Please bear with us as we work to restore functionality to dotfiles.org.
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index ce34b53..c8a5eef 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1643,6 +1643,24 @@ config 8139_OLD_RX_RESET
experience problems, you can enable this option to restore the
old RX-reset behavior. If unsure, say N.
+config R6040
+ tristate "RDC R6040 Fast Ethernet Adapter support (EXPERIMENTAL)"
+ depends on NET_PCI && PCI && EXPERIMENTAL
+ select MII
+ help
+ This is a driver for the R6040 Fast Ethernet MACs found in the
+ the RDC R-321x System-on-chips.
+
+ To compile this driver as a module, choose M here: the module
+ will be called r6040. This is recommended.
+
+config R6040_NAPI
+ bool "NAPI support for R6040"
+ depends on R6040
+ default y
+ help
+ Enable the NAPI polling for the R6040 driver.
+
config SIS900
tristate "SiS 900/7016 PCI Fast Ethernet Adapter support"
depends on NET_PCI && PCI
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 22f78cb..5fb95ca 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -76,6 +76,7 @@ obj-$(CONFIG_VIA_RHINE) += via-rhine.o
obj-$(CONFIG_VIA_VELOCITY) += via-velocity.o
obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o
obj-$(CONFIG_RIONET) += rionet.o
+obj-$(CONFIG_R6040) += r6040.o
#
# end link order section
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
new file mode 100644
index 0000000..ada1b7f
--- /dev/null
+++ b/drivers/net/r6040.c
@@ -0,0 +1,970 @@
+/*
+ * RDC R6040 Fast Ethernet MAC support
+ *
+ * Copyright (C) 2004 Sten Wang
+ * Copyright (C) 2007 Daniel Gimpelevich
+ * Florian Fainelli
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Changelog :
+ * ---------- ------------------------------------------------
+ * 10-07-2007 Clean up the driver using checkpatch
+ * 08-24-2006 Support at linux 2.6.10 above
+ * 03-24-2006 Support NAPI
+ * 03-21-2006 change spin_lock_irqsave(lp->lock, flags)
+ * to spin_lock_irqsave(&lp->lock, flags)
+ * in set_multicast_list
+ * 03-15-2006 Modify the set_multicast_list ,due to when re-plug the ethernet,
+ * it will forget the previous setting
+ * 07-12-2005 modify the set_multicast_list
+ * 03-28-2005 modify some error mac register offset in
+ * function set_multicast_list
+ * 03-27-2005 Add the internal state machine reset
+ * If multicast address more than 4, enter PROM mode
+ * Changed rdc to r6040
+ * 12-22-2004 Sten Init MAC MBCR register=0x012A
+ * PHY_CAP = 0x01E1
+ *
+ * Need to Do LIst:
+ * 1. If multicast address more than 4, use the multicast address hash
+*/
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#include
+#include
+#include
+#include
+#include
+
+#define DRV_NAME "r6040"
+#define DRV_VERSION "0.14"
+#define DRV_RELDATE "29Oct2007"
+
+/* PHY CHIP Address */
+#define PHY1_ADDR 1 /* For MAC1 */
+#define PHY2_ADDR 2 /* For MAC2 */
+#define PHY_MODE 0x3100 /* PHY CHIP Register 0 */
+#define PHY_CAP 0x01E1 /* PHY CHIP Register 4 */
+
+/* Time in jiffies before concluding the transmitter is hung. */
+#define TX_TIMEOUT (6000 * HZ / 1000)
+#define TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */
+
+/* RDC MAC ID */
+#define RDC_MAC_ID 0x6040
+
+/* RDC MAC I/O Size */
+#define R6040_IO_SIZE 256
+
+/* RDC Chip PCI Command */
+#define R6040_PCI_CMD 0x0005 /* IO, Master */
+
+/* MAX RDC MAC */
+#define MAX_MAC 2
+
+/* MAC setting */
+#define TX_DCNT 0x80 /* TX descriptor count */
+#define RX_DCNT 0x80 /* RX descriptor count */
+#define MAX_BUF_SIZE 0x600
+#define ALLOC_DESC_SIZE ((TX_DCNT+RX_DCNT) * sizeof(struct r6040_descriptor) + 0x10)
+#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register */
+
+/* PHY settings */
+#define ICPLUS_PHY_ID 0x0243
+
+MODULE_AUTHOR("Sten Wang , Daniel Gimpelevich
, Florian Fainelli ");
+MODULE_LICENSE("GPL");
