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/*
* Copyright 2014 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 <bskeggs@redhat.com>
*/
/*******************************************************************************
* NVIF client driver - NVKM directly linked
******************************************************************************/
#include <core/client.h>
#include <core/notify.h>
#include <core/ioctl.h>
#include <nvif/client.h>
#include <nvif/driver.h>
#include <nvif/notify.h>
#include <nvif/event.h>
#include <nvif/ioctl.h>
#include "nouveau_drv.h"
#include "nouveau_usif.h"
static void
nvkm_client_unmap(void *priv, void __iomem *ptr, u32 size)
{
iounmap(ptr);
}
static void __iomem *
nvkm_client_map(void *priv, u64 handle, u32 size)
{
return ioremap(handle, size);
}
static int
nvkm_client_ioctl(void *priv, void *data, u32 size, void **hack)
{
return nvkm_ioctl(priv, data, size, hack);
}
static int
nvkm_client_resume(void *priv)
{
struct nvkm_client *client = priv;
return nvkm_object_init(&client->object);
}
static int
nvkm_client_suspend(void *priv)
{
struct nvkm_client *client = priv;
return nvkm_object_fini(&client->object, true);
}
static int
nvkm_client_ntfy(const void *header, u32 length, const void *data, u32 size)
{
const union {
struct nvif_notify_req_v0 v0;
} *args = header;
u8 route;
if (length == sizeof(args->v0) && args->v0.version == 0) {
route = args->v0.route;
} else {
WARN_ON(1);
return NVKM_NOTIFY_DROP;
}
switch (route) {
case NVDRM_NOTIFY_NVIF:
return nvif_notify(header, length, data, size);
case NVDRM_NOTIFY_USIF:
return usif_notify(header, length, data, size);
default:
WARN_ON(1);
break;
}
return NVKM_NOTIFY_DROP;
}
static int
nvkm_client_driver_init(const char *name, u64 device, const char *cfg,
const char *dbg, void **ppriv)
{
return nvkm_client_new(name, device, cfg, dbg, nvkm_client_ntfy,
(struct nvkm_client **)ppriv);
}
const struct nvif_driver
nvif_driver_nvkm = {
.name = "nvkm",
.init = nvkm_client_driver_init,
.suspend = nvkm_client_suspend,
.resume = nvkm_client_resume,
.ioctl = nvkm_client_ioctl,
.map = nvkm_client_map,
.unmap = nvkm_client_unmap,
.keep = false,
};
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