merge: http://linuxtv.org/hg/~mkrufky/megasky-m920x

From: Mauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

11 files changed, 1224 insertions, 0 deletions

diff --git a/linux/drivers/media/dvb/dvb-usb/Kconfig b/linux/drivers/media/dvb/dvb-usb/Kconfig
index ad5214360..861a02939 100644
--- a/linux/drivers/media/dvb/dvb-usb/Kconfig
+++ b/linux/drivers/media/dvb/dvb-usb/Kconfig
@@ -109,6 +109,17 @@ config DVB_USB_CXUSB
 	  Medion MD95700 hybrid USB2.0 device.
 	  DViCO FusionHDTV (Bluebird) USB2.0 devices
 
+config DVB_USB_M920X
+	tristate "Uli m920x DVB-T USB2.0 support"
+	depends on DVB_USB
+	select DVB_MT352 if !DVB_FE_CUSTOMISE
+	select DVB_TUNER_QT1010 if !DVB_FE_CUSTOMISE
+	help
+	  Say Y here to support the MSI Mega Sky 580 USB2.0 DVB-T receiver.
+	  Currently, only devices with a product id of
+	  "DTV USB MINI" (in cold state) are supported.
+	  Firmware required.
+
 config DVB_USB_DIGITV
 	tristate "Nebula Electronics uDigiTV DVB-T USB2.0 support"
 	depends on DVB_USB
diff --git a/linux/drivers/media/dvb/dvb-usb/Makefile b/linux/drivers/media/dvb/dvb-usb/Makefile
index 154d593bb..815e27898 100644
--- a/linux/drivers/media/dvb/dvb-usb/Makefile
+++ b/linux/drivers/media/dvb/dvb-usb/Makefile
@@ -30,6 +30,9 @@ obj-$(CONFIG_DVB_USB_NOVA_T_USB2) += dvb-usb-dibusb-common.o dvb-usb-nova-t-usb2
 dvb-usb-umt-010-objs = umt-010.o
 obj-$(CONFIG_DVB_USB_UMT_010) += dvb-usb-dibusb-common.o dvb-usb-umt-010.o
 
+dvb-usb-m920x-objs = m920x.o
+obj-$(CONFIG_DVB_USB_M920X) += dvb-usb-m920x.o
+
 dvb-usb-digitv-objs = digitv.o
 obj-$(CONFIG_DVB_USB_DIGITV) += dvb-usb-digitv.o
 
diff --git a/linux/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/linux/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
index 299382dcb..713ec5a82 100644
--- a/linux/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
+++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
@@ -29,6 +29,7 @@
 #define USB_VID_LEADTEK				0x0413
 #define USB_VID_LITEON				0x04ca
 #define USB_VID_MEDION				0x1660
+#define USB_VID_MSI				0x0db0
 #define USB_VID_PINNACLE			0x2304
 #define USB_VID_VISIONPLUS			0x13d3
 #define USB_VID_TWINHAN				0x1822
@@ -119,6 +120,7 @@
 #define USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_COLD		0xdb54
 #define USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_WARM		0xdb55
 #define USB_PID_MEDION_MD95700				0x0932
+#define USB_PID_MSI_MEGASKY580				0x5580
 #define USB_PID_KYE_DVB_T_COLD				0x701e
 #define USB_PID_KYE_DVB_T_WARM				0x701f
 #define USB_PID_PCTV_200E				0x020e
diff --git a/linux/drivers/media/dvb/dvb-usb/m920x.c b/linux/drivers/media/dvb/dvb-usb/m920x.c
new file mode 100644
index 000000000..1a411316f
--- /dev/null
+++ b/linux/drivers/media/dvb/dvb-usb/m920x.c
@@ -0,0 +1,551 @@
+/* DVB USB compliant linux driver for MSI Mega Sky 580 DVB-T USB2.0 receiver
+ *
+ * Copyright (C) 2006 Aapo Tahkola (aet@rasterburn.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, version 2.
