB_HALF); > + read_bits(dev, 8, VP8_PROB_HALF); > + read_bits(dev, 8, VP8_PROB_HALF); > + } > + > + if (read_bits(dev, 1, VP8_PROB_HALF)) { > + read_bits(dev, 8, VP8_PROB_HALF); > + read_bits(dev, 8, VP8_PROB_HALF); > + read_bits(dev, 8, VP8_PROB_HALF); > + } > + > + for (i = 0; i < 2; i++) > + for (j = 0; j < 19; j++) > + if (read_bits(dev, 1, vp8_mv_update_prob[i][j])) > + read_bits(dev, 7, VP8_PROB_HALF); > + } > +} > + > +static void cedrus_vp8_update_probs(const struct v4l2_ctrl_vp8_frame_header *slice, > + u8 *prob_table) > +{ > + int i, j, k; > + > + memcpy(&prob_table[0x1008], slice->entropy_header.y_mode_probs, 4); > + memcpy(&prob_table[0x1010], slice->entropy_header.uv_mode_probs, 3); > + > + memcpy(&prob_table[0x1018], slice->segment_header.segment_probs, 3); > + > + prob_table[0x101c] = slice->prob_skip_false; > + prob_table[0x101d] = slice->prob_intra; > + prob_table[0x101e] = slice->prob_last; > + prob_table[0x101f] = slice->prob_gf; > + > + memcpy(&prob_table[0x1020], slice->entropy_header.mv_probs[0], 19); > + memcpy(&prob_table[0x1040], slice->entropy_header.mv_probs[1], 19); > + > + for (i = 0; i < 4; ++i) > + for (j = 0; j < 8; ++j) > + for (k = 0; k < 3; ++k) > + memcpy(&prob_table[i * 512 + j * 64 + k * 16], > + slice->entropy_header.coeff_probs[i][j][k], 11); > +} > + > +static enum cedrus_irq_status > +cedrus_vp8_irq_status(struct cedrus_ctx *ctx) > +{ > + struct cedrus_dev *dev = ctx->dev; > + u32 reg = cedrus_read(dev, VE_H264_STATUS); > + > + if (reg & (VE_H264_STATUS_DECODE_ERR_INT | > + VE_H264_STATUS_VLD_DATA_REQ_INT)) > + return CEDRUS_IRQ_ERROR; > + > + if (reg & VE_H264_CTRL_SLICE_DECODE_INT) > + return CEDRUS_IRQ_OK; > + > + return CEDRUS_IRQ_NONE; > +} > + > +static void cedrus_vp8_irq_clear(struct cedrus_ctx *ctx) > +{ > + struct cedrus_dev *dev = ctx->dev; > + > + cedrus_write(dev, VE_H264_STATUS, > + VE_H264_STATUS_INT_MASK); > +} > + > +static void cedrus_vp8_irq_disable(struct cedrus_ctx *ctx) > +{ > + struct cedrus_dev *dev = ctx->dev; > + u32 reg = cedrus_read(dev, VE_H264_CTRL); > + > + cedrus_write(dev, VE_H264_CTRL, > + reg & ~VE_H264_CTRL_INT_MASK); > +} > + > +static void cedrus_vp8_setup(struct cedrus_ctx *ctx, > + struct cedrus_run *run) > +{ > + const struct v4l2_ctrl_vp8_frame_header *slice = run->vp8.slice_params; > + struct vb2_queue *cap_q = &ctx->fh.m2m_ctx->cap_q_ctx.q; > + struct vb2_buffer *src_buf = &run->src->vb2_buf; > + struct cedrus_dev *dev = ctx->dev; > + dma_addr_t luma_addr, chroma_addr; > + dma_addr_t src_buf_addr; > + int header_size; > + int qindex; > + u32 reg; > + > + cedrus_engine_enable(ctx, CEDRUS_CODEC_VP8); > + > + cedrus_write(dev, VE_H264_CTRL, VE_H264_CTRL_VP8); > + > + cedrus_vp8_update_probs(slice, ctx->codec.vp8.entropy_probs_buf); > + > + reg = slice->first_part_size * 8; > + cedrus_write(dev, VE_VP8_FIRST_DATA_PART_LEN, reg); > + > + header_size = VP8_FRAME_IS_KEY_FRAME(slice) ? 10 : 3; > + > + reg = slice->first_part_size + header_size; > + cedrus_write(dev, VE_VP8_PART_SIZE_OFFSET, reg); > + > + reg = vb2_plane_size(src_buf, 0) * 8; > + cedrus_write(dev, VE_H264_VLD_LEN, reg); > + > + /* > + * FIXME: There is a problem if frame header is skipped (adding > + * first_part_header_bits to offset). It seems that functions > + * for parsing bitstreams change internal state of VPU in some > + * way that can't be otherwise set. Maybe this can be bypassed > + * by somehow fixing probability table buffer? > + */ > + reg = header_size * 8; > + cedrus_write(dev, VE_H264_VLD_OFFSET, reg); > + > + src_buf_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); > + cedrus_write(dev, VE_H264_VLD_END, > + src_buf_addr + vb2_get_plane_payload(src_buf, 0)); > + cedrus_write(dev, VE_H264_VLD_ADDR, > + VE_H264_VLD_ADDR_VAL(src_buf_addr) | > + VE_H264_VLD_ADDR_FIRST | VE_H264_VLD_ADDR_VALID | > + VE_H264_VLD_ADDR_LAST); > + > + cedrus_write(dev, VE_H264_TRIGGER_TYPE, > + VE_H264_TRIGGER_TYPE_INIT_SWDEC); > + > + cedrus_write(dev, VE_VP8_ENTROPY_PROBS_ADDR, > + ctx->codec.vp8.entropy_probs_buf_dma); > + > + reg = 0; > + switch (slice->version) { > + case 1: > + reg |= VE_VP8_PPS_FILTER_TYPE_SIMPLE; > + reg |= VE_VP8_PPS_BILINEAR_MC_FILTER; > + break; > + case 2: > + reg |= VE_VP8_PPS_LPF_DISABLE; > + reg |= VE_VP8_PPS_BILINEAR_MC_FILTER; > + break; > + case 3: > + reg |= VE_VP8_PPS_LPF_DISABLE; > + reg |= VE_VP8_PPS_FULL_PIXEL; > + break; > + } > + if (slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP) > + reg |= VE_VP8_PPS_UPDATE_MB_SEGMENTATION_MAP; > + if (!(slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE)) > + reg |= VE_VP8_PPS_MB_SEGMENT_ABS_DELTA; > + if (slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED) > + reg |= VE_VP8_PPS_SEGMENTATION_ENABLE; > + if (ctx->codec.vp8.last_filter_type) > + reg |= VE_VP8_PPS_LAST_LOOP_FILTER_SIMPLE; > + reg |= VE_VP8_PPS_SHARPNESS_LEVEL(slice->lf_header.sharpness_level); > + if (slice->lf_header.flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE) > + reg |= VE_VP8_PPS_LOOP_FILTER_SIMPLE; > + reg |= VE_VP8_PPS_LOOP_FILTER_LEVEL(slice->lf_header.level); > + if (slice->lf_header.flags & V4L2_VP8_LF_HEADER_ADJ_ENABLE) > + reg |= VE_VP8_PPS_MODE_REF_LF_DELTA_ENABLE; > + if (slice->lf_header.flags & V4L2_VP8_LF_HEADER_DELTA_UPDATE) > + reg |= VE_VP8_PPS_MODE_REF_LF_DELTA_UPDATE; > + reg |= VE_VP8_PPS_TOKEN_PARTITION(ilog2(slice->num_dct_parts)); > + if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF) > + reg |= VE_VP8_PPS_MB_NO_COEFF_SKIP; > + reg |= VE_VP8_PPS_RELOAD_ENTROPY_PROBS; > + if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN) > + reg |= VE_VP8_PPS_GOLDEN_SIGN_BIAS; > + if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT) > + reg |= VE_VP8_PPS_ALTREF_SIGN_BIAS; > + if (ctx->codec.vp8.last_frame_p_type) > + reg |= VE_VP8_PPS_LAST_PIC_TYPE_P_FRAME; > + reg |= VE_VP8_PPS_LAST_SHARPNESS_LEVEL(ctx->codec.vp8.last_sharpness_level); > + if (!(slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME)) > + reg |= VE_VP8_PPS_PIC_TYPE_P_FRAME; > + cedrus_write(dev, VE_VP8_PPS, reg); > + > + cedrus_read_header(dev, slice); > + > + /* reset registers changed by HW */ > + cedrus_write(dev, VE_H264_CUR_MB_NUM, 0); > + cedrus_write(dev, VE_H264_MB_ADDR, 0); > + cedrus_write(dev, VE_H264_ERROR_CASE, 0); > + > + reg = 0; > + reg |= VE_VP8_QP_INDEX_DELTA_UVAC(slice->quant_header.uv_ac_delta); > + reg |= VE_VP8_QP_INDEX_DELTA_UVDC(slice->quant_header.uv_dc_delta); > + reg |= VE_VP8_QP_INDEX_DELTA_Y2AC(slice->quant_header.y2_ac_delta); > + reg |= VE_VP8_QP_INDEX_DELTA_Y2DC(slice->quant_header.y2_dc_delta); > + reg |= VE_VP8_QP_INDEX_DELTA_Y1DC(slice->quant_header.y_dc_delta); > + reg |= VE_VP8_QP_INDEX_DELTA_BASE_QINDEX(slice->quant_header.y_ac_qi); > + cedrus_write(dev, VE_VP8_QP_INDEX_DELTA, reg); > + > + reg = 0; > + reg |= VE_VP8_FSIZE_WIDTH(slice->width); > + reg |= VE_VP8_FSIZE_HEIGHT(slice->height); > + cedrus_write(dev, VE_VP8_FSIZE, reg); > + > + reg = 0; > + reg |= VE_VP8_PICSIZE_WIDTH(slice->width); > + reg |= VE_VP8_PICSIZE_HEIGHT(slice->height); > + cedrus_write(dev, VE_VP8_PICSIZE, reg); > + > + reg = 0; > + reg |= VE_VP8_SEGMENT3(slice->segment_header.quant_update[3]); > + reg |= VE_VP8_SEGMENT2(slice->segment_header.quant_update[2]); > + reg |= VE_VP8_SEGMENT1(slice->segment_header.quant_update[1]); > + reg |= VE_VP8_SEGMENT0(slice->segment_header.quant_update[0]); > + cedrus_write(dev, VE_VP8_SEGMENT_FEAT_MB_LV0, reg); > + > + reg = 0; > + reg |= VE_VP8_SEGMENT3(slice->segment_header.lf_update[3]); > + reg |= VE_VP8_SEGMENT2(slice->segment_header.lf_update[2]); > + reg |= VE_VP8_SEGMENT1(slice->segment_header.lf_update[1]); > + reg |= VE_VP8_SEGMENT0(slice->segment_header.lf_update[0]); > + cedrus_write(dev, VE_VP8_SEGMENT_FEAT_MB_LV1, reg); > + > + reg = 0; > + reg |= VE_VP8_LF_DELTA3(slice->lf_header.ref_frm_delta[3]); > + reg |= VE_VP8_LF_DELTA2(slice->lf_header.ref_frm_delta[2]); > + reg |= VE_VP8_LF_DELTA1(slice->lf_header.ref_frm_delta[1]); > + reg |= VE_VP8_LF_DELTA0(slice->lf_header.ref_frm_delta[0]); > + cedrus_write(dev, VE_VP8_REF_LF_DELTA, reg); > + > + reg = 0; > + reg |= VE_VP8_LF_DELTA3(slice->lf_header.mb_mode_delta[3]); > + reg |= VE_VP8_LF_DELTA2(slice->lf_header.mb_mode_delta[2]); > + reg |= VE_VP8_LF_DELTA1(slice->lf_header.mb_mode_delta[1]); > + reg |= VE_VP8_LF_DELTA0(slice->lf_header.mb_mode_delta[0]); > + cedrus_write(dev, VE_VP8_MODE_LF_DELTA, reg); > + > + luma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 0); > + chroma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 1); > + cedrus_write(dev, VE_VP8_REC_LUMA, luma_addr); > + cedrus_write(dev, VE_VP8_REC_CHROMA, chroma_addr); > + > + qindex = vb2_find_timestamp(cap_q, slice->last_frame_ts, 0); > + if (qindex >= 0) { > + luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0); > + chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1); > + cedrus_write(dev, VE_VP8_FWD_LUMA, luma_addr); > + cedrus_write(dev, VE_VP8_FWD_CHROMA, chroma_addr); > + } else { > + cedrus_write(dev, VE_VP8_FWD_LUMA, 0); > + cedrus_write(dev, VE_VP8_FWD_CHROMA, 0); > + } > + > + qindex = vb2_find_timestamp(cap_q, slice->golden_frame_ts, 0); > + if (qindex >= 0) { > + luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0); > + chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1); > + cedrus_write(dev, VE_VP8_BWD_LUMA, luma_addr); > + cedrus_write(dev, VE_VP8_BWD_CHROMA, chroma_addr); > + } else { > + cedrus_write(dev, VE_VP8_BWD_LUMA, 0); > + cedrus_write(dev, VE_VP8_BWD_CHROMA, 0); > + } > + > + qindex = vb2_find_timestamp(cap_q, slice->alt_frame_ts, 0); > + if (qindex >= 0) { > + luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0); > + chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1); > + cedrus_write(dev, VE_VP8_ALT_LUMA, luma_addr); > + cedrus_write(dev, VE_VP8_ALT_CHROMA, chroma_addr); > + } else { > + cedrus_write(dev, VE_VP8_ALT_LUMA, 0); > + cedrus_write(dev, VE_VP8_ALT_CHROMA, 0); > + } > + > + cedrus_write(dev, VE_H264_CTRL, VE_H264_CTRL_VP8 | > + VE_H264_CTRL_DECODE_ERR_INT | > + VE_H264_CTRL_SLICE_DECODE_INT); > + > + if (slice->lf_header.level) { > + ctx->codec.vp8.last_filter_type = > + !!(slice->lf_header.flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE); > + ctx->codec.vp8.last_frame_p_type = > + !VP8_FRAME_IS_KEY_FRAME(slice); > + ctx->codec.vp8.last_sharpness_level = > + slice->lf_header.sharpness_level; > + } > +} > + > +static int cedrus_vp8_start(struct cedrus_ctx *ctx) > +{ > + struct cedrus_dev *dev = ctx->dev; > + > + ctx->codec.vp8.entropy_probs_buf = > + dma_alloc_coherent(dev->dev, CEDRUS_ENTROPY_PROBS_SIZE, > + &ctx->codec.vp8.entropy_probs_buf_dma, > + GFP_KERNEL); > + if (!ctx->codec.vp8.entropy_probs_buf) > + return -ENOMEM; > + > + memcpy(&ctx->codec.vp8.entropy_probs_buf[2048], > + prob_table_init, sizeof(prob_table_init)); > + > + return 0; > +} > + > +static void cedrus_vp8_stop(struct cedrus_ctx *ctx) > +{ > + struct cedrus_dev *dev = ctx->dev; > + > + cedrus_engine_disable(dev); > + > + dma_free_coherent(dev->dev, CEDRUS_ENTROPY_PROBS_SIZE, > + ctx->codec.vp8.entropy_probs_buf, > + ctx->codec.vp8.entropy_probs_buf_dma); > +} > + > +static void cedrus_vp8_trigger(struct cedrus_ctx *ctx) > +{ > + struct cedrus_dev *dev = ctx->dev; > + > + cedrus_write(dev, VE_H264_TRIGGER_TYPE, > + VE_H264_TRIGGER_TYPE_VP8_SLICE_DECODE); > +} > + > +struct cedrus_dec_ops cedrus_dec_ops_vp8 = { > + .irq_clear = cedrus_vp8_irq_clear, > + .irq_disable = cedrus_vp8_irq_disable, > + .irq_status = cedrus_vp8_irq_status, > + .setup = cedrus_vp8_setup, > + .start = cedrus_vp8_start, > + .stop = cedrus_vp8_stop, > + .trigger = cedrus_vp8_trigger, > +};
