static void wl_glue_bcma_remove(struct bcma_device *dev)
{
void *wldev = bcma_get_drvdata(dev);
if (remove_cb)
remove_cb(wldev);
bcma_set_drvdata(dev, NULL);
}
static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val)
{
struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
if (IS_ERR_OR_NULL(usb_dev->gpio_desc))
return;
gpiod_set_value(usb_dev->gpio_desc, val);
}
static void bgmac_remove(struct bcma_device *core)
{
struct bgmac *bgmac = bcma_get_drvdata(core);
bcma_mdio_mii_unregister(bgmac->mii_bus);
bgmac_enet_remove(bgmac);
bcma_set_drvdata(core, NULL);
kfree(bgmac);
}
static void bgmac_remove(struct bcma_device *core)
{
struct bgmac *bgmac = bcma_get_drvdata(core);
netif_napi_del(&bgmac->napi);
unregister_netdev(bgmac->net_dev);
bgmac_mii_unregister(bgmac);
bgmac_dma_free(bgmac);
bcma_set_drvdata(core, NULL);
free_netdev(bgmac->net_dev);
}
static void bcma_hcd_remove(struct bcma_device *dev)
{
struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
struct platform_device *ohci_dev = usb_dev->ohci_dev;
struct platform_device *ehci_dev = usb_dev->ehci_dev;
if (ohci_dev)
platform_device_unregister(ohci_dev);
if (ehci_dev)
platform_device_unregister(ehci_dev);
bcma_core_disable(dev, 0);
}
void *b43_bus_get_wldev(struct b43_bus_dev *dev)
{
switch (dev->bus_type) {
#ifdef CONFIG_B43_BCMA
case B43_BUS_BCMA:
return bcma_get_drvdata(dev->bdev);
#endif
#ifdef CONFIG_B43_SSB
case B43_BUS_SSB:
return ssb_get_drvdata(dev->sdev);
#endif
}
return NULL;
}
/*
* called from both kernel as from this kernel module (error flow on attach)
* precondition: perimeter lock is not acquired.
*/
static void brcms_remove(struct bcma_device *pdev)
{
struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
struct brcms_info *wl = hw->priv;
if (wl->wlc) {
wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
ieee80211_unregister_hw(hw);
}
brcms_free(wl);
bcma_set_drvdata(pdev, NULL);
ieee80211_free_hw(hw);
}
static int brcms_suspend(struct bcma_device *pdev)
{
struct brcms_info *wl;
struct ieee80211_hw *hw;
hw = bcma_get_drvdata(pdev);
wl = hw->priv;
if (!wl) {
pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME,
__func__);
return -ENODEV;
}
/* only need to flag hw is down for proper resume */
spin_lock_bh(&wl->lock);
wl->pub->hw_up = false;
spin_unlock_bh(&wl->lock);
brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n");
return 0;
}
static int brcms_suspend(struct bcma_device *pdev)
{
struct brcms_info *wl;
struct ieee80211_hw *hw;
hw = bcma_get_drvdata(pdev);
wl = hw->priv;
if (!wl) {
wiphy_err(wl->wiphy,
"brcms_suspend: bcma_get_drvdata failed\n");
return -ENODEV;
}
/* only need to flag hw is down for proper resume */
spin_lock_bh(&wl->lock);
wl->pub->hw_up = false;
spin_unlock_bh(&wl->lock);
pr_debug("brcms_suspend ok\n");
return 0;
}
/**
* attach to the WL device.
*
* Attach to the WL device identified by vendor and device parameters.
* regs is a host accessible memory address pointing to WL device registers.
*
* is called in brcms_bcma_probe() context, therefore no locking required.
