mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
![Joe Perches](/assets/img/avatar_default.png)
Convert logging messages to more current styles. Added -DDEBUG to Makefile to maintain current message logging. This could be converted to a specific CONFIG_TULIP_DEBUG option. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
179 lines
4.9 KiB
C
179 lines
4.9 KiB
C
/*
|
|
drivers/net/tulip/timer.c
|
|
|
|
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.
|
|
|
|
Please submit bugs to http://bugzilla.kernel.org/ .
|
|
*/
|
|
|
|
|
|
#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) {
|
|
netdev_dbg(dev, "Media selection tick, %s, status %08x mode %08x SIA %08x %08x %08x %08x\n",
|
|
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)
|
|
netdev_dbg(dev, "network media monitor CSR6 %08x CSR12 0x%02x\n",
|
|
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)
|
|
netdev_dbg(dev, "Transceiver monitor tick CSR12=%#02x, no media sense\n",
|
|
csr12);
|
|
if (mleaf->type == 4) {
|
|
if (mleaf->media == 3 && (csr12 & 0x02))
|
|
goto select_next_media;
|
|
}
|
|
break;
|
|
}
|
|
if (tulip_debug > 2)
|
|
netdev_dbg(dev, "Transceiver monitor tick: CSR12=%#02x bit %d is %d, expecting %d\n",
|
|
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)
|
|
netdev_dbg(dev, "Link beat detected for %s\n",
|
|
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)
|
|
netdev_dbg(dev, "No link beat on media %s, trying transceiver type %s\n",
|
|
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) {
|
|
dev_info(&dev->dev, "MXIC negotiation status %08x\n",
|
|
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)
|
|
netdev_dbg(dev, "Comet link status %04x partner capability %04x\n",
|
|
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));
|
|
}
|
|
|