Please bear with us as we work to restore functionality to dotfiles.org.
path
/patch-potato-2.6.18
diff -urN linux-2.6.18.orig/drivers/ide/pci/it821x.c linux-2.6.18/drivers/ide/pci/it821x.c
--- linux-2.6.18.orig/drivers/ide/pci/it821x.c 2006-09-20 11:42:06.000000000 +0800
+++ linux-2.6.18/drivers/ide/pci/it821x.c 2007-07-27 17:30:10.000000000 +0800
@@ -233,7 +233,10 @@
static u8 it821x_ratemask (ide_drive_t *drive)
{
- u8 mode = 4;
+ /* DMP patched */
+ /* A dirty hack for the BadCRC issue on Vortex86SX */
+ /* Force all udma mode to be downgraded to mdma2 */
+ u8 mode = 0;
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
@@ -310,7 +313,7 @@
it821x_clock_strategy(drive);
/* FIXME: do we need to program this ? */
- /* it821x_program(drive, itdev->mwdma[unit]); */
+ it821x_program(drive, itdev->mwdma[unit]);
}
/**
@@ -541,8 +544,21 @@
static unsigned int __devinit ata66_it821x(ide_hwif_t *hwif)
{
- /* The reference driver also only does disk side */
- return 1;
+ /* DMP pacthed */
+ struct pci_dev *dev = hwif->pci_dev;
+ unsigned int ata66 = 0;
+ u8 cable_80_pin[2] = { 0, 0 };
+ u16 regw = 0;
+
+ pci_read_config_word(dev, 0x40, ®w);
+ /* printk(KERN_INFO "DMP: %04X\n", regw); */
+
+ if (!(regw & 0x0008)) cable_80_pin[1] = 1;
+ if (!(regw & 0x0004)) cable_80_pin[0] = 1;
+
+ ata66 = (hwif->channel) ? cable_80_pin[1] : cable_80_pin[0];
+
+ return ata66;
}
/**
@@ -791,6 +807,7 @@
static struct pci_device_id it821x_pci_tbl[] = {
{ PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8212, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { 0x17F3, 0x1010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ 0, },
};
diff -urN linux-2.6.18.orig/drivers/net/Kconfig linux-2.6.18/drivers/net/Kconfig
--- linux-2.6.18.orig/drivers/net/Kconfig 2006-09-20 11:42:06.000000000 +0800
+++ linux-2.6.18/drivers/net/Kconfig 2007-07-25 17:36:05.000000000 +0800
@@ -1567,6 +1567,25 @@
. The module
will be called es3210.
+config R6040
+ tristate "RDC R6040 PCI Fast Ethernet support"
+ depends on NET_PCI && PCI
+ select CRC32
+ select MII
+ help
+ To compile this driver as a module, choose M here: the module
+ will be called r6040. This is recommended.
+
+config R6040_NAPI
+ bool "Use Rx Polling (NAPI)"
+ depends on R6040
+ help
+ NAPI is a new driver API designed to reduce CPU and interrupt load
+ when the driver is receiving lots of packets from the card.
+
+ See for more
+ information.
+
config 8139CP
tristate "RealTek RTL-8139 C+ PCI Fast Ethernet Adapter support (EXPERIMENTAL)"
depends on NET_PCI && PCI && EXPERIMENTAL
diff -urN linux-2.6.18.orig/drivers/net/Makefile linux-2.6.18/drivers/net/Makefile
--- linux-2.6.18.orig/drivers/net/Makefile 2006-09-20 11:42:06.000000000 +0800
+++ linux-2.6.18/drivers/net/Makefile 2007-07-25 17:35:26.000000000 +0800
@@ -164,6 +164,7 @@
obj-$(CONFIG_LASI_82596) += lasi_82596.o
obj-$(CONFIG_MVME16x_NET) += 82596.o
obj-$(CONFIG_BVME6000_NET) += 82596.o
+obj-$(CONFIG_R6040) += r6040.o
# This is also a 82596 and should probably be merged
obj-$(CONFIG_LP486E) += lp486e.o
diff -urN linux-2.6.18.orig/drivers/net/r6040.c linux-2.6.18/drivers/net/r6040.c
--- linux-2.6.18.orig/drivers/net/r6040.c 1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6.18/drivers/net/r6040.c 2007-07-25 17:35:26.000000000 +0800
@@ -0,0 +1,1101 @@
+/* r6040.c: A RDC R6040 FastEthernet driver for linux. */
+/*
+ Re-written 2004 by Sten Wang.
