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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (C) 2013--2024 Intel Corporation */3 4#ifndef IPU6_ISYS_CSI2_H5#define IPU6_ISYS_CSI2_H6 7#include <linux/container_of.h>8 9#include "ipu6-isys-subdev.h"10#include "ipu6-isys-video.h"11 12struct media_entity;13struct v4l2_mbus_frame_desc_entry;14 15struct ipu6_isys_video;16struct ipu6_isys;17struct ipu6_isys_csi2_pdata;18struct ipu6_isys_stream;19 20#define NR_OF_CSI2_VC 1621#define INVALID_VC_ID -122#define NR_OF_CSI2_SINK_PADS 123#define CSI2_PAD_SINK 024#define NR_OF_CSI2_SRC_PADS 825#define CSI2_PAD_SRC 126#define NR_OF_CSI2_PADS (NR_OF_CSI2_SINK_PADS + NR_OF_CSI2_SRC_PADS)27 28#define CSI2_CSI_RX_DLY_CNT_TERMEN_CLANE_A 029#define CSI2_CSI_RX_DLY_CNT_TERMEN_CLANE_B 030#define CSI2_CSI_RX_DLY_CNT_SETTLE_CLANE_A 9531#define CSI2_CSI_RX_DLY_CNT_SETTLE_CLANE_B -832 33#define CSI2_CSI_RX_DLY_CNT_TERMEN_DLANE_A 034#define CSI2_CSI_RX_DLY_CNT_TERMEN_DLANE_B 035#define CSI2_CSI_RX_DLY_CNT_SETTLE_DLANE_A 8536#define CSI2_CSI_RX_DLY_CNT_SETTLE_DLANE_B -237 38struct ipu6_isys_csi2 {39 struct ipu6_isys_subdev asd;40 struct ipu6_isys_csi2_pdata *pdata;41 struct ipu6_isys *isys;42 struct ipu6_isys_video av[NR_OF_CSI2_SRC_PADS];43 44 void __iomem *base;45 u32 receiver_errors;46 unsigned int nlanes;47 unsigned int port;48};49 50struct ipu6_isys_csi2_timing {51 u32 ctermen;52 u32 csettle;53 u32 dtermen;54 u32 dsettle;55};56 57struct ipu6_csi2_error {58 const char *error_string;59 bool is_info_only;60};61 62#define ipu6_isys_subdev_to_csi2(__sd) \63 container_of(__sd, struct ipu6_isys_csi2, asd)64 65#define to_ipu6_isys_csi2(__asd) container_of(__asd, struct ipu6_isys_csi2, asd)66 67s64 ipu6_isys_csi2_get_link_freq(struct ipu6_isys_csi2 *csi2);68int ipu6_isys_csi2_init(struct ipu6_isys_csi2 *csi2, struct ipu6_isys *isys,69 void __iomem *base, unsigned int index);70void ipu6_isys_csi2_cleanup(struct ipu6_isys_csi2 *csi2);71void ipu6_isys_csi2_sof_event_by_stream(struct ipu6_isys_stream *stream);72void ipu6_isys_csi2_eof_event_by_stream(struct ipu6_isys_stream *stream);73void ipu6_isys_register_errors(struct ipu6_isys_csi2 *csi2);74void ipu6_isys_csi2_error(struct ipu6_isys_csi2 *csi2);75int ipu6_isys_csi2_get_remote_desc(u32 source_stream,76 struct ipu6_isys_csi2 *csi2,77 struct media_entity *source_entity,78 struct v4l2_mbus_frame_desc_entry *entry);79 80#endif /* IPU6_ISYS_CSI2_H */81