#include <linux/if.h>
#include <linux/uaccess.h>
#include <linux/proc_fs.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
#include <linux/inetdevice.h>
+#include <linux/platform_device.h>
#include <linux/reboot.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include "via-velocity.h"
+enum velocity_bus_type {
+ BUS_PCI,
+ BUS_PLATFORM,
+};
static int velocity_nics;
static int msglevel = MSG_LEVEL_INFO;
+static void velocity_set_power_state(struct velocity_info *vptr, char state)
+{
+ void *addr = vptr->mac_regs;
+
+ if (vptr->pdev)
+ pci_set_power_state(vptr->pdev, state);
+ else
+ writeb(state, addr + 0x154);
+}
+
/**
* mac_get_cam_mask - Read a CAM mask
* @regs: register block for this velocity
* Describe the PCI device identifiers that we support in this
* device driver. Used for hotplug autoloading.
*/
-static DEFINE_PCI_DEVICE_TABLE(velocity_id_table) = {
+
+static DEFINE_PCI_DEVICE_TABLE(velocity_pci_id_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_612X) },
{ }
};
-MODULE_DEVICE_TABLE(pci, velocity_id_table);
+MODULE_DEVICE_TABLE(pci, velocity_pci_id_table);
+
+/**
+ * Describe the OF device identifiers that we support in this
+ * device driver. Used for devicetree nodes.
+ */
+static struct of_device_id velocity_of_ids[] = {
+ { .compatible = "via,velocity-vt6110", .data = &chip_info_table[0] },
+ { /* Sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, velocity_of_ids);
/**
* get_chip_name - identifier to name
return chip_info_table[i].name;
}
-/**
- * velocity_remove1 - device unplug
- * @pdev: PCI device being removed
- *
- * Device unload callback. Called on an unplug or on module
- * unload for each active device that is present. Disconnects
- * the device from the network layer and frees all the resources
- */
-static void velocity_remove1(struct pci_dev *pdev)
-{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct velocity_info *vptr = netdev_priv(dev);
-
- unregister_netdev(dev);
- iounmap(vptr->mac_regs);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
- free_netdev(dev);
-
- velocity_nics--;
-}
-
/**
* velocity_set_int_opt - parser for integer options
* @opt: pointer to option value
u16 BMCR;
switch (PHYID_GET_PHY_ID(vptr->phy_id)) {
+ case PHYID_ICPLUS_IP101A:
+ MII_REG_BITS_ON((ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP),
+ MII_ADVERTISE, vptr->mac_regs);
+ if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
+ MII_REG_BITS_ON(TCSR_ECHODIS, MII_SREVISION,
+ vptr->mac_regs);
+ else
+ MII_REG_BITS_OFF(TCSR_ECHODIS, MII_SREVISION,
+ vptr->mac_regs);
+ MII_REG_BITS_ON(PLED_LALBE, MII_TPISTATUS, vptr->mac_regs);
+ break;
case PHYID_CICADA_CS8201:
/*
* Reset to hardware default
enum velocity_init_type type)
{
struct mac_regs __iomem *regs = vptr->mac_regs;
+ struct net_device *netdev = vptr->netdev;
int i, mii_status;
mac_wol_reset(regs);
case VELOCITY_INIT_RESET:
case VELOCITY_INIT_WOL:
- netif_stop_queue(vptr->netdev);
+ netif_stop_queue(netdev);
/*
* Reset RX to prevent RX pointer not on the 4X location
if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) {
velocity_print_link_status(vptr);
if (!(vptr->mii_status & VELOCITY_LINK_FAIL))
- netif_wake_queue(vptr->netdev);
+ netif_wake_queue(netdev);
}
enable_flow_control_ability(vptr);
velocity_soft_reset(vptr);
mdelay(5);
- mac_eeprom_reload(regs);
- for (i = 0; i < 6; i++)
- writeb(vptr->netdev->dev_addr[i], &(regs->PAR[i]));
+ if (!vptr->no_eeprom) {
+ mac_eeprom_reload(regs);
+ for (i = 0; i < 6; i++)
+ writeb(netdev->dev_addr[i], regs->PAR + i);
+ }
/*
* clear Pre_ACPI bit.
