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Message-ID: <20231004103720.3540436-3-hugues.fruchet@foss.st.com>
Date: Wed, 4 Oct 2023 12:37:16 +0200
From: Hugues Fruchet <hugues.fruchet@...s.st.com>
To: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
Philipp Zabel <p.zabel@...gutronix.de>,
Andrzej Pietrasiewicz <andrzej.p@...labora.com>,
Nicolas Dufresne <nicolas.dufresne@...labora.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
Daniel Almeida <daniel.almeida@...labora.com>,
Benjamin Mugnier <benjamin.mugnier@...s.st.com>,
Heiko Stuebner <heiko@...ech.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Hans Verkuil <hverkuil@...all.nl>,
<linux-media@...r.kernel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
<linux-stm32@...md-mailman.stormreply.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-rockchip@...ts.infradead.org>
CC: Hugues Fruchet <hugues.fruchet@...s.st.com>,
Marco Felsch <m.felsch@...gutronix.de>,
Adam Ford <aford173@...il.com>
Subject: [RFC 2/6] media: hantro: add VP8 encode support for Rockchip RK3399 VPU2
From: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
A stateless VP8 encoder for rockchip vpu2 found e.g. in rk3399.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
---
drivers/media/platform/verisilicon/Makefile | 2 +
drivers/media/platform/verisilicon/hantro.h | 10 +
.../platform/verisilicon/hantro_boolenc.c | 69 +
.../platform/verisilicon/hantro_boolenc.h | 21 +
.../media/platform/verisilicon/hantro_drv.c | 15 +-
.../media/platform/verisilicon/hantro_hw.h | 90 +
.../media/platform/verisilicon/hantro_v4l2.c | 5 +-
.../media/platform/verisilicon/hantro_vp8.c | 118 ++
.../verisilicon/rockchip_vpu2_hw_vp8_enc.c | 1574 +++++++++++++++++
.../platform/verisilicon/rockchip_vpu2_regs.h | 1 +
.../platform/verisilicon/rockchip_vpu_hw.c | 23 +-
11 files changed, 1924 insertions(+), 4 deletions(-)
create mode 100644 drivers/media/platform/verisilicon/hantro_boolenc.c
create mode 100644 drivers/media/platform/verisilicon/hantro_boolenc.h
create mode 100644 drivers/media/platform/verisilicon/rockchip_vpu2_hw_vp8_enc.c
diff --git a/drivers/media/platform/verisilicon/Makefile b/drivers/media/platform/verisilicon/Makefile
index 3bf43fdbedc1..fb5804e332ba 100644
--- a/drivers/media/platform/verisilicon/Makefile
+++ b/drivers/media/platform/verisilicon/Makefile
@@ -6,6 +6,7 @@ hantro-vpu-y += \
hantro_drv.o \
hantro_v4l2.o \
hantro_postproc.o \
+ hantro_boolenc.o \
hantro_h1_jpeg_enc.o \
hantro_g1.o \
hantro_g1_h264_dec.o \
@@ -18,6 +19,7 @@ hantro-vpu-y += \
rockchip_vpu2_hw_h264_dec.o \
rockchip_vpu2_hw_mpeg2_dec.o \
rockchip_vpu2_hw_vp8_dec.o \
+ rockchip_vpu2_hw_vp8_enc.o \
rockchip_vpu981_hw_av1_dec.o \
rockchip_av1_filmgrain.o \
rockchip_av1_entropymode.o \
diff --git a/drivers/media/platform/verisilicon/hantro.h b/drivers/media/platform/verisilicon/hantro.h
index 77aee9489516..a248734013db 100644
--- a/drivers/media/platform/verisilicon/hantro.h
+++ b/drivers/media/platform/verisilicon/hantro.h
@@ -32,6 +32,7 @@ struct hantro_codec_ops;
struct hantro_postproc_ops;
#define HANTRO_JPEG_ENCODER BIT(0)
+#define HANTRO_VP8_ENCODER BIT(1)
#define HANTRO_ENCODERS 0x0000ffff
#define HANTRO_MPEG2_DECODER BIT(16)
#define HANTRO_VP8_DECODER BIT(17)
@@ -113,6 +114,7 @@ struct hantro_variant {
* @HANTRO_MODE_HEVC_DEC: HEVC decoder.
* @HANTRO_MODE_VP9_DEC: VP9 decoder.
* @HANTRO_MODE_AV1_DEC: AV1 decoder
+ * @HANTRO_MODE_VP8_ENC: VP8 encoder.
*/
enum hantro_codec_mode {
HANTRO_MODE_NONE = -1,
@@ -123,6 +125,7 @@ enum hantro_codec_mode {
HANTRO_MODE_HEVC_DEC,
HANTRO_MODE_VP9_DEC,
HANTRO_MODE_AV1_DEC,
+ HANTRO_MODE_VP8_ENC,
};
/*
@@ -273,6 +276,7 @@ struct hantro_ctx {
struct hantro_hevc_dec_hw_ctx hevc_dec;
struct hantro_vp9_dec_hw_ctx vp9_dec;
struct hantro_av1_dec_hw_ctx av1_dec;
+ struct hantro_vp8_enc_hw_ctx vp8_enc;
};
};
@@ -369,6 +373,12 @@ extern int hantro_debug;
#define vpu_err(fmt, args...) \
pr_err("%s:%d: " fmt, __func__, __LINE__, ##args)
+static inline unsigned int hantro_rounded_luma_size(unsigned int w,
+ unsigned int h)
+{
+ return round_up(w, MB_DIM) * round_up(h, MB_DIM);
+}
+
/* Structure access helpers. */
static __always_inline struct hantro_ctx *fh_to_ctx(struct v4l2_fh *fh)
{
diff --git a/drivers/media/platform/verisilicon/hantro_boolenc.c b/drivers/media/platform/verisilicon/hantro_boolenc.c
new file mode 100644
index 000000000000..88a1c1c166fe
--- /dev/null
+++ b/drivers/media/platform/verisilicon/hantro_boolenc.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bug.h>
+
+#include "hantro_boolenc.h"
+
+void hantro_boolenc_init(struct hantro_boolenc *e, uint8_t *output)
+{
+ e->output = output;
+ e->range = 255;
+ e->bottom = 0;
+ e->bit_count = 24;
+ e->bytes_written = 0;
+}
+
+/*
+ * Add one to a number stored in bytes preceding *q.
+ * There's exactly bytes_written such bytes.
+ *
+ * The spec guarantees that the backward search won't go beyond
+ * the start of the buffer, so if we detect such condition we can
+ * BUG_ON() - this should never happen anyway.
+ */
+static void add_one_to_output(uint8_t *q, int bytes_written)
+{
+ /*
+ * originally:
+ * while (*--q == 0xff)
+ * *q = 0;
+ */
+ for (;;) {
+ BUG_ON(bytes_written-- <= 0); /* check if we're allowed to go back one byte */
+
+ if (*--q == 0xff) /* adding a 1 overflows *--q? */
+ *q = 0; /* yes, so zero *q */
+ else
+ break; /* no, we're good to add 1 */
+ }
+
+ ++*q; /* add 1 */
+}
+
+void hantro_boolenc_write_bool(struct hantro_boolenc *e, uint32_t prob, bool bool_value)
+{
+ uint32_t split = 1 + (((e->range - 1) * prob) >> 8);
+
+ if (bool_value) {
+ e->bottom += split;
+ e->range -= split;
+ } else {
+ e->range = split;
+ }
+
+ while (e->range < 128) {
+ e->range <<= 1;
+
+ if (e->bottom & (1 << 31))
+ add_one_to_output(e->output, e->bytes_written);
+
+ e->bottom <<= 1;
+
+ if (!--e->bit_count) {
+ *e->output++ = (uint8_t)(e->bottom >> 24);
+ ++e->bytes_written;
+ e->bottom &= (1 << 24) - 1;
+ e->bit_count = 8;
+ }
+ }
+}
diff --git a/drivers/media/platform/verisilicon/hantro_boolenc.h b/drivers/media/platform/verisilicon/hantro_boolenc.h
new file mode 100644
index 000000000000..80ec686d504d
--- /dev/null
+++ b/drivers/media/platform/verisilicon/hantro_boolenc.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include <linux/types.h>
+
+struct hantro_boolenc {
+ uint8_t *output; /* next byte pointer */
+ uint32_t range;
+ uint32_t bottom; /* 4 LSB of leftmost end of the range, MSB alread in output */
+ int bit_count; /* how many shifts until next encoded byte available */
+ int bytes_written;
+};
+
+void hantro_boolenc_init(struct hantro_boolenc *e, uint8_t *output);
+
+void hantro_boolenc_write_bool(struct hantro_boolenc *e, uint32_t prob, bool bool_value);
+
+static inline void hantro_boolenc_write_lit(struct hantro_boolenc *e, uint32_t val, uint8_t n)
+{
+ while (n--)
+ hantro_boolenc_write_bool(e, 128, (val >> n) & 0x1);
+}
diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c
index 3156aff50eb5..b25f365ca13f 100644
--- a/drivers/media/platform/verisilicon/hantro_drv.c
+++ b/drivers/media/platform/verisilicon/hantro_drv.c
@@ -160,7 +160,6 @@ void hantro_end_prepare_run(struct hantro_ctx *ctx)
src_buf = hantro_get_src_buf(ctx);
v4l2_ctrl_request_complete(src_buf->vb2_buf.req_obj.req,
&ctx->ctrl_handler);
-
/* Kick the watchdog. */
schedule_delayed_work(&ctx->dev->watchdog_work,
msecs_to_jiffies(2000));
@@ -441,6 +440,20 @@ static const struct hantro_ctrl controls[] = {
.cfg = {
.id = V4L2_CID_STATELESS_MPEG2_SEQUENCE,
},
+ }, {
+ .codec = HANTRO_VP8_ENCODER,
+ .cfg = {
+ .id = V4L2_CID_STATELESS_VP8_ENCODE_PARAMS,
+ },
+ }, {
+ .codec = HANTRO_VP8_ENCODER,
+ .cfg = {
+ .id = V4L2_CID_STATELESS_VP8_ENCODE_QP,
+ .min = 0,
+ .max = 127,
+ .step = 1,
+ .def = 0,
+ },
}, {
.codec = HANTRO_MPEG2_DECODER,
.cfg = {
diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media/platform/verisilicon/hantro_hw.h
index 70c72e9d11d5..aaf82e694cd0 100644
--- a/drivers/media/platform/verisilicon/hantro_hw.h
+++ b/drivers/media/platform/verisilicon/hantro_hw.h
@@ -18,6 +18,8 @@
#include "rockchip_av1_entropymode.h"
#include "rockchip_av1_filmgrain.h"
+#include "hantro_boolenc.h"
+
#define DEC_8190_ALIGN_MASK 0x07U
#define MB_DIM 16
@@ -354,6 +356,67 @@ struct hantro_postproc_ops {
int (*enum_framesizes)(struct hantro_ctx *ctx, struct v4l2_frmsizeenum *fsize);
};
+struct hantro_vp8_entropy {
+ /* TODO: int32_t? */
+ int32_t coeff_prob[4][8][3][11];
