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
228 RxDescCountMask = 0x7f000000, // multi-desc pkt when > 1 ? -- FR
237 RxSizeMask = 0x0000ffff
239 * The asic could apparently do vlan, TSO, jumbo (sis191 only) and
240 * provide two (unused with Linux) Tx queues. No publically
241 * available documentation alas.
245 enum sis190_eeprom_access_register_bits {
246 EECS = 0x00000001, // unused
247 EECLK = 0x00000002, // unused
248 EEDO = 0x00000008, // unused
249 EEDI = 0x00000004, // unused
252 EEWOP = 0x00000100 // unused
255 /* EEPROM Addresses */
256 enum sis190_eeprom_address {
257 EEPROMSignature = 0x00,
258 EEPROMCLK = 0x01, // unused
263 enum sis190_feature {
269 struct sis190_private {
270 void __iomem *mmio_addr;
271 struct pci_dev *pci_dev;
272 struct net_device *dev;
281 struct RxDesc *RxDescRing;
282 struct TxDesc *TxDescRing;
283 struct sk_buff *Rx_skbuff[NUM_RX_DESC];
284 struct sk_buff *Tx_skbuff[NUM_TX_DESC];
285 struct work_struct phy_task;
286 struct timer_list timer;
288 struct mii_if_info mii_if;
289 struct list_head first_phy;
294 struct list_head list;
301 enum sis190_phy_type {
308 static struct mii_chip_info {
313 } mii_chip_table[] = {
314 { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 },
315 { "Broadcom PHY AC131", { 0x0143, 0xbc70 }, LAN, 0 },
316 { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 },
317 { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 },
318 { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 },
322 static const struct {
324 } sis_chip_info[] = {
325 { "SiS 190 PCI Fast Ethernet adapter" },
326 { "SiS 191 PCI Gigabit Ethernet adapter" },
329 static struct pci_device_id sis190_pci_tbl[] = {
330 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 },
331 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 },
335 MODULE_DEVICE_TABLE(pci, sis190_pci_tbl);
337 static int rx_copybreak = 200;
343 MODULE_DESCRIPTION("SiS sis190 Gigabit Ethernet driver");
344 module_param(rx_copybreak, int, 0);
345 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
346 module_param_named(debug, debug.msg_enable, int, 0);
347 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
348 MODULE_AUTHOR("K.M. Liu <kmliu@sis.com>, Ueimor <romieu@fr.zoreil.com>");
349 MODULE_VERSION(DRV_VERSION);
350 MODULE_LICENSE("GPL");
352 static const u32 sis190_intr_mask =
353 RxQEmpty | RxQInt | TxQ1Int | TxQ0Int | RxHalt | TxHalt | LinkChange;
356 * Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
357 * The chips use a 64 element hash table based on the Ethernet CRC.
359 static const int multicast_filter_limit = 32;
361 static void __mdio_cmd(void __iomem *ioaddr, u32 ctl)
365 SIS_W32(GMIIControl, ctl);
369 for (i = 0; i < 100; i++) {
370 if (!(SIS_R32(GMIIControl) & EhnMIInotDone))
376 printk(KERN_ERR PFX "PHY command failed !\n");
379 static void mdio_write(void __iomem *ioaddr, int phy_id, int reg, int val)
381 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIwrite |
382 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift) |
383 (((u32) val) << EhnMIIdataShift));
386 static int mdio_read(void __iomem *ioaddr, int phy_id, int reg)
388 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIread |
389 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift));
391 return (u16) (SIS_R32(GMIIControl) >> EhnMIIdataShift);
394 static void __mdio_write(struct net_device *dev, int phy_id, int reg, int val)
396 struct sis190_private *tp = netdev_priv(dev);
398 mdio_write(tp->mmio_addr, phy_id, reg, val);
401 static int __mdio_read(struct net_device *dev, int phy_id, int reg)
403 struct sis190_private *tp = netdev_priv(dev);
405 return mdio_read(tp->mmio_addr, phy_id, reg);
408 static u16 mdio_read_latched(void __iomem *ioaddr, int phy_id, int reg)
410 mdio_read(ioaddr, phy_id, reg);
411 return mdio_read(ioaddr, phy_id, reg);
414 static u16 __devinit sis190_read_eeprom(void __iomem *ioaddr, u32 reg)
419 if (!(SIS_R32(ROMControl) & 0x0002))
422 SIS_W32(ROMInterface, EEREQ | EEROP | (reg << 10));
424 for (i = 0; i < 200; i++) {
425 if (!(SIS_R32(ROMInterface) & EEREQ)) {
426 data = (SIS_R32(ROMInterface) & 0xffff0000) >> 16;
435 static void sis190_irq_mask_and_ack(void __iomem *ioaddr)
437 SIS_W32(IntrMask, 0x00);
438 SIS_W32(IntrStatus, 0xffffffff);
442 static void sis190_asic_down(void __iomem *ioaddr)
444 /* Stop the chip's Tx and Rx DMA processes. */
446 SIS_W32(TxControl, 0x1a00);
447 SIS_W32(RxControl, 0x1a00);
449 sis190_irq_mask_and_ack(ioaddr);
