d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
9e8c2fbfa0
freebsd-skq/sys/dev/pccard/pccard.c
Warner Losh deae2aaf91 Checkpoint of today's changes. We now get to the point where the pccard 
layer is trying to access the now unexistant chip functions.
o Added DEVPRINTF which is like DPRINTF only calls device_printf.
o Made it possible to define PCICDEBUG
o Remove ph_parent and use the softc pointer sc instead in pcic_handle.
o Remove all references to dv_xname
o Add some debug messages.
o enable MI attach/detach calling for pccard.
o convert pcic_chip_socket_{en,dis}able to pcic_{dis,en}able_socket
  and connect them to the power_{enable,disbale}_socket.
o Remove pccard pointer from pcic_softc.
o GC some unused pccard functions.
o Convert pccard_chip_socket* to POWER_ENABLE_SOCKET
o kill pccard_attach_args.
o power_if.m updates.  More to come.
2000-01-06 07:30:28 +00:00

988 lines
24 KiB
C
Raw Blame History

/* $NetBSD: pcmcia.c,v 1.13 1998/12/24 04:51:59 marc Exp $ */
/* $FreeBSD$ */
/*
* Copyright (c) 1997 Marc Horowitz. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Marc Horowitz.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/kernel.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <dev/pccard/pccardreg.h>
#include <dev/pccard/pccardchip.h>
#include <dev/pccard/pccardvar.h>
#include "power_if.h"
#define PCCARDDEBUG
#ifdef PCCARDDEBUG
int pccard_debug = 1;
#define DPRINTF(arg) if (pccard_debug) printf arg
#define DEVPRINTF(arg) if (pccard_debug) device_printf arg
int pccardintr_debug = 0;
/* this is done this way to avoid doing lots of conditionals
at interrupt level. */
#define PCCARD_CARD_INTR (pccardintr_debug?pccard_card_intrdebug:pccard_card_intr)
#else
#define DPRINTF(arg)
#define DEVPRINTF(arg)
#define PCCARD_CARD_INTR (pccard_card_intr)
#endif
#ifdef PCCARDVERBOSE
int pccard_verbose = 1;
#else
int pccard_verbose = 0;
#endif
int pccard_print(void *, const char *);
int pccard_card_intr(void *);
#ifdef PCCARDDEBUG
int pccard_card_intrdebug(void *);
#endif
/* XXX Shouldn't be touching hardware, that's a layering violation */
/* XXX imp */
int
pccard_ccr_read(pf, ccr)
struct pccard_function *pf;
int ccr;
{
return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh,
pf->pf_ccr_offset + ccr));
}
void
pccard_ccr_write(pf, ccr, val)
struct pccard_function *pf;
int ccr;
int val;
{
if ((pf->ccr_mask) & (1 << (ccr / 2))) {
bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh,
pf->pf_ccr_offset + ccr, val);
}
}
int
pccard_card_attach(device_t dev)
{
struct pccard_softc *sc = (struct pccard_softc *)
device_get_softc(dev);
struct pccard_function *pf;
int attached;
DEVPRINTF((dev, "pccard_card_attach\n"));
/*
* this is here so that when socket_enable calls gettype, trt happens
*/
STAILQ_INIT(&sc->card.pf_head);
DEVPRINTF((dev, "chip_socket_enable\n"));
POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
DEVPRINTF((dev, "read_cis\n"));
pccard_read_cis(sc);
DEVPRINTF((dev, "chip_socket_disable\n"));
POWER_DISABLE_SOCKET(device_get_parent(dev), dev);
DEVPRINTF((dev, "check_cis_quirks\n"));
pccard_check_cis_quirks(dev);
/*
* bail now if the card has no functions, or if there was an error in
* the cis.