+#ifdef CONFIG_R6040_NAPI
+MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet Driver");
+#else
+MODULE_DESCRIPTION("RDC R6040 PCI FastEthernet Driver");
+#endif
+
+#define RX_INT 0x0001
+#define TX_INT 0x0010
+#define RX_NO_DESC_INT 0x0002
+#define R6040_INT_MASK (RX_INT | TX_INT)
+
+struct r6040_descriptor {
+ u16 status, len; /* 0-3 */
+ u32 buf; /* 4-7 */
+ u32 ndesc; /* 8-B */
+ u32 rev1; /* C-F */
+ char *vbufp; /* 10-13 */
+ struct r6040_descriptor *vndescp; /* 14-17 */
+ struct sk_buff *skb_ptr; /* 18-1B */
+ u32 rev2; /* 1C-1F */
+} __attribute__((aligned(32)));
+
+struct r6040_private {
+ spinlock_t lock; /* driver lock */
+ struct timer_list timer;
+ struct pci_dev *pdev;
+
+ struct r6040_descriptor *rx_insert_ptr;
+ struct r6040_descriptor *rx_remove_ptr;
+ struct r6040_descriptor *tx_insert_ptr;
+ struct r6040_descriptor *tx_remove_ptr;
+ u16 tx_free_desc, rx_free_desc, phy_addr, phy_mode;
+ u16 mcr0, mcr1;
+ dma_addr_t desc_dma;
+ char *desc_pool;
+ u16 switch_sig;
+ struct net_device *dev;
+ struct mii_if_info mii_if;
+ struct napi_struct napi;
+};
+
+struct r6040_chip_info {
+ const char *name;
+ u16 pci_flags;
+ int io_size;
+ int drv_flags;
+};
+
+#ifdef CONFIG_R6040_NAPI
+static int NAPI_status;
+#endif
+
+#ifdef CONFIG_R6040_NAPI
+static char version[] __devinitdata =
+ KERN_INFO DRV_NAME ": RDC R6040 NAPI net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n";
+#else
+static char version[] __devinitdata =
+ KERN_INFO DRV_NAME ": RDC R6040 net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n";
+#endif
+static struct r6040_chip_info r6040_chip_info[] __devinitdata =
+{
+ { "RDC R6040 Knight", R6040_PCI_CMD, R6040_IO_SIZE, 0}
+};
+static char *parent;
+
+static int NUM_MAC_TABLE = 2 ;
+module_param(parent, charp, 0444);
+MODULE_PARM_DESC(parent, "Parent network device name");
+
+static int phy_table[] = { 0x1, 0x2};
+
+static u8 adr_table[2][8] = {
+ {0x00, 0x00, 0x60, 0x00, 0x00, 0x01},
+ {0x00, 0x00, 0x60, 0x00, 0x00, 0x02}
+};
+
+module_param_array(adr_table, int, &NUM_MAC_TABLE, 0644);
+MODULE_PARM_DESC(adr_table, "MAC Address (assigned)");
+
+static int mdio_read(struct net_device *dev, int phy_id, int location);
+static void mdio_write(struct net_device *dev, int phy_id, int location, int value);
+static int r6040_open(struct net_device *dev);
+static int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static irqreturn_t r6040_interrupt(int irq, void *dev_id);
+static int r6040_close(struct net_device *dev);
+static void set_multicast_list(struct net_device *dev);
+static struct ethtool_ops netdev_ethtool_ops;
+static int r6040_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+static void r6040_down(struct net_device *dev);
+static void r6040_up(struct net_device *dev);
+static void r6040_tx_timeout(struct net_device *dev);
+static void r6040_timer(unsigned long);
+static void r6040_mac_address(struct net_device *dev);
+
+static int phy_mode_chk(struct net_device *dev);
+static int phy_read(int ioaddr, int phy_adr, int reg_idx);
+static void phy_write(int ioaddr, int phy_adr, int reg_idx, int dat);
+static void rx_buf_alloc(struct r6040_private *lp, struct net_device *dev);
+#ifdef CONFIG_R6040_NAPI
+static int r6040_poll(struct napi_struct *napi, int budget);
+#endif
+
+static int mdio_read(struct net_device *dev, int phy_id, int regnum)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ long ioaddr = dev->base_addr;
+ return (phy_read(ioaddr, lp->phy_addr, regnum)) ;
+}
+
+static void mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ long ioaddr = dev->base_addr;
+
+ phy_write(ioaddr, lp->phy_addr, regnum, value);
+}
+
+static int __devinit r6040_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct net_device *dev;
+ struct r6040_private *lp;
