kernel_samsung_a34x-permissive/drivers/media/tuners/qt1010_priv.h
2024-04-28 15:51:13 +02:00

103 lines
2.2 KiB
C

/*
* Driver for Quantek QT1010 silicon tuner
*
* Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
* Aapo Tahkola <aet@rasterburn.org>
*
* 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.
*/
#ifndef QT1010_PRIV_H
#define QT1010_PRIV_H
/*
reg def meaning
=== === =======
00 00 ?
01 a0 ? operation start/stop; start=80, stop=00
02 00 ?
03 19 ?
04 00 ?
05 00 ? maybe band selection
06 00 ?
07 2b set frequency: 32 MHz scale, n*32 MHz
08 0b ?
09 10 ? changes every 8/24 MHz; values 1d/1c
0a 08 set frequency: 4 MHz scale, n*4 MHz
0b 41 ? changes every 2/2 MHz; values 45/45
0c e1 ?
0d 94 ?
0e b6 ?
0f 2c ?
10 10 ?
11 f1 ? maybe device specified adjustment
12 11 ? maybe device specified adjustment
13 3f ?
14 1f ?
15 3f ?
16 ff ?
17 ff ?
18 f7 ?
19 80 ?
1a d0 set frequency: 125 kHz scale, n*125 kHz
1b 00 ?
1c 89 ?
1d 00 ?
1e 00 ? looks like operation register; write cmd here, read result from 1f-26
1f 20 ? chip initialization
20 e0 ? chip initialization
21 20 ?
22 d0 ?
23 d0 ?
24 d0 ?
25 40 ? chip initialization
26 08 ?
27 29 ?
28 55 ?
29 39 ?
2a 13 ?
2b 01 ?
2c ea ?
2d 00 ?
2e 00 ? not used?
2f 00 ? not used?
*/
#define QT1010_STEP (125 * kHz) /*
* used by Windows drivers,
* hw could be more precise but we don't
* know how to use
*/
#define QT1010_MIN_FREQ (48 * MHz)
#define QT1010_MAX_FREQ (860 * MHz)
#define QT1010_OFFSET (1246 * MHz)
#define QT1010_WR 0
#define QT1010_RD 1
#define QT1010_M1 3
typedef struct {
u8 oper, reg, val;
} qt1010_i2c_oper_t;
struct qt1010_priv {
struct qt1010_config *cfg;
struct i2c_adapter *i2c;
u8 reg1f_init_val;
u8 reg20_init_val;
u8 reg25_init_val;
u32 frequency;
};
#endif