drm/nouveau: port remainder of drm code, and rip out compat layer

v2: Ben Skeggs <bskeggs@redhat.com>
- fill in nouveau_pm.dev to prevent oops
- fix ppc issues (build + OF shadow)

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 35 insertions, 95 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index d5281499744b..af0cfe81da69 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -1,145 +1,85 @@
 /*
- * Copyright (C) 2006 Ben Skeggs.
+ * Copyright 2012 Red Hat Inc.
  *
- * All Rights Reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
  *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
+ * Authors: Ben Skeggs
  */
 
-/*
- * Authors:
- *   Ben Skeggs <darktama@iinet.net.au>
- */
+#include <subdev/mc.h>
 
-#include "drmP.h"
-#include "drm.h"
-#include <nouveau_drm.h>
-#include "nouveau_drv.h"
-#include "nouveau_reg.h"
+#include "nouveau_drm.h"
+#include "nv50_display.h"
 
 void
 nouveau_irq_preinstall(struct drm_device *dev)
 {
-	/* Master disable */
-	nv_wr32(dev, NV03_PMC_INTR_EN_0, 0);
+	nv_wr32(nouveau_dev(dev), 0x000140, 0x00000000);
 }
 
 int
 nouveau_irq_postinstall(struct drm_device *dev)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-
-	/* Master enable */
-	nv_wr32(dev, NV03_PMC_INTR_EN_0, NV_PMC_INTR_EN_0_MASTER_ENABLE);
-	if (dev_priv->msi_enabled)
-		nv_wr08(dev, 0x00088068, 0xff);
-
+	nv_wr32(nouveau_dev(dev), 0x000140, 0x00000001);
 	return 0;
 }
 
 void
 nouveau_irq_uninstall(struct drm_device *dev)
 {
-	/* Master disable */
-	nv_wr32(dev, NV03_PMC_INTR_EN_0, 0);
+	nv_wr32(nouveau_dev(dev), 0x000140, 0x00000000);
 }
 
 irqreturn_t
 nouveau_irq_handler(DRM_IRQ_ARGS)
 {
-	struct drm_device *dev = (struct drm_device *)arg;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	unsigned long flags;
+	struct drm_device *dev = arg;
+	struct nouveau_device *device = nouveau_dev(dev);
+	struct nouveau_mc *pmc = nouveau_mc(device);
 	u32 stat;
-	int i;
 
-	stat = nv_rd32(dev, NV03_PMC_INTR_0);
+	stat = nv_rd32(device, 0x000100);
 	if (stat == 0 || stat == ~0)
 		return IRQ_NONE;
 
-	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
-	for (i = 0; i < 32 && stat; i++) {
-		if (!(stat & (1 << i)) || !dev_priv->irq_handler[i])
-			continue;
+	nv_subdev(pmc)->intr(nv_subdev(pmc));
 
-		dev_priv->irq_handler[i](dev);
-		stat &= ~(1 << i);
+	if (device->card_type >= NV_D0) {
+		if (nv_rd32(device, 0x000100) & 0x04000000)
+			nvd0_display_intr(dev);
+	} else
+	if (device->card_type >= NV_50) {
+		if (nv_rd32(device, 0x000100) & 0x04000000)
+			nv50_display_intr(dev);
 	}
 
-	nv_intr(dev);
-
-	if (dev_priv->msi_enabled)
-		nv_wr08(dev, 0x00088068, 0xff);
-	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
-
 	return IRQ_HANDLED;
 }
 
 int
 nouveau_irq_init(struct drm_device *dev)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	int ret;
-
-	if (nouveau_msi != 0 && dev_priv->card_type >= NV_50) {
-		ret = pci_enable_msi(dev->pdev);
-		if (ret == 0) {
-			NV_INFO(dev, "enabled MSI\n");
-			dev_priv->msi_enabled = true;
-		}
-	}
-
 	return drm_irq_install(dev);
 }
 
 void
 nouveau_irq_fini(struct drm_device *dev)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-
 	drm_irq_uninstall(dev);
-	if (dev_priv->msi_enabled)
-		pci_disable_msi(dev->pdev);
-}
-
-void
-nouveau_irq_register(struct drm_device *dev, int status_bit,
-		     void (*handler)(struct drm_device *))
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
-	dev_priv->irq_handler[status_bit] = handler;
-	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
-}
-
-void
-nouveau_irq_unregister(struct drm_device *dev, int status_bit)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
-	dev_priv->irq_handler[status_bit] = NULL;
-	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 }