aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/tuners/e4000.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/tuners/e4000.h')
-rw-r--r--drivers/media/tuners/e4000.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/media/tuners/e4000.h b/drivers/media/tuners/e4000.h
new file mode 100644
index 00000000000..71b1935eb3d
--- /dev/null
+++ b/drivers/media/tuners/e4000.h
@@ -0,0 +1,52 @@
+/*
+ * Elonics E4000 silicon tuner driver
+ *
+ * Copyright (C) 2012 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 E4000_H
+#define E4000_H
+
+#include "dvb_frontend.h"
+
+struct e4000_config {
+ /*
+ * I2C address
+ * 0x64, 0x65, 0x66, 0x67
+ */
+ u8 i2c_addr;
+
+ /*
+ * clock
+ */
+ u32 clock;
+};
+
+#if defined(CONFIG_MEDIA_TUNER_E4000) || \
+ (defined(CONFIG_MEDIA_TUNER_E4000_MODULE) && defined(MODULE))
+extern struct dvb_frontend *e4000_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c, const struct e4000_config *cfg);
+#else
+static inline struct dvb_frontend *e4000_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c, const struct e4000_config *cfg)
+{
+ pr_warn("%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif