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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/staging/media/meson
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/media/meson')
-rw-r--r--drivers/staging/media/meson/vdec/Kconfig11
-rw-r--r--drivers/staging/media/meson/vdec/Makefile8
-rw-r--r--drivers/staging/media/meson/vdec/TODO8
-rw-r--r--drivers/staging/media/meson/vdec/codec_h264.c485
-rw-r--r--drivers/staging/media/meson/vdec/codec_h264.h14
-rw-r--r--drivers/staging/media/meson/vdec/codec_hevc_common.c297
-rw-r--r--drivers/staging/media/meson/vdec/codec_hevc_common.h69
-rw-r--r--drivers/staging/media/meson/vdec/codec_mpeg12.c210
-rw-r--r--drivers/staging/media/meson/vdec/codec_mpeg12.h14
-rw-r--r--drivers/staging/media/meson/vdec/codec_vp9.c2172
-rw-r--r--drivers/staging/media/meson/vdec/codec_vp9.h13
-rw-r--r--drivers/staging/media/meson/vdec/dos_regs.h98
-rw-r--r--drivers/staging/media/meson/vdec/esparser.c459
-rw-r--r--drivers/staging/media/meson/vdec/esparser.h36
-rw-r--r--drivers/staging/media/meson/vdec/hevc_regs.h218
-rw-r--r--drivers/staging/media/meson/vdec/vdec.c1131
-rw-r--r--drivers/staging/media/meson/vdec/vdec.h288
-rw-r--r--drivers/staging/media/meson/vdec/vdec_1.c247
-rw-r--r--drivers/staging/media/meson/vdec/vdec_1.h14
-rw-r--r--drivers/staging/media/meson/vdec/vdec_helpers.c480
-rw-r--r--drivers/staging/media/meson/vdec/vdec_helpers.h90
-rw-r--r--drivers/staging/media/meson/vdec/vdec_hevc.c235
-rw-r--r--drivers/staging/media/meson/vdec/vdec_hevc.h13
-rw-r--r--drivers/staging/media/meson/vdec/vdec_platform.c282
-rw-r--r--drivers/staging/media/meson/vdec/vdec_platform.h34
25 files changed, 6926 insertions, 0 deletions
diff --git a/drivers/staging/media/meson/vdec/Kconfig b/drivers/staging/media/meson/vdec/Kconfig
new file mode 100644
index 000000000..19ffea987
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/Kconfig
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config VIDEO_MESON_VDEC
+ tristate "Amlogic video decoder driver"
+ depends on VIDEO_DEV && HAS_DMA
+ depends on ARCH_MESON || COMPILE_TEST
+ select VIDEOBUF2_DMA_CONTIG
+ select V4L2_MEM2MEM_DEV
+ select MESON_CANVAS
+ help
+ Support for the video decoder found in gxbb/gxl/gxm chips.
diff --git a/drivers/staging/media/meson/vdec/Makefile b/drivers/staging/media/meson/vdec/Makefile
new file mode 100644
index 000000000..6e726af84
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for Amlogic meson video decoder driver
+
+meson-vdec-objs = esparser.o vdec.o vdec_helpers.o vdec_platform.o
+meson-vdec-objs += vdec_1.o vdec_hevc.o
+meson-vdec-objs += codec_mpeg12.o codec_h264.o codec_hevc_common.o codec_vp9.o
+
+obj-$(CONFIG_VIDEO_MESON_VDEC) += meson-vdec.o
diff --git a/drivers/staging/media/meson/vdec/TODO b/drivers/staging/media/meson/vdec/TODO
new file mode 100644
index 000000000..70ae990cf
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/TODO
@@ -0,0 +1,8 @@
+This driver is in staging until the V4L2 documentation about stateful video
+decoders is finalized, as well as the corresponding compliance tests.
+
+It is at the moment not guaranteed to work properly with a userspace
+stack that follows the latest version of the specification, especially
+with compression standards like MPEG1/2 where the driver does not support
+dynamic resolution switching, including the first one used to determine coded
+resolution.
diff --git a/drivers/staging/media/meson/vdec/codec_h264.c b/drivers/staging/media/meson/vdec/codec_h264.c
new file mode 100644
index 000000000..c61128fc4
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_h264.c
@@ -0,0 +1,485 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "vdec_helpers.h"
+#include "dos_regs.h"
+#include "codec_h264.h"
+
+#define SIZE_EXT_FW (20 * SZ_1K)
+#define SIZE_WORKSPACE 0x1ee000
+#define SIZE_SEI (8 * SZ_1K)
+
+/*
+ * Offset added by the firmware which must be substracted
+ * from the workspace phyaddr
+ */
+#define WORKSPACE_BUF_OFFSET 0x1000000
+
+/* ISR status */
+#define CMD_MASK GENMASK(7, 0)
+#define CMD_SRC_CHANGE 1
+#define CMD_FRAMES_READY 2
+#define CMD_FATAL_ERROR 6
+#define CMD_BAD_WIDTH 7
+#define CMD_BAD_HEIGHT 8
+
+#define SEI_DATA_READY BIT(15)
+
+/* Picture type */
+#define PIC_TOP_BOT 5
+#define PIC_BOT_TOP 6
+
+/* Size of Motion Vector per macroblock */
+#define MB_MV_SIZE 96
+
+/* Frame status data */
+#define PIC_STRUCT_BIT 5
+#define PIC_STRUCT_MASK GENMASK(2, 0)
+#define BUF_IDX_MASK GENMASK(4, 0)
+#define ERROR_FLAG BIT(9)
+#define OFFSET_BIT 16
+#define OFFSET_MASK GENMASK(15, 0)
+
+/* Bitstream parsed data */
+#define MB_TOTAL_BIT 8
+#define MB_TOTAL_MASK GENMASK(15, 0)
+#define MB_WIDTH_MASK GENMASK(7, 0)
+#define MAX_REF_BIT 24
+#define MAX_REF_MASK GENMASK(6, 0)
+#define AR_IDC_BIT 16
+#define AR_IDC_MASK GENMASK(7, 0)
+#define AR_PRESENT_FLAG BIT(0)
+#define AR_EXTEND 0xff
+
+/*
+ * Buffer to send to the ESPARSER to signal End Of Stream for H.264.
+ * This is a 16x16 encoded picture that will trigger drain firmware-side.
+ * There is no known alternative.
+ */
+static const u8 eos_sequence[SZ_4K] = {
+ 0x00, 0x00, 0x00, 0x01, 0x06, 0x05, 0xff, 0xe4, 0xdc, 0x45, 0xe9, 0xbd,
+ 0xe6, 0xd9, 0x48, 0xb7, 0x96, 0x2c, 0xd8, 0x20, 0xd9, 0x23, 0xee, 0xef,
+ 0x78, 0x32, 0x36, 0x34, 0x20, 0x2d, 0x20, 0x63, 0x6f, 0x72, 0x65, 0x20,
+ 0x36, 0x37, 0x20, 0x72, 0x31, 0x31, 0x33, 0x30, 0x20, 0x38, 0x34, 0x37,
+ 0x35, 0x39, 0x37, 0x37, 0x20, 0x2d, 0x20, 0x48, 0x2e, 0x32, 0x36, 0x34,
+ 0x2f, 0x4d, 0x50, 0x45, 0x47, 0x2d, 0x34, 0x20, 0x41, 0x56, 0x43, 0x20,
+ 0x63, 0x6f, 0x64, 0x65, 0x63, 0x20, 0x2d, 0x20, 0x43, 0x6f, 0x70, 0x79,
+ 0x6c, 0x65, 0x66, 0x74, 0x20, 0x32, 0x30, 0x30, 0x33, 0x2d, 0x32, 0x30,
+ 0x30, 0x39, 0x20, 0x2d, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f,
+ 0x77, 0x77, 0x77, 0x2e, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6c, 0x61, 0x6e,
+ 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x78, 0x32, 0x36, 0x34, 0x2e, 0x68, 0x74,
+ 0x6d, 0x6c, 0x20, 0x2d, 0x20, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73,
+ 0x3a, 0x20, 0x63, 0x61, 0x62, 0x61, 0x63, 0x3d, 0x31, 0x20, 0x72, 0x65,
+ 0x66, 0x3d, 0x31, 0x20, 0x64, 0x65, 0x62, 0x6c, 0x6f, 0x63, 0x6b, 0x3d,
+ 0x31, 0x3a, 0x30, 0x3a, 0x30, 0x20, 0x61, 0x6e, 0x61, 0x6c, 0x79, 0x73,
+ 0x65, 0x3d, 0x30, 0x78, 0x31, 0x3a, 0x30, 0x78, 0x31, 0x31, 0x31, 0x20,
+ 0x6d, 0x65, 0x3d, 0x68, 0x65, 0x78, 0x20, 0x73, 0x75, 0x62, 0x6d, 0x65,
+ 0x3d, 0x36, 0x20, 0x70, 0x73, 0x79, 0x5f, 0x72, 0x64, 0x3d, 0x31, 0x2e,
+ 0x30, 0x3a, 0x30, 0x2e, 0x30, 0x20, 0x6d, 0x69, 0x78, 0x65, 0x64, 0x5f,
+ 0x72, 0x65, 0x66, 0x3d, 0x30, 0x20, 0x6d, 0x65, 0x5f, 0x72, 0x61, 0x6e,
+ 0x67, 0x65, 0x3d, 0x31, 0x36, 0x20, 0x63, 0x68, 0x72, 0x6f, 0x6d, 0x61,
+ 0x5f, 0x6d, 0x65, 0x3d, 0x31, 0x20, 0x74, 0x72, 0x65, 0x6c, 0x6c, 0x69,
+ 0x73, 0x3d, 0x30, 0x20, 0x38, 0x78, 0x38, 0x64, 0x63, 0x74, 0x3d, 0x30,
+ 0x20, 0x63, 0x71, 0x6d, 0x3d, 0x30, 0x20, 0x64, 0x65, 0x61, 0x64, 0x7a,
+ 0x6f, 0x6e, 0x65, 0x3d, 0x32, 0x31, 0x2c, 0x31, 0x31, 0x20, 0x63, 0x68,
+ 0x72, 0x6f, 0x6d, 0x61, 0x5f, 0x71, 0x70, 0x5f, 0x6f, 0x66, 0x66, 0x73,
+ 0x65, 0x74, 0x3d, 0x2d, 0x32, 0x20, 0x74, 0x68, 0x72, 0x65, 0x61, 0x64,
+ 0x73, 0x3d, 0x31, 0x20, 0x6e, 0x72, 0x3d, 0x30, 0x20, 0x64, 0x65, 0x63,
+ 0x69, 0x6d, 0x61, 0x74, 0x65, 0x3d, 0x31, 0x20, 0x6d, 0x62, 0x61, 0x66,
+ 0x66, 0x3d, 0x30, 0x20, 0x62, 0x66, 0x72, 0x61, 0x6d, 0x65, 0x73, 0x3d,
+ 0x30, 0x20, 0x6b, 0x65, 0x79, 0x69, 0x6e, 0x74, 0x3d, 0x32, 0x35, 0x30,
+ 0x20, 0x6b, 0x65, 0x79, 0x69, 0x6e, 0x74, 0x5f, 0x6d, 0x69, 0x6e, 0x3d,
+ 0x32, 0x35, 0x20, 0x73, 0x63, 0x65, 0x6e, 0x65, 0x63, 0x75, 0x74, 0x3d,
+ 0x34, 0x30, 0x20, 0x72, 0x63, 0x3d, 0x61, 0x62, 0x72, 0x20, 0x62, 0x69,
+ 0x74, 0x72, 0x61, 0x74, 0x65, 0x3d, 0x31, 0x30, 0x20, 0x72, 0x61, 0x74,
+ 0x65, 0x74, 0x6f, 0x6c, 0x3d, 0x31, 0x2e, 0x30, 0x20, 0x71, 0x63, 0x6f,
+ 0x6d, 0x70, 0x3d, 0x30, 0x2e, 0x36, 0x30, 0x20, 0x71, 0x70, 0x6d, 0x69,
+ 0x6e, 0x3d, 0x31, 0x30, 0x20, 0x71, 0x70, 0x6d, 0x61, 0x78, 0x3d, 0x35,
+ 0x31, 0x20, 0x71, 0x70, 0x73, 0x74, 0x65, 0x70, 0x3d, 0x34, 0x20, 0x69,
+ 0x70, 0x5f, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x3d, 0x31, 0x2e, 0x34, 0x30,
+ 0x20, 0x61, 0x71, 0x3d, 0x31, 0x3a, 0x31, 0x2e, 0x30, 0x30, 0x00, 0x80,
+ 0x00, 0x00, 0x00, 0x01, 0x67, 0x4d, 0x40, 0x0a, 0x9a, 0x74, 0xf4, 0x20,
+ 0x00, 0x00, 0x03, 0x00, 0x20, 0x00, 0x00, 0x06, 0x51, 0xe2, 0x44, 0xd4,
+ 0x00, 0x00, 0x00, 0x01, 0x68, 0xee, 0x32, 0xc8, 0x00, 0x00, 0x00, 0x01,
+ 0x65, 0x88, 0x80, 0x20, 0x00, 0x08, 0x7f, 0xea, 0x6a, 0xe2, 0x99, 0xb6,
+ 0x57, 0xae, 0x49, 0x30, 0xf5, 0xfe, 0x5e, 0x46, 0x0b, 0x72, 0x44, 0xc4,
+ 0xe1, 0xfc, 0x62, 0xda, 0xf1, 0xfb, 0xa2, 0xdb, 0xd6, 0xbe, 0x5c, 0xd7,
+ 0x24, 0xa3, 0xf5, 0xb9, 0x2f, 0x57, 0x16, 0x49, 0x75, 0x47, 0x77, 0x09,
+ 0x5c, 0xa1, 0xb4, 0xc3, 0x4f, 0x60, 0x2b, 0xb0, 0x0c, 0xc8, 0xd6, 0x66,
+ 0xba, 0x9b, 0x82, 0x29, 0x33, 0x92, 0x26, 0x99, 0x31, 0x1c, 0x7f, 0x9b,
+ 0x00, 0x00, 0x01, 0x0ff,
+};
+
+static const u8 *codec_h264_eos_sequence(u32 *len)
+{
+ *len = ARRAY_SIZE(eos_sequence);
+ return eos_sequence;
+}
+
+struct codec_h264 {
+ /* H.264 decoder requires an extended firmware */
+ void *ext_fw_vaddr;
+ dma_addr_t ext_fw_paddr;
+
+ /* Buffer for the H.264 Workspace */
+ void *workspace_vaddr;
+ dma_addr_t workspace_paddr;
+
+ /* Buffer for the H.264 references MV */
+ void *ref_vaddr;
+ dma_addr_t ref_paddr;
+ u32 ref_size;
+
+ /* Buffer for parsed SEI data */
+ void *sei_vaddr;
+ dma_addr_t sei_paddr;
+
+ u32 mb_width;
+ u32 mb_height;
+ u32 max_refs;
+};
+
+static int codec_h264_can_recycle(struct amvdec_core *core)
+{
+ return !amvdec_read_dos(core, AV_SCRATCH_7) ||
+ !amvdec_read_dos(core, AV_SCRATCH_8);
+}
+
+static void codec_h264_recycle(struct amvdec_core *core, u32 buf_idx)
+{
+ /*
+ * Tell the firmware it can recycle this buffer.
+ * AV_SCRATCH_8 serves the same purpose.
+ */
+ if (!amvdec_read_dos(core, AV_SCRATCH_7))
+ amvdec_write_dos(core, AV_SCRATCH_7, buf_idx + 1);
+ else
+ amvdec_write_dos(core, AV_SCRATCH_8, buf_idx + 1);
+}
+
+static int codec_h264_start(struct amvdec_session *sess)
+{
+ u32 workspace_offset;
+ struct amvdec_core *core = sess->core;
+ struct codec_h264 *h264 = sess->priv;
+
+ /* Allocate some memory for the H.264 decoder's state */
+ h264->workspace_vaddr =
+ dma_alloc_coherent(core->dev, SIZE_WORKSPACE,
+ &h264->workspace_paddr, GFP_KERNEL);
+ if (!h264->workspace_vaddr)
+ return -ENOMEM;
+
+ /* Allocate some memory for the H.264 SEI dump */
+ h264->sei_vaddr = dma_alloc_coherent(core->dev, SIZE_SEI,
+ &h264->sei_paddr, GFP_KERNEL);
+ if (!h264->sei_vaddr)
+ return -ENOMEM;
+
+ amvdec_write_dos_bits(core, POWER_CTL_VLD, BIT(9) | BIT(6));
+
+ workspace_offset = h264->workspace_paddr - WORKSPACE_BUF_OFFSET;
+ amvdec_write_dos(core, AV_SCRATCH_1, workspace_offset);
+ amvdec_write_dos(core, AV_SCRATCH_G, h264->ext_fw_paddr);
+ amvdec_write_dos(core, AV_SCRATCH_I, h264->sei_paddr -
+ workspace_offset);
+
+ /* Enable "error correction" */
+ amvdec_write_dos(core, AV_SCRATCH_F,
+ (amvdec_read_dos(core, AV_SCRATCH_F) & 0xffffffc3) |
+ BIT(4) | BIT(7));
+
+ amvdec_write_dos(core, MDEC_PIC_DC_THRESH, 0x404038aa);
+
+ return 0;
+}
+
+static int codec_h264_stop(struct amvdec_session *sess)
+{
+ struct codec_h264 *h264 = sess->priv;
+ struct amvdec_core *core = sess->core;
+
+ if (h264->ext_fw_vaddr)
+ dma_free_coherent(core->dev, SIZE_EXT_FW,
+ h264->ext_fw_vaddr, h264->ext_fw_paddr);
+
+ if (h264->workspace_vaddr)
+ dma_free_coherent(core->dev, SIZE_WORKSPACE,
+ h264->workspace_vaddr, h264->workspace_paddr);
+
+ if (h264->ref_vaddr)
+ dma_free_coherent(core->dev, h264->ref_size,
+ h264->ref_vaddr, h264->ref_paddr);
+
+ if (h264->sei_vaddr)
+ dma_free_coherent(core->dev, SIZE_SEI,
+ h264->sei_vaddr, h264->sei_paddr);
+
+ return 0;
+}
+
+static int codec_h264_load_extended_firmware(struct amvdec_session *sess,
+ const u8 *data, u32 len)
+{
+ struct codec_h264 *h264;
+ struct amvdec_core *core = sess->core;
+
+ if (len < SIZE_EXT_FW)
+ return -EINVAL;
+
+ h264 = kzalloc(sizeof(*h264), GFP_KERNEL);
+ if (!h264)
+ return -ENOMEM;
+
+ h264->ext_fw_vaddr = dma_alloc_coherent(core->dev, SIZE_EXT_FW,
+ &h264->ext_fw_paddr,
+ GFP_KERNEL);
+ if (!h264->ext_fw_vaddr) {
+ kfree(h264);
+ return -ENOMEM;
+ }
+
+ memcpy(h264->ext_fw_vaddr, data, SIZE_EXT_FW);
+ sess->priv = h264;
+
+ return 0;
+}
+
+static const struct v4l2_fract par_table[] = {
+ { 1, 1 }, { 1, 1 }, { 12, 11 }, { 10, 11 },
+ { 16, 11 }, { 40, 33 }, { 24, 11 }, { 20, 11 },
+ { 32, 11 }, { 80, 33 }, { 18, 11 }, { 15, 11 },
+ { 64, 33 }, { 160, 99 }, { 4, 3 }, { 3, 2 },
+ { 2, 1 }
+};
+
+static void codec_h264_set_par(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ u32 seq_info = amvdec_read_dos(core, AV_SCRATCH_2);
+ u32 ar_idc = (seq_info >> AR_IDC_BIT) & AR_IDC_MASK;
+
+ if (!(seq_info & AR_PRESENT_FLAG))
+ return;
+
+ if (ar_idc == AR_EXTEND) {
+ u32 ar_info = amvdec_read_dos(core, AV_SCRATCH_3);
+
+ sess->pixelaspect.numerator = ar_info & 0xffff;
+ sess->pixelaspect.denominator = (ar_info >> 16) & 0xffff;
+ return;
+ }
+
+ if (ar_idc >= ARRAY_SIZE(par_table))
+ return;
+
+ sess->pixelaspect = par_table[ar_idc];
+}
+
+static void codec_h264_resume(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_h264 *h264 = sess->priv;
+ u32 mb_width, mb_height, mb_total;
+
+ amvdec_set_canvases(sess,
+ (u32[]){ ANC0_CANVAS_ADDR, 0 },
+ (u32[]){ 24, 0 });
+
+ dev_dbg(core->dev, "max_refs = %u; actual_dpb_size = %u\n",
+ h264->max_refs, sess->num_dst_bufs);
+
+ /* Align to a multiple of 4 macroblocks */
+ mb_width = ALIGN(h264->mb_width, 4);
+ mb_height = ALIGN(h264->mb_height, 4);
+ mb_total = mb_width * mb_height;
+
+ h264->ref_size = mb_total * MB_MV_SIZE * h264->max_refs;
+ h264->ref_vaddr = dma_alloc_coherent(core->dev, h264->ref_size,
+ &h264->ref_paddr, GFP_KERNEL);
+ if (!h264->ref_vaddr) {
+ amvdec_abort(sess);
+ return;
+ }
+
+ /* Address to store the references' MVs */
+ amvdec_write_dos(core, AV_SCRATCH_1, h264->ref_paddr);
+ /* End of ref MV */
+ amvdec_write_dos(core, AV_SCRATCH_4, h264->ref_paddr + h264->ref_size);
+
+ amvdec_write_dos(core, AV_SCRATCH_0, (h264->max_refs << 24) |
+ (sess->num_dst_bufs << 16) |
+ ((h264->max_refs - 1) << 8));
+}
+
+/*
+ * Configure the H.264 decoder when the parser detected a parameter set change
+ */
+static void codec_h264_src_change(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_h264 *h264 = sess->priv;
+ u32 parsed_info, mb_total;
+ u32 crop_infor, crop_bottom, crop_right;
+ u32 frame_width, frame_height;
+
+ sess->keyframe_found = 1;
+
+ parsed_info = amvdec_read_dos(core, AV_SCRATCH_1);
+
+ /* Total number of 16x16 macroblocks */
+ mb_total = (parsed_info >> MB_TOTAL_BIT) & MB_TOTAL_MASK;
+ /* Number of macroblocks per line */
+ h264->mb_width = parsed_info & MB_WIDTH_MASK;
+ /* Number of macroblock lines */
+ h264->mb_height = mb_total / h264->mb_width;
+
+ h264->max_refs = ((parsed_info >> MAX_REF_BIT) & MAX_REF_MASK) + 1;
+
+ crop_infor = amvdec_read_dos(core, AV_SCRATCH_6);
+ crop_bottom = (crop_infor & 0xff);
+ crop_right = (crop_infor >> 16) & 0xff;
+
+ frame_width = h264->mb_width * 16 - crop_right;
+ frame_height = h264->mb_height * 16 - crop_bottom;
+
+ dev_dbg(core->dev, "frame: %ux%u; crop: %u %u\n",
+ frame_width, frame_height, crop_right, crop_bottom);
+
+ codec_h264_set_par(sess);
+ amvdec_src_change(sess, frame_width, frame_height, h264->max_refs + 5);
+}
+
+/*
+ * The bitstream offset is split in half in 2 different registers.
+ * Fetch its MSB here, which location depends on the frame number.
+ */
+static u32 get_offset_msb(struct amvdec_core *core, int frame_num)
+{
+ int take_msb = frame_num % 2;
+ int reg_offset = (frame_num / 2) * 4;
+ u32 offset_msb = amvdec_read_dos(core, AV_SCRATCH_A + reg_offset);
+
+ if (take_msb)
+ return offset_msb & 0xffff0000;
+
+ return (offset_msb & 0x0000ffff) << 16;
+}
+
+static void codec_h264_frames_ready(struct amvdec_session *sess, u32 status)
+{
+ struct amvdec_core *core = sess->core;
+ int error_count;
+ int num_frames;
+ int i;
+
+ error_count = amvdec_read_dos(core, AV_SCRATCH_D);
+ num_frames = (status >> 8) & 0xff;
+ if (error_count) {
+ dev_warn(core->dev,
+ "decoder error(s) happened, count %d\n", error_count);
+ amvdec_write_dos(core, AV_SCRATCH_D, 0);
+ }
+
+ for (i = 0; i < num_frames; i++) {
+ u32 frame_status = amvdec_read_dos(core, AV_SCRATCH_1 + i * 4);
+ u32 buffer_index = frame_status & BUF_IDX_MASK;
+ u32 pic_struct = (frame_status >> PIC_STRUCT_BIT) &
+ PIC_STRUCT_MASK;
+ u32 offset = (frame_status >> OFFSET_BIT) & OFFSET_MASK;
+ u32 field = V4L2_FIELD_NONE;
+
+ /*
+ * A buffer decode error means it was decoded,
+ * but part of the picture will have artifacts.
