--- /dev/null
+/*
+ * Samsung S5P Multi Format Codec v 5.0
+ *
+ * This file contains definitions of enums and structs used by the codec
+ * driver.
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ * Kamil Debski, <k.debski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version
+ */
+
+#ifndef S5P_MFC_COMMON_H_
+#define S5P_MFC_COMMON_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 "regs-mfc.h"
+#include "regs-mfc-v8.h"
+
+/* Definitions related to MFC memory */
+
+/* Offset base used to differentiate between CAPTURE and OUTPUT
+* while mmaping */
+#define DST_QUEUE_OFF_BASE (1 << 30)
+
+#define MFC_BANK1_ALLOC_CTX 0
+#define MFC_BANK2_ALLOC_CTX 1
+
+#define MFC_BANK1_ALIGN_ORDER 13
+#define MFC_BANK2_ALIGN_ORDER 13
+#define MFC_BASE_ALIGN_ORDER 17
+
+#define MFC_FW_MAX_VERSIONS 2
+
+#include <media/videobuf2-dma-contig.h>
+
+static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
+{
+ /* Same functionality as the vb2_dma_contig_plane_paddr */
+ dma_addr_t *paddr = vb2_dma_contig_memops.cookie(b);
+
+ return *paddr;
+}
+
+/* MFC definitions */
+#define MFC_MAX_EXTRA_DPB 5
+#define MFC_MAX_BUFFERS 32
+#define MFC_NUM_CONTEXTS 4
+/* Interrupt timeout */
+#define MFC_INT_TIMEOUT 2000
+/* Busy wait timeout */
+#define MFC_BW_TIMEOUT 500
+/* Watchdog interval */
+#define MFC_WATCHDOG_INTERVAL 1000
+/* After how many executions watchdog should assume lock up */
+#define MFC_WATCHDOG_CNT 10
+#define MFC_NO_INSTANCE_SET -1
+#define MFC_ENC_CAP_PLANE_COUNT 1
+#define MFC_ENC_OUT_PLANE_COUNT 2
+#define STUFF_BYTE 4
+#define MFC_MAX_CTRLS 77
+
+#define S5P_MFC_CODEC_NONE -1
+#define S5P_MFC_CODEC_H264_DEC 0
+#define S5P_MFC_CODEC_H264_MVC_DEC 1
+#define S5P_MFC_CODEC_VC1_DEC 2
+#define S5P_MFC_CODEC_MPEG4_DEC 3
+#define S5P_MFC_CODEC_MPEG2_DEC 4
+#define S5P_MFC_CODEC_H263_DEC 5
+#define S5P_MFC_CODEC_VC1RCV_DEC 6
+#define S5P_MFC_CODEC_VP8_DEC 7
+
+#define S5P_MFC_CODEC_H264_ENC 20
+#define S5P_MFC_CODEC_H264_MVC_ENC 21
+#define S5P_MFC_CODEC_MPEG4_ENC 22
+#define S5P_MFC_CODEC_H263_ENC 23
+#define S5P_MFC_CODEC_VP8_ENC 24
+
+#define S5P_MFC_R2H_CMD_EMPTY 0
+#define S5P_MFC_R2H_CMD_SYS_INIT_RET 1
+#define S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET 2
+#define S5P_MFC_R2H_CMD_SEQ_DONE_RET 3
+#define S5P_MFC_R2H_CMD_INIT_BUFFERS_RET 4
+#define S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET 6
+#define S5P_MFC_R2H_CMD_SLEEP_RET 7
+#define S5P_MFC_R2H_CMD_WAKEUP_RET 8
+#define S5P_MFC_R2H_CMD_COMPLETE_SEQ_RET 9
+#define S5P_MFC_R2H_CMD_DPB_FLUSH_RET 10
+#define S5P_MFC_R2H_CMD_NAL_ABORT_RET 11
+#define S5P_MFC_R2H_CMD_FW_STATUS_RET 12
+#define S5P_MFC_R2H_CMD_FRAME_DONE_RET 13
+#define S5P_MFC_R2H_CMD_FIELD_DONE_RET 14
+#define S5P_MFC_R2H_CMD_SLICE_DONE_RET 15
+#define S5P_MFC_R2H_CMD_ENC_BUFFER_FUL_RET 16
+#define S5P_MFC_R2H_CMD_ERR_RET 32
+
+#define mfc_read(dev, offset) readl(dev->regs_base + (offset))
+#define mfc_write(dev, data, offset) writel((data), dev->regs_base + \
+ (offset))
+
+/**
+ * enum s5p_mfc_fmt_type - type of the pixelformat
+ */
+enum s5p_mfc_fmt_type {
+ MFC_FMT_DEC,
+ MFC_FMT_ENC,
+ MFC_FMT_RAW,
+};
+
+/**
+ * enum s5p_mfc_inst_type - The type of an MFC instance.
