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/* 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 */
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