X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Ftuner-core.c;h=c4dab6cfd9487dd2dd5c6c841eb7a852dff2b49f;hb=c519a5a7dab2d8e9a114f003e2d369bcf8e913f3;hp=8ee0be261076d7a51cf68a45a603315727954d34;hpb=4adad287de82703fd504fdab7aebe760196bb786;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 8ee0be2..c4dab6c 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -15,39 +15,128 @@
 #include <linux/i2c.h>
 #include <linux/types.h>
 #include <linux/init.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
 #include <media/tuner.h>
 #include <media/tuner-types.h>
-#include <media/v4l2-common.h>
-#include "tuner-driver.h"
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-i2c-drv.h>
 #include "mt20xx.h"
 #include "tda8290.h"
 #include "tea5761.h"
 #include "tea5767.h"
+#include "tuner-xc2028.h"
 #include "tuner-simple.h"
+#include "tda9887.h"
+#include "xc5000.h"
+#include "tda18271.h"
 
 #define UNSET (-1U)
 
-/* standard i2c insmod options */
-static unsigned short normal_i2c[] = {
-#ifdef CONFIG_TUNER_TEA5761
-	0x10,
+#define PREFIX t->i2c->driver->driver.name
+
+/** This macro allows us to probe dynamically, avoiding static links */
+#ifdef CONFIG_MEDIA_ATTACH
+#define tuner_symbol_probe(FUNCTION, ARGS...) ({ \
+	int __r = -EINVAL; \
+	typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
+	if (__a) { \
+		__r = (int) __a(ARGS); \
+		symbol_put(FUNCTION); \
+	} else { \
+		printk(KERN_ERR "TUNER: Unable to find " \
+				"symbol "#FUNCTION"()\n"); \
+	} \
+	__r; \
+})
+
+static void tuner_detach(struct dvb_frontend *fe)
+{
+	if (fe->ops.tuner_ops.release) {
+		fe->ops.tuner_ops.release(fe);
+		symbol_put_addr(fe->ops.tuner_ops.release);
+	}
+	if (fe->ops.analog_ops.release) {
+		fe->ops.analog_ops.release(fe);
+		symbol_put_addr(fe->ops.analog_ops.release);
+	}
+}
+#else
+#define tuner_symbol_probe(FUNCTION, ARGS...) ({ \
+	FUNCTION(ARGS); \
+})
+
+static void tuner_detach(struct dvb_frontend *fe)
+{
+	if (fe->ops.tuner_ops.release)
+		fe->ops.tuner_ops.release(fe);
+	if (fe->ops.analog_ops.release)
+		fe->ops.analog_ops.release(fe);
+}
 #endif
-	0x42, 0x43, 0x4a, 0x4b,			/* tda8290 */
-	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
-	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
-	I2C_CLIENT_END
+
+struct tuner {
+	/* device */
+	struct dvb_frontend fe;
+	struct i2c_client   *i2c;
+	struct v4l2_subdev  sd;
+	struct list_head    list;
+	unsigned int        using_v4l2:1;
+
+	/* keep track of the current settings */
+	v4l2_std_id         std;
+	unsigned int        tv_freq;
+	unsigned int        radio_freq;
+	unsigned int        audmode;
+
+	unsigned int        mode;
+	unsigned int        mode_mask; /* Combination of allowable modes */
+
+	unsigned int        type; /* chip type id */
+	unsigned int        config;
+	const char          *name;
 };
 
-I2C_CLIENT_INSMOD;
+static inline struct tuner *to_tuner(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct tuner, sd);
+}
+
 
 /* insmod options used at init time => read/only */
-static unsigned int addr = 0;
-static unsigned int no_autodetect = 0;
-static unsigned int show_i2c = 0;
+static unsigned int addr;
+static unsigned int no_autodetect;
+static unsigned int show_i2c;
 
 /* insmod options used at runtime => read/write */
-int tuner_debug = 0;
+static int tuner_debug;
+
+#define tuner_warn(fmt, arg...) do {			\
+	printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \
+	       i2c_adapter_id(t->i2c->adapter),		\
+	       t->i2c->addr, ##arg);			\
+	 } while (0)
+
+#define tuner_info(fmt, arg...) do {			\
+	printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX,	\
+	       i2c_adapter_id(t->i2c->adapter),		\
+	       t->i2c->addr, ##arg);			\
+	 } while (0)
+
+#define tuner_err(fmt, arg...) do {			\
+	printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX,	\
+	       i2c_adapter_id(t->i2c->adapter),		\
+	       t->i2c->addr, ##arg);			\
+	 } while (0)
+
+#define tuner_dbg(fmt, arg...) do {				\
+	if (tuner_debug)					\
+		printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX,	\
+		       i2c_adapter_id(t->i2c->adapter),		\
+		       t->i2c->addr, ##arg);			\
+	 } while (0)
+
+/* ------------------------------------------------------------------------ */
 
 static unsigned int tv_range[2] = { 44, 958 };
 static unsigned int radio_range[2] = { 65, 108 };
@@ -71,55 +160,79 @@ MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
 MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
 MODULE_LICENSE("GPL");
 
-static struct i2c_driver driver;
-static struct i2c_client client_template;
-
 /* ---------------------------------------------------------------------- */
 
-static void fe_set_freq(struct tuner *t, unsigned int freq)
+static void fe_set_params(struct dvb_frontend *fe,
+			  struct analog_parameters *params)
 {
-	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
-
-	struct analog_parameters params = {
-		.frequency = freq,
-		.mode      = t->mode,
-		.audmode   = t->audmode,
-		.std       = t->std
-	};
+	struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
+	struct tuner *t = fe->analog_demod_priv;
 
 	if (NULL == fe_tuner_ops->set_analog_params) {
 		tuner_warn("Tuner frontend module has no way to set freq\n");
 		return;
 	}
-	fe_tuner_ops->set_analog_params(&t->fe, &params);
+	fe_tuner_ops->set_analog_params(fe, params);
 }
 
-static void fe_release(struct tuner *t)
+static void fe_standby(struct dvb_frontend *fe)
 {
-	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+	struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
 
-	if (fe_tuner_ops->release)
-		fe_tuner_ops->release(&t->fe);
+	if (fe_tuner_ops->sleep)
+		fe_tuner_ops->sleep(fe);
 }
 
-static void fe_standby(struct tuner *t)
+static int fe_has_signal(struct dvb_frontend *fe)
 {
-	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+	u16 strength = 0;
 
-	if (fe_tuner_ops->sleep)
-		fe_tuner_ops->sleep(&t->fe);
+	if (fe->ops.tuner_ops.get_rf_strength)
+		fe->ops.tuner_ops.get_rf_strength(fe, &strength);
+
+	return strength;
+}
+
+static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
+{
+	struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
+	struct tuner *t = fe->analog_demod_priv;
+
+	if (fe_tuner_ops->set_config)
+		return fe_tuner_ops->set_config(fe, priv_cfg);
+
+	tuner_warn("Tuner frontend module has no way to set config\n");
+
+	return 0;
 }
 
+static void tuner_status(struct dvb_frontend *fe);
+
+static struct analog_demod_ops tuner_analog_ops = {
+	.set_params     = fe_set_params,
+	.standby        = fe_standby,
+	.has_signal     = fe_has_signal,
+	.set_config     = fe_set_config,
+	.tuner_status   = tuner_status
+};
+
 /* Set tuner frequency,  freq in Units of 62.5kHz = 1/16MHz */
 static void set_tv_freq(struct i2c_client *c, unsigned int freq)
 {
-	struct tuner *t = i2c_get_clientdata(c);
+	struct tuner *t = to_tuner(i2c_get_clientdata(c));
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+
+	struct analog_parameters params = {
+		.mode      = t->mode,
+		.audmode   = t->audmode,
+		.std       = t->std
+	};
 
 	if (t->type == UNSET) {
 		tuner_warn ("tuner type not set\n");
 		return;
 	}
-	if (NULL == t->ops.set_tv_freq) {
+	if (NULL == analog_ops->set_params) {
 		tuner_warn ("Tuner has no way to set tv freq\n");
 		return;
 	}
@@ -134,18 +247,27 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
 		else
 			freq = tv_range[1] * 16;
 	}
-	t->ops.set_tv_freq(t, freq);
+	params.frequency = freq;
+
+	analog_ops->set_params(&t->fe, &params);
 }
 
 static void set_radio_freq(struct i2c_client *c, unsigned int freq)
 {
-	struct tuner *t = i2c_get_clientdata(c);
+	struct tuner *t = to_tuner(i2c_get_clientdata(c));
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+
+	struct analog_parameters params = {
+		.mode      = t->mode,
+		.audmode   = t->audmode,
+		.std       = t->std
+	};
 
 	if (t->type == UNSET) {
 		tuner_warn ("tuner type not set\n");
 		return;
 	}
-	if (NULL == t->ops.set_radio_freq) {
+	if (NULL == analog_ops->set_params) {
 		tuner_warn ("tuner has no way to set radio frequency\n");
 		return;
 	}
@@ -160,13 +282,14 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
 		else
 			freq = radio_range[1] * 16000;
 	}
+	params.frequency = freq;
 
-	t->ops.set_radio_freq(t, freq);
+	analog_ops->set_params(&t->fe, &params);
 }
 
 static void set_freq(struct i2c_client *c, unsigned long freq)
 {
-	struct tuner *t = i2c_get_clientdata(c);
+	struct tuner *t = to_tuner(i2c_get_clientdata(c));
 
 	switch (t->mode) {
 	case V4L2_TUNER_RADIO:
@@ -182,115 +305,74 @@ static void set_freq(struct i2c_client *c, unsigned long freq)
 		set_tv_freq(c, freq);
 		t->tv_freq = freq;
 		break;
+	default:
+		tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode);
 	}
 }
 
-static void tuner_i2c_address_check(struct tuner *t)
-{
-	if ((t->type == UNSET || t->type == TUNER_ABSENT) ||
-	    ((t->i2c.addr < 0x64) || (t->i2c.addr > 0x6f)))
-		return;
-
-	tuner_warn("====================== WARNING! ======================\n");
-	tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n");
-	tuner_warn("will soon be dropped. This message indicates that your\n");
-	tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n",
-		   t->i2c.name, t->i2c.addr);
-	tuner_warn("To ensure continued support for your device, please\n");
-	tuner_warn("send a copy of this message, along with full dmesg\n");
-	tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n");
-	tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n");
-	tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n",
-		   t->i2c.adapter->name, t->i2c.addr, t->type,
-		   tuners[t->type].name);
-	tuner_warn("====================== WARNING! ======================\n");
-}
-
-static void attach_tda8290(struct tuner *t)
-{
-	struct tda8290_config cfg = {
-		.lna_cfg        = &t->config,
-		.tuner_callback = t->tuner_callback
-	};
-	tda8290_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
-}
-
-static void attach_simple_tuner(struct tuner *t)
-{
-	struct simple_tuner_config cfg = {
-		.type = t->type,
-		.tun  = &tuners[t->type]
-	};
-	simple_tuner_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
-}
+static struct xc5000_config xc5000_cfg;
 
 static void set_type(struct i2c_client *c, unsigned int type,
 		     unsigned int new_mode_mask, unsigned int new_config,
-		     int (*tuner_callback) (void *dev, int command,int arg))
+		     int (*tuner_callback) (void *dev, int component, int cmd, int arg))
 {
-	struct tuner *t = i2c_get_clientdata(c);
+	struct tuner *t = to_tuner(i2c_get_clientdata(c));
 	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
 	unsigned char buffer[4];
+	int tune_now = 1;
 
 	if (type == UNSET || type == TUNER_ABSENT) {
 		tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
 		return;
 	}
 
-	if (type >= tuner_count) {
-		tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count);
-		return;
-	}
-
 	t->type = type;
-	t->config = new_config;
+	/* prevent invalid config values */
+	t->config = new_config < 256 ? new_config : 0;
 	if (tuner_callback != NULL) {
 		tuner_dbg("defining GPIO callback\n");
-		t->tuner_callback = tuner_callback;
+		t->fe.callback = tuner_callback;
 	}
 
-	/* This code detects calls by card attach_inform */
-	if (NULL == t->i2c.dev.driver) {
+	if (t->mode == T_UNINITIALIZED) {
 		tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
 
 		return;
 	}
 
 	/* discard private data, in case set_type() was previously called */
-	if (t->ops.release)
-		t->ops.release(t);
-	else {
-		kfree(t->priv);
-		t->priv = NULL;
-	}
+	tuner_detach(&t->fe);
+	t->fe.analog_demod_priv = NULL;
 
 	switch (t->type) {
 	case TUNER_MT2032:
-		microtune_attach(&t->fe, t->i2c.adapter, t->i2c.addr);
+		if (!dvb_attach(microtune_attach,
+			   &t->fe, t->i2c->adapter, t->i2c->addr))
+			goto attach_failed;
 		break;
 	case TUNER_PHILIPS_TDA8290:
 	{
-		attach_tda8290(t);
+		struct tda829x_config cfg = {
+			.lna_cfg        = t->config,
+		};
+		if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter,
+				t->i2c->addr, &cfg))
+			goto attach_failed;
 		break;
 	}
 	case TUNER_TEA5767:
-		if (tea5767_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
-			t->type = TUNER_ABSENT;
-			t->mode_mask = T_UNINITIALIZED;
-			return;
-		}
+		if (!dvb_attach(tea5767_attach, &t->fe,
+				t->i2c->adapter, t->i2c->addr))
+			goto attach_failed;
 		t->mode_mask = T_RADIO;
 		break;
-#ifdef CONFIG_TUNER_TEA5761
 	case TUNER_TEA5761:
-		if (tea5761_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
-			t->type = TUNER_ABSENT;
-			t->mode_mask = T_UNINITIALIZED;
-			return;
-		}
+		if (!dvb_attach(tea5761_attach, &t->fe,
+				t->i2c->adapter, t->i2c->addr))
+			goto attach_failed;
 		t->mode_mask = T_RADIO;
 		break;
-#endif
 	case TUNER_PHILIPS_FMD1216ME_MK3:
 		buffer[0] = 0x0b;
 		buffer[1] = 0xdc;
@@ -301,43 +383,106 @@ static void set_type(struct i2c_client *c, unsigned int type,
 		buffer[2] = 0x86;
 		buffer[3] = 0x54;
 		i2c_master_send(c, buffer, 4);
-		attach_simple_tuner(t);
+		if (!dvb_attach(simple_tuner_attach, &t->fe,
+				t->i2c->adapter, t->i2c->addr, t->type))
+			goto attach_failed;
 		break;
 	case TUNER_PHILIPS_TD1316:
 		buffer[0] = 0x0b;
 		buffer[1] = 0xdc;
 		buffer[2] = 0x86;
 		buffer[3] = 0xa4;
-		i2c_master_send(c,buffer,4);
-		attach_simple_tuner(t);
+		i2c_master_send(c, buffer, 4);
+		if (!dvb_attach(simple_tuner_attach, &t->fe,
+				t->i2c->adapter, t->i2c->addr, t->type))
+			goto attach_failed;
 		break;
+	case TUNER_XC2028:
+	{
+		struct xc2028_config cfg = {
+			.i2c_adap  = t->i2c->adapter,
+			.i2c_addr  = t->i2c->addr,
+		};
+		if (!dvb_attach(xc2028_attach, &t->fe, &cfg))
+			goto attach_failed;
+		tune_now = 0;
+		break;
+	}
 	case TUNER_TDA9887:
-		tda9887_tuner_init(t);
+		if (!dvb_attach(tda9887_attach,
+			   &t->fe, t->i2c->adapter, t->i2c->addr))
+			goto attach_failed;
+		break;
+	case TUNER_XC5000:
+	{
+		xc5000_cfg.i2c_address	  = t->i2c->addr;
+		/* if_khz will be set when the digital dvb_attach() occurs */
+		xc5000_cfg.if_khz	  = 0;
+		if (!dvb_attach(xc5000_attach,
+				&t->fe, t->i2c->adapter, &xc5000_cfg))
+			goto attach_failed;
+		tune_now = 0;
 		break;
+	}
+	case TUNER_NXP_TDA18271:
+	{
+		struct tda18271_config cfg = {
+			.config = t->config,
+		};
+
+		if (!dvb_attach(tda18271_attach, &t->fe, t->i2c->addr,
+				t->i2c->adapter, &cfg))
+			goto attach_failed;
+		tune_now = 0;
+		break;
+	}
 	default:
-		attach_simple_tuner(t);
+		if (!dvb_attach(simple_tuner_attach, &t->fe,
+				t->i2c->adapter, t->i2c->addr, t->type))
+			goto attach_failed;
+
 		break;
 	}
 
-	if (fe_tuner_ops->set_analog_params) {
-		strlcpy(t->i2c.name, fe_tuner_ops->info.name, sizeof(t->i2c.name));
+	if ((NULL == analog_ops->set_params) &&
+	    (fe_tuner_ops->set_analog_params)) {
+
+		t->name = fe_tuner_ops->info.name;
+
+		t->fe.analog_demod_priv = t;
+		memcpy(analog_ops, &tuner_analog_ops,
+		       sizeof(struct analog_demod_ops));
 
-		t->ops.set_tv_freq    = fe_set_freq;
-		t->ops.set_radio_freq = fe_set_freq;
-		t->ops.standby        = fe_standby;
-		t->ops.release        = fe_release;
+	} else {
+		t->name = analog_ops->info.name;
 	}
 
-	tuner_info("type set to %s\n", t->i2c.name);
+	tuner_dbg("type set to %s\n", t->name);
 
 	if (t->mode_mask == T_UNINITIALIZED)
 		t->mode_mask = new_mode_mask;
 
-	set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq);
+	/* Some tuners require more initialization setup before use,
+	   such as firmware download or device calibration.
+	   trying to set a frequency here will just fail
+	   FIXME: better to move set_freq to the tuner code. This is needed
+	   on analog tuners for PLL to properly work
+	 */
+	if (tune_now)
+		set_freq(c, (V4L2_TUNER_RADIO == t->mode) ?
+			    t->radio_freq : t->tv_freq);
+
 	tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
 		  c->adapter->name, c->driver->driver.name, c->addr << 1, type,
 		  t->mode_mask);
-	tuner_i2c_address_check(t);
+	return;
+
+attach_failed:
+	tuner_dbg("Tuner attach for type = %d failed.\n", t->type);
+	t->type = TUNER_ABSENT;
+	t->mode_mask = T_UNINITIALIZED;
+
+	return;
 }
 
