71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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Samsung S5H1409 VSB/QAM demodulator driver
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Copyright (C) 2006 Steven Toth <stoth@linuxtv.org>
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*/
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#ifndef __S5H1409_H__
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#define __S5H1409_H__
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#include <linux/dvb/frontend.h>
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struct s5h1409_config {
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/* the demodulator's i2c address */
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u8 demod_address;
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/* serial/parallel output */
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#define S5H1409_PARALLEL_OUTPUT 0
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#define S5H1409_SERIAL_OUTPUT 1
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u8 output_mode;
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/* GPIO Setting */
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#define S5H1409_GPIO_OFF 0
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#define S5H1409_GPIO_ON 1
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u8 gpio;
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/* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */
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u16 qam_if;
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/* Spectral Inversion */
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#define S5H1409_INVERSION_OFF 0
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#define S5H1409_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 S5H1409_TUNERLOCKING 0
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#define S5H1409_DEMODLOCKING 1
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u8 status_mode;
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/* MPEG signal timing */
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#define S5H1409_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK 0
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#define S5H1409_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK 1
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#define S5H1409_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK 2
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#define S5H1409_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
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u16 mpeg_timing;
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/* HVR-1600 optimizations (to better work with MXL5005s)
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Note: some of these are likely to be folded into the generic driver
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after being regression tested with other boards */
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#define S5H1409_HVR1600_NOOPTIMIZE 0
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#define S5H1409_HVR1600_OPTIMIZE 1
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u8 hvr1600_opt;
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};
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#if IS_REACHABLE(CONFIG_DVB_S5H1409)
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extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *s5h1409_attach(
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const struct s5h1409_config *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_S5H1409 */
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#endif /* __S5H1409_H__ */
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