diff options
Diffstat (limited to 'drivers/net/tulip/uli526x.c')
| -rw-r--r-- | drivers/net/tulip/uli526x.c | 1850 |
1 files changed, 0 insertions, 1850 deletions
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c deleted file mode 100644 index 9e63f406f72d..000000000000 --- a/drivers/net/tulip/uli526x.c +++ /dev/null @@ -1,1850 +0,0 @@ -/* - 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. - - -*/ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#define DRV_NAME "uli526x" -#define DRV_VERSION "0.9.3" -#define DRV_RELDATE "2005-7-29" - -#include <linux/module.h> - -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/skbuff.h> -#include <linux/delay.h> -#include <linux/spinlock.h> -#include <linux/dma-mapping.h> -#include <linux/bitops.h> - -#include <asm/processor.h> -#include <asm/io.h> -#include <asm/dma.h> -#include <asm/uaccess.h> - - -/* Board/System/Debug information/definition ---------------- */ -#define PCI_ULI5261_ID 0x526110B9 /* ULi M5261 ID*/ -#define PCI_ULI5263_ID 0x526310B9 /* ULi M5263 ID*/ - -#define ULI526X_IO_SIZE 0x100 -#define TX_DESC_CNT 0x20 /* Allocated Tx descriptors */ -#define RX_DESC_CNT 0x30 /* Allocated Rx descriptors */ -#define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */ -#define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */ -#define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT) -#define TX_BUF_ALLOC 0x600 -#define RX_ALLOC_SIZE 0x620 -#define ULI526X_RESET 1 -#define CR0_DEFAULT 0 -#define CR6_DEFAULT 0x22200000 -#define CR7_DEFAULT 0x180c1 -#define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */ -#define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */ -#define MAX_PACKET_SIZE 1514 -#define ULI5261_MAX_MULTICAST 14 -#define RX_COPY_SIZE 100 -#define MAX_CHECK_PACKET 0x8000 - -#define ULI526X_10MHF 0 -#define ULI526X_100MHF 1 -#define ULI526X_10MFD 4 -#define ULI526X_100MFD 5 -#define ULI526X_AUTO 8 - -#define ULI526X_TXTH_72 0x400000 /* TX TH 72 byte */ -#define ULI526X_TXTH_96 0x404000 /* TX TH 96 byte */ -#define ULI526X_TXTH_128 0x0000 /* TX TH 128 byte */ -#define ULI526X_TXTH_256 0x4000 /* TX TH 256 byte */ -#define ULI526X_TXTH_512 0x8000 /* TX TH 512 byte */ -#define ULI526X_TXTH_1K 0xC000 /* TX TH 1K byte */ - -#define ULI526X_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */ -#define ULI526X_TX_TIMEOUT ((16*HZ)/2) /* tx packet time-out time 8 s" */ -#define ULI526X_TX_KICK (4*HZ/2) /* tx packet Kick-out time 2 s" */ - -#define ULI526X_DBUG(dbug_now, msg, value) \ -do { \ - if (uli526x_debug || (dbug_now)) \ - pr_err("%s %lx\n", (msg), (long) (value)); \ -} while (0) - -#define SHOW_MEDIA_TYPE(mode) \ - pr_err("Change Speed to %sMhz %s duplex\n", \ - mode & 1 ? "100" : "10", \ - mode & 4 ? "full" : "half"); - - -/* CR9 definition: SROM/MII */ -#define CR9_SROM_READ 0x4800 -#define CR9_SRCS 0x1 -#define CR9_SRCLK 0x2 -#define CR9_CRDOUT 0x8 -#define SROM_DATA_0 0x0 -#define SROM_DATA_1 0x4 -#define PHY_DATA_1 0x20000 -#define PHY_DATA_0 0x00000 -#define MDCLKH 0x10000 - -#define PHY_POWER_DOWN 0x800 - -#define SROM_V41_CODE 0x14 - -#define SROM_CLK_WRITE(data, ioaddr) \ - outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ - udelay(5); \ - outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr); \ - udelay(5); \ - outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ - udelay(5); - -/* Structure/enum declaration ------------------------------- */ -struct tx_desc { - __le32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */ - char *tx_buf_ptr; /* Data for us */ - struct tx_desc *next_tx_desc; -} __attribute__(( aligned(32) )); - -struct rx_desc { - __le32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */ - struct sk_buff *rx_skb_ptr; /* Data for us */ - struct rx_desc *next_rx_desc; -} __attribute__(( aligned(32) )); - -struct uli526x_board_info { - u32 chip_id; /* Chip vendor/Device ID */ - struct net_device *next_dev; /* next device */ - struct pci_dev *pdev; /* PCI device */ - spinlock_t lock; - - long ioaddr; /* I/O base address */ - u32 cr0_data; - u32 cr5_data; - u32 cr6_data; - u32 cr7_data; - u32 cr15_data; - - /* pointer for memory physical address */ - dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */ - dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */ - dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */ - dma_addr_t first_tx_desc_dma; - dma_addr_t first_rx_desc_dma; - - /* descriptor pointer */ - unsigned char *buf_pool_ptr; /* Tx buffer pool memory */ - unsigned char *buf_pool_start; /* Tx buffer pool align dword */ - unsigned char *desc_pool_ptr; /* descriptor pool memory */ - struct tx_desc *first_tx_desc; - struct tx_desc *tx_insert_ptr; - struct tx_desc *tx_remove_ptr; - struct rx_desc *first_rx_desc; - struct rx_desc *rx_insert_ptr; - struct rx_desc *rx_ready_ptr; /* packet come pointer */ - unsigned long tx_packet_cnt; /* transmitted packet count */ - unsigned long rx_avail_cnt; /* available rx descriptor count */ - unsigned long interval_rx_cnt; /* rx packet count a callback time */ - - u16 dbug_cnt; - u16 NIC_capability; /* NIC media capability */ - u16 PHY_reg4; /* Saved Phyxcer register 4 value */ - - u8 media_mode; /* user specify media mode */ - u8 op_mode; /* real work media mode */ - u8 phy_addr; - u8 link_failed; /* Ever link failed */ - u8 wait_reset; /* Hardware failed, need to reset */ - struct timer_list timer; - - /* Driver defined statistic counter */ - unsigned long tx_fifo_underrun; - unsigned long tx_loss_carrier; - unsigned long tx_no_carrier; - unsigned long tx_late_collision; - unsigned long tx_excessive_collision; - unsigned long tx_jabber_timeout; - unsigned long reset_count; - unsigned long reset_cr8; - unsigned long reset_fatal; - unsigned long reset_TXtimeout; - - /* NIC SROM data */ - unsigned char srom[128]; - u8 init; -}; - -enum uli526x_offsets { - DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20, - DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48, - DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70, - DCR15 = 0x78 -}; - -enum uli526x_CR6_bits { - CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80, - CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000, - CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000 -}; - -/* Global variable declaration ----------------------------- */ -static int __devinitdata printed_version; -static const char version[] __devinitconst = - "ULi M5261/M5263 net driver, version " DRV_VERSION " (" DRV_RELDATE ")"; - -static int uli526x_debug; -static unsigned char uli526x_media_mode = ULI526X_AUTO; -static u32 uli526x_cr6_user_set; - -/* For module input parameter */ -static int debug; -static u32 cr6set; -static int mode = 8; - -/* function declaration ------------------------------------- */ -static int uli526x_open(struct net_device *); -static netdev_tx_t uli526x_start_xmit(struct sk_buff *, - struct net_device *); -static int uli526x_stop(struct net_device *); -static void uli526x_set_filter_mode(struct net_device *); -static const struct ethtool_ops netdev_ethtool_ops; -static u16 read_srom_word(long, int); -static irqreturn_t uli526x_interrupt(int, void *); -#ifdef CONFIG_NET_POLL_CONTROLLER -static void uli526x_poll(struct net_device *dev); -#endif -static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long); -static void allocate_rx_buffer(struct uli526x_board_info *); -static void update_cr6(u32, unsigned long); -static void send_filter_frame(struct net_device *, int); -static u16 phy_read(unsigned long, u8, u8, u32); -static u16 phy_readby_cr10(unsigned long, u8, u8); -static void phy_write(unsigned long, u8, u8, u16, u32); -static void phy_writeby_cr10(unsigned long, u8, u8, u16); -static void phy_write_1bit(unsigned long, u32, u32); -static u16 phy_read_1bit(unsigned long, u32); -static u8 uli526x_sense_speed(struct uli526x_board_info *); -static void uli526x_process_mode(struct uli526x_board_info *); -static void uli526x_timer(unsigned long); -static void uli526x_rx_packet(struct net_device *, struct uli526x_board_info *); -static void uli526x_free_tx_pkt(struct net_device *, struct uli526x_board_info *); -static void uli526x_reuse_skb(struct uli526x_board_info *, struct sk_buff *); -static void uli526x_dynamic_reset(struct net_device *); -static void uli526x_free_rxbuffer(struct uli526x_board_info *); -static void uli526x_init(struct net_device *); -static void uli526x_set_phyxcer(struct uli526x_board_info *); - -/* ULI526X network board routine ---------------------------- */ - -static const struct net_device_ops netdev_ops = { - .ndo_open = uli526x_open, - .ndo_stop = uli526x_stop, - .ndo_start_xmit = uli526x_start_xmit, - .ndo_set_multicast_list = uli526x_set_filter_mode, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = uli526x_poll, -#endif -}; - -/* - * Search ULI526X board, allocate space and register it - */ - -static int __devinit uli526x_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct uli526x_board_info *db; /* board information structure */ - struct net_device *dev; - int i, err; - - ULI526X_DBUG(0, "uli526x_init_one()", 0); - - if (!printed_version++) - pr_info("%s\n", version); - - /* Init network device */ - dev = alloc_etherdev(sizeof(*db)); - if (dev == NULL) - return -ENOMEM; - SET_NETDEV_DEV(dev, &pdev->dev); - - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { - pr_warn("32-bit PCI DMA not available\n"); - err = -ENODEV; - goto err_out_free; - } - - /* Enable Master/IO access, Disable memory access */ - err = pci_enable_device(pdev); - if (err) - goto err_out_free; - - if (!pci_resource_start(pdev, 0)) { - pr_err("I/O base is zero\n"); - err = -ENODEV; - goto err_out_disable; - } - - if (pci_resource_len(pdev, 0) < (ULI526X_IO_SIZE) ) { - pr_err("Allocated I/O size too small\n"); - err = -ENODEV; - goto err_out_disable; - } - - if (pci_request_regions(pdev, DRV_NAME)) { - pr_err("Failed to request PCI regions\n"); - err = -ENODEV; - goto err_out_disable; - } - - /* Init system & device */ - db = netdev_priv(dev); - - /* Allocate Tx/Rx descriptor memory */ - db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); - if(db->desc_pool_ptr == NULL) - { - err = -ENOMEM; - goto err_out_nomem; - } - db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); - if(db->buf_pool_ptr == NULL) - { - err = -ENOMEM; - goto err_out_nomem; - } - - db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; - db->first_tx_desc_dma = db->desc_pool_dma_ptr; - db->buf_pool_start = db->buf_pool_ptr; - db->buf_pool_dma_start = db->buf_pool_dma_ptr; - - db->chip_id = ent->driver_data; - db->ioaddr = pci_resource_start(pdev, 0); - - db->pdev = pdev; - db->init = 1; - - dev->base_addr = db->ioaddr; - dev->irq = pdev->irq; - pci_set_drvdata(pdev, dev); - - /* Register some necessary functions */ - dev->netdev_ops = &netdev_ops; - dev->ethtool_ops = &netdev_ethtool_ops; - - spin_lock_init(&db->lock); - - - /* read 64 word srom data */ - for (i = 0; i < 64; i++) - ((__le16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i)); - - /* Set Node address */ - if(((u16 *) db->srom)[0] == 0xffff || ((u16 *) db->srom)[0] == 0) /* SROM absent, so read MAC address from ID Table */ - { - outl(0x10000, db->ioaddr + DCR0); //Diagnosis mode - outl(0x1c0, db->ioaddr + DCR13); //Reset dianostic pointer port - outl(0, db->ioaddr + DCR14); //Clear reset port - outl(0x10, db->ioaddr + DCR14); //Reset ID Table pointer - outl(0, db->ioaddr + DCR14); //Clear reset port - outl(0, db->ioaddr + DCR13); //Clear CR13 - outl(0x1b0, db->ioaddr + DCR13); //Select ID Table access port - //Read MAC address from CR14 - for (i = 0; i < 6; i++) - dev->dev_addr[i] = inl(db->ioaddr + DCR14); - //Read end - outl(0, db->ioaddr + DCR13); //Clear CR13 - outl(0, db->ioaddr + DCR0); //Clear CR0 - udelay(10); - } - else /*Exist SROM*/ - { - for (i = 0; i < 