Add some missing functionality.

- wait READY signal in enable function
 - use tsleep for large delays
 - implement disable function
This commit is contained in:
toshii 2001-03-27 18:06:39 +00:00
parent 7dae264309
commit 221f247a25
3 changed files with 72 additions and 34 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: sa11x1_pcic.c,v 1.3 2001/03/21 17:43:39 toshii Exp $ */
/* $NetBSD: sa11x1_pcic.c,v 1.4 2001/03/27 18:06:39 toshii Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -186,6 +186,19 @@ sacpcic_read(so, reg)
return SAPCIC_CARD_INVALID;
else
return SAPCIC_CARD_VALID;
case SAPCIC_STATUS_VS1:
bit = (so->socket ? SR_S1_VS1 : SR_S0_VS1);
return (bit & cr);
case SAPCIC_STATUS_VS2:
bit = (so->socket ? SR_S1_VS2 : SR_S0_VS2);
return (bit & cr);
case SAPCIC_STATUS_READY:
bit = (so->socket ? SR_S1_READY : SR_S0_READY);
return (bit & cr);
default:
panic("sacpcic_read: bogus register\n");
}

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@ -1,4 +1,4 @@
/* $NetBSD: sa11xx_pcic.c,v 1.2 2001/03/21 16:16:35 toshii Exp $ */
/* $NetBSD: sa11xx_pcic.c,v 1.3 2001/03/27 18:06:39 toshii Exp $ */
/*
* Copyright (c) 2001 IWAMOTO Toshihiro. All rights reserved.
@ -56,8 +56,6 @@
#include <hpcarm/sa11x0/sa11xx_pcicreg.h>
#include <hpcarm/sa11x0/sa11xx_pcicvar.h>
static void sapcic_event_thread(void *);
static int sapcic_mem_alloc(pcmcia_chipset_handle_t, bus_size_t,
struct pcmcia_mem_handle *);
static void sapcic_mem_free(pcmcia_chipset_handle_t,
@ -83,6 +81,10 @@ static void sapcic_intr_disestablish(pcmcia_chipset_handle_t,
static void sapcic_socket_enable(pcmcia_chipset_handle_t);
static void sapcic_socket_disable(pcmcia_chipset_handle_t);
static void sapcic_event_thread(void *);
static void sapcic_delay(int, const char *);
#ifdef DEBUG
#define DPRINTF(arg) printf arg
#else
@ -198,6 +200,19 @@ sapcic_event_thread(arg)
kthread_exit(0);
}
static void
sapcic_delay(timo, wmesg)
int timo; /* in milliseconds */
const char *wmesg;
{
#ifdef DIAGNOSTIC
if (curproc == NULL)
panic("sapcic_delay: called in interrupt context\n");
#endif
tsleep(sapcic_delay, PWAIT, wmesg, roundup(timo * hz, 1000) / 1000);
}
int
sapcic_intr(arg)
void *arg;
@ -249,6 +264,7 @@ sapcic_mem_map(pch, kind, card_addr, size, pmh, offsetp, windowp)
pa = trunc_page(card_addr);
*offsetp = card_addr - pa;
size = round_page(card_addr + size) - pa;
pmh->realsize = size;
pa += SAPCIC_BASE_OFFSET;
pa += SAPCIC_SOCKET_OFFSET * so->socket;
@ -289,14 +305,24 @@ sapcic_io_alloc(pch, start, size, align, pih)
struct pcmcia_io_handle *pih;
{
struct sapcic_socket *so = pch;
int error;
bus_addr_t pa;
memset(pih, 0, sizeof(*pih));
pih->iot = so->sc->sc_iot;
pih->addr = start;
pih->size = size;
pa = pih->addr;
pa += SAPCIC_BASE_OFFSET;
pa += SAPCIC_SOCKET_OFFSET * so->socket;
DPRINTF(("sapcic_io_alloc: %x %x\n", (unsigned int)pa,
(unsigned int)size));
/* XXX Are we ignoring alignment constraints? */
return (0);
error = bus_space_map(so->sc->sc_iot, pa, size, 0, &pih->ioh);
return (error);
}
static void
@ -304,6 +330,9 @@ sapcic_io_free(pch, pih)
pcmcia_chipset_handle_t pch;
struct pcmcia_io_handle *pih;
{
struct sapcic_socket *so = pch;
bus_space_unmap(so->sc->sc_iot, pih->ioh, pih->size);
}
static int
@ -315,28 +344,13 @@ sapcic_io_map(pch, width, offset, size, pih, windowp)
struct pcmcia_io_handle *pih;
int *windowp;
{
struct sapcic_socket *so = pch;
bus_addr_t pa;
int error;
pa = pih->addr + offset;
pa += SAPCIC_BASE_OFFSET;
pa += SAPCIC_SOCKET_OFFSET * so->socket;
DPRINTF(("sapcic_io_map: %x %x\n", (unsigned int)pa, (unsigned int)size));
error = bus_space_map(so->sc->sc_iot, pa, size, 0, &pih->ioh);
if (! error)
*windowp = (int)pih->ioh;
return (error);
return (0);
}
static void sapcic_io_unmap(pch, window)
pcmcia_chipset_handle_t pch;
int window;
{
struct sapcic_socket *so = pch;
bus_space_unmap(so->sc->sc_iot, (bus_addr_t)window, 4096); /* XXX */
}
static void *
@ -368,9 +382,9 @@ static void
sapcic_socket_enable(pch)
pcmcia_chipset_handle_t pch;
{
/* XXX usage of delay() should be decreased */
struct sapcic_socket *so = pch;
int i;
#if defined(DIAGNOSTIC) && defined(notyet)
if (so->flags & PCIC_FLAG_ENABLED)
printf("sapcic_socket_enable: enabling twice\n");
@ -385,7 +399,7 @@ sapcic_socket_enable(pch)
* wait 300ms until power fails (Tpf). Then, wait 100ms since
* we are changing Vcc (Toff).
*/
delay((300 + 100) * 1000);
sapcic_delay(300 + 100, "pccen0");
/* power up the socket */
(so->pcictag->set_power)(so, so->socket ? SAPCIC_POWER_3V : SAPCIC_POWER_5V); /* XXX */
@ -402,7 +416,7 @@ sapcic_socket_enable(pch)
* some machines require some more time to be settled
* (300ms is added here).
*/
delay((100 + 20 + 300) * 1000);
sapcic_delay(100 + 20 + 300, "pccen1");
/* honor nWAIT signal */
(so->pcictag->write)(so, SAPCIC_CONTROL_WAITENABLE, 1);
@ -419,11 +433,16 @@ sapcic_socket_enable(pch)
(so->pcictag->write)(so, SAPCIC_CONTROL_RESET, 0);
/* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
delay(20 * 1000);
sapcic_delay(20, "pccen2");
/* wait for the chip to finish initializing */
/* pcic_wait_ready(h);*/
delay(500 * 1000); /* XXX wait long enough */
sapcic_delay(10, "pccen3");
for(i = 100; i; i--) {
if ((so->pcictag->read)(so, SAPCIC_STATUS_READY))
break;
sapcic_delay(100, "pccen4");
}
DPRINTF(("sapcic_socket_enable: wait ready %d\n", 100 - i));
/* finally enable the interrupt */
@ -433,7 +452,13 @@ static void
sapcic_socket_disable(pch)
pcmcia_chipset_handle_t pch;
{
struct sapcic_socket *so = pch;
/* XXX mask card interrupts */
/* XXX power down the card */
/* XXX float controller lines */
/* power down the card */
(so->pcictag->set_power)(so, SAPCIC_POWER_OFF);
/* float controller lines */
(so->pcictag->write)(so, SAPCIC_CONTROL_LINEENABLE, 0);
}

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@ -1,4 +1,4 @@
/* $NetBSD: sa11xx_pcicvar.h,v 1.1 2001/03/10 19:00:39 toshii Exp $ */
/* $NetBSD: sa11xx_pcicvar.h,v 1.2 2001/03/27 18:06:39 toshii Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -67,9 +67,9 @@ struct sapcic_tag {
#define SAPCIC_STATUS_CARD 0
#define SAPCIC_CARD_VALID 1
#define SAPCIC_CARD_INVALID 0
#define SAPCIC_STATUS_VOLTAGESENSE 1
#define SAPCIC_VS_3V 1
#define SAPCIC_VS_5V 2
#define SAPCIC_STATUS_VS1 1
#define SAPCIC_STATUS_VS2 2
#define SAPCIC_STATUS_READY 3
#define SAPCIC_CONTROL_RESET 8 /* assert RESET */
#define SAPCIC_CONTROL_LINEENABLE 9 /* enable control lines */