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 */
182 LinkStatus = 0x02, // unused
183 FullDup = 0x01, // unused
186 TBILinkOK = 0x02000000, // unused
203 enum _DescStatusBit {
205 OWNbit = 0x80000000, // RXOWN/TXOWN
206 INTbit = 0x40000000, // RXINT/TXINT
207 CRCbit = 0x00020000, // CRCOFF/CRCEN
208 PADbit = 0x00010000, // PREADD/PADEN
210 RingEnd = 0x80000000,
212 LSEN = 0x08000000, // TSO ? -- FR
239 RxDescCountMask = 0x7f000000, // multi-desc pkt when > 1 ? -- FR
248 RxSizeMask = 0x0000ffff
250 * The asic could apparently do vlan, TSO, jumbo (sis191 only) and
251 * provide two (unused with Linux) Tx queues. No publically
252 * available documentation alas.
256 enum sis190_eeprom_access_register_bits {
257 EECS = 0x00000001, // unused
258 EECLK = 0x00000002, // unused
259 EEDO = 0x00000008, // unused
260 EEDI = 0x00000004, // unused
263 EEWOP = 0x00000100 // unused
266 /* EEPROM Addresses */
267 enum sis190_eeprom_address {
268 EEPROMSignature = 0x00,
269 EEPROMCLK = 0x01, // unused
274 enum sis190_feature {
280 struct sis190_private {
281 void __iomem *mmio_addr;
282 struct pci_dev *pci_dev;
283 struct net_device *dev;
284 struct net_device_stats stats;
293 struct RxDesc *RxDescRing;
294 struct TxDesc *TxDescRing;
295 struct sk_buff *Rx_skbuff[NUM_RX_DESC];
296 struct sk_buff *Tx_skbuff[NUM_TX_DESC];
297 struct work_struct phy_task;
298 struct timer_list timer;
300 struct mii_if_info mii_if;
301 struct list_head first_phy;
306 struct list_head list;
313 enum sis190_phy_type {
320 static struct mii_chip_info {
325 } mii_chip_table[] = {
326 { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 },
327 { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 },
328 { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 },
329 { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 },
333 static const struct {
335 } sis_chip_info[] = {
336 { "SiS 190 PCI Fast Ethernet adapter" },
337 { "SiS 191 PCI Gigabit Ethernet adapter" },
340 static struct pci_device_id sis190_pci_tbl[] __devinitdata = {
341 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 },
342 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 },
346 MODULE_DEVICE_TABLE(pci, sis190_pci_tbl);
348 static int rx_copybreak = 200;
354 MODULE_DESCRIPTION("SiS sis190 Gigabit Ethernet driver");
355 module_param(rx_copybreak, int, 0);
356 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
357 module_param_named(debug, debug.msg_enable, int, 0);
358 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
359 MODULE_AUTHOR("K.M. Liu <kmliu@sis.com>, Ueimor <romieu@fr.zoreil.com>");
360 MODULE_VERSION(DRV_VERSION);
361 MODULE_LICENSE("GPL");
363 static const u32 sis190_intr_mask =
364 RxQEmpty | RxQInt | TxQ1Int | TxQ0Int | RxHalt | TxHalt | LinkChange;
367 * Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
368 * The chips use a 64 element hash table based on the Ethernet CRC.
370 static const int multicast_filter_limit = 32;
372 static void __mdio_cmd(void __iomem *ioaddr, u32 ctl)
376 SIS_W32(GMIIControl, ctl);
380 for (i = 0; i < 100; i++) {
381 if (!(SIS_R32(GMIIControl) & EhnMIInotDone))
387 printk(KERN_ERR PFX "PHY command failed !\n");
390 static void mdio_write(void __iomem *ioaddr, int phy_id, int reg, int val)
392 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIwrite |
393 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift) |
394 (((u32) val) << EhnMIIdataShift));
397 static int mdio_read(void __iomem *ioaddr, int phy_id, int reg)
399 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIread |
400 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift));
402 return (u16) (SIS_R32(GMIIControl) >> EhnMIIdataShift);
405 static void __mdio_write(struct net_device *dev, int phy_id, int reg, int val)
407 struct sis190_private *tp = netdev_priv(dev);
409 mdio_write(tp->mmio_addr, phy_id, reg, val);
412 static int __mdio_read(struct net_device *dev, int phy_id, int reg)
414 struct sis190_private *tp = netdev_priv(dev);
416 return mdio_read(tp->mmio_addr, phy_id, reg);
419 static u16 mdio_read_latched(void __iomem *ioaddr, int phy_id, int reg)
421 mdio_read(ioaddr, phy_id, reg);
422 return mdio_read(ioaddr, phy_id, reg);
425 static u16 __devinit sis190_read_eeprom(void __iomem *ioaddr, u32 reg)
430 if (!(SIS_R32(ROMControl) & 0x0002))
433 SIS_W32(ROMInterface, EEREQ | EEROP | (reg << 10));
435 for (i = 0; i < 200; i++) {
436 if (!(SIS_R32(ROMInterface) & EEREQ)) {
437 data = (SIS_R32(ROMInterface) & 0xffff0000) >> 16;
446 static void sis190_irq_mask_and_ack(void __iomem *ioaddr)
448 SIS_W32(IntrMask, 0x00);
449 SIS_W32(IntrStatus, 0xffffffff);
453 static void sis190_asic_down(void __iomem *ioaddr)
455 /* Stop the chip's Tx and Rx DMA processes. */
