示例#1
0
static int rtl28xxu_init(struct dvb_usb_device *d)
{
	int ret;
	u8 val;

	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	/* init USB endpoints */
	ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
	if (ret)
		goto err;

	/* enable DMA and Full Packet Mode*/
	val |= 0x09;
	ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
	if (ret)
		goto err;

	/* set EPA maximum packet size to 0x0200 */
	ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
	if (ret)
		goto err;

	/* change EPA FIFO length */
	ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
	if (ret)
		goto err;

	return ret;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
示例#2
0
static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	int ret;

	dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);

	if (onoff) {
		/* GPIO3=1, GPIO4=0 */
		ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
		if (ret)
			goto err;

		/* suspend? */
		ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
		if (ret)
			goto err;

		/* enable PLL */
		ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
		if (ret)
			goto err;

		/* disable reset */
		ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
		if (ret)
			goto err;

		/* streaming EP: clear stall & reset */
		ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
		if (ret)
			goto err;

		ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
		if (ret)
			goto err;
	} else {
		/* GPIO4=1 */
		ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
		if (ret)
			goto err;

		/* disable PLL */
		ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
		if (ret)
			goto err;

		/* streaming EP: set stall & reset */
		ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
		if (ret)
			goto err;
	}

	return ret;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
示例#3
0
static int rtl2832u_streaming_ctrl(struct dvb_usb_adapter *adap , int onoff)
{
	int ret;
	u8 buf[2];

	deb_info("%s: onoff=%d\n", __func__, onoff);


	if (onoff) {
		buf[0] = 0x00;
		buf[1] = 0x00;
	} else {
		buf[0] = 0x10; /* stall EPA */
		buf[1] = 0x02; /* reset EPA */
	}

	ret = rtl28xx_wr_regs(adap->dev, USB_EPA_CTL, buf, 2);
	if (ret)
		goto err;

	return ret;
err:
	deb_info("%s: failed=%d\n", __func__, ret);
	return ret;
}
示例#4
0
static int rtl2831u_streaming_ctrl(struct dvb_usb_adapter *adap , int onoff)
{
	int ret;
	u8 buf[2], gpio;

	deb_info("%s: onoff=%d\n", __func__, onoff);

	ret = rtl28xx_rd_reg(adap->dev, SYS_GPIO_OUT_VAL, &gpio);
	if (ret)
		goto err;

	if (onoff) {
		buf[0] = 0x00;
		buf[1] = 0x00;
		gpio |= 0x04; /* LED on */
	} else {
		buf[0] = 0x10; /* stall EPA */
		buf[1] = 0x02; /* reset EPA */
		gpio &= (~0x04); /* LED off */
	}

	ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_OUT_VAL, gpio);
	if (ret)
		goto err;

	ret = rtl28xx_wr_regs(adap->dev, USB_EPA_CTL, buf, 2);
	if (ret)
		goto err;

	return ret;
err:
	deb_info("%s: failed=%d\n", __func__, ret);
	return ret;
}
示例#5
0
static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	int ret;
	u8 gpio, sys0, epa_ctl[2];

	dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);

	/* demod adc */
	ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0);
	if (ret)
		goto err;

	/* tuner power, read GPIOs */
	ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
	if (ret)
		goto err;

	dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
			sys0, gpio);

	if (onoff) {
		gpio |= 0x01; /* GPIO0 = 1 */
		gpio &= (~0x10); /* GPIO4 = 0 */
		gpio |= 0x04; /* GPIO2 = 1, LED on */
		sys0 = sys0 & 0x0f;
		sys0 |= 0xe0;
		epa_ctl[0] = 0x00; /* clear stall */
		epa_ctl[1] = 0x00; /* clear reset */
	} else {
		gpio &= (~0x01); /* GPIO0 = 0 */
		gpio |= 0x10; /* GPIO4 = 1 */
		gpio &= (~0x04); /* GPIO2 = 1, LED off */
		sys0 = sys0 & (~0xc0);
		epa_ctl[0] = 0x10; /* set stall */
		epa_ctl[1] = 0x02; /* set reset */
	}

	dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
			sys0, gpio);

	/* demod adc */
	ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0);
	if (ret)
		goto err;

	/* tuner power, write GPIOs */
	ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
	if (ret)
		goto err;

	/* streaming EP: stall & reset */
	ret = rtl28xx_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
	if (ret)
		goto err;

	if (onoff)
		usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));

	return ret;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
示例#6
0
static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
{
	return rtl28xx_wr_regs(d, reg, &val, 1);
}
示例#7
0
static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	int ret;
	u8 val;

	dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);

	if (onoff) {
		/* set output values */
		ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
		if (ret)
			goto err;

		val |= 0x08;
		val &= 0xef;

		ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
		if (ret)
			goto err;

		/* demod_ctl_1 */
		ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL1, &val);
		if (ret)
			goto err;

		val &= 0xef;

		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL1, val);
		if (ret)
			goto err;

		/* demod control */
		/* PLL enable */
		ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
		if (ret)
			goto err;

		/* bit 7 to 1 */
		val |= 0x80;

		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
		if (ret)
			goto err;

		ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
		if (ret)
			goto err;

		val |= 0x20;

		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
		if (ret)
			goto err;

		mdelay(5);

		/*enable ADC_Q and ADC_I */
		ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
		if (ret)
			goto err;

		val |= 0x48;

		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
		if (ret)
			goto err;

		/* streaming EP: clear stall & reset */
		ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
		if (ret)
			goto err;

		ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
		if (ret)
			goto err;
	} else {
		/* demod_ctl_1 */
		ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL1, &val);
		if (ret)
			goto err;

		val |= 0x0c;

		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL1, val);
		if (ret)
			goto err;

		/* set output values */
		ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
		if (ret)
				goto err;

		val |= 0x10;

		ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
		if (ret)
			goto err;

		/* demod control */
		ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val);
		if (ret)
			goto err;

		val &= 0x37;

		ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val);
		if (ret)
			goto err;

		/* streaming EP: set stall & reset */
		ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
		if (ret)
			goto err;
	}

	return ret;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
示例#8
0
static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
{
	int ret;
	struct dvb_usb_device *d = adap_to_d(adap);
	struct rtl28xxu_priv *priv = d_to_priv(d);
	struct dvb_frontend *fe = NULL;
	struct i2c_board_info info;
	struct i2c_client *client;

	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	memset(&info, 0, sizeof(struct i2c_board_info));

	switch (priv->tuner) {
	case TUNER_RTL2832_FC0012:
		fe = dvb_attach(fc0012_attach, adap->fe[0],
			&d->i2c_adap, &rtl2832u_fc0012_config);

		/* since fc0012 includs reading the signal strength delegate
		 * that to the tuner driver */
		adap->fe[0]->ops.read_signal_strength =
				adap->fe[0]->ops.tuner_ops.get_rf_strength;

		/* attach SDR */
		dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
				&rtl28xxu_rtl2832_fc0012_config, NULL);
		break;
	case TUNER_RTL2832_FC0013:
		fe = dvb_attach(fc0013_attach, adap->fe[0],
			&d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);

		/* fc0013 also supports signal strength reading */
		adap->fe[0]->ops.read_signal_strength =
				adap->fe[0]->ops.tuner_ops.get_rf_strength;

		/* attach SDR */
		dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
				&rtl28xxu_rtl2832_fc0013_config, NULL);
		break;
	case TUNER_RTL2832_E4000: {
			struct v4l2_subdev *sd;
			struct i2c_adapter *i2c_adap_internal =
					rtl2832_get_private_i2c_adapter(adap->fe[0]);
			struct e4000_config e4000_config = {
				.fe = adap->fe[0],
				.clock = 28800000,
			};

			strlcpy(info.type, "e4000", I2C_NAME_SIZE);
			info.addr = 0x64;
			info.platform_data = &e4000_config;

			request_module(info.type);
			client = i2c_new_device(priv->demod_i2c_adapter, &info);
			if (client == NULL || client->dev.driver == NULL)
				break;

			if (!try_module_get(client->dev.driver->owner)) {
				i2c_unregister_device(client);
				break;
			}

			priv->i2c_client_tuner = client;
			sd = i2c_get_clientdata(client);
			i2c_set_adapdata(i2c_adap_internal, d);

			/* attach SDR */
			dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0],
					i2c_adap_internal,
					&rtl28xxu_rtl2832_e4000_config, sd);
		}
		break;
	case TUNER_RTL2832_FC2580:
		fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap,
				&rtl2832u_fc2580_config);
		break;
	case TUNER_RTL2832_TUA9001:
		/* enable GPIO1 and GPIO4 as output */
		ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
		if (ret)
			goto err;

		ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
		if (ret)
			goto err;

		fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap,
				&rtl2832u_tua9001_config);
		break;
	case TUNER_RTL2832_R820T:
		fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap,
				&rtl2832u_r820t_config);