Dne sreda, 20. maj 2020 ob 23:43:40 CEST je Nicolas Dufresne napisal(a): > Le mercredi 20 mai 2020 à 23:01 +0200, Jernej Skrabec a écrit : > > VP8 in Cedrus shares same engine as H264. > > > > Note that it seems necessary to call bitstream parsing functions, > > to parse frame header, otherwise decoded image is garbage. This is > > contrary to what is driver supposed to do. However, values are not > > really used, so this might be acceptable. It's possible that bitstream > > Have you verified that all values passed through controls are not used > ? To remain a stateless driver, there is no requirement for parsed data > to be used, the only requirement is that the reference are used. > Otherwise doing parallel decoding of two stream of different stream > would be broken. Have you verified that parallel decoding is working as > expected ? I'm not sure if you understand what I meant. Although userspace app parses frame header and fills all data in VP8 control, driver parses frame header again, using HW bitstream parsing functionality in cedrus_read_header(). Without that second header parsing in HW, decoded image is garbage. Note that cedrus_read_header() discards all parsed values and relies on those provided in controls. This parsing doesn't cause any problems with parallel decoding or anything. It's done during frame decoding job, so it doesn't affect any state. It's just that we shouldn't need to parse header in driver because all data is already provided in controls. It seems that Cedrus core was never tested without that HW frame header parsing. I found out that HEVC and H264 frames can sometimes also be wrongly decoded if no bitstream parsing function is triggered in HW before final decoding. I spend a lot of time trying to avoid that header parsing, but I couldn't find any way around it. In another words, Cedrus VPU provides two functionalities - HW bitstream parsing (to speed up header parsing) and video decoding. One would thought that video decoding can be used independently, if all data from header is already known, but it can't be. Best regards, Jernej > > > parsing functions set some internal VPU state, which is later necessary > > for proper decoding. Biggest suspect is "VP8 probs update" trigger. > > > > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> > > --- > > > > drivers/staging/media/sunxi/cedrus/Makefile | 3 +- > > drivers/staging/media/sunxi/cedrus/cedrus.c | 8 + > > drivers/staging/media/sunxi/cedrus/cedrus.h | 15 + > > .../staging/media/sunxi/cedrus/cedrus_dec.c | 5 + > > .../staging/media/sunxi/cedrus/cedrus_hw.c | 1 + > > .../staging/media/sunxi/cedrus/cedrus_regs.h | 80 ++ > > .../staging/media/sunxi/cedrus/cedrus_video.c | 9 + > > .../staging/media/sunxi/cedrus/cedrus_vp8.c | 699 ++++++++++++++++++ > > 8 files changed, 819 insertions(+), 1 deletion(-) > > create mode 100644 drivers/staging/media/sunxi/cedrus/cedrus_vp8.c
diff --git a/drivers/staging/media/sunxi/cedrus/Makefile b/drivers/staging/media/sunxi/cedrus/Makefile index 1bce49d3e7e2..a647b3690bf8 100644 --- a/drivers/staging/media/sunxi/cedrus/Makefile +++ b/drivers/staging/media/sunxi/cedrus/Makefile @@ -2,4 +2,5 @@ obj-$(CONFIG_VIDEO_SUNXI_CEDRUS) += sunxi-cedrus.o sunxi-cedrus-y = cedrus.o cedrus_video.o cedrus_hw.o cedrus_dec.o \ - cedrus_mpeg2.o cedrus_h264.o cedrus_h265.o + cedrus_mpeg2.o cedrus_h264.o cedrus_h265.o \ + cedrus_vp8.o diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c index b320aa058f74..e6b864f05364 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c @@ -142,6 +142,13 @@ static const struct cedrus_control cedrus_controls[] = { .codec = CEDRUS_CODEC_H265, .required = false, }, + { + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER, + }, + .codec = CEDRUS_CODEC_VP8, + .required = true, + }, }; #define CEDRUS_CONTROLS_COUNT ARRAY_SIZE(cedrus_controls) @@ -388,6 +395,7 @@ static int cedrus_probe(struct platform_device *pdev) dev->dec_ops[CEDRUS_CODEC_MPEG2] = &cedrus_dec_ops_mpeg2; dev->dec_ops[CEDRUS_CODEC_H264] = &cedrus_dec_ops_h264; dev->dec_ops[CEDRUS_CODEC_H265] = &cedrus_dec_ops_h265; + dev->dec_ops[CEDRUS_CODEC_VP8] = &cedrus_dec_ops_vp8; mutex_init(&dev->dev_mutex); diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h index f8264953dd04..353cb04b4ce5 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.h +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h @@ -35,6 +35,7 @@ enum cedrus_codec { CEDRUS_CODEC_MPEG2, CEDRUS_CODEC_H264, CEDRUS_CODEC_H265, + CEDRUS_CODEC_VP8, CEDRUS_CODEC_LAST, }; @@ -76,6 +77,10 @@ struct cedrus_h265_run { const struct v4l2_ctrl_hevc_scaling_matrix *scaling_matrix; }; +struct cedrus_vp8_run { + const struct v4l2_ctrl_vp8_frame_header *slice_params; +}; + struct cedrus_run { struct vb2_v4l2_buffer *src; struct vb2_v4l2_buffer *dst; @@ -84,6 +89,7 @@ struct cedrus_run { struct cedrus_h264_run