457 SIS_W32(TxControl, 0x1a00);
458 SIS_W32(RxControl, 0x1a00);
460 sis190_irq_mask_and_ack(ioaddr);
463 static void sis190_mark_as_last_descriptor(struct RxDesc *desc)
465 desc->size |= cpu_to_le32(RingEnd);
468 static inline void sis190_give_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
470 u32 eor = le32_to_cpu(desc->size) & RingEnd;
473 desc->size = cpu_to_le32((rx_buf_sz & RX_BUF_MASK) | eor);
475 desc->status = cpu_to_le32(OWNbit | INTbit);
478 static inline void sis190_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
481 desc->addr = cpu_to_le32(mapping);
482 sis190_give_to_asic(desc, rx_buf_sz);
485 static inline void sis190_make_unusable_by_asic(struct RxDesc *desc)
488 desc->addr = 0xdeadbeef;
489 desc->size &= cpu_to_le32(RingEnd);
494 static int sis190_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff,
495 struct RxDesc *desc, u32 rx_buf_sz)
501 skb = dev_alloc_skb(rx_buf_sz);
507 mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
510 sis190_map_to_asic(desc, mapping, rx_buf_sz);
516 sis190_make_unusable_by_asic(desc);
520 static u32 sis190_rx_fill(struct sis190_private *tp, struct net_device *dev,
525 for (cur = start; cur < end; cur++) {
526 int ret, i = cur % NUM_RX_DESC;
528 if (tp->Rx_skbuff[i])
531 ret = sis190_alloc_rx_skb(tp->pci_dev, tp->Rx_skbuff + i,
532 tp->RxDescRing + i, tp->rx_buf_sz);
539 static inline int sis190_try_rx_copy(struct sk_buff **sk_buff, int pkt_size,
540 struct RxDesc *desc, int rx_buf_sz)
544 if (pkt_size < rx_copybreak) {
547 skb = dev_alloc_skb(pkt_size + NET_IP_ALIGN);
549 skb_reserve(skb, NET_IP_ALIGN);
550 eth_copy_and_sum(skb, sk_buff[0]->data, pkt_size, 0);
552 sis190_give_to_asic(desc, rx_buf_sz);
559 static inline int sis190_rx_pkt_err(u32 status, struct net_device_stats *stats)
561 #define ErrMask (OVRUN | SHORT | LIMIT | MIIER | NIBON | COLON | ABORT)
563 if ((status & CRCOK) && !(status & ErrMask))
566 if (!(status & CRCOK))
567 stats->rx_crc_errors++;
568 else if (status & OVRUN)
569 stats->rx_over_errors++;
570 else if (status & (SHORT | LIMIT))
571 stats->rx_length_errors++;
572 else if (status & (MIIER | NIBON | COLON))
573 stats->rx_frame_errors++;
579 static int sis190_rx_interrupt(struct net_device *dev,
580 struct sis190_private *tp, void __iomem *ioaddr)
582 struct net_device_stats *stats = &tp->stats;
583 u32 rx_left, cur_rx = tp->cur_rx;
586 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
587 rx_left = sis190_rx_quota(rx_left, (u32) dev->quota);
589 for (; rx_left > 0; rx_left--, cur_rx++) {
590 unsigned int entry = cur_rx % NUM_RX_DESC;
591 struct RxDesc *desc = tp->RxDescRing + entry;
594 if (desc->status & OWNbit)
597 status = le32_to_cpu(desc->PSize);
599 // net_intr(tp, KERN_INFO "%s: Rx PSize = %08x.\n", dev->name,
602 if (sis190_rx_pkt_err(status, stats) < 0)
603 sis190_give_to_asic(desc, tp->rx_buf_sz);
605 struct sk_buff *skb = tp->Rx_skbuff[entry];
606 int pkt_size = (status & RxSizeMask) - 4;
607 void (*pci_action)(struct pci_dev *, dma_addr_t,
608 size_t, int) = pci_dma_sync_single_for_device;
610 if (unlikely(pkt_size > tp->rx_buf_sz)) {
611 net_intr(tp, KERN_INFO
612 "%s: (frag) status = %08x.\n",
615 stats->rx_length_errors++;
616 sis190_give_to_asic(desc, tp->rx_buf_sz);
620 pci_dma_sync_single_for_cpu(tp->pci_dev,
621 le32_to_cpu(desc->addr), tp->rx_buf_sz,
624 if (sis190_try_rx_copy(&skb, pkt_size, desc,
626 pci_action = pci_unmap_single;
627 tp->Rx_skbuff[entry] = NULL;
628 sis190_make_unusable_by_asic(desc);
631 pci_action(tp->pci_dev, le32_to_cpu(desc->addr),
632 tp->rx_buf_sz, PCI_DMA_FROMDEVICE);
635 skb_put(skb, pkt_size);
636 skb->protocol = eth_type_trans(skb, dev);
640 dev->last_rx = jiffies;
642 stats->rx_bytes += pkt_size;
643 if ((status & BCAST) == MCAST)
647 count = cur_rx - tp->cur_rx;
650 delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
651 if (!delta && count && netif_msg_intr(tp))
652 printk(KERN_INFO "%s: no Rx buffer allocated.\n", dev->name);
653 tp->dirty_rx += delta;
655 if (((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) && netif_msg_intr(tp))
656 printk(KERN_EMERG "%s: Rx buffers exhausted.\n", dev->name);
661 static void sis190_unmap_tx_skb(struct pci_dev *pdev, struct sk_buff *skb,
666 len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
668 pci_unmap_single(pdev, le32_to_cpu(desc->addr), len, PCI_DMA_TODEVICE);
670 memset(desc, 0x00, sizeof(*desc));
673 static void sis190_tx_interrupt(struct net_device *dev,
674 struct sis190_private *tp, void __iomem *ioaddr)
676 u32 pending, dirty_tx = tp->dirty_tx;
678 * It would not be needed if queueing was allowed to be enabled
679 * again too early (hint: think preempt and unclocked smp systems).