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ */
+
+#include "m920x.h"
+
+#include "mt352.h"
+#include "mt352_priv.h"
+#include "qt1010.h"
+
+/* debug */
+static int dvb_usb_m920x_debug;
+module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
+
+static struct dvb_usb_rc_key megasky_rc_keys [] = {
+	{ 0x0, 0x12, KEY_POWER },
+	{ 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
+	{ 0x0, 0x02, KEY_CHANNELUP },
+	{ 0x0, 0x05, KEY_CHANNELDOWN },
+	{ 0x0, 0x03, KEY_VOLUMEUP },
+	{ 0x0, 0x06, KEY_VOLUMEDOWN },
+	{ 0x0, 0x04, KEY_MUTE },
+	{ 0x0, 0x07, KEY_OK }, /* TS */
+	{ 0x0, 0x08, KEY_STOP },
+	{ 0x0, 0x09, KEY_MENU }, /* swap */
+	{ 0x0, 0x0a, KEY_REWIND },
+	{ 0x0, 0x1b, KEY_PAUSE },
+	{ 0x0, 0x1f, KEY_FASTFORWARD },
+	{ 0x0, 0x0c, KEY_RECORD },
+	{ 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
+	{ 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
+};
+
+static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
+			     u16 index, void *data, int size)
+{
+	int ret;
+
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+			      request, USB_TYPE_VENDOR | USB_DIR_IN,
+			      value, index, data, size, 2000);
+	if (ret < 0)
+		return ret;
+
+	if (ret != size)
+		return -EIO;
+
+	return 0;
+}
+
+static inline int m9206_write(struct usb_device *udev, u8 request,
+			      u16 value, u16 index)
+{
+	int ret;
+
+	ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+			      request, USB_TYPE_VENDOR | USB_DIR_OUT,
+			      value, index, NULL, 0, 2000);
+	return ret;
+}
+
+static int m9206_rc_init(struct usb_device *udev)
+{
+	int ret = 0;
+
+	/* Remote controller init. */
+	if ((ret = m9206_write(udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
+		return ret;
+
+	if ((ret = m9206_write(udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
+		return ret;
+
+	return ret;
+}
+
+static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	struct m9206_state *m = d->priv;
+	int i, ret = 0;
+	u8 rc_state[2];
+
+#if 0
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+#endif
+
+	if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
+		goto unlock;
+
+	if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
+		goto unlock;
+
+	for (i = 0; i < ARRAY_SIZE(megasky_rc_keys); i++)
+		if (megasky_rc_keys[i].data == rc_state[1]) {
+			*event = megasky_rc_keys[i].event;
+
+			switch(rc_state[0]) {
+			case 0x80:
+				*state = REMOTE_NO_KEY_PRESSED;
+				goto unlock;
+
+			case 0x93:
+			case 0x92:
+				m->rep_count = 0;
+				*state = REMOTE_KEY_PRESSED;
+				goto unlock;
+
+			case 0x91:
+				/* For comfort. */
+				if (++m->rep_count > 2)
+					*state = REMOTE_KEY_REPEAT;
+				goto unlock;
+
+			default:
+				deb_rc("Unexpected rc response %x\n", rc_state[0]);
+				*state = REMOTE_NO_KEY_PRESSED;
+				goto unlock;
+			}
+		}
+
+	if (rc_state[1] != 0)
+		deb_rc("Unknown rc key %x\n", rc_state[1]);
+
+	*state = REMOTE_NO_KEY_PRESSED;
+
+	unlock:
+#if 0
+	mutex_unlock(&d->i2c_mutex);
+#endif
+
+	return ret;
+}
+
+/* I2C */
+static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+			  int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	struct m9206_state *m = d->priv;
+	int i;
+	int ret = 0;
+
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	if (num > 2)
+		return -EINVAL;
+
+	for (i = 0; i < num; i++) {
+		if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].addr, 0x80)) != 0)
+			goto unlock;
+
+		if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[0], 0x0)) != 0)
+			goto unlock;
+
+		if (i + 1 < num && msg[i + 1].flags & I2C_M_RD) {
+			int i2c_i;
+
+			for (i2c_i = 0; i2c_i < M9206_I2C_MAX; i2c_i++)
+				if (msg[i].addr == m->i2c_r[i2c_i].addr)
+					break;
+
+			if (i2c_i >= M9206_I2C_MAX) {
+				deb_rc("No magic for i2c addr!\n");
+				ret = -EINVAL;
+				goto unlock;
+			}
+
+			if ((ret = m9206_write(d->udev, M9206_I2C, m->i2c_r[i2c_i].magic, 0x80)) != 0)
+				goto unlock;
+
+			if ((ret = m9206_read(d->udev, M9206_I2C, 0x0, 0x60, msg[i + 1].buf, msg[i + 1].len)) != 0)
+				goto unlock;
+
+			i++;
+		} else {
+			if (msg[i].len != 2)
+				return -EINVAL;
+
+			if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[1], 0x40)) != 0)
+				goto unlock;
+		}
+	}
+	ret = i;
+	unlock:
+	mutex_unlock(&d->i2c_mutex);
+
+	return ret;
+}
+
+static u32 m9206_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm m9206_i2c_algo = {
+	.master_xfer   = m9206_i2c_xfer,
+	.functionality = m9206_i2c_func,
+};
+
+
+static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx,
+			    int pid)
+{
+	int ret = 0;
+
+	if (pid >= 0x8000)
+		return -EINVAL;
+
+	pid |= 0x8000;
+
+	if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
+		return ret;
+
+	if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
+		return ret;
+
+	return ret;
+}
+
+static int m9206_update_filters(struct dvb_usb_adapter *adap)
+{
+	struct m9206_state *m = adap->dev->priv;
+	int enabled = m->filtering_enabled;
