diff options
Diffstat (limited to 'drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c')
-rw-r--r-- | drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c | 208 |
1 files changed, 26 insertions, 182 deletions
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c index b942926e3b69..1ae68f94dd49 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c @@ -122,7 +122,7 @@ static int txgbe_pcs_write(struct mii_bus *bus, int addr, int devnum, int regnum static int txgbe_mdio_pcs_init(struct txgbe *txgbe) { struct mii_bus *mii_bus; - struct dw_xpcs *xpcs; + struct phylink_pcs *pcs; struct pci_dev *pdev; struct wx *wx; int ret = 0; @@ -147,11 +147,11 @@ static int txgbe_mdio_pcs_init(struct txgbe *txgbe) if (ret) return ret; - xpcs = xpcs_create_mdiodev(mii_bus, 0, PHY_INTERFACE_MODE_10GBASER); - if (IS_ERR(xpcs)) - return PTR_ERR(xpcs); + pcs = xpcs_create_pcs_mdiodev(mii_bus, 0); + if (IS_ERR(pcs)) + return PTR_ERR(pcs); - txgbe->xpcs = xpcs; + txgbe->pcs = pcs; return 0; } @@ -162,8 +162,8 @@ static struct phylink_pcs *txgbe_phylink_mac_select(struct phylink_config *confi struct wx *wx = phylink_to_wx(config); struct txgbe *txgbe = wx->priv; - if (interface == PHY_INTERFACE_MODE_10GBASER) - return &txgbe->xpcs->pcs; + if (wx->media_type != sp_media_copper) + return txgbe->pcs; return NULL; } @@ -292,6 +292,21 @@ static int txgbe_phylink_init(struct txgbe *txgbe) return 0; } +irqreturn_t txgbe_link_irq_handler(int irq, void *data) +{ + struct txgbe *txgbe = data; + struct wx *wx = txgbe->wx; + u32 status; + bool up; + + status = rd32(wx, TXGBE_CFG_PORT_ST); + up = !!(status & TXGBE_CFG_PORT_ST_LINK_UP); + + phylink_pcs_change(txgbe->pcs, up); + + return IRQ_HANDLED; +} + static int txgbe_gpio_get(struct gpio_chip *chip, unsigned int offset) { struct wx *wx = gpiochip_get_data(chip); @@ -343,157 +358,8 @@ static int txgbe_gpio_direction_out(struct gpio_chip *chip, unsigned int offset, return 0; } -static void txgbe_gpio_irq_ack(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - irq_hw_number_t hwirq = irqd_to_hwirq(d); - struct wx *wx = gpiochip_get_data(gc); - unsigned long flags; - - raw_spin_lock_irqsave(&wx->gpio_lock, flags); - wr32(wx, WX_GPIO_EOI, BIT(hwirq)); - raw_spin_unlock_irqrestore(&wx->gpio_lock, flags); -} - -static void txgbe_gpio_irq_mask(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - irq_hw_number_t hwirq = irqd_to_hwirq(d); - struct wx *wx = gpiochip_get_data(gc); - unsigned long flags; - - gpiochip_disable_irq(gc, hwirq); - - raw_spin_lock_irqsave(&wx->gpio_lock, flags); - wr32m(wx, WX_GPIO_INTMASK, BIT(hwirq), BIT(hwirq)); - raw_spin_unlock_irqrestore(&wx->gpio_lock, flags); -} - -static void txgbe_gpio_irq_unmask(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - irq_hw_number_t hwirq = irqd_to_hwirq(d); - struct wx *wx = gpiochip_get_data(gc); - unsigned long flags; - - gpiochip_enable_irq(gc, hwirq); - - raw_spin_lock_irqsave(&wx->gpio_lock, flags); - wr32m(wx, WX_GPIO_INTMASK, BIT(hwirq), 0); - raw_spin_unlock_irqrestore(&wx->gpio_lock, flags); -} - -static void txgbe_toggle_trigger(struct gpio_chip *gc, unsigned int offset) -{ - struct wx *wx = gpiochip_get_data(gc); - u32 pol, val; - - pol = rd32(wx, WX_GPIO_POLARITY); - val = rd32(wx, WX_GPIO_EXT); - - if (val & BIT(offset)) - pol &= ~BIT(offset); - else - pol |= BIT(offset); - - wr32(wx, WX_GPIO_POLARITY, pol); -} - -static int txgbe_gpio_set_type(struct irq_data *d, unsigned int type) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - irq_hw_number_t hwirq = irqd_to_hwirq(d); - struct wx *wx = gpiochip_get_data(gc); - u32 level, polarity, mask; - unsigned long flags; - - mask = BIT(hwirq); - - if (type & IRQ_TYPE_LEVEL_MASK) { - level = 0; - irq_set_handler_locked(d, handle_level_irq); - } else { - level = mask; - irq_set_handler_locked(d, handle_edge_irq); - } - - if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH) - polarity = mask; - else - polarity = 