681 unsigned int queue_stopped;
684 pending = tp->cur_tx - dirty_tx;
685 queue_stopped = (pending == NUM_TX_DESC);
687 for (; pending; pending--, dirty_tx++) {
688 unsigned int entry = dirty_tx % NUM_TX_DESC;
689 struct TxDesc *txd = tp->TxDescRing + entry;
692 if (le32_to_cpu(txd->status) & OWNbit)
695 skb = tp->Tx_skbuff[entry];
697 tp->stats.tx_packets++;
698 tp->stats.tx_bytes += skb->len;
700 sis190_unmap_tx_skb(tp->pci_dev, skb, txd);
701 tp->Tx_skbuff[entry] = NULL;
702 dev_kfree_skb_irq(skb);
705 if (tp->dirty_tx != dirty_tx) {
706 tp->dirty_tx = dirty_tx;
709 netif_wake_queue(dev);
714 * The interrupt handler does all of the Rx thread work and cleans up after
717 static irqreturn_t sis190_interrupt(int irq, void *__dev)
719 struct net_device *dev = __dev;
720 struct sis190_private *tp = netdev_priv(dev);
721 void __iomem *ioaddr = tp->mmio_addr;
722 unsigned int handled = 0;
725 status = SIS_R32(IntrStatus);
727 if ((status == 0xffffffff) || !status)
732 if (unlikely(!netif_running(dev))) {
733 sis190_asic_down(ioaddr);
737 SIS_W32(IntrStatus, status);
739 // net_intr(tp, KERN_INFO "%s: status = %08x.\n", dev->name, status);
741 if (status & LinkChange) {
742 net_intr(tp, KERN_INFO "%s: link change.\n", dev->name);
743 schedule_work(&tp->phy_task);
747 sis190_rx_interrupt(dev, tp, ioaddr);
749 if (status & TxQ0Int)
750 sis190_tx_interrupt(dev, tp, ioaddr);
752 return IRQ_RETVAL(handled);
755 #ifdef CONFIG_NET_POLL_CONTROLLER
756 static void sis190_netpoll(struct net_device *dev)
758 struct sis190_private *tp = netdev_priv(dev);
759 struct pci_dev *pdev = tp->pci_dev;
761 disable_irq(pdev->irq);
762 sis190_interrupt(pdev->irq, dev);
763 enable_irq(pdev->irq);
767 static void sis190_free_rx_skb(struct sis190_private *tp,
768 struct sk_buff **sk_buff, struct RxDesc *desc)
770 struct pci_dev *pdev = tp->pci_dev;
772 pci_unmap_single(pdev, le32_to_cpu(desc->addr), tp->rx_buf_sz,
774 dev_kfree_skb(*sk_buff);
776 sis190_make_unusable_by_asic(desc);
779 static void sis190_rx_clear(struct sis190_private *tp)
783 for (i = 0; i < NUM_RX_DESC; i++) {
784 if (!tp->Rx_skbuff[i])
786 sis190_free_rx_skb(tp, tp->Rx_skbuff + i, tp->RxDescRing + i);
790 static void sis190_init_ring_indexes(struct sis190_private *tp)
792 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
795 static int sis190_init_ring(struct net_device *dev)
797 struct sis190_private *tp = netdev_priv(dev);
799 sis190_init_ring_indexes(tp);
801 memset(tp->Tx_skbuff, 0x0, NUM_TX_DESC * sizeof(struct sk_buff *));
802 memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));
804 if (sis190_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)
807 sis190_mark_as_last_descriptor(tp->RxDescRing + NUM_RX_DESC - 1);
816 static void sis190_set_rx_mode(struct net_device *dev)
818 struct sis190_private *tp = netdev_priv(dev);
819 void __iomem *ioaddr = tp->mmio_addr;
821 u32 mc_filter[2]; /* Multicast hash filter */
824 if (dev->flags & IFF_PROMISC) {
826 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
828 mc_filter[1] = mc_filter[0] = 0xffffffff;
829 } else if ((dev->mc_count > multicast_filter_limit) ||
830 (dev->flags & IFF_ALLMULTI)) {
831 /* Too many to filter perfectly -- accept all multicasts. */
832 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
833 mc_filter[1] = mc_filter[0] = 0xffffffff;
835 struct dev_mc_list *mclist;
838 rx_mode = AcceptBroadcast | AcceptMyPhys;
839 mc_filter[1] = mc_filter[0] = 0;
840 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
841 i++, mclist = mclist->next) {
843 ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f;
844 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
845 rx_mode |= AcceptMulticast;
849 spin_lock_irqsave(&tp->lock, flags);
851 SIS_W16(RxMacControl, rx_mode | 0x2);
852 SIS_W32(RxHashTable, mc_filter[0]);
853 SIS_W32(RxHashTable + 4, mc_filter[1]);
855 spin_unlock_irqrestore(&tp->lock, flags);
858 static void sis190_soft_reset(void __iomem *ioaddr)
860 SIS_W32(IntrControl, 0x8000);
863 SIS_W32(IntrControl, 0x0);
864 sis190_asic_down(ioaddr);
868 static void sis190_hw_start(struct net_device *dev)
