1 /* 2 * Support for LG2160 - ATSC/MH 3 * 4 * Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org> 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 * GNU General Public License for more details. 15 * 16 */ 17 18 #ifndef _LG2160_H_ 19 #define _LG2160_H_ 20 21 #include <linux/i2c.h> 22 #include "dvb_frontend.h" 23 24 enum lg_chip_type { 25 LG2160 = 0, 26 LG2161 = 1, 27 }; 28 29 #define LG2161_1019 LG2161 30 #define LG2161_1040 LG2161 31 32 enum lg2160_spi_clock { 33 LG2160_SPI_3_125_MHZ = 0, 34 LG2160_SPI_6_25_MHZ = 1, 35 LG2160_SPI_12_5_MHZ = 2, 36 }; 37 38 #if 0 39 enum lg2161_oif { 40 LG2161_OIF_EBI2_SLA = 1, 41 LG2161_OIF_SDIO_SLA = 2, 42 LG2161_OIF_SPI_SLA = 3, 43 LG2161_OIF_SPI_MAS = 4, 44 LG2161_OIF_SERIAL_TS = 7, 45 }; 46 #endif 47 48 struct lg2160_config { 49 u8 i2c_addr; 50 51 /* user defined IF frequency in KHz */ 52 u16 if_khz; 53 54 /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ 55 unsigned int deny_i2c_rptr:1; 56 57 /* spectral inversion - 0:disabled 1:enabled */ 58 unsigned int spectral_inversion:1; 59 60 unsigned int output_if; 61 enum lg2160_spi_clock spi_clock; 62 enum lg_chip_type lg_chip; 63 }; 64 65 #if IS_REACHABLE(CONFIG_DVB_LG2160) 66 extern 67 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 68 struct i2c_adapter *i2c_adap); 69 #else 70 static inline 71 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 72 struct i2c_adapter *i2c_adap) 73 { 74 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 75 return NULL; 76 } 77 #endif /* CONFIG_DVB_LG2160 */ 78 79 #endif /* _LG2160_H_ */ 80