1aaac60fec
Different devices support different input types. Up until now we've really been assuming that everyone has an analog tuner, an FM radio, composite, and s-video inputs. But as we add other devices, these assumptions are no longer true. The way to deal with this is to define the available inputs as additional device attributes, so that the driver can adjust its internal behavior accordingly. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
/*
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*
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* $Id$
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __PVRUSB2_DEVATTR_H
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#define __PVRUSB2_DEVATTR_H
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#include <linux/mod_devicetable.h>
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#include <linux/videodev2.h>
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/*
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This header defines structures used to describe attributes of a device.
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*/
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struct pvr2_string_table {
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const char **lst;
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unsigned int cnt;
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};
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#define PVR2_ROUTING_SCHEME_HAUPPAUGE 0
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#define PVR2_ROUTING_SCHEME_GOTVIEW 1
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/* This describes a particular hardware type (except for the USB device ID
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which must live in a separate structure due to environmental
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constraints). See the top of pvrusb2-hdw.c for where this is
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instantiated. */
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struct pvr2_device_desc {
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/* Single line text description of hardware */
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const char *description;
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/* Single token identifier for hardware */
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const char *shortname;
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/* List of additional client modules we need to load */
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struct pvr2_string_table client_modules;
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/* List of FX2 firmware file names we should search; if empty then
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FX2 firmware check / load is skipped and we assume the device
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was initialized from internal ROM. */
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struct pvr2_string_table fx2_firmware;
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/* Signal routing scheme used by device, contains one of
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PVR2_ROUTING_SCHEME_XXX. Schemes have to be defined as we
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encounter them. This is an arbitrary integer scheme id; its
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meaning is contained entirely within the driver and is
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interpreted by logic which must send commands to the chip-level
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drivers (search for things which touch this field). */
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unsigned int signal_routing_scheme;
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/* V4L tuner type ID to use with this device (only used if the
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driver could not discover the type any other way). */
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int default_tuner_type;
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/* Initial standard bits to use for this device, if not zero.
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Anything set here is also implied as an available standard.
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Note: This is ignored if overridden on the module load line via
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the video_std module option. */
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v4l2_std_id default_std_mask;
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/* If set, we don't bother trying to load cx23416 firmware. */
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char flag_skip_cx23416_firmware;
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/* Device has a hauppauge eeprom which we can interrogate. */
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char flag_has_hauppauge_rom;
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/* Device does not require a powerup command to be issued. */
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char flag_no_powerup;
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/* Device has a cx25840 - this enables special additional logic to
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handle it. */
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char flag_has_cx25840;
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/* Device has a wm8775 - this enables special additional logic to
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ensure that it is found. */
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char flag_has_wm8775;
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/* Device has IR hardware that can be faked into looking like a
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normal Hauppauge i2c IR receiver. This is currently very
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specific to the 24xxx device, where Hauppauge had replaced their
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'standard' I2C IR receiver with a bunch of FPGA logic controlled
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directly via the FX2. Turning this on tells the pvrusb2 driver
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to virtualize the presence of the non-existant IR receiver chip and
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implement the virtual receiver in terms of appropriate FX2
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commands. */
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char flag_has_hauppauge_custom_ir;
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/* These bits define which kinds of sources the device can handle. */
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char flag_has_fmradio; /* Has FM radio receiver */
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char flag_has_analogtuner; /* Has analog tuner */
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char flag_has_digitaltuner; /* Has digital tuner */
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char flag_has_composite; /* Has composite input */
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char flag_has_svideo; /* Has s-video input */
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};
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extern struct usb_device_id pvr2_device_table[];
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#endif /* __PVRUSB2_HDW_INTERNAL_H */
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/*
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Stuff for Emacs to see, in order to encourage consistent editing style:
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*** Local Variables: ***
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*** mode: c ***
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*** fill-column: 75 ***
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*** tab-width: 8 ***
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*** c-basic-offset: 8 ***
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*** End: ***
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*/
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