+
+ Copyright 1994-2000 by Donald Becker.
+ Copyright 1993 United States Government as represented by the
+ Director, National Security Agency. This software may be used and
+ distributed according to the terms of the GNU General Public License,
+ incorporated herein by reference.
+
+ This driver is for RDC R6040 FastEthernet MAC series.
+ For kernel version after 2.4.22
+
+ Modification List
+ ---------- ------------------------------------------------
+ 04-13-2007 Support the mac address auto download
+ 02-14-2007 Support mii-tool to R/W phy & fix the bug which the dhcp client can not get IP
+ 09-26-2006 Modify the Rx NAPI bug with SPD
+ 09-14-2006 Change the previous NAPI( Tx/Rx polling) to NAPI( Rx polling )
+ 08-24-2006 Support at linux 2.6.10 above
+ 03-24-2006 Support NAPI
+ 03-21-2006 By Charies,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 Tim, modify the set_multicast_list
+ 03-28-2005 Tim, modify some error mac register offset in
+ function set_multicast_list
+ 03-27-2005 Tim, Add the internal state machine reset
+ Sten, 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
+*/
+
+#define DRV_NAME "r6040"
+#define DRV_VERSION "0.17"
+#define DRV_RELDATE "13Apr2007"
+
+
+/* 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 (600 * 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 20 /* TX descriptor count */
+#define RX_DCNT 256 /* 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 */
+
+/* Debug enable or not */
+#define RDC_DEBUG 0
+
+#if RDC_DEBUG > 1
+#define RDC_DBUG(msg, value) printk("%s %x\n", msg, value);
+#else
+#define RDC_DBUG(msg, value)
+#endif
+
+#include
+#include
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
+#include
+#endif
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include /* for udelay() */
+#include
+#include
+#include
+#include
+
+#include
+#include
+#include
+#include
+#include
+
+//Added by Keilven, 08/16/2006
+#ifdef FAST_NAT
+ extern software_nat_init(struct net_device *dev);
+ extern void shnat_external_cmd(char *cmd);
+#endif
+
+MODULE_AUTHOR("Sten Wang ");
+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 {
+ struct net_device_stats stats;
+ spinlock_t 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;
+
+#ifdef CONFIG_R6040_NAPI
+ u16 NAPI_RX_RUNNING ;
+#endif
+ struct mii_if_info mii_if;
+};
+
+struct r6040_chip_info {
+ const char *name;
+ u16 pci_flags;
+ int io_size;
+ int drv_flags;
+};
+
+
+
+static int __devinitdata printed_version;
+#ifdef CONFIG_R6040_NAPI
+static char version[] __devinitdata =
+ KERN_INFO DRV_NAME ": RDC R6040 RX 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}
+};
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
+static int NUM_MAC_TABLE = 2 ;
+#endif
+
+static int phy_table[] = {0x1, 0x2};
+static u8 adr_table[2][8] = {{0x00, 0x00, 0x60, 0x00, 0x00, 0x01}, {0x00, 0x00, 0x60, 0x00, 0x00, 0x02}};
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10)
+ module_param_array(adr_table, int, &NUM_MAC_TABLE, 0644);
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
+ module_param_array(adr_table, int, NUM_MAC_TABLE, 0644);
+#else
+ MODULE_PARM(adr_table, "2-4i");
+#endif
+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, struct pt_regs *regs);
+static struct net_device_stats *r6040_get_stats(struct net_device *dev);
