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 #ifdef CONFIG_SIS190_NAPI
51 #define NAPI_SUFFIX "-NAPI"
53 #define NAPI_SUFFIX ""
56 #define DRV_VERSION "1.2" NAPI_SUFFIX
57 #define DRV_NAME "sis190"
58 #define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION
59 #define PFX DRV_NAME ": "
61 #ifdef CONFIG_SIS190_NAPI
62 #define sis190_rx_skb netif_receive_skb
63 #define sis190_rx_quota(count, quota) min(count, quota)
65 #define sis190_rx_skb netif_rx
66 #define sis190_rx_quota(count, quota) count
69 #define MAC_ADDR_LEN 6
71 #define NUM_TX_DESC 64 /* [8..1024] */
72 #define NUM_RX_DESC 64 /* [8..8192] */
73 #define TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
74 #define RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
75 #define RX_BUF_SIZE 1536
76 #define RX_BUF_MASK 0xfff8
78 #define SIS190_REGS_SIZE 0x80
79 #define SIS190_TX_TIMEOUT (6*HZ)
80 #define SIS190_PHY_TIMEOUT (10*HZ)
81 #define SIS190_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | \
82 NETIF_MSG_LINK | NETIF_MSG_IFUP | \
85 /* Enhanced PHY access register bit definitions */
86 #define EhnMIIread 0x0000
87 #define EhnMIIwrite 0x0020
88 #define EhnMIIdataShift 16
89 #define EhnMIIpmdShift 6 /* 7016 only */
90 #define EhnMIIregShift 11
91 #define EhnMIIreq 0x0010
92 #define EhnMIInotDone 0x0010
94 /* Write/read MMIO register */
95 #define SIS_W8(reg, val) writeb ((val), ioaddr + (reg))
96 #define SIS_W16(reg, val) writew ((val), ioaddr + (reg))
97 #define SIS_W32(reg, val) writel ((val), ioaddr + (reg))
98 #define SIS_R8(reg) readb (ioaddr + (reg))
99 #define SIS_R16(reg) readw (ioaddr + (reg))
100 #define SIS_R32(reg) readl (ioaddr + (reg))
102 #define SIS_PCI_COMMIT() SIS_R32(IntrControl)
104 enum sis190_registers {
106 TxDescStartAddr = 0x04,
107 rsv0 = 0x08, // reserved
108 TxSts = 0x0c, // unused (Control/Status)
110 RxDescStartAddr = 0x14,
111 rsv1 = 0x18, // reserved
112 RxSts = 0x1c, // unused
116 IntrTimer = 0x2c, // unused (Interupt Timer)
117 PMControl = 0x30, // unused (Power Mgmt Control/Status)
118 rsv2 = 0x34, // reserved
121 StationControl = 0x40,
123 GIoCR = 0x48, // unused (GMAC IO Compensation)
124 GIoCtrl = 0x4c, // unused (GMAC IO Control)
126 TxLimit = 0x54, // unused (Tx MAC Timer/TryLimit)
127 RGDelay = 0x58, // unused (RGMII Tx Internal Delay)
128 rsv3 = 0x5c, // reserved
132 // Undocumented = 0x6c,
134 RxWolData = 0x74, // unused (Rx WOL Data Access)
135 RxMPSControl = 0x78, // unused (Rx MPS Control)
136 rsv4 = 0x7c, // reserved
139 enum sis190_register_content {
141 SoftInt = 0x40000000, // unused
142 Timeup = 0x20000000, // unused
143 PauseFrame = 0x00080000, // unused
144 MagicPacket = 0x00040000, // unused
145 WakeupFrame = 0x00020000, // unused
146 LinkChange = 0x00010000,
147 RxQEmpty = 0x00000080,
149 TxQ1Empty = 0x00000020, // unused
150 TxQ1Int = 0x00000010,
151 TxQ0Empty = 0x00000008, // unused
152 TxQ0Int = 0x00000004,
158 CmdRxEnb = 0x08, // unused
160 RxBufEmpty = 0x01, // unused
163 Cfg9346_Lock = 0x00, // unused
164 Cfg9346_Unlock = 0xc0, // unused
167 AcceptErr = 0x20, // unused
168 AcceptRunt = 0x10, // unused
169 AcceptBroadcast = 0x0800,
170 AcceptMulticast = 0x0400,
171 AcceptMyPhys = 0x0200,
172 AcceptAllPhys = 0x0100,
176 RxCfgDMAShift = 8, // 0x1a in RxControl ?
179 TxInterFrameGapShift = 24,
180 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
190 LinkStatus = 0x02, // unused
191 FullDup = 0x01, // unused
194 TBILinkOK = 0x02000000, // unused
211 enum _DescStatusBit {
213 OWNbit = 0x80000000, // RXOWN/TXOWN
214 INTbit = 0x40000000, // RXINT/TXINT
215 CRCbit = 0x00020000, // CRCOFF/CRCEN
216 PADbit = 0x00010000, // PREADD/PADEN
218 RingEnd = 0x80000000,
220 LSEN = 0x08000000, // TSO ? -- FR
247 RxDescCountMask = 0x7f000000, // multi-desc pkt when > 1 ? -- FR
256 RxSizeMask = 0x0000ffff
258 * The asic could apparently do vlan, TSO, jumbo (sis191 only) and
259 * provide two (unused with Linux) Tx queues. No publically
260 * available documentation alas.
