[media] Elonics E4000 silicon tuner driver

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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 000000000000..71b1935eb3d2
--- /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