drivers/media/dvb-frontends/s5h1411.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3     Samsung S5H1411 VSB/QAM demodulator driver
   4
   5     Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
   6
   7
   8 */
   9
  10 #ifndef __S5H1411_H__
  11 #define __S5H1411_H__
  12
  13 #include <linux/dvb/frontend.h>
  14
  15 #define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
  16 #define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
  17
  18 struct s5h1411_config {
  19
  20         /* serial/parallel output */
  21 #define S5H1411_PARALLEL_OUTPUT 0
  22 #define S5H1411_SERIAL_OUTPUT   1
  23         u8 output_mode;
  24
  25         /* GPIO Setting */
  26 #define S5H1411_GPIO_OFF 0
  27 #define S5H1411_GPIO_ON  1
  28         u8 gpio;
  29
  30         /* MPEG signal timing */
  31 #define S5H1411_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK       0
  32 #define S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK    1
  33 #define S5H1411_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK    2
  34 #define S5H1411_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
  35         u16 mpeg_timing;
  36
  37         /* IF Freq for QAM and VSB in KHz */
  38 #define S5H1411_IF_3250  3250
  39 #define S5H1411_IF_3500  3500
  40 #define S5H1411_IF_4000  4000
  41 #define S5H1411_IF_5380  5380
  42 #define S5H1411_IF_44000 44000
  43 #define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
  44 #define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
  45         u16 qam_if;
  46         u16 vsb_if;
  47
  48         /* Spectral Inversion */
  49 #define S5H1411_INVERSION_OFF 0
  50 #define S5H1411_INVERSION_ON  1
  51         u8 inversion;
  52
  53         /* Return lock status based on tuner lock, or demod lock */
  54 #define S5H1411_TUNERLOCKING 0
  55 #define S5H1411_DEMODLOCKING 1
  56         u8 status_mode;
  57 };
  58
  59 #if IS_REACHABLE(CONFIG_DVB_S5H1411)
  60 extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
  61                                            struct i2c_adapter *i2c);
  62 #else
  63 static inline struct dvb_frontend *s5h1411_attach(
  64         const struct s5h1411_config *config,
  65         struct i2c_adapter *i2c)
  66 {
  67         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  68         return NULL;
  69 }
  70 #endif /* CONFIG_DVB_S5H1411 */
  71
  72 #endif /* __S5H1411_H__ */