diff --git a/MAINTAINERS b/MAINTAINERS
index 7ad334f8b2e60fa123372640c2bb126ebe824d45..a796ee586e2f0d79d2da9e9c7fc1d1bc726aefc4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14465,6 +14465,13 @@ F: Documentation/ABI/*/sysfs-driver-hid-roccat*
F: drivers/hid/hid-roccat*
F: include/linux/hid-roccat*
+ROCKCHIP VIDEO DECODER DRIVER
+M: Ezequiel Garcia <ezequiel@collabora.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/staging/media/rkvdec/
+F: Documentation/devicetree/bindings/media/rockchip,vdec.yaml
+
ROCKCHIP ISP V1 DRIVER
M: Helen Koike <helen.koike@collabora.com>
L: linux-media@vger.kernel.org
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index e59a846bc909c26cf9ccd316add76a25b7f142ae..c6b4fb5d48b4457e1bd0cdc08ad12284b9c7dd1b 100644
--- a/drivers/staging/media/Kconfig
+++ b/drivers/staging/media/Kconfig
@@ -30,6 +30,8 @@ source "drivers/staging/media/meson/vdec/Kconfig"
source "drivers/staging/media/omap4iss/Kconfig"
+source "drivers/staging/media/rkvdec/Kconfig"
+
source "drivers/staging/media/sunxi/Kconfig"
source "drivers/staging/media/tegra-vde/Kconfig"
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index 23c682461b6229daba5dcbd482528b62487f3771..8b24be1a70765e83036bf5ef35c51a60d3104e5d 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_VIDEO_ALLEGRO_DVT) += allegro-dvt/
obj-$(CONFIG_VIDEO_IMX_MEDIA) += imx/
obj-$(CONFIG_VIDEO_MESON_VDEC) += meson/vdec/
obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/
+obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC) += rkvdec/
obj-$(CONFIG_VIDEO_SUNXI) += sunxi/
obj-$(CONFIG_TEGRA_VDE) += tegra-vde/
obj-$(CONFIG_VIDEO_HANTRO) += hantro/
diff --git a/drivers/staging/media/rkvdec/Kconfig b/drivers/staging/media/rkvdec/Kconfig
new file mode 100644
index 0000000000000000000000000000000000000000..c02199b5e0fdb6b9e86ae87828c63278bf9c9f9a
--- /dev/null
+++ b/drivers/staging/media/rkvdec/Kconfig
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0
+config VIDEO_ROCKCHIP_VDEC
+ tristate "Rockchip Video Decoder driver"
+ depends on ARCH_ROCKCHIP || COMPILE_TEST
+ depends on VIDEO_DEV && VIDEO_V4L2
+ select MEDIA_CONTROLLER
+ select MEDIA_CONTROLLER_REQUEST_API
+ select VIDEOBUF2_DMA_CONTIG
+ select VIDEOBUF2_VMALLOC
+ select V4L2_MEM2MEM_DEV
+ select V4L2_H264
+ help
+ Support for the Rockchip Video Decoder 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-vdec.
diff --git a/drivers/staging/media/rkvdec/Makefile b/drivers/staging/media/rkvdec/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..c08fed0a39f9951678072d8cb8f5a7c76512aee8
--- /dev/null
+++ b/drivers/staging/media/rkvdec/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC) += rockchip-vdec.o
+
+rockchip-vdec-y += rkvdec.o rkvdec-h264.o
diff --git a/drivers/staging/media/rkvdec/TODO b/drivers/staging/media/rkvdec/TODO
new file mode 100644
index 0000000000000000000000000000000000000000..e0f0f12f0ac57a1fae13eea265d8083ee8c667e8
--- /dev/null
+++ b/drivers/staging/media/rkvdec/TODO
@@ -0,0 +1,11 @@
+* Support for VP9 is planned for this driver.
+
+ Given the V4L controls for those CODECs will be part of
+ the uABI, it will be required to have the driver in staging.
+
+ For this reason, we are keeping this driver in staging for now.
+
+* Evaluate introducing a helper to consolidate duplicated
+ code in rkvdec_request_validate and cedrus_request_validate.
+ The helper needs to the driver private data associated with
+ the videobuf2 queue, from a media request.
diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c
new file mode 100644
index 0000000000000000000000000000000000000000..cd4980d06be7ef1594d0c8c413ac1875b5fd5a40
--- /dev/null
+++ b/drivers/staging/media/rkvdec/rkvdec-h264.c
@@ -0,0 +1,1156 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip Video Decoder H264 backend
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ * Boris Brezillon <boris.brezillon@collabora.com>
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
+ * Jeffy Chen <jeffy.chen@rock-chips.com>
+ */
+
+#include <media/v4l2-h264.h>
+#include <media/v4l2-mem2mem.h>
+
+#include "rkvdec.h"
+#include "rkvdec-regs.h"
+
+/* Size with u32 units. */
+#define RKV_CABAC_INIT_BUFFER_SIZE (3680 + 128)
+#define RKV_RPS_SIZE ((128 + 128) / 4)
+#define RKV_SCALING_LIST_SIZE (6 * 16 + 6 * 64 + 128)
+#define RKV_ERROR_INFO_SIZE (256 * 144 * 4)
+
+#define RKVDEC_NUM_REFLIST 3
+
+struct rkvdec_sps_pps_packet {
+ u32 info[8];
+};
+
+struct rkvdec_ps_field {
+ u16 offset;
+ u8 len;
+};
+
+#define PS_FIELD(_offset, _len) \
+ ((struct rkvdec_ps_field){ _offset, _len })
+
+#define SEQ_PARAMETER_SET_ID PS_FIELD(0, 4)
+#define PROFILE_IDC PS_FIELD(4, 8)
+#define CONSTRAINT_SET3_FLAG PS_FIELD(12, 1)
+#define CHROMA_FORMAT_IDC PS_FIELD(13, 2)
+#define BIT_DEPTH_LUMA PS_FIELD(15, 3)
+#define BIT_DEPTH_CHROMA PS_FIELD(18, 3)
+#define QPPRIME_Y_ZERO_TRANSFORM_BYPASS_FLAG PS_FIELD(21, 1)
+#define LOG2_MAX_FRAME_NUM_MINUS4 PS_FIELD(22, 4)
+#define MAX_NUM_REF_FRAMES PS_FIELD(26, 5)
+#define PIC_ORDER_CNT_TYPE PS_FIELD(31, 2)
+#define LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4 PS_FIELD(33, 4)
+#define DELTA_PIC_ORDER_ALWAYS_ZERO_FLAG PS_FIELD(37, 1)
+#define PIC_WIDTH_IN_MBS PS_FIELD(38, 9)
+#define PIC_HEIGHT_IN_MBS PS_FIELD(47, 9)
+#define FRAME_MBS_ONLY_FLAG PS_FIELD(56, 1)
+#define MB_ADAPTIVE_FRAME_FIELD_FLAG PS_FIELD(57, 1)
+#define DIRECT_8X8_INFERENCE_FLAG PS_FIELD(58, 1)
+#define MVC_EXTENSION_ENABLE PS_FIELD(59, 1)
+#define NUM_VIEWS PS_FIELD(60, 2)
+#define VIEW_ID(i) PS_FIELD(62 + ((i) * 10), 10)
+#define NUM_ANCHOR_REFS_L(i) PS_FIELD(82 + ((i) * 11), 1)
+#define ANCHOR_REF_L(i) PS_FIELD(83 + ((i) * 11), 10)
+#define NUM_NON_ANCHOR_REFS_L(i) PS_FIELD(104 + ((i) * 11), 1)
+#define NON_ANCHOR_REFS_L(i) PS_FIELD(105 + ((i) * 11), 10)
+#define PIC_PARAMETER_SET_ID PS_FIELD(128, 8)
+#define PPS_SEQ_PARAMETER_SET_ID PS_FIELD(136, 5)
+#define ENTROPY_CODING_MODE_FLAG PS_FIELD(141, 1)
+#define BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT_FLAG PS_FIELD(142, 1)
+#define NUM_REF_IDX_L_DEFAULT_ACTIVE_MINUS1(i) PS_FIELD(143 + ((i) * 5), 5)
+#define WEIGHTED_PRED_FLAG PS_FIELD(153, 1)
+#define WEIGHTED_BIPRED_IDC PS_FIELD(154, 2)
+#define PIC_INIT_QP_MINUS26 PS_FIELD(156, 7)
+#define PIC_INIT_QS_MINUS26 PS_FIELD(163, 6)
+#define CHROMA_QP_INDEX_OFFSET PS_FIELD(169, 5)
+#define DEBLOCKING_FILTER_CONTROL_PRESENT_FLAG PS_FIELD(174, 1)
+#define CONSTRAINED_INTRA_PRED_FLAG PS_FIELD(175, 1)
+#define REDUNDANT_PIC_CNT_PRESENT PS_FIELD(176, 1)
+#define TRANSFORM_8X8_MODE_FLAG PS_FIELD(177, 1)
+#define SECOND_CHROMA_QP_INDEX_OFFSET PS_FIELD(178, 5)
+#define SCALING_LIST_ENABLE_FLAG PS_FIELD(183, 1)
+#define SCALING_LIST_ADDRESS PS_FIELD(184, 32)
+#define IS_LONG_TERM(i) PS_FIELD(216 + (i), 1)
+
+#define DPB_OFFS(i, j) (288 + ((j) * 32 * 7) + ((i) * 7))
+#define DPB_INFO(i, j) PS_FIELD(DPB_OFFS(i, j), 5)
+#define BOTTOM_FLAG(i, j) PS_FIELD(DPB_OFFS(i, j) + 5, 1)
+#define VIEW_INDEX_OFF(i, j) PS_FIELD(DPB_OFFS(i, j) + 6, 1)
+
+/* Data structure describing auxiliary buffer format. */
+struct rkvdec_h264_priv_tbl {
+ s8 cabac_table[4][464][2];
+ u8 scaling_list[RKV_SCALING_LIST_SIZE];
+ u32 rps[RKV_RPS_SIZE];
+ struct rkvdec_sps_pps_packet param_set[256];
+ u8 err_info[RKV_ERROR_INFO_SIZE];
+};
+
+#define RKVDEC_H264_DPB_SIZE 16
+
+struct rkvdec_h264_reflists {
+ u8 p[RKVDEC_H264_DPB_SIZE];
+ u8 b0[RKVDEC_H264_DPB_SIZE];
+ u8 b1[RKVDEC_H264_DPB_SIZE];
+ u8 num_valid;
+};
+
+struct rkvdec_h264_run {
+ struct rkvdec_run base;
+ const struct v4l2_ctrl_h264_decode_params *decode_params;
+ const struct v4l2_ctrl_h264_slice_params *slices_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 rkvdec_h264_ctx {
+ struct rkvdec_aux_buf priv_tbl;
+ struct rkvdec_h264_reflists reflists;
+};
+
+#define CABAC_ENTRY(ctxidx, idc0_m, idc0_n, idc1_m, idc1_n, \
+ idc2_m, idc2_n, intra_m, intra_n) \
+ [0][(ctxidx)] = {idc0_m, idc0_n}, \
+ [1][(ctxidx)] = {idc1_m, idc1_n}, \
+ [2][(ctxidx)] = {idc2_m, idc2_n}, \
+ [3][(ctxidx)] = {intra_m, intra_n}
+
+/*
+ * Constant CABAC table.
+ * Built from the tables described in section '9.3.1.1 Initialisation process
+ * for context variables' of the H264 spec.
