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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
*
* Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
*/
#ifndef __XC5000_H__
#define __XC5000_H__
#include <linux/firmware.h>
struct dvb_frontend;
struct i2c_adapter;
#define XC5000A 1
#define XC5000C 2
struct xc5000_config {
u8 i2c_address;
u32 if_khz;
u8 radio_input;
u16 xtal_khz;
u16 output_amp;
int chip_id;
};
/* xc5000 callback command */
#define XC5000_TUNER_RESET 0
/* Possible Radio inputs */
#define XC5000_RADIO_NOT_CONFIGURED 0
#define XC5000_RADIO_FM1 1
#define XC5000_RADIO_FM2 2
#define XC5000_RADIO_FM1_MONO 3
/* For each bridge framework, when it attaches either analog or digital,
* it has to store a reference back to its _core equivalent structure,
* so that it can service the hardware by steering gpio's etc.
* Each bridge implementation is different so cast devptr accordingly.
* The xc5000 driver cares not for this value, other than ensuring
* it's passed back to a bridge during tuner_callback().
*/
#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC5000)
extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
const struct xc5000_config *cfg);
#else
static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
const struct xc5000_config *cfg)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif
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