+ * Typical reason is a temporarily corrupted bitstream
+ */
+ if (frame_status & ERROR_FLAG)
+ dev_dbg(core->dev, "Buffer %d decode error\n",
+ buffer_index);
+
+ if (pic_struct == PIC_TOP_BOT)
+ field = V4L2_FIELD_INTERLACED_TB;
+ else if (pic_struct == PIC_BOT_TOP)
+ field = V4L2_FIELD_INTERLACED_BT;
+
+ offset |= get_offset_msb(core, i);
+ amvdec_dst_buf_done_idx(sess, buffer_index, offset, field);
+ }
+}
+
+static irqreturn_t codec_h264_threaded_isr(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ u32 status;
+ u32 size;
+ u8 cmd;
+
+ status = amvdec_read_dos(core, AV_SCRATCH_0);
+ cmd = status & CMD_MASK;
+
+ switch (cmd) {
+ case CMD_SRC_CHANGE:
+ codec_h264_src_change(sess);
+ break;
+ case CMD_FRAMES_READY:
+ codec_h264_frames_ready(sess, status);
+ break;
+ case CMD_FATAL_ERROR:
+ dev_err(core->dev, "H.264 decoder fatal error\n");
+ goto abort;
+ case CMD_BAD_WIDTH:
+ size = (amvdec_read_dos(core, AV_SCRATCH_1) + 1) * 16;
+ dev_err(core->dev, "Unsupported video width: %u\n", size);
+ goto abort;
+ case CMD_BAD_HEIGHT:
+ size = (amvdec_read_dos(core, AV_SCRATCH_1) + 1) * 16;
+ dev_err(core->dev, "Unsupported video height: %u\n", size);
+ goto abort;
+ case 0: /* Unused but not worth printing for */
+ case 9:
+ break;
+ default:
+ dev_info(core->dev, "Unexpected H264 ISR: %08X\n", cmd);
+ break;
+ }
+
+ if (cmd && cmd != CMD_SRC_CHANGE)
+ amvdec_write_dos(core, AV_SCRATCH_0, 0);
+
+ /* Decoder has some SEI data for us ; ignore */
+ if (amvdec_read_dos(core, AV_SCRATCH_J) & SEI_DATA_READY)
+ amvdec_write_dos(core, AV_SCRATCH_J, 0);
+
+ return IRQ_HANDLED;
+abort:
+ amvdec_abort(sess);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t codec_h264_isr(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+
+ amvdec_write_dos(core, ASSIST_MBOX1_CLR_REG, 1);
+
+ return IRQ_WAKE_THREAD;
+}
+
+struct amvdec_codec_ops codec_h264_ops = {
+ .start = codec_h264_start,
+ .stop = codec_h264_stop,
+ .load_extended_firmware = codec_h264_load_extended_firmware,
+ .isr = codec_h264_isr,
+ .threaded_isr = codec_h264_threaded_isr,
+ .can_recycle = codec_h264_can_recycle,
+ .recycle = codec_h264_recycle,
+ .eos_sequence = codec_h264_eos_sequence,
+ .resume = codec_h264_resume,
+};
diff --git a/drivers/staging/media/meson/vdec/codec_h264.h b/drivers/staging/media/meson/vdec/codec_h264.h
new file mode 100644
index 000000000..7cb4fb86f
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_h264.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2019 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_CODEC_H264_H_
+#define __MESON_VDEC_CODEC_H264_H_
+
+#include "vdec.h"
+
+extern struct amvdec_codec_ops codec_h264_ops;
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.c b/drivers/staging/media/meson/vdec/codec_hevc_common.c
new file mode 100644
index 000000000..0315cc091
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_hevc_common.c
@@ -0,0 +1,297 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "codec_hevc_common.h"
+#include "vdec_helpers.h"
+#include "hevc_regs.h"
+
+#define MMU_COMPRESS_HEADER_SIZE 0x48000
+#define MMU_MAP_SIZE 0x4800
+
+const u16 vdec_hevc_parser_cmd[] = {
+ 0x0401, 0x8401, 0x0800, 0x0402,
+ 0x9002, 0x1423, 0x8CC3, 0x1423,
+ 0x8804, 0x9825, 0x0800, 0x04FE,
+ 0x8406, 0x8411, 0x1800, 0x8408,
+ 0x8409, 0x8C2A, 0x9C2B, 0x1C00,
+ 0x840F, 0x8407, 0x8000, 0x8408,
+ 0x2000, 0xA800, 0x8410, 0x04DE,
+ 0x840C, 0x840D, 0xAC00, 0xA000,
+ 0x08C0, 0x08E0, 0xA40E, 0xFC00,
+ 0x7C00
+};
+
+/* Configure decode head read mode */
+void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit)
+{
+ struct amvdec_core *core = sess->core;
+ u32 body_size = amvdec_am21c_body_size(sess->width, sess->height);
+ u32 head_size = amvdec_am21c_head_size(sess->width, sess->height);
+
+ if (!codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit)) {
+ /* Enable 2-plane reference read mode */
+ amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(31));
+ return;
+ }
+
+ if (codec_hevc_use_mmu(core->platform->revision,
+ sess->pixfmt_cap, is_10bit))
+ amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(4));
+ else
+ amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, 0);
+
+ if (core->platform->revision < VDEC_REVISION_SM1)
+ amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL2, body_size / 32);
+ amvdec_write_dos(core, HEVC_CM_BODY_LENGTH, body_size);
+ amvdec_write_dos(core, HEVC_CM_HEADER_OFFSET, body_size);
+ amvdec_write_dos(core, HEVC_CM_HEADER_LENGTH, head_size);
+}
+EXPORT_SYMBOL_GPL(codec_hevc_setup_decode_head);
+
+static void codec_hevc_setup_buffers_gxbb(struct amvdec_session *sess,
+ struct codec_hevc_common *comm,
+ int is_10bit)
+{
+ struct amvdec_core *core = sess->core;
+ struct v4l2_m2m_buffer *buf;
+ u32 buf_num = v4l2_m2m_num_dst_bufs_ready(sess->m2m_ctx);
+ dma_addr_t buf_y_paddr = 0;
+ dma_addr_t buf_uv_paddr = 0;
+ u32 idx = 0;
+ u32 val;
+ int i;
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR, 0);
+
+ v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) {
+ struct vb2_buffer *vb = &buf->vb.vb2_buf;
+
+ idx = vb->index;
+
+ if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit))
+ buf_y_paddr = comm->fbc_buffer_paddr[idx];
+ else
+ buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0);
+
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit)) {
+ val = buf_y_paddr | (idx << 8) | 1;
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CMD_ADDR,
+ val);
+ } else {
+ buf_uv_paddr = vb2_dma_contig_plane_dma_addr(vb, 1);
+ val = buf_y_paddr | ((idx * 2) << 8) | 1;
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CMD_ADDR,
+ val);
+ val = buf_uv_paddr | ((idx * 2 + 1) << 8) | 1;
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CMD_ADDR,
+ val);
+ }
+ }
+
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit))
+ val = buf_y_paddr | (idx << 8) | 1;
+ else
+ val = buf_y_paddr | ((idx * 2) << 8) | 1;
+
+ /* Fill the remaining unused slots with the last buffer's Y addr */
+ for (i = buf_num; i < MAX_REF_PIC_NUM; ++i)
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CMD_ADDR, val);
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR, 1);
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1);
+ for (i = 0; i < 32; ++i)
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR, 0);
+}
+
+static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess,
+ struct codec_hevc_common *comm,
+ int is_10bit)
+{
+ struct amvdec_core *core = sess->core;
+ struct v4l2_m2m_buffer *buf;
+ u32 revision = core->platform->revision;
+ u32 pixfmt_cap = sess->pixfmt_cap;
+ int i;
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR,
+ BIT(2) | BIT(1));
+
+ v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) {
+ struct vb2_buffer *vb = &buf->vb.vb2_buf;
+ dma_addr_t buf_y_paddr = 0;
+ dma_addr_t buf_uv_paddr = 0;
+ u32 idx = vb->index;
+
+ if (codec_hevc_use_mmu(revision, pixfmt_cap, is_10bit))
+ buf_y_paddr = comm->mmu_header_paddr[idx];
+ else if (codec_hevc_use_downsample(pixfmt_cap, is_10bit))
+ buf_y_paddr = comm->fbc_buffer_paddr[idx];
+ else
+ buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0);
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_DATA,
+ buf_y_paddr >> 5);
+
+ if (!codec_hevc_use_fbc(pixfmt_cap, is_10bit)) {
+ buf_uv_paddr = vb2_dma_contig_plane_dma_addr(vb, 1);
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_DATA,
+ buf_uv_paddr >> 5);
+ }
+ }
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR, 1);
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1);
+ for (i = 0; i < 32; ++i)
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR, 0);
+}
+
+void codec_hevc_free_fbc_buffers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm)
+{
+ struct device *dev = sess->core->dev;
+ u32 am21_size = amvdec_am21c_size(sess->width, sess->height);
+ int i;
+
+ for (i = 0; i < MAX_REF_PIC_NUM; ++i) {
+ if (comm->fbc_buffer_vaddr[i]) {
+ dma_free_coherent(dev, am21_size,
+ comm->fbc_buffer_vaddr[i],
+ comm->fbc_buffer_paddr[i]);
+ comm->fbc_buffer_vaddr[i] = NULL;
+ }
+ }
+}
+EXPORT_SYMBOL_GPL(codec_hevc_free_fbc_buffers);
+
+static int codec_hevc_alloc_fbc_buffers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm)
+{
+ struct device *dev = sess->core->dev;
+ struct v4l2_m2m_buffer *buf;
+ u32 am21_size = amvdec_am21c_size(sess->width, sess->height);
+
+ v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) {
+ u32 idx = buf->vb.vb2_buf.index;
+ dma_addr_t paddr;
+ void *vaddr = dma_alloc_coherent(dev, am21_size, &paddr,
+ GFP_KERNEL);
+ if (!vaddr) {
+ codec_hevc_free_fbc_buffers(sess, comm);
+ return -ENOMEM;
+ }
+
+ comm->fbc_buffer_vaddr[idx] = vaddr;
+ comm->fbc_buffer_paddr[idx] = paddr;
+ }
+
+ return 0;
+}
+
+void codec_hevc_free_mmu_headers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm)
+{
+ struct device *dev = sess->core->dev;
+ int i;
+
+ for (i = 0; i < MAX_REF_PIC_NUM; ++i) {
+ if (comm->mmu_header_vaddr[i]) {
+ dma_free_coherent(dev, MMU_COMPRESS_HEADER_SIZE,
+ comm->mmu_header_vaddr[i],
+ comm->mmu_header_paddr[i]);
+ comm->mmu_header_vaddr[i] = NULL;
+ }
+ }
+
+ if (comm->mmu_map_vaddr) {
+ dma_free_coherent(dev, MMU_MAP_SIZE,
+ comm->mmu_map_vaddr,
+ comm->mmu_map_paddr);
+ comm->mmu_map_vaddr = NULL;
+ }
+}
+EXPORT_SYMBOL_GPL(codec_hevc_free_mmu_headers);
+
+static int codec_hevc_alloc_mmu_headers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm)
+{
+ struct device *dev = sess->core->dev;
+ struct v4l2_m2m_buffer *buf;
+
+ comm->mmu_map_vaddr = dma_alloc_coherent(dev, MMU_MAP_SIZE,
+ &comm->mmu_map_paddr,
+ GFP_KERNEL);
+ if (!comm->mmu_map_vaddr)
+ return -ENOMEM;
+
+ v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) {
+ u32 idx = buf->vb.vb2_buf.index;
+ dma_addr_t paddr;
+ void *vaddr = dma_alloc_coherent(dev, MMU_COMPRESS_HEADER_SIZE,
+ &paddr, GFP_KERNEL);
+ if (!vaddr) {
+ codec_hevc_free_mmu_headers(sess, comm);
+ return -ENOMEM;
+ }
+
+ comm->mmu_header_vaddr[idx] = vaddr;
+ comm->mmu_header_paddr[idx] = paddr;
+ }
+
+ return 0;
+}
+
+int codec_hevc_setup_buffers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm,
+ int is_10bit)
+{
+ struct amvdec_core *core = sess->core;
+ int ret;
+
+ if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) {
+ ret = codec_hevc_alloc_fbc_buffers(sess, comm);
+ if (ret)
+ return ret;
+ }
+
+ if (codec_hevc_use_mmu(core->platform->revision,
+ sess->pixfmt_cap, is_10bit)) {
+ ret = codec_hevc_alloc_mmu_headers(sess, comm);
+ if (ret) {
+ codec_hevc_free_fbc_buffers(sess, comm);
+ return ret;
+ }
+ }
+
+ if (core->platform->revision == VDEC_REVISION_GXBB)
+ codec_hevc_setup_buffers_gxbb(sess, comm, is_10bit);
+ else
+ codec_hevc_setup_buffers_gxl(sess, comm, is_10bit);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(codec_hevc_setup_buffers);
+
+void codec_hevc_fill_mmu_map(struct amvdec_session *sess,
+ struct codec_hevc_common *comm,
+ struct vb2_buffer *vb)
+{
+ u32 size = amvdec_am21c_size(sess->width, sess->height);
+ u32 nb_pages = size / PAGE_SIZE;
+ u32 *mmu_map = comm->mmu_map_vaddr;
+ u32 first_page;
+ u32 i;
+
+ if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M)
+ first_page = comm->fbc_buffer_paddr[vb->index] >> PAGE_SHIFT;
+ else
+ first_page = vb2_dma_contig_plane_dma_addr(vb, 0) >> PAGE_SHIFT;
+
+ for (i = 0; i < nb_pages; ++i)
+ mmu_map[i] = first_page + i;
+}
+EXPORT_SYMBOL_GPL(codec_hevc_fill_mmu_map);
diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.h b/drivers/staging/media/meson/vdec/codec_hevc_common.h
new file mode 100644
index 000000000..cf072b8a9
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_hevc_common.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_HEVC_COMMON_H_
+#define __MESON_VDEC_HEVC_COMMON_H_
+
+#include "vdec.h"
+
+#define PARSER_CMD_SKIP_CFG_0 0x0000090b
+#define PARSER_CMD_SKIP_CFG_1 0x1b14140f
+#define PARSER_CMD_SKIP_CFG_2 0x001b1910
+
+#define VDEC_HEVC_PARSER_CMD_LEN 37
+extern const u16 vdec_hevc_parser_cmd[VDEC_HEVC_PARSER_CMD_LEN];
+
+#define MAX_REF_PIC_NUM 24
+
+struct codec_hevc_common {
+ void *fbc_buffer_vaddr[MAX_REF_PIC_NUM];
+ dma_addr_t fbc_buffer_paddr[MAX_REF_PIC_NUM];
+
+ void *mmu_header_vaddr[MAX_REF_PIC_NUM];
+ dma_addr_t mmu_header_paddr[MAX_REF_PIC_NUM];
+
+ void *mmu_map_vaddr;
+ dma_addr_t mmu_map_paddr;
+};
+
+/* Returns 1 if we must use framebuffer compression */
+static inline int codec_hevc_use_fbc(u32 pixfmt, int is_10bit)
+{
+ /* TOFIX: Handle Amlogic Compressed buffer for 8bit also */
+ return is_10bit;
+}
+
+/* Returns 1 if we are decoding 10-bit but outputting 8-bit NV12 */
+static inline int codec_hevc_use_downsample(u32 pixfmt, int is_10bit)
+{
+ return is_10bit;
+}
+
+/* Returns 1 if we are decoding using the IOMMU */
+static inline int codec_hevc_use_mmu(u32 revision, u32 pixfmt, int is_10bit)
+{
+ return revision >= VDEC_REVISION_G12A &&
+ codec_hevc_use_fbc(pixfmt, is_10bit);
+}
+
+/* Configure decode head read mode */
+void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit);
+
+void codec_hevc_free_fbc_buffers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm);
+
+void codec_hevc_free_mmu_headers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm);
+
+int codec_hevc_setup_buffers(struct amvdec_session *sess,
+ struct codec_hevc_common *comm,
+ int is_10bit);
+
+void codec_hevc_fill_mmu_map(struct amvdec_session *sess,
+ struct codec_hevc_common *comm,
+ struct vb2_buffer *vb);
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/codec_mpeg12.c b/drivers/staging/media/meson/vdec/codec_mpeg12.c
new file mode 100644
index 000000000..48869cc3d
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_mpeg12.c
@@ -0,0 +1,210 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "codec_mpeg12.h"
+#include "dos_regs.h"
+#include "vdec_helpers.h"
+
+#define SIZE_WORKSPACE SZ_128K
+/* Offset substracted by the firmware from the workspace paddr */
+#define WORKSPACE_OFFSET (5 * SZ_1K)
+
+/* map firmware registers to known MPEG1/2 functions */
+#define MREG_SEQ_INFO AV_SCRATCH_4
+ #define MPEG2_SEQ_DAR_MASK GENMASK(3, 0)
+ #define MPEG2_DAR_4_3 2
+ #define MPEG2_DAR_16_9 3
+ #define MPEG2_DAR_221_100 4
+#define MREG_PIC_INFO AV_SCRATCH_5
+#define MREG_PIC_WIDTH AV_SCRATCH_6
+#define MREG_PIC_HEIGHT AV_SCRATCH_7
+#define MREG_BUFFERIN AV_SCRATCH_8
+#define MREG_BUFFEROUT AV_SCRATCH_9
+#define MREG_CMD AV_SCRATCH_A
+#define MREG_CO_MV_START AV_SCRATCH_B
+#define MREG_ERROR_COUNT AV_SCRATCH_C
+#define MREG_FRAME_OFFSET AV_SCRATCH_D
+#define MREG_WAIT_BUFFER AV_SCRATCH_E
+#define MREG_FATAL_ERROR AV_SCRATCH_F
+
+#define PICINFO_PROG 0x00008000
+#define PICINFO_TOP_FIRST 0x00002000
+
+struct codec_mpeg12 {
+ /* Buffer for the MPEG1/2 Workspace */
+ void *workspace_vaddr;
+ dma_addr_t workspace_paddr;
+};
+
+static const u8 eos_sequence[SZ_1K] = { 0x00, 0x00, 0x01, 0xB7 };
+
+static const u8 *codec_mpeg12_eos_sequence(u32 *len)
+{
+ *len = ARRAY_SIZE(eos_sequence);
+ return eos_sequence;
+}
+
+static int codec_mpeg12_can_recycle(struct amvdec_core *core)
+{
+ return !amvdec_read_dos(core, MREG_BUFFERIN);
+}
+
+static void codec_mpeg12_recycle(struct amvdec_core *core, u32 buf_idx)
+{
+ amvdec_write_dos(core, MREG_BUFFERIN, buf_idx + 1);
+}
+
+static int codec_mpeg12_start(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_mpeg12 *mpeg12;
+ int ret;
+
+ mpeg12 = kzalloc(sizeof(*mpeg12), GFP_KERNEL);
+ if (!mpeg12)
+ return -ENOMEM;
+
+ /* Allocate some memory for the MPEG1/2 decoder's state */
+ mpeg12->workspace_vaddr = dma_alloc_coherent(core->dev, SIZE_WORKSPACE,
+ &mpeg12->workspace_paddr,
+ GFP_KERNEL);
+ if (!mpeg12->workspace_vaddr) {
+ dev_err(core->dev, "Failed to request MPEG 1/2 Workspace\n");
+ ret = -ENOMEM;
+ goto free_mpeg12;
+ }
+
+ ret = amvdec_set_canvases(sess, (u32[]){ AV_SCRATCH_0, 0 },
+ (u32[]){ 8, 0 });
+ if (ret)
+ goto free_workspace;
+
+ amvdec_write_dos(core, POWER_CTL_VLD, BIT(4));
+ amvdec_write_dos(core, MREG_CO_MV_START,
+ mpeg12->workspace_paddr + WORKSPACE_OFFSET);
+
+ amvdec_write_dos(core, MPEG1_2_REG, 0);
+ amvdec_write_dos(core, PSCALE_CTRL, 0);
+ amvdec_write_dos(core, PIC_HEAD_INFO, 0x380);
+ amvdec_write_dos(core, M4_CONTROL_REG, 0);
+ amvdec_write_dos(core, MREG_BUFFERIN, 0);
+ amvdec_write_dos(core, MREG_BUFFEROUT, 0);
+ amvdec_write_dos(core, MREG_CMD, (sess->width << 16) | sess->height);
+ amvdec_write_dos(core, MREG_ERROR_COUNT, 0);
+ amvdec_write_dos(core, MREG_FATAL_ERROR, 0);
+ amvdec_write_dos(core, MREG_WAIT_BUFFER, 0);
+
+ sess->keyframe_found = 1;
+ sess->priv = mpeg12;
+
+ return 0;
+
+free_workspace:
+ dma_free_coherent(core->dev, SIZE_WORKSPACE, mpeg12->workspace_vaddr,
+ mpeg12->workspace_paddr);
+free_mpeg12:
+ kfree(mpeg12);
+
+ return ret;
+}
+
+static int codec_mpeg12_stop(struct amvdec_session *sess)
+{
+ struct codec_mpeg12 *mpeg12 = sess->priv;
+ struct amvdec_core *core = sess->core;
+
+ if (mpeg12->workspace_vaddr)
+ dma_free_coherent(core->dev, SIZE_WORKSPACE,
+ mpeg12->workspace_vaddr,
+ mpeg12->workspace_paddr);
+
+ return 0;
+}
+
+static void codec_mpeg12_update_dar(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ u32 seq = amvdec_read_dos(core, MREG_SEQ_INFO);
+ u32 ar = seq & MPEG2_SEQ_DAR_MASK;
+
+ switch (ar) {
+ case MPEG2_DAR_4_3:
+ amvdec_set_par_from_dar(sess, 4, 3);
+ break;
+ case MPEG2_DAR_16_9:
+ amvdec_set_par_from_dar(sess, 16, 9);
+ break;
+ case MPEG2_DAR_221_100:
+ amvdec_set_par_from_dar(sess, 221, 100);
+ break;
+ default:
+ sess->pixelaspect.numerator = 1;
+ sess->pixelaspect.denominator = 1;
+ break;
+ }
+}
+
+static irqreturn_t codec_mpeg12_threaded_isr(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ u32 reg;
+ u32 pic_info;
+ u32 is_progressive;
+ u32 buffer_index;
+ u32 field = V4L2_FIELD_NONE;
+ u32 offset;
+
+ amvdec_write_dos(core, ASSIST_MBOX1_CLR_REG, 1);
+ reg = amvdec_read_dos(core, MREG_FATAL_ERROR);
+ if (reg == 1) {
+ dev_err(core->dev, "MPEG1/2 fatal error\n");
+ amvdec_abort(sess);
+ return IRQ_HANDLED;
+ }
+
+ reg = amvdec_read_dos(core, MREG_BUFFEROUT);
+ if (!reg)
+ return IRQ_HANDLED;
+
+ /* Unclear what this means */
+ if ((reg & GENMASK(23, 17)) == GENMASK(23, 17))
+ goto end;
+
+ pic_info = amvdec_read_dos(core, MREG_PIC_INFO);
+ is_progressive = pic_info & PICINFO_PROG;
+
+ if (!is_progressive)
+ field = (pic_info & PICINFO_TOP_FIRST) ?
+ V4L2_FIELD_INTERLACED_TB :
+ V4L2_FIELD_INTERLACED_BT;
+
+ codec_mpeg12_update_dar(sess);
+ buffer_index = ((reg & 0xf) - 1) & 7;
+ offset = amvdec_read_dos(core, MREG_FRAME_OFFSET);
+ amvdec_dst_buf_done_idx(sess, buffer_index, offset, field);
+
+end:
+ amvdec_write_dos(core, MREG_BUFFEROUT, 0);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t codec_mpeg12_isr(struct amvdec_session *sess)
+{
+ return IRQ_WAKE_THREAD;
+}
+
+struct amvdec_codec_ops codec_mpeg12_ops = {
+ .start = codec_mpeg12_start,
+ .stop = codec_mpeg12_stop,
+ .isr = codec_mpeg12_isr,
+ .threaded_isr = codec_mpeg12_threaded_isr,
+ .can_recycle = codec_mpeg12_can_recycle,
+ .recycle = codec_mpeg12_recycle,
+ .eos_sequence = codec_mpeg12_eos_sequence,
+};
diff --git a/drivers/staging/media/meson/vdec/codec_mpeg12.h b/drivers/staging/media/meson/vdec/codec_mpeg12.h
new file mode 100644
index 000000000..43cab5f39
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_mpeg12.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_CODEC_MPEG12_H_
+#define __MESON_VDEC_CODEC_MPEG12_H_
+
+#include "vdec.h"
+
+extern struct amvdec_codec_ops codec_mpeg12_ops;
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/codec_vp9.c b/drivers/staging/media/meson/vdec/codec_vp9.c
new file mode 100644
index 000000000..897f5d7a6
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_vp9.c
@@ -0,0 +1,2172 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Maxime Jourdan <mjourdan@baylibre.com>
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ */
+
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "dos_regs.h"
+#include "hevc_regs.h"
+#include "codec_vp9.h"
+#include "vdec_helpers.h"
+#include "codec_hevc_common.h"
+
+/* HEVC reg mapping */
+#define VP9_DEC_STATUS_REG HEVC_ASSIST_SCRATCH_0
+ #define VP9_10B_DECODE_SLICE 5
+ #define VP9_HEAD_PARSER_DONE 0xf0
+#define VP9_RPM_BUFFER HEVC_ASSIST_SCRATCH_1
+#define VP9_SHORT_TERM_RPS HEVC_ASSIST_SCRATCH_2
+#define VP9_ADAPT_PROB_REG HEVC_ASSIST_SCRATCH_3
+#define VP9_MMU_MAP_BUFFER HEVC_ASSIST_SCRATCH_4
+#define VP9_PPS_BUFFER HEVC_ASSIST_SCRATCH_5
+#define VP9_SAO_UP HEVC_ASSIST_SCRATCH_6
+#define VP9_STREAM_SWAP_BUFFER HEVC_ASSIST_SCRATCH_7
+#define VP9_STREAM_SWAP_BUFFER2 HEVC_ASSIST_SCRATCH_8
+#define VP9_PROB_SWAP_BUFFER HEVC_ASSIST_SCRATCH_9
+#define VP9_COUNT_SWAP_BUFFER HEVC_ASSIST_SCRATCH_A
+#define VP9_SEG_MAP_BUFFER HEVC_ASSIST_SCRATCH_B
+#define VP9_SCALELUT HEVC_ASSIST_SCRATCH_D
+#define VP9_WAIT_FLAG HEVC_ASSIST_SCRATCH_E
+#define LMEM_DUMP_ADR HEVC_ASSIST_SCRATCH_F
+#define NAL_SEARCH_CTL HEVC_ASSIST_SCRATCH_I
+#define VP9_DECODE_MODE HEVC_ASSIST_SCRATCH_J
+ #define DECODE_MODE_SINGLE 0
+#define DECODE_STOP_POS HEVC_ASSIST_SCRATCH_K
+#define HEVC_DECODE_COUNT HEVC_ASSIST_SCRATCH_M
+#define HEVC_DECODE_SIZE HEVC_ASSIST_SCRATCH_N
+
+/* VP9 Constants */
+#define LCU_SIZE 64
+#define MAX_REF_PIC_NUM 24
+#define REFS_PER_FRAME 3
+#define REF_FRAMES 8
+#define MV_MEM_UNIT 0x240
+#define ADAPT_PROB_SIZE 0xf80
+
+enum FRAME_TYPE {
+ KEY_FRAME = 0,
+ INTER_FRAME = 1,
+ FRAME_TYPES,
+};
+
+/* VP9 Workspace layout */
+#define MPRED_MV_BUF_SIZE 0x120000
+
+#define IPP_SIZE 0x4000
+#define SAO_ABV_SIZE 0x30000
+#define SAO_VB_SIZE 0x30000
+#define SH_TM_RPS_SIZE 0x800
+#define VPS_SIZE 0x800
+#define SPS_SIZE 0x800
+#define PPS_SIZE 0x2000
+#define SAO_UP_SIZE 0x2800
+#define SWAP_BUF_SIZE 0x800
+#define SWAP_BUF2_SIZE 0x800
+#define SCALELUT_SIZE 0x8000
+#define DBLK_PARA_SIZE 0x80000
+#define DBLK_DATA_SIZE 0x80000
+#define SEG_MAP_SIZE 0xd800
+#define PROB_SIZE 0x5000
+#define COUNT_SIZE 0x3000
+#define MMU_VBH_SIZE 0x5000
+#define MPRED_ABV_SIZE 0x10000
+#define MPRED_MV_SIZE (MPRED_MV_BUF_SIZE * MAX_REF_PIC_NUM)
+#define RPM_BUF_SIZE 0x100
+#define LMEM_SIZE 0x800
+
+#define IPP_OFFSET 0x00
+#define SAO_ABV_OFFSET (IPP_OFFSET + IPP_SIZE)
+#define SAO_VB_OFFSET (SAO_ABV_OFFSET + SAO_ABV_SIZE)
+#define SH_TM_RPS_OFFSET (SAO_VB_OFFSET + SAO_VB_SIZE)
+#define VPS_OFFSET (SH_TM_RPS_OFFSET + SH_TM_RPS_SIZE)
+#define SPS_OFFSET (VPS_OFFSET + VPS_SIZE)
+#define PPS_OFFSET (SPS_OFFSET + SPS_SIZE)
+#define SAO_UP_OFFSET (PPS_OFFSET + PPS_SIZE)
+#define SWAP_BUF_OFFSET (SAO_UP_OFFSET + SAO_UP_SIZE)
+#define SWAP_BUF2_OFFSET (SWAP_BUF_OFFSET + SWAP_BUF_SIZE)
+#define SCALELUT_OFFSET (SWAP_BUF2_OFFSET + SWAP_BUF2_SIZE)
+#define DBLK_PARA_OFFSET (SCALELUT_OFFSET + SCALELUT_SIZE)
+#define DBLK_DATA_OFFSET (DBLK_PARA_OFFSET + DBLK_PARA_SIZE)
+#define SEG_MAP_OFFSET (DBLK_DATA_OFFSET + DBLK_DATA_SIZE)
+#define PROB_OFFSET (SEG_MAP_OFFSET + SEG_MAP_SIZE)
+#define COUNT_OFFSET (PROB_OFFSET + PROB_SIZE)
+#define MMU_VBH_OFFSET (COUNT_OFFSET + COUNT_SIZE)
+#define MPRED_ABV_OFFSET (MMU_VBH_OFFSET + MMU_VBH_SIZE)
+#define MPRED_MV_OFFSET (MPRED_ABV_OFFSET + MPRED_ABV_SIZE)
+#define RPM_OFFSET (MPRED_MV_OFFSET + MPRED_MV_SIZE)
+#define LMEM_OFFSET (RPM_OFFSET + RPM_BUF_SIZE)
+
+#define SIZE_WORKSPACE ALIGN(LMEM_OFFSET + LMEM_SIZE, 64 * SZ_1K)
+
+#define NONE -1
+#define INTRA_FRAME 0
+#define LAST_FRAME 1
+#define GOLDEN_FRAME 2
+#define ALTREF_FRAME 3
+#define MAX_REF_FRAMES 4
+
+/*
+ * Defines, declarations, sub-functions for vp9 de-block loop
+ filter Thr/Lvl table update
+ * - struct segmentation is for loop filter only (removed something)
+ * - function "vp9_loop_filter_init" and "vp9_loop_filter_frame_init" will
+ be instantiated in C_Entry
+ * - vp9_loop_filter_init run once before decoding start
+ * - vp9_loop_filter_frame_init run before every frame decoding start
+ * - set video format to VP9 is in vp9_loop_filter_init
+ */
+#define MAX_LOOP_FILTER 63
+#define MAX_REF_LF_DELTAS 4
+#define MAX_MODE_LF_DELTAS 2
+#define SEGMENT_DELTADATA 0
+#define SEGMENT_ABSDATA 1
+#define MAX_SEGMENTS 8
+
+/* VP9 PROB processing defines */
+#define VP9_PARTITION_START 0
+#define VP9_PARTITION_SIZE_STEP (3 * 4)
+#define VP9_PARTITION_ONE_SIZE (4 * VP9_PARTITION_SIZE_STEP)
+#define VP9_PARTITION_KEY_START 0
+#define VP9_PARTITION_P_START VP9_PARTITION_ONE_SIZE
+#define VP9_PARTITION_SIZE (2 * VP9_PARTITION_ONE_SIZE)
+#define VP9_SKIP_START (VP9_PARTITION_START + VP9_PARTITION_SIZE)
+#define VP9_SKIP_SIZE 4 /* only use 3*/
+#define VP9_TX_MODE_START (VP9_SKIP_START + VP9_SKIP_SIZE)
+#define VP9_TX_MODE_8_0_OFFSET 0
+#define VP9_TX_MODE_8_1_OFFSET 1
+#define VP9_TX_MODE_16_0_OFFSET 2
+#define VP9_TX_MODE_16_1_OFFSET 4
+#define VP9_TX_MODE_32_0_OFFSET 6
+#define VP9_TX_MODE_32_1_OFFSET 9
+#define VP9_TX_MODE_SIZE 12
+#define VP9_COEF_START (VP9_TX_MODE_START + VP9_TX_MODE_SIZE)
+#define VP9_COEF_BAND_0_OFFSET 0
+#define VP9_COEF_BAND_1_OFFSET (VP9_COEF_BAND_0_OFFSET + 3 * 3 + 1)
+#define VP9_COEF_BAND_2_OFFSET (VP9_COEF_BAND_1_OFFSET + 6 * 3)
+#define VP9_COEF_BAND_3_OFFSET (VP9_COEF_BAND_2_OFFSET + 6 * 3)
+#define VP9_COEF_BAND_4_OFFSET (VP9_COEF_BAND_3_OFFSET + 6 * 3)
+#define VP9_COEF_BAND_5_OFFSET (VP9_COEF_BAND_4_OFFSET + 6 * 3)
+#define VP9_COEF_SIZE_ONE_SET 100 /* ((3 + 5 * 6) * 3 + 1 padding)*/
+#define VP9_COEF_4X4_START (VP9_COEF_START + 0 * VP9_COEF_SIZE_ONE_SET)
+#define VP9_COEF_8X8_START (VP9_COEF_START + 4 * VP9_COEF_SIZE_ONE_SET)
+#define VP9_COEF_16X16_START (VP9_COEF_START + 8 * VP9_COEF_SIZE_ONE_SET)
+#define VP9_COEF_32X32_START (VP9_COEF_START + 12 * VP9_COEF_SIZE_ONE_SET)
+#define VP9_COEF_SIZE_PLANE (2 * VP9_COEF_SIZE_ONE_SET)
+#define VP9_COEF_SIZE (4 * 2 * 2 * VP9_COEF_SIZE_ONE_SET)
+#define VP9_INTER_MODE_START (VP9_COEF_START + VP9_COEF_SIZE)
+#define VP9_INTER_MODE_SIZE 24 /* only use 21 (# * 7)*/
+#define VP9_INTERP_START (VP9_INTER_MODE_START + VP9_INTER_MODE_SIZE)
+#define VP9_INTERP_SIZE 8
+#define VP9_INTRA_INTER_START (VP9_INTERP_START + VP9_INTERP_SIZE)
+#define VP9_INTRA_INTER_SIZE 4
+#define VP9_INTERP_INTRA_INTER_START VP9_INTERP_START
+#define VP9_INTERP_INTRA_INTER_SIZE (VP9_INTERP_SIZE + VP9_INTRA_INTER_SIZE)
+#define VP9_COMP_INTER_START \
+ (VP9_INTERP_INTRA_INTER_START + VP9_INTERP_INTRA_INTER_SIZE)
+#define VP9_COMP_INTER_SIZE 5
+#define VP9_COMP_REF_START (VP9_COMP_INTER_START + VP9_COMP_INTER_SIZE)
+#define VP9_COMP_REF_SIZE 5
+#define VP9_SINGLE_REF_START (VP9_COMP_REF_START + VP9_COMP_REF_SIZE)
+#define VP9_SINGLE_REF_SIZE 10
+#define VP9_REF_MODE_START VP9_COMP_INTER_START
+#define VP9_REF_MODE_SIZE \
+ (VP9_COMP_INTER_SIZE + VP9_COMP_REF_SIZE + VP9_SINGLE_REF_SIZE)
+#define VP9_IF_Y_MODE_START (VP9_REF_MODE_START + VP9_REF_MODE_SIZE)
+#define VP9_IF_Y_MODE_SIZE 36
+#define VP9_IF_UV_MODE_START (VP9_IF_Y_MODE_START + VP9_IF_Y_MODE_SIZE)
+#define VP9_IF_UV_MODE_SIZE 92 /* only use 90*/
+#define VP9_MV_JOINTS_START (VP9_IF_UV_MODE_START + VP9_IF_UV_MODE_SIZE)
+#define VP9_MV_JOINTS_SIZE 3
