kernel/drivers/gpu/drm/nouveau/nvkm/engine/ce/gt215.c
2024-07-22 17:22:30 +08:00

84 lines
2.7 KiB
C

/*
* 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 "priv.h"
#include "fuc/gt215.fuc3.h"
#include <core/client.h>
#include <core/enum.h>
#include <core/gpuobj.h>
#include <engine/fifo.h>
#include <nvif/class.h>
static const struct nvkm_enum
gt215_ce_isr_error_name[] = {
{ 0x0001, "ILLEGAL_MTHD" },
{ 0x0002, "INVALID_ENUM" },
{ 0x0003, "INVALID_BITFIELD" },
{}
};
void
gt215_ce_intr(struct nvkm_falcon *ce, struct nvkm_fifo_chan *chan)
{
struct nvkm_subdev *subdev = &ce->engine.subdev;
struct nvkm_device *device = subdev->device;
const u32 base = subdev->inst * 0x1000;
u32 ssta = nvkm_rd32(device, 0x104040 + base) & 0x0000ffff;
u32 addr = nvkm_rd32(device, 0x104040 + base) >> 16;
u32 mthd = (addr & 0x07ff) << 2;
u32 subc = (addr & 0x3800) >> 11;
u32 data = nvkm_rd32(device, 0x104044 + base);
const struct nvkm_enum *en =
nvkm_enum_find(gt215_ce_isr_error_name, ssta);
nvkm_error(subdev, "DISPATCH_ERROR %04x [%s] ch %d [%010llx %s] "
"subc %d mthd %04x data %08x\n", ssta,
en ? en->name : "", chan ? chan->chid : -1,
chan ? chan->inst->addr : 0,
chan ? chan->object.client->name : "unknown",
subc, mthd, data);
}
static const struct nvkm_falcon_func
gt215_ce = {
.code.data = gt215_ce_code,
.code.size = sizeof(gt215_ce_code),
.data.data = gt215_ce_data,
.data.size = sizeof(gt215_ce_data),
.intr = gt215_ce_intr,
.sclass = {
{ -1, -1, GT212_DMA },
{}
}
};
int
gt215_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_engine **pengine)
{
return nvkm_falcon_new_(&gt215_ce, device, type, -1,
(device->chipset != 0xaf), 0x104000, pengine);
}