V4L/DVB (10799): Add support for ST STV6110 silicon tuner.

The tuner is used in NetUP Dual DVB-S2 CI card.
http://linuxtv.org/wiki/index.php/NetUP_Dual_DVB_S2_CISigned-off-by: Igor M. Liplianin <liplianin@netup.ru>
[mchehab@redhat.com: removed a wrong header: "cx23885.h"]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/Kconfig

@@ -83,6 +83,13 @@ config DVB_STV0299
 	help
 	  A DVB-S tuner module. Say Y when you want to support this frontend.
 
+config DVB_STV6110
+	tristate "ST STV6110 silicon tuner"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	  help
+	  A DVB-S silicon tuner module. Say Y when you want to support this tuner.
+
 config DVB_TDA8083
 	tristate "Philips TDA8083 based"
 	depends on DVB_CORE && I2C

drivers/media/dvb/frontends/Makefile

@@ -64,4 +64,5 @@ obj-$(CONFIG_DVB_SI21XX) += si21xx.o
 obj-$(CONFIG_DVB_STV0288) += stv0288.o
 obj-$(CONFIG_DVB_STB6000) += stb6000.o
 obj-$(CONFIG_DVB_S921) += s921.o
+obj-$(CONFIG_DVB_STV6110) += stv6110.o
 

drivers/media/dvb/frontends/stv6110.h

+/*
+ * stv6110.h
+ *
+ * Driver for ST STV6110 satellite tuner IC.
+ *
+ * Copyright (C) 2009 NetUP Inc.
+ * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
+ *
+ * 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 __DVB_STV6110_H__
+#define __DVB_STV6110_H__
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+/* registers */
+#define RSTV6110_CTRL1		0
+#define RSTV6110_CTRL2		1
+#define RSTV6110_TUNING1	2
+#define RSTV6110_TUNING2	3
+#define RSTV6110_CTRL3		4
+#define RSTV6110_STAT1		5
+#define RSTV6110_STAT2		6
+#define RSTV6110_STAT3		7
+
+struct stv6110_config {
+	u8 i2c_address;
+	u32 mclk;
+	int iq_wiring;
+};
+
+#if defined(CONFIG_DVB_STV6110) || (defined(CONFIG_DVB_STV6110_MODULE) \
+							&& defined(MODULE))
+extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
+					const struct stv6110_config *config,
+					struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
+					const struct stv6110_config *config,
+					struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+#endif