drivers/media/dvb/mantis/mantis_link.h

   1 /*
   2         Mantis PCI bridge driver
   3
   4         Copyright (C) 2005, 2006 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/workqueue.h>
  25
  26 enum mantis_sbuf_status {
  27         MANTIS_SBUF_DATA_AVAIL          = 1,
  28         MANTIS_SBUF_DATA_EMPTY          = 2,
  29         MANTIS_SBUF_DATA_OVFLW          = 3
  30 };
  31
  32 struct mantis_slot {
  33         u32                             timeout;
  34         u32                             slave_cfg;
  35         u32                             bar;
  36 };
  37
  38 /* Physical layer */
  39 enum mantis_slot_state {
  40         MODULE_INSERTED                 = 3,
  41         MODULE_XTRACTED                 = 4
  42 };
  43
  44 struct mantis_ca {
  45         struct mantis_slot              slot[4];
  46
  47         struct work_struct              hif_evm_work;
  48
  49         u32                             hif_event;
  50         wait_queue_head_t               hif_opdone_wq;
  51         wait_queue_head_t               hif_brrdyw_wq;
  52         wait_queue_head_t               hif_data_wq;
  53         u32                             hif_job_queue;
  54
  55         enum mantis_sbuf_status         sbuf_status;
  56
  57         enum mantis_slot_state          slot_state;
  58
  59         struct dvb_device               *ca_dev;
  60         void                            *ca_priv;
  61 };
  62
  63 /* CA */
  64 extern void mantis_event_cam_plugin(struct mantis_ca *ca);
  65 extern void mantis_event_cam_unplug(struct mantis_ca *ca);
  66 extern int mantis_pcmcia_init(struct mantis_ca *ca);
  67 extern void mantis_pcmcia_exit(struct mantis_ca *ca);
  68 extern int mantis_evmgr_init(struct mantis_ca *ca);
  69 extern void mantis_evmgr_exit(struct mantis_ca *ca);
  70
  71 /* HIF */
  72 extern int mantis_hif_init(struct mantis_ca *ca);
  73 extern void mantis_hif_exit(struct mantis_ca *ca);
  74 extern int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr);
  75 extern int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data);
  76
  77 #endif // __MANTIS_LINK_H