/*
 * Copyright 2018 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.
 */
#include "nv50.h"

#include <subdev/bios.h>
#include <subdev/bios/pll.h>
#include <subdev/clk/pll.h>

static int
gv100_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq)
{
        struct nvkm_subdev *subdev = &init->subdev;
        struct nvkm_device *device = subdev->device;
        struct nvbios_pll info;
        int head = type - PLL_VPLL0;
        int N, fN, M, P;
        int ret;

        ret = nvbios_pll_parse(device->bios, type, &info);
        if (ret)
                return ret;

        ret = gt215_pll_calc(subdev, &info, freq, &N, &fN, &M, &P);
        if (ret < 0)
                return ret;

        switch (info.type) {
        case PLL_VPLL0:
        case PLL_VPLL1:
        case PLL_VPLL2:
        case PLL_VPLL3:
                nvkm_wr32(device, 0x00ef10 + (head * 0x40), fN << 16);
                nvkm_wr32(device, 0x00ef04 + (head * 0x40), (P << 16) |
                                                            (N <<  8) |
                                                            (M <<  0));
                break;
        default:
                nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);
                ret = -EINVAL;
                break;
        }

        return ret;
}

static const struct nvkm_devinit_func
gv100_devinit = {
        .preinit = gf100_devinit_preinit,
        .init = nv50_devinit_init,
        .post = gm200_devinit_post,
        .pll_set = gv100_devinit_pll_set,
        .disable = gm107_devinit_disable,
};

int
gv100_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
                  struct nvkm_devinit **pinit)
{
        return nv50_devinit_new_(&gv100_devinit, device, type, inst, pinit);
}