Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1274 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c
new file mode 100644
index 000000000..3b2a0f36f
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/m920x.c
@@ -0,0 +1,1274 @@
+/* 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/media/dvb-drivers/dvb-usb.rst for more information
+ */
+
+#include "m920x.h"
+
+#include "mt352.h"
+#include "mt352_priv.h"
+#include "qt1010.h"
+#include "tda1004x.h"
+#include "tda827x.h"
+#include "mt2060.h"
+
+#include <media/tuner.h>
+#include "tuner-simple.h"
+#include <asm/unaligned.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);
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid);
+
+static inline int m920x_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) {
+		printk(KERN_INFO "m920x_read = error: %d\n", ret);
+		return ret;
+	}
+
+	if (ret != size) {
+		deb("m920x_read = no data\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static inline int m920x_write(struct usb_device *udev, u8 request,
+			      u16 value, u16 index)
+{
+	return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request,
+			       USB_TYPE_VENDOR | USB_DIR_OUT, value, index,
+			       NULL, 0, 2000);
+}
+
+static inline int m920x_write_seq(struct usb_device *udev, u8 request,
+				  struct m920x_inits *seq)
+{
+	int ret;
+	do {
+		ret = m920x_write(udev, request, seq->data, seq->address);
+		if (ret != 0)
+			return ret;
+
+		seq++;
+	} while (seq->address);
+
+	return 0;
+}
+
+static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
+{
+	int ret, i, epi, flags = 0;
+	int adap_enabled[M9206_MAX_ADAPTERS] = { 0 };
+
+	/* Remote controller init. */
+	if (d->props.rc.legacy.rc_query || d->props.rc.core.rc_query) {
+		deb("Initialising remote control\n");
+		ret = m920x_write_seq(d->udev, M9206_CORE, rc_seq);
+		if (ret != 0) {
+			deb("Initialising remote control failed\n");
+			return ret;
+		}
+
+		deb("Initialising remote control success\n");
+	}
+
+	for (i = 0; i < d->props.num_adapters; i++)
+		flags |= d->adapter[i].props.fe[0].caps;
+
+	/* Some devices(Dposh) might crash if we attempt touch at all. */
+	if (flags & DVB_USB_ADAP_HAS_PID_FILTER) {
+		for (i = 0; i < d->props.num_adapters; i++) {
+			epi = d->adapter[i].props.fe[0].stream.endpoint - 0x81;
+
+			if (epi < 0 || epi >= M9206_MAX_ADAPTERS) {
+				printk(KERN_INFO "m920x: Unexpected adapter endpoint!\n");
+				return -EINVAL;
+			}
+
+			adap_enabled[epi] = 1;
+		}
+
+		for (i = 0; i < M9206_MAX_ADAPTERS; i++) {
+			if (adap_enabled[i])
+				continue;
+
+			if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x0)) != 0)
+				return ret;
+
+			if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x02f5)) != 0)
+				return ret;
+		}
+	}
+
+	return 0;
+}
+
+static int m920x_init_ep(struct usb_interface *intf)
+{
+	struct usb_device *udev = interface_to_usbdev(intf);
+	struct usb_host_interface *alt;
+
+	if ((alt = usb_altnum_to_altsetting(intf, 1)) == NULL) {
+		deb("No alt found!\n");
+		return -ENODEV;
+	}
+
+	return usb_set_interface(udev, alt->desc.bInterfaceNumber,
+				 alt->desc.bAlternateSetting);
+}
+
+static inline void m920x_parse_rc_state(struct dvb_usb_device *d, u8 rc_state,
+					int *state)
+{
+	struct m920x_state *m = d->priv;
+
+	switch (rc_state) {
+	case 0x80:
+		*state = REMOTE_NO_KEY_PRESSED;
+		break;
+
+	case 0x88: /* framing error or "invalid code" */
+	case 0x99:
+	case 0xc0:
+	case 0xd8:
+		*state = REMOTE_NO_KEY_PRESSED;
+		m->rep_count = 0;
+		break;
+
+	case 0x93:
+	case 0x92:
+	case 0x83: /* pinnacle PCTV310e */
+	case 0x82:
+		m->rep_count = 0;
+		*state = REMOTE_KEY_PRESSED;
+		break;
+
+	case 0x91:
+	case 0x81: /* pinnacle PCTV310e */
+		/* prevent immediate auto-repeat */
+		if (++m->rep_count > 2)
+			*state = REMOTE_KEY_REPEAT;
+		else
+			*state = REMOTE_NO_KEY_PRESSED;
+		break;
+
+	default:
+		deb("Unexpected rc state %02x\n", rc_state);
+		*state = REMOTE_NO_KEY_PRESSED;
+		break;
+	}
+}
+
+static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	int i, ret = 0;
+	u8 *rc_state;
+
+	rc_state = kmalloc(2, GFP_KERNEL);
+	if (!rc_state)
+		return -ENOMEM;
+
+	ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE,
+			 rc_state, 1);
+	if (ret != 0)
+		goto out;
+
+	ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY,
+			 rc_state + 1, 1);
+	if (ret != 0)
+		goto out;
+
+	m920x_parse_rc_state(d, rc_state[0], state);
+
+	for (i = 0; i < d->props.rc.legacy.rc_map_size; i++)
+		if (rc5_data(&d->props.rc.legacy.rc_map_table[i]) == rc_state[1]) {
+			*event = d->props.rc.legacy.rc_map_table[i].keycode;
+			goto out;
+		}
+
+	if (rc_state[1] != 0)
+		deb("Unknown rc key %02x\n", rc_state[1]);
+
+	*state = REMOTE_NO_KEY_PRESSED;
+
+ out:
+	kfree(rc_state);
+	return ret;
+}
+
+static int m920x_rc_core_query(struct dvb_usb_device *d)
+{
+	int ret = 0;
+	u8 *rc_state;
+	int state;
+
+	rc_state = kmalloc(2, GFP_KERNEL);
+	if (!rc_state)
+		return -ENOMEM;
+
+	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, &rc_state[0], 1)) != 0)
+		goto out;
+
+	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, &rc_state[1], 1)) != 0)
+		goto out;
+
+	deb("state=0x%02x keycode=0x%02x\n", rc_state[0], rc_state[1]);
+
+	m920x_parse_rc_state(d, rc_state[0], &state);
+
+	if (state == REMOTE_NO_KEY_PRESSED)
+		rc_keyup(d->rc_dev);
+	else if (state == REMOTE_KEY_REPEAT)
+		rc_repeat(d->rc_dev);
+	else
+		rc_keydown(d->rc_dev, RC_PROTO_UNKNOWN, rc_state[1], 0);
+
+out:
+	kfree(rc_state);
+	return ret;
+}
+
+/* I2C */
+static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int i, j;
+	int ret = 0;
+
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	for (i = 0; i < num; i++) {
+		if (msg[i].flags & (I2C_M_NO_RD_ACK | I2C_M_IGNORE_NAK | I2C_M_TEN) || msg[i].len == 0) {
+			/* For a 0 byte message, I think sending the address
+			 * to index 0x80|0x40 would be the correct thing to
+			 * do.  However, zero byte messages are only used for
+			 * probing, and since we don't know how to get the
+			 * slave's ack, we can't probe. */
+			ret = -ENOTSUPP;
+			goto unlock;
+		}
+		/* Send START & address/RW bit */
+		if (!(msg[i].flags & I2C_M_NOSTART)) {
+			if ((ret = m920x_write(d->udev, M9206_I2C,
+					(msg[i].addr << 1) |
+					(msg[i].flags & I2C_M_RD ? 0x01 : 0), 0x80)) != 0)
+				goto unlock;
+			/* Should check for ack here, if we knew how. */
+		}
+		if (msg[i].flags & I2C_M_RD) {
+			char *read = kmalloc(1, GFP_KERNEL);
+			if (!read) {
+				ret = -ENOMEM;
+				kfree(read);
+				goto unlock;
+			}
+
+			for (j = 0; j < msg[i].len; j++) {
+				/* Last byte of transaction?
