On Miércoles, 13 de Julio de 2011 14:41:30 Mauro Carvalho Chehab escribió:
> Em 06-07-2011 19:57, Jose Alberto Reguero escreveu:
> > This patch add suport for the dvb-t part of CT-3650.
> > 
> > Jose Alberto
> > 
> > Signed-off-by: Jose Alberto Reguero <jaregu...@telefonica.net>
> > 
> > patches/lmml_951522_add_support_for_the_dvb_t_part_of_ct_3650_v2.patch
> > Content-Type: text/plain; charset="utf-8"
> > MIME-Version: 1.0
> > Content-Transfer-Encoding: 7bit
> > Subject: add support for the dvb-t part of CT-3650 v2
> > Date: Wed, 06 Jul 2011 22:57:04 -0000
> > From: Jose Alberto Reguero <jaregu...@telefonica.net>
> > X-Patchwork-Id: 951522
> > Message-Id: <201107070057.06317.jaregu...@telefonica.net>
> > To: linux-media@vger.kernel.org
> > 
> > This patch add suport for the dvb-t part of CT-3650.
> > 
> > Jose Alberto
> > 
> > Signed-off-by: Jose Alberto Reguero <jaregu...@telefonica.net>
> > 
> > 
> > diff -ur linux/drivers/media/common/tuners/tda827x.c
> > linux.new/drivers/media/common/tuners/tda827x.c ---
> > linux/drivers/media/common/tuners/tda827x.c 2010-07-03
> > 23:22:08.000000000 +0200 +++
> > linux.new/drivers/media/common/tuners/tda827x.c     2011-07-04
> > 12:00:29.931561053 +0200 @@ -135,14 +135,29 @@
> > 
> >  static int tuner_transfer(struct dvb_frontend *fe,
> >  
> >                       struct i2c_msg *msg,
> > 
> > -                     const int size)
> > +                     int size)
> > 
> >  {
> >  
> >     int rc;
> >     struct tda827x_priv *priv = fe->tuner_priv;
> > 
> > +   struct i2c_msg msgr[2];
> > 
> >     if (fe->ops.i2c_gate_ctrl)
> >     
> >             fe->ops.i2c_gate_ctrl(fe, 1);
> > 
> > -   rc = i2c_transfer(priv->i2c_adap, msg, size);
> > +   if (priv->cfg->i2cr && (msg->flags == I2C_M_RD)) {
> > +           msgr[0].addr = msg->addr;
> > +           msgr[0].flags = 0;
> > +           msgr[0].len = msg->len - 1;
> > +           msgr[0].buf = msg->buf;
> > +           msgr[1].addr = msg->addr;
> > +           msgr[1].flags = I2C_M_RD;
> > +           msgr[1].len = 1;
> > +           msgr[1].buf = msg->buf;
> > +           size = 2;
> > +           rc = i2c_transfer(priv->i2c_adap, msgr, size);
> > +           msg->buf[msg->len - 1] = msgr[1].buf[0];
> > +   } else {
> > +           rc = i2c_transfer(priv->i2c_adap, msg, size);
> > +   }
> > 
> >     if (fe->ops.i2c_gate_ctrl)
> >     
> >             fe->ops.i2c_gate_ctrl(fe, 0);
> 
> No. You should be applying such fix at the I2C adapter instead. This is the
> code at the ttusb2 driver:
> 
> static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg
> msg[],int num) {
>       struct dvb_usb_device *d = i2c_get_adapdata(adap);
>       static u8 obuf[60], ibuf[60];
>       int i,read;
> 
>       if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
>               return -EAGAIN;
> 
>       if (num > 2)
>               warn("more than 2 i2c messages at a time is not handled yet. 
TODO.");
> 
>       for (i = 0; i < num; i++) {
>               read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
> 
>               obuf[0] = (msg[i].addr << 1) | read;
>               obuf[1] = msg[i].len;
> 
>               /* read request */
>               if (read)