6; i++) - dev->dev_addr[i] = db->srom[20 + i]; - } - err = register_netdev (dev); - if (err) - goto err_out_res; - - netdev_info(dev, "ULi M%04lx at pci%s, %pM, irq %d\n", - ent->driver_data >> 16, pci_name(pdev), - dev->dev_addr, dev->irq); - - pci_set_master(pdev); - - return 0; - -err_out_res: - pci_release_regions(pdev); -err_out_nomem: - if(db->desc_pool_ptr) - pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, - db->desc_pool_ptr, db->desc_pool_dma_ptr); - - if(db->buf_pool_ptr != NULL) - pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, - db->buf_pool_ptr, db->buf_pool_dma_ptr); -err_out_disable: - pci_disable_device(pdev); -err_out_free: - pci_set_drvdata(pdev, NULL); - free_netdev(dev); - - return err; -} - - -static void __devexit uli526x_remove_one (struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct uli526x_board_info *db = netdev_priv(dev); - - ULI526X_DBUG(0, "uli526x_remove_one()", 0); - - pci_free_consistent(db->pdev, sizeof(struct tx_desc) * - DESC_ALL_CNT + 0x20, db->desc_pool_ptr, - db->desc_pool_dma_ptr); - pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, - db->buf_pool_ptr, db->buf_pool_dma_ptr); - unregister_netdev(dev); - pci_release_regions(pdev); - free_netdev(dev); /* free board information */ - pci_set_drvdata(pdev, NULL); - pci_disable_device(pdev); - ULI526X_DBUG(0, "uli526x_remove_one() exit", 0); -} - - -/* - * Open the interface. - * The interface is opened whenever "ifconfig" activates it. - */ - -static int uli526x_open(struct net_device *dev) -{ - int ret; - struct uli526x_board_info *db = netdev_priv(dev); - - ULI526X_DBUG(0, "uli526x_open", 0); - - /* system variable init */ - db->cr6_data = CR6_DEFAULT | uli526x_cr6_user_set; - db->tx_packet_cnt = 0; - db->rx_avail_cnt = 0; - db->link_failed = 1; - netif_carrier_off(dev); - db->wait_reset = 0; - - db->NIC_capability = 0xf; /* All capability*/ - db->PHY_reg4 = 0x1e0; - - /* CR6 operation mode decision */ - db->cr6_data |= ULI526X_TXTH_256; - db->cr0_data = CR0_DEFAULT; - - /* Initialize ULI526X board */ - uli526x_init(dev); - - ret = request_irq(dev->irq, uli526x_interrupt, IRQF_SHARED, dev->name, dev); - if (ret) - return ret; - - /* Active System Interface */ - netif_wake_queue(dev); - - /* set and active a timer process */ - init_timer(&db->timer); - db->timer.expires = ULI526X_TIMER_WUT + HZ * 2; - db->timer.data = (unsigned long)dev; - db->timer.function = uli526x_timer; - add_timer(&db->timer); - - return 0; -} - - -/* Initialize ULI526X board - * Reset ULI526X board - * Initialize TX/Rx descriptor chain structure - * Send the set-up frame - * Enable Tx/Rx machine - */ - -static void uli526x_init(struct net_device *dev) -{ - struct uli526x_board_info *db = netdev_priv(dev); - unsigned long ioaddr = db->ioaddr; - u8 phy_tmp; - u8 timeout; - u16 phy_value; - u16 phy_reg_reset; - - - ULI526X_DBUG(0, "uli526x_init()", 0); - - /* Reset M526x MAC controller */ - outl(ULI526X_RESET, ioaddr + DCR0); /* RESET MAC */ - udelay(100); - outl(db->cr0_data, ioaddr + DCR0); - udelay(5); - - /* Phy addr : In some boards,M5261/M5263 phy address != 1 */ - db->phy_addr = 1; - for(phy_tmp=0;phy_tmp<32;phy_tmp++) - { - phy_value=phy_read(db->ioaddr,phy_tmp,3,db->chip_id);//peer add - if(phy_value != 0xffff&&phy_value!=0) - { - db->phy_addr = phy_tmp; - break; - } - } - if(phy_tmp == 32) - pr_warn("Can not find the phy address!!!\n"); - /* Parser SROM and media mode */ - db->media_mode = uli526x_media_mode; - - /* phyxcer capability setting */ - phy_reg_reset = phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id); - phy_reg_reset = (phy_reg_reset | 0x8000); - phy_write(db->ioaddr, db->phy_addr, 0, phy_reg_reset, db->chip_id); - - /* See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management - * functions") or phy data sheet for details on phy reset - */ - udelay(500); - timeout = 10; - while (timeout-- && - phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id) & 0x8000) - udelay(100); - - /* Process Phyxcer Media Mode */ - uli526x_set_phyxcer(db); - - /* Media Mode Process */ - if ( !(db->media_mode & ULI526X_AUTO) ) - db->op_mode = db->media_mode; /* Force Mode */ - - /* Initialize Transmit/Receive decriptor and CR3/4 */ - uli526x_descriptor_init(db, ioaddr); - - /* Init CR6 to program M526X operation */ - update_cr6(db->cr6_data, ioaddr); - - /* Send setup frame */ - send_filter_frame(dev, netdev_mc_count(dev)); /* M5261/M5263 */ - - /* Init CR7, interrupt active bit */ - db->cr7_data = CR7_DEFAULT; - outl(db->cr7_data, ioaddr + DCR7); - - /* Init CR15, Tx jabber and Rx watchdog timer */ - outl(db->cr15_data, ioaddr + DCR15); - - /* Enable ULI526X Tx/Rx function */ - db->cr6_data |= CR6_RXSC | CR6_TXSC; - update_cr6(db->cr6_data, ioaddr); -} - - -/* - * Hardware start transmission. - * Send a packet to media from the upper layer. - */ - -static netdev_tx_t uli526x_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct uli526x_board_info *db = netdev_priv(dev); - struct tx_desc *txptr; - unsigned long flags; - - ULI526X_DBUG(0, "uli526x_start_xmit", 0); - - /* Resource flag check */ - netif_stop_queue(dev); - - /* Too large packet check */ - if (skb->len > MAX_PACKET_SIZE) { - netdev_err(dev, "big packet = %d\n", (u16)skb->len); - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - spin_lock_irqsave(&db->lock, flags); - - /* No Tx resource check, it never happen nromally */ - if (db->tx_packet_cnt >= TX_FREE_DESC_CNT) { - spin_unlock_irqrestore(&db->lock, flags); - netdev_err(dev, "No Tx resource %ld\n", db->tx_packet_cnt); - return NETDEV_TX_BUSY; - } - - /* Disable NIC interrupt */ - outl(0, dev->base_addr + DCR7); - - /* transmit this packet */ - txptr = db->tx_insert_ptr; - skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len); - txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len); - - /* Point to next transmit free descriptor */ - db->tx_insert_ptr = txptr->next_tx_desc; - - /* Transmit Packet Process */ - if ( (db->tx_packet_cnt < TX_DESC_CNT) ) { - txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ - db->tx_packet_cnt++; /* Ready to send */ - outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ - dev->trans_start = jiffies; /* saved time stamp */ - } - - /* Tx resource check */ - if ( db->tx_packet_cnt < TX_FREE_DESC_CNT ) - netif_wake_queue(dev); - - /* Restore CR7 to enable interrupt */ - spin_unlock_irqrestore(&db->lock, flags); - outl(db->cr7_data, dev->base_addr + DCR7); - - /* free this SKB */ - dev_kfree_skb(skb); - - return NETDEV_TX_OK; -} - - -/* - * Stop the interface. - * The interface is stopped when it is brought. - */ - -static int uli526x_stop(struct net_device *dev) -{ - struct uli526x_board_info *db = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; - - ULI526X_DBUG(0, "uli526x_stop", 0); - - /* disable system */ - netif_stop_queue(dev); - - /* deleted timer */ - del_timer_sync(&db->timer); - - /* Reset & stop ULI526X board */ - outl(ULI526X_RESET, ioaddr + DCR0); - udelay(5); - phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id); - - /* free interrupt */ - free_irq(dev->irq, dev); - - /* free allocated rx buffer */ - uli526x_free_rxbuffer(db); - - return 0; -} - - -/* - * M5261/M5263 insterrupt handler - * receive the packet to upper layer, free the transmitted packet - */ - -static irqreturn_t uli526x_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct uli526x_board_info *db = netdev_priv(dev); - unsigned long ioaddr = dev->base_addr; - unsigned long flags; - - spin_lock_irqsave(&db->lock, flags); - outl(0, ioaddr + DCR7); - - /* Got ULI526X status */ - db->cr5_data = inl(ioaddr + DCR5); - outl(db->cr5_data, ioaddr + DCR5); - if ( !(db->cr5_data & 0x180c1) ) { - /* Restore CR7 to enable interrupt mask */ - outl(db->cr7_data, ioaddr + DCR7); - spin_unlock_irqrestore(&db->lock, flags); - return IRQ_HANDLED; - } - - /* Check system status */ - if (db->cr5_data & 0x2000) { - /* system bus error happen */ - ULI526X_DBUG(1, "System bus error happen. CR5=", db->cr5_data); - db->reset_fatal++; - db->wait_reset = 1; /* Need to RESET */ - spin_unlock_irqrestore(&db->lock, flags); - return IRQ_HANDLED; - } - - /* Received the coming packet */ - if ( (db->cr5_data & 0x40) && db->rx_avail_cnt ) - uli526x_rx_packet(dev, db); - - /* reallocate rx descriptor buffer */ - if (db->rx_avail_cnt<RX_DESC_CNT) - allocate_rx_buffer(db); - - /* Free the transmitted descriptor */ - if ( db->cr5_data & 0x01) - uli526x_free_tx_pkt(dev, db); - - /* Restore CR7 to enable interrupt mask */ - outl(db->cr7_data, ioaddr + DCR7); - - spin_unlock_irqrestore(&db->lock, flags); - return IRQ_HANDLED; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void uli526x_poll(struct net_device *dev) -{ - /* ISR grabs the irqsave lock, so this should be safe */ - uli526x_interrupt(dev->irq, dev); -} -#endif - -/* - * Free TX resource after TX complete - */ - -static void uli526x_free_tx_pkt(struct net_device *dev, - struct uli526x_board_info * db) -{ - struct tx_desc *txptr; - u32 tdes0; - - txptr = db->tx_remove_ptr; - while(db->tx_packet_cnt) { - tdes0 = le32_to_cpu(txptr->tdes0); - if (tdes0 & 0x80000000) - break; - - /* A packet sent completed */ - db->tx_packet_cnt--; - dev->stats.tx_packets++; - - /* Transmit statistic counter */ - if ( tdes0 != 0x7fffffff ) { - dev->stats.collisions += (tdes0 >> 3) & 0xf; - dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff; - if (tdes0 & TDES0_ERR_MASK) { - dev->stats.tx_errors++; - if (tdes0 & 0x0002) { /* UnderRun */ - db->tx_fifo_underrun++; - if ( !(db->cr6_data & CR6_SFT) ) { - db->cr6_data = db->cr6_data | CR6_SFT; - update_cr6(db->cr6_data, db->ioaddr); - } - } - if (tdes0 & 0x0100) - db->tx_excessive_collision++; - if (tdes0 & 0x0200) - db->tx_late_collision++; - if (tdes0 & 0x0400) - db->tx_no_carrier++; - if (tdes0 & 0x0800) - db->tx_loss_carrier++; - if (tdes0 & 0x4000) - db->tx_jabber_timeout++; - } - } - - txptr = txptr->next_tx_desc; - }/* End of while */ - - /* Update TX remove pointer to next */ - db->tx_remove_ptr = txptr; - - /* Resource available check */ - if ( db->tx_packet_cnt < TX_WAKE_DESC_CNT ) - netif_wake_queue(dev); /* Active upper layer, send again */ -} - - -/* - * Receive the come packet and pass to upper layer - */ - -static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info * db) -{ - struct rx_desc *rxptr; - struct sk_buff *skb; - int rxlen; - u32 rdes0; - - rxptr = db->rx_ready_ptr; - - while(db->rx_avail_cnt) { - rdes0 = le32_to_cpu(rxptr->rdes0); - if (rdes0 & 0x80000000) /* packet owner check */ - { - break; - } - - db->rx_avail_cnt--; - db->interval_rx_cnt++; - - pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE); - if ( (rdes0 & 0x300) != 0x300) { - /* A packet without First/Last flag */ - /* reuse this SKB */ - ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0); - uli526x_reuse_skb(db, rxptr->rx_skb_ptr); - } else { - /* A packet with First/Last flag */ - rxlen = ( (rdes0 >> 16) & 0x3fff) - 4; - - /* error summary bit check */ - if (rdes0 & 0x8000) { - /* This is a error packet */ - dev->stats.rx_errors++; - if (rdes0 & 1) - dev->stats.rx_fifo_errors++; - if (rdes0 & 2) - dev->stats.rx_crc_errors++; - if (rdes0 & 0x80) - dev->stats.rx_length_errors++; - } - - if ( !