Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[safe/jmp/linux-2.6] / drivers / media / dvb / dvb-usb / m920x.c
index 233e04d..54626a0 100644 (file)
@@ -3,8 +3,8 @@
  * 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.
+ *     under the terms of the GNU General Public License as published by the
+ *     Free Software Foundation, version 2.
  *
  * see Documentation/dvb/README.dvb-usb for more information
  */
 #include "qt1010.h"
 #include "tda1004x.h"
 #include "tda827x.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);
 
-static struct dvb_usb_rc_key megasky_rc_keys [] = {
-       { 0x0, 0x12, KEY_POWER },
-       { 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
-       { 0x0, 0x02, KEY_CHANNELUP },
-       { 0x0, 0x05, KEY_CHANNELDOWN },
-       { 0x0, 0x03, KEY_VOLUMEUP },
-       { 0x0, 0x06, KEY_VOLUMEDOWN },
-       { 0x0, 0x04, KEY_MUTE },
-       { 0x0, 0x07, KEY_OK }, /* TS */
-       { 0x0, 0x08, KEY_STOP },
-       { 0x0, 0x09, KEY_MENU }, /* swap */
-       { 0x0, 0x0a, KEY_REWIND },
-       { 0x0, 0x1b, KEY_PAUSE },
-       { 0x0, 0x1f, KEY_FASTFORWARD },
-       { 0x0, 0x0c, KEY_RECORD },
-       { 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
-       { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
-};
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
-static struct dvb_usb_rc_key tvwalkertwin_rc_keys [] = {
-       { 0x0, 0x01, KEY_ZOOM }, /* Full Screen */
-       { 0x0, 0x02, KEY_CAMERA }, /* snapshot */
-       { 0x0, 0x03, KEY_MUTE },
-       { 0x0, 0x04, KEY_REWIND },
-       { 0x0, 0x05, KEY_PLAYPAUSE }, /* Play/Pause */
-       { 0x0, 0x06, KEY_FASTFORWARD },
-       { 0x0, 0x07, KEY_RECORD },
-       { 0x0, 0x08, KEY_STOP },
-       { 0x0, 0x09, KEY_TIME }, /* Timeshift */
-       { 0x0, 0x0c, KEY_COFFEE }, /* Recall */
-       { 0x0, 0x0e, KEY_CHANNELUP },
-       { 0x0, 0x12, KEY_POWER },
-       { 0x0, 0x15, KEY_MENU }, /* source */
-       { 0x0, 0x18, KEY_CYCLEWINDOWS }, /* TWIN PIP */
-       { 0x0, 0x1a, KEY_CHANNELDOWN },
-       { 0x0, 0x1b, KEY_VOLUMEDOWN },
-       { 0x0, 0x1e, KEY_VOLUMEUP },
-};
+static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid);
 
-static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
+static inline int m920x_read(struct usb_device *udev, u8 request, u16 value,
                             u16 index, void *data, int size)
 {
        int ret;
@@ -75,14 +41,14 @@ static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
        }
 
        if (ret != size) {
-               deb_rc("m920x_read = no data\n");
+               deb("m920x_read = no data\n");
                return -EIO;
        }
 
        return 0;
 }
 
-static inline int m9206_write(struct usb_device *udev, u8 request,
+static inline int m920x_write(struct usb_device *udev, u8 request,
                              u16 value, u16 index)
 {
        int ret;
@@ -94,38 +60,83 @@ static inline int m9206_write(struct usb_device *udev, u8 request,
        return ret;
 }
 
-static int m9206_init(struct dvb_usb_device *d, struct m9206_inits *rc_seq)
+static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
 {
-       int ret = 0;
+       int ret = 0, i, epi, flags = 0;
+       int adap_enabled[M9206_MAX_ADAPTERS] = { 0 };
 
        /* Remote controller init. */
        if (d->props.rc_query) {
-               deb_rc("Initialising remote control\n");
+               deb("Initialising remote control\n");
                while (rc_seq->address) {
-                       if ((ret = m9206_write(d->udev, M9206_CORE, rc_seq->data, rc_seq->address)) != 0) {
-                               deb_rc("Initialising remote control failed\n");
+                       if ((ret = m920x_write(d->udev, M9206_CORE,
+                                              rc_seq->data,
+                                              rc_seq->address)) != 0) {
+                               deb("Initialising remote control failed\n");
                                return ret;
                        }
 
