Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for Xceive XC5000 "QAM/8VSB single chip tuner" |
| 3 | * |
Steven Toth | 6d89761 | 2008-09-03 17:12:12 -0300 | [diff] [blame^] | 4 | * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> |
Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 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/firmware.h> |
| 26 | |
| 27 | struct dvb_frontend; |
| 28 | struct i2c_adapter; |
| 29 | |
| 30 | struct xc5000_config { |
Steven Toth | 27c685a | 2008-01-05 16:50:14 -0300 | [diff] [blame] | 31 | u8 i2c_address; |
| 32 | u32 if_khz; |
Steven Toth | 73c993a | 2008-01-05 17:08:05 -0300 | [diff] [blame] | 33 | |
Steven Toth | 73c993a | 2008-01-05 17:08:05 -0300 | [diff] [blame] | 34 | int (*tuner_callback) (void *priv, int command, int arg); |
Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 35 | }; |
| 36 | |
Steven Toth | 27c685a | 2008-01-05 16:50:14 -0300 | [diff] [blame] | 37 | /* xc5000 callback command */ |
| 38 | #define XC5000_TUNER_RESET 0 |
| 39 | |
Michael Krufky | 4872354 | 2008-05-10 14:34:09 -0300 | [diff] [blame] | 40 | /* For each bridge framework, when it attaches either analog or digital, |
| 41 | * it has to store a reference back to its _core equivalent structure, |
| 42 | * so that it can service the hardware by steering gpio's etc. |
| 43 | * Each bridge implementation is different so cast devptr accordingly. |
| 44 | * The xc5000 driver cares not for this value, other than ensuring |
| 45 | * it's passed back to a bridge during tuner_callback(). |
| 46 | */ |
| 47 | |
Mauro Carvalho Chehab | 149ef72 | 2008-04-29 21:38:46 -0300 | [diff] [blame] | 48 | #if defined(CONFIG_MEDIA_TUNER_XC5000) || \ |
| 49 | (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE)) |
Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 50 | extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe, |
| 51 | struct i2c_adapter *i2c, |
Michael Krufky | 4872354 | 2008-05-10 14:34:09 -0300 | [diff] [blame] | 52 | struct xc5000_config *cfg, |
| 53 | void *devptr); |
Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 54 | #else |
| 55 | static inline struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe, |
| 56 | struct i2c_adapter *i2c, |
Michael Krufky | 4872354 | 2008-05-10 14:34:09 -0300 | [diff] [blame] | 57 | struct xc5000_config *cfg, |
| 58 | void *devptr) |
Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 59 | { |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 60 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 61 | return NULL; |
| 62 | } |
Mauro Carvalho Chehab | 149ef72 | 2008-04-29 21:38:46 -0300 | [diff] [blame] | 63 | #endif // CONFIG_MEDIA_TUNER_XC5000 |
Steven Toth | aacb9d3 | 2007-12-18 01:55:51 -0300 | [diff] [blame] | 64 | |
| 65 | #endif // __XC5000_H__ |