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 = 0x1000000000ULL,
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 }
52