diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv30_fb.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv30_fb.c | 115 |
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 9cc4de8de5ca..000000000000 --- 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) -{ -} |