d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Allocate memory resource to access the attribute memory of a card.

Browse Source 
Reviewed by:	imp
This commit is contained in:
tanimura 2000-09-25 06:01:42 +00:00
parent d375eaba6b
commit 25b044e9f1
1 changed files with 21 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
sys/dev/ed/if_ed_pccard.c
View File

@ -39,6 +39,8 @@
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <net/ethernet.h>
#include <net/if.h>
@ -48,10 +50,7 @@
#include <dev/ed/if_edreg.h>
#include <dev/ed/if_edvar.h>
#include <dev/pccard/pccardvar.h>
#include <pccard/cardinfo.h>
#include <pccard/slot.h>
#define CARD_MAJOR 50
#include "card_if.h"
/*
* PC-Card (PCMCIA) specific code.
@ -62,7 +61,6 @@ static int ed_pccard_detach(device_t);
static void ax88190_geteprom(struct ed_softc *);
static int ed_pccard_memwrite(device_t dev, off_t offset, u_char byte);
static int ed_pccard_memread(device_t dev, off_t offset, u_char *buf, int size);
static int linksys;
static device_method_t ed_pccard_methods[] = {
@ -126,11 +124,9 @@ ed_pccard_probe(device_t dev)
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) {
/* Special setup for AX88190 */
u_char rdbuf[4];
int iobase;
int attr_ioport;
/* XXX Allocate the port resource during setup. */
/* Allocate the port resource during setup. */
error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS);
if (error)
return (error);
@ -141,20 +137,13 @@ ed_pccard_probe(device_t dev)
sc->chip_type = ED_CHIP_TYPE_AX88190;
/*
* Check & Set Attribute Memory IOBASE Register
* Set Attribute Memory IOBASE Register
*/
ed_pccard_memread(dev, ED_AX88190_IOBASE0, rdbuf, 4);
attr_ioport = rdbuf[2] << 8 | rdbuf[0];
iobase = rman_get_start(sc->port_res);
if (attr_ioport != iobase) {
#if notdef
printf("AX88190 IOBASE MISMATCH %04x -> %04x Setting\n", attr_ioport, iobase);
#endif /* notdef */
ed_pccard_memwrite(dev, ED_AX88190_IOBASE0,
iobase & 0xff);
ed_pccard_memwrite(dev, ED_AX88190_IOBASE1,
(iobase >> 8) & 0xff);
}
ed_pccard_memwrite(dev, ED_AX88190_IOBASE0,
iobase & 0xff);
ed_pccard_memwrite(dev, ED_AX88190_IOBASE1,
(iobase >> 8) & 0xff);
ax88190_geteprom(sc);
ed_release_resources(dev);
@ -169,9 +158,11 @@ ed_pccard_probe(device_t dev)
if (error == 0)
goto end;
ed_release_resources(dev);
goto end2;
end:
linksys = ed_get_Linksys(dev);
end2:
if (error == 0)
error = ed_alloc_irq(dev, 0, 0);
@ -265,53 +256,21 @@ ax88190_geteprom(struct ed_softc *sc)
sc->arpcom.ac_enaddr[5] = prom[2] >> 8;
}
/* XXX: Warner-san, any plan to provide access to the attribute memory? */
static int
ed_pccard_memwrite(device_t dev, off_t offset, u_char byte)
{
struct pccard_devinfo *devi;
dev_t d;
struct iovec iov;
struct uio uios;
int cis_rid;
struct resource *cis;
devi = device_get_ivars(dev);
cis_rid = 0;
cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0, 4 << 10, RF_ACTIVE | RF_SHAREABLE);
if (cis == NULL)
return (ENXIO);
CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, cis_rid, PCCARD_A_MEM_ATTR);
iov.iov_base = &byte;
iov.iov_len = sizeof(byte);
bus_space_write_1(rman_get_bustag(cis), rman_get_bushandle(cis), offset, byte);
uios.uio_iov = &iov;
uios.uio_iovcnt = 1;
uios.uio_offset = offset;
uios.uio_resid = sizeof(byte);
uios.uio_segflg = UIO_SYSSPACE;
uios.uio_rw = UIO_WRITE;
uios.uio_procp = 0;
bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
d = makedev(CARD_MAJOR, devi->slt->slotnum);
return devsw(d)->d_write(d, &uios, 0);
}
static int
ed_pccard_memread(device_t dev, off_t offset, u_char *buf, int size)
{
struct pccard_devinfo *devi;
dev_t d;
struct iovec iov;
struct uio uios;
devi = device_get_ivars(dev);
iov.iov_base = buf;
iov.iov_len = size;
uios.uio_iov = &iov;
uios.uio_iovcnt = 1;
uios.uio_offset = offset;
uios.uio_resid = size;
uios.uio_segflg = UIO_SYSSPACE;
uios.uio_rw = UIO_READ;
uios.uio_procp = 0;
d = makedev(CARD_MAJOR, devi->slt->slotnum);
return devsw(d)->d_read(d, &uios, 0);
return (0);
}