		/* Use tuner to get the signal strength */
		adap->fe[0]->ops.read_signal_strength =
				adap->fe[0]->ops.tuner_ops.get_rf_strength;

		/* attach SDR */
		dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
				&rtl28xxu_rtl2832_r820t_config, NULL);
		break;
	case TUNER_RTL2832_R828D:
		fe = dvb_attach(r820t_attach, adap->fe[0],
				priv->demod_i2c_adapter,
				&rtl2832u_r828d_config);
		adap->fe[0]->ops.read_signal_strength =
				adap->fe[0]->ops.tuner_ops.get_rf_strength;

		if (adap->fe[1]) {
			fe = dvb_attach(r820t_attach, adap->fe[1],
					priv->demod_i2c_adapter,
					&rtl2832u_r828d_config);
			adap->fe[1]->ops.read_signal_strength =
					adap->fe[1]->ops.tuner_ops.get_rf_strength;
		}

		/* attach SDR */
		dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
				&rtl28xxu_rtl2832_r820t_config, NULL);
		break;
	default:
		dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
				priv->tuner);
	}

	if (fe == NULL && priv->i2c_client_tuner == NULL) {
		ret = -ENODEV;
		goto err;
	}

	return 0;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

static int rtl2832u_tuner_detach(struct dvb_usb_adapter *adap)
{
	struct dvb_usb_device *d = adap_to_d(adap);
	struct rtl28xxu_priv *priv = d_to_priv(d);
	struct i2c_client *client;

	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	/* remove I2C tuner */
	client = priv->i2c_client_tuner;
	if (client) {
		module_put(client->dev.driver->owner);
		i2c_unregister_device(client);
	}

	return 0;
}

static int rtl28xxu_init(struct dvb_usb_device *d)
{
	int ret;
	u8 val;

	dev_dbg(&d->udev->dev, "%s:\n", __func__);

	/* init USB endpoints */
	ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
	if (ret)
		goto err;

	/* enable DMA and Full Packet Mode*/
	val |= 0x09;
	ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
	if (ret)
		goto err;

	/* set EPA maximum packet size to 0x0200 */
	ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
	if (ret)
		goto err;

	/* change EPA FIFO length */
	ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
	if (ret)
		goto err;

	return ret;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
示例#9
0
static int rtl28xxu_probe(struct usb_interface *intf,
		const struct usb_device_id *id)
{
	int ret, i;
	u8 val;
	int properties_count = ARRAY_SIZE(rtl28xxu_properties);
	struct dvb_usb_device *d;
	struct usb_device *udev;
	bool found;

	deb_info("%s: interface=%d\n", __func__,
		intf->cur_altsetting->desc.bInterfaceNumber);

	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
		return 0;

	/* Dynamic USB ID support. Replaces first device ID with current one .*/
	udev = interface_to_usbdev(intf);

	for (i = 0, found = false; i < ARRAY_SIZE(rtl28xxu_table) - 1; i++) {
		if (rtl28xxu_table[i].idVendor ==
				le16_to_cpu(udev->descriptor.idVendor) &&
				rtl28xxu_table[i].idProduct ==
				le16_to_cpu(udev->descriptor.idProduct)) {
			found = true;
			break;
		}
	}

	if (!found) {
		deb_info("%s: using dynamic ID %04x:%04x\n", __func__,
				le16_to_cpu(udev->descriptor.idVendor),
				le16_to_cpu(udev->descriptor.idProduct));
		rtl28xxu_properties[0].devices[0].warm_ids[0]->idVendor =
				le16_to_cpu(udev->descriptor.idVendor);
		rtl28xxu_properties[0].devices[0].warm_ids[0]->idProduct =
				le16_to_cpu(udev->descriptor.idProduct);
	}

	for (i = 0; i < properties_count; i++) {
		ret = dvb_usb_device_init(intf, &rtl28xxu_properties[i],
				THIS_MODULE, &d, adapter_nr);
		if (ret == 0 || ret != -ENODEV)
			break;
	}

	if (ret)
		goto err;


	/* init USB endpoints */
	ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
	if (ret)
			goto err;

	/* enable DMA and Full Packet Mode*/
	val |= 0x09;
	ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
	if (ret)
		goto err;

	/* set EPA maximum packet size to 0x0200 */
	ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
	if (ret)
		goto err;

	/* change EPA FIFO length */
	ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
	if (ret)
		goto err;

	return ret;
err:
	deb_info("%s: failed=%d\n", __func__, ret);
	return ret;
}