+ int ioaddr, io_size, err;
+ static int card_idx = -1;
+ int chip_id = (int)ent->driver_data;
+
+ printk(KERN_INFO "%s\n", version);
+
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
+
+ /* this should always be supported */
+ if (pci_set_dma_mask(pdev, 0xffffffff)) {
+ printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses not supported by the card\n");
+ return -ENODEV;
+ }
+
+ /* IO Size check */
+ io_size = r6040_chip_info[chip_id].io_size;
+ if (pci_resource_len(pdev, 0) < io_size)
+ return -ENODEV;
+
+ ioaddr = pci_resource_start(pdev, 0); /* IO map base address */
+ pci_set_master(pdev);
+
+ dev = alloc_etherdev(sizeof(struct r6040_private));
+ if (!dev)
+ return -ENOMEM;
+
+ if (pci_request_regions(pdev, DRV_NAME)) {
+ printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n");
+ err = -ENODEV;
+ goto err_out_disable;
+ }
+
+ /* Init system & device */
+ lp = dev->priv;
+ dev->base_addr = ioaddr;
+ dev->irq = pdev->irq;
+
+ spin_lock_init(&lp->lock);
+ pci_set_drvdata(pdev, dev);
+
+ /* Set MAC address */
+ card_idx++;
+
+ /* Check if the MAC address is 0xFFFFFFFFFFFF or 0 */
+ if (((inw(ioaddr + 0x68) == 0xFFFF) && (inw(ioaddr + 0x6A) == 0xFFFF) && (inw(ioaddr + 0x6C) ==
0xFFFF)) ||
+ ((inw(ioaddr + 0x68) == 0) && (inw(ioaddr + 0x6A) == 0) && (inw(ioaddr + 0x6C) == 0)))
+ memcpy(dev->dev_addr, (u8 *)&adr_table[card_idx][0], 6);
+ else {
+ u16 *adrp;
+ adrp = (u16 *) dev->dev_addr;
+ adrp[0] = inw(ioaddr + 0x68);
+ adrp[1] = inw(ioaddr + 0x6A);
+ adrp[2] = inw(ioaddr + 0x6C);
+ }
+
+ /* Link new device into r6040_root_dev */
+ lp->pdev = pdev;
+
+ /* Init RDC private data */
+ lp->mcr0 = 0x1002;
+ lp->phy_addr = phy_table[card_idx];
+ lp->switch_sig = 0;
+
+ /* The RDC-specific entries in the device structure. */
+ dev->open = &r6040_open;
+ dev->hard_start_xmit = &r6040_start_xmit;
+ dev->stop = &r6040_close;
+ dev->set_multicast_list = &set_multicast_list;
+ dev->do_ioctl = &r6040_ioctl;
+ dev->ethtool_ops = &netdev_ethtool_ops;
+ dev->tx_timeout = &r6040_tx_timeout;
+ dev->watchdog_timeo = TX_TIMEOUT;
+#ifdef CONFIG_R6040_NAPI
+ netif_napi_add(dev, &lp->napi, r6040_poll, 64);
+#endif
+ lp->mii_if.dev = dev;
+ lp->mii_if.mdio_read = mdio_read;
+ lp->mii_if.mdio_write = mdio_write;
+ lp->mii_if.phy_id = lp->phy_addr;
+ lp->mii_if.phy_id_mask = 0x1f;
+ lp->mii_if.reg_num_mask = 0x1f;
+
+ /* Register net device. After this dev->name assign */
+ err = register_netdev(dev);
+ if (err) {
+ printk(KERN_ERR DRV_NAME ": Failed to register net device\n");
+ goto err_out_res;
+ }
+
+ netif_carrier_on(dev);
+ return 0;
+
+err_out_res:
+ pci_release_regions(pdev);
+err_out_disable:
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ kfree(dev);
+
+ return err;
+}
+
+static void __devexit r6040_remove_one(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+
+ unregister_netdev(dev);
+ pci_release_regions(pdev);
+ kfree(dev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+static int
+r6040_open(struct net_device *dev)
+{
+ struct r6040_private *lp = dev->priv;
+ int i;
+
+ /* Request IRQ and Register interrupt handler */
+ i = request_irq(dev->irq, &r6040_interrupt, IRQF_SHARED, dev->name, dev);
+ if (i)
+ return i;
+ /* Set MAC address */
+ r6040_mac_address(dev);
+ /* Allocate Descriptor memory */
+ lp->desc_pool = pci_alloc_consistent(lp->pdev, ALLOC_DESC_SIZE, &lp->desc_dma);
+ if (!lp->desc_pool)
+ return -ENOMEM;
+
+ r6040_up(dev);
+
+ napi_enable(&lp->napi);
+ netif_start_queue(dev);
+
+ if (lp->switch_sig != ICPLUS_PHY_ID) {
+ /* set and active a timer process */
+ init_timer(&lp->timer);
+ lp->timer.expires = TIMER_WUT;
+ lp->timer.data = (unsigned long)dev;
+ lp->timer.function = &r6040_timer;
+ add_timer(&lp->timer);
+ }
+ return 0;
+}
+
+static void
+r6040_tx_timeout(struct net_device *dev)