+	int i, ret = 0, filter = 0;
+
+	for (i = 0; i < M9206_MAX_FILTERS; i++)
+		if (m->filters[i] == 8192)
+			enabled = 0;
+
+	/* Disable all filters */
+	if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0)
+		return ret;
+
+	for (i = 0; i < M9206_MAX_FILTERS; i++)
+		if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0)
+			return ret;
+
+	if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0)
+		return ret;
+
+	/* Set */
+	if (enabled) {
+		for (i = 0; i < M9206_MAX_FILTERS; i++) {
+			if (m->filters[i] == 0)
+				continue;
+
+			if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
+				return ret;
+
+			filter++;
+		}
+	}
+
+	if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
+		return ret;
+
+	return ret;
+}
+
+static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	struct m9206_state *m = adap->dev->priv;
+
+	m->filtering_enabled = onoff ? 1 : 0;
+
+	return m9206_update_filters(adap);
+}
+
+static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
+			    int onoff)
+{
+	struct m9206_state *m = adap->dev->priv;
+
+	m->filters[index] = onoff ? pid : 0;
+
+	return m9206_update_filters(adap);
+}
+
+static int m9206_firmware_download(struct usb_device *udev,
+				   const struct firmware *fw)
+{
+	u16 value, index, size;
+	u8 read[4], *buff;
+	int i, pass, ret = 0;
+
+	buff = kmalloc(65536, GFP_KERNEL);
+
+	if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
+		goto done;
+	deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
+
+	if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
+		goto done;
+	deb_rc("%x\n", read[0]);
+
+	for (pass = 0; pass < 2; pass++) {
+		for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
+			value = le16_to_cpu(*(u16 *)(fw->data + i));
+			i += sizeof(u16);
+
+			index = le16_to_cpu(*(u16 *)(fw->data + i));
+			i += sizeof(u16);
+
+			size = le16_to_cpu(*(u16 *)(fw->data + i));
+			i += sizeof(u16);
+
+			if (pass == 1) {
+				/* Will stall if using fw->data ... */
+				memcpy(buff, fw->data + i, size);
+
+				ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
+					    M9206_FW,
+					    USB_TYPE_VENDOR | USB_DIR_OUT,
+					    value, index, buff, size, 20);
+				if (ret != size) {
+					deb_rc("error while uploading fw!\n");
+					ret = -EIO;
+					goto done;
+				}
+				msleep(3);
+			}
+			i += size;
+		}
+		if (i != fw->size) {
+			ret = -EINVAL;
+			goto done;
+		}
+	}
+
+	msleep(36);
+
+	/* m9206 will disconnect itself from the bus after this. */
+	(void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
+	deb_rc("firmware uploaded!\n");
+
+	done:
+	kfree(buff);
+
+	return ret;
+}
+
+/* Callbacks for DVB USB */
+static int megasky_identify_state(struct usb_device *udev,
+				  struct dvb_usb_device_properties *props,
+				  struct dvb_usb_device_description **desc,
+				  int *cold)
+{
+	struct usb_host_interface *alt;
+
+	alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);
+	*cold = (alt == NULL) ? 1 : 0;
+
+	return 0;
+}
+
+static int megasky_mt352_demod_init(struct dvb_frontend *fe)
+{
+	u8 config[] = { CONFIG, 0x3d };
+	u8 clock[] = { CLOCK_CTL, 0x30 };
+	u8 reset[] = { RESET, 0x80 };
+	u8 adc_ctl[] = { ADC_CTL_1, 0x40 };
+	u8 agc[] = { AGC_TARGET, 0x1c, 0x20 };
+	u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 };
+	u8 unk1[] = { 0x93, 0x1a };
+	u8 unk2[] = { 0xb5, 0x7a };
+
+	mt352_write(fe, config, ARRAY_SIZE(config));
+	mt352_write(fe, clock, ARRAY_SIZE(clock));
+	mt352_write(fe, reset, ARRAY_SIZE(reset));
+	mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl));
+	mt352_write(fe, agc, ARRAY_SIZE(agc));
+	mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc));
+	mt352_write(fe, unk1, ARRAY_SIZE(unk1));
+	mt352_write(fe, unk2, ARRAY_SIZE(unk2));
+
+	deb_rc("Demod init!\n");
+
+	return 0;
+}
+
+static struct mt352_config megasky_mt352_config = {
+	.demod_address = 0x1e,
+	.no_tuner = 1,
+	.demod_init = megasky_mt352_demod_init,
+};
+
+static int megasky_mt352_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	struct m9206_state *m = adap->dev->priv;
+
+	deb_rc("megasky_frontend_attach!\n");
+
+	m->i2c_r[M9206_I2C_DEMOD].addr = megasky_mt352_config.demod_address;
+	m->i2c_r[M9206_I2C_DEMOD].magic = 0x1f;
+
+	if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) == NULL)
+		return -EIO;
+
+	return 0;
+}
+
+static struct qt1010_config megasky_qt1010_config = {
+	.i2c_address = 0xc4
+};
+
+static int megasky_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	struct m9206_state *m = adap->dev->priv;
+
+	m->i2c_r[M9206_I2C_TUNER].addr = megasky_qt1010_config.i2c_address;
+	m->i2c_r[M9206_I2C_TUNER].magic = 0xc5;
+
+	if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap,
+		       &megasky_qt1010_config) == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties megasky_properties;
+
+static int m920x_probe(struct usb_interface *intf,
+		       const struct usb_device_id *id)
+{
+	struct dvb_usb_device *d;