452 static void sis190_mark_as_last_descriptor(struct RxDesc *desc)
454 desc->size |= cpu_to_le32(RingEnd);
457 static inline void sis190_give_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
459 u32 eor = le32_to_cpu(desc->size) & RingEnd;
462 desc->size = cpu_to_le32((rx_buf_sz & RX_BUF_MASK) | eor);
464 desc->status = cpu_to_le32(OWNbit | INTbit);
467 static inline void sis190_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
470 desc->addr = cpu_to_le32(mapping);
471 sis190_give_to_asic(desc, rx_buf_sz);
474 static inline void sis190_make_unusable_by_asic(struct RxDesc *desc)
477 desc->addr = cpu_to_le32(0xdeadbeef);
478 desc->size &= cpu_to_le32(RingEnd);
483 static int sis190_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff,
484 struct RxDesc *desc, u32 rx_buf_sz)
490 skb = dev_alloc_skb(rx_buf_sz);
496 mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
499 sis190_map_to_asic(desc, mapping, rx_buf_sz);
505 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 int ret, i = cur % NUM_RX_DESC;
517 if (tp->Rx_skbuff[i])
520 ret = sis190_alloc_rx_skb(tp->pci_dev, tp->Rx_skbuff + i,
521 tp->RxDescRing + i, tp->rx_buf_sz);
528 static inline int sis190_try_rx_copy(struct sk_buff **sk_buff, int pkt_size,
529 struct RxDesc *desc, int rx_buf_sz)
533 if (pkt_size < rx_copybreak) {
536 skb = dev_alloc_skb(pkt_size + NET_IP_ALIGN);
538 skb_reserve(skb, NET_IP_ALIGN);
539 skb_copy_to_linear_data(skb, sk_buff[0]->data, pkt_size);
541 sis190_give_to_asic(desc, rx_buf_sz);
548 static inline int sis190_rx_pkt_err(u32 status, struct net_device_stats *stats)
550 #define ErrMask (OVRUN | SHORT | LIMIT | MIIER | NIBON | COLON | ABORT)
552 if ((status & CRCOK) && !(status & ErrMask))
555 if (!(status & CRCOK))
556 stats->rx_crc_errors++;
557 else if (status & OVRUN)
558 stats->rx_over_errors++;
559 else if (status & (SHORT | LIMIT))
560 stats->rx_length_errors++;
561 else if (status & (MIIER | NIBON | COLON))
562 stats->rx_frame_errors++;
568 static int sis190_rx_interrupt(struct net_device *dev,
569 struct sis190_private *tp, void __iomem *ioaddr)
571 struct net_device_stats *stats = &dev->stats;
572 u32 rx_left, cur_rx = tp->cur_rx;
575 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
576 rx_left = sis190_rx_quota(rx_left, (u32) dev->quota);
578 for (; rx_left > 0; rx_left--, cur_rx++) {
579 unsigned int entry = cur_rx % NUM_RX_DESC;
580 struct RxDesc *desc = tp->RxDescRing + entry;
583 if (le32_to_cpu(desc->status) & OWNbit)
586 status = le32_to_cpu(desc->PSize);
588 // net_intr(tp, KERN_INFO "%s: Rx PSize = %08x.\n", dev->name,
591 if (sis190_rx_pkt_err(status, stats) < 0)
592 sis190_give_to_asic(desc, tp->rx_buf_sz);
594 struct sk_buff *skb = tp->Rx_skbuff[entry];
595 int pkt_size = (status & RxSizeMask) - 4;
596 void (*pci_action)(struct pci_dev *, dma_addr_t,
597 size_t, int) = pci_dma_sync_single_for_device;
599 if (unlikely(pkt_size > tp->rx_buf_sz)) {
600 net_intr(tp, KERN_INFO
601 "%s: (frag) status = %08x.\n",
604 stats->rx_length_errors++;
605 sis190_give_to_asic(desc, tp->rx_buf_sz);
609 pci_dma_sync_single_for_cpu(tp->pci_dev,
610 le32_to_cpu(desc->addr), tp->rx_buf_sz,
613 if (sis190_try_rx_copy(&skb, pkt_size, desc,
615 pci_action = pci_unmap_single;
616 tp->Rx_skbuff[entry] = NULL;
617 sis190_make_unusable_by_asic(desc);
620 pci_action(tp->pci_dev, le32_to_cpu(desc->addr),
621 tp->rx_buf_sz, PCI_DMA_FROMDEVICE);
623 skb_put(skb, pkt_size);
624 skb->protocol = eth_type_trans(skb, dev);
628 dev->last_rx = jiffies;
630 stats->rx_bytes += pkt_size;
631 if ((status & BCAST) == MCAST)
635 count = cur_rx - tp->cur_rx;
638 delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
639 if (!delta && count && netif_msg_intr(tp))
640 printk(KERN_INFO "%s: no Rx buffer allocated.\n", dev->name);
641 tp->dirty_rx += delta;
643 if (((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) && netif_msg_intr(tp))
644 printk(KERN_EMERG "%s: Rx buffers exhausted.\n", dev->name);
649 static void sis190_unmap_tx_skb(struct pci_dev *pdev, struct sk_buff *skb,
654 len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
656 pci_unmap_single(pdev, le32_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
658 memset(desc, 0x00, sizeof(*desc));
661 static void sis190_tx_interrupt(struct net_device *dev,
662 struct sis190_private *tp, void __iomem *ioaddr)
664 u32 pending, dirty_tx = tp->dirty_tx;
666 * It would not be needed if queueing was allowed to be enabled
667 * again too early (hint: think preempt and unclocked smp systems).
669 unsigned int queue_stopped;
672 pending = tp->cur_tx - dirty_tx;
673 queue_stopped = (pending == NUM_TX_DESC);
675 for (; pending; pending--, dirty_tx++) {
676 unsigned int entry = dirty_tx % NUM_TX_DESC;
677 struct TxDesc *txd = tp->TxDescRing + entry;
680 if (le32_to_cpu(txd->status) & OWNbit)
683 skb = tp->Tx_skbuff[entry];
685 dev->stats.tx_packets++;
686 dev->stats.tx_bytes += skb->len;
688 sis190_unmap_tx_skb(tp->pci_dev, skb, txd);
689 tp->Tx_skbuff[entry] = NULL;
690 dev_kfree_skb_irq(skb);
693 if (tp->dirty_tx != dirty_tx) {
694 tp->dirty_tx = dirty_tx;
697 netif_wake_queue(dev);
702 * The interrupt handler does all of the Rx thread work and cleans up after
705 static irqreturn_t sis190_interrupt(int irq, void *__dev)
707 struct net_device *dev = __dev;
708 struct sis190_private *tp = netdev_priv(dev);
709 void __iomem *ioaddr = tp->mmio_addr;
710 unsigned int handled = 0;
713 status = SIS_R32(IntrStatus);
715 if ((status == 0xffffffff) || !status)
720 if (unlikely(!netif_running(dev))) {
721 sis190_asic_down(ioaddr);
725 SIS_W32(IntrStatus, status);
727 // net_intr(tp, KERN_INFO "%s: status = %08x.\n", dev->name, status);
729 if (status & LinkChange) {
730 net_intr(tp, KERN_INFO "%s: link change.\n", dev->name);
731 schedule_work(&tp->phy_task);
735 sis190_rx_interrupt(dev, tp, ioaddr);
737 if (status & TxQ0Int)
738 sis190_tx_interrupt(dev, tp, ioaddr);
740 return IRQ_RETVAL(handled);
743 #ifdef CONFIG_NET_POLL_CONTROLLER
744 static void sis190_netpoll(struct net_device *dev)
746 struct sis190_private *tp = netdev_priv(dev);
747 struct pci_dev *pdev = tp->pci_dev;
749 disable_irq(pdev->irq);
750 sis190_interrupt(pdev->irq, dev);
751 enable_irq(pdev->irq);
755 static void sis190_free_rx_skb(struct sis190_private *tp,
756 struct sk_buff **sk_buff, struct RxDesc *desc)
758 struct pci_dev *pdev = tp->pci_dev;
760 pci_unmap_single(pdev, le32_to_cpu(desc->addr), tp->rx_buf_sz,
762 dev_kfree_skb(*sk_buff);
764 sis190_make_unusable_by_asic(desc);
767 static void sis190_rx_clear(struct sis190_private *tp)
771 for (i = 0; i < NUM_RX_DESC; i++) {
772 if (!tp->Rx_skbuff[i])
774 sis190_free_rx_skb(tp, tp->Rx_skbuff + i, tp->RxDescRing + i);
778 static void sis190_init_ring_indexes(struct sis190_private *tp)
780 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
783 static int sis190_init_ring(struct net_device *dev)
785 struct sis190_private *tp = netdev_priv(dev);
787 sis190_init_ring_indexes(tp);
789 memset(tp->Tx_skbuff, 0x0, NUM_TX_DESC * sizeof(struct sk_buff *));
790 memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
792 if (sis190_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
795 sis190_mark_as_last_descriptor(tp->RxDescRing + NUM_RX_DESC - 1);
804 static void sis190_set_rx_mode(struct net_device *dev)
806 struct sis190_private *tp = netdev_priv(dev);
807 void __iomem *ioaddr = tp->mmio_addr;
809 u32 mc_filter[2]; /* Multicast hash filter */
812 if (dev->flags & IFF_PROMISC) {
814 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
816 mc_filter[1] = mc_filter[0] = 0xffffffff;
817 } else if ((dev->mc_count > multicast_filter_limit) ||
818 (dev->flags & IFF_ALLMULTI)) {
819 /* Too many to filter perfectly -- accept all multicasts. */
820 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
821 mc_filter[1] = mc_filter[0] = 0xffffffff;
823 struct dev_mc_list *mclist;
826 rx_mode = AcceptBroadcast | AcceptMyPhys;
827 mc_filter[1] = mc_filter[0] = 0;
828 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
829 i++, mclist = mclist->next) {
831 ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f;
832 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
833 rx_mode |= AcceptMulticast;
837 spin_lock_irqsave(&tp->lock, flags);
839 SIS_W16(RxMacControl, rx_mode | 0x2);
840 SIS_W32(RxHashTable, mc_filter[0]);
841 SIS_W32(RxHashTable + 4, mc_filter[1]);
843 spin_unlock_irqrestore(&tp->lock, flags);
846 static void sis190_soft_reset(void __iomem *ioaddr)
848 SIS_W32(IntrControl, 0x8000);
850 SIS_W32(IntrControl, 0x0);
851 sis190_asic_down(ioaddr);
854 static void sis190_hw_start(struct net_device *dev)
856 struct sis190_private *tp = netdev_priv(dev);
857 void __iomem *ioaddr = tp->mmio_addr;
859 sis190_soft_reset(ioaddr);
861 SIS_W32(TxDescStartAddr, tp->tx_dma);
862 SIS_W32(RxDescStartAddr, tp->rx_dma);
864 SIS_W32(IntrStatus, 0xffffffff);
865 SIS_W32(IntrMask, 0x0);
866 SIS_W32(GMIIControl, 0x0);
867 SIS_W32(TxMacControl, 0x60);
868 SIS_W16(RxMacControl, 0x02);
869 SIS_W32(RxHashTable, 0x0);
871 SIS_W32(RxWolCtrl, 0x0);
872 SIS_W32(RxWolData, 0x0);
876 sis190_set_rx_mode(dev);
878 /* Enable all known interrupts by setting the interrupt mask. */
879 SIS_W32(IntrMask, sis190_intr_mask);
881 SIS_W32(TxControl, 0x1a00 | CmdTxEnb);
882 SIS_W32(RxControl, 0x1a1d);
884 netif_start_queue(dev);
887 static void sis190_phy_task(struct work_struct *work)
889 struct sis190_private *tp =
890 container_of(work, struct sis190_private, phy_task);
891 struct net_device *dev = tp->dev;
892 void __iomem *ioaddr = tp->mmio_addr;
893 int phy_id = tp->mii_if.phy_id;
898 if (!netif_running(dev))
901 val = mdio_read(ioaddr, phy_id, MII_BMCR);
902 if (val & BMCR_RESET) {
903 // FIXME: needlessly high ? -- FR 02/07/2005
904 mod_timer(&tp->timer, jiffies + HZ/10);
905 } else if (!(mdio_read_latched(ioaddr, phy_id, MII_BMSR) &
906 BMSR_ANEGCOMPLETE)) {
907 net_link(tp, KERN_WARNING "%s: PHY reset until link up.\n",
909 netif_carrier_off(dev);
910 mdio_write(ioaddr, phy_id, MII_BMCR, val | BMCR_RESET);
911 mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT);
919 { LPA_1000XFULL | LPA_SLCT, 0x07000c00 | 0x00001000,
920 "1000 Mbps Full Duplex" },
921 { LPA_1000XHALF | LPA_SLCT, 0x07000c00,
922 "1000 Mbps Half Duplex" },
923 { LPA_100FULL, 0x04000800 | 0x00001000,
924 "100 Mbps Full Duplex" },
925 { LPA_100HALF, 0x04000800,
926 "100 Mbps Half Duplex" },
927 { LPA_10FULL, 0x04000400 | 0x00001000,
928 "10 Mbps Full Duplex" },
929 { LPA_10HALF, 0x04000400,
930 "10 Mbps Half Duplex" },
931 { 0, 0x04000400, "unknown" }
935 val = mdio_read(ioaddr, phy_id, 0x1f);
936 net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val);
938 val = mdio_read(ioaddr, phy_id, MII_LPA);
939 adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
940 net_link(tp, KERN_INFO "%s: mii lpa = %04x adv = %04x.\n",
941 dev->name, val, adv);
945 for (p = reg31; p->val; p++) {
946 if ((val & p->val) == p->val)
950 p->ctl |= SIS_R32(StationControl) & ~0x0f001c00;
952 if ((tp->features & F_HAS_RGMII) &&
953 (tp->features & F_PHY_BCM5461)) {
954 // Set Tx Delay in RGMII mode.
955 mdio_write(ioaddr, phy_id, 0x18, 0xf1c7);
957 mdio_write(ioaddr, phy_id, 0x1c, 0x8c00);
958 p->ctl |= 0x03000000;
961 SIS_W32(StationControl, p->ctl);
963 if (tp->features & F_HAS_RGMII) {
964 SIS_W32(RGDelay, 0x0441);
965 SIS_W32(RGDelay, 0x0440);
968 net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
970 netif_carrier_on(dev);
977 static void sis190_phy_timer(unsigned long __opaque)
979 struct net_device *dev = (struct net_device *)__opaque;
980 struct sis190_private *tp = netdev_priv(dev);
982 if (likely(netif_running(dev)))
983 schedule_work(&tp->phy_task);
986 static inline void sis190_delete_timer(struct net_device *dev)
988 struct sis190_private *tp = netdev_priv(dev);
990 del_timer_sync(&tp->timer);
993 static inline void sis190_request_timer(struct net_device *dev)
995 struct sis190_private *tp = netdev_priv(dev);
996 struct timer_list *timer = &tp->timer;
999 timer->expires = jiffies + SIS190_PHY_TIMEOUT;
1000 timer->data = (unsigned long)dev;
1001 timer->function = sis190_phy_timer;
1005 static void sis190_set_rxbufsize(struct sis190_private *tp,
1006 struct net_device *dev)
1008 unsigned int mtu = dev->mtu;
1010 tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;
1011 /* RxDesc->size has a licence to kill the lower bits */
1012 if (tp->rx_buf_sz & 0x07) {
1014 tp->rx_buf_sz &= RX_BUF_MASK;
1018 static int sis190_open(struct net_device *dev)
1020 struct sis190_private *tp = netdev_priv(dev);
1021 struct pci_dev *pdev = tp->pci_dev;
1024 sis190_set_rxbufsize(tp, dev);
1027 * Rx and Tx descriptors need 256 bytes alignment.
1028 * pci_alloc_consistent() guarantees a stronger alignment.
1030 tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma);
1031 if (!tp->TxDescRing)
1034 tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma);
1035 if (!tp->RxDescRing)
1038 rc = sis190_init_ring(dev);
1042 sis190_request_timer(dev);
1044 rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev);
1046 goto err_release_timer_2;
1048 sis190_hw_start(dev);
1052 err_release_timer_2:
1053 sis190_delete_timer(dev);
1054 sis190_rx_clear(tp);
1056 pci_free_consistent(tp->pci_dev, RX_RING_BYTES, tp->RxDescRing,
1059 pci_free_consistent(tp->pci_dev, TX_RING_BYTES, tp->TxDescRing,
1064 static void sis190_tx_clear(struct sis190_private *tp)
1068 for (i = 0; i < NUM_TX_DESC; i++) {
1069 struct sk_buff *skb = tp->Tx_skbuff[i];
1074 sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i);
1075 tp->Tx_skbuff[i] = NULL;
1078 tp->dev->stats.tx_dropped++;
1080 tp->cur_tx = tp->dirty_tx = 0;
1083 static void sis190_down(struct net_device *dev)
1085 struct sis190_private *tp = netdev_priv(dev);
1086 void __iomem *ioaddr = tp->mmio_addr;
1087 unsigned int poll_locked = 0;
1089 sis190_delete_timer(dev);
1091 netif_stop_queue(dev);
1094 spin_lock_irq(&tp->lock);
1096 sis190_asic_down(ioaddr);
1098 spin_unlock_irq(&tp->lock);
1100 synchronize_irq(dev->irq);
1105 synchronize_sched();
1107 } while (SIS_R32(IntrMask));
1109 sis190_tx_clear(tp);
1110 sis190_rx_clear(tp);
1113 static int sis190_close(struct net_device *dev)
1115 struct sis190_private *tp = netdev_priv(dev);
1116 struct pci_dev *pdev = tp->pci_dev;
1120 free_irq(dev->irq, dev);
1122 pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);
1123 pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);
1125 tp->TxDescRing = NULL;
1126 tp->RxDescRing = NULL;
1131 static int sis190_start_xmit(struct sk_buff *skb, struct net_device *dev)
1133 struct sis190_private *tp = netdev_priv(dev);
1134 void __iomem *ioaddr = tp->mmio_addr;
1135 u32 len, entry, dirty_tx;
1136 struct TxDesc *desc;
1139 if (unlikely(skb->len < ETH_ZLEN)) {
1140 if (skb_padto(skb, ETH_ZLEN)) {
1141 dev->stats.tx_dropped++;
1149 entry = tp->cur_tx % NUM_TX_DESC;
1150 desc = tp->TxDescRing + entry;
1152 if (unlikely(le32_to_cpu(desc->status) & OWNbit)) {
1153 netif_stop_queue(dev);
1154 net_tx_err(tp, KERN_ERR PFX
1155 "%s: BUG! Tx Ring full when queue awake!\n",
1157 return NETDEV_TX_BUSY;
1160 mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
1162 tp->Tx_skbuff[entry] = skb;
1164 desc->PSize = cpu_to_le32(len);
1165 desc->addr = cpu_to_le32(mapping);
1167 desc->size = cpu_to_le32(len);
1168 if (entry == (NUM_TX_DESC - 1))
1169 desc->size |= cpu_to_le32(RingEnd);
1173 desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
1179 SIS_W32(TxControl, 0x1a00 | CmdReset | CmdTxEnb);
1181 dev->trans_start = jiffies;
1183 dirty_tx = tp->dirty_tx;
1184 if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) {
1185 netif_stop_queue(dev);
1187 if (dirty_tx != tp->dirty_tx)
1188 netif_wake_queue(dev);
1191 return NETDEV_TX_OK;
1194 static void sis190_free_phy(struct list_head *first_phy)
1196 struct sis190_phy *cur, *next;
1198 list_for_each_entry_safe(cur, next, first_phy, list) {
1204 * sis190_default_phy - Select default PHY for sis190 mac.
1205 * @dev: the net device to probe for
1207 * Select first detected PHY with link as default.
1208 * If no one is link on, select PHY whose types is HOME as default.
1209 * If HOME doesn't exist, select LAN.
1211 static u16 sis190_default_phy(struct net_device *dev)
1213 struct sis190_phy *phy, *phy_home, *phy_default, *phy_lan;
1214 struct sis190_private *tp = netdev_priv(dev);
1215 struct mii_if_info *mii_if = &tp->mii_if;
1216 void __iomem *ioaddr = tp->mmio_addr;
1219 phy_home = phy_default = phy_lan = NULL;
1221 list_for_each_entry(phy, &tp->first_phy, list) {
1222 status = mdio_read_latched(ioaddr, phy->phy_id, MII_BMSR);
1224 // Link ON & Not select default PHY & not ghost PHY.