+ */
+static const s8 rkvdec_h264_cabac_table[4][464][2] = {
+ /* Table 9-12 – Values of variables m and n for ctxIdx from 0 to 10 */
+ CABAC_ENTRY(0, 20, -15, 20, -15, 20, -15, 20, -15),
+ CABAC_ENTRY(1, 2, 54, 2, 54, 2, 54, 2, 54),
+ CABAC_ENTRY(2, 3, 74, 3, 74, 3, 74, 3, 74),
+ CABAC_ENTRY(3, 20, -15, 20, -15, 20, -15, 20, -15),
+ CABAC_ENTRY(4, 2, 54, 2, 54, 2, 54, 2, 54),
+ CABAC_ENTRY(5, 3, 74, 3, 74, 3, 74, 3, 74),
+ CABAC_ENTRY(6, -28, 127, -28, 127, -28, 127, -28, 127),
+ CABAC_ENTRY(7, -23, 104, -23, 104, -23, 104, -23, 104),
+ CABAC_ENTRY(8, -6, 53, -6, 53, -6, 53, -6, 53),
+ CABAC_ENTRY(9, -1, 54, -1, 54, -1, 54, -1, 54),
+ CABAC_ENTRY(10, 7, 51, 7, 51, 7, 51, 7, 51),
+
+ /* Table 9-13 – Values of variables m and n for ctxIdx from 11 to 23 */
+ CABAC_ENTRY(11, 23, 33, 22, 25, 29, 16, 0, 0),
+ CABAC_ENTRY(12, 23, 2, 34, 0, 25, 0, 0, 0),
+ CABAC_ENTRY(13, 21, 0, 16, 0, 14, 0, 0, 0),
+ CABAC_ENTRY(14, 1, 9, -2, 9, -10, 51, 0, 0),
+ CABAC_ENTRY(15, 0, 49, 4, 41, -3, 62, 0, 0),
+ CABAC_ENTRY(16, -37, 118, -29, 118, -27, 99, 0, 0),
+ CABAC_ENTRY(17, 5, 57, 2, 65, 26, 16, 0, 0),
+ CABAC_ENTRY(18, -13, 78, -6, 71, -4, 85, 0, 0),
+ CABAC_ENTRY(19, -11, 65, -13, 79, -24, 102, 0, 0),
+ CABAC_ENTRY(20, 1, 62, 5, 52, 5, 57, 0, 0),
+ CABAC_ENTRY(21, 12, 49, 9, 50, 6, 57, 0, 0),
+ CABAC_ENTRY(22, -4, 73, -3, 70, -17, 73, 0, 0),
+ CABAC_ENTRY(23, 17, 50, 10, 54, 14, 57, 0, 0),
+
+ /* Table 9-14 – Values of variables m and n for ctxIdx from 24 to 39 */
+ CABAC_ENTRY(24, 18, 64, 26, 34, 20, 40, 0, 0),
+ CABAC_ENTRY(25, 9, 43, 19, 22, 20, 10, 0, 0),
+ CABAC_ENTRY(26, 29, 0, 40, 0, 29, 0, 0, 0),
+ CABAC_ENTRY(27, 26, 67, 57, 2, 54, 0, 0, 0),
+ CABAC_ENTRY(28, 16, 90, 41, 36, 37, 42, 0, 0),
+ CABAC_ENTRY(29, 9, 104, 26, 69, 12, 97, 0, 0),
+ CABAC_ENTRY(30, -46, 127, -45, 127, -32, 127, 0, 0),
+ CABAC_ENTRY(31, -20, 104, -15, 101, -22, 117, 0, 0),
+ CABAC_ENTRY(32, 1, 67, -4, 76, -2, 74, 0, 0),
+ CABAC_ENTRY(33, -13, 78, -6, 71, -4, 85, 0, 0),
+ CABAC_ENTRY(34, -11, 65, -13, 79, -24, 102, 0, 0),
+ CABAC_ENTRY(35, 1, 62, 5, 52, 5, 57, 0, 0),
+ CABAC_ENTRY(36, -6, 86, 6, 69, -6, 93, 0, 0),
+ CABAC_ENTRY(37, -17, 95, -13, 90, -14, 88, 0, 0),
+ CABAC_ENTRY(38, -6, 61, 0, 52, -6, 44, 0, 0),
+ CABAC_ENTRY(39, 9, 45, 8, 43, 4, 55, 0, 0),
+
+ /* Table 9-15 – Values of variables m and n for ctxIdx from 40 to 53 */
+ CABAC_ENTRY(40, -3, 69, -2, 69, -11, 89, 0, 0),
+ CABAC_ENTRY(41, -6, 81, -5, 82, -15, 103, 0, 0),
+ CABAC_ENTRY(42, -11, 96, -10, 96, -21, 116, 0, 0),
+ CABAC_ENTRY(43, 6, 55, 2, 59, 19, 57, 0, 0),
+ CABAC_ENTRY(44, 7, 67, 2, 75, 20, 58, 0, 0),
+ CABAC_ENTRY(45, -5, 86, -3, 87, 4, 84, 0, 0),
+ CABAC_ENTRY(46, 2, 88, -3, 100, 6, 96, 0, 0),
+ CABAC_ENTRY(47, 0, 58, 1, 56, 1, 63, 0, 0),
+ CABAC_ENTRY(48, -3, 76, -3, 74, -5, 85, 0, 0),
+ CABAC_ENTRY(49, -10, 94, -6, 85, -13, 106, 0, 0),
+ CABAC_ENTRY(50, 5, 54, 0, 59, 5, 63, 0, 0),
+ CABAC_ENTRY(51, 4, 69, -3, 81, 6, 75, 0, 0),
+ CABAC_ENTRY(52, -3, 81, -7, 86, -3, 90, 0, 0),
+ CABAC_ENTRY(53, 0, 88, -5, 95, -1, 101, 0, 0),
+
+ /* Table 9-16 – Values of variables m and n for ctxIdx from 54 to 59 */
+ CABAC_ENTRY(54, -7, 67, -1, 66, 3, 55, 0, 0),
+ CABAC_ENTRY(55, -5, 74, -1, 77, -4, 79, 0, 0),
+ CABAC_ENTRY(56, -4, 74, 1, 70, -2, 75, 0, 0),
+ CABAC_ENTRY(57, -5, 80, -2, 86, -12, 97, 0, 0),
+ CABAC_ENTRY(58, -7, 72, -5, 72, -7, 50, 0, 0),
+ CABAC_ENTRY(59, 1, 58, 0, 61, 1, 60, 0, 0),
+
+ /* Table 9-17 – Values of variables m and n for ctxIdx from 60 to 69 */
+ CABAC_ENTRY(60, 0, 41, 0, 41, 0, 41, 0, 41),
+ CABAC_ENTRY(61, 0, 63, 0, 63, 0, 63, 0, 63),
+ CABAC_ENTRY(62, 0, 63, 0, 63, 0, 63, 0, 63),
+ CABAC_ENTRY(63, 0, 63, 0, 63, 0, 63, 0, 63),
+ CABAC_ENTRY(64, -9, 83, -9, 83, -9, 83, -9, 83),
+ CABAC_ENTRY(65, 4, 86, 4, 86, 4, 86, 4, 86),
+ CABAC_ENTRY(66, 0, 97, 0, 97, 0, 97, 0, 97),
+ CABAC_ENTRY(67, -7, 72, -7, 72, -7, 72, -7, 72),
+ CABAC_ENTRY(68, 13, 41, 13, 41, 13, 41, 13, 41),
+ CABAC_ENTRY(69, 3, 62, 3, 62, 3, 62, 3, 62),
+
+ /* Table 9-18 – Values of variables m and n for ctxIdx from 70 to 104 */
+ CABAC_ENTRY(70, 0, 45, 13, 15, 7, 34, 0, 11),
+ CABAC_ENTRY(71, -4, 78, 7, 51, -9, 88, 1, 55),
+ CABAC_ENTRY(72, -3, 96, 2, 80, -20, 127, 0, 69),
+ CABAC_ENTRY(73, -27, 126, -39, 127, -36, 127, -17, 127),
+ CABAC_ENTRY(74, -28, 98, -18, 91, -17, 91, -13, 102),
+ CABAC_ENTRY(75, -25, 101, -17, 96, -14, 95, 0, 82),
+ CABAC_ENTRY(76, -23, 67, -26, 81, -25, 84, -7, 74),
+ CABAC_ENTRY(77, -28, 82, -35, 98, -25, 86, -21, 107),
+ CABAC_ENTRY(78, -20, 94, -24, 102, -12, 89, -27, 127),
+ CABAC_ENTRY(79, -16, 83, -23, 97, -17, 91, -31, 127),
+ CABAC_ENTRY(80, -22, 110, -27, 119, -31, 127, -24, 127),
+ CABAC_ENTRY(81, -21, 91, -24, 99, -14, 76, -18, 95),
+ CABAC_ENTRY(82, -18, 102, -21, 110, -18, 103, -27, 127),
+ CABAC_ENTRY(83, -13, 93, -18, 102, -13, 90, -21, 114),
+ CABAC_ENTRY(84, -29, 127, -36, 127, -37, 127, -30, 127),
+ CABAC_ENTRY(85, -7, 92, 0, 80, 11, 80, -17, 123),
+ CABAC_ENTRY(86, -5, 89, -5, 89, 5, 76, -12, 115),
+ CABAC_ENTRY(87, -7, 96, -7, 94, 2, 84, -16, 122),
+ CABAC_ENTRY(88, -13, 108, -4, 92, 5, 78, -11, 115),
+ CABAC_ENTRY(89, -3, 46, 0, 39, -6, 55, -12, 63),
+ CABAC_ENTRY(90, -1, 65, 0, 65, 4, 61, -2, 68),
+ CABAC_ENTRY(91, -1, 57, -15, 84, -14, 83, -15, 84),
+ CABAC_ENTRY(92, -9, 93, -35, 127, -37, 127, -13, 104),
+ CABAC_ENTRY(93, -3, 74, -2, 73, -5, 79, -3, 70),
+ CABAC_ENTRY(94, -9, 92, -12, 104, -11, 104, -8, 93),
+ CABAC_ENTRY(95, -8, 87, -9, 91, -11, 91, -10, 90),
+ CABAC_ENTRY(96, -23, 126, -31, 127, -30, 127, -30, 127),
+ CABAC_ENTRY(97, 5, 54, 3, 55, 0, 65, -1, 74),
+ CABAC_ENTRY(98, 6, 60, 7, 56, -2, 79, -6, 97),
+ CABAC_ENTRY(99, 6, 59, 7, 55, 0, 72, -7, 91),
+ CABAC_ENTRY(100, 6, 69, 8, 61, -4, 92, -20, 127),
+ CABAC_ENTRY(101, -1, 48, -3, 53, -6, 56, -4, 56),
+ CABAC_ENTRY(102, 0, 68, 0, 68, 3, 68, -5, 82),
+ CABAC_ENTRY(103, -4, 69, -7, 74, -8, 71, -7, 76),
+ CABAC_ENTRY(104, -8, 88, -9, 88, -13, 98, -22, 125),
+
+ /* Table 9-19 – Values of variables m and n for ctxIdx from 105 to 165 */
+ CABAC_ENTRY(105, -2, 85, -13, 103, -4, 86, -7, 93),
+ CABAC_ENTRY(106, -6, 78, -13, 91, -12, 88, -11, 87),
+ CABAC_ENTRY(107, -1, 75, -9, 89, -5, 82, -3, 77),
+ CABAC_ENTRY(108, -7, 77, -14, 92, -3, 72, -5, 71),
+ CABAC_ENTRY(109, 2, 54, -8, 76, -4, 67, -4, 63),
+ CABAC_ENTRY(110, 5, 50, -12, 87, -8, 72, -4, 68),
+ CABAC_ENTRY(111, -3, 68, -23, 110, -16, 89, -12, 84),
+ CABAC_ENTRY(112, 1, 50, -24, 105, -9, 69, -7, 62),
+ CABAC_ENTRY(113, 6, 42, -10, 78, -1, 59, -7, 65),
+ CABAC_ENTRY(114, -4, 81, -20, 112, 5, 66, 8, 61),
+ CABAC_ENTRY(115, 1, 63, -17, 99, 4, 57, 5, 56),
+ CABAC_ENTRY(116, -4, 70, -78, 127, -4, 71, -2, 66),
+ CABAC_ENTRY(117, 0, 67, -70, 127, -2, 71, 1, 64),
+ CABAC_ENTRY(118, 2, 57, -50, 127, 2, 58, 0, 61),
+ CABAC_ENTRY(119, -2, 76, -46, 127, -1, 74, -2, 78),
+ CABAC_ENTRY(120, 11, 35, -4, 66, -4, 44, 1, 50),
+ CABAC_ENTRY(121, 4, 64, -5, 78, -1, 69, 7, 52),
+ CABAC_ENTRY(122, 1, 61, -4, 71, 0, 62, 10, 35),
+ CABAC_ENTRY(123, 11, 35, -8, 72, -7, 51, 0, 44),
+ CABAC_ENTRY(124, 18, 25, 2, 59, -4, 47, 11, 38),
+ CABAC_ENTRY(125, 12, 24, -1, 55, -6, 42, 1, 45),
+ CABAC_ENTRY(126, 13, 29, -7, 70, -3, 41, 0, 46),
+ CABAC_ENTRY(127, 13, 36, -6, 75, -6, 53, 5, 44),
+ CABAC_ENTRY(128, -10, 93, -8, 89, 8, 76, 31, 17),
+ CABAC_ENTRY(129, -7, 73, -34, 119, -9, 78, 1, 51),
+ CABAC_ENTRY(130, -2, 73, -3, 75, -11, 83, 7, 50),
+ CABAC_ENTRY(131, 13, 46, 32, 20, 9, 52, 28, 19),
+ CABAC_ENTRY(132, 9, 49, 30, 22, 0, 67, 16, 33),
+ CABAC_ENTRY(133, -7, 100, -44, 127, -5, 90, 14, 62),
+ CABAC_ENTRY(134, 9, 53, 0, 54, 1, 67, -13, 108),
+ CABAC_ENTRY(135, 2, 53, -5, 61, -15, 72, -15, 100),
+ CABAC_ENTRY(136, 5, 53, 0, 58, -5, 75, -13, 101),
+ CABAC_ENTRY(137, -2, 61, -1, 60, -8, 80, -13, 91),
+ CABAC_ENTRY(138, 0, 56, -3, 61, -21, 83, -12, 94),
+ CABAC_ENTRY(139, 0, 56, -8, 67, -21, 64, -10, 88),
+ CABAC_ENTRY(140, -13, 63, -25, 84, -13, 31, -16, 84),
+ CABAC_ENTRY(141, -5, 60, -14, 74, -25, 64, -10, 86),
+ CABAC_ENTRY(142, -1, 62, -5, 65, -29, 94, -7, 83),
+ CABAC_ENTRY(143, 4, 57, 5, 52, 9, 75, -13, 87),
+ CABAC_ENTRY(144, -6, 69, 2, 57, 17, 63, -19, 94),
+ CABAC_ENTRY(145, 4, 57, 0, 61, -8, 74, 1, 70),
+ CABAC_ENTRY(146, 14, 39, -9, 69, -5, 35, 0, 72),
+ CABAC_ENTRY(147, 4, 51, -11, 70, -2, 27, -5, 74),
+ CABAC_ENTRY(148, 13, 68, 18, 55, 13, 91, 18, 59),
+ CABAC_ENTRY(149, 3, 64, -4, 71, 3, 65, -8, 102),
+ CABAC_ENTRY(150, 1, 61, 0, 58, -7, 69, -15, 100),
+ CABAC_ENTRY(151, 9, 63, 7, 61, 8, 77, 0, 95),
