2005-04-17 06:20:36 +08:00
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/*
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* dvb_frontend.h
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*
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* Copyright (C) 2001 convergence integrated media GmbH
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* Copyright (C) 2004 convergence GmbH
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*
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* Written by Ralph Metzler
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* Overhauled by Holger Waechtler
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* Kernel I2C stuff by Michael Hunold <hunold@convergence.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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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 Lesser 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 _DVB_FRONTEND_H_
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#define _DVB_FRONTEND_H_
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/ioctl.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/delay.h>
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2007-07-31 01:58:10 +08:00
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#include <linux/mutex.h>
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2005-04-17 06:20:36 +08:00
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#include <linux/dvb/frontend.h>
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#include "dvbdev.h"
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struct dvb_frontend_tune_settings {
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2005-12-12 16:37:27 +08:00
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int min_delay_ms;
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int step_size;
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int max_drift;
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struct dvb_frontend_parameters parameters;
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2005-04-17 06:20:36 +08:00
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};
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struct dvb_frontend;
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2006-04-19 04:47:09 +08:00
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struct dvb_tuner_info {
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char name[128];
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u32 frequency_min;
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u32 frequency_max;
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u32 frequency_step;
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u32 bandwidth_min;
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u32 bandwidth_max;
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u32 bandwidth_step;
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};
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2007-08-21 12:25:48 +08:00
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struct analog_parameters {
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unsigned int frequency;
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unsigned int mode;
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unsigned int audmode;
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u64 std;
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};
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2008-10-15 03:34:07 +08:00
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enum dvbfe_modcod {
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DVBFE_MODCOD_DUMMY_PLFRAME = 0,
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DVBFE_MODCOD_QPSK_1_4,
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DVBFE_MODCOD_QPSK_1_3,
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DVBFE_MODCOD_QPSK_2_5,
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DVBFE_MODCOD_QPSK_1_2,
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DVBFE_MODCOD_QPSK_3_5,
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DVBFE_MODCOD_QPSK_2_3,
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DVBFE_MODCOD_QPSK_3_4,
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DVBFE_MODCOD_QPSK_4_5,
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DVBFE_MODCOD_QPSK_5_6,
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DVBFE_MODCOD_QPSK_8_9,
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DVBFE_MODCOD_QPSK_9_10,
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DVBFE_MODCOD_8PSK_3_5,
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DVBFE_MODCOD_8PSK_2_3,
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DVBFE_MODCOD_8PSK_3_4,
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DVBFE_MODCOD_8PSK_5_6,
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DVBFE_MODCOD_8PSK_8_9,
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DVBFE_MODCOD_8PSK_9_10,
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DVBFE_MODCOD_16APSK_2_3,
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DVBFE_MODCOD_16APSK_3_4,
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DVBFE_MODCOD_16APSK_4_5,
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DVBFE_MODCOD_16APSK_5_6,
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DVBFE_MODCOD_16APSK_8_9,
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DVBFE_MODCOD_16APSK_9_10,
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DVBFE_MODCOD_32APSK_3_4,
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DVBFE_MODCOD_32APSK_4_5,
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DVBFE_MODCOD_32APSK_5_6,
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DVBFE_MODCOD_32APSK_8_9,
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DVBFE_MODCOD_32APSK_9_10,
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DVBFE_MODCOD_RESERVED_1,
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DVBFE_MODCOD_BPSK_1_3,
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DVBFE_MODCOD_BPSK_1_4,
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DVBFE_MODCOD_RESERVED_2
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};
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enum tuner_param {
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DVBFE_TUNER_FREQUENCY = (1 << 0),
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DVBFE_TUNER_TUNERSTEP = (1 << 1),
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DVBFE_TUNER_IFFREQ = (1 << 2),
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DVBFE_TUNER_BANDWIDTH = (1 << 3),
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DVBFE_TUNER_REFCLOCK = (1 << 4),
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DVBFE_TUNER_IQSENSE = (1 << 5),
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DVBFE_TUNER_DUMMY = (1 << 31)
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};
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/*
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* ALGO_HW: (Hardware Algorithm)
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* ----------------------------------------------------------------
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* Devices that support this algorithm do everything in hardware
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* and no software support is needed to handle them.
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* Requesting these devices to LOCK is the only thing required,
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* device is supposed to do everything in the hardware.