+				 * Send STOP, otherwise send ACK. */
+				int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x01;
+
+				if ((ret = m920x_read(d->udev, M9206_I2C, 0x0,
+						      0x20 | stop,
+						      read, 1)) != 0)
+					goto unlock;
+				msg[i].buf[j] = read[0];
+			}
+
+			kfree(read);
+		} else {
+			for (j = 0; j < msg[i].len; j++) {
+				/* Last byte of transaction? Then send STOP. */
+				int stop = (i+1 == num && j+1 == msg[i].len) ? 0x40 : 0x00;
+
+				if ((ret = m920x_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)
+					goto unlock;
+				/* Should check for ack here too. */
+			}
+		}
+	}
+	ret = num;
+
+ unlock:
+	mutex_unlock(&d->i2c_mutex);
+
+	return ret;
+}
+
+static u32 m920x_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm m920x_i2c_algo = {
+	.master_xfer   = m920x_i2c_xfer,
+	.functionality = m920x_i2c_func,
+};
+
+/* pid filter */
+static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid)
+{
+	int ret = 0;
+
+	if (pid >= 0x8000)
+		return -EINVAL;
+
+	pid |= 0x8000;
+
+	if ((ret = m920x_write(d->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
+		return ret;
+
+	if ((ret = m920x_write(d->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
+		return ret;
+
+	return ret;
+}
+
+static int m920x_update_filters(struct dvb_usb_adapter *adap)
+{
+	struct m920x_state *m = adap->dev->priv;
+	int enabled = m->filtering_enabled[adap->id];
+	int i, ret = 0, filter = 0;
+	int ep = adap->props.fe[0].stream.endpoint;
+
+	for (i = 0; i < M9206_MAX_FILTERS; i++)
+		if (m->filters[adap->id][i] == 8192)
+			enabled = 0;
+
+	/* Disable all filters */
+	if ((ret = m920x_set_filter(adap->dev, ep, 1, enabled)) != 0)
+		return ret;
+
+	for (i = 0; i < M9206_MAX_FILTERS; i++)
+		if ((ret = m920x_set_filter(adap->dev, ep, i + 2, 0)) != 0)
+			return ret;
+
+	/* Set */
+	if (enabled) {
+		for (i = 0; i < M9206_MAX_FILTERS; i++) {
+			if (m->filters[adap->id][i] == 0)
+				continue;
+
+			if ((ret = m920x_set_filter(adap->dev, ep, filter + 2, m->filters[adap->id][i])) != 0)
+				return ret;
+
+			filter++;
+		}
+	}
+
+	return ret;
+}
+
+static int m920x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	struct m920x_state *m = adap->dev->priv;
+
+	m->filtering_enabled[adap->id] = onoff ? 1 : 0;
+
+	return m920x_update_filters(adap);
+}
+
+static int m920x_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
+{
+	struct m920x_state *m = adap->dev->priv;
+
+	m->filters[adap->id][index] = onoff ? pid : 0;
+
+	return m920x_update_filters(adap);
+}
+
+static int m920x_firmware_download(struct usb_device *udev, const struct firmware *fw)
+{
+	u16 value, index, size;
+	u8 *read, *buff;
+	int i, pass, ret = 0;
+
+	buff = kmalloc(65536, GFP_KERNEL);
+	if (buff == NULL)
+		return -ENOMEM;
+
+	read = kmalloc(4, GFP_KERNEL);
+	if (!read) {
+		kfree(buff);
+		return -ENOMEM;
+	}
+
+	if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
+		goto done;
+	deb("%*ph\n", 4, read);
+
+	if ((ret = m920x_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
+		goto done;
+	deb("%x\n", read[0]);
+
+	for (pass = 0; pass < 2; pass++) {
+		for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
+			value = get_unaligned_le16(fw->data + i);
+			i += sizeof(u16);
+
+			index = get_unaligned_le16(fw->data + i);
+			i += sizeof(u16);
+
+			size = get_unaligned_le16(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("error while uploading fw!\n");
+					ret = -EIO;
+					goto done;
+				}
+				msleep(3);
+			}
+			i += size;
+		}
+		if (i != fw->size) {
+			deb("bad firmware file!\n");
+			ret = -EINVAL;
+			goto done;
+		}
+	}
+
+	msleep(36);
+
