2 * Copyright 2012 Red Hat Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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24 #include <subdev/clk.h>
27 #include <subdev/bios.h>
28 #include <subdev/bios/pll.h>
29 #include <subdev/devinit/nv04.h>
31 struct nv04_clk_priv {
36 nv04_clk_pll_calc(struct nvkm_clk *clock, struct nvbios_pll *info,
37 int clk, struct nvkm_pll_vals *pv)
39 int N1, M1, N2, M2, P;
40 int ret = nv04_pll_calc(nv_subdev(clock), info, clk, &N1, &M1, &N2, &M2, &P);
42 pv->refclk = info->refclk;
53 nv04_clk_pll_prog(struct nvkm_clk *clk, u32 reg1, struct nvkm_pll_vals *pv)
55 struct nvkm_devinit *devinit = nvkm_devinit(clk);
56 int cv = nvkm_bios(clk)->version.chip;
58 if (cv == 0x30 || cv == 0x31 || cv == 0x35 || cv == 0x36 ||
61 setPLL_double_highregs(devinit, reg1, pv);
63 setPLL_double_lowregs(devinit, reg1, pv);
65 setPLL_single(devinit, reg1, pv);
70 static struct nvkm_domain
76 nv04_clk_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
77 struct nvkm_oclass *oclass, void *data, u32 size,
78 struct nvkm_object **pobject)
80 struct nv04_clk_priv *priv;
83 ret = nvkm_clk_create(parent, engine, oclass, nv04_domain,
84 NULL, 0, false, &priv);
85 *pobject = nv_object(priv);
89 priv->base.pll_calc = nv04_clk_pll_calc;
90 priv->base.pll_prog = nv04_clk_pll_prog;
96 .handle = NV_SUBDEV(CLK, 0x04),
97 .ofuncs = &(struct nvkm_ofuncs) {
98 .ctor = nv04_clk_ctor,
99 .dtor = _nvkm_clk_dtor,
100 .init = _nvkm_clk_init,
101 .fini = _nvkm_clk_fini,