Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / drivers / media / dvb / ttusb-budget / dvb-ttusb-budget.c
index 0485faa..6ceae38 100644 (file)
 #include <linux/delay.h>
 #include <linux/time.h>
 #include <linux/errno.h>
-#include <asm/semaphore.h>
+#include <linux/jiffies.h>
+#include <linux/mutex.h>
 
 #include "dvb_frontend.h"
 #include "dmxdev.h"
 #include "dvb_demux.h"
 #include "dvb_net.h"
+#include "ves1820.h"
 #include "cx22700.h"
 #include "tda1004x.h"
 #include "stv0299.h"
     so the best way is maybe to keep TTUSB_HWSECTIONS undef'd and just
     parse TS data. USB bandwith will be a problem when having large
     datastreams, especially for dvb-net, but hey, that's not my problem.
-       
+
   TTUSB_DISEQC, TTUSB_TONE:
     let the STC do the diseqc/tone stuff. this isn't supported at least with
     my TTUSB, so let it undef'd unless you want to implement another
     frontend. never tested.
-               
+
   DEBUG:
     define it to > 3 for really hardcore debugging. you probably don't want
     this unless the device doesn't load at all. > 2 for bandwidth statistics.
@@ -67,6 +69,7 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
 #define TTUSB_MAXFILTER    16  /* ??? */
 #endif
 
+#define TTUSB_REV_2_2  0x22
 #define TTUSB_BUDGET_NAME "ttusb_stc_fw"
 
 /**
@@ -78,12 +81,11 @@ struct ttusb {
        struct dmxdev dmxdev;
        struct dvb_net dvbnet;
 
-       /* our semaphore, for channel allocation/deallocation */
-       struct semaphore sem;
        /* and one for USB access. */
-       struct semaphore semusb;
+       struct mutex semi2c;
+       struct mutex semusb;
 
-       struct dvb_adapter *adapter;
+       struct dvb_adapter adapter;
        struct usb_device *dev;
 
        struct i2c_adapter i2c_adap;
@@ -118,21 +120,10 @@ struct ttusb {
        int cc;                 /* MuxCounter - will increment on EVERY MUX PACKET */
        /* (including stuffing. yes. really.) */
 
-
        u8 last_result[32];
 
-       struct ttusb_channel {
-               struct ttusb *ttusb;
-               struct dvb_demux_feed *dvbdmxfeed;
+       int revision;
 
-               int active;
-               int id;
-               int pid;
-               int type;       /* 1 - TS, 2 - Filter */
-#ifdef TTUSB_HWSECTIONS
-               int filterstate[TTUSB_MAXFILTER];       /* 0: not busy, 1: busy */
-#endif
-       } channel[TTUSB_MAXCHANNEL];
 #if 0
        devfs_handle_t stc_devfs_handle;
 #endif
@@ -158,31 +149,31 @@ static int ttusb_cmd(struct ttusb *ttusb,
        printk("\n");
 #endif
 
-       if (down_interruptible(&ttusb->semusb) < 0)
+       if (mutex_lock_interruptible(&ttusb->semusb) < 0)
                return -EAGAIN;
 
        err = usb_bulk_msg(ttusb->dev, ttusb->bulk_out_pipe,
-                          (u8 *) data, len, &actual_len, HZ);
+                          (u8 *) data, len, &actual_len, 1000);
        if (err != 0) {
                dprintk("%s: usb_bulk_msg(send) failed, err == %i!\n",
                        __FUNCTION__, err);
-               up(&ttusb->semusb);
+               mutex_unlock(&ttusb->semusb);
                return err;
        }
        if (actual_len != len) {
                dprintk("%s: only wrote %d of %d bytes\n", __FUNCTION__,
                        actual_len, len);
-               up(&ttusb->semusb);
+               mutex_unlock(&ttusb->semusb);
                return -1;
        }
 
