1 /*
2 * Copyright 2013 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 "ram.h"
25
26 u32
27 gm107_ram_probe_fbp(const struct nvkm_ram_func *func,
28 struct nvkm_device *device, int fbp, int *pltcs)
29 {
30 u32 fbpao = nvkm_rd32(device, 0x021c14);
31 return func->probe_fbp_amount(func, fbpao, device, fbp, pltcs);
32 }
33
34 static const struct nvkm_ram_func
35 gm107_ram = {
36 .upper = 0x1000000000,
37 .probe_fbp = gm107_ram_probe_fbp,
38 .probe_fbp_amount = gf108_ram_probe_fbp_amount,
39 .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
40 .dtor = gk104_ram_dtor,
41 .init = gk104_ram_init,
42 .calc = gk104_ram_calc,
43 .prog = gk104_ram_prog,
44 .tidy = gk104_ram_tidy,
45 };
46
47 int
48 gm107_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
49 {
50 return gk104_ram_new_(&gm107_ram, fb, pram);
51 }