Added missing tegra files.HEADmaster

1 files changed, 1310 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c
new file mode 100644
index 00000000000..37b146961ae
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/lmedm04.c
@@ -0,0 +1,1310 @@
+/* DVB USB compliant linux driver for
+ *
+ * DM04/QQBOX DVB-S USB BOX     LME2510C + SHARP:BS2F7HZ7395
+ *                              LME2510C + LG TDQY-P001F
+ *                              LME2510C + BS2F7HZ0194
+ *                              LME2510 + LG TDQY-P001F
+ *                              LME2510 + BS2F7HZ0194
+ *
+ * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
+ * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
+ *
+ * MV001F (LME2510+LGTDQY-P001F)
+ * LG TDQY - P001F =(TDA8263 + TDA10086H)
+ *
+ * MVB0001F (LME2510C+LGTDQT-P001F)
+ *
+ * MV0194 (LME2510+SHARP:BS2F7HZ0194)
+ * SHARP:BS2F7HZ0194 = (STV0299+IX2410)
+ *
+ * MVB0194 (LME2510C+SHARP0194)
+ *
+ * For firmware see Documentation/dvb/lmedm04.txt
+ *
+ * I2C addresses:
+ * 0xd0 - STV0288       - Demodulator
+ * 0xc0 - Sharp IX2505V - Tuner
+ * --
+ * 0x1c - TDA10086   - Demodulator
+ * 0xc0 - TDA8263    - Tuner
+ * --
+ * 0xd0 - STV0299       - Demodulator
+ * 0xc0 - IX2410        - Tuner
+ *
+ *
+ * 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.
+ *
+ * QQbox suffers from noise on LNB voltage.
+ *
+ *      LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
+ * with other tuners. After a cold reset streaming will not start.
+ *
+ */
+#define DVB_USB_LOG_PREFIX "LME2510(C)"
+#include <linux/usb.h>
+#include <linux/usb/input.h>
+#include <media/rc-core.h>
+
+#include "dvb-usb.h"
+#include "lmedm04.h"
+#include "tda826x.h"
+#include "tda10086.h"
+#include "stv0288.h"
+#include "ix2505v.h"
+#include "stv0299.h"
+#include "dvb-pll.h"
+#include "z0194a.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);
+
+static int dvb_usb_lme2510_firmware;
+module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
+MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
+
+static int pid_filter;
+module_param_named(pid, pid_filter, int, 0644);
+MODULE_PARM_DESC(pid, "set default 0=on 1=off");
+
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+#define TUNER_DEFAULT   0x0
+#define TUNER_LG        0x1
+#define TUNER_S7395     0x2
+#define TUNER_S0194     0x3
+
+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;
+        u8 stream_on;
+        u8 pid_size;
+        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, 100);
+        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, 200);
+        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;
+
+        ret = mutex_lock_interruptible(&d->usb_mutex);
+
+        if (ret < 0)
+                return -EAGAIN;
+
+        /* the read/write capped at 512 */
+        memcpy(buff, wbuf, (wlen > 512) ? 512 : wlen);
+
+        ret |= usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, 0x01));
+
+        ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
+
+        msleep(10);
+
+        ret |= usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x01));
+
+        ret |= lme2510_bulk_read(d->udev, buff, (rlen > 512) ?
