V4L/DVB (6435): tda8290: add support for NXP TDA18271 tuner and TDA8295 analog demod

Add basic support for NXP TDA8295 analog demod and TDA18271 tuner silicon.

TDA8295 + TDA8275a not yet tested.
TDA8290 + TDA18271 not yet supported.

Digital mode of TDA18271 not yet tested & needs more work.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

Documentation/video4linux/CARDLIST.tuner

@@ -73,3 +73,4 @@ tuner=71 - Xceive xc2028/xc3028 tuner
 tuner=72 - Thomson FE6600
 tuner=73 - Samsung TCPG 6121P30A
 tuner=75 - Philips TEA5761 FM Radio
+tuner=76 - tda8295+18271

drivers/media/Kconfig

@@ -105,9 +105,10 @@ config TUNER_MT20XX
 	  Say Y here to include support for the MT2032 / MT2050 tuner.
 
 config TUNER_TDA8290
-	tristate "TDA 8290+8275(a) tuner combo"
+	tristate "TDA 8290/8295 + 8275(a)/18271 tuner combo"
 	depends on I2C
 	select DVB_TDA827X
+	select DVB_TDA18271
 	default m if VIDEO_TUNER_CUSTOMIZE
 	help
 	  Say Y here to include support for Philips TDA8290+8275(a) tuner.

drivers/media/dvb/frontends/Kconfig

@@ -316,6 +316,13 @@ config DVB_TDA827X
 	help
 	  A DVB-T silicon tuner module. Say Y when you want to support this tuner.
 
+config DVB_TDA18271
+	tristate "NXP TDA18271 silicon tuner"
+	depends on I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A silicon tuner module. Say Y when you want to support this tuner.
+
 config DVB_TUNER_QT1010
 	tristate "Quantek QT1010 silicon tuner"
 	depends on DVB_CORE && I2C

drivers/media/dvb/frontends/Makefile

@@ -39,6 +39,7 @@ obj-$(CONFIG_DVB_ISL6421) += isl6421.o
 obj-$(CONFIG_DVB_TDA10086) += tda10086.o
 obj-$(CONFIG_DVB_TDA826X) += tda826x.o
 obj-$(CONFIG_DVB_TDA827X) += tda827x.o
+obj-$(CONFIG_DVB_TDA18271) += tda18271.o
 obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o
 obj-$(CONFIG_DVB_TUNER_MT2266) += mt2266.o
 obj-$(CONFIG_DVB_TUNER_DIB0070) += dib0070.o

drivers/media/dvb/frontends/tda18271.h

+/*
+    tda18271.h - header for the Philips / NXP TDA18271 silicon tuner
+
+    Copyright (C) 2007 Michael Krufky (mkrufky@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 __TDA18271_H__
+#define __TDA18271_H__
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+#if defined(CONFIG_DVB_TDA18271) || (defined(CONFIG_DVB_TDA18271_MODULE) && defined(MODULE))
+extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
+					    struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
+						   u8 addr,
+						   struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	return NULL;
+}
+#endif
+
+#endif /* __TDA18271_H__ */

drivers/media/video/tda8290.h

@@ -24,6 +24,7 @@
 extern int tda8290_probe(struct tuner *t);
 
 extern int tda8290_attach(struct tuner *t);
+extern int tda8295_attach(struct tuner *t);
 #else
 static inline int tda8290_probe(struct tuner *t)
 {
@@ -37,6 +38,13 @@ static inline int tda8290_attach(struct tuner *t)
 	       __FUNCTION__);
 	return -EINVAL;
 }
+
+static inline int tda8295_attach(struct tuner *t)
+{
+	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
+	       __FUNCTION__);
+	return -EINVAL;
+}
 #endif
 
 #endif /* __TDA8290_H__ */

drivers/media/video/tuner-core.c

@@ -278,6 +278,11 @@ static void set_type(struct i2c_client *c, unsigned int type,
 		tda8290_attach(t);
 		break;
 	}
+	case TUNER_PHILIPS_TDA8295:
+	{
+		tda8295_attach(t);
+		break;
+	}
 	case TUNER_TEA5767:
 		if (tea5767_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
 			t->type = TUNER_ABSENT;

drivers/media/video/tuner-types.c

@@ -1475,6 +1475,9 @@ struct tunertype tuners[] = {
 		.name   = "Philips TEA5761 FM Radio",
 		/* see tea5767.c for details */
 	},
+	[TUNER_PHILIPS_TDA8295] = { /* Philips PAL|NTSC */
+		.name   = "tda8295+18271",
+		/* see tda8290.c for details */ },
 };
 
 unsigned const int tuner_count = ARRAY_SIZE(tuners);

drivers/media/video/tveeprom.c

@@ -257,7 +257,7 @@ hauppauge_tuner[] =
 	{ TUNER_ABSENT,        "LG TAPQ_H702F"},
 	{ TUNER_ABSENT,        "TCL M09WPP_4N_E"},
 	{ TUNER_ABSENT,        "MaxLinear MXL5005_v2"},
-	{ TUNER_ABSENT,        "Philips 18271_8295"},
+	{ TUNER_PHILIPS_TDA8295, "Philips 18271_8295"},
 };
 
 static struct HAUPPAUGE_AUDIOIC

include/media/tuner.h

@@ -124,6 +124,8 @@ extern int tuner_debug;
 #define TUNER_TDA9887                   74      /* This tuner should be used only internally */
 #define TUNER_TEA5761			75	/* Only FM Radio Tuner */
 
+#define TUNER_PHILIPS_TDA8295           76
+
 /* tv card specific */
 #define TDA9887_PRESENT 		(1<<0)
 #define TDA9887_PORT1_INACTIVE 		(1<<1)