linux-imx

/*

 * NXP TDA18212HN silicon tuner driver

 *

 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>

 *

 *    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.,

 *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

​

#include "tda18212.h"

#include <linux/regmap.h>

​

struct tda18212_dev {

    struct tda18212_config cfg;

    struct i2c_client *client;

    struct regmap *regmap;

​

    u32 if_frequency;

};

​

static int tda18212_set_params(struct dvb_frontend *fe)

{

    struct tda18212_dev *dev = fe->tuner_priv;

    struct dtv_frontend_properties *c = &fe->dtv_property_cache;

    int ret, i;

    u32 if_khz;

    u8 buf[9];

    #define DVBT_6   0

    #define DVBT_7   1

    #define DVBT_8   2

    #define DVBT2_6  3

    #define DVBT2_7  4

    #define DVBT2_8  5

    #define DVBC_6   6

    #define DVBC_8   7

    #define ATSC_VSB 8

    #define ATSC_QAM 9

    static const u8 bw_params[][3] = {

             /* reg:   0f    13    23 */

        [DVBT_6]  = { 0xb3, 0x20, 0x03 },

        [DVBT_7]  = { 0xb3, 0x31, 0x01 },

        [DVBT_8]  = { 0xb3, 0x22, 0x01 },

        [DVBT2_6] = { 0xbc, 0x20, 0x03 },

        [DVBT2_7] = { 0xbc, 0x72, 0x03 },

        [DVBT2_8] = { 0xbc, 0x22, 0x01 },

        [DVBC_6]  = { 0x92, 0x50, 0x03 },

        [DVBC_8]  = { 0x92, 0x53, 0x03 },

        [ATSC_VSB] = { 0x7d, 0x20, 0x63 },

        [ATSC_QAM] = { 0x7d, 0x20, 0x63 },

    };

​

    dev_dbg(&dev->client->dev,