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Subject[PATCH v7 07/11] media: rkvdec: Add the VP9 backend
Date
From: Boris Brezillon <boris.brezillon@collabora.com>

The Rockchip VDEC supports VP9 profile 0 up to 4096x2304@30fps. Add
a backend for this new format.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Co-developed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
---
drivers/staging/media/rkvdec/Kconfig | 1 +
drivers/staging/media/rkvdec/Makefile | 2 +-
drivers/staging/media/rkvdec/rkvdec-vp9.c | 1078 +++++++++++++++++++++
drivers/staging/media/rkvdec/rkvdec.c | 52 +-
drivers/staging/media/rkvdec/rkvdec.h | 12 +-
5 files changed, 1137 insertions(+), 8 deletions(-)
create mode 100644 drivers/staging/media/rkvdec/rkvdec-vp9.c

diff --git a/drivers/staging/media/rkvdec/Kconfig b/drivers/staging/media/rkvdec/Kconfig
index c02199b5e0fd..dc7292f346fa 100644
--- a/drivers/staging/media/rkvdec/Kconfig
+++ b/drivers/staging/media/rkvdec/Kconfig
@@ -9,6 +9,7 @@ config VIDEO_ROCKCHIP_VDEC
select VIDEOBUF2_VMALLOC
select V4L2_MEM2MEM_DEV
select V4L2_H264
+ select V4L2_VP9
help
Support for the Rockchip Video Decoder IP present on Rockchip SoCs,
which accelerates video decoding.
diff --git a/drivers/staging/media/rkvdec/Makefile b/drivers/staging/media/rkvdec/Makefile
index c08fed0a39f9..cb86b429cfaa 100644
--- a/drivers/staging/media/rkvdec/Makefile
+++ b/drivers/staging/media/rkvdec/Makefile
@@ -1,3 +1,3 @@
obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC) += rockchip-vdec.o

-rockchip-vdec-y += rkvdec.o rkvdec-h264.o
+rockchip-vdec-y += rkvdec.o rkvdec-h264.o rkvdec-vp9.o
diff --git a/drivers/staging/media/rkvdec/rkvdec-vp9.c b/drivers/staging/media/rkvdec/rkvdec-vp9.c
new file mode 100644
index 000000000000..ca463f18651a
--- /dev/null
+++ b/drivers/staging/media/rkvdec/rkvdec-vp9.c
@@ -0,0 +1,1078 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip Video Decoder VP9 backend
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ * Boris Brezillon <boris.brezillon@collabora.com>
+ * Copyright (C) 2021 Collabora, Ltd.
+ * Andrzej Pietrasiewicz <andrzej.p@collabora.com>
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
+ * Alpha Lin <Alpha.Lin@rock-chips.com>
+ */
+
+/*
+ * For following the vp9 spec please start reading this driver
+ * code from rkvdec_vp9_run() followed by rkvdec_vp9_done().
+ */
+
+#include <linux/kernel.h>
+#include <linux/vmalloc.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/v4l2-vp9.h>
+
+#include "rkvdec.h"
+#include "rkvdec-regs.h"
+
+#define RKVDEC_VP9_PROBE_SIZE 4864
+#define RKVDEC_VP9_COUNT_SIZE 13232
+#define RKVDEC_VP9_MAX_SEGMAP_SIZE 73728
+
+struct rkvdec_vp9_intra_mode_probs {
+ u8 y_mode[105];
+ u8 uv_mode[23];
+};
+
+struct rkvdec_vp9_intra_only_frame_probs {
+ u8 coef_intra[4][2][128];
+ struct rkvdec_vp9_intra_mode_probs intra_mode[10];
+};
+
+struct rkvdec_vp9_inter_frame_probs {
+ u8 y_mode[4][9];
+ u8 comp_mode[5];
+ u8 comp_ref[5];
+ u8 single_ref[5][2];
+ u8 inter_mode[7][3];
+ u8 interp_filter[4][2];
+ u8 padding0[11];
+ u8 coef[2][4][2][128];
+ u8 uv_mode_0_2[3][9];
+ u8 padding1[5];
+ u8 uv_mode_3_5[3][9];
+ u8 padding2[5];
+ u8 uv_mode_6_8[3][9];
+ u8 padding3[5];
+ u8 uv_mode_9[9];
+ u8 padding4[7];
+ u8 padding5[16];
+ struct {
+ u8 joint[3];
+ u8 sign[2];
+ u8 classes[2][10];
+ u8 class0_bit[2];
+ u8 bits[2][10];
+ u8 class0_fr[2][2][3];
+ u8 fr[2][3];
+ u8 class0_hp[2];
+ u8 hp[2];
+ } mv;
+};
+
+struct rkvdec_vp9_probs {
+ u8 partition[16][3];
+ u8 pred[3];
+ u8 tree[7];
+ u8 skip[3];
+ u8 tx32[2][3];
+ u8 tx16[2][2];
+ u8 tx8[2][1];
+ u8 is_inter[4];
+ /* 128 bit alignment */
+ u8 padding0[3];
+ union {
+ struct rkvdec_vp9_inter_frame_probs inter;
+ struct rkvdec_vp9_intra_only_frame_probs intra_only;
+ };
+};
+
+/* Data structure describing auxiliary buffer format. */
+struct rkvdec_vp9_priv_tbl {
+ struct rkvdec_vp9_probs probs;
+ u8 segmap[2][RKVDEC_VP9_MAX_SEGMAP_SIZE];
+};
+
+struct rkvdec_vp9_refs_counts {
+ u32 eob[2];
+ u32 coeff[3];
+};
+
+struct rkvdec_vp9_inter_frame_symbol_counts {
+ u32 partition[16][4];
+ u32 skip[3][2];
+ u32 inter[4][2];
+ u32 tx32p[2][4];
+ u32 tx16p[2][4];
+ u32 tx8p[2][2];
+ u32 y_mode[4][10];
+ u32 uv_mode[10][10];
+ u32 comp[5][2];
+ u32 comp_ref[5][2];
+ u32 single_ref[5][2][2];
+ u32 mv_mode[7][4];
+ u32 filter[4][3];
+ u32 mv_joint[4];
+ u32 sign[2][2];
+ /* add 1 element for align */
+ u32 classes[2][11 + 1];
+ u32 class0[2][2];
+ u32 bits[2][10][2];
+ u32 class0_fp[2][2][4];
+ u32 fp[2][4];
+ u32 class0_hp[2][2];
+ u32 hp[2][2];
+ struct rkvdec_vp9_refs_counts ref_cnt[2][4][2][6][6];
+};
+
+struct rkvdec_vp9_intra_frame_symbol_counts {
+ u32 partition[4][4][4];
+ u32 skip[3][2];
