V4L/DVB: Support or LME2510(C) DM04/QQBOX USB DVB-S BOXES

DM04/QQBOX DVB-S USB BOX with LME2510C+SHARP:BS2F7HZ7395 or LME2510+LGTDQT-P001F tuner.

[mchehab@redhat.com: Fix merge conflicts/compilation and CodingStyle issues]
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

6 files changed, 1206 insertions, 0 deletions

diff --git a/drivers/media/IR/keymaps/Makefile b/drivers/media/IR/keymaps/Makefile
index c032b9d2e51..f755b21eef1 100644
--- a/drivers/media/IR/keymaps/Makefile
+++ b/drivers/media/IR/keymaps/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
 			rc-kworld-315u.o \
 			rc-kworld-plus-tv-analog.o \
 			rc-lirc.o \
+			rc-lme2510.o \
 			rc-manli.o \
 			rc-msi-tvanywhere.o \
 			rc-msi-tvanywhere-plus.o \
diff --git a/drivers/media/IR/keymaps/rc-lme2510.c b/drivers/media/IR/keymaps/rc-lme2510.c
new file mode 100644
index 00000000000..40dcf0b4e21
--- /dev/null
+++ b/drivers/media/IR/keymaps/rc-lme2510.c
@@ -0,0 +1,68 @@
+/* LME2510 remote control
+ *
+ *
+ * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
+ *
+ * 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.
+ */
+
+#include <media/rc-map.h>
+
+
+static struct ir_scancode lme2510_rc[] = {
+	{ 0xba45, KEY_0 },
+	{ 0xa05f, KEY_1 },
+	{ 0xaf50, KEY_2 },
+	{ 0xa25d, KEY_3 },
+	{ 0xbe41, KEY_4 },
+	{ 0xf50a, KEY_5 },
+	{ 0xbd42, KEY_6 },
+	{ 0xb847, KEY_7 },
+	{ 0xb649, KEY_8 },
+	{ 0xfa05, KEY_9 },
+	{ 0xbc43, KEY_POWER },
+	{ 0xb946, KEY_SUBTITLE },
+	{ 0xf906, KEY_PAUSE },
+	{ 0xfc03, KEY_MEDIA_REPEAT},
+	{ 0xfd02, KEY_PAUSE },
+	{ 0xa15e, KEY_VOLUMEUP },
+	{ 0xa35c, KEY_VOLUMEDOWN },
+	{ 0xf609, KEY_CHANNELUP },
+	{ 0xe51a, KEY_CHANNELDOWN },
+	{ 0xe11e, KEY_PLAY },
+	{ 0xe41b, KEY_ZOOM },
+	{ 0xa659, KEY_MUTE },
+	{ 0xa55a, KEY_TV },
+	{ 0xe718, KEY_RECORD },
+	{ 0xf807, KEY_EPG },
+	{ 0xfe01, KEY_STOP },
+
+};
+
+static struct rc_keymap lme2510_map = {
+	.map = {
+		.scan    = lme2510_rc,
+		.size    = ARRAY_SIZE(lme2510_rc),
+		.ir_type = IR_TYPE_UNKNOWN,
+		.name    = RC_MAP_LME2510,
+	}
+};
+
+static int __init init_rc_lme2510_map(void)
+{
+	return ir_register_map(&lme2510_map);
+}
+
+static void __exit exit_rc_lme2510_map(void)
+{
+	ir_unregister_map(&lme2510_map);
+}
+
+module_init(init_rc_lme2510_map)
+module_exit(exit_rc_lme2510_map)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Malcolm Priestley tvboxspy@gmail.com");
diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig
index c57f828e1eb..4734ec073e0 100644
--- a/drivers/media/dvb/dvb-usb/Kconfig
+++ b/drivers/media/dvb/dvb-usb/Kconfig
@@ -347,3 +347,14 @@ config DVB_USB_AZ6027
 	select DVB_STB6100 if !DVB_FE_CUSTOMISE
 	help
 	  Say Y here to support the AZ6027 device
+
+config DVB_USB_LME2510
+	tristate "LME DM04/QQBOX DVB-S USB2.0 support"
+	depends on DVB_USB
+	select DVB_TDA10086 if !DVB_FE_CUSTOMISE
+	select DVB_TDA826X if !DVB_FE_CUSTOMISE
+	select DVB_STV0288 if !DVB_FE_CUSTOMISE
+	select DVB_IX2505V if !DVB_FE_CUSTOMISE
+	depends on IR_CORE
+	help
+	  Say Y here to support the LME DM04/QQBOX DVB-S USB2.0 .
diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile
index 1a192453b0e..5b1d12f2d59 100644
--- a/drivers/media/dvb/dvb-usb/Makefile
+++ b/drivers/media/dvb/dvb-usb/Makefile
@@ -88,6 +88,9 @@ obj-$(CONFIG_DVB_USB_EC168) += dvb-usb-ec168.o
 dvb-usb-az6027-objs = az6027.o
 obj-$(CONFIG_DVB_USB_AZ6027) += dvb-usb-az6027.o
 
+dvb-usb-lmedm04-objs = lmedm04.o
+obj-$(CONFIG_DVB_USB_LME2510) += dvb-usb-lmedm04.o
+
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/
 # due to tuner-xc3028
 EXTRA_CFLAGS += -Idrivers/media/common/tuners
diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c
new file mode 100644
index 00000000000..d5374ac075d
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/lmedm04.c
@@ -0,0 +1,936 @@
+/* DVB USB compliant linux driver for
+ *
+ * DM04/QQBOX DVB-S USB BOX	LME2510C + SHARP:BS2F7HZ7395
+ *				LME2510 + LGTDQT-P001F
+ *
+ * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
+ * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
+ *
+ * MV001F (LME2510 +LGTDQY-P001F)
+ * LG TDQY - P001F =(TDA8263 + TDA10086H)
+ *
+ * For firmware see Documentation/dvb/lmedm04.txt
+ *
+ * I2C addresses:
+ * 0xd0 - STV0288	- Demodulator
+ * 0xc0 - Sharp IX2505V	- Tuner
+ * --or--
+ * 0x1c - TDA10086   - Demodulator
+ * 0xc0 - TDA8263    - Tuner
+ *
+ * ***Please Note***
+ *		There are other variants of the DM04
+ *		***NOT SUPPORTED***
+ *		MVB0001F (LME2510C+LGTDQT-P001F)
+ *		MV0194 (LME2510+SHARP0194)
+ *		MVB0194 (LME2510C+SHARP0194)
+ *
+ *
+ * VID = 3344  PID LME2510=1122 LME2510C=1120
+ *
+ * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
+ * LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ *
+ * Known Issues :
+ *	LME2510: Non Intel USB chipsets fail to maintain High Speed on
+ * Boot or Hot Plug.
+ *
+ *	DiSEqC functions are not fully supported in this driver. The main
+ * reason is the frontend is cut off during streaming. Allowing frontend
+ * access will stall the driver. Applications that attempt to this, the
+ * commands are ignored.
+ *
+ *	PID functions have been removed from this driver version due to
+ * problems with different firmware and application versions.
+ */
+#define DVB_USB_LOG_PREFIX "LME2510(C)"
+#include <linux/usb.h>
+#include <linux/usb/input.h>
+#include <media/ir-core.h>
+
+#include "dvb-usb.h"
+#include "lmedm04.h"
+#include "tda826x.h"
+#include "tda10086.h"
+#include "stv0288.h"
+#include "ix2505v.h"
+
+
+
+/* debug */
+static int dvb_usb_lme2510_debug;
+#define l_dprintk(var, level, args...) do { \
+	if ((var >= level)) \
+		printk(KERN_DEBUG DVB_USB_LOG_PREFIX ": " args); \
+} while (0)
+
+#define deb_info(level, args...) l_dprintk(dvb_usb_lme2510_debug, level, args)
+#define debug_data_snipet(level, name, p) \
+	 deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
+		*p, *(p+1), *(p+2), *(p+3), *(p+4), \
+			*(p+5), *(p+6), *(p+7));
+
+
+module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."
+			DVB_USB_DEBUG_STATUS);
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+#define TUNER_LG 0x1
+#define TUNER_S7395 0x2
+
+struct lme2510_state {
+	u8 id;
+	u8 tuner_config;
+	u8 signal_lock;
+	u8 signal_level;
+	u8 signal_sn;
+	u8 time_key;
+	u8 i2c_talk_onoff;
+	u8 i2c_gate;
+	u8 i2c_tuner_gate_w;
+	u8 i2c_tuner_gate_r;
+	u8 i2c_tuner_addr;
+	void *buffer;
+	struct urb *lme_urb;
+	void *usb_buffer;
+
+};
+
+static int lme2510_bulk_write(struct usb_device *dev,
+				u8 *snd, int len, u8 pipe)
+{
+	int ret, actual_l;
+	ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
+				snd, len , &actual_l, 500);
+	return ret;
+}
+
+static int lme2510_bulk_read(struct usb_device *dev,
+				u8 *rev, int len, u8 pipe)
+{
+	int ret, actual_l;
+
+	ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
+				 rev, len , &actual_l, 500);
+	return ret;
+}
+
+static int lme2510_usb_talk(struct dvb_usb_device *d,
+		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
+{
