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

   1 /*
   2  *
   3  *
   4  *  Copyright (C) 2005 Mike Isely <isely@pobox.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
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20 #ifndef __PVRUSB2_DEVATTR_H
  21 #define __PVRUSB2_DEVATTR_H
  22
  23 #include <linux/mod_devicetable.h>
  24 #include <linux/videodev2.h>
  25 #ifdef CONFIG_VIDEO_PVRUSB2_DVB
  26 #include "pvrusb2-dvb.h"
  27 #endif
  28
  29 /*
  30
  31   This header defines structures used to describe attributes of a device.
  32
  33 */
  34
  35
  36 #define PVR2_CLIENT_ID_NULL 0
  37 #define PVR2_CLIENT_ID_MSP3400 1
  38 #define PVR2_CLIENT_ID_CX25840 2
  39 #define PVR2_CLIENT_ID_SAA7115 3
  40 #define PVR2_CLIENT_ID_TUNER 4
  41 #define PVR2_CLIENT_ID_CS53L32A 5
  42 #define PVR2_CLIENT_ID_WM8775 6
  43 #define PVR2_CLIENT_ID_DEMOD 7
  44
  45 struct pvr2_device_client_desc {
  46         /* One ovr PVR2_CLIENT_ID_xxxx */
  47         unsigned char module_id;
  48
  49         /* Null-terminated array of I2C addresses to try in order
  50            initialize the module.  It's safe to make this null terminated
  51            since we're never going to encounter an i2c device with an
  52            address of zero.  If this is a null pointer or zero-length,
  53            then no I2C addresses have been specified, in which case we'll
  54            try some compiled in defaults for now. */
  55         unsigned char *i2c_address_list;
  56 };
  57
  58 struct pvr2_device_client_table {
  59         const struct pvr2_device_client_desc *lst;
  60         unsigned char cnt;
  61 };
  62
  63
  64 struct pvr2_string_table {
  65         const char **lst;
  66         unsigned int cnt;
  67 };
  68
  69 #define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
  70 #define PVR2_ROUTING_SCHEME_GOTVIEW 1
  71 #define PVR2_ROUTING_SCHEME_ONAIR 2
  72 #define PVR2_ROUTING_SCHEME_AV400 3
  73
  74 #define PVR2_DIGITAL_SCHEME_NONE 0
  75 #define PVR2_DIGITAL_SCHEME_HAUPPAUGE 1
  76 #define PVR2_DIGITAL_SCHEME_ONAIR 2
  77
  78 #define PVR2_LED_SCHEME_NONE 0
  79 #define PVR2_LED_SCHEME_HAUPPAUGE 1
  80
  81 #define PVR2_IR_SCHEME_NONE 0
  82 #define PVR2_IR_SCHEME_24XXX 1 /* FX2-controlled IR */
  83 #define PVR2_IR_SCHEME_ZILOG 2 /* HVR-1950 style (must be taken out of reset) */
  84 #define PVR2_IR_SCHEME_24XXX_MCE 3 /* 24xxx MCE device */
  85 #define PVR2_IR_SCHEME_29XXX 4 /* Original 29xxx device */
  86
  87 /* This describes a particular hardware type (except for the USB device ID
  88    which must live in a separate structure due to environmental
  89    constraints).  See the top of pvrusb2-hdw.c for where this is
  90    instantiated. */
  91 struct pvr2_device_desc {
  92         /* Single line text description of hardware */
  93         const char *description;
  94
  95         /* Single token identifier for hardware */
  96         const char *shortname;
  97
  98         /* List of additional client modules we need to load */
  99         struct pvr2_string_table client_modules;
 100
 101         /* List of defined client modules we need to load */
 102         struct pvr2_device_client_table client_table;
 103
 104         /* List of FX2 firmware file names we should search; if empty then
 105            FX2 firmware check / load is skipped and we assume the device
 106            was initialized from internal ROM. */
 107         struct pvr2_string_table fx2_firmware;
 108
 109 #ifdef CONFIG_VIDEO_PVRUSB2_DVB
 110         /* callback functions to handle attachment of digital tuner & demod */
 111         const struct pvr2_dvb_props *dvb_props;
 112
 113 #endif
 114         /* Initial standard bits to use for this device, if not zero.
