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-rw-r--r--drivers/media/dvb-frontends/isl6405.h57
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 0000000000..c1cb131d24
--- /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