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[] __devinitdata = {
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 = 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 (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);
851 SIS_W32(IntrControl, 0x0);
852 sis190_asic_down(ioaddr);
856 static void sis190_hw_start(struct net_device *dev)
858 struct sis190_private *tp = netdev_priv(dev);
859 void __iomem *ioaddr = tp->mmio_addr;
861 sis190_soft_reset(ioaddr);
863 SIS_W32(TxDescStartAddr, tp->tx_dma);
864 SIS_W32(RxDescStartAddr, tp->rx_dma);
866 SIS_W32(IntrStatus, 0xffffffff);
867 SIS_W32(IntrMask, 0x0);
868 SIS_W32(GMIIControl, 0x0);
869 SIS_W32(TxMacControl, 0x60);
870 SIS_W16(RxMacControl, 0x02);
871 SIS_W32(RxHashTable, 0x0);
873 SIS_W32(RxWolCtrl, 0x0);
874 SIS_W32(RxWolData, 0x0);
878 sis190_set_rx_mode(dev);
880 /* Enable all known interrupts by setting the interrupt mask. */
881 SIS_W32(IntrMask, sis190_intr_mask);
883 SIS_W32(TxControl, 0x1a00 | CmdTxEnb);
884 SIS_W32(RxControl, 0x1a1d);
886 netif_start_queue(dev);
889 static void sis190_phy_task(struct work_struct *work)
891 struct sis190_private *tp =
892 container_of(work, struct sis190_private, phy_task);
893 struct net_device *dev = tp->dev;
894 void __iomem *ioaddr = tp->mmio_addr;
895 int phy_id = tp->mii_if.phy_id;
900 if (!netif_running(dev))
903 val = mdio_read(ioaddr, phy_id, MII_BMCR);
904 if (val & BMCR_RESET) {
905 // FIXME: needlessly high ? -- FR 02/07/2005
906 mod_timer(&tp->timer, jiffies + HZ/10);
907 } else if (!(mdio_read_latched(ioaddr, phy_id, MII_BMSR) &
908 BMSR_ANEGCOMPLETE)) {
909 net_link(tp, KERN_WARNING "%s: PHY reset until link up.\n",
911 netif_carrier_off(dev);
912 mdio_write(ioaddr, phy_id, MII_BMCR, val | BMCR_RESET);
913 mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT);
921 { LPA_1000XFULL | LPA_SLCT, 0x07000c00 | 0x00001000,
922 "1000 Mbps Full Duplex" },
923 { LPA_1000XHALF | LPA_SLCT, 0x07000c00,
924 "1000 Mbps Half Duplex" },
925 { LPA_100FULL, 0x04000800 | 0x00001000,
926 "100 Mbps Full Duplex" },
927 { LPA_100HALF, 0x04000800,
928 "100 Mbps Half Duplex" },
929 { LPA_10FULL, 0x04000400 | 0x00001000,
930 "10 Mbps Full Duplex" },
931 { LPA_10HALF, 0x04000400,
932 "10 Mbps Half Duplex" },
933 { 0, 0x04000400, "unknown" }
937 val = mdio_read(ioaddr, phy_id, 0x1f);
938 net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val);
940 val = mdio_read(ioaddr, phy_id, MII_LPA);
941 adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
942 net_link(tp, KERN_INFO "%s: mii lpa = %04x adv = %04x.\n",
943 dev->name, val, adv);
947 for (p = reg31; p->val; p++) {
948 if ((val & p->val) == p->val)
952 p->ctl |= SIS_R32(StationControl) & ~0x0f001c00;
954 if ((tp->features & F_HAS_RGMII) &&
955 (tp->features & F_PHY_BCM5461)) {
956 // Set Tx Delay in RGMII mode.
957 mdio_write(ioaddr, phy_id, 0x18, 0xf1c7);
959 mdio_write(ioaddr, phy_id, 0x1c, 0x8c00);
960 p->ctl |= 0x03000000;
963 SIS_W32(StationControl, p->ctl);
965 if (tp->features & F_HAS_RGMII) {
966 SIS_W32(RGDelay, 0x0441);
967 SIS_W32(RGDelay, 0x0440);
970 net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
972 netif_carrier_on(dev);
979 static void sis190_phy_timer(unsigned long __opaque)
981 struct net_device *dev = (struct net_device *)__opaque;
982 struct sis190_private *tp = netdev_priv(dev);
984 if (likely(netif_running(dev)))
985 schedule_work(&tp->phy_task);
988 static inline void sis190_delete_timer(struct net_device *dev)
990 struct sis190_private *tp = netdev_priv(dev);
992 del_timer_sync(&tp->timer);
995 static inline void sis190_request_timer(struct net_device *dev)
997 struct sis190_private *tp = netdev_priv(dev);
998 struct timer_list *timer = &tp->timer;
1001 timer->expires = jiffies + SIS190_PHY_TIMEOUT;
1002 timer->data = (unsigned long)dev;
1003 timer->function = sis190_phy_timer;
1007 static void sis190_set_rxbufsize(struct sis190_private *tp,
1008 struct net_device *dev)
1010 unsigned int mtu = dev->mtu;
1012 tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;
1013 /* RxDesc->size has a licence to kill the lower bits */
1014 if (tp->rx_buf_sz & 0x07) {
1016 tp->rx_buf_sz &= RX_BUF_MASK;
1020 static int sis190_open(struct net_device *dev)
1022 struct sis190_private *tp = netdev_priv(dev);
1023 struct pci_dev *pdev = tp->pci_dev;
1026 sis190_set_rxbufsize(tp, dev);
1029 * Rx and Tx descriptors need 256 bytes alignment.
1030 * pci_alloc_consistent() guarantees a stronger alignment.
1032 tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma);
1033 if (!tp->TxDescRing)
1036 tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma);
1037 if (!tp->RxDescRing)
1040 rc = sis190_init_ring(dev);
1044 INIT_WORK(&tp->phy_task, sis190_phy_task);
1046 sis190_request_timer(dev);
1048 rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev);
1050 goto err_release_timer_2;
1052 sis190_hw_start(dev);
1056 err_release_timer_2:
1057 sis190_delete_timer(dev);
1058 sis190_rx_clear(tp);
1060 pci_free_consistent(tp->pci_dev, RX_RING_BYTES, tp->RxDescRing,
1063 pci_free_consistent(tp->pci_dev, TX_RING_BYTES, tp->TxDescRing,
1068 static void sis190_tx_clear(struct sis190_private *tp)
1072 for (i = 0; i < NUM_TX_DESC; i++) {
1073 struct sk_buff *skb = tp->Tx_skbuff[i];
1078 sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i);
1079 tp->Tx_skbuff[i] = NULL;
1082 tp->dev->stats.tx_dropped++;
1084 tp->cur_tx = tp->dirty_tx = 0;
1087 static void sis190_down(struct net_device *dev)
1089 struct sis190_private *tp = netdev_priv(dev);
1090 void __iomem *ioaddr = tp->mmio_addr;
1091 unsigned int poll_locked = 0;
1093 sis190_delete_timer(dev);
1095 netif_stop_queue(dev);
1098 spin_lock_irq(&tp->lock);
1100 sis190_asic_down(ioaddr);
1102 spin_unlock_irq(&tp->lock);
1104 synchronize_irq(dev->irq);
1109 synchronize_sched();
1111 } while (SIS_R32(IntrMask));
1113 sis190_tx_clear(tp);
1114 sis190_rx_clear(tp);
1117 static int sis190_close(struct net_device *dev)
1119 struct sis190_private *tp = netdev_priv(dev);
1120 struct pci_dev *pdev = tp->pci_dev;
1124 free_irq(dev->irq, dev);
1126 pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);
1127 pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);
1129 tp->TxDescRing = NULL;
1130 tp->RxDescRing = NULL;
1135 static int sis190_start_xmit(struct sk_buff *skb, struct net_device *dev)