+ */
+enum s5p_mfc_inst_type {
+ MFCINST_INVALID,
+ MFCINST_DECODER,
+ MFCINST_ENCODER,
+};
+
+/**
+ * enum s5p_mfc_inst_state - The state of an MFC instance.
+ */
+enum s5p_mfc_inst_state {
+ MFCINST_FREE = 0,
+ MFCINST_INIT = 100,
+ MFCINST_GOT_INST,
+ MFCINST_HEAD_PARSED,
+ MFCINST_HEAD_PRODUCED,
+ MFCINST_BUFS_SET,
+ MFCINST_RUNNING,
+ MFCINST_FINISHING,
+ MFCINST_FINISHED,
+ MFCINST_RETURN_INST,
+ MFCINST_ERROR,
+ MFCINST_ABORT,
+ MFCINST_FLUSH,
+ MFCINST_RES_CHANGE_INIT,
+ MFCINST_RES_CHANGE_FLUSH,
+ MFCINST_RES_CHANGE_END,
+};
+
+/**
+ * enum s5p_mfc_queue_state - The state of buffer queue.
+ */
+enum s5p_mfc_queue_state {
+ QUEUE_FREE,
+ QUEUE_BUFS_REQUESTED,
+ QUEUE_BUFS_QUERIED,
+ QUEUE_BUFS_MMAPED,
+};
+
+/**
+ * enum s5p_mfc_decode_arg - type of frame decoding
+ */
+enum s5p_mfc_decode_arg {
+ MFC_DEC_FRAME,
+ MFC_DEC_LAST_FRAME,
+ MFC_DEC_RES_CHANGE,
+};
+
+enum s5p_mfc_fw_ver {
+ MFC_FW_V1,
+ MFC_FW_V2,
+};
+
+#define MFC_BUF_FLAG_USED (1 << 0)
+#define MFC_BUF_FLAG_EOS (1 << 1)
+
+struct s5p_mfc_ctx;
+
+/**
+ * struct s5p_mfc_buf - MFC buffer
+ */
+struct s5p_mfc_buf {
+ struct list_head list;
+ struct vb2_buffer *b;
+ union {
+ struct {
+ size_t luma;
+ size_t chroma;
+ } raw;
+ size_t stream;
+ } cookie;
+ int flags;
+};
+
+/**
+ * struct s5p_mfc_pm - power management data structure
+ */
+struct s5p_mfc_pm {
+ struct clk *clock;
+ struct clk *clock_gate;
+ atomic_t power;
+ struct device *device;
+};
+
+struct s5p_mfc_buf_size_v5 {
+ unsigned int h264_ctx;
+ unsigned int non_h264_ctx;
+ unsigned int dsc;
+ unsigned int shm;
+};
+
+struct s5p_mfc_buf_size_v6 {
+ unsigned int dev_ctx;
+ unsigned int h264_dec_ctx;
+ unsigned int other_dec_ctx;
+ unsigned int h264_enc_ctx;
+ unsigned int other_enc_ctx;
+};
+
+struct s5p_mfc_buf_size {
+ unsigned int fw;
+ unsigned int cpb;
+ void *priv;
+};
+
+struct s5p_mfc_buf_align {
+ unsigned int base;
+};
+
+struct s5p_mfc_variant {
+ unsigned int version;
+ unsigned int port_num;
+ u32 version_bit;
+ struct s5p_mfc_buf_size *buf_size;
+ struct s5p_mfc_buf_align *buf_align;
+ char *fw_name[MFC_FW_MAX_VERSIONS];
+};
+
+/**
+ * struct s5p_mfc_priv_buf - represents internal used buffer
+ * @ofs: offset of each buffer, will be used for MFC
+ * @virt: kernel virtual address, only valid when the
+ * buffer accessed by driver
+ * @dma: DMA address, only valid when kernel DMA API used
+ * @size: size of the buffer
+ */
+struct s5p_mfc_priv_buf {
+ unsigned long ofs;
+ void *virt;
+ dma_addr_t dma;
+ size_t size;
+};
+
+/**
+ * struct s5p_mfc_dev - The struct containing driver internal parameters.
