Esempi in C++ (Cpp) per qf_read_reg

Esempio n. 1

File: qf9700.c Progetto: pgquiles/qf9700

/* write one word to phy or eeprom */
static int qf_share_write_word(struct usbnet *dev, int phy, u8 reg, __le16 value)
{
	int ret, i;

	mutex_lock(&dev->phy_mutex);

	ret = qf_write(dev, EPDR, 2, &value);
	if (ret < 0)
		goto out;

	qf_write_reg(dev, EPAR, phy ? (reg | 0x40) : reg);
	qf_write_reg(dev, EPCR, phy ? 0x1a : 0x12);

	for (i = 0; i < QF_SHARE_TIMEOUT; i++) {
		u8 tmp;

		udelay(1);
		ret = qf_read_reg(dev, EPCR, &tmp);
		if (ret < 0)
			goto out;

		/* ready */
		if ((tmp & 1) == 0)
			break;
	}

	if (i >= QF_SHARE_TIMEOUT) {
		netdev_warn(dev->net,"%s write timed out!", phy ? "phy" : "eeprom");
		ret = -EIO;
		goto out;
	}

	qf_write_reg(dev, EPCR, 0x0);

out:
	mutex_unlock(&dev->phy_mutex);
	return ret;
}

Esempio n. 2

File: qf9700_android.c Progetto: MarkLuk/USB_Ethernet_DriverPack

/* qf9700_android read one word from phy or eeprom  */
static int qf_share_read_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
{
	int ret, i;

	mutex_lock(&dev->phy_mutex);

	qf_write_reg(dev, EPAR, phy ? (reg | 0x40) : reg);
	qf_write_reg(dev, EPCR, phy ? 0xc : 0x4);

	for (i = 0; i < QF_SHARE_TIMEOUT; i++) {
		u8 tmp;

		udelay(1);
		ret = qf_read_reg(dev, EPCR, &tmp);
		if (ret < 0)
			goto out;

		/* ready */
		if ((tmp & 1) == 0)
			break;
	}

	if (i >= QF_SHARE_TIMEOUT) {
		netdev_err(dev, "%s read timed out!", phy ? "phy" : "eeprom");
		ret = -EIO;
		goto out;
	}

	qf_write_reg(dev, EPCR, 0x0);
	ret = qf_read(dev, EPDR, 2, value);

	netdev_dbg(dev, "read shared %d 0x%02x returned 0x%04x, %d",
	       phy, reg, *value, ret);

 out:
	mutex_unlock(&dev->phy_mutex);
	return ret;
}