1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Support for LG2160 - ATSC/MH 4 * 5 * Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org> 6 */ 7 8 #ifndef _LG2160_H_ 9 #define _LG2160_H_ 10 11 #include <linux/i2c.h> 12 #include <media/dvb_frontend.h> 13 14 enum lg_chip_type { 15 LG2160 = 0, 16 LG2161 = 1, 17 }; 18 19 #define LG2161_1019 LG2161 20 #define LG2161_1040 LG2161 21 22 enum lg2160_spi_clock { 23 LG2160_SPI_3_125_MHZ = 0, 24 LG2160_SPI_6_25_MHZ = 1, 25 LG2160_SPI_12_5_MHZ = 2, 26 }; 27 28 #if 0 29 enum lg2161_oif { 30 LG2161_OIF_EBI2_SLA = 1, 31 LG2161_OIF_SDIO_SLA = 2, 32 LG2161_OIF_SPI_SLA = 3, 33 LG2161_OIF_SPI_MAS = 4, 34 LG2161_OIF_SERIAL_TS = 7, 35 }; 36 #endif 37 38 struct lg2160_config { 39 u8 i2c_addr; 40 41 /* user defined IF frequency in KHz */ 42 u16 if_khz; 43 44 /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ 45 unsigned int deny_i2c_rptr:1; 46 47 /* spectral inversion - 0:disabled 1:enabled */ 48 unsigned int spectral_inversion:1; 49 50 unsigned int output_if; 51 enum lg2160_spi_clock spi_clock; 52 enum lg_chip_type lg_chip; 53 }; 54 55 #if IS_REACHABLE(CONFIG_DVB_LG2160) 56 extern 57 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 58 struct i2c_adapter *i2c_adap); 59 #else 60 static inline 61 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config, 62 struct i2c_adapter *i2c_adap) 63 { 64 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 65 return NULL; 66 } 67 #endif /* CONFIG_DVB_LG2160 */ 68 69 #endif /* _LG2160_H_ */ 70