1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3	Mantis PCI bridge driver
4
5	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
6
7*/
8
9#ifndef __MANTIS_LINK_H
10#define __MANTIS_LINK_H
11
12#include <linux/mutex.h>
13#include <linux/workqueue.h>
14#include <media/dvb_ca_en50221.h>
15
16enum mantis_sbuf_status {
17	MANTIS_SBUF_DATA_AVAIL		= 1,
18	MANTIS_SBUF_DATA_EMPTY		= 2,
19	MANTIS_SBUF_DATA_OVFLW		= 3
20};
21
22struct mantis_slot {
23	u32				timeout;
24	u32				slave_cfg;
25	u32				bar;
26};
27
28/* Physical layer */
29enum mantis_slot_state {
30	MODULE_INSERTED			= 3,
31	MODULE_XTRACTED			= 4
32};
33
34struct mantis_ca {
35	struct mantis_slot		slot[4];
36
37	struct work_struct		hif_evm_work;
38
39	u32				hif_event;
40	wait_queue_head_t		hif_opdone_wq;
41	wait_queue_head_t		hif_brrdyw_wq;
42	wait_queue_head_t		hif_data_wq;
43	wait_queue_head_t		hif_write_wq; /* HIF Write op */
44
45	enum mantis_sbuf_status		sbuf_status;
46
47	enum mantis_slot_state		slot_state;
48
49	void				*ca_priv;
50
51	struct dvb_ca_en50221		en50221;
52	struct mutex			ca_lock;
53};
54
55/* CA */
56extern void mantis_event_cam_plugin(struct mantis_ca *ca);
57extern void mantis_event_cam_unplug(struct mantis_ca *ca);
58extern int mantis_pcmcia_init(struct mantis_ca *ca);
59extern void mantis_pcmcia_exit(struct mantis_ca *ca);
60extern int mantis_evmgr_init(struct mantis_ca *ca);
61extern void mantis_evmgr_exit(struct mantis_ca *ca);
62
63/* HIF */
64extern int mantis_hif_init(struct mantis_ca *ca);
65extern void mantis_hif_exit(struct mantis_ca *ca);
66extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);
67extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);
68extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr);
69extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data);
70
71#endif /* __MANTIS_LINK_H */
72