+{
+ struct r6040_private *priv = netdev_priv(dev);
+ spin_lock(&priv->lock);
+ dev->stats.tx_errors++;
+ spin_unlock(&priv->lock);
+
+ netif_stop_queue(dev);
+}
+
+
+static int
+r6040_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ struct r6040_descriptor *descptr;
+ int ioaddr = dev->base_addr;
+ unsigned long flags;
+
+ if (!skb) /* NULL skb directly return */
+ return 0;
+ if (skb->len >= MAX_BUF_SIZE) { /* Packet too long, drop it */
+ dev_kfree_skb(skb);
+ return 0;
+ }
+
+ /* Critical Section */
+ spin_lock_irqsave(&lp->lock, flags);
+
+ /* TX resource check */
+ if (!lp->tx_free_desc) {
+ spin_unlock_irqrestore(&lp->lock, flags);
+ printk(KERN_ERR DRV_NAME ": NO TX DESC ");
+ return 1;
+ }
+
+ /* Statistic Counter */
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
+ /* Set TX descriptor & Transmit it */
+ lp->tx_free_desc--;
+ descptr = lp->tx_insert_ptr;
+ if (skb->len < 0x3c)
+ descptr->len = 0x3c;
+ else
+ descptr->len = skb->len;
+
+ descptr->skb_ptr = skb;
+ descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, skb->data, skb->len, PCI_DMA_TODEVICE));
+ descptr->status = 0x8000;
+ outw(0x01, ioaddr + 0x14);
+ lp->tx_insert_ptr = descptr->vndescp;
+
+ /* If no tx resource, stop */
+ if (!lp->tx_free_desc)
+ netif_stop_queue(dev);
+
+ dev->trans_start = jiffies;
+ spin_unlock_irqrestore(&lp->lock, flags);
+ return 0;
+}
+
+/* The RDC interrupt handler. */
+static irqreturn_t
+r6040_interrupt(int irq, void *dev_id)
+{
+ struct net_device *dev = dev_id;
+ struct r6040_private *lp = netdev_priv(dev);
+ int ioaddr, status;
+ unsigned long flags;
+#ifdef CONFIG_R6040_NAPI
+ int handled = 1;
+#else
+ int handled = 0;
+#endif
+
+ if (!dev) {
+ printk(KERN_ERR DRV_NAME ": INT() unknown device.\n");
+ return IRQ_RETVAL(handled);
+ }
+
+ spin_lock_irqsave(&lp->lock, flags);
+
+ /* Check MAC Interrupt status */
+ ioaddr = dev->base_addr;
+ outw(0x0, ioaddr + 0x40); /* Mask Off RDC MAC interrupt */
+ status = inw(ioaddr + 0x3c); /* Read INTR status and clear */
+
+#ifdef CONFIG_R6040_NAPI
+ if (netif_rx_schedule_prep(dev, &lp->napi)) {
+ NAPI_status = status;
+ __netif_rx_schedule(dev, &lp->napi);
+ }
+
+ spin_unlock_irqrestore(&lp->lock, flags);
+ return IRQ_RETVAL(handled);
+#else
+ /* TX interrupt request */
+ if (status & 0x10) {
+ handled = 1;
+ descptr = lp->tx_remove_ptr;
+ while (lp->tx_free_desc < TX_DCNT) {
+ if (descptr->status & 0x8000)
+ break; /* Not complte */
+ skb_ptr = descptr->skb_ptr;
+ pci_unmap_single(lp->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE);
+ dev_kfree_skb_irq(skb_ptr); /* Free buffer */
+ descptr->skb_ptr = 0;
+ descptr = descptr->vndescp; /* To next descriptor */
+ lp->tx_free_desc++;
+ }
+ lp->tx_remove_ptr = descptr;
+ if (lp->tx_free_desc)
+ netif_wake_queue(dev);
+ }
+
+ /* RX interrupt request */
+ if (status & 0x01) {
+ handled = 1;
+ descptr = lp->rx_remove_ptr;
+ while (lp->rx_free_desc) {
+ if (descptr->status & 0x8000)
+ break; /* No Rx packet */
+ skb_ptr = descptr->skb_ptr;
+ descptr->skb_ptr = 0;
+ skb_ptr->dev = dev;
+ skb_put(skb_ptr, descptr->len - 4);
+ pci_unmap_single(lp->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ skb_ptr->protocol = eth_type_trans(skb_ptr, dev);
+ netif_rx(skb_ptr); /* Send to upper layer */
+ lp->dev->stats.rx_packets++;
+ lp->dev->stats.rx_bytes += descptr->len;
+ descptr = descptr->vndescp; /* To next descriptor */
+ lp->rx_free_desc--;
+ }
+ lp->rx_remove_ptr = descptr;
+ }
+
+ /* Allocate new RX buffer */
+ if (lp->rx_free_desc < RX_DCNT)
+ rx_buf_alloc(lp, dev);
+
+ outw(R6040_INT_MASK, ioaddr + 0x40); /* TX/RX interrupt enable */
+ spin_unlock_irqrestore(&lp->lock, flags);
+#endif
+ return IRQ_RETVAL(handled);
+}
+
+
+/*
+ * Set or clear the multicast filter for this adaptor.
