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/*
    STB0899 Multistandard Frontend driver
    Copyright (C) Manu Abraham (abraham.manu@gmail.com)

    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 __STB0899_DRV_H
#define __STB0899_DRV_H

#include <linux/kernel.h>
#include <linux/module.h>

#include "dvb_frontend.h"

#define STB0899_TSMODE_SERIAL        1
#define STB0899_CLKPOL_FALLING        2
#define STB0899_CLKNULL_PARITY        3
#define STB0899_SYNC_FORCED        4
#define STB0899_FECMODE_DSS        5

struct stb0899_s1_reg {
    u16    address;
    u8    data;
};

struct stb0899_s2_reg {
    u16    offset;
    u32    base_address;
    u32    data;
};

enum stb0899_inversion {
    IQ_SWAP_OFF    = 0,
    IQ_SWAP_ON,
    IQ_SWAP_AUTO
};

#define STB0899_GPIO00                0xf140
#define STB0899_GPIO01                0xf141
#define STB0899_GPIO02                0xf142
#define STB0899_GPIO03                0xf143
#define STB0899_GPIO04                0xf144
#define STB0899_GPIO05                0xf145
#define STB0899_GPIO06                0xf146
#define STB0899_GPIO07                0xf147
#define STB0899_GPIO08                0xf148
#define STB0899_GPIO09                0xf149
#define STB0899_GPIO10                0xf14a
#define STB0899_GPIO11                0xf14b
#define STB0899_GPIO12                0xf14c
#define STB0899_GPIO13                0xf14d
#define STB0899_GPIO14                0xf14e
#define STB0899_GPIO15                0xf14f
#define STB0899_GPIO16                0xf150
#define STB0899_GPIO17                0xf151
#define STB0899_GPIO18                0xf152
#define STB0899_GPIO19                0xf153
#define STB0899_GPIO20                0xf154

#define STB0899_GPIOPULLUP            0x01 /* Output device is connected to Vdd */
#define STB0899_GPIOPULLDN            0x00 /* Output device is connected to Vss */

#define STB0899_POSTPROC_GPIO_POWER        0x00
#define STB0899_POSTPROC_GPIO_LOCK        0x01

/*
 * Post process output configuration control
 * 1. POWER ON/OFF        (index 0)
 * 2. FE_HAS_LOCK/LOCK_LOSS    (index 1)
 *
 * @gpio     = one of the above listed GPIO's
 * @level    = output state: pulled up or low
 */
struct stb0899_postproc {
    u16    gpio;
    u8    level;
};

struct stb0899_config {
    const struct stb0899_s1_reg    *init_dev;
    const struct stb0899_s2_reg    *init_s2_demod;
    const struct stb0899_s1_reg    *init_s1_demod;
    const struct stb0899_s2_reg    *init_s2_fec;
    const struct stb0899_s1_reg    *init_tst;

    const struct stb0899_postproc    *postproc;

    enum stb0899_inversion        inversion;

    u32    xtal_freq;

    u8    demod_address;
    u8    ts_output_mode;
    u8    block_sync_mode;
    u8    ts_pfbit_toggle;

    u8    clock_polarity;
    u8    data_clk_parity;
    u8    fec_mode;
    u8    data_output_ctl;
    u8    data_fifo_mode;
    u8    out_rate_comp;
    u8    i2c_repeater;
//    int    inversion;
    int    lo_clk;
    int    hi_clk;

    u32    esno_ave;
    u32    esno_quant;
    u32    avframes_coarse;
    u32    avframes_fine;
    u32    miss_threshold;
    u32    uwp_threshold_acq;
    u32    uwp_threshold_track;
    u32    uwp_threshold_sof;
    u32    sof_search_timeout;

    u32    btr_nco_bits;
    u32    btr_gain_shift_offset;
    u32    crl_nco_bits;
    u32    ldpc_max_iter;

    int (*tuner_set_frequency)(struct dvb_frontend *fe, u32 frequency);
    int (*tuner_get_frequency)(struct dvb_frontend *fe, u32 *frequency);
    int (*tuner_set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
    int (*tuner_get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
    int (*tuner_set_rfsiggain)(struct dvb_frontend *fe, u32 rf_gain);
};

#if defined(CONFIG_DVB_STB0899) || (defined(CONFIG_DVB_STB0899_MODULE) && defined(MODULE))

extern struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
                       struct i2c_adapter *i2c);

#else

static inline struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
                          struct i2c_adapter *i2c)
{
    printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
    return NULL;
}

#endif //CONFIG_DVB_STB0899


#endif
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