Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 000000000..6709a0da9
--- /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