 /*
@@ -350,22 +495,24 @@ static void set_type(struct i2c_client *c, unsigned int type,
 
 static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
 {
-	struct tuner *t = i2c_get_clientdata(c);
-
-	tuner_dbg("set addr for type %i\n", t->type);
+	struct tuner *t = to_tuner(i2c_get_clientdata(c));
 
 	if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) &&
 		(t->mode_mask & tun_setup->mode_mask))) ||
 		(tun_setup->addr == c->addr)) {
 			set_type(c, tun_setup->type, tun_setup->mode_mask,
 				 tun_setup->config, tun_setup->tuner_callback);
-	}
+	} else
+		tuner_dbg("set addr discarded for type %i, mask %x. "
+			  "Asked to change tuner at addr 0x%02x, with mask %x\n",
+			  t->type, t->mode_mask,
+			  tun_setup->addr, tun_setup->mode_mask);
 }
 
 static inline int check_mode(struct tuner *t, char *cmd)
 {
 	if ((1 << t->mode & t->mode_mask) == 0) {
-		return EINVAL;
+		return -EINVAL;
 	}
 
 	switch (t->mode) {
@@ -498,10 +645,12 @@ static int tuner_fixup_std(struct tuner *t)
 	return 0;
 }
 
-static void tuner_status(struct tuner *t)
+static void tuner_status(struct dvb_frontend *fe)
 {
+	struct tuner *t = fe->analog_demod_priv;
 	unsigned long freq, freq_fraction;
-	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+	struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
+	struct analog_demod_ops *analog_ops = &fe->ops.analog_ops;
 	const char *p;
 
 	switch (t->mode) {
@@ -531,478 +680,266 @@ static void tuner_status(struct tuner *t)
 		if (tuner_status & TUNER_STATUS_STEREO)
 			tuner_info("Stereo:          yes\n");
 	}
-	if (t->ops.has_signal) {
-		tuner_info("Signal strength: %d\n", t->ops.has_signal(t));
-	}
-	if (t->ops.is_stereo) {
-		tuner_info("Stereo:          %s\n", t->ops.is_stereo(t) ? "yes" : "no");
-	}
+	if (analog_ops->has_signal)
+		tuner_info("Signal strength: %d\n",
+			   analog_ops->has_signal(fe));
+	if (analog_ops->is_stereo)
+		tuner_info("Stereo:          %s\n",
+			   analog_ops->is_stereo(fe) ? "yes" : "no");
 }
 
 /* ---------------------------------------------------------------------- */
 
-/* static vars: used only in tuner_attach and tuner_probe */
-static unsigned default_mode_mask;
-
-/* During client attach, set_type is called by adapter's attach_inform callback.
-   set_type must then be completed by tuner_attach.
+/*
+ * Switch tuner to other mode. If tuner support both tv and radio,
+ * set another frequency to some value (This is needed for some pal
+ * tuners to avoid locking). Otherwise, just put second tuner in
+ * standby mode.
  */
-static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
-{
-	struct tuner *t;
 
-	client_template.adapter = adap;
-	client_template.addr = addr;
+static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
+{
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
 
-	t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
-	if (NULL == t)
-		return -ENOMEM;
-	memcpy(&t->i2c, &client_template, sizeof(struct i2c_client));
-	i2c_set_clientdata(&t->i2c, t);
-	t->type = UNSET;
-	t->audmode = V4L2_TUNER_MODE_STEREO;
-	t->mode_mask = T_UNINITIALIZED;
-	t->ops.tuner_status = tuner_status;
+	if (mode == t->mode)
+		return 0;
 
-	if (show_i2c) {
-		unsigned char buffer[16];
-		int i,rc;
+	t->mode = mode;
 
-		memset(buffer, 0, sizeof(buffer));
-		rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer));
-		tuner_info("I2C RECV = ");
-		for (i=0;i<rc;i++)
-			printk("%02x ",buffer[i]);
-		printk("\n");
+	if (check_mode(t, cmd) == -EINVAL) {
+		tuner_dbg("Tuner doesn't support this mode. "
+			  "Putting tuner to sleep\n");
+		t->mode = T_STANDBY;
+		if (analog_ops->standby)
+			analog_ops->standby(&t->fe);
+		return -EINVAL;
 	}
-	/* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */
-	if (adap->id == I2C_HW_SAA7146 && addr < 0x4a)
-		return -ENODEV;
+	return 0;
+}
 
-	/* autodetection code based on the i2c addr */
-	if (!no_autodetect) {
-		switch (addr) {
-#ifdef CONFIG_TUNER_TEA5761
-		case 0x10:
-			if (tea5761_autodetection(t->i2c.adapter, t->i2c.addr) != EINVAL) {
-				t->type = TUNER_TEA5761;
-				t->mode_mask = T_RADIO;
-				t->mode = T_STANDBY;
-				t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
-				default_mode_mask &= ~T_RADIO;
+#define switch_v4l2()	if (!t->using_v4l2) \
+			    tuner_dbg("switching to v4l2\n"); \
+			t->using_v4l2 = 1;
 
-				goto register_client;
-			}
-			break;
-#endif
-		case 0x42:
-		case 0x43:
-		case 0x4a:
-		case 0x4b:
-			/* If chip is not tda8290, don't register.
-			   since it can be tda9887*/
-			if (tda8290_probe(t->i2c.adapter, t->i2c.addr) == 0) {
-				tuner_dbg("chip at addr %x is a tda8290\n", addr);
-			} else {
-				/* Default is being tda9887 */
-				t->type = TUNER_TDA9887;
-				t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
-				t->mode = T_STANDBY;
-				goto register_client;
-			}
-			break;
-		case 0x60:
-			if (tea5767_autodetection(t->i2c.adapter, t->i2c.addr) != EINVAL) {
-				t->type = TUNER_TEA5767;
-				t->mode_mask = T_RADIO;
-				t->mode = T_STANDBY;
-				t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
-				default_mode_mask &= ~T_RADIO;
+static inline int check_v4l2(struct tuner *t)
+{
+	/* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for
+	   TV, v4l1 for radio), until that is fixed this code is disabled.
+	   Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2)
+	   first. */
+	return 0;
+}
 
