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/kconfig.h> 26 #include <linux/i2c.h> 27 #include "dvb_frontend.h" 28 29 enum lg_chip_type { 30 LG2160 = 0, 31 LG2161 = 1, 32 }; 33 34 #define LG2161_1019 LG2161 35 #define LG2161_1040 LG2161 36 37 enum lg2160_spi_clock { 38 LG2160_SPI_3_125_MHZ = 0, 39 LG2160_SPI_6_25_MHZ = 1, 40 LG2160_SPI_12_5_MHZ = 2, 41 }; 42 43 #if 0 44 enum lg2161_oif { 45 LG2161_OIF_EBI2_SLA = 1, 46 LG2161_OIF_SDIO_SLA = 2, 47 LG2161_OIF_SPI_SLA = 3, 48 LG2161_OIF_SPI_MAS = 4, 49 LG2161_OIF_SERIAL_TS = 7, 50 }; 51 #endif 52 53 struct lg2160_config { 54 u8 i2c_addr; 55 56 /* user defined IF frequency in KHz */ 57 u16 if_khz; 58 59 /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ 60 unsigned int deny_i2c_rptr:1; 61 62 /* spectral inversion - 0:disabled 1:enabled */ 63 unsigned int spectral_inversion:1; 64 65 unsigned int output_if; 66 enum lg2160_spi_clock spi_clock; 67 enum lg_chip_type lg_chip; 68 }; 69 70 #if IS_REACHABLE(CONFIG_DVB_LG2160) 71 extern 72 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 73 struct i2c_adapter *i2c_adap); 74 #else 75 static inline 76 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 77 struct i2c_adapter *i2c_adap) 78 { 79 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 80 return NULL; 81 } 82 #endif /* CONFIG_DVB_LG2160 */ 83 84 #endif /* _LG2160_H_ */ 85