diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/ethernet/sis')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/sis/Kconfig | 53 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/sis/Makefile | 6 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/sis/sis190.c | 1953 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.c | 2494 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.h | 329 |
5 files changed, 0 insertions, 4835 deletions
diff --git a/ANDROID_3.4.5/drivers/net/ethernet/sis/Kconfig b/ANDROID_3.4.5/drivers/net/ethernet/sis/Kconfig deleted file mode 100644 index f1135cc1..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/sis/Kconfig +++ /dev/null @@ -1,53 +0,0 @@ -# -# Silicon Integrated Systems (SiS) device configuration -# - -config NET_VENDOR_SIS - bool "Silicon Integrated Systems (SiS) devices" - default y - depends on PCI - ---help--- - If you have a network (Ethernet) card belonging to this class, say Y - and read the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - Note that the answer to this question doesn't directly affect the - kernel: saying N will just cause the configurator to skip all - the questions about SiS devices. If you say Y, you will be asked for - your specific card in the following questions. - -if NET_VENDOR_SIS - -config SIS900 - tristate "SiS 900/7016 PCI Fast Ethernet Adapter support" - depends on PCI - select CRC32 - select NET_CORE - select MII - ---help--- - This is a driver for the Fast Ethernet PCI network cards based on - the SiS 900 and SiS 7016 chips. The SiS 900 core is also embedded in - SiS 630 and SiS 540 chipsets. - - This driver also supports AMD 79C901 HomePNA so that you can use - your phone line as a network cable. - - To compile this driver as a module, choose M here: the module - will be called sis900. This is recommended. - -config SIS190 - tristate "SiS190/SiS191 gigabit ethernet support" - depends on PCI - select CRC32 - select NET_CORE - select MII - ---help--- - Say Y here if you have a SiS 190 PCI Fast Ethernet adapter or - a SiS 191 PCI Gigabit Ethernet adapter. Both are expected to - appear in lan on motherboard designs which are based on SiS 965 - and SiS 966 south bridge. - - To compile this driver as a module, choose M here: the module - will be called sis190. This is recommended. - -endif # NET_VENDOR_SIS diff --git a/ANDROID_3.4.5/drivers/net/ethernet/sis/Makefile b/ANDROID_3.4.5/drivers/net/ethernet/sis/Makefile deleted file mode 100644 index 58d3ac19..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/sis/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for Silicon Integrated Systems (SiS) network device drivers. -# - -obj-$(CONFIG_SIS190) += sis190.o -obj-$(CONFIG_SIS900) += sis900.o diff --git a/ANDROID_3.4.5/drivers/net/ethernet/sis/sis190.c b/ANDROID_3.4.5/drivers/net/ethernet/sis/sis190.c deleted file mode 100644 index a9deda8e..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/sis/sis190.c +++ /dev/null @@ -1,1953 +0,0 @@ -/* - sis190.c: Silicon Integrated Systems SiS190 ethernet driver - - Copyright (c) 2003 K.M. Liu <kmliu@sis.com> - Copyright (c) 2003, 2004 Jeff Garzik <jgarzik@pobox.com> - Copyright (c) 2003, 2004, 2005 Francois Romieu <romieu@fr.zoreil.com> - - Based on r8169.c, tg3.c, 8139cp.c, skge.c, epic100.c and SiS 190/191 - genuine driver. - - This software may be used and distributed according to the terms of - the GNU General Public License (GPL), incorporated herein by reference. - Drivers based on or derived from this code fall under the GPL and must - retain the authorship, copyright and license notice. This file is not - a complete program and may only be used when the entire operating - system is licensed under the GPL. - - See the file COPYING in this distribution for more information. - -*/ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/netdevice.h> -#include <linux/rtnetlink.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/pci.h> -#include <linux/mii.h> -#include <linux/delay.h> -#include <linux/crc32.h> -#include <linux/dma-mapping.h> -#include <linux/slab.h> -#include <asm/irq.h> - -#define PHY_MAX_ADDR 32 -#define PHY_ID_ANY 0x1f -#define MII_REG_ANY 0x1f - -#define DRV_VERSION "1.4" -#define DRV_NAME "sis190" -#define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION - -#define sis190_rx_skb netif_rx -#define sis190_rx_quota(count, quota) count - -#define NUM_TX_DESC 64 /* [8..1024] */ -#define NUM_RX_DESC 64 /* [8..8192] */ -#define TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) -#define RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) -#define RX_BUF_SIZE 1536 -#define RX_BUF_MASK 0xfff8 - -#define SIS190_REGS_SIZE 0x80 -#define SIS190_TX_TIMEOUT (6*HZ) -#define SIS190_PHY_TIMEOUT (10*HZ) -#define SIS190_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | \ - NETIF_MSG_LINK | NETIF_MSG_IFUP | \ - NETIF_MSG_IFDOWN) - -/* Enhanced PHY access register bit definitions */ -#define EhnMIIread 0x0000 -#define EhnMIIwrite 0x0020 -#define EhnMIIdataShift 16 -#define EhnMIIpmdShift 6 /* 7016 only */ -#define EhnMIIregShift 11 -#define EhnMIIreq 0x0010 -#define EhnMIInotDone 0x0010 - -/* Write/read MMIO register */ -#define SIS_W8(reg, val) writeb ((val), ioaddr + (reg)) -#define SIS_W16(reg, val) writew ((val), ioaddr + (reg)) -#define SIS_W32(reg, val) writel ((val), ioaddr + (reg)) -#define SIS_R8(reg) readb (ioaddr + (reg)) -#define SIS_R16(reg) readw (ioaddr + (reg)) -#define SIS_R32(reg) readl (ioaddr + (reg)) - -#define SIS_PCI_COMMIT() SIS_R32(IntrControl) - -enum sis190_registers { - TxControl = 0x00, - TxDescStartAddr = 0x04, - rsv0 = 0x08, // reserved - TxSts = 0x0c, // unused (Control/Status) - RxControl = 0x10, - RxDescStartAddr = 0x14, - rsv1 = 0x18, // reserved - RxSts = 0x1c, // unused - IntrStatus = 0x20, - IntrMask = 0x24, - IntrControl = 0x28, - IntrTimer = 0x2c, // unused (Interrupt Timer) - PMControl = 0x30, // unused (Power Mgmt Control/Status) - rsv2 = 0x34, // reserved - ROMControl = 0x38, - ROMInterface = 0x3c, - StationControl = 0x40, - GMIIControl = 0x44, - GIoCR = 0x48, // unused (GMAC IO Compensation) - GIoCtrl = 0x4c, // unused (GMAC IO Control) - TxMacControl = 0x50, - TxLimit = 0x54, // unused (Tx MAC Timer/TryLimit) - RGDelay = 0x58, // unused (RGMII Tx Internal Delay) - rsv3 = 0x5c, // reserved - RxMacControl = 0x60, - RxMacAddr = 0x62, - RxHashTable = 0x68, - // Undocumented = 0x6c, - RxWolCtrl = 0x70, - RxWolData = 0x74, // unused (Rx WOL Data Access) - RxMPSControl = 0x78, // unused (Rx MPS Control) - rsv4 = 0x7c, // reserved -}; - -enum sis190_register_content { - /* IntrStatus */ - SoftInt = 0x40000000, // unused - Timeup = 0x20000000, // unused - PauseFrame = 0x00080000, // unused - MagicPacket = 0x00040000, // unused - WakeupFrame = 0x00020000, // unused - LinkChange = 0x00010000, - RxQEmpty = 0x00000080, - RxQInt = 0x00000040, - TxQ1Empty = 0x00000020, // unused - TxQ1Int = 0x00000010, - TxQ0Empty = 0x00000008, // unused - TxQ0Int = 0x00000004, - RxHalt = 0x00000002, - TxHalt = 0x00000001, - - /* {Rx/Tx}CmdBits */ - CmdReset = 0x10, - CmdRxEnb = 0x08, // unused - CmdTxEnb = 0x01, - RxBufEmpty = 0x01, // unused - - /* Cfg9346Bits */ - Cfg9346_Lock = 0x00, // unused - Cfg9346_Unlock = 0xc0, // unused - - /* RxMacControl */ - AcceptErr = 0x20, // unused - AcceptRunt = 0x10, // unused - AcceptBroadcast = 0x0800, - AcceptMulticast = 0x0400, - AcceptMyPhys = 0x0200, - AcceptAllPhys = 0x0100, - - /* RxConfigBits */ - RxCfgFIFOShift = 13, - RxCfgDMAShift = 8, // 0x1a in RxControl ? - - /* TxConfigBits */ - TxInterFrameGapShift = 24, - TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ - - LinkStatus = 0x02, // unused - FullDup = 0x01, // unused - - /* TBICSRBit */ - TBILinkOK = 0x02000000, // unused -}; - -struct TxDesc { - __le32 PSize; - __le32 status; - __le32 addr; - __le32 size; -}; - -struct RxDesc { - __le32 PSize; - __le32 status; - __le32 addr; - __le32 size; -}; - -enum _DescStatusBit { - /* _Desc.status */ - OWNbit = 0x80000000, // RXOWN/TXOWN - INTbit = 0x40000000, // RXINT/TXINT - CRCbit = 0x00020000, // CRCOFF/CRCEN - PADbit = 0x00010000, // PREADD/PADEN - /* _Desc.size */ - RingEnd = 0x80000000, - /* TxDesc.status */ - LSEN = 0x08000000, // TSO ? -- FR - IPCS = 0x04000000, - TCPCS = 0x02000000, - UDPCS = 0x01000000, - BSTEN = 0x00800000, - EXTEN = 0x00400000, - DEFEN = 0x00200000, - BKFEN = 0x00100000, - CRSEN = 0x00080000, - COLEN = 0x00040000, - THOL3 = 0x30000000, - THOL2 = 0x20000000, - THOL1 = 0x10000000, - THOL0 = 0x00000000, - - WND = 0x00080000, - TABRT = 0x00040000, - FIFO = 0x00020000, - LINK = 0x00010000, - ColCountMask = 0x0000ffff, - /* RxDesc.status */ - IPON = 0x20000000, - TCPON = 0x10000000, - UDPON = 0x08000000, - Wakup = 0x00400000, - Magic = 0x00200000, - Pause = 0x00100000, - DEFbit = 0x00200000, - BCAST = 0x000c0000, - MCAST = 0x00080000, - UCAST = 0x00040000, - /* RxDesc.PSize */ - TAGON = 0x80000000, - RxDescCountMask = 0x7f000000, // multi-desc pkt when > 1 ? -- FR - ABORT = 0x00800000, - SHORT = 0x00400000, - LIMIT = 0x00200000, - MIIER = 0x00100000, - OVRUN = 0x00080000, - NIBON = 0x00040000, - COLON = 0x00020000, - CRCOK = 0x00010000, - RxSizeMask = 0x0000ffff - /* - * The asic could apparently do vlan, TSO, jumbo (sis191 only) and - * provide two (unused with Linux) Tx queues. No publicly - * available documentation alas. - */ -}; - -enum sis190_eeprom_access_register_bits { - EECS = 0x00000001, // unused - EECLK = 0x00000002, // unused - EEDO = 0x00000008, // unused - EEDI = 0x00000004, // unused - EEREQ = 0x00000080, - EEROP = 0x00000200, - EEWOP = 0x00000100 // unused -}; - -/* EEPROM Addresses */ -enum sis190_eeprom_address { - EEPROMSignature = 0x00, - EEPROMCLK = 0x01, // unused - EEPROMInfo = 0x02, - EEPROMMACAddr = 0x03 -}; - -enum sis190_feature { - F_HAS_RGMII = 1, - F_PHY_88E1111 = 2, - F_PHY_BCM5461 = 4 -}; - -struct sis190_private { - void __iomem *mmio_addr; - struct pci_dev *pci_dev; - struct net_device *dev; - spinlock_t lock; - u32 rx_buf_sz; - u32 cur_rx; - u32 cur_tx; - u32 dirty_rx; - u32 dirty_tx; - dma_addr_t rx_dma; - dma_addr_t tx_dma; - struct RxDesc *RxDescRing; - struct TxDesc *TxDescRing; - struct sk_buff *Rx_skbuff[NUM_RX_DESC]; - struct sk_buff *Tx_skbuff[NUM_TX_DESC]; - struct work_struct phy_task; - struct timer_list timer; - u32 msg_enable; - struct mii_if_info mii_if; - struct list_head first_phy; - u32 features; - u32 negotiated_lpa; - enum { - LNK_OFF, - LNK_ON, - LNK_AUTONEG, - } link_status; -}; - -struct sis190_phy { - struct list_head list; - int phy_id; - u16 id[2]; - u16 status; - u8 type; -}; - -enum sis190_phy_type { - UNKNOWN = 0x00, - HOME = 0x01, - LAN = 0x02, - MIX = 0x03 -}; - -static struct mii_chip_info { - const char *name; - u16 id[2]; - unsigned int type; - u32 feature; -} mii_chip_table[] = { - { "Atheros PHY", { 0x004d, 0xd010 }, LAN, 0 }, - { "Atheros PHY AR8012", { 0x004d, 0xd020 }, LAN, 0 }, - { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 }, - { "Broadcom PHY AC131", { 0x0143, 0xbc70 }, LAN, 0 }, - { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 }, - { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 }, - { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 }, - { NULL, } -}; - -static const struct { - const char *name; -} sis_chip_info[] = { - { "SiS 190 PCI Fast Ethernet adapter" }, - { "SiS 191 PCI Gigabit Ethernet adapter" }, -}; - -static DEFINE_PCI_DEVICE_TABLE(sis190_pci_tbl) = { - { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 }, - { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 }, - { 0, }, -}; - -MODULE_DEVICE_TABLE(pci, sis190_pci_tbl); - -static int rx_copybreak = 200; - -static struct { - u32 msg_enable; -} debug = { -1 }; - -MODULE_DESCRIPTION("SiS sis190/191 Gigabit Ethernet driver"); -module_param(rx_copybreak, int, 0); -MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames"); -module_param_named(debug, debug.msg_enable, int, 0); -MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); -MODULE_AUTHOR("K.M. Liu <kmliu@sis.com>, Ueimor <romieu@fr.zoreil.com>"); -MODULE_VERSION(DRV_VERSION); -MODULE_LICENSE("GPL"); - -static const u32 sis190_intr_mask = - RxQEmpty | RxQInt | TxQ1Int | TxQ0Int | RxHalt | TxHalt | LinkChange; - -/* - * Maximum number of multicast addresses to filter (vs. Rx-all-multicast). - * The chips use a 64 element hash table based on the Ethernet CRC. - */ -static const int multicast_filter_limit = 32; - -static void __mdio_cmd(void __iomem *ioaddr, u32 ctl) -{ - unsigned int i; - - SIS_W32(GMIIControl, ctl); - - msleep(1); - - for (i = 0; i < 100; i++) { - if (!(SIS_R32(GMIIControl) & EhnMIInotDone)) - break; - msleep(1); - } - - if (i > 99) - pr_err("PHY command failed !\n"); -} - -static void mdio_write(void __iomem *ioaddr, int phy_id, int reg, int val) -{ - __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIwrite | - (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift) | - (((u32) val) << EhnMIIdataShift)); -} - -static int mdio_read(void __iomem *ioaddr, int phy_id, int reg) -{ - __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIread | - (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift)); - - return (u16) (SIS_R32(GMIIControl) >> EhnMIIdataShift); -} - -static void __mdio_write(struct net_device *dev, int phy_id, int reg, int val) -{ - struct sis190_private *tp = netdev_priv(dev); - - mdio_write(tp->mmio_addr, phy_id, reg, val); -} - -static int __mdio_read(struct net_device *dev, int phy_id, int reg) -{ - struct sis190_private *tp = netdev_priv(dev); - - return mdio_read(tp->mmio_addr, phy_id, reg); -} - -static u16 mdio_read_latched(void __iomem *ioaddr, int phy_id, int reg) -{ - mdio_read(ioaddr, phy_id, reg); - return mdio_read(ioaddr, phy_id, reg); -} - -static u16 __devinit sis190_read_eeprom(void __iomem *ioaddr, u32 reg) -{ - u16 data = 0xffff; - unsigned int i; - - if (!(SIS_R32(ROMControl) & 0x0002)) - return 0; - - SIS_W32(ROMInterface, EEREQ | EEROP | (reg << 10)); - - for (i = 0; i < 200; i++) { - if (!(SIS_R32(ROMInterface) & EEREQ)) { - data = (SIS_R32(ROMInterface) & 0xffff0000) >> 16; - break; - } - msleep(1); - } - - return data; -} - -static void sis190_irq_mask_and_ack(void __iomem *ioaddr) -{ - SIS_W32(IntrMask, 0x00); - SIS_W32(IntrStatus, 0xffffffff); - SIS_PCI_COMMIT(); -} - -static void sis190_asic_down(void __iomem *ioaddr) -{ - /* Stop the chip's Tx and Rx DMA processes. */ - - SIS_W32(TxControl, 0x1a00); - SIS_W32(RxControl, 0x1a00); - - sis190_irq_mask_and_ack(ioaddr); -} - -static void sis190_mark_as_last_descriptor(struct RxDesc *desc) -{ - desc->size |= cpu_to_le32(RingEnd); -} - -static inline void sis190_give_to_asic(struct RxDesc *desc, u32 rx_buf_sz) -{ - u32 eor = le32_to_cpu(desc->size) & RingEnd; - - desc->PSize = 0x0; - desc->size = cpu_to_le32((rx_buf_sz & RX_BUF_MASK) | eor); - wmb(); - desc->status = cpu_to_le32(OWNbit | INTbit); -} - -static inline void sis190_map_to_asic(struct RxDesc *desc, dma_addr_t mapping, - u32 rx_buf_sz) -{ - desc->addr = cpu_to_le32(mapping); - sis190_give_to_asic(desc, rx_buf_sz); -} - -static inline void sis190_make_unusable_by_asic(struct RxDesc *desc) -{ - desc->PSize = 0x0; - desc->addr = cpu_to_le32(0xdeadbeef); - desc->size &= cpu_to_le32(RingEnd); - wmb(); - desc->status = 0x0; -} - -static struct sk_buff *sis190_alloc_rx_skb(struct sis190_private *tp, - struct RxDesc *desc) -{ - u32 rx_buf_sz = tp->rx_buf_sz; - struct sk_buff *skb; - dma_addr_t mapping; - - skb = netdev_alloc_skb(tp->dev, rx_buf_sz); - if (unlikely(!skb)) - goto skb_alloc_failed; - mapping = pci_map_single(tp->pci_dev, skb->data, tp->rx_buf_sz, - PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(tp->pci_dev, mapping)) - goto out; - sis190_map_to_asic(desc, mapping, rx_buf_sz); - - return skb; - -out: - dev_kfree_skb_any(skb); -skb_alloc_failed: - sis190_make_unusable_by_asic(desc); - return NULL; -} - -static u32 sis190_rx_fill(struct sis190_private *tp, struct net_device *dev, - u32 start, u32 end) -{ - u32 cur; - - for (cur = start; cur < end; cur++) { - unsigned int i = cur % NUM_RX_DESC; - - if (tp->Rx_skbuff[i]) - continue; - - tp->Rx_skbuff[i] = sis190_alloc_rx_skb(tp, tp->RxDescRing + i); - - if (!tp->Rx_skbuff[i]) - break; - } - return cur - start; -} - -static bool sis190_try_rx_copy(struct sis190_private *tp, - struct sk_buff **sk_buff, int pkt_size, - dma_addr_t addr) -{ - struct sk_buff *skb; - bool done = false; - - if (pkt_size >= rx_copybreak) - goto out; - - skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size); - if (!skb) - goto out; - - pci_dma_sync_single_for_cpu(tp->pci_dev, addr, tp->rx_buf_sz, - PCI_DMA_FROMDEVICE); - skb_copy_to_linear_data(skb, sk_buff[0]->data, pkt_size); - *sk_buff = skb; - done = true; -out: - return done; -} - -static inline int sis190_rx_pkt_err(u32 status, struct net_device_stats *stats) -{ -#define ErrMask (OVRUN | SHORT | LIMIT | MIIER | NIBON | COLON | ABORT) - - if ((status & CRCOK) && !