[PATCH v2 6/8] [Media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver

From: Tiffany Lin
Date: Fri Dec 11 2015 - 04:57:28 EST

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From: Andrew-CT Chen <andrew-ct.chen@xxxxxxxxxxxx>

Add v4l2 layer encoder driver for MT8173

Signed-off-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
---
drivers/media/platform/Kconfig | 11 +
drivers/media/platform/Makefile | 2 +
drivers/media/platform/mtk-vcodec/Makefile | 8 +
drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 412 +++++
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 1670 ++++++++++++++++++++
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h | 45 +
.../media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 469 ++++++
.../media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 122 ++
.../media/platform/mtk-vcodec/mtk_vcodec_intr.c | 102 ++
.../media/platform/mtk-vcodec/mtk_vcodec_intr.h | 29 +
drivers/media/platform/mtk-vcodec/mtk_vcodec_pm.h | 26 +
.../media/platform/mtk-vcodec/mtk_vcodec_util.c | 106 ++
.../media/platform/mtk-vcodec/mtk_vcodec_util.h | 85 +
drivers/media/platform/mtk-vcodec/venc_drv_base.h | 62 +
drivers/media/platform/mtk-vcodec/venc_drv_if.c | 102 ++
drivers/media/platform/mtk-vcodec/venc_drv_if.h | 174 ++
drivers/media/platform/mtk-vcodec/venc_ipi_msg.h | 212 +++
17 files changed, 3637 insertions(+)
create mode 100644 drivers/media/platform/mtk-vcodec/Makefile
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_pm.h
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h
create mode 100644 drivers/media/platform/mtk-vcodec/venc_drv_base.h
create mode 100644 drivers/media/platform/mtk-vcodec/venc_drv_if.c
create mode 100644 drivers/media/platform/mtk-vcodec/venc_drv_if.h
create mode 100644 drivers/media/platform/mtk-vcodec/venc_ipi_msg.h

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index f3776f5..c80ca5c 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -158,6 +158,17 @@ config VIDEO_MEDIATEK_VPU
codec embedded in new Mediatek's SOCs. It is able
to handle video decoding/encoding in a range of formats.

+config VIDEO_MEDIATEK_VCODEC
+ tristate "Mediatek Video Codec driver"
+ depends on VIDEO_DEV && VIDEO_V4L2
+ depends on ARCH_MEDIATEK || COMPILE_TEST
+ select VIDEOBUF2_DMA_CONTIG
+ select V4L2_MEM2MEM_DEV
+ select MEDIATEK_VPU
+ default n
+ ---help---
+ Mediatek video codec driver for V4L2
+
config VIDEO_MEM2MEM_DEINTERLACE
tristate "Deinterlace support"
depends on VIDEO_DEV && VIDEO_V4L2 && DMA_ENGINE
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index e5b19c6..510e06b 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -57,3 +57,5 @@ obj-$(CONFIG_VIDEO_XILINX) += xilinx/
ccflags-y += -I$(srctree)/drivers/media/i2c

obj-$(CONFIG_VIDEO_MEDIATEK_VPU) += mtk-vpu/
+
+obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec/
diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
new file mode 100644
index 0000000..ce38689
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -0,0 +1,8 @@
+obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk_vcodec_intr.o \
+ mtk_vcodec_util.o \
+ mtk_vcodec_enc_drv.o \
+ mtk_vcodec_enc.o \
+ mtk_vcodec_enc_pm.o \
+ venc_drv_if.o
+
+ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
new file mode 100644
index 0000000..1d6adde
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -0,0 +1,412 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: PC Chen <pc.chen@xxxxxxxxxxxx>
+* Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#ifndef _MTK_VCODEC_DRV_H_
+#define _MTK_VCODEC_DRV_H_
+
+#include <linux/platform_device.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf2-core.h>
+
+#include "mtk_vcodec_util.h"
+
+#define MTK_VCODEC_MAX_INSTANCES 11
+#define MTK_VCODEC_MAX_ENCODER_INSTANCES 3
+
+#define MTK_VCODEC_MAX_FRAME_SIZE 0x800000
+#define MTK_VIDEO_MAX_FRAME 32
+#define MTK_MAX_CTRLS 10
+
+#define MTK_VCODEC_DRV_NAME "mtk_vcodec_drv"
+#define MTK_VCODEC_ENC_NAME "mtk-vcodec-enc"
+
+#define MTK_VENC_IRQ_STATUS_SPS 0x1
+#define MTK_VENC_IRQ_STATUS_PPS 0x2
+#define MTK_VENC_IRQ_STATUS_FRM 0x4
+#define MTK_VENC_IRQ_STATUS_DRAM 0x8
+#define MTK_VENC_IRQ_STATUS_PAUSE 0x10
+#define MTK_VENC_IRQ_STATUS_SWITCH 0x20
+
+#define MTK_VENC_IRQ_STATUS_OFFSET 0x05C
+#define MTK_VENC_IRQ_ACK_OFFSET 0x060
+
+#define MTK_VCODEC_MAX_PLANES 3
+
+#define VDEC_HW_ACTIVE 0x10
+#define VDEC_IRQ_CFG 0x11
+#define VDEC_IRQ_CLR 0x10
+
+#define VDEC_IRQ_CFG_REG 0xa4
+#define NUM_MAX_ALLOC_CTX 4
+#define MTK_V4L2_BENCHMARK 0
+#define WAIT_INTR_TIMEOUT 1000
+
+/**
+ * enum mtk_hw_reg_idx - MTK hw register base index
+ */
+enum mtk_hw_reg_idx {
+ VDEC_SYS,
+ VDEC_MISC,
+ VDEC_LD,
+ VDEC_TOP,
+ VDEC_CM,
+ VDEC_AD,
+ VDEC_AV,
+ VDEC_PP,
+ VDEC_HWD,
+ VDEC_HWQ,
+ VDEC_HWB,
+ VDEC_HWG,
+ NUM_MAX_VDEC_REG_BASE,
+ VENC_SYS = NUM_MAX_VDEC_REG_BASE,
+ VENC_LT_SYS,
+ NUM_MAX_VCODEC_REG_BASE
+};
+
+/**
+ * enum mtk_instance_type - The type of an MTK Vcodec instance.
+ */
+enum mtk_instance_type {
+ MTK_INST_DECODER = 0,
+ MTK_INST_ENCODER = 1,
+};
+
+/**
+ * enum mtk_instance_state - The state of an MTK Vcodec instance.
+ * @MTK_STATE_FREE - default state when instance is created
+ * @MTK_STATE_INIT - vcodec instance is initialized
+ * @MTK_STATE_HEADER - vdec had sps/pps header parsed or venc
+ * had sps/pps header encoded
+ * @MTK_STATE_FLUSH - vdec is flushing. Only used by decoder
+ * @MTK_STATE_RES_CHANGE - vdec detect resolution change.
+ * Only used by decoder
+ * @MTK_STATE_ABORT - vcodec should be aborted
+ */
+enum mtk_instance_state {
+ MTK_STATE_FREE = 0,
+ MTK_STATE_INIT = 1,
+ MTK_STATE_HEADER = 2,
+ MTK_STATE_FLUSH = 3,
+ MTK_STATE_RES_CHANGE = 4,
+ MTK_STATE_ABORT = 5,
+};
+
+/**
+ * struct mtk_param_change - General encoding parameters type
+ */
+enum mtk_encode_param {
+ MTK_ENCODE_PARAM_NONE = 0,
+ MTK_ENCODE_PARAM_BITRATE = (1 << 0),
+ MTK_ENCODE_PARAM_FRAMERATE = (1 << 1),
+ MTK_ENCODE_PARAM_INTRA_PERIOD = (1 << 2),
+ MTK_ENCODE_PARAM_FRAME_TYPE = (1 << 3),
+ MTK_ENCODE_PARAM_SKIP_FRAME = (1 << 4),
+};
+
+/**
+ * enum mtk_fmt_type - Type of the pixelformat
+ * @MTK_FMT_FRAME - mtk vcodec raw frame
+ */
+enum mtk_fmt_type {
+ MTK_FMT_DEC = 0,
+ MTK_FMT_ENC = 1,
+ MTK_FMT_FRAME = 2,
+};
+
+/**
+ * struct mtk_video_fmt - Structure used to store information about pixelformats
+ */
+struct mtk_video_fmt {
+ char *name;
+ u32 fourcc;
+ enum mtk_fmt_type type;
+ u32 num_planes;
+};
+
+/**
+ * struct mtk_codec_framesizes - Structure used to store information about framesizes
+ */
+struct mtk_codec_framesizes {
+ u32 fourcc;
+ struct v4l2_frmsize_stepwise stepwise;
+};
+
+/**
+ * struct mtk_q_type - Type of queue
+ */
+enum mtk_q_type {
+ MTK_Q_DATA_SRC = 0,
+ MTK_Q_DATA_DST = 1,
+};
+
+/**
+ * struct mtk_q_data - Structure used to store information about queue
+ * @colorspace reserved for encoder
+ * @field reserved for encoder
+ */
+struct mtk_q_data {
+ unsigned int width;
+ unsigned int height;
+ enum v4l2_field field;
+ enum v4l2_colorspace colorspace;
+ unsigned int bytesperline[MTK_VCODEC_MAX_PLANES];
+ unsigned int sizeimage[MTK_VCODEC_MAX_PLANES];
+ struct mtk_video_fmt *fmt;
+};
+
+/**
+ * struct mtk_enc_params - General encoding parameters
+ * @bitrate - target bitrate
+ * @num_b_frame - number of b frames between p-frame
+ * @rc_frame - frame based rate control
+ * @rc_mb - macroblock based rate control
+ * @seq_hdr_mode - H.264 sequence header is encoded separately or joined with the first frame
+ * @gop_size - group of picture size, it's used as the intra frame period
+ * @framerate_num - frame rate numerator
+ * @framerate_denom - frame rate denominator
+ * @h264_max_qp - Max value for H.264 quantization parameter
+ * @h264_profile - V4L2 defined H.264 profile
+ * @h264_level - V4L2 defined H.264 level
+ * @force_intra - force/insert intra frame
+ * @skip_frame - encode in skip frame mode that use minimum number of bits
+ */
+struct mtk_enc_params {
+ unsigned int bitrate;
+ unsigned int num_b_frame;
+ unsigned int rc_frame;
+ unsigned int rc_mb;
+ unsigned int seq_hdr_mode;
+ unsigned int gop_size;
+ unsigned int framerate_num;
+ unsigned int framerate_denom;
+ unsigned int h264_max_qp;
+ unsigned int h264_profile;
+ unsigned int h264_level;
+ unsigned int force_intra;
+ unsigned int skip_frame;
+};
+
+/**
+ * struct mtk_vcodec_pm - Power management data structure
+ */
+struct mtk_vcodec_pm {
+ struct clk *vcodecpll;
+ struct clk *univpll_d2;
+ struct clk *clk_cci400_sel;
+ struct clk *vdecpll;
+ struct clk *vdec_sel;
+ struct clk *vencpll;
+ struct clk *venc_lt_sel;
+ struct clk *vcodecpll_370p5_ck;
+ struct device *larbvdec;
+ struct device *larbvenc;
+ struct device *larbvenclt;
+ struct device *dev;
+ struct mtk_vcodec_dev *mtkdev;
+};
+
+
+/**
+ * struct mtk_vcodec_ctx - Context (instance) private data.
+ *
+ * @type: type of the instance - decoder or encoder
+ * @dev: pointer to the mtk_vcodec_dev of the device
+ * @fh: struct v4l2_fh
+ * @m2m_ctx: pointer to the v4l2_m2m_ctx of the context
+ * @q_data: store information of input and output queue
+ * of the context
+ * @idx: index of the context that this structure describes
+ * @state: state of the context
+ * @param_change: encode parameters
+ * @param_change_mutex: mutex for encode parameters
+ * @vb2_mutex: mutex for vb2 queues operation
+ * @enc_params: encoding parameters
+ * @colorspace:
+ * @enc_if: hoooked encoder driver interface
+ * @drv_handle: driver handle for specific decode/encode instance
+ *
+ * @picinfo: store width/height of image and buffer and planes' size for decoder
+ * and encoder
+ * @pb_count: count of the DPB buffers required by MTK Vcodec hw
+ *
+ * @int_cond: variable used by the waitqueue
+ * @int_type: type of the last interrupt
+ * @queue: waitqueue that can be used to wait for this context to
+ * finish
+ * @irq_status: irq status
+ *
+ * @ctrl_hdl: handler for v4l2 framework
+ * @ctrls: array of controls, used when adding controls to the
+ * v4l2 control framework
+ *
+ * @encode_work: worker for the encoding
+ */
+struct mtk_vcodec_ctx {
+ enum mtk_instance_type type;
+ struct mtk_vcodec_dev *dev;
+ struct v4l2_fh fh;
+ struct v4l2_m2m_ctx *m2m_ctx;
+ struct mtk_q_data q_data[2];
+ int idx;
+ enum mtk_instance_state state;
+ enum mtk_encode_param param_change;
+ struct mutex encode_param_mutex;
+ struct mutex vb2_mutex;
+ struct mtk_enc_params enc_params;
+
+ struct venc_common_if *enc_if;
+ unsigned long drv_handle;
+
+
+ int int_cond;
+ int int_type;
+ wait_queue_head_t queue;
+ unsigned int irq_status;
+
+ struct v4l2_ctrl_handler ctrl_hdl;
+ struct v4l2_ctrl *ctrls[MTK_MAX_CTRLS];
+
+ struct work_struct encode_work;
+
+#if MTK_V4L2_BENCHMARK
+ unsigned int total_enc_dec_cnt;
+ unsigned int total_enc_dec_time;
+ unsigned int total_enc_hdr_time;
+ unsigned int total_enc_dec_init_time;
+
+ unsigned int total_qbuf_out_time;
+ unsigned int total_qbuf_cap_time;
+ unsigned int total_qbuf_out_cnt;
+ unsigned int total_qbuf_cap_cnt;
+ unsigned int total_dqbuf_out_time;
+ unsigned int total_dqbuf_cap_time;
+ unsigned int total_dqbuf_out_cnt;
+ unsigned int total_dqbuf_cap_cnt;
+ unsigned int total_dqbuf_cnt;
+ unsigned int total_expbuf_time;
+#endif
+};
+
+/**
+ * struct mtk_vcodec_dev - driver data
+ * @v4l2_dev: V4L2 device to register video devices for.
+ * @vfd_enc: Video device for encoder.
+ *
+ * @m2m_dev_enc: m2m device for encoder.
+ * @plat_dev: platform device
+ * @alloc_ctx: VB2 allocator context
+ * (for allocations without kernel mapping).
+ * @ctx: array of driver contexts
+ *
+ * @curr_ctx: The context that is waiting for codec hardware
+ *
+ * @reg_base: Mapped address of MTK Vcodec registers.
+ *
+ * @instance_mask: used to mark which contexts are opened
+ * @num_instances: counter of active MTK Vcodec instances
+ *
+ * @encode_workqueue: encode work queue
+ *
+ * @int_cond: used to identify interrupt condition happen
+ * @int_type: used to identify what kind of interrupt condition happen
+ * @dev_mutex: video_device lock
+ * @queue: waitqueue for waiting for completion of device commands
+ *
+ * @enc_irq: h264 encoder irq resource
+ * @enc_lt_irq: vp8 encoder irq resource
+ *
+ * @enc_mutex: encoder hardware lock.