+                        512 : rlen , 0x01);
+
+        if (rlen > 0)
+                memcpy(rbuf, buff, rlen);
+
+        mutex_unlock(&d->usb_mutex);
+
+        return (ret < 0) ? -ENODEV : 0;
+}
+
+static int lme2510_stream_restart(struct dvb_usb_device *d)
+{
+        static u8 stream_on[] = LME_ST_ON_W;
+        int ret;
+        u8 rbuff[10];
+        /*Restart Stream Command*/
+        ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
+                        rbuff, sizeof(rbuff));
+        return ret;
+}
+
+static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
+{
+        struct lme2510_state *st = d->priv;
+        static u8 pid_buff[] = LME_ZERO_PID;
+        static u8 rbuf[1];
+        u8 pid_no = index * 2;
+        u8 pid_len = pid_no + 2;
+        int ret = 0;
+        deb_info(1, "PID Setting Pid %04x", pid_out);
+
+        if (st->pid_size == 0)
+                ret |= lme2510_stream_restart(d);
+
+        pid_buff[2] = pid_no;
+        pid_buff[3] = (u8)pid_out & 0xff;
+        pid_buff[4] = pid_no + 1;
+        pid_buff[5] = (u8)(pid_out >> 8);
+
+        if (pid_len > st->pid_size)
+                st->pid_size = pid_len;
+        pid_buff[7] = 0x80 + st->pid_size;
+
+        ret |= lme2510_usb_talk(d, pid_buff ,
+                sizeof(pid_buff) , rbuf, sizeof(rbuf));
+
+        if (st->stream_on)
+                ret |= lme2510_stream_restart(d);
+
+        return ret;
+}
+
+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;
+        u32 key;
+
+        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", ibuf);
+                        if ((ibuf[4] + ibuf[5]) == 0xff) {
+                                key = ibuf[5];
+                                key += (ibuf[3] > 0)
+                                        ? (ibuf[3] ^ 0xff) << 8 : 0;
+                                key += (ibuf[2] ^ 0xff) << 16;
+                                deb_info(1, "INT Key =%08x", key);
+                                if (adap->dev->rc_dev != NULL)
+                                        rc_keydown(adap->dev->rc_dev, key, 0);
+                        }
+                        break;
+                case 0xbb:
+                        switch (st->tuner_config) {
+                        case TUNER_LG:
+                                if (ibuf[2] > 0)
+                                        st->signal_lock = ibuf[2];
+                                st->signal_level = ibuf[4];
+                                st->signal_sn = ibuf[3];
+                                st->time_key = ibuf[7];
+                                break;
+                        case TUNER_S7395:
+                        case TUNER_S0194:
+                                /* Tweak for earlier firmware*/
+                                if (ibuf[1] == 0x03) {
+                                        if (ibuf[2] > 1)
+                                                st->signal_lock = ibuf[2];
+                                        st->signal_level = ibuf[3];
+                                        st->signal_sn = ibuf[4];
+                                } else {
+                                        st->signal_level = ibuf[4];
+                                        st->signal_sn = ibuf[5];
+                                        st->signal_lock =
+                                                (st->signal_lock & 0xf7) +
+                                                ((ibuf[2] & 0x01) << 0x03);
+                                }
+                                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 Interrupt Service Started");
+
+        return 0;
+}
+
+static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+        struct lme2510_state *st = adap->dev->priv;
+        static u8 clear_pid_reg[] = LME_CLEAR_PID;
+        static u8 rbuf[1];
+        int ret;
+
+        deb_info(1, "PID Clearing Filter");
+
+        ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
+        if (ret < 0)
+                return -EAGAIN;
+
+        if (!onoff)
+                ret |= lme2510_usb_talk(adap->dev, clear_pid_reg,
+                        sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
+
+        st->pid_size = 0;
+
+        mutex_unlock(&adap->dev->i2c_mutex);
+
+        return 0;
+}
+
+static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
+        int onoff)
+{
+        int ret = 0;
+
+        deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
+                pid, index, onoff);
+
+        if (onoff)
+                if (!pid_filter) {
+                        ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
+                        if (ret < 0)
+                                return -EAGAIN;
+                        ret |= lme2510_enable_pid(adap->dev, index, pid);
+                        mutex_unlock(&adap->dev->i2c_mutex);
+        }
+
+
+        return ret;
+}
+
+
+static int lme2510_return_status(struct usb_device *dev)
+{
+        int ret = 0;
+        u8 *data;
+
+        data = kzalloc(10, GFP_KERNEL);
+        if (!data)
+                return -ENOMEM;
+
+        ret |= usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+                        0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
+        info("Firmware Status: %x (%x)", ret , data[2]);
+
+        ret = (ret < 0) ? -ENODEV : data[2];