>                       obuf[2] = msg[i+1].len;
>               else
>                       obuf[2] = 0;
> 
>               memcpy(&obuf[3],msg[i].buf,msg[i].len);
> 
>               if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, 
> obuf[2] + 
3) <
> 0) { err("i2c transfer failed.");
>                       break;
>               }
> 
>               if (read) {
>                       memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
>                       i++;
>               }
>       }
> 
>       mutex_unlock(&d->i2c_mutex);
>       return i;
> }
> 
> Clearly, this routine has issues, as it assumes that all transfers with
> reads will be broken into just two msgs, where the first one is a write,
> and a second one is a read, and that no transfers will be bigger than 2
> messages.
> 
> It shouldn't be hard to adapt it to handle transfers on either way, and to
> remove the limit of 2 transfers.
>
> > @@ -540,7 +555,7 @@
> > 
> >             if_freq = 5000000;
> >             break;
> >     
> >     }
> > 
> > -   tuner_freq = params->frequency + if_freq;
> > +   tuner_freq = params->frequency;
> > 
> >     if (fe->ops.info.type == FE_QAM) {
> >     
> >             dprintk("%s select tda827xa_dvbc\n", __func__);
> > 
> > @@ -554,6 +569,8 @@
> > 
> >             i++;
> >     
> >     }
> > 
> > +   tuner_freq += if_freq;
> > +
> > 
> >     N = ((tuner_freq + 31250) / 62500) << frequency_map[i].spd;
> >     buf[0] = 0;            // subaddress
> >     buf[1] = N >> 8;
> 
> This seems to be a bug fix, but you're touching only at the DVB-C. If the
> table lookup should not consider if_freq, the same fix is needed on the
> other similar logics at the driver.
> 
> Also, please send such patch in separate.
> 
> > diff -ur linux/drivers/media/common/tuners/tda827x.h
> > linux.new/drivers/media/common/tuners/tda827x.h ---
> > linux/drivers/media/common/tuners/tda827x.h 2010-07-03
> > 23:22:08.000000000 +0200 +++
> > linux.new/drivers/media/common/tuners/tda827x.h     2011-05-21
> > 22:48:31.484340005 +0200 @@ -38,6 +38,8 @@
> > 
> >     int          switch_addr;
> >     
> >     void (*agcf)(struct dvb_frontend *fe);
> > 
> > +
> > +   u8 i2cr;
> > 
> >  };
> 
> Nack. Fix the transfer routine at the ttusb2 side.
> 
> > diff -ur linux/drivers/media/dvb/dvb-usb/ttusb2.c
> > linux.new/drivers/media/dvb/dvb-usb/ttusb2.c ---
> > linux/drivers/media/dvb/dvb-usb/ttusb2.c    2011-01-10 16:24:45.000000000
> > +0100 +++ linux.new/drivers/media/dvb/dvb-usb/ttusb2.c      2011-07-05
> > 12:35:51.842182196 +0200 @@ -30,6 +30,7 @@
> > 
> >  #include "tda826x.h"
> >  #include "tda10086.h"
> >  #include "tda1002x.h"
> > 
> > +#include "tda10048.h"
> > 
> >  #include "tda827x.h"
> >  #include "lnbp21.h"
> > 
> > @@ -44,6 +45,7 @@
> > 
> >  struct ttusb2_state {
> >  
> >     u8 id;
> >     u16 last_rc_key;
> > 
> > +   struct dvb_frontend *fe;
> > 
> >  };
> >  
> >  static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
> > 
> > @@ -190,6 +190,22 @@
> > 
> >     .deltaf = 0xa511,
> >  
> >  };
> > 
> > +static struct tda10048_config tda10048_config = {
> > +   .demod_address    = 0x10 >> 1,
> > +   .output_mode      = TDA10048_PARALLEL_OUTPUT,
> > +   .inversion        = TDA10048_INVERSION_ON,