(status & ErrMask)) - return 0; - - if (!(status & CRCOK)) - stats->rx_crc_errors++; - else if (status & OVRUN) - stats->rx_over_errors++; - else if (status & (SHORT | LIMIT)) - stats->rx_length_errors++; - else if (status & (MIIER | NIBON | COLON)) - stats->rx_frame_errors++; - - stats->rx_errors++; - return -1; -} - -static int sis190_rx_interrupt(struct net_device *dev, - struct sis190_private *tp, void __iomem *ioaddr) -{ - struct net_device_stats *stats = &dev->stats; - u32 rx_left, cur_rx = tp->cur_rx; - u32 delta, count; - - rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx; - rx_left = sis190_rx_quota(rx_left, (u32) dev->quota); - - for (; rx_left > 0; rx_left--, cur_rx++) { - unsigned int entry = cur_rx % NUM_RX_DESC; - struct RxDesc *desc = tp->RxDescRing + entry; - u32 status; - - if (le32_to_cpu(desc->status) & OWNbit) - break; - - status = le32_to_cpu(desc->PSize); - - //netif_info(tp, intr, dev, "Rx PSize = %08x\n", status); - - if (sis190_rx_pkt_err(status, stats) < 0) - sis190_give_to_asic(desc, tp->rx_buf_sz); - else { - struct sk_buff *skb = tp->Rx_skbuff[entry]; - dma_addr_t addr = le32_to_cpu(desc->addr); - int pkt_size = (status & RxSizeMask) - 4; - struct pci_dev *pdev = tp->pci_dev; - - if (unlikely(pkt_size > tp->rx_buf_sz)) { - netif_info(tp, intr, dev, - "(frag) status = %08x\n", status); - stats->rx_dropped++; - stats->rx_length_errors++; - sis190_give_to_asic(desc, tp->rx_buf_sz); - continue; - } - - - if (sis190_try_rx_copy(tp, &skb, pkt_size, addr)) { - pci_dma_sync_single_for_device(pdev, addr, - tp->rx_buf_sz, PCI_DMA_FROMDEVICE); - sis190_give_to_asic(desc, tp->rx_buf_sz); - } else { - pci_unmap_single(pdev, addr, tp->rx_buf_sz, - PCI_DMA_FROMDEVICE); - tp->Rx_skbuff[entry] = NULL; - sis190_make_unusable_by_asic(desc); - } - - skb_put(skb, pkt_size); - skb->protocol = eth_type_trans(skb, dev); - - sis190_rx_skb(skb); - - stats->rx_packets++; - stats->rx_bytes += pkt_size; - if ((status & BCAST) == MCAST) - stats->multicast++; - } - } - count = cur_rx - tp->cur_rx; - tp->cur_rx = cur_rx; - - delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx); - if (!delta && count) - netif_info(tp, intr, dev, "no Rx buffer allocated\n"); - tp->dirty_rx += delta; - - if ((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) - netif_emerg(tp, intr, dev, "Rx buffers exhausted\n"); - - return count; -} - -static void sis190_unmap_tx_skb(struct pci_dev *pdev, struct sk_buff *skb, - struct TxDesc *desc) -{ - unsigned int len; - - len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; - - pci_unmap_single(pdev, le32_to_cpu(desc->addr), len, PCI_DMA_TODEVICE); - - memset(desc, 0x00, sizeof(*desc)); -} - -static inline int sis190_tx_pkt_err(u32 status, struct net_device_stats *stats) -{ -#define TxErrMask (WND | TABRT | FIFO | LINK) - - if (!unlikely(status & TxErrMask)) - return 0; - - if (status & WND) - stats->tx_window_errors++; - if (status & TABRT) - stats->tx_aborted_errors++; - if (status & FIFO) - stats->tx_fifo_errors++; - if (status & LINK) - stats->tx_carrier_errors++; - - stats->tx_errors++; - - return -1; -} - -static void sis190_tx_interrupt(struct net_device *dev, - struct sis190_private *tp, void __iomem *ioaddr) -{ - struct net_device_stats *stats = &dev->stats; - u32 pending, dirty_tx = tp->dirty_tx; - /* - * It would not be needed if queueing was allowed to be enabled - * again too early (hint: think preempt and unclocked smp systems). - */ - unsigned int queue_stopped; - - smp_rmb(); - pending = tp->cur_tx - dirty_tx; - queue_stopped = (pending == NUM_TX_DESC); - - for (; pending; pending--, dirty_tx++) { - unsigned int entry = dirty_tx % NUM_TX_DESC; - struct TxDesc *txd = tp->TxDescRing + entry; - u32 status = le32_to_cpu(txd->status); - struct sk_buff *skb; - - if (status & OWNbit) - break; - - skb = tp->Tx_skbuff[entry]; - - if (likely(sis190_tx_pkt_err(status, stats) == 0)) { - stats->tx_packets++; - stats->tx_bytes += skb->len; - stats->collisions += ((status & ColCountMask) - 1); - } - - sis190_unmap_tx_skb(tp->pci_dev, skb, txd); - tp->Tx_skbuff[entry] = NULL; - dev_kfree_skb_irq(skb); - } - - if (tp->dirty_tx != dirty_tx) { - tp->dirty_tx = dirty_tx; - smp_wmb(); - if (queue_stopped) - netif_wake_queue(dev); - } -} - -/* - * The interrupt handler does all of the Rx thread work and cleans up after - * the Tx thread. - */ -static irqreturn_t sis190_interrupt(int irq, void *__dev) -{ - struct net_device *dev = __dev; - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned int handled = 0; - u32 status; - - status = SIS_R32(IntrStatus); - - if ((status == 0xffffffff) || !status) - goto out; - - handled = 1; - - if (unlikely(!netif_running(dev))) { - sis190_asic_down(ioaddr); - goto out; - } - - SIS_W32(IntrStatus, status); - -// netif_info(tp, intr, dev, "status = %08x\n", status); - - if (status & LinkChange) { - netif_info(tp, intr, dev, "link change\n"); - del_timer(&tp->timer); - schedule_work(&tp->phy_task); - } - - if (status & RxQInt) - sis190_rx_interrupt(dev, tp, ioaddr); - - if (status & TxQ0Int) - sis190_tx_interrupt(dev, tp, ioaddr); -out: - return IRQ_RETVAL(handled); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void sis190_netpoll(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - struct pci_dev *pdev = tp->pci_dev; - - disable_irq(pdev->irq); - sis190_interrupt(pdev->irq, dev); - enable_irq(pdev->irq); -} -#endif - -static void sis190_free_rx_skb(struct sis190_private *tp, - struct sk_buff **sk_buff, struct RxDesc *desc) -{ - struct pci_dev *pdev = tp->pci_dev; - - pci_unmap_single(pdev, le32_to_cpu(desc->addr), tp->rx_buf_sz, - PCI_DMA_FROMDEVICE); - dev_kfree_skb(*sk_buff); - *sk_buff = NULL; - sis190_make_unusable_by_asic(desc); -} - -static void sis190_rx_clear(struct sis190_private *tp) -{ - unsigned int i; - - for (i = 0; i < NUM_RX_DESC; i++) { - if (!tp->Rx_skbuff[i]) - continue; - sis190_free_rx_skb(tp, tp->Rx_skbuff + i, tp->RxDescRing + i); - } -} - -static void sis190_init_ring_indexes(struct sis190_private *tp) -{ - tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0; -} - -static int sis190_init_ring(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - - sis190_init_ring_indexes(tp); - - memset(tp->Tx_skbuff, 0x0, NUM_TX_DESC * sizeof(struct sk_buff *)); - memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *)); - - if (sis190_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC) - goto err_rx_clear; - - sis190_mark_as_last_descriptor(tp->RxDescRing + NUM_RX_DESC - 1); - - return 0; - -err_rx_clear: - sis190_rx_clear(tp); - return -ENOMEM; -} - -static void sis190_set_rx_mode(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned long flags; - u32 mc_filter[2]; /* Multicast hash filter */ - u16 rx_mode; - - if (dev->flags & IFF_PROMISC) { - rx_mode = - AcceptBroadcast | AcceptMulticast | AcceptMyPhys | - AcceptAllPhys; - mc_filter[1] = mc_filter[0] = 0xffffffff; - } else if ((netdev_mc_count(dev) > multicast_filter_limit) || - (dev->flags & IFF_ALLMULTI)) { - /* Too many to filter perfectly -- accept all multicasts. */ - rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; - mc_filter[1] = mc_filter[0] = 0xffffffff; - } else { - struct netdev_hw_addr *ha; - - rx_mode = AcceptBroadcast | AcceptMyPhys; - mc_filter[1] = mc_filter[0] = 0; - netdev_for_each_mc_addr(ha, dev) { - int bit_nr = - ether_crc(ETH_ALEN, ha->addr) & 0x3f; - mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); - rx_mode |= AcceptMulticast; - } - } - - spin_lock_irqsave(&tp->lock, flags); - - SIS_W16(RxMacControl, rx_mode | 0x2); - SIS_W32(RxHashTable, mc_filter[0]); - SIS_W32(RxHashTable + 4, mc_filter[1]); - - spin_unlock_irqrestore(&tp->lock, flags); -} - -static void sis190_soft_reset(void __iomem *ioaddr) -{ - SIS_W32(IntrControl, 0x8000); - SIS_PCI_COMMIT(); - SIS_W32(IntrControl, 0x0); - sis190_asic_down(ioaddr); -} - -static void sis190_hw_start(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - - sis190_soft_reset(ioaddr); - - SIS_W32(TxDescStartAddr, tp->tx_dma); - SIS_W32(RxDescStartAddr, tp->rx_dma); - - SIS_W32(IntrStatus, 0xffffffff); - SIS_W32(IntrMask, 0x0); - SIS_W32(GMIIControl, 0x0); - SIS_W32(TxMacControl, 0x60); - SIS_W16(RxMacControl, 0x02); - SIS_W32(RxHashTable, 0x0); - SIS_W32(0x6c, 0x0); - SIS_W32(RxWolCtrl, 0x0); - SIS_W32(RxWolData, 0x0); - - SIS_PCI_COMMIT(); - - sis190_set_rx_mode(dev); - - /* Enable all known interrupts by setting the interrupt mask. */ - SIS_W32(IntrMask, sis190_intr_mask); - - SIS_W32(TxControl, 0x1a00 | CmdTxEnb); - SIS_W32(RxControl, 0x1a1d); - - netif_start_queue(dev); -} - -static void sis190_phy_task(struct work_struct *work) -{ - struct sis190_private *tp = - container_of(work, struct sis190_private, phy_task); - struct net_device *dev = tp->dev; - void __iomem *ioaddr = tp->mmio_addr; - int phy_id = tp->mii_if.phy_id; - u16 val; - - rtnl_lock(); - - if (!netif_running(dev)) - goto out_unlock; - - val = mdio_read(ioaddr, phy_id, MII_BMCR); - if (val & BMCR_RESET) { - // FIXME: needlessly high ? -- FR 02/07/2005 - mod_timer(&tp->timer, jiffies + HZ/10); - goto out_unlock; - } - - val = mdio_read_latched(ioaddr, phy_id, MII_BMSR); - if (!(val & BMSR_ANEGCOMPLETE) && tp->link_status != LNK_AUTONEG) { - netif_carrier_off(dev); - netif_warn(tp, link, dev, "auto-negotiating...\n"); - tp->link_status = LNK_AUTONEG; - } else if ((val & BMSR_LSTATUS) && tp->link_status != LNK_ON) { - /* Rejoice ! */ - struct { - int val; - u32 ctl; - const char *msg; - } reg31[] = { - { LPA_1000FULL, 0x07000c00 | 0x00001000, - "1000 Mbps Full Duplex" }, - { LPA_1000HALF, 0x07000c00, - "1000 Mbps Half Duplex" }, - { LPA_100FULL, 0x04000800 | 0x00001000, - "100 Mbps Full Duplex" }, - { LPA_100HALF, 0x04000800, - "100 Mbps Half Duplex" }, - { LPA_10FULL, 0x04000400 | 0x00001000, - "10 Mbps Full Duplex" }, - { LPA_10HALF, 0x04000400, - "10 Mbps Half Duplex" }, - { 0, 0x04000400, "unknown" } - }, *p = NULL; - u16 adv, autoexp, gigadv, gigrec; - - val = mdio_read(ioaddr, phy_id, 0x1f); - netif_info(tp, link, dev, "mii ext = %04x\n", val); - - val = mdio_read(ioaddr, phy_id, MII_LPA); - adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE); - autoexp = mdio_read(ioaddr, phy_id, MII_EXPANSION); - netif_info(tp, link, dev, "mii lpa=%04x adv=%04x exp=%04x\n", - val, adv, autoexp); - - if (val & LPA_NPAGE && autoexp & EXPANSION_NWAY) { - /* check for gigabit speed */ - gigadv = mdio_read(ioaddr, phy_id, MII_CTRL1000); - gigrec = mdio_read(ioaddr, phy_id, MII_STAT1000); - val = (gigadv & (gigrec >> 2)); - if (val & ADVERTISE_1000FULL) - p = reg31; - else if (val & ADVERTISE_1000HALF) - p = reg31 + 1; - } - if (!p) { - val &= adv; - - for (p = reg31; p->val; p++) { - if ((val & p->val) == p->val) - break; - } - } - - p->ctl |= SIS_R32(StationControl) & ~0x0f001c00; - - if ((tp->features & F_HAS_RGMII) && - (tp->features & F_PHY_BCM5461)) { - // Set Tx Delay in RGMII mode. - mdio_write(ioaddr, phy_id, 0x18, 0xf1c7); - udelay(200); - mdio_write(ioaddr, phy_id, 0x1c, 0x8c00); - p->ctl |= 0x03000000; - } - - SIS_W32(StationControl, p->ctl); - - if (tp->features & F_HAS_RGMII) { - SIS_W32(RGDelay, 0x0441); - SIS_W32(RGDelay, 0x0440); - } - - tp->negotiated_lpa = p->val; - - netif_info(tp, link, dev, "link on %s mode\n", p->msg); - netif_carrier_on(dev); - tp->link_status = LNK_ON; - } else if (!(val & BMSR_LSTATUS) && tp->link_status != LNK_AUTONEG) - tp->link_status = LNK_OFF; - mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT); - -out_unlock: - rtnl_unlock(); -} - -static void sis190_phy_timer(unsigned long __opaque) -{ - struct net_device *dev = (struct net_device *)__opaque; - struct sis190_private *tp = netdev_priv(dev); - - if (likely(netif_running(dev))) - schedule_work(&tp->phy_task); -} - -static inline void sis190_delete_timer(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - - del_timer_sync(&tp->timer); -} - -static inline void sis190_request_timer(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - struct timer_list *timer = &tp->timer; - - init_timer(timer); - timer->expires = jiffies + SIS190_PHY_TIMEOUT; - timer->data = (unsigned long)dev; - timer->function = sis190_phy_timer; - add_timer(timer); -} - -static void sis190_set_rxbufsize(struct sis190_private *tp, - struct net_device *dev) -{ - unsigned int mtu = dev->mtu; - - tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE; - /* RxDesc->size has a licence to kill the lower bits */ - if (tp->rx_buf_sz & 0x07) { - tp->rx_buf_sz += 8; - tp->rx_buf_sz &= RX_BUF_MASK; - } -} - -static int sis190_open(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - struct pci_dev *pdev = tp->pci_dev; - int rc = -ENOMEM; - - sis190_set_rxbufsize(tp, dev); - - /* - * Rx and Tx descriptors need 256 bytes alignment. - * pci_alloc_consistent() guarantees a stronger alignment. - */ - tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma); - if (!tp->TxDescRing) - goto out; - - tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma); - if (!tp->RxDescRing) - goto err_free_tx_0; - - rc = sis190_init_ring(dev); - if (rc < 0) - goto err_free_rx_1; - - sis190_request_timer(dev); - - rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev); - if (rc < 0) - goto err_release_timer_2; - - sis190_hw_start(dev); -out: - return rc; - -err_release_timer_2: - sis190_delete_timer(dev); - sis190_rx_clear(tp); -err_free_rx_1: - pci_free_consistent(tp->pci_dev, RX_RING_BYTES, tp->RxDescRing, - tp->rx_dma); -err_free_tx_0: - pci_free_consistent(tp->pci_dev, TX_RING_BYTES, tp->TxDescRing, - tp->tx_dma); - goto out; -} - -static void sis190_tx_clear(struct sis190_private *tp) -{ - unsigned int i; - - for (i = 0; i < NUM_TX_DESC; i++) { - struct sk_buff *skb = tp->Tx_skbuff[i]; - - if (!skb) - continue; - - sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i); - tp->Tx_skbuff[i] = NULL; - dev_kfree_skb(skb); - - tp->dev->stats.tx_dropped++; - } - tp->cur_tx = tp->dirty_tx = 0; -} - -static void sis190_down(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned int poll_locked = 0; - - sis190_delete_timer(dev); - - netif_stop_queue(dev); - - do { - spin_lock_irq(&tp->lock); - - sis190_asic_down(ioaddr); - - spin_unlock_irq(&tp->lock); - - synchronize_irq(dev->irq); - - if (!poll_locked) - poll_locked++; - - synchronize_sched(); - - } while (SIS_R32(IntrMask)); - - sis190_tx_clear(tp); - sis190_rx_clear(tp); -} - -static int sis190_close(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - struct pci_dev *pdev = tp->pci_dev; - - sis190_down(dev); - - free_irq(dev->irq, dev); - - pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma); - pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma); - - tp->TxDescRing = NULL; - tp->RxDescRing = NULL; - - return 0; -} - -static netdev_tx_t sis190_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u32 len, entry, dirty_tx; - struct TxDesc *desc; - dma_addr_t mapping; - - if (unlikely(skb->len < ETH_ZLEN)) { - if (skb_padto(skb, ETH_ZLEN)) { - dev->stats.tx_dropped++; - goto out; - } - len = ETH_ZLEN; - } else { - len = skb->len; - } - - entry = tp->cur_tx % NUM_TX_DESC; - desc = tp->TxDescRing + entry; - - if (unlikely(le32_to_cpu(desc->status) & OWNbit)) { - netif_stop_queue(dev); - netif_err(tp, tx_err, dev, - "BUG! Tx Ring full when queue awake!