+ *
+ * @pm: power management control
+ * @dec_capability: used to identify decode capability, ex: 4k
+ * @enc_capability: used to identify encode capability
+ */
+struct mtk_vcodec_dev {
+ struct v4l2_device v4l2_dev;
+ struct video_device *vfd_enc;
+
+ struct v4l2_m2m_dev *m2m_dev_enc;
+ struct platform_device *plat_dev;
+ struct platform_device *vpu_plat_dev;
+ struct vb2_alloc_ctx *alloc_ctx;
+ struct mtk_vcodec_ctx *ctx[MTK_VCODEC_MAX_INSTANCES];
+ int curr_ctx;
+ void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE];
+
+ unsigned long instance_mask[BITS_TO_LONGS(MTK_VCODEC_MAX_INSTANCES)];
+ int num_instances;
+
+ struct workqueue_struct *encode_workqueue;
+
+ int int_cond;
+ int int_type;
+ struct mutex dev_mutex;
+ wait_queue_head_t queue;
+
+ int enc_irq;
+ int enc_lt_irq;
+
+ struct mutex enc_mutex;
+
+ struct mtk_vcodec_pm pm;
+ unsigned int dec_capability;
+ unsigned int enc_capability;
+};
+
+/**
+ * struct mtk_vcodec_ctrl - information about controls to be registered.
+ * @id: Control ID.
+ * @type: Type of the control.
+ * @name: Human readable name of the control.
+ * @minimum: Minimum value of the control.
+ * @maximum: Maximum value of the control.
+ * @step: Control value increase step.
+ * @menu_skip_mask: Mask of invalid menu positions.
+ * @default_value: Initial value of the control.
+ * @is_volatile: Control is volatile.
+ *
+ * See also struct v4l2_ctrl_config.
+ */
+struct mtk_vcodec_ctrl {
+ u32 id;
+ enum v4l2_ctrl_type type;
+ u8 name[32];
+ s32 minimum;
+ s32 maximum;
+ s32 step;
+ u32 menu_skip_mask;
+ s32 default_value;
+ u8 is_volatile;
+};
+
+static inline struct mtk_vcodec_ctx *fh_to_ctx(struct v4l2_fh *fh)
+{
+ return container_of(fh, struct mtk_vcodec_ctx, fh);
+}
+
+static inline struct mtk_vcodec_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
+{
+ return container_of(ctrl->handler, struct mtk_vcodec_ctx, ctrl_hdl);
+}
+
+extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
+extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
+extern const struct v4l2_ioctl_ops mtk_venc_ioctl_ops;
+extern const struct v4l2_m2m_ops mtk_venc_m2m_ops;
+
+#endif /* _MTK_VCODEC_DRV_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
new file mode 100644
index 0000000..d59064d
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -0,0 +1,1670 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: PC Chen <pc.chen@xxxxxxxxxxxx>
+* Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_enc.h"
+#include "mtk_vcodec_intr.h"
+#include "mtk_vcodec_util.h"
+#include "venc_drv_if.h"
+
+static void mtk_venc_worker(struct work_struct *work);
+
+static struct mtk_video_fmt mtk_video_formats[] = {
+ {
+ .name = "4:2:0 3 Planes Y/Cb/Cr",
+ .fourcc = V4L2_PIX_FMT_YUV420,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 3,
+ },
+ {
+ .name = "4:2:0 3 Planes Y/Cr/Cb",
+ .fourcc = V4L2_PIX_FMT_YVU420,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 3,
+ },
+ {
+ .name = "4:2:0 2 Planes Y/CbCr",
+ .fourcc = V4L2_PIX_FMT_NV12,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 2,
+ },
+ {
+ .name = "4:2:0 2 Planes Y/CrCb",
+ .fourcc = V4L2_PIX_FMT_NV21,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 2,
+ },
+ {
+ .name = "4:2:0 3 none contiguous Planes Y/Cb/Cr",
+ .fourcc = V4L2_PIX_FMT_YUV420M,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 3,
+ },
+ {
+ .name = "4:2:0 3 none contiguous Planes Y/Cr/Cb",
+ .fourcc = V4L2_PIX_FMT_YVU420M,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 3,
+ },
+ {
+ .name = "4:2:0 2 none contiguous Planes Y/CbCr",
+ .fourcc = V4L2_PIX_FMT_NV12M,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 2,
+ },
+ {
+ .name = "4:2:0 2 none contiguous Planes Y/CrCb",
+ .fourcc = V4L2_PIX_FMT_NV21M,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 2,
+ },
+ {
+ .name = "H264 Encoded Stream",
+ .fourcc = V4L2_PIX_FMT_H264,
+ .type = MTK_FMT_ENC,
+ .num_planes = 1,
+ },
+ {
+ .name = "VP8 Encoded Stream",
+ .fourcc = V4L2_PIX_FMT_VP8,
+ .type = MTK_FMT_ENC,
+ .num_planes = 1,
+ },
+};
+
+#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
+
+static struct mtk_vcodec_ctrl controls[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_BITRATE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .minimum = 1,
+ .maximum = (1 << 30) - 1,
+ .step = 1,
+ .default_value = 4000000,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_B_FRAMES,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .minimum = 0,
+ .maximum = 2,
+ .step = 1,
+ .default_value = 0,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .minimum = 0,
+ .maximum = 51,
+ .step = 1,
+ .default_value = 51,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_HEADER_MODE,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .minimum = V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE,
+ .maximum = V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
+ .default_value = V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE,
+ .menu_skip_mask = 0,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .minimum = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE,
+ .maximum = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
+ .default_value = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .minimum = V4L2_MPEG_VIDEO_H264_LEVEL_1_0,
+ .maximum = V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
+ .default_value = V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .minimum = 0,
+ .maximum = (1 << 16) - 1,
+ .step = 1,
+ .default_value = 30,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_GOP_SIZE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .minimum = 0,
+ .maximum = (1 << 16) - 1,
+ .step = 1,
+ .default_value = 30,
+ },
+ {
+ .id = V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .minimum = V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_DISABLED,
+ .maximum = V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_NOT_CODED,
+ .default_value =
+ V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_DISABLED,
+ .menu_skip_mask = 0,
+ },
+ {
+ .id = V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .minimum = V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_DISABLED,
+ .maximum = V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT,
+ .default_value = V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_DISABLED,
+ .menu_skip_mask = 0,
+ },
+};
+
+#define NUM_CTRLS ARRAY_SIZE(controls)
+
+static const struct mtk_codec_framesizes mtk_venc_framesizes[] = {
+ {
+ .fourcc = V4L2_PIX_FMT_H264,
+ .stepwise = { 160, 1920, 16, 128, 1088, 16 },
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_VP8,
+ .stepwise = { 160, 1920, 16, 128, 1088, 16 },
+ },
+};
+
+#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_venc_framesizes)
+
+static int vidioc_venc_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
+ struct mtk_vcodec_dev *dev = ctx->dev;
+ struct mtk_enc_params *p = &ctx->enc_params;
+ int ret = 0;
+
+ mtk_v4l2_debug(1, "[%d] id = %d/%d, val = %d", ctrl->id,
+ ctx->idx, ctrl->id - V4L2_CID_MPEG_BASE, ctrl->val);
+
+ switch (ctrl->id) {
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
+
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_BITRATE val = %d",
+ ctrl->val);
+ p->bitrate = ctrl->val;
+ ctx->param_change |= MTK_ENCODE_PARAM_BITRATE;
+ break;
+ case V4L2_CID_MPEG_VIDEO_B_FRAMES:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_B_FRAMES val = %d",
+ ctrl->val);
+ p->num_b_frame = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE val = %d",
+ ctrl->val);
+ p->rc_frame = ctrl->val;
+ break;
+
+ case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_H264_MAX_QP val = %d",
+ ctrl->val);
+ p->h264_max_qp = ctrl->val;
+ break;
+
+ case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_HEADER_MODE val = %d",
+ ctrl->val);
+ p->seq_hdr_mode = ctrl->val;
+ break;
+
+ case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE val = %d",
+ ctrl->val);
+ p->rc_mb = ctrl->val;
+ break;
+
+ case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_H264_PROFILE val = %d",
+ ctrl->val);
+ p->h264_profile = ctrl->val;
+ break;
+
+ case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_H264_LEVEL val = %d",
+ ctrl->val);
+ p->h264_level = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_H264_I_PERIOD val = %d",
+ ctrl->val);
+ case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_VIDEO_GOP_SIZE val = %d",
+ ctrl->val);
+ p->gop_size = ctrl->val;
+ ctx->param_change |= MTK_ENCODE_PARAM_INTRA_PERIOD;
+ break;
+ case V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE val = %d",
+ ctrl->val);
+ if (ctrl->val ==
+ V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_NOT_CODED) {
+ v4l2_err(&dev->v4l2_dev, "unsupported frame type %x\n",
+ ctrl->val);
+ ret = -EINVAL;
+ break;
+ }
+ if (ctrl->val == V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_I_FRAME)
+ p->force_intra = 1;
+ else if (ctrl->val ==
+ V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_DISABLED)
+ p->force_intra = 0;
+ /* always allow user to insert I frame */
+ ctrl->val = V4L2_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE_DISABLED;
+ ctx->param_change |= MTK_ENCODE_PARAM_FRAME_TYPE;
+ break;
+
+ case V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE:
+ mtk_v4l2_debug(1, "V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE val = %d",
+ ctrl->val);
+ if (ctrl->val == V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_DISABLED)
+ p->skip_frame = 0;
+ else
+ p->skip_frame = 1;
+ /* always allow user to skip frame */
+ ctrl->val = V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_DISABLED;
+ ctx->param_change |= MTK_ENCODE_PARAM_SKIP_FRAME;
+ break;
+
+ default:
+ mtk_v4l2_err("Invalid control, id=%d, val=%d\n",
+ ctrl->id, ctrl->val);
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = {
+ .s_ctrl = vidioc_venc_s_ctrl,
+};
+
+static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
+ bool out)
+{
+ struct mtk_video_fmt *fmt;
+ int i, j = 0;
+
+ for (i = 0; i < NUM_FORMATS; ++i) {
+ if (out && mtk_video_formats[i].type != MTK_FMT_FRAME)
+ continue;
+ else if (!out && mtk_video_formats[i].type != MTK_FMT_ENC)
+ continue;
+
+ if (j == f->index) {
+ fmt = &mtk_video_formats[i];
+ strlcpy(f->description, fmt->name,
+ sizeof(f->description));
+ f->pixelformat = fmt->fourcc;
+ mtk_v4l2_debug(1, "f->index=%d i=%d fmt->name=%s",
+ f->index, i, fmt->name);
+ return 0;
+ }
+ ++j;
+ }
+
+ return -EINVAL;
+}
+
+static int vidioc_enum_framesizes(struct file *file, void *fh,
+ struct v4l2_frmsizeenum *fsize)
+{
+ int i = 0;
+
+ for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) {
+ if (fsize->pixel_format != mtk_venc_framesizes[i].fourcc)
+ continue;
+
+ if (!fsize->index) {
+ fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+ fsize->stepwise = mtk_venc_framesizes[i].stepwise;
+ mtk_v4l2_debug(1, "%d %d %d %d %d %d",
+ fsize->stepwise.min_width,
+ fsize->stepwise.max_width,
+ fsize->stepwise.step_width,
+ fsize->stepwise.min_height,
+ fsize->stepwise.max_height,
+ fsize->stepwise.step_height);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
+ struct v4l2_fmtdesc *f)
+{
+ return vidioc_enum_fmt(file, f, false);
+}
+
+static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov,
+ struct v4l2_fmtdesc *f)
+{
+ return vidioc_enum_fmt(file, f, true);
+}
+
+static int vidioc_venc_streamon(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+ return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
+}
+
+static int vidioc_venc_streamoff(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+ return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
+}
+
+static int vidioc_venc_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *reqbufs)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+ mtk_v4l2_debug(1, "[%d]-> type=%d count=%d",
+ ctx->idx, reqbufs->type, reqbufs->count);
+
+ return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
+}
+
+static int vidioc_venc_querybuf(struct file *file, void *priv,
+ struct v4l2_buffer *buf)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+ return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
+}
+
+static int vidioc_venc_qbuf(struct file *file, void *priv,
+ struct v4l2_buffer *buf)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ int ret;
+#if MTK_V4L2_BENCHMARK
+ struct timeval begin, end;
+
+ do_gettimeofday(&begin);
+#endif
+
+ ret = v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
+
+#if MTK_V4L2_BENCHMARK
+ do_gettimeofday(&end);
+
+ if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ ctx->total_qbuf_cap_cnt++;
+ ctx->total_qbuf_cap_time +=
+ ((end.tv_sec - begin.tv_sec) * 1000000 +
+ end.tv_usec - begin.tv_usec);
+ }
+
+ if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ ctx->total_qbuf_out_cnt++;
+ ctx->total_qbuf_out_time +=
+ ((end.tv_sec - begin.tv_sec) * 1000000 +
+ end.tv_usec - begin.tv_usec);
+ }
+
+#endif
+
+ return ret;
+}
+
+static int vidioc_venc_dqbuf(struct file *file, void *priv,
+ struct v4l2_buffer *buf)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ int ret;
+#if MTK_V4L2_BENCHMARK
+ struct timeval begin, end;
+
+ do_gettimeofday(&begin);
+#endif
+
+ ret = v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
+#if MTK_V4L2_BENCHMARK
+
+ do_gettimeofday(&end);
+ if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ ctx->total_dqbuf_cap_cnt++;
+ ctx->total_dqbuf_cap_time +=
+ ((end.tv_sec - begin.tv_sec) * 1000000 +
+ end.tv_usec - begin.tv_usec);
+ }
+
+ if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ ctx->total_dqbuf_out_cnt++;
+ ctx->total_dqbuf_out_time +=
+ ((end.tv_sec - begin.tv_sec) * 1000000 +
+ end.tv_usec - begin.tv_usec);
+ }
+
+#endif
+ return ret;
+}
+static int vidioc_venc_expbuf(struct file *file, void *priv,
+ struct v4l2_exportbuffer *eb)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ int ret;
+#if MTK_V4L2_BENCHMARK
+ struct timeval begin, end;
+
+ do_gettimeofday(&begin);
+#endif
+
+ ret = v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb);
+
+#if MTK_V4L2_BENCHMARK
+ do_gettimeofday(&end);
+ ctx->total_expbuf_time +=
+ ((end.tv_sec - begin.tv_sec) * 1000000 +
+ end.tv_usec - begin.tv_usec);
+#endif
+ return ret;
+}
+
+static int vidioc_venc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ strncpy(cap->driver, MTK_VCODEC_ENC_NAME, sizeof(cap->driver) - 1);
+ cap->bus_info[0] = 0;
+ cap->version = KERNEL_VERSION(1, 0, 0);
+ /*
+ * This is only a mem-to-mem video device. The capture and output
+ * device capability flags are left only for backward compatibility
+ * and are scheduled for removal.
