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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/gpio.h>
#include <subdev/therm.h>
static void
nv31_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);
u32 gpio = nvkm_rd32(device, 0x001104) & nvkm_rd32(device, 0x001144);
if (gpio) {
struct nvkm_gpio *gpio = device->gpio;
if (gpio)
nvkm_subdev_intr(&gpio->subdev);
}
if (stat & 0x00000008) { /* NV41- */
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 & 0x00070000) {
struct nvkm_therm *therm = device->therm;
if (therm)
nvkm_subdev_intr(&therm->subdev);
stat &= ~0x00070000;
nvkm_wr32(device, 0x001100, 0x00070000);
}
if (stat) {
nvkm_error(subdev, "intr %08x\n", stat);
nvkm_mask(device, 0x001140, stat, 0x00000000);
}
}
static void
nv31_bus_init(struct nvkm_bus *bus)
{
struct nvkm_device *device = bus->subdev.device;
nvkm_wr32(device, 0x001100, 0xffffffff);
nvkm_wr32(device, 0x001140, 0x00070008);
}
static const struct nvkm_bus_func
nv31_bus = {
.init = nv31_bus_init,
.intr = nv31_bus_intr,
};
int
nv31_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus)
{
return nvkm_bus_new_(&nv31_bus, device, index, pbus);
}
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