Initial import

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/isl6421.h b/drivers/media/dvb-frontends/isl6421.h
new file mode 100644
index 000000000..327359783
--- /dev/null
+++ b/drivers/media/dvb-frontends/isl6421.h
@@ -0,0 +1,55 @@
+/*
+ * isl6421.h - driver for lnb supply and control ic ISL6421
+ *
+ * Copyright (C) 2006 Andrew de Quincey
+ * Copyright (C) 2006 Oliver Endriss
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ *
+ * the project's page is at http://www.linuxtv.org
+ */
+
+#ifndef _ISL6421_H
+#define _ISL6421_H
+
+#include <linux/dvb/frontend.h>
+
+/* system register bits */
+#define ISL6421_OLF1	0x01
+#define ISL6421_EN1	0x02
+#define ISL6421_VSEL1	0x04
+#define ISL6421_LLC1	0x08
+#define ISL6421_ENT1	0x10
+#define ISL6421_ISEL1	0x20
+#define ISL6421_DCL	0x40
+
+#if IS_REACHABLE(CONFIG_DVB_ISL6421)
+/* override_set and override_clear control which system register bits (above) to always set & clear */
+extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
+			  u8 override_set, u8 override_clear, bool override_tone);
+#else
+static inline struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
+						  u8 override_set, u8 override_clear, bool override_tone)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif // CONFIG_DVB_ISL6421
+
+#endif