/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* isl6405 . h - driver for dual lnb supply and control ic ISL6405
*
* Copyright ( C ) 2008 Hartmut Hackmann
* Copyright ( C ) 2006 Oliver Endriss
*
* the project ' s page is at https : //linuxtv.org
*/
#ifndef _ISL6405_H
#define _ISL6405_H
#include <linux/dvb/frontend.h>
/* system register bits */
/* this bit selects register (control) 1 or 2
note that the bit maps are different */
#define ISL6405_SR 0 x80
/* SR = 0 */
#define ISL6405_OLF1 0 x01
#define ISL6405_EN1 0 x02
#define ISL6405_VSEL1 0 x04
#define ISL6405_LLC1 0 x08
#define ISL6405_ENT1 0 x10
#define ISL6405_ISEL1 0 x20
#define ISL6405_DCL 0 x40
/* SR = 1 */
#define ISL6405_OLF2 0 x01
#define ISL6405_OTF 0 x02
#define ISL6405_EN2 0 x04
#define ISL6405_VSEL2 0 x08
#define ISL6405_LLC2 0 x10
#define ISL6405_ENT2 0 x20
#define ISL6405_ISEL2 0 x40
#if IS_REACHABLE(CONFIG_DVB_ISL6405)
/* override_set and override_clear control which system register bits (above)
* to always set & clear
*/
extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
u8 i2c_addr, u8 override_set, u8 override_clear);
#else
static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 i2c_addr,
u8 override_set, u8 override_clear)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__);
return NULL;
}
#endif /* CONFIG_DVB_ISL6405 */
#endif
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