projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| c942fddf | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 47d65372 AP |
2 | /* |
| 3 | * ZyDAS ZD1301 driver (demodulator) | |
| 4 | * | |
| 5 | * Copyright (C) 2015 Antti Palosaari <crope@iki.fi> | |
| 47d65372 AP |
6 | */ |
| 7 | ||
| 8 | #ifndef ZD1301_DEMOD_H | |
| 9 | #define ZD1301_DEMOD_H | |
| 10 | ||
| 11 | #include <linux/platform_device.h> | |
| 12 | #include <linux/dvb/frontend.h> | |
| fada1935 | 13 | #include <media/dvb_frontend.h> |
| 47d65372 AP |
14 | |
| 15 | /** | |
| 16 | * struct zd1301_demod_platform_data - Platform data for the zd1301_demod driver | |
| 17 | * @reg_priv: First argument of reg_read and reg_write callbacks. | |
| 18 | * @reg_read: Register read callback. | |
| 19 | * @reg_write: Register write callback. | |
| 20 | */ | |
| 47d65372 AP |
21 | struct zd1301_demod_platform_data { |
| 22 | void *reg_priv; | |
| 23 | int (*reg_read)(void *, u16, u8 *); | |
| 24 | int (*reg_write)(void *, u16, u8); | |
| 25 | }; | |
| 26 | ||
| 0d1270df | 27 | #if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD) |
| 47d65372 AP |
28 | /** |
| 29 | * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend | |
| 30 | * @pdev: Pointer to platform device | |
| 31 | * | |
| 32 | * Return: Pointer to DVB frontend which given platform device owns. | |
| 33 | */ | |
| b95b0c98 | 34 | struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *pdev); |
| 47d65372 AP |
35 | |
| 36 | /** | |
| 37 | * zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter | |
| 38 | * @pdev: Pointer to platform device | |
| 39 | * | |
| 40 | * Return: Pointer to I2C adapter which given platform device owns. | |
| 41 | */ | |
| b95b0c98 | 42 | struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *pdev); |
| 47d65372 | 43 | |
| 0d1270df AB |
44 | #else |
| 45 | ||
| be9b53c8 MCC |
46 | /** |
| 47 | * zd1301_demod_get_dvb_frontend() - Attach a zd1301 frontend | |
| 48 | * @dev: Pointer to platform device | |
| 49 | * | |
| 50 | * Return: Pointer to %struct dvb_frontend or NULL if attach fails. | |
| 51 | */ | |
| 0d1270df AB |
52 | static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev) |
| 53 | { | |
| 54 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 55 | ||
| 56 | return NULL; | |
| 57 | } | |
| 58 | static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev) | |
| 59 | { | |
| 60 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 61 | ||
| 62 | return NULL; | |
| 63 | } | |
| 64 | ||
| 65 | #endif | |
| 66 | ||
| 47d65372 | 67 | #endif /* ZD1301_DEMOD_H */ |