+ */
+ cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING |
+ V4L2_CAP_VIDEO_CAPTURE_MPLANE |
+ V4L2_CAP_VIDEO_OUTPUT_MPLANE;
+
+ return 0;
+}
+
+static int vidioc_venc_subscribe_event(struct v4l2_fh *fh,
+ const struct v4l2_event_subscription *sub)
+{
+ return v4l2_event_subscribe(fh, sub, 0, NULL);
+}
+
+static int vidioc_venc_s_parm(struct file *file, void *priv,
+ struct v4l2_streamparm *a)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+ if (a->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ ctx->enc_params.framerate_num =
+ a->parm.output.timeperframe.denominator;
+ ctx->enc_params.framerate_denom =
+ a->parm.output.timeperframe.numerator;
+ ctx->param_change |= MTK_ENCODE_PARAM_FRAMERATE;
+
+ mtk_v4l2_debug(1, "framerate = %d/%d",
+ ctx->enc_params.framerate_num,
+ ctx->enc_params.framerate_denom);
+ } else {
+ mtk_v4l2_err("Non support param type %d",
+ a->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx,
+ enum v4l2_buf_type type)
+{
+ if (V4L2_TYPE_IS_OUTPUT(type))
+ return &ctx->q_data[MTK_Q_DATA_SRC];
+ else
+ return &ctx->q_data[MTK_Q_DATA_DST];
+}
+
+static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f)
+{
+ struct mtk_video_fmt *fmt;
+ unsigned int k;
+
+ for (k = 0; k < NUM_FORMATS; k++) {
+ fmt = &mtk_video_formats[k];
+ if (fmt->fourcc == f->fmt.pix.pixelformat)
+ return fmt;
+ }
+
+ return NULL;
+}
+
+static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct mtk_video_fmt *fmt;
+ char str[10];
+ struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
+
+ mtk_vcodec_fmt2str(f->fmt.pix_mp.pixelformat, str);
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ fmt = mtk_venc_find_format(f);
+ if (!fmt) {
+ mtk_v4l2_err("failed to try output format %s\n", str);
+ return -EINVAL;
+ }
+ if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
+ mtk_v4l2_err("must be set encoding output size %s\n",
+ str);
+ return -EINVAL;
+ }
+
+ pix_fmt_mp->plane_fmt[0].bytesperline =
+ pix_fmt_mp->plane_fmt[0].sizeimage;
+ } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ fmt = mtk_venc_find_format(f);
+ if (!fmt) {
+ mtk_v4l2_err("failed to try output format %s\n", str);
+ return -EINVAL;
+ }
+
+ if (fmt->num_planes != pix_fmt_mp->num_planes) {
+ mtk_v4l2_err("failed to try output format %d %d %s\n",
+ fmt->num_planes, pix_fmt_mp->num_planes,
+ str);
+ return -EINVAL;
+ }
+
+ v4l_bound_align_image(&pix_fmt_mp->width, 8, 1920, 1,
+ &pix_fmt_mp->height, 4, 1080, 1, 0);
+ } else {
+ pr_err("invalid buf type %d\n", f->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void mtk_vcodec_enc_calc_src_size(struct mtk_vcodec_ctx *ctx)
+{
+ struct mtk_video_fmt *fmt = ctx->q_data[MTK_Q_DATA_SRC].fmt;
+ struct mtk_q_data *q_data = &ctx->q_data[MTK_Q_DATA_SRC];
+
+ ctx->q_data[MTK_Q_DATA_SRC].sizeimage[0] =
+ ((q_data->width + 15) / 16) *
+ ((q_data->height + 15) / 16) * 256;
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[0] = ALIGN(q_data->width, 16);
+
+ if (fmt->num_planes == 2) {
+ ctx->q_data[MTK_Q_DATA_SRC].sizeimage[1] =
+ ((q_data->width + 15) / 16) *
+ ((q_data->height + 15) / 16) * 128;
+ ctx->q_data[MTK_Q_DATA_SRC].sizeimage[2] = 0;
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[1] =
+ ALIGN(q_data->width, 16);
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[2] = 0;
+ } else {
+ ctx->q_data[MTK_Q_DATA_SRC].sizeimage[1] =
+ ((q_data->width + 15) / 16) *
+ ((q_data->height + 15) / 16) * 64;
+ ctx->q_data[MTK_Q_DATA_SRC].sizeimage[2] =
+ ((q_data->width + 15) / 16) *
+ ((q_data->height + 15) / 16) * 64;
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[1] =
+ ALIGN(q_data->width, 16) / 2;
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[2] =
+ ALIGN(q_data->width, 16) / 2;
+ }
+}
+
+static int vidioc_venc_s_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct mtk_vcodec_dev *dev = video_drvdata(file);
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
+ struct vb2_queue *vq;
+ struct mtk_q_data *q_data;
+ int i, ret;
+
+ ret = vidioc_try_fmt(file, priv, f);
+ if (ret)
+ return ret;
+
+ vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+ if (!vq) {
+ v4l2_err(&dev->v4l2_dev, "fail to get vq\n");
+ return -EINVAL;
+ }
+
+ if (vb2_is_busy(vq)) {
+ v4l2_err(&dev->v4l2_dev, "queue busy\n");
+ return -EBUSY;
+ }
+
+ q_data = mtk_venc_get_q_data(ctx, f->type);
+ if (!q_data) {
+ v4l2_err(&dev->v4l2_dev, "fail to get q data\n");
+ return -EINVAL;
+ }
+
+ q_data->fmt = mtk_venc_find_format(f);
+ if (!q_data->fmt) {
+ v4l2_err(&dev->v4l2_dev, "q data null format\n");
+ return -EINVAL;
+ }
+
+ q_data->width = f->fmt.pix_mp.width;
+ q_data->height = f->fmt.pix_mp.height;
+ q_data->colorspace = f->fmt.pix_mp.colorspace;
+ q_data->field = f->fmt.pix_mp.field;
+
+ for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
+ struct v4l2_plane_pix_format *plane_fmt;
+
+ plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
+ q_data->bytesperline[i] = plane_fmt->bytesperline;
+ q_data->sizeimage[i] = plane_fmt->sizeimage;
+ }
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ q_data->width = f->fmt.pix_mp.width;
+ q_data->height = f->fmt.pix_mp.height;
+
+ mtk_vcodec_enc_calc_src_size(ctx);
+ pix_fmt_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
+ pix_fmt_mp->plane_fmt[0].bytesperline =
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[0];
+ pix_fmt_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
+ pix_fmt_mp->plane_fmt[1].bytesperline =
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[1];
+ pix_fmt_mp->plane_fmt[2].sizeimage = q_data->sizeimage[2];
+ pix_fmt_mp->plane_fmt[2].bytesperline =
+ ctx->q_data[MTK_Q_DATA_SRC].bytesperline[2];
+ }
+
+ mtk_v4l2_debug(1,
+ "[%d]: t=%d wxh=%dx%d fmt=%c%c%c%c sz=0x%x-%x-%x",
+ ctx->idx,
+ f->type,
+ q_data->width, q_data->height,
+ (f->fmt.pix_mp.pixelformat & 0xff),
+ (f->fmt.pix_mp.pixelformat >> 8) & 0xff,
+ (f->fmt.pix_mp.pixelformat >> 16) & 0xff,
+ (f->fmt.pix_mp.pixelformat >> 24) & 0xff,
+ q_data->sizeimage[0],
+ q_data->sizeimage[1],
+ q_data->sizeimage[2]);
+
+ return 0;
+}
+
+static int vidioc_venc_g_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ struct vb2_queue *vq;
+ struct mtk_q_data *q_data;
+ int i;
+
+ vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+ if (!vq)
+ return -EINVAL;
+
+ q_data = mtk_venc_get_q_data(ctx, f->type);
+
+ pix->width = q_data->width;
+ pix->height = q_data->height;
+ pix->pixelformat = q_data->fmt->fourcc;
+ pix->field = q_data->field;
+ pix->colorspace = q_data->colorspace;
+ pix->num_planes = q_data->fmt->num_planes;
+
+ for (i = 0; i < pix->num_planes; i++) {
+ pix->plane_fmt[i].bytesperline = q_data->bytesperline[i];
+ pix->plane_fmt[i].sizeimage = q_data->sizeimage[i];
+ }
+
+ mtk_v4l2_debug(1,
+ "[%d]<- type=%d wxh=%dx%d fmt=%c%c%c%c sz[0]=0x%x sz[1]=0x%x",
+ ctx->idx, f->type,
+ pix->width, pix->height,
+ (pix->pixelformat & 0xff),
+ (pix->pixelformat >> 8) & 0xff,
+ (pix->pixelformat >> 16) & 0xff,
+ (pix->pixelformat >> 24) & 0xff,
+ pix->plane_fmt[0].sizeimage,
+ pix->plane_fmt[1].sizeimage);
+
+ return 0;
+}
+
+static int vidioc_venc_g_ctrl(struct file *file, void *fh,
+ struct v4l2_control *ctrl)
+{
+ int ret = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
+ case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
+ ctrl->value = 1;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+static int vidioc_venc_s_crop(struct file *file, void *fh,
+ const struct v4l2_crop *a)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(fh);
+ struct mtk_q_data *q_data;
+
+ if (a->c.left || a->c.top)
+ return -EINVAL;
+
+ q_data = mtk_venc_get_q_data(ctx, a->type);
+ if (!q_data)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int vidioc_venc_g_crop(struct file *file, void *fh,
+ struct v4l2_crop *a)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(fh);
+ struct mtk_q_data *q_data;
+
+ if (a->c.left || a->c.top)
+ return -EINVAL;
+
+ q_data = mtk_venc_get_q_data(ctx, a->type);
+ if (!q_data)
+ return -EINVAL;
+
+ a->c.width = q_data->width;
+ a->c.height = q_data->height;
+
+ return 0;
+}
+
+
+const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {
+ .vidioc_streamon = vidioc_venc_streamon,
+ .vidioc_streamoff = vidioc_venc_streamoff,
+
+ .vidioc_reqbufs = vidioc_venc_reqbufs,
+ .vidioc_querybuf = vidioc_venc_querybuf,
+ .vidioc_qbuf = vidioc_venc_qbuf,
+ .vidioc_expbuf = vidioc_venc_expbuf,
+ .vidioc_dqbuf = vidioc_venc_dqbuf,
+
+ .vidioc_querycap = vidioc_venc_querycap,
+ .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
+ .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
+ .vidioc_enum_framesizes = vidioc_enum_framesizes,
+
+ .vidioc_subscribe_event = vidioc_venc_subscribe_event,
+
+ .vidioc_s_parm = vidioc_venc_s_parm,
+
+ .vidioc_s_fmt_vid_cap_mplane = vidioc_venc_s_fmt,
+ .vidioc_s_fmt_vid_out_mplane = vidioc_venc_s_fmt,
+
+ .vidioc_g_fmt_vid_cap_mplane = vidioc_venc_g_fmt,
+ .vidioc_g_fmt_vid_out_mplane = vidioc_venc_g_fmt,
+
+ .vidioc_g_ctrl = vidioc_venc_g_ctrl,
+
+ .vidioc_s_crop = vidioc_venc_s_crop,
+ .vidioc_g_crop = vidioc_venc_g_crop,
+
+};
+
+static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
+ const void *parg,
+ unsigned int *nbuffers,
+ unsigned int *nplanes,
+ unsigned int sizes[], void *alloc_ctxs[])
+{
+ struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
+ struct mtk_q_data *q_data;
+
+ q_data = mtk_venc_get_q_data(ctx, vq->type);
+
+ if (*nbuffers < 1)
+ *nbuffers = 1;
+ if (*nbuffers > MTK_VIDEO_MAX_FRAME)
+ *nbuffers = MTK_VIDEO_MAX_FRAME;
+
+ *nplanes = q_data->fmt->num_planes;
+
+ if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ unsigned int i;
+
+ for (i = 0; i < *nplanes; i++) {
+ sizes[i] = q_data->sizeimage[i];
+ alloc_ctxs[i] = ctx->dev->alloc_ctx;
+ }
+ } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ sizes[0] = q_data->sizeimage[0];
+ alloc_ctxs[0] = ctx->dev->alloc_ctx;
+ } else {
+ return -EINVAL;
+ }
+
+ mtk_v4l2_debug(2,
+ "[%d]get %d buffer(s) of size 0x%x each",
+ ctx->idx, *nbuffers, sizes[0]);
+
+ return 0;
+}
+
+static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb)
+{
+ struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct mtk_q_data *q_data;
+ int i;
+
+ q_data = mtk_venc_get_q_data(ctx, vb->vb2_queue->type);
+
+ for (i = 0; i < q_data->fmt->num_planes; i++) {
+ if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
+ mtk_v4l2_debug(2,
+ "data will not fit into plane %d (%lu < %d)",
+ i, vb2_plane_size(vb, i),
+ q_data->sizeimage[i]);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static void vb2ops_venc_buf_queue(struct vb2_buffer *vb)
+{
+ struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct mtk_video_enc_buf *buf =
+ container_of(vb, struct mtk_video_enc_buf, b);
+
+ if ((vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
+ (ctx->param_change != MTK_ENCODE_PARAM_NONE)) {
+ mtk_v4l2_debug(1,
+ "[%d] Before id=%d encode parameter change %x",
+ ctx->idx, vb->index,
+ ctx->param_change);
+ buf->param_change = ctx->param_change;
+ if (buf->param_change & MTK_ENCODE_PARAM_BITRATE) {
+ buf->enc_params.bitrate = ctx->enc_params.bitrate;
+ mtk_v4l2_debug(1, "change param br=%d",
+ buf->enc_params.bitrate);
+ }
+ if (ctx->param_change & MTK_ENCODE_PARAM_FRAMERATE) {
+ buf->enc_params.framerate_num =
+ ctx->enc_params.framerate_num;
+ buf->enc_params.framerate_denom =
+ ctx->enc_params.framerate_denom;
+ mtk_v4l2_debug(1, "change param fr=%d",
+ buf->enc_params.framerate_num /
+ buf->enc_params.framerate_denom);
+ }
+ if (ctx->param_change & MTK_ENCODE_PARAM_INTRA_PERIOD) {
+ buf->enc_params.gop_size = ctx->enc_params.gop_size;
+ mtk_v4l2_debug(1, "change param intra period=%d",
+ buf->enc_params.gop_size);
+ }
+ if (ctx->param_change & MTK_ENCODE_PARAM_FRAME_TYPE) {
+ buf->enc_params.force_intra =
+ ctx->enc_params.force_intra;
+ mtk_v4l2_debug(1, "change param force I=%d",
+ buf->enc_params.force_intra);
+ }
+ if (ctx->param_change & MTK_ENCODE_PARAM_SKIP_FRAME) {
+ buf->enc_params.skip_frame =
+ ctx->enc_params.skip_frame;