/*
* Set packet filter: Receive directed and broadcast address
*/
- velocity_set_multi(vptr->netdev);
+ velocity_set_multi(netdev);
/*
* Enable MII auto-polling
writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT), ®s->CR0Set);
mii_status = velocity_get_opt_media_mode(vptr);
- netif_stop_queue(vptr->netdev);
+ netif_stop_queue(netdev);
mii_init(vptr, mii_status);
if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) {
velocity_print_link_status(vptr);
if (!(vptr->mii_status & VELOCITY_LINK_FAIL))
- netif_wake_queue(vptr->netdev);
+ netif_wake_queue(netdev);
}
enable_flow_control_ability(vptr);
goto out;
/* Ensure chip is running */
- pci_set_power_state(vptr->pdev, PCI_D0);
+ velocity_set_power_state(vptr, PCI_D0);
velocity_init_registers(vptr, VELOCITY_INIT_COLD);
- ret = request_irq(vptr->pdev->irq, velocity_intr, IRQF_SHARED,
+ ret = request_irq(dev->irq, velocity_intr, IRQF_SHARED,
dev->name, dev);
if (ret < 0) {
/* Power down the chip */
- pci_set_power_state(vptr->pdev, PCI_D3hot);
+ velocity_set_power_state(vptr, PCI_D3hot);
velocity_free_rings(vptr);
goto out;
}
tmp_vptr->netdev = dev;
tmp_vptr->pdev = vptr->pdev;
+ tmp_vptr->dev = vptr->dev;
tmp_vptr->options = vptr->options;
tmp_vptr->tx.numq = vptr->tx.numq;
saving then we need to bring the device back up to talk to it */
if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D0);
+ velocity_set_power_state(vptr, PCI_D0);
switch (cmd) {
case SIOCGMIIPHY: /* Get address of MII PHY in use. */
ret = -EOPNOTSUPP;
}
if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D3hot);
+ velocity_set_power_state(vptr, PCI_D3hot);
return ret;
if (vptr->flags & VELOCITY_FLAGS_WOL_ENABLED)
velocity_get_ip(vptr);
- free_irq(vptr->pdev->irq, dev);
+ free_irq(dev->irq, dev);
velocity_free_rings(vptr);
* Set up the initial velocity_info struct for the device that has been
* discovered.
*/
-static void velocity_init_info(struct pci_dev *pdev, struct velocity_info *vptr,
- const struct velocity_info_tbl *info)
+static void velocity_init_info(struct velocity_info *vptr,
+ const struct velocity_info_tbl *info)
{
- memset(vptr, 0, sizeof(struct velocity_info));
-
- vptr->dev = &pdev->dev;
- vptr->pdev = pdev;
vptr->chip_id = info->chip_id;
vptr->tx.numq = info->txqueue;
vptr->multicast_limit = MCAM_SIZE;
* Retrieve the PCI configuration space data that interests us from
* the kernel PCI layer
*/
-static int velocity_get_pci_info(struct velocity_info *vptr,
- struct pci_dev *pdev)
+static int velocity_get_pci_info(struct velocity_info *vptr)
{
- vptr->rev_id = pdev->revision;
+ struct pci_dev *pdev = vptr->pdev;
pci_set_master(pdev);
dev_err(&pdev->dev, "region #1 is too small.\n");
return -EINVAL;
}
- vptr->pdev = pdev;
+
+ return 0;
+}
+
+/**
+ * velocity_get_platform_info - retrieve platform info for device
+ * @vptr: velocity device
+ * @pdev: platform device it matches
+ *
+ * Retrieve the Platform configuration data that interests us
+ */
+static int velocity_get_platform_info(struct velocity_info *vptr)
+{
+ struct resource res;
+ int ret;
+
+ if (of_get_property(vptr->dev->of_node, "no-eeprom", NULL))
+ vptr->no_eeprom = 1;
+
+ ret = of_address_to_resource(vptr->dev->of_node, 0, &res);
+ if (ret) {
+ dev_err(vptr->dev, "unable to find memory address\n");
+ return ret;
+ }
+
+ vptr->memaddr = res.start;
+
+ if (resource_size(&res) < VELOCITY_IO_SIZE) {
+ dev_err(vptr->dev, "memory region is too small.\n");
+ return -EINVAL;
+ }
return 0;
}
}
/**
- * velocity_found1 - set up discovered velocity card
+ * velocity_probe - set up discovered velocity device
* @pdev: PCI device
* @ent: PCI device table entry that matched
+ * @bustype: bus that device is connected to
*
* Configure a discovered adapter from scratch. Return a negative
* errno error code on failure paths.
