LXR linux/drivers/media/pci/mantis/mantis

   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
  28enum mantis_sbuf_status {
  29        MANTIS_SBUF_DATA_AVAIL          = 1,
  30        MANTIS_SBUF_DATA_EMPTY          = 2,
  31        MANTIS_SBUF_DATA_OVFLW          = 3
  32};
  33
  34struct mantis_slot {
  35        u32                             timeout;
  36        u32                             slave_cfg;
  37        u32                             bar;
  38};
  39
  40/* Physical layer */
  41enum mantis_slot_state {
  42        MODULE_INSERTED                 = 3,
  43        MODULE_XTRACTED                 = 4
  44};
  45
  46struct 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 */
  68extern void mantis_event_cam_plugin(struct mantis_ca *ca);
  69extern void mantis_event_cam_unplug(struct mantis_ca *ca);
  70extern int mantis_pcmcia_init(struct mantis_ca *ca);
  71extern void mantis_pcmcia_exit(struct mantis_ca *ca);
  72extern int mantis_evmgr_init(struct mantis_ca *ca);
  73extern void mantis_evmgr_exit(struct mantis_ca *ca);
  74
  75/* HIF */
  76extern int mantis_hif_init(struct mantis_ca *ca);
  77extern void mantis_hif_exit(struct mantis_ca *ca);
  78extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);
  79extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);
  80extern int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr);
  81extern int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data);
  82
  83#endif /* __MANTIS_LINK_H */
  84