/* * Copyright 2017 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs <bskeggs@redhat.com> */ #include "ram.h" u32 gm200_ram_probe_fbp_amount(const struct nvkm_ram_func *func, u32 fbpao, struct nvkm_device *device, int fbp, int *pltcs) { u32 ltcs = nvkm_rd32(device, 0x022450); u32 fbpas = nvkm_rd32(device, 0x022458); u32 fbpa = fbp * fbpas; u32 size = 0; if (!(nvkm_rd32(device, 0x021d38) & BIT(fbp))) { u32 ltco = nvkm_rd32(device, 0x021d70 + (fbp * 4)); u32 ltcm = ~ltco & ((1 << ltcs) - 1); while (fbpas--) { if (!(fbpao & (1 << fbpa))) size += func->probe_fbpa_amount(device, fbpa); fbpa++; } *pltcs = hweight32(ltcm); } return size; } static const struct nvkm_ram_func gm200_ram = { .upper = 0x1000000000ULL, .probe_fbp = gm107_ram_probe_fbp, .probe_fbp_amount = gm200_ram_probe_fbp_amount, .probe_fbpa_amount = gf100_ram_probe_fbpa_amount, .dtor = gk104_ram_dtor, .init = gk104_ram_init, .calc = gk104_ram_calc, .prog = gk104_ram_prog, .tidy = gk104_ram_tidy, }; int gm200_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) { return gk104_ram_new_(&gm200_ram, fb, pram); }