-				goto register_client;
-			}
-			break;
-		}
-	}
+static int tuner_s_type_addr(struct v4l2_subdev *sd, struct tuner_setup *type)
+{
+	struct tuner *t = to_tuner(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-	/* Initializes only the first adapter found */
-	if (default_mode_mask != T_UNINITIALIZED) {
-		tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask);
-		t->mode_mask = default_mode_mask;
-		t->tv_freq = 400 * 16; /* Sets freq to VHF High */
-		t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
-		default_mode_mask = T_UNINITIALIZED;
-	}
+	tuner_dbg("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
+			type->type,
+			type->addr,
+			type->mode_mask,
+			type->config);
 
-	/* Should be just before return */
-register_client:
-	tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name);
-	i2c_attach_client (&t->i2c);
-	set_type (&t->i2c,t->type, t->mode_mask, t->config, t->tuner_callback);
+	set_addr(client, type);
 	return 0;
 }
 
-static int tuner_probe(struct i2c_adapter *adap)
+static int tuner_s_radio(struct v4l2_subdev *sd)
 {
-	if (0 != addr) {
-		normal_i2c[0] = addr;
-		normal_i2c[1] = I2C_CLIENT_END;
-	}
-
-	default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
+	struct tuner *t = to_tuner(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-	if (adap->class & I2C_CLASS_TV_ANALOG)
-		return i2c_probe(adap, &addr_data, tuner_attach);
+	if (set_mode(client, t, V4L2_TUNER_RADIO, "s_radio") == -EINVAL)
+		return 0;
+	if (t->radio_freq)
+		set_freq(client, t->radio_freq);
 	return 0;
 }
 
-static int tuner_detach(struct i2c_client *client)
+static int tuner_s_power(struct v4l2_subdev *sd, int on)
 {
-	struct tuner *t = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(&t->i2c);
-	if (err) {
-		tuner_warn
-		    ("Client deregistration failed, client not detached.\n");
-		return err;
-	}
+	struct tuner *t = to_tuner(sd);
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
 
-	if (t->ops.release)
-		t->ops.release(t);
-	else {
-		kfree(t->priv);
-	}
-	kfree(t);
+	if (on)
+		return 0;
+
+	tuner_dbg("Putting tuner to sleep\n");
+
+	if (check_mode(t, "s_power") == -EINVAL)
+		return 0;
+	t->mode = T_STANDBY;
+	if (analog_ops->standby)
+		analog_ops->standby(&t->fe);
 	return 0;
 }
 
-/*
- * Switch tuner to other mode. If tuner support both tv and radio,
- * set another frequency to some value (This is needed for some pal
- * tuners to avoid locking). Otherwise, just put second tuner in
- * standby mode.
- */
-
-static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
+static int tuner_s_config(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *cfg)
 {
-	if (mode == t->mode)
-		return 0;
+	struct tuner *t = to_tuner(sd);
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
 
-	t->mode = mode;
+	if (t->type != cfg->tuner)
+		return 0;
 
-	if (check_mode(t, cmd) == EINVAL) {
-		t->mode = T_STANDBY;
-		if (t->ops.standby)
-			t->ops.standby(t);
-		return EINVAL;
+	if (analog_ops->set_config) {
+		analog_ops->set_config(&t->fe, cfg->priv);
+		return 0;
 	}
+
+	tuner_dbg("Tuner frontend module has no way to set config\n");
 	return 0;
 }
 
-#define switch_v4l2()	if (!t->using_v4l2) \
-			    tuner_dbg("switching to v4l2\n"); \
-			t->using_v4l2 = 1;
-
-static inline int check_v4l2(struct tuner *t)
+/* --- v4l ioctls --- */
+/* take care: bttv does userspace copying, we'll get a
+   kernel pointer here... */
+static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 {
-	/* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for
-	   TV, v4l1 for radio), until that is fixed this code is disabled.
-	   Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2)
-	   first. */
+	struct tuner *t = to_tuner(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+	if (set_mode(client, t, V4L2_TUNER_ANALOG_TV, "s_std") == -EINVAL)
+		return 0;
+
+	switch_v4l2();
+
+	t->std = std;
+	tuner_fixup_std(t);
+	if (t->tv_freq)
+		set_freq(client, t->tv_freq);
 	return 0;
 }
 
-static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int tuner_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
 {
-	struct tuner *t = i2c_get_clientdata(client);
-	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+	struct tuner *t = to_tuner(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-	if (tuner_debug>1)
-		v4l_i2c_print_ioctl(&(t->i2c),cmd);
-
-	switch (cmd) {
-	/* --- configuration --- */
-	case TUNER_SET_TYPE_ADDR:
-		tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
-				((struct tuner_setup *)arg)->type,
-				((struct tuner_setup *)arg)->addr,
-				((struct tuner_setup *)arg)->mode_mask,
-				((struct tuner_setup *)arg)->config);
-
-		set_addr(client, (struct tuner_setup *)arg);
-		break;
-	case AUDC_SET_RADIO:
-		if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO")
-				== EINVAL)
-			return 0;
-		if (t->radio_freq)
-			set_freq(client, t->radio_freq);
-		break;
-	case TUNER_SET_STANDBY:
-		if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
-			return 0;
-		t->mode = T_STANDBY;
-		if (t->ops.standby)
-			t->ops.standby(t);
-		break;
-#ifdef CONFIG_VIDEO_V4L1
-	case VIDIOCSAUDIO:
-		if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
-			return 0;
-		if (check_v4l2(t) == EINVAL)
-			return 0;
-
-		/* Should be implemented, since bttv calls it */
-		tuner_dbg("VIDIOCSAUDIO not implemented.\n");
-		break;
-	case VIDIOCSCHAN:
-		{
-			static const v4l2_std_id map[] = {
-				[VIDEO_MODE_PAL] = V4L2_STD_PAL,
-				[VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M,
-				[VIDEO_MODE_SECAM] = V4L2_STD_SECAM,
-				[4 /* bttv */ ] = V4L2_STD_PAL_M,
-				[5 /* bttv */ ] = V4L2_STD_PAL_N,
-				[6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
-			};
-			struct video_channel *vc = arg;
-
-			if (check_v4l2(t) == EINVAL)
-				return 0;
-
-			if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
-				return 0;
-
-			if (vc->norm < ARRAY_SIZE(map))
-				t->std = map[vc->norm];
-			tuner_fixup_std(t);
-			if (t->tv_freq)
-				set_tv_freq(client, t->tv_freq);
-			return 0;
-		}
-	case VIDIOCSFREQ:
-		{
-			unsigned long *v = arg;
+	if (set_mode(client, t, f->type, "s_frequency") == -EINVAL)
+		return 0;
+	switch_v4l2();
+	set_freq(client, f->frequency);
 