+ *
+ * @v4l2_dev: v4l2_device
+ * @vfd_dec: video device for decoding
+ * @vfd_enc: video device for encoding
+ * @plat_dev: platform device
+ * @mem_dev_l: child device of the left memory bank (0)
+ * @mem_dev_r: child device of the right memory bank (1)
+ * @regs_base: base address of the MFC hw registers
+ * @irq: irq resource
+ * @dec_ctrl_handler: control framework handler for decoding
+ * @enc_ctrl_handler: control framework handler for encoding
+ * @pm: power management control
+ * @variant: MFC hardware variant information
+ * @num_inst: couter of active MFC instances
+ * @irqlock: lock for operations on videobuf2 queues
+ * @condlock: lock for changing/checking if a context is ready to be
+ * processed
+ * @mfc_mutex: lock for video_device
+ * @int_cond: variable used by the waitqueue
+ * @int_type: type of last interrupt
+ * @int_err: error number for last interrupt
+ * @queue: waitqueue for waiting for completion of device commands
+ * @fw_size: size of firmware
+ * @fw_virt_addr: virtual firmware address
+ * @bank1: address of the beginning of bank 1 memory
+ * @bank2: address of the beginning of bank 2 memory
+ * @hw_lock: used for hardware locking
+ * @ctx: array of driver contexts
+ * @curr_ctx: number of the currently running context
+ * @ctx_work_bits: used to mark which contexts are waiting for hardware
+ * @watchdog_cnt: counter for the watchdog
+ * @watchdog_workqueue: workqueue for the watchdog
+ * @watchdog_work: worker for the watchdog
+ * @alloc_ctx: videobuf2 allocator contexts for two memory banks
+ * @enter_suspend: flag set when entering suspend
+ * @ctx_buf: common context memory (MFCv6)
+ * @warn_start: hardware error code from which warnings start
+ * @mfc_ops: ops structure holding HW operation function pointers
+ * @mfc_cmds: cmd structure holding HW commands function pointers
+ * @fw_ver: loaded firmware sub-version
+ *
+ */
+struct s5p_mfc_dev {
+ struct v4l2_device v4l2_dev;
+ struct video_device *vfd_dec;
+ struct video_device *vfd_enc;
+ struct platform_device *plat_dev;
+ struct device *mem_dev_l;
+ struct device *mem_dev_r;
+ void __iomem *regs_base;
+ int irq;
+ struct v4l2_ctrl_handler dec_ctrl_handler;
+ struct v4l2_ctrl_handler enc_ctrl_handler;
+ struct s5p_mfc_pm pm;
+ struct s5p_mfc_variant *variant;
+ int num_inst;
+ spinlock_t irqlock; /* lock when operating on videobuf2 queues */
+ spinlock_t condlock; /* lock when changing/checking if a context is
+ ready to be processed */
+ struct mutex mfc_mutex; /* video_device lock */
+ int int_cond;
+ int int_type;
+ unsigned int int_err;
+ wait_queue_head_t queue;
+ size_t fw_size;
+ void *fw_virt_addr;
+ dma_addr_t bank1;
+ dma_addr_t bank2;
+ unsigned long hw_lock;
+ struct s5p_mfc_ctx *ctx[MFC_NUM_CONTEXTS];
+ int curr_ctx;
+ unsigned long ctx_work_bits;
+ atomic_t watchdog_cnt;