+ int32_t coeff_prob_old[4][8][3][11];
+ int32_t mv_prob[2][19];
+ int32_t mv_prob_old[2][19];
+ int32_t y_mode_prob[4];
+ int32_t uv_mode_prob[3];
+};
+
+#define VP8_BIT_LAST 0
+#define VP8_BIT_GOLDEN 1
+#define VP8_BIT_ALT 2
+
+struct hantro_vp8_enc_hw_ctx {
+ struct hantro_aux_buf ref_frames[4]; /* recreated and reference images */
+ struct hantro_aux_buf priv_src; /* cabac table, segment map */
+ struct hantro_aux_buf mv_buf; /* motion vector */
+ struct hantro_aux_buf priv_dst; /* prob count */
+ struct hantro_aux_buf ctrl_buf; /* size table */
+ struct hantro_boolenc boolenc;
+ struct hantro_vp8_entropy entropy;
+ size_t header_size;
+ size_t estimated_hdr_size;
+ size_t frame_counter;
+ int last_ref;
+ int golden_ref;
+ int alt_ref;
+ int first_free;
+ int reconstructed;
+ char ref_bitmaps[4];
+
+ int32_t mode_delta[4];
+ int32_t old_mode_delta[4];
+ int32_t ref_delta[4];
+ int32_t old_ref_delta[4];
+
+ struct {
+ uint8_t tag[3];
+
+ /* the following three only used for inter frames */
+ uint8_t magic[3]; /* 0x9d012a */
+ uint8_t width[2]; /* (scale << 14) | width */
+ uint8_t height[2]; /* (scale << 14) | height */
+ } __packed *frame_tag;
+
+ u8 is_intra:1;
+ u8 last_intra:1;
+ u8 show_frame:1;
+ u8 refresh_golden_frame:1;
+ u8 refresh_alternate_frame:1;
+ u8 refresh_entropy_probs:1;
+
+ u8 prob_skip_false;
+ u8 prob_intra;
+ u8 prob_last;
+ u8 prob_gf;
+ u8 copy_buffer_to_golden;
+ u8 copy_buffer_to_alternate;
+};
+
/**
* struct hantro_codec_ops - codec mode specific operations
*
@@ -521,6 +584,28 @@ hantro_av1_mv_size(unsigned int width, unsigned int height)
return ALIGN(num_sbs * 384, 16) * 2 + 512;
}
+static inline void hantro_vp8_set_bit(struct hantro_vp8_enc_hw_ctx *vp8_enc, char bit, int idx)
+{
+ if (idx < 0)
+ return;
+
+ if (bit != VP8_BIT_LAST && bit != VP8_BIT_GOLDEN && bit != VP8_BIT_ALT)
+ return;
+
+ vp8_enc->ref_bitmaps[idx] |= (1 << bit);
+}
+
+static inline void hantro_vp8_clr_bit(struct hantro_vp8_enc_hw_ctx *vp8_enc, char bit, int idx)
+{
+ if (idx < 0)
+ return;
+
+ if (bit != VP8_BIT_LAST && bit != VP8_BIT_GOLDEN && bit != VP8_BIT_ALT)
+ return;
+
+ vp8_enc->ref_bitmaps[idx] &= ~(1 << bit);
+}
+
int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx);
int rockchip_vpu2_mpeg2_dec_run(struct hantro_ctx *ctx);
void hantro_mpeg2_dec_copy_qtable(u8 *qtable,
@@ -542,4 +627,9 @@ void hantro_vp9_dec_exit(struct hantro_ctx *ctx);
void hantro_g2_check_idle(struct hantro_dev *vpu);
irqreturn_t hantro_g2_irq(int irq, void *dev_id);
+int rockchip_vpu2_vp8_enc_run(struct hantro_ctx *ctx);
+int hantro_vp8_enc_init(struct hantro_ctx *ctx);
+void rockchip_vpu2_vp8_enc_done(struct hantro_ctx *ctx);
+void hantro_vp8_enc_exit(struct hantro_ctx *ctx);
+
#endif /* HANTRO_HW_H_ */
diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c
index b3ae037a50f6..89730f6eee90 100644
--- a/drivers/media/platform/verisilicon/hantro_v4l2.c
+++ b/drivers/media/platform/verisilicon/hantro_v4l2.c
@@ -332,8 +332,9 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx,
pix_mp->field = V4L2_FIELD_NONE;
- v4l2_apply_frmsize_constraints(&pix_mp->width, &pix_mp->height,
- &vpu_fmt->frmsize);
+ if (!capture || !ctx->is_encoder)
+ v4l2_apply_frmsize_constraints(&pix_mp->width, &pix_mp->height,
+ &vpu_fmt->frmsize);
if (!coded) {
/* Fill remaining fields */
diff --git a/drivers/media/platform/verisilicon/hantro_vp8.c b/drivers/media/platform/verisilicon/hantro_vp8.c
index 381bc1d3bfda..63e026055615 100644
--- a/drivers/media/platform/verisilicon/hantro_vp8.c
+++ b/drivers/media/platform/verisilicon/hantro_vp8.c
@@ -199,3 +199,121 @@ void hantro_vp8_dec_exit(struct hantro_ctx *ctx)
dma_free_coherent(vpu->dev, vp8_dec->prob_tbl.size,
vp8_dec->prob_tbl.cpu, vp8_dec->prob_tbl.dma);
}
+
+int hantro_vp8_enc_init(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+ struct hantro_aux_buf *aux_buf;
+ unsigned int mb_width, mb_height;
+ size_t luma_size, segment_map_size;
+ static int32_t mode_delta[4] = { 4, -2, 2, 4 };
+ static int32_t ref_delta[4] = { 2, 0, -2, -2 };
+ int ret, i;
+
+ memcpy(ctx->vp8_enc.mode_delta, mode_delta, sizeof(mode_delta));
+ memcpy(ctx->vp8_enc.ref_delta, ref_delta, sizeof(ref_delta));
+
+ mb_width = DIV_ROUND_UP(ctx->src_fmt.width, 16);
+ mb_height = DIV_ROUND_UP(ctx->src_fmt.height, 16);
+ luma_size = mb_width * mb_height * 16 * 16;
+ segment_map_size = round_up(DIV_ROUND_UP(mb_width * mb_height, 4), 64);
+
+ for (i = 0; i < ARRAY_SIZE(ctx->vp8_enc.ref_frames); ++i) {
+ aux_buf = &ctx->vp8_enc.ref_frames[i];
+ aux_buf->size = luma_size * 3 / 2;
+ aux_buf->cpu = dma_alloc_coherent(vpu->dev, aux_buf->size,
+ &aux_buf->dma, GFP_KERNEL);
+ if (!aux_buf->cpu) {
+ ret = -ENOMEM;
+ goto err_free_ref_frames;
+ }
+ ctx->vp8_enc.ref_bitmaps[i] = 0;
+ }
+ ctx->vp8_enc.last_ref = ctx->vp8_enc.golden_ref = ctx->vp8_enc.alt_ref = -1;
+ ctx->vp8_enc.first_free = 0;
+
+ aux_buf = &ctx->vp8_enc.priv_src;
+ aux_buf->size = 1208 + segment_map_size + PAGE_SIZE; /* TODO: eliminate one page overhead */
+ aux_buf->cpu = dma_alloc_coherent(vpu->dev, aux_buf->size, &aux_buf->dma, GFP_KERNEL);
+ if (!aux_buf->cpu) {
+ ret = -ENOMEM;
+ goto err_free_ref_frames;
+ }
+
+ aux_buf = &ctx->vp8_enc.mv_buf;
+ aux_buf->size = mb_width * mb_height * 4;
+ aux_buf->cpu = dma_alloc_coherent(vpu->dev, aux_buf->size, &aux_buf->dma, GFP_KERNEL);
+ if (!aux_buf->cpu) {
+ ret = -ENOMEM;
+ goto err_free_priv_src;
+ }
+
+ aux_buf = &ctx->vp8_enc.priv_dst;
+ aux_buf->size = PAGE_SIZE; /* TODO: use correct size */
+ aux_buf->cpu = dma_alloc_coherent(vpu->dev, aux_buf->size, &aux_buf->dma, GFP_KERNEL);
+ if (!aux_buf->cpu) {
+ ret = -ENOMEM;
+ goto err_free_mv_buf;
+ }
+
+ aux_buf = &ctx->vp8_enc.ctrl_buf;
+ aux_buf->size = PAGE_SIZE; /* TODO: use correct size */
+ aux_buf->cpu = dma_alloc_coherent(vpu->dev, aux_buf->size, &aux_buf->dma, GFP_KERNEL);
+ if (!aux_buf->cpu) {
+ ret = -ENOMEM;
+ goto err_free_priv_dst;
+ }
+
+ return 0;
+
+err_free_priv_dst:
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.priv_dst.size,
+ ctx->vp8_enc.priv_dst.cpu,
+ ctx->vp8_enc.priv_dst.dma);
+
+err_free_mv_buf:
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.mv_buf.size,
+ ctx->vp8_enc.mv_buf.cpu,
+ ctx->vp8_enc.mv_buf.dma);
+
+err_free_priv_src:
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.priv_src.size,
+ ctx->vp8_enc.priv_src.cpu,
+ ctx->vp8_enc.priv_src.dma);
+
+err_free_ref_frames:
+ while (--i >= 0)
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.ref_frames[i].size,
+ ctx->vp8_enc.ref_frames[i].cpu,
+ ctx->vp8_enc.ref_frames[i].dma);
+
+ return ret;
+}
+
+void hantro_vp8_enc_exit(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+ int i;
+
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.ctrl_buf.size,
+ ctx->vp8_enc.ctrl_buf.cpu,
+ ctx->vp8_enc.ctrl_buf.dma);
+
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.priv_dst.size,
+ ctx->vp8_enc.priv_dst.cpu,
+ ctx->vp8_enc.priv_dst.dma);
+
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.mv_buf.size,
+ ctx->vp8_enc.mv_buf.cpu,
+ ctx->vp8_enc.mv_buf.dma);
+
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.priv_src.size,
+ ctx->vp8_enc.priv_src.cpu,
+ ctx->vp8_enc.priv_src.dma);
+
+ for (i = 0; i < ARRAY_SIZE(ctx->vp8_enc.ref_frames); ++i)
+ dma_free_coherent(vpu->dev, ctx->vp8_enc.ref_frames[i].size,
+ ctx->vp8_enc.ref_frames[i].cpu,
+ ctx->vp8_enc.ref_frames[i].dma);
+
+}
diff --git a/drivers/media/platform/verisilicon/rockchip_vpu2_hw_vp8_enc.c b/drivers/media/platform/verisilicon/rockchip_vpu2_hw_vp8_enc.c
new file mode 100644
index 000000000000..95b14e3a8fcb
--- /dev/null
+++ b/drivers/media/platform/verisilicon/rockchip_vpu2_hw_vp8_enc.c
@@ -0,0 +1,1574 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Collabora Ltd.
+ * Andrzej Pietrasiewicz <andrzej.p@...labora.com>
+ *
+ * This work is derived from:
+ *
+ * https://chromium.googlesource.com/chromiumos/third_party/kernel/+/refs/heads/chromeos-5.10/
+ * drivers/media/platform/verisilicon/rk3399_vpu_hw_vp8_enc.c
+ *
+ * which is:
+ *
+ * Rockchip VPU codec driver
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
+ * Alpha Lin <Alpha.Lin@...k-chips.com>
+ *
+ * Substantial portions are based on MIT-licensed code
+ *
+ * https://github.com/rockchip-linux/mpp/blob/develop/mpp/hal/vpu/vp8e/hal_vp8e_entropy.{c|h}
+ * https://github.com/rockchip-linux/mpp/blob/develop/mpp/hal/vpu/vp8e/hal_vp8e_table.{c|h}
+ *
+ * which is:
+ *
+ * Copyright (c) 2017 Rockchip Electronics Co., Ltd.
