Re: [PATCH][Update_for_2.6.38] DM04/QQBOX Frontend attach change.

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Em 27-11-2010 11:13, Malcolm Priestley escreveu:
> Driver Version v1.73 - Frontend attach change.
> To stop double rc registration in multi tuner environment or firmware change.
> 
> Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
> 
> 
> diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c
> index 1455c23..dc3172f 100644
> --- a/drivers/media/dvb/dvb-usb/lmedm04.c
> +++ b/drivers/media/dvb/dvb-usb/lmedm04.c
> @@ -584,6 +584,7 @@ static int lme2510_int_service(struct dvb_usb_adapter *adap)
>  	ret = lme2510_int_read(adap);
>  	if (ret < 0) {
>  		rc_unregister_device(rc);
> +		info("INT Unable to start Interupt Service");
>  		return -ENODEV;
>  	}
>  
> @@ -674,7 +675,7 @@ static void lme_coldreset(struct usb_device *dev)
>  	return;
>  }
>  
> -static void lme_firmware_switch(struct usb_device *udev, int cold)
> +static int lme_firmware_switch(struct usb_device *udev, int cold)
>  {
>  	const struct firmware *fw = NULL;
>  	char lme2510c_s7395[] = "dvb-usb-lme2510c-s7395.fw";
> @@ -685,7 +686,7 @@ static void lme_firmware_switch(struct usb_device *udev, int cold)
>  	cold = (cold > 0) ? (cold & 1) : 0;
>  
>  	if (udev->descriptor.idProduct == 0x1122)
> -		return;
> +		return 0;
>  
>  	switch (dvb_usb_lme2510_firmware) {
>  	case 0:
> @@ -715,10 +716,12 @@ static void lme_firmware_switch(struct usb_device *udev, int cold)
>  
>  	release_firmware(fw);
>  
> -	if (cold)
> +	if (cold) {
>  		lme_coldreset(udev);
> +		return -ENODEV;
> +	}
>  
> -	return;
> +	return ret;
>  }
>  
>  static int lme2510_kill_urb(struct usb_data_stream *stream)
> @@ -786,45 +789,43 @@ static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
>  	return (ret < 0) ? -ENODEV : 0;
>  }
>  
> +static int lme_name(struct dvb_usb_adapter *adap)
> +{
> +	struct lme2510_state *st = adap->dev->priv;
> +	const char *desc = adap->dev->desc->name;
> +	char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395"};
> +	char *name = adap->fe->ops.info.name;
> +
> +	strcpy(name, desc);
> +	strcat(name, fe_name[st->tuner_config]);

Please use, instead, strlcpy/strlcat, to avoid writing outside the buffer size.

