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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2013--2024 Intel Corporation */
#ifndef IPU6_ISYS_CSI2_H
#define IPU6_ISYS_CSI2_H
#include <linux/container_of.h>
#include "ipu6-isys-subdev.h"
#include "ipu6-isys-video.h"
struct media_entity;
struct v4l2_mbus_frame_desc_entry;
struct ipu6_isys_video;
struct ipu6_isys;
struct ipu6_isys_csi2_pdata;
struct ipu6_isys_stream;
#define NR_OF_CSI2_VC 16
#define INVALID_VC_ID -1
#define NR_OF_CSI2_SINK_PADS 1
#define CSI2_PAD_SINK 0
#define NR_OF_CSI2_SRC_PADS 8
#define CSI2_PAD_SRC 1
#define NR_OF_CSI2_PADS (NR_OF_CSI2_SINK_PADS + NR_OF_CSI2_SRC_PADS)
#define CSI2_CSI_RX_DLY_CNT_TERMEN_CLANE_A 0
#define CSI2_CSI_RX_DLY_CNT_TERMEN_CLANE_B 0
#define CSI2_CSI_RX_DLY_CNT_SETTLE_CLANE_A 95
#define CSI2_CSI_RX_DLY_CNT_SETTLE_CLANE_B -8
#define CSI2_CSI_RX_DLY_CNT_TERMEN_DLANE_A 0
#define CSI2_CSI_RX_DLY_CNT_TERMEN_DLANE_B 0
#define CSI2_CSI_RX_DLY_CNT_SETTLE_DLANE_A 85
#define CSI2_CSI_RX_DLY_CNT_SETTLE_DLANE_B -2
struct ipu6_isys_csi2 {
struct ipu6_isys_subdev asd;
struct ipu6_isys_csi2_pdata *pdata;
struct ipu6_isys *isys;
struct ipu6_isys_video av[NR_OF_CSI2_SRC_PADS];
void __iomem *base;
u32 receiver_errors;
unsigned int nlanes;
unsigned int port;
unsigned int stream_count;
};
struct ipu6_isys_csi2_timing {
u32 ctermen;
u32 csettle;
u32 dtermen;
u32 dsettle;
};
struct ipu6_csi2_error {
const char *error_string;
bool is_info_only;
};
#define ipu6_isys_subdev_to_csi2(__sd) \
container_of(__sd, struct ipu6_isys_csi2, asd)
#define to_ipu6_isys_csi2(__asd) container_of(__asd, struct ipu6_isys_csi2, asd)
s64 ipu6_isys_csi2_get_link_freq(struct ipu6_isys_csi2 *csi2);
int ipu6_isys_csi2_init(struct ipu6_isys_csi2 *csi2, struct ipu6_isys *isys,
void __iomem *base, unsigned int index);
void ipu6_isys_csi2_cleanup(struct ipu6_isys_csi2 *csi2);
void ipu6_isys_csi2_sof_event_by_stream(struct ipu6_isys_stream *stream);
void ipu6_isys_csi2_eof_event_by_stream(struct ipu6_isys_stream *stream);
void ipu6_isys_register_errors(struct ipu6_isys_csi2 *csi2);
void ipu6_isys_csi2_error(struct ipu6_isys_csi2 *csi2);
int ipu6_isys_csi2_get_remote_desc(u32 source_stream,
struct ipu6_isys_csi2 *csi2,
struct media_entity *source_entity,
struct v4l2_mbus_frame_desc_entry *entry);
void ipu6_isys_set_csi2_streams_status(struct ipu6_isys_video *av, bool status);
#endif /* IPU6_ISYS_CSI2_H */
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