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/*
* Copyright 2013 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.
*
* Authors: Ben Skeggs
*/
#include <subdev/bios.h>
#include <subdev/bios/dcb.h>
#include <subdev/bios/disp.h>
#include <subdev/bios/init.h>
#include <subdev/vga.h>
#include "nv50.h"
int
nv50_devinit_pll_set(struct nouveau_devinit *devinit, u32 type, u32 freq)
{
struct nv50_devinit_priv *priv = (void *)devinit;
struct nouveau_bios *bios = nouveau_bios(priv);
struct nvbios_pll info;
int N1, M1, N2, M2, P;
int ret;
ret = nvbios_pll_parse(bios, type, &info);
if (ret) {
nv_error(devinit, "failed to retrieve pll data, %d\n", ret);
return ret;
}
ret = nv04_pll_calc(nv_subdev(devinit), &info, freq, &N1, &M1, &N2, &M2, &P);
if (!ret) {
nv_error(devinit, "failed pll calculation\n");
return ret;
}
switch (info.type) {
case PLL_VPLL0:
case PLL_VPLL1:
nv_wr32(priv, info.reg + 0, 0x10000611);
nv_mask(priv, info.reg + 4, 0x00ff00ff, (M1 << 16) | N1);
nv_mask(priv, info.reg + 8, 0x7fff00ff, (P << 28) |
(M2 << 16) | N2);
break;
case PLL_MEMORY:
nv_mask(priv, info.reg + 0, 0x01ff0000, (P << 22) |
(info.bias_p << 19) |
(P << 16));
nv_wr32(priv, info.reg + 4, (N1 << 8) | M1);
break;
default:
nv_mask(priv, info.reg + 0, 0x00070000, (P << 16));
nv_wr32(priv, info.reg + 4, (N1 << 8) | M1);
break;
}
return 0;
}
static u64
nv50_devinit_disable(struct nouveau_devinit *devinit)
{
struct nv50_devinit_priv *priv = (void *)devinit;
u32 r001540 = nv_rd32(priv, 0x001540);
u64 disable = 0ULL;
if (!(r001540 & 0x40000000))
disable |= (1ULL << NVDEV_ENGINE_MPEG);
return disable;
}
int
nv50_devinit_init(struct nouveau_object *object)
{
struct nouveau_bios *bios = nouveau_bios(object);
struct nv50_devinit_priv *priv = (void *)object;
struct nvbios_outp info;
struct dcb_output outp;
u8 ver = 0xff, hdr, cnt, len;
int ret, i = 0;
if (!priv->base.post) {
if (!nv_rdvgac(priv, 0, 0x00) &&
!nv_rdvgac(priv, 0, 0x1a)) {
nv_info(priv, "adaptor not initialised\n");
priv->base.post = true;
}
}
ret = nouveau_devinit_init(&priv->base);
if (ret)
return ret;
/* if we ran the init tables, we have to execute the first script
* pointer of each dcb entry's display encoder table in order
* to properly initialise each encoder.
*/
while (priv->base.post && dcb_outp_parse(bios, i, &ver, &hdr, &outp)) {
if (nvbios_outp_match(bios, outp.hasht, outp.hashm,
&ver, &hdr, &cnt, &len, &info)) {
struct nvbios_init init = {
.subdev = nv_subdev(priv),
.bios = bios,
.offset = info.script[0],
.outp = &outp,
.crtc = -1,
.execute = 1,
};
nvbios_exec(&init);
}
i++;
}
return 0;
}
int
nv50_devinit_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv50_devinit_priv *priv;
int ret;
ret = nouveau_devinit_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
return 0;
}
struct nouveau_oclass *
nv50_devinit_oclass = &(struct nouveau_devinit_impl) {
.base.handle = NV_SUBDEV(DEVINIT, 0x50),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv50_devinit_ctor,
.dtor = _nouveau_devinit_dtor,
.init = nv50_devinit_init,
.fini = _nouveau_devinit_fini,
},
.pll_set = nv50_devinit_pll_set,
.disable = nv50_devinit_disable,
}.base;
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