h264; struct cedrus_mpeg2_run mpeg2; struct cedrus_h265_run h265; + struct cedrus_vp8_run vp8; }; }; @@ -141,6 +147,14 @@ struct cedrus_ctx { void *entry_points_buf; dma_addr_t entry_points_buf_addr; } h265; + struct { + unsigned int last_frame_p_type; + unsigned int last_filter_type; + unsigned int last_sharpness_level; + + u8 *entropy_probs_buf; + dma_addr_t entropy_probs_buf_dma; + } vp8; } codec; }; @@ -188,6 +202,7 @@ struct cedrus_dev { extern struct cedrus_dec_ops cedrus_dec_ops_mpeg2; extern struct cedrus_dec_ops cedrus_dec_ops_h264; extern struct cedrus_dec_ops cedrus_dec_ops_h265; +extern struct cedrus_dec_ops cedrus_dec_ops_vp8; static inline void cedrus_write(struct cedrus_dev *dev, u32 reg, u32 val) { diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c index 38c0bd7cf672..740b738fdde6 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c @@ -70,6 +70,11 @@ void cedrus_device_run(void *priv) V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX); break; + case V4L2_PIX_FMT_VP8_FRAME: + run.vp8.slice_params = cedrus_find_control_data(ctx, + V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER); + break; + default: break; } diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c index fb0cf8adcf1e..7c0ab4015e8f 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c @@ -48,6 +48,7 @@ int cedrus_engine_enable(struct cedrus_ctx *ctx, enum cedrus_codec codec) break; case CEDRUS_CODEC_H264: + case CEDRUS_CODEC_VP8: reg |= VE_MODE_DEC_H264; break; diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h index 150eae2d92d2..6cb1c279790f 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h +++ b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h @@ -552,6 +552,7 @@ #define VE_H264_SHS_QP_SCALING_MATRIX_DEFAULT BIT(24) #define VE_H264_CTRL 0x220 +#define VE_H264_CTRL_VP8 BIT(29) #define VE_H264_CTRL_VLD_DATA_REQ_INT BIT(2) #define VE_H264_CTRL_DECODE_ERR_INT BIT(1) #define VE_H264_CTRL_SLICE_DECODE_INT BIT(0) @@ -561,7 +562,12 @@ VE_H264_CTRL_SLICE_DECODE_INT) #define VE_H264_TRIGGER_TYPE 0x224 +#define VE_H264_TRIGGER_TYPE_PROBABILITY(x) SHIFT_AND_MASK_BITS(x, 31, 24) +#define VE_H264_TRIGGER_TYPE_BIN_LENS(x) SHIFT_AND_MASK_BITS((x) - 1, 18, 16) #define VE_H264_TRIGGER_TYPE_N_BITS(x) (((x) & 0x3f) << 8) +#define VE_H264_TRIGGER_TYPE_VP8_GET_BITS (15 << 0) +#define VE_H264_TRIGGER_TYPE_VP8_UPDATE_COEF (14 << 0) +#define VE_H264_TRIGGER_TYPE_VP8_SLICE_DECODE (10 << 0) #define VE_H264_TRIGGER_TYPE_AVC_SLICE_DECODE (8 << 0) #define VE_H264_TRIGGER_TYPE_INIT_SWDEC (7 << 0) #define VE_H264_TRIGGER_TYPE_FLUSH_BITS (3 << 0) @@ -571,6 +577,7 @@ #define VE_H264_STATUS_DECODE_ERR_INT VE_H264_CTRL_DECODE_ERR_INT #define VE_H264_STATUS_SLICE_DECODE_INT VE_H264_CTRL_SLICE_DECODE_INT #define VE_H264_STATUS_VLD_BUSY BIT(8) +#define VE_H264_STATUS_VP8_UPPROB_BUSY BIT(17) #define VE_H264_STATUS_INT_MASK VE_H264_CTRL_INT_MASK @@ -589,10 +596,83 @@ #define VE_H264_OUTPUT_FRAME_IDX 0x24c #define VE_H264_EXTRA_BUFFER1 0x250 #define VE_H264_EXTRA_BUFFER2 0x254 +#define VE_H264_MB_ADDR 0x260 +#define VE_H264_ERROR_CASE 0x2b8 #define VE_H264_BASIC_BITS 0x2dc #define VE_AVC_SRAM_PORT_OFFSET 0x2e0 #define VE_AVC_SRAM_PORT_DATA 0x2e4 +#define VE_VP8_PPS 0x214 +#define VE_VP8_PPS_PIC_TYPE_P_FRAME BIT(31) +#define VE_VP8_PPS_LAST_SHARPNESS_LEVEL(v) SHIFT_AND_MASK_BITS(v, 30, 28) +#define VE_VP8_PPS_LAST_PIC_TYPE_P_FRAME BIT(27) +#define VE_VP8_PPS_ALTREF_SIGN_BIAS BIT(26) +#define VE_VP8_PPS_GOLDEN_SIGN_BIAS BIT(25) +#define VE_VP8_PPS_RELOAD_ENTROPY_PROBS BIT(24) +#define VE_VP8_PPS_REFRESH_ENTROPY_PROBS BIT(23) +#define VE_VP8_PPS_MB_NO_COEFF_SKIP BIT(22) +#define VE_VP8_PPS_TOKEN_PARTITION(v) SHIFT_AND_MASK_BITS(v, 21, 20) +#define VE_VP8_PPS_MODE_REF_LF_DELTA_UPDATE BIT(19) +#define VE_VP8_PPS_MODE_REF_LF_DELTA_ENABLE BIT(18) +#define VE_VP8_PPS_LOOP_FILTER_LEVEL(v) SHIFT_AND_MASK_BITS(v, 17, 12) +#define VE_VP8_PPS_LOOP_FILTER_SIMPLE BIT(11) +#define VE_VP8_PPS_SHARPNESS_LEVEL(v) SHIFT_AND_MASK_BITS(v, 10, 8) +#define VE_VP8_PPS_LAST_LOOP_FILTER_SIMPLE BIT(7) +#define VE_VP8_PPS_SEGMENTATION_ENABLE BIT(6) +#define VE_VP8_PPS_MB_SEGMENT_ABS_DELTA BIT(5) +#define VE_VP8_PPS_UPDATE_MB_SEGMENTATION_MAP BIT(4) +#define VE_VP8_PPS_FULL_PIXEL BIT(3) +#define VE_VP8_PPS_BILINEAR_MC_FILTER BIT(2) +#define VE_VP8_PPS_FILTER_TYPE_SIMPLE BIT(1) +#define VE_VP8_PPS_LPF_DISABLE BIT(0) + +#define VE_VP8_QP_INDEX_DELTA 0x218 +#define VE_VP8_QP_INDEX_DELTA_UVAC(v) SHIFT_AND_MASK_BITS(v, 31, 27) +#define VE_VP8_QP_INDEX_DELTA_UVDC(v) SHIFT_AND_MASK_BITS(v, 26, 22) +#define VE_VP8_QP_INDEX_DELTA_Y2AC(v) SHIFT_AND_MASK_BITS(v, 21, 17) +#define VE_VP8_QP_INDEX_DELTA_Y2DC(v) SHIFT_AND_MASK_BITS(v, 16, 12) +#define VE_VP8_QP_INDEX_DELTA_Y1DC(v) SHIFT_AND_MASK_BITS(v, 11, 7) +#define VE_VP8_QP_INDEX_DELTA_BASE_QINDEX(v) SHIFT_AND_MASK_BITS(v, 6, 0) + +#define VE_VP8_PART_SIZE_OFFSET 0x21c +#define VE_VP8_ENTROPY_PROBS_ADDR 0x250 +#define VE_VP8_FIRST_DATA_PART_LEN 0x254 + +#define VE_VP8_FSIZE 0x258 +#define VE_VP8_FSIZE_WIDTH(w) \ + SHIFT_AND_MASK_BITS(DIV_ROUND_UP(w, 16), 15, 8) +#define VE_VP8_FSIZE_HEIGHT(h) \ + SHIFT_AND_MASK_BITS(DIV_ROUND_UP(h, 16), 7, 0) + +#define VE_VP8_PICSIZE 0x25c +#define VE_VP8_PICSIZE_WIDTH(w) SHIFT_AND_MASK_BITS(w, 27, 16) +#define VE_VP8_PICSIZE_HEIGHT(h) SHIFT_AND_MASK_BITS(h, 11, 0) + +#define VE_VP8_REC_LUMA 0x2ac +#define VE_VP8_FWD_LUMA 0x2b0 +#define VE_VP8_BWD_LUMA 0x2b4 +#define VE_VP8_REC_CHROMA 0x2d0 +#define VE_VP8_FWD_CHROMA 0x2d4 +#define VE_VP8_BWD_CHROMA 0x2d8 +#define VE_VP8_ALT_LUMA 0x2e8 +#define VE_VP8_ALT_CHROMA 0x2ec + +#define VE_VP8_SEGMENT_FEAT_MB_LV0 0x2f0 +#define VE_VP8_SEGMENT_FEAT_MB_LV1 0x2f4 + +#define VE_VP8_SEGMENT3(v) SHIFT_AND_MASK_BITS(v, 31, 24) +#define VE_VP8_SEGMENT2(v) SHIFT_AND_MASK_BITS(v, 23, 16) +#define VE_VP8_SEGMENT1(v) SHIFT_AND_MASK_BITS(v, 15, 8) +#define VE_VP8_SEGMENT0(v) SHIFT_AND_MASK_BITS(v, 7, 0) + +#define VE_VP8_REF_LF_DELTA 0x2f8 +#define VE_VP8_MODE_LF_DELTA 0x2fc + +#define VE_VP8_LF_DELTA3(v) SHIFT_AND_MASK_BITS(v, 30, 24) +#define VE_VP8_LF_DELTA2(v) SHIFT_AND_MASK_BITS(v, 22, 16) +#define VE_VP8_LF_DELTA1(v) SHIFT_AND_MASK_BITS(v, 14, 8) +#define VE_VP8_LF_DELTA0(v) SHIFT_AND_MASK_BITS(v, 6, 0) + #define VE_ISP_INPUT_SIZE 0xa00 #define VE_ISP_INPUT_STRIDE 0xa04 #define VE_ISP_CTRL 0xa08 diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c index a78d6b1a3b64..6801ffa77a6b 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c @@ -48,6 +48,10 @@ static struct cedrus_format cedrus_formats[] = { .directions = CEDRUS_DECODE_SRC, .capabilities = CEDRUS_CAPABILITY_H265_DEC, }, + { + .pixelformat = V4L2_PIX_FMT_VP8_FRAME, + .directions = CEDRUS_DECODE_SRC, + }, { .pixelformat = V4L2_PIX_FMT_SUNXI_TILED_NV12, .directions = CEDRUS_DECODE_DST, @@ -125,6 +129,7 @@ void cedrus_prepare_format(struct v4l2_pix_format *pix_fmt, int extended) case V4L2_PIX_FMT_MPEG2_SLICE: case V4L2_PIX_FMT_H264_SLICE: case V4L2_PIX_FMT_HEVC_SLICE: + case V4L2_PIX_FMT_VP8_FRAME: /* Zero bytes per line for encoded source. */ bytesperline = 0; /* Choose some minimum size since this can't be 0 */ @@ -499,6 +504,10 @@ static int cedrus_start_streaming(struct vb2_queue *vq, unsigned int count) ctx->current_codec = CEDRUS_CODEC_H265; break; + case V4L2_PIX_FMT_VP8_FRAME: + ctx->current_codec = CEDRUS_CODEC_VP8; + break; + default: return -EINVAL; } diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c new file mode 100644 index 000000000000..93beffd07c35 --- /dev/null +++ b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c @@ -0,0 +1,699 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Cedrus VPU driver + * + * Copyright (c) 2019 Jernej Skrabec <jernej.skrabec@siol.net> + */ + +#include <linux/delay.h> +#include <linux/types.h> + +#include <media/videobuf2-dma-contig.h> + +#include "cedrus.h" +#include "cedrus_hw.h" +#include "cedrus_regs.h" + +#define CEDRUS_ENTROPY_PROBS_SIZE 0x2400 +#define VP8_PROB_HALF 128 + +static const u8 prob_table_init[] = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xB0, 0xF6, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDF, 0xF1, 0xFC, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xF9, 0xFD, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xF4, 0xFC, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xEA, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xF6, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xEF, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFE, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xF8, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFB, 0xFF, 0xFE, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFD, 0xFE, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFB, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFE, 0xFD, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFA, 0xFF, 0xFE, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD9, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xE1, 0xFC, 0xF1, 0xFD, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xEA, 0xFA, 0xF1, 0xFA, 0xFD, 0xFF, 0xFD, 0xFE, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xDF, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xEE, 0xFD, 0xFE, 0xFE, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xF8, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF9, 0xFE, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFD, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xF7, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFD, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFD, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFE, 0xFD, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xBA, 0xFB, 0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xEA, 0xFB, 0xF4, 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0x00, + 0x00, 0x00, 0x00, 0x00, 0xFD, 0xFF, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFB, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xF5, 0xFB, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFD, 0xFD, 0xFE, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFB, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFD, 0xFE, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFC, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xF9, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFA, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x91, 0x9C, 0xA3, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6E, 0x6F, 0x96, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x78, 0x5A, 0x4F, 0x85, 0x57, 0x55, 0x50, 0x6F, + 0x97, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x93, 0x88, 0x12, 0x00, 0x6A, 0x91, 0x01, 0x00, 0xB3, 0x79, 0x01, 0x00, + 0xDF, 0x01, 0x22, 0x00, 0xD0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x01, 0x01, 0x8F, + 0x0E, 0x12, 0x0E, 0x6B, 0x87, 0x40, 0x39, 0x44, 0x3C, 0x38, 0x80, 0x41, + 0x9F, 0x86, 0x80, 0x22, 0xEA, 0xBC, 0x80, 0x1C, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x84, 0x02, 0x04, 0x06, 0x80, 0x81, 0x82, 0x83, 0x80, 0x02, 