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authorBen Skeggs <bskeggs@redhat.com>2010-11-03 03:18:04 +0300
committerBen Skeggs <bskeggs@redhat.com>2010-12-03 08:11:32 +0300
commit2cbd4c818578ef8f2e486dc77267ead1e503c637 (patch)
tree15bebf560673a717f294f4ff420851170685c7f4 /drivers/gpu/drm/nouveau/nv50_gpio.c
parentd7facf9dc50acff69de9688088caa78b3cf69ebb (diff)
downloadlinux-2cbd4c818578ef8f2e486dc77267ead1e503c637.tar.xz
drm/nv50: move GPIO ISR to nv50_gpio.c
Reviewed-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_gpio.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_gpio.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c
index b2fab2bf3d61..302f7ebe5b6f 100644
--- a/drivers/gpu/drm/nouveau/nv50_gpio.c
+++ b/drivers/gpu/drm/nouveau/nv50_gpio.c
@@ -26,6 +26,8 @@
#include "nouveau_drv.h"
#include "nouveau_hw.h"
+static void nv50_gpio_isr(struct drm_device *dev);
+
static int
nv50_gpio_location(struct dcb_gpio_entry *gpio, uint32_t *reg, uint32_t *shift)
{
@@ -107,5 +109,39 @@ nv50_gpio_init(struct drm_device *dev)
nv_wr32(dev, 0xe074, 0xffffffff);
}
+ nouveau_irq_register(dev, 21, nv50_gpio_isr);
return 0;
}
+
+void
+nv50_gpio_fini(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ nv_wr32(dev, 0xe050, 0x00000000);
+ if (dev_priv->chipset >= 0x90)
+ nv_wr32(dev, 0xe070, 0x00000000);
+ nouveau_irq_unregister(dev, 21);
+}
+
+static void
+nv50_gpio_isr(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t hpd0_bits, hpd1_bits = 0;
+
+ hpd0_bits = nv_rd32(dev, 0xe054);
+ nv_wr32(dev, 0xe054, hpd0_bits);
+
+ if (dev_priv->chipset >= 0x90) {
+ hpd1_bits = nv_rd32(dev, 0xe074);
+ nv_wr32(dev, 0xe074, hpd1_bits);
+ }
+
+ spin_lock(&dev_priv->hpd_state.lock);
+ dev_priv->hpd_state.hpd0_bits |= hpd0_bits;
+ dev_priv->hpd_state.hpd1_bits |= hpd1_bits;
+ spin_unlock(&dev_priv->hpd_state.lock);
+
+ queue_work(dev_priv->wq, &dev_priv->hpd_work);
+}