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);
630 dev->last_rx = jiffies;
632 stats->rx_bytes += pkt_size;
633 if ((status & BCAST) == MCAST)
637 count = cur_rx - tp->cur_rx;
640 delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
641 if (!delta && count && netif_msg_intr(tp))
642 printk(KERN_INFO "%s: no Rx buffer allocated.\n", dev->name);
643 tp->dirty_rx += delta;
645 if (((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) && netif_msg_intr(tp))
646 printk(KERN_EMERG "%s: Rx buffers exhausted.\n", dev->name);
651 static void sis190_unmap_tx_skb(struct pci_dev *pdev, struct sk_buff *skb,
656 len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
658 pci_unmap_single(pdev, le32_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
660 memset(desc, 0x00, sizeof(*desc));
663 static inline int sis190_tx_pkt_err(u32 status, struct net_device_stats *stats)
665 #define TxErrMask (WND | TABRT | FIFO | LINK)
667 if (!unlikely(status & TxErrMask))
671 stats->tx_window_errors++;
673 stats->tx_aborted_errors++;
675 stats->tx_fifo_errors++;
677 stats->tx_carrier_errors++;
684 static void sis190_tx_interrupt(struct net_device *dev,
685 struct sis190_private *tp, void __iomem *ioaddr)
687 struct net_device_stats *stats = &dev->stats;
688 u32 pending, dirty_tx = tp->dirty_tx;
690 * It would not be needed if queueing was allowed to be enabled
691 * again too early (hint: think preempt and unclocked smp systems).
693 unsigned int queue_stopped;
696 pending = tp->cur_tx - dirty_tx;
697 queue_stopped = (pending == NUM_TX_DESC);
699 for (; pending; pending--, dirty_tx++) {
700 unsigned int entry = dirty_tx % NUM_TX_DESC;
701 struct TxDesc *txd = tp->TxDescRing + entry;
702 u32 status = le32_to_cpu(txd->status);
708 skb = tp->Tx_skbuff[entry];
710 if (likely(sis190_tx_pkt_err(status, stats) == 0)) {
712 stats->tx_bytes += skb->len;
713 stats->collisions += ((status & ColCountMask) - 1);
716 sis190_unmap_tx_skb(tp->pci_dev, skb, txd);
717 tp->Tx_skbuff[entry] = NULL;
718 dev_kfree_skb_irq(skb);
721 if (tp->dirty_tx != dirty_tx) {
722 tp->dirty_tx = dirty_tx;
725 netif_wake_queue(dev);
730 * The interrupt handler does all of the Rx thread work and cleans up after
733 static irqreturn_t sis190_interrupt(int irq, void *__dev)
735 struct net_device *dev = __dev;
736 struct sis190_private *tp = netdev_priv(dev);
737 void __iomem *ioaddr = tp->mmio_addr;
738 unsigned int handled = 0;
741 status = SIS_R32(IntrStatus);
743 if ((status == 0xffffffff) || !status)
748 if (unlikely(!netif_running(dev))) {
749 sis190_asic_down(ioaddr);
753 SIS_W32(IntrStatus, status);
755 // net_intr(tp, KERN_INFO "%s: status = %08x.\n", dev->name, status);
757 if (status & LinkChange) {
758 net_intr(tp, KERN_INFO "%s: link change.\n", dev->name);
759 schedule_work(&tp->phy_task);
763 sis190_rx_interrupt(dev, tp, ioaddr);
765 if (status & TxQ0Int)
766 sis190_tx_interrupt(dev, tp, ioaddr);
768 return IRQ_RETVAL(handled);
771 #ifdef CONFIG_NET_POLL_CONTROLLER
772 static void sis190_netpoll(struct net_device *dev)
774 struct sis190_private *tp = netdev_priv(dev);
775 struct pci_dev *pdev = tp->pci_dev;
777 disable_irq(pdev->irq);
778 sis190_interrupt(pdev->irq, dev);
779 enable_irq(pdev->irq);