+	/* m920x will disconnect itself from the bus after this. */
+	(void) m920x_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
+	deb("firmware uploaded!\n");
+
+ done:
+	kfree(read);
+	kfree(buff);
+
+	return ret;
+}
+
+/* Callbacks for DVB USB */
+static int m920x_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;
+}
+
+/* demod configurations */
+static int m920x_mt352_demod_init(struct dvb_frontend *fe)
+{
+	int ret;
+	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 };
+
+	deb("Demod init!\n");
+
+	if ((ret = mt352_write(fe, config, ARRAY_SIZE(config))) != 0)
+		return ret;
+	if ((ret = mt352_write(fe, clock, ARRAY_SIZE(clock))) != 0)
+		return ret;
+	if ((ret = mt352_write(fe, reset, ARRAY_SIZE(reset))) != 0)
+		return ret;
+	if ((ret = mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl))) != 0)
+		return ret;
+	if ((ret = mt352_write(fe, agc, ARRAY_SIZE(agc))) != 0)
+		return ret;
+	if ((ret = mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc))) != 0)
+		return ret;
+	if ((ret = mt352_write(fe, unk1, ARRAY_SIZE(unk1))) != 0)
+		return ret;
+	if ((ret = mt352_write(fe, unk2, ARRAY_SIZE(unk2))) != 0)
+		return ret;
+
+	return 0;
+}
+
+static struct mt352_config m920x_mt352_config = {
+	.demod_address = 0x0f,
+	.no_tuner = 1,
+	.demod_init = m920x_mt352_demod_init,
+};
+
+static struct tda1004x_config m920x_tda10046_08_config = {
+	.demod_address = 0x08,
+	.invert = 0,
+	.invert_oclk = 0,
+	.ts_mode = TDA10046_TS_SERIAL,
+	.xtal_freq = TDA10046_XTAL_16M,
+	.if_freq = TDA10046_FREQ_045,
+	.agc_config = TDA10046_AGC_TDA827X,
+	.gpio_config = TDA10046_GPTRI,
+	.request_firmware = NULL,
+};
+
+static struct tda1004x_config m920x_tda10046_0b_config = {
+	.demod_address = 0x0b,
+	.invert = 0,
+	.invert_oclk = 0,
+	.ts_mode = TDA10046_TS_SERIAL,
+	.xtal_freq = TDA10046_XTAL_16M,
+	.if_freq = TDA10046_FREQ_045,
+	.agc_config = TDA10046_AGC_TDA827X,
+	.gpio_config = TDA10046_GPTRI,
+	.request_firmware = NULL, /* uses firmware EEPROM */
+};
+
+/* tuner configurations */
+static struct qt1010_config m920x_qt1010_config = {
+	.i2c_address = 0x62
+};
+
+static struct mt2060_config m920x_mt2060_config = {
+	.i2c_address = 0x60, /* 0xc0 */
+	.clock_out = 0,
+};
+
+
+/* Callbacks for DVB USB */
+static int m920x_mt352_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__func__);
+
+	adap->fe_adap[0].fe = dvb_attach(mt352_attach,
+					 &m920x_mt352_config,
+					 &adap->dev->i2c_adap);
+	if ((adap->fe_adap[0].fe) == NULL)
+		return -EIO;
+
+	return 0;
+}
+
+static int m920x_mt352_frontend_attach_vp7049(struct dvb_usb_adapter *adap)
+{
+	struct m920x_inits vp7049_fe_init_seq[] = {
+		/* XXX without these commands the frontend cannot be detected,
+		 * they must be sent BEFORE the frontend is attached */
+		{ 0xff28,         0x00 },
+		{ 0xff23,         0x00 },
+		{ 0xff28,         0x00 },
+		{ 0xff23,         0x00 },
+		{ 0xff21,         0x20 },
+		{ 0xff21,         0x60 },
+		{ 0xff28,         0x00 },
+		{ 0xff22,         0x00 },
+		{ 0xff20,         0x30 },
+		{ 0xff20,         0x20 },
+		{ 0xff20,         0x30 },
+		{ } /* terminating entry */
+	};
+	int ret;
+
+	deb("%s\n", __func__);
+
+	ret = m920x_write_seq(adap->dev->udev, M9206_CORE, vp7049_fe_init_seq);
+	if (ret != 0) {
+		deb("Initialization of vp7049 frontend failed.");
+		return ret;
+	}
+
+	return m920x_mt352_frontend_attach(adap);
+}
+
+static int m920x_tda10046_08_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__func__);
+
+	adap->fe_adap[0].fe = dvb_attach(tda10046_attach,
+					 &m920x_tda10046_08_config,
+					 &adap->dev->i2c_adap);
+	if ((adap->fe_adap[0].fe) == NULL)
+		return -EIO;