        err = usb_bulk_msg(ttusb->dev, ttusb->bulk_in_pipe,
-                          ttusb->last_result, 32, &actual_len, HZ);
+                          ttusb->last_result, 32, &actual_len, 1000);
 
        if (err != 0) {
                printk("%s: failed, receive error %d\n", __FUNCTION__,
                       err);
-               up(&ttusb->semusb);
+               mutex_unlock(&ttusb->semusb);
                return err;
        }
 #if DEBUG >= 3
@@ -193,14 +184,14 @@ static int ttusb_cmd(struct ttusb *ttusb,
        printk("\n");
 #endif
        if (!needresult)
-               up(&ttusb->semusb);
+               mutex_unlock(&ttusb->semusb);
        return 0;
 }
 
 static int ttusb_result(struct ttusb *ttusb, u8 * data, int len)
 {
        memcpy(data, ttusb->last_result, len);
-       up(&ttusb->semusb);
+       mutex_unlock(&ttusb->semusb);
        return 0;
 }
 
@@ -233,8 +224,8 @@ static int ttusb_i2c_msg(struct ttusb *ttusb,
 
        err = ttusb_result(ttusb, b, 0x20);
 
-        /* check if the i2c transaction was successful */
-        if ((snd_len != b[5]) || (rcv_len != b[6])) return -EREMOTEIO;
+       /* check if the i2c transaction was successful */
+       if ((snd_len != b[5]) || (rcv_len != b[6])) return -EREMOTEIO;
 
        if (rcv_len > 0) {
 
@@ -252,13 +243,13 @@ static int ttusb_i2c_msg(struct ttusb *ttusb,
        return rcv_len;
 }
 
-static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg msg[], int num)
+static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, int num)
 {
        struct ttusb *ttusb = i2c_get_adapdata(adapter);
        int i = 0;
        int inc;
 
-       if (down_interruptible(&ttusb->sem) < 0)
+       if (mutex_lock_interruptible(&ttusb->semi2c) < 0)
                return -EAGAIN;
 
        while (i < num) {
@@ -292,7 +283,7 @@ static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg msg[], int nu
                i += inc;
        }
 
-       up(&ttusb->sem);
+       mutex_unlock(&ttusb->semi2c);
        return i;
 }
 
@@ -445,13 +436,17 @@ static int ttusb_init_controller(struct ttusb *ttusb)
 
        if (memcmp(get_version + 4, "V 0.0", 5) &&
            memcmp(get_version + 4, "V 1.1", 5) &&
-           memcmp(get_version + 4, "V 2.1", 5)) {
+           memcmp(get_version + 4, "V 2.1", 5) &&
+           memcmp(get_version + 4, "V 2.2", 5)) {
                printk
                    ("%s: unknown STC version %c%c%c%c%c, please report!\n",
                     __FUNCTION__, get_version[4], get_version[5],
                     get_version[6], get_version[7], get_version[8]);
        }
 
+       ttusb->revision = ((get_version[6] - '0') << 4) |
+                          (get_version[8] - '0');
+
        err =
            ttusb_cmd(ttusb, get_dsp_version, sizeof(get_dsp_version), 1);
        if (err)
@@ -468,7 +463,7 @@ static int ttusb_init_controller(struct ttusb *ttusb)
 
 #ifdef TTUSB_DISEQC
 static int ttusb_send_diseqc(struct dvb_frontend* fe,
-                     const struct dvb_diseqc_master_cmd *cmd)
+                            const struct dvb_diseqc_master_cmd *cmd)
 {
        struct ttusb* ttusb = (struct ttusb*) fe->dvb->priv;
        u8 b[12] = { 0xaa, ++ttusb->c, 0x18 };
@@ -491,6 +486,31 @@ static int ttusb_send_diseqc(struct dvb_frontend* fe,
 }
 #endif
 
+static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
+{
+       struct  ttusb* ttusb = (struct ttusb*)  fe->dvb->priv;
+       int ret;
+       u8 data[1];
+       struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = data, .len = sizeof(data) };
+
+       switch(voltage) {
+       case SEC_VOLTAGE_OFF:
+               data[0] = 0x00;
+               break;
+       case SEC_VOLTAGE_13:
+               data[0] = 0x44;
+               break;
+       case SEC_VOLTAGE_18:
+               data[0] = 0x4c;
+               break;
+       default:
+               return -EINVAL;
+       };
+
+       ret = i2c_transfer(&ttusb->i2c_adap, &msg, 1);
+       return (ret != 1) ? -EIO : 0;
+}
+
 static int ttusb_update_lnb(struct ttusb *ttusb)
 {
        u8 b[] = { 0xaa, ++ttusb->c, 0x16, 5, /*power: */ 1,
@@ -550,7 +570,8 @@ static void ttusb_handle_sec_data(struct ttusb_channel *channel,
                                  const u8 * data, int len);
 #endif
 
-static int numpkt = 0, lastj, numts, numstuff, numsec, numinvalid;
+static int numpkt = 0, numts, numstuff, numsec, numinvalid;
+static unsigned long lastj;
 
 static void ttusb_process_muxpack(struct ttusb *ttusb, const u8 * muxpack,
                           int len)
@@ -667,8 +688,7 @@ static void ttusb_process_frame(struct ttusb *ttusb, u8 * data, int len)
                                memcpy(ttusb->muxpack + ttusb->muxpack_ptr,
                                       data, avail);
                                ttusb->muxpack_ptr += avail;
-                               if (ttusb->muxpack_ptr > 264)
-                                       BUG();
+                               BUG_ON(ttusb->muxpack_ptr > 264);
                                data += avail;
                                len -= avail;
                                /* determine length */
@@ -759,7 +779,7 @@ static void ttusb_iso_irq(struct urb *urb, struct pt_regs *ptregs)
                        u8 *data;
                        int len;
                        numpkt++;
-                       if ((jiffies - lastj) >= HZ) {
+                       if (time_after_eq(jiffies, lastj + HZ)) {
 #if DEBUG > 2
                                printk
                                    ("frames/s: %d (ts: %d, stuff %d, sec: %d, invalid: %d, all: %d)\n",
@@ -831,7 +851,7 @@ static void ttusb_stop_iso_xfer(struct ttusb *ttusb)
        int i;
 
        for (i = 0; i < ISO_BUF_COUNT; i++)
-               usb_unlink_urb(ttusb->iso_urb[i]);
+               usb_kill_urb(ttusb->iso_urb[i]);
 
        ttusb->iso_streaming = 0;
 }
@@ -888,15 +908,13 @@ static int ttusb_start_iso_xfer(struct ttusb *ttusb)
 }
 
 #ifdef TTUSB_HWSECTIONS
-static void ttusb_handle_ts_data(struct ttusb_channel *channel, const u8 * data,
+static void ttusb_handle_ts_data(struct dvb_demux_feed *dvbdmxfeed, const u8 * data,
                          int len)
 {
-       struct dvb_demux_feed *dvbdmxfeed = channel->dvbdmxfeed;
-
        dvbdmxfeed->cb.ts(data, len, 0, 0, &dvbdmxfeed->feed.ts, 0);
 }
 
-static void ttusb_handle_sec_data(struct ttusb_channel *channel, const u8 * data,
+static void ttusb_handle_sec_data(struct dvb_demux_feed *dvbdmxfeed, const u8 * data,
                           int len)
 {
 //      struct dvb_demux_feed *dvbdmxfeed = channel->dvbdmxfeed;
@@ -905,31 +923,10 @@ static void ttusb_handle_sec_data(struct ttusb_channel *channel, const u8 * data
 }
 #endif
 
