drivers/media/video/pvrusb2/pvrusb2-devattr.h

   1 /*
   2  *
   3  *  $Id$
   4  *
   5  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License
  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21 #ifndef __PVRUSB2_DEVATTR_H
  22 #define __PVRUSB2_DEVATTR_H
  23
  24 #include <linux/mod_devicetable.h>
  25
  26 /*
  27
  28   This header defines structures used to describe attributes of a device.
  29
  30 */
  31
  32
  33 struct pvr2_string_table {
  34         const char **lst;
  35         unsigned int cnt;
  36 };
  37
  38 #define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
  39
  40 /* This describes a particular hardware type (except for the USB device ID
  41    which must live in a separate structure due to environmental
  42    constraints).  See the top of pvrusb2-hdw.c for where this is
  43    instantiated. */
  44 struct pvr2_device_desc {
  45         /* Single line text description of hardware */
  46         const char *description;
  47
  48         /* Single token identifier for hardware */
  49         const char *shortname;
  50
  51         /* List of additional client modules we need to load */
  52         struct pvr2_string_table client_modules;
  53
  54         /* List of FX2 firmware file names we should search; if empty then
  55            FX2 firmware check / load is skipped and we assume the device
  56            was initialized from internal ROM. */
  57         struct pvr2_string_table fx2_firmware;
  58
  59         /* Signal routing scheme used by device, contains one of
  60            PVR2_ROUTING_SCHEME_XXX.  Schemes have to be defined as we
  61            encounter them.  This is an arbitrary integer scheme id; its
  62            meaning is contained entirely within the driver and is
  63            interpreted by logic which must send commands to the chip-level
  64            drivers (search for things which touch this field). */
  65         unsigned int signal_routing_scheme;
  66
  67         /* V4L tuner type ID to use with this device (only used if the
  68            driver could not discover the type any other way). */
  69         int default_tuner_type;
  70
  71         /* If set, we don't bother trying to load cx23416 firmware. */
  72         char flag_skip_cx23416_firmware;
  73
  74         /* Device has a hauppauge eeprom which we can interrogate. */
  75         char flag_has_hauppauge_rom;
  76
  77         /* Device does not require a powerup command to be issued. */
  78         char flag_no_powerup;
  79
  80         /* Device has a cx25840 - this enables special additional logic to
  81            handle it. */
  82         char flag_has_cx25840;
  83
  84         /* Device has a wm8775 - this enables special additional logic to
  85            ensure that it is found. */
  86         char flag_has_wm8775;
  87 };
  88
  89 extern const struct pvr2_device_desc pvr2_device_descriptions[];
  90 extern struct usb_device_id pvr2_device_table[];
  91 extern const unsigned int pvr2_device_count;
  92
  93 #endif /* __PVRUSB2_HDW_INTERNAL_H */
  94
  95 /*
  96   Stuff for Emacs to see, in order to encourage consistent editing style:
  97   *** Local Variables: ***
  98   *** mode: c ***
  99   *** fill-column: 75 ***
 100   *** tab-width: 8 ***
 101   *** c-basic-offset: 8 ***
 102   *** End: ***
 103   */