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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 <subdev/i2c.h>
#include "nv50.h"
/******************************************************************************
* TMDS
*****************************************************************************/
static int
nv50_pior_tmds_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *info, u32 index,
struct nouveau_object **pobject)
{
struct nouveau_i2c *i2c = nouveau_i2c(parent);
struct nvkm_output *outp;
int ret;
ret = nvkm_output_create(parent, engine, oclass, info, index, &outp);
*pobject = nv_object(outp);
if (ret)
return ret;
outp->edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(outp->info.extdev));
return 0;
}
struct nvkm_output_impl
nv50_pior_tmds_impl = {
.base.handle = DCB_OUTPUT_TMDS | 0x0100,
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv50_pior_tmds_ctor,
.dtor = _nvkm_output_dtor,
.init = _nvkm_output_init,
.fini = _nvkm_output_fini,
},
};
/******************************************************************************
* DisplayPort
*****************************************************************************/
static int
nv50_pior_dp_pattern(struct nvkm_output_dp *outp, int pattern)
{
struct nouveau_i2c_port *port = outp->base.edid;
if (port && port->func->pattern)
return port->func->pattern(port, pattern);
return port ? 0 : -ENODEV;
}
static int
nv50_pior_dp_lnk_pwr(struct nvkm_output_dp *outp, int nr)
{
return 0;
}
static int
nv50_pior_dp_lnk_ctl(struct nvkm_output_dp *outp, int nr, int bw, bool ef)
{
struct nouveau_i2c_port *port = outp->base.edid;
if (port && port->func->lnk_ctl)
return port->func->lnk_ctl(port, nr, bw, ef);
return port ? 0 : -ENODEV;
}
static int
nv50_pior_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc)
{
struct nouveau_i2c_port *port = outp->base.edid;
if (port && port->func->drv_ctl)
return port->func->drv_ctl(port, ln, vs, pe);
return port ? 0 : -ENODEV;
}
static int
nv50_pior_dp_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *info, u32 index,
struct nouveau_object **pobject)
{
struct nouveau_i2c *i2c = nouveau_i2c(parent);
struct nvkm_output_dp *outp;
int ret;
ret = nvkm_output_dp_create(parent, engine, oclass, info, index, &outp);
*pobject = nv_object(outp);
if (ret)
return ret;
outp->base.edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(
outp->base.info.extdev));
return 0;
}
struct nvkm_output_dp_impl
nv50_pior_dp_impl = {
.base.base.handle = DCB_OUTPUT_DP | 0x0010,
.base.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv50_pior_dp_ctor,
.dtor = _nvkm_output_dp_dtor,
.init = _nvkm_output_dp_init,
.fini = _nvkm_output_dp_fini,
},
.pattern = nv50_pior_dp_pattern,
.lnk_pwr = nv50_pior_dp_lnk_pwr,
.lnk_ctl = nv50_pior_dp_lnk_ctl,
.drv_ctl = nv50_pior_dp_drv_ctl,
};
/******************************************************************************
* General PIOR handling
*****************************************************************************/
int
nv50_pior_power(struct nv50_disp_priv *priv, int or, u32 data)
{
const u32 stat = data & NV50_DISP_PIOR_PWR_STATE;
const u32 soff = (or * 0x800);
nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
nv_mask(priv, 0x61e004 + soff, 0x80000101, 0x80000000 | stat);
nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
return 0;
}
int
nv50_pior_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_PIOR_MTHD_TYPE) >> 12;
const u8 or = (mthd & NV50_DISP_PIOR_MTHD_OR);
u32 *data = args;
int ret;
if (size < sizeof(u32))
return -EINVAL;
mthd &= ~NV50_DISP_PIOR_MTHD_TYPE;
mthd &= ~NV50_DISP_PIOR_MTHD_OR;
switch (mthd) {
case NV50_DISP_PIOR_PWR:
ret = priv->pior.power(priv, or, data[0]);
priv->pior.type[or] = type;
break;
default:
return -EINVAL;
}
return ret;
}
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