264 enum sis190_eeprom_access_register_bits {
265 EECS = 0x00000001, // unused
266 EECLK = 0x00000002, // unused
267 EEDO = 0x00000008, // unused
268 EEDI = 0x00000004, // unused
271 EEWOP = 0x00000100 // unused
274 /* EEPROM Addresses */
275 enum sis190_eeprom_address {
276 EEPROMSignature = 0x00,
277 EEPROMCLK = 0x01, // unused
282 struct sis190_private {
283 void __iomem *mmio_addr;
284 struct pci_dev *pci_dev;
285 struct net_device_stats stats;
294 struct RxDesc *RxDescRing;
295 struct TxDesc *TxDescRing;
296 struct sk_buff *Rx_skbuff[NUM_RX_DESC];
297 struct sk_buff *Tx_skbuff[NUM_TX_DESC];
298 struct work_struct phy_task;
299 struct timer_list timer;
301 struct mii_if_info mii_if;
302 struct list_head first_phy;
306 struct list_head list;
313 enum sis190_phy_type {
320 static struct mii_chip_info {
324 } mii_chip_table[] = {
325 { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN },
326 { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN },
327 { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN },
328 { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN },
332 const static struct {
334 u8 version; /* depend on docs */
335 u32 RxConfigMask; /* clear the bits supported by this chip */
336 } sis_chip_info[] = {
337 { DRV_NAME, 0x00, 0xff7e1880, },
340 static struct pci_device_id sis190_pci_tbl[] __devinitdata = {
341 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 },
345 MODULE_DEVICE_TABLE(pci, sis190_pci_tbl);
347 static int rx_copybreak = 200;
353 MODULE_DESCRIPTION("SiS sis190 Gigabit Ethernet driver");
354 module_param(rx_copybreak, int, 0);
355 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
356 module_param_named(debug, debug.msg_enable, int, 0);
357 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
358 MODULE_AUTHOR("K.M. Liu <kmliu@sis.com>, Ueimor <romieu@fr.zoreil.com>");
359 MODULE_VERSION(DRV_VERSION);
360 MODULE_LICENSE("GPL");
362 static const u32 sis190_intr_mask =
363 RxQEmpty | RxQInt | TxQ1Int | TxQ0Int | RxHalt | TxHalt;
366 * Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
367 * The chips use a 64 element hash table based on the Ethernet CRC.
369 static int multicast_filter_limit = 32;
371 static void __mdio_cmd(void __iomem *ioaddr, u32 ctl)
375 SIS_W32(GMIIControl, ctl);
379 for (i = 0; i < 100; i++) {
380 if (!(SIS_R32(GMIIControl) & EhnMIInotDone))
386 printk(KERN_ERR PFX "PHY command failed !\n");
389 static void mdio_write(void __iomem *ioaddr, int phy_id, int reg, int val)
391 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIwrite |
392 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift) |
393 (((u32) val) << EhnMIIdataShift));
396 static int mdio_read(void __iomem *ioaddr, int phy_id, int reg)
398 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIread |
399 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift));
401 return (u16) (SIS_R32(GMIIControl) >> EhnMIIdataShift);
404 static void __mdio_write(struct net_device *dev, int phy_id, int reg, int val)
406 struct sis190_private *tp = netdev_priv(dev);
408 mdio_write(tp->mmio_addr, phy_id, reg, val);
411 static int __mdio_read(struct net_device *dev, int phy_id, int reg)
413 struct sis190_private *tp = netdev_priv(dev);
415 return mdio_read(tp->mmio_addr, phy_id, reg);
418 static u16 mdio_read_latched(void __iomem *ioaddr, int phy_id, int reg)
420 mdio_read(ioaddr, phy_id, reg);
421 return mdio_read(ioaddr, phy_id, reg);
424 static u16 __devinit sis190_read_eeprom(void __iomem *ioaddr, u32 reg)
429 if (!(SIS_R32(ROMControl) & 0x0002))
432 SIS_W32(ROMInterface, EEREQ | EEROP | (reg << 10));
434 for (i = 0; i < 200; i++) {
435 if (!(SIS_R32(ROMInterface) & EEREQ)) {
436 data = (SIS_R32(ROMInterface) & 0xffff0000) >> 16;
445 static void sis190_irq_mask_and_ack(void __iomem *ioaddr)
447 SIS_W32(IntrMask, 0x00);
448 SIS_W32(IntrStatus, 0xffffffff);
452 static void sis190_asic_down(void __iomem *ioaddr)
454 /* Stop the chip's Tx and Rx DMA processes. */
456 SIS_W32(TxControl, 0x1a00);
457 SIS_W32(RxControl, 0x1a00);
459 sis190_irq_mask_and_ack(ioaddr);
462 static void sis190_mark_as_last_descriptor(struct RxDesc *desc)
464 desc->size |= cpu_to_le32(RingEnd);
467 static inline void sis190_give_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
469 u32 eor = le32_to_cpu(desc->size) & RingEnd;
472 desc->size = cpu_to_le32((rx_buf_sz & RX_BUF_MASK) | eor);
474 desc->status = cpu_to_le32(OWNbit | INTbit);
477 static inline void sis190_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
480 desc->addr = cpu_to_le32(mapping);
481 sis190_give_to_asic(desc, rx_buf_sz);
484 static inline void sis190_make_unusable_by_asic(struct RxDesc *desc)
487 desc->addr = 0xdeadbeef;
488 desc->size &= cpu_to_le32(RingEnd);
493 static int sis190_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff,
494 struct RxDesc *desc, u32 rx_buf_sz)
500 skb = dev_alloc_skb(rx_buf_sz);
506 mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
509 sis190_map_to_asic(desc, mapping, rx_buf_sz);