+ u32 intra[4][2];
+ u32 tx32p[2][4];
+ u32 tx16p[2][4];
+ u32 tx8p[2][2];
+ struct rkvdec_vp9_refs_counts ref_cnt[2][4][2][6][6];
+};
+
+struct rkvdec_vp9_run {
+ struct rkvdec_run base;
+ const struct v4l2_ctrl_vp9_frame *decode_params;
+};
+
+struct rkvdec_vp9_frame_info {
+ u32 valid : 1;
+ u32 segmapid : 1;
+ u32 frame_context_idx : 2;
+ u32 reference_mode : 2;
+ u32 tx_mode : 3;
+ u32 interpolation_filter : 3;
+ u32 flags;
+ u64 timestamp;
+ struct v4l2_vp9_segmentation seg;
+ struct v4l2_vp9_loop_filter lf;
+};
+
+struct rkvdec_vp9_ctx {
+ struct rkvdec_aux_buf priv_tbl;
+ struct rkvdec_aux_buf count_tbl;
+ struct v4l2_vp9_frame_symbol_counts inter_cnts;
+ struct v4l2_vp9_frame_symbol_counts intra_cnts;
+ struct v4l2_vp9_frame_context probability_tables;
+ struct v4l2_vp9_frame_context frame_context[4];
+ struct rkvdec_vp9_frame_info cur;
+ struct rkvdec_vp9_frame_info last;
+};
+
+static void write_coeff_plane(const u8 coef[6][6][3], u8 *coeff_plane)
+{
+ unsigned int idx = 0, byte_count = 0;
+ int k, m, n;
+ u8 p;
+
+ for (k = 0; k < 6; k++) {
+ for (m = 0; m < 6; m++) {
+ for (n = 0; n < 3; n++) {
+ p = coef[k][m][n];
+ coeff_plane[idx++] = p;
+ byte_count++;
+ if (byte_count == 27) {
+ idx += 5;
+ byte_count = 0;
+ }
+ }
+ }
+ }
+}
+
+static void init_intra_only_probs(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame *dec_params;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
+ struct rkvdec_vp9_intra_only_frame_probs *rkprobs;
+ const struct v4l2_vp9_frame_context *probs;
+ unsigned int i, j, k, m;
+
+ rkprobs = &tbl->probs.intra_only;
+ dec_params = run->decode_params;
+ probs = &vp9_ctx->probability_tables;
+
+ /*
+ * intra only 149 x 128 bits ,aligned to 152 x 128 bits coeff related
+ * prob 64 x 128 bits
+ */
+ for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
+ for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++)
+ write_coeff_plane(probs->coef[i][j][0],
+ rkprobs->coef_intra[i][j]);
+ }
+
+ /* intra mode prob 80 x 128 bits */
+ for (i = 0; i < ARRAY_SIZE(v4l2_vp9_kf_y_mode_prob); i++) {
+ unsigned int byte_count = 0;
+ int idx = 0;
+
+ /* vp9_kf_y_mode_prob */
+ for (j = 0; j < ARRAY_SIZE(v4l2_vp9_kf_y_mode_prob[0]); j++) {
+ for (k = 0; k < ARRAY_SIZE(v4l2_vp9_kf_y_mode_prob[0][0]);
+ k++) {
+ u8 val = v4l2_vp9_kf_y_mode_prob[i][j][k];
+
+ rkprobs->intra_mode[i].y_mode[idx++] = val;
+ byte_count++;
+ if (byte_count == 27) {
+ byte_count = 0;
+ idx += 5;
+ }
+ }
+ }
+
+ idx = 0;
+ if (i < 4) {
+ for (m = 0; m < (i < 3 ? 23 : 21); m++) {
+ const u8 *ptr = (const u8 *)v4l2_vp9_kf_uv_mode_prob;
+
+ rkprobs->intra_mode[i].uv_mode[idx++] = ptr[i * 23 + m];
+ }
+ }
+ }
+}
+
+static void init_inter_probs(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame *dec_params;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
+ struct rkvdec_vp9_inter_frame_probs *rkprobs;
+ const struct v4l2_vp9_frame_context *probs;
+ unsigned int i, j, k;
+
+ rkprobs = &tbl->probs.inter;
+ dec_params = run->decode_params;
+ probs = &vp9_ctx->probability_tables;
+
+ /*
+ * inter probs
+ * 151 x 128 bits, aligned to 152 x 128 bits
+ * inter only
+ * intra_y_mode & inter_block info 6 x 128 bits
+ */
+
+ memcpy(rkprobs->y_mode, probs->y_mode, sizeof(rkprobs->y_mode));
+ memcpy(rkprobs->comp_mode, probs->comp_mode,
+ sizeof(rkprobs->comp_mode));
+ memcpy(rkprobs->comp_ref, probs->comp_ref,
+ sizeof(rkprobs->comp_ref));
+ memcpy(rkprobs->single_ref, probs->single_ref,
+ sizeof(rkprobs->single_ref));
+ memcpy(rkprobs->inter_mode, probs->inter_mode,
+ sizeof(rkprobs->inter_mode));
+ memcpy(rkprobs->interp_filter, probs->interp_filter,
+ sizeof(rkprobs->interp_filter));
+
+ /* 128 x 128 bits coeff related */
+ for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
+ for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++) {
+ for (k = 0; k < ARRAY_SIZE(probs->coef[0][0]); k++)
+ write_coeff_plane(probs->coef[i][j][k],
+ rkprobs->coef[k][i][j]);
+ }
+ }
+
+ /* intra uv mode 6 x 128 */
+ memcpy(rkprobs->uv_mode_0_2, &probs->uv_mode[0],
+ sizeof(rkprobs->uv_mode_0_2));
+ memcpy(rkprobs->uv_mode_3_5, &probs->uv_mode[3],
+ sizeof(rkprobs->uv_mode_3_5));
+ memcpy(rkprobs->uv_mode_6_8, &probs->uv_mode[6],
+ sizeof(rkprobs->uv_mode_6_8));
+ memcpy(rkprobs->uv_mode_9, &probs->uv_mode[9],
+ sizeof(rkprobs->uv_mode_9));
+
+ /* mv related 6 x 128 */
+ memcpy(rkprobs->mv.joint, probs->mv.joint,
+ sizeof(rkprobs->mv.joint));
+ memcpy(rkprobs->mv.sign, probs->mv.sign,
+ sizeof(rkprobs->mv.sign));
+ memcpy(rkprobs->mv.classes, probs->mv.classes,
+ sizeof(rkprobs->mv.classes));
+ memcpy(rkprobs->mv.class0_bit, probs->mv.class0_bit,
+ sizeof(rkprobs->mv.class0_bit));
+ memcpy(rkprobs->mv.bits, probs->mv.bits,
