LXR linux/drivers/media/dvb-frontends/stv6110x

   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
  68struct 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 */
  77