+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 netdev_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 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);
+static int r6040_GetSet_MACaddress(struct net_device *dev);
+#ifdef CONFIG_R6040_NAPI
+static int r6040_poll(struct net_device *netdev, int *budget);
+#endif
+
+
+static int mdio_read(struct net_device *dev, int phy_id, int regnum)
+{
+ struct r6040_private *lp = dev->priv;
+ 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 netdev_private *np = dev->priv;
+ struct r6040_private *lp = dev->priv;
+ 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;
+
+ RDC_DBUG("r6040_init_one()", 0);
+
+ if (printed_version++)
+ printk(version);
+
+ if ((err = pci_enable_device (pdev)))
+ 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 == NULL)
+ return -ENOMEM;
+ SET_MODULE_OWNER(dev);
+
+ 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);
+
+ 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];
+
+ /* The RDC-specific entries in the device structure. */
+ dev->open = &r6040_open;
+ dev->hard_start_xmit = &r6040_start_xmit;
+ dev->stop = &r6040_close;
+ dev->get_stats = &r6040_get_stats;
+ dev->set_multicast_list = &set_multicast_list;
+ dev->do_ioctl = &netdev_ioctl;
+ dev->ethtool_ops = &netdev_ethtool_ops;
+ dev->tx_timeout = &r6040_tx_timeout;
+ dev->watchdog_timeo = TX_TIMEOUT;
+
+ 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;
+
+#ifdef CONFIG_R6040_NAPI
+ dev->poll = &r6040_poll;
+ dev->weight = 64;
+#endif
+
+ /* Register net device. After this dev->name assign */
+ if ((err = register_netdev(dev))) {
+ 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;
+
+ RDC_DBUG("r6040_open()", 0);
+
+ r6040_GetSet_MACaddress(dev);
+
+ /* Request IRQ and Register interrupt handler */
+ i = request_irq(dev->irq, &r6040_interrupt, SA_SHIRQ, dev->name, dev);
+ if (i) return i;
+
+ /* 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);
+
+ netif_start_queue(dev);
+
+ /* 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);
+
+#ifdef FAST_NAT
+ software_nat_init(dev); //Added by Keilven, 08/16/2006
+#endif
+
+ return 0;
+}
+
+static void
+r6040_tx_timeout (struct net_device *dev)
+{
+ struct r6040_private *lp = dev->priv;
+ //int ioaddr = dev->base_addr;
+ //struct r6040_descriptor *descptr = lp->tx_remove_ptr;
+
+ RDC_DBUG("r6040_tx_timeout()", 0);
+
+ /* Transmitter timeout, serious problems. */
+ /* Sten: Nothing need to do so far. */
+ printk(KERN_ERR DRV_NAME ": Big Trobule, transmit timeout/n");
+ lp->stats.tx_errors++;
+ netif_stop_queue(dev);
+
+//printk(" XMT timedout: CR0 %x, CR40 %x, CR3C %x, CR2C %x, CR30 %x, CR34 %x, CR38 %x\n", inw(ioaddr), inw(ioaddr+0x40), inw(ioaddr+0x3c), inw(ioaddr+0x2c), inw(ioaddr+0x30), inw(ioaddr+0x34), inw(ioaddr+0x38));
+
+//printk(" XMT_TO: %08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
+}
+
+
+static int
+r6040_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct r6040_private *lp = dev->priv;
+ struct r6040_descriptor *descptr;
+ int ioaddr = dev->base_addr;
+ unsigned long flags;
+
+ RDC_DBUG("r6040_start_xmit()", 0);
+
+ if (skb == NULL) /* 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 */
+ lp->stats.tx_packets++;
+ lp->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 RDC_DEBUG
+ printk("Xmit(): %08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
+#endif
+
