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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"4 *5 * Copyright (c) 2006 Olivier DANET <odanet@caramail.com>6 */7 8#ifndef MT2060_H9#define MT2060_H10 11struct dvb_frontend;12struct i2c_adapter;13 14/*15 * I2C address16 * 0x60, ...17 */18 19/**20 * struct mt2060_platform_data - Platform data for the mt2060 driver21 * @clock_out: Clock output setting. 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1.22 * @if1: First IF used [MHz]. 0 defaults to 1220.23 * @i2c_write_max: Maximum number of bytes I2C adapter can write at once.24 * 0 defaults to maximum.25 * @dvb_frontend: DVB frontend.26 */27 28struct mt2060_platform_data {29 u8 clock_out;30 u16 if1;31 unsigned int i2c_write_max:5;32 struct dvb_frontend *dvb_frontend;33};34 35 36/* configuration struct for mt2060_attach() */37struct mt2060_config {38 u8 i2c_address;39 u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */40};41 42#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2060)43extern struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1);44#else45static inline struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1)46{47 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);48 return NULL;49}50#endif // CONFIG_MEDIA_TUNER_MT206051 52#endif53