+        kfree(data);
+        return ret;
+}
+
+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 (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                        return -EAGAIN;
+
+        if (st->i2c_talk_onoff == 1) {
+
+                ret = lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
+
+                switch (st->tuner_config) {
+                case TUNER_LG:
+                        if (wbuf[2] == 0x1c) {
+                                if (wbuf[3] == 0x0e) {
+                                        st->signal_lock = rbuf[1];
+                                        if ((st->stream_on & 1) &&
+                                                (st->signal_lock & 0x10)) {
+                                                lme2510_stream_restart(d);
+                                                st->i2c_talk_onoff = 0;
+                                        }
+                                        msleep(80);
+                                }
+                        }
+                        break;
+                case TUNER_S7395:
+                        if (wbuf[2] == 0xd0) {
+                                if (wbuf[3] == 0x24) {
+                                        st->signal_lock = rbuf[1];
+                                        if ((st->stream_on & 1) &&
+                                                (st->signal_lock & 0x8)) {
+                                                lme2510_stream_restart(d);
+                                                st->i2c_talk_onoff = 0;
+                                        }
+                                }
+                                if ((wbuf[3] != 0x6) & (wbuf[3] != 0x5))
+                                        msleep(5);
+                        }
+                        break;
+                case TUNER_S0194:
+                        if (wbuf[2] == 0xd0) {
+                                if (wbuf[3] == 0x1b) {
+                                        st->signal_lock = rbuf[1];
+                                        if ((st->stream_on & 1) &&
+                                                (st->signal_lock & 0x8)) {
+                                                lme2510_stream_restart(d);
+                                                st->i2c_talk_onoff = 0;
+                                        }
+                                }
+                        }
+                        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;
+                        case 0x15:
+                        case 0x16:
+                        case 0x17:
+                        case 0x18:
+                                rbuf[0] = 0x55;
+                                rbuf[1] = 0x00;
+                                break;
+                        default:
+                                lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
+                                st->i2c_talk_onoff = 1;
+                                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_lock;
+                                break;
+                        case 0x2e:
+                        case 0x26:
+                        case 0x27:
+                                rbuf[0] = 0x55;
+                                rbuf[1] = 0x00;
+                                break;
+                        default:
+                                lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
+                                st->i2c_talk_onoff = 1;
+                                break;
+                        }
+                        break;
+                case TUNER_S0194:
+                        switch (wbuf[3]) {
+                        case 0x18:
+                                rbuf[0] = 0x55;
+                                rbuf[1] = (st->signal_level & 0x80)
+                                                ? 0 : (st->signal_level * 2);
+                                break;
+                        case 0x24:
+                                rbuf[0] = 0x55;
+                                rbuf[1] = st->signal_sn;
+                                break;
+                        case 0x1b:
+                                rbuf[0] = 0x55;
+                                rbuf[1] = st->signal_lock;
+                                break;
+                        case 0x19:
+                        case 0x25:
+                        case 0x1e:
+                        case 0x1d:
+                                rbuf[0] = 0x55;
+                                rbuf[1] = 0x00;
+                                break;
+                        default:
+                                lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
+                                st->i2c_talk_onoff = 1;
+                                break;
+                        }
+                        break;
+                default:
+                        break;
+                }
+
+                deb_info(4, "I2C From Interrupt Message out(%02x) in(%02x)",
+                                wbuf[3], rbuf[1]);
+
+        }
+
+        mutex_unlock(&d->i2c_mutex);
+
+        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)
+{
+        *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 clear_reg_3[] = LME_CLEAR_PID;
+        static u8 rbuf[1];
+        int ret = 0, rlen = sizeof(rbuf);
