Ejemplo n.º 1
0
static int rtl2832u_frontend_ctrl(struct dvb_frontend *fe, int onoff)
{
	struct dvb_usb_device *d = fe_to_d(fe);
	struct dvb_usb_adapter *adap = fe_to_adap(fe);
	int ret;
	u8 val;

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

	/* control internal demod ADC */
	if (fe->id == 0 && onoff)
		val = 0x48; /* enable ADC */
	else
		val = 0x00; /* disable ADC */

	ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48);
	if (ret)
		goto err;

	/* bypass slave demod TS through master demod */
	if (fe->id == 1 && onoff) {
		ret = rtl2832_enable_external_ts_if(adap->fe[0]);
		if (ret)
			goto err;
	}

	return 0;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
Ejemplo n.º 2
0
static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d,
		int cmd, int arg)
{
	int ret;
	u8 val;

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

	/*
	 * CEN     always enabled by hardware wiring
	 * RESETN  GPIO4
	 * RXEN    GPIO1
	 */

	switch (cmd) {
	case TUA9001_CMD_RESETN:
		if (arg)
			val = (1 << 4);
		else
			val = (0 << 4);

		ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10);
		if (ret)
			goto err;
		break;
	case TUA9001_CMD_RXEN:
		if (arg)
			val = (1 << 1);
		else
			val = (0 << 1);

		ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
		if (ret)
			goto err;
		break;
	}

	return 0;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
Ejemplo n.º 3
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;
}
Ejemplo n.º 4
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;

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

	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;
		return 0;
		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;
		return 0;
	case TUNER_RTL2832_E4000:
		fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap,
				&rtl2832u_e4000_config);
		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;
		break;
	default:
		fe = NULL;
		dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
				priv->tuner);
	}

	if (fe == NULL) {
		ret = -ENODEV;
		goto err;
	}

	return 0;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
Ejemplo n.º 5
0
static int rtl2832u_read_config(struct dvb_usb_device *d)
{
	struct rtl28xxu_priv *priv = d_to_priv(d);
	int ret;
	u8 buf[2];
	/* open RTL2832U/RTL2832 I2C gate */
	struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
	/* close RTL2832U/RTL2832 I2C gate */
	struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
	/* tuner probes */
	struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
	struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
	struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
	struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};

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

	/* enable GPIO3 and GPIO6 as output */
	ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
	if (ret)
		goto err;

	ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
	if (ret)
		goto err;

	/*
	 * Probe used tuner. We need to know used tuner before demod attach
	 * since there is some demod params needed to set according to tuner.
	 */

	/* open demod I2C gate */
	ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
	if (ret)
		goto err;

	priv->tuner_name = "NONE";

	/* check FC0012 ID register; reg=00 val=a1 */
	ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
	if (ret == 0 && buf[0] == 0xa1) {
		priv->tuner = TUNER_RTL2832_FC0012;
		priv->tuner_name = "FC0012";
		goto found;
	}

	/* check FC0013 ID register; reg=00 val=a3 */
	ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
	if (ret == 0 && buf[0] == 0xa3) {
		priv->tuner = TUNER_RTL2832_FC0013;
		priv->tuner_name = "FC0013";
		goto found;
	}

	/* check MT2266 ID register; reg=00 val=85 */
	ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
	if (ret == 0 && buf[0] == 0x85) {
		priv->tuner = TUNER_RTL2832_MT2266;
		priv->tuner_name = "MT2266";
		goto found;
	}

	/* check FC2580 ID register; reg=01 val=56 */
	ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
	if (ret == 0 && buf[0] == 0x56) {
		priv->tuner = TUNER_RTL2832_FC2580;
		priv->tuner_name = "FC2580";
		goto found;
	}

	/* check MT2063 ID register; reg=00 val=9e || 9c */
	ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
	if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
		priv->tuner = TUNER_RTL2832_MT2063;
		priv->tuner_name = "MT2063";
		goto found;
	}

	/* check MAX3543 ID register; reg=00 val=38 */
	ret = rtl28xxu_ctrl_msg(d, &req_max3543);
	if (ret == 0 && buf[0] == 0x38) {
		priv->tuner = TUNER_RTL2832_MAX3543;
		priv->tuner_name = "MAX3543";
		goto found;
	}

