/* * Copyright 2013 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 */ #include "priv.h" #include "conn.h" #include "head.h" #include "ior.h" #include "outp.h" #include #include #include #include #include #include static void nvkm_disp_vblank_fini(struct nvkm_event *event, int type, int id) { struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank); struct nvkm_head *head = nvkm_head_find(disp, id); if (head) head->func->vblank_put(head); } static void nvkm_disp_vblank_init(struct nvkm_event *event, int type, int id) { struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank); struct nvkm_head *head = nvkm_head_find(disp, id); if (head) head->func->vblank_get(head); } static const struct nvkm_event_func nvkm_disp_vblank_func = { .init = nvkm_disp_vblank_init, .fini = nvkm_disp_vblank_fini, }; void nvkm_disp_vblank(struct nvkm_disp *disp, int head) { nvkm_event_ntfy(&disp->vblank, head, NVKM_DISP_HEAD_EVENT_VBLANK); } static int nvkm_disp_class_new(struct nvkm_device *device, const struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { return nvkm_udisp_new(oclass, data, size, pobject); } static const struct nvkm_device_oclass nvkm_disp_sclass = { .ctor = nvkm_disp_class_new, }; static int nvkm_disp_class_get(struct nvkm_oclass *oclass, int index, const struct nvkm_device_oclass **class) { struct nvkm_disp *disp = nvkm_disp(oclass->engine); if (index == 0) { oclass->base = disp->func->root; *class = &nvkm_disp_sclass; return 0; } return 1; } static void nvkm_disp_intr(struct nvkm_engine *engine) { struct nvkm_disp *disp = nvkm_disp(engine); disp->func->intr(disp); } static int nvkm_disp_fini(struct nvkm_engine *engine, bool suspend) { struct nvkm_disp *disp = nvkm_disp(engine); struct nvkm_outp *outp; if (disp->func->fini) disp->func->fini(disp); list_for_each_entry(outp, &disp->outps, head) { if (outp->func->fini) outp->func->fini(outp); } return 0; } static int nvkm_disp_init(struct nvkm_engine *engine) { struct nvkm_disp *disp = nvkm_disp(engine); struct nvkm_outp *outp; struct nvkm_ior *ior; list_for_each_entry(outp, &disp->outps, head) { if (outp->func->init) outp->func->init(outp); } if (disp->func->init) { int ret = disp->func->init(disp); if (ret) return ret; } /* Set 'normal' (ie. when it's attached to a head) state for * each output resource to 'fully enabled'. */ list_for_each_entry(ior, &disp->iors, head) { ior->func->power(ior, true, true, true, true, true); } return 0; } static int nvkm_disp_oneinit(struct nvkm_engine *engine) { struct nvkm_disp *disp = nvkm_disp(engine); struct nvkm_subdev *subdev = &disp->engine.subdev; struct nvkm_head *head; int ret, i; if (disp->func->oneinit) { ret = disp->func->oneinit(disp); if (ret) return ret; } i = 0; list_for_each_entry(head, &disp->heads, head) i = max(i, head->id + 1); return nvkm_event_init(&nvkm_disp_vblank_func, subdev, 1, i, &disp->vblank); } static void * nvkm_disp_dtor(struct nvkm_engine *engine) { struct nvkm_disp *disp = nvkm_disp(engine); struct nvkm_conn *conn; struct nvkm_outp *outp; struct nvkm_ior *ior; struct nvkm_head *head; void *data = disp; nvkm_ramht_del(&disp->ramht); nvkm_gpuobj_del(&disp->inst); nvkm_event_fini(&disp->uevent); if (disp->super.wq) { destroy_workqueue(disp->super.wq); mutex_destroy(&disp->super.mutex); } nvkm_event_fini(&disp->vblank); while (!list_empty(&disp->conns)) { conn = list_first_entry(&disp->conns, typeof(*conn), head); list_del(&conn->head); nvkm_conn_del(&conn); } while (!list_empty(&disp->outps)) { outp = list_first_entry(&disp->outps, typeof(*outp), head); list_del(&outp->head); nvkm_outp_del(&outp); } while (!list_empty(&disp->iors)) { ior = list_first_entry(&disp->iors, typeof(*ior), head); nvkm_ior_del(&ior); } while (!list_empty(&disp->heads)) { head = list_first_entry(&disp->heads, typeof(*head), head); nvkm_head_del(&head); } return data; } static const struct nvkm_engine_func nvkm_disp = { .dtor = nvkm_disp_dtor, .oneinit = nvkm_disp_oneinit, .init = nvkm_disp_init, .fini = nvkm_disp_fini, .intr = nvkm_disp_intr, .base.sclass = nvkm_disp_class_get, }; int nvkm_disp_new_(const struct nvkm_disp_func *func, struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_disp **pdisp) { struct nvkm_disp *disp; int ret; if (!(disp = *pdisp = kzalloc(sizeof(**pdisp), GFP_KERNEL))) return -ENOMEM; disp->func = func; INIT_LIST_HEAD(&disp->heads); INIT_LIST_HEAD(&disp->iors); INIT_LIST_HEAD(&disp->outps); INIT_LIST_HEAD(&disp->conns); spin_lock_init(&disp->client.lock); ret = nvkm_engine_ctor(&nvkm_disp, device, type, inst, true, &disp->engine); if (ret) return ret; if (func->super) { disp->super.wq = create_singlethread_workqueue("nvkm-disp"); if (!disp->super.wq) return -ENOMEM; INIT_WORK(&disp->super.work, func->super); mutex_init(&disp->super.mutex); } return nvkm_event_init(func->uevent, &disp->engine.subdev, 1, ARRAY_SIZE(disp->chan), &disp->uevent); }