1225 if ((status & BMSR_LSTATUS) &&
1227 (phy->type != UNKNOWN)) {
1230 status = mdio_read(ioaddr, phy->phy_id, MII_BMCR);
1231 mdio_write(ioaddr, phy->phy_id, MII_BMCR,
1232 status | BMCR_ANENABLE | BMCR_ISOLATE);
1233 if (phy->type == HOME)
1235 else if (phy->type == LAN)
1242 phy_default = phy_home;
1244 phy_default = phy_lan;
1246 phy_default = list_entry(&tp->first_phy,
1247 struct sis190_phy, list);
1250 if (mii_if->phy_id != phy_default->phy_id) {
1251 mii_if->phy_id = phy_default->phy_id;
1252 net_probe(tp, KERN_INFO
1253 "%s: Using transceiver at address %d as default.\n",
1254 pci_name(tp->pci_dev), mii_if->phy_id);
1257 status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR);
1258 status &= (~BMCR_ISOLATE);
1260 mdio_write(ioaddr, mii_if->phy_id, MII_BMCR, status);
1261 status = mdio_read_latched(ioaddr, mii_if->phy_id, MII_BMSR);
1266 static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp,
1267 struct sis190_phy *phy, unsigned int phy_id,
1270 void __iomem *ioaddr = tp->mmio_addr;
1271 struct mii_chip_info *p;
1273 INIT_LIST_HEAD(&phy->list);
1274 phy->status = mii_status;
1275 phy->phy_id = phy_id;
1277 phy->id[0] = mdio_read(ioaddr, phy_id, MII_PHYSID1);
1278 phy->id[1] = mdio_read(ioaddr, phy_id, MII_PHYSID2);
1280 for (p = mii_chip_table; p->type; p++) {
1281 if ((p->id[0] == phy->id[0]) &&
1282 (p->id[1] == (phy->id[1] & 0xfff0))) {
1288 phy->type = (p->type == MIX) ?
1289 ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ?
1290 LAN : HOME) : p->type;
1291 tp->features |= p->feature;
1293 phy->type = UNKNOWN;
1295 net_probe(tp, KERN_INFO "%s: %s transceiver at address %d.\n",
1296 pci_name(tp->pci_dev),
1297 (phy->type == UNKNOWN) ? "Unknown PHY" : p->name, phy_id);
1300 static void sis190_mii_probe_88e1111_fixup(struct sis190_private *tp)
1302 if (tp->features & F_PHY_88E1111) {
1303 void __iomem *ioaddr = tp->mmio_addr;
1304 int phy_id = tp->mii_if.phy_id;
1310 p = (tp->features & F_HAS_RGMII) ? reg[0] : reg[1];
1312 mdio_write(ioaddr, phy_id, 0x1b, p[0]);
1314 mdio_write(ioaddr, phy_id, 0x14, p[1]);
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);
1369 sis190_mii_probe_88e1111_fixup(tp);
1372 mii_if->mdio_read = __mdio_read;
1373 mii_if->mdio_write = __mdio_write;
1374 mii_if->phy_id_mask = PHY_ID_ANY;
1375 mii_if->reg_num_mask = MII_REG_ANY;
1380 static void sis190_mii_remove(struct net_device *dev)
1382 struct sis190_private *tp = netdev_priv(dev);
1384 sis190_free_phy(&tp->first_phy);
1387 static void sis190_release_board(struct pci_dev *pdev)
1389 struct net_device *dev = pci_get_drvdata(pdev);
1390 struct sis190_private *tp = netdev_priv(dev);
1392 iounmap(tp->mmio_addr);
1393 pci_release_regions(pdev);
1394 pci_disable_device(pdev);
1398 static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev)
1400 struct sis190_private *tp;
1401 struct net_device *dev;
1402 void __iomem *ioaddr;
1405 dev = alloc_etherdev(sizeof(*tp));
1407 net_drv(&debug, KERN_ERR PFX "unable to alloc new ethernet\n");
1412 SET_NETDEV_DEV(dev, &pdev->dev);
1414 tp = netdev_priv(dev);
1416 tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT);
1418 rc = pci_enable_device(pdev);
1420 net_probe(tp, KERN_ERR "%s: enable failure\n", pci_name(pdev));
1421 goto err_free_dev_1;
1426 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1427 net_probe(tp, KERN_ERR "%s: region #0 is no MMIO resource.\n",
1429 goto err_pci_disable_2;
1431 if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) {
1432 net_probe(tp, KERN_ERR "%s: invalid PCI region size(s).\n",
1434 goto err_pci_disable_2;
1437 rc = pci_request_regions(pdev, DRV_NAME);
1439 net_probe(tp, KERN_ERR PFX "%s: could not request regions.\n",
1441 goto err_pci_disable_2;
1444 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1446 net_probe(tp, KERN_ERR "%s: DMA configuration failed.\n",
1448 goto err_free_res_3;
1451 pci_set_master(pdev);
1453 ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE);
1455 net_probe(tp, KERN_ERR "%s: cannot remap MMIO, aborting\n",
1458 goto err_free_res_3;
1462 tp->mmio_addr = ioaddr;
1464 sis190_irq_mask_and_ack(ioaddr);
1466 sis190_soft_reset(ioaddr);
1471 pci_release_regions(pdev);
1473 pci_disable_device(pdev);
1481 static void sis190_tx_timeout(struct net_device *dev)
1483 struct sis190_private *tp = netdev_priv(dev);
1484 void __iomem *ioaddr = tp->mmio_addr;
1487 /* Disable Tx, if not already */
1488 tmp8 = SIS_R8(TxControl);
