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 13struct dvb_frontend; 14struct i2c_adapter; 15 16#define XC5000A 1 17#define XC5000C 2 18 19struct 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) 47extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, 48 struct i2c_adapter *i2c, 49 const struct xc5000_config *cfg); 50#else 51static 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