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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/isl6421.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/isl6421.h')
-rw-r--r--drivers/media/dvb-frontends/isl6421.h38
1 files changed, 38 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..e59487784
--- /dev/null
+++ b/drivers/media/dvb-frontends/isl6421.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * isl6421.h - driver for lnb supply and control ic ISL6421
+ *
+ * Copyright (C) 2006 Andrew de Quincey
+ * Copyright (C) 2006 Oliver Endriss
+ *
+ * the project's page is at https://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