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path: root/drivers/gpu/drm/nouveau/nvc0_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fb.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_fb.c b/drivers/gpu/drm/nouveau/nvc0_fb.c
deleted file mode 100644
index 7da32a9ef08e..000000000000
--- a/drivers/gpu/drm/nouveau/nvc0_fb.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Copyright 2011 Red Hat Inc.
- *
- * 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 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
- */
-
-#include <drm/drmP.h>
-#include "nouveau_drv.h"
-#include <drm/nouveau_drm.h>
-
-struct nvc0_fb_priv {
- struct page *r100c10_page;
- dma_addr_t r100c10;
-};
-
-static inline void
-nvc0_mfb_subp_isr(struct drm_device *dev, int unit, int subp)
-{
- u32 subp_base = 0x141000 + (unit * 0x2000) + (subp * 0x400);
- u32 stat = nv_rd32(dev, subp_base + 0x020);
-
- if (stat) {
- NV_INFO(dev, "PMFB%d_SUBP%d: 0x%08x\n", unit, subp, stat);
- nv_wr32(dev, subp_base + 0x020, stat);
- }
-}
-
-static void
-nvc0_mfb_isr(struct drm_device *dev)
-{
- u32 units = nv_rd32(dev, 0x00017c);
- while (units) {
- u32 subp, unit = ffs(units) - 1;
- for (subp = 0; subp < 2; subp++)
- nvc0_mfb_subp_isr(dev, unit, subp);
- units &= ~(1 << unit);
- }
-
- /* we do something horribly wrong and upset PMFB a lot, so mask off
- * interrupts from it after the first one until it's fixed
- */
- nv_mask(dev, 0x000640, 0x02000000, 0x00000000);
-}
-
-static void
-nvc0_fb_destroy(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
- struct nvc0_fb_priv *priv = pfb->priv;
-
- nouveau_irq_unregister(dev, 25);
-
- if (priv->r100c10_page) {
- pci_unmap_page(dev->pdev, priv->r100c10, PAGE_SIZE,
- PCI_DMA_BIDIRECTIONAL);
- __free_page(priv->r100c10_page);
- }
-
- kfree(priv);
- pfb->priv = NULL;
-}
-
-static int
-nvc0_fb_create(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
- struct nvc0_fb_priv *priv;
-
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
- pfb->priv = priv;
-
- priv->r100c10_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
- if (!priv->r100c10_page) {
- nvc0_fb_destroy(dev);
- return -ENOMEM;
- }
-
- priv->r100c10 = pci_map_page(dev->pdev, priv->r100c10_page, 0,
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(dev->pdev, priv->r100c10)) {
- nvc0_fb_destroy(dev);
- return -EFAULT;
- }
-
- nouveau_irq_register(dev, 25, nvc0_mfb_isr);
- return 0;
-}
-
-int
-nvc0_fb_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nvc0_fb_priv *priv;
- int ret;
-
- if (!dev_priv->engine.fb.priv) {
- ret = nvc0_fb_create(dev);
- if (ret)
- return ret;
- }
- priv = dev_priv->engine.fb.priv;
-
- nv_wr32(dev, 0x100c10, priv->r100c10 >> 8);
- nv_mask(dev, 0x17e820, 0x00100000, 0x00000000); /* NV_PLTCG_INTR_EN */
- return 0;
-}
-
-void
-nvc0_fb_takedown(struct drm_device *dev)
-{
- nvc0_fb_destroy(dev);
-}