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-rw-r--r--drivers/media/dvb-frontends/atbm8830.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/atbm8830.h b/drivers/media/dvb-frontends/atbm8830.h
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+++ b/drivers/media/dvb-frontends/atbm8830.h
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+/*
+ * Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator
+ * ATBM8830, ATBM8831
+ *
+ * Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#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 defined(CONFIG_DVB_ATBM8830) || \
+ (defined(CONFIG_DVB_ATBM8830_MODULE) && defined(MODULE))
+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__ */