diff options
Diffstat (limited to 'drivers/media/tuners/qt1010_priv.h')
| -rw-r--r-- | drivers/media/tuners/qt1010_priv.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/media/tuners/qt1010_priv.h b/drivers/media/tuners/qt1010_priv.h new file mode 100644 index 0000000000..f866117745 --- /dev/null +++ b/drivers/media/tuners/qt1010_priv.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Driver for Quantek QT1010 silicon tuner + * + * Copyright (C) 2006 Antti Palosaari <crope@iki.fi> + * Aapo Tahkola <aet@rasterburn.org> + */ + +#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 |