515 sis190_make_unusable_by_asic(desc);
519 static u32 sis190_rx_fill(struct sis190_private *tp, struct net_device *dev,
524 for (cur = start; cur < end; cur++) {
525 int ret, i = cur % NUM_RX_DESC;
527 if (tp->Rx_skbuff[i])
530 ret = sis190_alloc_rx_skb(tp->pci_dev, tp->Rx_skbuff + i,
531 tp->RxDescRing + i, tp->rx_buf_sz);
538 static inline int sis190_try_rx_copy(struct sk_buff **sk_buff, int pkt_size,
539 struct RxDesc *desc, int rx_buf_sz)
543 if (pkt_size < rx_copybreak) {
546 skb = dev_alloc_skb(pkt_size + NET_IP_ALIGN);
548 skb_reserve(skb, NET_IP_ALIGN);
549 eth_copy_and_sum(skb, sk_buff[0]->data, pkt_size, 0);
551 sis190_give_to_asic(desc, rx_buf_sz);
558 static inline int sis190_rx_pkt_err(u32 status, struct net_device_stats *stats)
560 #define ErrMask (OVRUN | SHORT | LIMIT | MIIER | NIBON | COLON | ABORT)
562 if ((status & CRCOK) && !(status & ErrMask))
565 if (!(status & CRCOK))
566 stats->rx_crc_errors++;
567 else if (status & OVRUN)
568 stats->rx_over_errors++;
569 else if (status & (SHORT | LIMIT))
570 stats->rx_length_errors++;
571 else if (status & (MIIER | NIBON | COLON))
572 stats->rx_frame_errors++;
578 static int sis190_rx_interrupt(struct net_device *dev,
579 struct sis190_private *tp, void __iomem *ioaddr)
581 struct net_device_stats *stats = &tp->stats;
582 u32 rx_left, cur_rx = tp->cur_rx;
585 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
586 rx_left = sis190_rx_quota(rx_left, (u32) dev->quota);
588 for (; rx_left > 0; rx_left--, cur_rx++) {
589 unsigned int entry = cur_rx % NUM_RX_DESC;
590 struct RxDesc *desc = tp->RxDescRing + entry;
593 if (desc->status & OWNbit)
596 status = le32_to_cpu(desc->PSize);
598 // net_intr(tp, KERN_INFO "%s: Rx PSize = %08x.\n", dev->name,
601 if (sis190_rx_pkt_err(status, stats) < 0)
602 sis190_give_to_asic(desc, tp->rx_buf_sz);
604 struct sk_buff *skb = tp->Rx_skbuff[entry];
605 int pkt_size = (status & RxSizeMask) - 4;
606 void (*pci_action)(struct pci_dev *, dma_addr_t,
607 size_t, int) = pci_dma_sync_single_for_device;
609 if (unlikely(pkt_size > tp->rx_buf_sz)) {
610 net_intr(tp, KERN_INFO
611 "%s: (frag) status = %08x.\n",
614 stats->rx_length_errors++;
615 sis190_give_to_asic(desc, tp->rx_buf_sz);
619 pci_dma_sync_single_for_cpu(tp->pci_dev,
620 le32_to_cpu(desc->addr), tp->rx_buf_sz,
623 if (sis190_try_rx_copy(&skb, pkt_size, desc,
625 pci_action = pci_unmap_single;
626 tp->Rx_skbuff[entry] = NULL;
627 sis190_make_unusable_by_asic(desc);
630 pci_action(tp->pci_dev, le32_to_cpu(desc->addr),
631 tp->rx_buf_sz, PCI_DMA_FROMDEVICE);
634 skb_put(skb, pkt_size);
635 skb->protocol = eth_type_trans(skb, dev);
639 dev->last_rx = jiffies;
641 stats->rx_bytes += pkt_size;
642 if ((status & BCAST) == MCAST)
646 count = cur_rx - tp->cur_rx;
649 delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
650 if (!delta && count && netif_msg_intr(tp))
651 printk(KERN_INFO "%s: no Rx buffer allocated.\n", dev->name);
652 tp->dirty_rx += delta;
654 if (((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) && netif_msg_intr(tp))
655 printk(KERN_EMERG "%s: Rx buffers exhausted.\n", dev->name);
660 static void sis190_unmap_tx_skb(struct pci_dev *pdev, struct sk_buff *skb,
665 len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
667 pci_unmap_single(pdev, le32_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
669 memset(desc, 0x00, sizeof(*desc));
672 static void sis190_tx_interrupt(struct net_device *dev,
673 struct sis190_private *tp, void __iomem *ioaddr)
675 u32 pending, dirty_tx = tp->dirty_tx;
677 * It would not be needed if queueing was allowed to be enabled
678 * again too early (hint: think preempt and unclocked smp systems).
680 unsigned int queue_stopped;
683 pending = tp->cur_tx - dirty_tx;
684 queue_stopped = (pending == NUM_TX_DESC);
686 for (; pending; pending--, dirty_tx++) {
687 unsigned int entry = dirty_tx % NUM_TX_DESC;
688 struct TxDesc *txd = tp->TxDescRing + entry;
691 if (le32_to_cpu(txd->status) & OWNbit)
694 skb = tp->Tx_skbuff[entry];
696 tp->stats.tx_packets++;
697 tp->stats.tx_bytes += skb->len;
699 sis190_unmap_tx_skb(tp->pci_dev, skb, txd);
700 tp->Tx_skbuff[entry] = NULL;
701 dev_kfree_skb_irq(skb);
704 if (tp->dirty_tx != dirty_tx) {
705 tp->dirty_tx = dirty_tx;
708 netif_wake_queue(dev);
713 * The interrupt handler does all of the Rx thread work and cleans up after
716 static irqreturn_t sis190_interrupt(int irq, void *__dev, struct pt_regs *regs)
718 struct net_device *dev = __dev;
719 struct sis190_private *tp = netdev_priv(dev);
720 void __iomem *ioaddr = tp->mmio_addr;
721 unsigned int handled = 0;
724 status = SIS_R32(IntrStatus);
726 if ((status == 0xffffffff) || !status)
731 if (unlikely(!netif_running(dev))) {
732 sis190_asic_down(ioaddr);
736 SIS_W32(IntrStatus, status);
738 // net_intr(tp, KERN_INFO "%s: status = %08x.\n", dev->name, status);
740 if (status & LinkChange) {
741 net_intr(tp, KERN_INFO "%s: link change.\n", dev->name);
742 schedule_work(&tp->phy_task);