-static struct ttusb_channel *ttusb_channel_allocate(struct ttusb *ttusb)
-{
-       int i;
-
-       if (down_interruptible(&ttusb->sem))
-               return NULL;
-
-       /* lock! */
-       for (i = 0; i < TTUSB_MAXCHANNEL; ++i) {
-               if (!ttusb->channel[i].active) {
-                       ttusb->channel[i].active = 1;
-                       up(&ttusb->sem);
-                       return ttusb->channel + i;
-               }
-       }
-
-       up(&ttusb->sem);
-
-       return NULL;
-}
-
 static int ttusb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
        struct ttusb *ttusb = (struct ttusb *) dvbdmxfeed->demux;
-       struct ttusb_channel *channel;
+       int feed_type = 1;
 
        dprintk("ttusb_start_feed\n");
 
@@ -949,35 +946,22 @@ static int ttusb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
                case DMX_TS_PES_TELETEXT:
                case DMX_TS_PES_PCR:
                case DMX_TS_PES_OTHER:
-                       channel = ttusb_channel_allocate(ttusb);
                        break;
                default:
                        return -EINVAL;
                }
-       } else {
-               channel = ttusb_channel_allocate(ttusb);
        }
 
-       if (!channel)
-               return -EBUSY;
-
-       dvbdmxfeed->priv = channel;
-       channel->dvbdmxfeed = dvbdmxfeed;
-
-       channel->pid = dvbdmxfeed->pid;
-
 #ifdef TTUSB_HWSECTIONS
+#error TODO: allocate filters
        if (dvbdmxfeed->type == DMX_TYPE_TS) {
-               channel->type = 1;
+               feed_type = 1;
        } else if (dvbdmxfeed->type == DMX_TYPE_SEC) {
-               channel->type = 2;
-#error TODO: allocate filters
+               feed_type = 2;
        }
-#else
-       channel->type = 1;
 #endif
 
-       ttusb_set_channel(ttusb, channel->id, channel->type, channel->pid);
+       ttusb_set_channel(ttusb, dvbdmxfeed->index, feed_type, dvbdmxfeed->pid);
 
        if (0 == ttusb->running_feed_count++)
                ttusb_start_iso_xfer(ttusb);
@@ -987,17 +971,13 @@ static int ttusb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 
 static int ttusb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
-       struct ttusb_channel *channel =
-           (struct ttusb_channel *) dvbdmxfeed->priv;
        struct ttusb *ttusb = (struct ttusb *) dvbdmxfeed->demux;
 
-       ttusb_del_channel(channel->ttusb, channel->id);
+       ttusb_del_channel(ttusb, dvbdmxfeed->index);
 
        if (--ttusb->running_feed_count == 0)
                ttusb_stop_iso_xfer(ttusb);
 
-       channel->active = 0;
-
        return 0;
 }
 
@@ -1086,7 +1066,7 @@ static int alps_tdmb7_pll_set(struct dvb_frontend* fe, struct dvb_frontend_param
        return 0;
 }
 
-struct cx22700_config alps_tdmb7_config = {
+static struct cx22700_config alps_tdmb7_config = {
        .demod_address = 0x43,
        .pll_set = alps_tdmb7_pll_set,
 };
@@ -1201,10 +1181,51 @@ static struct tda1004x_config philips_tdm1316l_config = {
        .request_firmware = philips_tdm1316l_request_firmware,
 };
 