+ sizeof(rkprobs->mv.bits));
+ memcpy(rkprobs->mv.class0_fr, probs->mv.class0_fr,
+ sizeof(rkprobs->mv.class0_fr));
+ memcpy(rkprobs->mv.fr, probs->mv.fr,
+ sizeof(rkprobs->mv.fr));
+ memcpy(rkprobs->mv.class0_hp, probs->mv.class0_hp,
+ sizeof(rkprobs->mv.class0_hp));
+ memcpy(rkprobs->mv.hp, probs->mv.hp,
+ sizeof(rkprobs->mv.hp));
+}
+
+static void init_probs(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame *dec_params;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
+ struct rkvdec_vp9_probs *rkprobs = &tbl->probs;
+ const struct v4l2_vp9_segmentation *seg;
+ const struct v4l2_vp9_frame_context *probs;
+ bool intra_only;
+
+ dec_params = run->decode_params;
+ probs = &vp9_ctx->probability_tables;
+ seg = &dec_params->seg;
+
+ memset(rkprobs, 0, sizeof(*rkprobs));
+
+ intra_only = !!(dec_params->flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
+
+ /* sb info 5 x 128 bit */
+ memcpy(rkprobs->partition,
+ intra_only ? v4l2_vp9_kf_partition_probs : probs->partition,
+ sizeof(rkprobs->partition));
+
+ memcpy(rkprobs->pred, seg->pred_probs, sizeof(rkprobs->pred));
+ memcpy(rkprobs->tree, seg->tree_probs, sizeof(rkprobs->tree));
+ memcpy(rkprobs->skip, probs->skip, sizeof(rkprobs->skip));
+ memcpy(rkprobs->tx32, probs->tx32, sizeof(rkprobs->tx32));
+ memcpy(rkprobs->tx16, probs->tx16, sizeof(rkprobs->tx16));
+ memcpy(rkprobs->tx8, probs->tx8, sizeof(rkprobs->tx8));
+ memcpy(rkprobs->is_inter, probs->is_inter, sizeof(rkprobs->is_inter));
+
+ if (intra_only)
+ init_intra_only_probs(ctx, run);
+ else
+ init_inter_probs(ctx, run);
+}
+
+struct rkvdec_vp9_ref_reg {
+ u32 reg_frm_size;
+ u32 reg_hor_stride;
+ u32 reg_y_stride;
+ u32 reg_yuv_stride;
+ u32 reg_ref_base;
+};
+
+static struct rkvdec_vp9_ref_reg ref_regs[] = {
+ {
+ .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(0),
+ .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(0),
+ .reg_y_stride = RKVDEC_VP9_LAST_FRAME_YSTRIDE,
+ .reg_yuv_stride = RKVDEC_VP9_LAST_FRAME_YUVSTRIDE,
+ .reg_ref_base = RKVDEC_REG_VP9_LAST_FRAME_BASE,
+ },
+ {
+ .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(1),
+ .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(1),
+ .reg_y_stride = RKVDEC_VP9_GOLDEN_FRAME_YSTRIDE,
+ .reg_yuv_stride = 0,
+ .reg_ref_base = RKVDEC_REG_VP9_GOLDEN_FRAME_BASE,
+ },
+ {
+ .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(2),
+ .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(2),
+ .reg_y_stride = RKVDEC_VP9_ALTREF_FRAME_YSTRIDE,
+ .reg_yuv_stride = 0,
+ .reg_ref_base = RKVDEC_REG_VP9_ALTREF_FRAME_BASE,
+ }
+};
+
+static struct rkvdec_decoded_buffer *
+get_ref_buf(struct rkvdec_ctx *ctx, struct vb2_v4l2_buffer *dst, u64 timestamp)
+{
+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
+ struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
+ int buf_idx;
+
+ /*
+ * If a ref is unused or invalid, address of current destination
+ * buffer is returned.
+ */
+ buf_idx = vb2_find_timestamp(cap_q, timestamp, 0);
+ if (buf_idx < 0)
+ return vb2_to_rkvdec_decoded_buf(&dst->vb2_buf);
+
+ return vb2_to_rkvdec_decoded_buf(vb2_get_buffer(cap_q, buf_idx));
+}
+
+static dma_addr_t get_mv_base_addr(struct rkvdec_decoded_buffer *buf)
+{
+ unsigned int aligned_pitch, aligned_height, yuv_len;
+
+ aligned_height = round_up(buf->vp9.height, 64);
+ aligned_pitch = round_up(buf->vp9.width * buf->vp9.bit_depth, 512) / 8;
+ yuv_len = (aligned_height * aligned_pitch * 3) / 2;
+
+ return vb2_dma_contig_plane_dma_addr(&buf->base.vb.vb2_buf, 0) +
+ yuv_len;
+}
+
+static void config_ref_registers(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run,
+ struct rkvdec_decoded_buffer *ref_buf,
+ struct rkvdec_vp9_ref_reg *ref_reg)
+{
+ unsigned int aligned_pitch, aligned_height, y_len, yuv_len;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+
+ aligned_height = round_up(ref_buf->vp9.height, 64);
+ writel_relaxed(RKVDEC_VP9_FRAMEWIDTH(ref_buf->vp9.width) |
+ RKVDEC_VP9_FRAMEHEIGHT(ref_buf->vp9.height),
+ rkvdec->regs + ref_reg->reg_frm_size);
+
+ writel_relaxed(vb2_dma_contig_plane_dma_addr(&ref_buf->base.vb.vb2_buf, 0),
+ rkvdec->regs + ref_reg->reg_ref_base);
+
+ if (&ref_buf->base.vb == run->base.bufs.dst)
+ return;
+
+ aligned_pitch = round_up(ref_buf->vp9.width * ref_buf->vp9.bit_depth, 512) / 8;
+ y_len = aligned_height * aligned_pitch;
+ yuv_len = (y_len * 3) / 2;
+
+ writel_relaxed(RKVDEC_HOR_Y_VIRSTRIDE(aligned_pitch / 16) |
+ RKVDEC_HOR_UV_VIRSTRIDE(aligned_pitch / 16),
+ rkvdec->regs + ref_reg->reg_hor_stride);
+ writel_relaxed(RKVDEC_VP9_REF_YSTRIDE(y_len / 16),
+ rkvdec->regs + ref_reg->reg_y_stride);
+
+ if (!ref_reg->reg_yuv_stride)
+ return;
+
+ writel_relaxed(RKVDEC_VP9_REF_YUVSTRIDE(yuv_len / 16),