783 static void sis190_free_rx_skb(struct sis190_private *tp,
784 struct sk_buff **sk_buff, struct RxDesc *desc)
786 struct pci_dev *pdev = tp->pci_dev;
788 pci_unmap_single(pdev, le32_to_cpu(desc->addr), tp->rx_buf_sz,
790 dev_kfree_skb(*sk_buff);
792 sis190_make_unusable_by_asic(desc);
795 static void sis190_rx_clear(struct sis190_private *tp)
799 for (i = 0; i < NUM_RX_DESC; i++) {
800 if (!tp->Rx_skbuff[i])
802 sis190_free_rx_skb(tp, tp->Rx_skbuff + i, tp->RxDescRing + i);
806 static void sis190_init_ring_indexes(struct sis190_private *tp)
808 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
811 static int sis190_init_ring(struct net_device *dev)
813 struct sis190_private *tp = netdev_priv(dev);
815 sis190_init_ring_indexes(tp);
817 memset(tp->Tx_skbuff, 0x0, NUM_TX_DESC * sizeof(struct sk_buff *));
818 memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
820 if (sis190_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
823 sis190_mark_as_last_descriptor(tp->RxDescRing + NUM_RX_DESC - 1);
832 static void sis190_set_rx_mode(struct net_device *dev)
834 struct sis190_private *tp = netdev_priv(dev);
835 void __iomem *ioaddr = tp->mmio_addr;
837 u32 mc_filter[2]; /* Multicast hash filter */
840 if (dev->flags & IFF_PROMISC) {
842 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
844 mc_filter[1] = mc_filter[0] = 0xffffffff;
845 } else if ((dev->mc_count > multicast_filter_limit) ||
846 (dev->flags & IFF_ALLMULTI)) {
847 /* Too many to filter perfectly -- accept all multicasts. */
848 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
849 mc_filter[1] = mc_filter[0] = 0xffffffff;
851 struct dev_mc_list *mclist;
854 rx_mode = AcceptBroadcast | AcceptMyPhys;
855 mc_filter[1] = mc_filter[0] = 0;
856 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
857 i++, mclist = mclist->next) {
859 ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f;
860 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
861 rx_mode |= AcceptMulticast;
865 spin_lock_irqsave(&tp->lock, flags);
867 SIS_W16(RxMacControl, rx_mode | 0x2);
868 SIS_W32(RxHashTable, mc_filter[0]);
869 SIS_W32(RxHashTable + 4, mc_filter[1]);
871 spin_unlock_irqrestore(&tp->lock, flags);
874 static void sis190_soft_reset(void __iomem *ioaddr)
876 SIS_W32(IntrControl, 0x8000);
878 SIS_W32(IntrControl, 0x0);
879 sis190_asic_down(ioaddr);
882 static void sis190_hw_start(struct net_device *dev)
884 struct sis190_private *tp = netdev_priv(dev);
885 void __iomem *ioaddr = tp->mmio_addr;
887 sis190_soft_reset(ioaddr);
889 SIS_W32(TxDescStartAddr, tp->tx_dma);
890 SIS_W32(RxDescStartAddr, tp->rx_dma);
892 SIS_W32(IntrStatus, 0xffffffff);
893 SIS_W32(IntrMask, 0x0);
894 SIS_W32(GMIIControl, 0x0);
895 SIS_W32(TxMacControl, 0x60);
896 SIS_W16(RxMacControl, 0x02);
897 SIS_W32(RxHashTable, 0x0);
899 SIS_W32(RxWolCtrl, 0x0);
900 SIS_W32(RxWolData, 0x0);
904 sis190_set_rx_mode(dev);
906 /* Enable all known interrupts by setting the interrupt mask. */
907 SIS_W32(IntrMask, sis190_intr_mask);
909 SIS_W32(TxControl, 0x1a00 | CmdTxEnb);
910 SIS_W32(RxControl, 0x1a1d);
912 netif_start_queue(dev);
915 static void sis190_phy_task(struct work_struct *work)
917 struct sis190_private *tp =
918 container_of(work, struct sis190_private, phy_task);
919 struct net_device *dev = tp->dev;
920 void __iomem *ioaddr = tp->mmio_addr;
921 int phy_id = tp->mii_if.phy_id;
926 if (!netif_running(dev))
929 val = mdio_read(ioaddr, phy_id, MII_BMCR);
930 if (val & BMCR_RESET) {
931 // FIXME: needlessly high ? -- FR 02/07/2005
932 mod_timer(&tp->timer, jiffies + HZ/10);
933 } else if (!(mdio_read_latched(ioaddr, phy_id, MII_BMSR) &
934 BMSR_ANEGCOMPLETE)) {
935 netif_carrier_off(dev);
936 net_link(tp, KERN_WARNING "%s: auto-negotiating...\n",
938 mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT);
946 { LPA_1000XFULL | LPA_SLCT, 0x07000c00 | 0x00001000,
947 "1000 Mbps Full Duplex" },
948 { LPA_1000XHALF | LPA_SLCT, 0x07000c00,
949 "1000 Mbps Half Duplex" },
950 { LPA_100FULL, 0x04000800 | 0x00001000,
951 "100 Mbps Full Duplex" },
952 { LPA_100HALF, 0x04000800,
953 "100 Mbps Half Duplex" },
954 { LPA_10FULL, 0x04000400 | 0x00001000,
955 "10 Mbps Full Duplex" },
956 { LPA_10HALF, 0x04000400,
957 "10 Mbps Half Duplex" },
958 { 0, 0x04000400, "unknown" }
962 val = mdio_read(ioaddr, phy_id, 0x1f);
963 net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val);
965 val = mdio_read(ioaddr, phy_id, MII_LPA);
966 adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
967 net_link(tp, KERN_INFO "%s: mii lpa = %04x adv = %04x.\n",
968 dev->name, val, adv);
972 for (p = reg31; p->val; p++) {
973 if ((val & p->val) == p->val)
977 p->ctl |= SIS_R32(StationControl) & ~0x0f001c00;
979 if ((tp->features & F_HAS_RGMII) &&
980 (tp->features & F_PHY_BCM5461)) {
981 // Set Tx Delay in RGMII mode.
982 mdio_write(ioaddr, phy_id, 0x18, 0xf1c7);
984 mdio_write(ioaddr, phy_id, 0x1c, 0x8c00);
985 p->ctl |= 0x03000000;
988 SIS_W32(StationControl, p->ctl);
990 if (tp->features & F_HAS_RGMII) {
991 SIS_W32(RGDelay, 0x0441);
992 SIS_W32(RGDelay, 0x0440);
995 net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
997 netif_carrier_on(dev);
1004 static void sis190_phy_timer(unsigned long __opaque)
1006 struct net_device *dev = (struct net_device *)__opaque;
1007 struct sis190_private *tp = netdev_priv(dev);
1009 if (likely(netif_running(dev)))
1010 schedule_work(&tp->phy_task);
1013 static inline void sis190_delete_timer(struct net_device *dev)
1015 struct sis190_private *tp = netdev_priv(dev);
1017 del_timer_sync(&tp->timer);
1020 static inline void sis190_request_timer(struct net_device *dev)
1022 struct sis190_private *tp = netdev_priv(dev);
1023 struct timer_list *timer = &tp->timer;
1026 timer->expires = jiffies + SIS190_PHY_TIMEOUT;
1027 timer->data = (unsigned long)dev;
1028 timer->function = sis190_phy_timer;
1032 static void sis190_set_rxbufsize(struct sis190_private *tp,
1033 struct net_device *dev)
1035 unsigned int mtu = dev->mtu;
1037 tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;
1038 /* RxDesc->size has a licence to kill the lower bits */
1039 if (tp->rx_buf_sz & 0x07) {
1041 tp->rx_buf_sz &= RX_BUF_MASK;
1045 static int sis190_open(struct net_device *dev)
1047 struct sis190_private *tp = netdev_priv(dev);
1048 struct pci_dev *pdev = tp->pci_dev;
1051 sis190_set_rxbufsize(tp, dev);
1054 * Rx and Tx descriptors need 256 bytes alignment.
1055 * pci_alloc_consistent() guarantees a stronger alignment.
1057 tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma);
1058 if (!tp->TxDescRing)
1061 tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma);
1062 if (!tp->RxDescRing)
1065 rc = sis190_init_ring(dev);
1069 sis190_request_timer(dev);
1071 rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev);
1073 goto err_release_timer_2;
1075 sis190_hw_start(dev);
1079 err_release_timer_2:
1080 sis190_delete_timer(dev);
1081 sis190_rx_clear(tp);
1083 pci_free_consistent(tp->pci_dev, RX_RING_BYTES, tp->RxDescRing,
1086 pci_free_consistent(tp->pci_dev, TX_RING_BYTES, tp->TxDescRing,
1091 static void sis190_tx_clear(struct sis190_private *tp)
1095 for (i = 0; i < NUM_TX_DESC; i++) {
1096 struct sk_buff *skb = tp->Tx_skbuff[i];
1101 sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i);
1102 tp->Tx_skbuff[i] = NULL;
1105 tp->dev->stats.tx_dropped++;
1107 tp->cur_tx = tp->dirty_tx = 0;
1110 static void sis190_down(struct net_device *dev)
1112 struct sis190_private *tp = netdev_priv(dev);
1113 void __iomem *ioaddr = tp->mmio_addr;
1114 unsigned int poll_locked = 0;
1116 sis190_delete_timer(dev);
1118 netif_stop_queue(dev);
1121 spin_lock_irq(&tp->lock);
1123 sis190_asic_down(ioaddr);
1125 spin_unlock_irq(&tp->lock);
1127 synchronize_irq(dev->irq);
1132 synchronize_sched();
1134 } while (SIS_R32(IntrMask));
1136 sis190_tx_clear(tp);
1137 sis190_rx_clear(tp);
1140 static int sis190_close(struct net_device *dev)
1142 struct sis190_private *tp = netdev_priv(dev);
1143 struct pci_dev *pdev = tp->pci_dev;
1147 free_irq(dev->irq, dev);
1149 pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);
1150 pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);
1152 tp->TxDescRing = NULL;
1153 tp->RxDescRing = NULL;
1158 static int sis190_start_xmit(struct sk_buff *skb, struct net_device *dev)
1160 struct sis190_private *tp = netdev_priv(dev);
1161 void __iomem *ioaddr = tp->mmio_addr;
1162 u32 len, entry, dirty_tx;
1163 struct TxDesc *desc;
1166 if (unlikely(skb->len < ETH_ZLEN)) {
1167 if (skb_padto(skb, ETH_ZLEN)) {
1168 dev->stats.tx_dropped++;
1176 entry = tp->cur_tx % NUM_TX_DESC;
1177 desc = tp->TxDescRing + entry;
1179 if (unlikely(le32_to_cpu(desc->status) & OWNbit)) {
1180 netif_stop_queue(dev);
1181 net_tx_err(tp, KERN_ERR PFX
1182 "%s: BUG! Tx Ring full when queue awake!\n",
1184 return NETDEV_TX_BUSY;
1187 mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
1189 tp->Tx_skbuff[entry] = skb;
1191 desc->PSize = cpu_to_le32(len);
1192 desc->addr = cpu_to_le32(mapping);
1194 desc->size = cpu_to_le32(len);
1195 if (entry == (NUM_TX_DESC - 1))
1196 desc->size |= cpu_to_le32(RingEnd);
1200 desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
1206 SIS_W32(TxControl, 0x1a00 | CmdReset | CmdTxEnb);
1208 dev->trans_start = jiffies;
1210 dirty_tx = tp->dirty_tx;
1211 if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) {
1212 netif_stop_queue(dev);
1214 if (dirty_tx != tp->dirty_tx)
1215 netif_wake_queue(dev);
1218 return NETDEV_TX_OK;
1221 static void sis190_free_phy(struct list_head *first_phy)
1223 struct sis190_phy *cur, *next;
1225 list_for_each_entry_safe(cur, next, first_phy, list) {
1231 * sis190_default_phy - Select default PHY for sis190 mac.
1232 * @dev: the net device to probe for
1234 * Select first detected PHY with link as default.
1235 * If no one is link on, select PHY whose types is HOME as default.
1236 * If HOME doesn't exist, select LAN.
1238 static u16 sis190_default_phy(struct net_device *dev)
1240 struct sis190_phy *phy, *phy_home, *phy_default, *phy_lan;
1241 struct sis190_private *tp = netdev_priv(dev);
1242 struct mii_if_info *mii_if = &tp->mii_if;
1243 void __iomem *ioaddr = tp->mmio_addr;
1246 phy_home = phy_default = phy_lan = NULL;
1248 list_for_each_entry(phy, &tp->first_phy, list) {
1249 status = mdio_read_latched(ioaddr, phy->phy_id, MII_BMSR);
1251 // Link ON & Not select default PHY & not ghost PHY.
1252 if ((status & BMSR_LSTATUS) &&
1254 (phy->type != UNKNOWN)) {
1257 status = mdio_read(ioaddr, phy->phy_id, MII_BMCR);
1258 mdio_write(ioaddr, phy->phy_id, MII_BMCR,
1259 status | BMCR_ANENABLE | BMCR_ISOLATE);
1260 if (phy->type == HOME)
1262 else if (phy->type == LAN)
1269 phy_default = phy_home;
1271 phy_default = phy_lan;
1273 phy_default = list_entry(&tp->first_phy,
1274 struct sis190_phy, list);
1277 if (mii_if->phy_id != phy_default->phy_id) {
1278 mii_if->phy_id = phy_default->phy_id;
1279 net_probe(tp, KERN_INFO
1280 "%s: Using transceiver at address %d as default.\n",
1281 pci_name(tp->pci_dev), mii_if->phy_id);
1284 status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR);
1285 status &= (~BMCR_ISOLATE);
1287 mdio_write(ioaddr, mii_if->phy_id, MII_BMCR, status);
1288 status = mdio_read_latched(ioaddr, mii_if->phy_id, MII_BMSR);
1293 static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp,
1294 struct sis190_phy *phy, unsigned int phy_id,
1297 void __iomem *ioaddr = tp->mmio_addr;
1298 struct mii_chip_info *p;
1300 INIT_LIST_HEAD(&phy->list);
1301 phy->status = mii_status;
1302 phy->phy_id = phy_id;
1304 phy->id[0] = mdio_read(ioaddr, phy_id, MII_PHYSID1);
1305 phy->id[1] = mdio_read(ioaddr, phy_id, MII_PHYSID2);
1307 for (p = mii_chip_table; p->type; p++) {
1308 if ((p->id[0] == phy->id[0]) &&
1309 (p->id[1] == (phy->id[1] & 0xfff0))) {
1315 phy->type = (p->type == MIX) ?
1316 ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ?
1317 LAN : HOME) : p->type;
1318 tp->features |= p->feature;
1320 phy->type = UNKNOWN;
1322 net_probe(tp, KERN_INFO "%s: %s transceiver at address %d.\n",
1323 pci_name(tp->pci_dev),
1324 (phy->type == UNKNOWN) ? "Unknown PHY" : p->name, phy_id);
1327 static void sis190_mii_probe_88e1111_fixup(struct sis190_private *tp)
1329 if (tp->features & F_PHY_88E1111) {
1330 void __iomem *ioaddr = tp->mmio_addr;
1331 int phy_id = tp->mii_if.phy_id;
1337 p = (tp->features & F_HAS_RGMII) ? reg[0] : reg[1];
1339 mdio_write(ioaddr, phy_id, 0x1b, p[0]);
1341 mdio_write(ioaddr, phy_id, 0x14, p[1]);
1347 * sis190_mii_probe - Probe MII PHY for sis190
1348 * @dev: the net device to probe for
1350 * Search for total of 32 possible mii phy addresses.
1351 * Identify and set current phy if found one,
1352 * return error if it failed to found.
1354 static int __devinit sis190_mii_probe(struct net_device *dev)
1356 struct sis190_private *tp = netdev_priv(dev);
1357 struct mii_if_info *mii_if = &tp->mii_if;
1358 void __iomem *ioaddr = tp->mmio_addr;
1362 INIT_LIST_HEAD(&tp->first_phy);
1364 for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
1365 struct sis190_phy *phy;
1368 status = mdio_read_latched(ioaddr, phy_id, MII_BMSR);
1370 // Try next mii if the current one is not accessible.