+ CABAC_ENTRY(152, 7, 50, 9, 41, -10, 66, -4, 75),
+ CABAC_ENTRY(153, 16, 39, 18, 25, 3, 62, 2, 72),
+ CABAC_ENTRY(154, 5, 44, 9, 32, -3, 68, -11, 75),
+ CABAC_ENTRY(155, 4, 52, 5, 43, -20, 81, -3, 71),
+ CABAC_ENTRY(156, 11, 48, 9, 47, 0, 30, 15, 46),
+ CABAC_ENTRY(157, -5, 60, 0, 44, 1, 7, -13, 69),
+ CABAC_ENTRY(158, -1, 59, 0, 51, -3, 23, 0, 62),
+ CABAC_ENTRY(159, 0, 59, 2, 46, -21, 74, 0, 65),
+ CABAC_ENTRY(160, 22, 33, 19, 38, 16, 66, 21, 37),
+ CABAC_ENTRY(161, 5, 44, -4, 66, -23, 124, -15, 72),
+ CABAC_ENTRY(162, 14, 43, 15, 38, 17, 37, 9, 57),
+ CABAC_ENTRY(163, -1, 78, 12, 42, 44, -18, 16, 54),
+ CABAC_ENTRY(164, 0, 60, 9, 34, 50, -34, 0, 62),
+ CABAC_ENTRY(165, 9, 69, 0, 89, -22, 127, 12, 72),
+
+ /* Table 9-20 – Values of variables m and n for ctxIdx from 166 to 226 */
+ CABAC_ENTRY(166, 11, 28, 4, 45, 4, 39, 24, 0),
+ CABAC_ENTRY(167, 2, 40, 10, 28, 0, 42, 15, 9),
+ CABAC_ENTRY(168, 3, 44, 10, 31, 7, 34, 8, 25),
+ CABAC_ENTRY(169, 0, 49, 33, -11, 11, 29, 13, 18),
+ CABAC_ENTRY(170, 0, 46, 52, -43, 8, 31, 15, 9),
+ CABAC_ENTRY(171, 2, 44, 18, 15, 6, 37, 13, 19),
+ CABAC_ENTRY(172, 2, 51, 28, 0, 7, 42, 10, 37),
+ CABAC_ENTRY(173, 0, 47, 35, -22, 3, 40, 12, 18),
+ CABAC_ENTRY(174, 4, 39, 38, -25, 8, 33, 6, 29),
+ CABAC_ENTRY(175, 2, 62, 34, 0, 13, 43, 20, 33),
+ CABAC_ENTRY(176, 6, 46, 39, -18, 13, 36, 15, 30),
+ CABAC_ENTRY(177, 0, 54, 32, -12, 4, 47, 4, 45),
+ CABAC_ENTRY(178, 3, 54, 102, -94, 3, 55, 1, 58),
+ CABAC_ENTRY(179, 2, 58, 0, 0, 2, 58, 0, 62),
+ CABAC_ENTRY(180, 4, 63, 56, -15, 6, 60, 7, 61),
+ CABAC_ENTRY(181, 6, 51, 33, -4, 8, 44, 12, 38),
+ CABAC_ENTRY(182, 6, 57, 29, 10, 11, 44, 11, 45),
+ CABAC_ENTRY(183, 7, 53, 37, -5, 14, 42, 15, 39),
+ CABAC_ENTRY(184, 6, 52, 51, -29, 7, 48, 11, 42),
+ CABAC_ENTRY(185, 6, 55, 39, -9, 4, 56, 13, 44),
+ CABAC_ENTRY(186, 11, 45, 52, -34, 4, 52, 16, 45),
+ CABAC_ENTRY(187, 14, 36, 69, -58, 13, 37, 12, 41),
+ CABAC_ENTRY(188, 8, 53, 67, -63, 9, 49, 10, 49),
+ CABAC_ENTRY(189, -1, 82, 44, -5, 19, 58, 30, 34),
+ CABAC_ENTRY(190, 7, 55, 32, 7, 10, 48, 18, 42),
+ CABAC_ENTRY(191, -3, 78, 55, -29, 12, 45, 10, 55),
+ CABAC_ENTRY(192, 15, 46, 32, 1, 0, 69, 17, 51),
+ CABAC_ENTRY(193, 22, 31, 0, 0, 20, 33, 17, 46),
+ CABAC_ENTRY(194, -1, 84, 27, 36, 8, 63, 0, 89),
+ CABAC_ENTRY(195, 25, 7, 33, -25, 35, -18, 26, -19),
+ CABAC_ENTRY(196, 30, -7, 34, -30, 33, -25, 22, -17),
+ CABAC_ENTRY(197, 28, 3, 36, -28, 28, -3, 26, -17),
+ CABAC_ENTRY(198, 28, 4, 38, -28, 24, 10, 30, -25),
+ CABAC_ENTRY(199, 32, 0, 38, -27, 27, 0, 28, -20),
+ CABAC_ENTRY(200, 34, -1, 34, -18, 34, -14, 33, -23),
+ CABAC_ENTRY(201, 30, 6, 35, -16, 52, -44, 37, -27),
+ CABAC_ENTRY(202, 30, 6, 34, -14, 39, -24, 33, -23),
+ CABAC_ENTRY(203, 32, 9, 32, -8, 19, 17, 40, -28),
+ CABAC_ENTRY(204, 31, 19, 37, -6, 31, 25, 38, -17),
+ CABAC_ENTRY(205, 26, 27, 35, 0, 36, 29, 33, -11),
+ CABAC_ENTRY(206, 26, 30, 30, 10, 24, 33, 40, -15),
+ CABAC_ENTRY(207, 37, 20, 28, 18, 34, 15, 41, -6),
+ CABAC_ENTRY(208, 28, 34, 26, 25, 30, 20, 38, 1),
+ CABAC_ENTRY(209, 17, 70, 29, 41, 22, 73, 41, 17),
+ CABAC_ENTRY(210, 1, 67, 0, 75, 20, 34, 30, -6),
+ CABAC_ENTRY(211, 5, 59, 2, 72, 19, 31, 27, 3),
+ CABAC_ENTRY(212, 9, 67, 8, 77, 27, 44, 26, 22),
+ CABAC_ENTRY(213, 16, 30, 14, 35, 19, 16, 37, -16),
+ CABAC_ENTRY(214, 18, 32, 18, 31, 15, 36, 35, -4),
+ CABAC_ENTRY(215, 18, 35, 17, 35, 15, 36, 38, -8),
+ CABAC_ENTRY(216, 22, 29, 21, 30, 21, 28, 38, -3),
+ CABAC_ENTRY(217, 24, 31, 17, 45, 25, 21, 37, 3),
+ CABAC_ENTRY(218, 23, 38, 20, 42, 30, 20, 38, 5),
+ CABAC_ENTRY(219, 18, 43, 18, 45, 31, 12, 42, 0),
+ CABAC_ENTRY(220, 20, 41, 27, 26, 27, 16, 35, 16),
+ CABAC_ENTRY(221, 11, 63, 16, 54, 24, 42, 39, 22),
+ CABAC_ENTRY(222, 9, 59, 7, 66, 0, 93, 14, 48),
+ CABAC_ENTRY(223, 9, 64, 16, 56, 14, 56, 27, 37),
+ CABAC_ENTRY(224, -1, 94, 11, 73, 15, 57, 21, 60),
+ CABAC_ENTRY(225, -2, 89, 10, 67, 26, 38, 12, 68),
+ CABAC_ENTRY(226, -9, 108, -10, 116, -24, 127, 2, 97),
+
+ /* Table 9-21 – Values of variables m and n for ctxIdx from 227 to 275 */
+ CABAC_ENTRY(227, -6, 76, -23, 112, -24, 115, -3, 71),
+ CABAC_ENTRY(228, -2, 44, -15, 71, -22, 82, -6, 42),
+ CABAC_ENTRY(229, 0, 45, -7, 61, -9, 62, -5, 50),
+ CABAC_ENTRY(230, 0, 52, 0, 53, 0, 53, -3, 54),
+ CABAC_ENTRY(231, -3, 64, -5, 66, 0, 59, -2, 62),
+ CABAC_ENTRY(232, -2, 59, -11, 77, -14, 85, 0, 58),
+ CABAC_ENTRY(233, -4, 70, -9, 80, -13, 89, 1, 63),
+ CABAC_ENTRY(234, -4, 75, -9, 84, -13, 94, -2, 72),
+ CABAC_ENTRY(235, -8, 82, -10, 87, -11, 92, -1, 74),
+ CABAC_ENTRY(236, -17, 102, -34, 127, -29, 127, -9, 91),
+ CABAC_ENTRY(237, -9, 77, -21, 101, -21, 100, -5, 67),
+ CABAC_ENTRY(238, 3, 24, -3, 39, -14, 57, -5, 27),
+ CABAC_ENTRY(239, 0, 42, -5, 53, -12, 67, -3, 39),
+ CABAC_ENTRY(240, 0, 48, -7, 61, -11, 71, -2, 44),
+ CABAC_ENTRY(241, 0, 55, -11, 75, -10, 77, 0, 46),
+ CABAC_ENTRY(242, -6, 59, -15, 77, -21, 85, -16, 64),
+ CABAC_ENTRY(243, -7, 71, -17, 91, -16, 88, -8, 68),
+ CABAC_ENTRY(244, -12, 83, -25, 107, -23, 104, -10, 78),
+ CABAC_ENTRY(245, -11, 87, -25, 111, -15, 98, -6, 77),
+ CABAC_ENTRY(246, -30, 119, -28, 122, -37, 127, -10, 86),
+ CABAC_ENTRY(247, 1, 58, -11, 76, -10, 82, -12, 92),
+ CABAC_ENTRY(248, -3, 29, -10, 44, -8, 48, -15, 55),
+ CABAC_ENTRY(249, -1, 36, -10, 52, -8, 61, -10, 60),
+ CABAC_ENTRY(250, 1, 38, -10, 57, -8, 66, -6, 62),
+ CABAC_ENTRY(251, 2, 43, -9, 58, -7, 70, -4, 65),
+ CABAC_ENTRY(252, -6, 55, -16, 72, -14, 75, -12, 73),
+ CABAC_ENTRY(253, 0, 58, -7, 69, -10, 79, -8, 76),
+ CABAC_ENTRY(254, 0, 64, -4, 69, -9, 83, -7, 80),
+ CABAC_ENTRY(255, -3, 74, -5, 74, -12, 92, -9, 88),
+ CABAC_ENTRY(256, -10, 90, -9, 86, -18, 108, -17, 110),
+ CABAC_ENTRY(257, 0, 70, 2, 66, -4, 79, -11, 97),
+ CABAC_ENTRY(258, -4, 29, -9, 34, -22, 69, -20, 84),
+ CABAC_ENTRY(259, 5, 31, 1, 32, -16, 75, -11, 79),
+ CABAC_ENTRY(260, 7, 42, 11, 31, -2, 58, -6, 73),
+ CABAC_ENTRY(261, 1, 59, 5, 52, 1, 58, -4, 74),
+ CABAC_ENTRY(262, -2, 58, -2, 55, -13, 78, -13, 86),
+ CABAC_ENTRY(263, -3, 72, -2, 67, -9, 83, -13, 96),
+ CABAC_ENTRY(264, -3, 81, 0, 73, -4, 81, -11, 97),
+ CABAC_ENTRY(265, -11, 97, -8, 89, -13, 99, -19, 117),
+ CABAC_ENTRY(266, 0, 58, 3, 52, -13, 81, -8, 78),
+ CABAC_ENTRY(267, 8, 5, 7, 4, -6, 38, -5, 33),
+ CABAC_ENTRY(268, 10, 14, 10, 8, -13, 62, -4, 48),
+ CABAC_ENTRY(269, 14, 18, 17, 8, -6, 58, -2, 53),
+ CABAC_ENTRY(270, 13, 27, 16, 19, -2, 59, -3, 62),
+ CABAC_ENTRY(271, 2, 40, 3, 37, -16, 73, -13, 71),
+ CABAC_ENTRY(272, 0, 58, -1, 61, -10, 76, -10, 79),
+ CABAC_ENTRY(273, -3, 70, -5, 73, -13, 86, -12, 86),
+ CABAC_ENTRY(274, -6, 79, -1, 70, -9, 83, -13, 90),
+ CABAC_ENTRY(275, -8, 85, -4, 78, -10, 87, -14, 97),
+
+ /* Table 9-22 – Values of variables m and n for ctxIdx from 277 to 337 */
+ CABAC_ENTRY(277, -13, 106, -21, 126, -22, 127, -6, 93),
+ CABAC_ENTRY(278, -16, 106, -23, 124, -25, 127, -6, 84),
+ CABAC_ENTRY(279, -10, 87, -20, 110, -25, 120, -8, 79),
+ CABAC_ENTRY(280, -21, 114, -26, 126, -27, 127, 0, 66),
+ CABAC_ENTRY(281, -18, 110, -25, 124, -19, 114, -1, 71),
+ CABAC_ENTRY(282, -14, 98, -17, 105, -23, 117, 0, 62),
+ CABAC_ENTRY(283, -22, 110, -27, 121, -25, 118, -2, 60),
+ CABAC_ENTRY(284, -21, 106, -27, 117, -26, 117, -2, 59),
+ CABAC_ENTRY(285, -18, 103, -17, 102, -24, 113, -5, 75),
+ CABAC_ENTRY(286, -21, 107, -26, 117, -28, 118, -3, 62),
+ CABAC_ENTRY(287, -23, 108, -27, 116, -31, 120, -4, 58),
+ CABAC_ENTRY(288, -26, 112, -33, 122, -37, 124, -9, 66),
+ CABAC_ENTRY(289, -10, 96, -10, 95, -10, 94, -1, 79),
+ CABAC_ENTRY(290, -12, 95, -14, 100, -15, 102, 0, 71),
+ CABAC_ENTRY(291, -5, 91, -8, 95, -10, 99, 3, 68),
+ CABAC_ENTRY(292, -9, 93, -17, 111, -13, 106, 10, 44),
+ CABAC_ENTRY(293, -22, 94, -28, 114, -50, 127, -7, 62),
+ CABAC_ENTRY(294, -5, 86, -6, 89, -5, 92, 15, 36),
+ CABAC_ENTRY(295, 9, 67, -2, 80, 17, 57, 14, 40),
+ CABAC_ENTRY(296, -4, 80, -4, 82, -5, 86, 16, 27),
+ CABAC_ENTRY(297, -10, 85, -9, 85, -13, 94, 12, 29),
+ CABAC_ENTRY(298, -1, 70, -8, 81, -12, 91, 1, 44),
+ CABAC_ENTRY(299, 7, 60, -1, 72, -2, 77, 20, 36),
+ CABAC_ENTRY(300, 9, 58, 5, 64, 0, 71, 18, 32),
+ CABAC_ENTRY(301, 5, 61, 1, 67, -1, 73, 5, 42),
+ CABAC_ENTRY(302, 12, 50, 9, 56, 4, 64, 1, 48),
+ CABAC_ENTRY(303, 15, 50, 0, 69, -7, 81, 10, 62),
+ CABAC_ENTRY(304, 18, 49, 1, 69, 5, 64, 17, 46),
+ CABAC_ENTRY(305, 17, 54, 7, 69, 15, 57, 9, 64),
+ CABAC_ENTRY(306, 10, 41, -7, 69, 1, 67, -12, 104),
+ CABAC_ENTRY(307, 7, 46, -6, 67, 0, 68, -11, 97),