+ mtk_v4l2_debug(1, "change param skip frame=%d",
+ buf->enc_params.skip_frame);
+ }
+ ctx->param_change = MTK_ENCODE_PARAM_NONE;
+ }
+
+ v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
+}
+
+static void mtk_venc_set_param(struct mtk_vcodec_ctx *ctx, void *param)
+{
+ struct venc_enc_prm *p = (struct venc_enc_prm *)param;
+ struct mtk_q_data *q_data_src = &ctx->q_data[MTK_Q_DATA_SRC];
+ struct mtk_enc_params *enc_params = &ctx->enc_params;
+ unsigned int frame_rate;
+
+ frame_rate = enc_params->framerate_num / enc_params->framerate_denom;
+
+ switch (q_data_src->fmt->fourcc) {
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YUV420M:
+ p->input_fourcc = VENC_YUV_FORMAT_420;
+ break;
+ case V4L2_PIX_FMT_YVU420:
+ case V4L2_PIX_FMT_YVU420M:
+ p->input_fourcc = VENC_YUV_FORMAT_YV12;
+ break;
+ case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_NV12M:
+ p->input_fourcc = VENC_YUV_FORMAT_NV12;
+ break;
+ case V4L2_PIX_FMT_NV21:
+ case V4L2_PIX_FMT_NV21M:
+ p->input_fourcc = VENC_YUV_FORMAT_NV21;
+ break;
+ }
+ p->h264_profile = enc_params->h264_profile;
+ p->h264_level = enc_params->h264_level;
+ p->width = q_data_src->width;
+ p->height = q_data_src->height;
+ p->buf_width = q_data_src->bytesperline[0];
+ p->buf_height = ((q_data_src->height + 0xf) & (~0xf));
+ p->frm_rate = frame_rate;
+ p->intra_period = enc_params->gop_size;
+ p->bitrate = enc_params->bitrate;
+
+ ctx->param_change = MTK_ENCODE_PARAM_NONE;
+
+ mtk_v4l2_debug(1,
+ "fmt 0x%x P/L %d/%d w/h %d/%d buf %d/%d fps/bps %d/%d gop %d",
+ p->input_fourcc, p->h264_profile, p->h264_level, p->width,
+ p->height, p->buf_width, p->buf_height, p->frm_rate,
+ p->bitrate, p->intra_period);
+}
+
+static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
+ struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
+ int ret;
+ struct venc_enc_prm param;
+
+#if MTK_V4L2_BENCHMARK
+ struct timeval begin, end;
+
+ do_gettimeofday(&begin);
+#endif
+
+ /* Once state turn into MTK_STATE_ABORT, we need stop_streaming to clear it */
+ if (ctx->state == MTK_STATE_ABORT)
+ return -EINVAL;
+
+ if (!(vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q) &
+ vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q))) {
+ mtk_v4l2_debug(1, "[%d]-> out=%d cap=%d",
+ ctx->idx,
+ vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q),
+ vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q));
+ return 0;
+ }
+
+
+ ret = venc_if_create(ctx,
+ ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc);
+ if (ret) {
+ v4l2_err(v4l2_dev, "venc_if_create failed=%d, codec type=%x\n",
+ ret, ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc);
+ return -EINVAL;
+ }
+
+ mtk_venc_set_param(ctx, &param);
+ ret = venc_if_set_param(ctx,
+ VENC_SET_PARAM_ENC, &param);
+ if (ret) {
+ v4l2_err(v4l2_dev, "venc_if_set_param failed=%d\n",
+ ret);
+ venc_if_release(ctx);
+ return -EINVAL;
+ }
+
+ ctx->state = MTK_STATE_INIT;
+
+ if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc ==
+ V4L2_PIX_FMT_H264) &&
+ (ctx->enc_params.seq_hdr_mode !=
+ V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)) {
+ ret = venc_if_set_param(ctx,
+ VENC_SET_PARAM_PREPEND_HEADER,
+ 0);
+ if (ret) {
+ v4l2_err(v4l2_dev,
+ "venc_if_set_param failed=%d\n",
+ ret);
+ venc_if_release(ctx);
+ ctx->state = MTK_STATE_FREE;
+ return -EINVAL;
+ }
+ ctx->state = MTK_STATE_HEADER;
+ }
+
+ INIT_WORK(&ctx->encode_work, mtk_venc_worker);
+
+#if MTK_V4L2_BENCHMARK
+ do_gettimeofday(&end);
+ ctx->total_enc_dec_init_time =
+ ((end.tv_sec - begin.tv_sec) * 1000000 +
+ end.tv_usec - begin.tv_usec);
+
+#endif
+
+ return 0;
+}
+
+static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
+{
+ struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
+ struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
+ struct vb2_buffer *src_buf, *dst_buf;
+ int ret;
+
+ mtk_v4l2_debug(2, "[%d]-> type=%d", ctx->idx, q->type);
+
+ ctx->state = MTK_STATE_ABORT;
+ queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
+ ret = mtk_vcodec_wait_for_done_ctx(ctx,
+ MTK_INST_WORK_THREAD_ABORT_DONE,
+ WAIT_INTR_TIMEOUT, true);
+
+ if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
+ dst_buf->planes[0].bytesused = 0;
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_DONE);
+ }
+ } else {
+ while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx)))
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf), VB2_BUF_STATE_DONE);
+ }
+
+ if ((q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+ vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q)) ||
+ (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
+ vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q))) {
+ mtk_v4l2_debug(1, "[%d]-> q type %d out=%d cap=%d",
+ ctx->idx, q->type,
+ vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q),
+ vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q));
+ return;
+ }
+
+ ret = venc_if_release(ctx);
+ if (ret)
+ v4l2_err(v4l2_dev, "venc_if_release failed=%d\n", ret);
+
+ ctx->state = MTK_STATE_FREE;
+}
+
+static struct vb2_ops mtk_venc_vb2_ops = {
+ .queue_setup = vb2ops_venc_queue_setup,
+ .buf_prepare = vb2ops_venc_buf_prepare,
+ .buf_queue = vb2ops_venc_buf_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = vb2ops_venc_start_streaming,
+ .stop_streaming = vb2ops_venc_stop_streaming,
+};
+
+static int mtk_venc_encode_header(void *priv)
+{
+ struct mtk_vcodec_ctx *ctx = priv;
+ struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
+ int ret;
+ struct vb2_buffer *dst_buf;
+ struct mtk_vcodec_mem bs_buf;
+ struct venc_done_result enc_result;
+
+ dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+ if (!dst_buf) {
+ mtk_v4l2_debug(1, "No dst buffer");
+ return -EINVAL;
+ }
+
+ bs_buf.va = vb2_plane_vaddr(dst_buf, 0);
+ bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
+ bs_buf.size = (unsigned int)dst_buf->planes[0].length;
+
+ mtk_v4l2_debug(1,
+ "buf idx=%d va=0x%p dma_addr=0x%llx size=0x%lx",
+ dst_buf->index, bs_buf.va,
+ (u64)bs_buf.dma_addr, bs_buf.size);
+
+ ret = venc_if_encode(ctx,
+ VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
+ 0, &bs_buf, &enc_result);
+
+ if (ret) {
+ dst_buf->planes[0].bytesused = 0;
+ ctx->state = MTK_STATE_ABORT;
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_ERROR);
+ v4l2_err(v4l2_dev, "venc_if_encode failed=%d", ret);
+ return -EINVAL;
+ }
+
+ ctx->state = MTK_STATE_HEADER;
+ dst_buf->planes[0].bytesused = enc_result.bs_size;
+
+#if defined(DEBUG)
+{
+ int i;
+ mtk_v4l2_debug(1, "venc_if_encode header len=%d",
+ enc_result.bs_size);
+ for (i = 0; i < enc_result.bs_size; i++) {
+ unsigned char *p = (unsigned char *)bs_buf.va;
+
+ mtk_v4l2_debug(1, "buf[%d]=0x%2x", i, p[i]);
+ }
+}
+#endif
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_DONE);
+
+ return 0;
+}
+
+static int mtk_venc_param_change(struct mtk_vcodec_ctx *ctx, void *priv)
+{
+ struct vb2_buffer *vb = priv;
+ struct mtk_video_enc_buf *buf =
+ container_of(vb, struct mtk_video_enc_buf, b);
+ int ret = 0;
+
+ if (buf->param_change == MTK_ENCODE_PARAM_NONE)
+ return 0;
+
+ mtk_v4l2_debug(1, "encode parameters change id=%d", vb->index);
+ if (buf->param_change & MTK_ENCODE_PARAM_BITRATE) {
+ struct venc_enc_prm enc_prm;
+
+ enc_prm.bitrate = buf->enc_params.bitrate;
+ mtk_v4l2_debug(1, "change param br=%d",
+ enc_prm.bitrate);
+ ret |= venc_if_set_param(ctx,
+ VENC_SET_PARAM_ADJUST_BITRATE,
+ &enc_prm);
+ }
+ if (buf->param_change & MTK_ENCODE_PARAM_FRAMERATE) {
+ struct venc_enc_prm enc_prm;
+
+ enc_prm.frm_rate = buf->enc_params.framerate_num /
+ buf->enc_params.framerate_denom;
+ mtk_v4l2_debug(1, "change param fr=%d",
+ enc_prm.frm_rate);
+ ret |= venc_if_set_param(ctx,
+ VENC_SET_PARAM_ADJUST_FRAMERATE,
+ &enc_prm);
+ }
+ if (buf->param_change & MTK_ENCODE_PARAM_INTRA_PERIOD) {
+ mtk_v4l2_debug(1, "change param intra period=%d",
+ buf->enc_params.gop_size);
+ ret |= venc_if_set_param(ctx,
+ VENC_SET_PARAM_I_FRAME_INTERVAL,
+ &buf->enc_params.gop_size);
+ }
+ if (buf->param_change & MTK_ENCODE_PARAM_FRAME_TYPE) {
+ mtk_v4l2_debug(1, "change param force I=%d",
+ buf->enc_params.force_intra);
+ if (buf->enc_params.force_intra)
+ ret |= venc_if_set_param(ctx,
+ VENC_SET_PARAM_FORCE_INTRA,
+ 0);
+ }
+ if (buf->param_change & MTK_ENCODE_PARAM_SKIP_FRAME) {
+ mtk_v4l2_debug(1, "change param skip frame=%d",
+ buf->enc_params.skip_frame);
+ if (buf->enc_params.skip_frame)
+ ret |= venc_if_set_param(ctx,
+ VENC_SET_PARAM_SKIP_FRAME,
+ 0);
+ }
+ buf->param_change = MTK_ENCODE_PARAM_NONE;
+
+ if (ret) {
+ ctx->state = MTK_STATE_ABORT;
+ mtk_v4l2_err("venc_if_set_param %d failed=%d\n",
+ MTK_ENCODE_PARAM_FRAME_TYPE, ret);
+ return -1;
+ }
+
+ return 0;
+}
+
+static void mtk_venc_worker(struct work_struct *work)
+{
+ struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
+ encode_work);
+ struct vb2_buffer *src_buf, *dst_buf;
+ struct vb2_v4l2_buffer *v4l2_vb;
+ struct venc_frm_buf frm_buf;
+ struct mtk_vcodec_mem bs_buf;
+ struct venc_done_result enc_result;
+ int ret;
+
+#if MTK_V4L2_BENCHMARK
+ struct timeval begin, end;
+ struct timeval begin1, end1;
+ do_gettimeofday(&begin);
+#endif
+ mutex_lock(&ctx->dev->dev_mutex);
+
+ if (ctx->state == MTK_STATE_ABORT) {
+ v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
+ mtk_v4l2_debug(0, "[%d] [MTK_INST_ABORT]", ctx->idx);
+ ctx->int_cond = 1;
+ ctx->int_type = MTK_INST_WORK_THREAD_ABORT_DONE;
+ wake_up_interruptible(&ctx->queue);
+ mutex_unlock(&ctx->dev->dev_mutex);
+ return;
+ }
+
+ if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc ==
+ V4L2_PIX_FMT_H264) &&
+ (ctx->state != MTK_STATE_HEADER)) {
+ /* encode h264 sps/pps header */
+#if MTK_V4L2_BENCHMARK
+ do_gettimeofday(&begin1);
+#endif
+ mtk_venc_encode_header(ctx);
+#if MTK_V4L2_BENCHMARK
+ do_gettimeofday(&end1);
+ ctx->total_enc_hdr_time +=
+ ((end1.tv_sec - begin1.tv_sec) * 1000000 +
+ end1.tv_usec - begin1.tv_usec);
+#endif
+
+ v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
+ mutex_unlock(&ctx->dev->dev_mutex);
+ return;
+ }
+
+ src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+ if (!src_buf) {
+ mutex_unlock(&ctx->dev->dev_mutex);
+ return;
+ }
+
+ mtk_venc_param_change(ctx, src_buf);
+
+ dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+ if (!dst_buf) {
+ mutex_unlock(&ctx->dev->dev_mutex);
+ return;
+ }
+
+ frm_buf.fb_addr.va = vb2_plane_vaddr(src_buf, 0);
+ frm_buf.fb_addr.dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
+ frm_buf.fb_addr.size = (unsigned int)src_buf->planes[0].length;
+ frm_buf.fb_addr1.va = vb2_plane_vaddr(src_buf, 1);
+ frm_buf.fb_addr1.dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, 1);
+ frm_buf.fb_addr1.size = (unsigned int)src_buf->planes[1].length;
+ if (src_buf->num_planes == 3) {
+ frm_buf.fb_addr2.va = vb2_plane_vaddr(src_buf, 2);
+ frm_buf.fb_addr2.dma_addr =
+ vb2_dma_contig_plane_dma_addr(src_buf, 2);
+ frm_buf.fb_addr2.size =
+ (unsigned int)src_buf->planes[2].length;
+ } else {
+ frm_buf.fb_addr2.va = NULL;
+ frm_buf.fb_addr2.dma_addr = 0;
+ frm_buf.fb_addr2.size = 0;
+ }
+ bs_buf.va = vb2_plane_vaddr(dst_buf, 0);
+ bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
+ bs_buf.size = (unsigned int)dst_buf->planes[0].length;
+
+ mtk_v4l2_debug(1,
+ "Framebuf VA=%p PA=%llx Size=0x%lx;VA=%p PA=0x%llx Size=0x%lx;VA=%p PA=0x%llx Size=0x%lx",
+ frm_buf.fb_addr.va,
+ (u64)frm_buf.fb_addr.dma_addr,
+ frm_buf.fb_addr.size,
+ frm_buf.fb_addr1.va,
+ (u64)frm_buf.fb_addr1.dma_addr,
+ frm_buf.fb_addr1.size,
+ frm_buf.fb_addr2.va,
+ (u64)frm_buf.fb_addr2.dma_addr,
+ frm_buf.fb_addr2.size);
+
+ ret = venc_if_encode(ctx, VENC_START_OPT_ENCODE_FRAME,
+ &frm_buf, &bs_buf, &enc_result);
+
+ switch (enc_result.msg) {
+ case VENC_MESSAGE_OK:
+ src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf), VB2_BUF_STATE_DONE);
+ dst_buf->planes[0].bytesused = enc_result.bs_size;
+ break;
+ default:
+ src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf), VB2_BUF_STATE_ERROR);
+ dst_buf->planes[0].bytesused = 0;
+ break;
+ }
+ if (enc_result.is_key_frm) {