> > +   .dtv6_if_freq_khz = TDA10048_IF_4000,
> > +   .dtv7_if_freq_khz = TDA10048_IF_4500,
> > +   .dtv8_if_freq_khz = TDA10048_IF_5000,
> > +   .clk_freq_khz     = TDA10048_CLK_16000,
> > +   .no_firmware      = 1,
> > +};
> > +
> > +static struct tda827x_config tda827x_config = {
> > +   .i2cr = 1,
> > +   .config = 0,
> > +};
> > +
> > 
> >  static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap)
> >  {
> >  
> >     if (usb_set_interface(adap->dev->udev,0,3) < 0)
> > 
> > @@ -205,18 +221,32 @@
> > 
> >  static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap)
> >  {
> > 
> > +
> > +   struct ttusb2_state *state;
> > 
> >     if (usb_set_interface(adap->dev->udev, 0, 3) < 0)
> >     
> >             err("set interface to alts=3 failed");
> > 
> > +   state = (struct ttusb2_state *)adap->dev->priv;
> > 
> >     if ((adap->fe = dvb_attach(tda10023_attach, &tda10023_config,
> >     &adap->dev->i2c_adap, 0x48)) == NULL) {
> >     
> >             deb_info("TDA10023 attach failed\n");
> >             return -ENODEV;
> >     
> >     }
> > 
> > +   adap->fe->id = 1;
> > +   tda10048_config.fe = adap->fe;
> > +   if ((state->fe = dvb_attach(tda10048_attach, &tda10048_config,
> > &adap->dev->i2c_adap)) == NULL) { +         deb_info("TDA10048 attach
> > failed\n");
> > +           return -ENODEV;
> > +   }
> > +   dvb_register_frontend(&adap->dvb_adap, state->fe);
> > +   if (dvb_attach(tda827x_attach, state->fe, 0x61, &adap->dev->i2c_adap,
> > &tda827x_config) == NULL) { +               printk(KERN_ERR "%s: No tda827x
> > found!\n", __func__);
> > +           return -ENODEV;
> > +   }
> > 
> >     return 0;
> >  
> >  }
> >  
> >  static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap)
> >  {
> > 
> > -   if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap,
> > NULL) == NULL) { +  if (dvb_attach(tda827x_attach, adap->fe, 0x61,
> > &adap->dev->i2c_adap, &tda827x_config) == NULL) {
> > 
> >             printk(KERN_ERR "%s: No tda827x found!\n", __func__);
> >             return -ENODEV;
> >     
> >     }
> > 
> > @@ -242,6 +272,19 @@
> > 
> >  static struct dvb_usb_device_properties ttusb2_properties_s2400;
> >  static struct dvb_usb_device_properties ttusb2_properties_ct3650;
> > 
> > +static void ttusb2_usb_disconnect (struct usb_interface *intf)
> > +{
> > +   struct dvb_usb_device *d = usb_get_intfdata (intf);
> > +   struct ttusb2_state * state;
> > +
> > +   state = (struct ttusb2_state *)d->priv;
> > +   if (state->fe) {
> > +           dvb_unregister_frontend(state->fe);
> > +           dvb_frontend_detach(state->fe);
> > +   }
> > +   dvb_usb_device_exit (intf);
> 
> CodingStyle: don't put a space on the above. Please, always check your
> patches with ./script/checkpatch.pl
> 
> > +}
> > +
> > 
> >  static int ttusb2_probe(struct usb_interface *intf,
> >  
> >             const struct usb_device_id *id)
> >  
> >  {
> > 
> > @@ -422,7 +465,7 @@
> > 
> >  static struct usb_driver ttusb2_driver = {
> >  
> >     .name           = "dvb_usb_ttusb2",
> >     .probe          = ttusb2_probe,
> > 
> > -   .disconnect = dvb_usb_device_exit,
> > +   .disconnect = ttusb2_usb_disconnect,
> > 
> >     .id_table       = ttusb2_table,
> >  
> >  };
> > 
> > diff -ur linux/drivers/media/dvb/frontends/Makefile
> > linux.new/drivers/media/dvb/frontends/Makefile ---
> > linux/drivers/media/dvb/frontends/Makefile  2011-05-06 05:45:29.000000000
> > +0200 +++ linux.new/drivers/media/dvb/frontends/Makefile    2011-07-05
> > 01:36:24.621564185 +0200 @@ -4,6 +4,7 @@
> > 
> >  EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/
> >  EXTRA_CFLAGS += -Idrivers/media/common/tuners/
> > 
> > +EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-usb/
> > 
> >  stb0899-objs = stb0899_drv.o stb0899_algo.o
> >  stv0900-objs = stv0900_core.o stv0900_sw.o
> > 
> > diff -ur linux/drivers/media/dvb/frontends/tda10048.c
> > linux.new/drivers/media/dvb/frontends/tda10048.c ---
> > linux/drivers/media/dvb/frontends/tda10048.c        2010-10-25
> > 01:34:58.000000000 +0200 +++
> > linux.new/drivers/media/dvb/frontends/tda10048.c    2011-07-05
> > 01:57:47.758466025 +0200 @@ -30,6 +30,7 @@
> > 
> >  #include "dvb_frontend.h"
> >  #include "dvb_math.h"
> >  #include "tda10048.h"
> > 
> > +#include "dvb-usb.h"
> > 
> >  #define TDA10048_DEFAULT_FIRMWARE "dvb-fe-tda10048-1.0.fw"
> >  #define TDA10048_DEFAULT_FIRMWARE_SIZE 24878
> > 
> > @@ -214,6 +215,8 @@
> > 
> >     { TDA10048_CLK_16000, TDA10048_IF_3800,  10, 3, 0 },
> >     { TDA10048_CLK_16000, TDA10048_IF_4000,  10, 3, 0 },
> >     { TDA10048_CLK_16000, TDA10048_IF_4300,  10, 3, 0 },
> > 
> > +   { TDA10048_CLK_16000, TDA10048_IF_4500,   5, 3, 0 },
> > +   { TDA10048_CLK_16000, TDA10048_IF_5000,   5, 3, 0 },
> > 
> >     { TDA10048_CLK_16000, TDA10048_IF_36130, 10, 3, 0 },
> >  
> >  };
> > 
> > @@ -429,6 +432,19 @@
> > 
> >     return 0;
> >  
> >  }
> > 
> > +static int tda10048_set_pll(struct dvb_frontend *fe)
> > +{
> > +   struct tda10048_state *state = fe->demodulator_priv;
> > +
> > +   dprintk(1, "%s()\n", __func__);
> > +
> > +   tda10048_writereg(state, TDA10048_CONF_PLL1, 0x0f);
> > +   tda10048_writereg(state, TDA10048_CONF_PLL2, (u8)(state-
>pll_mfactor));
> > +   tda10048_writereg(state, TDA10048_CONF_PLL3, tda10048_readreg(state,
> > TDA10048_CONF_PLL3) | ((u8)(state->pll_nfactor) | 0x40)); +
> > +   return 0;
> > +}
> > +
> > 
> >  static int tda10048_set_if(struct dvb_frontend *fe, enum fe_bandwidth
> >  bw) {
> >  
> >     struct tda10048_state *state = fe->demodulator_priv;
> > 
> > @@ -478,6 +494,9 @@
> > 
> >     dprintk(1, "- pll_nfactor = %d\n", state->pll_nfactor);
> >     dprintk(1, "- pll_pfactor = %d\n", state->pll_pfactor);
> > 
> > +   /* Set the  pll registers */
> > +   tda10048_set_pll(fe);
> > +
> > 
> >     /* Calculate the sample frequency */
> >     state->sample_freq = state->xtal_hz * (state->pll_mfactor + 45);
> >     state->sample_freq /= (state->pll_nfactor + 1);
> > 
> > @@ -710,12 +729,16 @@
> > 
> >     if (config->disable_gate_access)
> >     
> >             return 0;
> > 
> > -   if (enable)
> > -           return tda10048_writereg(state, TDA10048_CONF_C4_1,
> > -                   tda10048_readreg(state, TDA10048_CONF_C4_1) | 0x02);
> > -   else
> > -           return tda10048_writereg(state, TDA10048_CONF_C4_1,
> > -                   tda10048_readreg(state, TDA10048_CONF_C4_1) & 0xfd);
> > +   if (config->fe && config->fe->ops.i2c_gate_ctrl) {
