85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/*
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Samsung S5H1411 VSB/QAM demodulator driver
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Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __S5H1411_H__
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#define __S5H1411_H__
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#include <linux/dvb/frontend.h>
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#define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
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#define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
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struct s5h1411_config {
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/* serial/parallel output */
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#define S5H1411_PARALLEL_OUTPUT 0
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#define S5H1411_SERIAL_OUTPUT 1
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u8 output_mode;
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/* GPIO Setting */
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#define S5H1411_GPIO_OFF 0
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#define S5H1411_GPIO_ON 1
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u8 gpio;
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/* MPEG signal timing */
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#define S5H1411_MPEGTIMING_CONTINOUS_INVERTING_CLOCK 0
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#define S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 1
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#define S5H1411_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK 2
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#define S5H1411_MPEGTIMING_NONCONTINOUS_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 S5H1411_IF_3250 3250
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#define S5H1411_IF_3500 3500
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#define S5H1411_IF_4000 4000
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#define S5H1411_IF_5380 5380
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#define S5H1411_IF_44000 44000
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#define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
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#define S5H1411_QAM_IF_DEFAULT S5H1411_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 S5H1411_INVERSION_OFF 0
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#define S5H1411_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 S5H1411_TUNERLOCKING 0
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#define S5H1411_DEMODLOCKING 1
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u8 status_mode;
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};
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#if IS_REACHABLE(CONFIG_DVB_S5H1411)
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extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *s5h1411_attach(
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const struct s5h1411_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_S5H1411 */
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#endif /* __S5H1411_H__ */
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