1a0c7056fSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */
29a0bf528SMauro Carvalho Chehab /*
39a0bf528SMauro Carvalho Chehab * lnbp21.h - driver for lnb supply and control ic lnbp21
49a0bf528SMauro Carvalho Chehab *
59a0bf528SMauro Carvalho Chehab * Copyright (C) 2006 Oliver Endriss
69a0bf528SMauro Carvalho Chehab *
7991ce92fSMauro Carvalho Chehab * the project's page is at https://linuxtv.org
89a0bf528SMauro Carvalho Chehab */
99a0bf528SMauro Carvalho Chehab
109a0bf528SMauro Carvalho Chehab #ifndef _LNBP21_H
119a0bf528SMauro Carvalho Chehab #define _LNBP21_H
129a0bf528SMauro Carvalho Chehab
139a0bf528SMauro Carvalho Chehab /* system register bits */
149a0bf528SMauro Carvalho Chehab /* [RO] 0=OK; 1=over current limit flag */
159a0bf528SMauro Carvalho Chehab #define LNBP21_OLF 0x01
169a0bf528SMauro Carvalho Chehab /* [RO] 0=OK; 1=over temperature flag (150 C) */
179a0bf528SMauro Carvalho Chehab #define LNBP21_OTF 0x02
189a0bf528SMauro Carvalho Chehab /* [RW] 0=disable LNB power, enable loopthrough
199a0bf528SMauro Carvalho Chehab 1=enable LNB power, disable loopthrough */
209a0bf528SMauro Carvalho Chehab #define LNBP21_EN 0x04
219a0bf528SMauro Carvalho Chehab /* [RW] 0=low voltage (13/14V, vert pol)
229a0bf528SMauro Carvalho Chehab 1=high voltage (18/19V,horiz pol) */
239a0bf528SMauro Carvalho Chehab #define LNBP21_VSEL 0x08
249a0bf528SMauro Carvalho Chehab /* [RW] increase LNB voltage by 1V:
259a0bf528SMauro Carvalho Chehab 0=13/18V; 1=14/19V */
269a0bf528SMauro Carvalho Chehab #define LNBP21_LLC 0x10
279a0bf528SMauro Carvalho Chehab /* [RW] 0=tone controlled by DSQIN pin
289a0bf528SMauro Carvalho Chehab 1=tone enable, disable DSQIN */
299a0bf528SMauro Carvalho Chehab #define LNBP21_TEN 0x20
309a0bf528SMauro Carvalho Chehab /* [RW] current limit select:
319a0bf528SMauro Carvalho Chehab 0:Iout=500-650mA Isc=300mA
329a0bf528SMauro Carvalho Chehab 1:Iout=400-550mA Isc=200mA */
339a0bf528SMauro Carvalho Chehab #define LNBP21_ISEL 0x40
349a0bf528SMauro Carvalho Chehab /* [RW] short-circuit protect:
359a0bf528SMauro Carvalho Chehab 0=pulsed (dynamic) curr limiting
369a0bf528SMauro Carvalho Chehab 1=static curr limiting */
379a0bf528SMauro Carvalho Chehab #define LNBP21_PCL 0x80
389a0bf528SMauro Carvalho Chehab
399a0bf528SMauro Carvalho Chehab #include <linux/dvb/frontend.h>
409a0bf528SMauro Carvalho Chehab
419b174527SArnd Bergmann #if IS_REACHABLE(CONFIG_DVB_LNBP21)
429a0bf528SMauro Carvalho Chehab /* override_set and override_clear control which
439a0bf528SMauro Carvalho Chehab system register bits (above) to always set & clear */
449a0bf528SMauro Carvalho Chehab extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
459a0bf528SMauro Carvalho Chehab struct i2c_adapter *i2c, u8 override_set,
469a0bf528SMauro Carvalho Chehab u8 override_clear);
479a0bf528SMauro Carvalho Chehab #else
lnbp21_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,u8 override_set,u8 override_clear)489a0bf528SMauro Carvalho Chehab static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
499a0bf528SMauro Carvalho Chehab struct i2c_adapter *i2c, u8 override_set,
509a0bf528SMauro Carvalho Chehab u8 override_clear)
519a0bf528SMauro Carvalho Chehab {
529a0bf528SMauro Carvalho Chehab printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
539a0bf528SMauro Carvalho Chehab return NULL;
549a0bf528SMauro Carvalho Chehab }
559a0bf528SMauro Carvalho Chehab #endif
569a0bf528SMauro Carvalho Chehab
579a0bf528SMauro Carvalho Chehab #endif
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