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Diffstat (limited to 'drivers/media/common/tuners/xc5000.h')
-rw-r--r--drivers/media/common/tuners/xc5000.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h
new file mode 100644
index 00000000000..0ee80f9d19b
--- /dev/null
+++ b/drivers/media/common/tuners/xc5000.h
@@ -0,0 +1,63 @@
+/*
+ * Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
+ *
+ * Copyright (c) 2007 Steven Toth <stoth@hauppauge.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __XC5000_H__
+#define __XC5000_H__
+
+#include <linux/firmware.h>
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct xc5000_config {
+ u8 i2c_address;
+ u32 if_khz;
+
+ /* For each bridge framework, when it attaches either analog or digital,
+ * it has to store a reference back to its _core equivalent structure,
+ * so that it can service the hardware by steering gpio's etc.
+ * Each bridge implementation is different so cast priv accordingly.
+ * The xc5000 driver cares not for this value, other than ensuring
+ * it's passed back to a bridge during tuner_callback().
+ */
+ void *priv;
+ int (*tuner_callback) (void *priv, int command, int arg);
+};
+
+/* xc5000 callback command */
+#define XC5000_TUNER_RESET 0
+
+#if defined(CONFIG_MEDIA_TUNER_XC5000) || \
+ (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE))
+extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct xc5000_config *cfg);
+#else
+static inline struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct xc5000_config *cfg)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_MEDIA_TUNER_XC5000
+
+#endif // __XC5000_H__