870 struct sis190_private *tp = netdev_priv(dev);
871 void __iomem *ioaddr = tp->mmio_addr;
873 sis190_soft_reset(ioaddr);
875 SIS_W32(TxDescStartAddr, tp->tx_dma);
876 SIS_W32(RxDescStartAddr, tp->rx_dma);
878 SIS_W32(IntrStatus, 0xffffffff);
879 SIS_W32(IntrMask, 0x0);
880 SIS_W32(GMIIControl, 0x0);
881 SIS_W32(TxMacControl, 0x60);
882 SIS_W16(RxMacControl, 0x02);
883 SIS_W32(RxHashTable, 0x0);
885 SIS_W32(RxWolCtrl, 0x0);
886 SIS_W32(RxWolData, 0x0);
890 sis190_set_rx_mode(dev);
892 /* Enable all known interrupts by setting the interrupt mask. */
893 SIS_W32(IntrMask, sis190_intr_mask);
895 SIS_W32(TxControl, 0x1a00 | CmdTxEnb);
896 SIS_W32(RxControl, 0x1a1d);
898 netif_start_queue(dev);
901 static void sis190_phy_task(struct work_struct *work)
903 struct sis190_private *tp =
904 container_of(work, struct sis190_private, phy_task);
905 struct net_device *dev = tp->dev;
906 void __iomem *ioaddr = tp->mmio_addr;
907 int phy_id = tp->mii_if.phy_id;
912 if (!netif_running(dev))
915 val = mdio_read(ioaddr, phy_id, MII_BMCR);
916 if (val & BMCR_RESET) {
917 // FIXME: needlessly high ? -- FR 02/07/2005
918 mod_timer(&tp->timer, jiffies + HZ/10);
919 } else if (!(mdio_read_latched(ioaddr, phy_id, MII_BMSR) &
920 BMSR_ANEGCOMPLETE)) {
921 net_link(tp, KERN_WARNING "%s: PHY reset until link up.\n",
923 netif_carrier_off(dev);
924 mdio_write(ioaddr, phy_id, MII_BMCR, val | BMCR_RESET);
925 mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT);
933 { LPA_1000XFULL | LPA_SLCT, 0x07000c00 | 0x00001000,
934 "1000 Mbps Full Duplex" },
935 { LPA_1000XHALF | LPA_SLCT, 0x07000c00,
936 "1000 Mbps Half Duplex" },
937 { LPA_100FULL, 0x04000800 | 0x00001000,
938 "100 Mbps Full Duplex" },
939 { LPA_100HALF, 0x04000800,
940 "100 Mbps Half Duplex" },
941 { LPA_10FULL, 0x04000400 | 0x00001000,
942 "10 Mbps Full Duplex" },
943 { LPA_10HALF, 0x04000400,
944 "10 Mbps Half Duplex" },
945 { 0, 0x04000400, "unknown" }
949 val = mdio_read(ioaddr, phy_id, 0x1f);
950 net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val);
952 val = mdio_read(ioaddr, phy_id, MII_LPA);
953 adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
954 net_link(tp, KERN_INFO "%s: mii lpa = %04x adv = %04x.\n",
955 dev->name, val, adv);
959 for (p = reg31; p->val; p++) {
960 if ((val & p->val) == p->val)
964 p->ctl |= SIS_R32(StationControl) & ~0x0f001c00;
966 if ((tp->features & F_HAS_RGMII) &&
967 (tp->features & F_PHY_BCM5461)) {
968 // Set Tx Delay in RGMII mode.
969 mdio_write(ioaddr, phy_id, 0x18, 0xf1c7);
971 mdio_write(ioaddr, phy_id, 0x1c, 0x8c00);
972 p->ctl |= 0x03000000;
975 SIS_W32(StationControl, p->ctl);
977 if (tp->features & F_HAS_RGMII) {
978 SIS_W32(RGDelay, 0x0441);
979 SIS_W32(RGDelay, 0x0440);
982 net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name,
984 netif_carrier_on(dev);
991 static void sis190_phy_timer(unsigned long __opaque)
993 struct net_device *dev = (struct net_device *)__opaque;
994 struct sis190_private *tp = netdev_priv(dev);
996 if (likely(netif_running(dev)))
997 schedule_work(&tp->phy_task);
1000 static inline void sis190_delete_timer(struct net_device *dev)
1002 struct sis190_private *tp = netdev_priv(dev);
1004 del_timer_sync(&tp->timer);
1007 static inline void sis190_request_timer(struct net_device *dev)
1009 struct sis190_private *tp = netdev_priv(dev);
1010 struct timer_list *timer = &tp->timer;
1013 timer->expires = jiffies + SIS190_PHY_TIMEOUT;
1014 timer->data = (unsigned long)dev;
1015 timer->function = sis190_phy_timer;
1019 static void sis190_set_rxbufsize(struct sis190_private *tp,
1020 struct net_device *dev)
1022 unsigned int mtu = dev->mtu;
1024 tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;
1025 /* RxDesc->size has a licence to kill the lower bits */
1026 if (tp->rx_buf_sz & 0x07) {
1028 tp->rx_buf_sz &= RX_BUF_MASK;
1032 static int sis190_open(struct net_device *dev)
1034 struct sis190_private *tp = netdev_priv(dev);
1035 struct pci_dev *pdev = tp->pci_dev;
1038 sis190_set_rxbufsize(tp, dev);
1041 * Rx and Tx descriptors need 256 bytes alignment.
1042 * pci_alloc_consistent() guarantees a stronger alignment.
1044 tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma);
1045 if (!tp->TxDescRing)
1048 tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma);
1049 if (!tp->RxDescRing)
1052 rc = sis190_init_ring(dev);
1056 INIT_WORK(&tp->phy_task, sis190_phy_task);
1058 sis190_request_timer(dev);
1060 rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev);
1062 goto err_release_timer_2;
1064 sis190_hw_start(dev);
1068 err_release_timer_2:
1069 sis190_delete_timer(dev);
1070 sis190_rx_clear(tp);
1072 pci_free_consistent(tp->pci_dev, RX_RING_BYTES, tp->RxDescRing,
1075 pci_free_consistent(tp->pci_dev, TX_RING_BYTES, tp->TxDescRing,
1080 static void sis190_tx_clear(struct sis190_private *tp)
1084 for (i = 0; i < NUM_TX_DESC; i++) {
1085 struct sk_buff *skb = tp->Tx_skbuff[i];
1090 sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i);
1091 tp->Tx_skbuff[i] = NULL;
1094 tp->stats.tx_dropped++;
1096 tp->cur_tx = tp->dirty_tx = 0;
1099 static void sis190_down(struct net_device *dev)
1101 struct sis190_private *tp = netdev_priv(dev);
1102 void __iomem *ioaddr = tp->mmio_addr;
1103 unsigned int poll_locked = 0;
1105 sis190_delete_timer(dev);
1107 netif_stop_queue(dev);
1110 spin_lock_irq(&tp->lock);
1112 sis190_asic_down(ioaddr);
1114 spin_unlock_irq(&tp->lock);
1116 synchronize_irq(dev->irq);
1119 netif_poll_disable(dev);
1123 synchronize_sched();
1125 } while (SIS_R32(IntrMask));
1127 sis190_tx_clear(tp);
1128 sis190_rx_clear(tp);
1131 static int sis190_close(struct net_device *dev)
1133 struct sis190_private *tp = netdev_priv(dev);
1134 struct pci_dev *pdev = tp->pci_dev;
1138 free_irq(dev->irq, dev);
1140 netif_poll_enable(dev);
1142 pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);
1143 pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);
1145 tp->TxDescRing = NULL;
1146 tp->RxDescRing = NULL;
1151 static int sis190_start_xmit(struct sk_buff *skb, struct net_device *dev)
1153 struct sis190_private *tp = netdev_priv(dev);
1154 void __iomem *ioaddr = tp->mmio_addr;
1155 u32 len, entry, dirty_tx;
1156 struct TxDesc *desc;
1159 if (unlikely(skb->len < ETH_ZLEN)) {
1160 if (skb_padto(skb, ETH_ZLEN)) {
1161 tp->stats.tx_dropped++;
1169 entry = tp->cur_tx % NUM_TX_DESC;
1170 desc = tp->TxDescRing + entry;
1172 if (unlikely(le32_to_cpu(desc->status) & OWNbit)) {
1173 netif_stop_queue(dev);
1174 net_tx_err(tp, KERN_ERR PFX
1175 "%s: BUG! Tx Ring full when queue awake!\n",
1177 return NETDEV_TX_BUSY;
1180 mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
1182 tp->Tx_skbuff[entry] = skb;
1184 desc->PSize = cpu_to_le32(len);
1185 desc->addr = cpu_to_le32(mapping);
1187 desc->size = cpu_to_le32(len);
1188 if (entry == (NUM_TX_DESC - 1))
1189 desc->size |= cpu_to_le32(RingEnd);
1193 desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit);
1199 SIS_W32(TxControl, 0x1a00 | CmdReset | CmdTxEnb);
1201 dev->trans_start = jiffies;
1203 dirty_tx = tp->dirty_tx;
1204 if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) {
1205 netif_stop_queue(dev);
1207 if (dirty_tx != tp->dirty_tx)
1208 netif_wake_queue(dev);
1211 return NETDEV_TX_OK;
1214 static struct net_device_stats *sis190_get_stats(struct net_device *dev)
1216 struct sis190_private *tp = netdev_priv(dev);
1221 static void sis190_free_phy(struct list_head *first_phy)
1223 struct sis190_phy *cur, *next;
1225 list_for_each_entry_safe(cur, next, first_phy, list) {
1231 * sis190_default_phy - Select default PHY for sis190 mac.
1232 * @dev: the net device to probe for
1234 * Select first detected PHY with link as default.
1235 * If no one is link on, select PHY whose types is HOME as default.
1236 * If HOME doesn't exist, select LAN.
1238 static u16 sis190_default_phy(struct net_device *dev)
1240 struct sis190_phy *phy, *phy_home, *phy_default, *phy_lan;
1241 struct sis190_private *tp = netdev_priv(dev);
1242 struct mii_if_info *mii_if = &tp->mii_if;
1243 void __iomem *ioaddr = tp->mmio_addr;
1246 phy_home = phy_default = phy_lan = NULL;
1248 list_for_each_entry(phy, &tp->first_phy, list) {
1249 status = mdio_read_latched(ioaddr, phy->phy_id, MII_BMSR);
1251 // Link ON & Not select default PHY & not ghost PHY.
