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/clock.h>
26 #include <subdev/bios.h>
27 #include <subdev/bios/pll.h>
31 struct nvc0_clock_priv {
32 struct nouveau_clock base;
36 nvc0_clock_pll_set(struct nouveau_clock *clk, u32 type, u32 freq)
38 struct nvc0_clock_priv *priv = (void *)clk;
39 struct nouveau_bios *bios = nouveau_bios(priv);
40 struct nvbios_pll info;
44 ret = nvbios_pll_parse(bios, type, &info);
48 ret = nva3_pll_calc(clk, &info, freq, &N, &fN, &M, &P);
55 nv_mask(priv, info.reg + 0x0c, 0x00000000, 0x00000100);
56 nv_wr32(priv, info.reg + 0x04, (P << 16) | (N << 8) | M);
57 nv_wr32(priv, info.reg + 0x10, fN << 16);
60 nv_warn(priv, "0x%08x/%dKhz unimplemented\n", type, freq);
69 nvc0_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
70 struct nouveau_oclass *oclass, void *data, u32 size,
71 struct nouveau_object **pobject)
73 struct nvc0_clock_priv *priv;
76 ret = nouveau_clock_create(parent, engine, oclass, &priv);
77 *pobject = nv_object(priv);
81 priv->base.pll_set = nvc0_clock_pll_set;
82 priv->base.pll_calc = nva3_clock_pll_calc;
88 .handle = NV_SUBDEV(CLOCK, 0xc0),
89 .ofuncs = &(struct nouveau_ofuncs) {
90 .ctor = nvc0_clock_ctor,
91 .dtor = _nouveau_clock_dtor,
92 .init = _nouveau_clock_init,
93 .fini = _nouveau_clock_fini,