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