+ CABAC_ENTRY(308, -1, 51, -16, 77, -10, 67, -16, 96),
+ CABAC_ENTRY(309, 7, 49, -2, 64, 1, 68, -7, 88),
+ CABAC_ENTRY(310, 8, 52, 2, 61, 0, 77, -8, 85),
+ CABAC_ENTRY(311, 9, 41, -6, 67, 2, 64, -7, 85),
+ CABAC_ENTRY(312, 6, 47, -3, 64, 0, 68, -9, 85),
+ CABAC_ENTRY(313, 2, 55, 2, 57, -5, 78, -13, 88),
+ CABAC_ENTRY(314, 13, 41, -3, 65, 7, 55, 4, 66),
+ CABAC_ENTRY(315, 10, 44, -3, 66, 5, 59, -3, 77),
+ CABAC_ENTRY(316, 6, 50, 0, 62, 2, 65, -3, 76),
+ CABAC_ENTRY(317, 5, 53, 9, 51, 14, 54, -6, 76),
+ CABAC_ENTRY(318, 13, 49, -1, 66, 15, 44, 10, 58),
+ CABAC_ENTRY(319, 4, 63, -2, 71, 5, 60, -1, 76),
+ CABAC_ENTRY(320, 6, 64, -2, 75, 2, 70, -1, 83),
+ CABAC_ENTRY(321, -2, 69, -1, 70, -2, 76, -7, 99),
+ CABAC_ENTRY(322, -2, 59, -9, 72, -18, 86, -14, 95),
+ CABAC_ENTRY(323, 6, 70, 14, 60, 12, 70, 2, 95),
+ CABAC_ENTRY(324, 10, 44, 16, 37, 5, 64, 0, 76),
+ CABAC_ENTRY(325, 9, 31, 0, 47, -12, 70, -5, 74),
+ CABAC_ENTRY(326, 12, 43, 18, 35, 11, 55, 0, 70),
+ CABAC_ENTRY(327, 3, 53, 11, 37, 5, 56, -11, 75),
+ CABAC_ENTRY(328, 14, 34, 12, 41, 0, 69, 1, 68),
+ CABAC_ENTRY(329, 10, 38, 10, 41, 2, 65, 0, 65),
+ CABAC_ENTRY(330, -3, 52, 2, 48, -6, 74, -14, 73),
+ CABAC_ENTRY(331, 13, 40, 12, 41, 5, 54, 3, 62),
+ CABAC_ENTRY(332, 17, 32, 13, 41, 7, 54, 4, 62),
+ CABAC_ENTRY(333, 7, 44, 0, 59, -6, 76, -1, 68),
+ CABAC_ENTRY(334, 7, 38, 3, 50, -11, 82, -13, 75),
+ CABAC_ENTRY(335, 13, 50, 19, 40, -2, 77, 11, 55),
+ CABAC_ENTRY(336, 10, 57, 3, 66, -2, 77, 5, 64),
+ CABAC_ENTRY(337, 26, 43, 18, 50, 25, 42, 12, 70),
+
+ /* Table 9-23 – Values of variables m and n for ctxIdx from 338 to 398 */
+ CABAC_ENTRY(338, 14, 11, 19, -6, 17, -13, 15, 6),
+ CABAC_ENTRY(339, 11, 14, 18, -6, 16, -9, 6, 19),
+ CABAC_ENTRY(340, 9, 11, 14, 0, 17, -12, 7, 16),
+ CABAC_ENTRY(341, 18, 11, 26, -12, 27, -21, 12, 14),
+ CABAC_ENTRY(342, 21, 9, 31, -16, 37, -30, 18, 13),
+ CABAC_ENTRY(343, 23, -2, 33, -25, 41, -40, 13, 11),
+ CABAC_ENTRY(344, 32, -15, 33, -22, 42, -41, 13, 15),
+ CABAC_ENTRY(345, 32, -15, 37, -28, 48, -47, 15, 16),
+ CABAC_ENTRY(346, 34, -21, 39, -30, 39, -32, 12, 23),
+ CABAC_ENTRY(347, 39, -23, 42, -30, 46, -40, 13, 23),
+ CABAC_ENTRY(348, 42, -33, 47, -42, 52, -51, 15, 20),
+ CABAC_ENTRY(349, 41, -31, 45, -36, 46, -41, 14, 26),
+ CABAC_ENTRY(350, 46, -28, 49, -34, 52, -39, 14, 44),
+ CABAC_ENTRY(351, 38, -12, 41, -17, 43, -19, 17, 40),
+ CABAC_ENTRY(352, 21, 29, 32, 9, 32, 11, 17, 47),
+ CABAC_ENTRY(353, 45, -24, 69, -71, 61, -55, 24, 17),
+ CABAC_ENTRY(354, 53, -45, 63, -63, 56, -46, 21, 21),
+ CABAC_ENTRY(355, 48, -26, 66, -64, 62, -50, 25, 22),
+ CABAC_ENTRY(356, 65, -43, 77, -74, 81, -67, 31, 27),
+ CABAC_ENTRY(357, 43, -19, 54, -39, 45, -20, 22, 29),
+ CABAC_ENTRY(358, 39, -10, 52, -35, 35, -2, 19, 35),
+ CABAC_ENTRY(359, 30, 9, 41, -10, 28, 15, 14, 50),
+ CABAC_ENTRY(360, 18, 26, 36, 0, 34, 1, 10, 57),
+ CABAC_ENTRY(361, 20, 27, 40, -1, 39, 1, 7, 63),
+ CABAC_ENTRY(362, 0, 57, 30, 14, 30, 17, -2, 77),
+ CABAC_ENTRY(363, -14, 82, 28, 26, 20, 38, -4, 82),
+ CABAC_ENTRY(364, -5, 75, 23, 37, 18, 45, -3, 94),
+ CABAC_ENTRY(365, -19, 97, 12, 55, 15, 54, 9, 69),
+ CABAC_ENTRY(366, -35, 125, 11, 65, 0, 79, -12, 109),
+ CABAC_ENTRY(367, 27, 0, 37, -33, 36, -16, 36, -35),
+ CABAC_ENTRY(368, 28, 0, 39, -36, 37, -14, 36, -34),
+ CABAC_ENTRY(369, 31, -4, 40, -37, 37, -17, 32, -26),
+ CABAC_ENTRY(370, 27, 6, 38, -30, 32, 1, 37, -30),
+ CABAC_ENTRY(371, 34, 8, 46, -33, 34, 15, 44, -32),
+ CABAC_ENTRY(372, 30, 10, 42, -30, 29, 15, 34, -18),
+ CABAC_ENTRY(373, 24, 22, 40, -24, 24, 25, 34, -15),
+ CABAC_ENTRY(374, 33, 19, 49, -29, 34, 22, 40, -15),
+ CABAC_ENTRY(375, 22, 32, 38, -12, 31, 16, 33, -7),
+ CABAC_ENTRY(376, 26, 31, 40, -10, 35, 18, 35, -5),
+ CABAC_ENTRY(377, 21, 41, 38, -3, 31, 28, 33, 0),
+ CABAC_ENTRY(378, 26, 44, 46, -5, 33, 41, 38, 2),
+ CABAC_ENTRY(379, 23, 47, 31, 20, 36, 28, 33, 13),
+ CABAC_ENTRY(380, 16, 65, 29, 30, 27, 47, 23, 35),
+ CABAC_ENTRY(381, 14, 71, 25, 44, 21, 62, 13, 58),
+ CABAC_ENTRY(382, 8, 60, 12, 48, 18, 31, 29, -3),
+ CABAC_ENTRY(383, 6, 63, 11, 49, 19, 26, 26, 0),
+ CABAC_ENTRY(384, 17, 65, 26, 45, 36, 24, 22, 30),
+ CABAC_ENTRY(385, 21, 24, 22, 22, 24, 23, 31, -7),
+ CABAC_ENTRY(386, 23, 20, 23, 22, 27, 16, 35, -15),
+ CABAC_ENTRY(387, 26, 23, 27, 21, 24, 30, 34, -3),
+ CABAC_ENTRY(388, 27, 32, 33, 20, 31, 29, 34, 3),
+ CABAC_ENTRY(389, 28, 23, 26, 28, 22, 41, 36, -1),
+ CABAC_ENTRY(390, 28, 24, 30, 24, 22, 42, 34, 5),
+ CABAC_ENTRY(391, 23, 40, 27, 34, 16, 60, 32, 11),
+ CABAC_ENTRY(392, 24, 32, 18, 42, 15, 52, 35, 5),
+ CABAC_ENTRY(393, 28, 29, 25, 39, 14, 60, 34, 12),
+ CABAC_ENTRY(394, 23, 42, 18, 50, 3, 78, 39, 11),
+ CABAC_ENTRY(395, 19, 57, 12, 70, -16, 123, 30, 29),
+ CABAC_ENTRY(396, 22, 53, 21, 54, 21, 53, 34, 26),
+ CABAC_ENTRY(397, 22, 61, 14, 71, 22, 56, 29, 39),
+ CABAC_ENTRY(398, 11, 86, 11, 83, 25, 61, 19, 66),
+
+ /* Values of variables m and n for ctxIdx from 399 to 463 (not documented) */
+ CABAC_ENTRY(399, 12, 40, 25, 32, 21, 33, 31, 21),
+ CABAC_ENTRY(400, 11, 51, 21, 49, 19, 50, 31, 31),
+ CABAC_ENTRY(401, 14, 59, 21, 54, 17, 61, 25, 50),
+ CABAC_ENTRY(402, -4, 79, -5, 85, -3, 78, -17, 120),
+ CABAC_ENTRY(403, -7, 71, -6, 81, -8, 74, -20, 112),
+ CABAC_ENTRY(404, -5, 69, -10, 77, -9, 72, -18, 114),
+ CABAC_ENTRY(405, -9, 70, -7, 81, -10, 72, -11, 85),
+ CABAC_ENTRY(406, -8, 66, -17, 80, -18, 75, -15, 92),
+ CABAC_ENTRY(407, -10, 68, -18, 73, -12, 71, -14, 89),
+ CABAC_ENTRY(408, -19, 73, -4, 74, -11, 63, -26, 71),
+ CABAC_ENTRY(409, -12, 69, -10, 83, -5, 70, -15, 81),
+ CABAC_ENTRY(410, -16, 70, -9, 71, -17, 75, -14, 80),
+ CABAC_ENTRY(411, -15, 67, -9, 67, -14, 72, 0, 68),
+ CABAC_ENTRY(412, -20, 62, -1, 61, -16, 67, -14, 70),
+ CABAC_ENTRY(413, -19, 70, -8, 66, -8, 53, -24, 56),
+ CABAC_ENTRY(414, -16, 66, -14, 66, -14, 59, -23, 68),
+ CABAC_ENTRY(415, -22, 65, 0, 59, -9, 52, -24, 50),
+ CABAC_ENTRY(416, -20, 63, 2, 59, -11, 68, -11, 74),
+ CABAC_ENTRY(417, 9, -2, 17, -10, 9, -2, 23, -13),
+ CABAC_ENTRY(418, 26, -9, 32, -13, 30, -10, 26, -13),
+ CABAC_ENTRY(419, 33, -9, 42, -9, 31, -4, 40, -15),
+ CABAC_ENTRY(420, 39, -7, 49, -5, 33, -1, 49, -14),
+ CABAC_ENTRY(421, 41, -2, 53, 0, 33, 7, 44, 3),
+ CABAC_ENTRY(422, 45, 3, 64, 3, 31, 12, 45, 6),
+ CABAC_ENTRY(423, 49, 9, 68, 10, 37, 23, 44, 34),
+ CABAC_ENTRY(424, 45, 27, 66, 27, 31, 38, 33, 54),
+ CABAC_ENTRY(425, 36, 59, 47, 57, 20, 64, 19, 82),
+ CABAC_ENTRY(426, -6, 66, -5, 71, -9, 71, -3, 75),
+ CABAC_ENTRY(427, -7, 35, 0, 24, -7, 37, -1, 23),
+ CABAC_ENTRY(428, -7, 42, -1, 36, -8, 44, 1, 34),
+ CABAC_ENTRY(429, -8, 45, -2, 42, -11, 49, 1, 43),
+ CABAC_ENTRY(430, -5, 48, -2, 52, -10, 56, 0, 54),
+ CABAC_ENTRY(431, -12, 56, -9, 57, -12, 59, -2, 55),
+ CABAC_ENTRY(432, -6, 60, -6, 63, -8, 63, 0, 61),
+ CABAC_ENTRY(433, -5, 62, -4, 65, -9, 67, 1, 64),
+ CABAC_ENTRY(434, -8, 66, -4, 67, -6, 68, 0, 68),
+ CABAC_ENTRY(435, -8, 76, -7, 82, -10, 79, -9, 92),
+ CABAC_ENTRY(436, -5, 85, -3, 81, -3, 78, -14, 106),
+ CABAC_ENTRY(437, -6, 81, -3, 76, -8, 74, -13, 97),
+ CABAC_ENTRY(438, -10, 77, -7, 72, -9, 72, -15, 90),
+ CABAC_ENTRY(439, -7, 81, -6, 78, -10, 72, -12, 90),
+ CABAC_ENTRY(440, -17, 80, -12, 72, -18, 75, -18, 88),
+ CABAC_ENTRY(441, -18, 73, -14, 68, -12, 71, -10, 73),
+ CABAC_ENTRY(442, -4, 74, -3, 70, -11, 63, -9, 79),
+ CABAC_ENTRY(443, -10, 83, -6, 76, -5, 70, -14, 86),
+ CABAC_ENTRY(444, -9, 71, -5, 66, -17, 75, -10, 73),
+ CABAC_ENTRY(445, -9, 67, -5, 62, -14, 72, -10, 70),
+ CABAC_ENTRY(446, -1, 61, 0, 57, -16, 67, -10, 69),
+ CABAC_ENTRY(447, -8, 66, -4, 61, -8, 53, -5, 66),
+ CABAC_ENTRY(448, -14, 66, -9, 60, -14, 59, -9, 64),
+ CABAC_ENTRY(449, 0, 59, 1, 54, -9, 52, -5, 58),
+ CABAC_ENTRY(450, 2, 59, 2, 58, -11, 68, 2, 59),
+ CABAC_ENTRY(451, 21, -13, 17, -10, 9, -2, 21, -10),
+ CABAC_ENTRY(452, 33, -14, 32, -13, 30, -10, 24, -11),
+ CABAC_ENTRY(453, 39, -7, 42, -9, 31, -4, 28, -8),
+ CABAC_ENTRY(454, 46, -2, 49, -5, 33, -1, 28, -1),
+ CABAC_ENTRY(455, 51, 2, 53, 0, 33, 7, 29, 3),
+ CABAC_ENTRY(456, 60, 6, 64, 3, 31, 12, 29, 9),
+ CABAC_ENTRY(457, 61, 17, 68, 10, 37, 23, 35, 20),
+ CABAC_ENTRY(458, 55, 34, 66, 27, 31, 38, 29, 36),
+ CABAC_ENTRY(459, 42, 62, 47, 57, 20, 64, 14, 67),
+};
+
+static void set_ps_field(u32 *buf, struct rkvdec_ps_field field, u32 value)
+{
+ u8 bit = field.offset % 32, word = field.offset / 32;
+ u64 mask = GENMASK_ULL(bit + field.len - 1, bit);
+ u64 val = ((u64)value << bit) & mask;
+
+ buf[word] &= ~mask;
+ buf[word] |= val;
