2 drivers/net/ethernet/dec/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 submit bugs to http://bugzilla.kernel.org/ .
17 void tulip_media_task(struct work_struct *work)
19 struct tulip_private *tp =
20 container_of(work, struct tulip_private, media_work);
21 struct net_device *dev = tp->dev;
22 void __iomem *ioaddr = tp->base_addr;
23 u32 csr12 = ioread32(ioaddr + CSR12);
27 if (tulip_debug > 2) {
28 netdev_dbg(dev, "Media selection tick, %s, status %08x mode %08x SIA %08x %08x %08x %08x\n",
29 medianame[dev->if_port],
30 ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR6),
31 csr12, ioread32(ioaddr + CSR13),
32 ioread32(ioaddr + CSR14), ioread32(ioaddr + CSR15));
34 switch (tp->chip_id) {
41 struct medialeaf *mleaf;
43 if (tp->mtable == NULL) { /* No EEPROM info, use generic code. */
44 /* Not much that can be done.
45 Assume this a generic MII or SYM transceiver. */
48 netdev_dbg(dev, "network media monitor CSR6 %08x CSR12 0x%02x\n",
49 ioread32(ioaddr + CSR6),
53 mleaf = &tp->mtable->mleaf[tp->cur_index];
55 switch (mleaf->type) {
57 /* Type 0 serial or 4 SYM transceiver. Check the link beat bit. */
58 int offset = mleaf->type == 4 ? 5 : 2;
59 s8 bitnum = p[offset];
60 if (p[offset+1] & 0x80) {
62 netdev_dbg(dev, "Transceiver monitor tick CSR12=%#02x, no media sense\n",
64 if (mleaf->type == 4) {
65 if (mleaf->media == 3 && (csr12 & 0x02))
66 goto select_next_media;
71 netdev_dbg(dev, "Transceiver monitor tick: CSR12=%#02x bit %d is %d, expecting %d\n",
72 csr12, (bitnum >> 1) & 7,
73 (csr12 & (1 << ((bitnum >> 1) & 7))) != 0,
75 /* Check that the specified bit has the proper value. */
77 ((csr12 & (1 << ((bitnum >> 1) & 7))) != 0)) {
79 netdev_dbg(dev, "Link beat detected for %s\n",
80 medianame[mleaf->media & MEDIA_MASK]);
81 if ((p[2] & 0x61) == 0x01) /* Bogus Znyx board. */
83 netif_carrier_on(dev);
86 netif_carrier_off(dev);
90 if (--tp->cur_index < 0) {
91 /* We start again, but should instead look for default. */
92 tp->cur_index = tp->mtable->leafcount - 1;
94 dev->if_port = tp->mtable->mleaf[tp->cur_index].media;
95 if (tulip_media_cap[dev->if_port] & MediaIsFD)
96 goto select_next_media; /* Skip FD entries. */
98 netdev_dbg(dev, "No link beat on media %s, trying transceiver type %s\n",
99 medianame[mleaf->media & MEDIA_MASK],
100 medianame[tp->mtable->mleaf[tp->cur_index].media]);
101 tulip_select_media(dev, 0);
102 /* Restart the transmit process. */
103 tulip_restart_rxtx(tp);
104 next_tick = (24*HZ)/10;
107 case 1: case 3: /* 21140, 21142 MII */
109 if (tulip_check_duplex(dev) < 0) {
110 netif_carrier_off(dev);
113 netif_carrier_on(dev);
117 case 2: /* 21142 serial block has no link beat. */
126 spin_lock_irqsave(&tp->lock, flags);
127 if (tp->timeout_recovery) {
128 tulip_tx_timeout_complete(tp, ioaddr);
129 tp->timeout_recovery = 0;
131 spin_unlock_irqrestore(&tp->lock, flags);
133 /* mod_timer synchronizes us with potential add_timer calls
136 mod_timer(&tp->timer, RUN_AT(next_tick));
140 void mxic_timer(unsigned long data)
142 struct net_device *dev = (struct net_device *)data;
143 struct tulip_private *tp = netdev_priv(dev);
144 void __iomem *ioaddr = tp->base_addr;
145 int next_tick = 60*HZ;
147 if (tulip_debug > 3) {
148 dev_info(&dev->dev, "MXIC negotiation status %08x\n",
149 ioread32(ioaddr + CSR12));
152 mod_timer(&tp->timer, RUN_AT(next_tick));
157 void comet_timer(unsigned long data)
159 struct net_device *dev = (struct net_device *)data;
160 struct tulip_private *tp = netdev_priv(dev);
161 int next_tick = 2*HZ;
164 netdev_dbg(dev, "Comet link status %04x partner capability %04x\n",
165 tulip_mdio_read(dev, tp->phys[0], 1),
166 tulip_mdio_read(dev, tp->phys[0], 5));
167 /* mod_timer synchronizes us with potential add_timer calls
170 if (tulip_check_duplex(dev) < 0)
171 { netif_carrier_off(dev); }
173 { netif_carrier_on(dev); }
174 mod_timer(&tp->timer, RUN_AT(next_tick));