+ v4l2_vb = to_vb2_v4l2_buffer(dst_buf);
+ v4l2_vb->flags |= V4L2_BUF_FLAG_KEYFRAME;
+ }
+
+ if (ret) {
+ ctx->state = MTK_STATE_ABORT;
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_ERROR);
+ mtk_v4l2_err("venc_if_encode failed=%d", ret);
+ } else {
+ v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_DONE);
+ mtk_v4l2_debug(1, "venc_if_encode bs size=%d",
+ enc_result.bs_size);
+ }
+
+#if MTK_V4L2_BENCHMARK
+ do_gettimeofday(&end);
+ ctx->total_enc_dec_cnt++;
+ ctx->total_enc_dec_time +=
+ ((end.tv_sec - begin.tv_sec) * 1000000 +
+ end.tv_usec - begin.tv_usec);
+#endif
+
+ v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
+
+ mtk_v4l2_debug(1, "<=== src_buf[%d] dst_buf[%d] venc_if_encode ret=%d Size=%u===>",
+ src_buf->index, dst_buf->index, ret,
+ enc_result.bs_size);
+ mutex_unlock(&ctx->dev->dev_mutex);
+
+}
+
+static void m2mops_venc_device_run(void *priv)
+{
+ struct mtk_vcodec_ctx *ctx = priv;
+ queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
+}
+
+static int m2mops_venc_job_ready(void *m2m_priv)
+{
+ struct mtk_vcodec_ctx *ctx = m2m_priv;
+
+ if (!v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx)) {
+ mtk_v4l2_debug(3,
+ "[%d]Not ready: not enough video dst buffers.",
+ ctx->idx);
+ return 0;
+ }
+
+ if (!v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx)) {
+ mtk_v4l2_debug(3,
+ "[%d]Not ready: not enough video src buffers.",
+ ctx->idx);
+ return 0;
+ }
+
+ if (ctx->state == MTK_STATE_ABORT) {
+ mtk_v4l2_debug(3,
+ "[%d]Not ready: state=0x%x.",
+ ctx->idx, ctx->state);
+ return 0;
+ }
+
+ if (ctx->state == MTK_STATE_FREE) {
+ mtk_v4l2_debug(3,
+ "[%d]Not ready: state=0x%x.",
+ ctx->idx, ctx->state);
+ return 0;
+ }
+
+ mtk_v4l2_debug(3, "[%d]ready!", ctx->idx);
+
+ return 1;
+}
+
+static void m2mops_venc_job_abort(void *priv)
+{
+ struct mtk_vcodec_ctx *ctx = priv;
+
+ mtk_v4l2_debug(3, "[%d]type=%d", ctx->idx, ctx->type);
+ ctx->state = MTK_STATE_ABORT;
+
+ v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
+}
+
+static void m2mops_venc_lock(void *m2m_priv)
+{
+ struct mtk_vcodec_ctx *ctx = m2m_priv;
+
+ mutex_lock(&ctx->dev->dev_mutex);
+}
+
+static void m2mops_venc_unlock(void *m2m_priv)
+{
+ struct mtk_vcodec_ctx *ctx = m2m_priv;
+
+ mutex_unlock(&ctx->dev->dev_mutex);
+}
+
+const struct v4l2_m2m_ops mtk_venc_m2m_ops = {
+ .device_run = m2mops_venc_device_run,
+ .job_ready = m2mops_venc_job_ready,
+ .job_abort = m2mops_venc_job_abort,
+ .lock = m2mops_venc_lock,
+ .unlock = m2mops_venc_unlock,
+};
+
+#define IS_MTK_VENC_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) &&\
+ V4L2_CTRL_DRIVER_PRIV(x))
+
+static const char *const *mtk_vcodec_enc_get_menu(u32 id)
+{
+ static const char *const mtk_vcodec_enc_video_frame_skip[] = {
+ "Disabled",
+ "Level Limit",
+ "VBV/CPB Limit",
+ NULL,
+ };
+ static const char *const mtk_vcodec_enc_video_force_frame[] = {
+ "Disabled",
+ "I Frame",
+ "Not Coded",
+ NULL,
+ };
+ switch (id) {
+ case V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE:
+ return mtk_vcodec_enc_video_frame_skip;
+ case V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE:
+ return mtk_vcodec_enc_video_force_frame;
+ }
+ return NULL;
+}
+
+int mtk_venc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
+{
+ struct v4l2_ctrl_config cfg;
+ int i;
+
+ v4l2_ctrl_handler_init(&ctx->ctrl_hdl, NUM_CTRLS);
+ if (ctx->ctrl_hdl.error) {
+ v4l2_err(&ctx->dev->v4l2_dev, "Init control handler fail %d\n",
+ ctx->ctrl_hdl.error);
+ return ctx->ctrl_hdl.error;
+ }
+ for (i = 0; i < NUM_CTRLS; i++) {
+ if (IS_MTK_VENC_PRIV(controls[i].id)) {
+ memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
+ cfg.ops = &mtk_vcodec_enc_ctrl_ops;
+ cfg.id = controls[i].id;
+ cfg.min = controls[i].minimum;
+ cfg.max = controls[i].maximum;
+ cfg.def = controls[i].default_value;
+ cfg.name = controls[i].name;
+ cfg.type = controls[i].type;
+ cfg.flags = 0;
+ if (cfg.type == V4L2_CTRL_TYPE_MENU) {
+ cfg.step = 0;
+ cfg.menu_skip_mask = cfg.menu_skip_mask;
+ cfg.qmenu = mtk_vcodec_enc_get_menu(cfg.id);
+ } else {
+ cfg.step = controls[i].step;
+ cfg.menu_skip_mask = 0;
+ }
+ v4l2_ctrl_new_custom(&ctx->ctrl_hdl, &cfg, NULL);
+ } else {
+ if ((controls[i].type == V4L2_CTRL_TYPE_MENU) ||
+ (controls[i].type == V4L2_CTRL_TYPE_INTEGER_MENU)) {
+ v4l2_ctrl_new_std_menu(
+ &ctx->ctrl_hdl,
+ &mtk_vcodec_enc_ctrl_ops,
+ controls[i].id,
+ controls[i].maximum, 0,
+ controls[i].default_value);
+ } else {
+ v4l2_ctrl_new_std(
+ &ctx->ctrl_hdl,
+ &mtk_vcodec_enc_ctrl_ops,
+ controls[i].id,
+ controls[i].minimum,
+ controls[i].maximum,
+ controls[i].step,
+ controls[i].default_value);
+ }
+ }
+
+ if (ctx->ctrl_hdl.error) {
+ v4l2_err(&ctx->dev->v4l2_dev,
+ "Adding control (%d) failed %d\n",
+ i, ctx->ctrl_hdl.error);
+ return ctx->ctrl_hdl.error;
+ }
+ }
+
+ v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
+ return 0;
+}
+
+void mtk_venc_ctrls_free(struct mtk_vcodec_ctx *ctx)
+{
+ v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
+}
+
+int m2mctx_venc_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
+{
+ struct mtk_vcodec_ctx *ctx = priv;
+ int ret;
+
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
+ src_vq->drv_priv = ctx;
+ src_vq->buf_struct_size = sizeof(struct mtk_video_enc_buf);
+ src_vq->ops = &mtk_venc_vb2_ops;
+ src_vq->mem_ops = &vb2_dma_contig_memops;
+ src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ src_vq->lock = &ctx->vb2_mutex;
+
+ ret = vb2_queue_init(src_vq);
+ if (ret)
+ return ret;
+
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
+ dst_vq->drv_priv = ctx;
+ dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ dst_vq->ops = &mtk_venc_vb2_ops;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+ dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ dst_vq->lock = &ctx->vb2_mutex;
+
+ return vb2_queue_init(dst_vq);
+}
+
+int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx)
+{
+ struct mtk_vcodec_dev *dev = ctx->dev;
+
+ mutex_unlock(&dev->enc_mutex);
+ return 0;
+}
+
+int mtk_venc_lock(struct mtk_vcodec_ctx *ctx)
+{
+ struct mtk_vcodec_dev *dev = ctx->dev;
+
+ mutex_lock(&dev->enc_mutex);
+ dev->curr_ctx = ctx->idx;
+ return 0;
+}
+
+void mtk_vcodec_venc_release(struct mtk_vcodec_ctx *ctx)
+{
+ venc_if_release(ctx);
+
+#if MTK_V4L2_BENCHMARK
+ mtk_v4l2_debug(0, "\n\nMTK_V4L2_BENCHMARK");
+
+ mtk_v4l2_debug(0, " total_enc_dec_cnt: %d ", ctx->total_enc_dec_cnt);
+ mtk_v4l2_debug(0, " total_enc_dec_time: %d us",
+ ctx->total_enc_dec_time);
+ mtk_v4l2_debug(0, " total_enc_dec_init_time: %d us",
+ ctx->total_enc_dec_init_time);
+ mtk_v4l2_debug(0, " total_enc_hdr_time: %d us",
+ ctx->total_enc_hdr_time);
+ mtk_v4l2_debug(0, " total_qbuf_out_time: %d us",
+ ctx->total_qbuf_out_time);
+ mtk_v4l2_debug(0, " total_qbuf_out_cnt: %d ",
+ ctx->total_qbuf_out_cnt);
+ mtk_v4l2_debug(0, " total_qbuf_cap_time: %d us",
+ ctx->total_qbuf_cap_time);
+ mtk_v4l2_debug(0, " total_qbuf_cap_cnt: %d ",
+ ctx->total_qbuf_cap_cnt);
+
+ mtk_v4l2_debug(0, " total_dqbuf_out_time: %d us",
+ ctx->total_dqbuf_out_time);
+ mtk_v4l2_debug(0, " total_dqbuf_out_cnt: %d ",
+ ctx->total_dqbuf_out_cnt);
+ mtk_v4l2_debug(0, " total_dqbuf_cap_time: %d us",
+ ctx->total_dqbuf_cap_time);
+ mtk_v4l2_debug(0, " total_dqbuf_cap_cnt: %d ",
+ ctx->total_dqbuf_cap_cnt);
+
+ mtk_v4l2_debug(0, " total_expbuf_time: %d us",
+ ctx->total_expbuf_time);
+
+#endif
+
+}
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h
new file mode 100644
index 0000000..0d6b79a
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h
@@ -0,0 +1,45 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: PC Chen <pc.chen@xxxxxxxxxxxx>
+* Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+
+#ifndef _MTK_VCODEC_ENC_H_
+#define _MTK_VCODEC_ENC_H_
+
+#include <media/videobuf2-core.h>
+
+/**
+ * struct mtk_video_enc_buf - Private data related to each VB2 buffer.
+ * @b: Pointer to related VB2 buffer.
+ * @param_change: Types of encode parameter change before encode this
+ * buffer
+ * @enc_params Encode parameters changed before encode this buffer
+ */
+struct mtk_video_enc_buf {
+ struct vb2_buffer b;
+ struct list_head list;
+
+ enum mtk_encode_param param_change;
+ struct mtk_enc_params enc_params;
+};
+
+int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx);
+int mtk_venc_lock(struct mtk_vcodec_ctx *ctx);
+int m2mctx_venc_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq);
+void mtk_vcodec_venc_release(struct mtk_vcodec_ctx *ctx);
+int mtk_venc_ctrls_setup(struct mtk_vcodec_ctx *ctx);
+void mtk_venc_ctrls_free(struct mtk_vcodec_ctx *ctx);
+
+#endif /* _MTK_VCODEC_ENC_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
new file mode 100644
index 0000000..116ab97
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
@@ -0,0 +1,469 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: PC Chen <pc.chen@xxxxxxxxxxxx>
+* Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+#include <linux/pm_runtime.h>
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_enc.h"
+#include "mtk_vcodec_pm.h"
+#include "mtk_vcodec_intr.h"
+#include "mtk_vcodec_util.h"
+#include "mtk_vpu.h"
+
+static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv);
+
+/* Wake up context wait_queue */
+static void wake_up_ctx(struct mtk_vcodec_ctx *ctx, unsigned int reason)
+{
+ ctx->int_cond = 1;
+ ctx->int_type = reason;
+ wake_up_interruptible(&ctx->queue);
+}
+
+static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv)
+{
+ struct mtk_vcodec_dev *dev = priv;
+ struct mtk_vcodec_ctx *ctx;
+ unsigned int irq_status;
+
+ ctx = dev->ctx[dev->curr_ctx];
+ if (ctx == NULL) {
+ mtk_v4l2_err("ctx==NULL");
+ return IRQ_HANDLED;
+ }
+ mtk_v4l2_debug(1, "idx=%d", ctx->idx);
+ irq_status = readl(dev->reg_base[VENC_SYS] +
+ (MTK_VENC_IRQ_STATUS_OFFSET));
+ if (irq_status & MTK_VENC_IRQ_STATUS_PAUSE)
+ writel((MTK_VENC_IRQ_STATUS_PAUSE),
+ dev->reg_base[VENC_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_SWITCH)
+ writel((MTK_VENC_IRQ_STATUS_SWITCH),
+ dev->reg_base[VENC_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_DRAM)
+ writel((MTK_VENC_IRQ_STATUS_DRAM),
+ dev->reg_base[VENC_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_SPS)
+ writel((MTK_VENC_IRQ_STATUS_SPS),
+ dev->reg_base[VENC_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_PPS)
+ writel((MTK_VENC_IRQ_STATUS_PPS),
+ dev->reg_base[VENC_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_FRM)
+ writel((MTK_VENC_IRQ_STATUS_FRM),
+ dev->reg_base[VENC_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ ctx->irq_status = irq_status;
+ wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
+ return IRQ_HANDLED;
+}
+
+#if 1 /* VENC_LT */
+static irqreturn_t mtk_vcodec_enc_irq_handler2(int irq, void *priv)
+{
+ struct mtk_vcodec_dev *dev = priv;
+ struct mtk_vcodec_ctx *ctx;
+ unsigned int irq_status;
+
+ ctx = dev->ctx[dev->curr_ctx];
+ if (ctx == NULL) {
+ mtk_v4l2_err("ctx==NULL");
+ return IRQ_HANDLED;
+ }
+ mtk_v4l2_debug(1, "idx=%d", ctx->idx);
+ irq_status = readl(dev->reg_base[VENC_LT_SYS] +
+ (MTK_VENC_IRQ_STATUS_OFFSET));
+ if (irq_status & MTK_VENC_IRQ_STATUS_PAUSE)
+ writel((MTK_VENC_IRQ_STATUS_PAUSE),
+ dev->reg_base[VENC_LT_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_SWITCH)
+ writel((MTK_VENC_IRQ_STATUS_SWITCH),
+ dev->reg_base[VENC_LT_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_DRAM)
+ writel((MTK_VENC_IRQ_STATUS_DRAM),
+ dev->reg_base[VENC_LT_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_SPS)
+ writel((MTK_VENC_IRQ_STATUS_SPS),
+ dev->reg_base[VENC_LT_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_PPS)
+ writel((MTK_VENC_IRQ_STATUS_PPS),
+ dev->reg_base[VENC_LT_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ if (irq_status & MTK_VENC_IRQ_STATUS_FRM)
+ writel((MTK_VENC_IRQ_STATUS_FRM),
+ dev->reg_base[VENC_LT_SYS] + (MTK_VENC_IRQ_ACK_OFFSET));
+
+ ctx->irq_status = irq_status;
+ wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED);
+ return IRQ_HANDLED;
+}
+#endif
+
