projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 47d65372 AP |
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 | */ | |
| 47d65372 AP |
30 | struct zd1301_demod_platform_data { |
| 31 | void *reg_priv; | |
| 32 | int (*reg_read)(void *, u16, u8 *); | |
| 33 | int (*reg_write)(void *, u16, u8); | |
| 34 | }; | |
| 35 | ||
| 0d1270df | 36 | #if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD) |
| 47d65372 AP |
37 | /** |
| 38 | * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend | |
| 39 | * @pdev: Pointer to platform device | |
| 40 | * | |
| 41 | * Return: Pointer to DVB frontend which given platform device owns. | |
| 42 | */ | |
| b95b0c98 | 43 | struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *pdev); |
| 47d65372 AP |
44 | |
| 45 | /** | |
| 46 | * zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter | |
| 47 | * @pdev: Pointer to platform device | |
| 48 | * | |
| 49 | * Return: Pointer to I2C adapter which given platform device owns. | |
| 50 | */ | |
| b95b0c98 | 51 | struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *pdev); |
| 47d65372 | 52 | |
| 0d1270df AB |
53 | #else |
| 54 | ||
| be9b53c8 MCC |
55 | /** |
| 56 | * zd1301_demod_get_dvb_frontend() - Attach a zd1301 frontend | |
| 57 | * @dev: Pointer to platform device | |
| 58 | * | |
| 59 | * Return: Pointer to %struct dvb_frontend or NULL if attach fails. | |
| 60 | */ | |
| 0d1270df AB |
61 | static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev) |
| 62 | { | |
| 63 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 64 | ||
| 65 | return NULL; | |
| 66 | } | |
| 67 | static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev) | |
| 68 | { | |
| 69 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 70 | ||
| 71 | return NULL; | |
| 72 | } | |
| 73 | ||
| 74 | #endif | |
| 75 | ||
| 47d65372 | 76 | #endif /* ZD1301_DEMOD_H */ |