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
  22 struct 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)
  64 extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
  65                                            struct i2c_adapter *i2c);
  66 #else
  67 static 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__ */