Пример #1
0
static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
{
    struct eeprom_93cx6 eeprom;
    u32 reg;

    rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);

    eeprom.data = rt2x00dev;
    eeprom.register_read = rt2800pci_eepromregister_read;
    eeprom.register_write = rt2800pci_eepromregister_write;
    switch (rt2x00_get_field32(reg, E2PROM_CSR_TYPE))
    {
    case 0:
        eeprom.width = PCI_EEPROM_WIDTH_93C46;
        break;
    case 1:
        eeprom.width = PCI_EEPROM_WIDTH_93C66;
        break;
    default:
        eeprom.width = PCI_EEPROM_WIDTH_93C86;
        break;
    }
    eeprom.reg_data_in = 0;
    eeprom.reg_data_out = 0;
    eeprom.reg_data_clock = 0;
    eeprom.reg_chip_select = 0;

    eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
                           EEPROM_SIZE / sizeof(u16));
}
Пример #2
0
/*
 * Device probe functions.
 */
static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
{
	struct eeprom_93cx6 eeprom;
	u32 reg;
	u16 word;
	u8 *mac;

	rt2x00pci_register_read(rt2x00dev, CSR21, &reg);

	eeprom.data = rt2x00dev;
	eeprom.register_read = rt2400pci_eepromregister_read;
	eeprom.register_write = rt2400pci_eepromregister_write;
	eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
	    PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
	eeprom.reg_data_in = 0;
	eeprom.reg_data_out = 0;
	eeprom.reg_data_clock = 0;
	eeprom.reg_chip_select = 0;

	eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
			       EEPROM_SIZE / sizeof(u16));

	/*
	 * Start validation of the data that has been read.
	 */
	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
	if (!is_valid_ether_addr(mac)) {
		DECLARE_MAC_BUF(macbuf);

		random_ether_addr(mac);
		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
	}

	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
	if (word == 0xffff) {
		ERROR(rt2x00dev, "Invalid EEPROM data detected.\n");
		return -EINVAL;
	}

	return 0;
}
Пример #3
0
static int __devinit rtl8180_probe(struct pci_dev *pdev,
				   const struct pci_device_id *id)
{
	struct ieee80211_hw *dev;
	struct rtl8180_priv *priv;
	unsigned long mem_addr, mem_len;
	unsigned int io_addr, io_len;
	int err, i;
	struct eeprom_93cx6 eeprom;
	const char *chip_name, *rf_name = NULL;
	u32 reg;
	u16 eeprom_val;

	err = pci_enable_device(pdev);
	if (err) {
		printk(KERN_ERR "%s (rtl8180): Cannot enable new PCI device\n",
		       pci_name(pdev));
		return err;
	}

	err = pci_request_regions(pdev, KBUILD_MODNAME);
	if (err) {
		printk(KERN_ERR "%s (rtl8180): Cannot obtain PCI resources\n",
		       pci_name(pdev));
		return err;
	}

	io_addr = pci_resource_start(pdev, 0);
	io_len = pci_resource_len(pdev, 0);
	mem_addr = pci_resource_start(pdev, 1);
	mem_len = pci_resource_len(pdev, 1);

	if (mem_len < sizeof(struct rtl818x_csr) ||
	    io_len < sizeof(struct rtl818x_csr)) {
		printk(KERN_ERR "%s (rtl8180): Too short PCI resources\n",
		       pci_name(pdev));
		err = -ENOMEM;
		goto err_free_reg;
	}

	if ((err = pci_set_dma_mask(pdev, 0xFFFFFF00ULL)) ||
	    (err = pci_set_consistent_dma_mask(pdev, 0xFFFFFF00ULL))) {
		printk(KERN_ERR "%s (rtl8180): No suitable DMA available\n",
		       pci_name(pdev));
		goto err_free_reg;
	}

	pci_set_master(pdev);

	dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8180_ops);
	if (!dev) {
		printk(KERN_ERR "%s (rtl8180): ieee80211 alloc failed\n",
		       pci_name(pdev));
		err = -ENOMEM;
		goto err_free_reg;
	}

