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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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23ba635d45
Convert the driver to allow its usage with the new I2C binding way. Please notice that this patch doesn't convert the callers to bind to it using the new way. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
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* Support for LGDT3302 and LGDT3303 - VSB/QAM
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*
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* Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
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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 LGDT330X_H
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#define LGDT330X_H
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#include <linux/dvb/frontend.h>
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typedef enum lg_chip_t {
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UNDEFINED,
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LGDT3302,
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LGDT3303
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}lg_chip_type;
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/**
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* struct lgdt330x_config - contains lgdt330x configuration
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*
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* @demod_chip: LG demodulator chip LGDT3302 or LGDT3303
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* @serial_mpeg: MPEG hardware interface - 0:parallel 1:serial
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* @pll_rf_set: Callback function to set PLL interface
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* @set_ts_params: Callback function to set device param for start_dma
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* @clock_polarity_flip:
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* Flip the polarity of the mpeg data transfer clock using alternate
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* init data.
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* This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled
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* @get_dvb_frontend:
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* returns the frontend associated with this I2C client.
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* Filled by the driver.
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*/
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struct lgdt330x_config
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{
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lg_chip_type demod_chip;
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int serial_mpeg;
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int (*pll_rf_set) (struct dvb_frontend* fe, int index);
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int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
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int clock_polarity_flip;
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struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
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};
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#if IS_REACHABLE(CONFIG_DVB_LGDT330X)
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struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config,
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u8 demod_address,
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struct i2c_adapter *i2c);
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#else
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static
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struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config,
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u8 demod_address,
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struct i2c_adapter *i2c)
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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_LGDT330X
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#endif /* LGDT330X_H */
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