diff options
Diffstat (limited to 'drivers/net/8139cp.c')
-rw-r--r-- | drivers/net/8139cp.c | 220 |
1 files changed, 189 insertions, 31 deletions
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c index 46d8c01437e9..d2150baa7e35 100644 --- a/drivers/net/8139cp.c +++ b/drivers/net/8139cp.c | |||
@@ -52,7 +52,6 @@ | |||
52 | #define DRV_RELDATE "Mar 22, 2004" | 52 | #define DRV_RELDATE "Mar 22, 2004" |
53 | 53 | ||
54 | 54 | ||
55 | #include <linux/config.h> | ||
56 | #include <linux/module.h> | 55 | #include <linux/module.h> |
57 | #include <linux/moduleparam.h> | 56 | #include <linux/moduleparam.h> |
58 | #include <linux/kernel.h> | 57 | #include <linux/kernel.h> |
@@ -401,6 +400,11 @@ static void cp_clean_rings (struct cp_private *cp); | |||
401 | #ifdef CONFIG_NET_POLL_CONTROLLER | 400 | #ifdef CONFIG_NET_POLL_CONTROLLER |
402 | static void cp_poll_controller(struct net_device *dev); | 401 | static void cp_poll_controller(struct net_device *dev); |
403 | #endif | 402 | #endif |
403 | static int cp_get_eeprom_len(struct net_device *dev); | ||
404 | static int cp_get_eeprom(struct net_device *dev, | ||
405 | struct ethtool_eeprom *eeprom, u8 *data); | ||
406 | static int cp_set_eeprom(struct net_device *dev, | ||
407 | struct ethtool_eeprom *eeprom, u8 *data); | ||
404 | 408 | ||
405 | static struct pci_device_id cp_pci_tbl[] = { | 409 | static struct pci_device_id cp_pci_tbl[] = { |
406 | { PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139, | 410 | { PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139, |
@@ -792,7 +796,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev) | |||
792 | entry = cp->tx_head; | 796 | entry = cp->tx_head; |
793 | eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0; | 797 | eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0; |
794 | if (dev->features & NETIF_F_TSO) | 798 | if (dev->features & NETIF_F_TSO) |
795 | mss = skb_shinfo(skb)->tso_size; | 799 | mss = skb_shinfo(skb)->gso_size; |
796 | 800 | ||
797 | if (skb_shinfo(skb)->nr_frags == 0) { | 801 | if (skb_shinfo(skb)->nr_frags == 0) { |
798 | struct cp_desc *txd = &cp->tx_ring[entry]; | 802 | struct cp_desc *txd = &cp->tx_ring[entry]; |
@@ -1199,7 +1203,7 @@ static int cp_open (struct net_device *dev) | |||
1199 | 1203 | ||
1200 | cp_init_hw(cp); | 1204 | cp_init_hw(cp); |
1201 | 1205 | ||
1202 | rc = request_irq(dev->irq, cp_interrupt, SA_SHIRQ, dev->name, dev); | 1206 | rc = request_irq(dev->irq, cp_interrupt, IRQF_SHARED, dev->name, dev); |
1203 | if (rc) | 1207 | if (rc) |
1204 | goto err_out_hw; | 1208 | goto err_out_hw; |
1205 | 1209 | ||
@@ -1577,6 +1581,9 @@ static struct ethtool_ops cp_ethtool_ops = { | |||
1577 | .get_strings = cp_get_strings, | 1581 | .get_strings = cp_get_strings, |
1578 | .get_ethtool_stats = cp_get_ethtool_stats, | 1582 | .get_ethtool_stats = cp_get_ethtool_stats, |
1579 | .get_perm_addr = ethtool_op_get_perm_addr, | 1583 | .get_perm_addr = ethtool_op_get_perm_addr, |
1584 | .get_eeprom_len = cp_get_eeprom_len, | ||
1585 | .get_eeprom = cp_get_eeprom, | ||
1586 | .set_eeprom = cp_set_eeprom, | ||
1580 | }; | 1587 | }; |
1581 | 1588 | ||
1582 | static int cp_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) | 1589 | static int cp_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) |
