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Message-ID: <8110996.DvuYhMxLoT@arisu>
Date: Mon, 17 Jun 2024 09:40:42 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: Andy Yan <andyshrk@....com>
Cc: linux-kernel@...r.kernel.org, Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Dragan Simic <dsimic@...jaro.org>, Alexey Charkov <alchark@...il.com>,
Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
Diederik de Haas <didi.debian@...ow.org>, Andy Yan <andy.yan@...k-chips.com>,
linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
linux-staging@...ts.linux.dev
Subject: Re: [PATCH 1/3] media: rockchip: Introduce the rkvdec2 driver
On Sunday, June 16, 2024 2:58:20 A.M. EDT Andy Yan wrote:
> Hi Detlev，
> Thanks for your great work。
> How can I test these patches? Do they require any additional userspace
> patches?
Hi Andy,
You should not need anything specific in userspace. A debian bookworm rootfs
will provide the gstreamer tools you need to test with a h264 video file.
You can also run fluster (https://github.com/fluendo/fluster) with the GStreamer-
H.264-V4L2SL-Gst1.0 decoder:
./fluster.py run -d GStreamer-H.264-V4L2SL-Gst1.0 -ts JVT-AVC_V1 -j 8
You should expect 129/135 tests passing.
Detlev.
> At 2024-06-15 09:56:27, "Detlev Casanova" <detlev.casanova@...labora.com>
wrote:
> >This driver supports the second generation of the Rockchip Video
> >decoder, also known as vdpu34x.
> >It is currently only used on the RK3588(s) SoC.
> >
> >There are 2 decoders on the RK3588 SoC that can work in pair to decode
> >8K video at 30 FPS but currently, only using one core at a time is
> >supported.
> >
> >Scheduling requests between the two cores will be implemented later.
> >
> >The core supports H264, HEVC, VP9 and AVS2 decoding but this driver
> >currently only supports H264.
> >
> >The driver is based on rkvdec and they may share some code in the
> >future.
> >The decision to make a different driver is mainly because rkvdec2 has
> >more features and can work with multiple cores.
> >
> >The registers are mapped in a struct in RAM using bitfields. It is IO
> >copied to the HW when all values are configured.
> >The decision to use such a struct instead of writing buffers one by one
> >
> >is based on the following reasons:
> > - Rockchip cores are known to misbehave when registers are not written
> >
> > in address order,
> >
> > - Those cores also need the software to write all registers, even if
> >
> > they are written their default values or are not related to the task
> > (this core will not start decoding some H264 frames if some VP9
> > registers are not written to 0)
> >
> > - In the future, to support multiple cores, the scheduler could be
> >
> > optimized by storing the precomputed registers values and copy them
> > to the HW as soos as a core becomes available.
> >
> >This makes the code more readable and may bring performance improvements
> >in future features.
> >
> >Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
> >---
> >
> > drivers/staging/media/Kconfig | 1 +
> > drivers/staging/media/Makefile | 1 +
> > drivers/staging/media/rkvdec2/Kconfig | 15 +
> > drivers/staging/media/rkvdec2/Makefile | 3 +
> > drivers/staging/media/rkvdec2/TODO | 13 +
> > drivers/staging/media/rkvdec2/rkvdec2-h264.c | 899 ++++++++++++++
> > drivers/staging/media/rkvdec2/rkvdec2-regs.h | 372 ++++++
> > drivers/staging/media/rkvdec2/rkvdec2.c | 1160 ++++++++++++++++++
> > drivers/staging/media/rkvdec2/rkvdec2.h | 123 ++
> > 9 files changed, 2587 insertions(+)
> > create mode 100644 drivers/staging/media/rkvdec2/Kconfig
> > create mode 100644 drivers/staging/media/rkvdec2/Makefile
> > create mode 100644 drivers/staging/media/rkvdec2/TODO
> > create mode 100644 drivers/staging/media/rkvdec2/rkvdec2-h264.c
> > create mode 100644 drivers/staging/media/rkvdec2/rkvdec2-regs.h
> > create mode 100644 drivers/staging/media/rkvdec2/rkvdec2.c
> > create mode 100644 drivers/staging/media/rkvdec2/rkvdec2.h
> >
> >diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
> >index 554c2e475ce3..7f377d37e670 100644
> >--- a/drivers/staging/media/Kconfig
> >+++ b/drivers/staging/media/Kconfig
> >@@ -35,6 +35,7 @@ source "drivers/staging/media/meson/vdec/Kconfig"
> >
> > source "drivers/staging/media/omap4iss/Kconfig"
> >
> > source "drivers/staging/media/rkvdec/Kconfig"
> >
> >+source "drivers/staging/media/rkvdec2/Kconfig"
> >
> > source "drivers/staging/media/starfive/Kconfig"
> >
> >diff --git a/drivers/staging/media/Makefile
> >b/drivers/staging/media/Makefile index dcaeeca0ee6d..0a2d89db32b2 100644
> >--- a/drivers/staging/media/Makefile
> >+++ b/drivers/staging/media/Makefile
> >@@ -6,6 +6,7 @@ obj-$(CONFIG_VIDEO_MAX96712) += max96712/
> >
> > obj-$(CONFIG_VIDEO_MESON_VDEC) += meson/vdec/
> > obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/
> > obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC) += rkvdec/
> >
> >+obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC2) += rkvdec2/
> >
> > obj-$(CONFIG_VIDEO_STARFIVE_CAMSS) += starfive/
> > obj-$(CONFIG_VIDEO_SUNXI) += sunxi/
> > obj-$(CONFIG_VIDEO_TEGRA) += tegra-video/
> >
> >diff --git a/drivers/staging/media/rkvdec2/Kconfig
> >b/drivers/staging/media/rkvdec2/Kconfig new file mode 100644
> >index 000000000000..fd505cb7aff9
> >--- /dev/null
> >+++ b/drivers/staging/media/rkvdec2/Kconfig
> >@@ -0,0 +1,15 @@
> >+# SPDX-License-Identifier: GPL-2.0
> >+config VIDEO_ROCKCHIP_VDEC2
> >+ tristate "Rockchip Video Decoder driver 2"
> >+ depends on ARCH_ROCKCHIP || COMPILE_TEST
> >+ depends on VIDEO_DEV
> >+ select MEDIA_CONTROLLER
> >+ select VIDEOBUF2_DMA_CONTIG
> >+ select VIDEOBUF2_VMALLOC
> >+ select V4L2_MEM2MEM_DEV
> >+ select V4L2_H264
> >+ help
> >+ Support for the Rockchip Video Decoder 2 IP present on Rockchip
SoCs,
> >+ which accelerates video decoding.
> >+ To compile this driver as a module, choose M here: the module
> >+ will be called rockchip-vdec2.
> >diff --git a/drivers/staging/media/rkvdec2/Makefile
> >b/drivers/staging/media/rkvdec2/Makefile new file mode 100644
> >index 000000000000..b5a6ac701970
> >--- /dev/null
> >+++ b/drivers/staging/media/rkvdec2/Makefile
> >@@ -0,0 +1,3 @@
> >+obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC2) += rockchip-vdec2.o
> >+
> >+rockchip-vdec2-y += rkvdec2.o rkvdec2-h264.o
> >diff --git a/drivers/staging/media/rkvdec2/TODO
> >b/drivers/staging/media/rkvdec2/TODO new file mode 100644
> >index 000000000000..8448fb20185e
> >--- /dev/null
> >+++ b/drivers/staging/media/rkvdec2/TODO
> >@@ -0,0 +1,13 @@
> >+* H264 features
> >+
> >+ - Fluster score currently is 129/135 for JVT-AVC_V1.
> >+ This probably won't improve.
> >+ - RCB is not stored in sram yet.
> >+
> >+* Support for HEVC and VP9 are planned for this driver.
> >+
> >+ First, the h264 backend needs to be stabilized.
> >+
> >+* Evaluate sharing code with rkvdec
> >+
> >+ As rkvdec is still in staging, this driver stays there as well.
> >diff --git a/drivers/staging/media/rkvdec2/rkvdec2-h264.c
> >b/drivers/staging/media/rkvdec2/rkvdec2-h264.c new file mode 100644
> >index 000000000000..484d32f15a42
> >--- /dev/null
> >+++ b/drivers/staging/media/rkvdec2/rkvdec2-h264.c
> >@@ -0,0 +1,899 @@
> >+// SPDX-License-Identifier: GPL-2.0
> >+/*
> >+ * Rockchip Video Decoder 2 H264 backend
> >+ *
> >+ * Copyright (C) 2024 Collabora, Ltd.
> >+ * Detlev Casanova <detlev.casanova@...labora.com>
> >+ *
> >+ * Based on rkvdec driver by Boris Brezillon
> ><boris.brezillon@...labora.com> + */
> >+
> >+#include <media/v4l2-h264.h>
> >+#include <media/v4l2-mem2mem.h>
> >+
> >+#include "rkvdec2.h"
> >+#include "rkvdec2-regs.h"
> >+
> >+#define RKVDEC_NUM_REFLIST 3
> >+
> >+struct rkvdec2_h264_scaling_list {
> >+ u8 scaling_list_4x4[6][16];
> >+ u8 scaling_list_8x8[6][64];
> >+ u8 padding[128];
> >+};
> >+
> >+struct rkvdec2_sps {
> >+ u16 seq_parameter_set_id: 4;
> >+ u16 profile_idc: 8;
> >+ u16 constraint_set3_flag: 1;
> >+ u16 chroma_format_idc: 2;
> >+ u16 bit_depth_luma: 3;
> >+ u16 bit_depth_chroma: 3;
> >+ u16 qpprime_y_zero_transform_bypass_flag: 1;
> >+ u16 log2_max_frame_num_minus4: 4;
> >+ u16 max_num_ref_frames:
5;
> >+ u16 pic_order_cnt_type: 2;
> >+ u16 log2_max_pic_order_cnt_lsb_minus4: 4;
> >+ u16 delta_pic_order_always_zero_flag: 1;
> >+ u16 pic_width_in_mbs: 12;
> >+ u16 pic_height_in_mbs: 12;
> >+ u16 frame_mbs_only_flag: 1;
> >+ u16 mb_adaptive_frame_field_flag: 1;
> >+ u16 direct_8x8_inference_flag: 1;
> >+ u16 mvc_extension_enable: 1;
> >+ u16 num_views:
2;
> >+
> >+ u16 reserved_bits: 12;
> >+ u16 reserved[11];
> >+} __packed;
> >+
> >+struct rkvdec2_pps {
> >+ u16 pic_parameter_set_id: 8;
> >+ u16 pps_seq_parameter_set_id:
5;
> >+ u16 entropy_coding_mode_flag:
1;
> >+ u16 bottom_field_pic_order_in_frame_present_flag: 1;
> >+ u16 num_ref_idx_l0_default_active_minus1: 5;
> >+ u16 num_ref_idx_l1_default_active_minus1: 5;
> >+ u16 weighted_pred_flag:
1;
> >+ u16 weighted_bipred_idc: 2;
> >+ u16 pic_init_qp_minus26: 7;
> >+ u16 pic_init_qs_minus26: 6;
> >+ u16 chroma_qp_index_offset:
5;
> >+ u16 deblocking_filter_control_present_flag: 1;
> >+ u16 constrained_intra_pred_flag: 1;
> >+ u16 redundant_pic_cnt_present:
1;
> >+ u16 transform_8x8_mode_flag:
1;
> >+ u16 second_chroma_qp_index_offset: 5;
> >+ u16 scaling_list_enable_flag:
1;
> >+ u32 scaling_list_address;
> >+ u16 is_longterm;
> >+
> >+ u8 reserved[3];
> >+} __packed;
> >+
> >+struct rkvdec2_rps_entry {
> >+ u32 dpb_info0: 5;
> >+ u32 bottom_flag0: 1;
> >+ u32 view_index_off0: 1;
> >+ u32 dpb_info1: 5;
> >+ u32 bottom_flag1: 1;
> >+ u32 view_index_off1: 1;
> >+ u32 dpb_info2: 5;
> >+ u32 bottom_flag2: 1;
> >+ u32 view_index_off2: 1;
> >+ u32 dpb_info3: 5;
> >+ u32 bottom_flag3: 1;
> >+ u32 view_index_off3: 1;
> >+ u32 dpb_info4: 5;
> >+ u32 bottom_flag4: 1;
> >+ u32 view_index_off4: 1;
> >+ u32 dpb_info5: 5;
> >+ u32 bottom_flag5: 1;
> >+ u32 view_index_off5: 1;
> >+ u32 dpb_info6: 5;
> >+ u32 bottom_flag6: 1;
> >+ u32 view_index_off6: 1;
> >+ u32 dpb_info7: 5;
> >+ u32 bottom_flag7: 1;
> >+ u32 view_index_off7: 1;
> >+} __packed;
> >+
> >+struct rkvdec2_rps {
> >+ u16 frame_num[16];
> >+ u32 reserved0;
> >+ struct rkvdec2_rps_entry entries[12];
> >+ u32 reserved1[66];
> >+} __packed;
> >+
> >+int a = sizeof(struct rkvdec2_rps);
> >+
> >+struct rkvdec2_sps_pps {
> >+ struct rkvdec2_sps sps;
> >+ struct rkvdec2_pps pps;
> >+} __packed;
> >+
> >+/* Data structure describing auxiliary buffer format. */
> >+struct rkvdec2_h264_priv_tbl {
> >+ u32 cabac_table[928];
> >+ struct rkvdec2_h264_scaling_list scaling_list;
> >+ struct rkvdec2_sps_pps param_set[256];
> >+ struct rkvdec2_rps rps;
> >+};
> >+
> >+struct rkvdec2_h264_reflists {
> >+ struct v4l2_h264_reference p[V4L2_H264_REF_LIST_LEN];
> >+ struct v4l2_h264_reference b0[V4L2_H264_REF_LIST_LEN];
> >+ struct v4l2_h264_reference b1[V4L2_H264_REF_LIST_LEN];
> >+};
> >+
> >+struct rkvdec2_h264_run {
> >+ struct rkvdec2_run
base;
> >+ const struct v4l2_ctrl_h264_decode_params
*decode_params;
> >+ const struct v4l2_ctrl_h264_sps
*sps;
> >+ const struct v4l2_ctrl_h264_pps
*pps;
> >+ const struct v4l2_ctrl_h264_scaling_matrix
*scaling_matrix;
> >+ struct vb2_buffer *ref_buf[V4L2_H264_NUM_DPB_ENTRIES];
> >+};
> >+
> >+struct rkvdec2_h264_ctx {
> >+ struct rkvdec2_aux_buf priv_tbl;
> >+ struct rkvdec2_h264_reflists reflists;
> >+ struct rkvdec2_regs_h264 regs;
> >+};
> >+
> >+/*
> >+ * Constant CABAC table.