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*
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* ALGO_SW: (Software Algorithm)
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* ----------------------------------------------------------------
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* These are dumb devices, that require software to do everything
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*
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* ALGO_CUSTOM: (Customizable Agorithm)
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* ----------------------------------------------------------------
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* Devices having this algorithm can be customized to have specific
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* algorithms in the frontend driver, rather than simply doing a
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* software zig-zag. In this case the zigzag maybe hardware assisted
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* or it maybe completely done in hardware. In all cases, usage of
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* this algorithm, in conjunction with the search and track
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* callbacks, utilizes the driver specific algorithm.
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*
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* ALGO_RECOVERY: (Recovery Algorithm)
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* ----------------------------------------------------------------
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* These devices have AUTO recovery capabilities from LOCK failure
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*/
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enum dvbfe_algo {
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DVBFE_ALGO_HW = (1 << 0),
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DVBFE_ALGO_SW = (1 << 1),
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DVBFE_ALGO_CUSTOM = (1 << 2),
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DVBFE_ALGO_RECOVERY = (1 << 31)
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};
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struct tuner_state {
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u32 frequency;
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u32 tunerstep;
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u32 ifreq;
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u32 bandwidth;
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u32 iqsense;
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u32 refclock;
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};
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/*
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* search callback possible return status
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*
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* DVBFE_ALGO_SEARCH_SUCCESS
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* The frontend search algorithm completed and returned succesfully
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*
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* DVBFE_ALGO_SEARCH_ASLEEP
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* The frontend search algorithm is sleeping
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*
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* DVBFE_ALGO_SEARCH_FAILED
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* The frontend search for a signal failed
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*
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* DVBFE_ALGO_SEARCH_INVALID
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* The frontend search algorith was probably supplied with invalid
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* parameters and the search is an invalid one
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*
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* DVBFE_ALGO_SEARCH_ERROR
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* The frontend search algorithm failed due to some error
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*
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* DVBFE_ALGO_SEARCH_AGAIN
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* The frontend search algorithm was requested to search again
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*/
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enum dvbfe_search {
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DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0),
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DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1),
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DVBFE_ALGO_SEARCH_FAILED = (1 << 2),
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DVBFE_ALGO_SEARCH_INVALID = (1 << 3),
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DVBFE_ALGO_SEARCH_AGAIN = (1 << 4),
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DVBFE_ALGO_SEARCH_ERROR = (1 << 31),
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};
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2006-04-19 04:47:09 +08:00
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struct dvb_tuner_ops {
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2006-04-19 08:37:20 +08:00
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2006-04-19 04:47:09 +08:00
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struct dvb_tuner_info info;
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int (*release)(struct dvb_frontend *fe);
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int (*init)(struct dvb_frontend *fe);
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int (*sleep)(struct dvb_frontend *fe);
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2006-04-19 08:37:20 +08:00
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/** This is for simple PLLs - set all parameters in one go. */
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2006-04-19 04:47:09 +08:00
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int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
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2007-08-21 12:25:48 +08:00
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int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p);
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2006-04-19 04:47:09 +08:00
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2006-04-19 08:37:20 +08:00
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/** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
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int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
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2006-04-19 04:47:09 +08:00
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2007-10-19 06:56:47 +08:00
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/** This is to allow setting tuner-specific configs */
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int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
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2006-04-19 08:37:20 +08:00
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int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
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2006-04-19 04:47:09 +08:00
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int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
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#define TUNER_STATUS_LOCKED 1
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2007-08-21 12:25:48 +08:00
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#define TUNER_STATUS_STEREO 2
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2006-04-19 04:47:09 +08:00
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int (*get_status)(struct dvb_frontend *fe, u32 *status);
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2007-08-31 10:00:43 +08:00
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int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
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2006-04-19 04:47:09 +08:00
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2006-04-19 08:37:20 +08:00
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/** These are provided seperately from set_params in order to facilitate silicon
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* tuners which require sophisticated tuning loops, controlling each parameter seperately. */
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2006-04-19 04:47:09 +08:00
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int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
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int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
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2008-10-15 03:34:07 +08:00
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/*
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* These are provided seperately from set_params in order to facilitate silicon
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* tuners which require sophisticated tuning loops, controlling each parameter seperately.