> > +           return config->fe->ops.i2c_gate_ctrl(config->fe, enable);
> > +   } else {
> > +           if (enable)
> > +                   return tda10048_writereg(state, TDA10048_CONF_C4_1,
> > +                           tda10048_readreg(state, TDA10048_CONF_C4_1) | 
> > 0x02);
> > +           else
> > +                   return tda10048_writereg(state, TDA10048_CONF_C4_1,
> > +                           tda10048_readreg(state, TDA10048_CONF_C4_1) & 
> > 0xfd);
> > +   }
> > 
> >  }
> >  
> >  static int tda10048_output_mode(struct dvb_frontend *fe, int serial)
> > 
> > @@ -772,20 +795,45 @@
> > 
> >     return 0;
> >  
> >  }
> > 
> > +static int tda10048_sleep(struct dvb_frontend *fe)
> > +{
> > +   struct tda10048_state *state = fe->demodulator_priv;
> > +   struct tda10048_config *config = &state->config;
> > +   struct dvb_usb_adapter *adap;
> > +
> > +   dprintk(1, "%s()\n", __func__);
> > +
> > +   if (config->fe) {
> > +           adap = fe->dvb->priv;
> > +           if (adap->dev->props.power_ctrl)
> > +                   adap->dev->props.power_ctrl(adap->dev, 0);
> > +   }
> > +
> > +   return 0;
> > +}
> > +
> > 
> >  /* Establish sane defaults and load firmware. */
> >  static int tda10048_init(struct dvb_frontend *fe)
> >  {
> >  
> >     struct tda10048_state *state = fe->demodulator_priv;
> >     struct tda10048_config *config = &state->config;
> > 
> > +   struct dvb_usb_adapter *adap;
> > 
> >     int ret = 0, i;
> >     
> >     dprintk(1, "%s()\n", __func__);
> > 
> > +   if (config->fe) {
> > +           adap = fe->dvb->priv;
> > +           if (adap->dev->props.power_ctrl)
> > +                   adap->dev->props.power_ctrl(adap->dev, 1);
> > +   }
> > +
> > +
> > 
> >     /* Apply register defaults */
> >     for (i = 0; i < ARRAY_SIZE(init_tab); i++)
> >     
> >             tda10048_writereg(state, init_tab[i].reg, init_tab[i].data);
> > 
> > -   if (state->fwloaded == 0)
> > +   if ((state->fwloaded == 0) && (!config->no_firmware))
> > 
> >             ret = tda10048_firmware_upload(fe);
> >     
> >     /* Set either serial or parallel */
> > 
> > @@ -1174,6 +1222,7 @@
> > 
> >     .release = tda10048_release,
> >     .init = tda10048_init,
> > 
> > +   .sleep = tda10048_sleep,
> > 
> >     .i2c_gate_ctrl = tda10048_i2c_gate_ctrl,
> >     .set_frontend = tda10048_set_frontend,
> >     .get_frontend = tda10048_get_frontend,
> > 
> > diff -ur linux/drivers/media/dvb/frontends/tda10048.h
> > linux.new/drivers/media/dvb/frontends/tda10048.h ---
> > linux/drivers/media/dvb/frontends/tda10048.h        2010-07-03
> > 23:22:08.000000000 +0200 +++
> > linux.new/drivers/media/dvb/frontends/tda10048.h    2011-07-05
> > 02:02:42.775466043 +0200 @@ -51,6 +51,7 @@
> > 
> >  #define TDA10048_IF_4300  4300
> >  #define TDA10048_IF_4500  4500
> >  #define TDA10048_IF_4750  4750
> > 
> > +#define TDA10048_IF_5000  5000
> > 
> >  #define TDA10048_IF_36130 36130
> >  
> >     u16 dtv6_if_freq_khz;
> >     u16 dtv7_if_freq_khz;
> > 
> > @@ -62,6 +63,10 @@
> > 
> >     /* Disable I2C gate access */
> >     u8 disable_gate_access;
> > 
> > +
> > +   u8 no_firmware;
> > +
> > +   struct dvb_frontend *fe;
> > 
> >  };
> >  
> >  #if defined(CONFIG_DVB_TDA10048) || \