\n"); - return NETDEV_TX_BUSY; - } - - mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(tp->pci_dev, mapping)) { - netif_err(tp, tx_err, dev, - "PCI mapping failed, dropping packet"); - return NETDEV_TX_BUSY; - } - - tp->Tx_skbuff[entry] = skb; - - desc->PSize = cpu_to_le32(len); - desc->addr = cpu_to_le32(mapping); - - desc->size = cpu_to_le32(len); - if (entry == (NUM_TX_DESC - 1)) - desc->size |= cpu_to_le32(RingEnd); - - wmb(); - - desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit); - if (tp->negotiated_lpa & (LPA_1000HALF | LPA_100HALF | LPA_10HALF)) { - /* Half Duplex */ - desc->status |= cpu_to_le32(COLEN | CRSEN | BKFEN); - if (tp->negotiated_lpa & (LPA_1000HALF | LPA_1000FULL)) - desc->status |= cpu_to_le32(EXTEN | BSTEN); /* gigabit HD */ - } - - tp->cur_tx++; - - smp_wmb(); - - SIS_W32(TxControl, 0x1a00 | CmdReset | CmdTxEnb); - - dirty_tx = tp->dirty_tx; - if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) { - netif_stop_queue(dev); - smp_rmb(); - if (dirty_tx != tp->dirty_tx) - netif_wake_queue(dev); - } -out: - return NETDEV_TX_OK; -} - -static void sis190_free_phy(struct list_head *first_phy) -{ - struct sis190_phy *cur, *next; - - list_for_each_entry_safe(cur, next, first_phy, list) { - kfree(cur); - } -} - -/** - * sis190_default_phy - Select default PHY for sis190 mac. - * @dev: the net device to probe for - * - * Select first detected PHY with link as default. - * If no one is link on, select PHY whose types is HOME as default. - * If HOME doesn't exist, select LAN. - */ -static u16 sis190_default_phy(struct net_device *dev) -{ - struct sis190_phy *phy, *phy_home, *phy_default, *phy_lan; - struct sis190_private *tp = netdev_priv(dev); - struct mii_if_info *mii_if = &tp->mii_if; - void __iomem *ioaddr = tp->mmio_addr; - u16 status; - - phy_home = phy_default = phy_lan = NULL; - - list_for_each_entry(phy, &tp->first_phy, list) { - status = mdio_read_latched(ioaddr, phy->phy_id, MII_BMSR); - - // Link ON & Not select default PHY & not ghost PHY. - if ((status & BMSR_LSTATUS) && - !phy_default && - (phy->type != UNKNOWN)) { - phy_default = phy; - } else { - status = mdio_read(ioaddr, phy->phy_id, MII_BMCR); - mdio_write(ioaddr, phy->phy_id, MII_BMCR, - status | BMCR_ANENABLE | BMCR_ISOLATE); - if (phy->type == HOME) - phy_home = phy; - else if (phy->type == LAN) - phy_lan = phy; - } - } - - if (!phy_default) { - if (phy_home) - phy_default = phy_home; - else if (phy_lan) - phy_default = phy_lan; - else - phy_default = list_first_entry(&tp->first_phy, - struct sis190_phy, list); - } - - if (mii_if->phy_id != phy_default->phy_id) { - mii_if->phy_id = phy_default->phy_id; - if (netif_msg_probe(tp)) - pr_info("%s: Using transceiver at address %d as default\n", - pci_name(tp->pci_dev), mii_if->phy_id); - } - - status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR); - status &= (~BMCR_ISOLATE); - - mdio_write(ioaddr, mii_if->phy_id, MII_BMCR, status); - status = mdio_read_latched(ioaddr, mii_if->phy_id, MII_BMSR); - - return status; -} - -static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp, - struct sis190_phy *phy, unsigned int phy_id, - u16 mii_status) -{ - void __iomem *ioaddr = tp->mmio_addr; - struct mii_chip_info *p; - - INIT_LIST_HEAD(&phy->list); - phy->status = mii_status; - phy->phy_id = phy_id; - - phy->id[0] = mdio_read(ioaddr, phy_id, MII_PHYSID1); - phy->id[1] = mdio_read(ioaddr, phy_id, MII_PHYSID2); - - for (p = mii_chip_table; p->type; p++) { - if ((p->id[0] == phy->id[0]) && - (p->id[1] == (phy->id[1] & 0xfff0))) { - break; - } - } - - if (p->id[1]) { - phy->type = (p->type == MIX) ? - ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ? - LAN : HOME) : p->type; - tp->features |= p->feature; - if (netif_msg_probe(tp)) - pr_info("%s: %s transceiver at address %d\n", - pci_name(tp->pci_dev), p->name, phy_id); - } else { - phy->type = UNKNOWN; - if (netif_msg_probe(tp)) - pr_info("%s: unknown PHY 0x%x:0x%x transceiver at address %d\n", - pci_name(tp->pci_dev), - phy->id[0], (phy->id[1] & 0xfff0), phy_id); - } -} - -static void sis190_mii_probe_88e1111_fixup(struct sis190_private *tp) -{ - if (tp->features & F_PHY_88E1111) { - void __iomem *ioaddr = tp->mmio_addr; - int phy_id = tp->mii_if.phy_id; - u16 reg[2][2] = { - { 0x808b, 0x0ce1 }, - { 0x808f, 0x0c60 } - }, *p; - - p = (tp->features & F_HAS_RGMII) ? reg[0] : reg[1]; - - mdio_write(ioaddr, phy_id, 0x1b, p[0]); - udelay(200); - mdio_write(ioaddr, phy_id, 0x14, p[1]); - udelay(200); - } -} - -/** - * sis190_mii_probe - Probe MII PHY for sis190 - * @dev: the net device to probe for - * - * Search for total of 32 possible mii phy addresses. - * Identify and set current phy if found one, - * return error if it failed to found. - */ -static int __devinit sis190_mii_probe(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - struct mii_if_info *mii_if = &tp->mii_if; - void __iomem *ioaddr = tp->mmio_addr; - int phy_id; - int rc = 0; - - INIT_LIST_HEAD(&tp->first_phy); - - for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) { - struct sis190_phy *phy; - u16 status; - - status = mdio_read_latched(ioaddr, phy_id, MII_BMSR); - - // Try next mii if the current one is not accessible. - if (status == 0xffff || status == 0x0000) - continue; - - phy = kmalloc(sizeof(*phy), GFP_KERNEL); - if (!phy) { - sis190_free_phy(&tp->first_phy); - rc = -ENOMEM; - goto out; - } - - sis190_init_phy(dev, tp, phy, phy_id, status); - - list_add(&tp->first_phy, &phy->list); - } - - if (list_empty(&tp->first_phy)) { - if (netif_msg_probe(tp)) - pr_info("%s: No MII transceivers found!\n", - pci_name(tp->pci_dev)); - rc = -EIO; - goto out; - } - - /* Select default PHY for mac */ - sis190_default_phy(dev); - - sis190_mii_probe_88e1111_fixup(tp); - - mii_if->dev = dev; - mii_if->mdio_read = __mdio_read; - mii_if->mdio_write = __mdio_write; - mii_if->phy_id_mask = PHY_ID_ANY; - mii_if->reg_num_mask = MII_REG_ANY; -out: - return rc; -} - -static void sis190_mii_remove(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - - sis190_free_phy(&tp->first_phy); -} - -static void sis190_release_board(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct sis190_private *tp = netdev_priv(dev); - - iounmap(tp->mmio_addr); - pci_release_regions(pdev); - pci_disable_device(pdev); - free_netdev(dev); -} - -static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev) -{ - struct sis190_private *tp; - struct net_device *dev; - void __iomem *ioaddr; - int rc; - - dev = alloc_etherdev(sizeof(*tp)); - if (!dev) { - rc = -ENOMEM; - goto err_out_0; - } - - SET_NETDEV_DEV(dev, &pdev->dev); - - tp = netdev_priv(dev); - tp->dev = dev; - tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT); - - rc = pci_enable_device(pdev); - if (rc < 0) { - if (netif_msg_probe(tp)) - pr_err("%s: enable failure\n", pci_name(pdev)); - goto err_free_dev_1; - } - - rc = -ENODEV; - - if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { - if (netif_msg_probe(tp)) - pr_err("%s: region #0 is no MMIO resource\n", - pci_name(pdev)); - goto err_pci_disable_2; - } - if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) { - if (netif_msg_probe(tp)) - pr_err("%s: invalid PCI region size(s)\n", - pci_name(pdev)); - goto err_pci_disable_2; - } - - rc = pci_request_regions(pdev, DRV_NAME); - if (rc < 0) { - if (netif_msg_probe(tp)) - pr_err("%s: could not request regions\n", - pci_name(pdev)); - goto err_pci_disable_2; - } - - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc < 0) { - if (netif_msg_probe(tp)) - pr_err("%s: DMA configuration failed\n", - pci_name(pdev)); - goto err_free_res_3; - } - - pci_set_master(pdev); - - ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE); - if (!ioaddr) { - if (netif_msg_probe(tp)) - pr_err("%s: cannot remap MMIO, aborting\n", - pci_name(pdev)); - rc = -EIO; - goto err_free_res_3; - } - - tp->pci_dev = pdev; - tp->mmio_addr = ioaddr; - tp->link_status = LNK_OFF; - - sis190_irq_mask_and_ack(ioaddr); - - sis190_soft_reset(ioaddr); -out: - return dev; - -err_free_res_3: - pci_release_regions(pdev); -err_pci_disable_2: - pci_disable_device(pdev); -err_free_dev_1: - free_netdev(dev); -err_out_0: - dev = ERR_PTR(rc); - goto out; -} - -static void sis190_tx_timeout(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u8 tmp8; - - /* Disable Tx, if not already */ - tmp8 = SIS_R8(TxControl); - if (tmp8 & CmdTxEnb) - SIS_W8(TxControl, tmp8 & ~CmdTxEnb); - - netif_info(tp, tx_err, dev, "Transmit timeout, status %08x %08x\n", - SIS_R32(TxControl), SIS_R32(TxSts)); - - /* Disable interrupts by clearing the interrupt mask. */ - SIS_W32(IntrMask, 0x0000); - - /* Stop a shared interrupt from scavenging while we are. */ - spin_lock_irq(&tp->lock); - sis190_tx_clear(tp); - spin_unlock_irq(&tp->lock); - - /* ...and finally, reset everything. */ - sis190_hw_start(dev); - - netif_wake_queue(dev); -} - -static void sis190_set_rgmii(struct sis190_private *tp, u8 reg) -{ - tp->features |= (reg & 0x80) ? F_HAS_RGMII : 0; -} - -static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev, - struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u16 sig; - int i; - - if (netif_msg_probe(tp)) - pr_info("%s: Read MAC address from EEPROM\n", pci_name(pdev)); - - /* Check to see if there is a sane EEPROM */ - sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature); - - if ((sig == 0xffff) || (sig == 0x0000)) { - if (netif_msg_probe(tp)) - pr_info("%s: Error EEPROM read %x\n", - pci_name(pdev), sig); - return -EIO; - } - - /* Get MAC address from EEPROM */ - for (i = 0; i < ETH_ALEN / 2; i++) { - u16 w = sis190_read_eeprom(ioaddr, EEPROMMACAddr + i); - - ((__le16 *)dev->dev_addr)[i] = cpu_to_le16(w); - } - - sis190_set_rgmii(tp, sis190_read_eeprom(ioaddr, EEPROMInfo)); - - return 0; -} - -/** - * sis190_get_mac_addr_from_apc - Get MAC address for SiS96x model - * @pdev: PCI device - * @dev: network device to get address for - * - * SiS96x model, use APC CMOS RAM to store MAC address. - * APC CMOS RAM is accessed through ISA bridge. - * MAC address is read into @net_dev->dev_addr. - */ -static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev, - struct net_device *dev) -{ - static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 }; - struct sis190_private *tp = netdev_priv(dev); - struct pci_dev *isa_bridge; - u8 reg, tmp8; - unsigned int i; - - if (netif_msg_probe(tp)) - pr_info("%s: Read MAC address from APC\n", pci_name(pdev)); - - for (i = 0; i < ARRAY_SIZE(ids); i++) { - isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, ids[i], NULL); - if (isa_bridge) - break; - } - - if (!isa_bridge) { - if (netif_msg_probe(tp)) - pr_info("%s: Can not find ISA bridge\n", - pci_name(pdev)); - return -EIO; - } - - /* Enable port 78h & 79h to access APC Registers. */ - pci_read_config_byte(isa_bridge, 0x48, &tmp8); - reg = (tmp8 & ~0x02); - pci_write_config_byte(isa_bridge, 0x48, reg); - udelay(50); - pci_read_config_byte(isa_bridge, 0x48, ®); - - for (i = 0; i < ETH_ALEN; i++) { - outb(0x9 + i, 0x78); - dev->dev_addr[i] = inb(0x79); - } - - outb(0x12, 0x78); - reg = inb(0x79); - - sis190_set_rgmii(tp, reg); - - /* Restore the value to ISA Bridge */ - pci_write_config_byte(isa_bridge, 0x48, tmp8); - pci_dev_put(isa_bridge); - - return 0; -} - -/** - * sis190_init_rxfilter - Initialize the Rx filter - * @dev: network device to initialize - * - * Set receive filter address to our MAC address - * and enable packet filtering. - */ -static inline void sis190_init_rxfilter(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u16 ctl; - int i; - - ctl = SIS_R16(RxMacControl); - /* - * Disable packet filtering before setting filter. - * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits - * only and followed by RxMacAddr (6 bytes). Strange. -- FR - */ - SIS_W16(RxMacControl, ctl & ~0x0f00); - - for (i = 0; i < ETH_ALEN; i++) - SIS_W8(RxMacAddr + i, dev->dev_addr[i]); - - SIS_W16(RxMacControl, ctl); - SIS_PCI_COMMIT(); -} - -static int __devinit sis190_get_mac_addr(struct pci_dev *pdev, - struct net_device *dev) -{ - int rc; - - rc = sis190_get_mac_addr_from_eeprom(pdev, dev); - if (rc < 0) { - u8 reg; - - pci_read_config_byte(pdev, 0x73, ®); - - if (reg & 0x00000001) - rc = sis190_get_mac_addr_from_apc(pdev, dev); - } - return rc; -} - -static void sis190_set_speed_auto(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - int phy_id = tp->mii_if.phy_id; - int val; - - netif_info(tp, link, dev, "Enabling Auto-negotiation\n"); - - val = mdio_read(ioaddr, phy_id, MII_ADVERTISE); - - // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0 - // unchanged. - mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) | - ADVERTISE_100FULL | ADVERTISE_10FULL | - ADVERTISE_100HALF | ADVERTISE_10HALF); - - // Enable 1000 Full Mode. - mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL); - - // Enable auto-negotiation and restart auto-negotiation. - mdio_write(ioaddr, phy_id, MII_BMCR, - BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET); -} - -static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct sis190_private *tp = netdev_priv(dev); - - return mii_ethtool_gset(&tp->mii_if, cmd); -} - -static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct sis190_private *tp = netdev_priv(dev); - - return mii_ethtool_sset(&tp->mii_if, cmd); -} - -static void sis190_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct sis190_private *tp = netdev_priv(dev); - - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, pci_name(tp->pci_dev), - sizeof(info->bus_info)); -} - -static int sis190_get_regs_len(struct net_device *dev) -{ - return SIS190_REGS_SIZE; -} - -static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs, - void *p) -{ - struct sis190_private *tp = netdev_priv(dev); - unsigned long flags; - - if (regs->len > SIS190_REGS_SIZE) - regs->len = SIS190_REGS_SIZE; - - spin_lock_irqsave(&tp->lock, flags); - memcpy_fromio(p, tp->mmio_addr, regs->len); - spin_unlock_irqrestore(&tp->lock, flags); -} - -static int sis190_nway_reset(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - - return mii_nway_restart(&tp->mii_if); -} - -static u32 sis190_get_msglevel(struct net_device *dev) -{ - struct sis190_private *tp = netdev_priv(dev); - - return tp->msg_enable; -} - -static void sis190_set_msglevel(struct net_device *dev, u32 value) -{ - struct sis190_private *tp = netdev_priv(dev); - - tp->msg_enable = value; -} - -static const struct ethtool_ops sis190_ethtool_ops = { - .get_settings = sis190_get_settings, - .set_settings = sis190_set_settings, - .get_drvinfo = sis190_get_drvinfo, - .get_regs_len = sis190_get_regs_len, - .get_regs = sis190_get_regs, - .get_link = ethtool_op_get_link, - .get_msglevel = sis190_get_msglevel, - .set_msglevel = sis190_set_msglevel, - .nway_reset = sis190_nway_reset, -}; - -static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct sis190_private *tp = netdev_priv(dev); - - return !netif_running(dev) ? -EINVAL : - generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL); -} - -static int sis190_mac_addr(struct net_device *dev, void *p) -{ - int rc; - - rc = eth_mac_addr(dev, p); - if (!rc) - sis190_init_rxfilter(dev); - return rc; -} - -static const struct net_device_ops sis190_netdev_ops = { - .ndo_open = sis190_open, - .ndo_stop = sis190_close, - .ndo_do_ioctl = sis190_ioctl, - .ndo_start_xmit = sis190_start_xmit, - .ndo_tx_timeout = sis190_tx_timeout, - .ndo_set_rx_mode = sis190_set_rx_mode, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = sis190_mac_addr, - .ndo_validate_addr = eth_validate_addr, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = sis190_netpoll, -#endif -}; - -static int __devinit sis190_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - static int printed_version = 0; - struct sis190_private *tp; - struct net_device *dev; - void __iomem *ioaddr; - int rc; - - if (!printed_version) { - if (netif_msg_drv(&debug)) - pr_info(SIS190_DRIVER_NAME " loaded\n"); - printed_version = 1; - } - - dev = sis190_init_board(pdev); - if (IS_ERR(dev)) { - rc = PTR_ERR(dev); - goto out; - } - - pci_set_drvdata(pdev, dev); - - tp = netdev_priv(dev); - ioaddr = tp->mmio_addr; - - rc = sis190_get_mac_addr(pdev, dev); - if (rc < 0) - goto err_release_board; - - sis190_init_rxfilter(dev); - - INIT_WORK(&tp->phy_task, sis190_phy_task); - - dev->netdev_ops = &sis190_netdev_ops; - - SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops); - dev->irq = pdev->irq; - dev->base_addr = (unsigned long) 0xdead; - dev->watchdog_timeo = SIS190_TX_TIMEOUT; - - spin_lock_init(&tp->lock); - - rc = sis190_mii_probe(dev); - if (rc < 0) - goto err_release_board; - - rc = register_netdev(dev); - if (rc < 0) - goto err_remove_mii; - - if (netif_msg_probe(tp)) { - netdev_info(dev, "%s: %s at %p (IRQ: %d), %pM\n", - pci_name(pdev), - sis_chip_info[ent->driver_data].name, - ioaddr, dev->irq, dev->dev_addr); - netdev_info(dev, "%s mode.\n", - (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII"); - } - - netif_carrier_off(dev); - - sis190_set_speed_auto(dev); -out: - return rc; - -err_remove_mii: - sis190_mii_remove(dev); -err_release_board: - sis190_release_board(pdev); - goto out; -} - -static void __devexit sis190_remove_one(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct sis190_private *tp = netdev_priv(dev); - - sis190_mii_remove(dev); - cancel_work_sync(&tp->phy_task); - unregister_netdev(dev); - sis190_release_board(pdev); - pci_set_drvdata(pdev, NULL); -} - -static struct pci_driver sis190_pci_driver = { - .name = DRV_NAME, - .id_table = sis190_pci_tbl, - .probe = sis190_init_one, - .remove = __devexit_p(sis190_remove_one), -}; - -static int __init sis190_init_module(void) -{ - return pci_register_driver(&sis190_pci_driver); -} - -static void __exit sis190_cleanup_module(void) -{ - pci_unregister_driver(&sis190_pci_driver); -} - -module_init(sis190_init_module); -module_exit(sis190_cleanup_module); diff --git a/ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.c b/ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.c deleted file mode 100644 index 5ccf02e7..