	priv = dev->priv;
	priv->pdev = pdev;

	dev->max_rates = 2;
	SET_IEEE80211_DEV(dev, &pdev->dev);
	pci_set_drvdata(pdev, dev);

	priv->map = pci_iomap(pdev, 1, mem_len);
	if (!priv->map)
		priv->map = pci_iomap(pdev, 0, io_len);

	if (!priv->map) {
		printk(KERN_ERR "%s (rtl8180): Cannot map device memory\n",
		       pci_name(pdev));
		goto err_free_dev;
	}

	BUILD_BUG_ON(sizeof(priv->channels) != sizeof(rtl818x_channels));
	BUILD_BUG_ON(sizeof(priv->rates) != sizeof(rtl818x_rates));

	memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels));
	memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates));

	priv->band.band = IEEE80211_BAND_2GHZ;
	priv->band.channels = priv->channels;
	priv->band.n_channels = ARRAY_SIZE(rtl818x_channels);
	priv->band.bitrates = priv->rates;
	priv->band.n_bitrates = 4;
	dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;

	dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
		     IEEE80211_HW_RX_INCLUDES_FCS |
		     IEEE80211_HW_SIGNAL_UNSPEC;
	dev->queues = 1;
	dev->max_signal = 65;

	reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
	reg &= RTL818X_TX_CONF_HWVER_MASK;
	switch (reg) {
	case RTL818X_TX_CONF_R8180_ABCD:
		chip_name = "RTL8180";
		break;
	case RTL818X_TX_CONF_R8180_F:
		chip_name = "RTL8180vF";
		break;
	case RTL818X_TX_CONF_R8185_ABC:
		chip_name = "RTL8185";
		break;
	case RTL818X_TX_CONF_R8185_D:
		chip_name = "RTL8185vD";
		break;
	default:
		printk(KERN_ERR "%s (rtl8180): Unknown chip! (0x%x)\n",
		       pci_name(pdev), reg >> 25);
		goto err_iounmap;
	}

	priv->r8185 = reg & RTL818X_TX_CONF_R8185_ABC;
	if (priv->r8185) {
		priv->band.n_bitrates = ARRAY_SIZE(rtl818x_rates);
		pci_try_set_mwi(pdev);
	}

	eeprom.data = dev;
	eeprom.register_read = rtl8180_eeprom_register_read;
	eeprom.register_write = rtl8180_eeprom_register_write;
	if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6))
		eeprom.width = PCI_EEPROM_WIDTH_93C66;
	else
		eeprom.width = PCI_EEPROM_WIDTH_93C46;

	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_PROGRAM);
	rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
	udelay(10);

	eeprom_93cx6_read(&eeprom, 0x06, &eeprom_val);
	eeprom_val &= 0xFF;
	switch (eeprom_val) {
	case 1:	rf_name = "Intersil";
		break;
	case 2:	rf_name = "RFMD";
		break;
	case 3:	priv->rf = &sa2400_rf_ops;
		break;
	case 4:	priv->rf = &max2820_rf_ops;
		break;
	case 5:	priv->rf = &grf5101_rf_ops;
		break;
	case 9:	priv->rf = rtl8180_detect_rf(dev);
		break;
	case 10:
		rf_name = "RTL8255";
		break;
	default:
		printk(KERN_ERR "%s (rtl8180): Unknown RF! (0x%x)\n",
		       pci_name(pdev), eeprom_val);
		goto err_iounmap;
	}

	if (!priv->rf) {
		printk(KERN_ERR "%s (rtl8180): %s RF frontend not supported!\n",
		       pci_name(pdev), rf_name);
		goto err_iounmap;
	}

	eeprom_93cx6_read(&eeprom, 0x17, &eeprom_val);
	priv->csthreshold = eeprom_val >> 8;
	if (!priv->r8185) {
		__le32 anaparam;
		eeprom_93cx6_multiread(&eeprom, 0xD, (__le16 *)&anaparam, 2);
		priv->anaparam = le32_to_cpu(anaparam);
		eeprom_93cx6_read(&eeprom, 0x19, &priv->rfparam);
	}

	eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)dev->wiphy->perm_addr, 3);
	if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
		printk(KERN_WARNING "%s (rtl8180): Invalid hwaddr! Using"
		       " randomly generated MAC addr\n", pci_name(pdev));
		random_ether_addr(dev->wiphy->perm_addr);
	}