0; - - raw_spin_lock_irqsave(&wx->gpio_lock, flags); - - wr32m(wx, WX_GPIO_INTEN, mask, mask); - wr32m(wx, WX_GPIO_INTTYPE_LEVEL, mask, level); - if (type == IRQ_TYPE_EDGE_BOTH) - txgbe_toggle_trigger(gc, hwirq); - else - wr32m(wx, WX_GPIO_POLARITY, mask, polarity); - - raw_spin_unlock_irqrestore(&wx->gpio_lock, flags); - - return 0; -} - -static const struct irq_chip txgbe_gpio_irq_chip = { - .name = "txgbe_gpio_irq", - .irq_ack = txgbe_gpio_irq_ack, - .irq_mask = txgbe_gpio_irq_mask, - .irq_unmask = txgbe_gpio_irq_unmask, - .irq_set_type = txgbe_gpio_set_type, - .flags = IRQCHIP_IMMUTABLE, - GPIOCHIP_IRQ_RESOURCE_HELPERS, -}; - -static void txgbe_irq_handler(struct irq_desc *desc) -{ - struct irq_chip *chip = irq_desc_get_chip(desc); - struct wx *wx = irq_desc_get_handler_data(desc); - struct txgbe *txgbe = wx->priv; - irq_hw_number_t hwirq; - unsigned long gpioirq; - struct gpio_chip *gc; - unsigned long flags; - u32 eicr; - - eicr = wx_misc_isb(wx, WX_ISB_MISC); - - chained_irq_enter(chip, desc); - - gpioirq = rd32(wx, WX_GPIO_INTSTATUS); - - gc = txgbe->gpio; - for_each_set_bit(hwirq, &gpioirq, gc->ngpio) { - int gpio = irq_find_mapping(gc->irq.domain, hwirq); - u32 irq_type = irq_get_trigger_type(gpio); - - generic_handle_domain_irq(gc->irq.domain, hwirq); - - if ((irq_type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { - raw_spin_lock_irqsave(&wx->gpio_lock, flags); - txgbe_toggle_trigger(gc, hwirq); - raw_spin_unlock_irqrestore(&wx->gpio_lock, flags); - } - } - - chained_irq_exit(chip, desc); - - if (eicr & (TXGBE_PX_MISC_ETH_LK | TXGBE_PX_MISC_ETH_LKDN | - TXGBE_PX_MISC_ETH_AN)) { - u32 reg = rd32(wx, TXGBE_CFG_PORT_ST); - - phylink_pcs_change(&txgbe->xpcs->pcs, - !!(reg & TXGBE_CFG_PORT_ST_LINK_UP)); - } - - /* unmask interrupt */ - wx_intr_enable(wx, TXGBE_INTR_MISC); -} - static int txgbe_gpio_init(struct txgbe *txgbe) { - struct gpio_irq_chip *girq; struct gpio_chip *gc; struct device *dev; struct wx *wx; @@ -523,24 +389,6 @@ static int txgbe_gpio_init(struct txgbe *txgbe) gc->direction_input = txgbe_gpio_direction_in; gc->direction_output = txgbe_gpio_direction_out; - girq = &gc->irq; - gpio_irq_chip_set_chip(girq, &txgbe_gpio_irq_chip); - girq->parent_handler = txgbe_irq_handler; - girq->parent_handler_data = wx; - girq->num_parents = 1; - girq->parents = devm_kcalloc(dev, girq->num_parents, - sizeof(*girq->parents), GFP_KERNEL); - if (!girq->parents) - return -ENOMEM; - - /* now only suuported on MSI-X interrupt */ - if (!wx->msix_entry) - return -EPERM; - - girq->parents[0] = wx->msix_entry->vector; - girq->default_type = IRQ_TYPE_NONE; - girq->handler = handle_bad_irq; - ret = devm_gpiochip_add_data(dev, gc, wx); if (ret) return ret; @@ -564,7 +412,7 @@ static int txgbe_clock_register(struct txgbe *txgbe) if (IS_ERR(clk)) return PTR_ERR(clk); - clock = clkdev_create(clk, NULL, clk_name); + clock = clkdev_create(clk, NULL, "%s", clk_name); if (!clock) { clk_unregister(clk); return -ENOMEM; @@ -674,8 +522,7 @@ static int txgbe_ext_phy_init(struct txgbe *txgbe) mii_bus->parent = &pdev->dev; mii_bus->phy_mask = GENMASK(31, 1); mii_bus->priv = wx; - snprintf(mii_bus->id, MII_BUS_ID_SIZE, "txgbe-%x", - (pdev->bus->number << 8) | pdev->devfn); + snprintf(mii_bus->id, MII_BUS_ID_SIZE, "txgbe-%x", pci_dev_id(pdev)); ret = devm_mdiobus_register(&pdev->dev, mii_bus); if (ret) { @@ -755,8 +602,6 @@ int txgbe_init_phy(struct txgbe *txgbe) goto err_unregister_i2c; } - wx->msix_in_use = true; - return 0; err_unregister_i2c: @@ -767,7 +612,7 @@ err_unregister_clk: err_destroy_phylink: phylink_destroy(wx->phylink); err_destroy_xpcs: - xpcs_destroy(txgbe->xpcs); + xpcs_destroy_pcs(txgbe->pcs); err_unregister_swnode: software_node_unregister_node_group(txgbe->nodes.group); @@ -787,7 +632,6 @@ void txgbe_remove_phy(struct txgbe *txgbe) clkdev_drop(txgbe->clock); clk_unregister(txgbe->clk); phylink_destroy(txgbe->wx->phylink); - xpcs_destroy(txgbe->xpcs); + xpcs_destroy_pcs(txgbe->pcs); software_node_unregister_node_group(txgbe->nodes.group); - txgbe->wx->msix_in_use = false; } |