+ rkvdec->regs + ref_reg->reg_yuv_stride);
+}
+
+static void config_seg_registers(struct rkvdec_ctx *ctx, unsigned int segid)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ const struct v4l2_vp9_segmentation *seg;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ s16 feature_val;
+ int feature_id;
+ u32 val = 0;
+
+ seg = vp9_ctx->last.valid ? &vp9_ctx->last.seg : &vp9_ctx->cur.seg;
+ feature_id = V4L2_VP9_SEG_LVL_ALT_Q;
+ if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid)) {
+ feature_val = seg->feature_data[segid][feature_id];
+ val |= RKVDEC_SEGID_FRAME_QP_DELTA_EN(1) |
+ RKVDEC_SEGID_FRAME_QP_DELTA(feature_val);
+ }
+
+ feature_id = V4L2_VP9_SEG_LVL_ALT_L;
+ if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid)) {
+ feature_val = seg->feature_data[segid][feature_id];
+ val |= RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE_EN(1) |
+ RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE(feature_val);
+ }
+
+ feature_id = V4L2_VP9_SEG_LVL_REF_FRAME;
+ if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid)) {
+ feature_val = seg->feature_data[segid][feature_id];
+ val |= RKVDEC_SEGID_REFERINFO_EN(1) |
+ RKVDEC_SEGID_REFERINFO(feature_val);
+ }
+
+ feature_id = V4L2_VP9_SEG_LVL_SKIP;
+ if (v4l2_vp9_seg_feat_enabled(seg->feature_enabled, feature_id, segid))
+ val |= RKVDEC_SEGID_FRAME_SKIP_EN(1);
+
+ if (!segid &&
+ (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE))
+ val |= RKVDEC_SEGID_ABS_DELTA(1);
+
+ writel_relaxed(val, rkvdec->regs + RKVDEC_VP9_SEGID_GRP(segid));
+}
+
+static void update_dec_buf_info(struct rkvdec_decoded_buffer *buf,
+ const struct v4l2_ctrl_vp9_frame *dec_params)
+{
+ buf->vp9.width = dec_params->frame_width_minus_1 + 1;
+ buf->vp9.height = dec_params->frame_height_minus_1 + 1;
+ buf->vp9.bit_depth = dec_params->bit_depth;
+}
+
+static void update_ctx_cur_info(struct rkvdec_vp9_ctx *vp9_ctx,
+ struct rkvdec_decoded_buffer *buf,
+ const struct v4l2_ctrl_vp9_frame *dec_params)
+{
+ vp9_ctx->cur.valid = true;
+ vp9_ctx->cur.reference_mode = dec_params->reference_mode;
+ vp9_ctx->cur.interpolation_filter = dec_params->interpolation_filter;
+ vp9_ctx->cur.flags = dec_params->flags;
+ vp9_ctx->cur.timestamp = buf->base.vb.vb2_buf.timestamp;
+ vp9_ctx->cur.seg = dec_params->seg;
+ vp9_ctx->cur.lf = dec_params->lf;
+}
+
+static void update_ctx_last_info(struct rkvdec_vp9_ctx *vp9_ctx)
+{
+ vp9_ctx->last = vp9_ctx->cur;
+}
+
+static void config_registers(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ unsigned int y_len, uv_len, yuv_len, bit_depth, aligned_height, aligned_pitch, stream_len;
+ const struct v4l2_ctrl_vp9_frame *dec_params;
+ struct rkvdec_decoded_buffer *ref_bufs[3];
+ struct rkvdec_decoded_buffer *dst, *last, *mv_ref;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ u32 val, last_frame_info = 0;
+ const struct v4l2_vp9_segmentation *seg;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ dma_addr_t addr;
+ bool intra_only;
+ unsigned int i;
+
+ dec_params = run->decode_params;
+ dst = vb2_to_rkvdec_decoded_buf(&run->base.bufs.dst->vb2_buf);
+ ref_bufs[0] = get_ref_buf(ctx, &dst->base.vb, dec_params->last_frame_ts);
+ ref_bufs[1] = get_ref_buf(ctx, &dst->base.vb, dec_params->golden_frame_ts);
+ ref_bufs[2] = get_ref_buf(ctx, &dst->base.vb, dec_params->alt_frame_ts);
+
+ if (vp9_ctx->last.valid)
+ last = get_ref_buf(ctx, &dst->base.vb, vp9_ctx->last.timestamp);
+ else
+ last = dst;
+
+ update_dec_buf_info(dst, dec_params);
+ update_ctx_cur_info(vp9_ctx, dst, dec_params);
+ seg = &dec_params->seg;
+
+ intra_only = !!(dec_params->flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
+
+ writel_relaxed(RKVDEC_MODE(RKVDEC_MODE_VP9),
+ rkvdec->regs + RKVDEC_REG_SYSCTRL);
+
+ bit_depth = dec_params->bit_depth;
+ aligned_height = round_up(ctx->decoded_fmt.fmt.pix_mp.height, 64);
+
+ aligned_pitch = round_up(ctx->decoded_fmt.fmt.pix_mp.width *
+ bit_depth,
+ 512) / 8;
+ y_len = aligned_height * aligned_pitch;
+ uv_len = y_len / 2;
+ yuv_len = y_len + uv_len;
+
+ writel_relaxed(RKVDEC_Y_HOR_VIRSTRIDE(aligned_pitch / 16) |
+ RKVDEC_UV_HOR_VIRSTRIDE(aligned_pitch / 16),
+ rkvdec->regs + RKVDEC_REG_PICPAR);
+ writel_relaxed(RKVDEC_Y_VIRSTRIDE(y_len / 16),
+ rkvdec->regs + RKVDEC_REG_Y_VIRSTRIDE);
+ writel_relaxed(RKVDEC_YUV_VIRSTRIDE(yuv_len / 16),
+ rkvdec->regs + RKVDEC_REG_YUV_VIRSTRIDE);
+
+ stream_len = vb2_get_plane_payload(&run->base.bufs.src->vb2_buf, 0);
+ writel_relaxed(RKVDEC_STRM_LEN(stream_len),
+ rkvdec->regs + RKVDEC_REG_STRM_LEN);
+
+ /*
+ * Reset count buffer, because decoder only output intra related syntax
+ * counts when decoding intra frame, but update entropy need to update
+ * all the probabilities.
