Initial import

1 files changed, 75 insertions, 0 deletions

diff --git a/drivers/media/tuners/xc5000.h b/drivers/media/tuners/xc5000.h
new file mode 100644
index 000000000..00ba29e21
--- /dev/null
+++ b/drivers/media/tuners/xc5000.h
@@ -0,0 +1,75 @@
+/*
+ *  Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
+ *
+ *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
+ *
+ *  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/kconfig.h>
+#include <linux/firmware.h>
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+#define XC5000A 1
+#define XC5000C 2
+
+struct xc5000_config {
+	u8   i2c_address;
+	u32  if_khz;
+	u8   radio_input;
+	u16  xtal_khz;
+	u16  output_amp;
+
+	int chip_id;
+};
+
+/* xc5000 callback command */
+#define XC5000_TUNER_RESET		0
+
+/* Possible Radio inputs */
+#define XC5000_RADIO_NOT_CONFIGURED		0
+#define XC5000_RADIO_FM1			1
+#define XC5000_RADIO_FM2			2
+#define XC5000_RADIO_FM1_MONO			3
+
+/* 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 devptr accordingly.
+ * The xc5000 driver cares not for this value, other than ensuring
+ * it's passed back to a bridge during tuner_callback().
+ */
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC5000)
+extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
+					  struct i2c_adapter *i2c,
+					  const struct xc5000_config *cfg);
+#else
+static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
+						 struct i2c_adapter *i2c,
+						 const struct xc5000_config *cfg)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+#endif