+	struct lme2510_state *st = d->priv;
+	u8 *buff;
+	int ret = 0;
+
+	if (st->usb_buffer == NULL) {
+		st->usb_buffer = kmalloc(512, GFP_KERNEL);
+		if (st->usb_buffer == NULL) {
+			info("MEM Error no memory");
+			return -ENOMEM;
+		}
+	}
+	buff = st->usb_buffer;
+
+	/* the read/write capped at 512 */
+	memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
+
+
+	ret = mutex_lock_interruptible(&d->usb_mutex);
+
+	if (ret < 0)
+		return -EAGAIN;
+
+	ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));
+	msleep(5);
+	ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x1);
+
+	msleep(5);
+	ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x1));
+
+	msleep(5);
+	ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
+			512 : rlen , 0x1);
+
+	if (rlen > 0)
+		memcpy(rbuf, buff, rlen);
+
+	mutex_unlock(&d->usb_mutex);
+
+	return (ret < 0) ? -ENODEV : 0;
+}
+
+static int lme2510_remote_keypress(struct dvb_usb_adapter *adap, u16 keypress)
+{
+	struct dvb_usb_device *d = adap->dev;
+
+	deb_info(1, "INT Key Keypress =%04x", keypress);
+
+	if (keypress > 0)
+		ir_keydown(d->rc_input_dev, keypress, 0);
+
+	return 0;
+}
+
+static void lme2510_int_response(struct urb *lme_urb)
+{
+	struct dvb_usb_adapter *adap = lme_urb->context;
+	struct lme2510_state *st = adap->dev->priv;
+	static u8 *ibuf, *rbuf;
+	int i = 0, offset;
+
+	switch (lme_urb->status) {
+	case 0:
+	case -ETIMEDOUT:
+		break;
+	case -ECONNRESET:
+	case -ENOENT:
+	case -ESHUTDOWN:
+		return;
+	default:
+		info("Error %x", lme_urb->status);
+		break;
+	}
+
+	rbuf = (u8 *) lme_urb->transfer_buffer;
+
+	offset = ((lme_urb->actual_length/8) > 4)
+			? 4 : (lme_urb->actual_length/8) ;
+
+
+	for (i = 0; i < offset; ++i) {
+		ibuf = (u8 *)&rbuf[i*8];
+		deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
+		offset, i, ibuf[0], ibuf[1]);
+
+		switch (ibuf[0]) {
+		case 0xaa:
+			debug_data_snipet(1, "INT Remote data snipet in", ibuf);
+			lme2510_remote_keypress(adap,
+				(u16)(ibuf[4]<<8)+ibuf[5]);
+			break;
+		case 0xbb:
+			switch (st->tuner_config) {
+			case TUNER_LG:
+				st->signal_lock = ibuf[2];
+				st->signal_level = ibuf[4];
+				st->signal_sn = ibuf[3];
+				st->time_key = ibuf[7];
+				break;
+			case TUNER_S7395:
+				/* Tweak for earlier firmware*/
+				if (ibuf[1] == 0x03) {
+					st->signal_level = ibuf[3];
+					st->signal_sn = ibuf[2];
+				} else {
+					st->signal_level = ibuf[4];
+					st->signal_sn = ibuf[5];
+				}
+				break;
+			default:
+				break;
+			}
+			debug_data_snipet(5, "INT Remote data snipet in", ibuf);
+		break;
+		case 0xcc:
+			debug_data_snipet(1, "INT Control data snipet", ibuf);
+			break;
+		default:
+			debug_data_snipet(1, "INT Unknown data snipet", ibuf);
+		break;
+		}
+	}
+	usb_submit_urb(lme_urb, GFP_ATOMIC);
+}
+
+static int lme2510_int_read(struct dvb_usb_adapter *adap)
+{
+	struct lme2510_state *lme_int = adap->dev->priv;
+
+	lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
+
+	if (lme_int->lme_urb == NULL)
+			return -ENOMEM;
+
+	lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 5000, GFP_ATOMIC,
+					&lme_int->lme_urb->transfer_dma);
+
+	if (lme_int->buffer == NULL)
+			return -ENOMEM;
+
+	usb_fill_int_urb(lme_int->lme_urb,
+				adap->dev->udev,
+				usb_rcvintpipe(adap->dev->udev, 0xa),
+				lme_int->buffer,
+				4096,
+				lme2510_int_response,
+				adap,
+				11);
+
+	lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+	usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
+	info("INT Interupt Service Started");
+
+	return 0;
+}
+
+static int lme2510_return_status(struct usb_device *dev)
+{
+	int ret = 0;
+	u8 data[10] = {0};
+	ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+			0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
+	info("Firmware Status: %x (%x)", ret , data[2]);
+
+	return (ret < 0) ? -ENODEV : data[2];
+}
+
+static int lme2510_msg(struct dvb_usb_device *d,
