1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* Copyright (C) 2013--2024 Intel Corporation */ 3 4#ifndef IPU6_ISYS_CSI2_H 5#define IPU6_ISYS_CSI2_H 6 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 16 21#define INVALID_VC_ID -1 22#define NR_OF_CSI2_SINK_PADS 1 23#define CSI2_PAD_SINK 0 24#define NR_OF_CSI2_SRC_PADS 8 25#define CSI2_PAD_SRC 1 26#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 0 29#define CSI2_CSI_RX_DLY_CNT_TERMEN_CLANE_B 0 30#define CSI2_CSI_RX_DLY_CNT_SETTLE_CLANE_A 95 31#define CSI2_CSI_RX_DLY_CNT_SETTLE_CLANE_B -8 32 33#define CSI2_CSI_RX_DLY_CNT_TERMEN_DLANE_A 0 34#define CSI2_CSI_RX_DLY_CNT_TERMEN_DLANE_B 0 35#define CSI2_CSI_RX_DLY_CNT_SETTLE_DLANE_A 85 36#define CSI2_CSI_RX_DLY_CNT_SETTLE_DLANE_B -2 37 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 unsigned int stream_count; 49}; 50 51struct ipu6_isys_csi2_timing { 52 u32 ctermen; 53 u32 csettle; 54 u32 dtermen; 55 u32 dsettle; 56}; 57 58struct ipu6_csi2_error { 59 const char *error_string; 60 bool is_info_only; 61}; 62 63#define ipu6_isys_subdev_to_csi2(__sd) \ 64 container_of(__sd, struct ipu6_isys_csi2, asd) 65 66#define to_ipu6_isys_csi2(__asd) container_of(__asd, struct ipu6_isys_csi2, asd) 67 68s64 ipu6_isys_csi2_get_link_freq(struct ipu6_isys_csi2 *csi2); 69int ipu6_isys_csi2_init(struct ipu6_isys_csi2 *csi2, struct ipu6_isys *isys, 70 void __iomem *base, unsigned int index); 71void ipu6_isys_csi2_cleanup(struct ipu6_isys_csi2 *csi2); 72void ipu6_isys_csi2_sof_event_by_stream(struct ipu6_isys_stream *stream); 73void ipu6_isys_csi2_eof_event_by_stream(struct ipu6_isys_stream *stream); 74void ipu6_isys_register_errors(struct ipu6_isys_csi2 *csi2); 75void ipu6_isys_csi2_error(struct ipu6_isys_csi2 *csi2); 76int ipu6_isys_csi2_get_remote_desc(u32 source_stream, 77 struct ipu6_isys_csi2 *csi2, 78 struct media_entity *source_entity, 79 struct v4l2_mbus_frame_desc_entry *entry); 80void ipu6_isys_set_csi2_streams_status(struct ipu6_isys_video *av, bool status); 81 82#endif /* IPU6_ISYS_CSI2_H */ 83