+static u8 alps_bsbe1_inittab[] = {
+       0x01, 0x15,
+       0x02, 0x30,
+       0x03, 0x00,
+       0x04, 0x7d,             /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
+       0x05, 0x35,             /* I2CT = 0, SCLT = 1, SDAT = 1 */
+       0x06, 0x40,             /* DAC not used, set to high impendance mode */
+       0x07, 0x00,             /* DAC LSB */
+       0x08, 0x40,             /* DiSEqC off, LNB power on OP2/LOCK pin on */
+       0x09, 0x00,             /* FIFO */
+       0x0c, 0x51,             /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
+       0x0d, 0x82,             /* DC offset compensation = ON, beta_agc1 = 2 */
+       0x0e, 0x23,             /* alpha_tmg = 2, beta_tmg = 3 */
+       0x10, 0x3f,             // AGC2  0x3d
+       0x11, 0x84,
+       0x12, 0xb9,
+       0x15, 0xc9,             // lock detector threshold
+       0x16, 0x00,
+       0x17, 0x00,
+       0x18, 0x00,
+       0x19, 0x00,
+       0x1a, 0x00,
+       0x1f, 0x50,
+       0x20, 0x00,
+       0x21, 0x00,
+       0x22, 0x00,
+       0x23, 0x00,
+       0x28, 0x00,             // out imp: normal  out type: parallel FEC mode:0
+       0x29, 0x1e,             // 1/2 threshold
+       0x2a, 0x14,             // 2/3 threshold
+       0x2b, 0x0f,             // 3/4 threshold
+       0x2c, 0x09,             // 5/6 threshold
+       0x2d, 0x05,             // 7/8 threshold
+       0x2e, 0x01,
+       0x31, 0x1f,             // test all FECs
+       0x32, 0x19,             // viterbi and synchro search
+       0x33, 0xfc,             // rs control
+       0x34, 0x93,             // error control
+       0x0f, 0x92,
+       0xff, 0xff
+};
 
 static u8 alps_bsru6_inittab[] = {
        0x01, 0x15,
-       0x02, 0x00,
+       0x02, 0x30,
        0x03, 0x00,
        0x04, 0x7d,             /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
        0x05, 0x35,             /* I2CT = 0, SCLT = 1, SDAT = 1 */
@@ -1217,7 +1238,7 @@ static u8 alps_bsru6_inittab[] = {
        0x0e, 0x23,             /* alpha_tmg = 2, beta_tmg = 3 */
        0x10, 0x3f,             // AGC2  0x3d
        0x11, 0x84,
-       0x12, 0xb5,             // Lock detect: -64  Carrier freq detect:on
+       0x12, 0xb9,
        0x15, 0xc9,             // lock detector threshold
        0x16, 0x00,
        0x17, 0x00,
@@ -1244,7 +1265,7 @@ static u8 alps_bsru6_inittab[] = {
        0xff, 0xff
 };
 
-static int alps_bsru6_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
+static int alps_stv0299_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
 {
        u8 aclk = 0;
        u8 bclk = 0;
@@ -1278,7 +1299,7 @@ static int alps_bsru6_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ra
        return 0;
 }
 
-static int alps_bsru6_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
+static int philips_tsa5059_pll_set(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters *params)
 {
        struct ttusb* ttusb = (struct ttusb*) fe->dvb->priv;
        u8 buf[4];
@@ -1295,27 +1316,29 @@ static int alps_bsru6_pll_set(struct dvb_frontend *fe, struct dvb_frontend_param
        buf[3] = 0xC4;
 
        if (params->frequency > 1530000)
-               buf[3] = 0xc0;
+               buf[3] = 0xC0;
 
-       if (i2c_transfer(&ttusb->i2c_adap, &msg, 1) != 1)
+       /* BSBE1 wants XCE bit set */
+       if (ttusb->revision == TTUSB_REV_2_2)
+               buf[3] |= 0x20;
+
+       if (i2c_transfer(i2c, &msg, 1) != 1)
                return -EIO;
 
        return 0;
 }
 
-static struct stv0299_config alps_bsru6_config = {
-
+static struct stv0299_config alps_stv0299_config = {
        .demod_address = 0x68,
        .inittab = alps_bsru6_inittab,
        .mclk = 88000000UL,
        .invert = 1,
-       .enhanced_tuning = 0,
        .skip_reinit = 0,
        .lock_output = STV0229_LOCKOUTPUT_1,
        .volt13_op0_op1 = STV0299_VOLT13_OP1,
        .min_delay_ms = 100,
-       .set_symbol_rate = alps_bsru6_set_symbol_rate,
-       .pll_set = alps_bsru6_pll_set,
+       .set_symbol_rate = alps_stv0299_set_symbol_rate,
+       .pll_set = philips_tsa5059_pll_set,
 };
 
 static int ttusb_novas_grundig_29504_491_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
@@ -1325,7 +1348,7 @@ static int ttusb_novas_grundig_29504_491_pll_set(struct dvb_frontend *fe, struct
        u32 div;
        struct i2c_msg msg = {.addr = 0x61,.flags = 0,.buf = buf,.len = sizeof(buf) };
 
