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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/media/tuners/r820t.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/tuners/r820t.h')
-rw-r--r--drivers/media/tuners/r820t.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/media/tuners/r820t.h b/drivers/media/tuners/r820t.h
new file mode 100644
index 0000000000..6709a0da99
--- /dev/null
+++ b/drivers/media/tuners/r820t.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Elonics R820T silicon tuner driver
+ *
+ * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
+ */
+
+#ifndef R820T_H
+#define R820T_H
+
+#include <media/dvb_frontend.h>
+
+enum r820t_chip {
+ CHIP_R820T,
+ CHIP_R620D,
+ CHIP_R828D,
+ CHIP_R828,
+ CHIP_R828S,
+ CHIP_R820C,
+};
+
+struct r820t_config {
+ u8 i2c_addr; /* 0x34 */
+ u32 xtal;
+ enum r820t_chip rafael_chip;
+ unsigned max_i2c_msg_len;
+ bool use_diplexer;
+ bool use_predetect;
+};
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_R820T)
+struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ const struct r820t_config *cfg);
+#else
+static inline struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ const struct r820t_config *cfg)
+{
+ pr_warn("%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif