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861d2107 BS |
1 | /* |
2 | * Copyright (C) 2010 Francisco Jerez. | |
3 | * All Rights Reserved. | |
4 | * | |
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: | |
12 | * | |
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. | |
16 | * | |
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. | |
24 | * | |
25 | */ | |
03c8952f | 26 | #include "priv.h" |
d36a99d2 | 27 | #include "ram.h" |
d81c19e3 | 28 | |
a8749af1 | 29 | void |
b1e4553c | 30 | nv20_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch, |
639c308e | 31 | u32 flags, struct nvkm_fb_tile *tile) |
d81c19e3 | 32 | { |
d81c19e3 BS |
33 | tile->addr = 0x00000001 | addr; |
34 | tile->limit = max(1u, addr + size) - 1; | |
35 | tile->pitch = pitch; | |
67e9e9f6 | 36 | if (flags & 4) { |
03c8952f | 37 | fb->func->tile.comp(fb, i, size, flags, tile); |
67e9e9f6 BS |
38 | tile->addr |= 2; |
39 | } | |
40 | } | |
41 | ||
42 | static void | |
b1e4553c | 43 | nv20_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags, |
639c308e | 44 | struct nvkm_fb_tile *tile) |
67e9e9f6 | 45 | { |
fd3a5225 | 46 | u32 tiles = DIV_ROUND_UP(size, 0x40); |
b1e4553c | 47 | u32 tags = round_up(tiles / fb->ram->parts, 0x40); |
d36a99d2 | 48 | if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) { |
fd3a5225 BS |
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 */ | |
d33db63b BS |
53 | #ifdef __BIG_ENDIAN |
54 | tile->zcomp |= 0x08000000; | |
55 | #endif | |
d81c19e3 BS |
56 | } |
57 | } | |
58 | ||
a8749af1 | 59 | void |
b1e4553c | 60 | nv20_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) |
d81c19e3 | 61 | { |
861d2107 BS |
62 | tile->addr = 0; |
63 | tile->limit = 0; | |
64 | tile->pitch = 0; | |
65 | tile->zcomp = 0; | |
d36a99d2 | 66 | nvkm_mm_free(&fb->ram->tags, &tile->tag); |
d81c19e3 BS |
67 | } |
68 | ||
a8749af1 | 69 | void |
b1e4553c | 70 | nv20_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) |
d81c19e3 | 71 | { |
6758745b BS |
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); | |
d81c19e3 BS |
78 | } |
79 | ||
03c8952f BS |
80 | static const struct nvkm_fb_func |
81 | nv20_fb = { | |
20cdeaf9 BS |
82 | .tile.regions = 8, |
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, | |
03c8952f BS |
87 | .ram_new = nv20_ram_new, |
88 | .memtype_valid = nv04_fb_memtype_valid, | |
89 | }; | |
90 | ||
91 | int | |
92 | nv20_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) | |
93 | { | |
94 | return nvkm_fb_new_(&nv20_fb, device, index, pfb); | |
95 | } |