                        rc_seq++;
                }
 
-               deb_rc("Initialising remote control success\n");
+               deb("Initialising remote control success\n");
+       }
+
+       for (i = 0; i < d->props.num_adapters; i++)
+               flags |= d->adapter[i].props.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.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 ret;
 }
 
-static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+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 int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 {
-       struct m9206_state *m = d->priv;
+       struct m920x_state *m = d->priv;
        int i, ret = 0;
        u8 rc_state[2];
 
-       if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
+       if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
                goto unlock;
 
-       if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
+       if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
                goto unlock;
 
        for (i = 0; i < d->props.rc_key_map_size; i++)
@@ -160,25 +171,24 @@ static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
                                goto unlock;
 
                        default:
-                               deb_rc("Unexpected rc state %02x\n", rc_state[0]);
+                               deb("Unexpected rc state %02x\n", rc_state[0]);
                                *state = REMOTE_NO_KEY_PRESSED;
                                goto unlock;
                        }
                }
 
        if (rc_state[1] != 0)
-               deb_rc("Unknown rc key %02x\n", rc_state[1]);
+               deb("Unknown rc key %02x\n", rc_state[1]);
 
        *state = REMOTE_NO_KEY_PRESSED;
 
      unlock:
+ unlock:
 
        return ret;
 }
 
 /* I2C */
-static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
-                         int num)
+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;
@@ -191,33 +201,40 @@ static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
                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. */
+               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 = m9206_write(d->udev, M9206_I2C, (msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0), 0x80)) != 0)
+                       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) {
                        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 = m9206_read(d->udev, M9206_I2C, 0x0, 0x20|stop, &msg[i].buf[j], 1)) != 0)
+                               /* 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,
+                                                     &msg[i].buf[j], 1)) != 0)
                                        goto unlock;
                        }
                } 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 = m9206_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)
+                               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. */
                        }
@@ -225,25 +242,24 @@ static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
        }
        ret = num;
 
-unlock:
+ unlock:
        mutex_unlock(&d->i2c_mutex);
 
        return ret;
 }
 
-static u32 m9206_i2c_func(struct i2c_adapter *adapter)
+static u32 m920x_i2c_func(struct i2c_adapter *adapter)
 {
        return I2C_FUNC_I2C;
 }
 
-static struct i2c_algorithm m9206_i2c_algo = {
-       .master_xfer   = m9206_i2c_xfer,
-       .functionality = m9206_i2c_func,
+static struct i2c_algorithm m920x_i2c_algo = {
+       .master_xfer   = m920x_i2c_xfer,
+       .functionality = m920x_i2c_func,
 };
 
-
-static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx,
-                           int pid)
+/* pid filter */
+static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid)
 {
        int ret = 0;
 
@@ -252,76 +268,69 @@ static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx,
 
        pid |= 0x8000;
 
-       if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
+       if ((ret = m920x_write(d->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
                return ret;
 
-       if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
+       if ((ret = m920x_write(d->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
                return ret;
 
        return ret;
 }
 
-static int m9206_update_filters(struct dvb_usb_adapter *adap)
+static int m920x_update_filters(struct dvb_usb_adapter *adap)
 {
-       struct m9206_state *m = adap->dev->priv;
-       int enabled = m->filtering_enabled;
+       struct m920x_state *m = adap->dev->priv;
+       int enabled = m->filtering_enabled[adap->id];
        int i, ret = 0, filter = 0;
+       int ep = adap->props.stream.endpoint;
 
        for (i = 0; i < M9206_MAX_FILTERS; i++)
-               if (m->filters[i] == 8192)
+               if (m->filters[adap->id][i] == 8192)
                        enabled = 0;
 
        /* Disable all filters */
-       if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0)
+       if ((ret = m920x_set_filter(adap->dev, ep, 1, enabled)) != 0)
                return ret;
 
        for (i = 0; i < M9206_MAX_FILTERS; i++)
-               if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0)
+               if ((ret = m920x_set_filter(adap->dev, ep, i + 2, 0)) != 0)
                        return ret;
 
-       if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0)
-               return ret;
-
        /* Set */
        if (enabled) {
                for (i = 0; i < M9206_MAX_FILTERS; i++) {
-                       if (m->filters[i] == 0)
+                       if (m->filters[adap->id][i] == 0)
                                continue;
 
