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 { "Broadcom PHY AC131", { 0x0143, 0xbc70 }, LAN, 0 },
328 { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 },
329 { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 },
330 { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 },
334 static const struct {
336 } sis_chip_info[] = {
337 { "SiS 190 PCI Fast Ethernet adapter" },
338 { "SiS 191 PCI Gigabit Ethernet adapter" },
341 static struct pci_device_id sis190_pci_tbl[] __devinitdata = {
342 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 },
343 { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 },
347 MODULE_DEVICE_TABLE(pci, sis190_pci_tbl);
349 static int rx_copybreak = 200;
355 MODULE_DESCRIPTION("SiS sis190 Gigabit Ethernet driver");
356 module_param(rx_copybreak, int, 0);
357 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
358 module_param_named(debug, debug.msg_enable, int, 0);
359 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
360 MODULE_AUTHOR("K.M. Liu <kmliu@sis.com>, Ueimor <romieu@fr.zoreil.com>");
361 MODULE_VERSION(DRV_VERSION);
362 MODULE_LICENSE("GPL");
364 static const u32 sis190_intr_mask =
365 RxQEmpty | RxQInt | TxQ1Int | TxQ0Int | RxHalt | TxHalt | LinkChange;
368 * Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
369 * The chips use a 64 element hash table based on the Ethernet CRC.
371 static const int multicast_filter_limit = 32;
373 static void __mdio_cmd(void __iomem *ioaddr, u32 ctl)
377 SIS_W32(GMIIControl, ctl);
381 for (i = 0; i < 100; i++) {
382 if (!(SIS_R32(GMIIControl) & EhnMIInotDone))
388 printk(KERN_ERR PFX "PHY command failed !\n");
391 static void mdio_write(void __iomem *ioaddr, int phy_id, int reg, int val)
393 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIwrite |
394 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift) |
395 (((u32) val) << EhnMIIdataShift));
398 static int mdio_read(void __iomem *ioaddr, int phy_id, int reg)
400 __mdio_cmd(ioaddr, EhnMIIreq | EhnMIIread |
401 (((u32) reg) << EhnMIIregShift) | (phy_id << EhnMIIpmdShift));
403 return (u16) (SIS_R32(GMIIControl) >> EhnMIIdataShift);
406 static void __mdio_write(struct net_device *dev, int phy_id, int reg, int val)
408 struct sis190_private *tp = netdev_priv(dev);
410 mdio_write(tp->mmio_addr, phy_id, reg, val);
413 static int __mdio_read(struct net_device *dev, int phy_id, int reg)
415 struct sis190_private *tp = netdev_priv(dev);
417 return mdio_read(tp->mmio_addr, phy_id, reg);
420 static u16 mdio_read_latched(void __iomem *ioaddr, int phy_id, int reg)
422 mdio_read(ioaddr, phy_id, reg);
423 return mdio_read(ioaddr, phy_id, reg);
426 static u16 __devinit sis190_read_eeprom(void __iomem *ioaddr, u32 reg)
431 if (!(SIS_R32(ROMControl) & 0x0002))
434 SIS_W32(ROMInterface, EEREQ | EEROP | (reg << 10));
436 for (i = 0; i < 200; i++) {
437 if (!(SIS_R32(ROMInterface) & EEREQ)) {
438 data = (SIS_R32(ROMInterface) & 0xffff0000) >> 16;
447 static void sis190_irq_mask_and_ack(void __iomem *ioaddr)
449 SIS_W32(IntrMask, 0x00);
450 SIS_W32(IntrStatus, 0xffffffff);
454 static void sis190_asic_down(void __iomem *ioaddr)
456 /* Stop the chip's Tx and Rx DMA processes. */
458 SIS_W32(TxControl, 0x1a00);
459 SIS_W32(RxControl, 0x1a00);
461 sis190_irq_mask_and_ack(ioaddr);
464 static void sis190_mark_as_last_descriptor(struct RxDesc *desc)
466 desc->size |= cpu_to_le32(RingEnd);
469 static inline void sis190_give_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
471 u32 eor = le32_to_cpu(desc->size) & RingEnd;
474 desc->size = cpu_to_le32((rx_buf_sz & RX_BUF_MASK) | eor);
476 desc->status = cpu_to_le32(OWNbit | INTbit);
479 static inline void sis190_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
482 desc->addr = cpu_to_le32(mapping);
483 sis190_give_to_asic(desc, rx_buf_sz);