+ /* 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 pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct r6040_private *lp;
+ struct r6040_descriptor *descptr;
+ struct sk_buff *skb_ptr;
+ int ioaddr, status;
+ unsigned long flags;
+#ifdef CONFIG_R6040_NAPI
+ int handled = 1;
+#else
+ int handled = 0;
+#endif
+
+ RDC_DBUG("r6040_interrupt()", 0);
+ if (dev == NULL) {
+ printk (KERN_ERR DRV_NAME ": INT() unknown device.\n");
+ return IRQ_RETVAL(handled);
+ }
+
+ lp = (struct r6040_private *)dev->priv;
+ 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
+ /* 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 ((!lp->NAPI_RX_RUNNING) && (status & 0x01) )
+ {
+ if(netif_rx_schedule_prep(dev))
+ __netif_rx_schedule(dev);
+ }
+
+ if(lp->NAPI_RX_RUNNING)
+ outw( TX_INT , ioaddr + 0x40);
+ else
+ outw( R6040_INT_MASK, ioaddr + 0x40);
+
+ 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->stats.rx_packets++;
+ lp->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);
+
+ return IRQ_RETVAL(handled);
+#endif
+
+}
+
+
+static struct net_device_stats *
+r6040_get_stats(struct net_device *dev)
+{
+ struct r6040_private *lp = dev->priv;
+
+ RDC_DBUG("r6040_get_stats()", 0);
+ return &lp->stats;
+}
+
+/*
+ * Set or clear the multicast filter for this adaptor.
+ */
+static void
+set_multicast_list(struct net_device *dev)
+{
+ struct r6040_private *lp = dev->priv;
+ struct dev_mc_list *mcptr;
+ int ioaddr = dev->base_addr;
+ u16 *adrp, i;
+ unsigned long flags;
+
+ RDC_DBUG("set_multicast_list()", 0);
+
+ /* MAC Address */
+ adrp = (u16 *) dev->dev_addr;
+ outw(adrp[0], ioaddr + 0x68);
+ outw(adrp[1], ioaddr + 0x6A);
+ outw(adrp[2], ioaddr + 0x6C);
+
+
+#if RDC_DEBUG
+ printk("MAC ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]);
+#endif
+
+ /* 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; (imc_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;
+#if RDC_DEBUG
+ printk("M_ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]);
+#endif
+ }
+ 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 = dev->priv;
+
+ 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 = dev->priv;
+
+ RDC_DBUG("r6040_close()", 0);
+
+ /* deleted timer */
+ del_timer_sync(&lp->timer);
+
+ spin_lock_irq(&lp->lock);
+
+ netif_stop_queue(dev);
+
+ r6040_down(dev);
+
+ spin_unlock_irq(&lp->lock);
+
+ return 0;
+}
+
+/**
+ */
+static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
+{
+
+ struct r6040_private *lp = dev->priv;
+ 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 = dev->priv;
+ int i;
+ u16 *adrp;
+ int ioaddr = dev->base_addr;
+
+ RDC_DBUG("r6040_down()", 0);
+
+ /* 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 net_device *dev, int *budget)
+{
+ struct r6040_private *lp;
+ struct r6040_descriptor *descptr;
+ struct sk_buff *skb_ptr;
+ int ioaddr, status;
+ unsigned long flags;
+
+ ioaddr = dev->base_addr;
+ lp = (struct r6040_private *)dev->priv;
+ unsigned long rx_work = dev->quota ;
+
+
+ /* Disable RX interrupt */
+ local_irq_disable();
+ lp->NAPI_RX_RUNNING = 1 ;
+ outw(inw(ioaddr + 0x40) & (~RX_INT) ,ioaddr + 0x40 );
+ local_irq_enable();
+ {
+ 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_receive_skb(skb_ptr); /* Send to upper layer */
+ lp->stats.rx_packets++;
+ lp->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);
+
+ local_irq_disable();