-                       if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
+                       if ((ret = m920x_set_filter(adap->dev, ep, filter + 2, m->filters[adap->id][i])) != 0)
                                return ret;
 
                        filter++;
                }
        }
 
-       if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
-               return ret;
-
        return ret;
 }
 
-static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+static int m920x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 {
-       struct m9206_state *m = adap->dev->priv;
+       struct m920x_state *m = adap->dev->priv;
 
-       m->filtering_enabled = onoff ? 1 : 0;
+       m->filtering_enabled[adap->id] = onoff ? 1 : 0;
 
-       return m9206_update_filters(adap);
+       return m920x_update_filters(adap);
 }
 
-static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
-                           int onoff)
+static int m920x_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
 {
-       struct m9206_state *m = adap->dev->priv;
+       struct m920x_state *m = adap->dev->priv;
 
-       m->filters[index] = onoff ? pid : 0;
+       m->filters[adap->id][index] = onoff ? pid : 0;
 
-       return m9206_update_filters(adap);
+       return m920x_update_filters(adap);
 }
 
-static int m9206_firmware_download(struct usb_device *udev,
-                                  const struct firmware *fw)
+static int m920x_firmware_download(struct usb_device *udev, const struct firmware *fw)
 {
        u16 value, index, size;
        u8 read[4], *buff;
@@ -329,23 +338,23 @@ static int m9206_firmware_download(struct usb_device *udev,
 
        buff = kmalloc(65536, GFP_KERNEL);
 
-       if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
+       if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
                goto done;
-       deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
+       deb("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
 
-       if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
+       if ((ret = m920x_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
                goto done;
-       deb_rc("%x\n", read[0]);
+       deb("%x\n", read[0]);
 
        for (pass = 0; pass < 2; pass++) {
                for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
-                       value = le16_to_cpu(*(u16 *)(fw->data + i));
+                       value = get_unaligned_le16(fw->data + i);
                        i += sizeof(u16);
 
-                       index = le16_to_cpu(*(u16 *)(fw->data + i));
+                       index = get_unaligned_le16(fw->data + i);
                        i += sizeof(u16);
 
-                       size = le16_to_cpu(*(u16 *)(fw->data + i));
+                       size = get_unaligned_le16(fw->data + i);
                        i += sizeof(u16);
 
                        if (pass == 1) {
@@ -353,11 +362,11 @@ static int m9206_firmware_download(struct usb_device *udev,
                                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);
+                                                     M9206_FW,
+                                                     USB_TYPE_VENDOR | USB_DIR_OUT,
+                                                     value, index, buff, size, 20);
                                if (ret != size) {
-                                       deb_rc("error while uploading fw!\n");
+                                       deb("error while uploading fw!\n");
                                        ret = -EIO;
                                        goto done;
                                }
@@ -366,7 +375,7 @@ static int m9206_firmware_download(struct usb_device *udev,
                        i += size;
                }
                if (i != fw->size) {
-                       deb_rc("bad firmware file!\n");
+                       deb("bad firmware file!\n");
                        ret = -EINVAL;
                        goto done;
                }
@@ -374,11 +383,11 @@ static int m9206_firmware_download(struct usb_device *udev,
 
        msleep(36);
 
-       /* m9206 will disconnect itself from the bus after this. */
-       (void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
-       deb_rc("firmware uploaded!\n");
+       /* m920x will disconnect itself from the bus after this. */
+       (void) m920x_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
+       deb("firmware uploaded!\n");
 
      done:
+ done:
        kfree(buff);
 
        return ret;
@@ -398,8 +407,10 @@ static int m920x_identify_state(struct usb_device *udev,
        return 0;
 }
 
-static int megasky_mt352_demod_init(struct dvb_frontend *fe)
+/* 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 };
@@ -409,56 +420,35 @@ static int megasky_mt352_demod_init(struct dvb_frontend *fe)
        u8 unk1[] = { 0x93, 0x1a };
        u8 unk2[] = { 0xb5, 0x7a };
 
-       mt352_write(fe, config, ARRAY_SIZE(config));
-       mt352_write(fe, clock, ARRAY_SIZE(clock));
-       mt352_write(fe, reset, ARRAY_SIZE(reset));
-       mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl));
-       mt352_write(fe, agc, ARRAY_SIZE(agc));
-       mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc));
-       mt352_write(fe, unk1, ARRAY_SIZE(unk1));
-       mt352_write(fe, unk2, ARRAY_SIZE(unk2));
+       deb("Demod init!\n");
 
-       deb_rc("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 megasky_mt352_config = {
+static struct mt352_config m920x_mt352_config = {
        .demod_address = 0x0f,
        .no_tuner = 1,
-       .demod_init = megasky_mt352_demod_init,
+       .demod_init = m920x_mt352_demod_init,
 };
 
-static int megasky_mt352_frontend_attach(struct dvb_usb_adapter *adap)
-{
-       deb_rc("megasky_frontend_attach!\n");
-
-       if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) == NULL)
-               return -EIO;
-
-       return 0;
-}
-
-static struct qt1010_config megasky_qt1010_config = {
-       .i2c_address = 0x62
-};
-
-static int megasky_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
-{
-       if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap,
-                      &megasky_qt1010_config) == NULL)
-               return -ENODEV;
-
-       return 0;
-}
-
-static struct m9206_inits megasky_rc_init [] = {
-       { M9206_RC_INIT2, 0xa8 },
-       { M9206_RC_INIT1, 0x51 },
-       { } /* terminating entry */
-};
-
-static struct tda1004x_config digivox_tda10046_config = {
+static struct tda1004x_config m920x_tda10046_08_config = {
        .demod_address = 0x08,
        .invert = 0,
        .invert_oclk = 0,
@@ -470,34 +460,8 @@ static struct tda1004x_config digivox_tda10046_config = {
        .request_firmware = NULL,
 };
 
-static int digivox_tda10046_frontend_attach(struct dvb_usb_adapter *adap)
-{
-       deb_rc("digivox_tda10046_frontend_attach!\n");
-
-       if ((adap->fe = dvb_attach(tda10046_attach, &digivox_tda10046_config,
-                                  &adap->dev->i2c_adap)) == NULL)
-               return -EIO;
-
-       return 0;
-}
-
-static int digivox_tda8275_tuner_attach(struct dvb_usb_adapter *adap)
-{
-       if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap,
-                      NULL) == NULL)
-               return -ENODEV;
-       return 0;
-}
-
-/* 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 tda1004x_config tvwalkertwin_0_tda10046_config = {
-       .demod_address = 0x08,
+static struct tda1004x_config m920x_tda10046_0b_config = {
+       .demod_address = 0x0b,
        .invert = 0,
        .invert_oclk = 0,
        .ts_mode = TDA10046_TS_SERIAL,
@@ -508,73 +472,86 @@ static struct tda1004x_config tvwalkertwin_0_tda10046_config = {
        .request_firmware = NULL, /* uses firmware EEPROM */
 };
 
-static struct tda1004x_config tvwalkertwin_1_tda10046_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 int tvwalkertwin_0_tda10046_frontend_attach(struct dvb_usb_adapter *adap)
+/* Callbacks for DVB USB */
+static int m920x_mt352_frontend_attach(struct dvb_usb_adapter *adap)
 {
-       deb_rc("tvwalkertwin_0_tda10046_frontend_attach!\n");
+       deb("%s\n",__func__);
 
-       if ((adap->fe = dvb_attach(tda10046_attach, &tvwalkertwin_0_tda10046_config, &adap->dev->i2c_adap)) == NULL)
+       if ((adap->fe = dvb_attach(mt352_attach,
+                                  &m920x_mt352_config,
+                                  &adap->dev->i2c_adap)) == NULL)
                return -EIO;
 
-       deb_rc("Attached demod 0 at address %02x\n", tvwalkertwin_0_tda10046_config.demod_address);
-
        return 0;
 }
 
-static int tvwalkertwin_1_tda10046_frontend_attach(struct dvb_usb_adapter *adap)
+static int m920x_tda10046_08_frontend_attach(struct dvb_usb_adapter *adap)
 {
-       deb_rc("tvwalkertwin_1_tda10046_frontend_attach!\n");
+       deb("%s\n",__func__);
 
-       if ((adap->fe = dvb_attach(tda10046_attach, &tvwalkertwin_1_tda10046_config, &adap->dev->i2c_adap)) == NULL)
+       if ((adap->fe = dvb_attach(tda10046_attach,
+                                  &m920x_tda10046_08_config,
+                                  &adap->dev->i2c_adap)) == NULL)
                return -EIO;
 
-       deb_rc("Attached demod 1 at address %02x\n", tvwalkertwin_1_tda10046_config.demod_address);
-
        return 0;
 }
 
-static int tvwalkertwin_0_tda8275_tuner_attach(struct dvb_usb_adapter *adap)
+static int m920x_tda10046_0b_frontend_attach(struct dvb_usb_adapter *adap)
 {
-       int address = 0x60;
+       deb("%s\n",__func__);
 
-       deb_rc("tvwalkertwin_0_tda8275_tuner_attach!\n");
+       if ((adap->fe = dvb_attach(tda10046_attach,
+                                  &m920x_tda10046_0b_config,
+                                  &adap->dev->i2c_adap)) == NULL)
+               return -EIO;
 
-       if (dvb_attach(tda827x_attach, adap->fe, address, &adap->dev->i2c_adap,
-                      NULL) == NULL)
-               return -ENODEV;
+       return 0;
+}
 
-       deb_rc("Attached tuner 0 at address %02x\n", address);
+static int m920x_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
+{
+       deb("%s\n",__func__);
+
+       if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap, &m920x_qt1010_config) == NULL)
+               return -ENODEV;
 
        return 0;
 }
 
-static int tvwalkertwin_1_tda8275_tuner_attach(struct dvb_usb_adapter *adap)
+static int m920x_tda8275_60_tuner_attach(struct dvb_usb_adapter *adap)
 {
-       int address = 0x61;
+       deb("%s\n",__func__);
 
-       deb_rc("tvwalkertwin_1_tda8275_tuner_attach!\n");
-
-       if (dvb_attach(tda827x_attach, adap->fe, address, &adap->dev->i2c_adap,
-                      NULL) == NULL)
+       if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, NULL) == NULL)
                return -ENODEV;
 
-       deb_rc("Attached tuner 1 at address %02x\n", address);
+       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, 0x61, &adap->dev->i2c_adap, NULL) == NULL)
+               return -ENODEV;
 
        return 0;
 }
 
-static struct m9206_inits tvwalkertwin_rc_init [] = {
+/* 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 },
@@ -583,48 +560,96 @@ static struct m9206_inits tvwalkertwin_rc_init [] = {
        { } /* terminating entry */
 };
 
+/* ir keymaps */
+static struct dvb_usb_rc_key megasky_rc_keys [] = {
+       { 0x0, 0x12, KEY_POWER },
+       { 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
+       { 0x0, 0x02, KEY_CHANNELUP },
+       { 0x0, 0x05, KEY_CHANNELDOWN },
+       { 0x0, 0x03, KEY_VOLUMEUP },
+       { 0x0, 0x06, KEY_VOLUMEDOWN },
+       { 0x0, 0x04, KEY_MUTE },
+       { 0x0, 0x07, KEY_OK }, /* TS */
+       { 0x0, 0x08, KEY_STOP },
+       { 0x0, 0x09, KEY_MENU }, /* swap */
+       { 0x0, 0x0a, KEY_REWIND },
+       { 0x0, 0x1b, KEY_PAUSE },
+       { 0x0, 0x1f, KEY_FASTFORWARD },
+       { 0x0, 0x0c, KEY_RECORD },
+       { 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
+       { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
+};
+
+static struct dvb_usb_rc_key tvwalkertwin_rc_keys [] = {
+       { 0x0, 0x01, KEY_ZOOM }, /* Full Screen */
+       { 0x0, 0x02, KEY_CAMERA }, /* snapshot */
+       { 0x0, 0x03, KEY_MUTE },
+       { 0x0, 0x04, KEY_REWIND },
+       { 0x0, 0x05, KEY_PLAYPAUSE }, /* Play/Pause */
+       { 0x0, 0x06, KEY_FASTFORWARD },
+       { 0x0, 0x07, KEY_RECORD },
+       { 0x0, 0x08, KEY_STOP },
+       { 0x0, 0x09, KEY_TIME }, /* Timeshift */
+       { 0x0, 0x0c, KEY_COFFEE }, /* Recall */
+       { 0x0, 0x0e, KEY_CHANNELUP },
+       { 0x0, 0x12, KEY_POWER },
+       { 0x0, 0x15, KEY_MENU }, /* source */
+       { 0x0, 0x18, KEY_CYCLEWINDOWS }, /* TWIN PIP */
+       { 0x0, 0x1a, KEY_CHANNELDOWN },
+       { 0x0, 0x1b, KEY_VOLUMEDOWN },
+       { 0x0, 0x1e, KEY_VOLUMEUP },
+};
+
 /* 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 m9206_inits megasky_rc_init [];
-static struct m9206_inits tvwalkertwin_rc_init [];
+static struct dvb_usb_device_properties dposh_properties;
 
 static int m920x_probe(struct usb_interface *intf,
                       const struct usb_device_id *id)
 {
-       struct dvb_usb_device *d;
-       struct usb_host_interface *alt;
+       struct dvb_usb_device *d = NULL;
        int ret;
-       struct m9206_inits *rc_init_seq = NULL;
+       struct m920x_inits *rc_init_seq = NULL;
        int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
 