+static int fops_vcodec_open(struct file *file)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct mtk_vcodec_dev *dev = video_drvdata(file);
+ struct mtk_vcodec_ctx *ctx = NULL;
+ int ret = 0;
+
+ mutex_lock(&dev->dev_mutex);
+
+ ctx = devm_kzalloc(&dev->plat_dev->dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ ret = -ENOMEM;
+ goto err_alloc;
+ }
+
+ if (dev->num_instances >= MTK_VCODEC_MAX_ENCODER_INSTANCES) {
+ mtk_v4l2_err("Too many open contexts\n");
+ ret = -EBUSY;
+ goto err_no_ctx;
+ }
+
+ ctx->idx = ffz(dev->instance_mask[0]);
+ v4l2_fh_init(&ctx->fh, video_devdata(file));
+ file->private_data = &ctx->fh;
+ v4l2_fh_add(&ctx->fh);
+ ctx->dev = dev;
+ mutex_init(&ctx->encode_param_mutex);
+ mutex_init(&ctx->vb2_mutex);
+
+ if (vfd == dev->vfd_enc) {
+ ctx->type = MTK_INST_ENCODER;
+ ret = mtk_venc_ctrls_setup(ctx);
+ if (ret) {
+ mtk_v4l2_err("Failed to setup controls() (%d)\n",
+ ret);
+ goto err_ctrls_setup;
+ }
+ ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev_enc, ctx,
+ &m2mctx_venc_queue_init);
+ if (IS_ERR(ctx->m2m_ctx)) {
+ ret = PTR_ERR(ctx->m2m_ctx);
+ mtk_v4l2_err("Failed to v4l2_m2m_ctx_init() (%d)\n",
+ ret);
+ goto err_ctx_init;
+ }
+ ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
+ } else {
+ mtk_v4l2_err("Invalid vfd !\n");
+ ret = -ENOENT;
+ goto err_ctx_init;
+ }
+
+ init_waitqueue_head(&ctx->queue);
+ dev->num_instances++;
+
+ if (dev->num_instances == 1) {
+ ret = vpu_load_firmware(dev->vpu_plat_dev);
+ if (ret < 0) {
+ mtk_v4l2_err("vpu_load_firmware failed!\n");
+ goto err_load_fw;
+ }
+
+ dev->enc_capability =
+ vpu_get_venc_hw_capa(dev->vpu_plat_dev);
+ mtk_v4l2_debug(0, "encoder capability %x", dev->enc_capability);
+ }
+
+ mtk_v4l2_debug(2, "Create instance [%d]@%p m2m_ctx=%p type=%d\n",
+ ctx->idx, ctx, ctx->m2m_ctx, ctx->type);
+ set_bit(ctx->idx, &dev->instance_mask[0]);
+ dev->ctx[ctx->idx] = ctx;
+
+ mutex_unlock(&dev->dev_mutex);
+ mtk_v4l2_debug(0, "%s encoder [%d]", dev_name(&dev->plat_dev->dev), ctx->idx);
+ return ret;
+
+ /* Deinit when failure occurred */
+err_load_fw:
+ v4l2_m2m_ctx_release(ctx->m2m_ctx);
+ v4l2_fh_del(&ctx->fh);
+ v4l2_fh_exit(&ctx->fh);
+ dev->num_instances--;
+err_ctx_init:
+err_ctrls_setup:
+ mtk_venc_ctrls_free(ctx);
+err_no_ctx:
+ devm_kfree(&dev->plat_dev->dev, ctx);
+err_alloc:
+ mutex_unlock(&dev->dev_mutex);
+ return ret;
+}
+
+static int fops_vcodec_release(struct file *file)
+{
+ struct mtk_vcodec_dev *dev = video_drvdata(file);
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(file->private_data);
+
+ mtk_v4l2_debug(2, "[%d]\n", ctx->idx);
+ mutex_lock(&dev->dev_mutex);
+ v4l2_m2m_ctx_release(ctx->m2m_ctx);
+ mtk_vcodec_venc_release(ctx);
+ mtk_venc_ctrls_free(ctx);
+ v4l2_fh_del(&ctx->fh);
+ v4l2_fh_exit(&ctx->fh);
+ dev->ctx[ctx->idx] = NULL;
+ dev->num_instances--;
+ clear_bit(ctx->idx, &dev->instance_mask[0]);
+ devm_kfree(&dev->plat_dev->dev, ctx);
+ mutex_unlock(&dev->dev_mutex);
+ return 0;
+}
+
+static unsigned int fops_vcodec_poll(struct file *file,
+ struct poll_table_struct *wait)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(file->private_data);
+ struct mtk_vcodec_dev *dev = ctx->dev;
+ int ret;
+
+ mutex_lock(&dev->dev_mutex);
+ ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
+ mutex_unlock(&dev->dev_mutex);
+
+ return ret;
+}
+
+static int fops_vcodec_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(file->private_data);
+
+ return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
+}
+
+static const struct v4l2_file_operations mtk_vcodec_fops = {
+ .owner = THIS_MODULE,
+ .open = fops_vcodec_open,
+ .release = fops_vcodec_release,
+ .poll = fops_vcodec_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = fops_vcodec_mmap,
+};
+
+static int mtk_vcodec_probe(struct platform_device *pdev)
+{
+ struct mtk_vcodec_dev *dev;
+ struct video_device *vfd_enc;
+ struct resource *res;
+ int i, j, ret;
+
+ dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+ if (!dev)
+ return -ENOMEM;
+
+ dev->plat_dev = pdev;
+
+ dev->vpu_plat_dev = vpu_get_plat_device(dev->plat_dev);
+ if (dev->vpu_plat_dev == NULL) {
+ mtk_v4l2_err("[VPU] vpu device in not ready\n");
+ return -EPROBE_DEFER;
+ }
+
+ ret = mtk_vcodec_init_enc_pm(dev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get mt vcodec clock source!\n");
+ return ret;
+ }
+
+ for (i = VENC_SYS, j = 0; i < NUM_MAX_VCODEC_REG_BASE; i++, j++) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, j);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "get memory resource failed.\n");
+ ret = -ENXIO;
+ goto err_res;
+ }
+ dev->reg_base[i] = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(dev->reg_base[i])) {
+ dev_err(&pdev->dev,
+ "devm_ioremap_resource %d failed.\n", i);
+ ret = PTR_ERR(dev->reg_base);
+ goto err_res;
+ }
+ mtk_v4l2_debug(2, "reg[%d] base=0x%p\n", i, dev->reg_base[i]);
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "failed to get irq resource\n");
+ ret = -ENOENT;
+ goto err_res;
+ }
+
+ dev->enc_irq = platform_get_irq(pdev, 0);
+ ret = devm_request_irq(&pdev->dev, dev->enc_irq,
+ mtk_vcodec_enc_irq_handler,
+ 0, pdev->name, dev);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to install dev->enc_irq %d (%d)\n",
+ dev->enc_irq,
+ ret);
+ ret = -EINVAL;
+ goto err_res;
+ }
+
+ dev->enc_lt_irq = platform_get_irq(pdev, 1);
+ ret = devm_request_irq(&pdev->dev,
+ dev->enc_lt_irq, mtk_vcodec_enc_irq_handler2,
+ 0, pdev->name, dev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Failed to install dev->enc_lt_irq %d (%d)\n",
+ dev->enc_lt_irq, ret);
+ ret = -EINVAL;
+ goto err_res;
+ }
+
+ disable_irq(dev->enc_irq);
+ disable_irq(dev->enc_lt_irq); /* VENC_LT */
+ mutex_init(&dev->enc_mutex);
+ mutex_init(&dev->dev_mutex);
+
+ snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s",
+ "[MTK_V4L2_VENC]");
+
+ ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
+ if (ret) {
+ mtk_v4l2_err("v4l2_device_register err=%d\n", ret);
+ return ret;
+ }
+
+ init_waitqueue_head(&dev->queue);
+
+ /* allocate video device for encoder and register it */
+ vfd_enc = video_device_alloc();
+ if (!vfd_enc) {
+ mtk_v4l2_err("Failed to allocate video device\n");
+ ret = -ENOMEM;
+ goto err_enc_alloc;
+ }
+ vfd_enc->fops = &mtk_vcodec_fops;
+ vfd_enc->ioctl_ops = &mtk_venc_ioctl_ops;
+ vfd_enc->release = video_device_release;
+ vfd_enc->lock = &dev->dev_mutex;
+ vfd_enc->v4l2_dev = &dev->v4l2_dev;
+ vfd_enc->vfl_dir = VFL_DIR_M2M;
+
+ snprintf(vfd_enc->name, sizeof(vfd_enc->name), "%s",
+ MTK_VCODEC_ENC_NAME);
+ video_set_drvdata(vfd_enc, dev);
+ dev->vfd_enc = vfd_enc;
+ platform_set_drvdata(pdev, dev);
+ ret = video_register_device(vfd_enc, VFL_TYPE_GRABBER, 1);
+ if (ret) {
+ mtk_v4l2_err("Failed to register video device\n");
+ goto err_enc_reg;
+ }
+ mtk_v4l2_debug(0, "encoder registered as /dev/video%d\n",
+ vfd_enc->num);
+
+ dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
+ if (IS_ERR(dev->alloc_ctx)) {
+ mtk_v4l2_err("Failed to alloc vb2 dma context 0\n");
+ ret = PTR_ERR(dev->alloc_ctx);
+ goto err_vb2_ctx_init;
+ }
+
+ dev->m2m_dev_enc = v4l2_m2m_init(&mtk_venc_m2m_ops);
+ if (IS_ERR(dev->m2m_dev_enc)) {
+ mtk_v4l2_err("Failed to init mem2mem enc device\n");
+ ret = PTR_ERR(dev->m2m_dev_enc);
+ goto err_enc_mem_init;
+ }
+
+ dev->encode_workqueue =
+ alloc_ordered_workqueue(MTK_VCODEC_ENC_NAME, WQ_MEM_RECLAIM | WQ_FREEZABLE);
+ if (!dev->encode_workqueue) {
+ mtk_v4l2_err("Failed to create encode workqueue\n");
+ ret = -EINVAL;
+ goto err_event_workq;
+ }
+
+ return 0;
+
+err_event_workq:
+ v4l2_m2m_release(dev->m2m_dev_enc);
+err_enc_mem_init:
+ vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
+err_vb2_ctx_init:
+ video_unregister_device(vfd_enc);
+err_enc_reg:
+ video_device_release(vfd_enc);
+err_enc_alloc:
+ v4l2_device_unregister(&dev->v4l2_dev);
+err_res:
+ mtk_vcodec_release_enc_pm(dev);
+ return ret;
+}
+
+static const struct of_device_id mtk_vcodec_match[] = {
+ {.compatible = "mediatek,mt8173-vcodec-enc",},
+ {},
+};
+MODULE_DEVICE_TABLE(of, mtk_vcodec_match);
+
+static int mtk_vcodec_remove(struct platform_device *pdev)
+{
+ struct mtk_vcodec_dev *dev = platform_get_drvdata(pdev);
+
+ mtk_v4l2_debug_enter();
+ flush_workqueue(dev->encode_workqueue);
+ destroy_workqueue(dev->encode_workqueue);
+ if (dev->m2m_dev_enc)
+ v4l2_m2m_release(dev->m2m_dev_enc);
+ if (dev->alloc_ctx)
+ vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
+
+ if (dev->vfd_enc) {
+ video_unregister_device(dev->vfd_enc);
+ video_device_release(dev->vfd_enc);
+ }
+ v4l2_device_unregister(&dev->v4l2_dev);
+ mtk_vcodec_release_enc_pm(dev);
+ return 0;
+}
+
+static struct platform_driver mtk_vcodec_driver = {
+ .probe = mtk_vcodec_probe,
+ .remove = mtk_vcodec_remove,
+ .driver = {
+ .name = MTK_VCODEC_ENC_NAME,
+ .owner = THIS_MODULE,
+ .of_match_table = mtk_vcodec_match,
+ },
+};
+
+module_platform_driver(mtk_vcodec_driver);
+
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Mediatek video codec V4L2 driver");
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
new file mode 100644
index 0000000..a9bb789
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#include <linux/clk.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/pm_runtime.h>
+#include <soc/mediatek/smi.h>
+
+#include "mtk_vcodec_pm.h"
+#include "mtk_vcodec_util.h"
+#include "mtk_vpu.h"
+
+static struct mtk_vcodec_pm *pm;
+
+int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
+{
+ struct device_node *node;
+ struct platform_device *pdev;
+ struct device *dev;
+ int ret = 0;
+
+ pdev = mtkdev->plat_dev;
+ pm = &mtkdev->pm;
+ memset(pm, 0, sizeof(struct mtk_vcodec_pm));
+ pm->mtkdev = mtkdev;
+ dev = &pdev->dev;
+
+ node = of_parse_phandle(dev->of_node, "larb", 0);
+ if (!node)
+ return -1;
+ pdev = of_find_device_by_node(node);
+ if (WARN_ON(!pdev)) {
+ of_node_put(node);
+ return -1;
+ }
+ pm->larbvenc = &pdev->dev;
+
+ node = of_parse_phandle(dev->of_node, "larb", 1);
+ if (!node)
+ return -1;
+
+ pdev = of_find_device_by_node(node);
+ if (WARN_ON(!pdev)) {
+ of_node_put(node);
+ return -EINVAL;
+ }
+ pm->larbvenclt = &pdev->dev;
+
+ pdev = mtkdev->plat_dev;
+ pm->dev = &pdev->dev;
+
+ pm->vencpll = devm_clk_get(&pdev->dev, "vencpll");
+ if (pm->vencpll == NULL) {
+ mtk_v4l2_err("devm_clk_get vencpll fail");
+ ret = -1;
+ }
+
+ pm->venc_lt_sel = devm_clk_get(&pdev->dev, "venc_lt_sel");
+ if (pm->venc_lt_sel == NULL) {
+ mtk_v4l2_err("devm_clk_get venc_lt_sel fail");
+ ret = -1;
+ }
+
+ pm->vcodecpll_370p5_ck = devm_clk_get(&pdev->dev, "vcodecpll_370p5_ck");
+ if (pm->vcodecpll_370p5_ck == NULL) {
+ mtk_v4l2_err("devm_clk_get vcodecpll_370p5_ck fail");
+ ret = -1;
+ }
+
+ return ret;
+}
+
+void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *dev)
+{
+}
+
+
+void mtk_vcodec_enc_clock_on(void)
+{
+ int ret;
+
+ clk_set_rate(pm->vencpll, 800 * 1000000);
+
+ ret = clk_prepare_enable(pm->vcodecpll_370p5_ck);
+ if (ret)
+ mtk_v4l2_err("vcodecpll_370p5_ck fail %d", ret);
+
+ ret = clk_prepare_enable(pm->venc_lt_sel);
+ if (ret)
+ mtk_v4l2_err("venc_lt_sel fail %d", ret);
+
+ ret = clk_set_parent(pm->venc_lt_sel, pm->vcodecpll_370p5_ck);
+ if (ret)
+ mtk_v4l2_err("clk_set_parent fail %d", ret);
+
+ ret = mtk_smi_larb_get(pm->larbvenc);
+ if (ret)
+ mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d\n", ret);
+
+ ret = mtk_smi_larb_get(pm->larbvenclt);
+ if (ret)
+ mtk_v4l2_err("mtk_smi_larb_get larb4 fail %d\n", ret);
+
+}
+
+void mtk_vcodec_enc_clock_off(void)
+{
+ mtk_smi_larb_put(pm->larbvenc);
+ mtk_smi_larb_put(pm->larbvenclt);
+}
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
new file mode 100644
index 0000000..f43df51
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#include <linux/errno.h>
+#include <linux/wait.h>
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_intr.h"
+#include "mtk_vcodec_util.h"
+
+void mtk_vcodec_clean_dev_int_flags(void *data)
+{
+ struct mtk_vcodec_dev *dev = (struct mtk_vcodec_dev *)data;
+
+ dev->int_cond = 0;
+ dev->int_type = 0;
+}
+
+int mtk_vcodec_wait_for_done_ctx(void *data, int command,
