diff options
Diffstat (limited to 'nvkm/subdev/fb/nv35.c')
-rw-r--r-- | nvkm/subdev/fb/nv35.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/nvkm/subdev/fb/nv35.c b/nvkm/subdev/fb/nv35.c new file mode 100644 index 000000000..092f6f4f3 --- /dev/null +++ b/nvkm/subdev/fb/nv35.c @@ -0,0 +1,82 @@ +/* + * 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 nv35_fb_priv { + struct nouveau_fb base; +}; + +static void +nv35_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags, + struct nouveau_fb_tile *tile) +{ + u32 tiles = DIV_ROUND_UP(size, 0x40); + u32 tags = round_up(tiles / pfb->ram.parts, 0x40); + if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) { + if (flags & 2) tile->zcomp |= 0x04000000; /* Z16 */ + else tile->zcomp |= 0x08000000; /* Z24S8 */ + tile->zcomp |= ((tile->tag->offset ) >> 6); + tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 13; +#ifdef __BIG_ENDIAN + tile->zcomp |= 0x40000000; +#endif + } +} + +static int +nv35_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv35_fb_priv *priv; + int ret; + + ret = nouveau_fb_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + priv->base.memtype_valid = nv04_fb_memtype_valid; + priv->base.ram.init = nv20_fb_vram_init; + priv->base.tile.regions = 8; + priv->base.tile.init = nv30_fb_tile_init; + priv->base.tile.comp = nv35_fb_tile_comp; + priv->base.tile.fini = nv20_fb_tile_fini; + priv->base.tile.prog = nv20_fb_tile_prog; + return nouveau_fb_preinit(&priv->base); +} + +struct nouveau_oclass +nv35_fb_oclass = { + .handle = NV_SUBDEV(FB, 0x35), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv35_fb_ctor, + .dtor = _nouveau_fb_dtor, + .init = nv30_fb_init, + .fini = _nouveau_fb_fini, + }, +}; |