*/
if (sc->card.error)
return (1);
if (STAILQ_EMPTY(&sc->card.pf_head))
return (1);
if (pccard_verbose)
pccard_print_cis(dev);
attached = 0;
DEVPRINTF((dev, "functions scanning\n"));
STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
if (STAILQ_EMPTY(&pf->cfe_head))
continue;
#ifdef DIAGNOSTIC
if (pf->child != NULL) {
device_printf(sc->dev,
"%s still attached to function %d!\n",
device_get_name(pf->child), pf->number);
panic("pccard_card_attach");
}
#endif
pf->sc = sc;
pf->child = NULL;
pf->cfe = NULL;
pf->ih_fct = NULL;
pf->ih_arg = NULL;
}
STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
if (STAILQ_EMPTY(&pf->cfe_head))
continue;
#if XXX
if (attach_child()) {
attached++;
DEVPRINTF((sc->dev, "function %d CCR at %d "
"offset %lx: %x %x %x %x, %x %x %x %x, %x\n",
pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
pccard_ccr_read(pf, 0x00),
pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
}
#endif
}
return (attached ? 0 : 1);
}
void
pccard_card_detach(device_t dev, int flags)
{
struct pccard_softc *sc = (struct pccard_softc *)
device_get_softc(dev);
struct pccard_function *pf;
#if XXX
int error;
#endif
/*
* We are running on either the PCCARD socket's event thread
* or in user context detaching a device by user request.
*/
STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
if (STAILQ_FIRST(&pf->cfe_head) == NULL)
continue;
if (pf->child == NULL)
continue;
DEVPRINTF((sc->dev, "detaching %s (function %d)\n",
device_get_name(pf->child), pf->number));
#if XXX
if ((error = config_detach(pf->child, flags)) != 0) {
device_printf(sc->dev,
"error %d detaching %s (function %d)\n",
error, device_get_name(pf->child), pf->number);
} else
pf->child = NULL;
#endif
}
}
void
pccard_card_deactivate(device_t dev)
{
struct pccard_softc *sc = (struct pccard_softc *)
device_get_softc(dev);
struct pccard_function *pf;
/*
* We're in the chip's card removal interrupt handler.
* Deactivate the child driver. The PCCARD socket's
* event thread will run later to finish the detach.
*/
STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
if (STAILQ_FIRST(&pf->cfe_head) == NULL)
continue;
if (pf->child == NULL)
continue;
DEVPRINTF((sc->dev, "deactivating %s (function %d)\n",
device_get_name(pf->child), pf->number));
#if XXX
config_deactivate(pf->child);
#endif
}
}
int
pccard_card_gettype(device_t dev)
{
struct pccard_softc *sc = (struct pccard_softc *)
device_get_softc(dev);
struct pccard_function *pf;
/*
* set the iftype to memory if this card has no functions (not yet
* probed), or only one function, and that is not initialized yet or
* that is memory.
*/
pf = STAILQ_FIRST(&sc->card.pf_head);
if (pf == NULL ||
(STAILQ_NEXT(pf, pf_list) == NULL &&
(pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY)))
return (PCCARD_IFTYPE_MEMORY);
else
return (PCCARD_IFTYPE_IO);
}
/*
* Initialize a PCCARD function. May be called as long as the function is
* disabled.
*/
void
pccard_function_init(pf, cfe)
struct pccard_function *pf;
struct pccard_config_entry *cfe;
{
if (pf->pf_flags & PFF_ENABLED)
panic("pccard_function_init: function is enabled");
/* Remember which configuration entry we are using. */
pf->cfe = cfe;
}
/* Enable a PCCARD function */
int
pccard_function_enable(pf)
struct pccard_function *pf;
{
struct pccard_function *tmp;
int reg;
if (pf->cfe == NULL)
panic("pccard_function_enable: function not initialized");
/*
* Increase the reference count on the socket, enabling power, if
* necessary.
*/
if (pf->sc->sc_enabled_count++ == 0)
POWER_ENABLE_SOCKET(device_get_parent(pf->sc->dev),
pf->sc->dev);
DEVPRINTF((pf->sc->dev, "++enabled_count = %d\n",
pf->sc->sc_enabled_count));
if (pf->pf_flags & PFF_ENABLED) {
/*
* Don't do anything if we're already enabled.
*/
return (0);
}
/*
* it's possible for different functions' CCRs to be in the same
* underlying page. Check for that.