+
+	return 0;
+}
+
+static int m920x_tda10046_0b_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__func__);
+
+	adap->fe_adap[0].fe = dvb_attach(tda10046_attach,
+					 &m920x_tda10046_0b_config,
+					 &adap->dev->i2c_adap);
+	if ((adap->fe_adap[0].fe) == NULL)
+		return -EIO;
+
+	return 0;
+}
+
+static int m920x_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__func__);
+
+	if (dvb_attach(qt1010_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap, &m920x_qt1010_config) == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int m920x_tda8275_60_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__func__);
+
+	if (dvb_attach(tda827x_attach, adap->fe_adap[0].fe, 0x60, &adap->dev->i2c_adap, NULL) == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int m920x_tda8275_61_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n",__func__);
+
+	if (dvb_attach(tda827x_attach, adap->fe_adap[0].fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int m920x_fmd1216me_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	dvb_attach(simple_tuner_attach, adap->fe_adap[0].fe,
+		   &adap->dev->i2c_adap, 0x61,
+		   TUNER_PHILIPS_FMD1216ME_MK3);
+	return 0;
+}
+
+static int m920x_mt2060_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	deb("%s\n", __func__);
+
+	if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap,
+		       &m920x_mt2060_config, 1220) == NULL)
+		return -ENODEV;
+
+	return 0;
+}
+
+
+/* device-specific initialization */
+static struct m920x_inits megasky_rc_init [] = {
+	{ M9206_RC_INIT2, 0xa8 },
+	{ M9206_RC_INIT1, 0x51 },
+	{ } /* terminating entry */
+};
+
+static struct m920x_inits tvwalkertwin_rc_init [] = {
+	{ M9206_RC_INIT2, 0x00 },
+	{ M9206_RC_INIT1, 0xef },
+	{ 0xff28,         0x00 },
+	{ 0xff23,         0x00 },
+	{ 0xff21,         0x30 },
+	{ } /* terminating entry */
+};
+
+static struct m920x_inits pinnacle310e_init[] = {
+	/* without these the tuner doesn't work */
+	{ 0xff20,         0x9b },
+	{ 0xff22,         0x70 },
+
+	/* rc settings */
+	{ 0xff50,         0x80 },
+	{ M9206_RC_INIT1, 0x00 },
+	{ M9206_RC_INIT2, 0xff },
+	{ } /* terminating entry */
+};
+
+static struct m920x_inits vp7049_rc_init[] = {
+	{ 0xff28,         0x00 },
+	{ 0xff23,         0x00 },
+	{ 0xff21,         0x70 },
+	{ M9206_RC_INIT2, 0x00 },
+	{ M9206_RC_INIT1, 0xff },
+	{ } /* terminating entry */
+};
+
+/* ir keymaps */
+static struct rc_map_table rc_map_megasky_table[] = {
+	{ 0x0012, KEY_POWER },
+	{ 0x001e, KEY_CYCLEWINDOWS }, /* min/max */
+	{ 0x0002, KEY_CHANNELUP },
+	{ 0x0005, KEY_CHANNELDOWN },
+	{ 0x0003, KEY_VOLUMEUP },
+	{ 0x0006, KEY_VOLUMEDOWN },
+	{ 0x0004, KEY_MUTE },
+	{ 0x0007, KEY_OK }, /* TS */
+	{ 0x0008, KEY_STOP },
+	{ 0x0009, KEY_MENU }, /* swap */
+	{ 0x000a, KEY_REWIND },
+	{ 0x001b, KEY_PAUSE },
+	{ 0x001f, KEY_FASTFORWARD },
+	{ 0x000c, KEY_RECORD },
+	{ 0x000d, KEY_CAMERA }, /* screenshot */
+	{ 0x000e, KEY_COFFEE }, /* "MTS" */
+};
+
+static struct rc_map_table rc_map_tvwalkertwin_table[] = {
+	{ 0x0001, KEY_ZOOM }, /* Full Screen */
+	{ 0x0002, KEY_CAMERA }, /* snapshot */
+	{ 0x0003, KEY_MUTE },
+	{ 0x0004, KEY_REWIND },
+	{ 0x0005, KEY_PLAYPAUSE }, /* Play/Pause */
+	{ 0x0006, KEY_FASTFORWARD },
+	{ 0x0007, KEY_RECORD },
+	{ 0x0008, KEY_STOP },
+	{ 0x0009, KEY_TIME }, /* Timeshift */
+	{ 0x000c, KEY_COFFEE }, /* Recall */
+	{ 0x000e, KEY_CHANNELUP },
+	{ 0x0012, KEY_POWER },
+	{ 0x0015, KEY_MENU }, /* source */
+	{ 0x0018, KEY_CYCLEWINDOWS }, /* TWIN PIP */
+	{ 0x001a, KEY_CHANNELDOWN },
+	{ 0x001b, KEY_VOLUMEDOWN },
+	{ 0x001e, KEY_VOLUMEUP },
+};
+
+static struct rc_map_table rc_map_pinnacle310e_table[] = {