746 sis190_rx_interrupt(dev, tp, ioaddr);
748 if (status & TxQ0Int)
749 sis190_tx_interrupt(dev, tp, ioaddr);
751 return IRQ_RETVAL(handled);
754 #ifdef CONFIG_NET_POLL_CONTROLLER
755 static void sis190_netpoll(struct net_device *dev)
757 struct sis190_private *tp = netdev_priv(dev);
758 struct pci_dev *pdev = tp->pci_dev;
760 disable_irq(pdev->irq);
761 sis190_interrupt(pdev->irq, dev, NULL);
762 enable_irq(pdev->irq);
766 static void sis190_free_rx_skb(struct sis190_private *tp,
767 struct sk_buff **sk_buff, struct RxDesc *desc)
769 struct pci_dev *pdev = tp->pci_dev;
771 pci_unmap_single(pdev, le32_to_cpu(desc->addr), tp->rx_buf_sz,
773 dev_kfree_skb(*sk_buff);
775 sis190_make_unusable_by_asic(desc);
778 static void sis190_rx_clear(struct sis190_private *tp)
782 for (i = 0; i < NUM_RX_DESC; i++) {
783 if (!tp->Rx_skbuff[i])
785 sis190_free_rx_skb(tp, tp->Rx_skbuff + i, tp->RxDescRing + i);
789 static void sis190_init_ring_indexes(struct sis190_private *tp)
791 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
794 static int sis190_init_ring(struct net_device *dev)
796 struct sis190_private *tp = netdev_priv(dev);
798 sis190_init_ring_indexes(tp);
800 memset(tp->Tx_skbuff, 0x0, NUM_TX_DESC * sizeof(struct sk_buff *));
801 memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
803 if (sis190_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
806 sis190_mark_as_last_descriptor(tp->RxDescRing + NUM_RX_DESC - 1);
815 static void sis190_set_rx_mode(struct net_device *dev)
817 struct sis190_private *tp = netdev_priv(dev);
818 void __iomem *ioaddr = tp->mmio_addr;
820 u32 mc_filter[2]; /* Multicast hash filter */
823 if (dev->flags & IFF_PROMISC) {
824 /* Unconditionally log net taps. */
825 net_drv(tp, KERN_NOTICE "%s: Promiscuous mode enabled.\n",
828 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
830 mc_filter[1] = mc_filter[0] = 0xffffffff;
831 } else if ((dev->mc_count > multicast_filter_limit) ||
832 (dev->flags & IFF_ALLMULTI)) {
833 /* Too many to filter perfectly -- accept all multicasts. */
834 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
835 mc_filter[1] = mc_filter[0] = 0xffffffff;
837 struct dev_mc_list *mclist;
840 rx_mode = AcceptBroadcast | AcceptMyPhys;
841 mc_filter[1] = mc_filter[0] = 0;
842 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
843 i++, mclist = mclist->next) {
845 ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
846 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
847 rx_mode |= AcceptMulticast;
851 spin_lock_irqsave(&tp->lock, flags);
853 SIS_W16(RxMacControl, rx_mode | 0x2);
854 SIS_W32(RxHashTable, mc_filter[0]);
855 SIS_W32(RxHashTable + 4, mc_filter[1]);
857 spin_unlock_irqrestore(&tp->lock, flags);
860 static void sis190_soft_reset(void __iomem *ioaddr)
862 SIS_W32(IntrControl, 0x8000);
865 SIS_W32(IntrControl, 0x0);
866 sis190_asic_down(ioaddr);
870 static void sis190_hw_start(struct net_device *dev)
872 struct sis190_private *tp = netdev_priv(dev);
873 void __iomem *ioaddr = tp->mmio_addr;
875 sis190_soft_reset(ioaddr);
877 SIS_W32(TxDescStartAddr, tp->tx_dma);
878 SIS_W32(RxDescStartAddr, tp->rx_dma);
880 SIS_W32(IntrStatus, 0xffffffff);
881 SIS_W32(IntrMask, 0x0);
883 * Default is 100Mbps.
884 * A bit strange: 100Mbps is 0x1801 elsewhere -- FR 2005/06/09
886 SIS_W16(StationControl, 0x1901);
887 SIS_W32(GMIIControl, 0x0);
888 SIS_W32(TxMacControl, 0x60);
889 SIS_W16(RxMacControl, 0x02);
890 SIS_W32(RxHashTable, 0x0);
892 SIS_W32(RxWolCtrl, 0x0);
893 SIS_W32(RxWolData, 0x0);
897 sis190_set_rx_mode(dev);
899 /* Enable all known interrupts by setting the interrupt mask. */
900 SIS_W32(IntrMask, sis190_intr_mask);
902 SIS_W32(TxControl, 0x1a00 | CmdTxEnb);
903 SIS_W32(RxControl, 0x1a1d);
905 netif_start_queue(dev);
908 static void sis190_phy_task(void * data)
910 struct net_device *dev = data;
911 struct sis190_private *tp = netdev_priv(dev);
912 void __iomem *ioaddr = tp->mmio_addr;
913 int phy_id = tp->mii_if.phy_id;
918 val = mdio_read(ioaddr, phy_id, MII_BMCR);
919 if (val & BMCR_RESET) {
920 // FIXME: needlessly high ? -- FR 02/07/2005
921 mod_timer(&tp->timer, jiffies + HZ/10);
922 } else if (!(mdio_read_latched(ioaddr, phy_id, MII_BMSR) &
923 BMSR_ANEGCOMPLETE)) {
924 net_link(tp, KERN_WARNING "%s: PHY reset until link up.\n",
926 mdio_write(ioaddr, phy_id, MII_BMCR, val | BMCR_RESET);
927 mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT);
935 { LPA_1000XFULL | LPA_SLCT,
936 "1000 Mbps Full Duplex",
938 { LPA_1000XHALF | LPA_SLCT,
939 "1000 Mbps Half Duplex",
942 "100 Mbps Full Duplex",
945 "100 Mbps Half Duplex",
948 "10 Mbps Full Duplex",
951 "10 Mbps Half Duplex",
953 { 0, "unknown", 0x0000 }
957 val = mdio_read(ioaddr, phy_id, 0x1f);
958 net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val);
960 val = mdio_read(ioaddr, phy_id, MII_LPA);
961 adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
962 net_link(tp, KERN_INFO "%s: mii lpa = %04x adv = %04x.\n",
963 dev->name, val, adv);