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.c +++ /dev/null @@ -1,2494 +0,0 @@ -/* sis900.c: A SiS 900/7016 PCI Fast Ethernet driver for Linux. - Copyright 1999 Silicon Integrated System Corporation - Revision: 1.08.10 Apr. 2 2006 - - Modified from the driver which is originally written by Donald Becker. - - This software may be used and distributed according to the terms - of the GNU General Public License (GPL), incorporated herein by reference. - Drivers based on this skeleton fall under the GPL and must retain - the authorship (implicit copyright) notice. - - References: - SiS 7016 Fast Ethernet PCI Bus 10/100 Mbps LAN Controller with OnNow Support, - preliminary Rev. 1.0 Jan. 14, 1998 - SiS 900 Fast Ethernet PCI Bus 10/100 Mbps LAN Single Chip with OnNow Support, - preliminary Rev. 1.0 Nov. 10, 1998 - SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, - preliminary Rev. 1.0 Jan. 18, 1998 - - Rev 1.08.10 Apr. 2 2006 Daniele Venzano add vlan (jumbo packets) support - Rev 1.08.09 Sep. 19 2005 Daniele Venzano add Wake on LAN support - Rev 1.08.08 Jan. 22 2005 Daniele Venzano use netif_msg for debugging messages - Rev 1.08.07 Nov. 2 2003 Daniele Venzano <venza@brownhat.org> add suspend/resume support - Rev 1.08.06 Sep. 24 2002 Mufasa Yang bug fix for Tx timeout & add SiS963 support - Rev 1.08.05 Jun. 6 2002 Mufasa Yang bug fix for read_eeprom & Tx descriptor over-boundary - Rev 1.08.04 Apr. 25 2002 Mufasa Yang <mufasa@sis.com.tw> added SiS962 support - Rev 1.08.03 Feb. 1 2002 Matt Domsch <Matt_Domsch@dell.com> update to use library crc32 function - Rev 1.08.02 Nov. 30 2001 Hui-Fen Hsu workaround for EDB & bug fix for dhcp problem - Rev 1.08.01 Aug. 25 2001 Hui-Fen Hsu update for 630ET & workaround for ICS1893 PHY - Rev 1.08.00 Jun. 11 2001 Hui-Fen Hsu workaround for RTL8201 PHY and some bug fix - Rev 1.07.11 Apr. 2 2001 Hui-Fen Hsu updates PCI drivers to use the new pci_set_dma_mask for kernel 2.4.3 - Rev 1.07.10 Mar. 1 2001 Hui-Fen Hsu <hfhsu@sis.com.tw> some bug fix & 635M/B support - Rev 1.07.09 Feb. 9 2001 Dave Jones <davej@suse.de> PCI enable cleanup - Rev 1.07.08 Jan. 8 2001 Lei-Chun Chang added RTL8201 PHY support - Rev 1.07.07 Nov. 29 2000 Lei-Chun Chang added kernel-doc extractable documentation and 630 workaround fix - Rev 1.07.06 Nov. 7 2000 Jeff Garzik <jgarzik@pobox.com> some bug fix and cleaning - Rev 1.07.05 Nov. 6 2000 metapirat<metapirat@gmx.de> contribute media type select by ifconfig - Rev 1.07.04 Sep. 6 2000 Lei-Chun Chang added ICS1893 PHY support - Rev 1.07.03 Aug. 24 2000 Lei-Chun Chang (lcchang@sis.com.tw) modified 630E equalizer workaround rule - Rev 1.07.01 Aug. 08 2000 Ollie Lho minor update for SiS 630E and SiS 630E A1 - Rev 1.07 Mar. 07 2000 Ollie Lho bug fix in Rx buffer ring - Rev 1.06.04 Feb. 11 2000 Jeff Garzik <jgarzik@pobox.com> softnet and init for kernel 2.4 - Rev 1.06.03 Dec. 23 1999 Ollie Lho Third release - Rev 1.06.02 Nov. 23 1999 Ollie Lho bug in mac probing fixed - Rev 1.06.01 Nov. 16 1999 Ollie Lho CRC calculation provide by Joseph Zbiciak (im14u2c@primenet.com) - Rev 1.06 Nov. 4 1999 Ollie Lho (ollie@sis.com.tw) Second release - Rev 1.05.05 Oct. 29 1999 Ollie Lho (ollie@sis.com.tw) Single buffer Tx/Rx - Chin-Shan Li (lcs@sis.com.tw) Added AMD Am79c901 HomePNA PHY support - Rev 1.05 Aug. 7 1999 Jim Huang (cmhuang@sis.com.tw) Initial release -*/ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/sched.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/init.h> -#include <linux/mii.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/delay.h> -#include <linux/ethtool.h> -#include <linux/crc32.h> -#include <linux/bitops.h> -#include <linux/dma-mapping.h> - -#include <asm/processor.h> /* Processor type for cache alignment. */ -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> /* User space memory access functions */ - -#include "sis900.h" - -#define SIS900_MODULE_NAME "sis900" -#define SIS900_DRV_VERSION "v1.08.10 Apr. 2 2006" - -static const char version[] __devinitconst = - KERN_INFO "sis900.c: " SIS900_DRV_VERSION "\n"; - -static int max_interrupt_work = 40; -static int multicast_filter_limit = 128; - -static int sis900_debug = -1; /* Use SIS900_DEF_MSG as value */ - -#define SIS900_DEF_MSG \ - (NETIF_MSG_DRV | \ - NETIF_MSG_LINK | \ - NETIF_MSG_RX_ERR | \ - NETIF_MSG_TX_ERR) - -/* Time in jiffies before concluding the transmitter is hung. */ -#define TX_TIMEOUT (4*HZ) - -enum { - SIS_900 = 0, - SIS_7016 -}; -static const char * card_names[] = { - "SiS 900 PCI Fast Ethernet", - "SiS 7016 PCI Fast Ethernet" -}; -static DEFINE_PCI_DEVICE_TABLE(sis900_pci_tbl) = { - {PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_900, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, SIS_900}, - {PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7016, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, SIS_7016}, - {0,} -}; -MODULE_DEVICE_TABLE (pci, sis900_pci_tbl); - -static void sis900_read_mode(struct net_device *net_dev, int *speed, int *duplex); - -static const struct mii_chip_info { - const char * name; - u16 phy_id0; - u16 phy_id1; - u8 phy_types; -#define HOME 0x0001 -#define LAN 0x0002 -#define MIX 0x0003 -#define UNKNOWN 0x0 -} mii_chip_table[] = { - { "SiS 900 Internal MII PHY", 0x001d, 0x8000, LAN }, - { "SiS 7014 Physical Layer Solution", 0x0016, 0xf830, LAN }, - { "SiS 900 on Foxconn 661 7MI", 0x0143, 0xBC70, LAN }, - { "Altimata AC101LF PHY", 0x0022, 0x5520, LAN }, - { "ADM 7001 LAN PHY", 0x002e, 0xcc60, LAN }, - { "AMD 79C901 10BASE-T PHY", 0x0000, 0x6B70, LAN }, - { "AMD 79C901 HomePNA PHY", 0x0000, 0x6B90, HOME}, - { "ICS LAN PHY", 0x0015, 0xF440, LAN }, - { "ICS LAN PHY", 0x0143, 0xBC70, LAN }, - { "NS 83851 PHY", 0x2000, 0x5C20, MIX }, - { "NS 83847 PHY", 0x2000, 0x5C30, MIX }, - { "Realtek RTL8201 PHY", 0x0000, 0x8200, LAN }, - { "VIA 6103 PHY", 0x0101, 0x8f20, LAN }, - {NULL,}, -}; - -struct mii_phy { - struct mii_phy * next; - int phy_addr; - u16 phy_id0; - u16 phy_id1; - u16 status; - u8 phy_types; -}; - -typedef struct _BufferDesc { - u32 link; - u32 cmdsts; - u32 bufptr; -} BufferDesc; - -struct sis900_private { - struct pci_dev * pci_dev; - - spinlock_t lock; - - struct mii_phy * mii; - struct mii_phy * first_mii; /* record the first mii structure */ - unsigned int cur_phy; - struct mii_if_info mii_info; - - struct timer_list timer; /* Link status detection timer. */ - u8 autong_complete; /* 1: auto-negotiate complete */ - - u32 msg_enable; - - unsigned int cur_rx, dirty_rx; /* producer/comsumer pointers for Tx/Rx ring */ - unsigned int cur_tx, dirty_tx; - - /* The saved address of a sent/receive-in-place packet buffer */ - struct sk_buff *tx_skbuff[NUM_TX_DESC]; - struct sk_buff *rx_skbuff[NUM_RX_DESC]; - BufferDesc *tx_ring; - BufferDesc *rx_ring; - - dma_addr_t tx_ring_dma; - dma_addr_t rx_ring_dma; - - unsigned int tx_full; /* The Tx queue is full. */ - u8 host_bridge_rev; - u8 chipset_rev; -}; - -MODULE_AUTHOR("Jim Huang <cmhuang@sis.com.tw>, Ollie Lho <ollie@sis.com.tw>"); -MODULE_DESCRIPTION("SiS 900 PCI Fast Ethernet driver"); -MODULE_LICENSE("GPL"); - -module_param(multicast_filter_limit, int, 0444); -module_param(max_interrupt_work, int, 0444); -module_param(sis900_debug, int, 0444); -MODULE_PARM_DESC(multicast_filter_limit, "SiS 900/7016 maximum number of filtered multicast addresses"); -MODULE_PARM_DESC(max_interrupt_work, "SiS 900/7016 maximum events handled per interrupt"); -MODULE_PARM_DESC(sis900_debug, "SiS 900/7016 bitmapped debugging message level"); - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void sis900_poll(struct net_device *dev); -#endif -static int sis900_open(struct net_device *net_dev); -static int sis900_mii_probe (struct net_device * net_dev); -static void sis900_init_rxfilter (struct net_device * net_dev); -static u16 read_eeprom(long ioaddr, int location); -static int mdio_read(struct net_device *net_dev, int phy_id, int location); -static void mdio_write(struct net_device *net_dev, int phy_id, int location, int val); -static void sis900_timer(unsigned long data); -static void sis900_check_mode (struct net_device *net_dev, struct mii_phy *mii_phy); -static void sis900_tx_timeout(struct net_device *net_dev); -static void sis900_init_tx_ring(struct net_device *net_dev); -static void sis900_init_rx_ring(struct net_device *net_dev); -static netdev_tx_t sis900_start_xmit(struct sk_buff *skb, - struct net_device *net_dev); -static int sis900_rx(struct net_device *net_dev); -static void sis900_finish_xmit (struct net_device *net_dev); -static irqreturn_t sis900_interrupt(int irq, void *dev_instance); -static int sis900_close(struct net_device *net_dev); -static int mii_ioctl(struct net_device *net_dev, struct ifreq *rq, int cmd); -static u16 sis900_mcast_bitnr(u8 *addr, u8 revision); -static void set_rx_mode(struct net_device *net_dev); -static void sis900_reset(struct net_device *net_dev); -static void sis630_set_eq(struct net_device *net_dev, u8 revision); -static int sis900_set_config(struct net_device *dev, struct ifmap *map); -static u16 sis900_default_phy(struct net_device * net_dev); -static void sis900_set_capability( struct net_device *net_dev ,struct mii_phy *phy); -static u16 sis900_reset_phy(struct net_device *net_dev, int phy_addr); -static void sis900_auto_negotiate(struct net_device *net_dev, int phy_addr); -static void sis900_set_mode (long ioaddr, int speed, int duplex); -static const struct ethtool_ops sis900_ethtool_ops; - -/** - * sis900_get_mac_addr - Get MAC address for stand alone SiS900 model - * @pci_dev: the sis900 pci device - * @net_dev: the net device to get address for - * - * Older SiS900 and friends, use EEPROM to store MAC address. - * MAC address is read from read_eeprom() into @net_dev->dev_addr and - * @net_dev->perm_addr. - */ - -static int __devinit sis900_get_mac_addr(struct pci_dev * pci_dev, struct net_device *net_dev) -{ - long ioaddr = pci_resource_start(pci_dev, 0); - u16 signature; - int i; - - /* check to see if we have sane EEPROM */ - signature = (u16) read_eeprom(ioaddr, EEPROMSignature); - if (signature == 0xffff || signature == 0x0000) { - printk (KERN_WARNING "%s: Error EERPOM read %x\n", - pci_name(pci_dev), signature); - return 0; - } - - /* get MAC address from EEPROM */ - for (i = 0; i < 3; i++) - ((u16 *)(net_dev->dev_addr))[i] = read_eeprom(ioaddr, i+EEPROMMACAddr); - - /* Store MAC Address in perm_addr */ - memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN); - - return 1; -} - -/** - * sis630e_get_mac_addr - Get MAC address for SiS630E model - * @pci_dev: the sis900 pci device - * @net_dev: the net device to get address for - * - * SiS630E model, use APC CMOS RAM to store MAC address. - * APC CMOS RAM is accessed through ISA bridge. - * MAC address is read into @net_dev->dev_addr and - * @net_dev->perm_addr. - */ - -static int __devinit sis630e_get_mac_addr(struct pci_dev * pci_dev, - struct net_device *net_dev) -{ - struct pci_dev *isa_bridge = NULL; - u8 reg; - int i; - - isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0008, isa_bridge); - if (!isa_bridge) - isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0018, isa_bridge); - if (!isa_bridge) { - printk(KERN_WARNING "%s: Can not find ISA bridge\n", - pci_name(pci_dev)); - return 0; - } - pci_read_config_byte(isa_bridge, 0x48, ®); - pci_write_config_byte(isa_bridge, 0x48, reg | 0x40); - - for (i = 0; i < 6; i++) { - outb(0x09 + i, 0x70); - ((u8 *)(net_dev->dev_addr))[i] = inb(0x71); - } - - /* Store MAC Address in perm_addr */ - memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN); - - pci_write_config_byte(isa_bridge, 0x48, reg & ~0x40); - pci_dev_put(isa_bridge); - - return 1; -} - - -/** - * sis635_get_mac_addr - Get MAC address for SIS635 model - * @pci_dev: the sis900 pci device - * @net_dev: the net device to get address for - * - * SiS635 model, set MAC Reload Bit to load Mac address from APC - * to rfdr. rfdr is accessed through rfcr. MAC address is read into - * @net_dev->dev_addr and @net_dev->perm_addr. - */ - -static int __devinit sis635_get_mac_addr(struct pci_dev * pci_dev, - struct net_device *net_dev) -{ - long ioaddr = net_dev->base_addr; - u32 rfcrSave; - u32 i; - - rfcrSave = inl(rfcr + ioaddr); - - outl(rfcrSave | RELOAD, ioaddr + cr); - outl(0, ioaddr + cr); - - /* disable packet filtering before setting filter */ - outl(rfcrSave & ~RFEN, rfcr + ioaddr); - - /* load MAC addr to filter data register */ - for (i = 0 ; i < 3 ; i++) { - outl((i << RFADDR_shift), ioaddr + rfcr); - *( ((u16 *)net_dev->dev_addr) + i) = inw(ioaddr + rfdr); - } - - /* Store MAC Address in perm_addr */ - memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN); - - /* enable packet filtering */ - outl(rfcrSave | RFEN, rfcr + ioaddr); - - return 1; -} - -/** - * sis96x_get_mac_addr - Get MAC address for SiS962 or SiS963 model - * @pci_dev: the sis900 pci device - * @net_dev: the net device to get address for - * - * SiS962 or SiS963 model, use EEPROM to store MAC address. And EEPROM - * is shared by - * LAN and 1394. When access EEPROM, send EEREQ signal to hardware first - * and wait for EEGNT. If EEGNT is ON, EEPROM is permitted to be access - * by LAN, otherwise is not. After MAC address is read from EEPROM, send - * EEDONE signal to refuse EEPROM access by LAN. - * The EEPROM map of SiS962 or SiS963 is different to SiS900. - * The signature field in SiS962 or SiS963 spec is meaningless. - * MAC address is read into @net_dev->dev_addr and @net_dev->perm_addr. - */ - -static int __devinit sis96x_get_mac_addr(struct pci_dev * pci_dev, - struct net_device *net_dev) -{ - long ioaddr = net_dev->base_addr; - long ee_addr = ioaddr + mear; - u32 waittime = 0; - int i; - - outl(EEREQ, ee_addr); - while(waittime < 2000) { - if(inl(ee_addr) & EEGNT) { - - /* get MAC address from EEPROM */ - for (i = 0; i < 3; i++) - ((u16 *)(net_dev->dev_addr))[i] = read_eeprom(ioaddr, i+EEPROMMACAddr); - - /* Store MAC Address in perm_addr */ - memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN); - - outl(EEDONE, ee_addr); - return 1; - } else { - udelay(1); - waittime ++; - } - } - outl(EEDONE, ee_addr); - return 0; -} - -static const struct net_device_ops sis900_netdev_ops = { - .ndo_open = sis900_open, - .ndo_stop = sis900_close, - .ndo_start_xmit = sis900_start_xmit, - .ndo_set_config = sis900_set_config, - .ndo_set_rx_mode = set_rx_mode, - .ndo_change_mtu = eth_change_mtu, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, - .ndo_do_ioctl = mii_ioctl, - .ndo_tx_timeout = sis900_tx_timeout, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = sis900_poll, -#endif -}; - -/** - * sis900_probe - Probe for sis900 device - * @pci_dev: the sis900 pci device - * @pci_id: the pci device ID - * - * Check and probe sis900 net device for @pci_dev. - * Get mac address according to the chip revision, - * and assign SiS900-specific entries in the device structure. - * ie: sis900_open(), sis900_start_xmit(), sis900_close(), etc. - */ - -static int __devinit sis900_probe(struct pci_dev *pci_dev, - const struct pci_device_id *pci_id) -{ - struct sis900_private *sis_priv; - struct net_device *net_dev; - struct pci_dev *dev; - dma_addr_t ring_dma; - void *ring_space; - long ioaddr; - int i, ret; - const char *card_name = card_names[pci_id->driver_data]; - const char *dev_name = pci_name(pci_dev); - -/* when built into the kernel, we only print version if device is found */ -#ifndef MODULE - static int printed_version; - if (!printed_version++) - printk(version); -#endif - - /* setup various bits in PCI command register */ - ret = pci_enable_device(pci_dev); - if(ret) return ret; - - i = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); - if(i){ - printk(KERN_ERR "sis900.c: architecture does not support " - "32bit PCI busmaster DMA\n"); - return i; - } - - pci_set_master(pci_dev); - - net_dev = alloc_etherdev(sizeof(struct sis900_private)); - if (!net_dev) - return -ENOMEM; - SET_NETDEV_DEV(net_dev, &pci_dev->dev); - - /* We do a request_region() to register /proc/ioports info. */ - ioaddr = pci_resource_start(pci_dev, 0); - ret = pci_request_regions(pci_dev, "sis900"); - if (ret) - goto err_out; - - sis_priv = netdev_priv(net_dev); - net_dev->base_addr = ioaddr; - net_dev->irq = pci_dev->irq; - sis_priv->pci_dev = pci_dev; - spin_lock_init(&sis_priv->lock); - - pci_set_drvdata(pci_dev, net_dev); - - ring_space = pci_alloc_consistent(pci_dev, TX_TOTAL_SIZE, &ring_dma); - if (!ring_space) { - ret = -ENOMEM; - goto err_out_cleardev; - } - sis_priv->tx_ring = ring_space; - sis_priv->tx_ring_dma = ring_dma; - - ring_space = pci_alloc_consistent(pci_dev, RX_TOTAL_SIZE, &ring_dma); - if (!ring_space) { - ret = -ENOMEM; - goto err_unmap_tx; - } - sis_priv->rx_ring = ring_space; - sis_priv->rx_ring_dma = ring_dma; - - /* The SiS900-specific entries in the device structure. */ - net_dev->netdev_ops = &sis900_netdev_ops; - net_dev->watchdog_timeo = TX_TIMEOUT; - net_dev->ethtool_ops = &sis900_ethtool_ops; - - if (sis900_debug > 0) - sis_priv->msg_enable = sis900_debug; - else - sis_priv->msg_enable = SIS900_DEF_MSG; - - sis_priv->mii_info.dev = net_dev; - sis_priv->mii_info.mdio_read = mdio_read; - sis_priv->mii_info.mdio_write = mdio_write; - sis_priv->mii_info.phy_id_mask = 0x1f; - sis_priv->mii_info.reg_num_mask = 0x1f; - - /* Get Mac address according to the chip revision */ - sis_priv->chipset_rev = pci_dev->revision; - if(netif_msg_probe(sis_priv)) - printk(KERN_DEBUG "%s: detected revision %2.2x, " - "trying to get MAC address...