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-rw-r--r--drivers/media/dvb-frontends/lgdt3306a.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lgdt3306a.h b/drivers/media/dvb-frontends/lgdt3306a.h
new file mode 100644
index 000000000000..ed8aa3e7c950
--- /dev/null
+++ b/drivers/media/dvb-frontends/lgdt3306a.h
@@ -0,0 +1,74 @@
+/*
+ * Support for LGDT3306A - 8VSB/QAM-B
+ *
+ * Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com>
+ * based on lgdt3305.[ch] by Michael Krufky
+ *
+ * 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.
+ */
+
+#ifndef _LGDT3306A_H_
+#define _LGDT3306A_H_
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+
+enum lgdt3306a_mpeg_mode {
+ LGDT3306A_MPEG_PARALLEL = 0,
+ LGDT3306A_MPEG_SERIAL = 1,
+};
+
+enum lgdt3306a_tp_clock_edge {
+ LGDT3306A_TPCLK_RISING_EDGE = 0,
+ LGDT3306A_TPCLK_FALLING_EDGE = 1,
+};
+
+enum lgdt3306a_tp_valid_polarity {
+ LGDT3306A_TP_VALID_LOW = 0,
+ LGDT3306A_TP_VALID_HIGH = 1,
+};
+
+struct lgdt3306a_config {
+ u8 i2c_addr;
+
+ /* user defined IF frequency in KHz */
+ u16 qam_if_khz;
+ u16 vsb_if_khz;
+
+ /* 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;
+
+ enum lgdt3306a_mpeg_mode mpeg_mode;
+ enum lgdt3306a_tp_clock_edge tpclk_edge;
+ enum lgdt3306a_tp_valid_polarity tpvalid_polarity;
+
+ /* demod clock freq in MHz; 24 or 25 supported */
+ int xtalMHz;
+};
+
+#if IS_ENABLED(CONFIG_DVB_LGDT3306A)
+struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
+ struct i2c_adapter *i2c_adap);
+#else
+static inline
+struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
+ struct i2c_adapter *i2c_adap)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_LGDT3306A */
+
+#endif /* _LGDT3306A_H_ */

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