+ *
+ */
+#include <linux/minmax.h>
+
+#include "hantro.h"
+#include "hantro_hw.h"
+#include "rockchip_vpu2_regs.h"
+
+/* threshold of MBs count to disable quarter pixel mv for encode speed */
+#define MAX_MB_COUNT_TO_DISABLE_QUARTER_PIXEL_MV 3600
+
+/* threshold of MBs count to disable multi mv in one macro block */
+#define MAX_MB_COUNT_TO_DISABLE_SPLIT_MV 1584
+
+#define QINDEX_RANGE 128
+#define VP8_PROB_COUNT_MV_OFFSET 222
+
+#define MODE_DELTA_BPRED 0
+#define MODE_DELTA_ZEROMV 1
+#define MODE_DELTA_NEWMV 2
+#define MODE_DELTA_SPLITMV 3
+
+#define REF_DELTA_INTRA_MB 0
+#define REF_DELTA_LAST_REF 1
+#define REF_DELTA_GOLDEN 2
+#define REF_DELTA_ALT_REF 3
+
+/* experimentally fitted, 24.893*exp(0.02545*qp) */
+static const s32 split_penalty[QINDEX_RANGE] = {
+ 24, 25, 26, 26, 27, 28, 29, 29,
+ 30, 31, 32, 32, 33, 34, 35, 36,
+ 37, 38, 39, 40, 41, 42, 43, 44,
+ 45, 47, 48, 49, 50, 52, 53, 54,
+ 56, 57, 59, 60, 62, 63, 65, 67,
+ 68, 70, 72, 74, 76, 78, 80, 82,
+ 84, 86, 88, 91, 93, 95, 98, 100,
+ 103, 106, 108, 111, 114, 117, 120, 123,
+ 126, 130, 133, 136, 140, 144, 147, 151,
+ 155, 159, 163, 167, 172, 176, 181, 185,
+ 190, 195, 200, 205, 211, 216, 222, 227,
+ 233, 239, 245, 252, 258, 265, 272, 279,
+ 286, 293, 301, 309, 317, 325, 333, 342,
+ 351, 360, 369, 379, 388, 398, 409, 419,
+ 430, 441, 453, 464, 476, 488, 501, 514,
+ 527, 541, 555, 569, 584, 599, 614, 630
+};
+
+static const int dc_q_lookup[QINDEX_RANGE] = {
+ 4, 5, 6, 7, 8, 9, 10, 10, 11, 12,
+ 13, 14, 15, 16, 17, 17, 18, 19, 20, 20,
+ 21, 21, 22, 22, 23, 23, 24, 25, 25, 26,
+ 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
+ 37, 37, 38, 39, 40, 41, 42, 43, 44, 45,
+ 46, 46, 47, 48, 49, 50, 51, 52, 53, 54,
+ 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
+ 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
+ 75, 76, 76, 77, 78, 79, 80, 81, 82, 83,
+ 84, 85, 86, 87, 88, 89, 91, 93, 95, 96,
+ 98, 100, 101, 102, 104, 106, 108, 110, 112, 114,
+ 116, 118, 122, 124, 126, 128, 130, 132, 134, 136,
+ 138, 140, 143, 145, 148, 151, 154, 157
+};
+
+static const int ac_q_lookup[QINDEX_RANGE] = {
+ 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
+ 54, 55, 56, 57, 58, 60, 62, 64, 66, 68,
+ 70, 72, 74, 76, 78, 80, 82, 84, 86, 88,
+ 90, 92, 94, 96, 98, 100, 102, 104, 106, 108,
+ 110, 112, 114, 116, 119, 122, 125, 128, 131, 134,
+ 137, 140, 143, 146, 149, 152, 155, 158, 161, 164,
+ 167, 170, 173, 177, 181, 185, 189, 193, 197, 201,
+ 205, 209, 213, 217, 221, 225, 229, 234, 239, 245,
+ 249, 254, 259, 264, 269, 274, 279, 284
+};
+
+static const s32 qrounding_factors[QINDEX_RANGE] = {
+ 56, 56, 56, 56, 56, 56, 56, 56, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+ 48, 48, 48, 48, 48, 48, 48, 48
+};
+
+static const s32 qzbin_factors[QINDEX_RANGE] = {
+ 64, 64, 64, 64, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
+ 80, 80, 80, 80, 80, 80, 80, 80
+};
+
+/* Intra 16x16 mode tree penalty values */
+static s32 intra_16_tree_penalty[] = {
+ 305, 841, 914, 1082
+};
+
+/* Intra 4x4 mode tree penalty values */
+static s32 intra_4_tree_penalty[] = {
+ 280, 622, 832, 1177, 1240, 1341, 1085, 1259, 1357, 1495
+};
+
+
+int32_t const offset_tbl[] = {
+ -1, -1, -1, 0, 1, 2, -1, 3, 4, -1, 5, 6, -1, 7, 8, -1,
+ 9, 10, -1, 11, 12, 13, 14, 15, -1, 16, 17, -1, 18, 19, -1, 20,
+ 21, -1, 22, 23, -1, 24, 25, -1, 26, 27, 28, 29, 30, -1, 31, 32,
+ -1, 33, 34, -1, 35, 36, -1, 37, 38, -1, 39, 40, -1, 41, 42, 43,
+ 44, 45, -1, 46, 47, -1, 48, 49, -1, 50, 51, -1, 52, 53, -1, 54,
+ 55, -1, 56, 57, -1, -1, -1, 58, 59, 60, 61, 62, 63, 64, 65, 66,
+ 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82,
+ 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
+ 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
+ 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130,
+ 131, 132, 133, 134, 135, 136, 137, 138, -1, -1, -1, 139, 140, 141, 142, 143,
+ 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+ 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
+ 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
+ 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
+ 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219
+};
+
+/* ~round((2*(2+exp((x+22)/39)) + (2+exp((x+15)/32)))/3) */
+static s32 weight[QINDEX_RANGE] = {
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 7, 7, 7,
+ 7, 7, 7, 7, 7, 8, 8, 8, 8, 8,
+ 8, 8, 9, 9, 9, 9, 9, 10, 10, 10,
+ 10, 11, 11, 11, 12, 12, 13, 13, 13, 13,
+ 14, 14, 14, 14, 15, 15, 15, 16, 16, 17,
+ 17, 18, 18, 19, 19, 20, 20, 20, 21, 22,
+ 23, 23, 24, 24, 25, 25, 26, 27, 28, 28,
+ 29, 30, 31, 32, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 44, 44, 46, 47, 48,
+ 50, 51, 52, 54, 55, 57, 58, 61
+};
+
+struct tree {
+ s32 value; /* Bits describe the bool tree */
+ s32 number; /* Number, valid bit count in above tree */
+ s32 index[9]; /* Probability table index */
+};
+
+/* Motion vector tree */
+static struct tree mv_tree[] = {
+ { 0, 3, { 0, 1, 2 } }, /* mv_0 000 */
+ { 1, 3, { 0, 1, 2 } }, /* mv_1 001 */
+ { 2, 3, { 0, 1, 3 } }, /* mv_2 010 */
+ { 3, 3, { 0, 1, 3 } }, /* mv_3 011 */
+ { 4, 3, { 0, 4, 5 } }, /* mv_4 100 */
+ { 5, 3, { 0, 4, 5 } }, /* mv_5 101 */
+ { 6, 3, { 0, 4, 6 } }, /* mv_6 110 */
+ { 7, 3, { 0, 4, 6 } }, /* mv_7 111 */
+};
+
+/* If probability being zero is p, then average number of bits used to encode 0
+ * is log2(1/p), to encode 1 is log2(1/(1-p)).
+ *
+ * For example, if the probability of being zero is 0.5
+ * bin = 0 -> average bits used is log2(1/0.5) = 1 bits/bin
+ * bin = 1 -> average bits used is log2(1/(1 - 0.5) = 1 bits/bin
+ *
+ * For example, if the probability of being zero is 0.95
+ * bin = 0 -> average bits used is log2(1/0.95) = 0.074 bits/bin
+ * bin = 1 -> average bits used is log2(1/(1 - 0.95) = 4.321 bits/bin
+ *
+ * The cost[p] is average number of bits used to encode 0 if the probability is
+ * p / 256, scaled by a magic number 256,
+ * i.e., cost[p] = round(log2(256 / p) * 256).
+ */
+static const s32 vp8_prob_cost[] = {
+ 2048, 2048, 1792, 1642, 1536, 1454, 1386, 1329, 1280, 1236,
+ 1198, 1162, 1130, 1101, 1073, 1048, 1024, 1002, 980, 961,
+ 942, 924, 906, 890, 874, 859, 845, 831, 817, 804,
+ 792, 780, 768, 757, 746, 735, 724, 714, 705, 695,
+ 686, 676, 668, 659, 650, 642, 634, 626, 618, 611,
+ 603, 596, 589, 582, 575, 568, 561, 555, 548, 542,
+ 536, 530, 524, 518, 512, 506, 501, 495, 490, 484,
+ 479, 474, 468, 463, 458, 453, 449, 444, 439, 434,
+ 430, 425, 420, 416, 412, 407, 403, 399, 394, 390,
+ 386, 382, 378, 374, 370, 366, 362, 358, 355, 351,
+ 347, 343, 340, 336, 333, 329, 326, 322, 319, 315,
+ 312, 309, 305, 302, 299, 296, 292, 289, 286, 283,
+ 280, 277, 274, 271, 268, 265, 262, 259, 256, 253,
+ 250, 247, 245, 242, 239, 236, 234, 231, 228, 226,
+ 223, 220, 218, 215, 212, 210, 207, 205, 202, 200,
+ 197, 195, 193, 190, 188, 185, 183, 181, 178, 176,
+ 174, 171, 169, 167, 164, 162, 160, 158, 156, 153,
+ 151, 149, 147, 145, 143, 140, 138, 136, 134, 132,
+ 130, 128, 126, 124, 122, 120, 118, 116, 114, 112,
+ 110, 108, 106, 104, 102, 101, 99, 97, 95, 93,
+ 91, 89, 87, 86, 84, 82, 80, 78, 77, 75,
+ 73, 71, 70, 68, 66, 64, 63, 61, 59, 58,
+ 56, 54, 53, 51, 49, 48, 46, 44, 43, 41,
+ 40, 38, 36, 35, 33, 32, 30, 28, 27, 25,
+ 24, 22, 21, 19, 18, 16, 15, 13, 12, 10,
+ 9, 7, 6, 4, 3, 1
+};
+
+/* Approximate bit cost of bin at given probability prob */
+#define COST_BOOL(prob, bin) vp8_prob_cost[(bin) ? 255 - (prob) : (prob)]
+
+uint32_t const coeff_update_prob[4][8][3][11] = {
+ {
+ {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255},
+ {249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255},
+ {234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255},
+ {250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255},
+ {254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ },
+ }, {
+ {
+ {217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255},
+ {234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255},
+ }, {
+ {255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255},
+ {250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ },
+ }, {
+ {
+ {186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255},
+ {234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255},
+ {251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255},
+ }, {
+ {255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ },
+ }, {
+ {
+ {248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255},
+ {248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255},
+ {246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255},
+ {252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255},
+ {248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255},
+ {253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255},
+ {252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255},
+ {250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ }, {
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255},
+ },
+ },
+};
+
+uint32_t const 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
+ }
+};
+
+uint8_t const default_prob_skip_false[128] = {
+ 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255,
+ 251, 248, 244, 240, 236, 232, 229, 225,
+ 221, 217, 213, 208, 204, 199, 194, 190,
+ 187, 183, 179, 175, 172, 168, 164, 160,
+ 157, 153, 149, 145, 142, 138, 134, 130,
+ 127, 124, 120, 117, 114, 110, 107, 104,
+ 101, 98, 95, 92, 89, 86, 83, 80,
+ 77, 74, 71, 68, 65, 62, 59, 56,
+ 53, 50, 47, 44, 41, 38, 35, 32,
+ 30, 28, 26, 24, 22, 20, 18, 16,
+};
+
+int32_t const y_mode_prob[4] = {
+ 112, 86, 140, 37
+};
+
+int32_t const uv_mode_prob[3] = {
+ 162, 101, 204
+};
+
+uint32_t const default_prob_coeff[4][8][3][11] = {
+ {
+ {
+ {128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128},
+ {128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128},
