/*
* Copyright 2023 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 <rm/rm.h>
#include "nvrm/device.h"
#include "nvrm/event.h"
static void
r535_gsp_event_dtor(struct nvkm_gsp_event *event)
{
struct nvkm_gsp_device *device = event->device;
struct nvkm_gsp_client *client = device->object.client;
struct nvkm_gsp *gsp = client->gsp;
mutex_lock(&gsp->client_id.mutex);
if (event->func) {
list_del(&event->head);
event->func = NULL;
}
mutex_unlock(&gsp->client_id.mutex);
nvkm_gsp_rm_free(&event->object);
event->device = NULL;
}
static int
r535_gsp_device_event_get(struct nvkm_gsp_event *event)
{
struct nvkm_gsp_device *device = event->device;
NV2080_CTRL_EVENT_SET_NOTIFICATION_PARAMS *ctrl;
ctrl = nvkm_gsp_rm_ctrl_get(&device->subdevice,
NV2080_CTRL_CMD_EVENT_SET_NOTIFICATION, sizeof (*ctrl));
if (IS_ERR(ctrl))
return PTR_ERR(ctrl);
ctrl->event = event->id;
ctrl->action = NV2080_CTRL_EVENT_SET_NOTIFICATION_ACTION_REPEAT;
return nvkm_gsp_rm_ctrl_wr(&device->subdevice, ctrl);
}
static int
r535_gsp_device_event_ctor(struct nvkm_gsp_device *device, u32 handle, u32 id,
nvkm_gsp_event_func func, struct nvkm_gsp_event *event)
{
struct nvkm_gsp_client *client = device->object.client;
struct nvkm_gsp *gsp = client->gsp;
NV0005_ALLOC_PARAMETERS *args;
int ret;
args = nvkm_gsp_rm_alloc_get(&device->subdevice, handle,
NV01_EVENT_KERNEL_CALLBACK_EX, sizeof (*args),
&event->object);
if (IS_ERR(args))
return PTR_ERR(args);
args->hParentClient = client->object.handle;
args->hSrcResource = 0 ;
args->hClass = NV01_EVENT_KERNEL_CALLBACK_EX;
args->notifyIndex = NV01_EVENT_CLIENT_RM | id;
args->data = NULL;
ret = nvkm_gsp_rm_alloc_wr(&event->object, args);
if (ret)
return ret;
event->device = device;
event->id = id;
ret = r535_gsp_device_event_get(event);
if (ret) {
nvkm_gsp_event_dtor(event);
return ret;
}
mutex_lock(&gsp->client_id.mutex);
event->func = func;
list_add(&event->head, &client->events);
mutex_unlock(&gsp->client_id.mutex);
return 0 ;
}
static void
r535_gsp_device_dtor(struct nvkm_gsp_device *device)
{
nvkm_gsp_rm_free(&device->subdevice);
nvkm_gsp_rm_free(&device->object);
}
static int
r535_gsp_subdevice_ctor(struct nvkm_gsp_device *device)
{
NV2080_ALLOC_PARAMETERS *args;
return nvkm_gsp_rm_alloc(&device->object, NVKM_RM_SUBDEVICE, NV20_SUBDEVICE_0,
sizeof (*args), &device->subdevice);
}
static int
r535_gsp_device_ctor(struct nvkm_gsp_client *client, struct nvkm_gsp_device *device)
{
NV0080_ALLOC_PARAMETERS *args;
int ret;
args = nvkm_gsp_rm_alloc_get(&client->object, NVKM_RM_DEVICE, NV01_DEVICE_0, sizeof (*args),
&device->object);
if (IS_ERR(args))
return PTR_ERR(args);
args->hClientShare = client->object.handle;
ret = nvkm_gsp_rm_alloc_wr(&device->object, args);
if (ret)
return ret;
ret = r535_gsp_subdevice_ctor(device);
if (ret)
nvkm_gsp_rm_free(&device->object);
return ret;
}
const struct nvkm_rm_api_device
r535_device = {
.ctor = r535_gsp_device_ctor,
.dtor = r535_gsp_device_dtor,
.event.ctor = r535_gsp_device_event_ctor,
.event.dtor = r535_gsp_event_dtor,
};
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(vorverarbeitet am 2026-10-09)
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