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1/*2 * Copyright 2018 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#include "nv50.h"23 24#include <subdev/bios.h>25#include <subdev/bios/pll.h>26#include <subdev/clk/pll.h>27 28static int29gv100_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq)30{31 struct nvkm_subdev *subdev = &init->subdev;32 struct nvkm_device *device = subdev->device;33 struct nvbios_pll info;34 int head = type - PLL_VPLL0;35 int N, fN, M, P;36 int ret;37 38 ret = nvbios_pll_parse(device->bios, type, &info);39 if (ret)40 return ret;41 42 ret = gt215_pll_calc(subdev, &info, freq, &N, &fN, &M, &P);43 if (ret < 0)44 return ret;45 46 switch (info.type) {47 case PLL_VPLL0:48 case PLL_VPLL1:49 case PLL_VPLL2:50 case PLL_VPLL3:51 nvkm_wr32(device, 0x00ef10 + (head * 0x40), fN << 16);52 nvkm_wr32(device, 0x00ef04 + (head * 0x40), (P << 16) |53 (N << 8) |54 (M << 0));55 break;56 default:57 nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);58 ret = -EINVAL;59 break;60 }61 62 return ret;63}64 65static const struct nvkm_devinit_func66gv100_devinit = {67 .preinit = gf100_devinit_preinit,68 .init = nv50_devinit_init,69 .post = gm200_devinit_post,70 .pll_set = gv100_devinit_pll_set,71 .disable = gm107_devinit_disable,72};73 74int75gv100_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,76 struct nvkm_devinit **pinit)77{78 return nv50_devinit_new_(&gv100_devinit, device, type, inst, pinit);79}80