+	struct usb_host_interface *alt;
+	int ret;
+
+	if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) {
+		deb_rc("probed!\n");
+
+		alt = usb_altnum_to_altsetting(intf, 1);
+		if (alt == NULL) {
+			deb_rc("not alt found!\n");
+			return -ENODEV;
+		}
+
+		ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
+					alt->desc.bAlternateSetting);
+		if (ret < 0)
+			return ret;
+
+		deb_rc("Changed to alternate setting!\n");
+
+		if ((ret = m9206_rc_init(d->udev)) != 0)
+			return ret;
+	}
+	return ret;
+}
+
+static struct usb_device_id m920x_table [] = {
+		{ USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
+		{ }		/* Terminating entry */
+};
+MODULE_DEVICE_TABLE (usb, m920x_table);
+
+static struct dvb_usb_device_properties megasky_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = "dvb-usb-megasky-02.fw",
+	.download_firmware = m9206_firmware_download,
+
+	.rc_interval      = 100,
+	.rc_key_map       = megasky_rc_keys,
+	.rc_key_map_size  = ARRAY_SIZE(megasky_rc_keys),
+	.rc_query         = m9206_rc_query,
+
+	.size_of_priv     = sizeof(struct m9206_state),
+
+	.identify_state   = megasky_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m9206_pid_filter,
+		.pid_filter_ctrl  = m9206_pid_filter_ctrl,
+
+		.frontend_attach  = megasky_mt352_frontend_attach,
+		.tuner_attach     = megasky_qt1010_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				.bulk = {
+					.buffersize = 512,
+				}
+			}
+		},
+	}},
+	.i2c_algo         = &m9206_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   "MSI Mega Sky 580 DVB-T USB2.0",
+			{ &m920x_table[0], NULL },
+			{ NULL },
+		},
+	}
+};
+
+static struct usb_driver m920x_driver = {
+#if LINUX_VERSION_CODE <=  KERNEL_VERSION(2,6,15)
+	.owner		= THIS_MODULE,
+#endif
+	.name		= "dvb_usb_m920x",
+	.probe		= m920x_probe,
+	.disconnect	= dvb_usb_device_exit,
+	.id_table	= m920x_table,
+};
+
+/* module stuff */
+static int __init m920x_module_init(void)
+{
+	int ret;
+
+	if ((ret = usb_register(&m920x_driver))) {
+		err("usb_register failed. Error number %d", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void __exit m920x_module_exit(void)
+{
+	/* deregister this driver from the USB subsystem */
+	usb_deregister(&m920x_driver);
+}
+
+module_init (m920x_module_init);
+module_exit (m920x_module_exit);
+
+MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
+MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
diff --git a/linux/drivers/media/dvb/dvb-usb/m920x.h b/linux/drivers/media/dvb/dvb-usb/m920x.h
new file mode 100644
index 000000000..c354196ff
--- /dev/null
+++ b/linux/drivers/media/dvb/dvb-usb/m920x.h
@@ -0,0 +1,35 @@
+#ifndef _DVB_USB_M920X_H_
+#define _DVB_USB_M920X_H_
+
+#define DVB_USB_LOG_PREFIX "m920x"
+#include "dvb-usb.h"
+
+#define deb_rc(args...)   dprintk(dvb_usb_m920x_debug,0x01,args)
+
+#define M9206_CORE	0x22
+#define M9206_RC_STATE	0xff51
+#define M9206_RC_KEY	0xff52
+#define M9206_RC_INIT1	0xff54
+#define M9206_RC_INIT2	0xff55
+#define M9206_FW_GO	0xff69
+
+#define M9206_I2C	0x23
+#define M9206_FILTER	0x25
+#define M9206_FW	0x30
+
+#define M9206_MAX_FILTERS 8
+
+#define M9206_I2C_TUNER	0
+#define M9206_I2C_DEMOD	1
+#define M9206_I2C_MAX	2
+
+struct m9206_state {
+	u16 filters[M9206_MAX_FILTERS];
+	int filtering_enabled;
+	int rep_count;
+	struct {
+		unsigned char addr;
+		unsigned char magic;
+	}i2c_r[M9206_I2C_MAX];
+};
+#endif
diff --git a/linux/drivers/media/dvb/frontends/Kconfig b/linux/drivers/media/dvb/frontends/Kconfig
index af314bb1d..22c2cf2ce 100644
--- a/linux/drivers/media/dvb/frontends/Kconfig
+++ b/linux/drivers/media/dvb/frontends/Kconfig
@@ -290,6 +290,13 @@ config DVB_TDA826X
 	help
 	  A DVB-S 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
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A driver for the silicon tuner QT1010 from Quantek.
+
 config DVB_TUNER_MT2060
 	tristate "Microtune MT2060 silicon IF tuner"
 	depends on I2C
diff --git a/linux/drivers/media/dvb/frontends/Makefile b/linux/drivers/media/dvb/frontends/Makefile
index 3fa6e5d32..a646d9969 100644
--- a/linux/drivers/media/dvb/frontends/Makefile
+++ b/linux/drivers/media/dvb/frontends/Makefile
@@ -38,5 +38,6 @@ obj-$(CONFIG_DVB_ISL6421) += isl6421.o
 obj-$(CONFIG_DVB_TDA10086) += tda10086.o
 obj-$(CONFIG_DVB_TDA826X) += tda826x.o
 obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o
+obj-$(CONFIG_DVB_TUNER_QT1010) += qt1010.o
 obj-$(CONFIG_DVB_TUA6100) += tua6100.o
 obj-$(CONFIG_DVB_TUNER_LGH06XF) += lgh06xf.o
diff --git a/linux/drivers/media/dvb/frontends/qt1010.c b/linux/drivers/media/dvb/frontends/qt1010.c
new file mode 100644
index 000000000..60931f83f
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/qt1010.c
@@ -0,0 +1,455 @@
+/*
+ *  Driver for Quantek QT1010 silicon tuner
+ *
+ *  Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ *                     Aapo Tahkola <aet@rasterburn.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.