*/
STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
if ((tmp->pf_flags & PFF_ENABLED) &&
(pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
((pf->ccr_base + PCCARD_CCR_SIZE) <=
(tmp->ccr_base - tmp->pf_ccr_offset +
tmp->pf_ccr_realsize))) {
pf->pf_ccrt = tmp->pf_ccrt;
pf->pf_ccrh = tmp->pf_ccrh;
pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
/*
* pf->pf_ccr_offset = (tmp->pf_ccr_offset -
* tmp->ccr_base) + pf->ccr_base;
*/
pf->pf_ccr_offset =
(tmp->pf_ccr_offset + pf->ccr_base) -
tmp->ccr_base;
pf->pf_ccr_window = tmp->pf_ccr_window;
break;
}
}
if (tmp == NULL) {
if (pccard_mem_alloc(pf, PCCARD_CCR_SIZE, &pf->pf_pcmh))
goto bad;
if (pccard_mem_map(pf, PCCARD_MEM_ATTR, pf->ccr_base,
PCCARD_CCR_SIZE, &pf->pf_pcmh, &pf->pf_ccr_offset,
&pf->pf_ccr_window)) {
pccard_mem_free(pf, &pf->pf_pcmh);
goto bad;
}
}
reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
reg |= PCCARD_CCR_OPTION_LEVIREQ;
if (pccard_mfc(pf->sc)) {
reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
PCCARD_CCR_OPTION_ADDR_DECODE);
if (pf->ih_fct)
reg |= PCCARD_CCR_OPTION_IREQ_ENABLE;
}
pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
reg = 0;
if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
reg |= PCCARD_CCR_STATUS_IOIS8;
if (pf->cfe->flags & PCCARD_CFE_AUDIO)
reg |= PCCARD_CCR_STATUS_AUDIO;
pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
if (pccard_mfc(pf->sc)) {
long tmp, iosize;
tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
/* round up to nearest (2^n)-1 */
for (iosize = 1; iosize < tmp; iosize <<= 1)
;
iosize--;
pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
pf->pf_mfc_iobase & 0xff);
pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
(pf->pf_mfc_iobase >> 8) & 0xff);
pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
}
#ifdef PCCARDDEBUG
if (pccard_debug) {
STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
device_printf(tmp->sc->dev,
"function %d CCR at %d offset %x: "
"%x %x %x %x, %x %x %x %x, %x\n",
tmp->number, tmp->pf_ccr_window,
tmp->pf_ccr_offset,
pccard_ccr_read(tmp, 0x00),
pccard_ccr_read(tmp, 0x02),
pccard_ccr_read(tmp, 0x04),
pccard_ccr_read(tmp, 0x06),
pccard_ccr_read(tmp, 0x0A),
pccard_ccr_read(tmp, 0x0C),
pccard_ccr_read(tmp, 0x0E),
pccard_ccr_read(tmp, 0x10),
pccard_ccr_read(tmp, 0x12));
}
}
#endif
pf->pf_flags |= PFF_ENABLED;
return (0);
bad:
/*
* Decrement the reference count, and power down the socket, if
* necessary.
*/
if (--pf->sc->sc_enabled_count == 0)
POWER_DISABLE_SOCKET(device_get_parent(pf->sc->dev),
pf->sc->dev);
DEVPRINTF((pf->sc->dev, "--enabled_count = %d\n",
pf->sc->sc_enabled_count));
return (1);
}
/* Disable PCCARD function. */
void
pccard_function_disable(pf)
struct pccard_function *pf;
{
struct pccard_function *tmp;
if (pf->cfe == NULL)
panic("pccard_function_enable: function not initialized");
if ((pf->pf_flags & PFF_ENABLED) == 0) {
/*
* Don't do anything if we're already disabled.
*/
return;
}
/*
* it's possible for different functions' CCRs to be in the same
* underlying page. Check for that. Note we mark us as disabled
* first to avoid matching ourself.
*/
pf->pf_flags &= ~PFF_ENABLED;
STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
if ((tmp->pf_flags & PFF_ENABLED) &&
(pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
((pf->ccr_base + PCCARD_CCR_SIZE) <=
(tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize)))
break;
}
/* Not used by anyone else; unmap the CCR. */
if (tmp == NULL) {
pccard_mem_unmap(pf, pf->pf_ccr_window);
pccard_mem_free(pf, &pf->pf_pcmh);
}
/*
* Decrement the reference count, and power down the socket, if
* necessary.