-       deb_rc("Probing for m920x device at interface %d\n", bInterfaceNumber);
+       deb("Probing for m920x device at interface %d\n", bInterfaceNumber);
 
        if (bInterfaceNumber == 0) {
                /* Single-tuner device, or first interface on
                 * multi-tuner device
                 */
 
-               if ((ret = dvb_usb_device_init(intf, &megasky_properties,
-                       THIS_MODULE, &d)) == 0) {
+               ret = dvb_usb_device_init(intf, &megasky_properties,
+                                         THIS_MODULE, &d, adapter_nr);
+               if (ret == 0) {
                        rc_init_seq = megasky_rc_init;
                        goto found;
                }
 
-               if ((ret = dvb_usb_device_init(intf,
-                       &digivox_mini_ii_properties, THIS_MODULE, &d)) == 0) {
+               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 */
-               if ((ret = dvb_usb_device_init(intf, &tvwalkertwin_properties,
-                       THIS_MODULE, &d)) == 0) {
+               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;
+               }
+
                return ret;
        } else {
                /* Another interface on a multi-tuner device */
@@ -633,23 +658,13 @@ static int m920x_probe(struct usb_interface *intf,
                 * tvwalkertwin_properties already configured both
                 * tuners, so there is nothing for us to do here
                 */
-
-               return -ENODEV;
        }
 
-found:
-       alt = usb_altnum_to_altsetting(intf, 1);
-       if (alt == NULL) {
-               deb_rc("No alt found!\n");
-               return -ENODEV;
-       }
-
-       ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
-                               alt->desc.bAlternateSetting);
-       if (ret < 0)
+ found:
+       if ((ret = m920x_init_ep(intf)) < 0)
                return ret;
 
-       if ((ret = m9206_init(d, rc_init_seq)) != 0)
+       if (d && (ret = m920x_init(d, rc_init_seq)) != 0)
                return ret;
 
        return ret;
@@ -663,6 +678,8 @@ static struct usb_device_id m920x_table [] = {
                             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) },
                { }             /* Terminating entry */
 };
 MODULE_DEVICE_TABLE (usb, m920x_table);
@@ -672,14 +689,14 @@ static struct dvb_usb_device_properties megasky_properties = {
 
        .usb_ctrl = DEVICE_SPECIFIC,
        .firmware = "dvb-usb-megasky-02.fw",
-       .download_firmware = m9206_firmware_download,
+       .download_firmware = m920x_firmware_download,
 
        .rc_interval      = 100,
        .rc_key_map       = megasky_rc_keys,
        .rc_key_map_size  = ARRAY_SIZE(megasky_rc_keys),
-       .rc_query         = m9206_rc_query,
+       .rc_query         = m920x_rc_query,
 
-       .size_of_priv     = sizeof(struct m9206_state),
+       .size_of_priv     = sizeof(struct m920x_state),
 
        .identify_state   = m920x_identify_state,
        .num_adapters = 1,
@@ -688,11 +705,11 @@ static struct dvb_usb_device_properties megasky_properties = {
                        DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 
                .pid_filter_count = 8,
-               .pid_filter       = m9206_pid_filter,
-               .pid_filter_ctrl  = m9206_pid_filter_ctrl,
+               .pid_filter       = m920x_pid_filter,
+               .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 
-               .frontend_attach  = megasky_mt352_frontend_attach,
-               .tuner_attach     = megasky_qt1010_tuner_attach,
+               .frontend_attach  = m920x_mt352_frontend_attach,
+               .tuner_attach     = m920x_qt1010_tuner_attach,
 
                .stream = {
                        .type = USB_BULK,
@@ -705,7 +722,7 @@ static struct dvb_usb_device_properties megasky_properties = {
                        }
                },
        }},
-       .i2c_algo         = &m9206_i2c_algo,
+       .i2c_algo         = &m920x_i2c_algo,
 