\n", - dev_name, sis_priv->chipset_rev); - - ret = 0; - if (sis_priv->chipset_rev == SIS630E_900_REV) - ret = sis630e_get_mac_addr(pci_dev, net_dev); - else if ((sis_priv->chipset_rev > 0x81) && (sis_priv->chipset_rev <= 0x90) ) - ret = sis635_get_mac_addr(pci_dev, net_dev); - else if (sis_priv->chipset_rev == SIS96x_900_REV) - ret = sis96x_get_mac_addr(pci_dev, net_dev); - else - ret = sis900_get_mac_addr(pci_dev, net_dev); - - if (!ret || !is_valid_ether_addr(net_dev->dev_addr)) { - eth_hw_addr_random(net_dev); - printk(KERN_WARNING "%s: Unreadable or invalid MAC address," - "using random generated one\n", dev_name); - } - - /* 630ET : set the mii access mode as software-mode */ - if (sis_priv->chipset_rev == SIS630ET_900_REV) - outl(ACCESSMODE | inl(ioaddr + cr), ioaddr + cr); - - /* probe for mii transceiver */ - if (sis900_mii_probe(net_dev) == 0) { - printk(KERN_WARNING "%s: Error probing MII device.\n", - dev_name); - ret = -ENODEV; - goto err_unmap_rx; - } - - /* save our host bridge revision */ - dev = pci_get_device(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_630, NULL); - if (dev) { - sis_priv->host_bridge_rev = dev->revision; - pci_dev_put(dev); - } - - ret = register_netdev(net_dev); - if (ret) - goto err_unmap_rx; - - /* print some information about our NIC */ - printk(KERN_INFO "%s: %s at %#lx, IRQ %d, %pM\n", - net_dev->name, card_name, ioaddr, net_dev->irq, - net_dev->dev_addr); - - /* Detect Wake on Lan support */ - ret = (inl(net_dev->base_addr + CFGPMC) & PMESP) >> 27; - if (netif_msg_probe(sis_priv) && (ret & PME_D3C) == 0) - printk(KERN_INFO "%s: Wake on LAN only available from suspend to RAM.", net_dev->name); - - return 0; - - err_unmap_rx: - pci_free_consistent(pci_dev, RX_TOTAL_SIZE, sis_priv->rx_ring, - sis_priv->rx_ring_dma); - err_unmap_tx: - pci_free_consistent(pci_dev, TX_TOTAL_SIZE, sis_priv->tx_ring, - sis_priv->tx_ring_dma); - err_out_cleardev: - pci_set_drvdata(pci_dev, NULL); - pci_release_regions(pci_dev); - err_out: - free_netdev(net_dev); - return ret; -} - -/** - * sis900_mii_probe - Probe MII PHY for sis900 - * @net_dev: the net device to probe for - * - * Search for total of 32 possible mii phy addresses. - * Identify and set current phy if found one, - * return error if it failed to found. - */ - -static int __devinit sis900_mii_probe(struct net_device * net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - const char *dev_name = pci_name(sis_priv->pci_dev); - u16 poll_bit = MII_STAT_LINK, status = 0; - unsigned long timeout = jiffies + 5 * HZ; - int phy_addr; - - sis_priv->mii = NULL; - - /* search for total of 32 possible mii phy addresses */ - for (phy_addr = 0; phy_addr < 32; phy_addr++) { - struct mii_phy * mii_phy = NULL; - u16 mii_status; - int i; - - mii_phy = NULL; - for(i = 0; i < 2; i++) - mii_status = mdio_read(net_dev, phy_addr, MII_STATUS); - - if (mii_status == 0xffff || mii_status == 0x0000) { - if (netif_msg_probe(sis_priv)) - printk(KERN_DEBUG "%s: MII at address %d" - " not accessible\n", - dev_name, phy_addr); - continue; - } - - if ((mii_phy = kmalloc(sizeof(struct mii_phy), GFP_KERNEL)) == NULL) { - mii_phy = sis_priv->first_mii; - while (mii_phy) { - struct mii_phy *phy; - phy = mii_phy; - mii_phy = mii_phy->next; - kfree(phy); - } - return 0; - } - - mii_phy->phy_id0 = mdio_read(net_dev, phy_addr, MII_PHY_ID0); - mii_phy->phy_id1 = mdio_read(net_dev, phy_addr, MII_PHY_ID1); - mii_phy->phy_addr = phy_addr; - mii_phy->status = mii_status; - mii_phy->next = sis_priv->mii; - sis_priv->mii = mii_phy; - sis_priv->first_mii = mii_phy; - - for (i = 0; mii_chip_table[i].phy_id1; i++) - if ((mii_phy->phy_id0 == mii_chip_table[i].phy_id0 ) && - ((mii_phy->phy_id1 & 0xFFF0) == mii_chip_table[i].phy_id1)){ - mii_phy->phy_types = mii_chip_table[i].phy_types; - if (mii_chip_table[i].phy_types == MIX) - mii_phy->phy_types = - (mii_status & (MII_STAT_CAN_TX_FDX | MII_STAT_CAN_TX)) ? LAN : HOME; - printk(KERN_INFO "%s: %s transceiver found " - "at address %d.\n", - dev_name, - mii_chip_table[i].name, - phy_addr); - break; - } - - if( !mii_chip_table[i].phy_id1 ) { - printk(KERN_INFO "%s: Unknown PHY transceiver found at address %d.\n", - dev_name, phy_addr); - mii_phy->phy_types = UNKNOWN; - } - } - - if (sis_priv->mii == NULL) { - printk(KERN_INFO "%s: No MII transceivers found!\n", dev_name); - return 0; - } - - /* select default PHY for mac */ - sis_priv->mii = NULL; - sis900_default_phy( net_dev ); - - /* Reset phy if default phy is internal sis900 */ - if ((sis_priv->mii->phy_id0 == 0x001D) && - ((sis_priv->mii->phy_id1&0xFFF0) == 0x8000)) - status = sis900_reset_phy(net_dev, sis_priv->cur_phy); - - /* workaround for ICS1893 PHY */ - if ((sis_priv->mii->phy_id0 == 0x0015) && - ((sis_priv->mii->phy_id1&0xFFF0) == 0xF440)) - mdio_write(net_dev, sis_priv->cur_phy, 0x0018, 0xD200); - - if(status & MII_STAT_LINK){ - while (poll_bit) { - yield(); - - poll_bit ^= (mdio_read(net_dev, sis_priv->cur_phy, MII_STATUS) & poll_bit); - if (time_after_eq(jiffies, timeout)) { - printk(KERN_WARNING "%s: reset phy and link down now\n", - dev_name); - return -ETIME; - } - } - } - - if (sis_priv->chipset_rev == SIS630E_900_REV) { - /* SiS 630E has some bugs on default value of PHY registers */ - mdio_write(net_dev, sis_priv->cur_phy, MII_ANADV, 0x05e1); - mdio_write(net_dev, sis_priv->cur_phy, MII_CONFIG1, 0x22); - mdio_write(net_dev, sis_priv->cur_phy, MII_CONFIG2, 0xff00); - mdio_write(net_dev, sis_priv->cur_phy, MII_MASK, 0xffc0); - //mdio_write(net_dev, sis_priv->cur_phy, MII_CONTROL, 0x1000); - } - - if (sis_priv->mii->status & MII_STAT_LINK) - netif_carrier_on(net_dev); - else - netif_carrier_off(net_dev); - - return 1; -} - -/** - * sis900_default_phy - Select default PHY for sis900 mac. - * @net_dev: the net device to probe for - * - * Select first detected PHY with link as default. - * If no one is link on, select PHY whose types is HOME as default. - * If HOME doesn't exist, select LAN. - */ - -static u16 sis900_default_phy(struct net_device * net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - struct mii_phy *phy = NULL, *phy_home = NULL, - *default_phy = NULL, *phy_lan = NULL; - u16 status; - - for (phy=sis_priv->first_mii; phy; phy=phy->next) { - status = mdio_read(net_dev, phy->phy_addr, MII_STATUS); - status = mdio_read(net_dev, phy->phy_addr, MII_STATUS); - - /* Link ON & Not select default PHY & not ghost PHY */ - if ((status & MII_STAT_LINK) && !default_phy && - (phy->phy_types != UNKNOWN)) - default_phy = phy; - else { - status = mdio_read(net_dev, phy->phy_addr, MII_CONTROL); - mdio_write(net_dev, phy->phy_addr, MII_CONTROL, - status | MII_CNTL_AUTO | MII_CNTL_ISOLATE); - if (phy->phy_types == HOME) - phy_home = phy; - else if(phy->phy_types == LAN) - phy_lan = phy; - } - } - - if (!default_phy && phy_home) - default_phy = phy_home; - else if (!default_phy && phy_lan) - default_phy = phy_lan; - else if (!default_phy) - default_phy = sis_priv->first_mii; - - if (sis_priv->mii != default_phy) { - sis_priv->mii = default_phy; - sis_priv->cur_phy = default_phy->phy_addr; - printk(KERN_INFO "%s: Using transceiver found at address %d as default\n", - pci_name(sis_priv->pci_dev), sis_priv->cur_phy); - } - - sis_priv->mii_info.phy_id = sis_priv->cur_phy; - - status = mdio_read(net_dev, sis_priv->cur_phy, MII_CONTROL); - status &= (~MII_CNTL_ISOLATE); - - mdio_write(net_dev, sis_priv->cur_phy, MII_CONTROL, status); - status = mdio_read(net_dev, sis_priv->cur_phy, MII_STATUS); - status = mdio_read(net_dev, sis_priv->cur_phy, MII_STATUS); - - return status; -} - - -/** - * sis900_set_capability - set the media capability of network adapter. - * @net_dev : the net device to probe for - * @phy : default PHY - * - * Set the media capability of network adapter according to - * mii status register. It's necessary before auto-negotiate. - */ - -static void sis900_set_capability(struct net_device *net_dev, struct mii_phy *phy) -{ - u16 cap; - u16 status; - - status = mdio_read(net_dev, phy->phy_addr, MII_STATUS); - status = mdio_read(net_dev, phy->phy_addr, MII_STATUS); - - cap = MII_NWAY_CSMA_CD | - ((phy->status & MII_STAT_CAN_TX_FDX)? MII_NWAY_TX_FDX:0) | - ((phy->status & MII_STAT_CAN_TX) ? MII_NWAY_TX:0) | - ((phy->status & MII_STAT_CAN_T_FDX) ? MII_NWAY_T_FDX:0)| - ((phy->status & MII_STAT_CAN_T) ? MII_NWAY_T:0); - - mdio_write(net_dev, phy->phy_addr, MII_ANADV, cap); -} - - -/* Delay between EEPROM clock transitions. */ -#define eeprom_delay() inl(ee_addr) - -/** - * read_eeprom - Read Serial EEPROM - * @ioaddr: base i/o address - * @location: the EEPROM location to read - * - * Read Serial EEPROM through EEPROM Access Register. - * Note that location is in word (16 bits) unit - */ - -static u16 __devinit read_eeprom(long ioaddr, int location) -{ - int i; - u16 retval = 0; - long ee_addr = ioaddr + mear; - u32 read_cmd = location | EEread; - - outl(0, ee_addr); - eeprom_delay(); - outl(EECS, ee_addr); - eeprom_delay(); - - /* Shift the read command (9) bits out. */ - for (i = 8; i >= 0; i--) { - u32 dataval = (read_cmd & (1 << i)) ? EEDI | EECS : EECS; - outl(dataval, ee_addr); - eeprom_delay(); - outl(dataval | EECLK, ee_addr); - eeprom_delay(); - } - outl(EECS, ee_addr); - eeprom_delay(); - - /* read the 16-bits data in */ - for (i = 16; i > 0; i--) { - outl(EECS, ee_addr); - eeprom_delay(); - outl(EECS | EECLK, ee_addr); - eeprom_delay(); - retval = (retval << 1) | ((inl(ee_addr) & EEDO) ? 1 : 0); - eeprom_delay(); - } - - /* Terminate the EEPROM access. */ - outl(0, ee_addr); - eeprom_delay(); - - return retval; -} - -/* Read and write the MII management registers using software-generated - serial MDIO protocol. Note that the command bits and data bits are - send out separately */ -#define mdio_delay() inl(mdio_addr) - -static void mdio_idle(long mdio_addr) -{ - outl(MDIO | MDDIR, mdio_addr); - mdio_delay(); - outl(MDIO | MDDIR | MDC, mdio_addr); -} - -/* Syncronize the MII management interface by shifting 32 one bits out. */ -static void mdio_reset(long mdio_addr) -{ - int i; - - for (i = 31; i >= 0; i--) { - outl(MDDIR | MDIO, mdio_addr); - mdio_delay(); - outl(MDDIR | MDIO | MDC, mdio_addr); - mdio_delay(); - } -} - -/** - * mdio_read - read MII PHY register - * @net_dev: the net device to read - * @phy_id: the phy address to read - * @location: the phy regiester id to read - * - * Read MII registers through MDIO and MDC - * using MDIO management frame structure and protocol(defined by ISO/IEC). - * Please see SiS7014 or ICS spec - */ - -static int mdio_read(struct net_device *net_dev, int phy_id, int location) -{ - long mdio_addr = net_dev->base_addr + mear; - int mii_cmd = MIIread|(phy_id<<MIIpmdShift)|(location<<MIIregShift); - u16 retval = 0; - int i; - - mdio_reset(mdio_addr); - mdio_idle(mdio_addr); - - for (i = 15; i >= 0; i--) { - int dataval = (mii_cmd & (1 << i)) ? MDDIR | MDIO : MDDIR; - outl(dataval, mdio_addr); - mdio_delay(); - outl(dataval | MDC, mdio_addr); - mdio_delay(); - } - - /* Read the 16 data bits. */ - for (i = 16; i > 0; i--) { - outl(0, mdio_addr); - mdio_delay(); - retval = (retval << 1) | ((inl(mdio_addr) & MDIO) ? 1 : 0); - outl(MDC, mdio_addr); - mdio_delay(); - } - outl(0x00, mdio_addr); - - return retval; -} - -/** - * mdio_write - write MII PHY register - * @net_dev: the net device to write - * @phy_id: the phy address to write - * @location: the phy regiester id to write - * @value: the register value to write with - * - * Write MII registers with @value through MDIO and MDC - * using MDIO management frame structure and protocol(defined by ISO/IEC) - * please see SiS7014 or ICS spec - */ - -static void mdio_write(struct net_device *net_dev, int phy_id, int location, - int value) -{ - long mdio_addr = net_dev->base_addr + mear; - int mii_cmd = MIIwrite|(phy_id<<MIIpmdShift)|(location<<MIIregShift); - int i; - - mdio_reset(mdio_addr); - mdio_idle(mdio_addr); - - /* Shift the command bits out. */ - for (i = 15; i >= 0; i--) { - int dataval = (mii_cmd & (1 << i)) ? MDDIR | MDIO : MDDIR; - outb(dataval, mdio_addr); - mdio_delay(); - outb(dataval | MDC, mdio_addr); - mdio_delay(); - } - mdio_delay(); - - /* Shift the value bits out. */ - for (i = 15; i >= 0; i--) { - int dataval = (value & (1 << i)) ? MDDIR | MDIO : MDDIR; - outl(dataval, mdio_addr); - mdio_delay(); - outl(dataval | MDC, mdio_addr); - mdio_delay(); - } - mdio_delay(); - - /* Clear out extra bits. */ - for (i = 2; i > 0; i--) { - outb(0, mdio_addr); - mdio_delay(); - outb(MDC, mdio_addr); - mdio_delay(); - } - outl(0x00, mdio_addr); -} - - -/** - * sis900_reset_phy - reset sis900 mii phy. - * @net_dev: the net device to write - * @phy_addr: default phy address - * - * Some specific phy can't work properly without reset. - * This function will be called during initialization and - * link status change from ON to DOWN. - */ - -static u16 sis900_reset_phy(struct net_device *net_dev, int phy_addr) -{ - int i; - u16 status; - - for (i = 0; i < 2; i++) - status = mdio_read(net_dev, phy_addr, MII_STATUS); - - mdio_write( net_dev, phy_addr, MII_CONTROL, MII_CNTL_RESET ); - - return status; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -/* - * Polling 'interrupt' - used by things like netconsole to send skbs - * without having to re-enable interrupts. It's not called while - * the interrupt routine is executing. -*/ -static void sis900_poll(struct net_device *dev) -{ - disable_irq(dev->irq); - sis900_interrupt(dev->irq, dev); - enable_irq(dev->irq); -} -#endif - -/** - * sis900_open - open sis900 device - * @net_dev: the net device to open - * - * Do some initialization and start net interface. - * enable interrupts and set sis900 timer. - */ - -static int -sis900_open(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - int ret; - - /* Soft reset the chip. */ - sis900_reset(net_dev); - - /* Equalizer workaround Rule */ - sis630_set_eq(net_dev, sis_priv->chipset_rev); - - ret = request_irq(net_dev->irq, sis900_interrupt, IRQF_SHARED, - net_dev->name, net_dev); - if (ret) - return ret; - - sis900_init_rxfilter(net_dev); - - sis900_init_tx_ring(net_dev); - sis900_init_rx_ring(net_dev); - - set_rx_mode(net_dev); - - netif_start_queue(net_dev); - - /* Workaround for EDB */ - sis900_set_mode(ioaddr, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED); - - /* Enable all known interrupts by setting the interrupt mask. */ - outl((RxSOVR|RxORN|RxERR|RxOK|TxURN|TxERR|TxIDLE), ioaddr + imr); - outl(RxENA | inl(ioaddr + cr), ioaddr + cr); - outl(IE, ioaddr + ier); - - sis900_check_mode(net_dev, sis_priv->mii); - - /* Set the timer to switch to check for link beat and perhaps switch - to an alternate media type. */ - init_timer(&sis_priv->timer); - sis_priv->timer.expires = jiffies + HZ; - sis_priv->timer.data = (unsigned long)net_dev; - sis_priv->timer.function = sis900_timer; - add_timer(&sis_priv->timer); - - return 0; -} - -/** - * sis900_init_rxfilter - Initialize the Rx filter - * @net_dev: the net device to initialize for - * - * Set receive filter address to our MAC address - * and enable packet filtering. - */ - -static void -sis900_init_rxfilter (struct net_device * net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - u32 rfcrSave; - u32 i; - - rfcrSave = inl(rfcr + ioaddr); - - /* disable packet filtering before setting filter */ - outl(rfcrSave & ~RFEN, rfcr + ioaddr); - - /* load MAC addr to filter data register */ - for (i = 0 ; i < 3 ; i++) { - u32 w; - - w = (u32) *((u16 *)(net_dev->dev_addr)+i); - outl((i << RFADDR_shift), ioaddr + rfcr); - outl(w, ioaddr + rfdr); - - if (netif_msg_hw(sis_priv)) { - printk(KERN_DEBUG "%s: Receive Filter Addrss[%d]=%x\n", - net_dev->name, i, inl(ioaddr + rfdr)); - } - } - - /* enable packet filtering */ - outl(rfcrSave | RFEN, rfcr + ioaddr); -} - -/** - * sis900_init_tx_ring - Initialize the Tx descriptor ring - * @net_dev: the net device to initialize for - * - * Initialize the Tx descriptor ring, - */ - -static void -sis900_init_tx_ring(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - int i; - - sis_priv->tx_full = 0; - sis_priv->dirty_tx = sis_priv->cur_tx = 0; - - for (i = 0; i < NUM_TX_DESC; i++) { - sis_priv->tx_skbuff[i] = NULL; - - sis_priv->tx_ring[i].link = sis_priv->tx_ring_dma + - ((i+1)%NUM_TX_DESC)*sizeof(BufferDesc); - sis_priv->tx_ring[i].cmdsts = 0; - sis_priv->tx_ring[i].bufptr = 0; - } - - /* load Transmit Descriptor Register */ - outl(sis_priv->tx_ring_dma, ioaddr + txdp); - if (netif_msg_hw(sis_priv)) - printk(KERN_DEBUG "%s: TX descriptor register loaded with: %8.8x\n", - net_dev->name, inl(ioaddr + txdp)); -} - -/** - * sis900_init_rx_ring - Initialize the Rx descriptor ring - * @net_dev: the net device to initialize for - * - * Initialize the Rx descriptor ring, - * and pre-allocate recevie buffers (socket buffer) - */ - -static void -sis900_init_rx_ring(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - int i; - - sis_priv->cur_rx = 0; - sis_priv->dirty_rx = 0; - - /* init RX descriptor */ - for (i = 0; i < NUM_RX_DESC; i++) { - sis_priv->rx_skbuff[i] = NULL; - - sis_priv->rx_ring[i].link = sis_priv->rx_ring_dma + - ((i+1)%NUM_RX_DESC)*sizeof(BufferDesc); - sis_priv->rx_ring[i].cmdsts = 0; - sis_priv->rx_ring[i].bufptr = 0; - } - - /* allocate sock buffers */ - for (i = 0; i < NUM_RX_DESC; i++) { - struct sk_buff *skb; - - if ((skb = netdev_alloc_skb(net_dev, RX_BUF_SIZE)) == NULL) { - /* not enough memory for skbuff, this makes a "hole" - on the buffer ring, it is not clear how the - hardware will react to this kind of degenerated - buffer */ - break; - } - sis_priv->rx_skbuff[i] = skb; - sis_priv->rx_ring[i].cmdsts = RX_BUF_SIZE; - sis_priv->rx_ring[i].bufptr = pci_map_single(sis_priv->pci_dev, - skb->data, RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - } - sis_priv->dirty_rx = (unsigned int) (i - NUM_RX_DESC); - - /* load Receive Descriptor Register */ - outl(sis_priv->rx_ring_dma, ioaddr + rxdp); - if (netif_msg_hw(sis_priv)) - printk(KERN_DEBUG "%s: RX descriptor register loaded with: %8.8x\n", - net_dev->name, inl(ioaddr + rxdp)); -} - -/** - * sis630_set_eq - set phy equalizer value for 630 LAN - * @net_dev: the net device to set equalizer value - * @revision: 630 LAN revision number - * - * 630E equalizer workaround rule(Cyrus Huang 08/15) - * PHY register 14h(Test) - * Bit 14: 0 -- Automatically detect (default) - * 1 -- Manually set Equalizer filter - * Bit 13: 0 -- (Default) - * 1 -- Speed up convergence of equalizer setting - * Bit 9 : 0 -- (Default) - * 1 -- Disable Baseline Wander - * Bit 3~7 -- Equalizer filter setting - * Link ON: Set Bit 9, 13 to 1, Bit 14 to 0 - * Then calculate equalizer value - * Then set equalizer value, and set Bit 14 to 1, Bit 9 to 0 - * Link Off:Set Bit 13 to 1, Bit 14 to 0 - * Calculate Equalizer value: - * When Link is ON and Bit 14 is 0, SIS900PHY will auto-detect proper equalizer value. - * When the equalizer is stable, this value is not a fixed value. It will be within - * a small range(eg. 7~9). Then we get a minimum and a maximum value(eg. min=7, max=9) - * 0 <= max <= 4 --> set equalizer to max - * 5 <= max <= 14 --> set equalizer to max+1 or set equalizer to max+2 if max == min - * max >= 15 --> set equalizer to max+5 or set equalizer to max+6 if max == min - */ - -static void sis630_set_eq(struct net_device *net_dev, u8 revision) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - u16 reg14h, eq_value=0, max_value=0, min_value=0; - int i, maxcount=10; - - if ( !(revision == SIS630E_900_REV || revision == SIS630EA1_900_REV || - revision == SIS630A_900_REV || revision == SIS630ET_900_REV) ) - return; - - if (netif_carrier_ok(net_dev)) { - reg14h = mdio_read(net_dev, sis_priv->cur_phy, MII_RESV); - mdio_write(net_dev, sis_priv->cur_phy, MII_RESV, - (0x2200 | reg14h) & 0xBFFF); - for (i=0; i < maxcount; i++) { - eq_value = (0x00F8 & mdio_read(net_dev, - sis_priv->cur_phy, MII_RESV)) >> 3; - if (i == 0) - max_value=min_value=eq_value; - max_value = (eq_value > max_value) ? - eq_value : max_value; - min_value = (eq_value < min_value) ? - eq_value : min_value; - } - /* 630E rule to determine the equalizer value */ - if (revision == SIS630E_900_REV || revision == SIS630EA1_900_REV || - revision == SIS630ET_900_REV) { - if (max_value < 5) - eq_value = max_value; - else if (max_value >= 5 && max_value < 15) - eq_value = (max_value == min_value) ? - max_value+2 : max_value+1; - else if (max_value >= 15) - eq_value=(max_value == min_value) ? - max_value+6 : max_value+5; - } - /* 630B0&B1 rule to determine the equalizer value */ - if (revision == SIS630A_900_REV && - (sis_priv->host_bridge_rev == SIS630B0 || - sis_priv->host_bridge_rev == SIS630B1)) { - if (max_value == 0) - eq_value = 3; - else - eq_value = (max_value + min_value + 1)/2; - } - /* write equalizer value and setting */ - reg14h = mdio_read(net_dev, sis_priv->cur_phy, MII_RESV); - reg14h = (reg14h & 0xFF07) | ((eq_value << 3) & 0x00F8); - reg14h = (reg14h | 0x6000) & 0xFDFF; - mdio_write(net_dev, sis_priv->cur_phy, MII_RESV, reg14h); - } else { - reg14h = mdio_read(net_dev, sis_priv->cur_phy, MII_RESV); - if (revision == SIS630A_900_REV && - (sis_priv->host_bridge_rev == SIS630B0 || - sis_priv->host_bridge_rev == SIS630B1)) - mdio_write(net_dev, sis_priv->cur_phy, MII_RESV, - (reg14h | 0x2200) & 0xBFFF); - else - mdio_write(net_dev, sis_priv->cur_phy, MII_RESV, - (reg14h | 0x2000) & 0xBFFF); - } -} - -/** - * sis900_timer - sis900 timer routine - * @data: pointer to sis900 net device - * - * On each timer ticks we check two things, - * link status (ON/OFF) and link mode (10/100/Full/Half) - */ - -static void sis900_timer(unsigned long data) -{ - struct net_device *net_dev = (struct net_device *)data; - struct sis900_private *sis_priv = netdev_priv(net_dev); - struct mii_phy *mii_phy = sis_priv->mii; - static const int next_tick = 5*HZ; - u16 status; - - if (!sis_priv->autong_complete){ - int uninitialized_var(speed), duplex = 0; - - sis900_read_mode(net_dev, &speed, &duplex); - if (duplex){ - sis900_set_mode(net_dev->base_addr, speed, duplex); - sis630_set_eq(net_dev, sis_priv->chipset_rev); - netif_start_queue(net_dev); - } - - sis_priv->timer.expires = jiffies + HZ; - add_timer(&sis_priv->timer); - return; - } - - status = mdio_read(net_dev, sis_priv->cur_phy, MII_STATUS); - status = mdio_read(net_dev, sis_priv->cur_phy, MII_STATUS); - - /* Link OFF -> ON */ - if (!netif_carrier_ok(net_dev)) { - LookForLink: - /* Search for new PHY */ - status = sis900_default_phy(net_dev); - mii_phy = sis_priv->mii; - - if (status & MII_STAT_LINK){ - sis900_check_mode(net_dev, mii_phy); - netif_carrier_on(net_dev); - } - } else { - /* Link ON -> OFF */ - if (!(status & MII_STAT_LINK)){ - netif_carrier_off(net_dev); - if(netif_msg_link(sis_priv)) - printk(KERN_INFO "%s: Media Link Off\n", net_dev->name); - - /* Change mode issue */ - if ((mii_phy->phy_id0 == 0x001D) && - ((mii_phy->phy_id1 & 0xFFF0) == 0x8000)) - sis900_reset_phy(net_dev, sis_priv->cur_phy); - - sis630_set_eq(net_dev, sis_priv->chipset_rev); - - goto LookForLink; - } - } - - sis_priv->timer.expires = jiffies + next_tick; - add_timer(&sis_priv->timer); -} - -/** - * sis900_check_mode - check the media mode for sis900 - * @net_dev: the net device to be checked - * @mii_phy: the mii phy - * - * Older driver gets the media mode from mii status output - * register. Now we set our media capability and auto-negotiate - * to get the upper bound of speed and duplex between two ends. - * If the types of mii phy is HOME, it doesn't need to auto-negotiate - * and autong_complete should be set to 1. - */ - -static void sis900_check_mode(struct net_device *net_dev, struct mii_phy *mii_phy) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - int speed, duplex; - - if (mii_phy->phy_types == LAN) { - outl(~EXD & inl(ioaddr + cfg), ioaddr + cfg); - sis900_set_capability(net_dev , mii_phy); - sis900_auto_negotiate(net_dev, sis_priv->cur_phy); - } else { - outl(EXD | inl(ioaddr + cfg), ioaddr + cfg); - speed = HW_SPEED_HOME; - duplex = FDX_CAPABLE_HALF_SELECTED; - sis900_set_mode(ioaddr, speed, duplex); - sis_priv->autong_complete = 1; - } -} - -/** - * sis900_set_mode - Set the media mode of mac register. - * @ioaddr: the address of the device - * @speed : the transmit speed to be determined - * @duplex: the duplex mode to be determined - * - * Set the media mode of mac register txcfg/rxcfg according to - * speed and duplex of phy. Bit EDB_MASTER_EN indicates the EDB - * bus is used instead of PCI bus. When this bit is set 1, the - * Max DMA Burst Size for TX/RX DMA should be no larger than 16 - * double words. - */ - -static void sis900_set_mode (long ioaddr, int speed, int duplex) -{ - u32 tx_flags = 0, rx_flags = 0; - - if (inl(ioaddr + cfg) & EDB_MASTER_EN) { - tx_flags = TxATP | (DMA_BURST_64 << TxMXDMA_shift) | - (TX_FILL_THRESH << TxFILLT_shift); - rx_flags = DMA_BURST_64 << RxMXDMA_shift; - } else { - tx_flags = TxATP | (DMA_BURST_512 << TxMXDMA_shift) | - (TX_FILL_THRESH << TxFILLT_shift); - rx_flags = DMA_BURST_512 << RxMXDMA_shift; - } - - if (speed == HW_SPEED_HOME || speed == HW_SPEED_10_MBPS) { - rx_flags |= (RxDRNT_10 << RxDRNT_shift); - tx_flags |= (TxDRNT_10 << TxDRNT_shift); - } else { - rx_flags |= (RxDRNT_100 << RxDRNT_shift); - tx_flags |= (TxDRNT_100 << TxDRNT_shift); - } - - if (duplex == FDX_CAPABLE_FULL_SELECTED) { - tx_flags |= (TxCSI | TxHBI); - rx_flags |= RxATX; - } - -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) - /* Can accept Jumbo packet */ - rx_flags |= RxAJAB; -#endif - - outl (tx_flags, ioaddr + txcfg); - outl (rx_flags, ioaddr + rxcfg); -} - -/** - * sis900_auto_negotiate - Set the Auto-Negotiation Enable/Reset bit. - * @net_dev: the net device to read mode for - * @phy_addr: mii phy address - * - * If the adapter is link-on, set the auto-negotiate enable/reset bit. - * autong_complete should be set to 0 when starting auto-negotiation. - * autong_complete should be set to 1 if we didn't start auto-negotiation. - * sis900_timer will wait for link on again if autong_complete = 0. - */ - -static void sis900_auto_negotiate(struct net_device *net_dev, int phy_addr) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - int i = 0; - u32 status; - - for (i = 0; i < 2; i++) - status = mdio_read(net_dev, phy_addr, MII_STATUS); - - if (!(status & MII_STAT_LINK)){ - if(netif_msg_link(sis_priv)) - printk(KERN_INFO "%s: Media Link Off\n", net_dev->name); - sis_priv->autong_complete = 1; - netif_carrier_off(net_dev); - return; - } - - /* (Re)start AutoNegotiate */ - mdio_write(net_dev, phy_addr, MII_CONTROL, - MII_CNTL_AUTO | MII_CNTL_RST_AUTO); - sis_priv->autong_complete = 0; -} - - -/** - * sis900_read_mode - read media mode for sis900 internal phy - * @net_dev: the net device to read mode for - * @speed : the transmit speed to be determined - * @duplex : the duplex mode to be determined - * - * The capability of remote end will be put in mii register autorec - * after auto-negotiation. Use AND operation to get the upper bound - * of speed and duplex between two ends. - */ - -static void sis900_read_mode(struct net_device *net_dev, int *speed, int *duplex) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - struct mii_phy *phy = sis_priv->mii; - int phy_addr = sis_priv->cur_phy; - u32 status; - u16 autoadv, autorec; - int i; - - for (i = 0; i < 2; i++) - status = mdio_read(net_dev, phy_addr, MII_STATUS); - - if (!(status & MII_STAT_LINK)) - return; - - /* AutoNegotiate completed */ - autoadv = mdio_read(net_dev, phy_addr, MII_ANADV); - autorec = mdio_read(net_dev, phy_addr, MII_ANLPAR); - status = autoadv & autorec; - - *speed = HW_SPEED_10_MBPS; - *duplex = FDX_CAPABLE_HALF_SELECTED; - - if (status & (MII_NWAY_TX | MII_NWAY_TX_FDX)) - *speed = HW_SPEED_100_MBPS; - if (status & ( MII_NWAY_TX_FDX | MII_NWAY_T_FDX)) - *duplex = FDX_CAPABLE_FULL_SELECTED; - - sis_priv->autong_complete = 1; - - /* Workaround for Realtek RTL8201 PHY issue */ - if ((phy->phy_id0 == 0x0000) && ((phy->phy_id1 & 0xFFF0) == 0x8200)) { - if (mdio_read(net_dev, phy_addr, MII_CONTROL) & MII_CNTL_FDX) - *duplex = FDX_CAPABLE_FULL_SELECTED; - if (mdio_read(net_dev, phy_addr, 0x0019) & 0x01) - *speed = HW_SPEED_100_MBPS; - } - - if(netif_msg_link(sis_priv)) - printk(KERN_INFO "%s: Media Link On %s %s-duplex\n", - net_dev->name, - *speed == HW_SPEED_100_MBPS ? - "100mbps" : "10mbps", - *duplex == FDX_CAPABLE_FULL_SELECTED ? - "full" : "half"); -} - -/** - * sis900_tx_timeout - sis900 transmit timeout routine - * @net_dev: the net device to transmit - * - * print transmit timeout status - * disable interrupts and do some tasks - */ - -static void sis900_tx_timeout(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - unsigned long flags; - int i; - - if(netif_msg_tx_err(sis_priv)) - printk(KERN_INFO "%s: Transmit timeout, status %8.8x %8.8x\n", - net_dev->name, inl(ioaddr + cr), inl(ioaddr + isr)); - - /* Disable interrupts by clearing the interrupt mask. */ - outl(0x0000, ioaddr + imr); - - /* use spinlock to prevent interrupt handler accessing buffer ring */ - spin_lock_irqsave(&sis_priv->lock, flags); - - /* discard unsent packets */ - sis_priv->dirty_tx = sis_priv->cur_tx = 0; - for (i = 0; i < NUM_TX_DESC; i++) { - struct sk_buff *skb = sis_priv->tx_skbuff[i]; - - if (skb) { - pci_unmap_single(sis_priv->pci_dev, - sis_priv->tx_ring[i].bufptr, skb->len, - PCI_DMA_TODEVICE); - dev_kfree_skb_irq(skb); - sis_priv->tx_skbuff[i] = NULL; - sis_priv->tx_ring[i].cmdsts = 0; - sis_priv->tx_ring[i].bufptr = 0; - net_dev->stats.tx_dropped++; - } - } - sis_priv->tx_full = 0; - netif_wake_queue(net_dev); - - spin_unlock_irqrestore(&sis_priv->lock, flags); - - net_dev->trans_start = jiffies; /* prevent tx timeout */ - - /* load Transmit Descriptor Register */ - outl(sis_priv->tx_ring_dma, ioaddr + txdp); - - /* Enable all known interrupts by setting the interrupt mask. */ - outl((RxSOVR|RxORN|RxERR|RxOK|TxURN|TxERR|TxIDLE), ioaddr + imr); -} - -/** - * sis900_start_xmit - sis900 start transmit routine - * @skb: socket buffer pointer to put the data being transmitted - * @net_dev: the net device to transmit with - * - * Set the transmit buffer descriptor, - * and write TxENA to enable transmit state machine. - * tell upper layer if the buffer is full - */ - -static netdev_tx_t -sis900_start_xmit(struct sk_buff *skb, struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - unsigned int entry; - unsigned long flags; - unsigned int index_cur_tx, index_dirty_tx; - unsigned int count_dirty_tx; - - /* Don't transmit data before the complete of auto-negotiation */ - if(!sis_priv->autong_complete){ - netif_stop_queue(net_dev); - return NETDEV_TX_BUSY; - } - - spin_lock_irqsave(&sis_priv->lock, flags); - - /* Calculate the next Tx descriptor entry. */ - entry = sis_priv->cur_tx % NUM_TX_DESC; - sis_priv->tx_skbuff[entry] = skb; - - /* set the transmit buffer descriptor and enable Transmit State Machine */ - sis_priv->tx_ring[entry].bufptr = pci_map_single(sis_priv->pci_dev, - skb->data, skb->len, PCI_DMA_TODEVICE); - sis_priv->tx_ring[entry].cmdsts = (OWN | skb->len); - outl(TxENA | inl(ioaddr + cr), ioaddr + cr); - - sis_priv->cur_tx ++; - index_cur_tx = sis_priv->cur_tx; - index_dirty_tx = sis_priv->dirty_tx; - - for (count_dirty_tx = 0; index_cur_tx != index_dirty_tx; index_dirty_tx++) - count_dirty_tx ++; - - if (index_cur_tx == index_dirty_tx) { - /* dirty_tx is met in the cycle of cur_tx, buffer full */ - sis_priv->tx_full = 1; - netif_stop_queue(net_dev); - } else if (count_dirty_tx < NUM_TX_DESC) { - /* Typical path, tell upper layer that more transmission is possible */ - netif_start_queue(net_dev); - } else { - /* buffer full, tell upper layer no more transmission */ - sis_priv->tx_full = 1; - netif_stop_queue(net_dev); - } - - spin_unlock_irqrestore(&sis_priv->lock, flags); - - if (netif_msg_tx_queued(sis_priv)) - printk(KERN_DEBUG "%s: Queued Tx packet at %p size %d " - "to slot %d.\n", - net_dev->name, skb->data, (int)skb->len, entry); - - return NETDEV_TX_OK; -} - -/** - * sis900_interrupt - sis900 interrupt handler - * @irq: the irq number - * @dev_instance: the client data object - * - * The interrupt handler does all of the Rx thread work, - * and cleans up after the Tx thread - */ - -static irqreturn_t sis900_interrupt(int irq, void *dev_instance) -{ - struct net_device *net_dev = dev_instance; - struct sis900_private *sis_priv = netdev_priv(net_dev); - int boguscnt = max_interrupt_work; - long ioaddr = net_dev->base_addr; - u32 status; - unsigned int handled = 0; - - spin_lock (&sis_priv->lock); - - do { - status = inl(ioaddr + isr); - - if ((status & (HIBERR|TxURN|TxERR|TxIDLE|RxORN|RxERR|RxOK)) == 0) - /* nothing intresting happened */ - break; - handled = 1; - - /* why dow't we break after Tx/Rx case ?? keyword: full-duplex */ - if (status & (RxORN | RxERR | RxOK)) - /* Rx interrupt */ - sis900_rx(net_dev); - - if (status & (TxURN | TxERR | TxIDLE)) - /* Tx interrupt */ - sis900_finish_xmit(net_dev); - - /* something strange happened !!! */ - if (status & HIBERR) { - if(netif_msg_intr(sis_priv)) - printk(KERN_INFO "%s: Abnormal interrupt, " - "status %#8.8x.\n", net_dev->name, status); - break; - } - if (--boguscnt < 0) { - if(netif_msg_intr(sis_priv)) - printk(KERN_INFO "%s: Too much work at interrupt, " - "interrupt status = %#8.8x.