1371 if (status == 0xffff || status == 0x0000)
1374 phy = kmalloc(sizeof(*phy), GFP_KERNEL);
1376 sis190_free_phy(&tp->first_phy);
1381 sis190_init_phy(dev, tp, phy, phy_id, status);
1383 list_add(&tp->first_phy, &phy->list);
1386 if (list_empty(&tp->first_phy)) {
1387 net_probe(tp, KERN_INFO "%s: No MII transceivers found!\n",
1388 pci_name(tp->pci_dev));
1393 /* Select default PHY for mac */
1394 sis190_default_phy(dev);
1396 sis190_mii_probe_88e1111_fixup(tp);
1399 mii_if->mdio_read = __mdio_read;
1400 mii_if->mdio_write = __mdio_write;
1401 mii_if->phy_id_mask = PHY_ID_ANY;
1402 mii_if->reg_num_mask = MII_REG_ANY;
1407 static void sis190_mii_remove(struct net_device *dev)
1409 struct sis190_private *tp = netdev_priv(dev);
1411 sis190_free_phy(&tp->first_phy);
1414 static void sis190_release_board(struct pci_dev *pdev)
1416 struct net_device *dev = pci_get_drvdata(pdev);
1417 struct sis190_private *tp = netdev_priv(dev);
1419 iounmap(tp->mmio_addr);
1420 pci_release_regions(pdev);
1421 pci_disable_device(pdev);
1425 static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev)
1427 struct sis190_private *tp;
1428 struct net_device *dev;
1429 void __iomem *ioaddr;
1432 dev = alloc_etherdev(sizeof(*tp));
1434 net_drv(&debug, KERN_ERR PFX "unable to alloc new ethernet\n");
1439 SET_NETDEV_DEV(dev, &pdev->dev);
1441 tp = netdev_priv(dev);
1443 tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT);
1445 rc = pci_enable_device(pdev);
1447 net_probe(tp, KERN_ERR "%s: enable failure\n", pci_name(pdev));
1448 goto err_free_dev_1;
1453 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1454 net_probe(tp, KERN_ERR "%s: region #0 is no MMIO resource.\n",
1456 goto err_pci_disable_2;
1458 if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) {
1459 net_probe(tp, KERN_ERR "%s: invalid PCI region size(s).\n",
1461 goto err_pci_disable_2;
1464 rc = pci_request_regions(pdev, DRV_NAME);
1466 net_probe(tp, KERN_ERR PFX "%s: could not request regions.\n",
1468 goto err_pci_disable_2;
1471 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1473 net_probe(tp, KERN_ERR "%s: DMA configuration failed.\n",
1475 goto err_free_res_3;
1478 pci_set_master(pdev);
1480 ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE);
1482 net_probe(tp, KERN_ERR "%s: cannot remap MMIO, aborting\n",
1485 goto err_free_res_3;
1489 tp->mmio_addr = ioaddr;
1491 sis190_irq_mask_and_ack(ioaddr);
1493 sis190_soft_reset(ioaddr);
1498 pci_release_regions(pdev);
1500 pci_disable_device(pdev);
1508 static void sis190_tx_timeout(struct net_device *dev)
1510 struct sis190_private *tp = netdev_priv(dev);
1511 void __iomem *ioaddr = tp->mmio_addr;
1514 /* Disable Tx, if not already */
1515 tmp8 = SIS_R8(TxControl);
1516 if (tmp8 & CmdTxEnb)
1517 SIS_W8(TxControl, tmp8 & ~CmdTxEnb);
1520 net_tx_err(tp, KERN_INFO "%s: Transmit timeout, status %08x %08x.\n",
1521 dev->name, SIS_R32(TxControl), SIS_R32(TxSts));
1523 /* Disable interrupts by clearing the interrupt mask. */
1524 SIS_W32(IntrMask, 0x0000);
1526 /* Stop a shared interrupt from scavenging while we are. */
1527 spin_lock_irq(&tp->lock);
1528 sis190_tx_clear(tp);
1529 spin_unlock_irq(&tp->lock);
1531 /* ...and finally, reset everything. */
1532 sis190_hw_start(dev);
1534 netif_wake_queue(dev);
1537 static void sis190_set_rgmii(struct sis190_private *tp, u8 reg)
1539 tp->features |= (reg & 0x80) ? F_HAS_RGMII : 0;
1542 static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
1543 struct net_device *dev)
1545 struct sis190_private *tp = netdev_priv(dev);
1546 void __iomem *ioaddr = tp->mmio_addr;
1550 net_probe(tp, KERN_INFO "%s: Read MAC address from EEPROM\n",
1553 /* Check to see if there is a sane EEPROM */
1554 sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature);
1556 if ((sig == 0xffff) || (sig == 0x0000)) {
1557 net_probe(tp, KERN_INFO "%s: Error EEPROM read %x.\n",
1558 pci_name(pdev), sig);
1562 /* Get MAC address from EEPROM */
1563 for (i = 0; i < MAC_ADDR_LEN / 2; i++) {
1564 u16 w = sis190_read_eeprom(ioaddr, EEPROMMACAddr + i);
1566 ((__le16 *)dev->dev_addr)[i] = cpu_to_le16(w);
1569 sis190_set_rgmii(tp, sis190_read_eeprom(ioaddr, EEPROMInfo));
1575 * sis190_get_mac_addr_from_apc - Get MAC address for SiS96x model
1577 * @dev: network device to get address for
1579 * SiS96x model, use APC CMOS RAM to store MAC address.
