diff options
Diffstat (limited to 'drivers/media/dvb-frontends/isl6405.h')
| -rw-r--r-- | drivers/media/dvb-frontends/isl6405.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/isl6405.h b/drivers/media/dvb-frontends/isl6405.h new file mode 100644 index 000000000..c1cb131d2 --- /dev/null +++ b/drivers/media/dvb-frontends/isl6405.h @@ -0,0 +1,57 @@ +/* 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 |