486 static inline void sis190_make_unusable_by_asic(struct RxDesc *desc)
489 desc->addr = 0xdeadbeef;
490 desc->size &= cpu_to_le32(RingEnd);
495 static int sis190_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff,
496 struct RxDesc *desc, u32 rx_buf_sz)
502 skb = dev_alloc_skb(rx_buf_sz);
508 mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
511 sis190_map_to_asic(desc, mapping, rx_buf_sz);
517 sis190_make_unusable_by_asic(desc);
521 static u32 sis190_rx_fill(struct sis190_private *tp, struct net_device *dev,
526 for (cur = start; cur < end; cur++) {
527 int ret, i = cur % NUM_RX_DESC;
529 if (tp->Rx_skbuff[i])
532 ret = sis190_alloc_rx_skb(tp->pci_dev, tp->Rx_skbuff + i,
533 tp->RxDescRing + i, tp->rx_buf_sz);
540 static inline int sis190_try_rx_copy(struct sk_buff **sk_buff, int pkt_size,
541 struct RxDesc *desc, int rx_buf_sz)
545 if (pkt_size < rx_copybreak) {
548 skb = dev_alloc_skb(pkt_size + NET_IP_ALIGN);
550 skb_reserve(skb, NET_IP_ALIGN);
551 skb_copy_to_linear_data(skb, sk_buff[0]->data, pkt_size);
553 sis190_give_to_asic(desc, rx_buf_sz);
560 static inline int sis190_rx_pkt_err(u32 status, struct net_device_stats *stats)
562 #define ErrMask (OVRUN | SHORT | LIMIT | MIIER | NIBON | COLON | ABORT)
564 if ((status & CRCOK) && !(status & ErrMask))
567 if (!(status & CRCOK))
568 stats->rx_crc_errors++;
569 else if (status & OVRUN)
570 stats->rx_over_errors++;
571 else if (status & (SHORT | LIMIT))
572 stats->rx_length_errors++;
573 else if (status & (MIIER | NIBON | COLON))
574 stats->rx_frame_errors++;
580 static int sis190_rx_interrupt(struct net_device *dev,
581 struct sis190_private *tp, void __iomem *ioaddr)
583 struct net_device_stats *stats = &tp->stats;
584 u32 rx_left, cur_rx = tp->cur_rx;
587 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
588 rx_left = sis190_rx_quota(rx_left, (u32) dev->quota);
590 for (; rx_left > 0; rx_left--, cur_rx++) {
591 unsigned int entry = cur_rx % NUM_RX_DESC;
592 struct RxDesc *desc = tp->RxDescRing + entry;
595 if (desc->status & OWNbit)
598 status = le32_to_cpu(desc->PSize);
600 // net_intr(tp, KERN_INFO "%s: Rx PSize = %08x.\n", dev->name,
603 if (sis190_rx_pkt_err(status, stats) < 0)
604 sis190_give_to_asic(desc, tp->rx_buf_sz);
606 struct sk_buff *skb = tp->Rx_skbuff[entry];
607 int pkt_size = (status & RxSizeMask) - 4;
608 void (*pci_action)(struct pci_dev *, dma_addr_t,
609 size_t, int) = pci_dma_sync_single_for_device;
611 if (unlikely(pkt_size > tp->rx_buf_sz)) {
612 net_intr(tp, KERN_INFO
613 "%s: (frag) status = %08x.\n",
616 stats->rx_length_errors++;
617 sis190_give_to_asic(desc, tp->rx_buf_sz);
621 pci_dma_sync_single_for_cpu(tp->pci_dev,
622 le32_to_cpu(desc->addr), tp->rx_buf_sz,
625 if (sis190_try_rx_copy(&skb, pkt_size, desc,
627 pci_action = pci_unmap_single;
628 tp->Rx_skbuff[entry] = NULL;
629 sis190_make_unusable_by_asic(desc);
632 pci_action(tp->pci_dev, le32_to_cpu(desc->addr),
633 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 isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0966, NULL);
1600 net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",
1605 /* Enable port 78h & 79h to access APC Registers. */
1606 pci_read_config_byte(isa_bridge, 0x48, &tmp8);
1607 reg = (tmp8 & ~0x02);
1608 pci_write_config_byte(isa_bridge, 0x48, reg);
1610 pci_read_config_byte(isa_bridge, 0x48, ®);
1612 for (i = 0; i < MAC_ADDR_LEN; i++) {
1613 outb(0x9 + i, 0x78);
1614 dev->dev_addr[i] = inb(0x79);
1620 sis190_set_rgmii(tp, reg);
1622 /* Restore the value to ISA Bridge */
1623 pci_write_config_byte(isa_bridge, 0x48, tmp8);
1624 pci_dev_put(isa_bridge);
1630 * sis190_init_rxfilter - Initialize the Rx filter
1631 * @dev: network device to initialize
1633 * Set receive filter address to our MAC address
1634 * and enable packet filtering.
