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 static void
30 gm200_fb_init(struct nvkm_fb *base)
31 {
32 	struct gf100_fb *fb = gf100_fb(base);
33 	struct nvkm_device *device = fb->base.subdev.device;
34 
35 	if (fb->r100c10_page)
36 		nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8);
37 
38 	nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */
39 
40 	nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8);
41 	nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8);
42 	nvkm_mask(device, 0x100cc4, 0x00060000,
43 		  min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17);
44 }
45 
46 static const struct nvkm_fb_func
47 gm200_fb = {
48 	.dtor = gf100_fb_dtor,
49 	.oneinit = gf100_fb_oneinit,
50 	.init = gm200_fb_init,
51 	.intr = gf100_fb_intr,
52 	.ram_new = gm107_ram_new,
53 	.memtype_valid = gf100_fb_memtype_valid,
54 };
55 
56 int
57 gm200_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
58 {
59 	return gf100_fb_new_(&gm200_fb, device, index, pfb);
60 }
61