diff options
Diffstat (limited to 'drivers/media/dvb/frontends/isl6423.h')
| -rw-r--r-- | drivers/media/dvb/frontends/isl6423.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/isl6423.h b/drivers/media/dvb/frontends/isl6423.h new file mode 100644 index 00000000000..e1a37fba01c --- /dev/null +++ b/drivers/media/dvb/frontends/isl6423.h @@ -0,0 +1,63 @@ +/* + Intersil ISL6423 SEC and LNB Power supply controller + + Copyright (C) Manu Abraham <abraham.manu@gmail.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef __ISL_6423_H +#define __ISL_6423_H + +#include <linux/dvb/frontend.h> + +enum isl6423_current { + SEC_CURRENT_275m = 0, + SEC_CURRENT_515m, + SEC_CURRENT_635m, + SEC_CURRENT_800m, +}; + +enum isl6423_curlim { + SEC_CURRENT_LIM_ON = 1, + SEC_CURRENT_LIM_OFF +}; + +struct isl6423_config { + enum isl6423_current current_max; + enum isl6423_curlim curlim; + u8 addr; + u8 mod_extern; +}; + +#if defined(CONFIG_DVB_ISL6423) || (defined(CONFIG_DVB_ISL6423_MODULE) && defined(MODULE)) + + +extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + const struct isl6423_config *config); + +#else +static inline struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + const struct isl6423_config *config) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} + +#endif /* CONFIG_DVB_ISL6423 */ + +#endif /* __ISL_6423_H */ |