-        div = params->frequency / 125;
+       div = params->frequency / 125;
 
        buf[0] = (div >> 8) & 0x7f;
        buf[1] = div & 0xff;
@@ -1344,16 +1367,62 @@ static struct tda8083_config ttusb_novas_grundig_29504_491_config = {
        .pll_set = ttusb_novas_grundig_29504_491_pll_set,
 };
 
+static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
+{
+       struct ttusb* ttusb = fe->dvb->priv;
+       u32 div;
+       u8 data[4];
+       struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };
+
+       div = (params->frequency + 35937500 + 31250) / 62500;
+
+       data[0] = (div >> 8) & 0x7f;
+       data[1] = div & 0xff;
+       data[2] = 0x85 | ((div >> 10) & 0x60);
+       data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);
+
+       if (i2c_transfer (&ttusb->i2c_adap, &msg, 1) != 1)
+               return -EIO;
+
+       return 0;
+}
+
+
+static struct ves1820_config alps_tdbe2_config = {
+       .demod_address = 0x09,
+       .xin = 57840000UL,
+       .invert = 1,
+       .selagc = VES1820_SELAGC_SIGNAMPERR,
+       .pll_set = alps_tdbe2_pll_set,
+};
+
+static u8 read_pwm(struct ttusb* ttusb)
+{
+       u8 b = 0xff;
+       u8 pwm;
+       struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
+                               { .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };
+
+       if ((i2c_transfer(&ttusb->i2c_adap, msg, 2) != 2) || (pwm == 0xff))
+               pwm = 0x48;
+
+       return pwm;
+}
 
 
 static void frontend_init(struct ttusb* ttusb)
 {
        switch(le16_to_cpu(ttusb->dev->descriptor.idProduct)) {
-       case 0x1003: // Hauppauge/TT Nova-USB-S budget (stv0299/ALPS BSRU6(tsa5059)
-               // try the ALPS BSRU6 first
-               ttusb->fe = stv0299_attach(&alps_bsru6_config, &ttusb->i2c_adap);
+       case 0x1003: // Hauppauge/TT Nova-USB-S budget (stv0299/ALPS BSRU6|BSBE1(tsa5059))
+               // try the stv0299 based first
+               ttusb->fe = stv0299_attach(&alps_stv0299_config, &ttusb->i2c_adap);
                if (ttusb->fe != NULL) {
-                       ttusb->fe->ops->set_voltage = ttusb_set_voltage;
+                       if(ttusb->revision == TTUSB_REV_2_2) { // ALPS BSBE1
+                               alps_stv0299_config.inittab = alps_bsbe1_inittab;
+                               ttusb->fe->ops->set_voltage = lnbp21_set_voltage;
+                       } else { // ALPS BSRU6
+                               ttusb->fe->ops->set_voltage = ttusb_set_voltage;
+                       }
                        break;
                }
 
@@ -1366,6 +1435,12 @@ static void frontend_init(struct ttusb* ttusb)
 
                break;
 