+ {128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128},
+ }, {
+ {253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128},
+ {189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128},
+ {106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128},
+ }, {
+ { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128},
+ {181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128},
+ { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128},
+ }, {
+ { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128},
+ {184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128},
+ { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128},
+ }, {
+ { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128},
+ {170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128},
+ { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128},
+ }, {
+ { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128},
+ {207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128},
+ {102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128},
+ }, {
+ { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128},
+ {177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128},
+ { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128},
+ }, {
+ { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ {246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ {255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128},
+ },
+ }, {
+ {
+ {198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62},
+ {131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1},
+ { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128},
+ }, {
+ { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128},
+ {184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128},
+ { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128},
+ }, {
+ { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128},
+ { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128},
+ { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128},
+ }, {
+ { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128},
+ {109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128},
+ { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128},
+ }, {
+ { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128},
+ { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128},
+ { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128},
+ }, {
+ { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128},
+ {124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128},
+ { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128},
+ }, {
+ { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128},
+ {121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128},
+ { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128},
+ }, {
+ { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128},
+ {203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128},
+ {137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128},
+ },
+ }, {
+ {
+ {253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128},
+ {175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128},
+ { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128},
+ }, {
+ { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128},
+ {239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128},
+ {155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128},
+ }, {
+ { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128},
+ {201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128},
+ { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128},
+ }, {
+ { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128},
+ {223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128},
+ {141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128},
+ }, {
+ { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128},
+ {190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128},
+ {149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ }, {
+ { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ {247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ {240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ }, {
+ { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128},
+ {213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128},
+ { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ }, {
+ {128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128},
+ {128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128},
+ {128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128},
+ },
+ }, {
+ {
+ {202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255},
+ {126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128},
+ { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128},
+ }, {
+ { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128},
+ {166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128},
+ { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128},
+ }, {
+ { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128},
+ {124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128},
+ { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128},
+ }, {
+ { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128},
+ {149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128},
+ { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128},
+ }, {
+ { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128},
+ {123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128},
+ { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128},
+ }, {
+ { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128},
+ {168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128},
+ { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128},
+ }, {
+ { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128},
+ {141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128},
+ { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128},
+ }, {
+ { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ {244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ {238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128},
+ },
+ }
+};
+
+uint32_t const default_prob_mv[2][19] = {
+ {
+ 162, 128, 225, 146, 172, 147, 214, 39, 156, 128,
+ 129, 132, 75, 145, 178, 206, 239, 254, 254,
+ }, {
+ 164, 128, 204, 170, 119, 235, 140, 230, 228, 128,
+ 130, 130, 74, 148, 180, 203, 236, 254, 254,
+ },
+};
+
+struct hantro_vp8_enc_ctrl_buf {
+ u32 hw_hdr_size;
+ u32 dct_size;
+ u8 reserved[1016];
+};
+
+static inline bool is_intra(struct hantro_ctx *ctx)
+{
+ return ctx->vp8_enc.is_intra;
+}
+
+static inline size_t frame_tag_size(struct hantro_ctx *ctx)
+{
+ return is_intra(ctx) ? 10 : 3;
+}
+
+static void rockchip_vpu2_vp8_enc_write_coeff_prob(struct hantro_ctx *ctx)
+{
+ struct hantro_boolenc *e = &ctx->vp8_enc.boolenc;
+ struct hantro_vp8_entropy *entropy = &ctx->vp8_enc.entropy;
+
+ int i, j, k, l;
+ uint32_t prob, new, old;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 8; j++) {
+ for (k = 0; k < 3; k++) {
+ for (l = 0; l < 11; l++) {
+ prob = coeff_update_prob[i][j][k][l];
+
+ old = entropy->coeff_prob_old[i][j][k][l];
+ new = entropy->coeff_prob[i][j][k][l];
+
+ if (new == old) {
+ hantro_boolenc_write_bool(e, prob, 0);
+ } else {
+ hantro_boolenc_write_bool(e, prob, 1);
+ hantro_boolenc_write_lit(e, new, 8);
+ }
+ }
+ }
+ }
+ }
+}
+
+static void rockchip_vpu2_vp8_enc_write_mv_prob(struct hantro_ctx *ctx)
+{
+ struct hantro_boolenc *e = &ctx->vp8_enc.boolenc;
+ struct hantro_vp8_entropy *entropy = &ctx->vp8_enc.entropy;
+
+ int i, j;
+ uint32_t prob, new, old;
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 19; j++) {
+ prob = mv_update_prob[i][j];
+ old = entropy->mv_prob_old[i][j];
+ new = entropy->mv_prob[i][j];
+
+ if (new == old) {
+ hantro_boolenc_write_bool(e, prob, 0);
+ } else {
+ hantro_boolenc_write_bool(e, prob, 1);
+ hantro_boolenc_write_lit(e, new >> 1, 7);
+ }
+ }
+ }
+}
+
+static void rockchip_vpu2_vp8_enc_write_filter_level_delta(struct hantro_ctx *ctx)
+{
+ struct hantro_boolenc *e = &ctx->vp8_enc.boolenc;
+ int32_t i, tmp;
+ uint8_t update = 0;
+ int32_t mode_update[4];
+ int32_t ref_update[4];
+
+ if (is_intra(ctx)) {
+ memset(ctx->vp8_enc.old_mode_delta, 0, sizeof(ctx->vp8_enc.old_mode_delta));
+ memset(ctx->vp8_enc.old_ref_delta, 0, sizeof(ctx->vp8_enc.old_ref_delta));
+ }
+
+ for (i = 0; i < 4; i++) {
+ mode_update[i] = ctx->vp8_enc.mode_delta[i] != ctx->vp8_enc.old_mode_delta[i];
+ ref_update[i] = ctx->vp8_enc.ref_delta[i] != ctx->vp8_enc.old_ref_delta[i];
+ if (mode_update[i] || ref_update[i])
+ update = 1;
+ }
+
+ if (!ctx->vp8_enc.refresh_entropy_probs)
+ update = 1;
+
+ hantro_boolenc_write_lit(e, update, 1);
+ if (!update)
+ return;
+
+ for (i = 0; i < 4; i++) {
+ hantro_boolenc_write_lit(e, ref_update[i], 1);
+ if (ref_update[i]) {
+ tmp = ctx->vp8_enc.ref_delta[i];
+ hantro_boolenc_write_lit(e, abs(tmp), 6);
+ hantro_boolenc_write_lit(e, tmp < 0, 1);
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ hantro_boolenc_write_lit(e, mode_update[i], 1);
+ if (mode_update[i]) {
+ tmp = ctx->vp8_enc.mode_delta[i];
+ hantro_boolenc_write_lit(e, abs(tmp), 6);
+ hantro_boolenc_write_lit(e, tmp < 0, 1);
+ }
+ }
+
+ memcpy(ctx->vp8_enc.old_mode_delta, ctx->vp8_enc.mode_delta,
+ sizeof(ctx->vp8_enc.old_mode_delta));
+ memcpy(ctx->vp8_enc.old_ref_delta, ctx->vp8_enc.ref_delta,
+ sizeof(ctx->vp8_enc.old_ref_delta));
+}
+
+static void rockchip_vpu2_vp8_enc_write_header(struct hantro_ctx *ctx, u32 qp,
+ struct v4l2_ctrl_vp8_encode_params *params)
+{
+ struct hantro_boolenc *e = &ctx->vp8_enc.boolenc;
+ struct vb2_v4l2_buffer *dst_buf = hantro_get_dst_buf(ctx);
+ void *vaddr = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
+
+ ctx->vp8_enc.frame_tag = vaddr;
+ memset(ctx->vp8_enc.frame_tag, 0, sizeof(*ctx->vp8_enc.frame_tag));
+ ctx->vp8_enc.frame_tag->tag[0] |= (1 << 1); /* version 1 */
+ if (ctx->vp8_enc.show_frame)
+ ctx->vp8_enc.frame_tag->tag[0] |= (1 << 4);
+ /* first partition size is known only after encoding */
+
+ if (is_intra(ctx)) {
+ ctx->vp8_enc.frame_tag->magic[0] = 0x9d;
+ ctx->vp8_enc.frame_tag->magic[1] = 0x01;
+ ctx->vp8_enc.frame_tag->magic[2] = 0x2a;
+
+ ctx->vp8_enc.frame_tag->width[0] = ctx->src_fmt.width & 0xff;
+ ctx->vp8_enc.frame_tag->width[1] = (ctx->src_fmt.width >> 8) & 0xff;
+
+ ctx->vp8_enc.frame_tag->height[0] = ctx->src_fmt.height & 0xff;
+ ctx->vp8_enc.frame_tag->height[1] = (ctx->src_fmt.height >> 8) & 0xff;
+ } else {
+ ctx->vp8_enc.frame_tag->tag[0] |= 0x1;
+ }
+
+ hantro_boolenc_init(e, vaddr + frame_tag_size(ctx));
+
+ if (is_intra(ctx)) {
+ hantro_boolenc_write_lit(e, params->color_space, 1);
+ hantro_boolenc_write_lit(e, params->clamping_type, 1);
+ }
+
+ hantro_boolenc_write_lit(e, !!(params->flags & V4L2_VP8_FRAME_FLAG_SEGMENT_ENABLED), 1);
+
+ hantro_boolenc_write_lit(e, params->loop_filter_type, 1);
+ hantro_boolenc_write_lit(e, params->loop_filter_level, 6);
+ hantro_boolenc_write_lit(e, params->sharpness_level, 3);
+ hantro_boolenc_write_lit(e, !!(params->flags & V4L2_VP8_FRAME_FLAG_LOOP_FILTER_ADJ_ENABLED),
+ 1);
+ if (params->flags & V4L2_VP8_FRAME_FLAG_LOOP_FILTER_ADJ_ENABLED)
+ rockchip_vpu2_vp8_enc_write_filter_level_delta(ctx);
+
+ hantro_boolenc_write_lit(e, params->log2_nbr_of_dct_partitions, 2);
+
+ hantro_boolenc_write_lit(e, qp, 7);
+
+ hantro_boolenc_write_lit(e, 0, 1);
+ hantro_boolenc_write_lit(e, 0, 1);
+ hantro_boolenc_write_lit(e, 0, 1);
+ hantro_boolenc_write_lit(e, 0, 1);
+ hantro_boolenc_write_lit(e, 0, 1);
+
+ if (!is_intra(ctx)) {
+ hantro_boolenc_write_lit(e, 0, 1); /* refresh golden */
+ hantro_boolenc_write_lit(e, 0, 1); /* refresh alt */
+ hantro_boolenc_write_lit(e, 0, 2); /* copy to golden */
+ hantro_boolenc_write_lit(e, 0, 2); /* copy to alt */
+ hantro_boolenc_write_lit(e, 0, 1); /* sign bias golden */
+ hantro_boolenc_write_lit(e, 0, 1); /* sign bias alt */
+ hantro_boolenc_write_lit(e, ctx->vp8_enc.refresh_entropy_probs, 1);
+ hantro_boolenc_write_lit(e, 1, 1);
+ } else {
+ hantro_boolenc_write_lit(e, ctx->vp8_enc.refresh_entropy_probs, 1);
+ }
+
+ rockchip_vpu2_vp8_enc_write_coeff_prob(ctx);
+
+ hantro_boolenc_write_lit(e, 1, 1);
+ hantro_boolenc_write_lit(e, ctx->vp8_enc.prob_skip_false, 8);
+
+ if (is_intra(ctx))
+ return;
+
+ hantro_boolenc_write_lit(e, ctx->vp8_enc.prob_intra, 8);
+ hantro_boolenc_write_lit(e, ctx->vp8_enc.prob_last, 8);
+ hantro_boolenc_write_lit(e, ctx->vp8_enc.prob_gf, 8);
+ hantro_boolenc_write_lit(e, 0, 1); /* intra 16x16 prob update flag */
+ hantro_boolenc_write_lit(e, 0, 1); /* intra chroma prob update flag */
+
+ rockchip_vpu2_vp8_enc_write_mv_prob(ctx);
+}
+
+static uint32_t calc_mvprob(uint32_t left, uint32_t right, uint32_t prob)
+{
+ uint32_t p;
+
+ if (left + right) {
+ p = (left * 255) / (left + right);
+ p &= -2;
+ if (!p)
+ p = 1;
+ } else {
+ p = prob;
+ }
+
+ return p;
+}
+
+static uint32_t update_prob(uint32_t prob, uint32_t left, uint32_t right,
+ uint32_t old_prob, uint32_t new_prob, uint32_t fixed)
+{
+ int32_t u, s;
+
+ u = (int32_t)fixed + ((vp8_prob_cost[255 - prob] - vp8_prob_cost[prob]) >> 8);
+ s = ((int32_t)left * (vp8_prob_cost[old_prob] - vp8_prob_cost[new_prob]) +
+ (int32_t)right *
+ (vp8_prob_cost[255 - old_prob] - vp8_prob_cost[255 - new_prob])) >> 8;
+
+ return (s > u);
+}
+
+static void rockchip_vpu2_vp8_enc_update_entropy(struct hantro_ctx *ctx)
+{
+ struct hantro_vp8_entropy *entropy = &ctx->vp8_enc.entropy;
+ uint16_t *p_cnt = (uint16_t *)ctx->vp8_enc.priv_dst.cpu;
+
+ int32_t i, j, k, l;
+
+ uint32_t p, left, right;
+ uint32_t old_p, upd_p = 0;
+
+ uint32_t type;
+ uint32_t branch_cnt[2];
+ uint16_t *p_tmp = NULL;
+
+ if (!ctx->vp8_enc.refresh_entropy_probs || is_intra(ctx)) {
+ memcpy(entropy->coeff_prob, default_prob_coeff, sizeof(default_prob_coeff));
+ memcpy(entropy->mv_prob, default_prob_mv, sizeof(default_prob_mv));
+ }
+
+ memcpy(entropy->coeff_prob_old, entropy->coeff_prob, sizeof(entropy->coeff_prob));
+ if (ctx->vp8_enc.frame_counter == 0 || !ctx->vp8_enc.last_intra)
+ memcpy(entropy->mv_prob_old, entropy->mv_prob, sizeof(entropy->mv_prob));
+
+ if (!ctx->vp8_enc.frame_counter)
+ return;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 7; j++) {
+ for (k = 0; k < 3; k++) {
+ int32_t tmp, ii;
+
+ tmp = i * 7 * 3 + j * 3 + k;
+ tmp += 2 * 4 * 7 * 3;
+ ii = offset_tbl[tmp];
+
+ right = ii >= 0 ? p_cnt[ii] : 0;
+
+ for (l = 2; l--;) {
+ old_p = entropy->coeff_prob[i][j][k][l];
+ old_p = coeff_update_prob[i][j][k][l];
+
+ tmp -= 4 * 7 * 3;
+ ii = offset_tbl[tmp];
+ left = ii >= 0 ? p_cnt[ii] : 0;
+ if (left + right) {
+ p = ((left * 256) + ((left + right) >> 1)) /
+ (left + right);
+ if (p > 255)
+ p = 255;
+ } else {
+ p = old_p;
+ }
+
+ if (update_prob(upd_p, left, right, old_p, p, 8))
+ entropy->coeff_prob[i][j][k][l] = p;
+
+ right += left;
+ }
+ }
+ }
+ }
+
+ p_tmp = p_cnt + VP8_PROB_COUNT_MV_OFFSET;
+ for (i = 0; i < 2; i++) {
+ left = *p_tmp++;
+ right = *p_tmp++;
+
+ p = calc_mvprob(left, right, entropy->mv_prob_old[i][0]);
+
+ if (update_prob(mv_update_prob[i][0], left, right,
+ entropy->mv_prob_old[i][0], p, 6))
+ entropy->mv_prob[i][0] = p;
+
+ right += left;
+ left = *p_tmp++;
+ right -= left - p_tmp[0];
+
+ p = calc_mvprob(left, right, entropy->mv_prob_old[i][1]);
+ if (update_prob(mv_update_prob[i][1], left, right,
+ entropy->mv_prob_old[i][1], p, 6))
+ entropy->mv_prob[i][1] = p;
+
+ for (j = 0; j < 2; j++) {
+ left = *p_tmp++;
+ right = *p_tmp++;
+ p = calc_mvprob(left, right, entropy->mv_prob_old[i][4 + j]);
+ if (update_prob(mv_update_prob[i][4 + j], left, right,
+ entropy->mv_prob_old[i][4 + j], p, 6))
+ entropy->mv_prob[i][4 + j] = p;
+ branch_cnt[j] = left + right;
+ }
+
+ p = calc_mvprob(branch_cnt[0], branch_cnt[1], entropy->mv_prob_old[i][3]);
+ if (update_prob(mv_update_prob[i][3], branch_cnt[0], branch_cnt[1],
+ entropy->mv_prob_old[i][3], p, 6))
+ entropy->mv_prob[i][3] = p;
+
+ type = branch_cnt[0] + branch_cnt[1];
+
+ for (j = 0; j < 2; j++) {
+ left = *p_tmp++;
+ right = *p_tmp++;
+ p = calc_mvprob(left, right, entropy->mv_prob_old[i][7 + j]);
+ if (update_prob(mv_update_prob[i][7 + j], left, right,
+ entropy->mv_prob_old[i][7 + j], p, 6))
+ entropy->mv_prob[i][7 + j] = p;
+ branch_cnt[j] = left + right;
+ }
+
+ p = calc_mvprob(branch_cnt[0], branch_cnt[1], entropy->mv_prob_old[i][6]);
+ if (update_prob(mv_update_prob[i][6], branch_cnt[0], branch_cnt[1],
+ entropy->mv_prob_old[i][6], p, 6))
+ entropy->mv_prob[i][6] = p;
+
+ p = calc_mvprob(type, branch_cnt[0] + branch_cnt[1],
+ entropy->mv_prob_old[i][2]);
+ if (update_prob(mv_update_prob[i][2], type, branch_cnt[0] + branch_cnt[1],
+ entropy->mv_prob_old[i][2], p, 6))
+ entropy->mv_prob[i][2] = p;
+ }
+
+ memcpy(entropy->y_mode_prob, y_mode_prob, sizeof(y_mode_prob));
+ memcpy(entropy->uv_mode_prob, uv_mode_prob, sizeof(uv_mode_prob));
+}
+
+static inline int coeff_prob_idx(int index)
+{
+ return (index / 8) * 8 + 7 - (index % 8);
+}
+
+static void rockchip_vpu2_vp8_enc_write_entropy(struct hantro_ctx *ctx)
+{
+ struct hantro_vp8_entropy *entropy = &ctx->vp8_enc.entropy;
+ uint8_t *entropy_table = ctx->vp8_enc.priv_src.cpu;
+ int index, i, j, k, l;
+
+ memset(entropy_table, 0, 56);
+ entropy_table[7] = ctx->vp8_enc.prob_skip_false;
+ entropy_table[6] = ctx->vp8_enc.prob_intra;
+ entropy_table[5] = ctx->vp8_enc.prob_last;
+ entropy_table[4] = ctx->vp8_enc.prob_gf;
+ entropy_table[3] = 0; /* segment_prob[0]; */
+ entropy_table[2] = 0; /* segment_prob[1]; */
+ entropy_table[1] = 0; /* segment_prob[2]; */
+
+ entropy_table[15] = entropy->y_mode_prob[0];
+ entropy_table[14] = entropy->y_mode_prob[1];
+ entropy_table[13] = entropy->y_mode_prob[2];
+ entropy_table[12] = entropy->y_mode_prob[3];
+ entropy_table[11] = entropy->uv_mode_prob[0];
+ entropy_table[10] = entropy->uv_mode_prob[1];
+ entropy_table[9] = entropy->uv_mode_prob[2];
+
+ entropy_table[23] = entropy->mv_prob[1][0];
+ entropy_table[22] = entropy->mv_prob[0][0];
+ entropy_table[21] = entropy->mv_prob[1][1];
+ entropy_table[20] = entropy->mv_prob[0][1];
+ entropy_table[19] = entropy->mv_prob[1][17];
+ entropy_table[18] = entropy->mv_prob[1][18];
+ entropy_table[17] = entropy->mv_prob[0][17];
+ entropy_table[16] = entropy->mv_prob[0][18];
+
+ for (i = 0; i < 8; ++i)
+ entropy_table[24 + 7 - i] = entropy->mv_prob[1][9 + i];
+
+ for (i = 0; i < 8; ++i)
+ entropy_table[32 + 7 - i] = entropy->mv_prob[0][9 + i];
+
+ for (i = 0; i < 7; ++i)
+ entropy_table[40 + 7 - i] = entropy->mv_prob[1][2 + i];
+
+ for (i = 0; i < 7; ++i)
+ entropy_table[48 + 7 - i] = entropy->mv_prob[0][2 + i];
+
+ index = 56;
+
+ for (i = 0; i < 4; ++i)
+ for (j = 0; j < 8; ++j)
+ for (k = 0; k < 3; ++k) {
+ for (l = 0; l < 3; ++l)
+ entropy_table[coeff_prob_idx(index++)] =
+ entropy->coeff_prob[i][j][k][l];
+ entropy_table[coeff_prob_idx(index++)] = 0;
+ }
+
+ for (i = 0; i < 4; ++i)
+ for (j = 0; j < 8; ++j)
+ for (k = 0; k < 3; ++k) {
+ for (l = 4; l < 11; ++l)
+ entropy_table[coeff_prob_idx(index++)] =
+ entropy->coeff_prob[i][j][k][l];
+ entropy_table[coeff_prob_idx(index++)] =
+ entropy->coeff_prob[i][j][k][3];
+ }
+}
+
+static inline size_t sw_hdr_size(struct hantro_ctx *ctx)
+{
+ return ctx->vp8_enc.boolenc.bytes_written + frame_tag_size(ctx);
+}
+
+static inline u32 enc_in_img_ctrl(struct hantro_ctx *ctx, u32 qp)
+{
+ unsigned int overfill_r, overfill_b;
+
+ /*
+ * The hardware needs only the value for luma plane, because
+ * values of other planes are calculated internally based on
+ * format setting.