-			if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
-				return 0;
-			if (check_v4l2(t) == EINVAL)
-				return 0;
+	return 0;
+}
 
-			set_freq(client, *v);
-			return 0;
-		}
-	case VIDIOCGTUNER:
-		{
-			struct video_tuner *vt = arg;
-
-			if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
-				return 0;
-			if (check_v4l2(t) == EINVAL)
-				return 0;
-
-			if (V4L2_TUNER_RADIO == t->mode) {
-				if (fe_tuner_ops->get_status) {
-					u32 tuner_status;
-
-					fe_tuner_ops->get_status(&t->fe, &tuner_status);
-						if (tuner_status & TUNER_STATUS_STEREO)
-							vt->flags |= VIDEO_TUNER_STEREO_ON;
-						else
-							vt->flags &= ~VIDEO_TUNER_STEREO_ON;
-						vt->signal = tuner_status & TUNER_STATUS_LOCKED
-							? 65535 : 0;
-				} else {
-					if (t->ops.is_stereo) {
-						if (t->ops.is_stereo(t))
-							vt->flags |=
-								VIDEO_TUNER_STEREO_ON;
-						else
-							vt->flags &=
-								~VIDEO_TUNER_STEREO_ON;
-					}
-					if (t->ops.has_signal)
-						vt->signal = t->ops.has_signal(t);
-				}
-				vt->flags |= VIDEO_TUNER_LOW;	/* Allow freqs at 62.5 Hz */
-
-				vt->rangelow = radio_range[0] * 16000;
-				vt->rangehigh = radio_range[1] * 16000;
+static int tuner_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+{
+	struct tuner *t = to_tuner(sd);
+	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
 
-			} else {
-				vt->rangelow = tv_range[0] * 16;
-				vt->rangehigh = tv_range[1] * 16;
-			}
+	if (check_mode(t, "g_frequency") == -EINVAL)
+		return 0;
+	switch_v4l2();
+	f->type = t->mode;
+	if (fe_tuner_ops->get_frequency) {
+		u32 abs_freq;
+
+		fe_tuner_ops->get_frequency(&t->fe, &abs_freq);
+		f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
+			DIV_ROUND_CLOSEST(abs_freq * 2, 125) :
+			DIV_ROUND_CLOSEST(abs_freq, 62500);
+		return 0;
+	}
+	f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
+		t->radio_freq : t->tv_freq;
+	return 0;
+}
 
-			return 0;
-		}
-	case VIDIOCGAUDIO:
-		{
-			struct video_audio *va = arg;
-
-			if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
-				return 0;
-			if (check_v4l2(t) == EINVAL)
-				return 0;
-
-			if (V4L2_TUNER_RADIO == t->mode) {
-				if (fe_tuner_ops->get_status) {
-					u32 tuner_status;
-
-					fe_tuner_ops->get_status(&t->fe, &tuner_status);
-					va->mode = (tuner_status & TUNER_STATUS_STEREO)
-					    ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
-				} else if (t->ops.is_stereo)
-					va->mode = t->ops.is_stereo(t)
-					    ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
-			}
-			return 0;
-		}
-#endif
-	case TDA9887_SET_CONFIG:
-		if (t->type == TUNER_TDA9887) {
-			int *i = arg;
+static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+	struct tuner *t = to_tuner(sd);
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+	struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
 
-			t->tda9887_config = *i;
-			set_freq(client, t->tv_freq);
-		}
-		break;
-	/* --- v4l ioctls --- */
-	/* take care: bttv does userspace copying, we'll get a
-	   kernel pointer here... */
-	case VIDIOC_S_STD:
-		{
-			v4l2_std_id *id = arg;
-
-			if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
-					== EINVAL)
-				return 0;
-
-			switch_v4l2();
-
-			t->std = *id;
-			tuner_fixup_std(t);
-			if (t->tv_freq)
-				set_freq(client, t->tv_freq);
-			break;
-		}
-	case VIDIOC_S_FREQUENCY:
-		{
-			struct v4l2_frequency *f = arg;
+	if (check_mode(t, "g_tuner") == -EINVAL)
+		return 0;
+	switch_v4l2();
+
+	vt->type = t->mode;
+	if (analog_ops->get_afc)
+		vt->afc = analog_ops->get_afc(&t->fe);
+	if (t->mode == V4L2_TUNER_ANALOG_TV)
+		vt->capability |= V4L2_TUNER_CAP_NORM;
+	if (t->mode != V4L2_TUNER_RADIO) {
+		vt->rangelow = tv_range[0] * 16;
+		vt->rangehigh = tv_range[1] * 16;
+		return 0;
+	}
 
-			if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY")
-					== EINVAL)
-				return 0;
-			switch_v4l2();
-			set_freq(client,f->frequency);
+	/* radio mode */
+	vt->rxsubchans =
+		V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
+	if (fe_tuner_ops->get_status) {
+		u32 tuner_status;
 
-			break;
-		}
-	case VIDIOC_G_FREQUENCY:
-		{
-			struct v4l2_frequency *f = arg;
-
-			if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL)
-				return 0;
-			switch_v4l2();
-			f->type = t->mode;
-			if (fe_tuner_ops->get_frequency) {
-				u32 abs_freq;
-
-				fe_tuner_ops->get_frequency(&t->fe, &abs_freq);
-				f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
-					(abs_freq * 2 + 125/2) / 125 :
-					(abs_freq + 62500/2) / 62500;
-				break;
-			}
-			f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
-				t->radio_freq : t->tv_freq;
-			break;
+		fe_tuner_ops->get_status(&t->fe, &tuner_status);
+		vt->rxsubchans =
+			(tuner_status & TUNER_STATUS_STEREO) ?
+			V4L2_TUNER_SUB_STEREO :
+			V4L2_TUNER_SUB_MONO;
+	} else {
+		if (analog_ops->is_stereo) {
+			vt->rxsubchans =
+				analog_ops->is_stereo(&t->fe) ?
+				V4L2_TUNER_SUB_STEREO :
+				V4L2_TUNER_SUB_MONO;
 		}
-	case VIDIOC_G_TUNER:
-		{
-			struct v4l2_tuner *tuner = arg;
-
-			if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
-				return 0;
-			switch_v4l2();
-
-			tuner->type = t->mode;
-			if (t->ops.get_afc)
-				tuner->afc=t->ops.get_afc(t);
-			if (t->mode == V4L2_TUNER_ANALOG_TV)
-				tuner->capability |= V4L2_TUNER_CAP_NORM;
-			if (t->mode != V4L2_TUNER_RADIO) {
-				tuner->rangelow = tv_range[0] * 16;
-				tuner->rangehigh = tv_range[1] * 16;
-				break;
-			}
+	}
+	if (analog_ops->has_signal)
+		vt->signal = analog_ops->has_signal(&t->fe);
+	vt->capability |=
+		V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
+	vt->audmode = t->audmode;
+	vt->rangelow = radio_range[0] * 16000;
+	vt->rangehigh = radio_range[1] * 16000;
+	return 0;
+}
 