*/
if (--pf->sc->sc_enabled_count == 0)
POWER_DISABLE_SOCKET(device_get_parent(pf->sc->dev),
pf->sc->dev);
DEVPRINTF((pf->sc->dev, "--enabled_count = %d\n",
pf->sc->sc_enabled_count));
}
int
pccard_io_map(pf, width, offset, size, pcihp, windowp)
struct pccard_function *pf;
int width;
bus_addr_t offset;
bus_size_t size;
struct pccard_io_handle *pcihp;
int *windowp;
{
int reg;
if (pccard_chip_io_map(pf->sc->pct, pf->sc->pch,
width, offset, size, pcihp, windowp))
return (1);
/*
* XXX in the multifunction multi-iospace-per-function case, this
* needs to cooperate with io_alloc to make sure that the spaces
* don't overlap, and that the ccr's are set correctly
*/
if (pccard_mfc(pf->sc)) {
long tmp, iosize;
if (pf->pf_mfc_iomax == 0) {
pf->pf_mfc_iobase = pcihp->addr + offset;
pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
} else {
/* this makes the assumption that nothing overlaps */
if (pf->pf_mfc_iobase > pcihp->addr + offset)
pf->pf_mfc_iobase = pcihp->addr + offset;
if (pf->pf_mfc_iomax < pcihp->addr + offset + size)
pf->pf_mfc_iomax = pcihp->addr + offset + size;
}
tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
/* round up to nearest (2^n)-1 */
for (iosize = 1; iosize >= tmp; iosize <<= 1)
;
iosize--;
pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
pf->pf_mfc_iobase & 0xff);
pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
(pf->pf_mfc_iobase >> 8) & 0xff);
pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION);
reg |= PCCARD_CCR_OPTION_ADDR_DECODE;
pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
}
return (0);
}
void
pccard_io_unmap(pf, window)
struct pccard_function *pf;
int window;
{
pccard_chip_io_unmap(pf->sc->pct, pf->sc->pch, window);
/* XXX Anything for multi-function cards? */
}
void *
pccard_intr_establish(pf, ipl, ih_fct, ih_arg)
struct pccard_function *pf;
int ipl;
int (*ih_fct)(void *);
void *ih_arg;
{
void *ret;
/* behave differently if this is a multifunction card */
if (pccard_mfc(pf->sc)) {
int s, ihcnt, hiipl, reg;
struct pccard_function *pf2;
/*
* mask all the ipl's which are already used by this card,
* and find the highest ipl number (lowest priority)
*/
ihcnt = 0;
s = 0; /* this is only here to keep the compiler
happy */
hiipl = 0; /* this is only here to keep the compiler
happy */
STAILQ_FOREACH(pf2, &pf->sc->card.pf_head, pf_list) {
if (pf2->ih_fct) {
DEVPRINTF((pf2->sc->dev,
"function %d has ih_fct %p\n",
pf2->number, pf2->ih_fct));
if (ihcnt == 0) {
hiipl = pf2->ih_ipl;
} else {
if (pf2->ih_ipl > hiipl)
hiipl = pf2->ih_ipl;
}
ihcnt++;
}
}
/*
* establish the real interrupt, changing the ipl if
* necessary
*/
if (ihcnt == 0) {
#ifdef DIAGNOSTIC
if (pf->sc->ih != NULL)
panic("card has intr handler, but no function does");
#endif
s = splhigh();
/* set up the handler for the new function */
pf->ih_fct = ih_fct;
pf->ih_arg = ih_arg;
pf->ih_ipl = ipl;
pf->sc->ih = pccard_chip_intr_establish(pf->sc->pct,
pf->sc->pch, pf, ipl, PCCARD_CARD_INTR, pf->sc);
splx(s);
} else if (ipl > hiipl) {
#ifdef DIAGNOSTIC
if (pf->sc->ih == NULL)
panic("functions have ih, but the card does not");
#endif
/* XXX need #ifdef for splserial on x86 */
s = splhigh();
pccard_chip_intr_disestablish(pf->sc->pct, pf->sc->pch,
pf->sc->ih);
/* set up the handler for the new function */
pf->ih_fct = ih_fct;
pf->ih_arg = ih_arg;
pf->ih_ipl = ipl;
pf->sc->ih = pccard_chip_intr_establish(pf->sc->pct,
pf->sc->pch, pf, ipl, PCCARD_CARD_INTR, pf->sc);
splx(s);
} else {
s = splhigh();
/* set up the handler for the new function */
pf->ih_fct = ih_fct;
pf->ih_arg = ih_arg;
pf->ih_ipl = ipl;
splx(s);
}
ret = pf->sc->ih;
if (ret != NULL) {
reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION);
reg |= PCCARD_CCR_OPTION_IREQ_ENABLE;
pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
reg |= PCCARD_CCR_STATUS_INTRACK;
pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
}
} else {
ret = pccard_chip_intr_establish(pf->sc->pct, pf->sc->pch,
pf, ipl, ih_fct, ih_arg);
}
return (ret);
}
void
pccard_intr_disestablish(pf, ih)
struct pccard_function *pf;
void *ih;
{
/* behave differently if this is a multifunction card */
if (pccard_mfc(pf->sc)) {
int s, ihcnt, hiipl;
struct pccard_function *pf2;
/*
* mask all the ipl's which are already used by this card,
* and find the highest ipl number (lowest priority). Skip
* the current function.
