/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __CSI_RX_GLOBAL_H_INCLUDED__
#define __CSI_RX_GLOBAL_H_INCLUDED__

#include <type_support.h>

typedef enum {
        CSI_MIPI_PACKET_TYPE_UNDEFINED = 0,
        CSI_MIPI_PACKET_TYPE_LONG,
        CSI_MIPI_PACKET_TYPE_SHORT,
        CSI_MIPI_PACKET_TYPE_RESERVED,
        N_CSI_MIPI_PACKET_TYPE
} csi_mipi_packet_type_t;

typedef struct csi_rx_backend_lut_entry_s       csi_rx_backend_lut_entry_t;
struct csi_rx_backend_lut_entry_s {
        u32     long_packet_entry;
        u32     short_packet_entry;
};

typedef struct csi_rx_backend_cfg_s csi_rx_backend_cfg_t;
struct csi_rx_backend_cfg_s {
        /* LUT entry for the packet */
        csi_rx_backend_lut_entry_t lut_entry;

        /* can be derived from the Data Type */
        csi_mipi_packet_type_t csi_mipi_packet_type;

        struct {
                bool     comp_enable;
                u32 virtual_channel;
                u32 data_type;
                u32 comp_scheme;
                u32 comp_predictor;
                u32 comp_bit_idx;
        } csi_mipi_cfg;
};

typedef struct csi_rx_frontend_cfg_s csi_rx_frontend_cfg_t;
struct csi_rx_frontend_cfg_s {
        u32 active_lanes;
};

extern const u32 N_SHORT_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID];
extern const u32 N_LONG_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID];
extern const u32 N_CSI_RX_FE_CTRL_DLANES[N_CSI_RX_FRONTEND_ID];
/* sid_width for CSI_RX_BACKEND<N>_ID */
extern const u32 N_CSI_RX_BE_SID_WIDTH[N_CSI_RX_BACKEND_ID];

#endif /* __CSI_RX_GLOBAL_H_INCLUDED__ */