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-rw-r--r--drivers/media/dvb-frontends/atbm8830.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/atbm8830.h b/drivers/media/dvb-frontends/atbm8830.h
new file mode 100644
index 000000000..7cb0d982f
--- /dev/null
+++ b/drivers/media/dvb-frontends/atbm8830.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator
+ * ATBM8830, ATBM8831
+ *
+ * Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com>
+ */
+
+#ifndef __ATBM8830_H__
+#define __ATBM8830_H__
+
+#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+
+#define ATBM8830_PROD_8830 0
+#define ATBM8830_PROD_8831 1
+
+struct atbm8830_config {
+
+ /* product type */
+ u8 prod;
+
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* parallel or serial transport stream */
+ u8 serial_ts;
+
+ /* transport stream clock output only when receiving valid stream */
+ u8 ts_clk_gated;
+
+ /* Decoder sample TS data at rising edge of clock */
+ u8 ts_sampling_edge;
+
+ /* Oscillator clock frequency */
+ u32 osc_clk_freq; /* in kHz */
+
+ /* IF frequency */
+ u32 if_freq; /* in kHz */
+
+ /* Swap I/Q for zero IF */
+ u8 zif_swap_iq;
+
+ /* Tuner AGC settings */
+ u8 agc_min;
+ u8 agc_max;
+ u8 agc_hold_loop;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_ATBM8830)
+extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
+ struct i2c_adapter *i2c);
+#else
+static inline
+struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
+ struct i2c_adapter *i2c) {
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_ATBM8830 */
+
+#endif /* __ATBM8830_H__ */