[media] Realtek RTL2830 DVB-T demodulator driver
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/rtl2830.h b/drivers/media/dvb/frontends/rtl2830.h
new file mode 100644
index 0000000..1c6ee91
--- /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 */