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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/gpu/drm/nouveau/nv10_fb.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv10_fb.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_fb.c b/drivers/gpu/drm/nouveau/nv10_fb.c
new file mode 100644
index 00000000..420b1608
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv10_fb.c
@@ -0,0 +1,104 @@
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_drm.h"
+
+void
+nv10_fb_init_tile_region(struct drm_device *dev, int i, uint32_t addr,
+ uint32_t size, uint32_t pitch, uint32_t flags)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
+
+ tile->addr = 0x80000000 | addr;
+ tile->limit = max(1u, addr + size) - 1;
+ tile->pitch = pitch;
+}
+
+void
+nv10_fb_free_tile_region(struct drm_device *dev, int i)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
+
+ tile->addr = tile->limit = tile->pitch = tile->zcomp = 0;
+}
+
+void
+nv10_fb_set_tile_region(struct drm_device *dev, int i)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
+
+ nv_wr32(dev, NV10_PFB_TLIMIT(i), tile->limit);
+ nv_wr32(dev, NV10_PFB_TSIZE(i), tile->pitch);
+ nv_wr32(dev, NV10_PFB_TILE(i), tile->addr);
+}
+
+int
+nv1a_fb_vram_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct pci_dev *bridge;
+ uint32_t mem, mib;
+
+ bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
+ if (!bridge) {
+ NV_ERROR(dev, "no bridge device\n");
+ return 0;
+ }
+
+ if (dev_priv->chipset == 0x1a) {
+ pci_read_config_dword(bridge, 0x7c, &mem);
+ mib = ((mem >> 6) & 31) + 1;
+ } else {
+ pci_read_config_dword(bridge, 0x84, &mem);
+ mib = ((mem >> 4) & 127) + 1;
+ }
+
+ dev_priv->vram_size = mib * 1024 * 1024;
+ return 0;
+}
+
+int
+nv10_fb_vram_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ u32 fifo_data = nv_rd32(dev, NV04_PFB_FIFO_DATA);
+ u32 cfg0 = nv_rd32(dev, 0x100200);
+
+ dev_priv->vram_size = fifo_data & NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
+
+ if (cfg0 & 0x00000001)
+ dev_priv->vram_type = NV_MEM_TYPE_DDR1;
+ else
+ dev_priv->vram_type = NV_MEM_TYPE_SDRAM;
+
+ return 0;
+}
+
+int
+nv10_fb_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
+ int i;
+
+ /* Turn all the tiling regions off. */
+ pfb->num_tiles = NV10_PFB_TILE__SIZE;
+ for (i = 0; i < pfb->num_tiles; i++)
+ pfb->set_tile_region(dev, i);
+
+ return 0;
+}
+
+void
+nv10_fb_takedown(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
+ int i;
+
+ for (i = 0; i < pfb->num_tiles; i++)
+ pfb->free_tile_region(dev, i);
+}