+#define VP9_MV_SIGN_0_START (VP9_MV_JOINTS_START + VP9_MV_JOINTS_SIZE)
+#define VP9_MV_SIGN_0_SIZE 1
+#define VP9_MV_CLASSES_0_START (VP9_MV_SIGN_0_START + VP9_MV_SIGN_0_SIZE)
+#define VP9_MV_CLASSES_0_SIZE 10
+#define VP9_MV_CLASS0_0_START \
+ (VP9_MV_CLASSES_0_START + VP9_MV_CLASSES_0_SIZE)
+#define VP9_MV_CLASS0_0_SIZE 1
+#define VP9_MV_BITS_0_START (VP9_MV_CLASS0_0_START + VP9_MV_CLASS0_0_SIZE)
+#define VP9_MV_BITS_0_SIZE 10
+#define VP9_MV_SIGN_1_START (VP9_MV_BITS_0_START + VP9_MV_BITS_0_SIZE)
+#define VP9_MV_SIGN_1_SIZE 1
+#define VP9_MV_CLASSES_1_START \
+ (VP9_MV_SIGN_1_START + VP9_MV_SIGN_1_SIZE)
+#define VP9_MV_CLASSES_1_SIZE 10
+#define VP9_MV_CLASS0_1_START \
+ (VP9_MV_CLASSES_1_START + VP9_MV_CLASSES_1_SIZE)
+#define VP9_MV_CLASS0_1_SIZE 1
+#define VP9_MV_BITS_1_START \
+ (VP9_MV_CLASS0_1_START + VP9_MV_CLASS0_1_SIZE)
+#define VP9_MV_BITS_1_SIZE 10
+#define VP9_MV_CLASS0_FP_0_START \
+ (VP9_MV_BITS_1_START + VP9_MV_BITS_1_SIZE)
+#define VP9_MV_CLASS0_FP_0_SIZE 9
+#define VP9_MV_CLASS0_FP_1_START \
+ (VP9_MV_CLASS0_FP_0_START + VP9_MV_CLASS0_FP_0_SIZE)
+#define VP9_MV_CLASS0_FP_1_SIZE 9
+#define VP9_MV_CLASS0_HP_0_START \
+ (VP9_MV_CLASS0_FP_1_START + VP9_MV_CLASS0_FP_1_SIZE)
+#define VP9_MV_CLASS0_HP_0_SIZE 2
+#define VP9_MV_CLASS0_HP_1_START \
+ (VP9_MV_CLASS0_HP_0_START + VP9_MV_CLASS0_HP_0_SIZE)
+#define VP9_MV_CLASS0_HP_1_SIZE 2
+#define VP9_MV_START VP9_MV_JOINTS_START
+#define VP9_MV_SIZE 72 /*only use 69*/
+
+#define VP9_TOTAL_SIZE (VP9_MV_START + VP9_MV_SIZE)
+
+/* VP9 COUNT mem processing defines */
+#define VP9_COEF_COUNT_START 0
+#define VP9_COEF_COUNT_BAND_0_OFFSET 0
+#define VP9_COEF_COUNT_BAND_1_OFFSET \
+ (VP9_COEF_COUNT_BAND_0_OFFSET + 3 * 5)
+#define VP9_COEF_COUNT_BAND_2_OFFSET \
+ (VP9_COEF_COUNT_BAND_1_OFFSET + 6 * 5)
+#define VP9_COEF_COUNT_BAND_3_OFFSET \
+ (VP9_COEF_COUNT_BAND_2_OFFSET + 6 * 5)
+#define VP9_COEF_COUNT_BAND_4_OFFSET \
+ (VP9_COEF_COUNT_BAND_3_OFFSET + 6 * 5)
+#define VP9_COEF_COUNT_BAND_5_OFFSET \
+ (VP9_COEF_COUNT_BAND_4_OFFSET + 6 * 5)
+#define VP9_COEF_COUNT_SIZE_ONE_SET 165 /* ((3 + 5 * 6) * 5 */
+#define VP9_COEF_COUNT_4X4_START \
+ (VP9_COEF_COUNT_START + 0 * VP9_COEF_COUNT_SIZE_ONE_SET)
+#define VP9_COEF_COUNT_8X8_START \
+ (VP9_COEF_COUNT_START + 4 * VP9_COEF_COUNT_SIZE_ONE_SET)
+#define VP9_COEF_COUNT_16X16_START \
+ (VP9_COEF_COUNT_START + 8 * VP9_COEF_COUNT_SIZE_ONE_SET)
+#define VP9_COEF_COUNT_32X32_START \
+ (VP9_COEF_COUNT_START + 12 * VP9_COEF_COUNT_SIZE_ONE_SET)
+#define VP9_COEF_COUNT_SIZE_PLANE (2 * VP9_COEF_COUNT_SIZE_ONE_SET)
+#define VP9_COEF_COUNT_SIZE (4 * 2 * 2 * VP9_COEF_COUNT_SIZE_ONE_SET)
+
+#define VP9_INTRA_INTER_COUNT_START \
+ (VP9_COEF_COUNT_START + VP9_COEF_COUNT_SIZE)
+#define VP9_INTRA_INTER_COUNT_SIZE (4 * 2)
+#define VP9_COMP_INTER_COUNT_START \
+ (VP9_INTRA_INTER_COUNT_START + VP9_INTRA_INTER_COUNT_SIZE)
+#define VP9_COMP_INTER_COUNT_SIZE (5 * 2)
+#define VP9_COMP_REF_COUNT_START \
+ (VP9_COMP_INTER_COUNT_START + VP9_COMP_INTER_COUNT_SIZE)
+#define VP9_COMP_REF_COUNT_SIZE (5 * 2)
+#define VP9_SINGLE_REF_COUNT_START \
+ (VP9_COMP_REF_COUNT_START + VP9_COMP_REF_COUNT_SIZE)
+#define VP9_SINGLE_REF_COUNT_SIZE (10 * 2)
+#define VP9_TX_MODE_COUNT_START \
+ (VP9_SINGLE_REF_COUNT_START + VP9_SINGLE_REF_COUNT_SIZE)
+#define VP9_TX_MODE_COUNT_SIZE (12 * 2)
+#define VP9_SKIP_COUNT_START \
+ (VP9_TX_MODE_COUNT_START + VP9_TX_MODE_COUNT_SIZE)
+#define VP9_SKIP_COUNT_SIZE (3 * 2)
+#define VP9_MV_SIGN_0_COUNT_START \
+ (VP9_SKIP_COUNT_START + VP9_SKIP_COUNT_SIZE)
+#define VP9_MV_SIGN_0_COUNT_SIZE (1 * 2)
+#define VP9_MV_SIGN_1_COUNT_START \
+ (VP9_MV_SIGN_0_COUNT_START + VP9_MV_SIGN_0_COUNT_SIZE)
+#define VP9_MV_SIGN_1_COUNT_SIZE (1 * 2)
+#define VP9_MV_BITS_0_COUNT_START \
+ (VP9_MV_SIGN_1_COUNT_START + VP9_MV_SIGN_1_COUNT_SIZE)
+#define VP9_MV_BITS_0_COUNT_SIZE (10 * 2)
+#define VP9_MV_BITS_1_COUNT_START \
+ (VP9_MV_BITS_0_COUNT_START + VP9_MV_BITS_0_COUNT_SIZE)
+#define VP9_MV_BITS_1_COUNT_SIZE (10 * 2)
+#define VP9_MV_CLASS0_HP_0_COUNT_START \
+ (VP9_MV_BITS_1_COUNT_START + VP9_MV_BITS_1_COUNT_SIZE)
+#define VP9_MV_CLASS0_HP_0_COUNT_SIZE (2 * 2)
+#define VP9_MV_CLASS0_HP_1_COUNT_START \
+ (VP9_MV_CLASS0_HP_0_COUNT_START + VP9_MV_CLASS0_HP_0_COUNT_SIZE)
+#define VP9_MV_CLASS0_HP_1_COUNT_SIZE (2 * 2)
+
+/* Start merge_tree */
+#define VP9_INTER_MODE_COUNT_START \
+ (VP9_MV_CLASS0_HP_1_COUNT_START + VP9_MV_CLASS0_HP_1_COUNT_SIZE)
+#define VP9_INTER_MODE_COUNT_SIZE (7 * 4)
+#define VP9_IF_Y_MODE_COUNT_START \
+ (VP9_INTER_MODE_COUNT_START + VP9_INTER_MODE_COUNT_SIZE)
+#define VP9_IF_Y_MODE_COUNT_SIZE (10 * 4)
+#define VP9_IF_UV_MODE_COUNT_START \
+ (VP9_IF_Y_MODE_COUNT_START + VP9_IF_Y_MODE_COUNT_SIZE)
+#define VP9_IF_UV_MODE_COUNT_SIZE (10 * 10)
+#define VP9_PARTITION_P_COUNT_START \
+ (VP9_IF_UV_MODE_COUNT_START + VP9_IF_UV_MODE_COUNT_SIZE)
+#define VP9_PARTITION_P_COUNT_SIZE (4 * 4 * 4)
+#define VP9_INTERP_COUNT_START \
+ (VP9_PARTITION_P_COUNT_START + VP9_PARTITION_P_COUNT_SIZE)
+#define VP9_INTERP_COUNT_SIZE (4 * 3)
+#define VP9_MV_JOINTS_COUNT_START \
+ (VP9_INTERP_COUNT_START + VP9_INTERP_COUNT_SIZE)
+#define VP9_MV_JOINTS_COUNT_SIZE (1 * 4)
+#define VP9_MV_CLASSES_0_COUNT_START \
+ (VP9_MV_JOINTS_COUNT_START + VP9_MV_JOINTS_COUNT_SIZE)
+#define VP9_MV_CLASSES_0_COUNT_SIZE (1 * 11)
+#define VP9_MV_CLASS0_0_COUNT_START \
+ (VP9_MV_CLASSES_0_COUNT_START + VP9_MV_CLASSES_0_COUNT_SIZE)
+#define VP9_MV_CLASS0_0_COUNT_SIZE (1 * 2)
+#define VP9_MV_CLASSES_1_COUNT_START \
+ (VP9_MV_CLASS0_0_COUNT_START + VP9_MV_CLASS0_0_COUNT_SIZE)
+#define VP9_MV_CLASSES_1_COUNT_SIZE (1 * 11)
+#define VP9_MV_CLASS0_1_COUNT_START \
+ (VP9_MV_CLASSES_1_COUNT_START + VP9_MV_CLASSES_1_COUNT_SIZE)
+#define VP9_MV_CLASS0_1_COUNT_SIZE (1 * 2)
+#define VP9_MV_CLASS0_FP_0_COUNT_START \
+ (VP9_MV_CLASS0_1_COUNT_START + VP9_MV_CLASS0_1_COUNT_SIZE)
+#define VP9_MV_CLASS0_FP_0_COUNT_SIZE (3 * 4)
+#define VP9_MV_CLASS0_FP_1_COUNT_START \
+ (VP9_MV_CLASS0_FP_0_COUNT_START + VP9_MV_CLASS0_FP_0_COUNT_SIZE)
+#define VP9_MV_CLASS0_FP_1_COUNT_SIZE (3 * 4)
+
+#define DC_PRED 0 /* Average of above and left pixels */
+#define V_PRED 1 /* Vertical */
+#define H_PRED 2 /* Horizontal */
+#define D45_PRED 3 /* Directional 45 deg = round(arctan(1/1) * 180/pi) */
+#define D135_PRED 4 /* Directional 135 deg = 180 - 45 */
+#define D117_PRED 5 /* Directional 117 deg = 180 - 63 */
+#define D153_PRED 6 /* Directional 153 deg = 180 - 27 */
+#define D207_PRED 7 /* Directional 207 deg = 180 + 27 */
+#define D63_PRED 8 /* Directional 63 deg = round(arctan(2/1) * 180/pi) */
+#define TM_PRED 9 /* True-motion */
+
+/* Use a static inline to avoid possible side effect from num being reused */
+static inline int round_power_of_two(int value, int num)
+{
+ return (value + (1 << (num - 1))) >> num;
+}
+
+#define MODE_MV_COUNT_SAT 20
+static const int count_to_update_factor[MODE_MV_COUNT_SAT + 1] = {
+ 0, 6, 12, 19, 25, 32, 38, 44, 51, 57, 64,
+ 70, 76, 83, 89, 96, 102, 108, 115, 121, 128
+};
+
+union rpm_param {
+ struct {
+ u16 data[RPM_BUF_SIZE];
+ } l;
+ struct {
+ u16 profile;
+ u16 show_existing_frame;
+ u16 frame_to_show_idx;
+ u16 frame_type; /*1 bit*/
+ u16 show_frame; /*1 bit*/
+ u16 error_resilient_mode; /*1 bit*/
+ u16 intra_only; /*1 bit*/
+ u16 display_size_present; /*1 bit*/
+ u16 reset_frame_context;
+ u16 refresh_frame_flags;
+ u16 width;
+ u16 height;
+ u16 display_width;
+ u16 display_height;
+ u16 ref_info;
+ u16 same_frame_size;
+ u16 mode_ref_delta_enabled;
+ u16 ref_deltas[4];
+ u16 mode_deltas[2];
+ u16 filter_level;
+ u16 sharpness_level;
+ u16 bit_depth;
+ u16 seg_quant_info[8];
+ u16 seg_enabled;
+ u16 seg_abs_delta;
+ /* bit 15: feature enabled; bit 8, sign; bit[5:0], data */
+ u16 seg_lf_info[8];
+ } p;
+};
+
+enum SEG_LVL_FEATURES {
+ SEG_LVL_ALT_Q = 0, /* Use alternate Quantizer */
+ SEG_LVL_ALT_LF = 1, /* Use alternate loop filter value */
+ SEG_LVL_REF_FRAME = 2, /* Optional Segment reference frame */
+ SEG_LVL_SKIP = 3, /* Optional Segment (0,0) + skip mode */
+ SEG_LVL_MAX = 4 /* Number of features supported */
+};
+
+struct segmentation {
+ u8 enabled;
+ u8 update_map;
+ u8 update_data;
+ u8 abs_delta;
+ u8 temporal_update;
+ s16 feature_data[MAX_SEGMENTS][SEG_LVL_MAX];
+ unsigned int feature_mask[MAX_SEGMENTS];
+};
+
+struct loop_filter_thresh {
+ u8 mblim;
+ u8 lim;
+ u8 hev_thr;
+};
+
+struct loop_filter_info_n {
+ struct loop_filter_thresh lfthr[MAX_LOOP_FILTER + 1];
+ u8 lvl[MAX_SEGMENTS][MAX_REF_FRAMES][MAX_MODE_LF_DELTAS];
+};
+
+struct loopfilter {
+ int filter_level;
+
+ int sharpness_level;
+ int last_sharpness_level;
+
+ u8 mode_ref_delta_enabled;
+ u8 mode_ref_delta_update;
+
+ /*0 = Intra, Last, GF, ARF*/
+ signed char ref_deltas[MAX_REF_LF_DELTAS];
+ signed char last_ref_deltas[MAX_REF_LF_DELTAS];
+
+ /*0 = ZERO_MV, MV*/
+ signed char mode_deltas[MAX_MODE_LF_DELTAS];
+ signed char last_mode_deltas[MAX_MODE_LF_DELTAS];
+};
+
+struct vp9_frame {
+ struct list_head list;
+ struct vb2_v4l2_buffer *vbuf;
+ int index;
+ int intra_only;
+ int show;
+ int type;
+ int done;
+ unsigned int width;
+ unsigned int height;
+};
+
+struct codec_vp9 {
+ /* VP9 context lock */
+ struct mutex lock;
+
+ /* Common part with the HEVC decoder */
+ struct codec_hevc_common common;
+
+ /* Buffer for the VP9 Workspace */
+ void *workspace_vaddr;
+ dma_addr_t workspace_paddr;
+
+ /* Contains many information parsed from the bitstream */
+ union rpm_param rpm_param;
+
+ /* Whether we detected the bitstream as 10-bit */
+ int is_10bit;
+
+ /* Coded resolution reported by the hardware */
+ u32 width, height;
+
+ /* All ref frames used by the HW at a given time */
+ struct list_head ref_frames_list;
+ u32 frames_num;
+
+ /* In case of downsampling (decoding with FBC but outputting in NV12M),
+ * we need to allocate additional buffers for FBC.
+ */
+ void *fbc_buffer_vaddr[MAX_REF_PIC_NUM];
+ dma_addr_t fbc_buffer_paddr[MAX_REF_PIC_NUM];
+
+ int ref_frame_map[REF_FRAMES];
+ int next_ref_frame_map[REF_FRAMES];
+ struct vp9_frame *frame_refs[REFS_PER_FRAME];
+
+ u32 lcu_total;
+
+ /* loop filter */
+ int default_filt_lvl;
+ struct loop_filter_info_n lfi;
+ struct loopfilter lf;
+ struct segmentation seg_4lf;
+
+ struct vp9_frame *cur_frame;
+ struct vp9_frame *prev_frame;
+};
+
+static int div_r32(s64 m, int n)
+{
+ s64 qu = div_s64(m, n);
+
+ return (int)qu;
+}
+
+static int clip_prob(int p)
+{
+ return clamp_val(p, 1, 255);
+}
+
+static int segfeature_active(struct segmentation *seg, int segment_id,
+ enum SEG_LVL_FEATURES feature_id)
+{
+ return seg->enabled &&
+ (seg->feature_mask[segment_id] & (1 << feature_id));
+}
+
+static int get_segdata(struct segmentation *seg, int segment_id,
+ enum SEG_LVL_FEATURES feature_id)
+{
+ return seg->feature_data[segment_id][feature_id];
+}
+
+static void vp9_update_sharpness(struct loop_filter_info_n *lfi,
+ int sharpness_lvl)
+{
+ int lvl;
+
+ /* For each possible value for the loop filter fill out limits*/
+ for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) {
+ /* Set loop filter parameters that control sharpness.*/
+ int block_inside_limit = lvl >> ((sharpness_lvl > 0) +
+ (sharpness_lvl > 4));
+
+ if (sharpness_lvl > 0) {
+ if (block_inside_limit > (9 - sharpness_lvl))
+ block_inside_limit = (9 - sharpness_lvl);
+ }
+
+ if (block_inside_limit < 1)
+ block_inside_limit = 1;
+
+ lfi->lfthr[lvl].lim = (u8)block_inside_limit;
+ lfi->lfthr[lvl].mblim = (u8)(2 * (lvl + 2) +
+ block_inside_limit);
+ }
+}
+
+/* Instantiate this function once when decode is started */
+static void
+vp9_loop_filter_init(struct amvdec_core *core, struct codec_vp9 *vp9)
+{
+ struct loop_filter_info_n *lfi = &vp9->lfi;
+ struct loopfilter *lf = &vp9->lf;
+ struct segmentation *seg_4lf = &vp9->seg_4lf;
+ int i;
+
+ memset(lfi, 0, sizeof(struct loop_filter_info_n));
+ memset(lf, 0, sizeof(struct loopfilter));
+ memset(seg_4lf, 0, sizeof(struct segmentation));
+ lf->sharpness_level = 0;
+ vp9_update_sharpness(lfi, lf->sharpness_level);
+ lf->last_sharpness_level = lf->sharpness_level;
+
+ for (i = 0; i < 32; i++) {
+ unsigned int thr;
+
+ thr = ((lfi->lfthr[i * 2 + 1].lim & 0x3f) << 8) |
+ (lfi->lfthr[i * 2 + 1].mblim & 0xff);
+ thr = (thr << 16) | ((lfi->lfthr[i * 2].lim & 0x3f) << 8) |
+ (lfi->lfthr[i * 2].mblim & 0xff);
+
+ amvdec_write_dos(core, HEVC_DBLK_CFG9, thr);
+ }
+
+ if (core->platform->revision >= VDEC_REVISION_SM1)
+ amvdec_write_dos(core, HEVC_DBLK_CFGB,
+ (0x3 << 14) | /* dw fifo thres r and b */
+ (0x3 << 12) | /* dw fifo thres r or b */
+ (0x3 << 10) | /* dw fifo thres not r/b */
+ BIT(0)); /* VP9 video format */
+ else if (core->platform->revision >= VDEC_REVISION_G12A)
+ /* VP9 video format */
+ amvdec_write_dos(core, HEVC_DBLK_CFGB, (0x54 << 8) | BIT(0));
+ else
+ amvdec_write_dos(core, HEVC_DBLK_CFGB, 0x40400001);
+}
+
+static void
+vp9_loop_filter_frame_init(struct amvdec_core *core, struct segmentation *seg,
+ struct loop_filter_info_n *lfi,
+ struct loopfilter *lf, int default_filt_lvl)
+{
+ int i;
+ int seg_id;
+
+ /*
+ * n_shift is the multiplier for lf_deltas
+ * the multiplier is:
+ * - 1 for when filter_lvl is between 0 and 31
+ * - 2 when filter_lvl is between 32 and 63
+ */
+ const int scale = 1 << (default_filt_lvl >> 5);
+
+ /* update limits if sharpness has changed */
+ if (lf->last_sharpness_level != lf->sharpness_level) {
+ vp9_update_sharpness(lfi, lf->sharpness_level);
+ lf->last_sharpness_level = lf->sharpness_level;
+
+ /* Write to register */
+ for (i = 0; i < 32; i++) {
+ unsigned int thr;
+
+ thr = ((lfi->lfthr[i * 2 + 1].lim & 0x3f) << 8) |
+ (lfi->lfthr[i * 2 + 1].mblim & 0xff);
+ thr = (thr << 16) |
+ ((lfi->lfthr[i * 2].lim & 0x3f) << 8) |
+ (lfi->lfthr[i * 2].mblim & 0xff);
+
+ amvdec_write_dos(core, HEVC_DBLK_CFG9, thr);
+ }
+ }
+
+ for (seg_id = 0; seg_id < MAX_SEGMENTS; seg_id++) {
+ int lvl_seg = default_filt_lvl;
+
+ if (segfeature_active(seg, seg_id, SEG_LVL_ALT_LF)) {
+ const int data = get_segdata(seg, seg_id,
+ SEG_LVL_ALT_LF);
+ lvl_seg = clamp_t(int,
+ seg->abs_delta == SEGMENT_ABSDATA ?
+ data : default_filt_lvl + data,
+ 0, MAX_LOOP_FILTER);
+ }
+
+ if (!lf->mode_ref_delta_enabled) {
+ /*
+ * We could get rid of this if we assume that deltas
+ * are set to zero when not in use.
+ * encoder always uses deltas
+ */
+ memset(lfi->lvl[seg_id], lvl_seg,
+ sizeof(lfi->lvl[seg_id]));
+ } else {
+ int ref, mode;
+ const int intra_lvl =
+ lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale;
+ lfi->lvl[seg_id][INTRA_FRAME][0] =
+ clamp_val(intra_lvl, 0, MAX_LOOP_FILTER);
+
+ for (ref = LAST_FRAME; ref < MAX_REF_FRAMES; ++ref) {
+ for (mode = 0; mode < MAX_MODE_LF_DELTAS;
+ ++mode) {
+ const int inter_lvl =
+ lvl_seg +
+ lf->ref_deltas[ref] * scale +
+ lf->mode_deltas[mode] * scale;
+ lfi->lvl[seg_id][ref][mode] =
+ clamp_val(inter_lvl, 0,
+ MAX_LOOP_FILTER);
+ }
+ }
+ }
+ }
+
+ for (i = 0; i < 16; i++) {
+ unsigned int level;
+
+ level = ((lfi->lvl[i >> 1][3][i & 1] & 0x3f) << 24) |
+ ((lfi->lvl[i >> 1][2][i & 1] & 0x3f) << 16) |
+ ((lfi->lvl[i >> 1][1][i & 1] & 0x3f) << 8) |
+ (lfi->lvl[i >> 1][0][i & 1] & 0x3f);
+ if (!default_filt_lvl)
+ level = 0;
+
+ amvdec_write_dos(core, HEVC_DBLK_CFGA, level);
+ }
+}
+
+static void codec_vp9_flush_output(struct amvdec_session *sess)
+{
+ struct codec_vp9 *vp9 = sess->priv;
+ struct vp9_frame *tmp, *n;
+
+ mutex_lock(&vp9->lock);
+ list_for_each_entry_safe(tmp, n, &vp9->ref_frames_list, list) {
+ if (!tmp->done) {
+ if (tmp->show)
+ amvdec_dst_buf_done(sess, tmp->vbuf,
+ V4L2_FIELD_NONE);
+ else
+ v4l2_m2m_buf_queue(sess->m2m_ctx, tmp->vbuf);
+
+ vp9->frames_num--;
+ }
+
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+ mutex_unlock(&vp9->lock);
+}
+
+static u32 codec_vp9_num_pending_bufs(struct amvdec_session *sess)
+{
+ struct codec_vp9 *vp9 = sess->priv;
+
+ if (!vp9)
+ return 0;
+
+ return vp9->frames_num;
+}
+
+static int codec_vp9_alloc_workspace(struct amvdec_core *core,
+ struct codec_vp9 *vp9)
+{
+ /* Allocate some memory for the VP9 decoder's state */
+ vp9->workspace_vaddr = dma_alloc_coherent(core->dev, SIZE_WORKSPACE,
+ &vp9->workspace_paddr,
+ GFP_KERNEL);
+ if (!vp9->workspace_vaddr) {
+ dev_err(core->dev, "Failed to allocate VP9 Workspace\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void codec_vp9_setup_workspace(struct amvdec_session *sess,
+ struct codec_vp9 *vp9)
+{
+ struct amvdec_core *core = sess->core;
+ u32 revision = core->platform->revision;
+ dma_addr_t wkaddr = vp9->workspace_paddr;
+
+ amvdec_write_dos(core, HEVCD_IPP_LINEBUFF_BASE, wkaddr + IPP_OFFSET);
+ amvdec_write_dos(core, VP9_RPM_BUFFER, wkaddr + RPM_OFFSET);
+ amvdec_write_dos(core, VP9_SHORT_TERM_RPS, wkaddr + SH_TM_RPS_OFFSET);
+ amvdec_write_dos(core, VP9_PPS_BUFFER, wkaddr + PPS_OFFSET);
+ amvdec_write_dos(core, VP9_SAO_UP, wkaddr + SAO_UP_OFFSET);
+
+ amvdec_write_dos(core, VP9_STREAM_SWAP_BUFFER,
+ wkaddr + SWAP_BUF_OFFSET);
+ amvdec_write_dos(core, VP9_STREAM_SWAP_BUFFER2,
+ wkaddr + SWAP_BUF2_OFFSET);
+ amvdec_write_dos(core, VP9_SCALELUT, wkaddr + SCALELUT_OFFSET);
+
+ if (core->platform->revision >= VDEC_REVISION_G12A)
+ amvdec_write_dos(core, HEVC_DBLK_CFGE,
+ wkaddr + DBLK_PARA_OFFSET);
+
+ amvdec_write_dos(core, HEVC_DBLK_CFG4, wkaddr + DBLK_PARA_OFFSET);
+ amvdec_write_dos(core, HEVC_DBLK_CFG5, wkaddr + DBLK_DATA_OFFSET);
+ amvdec_write_dos(core, VP9_SEG_MAP_BUFFER, wkaddr + SEG_MAP_OFFSET);
+ amvdec_write_dos(core, VP9_PROB_SWAP_BUFFER, wkaddr + PROB_OFFSET);
+ amvdec_write_dos(core, VP9_COUNT_SWAP_BUFFER, wkaddr + COUNT_OFFSET);
+ amvdec_write_dos(core, LMEM_DUMP_ADR, wkaddr + LMEM_OFFSET);
+
+ if (codec_hevc_use_mmu(revision, sess->pixfmt_cap, vp9->is_10bit)) {
+ amvdec_write_dos(core, HEVC_SAO_MMU_VH0_ADDR,
+ wkaddr + MMU_VBH_OFFSET);
+ amvdec_write_dos(core, HEVC_SAO_MMU_VH1_ADDR,
+ wkaddr + MMU_VBH_OFFSET + (MMU_VBH_SIZE / 2));
+
+ if (revision >= VDEC_REVISION_G12A)
+ amvdec_write_dos(core, HEVC_ASSIST_MMU_MAP_ADDR,
+ vp9->common.mmu_map_paddr);
+ else
+ amvdec_write_dos(core, VP9_MMU_MAP_BUFFER,
+ vp9->common.mmu_map_paddr);
+ }
+}
+
+static int codec_vp9_start(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_vp9 *vp9;
+ u32 val;
+ int i;
+ int ret;
+
+ vp9 = kzalloc(sizeof(*vp9), GFP_KERNEL);
+ if (!vp9)
+ return -ENOMEM;
+
+ ret = codec_vp9_alloc_workspace(core, vp9);
+ if (ret)
+ goto free_vp9;
+
+ codec_vp9_setup_workspace(sess, vp9);
+ amvdec_write_dos_bits(core, HEVC_STREAM_CONTROL, BIT(0));
+ /* stream_fifo_hole */
+ if (core->platform->revision >= VDEC_REVISION_G12A)
+ amvdec_write_dos_bits(core, HEVC_STREAM_FIFO_CTL, BIT(29));
+
+ val = amvdec_read_dos(core, HEVC_PARSER_INT_CONTROL) & 0x7fffffff;
+ val |= (3 << 29) | BIT(24) | BIT(22) | BIT(7) | BIT(4) | BIT(0);
+ amvdec_write_dos(core, HEVC_PARSER_INT_CONTROL, val);
+ amvdec_write_dos_bits(core, HEVC_SHIFT_STATUS, BIT(0));
+ amvdec_write_dos(core, HEVC_SHIFT_CONTROL, BIT(10) | BIT(9) |
+ (3 << 6) | BIT(5) | BIT(2) | BIT(1) | BIT(0));
+ amvdec_write_dos(core, HEVC_CABAC_CONTROL, BIT(0));
+ amvdec_write_dos(core, HEVC_PARSER_CORE_CONTROL, BIT(0));
+ amvdec_write_dos(core, HEVC_SHIFT_STARTCODE, 0x00000001);
+
+ amvdec_write_dos(core, VP9_DEC_STATUS_REG, 0);
+
+ amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE, BIT(16));
+ for (i = 0; i < ARRAY_SIZE(vdec_hevc_parser_cmd); ++i)
+ amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE,
+ vdec_hevc_parser_cmd[i]);
+
+ amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_0, PARSER_CMD_SKIP_CFG_0);
+ amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_1, PARSER_CMD_SKIP_CFG_1);
+ amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_2, PARSER_CMD_SKIP_CFG_2);
+ amvdec_write_dos(core, HEVC_PARSER_IF_CONTROL,
+ BIT(5) | BIT(2) | BIT(0));
+
+ amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(0));
+ amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(1));
+
+ amvdec_write_dos(core, VP9_WAIT_FLAG, 1);
+
+ /* clear mailbox interrupt */
+ amvdec_write_dos(core, HEVC_ASSIST_MBOX1_CLR_REG, 1);
+ /* enable mailbox interrupt */
+ amvdec_write_dos(core, HEVC_ASSIST_MBOX1_MASK, 1);
+ /* disable PSCALE for hardware sharing */
+ amvdec_write_dos(core, HEVC_PSCALE_CTRL, 0);
+ /* Let the uCode do all the parsing */
+ amvdec_write_dos(core, NAL_SEARCH_CTL, 0x8);
+
+ amvdec_write_dos(core, DECODE_STOP_POS, 0);
+ amvdec_write_dos(core, VP9_DECODE_MODE, DECODE_MODE_SINGLE);
+
+ pr_debug("decode_count: %u; decode_size: %u\n",
+ amvdec_read_dos(core, HEVC_DECODE_COUNT),
+ amvdec_read_dos(core, HEVC_DECODE_SIZE));
+
+ vp9_loop_filter_init(core, vp9);
+
+ INIT_LIST_HEAD(&vp9->ref_frames_list);
+ mutex_init(&vp9->lock);
+ memset(&vp9->ref_frame_map, -1, sizeof(vp9->ref_frame_map));
+ memset(&vp9->next_ref_frame_map, -1, sizeof(vp9->next_ref_frame_map));
+ for (i = 0; i < REFS_PER_FRAME; ++i)
+ vp9->frame_refs[i] = NULL;
+ sess->priv = vp9;
+
+ return 0;
+
+free_vp9:
+ kfree(vp9);
+ return ret;
+}
+
+static int codec_vp9_stop(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_vp9 *vp9 = sess->priv;
+
+ mutex_lock(&vp9->lock);
+ if (vp9->workspace_vaddr)
+ dma_free_coherent(core->dev, SIZE_WORKSPACE,
+ vp9->workspace_vaddr,
+ vp9->workspace_paddr);
+
+ codec_hevc_free_fbc_buffers(sess, &vp9->common);
+ mutex_unlock(&vp9->lock);
+
+ return 0;
+}
+
+/*
+ * Program LAST & GOLDEN frames into the motion compensation reference cache
+ * controller
+ */
+static void codec_vp9_set_mcrcc(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_vp9 *vp9 = sess->priv;
+ u32 val;
+
+ /* Reset mcrcc */
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0x2);
+ /* Disable on I-frame */
+ if (vp9->cur_frame->type == KEY_FRAME || vp9->cur_frame->intra_only) {
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0x0);
+ return;
+ }
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, BIT(1));
+ val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR) & 0xffff;
+ val |= (val << 16);
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL2, val);
+ val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR) & 0xffff;
+ val |= (val << 16);
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val);
+
+ /* Enable mcrcc progressive-mode */
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0xff0);
+}
+
+static void codec_vp9_set_sao(struct amvdec_session *sess,
+ struct vb2_buffer *vb)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_vp9 *vp9 = sess->priv;
+
+ dma_addr_t buf_y_paddr;
+ dma_addr_t buf_u_v_paddr;
+ u32 val;
+
+ if (codec_hevc_use_downsample(sess->pixfmt_cap, vp9->is_10bit))
+ buf_y_paddr =
+ vp9->common.fbc_buffer_paddr[vb->index];
+ else
+ buf_y_paddr =
+ vb2_dma_contig_plane_dma_addr(vb, 0);
+
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit)) {
+ val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0200;
+ amvdec_write_dos(core, HEVC_SAO_CTRL5, val);
+ amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr);
+ }
+
+ if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) {
+ buf_y_paddr =
+ vb2_dma_contig_plane_dma_addr(vb, 0);
+ buf_u_v_paddr =
+ vb2_dma_contig_plane_dma_addr(vb, 1);
+ amvdec_write_dos(core, HEVC_SAO_Y_START_ADDR, buf_y_paddr);
+ amvdec_write_dos(core, HEVC_SAO_C_START_ADDR, buf_u_v_paddr);
+ amvdec_write_dos(core, HEVC_SAO_Y_WPTR, buf_y_paddr);
+ amvdec_write_dos(core, HEVC_SAO_C_WPTR, buf_u_v_paddr);
+ }
+
+ if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap,
+ vp9->is_10bit)) {
+ amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR,
+ vp9->common.mmu_header_paddr[vb->index]);
+ /* use HEVC_CM_HEADER_START_ADDR */
+ amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(10));
+ }
+
+ amvdec_write_dos(core, HEVC_SAO_Y_LENGTH,
+ amvdec_get_output_size(sess));
+ amvdec_write_dos(core, HEVC_SAO_C_LENGTH,
+ (amvdec_get_output_size(sess) / 2));
+
+ if (core->platform->revision >= VDEC_REVISION_G12A) {
+ amvdec_clear_dos_bits(core, HEVC_DBLK_CFGB,
+ BIT(4) | BIT(5) | BIT(8) | BIT(9));
+ /* enable first, compressed write */
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit))
+ amvdec_write_dos_bits(core, HEVC_DBLK_CFGB, BIT(8));
+
+ /* enable second, uncompressed write */
+ if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M)
+ amvdec_write_dos_bits(core, HEVC_DBLK_CFGB, BIT(9));
+
+ /* dblk pipeline mode=1 for performance */
+ if (sess->width >= 1280)
+ amvdec_write_dos_bits(core, HEVC_DBLK_CFGB, BIT(4));
+
+ pr_debug("HEVC_DBLK_CFGB: %08X\n",
+ amvdec_read_dos(core, HEVC_DBLK_CFGB));
+ }
+
+ val = amvdec_read_dos(core, HEVC_SAO_CTRL1) & ~0x3ff0;
+ val |= 0xff0; /* Set endianness for 2-bytes swaps (nv12) */
+ if (core->platform->revision < VDEC_REVISION_G12A) {
+ val &= ~0x3;
+ if (!codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit))
+ val |= BIT(0); /* disable cm compression */
+ /* TOFIX: Handle Amlogic Framebuffer compression */
+ }
+
+ amvdec_write_dos(core, HEVC_SAO_CTRL1, val);
+ pr_debug("HEVC_SAO_CTRL1: %08X\n", val);
+
+ /* no downscale for NV12 */
+ val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0000;
+ amvdec_write_dos(core, HEVC_SAO_CTRL5, val);
+
+ val = amvdec_read_dos(core, HEVCD_IPP_AXIIF_CONFIG) & ~0x30;
+ val |= 0xf;
+ val &= ~BIT(12); /* NV12 */
+ amvdec_write_dos(core, HEVCD_IPP_AXIIF_CONFIG, val);
+}
+
+static dma_addr_t codec_vp9_get_frame_mv_paddr(struct codec_vp9 *vp9,
+ struct vp9_frame *frame)
+{
+ return vp9->workspace_paddr + MPRED_MV_OFFSET +
+ (frame->index * MPRED_MV_BUF_SIZE);
+}
+
+static void codec_vp9_set_mpred_mv(struct amvdec_core *core,
+ struct codec_vp9 *vp9)
+{
+ int mpred_mv_rd_end_addr;
+ int use_prev_frame_mvs = vp9->prev_frame->width ==
+ vp9->cur_frame->width &&
+ vp9->prev_frame->height ==
+ vp9->cur_frame->height &&
+ !vp9->prev_frame->intra_only &&
+ vp9->prev_frame->show &&
+ vp9->prev_frame->type != KEY_FRAME;
+
+ amvdec_write_dos(core, HEVC_MPRED_CTRL3, 0x24122412);
+ amvdec_write_dos(core, HEVC_MPRED_ABV_START_ADDR,
+ vp9->workspace_paddr + MPRED_ABV_OFFSET);
+
+ amvdec_clear_dos_bits(core, HEVC_MPRED_CTRL4, BIT(6));
+ if (use_prev_frame_mvs)
+ amvdec_write_dos_bits(core, HEVC_MPRED_CTRL4, BIT(6));
+
+ amvdec_write_dos(core, HEVC_MPRED_MV_WR_START_ADDR,
+ codec_vp9_get_frame_mv_paddr(vp9, vp9->cur_frame));
+ amvdec_write_dos(core, HEVC_MPRED_MV_WPTR,
+ codec_vp9_get_frame_mv_paddr(vp9, vp9->cur_frame));
+
+ amvdec_write_dos(core, HEVC_MPRED_MV_RD_START_ADDR,
+ codec_vp9_get_frame_mv_paddr(vp9, vp9->prev_frame));
+ amvdec_write_dos(core, HEVC_MPRED_MV_RPTR,
+ codec_vp9_get_frame_mv_paddr(vp9, vp9->prev_frame));
+
+ mpred_mv_rd_end_addr =
+ codec_vp9_get_frame_mv_paddr(vp9, vp9->prev_frame) +
+ (vp9->lcu_total * MV_MEM_UNIT);
+ amvdec_write_dos(core, HEVC_MPRED_MV_RD_END_ADDR, mpred_mv_rd_end_addr);
+}
+
+static void codec_vp9_update_next_ref(struct codec_vp9 *vp9)
+{
+ union rpm_param *param = &vp9->rpm_param;
+ u32 buf_idx = vp9->cur_frame->index;
+ int ref_index = 0;
+ int refresh_frame_flags;
+ int mask;
+
+ refresh_frame_flags = vp9->cur_frame->type == KEY_FRAME ?