1489 if (tmp8 & CmdTxEnb)
1490 SIS_W8(TxControl, tmp8 & ~CmdTxEnb);
1493 net_tx_err(tp, KERN_INFO "%s: Transmit timeout, status %08x %08x.\n",
1494 dev->name, SIS_R32(TxControl), SIS_R32(TxSts));
1496 /* Disable interrupts by clearing the interrupt mask. */
1497 SIS_W32(IntrMask, 0x0000);
1499 /* Stop a shared interrupt from scavenging while we are. */
1500 spin_lock_irq(&tp->lock);
1501 sis190_tx_clear(tp);
1502 spin_unlock_irq(&tp->lock);
1504 /* ...and finally, reset everything. */
1505 sis190_hw_start(dev);
1507 netif_wake_queue(dev);
1510 static void sis190_set_rgmii(struct sis190_private *tp, u8 reg)
1512 tp->features |= (reg & 0x80) ? F_HAS_RGMII : 0;
1515 static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
1516 struct net_device *dev)
1518 struct sis190_private *tp = netdev_priv(dev);
1519 void __iomem *ioaddr = tp->mmio_addr;
1523 net_probe(tp, KERN_INFO "%s: Read MAC address from EEPROM\n",
1526 /* Check to see if there is a sane EEPROM */
1527 sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature);
1529 if ((sig == 0xffff) || (sig == 0x0000)) {
1530 net_probe(tp, KERN_INFO "%s: Error EEPROM read %x.\n",
1531 pci_name(pdev), sig);
1535 /* Get MAC address from EEPROM */
1536 for (i = 0; i < MAC_ADDR_LEN / 2; i++) {
1537 u16 w = sis190_read_eeprom(ioaddr, EEPROMMACAddr + i);
1539 ((__le16 *)dev->dev_addr)[i] = cpu_to_le16(w);
1542 sis190_set_rgmii(tp, sis190_read_eeprom(ioaddr, EEPROMInfo));
1548 * sis190_get_mac_addr_from_apc - Get MAC address for SiS96x model
1550 * @dev: network device to get address for
1552 * SiS96x model, use APC CMOS RAM to store MAC address.
1553 * APC CMOS RAM is accessed through ISA bridge.
1554 * MAC address is read into @net_dev->dev_addr.
1556 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
1557 struct net_device *dev)
1559 static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 };
1560 struct sis190_private *tp = netdev_priv(dev);
1561 struct pci_dev *isa_bridge;
1565 net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
1568 for (i = 0; i < ARRAY_SIZE(ids); i++) {
1569 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, ids[i], NULL);
1575 net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
1580 /* Enable port 78h & 79h to access APC Registers. */
1581 pci_read_config_byte(isa_bridge, 0x48, &tmp8);
1582 reg = (tmp8 & ~0x02);
1583 pci_write_config_byte(isa_bridge, 0x48, reg);
1585 pci_read_config_byte(isa_bridge, 0x48, ®);
1587 for (i = 0; i < MAC_ADDR_LEN; i++) {
1588 outb(0x9 + i, 0x78);
1589 dev->dev_addr[i] = inb(0x79);
1595 sis190_set_rgmii(tp, reg);
1597 /* Restore the value to ISA Bridge */
1598 pci_write_config_byte(isa_bridge, 0x48, tmp8);
1599 pci_dev_put(isa_bridge);
1605 * sis190_init_rxfilter - Initialize the Rx filter
1606 * @dev: network device to initialize
1608 * Set receive filter address to our MAC address
1609 * and enable packet filtering.
1611 static inline void sis190_init_rxfilter(struct net_device *dev)
1613 struct sis190_private *tp = netdev_priv(dev);
1614 void __iomem *ioaddr = tp->mmio_addr;
1618 ctl = SIS_R16(RxMacControl);
1620 * Disable packet filtering before setting filter.
1621 * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits
1622 * only and followed by RxMacAddr (6 bytes). Strange. -- FR
1624 SIS_W16(RxMacControl, ctl & ~0x0f00);
1626 for (i = 0; i < MAC_ADDR_LEN; i++)
1627 SIS_W8(RxMacAddr + i, dev->dev_addr[i]);
1629 SIS_W16(RxMacControl, ctl);
1633 static int __devinit sis190_get_mac_addr(struct pci_dev *pdev,
1634 struct net_device *dev)
1638 rc = sis190_get_mac_addr_from_eeprom(pdev, dev);
1642 pci_read_config_byte(pdev, 0x73, ®);
1644 if (reg & 0x00000001)
1645 rc = sis190_get_mac_addr_from_apc(pdev, dev);
1650 static void sis190_set_speed_auto(struct net_device *dev)
1652 struct sis190_private *tp = netdev_priv(dev);
1653 void __iomem *ioaddr = tp->mmio_addr;
1654 int phy_id = tp->mii_if.phy_id;
1657 net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name);
1659 val = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
1661 // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0
1663 mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) |
1664 ADVERTISE_100FULL | ADVERTISE_10FULL |
1665 ADVERTISE_100HALF | ADVERTISE_10HALF);
1667 // Enable 1000 Full Mode.
1668 mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL);
1670 // Enable auto-negotiation and restart auto-negotiation.
