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Diffstat (limited to 'drivers/media/dvb-frontends/lnbh25.h')
-rw-r--r--drivers/media/dvb-frontends/lnbh25.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lnbh25.h b/drivers/media/dvb-frontends/lnbh25.h
new file mode 100644
index 000000000000..69f30e21f6b3
--- /dev/null
+++ b/drivers/media/dvb-frontends/lnbh25.h
@@ -0,0 +1,56 @@
+/*
+ * lnbh25.c
+ *
+ * Driver for LNB supply and control IC LNBH25
+ *
+ * Copyright (C) 2014 NetUP Inc.
+ * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
+ * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
+ *
+ * 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.
+ */
+
+#ifndef LNBH25_H
+#define LNBH25_H
+
+#include <linux/i2c.h>
+#include <linux/kconfig.h>
+#include <linux/dvb/frontend.h>
+
+/* 22 kHz tone enabled. Tone output controlled by DSQIN pin */
+#define LNBH25_TEN 0x01
+/* Low power mode activated (used only with 22 kHz tone output disabled) */
+#define LNBH25_LPM 0x02
+/* DSQIN input pin is set to receive external 22 kHz TTL signal source */
+#define LNBH25_EXTM 0x04
+
+struct lnbh25_config {
+ u8 i2c_address;
+ u8 data2_config;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_LNBH25)
+struct dvb_frontend *lnbh25_attach(
+ struct dvb_frontend *fe,
+ struct lnbh25_config *cfg,
+ struct i2c_adapter *i2c);
+#else
+static inline dvb_frontend *lnbh25_attach(
+ struct dvb_frontend *fe,
+ struct lnbh25_config *cfg,
+ struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif