drivers/media/dvb/mantis/mantis_link.h

   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 */