drm/nouveau/devinit/tu104: initial support

int gm107_devinit_new(struct nvkm_device *, int, struct nvkm_devinit **);

int gm200_devinit_new(struct nvkm_device *, int, struct nvkm_devinit **);

int gv100_devinit_new(struct nvkm_device *, int, struct nvkm_devinit **);

int tu104_devinit_new(struct nvkm_device *, int, struct nvkm_devinit **);

#endif

nv164_chipset = {

	.name = "TU104",

	.bios = nvkm_bios_new,

	.devinit = tu104_devinit_new,

	.pci = gp100_pci_new,

};

nvkm-y += nvkm/subdev/devinit/gm107.o

nvkm-y += nvkm/subdev/devinit/gm200.o

nvkm-y += nvkm/subdev/devinit/gv100.o

nvkm-y += nvkm/subdev/devinit/tu104.o

/*

 * 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

tu104_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));

		/*XXX*/

		nvkm_wr32(device, 0x00ef0c + (head * 0x40), 0x00000900);

		nvkm_wr32(device, 0x00ef00 + (head * 0x40), 0x02000014);

		break;

	default:

		nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);

		ret = -EINVAL;

		break;

	}

	return ret;

}

static int

tu104_devinit_post(struct nvkm_devinit *base, bool post)

{

	struct nv50_devinit *init = nv50_devinit(base);

	gm200_devinit_preos(init, post);

	return 0;

}

static const struct nvkm_devinit_func

tu104_devinit = {

	.init = nv50_devinit_init,

	.post = tu104_devinit_post,

	.pll_set = tu104_devinit_pll_set,

	.disable = gm107_devinit_disable,

};

int

tu104_devinit_new(struct nvkm_device *device, int index,

		struct nvkm_devinit **pinit)

{

	return nv50_devinit_new_(&tu104_devinit, device, index, pinit);

}