+		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
+{
+	int ret = 0;
+	struct lme2510_state *st = d->priv;
+
+	if (st->i2c_talk_onoff == 1) {
+		if ((wbuf[2] == 0x1c) & (wbuf[3] == 0x0e))
+			msleep(80); /*take your time when waiting for tune*/
+
+		if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+			return -EAGAIN;
+
+		ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
+
+		mutex_unlock(&d->i2c_mutex);
+		switch (st->tuner_config) {
+		case TUNER_S7395:
+			if (wbuf[3] == 0x24)
+				st->signal_lock = rbuf[1];
+			break;
+		default:
+			break;
+		}
+
+	} else {
+		switch (st->tuner_config) {
+		case TUNER_LG:
+			switch (wbuf[3]) {
+			case 0x0e:
+				rbuf[0] = 0x55;
+				rbuf[1] = st->signal_lock;
+				break;
+			case 0x43:
+				rbuf[0] = 0x55;
+				rbuf[1] = st->signal_level;
+				break;
+			case 0x1c:
+				rbuf[0] = 0x55;
+				rbuf[1] = st->signal_sn;
+				break;
+			default:
+				break;
+			}
+			break;
+		case TUNER_S7395:
+			switch (wbuf[3]) {
+			case 0x10:
+				rbuf[0] = 0x55;
+				rbuf[1] = (st->signal_level & 0x80)
+						? 0 : (st->signal_level * 2);
+				break;
+			case 0x2d:
+				rbuf[0] = 0x55;
+				rbuf[1] = st->signal_sn;
+				break;
+			case 0x24:
+				rbuf[0] = 0x55;
+				rbuf[1] = (st->signal_level & 0x80)
+						? 0 : st->signal_lock;
+			default:
+				break;
+			}
+			break;
+		default:
+			break;
+
+		}
+
+		deb_info(4, "I2C From Interupt Message out(%02x) in(%02x)",
+				wbuf[3], rbuf[1]);
+
+	}
+
+	return ret;
+}
+
+
+static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+				 int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	struct lme2510_state *st = d->priv;
+	static u8 obuf[64], ibuf[512];
+	int i, read, read_o;
+	u16 len;
+	u8 gate = st->i2c_gate;
+
+	if (gate == 0)
+		gate = 5;
+
+	if (num > 2)
+		warn("more than 2 i2c messages"
+			"at a time is not handled yet.	TODO.");
+
+	for (i = 0; i < num; i++) {
+		read_o = 1 & (msg[i].flags & I2C_M_RD);
+		read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
+		read |= read_o;
+		gate = (msg[i].addr == st->i2c_tuner_addr)
+			? (read)	? st->i2c_tuner_gate_r
+					: st->i2c_tuner_gate_w
+			: st->i2c_gate;
+		obuf[0] = gate | (read << 7);
+
+		if (gate == 5)
+			obuf[1] = (read) ? 2 : msg[i].len + 1;
+		else
+			obuf[1] = msg[i].len + read + 1;
+
+		obuf[2] = msg[i].addr;
+		if (read) {
+			if (read_o)
+				len = 3;
+			else {
+				memcpy(&obuf[3], msg[i].buf, msg[i].len);
+				obuf[msg[i].len+3] = msg[i+1].len;
+				len = msg[i].len+4;
+			}
+		} else {
+			memcpy(&obuf[3], msg[i].buf, msg[i].len);
+			len = msg[i].len+3;
+		}
+
+		if (lme2510_msg(d, obuf, len, ibuf, 512) < 0) {
+			deb_info(1, "i2c transfer failed.");
+			return -EAGAIN;
+		}
+
+		if (read) {
+			if (read_o)
+				memcpy(msg[i].buf, &ibuf[1], msg[i].len);
+			else {
+				memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
+				i++;
+			}
+		}
+	}
+	return i;
+}
+
+static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm lme2510_i2c_algo = {
+	.master_xfer   = lme2510_i2c_xfer,
+	.functionality = lme2510_i2c_func,
+};
+
+/* Callbacks for DVB USB */
+static int lme2510_identify_state(struct usb_device *udev,
+		struct dvb_usb_device_properties *props,
+		struct dvb_usb_device_description **desc,
+		int *cold)
+{
+	if (lme2510_return_status(udev) == 0x44)
+		*cold = 1;
+	else
+		*cold = 0;
+	return 0;
+}
+
+static int lme2510_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	struct lme2510_state *st = adap->dev->priv;
+	static u8 reset[] =  LME_RESET;
+	static u8 stream_on[] = LME_ST_ON_W;
+	static u8 clear_reg_3[] =  LME_CLEAR_PID;
+	static u8 rbuf[1];
+	int ret = 0, len = 2, rlen = sizeof(rbuf);
+
+	deb_info(1, "STM  (%02x)", onoff);
+
+	if (onoff == 1)	{
+		st->i2c_talk_onoff = 0;
+		msleep(400); /* give enough time for i2c to stop */
+		ret |= lme2510_usb_talk(adap->dev,
+				 stream_on,  len, rbuf, rlen);
+	} else {
+		deb_info(1, "STM Steam Off");
+		if  (st->tuner_config == TUNER_LG)
