1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24 #include "gf100.h"
25 #include "ram.h"
26
27 #include <core/memory.h>
28
29 int
gm200_fb_init_page(struct nvkm_fb * fb)30 gm200_fb_init_page(struct nvkm_fb *fb)
31 {
32 struct nvkm_device *device = fb->subdev.device;
33 switch (fb->page) {
34 case 16: nvkm_mask(device, 0x100c80, 0x00001801, 0x00001001); break;
35 case 17: nvkm_mask(device, 0x100c80, 0x00001801, 0x00000000); break;
36 case 0: nvkm_mask(device, 0x100c80, 0x00001800, 0x00001800); break;
37 default:
38 return -EINVAL;
39 }
40 return 0;
41 }
42
43 void
gm200_fb_init(struct nvkm_fb * base)44 gm200_fb_init(struct nvkm_fb *base)
45 {
46 struct gf100_fb *fb = gf100_fb(base);
47 struct nvkm_device *device = fb->base.subdev.device;
48
49 if (fb->r100c10_page)
50 nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8);
51
52 nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8);
53 nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8);
54 nvkm_mask(device, 0x100cc4, 0x00060000,
55 min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17);
56 }
57
58 static const struct nvkm_fb_func
59 gm200_fb = {
60 .dtor = gf100_fb_dtor,
61 .oneinit = gf100_fb_oneinit,
62 .init = gm200_fb_init,
63 .init_page = gm200_fb_init_page,
64 .intr = gf100_fb_intr,
65 .ram_new = gm200_ram_new,
66 .default_bigpage = 0 /* per-instance. */,
67 };
68
69 int
gm200_fb_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)70 gm200_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
71 {
72 return gf100_fb_new_(&gm200_fb, device, type, inst, pfb);
73 }
74