967 for (p = reg31; p->ctl; p++) {
968 if ((val & p->val) == p->val)
972 SIS_W16(StationControl, p->ctl);
973 net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
975 netif_carrier_on(dev);
981 static void sis190_phy_timer(unsigned long __opaque)
983 struct net_device *dev = (struct net_device *)__opaque;
984 struct sis190_private *tp = netdev_priv(dev);
986 if (likely(netif_running(dev)))
987 schedule_work(&tp->phy_task);
990 static inline void sis190_delete_timer(struct net_device *dev)
992 struct sis190_private *tp = netdev_priv(dev);
994 del_timer_sync(&tp->timer);
997 static inline void sis190_request_timer(struct net_device *dev)
999 struct sis190_private *tp = netdev_priv(dev);
1000 struct timer_list *timer = &tp->timer;
1003 timer->expires = jiffies + SIS190_PHY_TIMEOUT;
1004 timer->data = (unsigned long)dev;
1005 timer->function = sis190_phy_timer;
1009 static void sis190_set_rxbufsize(struct sis190_private *tp,
1010 struct net_device *dev)
1012 unsigned int mtu = dev->mtu;
1014 tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;
1015 /* RxDesc->size has a licence to kill the lower bits */
1016 if (tp->rx_buf_sz & 0x07) {
1018 tp->rx_buf_sz &= RX_BUF_MASK;
1022 static int sis190_open(struct net_device *dev)
1024 struct sis190_private *tp = netdev_priv(dev);
1025 struct pci_dev *pdev = tp->pci_dev;
1028 sis190_set_rxbufsize(tp, dev);
1031 * Rx and Tx descriptors need 256 bytes alignment.
1032 * pci_alloc_consistent() guarantees a stronger alignment.
1034 tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma);
1035 if (!tp->TxDescRing)
1038 tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma);
1039 if (!tp->RxDescRing)
1042 rc = sis190_init_ring(dev);
1046 INIT_WORK(&tp->phy_task, sis190_phy_task, dev);
1048 sis190_request_timer(dev);
1050 rc = request_irq(dev->irq, sis190_interrupt, SA_SHIRQ, dev->name, dev);
1052 goto err_release_timer_2;
1054 sis190_hw_start(dev);
1058 err_release_timer_2:
1059 sis190_delete_timer(dev);
1060 sis190_rx_clear(tp);
1062 pci_free_consistent(tp->pci_dev, RX_RING_BYTES, tp->RxDescRing,
1065 pci_free_consistent(tp->pci_dev, TX_RING_BYTES, tp->TxDescRing,
1070 static void sis190_tx_clear(struct sis190_private *tp)
1074 for (i = 0; i < NUM_TX_DESC; i++) {
1075 struct sk_buff *skb = tp->Tx_skbuff[i];
1080 sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i);
1081 tp->Tx_skbuff[i] = NULL;
1084 tp->stats.tx_dropped++;
1086 tp->cur_tx = tp->dirty_tx = 0;
1089 static void sis190_down(struct net_device *dev)
1091 struct sis190_private *tp = netdev_priv(dev);
1092 void __iomem *ioaddr = tp->mmio_addr;
1093 unsigned int poll_locked = 0;
1095 sis190_delete_timer(dev);
1097 netif_stop_queue(dev);
1099 flush_scheduled_work();
1102 spin_lock_irq(&tp->lock);
1104 sis190_asic_down(ioaddr);
1106 spin_unlock_irq(&tp->lock);
1108 synchronize_irq(dev->irq);
1111 netif_poll_disable(dev);
1115 synchronize_sched();
1117 } while (SIS_R32(IntrMask));
1119 sis190_tx_clear(tp);
1120 sis190_rx_clear(tp);
1123 static int sis190_close(struct net_device *dev)
1125 struct sis190_private *tp = netdev_priv(dev);
1126 struct pci_dev *pdev = tp->pci_dev;
1130 free_irq(dev->irq, dev);
1132 netif_poll_enable(dev);
1134 pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);
1135 pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);
1137 tp->TxDescRing = NULL;
1138 tp->RxDescRing = NULL;
1143 static int sis190_start_xmit(struct sk_buff *skb, struct net_device *dev)
1145 struct sis190_private *tp = netdev_priv(dev);
1146 void __iomem *ioaddr = tp->mmio_addr;
1147 u32 len, entry, dirty_tx;
1148 struct TxDesc *desc;
1151 if (unlikely(skb->len < ETH_ZLEN)) {
1152 skb = skb_padto(skb, ETH_ZLEN);
1154 tp->stats.tx_dropped++;
1162 entry = tp->cur_tx % NUM_TX_DESC;
1163 desc = tp->TxDescRing + entry;
1165 if (unlikely(le32_to_cpu(desc->status) & OWNbit)) {
1166 netif_stop_queue(dev);
1167 net_tx_err(tp, KERN_ERR PFX
1168 "%s: BUG! Tx Ring full when queue awake!\n",
1170 return NETDEV_TX_BUSY;
1173 mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
1175 tp->Tx_skbuff[entry] = skb;
1177 desc->PSize = cpu_to_le32(len);
1178 desc->addr = cpu_to_le32(mapping);
1180 desc->size = cpu_to_le32(len);
1181 if (entry == (NUM_TX_DESC - 1))
1182 desc->size |= cpu_to_le32(RingEnd);
1186 desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
1192 SIS_W32(TxControl, 0x1a00 | CmdReset | CmdTxEnb);
1194 dev->trans_start = jiffies;
1196 dirty_tx = tp->dirty_tx;
1197 if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) {
1198 netif_stop_queue(dev);
1200 if (dirty_tx != tp->dirty_tx)
1201 netif_wake_queue(dev);
1204 return NETDEV_TX_OK;
1207 static struct net_device_stats *sis190_get_stats(struct net_device *dev)
1209 struct sis190_private *tp = netdev_priv(dev);
1214 static void sis190_free_phy(struct list_head *first_phy)
1216 struct sis190_phy *cur, *next;
1218 list_for_each_entry_safe(cur, next, first_phy, list) {
1224 * sis190_default_phy - Select default PHY for sis190 mac.
