|
|
@@ -0,0 +1,104 @@
|
|
|
+/*
|
|
|
+ * 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 <subdev/fb.h>
|
|
|
+
|
|
|
+struct nv25_fb_priv {
|
|
|
+ struct nouveau_fb base;
|
|
|
+};
|
|
|
+
|
|
|
+static void
|
|
|
+nv25_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
|
|
|
+ struct nouveau_fb_tile *tile)
|
|
|
+{
|
|
|
+ int bpp = (flags & 2) ? 32 : 16;
|
|
|
+
|
|
|
+ /* Allocate some of the on-die tag memory, used to store Z
|
|
|
+ * compression meta-data (most likely just a bitmap determining
|
|
|
+ * if a given tile is compressed or not).
|
|
|
+ */
|
|
|
+ size /= 256;
|
|
|
+
|
|
|
+ if (!nouveau_mm_head(&pfb->tags, 1, size, size, 1, &tile->tag)) {
|
|
|
+ /* Enable Z compression */
|
|
|
+ tile->zcomp = tile->tag->offset;
|
|
|
+ if (bpp == 16)
|
|
|
+ tile->zcomp |= 0x00100000;
|
|
|
+ else
|
|
|
+ tile->zcomp |= 0x00200000;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+nv25_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
|
|
|
+ struct nouveau_oclass *oclass, void *data, u32 size,
|
|
|
+ struct nouveau_object **pobject)
|
|
|
+{
|
|
|
+ struct nouveau_device *device = nv_device(parent);
|
|
|
+ struct nv25_fb_priv *priv;
|
|
|
+ u32 pbus1218;
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ ret = nouveau_fb_create(parent, engine, oclass, &priv);
|
|
|
+ *pobject = nv_object(priv);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+
|
|
|
+ pbus1218 = nv_rd32(priv, 0x001218);
|
|
|
+ switch (pbus1218 & 0x00000300) {
|
|
|
+ case 0x00000000: priv->base.ram.type = NV_MEM_TYPE_SDRAM; break;
|
|
|
+ case 0x00000100: priv->base.ram.type = NV_MEM_TYPE_DDR1; break;
|
|
|
+ case 0x00000200: priv->base.ram.type = NV_MEM_TYPE_GDDR3; break;
|
|
|
+ case 0x00000300: priv->base.ram.type = NV_MEM_TYPE_GDDR2; break;
|
|
|
+ }
|
|
|
+ priv->base.ram.size = nv_rd32(priv, 0x10020c) & 0xff000000;
|
|
|
+
|
|
|
+ if (device->chipset >= 0x25)
|
|
|
+ ret = nouveau_mm_init(&priv->base.tags, 0, 64 * 1024, 1);
|
|
|
+ else
|
|
|
+ ret = nouveau_mm_init(&priv->base.tags, 0, 32 * 1024, 1);
|
|
|
+ if (ret)
|
|
|
+ return ret;
|
|
|
+
|
|
|
+ priv->base.memtype_valid = nv04_fb_memtype_valid;
|
|
|
+ priv->base.tile.regions = 8;
|
|
|
+ priv->base.tile.init = nv20_fb_tile_init;
|
|
|
+ priv->base.tile.comp = nv25_fb_tile_comp;
|
|
|
+ priv->base.tile.fini = nv20_fb_tile_fini;
|
|
|
+ priv->base.tile.prog = nv20_fb_tile_prog;
|
|
|
+ return nouveau_fb_created(&priv->base);
|
|
|
+}
|
|
|
+
|
|
|
+struct nouveau_oclass
|
|
|
+nv25_fb_oclass = {
|
|
|
+ .handle = NV_SUBDEV(FB, 0x25),
|
|
|
+ .ofuncs = &(struct nouveau_ofuncs) {
|
|
|
+ .ctor = nv25_fb_ctor,
|
|
|
+ .dtor = _nouveau_fb_dtor,
|
|
|
+ .init = _nouveau_fb_init,
|
|
|
+ .fini = _nouveau_fb_fini,
|
|
|
+ },
|
|
|
+};
|
Ben Skeggs