+ struct timer_list watchdog_timer;
+ struct workqueue_struct *watchdog_workqueue;
+ struct work_struct watchdog_work;
+ void *alloc_ctx[2];
+ unsigned long enter_suspend;
+
+ struct s5p_mfc_priv_buf ctx_buf;
+ int warn_start;
+ struct s5p_mfc_hw_ops *mfc_ops;
+ struct s5p_mfc_hw_cmds *mfc_cmds;
+ const struct s5p_mfc_regs *mfc_regs;
+ enum s5p_mfc_fw_ver fw_ver;
+ bool risc_on; /* indicates if RISC is on or off */
+};
+
+/**
+ * struct s5p_mfc_h264_enc_params - encoding parameters for h264
+ */
+struct s5p_mfc_h264_enc_params {
+ enum v4l2_mpeg_video_h264_profile profile;
+ enum v4l2_mpeg_video_h264_loop_filter_mode loop_filter_mode;
+ s8 loop_filter_alpha;
+ s8 loop_filter_beta;
+ enum v4l2_mpeg_video_h264_entropy_mode entropy_mode;
+ u8 max_ref_pic;
+ u8 num_ref_pic_4p;
+ int _8x8_transform;
+ int rc_mb_dark;
+ int rc_mb_smooth;
+ int rc_mb_static;
+ int rc_mb_activity;
+ int vui_sar;
+ u8 vui_sar_idc;
+ u16 vui_ext_sar_width;
+ u16 vui_ext_sar_height;
+ int open_gop;
+ u16 open_gop_size;
+ u8 rc_frame_qp;
+ u8 rc_min_qp;
+ u8 rc_max_qp;
+ u8 rc_p_frame_qp;
+ u8 rc_b_frame_qp;
+ enum v4l2_mpeg_video_h264_level level_v4l2;
+ int level;
+ u16 cpb_size;
+ int interlace;
+ u8 hier_qp;
+ u8 hier_qp_type;
+ u8 hier_qp_layer;
+ u8 hier_qp_layer_qp[7];
+ u8 sei_frame_packing;
+ u8 sei_fp_curr_frame_0;
+ u8 sei_fp_arrangement_type;
+
+ u8 fmo;
+ u8 fmo_map_type;
+ u8 fmo_slice_grp;
+ u8 fmo_chg_dir;
+ u32 fmo_chg_rate;
+ u32 fmo_run_len[4];
+ u8 aso;
+ u32 aso_slice_order[8];
+};
+
+/**
+ * struct s5p_mfc_mpeg4_enc_params - encoding parameters for h263 and mpeg4
+ */
+struct s5p_mfc_mpeg4_enc_params {
+ /* MPEG4 Only */
+ enum v4l2_mpeg_video_mpeg4_profile profile;
+ int quarter_pixel;
+ /* Common for MPEG4, H263 */
+ u16 vop_time_res;
+ u16 vop_frm_delta;
+ u8 rc_frame_qp;
+ u8 rc_min_qp;
+ u8 rc_max_qp;
+ u8 rc_p_frame_qp;
+ u8 rc_b_frame_qp;
+ enum v4l2_mpeg_video_mpeg4_level level_v4l2;
+ int level;
+};
+
+/**
+ * struct s5p_mfc_vp8_enc_params - encoding parameters for vp8
+ */
+struct s5p_mfc_vp8_enc_params {
+ u8 imd_4x4;
+ enum v4l2_vp8_num_partitions num_partitions;
+ enum v4l2_vp8_num_ref_frames num_ref;
+ u8 filter_level;
+ u8 filter_sharpness;
+ u32 golden_frame_ref_period;
+ enum v4l2_vp8_golden_frame_sel golden_frame_sel;
+ u8 hier_layer;
+ u8 hier_layer_qp[3];
+ u8 rc_min_qp;
+ u8 rc_max_qp;
+ u8 rc_frame_qp;
+ u8 rc_p_frame_qp;
+ u8 profile;
+};
+
+/**
+ * struct s5p_mfc_enc_params - general encoding parameters
+ */
+struct s5p_mfc_enc_params {
+ u16 width;
+ u16 height;
+ u32 mv_h_range;
+ u32 mv_v_range;
+
+ u16 gop_size;
+ enum v4l2_mpeg_video_multi_slice_mode slice_mode;
+ u16 slice_mb;
+ u32 slice_bit;
+ u16 intra_refresh_mb;
+ int pad;
+ u8 pad_luma;
+ u8 pad_cb;
+ u8 pad_cr;
+ int rc_frame;
+ int rc_mb;
+ u32 rc_bitrate;
+ u16 rc_reaction_coeff;