-			/* radio mode */
-			tuner->rxsubchans =
-				V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
-			if (fe_tuner_ops->get_status) {
-				u32 tuner_status;
+static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+	struct tuner *t = to_tuner(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
 
-				fe_tuner_ops->get_status(&t->fe, &tuner_status);
-				tuner->rxsubchans = (tuner_status & TUNER_STATUS_STEREO) ?
-					V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
-				tuner->signal = tuner_status & TUNER_STATUS_LOCKED ? 65535 : 0;
-			} else {
-				if (t->ops.is_stereo) {
-					tuner->rxsubchans = t->ops.is_stereo(t) ?
-						V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
-				}
-				if (t->ops.has_signal)
-					tuner->signal = t->ops.has_signal(t);
-			}
-			tuner->capability |=
-			    V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
-			tuner->audmode = t->audmode;
-			tuner->rangelow = radio_range[0] * 16000;
-			tuner->rangehigh = radio_range[1] * 16000;
-			break;
-		}
-	case VIDIOC_S_TUNER:
-		{
-			struct v4l2_tuner *tuner = arg;
+	if (check_mode(t, "s_tuner") == -EINVAL)
+		return 0;
 
-			if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
-				return 0;
+	switch_v4l2();
 
-			switch_v4l2();
+	/* do nothing unless we're a radio tuner */
+	if (t->mode != V4L2_TUNER_RADIO)
+		return 0;
+	t->audmode = vt->audmode;
+	set_radio_freq(client, t->radio_freq);
+	return 0;
+}
 
-			/* do nothing unless we're a radio tuner */
-			if (t->mode != V4L2_TUNER_RADIO)
-				break;
-			t->audmode = tuner->audmode;
-			set_radio_freq(client, t->radio_freq);
-			break;
-		}
-	case VIDIOC_LOG_STATUS:
-		if (t->ops.tuner_status)
-			t->ops.tuner_status(t);
-		break;
-	}
+static int tuner_log_status(struct v4l2_subdev *sd)
+{
+	struct tuner *t = to_tuner(sd);
+	struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
 
+	if (analog_ops->tuner_status)
+		analog_ops->tuner_status(&t->fe);
 	return 0;
 }
 
 static int tuner_suspend(struct i2c_client *c, pm_message_t state)
 {
-	struct tuner *t = i2c_get_clientdata (c);
+	struct tuner *t = to_tuner(i2c_get_clientdata(c));
 
-	tuner_dbg ("suspend\n");
+	tuner_dbg("suspend\n");
 	/* FIXME: power down ??? */
 	return 0;
 }
 
 static int tuner_resume(struct i2c_client *c)
 {
-	struct tuner *t = i2c_get_clientdata (c);
+	struct tuner *t = to_tuner(i2c_get_clientdata(c));
 
-	tuner_dbg ("resume\n");
+	tuner_dbg("resume\n");
 	if (V4L2_TUNER_RADIO == t->mode) {
 		if (t->radio_freq)
 			set_freq(c, t->radio_freq);
@@ -1013,36 +950,241 @@ static int tuner_resume(struct i2c_client *c)
 	return 0;
 }
 
+static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+	/* TUNER_SET_CONFIG is still called by tuner-simple.c, so we have
+	   to handle it here.
+	   There must be a better way of doing this... */
+	switch (cmd) {
+	case TUNER_SET_CONFIG:
+		return tuner_s_config(sd, arg);
+	}
+	return -ENOIOCTLCMD;
+}
+
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver driver = {
-	.id = I2C_DRIVERID_TUNER,
-	.attach_adapter = tuner_probe,
-	.detach_client = tuner_detach,
-	.command = tuner_command,
-	.suspend = tuner_suspend,
-	.resume  = tuner_resume,
-	.driver = {
-		.name    = "tuner",
-	},
+static const struct v4l2_subdev_core_ops tuner_core_ops = {
+	.log_status = tuner_log_status,
+	.s_std = tuner_s_std,
+	.s_power = tuner_s_power,
 };
-static struct i2c_client client_template = {
-	.name = "(tuner unset)",
-	.driver = &driver,
+
+static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = {
+	.s_radio = tuner_s_radio,
+	.g_tuner = tuner_g_tuner,
+	.s_tuner = tuner_s_tuner,
+	.s_frequency = tuner_s_frequency,
+	.g_frequency = tuner_g_frequency,
+	.s_type_addr = tuner_s_type_addr,
+	.s_config = tuner_s_config,
+};
+
+static const struct v4l2_subdev_ops tuner_ops = {
+	.core = &tuner_core_ops,
+	.tuner = &tuner_tuner_ops,
 };
 
