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Diffstat (limited to 'drivers/media/tuners/tua9001.h')
-rw-r--r--drivers/media/tuners/tua9001.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/media/tuners/tua9001.h b/drivers/media/tuners/tua9001.h
new file mode 100644
index 000000000000..cf5b815feff9
--- /dev/null
+++ b/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 "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 defined(CONFIG_MEDIA_TUNER_TUA9001) || \
+ (defined(CONFIG_MEDIA_TUNER_TUA9001_MODULE) && defined(MODULE))
+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