+	{ 0x16, KEY_POWER },
+	{ 0x17, KEY_FAVORITES },
+	{ 0x0f, KEY_TEXT },
+	{ 0x48, KEY_PROGRAM },		/* preview */
+	{ 0x1c, KEY_EPG },
+	{ 0x04, KEY_LIST },		/* record list */
+	{ 0x03, KEY_1 },
+	{ 0x01, KEY_2 },
+	{ 0x06, KEY_3 },
+	{ 0x09, KEY_4 },
+	{ 0x1d, KEY_5 },
+	{ 0x1f, KEY_6 },
+	{ 0x0d, KEY_7 },
+	{ 0x19, KEY_8 },
+	{ 0x1b, KEY_9 },
+	{ 0x15, KEY_0 },
+	{ 0x0c, KEY_CANCEL },
+	{ 0x4a, KEY_CLEAR },
+	{ 0x13, KEY_BACK },
+	{ 0x00, KEY_TAB },
+	{ 0x4b, KEY_UP },
+	{ 0x4e, KEY_LEFT },
+	{ 0x52, KEY_RIGHT },
+	{ 0x51, KEY_DOWN },
+	{ 0x4f, KEY_ENTER },		/* could also be KEY_OK */
+	{ 0x1e, KEY_VOLUMEUP },
+	{ 0x0a, KEY_VOLUMEDOWN },
+	{ 0x05, KEY_CHANNELUP },
+	{ 0x02, KEY_CHANNELDOWN },
+	{ 0x11, KEY_RECORD },
+	{ 0x14, KEY_PLAY },
+	{ 0x4c, KEY_PAUSE },
+	{ 0x1a, KEY_STOP },
+	{ 0x40, KEY_REWIND },
+	{ 0x12, KEY_FASTFORWARD },
+	{ 0x41, KEY_PREVIOUSSONG },	/* Replay */
+	{ 0x42, KEY_NEXTSONG },		/* Skip */
+	{ 0x54, KEY_CAMERA },		/* Capture */
+/*	{ 0x50, KEY_SAP },	*/		/* Sap */
+	{ 0x47, KEY_CYCLEWINDOWS },	/* Pip */
+	{ 0x4d, KEY_SCREEN },		/* FullScreen */
+	{ 0x08, KEY_SUBTITLE },
+	{ 0x0e, KEY_MUTE },
+/*	{ 0x49, KEY_LR },	*/		/* L/R */
+	{ 0x07, KEY_SLEEP },		/* Hibernate */
+	{ 0x08, KEY_VIDEO },		/* A/V */
+	{ 0x0e, KEY_MENU },		/* Recall */
+	{ 0x45, KEY_ZOOMIN },
+	{ 0x46, KEY_ZOOMOUT },
+	{ 0x18, KEY_RED },		/* Red */
+	{ 0x53, KEY_GREEN },		/* Green */
+	{ 0x5e, KEY_YELLOW },		/* Yellow */
+	{ 0x5f, KEY_BLUE },		/* Blue */
+};
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties megasky_properties;
+static struct dvb_usb_device_properties digivox_mini_ii_properties;
+static struct dvb_usb_device_properties tvwalkertwin_properties;
+static struct dvb_usb_device_properties dposh_properties;
+static struct dvb_usb_device_properties pinnacle_pctv310e_properties;
+static struct dvb_usb_device_properties vp7049_properties;
+
+static int m920x_probe(struct usb_interface *intf,
+		       const struct usb_device_id *id)
+{
+	struct dvb_usb_device *d = NULL;
+	int ret;
+	struct m920x_inits *rc_init_seq = NULL;
+	int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
+
+	deb("Probing for m920x device at interface %d\n", bInterfaceNumber);
+
+	if (bInterfaceNumber == 0) {
+		/* Single-tuner device, or first interface on
+		 * multi-tuner device
+		 */
+
+		ret = dvb_usb_device_init(intf, &megasky_properties,
+					  THIS_MODULE, &d, adapter_nr);
+		if (ret == 0) {
+			rc_init_seq = megasky_rc_init;
+			goto found;
+		}
+
+		ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties,
+					  THIS_MODULE, &d, adapter_nr);
+		if (ret == 0) {
+			/* No remote control, so no rc_init_seq */
+			goto found;
+		}
+
+		/* This configures both tuners on the TV Walker Twin */
+		ret = dvb_usb_device_init(intf, &tvwalkertwin_properties,
+					  THIS_MODULE, &d, adapter_nr);
+		if (ret == 0) {
+			rc_init_seq = tvwalkertwin_rc_init;
+			goto found;
+		}
+
+		ret = dvb_usb_device_init(intf, &dposh_properties,
+					  THIS_MODULE, &d, adapter_nr);
+		if (ret == 0) {
+			/* Remote controller not supported yet. */
+			goto found;
+		}
+
+		ret = dvb_usb_device_init(intf, &pinnacle_pctv310e_properties,
+					  THIS_MODULE, &d, adapter_nr);
+		if (ret == 0) {
+			rc_init_seq = pinnacle310e_init;
+			goto found;
+		}
+
+		ret = dvb_usb_device_init(intf, &vp7049_properties,
+					  THIS_MODULE, &d, adapter_nr);
+		if (ret == 0) {
+			rc_init_seq = vp7049_rc_init;
+			goto found;
+		}
+
+		return ret;
+	} else {
+		/* Another interface on a multi-tuner device */
+
+		/* The LifeView TV Walker Twin gets here, but struct
+		 * tvwalkertwin_properties already configured both