1225 * @dev: the net device to probe for
1227 * Select first detected PHY with link as default.
1228 * If no one is link on, select PHY whose types is HOME as default.
1229 * If HOME doesn't exist, select LAN.
1231 static u16 sis190_default_phy(struct net_device *dev)
1233 struct sis190_phy *phy, *phy_home, *phy_default, *phy_lan;
1234 struct sis190_private *tp = netdev_priv(dev);
1235 struct mii_if_info *mii_if = &tp->mii_if;
1236 void __iomem *ioaddr = tp->mmio_addr;
1239 phy_home = phy_default = phy_lan = NULL;
1241 list_for_each_entry(phy, &tp->first_phy, list) {
1242 status = mdio_read_latched(ioaddr, phy->phy_id, MII_BMSR);
1244 // Link ON & Not select default PHY & not ghost PHY.
1245 if ((status & BMSR_LSTATUS) &&
1247 (phy->type != UNKNOWN)) {
1250 status = mdio_read(ioaddr, phy->phy_id, MII_BMCR);
1251 mdio_write(ioaddr, phy->phy_id, MII_BMCR,
1252 status | BMCR_ANENABLE | BMCR_ISOLATE);
1253 if (phy->type == HOME)
1255 else if (phy->type == LAN)
1262 phy_default = phy_home;
1264 phy_default = phy_lan;
1266 phy_default = list_entry(&tp->first_phy,
1267 struct sis190_phy, list);
1270 if (mii_if->phy_id != phy_default->phy_id) {
1271 mii_if->phy_id = phy_default->phy_id;
1272 net_probe(tp, KERN_INFO
1273 "%s: Using transceiver at address %d as default.\n",
1274 pci_name(tp->pci_dev), mii_if->phy_id);
1277 status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR);
1278 status &= (~BMCR_ISOLATE);
1280 mdio_write(ioaddr, mii_if->phy_id, MII_BMCR, status);
1281 status = mdio_read_latched(ioaddr, mii_if->phy_id, MII_BMSR);
1286 static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp,
1287 struct sis190_phy *phy, unsigned int phy_id,
1290 void __iomem *ioaddr = tp->mmio_addr;
1291 struct mii_chip_info *p;
1293 INIT_LIST_HEAD(&phy->list);
1294 phy->status = mii_status;
1295 phy->phy_id = phy_id;
1297 phy->id[0] = mdio_read(ioaddr, phy_id, MII_PHYSID1);
1298 phy->id[1] = mdio_read(ioaddr, phy_id, MII_PHYSID2);
1300 for (p = mii_chip_table; p->type; p++) {
1301 if ((p->id[0] == phy->id[0]) &&
1302 (p->id[1] == (phy->id[1] & 0xfff0))) {
1308 phy->type = (p->type == MIX) ?
1309 ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ?
1310 LAN : HOME) : p->type;
1312 phy->type = UNKNOWN;
1314 net_probe(tp, KERN_INFO "%s: %s transceiver at address %d.\n",
1315 pci_name(tp->pci_dev),
1316 (phy->type == UNKNOWN) ? "Unknown PHY" : p->name, phy_id);
1320 * sis190_mii_probe - Probe MII PHY for sis190
1321 * @dev: the net device to probe for
1323 * Search for total of 32 possible mii phy addresses.
1324 * Identify and set current phy if found one,
1325 * return error if it failed to found.
1327 static int __devinit sis190_mii_probe(struct net_device *dev)
1329 struct sis190_private *tp = netdev_priv(dev);
1330 struct mii_if_info *mii_if = &tp->mii_if;
1331 void __iomem *ioaddr = tp->mmio_addr;
1335 INIT_LIST_HEAD(&tp->first_phy);
1337 for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
1338 struct sis190_phy *phy;
1341 status = mdio_read_latched(ioaddr, phy_id, MII_BMSR);
1343 // Try next mii if the current one is not accessible.
