drivers/media/dvb-frontends/stv6110x_priv.h

   1 /*
   2         STV6110(A) Silicon tuner driver
   3
   4         Copyright (C) Manu Abraham <abraham.manu@gmail.com>
   5
   6         Copyright (C) ST Microelectronics
   7
   8         This program is free software; you can redistribute it and/or modify
   9         it under the terms of the GNU General Public License as published by
  10         the Free Software Foundation; either version 2 of the License, or
  11         (at your option) any later version.
  12
  13         This program is distributed in the hope that it will be useful,
  14         but WITHOUT ANY WARRANTY; without even the implied warranty of
  15         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16         GNU General Public License for more details.
  17
  18         You should have received a copy of the GNU General Public License
  19         along with this program; if not, write to the Free Software
  20         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #ifndef __STV6110x_PRIV_H
  24 #define __STV6110x_PRIV_H
  25
  26 #define FE_ERROR                                0
  27 #define FE_NOTICE                               1
  28 #define FE_INFO                                 2
  29 #define FE_DEBUG                                3
  30 #define FE_DEBUGREG                             4
  31
  32 #define dprintk(__y, __z, format, arg...) do {                                          \
  33         if (__z) {                                                                      \
  34                 if      ((verbose > FE_ERROR) && (verbose > __y))                       \
  35                         printk(KERN_ERR "%s: " format "\n", __func__ , ##arg);          \
  36                 else if ((verbose > FE_NOTICE) && (verbose > __y))                      \
  37                         printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg);       \
  38                 else if ((verbose > FE_INFO) && (verbose > __y))                        \
  39                         printk(KERN_INFO "%s: " format "\n", __func__ , ##arg);         \
  40                 else if ((verbose > FE_DEBUG) && (verbose > __y))                       \
  41                         printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg);        \
  42         } else {                                                                        \
  43                 if (verbose > __y)                                                      \
  44                         printk(format, ##arg);                                          \
  45         }                                                                               \
  46 } while (0)
  47
  48
  49 #define STV6110x_SETFIELD(mask, bitf, val)                              \
  50         (mask = (mask & (~(((1 << STV6110x_WIDTH_##bitf) - 1) <<        \
  51                                   STV6110x_OFFST_##bitf))) |            \
  52                           (val << STV6110x_OFFST_##bitf))
  53
  54 #define STV6110x_GETFIELD(bitf, val)                                    \
  55         ((val >> STV6110x_OFFST_##bitf) &                               \
  56         ((1 << STV6110x_WIDTH_##bitf) - 1))
  57
  58 #define MAKEWORD16(a, b)                        (((a) << 8) | (b))
  59
  60 #define LSB(x)                                  ((x & 0xff))
  61 #define MSB(y)                                  ((y >> 8) & 0xff)
  62
  63 #define TRIALS                                  10
  64 #define R_DIV(__div)                            (1 << (__div + 1))
  65 #define REFCLOCK_kHz                            (stv6110x->config->refclk /    1000)
  66 #define REFCLOCK_MHz                            (stv6110x->config->refclk / 1000000)
  67
  68 struct stv6110x_state {
  69         struct i2c_adapter              *i2c;
  70         const struct stv6110x_config    *config;
  71         u8                              regs[8];
  72
  73         struct stv6110x_devctl          *devctl;
  74 };
  75
  76 #endif /* __STV6110x_PRIV_H */