+ lp->NAPI_RX_RUNNING = 0 ;
+ /* Enable RX interrupt */
+ outw(inw(ioaddr + 0x40)| RX_INT ,ioaddr + 0x40 );
+ netif_rx_complete(dev);
+ local_irq_enable();
+
+ return 0;
+
+}
+#endif
+
+/* Init RDC MAC */
+static void r6040_up(struct net_device *dev)
+{
+ struct r6040_private *lp = dev->priv;
+ struct r6040_descriptor *descptr;
+ int i;
+ int ioaddr = dev->base_addr;
+ u32 tmp_addr;
+ dma_addr_t desc_dma, start_dma;
+
+ RDC_DBUG("r6040_up()", 0);
+
+ /* Initilize */
+ 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);
+
+#if RDC_DEBUG
+descptr = lp->tx_insert_ptr;
+for (i = 0; i < TX_DCNT; i++) {
+ printk("%08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
+ descptr = descptr->vndescp;
+}
+descptr = lp->rx_insert_ptr;
+for (i = 0; i < RX_DCNT; i++) {
+ printk("%08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp);
+ descptr = descptr->vndescp;
+}
+#endif
+
+ /* TX and RX descriptor start Register */
+ tmp_addr = cpu_to_le32(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(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);
+
+ /* 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;
+
+#ifdef CONFIG_R6040_NAPI
+ /* Sending 15 Tx packets ,only generate one interrupt */
+ outw(0x0F06, ioaddr+ 0x0C);
+
+ lp->NAPI_RX_RUNNING =0;
+#endif
+
+ /* MAC Bus Control Register */
+ outw(MBCR_DEFAULT, ioaddr+0x8);
+
+ /* MAC TX/RX Enable */
+ lp->mcr0 |= lp->phy_mode;
+ outw(lp->mcr0, ioaddr);
+
+ /* 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 = dev->priv;
+ u16 ioaddr = dev->base_addr, phy_mode;
+
+ RDC_DBUG("r6040_timer()", 0);
+
+ /* 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(" Link Change %x \n", inw(ioaddr));
+ }
+
+ /* Debug */
+// printk(" Timer: CR0 %x CR40 %x CR3C %x\n", inw(ioaddr), inw(ioaddr+0x40), inw(ioaddr+0x3c));
+
+ /* 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 ;
+
+ RDC_DBUG("rx_buf_alloc()", 0);
+ 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 = dev->priv;
+ int ioaddr = dev->base_addr, phy_dat;
+
+ RDC_DBUG("phy_mode_chk()", 0);
+
+ /* 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;
+
+ RDC_DBUG("phy_read()", 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;
+
+ RDC_DBUG("phy_write()", 0);
+ outw(dat, ioaddr + 0x28);
+ outw(0x4000 + reg_idx + (phy_addr << 8), ioaddr + 0x20);
+ do{}while( (i++ < 2048) && (inw(ioaddr + 0x20) & 0x4000) );
+}
+
+enum {
+ RDC_6040 = 0
+};
+
+static int r6040_GetSet_MACaddress(struct net_device *dev)
+{
+ struct r6040_private *lp = dev->priv;
+ 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[] = {
+ {0x17F3, 0x6040, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040},
+ //{0x1106, 0x3065, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040},
+ {0,} /* terminate list */
+};
+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)
+{
+ RDC_DBUG("r6040_init()", 0);
+
+ printk(version);
+ printed_version = 1;
+
+ return pci_module_init (&r6040_driver);
+}
+
+
+static void __exit r6040_cleanup (void)
+{
+ RDC_DBUG("r6040_cleanup()", 0);
+ pci_unregister_driver (&r6040_driver);
+}
+
+module_init(r6040_init);
+module_exit(r6040_cleanup);
+
+
+/*
+ * Local variables:
+ * compile-command: "gcc -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c r6040.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`"
+ * c-indent-level: 4
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */