1 /*
2 	Mantis PCI bridge driver
3 
4 	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
5 
6 	This program is free software; you can redistribute it and/or modify
7 	it under the terms of the GNU General Public License as published by
8 	the Free Software Foundation; either version 2 of the License, or
9 	(at your option) any later version.
10 
11 	This program is distributed in the hope that it will be useful,
12 	but WITHOUT ANY WARRANTY; without even the implied warranty of
13 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 	GNU General Public License for more details.
15 
16 	You should have received a copy of the GNU General Public License
17 	along with this program; if not, write to the Free Software
18 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20 
21 #ifndef __MANTIS_LINK_H
22 #define __MANTIS_LINK_H
23 
24 #include <linux/mutex.h>
25 #include <linux/workqueue.h>
26 #include "dvb_ca_en50221.h"
27 
28 enum mantis_sbuf_status {
29 	MANTIS_SBUF_DATA_AVAIL		= 1,
30 	MANTIS_SBUF_DATA_EMPTY		= 2,
31 	MANTIS_SBUF_DATA_OVFLW		= 3
32 };
33 
34 struct mantis_slot {
35 	u32				timeout;
36 	u32				slave_cfg;
37 	u32				bar;
38 };
39 
40 /* Physical layer */
41 enum mantis_slot_state {
42 	MODULE_INSERTED			= 3,
43 	MODULE_XTRACTED			= 4
44 };
45 
46 struct mantis_ca {
47 	struct mantis_slot		slot[4];
48 
49 	struct work_struct		hif_evm_work;
50 
51 	u32				hif_event;
52 	wait_queue_head_t		hif_opdone_wq;
53 	wait_queue_head_t		hif_brrdyw_wq;
54 	wait_queue_head_t		hif_data_wq;
55 	wait_queue_head_t		hif_write_wq; /* HIF Write op */
56 
57 	enum mantis_sbuf_status		sbuf_status;
58 
59 	enum mantis_slot_state		slot_state;
60 
61 	void				*ca_priv;
62 
63 	struct dvb_ca_en50221		en50221;
64 	struct mutex			ca_lock;
65 };
66 
67 /* CA */
68 extern void mantis_event_cam_plugin(struct mantis_ca *ca);
69 extern void mantis_event_cam_unplug(struct mantis_ca *ca);
70 extern int mantis_pcmcia_init(struct mantis_ca *ca);
71 extern void mantis_pcmcia_exit(struct mantis_ca *ca);
72 extern int mantis_evmgr_init(struct mantis_ca *ca);
73 extern void mantis_evmgr_exit(struct mantis_ca *ca);
74 
75 /* HIF */
76 extern int mantis_hif_init(struct mantis_ca *ca);
77 extern void mantis_hif_exit(struct mantis_ca *ca);
78 extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);
79 extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);
80 extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr);
81 extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data);
82 
83 #endif /* __MANTIS_LINK_H */
84