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/*
* Copyright 2012 Nouveau Community
*
* 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: Martin Peres <martin.peres@labri.fr>
* Ben Skeggs
*/
#include "nv04.h"
static void
nv31_bus_intr(struct nvkm_subdev *subdev)
{
struct nvkm_bus *pbus = nvkm_bus(subdev);
u32 stat = nv_rd32(pbus, 0x001100) & nv_rd32(pbus, 0x001140);
u32 gpio = nv_rd32(pbus, 0x001104) & nv_rd32(pbus, 0x001144);
if (gpio) {
subdev = nvkm_subdev(pbus, NVDEV_SUBDEV_GPIO);
if (subdev && subdev->intr)
subdev->intr(subdev);
}
if (stat & 0x00000008) { /* NV41- */
u32 addr = nv_rd32(pbus, 0x009084);
u32 data = nv_rd32(pbus, 0x009088);
nv_error(pbus, "MMIO %s of 0x%08x FAULT at 0x%06x\n",
(addr & 0x00000002) ? "write" : "read", data,
(addr & 0x00fffffc));
stat &= ~0x00000008;
nv_wr32(pbus, 0x001100, 0x00000008);
}
if (stat & 0x00070000) {
subdev = nvkm_subdev(pbus, NVDEV_SUBDEV_THERM);
if (subdev && subdev->intr)
subdev->intr(subdev);
stat &= ~0x00070000;
nv_wr32(pbus, 0x001100, 0x00070000);
}
if (stat) {
nv_error(pbus, "unknown intr 0x%08x\n", stat);
nv_mask(pbus, 0x001140, stat, 0x00000000);
}
}
static int
nv31_bus_init(struct nvkm_object *object)
{
struct nv04_bus_priv *priv = (void *)object;
int ret;
ret = nvkm_bus_init(&priv->base);
if (ret)
return ret;
nv_wr32(priv, 0x001100, 0xffffffff);
nv_wr32(priv, 0x001140, 0x00070008);
return 0;
}
struct nvkm_oclass *
nv31_bus_oclass = &(struct nv04_bus_impl) {
.base.handle = NV_SUBDEV(BUS, 0x31),
.base.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv04_bus_ctor,
.dtor = _nvkm_bus_dtor,
.init = nv31_bus_init,
.fini = _nvkm_bus_fini,
},
.intr = nv31_bus_intr,
}.base;
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