*/
-static int velocity_found1(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static int velocity_probe(struct device *dev, int irq,
+ const struct velocity_info_tbl *info,
+ enum velocity_bus_type bustype)
{
static int first = 1;
- struct net_device *dev;
+ struct net_device *netdev;
int i;
const char *drv_string;
- const struct velocity_info_tbl *info = &chip_info_table[ent->driver_data];
struct velocity_info *vptr;
struct mac_regs __iomem *regs;
int ret = -ENOMEM;
* can support more than MAX_UNITS.
*/
if (velocity_nics >= MAX_UNITS) {
- dev_notice(&pdev->dev, "already found %d NICs.\n",
- velocity_nics);
+ dev_notice(dev, "already found %d NICs.\n", velocity_nics);
return -ENODEV;
}
- dev = alloc_etherdev(sizeof(struct velocity_info));
- if (!dev)
+ netdev = alloc_etherdev(sizeof(struct velocity_info));
+ if (!netdev)
goto out;
/* Chain it all together */
- SET_NETDEV_DEV(dev, &pdev->dev);
- vptr = netdev_priv(dev);
+ SET_NETDEV_DEV(netdev, dev);
+ vptr = netdev_priv(netdev);
if (first) {
printk(KERN_INFO "%s Ver. %s\n",
first = 0;
}
- velocity_init_info(pdev, vptr, info);
+ netdev->irq = irq;
+ vptr->netdev = netdev;
+ vptr->dev = dev;
- vptr->netdev = dev;
+ velocity_init_info(vptr, info);
- ret = pci_enable_device(pdev);
- if (ret < 0)
- goto err_free_dev;
+ if (bustype == BUS_PCI) {
+ vptr->pdev = to_pci_dev(dev);
- ret = velocity_get_pci_info(vptr, pdev);
- if (ret < 0) {
- /* error message already printed */
- goto err_disable;
- }
-
- ret = pci_request_regions(pdev, VELOCITY_NAME);
- if (ret < 0) {
- dev_err(&pdev->dev, "No PCI resources.\n");
- goto err_disable;
+ ret = velocity_get_pci_info(vptr);
+ if (ret < 0)
+ goto err_free_dev;
+ } else {
+ vptr->pdev = NULL;
+ ret = velocity_get_platform_info(vptr);
+ if (ret < 0)
+ goto err_free_dev;
}
regs = ioremap(vptr->memaddr, VELOCITY_IO_SIZE);
if (regs == NULL) {
ret = -EIO;
- goto err_release_res;
+ goto err_free_dev;
}
vptr->mac_regs = regs;
+ vptr->rev_id = readb(®s->rev_id);
mac_wol_reset(regs);
for (i = 0; i < 6; i++)
- dev->dev_addr[i] = readb(®s->PAR[i]);
+ netdev->dev_addr[i] = readb(®s->PAR[i]);
- drv_string = dev_driver_string(&pdev->dev);
+ drv_string = dev_driver_string(dev);
velocity_get_options(&vptr->options, velocity_nics, drv_string);
vptr->phy_id = MII_GET_PHY_ID(vptr->mac_regs);
- dev->netdev_ops = &velocity_netdev_ops;
- dev->ethtool_ops = &velocity_ethtool_ops;
- netif_napi_add(dev, &vptr->napi, velocity_poll, VELOCITY_NAPI_WEIGHT);
+ netdev->netdev_ops = &velocity_netdev_ops;
+ netdev->ethtool_ops = &velocity_ethtool_ops;
+ netif_napi_add(netdev, &vptr->napi, velocity_poll,
+ VELOCITY_NAPI_WEIGHT);
- dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
+ netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
NETIF_F_HW_VLAN_CTAG_TX;
- dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_FILTER |
- NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_IP_CSUM;
+ netdev->features |= NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_IP_CSUM;
- ret = register_netdev(dev);
+ ret = register_netdev(netdev);
if (ret < 0)
goto err_iounmap;
- if (!velocity_get_link(dev)) {
- netif_carrier_off(dev);
+ if (!velocity_get_link(netdev)) {
+ netif_carrier_off(netdev);
vptr->mii_status |= VELOCITY_LINK_FAIL;
}
velocity_print_info(vptr);
- pci_set_drvdata(pdev, dev);
+ dev_set_drvdata(vptr->dev, netdev);
/* and leave the chip powered down */
- pci_set_power_state(pdev, PCI_D3hot);
+ velocity_set_power_state(vptr, PCI_D3hot);
velocity_nics++;
out:
return ret;
err_iounmap:
iounmap(regs);
-err_release_res:
- pci_release_regions(pdev);
-err_disable:
- pci_disable_device(pdev);
err_free_dev:
- free_netdev(dev);
+ free_netdev(netdev);
goto out;
}
-#ifdef CONFIG_PM
+/**
+ * velocity_remove - device unplug
+ * @dev: device being removed
+ *
+ * Device unload callback. Called on an unplug or on module
+ * unload for each active device that is present. Disconnects
+ * the device from the network layer and frees all the resources
+ */
+static int velocity_remove(struct device *dev)
+{
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct velocity_info *vptr = netdev_priv(netdev);
+
+ unregister_netdev(netdev);
+ iounmap(vptr->mac_regs);
+ free_netdev(netdev);
+ velocity_nics--;
+
+ return 0;
+}
+
+static int velocity_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ const struct velocity_info_tbl *info =
+ &chip_info_table[ent->driver_data];
+ int ret;
+
+ ret = pci_enable_device(pdev);
+ if (ret < 0)
+ return ret;
+
+ ret = pci_request_regions(pdev, VELOCITY_NAME);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "No PCI resources.\n");
+ goto fail1;
+ }
+
+ ret = velocity_probe(&pdev->dev, pdev->irq, info, BUS_PCI);
+ if (ret == 0)
+ return 0;
+
+ pci_release_regions(pdev);
+fail1:
+ pci_disable_device(pdev);
+ return ret;
+}
+
+static void velocity_pci_remove(struct pci_dev *pdev)
+{
+ velocity_remove(&pdev->dev);
+
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+static int velocity_platform_probe(struct platform_device *pdev)
+{
+ const struct of_device_id *of_id;
+ const struct velocity_info_tbl *info;
+ int irq;
+
+ of_id = of_match_device(velocity_of_ids, &pdev->dev);
+ if (!of_id)
+ return -EINVAL;
+ info = of_id->data;
+
+ irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+ if (!irq)
+ return -EINVAL;
+
+ return velocity_probe(&pdev->dev, irq, info, BUS_PLATFORM);
+}
+
+static int velocity_platform_remove(struct platform_device *pdev)
+{
+ velocity_remove(&pdev->dev);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
/**
* wol_calc_crc - WOL CRC
* @pattern: data pattern
}
-static int velocity_suspend(struct pci_dev *pdev, pm_message_t state)
+static int velocity_suspend(struct device *dev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct velocity_info *vptr = netdev_priv(dev);
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct velocity_info *vptr = netdev_priv(netdev);
unsigned long flags;
if (!netif_running(vptr->netdev))
netif_device_detach(vptr->netdev);
spin_lock_irqsave(&vptr->lock, flags);
- pci_save_state(pdev);
+ if (vptr->pdev)
+ pci_save_state(vptr->pdev);
if (vptr->flags & VELOCITY_FLAGS_WOL_ENABLED) {
velocity_get_ip(vptr);
velocity_save_context(vptr, &vptr->context);
velocity_shutdown(vptr);
velocity_set_wol(vptr);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_set_power_state(pdev, PCI_D3hot);
+ if (vptr->pdev)
+ pci_enable_wake(vptr->pdev, PCI_D3hot, 1);
+ velocity_set_power_state(vptr, PCI_D3hot);
} else {
velocity_save_context(vptr, &vptr->context);
velocity_shutdown(vptr);
- pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ if (vptr->pdev)
+ pci_disable_device(vptr->pdev);
+ velocity_set_power_state(vptr, PCI_D3hot);
}
spin_unlock_irqrestore(&vptr->lock, flags);
writeb(*((u8 *) (context->mac_reg + i)), ptr + i);
}