*/
static struct brcms_info *brcms_attach(struct bcma_device *pdev)
{
struct brcms_info *wl = NULL;
int unit, err;
struct ieee80211_hw *hw;
u8 perm[ETH_ALEN];
unit = n_adapters_found;
err = 0;
if (unit < 0)
return NULL;
/* allocate private info */
hw = bcma_get_drvdata(pdev);
if (hw != NULL)
wl = hw->priv;
if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
return NULL;
wl->wiphy = hw->wiphy;
atomic_set(&wl->callbacks, 0);
init_waitqueue_head(&wl->tx_flush_wq);
/* setup the bottom half handler */
tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
spin_lock_init(&wl->lock);
spin_lock_init(&wl->isr_lock);
/* common load-time initialization */
wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
if (!wl->wlc) {
wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
KBUILD_MODNAME, err);
goto fail;
}
wl->pub = brcms_c_pub(wl->wlc);
wl->pub->ieee_hw = hw;
/* register our interrupt handler */
if (request_irq(pdev->irq, brcms_isr,
IRQF_SHARED, KBUILD_MODNAME, wl)) {
wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
goto fail;
}
wl->irq = pdev->irq;
/* register module */
brcms_c_module_register(wl->pub, "linux", wl, NULL);
if (ieee_hw_init(hw)) {
wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
__func__);
goto fail;
}
brcms_c_regd_init(wl->wlc);
memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
if (WARN_ON(!is_valid_ether_addr(perm)))
goto fail;
SET_IEEE80211_PERM_ADDR(hw, perm);
err = ieee80211_register_hw(hw);
if (err)
wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
"%d\n", __func__, err);
if (wl->pub->srom_ccode[0] &&
regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
brcms_debugfs_attach(wl->pub);
brcms_debugfs_create_files(wl->pub);
n_adapters_found++;
return wl;
fail:
brcms_free(wl);
return NULL;
}
static int bgmac_fixed_phy_register(struct bgmac *bgmac)
{
struct fixed_phy_status fphy_status = {
.link = 1,
.speed = SPEED_1000,
.duplex = DUPLEX_FULL,
};
struct phy_device *phy_dev;
int err;
phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, -1, NULL);
if (!phy_dev || IS_ERR(phy_dev)) {
bgmac_err(bgmac, "Failed to register fixed PHY device\n");
return -ENODEV;
}
err = phy_connect_direct(bgmac->net_dev, phy_dev, bgmac_adjust_link,
PHY_INTERFACE_MODE_MII);
if (err) {
bgmac_err(bgmac, "Connecting PHY failed\n");
return err;
}
bgmac->phy_dev = phy_dev;
return err;
}
static int bgmac_mii_register(struct bgmac *bgmac)
{
struct mii_bus *mii_bus;
struct phy_device *phy_dev;
char bus_id[MII_BUS_ID_SIZE + 3];
int err = 0;
if (bgmac_is_bcm4707_family(bgmac))
return bgmac_fixed_phy_register(bgmac);
mii_bus = mdiobus_alloc();
if (!mii_bus)
return -ENOMEM;
mii_bus->name = "bgmac mii bus";
sprintf(mii_bus->id, "%s-%d-%d", "bgmac", bgmac->core->bus->num,
bgmac->core->core_unit);
mii_bus->priv = bgmac;
mii_bus->read = bgmac_mii_read;
mii_bus->write = bgmac_mii_write;
mii_bus->parent = &bgmac->core->dev;
mii_bus->phy_mask = ~(1 << bgmac->phyaddr);
err = mdiobus_register(mii_bus);
if (err) {
bgmac_err(bgmac, "Registration of mii bus failed\n");
goto err_free_bus;
}
bgmac->mii_bus = mii_bus;
/* Connect to the PHY */
snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, mii_bus->id,
bgmac->phyaddr);
phy_dev = phy_connect(bgmac->net_dev, bus_id, &bgmac_adjust_link,
PHY_INTERFACE_MODE_MII);
if (IS_ERR(phy_dev)) {
bgmac_err(bgmac, "PHY connection failed\n");
err = PTR_ERR(phy_dev);
goto err_unregister_bus;
}
bgmac->phy_dev = phy_dev;
return err;
err_unregister_bus:
mdiobus_unregister(mii_bus);
err_free_bus:
mdiobus_free(mii_bus);
return err;
}
static void bgmac_mii_unregister(struct bgmac *bgmac)
{
struct mii_bus *mii_bus = bgmac->mii_bus;
mdiobus_unregister(mii_bus);
mdiobus_free(mii_bus);
}
/**************************************************
* BCMA bus ops
**************************************************/
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipattach */
static int bgmac_probe(struct bcma_device *core)
{
struct net_device *net_dev;
struct bgmac *bgmac;
struct ssb_sprom *sprom = &core->bus->sprom;
u8 *mac;
int err;
switch (core->core_unit) {
case 0:
mac = sprom->et0mac;
break;
case 1:
mac = sprom->et1mac;
break;
case 2:
mac = sprom->et2mac;
break;
default:
pr_err("Unsupported core_unit %d\n", core->core_unit);
return -ENOTSUPP;
}
if (!is_valid_ether_addr(mac)) {
dev_err(&core->dev, "Invalid MAC addr: %pM\n", mac);
eth_random_addr(mac);
dev_warn(&core->dev, "Using random MAC: %pM\n", mac);
}
/* This (reset &) enable is not preset in specs or reference driver but
* Broadcom does it in arch PCI code when enabling fake PCI device.