+ */
+ if (intra_only)
+ memset(vp9_ctx->count_tbl.cpu, 0, vp9_ctx->count_tbl.size);
+
+ vp9_ctx->cur.segmapid = vp9_ctx->last.segmapid;
+ if (!intra_only &&
+ !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
+ (!(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED) ||
+ (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP)))
+ vp9_ctx->cur.segmapid++;
+
+ for (i = 0; i < ARRAY_SIZE(ref_bufs); i++)
+ config_ref_registers(ctx, run, ref_bufs[i], &ref_regs[i]);
+
+ for (i = 0; i < 8; i++)
+ config_seg_registers(ctx, i);
+
+ writel_relaxed(RKVDEC_VP9_TX_MODE(vp9_ctx->cur.tx_mode) |
+ RKVDEC_VP9_FRAME_REF_MODE(dec_params->reference_mode),
+ rkvdec->regs + RKVDEC_VP9_CPRHEADER_CONFIG);
+
+ if (!intra_only) {
+ const struct v4l2_vp9_loop_filter *lf;
+ s8 delta;
+
+ if (vp9_ctx->last.valid)
+ lf = &vp9_ctx->last.lf;
+ else
+ lf = &vp9_ctx->cur.lf;
+
+ val = 0;
+ for (i = 0; i < ARRAY_SIZE(lf->ref_deltas); i++) {
+ delta = lf->ref_deltas[i];
+ val |= RKVDEC_REF_DELTAS_LASTFRAME(i, delta);
+ }
+
+ writel_relaxed(val,
+ rkvdec->regs + RKVDEC_VP9_REF_DELTAS_LASTFRAME);
+
+ for (i = 0; i < ARRAY_SIZE(lf->mode_deltas); i++) {
+ delta = lf->mode_deltas[i];
+ last_frame_info |= RKVDEC_MODE_DELTAS_LASTFRAME(i,
+ delta);
+ }
+ }
+
+ if (vp9_ctx->last.valid && !intra_only &&
+ vp9_ctx->last.seg.flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED)
+ last_frame_info |= RKVDEC_SEG_EN_LASTFRAME;
+
+ if (vp9_ctx->last.valid &&
+ vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_SHOW_FRAME)
+ last_frame_info |= RKVDEC_LAST_SHOW_FRAME;
+
+ if (vp9_ctx->last.valid &&
+ vp9_ctx->last.flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY))
+ last_frame_info |= RKVDEC_LAST_INTRA_ONLY;
+
+ if (vp9_ctx->last.valid &&
+ last->vp9.width == dst->vp9.width &&
+ last->vp9.height == dst->vp9.height)
+ last_frame_info |= RKVDEC_LAST_WIDHHEIGHT_EQCUR;
+
+ writel_relaxed(last_frame_info,
+ rkvdec->regs + RKVDEC_VP9_INFO_LASTFRAME);
+
+ writel_relaxed(stream_len - dec_params->compressed_header_size -
+ dec_params->uncompressed_header_size,
+ rkvdec->regs + RKVDEC_VP9_LASTTILE_SIZE);
+
+ for (i = 0; !intra_only && i < ARRAY_SIZE(ref_bufs); i++) {
+ unsigned int refw = ref_bufs[i]->vp9.width;
+ unsigned int refh = ref_bufs[i]->vp9.height;
+ u32 hscale, vscale;
+
+ hscale = (refw << 14) / dst->vp9.width;
+ vscale = (refh << 14) / dst->vp9.height;
+ writel_relaxed(RKVDEC_VP9_REF_HOR_SCALE(hscale) |
+ RKVDEC_VP9_REF_VER_SCALE(vscale),
+ rkvdec->regs + RKVDEC_VP9_REF_SCALE(i));
+ }
+
+ addr = vb2_dma_contig_plane_dma_addr(&dst->base.vb.vb2_buf, 0);
+ writel_relaxed(addr, rkvdec->regs + RKVDEC_REG_DECOUT_BASE);
+ addr = vb2_dma_contig_plane_dma_addr(&run->base.bufs.src->vb2_buf, 0);
+ writel_relaxed(addr, rkvdec->regs + RKVDEC_REG_STRM_RLC_BASE);
+ writel_relaxed(vp9_ctx->priv_tbl.dma +
+ offsetof(struct rkvdec_vp9_priv_tbl, probs),
+ rkvdec->regs + RKVDEC_REG_CABACTBL_PROB_BASE);
+ writel_relaxed(vp9_ctx->count_tbl.dma,
+ rkvdec->regs + RKVDEC_REG_VP9COUNT_BASE);
+
+ writel_relaxed(vp9_ctx->priv_tbl.dma +
+ offsetof(struct rkvdec_vp9_priv_tbl, segmap) +
+ (RKVDEC_VP9_MAX_SEGMAP_SIZE * vp9_ctx->cur.segmapid),
+ rkvdec->regs + RKVDEC_REG_VP9_SEGIDCUR_BASE);
+ writel_relaxed(vp9_ctx->priv_tbl.dma +
+ offsetof(struct rkvdec_vp9_priv_tbl, segmap) +
+ (RKVDEC_VP9_MAX_SEGMAP_SIZE * (!vp9_ctx->cur.segmapid)),
+ rkvdec->regs + RKVDEC_REG_VP9_SEGIDLAST_BASE);
+
+ if (!intra_only &&
+ !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
+ vp9_ctx->last.valid)
+ mv_ref = last;
+ else
+ mv_ref = dst;
+
+ writel_relaxed(get_mv_base_addr(mv_ref),
+ rkvdec->regs + RKVDEC_VP9_REF_COLMV_BASE);
+
+ writel_relaxed(ctx->decoded_fmt.fmt.pix_mp.width |
+ (ctx->decoded_fmt.fmt.pix_mp.height << 16),
+ rkvdec->regs + RKVDEC_REG_PERFORMANCE_CYCLE);
+}
+
+static int validate_dec_params(struct rkvdec_ctx *ctx,
+ const struct v4l2_ctrl_vp9_frame *dec_params)
+{
+ unsigned int aligned_width, aligned_height;
+
+ /* We only support profile 0. */
+ if (dec_params->profile != 0) {
+ dev_err(ctx->dev->dev, "unsupported profile %d\n",
+ dec_params->profile);
+ return -EINVAL;
+ }
+
+ aligned_width = round_up(dec_params->frame_width_minus_1 + 1, 64);
+ aligned_height = round_up(dec_params->frame_height_minus_1 + 1, 64);
+
+ /*
+ * Userspace should update the capture/decoded format when the
+ * resolution changes.
