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kernel/linux-rt-4.4.41/drivers/media/pci/mantis/mantis_link.h 2.3 KB
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  /*
  	Mantis PCI bridge driver
  
  	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
  
  	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 */