2 sis190.c: Silicon Integrated Systems SiS190 ethernet driver
4 Copyright (c) 2003 K.M. Liu <kmliu@sis.com>
5 Copyright (c) 2003, 2004 Jeff Garzik <jgarzik@pobox.com>
6 Copyright (c) 2003, 2004, 2005 Francois Romieu <romieu@fr.zoreil.com>
8 Based on r8169.c, tg3.c, 8139cp.c, skge.c, epic100.c and SiS 190/191
11 This software may be used and distributed according to the terms of
12 the GNU General Public License (GPL), incorporated herein by reference.
13 Drivers based on or derived from this code fall under the GPL and must
14 retain the authorship, copyright and license notice. This file is not
15 a complete program and may only be used when the entire operating
16 system is licensed under the GPL.
18 See the file COPYING in this distribution for more information.
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/netdevice.h>
25 #include <linux/rtnetlink.h>
26 #include <linux/etherdevice.h>
27 #include <linux/ethtool.h>
28 #include <linux/pci.h>
29 #include <linux/mii.h>
30 #include <linux/delay.h>
31 #include <linux/crc32.h>
32 #include <linux/dma-mapping.h>
35 #define net_drv(p, arg...) if (netif_msg_drv(p)) \
37 #define net_probe(p, arg...) if (netif_msg_probe(p)) \
39 #define net_link(p, arg...) if (netif_msg_link(p)) \
41 #define net_intr(p, arg...) if (netif_msg_intr(p)) \
43 #define net_tx_err(p, arg...) if (netif_msg_tx_err(p)) \
46 #define PHY_MAX_ADDR 32
47 #define PHY_ID_ANY 0x1f
48 #define MII_REG_ANY 0x1f
50 #define DRV_VERSION "1.2"
51 #define DRV_NAME "sis190"
52 #define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION
53 #define PFX DRV_NAME ": "
55 #define sis190_rx_skb netif_rx
56 #define sis190_rx_quota(count, quota) count
58 #define MAC_ADDR_LEN 6
60 #define NUM_TX_DESC 64 /* [8..1024] */
61 #define NUM_RX_DESC 64 /* [8..8192] */
62 #define TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
63 #define RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
64 #define RX_BUF_SIZE 1536
65 #define RX_BUF_MASK 0xfff8
67 #define SIS190_REGS_SIZE 0x80
68 #define SIS190_TX_TIMEOUT (6*HZ)
69 #define SIS190_PHY_TIMEOUT (10*HZ)
70 #define SIS190_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | \
71 NETIF_MSG_LINK | NETIF_MSG_IFUP | \
74 /* Enhanced PHY access register bit definitions */
75 #define EhnMIIread 0x0000
76 #define EhnMIIwrite 0x0020
77 #define EhnMIIdataShift 16
78 #define EhnMIIpmdShift 6 /* 7016 only */
79 #define EhnMIIregShift 11
80 #define EhnMIIreq 0x0010
81 #define EhnMIInotDone 0x0010
83 /* Write/read MMIO register */
84 #define SIS_W8(reg, val) writeb ((val), ioaddr + (reg))
85 #define SIS_W16(reg, val) writew ((val), ioaddr + (reg))
86 #define SIS_W32(reg, val) writel ((val), ioaddr + (reg))
87 #define SIS_R8(reg) readb (ioaddr + (reg))
88 #define SIS_R16(reg) readw (ioaddr + (reg))
89 #define SIS_R32(reg) readl (ioaddr + (reg))
91 #define SIS_PCI_COMMIT() SIS_R32(IntrControl)
93 enum sis190_registers {
95 TxDescStartAddr = 0x04,
96 rsv0 = 0x08, // reserved
97 TxSts = 0x0c, // unused (Control/Status)
99 RxDescStartAddr = 0x14,
100 rsv1 = 0x18, // reserved
101 RxSts = 0x1c, // unused
105 IntrTimer = 0x2c, // unused (Interupt Timer)
106 PMControl = 0x30, // unused (Power Mgmt Control/Status)
107 rsv2 = 0x34, // reserved
110 StationControl = 0x40,
112 GIoCR = 0x48, // unused (GMAC IO Compensation)
113 GIoCtrl = 0x4c, // unused (GMAC IO Control)
115 TxLimit = 0x54, // unused (Tx MAC Timer/TryLimit)
116 RGDelay = 0x58, // unused (RGMII Tx Internal Delay)
117 rsv3 = 0x5c, // reserved
121 // Undocumented = 0x6c,
123 RxWolData = 0x74, // unused (Rx WOL Data Access)
124 RxMPSControl = 0x78, // unused (Rx MPS Control)
125 rsv4 = 0x7c, // reserved
128 enum sis190_register_content {
130 SoftInt = 0x40000000, // unused
131 Timeup = 0x20000000, // unused
132 PauseFrame = 0x00080000, // unused
133 MagicPacket = 0x00040000, // unused
134 WakeupFrame = 0x00020000, // unused
135 LinkChange = 0x00010000,
136 RxQEmpty = 0x00000080,
138 TxQ1Empty = 0x00000020, // unused
139 TxQ1Int = 0x00000010,
140 TxQ0Empty = 0x00000008, // unused
141 TxQ0Int = 0x00000004,
147 CmdRxEnb = 0x08, // unused
149 RxBufEmpty = 0x01, // unused
152 Cfg9346_Lock = 0x00, // unused
153 Cfg9346_Unlock = 0xc0, // unused
156 AcceptErr = 0x20, // unused
157 AcceptRunt = 0x10, // unused
158 AcceptBroadcast = 0x0800,
159 AcceptMulticast = 0x0400,
160 AcceptMyPhys = 0x0200,
161 AcceptAllPhys = 0x0100,
165 RxCfgDMAShift = 8, // 0x1a in RxControl ?
168 TxInterFrameGapShift = 24,
169 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
171 LinkStatus = 0x02, // unused
172 FullDup = 0x01, // unused
175 TBILinkOK = 0x02000000, // unused
192 enum _DescStatusBit {
194 OWNbit = 0x80000000, // RXOWN/TXOWN
195 INTbit = 0x40000000, // RXINT/TXINT
196 CRCbit = 0x00020000, // CRCOFF/CRCEN
197 PADbit = 0x00010000, // PREADD/PADEN
199 RingEnd = 0x80000000,
201 LSEN = 0x08000000, // TSO ? -- FR
220 ColCountMask = 0x0000ffff,
234 RxDescCountMask = 0x7f000000, // multi-desc pkt when > 1 ? -- FR
243 RxSizeMask = 0x0000ffff
245 * The asic could apparently do vlan, TSO, jumbo (sis191 only) and
246 * provide two (unused with Linux) Tx queues. No publically
247 * available documentation alas.
251 enum sis190_eeprom_access_register_bits {
252 EECS = 0x00000001, // unused
253 EECLK = 0x00000002, // unused
254 EEDO = 0x00000008, // unused
255 EEDI = 0x00000004, // unused
258 EEWOP = 0x00000100 // unused
261 /* EEPROM Addresses */
262 enum sis190_eeprom_address {
263 EEPROMSignature = 0x00,
264 EEPROMCLK = 0x01, // unused
269 enum sis190_feature {
275 struct sis190_private {
276 void __iomem *mmio_addr;
277 struct pci_dev *pci_dev;
278 struct net_device *dev;
287 struct RxDesc *RxDescRing;
288 struct TxDesc *TxDescRing;
289 struct sk_buff *Rx_skbuff[NUM_RX_DESC];
290 struct sk_buff *Tx_skbuff[NUM_TX_DESC];
291 struct work_struct phy_task;
292 struct timer_list timer;
294 struct mii_if_info mii_if;
295 struct list_head first_phy;
300 struct list_head list;
307 enum sis190_phy_type {
314 static struct mii_chip_info {
319 } mii_chip_table[] = {
320 { "Atheros PHY AR8012", { 0x004d, 0xd020 }, LAN, 0 },
321 { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 },
322 { "Broadcom PHY AC131", { 0x0143, 0xbc70 }, LAN, 0 },
323 { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 },
324 { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 },
325 { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 },
329 static const struct {
331 } sis_chip_info[] = {
332 { "SiS 190 PCI Fast Ethernet adapter" },
333 { "SiS 191 PCI Gigabit Ethernet adapter" },
336 static struct pci_device_id sis190_pci_tbl[] = {
337 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 },
338 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 },
342 MODULE_DEVICE_TABLE(pci, sis190_pci_tbl);
344 static int rx_copybreak = 200;
350 MODULE_DESCRIPTION("SiS sis190 Gigabit Ethernet driver");
351 module_param(rx_copybreak, int, 0);
352 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
353 module_param_named(debug, debug.msg_enable, int, 0);
354 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
355 MODULE_AUTHOR("K.M. Liu <kmliu@sis.com>, Ueimor <romieu@fr.zoreil.com>");
356 MODULE_VERSION(DRV_VERSION);
357 MODULE_LICENSE("GPL");
359 static const u32 sis190_intr_mask =
360 RxQEmpty | RxQInt | TxQ1Int | TxQ0Int | RxHalt | TxHalt | LinkChange;
363 * Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
364 * The chips use a 64 element hash table based on the Ethernet CRC.
366 static const int multicast_filter_limit = 32;
368 static void __mdio_cmd(void __iomem *ioaddr, u32 ctl)
372 SIS_W32(GMIIControl, ctl);
376 for (i = 0; i < 100; i++) {
377 if (!(SIS_R32(GMIIControl) & EhnMIInotDone))
383 printk(KERN_ERR PFX "PHY command failed !\n");
386 static void mdio_write(void __iomem *ioaddr, int phy_id, int reg, int val)
388 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIwrite |
389 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift) |
390 (((u32) val) << EhnMIIdataShift));
393 static int mdio_read(void __iomem *ioaddr, int phy_id, int reg)
395 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIread |
396 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift));
398 return (u16) (SIS_R32(GMIIControl) >> EhnMIIdataShift);
401 static void __mdio_write(struct net_device *dev, int phy_id, int reg, int val)
403 struct sis190_private *tp = netdev_priv(dev);
405 mdio_write(tp->mmio_addr, phy_id, reg, val);
408 static int __mdio_read(struct net_device *dev, int phy_id, int reg)
410 struct sis190_private *tp = netdev_priv(dev);
412 return mdio_read(tp->mmio_addr, phy_id, reg);
415 static u16 mdio_read_latched(void __iomem *ioaddr, int phy_id, int reg)
417 mdio_read(ioaddr, phy_id, reg);
418 return mdio_read(ioaddr, phy_id, reg);
421 static u16 __devinit sis190_read_eeprom(void __iomem *ioaddr, u32 reg)
426 if (!(SIS_R32(ROMControl) & 0x0002))
429 SIS_W32(ROMInterface, EEREQ | EEROP | (reg << 10));
431 for (i = 0; i < 200; i++) {
432 if (!(SIS_R32(ROMInterface) & EEREQ)) {
433 data = (SIS_R32(ROMInterface) & 0xffff0000) >> 16;
442 static void sis190_irq_mask_and_ack(void __iomem *ioaddr)
444 SIS_W32(IntrMask, 0x00);
445 SIS_W32(IntrStatus, 0xffffffff);
449 static void sis190_asic_down(void __iomem *ioaddr)
451 /* Stop the chip's Tx and Rx DMA processes. */
453 SIS_W32(TxControl, 0x1a00);
454 SIS_W32(RxControl, 0x1a00);
456 sis190_irq_mask_and_ack(ioaddr);
459 static void sis190_mark_as_last_descriptor(struct RxDesc *desc)
461 desc->size |= cpu_to_le32(RingEnd);
464 static inline void sis190_give_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
466 u32 eor = le32_to_cpu(desc->size) & RingEnd;
469 desc->size = cpu_to_le32((rx_buf_sz & RX_BUF_MASK) | eor);
471 desc->status = cpu_to_le32(OWNbit | INTbit);
474 static inline void sis190_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
477 desc->addr = cpu_to_le32(mapping);
478 sis190_give_to_asic(desc, rx_buf_sz);
481 static inline void sis190_make_unusable_by_asic(struct RxDesc *desc)
484 desc->addr = cpu_to_le32(0xdeadbeef);
485 desc->size &= cpu_to_le32(RingEnd);
490 static struct sk_buff *sis190_alloc_rx_skb(struct sis190_private *tp,
493 u32 rx_buf_sz = tp->rx_buf_sz;
496 skb = netdev_alloc_skb(tp->dev, rx_buf_sz);
500 mapping = pci_map_single(tp->pci_dev, skb->data, tp->rx_buf_sz,
502 sis190_map_to_asic(desc, mapping, rx_buf_sz);
504 sis190_make_unusable_by_asic(desc);
509 static u32 sis190_rx_fill(struct sis190_private *tp, struct net_device *dev,
514 for (cur = start; cur < end; cur++) {
515 unsigned int i = cur % NUM_RX_DESC;
517 if (tp->Rx_skbuff[i])
520 tp->Rx_skbuff[i] = sis190_alloc_rx_skb(tp, tp->RxDescRing + i);
522 if (!tp->Rx_skbuff[i])
528 static bool sis190_try_rx_copy(struct sis190_private *tp,
529 struct sk_buff **sk_buff, int pkt_size,
535 if (pkt_size >= rx_copybreak)
538 skb = netdev_alloc_skb(tp->dev, pkt_size + 2);
542 pci_dma_sync_single_for_device(tp->pci_dev, addr, pkt_size,
545 skb_copy_to_linear_data(skb, sk_buff[0]->data, pkt_size);
552 static inline int sis190_rx_pkt_err(u32 status, struct net_device_stats *stats)
554 #define ErrMask (OVRUN | SHORT | LIMIT | MIIER | NIBON | COLON | ABORT)
556 if ((status & CRCOK) && !(status & ErrMask))
559 if (!(status & CRCOK))
560 stats->rx_crc_errors++;
561 else if (status & OVRUN)
562 stats->rx_over_errors++;
563 else if (status & (SHORT | LIMIT))
564 stats->rx_length_errors++;
565 else if (status & (MIIER | NIBON | COLON))
566 stats->rx_frame_errors++;
572 static int sis190_rx_interrupt(struct net_device *dev,
573 struct sis190_private *tp, void __iomem *ioaddr)
575 struct net_device_stats *stats = &dev->stats;
576 u32 rx_left, cur_rx = tp->cur_rx;
579 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
580 rx_left = sis190_rx_quota(rx_left, (u32) dev->quota);
582 for (; rx_left > 0; rx_left--, cur_rx++) {
583 unsigned int entry = cur_rx % NUM_RX_DESC;
584 struct RxDesc *desc = tp->RxDescRing + entry;
587 if (le32_to_cpu(desc->status) & OWNbit)
590 status = le32_to_cpu(desc->PSize);
592 // net_intr(tp, KERN_INFO "%s: Rx PSize = %08x.\n", dev->name,
595 if (sis190_rx_pkt_err(status, stats) < 0)
596 sis190_give_to_asic(desc, tp->rx_buf_sz);
598 struct sk_buff *skb = tp->Rx_skbuff[entry];
599 dma_addr_t addr = le32_to_cpu(desc->addr);
600 int pkt_size = (status & RxSizeMask) - 4;
601 struct pci_dev *pdev = tp->pci_dev;
603 if (unlikely(pkt_size > tp->rx_buf_sz)) {
604 net_intr(tp, KERN_INFO
605 "%s: (frag) status = %08x.\n",
608 stats->rx_length_errors++;
609 sis190_give_to_asic(desc, tp->rx_buf_sz);
614 if (sis190_try_rx_copy(tp, &skb, pkt_size, addr)) {
615 pci_dma_sync_single_for_device(pdev, addr,
616 tp->rx_buf_sz, PCI_DMA_FROMDEVICE);
617 sis190_give_to_asic(desc, tp->rx_buf_sz);
619 pci_unmap_single(pdev, addr, tp->rx_buf_sz,
621 tp->Rx_skbuff[entry] = NULL;
622 sis190_make_unusable_by_asic(desc);
625 skb_put(skb, pkt_size);
626 skb->protocol = eth_type_trans(skb, dev);
631 stats->rx_bytes += pkt_size;
632 if ((status & BCAST) == MCAST)
636 count = cur_rx - tp->cur_rx;
639 delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
640 if (!delta && count && netif_msg_intr(tp))
641 printk(KERN_INFO "%s: no Rx buffer allocated.\n", dev->name);
642 tp->dirty_rx += delta;
644 if (((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) && netif_msg_intr(tp))
645 printk(KERN_EMERG "%s: Rx buffers exhausted.\n", dev->name);
650 static void sis190_unmap_tx_skb(struct pci_dev *pdev, struct sk_buff *skb,
655 len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
657 pci_unmap_single(pdev, le32_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
659 memset(desc, 0x00, sizeof(*desc));
662 static inline int sis190_tx_pkt_err(u32 status, struct net_device_stats *stats)
664 #define TxErrMask (WND | TABRT | FIFO | LINK)
666 if (!unlikely(status & TxErrMask))
670 stats->tx_window_errors++;
672 stats->tx_aborted_errors++;
674 stats->tx_fifo_errors++;
676 stats->tx_carrier_errors++;
683 static void sis190_tx_interrupt(struct net_device *dev,
684 struct sis190_private *tp, void __iomem *ioaddr)
686 struct net_device_stats *stats = &dev->stats;
687 u32 pending, dirty_tx = tp->dirty_tx;
689 * It would not be needed if queueing was allowed to be enabled
690 * again too early (hint: think preempt and unclocked smp systems).
692 unsigned int queue_stopped;
695 pending = tp->cur_tx - dirty_tx;
696 queue_stopped = (pending == NUM_TX_DESC);
698 for (; pending; pending--, dirty_tx++) {
699 unsigned int entry = dirty_tx % NUM_TX_DESC;
700 struct TxDesc *txd = tp->TxDescRing + entry;
701 u32 status = le32_to_cpu(txd->status);
707 skb = tp->Tx_skbuff[entry];
709 if (likely(sis190_tx_pkt_err(status, stats) == 0)) {
711 stats->tx_bytes += skb->len;
712 stats->collisions += ((status & ColCountMask) - 1);
715 sis190_unmap_tx_skb(tp->pci_dev, skb, txd);
716 tp->Tx_skbuff[entry] = NULL;
717 dev_kfree_skb_irq(skb);
720 if (tp->dirty_tx != dirty_tx) {
721 tp->dirty_tx = dirty_tx;
724 netif_wake_queue(dev);
729 * The interrupt handler does all of the Rx thread work and cleans up after
732 static irqreturn_t sis190_interrupt(int irq, void *__dev)
734 struct net_device *dev = __dev;
735 struct sis190_private *tp = netdev_priv(dev);
736 void __iomem *ioaddr = tp->mmio_addr;
737 unsigned int handled = 0;
740 status = SIS_R32(IntrStatus);
742 if ((status == 0xffffffff) || !status)
747 if (unlikely(!netif_running(dev))) {
748 sis190_asic_down(ioaddr);
752 SIS_W32(IntrStatus, status);
754 // net_intr(tp, KERN_INFO "%s: status = %08x.\n", dev->name, status);
756 if (status & LinkChange) {
757 net_intr(tp, KERN_INFO "%s: link change.\n", dev->name);
758 schedule_work(&tp->phy_task);
762 sis190_rx_interrupt(dev, tp, ioaddr);
764 if (status & TxQ0Int)
765 sis190_tx_interrupt(dev, tp, ioaddr);
767 return IRQ_RETVAL(handled);
770 #ifdef CONFIG_NET_POLL_CONTROLLER
771 static void sis190_netpoll(struct net_device *dev)
773 struct sis190_private *tp = netdev_priv(dev);
774 struct pci_dev *pdev = tp->pci_dev;
776 disable_irq(pdev->irq);
777 sis190_interrupt(pdev->irq, dev);
778 enable_irq(pdev->irq);
782 static void sis190_free_rx_skb(struct sis190_private *tp,
783 struct sk_buff **sk_buff, struct RxDesc *desc)
785 struct pci_dev *pdev = tp->pci_dev;
787 pci_unmap_single(pdev, le32_to_cpu(desc->addr), tp->rx_buf_sz,
789 dev_kfree_skb(*sk_buff);
791 sis190_make_unusable_by_asic(desc);
794 static void sis190_rx_clear(struct sis190_private *tp)
798 for (i = 0; i < NUM_RX_DESC; i++) {
799 if (!tp->Rx_skbuff[i])
801 sis190_free_rx_skb(tp, tp->Rx_skbuff + i, tp->RxDescRing + i);
805 static void sis190_init_ring_indexes(struct sis190_private *tp)
807 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
810 static int sis190_init_ring(struct net_device *dev)
812 struct sis190_private *tp = netdev_priv(dev);
814 sis190_init_ring_indexes(tp);
816 memset(tp->Tx_skbuff, 0x0, NUM_TX_DESC * sizeof(struct sk_buff *));
817 memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
819 if (sis190_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
822 sis190_mark_as_last_descriptor(tp->RxDescRing + NUM_RX_DESC - 1);
831 static void sis190_set_rx_mode(struct net_device *dev)
833 struct sis190_private *tp = netdev_priv(dev);
834 void __iomem *ioaddr = tp->mmio_addr;
836 u32 mc_filter[2]; /* Multicast hash filter */
839 if (dev->flags & IFF_PROMISC) {
841 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
843 mc_filter[1] = mc_filter[0] = 0xffffffff;
844 } else if ((dev->mc_count > multicast_filter_limit) ||
845 (dev->flags & IFF_ALLMULTI)) {
846 /* Too many to filter perfectly -- accept all multicasts. */
847 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
848 mc_filter[1] = mc_filter[0] = 0xffffffff;
850 struct dev_mc_list *mclist;
853 rx_mode = AcceptBroadcast | AcceptMyPhys;
854 mc_filter[1] = mc_filter[0] = 0;
855 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
856 i++, mclist = mclist->next) {
858 ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f;
859 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
860 rx_mode |= AcceptMulticast;
864 spin_lock_irqsave(&tp->lock, flags);
866 SIS_W16(RxMacControl, rx_mode | 0x2);
867 SIS_W32(RxHashTable, mc_filter[0]);
868 SIS_W32(RxHashTable + 4, mc_filter[1]);
870 spin_unlock_irqrestore(&tp->lock, flags);
873 static void sis190_soft_reset(void __iomem *ioaddr)
875 SIS_W32(IntrControl, 0x8000);
877 SIS_W32(IntrControl, 0x0);
878 sis190_asic_down(ioaddr);
881 static void sis190_hw_start(struct net_device *dev)
883 struct sis190_private *tp = netdev_priv(dev);
884 void __iomem *ioaddr = tp->mmio_addr;
886 sis190_soft_reset(ioaddr);
888 SIS_W32(TxDescStartAddr, tp->tx_dma);
889 SIS_W32(RxDescStartAddr, tp->rx_dma);
891 SIS_W32(IntrStatus, 0xffffffff);
892 SIS_W32(IntrMask, 0x0);
893 SIS_W32(GMIIControl, 0x0);
894 SIS_W32(TxMacControl, 0x60);
895 SIS_W16(RxMacControl, 0x02);
896 SIS_W32(RxHashTable, 0x0);
898 SIS_W32(RxWolCtrl, 0x0);
899 SIS_W32(RxWolData, 0x0);
903 sis190_set_rx_mode(dev);
905 /* Enable all known interrupts by setting the interrupt mask. */
906 SIS_W32(IntrMask, sis190_intr_mask);
908 SIS_W32(TxControl, 0x1a00 | CmdTxEnb);
909 SIS_W32(RxControl, 0x1a1d);
911 netif_start_queue(dev);
914 static void sis190_phy_task(struct work_struct *work)
916 struct sis190_private *tp =
917 container_of(work, struct sis190_private, phy_task);
918 struct net_device *dev = tp->dev;
919 void __iomem *ioaddr = tp->mmio_addr;
920 int phy_id = tp->mii_if.phy_id;
925 if (!netif_running(dev))
928 val = mdio_read(ioaddr, phy_id, MII_BMCR);
929 if (val & BMCR_RESET) {
930 // FIXME: needlessly high ? -- FR 02/07/2005
931 mod_timer(&tp->timer, jiffies + HZ/10);
932 } else if (!(mdio_read_latched(ioaddr, phy_id, MII_BMSR) &
933 BMSR_ANEGCOMPLETE)) {
934 netif_carrier_off(dev);
935 net_link(tp, KERN_WARNING "%s: auto-negotiating...\n",
937 mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT);
945 { LPA_1000XFULL | LPA_SLCT, 0x07000c00 | 0x00001000,
946 "1000 Mbps Full Duplex" },
947 { LPA_1000XHALF | LPA_SLCT, 0x07000c00,
948 "1000 Mbps Half Duplex" },
949 { LPA_100FULL, 0x04000800 | 0x00001000,
950 "100 Mbps Full Duplex" },
951 { LPA_100HALF, 0x04000800,
952 "100 Mbps Half Duplex" },
953 { LPA_10FULL, 0x04000400 | 0x00001000,
954 "10 Mbps Full Duplex" },
955 { LPA_10HALF, 0x04000400,
956 "10 Mbps Half Duplex" },
957 { 0, 0x04000400, "unknown" }
961 val = mdio_read(ioaddr, phy_id, 0x1f);
962 net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val);
964 val = mdio_read(ioaddr, phy_id, MII_LPA);
965 adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
966 net_link(tp, KERN_INFO "%s: mii lpa = %04x adv = %04x.\n",
967 dev->name, val, adv);
971 for (p = reg31; p->val; p++) {
972 if ((val & p->val) == p->val)
976 p->ctl |= SIS_R32(StationControl) & ~0x0f001c00;
978 if ((tp->features & F_HAS_RGMII) &&
979 (tp->features & F_PHY_BCM5461)) {
980 // Set Tx Delay in RGMII mode.
981 mdio_write(ioaddr, phy_id, 0x18, 0xf1c7);
983 mdio_write(ioaddr, phy_id, 0x1c, 0x8c00);
984 p->ctl |= 0x03000000;
987 SIS_W32(StationControl, p->ctl);
989 if (tp->features & F_HAS_RGMII) {
990 SIS_W32(RGDelay, 0x0441);
991 SIS_W32(RGDelay, 0x0440);
994 net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
996 netif_carrier_on(dev);
1003 static void sis190_phy_timer(unsigned long __opaque)
1005 struct net_device *dev = (struct net_device *)__opaque;
1006 struct sis190_private *tp = netdev_priv(dev);
1008 if (likely(netif_running(dev)))
1009 schedule_work(&tp->phy_task);
1012 static inline void sis190_delete_timer(struct net_device *dev)
1014 struct sis190_private *tp = netdev_priv(dev);
1016 del_timer_sync(&tp->timer);
1019 static inline void sis190_request_timer(struct net_device *dev)
1021 struct sis190_private *tp = netdev_priv(dev);
1022 struct timer_list *timer = &tp->timer;
1025 timer->expires = jiffies + SIS190_PHY_TIMEOUT;
1026 timer->data = (unsigned long)dev;
1027 timer->function = sis190_phy_timer;
1031 static void sis190_set_rxbufsize(struct sis190_private *tp,
1032 struct net_device *dev)
1034 unsigned int mtu = dev->mtu;
1036 tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;
1037 /* RxDesc->size has a licence to kill the lower bits */
1038 if (tp->rx_buf_sz & 0x07) {
1040 tp->rx_buf_sz &= RX_BUF_MASK;
1044 static int sis190_open(struct net_device *dev)
1046 struct sis190_private *tp = netdev_priv(dev);
1047 struct pci_dev *pdev = tp->pci_dev;
1050 sis190_set_rxbufsize(tp, dev);
1053 * Rx and Tx descriptors need 256 bytes alignment.
1054 * pci_alloc_consistent() guarantees a stronger alignment.
1056 tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma);
1057 if (!tp->TxDescRing)
1060 tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma);
1061 if (!tp->RxDescRing)
1064 rc = sis190_init_ring(dev);
1068 sis190_request_timer(dev);
1070 rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev);
1072 goto err_release_timer_2;
1074 sis190_hw_start(dev);
1078 err_release_timer_2:
1079 sis190_delete_timer(dev);
1080 sis190_rx_clear(tp);
1082 pci_free_consistent(tp->pci_dev, RX_RING_BYTES, tp->RxDescRing,
1085 pci_free_consistent(tp->pci_dev, TX_RING_BYTES, tp->TxDescRing,
1090 static void sis190_tx_clear(struct sis190_private *tp)
1094 for (i = 0; i < NUM_TX_DESC; i++) {
1095 struct sk_buff *skb = tp->Tx_skbuff[i];
1100 sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i);
1101 tp->Tx_skbuff[i] = NULL;
1104 tp->dev->stats.tx_dropped++;
1106 tp->cur_tx = tp->dirty_tx = 0;
1109 static void sis190_down(struct net_device *dev)
1111 struct sis190_private *tp = netdev_priv(dev);
1112 void __iomem *ioaddr = tp->mmio_addr;
1113 unsigned int poll_locked = 0;
1115 sis190_delete_timer(dev);
1117 netif_stop_queue(dev);
1120 spin_lock_irq(&tp->lock);
1122 sis190_asic_down(ioaddr);
1124 spin_unlock_irq(&tp->lock);
1126 synchronize_irq(dev->irq);
1131 synchronize_sched();
1133 } while (SIS_R32(IntrMask));
1135 sis190_tx_clear(tp);
1136 sis190_rx_clear(tp);
1139 static int sis190_close(struct net_device *dev)
1141 struct sis190_private *tp = netdev_priv(dev);
1142 struct pci_dev *pdev = tp->pci_dev;
1146 free_irq(dev->irq, dev);
1148 pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);
1149 pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);
1151 tp->TxDescRing = NULL;
1152 tp->RxDescRing = NULL;
1157 static int sis190_start_xmit(struct sk_buff *skb, struct net_device *dev)
1159 struct sis190_private *tp = netdev_priv(dev);
1160 void __iomem *ioaddr = tp->mmio_addr;
1161 u32 len, entry, dirty_tx;
1162 struct TxDesc *desc;
1165 if (unlikely(skb->len < ETH_ZLEN)) {
1166 if (skb_padto(skb, ETH_ZLEN)) {
1167 dev->stats.tx_dropped++;
1175 entry = tp->cur_tx % NUM_TX_DESC;
1176 desc = tp->TxDescRing + entry;
1178 if (unlikely(le32_to_cpu(desc->status) & OWNbit)) {
1179 netif_stop_queue(dev);
1180 net_tx_err(tp, KERN_ERR PFX
1181 "%s: BUG! Tx Ring full when queue awake!\n",
1183 return NETDEV_TX_BUSY;
1186 mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
1188 tp->Tx_skbuff[entry] = skb;
1190 desc->PSize = cpu_to_le32(len);
1191 desc->addr = cpu_to_le32(mapping);
1193 desc->size = cpu_to_le32(len);
1194 if (entry == (NUM_TX_DESC - 1))
1195 desc->size |= cpu_to_le32(RingEnd);
1199 desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
1205 SIS_W32(TxControl, 0x1a00 | CmdReset | CmdTxEnb);
1207 dirty_tx = tp->dirty_tx;
1208 if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) {
1209 netif_stop_queue(dev);
1211 if (dirty_tx != tp->dirty_tx)
1212 netif_wake_queue(dev);
1215 return NETDEV_TX_OK;
1218 static void sis190_free_phy(struct list_head *first_phy)
1220 struct sis190_phy *cur, *next;
1222 list_for_each_entry_safe(cur, next, first_phy, list) {
1228 * sis190_default_phy - Select default PHY for sis190 mac.
1229 * @dev: the net device to probe for
1231 * Select first detected PHY with link as default.
1232 * If no one is link on, select PHY whose types is HOME as default.
1233 * If HOME doesn't exist, select LAN.
1235 static u16 sis190_default_phy(struct net_device *dev)
1237 struct sis190_phy *phy, *phy_home, *phy_default, *phy_lan;
1238 struct sis190_private *tp = netdev_priv(dev);
1239 struct mii_if_info *mii_if = &tp->mii_if;
1240 void __iomem *ioaddr = tp->mmio_addr;
1243 phy_home = phy_default = phy_lan = NULL;
1245 list_for_each_entry(phy, &tp->first_phy, list) {
1246 status = mdio_read_latched(ioaddr, phy->phy_id, MII_BMSR);
1248 // Link ON & Not select default PHY & not ghost PHY.
1249 if ((status & BMSR_LSTATUS) &&
1251 (phy->type != UNKNOWN)) {
1254 status = mdio_read(ioaddr, phy->phy_id, MII_BMCR);
1255 mdio_write(ioaddr, phy->phy_id, MII_BMCR,
1256 status | BMCR_ANENABLE | BMCR_ISOLATE);
1257 if (phy->type == HOME)
1259 else if (phy->type == LAN)
1266 phy_default = phy_home;
1268 phy_default = phy_lan;
1270 phy_default = list_entry(&tp->first_phy,
1271 struct sis190_phy, list);
1274 if (mii_if->phy_id != phy_default->phy_id) {
1275 mii_if->phy_id = phy_default->phy_id;
1276 net_probe(tp, KERN_INFO
1277 "%s: Using transceiver at address %d as default.\n",
1278 pci_name(tp->pci_dev), mii_if->phy_id);
1281 status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR);
1282 status &= (~BMCR_ISOLATE);
1284 mdio_write(ioaddr, mii_if->phy_id, MII_BMCR, status);
1285 status = mdio_read_latched(ioaddr, mii_if->phy_id, MII_BMSR);
1290 static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp,
1291 struct sis190_phy *phy, unsigned int phy_id,
1294 void __iomem *ioaddr = tp->mmio_addr;
1295 struct mii_chip_info *p;
1297 INIT_LIST_HEAD(&phy->list);
1298 phy->status = mii_status;
1299 phy->phy_id = phy_id;
1301 phy->id[0] = mdio_read(ioaddr, phy_id, MII_PHYSID1);
1302 phy->id[1] = mdio_read(ioaddr, phy_id, MII_PHYSID2);
1304 for (p = mii_chip_table; p->type; p++) {
1305 if ((p->id[0] == phy->id[0]) &&
1306 (p->id[1] == (phy->id[1] & 0xfff0))) {
1312 phy->type = (p->type == MIX) ?
1313 ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ?
1314 LAN : HOME) : p->type;
1315 tp->features |= p->feature;
1317 phy->type = UNKNOWN;
1319 net_probe(tp, KERN_INFO "%s: %s transceiver at address %d.\n",
1320 pci_name(tp->pci_dev),
1321 (phy->type == UNKNOWN) ? "Unknown PHY" : p->name, phy_id);
1324 static void sis190_mii_probe_88e1111_fixup(struct sis190_private *tp)
1326 if (tp->features & F_PHY_88E1111) {
1327 void __iomem *ioaddr = tp->mmio_addr;
1328 int phy_id = tp->mii_if.phy_id;
1334 p = (tp->features & F_HAS_RGMII) ? reg[0] : reg[1];
1336 mdio_write(ioaddr, phy_id, 0x1b, p[0]);
1338 mdio_write(ioaddr, phy_id, 0x14, p[1]);
1344 * sis190_mii_probe - Probe MII PHY for sis190
1345 * @dev: the net device to probe for
1347 * Search for total of 32 possible mii phy addresses.
1348 * Identify and set current phy if found one,
1349 * return error if it failed to found.
1351 static int __devinit sis190_mii_probe(struct net_device *dev)
1353 struct sis190_private *tp = netdev_priv(dev);
1354 struct mii_if_info *mii_if = &tp->mii_if;
1355 void __iomem *ioaddr = tp->mmio_addr;
1359 INIT_LIST_HEAD(&tp->first_phy);
1361 for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
1362 struct sis190_phy *phy;
1365 status = mdio_read_latched(ioaddr, phy_id, MII_BMSR);
1367 // Try next mii if the current one is not accessible.
