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path: root/drivers/gpu/drm/nouveau/nv30_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv30_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv30_fb.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/gpu/drm/nouveau/nv30_fb.c b/drivers/gpu/drm/nouveau/nv30_fb.c
deleted file mode 100644
index 9cc4de8de5c..00000000000
--- a/drivers/gpu/drm/nouveau/nv30_fb.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2010 Francisco Jerez.
- * 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:
- *
- * 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.
- *
- */
-
-#include <drm/drmP.h>
-#include "nouveau_drv.h"
-#include <drm/nouveau_drm.h>
-
-void
-nv30_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 = addr | 1;
- tile->limit = max(1u, addr + size) - 1;
- tile->pitch = pitch;
-}
-
-void
-nv30_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 = 0;
-}
-
-static int
-calc_bias(struct drm_device *dev, int k, int i, int j)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- int b = (dev_priv->chipset > 0x30 ?
- nv_rd32(dev, 0x122c + 0x10 * k + 0x4 * j) >> (4 * (i ^ 1)) :
- 0) & 0xf;
-
- return 2 * (b & 0x8 ? b - 0x10 : b);
-}
-
-static int
-calc_ref(struct drm_device *dev, int l, int k, int i)
-{
- int j, x = 0;
-
- for (j = 0; j < 4; j++) {
- int m = (l >> (8 * i) & 0xff) + calc_bias(dev, k, i, j);
-
- x |= (0x80 | clamp(m, 0, 0x1f)) << (8 * j);
- }
-
- return x;
-}
-
-int
-nv30_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, j;
-
- pfb->num_tiles = NV10_PFB_TILE__SIZE;
-
- /* Turn all the tiling regions off. */
- for (i = 0; i < pfb->num_tiles; i++)
- pfb->set_tile_region(dev, i);
-
- /* Init the memory timing regs at 0x10037c/0x1003ac */
- if (dev_priv->chipset == 0x30 ||
- dev_priv->chipset == 0x31 ||
- dev_priv->chipset == 0x35) {
- /* Related to ROP count */
- int n = (dev_priv->chipset == 0x31 ? 2 : 4);
- int l = nv_rd32(dev, 0x1003d0);
-
- for (i = 0; i < n; i++) {
- for (j = 0; j < 3; j++)
- nv_wr32(dev, 0x10037c + 0xc * i + 0x4 * j,
- calc_ref(dev, l, 0, j));
-
- for (j = 0; j < 2; j++)
- nv_wr32(dev, 0x1003ac + 0x8 * i + 0x4 * j,
- calc_ref(dev, l, 1, j));
- }
- }
-
- return 0;
-}
-
-void
-nv30_fb_takedown(struct drm_device *dev)
-{
-}