| Antti Palosaari | 47d6537 | 2015-07-23 18:43:06 -0300 | [diff] [blame] | 1 | /* |
| 2 | * ZyDAS ZD1301 driver (demodulator) |
| 3 | * |
| 4 | * Copyright (C) 2015 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 | |
| 17 | #ifndef ZD1301_DEMOD_H |
| 18 | #define ZD1301_DEMOD_H |
| 19 | |
| 20 | #include <linux/platform_device.h> |
| 21 | #include <linux/dvb/frontend.h> |
| 22 | #include "dvb_frontend.h" |
| 23 | |
| 24 | /** |
| 25 | * struct zd1301_demod_platform_data - Platform data for the zd1301_demod driver |
| 26 | * @reg_priv: First argument of reg_read and reg_write callbacks. |
| 27 | * @reg_read: Register read callback. |
| 28 | * @reg_write: Register write callback. |
| 29 | */ |
| 30 | |
| 31 | struct zd1301_demod_platform_data { |
| 32 | void *reg_priv; |
| 33 | int (*reg_read)(void *, u16, u8 *); |
| 34 | int (*reg_write)(void *, u16, u8); |
| 35 | }; |
| 36 | |
| Arnd Bergmann | 0d1270d | 2017-02-07 11:01:41 -0200 | [diff] [blame] | 37 | #if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD) |
| Antti Palosaari | 47d6537 | 2015-07-23 18:43:06 -0300 | [diff] [blame] | 38 | /** |
| 39 | * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend |
| 40 | * @pdev: Pointer to platform device |
| 41 | * |
| 42 | * Return: Pointer to DVB frontend which given platform device owns. |
| 43 | */ |
| 44 | |
| 45 | struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *); |
| 46 | |
| 47 | /** |
| 48 | * zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter |
| 49 | * @pdev: Pointer to platform device |
| 50 | * |
| 51 | * Return: Pointer to I2C adapter which given platform device owns. |
| 52 | */ |
| 53 | |
| 54 | struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *); |
| 55 | |
| Arnd Bergmann | 0d1270d | 2017-02-07 11:01:41 -0200 | [diff] [blame] | 56 | #else |
| 57 | |
| 58 | static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev) |
| 59 | { |
| 60 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 61 | |
| 62 | return NULL; |
| 63 | } |
| 64 | static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev) |
| 65 | { |
| 66 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 67 | |
| 68 | return NULL; |
| 69 | } |
| 70 | |
| 71 | #endif |
| 72 | |
| Antti Palosaari | 47d6537 | 2015-07-23 18:43:06 -0300 | [diff] [blame] | 73 | #endif /* ZD1301_DEMOD_H */ |