+ */
+#include "qt1010.h"
+#include "qt1010_priv.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "QT1010: " args); printk("\n"); }} while (0)
+
+/* read single register */
+static int qt1010_readreg(struct qt1010_priv *priv, u8 reg, u8 *val)
+{
+	struct i2c_msg msg[2] = {
+		{ .addr = priv->cfg->i2c_address, .flags = 0,        .buf = &reg, .len = 1 },
+		{ .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val,  .len = 1 },
+	};
+
+	if (i2c_transfer(priv->i2c, msg, 2) != 2) {
+		printk(KERN_WARNING "qt1010 I2C read failed\n");
+		return -EREMOTEIO;
+	}
+	return 0;
+}
+
+/* write single register */
+static int qt1010_writereg(struct qt1010_priv *priv, u8 reg, u8 val)
+{
+	u8 buf[2] = { reg, val };
+	struct i2c_msg msg = {
+		.addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2
+	};
+
+	if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+		printk(KERN_WARNING "qt1010 I2C write failed\n");
+		return -EREMOTEIO;
+	}
+	return 0;
+}
+
+/* dump all registers */
+static void qt1010_dump_regs(struct qt1010_priv *priv)
+{
+	char buf[52], buf2[4];
+	u8 reg, val;
+
+	for (reg = 0; ; reg++) {
+		if (reg % 16 == 0) {
+			if (reg)
+				printk("%s\n", buf);
+			sprintf(buf, "%02x: ", reg);
+		}
+		if (qt1010_readreg(priv, reg, &val) == 0)
+			sprintf(buf2, "%02x ", val);
+		else
+			strcpy(buf2, "-- ");
+		strcat(buf, buf2);
+		if (reg == 0x2f)
+			break;
+	}
+	printk("%s\n", buf);
+}
+
+static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
+{
+	struct qt1010_priv *priv;
+	int err;
+	u32 freq, div, mod1, mod2;
+	u8 i, tmpval, reg05;
+	qt1010_i2c_oper_t rd[48] = {
+		{ QT1010_WR, 0x01, 0x80 },
+		{ QT1010_WR, 0x02, 0x3f },
+		{ QT1010_WR, 0x05, 0xff }, /* 02 c write */
+		{ QT1010_WR, 0x06, 0x44 },
+		{ QT1010_WR, 0x07, 0xff }, /* 04 c write */
+		{ QT1010_WR, 0x08, 0x08 },
+		{ QT1010_WR, 0x09, 0xff }, /* 06 c write */
+		{ QT1010_WR, 0x0a, 0xff }, /* 07 c write */
+		{ QT1010_WR, 0x0b, 0xff }, /* 08 c write */
+		{ QT1010_WR, 0x0c, 0xe1 },
+		{ QT1010_WR, 0x1a, 0xff }, /* 10 c write */
+		{ QT1010_WR, 0x1b, 0x00 },
+		{ QT1010_WR, 0x1c, 0x89 },
+		{ QT1010_WR, 0x11, 0xff }, /* 13 c write */
+		{ QT1010_WR, 0x12, 0xff }, /* 14 c write */
+		{ QT1010_WR, 0x22, 0xff }, /* 15 c write */
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x1e, 0xd0 },
+		{ QT1010_RD, 0x22, 0xff }, /* 16 c read */
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_RD, 0x05, 0xff }, /* 20 c read */
+		{ QT1010_RD, 0x22, 0xff }, /* 21 c read */
+		{ QT1010_WR, 0x23, 0xd0 },
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x1e, 0xe0 },
+		{ QT1010_RD, 0x23, 0xff }, /* 25 c read */
+		{ QT1010_RD, 0x23, 0xff }, /* 26 c read */
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x24, 0xd0 },
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x1e, 0xf0 },
+		{ QT1010_RD, 0x24, 0xff }, /* 31 c read */
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x14, 0x7f },
+		{ QT1010_WR, 0x15, 0x7f },
+		{ QT1010_WR, 0x05, 0xff }, /* 35 c write */
+		{ QT1010_WR, 0x06, 0x00 },
+		{ QT1010_WR, 0x15, 0x1f },
+		{ QT1010_WR, 0x16, 0xff },
+		{ QT1010_WR, 0x18, 0xff },
+		{ QT1010_WR, 0x1f, 0xff }, /* 40 c write */
+		{ QT1010_WR, 0x20, 0xff }, /* 41 c write */
+		{ QT1010_WR, 0x21, 0x53 },
+		{ QT1010_WR, 0x25, 0xff }, /* 43 c write */
+		{ QT1010_WR, 0x26, 0x15 },
+		{ QT1010_WR, 0x00, 0xff }, /* 45 c write */
+		{ QT1010_WR, 0x02, 0x00 },
+		{ QT1010_WR, 0x01, 0x00 }
+	};
+
+#define FREQ1 32000000 /* 32 MHz */
+#define FREQ2  4000000 /* 4 MHz Quartz oscillator in the stick? */
+
+	priv = fe->tuner_priv;
+	freq = params->frequency;
+	div = (freq + QT1010_OFFSET) / QT1010_STEP;
+	freq = (div * QT1010_STEP) - QT1010_OFFSET;
+	mod1 = (freq + QT1010_OFFSET) % FREQ1;
+	mod2 = (freq + QT1010_OFFSET) % FREQ2;
+	priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
+	priv->frequency = freq;
+
+	/* reg 05 base value */
+	if      (freq < 290000000) reg05 = 0x14; /* 290 MHz */
+	else if (freq < 610000000) reg05 = 0x34; /* 610 MHz */
+	else if (freq < 802000000) reg05 = 0x54; /* 802 MHz */
+	else                       reg05 = 0x74;
+
+	/* 0x5 */
+	rd[2].val = reg05;
+
+	/* 07 - set frequency: 32 MHz scale */
+	rd[4].val = (freq + QT1010_OFFSET) / FREQ1;
+
+	/* 09 - changes every 8/24 MHz */
+	if (mod1 < 8000000) rd[6].val = 0x1d;
+	else                rd[6].val = 0x1c;
+
+	/* 0a - set frequency: 4 MHz scale (max 28 MHz) */
+	if      (mod1 < 1*FREQ2) rd[7].val = 0x09; /*  +0 MHz */
+	else if (mod1 < 2*FREQ2) rd[7].val = 0x08; /*  +4 MHz */