+ */
+static void
+set_multicast_list(struct net_device *dev)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ struct dev_mc_list *mcptr;
+ int ioaddr = dev->base_addr;
+ u16 *adrp, i;
+ unsigned long flags;
+
+ /* MAC Address */
+ adrp = (u16 *) dev->dev_addr;
+ outw(adrp[0], ioaddr + 0x68);
+ outw(adrp[1], ioaddr + 0x6A);
+ outw(adrp[2], ioaddr + 0x6C);
+
+
+ /* Promiscous Mode */
+ spin_lock_irqsave(&lp->lock, flags);
+ i = inw(ioaddr) & ~0x0120; /* Clear AMCP & PROM */
+ if (dev->flags & IFF_PROMISC) {
+ i |= 0x0020;
+ lp->mcr0 |= 0x0020;
+ }
+ if (dev->mc_count > 4)
+ i |= 0x0020; /* Too many multicast address */
+ outw(i, ioaddr);
+ spin_unlock_irqrestore(&lp->lock, flags);
+ /* Multicast Address */
+ if (dev->mc_count > 4) /* Wait to do: Hash Table for multicast */
+ return;
+ /* Multicast Address 1~4 case */
+ for (i = 0, mcptr = dev->mc_list; (i < dev->mc_count) && (i < 4); i++) {
+ adrp = (u16 *)mcptr->dmi_addr;
+ outw(adrp[0], ioaddr + 0x70 + 8*i);
+ outw(adrp[1], ioaddr + 0x72 + 8*i);
+ outw(adrp[2], ioaddr + 0x74 + 8*i);
+ mcptr = mcptr->next;
+ }
+ for (i = dev->mc_count; i < 4; i++) {
+ outw(0xffff, ioaddr + 0x68 + 8*i);
+ outw(0xffff, ioaddr + 0x6A + 8*i);
+ outw(0xffff, ioaddr + 0x6C + 8*i);
+ }
+}
+
+static void netdev_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+ struct r6040_private *rp = netdev_priv(dev);
+
+ strcpy(info->driver, DRV_NAME);
+ strcpy(info->version, DRV_VERSION);
+ strcpy(info->bus_info, pci_name(rp->pdev));
+}
+
+static struct ethtool_ops netdev_ethtool_ops = {
+ .get_drvinfo = netdev_get_drvinfo,
+};
+
+static int
+r6040_close(struct net_device *dev)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+
+ /* deleted timer */
+ del_timer_sync(&lp->timer);
+
+ spin_lock_irq(&lp->lock);
+
+ netif_stop_queue(dev);
+ napi_disable(&lp->napi);
+
+ r6040_down(dev);
+
+ spin_unlock_irq(&lp->lock);
+
+ return 0;
+}
+
+static int r6040_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ struct mii_ioctl_data *data = (struct mii_ioctl_data *) &rq->ifr_data;
+ int rc;
+
+ if (!netif_running(dev))
+ return -EINVAL;
+ spin_lock_irq(&lp->lock);
+ rc = generic_mii_ioctl(&lp->mii_if, data, cmd, NULL);
+ spin_unlock_irq(&lp->lock);
+ return rc;
+}
+
+/* Stop RDC MAC and Free the allocated resource */
+static void r6040_down(struct net_device *dev)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ int i;
+ int ioaddr = dev->base_addr;
+ u16 *adrp;
+
+ /* Stop MAC */
+ outw(0x0000, ioaddr + 0x40); /* Mask Off Interrupt */
+ outw(0x0001, ioaddr + 0x04); /* Reset RDC MAC */
+ i = 0;
+ do {} while ((i++ < 2048) && (inw(ioaddr + 0x04) & 0x1));
+
+ /* Restore MAC Address to MIDx */
+ adrp = (u16 *) dev->dev_addr;
+ outw(adrp[0], ioaddr + 0x68);
+ outw(adrp[1], ioaddr + 0x6A);
+ outw(adrp[2], ioaddr + 0x6C);
+ free_irq(dev->irq, dev);
+ /* Free RX buffer */
+ for (i = 0; i < RX_DCNT; i++) {
+ if (lp->rx_insert_ptr->skb_ptr) {
+ pci_unmap_single(lp->pdev, lp->rx_insert_ptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ dev_kfree_skb(lp->rx_insert_ptr->skb_ptr);
+ lp->rx_insert_ptr->skb_ptr = 0;
