1 | /* $NetBSD: nouveau_subdev_fb_nv20.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (C) 2010 Francisco Jerez. |
5 | * All Rights Reserved. |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining |
8 | * a copy of this software and associated documentation files (the |
9 | * "Software"), to deal in the Software without restriction, including |
10 | * without limitation the rights to use, copy, modify, merge, publish, |
11 | * distribute, sublicense, and/or sell copies of the Software, and to |
12 | * permit persons to whom the Software is furnished to do so, subject to |
13 | * the following conditions: |
14 | * |
15 | * The above copyright notice and this permission notice (including the |
16 | * next paragraph) shall be included in all copies or substantial |
17 | * portions of the Software. |
18 | * |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
22 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
23 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
24 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
25 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
26 | * |
27 | */ |
28 | |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_nv20.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
31 | |
32 | #include "nv04.h" |
33 | |
34 | void |
35 | nv20_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch, |
36 | u32 flags, struct nouveau_fb_tile *tile) |
37 | { |
38 | tile->addr = 0x00000001 | addr; |
39 | tile->limit = max(1u, addr + size) - 1; |
40 | tile->pitch = pitch; |
41 | if (flags & 4) { |
42 | pfb->tile.comp(pfb, i, size, flags, tile); |
43 | tile->addr |= 2; |
44 | } |
45 | } |
46 | |
47 | static void |
48 | nv20_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags, |
49 | struct nouveau_fb_tile *tile) |
50 | { |
51 | u32 tiles = DIV_ROUND_UP(size, 0x40); |
52 | u32 tags = round_up(tiles / pfb->ram->parts, 0x40); |
53 | if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) { |
54 | if (!(flags & 2)) tile->zcomp = 0x00000000; /* Z16 */ |
55 | else tile->zcomp = 0x04000000; /* Z24S8 */ |
56 | tile->zcomp |= tile->tag->offset; |
57 | tile->zcomp |= 0x80000000; /* enable */ |
58 | #ifdef __BIG_ENDIAN |
59 | tile->zcomp |= 0x08000000; |
60 | #endif |
61 | } |
62 | } |
63 | |
64 | void |
65 | nv20_fb_tile_fini(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile) |
66 | { |
67 | tile->addr = 0; |
68 | tile->limit = 0; |
69 | tile->pitch = 0; |
70 | tile->zcomp = 0; |
71 | nouveau_mm_free(&pfb->tags, &tile->tag); |
72 | } |
73 | |
74 | void |
75 | nv20_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile) |
76 | { |
77 | nv_wr32(pfb, 0x100244 + (i * 0x10), tile->limit); |
78 | nv_wr32(pfb, 0x100248 + (i * 0x10), tile->pitch); |
79 | nv_wr32(pfb, 0x100240 + (i * 0x10), tile->addr); |
80 | nv_rd32(pfb, 0x100240 + (i * 0x10)); |
81 | nv_wr32(pfb, 0x100300 + (i * 0x04), tile->zcomp); |
82 | } |
83 | |
84 | struct nouveau_oclass * |
85 | nv20_fb_oclass = &(struct nv04_fb_impl) { |
86 | .base.base.handle = NV_SUBDEV(FB, 0x20), |
87 | .base.base.ofuncs = &(struct nouveau_ofuncs) { |
88 | .ctor = nv04_fb_ctor, |
89 | .dtor = _nouveau_fb_dtor, |
90 | .init = _nouveau_fb_init, |
91 | .fini = _nouveau_fb_fini, |
92 | }, |
93 | .base.memtype = nv04_fb_memtype_valid, |
94 | .base.ram = &nv20_ram_oclass, |
95 | .tile.regions = 8, |
96 | .tile.init = nv20_fb_tile_init, |
97 | .tile.comp = nv20_fb_tile_comp, |
98 | .tile.fini = nv20_fb_tile_fini, |
99 | .tile.prog = nv20_fb_tile_prog, |
100 | }.base.base; |
101 | |