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*/
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int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
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int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
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2006-04-19 04:47:09 +08:00
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};
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2007-12-21 13:55:43 +08:00
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struct analog_demod_info {
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char *name;
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};
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2007-12-21 22:18:32 +08:00
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struct analog_demod_ops {
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2007-12-21 13:55:43 +08:00
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struct analog_demod_info info;
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void (*set_params)(struct dvb_frontend *fe,
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struct analog_parameters *params);
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int (*has_signal)(struct dvb_frontend *fe);
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int (*is_stereo)(struct dvb_frontend *fe);
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int (*get_afc)(struct dvb_frontend *fe);
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void (*tuner_status)(struct dvb_frontend *fe);
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void (*standby)(struct dvb_frontend *fe);
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void (*release)(struct dvb_frontend *fe);
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int (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable);
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/** This is to allow setting tuner-specific configuration */
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int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
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};
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2005-04-17 06:20:36 +08:00
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struct dvb_frontend_ops {
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struct dvb_frontend_info info;
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void (*release)(struct dvb_frontend* fe);
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2006-08-08 20:10:07 +08:00
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void (*release_sec)(struct dvb_frontend* fe);
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2005-04-17 06:20:36 +08:00
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int (*init)(struct dvb_frontend* fe);
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int (*sleep)(struct dvb_frontend* fe);
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2006-08-08 20:10:07 +08:00
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int (*write)(struct dvb_frontend* fe, u8* buf, int len);
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2006-01-10 01:25:07 +08:00
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/* if this is set, it overrides the default swzigzag */
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int (*tune)(struct dvb_frontend* fe,
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struct dvb_frontend_parameters* params,
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unsigned int mode_flags,
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2007-07-13 22:54:35 +08:00
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unsigned int *delay,
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2006-01-10 01:25:07 +08:00
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fe_status_t *status);
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2006-06-21 21:27:31 +08:00
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/* get frontend tuning algorithm from the module */
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2008-10-15 03:34:07 +08:00
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enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe);
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2006-01-10 01:25:07 +08:00
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/* these two are only used for the swzigzag code */
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2005-04-17 06:20:36 +08:00
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int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
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int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
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2006-01-10 01:25:07 +08:00
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int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
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2005-04-17 06:20:36 +08:00
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int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
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int (*read_ber)(struct dvb_frontend* fe, u32* ber);
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int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
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int (*read_snr)(struct dvb_frontend* fe, u16* snr);
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int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);
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int (*diseqc_reset_overload)(struct dvb_frontend* fe);
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int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
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int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
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int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
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int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
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int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
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2006-01-10 01:32:43 +08:00
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int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg);
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int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
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2006-01-10 01:25:12 +08:00
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int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
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2006-09-25 23:41:53 +08:00
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int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
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2006-04-19 04:47:09 +08:00
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2008-10-15 03:34:07 +08:00
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/* These callbacks are for devices that implement their own
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* tuning algorithms, rather than a simple swzigzag
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*/
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enum dvbfe_search (*search)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
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int (*track)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
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2006-04-19 04:47:09 +08:00
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struct dvb_tuner_ops tuner_ops;
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2007-12-21 22:18:32 +08:00
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struct analog_demod_ops analog_ops;
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V4L/DVB (8985): S2API: Added dvb frontend changes to support a newer tuning API
This is an experimental patch to add a new tuning mechanism for
dvb frontends. Rather than passing fixed structures across the
user/kernel boundary, which need to be revised for each new modulation
type (or feature the kernel developers want to add), this implements
a simpler message based approach, allowing fe commands to be broken
down into a series of small fixed size transactions, presented
in an array.
The goal is to avoid changing the user/kernel ABI in the future, by
simply creating new frontend commands (and sequencies of commands) that
help us add support for brand new demodulator, delivery system or
statistics related commmands.
known issues:
checkpatch voilations
feedback from various developers yet to be implemented, relating
to namespace conventions, variable length array passing conventions,
and generally some optimization.
This patch should support all existing tuning mechanisms through the
new API, as well as adding 8PSK, DVB-S2 NBC-QPSK and ISDB-T API support.
For testing and exercise purposes, see the latest tune.c tool
available from http://www.steventoth.net/linux/s2
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-09-04 12:12:25 +08:00
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2008-09-11 21:23:01 +08:00
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int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
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int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
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2005-04-17 06:20:36 +08:00
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};
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#define MAX_EVENT 8
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struct dvb_fe_events {
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struct dvb_frontend_event events[MAX_EVENT];
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int eventw;
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int eventr;
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int overflow;
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wait_queue_head_t wait_queue;
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2007-07-31 01:58:10 +08:00
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struct mutex mtx;
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2005-04-17 06:20:36 +08:00
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};
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2008-09-11 21:19:27 +08:00
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struct dtv_frontend_properties {
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V4L/DVB (8985): S2API: Added dvb frontend changes to support a newer tuning API
This is an experimental patch to add a new tuning mechanism for
dvb frontends. Rather than passing fixed structures across the
user/kernel boundary, which need to be revised for each new modulation
type (or feature the kernel developers want to add), this implements
a simpler message based approach, allowing fe commands to be broken
down into a series of small fixed size transactions, presented
in an array.
