| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Driver for Zarlink DVB-T ZL10353 demodulator |
| 3 | * |
| 4 | * Copyright (C) 2006, 2007 Christopher Pascoe <c.pascoe@itee.uq.edu.au> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * |
| 15 | * GNU General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | #ifndef ZL10353_H |
| 19 | #define ZL10353_H |
| 20 | |
| 21 | #include <linux/dvb/frontend.h> |
| 22 | |
| 23 | struct zl10353_config |
| 24 | { |
| 25 | /* demodulator's I2C address */ |
| 26 | u8 demod_address; |
| 27 | |
| 28 | /* frequencies in units of 0.1kHz */ |
| 29 | int adc_clock; /* default: 450560 (45.056 MHz) */ |
| 30 | int if2; /* default: 361667 (36.1667 MHz) */ |
| 31 | |
| 32 | /* set if no pll is connected to the secondary i2c bus */ |
| 33 | int no_tuner; |
| 34 | |
| 35 | /* set if parallel ts output is required */ |
| 36 | int parallel_ts; |
| 37 | |
| 38 | /* set if i2c_gate_ctrl disable is required */ |
| 39 | u8 disable_i2c_gate_ctrl:1; |
| 40 | |
| 41 | /* clock control registers (0x51-0x54) */ |
| 42 | u8 clock_ctl_1; /* default: 0x46 */ |
| 43 | u8 pll_0; /* default: 0x15 */ |
| 44 | }; |
| 45 | |
| 46 | #if IS_REACHABLE(CONFIG_DVB_ZL10353) |
| 47 | extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config, |
| 48 | struct i2c_adapter *i2c); |
| 49 | #else |
| 50 | static inline struct dvb_frontend* zl10353_attach(const struct zl10353_config *config, |
| 51 | struct i2c_adapter *i2c) |
| 52 | { |
| 53 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 54 | return NULL; |
| 55 | } |
| 56 | #endif /* CONFIG_DVB_ZL10353 */ |
| 57 | |
| 58 | #endif /* ZL10353_H */ |