subdev/fb/ramgm107.c

0001 /*
0002  * Copyright 2013 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Authors: Ben Skeggs
0023  */
0024 #include "ram.h"
0025
0026 u32
0027 gm107_ram_probe_fbp(const struct nvkm_ram_func *func,
0028             struct nvkm_device *device, int fbp, int *pltcs)
0029 {
0030     u32 fbpao = nvkm_rd32(device, 0x021c14);
0031     return func->probe_fbp_amount(func, fbpao, device, fbp, pltcs);
0032 }
0033
0034 static const struct nvkm_ram_func
0035 gm107_ram = {
0036     .upper = 0x1000000000ULL,
0037     .probe_fbp = gm107_ram_probe_fbp,
0038     .probe_fbp_amount = gf108_ram_probe_fbp_amount,
0039     .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
0040     .dtor = gk104_ram_dtor,
0041     .init = gk104_ram_init,
0042     .calc = gk104_ram_calc,
0043     .prog = gk104_ram_prog,
0044     .tidy = gk104_ram_tidy,
0045 };
0046
0047 int
0048 gm107_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
0049 {
0050     return gk104_ram_new_(&gm107_ram, fb, pram);
0051 }