drivers/media/dvb-frontends/cxd2820r.h

   1 /*
   2  * Sony CXD2820R demodulator driver
   3  *
   4  * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
   5  *
   6  *    This program is free software; you can redistribute it and/or modify
   7  *    it under the terms of the GNU General Public License as published by
   8  *    the Free Software Foundation; either version 2 of the License, or
   9  *    (at your option) any later version.
  10  *
  11  *    This program is distributed in the hope that it will be useful,
  12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *    GNU General Public License for more details.
  15  *
  16  *    You should have received a copy of the GNU General Public License along
  17  *    with this program; if not, write to the Free Software Foundation, Inc.,
  18  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21
  22 #ifndef CXD2820R_H
  23 #define CXD2820R_H
  24
  25 #include <linux/kconfig.h>
  26 #include <linux/dvb/frontend.h>
  27
  28 #define CXD2820R_GPIO_D (0 << 0) /* disable */
  29 #define CXD2820R_GPIO_E (1 << 0) /* enable */
  30 #define CXD2820R_GPIO_O (0 << 1) /* output */
  31 #define CXD2820R_GPIO_I (1 << 1) /* input */
  32 #define CXD2820R_GPIO_L (0 << 2) /* output low */
  33 #define CXD2820R_GPIO_H (1 << 2) /* output high */
  34
  35 #define CXD2820R_TS_SERIAL        0x08
  36 #define CXD2820R_TS_SERIAL_MSB    0x28
  37 #define CXD2820R_TS_PARALLEL      0x30
  38 #define CXD2820R_TS_PARALLEL_MSB  0x70
  39
  40 struct cxd2820r_config {
  41         /* Demodulator I2C address.
  42          * Driver determines DVB-C slave I2C address automatically from master
  43          * address.
  44          * Default: none, must set
  45          * Values: 0x6c, 0x6d
  46          */
  47         u8 i2c_address;
  48
  49         /* TS output mode.
  50          * Default: none, must set.
  51          * Values:
  52          */
  53         u8 ts_mode;
  54
  55         /* IF AGC polarity.
  56          * Default: 0
  57          * Values: 0, 1
  58          */
  59         bool if_agc_polarity;
  60
  61         /* Spectrum inversion.
  62          * Default: 0
  63          * Values: 0, 1
  64          */
  65         bool spec_inv;
  66 };
  67
  68
  69 #if IS_ENABLED(CONFIG_DVB_CXD2820R)
  70 extern struct dvb_frontend *cxd2820r_attach(
  71         const struct cxd2820r_config *config,
  72         struct i2c_adapter *i2c,
  73         int *gpio_chip_base
  74 );
  75 #else
  76 static inline struct dvb_frontend *cxd2820r_attach(
  77         const struct cxd2820r_config *config,
  78         struct i2c_adapter *i2c,
  79         int *gpio_chip_base
  80 )
  81 {
  82         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  83         return NULL;
  84 }
  85
  86 #endif
  87
  88 #endif /* CXD2820R_H */