1 files changed, 97 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/rtl2830.h b/drivers/media/dvb-frontends/rtl2830.h
new file mode 100644
index 000000000000..1c6ee91749c2
--- /dev/null
+++ b/drivers/media/dvb-frontends/rtl2830.h
@@ -0,0 +1,97 @@
+/*
+ * Realtek RTL2830 DVB-T demodulator driver
+ *
+ * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
+ *
+ *    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.,
+ *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef RTL2830_H
+#define RTL2830_H
+
+#include <linux/dvb/frontend.h>
+
+struct rtl2830_config {
+        /*
+         * Demodulator I2C address.
+         */
+        u8 i2c_addr;
+
+        /*
+         * Xtal frequency.
+         * Hz
+         * 4000000, 16000000, 25000000, 28800000
+         */
+        u32 xtal;
+
+        /*
+         * TS output mode.
+         */
+        u8 ts_mode;
+
+        /*
+         * Spectrum inversion.
+         */
+        bool spec_inv;
+
+        /*
+         * IFs for all used modes.
+         * Hz
+         * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000
+         */
+        u32 if_dvbt;
+
+        /*
+         */
+        u8 vtop;
+
+        /*
+         */
+        u8 krf;
+
+        /*
+         */
+        u8 agc_targ_val;
+};
+
+#if defined(CONFIG_DVB_RTL2830) || \
+        (defined(CONFIG_DVB_RTL2830_MODULE) && defined(MODULE))
+extern struct dvb_frontend *rtl2830_attach(
+        const struct rtl2830_config *config,
+        struct i2c_adapter *i2c
+);
+
+extern struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
+        struct dvb_frontend *fe
+);
+#else
+static inline struct dvb_frontend *rtl2830_attach(
+        const struct rtl2830_config *config,
+        struct i2c_adapter *i2c
+)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+
+static inline struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
+        struct dvb_frontend *fe
+)
+{
+        return NULL;
+}
+#endif
+
+#endif /* RTL2830_H */