1636 static inline void sis190_init_rxfilter(struct net_device *dev)
1638 struct sis190_private *tp = netdev_priv(dev);
1639 void __iomem *ioaddr = tp->mmio_addr;
1643 ctl = SIS_R16(RxMacControl);
1645 * Disable packet filtering before setting filter.
1646 * Note: SiS's driver writes 32 bits but RxMacControl is 16 bits
1647 * only and followed by RxMacAddr (6 bytes). Strange. -- FR
1649 SIS_W16(RxMacControl, ctl & ~0x0f00);
1651 for (i = 0; i < MAC_ADDR_LEN; i++)
1652 SIS_W8(RxMacAddr + i, dev->dev_addr[i]);
1654 SIS_W16(RxMacControl, ctl);
1658 static int sis190_get_mac_addr(struct pci_dev *pdev, struct net_device *dev)
1662 pci_read_config_byte(pdev, 0x73, &from);
1664 return (from & 0x00000001) ?
1665 sis190_get_mac_addr_from_apc(pdev, dev) :
1666 sis190_get_mac_addr_from_eeprom(pdev, dev);
1669 static void sis190_set_speed_auto(struct net_device *dev)
1671 struct sis190_private *tp = netdev_priv(dev);
1672 void __iomem *ioaddr = tp->mmio_addr;
1673 int phy_id = tp->mii_if.phy_id;
1676 net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name);
1678 val = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
1680 // Enable 10/100 Full/Half Mode, leave MII_ADVERTISE bit4:0
1682 mdio_write(ioaddr, phy_id, MII_ADVERTISE, (val & ADVERTISE_SLCT) |
1683 ADVERTISE_100FULL | ADVERTISE_10FULL |
1684 ADVERTISE_100HALF | ADVERTISE_10HALF);
1686 // Enable 1000 Full Mode.
1687 mdio_write(ioaddr, phy_id, MII_CTRL1000, ADVERTISE_1000FULL);
1689 // Enable auto-negotiation and restart auto-negotiation.
1690 mdio_write(ioaddr, phy_id, MII_BMCR,
1691 BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET);
1694 static int sis190_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1696 struct sis190_private *tp = netdev_priv(dev);
1698 return mii_ethtool_gset(&tp->mii_if, cmd);
1701 static int sis190_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1703 struct sis190_private *tp = netdev_priv(dev);
1705 return mii_ethtool_sset(&tp->mii_if, cmd);
1708 static void sis190_get_drvinfo(struct net_device *dev,
1709 struct ethtool_drvinfo *info)
1711 struct sis190_private *tp = netdev_priv(dev);
1713 strcpy(info->driver, DRV_NAME);
1714 strcpy(info->version, DRV_VERSION);
1715 strcpy(info->bus_info, pci_name(tp->pci_dev));
1718 static int sis190_get_regs_len(struct net_device *dev)
1720 return SIS190_REGS_SIZE;
1723 static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1726 struct sis190_private *tp = netdev_priv(dev);
1727 unsigned long flags;
1729 if (regs->len > SIS190_REGS_SIZE)
1730 regs->len = SIS190_REGS_SIZE;
1732 spin_lock_irqsave(&tp->lock, flags);
1733 memcpy_fromio(p, tp->mmio_addr, regs->len);
1734 spin_unlock_irqrestore(&tp->lock, flags);
1737 static int sis190_nway_reset(struct net_device *dev)
1739 struct sis190_private *tp = netdev_priv(dev);
1741 return mii_nway_restart(&tp->mii_if);
1744 static u32 sis190_get_msglevel(struct net_device *dev)
1746 struct sis190_private *tp = netdev_priv(dev);
1748 return tp->msg_enable;
1751 static void sis190_set_msglevel(struct net_device *dev, u32 value)
1753 struct sis190_private *tp = netdev_priv(dev);
1755 tp->msg_enable = value;
1758 static const struct ethtool_ops sis190_ethtool_ops = {