> >+ */
> >+static const u32 rkvdec2_h264_cabac_table[928] = {
> >+ 0x3602f114, 0xf1144a03, 0x4a033602, 0x68e97fe4, 0x36ff35fa,
0x21173307,
> >+ 0x00150217, 0x31000901, 0x390576db, 0x41f54ef3, 0x310c3e01,
0x321149fc,
> >+ 0x2b094012, 0x431a001d, 0x68095a10, 0x68ec7fd2, 0x4ef34301,
0x3e0141f5,
> >+ 0x5fef56fa, 0x2d093dfa, 0x51fa45fd, 0x370660f5, 0x56fb4307,
0x3a005802,
> >+ 0x5ef64cfd, 0x45043605, 0x580051fd, 0x4afb43f9, 0x50fb4afc,
0x3a0148f9,
> >+ 0x3f002900, 0x3f003f00, 0x560453f7, 0x48f96100, 0x3e03290d,
0x4efc2d00,
> >+ 0x7ee560fd, 0x65e762e4, 0x52e443e9, 0x53f05eec, 0x5beb6eea,
0x5df366ee,
> >+ 0x5cf97fe3, 0x60f959fb, 0x2efd6cf3, 0x39ff41ff, 0x4afd5df7,
0x57f85cf7,
> >+ 0x36057ee9, 0x3b063c06, 0x30ff4506, 0x45fc4400, 0x55fe58f8,
0x4bff4efa,
> >+ 0x36024df9, 0x44fd3205, 0x2a063201, 0x3f0151fc, 0x430046fc,
0x4cfe3902,
> >+ 0x4004230b, 0x230b3d01, 0x180c1912, 0x240d1d0d, 0x49f95df6,
0x2e0d49fe,
> >+ 0x64f93109, 0x35023509, 0x3dfe3505, 0x38003800, 0x3cfb3ff3,
0x39043eff,
> >+ 0x390445fa, 0x3304270e, 0x4003440d, 0x3f093d01, 0x27103207,
0x34042c05,
> >+ 0x3cfb300b, 0x3b003bff, 0x2c052116, 0x4eff2b0e, 0x45093c00,
0x28021c0b,
> >+ 0x31002c03, 0x2c022e00, 0x2f003302, 0x3e022704, 0x36002e06,
0x3a023603,
> >+ 0x33063f04, 0x35073906, 0x37063406, 0x240e2d0b, 0x52ff3508,
0x4efd3707,
> >+ 0x1f162e0f, 0x071954ff, 0x031cf91e, 0x0020041c, 0x061eff22,
0x0920061e,
> >+ 0x1b1a131f, 0x14251e1a, 0x4611221c, 0x3b054301, 0x1e104309,
0x23122012,
> >+ 0x1f181d16, 0x2b122617, 0x3f0b2914, 0x40093b09, 0x59fe5eff,
0x4cfa6cf7,
> >+ 0x2d002cfe, 0x40fd3400, 0x46fc3bfe, 0x52f84bfc, 0x4df766ef,
0x2a001803,
> >+ 0x37003000, 0x47f93bfa, 0x57f553f4, 0x3a0177e2, 0x24ff1dfd,
0x2b022601,
> >+ 0x3a0037fa, 0x4afd4000, 0x46005af6, 0x1f051dfc, 0x3b012a07,
0x48fd3afe,
> >+ 0x61f551fd, 0x05083a00, 0x120e0e0a, 0x28021b0d, 0x46fd3a00,
0x55f84ffa,
> >+ 0x6af30000, 0x57f66af0, 0x6eee72eb, 0x6eea62f2, 0x67ee6aeb,
0x6ce96beb,
> >+ 0x60f670e6, 0x5bfb5ff4, 0x5eea5df7, 0x430956fb, 0x55f650fc,
0x3c0746ff,
> >+ 0x3d053a09, 0x320f320c, 0x36113112, 0x2e07290a, 0x310733ff,
0x29093408,
> >+ 0x37022f06, 0x2c0a290d, 0x35053206, 0x3f04310d, 0x45fe4006,
0x46063bfe,
> >+ 0x1f092c0a, 0x35032b0c, 0x260a220e, 0x280d34fd, 0x2c072011,
0x320d2607,
> >+ 0x2b1a390a, 0x0e0b0b0e, 0x0b120b09, 0xfe170915, 0xf120f120,
0xe927eb22,
> >+ 0xe129df2a, 0xf426e42e, 0xe82d1d15, 0xe630d335, 0xed2bd541,
0x091ef627,
> >+ 0x1b141a12, 0x52f23900, 0x61ed4bfb, 0x001b7ddd, 0xfc1f001c,
0x0822061b,
> >+ 0x16180a1e, 0x20161321, 0x29151f1a, 0x2f172c1a, 0x470e4110,
0x3f063c08,
> >+ 0x18154111, 0x171a1417, 0x171c201b, 0x2817181c, 0x1d1c2018,
0x39132a17,
> >+ 0x3d163516, 0x280c560b, 0x3b0e330b, 0x47f94ffc, 0x46f745fb,
0x44f642f8,
> >+ 0x45f449ed, 0x43f146f0, 0x46ed3eec, 0x41ea42f0, 0xfe093fec,
0xf721f71a,
> >+ 0xfe29f927, 0x0931032d, 0x3b241b2d, 0x23f942fa, 0x2df82af9,
0x38f430fb,
> >+ 0x3efb3cfa, 0x4cf842f8, 0x51fa55fb, 0x51f94df6, 0x49ee50ef,
0x53f64afc,
> >+ 0x43f747f7, 0x42f83dff, 0x3b0042f2, 0xf3153b02, 0xf927f221,
0x0233fe2e,
> >+ 0x113d063c, 0x3e2a2237, 0x00000000, 0x00000000, 0x3602f114,
0xf1144a03,
> >+ 0x4a033602, 0x68e97fe4, 0x36ff35fa, 0x19163307, 0x00100022,
0x290409fe,
> >+ 0x410276e3, 0x4ff347fa, 0x32093405, 0x360a46fd, 0x1613221a,
0x02390028,
> >+ 0x451a2429, 0x65f17fd3, 0x47fa4cfc, 0x34054ff3, 0x5af34506,
0x2b083400,
> >+ 0x52fb45fe, 0x3b0260f6, 0x57fd4b02, 0x380164fd, 0x55fa4afd,
0x51fd3b00,
> >+ 0x5ffb56f9, 0x4dff42ff, 0x56fe4601, 0x3d0048fb, 0x3f002900,
0x3f003f00,
> >+ 0x560453f7, 0x48f96100, 0x3e03290d, 0x33070f0d, 0x7fd95002,
0x60ef5bee,
> >+ 0x62dd51e6, 0x61e966e8, 0x63e877e5, 0x66ee6eeb, 0x50007fdc,
0x5ef959fb,
> >+ 0x27005cfc, 0x54f14100, 0x49fe7fdd, 0x5bf768f4, 0x37037fe1,
0x37073807,
> >+ 0x35fd3d08, 0x4af94400, 0x67f358f7, 0x59f75bf3, 0x4cf85cf2,
0x6ee957f4,
> >+ 0x4ef669e8, 0x63ef70ec, 0x7fba7fb2, 0x7fd27fce, 0x4efb42fc,
0x48f847fc,
> >+ 0x37ff3b02, 0x4bfa46f9, 0x77de59f8, 0x14204bfd, 0x7fd4161e,
0x3dfb3600,
> >+ 0x3cff3a00, 0x43f83dfd, 0x4af254e7, 0x340541fb, 0x3d003902,
0x46f545f7,
> >+ 0x47fc3712, 0x3d073a00, 0x19122909, 0x2b052009, 0x2c002f09,
0x2e023300,
> >+ 0x42fc2613, 0x2a0c260f, 0x59002209, 0x1c0a2d04, 0xf5211f0a,
0x0f12d534,
> >+ 0xea23001c, 0x0022e726, 0xf420ee27, 0x0000a266, 0xfc21f138,
0xfb250a1d,
> >+ 0xf727e333, 0xc645de34, 0xfb2cc143, 0xe3370720, 0x00000120,
0xe721241b,
> >+ 0xe424e222, 0xe526e426, 0xf023ee22, 0xf820f222, 0x0023fa25,
0x121c0a1e,
> >+ 0x291d191a, 0x48024b00, 0x230e4d08, 0x23111f12, 0x2d111e15,
0x2d122a14,
> >+ 0x36101a1b, 0x38104207, 0x430a490b, 0x70e974f6, 0x3df947f1,
0x42fb3500,
> >+ 0x50f74df5, 0x57f654f7, 0x65eb7fde, 0x35fb27fd, 0x4bf53df9,
0x5bef4df1,
> >+ 0x6fe76be7, 0x4cf57ae4, 0x34f62cf6, 0x3af739f6, 0x45f948f0,
0x4afb45fc,
> >+ 0x420256f7, 0x200122f7, 0x34051f0b, 0x43fe37fe, 0x59f84900,
0x04073403,
> >+ 0x0811080a, 0x25031310, 0x49fb3dff, 0x4efc46ff, 0x7eeb0000,
0x6eec7ce9,
> >+ 0x7ce77ee6, 0x79e569ef, 0x66ef75e5, 0x74e575e6, 0x5ff67adf,
0x5ff864f2,
> >+ 0x72e46fef, 0x50fe59fa, 0x55f752fc, 0x48ff51f8, 0x43014005,
0x45003809,
> >+ 0x45074501, 0x43fa45f9, 0x40fe4df0, 0x43fa3d02, 0x390240fd,
0x42fd41fd,
> >+ 0x33093e00, 0x47fe42ff, 0x46ff4bfe, 0x3c0e48f7, 0x2f002510,
0x250b2312,
> >+ 0x290a290c, 0x290c3002, 0x3b00290d, 0x28133203, 0x32124203,
0xfa12fa13,
> >+ 0xf41a000e, 0xe721f01f, 0xe425ea21, 0xe22ae227, 0xdc2dd62f,
0xef29de31,
> >+ 0xb9450920, 0xc042c13f, 0xd936b64d, 0xf629dd34, 0xff280024,
0x1a1c0e1e,
> >+ 0x370c2517, 0xdf25410b, 0xdb28dc27, 0xdf2ee226, 0xe828e22a,
0xf426e331,
> >+ 0xfd26f628, 0x141ffb2e, 0x2c191e1d, 0x310b300c, 0x16162d1a,
0x151b1617,
> >+ 0x1c1a1421, 0x221b181e, 0x27192a12, 0x460c3212, 0x470e3615,
0x2019530b,
> >+ 0x36153115, 0x51fa55fb, 0x51f94df6, 0x49ee50ef, 0x53f64afc,
0x43f747f7,
> >+ 0x42f83dff, 0x3b0042f2, 0xf6113b02, 0xf72af320, 0x0035fb31,
0x0a440340,
> >+ 0x392f1b42, 0x180047fb, 0x2afe24ff, 0x39f734fe, 0x41fc3ffa,
0x52f943fc,
> >+ 0x4cfd51fd, 0x4efa48f9, 0x44f248f4, 0x4cfa46fd, 0x3efb42fb,
0x3dfc3900,
> >+ 0x36013cf7, 0xf6113a02, 0xf72af320, 0x0035fb31, 0x0a440340,
0x392f1b42,
> >+ 0x00000000, 0x00000000, 0x3602f114, 0xf1144a03, 0x4a033602,
0x68e97fe4,
> >+ 0x36ff35fa, 0x101d3307, 0x000e0019, 0x3efd33f6, 0x101a63e5,
0x66e855fc,
> >+ 0x39063905, 0x390e49ef, 0x0a142814, 0x0036001d, 0x610c2a25,
0x75ea7fe0,
> >+ 0x55fc4afe, 0x390566e8, 0x58f25dfa, 0x37042cfa, 0x67f159f5,
0x391374eb,
> >+ 0x54043a14, 0x3f016006, 0x6af355fb, 0x4b063f05, 0x65ff5afd,
0x4ffc3703,
> >+ 0x61f44bfe, 0x3c0132f9, 0x3f002900, 0x3f003f00, 0x560453f7,
0x48f96100,
> >+ 0x3e03290d, 0x58f72207, 0x7fdc7fec, 0x5ff25bef, 0x56e754e7,
0x5bef59f4,
> >+ 0x4cf27fe1, 0x5af367ee, 0x500b7fdb, 0x54024c05, 0x37fa4e05,
0x53f23d04,
> >+ 0x4ffb7fdb, 0x5bf568f5, 0x41007fe2, 0x48004ffe, 0x38fa5cfc,
0x47f84403,
> >+ 0x56fc62f3, 0x52fb58f4, 0x43fc48fd, 0x59f048f8, 0x3bff45f7,
0x39044205,
> >+ 0x47fe47fc, 0x4aff3a02, 0x45ff2cfc, 0x33f93e00, 0x2afa2ffc,
0x35fa29fd,
> >+ 0x4ef74c08, 0x340953f5, 0x5afb4300, 0x48f14301, 0x50f84bfb,
0x40eb53eb,
> >+ 0x40e71ff3, 0x4b095ee3, 0x4af83f11, 0x1bfe23fb, 0x41035b0d,
0x4d0845f9,
> >+ 0x3e0342f6, 0x51ec44fd, 0x07011e00, 0x4aeb17fd, 0x7ce94210,
0xee2c2511,
> >+ 0x7feade32, 0x2a002704, 0x1d0b2207, 0x25061f08, 0x28032a07,
0x2b0d2108,
> >+ 0x2f04240d, 0x3a023703, 0x2c083c06, 0x2a0e2c0b, 0x38043007,
0x250d3404,
> >+ 0x3a133109, 0x2d0c300a, 0x21144500, 0xee233f08, 0xfd1ce721,
0x001b0a18,
> >+ 0xd434f222, 0x1113e827, 0x1d24191f, 0x0f222118, 0x4916141e,
0x1f132214,
> >+ 0x10132c1b, 0x240f240f, 0x15191c15, 0x0c1f141e, 0x2a18101b,
0x380e5d00,
> >+ 0x261a390f, 0x73e87fe8, 0x3ef752ea, 0x3b003500, 0x59f355f2,
0x5cf55ef3,
> >+ 0x64eb7fe3, 0x43f439f2, 0x4df647f5, 0x58f055eb, 0x62f168e9,
0x52f67fdb,
> >+ 0x3df830f8, 0x46f942f8, 0x4ff64bf2, 0x5cf453f7, 0x4ffc6cee,
0x4bf045ea,
> >+ 0x3a013afe, 0x53f74ef3, 0x63f351fc, 0x26fa51f3, 0x3afa3ef3,
0x49f03bfe,
> >+ 0x56f34cf6, 0x57f653f7, 0x7fea0000, 0x78e77fe7, 0x72ed7fe5,
0x76e775e9,
> >+ 0x71e875e6, 0x78e176e4, 0x5ef67cdb, 0x63f666f1, 0x7fce6af3,
0x39115cfb,
> >+ 0x5ef356fb, 0x4dfe5bf4, 0x49ff4700, 0x51f94004, 0x390f4005,
0x44004301,
> >+ 0x440143f6, 0x40024d00, 0x4efb4400, 0x3b053707, 0x360e4102,
0x3c052c0f,
> >+ 0x4cfe4602, 0x460c56ee, 0x46f44005, 0x3805370b, 0x41024500,
0x36054afa,
> >+ 0x4cfa3607, 0x4dfe52f5, 0x2a194dfe, 0xf710f311, 0xeb1bf411,
0xd829e225,
> >+ 0xd130d72a, 0xd82ee027, 0xd72ecd34, 0xed2bd934, 0xc93d0b20,
0xce3ed238,
> >+ 0xec2dbd51, 0x0f1cfe23, 0x01270122, 0x2614111e, 0x360f2d12,
0xf0244f00,
> >+ 0xef25f225, 0x0f220120, 0x19180f1d, 0x101f1622, 0x1c1f1223,
0x1c242921,
> >+ 0x3e152f1b, 0x1a131f12, 0x17181824, 0x1e18101b, 0x29161d1f,
0x3c102a16,
> >+ 0x3c0e340f, 0x7bf04e03, 0x38163515, 0x21153d19, 0x3d113213,
0x4af84efd,
> >+ 0x48f648f7, 0x47f44bee, 0x46fb3ff5, 0x48f24bef, 0x35f843f0,
0x34f73bf2,
> >+ 0xfe0944f5, 0xfc1ff61e, 0x0721ff21, 0x17250c1f, 0x4014261f,
0x25f947f7,
> >+ 0x31f52cf8, 0x3bf438f6, 0x43f73ff8, 0x4ff644fa, 0x4af84efd,
0x48f648f7,
> >+ 0x47f44bee, 0x46fb3ff5, 0x48f24bef, 0x35f843f0, 0x34f73bf2,
0xfe0944f5,
> >+ 0xfc1ff61e, 0x0721ff21, 0x17250c1f, 0x4014261f, 0x00000000,
0x00000000,
> >+ 0x3602f114, 0xf1144a03, 0x4a033602, 0x68e97fe4, 0x36ff35fa,
0x00003307,
> >+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000,
> >+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000,
> >+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000,
> >+ 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000,
> >+ 0x3f002900, 0x3f003f00, 0x560453f7, 0x48f96100, 0x3e03290d,
0x37010b00,
> >+ 0x7fef4500, 0x520066f3, 0x6beb4af9, 0x7fe17fe5, 0x5fee7fe8,
0x72eb7fe5,
> >+ 0x7bef7fe2, 0x7af073f4, 0x3ff473f5, 0x54f144fe, 0x46fd68f3,
0x5af65df8,
> >+ 0x4aff7fe2, 0x5bf961fa, 0x38fc7fec, 0x4cf952fb, 0x5df97dea,
0x4dfd57f5,
> >+ 0x3ffc47fb, 0x54f444fc, 0x41f93ef9, 0x38053d08, 0x400142fe,
0x4efe3d00,
> >+ 0x34073201, 0x2c00230a, 0x2d01260b, 0x2c052e00, 0x3301111f,
0x131c3207,
> >+ 0x3e0e2110, 0x64f16cf3, 0x5bf365f3, 0x58f65ef4, 0x56f654f0,
0x57f353f9,
> >+ 0x46015eed, 0x4afb4800, 0x66f83b12, 0x5f0064f1, 0x48024bfc,
0x47fd4bf5,
> >+ 0x45f32e0f, 0x41003e00, 0x48f12515, 0x36103909, 0x480c3e00,
0x090f0018,
> >+ 0x120d1908, 0x130d090f, 0x120c250a, 0x21141d06, 0x2d041e0f,
0x3e003a01,
> >+ 0x260c3d07, 0x270f2d0b, 0x2c0d2a0b, 0x290c2d10, 0x221e310a,
0x370a2a12,
> >+ 0x2e113311, 0xed1a5900, 0xef1aef16, 0xec1ce71e, 0xe525e921,
0xe428e921,
> >+ 0xf521ef26, 0xfa29f128, 0x11290126, 0x031bfa1e, 0xf025161a,
0xf826fc23,
> >+ 0x0325fd26, 0x002a0526, 0x16271023, 0x251b300e, 0x440c3c15,
0x47fd6102,
> >+ 0x32fb2afa, 0x3efe36fd, 0x3f013a00, 0x4aff48fe, 0x43fb5bf7,
0x27fd1bfb,
> >+ 0x2e002cfe, 0x44f840f0, 0x4dfa4ef6, 0x5cf456f6, 0x3cf637f1,
0x41fc3efa,
> >+ 0x4cf849f4, 0x58f750f9, 0x61f56eef, 0x4ff554ec, 0x4afc49fa,
0x60f356f3,
> >+ 0x75ed61f5, 0x21fb4ef8, 0x35fe30fc, 0x47f33efd, 0x56f44ff6,
0x61f25af3,
> >+ 0x5dfa0000, 0x4ff854fa, 0x47ff4200, 0x3cfe3e00, 0x4bfb3bfe,
0x3afc3efd,
> >+ 0x4fff42f7, 0x44034700, 0x3ef92c0a, 0x280e240f, 0x1d0c1b10,
0x24142c01,
> >+ 0x2a052012, 0x3e0a3001, 0x40092e11, 0x61f568f4, 0x58f960f0,
0x55f955f8,
> >+ 0x58f355f7, 0x4dfd4204, 0x4cfa4cfd, 0x4cff3a0a, 0x63f953ff,
0x5f025ff2,
> >+ 0x4afb4c00, 0x4bf54600, 0x41004401, 0x3e0349f2, 0x44ff3e04,
0x370b4bf3,
> >+ 0x460c4005, 0x1306060f, 0x0e0c1007, 0x0b0d0d12, 0x100f0f0d,
0x170d170c,
> >+ 0x1a0e140f, 0x28112c0e, 0x11182f11, 0x16191515, 0x1d161b1f,
0x320e2313,
> >+ 0x3f07390a, 0x52fc4dfe, 0x45095efd, 0xdd246df4, 0xe620de24,
0xe02ce225,
> >+ 0xf122ee22, 0xf921f128, 0x0021fb23, 0x0d210226, 0x3a0d2317,
0x001afd1d,
> >+ 0xf91f1e16, 0xfd22f123, 0xff240322, 0x0b200522, 0x0c220523,
0x1d1e0b27,
> >+ 0x271d1a22, 0x151f4213, 0x32191f1f, 0x70ec78ef, 0x55f572ee,
0x59f25cf1,
> >+ 0x51f147e6, 0x440050f2, 0x38e846f2, 0x32e844e9, 0xf3174af5,
0xf128f31a,
> >+ 0x032cf231, 0x222c062d, 0x52133621, 0x17ff4bfd, 0x2b012201,
0x37fe3600,
> >+ 0x40013d00, 0x5cf74400, 0x61f36af2, 0x5af45af1, 0x49f658ee,
0x56f24ff7,
> >+ 0x46f649f6, 0x42fb45f6, 0x3afb40f7, 0xf6153b02, 0xf81cf518,
0x031dff1c,
> >+ 0x1423091d, 0x430e241d, 0x00000000, 0x00000000
> >+};
> >+
> >+static void assemble_hw_pps(struct rkvdec2_ctx *ctx,
> >+ struct rkvdec2_h264_run *run)
> >+{
> >+ struct rkvdec2_h264_ctx *h264_ctx = ctx->priv;
> >+ const struct v4l2_ctrl_h264_sps *sps = run->sps;
> >+ const struct v4l2_ctrl_h264_pps *pps = run->pps;
> >+ const struct v4l2_ctrl_h264_decode_params *dec_params =
> >run->decode_params; + const struct v4l2_h264_dpb_entry *dpb =
> >dec_params->dpb;
> >+ struct rkvdec2_h264_priv_tbl *priv_tbl = h264_ctx->priv_tbl.cpu;
> >+ struct rkvdec2_sps_pps *hw_ps;
> >+ dma_addr_t scaling_list_address;
> >+ u32 scaling_distance;
> >+ u32 i;
> >+
> >+ /*
> >+ * HW read the SPS/PPS information from PPS packet index by PPS id.