1368 if (status == 0xffff || status == 0x0000)
1371 phy = kmalloc(sizeof(*phy), GFP_KERNEL);
1373 sis190_free_phy(&tp->first_phy);
1378 sis190_init_phy(dev, tp, phy, phy_id, status);
1380 list_add(&tp->first_phy, &phy->list);
1383 if (list_empty(&tp->first_phy)) {
1384 net_probe(tp, KERN_INFO "%s: No MII transceivers found!\n",
1385 pci_name(tp->pci_dev));
1390 /* Select default PHY for mac */
1391 sis190_default_phy(dev);
1393 sis190_mii_probe_88e1111_fixup(tp);
1396 mii_if->mdio_read = __mdio_read;
1397 mii_if->mdio_write = __mdio_write;
1398 mii_if->phy_id_mask = PHY_ID_ANY;
1399 mii_if->reg_num_mask = MII_REG_ANY;
1404 static void sis190_mii_remove(struct net_device *dev)
1406 struct sis190_private *tp = netdev_priv(dev);
1408 sis190_free_phy(&tp->first_phy);
1411 static void sis190_release_board(struct pci_dev *pdev)
1413 struct net_device *dev = pci_get_drvdata(pdev);
1414 struct sis190_private *tp = netdev_priv(dev);
1416 iounmap(tp->mmio_addr);
1417 pci_release_regions(pdev);
1418 pci_disable_device(pdev);
1422 static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev)
1424 struct sis190_private *tp;
1425 struct net_device *dev;
1426 void __iomem *ioaddr;
1429 dev = alloc_etherdev(sizeof(*tp));
1431 net_drv(&debug, KERN_ERR PFX "unable to alloc new ethernet\n");
1436 SET_NETDEV_DEV(dev, &pdev->dev);
1438 tp = netdev_priv(dev);
1440 tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT);
1442 rc = pci_enable_device(pdev);
1444 net_probe(tp, KERN_ERR "%s: enable failure\n", pci_name(pdev));
1445 goto err_free_dev_1;
1450 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1451 net_probe(tp, KERN_ERR "%s: region #0 is no MMIO resource.\n",
1453 goto err_pci_disable_2;
1455 if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) {
1456 net_probe(tp, KERN_ERR "%s: invalid PCI region size(s).\n",
1458 goto err_pci_disable_2;
1461 rc = pci_request_regions(pdev, DRV_NAME);
1463 net_probe(tp, KERN_ERR PFX "%s: could not request regions.\n",
1465 goto err_pci_disable_2;
1468 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1470 net_probe(tp, KERN_ERR "%s: DMA configuration failed.\n",
1472 goto err_free_res_3;
1475 pci_set_master(pdev);
1477 ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE);
1479 net_probe(tp, KERN_ERR "%s: cannot remap MMIO, aborting\n",
1482 goto err_free_res_3;
1486 tp->mmio_addr = ioaddr;
1488 sis190_irq_mask_and_ack(ioaddr);
1490 sis190_soft_reset(ioaddr);
1495 pci_release_regions(pdev);
1497 pci_disable_device(pdev);
1505 static void sis190_tx_timeout(struct net_device *dev)
1507 struct sis190_private *tp = netdev_priv(dev);
1508 void __iomem *ioaddr = tp->mmio_addr;
1511 /* Disable Tx, if not already */
1512 tmp8 = SIS_R8(TxControl);
1513 if (tmp8 & CmdTxEnb)
1514 SIS_W8(TxControl, tmp8 & ~CmdTxEnb);
1517 net_tx_err(tp, KERN_INFO "%s: Transmit timeout, status %08x %08x.\n",
1518 dev->name, SIS_R32(TxControl), SIS_R32(TxSts));
1520 /* Disable interrupts by clearing the interrupt mask. */
1521 SIS_W32(IntrMask, 0x0000);
1523 /* Stop a shared interrupt from scavenging while we are. */
1524 spin_lock_irq(&tp->lock);
1525 sis190_tx_clear(tp);
1526 spin_unlock_irq(&tp->lock);
1528 /* ...and finally, reset everything. */
1529 sis190_hw_start(dev);
1531 netif_wake_queue(dev);
1534 static void sis190_set_rgmii(struct sis190_private *tp, u8 reg)
1536 tp->features |= (reg & 0x80) ? F_HAS_RGMII : 0;
1539 static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
1540 struct net_device *dev)
1542 struct sis190_private *tp = netdev_priv(dev);
1543 void __iomem *ioaddr = tp->mmio_addr;
1547 net_probe(tp, KERN_INFO "%s: Read MAC address from EEPROM\n",
1550 /* Check to see if there is a sane EEPROM */
1551 sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature);
1553 if ((sig == 0xffff) || (sig == 0x0000)) {
1554 net_probe(tp, KERN_INFO "%s: Error EEPROM read %x.\n",
1555 pci_name(pdev), sig);
1559 /* Get MAC address from EEPROM */
1560 for (i = 0; i < MAC_ADDR_LEN / 2; i++) {
1561 u16 w = sis190_read_eeprom(ioaddr, EEPROMMACAddr + i);
1563 ((__le16 *)dev->dev_addr)[i] = cpu_to_le16(w);
1566 sis190_set_rgmii(tp, sis190_read_eeprom(ioaddr, EEPROMInfo));
1572 * sis190_get_mac_addr_from_apc - Get MAC address for SiS96x model
1574 * @dev: network device to get address for
1576 * SiS96x model, use APC CMOS RAM to store MAC address.
1577 * APC CMOS RAM is accessed through ISA bridge.
1578 * MAC address is read into @net_dev->dev_addr.
1580 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
1581 struct net_device *dev)
1583 static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 };
1584 struct sis190_private *tp = netdev_priv(dev);
1585 struct pci_dev *isa_bridge;
1589 net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
1592 for (i = 0; i < ARRAY_SIZE(ids); i++) {
1593 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, ids[i], NULL);
1599 net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
1604 /* Enable port 78h & 79h to access APC Registers. */
1605 pci_read_config_byte(isa_bridge, 0x48, &tmp8);
1606 reg = (tmp8 & ~0x02);
1607 pci_write_config_byte(isa_bridge, 0x48, reg);
1609 pci_read_config_byte(isa_bridge, 0x48, ®);
1611 for (i = 0; i < MAC_ADDR_LEN; i++) {
1612 outb(0x9 + i, 0x78);
1613 dev->dev_addr[i] = inb(0x79);
1619 sis190_set_rgmii(tp, reg);
1621 /* Restore the value to ISA Bridge */
1622 pci_write_config_byte(isa_bridge, 0x48, tmp8);
1623 pci_dev_put(isa_bridge);
1629 * sis190_init_rxfilter - Initialize the Rx filter
1630 * @dev: network device to initialize
1632 * Set receive filter address to our MAC address
1633 * and enable packet filtering.
1635 static inline void sis190_init_rxfilter(struct net_device *dev)
1637 struct sis190_private *tp = netdev_priv(dev);
1638 void __iomem *ioaddr = tp->mmio_addr;
1642 ctl = SIS_R16(RxMacControl);
1644 * Disable packet filtering before setting filter.
1645 * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits
1646 * only and followed by RxMacAddr (6 bytes). Strange. -- FR
1648 SIS_W16(RxMacControl, ctl & ~0x0f00);
1650 for (i = 0; i < MAC_ADDR_LEN; i++)
1651 SIS_W8(RxMacAddr + i, dev->dev_addr[i]);
1653 SIS_W16(RxMacControl, ctl);
1657 static int __devinit sis190_get_mac_addr(struct pci_dev *pdev,
1658 struct net_device *dev)
1662 rc = sis190_get_mac_addr_from_eeprom(pdev, dev);
1666 pci_read_config_byte(pdev, 0x73, ®);
1668 if (reg & 0x00000001)
1669 rc = sis190_get_mac_addr_from_apc(pdev, dev);
1674 static void sis190_set_speed_auto(struct net_device *dev)
1676 struct sis190_private *tp = netdev_priv(dev);
1677 void __iomem *ioaddr = tp->mmio_addr;
1678 int phy_id = tp->mii_if.phy_id;
1681 net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name);
1683 val = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
1685 // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0
1687 mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) |
1688 ADVERTISE_100FULL | ADVERTISE_10FULL |
1689 ADVERTISE_100HALF | ADVERTISE_10HALF);
1691 // Enable 1000 Full Mode.
