mantis_link.h

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/*
    Mantis PCI bridge driver

    Copyright (C) Manu Abraham ([email protected])

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __MANTIS_LINK_H
#define __MANTIS_LINK_H

#include <linux/mutex.h>
#include <linux/workqueue.h>
#include "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 */