1137 struct sis190_private *tp = netdev_priv(dev);
1138 void __iomem *ioaddr = tp->mmio_addr;
1139 u32 len, entry, dirty_tx;
1140 struct TxDesc *desc;
1143 if (unlikely(skb->len < ETH_ZLEN)) {
1144 if (skb_padto(skb, ETH_ZLEN)) {
1145 dev->stats.tx_dropped++;
1153 entry = tp->cur_tx % NUM_TX_DESC;
1154 desc = tp->TxDescRing + entry;
1156 if (unlikely(le32_to_cpu(desc->status) & OWNbit)) {
1157 netif_stop_queue(dev);
1158 net_tx_err(tp, KERN_ERR PFX
1159 "%s: BUG! Tx Ring full when queue awake!\n",
1161 return NETDEV_TX_BUSY;
1164 mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
1166 tp->Tx_skbuff[entry] = skb;
1168 desc->PSize = cpu_to_le32(len);
1169 desc->addr = cpu_to_le32(mapping);
1171 desc->size = cpu_to_le32(len);
1172 if (entry == (NUM_TX_DESC - 1))
1173 desc->size |= cpu_to_le32(RingEnd);
1177 desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
1183 SIS_W32(TxControl, 0x1a00 | CmdReset | CmdTxEnb);
1185 dev->trans_start = jiffies;
1187 dirty_tx = tp->dirty_tx;
1188 if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) {
1189 netif_stop_queue(dev);
1191 if (dirty_tx != tp->dirty_tx)
1192 netif_wake_queue(dev);
1195 return NETDEV_TX_OK;
1198 static void sis190_free_phy(struct list_head *first_phy)
1200 struct sis190_phy *cur, *next;
1202 list_for_each_entry_safe(cur, next, first_phy, list) {
1208 * sis190_default_phy - Select default PHY for sis190 mac.
1209 * @dev: the net device to probe for
1211 * Select first detected PHY with link as default.
1212 * If no one is link on, select PHY whose types is HOME as default.
1213 * If HOME doesn't exist, select LAN.
1215 static u16 sis190_default_phy(struct net_device *dev)
1217 struct sis190_phy *phy, *phy_home, *phy_default, *phy_lan;
1218 struct sis190_private *tp = netdev_priv(dev);
1219 struct mii_if_info *mii_if = &tp->mii_if;
1220 void __iomem *ioaddr = tp->mmio_addr;
1223 phy_home = phy_default = phy_lan = NULL;
1225 list_for_each_entry(phy, &tp->first_phy, list) {
1226 status = mdio_read_latched(ioaddr, phy->phy_id, MII_BMSR);
1228 // Link ON & Not select default PHY & not ghost PHY.
1229 if ((status & BMSR_LSTATUS) &&
1231 (phy->type != UNKNOWN)) {
1234 status = mdio_read(ioaddr, phy->phy_id, MII_BMCR);
1235 mdio_write(ioaddr, phy->phy_id, MII_BMCR,
1236 status | BMCR_ANENABLE | BMCR_ISOLATE);
1237 if (phy->type == HOME)
1239 else if (phy->type == LAN)
1246 phy_default = phy_home;
1248 phy_default = phy_lan;
1250 phy_default = list_entry(&tp->first_phy,
1251 struct sis190_phy, list);
1254 if (mii_if->phy_id != phy_default->phy_id) {
1255 mii_if->phy_id = phy_default->phy_id;
1256 net_probe(tp, KERN_INFO
1257 "%s: Using transceiver at address %d as default.\n",
1258 pci_name(tp->pci_dev), mii_if->phy_id);
1261 status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR);
1262 status &= (~BMCR_ISOLATE);
1264 mdio_write(ioaddr, mii_if->phy_id, MII_BMCR, status);
1265 status = mdio_read_latched(ioaddr, mii_if->phy_id, MII_BMSR);
1270 static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp,
1271 struct sis190_phy *phy, unsigned int phy_id,
1274 void __iomem *ioaddr = tp->mmio_addr;
1275 struct mii_chip_info *p;
1277 INIT_LIST_HEAD(&phy->list);
1278 phy->status = mii_status;
1279 phy->phy_id = phy_id;
1281 phy->id[0] = mdio_read(ioaddr, phy_id, MII_PHYSID1);
1282 phy->id[1] = mdio_read(ioaddr, phy_id, MII_PHYSID2);
1284 for (p = mii_chip_table; p->type; p++) {
1285 if ((p->id[0] == phy->id[0]) &&
1286 (p->id[1] == (phy->id[1] & 0xfff0))) {
1292 phy->type = (p->type == MIX) ?