+
+        deb_info(1, "STM  (%02x)", onoff);
+
+        /* Streaming is started by FE_HAS_LOCK */
+        if (onoff == 1)
+                st->stream_on = 1;
+        else {
+                deb_info(1, "STM Steam Off");
+                /* mutex is here only to avoid collision with I2C */
+                if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
+                        return -EAGAIN;
+
+                ret = lme2510_usb_talk(adap->dev, clear_reg_3,
+                                sizeof(clear_reg_3), rbuf, rlen);
+                st->stream_on = 0;
+                st->i2c_talk_onoff = 1;
+
+                mutex_unlock(&adap->dev->i2c_mutex);
+        }
+
+        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;
+        u16 j, wlen, len_in, start, end;
+        u8 packet_size, dlen, i;
+        u8 *fw_data;
+
+        packet_size = 0x31;
+        len_in = 1;
+
+        data = kzalloc(512, GFP_KERNEL);
+        if (!data) {
+                info("FRM Could not start Firmware Download (Buffer allocation failed)");
+                return -ENOMEM;
+        }
+
+        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");
+
+        kfree(data);
+        return (ret < 0) ? -ENODEV : 0;
+}
+
+static void lme_coldreset(struct usb_device *dev)
+{
+        int ret = 0, len_in;
+        u8 data[512] = {0};
+
+        data[0] = 0x0a;
+        len_in = 1;
+        info("FRM Firmware Cold Reset");
+        ret |= lme2510_bulk_write(dev, data , len_in, 1); /*Cold Resetting*/
+        ret |= lme2510_bulk_read(dev, data, len_in, 1);
+
+        return;
+}
+
+static int lme_firmware_switch(struct usb_device *udev, int cold)
+{
+        const struct firmware *fw = NULL;
+        const char fw_c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
+        const char fw_c_lg[] = "dvb-usb-lme2510c-lg.fw";
+        const char fw_c_s0194[] = "dvb-usb-lme2510c-s0194.fw";
+        const char fw_lg[] = "dvb-usb-lme2510-lg.fw";
+        const char fw_s0194[] = "dvb-usb-lme2510-s0194.fw";
+        const char *fw_lme;
+        int ret, cold_fw;
+
+        cold = (cold > 0) ? (cold & 1) : 0;
+
+        cold_fw = !cold;
+
+        if (le16_to_cpu(udev->descriptor.idProduct) == 0x1122) {
+                switch (dvb_usb_lme2510_firmware) {
+                default:
+                        dvb_usb_lme2510_firmware = TUNER_S0194;
+                case TUNER_S0194:
+                        fw_lme = fw_s0194;
+                        ret = request_firmware(&fw, fw_lme, &udev->dev);
+                        if (ret == 0) {
+                                cold = 0;
+                                break;
+                        }
+                        dvb_usb_lme2510_firmware = TUNER_LG;
+                case TUNER_LG:
+                        fw_lme = fw_lg;
+                        ret = request_firmware(&fw, fw_lme, &udev->dev);
+                        if (ret == 0)
+                                break;
+                        info("FRM No Firmware Found - please install");
+                        dvb_usb_lme2510_firmware = TUNER_DEFAULT;
+                        cold = 0;
+                        cold_fw = 0;
+                        break;
+                }
+        } else {
+                switch (dvb_usb_lme2510_firmware) {
+                default:
+                        dvb_usb_lme2510_firmware = TUNER_S7395;
+                case TUNER_S7395:
+                        fw_lme = fw_c_s7395;
+                        ret = request_firmware(&fw, fw_lme, &udev->dev);
+                        if (ret == 0) {
+                                cold = 0;
+                                break;
+                        }
+                        dvb_usb_lme2510_firmware = TUNER_LG;
+                case TUNER_LG:
+                        fw_lme = fw_c_lg;
+                        ret = request_firmware(&fw, fw_lme, &udev->dev);
+                        if (ret == 0)
+                                break;
+                        dvb_usb_lme2510_firmware = TUNER_S0194;
+                case TUNER_S0194:
+                        fw_lme = fw_c_s0194;
+                        ret = request_firmware(&fw, fw_lme, &udev->dev);
+                        if (ret == 0)
+                                break;
+                        info("FRM No Firmware Found - please install");
+                        dvb_usb_lme2510_firmware = TUNER_DEFAULT;
+                        cold = 0;
+                        cold_fw = 0;
+                        break;
+                }
+        }
+
+        if (cold_fw) {
+                info("FRM Loading %s file", fw_lme);
+                ret = lme2510_download_firmware(udev, fw);
+        }
+
+        release_firmware(fw);
+
+        if (cold) {
+                info("FRM Changing to %s firmware", fw_lme);
+                lme_coldreset(udev);
+                return -ENODEV;
+        }
+
+        return ret;
+}
+
+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 struct stv0299_config sharp_z0194_config = {
+        .demod_address = 0xd0,
+        .inittab = sharp_z0194a_inittab,
+        .mclk = 88000000UL,
+        .invert = 0,
+        .skip_reinit = 0,
+        .lock_output = STV0299_LOCKOUTPUT_1,
+        .volt13_op0_op1 = STV0299_VOLT13_OP1,
+        .min_delay_ms = 100,
+        .set_symbol_rate = sharp_z0194a_set_symbol_rate,