1252 if ((status & BMSR_LSTATUS) &&
1254 (phy->type != UNKNOWN)) {
1257 status = mdio_read(ioaddr, phy->phy_id, MII_BMCR);
1258 mdio_write(ioaddr, phy->phy_id, MII_BMCR,
1259 status | BMCR_ANENABLE | BMCR_ISOLATE);
1260 if (phy->type == HOME)
1262 else if (phy->type == LAN)
1269 phy_default = phy_home;
1271 phy_default = phy_lan;
1273 phy_default = list_entry(&tp->first_phy,
1274 struct sis190_phy, list);
1277 if (mii_if->phy_id != phy_default->phy_id) {
1278 mii_if->phy_id = phy_default->phy_id;
1279 net_probe(tp, KERN_INFO
1280 "%s: Using transceiver at address %d as default.\n",
1281 pci_name(tp->pci_dev), mii_if->phy_id);
1284 status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR);
1285 status &= (~BMCR_ISOLATE);
1287 mdio_write(ioaddr, mii_if->phy_id, MII_BMCR, status);
1288 status = mdio_read_latched(ioaddr, mii_if->phy_id, MII_BMSR);
1293 static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp,
1294 struct sis190_phy *phy, unsigned int phy_id,
1297 void __iomem *ioaddr = tp->mmio_addr;
1298 struct mii_chip_info *p;
1300 INIT_LIST_HEAD(&phy->list);
1301 phy->status = mii_status;
1302 phy->phy_id = phy_id;
1304 phy->id[0] = mdio_read(ioaddr, phy_id, MII_PHYSID1);
1305 phy->id[1] = mdio_read(ioaddr, phy_id, MII_PHYSID2);
1307 for (p = mii_chip_table; p->type; p++) {
1308 if ((p->id[0] == phy->id[0]) &&
1309 (p->id[1] == (phy->id[1] & 0xfff0))) {
1315 phy->type = (p->type == MIX) ?
1316 ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ?
1317 LAN : HOME) : p->type;
1318 tp->features |= p->feature;
1320 phy->type = UNKNOWN;
1322 net_probe(tp, KERN_INFO "%s: %s transceiver at address %d.\n",
1323 pci_name(tp->pci_dev),
1324 (phy->type == UNKNOWN) ? "Unknown PHY" : p->name, phy_id);
1327 static void sis190_mii_probe_88e1111_fixup(struct sis190_private *tp)
1329 if (tp->features & F_PHY_88E1111) {
1330 void __iomem *ioaddr = tp->mmio_addr;
1331 int phy_id = tp->mii_if.phy_id;
1337 p = (tp->features & F_HAS_RGMII) ? reg[0] : reg[1];
1339 mdio_write(ioaddr, phy_id, 0x1b, p[0]);
1341 mdio_write(ioaddr, phy_id, 0x14, p[1]);
1347 * sis190_mii_probe - Probe MII PHY for sis190
1348 * @dev: the net device to probe for
1350 * Search for total of 32 possible mii phy addresses.
1351 * Identify and set current phy if found one,
1352 * return error if it failed to found.
1354 static int __devinit sis190_mii_probe(struct net_device *dev)
1356 struct sis190_private *tp = netdev_priv(dev);
1357 struct mii_if_info *mii_if = &tp->mii_if;
1358 void __iomem *ioaddr = tp->mmio_addr;
1362 INIT_LIST_HEAD(&tp->first_phy);
1364 for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
1365 struct sis190_phy *phy;
1368 status = mdio_read_latched(ioaddr, phy_id, MII_BMSR);
1370 // Try next mii if the current one is not accessible.
1371 if (status == 0xffff || status == 0x0000)
1374 phy = kmalloc(sizeof(*phy), GFP_KERNEL);
1376 sis190_free_phy(&tp->first_phy);
1381 sis190_init_phy(dev, tp, phy, phy_id, status);
1383 list_add(&tp->first_phy, &phy->list);
1386 if (list_empty(&tp->first_phy)) {
1387 net_probe(tp, KERN_INFO "%s: No MII transceivers found!\n",
1388 pci_name(tp->pci_dev));
1393 /* Select default PHY for mac */
1394 sis190_default_phy(dev);
1396 sis190_mii_probe_88e1111_fixup(tp);
1399 mii_if->mdio_read = __mdio_read;
1400 mii_if->mdio_write = __mdio_write;
1401 mii_if->phy_id_mask = PHY_ID_ANY;
1402 mii_if->reg_num_mask = MII_REG_ANY;
1407 static void __devexit sis190_mii_remove(struct net_device *dev)
1409 struct sis190_private *tp = netdev_priv(dev);
1411 sis190_free_phy(&tp->first_phy);
1414 static void sis190_release_board(struct pci_dev *pdev)
1416 struct net_device *dev = pci_get_drvdata(pdev);
1417 struct sis190_private *tp = netdev_priv(dev);
1419 iounmap(tp->mmio_addr);
1420 pci_release_regions(pdev);
1421 pci_disable_device(pdev);
1425 static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev)
1427 struct sis190_private *tp;
1428 struct net_device *dev;
1429 void __iomem *ioaddr;
1432 dev = alloc_etherdev(sizeof(*tp));
1434 net_drv(&debug, KERN_ERR PFX "unable to alloc new ethernet\n");
1439 SET_MODULE_OWNER(dev);
1440 SET_NETDEV_DEV(dev, &pdev->dev);
1442 tp = netdev_priv(dev);
1444 tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT);
1446 rc = pci_enable_device(pdev);
1448 net_probe(tp, KERN_ERR "%s: enable failure\n", pci_name(pdev));
1449 goto err_free_dev_1;
1454 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1455 net_probe(tp, KERN_ERR "%s: region #0 is no MMIO resource.\n",
1457 goto err_pci_disable_2;
1459 if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) {
1460 net_probe(tp, KERN_ERR "%s: invalid PCI region size(s).\n",
1462 goto err_pci_disable_2;
1465 rc = pci_request_regions(pdev, DRV_NAME);
1467 net_probe(tp, KERN_ERR PFX "%s: could not request regions.\n",
1469 goto err_pci_disable_2;
1472 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1474 net_probe(tp, KERN_ERR "%s: DMA configuration failed.\n",