 115            Anything set here is also implied as an available standard.
 116            Note: This is ignored if overridden on the module load line via
 117            the video_std module option. */
 118         v4l2_std_id default_std_mask;
 119
 120         /* V4L tuner type ID to use with this device (only used if the
 121            driver could not discover the type any other way). */
 122         int default_tuner_type;
 123
 124         /* Signal routing scheme used by device, contains one of
 125            PVR2_ROUTING_SCHEME_XXX.  Schemes have to be defined as we
 126            encounter them.  This is an arbitrary integer scheme id; its
 127            meaning is contained entirely within the driver and is
 128            interpreted by logic which must send commands to the chip-level
 129            drivers (search for things which touch this field). */
 130         unsigned char signal_routing_scheme;
 131
 132         /* Indicates scheme for controlling device's LED (if any).  The
 133            driver will turn on the LED when streaming is underway.  This
 134            contains one of PVR2_LED_SCHEME_XXX. */
 135         unsigned char led_scheme;
 136
 137         /* Control scheme to use if there is a digital tuner.  This
 138            contains one of PVR2_DIGITAL_SCHEME_XXX.  This is an arbitrary
 139            integer scheme id; its meaning is contained entirely within the
 140            driver and is interpreted by logic which must control the
 141            streaming pathway (search for things which touch this field). */
 142         unsigned char digital_control_scheme;
 143
 144         /* If set, we don't bother trying to load cx23416 firmware. */
 145         unsigned int flag_skip_cx23416_firmware:1;
 146
 147         /* If set, the encoder must be healthy in order for digital mode to
 148            work (otherwise we assume that digital streaming will work even
 149            if we fail to locate firmware for the encoder).  If the device
 150            doesn't support digital streaming then this flag has no
 151            effect. */
 152         unsigned int flag_digital_requires_cx23416:1;
 153
 154         /* Device has a hauppauge eeprom which we can interrogate. */
 155         unsigned int flag_has_hauppauge_rom:1;
 156
 157         /* Device does not require a powerup command to be issued. */
 158         unsigned int flag_no_powerup:1;
 159
 160         /* Device has a cx25840 - this enables special additional logic to
 161            handle it. */
 162         unsigned int flag_has_cx25840:1;
 163
 164         /* Device has a wm8775 - this enables special additional logic to
 165            ensure that it is found. */
 166         unsigned int flag_has_wm8775:1;
 167
 168         /* Indicate IR scheme of hardware.  If not set, then it is assumed
 169            that IR can work without any help from the driver. */
 170         unsigned int ir_scheme:3;
 171
 172         /* These bits define which kinds of sources the device can handle.
 173            Note: Digital tuner presence is inferred by the
 174            digital_control_scheme enumeration. */
 175         unsigned int flag_has_fmradio:1;       /* Has FM radio receiver */
 176         unsigned int flag_has_analogtuner:1;   /* Has analog tuner */
 177         unsigned int flag_has_composite:1;     /* Has composite input */
 178         unsigned int flag_has_svideo:1;        /* Has s-video input */
 179 };
 180
 181 extern struct usb_device_id pvr2_device_table[];
 182
 183 #endif /* __PVRUSB2_HDW_INTERNAL_H */
 184
 185 /*
 186   Stuff for Emacs to see, in order to encourage consistent editing style:
 187   *** Local Variables: ***
 188   *** mode: c ***
 189   *** fill-column: 75 ***
 190   *** tab-width: 8 ***
 191   *** c-basic-offset: 8 ***
 192   *** End: ***
 193   */