/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2013 - 2024 Intel Corporation */

#ifndef IPU6_BUS_H
#define IPU6_BUS_H

#include <linux/auxiliary_bus.h>
#include <linux/container_of.h>
#include <linux/device.h>
#include <linux/irqreturn.h>
#include <linux/list.h>
#include <linux/scatterlist.h>
#include <linux/types.h>

struct firmware;
struct pci_dev;

struct ipu6_buttress_ctrl;

struct ipu6_bus_device {
        struct auxiliary_device auxdev;
        const struct auxiliary_driver *auxdrv;
        const struct ipu6_auxdrv_data *auxdrv_data;
        struct list_head list;
        void *pdata;
        struct ipu6_mmu *mmu;
        struct ipu6_device *isp;
        const struct ipu6_buttress_ctrl *ctrl;
        const struct firmware *fw;
        struct sg_table fw_sgt;
        u64 *pkg_dir;
        dma_addr_t pkg_dir_dma_addr;
        unsigned int pkg_dir_size;
};

struct ipu6_auxdrv_data {
        irqreturn_t (*isr)(struct ipu6_bus_device *adev);
        irqreturn_t (*isr_threaded)(struct ipu6_bus_device *adev);
        bool wake_isr_thread;
};

#define to_ipu6_bus_device(_dev) \
        container_of(to_auxiliary_dev(_dev), struct ipu6_bus_device, auxdev)
#define auxdev_to_adev(_auxdev) \
        container_of(_auxdev, struct ipu6_bus_device, auxdev)
#define ipu6_bus_get_drvdata(adev) dev_get_drvdata(&(adev)->auxdev.dev)

struct ipu6_bus_device *
ipu6_bus_initialize_device(struct pci_dev *pdev, struct device *parent,
                           void *pdata, const struct ipu6_buttress_ctrl *ctrl,
                           char *name);
int ipu6_bus_add_device(struct ipu6_bus_device *adev);
void ipu6_bus_del_devices(struct pci_dev *pdev);

#endif