+ if (bit + field.len > 32) {
+ buf[word + 1] &= ~(mask >> 32);
+ buf[word + 1] |= val >> 32;
+ }
+}
+
+static void assemble_hw_pps(struct rkvdec_ctx *ctx,
+ struct rkvdec_h264_run *run)
+{
+ struct rkvdec_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 rkvdec_h264_priv_tbl *priv_tbl = h264_ctx->priv_tbl.cpu;
+ struct rkvdec_sps_pps_packet *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));
+
+#define WRITE_PPS(value, field) set_ps_field(hw_ps->info, field, value)
+ /* write sps */
+ WRITE_PPS(0xf, SEQ_PARAMETER_SET_ID);
+ WRITE_PPS(0xff, PROFILE_IDC);
+ WRITE_PPS(1, CONSTRAINT_SET3_FLAG);
+ WRITE_PPS(sps->chroma_format_idc, CHROMA_FORMAT_IDC);
+ WRITE_PPS(sps->bit_depth_luma_minus8 + 8, BIT_DEPTH_LUMA);
+ WRITE_PPS(sps->bit_depth_chroma_minus8 + 8, BIT_DEPTH_CHROMA);
+ WRITE_PPS(0, QPPRIME_Y_ZERO_TRANSFORM_BYPASS_FLAG);
+ WRITE_PPS(sps->log2_max_frame_num_minus4, LOG2_MAX_FRAME_NUM_MINUS4);
+ WRITE_PPS(sps->max_num_ref_frames, MAX_NUM_REF_FRAMES);
+ WRITE_PPS(sps->pic_order_cnt_type, PIC_ORDER_CNT_TYPE);
+ WRITE_PPS(sps->log2_max_pic_order_cnt_lsb_minus4,
+ LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4);
+ WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO),
+ DELTA_PIC_ORDER_ALWAYS_ZERO_FLAG);
+ WRITE_PPS(DIV_ROUND_UP(ctx->coded_fmt.fmt.pix_mp.width, 16), PIC_WIDTH_IN_MBS);
+ WRITE_PPS(DIV_ROUND_UP(ctx->coded_fmt.fmt.pix_mp.height, 16), PIC_HEIGHT_IN_MBS);
+ WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY),
+ FRAME_MBS_ONLY_FLAG);
+ WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD),
+ MB_ADAPTIVE_FRAME_FIELD_FLAG);
+ WRITE_PPS(!!(sps->flags & V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE),
+ DIRECT_8X8_INFERENCE_FLAG);
+
+ /* write pps */
+ WRITE_PPS(0xff, PIC_PARAMETER_SET_ID);
+ WRITE_PPS(0x1f, PPS_SEQ_PARAMETER_SET_ID);
+ WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE),
+ ENTROPY_CODING_MODE_FLAG);
+ WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT),
+ BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT_FLAG);
+ WRITE_PPS(pps->num_ref_idx_l0_default_active_minus1,
+ NUM_REF_IDX_L_DEFAULT_ACTIVE_MINUS1(0));
+ WRITE_PPS(pps->num_ref_idx_l1_default_active_minus1,
+ NUM_REF_IDX_L_DEFAULT_ACTIVE_MINUS1(1));
+ WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_WEIGHTED_PRED),
+ WEIGHTED_PRED_FLAG);
+ WRITE_PPS(pps->weighted_bipred_idc, WEIGHTED_BIPRED_IDC);
+ WRITE_PPS(pps->pic_init_qp_minus26, PIC_INIT_QP_MINUS26);
+ WRITE_PPS(pps->pic_init_qs_minus26, PIC_INIT_QS_MINUS26);
+ WRITE_PPS(pps->chroma_qp_index_offset, CHROMA_QP_INDEX_OFFSET);
+ WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT),
+ DEBLOCKING_FILTER_CONTROL_PRESENT_FLAG);
+ WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED),
+ CONSTRAINED_INTRA_PRED_FLAG);
+ WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT),
+ REDUNDANT_PIC_CNT_PRESENT);
+ WRITE_PPS(!!(pps->flags & V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE),
+ TRANSFORM_8X8_MODE_FLAG);
+ WRITE_PPS(pps->second_chroma_qp_index_offset,
+ SECOND_CHROMA_QP_INDEX_OFFSET);
+
+ /* always use the matrix sent from userspace */
+ WRITE_PPS(1, SCALING_LIST_ENABLE_FLAG);
+
+ scaling_distance = offsetof(struct rkvdec_h264_priv_tbl, scaling_list);
+ scaling_list_address = h264_ctx->priv_tbl.dma + scaling_distance;
+ WRITE_PPS(scaling_list_address, SCALING_LIST_ADDRESS);
+
+ for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
+ u32 is_longterm = 0;
+
+ if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)
+ is_longterm = 1;
+
+ WRITE_PPS(is_longterm, IS_LONG_TERM(i));
+ }
+}
+
+static void assemble_hw_rps(struct rkvdec_ctx *ctx,
+ struct rkvdec_h264_run *run)
+{
+ const struct v4l2_ctrl_h264_decode_params *dec_params = run->decode_params;
+ const struct v4l2_ctrl_h264_slice_params *sl_params = &run->slices_params[0];
+ const struct v4l2_h264_dpb_entry *dpb = dec_params->dpb;
+ struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+ const struct v4l2_ctrl_h264_sps *sps = run->sps;
+ struct rkvdec_h264_priv_tbl *priv_tbl = h264_ctx->priv_tbl.cpu;
+ u32 max_frame_num = 1 << (sps->log2_max_frame_num_minus4 + 4);
+
+ u32 *hw_rps = priv_tbl->rps;
+ u32 i, j;
+ u16 *p = (u16 *)hw_rps;
+
+ 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;
+
+ if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM ||
+ dpb[i].frame_num < sl_params->frame_num) {
+ p[i] = dpb[i].frame_num;
+ continue;
+ }
+
+ p[i] = dpb[i].frame_num - max_frame_num;
+ }
+
+ for (j = 0; j < RKVDEC_NUM_REFLIST; j++) {
+ for (i = 0; i < h264_ctx->reflists.num_valid; i++) {
+ u8 dpb_valid = 0;
+ u8 idx = 0;
+
+ switch (j) {
+ case 0:
+ idx = h264_ctx->reflists.p[i];
+ break;
+ case 1:
+ idx = h264_ctx->reflists.b0[i];
+ break;
+ case 2:
+ idx = h264_ctx->reflists.b1[i];
+ break;
+ }
+
+ if (idx >= ARRAY_SIZE(dec_params->dpb))
+ continue;
+ dpb_valid = !!(dpb[idx].flags &
+ V4L2_H264_DPB_ENTRY_FLAG_ACTIVE);
+
+ set_ps_field(hw_rps, DPB_INFO(i, j),
+ idx | dpb_valid << 4);
+ }
+ }
+}
+
+/*
+ * NOTE: The values in a scaling list are in zig-zag order, apply inverse
+ * scanning process to get the values in matrix order.
+ */
+static const u32 zig_zag_4x4[16] = {
+ 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
+};
+
+static const u32 zig_zag_8x8[64] = {
+ 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5,
+ 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28,
+ 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
+ 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
+};
+
+static void reorder_scaling_list(struct rkvdec_ctx *ctx,
+ struct rkvdec_h264_run *run)
+{
+ const struct v4l2_ctrl_h264_scaling_matrix *scaling = run->scaling_matrix;
+ const size_t num_list_4x4 = ARRAY_SIZE(scaling->scaling_list_4x4);
+ const size_t list_len_4x4 = ARRAY_SIZE(scaling->scaling_list_4x4[0]);
+ const size_t num_list_8x8 = ARRAY_SIZE(scaling->scaling_list_8x8);
+ const size_t list_len_8x8 = ARRAY_SIZE(scaling->scaling_list_8x8[0]);
+ struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+ struct rkvdec_h264_priv_tbl *tbl = h264_ctx->priv_tbl.cpu;
+ u8 *dst = tbl->scaling_list;
+ const u8 *src;
+ int i, j;
+
+ BUILD_BUG_ON(ARRAY_SIZE(zig_zag_4x4) != list_len_4x4);
+ BUILD_BUG_ON(ARRAY_SIZE(zig_zag_8x8) != list_len_8x8);
+ BUILD_BUG_ON(ARRAY_SIZE(tbl->scaling_list) <
+ num_list_4x4 * list_len_4x4 +
+ num_list_8x8 * list_len_8x8);
+
+ src = &scaling->scaling_list_4x4[0][0];
+ for (i = 0; i < num_list_4x4; ++i) {
+ for (j = 0; j < list_len_4x4; ++j)
+ dst[zig_zag_4x4[j]] = src[j];
+ src += list_len_4x4;
+ dst += list_len_4x4;
+ }
+
+ src = &scaling->scaling_list_8x8[0][0];
+ for (i = 0; i < num_list_8x8; ++i) {
+ for (j = 0; j < list_len_8x8; ++j)
+ dst[zig_zag_8x8[j]] = src[j];
+ src += list_len_8x8;
+ dst += list_len_8x8;
+ }
+}
+
+/*
+ * dpb poc related registers table
+ */
+static const u32 poc_reg_tbl_top_field[16] = {
+ RKVDEC_REG_H264_POC_REFER0(0),
+ RKVDEC_REG_H264_POC_REFER0(2),
+ RKVDEC_REG_H264_POC_REFER0(4),
+ RKVDEC_REG_H264_POC_REFER0(6),
+ RKVDEC_REG_H264_POC_REFER0(8),
+ RKVDEC_REG_H264_POC_REFER0(10),
+ RKVDEC_REG_H264_POC_REFER0(12),
+ RKVDEC_REG_H264_POC_REFER0(14),
+ RKVDEC_REG_H264_POC_REFER1(1),
+ RKVDEC_REG_H264_POC_REFER1(3),
+ RKVDEC_REG_H264_POC_REFER1(5),
+ RKVDEC_REG_H264_POC_REFER1(7),
+ RKVDEC_REG_H264_POC_REFER1(9),
+ RKVDEC_REG_H264_POC_REFER1(11),
+ RKVDEC_REG_H264_POC_REFER1(13),
+ RKVDEC_REG_H264_POC_REFER2(0)
+};
+
+static const u32 poc_reg_tbl_bottom_field[16] = {
+ RKVDEC_REG_H264_POC_REFER0(1),
+ RKVDEC_REG_H264_POC_REFER0(3),
+ RKVDEC_REG_H264_POC_REFER0(5),
+ RKVDEC_REG_H264_POC_REFER0(7),
+ RKVDEC_REG_H264_POC_REFER0(9),
+ RKVDEC_REG_H264_POC_REFER0(11),
+ RKVDEC_REG_H264_POC_REFER0(13),
+ RKVDEC_REG_H264_POC_REFER1(0),
+ RKVDEC_REG_H264_POC_REFER1(2),
+ RKVDEC_REG_H264_POC_REFER1(4),
+ RKVDEC_REG_H264_POC_REFER1(6),
+ RKVDEC_REG_H264_POC_REFER1(8),
+ RKVDEC_REG_H264_POC_REFER1(10),
+ RKVDEC_REG_H264_POC_REFER1(12),
+ RKVDEC_REG_H264_POC_REFER1(14),
+ RKVDEC_REG_H264_POC_REFER2(1)
+};
+
+static struct vb2_buffer *
+get_ref_buf(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run,
+ unsigned int dpb_idx)
+{
+ 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;
+ int buf_idx = -1;
+
+ if (dpb[dpb_idx].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
+ buf_idx = vb2_find_timestamp(cap_q,
+ dpb[dpb_idx].reference_ts, 0);
+
+ /*
+ * If a DPB entry is unused or invalid, address of current destination
+ * buffer is returned.
