2 drivers/net/tulip/timer.c
4 Copyright 2000,2001 The Linux Kernel Team
5 Written/copyright 1994-2001 by Donald Becker.
7 This software may be used and distributed according to the terms
8 of the GNU General Public License, incorporated herein by reference.
10 Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html}
11 for more information on this driver.
13 Please submit bugs to http://bugzilla.kernel.org/ .
20 void tulip_media_task(struct work_struct *work)
22 struct tulip_private *tp =
23 container_of(work, struct tulip_private, media_work);
24 struct net_device *dev = tp->dev;
25 void __iomem *ioaddr = tp->base_addr;
26 u32 csr12 = ioread32(ioaddr + CSR12);
30 if (tulip_debug > 2) {
31 printk(KERN_DEBUG "%s: Media selection tick, %s, status %08x mode %08x SIA %08x %08x %08x %08x\n",
32 dev->name, medianame[dev->if_port],
33 ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR6),
34 csr12, ioread32(ioaddr + CSR13),
35 ioread32(ioaddr + CSR14), ioread32(ioaddr + CSR15));
37 switch (tp->chip_id) {
44 struct medialeaf *mleaf;
46 if (tp->mtable == NULL) { /* No EEPROM info, use generic code. */
47 /* Not much that can be done.
48 Assume this a generic MII or SYM transceiver. */
51 printk(KERN_DEBUG "%s: network media monitor CSR6 %08x CSR12 0x%02x\n",
53 ioread32(ioaddr + CSR6), csr12 & 0xff);
56 mleaf = &tp->mtable->mleaf[tp->cur_index];
58 switch (mleaf->type) {
60 /* Type 0 serial or 4 SYM transceiver. Check the link beat bit. */
61 int offset = mleaf->type == 4 ? 5 : 2;
62 s8 bitnum = p[offset];
63 if (p[offset+1] & 0x80) {
65 printk(KERN_DEBUG "%s: Transceiver monitor tick CSR12=%#02x, no media sense\n",
67 if (mleaf->type == 4) {
68 if (mleaf->media == 3 && (csr12 & 0x02))
69 goto select_next_media;
74 printk(KERN_DEBUG "%s: Transceiver monitor tick: CSR12=%#02x bit %d is %d, expecting %d\n",
75 dev->name, csr12, (bitnum >> 1) & 7,
76 (csr12 & (1 << ((bitnum >> 1) & 7))) != 0,
78 /* Check that the specified bit has the proper value. */
80 ((csr12 & (1 << ((bitnum >> 1) & 7))) != 0)) {
82 printk(KERN_DEBUG "%s: Link beat detected for %s\n",
84 medianame[mleaf->media & MEDIA_MASK]);
85 if ((p[2] & 0x61) == 0x01) /* Bogus Znyx board. */
87 netif_carrier_on(dev);
90 netif_carrier_off(dev);
94 if (--tp->cur_index < 0) {
95 /* We start again, but should instead look for default. */
96 tp->cur_index = tp->mtable->leafcount - 1;
98 dev->if_port = tp->mtable->mleaf[tp->cur_index].media;
99 if (tulip_media_cap[dev->if_port] & MediaIsFD)
100 goto select_next_media; /* Skip FD entries. */
102 printk(KERN_DEBUG "%s: No link beat on media %s, trying transceiver type %s\n",
104 medianame[mleaf->media & MEDIA_MASK],
105 medianame[tp->mtable->mleaf[tp->cur_index].media]);
106 tulip_select_media(dev, 0);
107 /* Restart the transmit process. */
108 tulip_restart_rxtx(tp);
109 next_tick = (24*HZ)/10;
112 case 1: case 3: /* 21140, 21142 MII */
114 if (tulip_check_duplex(dev) < 0) {
115 netif_carrier_off(dev);
118 netif_carrier_on(dev);
122 case 2: /* 21142 serial block has no link beat. */
131 spin_lock_irqsave(&tp->lock, flags);
132 if (tp->timeout_recovery) {
133 tulip_tx_timeout_complete(tp, ioaddr);
134 tp->timeout_recovery = 0;
136 spin_unlock_irqrestore(&tp->lock, flags);
138 /* mod_timer synchronizes us with potential add_timer calls
141 mod_timer(&tp->timer, RUN_AT(next_tick));
145 void mxic_timer(unsigned long data)
147 struct net_device *dev = (struct net_device *)data;
148 struct tulip_private *tp = netdev_priv(dev);
149 void __iomem *ioaddr = tp->base_addr;
150 int next_tick = 60*HZ;
152 if (tulip_debug > 3) {
153 dev_info(&dev->dev, "MXIC negotiation status %08x\n",
154 ioread32(ioaddr + CSR12));
157 mod_timer(&tp->timer, RUN_AT(next_tick));
162 void comet_timer(unsigned long data)
164 struct net_device *dev = (struct net_device *)data;
165 struct tulip_private *tp = netdev_priv(dev);
166 int next_tick = 60*HZ;
169 printk(KERN_DEBUG "%s: Comet link status %04x partner capability %04x\n",
171 tulip_mdio_read(dev, tp->phys[0], 1),
172 tulip_mdio_read(dev, tp->phys[0], 5));
173 /* mod_timer synchronizes us with potential add_timer calls
176 if (tulip_check_duplex(dev) < 0)
177 { netif_carrier_off(dev); }
179 { netif_carrier_on(dev); }
180 mod_timer(&tp->timer, RUN_AT(next_tick));