> >+ * offset from the base can be calculated by PPS_id * 32 (size per
PPS
> >+ * packet unit). so the driver copy SPS/PPS information to the
exact PPS
> >+ * packet unit for HW accessing.
> >+ */
> >+ hw_ps = &priv_tbl->param_set[pps->pic_parameter_set_id];
> >+ memset(hw_ps, 0, sizeof(*hw_ps));
> >+
> >+ /* write sps */
> >+ hw_ps->sps.seq_parameter_set_id = 0xf;
> >+ hw_ps->sps.profile_idc = 0xff;
> >+ hw_ps->sps.constraint_set3_flag = 1;
> >+ hw_ps->sps.chroma_format_idc = sps->chroma_format_idc;
> >+ hw_ps->sps.bit_depth_luma = sps->bit_depth_luma_minus8;
> >+ hw_ps->sps.bit_depth_chroma = sps->bit_depth_chroma_minus8;
> >+ hw_ps->sps.qpprime_y_zero_transform_bypass_flag = 0;
> >+ hw_ps->sps.log2_max_frame_num_minus4 = sps-
>log2_max_frame_num_minus4;
> >+ hw_ps->sps.max_num_ref_frames = sps->max_num_ref_frames;
> >+ hw_ps->sps.pic_order_cnt_type = sps->pic_order_cnt_type;
> >+ hw_ps->sps.log2_max_pic_order_cnt_lsb_minus4 =
> >+ sps->log2_max_pic_order_cnt_lsb_minus4;
> >+ hw_ps->sps.delta_pic_order_always_zero_flag =
> >+ !!(sps->flags &
V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO);
> >+ hw_ps->sps.mvc_extension_enable = 1;
> >+ hw_ps->sps.num_views = 1;
> >+
> >+ /*
> >+ * Use the SPS values since they are already in macroblocks
> >+ * dimensions, height can be field height (halved) if
> >+ * V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY is not set and also it allows
> >+ * decoding smaller images into larger allocation which can be used
> >+ * to implementing SVC spatial layer support.
> >+ */
> >+ hw_ps->sps.pic_width_in_mbs = sps->pic_width_in_mbs_minus1 + 1;
> >+ hw_ps->sps.pic_height_in_mbs = sps->pic_height_in_map_units_minus1
+ 1;
> >+ hw_ps->sps.frame_mbs_only_flag =
> >+ !!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY);
> >+ hw_ps->sps.mb_adaptive_frame_field_flag =
> >+ !!(sps->flags &
V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD);
> >+ hw_ps->sps.direct_8x8_inference_flag =
> >+ !!(sps->flags & V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE);
> >+
> >+ /* write pps */
> >+ hw_ps->pps.pic_parameter_set_id = 0xff;
> >+ hw_ps->pps.pps_seq_parameter_set_id = 0x1f;
> >+ hw_ps->pps.entropy_coding_mode_flag =
> >+ !!(pps->flags & V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE);
> >+ hw_ps->pps.bottom_field_pic_order_in_frame_present_flag =
> >+ !!(pps->flags &
> >V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT);
> >+ hw_ps->pps.num_ref_idx_l0_default_active_minus1 =
> >+ pps->num_ref_idx_l0_default_active_minus1;
> >+ hw_ps->pps.num_ref_idx_l1_default_active_minus1 =
> >+ pps->num_ref_idx_l1_default_active_minus1;
> >+ hw_ps->pps.weighted_pred_flag =
> >+ !!(pps->flags & V4L2_H264_PPS_FLAG_WEIGHTED_PRED);
> >+ hw_ps->pps.weighted_bipred_idc = pps->weighted_bipred_idc;
> >+ hw_ps->pps.pic_init_qp_minus26 = pps->pic_init_qp_minus26;
> >+ hw_ps->pps.pic_init_qs_minus26 = pps->pic_init_qs_minus26;
> >+ hw_ps->pps.chroma_qp_index_offset = pps->chroma_qp_index_offset;
> >+ hw_ps->pps.deblocking_filter_control_present_flag =
> >+ !!(pps->flags &
V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT);
> >+ hw_ps->pps.constrained_intra_pred_flag =
> >+ !!(pps->flags &
V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED);
> >+ hw_ps->pps.redundant_pic_cnt_present =
> >+ !!(pps->flags &
V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT);
> >+ hw_ps->pps.transform_8x8_mode_flag =
> >+ !!(pps->flags & V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE);
> >+ hw_ps->pps.second_chroma_qp_index_offset =
> >pps->second_chroma_qp_index_offset; + hw_ps-
>pps.scaling_list_enable_flag
> >=
> >+ !!(pps->flags &
V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT);
> >+
> >+ /*
> >+ * To be on the safe side, program the scaling matrix address
> >+ *
> >+ * With this set here,
> >+ * RKVDEC_SWREG12_SENCODARY_EN:sw_scanlist_addr_valid_en
> >+ * can stay at 0
> >+ */
> >+ scaling_distance = offsetof(struct rkvdec2_h264_priv_tbl,
scaling_list);
> >+ scaling_list_address = h264_ctx->priv_tbl.dma + scaling_distance;
> >+ hw_ps->pps.scaling_list_address = scaling_list_address;
> >+
> >+ for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
> >+ if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)
> >+ hw_ps->pps.is_longterm |= (1 << i);
> >+ }
> >+}
> >+
> >+static void lookup_ref_buf_idx(struct rkvdec2_ctx *ctx,
> >+ struct rkvdec2_h264_run *run)
> >+{
> >+ const struct v4l2_ctrl_h264_decode_params *dec_params =
> >run->decode_params; + u32 i;
> >+
> >+ for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
> >+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
> >+ const struct v4l2_h264_dpb_entry *dpb = run-
>decode_params->dpb;
> >+ struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
> >+ struct vb2_buffer *buf = NULL;
> >+
> >+ if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE) {
> >+ buf = vb2_find_buffer(cap_q,
dpb[i].reference_ts);
> >+ if (!buf) {
> >+ dev_dbg(ctx->dev->dev, "No buffer
for reference_ts %llu",
> >+ dpb[i].reference_ts);
> >+ }
> >+ }
> >+
> >+ run->ref_buf[i] = buf;
> >+ }
> >+}
> >+
> >+static void set_dpb_info(struct rkvdec2_rps_entry *entries,
> >+ u8 reflist,
> >+ u8 refnum,
> >+ u8 info,
> >+ bool bottom)
> >+{
> >+ struct rkvdec2_rps_entry *entry = &entries[(reflist * 4) + refnum /
8];
> >+ u8 idx = refnum % 8;
> >+
> >+ switch (idx) {
> >+ case 0:
> >+ entry->dpb_info0 = info;
> >+ entry->bottom_flag0 = bottom;
> >+ break;
> >+ case 1:
> >+ entry->dpb_info1 = info;
> >+ entry->bottom_flag1 = bottom;
> >+ break;
> >+ case 2:
> >+ entry->dpb_info2 = info;
> >+ entry->bottom_flag2 = bottom;
> >+ break;
> >+ case 3:
> >+ entry->dpb_info3 = info;
> >+ entry->bottom_flag3 = bottom;
> >+ break;
> >+ case 4:
> >+ entry->dpb_info4 = info;
> >+ entry->bottom_flag4 = bottom;
> >+ break;
> >+ case 5:
> >+ entry->dpb_info5 = info;
> >+ entry->bottom_flag5 = bottom;
> >+ break;
> >+ case 6:
> >+ entry->dpb_info6 = info;
> >+ entry->bottom_flag6 = bottom;
> >+ break;
> >+ case 7:
> >+ entry->dpb_info7 = info;
> >+ entry->bottom_flag7 = bottom;
> >+ break;
> >+ }
> >+}
> >+
> >+static void assemble_hw_rps(struct rkvdec2_ctx *ctx,
> >+ struct v4l2_h264_reflist_builder *builder,
> >+ struct rkvdec2_h264_run *run)
> >+{
> >+ const struct v4l2_ctrl_h264_decode_params *dec_params =
> >run->decode_params; + const struct v4l2_h264_dpb_entry *dpb =
> >dec_params->dpb;
> >+ struct rkvdec2_h264_ctx *h264_ctx = ctx->priv;
> >+ struct rkvdec2_h264_priv_tbl *priv_tbl = h264_ctx->priv_tbl.cpu;
> >+
> >+ struct rkvdec2_rps *hw_rps = &priv_tbl->rps;
> >+ u32 i, j;
> >+
> >+ memset(hw_rps, 0, sizeof(priv_tbl->rps));
> >+
> >+ /*
> >+ * Assign an invalid pic_num if DPB entry at that position is
inactive.
> >+ * If we assign 0 in that position hardware will treat that as a
real
> >+ * reference picture with pic_num 0, triggering output picture
> >+ * corruption.