1344 if (status == 0xffff || status == 0x0000)
1347 phy = kmalloc(sizeof(*phy), GFP_KERNEL);
1349 sis190_free_phy(&tp->first_phy);
1354 sis190_init_phy(dev, tp, phy, phy_id, status);
1356 list_add(&tp->first_phy, &phy->list);
1359 if (list_empty(&tp->first_phy)) {
1360 net_probe(tp, KERN_INFO "%s: No MII transceivers found!\n",
1361 pci_name(tp->pci_dev));
1366 /* Select default PHY for mac */
1367 sis190_default_phy(dev);
1370 mii_if->mdio_read = __mdio_read;
1371 mii_if->mdio_write = __mdio_write;
1372 mii_if->phy_id_mask = PHY_ID_ANY;
1373 mii_if->reg_num_mask = MII_REG_ANY;
1378 static void __devexit sis190_mii_remove(struct net_device *dev)
1380 struct sis190_private *tp = netdev_priv(dev);
1382 sis190_free_phy(&tp->first_phy);
1385 static void sis190_release_board(struct pci_dev *pdev)
1387 struct net_device *dev = pci_get_drvdata(pdev);
1388 struct sis190_private *tp = netdev_priv(dev);
1390 iounmap(tp->mmio_addr);
1391 pci_release_regions(pdev);
1392 pci_disable_device(pdev);
1396 static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev)
1398 struct sis190_private *tp;
1399 struct net_device *dev;
1400 void __iomem *ioaddr;
1403 dev = alloc_etherdev(sizeof(*tp));
1405 net_drv(&debug, KERN_ERR PFX "unable to alloc new ethernet\n");
1410 SET_MODULE_OWNER(dev);
1411 SET_NETDEV_DEV(dev, &pdev->dev);
1413 tp = netdev_priv(dev);
1414 tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT);
1416 rc = pci_enable_device(pdev);
1418 net_probe(tp, KERN_ERR "%s: enable failure\n", pci_name(pdev));
1419 goto err_free_dev_1;
1424 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1425 net_probe(tp, KERN_ERR "%s: region #0 is no MMIO resource.\n",
1427 goto err_pci_disable_2;
1429 if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) {
1430 net_probe(tp, KERN_ERR "%s: invalid PCI region size(s).\n",
1432 goto err_pci_disable_2;
1435 rc = pci_request_regions(pdev, DRV_NAME);
1437 net_probe(tp, KERN_ERR PFX "%s: could not request regions.\n",
1439 goto err_pci_disable_2;
1442 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1444 net_probe(tp, KERN_ERR "%s: DMA configuration failed.\n",
1446 goto err_free_res_3;
1449 pci_set_master(pdev);
1451 ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE);
1453 net_probe(tp, KERN_ERR "%s: cannot remap MMIO, aborting\n",
1456 goto err_free_res_3;
1460 tp->mmio_addr = ioaddr;
1462 sis190_irq_mask_and_ack(ioaddr);
1464 sis190_soft_reset(ioaddr);
1469 pci_release_regions(pdev);
1471 pci_disable_device(pdev);
1479 static void sis190_tx_timeout(struct net_device *dev)
1481 struct sis190_private *tp = netdev_priv(dev);
1482 void __iomem *ioaddr = tp->mmio_addr;
1485 /* Disable Tx, if not already */
1486 tmp8 = SIS_R8(TxControl);
1487 if (tmp8 & CmdTxEnb)
1488 SIS_W8(TxControl, tmp8 & ~CmdTxEnb);
1491 net_tx_err(tp, KERN_INFO "%s: Transmit timeout, status %08x %08x.\n",
1492 dev->name, SIS_R32(TxControl), SIS_R32(TxSts));
1494 /* Disable interrupts by clearing the interrupt mask. */
1495 SIS_W32(IntrMask, 0x0000);
1497 /* Stop a shared interrupt from scavenging while we are. */
1498 spin_lock_irq(&tp->lock);
1499 sis190_tx_clear(tp);
1500 spin_unlock_irq(&tp->lock);
1502 /* ...and finally, reset everything. */
1503 sis190_hw_start(dev);
1505 netif_wake_queue(dev);
1508 static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
1509 struct net_device *dev)
1511 struct sis190_private *tp = netdev_priv(dev);
1512 void __iomem *ioaddr = tp->mmio_addr;
1516 net_probe(tp, KERN_INFO "%s: Read MAC address from EEPROM\n",
1519 /* Check to see if there is a sane EEPROM */
1520 sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature);
1522 if ((sig == 0xffff) || (sig == 0x0000)) {
1523 net_probe(tp, KERN_INFO "%s: Error EEPROM read %x.\n",
1524 pci_name(pdev), sig);
1528 /* Get MAC address from EEPROM */
1529 for (i = 0; i < MAC_ADDR_LEN / 2; i++) {
1530 __le16 w = sis190_read_eeprom(ioaddr, EEPROMMACAddr + i);
1532 ((u16 *)dev->dev_addr)[0] = le16_to_cpu(w);
1539 * sis190_get_mac_addr_from_apc - Get MAC address for SiS965 model
1541 * @dev: network device to get address for
1543 * SiS965 model, use APC CMOS RAM to store MAC address.
1544 * APC CMOS RAM is accessed through ISA bridge.
1545 * MAC address is read into @net_dev->dev_addr.
1547 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
1548 struct net_device *dev)
1550 struct sis190_private *tp = netdev_priv(dev);
1551 struct pci_dev *isa_bridge;
1555 net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
1558 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0965, NULL);
1560 net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
1565 /* Enable port 78h & 79h to access APC Registers. */
1566 pci_read_config_byte(isa_bridge, 0x48, &tmp8);
1567 reg = (tmp8 & ~0x02);
1568 pci_write_config_byte(isa_bridge, 0x48, reg);
1570 pci_read_config_byte(isa_bridge, 0x48, ®);
1572 for (i = 0; i < MAC_ADDR_LEN; i++) {
1573 outb(0x9 + i, 0x78);
1574 dev->dev_addr[i] = inb(0x79);
1580 /* Restore the value to ISA Bridge */
1581 pci_write_config_byte(isa_bridge, 0x48, tmp8);
1582 pci_dev_put(isa_bridge);
1588 * sis190_init_rxfilter - Initialize the Rx filter
1589 * @dev: network device to initialize
1591 * Set receive filter address to our MAC address
1592 * and enable packet filtering.
1594 static inline void sis190_init_rxfilter(struct net_device *dev)
1596 struct sis190_private *tp = netdev_priv(dev);
1597 void __iomem *ioaddr = tp->mmio_addr;
1601 ctl = SIS_R16(RxMacControl);
1603 * Disable packet filtering before setting filter.
1604 * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits
1605 * only and followed by RxMacAddr (6 bytes). Strange. -- FR
1607 SIS_W16(RxMacControl, ctl & ~0x0f00);
1609 for (i = 0; i < MAC_ADDR_LEN; i++)
1610 SIS_W8(RxMacAddr + i, dev->dev_addr[i]);
1612 SIS_W16(RxMacControl, ctl);
1616 static int sis190_get_mac_addr(struct pci_dev *pdev, struct net_device *dev)
1620 pci_read_config_byte(pdev, 0x73, &from);
1622 return (from & 0x00000001) ?