1671 mdio_write(ioaddr, phy_id, MII_BMCR,
1672 BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET);
1675 static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1677 struct sis190_private *tp = netdev_priv(dev);
1679 return mii_ethtool_gset(&tp->mii_if, cmd);
1682 static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1684 struct sis190_private *tp = netdev_priv(dev);
1686 return mii_ethtool_sset(&tp->mii_if, cmd);
1689 static void sis190_get_drvinfo(struct net_device *dev,
1690 struct ethtool_drvinfo *info)
1692 struct sis190_private *tp = netdev_priv(dev);
1694 strcpy(info->driver, DRV_NAME);
1695 strcpy(info->version, DRV_VERSION);
1696 strcpy(info->bus_info, pci_name(tp->pci_dev));
1699 static int sis190_get_regs_len(struct net_device *dev)
1701 return SIS190_REGS_SIZE;
1704 static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1707 struct sis190_private *tp = netdev_priv(dev);
1708 unsigned long flags;
1710 if (regs->len > SIS190_REGS_SIZE)
1711 regs->len = SIS190_REGS_SIZE;
1713 spin_lock_irqsave(&tp->lock, flags);
1714 memcpy_fromio(p, tp->mmio_addr, regs->len);
1715 spin_unlock_irqrestore(&tp->lock, flags);
1718 static int sis190_nway_reset(struct net_device *dev)
1720 struct sis190_private *tp = netdev_priv(dev);
1722 return mii_nway_restart(&tp->mii_if);
1725 static u32 sis190_get_msglevel(struct net_device *dev)
1727 struct sis190_private *tp = netdev_priv(dev);
1729 return tp->msg_enable;
1732 static void sis190_set_msglevel(struct net_device *dev, u32 value)
1734 struct sis190_private *tp = netdev_priv(dev);
1736 tp->msg_enable = value;
1739 static const struct ethtool_ops sis190_ethtool_ops = {
1740 .get_settings = sis190_get_settings,
1741 .set_settings = sis190_set_settings,
1742 .get_drvinfo = sis190_get_drvinfo,
1743 .get_regs_len = sis190_get_regs_len,
1744 .get_regs = sis190_get_regs,
1745 .get_link = ethtool_op_get_link,
1746 .get_msglevel = sis190_get_msglevel,
1747 .set_msglevel = sis190_set_msglevel,
1748 .nway_reset = sis190_nway_reset,
1751 static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1753 struct sis190_private *tp = netdev_priv(dev);
1755 return !netif_running(dev) ? -EINVAL :
1756 generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);
1759 static int __devinit sis190_init_one(struct pci_dev *pdev,
1760 const struct pci_device_id *ent)
1762 static int printed_version = 0;
1763 struct sis190_private *tp;
1764 struct net_device *dev;
1765 void __iomem *ioaddr;
1767 DECLARE_MAC_BUF(mac);
1769 if (!printed_version) {
1770 net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
1771 printed_version = 1;
1774 dev = sis190_init_board(pdev);
1780 pci_set_drvdata(pdev, dev);
1782 tp = netdev_priv(dev);
1783 ioaddr = tp->mmio_addr;
1785 rc = sis190_get_mac_addr(pdev, dev);
1787 goto err_release_board;
1789 sis190_init_rxfilter(dev);
1791 INIT_WORK(&tp->phy_task, sis190_phy_task);
1793 dev->open = sis190_open;
1794 dev->stop = sis190_close;
1795 dev->do_ioctl = sis190_ioctl;
1796 dev->tx_timeout = sis190_tx_timeout;
1797 dev->watchdog_timeo = SIS190_TX_TIMEOUT;
1798 dev->hard_start_xmit = sis190_start_xmit;
1799 #ifdef CONFIG_NET_POLL_CONTROLLER
1800 dev->poll_controller = sis190_netpoll;
1802 dev->set_multicast_list = sis190_set_rx_mode;
1803 SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops);
1804 dev->irq = pdev->irq;
1805 dev->base_addr = (unsigned long) 0xdead;
1807 spin_lock_init(&tp->lock);
1809 rc = sis190_mii_probe(dev);
1811 goto err_release_board;
1813 rc = register_netdev(dev);
1815 goto err_remove_mii;
1817 net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), "
1819 pci_name(pdev), sis_chip_info[ent->driver_data].name,
1820 ioaddr, dev->irq, print_mac(mac, dev->dev_addr));
1822 net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name,
1823 (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");
1825 netif_carrier_off(dev);
1827 sis190_set_speed_auto(dev);
1832 sis190_mii_remove(dev);
1834 sis190_release_board(pdev);
1838 static void __devexit sis190_remove_one(struct pci_dev *pdev)
1840 struct net_device *dev = pci_get_drvdata(pdev);
1842 sis190_mii_remove(dev);
1843 flush_scheduled_work();
1844 unregister_netdev(dev);
1845 sis190_release_board(pdev);
1846 pci_set_drvdata(pdev, NULL);
1849 static struct pci_driver sis190_pci_driver = {
1851 .id_table = sis190_pci_tbl,
1852 .probe = sis190_init_one,
1853 .remove = __devexit_p(sis190_remove_one),
1856 static int __init sis190_init_module(void)
1858 return pci_register_driver(&sis190_pci_driver);
1861 static void __exit sis190_cleanup_module(void)
1863 pci_unregister_driver(&sis190_pci_driver);
1866 module_init(sis190_init_module);
1867 module_exit(sis190_cleanup_module);