+ */
+ if (aligned_width != ctx->decoded_fmt.fmt.pix_mp.width ||
+ aligned_height != ctx->decoded_fmt.fmt.pix_mp.height) {
+ dev_err(ctx->dev->dev,
+ "unexpected bitstream resolution %dx%d\n",
+ dec_params->frame_width_minus_1 + 1,
+ dec_params->frame_height_minus_1 + 1);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rkvdec_vp9_run_preamble(struct rkvdec_ctx *ctx,
+ struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame *dec_params;
+ const struct v4l2_ctrl_vp9_compressed_hdr *prob_updates;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct v4l2_ctrl *ctrl;
+ unsigned int fctx_idx;
+ int ret;
+
+ /* v4l2-specific stuff */
+ rkvdec_run_preamble(ctx, &run->base);
+
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_STATELESS_VP9_FRAME);
+ if (WARN_ON(!ctrl))
+ return -EINVAL;
+ dec_params = ctrl->p_cur.p;
+
+ ret = validate_dec_params(ctx, dec_params);
+ if (ret)
+ return ret;
+
+ run->decode_params = dec_params;
+
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl, V4L2_CID_STATELESS_VP9_COMPRESSED_HDR);
+ if (WARN_ON(!ctrl))
+ return -EINVAL;
+ prob_updates = ctrl->p_cur.p;
+ vp9_ctx->cur.tx_mode = prob_updates->tx_mode;
+
+ /*
+ * vp9 stuff
+ *
+ * by this point the userspace has done all parts of 6.2 uncompressed_header()
+ * except this fragment:
+ * if ( FrameIsIntra || error_resilient_mode ) {
+ * setup_past_independence ( )
+ * if ( frame_type == KEY_FRAME || error_resilient_mode == 1 ||
+ * reset_frame_context == 3 ) {
+ * for ( i = 0; i < 4; i ++ ) {
+ * save_probs( i )
+ * }
+ * } else if ( reset_frame_context == 2 ) {
+ * save_probs( frame_context_idx )
+ * }
+ * frame_context_idx = 0
+ * }
+ */
+ fctx_idx = v4l2_vp9_reset_frame_ctx(dec_params, vp9_ctx->frame_context);
+ vp9_ctx->cur.frame_context_idx = fctx_idx;
+
+ /* 6.1 frame(sz): load_probs() and load_probs2() */
+ vp9_ctx->probability_tables = vp9_ctx->frame_context[fctx_idx];
+
+ /*
+ * The userspace has also performed 6.3 compressed_header(), but handling the
+ * probs in a special way. All probs which need updating, except MV-related,
+ * have been read from the bitstream and translated through inv_map_table[],
+ * but no 6.3.6 inv_recenter_nonneg(v, m) has been performed. The values passed
+ * by userspace are either translated values (there are no 0 values in
+ * inv_map_table[]), or zero to indicate no update. All MV-related probs which need
+ * updating have been read from the bitstream and (mv_prob << 1) | 1 has been
+ * performed. The values passed by userspace are either new values
+ * to replace old ones (the above mentioned shift and bitwise or never result in
+ * a zero) or zero to indicate no update.
+ * fw_update_probs() performs actual probs updates or leaves probs as-is
+ * for values for which a zero was passed from userspace.
+ */
+ v4l2_vp9_fw_update_probs(&vp9_ctx->probability_tables, prob_updates, dec_params);
+
+ return 0;
+}
+
+static int rkvdec_vp9_run(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ struct rkvdec_vp9_run run = { };
+ int ret;
+
+ ret = rkvdec_vp9_run_preamble(ctx, &run);
+ if (ret) {
+ rkvdec_run_postamble(ctx, &run.base);
+ return ret;
+ }
+
+ /* Prepare probs. */
+ init_probs(ctx, &run);
+
+ /* Configure hardware registers. */
+ config_registers(ctx, &run);
+
+ rkvdec_run_postamble(ctx, &run.base);
+
+ schedule_delayed_work(&rkvdec->watchdog_work, msecs_to_jiffies(2000));
+
+ writel(1, rkvdec->regs + RKVDEC_REG_PREF_LUMA_CACHE_COMMAND);
+ writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND);
+
+ writel(0xe, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
+ /* Start decoding! */
+ writel(RKVDEC_INTERRUPT_DEC_E | RKVDEC_CONFIG_DEC_CLK_GATE_E |
+ RKVDEC_TIMEOUT_E | RKVDEC_BUF_EMPTY_E,
+ rkvdec->regs + RKVDEC_REG_INTERRUPT);
+
+ return 0;
+}
+
+#define copy_tx_and_skip(p1, p2) \
+do { \
+ memcpy((p1)->tx8, (p2)->tx8, sizeof((p1)->tx8)); \
+ memcpy((p1)->tx16, (p2)->tx16, sizeof((p1)->tx16)); \
+ memcpy((p1)->tx32, (p2)->tx32, sizeof((p1)->tx32)); \
+ memcpy((p1)->skip, (p2)->skip, sizeof((p1)->skip)); \
+} while (0)
+
+static void rkvdec_vp9_done(struct rkvdec_ctx *ctx,
+ struct vb2_v4l2_buffer *src_buf,
+ struct vb2_v4l2_buffer *dst_buf,
+ enum vb2_buffer_state result)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ unsigned int fctx_idx;
+
+ /* v4l2-specific stuff */
+ if (result == VB2_BUF_STATE_ERROR)
+ goto out_update_last;
+
+ /*
+ * vp9 stuff
+ *
+ * 6.1.2 refresh_probs()
+ *
+ * In the spec a complementary condition goes last in 6.1.2 refresh_probs(),
+ * but it makes no sense to perform all the activities from the first "if"
+ * there if we actually are not refreshing the frame context. On top of that,
+ * because of 6.2 uncompressed_header() whenever error_resilient_mode == 1,
+ * refresh_frame_context == 0. Consequently, if we don't jump to out_update_last
+ * it means error_resilient_mode must be 0.
