1 /* 2 * Driver for Xceive XC5000 "QAM/8VSB single chip tuner" 3 * 4 * Copyright (c) 2007 Steven Toth <stoth@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 * 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22 #ifndef __XC5000_H__ 23 #define __XC5000_H__ 24 25 #include <linux/kconfig.h> 26 #include <linux/firmware.h> 27 28 struct dvb_frontend; 29 struct i2c_adapter; 30 31 #define XC5000A 1 32 #define XC5000C 2 33 34 struct xc5000_config { 35 u8 i2c_address; 36 u32 if_khz; 37 u8 radio_input; 38 u16 xtal_khz; 39 40 int chip_id; 41 }; 42 43 /* xc5000 callback command */ 44 #define XC5000_TUNER_RESET 0 45 46 /* Possible Radio inputs */ 47 #define XC5000_RADIO_NOT_CONFIGURED 0 48 #define XC5000_RADIO_FM1 1 49 #define XC5000_RADIO_FM2 2 50 #define XC5000_RADIO_FM1_MONO 3 51 52 /* For each bridge framework, when it attaches either analog or digital, 53 * it has to store a reference back to its _core equivalent structure, 54 * so that it can service the hardware by steering gpio's etc. 55 * Each bridge implementation is different so cast devptr accordingly. 56 * The xc5000 driver cares not for this value, other than ensuring 57 * it's passed back to a bridge during tuner_callback(). 58 */ 59 60 #if IS_ENABLED(CONFIG_MEDIA_TUNER_XC5000) 61 extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, 62 struct i2c_adapter *i2c, 63 const struct xc5000_config *cfg); 64 #else 65 static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, 66 struct i2c_adapter *i2c, 67 const struct xc5000_config *cfg) 68 { 69 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 70 return NULL; 71 } 72 #endif 73 74 #endif 75