/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
        Mantis PCI bridge driver

        Copyright (C) Manu Abraham (abraham.manu@gmail.com)

*/

#ifndef __MANTIS_LINK_H
#define __MANTIS_LINK_H

#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <media/dvb_ca_en50221.h>

enum mantis_sbuf_status {
        MANTIS_SBUF_DATA_AVAIL          = 1,
        MANTIS_SBUF_DATA_EMPTY          = 2,
        MANTIS_SBUF_DATA_OVFLW          = 3
};

struct mantis_slot {
        u32                             timeout;
        u32                             slave_cfg;
        u32                             bar;
};

/* Physical layer */
enum mantis_slot_state {
        MODULE_INSERTED                 = 3,
        MODULE_XTRACTED                 = 4
};

struct mantis_ca {
        struct mantis_slot              slot[4];

        struct work_struct              hif_evm_work;

        u32                             hif_event;
        wait_queue_head_t               hif_opdone_wq;
        wait_queue_head_t               hif_brrdyw_wq;
        wait_queue_head_t               hif_data_wq;
        wait_queue_head_t               hif_write_wq; /* HIF Write op */

        enum mantis_sbuf_status         sbuf_status;

        enum mantis_slot_state          slot_state;

        void                            *ca_priv;

        struct dvb_ca_en50221           en50221;
        struct mutex                    ca_lock;
};

/* CA */
extern void mantis_event_cam_plugin(struct mantis_ca *ca);
extern void mantis_event_cam_unplug(struct mantis_ca *ca);
extern int mantis_pcmcia_init(struct mantis_ca *ca);
extern void mantis_pcmcia_exit(struct mantis_ca *ca);
extern int mantis_evmgr_init(struct mantis_ca *ca);
extern void mantis_evmgr_exit(struct mantis_ca *ca);

/* HIF */
extern int mantis_hif_init(struct mantis_ca *ca);
extern void mantis_hif_exit(struct mantis_ca *ca);
extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);
extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);
extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr);
extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data);

#endif /* __MANTIS_LINK_H */