1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lgdt3305.h b/drivers/media/dvb-frontends/lgdt3305.h
new file mode 100644
index 000000000..3718cf823
--- /dev/null
+++ b/drivers/media/dvb-frontends/lgdt3305.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *    Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
+ *
+ *    Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org>
+ */
+
+#ifndef _LGDT3305_H_
+#define _LGDT3305_H_
+
+#include <linux/i2c.h>
+#include <media/dvb_frontend.h>
+
+
+enum lgdt3305_mpeg_mode {
+	LGDT3305_MPEG_PARALLEL = 0,
+	LGDT3305_MPEG_SERIAL = 1,
+};
+
+enum lgdt3305_tp_clock_edge {
+	LGDT3305_TPCLK_RISING_EDGE = 0,
+	LGDT3305_TPCLK_FALLING_EDGE = 1,
+};
+
+enum lgdt3305_tp_clock_mode {
+	LGDT3305_TPCLK_GATED = 0,
+	LGDT3305_TPCLK_FIXED = 1,
+};
+
+enum lgdt3305_tp_valid_polarity {
+	LGDT3305_TP_VALID_LOW = 0,
+	LGDT3305_TP_VALID_HIGH = 1,
+};
+
+enum lgdt_demod_chip_type {
+	LGDT3305 = 0,
+	LGDT3304 = 1,
+};
+
+struct lgdt3305_config {
+	u8 i2c_addr;
+
+	/* user defined IF frequency in KHz */
+	u16 qam_if_khz;
+	u16 vsb_if_khz;
+
+	/* AGC Power reference - defaults are used if left unset */
+	u16 usref_8vsb;   /* default: 0x32c4 */
+	u16 usref_qam64;  /* default: 0x5400 */
+	u16 usref_qam256; /* default: 0x2a80 */
+
+	/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
+	unsigned int deny_i2c_rptr:1;
+
+	/* spectral inversion - 0:disabled 1:enabled */
+	unsigned int spectral_inversion:1;
+
+	/* use RF AGC loop - 0:disabled 1:enabled */
+	unsigned int rf_agc_loop:1;
+
+	enum lgdt3305_mpeg_mode mpeg_mode;
+	enum lgdt3305_tp_clock_edge tpclk_edge;
+	enum lgdt3305_tp_clock_mode tpclk_mode;
+	enum lgdt3305_tp_valid_polarity tpvalid_polarity;
+	enum lgdt_demod_chip_type demod_chip;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_LGDT3305)
+extern
+struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
+				     struct i2c_adapter *i2c_adap);
+#else
+static inline
+struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
+				     struct i2c_adapter *i2c_adap)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_LGDT3305 */
+
+#endif /* _LGDT3305_H_ */