+			ret |= lme2510_usb_talk(adap->dev, clear_reg_3,
+				sizeof(clear_reg_3), rbuf, rlen);
+		else
+			ret |= lme2510_usb_talk(adap->dev,
+				 reset, sizeof(reset), rbuf, rlen);
+
+		msleep(400);
+		st->i2c_talk_onoff = 1;
+	}
+
+	return (ret < 0) ? -ENODEV : 0;
+}
+
+static int lme2510_int_service(struct dvb_usb_adapter *adap)
+{
+	struct dvb_usb_device *d = adap->dev;
+	struct input_dev *input_dev;
+	char *ir_codes = RC_MAP_LME2510;
+	int ret = 0;
+
+	info("STA Configuring Remote");
+
+	usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
+
+	strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
+
+	input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
+
+	input_dev->name = "LME2510 Remote Control";
+	input_dev->phys = d->rc_phys;
+
+	usb_to_input_id(d->udev, &input_dev->id);
+
+	ret |= ir_input_register(input_dev, ir_codes, NULL, "LME 2510");
+
+	if (ret) {
+		input_free_device(input_dev);
+		return ret;
+	}
+
+	d->rc_input_dev = input_dev;
+	/* Start the Interupt */
+	ret = lme2510_int_read(adap);
+
+	if (ret < 0) {
+		ir_input_unregister(input_dev);
+		input_free_device(input_dev);
+	}
+	return (ret < 0) ? -ENODEV : 0;
+}
+
+static u8 check_sum(u8 *p, u8 len)
+{
+	u8 sum = 0;
+	while (len--)
+		sum += *p++;
+	return sum;
+}
+
+static int lme2510_download_firmware(struct usb_device *dev,
+					const struct firmware *fw)
+{
+	int ret = 0;
+	u8 data[512] = {0};
+	u16 j, wlen, len_in, start, end;
+	u8 packet_size, dlen, i;
+	u8 *fw_data;
+
+	packet_size = 0x31;
+	len_in = 1;
+
+
+	info("FRM Starting Firmware Download");
+
+	for (i = 1; i < 3; i++) {
+		start = (i == 1) ? 0 : 512;
+		end = (i == 1) ? 512 : fw->size;
+		for (j = start; j < end; j += (packet_size+1)) {
+			fw_data = (u8 *)(fw->data + j);
+			if ((end - j) > packet_size) {
+				data[0] = i;
+				dlen = packet_size;
+			} else {
+				data[0] = i | 0x80;
+				dlen = (u8)(end - j)-1;
+			}
+		data[1] = dlen;
+		memcpy(&data[2], fw_data, dlen+1);
+		wlen = (u8) dlen + 4;
+		data[wlen-1] = check_sum(fw_data, dlen+1);
+		deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
+				data[dlen+2], data[dlen+3]);
+		ret |= lme2510_bulk_write(dev, data,  wlen, 1);
+		ret |= lme2510_bulk_read(dev, data, len_in , 1);
+		ret |= (data[0] == 0x88) ? 0 : -1;
+		}
+	}
+	usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+			0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000);
+
+
+	data[0] = 0x8a;
+	len_in = 1;
+	msleep(2000);
+	ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Resetting*/
+	ret |= lme2510_bulk_read(dev, data, len_in, 1);
+	msleep(400);
+
+	if (ret < 0)
+		info("FRM Firmware Download Failed (%04x)" , ret);
+	else
+		info("FRM Firmware Download Completed - Resetting Device");
+
+
+	return (ret < 0) ? -ENODEV : 0;
+}
+
+
+static int lme2510_kill_urb(struct usb_data_stream *stream)
+{
+	int i;
+	for (i = 0; i < stream->urbs_submitted; i++) {
+		deb_info(3, "killing URB no. %d.", i);
+
+		/* stop the URB */
+		usb_kill_urb(stream->urb_list[i]);
+	}
+	stream->urbs_submitted = 0;
+	return 0;
+}
+
+static struct tda10086_config tda10086_config = {
+	.demod_address = 0x1c,
+	.invert = 0,
+	.diseqc_tone = 1,
+	.xtal_freq = TDA10086_XTAL_16M,
+};
+
+static struct stv0288_config lme_config = {
+	.demod_address = 0xd0,
+	.min_delay_ms = 15,
+	.inittab = s7395_inittab,
+};
+
+static struct ix2505v_config lme_tuner = {
+	.tuner_address = 0xc0,
+	.min_delay_ms = 100,
+	.tuner_gain = 0x0,
+	.tuner_chargepump = 0x3,
+};
+
+
+static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
+					fe_sec_voltage_t voltage)
+{
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	struct lme2510_state *st = adap->dev->priv;
+	static u8 voltage_low[]	= LME_VOLTAGE_L;
+	static u8 voltage_high[] = LME_VOLTAGE_H;
+	static u8 reset[] = LME_RESET;
+	static u8 clear_reg_3[] =  LME_CLEAR_PID;
+	static u8 rbuf[1];
+	int ret = 0, len = 3, rlen = 1;
+
+	msleep(100);
+
