/* drivers/net/tulip/timer.c Maintained by Valerie Henson <val_henson@linux.intel.com> Copyright 2000,2001 The Linux Kernel Team Written/copyright 1994-2001 by Donald Becker. This software may be used and distributed according to the terms of the GNU General Public License, incorporated herein by reference. Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html} for more information on this driver, or visit the project Web page at http://sourceforge.net/projects/tulip/ */ #include <linux/pci.h>#include "tulip.h" void tulip_media_task(struct work_struct *work){ struct tulip_private *tp = container_of(work, struct tulip_private, media_work); struct net_device *dev = tp->dev; void __iomem *ioaddr = tp->base_addr; u32 csr12 = ioread32(ioaddr + CSR12); int next_tick = 2*HZ; unsigned long flags; if (tulip_debug > 2) { printk(KERN_DEBUG "%s: Media selection tick, %s, status %8.8x mode" " %8.8x SIA %8.8x %8.8x %8.8x %8.8x.\n", dev->name, medianame[dev->if_port], ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR6), csr12, ioread32(ioaddr + CSR13), ioread32(ioaddr + CSR14), ioread32(ioaddr + CSR15)); } switch (tp->chip_id) { case DC21140: case DC21142: case MX98713: case COMPEX9881: case DM910X: default: { struct medialeaf *mleaf; unsigned char *p; if (tp->mtable == NULL) { /* No EEPROM info, use generic code. */ /* Not much that can be done. Assume this a generic MII or SYM transceiver. */ next_tick = 60*HZ; if (tulip_debug > 2) printk(KERN_DEBUG "%s: network media monitor CSR6 %8.8x " "CSR12 0x%2.2x.\n", dev->name, ioread32(ioaddr + CSR6), csr12 & 0xff); break; } mleaf = &tp->mtable->mleaf[tp->cur_index]; p = mleaf->leafdata; switch (mleaf->type) { case 0: case 4: { /* Type 0 serial or 4 SYM transceiver. Check the link beat bit. */ int offset = mleaf->type == 4 ? 5 : 2; s8 bitnum = p[offset]; if (p[offset+1] & 0x80) { if (tulip_debug > 1) printk(KERN_DEBUG"%s: Transceiver monitor tick " "CSR12=%#2.2x, no media sense.\n", dev->name, csr12); if (mleaf->type == 4) { if (mleaf->media == 3 && (csr12 & 0x02)) goto select_next_media; } break; } if (tulip_debug > 2) printk(KERN_DEBUG "%s: Transceiver monitor tick: CSR12=%#2.2x" " bit %d is %d, expecting %d.\n", dev->name, csr12, (bitnum >> 1) & 7, (csr12 & (1 << ((bitnum >> 1) & 7))) != 0, (bitnum >= 0)); /* Check that the specified bit has the proper value. */ if ((bitnum < 0) != ((csr12 & (1 << ((bitnum >> 1) & 7))) != 0)) { if (tulip_debug > 2) printk(KERN_DEBUG "%s: Link beat detected for %s.\n", dev->name, medianame[mleaf->media & MEDIA_MASK]); if ((p[2] & 0x61) == 0x01) /* Bogus Znyx board. */ goto actually_mii; netif_carrier_on(dev); break; } netif_carrier_off(dev); if (tp->medialock) break; select_next_media: if (--tp->cur_index < 0) { /* We start again, but should instead look for default. */ tp->cur_index = tp->mtable->leafcount - 1; } dev->if_port = tp->mtable->mleaf[tp->cur_index].media; if (tulip_media_cap[dev->if_port] & MediaIsFD) goto select_next_media; /* Skip FD entries. */ if (tulip_debug > 1) printk(KERN_DEBUG "%s: No link beat on media %s," " trying transceiver type %s.