+ }
+ lp->rx_insert_ptr = lp->rx_insert_ptr->vndescp;
+ }
+
+ /* Free TX buffer */
+ for (i = 0; i < TX_DCNT; i++) {
+ if (lp->tx_insert_ptr->skb_ptr) {
+ pci_unmap_single(lp->pdev, lp->tx_insert_ptr->buf, MAX_BUF_SIZE, PCI_DMA_TODEVICE);
+ dev_kfree_skb(lp->tx_insert_ptr->skb_ptr);
+ lp->rx_insert_ptr->skb_ptr = 0;
+ }
+ lp->tx_insert_ptr = lp->tx_insert_ptr->vndescp;
+ }
+
+ /* Free Descriptor memory */
+ pci_free_consistent(lp->pdev, ALLOC_DESC_SIZE, lp->desc_pool, lp->desc_dma);
+}
+
+
+
+#ifdef CONFIG_R6040_NAPI
+static int r6040_poll(struct napi_struct *napi, int budget)
+{
+ struct r6040_private *priv = container_of(napi, struct r6040_private, napi);
+ struct r6040_descriptor *descptr;
+ struct sk_buff *skb_ptr;
+ int ioaddr = priv->dev->base_addr;
+ /* TX interrupt request */
+ if (NAPI_status & 0x10) {
+ descptr = priv->tx_remove_ptr;
+ while (priv->tx_free_desc < TX_DCNT) {
+ if (descptr->status & 0x8000)
+ break; /* Not complte */
+ skb_ptr = descptr->skb_ptr;
+ pci_unmap_single(priv->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE);
+ dev_kfree_skb_irq(skb_ptr); /* Free buffer */
+ descptr->skb_ptr = 0;
+ descptr = descptr->vndescp; /* To next descriptor */
+ priv->tx_free_desc++;
+ }
+ priv->tx_remove_ptr = descptr;
+ if (priv->tx_free_desc)
+ netif_wake_queue(priv->dev);
+ }
+ /* RX interrupt request */
+ if (NAPI_status & 0x01) {
+ descptr = priv->rx_remove_ptr;
+ while (priv->rx_free_desc) {
+ if (descptr->status & 0x8000)
+ break; /* No Rx packet */
+ skb_ptr = descptr->skb_ptr;
+ descptr->skb_ptr = 0;
+ skb_ptr->dev = priv->dev;
+ skb_put(skb_ptr, descptr->len - 4);
+ pci_unmap_single(priv->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ skb_ptr->protocol = eth_type_trans(skb_ptr, priv->dev);
+ netif_receive_skb(skb_ptr); /* Send to upper layer */
+ priv->dev->stats.rx_packets++;
+ priv->dev->stats.rx_bytes += descptr->len;
+ descptr = descptr->vndescp; /* To next descriptor */
+ priv->rx_free_desc--;
+ }
+ priv->rx_remove_ptr = descptr;
+ }
+ /* Allocate new RX buffer */
+ if (priv->rx_free_desc < RX_DCNT)
+ rx_buf_alloc(priv, priv->dev);
+ local_irq_disable();
+ netif_rx_complete(priv->dev, napi);
+ outw(R6040_INT_MASK, ioaddr + 0x40);
+ local_irq_enable();
+ return 0;
+}
+#endif
+
+/* Init RDC MAC */
+static void r6040_up(struct net_device *dev)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ struct r6040_descriptor *descptr;
+ int i;
+ int ioaddr = dev->base_addr;
+ u32 tmp_addr;
+ dma_addr_t desc_dma, start_dma;
+ /* Initialize */
+ lp->tx_free_desc = TX_DCNT;
+ lp->rx_free_desc = 0;
+ /* Init descriptor */
+ memset(lp->desc_pool, 0, ALLOC_DESC_SIZE); /* Let all descriptor = 0 */
+ lp->tx_insert_ptr = (struct r6040_descriptor *)lp->desc_pool;
+ lp->tx_remove_ptr = lp->tx_insert_ptr;
+ lp->rx_insert_ptr = (struct r6040_descriptor *)lp->tx_insert_ptr+TX_DCNT;
+ lp->rx_remove_ptr = lp->rx_insert_ptr;
+ /* Init TX descriptor */
+ descptr = lp->tx_insert_ptr;
+ desc_dma = lp->desc_dma;
+ start_dma = desc_dma;
+ for (i = 0; i < TX_DCNT; i++) {
+ descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor));
+ descptr->vndescp = (descptr + 1);
+ descptr = (descptr + 1);
+ desc_dma += sizeof(struct r6040_descriptor);
+ }
+ (descptr - 1)->ndesc = cpu_to_le32(start_dma);
+ (descptr - 1)->vndescp = lp->tx_insert_ptr;
+
+ /* Init RX descriptor */
+ start_dma = desc_dma;
+ descptr = lp->rx_insert_ptr;
+ for (i = 0; i < RX_DCNT; i++) {
+ descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor));
+ descptr->vndescp = (descptr + 1);
+ descptr = (descptr + 1);
+ desc_dma += sizeof(struct r6040_descriptor);
+ }
+ (descptr - 1)->ndesc = cpu_to_le32(start_dma);
+ (descptr - 1)->vndescp = lp->rx_insert_ptr;
+
+ /* Allocate buffer for RX descriptor */
+ rx_buf_alloc(lp, dev);
+
+ /* TX and RX descriptor start Register */
+ tmp_addr = cpu_to_le32((u32)lp->tx_insert_ptr);
+ tmp_addr = virt_to_bus((volatile void *)tmp_addr);
+ outw((u16) tmp_addr, ioaddr+0x2c);
+ outw(tmp_addr >> 16, ioaddr+0x30);
+ tmp_addr = cpu_to_le32((u32)lp->rx_insert_ptr);
+ tmp_addr = virt_to_bus((volatile void *)tmp_addr);
+ outw((u16) tmp_addr, ioaddr+0x34);
+ outw(tmp_addr >> 16, ioaddr+0x38);
+
+ /* Buffer Size Register */
+ outw(MAX_BUF_SIZE, ioaddr+0x18);
+ lp->switch_sig = phy_read(ioaddr, 0, 2);
+
+ if (lp->switch_sig == ICPLUS_PHY_ID) {
+ phy_write(ioaddr, 29, 31, 0x175C); /* Enable registers */
+ lp->phy_mode = 0x8000;
+ } else {
+ /* PHY Mode Check */
+ phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP);
+ phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE);
+
+ if (PHY_MODE == 0x3100)
+ lp->phy_mode = phy_mode_chk(dev);
+ else
+ lp->phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0;
+ }
+ /* MAC Bus Control Register */
+ outw(MBCR_DEFAULT, ioaddr+0x8);
+
+ /* MAC TX/RX Enable */
+ lp->mcr0 |= lp->phy_mode;
+ outw(lp->mcr0, ioaddr);
+
+ /* set interrupt waiting time and packet numbers */
+ outw(0x0802, ioaddr + 0x0C);
+ outw(0x0802, ioaddr + 0x10);
+
+ /* upgrade performance (by RDC guys) */
+ phy_write(ioaddr, 30, 17, (phy_read(ioaddr, 30, 17) | 0x4000)); /* bit 14=1 */
+ phy_write(ioaddr, 30, 17, ~((~phy_read(ioaddr, 30, 17)) | 0x2000)); /* bit 13=0 */
+ phy_write(ioaddr, 0, 19, 0x0000);
+ phy_write(ioaddr, 0, 30, 0x01F0);
+
+ /* Interrupt Mask Register */
+ outw(R6040_INT_MASK, ioaddr + 0x40);
+}
+
+/*
+ A periodic timer routine
+ Polling PHY Chip Link Status
+*/
+static void r6040_timer(unsigned long data)
+{
+ struct net_device *dev = (struct net_device *)data;
+ struct r6040_private *lp = netdev_priv(dev->priv);
+ u16 ioaddr = dev->base_addr, phy_mode;
+
+ /* Polling PHY Chip Status */
+ if (PHY_MODE == 0x3100)
+ phy_mode = phy_mode_chk(dev);
+ else
+ phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0;
+
+ if (phy_mode != lp->phy_mode) {
+ lp->phy_mode = phy_mode;
+ lp->mcr0 = (lp->mcr0 & 0x7fff) | phy_mode;
+ outw(lp->mcr0, ioaddr);
+ printk(KERN_INFO "Link Change %x \n", inw(ioaddr));
+ }
+
+ /* Timer active again */
+ lp->timer.expires = TIMER_WUT;
+ add_timer(&lp->timer);
+}
+
+/* Allocate skb buffer for rx descriptor */
+static void rx_buf_alloc(struct r6040_private *lp, struct net_device *dev)
