d4c779bc91
Some tuners produce inverted spectrum, but the si2168 is not currently set up to accept it. This adds an optional parameter to set the frontend up to receive inverted spectrum. Parameter is optional and only boards who enable inversion will utilize this. Signed-off-by: Brad Love <brad@nextdimension.cc> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
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* Silicon Labs Si2168 DVB-T/T2/C demodulator driver
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*
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* Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
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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, or
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* (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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#ifndef SI2168_PRIV_H
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#define SI2168_PRIV_H
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#include "si2168.h"
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#include <media/dvb_frontend.h>
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#include <linux/firmware.h>
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#include <linux/i2c-mux.h>
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#include <linux/kernel.h>
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#define SI2168_A20_FIRMWARE "dvb-demod-si2168-a20-01.fw"
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#define SI2168_A30_FIRMWARE "dvb-demod-si2168-a30-01.fw"
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#define SI2168_B40_FIRMWARE "dvb-demod-si2168-b40-01.fw"
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#define SI2168_D60_FIRMWARE "dvb-demod-si2168-d60-01.fw"
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#define SI2168_B40_FIRMWARE_FALLBACK "dvb-demod-si2168-02.fw"
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/* state struct */
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struct si2168_dev {
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struct mutex i2c_mutex;
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struct i2c_mux_core *muxc;
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struct dvb_frontend fe;
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enum fe_delivery_system delivery_system;
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enum fe_status fe_status;
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#define SI2168_CHIP_ID_A20 ('A' << 24 | 68 << 16 | '2' << 8 | '0' << 0)
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#define SI2168_CHIP_ID_A30 ('A' << 24 | 68 << 16 | '3' << 8 | '0' << 0)
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#define SI2168_CHIP_ID_B40 ('B' << 24 | 68 << 16 | '4' << 8 | '0' << 0)
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#define SI2168_CHIP_ID_D60 ('D' << 24 | 68 << 16 | '6' << 8 | '0' << 0)
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unsigned int chip_id;
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unsigned int version;
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const char *firmware_name;
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bool active;
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bool warm;
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u8 ts_mode;
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bool ts_clock_inv;
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bool ts_clock_gapped;
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bool spectral_inversion;
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};
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/* firmware command struct */
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#define SI2168_ARGLEN 30
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struct si2168_cmd {
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u8 args[SI2168_ARGLEN];
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unsigned wlen;
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unsigned rlen;
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};
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#endif
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