+ u16 vbv_size;
+ u32 vbv_delay;
+
+ enum v4l2_mpeg_video_header_mode seq_hdr_mode;
+ enum v4l2_mpeg_mfc51_video_frame_skip_mode frame_skip_mode;
+ int fixed_target_bit;
+
+ u8 num_b_frame;
+ u32 rc_framerate_num;
+ u32 rc_framerate_denom;
+
+ struct {
+ struct s5p_mfc_h264_enc_params h264;
+ struct s5p_mfc_mpeg4_enc_params mpeg4;
+ struct s5p_mfc_vp8_enc_params vp8;
+ } codec;
+
+};
+
+/**
+ * struct s5p_mfc_codec_ops - codec ops, used by encoding
+ */
+struct s5p_mfc_codec_ops {
+ /* initialization routines */
+ int (*pre_seq_start) (struct s5p_mfc_ctx *ctx);
+ int (*post_seq_start) (struct s5p_mfc_ctx *ctx);
+ /* execution routines */
+ int (*pre_frame_start) (struct s5p_mfc_ctx *ctx);
+ int (*post_frame_start) (struct s5p_mfc_ctx *ctx);
+};
+
+#define call_cop(c, op, args...) \
+ (((c)->c_ops->op) ? \
+ ((c)->c_ops->op(args)) : 0)
+
+/**
+ * struct s5p_mfc_ctx - This struct contains the instance context
+ *
+ * @dev: pointer to the s5p_mfc_dev of the device
+ * @fh: struct v4l2_fh
+ * @num: number of the context that this structure describes
+ * @int_cond: variable used by the waitqueue
+ * @int_type: type of the last interrupt
+ * @int_err: error number received from MFC hw in the interrupt
+ * @queue: waitqueue that can be used to wait for this context to
+ * finish
+ * @src_fmt: source pixelformat information
+ * @dst_fmt: destination pixelformat information
+ * @vq_src: vb2 queue for source buffers
+ * @vq_dst: vb2 queue for destination buffers
+ * @src_queue: driver internal queue for source buffers
+ * @dst_queue: driver internal queue for destination buffers
+ * @src_queue_cnt: number of buffers queued on the source internal queue
+ * @dst_queue_cnt: number of buffers queued on the dest internal queue
+ * @type: type of the instance - decoder or encoder
+ * @state: state of the context
+ * @inst_no: number of hw instance associated with the context
+ * @img_width: width of the image that is decoded or encoded
+ * @img_height: height of the image that is decoded or encoded
+ * @buf_width: width of the buffer for processed image
+ * @buf_height: height of the buffer for processed image
+ * @luma_size: size of a luma plane
+ * @chroma_size: size of a chroma plane
+ * @mv_size: size of a motion vectors buffer
+ * @consumed_stream: number of bytes that have been used so far from the
+ * decoding buffer
+ * @dpb_flush_flag: flag used to indicate that a DPB buffers are being
+ * flushed
+ * @head_processed: flag mentioning whether the header data is processed
+ * completely or not
+ * @bank1: handle to memory allocated for temporary buffers from
+ * memory bank 1
+ * @bank2: handle to memory allocated for temporary buffers from
+ * memory bank 2
+ * @capture_state: state of the capture buffers queue
+ * @output_state: state of the output buffers queue