+		 * tuners, so there is nothing for us to do here
+		 */
+	}
+
+ found:
+	if ((ret = m920x_init_ep(intf)) < 0)
+		return ret;
+
+	if (d && (ret = m920x_init(d, rc_init_seq)) != 0)
+		return ret;
+
+	return ret;
+}
+
+static struct usb_device_id m920x_table [] = {
+		{ USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
+		{ USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
+			     USB_PID_MSI_DIGI_VOX_MINI_II) },
+		{ USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
+			     USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD) },
+		{ USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
+			     USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM) },
+		{ USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_COLD) },
+		{ USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_WARM) },
+		{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_PINNACLE_PCTV310E) },
+		{ USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_TWINHAN_VP7049) },
+		{ }		/* 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 = m920x_firmware_download,
+
+	.rc.legacy = {
+		.rc_interval      = 100,
+		.rc_map_table     = rc_map_megasky_table,
+		.rc_map_size      = ARRAY_SIZE(rc_map_megasky_table),
+		.rc_query         = m920x_rc_query,
+	},
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		.num_frontends = 1,
+		.fe = {{
+
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_mt352_frontend_attach,
+		.tuner_attach     = m920x_qt1010_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				.bulk = {
+					.buffersize = 512,
+				}
+			}
+		},
+		}},
+	}},
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   "MSI Mega Sky 580 DVB-T USB2.0",
+			{ &m920x_table[0], NULL },
+			{ NULL },
+		}
+	}
+};
+
+static struct dvb_usb_device_properties digivox_mini_ii_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = "dvb-usb-digivox-02.fw",
+	.download_firmware = m920x_firmware_download,
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		.num_frontends = 1,
+		.fe = {{
+
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_tda10046_08_frontend_attach,
+		.tuner_attach     = m920x_tda8275_60_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				.bulk = {
+					.buffersize = 0x4000,
+				}
+			}
+		},
+		}},
+	}},
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   "MSI DIGI VOX mini II DVB-T USB2.0",
+			{ &m920x_table[1], NULL },
+			{ NULL },
+		},
+	}
+};
+
+/* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net>
+ *
+ * LifeView TV Walker Twin has 1 x M9206, 2 x TDA10046, 2 x TDA8275A
+ * TDA10046 #0 is located at i2c address 0x08
+ * TDA10046 #1 is located at i2c address 0x0b
+ * TDA8275A #0 is located at i2c address 0x60
+ * TDA8275A #1 is located at i2c address 0x61
+ */
+static struct dvb_usb_device_properties tvwalkertwin_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = "dvb-usb-tvwalkert.fw",
+	.download_firmware = m920x_firmware_download,
+
+	.rc.legacy = {
+		.rc_interval      = 100,
+		.rc_map_table     = rc_map_tvwalkertwin_table,
+		.rc_map_size      = ARRAY_SIZE(rc_map_tvwalkertwin_table),
+		.rc_query         = m920x_rc_query,
+	},
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 2,
+	.adapter = {{
+		.num_frontends = 1,
+		.fe = {{
+
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_tda10046_08_frontend_attach,
+		.tuner_attach     = m920x_tda8275_60_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				 .bulk = {
+					 .buffersize = 512,
+				 }
+			}
+		}},
+		}},{
+		.num_frontends = 1,
+		.fe = {{
+
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_tda10046_0b_frontend_attach,
