int
nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode)
{
struct nouveau_therm_priv *priv = (void *)therm;
struct nouveau_device *device = nv_device(therm);
static const char *name[] = {
"disabled",
"manual",
"automatic"
};
/* The default PPWR ucode on fermi interferes with fan management */
if ((mode >= ARRAY_SIZE(name)) ||
(mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0 &&
!nouveau_subdev(device, NVDEV_SUBDEV_PWR)))
return -EINVAL;
/* do not allow automatic fan management if the thermal sensor is
* not available */
if (mode == NOUVEAU_THERM_CTRL_AUTO && therm->temp_get(therm) < 0)
return -EINVAL;
if (priv->mode == mode)
return 0;
nv_info(therm, "fan management: %s\n", name[mode]);
nouveau_therm_update(therm, mode);
return 0;
}
static irqreturn_t
nouveau_mc_intr(int irq, void *arg)
{
struct nouveau_mc *pmc = arg;
const struct nouveau_mc_intr *map = pmc->intr_map;
struct nouveau_subdev *unit;
u32 stat, intr;
intr = stat = nv_rd32(pmc, 0x000100);
while (stat && map->stat) {
if (stat & map->stat) {
unit = nouveau_subdev(pmc, map->unit);
if (unit && unit->intr)
unit->intr(unit);
intr &= ~map->stat;
}
map++;
}
if (intr) {
nv_error(pmc, "unknown intr 0x%08x\n", stat);
}
return stat ? IRQ_HANDLED : IRQ_NONE;
}
static irqreturn_t
nouveau_mc_intr(int irq, void *arg)
#endif
{
struct nouveau_mc *pmc = arg;
const struct nouveau_mc_oclass *oclass = (void *)nv_object(pmc)->oclass;
const struct nouveau_mc_intr *map = oclass->intr;
struct nouveau_subdev *unit;
u32 intr;
nv_wr32(pmc, 0x000140, 0x00000000);
nv_rd32(pmc, 0x000140);
intr = nouveau_mc_intr_mask(pmc);
if (pmc->use_msi)
oclass->msi_rearm(pmc);
if (intr) {
u32 stat = intr = nouveau_mc_intr_mask(pmc);
while (map->stat) {
if (intr & map->stat) {
unit = nouveau_subdev(pmc, map->unit);
if (unit && unit->intr)
unit->intr(unit);
stat &= ~map->stat;
}
map++;
}
if (stat)
nv_error(pmc, "unknown intr 0x%08x\n", stat);
}
nv_wr32(pmc, 0x000140, 0x00000001);
#ifdef __NetBSD__
return intr ? 1 : 0;
#else
return intr ? IRQ_HANDLED : IRQ_NONE;
#endif
}