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1/*2 * Copyright 2014 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs <bskeggs@redhat.com>23 */24 25/*******************************************************************************26 * NVIF client driver - NVKM directly linked27 ******************************************************************************/28 29#include <core/client.h>30#include <core/ioctl.h>31 32#include <nvif/client.h>33#include <nvif/driver.h>34#include <nvif/event.h>35#include <nvif/ioctl.h>36 37#include "nouveau_drv.h"38 39static void40nvkm_client_unmap(void *priv, void __iomem *ptr, u32 size)41{42 iounmap(ptr);43}44 45static void __iomem *46nvkm_client_map(void *priv, u64 handle, u32 size)47{48 return ioremap(handle, size);49}50 51static int52nvkm_client_ioctl(void *priv, void *data, u32 size, void **hack)53{54 return nvkm_ioctl(priv, data, size, hack);55}56 57static int58nvkm_client_resume(void *priv)59{60 struct nvkm_client *client = priv;61 return nvkm_object_init(&client->object);62}63 64static int65nvkm_client_suspend(void *priv)66{67 struct nvkm_client *client = priv;68 return nvkm_object_fini(&client->object, true);69}70 71static int72nvkm_client_event(u64 token, void *repv, u32 repc)73{74 struct nvif_object *object = (void *)(unsigned long)token;75 struct nvif_event *event = container_of(object, typeof(*event), object);76 77 if (event->func(event, repv, repc) == NVIF_EVENT_KEEP)78 return NVKM_EVENT_KEEP;79 80 return NVKM_EVENT_DROP;81}82 83static int84nvkm_client_driver_init(const char *name, u64 device, const char *cfg,85 const char *dbg, void **ppriv)86{87 return nvkm_client_new(name, device, cfg, dbg, nvkm_client_event,88 (struct nvkm_client **)ppriv);89}90 91const struct nvif_driver92nvif_driver_nvkm = {93 .name = "nvkm",94 .init = nvkm_client_driver_init,95 .suspend = nvkm_client_suspend,96 .resume = nvkm_client_resume,97 .ioctl = nvkm_client_ioctl,98 .map = nvkm_client_map,99 .unmap = nvkm_client_unmap,100};101