\n", dev->name, medianame[mleaf->media & MEDIA_MASK], medianame[tp->mtable->mleaf[tp->cur_index].media]); tulip_select_media(dev, 0); /* Restart the transmit process. */ tulip_restart_rxtx(tp); next_tick = (24*HZ)/10; break; } case 1: case 3: /* 21140, 21142 MII */ actually_mii: if (tulip_check_duplex(dev) < 0) { netif_carrier_off(dev); next_tick = 3*HZ; } else { netif_carrier_on(dev); next_tick = 60*HZ; } break; case 2: /* 21142 serial block has no link beat. */ default: break; } } break; } spin_lock_irqsave(&tp->lock, flags); if (tp->timeout_recovery) { tulip_tx_timeout_complete(tp, ioaddr); tp->timeout_recovery = 0; } spin_unlock_irqrestore(&tp->lock, flags); /* mod_timer synchronizes us with potential add_timer calls * from interrupts. */ mod_timer(&tp->timer, RUN_AT(next_tick));} void mxic_timer(unsigned long data){ struct net_device *dev = (struct net_device *)data; struct tulip_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->base_addr; int next_tick = 60*HZ; if (tulip_debug > 3) { printk(KERN_INFO"%s: MXIC negotiation status %8.8x.\n", dev->name, ioread32(ioaddr + CSR12)); } if (next_tick) { mod_timer(&tp->timer, RUN_AT(next_tick)); }} void comet_timer(unsigned long data){ struct net_device *dev = (struct net_device *)data; struct tulip_private *tp = netdev_priv(dev); int next_tick = 60*HZ; if (tulip_debug > 1) printk(KERN_DEBUG "%s: Comet link status %4.4x partner capability " "%4.4x.\n", dev->name, tulip_mdio_read(dev, tp->phys[0], 1), tulip_mdio_read(dev, tp->phys[0], 5)); /* mod_timer synchronizes us with potential add_timer calls * from interrupts. */ if (tulip_check_duplex(dev) < 0) { netif_carrier_off(dev); } else { netif_carrier_on(dev); } mod_timer(&tp->timer, RUN_AT(next_tick));}
/*
drivers/net/tulip/timer.c
Maintained by Valerie Henson <val_henson@linux.intel.com>
Copyright 2000,2001 The Linux Kernel Team
Written/copyright 1994-2001 by Donald Becker.
This software may be used and distributed according to the terms
of the GNU General Public License, incorporated herein by reference.
Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html}
for more information on this driver, or visit the project
Web page at http://sourceforge.net/projects/tulip/
*/
#include <linux/pci.h>
#include "tulip.h"
void tulip_media_task(struct work_struct *work)
{
struct tulip_private *tp =
container_of(work, struct tulip_private, media_work);
struct net_device *dev = tp->dev;
void __iomem *ioaddr = tp->base_addr;
u32 csr12 = ioread32(ioaddr + CSR12);
int next_tick = 2*HZ;
unsigned long flags;
if (tulip_debug > 2) {
printk(KERN_DEBUG "%s: Media selection tick, %s, status %8.8x mode"
" %8.8x SIA %8.8x %8.8x %8.8x %8.8x.\n",
dev->name, medianame[dev->if_port], ioread32(ioaddr + CSR5),
ioread32(ioaddr + CSR6), csr12, ioread32(ioaddr + CSR13),
ioread32(ioaddr + CSR14), ioread32(ioaddr + CSR15));
}
switch (tp->chip_id) {
case DC21140:
case DC21142:
case MX98713:
case COMPEX9881:
case DM910X:
default: {
struct medialeaf *mleaf;
unsigned char *p;
if (tp->mtable == NULL) { /* No EEPROM info, use generic code. */
/* Not much that can be done.
