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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Conexant CX24120/CX24118 - DVB-S/S2 demod/tuner driver4 *5 * Copyright (C) 2008 Patrick Boettcher <pb@linuxtv.org>6 * Copyright (C) 2009 Sergey Tyurin <forum.free-x.de>7 * Updated 2012 by Jannis Achstetter <jannis_achstetter@web.de>8 * Copyright (C) 2015 Jemma Denson <jdenson@gmail.com>9 */10 11#ifndef CX24120_H12#define CX24120_H13 14#include <linux/dvb/frontend.h>15#include <linux/firmware.h>16 17struct cx24120_initial_mpeg_config {18 u8 x1;19 u8 x2;20 u8 x3;21};22 23struct cx24120_config {24 u8 i2c_addr;25 u32 xtal_khz;26 struct cx24120_initial_mpeg_config initial_mpeg_config;27 28 int (*request_firmware)(struct dvb_frontend *fe,29 const struct firmware **fw, char *name);30 31 /* max bytes I2C provider can write at once */32 u16 i2c_wr_max;33};34 35#if IS_REACHABLE(CONFIG_DVB_CX24120)36struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,37 struct i2c_adapter *i2c);38#else39static inline40struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,41 struct i2c_adapter *i2c)42{43 pr_warn("%s: driver disabled by Kconfig\n", __func__);44 return NULL;45}46#endif47 48#endif /* CX24120_H */49