(rdes0 & 0x8000) || - ((db->cr6_data & CR6_PM) && (rxlen>6)) ) { - struct sk_buff *new_skb = NULL; - - skb = rxptr->rx_skb_ptr; - - /* Good packet, send to upper layer */ - /* Shorst packet used new SKB */ - if ((rxlen < RX_COPY_SIZE) && - (((new_skb = dev_alloc_skb(rxlen + 2)) != NULL))) { - skb = new_skb; - /* size less than COPY_SIZE, allocate a rxlen SKB */ - skb_reserve(skb, 2); /* 16byte align */ - memcpy(skb_put(skb, rxlen), - skb_tail_pointer(rxptr->rx_skb_ptr), - rxlen); - uli526x_reuse_skb(db, rxptr->rx_skb_ptr); - } else - skb_put(skb, rxlen); - - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += rxlen; - - } else { - /* Reuse SKB buffer when the packet is error */ - ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0); - uli526x_reuse_skb(db, rxptr->rx_skb_ptr); - } - } - - rxptr = rxptr->next_rx_desc; - } - - db->rx_ready_ptr = rxptr; -} - - -/* - * Set ULI526X multicast address - */ - -static void uli526x_set_filter_mode(struct net_device * dev) -{ - struct uli526x_board_info *db = netdev_priv(dev); - unsigned long flags; - - ULI526X_DBUG(0, "uli526x_set_filter_mode()", 0); - spin_lock_irqsave(&db->lock, flags); - - if (dev->flags & IFF_PROMISC) { - ULI526X_DBUG(0, "Enable PROM Mode", 0); - db->cr6_data |= CR6_PM | CR6_PBF; - update_cr6(db->cr6_data, db->ioaddr); - spin_unlock_irqrestore(&db->lock, flags); - return; - } - - if (dev->flags & IFF_ALLMULTI || - netdev_mc_count(dev) > ULI5261_MAX_MULTICAST) { - ULI526X_DBUG(0, "Pass all multicast address", - netdev_mc_count(dev)); - db->cr6_data &= ~(CR6_PM | CR6_PBF); - db->cr6_data |= CR6_PAM; - spin_unlock_irqrestore(&db->lock, flags); - return; - } - - ULI526X_DBUG(0, "Set multicast address", netdev_mc_count(dev)); - send_filter_frame(dev, netdev_mc_count(dev)); /* M5261/M5263 */ - spin_unlock_irqrestore(&db->lock, flags); -} - -static void -ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd) -{ - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_MII); - - ecmd->advertising = (ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | - ADVERTISED_Autoneg | - ADVERTISED_MII); - - - ecmd->port = PORT_MII; - ecmd->phy_address = db->phy_addr; - - ecmd->transceiver = XCVR_EXTERNAL; - - ethtool_cmd_speed_set(ecmd, SPEED_10); - ecmd->duplex = DUPLEX_HALF; - - if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD) - { - ethtool_cmd_speed_set(ecmd, SPEED_100); - } - if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD) - { - ecmd->duplex = DUPLEX_FULL; - } - if(db->link_failed) - { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - - if (db->media_mode & ULI526X_AUTO) - { - ecmd->autoneg = AUTONEG_ENABLE; - } -} - -static void netdev_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct uli526x_board_info *np = netdev_priv(dev); - - strcpy(info->driver, DRV_NAME); - strcpy(info->version, DRV_VERSION); - if (np->pdev) - strcpy(info->bus_info, pci_name(np->pdev)); - else - sprintf(info->bus_info, "EISA 0x%lx %d", - dev->base_addr, dev->irq); -} - -static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { - struct uli526x_board_info *np = netdev_priv(dev); - - ULi_ethtool_gset(np, cmd); - - return 0; -} - -static u32 netdev_get_link(struct net_device *dev) { - struct uli526x_board_info *np = netdev_priv(dev); - - if(np->link_failed) - return 0; - else - return 1; -} - -static void uli526x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - wol->supported = WAKE_PHY | WAKE_MAGIC; - wol->wolopts = 0; -} - -static const struct ethtool_ops netdev_ethtool_ops = { - .get_drvinfo = netdev_get_drvinfo, - .get_settings = netdev_get_settings, - .get_link = netdev_get_link, - .get_wol = uli526x_get_wol, -}; - -/* - * A periodic timer routine - * Dynamic media sense, allocate Rx buffer... - */ - -static void uli526x_timer(unsigned long data) -{ - u32 tmp_cr8; - unsigned char tmp_cr12=0; - struct net_device *dev = (struct net_device *) data; - struct uli526x_board_info *db = netdev_priv(dev); - unsigned long flags; - - //ULI526X_DBUG(0, "uli526x_timer()", 0); - spin_lock_irqsave(&db->lock, flags); - - - /* Dynamic reset ULI526X : system error or transmit time-out */ - tmp_cr8 = inl(db->ioaddr + DCR8); - if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) { - db->reset_cr8++; - db->wait_reset = 1; - } - db->interval_rx_cnt = 0; - - /* TX polling kick monitor */ - if ( db->tx_packet_cnt && - time_after(jiffies, dev_trans_start(dev) + ULI526X_TX_KICK) ) { - outl(0x1, dev->base_addr + DCR1); // Tx polling again - - // TX Timeout - if ( time_after(jiffies, dev_trans_start(dev) + ULI526X_TX_TIMEOUT) ) { - db->reset_TXtimeout++; - db->wait_reset = 1; - netdev_err(dev, " Tx timeout - resetting\n"); - } - } - - if (db->wait_reset) { - ULI526X_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt); - db->reset_count++; - uli526x_dynamic_reset(dev); - db->timer.expires = ULI526X_TIMER_WUT; - add_timer(&db->timer); - spin_unlock_irqrestore(&db->lock, flags); - return; - } - - /* Link status check, Dynamic media type change */ - if((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)!=0) - tmp_cr12 = 3; - - if ( !(tmp_cr12 & 0x3) && !db->link_failed ) { - /* Link Failed */ - ULI526X_DBUG(0, "Link Failed", tmp_cr12); - netif_carrier_off(dev); - netdev_info(dev, "NIC Link is Down\n"); - db->link_failed = 1; - - /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */ - /* AUTO don't need */ - if ( !(db->media_mode & 0x8) ) - phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id); - - /* AUTO mode, if INT phyxcer link failed, select EXT device */ - if (db->media_mode & ULI526X_AUTO) { - db->cr6_data&=~0x00000200; /* bit9=0, HD mode */ - update_cr6(db->cr6_data, db->ioaddr); - } - } else - if ((tmp_cr12 & 0x3) && db->link_failed) { - ULI526X_DBUG(0, "Link link OK", tmp_cr12); - db->link_failed = 0; - - /* Auto Sense Speed */ - if ( (db->media_mode & ULI526X_AUTO) && - uli526x_sense_speed(db) ) - db->link_failed = 1; - uli526x_process_mode(db); - - if(db->link_failed==0) - { - netdev_info(dev, "NIC Link is Up %d Mbps %s duplex\n", - (db->op_mode == ULI526X_100MHF || - db->op_mode == ULI526X_100MFD) - ? 100 : 10, - (db->op_mode == ULI526X_10MFD || - db->op_mode == ULI526X_100MFD) - ? "Full" : "Half"); - netif_carrier_on(dev); - } - /* SHOW_MEDIA_TYPE(db->op_mode); */ - } - else if(!