+ */
+ if (!(vp9_ctx->cur.flags & V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX))
+ goto out_update_last;
+
+ fctx_idx = vp9_ctx->cur.frame_context_idx;
+
+ if (!(vp9_ctx->cur.flags & V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE)) {
+ /* error_resilient_mode == 0 && frame_parallel_decoding_mode == 0 */
+ struct v4l2_vp9_frame_context *probs = &vp9_ctx->probability_tables;
+ bool frame_is_intra = vp9_ctx->cur.flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY);
+ struct tx_and_skip {
+ u8 tx8[2][1];
+ u8 tx16[2][2];
+ u8 tx32[2][3];
+ u8 skip[3];
+ } _tx_skip, *tx_skip = &_tx_skip;
+ struct v4l2_vp9_frame_symbol_counts *counts;
+
+ /* buffer the forward-updated TX and skip probs */
+ if (frame_is_intra)
+ copy_tx_and_skip(tx_skip, probs);
+
+ /* 6.1.2 refresh_probs(): load_probs() and load_probs2() */
+ *probs = vp9_ctx->frame_context[fctx_idx];
+
+ /* if FrameIsIntra then undo the effect of load_probs2() */
+ if (frame_is_intra)
+ copy_tx_and_skip(probs, tx_skip);
+
+ counts = frame_is_intra ? &vp9_ctx->intra_cnts : &vp9_ctx->inter_cnts;
+ v4l2_vp9_adapt_coef_probs(probs, counts,
+ !vp9_ctx->last.valid ||
+ vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME,
+ frame_is_intra);
+ if (!frame_is_intra) {
+ const struct rkvdec_vp9_inter_frame_symbol_counts *inter_cnts;
+ u32 classes[2][11];
+ int i;
+
+ inter_cnts = vp9_ctx->count_tbl.cpu;
+ for (i = 0; i < ARRAY_SIZE(classes); ++i)
+ memcpy(classes[i], inter_cnts->classes[i], sizeof(classes[0]));
+ counts->classes = &classes;
+
+ /* load_probs2() already done */
+ v4l2_vp9_adapt_noncoef_probs(&vp9_ctx->probability_tables, counts,
+ vp9_ctx->cur.reference_mode,
+ vp9_ctx->cur.interpolation_filter,
+ vp9_ctx->cur.tx_mode, vp9_ctx->cur.flags);
+ }
+ }
+
+ /* 6.1.2 refresh_probs(): save_probs(fctx_idx) */
+ vp9_ctx->frame_context[fctx_idx] = vp9_ctx->probability_tables;
+
+out_update_last:
+ update_ctx_last_info(vp9_ctx);
+}
+
+static void rkvdec_init_v4l2_vp9_count_tbl(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_vp9_intra_frame_symbol_counts *intra_cnts = vp9_ctx->count_tbl.cpu;
+ struct rkvdec_vp9_inter_frame_symbol_counts *inter_cnts = vp9_ctx->count_tbl.cpu;
+ int i, j, k, l, m;
+
+ vp9_ctx->inter_cnts.partition = &inter_cnts->partition;
+ vp9_ctx->inter_cnts.skip = &inter_cnts->skip;
+ vp9_ctx->inter_cnts.intra_inter = &inter_cnts->inter;
+ vp9_ctx->inter_cnts.tx32p = &inter_cnts->tx32p;
+ vp9_ctx->inter_cnts.tx16p = &inter_cnts->tx16p;
+ vp9_ctx->inter_cnts.tx8p = &inter_cnts->tx8p;
+
+ vp9_ctx->intra_cnts.partition = (u32 (*)[16][4])(&intra_cnts->partition);
+ vp9_ctx->intra_cnts.skip = &intra_cnts->skip;
+ vp9_ctx->intra_cnts.intra_inter = &intra_cnts->intra;
+ vp9_ctx->intra_cnts.tx32p = &intra_cnts->tx32p;
+ vp9_ctx->intra_cnts.tx16p = &intra_cnts->tx16p;
+ vp9_ctx->intra_cnts.tx8p = &intra_cnts->tx8p;
+
+ vp9_ctx->inter_cnts.y_mode = &inter_cnts->y_mode;
+ vp9_ctx->inter_cnts.uv_mode = &inter_cnts->uv_mode;
+ vp9_ctx->inter_cnts.comp = &inter_cnts->comp;
+ vp9_ctx->inter_cnts.comp_ref = &inter_cnts->comp_ref;
+ vp9_ctx->inter_cnts.single_ref = &inter_cnts->single_ref;
+ vp9_ctx->inter_cnts.mv_mode = &inter_cnts->mv_mode;
+ vp9_ctx->inter_cnts.filter = &inter_cnts->filter;
+ vp9_ctx->inter_cnts.mv_joint = &inter_cnts->mv_joint;
+ vp9_ctx->inter_cnts.sign = &inter_cnts->sign;
+ /*
+ * rk hardware actually uses "u32 classes[2][11 + 1];"
+ * instead of "u32 classes[2][11];", so this must be explicitly
+ * copied into vp9_ctx->classes when passing the data to the
+ * vp9 library function
+ */
+ vp9_ctx->inter_cnts.class0 = &inter_cnts->class0;
+ vp9_ctx->inter_cnts.bits = &inter_cnts->bits;
+ vp9_ctx->inter_cnts.class0_fp = &inter_cnts->class0_fp;
+ vp9_ctx->inter_cnts.fp = &inter_cnts->fp;
+ vp9_ctx->inter_cnts.class0_hp = &inter_cnts->class0_hp;
+ vp9_ctx->inter_cnts.hp = &inter_cnts->hp;
+
+#define INNERMOST_LOOP \
+ do { \
+ for (m = 0; m < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0][0][0][0]); ++m) {\
+ vp9_ctx->inter_cnts.coeff[i][j][k][l][m] = \
+ &inter_cnts->ref_cnt[k][i][j][l][m].coeff; \
+ vp9_ctx->inter_cnts.eob[i][j][k][l][m][0] = \
+ &inter_cnts->ref_cnt[k][i][j][l][m].eob[0]; \
+ vp9_ctx->inter_cnts.eob[i][j][k][l][m][1] = \
+ &inter_cnts->ref_cnt[k][i][j][l][m].eob[1]; \
+ \
+ vp9_ctx->intra_cnts.coeff[i][j][k][l][m] = \
+ &intra_cnts->ref_cnt[k][i][j][l][m].coeff; \
+ vp9_ctx->intra_cnts.eob[i][j][k][l][m][0] = \
+ &intra_cnts->ref_cnt[k][i][j][l][m].eob[0]; \
+ vp9_ctx->intra_cnts.eob[i][j][k][l][m][1] = \
+ &intra_cnts->ref_cnt[k][i][j][l][m].eob[1]; \
+ } \
+ } while (0)
+
+ for (i = 0; i < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff); ++i)
+ for (j = 0; j < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0]); ++j)
+ for (k = 0; k < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0][0]); ++k)
+ for (l = 0; l < ARRAY_SIZE(vp9_ctx->inter_cnts.coeff[0][0][0]); ++l)
+ INNERMOST_LOOP;
+#undef INNERMOST_LOOP
+}
+
+static int rkvdec_vp9_start(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ struct rkvdec_vp9_priv_tbl *priv_tbl;
+ struct rkvdec_vp9_ctx *vp9_ctx;
+ unsigned char *count_tbl;
+ int ret;
+
+ vp9_ctx = kzalloc(sizeof(*vp9_ctx), GFP_KERNEL);
+ if (!vp9_ctx)
+ return -ENOMEM;
+
+ ctx->priv = vp9_ctx;
+
+ priv_tbl = dma_alloc_coherent(rkvdec->dev, sizeof(*priv_tbl),
+ &vp9_ctx->priv_tbl.dma, GFP_KERNEL);
