V4L/DVB (7569): Added support for SkyStar2 rev2.7 and ITD1000 DVB-S tuner

This patches adds support for the SkyStar2 rev2.7 with the PN1010/ITD1000 Frontend.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/b2c2/Kconfig

@@ -10,6 +10,8 @@ config DVB_B2C2_FLEXCOP
 	select DVB_BCM3510 if !DVB_FE_CUSTOMISE
 	select DVB_LGDT330X if !DVB_FE_CUSTOMISE
 	select TUNER_SIMPLE if !DVB_FE_CUSTOMISE
+	select DVB_S5H1420 if !DVB_FE_CUSTOMISE
+	select DVB_TUNER_ITD1000 if !DVB_FE_CUSTOMISE
 	select DVB_ISL6421 if !DVB_FE_CUSTOMISE
 	select DVB_CX24123 if !DVB_FE_CUSTOMISE
 	help

drivers/media/dvb/b2c2/Makefile

@@ -2,6 +2,7 @@ b2c2-flexcop-objs = flexcop.o flexcop-fe-tuner.o flexcop-i2c.o \
 	flexcop-sram.o flexcop-eeprom.o flexcop-misc.o flexcop-hw-filter.o
 obj-$(CONFIG_DVB_B2C2_FLEXCOP) += b2c2-flexcop.o
 
+
 ifneq ($(CONFIG_DVB_B2C2_FLEXCOP_PCI),)
 b2c2-flexcop-objs += flexcop-dma.o
 endif

drivers/media/dvb/b2c2/flexcop-fe-tuner.c

@@ -19,6 +19,9 @@
 #include "dvb-pll.h"
 #include "tuner-simple.h"
 
+#include "s5h1420.h"
+#include "itd1000.h"
+
 #include "cx24123.h"
 #include "cx24113.h"
 
@@ -482,6 +485,18 @@ static struct stv0297_config alps_tdee4_stv0297_config = {
 };
 
 
+/* SkyStar2 rev2.7 (a/u) */
+static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
+	.demod_address = 0x53,
+	.invert = 1,
+	.repeated_start_workaround = 1,
+};
+
+static struct itd1000_config skystar2_rev2_7_itd1000_config = {
+	.i2c_address = 0x61,
+};
+
+/* SkyStar2 rev2.8 */
 static struct cx24123_config skystar2_rev2_8_cx24123_config = {
 	.demod_address = 0x55,
 	.dont_use_pll = 1,
@@ -500,6 +515,39 @@ int flexcop_frontend_init(struct flexcop_device *fc)
 	struct i2c_adapter *i2c = &fc->fc_i2c_adap[0].i2c_adap;
 	struct i2c_adapter *i2c_tuner;
 
+	/* enable no_base_addr - no repeated start when reading */
+	fc->fc_i2c_adap[0].no_base_addr = 1;
+	fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config, i2c);
+	if (fc->fe != NULL) {
+		flexcop_ibi_value r108;
+		i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
+		ops = &fc->fe->ops;
+
+		fc->fe_sleep = ops->sleep;
+		ops->sleep   = flexcop_sleep;
+
+		fc->dev_type = FC_SKY_REV27;
+
+		/* enable no_base_addr - no repeated start when reading */
+		fc->fc_i2c_adap[2].no_base_addr = 1;
+		if (dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap, 0x08, 1, 1) == NULL)
+			err("ISL6421 could NOT be attached");
+		else
+			info("ISL6421 successfully attached");
+
+		/* the ITD1000 requires a lower i2c clock - it slows down the stuff for everyone - but is it a problem ? */
+		r108.raw = 0x00000506;
+		fc->write_ibi_reg(fc, tw_sm_c_108, r108);
+		if (i2c_tuner) {
+			if (dvb_attach(itd1000_attach, fc->fe, i2c_tuner, &skystar2_rev2_7_itd1000_config) == NULL)
+				err("ITD1000 could NOT be attached");
+			else
+				info("ITD1000 successfully attached");
+		}
+		goto fe_found;
+	}
+	fc->fc_i2c_adap[0].no_base_addr = 0; /* for the next devices we need it again */
+
 	/* try the sky v2.8 (cx24123, isl6421) */
 	fc->fe = dvb_attach(cx24123_attach,
 		&skystar2_rev2_8_cx24123_config, i2c);

drivers/media/dvb/frontends/itd1000.h

+/*
+ *  Driver for the Integrant ITD1000 "Zero-IF Tuner IC for Direct Broadcast Satellite"
+ *
+ *  Copyright (c) 2007 Patrick Boettcher <pb@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 ITD1000_H
+#define ITD1000_H
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct itd1000_config {
+	u8 i2c_address;
+};
+
+#if defined(CONFIG_DVB_TUNER_ITD1000) || (defined(CONFIG_DVB_TUNER_ITD1000_MODULE) && defined(MODULE))
+extern struct dvb_frontend *itd1000_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct itd1000_config *cfg);
+#else
+static inline struct dvb_frontend *itd1000_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct itd1000_config *cfg)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+#endif

drivers/media/dvb/frontends/itd1000_priv.h

+/*
+ *  Driver for the Integrant ITD1000 "Zero-IF Tuner IC for Direct Broadcast Satellite"
+ *
+ *  Copyright (c) 2007 Patrick Boettcher <pb@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 ITD1000_PRIV_H
+#define ITD1000_PRIV_H
+
+struct itd1000_state {
+	struct itd1000_config *cfg;
+	struct i2c_adapter    *i2c;
+
+	u32 frequency; /* contains the value resulting from the LO-setting */
+
+	/* ugly workaround for flexcop's incapable i2c-controller
+	 * FIXME, if possible
+	 */
+	u8 shadow[255];
+};
+
+enum itd1000_register {
+	VCO_CHP1 = 0x65,
+	VCO_CHP2,
+	PLLCON1,
+	PLLNH,
+	PLLNL,
+	PLLFH,
+	PLLFM,
+	PLLFL,
+	RESERVED_0X6D,
+	PLLLOCK,
+	VCO_CHP2_I2C,
+	VCO_CHP1_I2C,
+	BW,
+	RESERVED_0X73 = 0x73,
+	RESERVED_0X74,
+	RESERVED_0X75,
+	GVBB,
+	GVRF,
+	GVBB_I2C,
+	EXTGVBBRF,
+	DIVAGCCK,
+	BBTR,
+	RFTR,
+	BBGVMIN,
+	RESERVED_0X7E,
+	RESERVED_0X85 = 0x85,
+	RESERVED_0X86,
+	CON1,
+	RESERVED_0X88,
+	RESERVED_0X89,
+	RFST0,
+	RFST1,
+	RFST2,
+	RFST3,
+	RFST4,
+	RFST5,
+	RFST6,
+	RFST7,
+	RFST8,
+	RFST9,
+	RESERVED_0X94,
+	RESERVED_0X95,
+	RESERVED_0X96,
+	RESERVED_0X97,
+	RESERVED_0X98,
+	RESERVED_0X99,
+	RESERVED_0X9A,
+	RESERVED_0X9B,
+};
+
+#endif