	/* CCK TX power */
	for (i = 0; i < 14; i += 2) {
		u16 txpwr;
		eeprom_93cx6_read(&eeprom, 0x10 + (i >> 1), &txpwr);
		priv->channels[i].hw_value = txpwr & 0xFF;
		priv->channels[i + 1].hw_value = txpwr >> 8;
	}

	/* OFDM TX power */
	if (priv->r8185) {
		for (i = 0; i < 14; i += 2) {
			u16 txpwr;
			eeprom_93cx6_read(&eeprom, 0x20 + (i >> 1), &txpwr);
			priv->channels[i].hw_value |= (txpwr & 0xFF) << 8;
			priv->channels[i + 1].hw_value |= txpwr & 0xFF00;
		}
	}

	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);

	spin_lock_init(&priv->lock);

	err = ieee80211_register_hw(dev);
	if (err) {
		printk(KERN_ERR "%s (rtl8180): Cannot register device\n",
		       pci_name(pdev));
		goto err_iounmap;
	}

	printk(KERN_INFO "%s: hwaddr %pM, %s + %s\n",
	       wiphy_name(dev->wiphy), dev->wiphy->perm_addr,
	       chip_name, priv->rf->name);

	return 0;

 err_iounmap:
	iounmap(priv->map);

 err_free_dev:
	pci_set_drvdata(pdev, NULL);
	ieee80211_free_hw(dev);

 err_free_reg:
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	return err;
}
Пример #4
0
static int adm8211_read_eeprom(struct ieee80211_hw *dev)
{
	struct adm8211_priv *priv = dev->priv;
	unsigned int words, i;
	struct ieee80211_chan_range chan_range;
	u16 cr49;
	struct eeprom_93cx6 eeprom = {
		.data		= priv,
		.register_read	= adm8211_eeprom_register_read,
		.register_write	= adm8211_eeprom_register_write
	};

	if (ADM8211_CSR_READ(CSR_TEST0) & ADM8211_CSR_TEST0_EPTYP) {
		/* 256 * 16-bit = 512 bytes */
		eeprom.width = PCI_EEPROM_WIDTH_93C66;
		words = 256;
	} else {
		/* 64 * 16-bit = 128 bytes */
		eeprom.width = PCI_EEPROM_WIDTH_93C46;
		words = 64;
	}

	priv->eeprom_len = words * 2;
	priv->eeprom = kmalloc(priv->eeprom_len, GFP_KERNEL);
	if (!priv->eeprom)
		return -ENOMEM;

	eeprom_93cx6_multiread(&eeprom, 0, (__le16 *)priv->eeprom, words);

	cr49 = le16_to_cpu(priv->eeprom->cr49);
	priv->rf_type = (cr49 >> 3) & 0x7;
	switch (priv->rf_type) {
	case ADM8211_TYPE_INTERSIL:
	case ADM8211_TYPE_RFMD:
	case ADM8211_TYPE_MARVEL:
	case ADM8211_TYPE_AIROHA:
	case ADM8211_TYPE_ADMTEK:
		break;

	default:
		if (priv->pdev->revision < ADM8211_REV_CA)
			priv->rf_type = ADM8211_TYPE_RFMD;
		else
			priv->rf_type = ADM8211_TYPE_AIROHA;

		printk(KERN_WARNING "%s (adm8211): Unknown RFtype %d\n",
		       pci_name(priv->pdev), (cr49 >> 3) & 0x7);
	}

