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27#include "priv.h"
28
29struct nv20_fb_priv {
30 struct nouveau_fb base;
31};
32
33void
34nv20_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch,
35 u32 flags, struct nouveau_fb_tile *tile)
36{
37 tile->addr = 0x00000001 | addr;
38 tile->limit = max(1u, addr + size) - 1;
39 tile->pitch = pitch;
40 if (flags & 4) {
41 pfb->tile.comp(pfb, i, size, flags, tile);
42 tile->addr |= 2;
43 }
44}
45
46static void
47nv20_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags,
48 struct nouveau_fb_tile *tile)
49{
50 u32 tiles = DIV_ROUND_UP(size, 0x40);
51 u32 tags = round_up(tiles / pfb->ram->parts, 0x40);
52 if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) {
53 if (!(flags & 2)) tile->zcomp = 0x00000000;
54 else tile->zcomp = 0x04000000;
55 tile->zcomp |= tile->tag->offset;
56 tile->zcomp |= 0x80000000;
57#ifdef __BIG_ENDIAN
58 tile->zcomp |= 0x08000000;
59#endif
60 }
61}
62
63void
64nv20_fb_tile_fini(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
65{
66 tile->addr = 0;
67 tile->limit = 0;
68 tile->pitch = 0;
69 tile->zcomp = 0;
70 nouveau_mm_free(&pfb->tags, &tile->tag);
71}
72
73void
74nv20_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile)
75{
76 nv_wr32(pfb, 0x100244 + (i * 0x10), tile->limit);
77 nv_wr32(pfb, 0x100248 + (i * 0x10), tile->pitch);
78 nv_wr32(pfb, 0x100240 + (i * 0x10), tile->addr);
79 nv_rd32(pfb, 0x100240 + (i * 0x10));
80 nv_wr32(pfb, 0x100300 + (i * 0x04), tile->zcomp);
81}
82
83static int
84nv20_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
85 struct nouveau_oclass *oclass, void *data, u32 size,
86 struct nouveau_object **pobject)
87{
88 struct nv20_fb_priv *priv;
89 int ret;
90
91 ret = nouveau_fb_create(parent, engine, oclass, &nv20_ram_oclass, &priv);
92 *pobject = nv_object(priv);
93 if (ret)
94 return ret;
95
96 priv->base.memtype_valid = nv04_fb_memtype_valid;
97 priv->base.tile.regions = 8;
98 priv->base.tile.init = nv20_fb_tile_init;
99 priv->base.tile.comp = nv20_fb_tile_comp;
100 priv->base.tile.fini = nv20_fb_tile_fini;
101 priv->base.tile.prog = nv20_fb_tile_prog;
102 return 0;
103}
104
105struct nouveau_oclass
106nv20_fb_oclass = {
107 .handle = NV_SUBDEV(FB, 0x20),
108 .ofuncs = &(struct nouveau_ofuncs) {
109 .ctor = nv20_fb_ctor,
110 .dtor = _nouveau_fb_dtor,
111 .init = _nouveau_fb_init,
112 .fini = _nouveau_fb_fini,
113 },
114};
115