+ */
+ overfill_r = ctx->src_fmt.width - ctx->dst_fmt.width;
+ overfill_b = ctx->src_fmt.height - ctx->dst_fmt.height;
+
+ return VEPU_REG_STREAM_START_OFFSET(0) |
+ VEPU_REG_IN_IMG_CTRL_OVRFLR_D4(overfill_r / 4) |
+ VEPU_REG_IN_IMG_CTRL_OVRFLB(overfill_b) |
+ VEPU_REG_SKIP_MACROBLOCK_PENALTY(qp >= 100 ? (3 * qp / 4) : 0);
+}
+
+static void
+rockchip_vpu2_vp8_enc_set_buffers(struct hantro_dev *vpu, struct hantro_ctx *ctx, u32 qp,
+ struct v4l2_ctrl_vp8_encode_params *params)
+{
+ const u32 src_addr_regs[] = { VEPU_REG_ADDR_IN_PLANE_0,
+ VEPU_REG_ADDR_IN_PLANE_1,
+ VEPU_REG_ADDR_IN_PLANE_2 };
+ struct vb2_v4l2_buffer *src_buf, *dst_buf;
+ struct v4l2_pix_format_mplane *src_fmt = &ctx->src_fmt;
+ size_t luma_size;
+ dma_addr_t dst_dma;
+ size_t dst_size;
+ int i, ref_idx;
+
+ src_buf = hantro_get_src_buf(ctx);
+ dst_buf = hantro_get_dst_buf(ctx);
+
+ luma_size = hantro_rounded_luma_size(ctx->src_fmt.width,
+ ctx->src_fmt.height);
+
+ dst_dma = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
+ dst_size = vb2_plane_size(&dst_buf->vb2_buf, 0);
+
+ /*
+ * We assume here that 1/10 of the buffer is enough for headers.
+ * DCT partition will be placed in remaining 9/10 of the buffer.
+ */
+ ctx->vp8_enc.estimated_hdr_size = round_up(dst_size / 10, 8);
+
+ /* Destination buffer. */
+ /*
+ * We "abused" the first portion of this 1/10 of the buffer when generating
+ * the frame tag and compressed header, so TODO: verify that the 1/10 can hold both the
+ * compressed header and the "extended header" generated in hw.
+ */
+ vepu_write_relaxed(vpu, dst_dma + round_up(sw_hdr_size(ctx), 8),
+ VEPU_REG_ADDR_OUTPUT_STREAM);
+ vepu_write_relaxed(vpu, dst_dma + ctx->vp8_enc.estimated_hdr_size,
+ VEPU_REG_ADDR_VP8_DCT_PART(0));
+ vepu_write_relaxed(vpu, dst_size - ctx->vp8_enc.estimated_hdr_size,
+ VEPU_REG_STR_BUF_LIMIT);
+
+ /* Auxiliary buffers. */
+ vepu_write_relaxed(vpu, ctx->vp8_enc.ctrl_buf.dma,
+ VEPU_REG_ADDR_OUTPUT_CTRL);
+ memset(ctx->vp8_enc.ctrl_buf.cpu, 0, ctx->vp8_enc.ctrl_buf.size);
+ vepu_write_relaxed(vpu, ctx->vp8_enc.mv_buf.dma,
+ VEPU_REG_ADDR_MV_OUT);
+ vepu_write_relaxed(vpu, ctx->vp8_enc.priv_dst.dma,
+ VEPU_REG_ADDR_VP8_PROB_CNT);
+ memset(ctx->vp8_enc.priv_dst.cpu, 0, ctx->vp8_enc.priv_dst.size);
+ vepu_write_relaxed(vpu, ctx->vp8_enc.priv_src.dma,
+ VEPU_REG_ADDR_CABAC_TBL);
+
+ rockchip_vpu2_vp8_enc_write_entropy(ctx);
+
+ vepu_write_relaxed(vpu, ctx->vp8_enc.priv_src.dma + 151 * 8,
+ VEPU_REG_ADDR_VP8_SEG_MAP);
+
+ /* Reference buffers. */
+ switch (params->reference_type) {
+ case V4L2_VP8_FRAME_REF_LAST:
+ ref_idx = ctx->vp8_enc.last_ref;
+ break;
+ case V4L2_VP8_FRAME_REF_GOLDEN:
+ ref_idx = ctx->vp8_enc.golden_ref;
+ break;
+ case V4L2_VP8_FRAME_REF_ALT:
+ ref_idx = ctx->vp8_enc.alt_ref;
+ break;
+ }
+ if (ref_idx < 0)
+ ref_idx = 0;
+ vepu_write_relaxed(vpu, ctx->vp8_enc.ref_frames[ref_idx].dma, VEPU_REG_ADDR_REF_LUMA);
+ vepu_write_relaxed(vpu, ctx->vp8_enc.ref_frames[ref_idx].dma + luma_size,
+ VEPU_REG_ADDR_REF_CHROMA);
+
+ /* Reconstruction buffers. */
+ ctx->vp8_enc.reconstructed = ctx->vp8_enc.first_free;
+ vepu_write_relaxed(vpu, ctx->vp8_enc.ref_frames[ctx->vp8_enc.reconstructed].dma,
+ VEPU_REG_ADDR_REC_LUMA);
+ vepu_write_relaxed(vpu, ctx->vp8_enc.ref_frames[ctx->vp8_enc.reconstructed].dma + luma_size,
+ VEPU_REG_ADDR_REC_CHROMA);
+
+ /* Source buffer. */
+ for (i = 0; i < src_fmt->num_planes; ++i)
+ vepu_write_relaxed(vpu,
+ vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, i) +
+ src_buf->vb2_buf.planes[i].data_offset,
+ src_addr_regs[i]);
+
+ /* Source parameters. */
+ vepu_write_relaxed(vpu, enc_in_img_ctrl(ctx, qp),
+ VEPU_REG_ENC_OVER_FILL_STRM_OFFSET);
+}
+
+static inline uint32_t compute_filter_level(int32_t qp)
+{
+ return clamp((qp * 64) / 128 + 8, 0, 63);
+}
+
+static s32 cost_tree(struct tree *tree, const s32 *prob)
+{
+ s32 value = tree->value;
+ s32 number = tree->number;
+ s32 *index = tree->index;
+ s32 bit_cost = 0;
+
+ while (number--)
+ bit_cost += COST_BOOL(prob[*index++], (value >> number) & 1);
+
+ return bit_cost;
+}
+
+static s32 cost_mv(s32 mvd, const s32 *mv_prob)
+{
+ s32 i, tmp, bit_cost = 0;
+
+ tmp = abs(mvd >> 1);
+
+ /* Short Tree */
+ if (tmp < 8) {
+ bit_cost += COST_BOOL(mv_prob[0], 0);
+ bit_cost += cost_tree(&mv_tree[tmp], mv_prob + 2);
+ if (!tmp)
+ return bit_cost;
+
+ /* Sign */
+ bit_cost += COST_BOOL(mv_prob[1], mvd < 0);
+ return bit_cost;
+ }
+
+ /* Long Tree */
+ bit_cost += COST_BOOL(mv_prob[0], 1);
+
+ /* Bits 0, 1, 2 */
+ for (i = 0; i < 3; i++)
+ bit_cost += COST_BOOL(mv_prob[9 + i], (tmp >> i) & 1);
+
+ /* Bits 9, 8, 7, 6, 5, 4 */
+ for (i = 9; i > 3; i--)
+ bit_cost += COST_BOOL(mv_prob[9 + i], (tmp >> i) & 1);
+
+ /*
+ * Bit 3: if ABS(mvd) < 8, it is coded with short tree, so if here
+ * ABS(mvd) <= 15, bit 3 must be one (because here we code values
+ * 8,...,15) and is not explicitly coded.
+ */
+ if (tmp > 15)
+ bit_cost += COST_BOOL(mv_prob[9 + 3], (tmp >> 3) & 1);
+
+ /* Sign */
+ bit_cost += COST_BOOL(mv_prob[1], mvd < 0);
+
+ return bit_cost;
+}
+
+static void rockchip_vpu2_vp8_enc_set_params(struct hantro_dev *vpu, struct hantro_ctx *ctx, u32 qp,
+ struct v4l2_ctrl_vp8_encode_params *params)
+{
+ struct hantro_vp8_entropy *entropy = &ctx->vp8_enc.entropy;
+ int i;
+ unsigned int mb_width = MB_WIDTH(ctx->src_fmt.width);
+ unsigned int mb_height = MB_HEIGHT(ctx->src_fmt.height);
+ u32 deq;
+ u32 tmp;
+ u32 reg;
+ s32 inter_favor;
+
+ reg = VEPU_REG_OUTPUT_SWAP32
+ | VEPU_REG_OUTPUT_SWAP16
+ | VEPU_REG_OUTPUT_SWAP8
+ | VEPU_REG_INPUT_SWAP8
+ | VEPU_REG_INPUT_SWAP16
+ | VEPU_REG_INPUT_SWAP32;
+ vepu_write_relaxed(vpu, reg, VEPU_REG_DATA_ENDIAN);
+
+ reg = VEPU_REG_SIZE_TABLE_PRESENT
+ | VEPU_REG_IN_IMG_CTRL_FMT(ctx->vpu_src_fmt->enc_fmt)
+ | VEPU_REG_IN_IMG_ROTATE_MODE(0);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_ENC_CTRL1);
+
+ reg = VEPU_REG_INTERRUPT_TIMEOUT_EN
+ | VEPU_REG_MV_WRITE_EN;
+ vepu_write_relaxed(vpu, reg, VEPU_REG_INTERRUPT);
+
+ reg = VEPU_REG_IN_IMG_CHROMA_OFFSET(0)
+ | VEPU_REG_IN_IMG_LUMA_OFFSET(0)
+ | VEPU_REG_IN_IMG_CTRL_ROW_LEN(mb_width * 16);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_INPUT_LUMA_INFO);
+
+ vepu_write_relaxed(vpu, 0, VEPU_REG_STR_HDR_REM_MSB);
+ vepu_write_relaxed(vpu, 0, VEPU_REG_STR_HDR_REM_LSB);
+
+ reg = 0;
+ if (mb_width * mb_height > MAX_MB_COUNT_TO_DISABLE_QUARTER_PIXEL_MV)
+ reg = VEPU_REG_DISABLE_QUARTER_PIXEL_MV;
+ reg |= VEPU_REG_ENTROPY_CODING_MODE;
+ vepu_write_relaxed(vpu, reg, VEPU_REG_ENC_CTRL0);
+
+ inter_favor = 128 - ctx->vp8_enc.prob_intra;
+ if (inter_favor >= 0)
+ inter_favor = max(0, (int32_t)(qp * 2 - 40));
+
+ reg = VEPU_REG_INTRA16X16_MODE(qp * 1024 / 128)
+ | VEPU_REG_INTER_MODE(inter_favor);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_INTRA_INTER_MODE);
+
+ reg = VEPU_REG_1MV_PENALTY(60 / 2 * 32)
+ | VEPU_REG_QMV_PENALTY(8)
+ | VEPU_REG_4MV_PENALTY(64 / 2);
+ if (mb_width * mb_height < MAX_MB_COUNT_TO_DISABLE_SPLIT_MV)
+ reg |= VEPU_REG_SPLIT_MV_MODE_EN;
+ vepu_write_relaxed(vpu, reg, VEPU_REG_MV_PENALTY);
+
+ reg = VEPU_REG_MV_PENALTY_16X8_8X16(
+ min(1023, split_penalty[qp] / 2))
+ | VEPU_REG_MV_PENALTY_8X8(
+ min(1023, (2 * split_penalty[qp] + 40) / 4))
+ | VEPU_REG_MV_PENALTY_8X4_4X8(0x3ff);
+ /* no 8x4 or 4x8 block define in vp8 */
+ vepu_write_relaxed(vpu, reg, VEPU_REG_ENC_CTRL4);
+
+ reg = VEPU_REG_PENALTY_4X4MV(min(511,
+ (8 * split_penalty[qp] + 500) / 16))
+ | VEPU_REG_ZERO_MV_FAVOR_D2(0);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_MVC_RELATE);
+
+ /* initialize quant table for segment0 */
+ deq = dc_q_lookup[qp];
+ reg = VEPU_REG_VP8_SEG0_QUT_DC_Y1(min((1 << 16) / deq, 0x3FFFu));
+ reg |= VEPU_REG_VP8_SEG0_ZBIN_DC_Y1(((qzbin_factors[qp] * deq) + 64) >>
+ 7);
+ reg |= VEPU_REG_VP8_SEG0_RND_DC_Y1((qrounding_factors[qp] * deq) >> 7);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DC_Y1);
+
+ deq = ac_q_lookup[qp];
+ reg = VEPU_REG_VP8_SEG0_QUT_AC_Y1(min((1 << 16) / deq, 0x3FFFu));
