Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / dvb-frontends / isl6423.h

diff --git a/kernel/drivers/media/dvb-frontends/isl6423.h b/kernel/drivers/media/dvb-frontends/isl6423.h
new file mode 100644 (file)
index 0000000..a64df0e
--- /dev/null
+++ b/kernel/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 IS_REACHABLE(CONFIG_DVB_ISL6423)
+
+
+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 */