1580 * APC CMOS RAM is accessed through ISA bridge.
1581 * MAC address is read into @net_dev->dev_addr.
1583 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
1584 struct net_device *dev)
1586 static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 };
1587 struct sis190_private *tp = netdev_priv(dev);
1588 struct pci_dev *isa_bridge;
1592 net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
1595 for (i = 0; i < ARRAY_SIZE(ids); i++) {
1596 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, ids[i], NULL);
1602 net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
1607 /* Enable port 78h & 79h to access APC Registers. */
1608 pci_read_config_byte(isa_bridge, 0x48, &tmp8);
1609 reg = (tmp8 & ~0x02);
1610 pci_write_config_byte(isa_bridge, 0x48, reg);
1612 pci_read_config_byte(isa_bridge, 0x48, ®);
1614 for (i = 0; i < MAC_ADDR_LEN; i++) {
1615 outb(0x9 + i, 0x78);
1616 dev->dev_addr[i] = inb(0x79);
1622 sis190_set_rgmii(tp, reg);
1624 /* Restore the value to ISA Bridge */
1625 pci_write_config_byte(isa_bridge, 0x48, tmp8);
1626 pci_dev_put(isa_bridge);
1632 * sis190_init_rxfilter - Initialize the Rx filter
1633 * @dev: network device to initialize
1635 * Set receive filter address to our MAC address
1636 * and enable packet filtering.
1638 static inline void sis190_init_rxfilter(struct net_device *dev)
1640 struct sis190_private *tp = netdev_priv(dev);
1641 void __iomem *ioaddr = tp->mmio_addr;
1645 ctl = SIS_R16(RxMacControl);
1647 * Disable packet filtering before setting filter.
1648 * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits
1649 * only and followed by RxMacAddr (6 bytes). Strange. -- FR
1651 SIS_W16(RxMacControl, ctl & ~0x0f00);
1653 for (i = 0; i < MAC_ADDR_LEN; i++)
1654 SIS_W8(RxMacAddr + i, dev->dev_addr[i]);
1656 SIS_W16(RxMacControl, ctl);
1660 static int __devinit sis190_get_mac_addr(struct pci_dev *pdev,
1661 struct net_device *dev)
1665 rc = sis190_get_mac_addr_from_eeprom(pdev, dev);
1669 pci_read_config_byte(pdev, 0x73, ®);
1671 if (reg & 0x00000001)
1672 rc = sis190_get_mac_addr_from_apc(pdev, dev);
1677 static void sis190_set_speed_auto(struct net_device *dev)
1679 struct sis190_private *tp = netdev_priv(dev);
1680 void __iomem *ioaddr = tp->mmio_addr;
1681 int phy_id = tp->mii_if.phy_id;
1684 net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name);
1686 val = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
1688 // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0
1690 mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) |
1691 ADVERTISE_100FULL | ADVERTISE_10FULL |
1692 ADVERTISE_100HALF | ADVERTISE_10HALF);
1694 // Enable 1000 Full Mode.
1695 mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL);
1697 // Enable auto-negotiation and restart auto-negotiation.
