V4L/DVB (6884): Add support for the Xceive xc5000 silicon tuner

This is an all formats tuner, QAM, ATSC, DVB-T and others.
Only ATSC and QAM have been tested.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/frontends/Kconfig

@@ -360,6 +360,15 @@ config DVB_TUNER_DIB0070
 	  This device is only used inside a SiP called togther with a
 	  demodulator for now.
 
+config DVB_TUNER_XC5000
+	tristate "Xceive XC5000 silicon tuner"
+	depends on I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A driver for the silicon tuner XC5000 from Xceive.
+	  This device is only used inside a SiP called togther with a
+	  demodulator for now.
+
 comment "Miscellaneous devices"
 	depends on DVB_CORE
 

drivers/media/dvb/frontends/Makefile

@@ -50,3 +50,4 @@ obj-$(CONFIG_DVB_TUNER_QT1010) += qt1010.o
 obj-$(CONFIG_DVB_TUA6100) += tua6100.o
 obj-$(CONFIG_DVB_TUNER_MT2131) += mt2131.o
 obj-$(CONFIG_DVB_S5H1409) += s5h1409.o
+obj-$(CONFIG_DVB_TUNER_XC5000) += xc5000.o

drivers/media/dvb/frontends/xc5000.h

+/*
+ *  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_frequency;
+	int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
+	int (*tuner_reset)(struct dvb_frontend* fe);
+};
+
+#if defined(CONFIG_DVB_TUNER_XC5000) || defined(CONFIG_DVB_TUNER_XC5000_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", __FUNCTION__);
+	return NULL;
+}
+#endif // CONFIG_DVB_TUNER_XC5000
+
+#endif // __XC5000_H__

drivers/media/dvb/frontends/xc5000_priv.h

+/*
+ *  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_PRIV_H
+#define XC5000_PRIV_H
+
+struct xc5000_priv {
+	struct xc5000_config *cfg;
+	struct i2c_adapter   *i2c;
+
+	u32 frequency;
+	u32 bandwidth;
+	u8  video_standard;
+	u8  rf_mode;
+
+	u8  fwloaded;
+};
+
+#endif