109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/*
|
|
* Copyright 2021 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.
|
|
*/
|
|
#include "priv.h"
|
|
|
|
#include <nvif/class.h>
|
|
|
|
static void
|
|
tu102_vfn_intr_reset(struct nvkm_intr *intr, int leaf, u32 mask)
|
|
{
|
|
struct nvkm_vfn *vfn = container_of(intr, typeof(*vfn), intr);
|
|
|
|
nvkm_wr32(vfn->subdev.device, vfn->addr.priv + 0x1000 + (leaf * 4), mask);
|
|
}
|
|
|
|
static void
|
|
tu102_vfn_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
|
|
{
|
|
struct nvkm_vfn *vfn = container_of(intr, typeof(*vfn), intr);
|
|
|
|
nvkm_wr32(vfn->subdev.device, vfn->addr.priv + 0x1200 + (leaf * 4), mask);
|
|
}
|
|
|
|
static void
|
|
tu102_vfn_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
|
|
{
|
|
struct nvkm_vfn *vfn = container_of(intr, typeof(*vfn), intr);
|
|
|
|
nvkm_wr32(vfn->subdev.device, vfn->addr.priv + 0x1400 + (leaf * 4), mask);
|
|
}
|
|
|
|
static void
|
|
tu102_vfn_intr_rearm(struct nvkm_intr *intr)
|
|
{
|
|
struct nvkm_vfn *vfn = container_of(intr, typeof(*vfn), intr);
|
|
|
|
nvkm_wr32(vfn->subdev.device, vfn->addr.priv + 0x1608, 0x0000000f);
|
|
}
|
|
|
|
static void
|
|
tu102_vfn_intr_unarm(struct nvkm_intr *intr)
|
|
{
|
|
struct nvkm_vfn *vfn = container_of(intr, typeof(*vfn), intr);
|
|
|
|
nvkm_wr32(vfn->subdev.device, vfn->addr.priv + 0x1610, 0x0000000f);
|
|
}
|
|
|
|
static bool
|
|
tu102_vfn_intr_pending(struct nvkm_intr *intr)
|
|
{
|
|
struct nvkm_vfn *vfn = container_of(intr, typeof(*vfn), intr);
|
|
struct nvkm_device *device = vfn->subdev.device;
|
|
u32 intr_top = nvkm_rd32(device, vfn->addr.priv + 0x1600);
|
|
int pending = 0, leaf;
|
|
|
|
for (leaf = 0; leaf < 8; leaf++) {
|
|
if (intr_top & BIT(leaf / 2)) {
|
|
intr->stat[leaf] = nvkm_rd32(device, vfn->addr.priv + 0x1000 + (leaf * 4));
|
|
if (intr->stat[leaf])
|
|
pending++;
|
|
} else {
|
|
intr->stat[leaf] = 0;
|
|
}
|
|
}
|
|
|
|
return pending != 0;
|
|
}
|
|
|
|
const struct nvkm_intr_func
|
|
tu102_vfn_intr = {
|
|
.pending = tu102_vfn_intr_pending,
|
|
.unarm = tu102_vfn_intr_unarm,
|
|
.rearm = tu102_vfn_intr_rearm,
|
|
.block = tu102_vfn_intr_block,
|
|
.allow = tu102_vfn_intr_allow,
|
|
.reset = tu102_vfn_intr_reset,
|
|
};
|
|
|
|
static const struct nvkm_vfn_func
|
|
tu102_vfn = {
|
|
.intr = &tu102_vfn_intr,
|
|
.user = { 0x030000, 0x010000, { -1, -1, TURING_USERMODE_A } },
|
|
};
|
|
|
|
int
|
|
tu102_vfn_new(struct nvkm_device *device,
|
|
enum nvkm_subdev_type type, int inst, struct nvkm_vfn **pvfn)
|
|
{
|
|
return nvkm_vfn_new_(&tu102_vfn, device, type, inst, 0xb80000, pvfn);
|
|
}
|