> >+ */
> >+ for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
> >+ if (!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE))
> >+ continue;
> >+
> >+ hw_rps->frame_num[i] = builder->refs[i].frame_num;
> >+ }
> >+
> >+ for (j = 0; j < RKVDEC_NUM_REFLIST; j++) {
> >+ for (i = 0; i < builder->num_valid; i++) {
> >+ struct v4l2_h264_reference *ref;
> >+ bool dpb_valid;
> >+ bool bottom;
> >+
> >+ switch (j) {
> >+ case 0:
> >+ ref = &h264_ctx->reflists.p[i];
> >+ break;
> >+ case 1:
> >+ ref = &h264_ctx->reflists.b0[i];
> >+ break;
> >+ case 2:
> >+ ref = &h264_ctx->reflists.b1[i];
> >+ break;
> >+ }
> >+
> >+ if (WARN_ON(ref->index >=
ARRAY_SIZE(dec_params->dpb)))
> >+ continue;
> >+
> >+ dpb_valid = !!(run->ref_buf[ref->index]);
> >+ bottom = ref->fields ==
V4L2_H264_BOTTOM_FIELD_REF;
> >+
> >+ set_dpb_info(hw_rps->entries, j, i, ref-
>index | (dpb_valid << 4),
> >bottom); + }
> >+ }
> >+}
> >+
> >+static void assemble_hw_scaling_list(struct rkvdec2_ctx *ctx,
> >+ struct rkvdec2_h264_run *run)
> >+{
> >+ const struct v4l2_ctrl_h264_scaling_matrix *scaling =
> >run->scaling_matrix; + const struct v4l2_ctrl_h264_pps *pps = run->pps;
> >+ struct rkvdec2_h264_ctx *h264_ctx = ctx->priv;
> >+ struct rkvdec2_h264_priv_tbl *tbl = h264_ctx->priv_tbl.cpu;
> >+
> >+ if (!(pps->flags & V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT))
> >+ return;
> >+
> >+ BUILD_BUG_ON(sizeof(tbl->scaling_list.scaling_list_4x4) !=
> >+ sizeof(scaling->scaling_list_4x4));
> >+ BUILD_BUG_ON(sizeof(tbl->scaling_list.scaling_list_8x8) !=
> >+ sizeof(scaling->scaling_list_8x8));
> >+
> >+ memcpy(tbl->scaling_list.scaling_list_4x4,
> >+ scaling->scaling_list_4x4,
> >+ sizeof(scaling->scaling_list_4x4));
> >+
> >+ memcpy(tbl->scaling_list.scaling_list_8x8,
> >+ scaling->scaling_list_8x8,
> >+ sizeof(scaling->scaling_list_8x8));
> >+}
> >+
> >+static void rkvdec2_write_regs(struct rkvdec2_ctx *ctx)
> >+{
> >+ struct rkvdec2_dev *rkvdec = ctx->dev;
> >+ struct rkvdec2_h264_ctx *h264_ctx = ctx->priv;
> >+
> >+ __iowrite32_copy_full(rkvdec->regs + OFFSET_COMMON_REGS,
> >+ &h264_ctx->regs.common,
> >+ sizeof(h264_ctx->regs.common));
> >+ __iowrite32_copy_full(rkvdec->regs + OFFSET_CODEC_PARAMS_REGS,
> >+ &h264_ctx->regs.h264_param,
> >+ sizeof(h264_ctx->regs.h264_param));
> >+ __iowrite32_copy_full(rkvdec->regs + OFFSET_COMMON_ADDR_REGS,
> >+ &h264_ctx->regs.common_addr,
> >+ sizeof(h264_ctx->regs.common_addr));
> >+ __iowrite32_copy_full(rkvdec->regs + OFFSET_CODEC_ADDR_REGS,
> >+ &h264_ctx->regs.h264_addr,
> >+ sizeof(h264_ctx->regs.h264_addr));
> >+ __iowrite32_copy_full(rkvdec->regs + OFFSET_POC_HIGHBIT_REGS,
> >+ &h264_ctx->regs.h264_highpoc,
> >+ sizeof(h264_ctx->regs.h264_highpoc));
> >+}
> >+
> >+static void config_registers(struct rkvdec2_ctx *ctx,
> >+ struct rkvdec2_h264_run *run)
> >+{
> >+ const struct v4l2_ctrl_h264_decode_params *dec_params =
> >run->decode_params; + const struct v4l2_ctrl_h264_sps *sps = run-
>sps;
> >+ const struct v4l2_h264_dpb_entry *dpb = dec_params->dpb;
> >+ struct rkvdec2_h264_ctx *h264_ctx = ctx->priv;
> >+ dma_addr_t priv_start_addr = h264_ctx->priv_tbl.dma;
> >+ const struct v4l2_pix_format_mplane *dst_fmt;
> >+ struct vb2_v4l2_buffer *src_buf = run->base.bufs.src;
> >+ struct vb2_v4l2_buffer *dst_buf = run->base.bufs.dst;
> >+ struct rkvdec2_regs_h264 *regs = &h264_ctx->regs;
> >+ const struct v4l2_format *f;
> >+ dma_addr_t rlc_addr;
> >+ dma_addr_t dst_addr;
> >+ u32 hor_virstride = 0;
> >+ u32 ver_virstride = 0;
> >+ u32 y_virstride = 0;
> >+ u32 yuv_virstride = 0;
> >+ u32 offset;
> >+ u32 pixels;
> >+ u32 i;
> >+
> >+ memset(regs, 0, sizeof(*regs));
> >+
> >+ /* Set H264 mode */
> >+ regs->common.reg009.dec_mode = RKVDEC2_MODE_H264;
> >+
> >+ /* Set config */
> >+ regs->common.reg011.buf_empty_en = 1;
> >+ regs->common.reg011.dec_clkgate_e = 1;
> >+ regs->common.reg011.dec_timeout_e = 1;
> >+ regs->common.reg011.pix_range_detection_e = 1;
> >+
> >+ /* Set IDR flag */
> >+ regs->common.reg013.cur_pic_is_idr =
> >+ !!(dec_params->flags &
V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC);
> >+
> >+ /* Set input stream length */
> >+ regs->common.reg016_str_len = vb2_get_plane_payload(&src_buf-
>vb2_buf,
> >0); +
> >+ /* Set max slice number */
> >+ regs->common.reg017.slice_num = MAX_SLICE_NUMBER;
> >+
> >+ /* Set strides */
> >+ f = &ctx->decoded_fmt;
> >+ dst_fmt = &f->fmt.pix_mp;
> >+ hor_virstride = (sps->bit_depth_luma_minus8 + 8) * dst_fmt->width /
8;
> >+ ver_virstride = round_up(dst_fmt->height, 16);
> >+ y_virstride = hor_virstride * ver_virstride;
> >+ pixels = dst_fmt->height * dst_fmt->width;
> >+
> >+ if (sps->chroma_format_idc == 0)
> >+ yuv_virstride = y_virstride;
> >+ else if (sps->chroma_format_idc == 1)
> >+ yuv_virstride += y_virstride + y_virstride / 2;
> >+ else if (sps->chroma_format_idc == 2)
> >+ yuv_virstride += 2 * y_virstride;
> >+
> >+ regs->common.reg018.y_hor_virstride = hor_virstride / 16;
> >+ regs->common.reg019.uv_hor_virstride = hor_virstride / 16;
> >+ regs->common.reg020_y_virstride.y_virstride = y_virstride / 16;
> >+
> >+ /* Activate block gating */
> >+ regs->common.reg026.swreg_block_gating_e = 0xfffef;
> >+ regs->common.reg026.reg_cfg_gating_en = 1;
> >+
> >+ /* Set timeout threshold */
> >+ if (pixels < RKVDEC2_1080P_PIXELS)
> >+ regs->common.reg032_timeout_threshold =
RKVDEC2_TIMEOUT_1080p;
> >+ else if (pixels < RKVDEC2_4K_PIXELS)
> >+ regs->common.reg032_timeout_threshold =
RKVDEC2_TIMEOUT_4K;
> >+ else if (pixels < RKVDEC2_8K_PIXELS)
> >+ regs->common.reg032_timeout_threshold =
RKVDEC2_TIMEOUT_8K;
> >+
> >+ /* Set TOP and BOTTOM POCs */
> >+ regs->h264_param.cur_top_poc = dec_params->top_field_order_cnt;
> >+ regs->h264_param.cur_bot_poc = dec_params->bottom_field_order_cnt;
> >+
> >+ /* Set ref pic address & poc */
> >+ for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
> >+ struct vb2_buffer *vb_buf = run->ref_buf[i];
> >+ dma_addr_t buf_dma;
> >+
> >+ /*
> >+ * If a DPB entry is unused or invalid, address of
current destination
> >+ * buffer is returned.
> >+ */
> >+ if (!vb_buf)
> >+ vb_buf = &dst_buf->vb2_buf;
> >+
> >+ buf_dma = vb2_dma_contig_plane_dma_addr(vb_buf, 0);
> >+
> >+ /* Set reference addresses */
> >+ regs->h264_addr.ref_base[i] = buf_dma;
> >+
> >+ /* Set COLMV addresses */
> >+ regs->h264_addr.colmv_base[i] = buf_dma + ctx-
>colmv_offset;
> >+
> >+ struct rkvdec2_h264_ref_info *ref_info =
> >+ ®s->h264_param.reg99_102_ref_info[i /
4].ref_info[i % 4];
> >+
> >+ ref_info->ref_field =
> >+ !!(dpb[i].flags &
V4L2_H264_DPB_ENTRY_FLAG_FIELD);
> >+ ref_info->ref_colmv_use_flag =
> >+ !!(dpb[i].flags &
V4L2_H264_DPB_ENTRY_FLAG_ACTIVE);
> >+ ref_info->ref_topfield_used =
> >+ !!(dpb[i].fields & V4L2_H264_TOP_FIELD_REF);
> >+ ref_info->ref_botfield_used =
> >+ !!(dpb[i].fields &
V4L2_H264_BOTTOM_FIELD_REF);
> >+
> >+ regs->h264_param.reg67_98_ref_poc[i * 2] =
> >+ dpb[i].top_field_order_cnt;
> >+ regs->h264_param.reg67_98_ref_poc[i * 2 + 1] =
> >+ dpb[i].bottom_field_order_cnt;
> >+ }
> >+
> >+ /* Set rlc base address (input stream) */
> >+ rlc_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
> >+ regs->common_addr.reg128_rlc_base = rlc_addr;
> >+ regs->common_addr.reg129_rlcwrite_base = rlc_addr;
> >+
> >+ /* Set output base address */
> >+ dst_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
> >+ regs->common_addr.reg130_decout_base = dst_addr;
> >+
> >+ /* Set colmv address */
> >+ regs->common_addr.reg131_colmv_cur_base = dst_addr + ctx-
>colmv_offset;
> >+
> >+ /* Set RCB addresses */
> >+ for (i = 0; i < RKVDEC2_RCB_COUNT; i++)
> >+ regs->common_addr.reg133_142_rcb_base[i] = ctx-
>rcb_bufs[i].dma;
> >+
> >+ /* Set hw pps address */
> >+ offset = offsetof(struct rkvdec2_h264_priv_tbl, param_set);
> >+ regs->h264_addr.pps_base = priv_start_addr + offset;
> >+
> >+ /* Set hw rps address */
> >+ offset = offsetof(struct rkvdec2_h264_priv_tbl, rps);
> >+ regs->h264_addr.rps_base = priv_start_addr + offset;
> >+
> >+ /* Set cabac table */
> >+ offset = offsetof(struct rkvdec2_h264_priv_tbl, cabac_table);
> >+ regs->h264_addr.cabactbl_base = priv_start_addr + offset;
> >+
> >+ rkvdec2_write_regs(ctx);
> >+}
> >+
> >+#define RKVDEC_H264_MAX_DEPTH_IN_BYTES 2
> >+
> >+static int rkvdec2_h264_adjust_fmt(struct rkvdec2_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 *
> >+
RKVDEC_H264_MAX_DEPTH_IN_BYTES;
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_h264_validate_sps(struct rkvdec2_ctx *ctx,
> >+ const struct
v4l2_ctrl_h264_sps *sps)
> >+{
> >+ unsigned int width, height;
> >+
> >+ /* FIXME: TBC
> >+ * TODO: The hardware supports 10-bit and 4:2:2 profiles,
> >+ * but it's currently broken in the driver.
> >+ * Reject them for now, until it's fixed.
> >+ */
> >+ if (sps->chroma_format_idc > 1)
> >+ /* Only 4:0:0 and 4:2:0 are supported */
> >+ return -EINVAL;
> >+ if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8)
> >+ /* Luma and chroma bit depth mismatch */
> >+ return -EINVAL;
> >+ if (sps->bit_depth_luma_minus8 != 0)
> >+ /* Only 8-bit is supported */
> >+ return -EINVAL;
> >+
> >+ width = (sps->pic_width_in_mbs_minus1 + 1) * 16;
> >+ height = (sps->pic_height_in_map_units_minus1 + 1) * 16;
> >+
> >+ /*
> >+ * When frame_mbs_only_flag is not set, this is field height,
> >+ * which is half the final height (see (7-18) in the
> >+ * specification)
> >+ */
> >+ if (!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY))
> >+ height *= 2;
> >+
> >+ if (width > ctx->coded_fmt.fmt.pix_mp.width ||
> >+ height > ctx->coded_fmt.fmt.pix_mp.height)
> >+ return -EINVAL;
> >+
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_h264_start(struct rkvdec2_ctx *ctx)
> >+{
> >+ struct rkvdec2_dev *rkvdec = ctx->dev;
> >+ struct rkvdec2_h264_priv_tbl *priv_tbl;
> >+ struct rkvdec2_h264_ctx *h264_ctx;
> >+ struct v4l2_ctrl *ctrl;
> >+ int ret;
> >+
> >+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
> >+ V4L2_CID_STATELESS_H264_SPS);
> >+ if (!ctrl)
> >+ return -EINVAL;
> >+
> >+ ret = rkvdec2_h264_validate_sps(ctx, ctrl->p_new.p_h264_sps);
> >+ if (ret)
> >+ return ret;
> >+
> >+ h264_ctx = kzalloc(sizeof(*h264_ctx), GFP_KERNEL);
> >+ if (!h264_ctx)
> >+ return -ENOMEM;
> >+
> >+ priv_tbl = dma_alloc_coherent(rkvdec->dev, sizeof(*priv_tbl),
> >+ &h264_ctx->priv_tbl.dma,
GFP_KERNEL);
> >+ if (!priv_tbl) {
> >+ ret = -ENOMEM;
> >+ goto err_free_ctx;
> >+ }
> >+
> >+ h264_ctx->priv_tbl.size = sizeof(*priv_tbl);
> >+ h264_ctx->priv_tbl.cpu = priv_tbl;
> >+ memcpy(priv_tbl->cabac_table, rkvdec2_h264_cabac_table,
> >+ sizeof(rkvdec2_h264_cabac_table));
> >+
> >+ ctx->priv = h264_ctx;
> >+ return 0;
> >+
> >+err_free_ctx:
> >+ kfree(h264_ctx);
> >+ return ret;
> >+}
> >+
> >+static void rkvdec2_h264_stop(struct rkvdec2_ctx *ctx)
> >+{
> >+ struct rkvdec2_h264_ctx *h264_ctx = ctx->priv;
> >+ struct rkvdec2_dev *rkvdec = ctx->dev;
> >+
> >+ dma_free_coherent(rkvdec->dev, h264_ctx->priv_tbl.size,
> >+ h264_ctx->priv_tbl.cpu, h264_ctx-
>priv_tbl.dma);
> >+ kfree(h264_ctx);
> >+}
> >+
> >+static void rkvdec2_h264_run_preamble(struct rkvdec2_ctx *ctx,
> >+ struct rkvdec2_h264_run
*run)
> >+{
> >+ struct v4l2_ctrl *ctrl;
> >+
> >+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
> >+ V4L2_CID_STATELESS_H264_DECODE_PARAMS);
> >+ run->decode_params = ctrl ? ctrl->p_cur.p : NULL;
> >+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
> >+ V4L2_CID_STATELESS_H264_SPS);
> >+ run->sps = ctrl ? ctrl->p_cur.p : NULL;
> >+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
> >+ V4L2_CID_STATELESS_H264_PPS);
> >+ run->pps = ctrl ? ctrl->p_cur.p : NULL;
> >+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
> >+
V4L2_CID_STATELESS_H264_SCALING_MATRIX);
> >+ run->scaling_matrix = ctrl ? ctrl->p_cur.p : NULL;
> >+
> >+ rkvdec2_run_preamble(ctx, &run->base);
> >+}
> >+
> >+static int rkvdec2_h264_run(struct rkvdec2_ctx *ctx)
> >+{
> >+ struct v4l2_h264_reflist_builder reflist_builder;
> >+ struct rkvdec2_dev *rkvdec = ctx->dev;
> >+ struct rkvdec2_h264_ctx *h264_ctx = ctx->priv;
> >+ struct rkvdec2_h264_run run;
> >+
> >+ rkvdec2_h264_run_preamble(ctx, &run);
> >+
> >+ /* Build the P/B{0,1} ref lists. */
> >+ v4l2_h264_init_reflist_builder(&reflist_builder, run.decode_params,
> >+ run.sps, run.decode_params-
>dpb);
> >+ v4l2_h264_build_p_ref_list(&reflist_builder, h264_ctx->reflists.p);
> >+ v4l2_h264_build_b_ref_lists(&reflist_builder, h264_ctx->reflists.b0,
> >+ h264_ctx->reflists.b1);
> >+
> >+ assemble_hw_scaling_list(ctx, &run);
> >+ assemble_hw_pps(ctx, &run);
> >+ lookup_ref_buf_idx(ctx, &run);
> >+ assemble_hw_rps(ctx, &reflist_builder, &run);
> >+
> >+ config_registers(ctx, &run);
> >+
> >+ rkvdec2_run_postamble(ctx, &run.base);
> >+
> >+ schedule_delayed_work(&rkvdec->watchdog_work,
msecs_to_jiffies(2000));
> >+
> >+ /* Start decoding! */
> >+ writel(RKVDEC2_REG_DEC_E_BIT, rkvdec->regs + RKVDEC2_REG_DEC_E);
> >+
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_h264_try_ctrl(struct rkvdec2_ctx *ctx, struct v4l2_ctrl
> >*ctrl) +{
> >+ if (ctrl->id == V4L2_CID_STATELESS_H264_SPS)
> >+ return rkvdec2_h264_validate_sps(ctx, ctrl-
>p_new.p_h264_sps);
> >+
> >+ return 0;
> >+}
> >+
> >+const struct rkvdec2_coded_fmt_ops rkvdec2_h264_fmt_ops = {
> >+ .adjust_fmt = rkvdec2_h264_adjust_fmt,
> >+ .start = rkvdec2_h264_start,
> >+ .stop = rkvdec2_h264_stop,
> >+ .run = rkvdec2_h264_run,
> >+ .try_ctrl = rkvdec2_h264_try_ctrl,
> >+};
> >diff --git a/drivers/staging/media/rkvdec2/rkvdec2-regs.h
> >b/drivers/staging/media/rkvdec2/rkvdec2-regs.h new file mode 100644
> >index 000000000000..a214597cdcdc
> >--- /dev/null
> >+++ b/drivers/staging/media/rkvdec2/rkvdec2-regs.h
> >@@ -0,0 +1,372 @@
> >+// SPDX-License-Identifier: GPL-2.0
> >+/*
> >+ * Rockchip Video Decoder 2 driver registers description
> >+ *
> >+ * Copyright (C) 2024 Collabora, Ltd.
> >+ * Detlev Casanova <detlev.casanova@...labora.com>
> >+ */
> >+
> >+#ifndef _RKVDEC_REGS_H_
> >+#define _RKVDEC_REGS_H_
> >+
> >+#define OFFSET_COMMON_REGS (8 * sizeof(u32))
> >+#define OFFSET_CODEC_PARAMS_REGS (64 * sizeof(u32))
> >+#define OFFSET_COMMON_ADDR_REGS (128 * sizeof(u32))
> >+#define OFFSET_CODEC_ADDR_REGS (160 * sizeof(u32))
> >+#define OFFSET_POC_HIGHBIT_REGS (200 * sizeof(u32))
> >+
> >+#define RKVDEC2_MODE_HEVC 0
> >+#define RKVDEC2_MODE_H264 1
> >+#define RKVDEC2_MODE_VP9 2
> >+#define RKVDEC2_MODE_AVS2 3
> >+
> >+#define MAX_SLICE_NUMBER 0x3fff
> >+
> >+#define RKVDEC2_1080P_PIXELS (1920 * 1080)
> >+#define RKVDEC2_4K_PIXELS (4096 * 2304)
> >+#define RKVDEC2_8K_PIXELS (7680 * 4320)
> >+#define RKVDEC2_TIMEOUT_1080p (0xefffff)
> >+#define RKVDEC2_TIMEOUT_4K (0x2cfffff)
> >+#define RKVDEC2_TIMEOUT_8K (0x4ffffff)
> >+
> >+#define RKVDEC2_REG_DEC_E 0x028
> >+#define RKVDEC2_REG_DEC_E_BIT 1
> >+
> >+#define RKVDEC2_REG_IMPORTANT_EN 0x02c
> >+#define RKVDEC2_REG_DEC_IRQ_DISABLE BIT(4)
> >+
> >+#define RKVDEC2_REG_STA_INT 0x380
> >+#define STA_INT_DEC_RDY_STA BIT(2)
> >+
> >+/* base: OFFSET_COMMON_REGS */
> >+struct rkvdec2_regs_common {
> >+ struct rkvdec2_in_out {
> >+ u32 in_endian : 1;
> >+ u32 in_swap32_e : 1;
> >+ u32 in_swap64_e : 1;
> >+ u32 str_endian : 1;
> >+ u32 str_swap32_e : 1;
> >+ u32 str_swap64_e : 1;
> >+ u32 out_endian : 1;
> >+ u32 out_swap32_e : 1;
> >+ u32 out_cbcr_swap : 1;
> >+ u32 out_swap64_e : 1;
> >+ u32 reserved : 22;
> >+ } reg008;
> >+
> >+ struct rkvdec2_dec_mode {
> >+ u32 dec_mode : 10;
> >+ u32 reserved : 22;
> >+ } reg009;
> >+
> >+ struct rkvdec2_dec_e {
> >+ u32 dec_e : 1;
> >+ u32 reserved : 31;
> >+ } reg010;
> >+
> >+ struct rkvdec2_important_en {
> >+ u32 reserved : 1;
> >+ u32 dec_clkgate_e : 1;
> >+ u32 dec_e_strmd_clkgate_dis : 1;
> >+ u32 reserved0 : 1;
> >+
> >+ u32 dec_irq_dis : 1;
> >+ u32 dec_timeout_e : 1;
> >+ u32 buf_empty_en : 1;
> >+ u32 reserved1 : 3;
> >+
> >+ u32 dec_e_rewrite_valid : 1;
> >+ u32 reserved2 : 9;
> >+ u32 softrst_en_p : 1;
> >+ u32 force_softreset_valid : 1;
> >+ u32 reserved3 : 2;
> >+ u32 pix_range_detection_e : 1;
> >+ u32 reserved4 : 7;
> >+ } reg011;
> >+
> >+ struct rkvdec2_sencodary_en {
> >+ u32 wr_ddr_align_en : 1;
> >+ u32 colmv_compress_en : 1;
> >+ u32 fbc_e : 1;
> >+ u32 reserved0 : 1;
> >+
> >+ u32 buspr_slot_disable : 1;
> >+ u32 error_info_en : 1;
> >+ u32 info_collect_en : 1;
> >+ u32 wait_reset_en : 1;
> >+
> >+ u32 scanlist_addr_valid_en : 1;
> >+ u32 scale_down_en : 1;
> >+ u32 error_cfg_wr_disable : 1;
> >+ u32 reserved1 : 21;
> >+ } reg012;
> >+
> >+ struct rkvdec2_en_mode_set {
> >+ u32 timeout_mode : 1;
> >+ u32 req_timeout_rst_sel : 1;
> >+ u32 reserved0 : 1;
> >+ u32 dec_commonirq_mode : 1;
> >+ u32 reserved1 : 2;
> >+ u32 stmerror_waitdecfifo_empty : 1;
> >+ u32 reserved2 : 2;
> >+ u32 h26x_streamd_error_mode : 1;
> >+ u32 reserved3 : 2;
> >+ u32 allow_not_wr_unref_bframe : 1;
> >+ u32 fbc_output_wr_disable : 1;
> >+ u32 reserved4 : 1;
> >+ u32 colmv_error_mode : 1;
> >+
> >+ u32 reserved5 : 2;
> >+ u32 h26x_error_mode : 1;
> >+ u32 reserved6 : 2;
> >+ u32 ycacherd_prior : 1;
> >+ u32 reserved7 : 2;
> >+ u32 cur_pic_is_idr : 1;
> >+ u32 reserved8 : 1;
> >+ u32 right_auto_rst_disable : 1;
> >+ u32 frame_end_err_rst_flag : 1;
> >+ u32 rd_prior_mode : 1;
> >+ u32 rd_ctrl_prior_mode : 1;
> >+ u32 reserved9 : 1;
> >+ u32 filter_outbuf_mode : 1;
> >+ } reg013;
> >+
> >+ struct rkvdec2_fbc_param_set {
> >+ u32 fbc_force_uncompress : 1;
> >+
> >+ u32 reserved0 : 2;
> >+ u32 allow_16x8_cp_flag : 1;
> >+ u32 reserved1 : 2;
> >+
> >+ u32 fbc_h264_exten_4or8_flag : 1;
> >+ u32 reserved2 : 25;
> >+ } reg014;
> >+
> >+ struct rkvdec2_stream_param_set {
> >+ u32 rlc_mode_direct_write : 1;
> >+ u32 rlc_mode : 1;
> >+ u32 reserved0 : 3;
> >+
> >+ u32 strm_start_bit : 7;
> >+ u32 reserved1 : 20;
> >+ } reg015;
> >+
> >+ u32 reg016_str_len;
> >+
> >+ struct rkvdec2_slice_number {
> >+ u32 slice_num : 25;
> >+ u32 reserved : 7;
> >+ } reg017;
> >+
> >+ struct rkvdec2_y_hor_stride {
> >+ u32 y_hor_virstride : 16;
> >+ u32 reserved : 16;
> >+ } reg018;
> >+
> >+ struct rkvdec2_uv_hor_stride {
> >+ u32 uv_hor_virstride : 16;
> >+ u32 reserved : 16;
> >+ } reg019;
> >+
> >+ union {
> >+ struct rkvdec2_y_stride {
> >+ u32 y_virstride : 28;
> >+ u32 reserved : 4;
> >+ } reg020_y_virstride;
> >+
> >+ struct rkvdec2_fbc_payload_offset {
> >+ u32 reserved : 4;
> >+ u32 payload_st_offset : 28;
> >+ } reg020_fbc_payload_off;
> >+ };
> >+
> >+ struct rkvdec2_error_ctrl_set {
> >+ u32 inter_error_prc_mode : 1;
> >+ u32 error_intra_mode : 1;
> >+ u32 error_deb_en : 1;
> >+ u32 picidx_replace : 5;
> >+ u32 error_spread_e : 1;
> >+ u32 reserved0
: 3;
> >+ u32 error_inter_pred_cross_slice : 1;
> >+ u32 reserved1
: 11;
> >+ u32 roi_error_ctu_cal_en : 1;
> >+ u32 reserved2
: 7;
> >+ } reg021;
> >+
> >+ struct rkvdec2_err_roi_ctu_offset_start {
> >+ u32 roi_x_ctu_offset_st : 12;
> >+ u32 reserved0 : 4;
> >+ u32 roi_y_ctu_offset_st : 12;
> >+ u32 reserved1 : 4;
> >+ } reg022;
> >+
> >+ struct rkvdec2_err_roi_ctu_offset_end {
> >+ u32 roi_x_ctu_offset_end : 12;
> >+ u32 reserved0 : 4;
> >+ u32 roi_y_ctu_offset_end : 12;
> >+ u32 reserved1 : 4;
> >+ } reg023;
> >+
> >+ struct rkvdec2_cabac_error_en_lowbits {
> >+ u32 cabac_err_en_lowbits : 32;
> >+ } reg024;
> >+
> >+ struct rkvdec2_cabac_error_en_highbits {
> >+ u32 cabac_err_en_highbits : 30;
> >+ u32 reserved : 2;
> >+ } reg025;
> >+
> >+ struct rkvdec2_block_gating_en {
> >+ u32 swreg_block_gating_e : 20;
> >+ u32 reserved : 11;
> >+ u32 reg_cfg_gating_en : 1;
> >+ } reg026;
> >+
> >+ /* NOTE: reg027 ~ reg032 are added in vdpu38x at rk3588 */
> >+ struct SW027_CORE_SAFE_PIXELS {
> >+ // colmv and recon report coord x safe pixels
> >+ u32 core_safe_x_pixels : 16;
> >+ // colmv and recon report coord y safe pixels
> >+ u32 core_safe_y_pixels : 16;
> >+ } reg027;
> >+
> >+ struct rkvdec2_multiply_core_ctrl {
> >+ u32 swreg_vp9_wr_prob_idx : 3;
> >+ u32 reserved0 : 1;
> >+ u32 swreg_vp9_rd_prob_idx : 3;
> >+ u32 reserved1 : 1;
> >+
> >+ u32 swreg_ref_req_advance_flag : 1;
> >+ u32 sw_colmv_req_advance_flag : 1;
> >+ u32 sw_poc_only_highbit_flag : 1;
> >+ u32 sw_poc_arb_flag : 1;
> >+
> >+ u32 reserved2 : 4;
> >+ u32 sw_film_idx : 10;
> >+ u32 reserved3 : 2;
> >+ u32 sw_pu_req_mismatch_dis : 1;
> >+ u32 sw_colmv_req_mismatch_dis : 1;
> >+ u32 reserved4 : 2;
> >+ } reg028;
> >+
> >+ struct SW029_SCALE_DOWN_CTRL {
> >+ u32 scale_down_hor_ratio : 2;
> >+ u32 reserved0 : 6;
> >+ u32 scale_down_vrz_ratio : 2;
> >+ u32 reserved1 : 22;
> >+ } reg029;
> >+
> >+ struct SW032_Y_SCALE_DOWN_TILE8x8_HOR_STRIDE {
> >+ u32 y_scale_down_hor_stride : 20;
> >+ u32 reserved0 : 12;
> >+ } reg030;
> >+
> >+ struct SW031_UV_SCALE_DOWN_TILE8x8_HOR_STRIDE {
> >+ u32 uv_scale_down_hor_stride : 20;
> >+ u32 reserved0 : 12;
> >+ } reg031;
> >+
> >+ u32 reg032_timeout_threshold;
> >+} __packed;
> >+
> >+/* base: OFFSET_COMMON_ADDR_REGS */
> >+struct rkvdec2_regs_common_addr {
> >+ u32 reg128_rlc_base;
> >+ u32 reg129_rlcwrite_base;
> >+ u32 reg130_decout_base;
> >+ u32 reg131_colmv_cur_base;
> >+ u32 reg132_error_ref_base;
> >+ u32 reg133_142_rcb_base[10];
> >+} __packed;
> >+
> >+/* base: OFFSET_CODEC_PARAMS_REGS */
> >+struct rkvdec2_regs_h264_params {
> >+ struct rkvdec2_h26x_set {
> >+ u32 h26x_frame_orslice : 1;
> >+ u32 h26x_rps_mode : 1;
> >+ u32 h26x_stream_mode : 1;
> >+ u32 h26x_stream_lastpacket : 1;
> >+ u32 h264_firstslice_flag : 1;
> >+ u32 reserved : 27;
> >+ } reg64;
> >+
> >+ u32 cur_top_poc;
> >+ u32 cur_bot_poc;
> >+ u32 reg67_98_ref_poc[32];
> >+
> >+ /* Regs 99 - 102 */
> >+ struct rkvdec2_h264_info {
> >+ struct rkvdec2_h264_ref_info {
> >+ u32 ref_field : 1;
> >+ u32 ref_topfield_used : 1;
> >+ u32 ref_botfield_used : 1;
> >+ u32 ref_colmv_use_flag : 1;
> >+ u32 ref_reserved : 4;
> >+ } __packed ref_info[4];
> >+ } __packed reg99_102_ref_info[4];
> >+
> >+ u32 reserved_103_111[9];
> >+
> >+ struct rkvdec2_error_ref_info {
> >+ u32 avs2_ref_error_field : 1;
> >+ u32 avs2_ref_error_topfield : 1;
> >+ u32 ref_error_topfield_used : 1;
> >+ u32 ref_error_botfield_used : 1;
> >+ u32 reserved : 28;
> >+ } reg112;
> >+} __packed;
> >+
> >+/* base: OFFSET_CODEC_ADDR_REGS */
> >+struct rkvdec2_regs_h264_addr {
> >+ /* SWREG160 */
> >+ u32 reg160_no_use;
> >+
> >+ /* SWREG161 */
> >+ u32 pps_base;
> >+
> >+ /* SWREG162 */
> >+ u32 reg162_no_use;
> >+
> >+ /* SWREG163 */
> >+ u32 rps_base;
> >+
> >+ /* SWREG164~179 */
> >+ u32 ref_base[16];
> >+
> >+ /* SWREG180 */
> >+ u32 scanlist_addr;
> >+
> >+ /* SWREG181~196 */
> >+ u32 colmv_base[16];
> >+
> >+ /* SWREG197 */
> >+ u32 cabactbl_base;
> >+} __packed;
> >+
> >+struct rkvdec2_regs_h264_highpoc {
> >+ /* SWREG200 */
> >+ struct rkvdec2_ref_poc_highbit {
> >+ u32 ref0_poc_highbit : 4;
> >+ u32 ref1_poc_highbit : 4;
> >+ u32 ref2_poc_highbit : 4;
> >+ u32 ref3_poc_highbit : 4;
> >+ u32 ref4_poc_highbit : 4;
> >+ u32 ref5_poc_highbit : 4;
> >+ u32 ref6_poc_highbit : 4;
> >+ u32 ref7_poc_highbit : 4;
> >+ } reg200[4];
> >+ struct rkvdec2_cur_poc_highbit {
> >+ u32 cur_poc_highbit : 4;
> >+ u32 reserved : 28;
> >+ } reg204;
> >+} __packed;
> >+
> >+struct rkvdec2_regs_h264 {
> >+ struct rkvdec2_regs_common common;
> >+ struct rkvdec2_regs_h264_params h264_param;
> >+ struct rkvdec2_regs_common_addr common_addr;
> >+ struct rkvdec2_regs_h264_addr h264_addr;
> >+ struct rkvdec2_regs_h264_highpoc h264_highpoc;
> >+} __packed;
> >+
> >+#endif /* __RKVDEC_REGS_H__ */
> >diff --git a/drivers/staging/media/rkvdec2/rkvdec2.c
> >b/drivers/staging/media/rkvdec2/rkvdec2.c new file mode 100644
> >index 000000000000..db37fdbfc366
> >--- /dev/null
> >+++ b/drivers/staging/media/rkvdec2/rkvdec2.c
> >@@ -0,0 +1,1160 @@
> >+/* SPDX-License-Identifier: GPL-2.0 */
> >+/*
> >+ * Rockchip Video Decoder 2 driver
> >+ *
> >+ * Copyright (C) 2024 Collabora, Ltd.
