2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
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
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * 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 OR
20 * OTHER DEALINGS IN THE SOFTWARE.
25 #include <subdev/bios.h>
26 #include <subdev/bios/pll.h>
27 #include <subdev/clock.h>
28 #include <subdev/devinit/priv.h>
32 struct nv04_clock_priv {
33 struct nouveau_clock base;
37 nv04_clock_pll_calc(struct nouveau_clock *clock, struct nvbios_pll *info,
38 int clk, struct nouveau_pll_vals *pv)
40 int N1, M1, N2, M2, P;
41 int ret = nv04_pll_calc(nv_subdev(clock), info, clk, &N1, &M1, &N2, &M2, &P);
43 pv->refclk = info->refclk;
54 nv04_clock_pll_prog(struct nouveau_clock *clk, u32 reg1,
55 struct nouveau_pll_vals *pv)
57 struct nouveau_devinit *devinit = nouveau_devinit(clk);
58 int cv = nouveau_bios(clk)->version.chip;
60 if (cv == 0x30 || cv == 0x31 || cv == 0x35 || cv == 0x36 ||
63 setPLL_double_highregs(devinit, reg1, pv);
65 setPLL_double_lowregs(devinit, reg1, pv);
67 setPLL_single(devinit, reg1, pv);
73 nv04_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
74 struct nouveau_oclass *oclass, void *data, u32 size,
75 struct nouveau_object **pobject)
77 struct nv04_clock_priv *priv;
80 ret = nouveau_clock_create(parent, engine, oclass, NULL, &priv);
81 *pobject = nv_object(priv);
85 priv->base.pll_calc = nv04_clock_pll_calc;
86 priv->base.pll_prog = nv04_clock_pll_prog;
92 .handle = NV_SUBDEV(CLOCK, 0x04),
93 .ofuncs = &(struct nouveau_ofuncs) {
94 .ctor = nv04_clock_ctor,
95 .dtor = _nouveau_clock_dtor,
96 .init = _nouveau_clock_init,
97 .fini = _nouveau_clock_fini,