1476 goto err_free_res_3;
1479 pci_set_master(pdev);
1481 ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE);
1483 net_probe(tp, KERN_ERR "%s: cannot remap MMIO, aborting\n",
1486 goto err_free_res_3;
1490 tp->mmio_addr = ioaddr;
1492 sis190_irq_mask_and_ack(ioaddr);
1494 sis190_soft_reset(ioaddr);
1499 pci_release_regions(pdev);
1501 pci_disable_device(pdev);
1509 static void sis190_tx_timeout(struct net_device *dev)
1511 struct sis190_private *tp = netdev_priv(dev);
1512 void __iomem *ioaddr = tp->mmio_addr;
1515 /* Disable Tx, if not already */
1516 tmp8 = SIS_R8(TxControl);
1517 if (tmp8 & CmdTxEnb)
1518 SIS_W8(TxControl, tmp8 & ~CmdTxEnb);
1521 net_tx_err(tp, KERN_INFO "%s: Transmit timeout, status %08x %08x.\n",
1522 dev->name, SIS_R32(TxControl), SIS_R32(TxSts));
1524 /* Disable interrupts by clearing the interrupt mask. */
1525 SIS_W32(IntrMask, 0x0000);
1527 /* Stop a shared interrupt from scavenging while we are. */
1528 spin_lock_irq(&tp->lock);
1529 sis190_tx_clear(tp);
1530 spin_unlock_irq(&tp->lock);
1532 /* ...and finally, reset everything. */
1533 sis190_hw_start(dev);
1535 netif_wake_queue(dev);
1538 static void sis190_set_rgmii(struct sis190_private *tp, u8 reg)
1540 tp->features |= (reg & 0x80) ? F_HAS_RGMII : 0;
1543 static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
1544 struct net_device *dev)
1546 struct sis190_private *tp = netdev_priv(dev);
1547 void __iomem *ioaddr = tp->mmio_addr;
1551 net_probe(tp, KERN_INFO "%s: Read MAC address from EEPROM\n",
1554 /* Check to see if there is a sane EEPROM */
1555 sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature);
1557 if ((sig == 0xffff) || (sig == 0x0000)) {
1558 net_probe(tp, KERN_INFO "%s: Error EEPROM read %x.\n",
1559 pci_name(pdev), sig);
1563 /* Get MAC address from EEPROM */
1564 for (i = 0; i < MAC_ADDR_LEN / 2; i++) {
1565 __le16 w = sis190_read_eeprom(ioaddr, EEPROMMACAddr + i);
1567 ((u16 *)dev->dev_addr)[i] = le16_to_cpu(w);
1570 sis190_set_rgmii(tp, sis190_read_eeprom(ioaddr, EEPROMInfo));
1576 * sis190_get_mac_addr_from_apc - Get MAC address for SiS965 model
1578 * @dev: network device to get address for
1580 * SiS965 model, use APC CMOS RAM to store MAC address.
1581 * APC CMOS RAM is accessed through ISA bridge.
1582 * MAC address is read into @net_dev->dev_addr.
1584 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
1585 struct net_device *dev)
1587 struct sis190_private *tp = netdev_priv(dev);
1588 struct pci_dev *isa_bridge;
1592 net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
1595 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0965, NULL);
1597 net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
1602 /* Enable port 78h & 79h to access APC Registers. */
1603 pci_read_config_byte(isa_bridge, 0x48, &tmp8);
1604 reg = (tmp8 & ~0x02);
1605 pci_write_config_byte(isa_bridge, 0x48, reg);
1607 pci_read_config_byte(isa_bridge, 0x48, ®);
1609 for (i = 0; i < MAC_ADDR_LEN; i++) {
1610 outb(0x9 + i, 0x78);
1611 dev->dev_addr[i] = inb(0x79);
1617 sis190_set_rgmii(tp, reg);
1619 /* Restore the value to ISA Bridge */
1620 pci_write_config_byte(isa_bridge, 0x48, tmp8);
1621 pci_dev_put(isa_bridge);
1627 * sis190_init_rxfilter - Initialize the Rx filter
1628 * @dev: network device to initialize
1630 * Set receive filter address to our MAC address
1631 * and enable packet filtering.
1633 static inline void sis190_init_rxfilter(struct net_device *dev)
1635 struct sis190_private *tp = netdev_priv(dev);
1636 void __iomem *ioaddr = tp->mmio_addr;
1640 ctl = SIS_R16(RxMacControl);
1642 * Disable packet filtering before setting filter.
1643 * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits
1644 * only and followed by RxMacAddr (6 bytes). Strange. -- FR
1646 SIS_W16(RxMacControl, ctl & ~0x0f00);
1648 for (i = 0; i < MAC_ADDR_LEN; i++)
1649 SIS_W8(RxMacAddr + i, dev->dev_addr[i]);
1651 SIS_W16(RxMacControl, ctl);
1655 static int sis190_get_mac_addr(struct pci_dev *pdev, struct net_device *dev)
1659 pci_read_config_byte(pdev, 0x73, &from);
1661 return (from & 0x00000001) ?
1662 sis190_get_mac_addr_from_apc(pdev, dev) :
1663 sis190_get_mac_addr_from_eeprom(pdev, dev);
1666 static void sis190_set_speed_auto(struct net_device *dev)
1668 struct sis190_private *tp = netdev_priv(dev);
1669 void __iomem *ioaddr = tp->mmio_addr;
1670 int phy_id = tp->mii_if.phy_id;
1673 net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name);
1675 val = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
1677 // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0
1679 mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) |
1680 ADVERTISE_100FULL | ADVERTISE_10FULL |
1681 ADVERTISE_100HALF | ADVERTISE_10HALF);
1683 // Enable 1000 Full Mode.
1684 mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL);
1686 // Enable auto-negotiation and restart auto-negotiation.