+	else if (mod1 < 3*FREQ2) rd[7].val = 0x0f; /*  +8 MHz */
+	else if (mod1 < 4*FREQ2) rd[7].val = 0x0e; /* +12 MHz */
+	else if (mod1 < 5*FREQ2) rd[7].val = 0x0d; /* +16 MHz */
+	else if (mod1 < 6*FREQ2) rd[7].val = 0x0c; /* +20 MHz */
+	else if (mod1 < 7*FREQ2) rd[7].val = 0x0b; /* +24 MHz */
+	else                     rd[7].val = 0x0a; /* +28 MHz */
+
+	/* 0b - changes every 2/2 MHz */
+	if (mod2 < 2000000) rd[8].val = 0x45;
+	else                rd[8].val = 0x44;
+
+	/* 1a - set frequency: 125 kHz scale (max 3875 kHz)*/
+	tmpval = 0x78; /* byte, overflows intentionally */
+	rd[10].val = tmpval-((mod2/QT1010_STEP)*0x08);
+
+	/* 11 */
+	rd[13].val = 0xfd; /* TODO: correct value calculation */
+
+	/* 12 */
+	rd[14].val = 0x91; /* TODO: correct value calculation */
+
+	/* 22 */
+	if      (freq < 450000000) rd[15].val = 0xd0; /* 450 MHz */
+	else if (freq < 482000000) rd[15].val = 0xd1; /* 482 MHz */
+	else if (freq < 514000000) rd[15].val = 0xd4; /* 514 MHz */
+	else if (freq < 546000000) rd[15].val = 0xd7; /* 546 MHz */
+	else if (freq < 610000000) rd[15].val = 0xda; /* 610 MHz */
+	else                       rd[15].val = 0xd0;
+
+	/* 05 */
+	rd[35].val = (reg05 & 0xf0);
+
+	/* 1f */
+	if      (mod1 <  8000000) tmpval = 0x00;
+	else if (mod1 < 12000000) tmpval = 0x01;
+	else if (mod1 < 16000000) tmpval = 0x02;
+	else if (mod1 < 24000000) tmpval = 0x03;
+	else if (mod1 < 28000000) tmpval = 0x04;
+	else                      tmpval = 0x05;
+	rd[40].val = (priv->reg1f_init_val + 0x0e + tmpval);
+
+	/* 20 */
+	if      (mod1 <  8000000) tmpval = 0x00;
+	else if (mod1 < 12000000) tmpval = 0x01;
+	else if (mod1 < 20000000) tmpval = 0x02;
+	else if (mod1 < 24000000) tmpval = 0x03;
+	else if (mod1 < 28000000) tmpval = 0x04;
+	else                      tmpval = 0x05;
+	rd[41].val = (priv->reg20_init_val + 0x0d + tmpval);
+
+	/* 25 */
+	rd[43].val = priv->reg25_init_val;
+
+	/* 00 */
+	rd[45].val = 0x92; /* TODO: correct value calculation */
+
+	dprintk("freq:%u 05:%02x 07:%02x 09:%02x 0a:%02x 0b:%02x 1a:%02x 11:%02x " \
+		"12:%02x 22:%02x 05:%02x 1f:%02x 20:%02x 25:%02x 00:%02x", \
+		freq, rd[2].val, rd[4].val, rd[6].val, rd[7].val, rd[8].val, \
+		rd[10].val, rd[13].val, rd[14].val, rd[15].val, rd[35].val, \
+		rd[40].val, rd[41].val, rd[43].val, rd[45].val);
+
+	for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) {
+		if (rd[i].oper == QT1010_WR) {
+			err = qt1010_writereg(priv, rd[i].reg, rd[i].val);
+		} else { /* read is required to proper locking */
+			err = qt1010_readreg(priv, rd[i].reg, &tmpval);
+		}
+		if (err) return err;
+	}
+
+	if (debug)
+		qt1010_dump_regs(priv);
+
+	return 0;
+}
+
+static int qt1010_init_meas1(struct qt1010_priv *priv, u8 oper, u8 reg, u8 reg_init_val, u8 *retval)
+{
+	u8 i, val1, val2;
+	int err;
+
+	qt1010_i2c_oper_t i2c_data[] = {
+		{ QT1010_WR, reg, reg_init_val },
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x1e, oper },
+		{ QT1010_RD, reg, 0xff }
+	};
+
+	for (i = 0; i < sizeof(i2c_data) / sizeof(*i2c_data); i++) {
+		if (i2c_data[i].oper == QT1010_WR) {
+			err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val);
+		} else {
+			err = qt1010_readreg(priv, i2c_data[i].reg, &val2);
+		}
+		if (err) return err;
+	}
+
+	do {
+		val1 = val2;
+		err = qt1010_readreg(priv, reg, &val2);
+		if (err) return err;
+		dprintk("compare reg:%02x %02x %02x", reg, val1, val2);
+	} while (val1 != val2);
+	*retval = val1;
+
+	return qt1010_writereg(priv, 0x1e, 0x00);
+}
+
+
+static u8 qt1010_init_meas2(struct qt1010_priv *priv, u8 reg_init_val, u8 *retval)
+{
+	u8 i, val;
+	int err;
+	qt1010_i2c_oper_t i2c_data[] = {
+		{ QT1010_WR, 0x07, reg_init_val },
+		{ QT1010_WR, 0x22, 0xd0 },
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x1e, 0xd0 },
+		{ QT1010_RD, 0x22, 0xff },
+		{ QT1010_WR, 0x1e, 0x00 },
+		{ QT1010_WR, 0x22, 0xff }
+	};
+	for (i = 0; i < sizeof(i2c_data) / sizeof(*i2c_data); i++) {
+		if (i2c_data[i].oper == QT1010_WR) {
+			err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val);
+		} else {
+			err = qt1010_readreg(priv, i2c_data[i].reg, &val);
+		}
+		if (err) return err;
+	}
+	*retval = val;
+	return 0;
+}
+
+static int qt1010_init(struct dvb_frontend *fe)
+{
+	struct qt1010_priv *priv = fe->tuner_priv;
+	struct dvb_frontend_parameters params;
+	int err;
+	u8 i, tmpval, *valptr = NULL;
+
+	qt1010_i2c_oper_t i2c_data[] = {
+		{ QT1010_WR, 0x01, 0x80 },
+		{ QT1010_WR, 0x0d, 0x84 },
+		{ QT1010_WR, 0x0e, 0xb7 },