-static int __init tuner_init_module(void)
+/* ---------------------------------------------------------------------- */
+
+static LIST_HEAD(tuner_list);
+
+/* Search for existing radio and/or TV tuners on the given I2C adapter.
+   Note that when this function is called from tuner_probe you can be
+   certain no other devices will be added/deleted at the same time, I2C
+   core protects against that. */
+static void tuner_lookup(struct i2c_adapter *adap,
+		struct tuner **radio, struct tuner **tv)
 {
-	return i2c_add_driver(&driver);
+	struct tuner *pos;
+
+	*radio = NULL;
+	*tv = NULL;
+
+	list_for_each_entry(pos, &tuner_list, list) {
+		int mode_mask;
+
+		if (pos->i2c->adapter != adap ||
+		    strcmp(pos->i2c->driver->driver.name, "tuner"))
+			continue;
+
+		mode_mask = pos->mode_mask & ~T_STANDBY;
+		if (*radio == NULL && mode_mask == T_RADIO)
+			*radio = pos;
+		/* Note: currently TDA9887 is the only demod-only
+		   device. If other devices appear then we need to
+		   make this test more general. */
+		else if (*tv == NULL && pos->type != TUNER_TDA9887 &&
+			 (pos->mode_mask & (T_ANALOG_TV | T_DIGITAL_TV)))
+			*tv = pos;
+	}
+}
+
+/* During client attach, set_type is called by adapter's attach_inform callback.
+   set_type must then be completed by tuner_probe.
+ */
+static int tuner_probe(struct i2c_client *client,
+		       const struct i2c_device_id *id)
+{
+	struct tuner *t;
+	struct tuner *radio;
+	struct tuner *tv;
+
+	t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
+	if (NULL == t)
+		return -ENOMEM;
+	v4l2_i2c_subdev_init(&t->sd, client, &tuner_ops);
+	t->i2c = client;
+	t->name = "(tuner unset)";
+	t->type = UNSET;
+	t->audmode = V4L2_TUNER_MODE_STEREO;
+	t->mode_mask = T_UNINITIALIZED;
+
+	if (show_i2c) {
+		unsigned char buffer[16];
+		int i, rc;
+
+		memset(buffer, 0, sizeof(buffer));
+		rc = i2c_master_recv(client, buffer, sizeof(buffer));
+		tuner_info("I2C RECV = ");
+		for (i = 0; i < rc; i++)
+			printk(KERN_CONT "%02x ", buffer[i]);
+		printk("\n");
+	}
+	/* HACK: This test was added to avoid tuner to probe tda9840 and
+	   tea6415c on the MXB card */
+	if (client->adapter->id == I2C_HW_SAA7146 && client->addr < 0x4a) {
+		kfree(t);
+		return -ENODEV;
+	}
+
+	/* autodetection code based on the i2c addr */
+	if (!no_autodetect) {
+		switch (client->addr) {
+		case 0x10:
+			if (tuner_symbol_probe(tea5761_autodetection,
+					       t->i2c->adapter,
+					       t->i2c->addr) >= 0) {
+				t->type = TUNER_TEA5761;
+				t->mode_mask = T_RADIO;
+				t->mode = T_STANDBY;
+				/* Sets freq to FM range */
+				t->radio_freq = 87.5 * 16000;
+				tuner_lookup(t->i2c->adapter, &radio, &tv);
+				if (tv)
+					tv->mode_mask &= ~T_RADIO;
+
+				goto register_client;
+			}
+			kfree(t);
+			return -ENODEV;
+		case 0x42:
+		case 0x43:
+		case 0x4a:
+		case 0x4b:
+			/* If chip is not tda8290, don't register.
+			   since it can be tda9887*/
+			if (tuner_symbol_probe(tda829x_probe, t->i2c->adapter,
+					       t->i2c->addr) >= 0) {
+				tuner_dbg("tda829x detected\n");
+			} else {
+				/* Default is being tda9887 */
+				t->type = TUNER_TDA9887;
+				t->mode_mask = T_RADIO | T_ANALOG_TV |
+					       T_DIGITAL_TV;
+				t->mode = T_STANDBY;
+				goto register_client;
+			}
+			break;
+		case 0x60:
+			if (tuner_symbol_probe(tea5767_autodetection,
+					       t->i2c->adapter, t->i2c->addr)
+					>= 0) {
+				t->type = TUNER_TEA5767;
+				t->mode_mask = T_RADIO;
+				t->mode = T_STANDBY;
+				/* Sets freq to FM range */
+				t->radio_freq = 87.5 * 16000;
+				tuner_lookup(t->i2c->adapter, &radio, &tv);
+				if (tv)
+					tv->mode_mask &= ~T_RADIO;
+
+				goto register_client;
+			}
+			break;
+		}
+	}
+
+	/* Initializes only the first TV tuner on this adapter. Why only the
+	   first? Because there are some devices (notably the ones with TI
+	   tuners) that have more than one i2c address for the *same* device.
+	   Experience shows that, except for just one case, the first
+	   address is the right one. The exception is a Russian tuner
+	   (ACORP_Y878F). So, the desired behavior is just to enable the
+	   first found TV tuner. */
+	tuner_lookup(t->i2c->adapter, &radio, &tv);
+	if (tv == NULL) {
+		t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV;
+		if (radio == NULL)
+			t->mode_mask |= T_RADIO;
+		tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask);
+		t->tv_freq = 400 * 16; /* Sets freq to VHF High */
+		t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
+	}
+
+	/* Should be just before return */
+register_client:
+	tuner_info("chip found @ 0x%x (%s)\n", client->addr << 1,
+		       client->adapter->name);
+
+	/* Sets a default mode */
+	if (t->mode_mask & T_ANALOG_TV) {
+		t->mode = V4L2_TUNER_ANALOG_TV;
+	} else  if (t->mode_mask & T_RADIO) {
+		t->mode = V4L2_TUNER_RADIO;
+	} else {
+		t->mode = V4L2_TUNER_DIGITAL_TV;
+	}
+	set_type(client, t->type, t->mode_mask, t->config, t->fe.callback);
+	list_add_tail(&t->list, &tuner_list);
+	return 0;
 }
 
-static void __exit tuner_cleanup_module(void)
+static int tuner_remove(struct i2c_client *client)
 {
-	i2c_del_driver(&driver);
+	struct tuner *t = to_tuner(i2c_get_clientdata(client));
+
+	v4l2_device_unregister_subdev(&t->sd);
+	tuner_detach(&t->fe);
+	t->fe.analog_demod_priv = NULL;
+
+	list_del(&t->list);
+	kfree(t);
+	return 0;
 }
 
-module_init(tuner_init_module);
-module_exit(tuner_cleanup_module);
+/* ----------------------------------------------------------------------- */
+
+/* This driver supports many devices and the idea is to let the driver
+   detect which device is present. So rather than listing all supported
+   devices here, we pretend to support a single, fake device type. */
+static const struct i2c_device_id tuner_id[] = {
+	{ "tuner", }, /* autodetect */
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, tuner_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "tuner",
+	.probe = tuner_probe,
+	.remove = tuner_remove,
+	.command = tuner_command,
+	.suspend = tuner_suspend,
+	.resume = tuner_resume,
+	.id_table = tuner_id,
+};
 
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.