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 #include <linux/videodev2.h>
  26
  27 /*
  28
  29   This header defines structures used to describe attributes of a device.
  30
  31 */
  32
  33
  34 struct pvr2_string_table {
  35         const char **lst;
  36         unsigned int cnt;
  37 };
  38
  39 #define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
  40 #define PVR2_ROUTING_SCHEME_GOTVIEW 1
  41
  42 /* This describes a particular hardware type (except for the USB device ID
  43    which must live in a separate structure due to environmental
  44    constraints).  See the top of pvrusb2-hdw.c for where this is
  45    instantiated. */
  46 struct pvr2_device_desc {
  47         /* Single line text description of hardware */
  48         const char *description;
  49
  50         /* Single token identifier for hardware */
  51         const char *shortname;
  52
  53         /* List of additional client modules we need to load */
  54         struct pvr2_string_table client_modules;
  55
  56         /* List of FX2 firmware file names we should search; if empty then
  57            FX2 firmware check / load is skipped and we assume the device
  58            was initialized from internal ROM. */
  59         struct pvr2_string_table fx2_firmware;
  60
  61         /* Signal routing scheme used by device, contains one of
  62            PVR2_ROUTING_SCHEME_XXX.  Schemes have to be defined as we
  63            encounter them.  This is an arbitrary integer scheme id; its
  64            meaning is contained entirely within the driver and is
  65            interpreted by logic which must send commands to the chip-level
  66            drivers (search for things which touch this field). */
  67         unsigned int signal_routing_scheme;
  68
  69         /* V4L tuner type ID to use with this device (only used if the
  70            driver could not discover the type any other way). */
  71         int default_tuner_type;
  72
  73         /* Initial standard bits to use for this device, if not zero.
  74            Anything set here is also implied as an available standard.
  75            Note: This is ignored if overridden on the module load line via
  76            the video_std module option. */
  77         v4l2_std_id default_std_mask;
  78
  79         /* If set, we don't bother trying to load cx23416 firmware. */
  80         char flag_skip_cx23416_firmware;
  81
  82         /* Device has a hauppauge eeprom which we can interrogate. */
  83         char flag_has_hauppauge_rom;
  84
  85         /* Device does not require a powerup command to be issued. */
  86         char flag_no_powerup;
  87
  88         /* Device has a cx25840 - this enables special additional logic to
  89            handle it. */
  90         char flag_has_cx25840;
  91
  92         /* Device has a wm8775 - this enables special additional logic to
  93            ensure that it is found. */
  94         char flag_has_wm8775;
  95
  96         /* Device has IR hardware that can be faked into looking like a
  97            normal Hauppauge i2c IR receiver.  This is currently very
  98            specific to the 24xxx device, where Hauppauge had replaced their
  99            'standard' I2C IR receiver with a bunch of FPGA logic controlled
 100            directly via the FX2.  Turning this on tells the pvrusb2 driver
 101            to virtualize the presence of the non-existant IR receiver chip and
 102            implement the virtual receiver in terms of appropriate FX2
 103            commands. */
 104         char flag_has_hauppauge_custom_ir;
 105 };
 106
 107 extern struct usb_device_id pvr2_device_table[];
 108
 109 #endif /* __PVRUSB2_HDW_INTERNAL_H */
 110
 111 /*
 112   Stuff for Emacs to see, in order to encourage consistent editing style:
 113   *** Local Variables: ***
 114   *** mode: c ***
 115   *** fill-column: 75 ***
 116   *** tab-width: 8 ***
 117   *** c-basic-offset: 8 ***
 118   *** End: ***
 119   */