David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | cx24110 - Single Chip Satellite Channel Receiver driver module |
| 4 | |
| 5 | Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on |
| 6 | work |
| 7 | Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> |
| 8 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 9 | |
| 10 | */ |
| 11 | |
| 12 | #ifndef CX24110_H |
| 13 | #define CX24110_H |
| 14 | |
| 15 | #include <linux/dvb/frontend.h> |
| 16 | |
| 17 | struct cx24110_config |
| 18 | { |
| 19 | /* the demodulator's i2c address */ |
| 20 | u8 demod_address; |
| 21 | }; |
| 22 | |
| 23 | static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) |
| 24 | { |
| 25 | u8 buf[] = { |
| 26 | (u8)((val >> 24) & 0xff), |
| 27 | (u8)((val >> 16) & 0xff), |
| 28 | (u8)((val >> 8) & 0xff) |
| 29 | }; |
| 30 | |
| 31 | if (fe->ops.write) |
| 32 | return fe->ops.write(fe, buf, 3); |
| 33 | return 0; |
| 34 | } |
| 35 | |
| 36 | #if IS_REACHABLE(CONFIG_DVB_CX24110) |
| 37 | extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, |
| 38 | struct i2c_adapter* i2c); |
| 39 | #else |
| 40 | static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, |
| 41 | struct i2c_adapter* i2c) |
| 42 | { |
| 43 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 44 | return NULL; |
| 45 | } |
| 46 | #endif // CONFIG_DVB_CX24110 |
| 47 | |
| 48 | #endif // CX24110_H |