| 1 | /* $NetBSD: nouveau_subdev_fb_nv36.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_nv36.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
| 31 | |
| 32 | #include "nv04.h" |
| 33 | |
| 34 | static void |
| 35 | nv36_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags, |
| 36 | struct nouveau_fb_tile *tile) |
| 37 | { |
| 38 | u32 tiles = DIV_ROUND_UP(size, 0x40); |
| 39 | u32 tags = round_up(tiles / pfb->ram->parts, 0x40); |
| 40 | if (!nouveau_mm_head(&pfb->tags, 1, tags, tags, 1, &tile->tag)) { |
| 41 | if (flags & 2) tile->zcomp |= 0x10000000; /* Z16 */ |
| 42 | else tile->zcomp |= 0x20000000; /* Z24S8 */ |
| 43 | tile->zcomp |= ((tile->tag->offset ) >> 6); |
| 44 | tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 14; |
| 45 | #ifdef __BIG_ENDIAN |
| 46 | tile->zcomp |= 0x80000000; |
| 47 | #endif |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | struct nouveau_oclass * |
| 52 | nv36_fb_oclass = &(struct nv04_fb_impl) { |
| 53 | .base.base.handle = NV_SUBDEV(FB, 0x36), |
| 54 | .base.base.ofuncs = &(struct nouveau_ofuncs) { |
| 55 | .ctor = nv04_fb_ctor, |
| 56 | .dtor = _nouveau_fb_dtor, |
| 57 | .init = nv30_fb_init, |
| 58 | .fini = _nouveau_fb_fini, |
| 59 | }, |
| 60 | .base.memtype = nv04_fb_memtype_valid, |
| 61 | .base.ram = &nv20_ram_oclass, |
| 62 | .tile.regions = 8, |
| 63 | .tile.init = nv30_fb_tile_init, |
| 64 | .tile.comp = nv36_fb_tile_comp, |
| 65 | .tile.fini = nv20_fb_tile_fini, |
| 66 | .tile.prog = nv20_fb_tile_prog, |
| 67 | }.base.base; |
| 68 | |