1687 mdio_write(ioaddr, phy_id, MII_BMCR,
1688 BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET);
1691 static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1693 struct sis190_private *tp = netdev_priv(dev);
1695 return mii_ethtool_gset(&tp->mii_if, cmd);
1698 static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1700 struct sis190_private *tp = netdev_priv(dev);
1702 return mii_ethtool_sset(&tp->mii_if, cmd);
1705 static void sis190_get_drvinfo(struct net_device *dev,
1706 struct ethtool_drvinfo *info)
1708 struct sis190_private *tp = netdev_priv(dev);
1710 strcpy(info->driver, DRV_NAME);
1711 strcpy(info->version, DRV_VERSION);
1712 strcpy(info->bus_info, pci_name(tp->pci_dev));
1715 static int sis190_get_regs_len(struct net_device *dev)
1717 return SIS190_REGS_SIZE;
1720 static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1723 struct sis190_private *tp = netdev_priv(dev);
1724 unsigned long flags;
1726 if (regs->len > SIS190_REGS_SIZE)
1727 regs->len = SIS190_REGS_SIZE;
1729 spin_lock_irqsave(&tp->lock, flags);
1730 memcpy_fromio(p, tp->mmio_addr, regs->len);
1731 spin_unlock_irqrestore(&tp->lock, flags);
1734 static int sis190_nway_reset(struct net_device *dev)
1736 struct sis190_private *tp = netdev_priv(dev);
1738 return mii_nway_restart(&tp->mii_if);
1741 static u32 sis190_get_msglevel(struct net_device *dev)
1743 struct sis190_private *tp = netdev_priv(dev);
1745 return tp->msg_enable;
1748 static void sis190_set_msglevel(struct net_device *dev, u32 value)
1750 struct sis190_private *tp = netdev_priv(dev);
1752 tp->msg_enable = value;
1755 static const struct ethtool_ops sis190_ethtool_ops = {
1756 .get_settings = sis190_get_settings,
1757 .set_settings = sis190_set_settings,
1758 .get_drvinfo = sis190_get_drvinfo,
1759 .get_regs_len = sis190_get_regs_len,
1760 .get_regs = sis190_get_regs,
1761 .get_link = ethtool_op_get_link,
1762 .get_msglevel = sis190_get_msglevel,
1763 .set_msglevel = sis190_set_msglevel,
1764 .nway_reset = sis190_nway_reset,
1767 static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1769 struct sis190_private *tp = netdev_priv(dev);
1771 return !netif_running(dev) ? -EINVAL :
1772 generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);
1775 static int __devinit sis190_init_one(struct pci_dev *pdev,
1776 const struct pci_device_id *ent)
1778 static int printed_version = 0;
1779 struct sis190_private *tp;
1780 struct net_device *dev;
1781 void __iomem *ioaddr;
1784 if (!printed_version) {
1785 net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
1786 printed_version = 1;
1789 dev = sis190_init_board(pdev);
1795 pci_set_drvdata(pdev, dev);
1797 tp = netdev_priv(dev);
1798 ioaddr = tp->mmio_addr;
1800 rc = sis190_get_mac_addr(pdev, dev);
1802 goto err_release_board;
1804 sis190_init_rxfilter(dev);
1806 INIT_WORK(&tp->phy_task, sis190_phy_task);
1808 dev->open = sis190_open;
1809 dev->stop = sis190_close;
1810 dev->do_ioctl = sis190_ioctl;
1811 dev->get_stats = sis190_get_stats;
1812 dev->tx_timeout = sis190_tx_timeout;
1813 dev->watchdog_timeo = SIS190_TX_TIMEOUT;
1814 dev->hard_start_xmit = sis190_start_xmit;
1815 #ifdef CONFIG_NET_POLL_CONTROLLER
1816 dev->poll_controller = sis190_netpoll;
1818 dev->set_multicast_list = sis190_set_rx_mode;
1819 SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops);
1820 dev->irq = pdev->irq;
1821 dev->base_addr = (unsigned long) 0xdead;
1823 spin_lock_init(&tp->lock);
1825 rc = sis190_mii_probe(dev);
1827 goto err_release_board;
1829 rc = register_netdev(dev);
1831 goto err_remove_mii;
1833 net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), "
1834 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
1835 pci_name(pdev), sis_chip_info[ent->driver_data].name,
1837 dev->dev_addr[0], dev->dev_addr[1],
1838 dev->dev_addr[2], dev->dev_addr[3],
1839 dev->dev_addr[4], dev->dev_addr[5]);
1841 net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name,
1842 (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");
1844 netif_carrier_off(dev);
1846 sis190_set_speed_auto(dev);
1851 sis190_mii_remove(dev);
1853 sis190_release_board(pdev);
1857 static void __devexit sis190_remove_one(struct pci_dev *pdev)
1859 struct net_device *dev = pci_get_drvdata(pdev);
1861 sis190_mii_remove(dev);
1862 flush_scheduled_work();
1863 unregister_netdev(dev);
1864 sis190_release_board(pdev);
1865 pci_set_drvdata(pdev, NULL);
1868 static struct pci_driver sis190_pci_driver = {
1870 .id_table = sis190_pci_tbl,
1871 .probe = sis190_init_one,
1872 .remove = __devexit_p(sis190_remove_one),
1875 static int __init sis190_init_module(void)
1877 return pci_register_driver(&sis190_pci_driver);
1880 static void __exit sis190_cleanup_module(void)
1882 pci_unregister_driver(&sis190_pci_driver);
1885 module_init(sis190_init_module);
1886 module_exit(sis190_cleanup_module);