1293 ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ?
1294 LAN : HOME) : p->type;
1295 tp->features |= p->feature;
1297 phy->type = UNKNOWN;
1299 net_probe(tp, KERN_INFO "%s: %s transceiver at address %d.\n",
1300 pci_name(tp->pci_dev),
1301 (phy->type == UNKNOWN) ? "Unknown PHY" : p->name, phy_id);
1304 static void sis190_mii_probe_88e1111_fixup(struct sis190_private *tp)
1306 if (tp->features & F_PHY_88E1111) {
1307 void __iomem *ioaddr = tp->mmio_addr;
1308 int phy_id = tp->mii_if.phy_id;
1314 p = (tp->features & F_HAS_RGMII) ? reg[0] : reg[1];
1316 mdio_write(ioaddr, phy_id, 0x1b, p[0]);
1318 mdio_write(ioaddr, phy_id, 0x14, p[1]);
1324 * sis190_mii_probe - Probe MII PHY for sis190
1325 * @dev: the net device to probe for
1327 * Search for total of 32 possible mii phy addresses.
1328 * Identify and set current phy if found one,
1329 * return error if it failed to found.
1331 static int __devinit sis190_mii_probe(struct net_device *dev)
1333 struct sis190_private *tp = netdev_priv(dev);
1334 struct mii_if_info *mii_if = &tp->mii_if;
1335 void __iomem *ioaddr = tp->mmio_addr;
1339 INIT_LIST_HEAD(&tp->first_phy);
1341 for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
1342 struct sis190_phy *phy;
1345 status = mdio_read_latched(ioaddr, phy_id, MII_BMSR);
1347 // Try next mii if the current one is not accessible.
1348 if (status == 0xffff || status == 0x0000)
1351 phy = kmalloc(sizeof(*phy), GFP_KERNEL);
1353 sis190_free_phy(&tp->first_phy);
1358 sis190_init_phy(dev, tp, phy, phy_id, status);
1360 list_add(&tp->first_phy, &phy->list);
1363 if (list_empty(&tp->first_phy)) {
1364 net_probe(tp, KERN_INFO "%s: No MII transceivers found!\n",
1365 pci_name(tp->pci_dev));
1370 /* Select default PHY for mac */
1371 sis190_default_phy(dev);
1373 sis190_mii_probe_88e1111_fixup(tp);
1376 mii_if->mdio_read = __mdio_read;
1377 mii_if->mdio_write = __mdio_write;
1378 mii_if->phy_id_mask = PHY_ID_ANY;
1379 mii_if->reg_num_mask = MII_REG_ANY;
1384 static void __devexit sis190_mii_remove(struct net_device *dev)
1386 struct sis190_private *tp = netdev_priv(dev);
1388 sis190_free_phy(&tp->first_phy);
1391 static void sis190_release_board(struct pci_dev *pdev)
1393 struct net_device *dev = pci_get_drvdata(pdev);
1394 struct sis190_private *tp = netdev_priv(dev);
1396 iounmap(tp->mmio_addr);
1397 pci_release_regions(pdev);
1398 pci_disable_device(pdev);
1402 static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev)
1404 struct sis190_private *tp;
1405 struct net_device *dev;
1406 void __iomem *ioaddr;
1409 dev = alloc_etherdev(sizeof(*tp));
1411 net_drv(&debug, KERN_ERR PFX "unable to alloc new ethernet\n");
1416 SET_NETDEV_DEV(dev, &pdev->dev);
1418 tp = netdev_priv(dev);
1420 tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT);
1422 rc = pci_enable_device(pdev);
1424 net_probe(tp, KERN_ERR "%s: enable failure\n", pci_name(pdev));
1425 goto err_free_dev_1;