+		.tuner_attach     = m920x_tda8275_61_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x82,
+			.u = {
+				 .bulk = {
+					 .buffersize = 512,
+				 }
+			}
+		}},
+		},
+	}},
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   .name = "LifeView TV Walker Twin DVB-T USB2.0",
+		    .cold_ids = { &m920x_table[2], NULL },
+		    .warm_ids = { &m920x_table[3], NULL },
+		},
+	}
+};
+
+static struct dvb_usb_device_properties dposh_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = "dvb-usb-dposh-01.fw",
+	.download_firmware = m920x_firmware_download,
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		.num_frontends = 1,
+		.fe = {{
+		/* Hardware pid filters don't work with this device/firmware */
+
+		.frontend_attach  = m920x_mt352_frontend_attach,
+		.tuner_attach     = m920x_qt1010_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				 .bulk = {
+					 .buffersize = 512,
+				 }
+			}
+		},
+		}},
+	}},
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		 {   .name = "Dposh DVB-T USB2.0",
+		     .cold_ids = { &m920x_table[4], NULL },
+		     .warm_ids = { &m920x_table[5], NULL },
+		 },
+	 }
+};
+
+static struct dvb_usb_device_properties pinnacle_pctv310e_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.download_firmware = NULL,
+
+	.rc.legacy = {
+		.rc_interval      = 100,
+		.rc_map_table     = rc_map_pinnacle310e_table,
+		.rc_map_size      = ARRAY_SIZE(rc_map_pinnacle310e_table),
+		.rc_query         = m920x_rc_query,
+	},
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		.num_frontends = 1,
+		.fe = {{
+
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_mt352_frontend_attach,
+		.tuner_attach     = m920x_fmd1216me_tuner_attach,
+
+		.stream = {
+			.type = USB_ISOC,
+			.count = 5,
+			.endpoint = 0x84,
+			.u = {
+				.isoc = {
+					.framesperurb = 128,
+					.framesize = 564,
+					.interval = 1,
+				}
+			}
+		},
+		}},
+	} },
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   "Pinnacle PCTV 310e",
+			{ &m920x_table[6], NULL },
+			{ NULL },
+		}
+	}
+};
+
+static struct dvb_usb_device_properties vp7049_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.firmware = "dvb-usb-vp7049-0.95.fw",
+	.download_firmware = m920x_firmware_download,
+
+	.rc.core = {
+		.rc_interval    = 150,
+		.rc_codes       = RC_MAP_TWINHAN_VP1027_DVBS,
+		.rc_query       = m920x_rc_core_query,
+		.allowed_protos = RC_PROTO_BIT_UNKNOWN,
+	},
+
+	.size_of_priv     = sizeof(struct m920x_state),
+
+	.identify_state   = m920x_identify_state,
+	.num_adapters = 1,
+	.adapter = {{
+		.num_frontends = 1,
+		.fe = {{
+
+		.caps = DVB_USB_ADAP_HAS_PID_FILTER |
+			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+		.pid_filter_count = 8,
+		.pid_filter       = m920x_pid_filter,
+		.pid_filter_ctrl  = m920x_pid_filter_ctrl,
+
+		.frontend_attach  = m920x_mt352_frontend_attach_vp7049,
+		.tuner_attach     = m920x_mt2060_tuner_attach,
+
+		.stream = {
+			.type = USB_BULK,
+			.count = 8,
+			.endpoint = 0x81,
+			.u = {
+				 .bulk = {
+					 .buffersize = 512,
+				 }
+			}
+		},
+		} },
+	} },
+	.i2c_algo         = &m920x_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   "DTV-DVB UDTT7049",
+			{ &m920x_table[7], NULL },
+			{ NULL },
+		}
+	 }
+};
+
+static struct usb_driver m920x_driver = {
+	.name		= "dvb_usb_m920x",
+	.probe		= m920x_probe,
+	.disconnect	= dvb_usb_device_exit,
+	.id_table	= m920x_table,
+};
+
+module_usb_driver(m920x_driver);
+
+MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
+MODULE_DESCRIPTION("DVB Driver for ULI M920x");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");