+ reg |= VEPU_REG_VP8_SEG0_ZBIN_AC_Y1(((qzbin_factors[qp] * deq) + 64) >>
+ 7);
+ reg |= VEPU_REG_VP8_SEG0_RND_AC_Y1((qrounding_factors[qp] * deq) >> 7);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_AC_Y1);
+
+ deq = dc_q_lookup[qp] * 2;
+ reg = VEPU_REG_VP8_SEG0_QUT_DC_Y2(min((1 << 16) / deq, 0x3FFFu));
+ reg |= VEPU_REG_VP8_SEG0_ZBIN_DC_Y2((qzbin_factors[qp] * deq + 64) >>
+ 7);
+ reg |= VEPU_REG_VP8_SEG0_RND_DC_Y2((qrounding_factors[qp] * deq) >> 7);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DC_Y2);
+
+ deq = max(ac_q_lookup[qp] * 155 / 100, 8);
+ reg = VEPU_REG_VP8_SEG0_QUT_AC_Y2(min((1 << 16) / deq, 0x3FFFu));
+ reg |= VEPU_REG_VP8_SEG0_ZBIN_AC_Y2((qzbin_factors[qp] * deq + 64) >>
+ 7);
+ reg |= VEPU_REG_VP8_SEG0_RND_AC_Y2((qrounding_factors[qp] * deq) >> 7);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_AC_Y2);
+
+ deq = min(dc_q_lookup[qp], 132);
+ reg = VEPU_REG_VP8_SEG0_QUT_DC_CHR(min((1 << 16) / deq, 0x3FFFu));
+ reg |= VEPU_REG_VP8_SEG0_ZBIN_DC_CHR((qzbin_factors[qp] * deq + 64) >>
+ 7);
+ reg |= VEPU_REG_VP8_SEG0_RND_DC_CHR((qrounding_factors[qp] * deq) >> 7);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DC_CHR);
+
+ deq = ac_q_lookup[qp];
+ reg = VEPU_REG_VP8_SEG0_QUT_AC_CHR(min((1 << 16) / deq, 0x3FFFu));
+ reg |= VEPU_REG_VP8_SEG0_ZBIN_AC_CHR((qzbin_factors[qp] * deq + 64) >>
+ 7);
+ reg |= VEPU_REG_VP8_SEG0_RND_AC_CHR((qrounding_factors[qp] * deq) >> 7);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_AC_CHR);
+
+ reg = VEPU_REG_VP8_MV_REF_IDX1(params->reference_type);
+ reg |= VEPU_REG_VP8_SEG0_DQUT_DC_Y1(dc_q_lookup[qp]);
+ reg |= VEPU_REG_VP8_SEG0_DQUT_AC_Y1(ac_q_lookup[qp]);
+ reg |= VEPU_REG_VP8_SEG0_DQUT_DC_Y2(dc_q_lookup[qp] * 2);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DQUT);
+
+ reg = VEPU_REG_VP8_MV_REF_IDX2(0);
+ reg |= VEPU_REG_VP8_SEG0_DQUT_DC_CHR(min(dc_q_lookup[qp], 132));
+ reg |= VEPU_REG_VP8_SEG0_DQUT_AC_CHR(ac_q_lookup[qp]);
+ reg |= VEPU_REG_VP8_SEG0_DQUT_AC_Y2(max(ac_q_lookup[qp] * 155 / 100, 8));
+ if (is_intra(ctx))
+ reg |= VEPU_REG_VP8_SEGMENT_MAP_UPDATE;
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DQUT_1);
+ vepu_write_relaxed(vpu, ctx->vp8_enc.boolenc.bottom,
+ VEPU_REG_VP8_BOOL_ENC_VALUE);
+
+ reg = VEPU_REG_VP8_DCT_PARTITION_CNT(0);
+ reg |= VEPU_REG_VP8_FILTER_LEVEL(compute_filter_level(qp));
+ reg |= VEPU_REG_VP8_FILTER_SHARPNESS(params->sharpness_level);
+ reg |= VEPU_REG_VP8_ZERO_MV_PENALTY_FOR_REF2(0);
+ reg |= VEPU_REG_VP8_BOOL_ENC_VALUE_BITS(24 - ctx->vp8_enc.boolenc.bit_count);
+ reg |= VEPU_REG_VP8_BOOL_ENC_RANGE(ctx->vp8_enc.boolenc.range);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_ENC_CTRL2);
+
+ vepu_write_relaxed(vpu, 0xffffffff, VEPU_REG_ROI1);
+ vepu_write_relaxed(vpu, 0xffffffff, VEPU_REG_ROI2);
+ vepu_write_relaxed(vpu, 0, VEPU_REG_STABILIZATION_OUTPUT);
+ vepu_write_relaxed(vpu, 0x962b4c85, VEPU_REG_RGB2YUV_CONVERSION_COEF1);
+ vepu_write_relaxed(vpu, 0x90901d50, VEPU_REG_RGB2YUV_CONVERSION_COEF2);
+ vepu_write_relaxed(vpu, 0x0000b694, VEPU_REG_RGB2YUV_CONVERSION_COEF3);
+ vepu_write_relaxed(vpu, 0, VEPU_REG_RGB_MASK_MSB);
+ vepu_write_relaxed(vpu, 0, VEPU_REG_CIR_INTRA_CTRL);
+ vepu_write_relaxed(vpu, 0xffffffff, VEPU_REG_INTRA_AREA_CTRL);
+
+ /* Intra 4x4 mode */
+ tmp = qp * 2 + 8;
+ for (i = 0; i < 5; i++) {
+ reg = VEPU_REG_VP8_INTRA_4X4_PENALTY_0
+ ((intra_4_tree_penalty[i * 2] * tmp) >> 8);
+ reg |= VEPU_REG_VP8_INTRA_4x4_PENALTY_1
+ ((intra_4_tree_penalty[i * 2 + 1] * tmp) >> 8);
+ vepu_write_relaxed(vpu, reg,
+ VEPU_REG_VP8_INTRA_4X4_PENALTY(i));
+ }
+
+ /* Intra 16x16 mode */
+ tmp = qp * 2 + 64;
+ for (i = 0; i < 2; i++) {
+ reg = VEPU_REG_VP8_INTRA_16X16_PENALTY_0
+ ((intra_16_tree_penalty[2 * i] * tmp) >> 8);
+ reg |= VEPU_REG_VP8_INTRA_16X16_PENALTY_1
+ ((intra_16_tree_penalty[2 * i + 1] * tmp) >> 8);
+ vepu_write_relaxed(vpu, reg,
+ VEPU_REG_VP8_INTRA_16X16_PENALTY(i));
+ }
+
+ reg = VEPU_REG_VP8_LF_REF_DELTA_INTRA_MB(ctx->vp8_enc.ref_delta[REF_DELTA_INTRA_MB]);
+ reg |= VEPU_REG_VP8_LF_MODE_DELTA_BPRED(ctx->vp8_enc.mode_delta[MODE_DELTA_BPRED]);
+ reg |= VEPU_REG_VP8_INTER_TYPE_BIT_COST(0);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_CONTROL);
+
+ reg = VEPU_REG_VP8_LF_REF_DELTA_ALT_REF(ctx->vp8_enc.ref_delta[REF_DELTA_ALT_REF])
+ | VEPU_REG_VP8_LF_REF_DELTA_LAST_REF(ctx->vp8_enc.ref_delta[REF_DELTA_LAST_REF])
+ | VEPU_REG_VP8_LF_REF_DELTA_GOLDEN(ctx->vp8_enc.ref_delta[REF_DELTA_GOLDEN]);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_LOOP_FILTER_REF_DELTA);
+
+ reg = VEPU_REG_VP8_LF_MODE_DELTA_SPLITMV(ctx->vp8_enc.mode_delta[MODE_DELTA_SPLITMV])
+ | VEPU_REG_VP8_LF_MODE_DELTA_ZEROMV(ctx->vp8_enc.mode_delta[MODE_DELTA_ZEROMV])
+ | VEPU_REG_VP8_LF_MODE_DELTA_NEWMV(ctx->vp8_enc.mode_delta[MODE_DELTA_NEWMV]);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_LOOP_FILTER_MODE_DELTA);
+
+ for (i = 0; i < 128; i += 4) {
+ u32 x;
+ u32 y;
+
+ reg = VEPU_REG_DMV_PENALTY_TABLE_BIT(i * 2, 3);
+ reg |= VEPU_REG_DMV_PENALTY_TABLE_BIT((i + 1) * 2, 2);
+ reg |= VEPU_REG_DMV_PENALTY_TABLE_BIT((i + 2) * 2, 1);
+ reg |= VEPU_REG_DMV_PENALTY_TABLE_BIT((i + 3) * 2, 0);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_DMV_PENALTY_TBL(i / 4));
+
+ y = cost_mv(i * 2, entropy->mv_prob[0]); /* mv y */
+ x = cost_mv(i * 2, entropy->mv_prob[1]); /* mv x */
+
+ reg = VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
+ min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 3);
+
+ y = cost_mv((i + 1) * 2, entropy->mv_prob[0]); /* mv y */
+ x = cost_mv((i + 1) * 2, entropy->mv_prob[1]); /* mv x */
+ reg |= VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
+ min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 2);
+
+ y = cost_mv((i + 2) * 2, entropy->mv_prob[0]); /* mv y */
+ x = cost_mv((i + 2) * 2, entropy->mv_prob[1]); /* mv x */
+ reg |= VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
+ min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 1);
+
+ y = cost_mv((i + 3) * 2, entropy->mv_prob[0]); /* mv y */
+ x = cost_mv((i + 3) * 2, entropy->mv_prob[1]); /* mv x */
+ reg |= VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
+ min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 0);
+
+ vepu_write_relaxed(vpu, reg,
+ VEPU_REG_DMV_Q_PIXEL_PENALTY_TBL(i / 4));
+ }
+}
+
+int rockchip_vpu2_vp8_enc_run(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+ struct v4l2_ctrl_vp8_encode_params *params;
+ struct v4l2_ctrl *ctrl;
+ u32 reg, qp;
+ int i;
+
+ hantro_start_prepare_run(ctx);
+
+ params = hantro_get_ctrl(ctx, V4L2_CID_STATELESS_VP8_ENCODE_PARAMS);
+ if (WARN_ON(!params))
+ return -EINVAL;
+
+ if (params->flags & V4L2_VP8_FRAME_FLAG_SEGMENT_ENABLED)
+ return -EINVAL;
+
+ ctx->vp8_enc.is_intra = params->frame_type == V4L2_VP8_FRAME_TYPE_KEYFRAME;
+
+ if (is_intra(ctx)) {
+ if (params->loop_filter_level != 26)
+ return -EINVAL;
+ } else {
+ if (params->loop_filter_level != 12)
+ return -EINVAL;
+ }
+
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_handler, V4L2_CID_STATELESS_VP8_ENCODE_QP);
+ if (WARN_ON(!ctrl))
+ return -EINVAL;
+
+ ctx->vp8_enc.show_frame = params->flags & V4L2_VP8_FRAME_FLAG_SHOWFRAME;
+ ctx->vp8_enc.refresh_golden_frame = params->flags & V4L2_VP8_FRAME_FLAG_GOLDEN_REFRESH;
+ ctx->vp8_enc.refresh_alternate_frame = params->flags & V4L2_VP8_FRAME_FLAG_ALTREF_REFRESH;
+ ctx->vp8_enc.refresh_entropy_probs =
+ params->flags & V4L2_VP8_FRAME_FLAG_REFRESH_ENTROPY_PROBS;
+ ctx->vp8_enc.copy_buffer_to_golden = params->copy_buffer_to_golden;
+ ctx->vp8_enc.copy_buffer_to_alternate = params->copy_buffer_to_alternate;
+ ctx->vp8_enc.prob_intra = params->prob_intra;
+ ctx->vp8_enc.prob_last = params->prob_last;
+ ctx->vp8_enc.prob_gf = params->prob_gf;
+
+ rockchip_vpu2_vp8_enc_update_entropy(ctx);
+
+ qp = *ctrl->p_cur.p_s32;
+ ctx->vp8_enc.prob_skip_false = default_prob_skip_false[qp];
+ rockchip_vpu2_vp8_enc_write_header(ctx, qp, params);
+
+ /*
+ * Program the hardware.