+ 0xff : param->p.refresh_frame_flags;
+
+ for (mask = refresh_frame_flags; mask; mask >>= 1) {
+ pr_debug("mask=%08X; ref_index=%d\n", mask, ref_index);
+ if (mask & 1)
+ vp9->next_ref_frame_map[ref_index] = buf_idx;
+ else
+ vp9->next_ref_frame_map[ref_index] =
+ vp9->ref_frame_map[ref_index];
+
+ ++ref_index;
+ }
+
+ for (; ref_index < REF_FRAMES; ++ref_index)
+ vp9->next_ref_frame_map[ref_index] =
+ vp9->ref_frame_map[ref_index];
+}
+
+static void codec_vp9_save_refs(struct codec_vp9 *vp9)
+{
+ union rpm_param *param = &vp9->rpm_param;
+ int i;
+
+ for (i = 0; i < REFS_PER_FRAME; ++i) {
+ const int ref = (param->p.ref_info >>
+ (((REFS_PER_FRAME - i - 1) * 4) + 1)) & 0x7;
+
+ if (vp9->ref_frame_map[ref] < 0)
+ continue;
+
+ pr_warn("%s: FIXME, would need to save ref %d\n",
+ __func__, vp9->ref_frame_map[ref]);
+ }
+}
+
+static void codec_vp9_update_ref(struct codec_vp9 *vp9)
+{
+ union rpm_param *param = &vp9->rpm_param;
+ int ref_index = 0;
+ int mask;
+ int refresh_frame_flags;
+
+ if (!vp9->cur_frame)
+ return;
+
+ refresh_frame_flags = vp9->cur_frame->type == KEY_FRAME ?
+ 0xff : param->p.refresh_frame_flags;
+
+ for (mask = refresh_frame_flags; mask; mask >>= 1) {
+ vp9->ref_frame_map[ref_index] =
+ vp9->next_ref_frame_map[ref_index];
+ ++ref_index;
+ }
+
+ if (param->p.show_existing_frame)
+ return;
+
+ for (; ref_index < REF_FRAMES; ++ref_index)
+ vp9->ref_frame_map[ref_index] =
+ vp9->next_ref_frame_map[ref_index];
+}
+
+static struct vp9_frame *codec_vp9_get_frame_by_idx(struct codec_vp9 *vp9,
+ int idx)
+{
+ struct vp9_frame *frame;
+
+ list_for_each_entry(frame, &vp9->ref_frames_list, list) {
+ if (frame->index == idx)
+ return frame;
+ }
+
+ return NULL;
+}
+
+static void codec_vp9_sync_ref(struct codec_vp9 *vp9)
+{
+ union rpm_param *param = &vp9->rpm_param;
+ int i;
+
+ for (i = 0; i < REFS_PER_FRAME; ++i) {
+ const int ref = (param->p.ref_info >>
+ (((REFS_PER_FRAME - i - 1) * 4) + 1)) & 0x7;
+ const int idx = vp9->ref_frame_map[ref];
+
+ vp9->frame_refs[i] = codec_vp9_get_frame_by_idx(vp9, idx);
+ if (!vp9->frame_refs[i])
+ pr_warn("%s: couldn't find VP9 ref %d\n", __func__,
+ idx);
+ }
+}
+
+static void codec_vp9_set_refs(struct amvdec_session *sess,
+ struct codec_vp9 *vp9)
+{
+ struct amvdec_core *core = sess->core;
+ int i;
+
+ for (i = 0; i < REFS_PER_FRAME; ++i) {
+ struct vp9_frame *frame = vp9->frame_refs[i];
+ int id_y;
+ int id_u_v;
+
+ if (!frame)
+ continue;
+
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit)) {
+ id_y = frame->index;
+ id_u_v = id_y;
+ } else {
+ id_y = frame->index * 2;
+ id_u_v = id_y + 1;
+ }
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR,
+ (id_u_v << 16) | (id_u_v << 8) | id_y);
+ }
+}
+
+static void codec_vp9_set_mc(struct amvdec_session *sess,
+ struct codec_vp9 *vp9)
+{
+ struct amvdec_core *core = sess->core;
+ u32 scale = 0;
+ u32 sz;
+ int i;
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1);
+ codec_vp9_set_refs(sess, vp9);
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR,
+ (16 << 8) | 1);
+ codec_vp9_set_refs(sess, vp9);
+
+ amvdec_write_dos(core, VP9D_MPP_REFINFO_TBL_ACCCONFIG, BIT(2));
+ for (i = 0; i < REFS_PER_FRAME; ++i) {
+ if (!vp9->frame_refs[i])
+ continue;
+
+ if (vp9->frame_refs[i]->width != vp9->width ||
+ vp9->frame_refs[i]->height != vp9->height)
+ scale = 1;
+
+ sz = amvdec_am21c_body_size(vp9->frame_refs[i]->width,
+ vp9->frame_refs[i]->height);
+
+ amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA,
+ vp9->frame_refs[i]->width);
+ amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA,
+ vp9->frame_refs[i]->height);
+ amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA,
+ (vp9->frame_refs[i]->width << 14) /
+ vp9->width);
+ amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA,
+ (vp9->frame_refs[i]->height << 14) /
+ vp9->height);
+ amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA, sz >> 5);
+ }
+
+ amvdec_write_dos(core, VP9D_MPP_REF_SCALE_ENBL, scale);
+}
+
+static struct vp9_frame *codec_vp9_get_new_frame(struct amvdec_session *sess)
+{
+ struct codec_vp9 *vp9 = sess->priv;
+ union rpm_param *param = &vp9->rpm_param;
+ struct vb2_v4l2_buffer *vbuf;
+ struct vp9_frame *new_frame;
+
+ new_frame = kzalloc(sizeof(*new_frame), GFP_KERNEL);
+ if (!new_frame)
+ return NULL;
+
+ vbuf = v4l2_m2m_dst_buf_remove(sess->m2m_ctx);
+ if (!vbuf) {
+ dev_err(sess->core->dev, "No dst buffer available\n");
+ kfree(new_frame);
+ return NULL;
+ }
+
+ while (codec_vp9_get_frame_by_idx(vp9, vbuf->vb2_buf.index)) {
+ struct vb2_v4l2_buffer *old_vbuf = vbuf;
+
+ vbuf = v4l2_m2m_dst_buf_remove(sess->m2m_ctx);
+ v4l2_m2m_buf_queue(sess->m2m_ctx, old_vbuf);
+ if (!vbuf) {
+ dev_err(sess->core->dev, "No dst buffer available\n");
+ kfree(new_frame);
+ return NULL;
+ }
+ }
+
+ new_frame->vbuf = vbuf;
+ new_frame->index = vbuf->vb2_buf.index;
+ new_frame->intra_only = param->p.intra_only;
+ new_frame->show = param->p.show_frame;
+ new_frame->type = param->p.frame_type;
+ new_frame->width = vp9->width;
+ new_frame->height = vp9->height;
+ list_add_tail(&new_frame->list, &vp9->ref_frames_list);
+ vp9->frames_num++;
+
+ return new_frame;
+}
+
+static void codec_vp9_show_existing_frame(struct codec_vp9 *vp9)
+{
+ union rpm_param *param = &vp9->rpm_param;
+
+ if (!param->p.show_existing_frame)
+ return;
+
+ pr_debug("showing frame %u\n", param->p.frame_to_show_idx);
+}
+
+static void codec_vp9_rm_noshow_frame(struct amvdec_session *sess)
+{
+ struct codec_vp9 *vp9 = sess->priv;
+ struct vp9_frame *tmp;
+
+ list_for_each_entry(tmp, &vp9->ref_frames_list, list) {
+ if (tmp->show)
+ continue;
+
+ pr_debug("rm noshow: %u\n", tmp->index);
+ v4l2_m2m_buf_queue(sess->m2m_ctx, tmp->vbuf);
+ list_del(&tmp->list);
+ kfree(tmp);
+ vp9->frames_num--;
+ return;
+ }
+}
+
+static void codec_vp9_process_frame(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_vp9 *vp9 = sess->priv;
+ union rpm_param *param = &vp9->rpm_param;
+ int intra_only;
+
+ if (!param->p.show_frame)
+ codec_vp9_rm_noshow_frame(sess);
+
+ vp9->cur_frame = codec_vp9_get_new_frame(sess);
+ if (!vp9->cur_frame)
+ return;
+
+ pr_debug("frame %d: type: %08X; show_exist: %u; show: %u, intra_only: %u\n",
+ vp9->cur_frame->index,
+ param->p.frame_type, param->p.show_existing_frame,
+ param->p.show_frame, param->p.intra_only);
+
+ if (param->p.frame_type != KEY_FRAME)
+ codec_vp9_sync_ref(vp9);
+ codec_vp9_update_next_ref(vp9);
+ codec_vp9_show_existing_frame(vp9);
+
+ if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap,
+ vp9->is_10bit))
+ codec_hevc_fill_mmu_map(sess, &vp9->common,
+ &vp9->cur_frame->vbuf->vb2_buf);
+
+ intra_only = param->p.show_frame ? 0 : param->p.intra_only;
+
+ /* clear mpred (for keyframe only) */
+ if (param->p.frame_type != KEY_FRAME && !intra_only) {
+ codec_vp9_set_mc(sess, vp9);
+ codec_vp9_set_mpred_mv(core, vp9);
+ } else {
+ amvdec_clear_dos_bits(core, HEVC_MPRED_CTRL4, BIT(6));
+ }
+
+ amvdec_write_dos(core, HEVC_PARSER_PICTURE_SIZE,
+ (vp9->height << 16) | vp9->width);
+ codec_vp9_set_mcrcc(sess);
+ codec_vp9_set_sao(sess, &vp9->cur_frame->vbuf->vb2_buf);
+
+ vp9_loop_filter_frame_init(core, &vp9->seg_4lf,
+ &vp9->lfi, &vp9->lf,
+ vp9->default_filt_lvl);
+
+ /* ask uCode to start decoding */
+ amvdec_write_dos(core, VP9_DEC_STATUS_REG, VP9_10B_DECODE_SLICE);
+}
+
+static void codec_vp9_process_lf(struct codec_vp9 *vp9)
+{
+ union rpm_param *param = &vp9->rpm_param;
+ int i;
+
+ vp9->lf.mode_ref_delta_enabled = param->p.mode_ref_delta_enabled;
+ vp9->lf.sharpness_level = param->p.sharpness_level;
+ vp9->default_filt_lvl = param->p.filter_level;
+ vp9->seg_4lf.enabled = param->p.seg_enabled;
+ vp9->seg_4lf.abs_delta = param->p.seg_abs_delta;
+
+ for (i = 0; i < 4; i++)
+ vp9->lf.ref_deltas[i] = param->p.ref_deltas[i];
+
+ for (i = 0; i < 2; i++)
+ vp9->lf.mode_deltas[i] = param->p.mode_deltas[i];
+
+ for (i = 0; i < MAX_SEGMENTS; i++)
+ vp9->seg_4lf.feature_mask[i] =
+ (param->p.seg_lf_info[i] & 0x8000) ?
+ (1 << SEG_LVL_ALT_LF) : 0;
+
+ for (i = 0; i < MAX_SEGMENTS; i++)
+ vp9->seg_4lf.feature_data[i][SEG_LVL_ALT_LF] =
+ (param->p.seg_lf_info[i] & 0x100) ?
+ -(param->p.seg_lf_info[i] & 0x3f)
+ : (param->p.seg_lf_info[i] & 0x3f);
+}
+
+static void codec_vp9_resume(struct amvdec_session *sess)
+{
+ struct codec_vp9 *vp9 = sess->priv;
+
+ mutex_lock(&vp9->lock);
+ if (codec_hevc_setup_buffers(sess, &vp9->common, vp9->is_10bit)) {
+ mutex_unlock(&vp9->lock);
+ amvdec_abort(sess);
+ return;
+ }
+
+ codec_vp9_setup_workspace(sess, vp9);
+ codec_hevc_setup_decode_head(sess, vp9->is_10bit);
+ codec_vp9_process_lf(vp9);
+ codec_vp9_process_frame(sess);
+
+ mutex_unlock(&vp9->lock);
+}
+
+/*
+ * The RPM section within the workspace contains
+ * many information regarding the parsed bitstream
+ */
+static void codec_vp9_fetch_rpm(struct amvdec_session *sess)
+{
+ struct codec_vp9 *vp9 = sess->priv;
+ u16 *rpm_vaddr = vp9->workspace_vaddr + RPM_OFFSET;
+ int i, j;
+
+ for (i = 0; i < RPM_BUF_SIZE; i += 4)
+ for (j = 0; j < 4; j++)
+ vp9->rpm_param.l.data[i + j] = rpm_vaddr[i + 3 - j];
+}
+
+static int codec_vp9_process_rpm(struct codec_vp9 *vp9)
+{
+ union rpm_param *param = &vp9->rpm_param;
+ int src_changed = 0;
+ int is_10bit = 0;
+ int pic_width_64 = ALIGN(param->p.width, 64);
+ int pic_height_32 = ALIGN(param->p.height, 32);
+ int pic_width_lcu = (pic_width_64 % LCU_SIZE) ?
+ pic_width_64 / LCU_SIZE + 1
+ : pic_width_64 / LCU_SIZE;
+ int pic_height_lcu = (pic_height_32 % LCU_SIZE) ?
+ pic_height_32 / LCU_SIZE + 1
+ : pic_height_32 / LCU_SIZE;
+ vp9->lcu_total = pic_width_lcu * pic_height_lcu;
+
+ if (param->p.bit_depth == 10)
+ is_10bit = 1;
+
+ if (vp9->width != param->p.width || vp9->height != param->p.height ||
+ vp9->is_10bit != is_10bit)
+ src_changed = 1;
+
+ vp9->width = param->p.width;
+ vp9->height = param->p.height;
+ vp9->is_10bit = is_10bit;
+
+ pr_debug("width: %u; height: %u; is_10bit: %d; src_changed: %d\n",
+ vp9->width, vp9->height, is_10bit, src_changed);
+
+ return src_changed;
+}
+
+static bool codec_vp9_is_ref(struct codec_vp9 *vp9, struct vp9_frame *frame)
+{
+ int i;
+
+ for (i = 0; i < REF_FRAMES; ++i)
+ if (vp9->ref_frame_map[i] == frame->index)
+ return true;
+
+ return false;
+}
+
+static void codec_vp9_show_frame(struct amvdec_session *sess)
+{
+ struct codec_vp9 *vp9 = sess->priv;
+ struct vp9_frame *tmp, *n;
+
+ list_for_each_entry_safe(tmp, n, &vp9->ref_frames_list, list) {
+ if (!tmp->show || tmp == vp9->cur_frame)
+ continue;
+
+ if (!tmp->done) {
+ pr_debug("Doning %u\n", tmp->index);
+ amvdec_dst_buf_done(sess, tmp->vbuf, V4L2_FIELD_NONE);
+ tmp->done = 1;
+ vp9->frames_num--;
+ }
+
+ if (codec_vp9_is_ref(vp9, tmp) || tmp == vp9->prev_frame)
+ continue;
+
+ pr_debug("deleting %d\n", tmp->index);
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+}
+
+static void vp9_tree_merge_probs(unsigned int *prev_prob,
+ unsigned int *cur_prob,
+ int coef_node_start, int tree_left,
+ int tree_right,
+ int tree_i, int node)
+{
+ int prob_32, prob_res, prob_shift;
+ int pre_prob, new_prob;
+ int den, m_count, get_prob, factor;
+
+ prob_32 = prev_prob[coef_node_start / 4 * 2];
+ prob_res = coef_node_start & 3;
+ prob_shift = prob_res * 8;
+ pre_prob = (prob_32 >> prob_shift) & 0xff;
+
+ den = tree_left + tree_right;
+
+ if (den == 0) {
+ new_prob = pre_prob;
+ } else {
+ m_count = den < MODE_MV_COUNT_SAT ? den : MODE_MV_COUNT_SAT;
+ get_prob =
+ clip_prob(div_r32(((int64_t)tree_left * 256 +
+ (den >> 1)),
+ den));
+
+ /* weighted_prob */
+ factor = count_to_update_factor[m_count];
+ new_prob = round_power_of_two(pre_prob * (256 - factor) +
+ get_prob * factor, 8);
+ }
+
+ cur_prob[coef_node_start / 4 * 2] =
+ (cur_prob[coef_node_start / 4 * 2] & (~(0xff << prob_shift))) |
+ (new_prob << prob_shift);
+}
+
+static void adapt_coef_probs_cxt(unsigned int *prev_prob,
+ unsigned int *cur_prob,
+ unsigned int *count,
+ int update_factor,
+ int cxt_num,
+ int coef_cxt_start,
+ int coef_count_cxt_start)
+{
+ int prob_32, prob_res, prob_shift;
+ int pre_prob, new_prob;
+ int num, den, m_count, get_prob, factor;
+ int node, coef_node_start;
+ int count_sat = 24;
+ int cxt;
+
+ for (cxt = 0; cxt < cxt_num; cxt++) {
+ const int n0 = count[coef_count_cxt_start];
+ const int n1 = count[coef_count_cxt_start + 1];
+ const int n2 = count[coef_count_cxt_start + 2];
+ const int neob = count[coef_count_cxt_start + 3];
+ const int nneob = count[coef_count_cxt_start + 4];
+ const unsigned int branch_ct[3][2] = {
+ { neob, nneob },
+ { n0, n1 + n2 },
+ { n1, n2 }
+ };
+
+ coef_node_start = coef_cxt_start;
+ for (node = 0 ; node < 3 ; node++) {
+ prob_32 = prev_prob[coef_node_start / 4 * 2];
+ prob_res = coef_node_start & 3;
+ prob_shift = prob_res * 8;
+ pre_prob = (prob_32 >> prob_shift) & 0xff;
+
+ /* get binary prob */
+ num = branch_ct[node][0];
+ den = branch_ct[node][0] + branch_ct[node][1];
+ m_count = den < count_sat ? den : count_sat;
+
+ get_prob = (den == 0) ?
+ 128u :
+ clip_prob(div_r32(((int64_t)num * 256 +
+ (den >> 1)), den));
+
+ factor = update_factor * m_count / count_sat;
+ new_prob =
+ round_power_of_two(pre_prob * (256 - factor) +
+ get_prob * factor, 8);
+
+ cur_prob[coef_node_start / 4 * 2] =
+ (cur_prob[coef_node_start / 4 * 2] &
+ (~(0xff << prob_shift))) |
+ (new_prob << prob_shift);
+
+ coef_node_start += 1;
+ }
+
+ coef_cxt_start = coef_cxt_start + 3;
+ coef_count_cxt_start = coef_count_cxt_start + 5;
+ }
+}
+
+static void adapt_coef_probs(int prev_kf, int cur_kf, int pre_fc,
+ unsigned int *prev_prob, unsigned int *cur_prob,
+ unsigned int *count)
+{
+ int tx_size, coef_tx_size_start, coef_count_tx_size_start;
+ int plane, coef_plane_start, coef_count_plane_start;
+ int type, coef_type_start, coef_count_type_start;
+ int band, coef_band_start, coef_count_band_start;
+ int cxt_num;
+ int coef_cxt_start, coef_count_cxt_start;
+ int node, coef_node_start, coef_count_node_start;
+
+ int tree_i, tree_left, tree_right;
+ int mvd_i;
+
+ int update_factor = cur_kf ? 112 : (prev_kf ? 128 : 112);
+
+ int prob_32;
+ int prob_res;
+ int prob_shift;
+ int pre_prob;
+
+ int den;
+ int get_prob;
+ int m_count;
+ int factor;
+
+ int new_prob;
+
+ for (tx_size = 0 ; tx_size < 4 ; tx_size++) {
+ coef_tx_size_start = VP9_COEF_START +
+ tx_size * 4 * VP9_COEF_SIZE_ONE_SET;
+ coef_count_tx_size_start = VP9_COEF_COUNT_START +
+ tx_size * 4 * VP9_COEF_COUNT_SIZE_ONE_SET;
+ coef_plane_start = coef_tx_size_start;
+ coef_count_plane_start = coef_count_tx_size_start;
+
+ for (plane = 0 ; plane < 2 ; plane++) {
+ coef_type_start = coef_plane_start;
+ coef_count_type_start = coef_count_plane_start;
+
+ for (type = 0 ; type < 2 ; type++) {
+ coef_band_start = coef_type_start;
+ coef_count_band_start = coef_count_type_start;
+
+ for (band = 0 ; band < 6 ; band++) {
+ if (band == 0)
+ cxt_num = 3;
+ else
+ cxt_num = 6;
+ coef_cxt_start = coef_band_start;
+ coef_count_cxt_start =
+ coef_count_band_start;
+
+ adapt_coef_probs_cxt(prev_prob,
+ cur_prob,
+ count,
+ update_factor,
+ cxt_num,
+ coef_cxt_start,
+ coef_count_cxt_start);
+
+ if (band == 0) {
+ coef_band_start += 10;
+ coef_count_band_start += 15;
+ } else {
+ coef_band_start += 18;
+ coef_count_band_start += 30;
+ }
+ }
+ coef_type_start += VP9_COEF_SIZE_ONE_SET;
+ coef_count_type_start +=
+ VP9_COEF_COUNT_SIZE_ONE_SET;
+ }
+
+ coef_plane_start += 2 * VP9_COEF_SIZE_ONE_SET;
+ coef_count_plane_start +=
+ 2 * VP9_COEF_COUNT_SIZE_ONE_SET;
+ }
+ }
+
+ if (cur_kf == 0) {
+ /* mode_mv_merge_probs - merge_intra_inter_prob */
+ for (coef_count_node_start = VP9_INTRA_INTER_COUNT_START;
+ coef_count_node_start < (VP9_MV_CLASS0_HP_1_COUNT_START +
+ VP9_MV_CLASS0_HP_1_COUNT_SIZE);
+ coef_count_node_start += 2) {
+ if (coef_count_node_start ==
+ VP9_INTRA_INTER_COUNT_START)
+ coef_node_start = VP9_INTRA_INTER_START;
+ else if (coef_count_node_start ==
+ VP9_COMP_INTER_COUNT_START)
+ coef_node_start = VP9_COMP_INTER_START;
+ else if (coef_count_node_start ==
+ VP9_TX_MODE_COUNT_START)
+ coef_node_start = VP9_TX_MODE_START;
+ else if (coef_count_node_start ==
+ VP9_SKIP_COUNT_START)
+ coef_node_start = VP9_SKIP_START;
+ else if (coef_count_node_start ==
+ VP9_MV_SIGN_0_COUNT_START)
+ coef_node_start = VP9_MV_SIGN_0_START;
+ else if (coef_count_node_start ==
+ VP9_MV_SIGN_1_COUNT_START)
+ coef_node_start = VP9_MV_SIGN_1_START;
+ else if (coef_count_node_start ==
+ VP9_MV_BITS_0_COUNT_START)
+ coef_node_start = VP9_MV_BITS_0_START;
+ else if (coef_count_node_start ==
+ VP9_MV_BITS_1_COUNT_START)
+ coef_node_start = VP9_MV_BITS_1_START;
+ else if (coef_count_node_start ==
+ VP9_MV_CLASS0_HP_0_COUNT_START)
+ coef_node_start = VP9_MV_CLASS0_HP_0_START;
+
+ den = count[coef_count_node_start] +
+ count[coef_count_node_start + 1];
+
+ prob_32 = prev_prob[coef_node_start / 4 * 2];
+ prob_res = coef_node_start & 3;
+ prob_shift = prob_res * 8;
+ pre_prob = (prob_32 >> prob_shift) & 0xff;
+
+ if (den == 0) {
+ new_prob = pre_prob;
+ } else {
+ m_count = den < MODE_MV_COUNT_SAT ?
+ den : MODE_MV_COUNT_SAT;
+ get_prob =
+ clip_prob(div_r32(((int64_t)
+ count[coef_count_node_start] * 256 +
+ (den >> 1)),
+ den));
+
+ /* weighted prob */
+ factor = count_to_update_factor[m_count];
+ new_prob =
+ round_power_of_two(pre_prob *
+ (256 - factor) +
+ get_prob * factor,
+ 8);
+ }
+
+ cur_prob[coef_node_start / 4 * 2] =
+ (cur_prob[coef_node_start / 4 * 2] &
+ (~(0xff << prob_shift))) |
+ (new_prob << prob_shift);
+
+ coef_node_start = coef_node_start + 1;
+ }
+
+ coef_node_start = VP9_INTER_MODE_START;
+ coef_count_node_start = VP9_INTER_MODE_COUNT_START;
+ for (tree_i = 0 ; tree_i < 7 ; tree_i++) {
+ for (node = 0 ; node < 3 ; node++) {
+ unsigned int start = coef_count_node_start;
+
+ switch (node) {
+ case 2:
+ tree_left = count[start + 1];
+ tree_right = count[start + 3];
+ break;
+ case 1:
+ tree_left = count[start + 0];
+ tree_right = count[start + 1] +
+ count[start + 3];
+ break;
+ default:
+ tree_left = count[start + 2];
+ tree_right = count[start + 0] +
+ count[start + 1] +
+ count[start + 3];
+ break;
+ }
+
+ vp9_tree_merge_probs(prev_prob, cur_prob,
+ coef_node_start,
+ tree_left, tree_right,
+ tree_i, node);
+
+ coef_node_start = coef_node_start + 1;
+ }
+
+ coef_count_node_start = coef_count_node_start + 4;
+ }
+
+ coef_node_start = VP9_IF_Y_MODE_START;
+ coef_count_node_start = VP9_IF_Y_MODE_COUNT_START;
+ for (tree_i = 0 ; tree_i < 14 ; tree_i++) {
+ for (node = 0 ; node < 9 ; node++) {
+ unsigned int start = coef_count_node_start;
+
+ switch (node) {
+ case 8:
+ tree_left =
+ count[start + D153_PRED];
+ tree_right =
+ count[start + D207_PRED];
+ break;
+ case 7:
+ tree_left =
+ count[start + D63_PRED];
+ tree_right =
+ count[start + D207_PRED] +
+ count[start + D153_PRED];
+ break;
+ case 6:
+ tree_left =
+ count[start + D45_PRED];
+ tree_right =
+ count[start + D207_PRED] +
+ count[start + D153_PRED] +
+ count[start + D63_PRED];
+ break;
+ case 5:
+ tree_left =
+ count[start + D135_PRED];
+ tree_right =
+ count[start + D117_PRED];
+ break;
+ case 4:
+ tree_left =
+ count[start + H_PRED];
+ tree_right =
+ count[start + D117_PRED] +
+ count[start + D135_PRED];
+ break;
+ case 3:
+ tree_left =
+ count[start + H_PRED] +
+ count[start + D117_PRED] +
+ count[start + D135_PRED];
+ tree_right =
+ count[start + D45_PRED] +
+ count[start + D207_PRED] +
+ count[start + D153_PRED] +
+ count[start + D63_PRED];
+ break;
+ case 2:
+ tree_left =
+ count[start + V_PRED];
+ tree_right =
+ count[start + H_PRED] +
+ count[start + D117_PRED] +
+ count[start + D135_PRED] +
+ count[start + D45_PRED] +
+ count[start + D207_PRED] +
+ count[start + D153_PRED] +
+ count[start + D63_PRED];
+ break;
+ case 1:
+ tree_left =
+ count[start + TM_PRED];
+ tree_right =
+ count[start + V_PRED] +
+ count[start + H_PRED] +
+ count[start + D117_PRED] +
+ count[start + D135_PRED] +
+ count[start + D45_PRED] +
+ count[start + D207_PRED] +
+ count[start + D153_PRED] +
+ count[start + D63_PRED];
+ break;
+ default:
+ tree_left =
+ count[start + DC_PRED];
+ tree_right =
+ count[start + TM_PRED] +
+ count[start + V_PRED] +
+ count[start + H_PRED] +
+ count[start + D117_PRED] +
+ count[start + D135_PRED] +
+ count[start + D45_PRED] +
+ count[start + D207_PRED] +
+ count[start + D153_PRED] +
+ count[start + D63_PRED];
+ break;
+ }
+
+ vp9_tree_merge_probs(prev_prob, cur_prob,
+ coef_node_start,
+ tree_left, tree_right,
+ tree_i, node);
+
+ coef_node_start = coef_node_start + 1;
+ }
+ coef_count_node_start = coef_count_node_start + 10;
+ }
+
+ coef_node_start = VP9_PARTITION_P_START;
+ coef_count_node_start = VP9_PARTITION_P_COUNT_START;
+ for (tree_i = 0 ; tree_i < 16 ; tree_i++) {
+ for (node = 0 ; node < 3 ; node++) {
+ unsigned int start = coef_count_node_start;
+
+ switch (node) {
+ case 2:
+ tree_left = count[start + 2];
+ tree_right = count[start + 3];
+ break;
+ case 1:
+ tree_left = count[start + 1];
+ tree_right = count[start + 2] +
+ count[start + 3];
+ break;
+ default:
+ tree_left = count[start + 0];
+ tree_right = count[start + 1] +
+ count[start + 2] +
+ count[start + 3];
+ break;
+ }
+
+ vp9_tree_merge_probs(prev_prob, cur_prob,
+ coef_node_start,
+ tree_left, tree_right,
+ tree_i, node);
+
+ coef_node_start = coef_node_start + 1;
+ }
+
+ coef_count_node_start = coef_count_node_start + 4;
+ }
+
+ coef_node_start = VP9_INTERP_START;
+ coef_count_node_start = VP9_INTERP_COUNT_START;
+ for (tree_i = 0 ; tree_i < 4 ; tree_i++) {
+ for (node = 0 ; node < 2 ; node++) {
+ unsigned int start = coef_count_node_start;
+
+ switch (node) {
+ case 1:
+ tree_left = count[start + 1];
+ tree_right = count[start + 2];
+ break;
+ default:
+ tree_left = count[start + 0];
+ tree_right = count[start + 1] +
+ count[start + 2];
+ break;
+ }
+
+ vp9_tree_merge_probs(prev_prob, cur_prob,
+ coef_node_start,
+ tree_left, tree_right,
+ tree_i, node);
+
+ coef_node_start = coef_node_start + 1;
+ }
+ coef_count_node_start = coef_count_node_start + 3;
+ }
+
+ coef_node_start = VP9_MV_JOINTS_START;
+ coef_count_node_start = VP9_MV_JOINTS_COUNT_START;
+ for (tree_i = 0 ; tree_i < 1 ; tree_i++) {
+ for (node = 0 ; node < 3 ; node++) {
+ unsigned int start = coef_count_node_start;
+
+ switch (node) {
+ case 2:
+ tree_left = count[start + 2];
+ tree_right = count[start + 3];
+ break;
+ case 1:
+ tree_left = count[start + 1];
+ tree_right = count[start + 2] +
+ count[start + 3];
+ break;
+ default:
+ tree_left = count[start + 0];
+ tree_right = count[start + 1] +
+ count[start + 2] +
+ count[start + 3];
+ break;
+ }
+
+ vp9_tree_merge_probs(prev_prob, cur_prob,
+ coef_node_start,
+ tree_left, tree_right,
+ tree_i, node);
+
+ coef_node_start = coef_node_start + 1;
+ }
+ coef_count_node_start = coef_count_node_start + 4;
+ }
+
+ for (mvd_i = 0 ; mvd_i < 2 ; mvd_i++) {
+ coef_node_start = mvd_i ? VP9_MV_CLASSES_1_START :
+ VP9_MV_CLASSES_0_START;
+ coef_count_node_start = mvd_i ?