> >+ * Detlev Casanova <detlev.casanova@...labora.com>
> >+ *
> >+ * Based on rkvdec driver by Boris Brezillon
> ><boris.brezillon@...labora.com> + */
> >+
> >+#include <linux/clk.h>
> >+#include <linux/interrupt.h>
> >+#include <linux/module.h>
> >+#include <linux/of.h>
> >+#include <linux/platform_device.h>
> >+#include <linux/pm.h>
> >+#include <linux/pm_runtime.h>
> >+#include <linux/slab.h>
> >+#include <linux/videodev2.h>
> >+#include <linux/workqueue.h>
> >+#include <media/v4l2-event.h>
> >+#include <media/v4l2-mem2mem.h>
> >+#include <media/videobuf2-core.h>
> >+#include <media/videobuf2-vmalloc.h>
> >+
> >+#include "rkvdec2.h"
> >+
> >+static int rkvdec2_try_ctrl(struct v4l2_ctrl *ctrl)
> >+{
> >+ struct rkvdec2_ctx *ctx = container_of(ctrl->handler, struct
rkvdec2_ctx,
> >ctrl_hdl); + const struct rkvdec2_coded_fmt_desc *desc =
> >ctx->coded_fmt_desc; +
> >+ if (desc->ops->try_ctrl)
> >+ return desc->ops->try_ctrl(ctx, ctrl);
> >+
> >+ return 0;
> >+}
> >+
> >+static const struct v4l2_ctrl_ops rkvdec2_ctrl_ops = {
> >+ .try_ctrl = rkvdec2_try_ctrl,
> >+};
> >+
> >+static const struct rkvdec2_ctrl_desc rkvdec2_h264_ctrl_descs[] = {
> >+ {
> >+ .cfg.id = V4L2_CID_STATELESS_H264_DECODE_PARAMS,
> >+ },
> >+ {
> >+ .cfg.id = V4L2_CID_STATELESS_H264_SPS,
> >+ .cfg.ops = &rkvdec2_ctrl_ops,
> >+ },
> >+ {
> >+ .cfg.id = V4L2_CID_STATELESS_H264_PPS,
> >+ },
> >+ {
> >+ .cfg.id = V4L2_CID_STATELESS_H264_SCALING_MATRIX,
> >+ },
> >+ {
> >+ .cfg.id = V4L2_CID_STATELESS_H264_DECODE_MODE,
> >+ .cfg.min = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
> >+ .cfg.max = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
> >+ .cfg.def = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
> >+ },
> >+ {
> >+ .cfg.id = V4L2_CID_STATELESS_H264_START_CODE,
> >+ .cfg.min = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
> >+ .cfg.def = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
> >+ .cfg.max = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
> >+ },
> >+ {
> >+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_PROFILE,
> >+ .cfg.min = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE,
> >+ .cfg.max = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10,
> >+ .cfg.menu_skip_mask =
> >+ BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
> >+ .cfg.def = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN,
> >+ },
> >+ {
> >+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_LEVEL,
> >+ .cfg.min = V4L2_MPEG_VIDEO_H264_LEVEL_1_0,
> >+ .cfg.max = V4L2_MPEG_VIDEO_H264_LEVEL_6_0,
> >+ },
> >+};
> >+
> >+static const struct rkvdec2_ctrls rkvdec2_h264_ctrls = {
> >+ .ctrls = rkvdec2_h264_ctrl_descs,
> >+ .num_ctrls = ARRAY_SIZE(rkvdec2_h264_ctrl_descs),
> >+};
> >+
> >+static const u32 rkvdec2_h264_decoded_fmts[] = {
> >+ V4L2_PIX_FMT_NV12
> >+};
> >+
> >+static const struct rkvdec2_coded_fmt_desc rkvdec2_coded_fmts[] = {
> >+ {
> >+ .fourcc = V4L2_PIX_FMT_H264_SLICE,
> >+ .frmsize = {
> >+ .min_width = 16,
> >+ .max_width = 65520,
> >+ .step_width = 16,
> >+ .min_height = 16,
> >+ .max_height = 65520,
> >+ .step_height = 16,
> >+ },
> >+ .ctrls = &rkvdec2_h264_ctrls,
> >+ .ops = &rkvdec2_h264_fmt_ops,
> >+ .num_decoded_fmts =
ARRAY_SIZE(rkvdec2_h264_decoded_fmts),
> >+ .decoded_fmts = rkvdec2_h264_decoded_fmts,
> >+ .subsystem_flags =
VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF,
> >+ },
> >+};
> >+
> >+enum rcb_axis {
> >+ PIC_WIDTH = 0,
> >+ PIC_HEIGHT = 1
> >+};
> >+
> >+struct rcb_size_info {
> >+ u8 multiplier;
> >+ enum rcb_axis axis;
> >+};
> >+
> >+static struct rcb_size_info rcb_sizes[] = {
> >+ {6, PIC_WIDTH}, // intrar
> >+ {1, PIC_WIDTH}, // transdr (Is actually 0.4*pic_width)
> >+ {1, PIC_HEIGHT}, // transdc (Is actually
0.1*pic_height)
> >+ {3, PIC_WIDTH}, // streamdr
> >+ {6, PIC_WIDTH}, // interr
> >+ {3, PIC_HEIGHT}, // interc
> >+ {22, PIC_WIDTH}, // dblkr
> >+ {6, PIC_WIDTH}, // saor
> >+ {11, PIC_WIDTH}, // fbcr
> >+ {67, PIC_HEIGHT}, // filtc col
> >+};
> >+
> >+#define RCB_SIZE(n) (rcb_sizes[(n)].multiplier * (rcb_sizes[(n)].axis ?
> >height : width)) +
> >+static const struct rkvdec2_coded_fmt_desc *
> >+rkvdec2_find_coded_fmt_desc(u32 fourcc)
> >+{
> >+ unsigned int i;
> >+
> >+ for (i = 0; i < ARRAY_SIZE(rkvdec2_coded_fmts); i++) {
> >+ if (rkvdec2_coded_fmts[i].fourcc == fourcc)
> >+ return &rkvdec2_coded_fmts[i];
> >+ }
> >+
> >+ return NULL;
> >+}
> >+
> >+static void rkvdec2_reset_fmt(struct rkvdec2_ctx *ctx, struct v4l2_format
> >*f, + u32 fourcc)
> >+{
> >+ memset(f, 0, sizeof(*f));
> >+ f->fmt.pix_mp.pixelformat = fourcc;
> >+ f->fmt.pix_mp.field = V4L2_FIELD_NONE;
> >+ f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
> >+ f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
> >+ f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
> >+ f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
> >+}
> >+
> >+static void rkvdec2_reset_coded_fmt(struct rkvdec2_ctx *ctx)
> >+{
> >+ struct v4l2_format *f = &ctx->coded_fmt;
> >+
> >+ ctx->coded_fmt_desc = &rkvdec2_coded_fmts[0];
> >+ rkvdec2_reset_fmt(ctx, f, ctx->coded_fmt_desc->fourcc);
> >+
> >+ f->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
> >+ f->fmt.pix_mp.width = ctx->coded_fmt_desc->frmsize.min_width;
> >+ f->fmt.pix_mp.height = ctx->coded_fmt_desc->frmsize.min_height;
> >+
> >+ if (ctx->coded_fmt_desc->ops->adjust_fmt)
> >+ ctx->coded_fmt_desc->ops->adjust_fmt(ctx, f);
> >+}
> >+
> >+static void rkvdec2_reset_decoded_fmt(struct rkvdec2_ctx *ctx)
> >+{
> >+ struct v4l2_format *f = &ctx->decoded_fmt;
> >+
> >+ rkvdec2_reset_fmt(ctx, f, ctx->coded_fmt_desc->decoded_fmts[0]);
> >+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
> >+ v4l2_fill_pixfmt_mp(&f->fmt.pix_mp,
> >+ ctx->coded_fmt_desc->decoded_fmts[0],
> >+ ctx->coded_fmt.fmt.pix_mp.width,
> >+ ctx->coded_fmt.fmt.pix_mp.height);
> >+
> >+ ctx->colmv_offset = f->fmt.pix_mp.plane_fmt[0].sizeimage;
> >+
> >+ f->fmt.pix_mp.plane_fmt[0].sizeimage += 128 *
> >+ DIV_ROUND_UP(f->fmt.pix_mp.width, 16) *
> >+ DIV_ROUND_UP(f->fmt.pix_mp.height, 16);
> >+}
> >+
> >+static int rkvdec2_enum_framesizes(struct file *file, void *priv,
> >+ struct v4l2_frmsizeenum *fsize)
> >+{
> >+ const struct rkvdec2_coded_fmt_desc *fmt;
> >+
> >+ if (fsize->index != 0)
> >+ return -EINVAL;
> >+
> >+ fmt = rkvdec2_find_coded_fmt_desc(fsize->pixel_format);
> >+ if (!fmt)
> >+ return -EINVAL;
> >+
> >+ fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
> >+ fsize->stepwise = fmt->frmsize;
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_querycap(struct file *file, void *priv,
> >+ struct v4l2_capability *cap)
> >+{
> >+ struct rkvdec2_dev *rkvdec = video_drvdata(file);
> >+ struct video_device *vdev = video_devdata(file);
> >+
> >+ strscpy(cap->driver, rkvdec->dev->driver->name,
> >+ sizeof(cap->driver));
> >+ strscpy(cap->card, vdev->name, sizeof(cap->card));
> >+ snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
> >+ rkvdec->dev->driver->name);
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_try_capture_fmt(struct file *file, void *priv,
> >+ struct v4l2_format *f)
> >+{
> >+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(priv);
> >+ const struct rkvdec2_coded_fmt_desc *coded_desc;
> >+ unsigned int i;
> >+
> >+ /*
> >+ * The codec context should point to a coded format desc, if the
format
> >+ * on the coded end has not been set yet, it should point to the
> >+ * default value.
> >+ */
> >+ coded_desc = ctx->coded_fmt_desc;
> >+ if (WARN_ON(!coded_desc))
> >+ return -EINVAL;
> >+
> >+ for (i = 0; i < coded_desc->num_decoded_fmts; i++) {
> >+ if (coded_desc->decoded_fmts[i] == pix_mp->pixelformat)
> >+ break;
> >+ }
> >+
> >+ if (i == coded_desc->num_decoded_fmts)
> >+ pix_mp->pixelformat = coded_desc->decoded_fmts[0];
> >+
> >+ /* Always apply the frmsize constraint of the coded end. */
> >+ pix_mp->width = max(pix_mp->width, ctx-
>coded_fmt.fmt.pix_mp.width);
> >+ pix_mp->height = max(pix_mp->height, ctx-
>coded_fmt.fmt.pix_mp.height);
> >+ v4l2_apply_frmsize_constraints(&pix_mp->width,
> >+ &pix_mp->height,
> >+ &coded_desc->frmsize);
> >+
> >+ v4l2_fill_pixfmt_mp(pix_mp, pix_mp->pixelformat,
> >+ pix_mp->width, pix_mp->height);
> >+
> >+ pix_mp->plane_fmt[0].sizeimage +=
> >+ 128 *
> >+ DIV_ROUND_UP(pix_mp->width, 16) *
> >+ DIV_ROUND_UP(pix_mp->height, 16);
> >+
> >+ pix_mp->field = V4L2_FIELD_NONE;
> >+
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_try_output_fmt(struct file *file, void *priv,
> >+ struct v4l2_format *f)
> >+{
> >+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(priv);
> >+ const struct rkvdec2_coded_fmt_desc *desc;
> >+
> >+ desc = rkvdec2_find_coded_fmt_desc(pix_mp->pixelformat);
> >+ if (!desc) {
> >+ pix_mp->pixelformat = rkvdec2_coded_fmts[0].fourcc;
> >+ desc = &rkvdec2_coded_fmts[0];
> >+ }
> >+
> >+ v4l2_apply_frmsize_constraints(&pix_mp->width,
> >+ &pix_mp->height,
> >+ &desc->frmsize);
> >+
> >+ pix_mp->field = V4L2_FIELD_NONE;
> >+ /* All coded formats are considered single planar for now. */
> >+ pix_mp->num_planes = 1;
> >+
> >+ if (desc->ops->adjust_fmt) {
> >+ int ret;
> >+
> >+ ret = desc->ops->adjust_fmt(ctx, f);
> >+ if (ret)
> >+ return ret;
> >+ }
> >+
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_s_capture_fmt(struct file *file, void *priv,
> >+ struct v4l2_format *f)
> >+{
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(priv);
> >+ struct vb2_queue *vq;
> >+ int ret;
> >+
> >+ /* Change not allowed if queue is busy */
> >+ vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
> >+ V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
> >+ if (vb2_is_busy(vq))
> >+ return -EBUSY;
> >+
> >+ ret = rkvdec2_try_capture_fmt(file, priv, f);
> >+ if (ret)
> >+ return ret;
> >+
> >+ ctx->decoded_fmt = *f;
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_s_output_fmt(struct file *file, void *priv,
> >+ struct v4l2_format *f)
> >+{
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(priv);
> >+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
> >+ const struct rkvdec2_coded_fmt_desc *desc;
> >+ struct v4l2_format *cap_fmt;
> >+ struct vb2_queue *peer_vq, *vq;
> >+ int ret;
> >+
> >+ /*
> >+ * In order to support dynamic resolution change, the decoder
admits
> >+ * a resolution change, as long as the pixelformat remains. Can't
be
> >+ * done if streaming.
> >+ */
> >+ vq = v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
> >+ if (vb2_is_streaming(vq) ||
> >+ (vb2_is_busy(vq) &&
> >+ f->fmt.pix_mp.pixelformat != ctx-
>coded_fmt.fmt.pix_mp.pixelformat))
> >+ return -EBUSY;
> >+
> >+ /*
> >+ * Since format change on the OUTPUT queue will reset the CAPTURE
> >+ * queue, we can't allow doing so when the CAPTURE queue has buffers
> >+ * allocated.
> >+ */
> >+ peer_vq = v4l2_m2m_get_vq(m2m_ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
> >+ if (vb2_is_busy(peer_vq))
> >+ return -EBUSY;
> >+
> >+ ret = rkvdec2_try_output_fmt(file, priv, f);
> >+ if (ret)
> >+ return ret;
> >+
> >+ desc = rkvdec2_find_coded_fmt_desc(f->fmt.pix_mp.pixelformat);
> >+ if (!desc)
> >+ return -EINVAL;
> >+ ctx->coded_fmt_desc = desc;
> >+ ctx->coded_fmt = *f;
> >+
> >+ /*
> >+ * Current decoded format might have become invalid with newly
> >+ * selected codec, so reset it to default just to be safe and
> >+ * keep internal driver state sane. User is mandated to set
> >+ * the decoded format again after we return, so we don't need
> >+ * anything smarter.
> >+ *
> >+ * Note that this will propagate any size changes to the decoded
format.
> >+ */
> >+ rkvdec2_reset_decoded_fmt(ctx);
> >+
> >+ /* Propagate colorspace information to capture. */
> >+ cap_fmt = &ctx->decoded_fmt;
> >+ cap_fmt->fmt.pix_mp.colorspace = f->fmt.pix_mp.colorspace;
> >+ cap_fmt->fmt.pix_mp.xfer_func = f->fmt.pix_mp.xfer_func;
> >+ cap_fmt->fmt.pix_mp.ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
> >+ cap_fmt->fmt.pix_mp.quantization = f->fmt.pix_mp.quantization;
> >+
> >+ /* Enable format specific queue features */
> >+ vq->subsystem_flags |= desc->subsystem_flags;
> >+
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_g_output_fmt(struct file *file, void *priv,
> >+ struct v4l2_format *f)
> >+{
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(priv);
> >+
> >+ *f = ctx->coded_fmt;
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_g_capture_fmt(struct file *file, void *priv,
> >+ struct v4l2_format *f)
> >+{
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(priv);
> >+
> >+ *f = ctx->decoded_fmt;
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_enum_output_fmt(struct file *file, void *priv,
> >+ struct v4l2_fmtdesc *f)
> >+{
> >+ if (f->index >= ARRAY_SIZE(rkvdec2_coded_fmts))
> >+ return -EINVAL;
> >+
> >+ f->pixelformat = rkvdec2_coded_fmts[f->index].fourcc;
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_enum_capture_fmt(struct file *file, void *priv,
> >+ struct v4l2_fmtdesc *f)
> >+{
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(priv);
> >+
> >+ if (WARN_ON(!ctx->coded_fmt_desc))
> >+ return -EINVAL;
> >+
> >+ if (f->index >= ctx->coded_fmt_desc->num_decoded_fmts)
> >+ return -EINVAL;
> >+
> >+ f->pixelformat = ctx->coded_fmt_desc->decoded_fmts[f->index];
> >+ return 0;
> >+}
> >+
> >+static const struct v4l2_ioctl_ops rkvdec2_ioctl_ops = {
> >+ .vidioc_querycap = rkvdec2_querycap,
> >+ .vidioc_enum_framesizes = rkvdec2_enum_framesizes,
> >+
> >+ .vidioc_try_fmt_vid_cap_mplane = rkvdec2_try_capture_fmt,
> >+ .vidioc_try_fmt_vid_out_mplane = rkvdec2_try_output_fmt,
> >+ .vidioc_s_fmt_vid_out_mplane = rkvdec2_s_output_fmt,
> >+ .vidioc_s_fmt_vid_cap_mplane = rkvdec2_s_capture_fmt,
> >+ .vidioc_g_fmt_vid_out_mplane = rkvdec2_g_output_fmt,
> >+ .vidioc_g_fmt_vid_cap_mplane = rkvdec2_g_capture_fmt,
> >+ .vidioc_enum_fmt_vid_out = rkvdec2_enum_output_fmt,
> >+ .vidioc_enum_fmt_vid_cap = rkvdec2_enum_capture_fmt,
> >+
> >+ .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
> >+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
> >+ .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
> >+ .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
> >+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
> >+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
> >+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
> >+
> >+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
> >+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
> >+
> >+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
> >+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
> >+
> >+ .vidioc_decoder_cmd = v4l2_m2m_ioctl_stateless_decoder_cmd,
> >+ .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_stateless_try_decoder_cmd,
> >+};
> >+
> >+static int rkvdec2_queue_setup(struct vb2_queue *vq, unsigned int
> >*num_buffers, + unsigned int *num_planes,
unsigned int sizes[],
> >+ struct device *alloc_devs[])
> >+{
> >+ struct rkvdec2_ctx *ctx = vb2_get_drv_priv(vq);
> >+ struct v4l2_format *f;
> >+ unsigned int i;
> >+
> >+ if (V4L2_TYPE_IS_OUTPUT(vq->type))
> >+ f = &ctx->coded_fmt;
> >+ else
> >+ f = &ctx->decoded_fmt;
> >+
> >+ if (*num_planes) {
> >+ if (*num_planes != f->fmt.pix_mp.num_planes)
> >+ return -EINVAL;
> >+
> >+ for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
> >+ if (sizes[i] < f-
>fmt.pix_mp.plane_fmt[i].sizeimage)
> >+ return -EINVAL;
> >+ }
> >+ } else {
> >+ *num_planes = f->fmt.pix_mp.num_planes;
> >+ for (i = 0; i < f->fmt.pix_mp.num_planes; i++)
> >+ sizes[i] = f-
>fmt.pix_mp.plane_fmt[i].sizeimage;
> >+ }
> >+
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_buf_prepare(struct vb2_buffer *vb)
> >+{
> >+ struct vb2_queue *vq = vb->vb2_queue;
> >+ struct rkvdec2_ctx *ctx = vb2_get_drv_priv(vq);
> >+ struct v4l2_format *f;
> >+ unsigned int i;
> >+
> >+ if (V4L2_TYPE_IS_OUTPUT(vq->type))
> >+ f = &ctx->coded_fmt;
> >+ else
> >+ f = &ctx->decoded_fmt;
> >+
> >+ for (i = 0; i < f->fmt.pix_mp.num_planes; ++i) {
> >+ u32 sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage;
> >+
> >+ if (vb2_plane_size(vb, i) < sizeimage)
> >+ return -EINVAL;
> >+ }
> >+
> >+ /*
> >+ * Buffer's bytesused must be written by driver for CAPTURE buffers.
