| /* 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 0x80 |
| |
| /* SR = 0 */ |
| #define ISL6405_OLF1 0x01 |
| #define ISL6405_EN1 0x02 |
| #define ISL6405_VSEL1 0x04 |
| #define ISL6405_LLC1 0x08 |
| #define ISL6405_ENT1 0x10 |
| #define ISL6405_ISEL1 0x20 |
| #define ISL6405_DCL 0x40 |
| |
| /* SR = 1 */ |
| #define ISL6405_OLF2 0x01 |
| #define ISL6405_OTF 0x02 |
| #define ISL6405_EN2 0x04 |
| #define ISL6405_VSEL2 0x08 |
| #define ISL6405_LLC2 0x10 |
| #define ISL6405_ENT2 0x20 |
| #define ISL6405_ISEL2 0x40 |
| |
| #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 |