	/* check TUA9001 ID register; reg=7e val=2328 */
	ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
	if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
		priv->tuner = TUNER_RTL2832_TUA9001;
		priv->tuner_name = "TUA9001";
		goto found;
	}

	/* check MXL5007R ID register; reg=d9 val=14 */
	ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
	if (ret == 0 && buf[0] == 0x14) {
		priv->tuner = TUNER_RTL2832_MXL5007T;
		priv->tuner_name = "MXL5007T";
		goto found;
	}

	/* check E4000 ID register; reg=02 val=40 */
	ret = rtl28xxu_ctrl_msg(d, &req_e4000);
	if (ret == 0 && buf[0] == 0x40) {
		priv->tuner = TUNER_RTL2832_E4000;
		priv->tuner_name = "E4000";
		goto found;
	}

	/* check TDA18272 ID register; reg=00 val=c760  */
	ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
	if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
		priv->tuner = TUNER_RTL2832_TDA18272;
		priv->tuner_name = "TDA18272";
		goto found;
	}

	/* check R820T ID register; reg=00 val=69 */
	ret = rtl28xxu_ctrl_msg(d, &req_r820t);
	if (ret == 0 && buf[0] == 0x69) {
		priv->tuner = TUNER_RTL2832_R820T;
		priv->tuner_name = "R820T";
		goto found;
	}

found:
	dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);

	/* close demod I2C gate */
	ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
	if (ret < 0)
		goto err;

	return 0;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
Ejemplo n.º 6
0
static int rtl2832u_rc_query(struct dvb_usb_device *d)
{
	int ret, i, len;
	struct rtl28xxu_priv *priv = d->priv;
	struct ir_raw_event ev;
	u8 buf[128];
	static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
		{IR_RX_IF,               0x03, 0xff},
		{IR_RX_BUF_CTRL,         0x80, 0xff},
		{IR_RX_CTRL,             0x80, 0xff},
	};

	/* init remote controller */
	if (!priv->rc_active) {
		static const struct rtl28xxu_reg_val_mask init_tab[] = {
			{SYS_DEMOD_CTL1,         0x00, 0x04},
			{SYS_DEMOD_CTL1,         0x00, 0x08},
			{USB_CTRL,               0x20, 0x20},
			{SYS_GPIO_DIR,           0x00, 0x08},
			{SYS_GPIO_OUT_EN,        0x08, 0x08},
			{SYS_GPIO_OUT_VAL,       0x08, 0x08},
			{IR_MAX_DURATION0,       0xd0, 0xff},
			{IR_MAX_DURATION1,       0x07, 0xff},
			{IR_IDLE_LEN0,           0xc0, 0xff},
			{IR_IDLE_LEN1,           0x00, 0xff},
			{IR_GLITCH_LEN,          0x03, 0xff},
			{IR_RX_CLK,              0x09, 0xff},
			{IR_RX_CFG,              0x1c, 0xff},
			{IR_MAX_H_TOL_LEN,       0x1e, 0xff},
			{IR_MAX_L_TOL_LEN,       0x1e, 0xff},
			{IR_RX_CTRL,             0x80, 0xff},
		};

		for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
			ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg,
					init_tab[i].val, init_tab[i].mask);
			if (ret)
				goto err;
		}

		priv->rc_active = true;
	}

	ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]);
	if (ret)
		goto err;

	if (buf[0] != 0x83)
		goto exit;

	ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]);
	if (ret)
		goto err;

	len = buf[0];

	/* read raw code from hw */
	ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
	if (ret)
		goto err;

	/* let hw receive new code */
	for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
		ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg,
				refresh_tab[i].val, refresh_tab[i].mask);
		if (ret)
			goto err;
	}

	/* pass data to Kernel IR decoder */
	init_ir_raw_event(&ev);

	for (i = 0; i < len; i++) {
		ev.pulse = buf[i] >> 7;
		ev.duration = 50800 * (buf[i] & 0x7f);
		ir_raw_event_store_with_filter(d->rc_dev, &ev);
	}

	/* 'flush' ir_raw_event_store_with_filter() */
	ir_raw_event_set_idle(d->rc_dev, true);
	ir_raw_event_handle(d->rc_dev);
exit:
	return ret;
err:
	dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}
Ejemplo n.º 7
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;
}