18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * isl6405.h - driver for dual lnb supply and control ic ISL6405 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2008 Hartmut Hackmann 68c2ecf20Sopenharmony_ci * Copyright (C) 2006 Oliver Endriss 78c2ecf20Sopenharmony_ci * 88c2ecf20Sopenharmony_ci * the project's page is at https://linuxtv.org 98c2ecf20Sopenharmony_ci */ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#ifndef _ISL6405_H 128c2ecf20Sopenharmony_ci#define _ISL6405_H 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci#include <linux/dvb/frontend.h> 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci/* system register bits */ 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci/* this bit selects register (control) 1 or 2 198c2ecf20Sopenharmony_ci note that the bit maps are different */ 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci#define ISL6405_SR 0x80 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci/* SR = 0 */ 248c2ecf20Sopenharmony_ci#define ISL6405_OLF1 0x01 258c2ecf20Sopenharmony_ci#define ISL6405_EN1 0x02 268c2ecf20Sopenharmony_ci#define ISL6405_VSEL1 0x04 278c2ecf20Sopenharmony_ci#define ISL6405_LLC1 0x08 288c2ecf20Sopenharmony_ci#define ISL6405_ENT1 0x10 298c2ecf20Sopenharmony_ci#define ISL6405_ISEL1 0x20 308c2ecf20Sopenharmony_ci#define ISL6405_DCL 0x40 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci/* SR = 1 */ 338c2ecf20Sopenharmony_ci#define ISL6405_OLF2 0x01 348c2ecf20Sopenharmony_ci#define ISL6405_OTF 0x02 358c2ecf20Sopenharmony_ci#define ISL6405_EN2 0x04 368c2ecf20Sopenharmony_ci#define ISL6405_VSEL2 0x08 378c2ecf20Sopenharmony_ci#define ISL6405_LLC2 0x10 388c2ecf20Sopenharmony_ci#define ISL6405_ENT2 0x20 398c2ecf20Sopenharmony_ci#define ISL6405_ISEL2 0x40 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci#if IS_REACHABLE(CONFIG_DVB_ISL6405) 428c2ecf20Sopenharmony_ci/* override_set and override_clear control which system register bits (above) 438c2ecf20Sopenharmony_ci * to always set & clear 448c2ecf20Sopenharmony_ci */ 458c2ecf20Sopenharmony_ciextern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, 468c2ecf20Sopenharmony_ci u8 i2c_addr, u8 override_set, u8 override_clear); 478c2ecf20Sopenharmony_ci#else 488c2ecf20Sopenharmony_cistatic inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, 498c2ecf20Sopenharmony_ci struct i2c_adapter *i2c, u8 i2c_addr, 508c2ecf20Sopenharmony_ci u8 override_set, u8 override_clear) 518c2ecf20Sopenharmony_ci{ 528c2ecf20Sopenharmony_ci printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 538c2ecf20Sopenharmony_ci return NULL; 548c2ecf20Sopenharmony_ci} 558c2ecf20Sopenharmony_ci#endif /* CONFIG_DVB_ISL6405 */ 568c2ecf20Sopenharmony_ci 578c2ecf20Sopenharmony_ci#endif 58