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

suspend/resume for ds1 driver

Browse Source 
PR:		misc/20891
Submitted by:	Ira L. Cooper <ira@mit.edu>
This commit is contained in:
cg 2000-08-29 20:50:42 +00:00
parent 6ee80831a1
commit 0ee01daa5c
1 changed files with 51 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
sys/dev/sound/pci/ds1.c
View File

@ -114,6 +114,7 @@ struct sc_info {
int regid, irqid;
void *ih;
void *regbase;
u_int32_t *pbase, pbankbase, pbanksize;
volatile struct pbank *pbank[2 * 64];
volatile struct rbank *rbank;
@ -215,6 +216,14 @@ static pcm_channel ds_pchantemplate = {
ds1pchan_trigger,
ds1pchan_getptr,
ds1pchan_getcaps,
NULL, /* free */
NULL, /* nop1 */
NULL, /* nop2 */
NULL, /* nop3 */
NULL, /* nop4 */
NULL, /* nop5 */
NULL, /* nop6 */
NULL, /* nop7 */
};
static pcm_channel ds_rchantemplate = {
@ -226,6 +235,14 @@ static pcm_channel ds_rchantemplate = {
ds1rchan_trigger,
ds1rchan_getptr,
ds1rchan_getcaps,
NULL, /* free */
NULL, /* nop1 */
NULL, /* nop2 */
NULL, /* nop3 */
NULL, /* nop4 */
NULL, /* nop5 */
NULL, /* nop6 */
NULL, /* nop7 */
};
/* -------------------------------------------------------------------- */
@ -819,14 +836,18 @@ ds_init(struct sc_info *sc)
memsz = 64 * 2 * pcs + 2 * 2 * rcs + 5 * 2 * ecs + ws;
memsz += (64 + 1) * 4;
if (bus_dmamem_alloc(sc->parent_dmat, &buf, BUS_DMA_NOWAIT, &map))
return -1;
if (bus_dmamap_load(sc->parent_dmat, map, buf, memsz, ds_setmap, sc, 0)
|| !sc->ctrlbase) {
device_printf(sc->dev, "pcs=%d, rcs=%d, ecs=%d, ws=%d, memsz=%d\n",
pcs, rcs, ecs, ws, memsz);
return -1;
}
if (sc->regbase == NULL) {
if (bus_dmamem_alloc(sc->parent_dmat, &buf, BUS_DMA_NOWAIT, &map))
return -1;
if (bus_dmamap_load(sc->parent_dmat, map, buf, memsz, ds_setmap, sc, 0)
|| !sc->ctrlbase) {
device_printf(sc->dev, "pcs=%d, rcs=%d, ecs=%d, ws=%d, memsz=%d\n",
pcs, rcs, ecs, ws, memsz);
return -1;
}
sc->regbase = buf;
} else
buf = sc->regbase;
cb = 0;
t = buf;
@ -938,6 +959,7 @@ ds_pci_attach(device_t dev)
goto bad;
}
sc->regbase = NULL;
if (ds_init(sc) == -1) {
device_printf(dev, "unable to initialize the card\n");
goto bad;
@ -981,11 +1003,31 @@ ds_pci_attach(device_t dev)
return ENXIO;
}
static int
ds_pci_resume(device_t dev)
{
snddev_info *d;
struct sc_info *sc;
d = device_get_softc(dev);
sc = pcm_getdevinfo(dev);
if (ds_init(sc) == -1) {
device_printf(dev, "unable to reinitialize the card\n");
return ENXIO;
}
if (mixer_reinit(d) == -1) {
device_printf(dev, "unable to reinitialize the mixer\n");
return ENXIO;
}
return 0;
}
static device_method_t ds1_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ds_pci_probe),
DEVMETHOD(device_attach, ds_pci_attach),
DEVMETHOD(device_resume, ds_pci_resume),
{ 0, 0 }
};