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Convert the PCI ID selection from a simple if into a table.

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Mark the table with PNP info.
Fix compilation by returning FILTER_STRAY in two places, as suggested by comments.
Create a simple module from this. Left unconnected because I can't test it as a module.
This commit is contained in:
Warner Losh 2018-03-23 15:35:19 +00:00
parent f0df5e27ce
commit b0a5c98898
2 changed files with 35 additions and 7 deletions
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33
sys/dev/adlink/adlink.c
View File

@ -137,7 +137,7 @@ adlink_intr(void *arg)
sc = arg;
u = bus_read_4(sc->res[0], 0x38);
if (!(u & 0x00800000))
return; // XXX - FILTER_STRAY?
return (FILTER_STRAY);
bus_write_4(sc->res[0], 0x38, u | 0x003f4000);
sc->sample += sc->p0->chunksize / 2;
@ -150,7 +150,7 @@ adlink_intr(void *arg)
if (sc->p0->state != STATE_RUN) {
printf("adlink: stopping %d\n", sc->p0->state);
return; // XXX - FILTER_STRAY?
return (FILTER_STRAY);
}
pg = pg->next;
@ -346,14 +346,32 @@ adlink_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct threa
static devclass_t adlink_devclass;
struct pci_id
{
uint16_t vendor;
uint16_t device;
const char *desc;
} adlink_id[] = {
{ .vendor = 0x10e8, .device = 0x80da,
.desc ="Adlink PCI-9812 4 ch 12 bit 20 msps" }
};
static int
adlink_probe(device_t self)
{
int i;
uint16_t vendor, device;
if (pci_get_devid(self) != 0x80da10e8)
return (ENXIO);
device_set_desc(self, "Adlink PCI-9812 4 ch 12 bit 20 msps");
return (BUS_PROBE_DEFAULT);
vendor = pci_get_vendor(self);
device = pci_get_device(self);
for (i = 0; i < nitems(adlink_id); i++) {
if (adlink_id[i].vendor == vendor &&
adlink_id[i].device == device) {
device_set_desc(self, adlink_id[i].desc);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static struct resource_spec adlink_res_spec[] = {
@ -420,5 +438,6 @@ static driver_t adlink_driver = {
};
DRIVER_MODULE(adlink, pci, adlink_driver, adlink_devclass, 0, 0);
MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, adlink, adlink_id, sizeof(adlink_id[0]),
nitems(adlink_id));
#endif /* _KERNEL */

9
sys/modules/adlink/Makefile Normal file
View File

@ -0,0 +1,9 @@
# $FreeBSD$
.PATH: ${SRCTOP}/sys/dev/adlink
KMOD= adlink
SRCS= adlink.c \
device_if.h bus_if.h
.include <bsd.kmod.mk>