\n", - net_dev->name, status); - break; - } - } while (1); - - if(netif_msg_intr(sis_priv)) - printk(KERN_DEBUG "%s: exiting interrupt, " - "interrupt status = 0x%#8.8x.\n", - net_dev->name, inl(ioaddr + isr)); - - spin_unlock (&sis_priv->lock); - return IRQ_RETVAL(handled); -} - -/** - * sis900_rx - sis900 receive routine - * @net_dev: the net device which receives data - * - * Process receive interrupt events, - * put buffer to higher layer and refill buffer pool - * Note: This function is called by interrupt handler, - * don't do "too much" work here - */ - -static int sis900_rx(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - unsigned int entry = sis_priv->cur_rx % NUM_RX_DESC; - u32 rx_status = sis_priv->rx_ring[entry].cmdsts; - int rx_work_limit; - - if (netif_msg_rx_status(sis_priv)) - printk(KERN_DEBUG "sis900_rx, cur_rx:%4.4d, dirty_rx:%4.4d " - "status:0x%8.8x\n", - sis_priv->cur_rx, sis_priv->dirty_rx, rx_status); - rx_work_limit = sis_priv->dirty_rx + NUM_RX_DESC - sis_priv->cur_rx; - - while (rx_status & OWN) { - unsigned int rx_size; - unsigned int data_size; - - if (--rx_work_limit < 0) - break; - - data_size = rx_status & DSIZE; - rx_size = data_size - CRC_SIZE; - -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) - /* ``TOOLONG'' flag means jumbo packet received. */ - if ((rx_status & TOOLONG) && data_size <= MAX_FRAME_SIZE) - rx_status &= (~ ((unsigned int)TOOLONG)); -#endif - - if (rx_status & (ABORT|OVERRUN|TOOLONG|RUNT|RXISERR|CRCERR|FAERR)) { - /* corrupted packet received */ - if (netif_msg_rx_err(sis_priv)) - printk(KERN_DEBUG "%s: Corrupted packet " - "received, buffer status = 0x%8.8x/%d.\n", - net_dev->name, rx_status, data_size); - net_dev->stats.rx_errors++; - if (rx_status & OVERRUN) - net_dev->stats.rx_over_errors++; - if (rx_status & (TOOLONG|RUNT)) - net_dev->stats.rx_length_errors++; - if (rx_status & (RXISERR | FAERR)) - net_dev->stats.rx_frame_errors++; - if (rx_status & CRCERR) - net_dev->stats.rx_crc_errors++; - /* reset buffer descriptor state */ - sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE; - } else { - struct sk_buff * skb; - struct sk_buff * rx_skb; - - pci_unmap_single(sis_priv->pci_dev, - sis_priv->rx_ring[entry].bufptr, RX_BUF_SIZE, - PCI_DMA_FROMDEVICE); - - /* refill the Rx buffer, what if there is not enough - * memory for new socket buffer ?? */ - if ((skb = netdev_alloc_skb(net_dev, RX_BUF_SIZE)) == NULL) { - /* - * Not enough memory to refill the buffer - * so we need to recycle the old one so - * as to avoid creating a memory hole - * in the rx ring - */ - skb = sis_priv->rx_skbuff[entry]; - net_dev->stats.rx_dropped++; - goto refill_rx_ring; - } - - /* This situation should never happen, but due to - some unknown bugs, it is possible that - we are working on NULL sk_buff :-( */ - if (sis_priv->rx_skbuff[entry] == NULL) { - if (netif_msg_rx_err(sis_priv)) - printk(KERN_WARNING "%s: NULL pointer " - "encountered in Rx ring\n" - "cur_rx:%4.4d, dirty_rx:%4.4d\n", - net_dev->name, sis_priv->cur_rx, - sis_priv->dirty_rx); - dev_kfree_skb(skb); - break; - } - - /* give the socket buffer to upper layers */ - rx_skb = sis_priv->rx_skbuff[entry]; - skb_put(rx_skb, rx_size); - rx_skb->protocol = eth_type_trans(rx_skb, net_dev); - netif_rx(rx_skb); - - /* some network statistics */ - if ((rx_status & BCAST) == MCAST) - net_dev->stats.multicast++; - net_dev->stats.rx_bytes += rx_size; - net_dev->stats.rx_packets++; - sis_priv->dirty_rx++; -refill_rx_ring: - sis_priv->rx_skbuff[entry] = skb; - sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE; - sis_priv->rx_ring[entry].bufptr = - pci_map_single(sis_priv->pci_dev, skb->data, - RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - } - sis_priv->cur_rx++; - entry = sis_priv->cur_rx % NUM_RX_DESC; - rx_status = sis_priv->rx_ring[entry].cmdsts; - } // while - - /* refill the Rx buffer, what if the rate of refilling is slower - * than consuming ?? */ - for (; sis_priv->cur_rx != sis_priv->dirty_rx; sis_priv->dirty_rx++) { - struct sk_buff *skb; - - entry = sis_priv->dirty_rx % NUM_RX_DESC; - - if (sis_priv->rx_skbuff[entry] == NULL) { - if ((skb = netdev_alloc_skb(net_dev, RX_BUF_SIZE)) == NULL) { - /* not enough memory for skbuff, this makes a - * "hole" on the buffer ring, it is not clear - * how the hardware will react to this kind - * of degenerated buffer */ - if (netif_msg_rx_err(sis_priv)) - printk(KERN_INFO "%s: Memory squeeze, " - "deferring packet.\n", - net_dev->name); - net_dev->stats.rx_dropped++; - break; - } - sis_priv->rx_skbuff[entry] = skb; - sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE; - sis_priv->rx_ring[entry].bufptr = - pci_map_single(sis_priv->pci_dev, skb->data, - RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - } - } - /* re-enable the potentially idle receive state matchine */ - outl(RxENA | inl(ioaddr + cr), ioaddr + cr ); - - return 0; -} - -/** - * sis900_finish_xmit - finish up transmission of packets - * @net_dev: the net device to be transmitted on - * - * Check for error condition and free socket buffer etc - * schedule for more transmission as needed - * Note: This function is called by interrupt handler, - * don't do "too much" work here - */ - -static void sis900_finish_xmit (struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - - for (; sis_priv->dirty_tx != sis_priv->cur_tx; sis_priv->dirty_tx++) { - struct sk_buff *skb; - unsigned int entry; - u32 tx_status; - - entry = sis_priv->dirty_tx % NUM_TX_DESC; - tx_status = sis_priv->tx_ring[entry].cmdsts; - - if (tx_status & OWN) { - /* The packet is not transmitted yet (owned by hardware) ! - * Note: the interrupt is generated only when Tx Machine - * is idle, so this is an almost impossible case */ - break; - } - - if (tx_status & (ABORT | UNDERRUN | OWCOLL)) { - /* packet unsuccessfully transmitted */ - if (netif_msg_tx_err(sis_priv)) - printk(KERN_DEBUG "%s: Transmit " - "error, Tx status %8.8x.\n", - net_dev->name, tx_status); - net_dev->stats.tx_errors++; - if (tx_status & UNDERRUN) - net_dev->stats.tx_fifo_errors++; - if (tx_status & ABORT) - net_dev->stats.tx_aborted_errors++; - if (tx_status & NOCARRIER) - net_dev->stats.tx_carrier_errors++; - if (tx_status & OWCOLL) - net_dev->stats.tx_window_errors++; - } else { - /* packet successfully transmitted */ - net_dev->stats.collisions += (tx_status & COLCNT) >> 16; - net_dev->stats.tx_bytes += tx_status & DSIZE; - net_dev->stats.tx_packets++; - } - /* Free the original skb. */ - skb = sis_priv->tx_skbuff[entry]; - pci_unmap_single(sis_priv->pci_dev, - sis_priv->tx_ring[entry].bufptr, skb->len, - PCI_DMA_TODEVICE); - dev_kfree_skb_irq(skb); - sis_priv->tx_skbuff[entry] = NULL; - sis_priv->tx_ring[entry].bufptr = 0; - sis_priv->tx_ring[entry].cmdsts = 0; - } - - if (sis_priv->tx_full && netif_queue_stopped(net_dev) && - sis_priv->cur_tx - sis_priv->dirty_tx < NUM_TX_DESC - 4) { - /* The ring is no longer full, clear tx_full and schedule - * more transmission by netif_wake_queue(net_dev) */ - sis_priv->tx_full = 0; - netif_wake_queue (net_dev); - } -} - -/** - * sis900_close - close sis900 device - * @net_dev: the net device to be closed - * - * Disable interrupts, stop the Tx and Rx Status Machine - * free Tx and RX socket buffer - */ - -static int sis900_close(struct net_device *net_dev) -{ - long ioaddr = net_dev->base_addr; - struct sis900_private *sis_priv = netdev_priv(net_dev); - struct sk_buff *skb; - int i; - - netif_stop_queue(net_dev); - - /* Disable interrupts by clearing the interrupt mask. */ - outl(0x0000, ioaddr + imr); - outl(0x0000, ioaddr + ier); - - /* Stop the chip's Tx and Rx Status Machine */ - outl(RxDIS | TxDIS | inl(ioaddr + cr), ioaddr + cr); - - del_timer(&sis_priv->timer); - - free_irq(net_dev->irq, net_dev); - - /* Free Tx and RX skbuff */ - for (i = 0; i < NUM_RX_DESC; i++) { - skb = sis_priv->rx_skbuff[i]; - if (skb) { - pci_unmap_single(sis_priv->pci_dev, - sis_priv->rx_ring[i].bufptr, - RX_BUF_SIZE, PCI_DMA_FROMDEVICE); - dev_kfree_skb(skb); - sis_priv->rx_skbuff[i] = NULL; - } - } - for (i = 0; i < NUM_TX_DESC; i++) { - skb = sis_priv->tx_skbuff[i]; - if (skb) { - pci_unmap_single(sis_priv->pci_dev, - sis_priv->tx_ring[i].bufptr, skb->len, - PCI_DMA_TODEVICE); - dev_kfree_skb(skb); - sis_priv->tx_skbuff[i] = NULL; - } - } - - /* Green! Put the chip in low-power mode. */ - - return 0; -} - -/** - * sis900_get_drvinfo - Return information about driver - * @net_dev: the net device to probe - * @info: container for info returned - * - * Process ethtool command such as "ehtool -i" to show information - */ - -static void sis900_get_drvinfo(struct net_device *net_dev, - struct ethtool_drvinfo *info) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - - strlcpy(info->driver, SIS900_MODULE_NAME, sizeof(info->driver)); - strlcpy(info->version, SIS900_DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, pci_name(sis_priv->pci_dev), - sizeof(info->bus_info)); -} - -static u32 sis900_get_msglevel(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - return sis_priv->msg_enable; -} - -static void sis900_set_msglevel(struct net_device *net_dev, u32 value) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - sis_priv->msg_enable = value; -} - -static u32 sis900_get_link(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - return mii_link_ok(&sis_priv->mii_info); -} - -static int sis900_get_settings(struct net_device *net_dev, - struct ethtool_cmd *cmd) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - spin_lock_irq(&sis_priv->lock); - mii_ethtool_gset(&sis_priv->mii_info, cmd); - spin_unlock_irq(&sis_priv->lock); - return 0; -} - -static int sis900_set_settings(struct net_device *net_dev, - struct ethtool_cmd *cmd) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - int rt; - spin_lock_irq(&sis_priv->lock); - rt = mii_ethtool_sset(&sis_priv->mii_info, cmd); - spin_unlock_irq(&sis_priv->lock); - return rt; -} - -static int sis900_nway_reset(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - return mii_nway_restart(&sis_priv->mii_info); -} - -/** - * sis900_set_wol - Set up Wake on Lan registers - * @net_dev: the net device to probe - * @wol: container for info passed to the driver - * - * Process ethtool command "wol" to setup wake on lan features. - * SiS900 supports sending WoL events if a correct packet is received, - * but there is no simple way to filter them to only a subset (broadcast, - * multicast, unicast or arp). - */ - -static int sis900_set_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long pmctrl_addr = net_dev->base_addr + pmctrl; - u32 cfgpmcsr = 0, pmctrl_bits = 0; - - if (wol->wolopts == 0) { - pci_read_config_dword(sis_priv->pci_dev, CFGPMCSR, &cfgpmcsr); - cfgpmcsr &= ~PME_EN; - pci_write_config_dword(sis_priv->pci_dev, CFGPMCSR, cfgpmcsr); - outl(pmctrl_bits, pmctrl_addr); - if (netif_msg_wol(sis_priv)) - printk(KERN_DEBUG "%s: Wake on LAN disabled\n", net_dev->name); - return 0; - } - - if (wol->wolopts & (WAKE_MAGICSECURE | WAKE_UCAST | WAKE_MCAST - | WAKE_BCAST | WAKE_ARP)) - return -EINVAL; - - if (wol->wolopts & WAKE_MAGIC) - pmctrl_bits |= MAGICPKT; - if (wol->wolopts & WAKE_PHY) - pmctrl_bits |= LINKON; - - outl(pmctrl_bits, pmctrl_addr); - - pci_read_config_dword(sis_priv->pci_dev, CFGPMCSR, &cfgpmcsr); - cfgpmcsr |= PME_EN; - pci_write_config_dword(sis_priv->pci_dev, CFGPMCSR, cfgpmcsr); - if (netif_msg_wol(sis_priv)) - printk(KERN_DEBUG "%s: Wake on LAN enabled\n", net_dev->name); - - return 0; -} - -static void sis900_get_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol) -{ - long pmctrl_addr = net_dev->base_addr + pmctrl; - u32 pmctrl_bits; - - pmctrl_bits = inl(pmctrl_addr); - if (pmctrl_bits & MAGICPKT) - wol->wolopts |= WAKE_MAGIC; - if (pmctrl_bits & LINKON) - wol->wolopts |= WAKE_PHY; - - wol->supported = (WAKE_PHY | WAKE_MAGIC); -} - -static const struct ethtool_ops sis900_ethtool_ops = { - .get_drvinfo = sis900_get_drvinfo, - .get_msglevel = sis900_get_msglevel, - .set_msglevel = sis900_set_msglevel, - .get_link = sis900_get_link, - .get_settings = sis900_get_settings, - .set_settings = sis900_set_settings, - .nway_reset = sis900_nway_reset, - .get_wol = sis900_get_wol, - .set_wol = sis900_set_wol -}; - -/** - * mii_ioctl - process MII i/o control command - * @net_dev: the net device to command for - * @rq: parameter for command - * @cmd: the i/o command - * - * Process MII command like read/write MII register - */ - -static int mii_ioctl(struct net_device *net_dev, struct ifreq *rq, int cmd) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - struct mii_ioctl_data *data = if_mii(rq); - - switch(cmd) { - case SIOCGMIIPHY: /* Get address of MII PHY in use. */ - data->phy_id = sis_priv->mii->phy_addr; - /* Fall Through */ - - case SIOCGMIIREG: /* Read MII PHY register. */ - data->val_out = mdio_read(net_dev, data->phy_id & 0x1f, data->reg_num & 0x1f); - return 0; - - case SIOCSMIIREG: /* Write MII PHY register. */ - mdio_write(net_dev, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in); - return 0; - default: - return -EOPNOTSUPP; - } -} - -/** - * sis900_set_config - Set media type by net_device.set_config - * @dev: the net device for media type change - * @map: ifmap passed by ifconfig - * - * Set media type to 10baseT, 100baseT or 0(for auto) by ifconfig - * we support only port changes. All other runtime configuration - * changes will be ignored - */ - -static int sis900_set_config(struct net_device *dev, struct ifmap *map) -{ - struct sis900_private *sis_priv = netdev_priv(dev); - struct mii_phy *mii_phy = sis_priv->mii; - - u16 status; - - if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { - /* we switch on the ifmap->port field. I couldn't find anything - * like a definition or standard for the values of that field. - * I think the meaning of those values is device specific. But - * since I would like to change the media type via the ifconfig - * command I use the definition from linux/netdevice.h - * (which seems to be different from the ifport(pcmcia) definition) */ - switch(map->port){ - case IF_PORT_UNKNOWN: /* use auto here */ - dev->if_port = map->port; - /* we are going to change the media type, so the Link - * will be temporary down and we need to reflect that - * here. When the Link comes up again, it will be - * sensed by the sis_timer procedure, which also does - * all the rest for us */ - netif_carrier_off(dev); - - /* read current state */ - status = mdio_read(dev, mii_phy->phy_addr, MII_CONTROL); - - /* enable auto negotiation and reset the negotioation - * (I don't really know what the auto negatiotiation - * reset really means, but it sounds for me right to - * do one here) */ - mdio_write(dev, mii_phy->phy_addr, - MII_CONTROL, status | MII_CNTL_AUTO | MII_CNTL_RST_AUTO); - - break; - - case IF_PORT_10BASET: /* 10BaseT */ - dev->if_port = map->port; - - /* we are going to change the media type, so the Link - * will be temporary down and we need to reflect that - * here. When the Link comes up again, it will be - * sensed by the sis_timer procedure, which also does - * all the rest for us */ - netif_carrier_off(dev); - - /* set Speed to 10Mbps */ - /* read current state */ - status = mdio_read(dev, mii_phy->phy_addr, MII_CONTROL); - - /* disable auto negotiation and force 10MBit mode*/ - mdio_write(dev, mii_phy->phy_addr, - MII_CONTROL, status & ~(MII_CNTL_SPEED | - MII_CNTL_AUTO)); - break; - - case IF_PORT_100BASET: /* 100BaseT */ - case IF_PORT_100BASETX: /* 100BaseTx */ - dev->if_port = map->port; - - /* we are going to change the media type, so the Link - * will be temporary down and we need to reflect that - * here. When the Link comes up again, it will be - * sensed by the sis_timer procedure, which also does - * all the rest for us */ - netif_carrier_off(dev); - - /* set Speed to 100Mbps */ - /* disable auto negotiation and enable 100MBit Mode */ - status = mdio_read(dev, mii_phy->phy_addr, MII_CONTROL); - mdio_write(dev, mii_phy->phy_addr, - MII_CONTROL, (status & ~MII_CNTL_SPEED) | - MII_CNTL_SPEED); - - break; - - case IF_PORT_10BASE2: /* 10Base2 */ - case IF_PORT_AUI: /* AUI */ - case IF_PORT_100BASEFX: /* 100BaseFx */ - /* These Modes are not supported (are they?)