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 */ 59