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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 "priv.h"
static void
gf100_bus_intr(struct nvkm_bus *bus)
{
struct nvkm_subdev *subdev = &bus->subdev;
struct nvkm_device *device = subdev->device;
u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140);
if (stat & 0x0000000e) {
u32 addr = nvkm_rd32(device, 0x009084);
u32 data = nvkm_rd32(device, 0x009088);
nvkm_error(subdev,
"MMIO %s of %08x FAULT at %06x [ %s%s%s]\n",
(addr & 0x00000002) ? "write" : "read", data,
(addr & 0x00fffffc),
(stat & 0x00000002) ? "!ENGINE " : "",
(stat & 0x00000004) ? "PRIVRING " : "",
(stat & 0x00000008) ? "TIMEOUT " : "");
nvkm_wr32(device, 0x009084, 0x00000000);
nvkm_wr32(device, 0x001100, (stat & 0x0000000e));
stat &= ~0x0000000e;
}
if (stat) {
nvkm_error(subdev, "intr %08x\n", stat);
nvkm_mask(device, 0x001140, stat, 0x00000000);
}
}
static void
gf100_bus_init(struct nvkm_bus *bus)
{
struct nvkm_device *device = bus->subdev.device;
nvkm_wr32(device, 0x001100, 0xffffffff);
nvkm_wr32(device, 0x001140, 0x0000000e);
}
static const struct nvkm_bus_func
gf100_bus = {
.init = gf100_bus_init,
.intr = gf100_bus_intr,
};
int
gf100_bus_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_bus **pbus)
{
return nvkm_bus_new_(&gf100_bus, device, type, inst, pbus);
}
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