/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2021-2023 Digiteq Automotive
 *     author: Martin Tuma <martin.tuma@digiteqautomotive.com>
 */

#ifndef __MGB4_CORE_H__
#define __MGB4_CORE_H__

#include <linux/spi/flash.h>
#include <linux/mtd/partitions.h>
#include <linux/mutex.h>
#include <linux/dmaengine.h>
#include "mgb4_regs.h"

#define MGB4_HW_FREQ 125000000

#define MGB4_VIN_DEVICES  2
#define MGB4_VOUT_DEVICES 2

#define MGB4_IS_GMSL1(mgbdev) \
        (((mgbdev)->module_version >> 4) == 6)
#define MGB4_IS_GMSL3(mgbdev) \
        (((((mgbdev)->module_version >> 4) >= 2) && \
          (((mgbdev)->module_version >> 4) <= 4)) || \
         (((mgbdev)->module_version >> 4) == 8))
#define MGB4_IS_GMSL3C(mgbdev) \
        (((mgbdev)->module_version >> 4) == 8)
#define MGB4_IS_FPDL3(mgbdev) \
        (((mgbdev)->module_version >> 4) == 1)
#define MGB4_HAS_VOUT(mgbdev) \
        (((((mgbdev)->module_version >> 4) >= 1) && \
          (((mgbdev)->module_version >> 4) <= 3)) || \
         ((((mgbdev)->module_version >> 4) == 6)))

struct mgb4_dma_channel {
        struct dma_chan *chan;
        struct completion req_compl;
};

struct mgb4_dev {
        struct pci_dev *pdev;
        struct platform_device *xdev;
        struct mgb4_vin_dev *vin[MGB4_VIN_DEVICES];
        struct mgb4_vout_dev *vout[MGB4_VOUT_DEVICES];

        struct mgb4_dma_channel c2h_chan[MGB4_VIN_DEVICES];
        struct mgb4_dma_channel h2c_chan[MGB4_VOUT_DEVICES];
        struct dma_slave_map slave_map[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES];

        struct mgb4_regs video;
        struct mgb4_regs cmt;

        struct clk_hw *i2c_clk;
        struct clk_lookup *i2c_cl;
        struct platform_device *i2c_pdev;
        struct i2c_adapter *i2c_adap;
        struct mutex i2c_lock; /* I2C bus access lock */

        struct platform_device *spi_pdev;
        struct flash_platform_data flash_data;
        struct mtd_partition partitions[2];
        char flash_name[16];
        char fw_part_name[16];
        char data_part_name[16];
        char channel_names[MGB4_VIN_DEVICES + MGB4_VOUT_DEVICES][16];

        struct iio_dev *indio_dev;
#if IS_REACHABLE(CONFIG_HWMON)
        struct device *hwmon_dev;
#endif

        unsigned long io_reconfig;

        u8 module_version;
        u32 serial_number;

        struct dentry *debugfs;
};

#endif