77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Samsung s5h1432 VSB/QAM demodulator driver
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*
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* Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com>
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*/
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#ifndef __S5H1432_H__
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#define __S5H1432_H__
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#include <linux/dvb/frontend.h>
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#define S5H1432_I2C_TOP_ADDR (0x02 >> 1)
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#define TAIWAN_HI_IF_FREQ_44_MHZ 44000000
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#define EUROPE_HI_IF_FREQ_36_MHZ 36000000
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#define IF_FREQ_6_MHZ 6000000
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#define IF_FREQ_3point3_MHZ 3300000
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#define IF_FREQ_3point5_MHZ 3500000
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#define IF_FREQ_4_MHZ 4000000
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struct s5h1432_config {
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/* serial/parallel output */
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#define S5H1432_PARALLEL_OUTPUT 0
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#define S5H1432_SERIAL_OUTPUT 1
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u8 output_mode;
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/* GPIO Setting */
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#define S5H1432_GPIO_OFF 0
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#define S5H1432_GPIO_ON 1
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u8 gpio;
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/* MPEG signal timing */
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#define S5H1432_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0
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#define S5H1432_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1
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#define S5H1432_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2
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#define S5H1432_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
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u16 mpeg_timing;
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/* IF Freq for QAM and VSB in KHz */
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#define S5H1432_IF_3250 3250
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#define S5H1432_IF_3500 3500
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#define S5H1432_IF_4000 4000
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#define S5H1432_IF_5380 5380
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#define S5H1432_IF_44000 44000
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#define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000
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#define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000
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u16 qam_if;
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u16 vsb_if;
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/* Spectral Inversion */
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#define S5H1432_INVERSION_OFF 0
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#define S5H1432_INVERSION_ON 1
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u8 inversion;
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/* Return lock status based on tuner lock, or demod lock */
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#define S5H1432_TUNERLOCKING 0
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#define S5H1432_DEMODLOCKING 1
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u8 status_mode;
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};
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#if IS_REACHABLE(CONFIG_DVB_S5H1432)
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extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config
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*config,
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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_s5h1432 */
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#endif /* __s5h1432_H__ */
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