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Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832.h')
-rw-r--r--drivers/media/dvb-frontends/rtl2832.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.h b/drivers/media/dvb-frontends/rtl2832.h
new file mode 100644
index 00000000000..cb3b6b0775b
--- /dev/null
+++ b/drivers/media/dvb-frontends/rtl2832.h
@@ -0,0 +1,95 @@
+/*
+ * Realtek RTL2832 DVB-T demodulator driver
+ *
+ * Copyright (C) 2012 Thomas Mair <thomas.mair86@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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef RTL2832_H
+#define RTL2832_H
+
+#include <linux/kconfig.h>
+#include <linux/dvb/frontend.h>
+
+struct rtl2832_config {
+ /*
+ * Demodulator I2C address.
+ */
+ u8 i2c_addr;
+
+ /*
+ * Xtal frequency.
+ * Hz
+ * 4000000, 16000000, 25000000, 28800000
+ */
+ u32 xtal;
+
+ /*
+ * tuner
+ * XXX: This must be keep sync with dvb_usb_rtl28xxu demod driver.
+ */
+#define RTL2832_TUNER_TUA9001 0x24
+#define RTL2832_TUNER_FC0012 0x26
+#define RTL2832_TUNER_E4000 0x27
+#define RTL2832_TUNER_FC0013 0x29
+#define RTL2832_TUNER_R820T 0x2a
+#define RTL2832_TUNER_R828D 0x2b
+ u8 tuner;
+};
+
+#if IS_ENABLED(CONFIG_DVB_RTL2832)
+struct dvb_frontend *rtl2832_attach(
+ const struct rtl2832_config *cfg,
+ struct i2c_adapter *i2c
+);
+
+extern struct i2c_adapter *rtl2832_get_i2c_adapter(
+ struct dvb_frontend *fe
+);
+
+extern struct i2c_adapter *rtl2832_get_private_i2c_adapter(
+ struct dvb_frontend *fe
+);
+
+#else
+
+static inline struct dvb_frontend *rtl2832_attach(
+ const struct rtl2832_config *config,
+ struct i2c_adapter *i2c
+)
+{
+ pr_warn("%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+
+static inline struct i2c_adapter *rtl2832_get_i2c_adapter(
+ struct dvb_frontend *fe
+)
+{
+ return NULL;
+}
+
+static inline struct i2c_adapter *rtl2832_get_private_i2c_adapter(
+ struct dvb_frontend *fe
+)
+{
+ return NULL;
+}
+
+#endif
+
+
+#endif /* RTL2832_H */