@@ -1612,24 +1619,32 @@ static int cp_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) | |||
1612 | #define eeprom_delay() readl(ee_addr) | 1619 | #define eeprom_delay() readl(ee_addr) |
1613 | 1620 | ||
1614 | /* The EEPROM commands include the alway-set leading bit. */ | 1621 | /* The EEPROM commands include the alway-set leading bit. */ |
1622 | #define EE_EXTEND_CMD (4) | ||
1615 | #define EE_WRITE_CMD (5) | 1623 | #define EE_WRITE_CMD (5) |
1616 | #define EE_READ_CMD (6) | 1624 | #define EE_READ_CMD (6) |
1617 | #define EE_ERASE_CMD (7) | 1625 | #define EE_ERASE_CMD (7) |
1618 | 1626 | ||
1619 | static int read_eeprom (void __iomem *ioaddr, int location, int addr_len) | 1627 | #define EE_EWDS_ADDR (0) |
1620 | { | 1628 | #define EE_WRAL_ADDR (1) |
1621 | int i; | 1629 | #define EE_ERAL_ADDR (2) |
1622 | unsigned retval = 0; | 1630 | #define EE_EWEN_ADDR (3) |
1623 | void __iomem *ee_addr = ioaddr + Cfg9346; | 1631 | |
1624 | int read_cmd = location | (EE_READ_CMD << addr_len); | 1632 | #define CP_EEPROM_MAGIC PCI_DEVICE_ID_REALTEK_8139 |
1625 | 1633 | ||
1634 | static void eeprom_cmd_start(void __iomem *ee_addr) | ||
1635 | { | ||
1626 | writeb (EE_ENB & ~EE_CS, ee_addr); | 1636 | writeb (EE_ENB & ~EE_CS, ee_addr); |
1627 | writeb (EE_ENB, ee_addr); | 1637 | writeb (EE_ENB, ee_addr); |
1628 | eeprom_delay (); | 1638 | eeprom_delay (); |
1639 | } | ||
1629 | 1640 | ||
1630 | /* Shift the read command bits out. */ | 1641 | static void eeprom_cmd(void __iomem *ee_addr, int cmd, int cmd_len) |
1631 | for (i = 4 + addr_len; i >= 0; i--) { | 1642 | { |
1632 | int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; | 1643 | int i; |
1644 | |||
1645 | /* Shift the command bits out. */ | ||
1646 | for (i = cmd_len - 1; i >= 0; i--) { | ||
1647 | int dataval = (cmd & (1 << i)) ? EE_DATA_WRITE : 0; | ||
1633 | writeb (EE_ENB | dataval, ee_addr); | 1648 | writeb (EE_ENB | dataval, ee_addr); |
1634 | eeprom_delay (); | 1649 | eeprom_delay (); |
1635 | writeb (EE_ENB | dataval | EE_SHIFT_CLK, ee_addr); | 1650 | writeb (EE_ENB | dataval | EE_SHIFT_CLK, ee_addr); |
@@ -1637,6 +1652,33 @@ static int read_eeprom (void __iomem *ioaddr, int location, int addr_len) | |||
1637 | } | 1652 | } |
1638 | writeb (EE_ENB, ee_addr); | 1653 | writeb (EE_ENB, ee_addr); |
1639 | eeprom_delay (); | 1654 | eeprom_delay (); |
1655 | } | ||
1656 | |||
1657 | static void eeprom_cmd_end(void __iomem *ee_addr) | ||
1658 | { | ||
1659 | writeb (~EE_CS, ee_addr); | ||
1660 | eeprom_delay (); | ||
1661 | } | ||
1662 | |||
1663 | static void eeprom_extend_cmd(void __iomem *ee_addr, int extend_cmd, | ||
1664 | int addr_len) | ||
1665 | { | ||
1666 | int cmd = (EE_EXTEND_CMD << addr_len) | (extend_cmd << (addr_len - 2)); | ||
1667 | |||
1668 | eeprom_cmd_start(ee_addr); | ||
1669 | eeprom_cmd(ee_addr, cmd, 3 + addr_len); | ||
1670 | eeprom_cmd_end(ee_addr); | ||
1671 | } | ||
1672 | |||
1673 | static u16 read_eeprom (void __iomem *ioaddr, int location, int addr_len) | ||
1674 | { | ||
1675 | int i; | ||
1676 | u16 retval = 0; | ||
1677 | void __iomem *ee_addr = ioaddr + Cfg9346; | ||
1678 | int read_cmd = location | (EE_READ_CMD << addr_len); | ||
1679 | |||
1680 | eeprom_cmd_start(ee_addr); | ||