+ */
+ if (buf_idx < 0)
+ return &run->base.bufs.dst->vb2_buf;
+
+ return vb2_get_buffer(cap_q, buf_idx);
+}
+
+static void config_registers(struct rkvdec_ctx *ctx,
+ struct rkvdec_h264_run *run)
+{
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ 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 rkvdec_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;
+ const struct v4l2_format *f;
+ dma_addr_t rlc_addr;
+ dma_addr_t refer_addr;
+ u32 rlc_len;
+ u32 hor_virstride = 0;
+ u32 ver_virstride = 0;
+ u32 y_virstride = 0;
+ u32 yuv_virstride = 0;
+ u32 offset;
+ dma_addr_t dst_addr;
+ u32 reg, i;
+
+ reg = RKVDEC_MODE(RKVDEC_MODE_H264);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_SYSCTRL);
+
+ 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;
+
+ 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;
+
+ reg = RKVDEC_Y_HOR_VIRSTRIDE(hor_virstride / 16) |
+ RKVDEC_UV_HOR_VIRSTRIDE(hor_virstride / 16) |
+ RKVDEC_SLICE_NUM_HIGHBIT |
+ RKVDEC_SLICE_NUM_LOWBITS(0x7ff);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_PICPAR);
+
+ /* config rlc base address */
+ rlc_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
+ writel_relaxed(rlc_addr, rkvdec->regs + RKVDEC_REG_STRM_RLC_BASE);
+ writel_relaxed(rlc_addr, rkvdec->regs + RKVDEC_REG_RLCWRITE_BASE);
+
+ rlc_len = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
+ reg = RKVDEC_STRM_LEN(rlc_len);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_STRM_LEN);
+
+ /* config cabac table */
+ offset = offsetof(struct rkvdec_h264_priv_tbl, cabac_table);
+ writel_relaxed(priv_start_addr + offset,
+ rkvdec->regs + RKVDEC_REG_CABACTBL_PROB_BASE);
+
+ /* config output base address */
+ dst_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
+ writel_relaxed(dst_addr, rkvdec->regs + RKVDEC_REG_DECOUT_BASE);
+
+ reg = RKVDEC_Y_VIRSTRIDE(y_virstride / 16);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_Y_VIRSTRIDE);
+
+ reg = RKVDEC_YUV_VIRSTRIDE(yuv_virstride / 16);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_YUV_VIRSTRIDE);
+
+ /* config ref pic address & poc */
+ for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
+ struct vb2_buffer *vb_buf = get_ref_buf(ctx, run, i);
+
+ refer_addr = vb2_dma_contig_plane_dma_addr(vb_buf, 0) |
+ RKVDEC_COLMV_USED_FLAG_REF;
+
+ if (!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_FIELD))
+ refer_addr |= RKVDEC_TOPFIELD_USED_REF |
+ RKVDEC_BOTFIELD_USED_REF;
+ else if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD)
+ refer_addr |= RKVDEC_BOTFIELD_USED_REF;
+ else
+ refer_addr |= RKVDEC_TOPFIELD_USED_REF;
+
+ writel_relaxed(dpb[i].top_field_order_cnt,
+ rkvdec->regs + poc_reg_tbl_top_field[i]);
+ writel_relaxed(dpb[i].bottom_field_order_cnt,
+ rkvdec->regs + poc_reg_tbl_bottom_field[i]);
+
+ if (i < V4L2_H264_NUM_DPB_ENTRIES - 1)
+ writel_relaxed(refer_addr,
+ rkvdec->regs + RKVDEC_REG_H264_BASE_REFER(i));
+ else
+ writel_relaxed(refer_addr,
+ rkvdec->regs + RKVDEC_REG_H264_BASE_REFER15);
+ }
+
+ /*
+ * Since support frame mode only
+ * top_field_order_cnt is the same as bottom_field_order_cnt
+ */
+ reg = RKVDEC_CUR_POC(dec_params->top_field_order_cnt);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_CUR_POC0);
+
+ reg = RKVDEC_CUR_POC(dec_params->bottom_field_order_cnt);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_CUR_POC1);
+
+ /* config hw pps address */
+ offset = offsetof(struct rkvdec_h264_priv_tbl, param_set);
+ writel_relaxed(priv_start_addr + offset,
+ rkvdec->regs + RKVDEC_REG_PPS_BASE);
+
+ /* config hw rps address */
+ offset = offsetof(struct rkvdec_h264_priv_tbl, rps);
+ writel_relaxed(priv_start_addr + offset,
+ rkvdec->regs + RKVDEC_REG_RPS_BASE);
+
+ reg = RKVDEC_AXI_DDR_RDATA(0);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_AXI_DDR_RDATA);
+
+ reg = RKVDEC_AXI_DDR_WDATA(0);
+ writel_relaxed(reg, rkvdec->regs + RKVDEC_REG_AXI_DDR_WDATA);
+
+ offset = offsetof(struct rkvdec_h264_priv_tbl, err_info);
+ writel_relaxed(priv_start_addr + offset,
+ rkvdec->regs + RKVDEC_REG_H264_ERRINFO_BASE);
+}
+
+#define RKVDEC_H264_MAX_DEPTH_IN_BYTES 2
+
+static int rkvdec_h264_adjust_fmt(struct rkvdec_ctx *ctx,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
+
+ fmt->num_planes = 1;
+ fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height *
+ RKVDEC_H264_MAX_DEPTH_IN_BYTES;
+ return 0;
+}
+
+static int rkvdec_h264_start(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ struct rkvdec_h264_priv_tbl *priv_tbl;
+ struct rkvdec_h264_ctx *h264_ctx;
+ int 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, rkvdec_h264_cabac_table,
+ sizeof(rkvdec_h264_cabac_table));
+
+ ctx->priv = h264_ctx;
+ return 0;
+
+err_free_ctx:
+ kfree(h264_ctx);
+ return ret;
+}
+
+static void rkvdec_h264_stop(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+ struct rkvdec_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 rkvdec_h264_run_preamble(struct rkvdec_ctx *ctx,
+ struct rkvdec_h264_run *run)
+{
+ struct v4l2_ctrl *ctrl;
+
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS);
+ run->decode_params = ctrl ? ctrl->p_cur.p : NULL;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS);
+ run->slices_params = ctrl ? ctrl->p_cur.p : NULL;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_H264_SPS);
+ run->sps = ctrl ? ctrl->p_cur.p : NULL;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_H264_PPS);
+ run->pps = ctrl ? ctrl->p_cur.p : NULL;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX);
+ run->scaling_matrix = ctrl ? ctrl->p_cur.p : NULL;
+
+ rkvdec_run_preamble(ctx, &run->base);
+}
+
+static int rkvdec_h264_run(struct rkvdec_ctx *ctx)
+{
+ struct v4l2_h264_reflist_builder reflist_builder;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+ struct rkvdec_h264_run run;
+
+ rkvdec_h264_run_preamble(ctx, &run);
+
+ /* Build the P/B{0,1} ref lists. */
+ v4l2_h264_init_reflist_builder(&reflist_builder, run.decode_params,
+ &run.slices_params[0], run.sps,
+ run.decode_params->dpb);
+ h264_ctx->reflists.num_valid = reflist_builder.num_valid;
+ 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);
+
+ reorder_scaling_list(ctx, &run);
+ assemble_hw_pps(ctx, &run);
+ assemble_hw_rps(ctx, &run);
+ config_registers(ctx, &run);
+
+ rkvdec_run_postamble(ctx, &run.base);
+
+ schedule_delayed_work(&rkvdec->watchdog_work, msecs_to_jiffies(2000));
+
+ writel(0xffffffff, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
+ writel(0xffffffff, rkvdec->regs + RKVDEC_REG_H264_ERR_E);
+ writel(1, rkvdec->regs + RKVDEC_REG_PREF_LUMA_CACHE_COMMAND);
+ writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND);
+
+ /* Start decoding! */
+ writel(RKVDEC_INTERRUPT_DEC_E | RKVDEC_CONFIG_DEC_CLK_GATE_E |
+ RKVDEC_TIMEOUT_E | RKVDEC_BUF_EMPTY_E,
+ rkvdec->regs + RKVDEC_REG_INTERRUPT);
+
+ return 0;
+}
+
+const struct rkvdec_coded_fmt_ops rkvdec_h264_fmt_ops = {
+ .adjust_fmt = rkvdec_h264_adjust_fmt,
+ .start = rkvdec_h264_start,
+ .stop = rkvdec_h264_stop,
+ .run = rkvdec_h264_run,
+};
diff --git a/drivers/staging/media/rkvdec/rkvdec-regs.h b/drivers/staging/media/rkvdec/rkvdec-regs.h
new file mode 100644
index 0000000000000000000000000000000000000000..15b9bee92016cfd85689368c83c7f271f1bd727f
--- /dev/null
+++ b/drivers/staging/media/rkvdec/rkvdec-regs.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef RKVDEC_REGS_H_
+#define RKVDEC_REGS_H_
+
+/* rkvcodec registers */
+#define RKVDEC_REG_INTERRUPT 0x004
+#define RKVDEC_INTERRUPT_DEC_E BIT(0)
+#define RKVDEC_CONFIG_DEC_CLK_GATE_E BIT(1)
+#define RKVDEC_E_STRMD_CLKGATE_DIS BIT(2)
+#define RKVDEC_TIMEOUT_MODE BIT(3)
+#define RKVDEC_IRQ_DIS BIT(4)
+#define RKVDEC_TIMEOUT_E BIT(5)
+#define RKVDEC_BUF_EMPTY_E BIT(6)
+#define RKVDEC_STRM_E_WAITDECFIFO_EMPTY BIT(7)
+#define RKVDEC_IRQ BIT(8)
+#define RKVDEC_IRQ_RAW BIT(9)
+#define RKVDEC_E_REWRITE_VALID BIT(10)
+#define RKVDEC_COMMONIRQ_MODE BIT(11)
+#define RKVDEC_RDY_STA BIT(12)
+#define RKVDEC_BUS_STA BIT(13)
+#define RKVDEC_ERR_STA BIT(14)
+#define RKVDEC_TIMEOUT_STA BIT(15)
+#define RKVDEC_BUF_EMPTY_STA BIT(16)
+#define RKVDEC_COLMV_REF_ERR_STA BIT(17)
+#define RKVDEC_CABU_END_STA BIT(18)
+#define RKVDEC_H264ORVP9_ERR_MODE BIT(19)
+#define RKVDEC_SOFTRST_EN_P BIT(20)
+#define RKVDEC_FORCE_SOFTRESET_VALID BIT(21)
+#define RKVDEC_SOFTRESET_RDY BIT(22)
+
+#define RKVDEC_REG_SYSCTRL 0x008
+#define RKVDEC_IN_ENDIAN BIT(0)
+#define RKVDEC_IN_SWAP32_E BIT(1)
+#define RKVDEC_IN_SWAP64_E BIT(2)
+#define RKVDEC_STR_ENDIAN BIT(3)
+#define RKVDEC_STR_SWAP32_E BIT(4)
+#define RKVDEC_STR_SWAP64_E BIT(5)
+#define RKVDEC_OUT_ENDIAN BIT(6)
+#define RKVDEC_OUT_SWAP32_E BIT(7)
+#define RKVDEC_OUT_CBCR_SWAP BIT(8)
+#define RKVDEC_RLC_MODE_DIRECT_WRITE BIT(10)
+#define RKVDEC_RLC_MODE BIT(11)
+#define RKVDEC_STRM_START_BIT(x) (((x) & 0x7f) << 12)
+#define RKVDEC_MODE(x) (((x) & 0x03) << 20)
+#define RKVDEC_MODE_H264 1
+#define RKVDEC_MODE_VP9 2
+#define RKVDEC_RPS_MODE BIT(24)
+#define RKVDEC_STRM_MODE BIT(25)
+#define RKVDEC_H264_STRM_LASTPKT BIT(26)
+#define RKVDEC_H264_FIRSTSLICE_FLAG BIT(27)
+#define RKVDEC_H264_FRAME_ORSLICE BIT(28)
+#define RKVDEC_BUSPR_SLOT_DIS BIT(29)
+
+#define RKVDEC_REG_PICPAR 0x00C
+#define RKVDEC_Y_HOR_VIRSTRIDE(x) ((x) & 0x1ff)
+#define RKVDEC_SLICE_NUM_HIGHBIT BIT(11)
+#define RKVDEC_UV_HOR_VIRSTRIDE(x) (((x) & 0x1ff) << 12)
+#define RKVDEC_SLICE_NUM_LOWBITS(x) (((x) & 0x7ff) << 21)
+
+#define RKVDEC_REG_STRM_RLC_BASE 0x010
+
+#define RKVDEC_REG_STRM_LEN 0x014
+#define RKVDEC_STRM_LEN(x) ((x) & 0x7ffffff)
+
+#define RKVDEC_REG_CABACTBL_PROB_BASE 0x018
+#define RKVDEC_REG_DECOUT_BASE 0x01C
+
+#define RKVDEC_REG_Y_VIRSTRIDE 0x020
+#define RKVDEC_Y_VIRSTRIDE(x) ((x) & 0xfffff)
+
+#define RKVDEC_REG_YUV_VIRSTRIDE 0x024
+#define RKVDEC_YUV_VIRSTRIDE(x) ((x) & 0x1fffff)
+#define RKVDEC_REG_H264_BASE_REFER(i) (((i) * 0x04) + 0x028)
+
+#define RKVDEC_REG_H264_BASE_REFER15 0x0C0
+#define RKVDEC_FIELD_REF BIT(0)
+#define RKVDEC_TOPFIELD_USED_REF BIT(1)
+#define RKVDEC_BOTFIELD_USED_REF BIT(2)
+#define RKVDEC_COLMV_USED_FLAG_REF BIT(3)
+
+#define RKVDEC_REG_VP9_LAST_FRAME_BASE 0x02c
+#define RKVDEC_REG_VP9_GOLDEN_FRAME_BASE 0x030
+#define RKVDEC_REG_VP9_ALTREF_FRAME_BASE 0x034
+
+#define RKVDEC_REG_VP9_CPRHEADER_OFFSET 0x028
+#define RKVDEC_VP9_CPRHEADER_OFFSET(x) ((x) & 0xffff)
+
+#define RKVDEC_REG_VP9_REFERLAST_BASE 0x02C
+#define RKVDEC_REG_VP9_REFERGOLDEN_BASE 0x030