1692 mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL);
1694 // Enable auto-negotiation and restart auto-negotiation.
1695 mdio_write(ioaddr, phy_id, MII_BMCR,
1696 BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET);
1699 static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1701 struct sis190_private *tp = netdev_priv(dev);
1703 return mii_ethtool_gset(&tp->mii_if, cmd);
1706 static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1708 struct sis190_private *tp = netdev_priv(dev);
1710 return mii_ethtool_sset(&tp->mii_if, cmd);
1713 static void sis190_get_drvinfo(struct net_device *dev,
1714 struct ethtool_drvinfo *info)
1716 struct sis190_private *tp = netdev_priv(dev);
1718 strcpy(info->driver, DRV_NAME);
1719 strcpy(info->version, DRV_VERSION);
1720 strcpy(info->bus_info, pci_name(tp->pci_dev));
1723 static int sis190_get_regs_len(struct net_device *dev)
1725 return SIS190_REGS_SIZE;
1728 static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1731 struct sis190_private *tp = netdev_priv(dev);
1732 unsigned long flags;
1734 if (regs->len > SIS190_REGS_SIZE)
1735 regs->len = SIS190_REGS_SIZE;
1737 spin_lock_irqsave(&tp->lock, flags);
1738 memcpy_fromio(p, tp->mmio_addr, regs->len);
1739 spin_unlock_irqrestore(&tp->lock, flags);
1742 static int sis190_nway_reset(struct net_device *dev)
1744 struct sis190_private *tp = netdev_priv(dev);
1746 return mii_nway_restart(&tp->mii_if);
1749 static u32 sis190_get_msglevel(struct net_device *dev)
1751 struct sis190_private *tp = netdev_priv(dev);
1753 return tp->msg_enable;
1756 static void sis190_set_msglevel(struct net_device *dev, u32 value)
1758 struct sis190_private *tp = netdev_priv(dev);
1760 tp->msg_enable = value;
1763 static const struct ethtool_ops sis190_ethtool_ops = {
1764 .get_settings = sis190_get_settings,
1765 .set_settings = sis190_set_settings,
1766 .get_drvinfo = sis190_get_drvinfo,
1767 .get_regs_len = sis190_get_regs_len,
1768 .get_regs = sis190_get_regs,
1769 .get_link = ethtool_op_get_link,
1770 .get_msglevel = sis190_get_msglevel,
1771 .set_msglevel = sis190_set_msglevel,
1772 .nway_reset = sis190_nway_reset,
1775 static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1777 struct sis190_private *tp = netdev_priv(dev);
1779 return !netif_running(dev) ? -EINVAL :
1780 generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);
1783 static const struct net_device_ops sis190_netdev_ops = {
1784 .ndo_open = sis190_open,
1785 .ndo_stop = sis190_close,
1786 .ndo_do_ioctl = sis190_ioctl,
1787 .ndo_start_xmit = sis190_start_xmit,
1788 .ndo_tx_timeout = sis190_tx_timeout,
1789 .ndo_set_multicast_list = sis190_set_rx_mode,
1790 .ndo_change_mtu = eth_change_mtu,
1791 .ndo_set_mac_address = eth_mac_addr,
1792 .ndo_validate_addr = eth_validate_addr,
1793 #ifdef CONFIG_NET_POLL_CONTROLLER
1794 .ndo_poll_controller = sis190_netpoll,
1798 static int __devinit sis190_init_one(struct pci_dev *pdev,
1799 const struct pci_device_id *ent)
1801 static int printed_version = 0;
1802 struct sis190_private *tp;
1803 struct net_device *dev;
1804 void __iomem *ioaddr;
1807 if (!printed_version) {
1808 net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
1809 printed_version = 1;
1812 dev = sis190_init_board(pdev);
1818 pci_set_drvdata(pdev, dev);
1820 tp = netdev_priv(dev);
1821 ioaddr = tp->mmio_addr;
1823 rc = sis190_get_mac_addr(pdev, dev);
1825 goto err_release_board;
1827 sis190_init_rxfilter(dev);
1829 INIT_WORK(&tp->phy_task, sis190_phy_task);
1831 dev->netdev_ops = &sis190_netdev_ops;
1833 SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops);
1834 dev->irq = pdev->irq;
1835 dev->base_addr = (unsigned long) 0xdead;
1836 dev->watchdog_timeo = SIS190_TX_TIMEOUT;
1838 spin_lock_init(&tp->lock);
1840 rc = sis190_mii_probe(dev);
1842 goto err_release_board;
1844 rc = register_netdev(dev);
1846 goto err_remove_mii;
1848 net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), %pM\n",
1849 pci_name(pdev), sis_chip_info[ent->driver_data].name,
1850 ioaddr, dev->irq, dev->dev_addr);
1852 net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name,
1853 (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");
1855 netif_carrier_off(dev);
1857 sis190_set_speed_auto(dev);
1862 sis190_mii_remove(dev);
1864 sis190_release_board(pdev);
1868 static void __devexit sis190_remove_one(struct pci_dev *pdev)
1870 struct net_device *dev = pci_get_drvdata(pdev);
1872 sis190_mii_remove(dev);
1873 flush_scheduled_work();
1874 unregister_netdev(dev);
1875 sis190_release_board(pdev);
1876 pci_set_drvdata(pdev, NULL);
1879 static struct pci_driver sis190_pci_driver = {
1881 .id_table = sis190_pci_tbl,
1882 .probe = sis190_init_one,
1883 .remove = __devexit_p(sis190_remove_one),
1886 static int __init sis190_init_module(void)
1888 return pci_register_driver(&sis190_pci_driver);
1891 static void __exit sis190_cleanup_module(void)
1893 pci_unregister_driver(&sis190_pci_driver);
1896 module_init(sis190_init_module);
1897 module_exit(sis190_cleanup_module);