1698 mdio_write(ioaddr, phy_id, MII_BMCR,
1699 BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET);
1702 static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1704 struct sis190_private *tp = netdev_priv(dev);
1706 return mii_ethtool_gset(&tp->mii_if, cmd);
1709 static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1711 struct sis190_private *tp = netdev_priv(dev);
1713 return mii_ethtool_sset(&tp->mii_if, cmd);
1716 static void sis190_get_drvinfo(struct net_device *dev,
1717 struct ethtool_drvinfo *info)
1719 struct sis190_private *tp = netdev_priv(dev);
1721 strcpy(info->driver, DRV_NAME);
1722 strcpy(info->version, DRV_VERSION);
1723 strcpy(info->bus_info, pci_name(tp->pci_dev));
1726 static int sis190_get_regs_len(struct net_device *dev)
1728 return SIS190_REGS_SIZE;
1731 static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1734 struct sis190_private *tp = netdev_priv(dev);
1735 unsigned long flags;
1737 if (regs->len > SIS190_REGS_SIZE)
1738 regs->len = SIS190_REGS_SIZE;
1740 spin_lock_irqsave(&tp->lock, flags);
1741 memcpy_fromio(p, tp->mmio_addr, regs->len);
1742 spin_unlock_irqrestore(&tp->lock, flags);
1745 static int sis190_nway_reset(struct net_device *dev)
1747 struct sis190_private *tp = netdev_priv(dev);
1749 return mii_nway_restart(&tp->mii_if);
1752 static u32 sis190_get_msglevel(struct net_device *dev)
1754 struct sis190_private *tp = netdev_priv(dev);
1756 return tp->msg_enable;
1759 static void sis190_set_msglevel(struct net_device *dev, u32 value)
1761 struct sis190_private *tp = netdev_priv(dev);
1763 tp->msg_enable = value;
1766 static const struct ethtool_ops sis190_ethtool_ops = {
1767 .get_settings = sis190_get_settings,
1768 .set_settings = sis190_set_settings,
1769 .get_drvinfo = sis190_get_drvinfo,
1770 .get_regs_len = sis190_get_regs_len,
1771 .get_regs = sis190_get_regs,
1772 .get_link = ethtool_op_get_link,
1773 .get_msglevel = sis190_get_msglevel,
1774 .set_msglevel = sis190_set_msglevel,
1775 .nway_reset = sis190_nway_reset,
1778 static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1780 struct sis190_private *tp = netdev_priv(dev);
1782 return !netif_running(dev) ? -EINVAL :
1783 generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);
1786 static int __devinit sis190_init_one(struct pci_dev *pdev,
1787 const struct pci_device_id *ent)
1789 static int printed_version = 0;
1790 struct sis190_private *tp;
1791 struct net_device *dev;
1792 void __iomem *ioaddr;
1794 DECLARE_MAC_BUF(mac);
1796 if (!printed_version) {
1797 net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
1798 printed_version = 1;
1801 dev = sis190_init_board(pdev);
1807 pci_set_drvdata(pdev, dev);
1809 tp = netdev_priv(dev);
1810 ioaddr = tp->mmio_addr;
1812 rc = sis190_get_mac_addr(pdev, dev);
1814 goto err_release_board;
1816 sis190_init_rxfilter(dev);
1818 INIT_WORK(&tp->phy_task, sis190_phy_task);
1820 dev->open = sis190_open;
1821 dev->stop = sis190_close;
1822 dev->do_ioctl = sis190_ioctl;
1823 dev->tx_timeout = sis190_tx_timeout;
1824 dev->watchdog_timeo = SIS190_TX_TIMEOUT;
1825 dev->hard_start_xmit = sis190_start_xmit;
1826 #ifdef CONFIG_NET_POLL_CONTROLLER
1827 dev->poll_controller = sis190_netpoll;
1829 dev->set_multicast_list = sis190_set_rx_mode;
1830 SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops);
1831 dev->irq = pdev->irq;
1832 dev->base_addr = (unsigned long) 0xdead;
1834 spin_lock_init(&tp->lock);
1836 rc = sis190_mii_probe(dev);
1838 goto err_release_board;
1840 rc = register_netdev(dev);
1842 goto err_remove_mii;
1844 net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), "
1846 pci_name(pdev), sis_chip_info[ent->driver_data].name,
1847 ioaddr, dev->irq, print_mac(mac, dev->dev_addr));
1849 net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name,
1850 (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");
1852 netif_carrier_off(dev);
1854 sis190_set_speed_auto(dev);
1859 sis190_mii_remove(dev);
1861 sis190_release_board(pdev);
1865 static void __devexit sis190_remove_one(struct pci_dev *pdev)
1867 struct net_device *dev = pci_get_drvdata(pdev);
1869 sis190_mii_remove(dev);
1870 flush_scheduled_work();
1871 unregister_netdev(dev);
1872 sis190_release_board(pdev);
1873 pci_set_drvdata(pdev, NULL);
1876 static struct pci_driver sis190_pci_driver = {
1878 .id_table = sis190_pci_tbl,
1879 .probe = sis190_init_one,
1880 .remove = __devexit_p(sis190_remove_one),
1883 static int __init sis190_init_module(void)
1885 return pci_register_driver(&sis190_pci_driver);
1888 static void __exit sis190_cleanup_module(void)
1890 pci_unregister_driver(&sis190_pci_driver);
1893 module_init(sis190_init_module);
1894 module_exit(sis190_cleanup_module);