> >+ * (for OUTPUT buffers, if userspace passes 0 bytesused, v4l2-core
sets
> >+ * it to buffer length).
> >+ */
> >+ if (V4L2_TYPE_IS_CAPTURE(vq->type))
> >+ vb2_set_plane_payload(vb, 0, f-
>fmt.pix_mp.plane_fmt[0].sizeimage);
> >+
> >+ return 0;
> >+}
> >+
> >+static void rkvdec2_buf_queue(struct vb2_buffer *vb)
> >+{
> >+ struct rkvdec2_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
> >+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
> >+
> >+ v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
> >+}
> >+
> >+static int rkvdec2_buf_out_validate(struct vb2_buffer *vb)
> >+{
> >+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
> >+
> >+ vbuf->field = V4L2_FIELD_NONE;
> >+ return 0;
> >+}
> >+
> >+static void rkvdec2_buf_request_complete(struct vb2_buffer *vb)
> >+{
> >+ struct rkvdec2_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
> >+
> >+ v4l2_ctrl_request_complete(vb->req_obj.req, &ctx->ctrl_hdl);
> >+}
> >+
> >+static int rkvdec2_start_streaming(struct vb2_queue *q, unsigned int
> >count) +{
> >+ struct rkvdec2_ctx *ctx = vb2_get_drv_priv(q);
> >+ const struct rkvdec2_coded_fmt_desc *desc;
> >+ int ret, i;
> >+ u32 width, height;
> >+
> >+ if (V4L2_TYPE_IS_CAPTURE(q->type))
> >+ return 0;
> >+
> >+ desc = ctx->coded_fmt_desc;
> >+ if (WARN_ON(!desc))
> >+ return -EINVAL;
> >+
> >+ width = ctx->decoded_fmt.fmt.pix_mp.width;
> >+ height = ctx->decoded_fmt.fmt.pix_mp.height;
> >+ for (i = 0; i < RKVDEC2_RCB_COUNT; i++) {
> >+ ctx->rcb_bufs[i].cpu =
> >+ dma_alloc_coherent(ctx->dev->dev,
> >+ RCB_SIZE(i),
> >+ &ctx-
>rcb_bufs[i].dma,
> >+ GFP_KERNEL);
> >+ if (!ctx->rcb_bufs[i].cpu) {
> >+ ret = -ENOMEM;
> >+ goto err_rcb;
> >+ }
> >+ }
> >+
> >+ if (desc->ops->start) {
> >+ ret = desc->ops->start(ctx);
> >+ if (ret)
> >+ goto err_ops_start;
> >+ }
> >+
> >+ return 0;
> >+
> >+err_ops_start:
> >+err_rcb:
> >+ i--;
> >+ while (i) {
> >+ dma_free_coherent(ctx->dev->dev,
> >+ RCB_SIZE(i),
> >+ ctx->rcb_bufs[i].cpu,
> >+ ctx->rcb_bufs[i].dma);
> >+ i--;
> >+ }
> >+
> >+ return ret;
> >+}
> >+
> >+static void rkvdec2_queue_cleanup(struct vb2_queue *vq, u32 state)
> >+{
> >+ struct rkvdec2_ctx *ctx = vb2_get_drv_priv(vq);
> >+
> >+ while (true) {
> >+ struct vb2_v4l2_buffer *vbuf;
> >+
> >+ if (V4L2_TYPE_IS_OUTPUT(vq->type))
> >+ vbuf = v4l2_m2m_src_buf_remove(ctx-
>fh.m2m_ctx);
> >+ else
> >+ vbuf = v4l2_m2m_dst_buf_remove(ctx-
>fh.m2m_ctx);
> >+
> >+ if (!vbuf)
> >+ break;
> >+
> >+ v4l2_ctrl_request_complete(vbuf->vb2_buf.req_obj.req,
> >+ &ctx->ctrl_hdl);
> >+ v4l2_m2m_buf_done(vbuf, state);
> >+ }
> >+}
> >+
> >+static void rkvdec2_stop_streaming(struct vb2_queue *q)
> >+{
> >+ struct rkvdec2_ctx *ctx = vb2_get_drv_priv(q);
> >+ int i;
> >+
> >+ if (V4L2_TYPE_IS_OUTPUT(q->type)) {
> >+ const struct rkvdec2_coded_fmt_desc *desc = ctx-
>coded_fmt_desc;
> >+
> >+ if (WARN_ON(!desc))
> >+ return;
> >+
> >+ if (desc->ops->stop)
> >+ desc->ops->stop(ctx);
> >+ } else {
> >+ u32 width = ctx->decoded_fmt.fmt.pix_mp.width;
> >+ u32 height = ctx->decoded_fmt.fmt.pix_mp.height;
> >+
> >+ for (i = 0; i < RKVDEC2_RCB_COUNT; i++) {
> >+ dma_free_coherent(ctx->dev->dev,
> >+ RCB_SIZE(i),
> >+ ctx->rcb_bufs[i].cpu,
> >+ ctx-
>rcb_bufs[i].dma);
> >+ }
> >+ }
> >+
> >+ rkvdec2_queue_cleanup(q, VB2_BUF_STATE_ERROR);
> >+}
> >+
> >+static const struct vb2_ops rkvdec2_queue_ops = {
> >+ .queue_setup = rkvdec2_queue_setup,
> >+ .buf_prepare = rkvdec2_buf_prepare,
> >+ .buf_queue = rkvdec2_buf_queue,
> >+ .buf_out_validate = rkvdec2_buf_out_validate,
> >+ .buf_request_complete = rkvdec2_buf_request_complete,
> >+ .start_streaming = rkvdec2_start_streaming,
> >+ .stop_streaming = rkvdec2_stop_streaming,
> >+ .wait_prepare = vb2_ops_wait_prepare,
> >+ .wait_finish = vb2_ops_wait_finish,
> >+};
> >+
> >+static int rkvdec2_request_validate(struct media_request *req)
> >+{
> >+ unsigned int count;
> >+
> >+ count = vb2_request_buffer_cnt(req);
> >+ if (!count)
> >+ return -ENOENT;
> >+ else if (count > 1)
> >+ return -EINVAL;
> >+
> >+ return vb2_request_validate(req);
> >+}
> >+
> >+static const struct media_device_ops rkvdec2_media_ops = {
> >+ .req_validate = rkvdec2_request_validate,
> >+ .req_queue = v4l2_m2m_request_queue,
> >+};
> >+
> >+static void rkvdec2_job_finish_no_pm(struct rkvdec2_ctx *ctx,
> >+ enum vb2_buffer_state result)
> >+{
> >+ if (ctx->coded_fmt_desc->ops->done) {
> >+ struct vb2_v4l2_buffer *src_buf, *dst_buf;
> >+
> >+ src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
> >+ dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
> >+ ctx->coded_fmt_desc->ops->done(ctx, src_buf, dst_buf,
result);
> >+ }
> >+
> >+ v4l2_m2m_buf_done_and_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx,
> >+ result);
> >+}
> >+
> >+static void rkvdec2_job_finish(struct rkvdec2_ctx *ctx,
> >+ enum vb2_buffer_state result)
> >+{
> >+ struct rkvdec2_dev *rkvdec = ctx->dev;
> >+
> >+ pm_runtime_mark_last_busy(rkvdec->dev);
> >+ pm_runtime_put_autosuspend(rkvdec->dev);
> >+ rkvdec2_job_finish_no_pm(ctx, result);
> >+}
> >+
> >+void rkvdec2_run_preamble(struct rkvdec2_ctx *ctx, struct rkvdec2_run
> >*run) +{
> >+ struct media_request *src_req;
> >+
> >+ memset(run, 0, sizeof(*run));
> >+
> >+ run->bufs.src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
> >+ run->bufs.dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
> >+
> >+ /* Apply request(s) controls if needed. */
> >+ src_req = run->bufs.src->vb2_buf.req_obj.req;
> >+ if (src_req)
> >+ v4l2_ctrl_request_setup(src_req, &ctx->ctrl_hdl);
> >+
> >+ v4l2_m2m_buf_copy_metadata(run->bufs.src, run->bufs.dst, true);
> >+}
> >+
> >+void rkvdec2_run_postamble(struct rkvdec2_ctx *ctx, struct rkvdec2_run
> >*run) +{
> >+ struct media_request *src_req = run->bufs.src->vb2_buf.req_obj.req;
> >+
> >+ if (src_req)
> >+ v4l2_ctrl_request_complete(src_req, &ctx->ctrl_hdl);
> >+}
> >+
> >+static void rkvdec2_device_run(void *priv)
> >+{
> >+ struct rkvdec2_ctx *ctx = priv;
> >+ struct rkvdec2_dev *rkvdec = ctx->dev;
> >+ const struct rkvdec2_coded_fmt_desc *desc = ctx->coded_fmt_desc;
> >+ int ret;
> >+
> >+ if (WARN_ON(!desc))
> >+ return;
> >+
> >+ ret = pm_runtime_resume_and_get(rkvdec->dev);
> >+ if (ret < 0) {
> >+ rkvdec2_job_finish_no_pm(ctx, VB2_BUF_STATE_ERROR);
> >+ return;
> >+ }
> >+
> >+ ret = desc->ops->run(ctx);
> >+ if (ret)
> >+ rkvdec2_job_finish(ctx, VB2_BUF_STATE_ERROR);
> >+}
> >+
> >+static const struct v4l2_m2m_ops rkvdec2_m2m_ops = {
> >+ .device_run = rkvdec2_device_run,
> >+};
> >+
> >+static int rkvdec2_queue_init(void *priv,
> >+ struct vb2_queue *src_vq,
> >+ struct vb2_queue *dst_vq)
> >+{
> >+ struct rkvdec2_ctx *ctx = priv;
> >+ struct rkvdec2_dev *rkvdec = ctx->dev;
> >+ int ret;
> >+
> >+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
> >+ src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
> >+ src_vq->drv_priv = ctx;
> >+ src_vq->ops = &rkvdec2_queue_ops;
> >+ src_vq->mem_ops = &vb2_dma_contig_memops;
> >+
> >+ /*
> >+ * Driver does mostly sequential access, so sacrifice TLB efficiency
> >+ * for faster allocation. Also, no CPU access on the source queue,
> >+ * so no kernel mapping needed.
> >+ */
> >+ src_vq->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES |
> >+ DMA_ATTR_NO_KERNEL_MAPPING;
> >+ src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
> >+ src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
> >+ src_vq->lock = &rkvdec->vdev_lock;
> >+ src_vq->dev = rkvdec->v4l2_dev.dev;
> >+ src_vq->supports_requests = true;
> >+ src_vq->requires_requests = true;
> >+
> >+ ret = vb2_queue_init(src_vq);
> >+ if (ret)
> >+ return ret;
> >+
> >+ dst_vq->bidirectional = true;
> >+ dst_vq->mem_ops = &vb2_dma_contig_memops;
> >+ dst_vq->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES |
> >+ DMA_ATTR_NO_KERNEL_MAPPING;
> >+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
> >+ dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
> >+ dst_vq->drv_priv = ctx;
> >+ dst_vq->ops = &rkvdec2_queue_ops;
> >+ dst_vq->buf_struct_size = sizeof(struct rkvdec2_decoded_buffer);
> >+ dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
> >+ dst_vq->lock = &rkvdec->vdev_lock;
> >+ dst_vq->dev = rkvdec->v4l2_dev.dev;
> >+
> >+ return vb2_queue_init(dst_vq);
> >+}
> >+
> >+static int rkvdec2_add_ctrls(struct rkvdec2_ctx *ctx,
> >+ const struct rkvdec2_ctrls *ctrls)
> >+{
> >+ unsigned int i;
> >+
> >+ for (i = 0; i < ctrls->num_ctrls; i++) {
> >+ const struct v4l2_ctrl_config *cfg = &ctrls-
>ctrls[i].cfg;
> >+
> >+ v4l2_ctrl_new_custom(&ctx->ctrl_hdl, cfg, ctx);
> >+ if (ctx->ctrl_hdl.error)
> >+ return ctx->ctrl_hdl.error;
> >+ }
> >+
> >+ return 0;
> >+}
> >+
> >+static int rkvdec2_init_ctrls(struct rkvdec2_ctx *ctx)
> >+{
> >+ unsigned int i, nctrls = 0;
> >+ int ret;
> >+
> >+ for (i = 0; i < ARRAY_SIZE(rkvdec2_coded_fmts); i++)
> >+ nctrls += rkvdec2_coded_fmts[i].ctrls->num_ctrls;
> >+
> >+ v4l2_ctrl_handler_init(&ctx->ctrl_hdl, nctrls);
> >+
> >+ for (i = 0; i < ARRAY_SIZE(rkvdec2_coded_fmts); i++) {
> >+ ret = rkvdec2_add_ctrls(ctx,
rkvdec2_coded_fmts[i].ctrls);
> >+ if (ret)
> >+ goto err_free_handler;
> >+ }
> >+
> >+ ret = v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
> >+ if (ret)
> >+ goto err_free_handler;
> >+
> >+ ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
> >+ return 0;
> >+
> >+err_free_handler:
> >+ v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
> >+ return ret;
> >+}
> >+
> >+static int rkvdec2_open(struct file *filp)
> >+{
> >+ struct rkvdec2_dev *rkvdec = video_drvdata(filp);
> >+ struct rkvdec2_ctx *ctx;
> >+ int ret;
> >+
> >+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
> >+ if (!ctx)
> >+ return -ENOMEM;
> >+
> >+ ctx->dev = rkvdec;
> >+ rkvdec2_reset_coded_fmt(ctx);
> >+ rkvdec2_reset_decoded_fmt(ctx);
> >+ v4l2_fh_init(&ctx->fh, video_devdata(filp));
> >+
> >+ ret = rkvdec2_init_ctrls(ctx);
> >+ if (ret)
> >+ goto err_free_ctx;
> >+
> >+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(rkvdec->m2m_dev, ctx,
> >+
rkvdec2_queue_init);
> >+ if (IS_ERR(ctx->fh.m2m_ctx)) {
> >+ ret = PTR_ERR(ctx->fh.m2m_ctx);
> >+ goto err_cleanup_ctrls;
> >+ }
> >+
> >+ filp->private_data = &ctx->fh;
> >+ v4l2_fh_add(&ctx->fh);
> >+
> >+ return 0;
> >+
> >+err_cleanup_ctrls:
> >+ v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
> >+
> >+err_free_ctx:
> >+ kfree(ctx);
> >+ return ret;
> >+}
> >+
> >+static int rkvdec2_release(struct file *filp)
> >+{
> >+ struct rkvdec2_ctx *ctx = fh_to_rkvdec2_ctx(filp->private_data);
> >+
> >+ v4l2_fh_del(&ctx->fh);
> >+ v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
> >+ v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
> >+ v4l2_fh_exit(&ctx->fh);
> >+ kfree(ctx);
> >+
> >+ return 0;
> >+}
> >+
> >+static const struct v4l2_file_operations rkvdec2_fops = {
> >+ .owner = THIS_MODULE,
> >+ .open = rkvdec2_open,
> >+ .release = rkvdec2_release,
> >+ .poll = v4l2_m2m_fop_poll,
> >+ .unlocked_ioctl = video_ioctl2,
> >+ .mmap = v4l2_m2m_fop_mmap,
> >+};
> >+
> >+static int rkvdec2_v4l2_init(struct rkvdec2_dev *rkvdec)
> >+{
> >+ int ret;
> >+
> >+ ret = v4l2_device_register(rkvdec->dev, &rkvdec->v4l2_dev);
> >+ if (ret) {
> >+ dev_err(rkvdec->dev, "Failed to register V4L2
device\n");
> >+ return ret;
> >+ }
> >+
> >+ rkvdec->m2m_dev = v4l2_m2m_init(&rkvdec2_m2m_ops);
> >+ if (IS_ERR(rkvdec->m2m_dev)) {
> >+ v4l2_err(&rkvdec->v4l2_dev, "Failed to init mem2mem
device\n");
> >+ ret = PTR_ERR(rkvdec->m2m_dev);
> >+ goto err_unregister_v4l2;
> >+ }
> >+
> >+ rkvdec->mdev.dev = rkvdec->dev;
> >+ strscpy(rkvdec->mdev.model, "rkvdec2", sizeof(rkvdec->mdev.model));
> >+ strscpy(rkvdec->mdev.bus_info, "platform:rkvdec2",
> >+ sizeof(rkvdec->mdev.bus_info));
> >+ media_device_init(&rkvdec->mdev);
> >+ rkvdec->mdev.ops = &rkvdec2_media_ops;
> >+ rkvdec->v4l2_dev.mdev = &rkvdec->mdev;
> >+
> >+ rkvdec->vdev.lock = &rkvdec->vdev_lock;
> >+ rkvdec->vdev.v4l2_dev = &rkvdec->v4l2_dev;
> >+ rkvdec->vdev.fops = &rkvdec2_fops;
> >+ rkvdec->vdev.release = video_device_release_empty;
> >+ rkvdec->vdev.vfl_dir = VFL_DIR_M2M;
> >+ rkvdec->vdev.device_caps = V4L2_CAP_STREAMING |
> >+ V4L2_CAP_VIDEO_M2M_MPLANE;
> >+ rkvdec->vdev.ioctl_ops = &rkvdec2_ioctl_ops;
> >+ video_set_drvdata(&rkvdec->vdev, rkvdec);
> >+ strscpy(rkvdec->vdev.name, "rkvdec2", sizeof(rkvdec->vdev.name));
> >+
> >+ ret = video_register_device(&rkvdec->vdev, VFL_TYPE_VIDEO, -1);
> >+ if (ret) {
> >+ v4l2_err(&rkvdec->v4l2_dev, "Failed to register video
device\n");
> >+ goto err_cleanup_mc;
> >+ }
> >+
> >+ ret = v4l2_m2m_register_media_controller(rkvdec->m2m_dev, &rkvdec-
>vdev,
> >+
MEDIA_ENT_F_PROC_VIDEO_DECODER);
> >+ if (ret) {
> >+ v4l2_err(&rkvdec->v4l2_dev,
> >+ "Failed to initialize V4L2 M2M media
controller\n");
> >+ goto err_unregister_vdev;
> >+ }
> >+
> >+ ret = media_device_register(&rkvdec->mdev);
> >+ if (ret) {
> >+ v4l2_err(&rkvdec->v4l2_dev, "Failed to register media
device\n");
> >+ goto err_unregister_mc;
> >+ }
> >+
> >+ return 0;
> >+
> >+err_unregister_mc:
> >+ v4l2_m2m_unregister_media_controller(rkvdec->m2m_dev);
> >+
> >+err_unregister_vdev:
> >+ video_unregister_device(&rkvdec->vdev);
> >+
> >+err_cleanup_mc:
> >+ media_device_cleanup(&rkvdec->mdev);
> >+ v4l2_m2m_release(rkvdec->m2m_dev);
> >+
> >+err_unregister_v4l2:
> >+ v4l2_device_unregister(&rkvdec->v4l2_dev);
> >+ return ret;
> >+}
> >+
> >+static void rkvdec2_v4l2_cleanup(struct rkvdec2_dev *rkvdec)
> >+{
> >+ media_device_unregister(&rkvdec->mdev);
> >+ v4l2_m2m_unregister_media_controller(rkvdec->m2m_dev);
> >+ video_unregister_device(&rkvdec->vdev);
> >+ media_device_cleanup(&rkvdec->mdev);
> >+ v4l2_m2m_release(rkvdec->m2m_dev);
> >+ v4l2_device_unregister(&rkvdec->v4l2_dev);
> >+}
> >+
> >+static irqreturn_t rkvdec2_irq_handler(int irq, void *priv)
> >+{
> >+ struct rkvdec2_dev *rkvdec = priv;
> >+ enum vb2_buffer_state state;
> >+ u32 status;
> >+
> >+ status = readl(rkvdec->regs + RKVDEC2_REG_STA_INT);
> >+ state = (status & STA_INT_DEC_RDY_STA) ?
