| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Conexant CX24120/CX24118 - DVB-S/S2 demod/tuner driver |
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| 4 | * |
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| 5 | * Copyright (C) 2008 Patrick Boettcher <pb@linuxtv.org> |
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| 6 | * Copyright (C) 2009 Sergey Tyurin <forum.free-x.de> |
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| 7 | * Updated 2012 by Jannis Achstetter <jannis_achstetter@web.de> |
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| 8 | * Copyright (C) 2015 Jemma Denson <jdenson@gmail.com> |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef CX24120_H |
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| 12 | #define CX24120_H |
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| 13 | |
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| 14 | #include <linux/dvb/frontend.h> |
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| 15 | #include <linux/firmware.h> |
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| 16 | |
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| 17 | struct cx24120_initial_mpeg_config { |
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| 18 | u8 x1; |
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| 19 | u8 x2; |
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| 20 | u8 x3; |
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| 21 | }; |
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| 22 | |
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| 23 | struct cx24120_config { |
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| 24 | u8 i2c_addr; |
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| 25 | u32 xtal_khz; |
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| 26 | struct cx24120_initial_mpeg_config initial_mpeg_config; |
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| 27 | |
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| 28 | int (*request_firmware)(struct dvb_frontend *fe, |
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| 29 | const struct firmware **fw, char *name); |
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| 30 | |
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| 31 | /* max bytes I2C provider can write at once */ |
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| 32 | u16 i2c_wr_max; |
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| 33 | }; |
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| 34 | |
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| 35 | #if IS_REACHABLE(CONFIG_DVB_CX24120) |
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| 36 | struct dvb_frontend *cx24120_attach(const struct cx24120_config *config, |
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| 37 | struct i2c_adapter *i2c); |
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| 38 | #else |
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| 39 | static inline |
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| 40 | struct dvb_frontend *cx24120_attach(const struct cx24120_config *config, |
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| 41 | struct i2c_adapter *i2c) |
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| 42 | { |
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| 43 | pr_warn("%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 |
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| 47 | |
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| 48 | #endif /* CX24120_H */ |
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| 49 | |
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