1681 | eeprom_cmd(ee_addr, read_cmd, 3 + addr_len); | ||
1640 | 1682 | ||
1641 | for (i = 16; i > 0; i--) { | 1683 | for (i = 16; i > 0; i--) { |
1642 | writeb (EE_ENB | EE_SHIFT_CLK, ee_addr); | 1684 | writeb (EE_ENB | EE_SHIFT_CLK, ee_addr); |
@@ -1648,13 +1690,125 @@ static int read_eeprom (void __iomem *ioaddr, int location, int addr_len) | |||
1648 | eeprom_delay (); | 1690 | eeprom_delay (); |
1649 | } | 1691 | } |
1650 | 1692 | ||
1651 | /* Terminate the EEPROM access. */ | 1693 | eeprom_cmd_end(ee_addr); |
1652 | writeb (~EE_CS, ee_addr); | ||
1653 | eeprom_delay (); | ||
1654 | 1694 | ||
1655 | return retval; | 1695 | return retval; |
1656 | } | 1696 | } |
1657 | 1697 | ||
1698 | static void write_eeprom(void __iomem *ioaddr, int location, u16 val, | ||
1699 | int addr_len) | ||
1700 | { | ||
1701 | int i; | ||
1702 | void __iomem *ee_addr = ioaddr + Cfg9346; | ||
1703 | int write_cmd = location | (EE_WRITE_CMD << addr_len); | ||
1704 | |||
1705 | eeprom_extend_cmd(ee_addr, EE_EWEN_ADDR, addr_len); | ||
1706 | |||
1707 | eeprom_cmd_start(ee_addr); | ||
1708 | eeprom_cmd(ee_addr, write_cmd, 3 + addr_len); | ||
1709 | eeprom_cmd(ee_addr, val, 16); | ||
1710 | eeprom_cmd_end(ee_addr); | ||
1711 | |||
1712 | eeprom_cmd_start(ee_addr); | ||
1713 | for (i = 0; i < 20000; i++) | ||
1714 | if (readb(ee_addr) & EE_DATA_READ) | ||
1715 | break; | ||
1716 | eeprom_cmd_end(ee_addr); | ||
1717 | |||
1718 | eeprom_extend_cmd(ee_addr, EE_EWDS_ADDR, addr_len); | ||
1719 | } | ||
1720 | |||
1721 | static int cp_get_eeprom_len(struct net_device *dev) | ||
1722 | { | ||
1723 | struct cp_private *cp = netdev_priv(dev); | ||
1724 | int size; | ||
1725 | |||
1726 | spin_lock_irq(&cp->lock); | ||
1727 | size = read_eeprom(cp->regs, 0, 8) == 0x8129 ? 256 : 128; | ||
1728 | spin_unlock_irq(&cp->lock); | ||
1729 | |||
1730 | return size; | ||
1731 | } | ||
1732 | |||
1733 | static int cp_get_eeprom(struct net_device *dev, | ||
1734 | struct ethtool_eeprom *eeprom, u8 *data) | ||
1735 | { | ||
1736 | struct cp_private *cp = netdev_priv(dev); | ||
1737 | unsigned int addr_len; | ||
1738 | u16 val; | ||
1739 | u32 offset = eeprom->offset >> 1; | ||
1740 | u32 len = eeprom->len; | ||
1741 | u32 i = 0; | ||
1742 | |||
1743 | eeprom->magic = CP_EEPROM_MAGIC; | ||
1744 | |||
1745 | spin_lock_irq(&cp->lock); | ||
1746 | |||
1747 | addr_len = read_eeprom(cp->regs, 0, 8) == 0x8129 ? 8 : 6; | ||
1748 | |||
1749 | if (eeprom->offset & 1) { | ||
1750 | val = read_eeprom(cp->regs, offset, addr_len); | ||
1751 | data[i++] = (u8)(val >> 8); | ||
1752 | offset++; | ||
1753 | } | ||
1754 | |||
1755 | while (i < len - 1) { | ||
1756 | val = read_eeprom(cp->regs, offset, addr_len); | ||
1757 | data[i++] = (u8)val; | ||
1758 | data[i++] = (u8)(val >> 8); | ||
1759 | offset++; | ||
1760 | } | ||
1761 | |||
1762 | if (i < len) { | ||
1763 | val = read_eeprom(cp->regs, offset, addr_len); | ||
1764 | data[i] = (u8)val; | ||
1765 | } | ||
1766 | |||
1767 | spin_unlock_irq(&cp->lock); | ||
1768 | return 0; | ||
1769 | } | ||
1770 | |||
1771 | static int cp_set_eeprom(struct net_device *dev, | ||
1772 | struct ethtool_eeprom *eeprom, u8 *data) | ||
1773 | { | ||
1774 | struct cp_private *cp = netdev_priv(dev); | ||
1775 | unsigned int addr_len; | ||
