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 */
26
27 #include <subdev/fb.h>
28
29 struct nv1a_fb_priv {
30 struct nouveau_fb base;
31 };
32
33 static int
nv1a_fb_vram_init(struct nouveau_fb * pfb)34 nv1a_fb_vram_init(struct nouveau_fb *pfb)
35 {
36 struct pci_dev *bridge;
37 u32 mem, mib;
38
39 bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
40 if (!bridge) {
41 nv_fatal(pfb, "no bridge device\n");
42 return -ENODEV;
43 }
44
45 if (nv_device(pfb)->chipset == 0x1a) {
46 pci_read_config_dword(bridge, 0x7c, &mem);
47 mib = ((mem >> 6) & 31) + 1;
48 } else {
49 pci_read_config_dword(bridge, 0x84, &mem);
50 mib = ((mem >> 4) & 127) + 1;
51 }
52
53 pfb->ram.type = NV_MEM_TYPE_STOLEN;
54 pfb->ram.size = mib * 1024 * 1024;
55 return 0;
56 }
57
58 static int
nv1a_fb_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)59 nv1a_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
60 struct nouveau_oclass *oclass, void *data, u32 size,
61 struct nouveau_object **pobject)
62 {
63 struct nv1a_fb_priv *priv;
64 int ret;
65
66 ret = nouveau_fb_create(parent, engine, oclass, &priv);
67 *pobject = nv_object(priv);
68 if (ret)
69 return ret;
70
71 priv->base.memtype_valid = nv04_fb_memtype_valid;
72 priv->base.ram.init = nv1a_fb_vram_init;
73 priv->base.tile.regions = 8;
74 priv->base.tile.init = nv10_fb_tile_init;
75 priv->base.tile.fini = nv10_fb_tile_fini;
76 priv->base.tile.prog = nv10_fb_tile_prog;
77 return nouveau_fb_preinit(&priv->base);
78 }
79
80 struct nouveau_oclass
81 nv1a_fb_oclass = {
82 .handle = NV_SUBDEV(FB, 0x1a),
83 .ofuncs = &(struct nouveau_ofuncs) {
84 .ctor = nv1a_fb_ctor,
85 .dtor = _nouveau_fb_dtor,
86 .init = _nouveau_fb_init,
87 .fini = _nouveau_fb_fini,
88 },
89 };
90