+	if  (st->tuner_config == TUNER_LG)
+		ret |= lme2510_usb_talk(adap->dev, clear_reg_3,
+			sizeof(clear_reg_3), rbuf, rlen);
+	else
+		ret |= lme2510_usb_talk(adap->dev,
+			 reset, sizeof(reset), rbuf, rlen);
+
+	/*always check & stop streaming*/
+	lme2510_kill_urb(&adap->stream);
+	adap->feedcount = 0;
+
+		switch (voltage) {
+
+		case SEC_VOLTAGE_18:
+			ret |= lme2510_usb_talk(adap->dev,
+				voltage_high, len, rbuf, rlen);
+		break;
+
+		case SEC_VOLTAGE_OFF:
+		case SEC_VOLTAGE_13:
+		default:
+			ret |= lme2510_usb_talk(adap->dev,
+				voltage_low, len, rbuf, rlen);
+		break;
+
+
+	};
+	st->i2c_talk_onoff = 1;
+	return (ret < 0) ? -ENODEV : 0;
+}
+
+static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	int ret = 0;
+	struct lme2510_state *st = adap->dev->priv;
+
+	/* Interupt Start  */
+	ret = lme2510_int_service(adap);
+	if (ret < 0) {
+		info("INT Unable to start Interupt Service");
+		return -ENODEV;
+	}
+
+	st->i2c_talk_onoff = 1;
+	st->i2c_gate = 4;
+
+	adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
+		&adap->dev->i2c_adap);
+
+	if (adap->fe) {
+		info("TUN Found Frontend TDA10086");
+		memcpy(&adap->fe->ops.info.name,
+				&"DM04_LG_TDQY-P001F DVB-S", 24);
+		adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
+		st->i2c_tuner_gate_w = 4;
+		st->i2c_tuner_gate_r = 4;
+		st->i2c_tuner_addr = 0xc0;
+		if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
+			&adap->dev->i2c_adap, 1)) {
+			info("TUN TDA8263 Found");
+			st->tuner_config = TUNER_LG;
+			return 0;
+		}
+		kfree(adap->fe);
+		adap->fe = NULL;
+	}
+	st->i2c_gate = 5;
+	adap->fe = dvb_attach(stv0288_attach, &lme_config,
+			&adap->dev->i2c_adap);
+
+	if (adap->fe) {
+		info("FE Found Stv0288");
+		memcpy(&adap->fe->ops.info.name,
+				&"DM04_SHARP:BS2F7HZ7395", 22);
+		adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
+		st->i2c_tuner_gate_w = 4;
+		st->i2c_tuner_gate_r = 5;
+		st->i2c_tuner_addr = 0xc0;
+		if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
+					&adap->dev->i2c_adap)) {
+			st->tuner_config = TUNER_S7395;
+			info("TUN Sharp IX2505V silicon tuner");
+			return 0;
+		}
+		kfree(adap->fe);
+		adap->fe = NULL;
+	}
+
+	info("DM04 Not Supported");
+	return -ENODEV;
+}
+
+static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
+{
+	struct lme2510_state *st = d->priv;
+	st->i2c_talk_onoff = 1;
+	return 0;
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties lme2510_properties;
+static struct dvb_usb_device_properties lme2510c_properties;
+
+static int lme2510_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(intf);
+	int ret = 0;
+
+	usb_reset_configuration(udev);
+
+	usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 1);
+
+	if (udev->speed != USB_SPEED_HIGH) {
+		ret = usb_reset_device(udev);
+		info("DEV Failed to connect in HIGH SPEED mode");
+		return -ENODEV;
+	}
+
+	if (0 == dvb_usb_device_init(intf, &lme2510_properties,
+				     THIS_MODULE, NULL, adapter_nr)) {
+		info("DEV registering device driver");
+		return 0;
+	}
+	if (0 == dvb_usb_device_init(intf, &lme2510c_properties,
+				     THIS_MODULE, NULL, adapter_nr)) {
+		info("DEV registering device driver");
+		return 0;
+	}
+
+	info("DEV lme2510 Error");
+	return -ENODEV;
+
+}
+
+static struct usb_device_id lme2510_table[] = {
+	{ USB_DEVICE(0x3344, 0x1122) },  /* LME2510 */
+	{ USB_DEVICE(0x3344, 0x1120) },  /* LME2510C */
+	{}		/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, lme2510_table);
+
+static struct dvb_usb_device_properties lme2510_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.download_firmware = lme2510_download_firmware,
+	.firmware = "dvb-usb-lme2510-lg.fw",
+
+	.size_of_priv = sizeof(struct lme2510_state),
+	.num_adapters = 1,
+	.adapter = {
+		{
+			.streaming_ctrl   = lme2510_streaming_ctrl,
+			.frontend_attach  = dm04_lme2510_frontend_attach,
+			/* parameter for the MPEG2-data transfer */
+			.stream = {
