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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"
#include <subdev/therm.h>
#include <subdev/timer.h>
static int
nv50_bus_hwsq_exec(struct nvkm_bus *bus, u32 *data, u32 size)
{
struct nvkm_device *device = bus->subdev.device;
int i;
nvkm_mask(device, 0x001098, 0x00000008, 0x00000000);
nvkm_wr32(device, 0x001304, 0x00000000);
for (i = 0; i < size; i++)
nvkm_wr32(device, 0x001400 + (i * 4), data[i]);
nvkm_mask(device, 0x001098, 0x00000018, 0x00000018);
nvkm_wr32(device, 0x00130c, 0x00000003);
if (nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x001308) & 0x00000100))
break;
) < 0)
return -ETIMEDOUT;
return 0;
}
void
nv50_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 & 0x00000008) {
u32 addr = nvkm_rd32(device, 0x009084);
u32 data = nvkm_rd32(device, 0x009088);
nvkm_error(subdev, "MMIO %s of %08x FAULT at %06x\n",
(addr & 0x00000002) ? "write" : "read", data,
(addr & 0x00fffffc));
stat &= ~0x00000008;
nvkm_wr32(device, 0x001100, 0x00000008);
}
if (stat & 0x00010000) {
struct nvkm_therm *therm = device->therm;
if (therm)
nvkm_subdev_intr(&therm->subdev);
stat &= ~0x00010000;
nvkm_wr32(device, 0x001100, 0x00010000);
}
if (stat) {
nvkm_error(subdev, "intr %08x\n", stat);
nvkm_mask(device, 0x001140, stat, 0);
}
}
void
nv50_bus_init(struct nvkm_bus *bus)
{
struct nvkm_device *device = bus->subdev.device;
nvkm_wr32(device, 0x001100, 0xffffffff);
nvkm_wr32(device, 0x001140, 0x00010008);
}
static const struct nvkm_bus_func
nv50_bus = {
.init = nv50_bus_init,
.intr = nv50_bus_intr,
.hwsq_exec = nv50_bus_hwsq_exec,
.hwsq_size = 64,
};
int
nv50_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus)
{
return nvkm_bus_new_(&nv50_bus, device, index, pbus);
}
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