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 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.= 20 */ 21 22 #ifndef ZL10353_H 23 #define ZL10353_H 24 25 #include <linux/dvb/frontend.h> 26 27 struct zl10353_config 28 { 29 /* demodulator's I2C address */ 30 u8 demod_address; 31 32 /* frequencies in units of 0.1kHz */ 33 int adc_clock; /* default: 450560 (45.056 MHz) */ 34 int if2; /* default: 361667 (36.1667 MHz) */ 35 36 /* set if no pll is connected to the secondary i2c bus */ 37 int no_tuner; 38 39 /* set if parallel ts output is required */ 40 int parallel_ts; 41 42 /* set if i2c_gate_ctrl disable is required */ 43 u8 disable_i2c_gate_ctrl:1; 44 45 /* clock control registers (0x51-0x54) */ 46 u8 clock_ctl_1; /* default: 0x46 */ 47 u8 pll_0; /* default: 0x15 */ 48 }; 49 50 #if IS_ENABLED(CONFIG_DVB_ZL10353) 51 extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config, 52 struct i2c_adapter *i2c); 53 #else 54 static inline struct dvb_frontend* zl10353_attach(const struct zl10353_config *config, 55 struct i2c_adapter *i2c) 56 { 57 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 58 return NULL; 59 } 60 #endif /* CONFIG_DVB_ZL10353 */ 61 62 #endif /* ZL10353_H */ 63