| Antti Palosaari | f926374 | 2012-03-30 06:37:26 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Infineon TUA 9001 silicon tuner driver |
| 3 | * |
| 4 | * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> |
| 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 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef TUA9001_H |
| 22 | #define TUA9001_H |
| 23 | |
| Mauro Carvalho Chehab | 9dc353c | 2013-03-21 16:24:09 -0300 | [diff] [blame] | 24 | #include <linux/kconfig.h> |
| Antti Palosaari | f926374 | 2012-03-30 06:37:26 -0300 | [diff] [blame] | 25 | #include "dvb_frontend.h" |
| 26 | |
| 27 | struct tua9001_config { |
| 28 | /* |
| 29 | * I2C address |
| 30 | */ |
| 31 | u8 i2c_addr; |
| 32 | }; |
| 33 | |
| Antti Palosaari | 89054e3 | 2012-09-11 22:27:07 -0300 | [diff] [blame] | 34 | /* |
| 35 | * TUA9001 I/O PINs: |
| 36 | * |
| 37 | * CEN - chip enable |
| 38 | * 0 = chip disabled (chip off) |
| 39 | * 1 = chip enabled (chip on) |
| 40 | * |
| 41 | * RESETN - chip reset |
| 42 | * 0 = reset disabled (chip reset off) |
| 43 | * 1 = reset enabled (chip reset on) |
| 44 | * |
| 45 | * RXEN - RX enable |
| 46 | * 0 = RX disabled (chip idle) |
| 47 | * 1 = RX enabled (chip tuned) |
| 48 | */ |
| 49 | |
| 50 | #define TUA9001_CMD_CEN 0 |
| 51 | #define TUA9001_CMD_RESETN 1 |
| 52 | #define TUA9001_CMD_RXEN 2 |
| 53 | |
| Mauro Carvalho Chehab | 9dc353c | 2013-03-21 16:24:09 -0300 | [diff] [blame] | 54 | #if IS_ENABLED(CONFIG_MEDIA_TUNER_TUA9001) |
| Antti Palosaari | f926374 | 2012-03-30 06:37:26 -0300 | [diff] [blame] | 55 | extern struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe, |
| 56 | struct i2c_adapter *i2c, struct tua9001_config *cfg); |
| 57 | #else |
| 58 | static inline struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe, |
| 59 | struct i2c_adapter *i2c, struct tua9001_config *cfg) |
| 60 | { |
| 61 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 62 | return NULL; |
| 63 | } |
| 64 | #endif |
| 65 | |
| 66 | #endif |