The goal is to avoid changing the user/kernel ABI in the future, by
simply creating new frontend commands (and sequencies of commands) that
help us add support for brand new demodulator, delivery system or
statistics related commmands.
known issues:
checkpatch voilations
feedback from various developers yet to be implemented, relating
to namespace conventions, variable length array passing conventions,
and generally some optimization.
This patch should support all existing tuning mechanisms through the
new API, as well as adding 8PSK, DVB-S2 NBC-QPSK and ISDB-T API support.
For testing and exercise purposes, see the latest tune.c tool
available from http://www.steventoth.net/linux/s2
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-09-04 12:12:25 +08:00
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/* Cache State */
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u32 state;
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u32 frequency;
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fe_modulation_t modulation;
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fe_sec_voltage_t voltage;
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fe_sec_tone_mode_t sectone;
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fe_spectral_inversion_t inversion;
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fe_code_rate_t fec_inner;
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fe_transmit_mode_t transmission_mode;
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2008-09-14 03:56:34 +08:00
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u32 bandwidth_hz; /* 0 = AUTO */
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V4L/DVB (8985): S2API: Added dvb frontend changes to support a newer tuning API
This is an experimental patch to add a new tuning mechanism for
dvb frontends. Rather than passing fixed structures across the
user/kernel boundary, which need to be revised for each new modulation
type (or feature the kernel developers want to add), this implements
a simpler message based approach, allowing fe commands to be broken
down into a series of small fixed size transactions, presented
in an array.
The goal is to avoid changing the user/kernel ABI in the future, by
simply creating new frontend commands (and sequencies of commands) that
help us add support for brand new demodulator, delivery system or
statistics related commmands.
known issues:
checkpatch voilations
feedback from various developers yet to be implemented, relating
to namespace conventions, variable length array passing conventions,
and generally some optimization.
This patch should support all existing tuning mechanisms through the
new API, as well as adding 8PSK, DVB-S2 NBC-QPSK and ISDB-T API support.
For testing and exercise purposes, see the latest tune.c tool
available from http://www.steventoth.net/linux/s2
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-09-04 12:12:25 +08:00
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fe_guard_interval_t guard_interval;
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fe_hierarchy_t hierarchy;
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u32 symbol_rate;
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fe_code_rate_t code_rate_HP;
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fe_code_rate_t code_rate_LP;
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fe_pilot_t pilot;
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fe_rolloff_t rolloff;
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fe_delivery_system_t delivery_system;
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};
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2005-04-17 06:20:36 +08:00
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struct dvb_frontend {
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2006-05-14 16:01:31 +08:00
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struct dvb_frontend_ops ops;
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2005-04-17 06:20:36 +08:00
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struct dvb_adapter *dvb;
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2007-10-22 11:12:16 +08:00
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void *demodulator_priv;
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void *tuner_priv;
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void *frontend_priv;
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void *sec_priv;
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void *analog_demod_priv;
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2008-09-11 21:19:27 +08:00
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struct dtv_frontend_properties dtv_property_cache;
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2008-09-10 12:39:20 +08:00
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#define DVB_FRONTEND_COMPONENT_TUNER 0
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int (*callback)(void *adapter_priv, int component, int cmd, int arg);
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2008-10-11 22:05:50 +08:00
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int id;
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2005-04-17 06:20:36 +08:00
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};
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2007-10-22 11:12:16 +08:00
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extern int dvb_register_frontend(struct dvb_adapter *dvb,
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struct dvb_frontend *fe);
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2005-04-17 06:20:36 +08:00
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2007-10-22 11:12:16 +08:00
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extern int dvb_unregister_frontend(struct dvb_frontend *fe);
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2005-04-17 06:20:36 +08:00
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2007-10-22 11:12:16 +08:00
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extern void dvb_frontend_detach(struct dvb_frontend *fe);
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2006-08-08 20:10:09 +08:00
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2006-03-31 02:53:35 +08:00
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extern void dvb_frontend_reinitialise(struct dvb_frontend *fe);
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2005-11-09 13:35:27 +08:00
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extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
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extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);
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2005-04-17 06:20:36 +08:00
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#endif
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