path: root/drivers/media/video/pvrusb2/pvrusb2-devattr.h

/*
 *
 *  $Id$
 *
 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifndef __PVRUSB2_DEVATTR_H
#define __PVRUSB2_DEVATTR_H

#include <linux/mod_devicetable.h>
#include <linux/videodev2.h>
#ifdef CONFIG_VIDEO_PVRUSB2_DVB
#include "pvrusb2-dvb.h"
#endif

/*

  This header defines structures used to describe attributes of a device.

*/


struct pvr2_string_table {
	const char **lst;
	unsigned int cnt;
};

#define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
#define PVR2_ROUTING_SCHEME_GOTVIEW 1

#define PVR2_DIGITAL_SCHEME_NONE 0
#define PVR2_DIGITAL_SCHEME_HAUPPAUGE 1
#define PVR2_DIGITAL_SCHEME_ONAIR 2

#define PVR2_LED_SCHEME_NONE 0
#define PVR2_LED_SCHEME_HAUPPAUGE 1

/* This describes a particular hardware type (except for the USB device ID
   which must live in a separate structure due to environmental
   constraints).  See the top of pvrusb2-hdw.c for where this is
   instantiated. */
struct pvr2_device_desc {
	/* Single line text description of hardware */
	const char *description;

	/* Single token identifier for hardware */
	const char *shortname;

	/* List of additional client modules we need to load */
	struct pvr2_string_table client_modules;

	/* List of FX2 firmware file names we should search; if empty then
	   FX2 firmware check / load is skipped and we assume the device
	   was initialized from internal ROM. */
	struct pvr2_string_table fx2_firmware;

#ifdef CONFIG_VIDEO_PVRUSB2_DVB
	/* callback functions to handle attachment of digital tuner & demod */
	struct pvr2_dvb_props *dvb_props;

#endif
	/* Initial standard bits to use for this device, if not zero.
	   Anything set here is also implied as an available standard.
	   Note: This is ignored if overridden on the module load line via
	   the video_std module option. */
	v4l2_std_id default_std_mask;

	/* V4L tuner type ID to use with this device (only used if the
	   driver could not discover the type any other way). */
	int default_tuner_type;

	/* Signal routing scheme used by device, contains one of
	   PVR2_ROUTING_SCHEME_XXX.  Schemes have to be defined as we
	   encounter them.  This is an arbitrary integer scheme id; its
	   meaning is contained entirely within the driver and is
	   interpreted by logic which must send commands to the chip-level
	   drivers (search for things which touch this field). */
	unsigned char signal_routing_scheme;

	/* Indicates scheme for controlling device's LED (if any).  The
	   driver will turn on the LED when streaming is underway.  This
	   contains one of PVR2_LED_SCHEME_XXX. */
	unsigned char led_scheme;

	/* Control scheme to use if there is a digital tuner.  This
	   contains one of PVR2_DIGITAL_SCHEME_XXX.  This is an arbitrary
	   integer scheme id; its meaning is contained entirely within the
	   driver and is interpreted by logic which must control the
	   streaming pathway (search for things which touch this field). */
	unsigned char digital_control_scheme;

	/* If set, we don't bother trying to load cx23416 firmware. */
	int flag_skip_cx23416_firmware:1;

	/* Device has a hauppauge eeprom which we can interrogate. */
	int flag_has_hauppauge_rom:1;

	/* Device does not require a powerup command to be issued. */
	int flag_no_powerup:1;

	/* Device has a cx25840 - this enables special additional logic to
	   handle it. */
	int flag_has_cx25840:1;

	/* Device has a wm8775 - this enables special additional logic to
	   ensure that it is found. */
	int flag_has_wm8775:1;

	/* Device has IR hardware that can be faked into looking like a
	   normal Hauppauge i2c IR receiver.  This is currently very
	   specific to the 24xxx device, where Hauppauge had replaced their
	   'standard' I2C IR receiver with a bunch of FPGA logic controlled
	   directly via the FX2.  Turning this on tells the pvrusb2 driver
	   to virtualize the presence of the non-existant IR receiver chip and
	   implement the virtual receiver in terms of appropriate FX2
	   commands. */
	int flag_has_hauppauge_custom_ir:1;

	/* These bits define which kinds of sources the device can handle.
	   Note: Digital tuner presence is inferred by the
	   digital_control_scheme enumeration. */
	int flag_has_fmradio:1;       /* Has FM radio receiver */
	int flag_has_analogtuner:1;   /* Has analog tuner */
	int flag_has_composite:1;     /* Has composite input */
	int flag_has_svideo:1;        /* Has s-video input */
};

extern struct usb_device_id pvr2_device_table[];

#endif /* __PVRUSB2_HDW_INTERNAL_H */

/*
  Stuff for Emacs to see, in order to encourage consistent editing style:
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  */