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1/*2 * Copyright 2013 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "nv50.h"25 26#include <subdev/bios.h>27#include <subdev/bios/init.h>28#include <subdev/gsp.h>29 30void31gm107_devinit_disable(struct nvkm_devinit *init)32{33 struct nvkm_device *device = init->subdev.device;34 u32 r021c00 = nvkm_rd32(device, 0x021c00);35 u32 r021c04 = nvkm_rd32(device, 0x021c04);36 37 /* gsp only wants to enable/disable display */38 if (!nvkm_gsp_rm(device->gsp)) {39 if (r021c00 & 0x00000001)40 nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);41 if (r021c00 & 0x00000004)42 nvkm_subdev_disable(device, NVKM_ENGINE_CE, 2);43 }44 if (r021c04 & 0x00000001)45 nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);46}47 48static const struct nvkm_devinit_func49gm107_devinit = {50 .preinit = gf100_devinit_preinit,51 .init = nv50_devinit_init,52 .post = nv04_devinit_post,53 .pll_set = gf100_devinit_pll_set,54 .disable = gm107_devinit_disable,55};56 57int58gm107_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,59 struct nvkm_devinit **pinit)60{61 return nv50_devinit_new_(&gm107_devinit, device, type, inst, pinit);62}63