1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Driver for Xceive XC5000 "QAM/8VSB single chip tuner" 4 * 5 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> 6 */ 7 8 #ifndef __XC5000_H__ 9 #define __XC5000_H__ 10 11 #include <linux/firmware.h> 12 13 struct dvb_frontend; 14 struct i2c_adapter; 15 16 #define XC5000A 1 17 #define XC5000C 2 18 19 struct xc5000_config { 20 u8 i2c_address; 21 u32 if_khz; 22 u8 radio_input; 23 u16 xtal_khz; 24 u16 output_amp; 25 26 int chip_id; 27 }; 28 29 /* xc5000 callback command */ 30 #define XC5000_TUNER_RESET 0 31 32 /* Possible Radio inputs */ 33 #define XC5000_RADIO_NOT_CONFIGURED 0 34 #define XC5000_RADIO_FM1 1 35 #define XC5000_RADIO_FM2 2 36 #define XC5000_RADIO_FM1_MONO 3 37 38 /* For each bridge framework, when it attaches either analog or digital, 39 * it has to store a reference back to its _core equivalent structure, 40 * so that it can service the hardware by steering gpio's etc. 41 * Each bridge implementation is different so cast devptr accordingly. 42 * The xc5000 driver cares not for this value, other than ensuring 43 * it's passed back to a bridge during tuner_callback(). 44 */ 45 46 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC5000) 47 extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, 48 struct i2c_adapter *i2c, 49 const struct xc5000_config *cfg); 50 #else 51 static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, 52 struct i2c_adapter *i2c, 53 const struct xc5000_config *cfg) 54 { 55 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 56 return NULL; 57 } 58 #endif 59 60 #endif 61