1776 | u16 val; | ||
1777 | u32 offset = eeprom->offset >> 1; | ||
1778 | u32 len = eeprom->len; | ||
1779 | u32 i = 0; | ||
1780 | |||
1781 | if (eeprom->magic != CP_EEPROM_MAGIC) | ||
1782 | return -EINVAL; | ||
1783 | |||
1784 | spin_lock_irq(&cp->lock); | ||
1785 | |||
1786 | addr_len = read_eeprom(cp->regs, 0, 8) == 0x8129 ? 8 : 6; | ||
1787 | |||
1788 | if (eeprom->offset & 1) { | ||
1789 | val = read_eeprom(cp->regs, offset, addr_len) & 0xff; | ||
1790 | val |= (u16)data[i++] << 8; | ||
1791 | write_eeprom(cp->regs, offset, val, addr_len); | ||
1792 | offset++; | ||
1793 | } | ||
1794 | |||
1795 | while (i < len - 1) { | ||
1796 | val = (u16)data[i++]; | ||
1797 | val |= (u16)data[i++] << 8; | ||
1798 | write_eeprom(cp->regs, offset, val, addr_len); | ||
1799 | offset++; | ||
1800 | } | ||
1801 | |||
1802 | if (i < len) { | ||
1803 | val = read_eeprom(cp->regs, offset, addr_len) & 0xff00; | ||
1804 | val |= (u16)data[i]; | ||
1805 | write_eeprom(cp->regs, offset, val, addr_len); | ||
1806 | } | ||
1807 | |||
1808 | spin_unlock_irq(&cp->lock); | ||
1809 | return 0; | ||
1810 | } | ||
1811 | |||
1658 | /* Put the board into D3cold state and wait for WakeUp signal */ | 1812 | /* Put the board into D3cold state and wait for WakeUp signal */ |
1659 | static void cp_set_d3_state (struct cp_private *cp) | 1813 | static void cp_set_d3_state (struct cp_private *cp) |
1660 | { | 1814 | { |
@@ -1668,7 +1822,7 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1668 | struct cp_private *cp; | 1822 | struct cp_private *cp; |
1669 | int rc; | 1823 | int rc; |
1670 | void __iomem *regs; | 1824 | void __iomem *regs; |
1671 | long pciaddr; | 1825 | resource_size_t pciaddr; |
1672 | unsigned int addr_len, i, pci_using_dac; | 1826 | unsigned int addr_len, i, pci_using_dac; |
1673 | u8 pci_rev; | 1827 | u8 pci_rev; |
1674 | 1828 | ||
@@ -1682,9 +1836,10 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1682 | 1836 | ||
1683 | if (pdev->vendor == PCI_VENDOR_ID_REALTEK && | 1837 | if (pdev->vendor == PCI_VENDOR_ID_REALTEK && |
1684 | pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pci_rev < 0x20) { | 1838 | pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pci_rev < 0x20) { |
1685 | printk(KERN_ERR PFX "pci dev %s (id %04x:%04x rev %02x) is not an 8139C+ compatible chip\n", | 1839 | dev_err(&pdev->dev, |
1686 | pci_name(pdev), pdev->vendor, pdev->device, pci_rev); | 1840 | "This (id %04x:%04x rev %02x) is not an 8139C+ compatible chip\n", |
1687 | printk(KERN_ERR PFX "Try the \"8139too\" driver instead.\n"); | 1841 | pdev->vendor, pdev->device, pci_rev); |
1842 | dev_err(&pdev->dev, "Try the \"8139too\" driver instead.\n"); | ||
1688 | return -ENODEV; | 1843 | return -ENODEV; |
1689 | } | 1844 | } |
1690 | 1845 | ||
@@ -1722,14 +1877,13 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1722 | pciaddr = pci_resource_start(pdev, 1); | 1877 | pciaddr = pci_resource_start(pdev, 1); |
1723 | if (!pciaddr) { | 1878 | if (!pciaddr) { |
1724 | rc = -EIO; | 1879 | rc = -EIO; |
1725 | printk(KERN_ERR PFX "no MMIO resource for pci dev %s\n", | 1880 | dev_err(&pdev->dev, "no MMIO resource\n"); |
1726 | pci_name(pdev)); | ||
1727 | goto err_out_res; | 1881 | goto err_out_res; |
1728 | } | 1882 | } |