+};
+
+static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
+                                        fe_sec_voltage_t voltage)
+{
+        struct dvb_usb_adapter *adap = fe->dvb->priv;
+        static u8 voltage_low[] = LME_VOLTAGE_L;
+        static u8 voltage_high[] = LME_VOLTAGE_H;
+        static u8 rbuf[1];
+        int ret = 0, len = 3, rlen = 1;
+
+        if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
+                        return -EAGAIN;
+
+        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;
+        }
+
+        mutex_unlock(&adap->dev->i2c_mutex);
+
+        return (ret < 0) ? -ENODEV : 0;
+}
+
+static int lme_name(struct dvb_usb_adapter *adap)
+{
+        struct lme2510_state *st = adap->dev->priv;
+        const char *desc = adap->dev->desc->name;
+        char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
+                                " SHARP:BS2F7HZ0194"};
+        char *name = adap->fe->ops.info.name;
+
+        strlcpy(name, desc, 128);
+        strlcat(name, fe_name[st->tuner_config], 128);
+
+        return 0;
+}
+
+static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
+{
+        struct lme2510_state *st = adap->dev->priv;
+
+        int ret = 0;
+
+        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");
+                st->i2c_tuner_gate_w = 4;
+                st->i2c_tuner_gate_r = 4;
+                st->i2c_tuner_addr = 0xc0;
+                st->tuner_config = TUNER_LG;
+                if (dvb_usb_lme2510_firmware != TUNER_LG) {
+                        dvb_usb_lme2510_firmware = TUNER_LG;
+                        ret = lme_firmware_switch(adap->dev->udev, 1);
+                }
+                goto end;
+        }
+
+        st->i2c_gate = 4;
+        adap->fe = dvb_attach(stv0299_attach, &sharp_z0194_config,
+                        &adap->dev->i2c_adap);
+        if (adap->fe) {
+                info("FE Found Stv0299");
+                st->i2c_tuner_gate_w = 4;
+                st->i2c_tuner_gate_r = 5;
+                st->i2c_tuner_addr = 0xc0;
+                st->tuner_config = TUNER_S0194;
+                if (dvb_usb_lme2510_firmware != TUNER_S0194) {
+                        dvb_usb_lme2510_firmware = TUNER_S0194;
+                        ret = lme_firmware_switch(adap->dev->udev, 1);
+                }
+                goto end;
+        }
+
+        st->i2c_gate = 5;
+        adap->fe = dvb_attach(stv0288_attach, &lme_config,
+                        &adap->dev->i2c_adap);
+        if (adap->fe) {
+                info("FE Found Stv0288");
+                st->i2c_tuner_gate_w = 4;
+                st->i2c_tuner_gate_r = 5;
+                st->i2c_tuner_addr = 0xc0;
+                st->tuner_config = TUNER_S7395;
+                if (dvb_usb_lme2510_firmware != TUNER_S7395) {
+                        dvb_usb_lme2510_firmware = TUNER_S7395;
+                        ret = lme_firmware_switch(adap->dev->udev, 1);
+                }
+        } else {
+                info("DM04 Not Supported");
+                return -ENODEV;
+        }
+
+
+end:    if (ret) {
+                if (adap->fe) {
+                        dvb_frontend_detach(adap->fe);
+                        adap->fe = NULL;
+                }
+                adap->dev->props.rc.core.rc_codes = NULL;
+                return -ENODEV;
+        }
+
+        adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
+        ret = lme_name(adap);
+        return ret;
+}
+
+static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
+{
+        struct lme2510_state *st = adap->dev->priv;
+        char *tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA"};
+        int ret = 0;
+
+        switch (st->tuner_config) {
+        case TUNER_LG:
+                if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
+                        &adap->dev->i2c_adap, 1))
+                        ret = st->tuner_config;
+                break;
+        case TUNER_S7395:
+                if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
+                        &adap->dev->i2c_adap))
+                        ret = st->tuner_config;
+                break;
+        case TUNER_S0194:
+                if (dvb_attach(dvb_pll_attach , adap->fe, 0xc0,
+                        &adap->dev->i2c_adap, DVB_PLL_OPERA1))
+                        ret = st->tuner_config;
+                break;
+        default:
+                break;
+        }
+
+        if (ret)
+                info("TUN Found %s tuner", tun_msg[ret]);
+        else {
+                info("TUN No tuner found --- reseting device");
+                lme_coldreset(adap->dev->udev);
+                return -ENODEV;
+        }
+
+        /* Start the Interrupt*/
+        ret = lme2510_int_read(adap);
+        if (ret < 0) {
+                info("INT Unable to start Interrupt Service");
+                return -ENODEV;
+        }
+
+        return ret;
+}
+
+static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
+{
+        struct lme2510_state *st = d->priv;
+        static u8 lnb_on[] = LNB_ON;
+        static u8 lnb_off[] = LNB_OFF;
+        static u8 rbuf[1];
+        int ret, len = 3, rlen = 1;
+
+        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        if (onoff)
+                ret = lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