-static int velocity_resume(struct pci_dev *pdev)
+static int velocity_resume(struct device *dev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct velocity_info *vptr = netdev_priv(dev);
+ struct net_device *netdev = dev_get_drvdata(dev);
+ struct velocity_info *vptr = netdev_priv(netdev);
unsigned long flags;
int i;
if (!netif_running(vptr->netdev))
return 0;
- pci_set_power_state(pdev, PCI_D0);
- pci_enable_wake(pdev, 0, 0);
- pci_restore_state(pdev);
+ velocity_set_power_state(vptr, PCI_D0);
+
+ if (vptr->pdev) {
+ pci_enable_wake(vptr->pdev, 0, 0);
+ pci_restore_state(vptr->pdev);
+ }
mac_wol_reset(vptr->mac_regs);
return 0;
}
-#endif
+#endif /* CONFIG_PM_SLEEP */
+
+static SIMPLE_DEV_PM_OPS(velocity_pm_ops, velocity_suspend, velocity_resume);
/*
* Definition for our device driver. The PCI layer interface
* uses this to handle all our card discover and plugging
*/
-static struct pci_driver velocity_driver = {
+static struct pci_driver velocity_pci_driver = {
.name = VELOCITY_NAME,
- .id_table = velocity_id_table,
- .probe = velocity_found1,
- .remove = velocity_remove1,
-#ifdef CONFIG_PM
- .suspend = velocity_suspend,
- .resume = velocity_resume,
-#endif
+ .id_table = velocity_pci_id_table,
+ .probe = velocity_pci_probe,
+ .remove = velocity_pci_remove,
+ .driver = {
+ .pm = &velocity_pm_ops,
+ },
};
+static struct platform_driver velocity_platform_driver = {
+ .probe = velocity_platform_probe,
+ .remove = velocity_platform_remove,
+ .driver = {
+ .name = "via-velocity",
+ .owner = THIS_MODULE,
+ .of_match_table = velocity_of_ids,
+ .pm = &velocity_pm_ops,
+ },
+};
/**
* velocity_ethtool_up - pre hook for ethtool
{
struct velocity_info *vptr = netdev_priv(dev);
if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D0);
+ velocity_set_power_state(vptr, PCI_D0);
return 0;
}
{
struct velocity_info *vptr = netdev_priv(dev);
if (!netif_running(dev))
- pci_set_power_state(vptr->pdev, PCI_D3hot);
+ velocity_set_power_state(vptr, PCI_D3hot);
}
static int velocity_get_settings(struct net_device *dev,
static void velocity_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct velocity_info *vptr = netdev_priv(dev);
+
strlcpy(info->driver, VELOCITY_NAME, sizeof(info->driver));
strlcpy(info->version, VELOCITY_VERSION, sizeof(info->version));
- strlcpy(info->bus_info, pci_name(vptr->pdev), sizeof(info->bus_info));
+ if (vptr->pdev)
+ strlcpy(info->bus_info, pci_name(vptr->pdev),
+ sizeof(info->bus_info));
+ else
+ strlcpy(info->bus_info, "platform", sizeof(info->bus_info));
}
static void velocity_ethtool_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
*/
static int __init velocity_init_module(void)
{
- int ret;
+ int ret_pci, ret_platform;
velocity_register_notifier();
- ret = pci_register_driver(&velocity_driver);
- if (ret < 0)
+
+ ret_pci = pci_register_driver(&velocity_pci_driver);
+ ret_platform = platform_driver_register(&velocity_platform_driver);
+
+ /* if both_registers failed, remove the notifier */
+ if ((ret_pci < 0) && (ret_platform < 0)) {
velocity_unregister_notifier();
- return ret;
+ return ret_pci;
+ }
+
+ return 0;
}
/**
static void __exit velocity_cleanup_module(void)
{
velocity_unregister_notifier();
- pci_unregister_driver(&velocity_driver);
+
+ pci_unregister_driver(&velocity_pci_driver);
+ platform_driver_unregister(&velocity_platform_driver);
}
module_init(velocity_init_module);
projects / deliverable / linux.git / commitdiff