+{
+ struct r6040_descriptor *descptr;
+ int ioaddr = dev->base_addr ;
+
+ descptr = lp->rx_insert_ptr;
+ while (lp->rx_free_desc < RX_DCNT) {
+ descptr->skb_ptr = dev_alloc_skb(MAX_BUF_SIZE);
+
+ if (!descptr->skb_ptr)
+ break;
+ descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, descptr->skb_ptr->tail, MAX_BUF_SIZE,
PCI_DMA_FROMDEVICE));
+ descptr->status = 0x8000;
+ descptr = descptr->vndescp;
+ lp->rx_free_desc++;
+ outw(lp->mcr0 | 0x0002, ioaddr); /* Trigger Rx DMA */
+ }
+ lp->rx_insert_ptr = descptr;
+}
+
+/* Status of PHY CHIP */
+static int phy_mode_chk(struct net_device *dev)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ int ioaddr = dev->base_addr, phy_dat;
+
+ /* PHY Link Status Check */
+ phy_dat = phy_read(ioaddr, lp->phy_addr, 1);
+ if (!(phy_dat & 0x4))
+ return 0x8000; /* Link Failed, full duplex */
+
+ /* PHY Chip Auto-Negotiation Status */
+ phy_dat = phy_read(ioaddr, lp->phy_addr, 1);
+ if (phy_dat & 0x0020) {
+ /* Auto Negotiation Mode */
+ phy_dat = phy_read(ioaddr, lp->phy_addr, 5);
+ phy_dat &= phy_read(ioaddr, lp->phy_addr, 4);
+ if (phy_dat & 0x140)
+ phy_dat = 0x8000;
+ else
+ phy_dat = 0;
+ } else {
+ /* Force Mode */
+ phy_dat = phy_read(ioaddr, lp->phy_addr, 0);
+ if (phy_dat & 0x100)
+ phy_dat = 0x8000;
+ else
+ phy_dat = 0x0000;
+ }
+
+ return phy_dat;
+};
+
+/* Read a word data from PHY Chip */
+static int phy_read(int ioaddr, int phy_addr, int reg_idx)
+{
+ int i = 0;
+
+ outw(0x2000 + reg_idx + (phy_addr << 8), ioaddr + 0x20);
+ do {} while ((i++ < 2048) && (inw(ioaddr + 0x20) & 0x2000));
+
+ return inw(ioaddr + 0x24);
+}
+
+/* Write a word data from PHY Chip */
+static void phy_write(int ioaddr, int phy_addr, int reg_idx, int dat)
+{
+ int i = 0;
+
+ outw(dat, ioaddr + 0x28);
+ outw(0x4000 + reg_idx + (phy_addr << 8), ioaddr + 0x20);
+ do {} while ((i++ < 2048) && (inw(ioaddr + 0x20) & 0x4000));
+}
+
+/* Read/set MAC address routines */
+static void r6040_mac_address(struct net_device *dev)
+{
+ int ioaddr = dev->base_addr ;
+ u16 *adrp ;
+
+ /* MAC operation register */
+ outw(0x01, ioaddr + 0x04); /* Reset MAC */
+ outw(2, ioaddr + 0xAC); /* Reset internal state machine */
+ outw(0, ioaddr + 0xAC);
+ udelay(5000);
+
+ /* Restore MAC Address */
+ adrp = (u16 *) dev->dev_addr;
+ outw(adrp[0], ioaddr + 0x68);
+ outw(adrp[1], ioaddr + 0x6A);
+ outw(adrp[2], ioaddr + 0x6C);
+}
+
+static struct pci_device_id r6040_pci_tbl[] = {
+ {PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6040, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {0x1106, 0x3065, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {0,}
+};
+MODULE_DEVICE_TABLE(pci, r6040_pci_tbl);
+
+static struct pci_driver r6040_driver = {
+ .name = "r6040",
+ .id_table = r6040_pci_tbl,
+ .probe = r6040_init_one,
+ .remove = __devexit_p(r6040_remove_one),
+};
+
+
+static int __init r6040_init (void)
+{
+ return pci_register_driver (&r6040_driver);
+}
+
+
+static void __exit r6040_cleanup (void)
+{
+ pci_unregister_driver (&r6040_driver);
+}
+
+module_init(r6040_init);
+module_exit(r6040_cleanup);
-