The attached patch try to fix the problems mentioned.

Jose Alberto
 
Signed-off-by: Jose Alberto Reguero <jaregu...@telefonica.net>


diff -ur linux/drivers/media/dvb/dvb-usb/ttusb2.c linux.new/drivers/media/dvb/dvb-usb/ttusb2.c
--- linux/drivers/media/dvb/dvb-usb/ttusb2.c	2011-01-10 16:24:45.000000000 +0100
+++ linux.new/drivers/media/dvb/dvb-usb/ttusb2.c	2011-07-14 12:55:36.645944109 +0200
@@ -30,6 +30,7 @@
 #include "tda826x.h"
 #include "tda10086.h"
 #include "tda1002x.h"
+#include "tda10048.h"
 #include "tda827x.h"
 #include "lnbp21.h"
 
@@ -44,6 +45,7 @@
 struct ttusb2_state {
 	u8 id;
 	u16 last_rc_key;
+	struct dvb_frontend *fe;
 };
 
 static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
@@ -82,7 +84,7 @@
 {
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	static u8 obuf[60], ibuf[60];
-	int i,read;
+	int i, read1, read2;
 
 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
@@ -91,27 +93,33 @@
 		warn("more than 2 i2c messages at a time is not handled yet. TODO.");
 
 	for (i = 0; i < num; i++) {
-		read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
+		read1 = i+1 < num && (msg[i+1].flags & I2C_M_RD);
+		read2 = msg[i].flags & I2C_M_RD;
 
-		obuf[0] = (msg[i].addr << 1) | read;
+		obuf[0] = (msg[i].addr << 1) | (read1 | read2);
 		obuf[1] = msg[i].len;
 
 		/* read request */
-		if (read)
+		if (read1)
 			obuf[2] = msg[i+1].len;
+		else if (read2)
+			obuf[2] = msg[i].len;
 		else
 			obuf[2] = 0;
 
-		memcpy(&obuf[3],msg[i].buf,msg[i].len);
+		memcpy(&obuf[3], msg[i].buf, msg[i].len);
 
 		if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
 			err("i2c transfer failed.");
 			break;
 		}
 
-		if (read) {
-			memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
-			i++;
+		if (read1 || read2) {
+			if (read1) {
+				memcpy(msg[i+1].buf, &ibuf[3], msg[i+1].len);
+				i++;
+			} else if (read2)
+				memcpy(msg[i].buf, &ibuf[3], msg[i].len);
 		}
 	}
 
@@ -190,6 +198,21 @@
 	.deltaf = 0xa511,
 };
 
+static struct tda10048_config tda10048_config = {
+	.demod_address    = 0x10 >> 1,
+	.output_mode      = TDA10048_PARALLEL_OUTPUT,
+	.inversion        = TDA10048_INVERSION_ON,
+	.dtv6_if_freq_khz = TDA10048_IF_4000,
+	.dtv7_if_freq_khz = TDA10048_IF_4500,
+	.dtv8_if_freq_khz = TDA10048_IF_5000,
+	.clk_freq_khz     = TDA10048_CLK_16000,
+	.no_firmware      = 1,
+};
+
+static struct tda827x_config tda827x_config = {
+	.config = 0,
+};
+
 static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap)
 {
 	if (usb_set_interface(adap->dev->udev,0,3) < 0)
@@ -205,18 +228,32 @@
 
 static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap)
 {
+
+	struct ttusb2_state *state;
 	if (usb_set_interface(adap->dev->udev, 0, 3) < 0)
 		err("set interface to alts=3 failed");
+	state = (struct ttusb2_state *)adap->dev->priv;
 	if ((adap->fe = dvb_attach(tda10023_attach, &tda10023_config, &adap->dev->i2c_adap, 0x48)) == NULL) {
 		deb_info("TDA10023 attach failed\n");
 		return -ENODEV;
 	}
+	adap->fe->id = 1;
+	tda10048_config.fe = adap->fe;
+	if ((state->fe = dvb_attach(tda10048_attach, &tda10048_config, &adap->dev->i2c_adap)) == NULL) {
+		deb_info("TDA10048 attach failed\n");
+		return -ENODEV;
+	}
+	dvb_register_frontend(&adap->dvb_adap, state->fe);
+	if (dvb_attach(tda827x_attach, state->fe, 0x61, &adap->dev->i2c_adap, &tda827x_config) == NULL) {
+		printk(KERN_ERR "%s: No tda827x found!\n", __func__);
+		return -ENODEV;
+	}
 	return 0;
 }
 
 static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap)
 {
-	if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL) {
+	if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, &tda827x_config) == NULL) {
 		printk(KERN_ERR "%s: No tda827x found!\n", __func__);
 		return -ENODEV;
 	}
@@ -242,6 +279,19 @@
 static struct dvb_usb_device_properties ttusb2_properties_s2400;
 static struct dvb_usb_device_properties ttusb2_properties_ct3650;
 