+				.type = USB_BULK,
+				.count = 10,
+				.endpoint = 0x06,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+
+					}
+				}
+			}
+		}
+	},
+	.power_ctrl       = lme2510_powerup,
+	.identify_state   = lme2510_identify_state,
+	.i2c_algo         = &lme2510_i2c_algo,
+	.generic_bulk_ctrl_endpoint = 0,
+	.num_device_descs = 1,
+	.devices = {
+		{   "DM04 LME2510 DVB-S USB 2.0",
+			{ &lme2510_table[0], NULL },
+			},
+
+	}
+};
+
+static struct dvb_usb_device_properties lme2510c_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = DEVICE_SPECIFIC,
+	.download_firmware = lme2510_download_firmware,
+	.firmware = "dvb-usb-lme2510c-s7395.fw",
+	.size_of_priv = sizeof(struct lme2510_state),
+	.num_adapters = 1,
+	.adapter = {
+		{
+			.streaming_ctrl   = lme2510_streaming_ctrl,
+			.frontend_attach  = dm04_lme2510_frontend_attach,
+			/* parameter for the MPEG2-data transfer */
+			.stream = {
+				.type = USB_BULK,
+				.count = 8,
+				.endpoint = 0x8,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+
+					}
+				}
+			}
+		}
+	},
+	.power_ctrl       = lme2510_powerup,
+	.identify_state   = lme2510_identify_state,
+	.i2c_algo         = &lme2510_i2c_algo,
+	.generic_bulk_ctrl_endpoint = 0,
+	.num_device_descs = 1,
+	.devices = {
+		{   "DM04 LME2510C USB2.0",
+			{ &lme2510_table[1], NULL },
+			},
+	}
+};
+
+void lme2510_exit_int(struct dvb_usb_device *d)
+{
+	struct lme2510_state *st = d->priv;
+	if (st->lme_urb != NULL) {
+		st->i2c_talk_onoff = 0;
+		st->signal_lock = 0;
+		st->signal_level = 0;
+		st->signal_sn = 0;
+		kfree(st->usb_buffer);
+		usb_kill_urb(st->lme_urb);
+		usb_free_coherent(d->udev, 5000, st->buffer,
+				  st->lme_urb->transfer_dma);
+		info("Interupt Service Stopped");
+		ir_input_unregister(d->rc_input_dev);
+		info("Remote Stopped");
+	}
+	return;
+}
+
+void lme2510_exit(struct usb_interface *intf)
+{
+	struct dvb_usb_device *d = usb_get_intfdata(intf);
+	if (d != NULL) {
+		d->adapter[0].feedcount = 0;
+		lme2510_exit_int(d);
+		dvb_usb_device_exit(intf);
+	}
+
+}
+
+static struct usb_driver lme2510_driver = {
+	.name		= "LME2510C_DVBS",
+	.probe		= lme2510_probe,
+	.disconnect	= lme2510_exit,
+	.id_table	= lme2510_table,
+};
+
+/* module stuff */
+static int __init lme2510_module_init(void)
+{
+	int result = usb_register(&lme2510_driver);
+	if (result) {
+		err("usb_register failed. Error number %d", result);
+		return result;
+	}
+
+	return 0;
+}
+
+static void __exit lme2510_module_exit(void)
+{
+	/* deregister this driver from the USB subsystem */
+	usb_deregister(&lme2510_driver);
+}
+
+module_init(lme2510_module_init);
+module_exit(lme2510_module_exit);
+
+MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
+MODULE_DESCRIPTION("LM2510(C) DVB-S USB2.0");
+MODULE_VERSION("1.4");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/dvb-usb/lmedm04.h b/drivers/media/dvb/dvb-usb/lmedm04.h
new file mode 100644
index 00000000000..5a66c7ec451
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/lmedm04.h
@@ -0,0 +1,187 @@
+/* DVB USB compliant linux driver for
+ *
+ * DM04/QQBOX DVB-S USB BOX	LME2510C + SHARP:BS2F7HZ7395
+ *				LME2510C + LGTDQT-P001F
+ *
+ * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
+ * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
+ *
+ * MVB0001F (LME2510C+LGTDQT-P001F)
+ * LG TDQY - P001F =(TDA8263 + TDA10086H)
+ *
+ *
+ * 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
+ */
+#ifndef _DVB_USB_LME2510_H_
+#define _DVB_USB_LME2510_H_
+
+/* Streamer &  PID
+ *
+ * Note:	These commands do not actually stop the streaming
+ *		but form some kind of packet filtering/stream count
+ *		or tuning related functions.
+ *  06 XX
+ *  offset 1 = 00 Enable Streaming
+ *
+ *
+ *  PID
+ *  03 XX XX  ----> reg number ---> setting....20 XX
+ *  offset 1 = length
+ *  offset 2 = start of data
+ *  end byte -1 = 20
+ *  end byte = clear pid always a0, other wise 9c, 9a ??
