117 строки
2.8 KiB
C
117 строки
2.8 KiB
C
/*
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* NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
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*
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* Copyright (C) 2011 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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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef TDA10071_H
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#define TDA10071_H
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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/*
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* I2C address
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* 0x55,
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*/
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/**
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* struct tda10071_platform_data - Platform data for the tda10071 driver
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* @clk: Clock frequency.
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* @i2c_wr_max: Max bytes I2C adapter can write at once.
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* @ts_mode: TS mode.
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* @spec_inv: Input spectrum inversion.
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* @pll_multiplier: PLL multiplier.
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* @tuner_i2c_addr: CX24118A tuner I2C address (0x14, 0x54, ...).
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* @get_dvb_frontend: Get DVB frontend.
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*/
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struct tda10071_platform_data {
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u32 clk;
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u16 i2c_wr_max;
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#define TDA10071_TS_SERIAL 0
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#define TDA10071_TS_PARALLEL 1
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u8 ts_mode;
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bool spec_inv;
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u8 pll_multiplier;
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u8 tuner_i2c_addr;
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struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
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};
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struct tda10071_config {
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/* Demodulator I2C address.
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* Default: none, must set
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* Values: 0x55,
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*/
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u8 demod_i2c_addr;
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/* Tuner I2C address.
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* Default: none, must set
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* Values: 0x14, 0x54, ...
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*/
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u8 tuner_i2c_addr;
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/* Max bytes I2C provider can write at once.
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* Note: Buffer is taken from the stack currently!
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* Default: none, must set
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* Values:
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*/
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u16 i2c_wr_max;
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/* TS output mode.
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* Default: TDA10071_TS_SERIAL
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* Values:
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*/
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#define TDA10071_TS_SERIAL 0
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#define TDA10071_TS_PARALLEL 1
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u8 ts_mode;
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/* Input spectrum inversion.
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* Default: 0
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* Values: 0, 1
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*/
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bool spec_inv;
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/* Xtal frequency Hz
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* Default: none, must set
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* Values:
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*/
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u32 xtal;
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/* PLL multiplier.
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* Default: none, must set
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* Values:
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*/
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u8 pll_multiplier;
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};
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#if IS_REACHABLE(CONFIG_DVB_TDA10071)
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extern struct dvb_frontend *tda10071_attach(
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const struct tda10071_config *config, struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *tda10071_attach(
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const struct tda10071_config *config, struct i2c_adapter *i2c)
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{
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dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif /* TDA10071_H */
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