+static void ttusb2_usb_disconnect(struct usb_interface *intf)
+{
+	struct dvb_usb_device *d = usb_get_intfdata(intf);
+	struct ttusb2_state *state;
+
+	state = (struct ttusb2_state *)d->priv;
+	if (state->fe) {
+		dvb_unregister_frontend(state->fe);
+		dvb_frontend_detach(state->fe);
+	}
+	dvb_usb_device_exit(intf);
+}
+
 static int ttusb2_probe(struct usb_interface *intf,
 		const struct usb_device_id *id)
 {
@@ -422,7 +472,7 @@
 static struct usb_driver ttusb2_driver = {
 	.name		= "dvb_usb_ttusb2",
 	.probe		= ttusb2_probe,
-	.disconnect = dvb_usb_device_exit,
+	.disconnect = ttusb2_usb_disconnect,
 	.id_table	= ttusb2_table,
 };
 
diff -ur linux/drivers/media/dvb/frontends/Makefile linux.new/drivers/media/dvb/frontends/Makefile
--- linux/drivers/media/dvb/frontends/Makefile	2011-05-06 05:45:29.000000000 +0200
+++ linux.new/drivers/media/dvb/frontends/Makefile	2011-07-05 01:36:24.621564185 +0200
@@ -4,6 +4,7 @@
 
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/
 EXTRA_CFLAGS += -Idrivers/media/common/tuners/
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-usb/
 
 stb0899-objs = stb0899_drv.o stb0899_algo.o
 stv0900-objs = stv0900_core.o stv0900_sw.o
diff -ur linux/drivers/media/dvb/frontends/tda10048.c linux.new/drivers/media/dvb/frontends/tda10048.c
--- linux/drivers/media/dvb/frontends/tda10048.c	2010-10-25 01:34:58.000000000 +0200
+++ linux.new/drivers/media/dvb/frontends/tda10048.c	2011-07-05 01:57:47.758466025 +0200
@@ -30,6 +30,7 @@
 #include "dvb_frontend.h"
 #include "dvb_math.h"
 #include "tda10048.h"
+#include "dvb-usb.h"
 
 #define TDA10048_DEFAULT_FIRMWARE "dvb-fe-tda10048-1.0.fw"
 #define TDA10048_DEFAULT_FIRMWARE_SIZE 24878
@@ -214,6 +215,8 @@
 	{ TDA10048_CLK_16000, TDA10048_IF_3800,  10, 3, 0 },
 	{ TDA10048_CLK_16000, TDA10048_IF_4000,  10, 3, 0 },
 	{ TDA10048_CLK_16000, TDA10048_IF_4300,  10, 3, 0 },
+	{ TDA10048_CLK_16000, TDA10048_IF_4500,   5, 3, 0 },
+	{ TDA10048_CLK_16000, TDA10048_IF_5000,   5, 3, 0 },
 	{ TDA10048_CLK_16000, TDA10048_IF_36130, 10, 3, 0 },
 };
 
@@ -429,6 +432,19 @@
 	return 0;
 }
 
+static int tda10048_set_pll(struct dvb_frontend *fe)
+{
+	struct tda10048_state *state = fe->demodulator_priv;
+
+	dprintk(1, "%s()\n", __func__);
+
+	tda10048_writereg(state, TDA10048_CONF_PLL1, 0x0f);
+	tda10048_writereg(state, TDA10048_CONF_PLL2, (u8)(state->pll_mfactor));
+	tda10048_writereg(state, TDA10048_CONF_PLL3, tda10048_readreg(state, TDA10048_CONF_PLL3) | ((u8)(state->pll_nfactor) | 0x40));
+
+	return 0;
+}
+
 static int tda10048_set_if(struct dvb_frontend *fe, enum fe_bandwidth bw)
 {
 	struct tda10048_state *state = fe->demodulator_priv;
@@ -478,6 +494,9 @@
 	dprintk(1, "- pll_nfactor = %d\n", state->pll_nfactor);
 	dprintk(1, "- pll_pfactor = %d\n", state->pll_pfactor);
 
