/* * 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, bool super, void *data, u32 size, void **hack) { return nvkm_ioctl(priv, super, 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, };