1623 sis190_get_mac_addr_from_apc(pdev, dev) :
1624 sis190_get_mac_addr_from_eeprom(pdev, dev);
1627 static void sis190_set_speed_auto(struct net_device *dev)
1629 struct sis190_private *tp = netdev_priv(dev);
1630 void __iomem *ioaddr = tp->mmio_addr;
1631 int phy_id = tp->mii_if.phy_id;
1634 net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name);
1636 val = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
1638 // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0
1640 mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) |
1641 ADVERTISE_100FULL | ADVERTISE_10FULL |
1642 ADVERTISE_100HALF | ADVERTISE_10HALF);
1644 // Enable 1000 Full Mode.
1645 mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL);
1647 // Enable auto-negotiation and restart auto-negotiation.
1648 mdio_write(ioaddr, phy_id, MII_BMCR,
1649 BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET);
1652 static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1654 struct sis190_private *tp = netdev_priv(dev);
1656 return mii_ethtool_gset(&tp->mii_if, cmd);
1659 static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1661 struct sis190_private *tp = netdev_priv(dev);
1663 return mii_ethtool_sset(&tp->mii_if, cmd);
1666 static void sis190_get_drvinfo(struct net_device *dev,
1667 struct ethtool_drvinfo *info)
1669 struct sis190_private *tp = netdev_priv(dev);
1671 strcpy(info->driver, DRV_NAME);
1672 strcpy(info->version, DRV_VERSION);
1673 strcpy(info->bus_info, pci_name(tp->pci_dev));
1676 static int sis190_get_regs_len(struct net_device *dev)
1678 return SIS190_REGS_SIZE;
1681 static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1684 struct sis190_private *tp = netdev_priv(dev);
1685 unsigned long flags;
1687 if (regs->len > SIS190_REGS_SIZE)
1688 regs->len = SIS190_REGS_SIZE;
1690 spin_lock_irqsave(&tp->lock, flags);
1691 memcpy_fromio(p, tp->mmio_addr, regs->len);
1692 spin_unlock_irqrestore(&tp->lock, flags);
1695 static int sis190_nway_reset(struct net_device *dev)
1697 struct sis190_private *tp = netdev_priv(dev);
1699 return mii_nway_restart(&tp->mii_if);
1702 static u32 sis190_get_msglevel(struct net_device *dev)
1704 struct sis190_private *tp = netdev_priv(dev);
1706 return tp->msg_enable;
1709 static void sis190_set_msglevel(struct net_device *dev, u32 value)
1711 struct sis190_private *tp = netdev_priv(dev);
1713 tp->msg_enable = value;
1716 static struct ethtool_ops sis190_ethtool_ops = {
1717 .get_settings = sis190_get_settings,
1718 .set_settings = sis190_set_settings,
1719 .get_drvinfo = sis190_get_drvinfo,
1720 .get_regs_len = sis190_get_regs_len,
1721 .get_regs = sis190_get_regs,
1722 .get_link = ethtool_op_get_link,
1723 .get_msglevel = sis190_get_msglevel,
1724 .set_msglevel = sis190_set_msglevel,
1725 .nway_reset = sis190_nway_reset,
1728 static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1730 struct sis190_private *tp = netdev_priv(dev);
1732 return !netif_running(dev) ? -EINVAL :
1733 generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);
1736 static int __devinit sis190_init_one(struct pci_dev *pdev,
1737 const struct pci_device_id *ent)
1739 static int printed_version = 0;
1740 struct sis190_private *tp;
1741 struct net_device *dev;
1742 void __iomem *ioaddr;
1745 if (!printed_version) {
1746 net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
1747 printed_version = 1;
1750 dev = sis190_init_board(pdev);
1756 tp = netdev_priv(dev);
1757 ioaddr = tp->mmio_addr;
1759 rc = sis190_get_mac_addr(pdev, dev);
1761 goto err_release_board;
1763 sis190_init_rxfilter(dev);
1765 INIT_WORK(&tp->phy_task, sis190_phy_task, dev);
1767 dev->open = sis190_open;
1768 dev->stop = sis190_close;
1769 dev->do_ioctl = sis190_ioctl;
1770 dev->get_stats = sis190_get_stats;
1771 dev->tx_timeout = sis190_tx_timeout;
1772 dev->watchdog_timeo = SIS190_TX_TIMEOUT;
1773 dev->hard_start_xmit = sis190_start_xmit;
1774 #ifdef CONFIG_NET_POLL_CONTROLLER
1775 dev->poll_controller = sis190_netpoll;
1777 dev->set_multicast_list = sis190_set_rx_mode;
1778 SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops);
1779 dev->irq = pdev->irq;
1780 dev->base_addr = (unsigned long) 0xdead;
1782 spin_lock_init(&tp->lock);
1784 rc = sis190_mii_probe(dev);
1786 goto err_release_board;
1788 rc = register_netdev(dev);
1790 goto err_remove_mii;
1792 pci_set_drvdata(pdev, dev);
1794 net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), "
1795 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
1796 pci_name(pdev), sis_chip_info[ent->driver_data].name,
1798 dev->dev_addr[0], dev->dev_addr[1],
1799 dev->dev_addr[2], dev->dev_addr[3],
1800 dev->dev_addr[4], dev->dev_addr[5]);
1802 netif_carrier_off(dev);
1804 sis190_set_speed_auto(dev);
1809 sis190_mii_remove(dev);
1811 sis190_release_board(pdev);
1815 static void __devexit sis190_remove_one(struct pci_dev *pdev)
1817 struct net_device *dev = pci_get_drvdata(pdev);
1819 sis190_mii_remove(dev);
1820 unregister_netdev(dev);
1821 sis190_release_board(pdev);
1822 pci_set_drvdata(pdev, NULL);
1825 static struct pci_driver sis190_pci_driver = {
1827 .id_table = sis190_pci_tbl,
1828 .probe = sis190_init_one,
1829 .remove = __devexit_p(sis190_remove_one),
1832 static int __init sis190_init_module(void)
1834 return pci_module_init(&sis190_pci_driver);
1837 static void __exit sis190_cleanup_module(void)
1839 pci_unregister_driver(&sis190_pci_driver);
1842 module_init(sis190_init_module);
1843 module_exit(sis190_cleanup_module);