+ VP9_MV_CLASSES_1_COUNT_START :
+ VP9_MV_CLASSES_0_COUNT_START;
+ tree_i = 0;
+ for (node = 0; node < 10; node++) {
+ unsigned int start = coef_count_node_start;
+
+ switch (node) {
+ case 9:
+ tree_left = count[start + 9];
+ tree_right = count[start + 10];
+ break;
+ case 8:
+ tree_left = count[start + 7];
+ tree_right = count[start + 8];
+ break;
+ case 7:
+ tree_left = count[start + 7] +
+ count[start + 8];
+ tree_right = count[start + 9] +
+ count[start + 10];
+ break;
+ case 6:
+ tree_left = count[start + 6];
+ tree_right = count[start + 7] +
+ count[start + 8] +
+ count[start + 9] +
+ count[start + 10];
+ break;
+ case 5:
+ tree_left = count[start + 4];
+ tree_right = count[start + 5];
+ break;
+ case 4:
+ tree_left = count[start + 4] +
+ count[start + 5];
+ tree_right = count[start + 6] +
+ count[start + 7] +
+ count[start + 8] +
+ count[start + 9] +
+ count[start + 10];
+ break;
+ case 3:
+ tree_left = count[start + 2];
+ tree_right = count[start + 3];
+ break;
+ case 2:
+ tree_left = count[start + 2] +
+ count[start + 3];
+ tree_right = count[start + 4] +
+ count[start + 5] +
+ count[start + 6] +
+ count[start + 7] +
+ count[start + 8] +
+ count[start + 9] +
+ count[start + 10];
+ break;
+ case 1:
+ tree_left = count[start + 1];
+ tree_right = count[start + 2] +
+ count[start + 3] +
+ count[start + 4] +
+ count[start + 5] +
+ count[start + 6] +
+ count[start + 7] +
+ count[start + 8] +
+ count[start + 9] +
+ count[start + 10];
+ break;
+ default:
+ tree_left = count[start + 0];
+ tree_right = count[start + 1] +
+ count[start + 2] +
+ count[start + 3] +
+ count[start + 4] +
+ count[start + 5] +
+ count[start + 6] +
+ count[start + 7] +
+ count[start + 8] +
+ count[start + 9] +
+ count[start + 10];
+ break;
+ }
+
+ vp9_tree_merge_probs(prev_prob, cur_prob,
+ coef_node_start,
+ tree_left, tree_right,
+ tree_i, node);
+
+ coef_node_start = coef_node_start + 1;
+ }
+
+ coef_node_start = mvd_i ? VP9_MV_CLASS0_1_START :
+ VP9_MV_CLASS0_0_START;
+ coef_count_node_start = mvd_i ?
+ VP9_MV_CLASS0_1_COUNT_START :
+ VP9_MV_CLASS0_0_COUNT_START;
+ tree_i = 0;
+ node = 0;
+ tree_left = count[coef_count_node_start + 0];
+ tree_right = count[coef_count_node_start + 1];
+
+ vp9_tree_merge_probs(prev_prob, cur_prob,
+ coef_node_start,
+ tree_left, tree_right,
+ tree_i, node);
+ coef_node_start = mvd_i ? VP9_MV_CLASS0_FP_1_START :
+ VP9_MV_CLASS0_FP_0_START;
+ coef_count_node_start = mvd_i ?
+ VP9_MV_CLASS0_FP_1_COUNT_START :
+ VP9_MV_CLASS0_FP_0_COUNT_START;
+
+ for (tree_i = 0; tree_i < 3; tree_i++) {
+ for (node = 0; node < 3; node++) {
+ unsigned int start =
+ coef_count_node_start;
+ switch (node) {
+ case 2:
+ tree_left = count[start + 2];
+ tree_right = count[start + 3];
+ break;
+ case 1:
+ tree_left = count[start + 1];
+ tree_right = count[start + 2] +
+ count[start + 3];
+ break;
+ default:
+ tree_left = count[start + 0];
+ tree_right = count[start + 1] +
+ count[start + 2] +
+ count[start + 3];
+ break;
+ }
+
+ vp9_tree_merge_probs(prev_prob,
+ cur_prob,
+ coef_node_start,
+ tree_left,
+ tree_right,
+ tree_i, node);
+
+ coef_node_start = coef_node_start + 1;
+ }
+ coef_count_node_start =
+ coef_count_node_start + 4;
+ }
+ }
+ }
+}
+
+static irqreturn_t codec_vp9_threaded_isr(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_vp9 *vp9 = sess->priv;
+ u32 dec_status = amvdec_read_dos(core, VP9_DEC_STATUS_REG);
+ u32 prob_status = amvdec_read_dos(core, VP9_ADAPT_PROB_REG);
+ int i;
+
+ if (!vp9)
+ return IRQ_HANDLED;
+
+ mutex_lock(&vp9->lock);
+ if (dec_status != VP9_HEAD_PARSER_DONE) {
+ dev_err(core->dev_dec, "Unrecognized dec_status: %08X\n",
+ dec_status);
+ amvdec_abort(sess);
+ goto unlock;
+ }
+
+ pr_debug("ISR: %08X;%08X\n", dec_status, prob_status);
+ sess->keyframe_found = 1;
+
+ if ((prob_status & 0xff) == 0xfd && vp9->cur_frame) {
+ /* VP9_REQ_ADAPT_PROB */
+ u8 *prev_prob_b = ((u8 *)vp9->workspace_vaddr +
+ PROB_OFFSET) +
+ ((prob_status >> 8) * 0x1000);
+ u8 *cur_prob_b = ((u8 *)vp9->workspace_vaddr +
+ PROB_OFFSET) + 0x4000;
+ u8 *count_b = (u8 *)vp9->workspace_vaddr +
+ COUNT_OFFSET;
+ int last_frame_type = vp9->prev_frame ?
+ vp9->prev_frame->type :
+ KEY_FRAME;
+
+ adapt_coef_probs(last_frame_type == KEY_FRAME,
+ vp9->cur_frame->type == KEY_FRAME ? 1 : 0,
+ prob_status >> 8,
+ (unsigned int *)prev_prob_b,
+ (unsigned int *)cur_prob_b,
+ (unsigned int *)count_b);
+
+ memcpy(prev_prob_b, cur_prob_b, ADAPT_PROB_SIZE);
+ amvdec_write_dos(core, VP9_ADAPT_PROB_REG, 0);
+ }
+
+ /* Invalidate first 3 refs */
+ for (i = 0; i < REFS_PER_FRAME ; ++i)
+ vp9->frame_refs[i] = NULL;
+
+ vp9->prev_frame = vp9->cur_frame;
+ codec_vp9_update_ref(vp9);
+
+ codec_vp9_fetch_rpm(sess);
+ if (codec_vp9_process_rpm(vp9)) {
+ amvdec_src_change(sess, vp9->width, vp9->height, 16);
+
+ /* No frame is actually processed */
+ vp9->cur_frame = NULL;
+
+ /* Show the remaining frame */
+ codec_vp9_show_frame(sess);
+
+ /* FIXME: Save refs for resized frame */
+ if (vp9->frames_num)
+ codec_vp9_save_refs(vp9);
+
+ goto unlock;
+ }
+
+ codec_vp9_process_lf(vp9);
+ codec_vp9_process_frame(sess);
+ codec_vp9_show_frame(sess);
+
+unlock:
+ mutex_unlock(&vp9->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t codec_vp9_isr(struct amvdec_session *sess)
+{
+ return IRQ_WAKE_THREAD;
+}
+
+struct amvdec_codec_ops codec_vp9_ops = {
+ .start = codec_vp9_start,
+ .stop = codec_vp9_stop,
+ .isr = codec_vp9_isr,
+ .threaded_isr = codec_vp9_threaded_isr,
+ .num_pending_bufs = codec_vp9_num_pending_bufs,
+ .drain = codec_vp9_flush_output,
+ .resume = codec_vp9_resume,
+};
diff --git a/drivers/staging/media/meson/vdec/codec_vp9.h b/drivers/staging/media/meson/vdec/codec_vp9.h
new file mode 100644
index 000000000..62db65a2b
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_vp9.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Maxime Jourdan <maxi.jourdan@wanadoo.fr>
+ */
+
+#ifndef __MESON_VDEC_CODEC_VP9_H_
+#define __MESON_VDEC_CODEC_VP9_H_
+
+#include "vdec.h"
+
+extern struct amvdec_codec_ops codec_vp9_ops;
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/dos_regs.h b/drivers/staging/media/meson/vdec/dos_regs.h
new file mode 100644
index 000000000..abd810542
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/dos_regs.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_DOS_REGS_H_
+#define __MESON_VDEC_DOS_REGS_H_
+
+/* DOS registers */
+#define VDEC_ASSIST_AMR1_INT8 0x00b4
+
+#define ASSIST_MBOX1_CLR_REG 0x01d4
+#define ASSIST_MBOX1_MASK 0x01d8
+
+#define MPSR 0x0c04
+#define MCPU_INTR_MSK 0x0c10
+#define CPSR 0x0c84
+
+#define IMEM_DMA_CTRL 0x0d00
+#define IMEM_DMA_ADR 0x0d04
+#define IMEM_DMA_COUNT 0x0d08
+#define LMEM_DMA_CTRL 0x0d40
+
+#define MC_STATUS0 0x2424
+#define MC_CTRL1 0x242c
+
+#define PSCALE_RST 0x2440
+#define PSCALE_CTRL 0x2444
+#define PSCALE_BMEM_ADDR 0x247c
+#define PSCALE_BMEM_DAT 0x2480
+
+#define DBLK_CTRL 0x2544
+#define DBLK_STATUS 0x254c
+
+#define GCLK_EN 0x260c
+#define MDEC_PIC_DC_CTRL 0x2638
+#define MDEC_PIC_DC_STATUS 0x263c
+#define ANC0_CANVAS_ADDR 0x2640
+#define MDEC_PIC_DC_THRESH 0x26e0
+
+/* Firmware interface registers */
+#define AV_SCRATCH_0 0x2700
+#define AV_SCRATCH_1 0x2704
+#define AV_SCRATCH_2 0x2708
+#define AV_SCRATCH_3 0x270c
+#define AV_SCRATCH_4 0x2710
+#define AV_SCRATCH_5 0x2714
+#define AV_SCRATCH_6 0x2718
+#define AV_SCRATCH_7 0x271c
+#define AV_SCRATCH_8 0x2720
+#define AV_SCRATCH_9 0x2724
+#define AV_SCRATCH_A 0x2728
+#define AV_SCRATCH_B 0x272c
+#define AV_SCRATCH_C 0x2730
+#define AV_SCRATCH_D 0x2734
+#define AV_SCRATCH_E 0x2738
+#define AV_SCRATCH_F 0x273c
+#define AV_SCRATCH_G 0x2740
+#define AV_SCRATCH_H 0x2744
+#define AV_SCRATCH_I 0x2748
+#define AV_SCRATCH_J 0x274c
+#define AV_SCRATCH_K 0x2750
+#define AV_SCRATCH_L 0x2754
+
+#define MPEG1_2_REG 0x3004
+#define PIC_HEAD_INFO 0x300c
+#define POWER_CTL_VLD 0x3020
+#define M4_CONTROL_REG 0x30a4
+
+/* Stream Buffer (stbuf) regs */
+#define VLD_MEM_VIFIFO_START_PTR 0x3100
+#define VLD_MEM_VIFIFO_CURR_PTR 0x3104
+#define VLD_MEM_VIFIFO_END_PTR 0x3108
+#define VLD_MEM_VIFIFO_CONTROL 0x3110
+ #define MEM_FIFO_CNT_BIT 16
+ #define MEM_FILL_ON_LEVEL BIT(10)
+ #define MEM_CTRL_EMPTY_EN BIT(2)
+ #define MEM_CTRL_FILL_EN BIT(1)
+#define VLD_MEM_VIFIFO_WP 0x3114
+#define VLD_MEM_VIFIFO_RP 0x3118
+#define VLD_MEM_VIFIFO_LEVEL 0x311c
+#define VLD_MEM_VIFIFO_BUF_CNTL 0x3120
+ #define MEM_BUFCTRL_MANUAL BIT(1)
+#define VLD_MEM_VIFIFO_WRAP_COUNT 0x3144
+
+#define DCAC_DMA_CTRL 0x3848
+
+#define DOS_SW_RESET0 0xfc00
+#define DOS_GCLK_EN0 0xfc04
+#define DOS_GEN_CTRL0 0xfc08
+#define DOS_MEM_PD_VDEC 0xfcc0
+#define DOS_MEM_PD_HEVC 0xfccc
+#define DOS_SW_RESET3 0xfcd0
+#define DOS_GCLK_EN3 0xfcd4
+#define DOS_VDEC_MCRCC_STALL_CTRL 0xfd00
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/esparser.c b/drivers/staging/media/meson/vdec/esparser.c
new file mode 100644
index 000000000..86ccc8937
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/esparser.c
@@ -0,0 +1,459 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ *
+ * The Elementary Stream Parser is a HW bitstream parser.
+ * It reads bitstream buffers and feeds them to the VIFIFO
+ */
+
+#include <linux/init.h>
+#include <linux/ioctl.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/reset.h>
+#include <linux/interrupt.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/v4l2-mem2mem.h>
+
+#include "dos_regs.h"
+#include "esparser.h"
+#include "vdec_helpers.h"
+
+/* PARSER REGS (CBUS) */
+#define PARSER_CONTROL 0x00
+ #define ES_PACK_SIZE_BIT 8
+ #define ES_WRITE BIT(5)
+ #define ES_SEARCH BIT(1)
+ #define ES_PARSER_START BIT(0)
+#define PARSER_FETCH_ADDR 0x4
+#define PARSER_FETCH_CMD 0x8
+#define PARSER_CONFIG 0x14
+ #define PS_CFG_MAX_FETCH_CYCLE_BIT 0
+ #define PS_CFG_STARTCODE_WID_24_BIT 10
+ #define PS_CFG_MAX_ES_WR_CYCLE_BIT 12
+ #define PS_CFG_PFIFO_EMPTY_CNT_BIT 16
+#define PFIFO_WR_PTR 0x18
+#define PFIFO_RD_PTR 0x1c
+#define PARSER_SEARCH_PATTERN 0x24
+ #define ES_START_CODE_PATTERN 0x00000100
+#define PARSER_SEARCH_MASK 0x28
+ #define ES_START_CODE_MASK 0xffffff00
+ #define FETCH_ENDIAN_BIT 27
+#define PARSER_INT_ENABLE 0x2c
+ #define PARSER_INT_HOST_EN_BIT 8
+#define PARSER_INT_STATUS 0x30
+ #define PARSER_INTSTAT_SC_FOUND 1
+#define PARSER_ES_CONTROL 0x5c
+#define PARSER_VIDEO_START_PTR 0x80
+#define PARSER_VIDEO_END_PTR 0x84
+#define PARSER_VIDEO_WP 0x88
+#define PARSER_VIDEO_HOLE 0x90
+
+#define SEARCH_PATTERN_LEN 512
+#define VP9_HEADER_SIZE 16
+
+static DECLARE_WAIT_QUEUE_HEAD(wq);
+static int search_done;
+
+static irqreturn_t esparser_isr(int irq, void *dev)
+{
+ int int_status;
+ struct amvdec_core *core = dev;
+
+ int_status = amvdec_read_parser(core, PARSER_INT_STATUS);
+ amvdec_write_parser(core, PARSER_INT_STATUS, int_status);
+
+ if (int_status & PARSER_INTSTAT_SC_FOUND) {
+ amvdec_write_parser(core, PFIFO_RD_PTR, 0);
+ amvdec_write_parser(core, PFIFO_WR_PTR, 0);
+ search_done = 1;
+ wake_up_interruptible(&wq);
+ }
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * VP9 frame headers need to be appended by a 16-byte long
+ * Amlogic custom header
+ */
+static int vp9_update_header(struct amvdec_core *core, struct vb2_buffer *buf)
+{
+ u8 *dp;
+ u8 marker;
+ int dsize;
+ int num_frames, cur_frame;
+ int cur_mag, mag, mag_ptr;
+ int frame_size[8], tot_frame_size[8];
+ int total_datasize = 0;
+ int new_frame_size;
+ unsigned char *old_header = NULL;
+
+ dp = (uint8_t *)vb2_plane_vaddr(buf, 0);
+ dsize = vb2_get_plane_payload(buf, 0);
+
+ if (dsize == vb2_plane_size(buf, 0)) {
+ dev_warn(core->dev, "%s: unable to update header\n", __func__);
+ return 0;
+ }
+
+ marker = dp[dsize - 1];
+ if ((marker & 0xe0) == 0xc0) {
+ num_frames = (marker & 0x7) + 1;
+ mag = ((marker >> 3) & 0x3) + 1;
+ mag_ptr = dsize - mag * num_frames - 2;
+ if (dp[mag_ptr] != marker)
+ return 0;
+
+ mag_ptr++;
+ for (cur_frame = 0; cur_frame < num_frames; cur_frame++) {
+ frame_size[cur_frame] = 0;
+ for (cur_mag = 0; cur_mag < mag; cur_mag++) {
+ frame_size[cur_frame] |=
+ (dp[mag_ptr] << (cur_mag * 8));
+ mag_ptr++;
+ }
+ if (cur_frame == 0)
+ tot_frame_size[cur_frame] =
+ frame_size[cur_frame];
+ else
+ tot_frame_size[cur_frame] =
+ tot_frame_size[cur_frame - 1] +
+ frame_size[cur_frame];
+ total_datasize += frame_size[cur_frame];
+ }
+ } else {
+ num_frames = 1;
+ frame_size[0] = dsize;
+ tot_frame_size[0] = dsize;
+ total_datasize = dsize;
+ }
+
+ new_frame_size = total_datasize + num_frames * VP9_HEADER_SIZE;
+
+ if (new_frame_size >= vb2_plane_size(buf, 0)) {
+ dev_warn(core->dev, "%s: unable to update header\n", __func__);
+ return 0;
+ }
+
+ for (cur_frame = num_frames - 1; cur_frame >= 0; cur_frame--) {
+ int framesize = frame_size[cur_frame];
+ int framesize_header = framesize + 4;
+ int oldframeoff = tot_frame_size[cur_frame] - framesize;
+ int outheaderoff = oldframeoff + cur_frame * VP9_HEADER_SIZE;
+ u8 *fdata = dp + outheaderoff;
+ u8 *old_framedata = dp + oldframeoff;
+
+ memmove(fdata + VP9_HEADER_SIZE, old_framedata, framesize);
+
+ fdata[0] = (framesize_header >> 24) & 0xff;
+ fdata[1] = (framesize_header >> 16) & 0xff;
+ fdata[2] = (framesize_header >> 8) & 0xff;
+ fdata[3] = (framesize_header >> 0) & 0xff;
+ fdata[4] = ((framesize_header >> 24) & 0xff) ^ 0xff;
+ fdata[5] = ((framesize_header >> 16) & 0xff) ^ 0xff;
+ fdata[6] = ((framesize_header >> 8) & 0xff) ^ 0xff;
+ fdata[7] = ((framesize_header >> 0) & 0xff) ^ 0xff;
+ fdata[8] = 0;
+ fdata[9] = 0;
+ fdata[10] = 0;
+ fdata[11] = 1;
+ fdata[12] = 'A';
+ fdata[13] = 'M';
+ fdata[14] = 'L';
+ fdata[15] = 'V';
+
+ if (!old_header) {
+ /* nothing */
+ } else if (old_header > fdata + 16 + framesize) {
+ dev_dbg(core->dev, "%s: data has gaps, setting to 0\n",
+ __func__);
+ memset(fdata + 16 + framesize, 0,
+ (old_header - fdata + 16 + framesize));
+ } else if (old_header < fdata + 16 + framesize) {
+ dev_err(core->dev, "%s: data overwritten\n", __func__);
+ }
+ old_header = fdata;
+ }
+
+ return new_frame_size;
+}
+
+/* Pad the packet to at least 4KiB bytes otherwise the VDEC unit won't trigger
+ * ISRs.
+ * Also append a start code 000001ff at the end to trigger
+ * the ESPARSER interrupt.
+ */
+static u32 esparser_pad_start_code(struct amvdec_core *core,
+ struct vb2_buffer *vb,
+ u32 payload_size)
+{
+ u32 pad_size = 0;
+ u8 *vaddr = vb2_plane_vaddr(vb, 0);
+
+ if (payload_size < ESPARSER_MIN_PACKET_SIZE) {
+ pad_size = ESPARSER_MIN_PACKET_SIZE - payload_size;
+ memset(vaddr + payload_size, 0, pad_size);
+ }
+
+ if ((payload_size + pad_size + SEARCH_PATTERN_LEN) >
+ vb2_plane_size(vb, 0)) {
+ dev_warn(core->dev, "%s: unable to pad start code\n", __func__);
+ return pad_size;
+ }
+
+ memset(vaddr + payload_size + pad_size, 0, SEARCH_PATTERN_LEN);
+ vaddr[payload_size + pad_size] = 0x00;
+ vaddr[payload_size + pad_size + 1] = 0x00;
+ vaddr[payload_size + pad_size + 2] = 0x01;
+ vaddr[payload_size + pad_size + 3] = 0xff;
+
+ return pad_size;
+}
+
+static int
+esparser_write_data(struct amvdec_core *core, dma_addr_t addr, u32 size)
+{
+ amvdec_write_parser(core, PFIFO_RD_PTR, 0);
+ amvdec_write_parser(core, PFIFO_WR_PTR, 0);
+ amvdec_write_parser(core, PARSER_CONTROL,
+ ES_WRITE |
+ ES_PARSER_START |
+ ES_SEARCH |
+ (size << ES_PACK_SIZE_BIT));
+
+ amvdec_write_parser(core, PARSER_FETCH_ADDR, addr);
+ amvdec_write_parser(core, PARSER_FETCH_CMD,
+ (7 << FETCH_ENDIAN_BIT) |
+ (size + SEARCH_PATTERN_LEN));
+
+ search_done = 0;
+ return wait_event_interruptible_timeout(wq, search_done, (HZ / 5));
+}
+
+static u32 esparser_vififo_get_free_space(struct amvdec_session *sess)
+{
+ u32 vififo_usage;
+ struct amvdec_ops *vdec_ops = sess->fmt_out->vdec_ops;
+ struct amvdec_core *core = sess->core;
+
+ vififo_usage = vdec_ops->vififo_level(sess);
+ vififo_usage += amvdec_read_parser(core, PARSER_VIDEO_HOLE);
+ vififo_usage += (6 * SZ_1K); // 6 KiB internal fifo
+
+ if (vififo_usage > sess->vififo_size) {
+ dev_warn(sess->core->dev,
+ "VIFIFO usage (%u) > VIFIFO size (%u)\n",
+ vififo_usage, sess->vififo_size);
+ return 0;
+ }
+
+ return sess->vififo_size - vififo_usage;
+}
+
+int esparser_queue_eos(struct amvdec_core *core, const u8 *data, u32 len)
+{
+ struct device *dev = core->dev;
+ void *eos_vaddr;
+ dma_addr_t eos_paddr;
+ int ret;
+
+ eos_vaddr = dma_alloc_coherent(dev, len + SEARCH_PATTERN_LEN,
+ &eos_paddr, GFP_KERNEL);
+ if (!eos_vaddr)
+ return -ENOMEM;
+
+ memcpy(eos_vaddr, data, len);
+ ret = esparser_write_data(core, eos_paddr, len);
+ dma_free_coherent(dev, len + SEARCH_PATTERN_LEN,
+ eos_vaddr, eos_paddr);
+
+ return ret;
+}
+
+static u32 esparser_get_offset(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ u32 offset = amvdec_read_parser(core, PARSER_VIDEO_WP) -
+ sess->vififo_paddr;
+
+ if (offset < sess->last_offset)
+ sess->wrap_count++;
+
+ sess->last_offset = offset;
+ offset += (sess->wrap_count * sess->vififo_size);
+
+ return offset;
+}
+
+static int
+esparser_queue(struct amvdec_session *sess, struct vb2_v4l2_buffer *vbuf)
+{
+ int ret;
+ struct vb2_buffer *vb = &vbuf->vb2_buf;
+ struct amvdec_core *core = sess->core;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+ u32 payload_size = vb2_get_plane_payload(vb, 0);
+ dma_addr_t phy = vb2_dma_contig_plane_dma_addr(vb, 0);
+ u32 num_dst_bufs = 0;
+ u32 offset;
+ u32 pad_size;
+
+ /*
+ * When max ref frame is held by VP9, this should be -= 3 to prevent a
+ * shortage of CAPTURE buffers on the decoder side.
+ * For the future, a good enhancement of the way this is handled could
+ * be to notify new capture buffers to the decoding modules, so that
+ * they could pause when there is no capture buffer available and
+ * resume on this notification.
