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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c
new file mode 100644
index 000000000000..a5b77514d35b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c
@@ -0,0 +1,58 @@
+/*
+ * 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 "nv04.h"
+
+void
+nv46_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
+ u32 flags, struct nouveau_fb_tile *tile)
+{
+ /* for performance, select alternate bank offset for zeta */
+ if (!(flags & 4)) tile->addr = (0 << 3);
+ else tile->addr = (1 << 3);
+
+ tile->addr |= 0x00000001; /* mode = vram */
+ tile->addr |= addr;
+ tile->limit = max(1u, addr + size) - 1;
+ tile->pitch = pitch;
+}
+
+struct nouveau_oclass *
+nv46_fb_oclass = &(struct nv04_fb_impl) {
+ .base.base.handle = NV_SUBDEV(FB, 0x46),
+ .base.base.ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv04_fb_ctor,
+ .dtor = _nouveau_fb_dtor,
+ .init = nv44_fb_init,
+ .fini = _nouveau_fb_fini,
+ },
+ .base.memtype = nv04_fb_memtype_valid,
+ .base.ram = &nv44_ram_oclass,
+ .tile.regions = 15,
+ .tile.init = nv46_fb_tile_init,
+ .tile.fini = nv20_fb_tile_fini,
+ .tile.prog = nv44_fb_tile_prog,
+}.base.base;