mirror of https://gitee.com/openkylin/linux.git
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/*
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* Support for LG2160 - ATSC/MH
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*
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* Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
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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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*/
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#ifndef _LG2160_H_
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#define _LG2160_H_
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#include <linux/i2c.h>
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#include <media/dvb_frontend.h>
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enum lg_chip_type {
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LG2160 = 0,
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LG2161 = 1,
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};
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#define LG2161_1019 LG2161
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#define LG2161_1040 LG2161
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enum lg2160_spi_clock {
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LG2160_SPI_3_125_MHZ = 0,
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LG2160_SPI_6_25_MHZ = 1,
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LG2160_SPI_12_5_MHZ = 2,
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};
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#if 0
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enum lg2161_oif {
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LG2161_OIF_EBI2_SLA = 1,
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LG2161_OIF_SDIO_SLA = 2,
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LG2161_OIF_SPI_SLA = 3,
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LG2161_OIF_SPI_MAS = 4,
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LG2161_OIF_SERIAL_TS = 7,
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};
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#endif
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struct lg2160_config {
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u8 i2c_addr;
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/* user defined IF frequency in KHz */
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u16 if_khz;
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/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
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unsigned int deny_i2c_rptr:1;
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/* spectral inversion - 0:disabled 1:enabled */
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unsigned int spectral_inversion:1;
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unsigned int output_if;
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enum lg2160_spi_clock spi_clock;
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enum lg_chip_type lg_chip;
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};
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#if IS_REACHABLE(CONFIG_DVB_LG2160)
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extern
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struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
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struct i2c_adapter *i2c_adap);
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#else
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static inline
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struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
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struct i2c_adapter *i2c_adap)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif /* CONFIG_DVB_LG2160 */
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#endif /* _LG2160_H_ */
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