1430 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1431 net_probe(tp, KERN_ERR "%s: region #0 is no MMIO resource.\n",
1433 goto err_pci_disable_2;
1435 if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) {
1436 net_probe(tp, KERN_ERR "%s: invalid PCI region size(s).\n",
1438 goto err_pci_disable_2;
1441 rc = pci_request_regions(pdev, DRV_NAME);
1443 net_probe(tp, KERN_ERR PFX "%s: could not request regions.\n",
1445 goto err_pci_disable_2;
1448 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1450 net_probe(tp, KERN_ERR "%s: DMA configuration failed.\n",
1452 goto err_free_res_3;
1455 pci_set_master(pdev);
1457 ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE);
1459 net_probe(tp, KERN_ERR "%s: cannot remap MMIO, aborting\n",
1462 goto err_free_res_3;
1466 tp->mmio_addr = ioaddr;
1468 sis190_irq_mask_and_ack(ioaddr);
1470 sis190_soft_reset(ioaddr);
1475 pci_release_regions(pdev);
1477 pci_disable_device(pdev);
1485 static void sis190_tx_timeout(struct net_device *dev)
1487 struct sis190_private *tp = netdev_priv(dev);
1488 void __iomem *ioaddr = tp->mmio_addr;
1491 /* Disable Tx, if not already */
1492 tmp8 = SIS_R8(TxControl);
1493 if (tmp8 & CmdTxEnb)
1494 SIS_W8(TxControl, tmp8 & ~CmdTxEnb);
1497 net_tx_err(tp, KERN_INFO "%s: Transmit timeout, status %08x %08x.\n",
1498 dev->name, SIS_R32(TxControl), SIS_R32(TxSts));
1500 /* Disable interrupts by clearing the interrupt mask. */
1501 SIS_W32(IntrMask, 0x0000);
1503 /* Stop a shared interrupt from scavenging while we are. */
1504 spin_lock_irq(&tp->lock);
1505 sis190_tx_clear(tp);
1506 spin_unlock_irq(&tp->lock);
1508 /* ...and finally, reset everything. */
1509 sis190_hw_start(dev);
1511 netif_wake_queue(dev);
1514 static void sis190_set_rgmii(struct sis190_private *tp, u8 reg)
1516 tp->features |= (reg & 0x80) ? F_HAS_RGMII : 0;
1519 static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
1520 struct net_device *dev)
1522 struct sis190_private *tp = netdev_priv(dev);
1523 void __iomem *ioaddr = tp->mmio_addr;
1527 net_probe(tp, KERN_INFO "%s: Read MAC address from EEPROM\n",
1530 /* Check to see if there is a sane EEPROM */
1531 sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature);
1533 if ((sig == 0xffff) || (sig == 0x0000)) {
1534 net_probe(tp, KERN_INFO "%s: Error EEPROM read %x.\n",
1535 pci_name(pdev), sig);
1539 /* Get MAC address from EEPROM */
1540 for (i = 0; i < MAC_ADDR_LEN / 2; i++) {
1541 __le16 w = sis190_read_eeprom(ioaddr, EEPROMMACAddr + i);
1543 ((u16 *)dev->dev_addr)[i] = le16_to_cpu(w);
1546 sis190_set_rgmii(tp, sis190_read_eeprom(ioaddr, EEPROMInfo));
1552 * sis190_get_mac_addr_from_apc - Get MAC address for SiS965 model
1554 * @dev: network device to get address for
1556 * SiS965 model, use APC CMOS RAM to store MAC address.
1557 * APC CMOS RAM is accessed through ISA bridge.
1558 * MAC address is read into @net_dev->dev_addr.
