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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 "nv50.h"
#include <subdev/bios.h>
#include <subdev/bios/init.h>
#include <subdev/bios/pll.h>
#include <subdev/clk/pll.h>
int
gt215_devinit_pll_set(struct nvkm_devinit *devinit, u32 type, u32 freq)
{
struct nv50_devinit_priv *priv = (void *)devinit;
struct nvkm_bios *bios = nvkm_bios(priv);
struct nvbios_pll info;
int N, fN, M, P;
int ret;
ret = nvbios_pll_parse(bios, type, &info);
if (ret)
return ret;
ret = gt215_pll_calc(nv_subdev(devinit), &info, freq, &N, &fN, &M, &P);
if (ret < 0)
return ret;
switch (info.type) {
case PLL_VPLL0:
case PLL_VPLL1:
nv_wr32(priv, info.reg + 0, 0x50000610);
nv_mask(priv, info.reg + 4, 0x003fffff,
(P << 16) | (M << 8) | N);
nv_wr32(priv, info.reg + 8, fN);
break;
default:
nv_warn(priv, "0x%08x/%dKhz unimplemented\n", type, freq);
ret = -EINVAL;
break;
}
return ret;
}
static u64
gt215_devinit_disable(struct nvkm_devinit *devinit)
{
struct nv50_devinit_priv *priv = (void *)devinit;
u32 r001540 = nv_rd32(priv, 0x001540);
u32 r00154c = nv_rd32(priv, 0x00154c);
u64 disable = 0ULL;
if (!(r001540 & 0x40000000)) {
disable |= (1ULL << NVDEV_ENGINE_MSPDEC);
disable |= (1ULL << NVDEV_ENGINE_MSPPP);
}
if (!(r00154c & 0x00000004))
disable |= (1ULL << NVDEV_ENGINE_DISP);
if (!(r00154c & 0x00000020))
disable |= (1ULL << NVDEV_ENGINE_MSVLD);
if (!(r00154c & 0x00000200))
disable |= (1ULL << NVDEV_ENGINE_CE0);
return disable;
}
static u32
gt215_devinit_mmio_part[] = {
0x100720, 0x1008bc, 4,
0x100a20, 0x100adc, 4,
0x100d80, 0x100ddc, 4,
0x110000, 0x110f9c, 4,
0x111000, 0x11103c, 8,
0x111080, 0x1110fc, 4,
0x111120, 0x1111fc, 4,
0x111300, 0x1114bc, 4,
0,
};
static u32
gt215_devinit_mmio(struct nvkm_devinit *devinit, u32 addr)
{
struct nv50_devinit_priv *priv = (void *)devinit;
u32 *mmio = gt215_devinit_mmio_part;
/* the init tables on some boards have INIT_RAM_RESTRICT_ZM_REG_GROUP
* instructions which touch registers that may not even exist on
* some configurations (Quadro 400), which causes the register
* interface to screw up for some amount of time after attempting to
* write to one of these, and results in all sorts of things going
* horribly wrong.
*
* the binary driver avoids touching these registers at all, however,
* the video bios doesn't care and does what the scripts say. it's
* presumed that the io-port access to priv registers isn't effected
* by the screw-up bug mentioned above.
*
* really, a new opcode should've been invented to handle these
* requirements, but whatever, it's too late for that now.
*/
while (mmio[0]) {
if (addr >= mmio[0] && addr <= mmio[1]) {
u32 part = (addr / mmio[2]) & 7;
if (!priv->r001540)
priv->r001540 = nv_rd32(priv, 0x001540);
if (part >= hweight8((priv->r001540 >> 16) & 0xff))
return ~0;
return addr;
}
mmio += 3;
}
return addr;
}
struct nvkm_oclass *
gt215_devinit_oclass = &(struct nvkm_devinit_impl) {
.base.handle = NV_SUBDEV(DEVINIT, 0xa3),
.base.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv50_devinit_ctor,
.dtor = _nvkm_devinit_dtor,
.init = nv50_devinit_init,
.fini = _nvkm_devinit_fini,
},
.pll_set = gt215_devinit_pll_set,
.disable = gt215_devinit_disable,
.mmio = gt215_devinit_mmio,
.post = nvbios_init,
}.base;
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