+ unsigned int timeout, int interrupt)
+{
+ wait_queue_head_t *waitqueue;
+ long timeout_jiff, ret;
+ int status = 0;
+ struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
+
+ waitqueue = (wait_queue_head_t *)&ctx->queue;
+ timeout_jiff = msecs_to_jiffies(timeout);
+ if (interrupt) {
+ ret = wait_event_interruptible_timeout(*waitqueue,
+ (ctx->int_cond &&
+ (ctx->int_type == command)),
+ timeout_jiff);
+ } else {
+ ret = wait_event_timeout(*waitqueue,
+ (ctx->int_cond &&
+ (ctx->int_type == command)),
+ timeout_jiff);
+ }
+ if (0 == ret) {
+ status = -1; /* timeout */
+ mtk_v4l2_err("[%d] cmd=%d, wait_event_interruptible_timeout time=%lu out %d %d!",
+ ctx->idx, command, timeout_jiff, ctx->int_cond,
+ ctx->int_type);
+ } else if (-ERESTARTSYS == ret) {
+ mtk_v4l2_err("[%d] cmd=%d, wait_event_interruptible_timeout interrupted by a signal %d %d",
+ ctx->idx, command, ctx->int_cond,
+ ctx->int_type);
+ status = -1;
+ }
+
+ ctx->int_cond = 0;
+ ctx->int_type = 0;
+
+ return status;
+}
+
+int mtk_vcodec_wait_for_done_dev(void *data, int command,
+ unsigned int timeout, int interrupt)
+{
+ wait_queue_head_t *waitqueue;
+ long timeout_jiff, ret;
+ int status = 0;
+ struct mtk_vcodec_dev *dev = (struct mtk_vcodec_dev *)data;
+
+ waitqueue = (wait_queue_head_t *)&dev->queue;
+ timeout_jiff = msecs_to_jiffies(timeout);
+ if (interrupt) {
+ ret = wait_event_interruptible_timeout(*waitqueue,
+ (dev->int_cond &&
+ (dev->int_type == command)),
+ timeout_jiff);
+ } else {
+ ret = wait_event_timeout(*waitqueue,
+ (dev->int_cond &&
+ (dev->int_type == command)),
+ timeout_jiff);
+ }
+ if (0 == ret) {
+ status = -1; /* timeout */
+ mtk_v4l2_err("wait_event_interruptible_timeout time=%lu out %d %d!",
+ timeout_jiff, dev->int_cond, dev->int_type);
+ } else if (-ERESTARTSYS == ret) {
+ mtk_v4l2_err("wait_event_interruptible_timeout interrupted by a signal %d %d",
+ dev->int_cond, dev->int_type);
+ status = -1;
+ }
+ dev->int_cond = 0;
+ dev->int_type = 0;
+ return status;
+}
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
new file mode 100644
index 0000000..e9b7f94
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h
@@ -0,0 +1,29 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#ifndef _MTK_VCODEC_INTR_H_
+#define _MTK_VCODEC_INTR_H_
+
+#define MTK_INST_IRQ_RECEIVED 0x1
+#define MTK_INST_WORK_THREAD_ABORT_DONE 0x2
+
+/* timeout is ms */
+int mtk_vcodec_wait_for_done_ctx(void *data, int command, unsigned int timeout,
+ int interrupt);
+int mtk_vcodec_wait_for_done_dev(void *data, int command, unsigned int timeout,
+ int interrupt);
+
+void mtk_vcodec_clean_dev_int_flags(void *data);
+
+#endif /* _MTK_VCODEC_INTR_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_pm.h
new file mode 100644
index 0000000..a28bb7c
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_pm.h
@@ -0,0 +1,26 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#ifndef _MTK_VCODEC_PM_H_
+#define _MTK_VCODEC_PM_H_
+
+#include "mtk_vcodec_drv.h"
+
+int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *dev);
+void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *dev);
+
+void mtk_vcodec_enc_clock_on(void);
+void mtk_vcodec_enc_clock_off(void);
+
+#endif /* _MTK_VCODEC_PM_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
new file mode 100644
index 0000000..3fede8d
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
@@ -0,0 +1,106 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: PC Chen <pc.chen@xxxxxxxxxxxx>
+* Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#include <linux/module.h>
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_util.h"
+#include "mtk_vpu.h"
+
+bool mtk_vcodec_dbg = false;
+int mtk_v4l2_dbg_level = 0;
+
+module_param(mtk_v4l2_dbg_level, int, S_IRUGO | S_IWUSR);
+module_param(mtk_vcodec_dbg, bool, S_IRUGO | S_IWUSR);
+
+void __iomem *mtk_vcodec_get_reg_addr(void *data, unsigned int reg_idx)
+{
+ struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
+
+ if (!data || reg_idx >= NUM_MAX_VCODEC_REG_BASE) {
+ mtk_v4l2_err("Invalid arguments");
+ return NULL;
+ }
+ return ctx->dev->reg_base[reg_idx];
+}
+
+int mtk_vcodec_mem_alloc(void *data, struct mtk_vcodec_mem *mem)
+{
+ unsigned long size = mem->size;
+ struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
+ struct device *dev = &ctx->dev->plat_dev->dev;
+
+ mem->va = dma_alloc_coherent(dev, size, &mem->dma_addr, GFP_KERNEL);
+
+ if (!mem->va) {
+ mtk_v4l2_err("%s dma_alloc size=%ld failed!", dev_name(dev),
+ size);
+ return -ENOMEM;
+ }
+
+ memset(mem->va, 0, size);
+
+ mtk_v4l2_debug(3, "[%d] - va = %p", ctx->idx, mem->va);
+ mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->idx,
+ (unsigned long)mem->dma_addr);
+ mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->idx, size);
+
+ return 0;
+}
+
+void mtk_vcodec_mem_free(void *data, struct mtk_vcodec_mem *mem)
+{
+ unsigned long size = mem->size;
+ struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
+ struct device *dev = &ctx->dev->plat_dev->dev;
+
+ dma_free_coherent(dev, size, mem->va, mem->dma_addr);
+ mem->va = NULL;
+
+ mtk_v4l2_debug(3, "[%d] - va = %p", ctx->idx, mem->va);
+ mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->idx,
+ (unsigned long)mem->dma_addr);
+ mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->idx, size);
+}
+
+int mtk_vcodec_get_ctx_id(void *data)
+{
+ struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
+
+ if (!ctx)
+ return -1;
+
+ return ctx->idx;
+}
+
+struct platform_device *mtk_vcodec_get_plat_dev(void *data)
+{
+ struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
+
+ if (!ctx)
+ return NULL;
+
+ return vpu_get_plat_device(ctx->dev->plat_dev);
+}
+
+void mtk_vcodec_fmt2str(u32 fmt, char *str)
+{
+ char a = fmt & 0xFF;
+ char b = (fmt >> 8) & 0xFF;
+ char c = (fmt >> 16) & 0xFF;
+ char d = (fmt >> 24) & 0xFF;
+
+ sprintf(str, "%c%c%c%c", a, b, c, d);
+}
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h
new file mode 100644
index 0000000..47016ae
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h
@@ -0,0 +1,85 @@
+/*
+* Copyright (c) 2015 MediaTek Inc.
+* Author: PC Chen <pc.chen@xxxxxxxxxxxx>
+* Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*/
+
+#ifndef _MTK_VCODEC_UTIL_H_
+#define _MTK_VCODEC_UTIL_H_
+
+#include <linux/types.h>
+#include <linux/dma-direction.h>
+
+struct mtk_vcodec_mem {
+ size_t size;
+ void *va;
+ dma_addr_t dma_addr;
+};
+
+extern int mtk_v4l2_dbg_level;
+extern bool mtk_vcodec_dbg;
+
+#define DEBUG 1
+
+#if defined(DEBUG)
+
+#define mtk_v4l2_debug(level, fmt, args...) \
+ do { \
+ if (mtk_v4l2_dbg_level >= level) \
+ pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\
+ level, __func__, __LINE__, ##args); \
+ } while (0)
+
+#define mtk_v4l2_err(fmt, args...) \
+ pr_err("[MTK_V4L2][ERROR] %s:%d: " fmt "\n", __func__, __LINE__, \
+ ##args)
+
+
+#define mtk_v4l2_debug_enter() mtk_v4l2_debug(3, "+\n")
+#define mtk_v4l2_debug_leave() mtk_v4l2_debug(3, "-\n")
+
+#define mtk_vcodec_debug(h, fmt, args...) \
+ do { \
+ if (mtk_vcodec_dbg) \
+ pr_info("[MTK_VCODEC][%d]: %s() " fmt "\n", \
+ ((struct mtk_vcodec_ctx *)h->ctx)->idx, \
+ __func__, ##args); \
+ } while (0)
+
+#define mtk_vcodec_err(h, fmt, args...) \
+ pr_err("[MTK_VCODEC][ERROR][%d]: %s() " fmt "\n", \
+ ((struct mtk_vcodec_ctx *)h->ctx)->idx, __func__, ##args)
+
+#define mtk_vcodec_debug_enter(h) mtk_vcodec_debug(h, "+\n")
+#define mtk_vcodec_debug_leave(h) mtk_vcodec_debug(h, "-\n")
+
+#else
+
+#define mtk_v4l2_debug(level, fmt, args...)
+#define mtk_v4l2_err(fmt, args...)
+#define mtk_v4l2_debug_enter()
+#define mtk_v4l2_debug_leave()
+
+#define mtk_vcodec_debug(h, fmt, args...)
+#define mtk_vcodec_err(h, fmt, args...)
+#define mtk_vcodec_debug_enter(h)
+#define mtk_vcodec_debug_leave(h)
+
+#endif
+
+void __iomem *mtk_vcodec_get_reg_addr(void *data, unsigned int reg_idx);
+int mtk_vcodec_mem_alloc(void *data, struct mtk_vcodec_mem *mem);
+void mtk_vcodec_mem_free(void *data, struct mtk_vcodec_mem *mem);
+int mtk_vcodec_get_ctx_id(void *data);
+struct platform_device *mtk_vcodec_get_plat_dev(void *data);
+void mtk_vcodec_fmt2str(u32 fmt, char *str);
+#endif /* _MTK_VCODEC_UTIL_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_base.h b/drivers/media/platform/mtk-vcodec/venc_drv_base.h
new file mode 100644
index 0000000..ed9cbf0
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/venc_drv_base.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx>
+ * Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _VENC_DRV_BASE_
+#define _VENC_DRV_BASE_
+
+#include "mtk_vcodec_drv.h"
+
+#include "venc_drv_if.h"
+
+struct venc_common_if {
+ /**
+ * (*init)() - initialize driver
+ * @ctx: [in] mtk v4l2 context
+ * @handle: [out] driver handle
+ */
+ int (*init)(struct mtk_vcodec_ctx *ctx, unsigned long *handle);
+
+ /**
+ * (*encode)() - trigger encode
+ * @handle: [in] driver handle
+ * @opt: [in] encode option
+ * @frm_buf: [in] frame buffer to store input frame
+ * @bs_buf: [in] bitstream buffer to store output bitstream
+ * @result: [out] encode result
+ */
+ int (*encode)(unsigned long handle, enum venc_start_opt opt,
+ struct venc_frm_buf *frm_buf,
+ struct mtk_vcodec_mem *bs_buf,
+ struct venc_done_result *result);
+
+ /**
+ * (*set_param)() - set driver's parameter
+ * @handle: [in] driver handle
+ * @type: [in] parameter type
+ * @in: [in] buffer to store the parameter
+ */
+ int (*set_param)(unsigned long handle, enum venc_set_param_type type,
+ void *in);
+
+ /**
+ * (*deinit)() - deinitialize driver.
+ * @handle: [in] driver handle
+ */
+ int (*deinit)(unsigned long handle);
+};
+
+
+#endif
diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
new file mode 100644
index 0000000..63e7df0
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx>
+ * Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include "venc_drv_if.h"
+#include "mtk_vcodec_enc.h"
+#include "mtk_vcodec_pm.h"
+#include "mtk_vpu.h"
+
+#include "venc_drv_base.h"
+
+int venc_if_create(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
+{
+ char str[10];
+ int ret = 0;
+
+ mtk_vcodec_fmt2str(fourcc, str);
+
+ switch (fourcc) {
+ case V4L2_PIX_FMT_VP8:
+ case V4L2_PIX_FMT_H264:
+ default:
+ goto err_out;
+ }
+
+ mtk_venc_lock(ctx);
+ mtk_vcodec_enc_clock_on();
+ ret = ctx->enc_if->init(ctx, (unsigned long *)&ctx->drv_handle);
+ mtk_vcodec_enc_clock_off();
+ mtk_venc_unlock(ctx);
+
+ return 0;
+
+err_out:
+ return -EINVAL;
+}
+
+
+int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
+ enum venc_set_param_type type, void *in)
+{
+ int ret = 0;
+
+ mtk_venc_lock(ctx);
+ mtk_vcodec_enc_clock_on();
+ ret = ctx->enc_if->set_param(ctx->drv_handle, type, in);
+ mtk_vcodec_enc_clock_off();
+ mtk_venc_unlock(ctx);
+
+ return ret;
+}
+
+int venc_if_encode(struct mtk_vcodec_ctx *ctx,
+ enum venc_start_opt opt, struct venc_frm_buf *frm_buf,
+ struct mtk_vcodec_mem *bs_buf,
+ struct venc_done_result *result)
+{
+ int ret = 0;
+
+ mtk_venc_lock(ctx);
+ mtk_vcodec_enc_clock_on();
+ ret = ctx->enc_if->encode(ctx->drv_handle, opt, frm_buf, bs_buf, result);
+ mtk_vcodec_enc_clock_off();
+ mtk_venc_unlock(ctx);
+
+ return ret;
+}
+
+int venc_if_release(struct mtk_vcodec_ctx *ctx)
+{
+ int ret = 0;
+
+ if(ctx->drv_handle == 0)
+ return 0;
+
+ mtk_venc_lock(ctx);
+ mtk_vcodec_enc_clock_on();
+ ret = ctx->enc_if->deinit(ctx->drv_handle);
+ mtk_vcodec_enc_clock_off();
+ mtk_venc_unlock(ctx);
+
+ ctx->drv_handle = 0;
+
+ return ret;
+}
+
diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.h b/drivers/media/platform/mtk-vcodec/venc_drv_if.h
new file mode 100644
index 0000000..ef82b73
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.h
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx>
+ * Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _VENC_DRV_IF_H_
+#define _VENC_DRV_IF_H_
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_util.h"
+
+/*
+ * enum venc_yuv_fmt - The type of input yuv format
+ * (VPU related: If you change the order, you must also update the VPU codes.)
