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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/media/common/tuners/qt1010_priv.h
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/*

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 *  Driver for Quantek QT1010 silicon tuner

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 *

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 *  Copyright (C) 2006 Antti Palosaari <[email protected]>

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 *                     Aapo Tahkola <[email protected]>

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 *

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 *  This program is free software; you can redistribute it and/or modify

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 *  it under the terms of the GNU General Public License as published by

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 *  the Free Software Foundation; either version 2 of the License, or

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 *  (at your option) any later version.

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 *

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 *  This program is distributed in the hope that it will be useful,

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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 *  GNU General Public License for more details.

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 *

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 *  You should have received a copy of the GNU General Public License

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 *  along with this program; if not, write to the Free Software

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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

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 */

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#ifndef QT1010_PRIV_H

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#define QT1010_PRIV_H

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/*

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reg def meaning

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=== === =======

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00  00  ?

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01  a0  ? operation start/stop; start=80, stop=00

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02  00  ?

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03  19  ?

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04  00  ?

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05  00  ? maybe band selection

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06  00  ?

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07  2b  set frequency: 32 MHz scale, n*32 MHz

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08  0b  ?

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09  10  ? changes every 8/24 MHz; values 1d/1c

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0a  08  set frequency: 4 MHz scale, n*4 MHz

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0b  41  ? changes every 2/2 MHz; values 45/45

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0c  e1  ?

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0d  94  ?

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0e  b6  ?

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0f  2c  ?

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10  10  ?

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11  f1  ? maybe device specified adjustment

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12  11  ? maybe device specified adjustment

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13  3f  ?

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14  1f  ?

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15  3f  ?

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16  ff  ?

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17  ff  ?

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18  f7  ?

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19  80  ?

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1a  d0  set frequency: 125 kHz scale, n*125 kHz

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1b  00  ?

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1c  89  ?

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1d  00  ?

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1e  00  ? looks like operation register; write cmd here, read result from 1f-26

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1f  20  ? chip initialization

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20  e0  ? chip initialization

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21  20  ?

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22  d0  ?

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23  d0  ?

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24  d0  ?

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25  40  ? chip initialization

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26  08  ?

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27  29  ?

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28  55  ?

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29  39  ?

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2a  13  ?

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2b  01  ?

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2c  ea  ?

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2d  00  ?

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2e  00  ? not used?

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2f  00  ? not used?

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*/

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#define QT1010_STEP         125000 /*  125 kHz used by Windows drivers,

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				      hw could be more precise but we don't

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				      know how to use */

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#define QT1010_MIN_FREQ   48000000 /*   48 MHz */

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#define QT1010_MAX_FREQ  860000000 /*  860 MHz */

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#define QT1010_OFFSET   1246000000 /* 1246 MHz */

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#define QT1010_WR 0

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#define QT1010_RD 1

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#define QT1010_M1 3

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typedef struct {

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	u8 oper, reg, val;

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} qt1010_i2c_oper_t;

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struct qt1010_priv {

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	struct qt1010_config *cfg;

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	struct i2c_adapter   *i2c;

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	u8 reg1f_init_val;

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	u8 reg20_init_val;

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	u8 reg25_init_val;

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	u32 frequency;

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	u32 bandwidth;

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};

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#endif

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