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Replace long delay with sleep.

This commit is contained in:
enami 2000-01-25 09:17:35 +00:00
parent 012a23a770
commit 5cb9984dd0
1 changed files with 40 additions and 5 deletions
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45
sys/dev/ic/i82365.c
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@ -1,4 +1,4 @@
/* $NetBSD: i82365.c,v 1.29 2000/01/25 09:14:27 enami Exp $ */
/* $NetBSD: i82365.c,v 1.30 2000/01/25 09:17:35 enami Exp $ */
#define PCICDEBUG
@ -94,6 +94,7 @@ void pcic_queue_event __P((struct pcic_handle *, int));
void pcic_power __P((int, void *));
static void pcic_wait_ready __P((struct pcic_handle *));
static void pcic_delay __P((struct pcic_handle *, int, const char *));
static u_int8_t st_pcic_read __P((struct pcic_handle *, int));
static void st_pcic_write __P((struct pcic_handle *, int, u_int8_t));
@ -1312,6 +1313,34 @@ pcic_wait_ready(h)
#endif
}
/*
* Perform long (msec order) delay.
*/
static void
pcic_delay(h, timo, ident)
struct pcic_handle *h;
int timo; /* in ms. must not be zero */
const char *ident;
{
#ifdef DIAGNOSTIC
if (timo <= 0) {
printf("called with timeout %d\n", timo);
panic("pcic_delay");
}
if (curproc == NULL) {
printf("called in interrupt context\n");
panic("pcic_delay");
}
if (h->event_thread == NULL) {
printf("no event thread\n");
panic("pcic_delay");
}
#endif
DPRINTF(("pcic_delay: %p, sleep %d ms\n", h->event_thread, timo));
tsleep(pcic_delay, PWAIT, ident, roundup(timo * hz, 1000) / 1000);
}
void
pcic_chip_socket_enable(pch)
pcmcia_chipset_handle_t pch;
@ -1329,7 +1358,7 @@ pcic_chip_socket_enable(pch)
* wait 300ms until power fails (Tpf). Then, wait 100ms since
* we are changing Vcc (Toff).
*/
delay((300 + 100) * 1000);
pcic_delay(h, 300 + 100, "pccen0");
#ifdef VADEM_POWER_HACK
bus_space_write_1(sc->iot, sc->ioh, PCIC_REG_INDEX, 0x0e);
@ -1353,7 +1382,7 @@ pcic_chip_socket_enable(pch)
* some machines require some more time to be settled
* (300ms is added here).
*/
delay((100 + 20 + 300) * 1000);
pcic_delay(h, 100 + 20 + 300, "pccen1");
pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_DISABLE_RESETDRV | PCIC_PWRCTL_OE
| PCIC_PWRCTL_PWR_ENABLE);
@ -1370,7 +1399,7 @@ pcic_chip_socket_enable(pch)
/* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
delay(20000);
pcic_delay(h, 20, "pccen2");
/* wait for the chip to finish initializing */
@ -1426,10 +1455,16 @@ pcic_chip_socket_disable(pch)
pcic_write(h, PCIC_PWRCTL, 0);
#if 0
/*
* This constraint is kept in pcic_chip_socket_enable.
* When we enable the same card slot, we first turn off the
* power and wait enough time. So we don't need to wait here.
*
* wait 300ms until power fails (Tpf).
*/
delay(300 * 1000);
pcic_delay(h, 300, "pcicdis");
#endif
}
static u_int8_t