+ * @src_bufs: information on allocated source buffers
+ * @dst_bufs: information on allocated destination buffers
+ * @sequence: counter for the sequence number for v4l2
+ * @dec_dst_flag: flags for buffers queued in the hardware
+ * @dec_src_buf_size: size of the buffer for source buffers in decoding
+ * @codec_mode: number of codec mode used by MFC hw
+ * @slice_interface: slice interface flag
+ * @loop_filter_mpeg4: loop filter for MPEG4 flag
+ * @display_delay: value of the display delay for H264
+ * @display_delay_enable: display delay for H264 enable flag
+ * @after_packed_pb: flag used to track buffer when stream is in
+ * Packed PB format
+ * @sei_fp_parse: enable/disable parsing of frame packing SEI information
+ * @dpb_count: count of the DPB buffers required by MFC hw
+ * @total_dpb_count: count of DPB buffers with additional buffers
+ * requested by the application
+ * @ctx: context buffer information
+ * @dsc: descriptor buffer information
+ * @shm: shared memory buffer information
+ * @mv_count: number of MV buffers allocated for decoding
+ * @enc_params: encoding parameters for MFC
+ * @enc_dst_buf_size: size of the buffers for encoder output
+ * @luma_dpb_size: dpb buffer size for luma
+ * @chroma_dpb_size: dpb buffer size for chroma
+ * @me_buffer_size: size of the motion estimation buffer
+ * @tmv_buffer_size: size of temporal predictor motion vector buffer
+ * @frame_type: used to force the type of the next encoded frame
+ * @ref_queue: list of the reference buffers for encoding
+ * @ref_queue_cnt: number of the buffers in the reference list
+ * @c_ops: ops for encoding
+ * @ctrls: array of controls, used when adding controls to the
+ * v4l2 control framework
+ * @ctrl_handler: handler for v4l2 framework
+ */
+struct s5p_mfc_ctx {
+ struct s5p_mfc_dev *dev;
+ struct v4l2_fh fh;
+
+ int num;
+
+ int int_cond;
+ int int_type;
+ unsigned int int_err;
+ wait_queue_head_t queue;
+
+ struct s5p_mfc_fmt *src_fmt;
+ struct s5p_mfc_fmt *dst_fmt;
+
+ struct vb2_queue vq_src;
+ struct vb2_queue vq_dst;
+
+ struct list_head src_queue;
+ struct list_head dst_queue;
+
+ unsigned int src_queue_cnt;
+ unsigned int dst_queue_cnt;
+
+ enum s5p_mfc_inst_type type;
+ enum s5p_mfc_inst_state state;
+ int inst_no;
+
+ /* Image parameters */
+ int img_width;
+ int img_height;
+ int buf_width;
+ int buf_height;
+
+ int luma_size;
+ int chroma_size;
+ int mv_size;
+
+ unsigned long consumed_stream;
+
+ unsigned int dpb_flush_flag;
+ unsigned int head_processed;
+
+ struct s5p_mfc_priv_buf bank1;
+ struct s5p_mfc_priv_buf bank2;
+
+ enum s5p_mfc_queue_state capture_state;
+ enum s5p_mfc_queue_state output_state;
+
+ struct s5p_mfc_buf src_bufs[MFC_MAX_BUFFERS];
+ int src_bufs_cnt;
+ struct s5p_mfc_buf dst_bufs[MFC_MAX_BUFFERS];
+ int dst_bufs_cnt;
+
+ unsigned int sequence;
+ unsigned long dec_dst_flag;