+		{ QT1010_WR, 0x2a, 0x23 },
+		{ QT1010_WR, 0x2c, 0xdc },
+		{ QT1010_M1, 0x25, 0x40 }, /* get reg 25 init value */
+		{ QT1010_M1, 0x81, 0xff }, /* get reg 25 init value */
+		{ QT1010_WR, 0x2b, 0x70 },
+		{ QT1010_WR, 0x2a, 0x23 },
+		{ QT1010_M1, 0x26, 0x08 },
+		{ QT1010_M1, 0x82, 0xff },
+		{ QT1010_WR, 0x05, 0x14 },
+		{ QT1010_WR, 0x06, 0x44 },
+		{ QT1010_WR, 0x07, 0x28 },
+		{ QT1010_WR, 0x08, 0x0b },
+		{ QT1010_WR, 0x11, 0xfd },
+		{ QT1010_M1, 0x22, 0x0d },
+		{ QT1010_M1, 0xd0, 0xff },
+		{ QT1010_WR, 0x06, 0x40 },
+		{ QT1010_WR, 0x16, 0xf0 },
+		{ QT1010_WR, 0x02, 0x38 },
+		{ QT1010_WR, 0x03, 0x18 },
+		{ QT1010_WR, 0x20, 0xe0 },
+		{ QT1010_M1, 0x1f, 0x20 }, /* get reg 1f init value */
+		{ QT1010_M1, 0x84, 0xff }, /* get reg 1f init value */
+		{ QT1010_RD, 0x20, 0x20 }, /* get reg 20 init value */
+		{ QT1010_WR, 0x03, 0x19 },
+		{ QT1010_WR, 0x02, 0x3f },
+		{ QT1010_WR, 0x21, 0x53 },
+		{ QT1010_RD, 0x21, 0xff },
+		{ QT1010_WR, 0x11, 0xfd },
+		{ QT1010_WR, 0x05, 0x34 },
+		{ QT1010_WR, 0x06, 0x44 },
+		{ QT1010_WR, 0x08, 0x08 }
+	};
+
+	for (i = 0; i < sizeof(i2c_data) / sizeof(*i2c_data); i++) {
+		switch (i2c_data[i].oper) {
+		case QT1010_WR:
+			err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val);
+			break;
+		case QT1010_RD:
+			if (i2c_data[i].val == 0x20) valptr = &priv->reg20_init_val;
+			else valptr = &tmpval;
+			err = qt1010_readreg(priv, i2c_data[i].reg, valptr);
+			break;
+		case QT1010_M1:
+			if (i2c_data[i].val == 0x25) valptr = &priv->reg25_init_val;
+			else if (i2c_data[i].val == 0x1f) valptr = &priv->reg1f_init_val;
+			else valptr = &tmpval;
+			err = qt1010_init_meas1(priv, i2c_data[i+1].reg, i2c_data[i].reg,
+						      i2c_data[i].val, valptr);
+			i++;
+			break;
+		}
+		if (err) return err;
+	}
+
+	for (i = 0x31; i < 0x3a; i++) /* 0x31 - 0x39 */
+		if ((err = qt1010_init_meas2(priv, i, &tmpval)))
+			return err;
+
+	params.frequency = 545000000; /* Sigmatek DVB-110 545000000 */
+				      /* MSI Megasky 580 GL861 533000000 */
+	return qt1010_set_params(fe, &params);
+}
+
+static int qt1010_release(struct dvb_frontend *fe)
+{
+	kfree(fe->tuner_priv);
+	fe->tuner_priv = NULL;
+	return 0;
+}
+
+static int qt1010_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+	struct qt1010_priv *priv = fe->tuner_priv;
+	*frequency = priv->frequency;
+	return 0;
+}
+
+static int qt1010_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
+{
+	struct qt1010_priv *priv = fe->tuner_priv;
+	*bandwidth = priv->bandwidth;
+	return 0;
+}
+
+static const struct dvb_tuner_ops qt1010_tuner_ops = {
+	.info = {
+		.name           = "Quantek QT1010",
+		.frequency_min  = QT1010_MIN_FREQ,
+		.frequency_max  = QT1010_MAX_FREQ,
+		.frequency_step = QT1010_STEP,
+	},
+
+	.release       = qt1010_release,
+	.init          = qt1010_init,
+	/* TODO: implement sleep */
+
+	.set_params    = qt1010_set_params,
+	.get_frequency = qt1010_get_frequency,
+	.get_bandwidth = qt1010_get_bandwidth
+};
+
+struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe,
+				    struct i2c_adapter *i2c,
+				    struct qt1010_config *cfg)
+{
+	struct qt1010_priv *priv = NULL;
+	u8 id;
+
+	priv = kzalloc(sizeof(struct qt1010_priv), GFP_KERNEL);
+	if (priv == NULL)
+		return NULL;
+
+	priv->cfg      = cfg;
+	priv->i2c      = i2c;
+
+#if 0
+	qt1010_dump_regs(priv);
+#endif
+
+	/* Try to detect tuner chip. Probably this is not correct register. */
+	if (qt1010_readreg(priv, 0x29, &id) != 0 || (id != 0x39)) {
+		kfree(priv);
+		return NULL;
+	}
+
+	printk(KERN_INFO "Quantek QT1010 successfully identified.\n");
+	memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops, sizeof(struct dvb_tuner_ops));
+
+	fe->tuner_priv = priv;
+	return fe;
+}
+EXPORT_SYMBOL(qt1010_attach);
+
+MODULE_DESCRIPTION("Quantek QT1010 silicon tuner driver");
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
diff --git a/linux/drivers/media/dvb/frontends/qt1010.h b/linux/drivers/media/dvb/frontends/qt1010.h
new file mode 100644
index 000000000..3ab4aa045
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/qt1010.h
@@ -0,0 +1,53 @@
+/*
+ *  Driver for Quantek QT1010 silicon tuner
+ *
+ *  Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ *                     Aapo Tahkola <aet@rasterburn.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 QT1010_H
+#define QT1010_H
+
+#include "dvb_frontend.h"
+
+struct qt1010_config {
+	u8 i2c_address;
+};
+
+/**
+ * Attach a qt1010 tuner to the supplied frontend structure.
