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path: root/drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c61
1 files changed, 27 insertions, 34 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c
index 277693a..d407f906 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c
@@ -28,41 +28,36 @@ struct nve0_gpio_priv {
struct nouveau_gpio base;
};
-void
-nve0_gpio_intr(struct nouveau_subdev *subdev)
-{
- struct nve0_gpio_priv *priv = (void *)subdev;
- u32 intr0 = nv_rd32(priv, 0xdc00) & nv_rd32(priv, 0xdc08);
- u32 intr1 = nv_rd32(priv, 0xdc80) & nv_rd32(priv, 0xdc88);
- u32 hi = (intr0 & 0x0000ffff) | (intr1 << 16);
- u32 lo = (intr0 >> 16) | (intr1 & 0xffff0000);
- int i;
-
- for (i = 0; (hi | lo) && i < 32; i++) {
- if ((hi | lo) & (1 << i))
- nouveau_event_trigger(priv->base.events, 1, i);
- }
-
- nv_wr32(priv, 0xdc00, intr0);
- nv_wr32(priv, 0xdc80, intr1);
-}
-
-void
-nve0_gpio_intr_enable(struct nouveau_event *event, int line)
+static void
+nve0_gpio_intr_stat(struct nouveau_gpio *gpio, u32 *hi, u32 *lo)
{
- const u32 addr = line < 16 ? 0xdc00 : 0xdc80;
- const u32 mask = 0x00010001 << (line & 0xf);
- nv_wr32(event->priv, addr + 0x00, mask);
- nv_mask(event->priv, addr + 0x08, mask, mask);
+ u32 intr0 = nv_rd32(gpio, 0x00dc00);
+ u32 intr1 = nv_rd32(gpio, 0x00dc80);
+ u32 stat0 = nv_rd32(gpio, 0x00dc08) & intr0;
+ u32 stat1 = nv_rd32(gpio, 0x00dc88) & intr1;
+ *lo = (stat1 & 0xffff0000) | (stat0 >> 16);
+ *hi = (stat1 << 16) | (stat0 & 0x0000ffff);
+ nv_wr32(gpio, 0x00dc00, intr0);
+ nv_wr32(gpio, 0x00dc80, intr1);
}
void
-nve0_gpio_intr_disable(struct nouveau_event *event, int line)
+nve0_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
{
- const u32 addr = line < 16 ? 0xdc00 : 0xdc80;
- const u32 mask = 0x00010001 << (line & 0xf);
- nv_mask(event->priv, addr + 0x08, mask, 0x00000000);
- nv_wr32(event->priv, addr + 0x00, mask);
+ u32 inte0 = nv_rd32(gpio, 0x00dc08);
+ u32 inte1 = nv_rd32(gpio, 0x00dc88);
+ if (type & NVKM_GPIO_LO)
+ inte0 = (inte0 & ~(mask << 16)) | (data << 16);
+ if (type & NVKM_GPIO_HI)
+ inte0 = (inte0 & ~(mask & 0xffff)) | (data & 0xffff);
+ mask >>= 16;
+ data >>= 16;
+ if (type & NVKM_GPIO_LO)
+ inte1 = (inte1 & ~(mask << 16)) | (data << 16);
+ if (type & NVKM_GPIO_HI)
+ inte1 = (inte1 & ~mask) | data;
+ nv_wr32(gpio, 0x00dc08, inte0);
+ nv_wr32(gpio, 0x00dc88, inte1);
}
int
@@ -112,10 +107,6 @@ nve0_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
priv->base.reset = nvd0_gpio_reset;
priv->base.drive = nvd0_gpio_drive;
priv->base.sense = nvd0_gpio_sense;
- priv->base.events->priv = priv;
- priv->base.events->enable = nve0_gpio_intr_enable;
- priv->base.events->disable = nve0_gpio_intr_disable;
- nv_subdev(priv)->intr = nve0_gpio_intr;
return 0;
}
@@ -129,4 +120,6 @@ nve0_gpio_oclass = &(struct nouveau_gpio_impl) {
.fini = nve0_gpio_fini,
},
.lines = 32,
+ .intr_stat = nve0_gpio_intr_stat,
+ .intr_mask = nve0_gpio_intr_mask,
}.base;
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