+       case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))
+               ttusb->fe = ves1820_attach(&alps_tdbe2_config, &ttusb->i2c_adap, read_pwm(ttusb));
+               if (ttusb->fe != NULL)
+                       break;
+               break;
+
        case 0x1005: // Hauppauge/TT Nova-USB-t budget (tda10046/Philips td1316(tda6651tt) OR cx22700/ALPS TDMB7(??))
                // try the ALPS TDMB7 first
                ttusb->fe = cx22700_attach(&alps_tdmb7_config, &ttusb->i2c_adap);
@@ -1384,7 +1459,7 @@ static void frontend_init(struct ttusb* ttusb)
                       le16_to_cpu(ttusb->dev->descriptor.idVendor),
                       le16_to_cpu(ttusb->dev->descriptor.idProduct));
        } else {
-               if (dvb_register_frontend(ttusb->adapter, ttusb->fe)) {
+               if (dvb_register_frontend(&ttusb->adapter, ttusb->fe)) {
                        printk("dvb-ttusb-budget: Frontend registration failed!\n");
                        if (ttusb->fe->ops->release)
                                ttusb->fe->ops->release(ttusb->fe);
@@ -1396,8 +1471,6 @@ static void frontend_init(struct ttusb* ttusb)
 
 
 static struct i2c_algorithm ttusb_dec_algo = {
-       .name           = "ttusb dec i2c algorithm",
-       .id             = I2C_ALGO_BIT,
        .master_xfer    = master_xfer,
        .functionality  = functionality,
 };
@@ -1406,29 +1479,25 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 {
        struct usb_device *udev;
        struct ttusb *ttusb;
-       int result, channel;
+       int result;
 
        dprintk("%s: TTUSB DVB connected\n", __FUNCTION__);
 
        udev = interface_to_usbdev(intf);
 
-        if (intf->altsetting->desc.bInterfaceNumber != 1) return -ENODEV;
+       if (intf->altsetting->desc.bInterfaceNumber != 1) return -ENODEV;
 
-       if (!(ttusb = kmalloc(sizeof(struct ttusb), GFP_KERNEL)))
+       if (!(ttusb = kzalloc(sizeof(struct ttusb), GFP_KERNEL)))
                return -ENOMEM;
 
-       memset(ttusb, 0, sizeof(struct ttusb));
-
-       for (channel = 0; channel < TTUSB_MAXCHANNEL; ++channel) {
-               ttusb->channel[channel].id = channel;
-               ttusb->channel[channel].ttusb = ttusb;
-       }
-
        ttusb->dev = udev;
        ttusb->c = 0;
        ttusb->mux_state = 0;
-       sema_init(&ttusb->sem, 0);
-       sema_init(&ttusb->semusb, 1);
+       mutex_init(&ttusb->semi2c);
+
+       mutex_lock(&ttusb->semi2c);
+
+       mutex_init(&ttusb->semusb);
 
        ttusb_setup_interfaces(ttusb);
 
@@ -1436,10 +1505,14 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
        if (ttusb_init_controller(ttusb))
                printk("ttusb_init_controller: error\n");
 
-       up(&ttusb->sem);
+       mutex_unlock(&ttusb->semi2c);
 
-       dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE);
-       ttusb->adapter->priv = ttusb;
+       if ((result = dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE)) < 0) {
+               ttusb_free_iso_urbs(ttusb);
+               kfree(ttusb);
+               return result;
+       }
+       ttusb->adapter.priv = ttusb;
 
        /* i2c */
        memset(&ttusb->i2c_adap, 0, sizeof(struct i2c_adapter));
@@ -1448,17 +1521,16 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
        i2c_set_adapdata(&ttusb->i2c_adap, ttusb);
 
 #ifdef I2C_ADAP_CLASS_TV_DIGITAL
-       ttusb->i2c_adap.class             = I2C_ADAP_CLASS_TV_DIGITAL;
+       ttusb->i2c_adap.class             = I2C_ADAP_CLASS_TV_DIGITAL;
 #else
-       ttusb->i2c_adap.class             = I2C_CLASS_TV_DIGITAL;
+       ttusb->i2c_adap.class             = I2C_CLASS_TV_DIGITAL;
 #endif
        ttusb->i2c_adap.algo              = &ttusb_dec_algo;
        ttusb->i2c_adap.algo_data         = NULL;
-       ttusb->i2c_adap.id                = I2C_ALGO_BIT;
 
        result = i2c_add_adapter(&ttusb->i2c_adap);
        if (result) {
-               dvb_unregister_adapter (ttusb->adapter);
+               dvb_unregister_adapter (&ttusb->adapter);
                return result;
        }
 
