stb6100.h

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/*
    STB6100 Silicon Tuner
    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 __STB_6100_REG_H
#define __STB_6100_REG_H

#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"

#define STB6100_LD          0x00
#define STB6100_LD_LOCK         (1 << 0)

#define STB6100_VCO         0x01
#define STB6100_VCO_OSCH        (0x01 << 7)
#define STB6100_VCO_OSCH_SHIFT      7
#define STB6100_VCO_OCK         (0x03 << 5)
#define STB6100_VCO_OCK_SHIFT       5
#define STB6100_VCO_ODIV        (0x01 << 4)
#define STB6100_VCO_ODIV_SHIFT      4
#define STB6100_VCO_OSM         (0x0f << 0)

#define STB6100_NI          0x02
#define STB6100_NF_LSB          0x03

#define STB6100_K           0x04
#define STB6100_K_PSD2          (0x01 << 2)
#define STB6100_K_PSD2_SHIFT            2
#define STB6100_K_NF_MSB        (0x03 << 0)

#define STB6100_G           0x05
#define STB6100_G_G         (0x0f << 0)
#define STB6100_G_GCT           (0x07 << 5)

#define STB6100_F           0x06
#define STB6100_F_F         (0x1f << 0)

#define STB6100_DLB         0x07

#define STB6100_TEST1           0x08

#define STB6100_FCCK            0x09
#define STB6100_FCCK_FCCK       (0x01 << 6)

#define STB6100_LPEN            0x0a
#define STB6100_LPEN_LPEN       (0x01 << 4)
#define STB6100_LPEN_SYNP       (0x01 << 5)
#define STB6100_LPEN_OSCP       (0x01 << 6)
#define STB6100_LPEN_BEN        (0x01 << 7)

#define STB6100_TEST3           0x0b

#define STB6100_NUMREGS                 0x0c


#define INRANGE(val, x, y)      (((x <= val) && (val <= y)) ||      \
                     ((y <= val) && (val <= x)) ? 1 : 0)

#define CHKRANGE(val, x, y)     (((val >= x) && (val < y)) ? 1 : 0)

struct stb6100_config {
    u8  tuner_address;
    u32 refclock;
};

struct stb6100_state {
    struct i2c_adapter *i2c;

    const struct stb6100_config *config;
    struct dvb_tuner_ops        ops;
    struct dvb_frontend     *frontend;
    struct tuner_state      status;

    u32 frequency;
    u32 srate;
    u32 bandwidth;
    u32 reference;
};

#if defined(CONFIG_DVB_STB6100) || (defined(CONFIG_DVB_STB6100_MODULE) && defined(MODULE))

extern struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
                       const struct stb6100_config *config,
                       struct i2c_adapter *i2c);

#else

static inline struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
                          const struct stb6100_config *config,
                          struct i2c_adapter *i2c)
{
    printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
    return NULL;
}

#endif //CONFIG_DVB_STB6100

#endif