*/
ihcnt = 0;
s = 0; /* this is only here to keep the compipler
happy */
hiipl = 0; /* this is only here to keep the compipler
happy */
STAILQ_FOREACH(pf2, &pf->sc->card.pf_head, pf_list) {
if (pf2 == pf)
continue;
if (pf2->ih_fct) {
if (ihcnt == 0) {
hiipl = pf2->ih_ipl;
} else {
if (pf2->ih_ipl > hiipl)
hiipl = pf2->ih_ipl;
}
ihcnt++;
}
}
/*
* if the ih being removed is lower priority than the lowest
* priority remaining interrupt, up the priority.
*/
/* ihcnt is the number of interrupt handlers *not* including
the one about to be removed. */
if (ihcnt == 0) {
int reg;
#ifdef DIAGNOSTIC
if (pf->sc->ih == NULL)
panic("disestablishing last function, but card has no ih");
#endif
pccard_chip_intr_disestablish(pf->sc->pct, pf->sc->pch,
pf->sc->ih);
reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION);
reg &= ~PCCARD_CCR_OPTION_IREQ_ENABLE;
pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
pf->ih_fct = NULL;
pf->ih_arg = NULL;
pf->sc->ih = NULL;
} else if (pf->ih_ipl > hiipl) {
#ifdef DIAGNOSTIC
if (pf->sc->ih == NULL)
panic("changing ih ipl, but card has no ih");
#endif
/* XXX need #ifdef for splserial on x86 */
s = splhigh();
pccard_chip_intr_disestablish(pf->sc->pct, pf->sc->pch,
pf->sc->ih);
pf->sc->ih = pccard_chip_intr_establish(pf->sc->pct,
pf->sc->pch, pf, hiipl, PCCARD_CARD_INTR, pf->sc);
/* null out the handler for this function */
pf->ih_fct = NULL;
pf->ih_arg = NULL;
splx(s);
} else {
s = splhigh();
pf->ih_fct = NULL;
pf->ih_arg = NULL;
splx(s);
}
} else {
pccard_chip_intr_disestablish(pf->sc->pct, pf->sc->pch, ih);
}
}
int
pccard_card_intr(arg)
void *arg;
{
struct pccard_softc *sc = arg;
struct pccard_function *pf;
int reg, ret, ret2;
ret = 0;
STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
if (pf->ih_fct != NULL &&
(pf->ccr_mask & (1 << (PCCARD_CCR_STATUS / 2)))) {
reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
if (reg & PCCARD_CCR_STATUS_INTR) {
ret2 = (*pf->ih_fct)(pf->ih_arg);
if (ret2 != 0 && ret == 0)
ret = ret2;
reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
pccard_ccr_write(pf, PCCARD_CCR_STATUS,
reg & ~PCCARD_CCR_STATUS_INTR);
}
}
}
return (ret);
}
#ifdef PCCARDDEBUG
int
pccard_card_intrdebug(arg)
void *arg;
{
struct pccard_softc *sc = arg;
struct pccard_function *pf;
int reg, ret, ret2;
ret = 0;
STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
device_printf(sc->dev,
"intr flags=%x fct=%d cor=%02x csr=%02x pin=%02x",
pf->pf_flags, pf->number,
pccard_ccr_read(pf, PCCARD_CCR_OPTION),
pccard_ccr_read(pf, PCCARD_CCR_STATUS),
pccard_ccr_read(pf, PCCARD_CCR_PIN));
if (pf->ih_fct != NULL &&
(pf->ccr_mask & (1 << (PCCARD_CCR_STATUS / 2)))) {
reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
if (reg & PCCARD_CCR_STATUS_INTR) {
ret2 = (*pf->ih_fct)(pf->ih_arg);
if (ret2 != 0 && ret == 0)
ret = ret2;
reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
printf("; csr %02x->%02x",
reg, reg & ~PCCARD_CCR_STATUS_INTR);
pccard_ccr_write(pf, PCCARD_CCR_STATUS,
reg & ~PCCARD_CCR_STATUS_INTR);
}
}
printf("\n");
}
return (ret);
}
#endif
#define PCCARD_NPORT 2
#define PCCARD_NMEM 5
#define PCCARD_NIRQ 1
#define PCCARD_NDRQ 0
static int
pccard_add_children(device_t dev, int busno)
{
return 0;
}
static int
pccard_probe(device_t dev)
{
device_set_desc(dev, "PC Card bus -- newconfig version");
return pccard_add_children(dev, device_get_unit(dev));
}
static void
pccard_print_resources(struct resource_list *rl, const char *name, int type,