+ */
+ vepu_write_relaxed(vpu, VEPU_REG_ENCODE_FORMAT_VP8, VEPU_REG_ENCODE_START);
+
+ rockchip_vpu2_vp8_enc_set_params(vpu, ctx, qp, params);
+ rockchip_vpu2_vp8_enc_set_buffers(vpu, ctx, qp, params);
+
+ reg = VEPU_REG_AXI_CTRL_READ_ID(0)
+ | VEPU_REG_AXI_CTRL_WRITE_ID(0)
+ | VEPU_REG_AXI_CTRL_BURST_LEN(16)
+ | VEPU_REG_AXI_CTRL_INCREMENT_MODE(0)
+ | VEPU_REG_AXI_CTRL_BIRST_DISCARD(0);
+ vepu_write_relaxed(vpu, reg, VEPU_REG_AXI_CTRL);
+
+ /* Start the hardware. */
+ reg = VEPU_REG_MB_HEIGHT(MB_HEIGHT(ctx->src_fmt.height))
+ | VEPU_REG_MB_WIDTH(MB_WIDTH(ctx->src_fmt.width))
+ | VEPU_REG_ENCODE_FORMAT_VP8
+ | VEPU_REG_ENCODE_ENABLE;
+
+ if (is_intra(ctx))
+ reg |= VEPU_REG_FRAME_TYPE_INTRA;
+ else
+ reg |= VEPU_REG_FRAME_TYPE_INTER;
+
+ /* Kick the watchdog and start encoding */
+ hantro_end_prepare_run(ctx);
+
+ for (i = 0; i < 184; ++i)
+ vepu_read(vpu, i * 4);
+
+ vepu_write(vpu, reg, VEPU_REG_ENCODE_START);
+
+ return 0;
+}
+
+void rockchip_vpu2_vp8_enc_done(struct hantro_ctx *ctx)
+{
+ struct vb2_v4l2_buffer *dst_buf;
+ struct hantro_vp8_enc_ctrl_buf *ctrl_buf = ctx->vp8_enc.ctrl_buf.cpu;
+ int part1_sz = ctx->vp8_enc.boolenc.bytes_written + ctrl_buf->hw_hdr_size;
+ void *dst = ctx->vp8_enc.frame_tag;
+ int old_g = ctx->vp8_enc.golden_ref, old_a = ctx->vp8_enc.alt_ref;
+ int i;
+
+ ctx->vp8_enc.frame_tag->tag[0] |= ((part1_sz << 5) & 0xff);
+ ctx->vp8_enc.frame_tag->tag[1] = ((part1_sz << 5) >> 8) & 0xff;
+ ctx->vp8_enc.frame_tag->tag[2] = ((part1_sz << 5) >> 16) & 0xff;
+
+ dst_buf = hantro_get_dst_buf(ctx);
+
+ /* assemble dst frame */
+ vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+ sw_hdr_size(ctx) + ctrl_buf->hw_hdr_size + ctrl_buf->dct_size);
+
+ memmove(dst + sw_hdr_size(ctx), dst + round_up(sw_hdr_size(ctx), 8), ctrl_buf->hw_hdr_size);
+ memmove(dst + sw_hdr_size(ctx) + ctrl_buf->hw_hdr_size,
+ dst + ctx->vp8_enc.estimated_hdr_size, ctrl_buf->dct_size);
+
+ /* currently reconstructed frame becames last ref */
+ hantro_vp8_clr_bit(&ctx->vp8_enc, VP8_BIT_LAST, ctx->vp8_enc.last_ref);
+ ctx->vp8_enc.last_ref = ctx->vp8_enc.reconstructed;
+ hantro_vp8_set_bit(&ctx->vp8_enc, VP8_BIT_LAST, ctx->vp8_enc.last_ref);
+
+ /* after update (potentially) new slots will be used */
+ hantro_vp8_clr_bit(&ctx->vp8_enc, VP8_BIT_GOLDEN, old_g);
+ hantro_vp8_clr_bit(&ctx->vp8_enc, VP8_BIT_ALT, old_a);
+
+ /* VP8 spec, section 9.7. Refresh Golden Frame and Altref Frame */
+ if (is_intra(ctx)) {
+ ctx->vp8_enc.golden_ref = ctx->vp8_enc.last_ref;
+ ctx->vp8_enc.alt_ref = ctx->vp8_enc.last_ref;
+ } else {
+ if (ctx->vp8_enc.refresh_golden_frame) {
+ ctx->vp8_enc.golden_ref = ctx->vp8_enc.last_ref;
+ } else if (ctx->vp8_enc.copy_buffer_to_golden) {
+ switch (ctx->vp8_enc.copy_buffer_to_golden) {
+ case V4L2_VP8_FRAME_GOLDEN_KEEP:
+ break;
+ case V4L2_VP8_FRAME_GOLDEN_LASTFRAME:
+ ctx->vp8_enc.golden_ref = ctx->vp8_enc.last_ref;
+ break;
+ case V4L2_VP8_FRAME_GOLDEN_ALTREF:
+ ctx->vp8_enc.golden_ref = old_a;
+ break;
+ }
+ }
+
+ if (ctx->vp8_enc.refresh_alternate_frame) {
+ ctx->vp8_enc.alt_ref = ctx->vp8_enc.last_ref;
+ } else if (ctx->vp8_enc.copy_buffer_to_alternate) {
+ switch (ctx->vp8_enc.copy_buffer_to_alternate) {
+ case V4L2_VP8_FRAME_ALTREF_KEEP:
+ break;
+ case V4L2_VP8_FRAME_ALTREF_LASTFRAME:
+ ctx->vp8_enc.alt_ref = ctx->vp8_enc.last_ref;
+ break;
+ case V4L2_VP8_FRAME_ALTREF_GOLDEN:
+ ctx->vp8_enc.alt_ref = old_g;
+ break;
+ }
+ }
+ }
+
+ /* mark updated golden and alt slots used */
+ hantro_vp8_set_bit(&ctx->vp8_enc, VP8_BIT_GOLDEN, ctx->vp8_enc.golden_ref);
+ hantro_vp8_set_bit(&ctx->vp8_enc, VP8_BIT_ALT, ctx->vp8_enc.alt_ref);
+
+ /* find first free slot after updates */
+ for (i = 0; i < ARRAY_SIZE(ctx->vp8_enc.ref_bitmaps); ++i)
+ if (!ctx->vp8_enc.ref_bitmaps[i]) {
+ ctx->vp8_enc.first_free = i;
+ break;
+ }
+ WARN_ON(i >= 4);
+
+ ctx->vp8_enc.last_intra = is_intra(ctx);
+ ++ctx->vp8_enc.frame_counter;
+}
diff --git a/drivers/media/platform/verisilicon/rockchip_vpu2_regs.h b/drivers/media/platform/verisilicon/rockchip_vpu2_regs.h
index 49e40889545b..b68882965770 100644
--- a/drivers/media/platform/verisilicon/rockchip_vpu2_regs.h
+++ b/drivers/media/platform/verisilicon/rockchip_vpu2_regs.h
@@ -258,6 +258,7 @@
#define VEPU_REG_FRAME_TYPE_INTER (0x0 << 6)
#define VEPU_REG_FRAME_TYPE_INTRA (0x1 << 6)
#define VEPU_REG_FRAME_TYPE_MVCINTER (0x2 << 6)
+#define VEPU_REG_ENCODE_FORMAT_VP8 (0x1 << 4) /* undocumented */
#define VEPU_REG_ENCODE_FORMAT_JPEG (0x2 << 4)
#define VEPU_REG_ENCODE_FORMAT_H264 (0x3 << 4)
#define VEPU_REG_ENCODE_ENABLE BIT(0)
diff --git a/drivers/media/platform/verisilicon/rockchip_vpu_hw.c b/drivers/media/platform/verisilicon/rockchip_vpu_hw.c
index 816ffa905a4b..794fda950e9f 100644
--- a/drivers/media/platform/verisilicon/rockchip_vpu_hw.c
+++ b/drivers/media/platform/verisilicon/rockchip_vpu_hw.c
@@ -60,6 +60,19 @@ static const struct hantro_fmt rockchip_vpu_enc_fmts[] = {
.step_height = MB_DIM,
},
},
+ {
+ .fourcc = V4L2_PIX_FMT_VP8_FRAME,
+ .codec_mode = HANTRO_MODE_VP8_ENC,
+ .max_depth = 2,
+ .frmsize = {
+ .min_width = 96,
+ .max_width = 1920,
+ .step_width = MB_DIM,
+ .min_height = 96,
+ .max_height = 1088,
+ .step_height = MB_DIM,
+ },
+ },
};
static const struct hantro_fmt rockchip_vpu1_postproc_fmts[] = {
@@ -452,6 +465,7 @@ static int rockchip_vpu_hw_init(struct hantro_dev *vpu)
{
/* Bump ACLK to max. possible freq. to improve performance. */
clk_set_rate(vpu->clocks[0].clk, RK3288_ACLK_MAX_FREQ);
+
return 0;
}
@@ -590,6 +604,13 @@ static const struct hantro_codec_ops rk3399_vpu_codec_ops[] = {
.init = hantro_vp8_dec_init,
.exit = hantro_vp8_dec_exit,
},
+ [HANTRO_MODE_VP8_ENC] = {
+ .run = rockchip_vpu2_vp8_enc_run,
+ .reset = rockchip_vpu2_enc_reset,
+ .init = hantro_vp8_enc_init,
+ .done = rockchip_vpu2_vp8_enc_done,
+ .exit = hantro_vp8_enc_exit,
+ },
};
static const struct hantro_codec_ops rk3568_vepu_codec_ops[] = {
@@ -744,7 +765,7 @@ const struct hantro_variant rk3399_vpu_variant = {
.dec_fmts = rk3399_vpu_dec_fmts,
.num_dec_fmts = ARRAY_SIZE(rk3399_vpu_dec_fmts),
.codec = HANTRO_JPEG_ENCODER | HANTRO_MPEG2_DECODER |
- HANTRO_VP8_DECODER,
+ HANTRO_VP8_DECODER | HANTRO_VP8_ENCODER,
.codec_ops = rk3399_vpu_codec_ops,
.irqs = rockchip_vpu2_irqs,
.num_irqs = ARRAY_SIZE(rockchip_vpu2_irqs),
--
2.25.1
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