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/*
* Copyright 2012 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 <core/os.h>
#include <core/class.h>
#include <subdev/bios.h>
#include <subdev/bios/dcb.h>
#include <subdev/timer.h>
#include "nv50.h"
int
nv50_sor_power(struct nv50_disp_priv *priv, int or, u32 data)
{
const u32 stat = data & NV50_DISP_SOR_PWR_STATE;
const u32 soff = (or * 0x800);
nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000);
nv_mask(priv, 0x61c004 + soff, 0x80000001, 0x80000000 | stat);
nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000);
nv_wait(priv, 0x61c030 + soff, 0x10000000, 0x00000000);
return 0;
}
int
nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size)
{
struct nv50_disp_priv *priv = (void *)object->engine;
const u8 type = (mthd & NV50_DISP_SOR_MTHD_TYPE) >> 12;
const u8 head = (mthd & NV50_DISP_SOR_MTHD_HEAD) >> 3;
const u8 link = (mthd & NV50_DISP_SOR_MTHD_LINK) >> 2;
const u8 or = (mthd & NV50_DISP_SOR_MTHD_OR);
const u16 mask = (0x0100 << head) | (0x0040 << link) | (0x0001 << or);
struct nvkm_output *outp = NULL, *temp;
u32 data;
int ret = -EINVAL;
if (size < sizeof(u32))
return -EINVAL;
data = *(u32 *)args;
list_for_each_entry(temp, &priv->base.outp, head) {
if ((temp->info.hasht & 0xff) == type &&
(temp->info.hashm & mask) == mask) {
outp = temp;
break;
}
}
switch (mthd & ~0x3f) {
case NV50_DISP_SOR_PWR:
ret = priv->sor.power(priv, or, data);
break;
case NVA3_DISP_SOR_HDA_ELD:
ret = priv->sor.hda_eld(priv, or, args, size);
break;
case NV84_DISP_SOR_HDMI_PWR:
ret = priv->sor.hdmi(priv, head, or, data);
break;
case NV50_DISP_SOR_LVDS_SCRIPT:
priv->sor.lvdsconf = data & NV50_DISP_SOR_LVDS_SCRIPT_ID;
ret = 0;
break;
case NV94_DISP_SOR_DP_PWR:
if (outp) {
struct nvkm_output_dp *outpdp = (void *)outp;
switch (data) {
case NV94_DISP_SOR_DP_PWR_STATE_OFF:
nouveau_event_put(outpdp->irq);
((struct nvkm_output_dp_impl *)nv_oclass(outp))
->lnk_pwr(outpdp, 0);
atomic_set(&outpdp->lt.done, 0);
break;
case NV94_DISP_SOR_DP_PWR_STATE_ON:
nvkm_output_dp_train(&outpdp->base, 0, true);
break;
default:
return -EINVAL;
}
}
break;
default:
BUG_ON(1);
}
return ret;
}
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