        .num_device_descs = 1,
        .devices = {
@@ -721,22 +738,22 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
 
        .usb_ctrl = DEVICE_SPECIFIC,
        .firmware = "dvb-usb-digivox-02.fw",
-       .download_firmware = m9206_firmware_download,
+       .download_firmware = m920x_firmware_download,
 
-       .size_of_priv     = sizeof(struct m9206_state),
+       .size_of_priv     = sizeof(struct m920x_state),
 
        .identify_state   = m920x_identify_state,
        .num_adapters = 1,
        .adapter = {{
                .caps = DVB_USB_ADAP_HAS_PID_FILTER |
-               DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+                       DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 
                .pid_filter_count = 8,
-               .pid_filter       = m9206_pid_filter,
-               .pid_filter_ctrl  = m9206_pid_filter_ctrl,
+               .pid_filter       = m920x_pid_filter,
+               .pid_filter_ctrl  = m920x_pid_filter_ctrl,
 
-               .frontend_attach  = digivox_tda10046_frontend_attach,
-               .tuner_attach     = digivox_tda8275_tuner_attach,
+               .frontend_attach  = m920x_tda10046_08_frontend_attach,
+               .tuner_attach     = m920x_tda8275_60_tuner_attach,
 
                .stream = {
                        .type = USB_BULK,
@@ -749,7 +766,7 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
                        }
                },
        }},
-       .i2c_algo         = &m9206_i2c_algo,
+       .i2c_algo         = &m920x_i2c_algo,
 
        .num_device_descs = 1,
        .devices = {
@@ -760,71 +777,73 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
        }
 };
 
-/* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net> */
-
+/* 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 = m9206_firmware_download,
+       .download_firmware = m920x_firmware_download,
 
        .rc_interval      = 100,
        .rc_key_map       = tvwalkertwin_rc_keys,
        .rc_key_map_size  = ARRAY_SIZE(tvwalkertwin_rc_keys),
-       .rc_query         = m9206_rc_query,
+       .rc_query         = m920x_rc_query,
 
-       .size_of_priv     = sizeof(struct m9206_state),
+       .size_of_priv     = sizeof(struct m920x_state),
 
        .identify_state   = m920x_identify_state,
        .num_adapters = 2,
-       .adapter = {
-               {
-                       .caps = DVB_USB_ADAP_HAS_PID_FILTER |
-                               DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
-
-                       .pid_filter_count = 8,
-                       .pid_filter       = m9206_pid_filter,
-                       .pid_filter_ctrl  = m9206_pid_filter_ctrl,
-
-                       .frontend_attach  = tvwalkertwin_0_tda10046_frontend_attach,
-                       .tuner_attach     = tvwalkertwin_0_tda8275_tuner_attach,
-
-                       .stream = {
-                               .type = USB_BULK,
-                               .count = 8,
-                               .endpoint = 0x81,
-                               .u = {
-                                       .bulk = {
-                                               .buffersize = 512,
-                                       }
-                               }
-                       },
+       .adapter = {{
+               .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,
+                                }
+                       }
+               }},{
+               .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,
+                                }
+                       }
                },
-               {
-                       .caps = DVB_USB_ADAP_HAS_PID_FILTER |
-                               DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
-
-                       .pid_filter_count = 8,
-                       .pid_filter       = m9206_pid_filter,
-                       .pid_filter_ctrl  = m9206_pid_filter_ctrl,
-
-                       .frontend_attach  = tvwalkertwin_1_tda10046_frontend_attach,
-                       .tuner_attach     = tvwalkertwin_1_tda8275_tuner_attach,
-
-                       .stream = {
-                               .type = USB_BULK,
-                               .count = 8,
-                               .endpoint = 0x82,
-                               .u = {
-                                       .bulk = {
-                                               .buffersize = 512,
-                                       }
-                               }
-                       },
-               }
-       },
-       .i2c_algo         = &m9206_i2c_algo,
+       }},
+       .i2c_algo         = &m920x_i2c_algo,
 
        .num_device_descs = 1,
        .devices = {
@@ -835,6 +854,45 @@ static struct dvb_usb_device_properties tvwalkertwin_properties = {
        }
 };
 
+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 = {{
+               /* 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 usb_driver m920x_driver = {
        .name           = "dvb_usb_m920x",
        .probe          = m920x_probe,