int count, const char *format)
{
struct resource_list_entry *rle;
int printed;
int i;
printed = 0;
for (i = 0; i < count; i++) {
rle = resource_list_find(rl, type, i);
if (rle) {
if (printed == 0)
printf(" %s ", name);
else if (printed > 0)
printf(",");
printed++;
printf(format, rle->start);
if (rle->count > 1) {
printf("-");
printf(format, rle->start + rle->count - 1);
}
} else if (i > 3) {
/* check the first few regardless */
break;
}
}
}
static int
pccard_print_child(device_t dev, device_t child)
{
struct pccard_ivar *devi = (struct pccard_ivar *) device_get_ivars(child);
struct resource_list *rl = &devi->resources;
int retval = 0;
retval += bus_print_child_header(dev, child);
retval += printf(" at");
if (devi) {
pccard_print_resources(rl, "port", SYS_RES_IOPORT,
PCCARD_NPORT, "%#lx");
pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
PCCARD_NMEM, "%#lx");
pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
"%ld");
pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
"%ld");
retval += printf(" slot %d", devi->slotnum);
}
retval += bus_print_child_footer(dev, child);
return (retval);
}
static int
pccard_set_resource(device_t dev, device_t child, int type, int rid,
u_long start, u_long count)
{
struct pccard_ivar *devi = (struct pccard_ivar *) device_get_ivars(child);
struct resource_list *rl = &devi->resources;
if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
&& type != SYS_RES_IRQ && type != SYS_RES_DRQ)
return EINVAL;
if (rid < 0)
return EINVAL;
if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
return EINVAL;
if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
return EINVAL;
if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
return EINVAL;
if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
return EINVAL;
resource_list_add(rl, type, rid, start, start + count - 1, count);
return 0;
}
static int
pccard_get_resource(device_t dev, device_t child, int type, int rid,
u_long *startp, u_long *countp)
{
struct pccard_ivar *devi = (struct pccard_ivar *) device_get_ivars(child);
struct resource_list *rl = &devi->resources;
struct resource_list_entry *rle;
rle = resource_list_find(rl, type, rid);
if (!rle)
return ENOENT;
if (startp)
*startp = rle->start;
if (countp)
*countp = rle->count;
return 0;
}
static void
pccard_delete_resource(device_t dev, device_t child, int type, int rid)
{
struct pccard_ivar *devi = (struct pccard_ivar *) device_get_ivars(child);
struct resource_list *rl = &devi->resources;
resource_list_delete(rl, type, rid);
}
static device_method_t pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_probe),
DEVMETHOD(device_attach, bus_generic_attach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* Bus interface */
DEVMETHOD(bus_print_child, pccard_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
DEVMETHOD(bus_set_resource, pccard_set_resource),
DEVMETHOD(bus_get_resource, pccard_get_resource),
DEVMETHOD(bus_delete_resource, pccard_delete_resource),
{ 0, 0 }
};
static driver_t pccard_driver = {
"pccard",
pccard_methods,
1, /* no softc */
};
devclass_t pccard_devclass;
DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0);
DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0);
DRIVER_MODULE(pccard, pccbb, pccard_driver, pccard_devclass, 0, 0);
DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0);
Reference in New Issue View Git Blame Copy Permalink