*/
bcma_core_enable(core, 0);
/* Allocation and references */
net_dev = alloc_etherdev(sizeof(*bgmac));
if (!net_dev)
return -ENOMEM;
net_dev->netdev_ops = &bgmac_netdev_ops;
net_dev->irq = core->irq;
net_dev->ethtool_ops = &bgmac_ethtool_ops;
bgmac = netdev_priv(net_dev);
bgmac->net_dev = net_dev;
bgmac->core = core;
bcma_set_drvdata(core, bgmac);
/* Defaults */
memcpy(bgmac->net_dev->dev_addr, mac, ETH_ALEN);
/* On BCM4706 we need common core to access PHY */
if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
!core->bus->drv_gmac_cmn.core) {
bgmac_err(bgmac, "GMAC CMN core not found (required for BCM4706)\n");
err = -ENODEV;
goto err_netdev_free;
}
bgmac->cmn = core->bus->drv_gmac_cmn.core;
switch (core->core_unit) {
case 0:
bgmac->phyaddr = sprom->et0phyaddr;
break;
case 1:
bgmac->phyaddr = sprom->et1phyaddr;
break;
case 2:
bgmac->phyaddr = sprom->et2phyaddr;
break;
}
bgmac->phyaddr &= BGMAC_PHY_MASK;
if (bgmac->phyaddr == BGMAC_PHY_MASK) {
bgmac_err(bgmac, "No PHY found\n");
err = -ENODEV;
goto err_netdev_free;
}
bgmac_info(bgmac, "Found PHY addr: %d%s\n", bgmac->phyaddr,
bgmac->phyaddr == BGMAC_PHY_NOREGS ? " (NOREGS)" : "");
if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) {
bgmac_err(bgmac, "PCI setup not implemented\n");
err = -ENOTSUPP;
goto err_netdev_free;
}
bgmac_chip_reset(bgmac);
/* For Northstar, we have to take all GMAC core out of reset */
if (bgmac_is_bcm4707_family(bgmac)) {
struct bcma_device *ns_core;
int ns_gmac;
/* Northstar has 4 GMAC cores */
for (ns_gmac = 0; ns_gmac < 4; ns_gmac++) {
/* As Northstar requirement, we have to reset all GMACs
* before accessing one. bgmac_chip_reset() call
* bcma_core_enable() for this core. Then the other
* three GMACs didn't reset. We do it here.
*/
ns_core = bcma_find_core_unit(core->bus,
BCMA_CORE_MAC_GBIT,
ns_gmac);
if (ns_core && !bcma_core_is_enabled(ns_core))
bcma_core_enable(ns_core, 0);
}
}
err = bgmac_dma_alloc(bgmac);
if (err) {
bgmac_err(bgmac, "Unable to alloc memory for DMA\n");
goto err_netdev_free;
}
bgmac->int_mask = BGMAC_IS_ERRMASK | BGMAC_IS_RX | BGMAC_IS_TX_MASK;
if (bcm47xx_nvram_getenv("et0_no_txint", NULL, 0) == 0)
bgmac->int_mask &= ~BGMAC_IS_TX_MASK;
/* TODO: reset the external phy. Specs are needed */
bgmac_phy_reset(bgmac);
bgmac->has_robosw = !!(core->bus->sprom.boardflags_lo &
BGMAC_BFL_ENETROBO);
if (bgmac->has_robosw)
bgmac_warn(bgmac, "Support for Roboswitch not implemented\n");
if (core->bus->sprom.boardflags_lo & BGMAC_BFL_ENETADM)
bgmac_warn(bgmac, "Support for ADMtek ethernet switch not implemented\n");
netif_napi_add(net_dev, &bgmac->napi, bgmac_poll, BGMAC_WEIGHT);
err = bgmac_mii_register(bgmac);
if (err) {
bgmac_err(bgmac, "Cannot register MDIO\n");
goto err_dma_free;
}
net_dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
net_dev->hw_features = net_dev->features;
net_dev->vlan_features = net_dev->features;
err = register_netdev(bgmac->net_dev);
if (err) {
bgmac_err(bgmac, "Cannot register net device\n");
goto err_mii_unregister;
}
netif_carrier_off(net_dev);
return 0;
err_mii_unregister:
bgmac_mii_unregister(bgmac);
err_dma_free:
bgmac_dma_free(bgmac);
err_netdev_free:
bcma_set_drvdata(core, NULL);
free_netdev(net_dev);
return err;
}
static void bgmac_remove(struct bcma_device *core)
{
struct bgmac *bgmac = bcma_get_drvdata(core);
unregister_netdev(bgmac->net_dev);
bgmac_mii_unregister(bgmac);
netif_napi_del(&bgmac->napi);
bgmac_dma_free(bgmac);
bcma_set_drvdata(core, NULL);
free_netdev(bgmac->net_dev);
}
static struct bcma_driver bgmac_bcma_driver = {
.name = KBUILD_MODNAME,
.id_table = bgmac_bcma_tbl,
.probe = bgmac_probe,
.remove = bgmac_remove,
};
static int __init bgmac_init(void)
{
int err;
err = bcma_driver_register(&bgmac_bcma_driver);
if (err)
return err;
pr_info("Broadcom 47xx GBit MAC driver loaded\n");
return 0;
}
static void bcm53xxspi_bcma_remove(struct bcma_device *core)
{
struct bcm53xxspi *b53spi = bcma_get_drvdata(core);
spi_unregister_master(b53spi->master);
}
