Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / tuners / tua9001.h

diff --git a/kernel/drivers/media/tuners/tua9001.h b/kernel/drivers/media/tuners/tua9001.h
new file mode 100644 (file)
index 0000000..2c3375c
--- /dev/null
+++ b/kernel/drivers/media/tuners/tua9001.h
@@ -0,0 +1,66 @@
+/*
+ * Infineon TUA 9001 silicon tuner driver
+ *
+ * Copyright (C) 2009 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 TUA9001_H
+#define TUA9001_H
+
+#include <linux/kconfig.h>
+#include "dvb_frontend.h"
+
+struct tua9001_config {
+       /*
+        * I2C address
+        */
+       u8 i2c_addr;
+};
+
+/*
+ * TUA9001 I/O PINs:
+ *
+ * CEN - chip enable
+ * 0 = chip disabled (chip off)
+ * 1 = chip enabled (chip on)
+ *
+ * RESETN - chip reset
+ * 0 = reset disabled (chip reset off)
+ * 1 = reset enabled (chip reset on)
+ *
+ * RXEN - RX enable
+ * 0 = RX disabled (chip idle)
+ * 1 = RX enabled (chip tuned)
+ */
+
+#define TUA9001_CMD_CEN     0
+#define TUA9001_CMD_RESETN  1
+#define TUA9001_CMD_RXEN    2
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TUA9001)
+extern struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe,
+               struct i2c_adapter *i2c, struct tua9001_config *cfg);
+#else
+static inline struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe,
+               struct i2c_adapter *i2c, struct tua9001_config *cfg)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+       return NULL;
+}
+#endif
+
+#endif