+ size_t dec_src_buf_size;
+
+ /* Control values */
+ int codec_mode;
+ int slice_interface;
+ int loop_filter_mpeg4;
+ int display_delay;
+ int display_delay_enable;
+ int after_packed_pb;
+ int sei_fp_parse;
+
+ int pb_count;
+ int total_dpb_count;
+ int mv_count;
+ /* Buffers */
+ struct s5p_mfc_priv_buf ctx;
+ struct s5p_mfc_priv_buf dsc;
+ struct s5p_mfc_priv_buf shm;
+
+ struct s5p_mfc_enc_params enc_params;
+
+ size_t enc_dst_buf_size;
+ size_t luma_dpb_size;
+ size_t chroma_dpb_size;
+ size_t me_buffer_size;
+ size_t tmv_buffer_size;
+
+ enum v4l2_mpeg_mfc51_video_force_frame_type force_frame_type;
+
+ struct list_head ref_queue;
+ unsigned int ref_queue_cnt;
+
+ enum v4l2_mpeg_video_multi_slice_mode slice_mode;
+ union {
+ unsigned int mb;
+ unsigned int bits;
+ } slice_size;
+
+ struct s5p_mfc_codec_ops *c_ops;
+
+ struct v4l2_ctrl *ctrls[MFC_MAX_CTRLS];
+ struct v4l2_ctrl_handler ctrl_handler;
+ unsigned int frame_tag;
+ size_t scratch_buf_size;
+};
+
+/*
+ * struct s5p_mfc_fmt - structure used to store information about pixelformats
+ * used by the MFC
+ */
+struct s5p_mfc_fmt {
+ char *name;
+ u32 fourcc;
+ u32 codec_mode;
+ enum s5p_mfc_fmt_type type;
+ u32 num_planes;
+ u32 versions;
+};
+
+/**
+ * struct mfc_control - structure used to store information about MFC controls
+ * it is used to initialize the control framework.
+ */
+struct mfc_control {
+ __u32 id;
+ enum v4l2_ctrl_type type;
+ __u8 name[32]; /* Whatever */
+ __s32 minimum; /* Note signedness */
+ __s32 maximum;
+ __s32 step;
+ __u32 menu_skip_mask;
+ __s32 default_value;
+ __u32 flags;
+ __u32 reserved[2];
+ __u8 is_volatile;
+};
+
+/* Macro for making hardware specific calls */
+#define s5p_mfc_hw_call(f, op, args...) \
+ ((f && f->op) ? f->op(args) : -ENODEV)
+
+#define s5p_mfc_hw_call_void(f, op, args...) \
+do { \
+ if (f && f->op) \
+ f->op(args); \
+} while (0)
+
+#define fh_to_ctx(__fh) container_of(__fh, struct s5p_mfc_ctx, fh)
+#define ctrl_to_ctx(__ctrl) \
+ container_of((__ctrl)->handler, struct s5p_mfc_ctx, ctrl_handler)
+
+void clear_work_bit(struct s5p_mfc_ctx *ctx);
+void set_work_bit(struct s5p_mfc_ctx *ctx);
+void clear_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
+void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
+
+#define HAS_PORTNUM(dev) (dev ? (dev->variant ? \
+ (dev->variant->port_num ? 1 : 0) : 0) : 0)
+#define IS_TWOPORT(dev) (dev->variant->port_num == 2 ? 1 : 0)
+#define IS_MFCV6_PLUS(dev) (dev->variant->version >= 0x60 ? 1 : 0)
+#define IS_MFCV7_PLUS(dev) (dev->variant->version >= 0x70 ? 1 : 0)
+#define IS_MFCV8(dev) (dev->variant->version >= 0x80 ? 1 : 0)
+
+#define MFC_V5_BIT BIT(0)
+#define MFC_V6_BIT BIT(1)
+#define MFC_V7_BIT BIT(2)
+#define MFC_V8_BIT BIT(3)
+
+
+#endif /* S5P_MFC_COMMON_H_ */
Code Review / kvmfornfv.git / blobdiff