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