	priv->bbp_type = cr49 & 0x7;
	switch (priv->bbp_type) {
	case ADM8211_TYPE_INTERSIL:
	case ADM8211_TYPE_RFMD:
	case ADM8211_TYPE_MARVEL:
	case ADM8211_TYPE_AIROHA:
	case ADM8211_TYPE_ADMTEK:
		break;
	default:
		if (priv->pdev->revision < ADM8211_REV_CA)
			priv->bbp_type = ADM8211_TYPE_RFMD;
		else
			priv->bbp_type = ADM8211_TYPE_ADMTEK;

		printk(KERN_WARNING "%s (adm8211): Unknown BBPtype: %d\n",
		       pci_name(priv->pdev), cr49 >> 3);
	}

	if (priv->eeprom->country_code >= ARRAY_SIZE(cranges)) {
		printk(KERN_WARNING "%s (adm8211): Invalid country code (%d)\n",
		       pci_name(priv->pdev), priv->eeprom->country_code);

		chan_range = cranges[2];
	} else
		chan_range = cranges[priv->eeprom->country_code];

	printk(KERN_DEBUG "%s (adm8211): Channel range: %d - %d\n",
	       pci_name(priv->pdev), (int)chan_range.min, (int)chan_range.max);

	BUILD_BUG_ON(sizeof(priv->channels) != sizeof(adm8211_channels));

	memcpy(priv->channels, adm8211_channels, sizeof(priv->channels));
	priv->band.channels = priv->channels;
	priv->band.n_channels = ARRAY_SIZE(adm8211_channels);
	priv->band.bitrates = adm8211_rates;
	priv->band.n_bitrates = ARRAY_SIZE(adm8211_rates);

	for (i = 1; i <= ARRAY_SIZE(adm8211_channels); i++)
		if (i < chan_range.min || i > chan_range.max)
			priv->channels[i - 1].flags |= IEEE80211_CHAN_DISABLED;

	switch (priv->eeprom->specific_bbptype) {
	case ADM8211_BBP_RFMD3000:
	case ADM8211_BBP_RFMD3002:
	case ADM8211_BBP_ADM8011:
		priv->specific_bbptype = priv->eeprom->specific_bbptype;
		break;

	default:
		if (priv->pdev->revision < ADM8211_REV_CA)
			priv->specific_bbptype = ADM8211_BBP_RFMD3000;
		else
			priv->specific_bbptype = ADM8211_BBP_ADM8011;

		printk(KERN_WARNING "%s (adm8211): Unknown specific BBP: %d\n",
		       pci_name(priv->pdev), priv->eeprom->specific_bbptype);
	}

	switch (priv->eeprom->specific_rftype) {
	case ADM8211_RFMD2948:
	case ADM8211_RFMD2958:
	case ADM8211_RFMD2958_RF3000_CONTROL_POWER:
	case ADM8211_MAX2820:
	case ADM8211_AL2210L:
		priv->transceiver_type = priv->eeprom->specific_rftype;
		break;

	default:
		if (priv->pdev->revision == ADM8211_REV_BA)
			priv->transceiver_type = ADM8211_RFMD2958_RF3000_CONTROL_POWER;
		else if (priv->pdev->revision == ADM8211_REV_CA)
			priv->transceiver_type = ADM8211_AL2210L;
		else if (priv->pdev->revision == ADM8211_REV_AB)
			priv->transceiver_type = ADM8211_RFMD2948;

		printk(KERN_WARNING "%s (adm8211): Unknown transceiver: %d\n",
		       pci_name(priv->pdev), priv->eeprom->specific_rftype);

		break;
	}

	printk(KERN_DEBUG "%s (adm8211): RFtype=%d BBPtype=%d Specific BBP=%d "
               "Transceiver=%d\n", pci_name(priv->pdev), priv->rf_type,
	       priv->bbp_type, priv->specific_bbptype, priv->transceiver_type);

	return 0;
}