+ */
+ if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9) {
+ if (codec_ops->num_pending_bufs)
+ num_dst_bufs = codec_ops->num_pending_bufs(sess);
+
+ num_dst_bufs += v4l2_m2m_num_dst_bufs_ready(sess->m2m_ctx);
+ if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9)
+ num_dst_bufs -= 3;
+
+ if (esparser_vififo_get_free_space(sess) < payload_size ||
+ atomic_read(&sess->esparser_queued_bufs) >= num_dst_bufs)
+ return -EAGAIN;
+ } else if (esparser_vififo_get_free_space(sess) < payload_size) {
+ return -EAGAIN;
+ }
+
+ v4l2_m2m_src_buf_remove_by_buf(sess->m2m_ctx, vbuf);
+
+ offset = esparser_get_offset(sess);
+
+ ret = amvdec_add_ts(sess, vb->timestamp, vbuf->timecode, offset, vbuf->flags);
+ if (ret) {
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+ return ret;
+ }
+
+ dev_dbg(core->dev, "esparser: ts = %llu pld_size = %u offset = %08X flags = %08X\n",
+ vb->timestamp, payload_size, offset, vbuf->flags);
+
+ vbuf->flags = 0;
+ vbuf->field = V4L2_FIELD_NONE;
+ vbuf->sequence = sess->sequence_out++;
+
+ if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9) {
+ payload_size = vp9_update_header(core, vb);
+
+ /* If unable to alter buffer to add headers */
+ if (payload_size == 0) {
+ amvdec_remove_ts(sess, vb->timestamp);
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+
+ return 0;
+ }
+ }
+
+ pad_size = esparser_pad_start_code(core, vb, payload_size);
+ ret = esparser_write_data(core, phy, payload_size + pad_size);
+
+ if (ret <= 0) {
+ dev_warn(core->dev, "esparser: input parsing error\n");
+ amvdec_remove_ts(sess, vb->timestamp);
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+ amvdec_write_parser(core, PARSER_FETCH_CMD, 0);
+
+ return 0;
+ }
+
+ atomic_inc(&sess->esparser_queued_bufs);
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
+
+ return 0;
+}
+
+void esparser_queue_all_src(struct work_struct *work)
+{
+ struct v4l2_m2m_buffer *buf, *n;
+ struct amvdec_session *sess =
+ container_of(work, struct amvdec_session, esparser_queue_work);
+
+ mutex_lock(&sess->lock);
+ v4l2_m2m_for_each_src_buf_safe(sess->m2m_ctx, buf, n) {
+ if (sess->should_stop)
+ break;
+
+ if (esparser_queue(sess, &buf->vb) < 0)
+ break;
+ }
+ mutex_unlock(&sess->lock);
+}
+
+int esparser_power_up(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct amvdec_ops *vdec_ops = sess->fmt_out->vdec_ops;
+
+ reset_control_reset(core->esparser_reset);
+ amvdec_write_parser(core, PARSER_CONFIG,
+ (10 << PS_CFG_PFIFO_EMPTY_CNT_BIT) |
+ (1 << PS_CFG_MAX_ES_WR_CYCLE_BIT) |
+ (16 << PS_CFG_MAX_FETCH_CYCLE_BIT));
+
+ amvdec_write_parser(core, PFIFO_RD_PTR, 0);
+ amvdec_write_parser(core, PFIFO_WR_PTR, 0);
+
+ amvdec_write_parser(core, PARSER_SEARCH_PATTERN,
+ ES_START_CODE_PATTERN);
+ amvdec_write_parser(core, PARSER_SEARCH_MASK, ES_START_CODE_MASK);
+
+ amvdec_write_parser(core, PARSER_CONFIG,
+ (10 << PS_CFG_PFIFO_EMPTY_CNT_BIT) |
+ (1 << PS_CFG_MAX_ES_WR_CYCLE_BIT) |
+ (16 << PS_CFG_MAX_FETCH_CYCLE_BIT) |
+ (2 << PS_CFG_STARTCODE_WID_24_BIT));
+
+ amvdec_write_parser(core, PARSER_CONTROL,
+ (ES_SEARCH | ES_PARSER_START));
+
+ amvdec_write_parser(core, PARSER_VIDEO_START_PTR, sess->vififo_paddr);
+ amvdec_write_parser(core, PARSER_VIDEO_END_PTR,
+ sess->vififo_paddr + sess->vififo_size - 8);
+ amvdec_write_parser(core, PARSER_ES_CONTROL,
+ amvdec_read_parser(core, PARSER_ES_CONTROL) & ~1);
+
+ if (vdec_ops->conf_esparser)
+ vdec_ops->conf_esparser(sess);
+
+ amvdec_write_parser(core, PARSER_INT_STATUS, 0xffff);
+ amvdec_write_parser(core, PARSER_INT_ENABLE,
+ BIT(PARSER_INT_HOST_EN_BIT));
+
+ return 0;
+}
+
+int esparser_init(struct platform_device *pdev, struct amvdec_core *core)
+{
+ struct device *dev = &pdev->dev;
+ int ret;
+ int irq;
+
+ irq = platform_get_irq_byname(pdev, "esparser");
+ if (irq < 0)
+ return irq;
+
+ ret = devm_request_irq(dev, irq, esparser_isr, IRQF_SHARED,
+ "esparserirq", core);
+ if (ret) {
+ dev_err(dev, "Failed requesting ESPARSER IRQ\n");
+ return ret;
+ }
+
+ core->esparser_reset =
+ devm_reset_control_get_exclusive(dev, "esparser");
+ if (IS_ERR(core->esparser_reset)) {
+ dev_err(dev, "Failed to get esparser_reset\n");
+ return PTR_ERR(core->esparser_reset);
+ }
+
+ return 0;
+}
diff --git a/drivers/staging/media/meson/vdec/esparser.h b/drivers/staging/media/meson/vdec/esparser.h
new file mode 100644
index 000000000..9351e62c7
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/esparser.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_ESPARSER_H_
+#define __MESON_VDEC_ESPARSER_H_
+
+#include <linux/platform_device.h>
+
+#include "vdec.h"
+
+int esparser_init(struct platform_device *pdev, struct amvdec_core *core);
+int esparser_power_up(struct amvdec_session *sess);
+
+/**
+ * esparser_queue_eos() - write End Of Stream sequence to the ESPARSER
+ *
+ * @core: vdec core struct
+ * @data: EOS sequence
+ * @len: length of EOS sequence
+ */
+int esparser_queue_eos(struct amvdec_core *core, const u8 *data, u32 len);
+
+/**
+ * esparser_queue_all_src() - work handler that writes as many src buffers
+ * as possible to the ESPARSER
+ *
+ * @work: work struct
+ */
+void esparser_queue_all_src(struct work_struct *work);
+
+#define ESPARSER_MIN_PACKET_SIZE SZ_4K
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/hevc_regs.h b/drivers/staging/media/meson/vdec/hevc_regs.h
new file mode 100644
index 000000000..0392f41a1
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/hevc_regs.h
@@ -0,0 +1,218 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ */
+
+#ifndef __MESON_VDEC_HEVC_REGS_H_
+#define __MESON_VDEC_HEVC_REGS_H_
+
+#define HEVC_ASSIST_MMU_MAP_ADDR 0xc024
+
+#define HEVC_ASSIST_MBOX1_CLR_REG 0xc1d4
+#define HEVC_ASSIST_MBOX1_MASK 0xc1d8
+
+#define HEVC_ASSIST_SCRATCH_0 0xc300
+#define HEVC_ASSIST_SCRATCH_1 0xc304
+#define HEVC_ASSIST_SCRATCH_2 0xc308
+#define HEVC_ASSIST_SCRATCH_3 0xc30c
+#define HEVC_ASSIST_SCRATCH_4 0xc310
+#define HEVC_ASSIST_SCRATCH_5 0xc314
+#define HEVC_ASSIST_SCRATCH_6 0xc318
+#define HEVC_ASSIST_SCRATCH_7 0xc31c
+#define HEVC_ASSIST_SCRATCH_8 0xc320
+#define HEVC_ASSIST_SCRATCH_9 0xc324
+#define HEVC_ASSIST_SCRATCH_A 0xc328
+#define HEVC_ASSIST_SCRATCH_B 0xc32c
+#define HEVC_ASSIST_SCRATCH_C 0xc330
+#define HEVC_ASSIST_SCRATCH_D 0xc334
+#define HEVC_ASSIST_SCRATCH_E 0xc338
+#define HEVC_ASSIST_SCRATCH_F 0xc33c
+#define HEVC_ASSIST_SCRATCH_G 0xc340
+#define HEVC_ASSIST_SCRATCH_H 0xc344
+#define HEVC_ASSIST_SCRATCH_I 0xc348
+#define HEVC_ASSIST_SCRATCH_J 0xc34c
+#define HEVC_ASSIST_SCRATCH_K 0xc350
+#define HEVC_ASSIST_SCRATCH_L 0xc354
+#define HEVC_ASSIST_SCRATCH_M 0xc358
+#define HEVC_ASSIST_SCRATCH_N 0xc35c
+
+#define HEVC_PARSER_VERSION 0xc400
+#define HEVC_STREAM_CONTROL 0xc404
+#define HEVC_STREAM_START_ADDR 0xc408
+#define HEVC_STREAM_END_ADDR 0xc40c
+#define HEVC_STREAM_WR_PTR 0xc410
+#define HEVC_STREAM_RD_PTR 0xc414
+#define HEVC_STREAM_LEVEL 0xc418
+#define HEVC_STREAM_FIFO_CTL 0xc41c
+#define HEVC_SHIFT_CONTROL 0xc420
+#define HEVC_SHIFT_STARTCODE 0xc424
+#define HEVC_SHIFT_EMULATECODE 0xc428
+#define HEVC_SHIFT_STATUS 0xc42c
+#define HEVC_SHIFTED_DATA 0xc430
+#define HEVC_SHIFT_BYTE_COUNT 0xc434
+#define HEVC_SHIFT_COMMAND 0xc438
+#define HEVC_ELEMENT_RESULT 0xc43c
+#define HEVC_CABAC_CONTROL 0xc440
+#define HEVC_PARSER_SLICE_INFO 0xc444
+#define HEVC_PARSER_CMD_WRITE 0xc448
+#define HEVC_PARSER_CORE_CONTROL 0xc44c
+#define HEVC_PARSER_CMD_FETCH 0xc450
+#define HEVC_PARSER_CMD_STATUS 0xc454
+#define HEVC_PARSER_LCU_INFO 0xc458
+#define HEVC_PARSER_HEADER_INFO 0xc45c
+#define HEVC_PARSER_INT_CONTROL 0xc480
+#define HEVC_PARSER_INT_STATUS 0xc484
+#define HEVC_PARSER_IF_CONTROL 0xc488
+#define HEVC_PARSER_PICTURE_SIZE 0xc48c
+#define HEVC_PARSER_LCU_START 0xc490
+#define HEVC_PARSER_HEADER_INFO2 0xc494
+#define HEVC_PARSER_QUANT_READ 0xc498
+#define HEVC_PARSER_RESERVED_27 0xc49c
+#define HEVC_PARSER_CMD_SKIP_0 0xc4a0
+#define HEVC_PARSER_CMD_SKIP_1 0xc4a4
+#define HEVC_PARSER_CMD_SKIP_2 0xc4a8
+#define HEVC_SAO_IF_STATUS 0xc4c0
+#define HEVC_SAO_IF_DATA_Y 0xc4c4
+#define HEVC_SAO_IF_DATA_U 0xc4c8
+#define HEVC_SAO_IF_DATA_V 0xc4cc
+#define HEVC_STREAM_SWAP_ADDR 0xc4d0
+#define HEVC_STREAM_SWAP_CTRL 0xc4d4
+#define HEVC_IQIT_IF_WAIT_CNT 0xc4d8
+#define HEVC_MPRED_IF_WAIT_CNT 0xc4dc
+#define HEVC_SAO_IF_WAIT_CNT 0xc4e0
+
+#define HEVC_MPRED_VERSION 0xc800
+#define HEVC_MPRED_CTRL0 0xc804
+ #define MPRED_CTRL0_NEW_PIC BIT(2)
+ #define MPRED_CTRL0_NEW_TILE BIT(3)
+ #define MPRED_CTRL0_NEW_SLI_SEG BIT(4)
+ #define MPRED_CTRL0_TMVP BIT(5)
+ #define MPRED_CTRL0_LDC BIT(6)
+ #define MPRED_CTRL0_COL_FROM_L0 BIT(7)
+ #define MPRED_CTRL0_ABOVE_EN BIT(9)
+ #define MPRED_CTRL0_MV_WR_EN BIT(10)
+ #define MPRED_CTRL0_MV_RD_EN BIT(11)
+ #define MPRED_CTRL0_BUF_LINEAR BIT(13)
+#define HEVC_MPRED_CTRL1 0xc808
+#define HEVC_MPRED_INT_EN 0xc80c
+#define HEVC_MPRED_INT_STATUS 0xc810
+#define HEVC_MPRED_PIC_SIZE 0xc814
+#define HEVC_MPRED_PIC_SIZE_LCU 0xc818
+#define HEVC_MPRED_TILE_START 0xc81c
+#define HEVC_MPRED_TILE_SIZE_LCU 0xc820
+#define HEVC_MPRED_REF_NUM 0xc824
+#define HEVC_MPRED_REF_EN_L0 0xc830
+#define HEVC_MPRED_REF_EN_L1 0xc834
+#define HEVC_MPRED_COLREF_EN_L0 0xc838
+#define HEVC_MPRED_COLREF_EN_L1 0xc83c
+#define HEVC_MPRED_AXI_WCTRL 0xc840
+#define HEVC_MPRED_AXI_RCTRL 0xc844
+#define HEVC_MPRED_ABV_START_ADDR 0xc848
+#define HEVC_MPRED_MV_WR_START_ADDR 0xc84c
+#define HEVC_MPRED_MV_RD_START_ADDR 0xc850
+#define HEVC_MPRED_MV_WPTR 0xc854
+#define HEVC_MPRED_MV_RPTR 0xc858
+#define HEVC_MPRED_MV_WR_ROW_JUMP 0xc85c
+#define HEVC_MPRED_MV_RD_ROW_JUMP 0xc860
+#define HEVC_MPRED_CURR_LCU 0xc864
+#define HEVC_MPRED_ABV_WPTR 0xc868
+#define HEVC_MPRED_ABV_RPTR 0xc86c
+#define HEVC_MPRED_CTRL2 0xc870
+#define HEVC_MPRED_CTRL3 0xc874
+#define HEVC_MPRED_L0_REF00_POC 0xc880
+#define HEVC_MPRED_L1_REF00_POC 0xc8c0
+
+#define HEVC_MPRED_CTRL4 0xc930
+
+#define HEVC_MPRED_CUR_POC 0xc980
+#define HEVC_MPRED_COL_POC 0xc984
+#define HEVC_MPRED_MV_RD_END_ADDR 0xc988
+
+#define HEVC_MSP 0xcc00
+#define HEVC_MPSR 0xcc04
+#define HEVC_MCPU_INTR_MSK 0xcc10
+#define HEVC_MCPU_INTR_REQ 0xcc14
+#define HEVC_CPSR 0xcc84
+
+#define HEVC_IMEM_DMA_CTRL 0xcd00
+#define HEVC_IMEM_DMA_ADR 0xcd04
+#define HEVC_IMEM_DMA_COUNT 0xcd08
+
+#define HEVCD_IPP_TOP_CNTL 0xd000
+#define HEVCD_IPP_LINEBUFF_BASE 0xd024
+#define HEVCD_IPP_AXIIF_CONFIG 0xd02c
+
+#define VP9D_MPP_REF_SCALE_ENBL 0xd104
+#define VP9D_MPP_REFINFO_TBL_ACCCONFIG 0xd108
+#define VP9D_MPP_REFINFO_DATA 0xd10c
+
+#define HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR 0xd180
+#define HEVCD_MPP_ANC2AXI_TBL_CMD_ADDR 0xd184
+#define HEVCD_MPP_ANC2AXI_TBL_DATA 0xd190
+
+#define HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR 0xd300
+#define HEVCD_MPP_ANC_CANVAS_DATA_ADDR 0xd304
+#define HEVCD_MPP_DECOMP_CTL1 0xd308
+#define HEVCD_MPP_DECOMP_CTL2 0xd30c
+#define HEVCD_MCRCC_CTL1 0xd3c0
+#define HEVCD_MCRCC_CTL2 0xd3c4
+#define HEVCD_MCRCC_CTL3 0xd3c8
+
+#define HEVC_DBLK_CFG0 0xd400
+#define HEVC_DBLK_CFG1 0xd404
+#define HEVC_DBLK_CFG2 0xd408
+#define HEVC_DBLK_CFG3 0xd40c
+#define HEVC_DBLK_CFG4 0xd410
+#define HEVC_DBLK_CFG5 0xd414
+#define HEVC_DBLK_CFG6 0xd418
+#define HEVC_DBLK_CFG7 0xd41c
+#define HEVC_DBLK_CFG8 0xd420
+#define HEVC_DBLK_CFG9 0xd424
+#define HEVC_DBLK_CFGA 0xd428
+#define HEVC_DBLK_STS0 0xd42c
+#define HEVC_DBLK_CFGB 0xd42c
+#define HEVC_DBLK_STS1 0xd430
+#define HEVC_DBLK_CFGE 0xd438
+
+#define HEVC_SAO_VERSION 0xd800
+#define HEVC_SAO_CTRL0 0xd804
+#define HEVC_SAO_CTRL1 0xd808
+#define HEVC_SAO_PIC_SIZE 0xd814
+#define HEVC_SAO_PIC_SIZE_LCU 0xd818
+#define HEVC_SAO_TILE_START 0xd81c
+#define HEVC_SAO_TILE_SIZE_LCU 0xd820
+#define HEVC_SAO_Y_START_ADDR 0xd82c
+#define HEVC_SAO_Y_LENGTH 0xd830
+#define HEVC_SAO_C_START_ADDR 0xd834
+#define HEVC_SAO_C_LENGTH 0xd838
+#define HEVC_SAO_Y_WPTR 0xd83c
+#define HEVC_SAO_C_WPTR 0xd840
+#define HEVC_SAO_ABV_START_ADDR 0xd844
+#define HEVC_SAO_VB_WR_START_ADDR 0xd848
+#define HEVC_SAO_VB_RD_START_ADDR 0xd84c
+#define HEVC_SAO_ABV_WPTR 0xd850
+#define HEVC_SAO_ABV_RPTR 0xd854
+#define HEVC_SAO_VB_WPTR 0xd858
+#define HEVC_SAO_VB_RPTR 0xd85c
+#define HEVC_SAO_CTRL2 0xd880
+#define HEVC_SAO_CTRL3 0xd884
+#define HEVC_SAO_CTRL4 0xd888
+#define HEVC_SAO_CTRL5 0xd88c
+#define HEVC_SAO_CTRL6 0xd890
+#define HEVC_SAO_CTRL7 0xd894
+#define HEVC_CM_BODY_START_ADDR 0xd898
+#define HEVC_CM_BODY_LENGTH 0xd89c
+#define HEVC_CM_HEADER_START_ADDR 0xd8a0
+#define HEVC_CM_HEADER_LENGTH 0xd8a4
+#define HEVC_CM_HEADER_OFFSET 0xd8ac
+#define HEVC_SAO_MMU_VH0_ADDR 0xd8e8
+#define HEVC_SAO_MMU_VH1_ADDR 0xd8ec
+
+#define HEVC_IQIT_CLK_RST_CTRL 0xdc00
+#define HEVC_IQIT_SCALELUT_WR_ADDR 0xdc08
+#define HEVC_IQIT_SCALELUT_RD_ADDR 0xdc0c
+#define HEVC_IQIT_SCALELUT_DATA 0xdc10
+
+#define HEVC_PSCALE_CTRL 0xe444
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c
new file mode 100644
index 000000000..52f224d8d
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec.c
@@ -0,0 +1,1131 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#include <linux/of_device.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/syscon.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/kthread.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/v4l2-dev.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "vdec.h"
+#include "esparser.h"
+#include "vdec_helpers.h"
+
+struct dummy_buf {
+ struct vb2_v4l2_buffer vb;
+ struct list_head list;
+};
+
+/* 16 MiB for parsed bitstream swap exchange */
+#define SIZE_VIFIFO SZ_16M
+
+static u32 get_output_size(u32 width, u32 height)
+{
+ return ALIGN(width * height, SZ_64K);
+}
+
+u32 amvdec_get_output_size(struct amvdec_session *sess)
+{
+ return get_output_size(sess->width, sess->height);
+}
+EXPORT_SYMBOL_GPL(amvdec_get_output_size);
+
+static int vdec_codec_needs_recycle(struct amvdec_session *sess)
+{
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+
+ return codec_ops->can_recycle && codec_ops->recycle;
+}
+
+static int vdec_recycle_thread(void *data)
+{
+ struct amvdec_session *sess = data;
+ struct amvdec_core *core = sess->core;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+ struct amvdec_buffer *tmp, *n;
+
+ while (!kthread_should_stop()) {
+ mutex_lock(&sess->bufs_recycle_lock);
+ list_for_each_entry_safe(tmp, n, &sess->bufs_recycle, list) {
+ if (!codec_ops->can_recycle(core))
+ break;
+
+ codec_ops->recycle(core, tmp->vb->index);
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+ mutex_unlock(&sess->bufs_recycle_lock);
+
+ usleep_range(5000, 10000);
+ }
+
+ return 0;
+}
+
+static int vdec_poweron(struct amvdec_session *sess)
+{
+ int ret;
+ struct amvdec_ops *vdec_ops = sess->fmt_out->vdec_ops;
+
+ ret = clk_prepare_enable(sess->core->dos_parser_clk);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(sess->core->dos_clk);
+ if (ret)
+ goto disable_dos_parser;
+
+ ret = vdec_ops->start(sess);
+ if (ret)
+ goto disable_dos;
+
+ esparser_power_up(sess);
+
+ return 0;
+
+disable_dos:
+ clk_disable_unprepare(sess->core->dos_clk);
+disable_dos_parser:
+ clk_disable_unprepare(sess->core->dos_parser_clk);
+
+ return ret;
+}
+
+static void vdec_wait_inactive(struct amvdec_session *sess)
+{
+ /* We consider 50ms with no IRQ to be inactive. */
+ while (time_is_after_jiffies64(sess->last_irq_jiffies +
+ msecs_to_jiffies(50)))
+ msleep(25);
+}
+
+static void vdec_poweroff(struct amvdec_session *sess)
+{
+ struct amvdec_ops *vdec_ops = sess->fmt_out->vdec_ops;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+
+ sess->should_stop = 1;
+ vdec_wait_inactive(sess);
+ if (codec_ops->drain)
+ codec_ops->drain(sess);
+
+ vdec_ops->stop(sess);
+ clk_disable_unprepare(sess->core->dos_clk);
+ clk_disable_unprepare(sess->core->dos_parser_clk);
+}
+
+static void
+vdec_queue_recycle(struct amvdec_session *sess, struct vb2_buffer *vb)
+{
+ struct amvdec_buffer *new_buf;
+
+ new_buf = kmalloc(sizeof(*new_buf), GFP_KERNEL);
+ if (!new_buf)
+ return;
+ new_buf->vb = vb;
+
+ mutex_lock(&sess->bufs_recycle_lock);
+ list_add_tail(&new_buf->list, &sess->bufs_recycle);
+ mutex_unlock(&sess->bufs_recycle_lock);
+}
+
+static void vdec_m2m_device_run(void *priv)
+{
+ struct amvdec_session *sess = priv;
+
+ schedule_work(&sess->esparser_queue_work);
+}
+
+static void vdec_m2m_job_abort(void *priv)
+{
+ struct amvdec_session *sess = priv;
+
+ v4l2_m2m_job_finish(sess->m2m_dev, sess->m2m_ctx);
+}
+
+static const struct v4l2_m2m_ops vdec_m2m_ops = {
+ .device_run = vdec_m2m_device_run,
+ .job_abort = vdec_m2m_job_abort,
+};
+
+static void process_num_buffers(struct vb2_queue *q,
+ struct amvdec_session *sess,
+ unsigned int *num_buffers,
+ bool is_reqbufs)
+{
+ const struct amvdec_format *fmt_out = sess->fmt_out;
+ unsigned int buffers_total = q->num_buffers + *num_buffers;
+ u32 min_buf_capture = v4l2_ctrl_g_ctrl(sess->ctrl_min_buf_capture);
+
+ if (q->num_buffers + *num_buffers < min_buf_capture)
+ *num_buffers = min_buf_capture - q->num_buffers;
+ if (is_reqbufs && buffers_total < fmt_out->min_buffers)
+ *num_buffers = fmt_out->min_buffers - q->num_buffers;
+ if (buffers_total > fmt_out->max_buffers)
+ *num_buffers = fmt_out->max_buffers - q->num_buffers;
+
+ /* We need to program the complete CAPTURE buffer list
+ * in registers during start_streaming, and the firmwares
+ * are free to choose any of them to write frames to. As such,
+ * we need all of them to be queued into the driver
+ */
+ sess->num_dst_bufs = q->num_buffers + *num_buffers;
+ q->min_buffers_needed = max(fmt_out->min_buffers, sess->num_dst_bufs);
+}
+
+static int vdec_queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
+ unsigned int *num_planes, unsigned int sizes[],
+ struct device *alloc_devs[])
+{
+ struct amvdec_session *sess = vb2_get_drv_priv(q);
+ u32 output_size = amvdec_get_output_size(sess);
+
+ if (*num_planes) {
+ switch (q->type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ if (*num_planes != 1 ||
+ sizes[0] < sess->src_buffer_size)
+ return -EINVAL;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ switch (sess->pixfmt_cap) {
+ case V4L2_PIX_FMT_NV12M:
+ if (*num_planes != 2 ||
+ sizes[0] < output_size ||
+ sizes[1] < output_size / 2)
+ return -EINVAL;
+ break;
+ case V4L2_PIX_FMT_YUV420M:
+ if (*num_planes != 3 ||
+ sizes[0] < output_size ||
+ sizes[1] < output_size / 4 ||
+ sizes[2] < output_size / 4)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ process_num_buffers(q, sess, num_buffers, false);
+ break;
+ }
+
+ return 0;
+ }
+
+ switch (q->type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ sizes[0] = sess->src_buffer_size;
+ *num_planes = 1;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ switch (sess->pixfmt_cap) {
+ case V4L2_PIX_FMT_NV12M:
+ sizes[0] = output_size;
+ sizes[1] = output_size / 2;
+ *num_planes = 2;
+ break;
+ case V4L2_PIX_FMT_YUV420M:
+ sizes[0] = output_size;
+ sizes[1] = output_size / 4;
+ sizes[2] = output_size / 4;
+ *num_planes = 3;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ process_num_buffers(q, sess, num_buffers, true);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ sess->changed_format = 1;
+ return 0;
+}
+
+static void vdec_vb2_buf_queue(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct amvdec_session *sess = vb2_get_drv_priv(vb->vb2_queue);
+ struct v4l2_m2m_ctx *m2m_ctx = sess->m2m_ctx;
+
+ v4l2_m2m_buf_queue(m2m_ctx, vbuf);
+
+ if (!sess->streamon_out)
+ return;
+
+ if (sess->streamon_cap &&
+ vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+ vdec_codec_needs_recycle(sess))
+ vdec_queue_recycle(sess, vb);
+
+ schedule_work(&sess->esparser_queue_work);
+}
+
+static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct amvdec_session *sess = vb2_get_drv_priv(q);
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+ struct amvdec_core *core = sess->core;
+ struct vb2_v4l2_buffer *buf;
+ int ret;
+
+ if (core->cur_sess && core->cur_sess != sess) {
+ ret = -EBUSY;
+ goto bufs_done;
+ }
+
+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ sess->streamon_out = 1;
+ else
+ sess->streamon_cap = 1;
+
+ if (!sess->streamon_out)
+ return 0;
+
+ if (sess->status == STATUS_NEEDS_RESUME &&
+ q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+ sess->changed_format) {
+ codec_ops->resume(sess);
+ sess->status = STATUS_RUNNING;
+ return 0;
+ }
+
+ if (sess->status == STATUS_RUNNING ||
+ sess->status == STATUS_NEEDS_RESUME ||
+ sess->status == STATUS_INIT)
+ return 0;
+
+ sess->vififo_size = SIZE_VIFIFO;
+ sess->vififo_vaddr =
+ dma_alloc_coherent(sess->core->dev, sess->vififo_size,
+ &sess->vififo_paddr, GFP_KERNEL);
+ if (!sess->vififo_vaddr) {
+ dev_err(sess->core->dev, "Failed to request VIFIFO buffer\n");
+ ret = -ENOMEM;
+ goto bufs_done;
+ }
+
+ sess->should_stop = 0;
+ sess->keyframe_found = 0;
+ sess->last_offset = 0;
+ sess->wrap_count = 0;
+ sess->pixelaspect.numerator = 1;
+ sess->pixelaspect.denominator = 1;
+ atomic_set(&sess->esparser_queued_bufs, 0);
+ v4l2_ctrl_s_ctrl(sess->ctrl_min_buf_capture, 1);
+
+ ret = vdec_poweron(sess);
+ if (ret)
+ goto vififo_free;
+
+ sess->sequence_cap = 0;
+ sess->sequence_out = 0;
+ if (vdec_codec_needs_recycle(sess))
+ sess->recycle_thread = kthread_run(vdec_recycle_thread, sess,
+ "vdec_recycle");
+
+ sess->status = STATUS_INIT;
+ core->cur_sess = sess;
+ schedule_work(&sess->esparser_queue_work);
+ return 0;
+
+vififo_free:
+ dma_free_coherent(sess->core->dev, sess->vififo_size,
+ sess->vififo_vaddr, sess->vififo_paddr);
+bufs_done:
+ while ((buf = v4l2_m2m_src_buf_remove(sess->m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
+ while ((buf = v4l2_m2m_dst_buf_remove(sess->m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
+
+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ sess->streamon_out = 0;
+ else
+ sess->streamon_cap = 0;
+
+ return ret;
+}
+
+static void vdec_free_canvas(struct amvdec_session *sess)
+{
+ int i;
+
+ for (i = 0; i < sess->canvas_num; ++i)
+ meson_canvas_free(sess->core->canvas, sess->canvas_alloc[i]);
+
+ sess->canvas_num = 0;
+}
+
+static void vdec_reset_timestamps(struct amvdec_session *sess)
+{
+ struct amvdec_timestamp *tmp, *n;
+
+ list_for_each_entry_safe(tmp, n, &sess->timestamps, list) {
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+}
+
+static void vdec_reset_bufs_recycle(struct amvdec_session *sess)
+{
+ struct amvdec_buffer *tmp, *n;
+
+ list_for_each_entry_safe(tmp, n, &sess->bufs_recycle, list) {
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+}
+
+static void vdec_stop_streaming(struct vb2_queue *q)
+{
+ struct amvdec_session *sess = vb2_get_drv_priv(q);
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+ struct amvdec_core *core = sess->core;
+ struct vb2_v4l2_buffer *buf;
+
+ if (sess->status == STATUS_RUNNING ||
+ sess->status == STATUS_INIT ||
+ (sess->status == STATUS_NEEDS_RESUME &&
+ (!sess->streamon_out || !sess->streamon_cap))) {
+ if (vdec_codec_needs_recycle(sess))
+ kthread_stop(sess->recycle_thread);
+
+ vdec_poweroff(sess);
+ vdec_free_canvas(sess);
+ dma_free_coherent(sess->core->dev, sess->vififo_size,
+ sess->vififo_vaddr, sess->vififo_paddr);
+ vdec_reset_timestamps(sess);
+ vdec_reset_bufs_recycle(sess);
+ kfree(sess->priv);
+ sess->priv = NULL;
+ core->cur_sess = NULL;
+ sess->status = STATUS_STOPPED;
+ }
+
+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ while ((buf = v4l2_m2m_src_buf_remove(sess->m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+
+ sess->streamon_out = 0;
+ } else {
+ /* Drain remaining refs if was still running */
+ if (sess->status >= STATUS_RUNNING && codec_ops->drain)
+ codec_ops->drain(sess);
+
+ while ((buf = v4l2_m2m_dst_buf_remove(sess->m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+
+ sess->streamon_cap = 0;
+ }
+}
+
+static int vdec_vb2_buf_prepare(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+ vbuf->field = V4L2_FIELD_NONE;
+ return 0;
+}
+
+static const struct vb2_ops vdec_vb2_ops = {
+ .queue_setup = vdec_queue_setup,
+ .start_streaming = vdec_start_streaming,
+ .stop_streaming = vdec_stop_streaming,
+ .buf_queue = vdec_vb2_buf_queue,
+ .buf_prepare = vdec_vb2_buf_prepare,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
+
+static int
+vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+ strscpy(cap->driver, "meson-vdec", sizeof(cap->driver));
+ strscpy(cap->card, "Amlogic Video Decoder", sizeof(cap->card));
+ strscpy(cap->bus_info, "platform:meson-vdec", sizeof(cap->bus_info));
+
+ return 0;
+}
+
+static const struct amvdec_format *
+find_format(const struct amvdec_format *fmts, u32 size, u32 pixfmt)
+{
+ unsigned int i;
+
+ for (i = 0; i < size; i++) {
+ if (fmts[i].pixfmt == pixfmt)
+ return &fmts[i];
+ }
+
+ return NULL;
+}
+
+static unsigned int
+vdec_supports_pixfmt_cap(const struct amvdec_format *fmt_out, u32 pixfmt_cap)
+{
+ int i;
+
+ for (i = 0; fmt_out->pixfmts_cap[i]; i++)
+ if (fmt_out->pixfmts_cap[i] == pixfmt_cap)
+ return 1;
+
+ return 0;
+}
+
+static const struct amvdec_format *
+vdec_try_fmt_common(struct amvdec_session *sess, u32 size,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+ struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
+ const struct amvdec_format *fmts = sess->core->platform->formats;
+ const struct amvdec_format *fmt_out = NULL;
+ u32 output_size = 0;
+
+ memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
+ memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ fmt_out = find_format(fmts, size, pixmp->pixelformat);
+ if (!fmt_out) {
+ pixmp->pixelformat = V4L2_PIX_FMT_MPEG2;
+ fmt_out = find_format(fmts, size, pixmp->pixelformat);
+ }
+ break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ fmt_out = sess->fmt_out;
+ break;
+ default:
+ return NULL;
+ }
+
+ pixmp->width = clamp(pixmp->width, (u32)256, fmt_out->max_width);
+ pixmp->height = clamp(pixmp->height, (u32)144, fmt_out->max_height);
+ output_size = get_output_size(pixmp->width, pixmp->height);
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ if (!pfmt[0].sizeimage)
+ pfmt[0].sizeimage = sess->src_buffer_size;
+ pfmt[0].bytesperline = 0;
+ pixmp->num_planes = 1;
+ } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ fmt_out = sess->fmt_out;
+ if (!vdec_supports_pixfmt_cap(fmt_out, pixmp->pixelformat))
+ pixmp->pixelformat = fmt_out->pixfmts_cap[0];
+
+ memset(pfmt[1].reserved, 0, sizeof(pfmt[1].reserved));
+ if (pixmp->pixelformat == V4L2_PIX_FMT_NV12M) {
+ pfmt[0].sizeimage = output_size;
+ pfmt[0].bytesperline = ALIGN(pixmp->width, 32);
+
+ pfmt[1].sizeimage = output_size / 2;
+ pfmt[1].bytesperline = ALIGN(pixmp->width, 32);
+ pixmp->num_planes = 2;
+ } else if (pixmp->pixelformat == V4L2_PIX_FMT_YUV420M) {
+ pfmt[0].sizeimage = output_size;
+ pfmt[0].bytesperline = ALIGN(pixmp->width, 32);
+
+ pfmt[1].sizeimage = output_size / 4;
+ pfmt[1].bytesperline = ALIGN(pixmp->width, 32) / 2;
+
+ pfmt[2].sizeimage = output_size / 2;
+ pfmt[2].bytesperline = ALIGN(pixmp->width, 32) / 2;
+ pixmp->num_planes = 3;
+ }
+ }
+
+ if (pixmp->field == V4L2_FIELD_ANY)
+ pixmp->field = V4L2_FIELD_NONE;
+
+ return fmt_out;
+}
+
+static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+
+ vdec_try_fmt_common(sess, sess->core->platform->num_formats, f);
+
+ return 0;
+}
+
+static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+ struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ pixmp->pixelformat = sess->pixfmt_cap;
+ else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ pixmp->pixelformat = sess->fmt_out->pixfmt;
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ pixmp->width = sess->width;
+ pixmp->height = sess->height;
+ pixmp->colorspace = sess->colorspace;
+ pixmp->ycbcr_enc = sess->ycbcr_enc;
+ pixmp->quantization = sess->quantization;
+ pixmp->xfer_func = sess->xfer_func;
+ } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ pixmp->width = sess->width;
+ pixmp->height = sess->height;
+ }
+
+ vdec_try_fmt_common(sess, sess->core->platform->num_formats, f);
+
+ return 0;
+}
+
+static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+ struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+ u32 num_formats = sess->core->platform->num_formats;
+ const struct amvdec_format *fmt_out;
+ struct v4l2_pix_format_mplane orig_pixmp;
+ struct v4l2_format format;
+ u32 pixfmt_out = 0, pixfmt_cap = 0;
+
+ orig_pixmp = *pixmp;
+
+ fmt_out = vdec_try_fmt_common(sess, num_formats, f);
+ if (!fmt_out)
+ return -EINVAL;
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ pixfmt_out = pixmp->pixelformat;
+ pixfmt_cap = sess->pixfmt_cap;
+ } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ pixfmt_cap = pixmp->pixelformat;
+ pixfmt_out = sess->fmt_out->pixfmt;
+ }
+
+ memset(&format, 0, sizeof(format));
+
+ format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ format.fmt.pix_mp.pixelformat = pixfmt_out;