1560 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
1561 struct net_device *dev)
1563 struct sis190_private *tp = netdev_priv(dev);
1564 struct pci_dev *isa_bridge;
1568 net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
1571 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0965, NULL);
1573 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0966, NULL);
1576 net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
1581 /* Enable port 78h & 79h to access APC Registers. */
1582 pci_read_config_byte(isa_bridge, 0x48, &tmp8);
1583 reg = (tmp8 & ~0x02);
1584 pci_write_config_byte(isa_bridge, 0x48, reg);
1586 pci_read_config_byte(isa_bridge, 0x48, ®);
1588 for (i = 0; i < MAC_ADDR_LEN; i++) {
1589 outb(0x9 + i, 0x78);
1590 dev->dev_addr[i] = inb(0x79);
1596 sis190_set_rgmii(tp, reg);
1598 /* Restore the value to ISA Bridge */
1599 pci_write_config_byte(isa_bridge, 0x48, tmp8);
1600 pci_dev_put(isa_bridge);
1606 * sis190_init_rxfilter - Initialize the Rx filter
1607 * @dev: network device to initialize
1609 * Set receive filter address to our MAC address
1610 * and enable packet filtering.
1612 static inline void sis190_init_rxfilter(struct net_device *dev)
1614 struct sis190_private *tp = netdev_priv(dev);
1615 void __iomem *ioaddr = tp->mmio_addr;
1619 ctl = SIS_R16(RxMacControl);
1621 * Disable packet filtering before setting filter.
1622 * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits
1623 * only and followed by RxMacAddr (6 bytes). Strange. -- FR
1625 SIS_W16(RxMacControl, ctl & ~0x0f00);
1627 for (i = 0; i < MAC_ADDR_LEN; i++)
1628 SIS_W8(RxMacAddr + i, dev->dev_addr[i]);
1630 SIS_W16(RxMacControl, ctl);
1634 static int sis190_get_mac_addr(struct pci_dev *pdev, struct net_device *dev)
1638 pci_read_config_byte(pdev, 0x73, &from);
1640 return (from & 0x00000001) ?
1641 sis190_get_mac_addr_from_apc(pdev, dev) :
1642 sis190_get_mac_addr_from_eeprom(pdev, dev);
1645 static void sis190_set_speed_auto(struct net_device *dev)
1647 struct sis190_private *tp = netdev_priv(dev);
1648 void __iomem *ioaddr = tp->mmio_addr;
1649 int phy_id = tp->mii_if.phy_id;
1652 net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name);
1654 val = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
1656 // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0
1658 mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) |
1659 ADVERTISE_100FULL | ADVERTISE_10FULL |
1660 ADVERTISE_100HALF | ADVERTISE_10HALF);
1662 // Enable 1000 Full Mode.
1663 mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL);
1665 // Enable auto-negotiation and restart auto-negotiation.
1666 mdio_write(ioaddr, phy_id, MII_BMCR,
1667 BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET);
1670 static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1672 struct sis190_private *tp = netdev_priv(dev);
1674 return mii_ethtool_gset(&tp->mii_if, cmd);
1677 static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1679 struct sis190_private *tp = netdev_priv(dev);
1681 return mii_ethtool_sset(&tp->mii_if, cmd);
1684 static void sis190_get_drvinfo(struct net_device *dev,
1685 struct ethtool_drvinfo *info)
1687 struct sis190_private *tp = netdev_priv(dev);
1689 strcpy(info->driver, DRV_NAME);
1690 strcpy(info->version, DRV_VERSION);
1691 strcpy(info->bus_info, pci_name(tp->pci_dev));
1694 static int sis190_get_regs_len(struct net_device *dev)
1696 return SIS190_REGS_SIZE;
1699 static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1702 struct sis190_private *tp = netdev_priv(dev);
1703 unsigned long flags;
1705 if (regs->len > SIS190_REGS_SIZE)
1706 regs->len = SIS190_REGS_SIZE;
1708 spin_lock_irqsave(&tp->lock, flags);