+ *
+ * @param fe   frontend to attach to
+ * @param i2c  i2c adapter to use
+ * @param cfg  tuner hw based configuration
+ * @return fe  pointer on success, NULL on failure
+ */
+#if defined(CONFIG_DVB_TUNER_QT1010) || (defined(CONFIG_DVB_TUNER_QT1010_MODULE) && defined(MODULE))
+extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
+					  struct i2c_adapter *i2c,
+					  struct qt1010_config *cfg);
+#else
+static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
+						 struct i2c_adapter *i2c,
+						 struct qt1010_config *cfg)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	return NULL;
+}
+#endif // CONFIG_DVB_TUNER_QT1010
+
+#endif
diff --git a/linux/drivers/media/dvb/frontends/qt1010_priv.h b/linux/drivers/media/dvb/frontends/qt1010_priv.h
new file mode 100644
index 000000000..090cf475f
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/qt1010_priv.h
@@ -0,0 +1,105 @@
+/*
+ *  Driver for Quantek QT1010 silicon tuner
+ *
+ *  Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ *                     Aapo Tahkola <aet@rasterburn.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 QT1010_PRIV_H
+#define QT1010_PRIV_H
+
+/*
+reg def meaning
+=== === =======
+00  00  ?
+01  a0  ? operation start/stop; start=80, stop=00
+02  00  ?
+03  19  ?
+04  00  ?
+05  00  ? maybe band selection
+06  00  ?
+07  2b  set frequency: 32 MHz scale, n*32 MHz
+08  0b  ?
+09  10  ? changes every 8/24 MHz; values 1d/1c
+0a  08  set frequency: 4 MHz scale, n*4 MHz
+0b  41  ? changes every 2/2 MHz; values 45/45
+0c  e1  ?
+0d  94  ?
+0e  b6  ?
+0f  2c  ?
+10  10  ?
+11  f1  ? maybe device specified adjustment
+12  11  ? maybe device specified adjustment
+13  3f  ?
+14  1f  ?
+15  3f  ?
+16  ff  ?
+17  ff  ?
+18  f7  ?
+19  80  ?
+1a  d0  set frequency: 125 kHz scale, n*125 kHz
+1b  00  ?
+1c  89  ?
+1d  00  ?
+1e  00  ? looks like operation register; write cmd here, read result from 1f-26
+1f  20  ? chip initialization
+20  e0  ? chip initialization
+21  20  ?
+22  d0  ?
+23  d0  ?
+24  d0  ?
+25  40  ? chip initialization
+26  08  ?
+27  29  ?
+28  55  ?
+29  39  ?
+2a  13  ?
+2b  01  ?
+2c  ea  ?
+2d  00  ?
+2e  00  ? not used?
+2f  00  ? not used?
+*/
+
+#define QT1010_STEP         125000 /*  125 kHz used by Windows drivers,
+				      hw could be more precise but we don't
+				      know how to use */
+#define QT1010_MIN_FREQ   48000000 /*   48 MHz */
+#define QT1010_MAX_FREQ  860000000 /*  860 MHz */
+#define QT1010_OFFSET   1246000000 /* 1246 MHz */
+
+#define QT1010_WR 0
+#define QT1010_RD 1
+#define QT1010_M1 3
+
+typedef struct {
+	u8 oper, reg, val;
+} qt1010_i2c_oper_t;
+
+struct qt1010_priv {
+	struct qt1010_config *cfg;
+	struct i2c_adapter   *i2c;
+
+	u8 reg1f_init_val;
+	u8 reg20_init_val;
+	u8 reg25_init_val;
+
+	u32 frequency;
+	u32 bandwidth;
+};
+
+#endif
diff --git a/v4l/versions.txt b/v4l/versions.txt
index 3d1a14a7e..85bc48eef 100644
--- a/v4l/versions.txt
+++ b/v4l/versions.txt
@@ -111,6 +111,7 @@ DVB_USB_DIBUSB_MB_FAULTY
 DVB_USB_DIBUSB_MC
 DVB_USB_UMT_010
 DVB_USB_CXUSB
+DVB_USB_M920X
 DVB_USB_DIGITV
 DVB_USB_VP7045
 DVB_USB_VP702X