+#define RKVDEC_REG_VP9_REFERALFTER_BASE 0x034
+
+#define RKVDEC_REG_VP9COUNT_BASE 0x038
+#define RKVDEC_VP9COUNT_UPDATE_EN BIT(0)
+
+#define RKVDEC_REG_VP9_SEGIDLAST_BASE 0x03C
+#define RKVDEC_REG_VP9_SEGIDCUR_BASE 0x040
+#define RKVDEC_REG_VP9_FRAME_SIZE(i) ((i) * 0x04 + 0x044)
+#define RKVDEC_VP9_FRAMEWIDTH(x) (((x) & 0xffff) << 0)
+#define RKVDEC_VP9_FRAMEHEIGHT(x) (((x) & 0xffff) << 16)
+
+#define RKVDEC_VP9_SEGID_GRP(i) ((i) * 0x04 + 0x050)
+#define RKVDEC_SEGID_ABS_DELTA(x) ((x) & 0x1)
+#define RKVDEC_SEGID_FRAME_QP_DELTA_EN(x) (((x) & 0x1) << 1)
+#define RKVDEC_SEGID_FRAME_QP_DELTA(x) (((x) & 0x1ff) << 2)
+#define RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE_EN(x) (((x) & 0x1) << 11)
+#define RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE(x) (((x) & 0x7f) << 12)
+#define RKVDEC_SEGID_REFERINFO_EN(x) (((x) & 0x1) << 19)
+#define RKVDEC_SEGID_REFERINFO(x) (((x) & 0x03) << 20)
+#define RKVDEC_SEGID_FRAME_SKIP_EN(x) (((x) & 0x1) << 22)
+
+#define RKVDEC_VP9_CPRHEADER_CONFIG 0x070
+#define RKVDEC_VP9_TX_MODE(x) ((x) & 0x07)
+#define RKVDEC_VP9_FRAME_REF_MODE(x) (((x) & 0x03) << 3)
+
+#define RKVDEC_VP9_REF_SCALE(i) ((i) * 0x04 + 0x074)
+#define RKVDEC_VP9_REF_HOR_SCALE(x) ((x) & 0xffff)
+#define RKVDEC_VP9_REF_VER_SCALE(x) (((x) & 0xffff) << 16)
+
+#define RKVDEC_VP9_REF_DELTAS_LASTFRAME 0x080
+#define RKVDEC_REF_DELTAS_LASTFRAME(pos, val) (((val) & 0x7f) << ((pos) * 7))
+
+#define RKVDEC_VP9_INFO_LASTFRAME 0x084
+#define RKVDEC_MODE_DELTAS_LASTFRAME(pos, val) (((val) & 0x7f) << ((pos) * 7))
+#define RKVDEC_SEG_EN_LASTFRAME BIT(16)
+#define RKVDEC_LAST_SHOW_FRAME BIT(17)
+#define RKVDEC_LAST_INTRA_ONLY BIT(18)
+#define RKVDEC_LAST_WIDHHEIGHT_EQCUR BIT(19)
+#define RKVDEC_COLOR_SPACE_LASTKEYFRAME(x) (((x) & 0x07) << 20)
+
+#define RKVDEC_VP9_INTERCMD_BASE 0x088
+
+#define RKVDEC_VP9_INTERCMD_NUM 0x08C
+#define RKVDEC_INTERCMD_NUM(x) ((x) & 0xffffff)
+
+#define RKVDEC_VP9_LASTTILE_SIZE 0x090
+#define RKVDEC_LASTTILE_SIZE(x) ((x) & 0xffffff)
+
+#define RKVDEC_VP9_HOR_VIRSTRIDE(i) ((i) * 0x04 + 0x094)
+#define RKVDEC_HOR_Y_VIRSTRIDE(x) ((x) & 0x1ff)
+#define RKVDEC_HOR_UV_VIRSTRIDE(x) (((x) & 0x1ff) << 16)
+
+#define RKVDEC_REG_H264_POC_REFER0(i) (((i) * 0x04) + 0x064)
+#define RKVDEC_REG_H264_POC_REFER1(i) (((i) * 0x04) + 0x0C4)
+#define RKVDEC_REG_H264_POC_REFER2(i) (((i) * 0x04) + 0x120)
+#define RKVDEC_POC_REFER(x) ((x) & 0xffffffff)
+
+#define RKVDEC_REG_CUR_POC0 0x0A0
+#define RKVDEC_REG_CUR_POC1 0x128
+#define RKVDEC_CUR_POC(x) ((x) & 0xffffffff)
+
+#define RKVDEC_REG_RLCWRITE_BASE 0x0A4
+#define RKVDEC_REG_PPS_BASE 0x0A8
+#define RKVDEC_REG_RPS_BASE 0x0AC
+
+#define RKVDEC_REG_STRMD_ERR_EN 0x0B0
+#define RKVDEC_STRMD_ERR_EN(x) ((x) & 0xffffffff)
+
+#define RKVDEC_REG_STRMD_ERR_STA 0x0B4
+#define RKVDEC_STRMD_ERR_STA(x) ((x) & 0xfffffff)
+#define RKVDEC_COLMV_ERR_REF_PICIDX(x) (((x) & 0x0f) << 28)
+
+#define RKVDEC_REG_STRMD_ERR_CTU 0x0B8
+#define RKVDEC_STRMD_ERR_CTU(x) ((x) & 0xff)
+#define RKVDEC_STRMD_ERR_CTU_YOFFSET(x) (((x) & 0xff) << 8)
+#define RKVDEC_STRMFIFO_SPACE2FULL(x) (((x) & 0x7f) << 16)
+#define RKVDEC_VP9_ERR_EN_CTU0 BIT(24)
+
+#define RKVDEC_REG_SAO_CTU_POS 0x0BC
+#define RKVDEC_SAOWR_XOFFSET(x) ((x) & 0x1ff)
+#define RKVDEC_SAOWR_YOFFSET(x) (((x) & 0x3ff) << 16)
+
+#define RKVDEC_VP9_LAST_FRAME_YSTRIDE 0x0C0
+#define RKVDEC_VP9_GOLDEN_FRAME_YSTRIDE 0x0C4
+#define RKVDEC_VP9_ALTREF_FRAME_YSTRIDE 0x0C8
+#define RKVDEC_VP9_REF_YSTRIDE(x) (((x) & 0xfffff) << 0)
+
+#define RKVDEC_VP9_LAST_FRAME_YUVSTRIDE 0x0CC
+#define RKVDEC_VP9_REF_YUVSTRIDE(x) (((x) & 0x1fffff) << 0)
+
+#define RKVDEC_VP9_REF_COLMV_BASE 0x0D0
+
+#define RKVDEC_REG_PERFORMANCE_CYCLE 0x100
+#define RKVDEC_PERFORMANCE_CYCLE(x) ((x) & 0xffffffff)
+
+#define RKVDEC_REG_AXI_DDR_RDATA 0x104
+#define RKVDEC_AXI_DDR_RDATA(x) ((x) & 0xffffffff)
+
+#define RKVDEC_REG_AXI_DDR_WDATA 0x108
+#define RKVDEC_AXI_DDR_WDATA(x) ((x) & 0xffffffff)
+
+#define RKVDEC_REG_FPGADEBUG_RESET 0x10C
+#define RKVDEC_BUSIFD_RESETN BIT(0)
+#define RKVDEC_CABAC_RESETN BIT(1)
+#define RKVDEC_DEC_CTRL_RESETN BIT(2)
+#define RKVDEC_TRANSD_RESETN BIT(3)
+#define RKVDEC_INTRA_RESETN BIT(4)
+#define RKVDEC_INTER_RESETN BIT(5)
+#define RKVDEC_RECON_RESETN BIT(6)
+#define RKVDEC_FILER_RESETN BIT(7)
+
+#define RKVDEC_REG_PERFORMANCE_SEL 0x110
+#define RKVDEC_PERF_SEL_CNT0(x) ((x) & 0x3f)
+#define RKVDEC_PERF_SEL_CNT1(x) (((x) & 0x3f) << 8)
+#define RKVDEC_PERF_SEL_CNT2(x) (((x) & 0x3f) << 16)
+
+#define RKVDEC_REG_PERFORMANCE_CNT(i) ((i) * 0x04 + 0x114)
+#define RKVDEC_PERF_CNT(x) ((x) & 0xffffffff)
+
+#define RKVDEC_REG_H264_ERRINFO_BASE 0x12C
+
+#define RKVDEC_REG_H264_ERRINFO_NUM 0x130
+#define RKVDEC_SLICEDEC_NUM(x) ((x) & 0x3fff)
+#define RKVDEC_STRMD_DECT_ERR_FLAG BIT(15)
+#define RKVDEC_ERR_PKT_NUM(x) (((x) & 0x3fff) << 16)
+
+#define RKVDEC_REG_H264_ERR_E 0x134
+#define RKVDEC_H264_ERR_EN_HIGHBITS(x) ((x) & 0x3fffffff)
+
+#define RKVDEC_REG_PREF_LUMA_CACHE_COMMAND 0x410
+#define RKVDEC_REG_PREF_CHR_CACHE_COMMAND 0x450
+
+#endif /* RKVDEC_REGS_H_ */
diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
new file mode 100644
index 0000000000000000000000000000000000000000..225eeca73356e50686d7c943de21c6f686ed6d25
--- /dev/null
+++ b/drivers/staging/media/rkvdec/rkvdec.c
@@ -0,0 +1,1103 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip Video Decoder driver
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ *
+ * Based on rkvdec driver by Google LLC. (Tomasz Figa <tfiga@chromium.org>)
+ * Based on s5p-mfc driver by Samsung Electronics Co., Ltd.
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ */
+
+#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 "rkvdec.h"
+#include "rkvdec-regs.h"
+
+static const struct rkvdec_ctrl_desc rkvdec_h264_ctrl_descs[] = {
+ {
+ .per_request = true,
+ .mandatory = true,
+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
+ },
+ {
+ .per_request = true,
+ .mandatory = true,
+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
+ },
+ {
+ .per_request = true,
+ .mandatory = true,
+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_SPS,
+ },
+ {
+ .per_request = true,
+ .mandatory = true,
+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_PPS,
+ },
+ {
+ .per_request = true,
+ .mandatory = true,
+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX,
+ },
+ {
+ .mandatory = true,
+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE,
+ .cfg.min = V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED,
+ .cfg.max = V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED,
+ .cfg.def = V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED,
+ },
+ {
+ .mandatory = true,
+ .cfg.id = V4L2_CID_MPEG_VIDEO_H264_START_CODE,
+ .cfg.min = V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B,
+ .cfg.def = V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B,
+ .cfg.max = V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B,
+ },
+};
+
+static const struct rkvdec_ctrls rkvdec_h264_ctrls = {
+ .ctrls = rkvdec_h264_ctrl_descs,
+ .num_ctrls = ARRAY_SIZE(rkvdec_h264_ctrl_descs),
+};
+
+static const u32 rkvdec_h264_decoded_fmts[] = {
+ V4L2_PIX_FMT_NV12,
+};
+
+static const struct rkvdec_coded_fmt_desc rkvdec_coded_fmts[] = {
+ {
+ .fourcc = V4L2_PIX_FMT_H264_SLICE,
+ .frmsize = {
+ .min_width = 48,
+ .max_width = 4096,
+ .step_width = 16,
+ .min_height = 48,
+ .max_height = 2304,
+ .step_height = 16,
+ },
+ .ctrls = &rkvdec_h264_ctrls,
+ .ops = &rkvdec_h264_fmt_ops,
+ .num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_decoded_fmts),
+ .decoded_fmts = rkvdec_h264_decoded_fmts,
+ }
+};
+
+static const struct rkvdec_coded_fmt_desc *
+rkvdec_find_coded_fmt_desc(u32 fourcc)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(rkvdec_coded_fmts); i++) {
+ if (rkvdec_coded_fmts[i].fourcc == fourcc)
+ return &rkvdec_coded_fmts[i];
+ }
+
+ return NULL;
+}
+
+static void rkvdec_reset_fmt(struct rkvdec_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 rkvdec_reset_coded_fmt(struct rkvdec_ctx *ctx)
+{
+ struct v4l2_format *f = &ctx->coded_fmt;
+
+ ctx->coded_fmt_desc = &rkvdec_coded_fmts[0];
+ rkvdec_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 rkvdec_reset_decoded_fmt(struct rkvdec_ctx *ctx)
+{
+ struct v4l2_format *f = &ctx->decoded_fmt;
+
+ rkvdec_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);
+ 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 rkvdec_enum_framesizes(struct file *file, void *priv,
+ struct v4l2_frmsizeenum *fsize)
+{
+ const struct rkvdec_coded_fmt_desc *fmt;
+
+ if (fsize->index != 0)
+ return -EINVAL;
+
+ fmt = rkvdec_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 rkvdec_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct rkvdec_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 rkvdec_try_capture_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
+ const struct rkvdec_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. */
+ 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 rkvdec_try_output_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
+ const struct rkvdec_coded_fmt_desc *desc;
+
+ desc = rkvdec_find_coded_fmt_desc(pix_mp->pixelformat);
+ if (!desc) {
+ pix_mp->pixelformat = rkvdec_coded_fmts[0].fourcc;
+ desc = &rkvdec_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 rkvdec_s_fmt(struct file *file, void *priv,
+ struct v4l2_format *f,
+ int (*try_fmt)(struct file *, void *,
+ struct v4l2_format *))
+{
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
+ struct vb2_queue *vq;
+
+ if (!try_fmt)
+ return -EINVAL;
+
+ vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
+ if (vb2_is_busy(vq))
+ return -EBUSY;
+
+ return try_fmt(file, priv, f);
+}
+
+static int rkvdec_s_capture_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
+ int ret;
+
+ ret = rkvdec_s_fmt(file, priv, f, rkvdec_try_capture_fmt);
+ if (ret)
+ return ret;
+
+ ctx->decoded_fmt = *f;
+ return 0;
+}
+
+static int rkvdec_s_output_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
+ const struct rkvdec_coded_fmt_desc *desc;
+ struct v4l2_format *cap_fmt;
+ struct vb2_queue *peer_vq;
+ int ret;
+
+ /*
+ * 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 = rkvdec_s_fmt(file, priv, f, rkvdec_try_output_fmt);
+ if (ret)
+ return ret;
+
+ desc = rkvdec_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 propagates any size changes to the decoded format.