+ if (!priv_tbl) {
+ ret = -ENOMEM;
+ goto err_free_ctx;
+ }
+
+ vp9_ctx->priv_tbl.size = sizeof(*priv_tbl);
+ vp9_ctx->priv_tbl.cpu = priv_tbl;
+ memset(priv_tbl, 0, sizeof(*priv_tbl));
+
+ count_tbl = dma_alloc_coherent(rkvdec->dev, RKVDEC_VP9_COUNT_SIZE,
+ &vp9_ctx->count_tbl.dma, GFP_KERNEL);
+ if (!count_tbl) {
+ ret = -ENOMEM;
+ goto err_free_priv_tbl;
+ }
+
+ vp9_ctx->count_tbl.size = RKVDEC_VP9_COUNT_SIZE;
+ vp9_ctx->count_tbl.cpu = count_tbl;
+ memset(count_tbl, 0, sizeof(*count_tbl));
+ rkvdec_init_v4l2_vp9_count_tbl(ctx);
+
+ return 0;
+
+err_free_priv_tbl:
+ dma_free_coherent(rkvdec->dev, vp9_ctx->priv_tbl.size,
+ vp9_ctx->priv_tbl.cpu, vp9_ctx->priv_tbl.dma);
+
+err_free_ctx:
+ kfree(vp9_ctx);
+ return ret;
+}
+
+static void rkvdec_vp9_stop(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+
+ dma_free_coherent(rkvdec->dev, vp9_ctx->count_tbl.size,
+ vp9_ctx->count_tbl.cpu, vp9_ctx->count_tbl.dma);
+ dma_free_coherent(rkvdec->dev, vp9_ctx->priv_tbl.size,
+ vp9_ctx->priv_tbl.cpu, vp9_ctx->priv_tbl.dma);
+ kfree(vp9_ctx);
+}
+
+static int rkvdec_vp9_adjust_fmt(struct rkvdec_ctx *ctx,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
+
+ fmt->num_planes = 1;
+ if (!fmt->plane_fmt[0].sizeimage)
+ fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height * 2;
+ return 0;
+}
+
+const struct rkvdec_coded_fmt_ops rkvdec_vp9_fmt_ops = {
+ .adjust_fmt = rkvdec_vp9_adjust_fmt,
+ .start = rkvdec_vp9_start,
+ .stop = rkvdec_vp9_stop,
+ .run = rkvdec_vp9_run,
+ .done = rkvdec_vp9_done,
+};
diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
index 7131156c1f2c..6aa8aca66547 100644
--- a/drivers/staging/media/rkvdec/rkvdec.c
+++ b/drivers/staging/media/rkvdec/rkvdec.c
@@ -99,10 +99,30 @@ static const struct rkvdec_ctrls rkvdec_h264_ctrls = {
.num_ctrls = ARRAY_SIZE(rkvdec_h264_ctrl_descs),
};

-static const u32 rkvdec_h264_decoded_fmts[] = {
+static const u32 rkvdec_h264_vp9_decoded_fmts[] = {
V4L2_PIX_FMT_NV12,
};

+static const struct rkvdec_ctrl_desc rkvdec_vp9_ctrl_descs[] = {
+ {
+ .cfg.id = V4L2_CID_STATELESS_VP9_FRAME,
+ },
+ {
+ .cfg.id = V4L2_CID_STATELESS_VP9_COMPRESSED_HDR,
+ },
+ {
+ .cfg.id = V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
+ .cfg.min = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
+ .cfg.max = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
+ .cfg.def = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
+ },
+};
+
+static const struct rkvdec_ctrls rkvdec_vp9_ctrls = {
+ .ctrls = rkvdec_vp9_ctrl_descs,
+ .num_ctrls = ARRAY_SIZE(rkvdec_vp9_ctrl_descs),
+};
+
static const struct rkvdec_coded_fmt_desc rkvdec_coded_fmts[] = {
{
.fourcc = V4L2_PIX_FMT_H264_SLICE,
@@ -116,8 +136,23 @@ static const struct rkvdec_coded_fmt_desc rkvdec_coded_fmts[] = {
},
.ctrls = &rkvdec_h264_ctrls,
.ops = &rkvdec_h264_fmt_ops,
- .num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_decoded_fmts),
- .decoded_fmts = rkvdec_h264_decoded_fmts,
+ .num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_vp9_decoded_fmts),
+ .decoded_fmts = rkvdec_h264_vp9_decoded_fmts,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_VP9_FRAME,
+ .frmsize = {
+ .min_width = 64,
+ .max_width = 4096,
+ .step_width = 64,
+ .min_height = 64,
+ .max_height = 2304,
+ .step_height = 64,
+ },
+ .ctrls = &rkvdec_vp9_ctrls,
+ .ops = &rkvdec_vp9_fmt_ops,
+ .num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_vp9_decoded_fmts),
+ .decoded_fmts = rkvdec_h264_vp9_decoded_fmts,
}
};

@@ -319,7 +354,7 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv,
struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
const struct rkvdec_coded_fmt_desc *desc;
struct v4l2_format *cap_fmt;
- struct vb2_queue *peer_vq;
+ struct vb2_queue *peer_vq, *vq;
int ret;

/*
@@ -331,6 +366,15 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv,
if (vb2_is_busy(peer_vq))
return -EBUSY;

+ /*
+ * Some codecs like VP9 can contain dynamic resolution changes which
+ * are currently not supported by the V4L2 API or driver, so return
+ * an error if userspace tries to reconfigure the output format.
+ */
+ vq = v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+ if (vb2_is_busy(vq))
+ return -EINVAL;
+
ret = rkvdec_s_fmt(file, priv, f, rkvdec_try_output_fmt);
if (ret)
return ret;
diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
index 52ac3874c5e5..2f4ea1786b93 100644
--- a/drivers/staging/media/rkvdec/rkvdec.h
+++ b/drivers/staging/media/rkvdec/rkvdec.h
@@ -42,14 +42,18 @@ struct rkvdec_run {

struct rkvdec_vp9_decoded_buffer_info {
/* Info needed when the decoded frame serves as a reference frame. */
- u16 width;
- u16 height;
- u32 bit_depth : 4;
+ unsigned short width;
+ unsigned short height;
+ unsigned int bit_depth : 4;
};

struct rkvdec_decoded_buffer {
/* Must be the first field in this struct. */
struct v4l2_m2m_buffer base;
+
+ union {
+ struct rkvdec_vp9_decoded_buffer_info vp9;
+ };
};

static inline struct rkvdec_decoded_buffer *
@@ -116,4 +120,6 @@ void rkvdec_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);
void rkvdec_run_postamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);

extern const struct rkvdec_coded_fmt_ops rkvdec_h264_fmt_ops;
+extern const struct rkvdec_coded_fmt_ops rkvdec_vp9_fmt_ops;
+
#endif /* RKVDEC_H_ */
--
2.17.1
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