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27#include "priv.h"
28
29struct nv25_fb_priv {
30 struct nouveau_fb base;
31};
32
33static void
34nv25_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
35 struct nouveau_fb_tile *tile)
36{
37 u32 tiles = DIV_ROUND_UP(size, 0x40);
38 u32 tags = round_up(tiles / pfb->ram->parts, 0x40);
39 if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) {
40 if (!(flags & 2)) tile->zcomp = 0x00100000;
41 else tile->zcomp = 0x00200000;
42 tile->zcomp |= tile->tag->offset;
43#ifdef __BIG_ENDIAN
44 tile->zcomp |= 0x01000000;
45#endif
46 }
47}
48
49static int
50nv25_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
51 struct nouveau_oclass *oclass, void *data, u32 size,
52 struct nouveau_object **pobject)
53{
54 struct nv25_fb_priv *priv;
55 int ret;
56
57 ret = nouveau_fb_create(parent, engine, oclass, &nv20_ram_oclass, &priv);
58 *pobject = nv_object(priv);
59 if (ret)
60 return ret;
61
62 priv->base.memtype_valid = nv04_fb_memtype_valid;
63 priv->base.tile.regions = 8;
64 priv->base.tile.init = nv20_fb_tile_init;
65 priv->base.tile.comp = nv25_fb_tile_comp;
66 priv->base.tile.fini = nv20_fb_tile_fini;
67 priv->base.tile.prog = nv20_fb_tile_prog;
68 return 0;
69}
70
71struct nouveau_oclass
72nv25_fb_oclass = {
73 .handle = NV_SUBDEV(FB, 0x25),
74 .ofuncs = &(struct nouveau_ofuncs) {
75 .ctor = nv25_fb_ctor,
76 .dtor = _nouveau_fb_dtor,
77 .init = _nouveau_fb_init,
78 .fini = _nouveau_fb_fini,
79 },
80};
81