drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c

   1 /*
   2  * Copyright (C) 2010 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include <subdev/fb.h>
  28
  29 struct nv40_fb_priv {
  30         struct nouveau_fb base;
  31 };
  32
  33 static int
  34 nv40_fb_init(struct nouveau_object *object)
  35 {
  36         struct nv40_fb_priv *priv = (void *)object;
  37         int ret;
  38
  39         ret = nouveau_fb_init(&priv->base);
  40         if (ret)
  41                 return ret;
  42
  43         nv_mask(priv, 0x10033c, 0x00008000, 0x00000000);
  44         return 0;
  45 }
  46
  47 static int
  48 nv40_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
  49              struct nouveau_oclass *oclass, void *data, u32 size,
  50              struct nouveau_object **pobject)
  51 {
  52         struct nouveau_device *device = nv_device(parent);
  53         struct nv40_fb_priv *priv;
  54         u32 pbus1218;
  55         int ret;
  56
  57         ret = nouveau_fb_create(parent, engine, oclass, &priv);
  58         *pobject = nv_object(priv);
  59         if (ret)
  60                 return ret;
  61
  62         pbus1218 = nv_rd32(priv, 0x001218);
  63         switch (pbus1218 & 0x00000300) {
  64         case 0x00000000: priv->base.ram.type = NV_MEM_TYPE_SDRAM; break;
  65         case 0x00000100: priv->base.ram.type = NV_MEM_TYPE_DDR1; break;
  66         case 0x00000200: priv->base.ram.type = NV_MEM_TYPE_GDDR3; break;
  67         case 0x00000300: priv->base.ram.type = NV_MEM_TYPE_DDR2; break;
  68         }
  69
  70         priv->base.ram.size = nv_rd32(priv, 0x10020c) & 0xff000000;
  71
  72         priv->base.memtype_valid = nv04_fb_memtype_valid;
  73         priv->base.tile.regions = 8;
  74         priv->base.tile.init = nv30_fb_tile_init;
  75         priv->base.tile.fini = nv30_fb_tile_fini;
  76         priv->base.tile.prog = nv10_fb_tile_prog;
  77         return nouveau_fb_created(&priv->base);
  78 }
  79
  80
  81 struct nouveau_oclass
  82 nv40_fb_oclass = {
  83         .handle = NV_SUBDEV(FB, 0x40),
  84         .ofuncs = &(struct nouveau_ofuncs) {
  85                 .ctor = nv40_fb_ctor,
  86                 .dtor = _nouveau_fb_dtor,
  87                 .init = nv40_fb_init,
  88                 .fini = _nouveau_fb_fini,
  89         },
  90 };