(tmp_cr12 & 0x3) && db->link_failed) - { - if(db->init==1) - { - netdev_info(dev, "NIC Link is Down\n"); - netif_carrier_off(dev); - } - } - db->init=0; - - /* Timer active again */ - db->timer.expires = ULI526X_TIMER_WUT; - add_timer(&db->timer); - spin_unlock_irqrestore(&db->lock, flags); -} - - -/* - * Stop ULI526X board - * Free Tx/Rx allocated memory - * Init system variable - */ - -static void uli526x_reset_prepare(struct net_device *dev) -{ - struct uli526x_board_info *db = netdev_priv(dev); - - /* Sopt MAC controller */ - db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */ - update_cr6(db->cr6_data, dev->base_addr); - outl(0, dev->base_addr + DCR7); /* Disable Interrupt */ - outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5); - - /* Disable upper layer interface */ - netif_stop_queue(dev); - - /* Free Rx Allocate buffer */ - uli526x_free_rxbuffer(db); - - /* system variable init */ - db->tx_packet_cnt = 0; - db->rx_avail_cnt = 0; - db->link_failed = 1; - db->init=1; - db->wait_reset = 0; -} - - -/* - * Dynamic reset the ULI526X board - * Stop ULI526X board - * Free Tx/Rx allocated memory - * Reset ULI526X board - * Re-initialize ULI526X board - */ - -static void uli526x_dynamic_reset(struct net_device *dev) -{ - ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0); - - uli526x_reset_prepare(dev); - - /* Re-initialize ULI526X board */ - uli526x_init(dev); - - /* Restart upper layer interface */ - netif_wake_queue(dev); -} - - -#ifdef CONFIG_PM - -/* - * Suspend the interface. - */ - -static int uli526x_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *dev = pci_get_drvdata(pdev); - pci_power_t power_state; - int err; - - ULI526X_DBUG(0, "uli526x_suspend", 0); - - if (!netdev_priv(dev)) - return 0; - - pci_save_state(pdev); - - if (!netif_running(dev)) - return 0; - - netif_device_detach(dev); - uli526x_reset_prepare(dev); - - power_state = pci_choose_state(pdev, state); - pci_enable_wake(pdev, power_state, 0); - err = pci_set_power_state(pdev, power_state); - if (err) { - netif_device_attach(dev); - /* Re-initialize ULI526X board */ - uli526x_init(dev); - /* Restart upper layer interface */ - netif_wake_queue(dev); - } - - return err; -} - -/* - * Resume the interface. - */ - -static int uli526x_resume(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - int err; - - ULI526X_DBUG(0, "uli526x_resume", 0); - - if (!netdev_priv(dev)) - return 0; - - pci_restore_state(pdev); - - if (!netif_running(dev)) - return 0; - - err = pci_set_power_state(pdev, PCI_D0); - if (err) { - netdev_warn(dev, "Could not put device into D0\n"); - return err; - } - - netif_device_attach(dev); - /* Re-initialize ULI526X board */ - uli526x_init(dev); - /* Restart upper layer interface */ - netif_wake_queue(dev); - - return 0; -} - -#else /* !CONFIG_PM */ - -#define uli526x_suspend NULL -#define uli526x_resume NULL - -#endif /* !CONFIG_PM */ - - -/* - * free all allocated rx buffer - */ - -static void uli526x_free_rxbuffer(struct uli526x_board_info * db) -{ - ULI526X_DBUG(0, "uli526x_free_rxbuffer()", 0); - - /* free allocated rx buffer */ - while (db->rx_avail_cnt) { - dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr); - db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc; - db->rx_avail_cnt--; - } -} - - -/* - * Reuse the SK buffer - */ - -static void uli526x_reuse_skb(struct uli526x_board_info *db, struct sk_buff * skb) -{ - struct rx_desc *rxptr = db->rx_insert_ptr; - - if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) { - rxptr->rx_skb_ptr = skb; - rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev, - skb_tail_pointer(skb), - RX_ALLOC_SIZE, - PCI_DMA_FROMDEVICE)); - wmb(); - rxptr->rdes0 = cpu_to_le32(0x80000000); - db->rx_avail_cnt++; - db->rx_insert_ptr = rxptr->next_rx_desc; - } else - ULI526X_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt); -} - - -/* - * Initialize transmit/Receive descriptor - * Using Chain structure, and allocate Tx/Rx buffer - */ - -static void uli526x_descriptor_init(struct uli526x_board_info *db, unsigned long ioaddr) -{ - struct tx_desc *tmp_tx; - struct rx_desc *tmp_rx; - unsigned char *tmp_buf; - dma_addr_t tmp_tx_dma, tmp_rx_dma; - dma_addr_t tmp_buf_dma; - int i; - - ULI526X_DBUG(0, "uli526x_descriptor_init()", 0); - - /* tx descriptor start pointer */ - db->tx_insert_ptr = db->first_tx_desc; - db->tx_remove_ptr = db->first_tx_desc; - outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */ - - /* rx descriptor start pointer */ - db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT; - db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT; - db->rx_insert_ptr = db->first_rx_desc; - db->rx_ready_ptr = db->first_rx_desc; - outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */ - - /* Init Transmit chain */ - tmp_buf = db->buf_pool_start; - tmp_buf_dma = db->buf_pool_dma_start; - tmp_tx_dma = db->first_tx_desc_dma; - for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) { - tmp_tx->tx_buf_ptr = tmp_buf; - tmp_tx->tdes0 = cpu_to_le32(0); - tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */ - tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma); - tmp_tx_dma += sizeof(struct tx_desc); - tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma); - tmp_tx->next_tx_desc = tmp_tx + 1; - tmp_buf = tmp_buf + TX_BUF_ALLOC; - tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC; - } - (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma); - tmp_tx->next_tx_desc = db->first_tx_desc; - - /* Init Receive descriptor chain */ - tmp_rx_dma=db->first_rx_desc_dma; - for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) { - tmp_rx->rdes0 = cpu_to_le32(0); - tmp_rx->rdes1 = cpu_to_le32(0x01000600); - tmp_rx_dma += sizeof(struct rx_desc); - tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma); - tmp_rx->next_rx_desc = tmp_rx + 1; - } - (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma); - tmp_rx->next_rx_desc = db->first_rx_desc; - - /* pre-allocate Rx buffer */ - allocate_rx_buffer(db); -} - - -/* - * Update CR6 value - * Firstly stop ULI526X, then written value and start - */ - -static void update_cr6(u32 cr6_data, unsigned long ioaddr) -{ - - outl(cr6_data, ioaddr + DCR6); - udelay(5); -} - - -/* - * Send a setup frame for M5261/M5263 - * This setup frame initialize ULI526X address filter mode - */ - -#ifdef __BIG_ENDIAN -#define FLT_SHIFT 16 -#else -#define FLT_SHIFT 0 -#endif - -static void send_filter_frame(struct net_device *dev, int mc_cnt) -{ - struct uli526x_board_info *db = netdev_priv(dev); - struct netdev_hw_addr *ha; - struct tx_desc *txptr; - u16 * addrptr; - u32 * suptr; - int i; - - ULI526X_DBUG(0, "send_filter_frame()", 0); - - txptr = db->tx_insert_ptr; - suptr = (u32 *) txptr->tx_buf_ptr; - - /* Node address */ - addrptr = (u16 *) dev->dev_addr; - *suptr++ = addrptr[0] << FLT_SHIFT; - *suptr++ = addrptr[1] << FLT_SHIFT; - *suptr++ = addrptr[2] << FLT_SHIFT; - - /* broadcast address */ - *suptr++ = 0xffff << FLT_SHIFT; - *suptr++ = 0xffff << FLT_SHIFT; - *suptr++ = 0xffff << FLT_SHIFT; - - /* fit the multicast address */ - netdev_for_each_mc_addr(ha, dev) { - addrptr = (u16 *) ha->addr; - *suptr++ = addrptr[0] << FLT_SHIFT; - *suptr++ = addrptr[1] << FLT_SHIFT; - *suptr++ = addrptr[2] << FLT_SHIFT; - } - - for (i = netdev_mc_count(dev); i < 14; i++) { - *suptr++ = 0xffff << FLT_SHIFT; - *suptr++ = 0xffff << FLT_SHIFT; - *suptr++ = 0xffff << FLT_SHIFT; - } - - /* prepare the setup frame */ - db->tx_insert_ptr = txptr->next_tx_desc; - txptr->tdes1 = cpu_to_le32(0x890000c0); - - /* Resource Check and Send the setup packet */ - if (db->tx_packet_cnt < TX_DESC_CNT) { - /* Resource Empty */ - db->tx_packet_cnt++; - txptr->tdes0 = cpu_to_le32(0x80000000); - update_cr6(db->cr6_data | 0x2000, dev->base_addr); - outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ - update_cr6(db->cr6_data, dev->base_addr); - dev->trans_start = jiffies; - } else - netdev_err(dev, "No Tx resource - Send_filter_frame!\n"); -} - - -/* - * Allocate rx buffer, - * As possible as allocate maxiumn Rx buffer - */ - -static void allocate_rx_buffer(struct uli526x_board_info *db) -{ - struct rx_desc *rxptr; - struct sk_buff *skb; - - rxptr = db->rx_insert_ptr; - - while(db->rx_avail_cnt < RX_DESC_CNT) { - if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL ) - break; - rxptr->rx_skb_ptr = skb; /* FIXME (?) */ - rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev, - skb_tail_pointer(skb), - RX_ALLOC_SIZE, - PCI_DMA_FROMDEVICE)); - wmb(); - rxptr->rdes0 = cpu_to_le32(0x80000000); - rxptr = rxptr->next_rx_desc; - db->rx_avail_cnt++; - } - - db->rx_insert_ptr = rxptr; -} - - -/* - * Read one word data from the serial ROM - */ - -static u16 read_srom_word(long ioaddr, int offset) -{ - int i; - u16 srom_data = 0; - long cr9_ioaddr = ioaddr + DCR9; - - outl(CR9_SROM_READ, cr9_ioaddr); - outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); - - /* Send the Read Command 110b */ - SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); - SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); - SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr); - - /* Send the offset */ - for (i = 5; i >= 0; i--) { - srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0; - SROM_CLK_WRITE(srom_data, cr9_ioaddr); - } - - outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); - - for (i = 16; i > 0; i--) { - outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr); - udelay(5); - srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0); - outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); - udelay(5); - } - - outl(CR9_SROM_READ, cr9_ioaddr); - return srom_data; -} - - -/* - * Auto sense the media mode - */ - -static u8 uli526x_sense_speed(struct uli526x_board_info * db) -{ - u8 ErrFlag = 0; - u16 phy_mode; - - phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); - phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); - - if ( (phy_mode & 0x24) == 0x24 ) { - - phy_mode = ((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)<<7); - if(phy_mode&0x8000) - phy_mode = 0x8000; - else if(phy_mode&0x4000) - phy_mode = 0x4000; - else if(phy_mode&0x2000) - phy_mode = 0x2000; - else - phy_mode = 0x1000; - - switch (phy_mode) { - case 0x1000: db->op_mode = ULI526X_10MHF; break; - case 0x2000: db->op_mode = ULI526X_10MFD; break; - case 0x4000: db->op_mode = ULI526X_100MHF; break; - case 0x8000: db->op_mode = ULI526X_100MFD; break; - default: db->op_mode = ULI526X_10MHF; ErrFlag = 1; break; - } - } else { - db->op_mode = ULI526X_10MHF; - ULI526X_DBUG(0, "Link Failed :", phy_mode); - ErrFlag = 1; - } - - return ErrFlag; -} - - -/* - * Set 10/100 phyxcer capability - * AUTO mode : phyxcer register4 is NIC capability - * Force mode: phyxcer register4 is the force media - */ - -static void uli526x_set_phyxcer(struct uli526x_board_info *db) -{ - u16 phy_reg; - - /* Phyxcer capability setting */ - phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0; - - if (db->media_mode & ULI526X_AUTO) { - /* AUTO Mode */ - phy_reg |= db->PHY_reg4; - } else { - /* Force Mode */ - switch(db->media_mode) { - case ULI526X_10MHF: phy_reg |= 0x20; break; - case ULI526X_10MFD: phy_reg |= 0x40; break; - case ULI526X_100MHF: phy_reg |= 0x80; break; - case ULI526X_100MFD: phy_reg |= 0x100; break; - } - - } - - /* Write new capability to Phyxcer Reg4 */ - if ( !(phy_reg & 0x01e0)) { - phy_reg|=db->PHY_reg4; - db->media_mode|=ULI526X_AUTO; - } - phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id); - - /* Restart Auto-Negotiation */ - phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id); - udelay(50); -} - - -/* - * Process op-mode - AUTO mode : PHY controller in Auto-negotiation Mode - * Force mode: PHY controller in force mode with HUB - * N-way force capability with SWITCH - */ - -static void uli526x_process_mode(struct uli526x_board_info *db) -{ - u16 phy_reg; - - /* Full Duplex Mode Check */ - if (db->op_mode & 0x4) - db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */ - else - db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */ - - update_cr6(db->cr6_data, db->ioaddr); - - /* 10/100M phyxcer force mode need */ - if ( !