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 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 * 20 */ 21 22 #ifndef _LG2160_H_ 23 #define _LG2160_H_ 24 25 #include <linux/i2c.h> 26 #include "dvb_frontend.h" 27 28 enum lg_chip_type { 29 LG2160 = 0, 30 LG2161 = 1, 31 }; 32 33 #define LG2161_1019 LG2161 34 #define LG2161_1040 LG2161 35 36 enum lg2160_spi_clock { 37 LG2160_SPI_3_125_MHZ = 0, 38 LG2160_SPI_6_25_MHZ = 1, 39 LG2160_SPI_12_5_MHZ = 2, 40 }; 41 42 #if 0 43 enum lg2161_oif { 44 LG2161_OIF_EBI2_SLA = 1, 45 LG2161_OIF_SDIO_SLA = 2, 46 LG2161_OIF_SPI_SLA = 3, 47 LG2161_OIF_SPI_MAS = 4, 48 LG2161_OIF_SERIAL_TS = 7, 49 }; 50 #endif 51 52 struct lg2160_config { 53 u8 i2c_addr; 54 55 /* user defined IF frequency in KHz */ 56 u16 if_khz; 57 58 /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ 59 unsigned int deny_i2c_rptr:1; 60 61 /* spectral inversion - 0:disabled 1:enabled */ 62 unsigned int spectral_inversion:1; 63 64 unsigned int output_if; 65 enum lg2160_spi_clock spi_clock; 66 enum lg_chip_type lg_chip; 67 }; 68 69 #if IS_REACHABLE(CONFIG_DVB_LG2160) 70 extern 71 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 72 struct i2c_adapter *i2c_adap); 73 #else 74 static inline 75 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 76 struct i2c_adapter *i2c_adap) 77 { 78 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 79 return NULL; 80 } 81 #endif /* CONFIG_DVB_LG2160 */ 82 83 #endif /* _LG2160_H_ */ 84