*/ - return -EOPNOTSUPP; - break; - - default: - return -EINVAL; - } - } - return 0; -} - -/** - * sis900_mcast_bitnr - compute hashtable index - * @addr: multicast address - * @revision: revision id of chip - * - * SiS 900 uses the most sigificant 7 bits to index a 128 bits multicast - * hash table, which makes this function a little bit different from other drivers - * SiS 900 B0 & 635 M/B uses the most significat 8 bits to index 256 bits - * multicast hash table. - */ - -static inline u16 sis900_mcast_bitnr(u8 *addr, u8 revision) -{ - - u32 crc = ether_crc(6, addr); - - /* leave 8 or 7 most siginifant bits */ - if ((revision >= SIS635A_900_REV) || (revision == SIS900B_900_REV)) - return (int)(crc >> 24); - else - return (int)(crc >> 25); -} - -/** - * set_rx_mode - Set SiS900 receive mode - * @net_dev: the net device to be set - * - * Set SiS900 receive mode for promiscuous, multicast, or broadcast mode. - * And set the appropriate multicast filter. - * Multicast hash table changes from 128 to 256 bits for 635M/B & 900B0. - */ - -static void set_rx_mode(struct net_device *net_dev) -{ - long ioaddr = net_dev->base_addr; - struct sis900_private *sis_priv = netdev_priv(net_dev); - u16 mc_filter[16] = {0}; /* 256/128 bits multicast hash table */ - int i, table_entries; - u32 rx_mode; - - /* 635 Hash Table entries = 256(2^16) */ - if((sis_priv->chipset_rev >= SIS635A_900_REV) || - (sis_priv->chipset_rev == SIS900B_900_REV)) - table_entries = 16; - else - table_entries = 8; - - if (net_dev->flags & IFF_PROMISC) { - /* Accept any kinds of packets */ - rx_mode = RFPromiscuous; - for (i = 0; i < table_entries; i++) - mc_filter[i] = 0xffff; - } else if ((netdev_mc_count(net_dev) > multicast_filter_limit) || - (net_dev->flags & IFF_ALLMULTI)) { - /* too many multicast addresses or accept all multicast packet */ - rx_mode = RFAAB | RFAAM; - for (i = 0; i < table_entries; i++) - mc_filter[i] = 0xffff; - } else { - /* Accept Broadcast packet, destination address matchs our - * MAC address, use Receive Filter to reject unwanted MCAST - * packets */ - struct netdev_hw_addr *ha; - rx_mode = RFAAB; - - netdev_for_each_mc_addr(ha, net_dev) { - unsigned int bit_nr; - - bit_nr = sis900_mcast_bitnr(ha->addr, - sis_priv->chipset_rev); - mc_filter[bit_nr >> 4] |= (1 << (bit_nr & 0xf)); - } - } - - /* update Multicast Hash Table in Receive Filter */ - for (i = 0; i < table_entries; i++) { - /* why plus 0x04 ??, That makes the correct value for hash table. */ - outl((u32)(0x00000004+i) << RFADDR_shift, ioaddr + rfcr); - outl(mc_filter[i], ioaddr + rfdr); - } - - outl(RFEN | rx_mode, ioaddr + rfcr); - - /* sis900 is capable of looping back packets at MAC level for - * debugging purpose */ - if (net_dev->flags & IFF_LOOPBACK) { - u32 cr_saved; - /* We must disable Tx/Rx before setting loopback mode */ - cr_saved = inl(ioaddr + cr); - outl(cr_saved | TxDIS | RxDIS, ioaddr + cr); - /* enable loopback */ - outl(inl(ioaddr + txcfg) | TxMLB, ioaddr + txcfg); - outl(inl(ioaddr + rxcfg) | RxATX, ioaddr + rxcfg); - /* restore cr */ - outl(cr_saved, ioaddr + cr); - } -} - -/** - * sis900_reset - Reset sis900 MAC - * @net_dev: the net device to reset - * - * reset sis900 MAC and wait until finished - * reset through command register - * change backoff algorithm for 900B0 & 635 M/B - */ - -static void sis900_reset(struct net_device *net_dev) -{ - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - int i = 0; - u32 status = TxRCMP | RxRCMP; - - outl(0, ioaddr + ier); - outl(0, ioaddr + imr); - outl(0, ioaddr + rfcr); - - outl(RxRESET | TxRESET | RESET | inl(ioaddr + cr), ioaddr + cr); - - /* Check that the chip has finished the reset. */ - while (status && (i++ < 1000)) { - status ^= (inl(isr + ioaddr) & status); - } - - if( (sis_priv->chipset_rev >= SIS635A_900_REV) || - (sis_priv->chipset_rev == SIS900B_900_REV) ) - outl(PESEL | RND_CNT, ioaddr + cfg); - else - outl(PESEL, ioaddr + cfg); -} - -/** - * sis900_remove - Remove sis900 device - * @pci_dev: the pci device to be removed - * - * remove and release SiS900 net device - */ - -static void __devexit sis900_remove(struct pci_dev *pci_dev) -{ - struct net_device *net_dev = pci_get_drvdata(pci_dev); - struct sis900_private *sis_priv = netdev_priv(net_dev); - struct mii_phy *phy = NULL; - - while (sis_priv->first_mii) { - phy = sis_priv->first_mii; - sis_priv->first_mii = phy->next; - kfree(phy); - } - - pci_free_consistent(pci_dev, RX_TOTAL_SIZE, sis_priv->rx_ring, - sis_priv->rx_ring_dma); - pci_free_consistent(pci_dev, TX_TOTAL_SIZE, sis_priv->tx_ring, - sis_priv->tx_ring_dma); - unregister_netdev(net_dev); - free_netdev(net_dev); - pci_release_regions(pci_dev); - pci_set_drvdata(pci_dev, NULL); -} - -#ifdef CONFIG_PM - -static int sis900_suspend(struct pci_dev *pci_dev, pm_message_t state) -{ - struct net_device *net_dev = pci_get_drvdata(pci_dev); - long ioaddr = net_dev->base_addr; - - if(!netif_running(net_dev)) - return 0; - - netif_stop_queue(net_dev); - netif_device_detach(net_dev); - - /* Stop the chip's Tx and Rx Status Machine */ - outl(RxDIS | TxDIS | inl(ioaddr + cr), ioaddr + cr); - - pci_set_power_state(pci_dev, PCI_D3hot); - pci_save_state(pci_dev); - - return 0; -} - -static int sis900_resume(struct pci_dev *pci_dev) -{ - struct net_device *net_dev = pci_get_drvdata(pci_dev); - struct sis900_private *sis_priv = netdev_priv(net_dev); - long ioaddr = net_dev->base_addr; - - if(!netif_running(net_dev)) - return 0; - pci_restore_state(pci_dev); - pci_set_power_state(pci_dev, PCI_D0); - - sis900_init_rxfilter(net_dev); - - sis900_init_tx_ring(net_dev); - sis900_init_rx_ring(net_dev); - - set_rx_mode(net_dev); - - netif_device_attach(net_dev); - netif_start_queue(net_dev); - - /* Workaround for EDB */ - sis900_set_mode(ioaddr, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED); - - /* Enable all known interrupts by setting the interrupt mask. */ - outl((RxSOVR|RxORN|RxERR|RxOK|TxURN|TxERR|TxIDLE), ioaddr + imr); - outl(RxENA | inl(ioaddr + cr), ioaddr + cr); - outl(IE, ioaddr + ier); - - sis900_check_mode(net_dev, sis_priv->mii); - - return 0; -} -#endif /* CONFIG_PM */ - -static struct pci_driver sis900_pci_driver = { - .name = SIS900_MODULE_NAME, - .id_table = sis900_pci_tbl, - .probe = sis900_probe, - .remove = __devexit_p(sis900_remove), -#ifdef CONFIG_PM - .suspend = sis900_suspend, - .resume = sis900_resume, -#endif /* CONFIG_PM */ -}; - -static int __init sis900_init_module(void) -{ -/* when a module, this is printed whether or not devices are found in probe */ -#ifdef MODULE - printk(version); -#endif - - return pci_register_driver(&sis900_pci_driver); -} - -static void __exit sis900_cleanup_module(void) -{ - pci_unregister_driver(&sis900_pci_driver); -} - -module_init(sis900_init_module); -module_exit(sis900_cleanup_module); - diff --git a/ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.h b/ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.h deleted file mode 100644 index 1341f33e..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/sis/sis900.h +++ /dev/null @@ -1,329 +0,0 @@ -/* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900 - * Copyright 1999 Silicon Integrated System Corporation - * References: - * SiS 7016 Fast Ethernet PCI Bus 10/100 Mbps LAN Controller with OnNow Support, - * preliminary Rev. 1.0 Jan. 14, 1998 - * SiS 900 Fast Ethernet PCI Bus 10/100 Mbps LAN Single Chip with OnNow Support, - * preliminary Rev. 1.0 Nov. 10, 1998 - * SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, - * preliminary Rev. 1.0 Jan. 18, 1998 - * http://www.sis.com.tw/support/databook.htm - */ - -/* - * SiS 7016 and SiS 900 ethernet controller registers - */ - -/* The I/O extent, SiS 900 needs 256 bytes of io address */ -#define SIS900_TOTAL_SIZE 0x100 - -/* Symbolic offsets to registers. */ -enum sis900_registers { - cr=0x0, //Command Register - cfg=0x4, //Configuration Register - mear=0x8, //EEPROM Access Register - ptscr=0xc, //PCI Test Control Register - isr=0x10, //Interrupt Status Register - imr=0x14, //Interrupt Mask Register - ier=0x18, //Interrupt Enable Register - epar=0x18, //Enhanced PHY Access Register - txdp=0x20, //Transmit Descriptor Pointer Register - txcfg=0x24, //Transmit Configuration Register - rxdp=0x30, //Receive Descriptor Pointer Register - rxcfg=0x34, //Receive Configuration Register - flctrl=0x38, //Flow Control Register - rxlen=0x3c, //Receive Packet Length Register - rfcr=0x48, //Receive Filter Control Register - rfdr=0x4C, //Receive Filter Data Register - pmctrl=0xB0, //Power Management Control Register - pmer=0xB4 //Power Management Wake-up Event Register -}; - -/* Symbolic names for bits in various registers */ -enum sis900_command_register_bits { - RELOAD = 0x00000400, ACCESSMODE = 0x00000200,/* ET */ - RESET = 0x00000100, SWI = 0x00000080, RxRESET = 0x00000020, - TxRESET = 0x00000010, RxDIS = 0x00000008, RxENA = 0x00000004, - TxDIS = 0x00000002, TxENA = 0x00000001 -}; - -enum sis900_configuration_register_bits { - DESCRFMT = 0x00000100 /* 7016 specific */, REQALG = 0x00000080, - SB = 0x00000040, POW = 0x00000020, EXD = 0x00000010, - PESEL = 0x00000008, LPM = 0x00000004, BEM = 0x00000001, - /* 635 & 900B Specific */ - RND_CNT = 0x00000400, FAIR_BACKOFF = 0x00000200, - EDB_MASTER_EN = 0x00002000 -}; - -enum sis900_eeprom_access_reigster_bits { - MDC = 0x00000040, MDDIR = 0x00000020, MDIO = 0x00000010, /* 7016 specific */ - EECS = 0x00000008, EECLK = 0x00000004, EEDO = 0x00000002, - EEDI = 0x00000001 -}; - -enum sis900_interrupt_register_bits { - WKEVT = 0x10000000, TxPAUSEEND = 0x08000000, TxPAUSE = 0x04000000, - TxRCMP = 0x02000000, RxRCMP = 0x01000000, DPERR = 0x00800000, - SSERR = 0x00400000, RMABT = 0x00200000, RTABT = 0x00100000, - RxSOVR = 0x00010000, HIBERR = 0x00008000, SWINT = 0x00001000, - MIBINT = 0x00000800, TxURN = 0x00000400, TxIDLE = 0x00000200, - TxERR = 0x00000100, TxDESC = 0x00000080, TxOK = 0x00000040, - RxORN = 0x00000020, RxIDLE = 0x00000010, RxEARLY = 0x00000008, - RxERR = 0x00000004, RxDESC = 0x00000002, RxOK = 0x00000001 -}; - -enum sis900_interrupt_enable_reigster_bits { - IE = 0x00000001 -}; - -/* maximum dma burst for transmission and receive */ -#define MAX_DMA_RANGE 7 /* actually 0 means MAXIMUM !! */ -#define TxMXDMA_shift 20 -#define RxMXDMA_shift 20 - -enum sis900_tx_rx_dma{ - DMA_BURST_512 = 0, DMA_BURST_64 = 5 -}; - -/* transmit FIFO thresholds */ -#define TX_FILL_THRESH 16 /* 1/4 FIFO size */ -#define TxFILLT_shift 8 -#define TxDRNT_shift 0 -#define TxDRNT_100 48 /* 3/4 FIFO size */ -#define TxDRNT_10 16 /* 1/2 FIFO size */ - -enum sis900_transmit_config_register_bits { - TxCSI = 0x80000000, TxHBI = 0x40000000, TxMLB = 0x20000000, - TxATP = 0x10000000, TxIFG = 0x0C000000, TxFILLT = 0x00003F00, - TxDRNT = 0x0000003F -}; - -/* recevie FIFO thresholds */ -#define RxDRNT_shift 1 -#define RxDRNT_100 16 /* 1/2 FIFO size */ -#define RxDRNT_10 24 /* 3/4 FIFO size */ - -enum sis900_reveive_config_register_bits { - RxAEP = 0x80000000, RxARP = 0x40000000, RxATX = 0x10000000, - RxAJAB = 0x08000000, RxDRNT = 0x0000007F -}; - -#define RFAA_shift 28 -#define RFADDR_shift 16 - -enum sis900_receive_filter_control_register_bits { - RFEN = 0x80000000, RFAAB = 0x40000000, RFAAM = 0x20000000, - RFAAP = 0x10000000, RFPromiscuous = (RFAAB|RFAAM|RFAAP) -}; - -enum sis900_reveive_filter_data_mask { - RFDAT = 0x0000FFFF -}; - -/* EEPROM Addresses */ -enum sis900_eeprom_address { - EEPROMSignature = 0x00, EEPROMVendorID = 0x02, EEPROMDeviceID = 0x03, - EEPROMMACAddr = 0x08, EEPROMChecksum = 0x0b -}; - -/* The EEPROM commands include the alway-set leading bit. Refer to NM93Cxx datasheet */ -enum sis900_eeprom_command { - EEread = 0x0180, EEwrite = 0x0140, EEerase = 0x01C0, - EEwriteEnable = 0x0130, EEwriteDisable = 0x0100, - EEeraseAll = 0x0120, EEwriteAll = 0x0110, - EEaddrMask = 0x013F, EEcmdShift = 16 -}; - -/* For SiS962 or SiS963, request the eeprom software access */ -enum sis96x_eeprom_command { - EEREQ = 0x00000400, EEDONE = 0x00000200, EEGNT = 0x00000100 -}; - -/* PCI Registers */ -enum sis900_pci_registers { - CFGPMC = 0x40, - CFGPMCSR = 0x44 -}; - -/* Power management capabilities bits */ -enum sis900_cfgpmc_register_bits { - PMVER = 0x00070000, - DSI = 0x00100000, - PMESP = 0xf8000000 -}; - -enum sis900_pmesp_bits { - PME_D0 = 0x1, - PME_D1 = 0x2, - PME_D2 = 0x4, - PME_D3H = 0x8, - PME_D3C = 0x10 -}; - -/* Power management control/status bits */ -enum sis900_cfgpmcsr_register_bits { - PMESTS = 0x00004000, - PME_EN = 0x00000100, // Power management enable - PWR_STA = 0x00000003 // Current power state -}; - -/* Wake-on-LAN support. */ -enum sis900_power_management_control_register_bits { - LINKLOSS = 0x00000001, - LINKON = 0x00000002, - MAGICPKT = 0x00000400, - ALGORITHM = 0x00000800, - FRM1EN = 0x00100000, - FRM2EN = 0x00200000, - FRM3EN = 0x00400000, - FRM1ACS = 0x01000000, - FRM2ACS = 0x02000000, - FRM3ACS = 0x04000000, - WAKEALL = 0x40000000, - GATECLK = 0x80000000 -}; - -/* Management Data I/O (mdio) frame */ -#define MIIread 0x6000 -#define MIIwrite 0x5002 -#define MIIpmdShift 7 -#define MIIregShift 2 -#define MIIcmdLen 16 -#define MIIcmdShift 16 - -/* Buffer Descriptor Status*/ -enum sis900_buffer_status { - OWN = 0x80000000, MORE = 0x40000000, INTR = 0x20000000, - SUPCRC = 0x10000000, INCCRC = 0x10000000, - OK = 0x08000000, DSIZE = 0x00000FFF -}; -/* Status for TX Buffers */ -enum sis900_tx_buffer_status { - ABORT = 0x04000000, UNDERRUN = 0x02000000, NOCARRIER = 0x01000000, - DEFERD = 0x00800000, EXCDEFER = 0x00400000, OWCOLL = 0x00200000, - EXCCOLL = 0x00100000, COLCNT = 0x000F0000 -}; - -enum sis900_rx_buffer_status { - OVERRUN = 0x02000000, DEST = 0x00800000, BCAST = 0x01800000, - MCAST = 0x01000000, UNIMATCH = 0x00800000, TOOLONG = 0x00400000, - RUNT = 0x00200000, RXISERR = 0x00100000, CRCERR = 0x00080000, - FAERR = 0x00040000, LOOPBK = 0x00020000, RXCOL = 0x00010000 -}; - -/* MII register offsets */ -enum mii_registers { - MII_CONTROL = 0x0000, MII_STATUS = 0x0001, MII_PHY_ID0 = 0x0002, - MII_PHY_ID1 = 0x0003, MII_ANADV = 0x0004, MII_ANLPAR = 0x0005, - MII_ANEXT = 0x0006 -}; - -/* mii registers specific to SiS 900 */ -enum sis_mii_registers { - MII_CONFIG1 = 0x0010, MII_CONFIG2 = 0x0011, MII_STSOUT = 0x0012, - MII_MASK = 0x0013, MII_RESV = 0x0014 -}; - -/* mii registers specific to ICS 1893 */ -enum ics_mii_registers { - MII_EXTCTRL = 0x0010, MII_QPDSTS = 0x0011, MII_10BTOP = 0x0012, - MII_EXTCTRL2 = 0x0013 -}; - -/* mii registers specific to AMD 79C901 */ -enum amd_mii_registers { - MII_STATUS_SUMMARY = 0x0018 -}; - -/* MII Control register bit definitions. */ -enum mii_control_register_bits { - MII_CNTL_FDX = 0x0100, MII_CNTL_RST_AUTO = 0x0200, - MII_CNTL_ISOLATE = 0x0400, MII_CNTL_PWRDWN = 0x0800, - MII_CNTL_AUTO = 0x1000, MII_CNTL_SPEED = 0x2000, - MII_CNTL_LPBK = 0x4000, MII_CNTL_RESET = 0x8000 -}; - -/* MII Status register bit */ -enum mii_status_register_bits { - MII_STAT_EXT = 0x0001, MII_STAT_JAB = 0x0002, - MII_STAT_LINK = 0x0004, MII_STAT_CAN_AUTO = 0x0008, - MII_STAT_FAULT = 0x0010, MII_STAT_AUTO_DONE = 0x0020, - MII_STAT_CAN_T = 0x0800, MII_STAT_CAN_T_FDX = 0x1000, - MII_STAT_CAN_TX = 0x2000, MII_STAT_CAN_TX_FDX = 0x4000, - MII_STAT_CAN_T4 = 0x8000 -}; - -#define MII_ID1_OUI_LO 0xFC00 /* low bits of OUI mask */ -#define MII_ID1_MODEL 0x03F0 /* model number */ -#define MII_ID1_REV 0x000F /* model number */ - -/* MII NWAY Register Bits ... - valid for the ANAR (Auto-Negotiation Advertisement) and - ANLPAR (Auto-Negotiation Link Partner) registers */ -enum mii_nway_register_bits { - MII_NWAY_NODE_SEL = 0x001f, MII_NWAY_CSMA_CD = 0x0001, - MII_NWAY_T = 0x0020, MII_NWAY_T_FDX = 0x0040, - MII_NWAY_TX = 0x0080, MII_NWAY_TX_FDX = 0x0100, - MII_NWAY_T4 = 0x0200, MII_NWAY_PAUSE = 0x0400, - MII_NWAY_RF = 0x2000, MII_NWAY_ACK = 0x4000, - MII_NWAY_NP = 0x8000 -}; - -enum mii_stsout_register_bits { - MII_STSOUT_LINK_FAIL = 0x4000, - MII_STSOUT_SPD = 0x0080, MII_STSOUT_DPLX = 0x0040 -}; - -enum mii_stsics_register_bits { - MII_STSICS_SPD = 0x8000, MII_STSICS_DPLX = 0x4000, - MII_STSICS_LINKSTS = 0x0001 -}; - -enum mii_stssum_register_bits { - MII_STSSUM_LINK = 0x0008, MII_STSSUM_DPLX = 0x0004, - MII_STSSUM_AUTO = 0x0002, MII_STSSUM_SPD = 0x0001 -}; - -enum sis900_revision_id { - SIS630A_900_REV = 0x80, SIS630E_900_REV = 0x81, - SIS630S_900_REV = 0x82, SIS630EA1_900_REV = 0x83, - SIS630ET_900_REV = 0x84, SIS635A_900_REV = 0x90, - SIS96x_900_REV = 0X91, SIS900B_900_REV = 0x03 -}; - -enum sis630_revision_id { - SIS630A0 = 0x00, SIS630A1 = 0x01, - SIS630B0 = 0x10, SIS630B1 = 0x11 -}; - -#define FDX_CAPABLE_DUPLEX_UNKNOWN 0 -#define FDX_CAPABLE_HALF_SELECTED 1 -#define FDX_CAPABLE_FULL_SELECTED 2 - -#define HW_SPEED_UNCONFIG 0 -#define HW_SPEED_HOME 1 -#define HW_SPEED_10_MBPS 10 -#define HW_SPEED_100_MBPS 100 -#define HW_SPEED_DEFAULT (HW_SPEED_100_MBPS) - -#define CRC_SIZE 4 -#define MAC_HEADER_SIZE 14 - -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) -#define MAX_FRAME_SIZE (1518 + 4) -#else -#define MAX_FRAME_SIZE 1518 -#endif /* CONFIG_VLAN_802_1Q */ - -#define TX_BUF_SIZE (MAX_FRAME_SIZE+18) -#define RX_BUF_SIZE (MAX_FRAME_SIZE+18) - -#define NUM_TX_DESC 16 /* Number of Tx descriptor registers. */ -#define NUM_RX_DESC 16 /* Number of Rx descriptor registers. */ -#define TX_TOTAL_SIZE NUM_TX_DESC*sizeof(BufferDesc) -#define RX_TOTAL_SIZE NUM_RX_DESC*sizeof(BufferDesc) - -/* PCI stuff, should be move to pci.h */ -#define SIS630_VENDOR_ID 0x1039 -#define SIS630_DEVICE_ID 0x0630 |