(db->media_mode & 0x8)) { - /* Forece Mode */ - phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id); - if ( !(phy_reg & 0x1) ) { - /* parter without N-Way capability */ - phy_reg = 0x0; - switch(db->op_mode) { - case ULI526X_10MHF: phy_reg = 0x0; break; - case ULI526X_10MFD: phy_reg = 0x100; break; - case ULI526X_100MHF: phy_reg = 0x2000; break; - case ULI526X_100MFD: phy_reg = 0x2100; break; - } - phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id); - } - } -} - - -/* - * Write a word to Phy register - */ - -static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data, u32 chip_id) -{ - u16 i; - unsigned long ioaddr; - - if(chip_id == PCI_ULI5263_ID) - { - phy_writeby_cr10(iobase, phy_addr, offset, phy_data); - return; - } - /* M5261/M5263 Chip */ - ioaddr = iobase + DCR9; - - /* Send 33 synchronization clock to Phy controller */ - for (i = 0; i < 35; i++) - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send start command(01) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send write command(01) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send Phy address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* Send register address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* written trasnition */ - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - - /* Write a word data to PHY controller */ - for ( i = 0x8000; i > 0; i >>= 1) - phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); - -} - - -/* - * Read a word data from phy register - */ - -static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id) -{ - int i; - u16 phy_data; - unsigned long ioaddr; - - if(chip_id == PCI_ULI5263_ID) - return phy_readby_cr10(iobase, phy_addr, offset); - /* M5261/M5263 Chip */ - ioaddr = iobase + DCR9; - - /* Send 33 synchronization clock to Phy controller */ - for (i = 0; i < 35; i++) - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send start command(01) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - - /* Send read command(10) to Phy */ - phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); - phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); - - /* Send Phy address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* Send register address */ - for (i = 0x10; i > 0; i = i >> 1) - phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); - - /* Skip transition state */ - phy_read_1bit(ioaddr, chip_id); - - /* read 16bit data */ - for (phy_data = 0, i = 0; i < 16; i++) { - phy_data <<= 1; - phy_data |= phy_read_1bit(ioaddr, chip_id); - } - - return phy_data; -} - -static u16 phy_readby_cr10(unsigned long iobase, u8 phy_addr, u8 offset) -{ - unsigned long ioaddr,cr10_value; - - ioaddr = iobase + DCR10; - cr10_value = phy_addr; - cr10_value = (cr10_value<<5) + offset; - cr10_value = (cr10_value<<16) + 0x08000000; - outl(cr10_value,ioaddr); - udelay(1); - while(1) - { - cr10_value = inl(ioaddr); - if(cr10_value&0x10000000) - break; - } - return cr10_value & 0x0ffff; -} - -static void phy_writeby_cr10(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data) -{ - unsigned long ioaddr,cr10_value; - - ioaddr = iobase + DCR10; - cr10_value = phy_addr; - cr10_value = (cr10_value<<5) + offset; - cr10_value = (cr10_value<<16) + 0x04000000 + phy_data; - outl(cr10_value,ioaddr); - udelay(1); -} -/* - * Write one bit data to Phy Controller - */ - -static void phy_write_1bit(unsigned long ioaddr, u32 phy_data, u32 chip_id) -{ - outl(phy_data , ioaddr); /* MII Clock Low */ - udelay(1); - outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */ - udelay(1); - outl(phy_data , ioaddr); /* MII Clock Low */ - udelay(1); -} - - -/* - * Read one bit phy data from PHY controller - */ - -static u16 phy_read_1bit(unsigned long ioaddr, u32 chip_id) -{ - u16 phy_data; - - outl(0x50000 , ioaddr); - udelay(1); - phy_data = ( inl(ioaddr) >> 19 ) & 0x1; - outl(0x40000 , ioaddr); - udelay(1); - - return phy_data; -} - - -static DEFINE_PCI_DEVICE_TABLE(uli526x_pci_tbl) = { - { 0x10B9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5261_ID }, - { 0x10B9, 0x5263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5263_ID }, - { 0, } -}; -MODULE_DEVICE_TABLE(pci, uli526x_pci_tbl); - - -static struct pci_driver uli526x_driver = { - .name = "uli526x", - .id_table = uli526x_pci_tbl, - .probe = uli526x_init_one, - .remove = __devexit_p(uli526x_remove_one), - .suspend = uli526x_suspend, - .resume = uli526x_resume, -}; - -MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw"); -MODULE_DESCRIPTION("ULi M5261/M5263 fast ethernet driver"); -MODULE_LICENSE("GPL"); - -module_param(debug, int, 0644); -module_param(mode, int, 0); -module_param(cr6set, int, 0); -MODULE_PARM_DESC(debug, "ULi M5261/M5263 enable debugging (0-1)"); -MODULE_PARM_DESC(mode, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA"); - -/* Description: - * when user used insmod to add module, system invoked init_module() - * to register the services. - */ - -static int __init uli526x_init_module(void) -{ - - pr_info("%s\n", version); - printed_version = 1; - - ULI526X_DBUG(0, "init_module() ", debug); - - if (debug) - uli526x_debug = debug; /* set debug flag */ - if (cr6set) - uli526x_cr6_user_set = cr6set; - - switch (mode) { - case ULI526X_10MHF: - case ULI526X_100MHF: - case ULI526X_10MFD: - case ULI526X_100MFD: - uli526x_media_mode = mode; - break; - default: - uli526x_media_mode = ULI526X_AUTO; - break; - } - - return pci_register_driver(&uli526x_driver); -} - - -/* - * Description: - * when user used rmmod to delete module, system invoked clean_module() - * to un-register all registered services. - */ - -static void __exit uli526x_cleanup_module(void) -{ - ULI526X_DBUG(0, "uli526x_clean_module() ", debug); - pci_unregister_driver(&uli526x_driver); -} - -module_init(uli526x_init_module); -module_exit(uli526x_cleanup_module); |