+ format.fmt.pix_mp.width = orig_pixmp.width;
+ format.fmt.pix_mp.height = orig_pixmp.height;
+ vdec_try_fmt_common(sess, num_formats, &format);
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ sess->width = format.fmt.pix_mp.width;
+ sess->height = format.fmt.pix_mp.height;
+ sess->colorspace = pixmp->colorspace;
+ sess->ycbcr_enc = pixmp->ycbcr_enc;
+ sess->quantization = pixmp->quantization;
+ sess->xfer_func = pixmp->xfer_func;
+ sess->src_buffer_size = pixmp->plane_fmt[0].sizeimage;
+ }
+
+ memset(&format, 0, sizeof(format));
+
+ format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ format.fmt.pix_mp.pixelformat = pixfmt_cap;
+ format.fmt.pix_mp.width = orig_pixmp.width;
+ format.fmt.pix_mp.height = orig_pixmp.height;
+ vdec_try_fmt_common(sess, num_formats, &format);
+
+ sess->width = format.fmt.pix_mp.width;
+ sess->height = format.fmt.pix_mp.height;
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ sess->fmt_out = fmt_out;
+ else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ sess->pixfmt_cap = format.fmt.pix_mp.pixelformat;
+
+ return 0;
+}
+
+static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+ const struct vdec_platform *platform = sess->core->platform;
+ const struct amvdec_format *fmt_out;
+
+ memset(f->reserved, 0, sizeof(f->reserved));
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ if (f->index >= platform->num_formats)
+ return -EINVAL;
+
+ fmt_out = &platform->formats[f->index];
+ f->pixelformat = fmt_out->pixfmt;
+ f->flags = fmt_out->flags;
+ } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ fmt_out = sess->fmt_out;
+ if (f->index >= 4 || !fmt_out->pixfmts_cap[f->index])
+ return -EINVAL;
+
+ f->pixelformat = fmt_out->pixfmts_cap[f->index];
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vdec_enum_framesizes(struct file *file, void *fh,
+ struct v4l2_frmsizeenum *fsize)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+ const struct amvdec_format *formats = sess->core->platform->formats;
+ const struct amvdec_format *fmt;
+ u32 num_formats = sess->core->platform->num_formats;
+
+ fmt = find_format(formats, num_formats, fsize->pixel_format);
+ if (!fmt || fsize->index)
+ return -EINVAL;
+
+ fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
+
+ fsize->stepwise.min_width = 256;
+ fsize->stepwise.max_width = fmt->max_width;
+ fsize->stepwise.step_width = 1;
+ fsize->stepwise.min_height = 144;
+ fsize->stepwise.max_height = fmt->max_height;
+ fsize->stepwise.step_height = 1;
+
+ return 0;
+}
+
+static int
+vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+ struct device *dev = sess->core->dev;
+ int ret;
+
+ ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
+ if (ret)
+ return ret;
+
+ if (!(sess->streamon_out & sess->streamon_cap))
+ return 0;
+
+ if (cmd->cmd == V4L2_DEC_CMD_START) {
+ v4l2_m2m_clear_state(sess->m2m_ctx);
+ sess->should_stop = 0;
+ return 0;
+ }
+
+ /* Should not happen */
+ if (cmd->cmd != V4L2_DEC_CMD_STOP)
+ return -EINVAL;
+
+ dev_dbg(dev, "Received V4L2_DEC_CMD_STOP\n");
+
+ sess->should_stop = 1;
+
+ v4l2_m2m_mark_stopped(sess->m2m_ctx);
+
+ if (codec_ops->drain) {
+ vdec_wait_inactive(sess);
+ codec_ops->drain(sess);
+ } else if (codec_ops->eos_sequence) {
+ u32 len;
+ const u8 *data = codec_ops->eos_sequence(&len);
+
+ esparser_queue_eos(sess->core, data, len);
+ vdec_wait_inactive(sess);
+ }
+
+ return ret;
+}
+
+static int vdec_subscribe_event(struct v4l2_fh *fh,
+ const struct v4l2_event_subscription *sub)
+{
+ switch (sub->type) {
+ case V4L2_EVENT_EOS:
+ case V4L2_EVENT_SOURCE_CHANGE:
+ return v4l2_event_subscribe(fh, sub, 0, NULL);
+ case V4L2_EVENT_CTRL:
+ return v4l2_ctrl_subscribe_event(fh, sub);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int vdec_g_pixelaspect(struct file *file, void *fh, int type,
+ struct v4l2_fract *f)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+
+ *f = sess->pixelaspect;
+ return 0;
+}
+
+static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
+ .vidioc_querycap = vdec_querycap,
+ .vidioc_enum_fmt_vid_cap = vdec_enum_fmt,
+ .vidioc_enum_fmt_vid_out = vdec_enum_fmt,
+ .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
+ .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
+ .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
+ .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
+ .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
+ .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
+ .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+ .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+ .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+ .vidioc_enum_framesizes = vdec_enum_framesizes,
+ .vidioc_subscribe_event = vdec_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+ .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,
+ .vidioc_decoder_cmd = vdec_decoder_cmd,
+ .vidioc_g_pixelaspect = vdec_g_pixelaspect,
+};
+
+static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
+{
+ struct amvdec_session *sess = priv;
+ int ret;
+
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+ src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ src_vq->ops = &vdec_vb2_ops;
+ src_vq->mem_ops = &vb2_dma_contig_memops;
+ src_vq->drv_priv = sess;
+ src_vq->buf_struct_size = sizeof(struct dummy_buf);
+ src_vq->min_buffers_needed = 1;
+ src_vq->dev = sess->core->dev;
+ src_vq->lock = &sess->lock;
+ ret = vb2_queue_init(src_vq);
+ if (ret)
+ return ret;
+
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+ dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ dst_vq->ops = &vdec_vb2_ops;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+ dst_vq->drv_priv = sess;
+ dst_vq->buf_struct_size = sizeof(struct dummy_buf);
+ dst_vq->min_buffers_needed = 1;
+ dst_vq->dev = sess->core->dev;
+ dst_vq->lock = &sess->lock;
+ return vb2_queue_init(dst_vq);
+}
+
+static int vdec_init_ctrls(struct amvdec_session *sess)
+{
+ struct v4l2_ctrl_handler *ctrl_handler = &sess->ctrl_handler;
+ int ret;
+
+ ret = v4l2_ctrl_handler_init(ctrl_handler, 1);
+ if (ret)
+ return ret;
+
+ sess->ctrl_min_buf_capture =
+ v4l2_ctrl_new_std(ctrl_handler, NULL,
+ V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1,
+ 1);
+
+ ret = ctrl_handler->error;
+ if (ret) {
+ v4l2_ctrl_handler_free(ctrl_handler);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int vdec_open(struct file *file)
+{
+ struct amvdec_core *core = video_drvdata(file);
+ struct device *dev = core->dev;
+ const struct amvdec_format *formats = core->platform->formats;
+ struct amvdec_session *sess;
+ int ret;
+
+ sess = kzalloc(sizeof(*sess), GFP_KERNEL);
+ if (!sess)
+ return -ENOMEM;
+
+ sess->core = core;
+
+ sess->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops);
+ if (IS_ERR(sess->m2m_dev)) {
+ dev_err(dev, "Fail to v4l2_m2m_init\n");
+ ret = PTR_ERR(sess->m2m_dev);
+ goto err_free_sess;
+ }
+
+ sess->m2m_ctx = v4l2_m2m_ctx_init(sess->m2m_dev, sess, m2m_queue_init);
+ if (IS_ERR(sess->m2m_ctx)) {
+ dev_err(dev, "Fail to v4l2_m2m_ctx_init\n");
+ ret = PTR_ERR(sess->m2m_ctx);
+ goto err_m2m_release;
+ }
+
+ ret = vdec_init_ctrls(sess);
+ if (ret)
+ goto err_m2m_release;
+
+ sess->pixfmt_cap = formats[0].pixfmts_cap[0];
+ sess->fmt_out = &formats[0];
+ sess->width = 1280;
+ sess->height = 720;
+ sess->pixelaspect.numerator = 1;
+ sess->pixelaspect.denominator = 1;
+ sess->src_buffer_size = SZ_1M;
+
+ INIT_LIST_HEAD(&sess->timestamps);
+ INIT_LIST_HEAD(&sess->bufs_recycle);
+ INIT_WORK(&sess->esparser_queue_work, esparser_queue_all_src);
+ mutex_init(&sess->lock);
+ mutex_init(&sess->bufs_recycle_lock);
+ spin_lock_init(&sess->ts_spinlock);
+
+ v4l2_fh_init(&sess->fh, core->vdev_dec);
+ sess->fh.ctrl_handler = &sess->ctrl_handler;
+ v4l2_fh_add(&sess->fh);
+ sess->fh.m2m_ctx = sess->m2m_ctx;
+ file->private_data = &sess->fh;
+
+ return 0;
+
+err_m2m_release:
+ v4l2_m2m_release(sess->m2m_dev);
+err_free_sess:
+ kfree(sess);
+ return ret;
+}
+
+static int vdec_close(struct file *file)
+{
+ struct amvdec_session *sess =
+ container_of(file->private_data, struct amvdec_session, fh);
+
+ v4l2_m2m_ctx_release(sess->m2m_ctx);
+ v4l2_m2m_release(sess->m2m_dev);
+ v4l2_fh_del(&sess->fh);
+ v4l2_fh_exit(&sess->fh);
+
+ mutex_destroy(&sess->lock);
+ mutex_destroy(&sess->bufs_recycle_lock);
+
+ kfree(sess);
+
+ return 0;
+}
+
+static const struct v4l2_file_operations vdec_fops = {
+ .owner = THIS_MODULE,
+ .open = vdec_open,
+ .release = vdec_close,
+ .unlocked_ioctl = video_ioctl2,
+ .poll = v4l2_m2m_fop_poll,
+ .mmap = v4l2_m2m_fop_mmap,
+};
+
+static irqreturn_t vdec_isr(int irq, void *data)
+{
+ struct amvdec_core *core = data;
+ struct amvdec_session *sess = core->cur_sess;
+
+ sess->last_irq_jiffies = get_jiffies_64();
+
+ return sess->fmt_out->codec_ops->isr(sess);
+}
+
+static irqreturn_t vdec_threaded_isr(int irq, void *data)
+{
+ struct amvdec_core *core = data;
+ struct amvdec_session *sess = core->cur_sess;
+
+ return sess->fmt_out->codec_ops->threaded_isr(sess);
+}
+
+static const struct of_device_id vdec_dt_match[] = {
+ { .compatible = "amlogic,gxbb-vdec",
+ .data = &vdec_platform_gxbb },
+ { .compatible = "amlogic,gxm-vdec",
+ .data = &vdec_platform_gxm },
+ { .compatible = "amlogic,gxl-vdec",
+ .data = &vdec_platform_gxl },
+ { .compatible = "amlogic,g12a-vdec",
+ .data = &vdec_platform_g12a },
+ { .compatible = "amlogic,sm1-vdec",
+ .data = &vdec_platform_sm1 },
+ {}
+};
+MODULE_DEVICE_TABLE(of, vdec_dt_match);
+
+static int vdec_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct video_device *vdev;
+ struct amvdec_core *core;
+ const struct of_device_id *of_id;
+ int irq;
+ int ret;
+
+ core = devm_kzalloc(dev, sizeof(*core), GFP_KERNEL);
+ if (!core)
+ return -ENOMEM;
+
+ core->dev = dev;
+ platform_set_drvdata(pdev, core);
+
+ core->dos_base = devm_platform_ioremap_resource_byname(pdev, "dos");
+ if (IS_ERR(core->dos_base))
+ return PTR_ERR(core->dos_base);
+
+ core->esparser_base = devm_platform_ioremap_resource_byname(pdev, "esparser");
+ if (IS_ERR(core->esparser_base))
+ return PTR_ERR(core->esparser_base);
+
+ core->regmap_ao =
+ syscon_regmap_lookup_by_phandle(dev->of_node,
+ "amlogic,ao-sysctrl");
+ if (IS_ERR(core->regmap_ao)) {
+ dev_err(dev, "Couldn't regmap AO sysctrl\n");
+ return PTR_ERR(core->regmap_ao);
+ }
+
+ core->canvas = meson_canvas_get(dev);
+ if (IS_ERR(core->canvas))
+ return PTR_ERR(core->canvas);
+
+ of_id = of_match_node(vdec_dt_match, dev->of_node);
+ core->platform = of_id->data;
+
+ if (core->platform->revision == VDEC_REVISION_G12A ||
+ core->platform->revision == VDEC_REVISION_SM1) {
+ core->vdec_hevcf_clk = devm_clk_get(dev, "vdec_hevcf");
+ if (IS_ERR(core->vdec_hevcf_clk))
+ return -EPROBE_DEFER;
+ }
+
+ core->dos_parser_clk = devm_clk_get(dev, "dos_parser");
+ if (IS_ERR(core->dos_parser_clk))
+ return -EPROBE_DEFER;
+
+ core->dos_clk = devm_clk_get(dev, "dos");
+ if (IS_ERR(core->dos_clk))
+ return -EPROBE_DEFER;
+
+ core->vdec_1_clk = devm_clk_get(dev, "vdec_1");
+ if (IS_ERR(core->vdec_1_clk))
+ return -EPROBE_DEFER;
+
+ core->vdec_hevc_clk = devm_clk_get(dev, "vdec_hevc");
+ if (IS_ERR(core->vdec_hevc_clk))
+ return -EPROBE_DEFER;
+
+ irq = platform_get_irq_byname(pdev, "vdec");
+ if (irq < 0)
+ return irq;
+
+ ret = devm_request_threaded_irq(core->dev, irq, vdec_isr,
+ vdec_threaded_isr, IRQF_ONESHOT,
+ "vdec", core);
+ if (ret)
+ return ret;
+
+ ret = esparser_init(pdev, core);
+ if (ret)
+ return ret;
+
+ ret = v4l2_device_register(dev, &core->v4l2_dev);
+ if (ret) {
+ dev_err(dev, "Couldn't register v4l2 device\n");
+ return -ENOMEM;
+ }
+
+ vdev = video_device_alloc();
+ if (!vdev) {
+ ret = -ENOMEM;
+ goto err_vdev_release;
+ }
+
+ core->vdev_dec = vdev;
+ core->dev_dec = dev;
+ mutex_init(&core->lock);
+
+ strscpy(vdev->name, "meson-video-decoder", sizeof(vdev->name));
+ vdev->release = video_device_release;
+ vdev->fops = &vdec_fops;
+ vdev->ioctl_ops = &vdec_ioctl_ops;
+ vdev->vfl_dir = VFL_DIR_M2M;
+ vdev->v4l2_dev = &core->v4l2_dev;
+ vdev->lock = &core->lock;
+ vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+
+ video_set_drvdata(vdev, core);
+
+ ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
+ if (ret) {
+ dev_err(dev, "Failed registering video device\n");
+ goto err_vdev_release;
+ }
+
+ return 0;
+
+err_vdev_release:
+ video_device_release(vdev);
+ v4l2_device_unregister(&core->v4l2_dev);
+ return ret;
+}
+
+static int vdec_remove(struct platform_device *pdev)
+{
+ struct amvdec_core *core = platform_get_drvdata(pdev);
+
+ video_unregister_device(core->vdev_dec);
+ v4l2_device_unregister(&core->v4l2_dev);
+
+ return 0;
+}
+
+static struct platform_driver meson_vdec_driver = {
+ .probe = vdec_probe,
+ .remove = vdec_remove,
+ .driver = {
+ .name = "meson-vdec",
+ .of_match_table = vdec_dt_match,
+ },
+};
+module_platform_driver(meson_vdec_driver);
+
+MODULE_DESCRIPTION("Meson video decoder driver for GXBB/GXL/GXM/G12/SM1");
+MODULE_AUTHOR("Maxime Jourdan <mjourdan@baylibre.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/media/meson/vdec/vdec.h b/drivers/staging/media/meson/vdec/vdec.h
new file mode 100644
index 000000000..0906b8fb5
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec.h
@@ -0,0 +1,288 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_CORE_H_
+#define __MESON_VDEC_CORE_H_
+
+#include <linux/irqreturn.h>
+#include <linux/regmap.h>
+#include <linux/list.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <linux/soc/amlogic/meson-canvas.h>
+
+#include "vdec_platform.h"
+
+/* 32 buffers in 3-plane YUV420 */
+#define MAX_CANVAS (32 * 3)
+
+struct amvdec_buffer {
+ struct list_head list;
+ struct vb2_buffer *vb;
+};
+
+/**
+ * struct amvdec_timestamp - stores a src timestamp along with a VIFIFO offset
+ *
+ * @list: used to make lists out of this struct
+ * @tc: timecode from the v4l2 buffer
+ * @ts: timestamp from the VB2 buffer
+ * @offset: offset in the VIFIFO where the associated packet was written
+ * @flags: flags from the v4l2 buffer
+ * @used_count: times this timestamp was checked for a match with a dst buffer
+ */
+struct amvdec_timestamp {
+ struct list_head list;
+ struct v4l2_timecode tc;
+ u64 ts;
+ u32 offset;
+ u32 flags;
+ u32 used_count;
+};
+
+struct amvdec_session;
+
+/**
+ * struct amvdec_core - device parameters, singleton
+ *
+ * @dos_base: DOS memory base address
+ * @esparser_base: PARSER memory base address
+ * @regmap_ao: regmap for the AO bus
+ * @dev: core device
+ * @dev_dec: decoder device
+ * @platform: platform-specific data
+ * @canvas: canvas provider reference
+ * @dos_parser_clk: DOS_PARSER clock
+ * @dos_clk: DOS clock
+ * @vdec_1_clk: VDEC_1 clock
+ * @vdec_hevc_clk: VDEC_HEVC clock
+ * @vdec_hevcf_clk: VDEC_HEVCF clock
+ * @esparser_reset: RESET for the PARSER
+ * @vdev_dec: video device for the decoder
+ * @v4l2_dev: v4l2 device
+ * @cur_sess: current decoding session
+ * @lock: video device lock
+ */
+struct amvdec_core {
+ void __iomem *dos_base;
+ void __iomem *esparser_base;
+ struct regmap *regmap_ao;
+
+ struct device *dev;
+ struct device *dev_dec;
+ const struct vdec_platform *platform;
+
+ struct meson_canvas *canvas;
+
+ struct clk *dos_parser_clk;
+ struct clk *dos_clk;
+ struct clk *vdec_1_clk;
+ struct clk *vdec_hevc_clk;
+ struct clk *vdec_hevcf_clk;
+
+ struct reset_control *esparser_reset;
+
+ struct video_device *vdev_dec;
+ struct v4l2_device v4l2_dev;
+
+ struct amvdec_session *cur_sess;
+ struct mutex lock;
+};
+
+/**
+ * struct amvdec_ops - vdec operations
+ *
+ * @start: mandatory call when the vdec needs to initialize
+ * @stop: mandatory call when the vdec needs to stop
+ * @conf_esparser: mandatory call to let the vdec configure the ESPARSER
+ * @vififo_level: mandatory call to get the current amount of data
+ * in the VIFIFO
+ * @use_offsets: mandatory call. Returns 1 if the VDEC supports vififo offsets
+ */
+struct amvdec_ops {
+ int (*start)(struct amvdec_session *sess);
+ int (*stop)(struct amvdec_session *sess);
+ void (*conf_esparser)(struct amvdec_session *sess);
+ u32 (*vififo_level)(struct amvdec_session *sess);
+};
+
+/**
+ * struct amvdec_codec_ops - codec operations
+ *
+ * @start: mandatory call when the codec needs to initialize
+ * @stop: mandatory call when the codec needs to stop
+ * @load_extended_firmware: optional call to load additional firmware bits
+ * @num_pending_bufs: optional call to get the number of dst buffers on hold
+ * @can_recycle: optional call to know if the codec is ready to recycle
+ * a dst buffer
+ * @recycle: optional call to tell the codec to recycle a dst buffer. Must go
+ * in pair with @can_recycle
+ * @drain: optional call if the codec has a custom way of draining
+ * @resume: optional call to resume after a resolution change
+ * @eos_sequence: optional call to get an end sequence to send to esparser
+ * for flush. Mutually exclusive with @drain.
+ * @isr: mandatory call when the ISR triggers
+ * @threaded_isr: mandatory call for the threaded ISR
+ */
+struct amvdec_codec_ops {
+ int (*start)(struct amvdec_session *sess);
+ int (*stop)(struct amvdec_session *sess);
+ int (*load_extended_firmware)(struct amvdec_session *sess,
+ const u8 *data, u32 len);
+ u32 (*num_pending_bufs)(struct amvdec_session *sess);
+ int (*can_recycle)(struct amvdec_core *core);
+ void (*recycle)(struct amvdec_core *core, u32 buf_idx);
+ void (*drain)(struct amvdec_session *sess);
+ void (*resume)(struct amvdec_session *sess);
+ const u8 * (*eos_sequence)(u32 *len);
+ irqreturn_t (*isr)(struct amvdec_session *sess);
+ irqreturn_t (*threaded_isr)(struct amvdec_session *sess);
+};
+
+/**
+ * struct amvdec_format - describes one of the OUTPUT (src) format supported
+ *
+ * @pixfmt: V4L2 pixel format
+ * @min_buffers: minimum amount of CAPTURE (dst) buffers
+ * @max_buffers: maximum amount of CAPTURE (dst) buffers
+ * @max_width: maximum picture width supported
+ * @max_height: maximum picture height supported
+ * @flags: enum flags associated with this pixfmt
+ * @vdec_ops: the VDEC operations that support this format
+ * @codec_ops: the codec operations that support this format
+ * @firmware_path: Path to the firmware that supports this format
+ * @pixfmts_cap: list of CAPTURE pixel formats available with pixfmt
+ */
+struct amvdec_format {
+ u32 pixfmt;
+ u32 min_buffers;
+ u32 max_buffers;
+ u32 max_width;
+ u32 max_height;
+ u32 flags;
+
+ struct amvdec_ops *vdec_ops;
+ struct amvdec_codec_ops *codec_ops;
+
+ char *firmware_path;
+ u32 pixfmts_cap[4];
+};
+
+enum amvdec_status {
+ STATUS_STOPPED,
+ STATUS_INIT,
+ STATUS_RUNNING,
+ STATUS_NEEDS_RESUME,
+};
+
+/**
+ * struct amvdec_session - decoding session parameters
+ *
+ * @core: reference to the vdec core struct
+ * @fh: v4l2 file handle
+ * @m2m_dev: v4l2 m2m device
+ * @m2m_ctx: v4l2 m2m context
+ * @ctrl_handler: V4L2 control handler
+ * @ctrl_min_buf_capture: V4L2 control V4L2_CID_MIN_BUFFERS_FOR_CAPTURE
+ * @lock: cap & out queues lock
+ * @fmt_out: vdec pixel format for the OUTPUT queue
+ * @pixfmt_cap: V4L2 pixel format for the CAPTURE queue
+ * @src_buffer_size: size in bytes of the OUTPUT buffers' only plane
+ * @width: current picture width
+ * @height: current picture height
+ * @colorspace: current colorspace
+ * @ycbcr_enc: current ycbcr_enc
+ * @quantization: current quantization
+ * @xfer_func: current transfer function
+ * @pixelaspect: Pixel Aspect Ratio reported by the decoder
+ * @esparser_queued_bufs: number of buffers currently queued into ESPARSER
+ * @esparser_queue_work: work struct for the ESPARSER to process src buffers
+ * @streamon_cap: stream on flag for capture queue
+ * @streamon_out: stream on flag for output queue
+ * @sequence_cap: capture sequence counter
+ * @sequence_out: output sequence counter
+ * @should_stop: flag set if userspace signaled EOS via command
+ * or empty buffer
+ * @keyframe_found: flag set once a keyframe has been parsed
+ * @num_dst_bufs: number of destination buffers
+ * @changed_format: the format changed
+ * @canvas_alloc: array of all the canvas IDs allocated
+ * @canvas_num: number of canvas IDs allocated
+ * @vififo_vaddr: virtual address for the VIFIFO
+ * @vififo_paddr: physical address for the VIFIFO
+ * @vififo_size: size of the VIFIFO dma alloc
+ * @bufs_recycle: list of buffers that need to be recycled
+ * @bufs_recycle_lock: lock for the bufs_recycle list
+ * @recycle_thread: task struct for the recycling thread
+ * @timestamps: chronological list of src timestamps
+ * @ts_spinlock: spinlock for the timestamps list
+ * @last_irq_jiffies: tracks last time the vdec triggered an IRQ
+ * @last_offset: tracks last offset of vififo
+ * @wrap_count: number of times the vififo wrapped around
+ * @fw_idx_to_vb2_idx: firmware buffer index to vb2 buffer index
+ * @status: current decoding status
+ * @priv: codec private data
+ */
+struct amvdec_session {
+ struct amvdec_core *core;
+
+ struct v4l2_fh fh;
+ struct v4l2_m2m_dev *m2m_dev;
+ struct v4l2_m2m_ctx *m2m_ctx;
+ struct v4l2_ctrl_handler ctrl_handler;
+ struct v4l2_ctrl *ctrl_min_buf_capture;
+ struct mutex lock;
+
+ const struct amvdec_format *fmt_out;
+ u32 pixfmt_cap;
+ u32 src_buffer_size;
+
+ u32 width;
+ u32 height;
+ u32 colorspace;
+ u8 ycbcr_enc;
+ u8 quantization;
+ u8 xfer_func;
+
+ struct v4l2_fract pixelaspect;
+
+ atomic_t esparser_queued_bufs;
+ struct work_struct esparser_queue_work;
+
+ unsigned int streamon_cap, streamon_out;
+ unsigned int sequence_cap, sequence_out;
+ unsigned int should_stop;
+ unsigned int keyframe_found;
+ unsigned int num_dst_bufs;
+ unsigned int changed_format;
+
+ u8 canvas_alloc[MAX_CANVAS];
+ u32 canvas_num;
+
+ void *vififo_vaddr;
+ dma_addr_t vififo_paddr;
+ u32 vififo_size;
+
+ struct list_head bufs_recycle;
+ struct mutex bufs_recycle_lock; /* bufs_recycle list lock */
+ struct task_struct *recycle_thread;
+
+ struct list_head timestamps;
+ spinlock_t ts_spinlock; /* timestamp list lock */
+
+ u64 last_irq_jiffies;
+ u32 last_offset;
+ u32 wrap_count;
+ u32 fw_idx_to_vb2_idx[32];
+
+ enum amvdec_status status;
+ void *priv;
+};
+
+u32 amvdec_get_output_size(struct amvdec_session *sess);
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/vdec_1.c b/drivers/staging/media/meson/vdec/vdec_1.c
new file mode 100644
index 000000000..3fe2de0c9
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_1.c
@@ -0,0 +1,247 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ *
+ * VDEC_1 is a video decoding block that allows decoding of
+ * MPEG 1/2/4, H.263, H.264, MJPEG, VC1
+ */
+
+#include <linux/firmware.h>
+#include <linux/clk.h>
+
+#include "vdec_1.h"
+#include "vdec_helpers.h"
+#include "dos_regs.h"
+
+/* AO Registers */
+#define AO_RTI_GEN_PWR_SLEEP0 0xe8
+#define AO_RTI_GEN_PWR_ISO0 0xec
+ #define GEN_PWR_VDEC_1 (BIT(3) | BIT(2))
+ #define GEN_PWR_VDEC_1_SM1 (BIT(1))
+
+#define MC_SIZE (4096 * 4)
+
+static int
+vdec_1_load_firmware(struct amvdec_session *sess, const char *fwname)
+{
+ const struct firmware *fw;
+ struct amvdec_core *core = sess->core;
+ struct device *dev = core->dev_dec;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+ static void *mc_addr;
+ static dma_addr_t mc_addr_map;
+ int ret;
+ u32 i = 1000;
+
+ ret = request_firmware(&fw, fwname, dev);
+ if (ret < 0)
+ return -EINVAL;
+
+ if (fw->size < MC_SIZE) {
+ dev_err(dev, "Firmware size %zu is too small. Expected %u.\n",
+ fw->size, MC_SIZE);
+ ret = -EINVAL;
+ goto release_firmware;
+ }
+
+ mc_addr = dma_alloc_coherent(core->dev, MC_SIZE,
+ &mc_addr_map, GFP_KERNEL);
+ if (!mc_addr) {
+ ret = -ENOMEM;
+ goto release_firmware;
+ }
+
+ memcpy(mc_addr, fw->data, MC_SIZE);
+
+ amvdec_write_dos(core, MPSR, 0);
+ amvdec_write_dos(core, CPSR, 0);
+
+ amvdec_clear_dos_bits(core, MDEC_PIC_DC_CTRL, BIT(31));
+
+ amvdec_write_dos(core, IMEM_DMA_ADR, mc_addr_map);
+ amvdec_write_dos(core, IMEM_DMA_COUNT, MC_SIZE / 4);
+ amvdec_write_dos(core, IMEM_DMA_CTRL, (0x8000 | (7 << 16)));
+
+ while (--i && amvdec_read_dos(core, IMEM_DMA_CTRL) & 0x8000);
+
+ if (i == 0) {
+ dev_err(dev, "Firmware load fail (DMA hang?)\n");
+ ret = -EINVAL;
+ goto free_mc;
+ }
+
+ if (codec_ops->load_extended_firmware)
+ ret = codec_ops->load_extended_firmware(sess,
+ fw->data + MC_SIZE,
+ fw->size - MC_SIZE);
+
+free_mc:
+ dma_free_coherent(core->dev, MC_SIZE, mc_addr, mc_addr_map);
+release_firmware:
+ release_firmware(fw);
+ return ret;
+}
+
+static int vdec_1_stbuf_power_up(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_CONTROL, 0);
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_WRAP_COUNT, 0);
+ amvdec_write_dos(core, POWER_CTL_VLD, BIT(4));
+
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_START_PTR, sess->vififo_paddr);
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_CURR_PTR, sess->vififo_paddr);
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_END_PTR,
+ sess->vififo_paddr + sess->vififo_size - 8);
+
+ amvdec_write_dos_bits(core, VLD_MEM_VIFIFO_CONTROL, 1);
+ amvdec_clear_dos_bits(core, VLD_MEM_VIFIFO_CONTROL, 1);
+
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_BUF_CNTL, MEM_BUFCTRL_MANUAL);
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_WP, sess->vififo_paddr);
+
+ amvdec_write_dos_bits(core, VLD_MEM_VIFIFO_BUF_CNTL, 1);
+ amvdec_clear_dos_bits(core, VLD_MEM_VIFIFO_BUF_CNTL, 1);
+
+ amvdec_write_dos_bits(core, VLD_MEM_VIFIFO_CONTROL,
+ (0x11 << MEM_FIFO_CNT_BIT) | MEM_FILL_ON_LEVEL |
+ MEM_CTRL_FILL_EN | MEM_CTRL_EMPTY_EN);
+
+ return 0;
+}
+
+static void vdec_1_conf_esparser(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+
+ /* VDEC_1 specific ESPARSER stuff */
+ amvdec_write_dos(core, DOS_GEN_CTRL0, 0);
+ amvdec_write_dos(core, VLD_MEM_VIFIFO_BUF_CNTL, 1);
+ amvdec_clear_dos_bits(core, VLD_MEM_VIFIFO_BUF_CNTL, 1);
+}
+
+static u32 vdec_1_vififo_level(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+
+ return amvdec_read_dos(core, VLD_MEM_VIFIFO_LEVEL);
+}
+
+static int vdec_1_stop(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+
+ amvdec_write_dos(core, MPSR, 0);
+ amvdec_write_dos(core, CPSR, 0);
+ amvdec_write_dos(core, ASSIST_MBOX1_MASK, 0);
+
+ amvdec_write_dos(core, DOS_SW_RESET0, BIT(12) | BIT(11));
+ amvdec_write_dos(core, DOS_SW_RESET0, 0);
+ amvdec_read_dos(core, DOS_SW_RESET0);
+
+ /* enable vdec1 isolation */
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ GEN_PWR_VDEC_1_SM1, GEN_PWR_VDEC_1_SM1);
+ else
+ regmap_write(core->regmap_ao, AO_RTI_GEN_PWR_ISO0, 0xc0);
+ /* power off vdec1 memories */
+ amvdec_write_dos(core, DOS_MEM_PD_VDEC, 0xffffffff);
+ /* power off vdec1 */
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1_SM1, GEN_PWR_VDEC_1_SM1);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1, GEN_PWR_VDEC_1);
+
+ clk_disable_unprepare(core->vdec_1_clk);
+
+ if (sess->priv)
+ codec_ops->stop(sess);
+
+ return 0;
+}
+
+static int vdec_1_start(struct amvdec_session *sess)
+{
+ int ret;
+ struct amvdec_core *core = sess->core;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+
+ /* Configure the vdec clk to the maximum available */
+ clk_set_rate(core->vdec_1_clk, 666666666);
+ ret = clk_prepare_enable(core->vdec_1_clk);
+ if (ret)
+ return ret;
+
+ /* Enable power for VDEC_1 */
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1_SM1, 0);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_1, 0);
+ usleep_range(10, 20);
+
+ /* Reset VDEC1 */
+ amvdec_write_dos(core, DOS_SW_RESET0, 0xfffffffc);
+ amvdec_write_dos(core, DOS_SW_RESET0, 0x00000000);
+
+ amvdec_write_dos(core, DOS_GCLK_EN0, 0x3ff);
+
+ /* enable VDEC Memories */
+ amvdec_write_dos(core, DOS_MEM_PD_VDEC, 0);
+ /* Remove VDEC1 Isolation */
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ GEN_PWR_VDEC_1_SM1, 0);
+ else
+ regmap_write(core->regmap_ao, AO_RTI_GEN_PWR_ISO0, 0);
+ /* Reset DOS top registers */
+ amvdec_write_dos(core, DOS_VDEC_MCRCC_STALL_CTRL, 0);
+
+ amvdec_write_dos(core, GCLK_EN, 0x3ff);
+ amvdec_clear_dos_bits(core, MDEC_PIC_DC_CTRL, BIT(31));
+
+ vdec_1_stbuf_power_up(sess);
+
+ ret = vdec_1_load_firmware(sess, sess->fmt_out->firmware_path);
+ if (ret)
+ goto stop;
+
+ ret = codec_ops->start(sess);
+ if (ret)
+ goto stop;
+
+ /* Enable IRQ */
+ amvdec_write_dos(core, ASSIST_MBOX1_CLR_REG, 1);
+ amvdec_write_dos(core, ASSIST_MBOX1_MASK, 1);
+
+ /* Enable 2-plane output */
+ if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M)
+ amvdec_write_dos_bits(core, MDEC_PIC_DC_CTRL, BIT(17));
+ else
+ amvdec_clear_dos_bits(core, MDEC_PIC_DC_CTRL, BIT(17));
+
+ /* Enable firmware processor */
+ amvdec_write_dos(core, MPSR, 1);
+ /* Let the firmware settle */
+ usleep_range(10, 20);
+
+ return 0;
+
+stop:
+ vdec_1_stop(sess);
+ return ret;
+}
+
+struct amvdec_ops vdec_1_ops = {
+ .start = vdec_1_start,
+ .stop = vdec_1_stop,
+ .conf_esparser = vdec_1_conf_esparser,
+ .vififo_level = vdec_1_vififo_level,
+};
diff --git a/drivers/staging/media/meson/vdec/vdec_1.h b/drivers/staging/media/meson/vdec/vdec_1.h
new file mode 100644
index 000000000..042d930c4
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_1.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_VDEC_1_H_
+#define __MESON_VDEC_VDEC_1_H_
+
+#include "vdec.h"
+
+extern struct amvdec_ops vdec_1_ops;
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c
new file mode 100644
index 000000000..7d2a75653
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.c
@@ -0,0 +1,480 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#include <linux/gcd.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/v4l2-event.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "vdec_helpers.h"
+
+#define NUM_CANVAS_NV12 2
+#define NUM_CANVAS_YUV420 3
+
+u32 amvdec_read_dos(struct amvdec_core *core, u32 reg)
+{
+ return readl_relaxed(core->dos_base + reg);
+}
+EXPORT_SYMBOL_GPL(amvdec_read_dos);
+
+void amvdec_write_dos(struct amvdec_core *core, u32 reg, u32 val)
+{
+ writel_relaxed(val, core->dos_base + reg);
+}
+EXPORT_SYMBOL_GPL(amvdec_write_dos);
+
+void amvdec_write_dos_bits(struct amvdec_core *core, u32 reg, u32 val)
+{
+ amvdec_write_dos(core, reg, amvdec_read_dos(core, reg) | val);
+}
+EXPORT_SYMBOL_GPL(amvdec_write_dos_bits);
+
+void amvdec_clear_dos_bits(struct amvdec_core *core, u32 reg, u32 val)
+{
+ amvdec_write_dos(core, reg, amvdec_read_dos(core, reg) & ~val);
+}
+EXPORT_SYMBOL_GPL(amvdec_clear_dos_bits);
+
+u32 amvdec_read_parser(struct amvdec_core *core, u32 reg)
+{
+ return readl_relaxed(core->esparser_base + reg);
+}
+EXPORT_SYMBOL_GPL(amvdec_read_parser);
+
+void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val)
+{
+ writel_relaxed(val, core->esparser_base + reg);
+}
+EXPORT_SYMBOL_GPL(amvdec_write_parser);
+
+/* 4 KiB per 64x32 block */
+u32 amvdec_am21c_body_size(u32 width, u32 height)
+{
+ u32 width_64 = ALIGN(width, 64) / 64;
+ u32 height_32 = ALIGN(height, 32) / 32;
+
+ return SZ_4K * width_64 * height_32;
+}
+EXPORT_SYMBOL_GPL(amvdec_am21c_body_size);
+
+/* 32 bytes per 128x64 block */
+u32 amvdec_am21c_head_size(u32 width, u32 height)
+{
+ u32 width_128 = ALIGN(width, 128) / 128;
+ u32 height_64 = ALIGN(height, 64) / 64;
+
+ return 32 * width_128 * height_64;
+}
+EXPORT_SYMBOL_GPL(amvdec_am21c_head_size);
+
+u32 amvdec_am21c_size(u32 width, u32 height)
+{
+ return ALIGN(amvdec_am21c_body_size(width, height) +
+ amvdec_am21c_head_size(width, height), SZ_64K);
+}
+EXPORT_SYMBOL_GPL(amvdec_am21c_size);
+
+static int canvas_alloc(struct amvdec_session *sess, u8 *canvas_id)
+{
+ int ret;
+
+ if (sess->canvas_num >= MAX_CANVAS) {
+ dev_err(sess->core->dev, "Reached max number of canvas\n");
+ return -ENOMEM;
+ }
+
+ ret = meson_canvas_alloc(sess->core->canvas, canvas_id);
+ if (ret)
+ return ret;
+
+ sess->canvas_alloc[sess->canvas_num++] = *canvas_id;
+ return 0;
+}
+
+static int set_canvas_yuv420m(struct amvdec_session *sess,
+ struct vb2_buffer *vb, u32 width,
+ u32 height, u32 reg)
+{
+ struct amvdec_core *core = sess->core;
+ u8 canvas_id[NUM_CANVAS_YUV420]; /* Y U V */
+ dma_addr_t buf_paddr[NUM_CANVAS_YUV420]; /* Y U V */
+ int ret, i;
+
+ for (i = 0; i < NUM_CANVAS_YUV420; ++i) {
+ ret = canvas_alloc(sess, &canvas_id[i]);
+ if (ret)
+ return ret;
+
+ buf_paddr[i] =
+ vb2_dma_contig_plane_dma_addr(vb, i);
+ }
+
+ /* Y plane */
+ meson_canvas_config(core->canvas, canvas_id[0], buf_paddr[0],
+ width, height, MESON_CANVAS_WRAP_NONE,
+ MESON_CANVAS_BLKMODE_LINEAR,
+ MESON_CANVAS_ENDIAN_SWAP64);
+
+ /* U plane */
+ meson_canvas_config(core->canvas, canvas_id[1], buf_paddr[1],
+ width / 2, height / 2, MESON_CANVAS_WRAP_NONE,
+ MESON_CANVAS_BLKMODE_LINEAR,
+ MESON_CANVAS_ENDIAN_SWAP64);
+
+ /* V plane */
+ meson_canvas_config(core->canvas, canvas_id[2], buf_paddr[2],
+ width / 2, height / 2, MESON_CANVAS_WRAP_NONE,
+ MESON_CANVAS_BLKMODE_LINEAR,
+ MESON_CANVAS_ENDIAN_SWAP64);
+
+ amvdec_write_dos(core, reg,
+ ((canvas_id[2]) << 16) |
+ ((canvas_id[1]) << 8) |
+ (canvas_id[0]));
+
+ return 0;
+}
+
+static int set_canvas_nv12m(struct amvdec_session *sess,
+ struct vb2_buffer *vb, u32 width,
+ u32 height, u32 reg)
+{
+ struct amvdec_core *core = sess->core;
+ u8 canvas_id[NUM_CANVAS_NV12]; /* Y U/V */
+ dma_addr_t buf_paddr[NUM_CANVAS_NV12]; /* Y U/V */
+ int ret, i;
+
+ for (i = 0; i < NUM_CANVAS_NV12; ++i) {
+ ret = canvas_alloc(sess, &canvas_id[i]);
+ if (ret)
+ return ret;
+
+ buf_paddr[i] =
+ vb2_dma_contig_plane_dma_addr(vb, i);
+ }
+
+ /* Y plane */
+ meson_canvas_config(core->canvas, canvas_id[0], buf_paddr[0],
+ width, height, MESON_CANVAS_WRAP_NONE,
+ MESON_CANVAS_BLKMODE_LINEAR,
+ MESON_CANVAS_ENDIAN_SWAP64);
+
+ /* U/V plane */
+ meson_canvas_config(core->canvas, canvas_id[1], buf_paddr[1],
+ width, height / 2, MESON_CANVAS_WRAP_NONE,
+ MESON_CANVAS_BLKMODE_LINEAR,
+ MESON_CANVAS_ENDIAN_SWAP64);
+
+ amvdec_write_dos(core, reg,
+ ((canvas_id[1]) << 16) |
+ ((canvas_id[1]) << 8) |
+ (canvas_id[0]));
+
+ return 0;
+}
+
+int amvdec_set_canvases(struct amvdec_session *sess,
+ u32 reg_base[], u32 reg_num[])
+{
+ struct v4l2_m2m_buffer *buf;
+ u32 pixfmt = sess->pixfmt_cap;
+ u32 width = ALIGN(sess->width, 32);
+ u32 height = ALIGN(sess->height, 32);
+ u32 reg_cur;
+ u32 reg_num_cur = 0;
+ u32 reg_base_cur = 0;
+ int i = 0;
+ int ret;
+
+ v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) {
+ if (!reg_base[reg_base_cur])
+ return -EINVAL;
+
+ reg_cur = reg_base[reg_base_cur] + reg_num_cur * 4;
+
+ switch (pixfmt) {
+ case V4L2_PIX_FMT_NV12M:
+ ret = set_canvas_nv12m(sess, &buf->vb.vb2_buf, width,
+ height, reg_cur);
+ if (ret)
+ return ret;
+ break;
+ case V4L2_PIX_FMT_YUV420M:
+ ret = set_canvas_yuv420m(sess, &buf->vb.vb2_buf, width,
+ height, reg_cur);
+ if (ret)
+ return ret;
+ break;
+ default:
+ dev_err(sess->core->dev, "Unsupported pixfmt %08X\n",
+ pixfmt);
+ return -EINVAL;
+ }
+
+ reg_num_cur++;
+ if (reg_num_cur >= reg_num[reg_base_cur]) {
+ reg_base_cur++;
+ reg_num_cur = 0;
+ }
+
+ sess->fw_idx_to_vb2_idx[i++] = buf->vb.vb2_buf.index;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(amvdec_set_canvases);
+
+int amvdec_add_ts(struct amvdec_session *sess, u64 ts,
+ struct v4l2_timecode tc, u32 offset, u32 vbuf_flags)
+{
+ struct amvdec_timestamp *new_ts;
+ unsigned long flags;
+
+ new_ts = kzalloc(sizeof(*new_ts), GFP_KERNEL);
+ if (!new_ts)
+ return -ENOMEM;
+
+ new_ts->ts = ts;
+ new_ts->tc = tc;
+ new_ts->offset = offset;
+ new_ts->flags = vbuf_flags;
+
+ spin_lock_irqsave(&sess->ts_spinlock, flags);
+ list_add_tail(&new_ts->list, &sess->timestamps);
+ spin_unlock_irqrestore(&sess->ts_spinlock, flags);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(amvdec_add_ts);
+
+void amvdec_remove_ts(struct amvdec_session *sess, u64 ts)
+{
+ struct amvdec_timestamp *tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sess->ts_spinlock, flags);
+ list_for_each_entry(tmp, &sess->timestamps, list) {
+ if (tmp->ts == ts) {
+ list_del(&tmp->list);
+ kfree(tmp);
+ goto unlock;
+ }
+ }
+ dev_warn(sess->core->dev_dec,
+ "Couldn't remove buffer with timestamp %llu from list\n", ts);
+
+unlock:
+ spin_unlock_irqrestore(&sess->ts_spinlock, flags);
+}
+EXPORT_SYMBOL_GPL(amvdec_remove_ts);
+
+static void dst_buf_done(struct amvdec_session *sess,
+ struct vb2_v4l2_buffer *vbuf,
+ u32 field, u64 timestamp,
+ struct v4l2_timecode timecode, u32 flags)
+{
+ struct device *dev = sess->core->dev_dec;
+ u32 output_size = amvdec_get_output_size(sess);
+
+ switch (sess->pixfmt_cap) {
+ case V4L2_PIX_FMT_NV12M:
+ vb2_set_plane_payload(&vbuf->vb2_buf, 0, output_size);
+ vb2_set_plane_payload(&vbuf->vb2_buf, 1, output_size / 2);
+ break;
+ case V4L2_PIX_FMT_YUV420M:
+ vb2_set_plane_payload(&vbuf->vb2_buf, 0, output_size);
+ vb2_set_plane_payload(&vbuf->vb2_buf, 1, output_size / 4);
+ vb2_set_plane_payload(&vbuf->vb2_buf, 2, output_size / 4);
+ break;
+ }
+
+ vbuf->vb2_buf.timestamp = timestamp;
+ vbuf->sequence = sess->sequence_cap++;
+ vbuf->flags = flags;
+ vbuf->timecode = timecode;
+
+ if (sess->should_stop &&
+ atomic_read(&sess->esparser_queued_bufs) <= 1) {
+ const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
+
+ dev_dbg(dev, "Signaling EOS, sequence_cap = %u\n",
+ sess->sequence_cap - 1);
+ v4l2_event_queue_fh(&sess->fh, &ev);
+ vbuf->flags |= V4L2_BUF_FLAG_LAST;
+ } else if (sess->status == STATUS_NEEDS_RESUME) {
+ /* Mark LAST for drained show frames during a source change */
+ vbuf->flags |= V4L2_BUF_FLAG_LAST;
+ sess->sequence_cap = 0;
+ } else if (sess->should_stop)
+ dev_dbg(dev, "should_stop, %u bufs remain\n",
+ atomic_read(&sess->esparser_queued_bufs));
+
+ dev_dbg(dev, "Buffer %u done, ts = %llu, flags = %08X\n",
+ vbuf->vb2_buf.index, timestamp, flags);
+ vbuf->field = field;
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
+
+ /* Buffer done probably means the vififo got freed */
+ schedule_work(&sess->esparser_queue_work);
+}
+
+void amvdec_dst_buf_done(struct amvdec_session *sess,
+ struct vb2_v4l2_buffer *vbuf, u32 field)
+{
+ struct device *dev = sess->core->dev_dec;
+ struct amvdec_timestamp *tmp;
+ struct list_head *timestamps = &sess->timestamps;
+ struct v4l2_timecode timecode;
+ u64 timestamp;
+ u32 vbuf_flags;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sess->ts_spinlock, flags);
+ if (list_empty(timestamps)) {
+ dev_err(dev, "Buffer %u done but list is empty\n",
+ vbuf->vb2_buf.index);
+
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+ spin_unlock_irqrestore(&sess->ts_spinlock, flags);
+ return;
+ }
+
+ tmp = list_first_entry(timestamps, struct amvdec_timestamp, list);
+ timestamp = tmp->ts;
+ timecode = tmp->tc;
+ vbuf_flags = tmp->flags;
+ list_del(&tmp->list);
+ kfree(tmp);
+ spin_unlock_irqrestore(&sess->ts_spinlock, flags);
+
+ dst_buf_done(sess, vbuf, field, timestamp, timecode, vbuf_flags);
+ atomic_dec(&sess->esparser_queued_bufs);
+}
+EXPORT_SYMBOL_GPL(amvdec_dst_buf_done);
+
+void amvdec_dst_buf_done_offset(struct amvdec_session *sess,
+ struct vb2_v4l2_buffer *vbuf,
+ u32 offset, u32 field, bool allow_drop)
+{
+ struct device *dev = sess->core->dev_dec;
+ struct amvdec_timestamp *match = NULL;
+ struct amvdec_timestamp *tmp, *n;
+ struct v4l2_timecode timecode = { 0 };
+ u64 timestamp = 0;
+ u32 vbuf_flags = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&sess->ts_spinlock, flags);
+
+ /* Look for our vififo offset to get the corresponding timestamp. */
+ list_for_each_entry_safe(tmp, n, &sess->timestamps, list) {
+ if (tmp->offset > offset) {
+ /*
+ * Delete any record that remained unused for 32 match
+ * checks
+ */
+ if (tmp->used_count++ >= 32) {
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+ break;
+ }
+
+ match = tmp;
+ }
+
+ if (!match) {
+ dev_err(dev, "Buffer %u done but can't match offset (%08X)\n",
+ vbuf->vb2_buf.index, offset);
+ } else {
+ timestamp = match->ts;
+ timecode = match->tc;
+ vbuf_flags = match->flags;
+ list_del(&match->list);
+ kfree(match);
+ }
+ spin_unlock_irqrestore(&sess->ts_spinlock, flags);
+
+ dst_buf_done(sess, vbuf, field, timestamp, timecode, vbuf_flags);
+ if (match)
+ atomic_dec(&sess->esparser_queued_bufs);
+}
+EXPORT_SYMBOL_GPL(amvdec_dst_buf_done_offset);
+
+void amvdec_dst_buf_done_idx(struct amvdec_session *sess,
+ u32 buf_idx, u32 offset, u32 field)
+{
+ struct vb2_v4l2_buffer *vbuf;
+ struct device *dev = sess->core->dev_dec;
+
+ vbuf = v4l2_m2m_dst_buf_remove_by_idx(sess->m2m_ctx,
+ sess->fw_idx_to_vb2_idx[buf_idx]);
+
+ if (!vbuf) {
+ dev_err(dev,
+ "Buffer %u done but it doesn't exist in m2m_ctx\n",
+ buf_idx);
+ return;
+ }
+
+ if (offset != -1)
+ amvdec_dst_buf_done_offset(sess, vbuf, offset, field, true);
+ else
+ amvdec_dst_buf_done(sess, vbuf, field);
+}
+EXPORT_SYMBOL_GPL(amvdec_dst_buf_done_idx);
+
+void amvdec_set_par_from_dar(struct amvdec_session *sess,
+ u32 dar_num, u32 dar_den)
+{
+ u32 div;
+
+ sess->pixelaspect.numerator = sess->height * dar_num;
+ sess->pixelaspect.denominator = sess->width * dar_den;
+ div = gcd(sess->pixelaspect.numerator, sess->pixelaspect.denominator);
+ sess->pixelaspect.numerator /= div;
+ sess->pixelaspect.denominator /= div;
+}
+EXPORT_SYMBOL_GPL(amvdec_set_par_from_dar);
+
+void amvdec_src_change(struct amvdec_session *sess, u32 width,
+ u32 height, u32 dpb_size)
+{
+ static const struct v4l2_event ev = {
+ .type = V4L2_EVENT_SOURCE_CHANGE,
+ .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
+
+ v4l2_ctrl_s_ctrl(sess->ctrl_min_buf_capture, dpb_size);
+
+ /*
+ * Check if the capture queue is already configured well for our
+ * usecase. If so, keep decoding with it and do not send the event
+ */
+ if (sess->streamon_cap &&
+ sess->width == width &&
+ sess->height == height &&
+ dpb_size <= sess->num_dst_bufs) {
+ sess->fmt_out->codec_ops->resume(sess);
+ return;
+ }
+
+ sess->changed_format = 0;
+ sess->width = width;
+ sess->height = height;
+ sess->status = STATUS_NEEDS_RESUME;
+
+ dev_dbg(sess->core->dev, "Res. changed (%ux%u), DPB size %u\n",
+ width, height, dpb_size);
+ v4l2_event_queue_fh(&sess->fh, &ev);
+}
+EXPORT_SYMBOL_GPL(amvdec_src_change);
+
+void amvdec_abort(struct amvdec_session *sess)
+{
+ dev_info(sess->core->dev, "Aborting decoding session!\n");
+ vb2_queue_error(&sess->m2m_ctx->cap_q_ctx.q);
+ vb2_queue_error(&sess->m2m_ctx->out_q_ctx.q);
+}
+EXPORT_SYMBOL_GPL(amvdec_abort);
diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.h b/drivers/staging/media/meson/vdec/vdec_helpers.h
new file mode 100644
index 000000000..4bf3e61d0
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_HELPERS_H_
+#define __MESON_VDEC_HELPERS_H_
+
+#include "vdec.h"
+
+/**
+ * amvdec_set_canvases() - Map VB2 buffers to canvases
+ *
+ * @sess: current session
+ * @reg_base: Registry bases of where to write the canvas indexes
+ * @reg_num: number of contiguous registers after each reg_base (including it)
+ */
+int amvdec_set_canvases(struct amvdec_session *sess,
+ u32 reg_base[], u32 reg_num[]);
+
+/* Helpers to read/write to the various IPs (DOS, PARSER) */
+u32 amvdec_read_dos(struct amvdec_core *core, u32 reg);
+void amvdec_write_dos(struct amvdec_core *core, u32 reg, u32 val);
+void amvdec_write_dos_bits(struct amvdec_core *core, u32 reg, u32 val);
+void amvdec_clear_dos_bits(struct amvdec_core *core, u32 reg, u32 val);
+u32 amvdec_read_parser(struct amvdec_core *core, u32 reg);
+void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val);
+
+u32 amvdec_am21c_body_size(u32 width, u32 height);
+u32 amvdec_am21c_head_size(u32 width, u32 height);
+u32 amvdec_am21c_size(u32 width, u32 height);
+
+/**
+ * amvdec_dst_buf_done_idx() - Signal that a buffer is done decoding
+ *
+ * @sess: current session
+ * @buf_idx: hardware buffer index
+ * @offset: VIFIFO bitstream offset corresponding to the buffer
+ * @field: V4L2 interlaced field
+ */
+void amvdec_dst_buf_done_idx(struct amvdec_session *sess, u32 buf_idx,
+ u32 offset, u32 field);
+void amvdec_dst_buf_done(struct amvdec_session *sess,
+ struct vb2_v4l2_buffer *vbuf, u32 field);
+void amvdec_dst_buf_done_offset(struct amvdec_session *sess,
+ struct vb2_v4l2_buffer *vbuf,
+ u32 offset, u32 field, bool allow_drop);
+
+/**
+ * amvdec_add_ts() - Add a timestamp to the list
+ *
+ * @sess: current session
+ * @ts: timestamp to add
+ * @tc: timecode to add
+ * @offset: offset in the VIFIFO where the associated packet was written
+ * @flags: the vb2_v4l2_buffer flags
+ */
+int amvdec_add_ts(struct amvdec_session *sess, u64 ts,
+ struct v4l2_timecode tc, u32 offset, u32 flags);
+void amvdec_remove_ts(struct amvdec_session *sess, u64 ts);
+
+/**
+ * amvdec_set_par_from_dar() - Set Pixel Aspect Ratio from Display Aspect Ratio
+ *
+ * @sess: current session
+ * @dar_num: numerator of the DAR
+ * @dar_den: denominator of the DAR
+ */
+void amvdec_set_par_from_dar(struct amvdec_session *sess,
+ u32 dar_num, u32 dar_den);
+
+/**
+ * amvdec_src_change() - Notify new resolution/DPB size to the core
+ *
+ * @sess: current session
+ * @width: picture width detected by the hardware
+ * @height: picture height detected by the hardware
+ * @dpb_size: Decoded Picture Buffer size (= amount of buffers for decoding)
+ */
+void amvdec_src_change(struct amvdec_session *sess, u32 width,
+ u32 height, u32 dpb_size);
+
+/**
+ * amvdec_abort() - Abort the current decoding session
+ *
+ * @sess: current session
+ */
+void amvdec_abort(struct amvdec_session *sess);
+#endif
diff --git a/drivers/staging/media/meson/vdec/vdec_hevc.c b/drivers/staging/media/meson/vdec/vdec_hevc.c
new file mode 100644
index 000000000..afced435c
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_hevc.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Maxime Jourdan <maxi.jourdan@wanadoo.fr>
+ *
+ * VDEC_HEVC is a video decoding block that allows decoding of
+ * HEVC, VP9
+ */
+
+#include <linux/firmware.h>
+#include <linux/clk.h>
+
+#include "vdec_1.h"
+#include "vdec_helpers.h"
+#include "vdec_hevc.h"
+#include "hevc_regs.h"
+#include "dos_regs.h"
+
+/* AO Registers */
+#define AO_RTI_GEN_PWR_SLEEP0 0xe8
+#define AO_RTI_GEN_PWR_ISO0 0xec
+ #define GEN_PWR_VDEC_HEVC (BIT(7) | BIT(6))
+ #define GEN_PWR_VDEC_HEVC_SM1 (BIT(2))
+
+#define MC_SIZE (4096 * 4)
+
+static int vdec_hevc_load_firmware(struct amvdec_session *sess,
+ const char *fwname)
+{
+ struct amvdec_core *core = sess->core;
+ struct device *dev = core->dev_dec;
+ const struct firmware *fw;
+ static void *mc_addr;
+ static dma_addr_t mc_addr_map;
+ int ret;
+ u32 i = 100;
+
+ ret = request_firmware(&fw, fwname, dev);
+ if (ret < 0) {
+ dev_err(dev, "Unable to request firmware %s\n", fwname);
+ return ret;
+ }
+
+ if (fw->size < MC_SIZE) {
+ dev_err(dev, "Firmware size %zu is too small. Expected %u.\n",
+ fw->size, MC_SIZE);
+ ret = -EINVAL;
+ goto release_firmware;
+ }
+
+ mc_addr = dma_alloc_coherent(core->dev, MC_SIZE, &mc_addr_map,
+ GFP_KERNEL);
+ if (!mc_addr) {
+ ret = -ENOMEM;
+ goto release_firmware;
+ }
+
+ memcpy(mc_addr, fw->data, MC_SIZE);
+
+ amvdec_write_dos(core, HEVC_MPSR, 0);
+ amvdec_write_dos(core, HEVC_CPSR, 0);
+
+ amvdec_write_dos(core, HEVC_IMEM_DMA_ADR, mc_addr_map);
+ amvdec_write_dos(core, HEVC_IMEM_DMA_COUNT, MC_SIZE / 4);
+ amvdec_write_dos(core, HEVC_IMEM_DMA_CTRL, (0x8000 | (7 << 16)));
+
+ while (i && (readl(core->dos_base + HEVC_IMEM_DMA_CTRL) & 0x8000))
+ i--;
+
+ if (i == 0) {
+ dev_err(dev, "Firmware load fail (DMA hang?)\n");
+ ret = -ENODEV;
+ }
+
+ dma_free_coherent(core->dev, MC_SIZE, mc_addr, mc_addr_map);
+release_firmware:
+ release_firmware(fw);
+ return ret;
+}
+
+static void vdec_hevc_stbuf_init(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+
+ amvdec_write_dos(core, HEVC_STREAM_CONTROL,
+ amvdec_read_dos(core, HEVC_STREAM_CONTROL) & ~1);
+ amvdec_write_dos(core, HEVC_STREAM_START_ADDR, sess->vififo_paddr);
+ amvdec_write_dos(core, HEVC_STREAM_END_ADDR,
+ sess->vififo_paddr + sess->vififo_size);
+ amvdec_write_dos(core, HEVC_STREAM_RD_PTR, sess->vififo_paddr);
+ amvdec_write_dos(core, HEVC_STREAM_WR_PTR, sess->vififo_paddr);
+}
+
+/* VDEC_HEVC specific ESPARSER configuration */
+static void vdec_hevc_conf_esparser(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+
+ /* set vififo_vbuf_rp_sel=>vdec_hevc */
+ amvdec_write_dos(core, DOS_GEN_CTRL0, 3 << 1);
+ amvdec_write_dos(core, HEVC_STREAM_CONTROL,
+ amvdec_read_dos(core, HEVC_STREAM_CONTROL) | BIT(3));
+ amvdec_write_dos(core, HEVC_STREAM_CONTROL,
+ amvdec_read_dos(core, HEVC_STREAM_CONTROL) | 1);
+ amvdec_write_dos(core, HEVC_STREAM_FIFO_CTL,
+ amvdec_read_dos(core, HEVC_STREAM_FIFO_CTL) | BIT(29));
+}
+
+static u32 vdec_hevc_vififo_level(struct amvdec_session *sess)
+{
+ return readl_relaxed(sess->core->dos_base + HEVC_STREAM_LEVEL);
+}
+
+static int vdec_hevc_stop(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+
+ /* Disable interrupt */
+ amvdec_write_dos(core, HEVC_ASSIST_MBOX1_MASK, 0);
+ /* Disable firmware processor */
+ amvdec_write_dos(core, HEVC_MPSR, 0);
+
+ if (sess->priv)
+ codec_ops->stop(sess);
+
+ /* Enable VDEC_HEVC Isolation */
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ GEN_PWR_VDEC_HEVC_SM1,
+ GEN_PWR_VDEC_HEVC_SM1);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ 0xc00, 0xc00);
+
+ /* VDEC_HEVC Memories */
+ amvdec_write_dos(core, DOS_MEM_PD_HEVC, 0xffffffffUL);
+
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_HEVC_SM1,
+ GEN_PWR_VDEC_HEVC_SM1);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_HEVC, GEN_PWR_VDEC_HEVC);
+
+ clk_disable_unprepare(core->vdec_hevc_clk);
+ if (core->platform->revision == VDEC_REVISION_G12A ||
+ core->platform->revision == VDEC_REVISION_SM1)
+ clk_disable_unprepare(core->vdec_hevcf_clk);
+
+ return 0;
+}
+
+static int vdec_hevc_start(struct amvdec_session *sess)
+{
+ int ret;
+ struct amvdec_core *core = sess->core;
+ struct amvdec_codec_ops *codec_ops = sess->fmt_out->codec_ops;
+
+ if (core->platform->revision == VDEC_REVISION_G12A ||
+ core->platform->revision == VDEC_REVISION_SM1) {
+ clk_set_rate(core->vdec_hevcf_clk, 666666666);
+ ret = clk_prepare_enable(core->vdec_hevcf_clk);
+ if (ret)
+ return ret;
+ }
+
+ clk_set_rate(core->vdec_hevc_clk, 666666666);
+ ret = clk_prepare_enable(core->vdec_hevc_clk);
+ if (ret) {
+ if (core->platform->revision == VDEC_REVISION_G12A ||
+ core->platform->revision == VDEC_REVISION_SM1)
+ clk_disable_unprepare(core->vdec_hevcf_clk);
+ return ret;
+ }
+
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_HEVC_SM1, 0);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_SLEEP0,
+ GEN_PWR_VDEC_HEVC, 0);
+ usleep_range(10, 20);
+
+ /* Reset VDEC_HEVC*/
+ amvdec_write_dos(core, DOS_SW_RESET3, 0xffffffff);
+ amvdec_write_dos(core, DOS_SW_RESET3, 0x00000000);
+
+ amvdec_write_dos(core, DOS_GCLK_EN3, 0xffffffff);
+
+ /* VDEC_HEVC Memories */
+ amvdec_write_dos(core, DOS_MEM_PD_HEVC, 0x00000000);
+
+ /* Remove VDEC_HEVC Isolation */
+ if (core->platform->revision == VDEC_REVISION_SM1)
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ GEN_PWR_VDEC_HEVC_SM1, 0);
+ else
+ regmap_update_bits(core->regmap_ao, AO_RTI_GEN_PWR_ISO0,
+ 0xc00, 0);
+
+ amvdec_write_dos(core, DOS_SW_RESET3, 0xffffffff);
+ amvdec_write_dos(core, DOS_SW_RESET3, 0x00000000);
+
+ vdec_hevc_stbuf_init(sess);
+
+ ret = vdec_hevc_load_firmware(sess, sess->fmt_out->firmware_path);
+ if (ret)
+ goto stop;
+
+ ret = codec_ops->start(sess);
+ if (ret)
+ goto stop;
+
+ amvdec_write_dos(core, DOS_SW_RESET3, BIT(12) | BIT(11));
+ amvdec_write_dos(core, DOS_SW_RESET3, 0);
+ amvdec_read_dos(core, DOS_SW_RESET3);
+
+ amvdec_write_dos(core, HEVC_MPSR, 1);
+ /* Let the firmware settle */
+ usleep_range(10, 20);
+
+ return 0;
+
+stop:
+ vdec_hevc_stop(sess);
+ return ret;
+}
+
+struct amvdec_ops vdec_hevc_ops = {
+ .start = vdec_hevc_start,
+ .stop = vdec_hevc_stop,
+ .conf_esparser = vdec_hevc_conf_esparser,
+ .vififo_level = vdec_hevc_vififo_level,
+};
diff --git a/drivers/staging/media/meson/vdec/vdec_hevc.h b/drivers/staging/media/meson/vdec/vdec_hevc.h
new file mode 100644
index 000000000..cd576a73a
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_hevc.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Maxime Jourdan <maxi.jourdan@wanadoo.fr>
+ */
+
+#ifndef __MESON_VDEC_VDEC_HEVC_H_
+#define __MESON_VDEC_VDEC_HEVC_H_
+
+#include "vdec.h"
+
+extern struct amvdec_ops vdec_hevc_ops;
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/vdec_platform.c b/drivers/staging/media/meson/vdec/vdec_platform.c
new file mode 100644
index 000000000..88c9d72e1
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_platform.c
@@ -0,0 +1,282 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#include "vdec_platform.h"
+#include "vdec.h"
+
+#include "vdec_1.h"
+#include "vdec_hevc.h"
+#include "codec_mpeg12.h"
+#include "codec_h264.h"
+#include "codec_vp9.h"
+
+static const struct amvdec_format vdec_formats_gxbb[] = {
+ {
+ .pixfmt = V4L2_PIX_FMT_H264,
+ .min_buffers = 2,
+ .max_buffers = 24,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_h264_ops,
+ .firmware_path = "meson/vdec/gxbb_h264.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG1,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG2,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ },
+};
+
+static const struct amvdec_format vdec_formats_gxl[] = {
+ {
+ .pixfmt = V4L2_PIX_FMT_VP9,
+ .min_buffers = 16,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_hevc_ops,
+ .codec_ops = &codec_vp9_ops,
+ .firmware_path = "meson/vdec/gxl_vp9.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_H264,
+ .min_buffers = 2,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_h264_ops,
+ .firmware_path = "meson/vdec/gxl_h264.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG1,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG2,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ },
+};
+
+static const struct amvdec_format vdec_formats_gxm[] = {
+ {
+ .pixfmt = V4L2_PIX_FMT_VP9,
+ .min_buffers = 16,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_hevc_ops,
+ .codec_ops = &codec_vp9_ops,
+ .firmware_path = "meson/vdec/gxl_vp9.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_H264,
+ .min_buffers = 2,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_h264_ops,
+ .firmware_path = "meson/vdec/gxm_h264.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG1,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG2,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ },
+};
+
+static const struct amvdec_format vdec_formats_g12a[] = {
+ {
+ .pixfmt = V4L2_PIX_FMT_VP9,
+ .min_buffers = 16,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_hevc_ops,
+ .codec_ops = &codec_vp9_ops,
+ .firmware_path = "meson/vdec/g12a_vp9.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_H264,
+ .min_buffers = 2,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_h264_ops,
+ .firmware_path = "meson/vdec/g12a_h264.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG1,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG2,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ },
+};
+
+static const struct amvdec_format vdec_formats_sm1[] = {
+ {
+ .pixfmt = V4L2_PIX_FMT_VP9,
+ .min_buffers = 16,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_hevc_ops,
+ .codec_ops = &codec_vp9_ops,
+ .firmware_path = "meson/vdec/sm1_vp9_mmu.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_H264,
+ .min_buffers = 2,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_h264_ops,
+ .firmware_path = "meson/vdec/g12a_h264.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG1,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_MPEG2,
+ .min_buffers = 8,
+ .max_buffers = 8,
+ .max_width = 1920,
+ .max_height = 1080,
+ .vdec_ops = &vdec_1_ops,
+ .codec_ops = &codec_mpeg12_ops,
+ .firmware_path = "meson/vdec/gxl_mpeg12.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED,
+ },
+};
+
+const struct vdec_platform vdec_platform_gxbb = {
+ .formats = vdec_formats_gxbb,
+ .num_formats = ARRAY_SIZE(vdec_formats_gxbb),
+ .revision = VDEC_REVISION_GXBB,
+};
+
+const struct vdec_platform vdec_platform_gxl = {
+ .formats = vdec_formats_gxl,
+ .num_formats = ARRAY_SIZE(vdec_formats_gxl),
+ .revision = VDEC_REVISION_GXL,
+};
+
+const struct vdec_platform vdec_platform_gxm = {
+ .formats = vdec_formats_gxm,
+ .num_formats = ARRAY_SIZE(vdec_formats_gxm),
+ .revision = VDEC_REVISION_GXM,
+};
+
+const struct vdec_platform vdec_platform_g12a = {
+ .formats = vdec_formats_g12a,
+ .num_formats = ARRAY_SIZE(vdec_formats_g12a),
+ .revision = VDEC_REVISION_G12A,
+};
+
+const struct vdec_platform vdec_platform_sm1 = {
+ .formats = vdec_formats_sm1,
+ .num_formats = ARRAY_SIZE(vdec_formats_sm1),
+ .revision = VDEC_REVISION_SM1,
+};
diff --git a/drivers/staging/media/meson/vdec/vdec_platform.h b/drivers/staging/media/meson/vdec/vdec_platform.h
new file mode 100644
index 000000000..731877a77
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/vdec_platform.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Maxime Jourdan <mjourdan@baylibre.com>
+ */
+
+#ifndef __MESON_VDEC_PLATFORM_H_
+#define __MESON_VDEC_PLATFORM_H_
+
+#include "vdec.h"
+
+struct amvdec_format;
+
+enum vdec_revision {
+ VDEC_REVISION_GXBB,
+ VDEC_REVISION_GXL,
+ VDEC_REVISION_GXM,
+ VDEC_REVISION_G12A,
+ VDEC_REVISION_SM1,
+};
+
+struct vdec_platform {
+ const struct amvdec_format *formats;
+ const u32 num_formats;
+ enum vdec_revision revision;
+};
+
+extern const struct vdec_platform vdec_platform_gxbb;
+extern const struct vdec_platform vdec_platform_gxm;
+extern const struct vdec_platform vdec_platform_gxl;
+extern const struct vdec_platform vdec_platform_g12a;
+extern const struct vdec_platform vdec_platform_sm1;
+
+#endif