+	/* Set the  pll registers */
+	tda10048_set_pll(fe);
+
 	/* Calculate the sample frequency */
 	state->sample_freq = state->xtal_hz * (state->pll_mfactor + 45);
 	state->sample_freq /= (state->pll_nfactor + 1);
@@ -710,12 +729,16 @@
 	if (config->disable_gate_access)
 		return 0;
 
-	if (enable)
-		return tda10048_writereg(state, TDA10048_CONF_C4_1,
-			tda10048_readreg(state, TDA10048_CONF_C4_1) | 0x02);
-	else
-		return tda10048_writereg(state, TDA10048_CONF_C4_1,
-			tda10048_readreg(state, TDA10048_CONF_C4_1) & 0xfd);
+	if (config->fe && config->fe->ops.i2c_gate_ctrl) {
+		return config->fe->ops.i2c_gate_ctrl(config->fe, enable);
+	} else {
+		if (enable)
+			return tda10048_writereg(state, TDA10048_CONF_C4_1,
+				tda10048_readreg(state, TDA10048_CONF_C4_1) | 0x02);
+		else
+			return tda10048_writereg(state, TDA10048_CONF_C4_1,
+				tda10048_readreg(state, TDA10048_CONF_C4_1) & 0xfd);
+	}
 }
 
 static int tda10048_output_mode(struct dvb_frontend *fe, int serial)
@@ -772,20 +795,45 @@
 	return 0;
 }
 
+static int tda10048_sleep(struct dvb_frontend *fe)
+{
+	struct tda10048_state *state = fe->demodulator_priv;
+	struct tda10048_config *config = &state->config;
+	struct dvb_usb_adapter *adap;
+
+	dprintk(1, "%s()\n", __func__);
+
+	if (config->fe) {
+		adap = fe->dvb->priv;
+		if (adap->dev->props.power_ctrl)
+			adap->dev->props.power_ctrl(adap->dev, 0);
+	}
+
+	return 0;
+}
+
 /* Establish sane defaults and load firmware. */
 static int tda10048_init(struct dvb_frontend *fe)
 {
 	struct tda10048_state *state = fe->demodulator_priv;
 	struct tda10048_config *config = &state->config;
+	struct dvb_usb_adapter *adap;
 	int ret = 0, i;
 
 	dprintk(1, "%s()\n", __func__);
 
+	if (config->fe) {
+		adap = fe->dvb->priv;
+		if (adap->dev->props.power_ctrl)
+			adap->dev->props.power_ctrl(adap->dev, 1);
+	}
+
+
 	/* Apply register defaults */
 	for (i = 0; i < ARRAY_SIZE(init_tab); i++)
 		tda10048_writereg(state, init_tab[i].reg, init_tab[i].data);
 
-	if (state->fwloaded == 0)
+	if ((state->fwloaded == 0) && (!config->no_firmware))
 		ret = tda10048_firmware_upload(fe);
 
 	/* Set either serial or parallel */
@@ -1174,6 +1222,7 @@
 
 	.release = tda10048_release,
 	.init = tda10048_init,
+	.sleep = tda10048_sleep,
 	.i2c_gate_ctrl = tda10048_i2c_gate_ctrl,
 	.set_frontend = tda10048_set_frontend,
 	.get_frontend = tda10048_get_frontend,
diff -ur linux/drivers/media/dvb/frontends/tda10048.h linux.new/drivers/media/dvb/frontends/tda10048.h
--- linux/drivers/media/dvb/frontends/tda10048.h	2010-07-03 23:22:08.000000000 +0200
+++ linux.new/drivers/media/dvb/frontends/tda10048.h	2011-07-05 02:02:42.775466043 +0200
@@ -51,6 +51,7 @@
 #define TDA10048_IF_4300  4300
 #define TDA10048_IF_4500  4500
 #define TDA10048_IF_4750  4750
+#define TDA10048_IF_5000  5000
 #define TDA10048_IF_36130 36130
 	u16 dtv6_if_freq_khz;
 	u16 dtv7_if_freq_khz;
@@ -62,6 +63,10 @@
 
 	/* Disable I2C gate access */
 	u8 disable_gate_access;
+
+	u8 no_firmware;
+
+	struct dvb_frontend *fe;
 };
 
 #if defined(CONFIG_DVB_TDA10048) || \

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