2 * Copyright (C) 2010 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 nv20_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
31 u32 flags, struct nvkm_fb_tile *tile)
33 tile->addr = 0x00000001 | addr;
34 tile->limit = max(1u, addr + size) - 1;
37 fb->func->tile.comp(fb, i, size, flags, tile);
43 nv20_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
44 struct nvkm_fb_tile *tile)
46 u32 tiles = DIV_ROUND_UP(size, 0x40);
47 u32 tags = round_up(tiles / fb->ram->parts, 0x40);
48 if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
49 if (!(flags & 2)) tile->zcomp = 0x00000000; /* Z16 */
50 else tile->zcomp = 0x04000000; /* Z24S8 */
51 tile->zcomp |= tile->tag->offset;
52 tile->zcomp |= 0x80000000; /* enable */
54 tile->zcomp |= 0x08000000;
60 nv20_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
66 nvkm_mm_free(&fb->ram->tags, &tile->tag);
70 nv20_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
72 struct nvkm_device *device = fb->subdev.device;
73 nvkm_wr32(device, 0x100244 + (i * 0x10), tile->limit);
74 nvkm_wr32(device, 0x100248 + (i * 0x10), tile->pitch);
75 nvkm_wr32(device, 0x100240 + (i * 0x10), tile->addr);
76 nvkm_rd32(device, 0x100240 + (i * 0x10));
77 nvkm_wr32(device, 0x100300 + (i * 0x04), tile->zcomp);
80 static const struct nvkm_fb_func
83 .tile.init = nv20_fb_tile_init,
84 .tile.comp = nv20_fb_tile_comp,
85 .tile.fini = nv20_fb_tile_fini,
86 .tile.prog = nv20_fb_tile_prog,
87 .ram_new = nv20_ram_new,
88 .memtype_valid = nv04_fb_memtype_valid,
92 nv20_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
94 return nvkm_fb_new_(&nv20_fb, device, index, pfb);