+ *
+ *  RESET (also clears PID filter)
+ *  3a 01 00
+*/
+#define LME_ST_ON_W	{0x06, 0x00}
+#define LME_RESET   {0x3a, 0x01, 0x00}
+#define LME_CLEAR_PID   {0x03, 0x02, 0x20, 0xa0}
+
+
+/* LME Power Control
+ *  07 XX XX
+ *  offset 1 = 01  Power? my device cannot be powered down
+ *  offset 2 = 00=Voltage low 01=Voltage high
+ */
+
+#define LME_VOLTAGE_L	{0x07, 0x01, 0x00}
+#define LME_VOLTAGE_H	{0x07, 0x01, 0x01}
+
+
+/* Initial stv0288 settings for 7395 Frontend */
+static u8 s7395_inittab[] = {
+	0x00, 0x11,
+	0x01, 0x15,
+	0x02, 0x20,
+	0x03, 0x8e,
+	0x04, 0x8e,
+	0x05, 0x12,
+	0x06, 0xff,
+	0x07, 0x20,
+	0x08, 0x00,
+	0x09, 0x00,
+	0x0a, 0x04,
+	0x0b, 0x00,
+	0x0c, 0x00,
+	0x0d, 0x00,
+	0x0e, 0xc1,
+	0x0f, 0x54,
+	0x10, 0x40,
+	0x11, 0x7a,
+	0x12, 0x03,
+	0x13, 0x48,
+	0x14, 0x84,
+	0x15, 0xc5,
+	0x16, 0xb8,
+	0x17, 0x9c,
+	0x18, 0x00,
+	0x19, 0xa6,
+	0x1a, 0x88,
+	0x1b, 0x8f,
+	0x1c, 0xf0,
+	0x1e, 0x80,
+	0x20, 0x0b,
+	0x21, 0x54,
+	0x22, 0xff,
+	0x23, 0x01,
+	0x24, 0x9a,
+	0x25, 0x7f,
+	0x26, 0x00,
+	0x27, 0x00,
+	0x28, 0x46,
+	0x29, 0x66,
+	0x2a, 0x90,
+	0x2b, 0xfa,
+	0x2c, 0xd9,
+	0x2d, 0x02,
+	0x2e, 0xb1,
+	0x2f, 0x00,
+	0x30, 0x0,
+	0x31, 0x1e,
+	0x32, 0x14,
+	0x33, 0x0f,
+	0x34, 0x09,
+	0x35, 0x0c,
+	0x36, 0x05,
+	0x37, 0x2f,
+	0x38, 0x16,
+	0x39, 0xbd,
+	0x3a, 0x0,
+	0x3b, 0x13,
+	0x3c, 0x11,
+	0x3d, 0x30,
+	0x3e, 0x00,
+	0x3f, 0x00,
+	0x40, 0x63,
+	0x41, 0x04,
+	0x42, 0x60,
+	0x43, 0x00,
+	0x44, 0x00,
+	0x45, 0x00,
+	0x46, 0x00,
+	0x47, 0x00,
+	0x4a, 0x00,
+	0x4b, 0xd1,
+	0x4c, 0x33,
+	0x50, 0x12,
+	0x51, 0x36,
+	0x52, 0x21,
+	0x53, 0x94,
+	0x54, 0xb2,
+	0x55, 0x29,
+	0x56, 0x64,
+	0x57, 0x2b,
+	0x58, 0x54,
+	0x59, 0x86,
+	0x5a, 0x00,
+	0x5b, 0x9b,
+	0x5c, 0x08,
+	0x5d, 0x7f,
+	0x5e, 0xff,
+	0x5f, 0x8d,
+	0x70, 0x0,
+	0x71, 0x0,
+	0x72, 0x0,
+	0x74, 0x0,
+	0x75, 0x0,
+	0x76, 0x0,
+	0x81, 0x0,
+	0x82, 0x3f,
+	0x83, 0x3f,
+	0x84, 0x0,
+	0x85, 0x0,
+	0x88, 0x0,
+	0x89, 0x0,
+	0x8a, 0x0,
+	0x8b, 0x0,
+	0x8c, 0x0,
+	0x90, 0x0,
+	0x91, 0x0,
+	0x92, 0x0,
+	0x93, 0x0,
+	0x94, 0x1c,
+	0x97, 0x0,
+	0xa0, 0x48,
+	0xa1, 0x0,
+	0xb0, 0xb8,
+	0xb1, 0x3a,
+	0xb2, 0x10,
+	0xb3, 0x82,
+	0xb4, 0x80,
+	0xb5, 0x82,
+	0xb6, 0x82,
+	0xb7, 0x82,
+	0xb8, 0x20,
+	0xb9, 0x0,
+	0xf0, 0x0,
+	0xf1, 0x0,
+	0xf2, 0xc0,
+	0xff, 0xff,
+};
+
+#endif