Assume this a generic MII or SYM transceiver. */
next_tick = 60*HZ;
if (tulip_debug > 2)
printk(KERN_DEBUG "%s: network media monitor CSR6 %8.8x "
"CSR12 0x%2.2x.\n",
dev->name, ioread32(ioaddr + CSR6), csr12 & 0xff);
break;
}
mleaf = &tp->mtable->mleaf[tp->cur_index];
p = mleaf->leafdata;
switch (mleaf->type) {
case 0: case 4: {
/* Type 0 serial or 4 SYM transceiver. Check the link beat bit. */
int offset = mleaf->type == 4 ? 5 : 2;
s8 bitnum = p[offset];
if (p[offset+1] & 0x80) {
if (tulip_debug > 1)
printk(KERN_DEBUG"%s: Transceiver monitor tick "
"CSR12=%#2.2x, no media sense.\n",
dev->name, csr12);
if (mleaf->type == 4) {
if (mleaf->media == 3 && (csr12 & 0x02))
goto select_next_media;
}
break;
}
if (tulip_debug > 2)
printk(KERN_DEBUG "%s: Transceiver monitor tick: CSR12=%#2.2x"
" bit %d is %d, expecting %d.\n",
dev->name, csr12, (bitnum >> 1) & 7,
(csr12 & (1 << ((bitnum >> 1) & 7))) != 0,
(bitnum >= 0));
/* Check that the specified bit has the proper value. */
if ((bitnum < 0) !=
((csr12 & (1 << ((bitnum >> 1) & 7))) != 0)) {
if (tulip_debug > 2)
printk(KERN_DEBUG "%s: Link beat detected for %s.\n", dev->name,
medianame[mleaf->media & MEDIA_MASK]);
if ((p[2] & 0x61) == 0x01) /* Bogus Znyx board. */
goto actually_mii;
netif_carrier_on(dev);
break;
}
netif_carrier_off(dev);
if (tp->medialock)
break;
select_next_media:
if (--tp->cur_index < 0) {
/* We start again, but should instead look for default. */
tp->cur_index = tp->mtable->leafcount - 1;
}
dev->if_port = tp->mtable->mleaf[tp->cur_index].media;
if (tulip_media_cap[dev->if_port] & MediaIsFD)
goto select_next_media; /* Skip FD entries. */
if (tulip_debug > 1)
printk(KERN_DEBUG "%s: No link beat on media %s,"
" trying transceiver type %s.\n",
dev->name, medianame[mleaf->media & MEDIA_MASK],
medianame[tp->mtable->mleaf[tp->cur_index].media]);
tulip_select_media(dev, 0);
/* Restart the transmit process. */
tulip_restart_rxtx(tp);
next_tick = (24*HZ)/10;
break;
}
case 1: case 3: /* 21140, 21142 MII */
actually_mii:
if (tulip_check_duplex(dev) < 0) {
netif_carrier_off(dev);
next_tick = 3*HZ;
} else {
netif_carrier_on(dev);
next_tick = 60*HZ;
}
break;
case 2: /* 21142 serial block has no link beat. */
default:
break;
}
}
break;
}
spin_lock_irqsave(&tp->lock, flags);
if (tp->timeout_recovery) {
tulip_tx_timeout_complete(tp, ioaddr);
tp->timeout_recovery = 0;
}
spin_unlock_irqrestore(&tp->lock, flags);
/* mod_timer synchronizes us with potential add_timer calls
* from interrupts.
*/
mod_timer(&tp->timer, RUN_AT(next_tick));
}
void mxic_timer(unsigned long data)
{
struct net_device *dev = (struct net_device *)data;
struct tulip_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->base_addr;
int next_tick = 60*HZ;
if (tulip_debug > 3) {
printk(KERN_INFO"%s: MXIC negotiation status %8.8x.\n", dev->name,
ioread32(ioaddr + CSR12));
}
if (next_tick) {
mod_timer(&tp->timer, RUN_AT(next_tick));
}
}
void comet_timer(unsigned long data)
{
struct net_device *dev = (struct net_device *)data;
struct tulip_private *tp = netdev_priv(dev);
int next_tick = 60*HZ;
if (tulip_debug > 1)
printk(KERN_DEBUG "%s: Comet link status %4.4x partner capability "
"%4.4x.\n",
dev->name,
tulip_mdio_read(dev, tp->phys[0], 1),
tulip_mdio_read(dev, tp->phys[0], 5));
/* mod_timer synchronizes us with potential add_timer calls
* from interrupts.
*/
if (tulip_check_duplex(dev) < 0)
{ netif_carrier_off(dev); }
else
{ netif_carrier_on(dev); }
mod_timer(&tp->timer, RUN_AT(next_tick));
}