[media] ITE IT913X silicon tuner driver

It is tuner driver for tuner integrated to the ITE IT9135 and
IT9137 chips. I split it out from the current it913x-fe driver.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/tuners/Kconfig

@@ -241,4 +241,11 @@ config MEDIA_TUNER_TUA9001
 	default m if !MEDIA_SUBDRV_AUTOSELECT
 	help
 	  Infineon TUA 9001 silicon tuner driver.
+
+config MEDIA_TUNER_IT913X
+	tristate "ITE Tech IT913x silicon tuner"
+	depends on MEDIA_SUPPORT && I2C
+	default m if !MEDIA_SUBDRV_AUTOSELECT
+	help
+	  ITE Tech IT913x silicon tuner driver.
 endmenu

drivers/media/tuners/Makefile

@@ -34,6 +34,7 @@ obj-$(CONFIG_MEDIA_TUNER_TUA9001) += tua9001.o
 obj-$(CONFIG_MEDIA_TUNER_FC0011) += fc0011.o
 obj-$(CONFIG_MEDIA_TUNER_FC0012) += fc0012.o
 obj-$(CONFIG_MEDIA_TUNER_FC0013) += fc0013.o
+obj-$(CONFIG_MEDIA_TUNER_IT913X) += it913x.o
 
 ccflags-y += -I$(srctree)/drivers/media/dvb-core
 ccflags-y += -I$(srctree)/drivers/media/dvb-frontends

drivers/media/tuners/it913x.h

+/*
+ * ITE Tech IT9137 silicon tuner driver
+ *
+ *  Copyright (C) 2011 Malcolm Priestley (tvboxspy@gmail.com)
+ *  IT9137 Copyright (C) ITE Tech Inc.
+ *
+ *  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 IT913X_H
+#define IT913X_H
+
+#include "dvb_frontend.h"
+
+struct ite_config {
+	u8 chip_ver;
+	u16 chip_type;
+	u32 firmware;
+	u8 firmware_ver;
+	u8 adc_x2;
+	u8 tuner_id_0;
+	u8 tuner_id_1;
+	u8 dual_mode;
+	u8 adf;
+	/* option to read SIGNAL_LEVEL */
+	u8 read_slevel;
+};
+
+#if defined(CONFIG_MEDIA_TUNER_IT913X) || \
+	(defined(CONFIG_MEDIA_TUNER_IT913X_MODULE) && defined(MODULE))
+extern struct dvb_frontend *it913x_attach(struct dvb_frontend *fe,
+	struct i2c_adapter *i2c_adap, u8 i2c_addr, struct ite_config *config);
+#else
+static inline struct dvb_frontend *it913x_attach(struct dvb_frontend *fe,
+	struct i2c_adapter *i2c_adap, u8 i2c_addr, struct ite_config *config)
+{
+	pr_warn("%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+#endif