> +
> +	return 0;
> +}
> +
>  static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
>  {
> -	int ret = 0;
>  	struct lme2510_state *st = adap->dev->priv;
>  
> -	/* Interupt Start  */
> -	ret = lme2510_int_service(adap);
> -	if (ret < 0) {
> -		info("INT Unable to start Interupt Service");
> -		return -ENODEV;
> -	}
> +	int ret = 0;
>  
>  	st->i2c_talk_onoff = 1;
> -	st->i2c_gate = 4;
>  
> +	st->i2c_gate = 4;
>  	adap->fe = dvb_attach(tda10086_attach, &tda10086_config,
>  		&adap->dev->i2c_adap);
>  
>  	if (adap->fe) {
>  		info("TUN Found Frontend TDA10086");
> -		memcpy(&adap->fe->ops.info.name,
> -				&"DM04_LG_TDQY-P001F DVB-S", 24);
> -		adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
>  		st->i2c_tuner_gate_w = 4;
>  		st->i2c_tuner_gate_r = 4;
>  		st->i2c_tuner_addr = 0xc0;
> -		if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
> -			&adap->dev->i2c_adap, 1)) {
> -			info("TUN TDA8263 Found");
> -			st->tuner_config = TUNER_LG;
> -			if (dvb_usb_lme2510_firmware != 1) {
> -				dvb_usb_lme2510_firmware = 1;
> -				lme_firmware_switch(adap->dev->udev, 1);
> -			} else /*stops LG/Sharp multi tuner problems*/
> -				dvb_usb_lme2510_firmware = 0;
> -			return 0;
> -		}
> -		kfree(adap->fe);
> -		adap->fe = NULL;
> +		st->tuner_config = TUNER_LG;
> +		if (dvb_usb_lme2510_firmware != 1) {
> +			dvb_usb_lme2510_firmware = 1;
> +			ret = lme_firmware_switch(adap->dev->udev, 1);
> +		} else /*stops LG/Sharp multi tuner problems*/
> +			dvb_usb_lme2510_firmware = 0;
> +		goto end;
>  	}
>  
>  	st->i2c_gate = 5;
> @@ -833,28 +834,64 @@ static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
>  
>  	if (adap->fe) {
>  		info("FE Found Stv0288");
> -		memcpy(&adap->fe->ops.info.name,
> -				&"DM04_SHARP:BS2F7HZ7395", 22);
> -		adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
>  		st->i2c_tuner_gate_w = 4;
>  		st->i2c_tuner_gate_r = 5;
>  		st->i2c_tuner_addr = 0xc0;
> -		if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
> -					&adap->dev->i2c_adap)) {
> -			st->tuner_config = TUNER_S7395;
> -			info("TUN Sharp IX2505V silicon tuner");
> -			if (dvb_usb_lme2510_firmware != 0) {
> -				dvb_usb_lme2510_firmware = 0;
> -				lme_firmware_switch(adap->dev->udev, 1);
> -			}
> -			return 0;
> +		st->tuner_config = TUNER_S7395;
> +		if (dvb_usb_lme2510_firmware != 0) {
> +			dvb_usb_lme2510_firmware = 0;
> +			ret = lme_firmware_switch(adap->dev->udev, 1);
>  		}
> +	} else {
> +		info("DM04 Not Supported");
> +		return -ENODEV;
> +	}
> +
> +end:	if (ret) {
>  		kfree(adap->fe);
>  		adap->fe = NULL;
> +		return -ENODEV;
>  	}
>  
> -	info("DM04 Not Supported");
> -	return -ENODEV;
> +	adap->fe->ops.set_voltage = dm04_lme2510_set_voltage;
> +	ret = lme_name(adap);
> +
> +	return ret;
> +}
> +
> +static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
> +{
> +	struct lme2510_state *st = adap->dev->priv;
> +	char *tun_msg[] = {"", "TDA8263", "IX2505V"};
> +	int ret = 0;
> +
> +	switch (st->tuner_config) {
> +	case TUNER_LG:
> +		if (dvb_attach(tda826x_attach, adap->fe, 0xc0,
> +			&adap->dev->i2c_adap, 1))
> +			ret = st->tuner_config;
> +		break;
> +	case TUNER_S7395:
> +		if (dvb_attach(ix2505v_attach , adap->fe, &lme_tuner,
> +			&adap->dev->i2c_adap))
> +			ret = st->tuner_config;
> +		break;
> +	default:
> +		break;
> +	}
> +
> +	if (ret)
> +		info("TUN Found %s tuner", tun_msg[ret]);
> +	else {
> +		info("TUN No tuner found --- reseting device");
> +		lme_coldreset(adap->dev->udev);
> +		return -ENODEV;
> +	}
> +
> +	/* Start the Interupt & Remote*/
> +	ret = lme2510_int_service(adap);
> +
> +	return ret;
>  }
>  
>  static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
> @@ -937,6 +974,7 @@ static struct dvb_usb_device_properties lme2510_properties = {
>  		{
>  			.streaming_ctrl   = lme2510_streaming_ctrl,
>  			.frontend_attach  = dm04_lme2510_frontend_attach,
> +			.tuner_attach = dm04_lme2510_tuner,
>  			/* parameter for the MPEG2-data transfer */
>  			.stream = {
>  				.type = USB_BULK,
> @@ -957,7 +995,7 @@ static struct dvb_usb_device_properties lme2510_properties = {
>  	.generic_bulk_ctrl_endpoint = 0,
>  	.num_device_descs = 1,
>  	.devices = {
> -		{   "DM04 LME2510 DVB-S USB 2.0",
> +		{   "DM04_LME2510_DVB-S",
>  			{ &lme2510_table[0], NULL },
>  			},
>  
> @@ -975,6 +1013,7 @@ static struct dvb_usb_device_properties lme2510c_properties = {
>  		{
>  			.streaming_ctrl   = lme2510_streaming_ctrl,
>  			.frontend_attach  = dm04_lme2510_frontend_attach,
> +			.tuner_attach = dm04_lme2510_tuner,
>  			/* parameter for the MPEG2-data transfer */
>  			.stream = {
>  				.type = USB_BULK,
> @@ -995,7 +1034,7 @@ static struct dvb_usb_device_properties lme2510c_properties = {
>  	.generic_bulk_ctrl_endpoint = 0,
>  	.num_device_descs = 1,
>  	.devices = {
> -		{   "DM04 LME2510C USB2.0",
> +		{   "DM04_LME2510C_DVB-S",
>  			{ &lme2510_table[1], NULL },
>  			},
>  	}
> @@ -1041,7 +1080,7 @@ void lme2510_exit(struct usb_interface *intf)
>  }
>  
>  static struct usb_driver lme2510_driver = {
> -	.name		= "LME2510C_DVBS",
> +	.name		= "LME2510C_DVB-S",
>  	.probe		= lme2510_probe,
>  	.disconnect	= lme2510_exit,
>  	.id_table	= lme2510_table,
> @@ -1069,6 +1108,6 @@ module_init(lme2510_module_init);
>  module_exit(lme2510_module_exit);
>  
>  MODULE_AUTHOR("Malcolm Priestley <tvboxspy@xxxxxxxxx>");
> -MODULE_DESCRIPTION("LM2510(C) DVB-S USB2.0");
> -MODULE_VERSION("1.71");
> +MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
> +MODULE_VERSION("1.73");
>  MODULE_LICENSE("GPL");
> 
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