0x04, 0x06, + 0x81, 0x82, 0x83, 0x84, 0x80, 0x02, 0x81, 0x04, 0x82, 0x83, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x08, + 0x04, 0x06, 0x80, 0x81, 0x82, 0x83, 0x0A, 0x0C, 0x84, 0x85, 0x86, 0x87, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x08, 0x04, 0x06, 0x80, 0x81, + 0x82, 0x83, 0x0A, 0x0C, 0x84, 0x85, 0x86, 0x87, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x83, 0x02, 0x82, 0x04, 0x80, 0x81, 0x00, 0x00, 0x80, 0x02, 0x81, 0x04, + 0x82, 0x06, 0x08, 0x0C, 0x83, 0x0A, 0x85, 0x86, 0x84, 0x0E, 0x87, 0x10, + 0x88, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x8A, 0x02, 0x8B, 0x04, 0x8C, 0x8D, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x87, 0x02, 0x85, 0x04, 0x86, 0x06, 0x88, 0x89, +}; + +static const u8 vp8_mv_update_prob[2][19] = { + { 237, 246, 253, 253, 254, 254, 254, 254, 254, + 254, 254, 254, 254, 254, 250, 250, 252, 254, 254 }, + { 231, 243, 245, 253, 254, 254, 254, 254, 254, + 254, 254, 254, 254, 254, 251, 251, 254, 254, 254 } +}; + +static uint8_t read_bits(struct cedrus_dev *dev, unsigned int bits_count, + unsigned int probability) +{ + cedrus_write(dev, VE_H264_TRIGGER_TYPE, + VE_H264_TRIGGER_TYPE_VP8_GET_BITS | + VE_H264_TRIGGER_TYPE_BIN_LENS(bits_count) | + VE_H264_TRIGGER_TYPE_PROBABILITY(probability)); + + while (cedrus_read(dev, VE_H264_STATUS) & VE_H264_STATUS_VLD_BUSY) + ; + + return cedrus_read(dev, VE_H264_BASIC_BITS); +} + +static void get_delta_q(struct cedrus_dev *dev) +{ + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 4, VP8_PROB_HALF); + read_bits(dev, 1, VP8_PROB_HALF); + } +} + +static void process_segmentation_info(struct cedrus_dev *dev) +{ + int update = read_bits(dev, 1, VP8_PROB_HALF); + int i; + + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 1, VP8_PROB_HALF); + + for (i = 0; i < 4; i++) + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 7, VP8_PROB_HALF); + read_bits(dev, 1, VP8_PROB_HALF); + } + + for (i = 0; i < 4; i++) + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 6, VP8_PROB_HALF); + read_bits(dev, 1, VP8_PROB_HALF); + } + } + + if (update) + for (i = 0; i < 3; i++) + if (read_bits(dev, 1, VP8_PROB_HALF)) + read_bits(dev, 8, VP8_PROB_HALF); +} + +static void process_ref_lf_delta_info(struct cedrus_dev *dev) +{ + if (read_bits(dev, 1, VP8_PROB_HALF)) { + int i; + + for (i = 0; i < 4; i++) + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 6, VP8_PROB_HALF); + read_bits(dev, 1, VP8_PROB_HALF); + } + + for (i = 0; i < 4; i++) + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 6, VP8_PROB_HALF); + read_bits(dev, 1, VP8_PROB_HALF); + } + } +} + +static void process_ref_frame_info(struct cedrus_dev *dev) +{ + u8 refresh_golden_frame = read_bits(dev, 1, VP8_PROB_HALF); + u8 refresh_alt_ref_frame = read_bits(dev, 1, VP8_PROB_HALF); + + if (!refresh_golden_frame) + read_bits(dev, 2, VP8_PROB_HALF); + + if (!refresh_alt_ref_frame) + read_bits(dev, 2, VP8_PROB_HALF); + + read_bits(dev, 1, VP8_PROB_HALF); + read_bits(dev, 1, VP8_PROB_HALF); +} + +static void cedrus_read_header(struct cedrus_dev *dev, + const struct v4l2_ctrl_vp8_frame_header *slice) +{ + int i, j; + + if (VP8_FRAME_IS_KEY_FRAME(slice)) { + read_bits(dev, 1, VP8_PROB_HALF); + read_bits(dev, 1, VP8_PROB_HALF); + } + + if (read_bits(dev, 1, VP8_PROB_HALF)) + process_segmentation_info(dev); + + read_bits(dev, 1, VP8_PROB_HALF); + read_bits(dev, 6, VP8_PROB_HALF); + read_bits(dev, 3, VP8_PROB_HALF); + + if (read_bits(dev, 1, VP8_PROB_HALF)) + process_ref_lf_delta_info(dev); + + read_bits(dev, 2, VP8_PROB_HALF); + read_bits(dev, 7, VP8_PROB_HALF); + + get_delta_q(dev); + get_delta_q(dev); + get_delta_q(dev); + get_delta_q(dev); + get_delta_q(dev); + + if (!VP8_FRAME_IS_KEY_FRAME(slice)) + process_ref_frame_info(dev); + + read_bits(dev, 1, VP8_PROB_HALF); + + if (!VP8_FRAME_IS_KEY_FRAME(slice)) + read_bits(dev, 1, VP8_PROB_HALF); + + cedrus_write(dev, VE_H264_TRIGGER_TYPE, VE_H264_TRIGGER_TYPE_VP8_UPDATE_COEF); + while (cedrus_read(dev, VE_H264_STATUS) & VE_H264_STATUS_VP8_UPPROB_BUSY) + ; + + cedrus_write(dev, VE_H264_STATUS, VE_H264_CTRL_INT_MASK); + + if (read_bits(dev, 1, VP8_PROB_HALF)) + read_bits(dev, 8, VP8_PROB_HALF); + + if (!VP8_FRAME_IS_KEY_FRAME(slice)) { + read_bits(dev, 8, VP8_PROB_HALF); + read_bits(dev, 8, VP8_PROB_HALF); + read_bits(dev, 8, VP8_PROB_HALF); + + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 8, VP8_PROB_HALF); + read_bits(dev, 8, VP8_PROB_HALF); + read_bits(dev, 8, VP8_PROB_HALF); + read_bits(dev, 8, VP8_PROB_HALF); + } + + if (read_bits(dev, 1, VP8_PROB_HALF)) { + read_bits(dev, 8, VP8_PROB_HALF); + read_bits(dev, 8, VP8_PROB_HALF); + read_bits(dev, 8, VP8_PROB_HALF); + } + + for (i = 0; i < 2; i++) + for (j = 0; j < 19; j++) + if (read_bits(dev, 1, vp8_mv_update_prob[i][j])) + read_bits(dev, 7, VP8_PROB_HALF); + } +} + +static void cedrus_vp8_update_probs(const struct v4l2_ctrl_vp8_frame_header *slice, + u8 *prob_table) +{ + int i, j, k; + + memcpy(&prob_table[0x1008], slice->entropy_header.y_mode_probs, 4); + memcpy(&prob_table[0x1010], slice->entropy_header.uv_mode_probs, 3); + + memcpy(&prob_table[0x1018], slice->segment_header.segment_probs, 3); + + prob_table[0x101c] = slice->prob_skip_false; + prob_table[0x101d] = slice->prob_intra; + prob_table[0x101e] = slice->prob_last; + prob_table[0x101f] = slice->prob_gf; + + memcpy(&prob_table[0x1020], slice->entropy_header.mv_probs[0], 19); + memcpy(&prob_table[0x1040], slice->entropy_header.mv_probs[1], 19); + + for (i = 0; i < 4; ++i) + for (j = 0; j < 8; ++j) + for (k = 0; k < 3; ++k) + memcpy(&prob_table[i * 512 + j * 64 + k * 16], + slice->entropy_header.coeff_probs[i][j][k], 11); +} + +static enum cedrus_irq_status +cedrus_vp8_irq_status(struct cedrus_ctx *ctx) +{ + struct cedrus_dev *dev = ctx->dev; + u32 reg = cedrus_read(dev, VE_H264_STATUS); + + if (reg & (VE_H264_STATUS_DECODE_ERR_INT | + VE_H264_STATUS_VLD_DATA_REQ_INT)) + return CEDRUS_IRQ_ERROR; + + if (reg & VE_H264_CTRL_SLICE_DECODE_INT) + return CEDRUS_IRQ_OK; + + return CEDRUS_IRQ_NONE; +} + +static void cedrus_vp8_irq_clear(struct cedrus_ctx *ctx) +{ + struct cedrus_dev *dev = ctx->dev; + + cedrus_write(dev, VE_H264_STATUS, + VE_H264_STATUS_INT_MASK); +} + +static void cedrus_vp8_irq_disable(struct cedrus_ctx *ctx) +{ + struct cedrus_dev *dev = ctx->dev; + u32 reg = cedrus_read(dev, VE_H264_CTRL); + + cedrus_write(dev, VE_H264_CTRL, + reg & ~VE_H264_CTRL_INT_MASK); +} + +static void cedrus_vp8_setup(struct cedrus_ctx *ctx, + struct cedrus_run *run) +{ + const struct v4l2_ctrl_vp8_frame_header *slice = run->vp8.slice_params; + struct vb2_queue *cap_q = &ctx->fh.m2m_ctx->cap_q_ctx.q; + struct vb2_buffer *src_buf = &run->src->vb2_buf; + struct cedrus_dev *dev = ctx->dev; + dma_addr_t luma_addr, chroma_addr; + dma_addr_t src_buf_addr; + int header_size; + int qindex; + u32 reg; + + cedrus_engine_enable(ctx, CEDRUS_CODEC_VP8); + + cedrus_write(dev, VE_H264_CTRL, VE_H264_CTRL_VP8); + + cedrus_vp8_update_probs(slice, ctx->codec.vp8.entropy_probs_buf); + + reg = slice->first_part_size * 8; + cedrus_write(dev, VE_VP8_FIRST_DATA_PART_LEN, reg); + + header_size = VP8_FRAME_IS_KEY_FRAME(slice) ? 10 : 3; + + reg = slice->first_part_size + header_size; + cedrus_write(dev, VE_VP8_PART_SIZE_OFFSET, reg); + + reg = vb2_plane_size(src_buf, 0) * 8; + cedrus_write(dev, VE_H264_VLD_LEN, reg); + + /* + * FIXME: There is a problem if frame header is skipped (adding + * first_part_header_bits to offset). It seems that functions + * for parsing bitstreams change internal state of VPU in some + * way that can't be otherwise set. Maybe this can be bypassed + * by somehow fixing probability table buffer? + */ + reg = header_size * 8; + cedrus_write(dev, VE_H264_VLD_OFFSET, reg); + + src_buf_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); + cedrus_write(dev, VE_H264_VLD_END, + src_buf_addr + vb2_get_plane_payload(src_buf, 0)); + cedrus_write(dev, VE_H264_VLD_ADDR, + VE_H264_VLD_ADDR_VAL(src_buf_addr) | + VE_H264_VLD_ADDR_FIRST | VE_H264_VLD_ADDR_VALID | + VE_H264_VLD_ADDR_LAST); + + cedrus_write(dev, VE_H264_TRIGGER_TYPE, + VE_H264_TRIGGER_TYPE_INIT_SWDEC); + + cedrus_write(dev, VE_VP8_ENTROPY_PROBS_ADDR, + ctx->codec.vp8.entropy_probs_buf_dma); + + reg = 0; + switch (slice->version) { + case 1: + reg |= VE_VP8_PPS_FILTER_TYPE_SIMPLE; + reg |= VE_VP8_PPS_BILINEAR_MC_FILTER; + break; + case 2: + reg |= VE_VP8_PPS_LPF_DISABLE; + reg |= VE_VP8_PPS_BILINEAR_MC_FILTER; + break; + case 3: + reg |= VE_VP8_PPS_LPF_DISABLE; + reg |= VE_VP8_PPS_FULL_PIXEL; + break; + } + if (slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP) + reg |= VE_VP8_PPS_UPDATE_MB_SEGMENTATION_MAP; + if (!(slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE)) + reg |= VE_VP8_PPS_MB_SEGMENT_ABS_DELTA; + if (slice->segment_header.flags & V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED) + reg |= VE_VP8_PPS_SEGMENTATION_ENABLE; + if (ctx->codec.vp8.last_filter_type) + reg |= VE_VP8_PPS_LAST_LOOP_FILTER_SIMPLE; + reg |= VE_VP8_PPS_SHARPNESS_LEVEL(slice->lf_header.sharpness_level); + if (slice->lf_header.flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE) + reg |= VE_VP8_PPS_LOOP_FILTER_SIMPLE; + reg |= VE_VP8_PPS_LOOP_FILTER_LEVEL(slice->lf_header.level); + if (slice->lf_header.flags & V4L2_VP8_LF_HEADER_ADJ_ENABLE) + reg |= VE_VP8_PPS_MODE_REF_LF_DELTA_ENABLE; + if (slice->lf_header.flags & V4L2_VP8_LF_HEADER_DELTA_UPDATE) + reg |= VE_VP8_PPS_MODE_REF_LF_DELTA_UPDATE; + reg |= VE_VP8_PPS_TOKEN_PARTITION(ilog2(slice->num_dct_parts)); + if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF) + reg |= VE_VP8_PPS_MB_NO_COEFF_SKIP; + reg |= VE_VP8_PPS_RELOAD_ENTROPY_PROBS; + if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN) + reg |= VE_VP8_PPS_GOLDEN_SIGN_BIAS; + if (slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT) + reg |= VE_VP8_PPS_ALTREF_SIGN_BIAS; + if (ctx->codec.vp8.last_frame_p_type) + reg |= VE_VP8_PPS_LAST_PIC_TYPE_P_FRAME; + reg |= VE_VP8_PPS_LAST_SHARPNESS_LEVEL(ctx->codec.vp8.last_sharpness_level); + if (!(slice->flags & V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME)) + reg |= VE_VP8_PPS_PIC_TYPE_P_FRAME; + cedrus_write(dev, VE_VP8_PPS, reg); + + cedrus_read_header(dev, slice); + + /* reset registers changed by HW */ + cedrus_write(dev, VE_H264_CUR_MB_NUM, 0); + cedrus_write(dev, VE_H264_MB_ADDR, 0); + cedrus_write(dev, VE_H264_ERROR_CASE, 0); + + reg = 0; + reg |= VE_VP8_QP_INDEX_DELTA_UVAC(slice->quant_header.uv_ac_delta); + reg |= VE_VP8_QP_INDEX_DELTA_UVDC(slice->quant_header.uv_dc_delta); + reg |= VE_VP8_QP_INDEX_DELTA_Y2AC(slice->quant_header.y2_ac_delta); + reg |= VE_VP8_QP_INDEX_DELTA_Y2DC(slice->quant_header.y2_dc_delta); + reg |= VE_VP8_QP_INDEX_DELTA_Y1DC(slice->quant_header.y_dc_delta); + reg |= VE_VP8_QP_INDEX_DELTA_BASE_QINDEX(slice->quant_header.y_ac_qi); + cedrus_write(dev, VE_VP8_QP_INDEX_DELTA, reg); + + reg = 0; + reg |= VE_VP8_FSIZE_WIDTH(slice->width); + reg |= VE_VP8_FSIZE_HEIGHT(slice->height); + cedrus_write(dev, VE_VP8_FSIZE, reg); + + reg = 0; + reg |= VE_VP8_PICSIZE_WIDTH(slice->width); + reg |= VE_VP8_PICSIZE_HEIGHT(slice->height); + cedrus_write(dev, VE_VP8_PICSIZE, reg); + + reg = 0; + reg |= VE_VP8_SEGMENT3(slice->segment_header.quant_update[3]); + reg |= VE_VP8_SEGMENT2(slice->segment_header.quant_update[2]); + reg |= VE_VP8_SEGMENT1(slice->segment_header.quant_update[1]); + reg |= VE_VP8_SEGMENT0(slice->segment_header.quant_update[0]); + cedrus_write(dev, VE_VP8_SEGMENT_FEAT_MB_LV0, reg); + + reg = 0; + reg |= VE_VP8_SEGMENT3(slice->segment_header.lf_update[3]); + reg |= VE_VP8_SEGMENT2(slice->segment_header.lf_update[2]); + reg |= VE_VP8_SEGMENT1(slice->segment_header.lf_update[1]); + reg |= VE_VP8_SEGMENT0(slice->segment_header.lf_update[0]); + cedrus_write(dev, VE_VP8_SEGMENT_FEAT_MB_LV1, reg); + + reg = 0; + reg |= VE_VP8_LF_DELTA3(slice->lf_header.ref_frm_delta[3]); + reg |= VE_VP8_LF_DELTA2(slice->lf_header.ref_frm_delta[2]); + reg |= VE_VP8_LF_DELTA1(slice->lf_header.ref_frm_delta[1]); + reg |= VE_VP8_LF_DELTA0(slice->lf_header.ref_frm_delta[0]); + cedrus_write(dev, VE_VP8_REF_LF_DELTA, reg); + + reg = 0; + reg |= VE_VP8_LF_DELTA3(slice->lf_header.mb_mode_delta[3]); + reg |= VE_VP8_LF_DELTA2(slice->lf_header.mb_mode_delta[2]); + reg |= VE_VP8_LF_DELTA1(slice->lf_header.mb_mode_delta[1]); + reg |= VE_VP8_LF_DELTA0(slice->lf_header.mb_mode_delta[0]); + cedrus_write(dev, VE_VP8_MODE_LF_DELTA, reg); + + luma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 0); + chroma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 1); + cedrus_write(dev, VE_VP8_REC_LUMA, luma_addr); + cedrus_write(dev, VE_VP8_REC_CHROMA, chroma_addr); + + qindex = vb2_find_timestamp(cap_q, slice->last_frame_ts, 0); + if (qindex >= 0) { + luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0); + chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1); + cedrus_write(dev, VE_VP8_FWD_LUMA, luma_addr); + cedrus_write(dev, VE_VP8_FWD_CHROMA, chroma_addr); + } else { + cedrus_write(dev, VE_VP8_FWD_LUMA, 0); + cedrus_write(dev, VE_VP8_FWD_CHROMA, 0); + } + + qindex = vb2_find_timestamp(cap_q, slice->golden_frame_ts, 0); + if (qindex >= 0) { + luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0); + chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1); + cedrus_write(dev, VE_VP8_BWD_LUMA, luma_addr); + cedrus_write(dev, VE_VP8_BWD_CHROMA, chroma_addr); + } else { + cedrus_write(dev, VE_VP8_BWD_LUMA, 0); + cedrus_write(dev, VE_VP8_BWD_CHROMA, 0); + } + + qindex = vb2_find_timestamp(cap_q, slice->alt_frame_ts, 0); + if (qindex >= 0) { + luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0); + chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1); + cedrus_write(dev, VE_VP8_ALT_LUMA, luma_addr); + cedrus_write(dev, VE_VP8_ALT_CHROMA, chroma_addr); + } else { + cedrus_write(dev, VE_VP8_ALT_LUMA, 0); + cedrus_write(dev, VE_VP8_ALT_CHROMA, 0); + } + + cedrus_write(dev, VE_H264_CTRL, VE_H264_CTRL_VP8 | + VE_H264_CTRL_DECODE_ERR_INT | + VE_H264_CTRL_SLICE_DECODE_INT); + + if (slice->lf_header.level) { + ctx->codec.vp8.last_filter_type = + !!(slice->lf_header.flags & V4L2_VP8_LF_FILTER_TYPE_SIMPLE); + ctx->codec.vp8.last_frame_p_type = + !VP8_FRAME_IS_KEY_FRAME(slice); + ctx->codec.vp8.last_sharpness_level = + slice->lf_header.sharpness_level; + } +} + +static int cedrus_vp8_start(struct cedrus_ctx *ctx) +{ + struct cedrus_dev *dev = ctx->dev; + + ctx->codec.vp8.entropy_probs_buf = + dma_alloc_coherent(dev->dev, CEDRUS_ENTROPY_PROBS_SIZE, + &ctx->codec.vp8.entropy_probs_buf_dma, + GFP_KERNEL); + if (!ctx->codec.vp8.entropy_probs_buf) + return -ENOMEM; + + memcpy(&ctx->codec.vp8.entropy_probs_buf[2048], + prob_table_init, sizeof(prob_table_init)); + + return 0; +} + +static void cedrus_vp8_stop(struct cedrus_ctx *ctx) +{ + struct cedrus_dev *dev = ctx->dev; + + cedrus_engine_disable(dev); + + dma_free_coherent(dev->dev, CEDRUS_ENTROPY_PROBS_SIZE, + ctx->codec.vp8.entropy_probs_buf, + ctx->codec.vp8.entropy_probs_buf_dma); +} + +static void cedrus_vp8_trigger(struct cedrus_ctx *ctx) +{ + struct cedrus_dev *dev = ctx->dev; + + cedrus_write(dev, VE_H264_TRIGGER_TYPE, + VE_H264_TRIGGER_TYPE_VP8_SLICE_DECODE); +} + +struct cedrus_dec_ops cedrus_dec_ops_vp8 = { + .irq_clear = cedrus_vp8_irq_clear, + .irq_disable = cedrus_vp8_irq_disable, + .irq_status = cedrus_vp8_irq_status, + .setup = cedrus_vp8_setup, + .start = cedrus_vp8_start, + .stop = cedrus_vp8_stop, + .trigger = cedrus_vp8_trigger, +};
VP8 in Cedrus shares same engine as H264. Note that it seems necessary to call bitstream parsing functions, to parse frame header, otherwise decoded image is garbage. This is contrary to what is driver supposed to do. However, values are not really used, so this might be acceptable. It's possible that bitstream parsing functions set some internal VPU state, which is later necessary for proper decoding. Biggest suspect is "VP8 probs update" trigger. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> --- drivers/staging/media/sunxi/cedrus/Makefile | 3 +- drivers/staging/media/sunxi/cedrus/cedrus.c | 8 + drivers/staging/media/sunxi/cedrus/cedrus.h | 15 + .../staging/media/sunxi/cedrus/cedrus_dec.c | 5 + .../staging/media/sunxi/cedrus/cedrus_hw.c | 1 + .../staging/media/sunxi/cedrus/cedrus_regs.h | 80 ++ .../staging/media/sunxi/cedrus/cedrus_video.c | 9 + .../staging/media/sunxi/cedrus/cedrus_vp8.c | 699 ++++++++++++++++++ 8 files changed, 819 insertions(+), 1 deletion(-) create mode 100644 drivers/staging/media/sunxi/cedrus/cedrus_vp8.c