1729 | if (pci_resource_len(pdev, 1) < CP_REGS_SIZE) { | 1883 | if (pci_resource_len(pdev, 1) < CP_REGS_SIZE) { |
1730 | rc = -EIO; | 1884 | rc = -EIO; |
1731 | printk(KERN_ERR PFX "MMIO resource (%lx) too small on pci dev %s\n", | 1885 | dev_err(&pdev->dev, "MMIO resource (%llx) too small\n", |
1732 | pci_resource_len(pdev, 1), pci_name(pdev)); | 1886 | (unsigned long long)pci_resource_len(pdev, 1)); |
1733 | goto err_out_res; | 1887 | goto err_out_res; |
1734 | } | 1888 | } |
1735 | 1889 | ||
@@ -1743,14 +1897,15 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1743 | 1897 | ||
1744 | rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); | 1898 | rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
1745 | if (rc) { | 1899 | if (rc) { |
1746 | printk(KERN_ERR PFX "No usable DMA configuration, " | 1900 | dev_err(&pdev->dev, |
1747 | "aborting.\n"); | 1901 | "No usable DMA configuration, aborting.\n"); |
1748 | goto err_out_res; | 1902 | goto err_out_res; |
1749 | } | 1903 | } |
1750 | rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); | 1904 | rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); |
1751 | if (rc) { | 1905 | if (rc) { |
1752 | printk(KERN_ERR PFX "No usable consistent DMA configuration, " | 1906 | dev_err(&pdev->dev, |
1753 | "aborting.\n"); | 1907 | "No usable consistent DMA configuration, " |
1908 | "aborting.\n"); | ||
1754 | goto err_out_res; | 1909 | goto err_out_res; |
1755 | } | 1910 | } |
1756 | } | 1911 | } |
@@ -1761,8 +1916,9 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1761 | regs = ioremap(pciaddr, CP_REGS_SIZE); | 1916 | regs = ioremap(pciaddr, CP_REGS_SIZE); |
1762 | if (!regs) { | 1917 | if (!regs) { |
1763 | rc = -EIO; | 1918 | rc = -EIO; |
1764 | printk(KERN_ERR PFX "Cannot map PCI MMIO (%lx@%lx) on pci dev %s\n", | 1919 | dev_err(&pdev->dev, "Cannot map PCI MMIO (%lx@%lx)\n", |
1765 | pci_resource_len(pdev, 1), pciaddr, pci_name(pdev)); | 1920 | (unsigned long long)pci_resource_len(pdev, 1), |
1921 | (unsigned long long)pciaddr); | ||
1766 | goto err_out_res; | 1922 | goto err_out_res; |
1767 | } | 1923 | } |
1768 | dev->base_addr = (unsigned long) regs; | 1924 | dev->base_addr = (unsigned long) regs; |
@@ -1831,7 +1987,8 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) | |||
1831 | /* enable busmastering and memory-write-invalidate */ | 1987 | /* enable busmastering and memory-write-invalidate */ |
1832 | pci_set_master(pdev); | 1988 | pci_set_master(pdev); |
1833 | 1989 | ||
1834 | if (cp->wol_enabled) cp_set_d3_state (cp); | 1990 | if (cp->wol_enabled) |
1991 | cp_set_d3_state (cp); | ||
1835 | 1992 | ||
1836 | return 0; | 1993 | return 0; |
1837 | 1994 | ||
@@ -1856,7 +2013,8 @@ static void cp_remove_one (struct pci_dev *pdev) | |||
1856 | BUG_ON(!dev); | 2013 | BUG_ON(!dev); |
1857 | unregister_netdev(dev); | 2014 | unregister_netdev(dev); |
1858 | iounmap(cp->regs); | 2015 | iounmap(cp->regs); |
1859 | if (cp->wol_enabled) pci_set_power_state (pdev, PCI_D0); | 2016 | if (cp->wol_enabled) |
2017 | pci_set_power_state (pdev, PCI_D0); | ||
1860 | pci_release_regions(pdev); | 2018 | pci_release_regions(pdev); |
1861 | pci_clear_mwi(pdev); | 2019 | pci_clear_mwi(pdev); |
1862 | pci_disable_device(pdev); | 2020 | pci_disable_device(pdev); |