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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/media/dvb/mantis/mantis_link.h
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/*

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	Mantis PCI bridge driver

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

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	This program is free software; you can redistribute it and/or modify

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	it under the terms of the GNU General Public License as published by

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	the Free Software Foundation; either version 2 of the License, or

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	(at your option) any later version.

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	This program is distributed in the hope that it will be useful,

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	but WITHOUT ANY WARRANTY; without even the implied warranty of

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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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	GNU General Public License for more details.

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	You should have received a copy of the GNU General Public License

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	along with this program; if not, write to the Free Software

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	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

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*/

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#ifndef __MANTIS_LINK_H

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#define __MANTIS_LINK_H

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#include <linux/mutex.h>

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#include <linux/workqueue.h>

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#include "dvb_ca_en50221.h"

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enum mantis_sbuf_status {

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	MANTIS_SBUF_DATA_AVAIL		= 1,

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	MANTIS_SBUF_DATA_EMPTY		= 2,

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	MANTIS_SBUF_DATA_OVFLW		= 3

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};

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struct mantis_slot {

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	u32				timeout;

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	u32				slave_cfg;

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	u32				bar;

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};

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/* Physical layer */

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enum mantis_slot_state {

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	MODULE_INSERTED			= 3,

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	MODULE_XTRACTED			= 4

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};

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struct mantis_ca {

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	struct mantis_slot		slot[4];

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	struct work_struct		hif_evm_work;

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	u32				hif_event;

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	wait_queue_head_t		hif_opdone_wq;

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	wait_queue_head_t		hif_brrdyw_wq;

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	wait_queue_head_t		hif_data_wq;

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	wait_queue_head_t		hif_write_wq; /* HIF Write op */

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	enum mantis_sbuf_status		sbuf_status;

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	enum mantis_slot_state		slot_state;

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	void				*ca_priv;

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	struct dvb_ca_en50221		en50221;

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	struct mutex			ca_lock;

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};

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/* CA */

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extern void mantis_event_cam_plugin(struct mantis_ca *ca);

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extern void mantis_event_cam_unplug(struct mantis_ca *ca);

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extern int mantis_pcmcia_init(struct mantis_ca *ca);

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extern void mantis_pcmcia_exit(struct mantis_ca *ca);

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extern int mantis_evmgr_init(struct mantis_ca *ca);

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extern void mantis_evmgr_exit(struct mantis_ca *ca);

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/* HIF */

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extern int mantis_hif_init(struct mantis_ca *ca);

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extern void mantis_hif_exit(struct mantis_ca *ca);

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extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);

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extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);

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extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr);

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extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data);

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#endif /* __MANTIS_LINK_H */

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