1759 .get_settings = sis190_get_settings,
1760 .set_settings = sis190_set_settings,
1761 .get_drvinfo = sis190_get_drvinfo,
1762 .get_regs_len = sis190_get_regs_len,
1763 .get_regs = sis190_get_regs,
1764 .get_link = ethtool_op_get_link,
1765 .get_msglevel = sis190_get_msglevel,
1766 .set_msglevel = sis190_set_msglevel,
1767 .nway_reset = sis190_nway_reset,
1770 static int sis190_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1772 struct sis190_private *tp = netdev_priv(dev);
1774 return !netif_running(dev) ? -EINVAL :
1775 generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);
1778 static int __devinit sis190_init_one(struct pci_dev *pdev,
1779 const struct pci_device_id *ent)
1781 static int printed_version = 0;
1782 struct sis190_private *tp;
1783 struct net_device *dev;
1784 void __iomem *ioaddr;
1787 if (!printed_version) {
1788 net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
1789 printed_version = 1;
1792 dev = sis190_init_board(pdev);
1798 pci_set_drvdata(pdev, dev);
1800 tp = netdev_priv(dev);
1801 ioaddr = tp->mmio_addr;
1803 rc = sis190_get_mac_addr(pdev, dev);
1805 goto err_release_board;
1807 sis190_init_rxfilter(dev);
1809 INIT_WORK(&tp->phy_task, sis190_phy_task);
1811 dev->open = sis190_open;
1812 dev->stop = sis190_close;
1813 dev->do_ioctl = sis190_ioctl;
1814 dev->get_stats = sis190_get_stats;
1815 dev->tx_timeout = sis190_tx_timeout;
1816 dev->watchdog_timeo = SIS190_TX_TIMEOUT;
1817 dev->hard_start_xmit = sis190_start_xmit;
1818 #ifdef CONFIG_NET_POLL_CONTROLLER
1819 dev->poll_controller = sis190_netpoll;
1821 dev->set_multicast_list = sis190_set_rx_mode;
1822 SET_ETHTOOL_OPS(dev, &sis190_ethtool_ops);
1823 dev->irq = pdev->irq;
1824 dev->base_addr = (unsigned long) 0xdead;
1826 spin_lock_init(&tp->lock);
1828 rc = sis190_mii_probe(dev);
1830 goto err_release_board;
1832 rc = register_netdev(dev);
1834 goto err_remove_mii;
1836 net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), "
1837 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
1838 pci_name(pdev), sis_chip_info[ent->driver_data].name,
1840 dev->dev_addr[0], dev->dev_addr[1],
1841 dev->dev_addr[2], dev->dev_addr[3],
1842 dev->dev_addr[4], dev->dev_addr[5]);
1844 net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name,
1845 (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");
1847 netif_carrier_off(dev);
1849 sis190_set_speed_auto(dev);
1854 sis190_mii_remove(dev);
1856 sis190_release_board(pdev);
1860 static void __devexit sis190_remove_one(struct pci_dev *pdev)
1862 struct net_device *dev = pci_get_drvdata(pdev);
1864 sis190_mii_remove(dev);
1865 flush_scheduled_work();
1866 unregister_netdev(dev);
1867 sis190_release_board(pdev);
1868 pci_set_drvdata(pdev, NULL);
1871 static struct pci_driver sis190_pci_driver = {
1873 .id_table = sis190_pci_tbl,
1874 .probe = sis190_init_one,
1875 .remove = __devexit_p(sis190_remove_one),
1878 static int __init sis190_init_module(void)
1880 return pci_register_driver(&sis190_pci_driver);
1883 static void __exit sis190_cleanup_module(void)
1885 pci_unregister_driver(&sis190_pci_driver);
1888 module_init(sis190_init_module);
1889 module_exit(sis190_cleanup_module);