+ */
+ rkvdec_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;
+
+ return 0;
+}
+
+static int rkvdec_g_output_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
+
+ *f = ctx->coded_fmt;
+ return 0;
+}
+
+static int rkvdec_g_capture_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv);
+
+ *f = ctx->decoded_fmt;
+ return 0;
+}
+
+static int rkvdec_enum_output_fmt(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ if (f->index >= ARRAY_SIZE(rkvdec_coded_fmts))
+ return -EINVAL;
+
+ f->pixelformat = rkvdec_coded_fmts[f->index].fourcc;
+ return 0;
+}
+
+static int rkvdec_enum_capture_fmt(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_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 rkvdec_ioctl_ops = {
+ .vidioc_querycap = rkvdec_querycap,
+ .vidioc_enum_framesizes = rkvdec_enum_framesizes,
+
+ .vidioc_try_fmt_vid_cap_mplane = rkvdec_try_capture_fmt,
+ .vidioc_try_fmt_vid_out_mplane = rkvdec_try_output_fmt,
+ .vidioc_s_fmt_vid_out_mplane = rkvdec_s_output_fmt,
+ .vidioc_s_fmt_vid_cap_mplane = rkvdec_s_capture_fmt,
+ .vidioc_g_fmt_vid_out_mplane = rkvdec_g_output_fmt,
+ .vidioc_g_fmt_vid_cap_mplane = rkvdec_g_capture_fmt,
+ .vidioc_enum_fmt_vid_out = rkvdec_enum_output_fmt,
+ .vidioc_enum_fmt_vid_cap = rkvdec_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,
+};
+
+static int rkvdec_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers,
+ unsigned int *num_planes, unsigned int sizes[],
+ struct device *alloc_devs[])
+{
+ struct rkvdec_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 rkvdec_buf_prepare(struct vb2_buffer *vb)
+{
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct rkvdec_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;
+ }
+ vb2_set_plane_payload(vb, 0, f->fmt.pix_mp.plane_fmt[0].sizeimage);
+ return 0;
+}
+
+static void rkvdec_buf_queue(struct vb2_buffer *vb)
+{
+ struct rkvdec_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 rkvdec_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 rkvdec_buf_request_complete(struct vb2_buffer *vb)
+{
+ struct rkvdec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+
+ v4l2_ctrl_request_complete(vb->req_obj.req, &ctx->ctrl_hdl);
+}
+
+static int rkvdec_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct rkvdec_ctx *ctx = vb2_get_drv_priv(q);
+ const struct rkvdec_coded_fmt_desc *desc;
+ int ret;
+
+ if (!V4L2_TYPE_IS_OUTPUT(q->type))
+ return 0;
+
+ desc = ctx->coded_fmt_desc;
+ if (WARN_ON(!desc))
+ return -EINVAL;
+
+ if (desc->ops->start) {
+ ret = desc->ops->start(ctx);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static void rkvdec_queue_cleanup(struct vb2_queue *vq, u32 state)
+{
+ struct rkvdec_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 rkvdec_stop_streaming(struct vb2_queue *q)
+{
+ struct rkvdec_ctx *ctx = vb2_get_drv_priv(q);
+
+ if (V4L2_TYPE_IS_OUTPUT(q->type)) {
+ const struct rkvdec_coded_fmt_desc *desc = ctx->coded_fmt_desc;
+
+ if (WARN_ON(!desc))
+ return;
+
+ if (desc->ops->stop)
+ desc->ops->stop(ctx);
+ }
+
+ rkvdec_queue_cleanup(q, VB2_BUF_STATE_ERROR);
+}
+
+static const struct vb2_ops rkvdec_queue_ops = {
+ .queue_setup = rkvdec_queue_setup,
+ .buf_prepare = rkvdec_buf_prepare,
+ .buf_queue = rkvdec_buf_queue,
+ .buf_out_validate = rkvdec_buf_out_validate,
+ .buf_request_complete = rkvdec_buf_request_complete,
+ .start_streaming = rkvdec_start_streaming,
+ .stop_streaming = rkvdec_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
+
+static int rkvdec_request_validate(struct media_request *req)
+{
+ struct media_request_object *obj;
+ const struct rkvdec_ctrls *ctrls;
+ struct v4l2_ctrl_handler *hdl;
+ struct rkvdec_ctx *ctx = NULL;
+ unsigned int count, i;
+ int ret;
+
+ list_for_each_entry(obj, &req->objects, list) {
+ if (vb2_request_object_is_buffer(obj)) {
+ struct vb2_buffer *vb;
+
+ vb = container_of(obj, struct vb2_buffer, req_obj);
+ ctx = vb2_get_drv_priv(vb->vb2_queue);
+ break;
+ }
+ }
+
+ if (!ctx)
+ return -EINVAL;
+
+ count = vb2_request_buffer_cnt(req);
+ if (!count)
+ return -ENOENT;
+ else if (count > 1)
+ return -EINVAL;
+
+ hdl = v4l2_ctrl_request_hdl_find(req, &ctx->ctrl_hdl);
+ if (!hdl)
+ return -ENOENT;
+
+ ret = 0;
+ ctrls = ctx->coded_fmt_desc->ctrls;
+ for (i = 0; ctrls && i < ctrls->num_ctrls; i++) {
+ u32 id = ctrls->ctrls[i].cfg.id;
+ struct v4l2_ctrl *ctrl;
+
+ if (!ctrls->ctrls[i].per_request || !ctrls->ctrls[i].mandatory)
+ continue;
+
+ ctrl = v4l2_ctrl_request_hdl_ctrl_find(hdl, id);
+ if (!ctrl) {
+ ret = -ENOENT;
+ break;
+ }
+ }
+
+ v4l2_ctrl_request_hdl_put(hdl);
+
+ if (ret)
+ return ret;
+
+ return vb2_request_validate(req);
+}
+
+static const struct media_device_ops rkvdec_media_ops = {
+ .req_validate = rkvdec_request_validate,
+ .req_queue = v4l2_m2m_request_queue,
+};
+
+static void rkvdec_job_finish_no_pm(struct rkvdec_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 rkvdec_job_finish(struct rkvdec_ctx *ctx,
+ enum vb2_buffer_state result)
+{
+ struct rkvdec_dev *rkvdec = ctx->dev;
+
+ pm_runtime_mark_last_busy(rkvdec->dev);
+ pm_runtime_put_autosuspend(rkvdec->dev);
+ rkvdec_job_finish_no_pm(ctx, result);
+}
+
+void rkvdec_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_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 rkvdec_run_postamble(struct rkvdec_ctx *ctx, struct rkvdec_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 rkvdec_device_run(void *priv)
+{
+ struct rkvdec_ctx *ctx = priv;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ const struct rkvdec_coded_fmt_desc *desc = ctx->coded_fmt_desc;
+ int ret;
+
+ if (WARN_ON(!desc))
+ return;
+
+ ret = pm_runtime_get_sync(rkvdec->dev);
+ if (ret < 0) {
+ rkvdec_job_finish_no_pm(ctx, VB2_BUF_STATE_ERROR);
+ return;
+ }
+
+ ret = desc->ops->run(ctx);
+ if (ret)
+ rkvdec_job_finish(ctx, VB2_BUF_STATE_ERROR);
+}
+
+static struct v4l2_m2m_ops rkvdec_m2m_ops = {
+ .device_run = rkvdec_device_run,
+};
+
+static int rkvdec_queue_init(void *priv,
+ struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
+{
+ struct rkvdec_ctx *ctx = priv;
+ struct rkvdec_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 = &rkvdec_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 = &rkvdec_queue_ops;
+ dst_vq->buf_struct_size = sizeof(struct rkvdec_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 rkvdec_add_ctrls(struct rkvdec_ctx *ctx,
+ const struct rkvdec_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 rkvdec_init_ctrls(struct rkvdec_ctx *ctx)
+{
+ unsigned int i, nctrls = 0;
+ int ret;
+
+ for (i = 0; i < ARRAY_SIZE(rkvdec_coded_fmts); i++)
+ nctrls += rkvdec_coded_fmts[i].ctrls->num_ctrls;
+
+ v4l2_ctrl_handler_init(&ctx->ctrl_hdl, nctrls);
+
+ for (i = 0; i < ARRAY_SIZE(rkvdec_coded_fmts); i++) {
+ ret = rkvdec_add_ctrls(ctx, rkvdec_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 rkvdec_open(struct file *filp)
+{
+ struct rkvdec_dev *rkvdec = video_drvdata(filp);
+ struct rkvdec_ctx *ctx;
+ int ret;
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->dev = rkvdec;
+ rkvdec_reset_coded_fmt(ctx);
+ rkvdec_reset_decoded_fmt(ctx);
+ v4l2_fh_init(&ctx->fh, video_devdata(filp));
+
+ ret = rkvdec_init_ctrls(ctx);
+ if (ret)
+ goto err_free_ctx;
+
+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(rkvdec->m2m_dev, ctx,
+ rkvdec_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 rkvdec_release(struct file *filp)
+{
+ struct rkvdec_ctx *ctx = fh_to_rkvdec_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 rkvdec_fops = {
+ .owner = THIS_MODULE,
+ .open = rkvdec_open,
+ .release = rkvdec_release,
+ .poll = v4l2_m2m_fop_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = v4l2_m2m_fop_mmap,
+};
+
+static int rkvdec_v4l2_init(struct rkvdec_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(&rkvdec_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, "rkvdec", sizeof(rkvdec->mdev.model));
+ strscpy(rkvdec->mdev.bus_info, "platform:rkvdec",
+ sizeof(rkvdec->mdev.bus_info));
+ media_device_init(&rkvdec->mdev);
+ rkvdec->mdev.ops = &rkvdec_media_ops;
+ rkvdec->v4l2_dev.mdev = &rkvdec->mdev;
+
+ rkvdec->vdev.lock = &rkvdec->vdev_lock;
+ rkvdec->vdev.v4l2_dev = &rkvdec->v4l2_dev;
+ rkvdec->vdev.fops = &rkvdec_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 = &rkvdec_ioctl_ops;
+ video_set_drvdata(&rkvdec->vdev, rkvdec);
+ strscpy(rkvdec->vdev.name, "rkvdec", 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 rkvdec_v4l2_cleanup(struct rkvdec_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 rkvdec_irq_handler(int irq, void *priv)
+{
+ struct rkvdec_dev *rkvdec = priv;
+ enum vb2_buffer_state state;
+ u32 status;
+
+ status = readl(rkvdec->regs + RKVDEC_REG_INTERRUPT);
+ state = (status & RKVDEC_RDY_STA) ?
+ VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
+
+ writel(0, rkvdec->regs + RKVDEC_REG_INTERRUPT);
+ if (cancel_delayed_work(&rkvdec->watchdog_work)) {
+ struct rkvdec_ctx *ctx;
+
+ ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);
+ rkvdec_job_finish(ctx, state);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void rkvdec_watchdog_func(struct work_struct *work)
+{
+ struct rkvdec_dev *rkvdec;
+ struct rkvdec_ctx *ctx;
+
+ rkvdec = container_of(to_delayed_work(work), struct rkvdec_dev,
+ watchdog_work);
+ ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);
+ if (ctx) {
+ dev_err(rkvdec->dev, "Frame processing timed out!\n");
+ writel(RKVDEC_IRQ_DIS, rkvdec->regs + RKVDEC_REG_INTERRUPT);
+ writel(0, rkvdec->regs + RKVDEC_REG_SYSCTRL);
+ rkvdec_job_finish(ctx, VB2_BUF_STATE_ERROR);
+ }
+}
+
+static const struct of_device_id of_rkvdec_match[] = {
+ { .compatible = "rockchip,rk3399-vdec" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_rkvdec_match);
+
+static const char * const rkvdec_clk_names[] = {
+ "axi", "ahb", "cabac", "core"
+};
+
+static int rkvdec_probe(struct platform_device *pdev)
+{
+ struct rkvdec_dev *rkvdec;
+ struct resource *res;
+ 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, rkvdec_watchdog_func);
+
+ rkvdec->clocks = devm_kcalloc(&pdev->dev, ARRAY_SIZE(rkvdec_clk_names),
+ sizeof(*rkvdec->clocks), GFP_KERNEL);
+ if (!rkvdec->clocks)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(rkvdec_clk_names); i++)
+ rkvdec->clocks[i].id = rkvdec_clk_names[i];
+
+ ret = devm_clk_bulk_get(&pdev->dev, ARRAY_SIZE(rkvdec_clk_names),
+ rkvdec->clocks);
+ if (ret)
+ return ret;
+
+ /*
+ * Bump ACLK to max. possible freq. (500 MHz) to improve performance
+ * When 4k video playback.
+ */
+ clk_set_rate(rkvdec->clocks[0].clk, 500 * 1000 * 1000);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ rkvdec->regs = devm_ioremap_resource(&pdev->dev, res);
+ 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) {
+ dev_err(&pdev->dev, "Could not get vdec IRQ\n");
+ return -ENXIO;
+ }
+
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+ rkvdec_irq_handler, IRQF_ONESHOT,
+ dev_name(&pdev->dev), rkvdec);
+ if (ret) {
+ dev_err(&pdev->dev, "Could not request vdec IRQ\n");
+ return ret;
+ }
+
+ pm_runtime_set_autosuspend_delay(&pdev->dev, 100);
+ pm_runtime_use_autosuspend(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
+ ret = rkvdec_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 int rkvdec_remove(struct platform_device *pdev)
+{
+ struct rkvdec_dev *rkvdec = platform_get_drvdata(pdev);
+
+ rkvdec_v4l2_cleanup(rkvdec);
+ pm_runtime_disable(&pdev->dev);
+ pm_runtime_dont_use_autosuspend(&pdev->dev);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int rkvdec_runtime_resume(struct device *dev)
+{
+ struct rkvdec_dev *rkvdec = dev_get_drvdata(dev);
+
+ return clk_bulk_prepare_enable(ARRAY_SIZE(rkvdec_clk_names),
+ rkvdec->clocks);
+}
+
+static int rkvdec_runtime_suspend(struct device *dev)
+{
+ struct rkvdec_dev *rkvdec = dev_get_drvdata(dev);
+
+ clk_bulk_disable_unprepare(ARRAY_SIZE(rkvdec_clk_names),
+ rkvdec->clocks);
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops rkvdec_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(rkvdec_runtime_suspend, rkvdec_runtime_resume, NULL)
+};
+
+static struct platform_driver rkvdec_driver = {
+ .probe = rkvdec_probe,
+ .remove = rkvdec_remove,
+ .driver = {
+ .name = "rkvdec",
+ .of_match_table = of_match_ptr(of_rkvdec_match),
+ .pm = &rkvdec_pm_ops,
+ },
+};
+module_platform_driver(rkvdec_driver);
+
+MODULE_AUTHOR("Boris Brezillon <boris.brezillon@collabora.com>");
+MODULE_DESCRIPTION("Rockchip Video Decoder driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
new file mode 100644
index 0000000000000000000000000000000000000000..2fc9f46b6910058528e988994a90bcd81f44f6d6
--- /dev/null
+++ b/drivers/staging/media/rkvdec/rkvdec.h
@@ -0,0 +1,121 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Rockchip Video Decoder driver
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ *
+ * Based on rkvdec driver by Google LLC. (Tomasz Figa <tfiga@chromium.org>)
+ * Based on s5p-mfc driver by Samsung Electronics Co., Ltd.
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ */
+#ifndef RKVDEC_H_
+#define RKVDEC_H_
+
+#include <linux/platform_device.h>
+#include <linux/videodev2.h>
+#include <linux/wait.h>
+#include <linux/clk.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>
+
+struct rkvdec_ctx;
+
+struct rkvdec_ctrl_desc {
+ u32 per_request : 1;
+ u32 mandatory : 1;
+ struct v4l2_ctrl_config cfg;
+};
+
+struct rkvdec_ctrls {
+ const struct rkvdec_ctrl_desc *ctrls;
+ unsigned int num_ctrls;
+};
+
+struct rkvdec_run {
+ struct {
+ struct vb2_v4l2_buffer *src;
+ struct vb2_v4l2_buffer *dst;
+ } bufs;
+};
+
+struct rkvdec_vp9_decoded_buffer_info {
+ /* Info needed when the decoded frame serves as a reference frame. */
+ u16 width;
+ u16 height;
+ u32 bit_depth : 4;
+};
+
+struct rkvdec_decoded_buffer {
+ /* Must be the first field in this struct. */
+ struct v4l2_m2m_buffer base;
+};
+
+static inline struct rkvdec_decoded_buffer *
+vb2_to_rkvdec_decoded_buf(struct vb2_buffer *buf)
+{
+ return container_of(buf, struct rkvdec_decoded_buffer,
+ base.vb.vb2_buf);
+}
+
+struct rkvdec_coded_fmt_ops {
+ int (*adjust_fmt)(struct rkvdec_ctx *ctx,
+ struct v4l2_format *f);
+ int (*start)(struct rkvdec_ctx *ctx);
+ void (*stop)(struct rkvdec_ctx *ctx);
+ int (*run)(struct rkvdec_ctx *ctx);
+ void (*done)(struct rkvdec_ctx *ctx, struct vb2_v4l2_buffer *src_buf,
+ struct vb2_v4l2_buffer *dst_buf,
+ enum vb2_buffer_state result);
+};
+
+struct rkvdec_coded_fmt_desc {
+ u32 fourcc;
+ struct v4l2_frmsize_stepwise frmsize;
+ const struct rkvdec_ctrls *ctrls;
+ const struct rkvdec_coded_fmt_ops *ops;
+ unsigned int num_decoded_fmts;
+ const u32 *decoded_fmts;
+};
+
+struct rkvdec_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 rkvdec_ctx {
+ struct v4l2_fh fh;
+ struct v4l2_format coded_fmt;
+ struct v4l2_format decoded_fmt;
+ const struct rkvdec_coded_fmt_desc *coded_fmt_desc;
+ struct v4l2_ctrl_handler ctrl_hdl;
+ struct rkvdec_dev *dev;
+ void *priv;
+};
+
+static inline struct rkvdec_ctx *fh_to_rkvdec_ctx(struct v4l2_fh *fh)
+{
+ return container_of(fh, struct rkvdec_ctx, fh);
+}
+
+struct rkvdec_aux_buf {
+ void *cpu;
+ dma_addr_t dma;
+ size_t size;
+};
+
+void rkvdec_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);
+void rkvdec_run_postamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);
+
+extern const struct rkvdec_coded_fmt_ops rkvdec_h264_fmt_ops;
+#endif /* RKVDEC_H_ */