1*c942fddfSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2d8667cbbSMac Michaels /* 31963c907SMichael Krufky * Support for LGDT3302 and LGDT3303 - VSB/QAM 4d8667cbbSMac Michaels * 5d8667cbbSMac Michaels * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net> 6d8667cbbSMac Michaels */ 7d8667cbbSMac Michaels 86ddcc919SMichael Krufky #ifndef LGDT330X_H 96ddcc919SMichael Krufky #define LGDT330X_H 10d8667cbbSMac Michaels 11d8667cbbSMac Michaels #include <linux/dvb/frontend.h> 12d8667cbbSMac Michaels 131963c907SMichael Krufky typedef enum lg_chip_t { 141963c907SMichael Krufky UNDEFINED, 151963c907SMichael Krufky LGDT3302, 161963c907SMichael Krufky LGDT3303 171963c907SMichael Krufky }lg_chip_type; 181963c907SMichael Krufky 197129d314SMauro Carvalho Chehab /** 207129d314SMauro Carvalho Chehab * struct lgdt330x_config - contains lgdt330x configuration 217129d314SMauro Carvalho Chehab * 227129d314SMauro Carvalho Chehab * @demod_chip: LG demodulator chip LGDT3302 or LGDT3303 237129d314SMauro Carvalho Chehab * @serial_mpeg: MPEG hardware interface - 0:parallel 1:serial 247129d314SMauro Carvalho Chehab * @pll_rf_set: Callback function to set PLL interface 257129d314SMauro Carvalho Chehab * @set_ts_params: Callback function to set device param for start_dma 267129d314SMauro Carvalho Chehab * @clock_polarity_flip: 277129d314SMauro Carvalho Chehab * Flip the polarity of the mpeg data transfer clock using alternate 287129d314SMauro Carvalho Chehab * init data. 297129d314SMauro Carvalho Chehab * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled 3023ba635dSMauro Carvalho Chehab * @get_dvb_frontend: 3123ba635dSMauro Carvalho Chehab * returns the frontend associated with this I2C client. 3223ba635dSMauro Carvalho Chehab * Filled by the driver. 337129d314SMauro Carvalho Chehab */ 346ddcc919SMichael Krufky struct lgdt330x_config 35d8667cbbSMac Michaels { 361963c907SMichael Krufky lg_chip_type demod_chip; 371963c907SMichael Krufky int serial_mpeg; 380ccef6dbSMichael Krufky int (*pll_rf_set) (struct dvb_frontend* fe, int index); 39d8667cbbSMac Michaels int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); 40c0b11b91SMichael Krufky int clock_polarity_flip; 4123ba635dSMauro Carvalho Chehab 4223ba635dSMauro Carvalho Chehab struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); 43d8667cbbSMac Michaels }; 44d8667cbbSMac Michaels 459b174527SArnd Bergmann #if IS_REACHABLE(CONFIG_DVB_LGDT330X) 4623ba635dSMauro Carvalho Chehab struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config, 4723ba635dSMauro Carvalho Chehab u8 demod_address, 48d8667cbbSMac Michaels struct i2c_adapter *i2c); 49102a342bSAndrew de Quincey #else 502a5f2705SHans Verkuil static inline 5123ba635dSMauro Carvalho Chehab struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config, 5223ba635dSMauro Carvalho Chehab u8 demod_address, 53102a342bSAndrew de Quincey struct i2c_adapter *i2c) 54102a342bSAndrew de Quincey { 55271ddbf7SHarvey Harrison printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 56102a342bSAndrew de Quincey return NULL; 57102a342bSAndrew de Quincey } 58102a342bSAndrew de Quincey #endif // CONFIG_DVB_LGDT330X 59d8667cbbSMac Michaels 606ddcc919SMichael Krufky #endif /* LGDT330X_H */ 61