1 /* $NetBSD: nouveau_nvkm_subdev_fb_nv10.c,v 1.3 2021/12/18 23:45:39 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 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_fb_nv10.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $");
30
31 #include "priv.h"
32 #include "ram.h"
33
34 void
nv10_fb_tile_init(struct nvkm_fb * fb,int i,u32 addr,u32 size,u32 pitch,u32 flags,struct nvkm_fb_tile * tile)35 nv10_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
36 u32 flags, struct nvkm_fb_tile *tile)
37 {
38 tile->addr = 0x80000000 | addr;
39 tile->limit = max(1u, addr + size) - 1;
40 tile->pitch = pitch;
41 }
42
43 void
nv10_fb_tile_fini(struct nvkm_fb * fb,int i,struct nvkm_fb_tile * tile)44 nv10_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
45 {
46 tile->addr = 0;
47 tile->limit = 0;
48 tile->pitch = 0;
49 tile->zcomp = 0;
50 }
51
52 void
nv10_fb_tile_prog(struct nvkm_fb * fb,int i,struct nvkm_fb_tile * tile)53 nv10_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
54 {
55 struct nvkm_device *device = fb->subdev.device;
56 nvkm_wr32(device, 0x100244 + (i * 0x10), tile->limit);
57 nvkm_wr32(device, 0x100248 + (i * 0x10), tile->pitch);
58 nvkm_wr32(device, 0x100240 + (i * 0x10), tile->addr);
59 nvkm_rd32(device, 0x100240 + (i * 0x10));
60 }
61
62 static const struct nvkm_fb_func
63 nv10_fb = {
64 .tile.regions = 8,
65 .tile.init = nv10_fb_tile_init,
66 .tile.fini = nv10_fb_tile_fini,
67 .tile.prog = nv10_fb_tile_prog,
68 .ram_new = nv10_ram_new,
69 };
70
71 int
nv10_fb_new(struct nvkm_device * device,int index,struct nvkm_fb ** pfb)72 nv10_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
73 {
74 return nvkm_fb_new_(&nv10_fb, device, index, pfb);
75 }
76