+        else
+                ret = lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
+
+        st->i2c_talk_onoff = 1;
+
+        mutex_unlock(&d->i2c_mutex);
+
+        return ret;
+}
+
+/* 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 (lme2510_return_status(udev) == 0x44) {
+                lme_firmware_switch(udev, 0);
+                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,
+        .size_of_priv = sizeof(struct lme2510_state),
+        .num_adapters = 1,
+        .adapter = {
+                {
+                        .caps = DVB_USB_ADAP_HAS_PID_FILTER|
+                                DVB_USB_ADAP_NEED_PID_FILTERING|
+                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+                        .streaming_ctrl   = lme2510_streaming_ctrl,
+                        .pid_filter_count = 15,
+                        .pid_filter = lme2510_pid_filter,
+                        .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
+                        .frontend_attach  = dm04_lme2510_frontend_attach,
+                        .tuner_attach = dm04_lme2510_tuner,
+                        /* parameter for the MPEG2-data transfer */
+                        .stream = {
+                                .type = USB_BULK,
+                                .count = 10,
+                                .endpoint = 0x06,
+                                .u = {
+                                        .bulk = {
+                                                .buffersize = 4096,
+
+                                        }
+                                }
+                        }
+                }
+        },
+        .rc.core = {
+                .protocol       = RC_TYPE_NEC,
+                .module_name    = "LME2510 Remote Control",
+                .allowed_protos = RC_TYPE_NEC,
+                .rc_codes       = RC_MAP_LME2510,
+        },
+        .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",
+                        { &lme2510_table[0], NULL },
+                        },
+
+        }
+};
+
+static struct dvb_usb_device_properties lme2510c_properties = {
+        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+        .size_of_priv = sizeof(struct lme2510_state),
+        .num_adapters = 1,
+        .adapter = {
+                {
+                        .caps = DVB_USB_ADAP_HAS_PID_FILTER|
+                                DVB_USB_ADAP_NEED_PID_FILTERING|
+                                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+                        .streaming_ctrl   = lme2510_streaming_ctrl,
+                        .pid_filter_count = 15,
+                        .pid_filter = lme2510_pid_filter,
+                        .pid_filter_ctrl  = lme2510_pid_filter_ctrl,
+                        .frontend_attach  = dm04_lme2510_frontend_attach,
+                        .tuner_attach = dm04_lme2510_tuner,
+                        /* parameter for the MPEG2-data transfer */
+                        .stream = {
+                                .type = USB_BULK,
+                                .count = 10,
+                                .endpoint = 0x8,
+                                .u = {
+                                        .bulk = {
+                                                .buffersize = 4096,
+
+                                        }
+                                }
+                        }
+                }
+        },
+        .rc.core = {
+                .protocol       = RC_TYPE_NEC,
+                .module_name    = "LME2510 Remote Control",
+                .allowed_protos = RC_TYPE_NEC,
+                .rc_codes       = RC_MAP_LME2510,
+        },
+        .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_DVB-S",
+                        { &lme2510_table[1], NULL },
+                        },
+        }
+};
+
+static void *lme2510_exit_int(struct dvb_usb_device *d)
+{
+        struct lme2510_state *st = d->priv;
+        struct dvb_usb_adapter *adap = &d->adapter[0];
+        void *buffer = NULL;
+
+        if (adap != NULL) {
+                lme2510_kill_urb(&adap->stream);
+                adap->feedcount = 0;
+        }
+
+        if (st->usb_buffer != NULL) {
+                st->i2c_talk_onoff = 1;
+                st->signal_lock = 0;
+                st->signal_level = 0;
+                st->signal_sn = 0;
+                buffer = st->usb_buffer;
+        }
+
+        if (st->lme_urb != NULL) {
+                usb_kill_urb(st->lme_urb);
+                usb_free_coherent(d->udev, 5000, st->buffer,
+                                  st->lme_urb->transfer_dma);
+                info("Interrupt Service Stopped");
+        }
+
+        return buffer;
+}
+
+static void lme2510_exit(struct usb_interface *intf)
+{
+        struct dvb_usb_device *d = usb_get_intfdata(intf);
+        void *usb_buffer;
+
+        if (d != NULL) {
+                usb_buffer = lme2510_exit_int(d);
+                dvb_usb_device_exit(intf);
+                if (usb_buffer != NULL)
+                        kfree(usb_buffer);
+        }
+}
+
+static struct usb_driver lme2510_driver = {
+        .name           = "LME2510C_DVB-S",
+        .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("LME2510(C) DVB-S USB2.0");
+MODULE_VERSION("1.88");
+MODULE_LICENSE("GPL");