> >+ VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
> >+
> >+ /* Clear interrupt status */
> >+ writel(0, rkvdec->regs + RKVDEC2_REG_STA_INT);
> >+ if (cancel_delayed_work(&rkvdec->watchdog_work)) {
> >+ struct rkvdec2_ctx *ctx;
> >+
> >+ ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);
> >+ rkvdec2_job_finish(ctx, state);
> >+ }
> >+
> >+ return IRQ_HANDLED;
> >+}
> >+
> >+static void rkvdec2_watchdog_func(struct work_struct *work)
> >+{
> >+ struct rkvdec2_dev *rkvdec = container_of(to_delayed_work(work),
struct
> >rkvdec2_dev, + watchdog_work);
> >+ struct rkvdec2_ctx *ctx;
> >+
> >+ ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);
> >+ if (ctx) {
> >+ dev_err(rkvdec->dev, "Frame processing timed out!\n");
> >+ writel(RKVDEC2_REG_DEC_IRQ_DISABLE, rkvdec->regs +
> >RKVDEC2_REG_IMPORTANT_EN); + writel(0, rkvdec->regs +
RKVDEC2_REG_DEC_E);
> >+ rkvdec2_job_finish(ctx, VB2_BUF_STATE_ERROR);
> >+ }
> >+}
> >+
> >+static const struct of_device_id of_rkvdec2_match[] = {
> >+ { .compatible = "rockchip,rk3588-vdec2" },
> >+ { /* sentinel */ }
> >+};
> >+MODULE_DEVICE_TABLE(of, of_rkvdec2_match);
> >+
> >+static const char * const rkvdec2_clk_names[] = {
> >+ "axi",
> >+ "ahb",
> >+ "core",
> >+ "cabac",
> >+ "hevc_cabac",
> >+};
> >+
> >+static int rkvdec2_probe(struct platform_device *pdev)
> >+{
> >+ struct rkvdec2_dev *rkvdec;
> >+ unsigned int i;
> >+ int ret, irq;
> >+
> >+ rkvdec = devm_kzalloc(&pdev->dev, sizeof(*rkvdec), GFP_KERNEL);
> >+ if (!rkvdec)
> >+ return -ENOMEM;
> >+
> >+ platform_set_drvdata(pdev, rkvdec);
> >+ rkvdec->dev = &pdev->dev;
> >+
> >+ mutex_init(&rkvdec->vdev_lock);
> >+ INIT_DELAYED_WORK(&rkvdec->watchdog_work, rkvdec2_watchdog_func);
> >+
> >+ rkvdec->clocks = devm_kcalloc(&pdev->dev,
ARRAY_SIZE(rkvdec2_clk_names),
> >+ sizeof(*rkvdec->clocks),
GFP_KERNEL);
> >+ if (!rkvdec->clocks)
> >+ return -ENOMEM;
> >+
> >+ for (i = 0; i < ARRAY_SIZE(rkvdec2_clk_names); i++)
> >+ rkvdec->clocks[i].id = rkvdec2_clk_names[i];
> >+
> >+ ret = devm_clk_bulk_get(&pdev->dev, ARRAY_SIZE(rkvdec2_clk_names),
> >+ rkvdec->clocks);
> >+ if (ret)
> >+ return ret;
> >+
> >+ rkvdec->regs = devm_platform_ioremap_resource(pdev, 0);
> >+ if (IS_ERR(rkvdec->regs))
> >+ return PTR_ERR(rkvdec->regs);
> >+
> >+ ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
> >+ if (ret) {
> >+ dev_err(&pdev->dev, "Could not set DMA coherent mask.
\n");
> >+ return ret;
> >+ }
> >+
> >+ vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
> >+
> >+ irq = platform_get_irq(pdev, 0);
> >+ if (irq <= 0)
> >+ return -ENXIO;
> >+
> >+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
> >+ rkvdec2_irq_handler,
IRQF_ONESHOT,
> >+ dev_name(&pdev->dev),
rkvdec);
> >+ if (ret) {
> >+ dev_err(&pdev->dev, "Could not request vdec2 IRQ\n");
> >+ return ret;
> >+ }
> >+
> >+ pm_runtime_set_autosuspend_delay(&pdev->dev, 100);
> >+ pm_runtime_use_autosuspend(&pdev->dev);
> >+ pm_runtime_enable(&pdev->dev);
> >+
> >+ ret = clk_bulk_prepare_enable(ARRAY_SIZE(rkvdec2_clk_names),
> >rkvdec->clocks); + if (ret) {
> >+ dev_err(&pdev->dev, "Could not start clocks\n");
> >+ return ret;
> >+ }
> >+
> >+ ret = rkvdec2_v4l2_init(rkvdec);
> >+ if (ret)
> >+ goto err_disable_runtime_pm;
> >+
> >+ return 0;
> >+
> >+err_disable_runtime_pm:
> >+ pm_runtime_dont_use_autosuspend(&pdev->dev);
> >+ pm_runtime_disable(&pdev->dev);
> >+ return ret;
> >+}
> >+
> >+static void rkvdec2_remove(struct platform_device *pdev)
> >+{
> >+ struct rkvdec2_dev *rkvdec = platform_get_drvdata(pdev);
> >+
> >+ cancel_delayed_work_sync(&rkvdec->watchdog_work);
> >+
> >+ rkvdec2_v4l2_cleanup(rkvdec);
> >+ pm_runtime_disable(&pdev->dev);
> >+ pm_runtime_dont_use_autosuspend(&pdev->dev);
> >+}
> >+
> >+#ifdef CONFIG_PM
> >+static int rkvdec2_runtime_resume(struct device *dev)
> >+{
> >+ struct rkvdec2_dev *rkvdec = dev_get_drvdata(dev);
> >+
> >+ return clk_bulk_prepare_enable(ARRAY_SIZE(rkvdec2_clk_names),
> >+ rkvdec->clocks);
> >+}
> >+
> >+static int rkvdec2_runtime_suspend(struct device *dev)
> >+{
> >+ struct rkvdec2_dev *rkvdec = dev_get_drvdata(dev);
> >+
> >+ clk_bulk_disable_unprepare(ARRAY_SIZE(rkvdec2_clk_names),
> >+ rkvdec->clocks);
> >+ return 0;
> >+}
> >+#endif
> >+
> >+static const struct dev_pm_ops rkvdec2_pm_ops = {
> >+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
> >+ pm_runtime_force_resume)
> >+ SET_RUNTIME_PM_OPS(rkvdec2_runtime_suspend, rkvdec2_runtime_resume,
NULL)
> >+};
> >+
> >+static struct platform_driver rkvdec2_driver = {
> >+ .probe = rkvdec2_probe,
> >+ .remove_new = rkvdec2_remove,
> >+ .driver = {
> >+ .name = "rkvdec2",
> >+ .of_match_table = of_rkvdec2_match,
> >+ .pm = &rkvdec2_pm_ops,
> >+ },
> >+};
> >+module_platform_driver(rkvdec2_driver);
> >+
> >+MODULE_AUTHOR("Detlev Casanova <detlev.casanova@...labora.com>");
> >+MODULE_DESCRIPTION("Rockchip Video Decoder 2 driver");
> >+MODULE_LICENSE("GPL");
> >diff --git a/drivers/staging/media/rkvdec2/rkvdec2.h
> >b/drivers/staging/media/rkvdec2/rkvdec2.h new file mode 100644
> >index 000000000000..3982c0387869
> >--- /dev/null
> >+++ b/drivers/staging/media/rkvdec2/rkvdec2.h
> >@@ -0,0 +1,123 @@
> >+// SPDX-License-Identifier: GPL-2.0
> >+/*
> >+ * Rockchip Video Decoder 2 driver
> >+ *
> >+ * Copyright (C) 2024 Collabora, Ltd.
> >+ * Detlev Casanova <detlev.casanova@...labora.com>
> >+ *
> >+ * Based on rkvdec driver by Boris Brezillon
> ><boris.brezillon@...labora.com> + */
> >+#ifndef RKVDEC_H_
> >+#define RKVDEC_H_
> >+
> >+#include <linux/platform_device.h>
> >+#include <linux/videodev2.h>
> >+#include <linux/wait.h>
> >+#include <linux/clk.h>
> >+#include <linux/dma-mapping.h>
> >+
> >+#include <media/v4l2-ctrls.h>
> >+#include <media/v4l2-device.h>
> >+#include <media/v4l2-ioctl.h>
> >+#include <media/videobuf2-core.h>
> >+#include <media/videobuf2-dma-contig.h>
> >+
> >+#include "rkvdec2-regs.h"
> >+
> >+#define RKVDEC2_RCB_COUNT 10
> >+
> >+struct rkvdec2_ctx;
> >+
> >+struct rkvdec2_aux_buf {
> >+ void *cpu;
> >+ dma_addr_t dma;
> >+ size_t size;
> >+};
> >+
> >+struct rkvdec2_ctrl_desc {
> >+ struct v4l2_ctrl_config cfg;
> >+};
> >+
> >+struct rkvdec2_ctrls {
> >+ const struct rkvdec2_ctrl_desc *ctrls;
> >+ unsigned int num_ctrls;
> >+};
> >+
> >+struct rkvdec2_run {
> >+ struct {
> >+ struct vb2_v4l2_buffer *src;
> >+ struct vb2_v4l2_buffer *dst;
> >+ } bufs;
> >+};
> >+
> >+struct rkvdec2_decoded_buffer {
> >+ /* Must be the first field in this struct. */
> >+ struct v4l2_m2m_buffer base;
> >+};
> >+
> >+static inline struct rkvdec2_decoded_buffer *
> >+vb2_to_rkvdec2_decoded_buf(struct vb2_buffer *buf)
> >+{
> >+ return container_of(buf, struct rkvdec2_decoded_buffer,
> >+ base.vb.vb2_buf);
> >+}
> >+
> >+struct rkvdec2_coded_fmt_ops {
> >+ int (*adjust_fmt)(struct rkvdec2_ctx *ctx,
> >+ struct v4l2_format *f);
> >+ int (*start)(struct rkvdec2_ctx *ctx);
> >+ void (*stop)(struct rkvdec2_ctx *ctx);
> >+ int (*run)(struct rkvdec2_ctx *ctx);
> >+ void (*done)(struct rkvdec2_ctx *ctx, struct vb2_v4l2_buffer
*src_buf,
> >+ struct vb2_v4l2_buffer *dst_buf,
> >+ enum vb2_buffer_state result);
> >+ int (*try_ctrl)(struct rkvdec2_ctx *ctx, struct v4l2_ctrl *ctrl);
> >+};
> >+
> >+struct rkvdec2_coded_fmt_desc {
> >+ u32 fourcc;
> >+ struct v4l2_frmsize_stepwise frmsize;
> >+ const struct rkvdec2_ctrls *ctrls;
> >+ const struct rkvdec2_coded_fmt_ops *ops;
> >+ unsigned int num_decoded_fmts;
> >+ const u32 *decoded_fmts;
> >+ u32 subsystem_flags;
> >+};
> >+
> >+struct rkvdec2_dev {
> >+ struct v4l2_device v4l2_dev;
> >+ struct media_device mdev;
> >+ struct video_device vdev;
> >+ struct v4l2_m2m_dev *m2m_dev;
> >+ struct device *dev;
> >+ struct clk_bulk_data *clocks;
> >+ void __iomem *regs;
> >+ struct mutex vdev_lock; /* serializes ioctls */
> >+ struct delayed_work watchdog_work;
> >+};
> >+
> >+struct rkvdec2_ctx {
> >+ struct v4l2_fh fh;
> >+ struct v4l2_format coded_fmt;
> >+ struct v4l2_format decoded_fmt;
> >+ const struct rkvdec2_coded_fmt_desc *coded_fmt_desc;
> >+ struct v4l2_ctrl_handler ctrl_hdl;
> >+ struct rkvdec2_dev *dev;
> >+ struct rkvdec2_aux_buf rcb_bufs[RKVDEC2_RCB_COUNT];
> >+
> >+ u32 colmv_offset;
> >+
> >+ void *priv;
> >+};
> >+
> >+static inline struct rkvdec2_ctx *fh_to_rkvdec2_ctx(struct v4l2_fh *fh)
> >+{
> >+ return container_of(fh, struct rkvdec2_ctx, fh);
> >+}
> >+
> >+void rkvdec2_run_preamble(struct rkvdec2_ctx *ctx, struct rkvdec2_run
> >*run); +void rkvdec2_run_postamble(struct rkvdec2_ctx *ctx, struct
> >rkvdec2_run *run); +
> >+extern const struct rkvdec2_coded_fmt_ops rkvdec2_h264_fmt_ops;
> >+
> >+#endif /* RKVDEC_H_ */
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