diff options
author | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
---|---|---|
committer | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
commit | 56231056ea784f1cec6450f649b1adaed1f56366 (patch) | |
tree | 7b130d72d854cde2bcd3af8b11bd0f7be3dbff6a /target/linux/rdc-2.6/files/drivers/net | |
parent | e1184aaa1a7a5e5eeef8e072bf0ea98c291be22a (diff) | |
download | upstream-56231056ea784f1cec6450f649b1adaed1f56366.tar.gz upstream-56231056ea784f1cec6450f649b1adaed1f56366.tar.bz2 upstream-56231056ea784f1cec6450f649b1adaed1f56366.zip |
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
SVN-Revision: 8653
Diffstat (limited to 'target/linux/rdc-2.6/files/drivers/net')
-rw-r--r-- | target/linux/rdc-2.6/files/drivers/net/r6040.c | 1041 |
1 files changed, 0 insertions, 1041 deletions
diff --git a/target/linux/rdc-2.6/files/drivers/net/r6040.c b/target/linux/rdc-2.6/files/drivers/net/r6040.c deleted file mode 100644 index 376b6ecfe9..0000000000 --- a/target/linux/rdc-2.6/files/drivers/net/r6040.c +++ /dev/null @@ -1,1041 +0,0 @@ -/* 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 - ---------- ------------------------------------------------ - 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 "0.13" -#define DRV_RELDATE "24Aug2006" - -/* 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 */ - -/* 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 <linux/module.h> -#include <linux/version.h> -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) -#include <linux/moduleparam.h> -#endif -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/init.h> -#include <linux/delay.h> /* for udelay() */ -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/crc32.h> -#include <linux/spinlock.h> - -#include <asm/processor.h> -#include <asm/bitops.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> - -MODULE_AUTHOR("Sten Wang <sten.wang@rdc.com.tw>"); -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 R6040_INT_MASK 0x0011 - -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; - u16 switch_sig; -}; - -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 - -static int __devinitdata printed_version; -#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 = NULL; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) -static int NUM_MAC_TABLE = 2 ; -module_param(parent, charp, 0444); -#else -MODULE_PARM(parent, "s"); -#endif -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}}; - -#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 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 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); -#ifdef CONFIG_R6040_NAPI -static int r6040_poll(struct net_device *netdev, int *budget); -#endif - - -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); - - /* Set MAC address */ - card_idx++; - memcpy(dev->dev_addr, (u8 *)&adr_table[card_idx][0], 6); - - /* 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->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; -#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); - - /* 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); - - if (lp->switch_sig != 0x0243) - { - /* 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 *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("<RDC> 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("<RDC> 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 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 - - if(netif_rx_schedule_prep(dev)) - { - NAPI_status = status ; - __netif_rx_schedule(dev); - } - - 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); -#endif - return IRQ_RETVAL(handled); -} - - -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; (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; -#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; - - RDC_DBUG("netdev_ioctl()", 0); - if (lp->switch_sig == 0x0243 && cmd == SIOCDEVPRIVATE) - { - unsigned long *data = (unsigned long *)rq->ifr_data, args[4]; - int ioaddr = dev->base_addr; - unsigned int val; - - data = (unsigned long *)rq->ifr_data; - if (copy_from_user(args, data, 4*sizeof(unsigned long))) - return -EFAULT; - - /* port priority */ - if(args[0]&(1<<31))phy_write(ioaddr,29,19,(phy_read(ioaddr,29,19)|0x2000)); /* port 0 */ - if(args[0]&(1<<29))phy_write(ioaddr,29,19,(phy_read(ioaddr,29,19)|0x0020)); /* port 1 */ - if(args[0]&(1<<27))phy_write(ioaddr,29,20,(phy_read(ioaddr,29,20)|0x2000)); /* port 2 */ - if(args[0]&(1<<25))phy_write(ioaddr,29,20,(phy_read(ioaddr,29,20)|0x0020)); /* port 3 */ - - } - return -EOPNOTSUPP; -} - -/** - Stop RDC MAC and Free the allocated resource - */ -static void r6040_down(struct net_device *dev) -{ - struct r6040_private *lp = dev->priv; - int i; - 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)); - - 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 ; - unsigned long rx ; - - -#if 1 - /* TX interrupt request */ - if (NAPI_status & 0x10) { - - 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); - } -#endif -#if 1 - /* RX interrupt request */ - if (NAPI_status & 0x01) { - - 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(); - netif_rx_complete(dev); - outw(R6040_INT_MASK,ioaddr + 0x40); - local_irq_enable(); - return 0; -#endif -} -#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 - - /* MAC operation register */ - outw(0x01, ioaddr+0x04); /* Reset MAC */ - outw(2 , ioaddr+0xAC); /* Reset internal state machine */ - outw(0 , ioaddr+0xAC); - udelay(5000); - - /* 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); - - if ((lp->switch_sig = phy_read(ioaddr, 0, 2)) == 0x0243) // ICPlus IP175C Signature - { - 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 = 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("<RDC> Link Change %x \n", inw(ioaddr)); - } - - /* Debug */ -// printk("<RDC> 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 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; - - if (parent != NULL) - { - struct net_device *the_parent = dev_get_by_name(parent); - - if (the_parent == NULL) - { - printk (KERN_ERR DRV_NAME ": Unknown device \"%s\" specified.\n", parent); - return -EINVAL; - } - memcpy((u8 *)&adr_table[0][0], the_parent->dev_addr, 6); - memcpy((u8 *)&adr_table[1][0], the_parent->dev_addr, 6); - ++*(u8 *)&adr_table[0][5]; - } - return pci_register_driver (&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: - */ |