| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | cx24110 - Single Chip Satellite Channel Receiver driver module |
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| 4 | |
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| 5 | Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on |
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| 6 | work |
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| 7 | Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> |
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| 8 | |
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| 9 | |
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| 10 | */ |
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| 11 | |
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| 12 | #ifndef CX24110_H |
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| 13 | #define CX24110_H |
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| 14 | |
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| 15 | #include <linux/dvb/frontend.h> |
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| 16 | |
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| 17 | struct cx24110_config |
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| 18 | { |
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| 19 | /* the demodulator's i2c address */ |
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| 20 | u8 demod_address; |
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| 21 | }; |
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| 22 | |
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| 23 | static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) |
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| 24 | { |
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| 25 | u8 buf[] = { |
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| 26 | (u8)((val >> 24) & 0xff), |
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| 27 | (u8)((val >> 16) & 0xff), |
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| 28 | (u8)((val >> 8) & 0xff) |
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| 29 | }; |
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| 30 | |
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| 31 | if (fe->ops.write) |
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| 32 | return fe->ops.write(fe, buf, 3); |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | #if IS_REACHABLE(CONFIG_DVB_CX24110) |
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| 37 | extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, |
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| 38 | struct i2c_adapter* i2c); |
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| 39 | #else |
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| 40 | static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, |
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| 41 | struct i2c_adapter* i2c) |
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| 42 | { |
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| 43 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
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| 44 | return NULL; |
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| 45 | } |
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| 46 | #endif // CONFIG_DVB_CX24110 |
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| 47 | |
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| 48 | #endif // CX24110_H |
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| 49 | |
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