Commit 7ddf5e95 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/devinit/ga10[024]: initial support



VPLL regs changed a bit.  There's more stuff to do around these, but it's
less invasive to stick those changes into disp for now.

None of that belongs here anymore anyhow - fix that someday.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent a3463248
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+1 −0
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@@ -32,4 +32,5 @@ 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 tu102_devinit_new(struct nvkm_device *, int, struct nvkm_devinit **);
int ga100_devinit_new(struct nvkm_device *, int, struct nvkm_devinit **);
#endif
+3 −0
Original line number Diff line number Diff line
@@ -2656,6 +2656,7 @@ static const struct nvkm_device_chip
nv170_chipset = {
	.name = "GA100",
	.bios = nvkm_bios_new,
	.devinit = ga100_devinit_new,
	.pci = gp100_pci_new,
};

@@ -2663,6 +2664,7 @@ static const struct nvkm_device_chip
nv172_chipset = {
	.name = "GA102",
	.bios = nvkm_bios_new,
	.devinit = ga100_devinit_new,
	.pci = gp100_pci_new,
};

@@ -2670,6 +2672,7 @@ static const struct nvkm_device_chip
nv174_chipset = {
	.name = "GA104",
	.bios = nvkm_bios_new,
	.devinit = ga100_devinit_new,
	.pci = gp100_pci_new,
};

+1 −0
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@@ -15,3 +15,4 @@ 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/tu102.o
nvkm-y += nvkm/subdev/devinit/ga100.o
+76 −0
Original line number Diff line number Diff line
/*
 * Copyright 2021 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
ga100_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, 0x00ef00 + (head * 0x40), 0x02080004);
		nvkm_wr32(device, 0x00ef18 + (head * 0x40), (N << 16) | fN);
		nvkm_wr32(device, 0x00ef04 + (head * 0x40), (P << 16) | M);
		nvkm_wr32(device, 0x00e9c0 + (head * 0x04), 0x00000001);
		break;
	default:
		nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);
		ret = -EINVAL;
		break;
	}

	return ret;
}

static const struct nvkm_devinit_func
ga100_devinit = {
	.init = nv50_devinit_init,
	.post = tu102_devinit_post,
	.pll_set = ga100_devinit_pll_set,
};

int
ga100_devinit_new(struct nvkm_device *device, int index, struct nvkm_devinit **pinit)
{
	return nv50_devinit_new_(&ga100_devinit, device, index, pinit);
}
+1 −0
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@@ -19,4 +19,5 @@ void nvkm_devinit_ctor(const struct nvkm_devinit_func *, struct nvkm_device *,
		       int index, struct nvkm_devinit *);

int nv04_devinit_post(struct nvkm_devinit *, bool);
int tu102_devinit_post(struct nvkm_devinit *, bool);
#endif
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