LXR linux/drivers/media/dvb-frontends/s5h1432.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *  Samsung s5h1432 VSB/QAM demodulator driver
   4 *
   5 *  Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com>
   6 */
   7
   8#ifndef __S5H1432_H__
   9#define __S5H1432_H__
  10
  11#include <linux/dvb/frontend.h>
  12
  13#define S5H1432_I2C_TOP_ADDR (0x02 >> 1)
  14
  15#define TAIWAN_HI_IF_FREQ_44_MHZ 44000000
  16#define EUROPE_HI_IF_FREQ_36_MHZ 36000000
  17#define IF_FREQ_6_MHZ             6000000
  18#define IF_FREQ_3point3_MHZ       3300000
  19#define IF_FREQ_3point5_MHZ       3500000
  20#define IF_FREQ_4_MHZ             4000000
  21
  22struct s5h1432_config {
  23
  24        /* serial/parallel output */
  25#define S5H1432_PARALLEL_OUTPUT 0
  26#define S5H1432_SERIAL_OUTPUT   1
  27        u8 output_mode;
  28
  29        /* GPIO Setting */
  30#define S5H1432_GPIO_OFF 0
  31#define S5H1432_GPIO_ON  1
  32        u8 gpio;
  33
  34        /* MPEG signal timing */
  35#define S5H1432_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK       0
  36#define S5H1432_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK    1
  37#define S5H1432_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK    2
  38#define S5H1432_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
  39        u16 mpeg_timing;
  40
  41        /* IF Freq for QAM and VSB in KHz */
  42#define S5H1432_IF_3250  3250
  43#define S5H1432_IF_3500  3500
  44#define S5H1432_IF_4000  4000
  45#define S5H1432_IF_5380  5380
  46#define S5H1432_IF_44000 44000
  47#define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000
  48#define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000
  49        u16 qam_if;
  50        u16 vsb_if;
  51
  52        /* Spectral Inversion */
  53#define S5H1432_INVERSION_OFF 0
  54#define S5H1432_INVERSION_ON  1
  55        u8 inversion;
  56
  57        /* Return lock status based on tuner lock, or demod lock */
  58#define S5H1432_TUNERLOCKING 0
  59#define S5H1432_DEMODLOCKING 1
  60        u8 status_mode;
  61};
  62
  63#if IS_REACHABLE(CONFIG_DVB_S5H1432)
  64extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
  65                                           struct i2c_adapter *i2c);
  66#else
  67static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config
  68                                                  *config,
  69                                                  struct i2c_adapter *i2c)
  70{
  71        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  72        return NULL;
  73}
  74#endif /* CONFIG_DVB_s5h1432 */
  75
  76#endif /* __s5h1432_H__ */
  77