@@ -1480,7 +1552,7 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
        if ((result = dvb_dmx_init(&ttusb->dvb_demux)) < 0) {
                printk("ttusb_dvb: dvb_dmx_init failed (errno = %d)\n", result);
                i2c_del_adapter(&ttusb->i2c_adap);
-               dvb_unregister_adapter (ttusb->adapter);
+               dvb_unregister_adapter (&ttusb->adapter);
                return -ENODEV;
        }
 //FIXME dmxdev (nur WAS?)
@@ -1488,21 +1560,21 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
        ttusb->dmxdev.demux = &ttusb->dvb_demux.dmx;
        ttusb->dmxdev.capabilities = 0;
 
-       if ((result = dvb_dmxdev_init(&ttusb->dmxdev, ttusb->adapter)) < 0) {
+       if ((result = dvb_dmxdev_init(&ttusb->dmxdev, &ttusb->adapter)) < 0) {
                printk("ttusb_dvb: dvb_dmxdev_init failed (errno = %d)\n",
                       result);
                dvb_dmx_release(&ttusb->dvb_demux);
                i2c_del_adapter(&ttusb->i2c_adap);
-               dvb_unregister_adapter (ttusb->adapter);
+               dvb_unregister_adapter (&ttusb->adapter);
                return -ENODEV;
        }
 
-       if (dvb_net_init(ttusb->adapter, &ttusb->dvbnet, &ttusb->dvb_demux.dmx)) {
+       if (dvb_net_init(&ttusb->adapter, &ttusb->dvbnet, &ttusb->dvb_demux.dmx)) {
                printk("ttusb_dvb: dvb_net_init failed!\n");
                dvb_dmxdev_release(&ttusb->dmxdev);
                dvb_dmx_release(&ttusb->dvb_demux);
                i2c_del_adapter(&ttusb->i2c_adap);
-               dvb_unregister_adapter (ttusb->adapter);
+               dvb_unregister_adapter (&ttusb->adapter);
                return -ENODEV;
        }
 
@@ -1536,7 +1608,7 @@ static void ttusb_disconnect(struct usb_interface *intf)
        dvb_dmx_release(&ttusb->dvb_demux);
        if (ttusb->fe != NULL) dvb_unregister_frontend(ttusb->fe);
        i2c_del_adapter(&ttusb->i2c_adap);
-       dvb_unregister_adapter(ttusb->adapter);
+       dvb_unregister_adapter(&ttusb->adapter);
 
        ttusb_free_iso_urbs(ttusb);
 
@@ -1547,7 +1619,7 @@ static void ttusb_disconnect(struct usb_interface *intf)
 
 static struct usb_device_id ttusb_table[] = {
        {USB_DEVICE(0xb48, 0x1003)},
-/*     {USB_DEVICE(0xb48, 0x1004)},UNDEFINED HARDWARE - mail linuxtv.org list*/        /* to be confirmed ????  */
+       {USB_DEVICE(0xb48, 0x1004)},
        {USB_DEVICE(0xb48, 0x1005)},
        {}
 };
@@ -1555,10 +1627,10 @@ static struct usb_device_id ttusb_table[] = {
 MODULE_DEVICE_TABLE(usb, ttusb_table);
 
 static struct usb_driver ttusb_driver = {
-      .name            = "Technotrend/Hauppauge USB-Nova",
-      .probe           = ttusb_probe,
-      .disconnect      = ttusb_disconnect,
-      .id_table        = ttusb_table,
+      .name            = "ttusb",
+      .probe           = ttusb_probe,
+      .disconnect      = ttusb_disconnect,
+      .id_table                = ttusb_table,
 };
 
 static int __init ttusb_init(void)