diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_irq.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_irq.c | 132 |
1 files changed, 36 insertions, 96 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 6273b7763cd..9ca8afdb554 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -1,146 +1,86 @@ /* - * 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 <drm/drmP.h> -#include <drm/nouveau_drm.h> -#include "nouveau_drv.h" -#include "nouveau_reg.h" -#include "nouveau_ramht.h" -#include "nouveau_util.h" +#include "nouveau_drm.h" +#include "nouveau_irq.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); } - if (dev_priv->msi_enabled) - nv_wr08(dev, 0x00088068, 0xff); - spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); - - if (stat && nouveau_ratelimit()) - NV_ERROR(dev, "PMC - unhandled INTR 0x%08x\n", stat); 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); } |