stv6110x_priv.h

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/*
    STV6110(A) Silicon tuner driver

    Copyright (C) Manu Abraham <[email protected]>

    Copyright (C) ST Microelectronics

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __STV6110x_PRIV_H
#define __STV6110x_PRIV_H

#define FE_ERROR                0
#define FE_NOTICE               1
#define FE_INFO                 2
#define FE_DEBUG                3
#define FE_DEBUGREG             4

#define dprintk(__y, __z, format, arg...) do {                      \
    if (__z) {                                  \
        if  ((verbose > FE_ERROR) && (verbose > __y))           \
            printk(KERN_ERR "%s: " format "\n", __func__ , ##arg);      \
        else if ((verbose > FE_NOTICE) && (verbose > __y))          \
            printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg);   \
        else if ((verbose > FE_INFO) && (verbose > __y))            \
            printk(KERN_INFO "%s: " format "\n", __func__ , ##arg);     \
        else if ((verbose > FE_DEBUG) && (verbose > __y))           \
            printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg);    \
    } else {                                    \
        if (verbose > __y)                          \
            printk(format, ##arg);                      \
    }                                       \
} while (0)


#define STV6110x_SETFIELD(mask, bitf, val)              \
    (mask = (mask & (~(((1 << STV6110x_WIDTH_##bitf) - 1) <<    \
                  STV6110x_OFFST_##bitf))) |        \
              (val << STV6110x_OFFST_##bitf))

#define STV6110x_GETFIELD(bitf, val)                    \
    ((val >> STV6110x_OFFST_##bitf) &               \
    ((1 << STV6110x_WIDTH_##bitf) - 1))

#define MAKEWORD16(a, b)            (((a) << 8) | (b))

#define LSB(x)                  ((x & 0xff))
#define MSB(y)                  ((y >> 8) & 0xff)

#define TRIALS                  10
#define R_DIV(__div)                (1 << (__div + 1))
#define REFCLOCK_kHz                (stv6110x->config->refclk /    1000)
#define REFCLOCK_MHz                (stv6110x->config->refclk / 1000000)

struct stv6110x_state {
    struct i2c_adapter      *i2c;
    const struct stv6110x_config    *config;
    u8              regs[8];

    struct stv6110x_devctl      *devctl;
};

#endif /* __STV6110x_PRIV_H */