+ * @VENC_YUV_FORMAT_420: 420 YUV format
+ * @VENC_YUV_FORMAT_YV12: YV12 YUV format
+ * @VENC_YUV_FORMAT_NV12: NV12 YUV format
+ * @VENC_YUV_FORMAT_NV21: NV21 YUV format
+ */
+enum venc_yuv_fmt {
+ VENC_YUV_FORMAT_420 = 3,
+ VENC_YUV_FORMAT_YV12 = 5,
+ VENC_YUV_FORMAT_NV12 = 6,
+ VENC_YUV_FORMAT_NV21 = 7,
+};
+
+/*
+ * enum venc_start_opt - encode frame option used in venc_if_encode()
+ * @VENC_START_OPT_ENCODE_SEQUENCE_HEADER: encode SPS/PPS for H264
+ * @VENC_START_OPT_ENCODE_FRAME: encode normal frame
+ */
+enum venc_start_opt {
+ VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
+ VENC_START_OPT_ENCODE_FRAME,
+};
+
+/*
+ * enum venc_drv_msg - The type of encode frame status used in venc_if_encode()
+ * @VENC_MESSAGE_OK: encode ok
+ * @VENC_MESSAGE_ERR: encode error
+ */
+enum venc_drv_msg {
+ VENC_MESSAGE_OK,
+ VENC_MESSAGE_ERR,
+};
+
+/*
+ * enum venc_set_param_type - The type of set parameter used in venc_if_set_param()
+ * (VPU related: If you change the order, you must also update the VPU codes.)
+ * @VENC_SET_PARAM_ENC: set encoder parameters
+ * @VENC_SET_PARAM_FORCE_INTRA: set force intra frame
+ * @VENC_SET_PARAM_ADJUST_BITRATE: set to adjust bitrate (in bps)
+ * @VENC_SET_PARAM_ADJUST_FRAMERATE: set frame rate
+ * @VENC_SET_PARAM_I_FRAME_INTERVAL: set I frame interval
+ * @VENC_SET_PARAM_SKIP_FRAME: set H264 skip one frame
+ * @VENC_SET_PARAM_PREPEND_HEADER: set H264 prepend SPS/PPS before IDR
+ * @VENC_SET_PARAM_TS_MODE: set VP8 temporal scalability mode
+ */
+enum venc_set_param_type {
+ VENC_SET_PARAM_ENC,
+ VENC_SET_PARAM_FORCE_INTRA,
+ VENC_SET_PARAM_ADJUST_BITRATE,
+ VENC_SET_PARAM_ADJUST_FRAMERATE,
+ VENC_SET_PARAM_I_FRAME_INTERVAL,
+ VENC_SET_PARAM_SKIP_FRAME,
+ VENC_SET_PARAM_PREPEND_HEADER,
+ VENC_SET_PARAM_TS_MODE,
+};
+
+/*
+ * struct venc_enc_prm - encoder settings for VENC_SET_PARAM_ENC used in venc_if_set_param()
+ * @input_fourcc: input fourcc
+ * @h264_profile: V4L2 defined H.264 profile
+ * @h264_level: V4L2 defined H.264 level
+ * @width: image width
+ * @height: image height
+ * @buf_width: buffer width
+ * @buf_height: buffer height
+ * @frm_rate: frame rate
+ * @intra_period: intra frame period
+ * @bitrate: target bitrate in kbps
+ */
+struct venc_enc_prm {
+ enum venc_yuv_fmt input_fourcc;
+ unsigned int h264_profile;
+ unsigned int h264_level;
+ unsigned int width;
+ unsigned int height;
+ unsigned int buf_width;
+ unsigned int buf_height;
+ unsigned int frm_rate;
+ unsigned int intra_period;
+ unsigned int bitrate;
+};
+
+/*
+ * struct venc_frm_buf - frame buffer information used in venc_if_encode()
+ * @fb_addr: plane 0 frame buffer address
+ * @fb_addr1: plane 1 frame buffer address
+ * @fb_addr2: plane 2 frame buffer address
+ */
+struct venc_frm_buf {
+ struct mtk_vcodec_mem fb_addr;
+ struct mtk_vcodec_mem fb_addr1;
+ struct mtk_vcodec_mem fb_addr2;
+};
+
+/*
+ * struct venc_done_result - This is return information used in venc_if_encode()
+ * @msg: message, such as success or error code
+ * @bs_size: output bitstream size
+ * @is_key_frm: output is key frame or not
+ */
+struct venc_done_result {
+ enum venc_drv_msg msg;
+ unsigned int bs_size;
+ bool is_key_frm;
+};
+
+/*
+ * venc_if_create - Create the driver handle
+ * @ctx: device context
+ * @fourcc: encoder output format
+ * @handle: driver handle
+ * Return: 0 if creating handle successfully, otherwise it is failed.
+ */
+int venc_if_create(struct mtk_vcodec_ctx *ctx, unsigned int fourcc);
+
+/*
+ * venc_if_release - Release the driver handle
+ * @handle: driver handle
+ * Return: 0 if releasing handle successfully, otherwise it is failed.
+ */
+int venc_if_release(struct mtk_vcodec_ctx *ctx);
+
+/*
+ * venc_if_set_param - Set parameter to driver
+ * @handle: driver handle
+ * @type: set type
+ * @in: input parameter
+ * @out: output parameter
+ * Return: 0 if setting param successfully, otherwise it is failed.
+ */
+int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
+ enum venc_set_param_type type,
+ void *in);
+
+/*
+ * venc_if_encode - Encode frame
+ * @handle: driver handle
+ * @opt: encode frame option
+ * @frm_buf: input frame buffer information
+ * @bs_buf: output bitstream buffer infomraiton
+ * @result: encode result
+ * Return: 0 if encoding frame successfully, otherwise it is failed.
+ */
+int venc_if_encode(struct mtk_vcodec_ctx *ctx,
+ enum venc_start_opt opt,
+ struct venc_frm_buf *frm_buf,
+ struct mtk_vcodec_mem *bs_buf,
+ struct venc_done_result *result);
+
+#endif /* _VENC_DRV_IF_H_ */
diff --git a/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h b/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h
new file mode 100644
index 0000000..a345b98
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h
@@ -0,0 +1,212 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Jungchang Tsao <jungchang.tsao@xxxxxxxxxxxx>
+ * Daniel Hsiao <daniel.hsiao@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _VENC_IPI_MSG_H_
+#define _VENC_IPI_MSG_H_
+
+#define IPIMSG_H264_ENC_ID 0x100
+#define IPIMSG_VP8_ENC_ID 0x200
+
+#define AP_IPIMSG_VENC_BASE 0x20000
+#define VPU_IPIMSG_VENC_BASE 0x30000
+
+/**
+ * enum venc_ipi_msg_id - message id between AP and VPU
+ * (ipi stands for inter-processor interrupt)
+ * @AP_IPIMSG_XXX: AP to VPU cmd message id
+ * @VPU_IPIMSG_XXX_DONE: VPU ack AP cmd message id
+ */
+enum venc_ipi_msg_id {
+ AP_IPIMSG_H264_ENC_INIT = AP_IPIMSG_VENC_BASE +
+ IPIMSG_H264_ENC_ID,
+ AP_IPIMSG_H264_ENC_SET_PARAM,
+ AP_IPIMSG_H264_ENC_ENCODE,
+ AP_IPIMSG_H264_ENC_DEINIT,
+
+ AP_IPIMSG_VP8_ENC_INIT = AP_IPIMSG_VENC_BASE +
+ IPIMSG_VP8_ENC_ID,
+ AP_IPIMSG_VP8_ENC_SET_PARAM,
+ AP_IPIMSG_VP8_ENC_ENCODE,
+ AP_IPIMSG_VP8_ENC_DEINIT,
+
+ VPU_IPIMSG_H264_ENC_INIT_DONE = VPU_IPIMSG_VENC_BASE +
+ IPIMSG_H264_ENC_ID,
+ VPU_IPIMSG_H264_ENC_SET_PARAM_DONE,
+ VPU_IPIMSG_H264_ENC_ENCODE_DONE,
+ VPU_IPIMSG_H264_ENC_DEINIT_DONE,
+
+ VPU_IPIMSG_VP8_ENC_INIT_DONE = VPU_IPIMSG_VENC_BASE +
+ IPIMSG_VP8_ENC_ID,
+ VPU_IPIMSG_VP8_ENC_SET_PARAM_DONE,
+ VPU_IPIMSG_VP8_ENC_ENCODE_DONE,
+ VPU_IPIMSG_VP8_ENC_DEINIT_DONE,
+};
+
+/**
+ * struct venc_ap_ipi_msg_init - AP to VPU init cmd structure
+ * @msg_id: message id (AP_IPIMSG_XXX_ENC_INIT)
+ * @venc_inst: AP encoder instance (struct venc_vp8_handle/venc_h264_handle *)
+ */
+struct venc_ap_ipi_msg_init {
+ uint32_t msg_id;
+ uint32_t reserved;
+ uint64_t venc_inst;
+};
+
+/**
+ * struct venc_ap_ipi_msg_set_param - AP to VPU set_param cmd structure
+ * @msg_id: message id (AP_IPIMSG_XXX_ENC_SET_PARAM)
+ * @inst_id: VPU encoder instance id (struct venc_vp8_vpu_drv/venc_h264_vpu_drv *)
+ * @param_id: parameter id (venc_set_param_type)
+ * @data_item: number of items in the data array
+ * @data[8]: data array to store the set parameters
+ */
+struct venc_ap_ipi_msg_set_param {
+ uint32_t msg_id;
+ uint32_t inst_id;
+ uint32_t param_id;
+ uint32_t data_item;
+ uint32_t data[8];
+};
+
+/**
+ * struct venc_ap_ipi_msg_enc - AP to VPU enc cmd structure
+ * @msg_id: message id (AP_IPIMSG_XXX_ENC_ENCODE)
+ * @inst_id: VPU encoder instance id (struct venc_vp8_vpu_drv/venc_h264_vpu_drv *)
+ * @bs_mode: bitstream mode for h264
+ * (H264_BS_MODE_SPS/H264_BS_MODE_PPS/H264_BS_MODE_FRAME)
+ * @input_addr: pointer to input image buffer plane
+ * @bs_addr: pointer to output bit stream buffer
+ * @bs_size: bit stream buffer size
+ */
+struct venc_ap_ipi_msg_enc {
+ uint32_t msg_id;
+ uint32_t inst_id;
+ uint32_t bs_mode;
+ uint32_t input_addr[3];
+ uint32_t bs_addr;
+ uint32_t bs_size;
+};
+
+/**
+ * struct venc_ap_ipi_msg_deinit - AP to VPU deinit cmd structure
+ * @msg_id: message id (AP_IPIMSG_XXX_ENC_DEINIT)
+ * @inst_id: VPU encoder instance id (struct venc_vp8_vpu_drv/venc_h264_vpu_drv *)
+ */
+struct venc_ap_ipi_msg_deinit {
+ uint32_t msg_id;
+ uint32_t inst_id;
+};
+
+/**
+ * enum venc_ipi_msg_status - VPU ack AP cmd status
+ */
+enum venc_ipi_msg_status {
+ VENC_IPI_MSG_STATUS_OK,
+ VENC_IPI_MSG_STATUS_FAIL,
+};
+
+/**
+ * struct venc_vpu_ipi_msg_common - VPU ack AP cmd common structure
+ * @msg_id: message id (VPU_IPIMSG_XXX_DONE)
+ * @status: cmd status (venc_ipi_msg_status)
+ * @venc_inst: AP encoder instance (struct venc_vp8_handle/venc_h264_handle *)
+ */
+struct venc_vpu_ipi_msg_common {
+ uint32_t msg_id;
+ uint32_t status;
+ uint64_t venc_inst;
+};
+
+/**
+ * struct venc_vpu_ipi_msg_init - VPU ack AP init cmd structure
+ * @msg_id: message id (VPU_IPIMSG_XXX_ENC_SET_PARAM_DONE)
+ * @status: cmd status (venc_ipi_msg_status)
+ * @venc_inst: AP encoder instance (struct venc_vp8_handle/venc_h264_handle *)
+ * @inst_id: VPU encoder instance id (struct venc_vp8_vpu_drv/venc_h264_vpu_drv *)
+ */
+struct venc_vpu_ipi_msg_init {
+ uint32_t msg_id;
+ uint32_t status;
+ uint64_t venc_inst;
+ uint32_t inst_id;
+ uint32_t reserved;
+};
+
+/**
+ * struct venc_vpu_ipi_msg_set_param - VPU ack AP set_param cmd structure
+ * @msg_id: message id (VPU_IPIMSG_XXX_ENC_SET_PARAM_DONE)
+ * @status: cmd status (venc_ipi_msg_status)
+ * @venc_inst: AP encoder instance (struct venc_vp8_handle/venc_h264_handle *)
+ * @param_id: parameter id (venc_set_param_type)
+ * @data_item: number of items in the data array
+ * @data[6]: data array to store the return result
+ */
+struct venc_vpu_ipi_msg_set_param {
+ uint32_t msg_id;
+ uint32_t status;
+ uint64_t venc_inst;
+ uint32_t param_id;
+ uint32_t data_item;
+ uint32_t data[6];
+};
+
+/**
+ * enum venc_ipi_msg_enc_state - Type of encode state
+ * VEN_IPI_MSG_ENC_STATE_FRAME: one frame being encoded
+ * VEN_IPI_MSG_ENC_STATE_PART: bit stream buffer full
+ * VEN_IPI_MSG_ENC_STATE_SKIP: encoded skip frame
+ * VEN_IPI_MSG_ENC_STATE_ERROR: encounter error
+ */
+enum venc_ipi_msg_enc_state {
+ VEN_IPI_MSG_ENC_STATE_FRAME,
+ VEN_IPI_MSG_ENC_STATE_PART,
+ VEN_IPI_MSG_ENC_STATE_SKIP,
+ VEN_IPI_MSG_ENC_STATE_ERROR,
+};
+
+/**
+ * struct venc_vpu_ipi_msg_enc - VPU ack AP enc cmd structure
+ * @msg_id: message id (VPU_IPIMSG_XXX_ENC_ENCODE_DONE)
+ * @status: cmd status (venc_ipi_msg_status)
+ * @venc_inst: AP encoder instance (struct venc_vp8_handle/venc_h264_handle *)
+ * @state: encode state (venc_ipi_msg_enc_state)
+ * @key_frame: whether the encoded frame is key frame
+ * @bs_size: encoded bitstream size
+ */
+struct venc_vpu_ipi_msg_enc {
+ uint32_t msg_id;
+ uint32_t status;
+ uint64_t venc_inst;
+ uint32_t state;
+ uint32_t key_frame;
+ uint32_t bs_size;
+ uint32_t reserved;
+};
+
+/**
+ * struct venc_vpu_ipi_msg_deinit - VPU ack AP deinit cmd structure
+ * @msg_id: message id (VPU_IPIMSG_XXX_ENC_DEINIT_DONE)
+ * @status: cmd status (venc_ipi_msg_status)
+ * @venc_inst: AP encoder instance (struct venc_vp8_handle/venc_h264_handle *)
+ */
+struct venc_vpu_ipi_msg_deinit {
+ uint32_t msg_id;
+ uint32_t status;
+ uint64_t venc_inst;
+};
+
+#endif /* _VENC_IPI_MSG_H_ */
--
1.7.9.5

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