1709 memcpy_fromio(p, tp->mmio_addr, regs->len);
1710 spin_unlock_irqrestore(&tp->lock, flags);
1713 static int sis190_nway_reset(struct net_device *dev)
1715 struct sis190_private *tp = netdev_priv(dev);
1717 return mii_nway_restart(&tp->mii_if);
1720 static u32 sis190_get_msglevel(struct net_device *dev)
1722 struct sis190_private *tp = netdev_priv(dev);
1724 return tp->msg_enable;
1727 static void sis190_set_msglevel(struct net_device *dev, u32 value)
1729 struct sis190_private *tp = netdev_priv(dev);
1731 tp->msg_enable = value;
1734 static const struct ethtool_ops sis190_ethtool_ops = {
1735 .get_settings = sis190_get_settings,
1736 .set_settings = sis190_set_settings,
1737 .get_drvinfo = sis190_get_drvinfo,
1738 .get_regs_len = sis190_get_regs_len,
1739 .get_regs = sis190_get_regs,
1740 .get_link = ethtool_op_get_link,
1741 .get_msglevel = sis190_get_msglevel,
1742 .set_msglevel = sis190_set_msglevel,
1743 .nway_reset = sis190_nway_reset,
1746 static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1748 struct sis190_private *tp = netdev_priv(dev);
1750 return !netif_running(dev) ? -EINVAL :
1751 generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);
1754 static int __devinit sis190_init_one(struct pci_dev *pdev,
1755 const struct pci_device_id *ent)
1757 static int printed_version = 0;
1758 struct sis190_private *tp;
1759 struct net_device *dev;
1760 void __iomem *ioaddr;
1762 DECLARE_MAC_BUF(mac);
1764 if (!printed_version) {
1765 net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
1766 printed_version = 1;
1769 dev = sis190_init_board(pdev);
1775 pci_set_drvdata(pdev, dev);
1777 tp = netdev_priv(dev);
1778 ioaddr = tp->mmio_addr;
1780 rc = sis190_get_mac_addr(pdev, dev);
1782 goto err_release_board;
1784 sis190_init_rxfilter(dev);
1786 INIT_WORK(&tp->phy_task, sis190_phy_task);
1788 dev->open = sis190_open;
1789 dev->stop = sis190_close;
1790 dev->do_ioctl = sis190_ioctl;
1791 dev->tx_timeout = sis190_tx_timeout;
1792 dev->watchdog_timeo = SIS190_TX_TIMEOUT;
1793 dev->hard_start_xmit = sis190_start_xmit;
1794 #ifdef CONFIG_NET_POLL_CONTROLLER
1795 dev->poll_controller = sis190_netpoll;
1797 dev->set_multicast_list = sis190_set_rx_mode;
1798 SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops);
1799 dev->irq = pdev->irq;
1800 dev->base_addr = (unsigned long) 0xdead;
1802 spin_lock_init(&tp->lock);
1804 rc = sis190_mii_probe(dev);
1806 goto err_release_board;
1808 rc = register_netdev(dev);
1810 goto err_remove_mii;
1812 net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), "
1814 pci_name(pdev), sis_chip_info[ent->driver_data].name,
1815 ioaddr, dev->irq, print_mac(mac, dev->dev_addr));
1817 net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name,
1818 (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");
1820 netif_carrier_off(dev);
1822 sis190_set_speed_auto(dev);
1827 sis190_mii_remove(dev);
1829 sis190_release_board(pdev);
1833 static void __devexit sis190_remove_one(struct pci_dev *pdev)
1835 struct net_device *dev = pci_get_drvdata(pdev);
1837 sis190_mii_remove(dev);
1838 flush_scheduled_work();
1839 unregister_netdev(dev);
1840 sis190_release_board(pdev);
1841 pci_set_drvdata(pdev, NULL);
1844 static struct pci_driver sis190_pci_driver = {
1846 .id_table = sis190_pci_tbl,
1847 .probe = sis190_init_one,
1848 .remove = __devexit_p(sis190_remove_one),
1851 static int __init sis190_init_module(void)
1853 return pci_register_driver(&sis190_pci_driver);
1856 static void __exit sis190_cleanup_module(void)
1858 pci_unregister_driver(&sis190_pci_driver);
1861 module_init(sis190_init_module);
1862 module_exit(sis190_cleanup_module);