/* * Copyright 2021 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. */ #define nvkm_uconn(p) container_of((p), struct nvkm_conn, object) #include "conn.h" #include "outp.h" #include #include #include #include #include static int nvkm_uconn_uevent_gsp(struct nvkm_object *object, u64 token, u32 bits) { union nvif_conn_event_args args; args.v0.version = 0; args.v0.types = 0; if (bits & NVKM_DPYID_PLUG) args.v0.types |= NVIF_CONN_EVENT_V0_PLUG; if (bits & NVKM_DPYID_UNPLUG) args.v0.types |= NVIF_CONN_EVENT_V0_UNPLUG; if (bits & NVKM_DPYID_IRQ) args.v0.types |= NVIF_CONN_EVENT_V0_IRQ; return object->client->event(token, &args, sizeof(args.v0)); } static int nvkm_uconn_uevent_aux(struct nvkm_object *object, u64 token, u32 bits) { union nvif_conn_event_args args; args.v0.version = 0; args.v0.types = 0; if (bits & NVKM_I2C_PLUG) args.v0.types |= NVIF_CONN_EVENT_V0_PLUG; if (bits & NVKM_I2C_UNPLUG) args.v0.types |= NVIF_CONN_EVENT_V0_UNPLUG; if (bits & NVKM_I2C_IRQ) args.v0.types |= NVIF_CONN_EVENT_V0_IRQ; return object->client->event(token, &args, sizeof(args.v0)); } static int nvkm_uconn_uevent_gpio(struct nvkm_object *object, u64 token, u32 bits) { union nvif_conn_event_args args; args.v0.version = 0; args.v0.types = 0; if (bits & NVKM_GPIO_HI) args.v0.types |= NVIF_CONN_EVENT_V0_PLUG; if (bits & NVKM_GPIO_LO) args.v0.types |= NVIF_CONN_EVENT_V0_UNPLUG; return object->client->event(token, &args, sizeof(args.v0)); } static bool nvkm_connector_is_dp_dms(u8 type) { switch (type) { case DCB_CONNECTOR_DMS59_DP0: case DCB_CONNECTOR_DMS59_DP1: return true; default: return false; } } static int nvkm_uconn_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent) { struct nvkm_conn *conn = nvkm_uconn(object); struct nvkm_disp *disp = conn->disp; struct nvkm_device *device = disp->engine.subdev.device; struct nvkm_outp *outp; union nvif_conn_event_args *args = argv; u64 bits = 0; if (!uevent) { if (!disp->rm.client.gsp && conn->info.hpd == DCB_GPIO_UNUSED) return -ENOSYS; return 0; } if (argc != sizeof(args->v0) || args->v0.version != 0) return -ENOSYS; list_for_each_entry(outp, &conn->disp->outps, head) { if (outp->info.connector == conn->index) break; } if (&outp->head == &conn->disp->outps) return -EINVAL; if (disp->rm.client.gsp) { if (args->v0.types & NVIF_CONN_EVENT_V0_PLUG ) bits |= NVKM_DPYID_PLUG; if (args->v0.types & NVIF_CONN_EVENT_V0_UNPLUG) bits |= NVKM_DPYID_UNPLUG; if (args->v0.types & NVIF_CONN_EVENT_V0_IRQ ) bits |= NVKM_DPYID_IRQ; return nvkm_uevent_add(uevent, &disp->rm.event, outp->index, bits, nvkm_uconn_uevent_gsp); } if (outp->dp.aux && !outp->info.location) { if (args->v0.types & NVIF_CONN_EVENT_V0_PLUG ) bits |= NVKM_I2C_PLUG; if (args->v0.types & NVIF_CONN_EVENT_V0_UNPLUG) bits |= NVKM_I2C_UNPLUG; if (args->v0.types & NVIF_CONN_EVENT_V0_IRQ ) bits |= NVKM_I2C_IRQ; return nvkm_uevent_add(uevent, &device->i2c->event, outp->dp.aux->id, bits, nvkm_uconn_uevent_aux); } if (args->v0.types & NVIF_CONN_EVENT_V0_PLUG ) bits |= NVKM_GPIO_HI; if (args->v0.types & NVIF_CONN_EVENT_V0_UNPLUG) bits |= NVKM_GPIO_LO; if (args->v0.types & NVIF_CONN_EVENT_V0_IRQ) { /* TODO: support DP IRQ on ANX9805 and remove this hack. */ if (!outp->info.location && !nvkm_connector_is_dp_dms(conn->info.type)) return -EINVAL; } return nvkm_uevent_add(uevent, &device->gpio->event, conn->info.hpd, bits, nvkm_uconn_uevent_gpio); } static void * nvkm_uconn_dtor(struct nvkm_object *object) { struct nvkm_conn *conn = nvkm_uconn(object); struct nvkm_disp *disp = conn->disp; spin_lock(&disp->client.lock); conn->object.func = NULL; spin_unlock(&disp->client.lock); return NULL; } static const struct nvkm_object_func nvkm_uconn = { .dtor = nvkm_uconn_dtor, .uevent = nvkm_uconn_uevent, }; int nvkm_uconn_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject) { struct nvkm_disp *disp = nvkm_udisp(oclass->parent); struct nvkm_conn *cont, *conn = NULL; union nvif_conn_args *args = argv; int ret; if (argc != sizeof(args->v0) || args->v0.version != 0) return -ENOSYS; list_for_each_entry(cont, &disp->conns, head) { if (cont->index == args->v0.id) { conn = cont; break; } } if (!conn) return -EINVAL; ret = -EBUSY; spin_lock(&disp->client.lock); if (!conn->object.func) { switch (conn->info.type) { case DCB_CONNECTOR_VGA : args->v0.type = NVIF_CONN_V0_VGA; break; case DCB_CONNECTOR_TV_0 : case DCB_CONNECTOR_TV_1 : case DCB_CONNECTOR_TV_3 : args->v0.type = NVIF_CONN_V0_TV; break; case DCB_CONNECTOR_DMS59_0 : case DCB_CONNECTOR_DMS59_1 : case DCB_CONNECTOR_DVI_I : args->v0.type = NVIF_CONN_V0_DVI_I; break; case DCB_CONNECTOR_DVI_D : args->v0.type = NVIF_CONN_V0_DVI_D; break; case DCB_CONNECTOR_LVDS : args->v0.type = NVIF_CONN_V0_LVDS; break; case DCB_CONNECTOR_LVDS_SPWG: args->v0.type = NVIF_CONN_V0_LVDS_SPWG; break; case DCB_CONNECTOR_DMS59_DP0: case DCB_CONNECTOR_DMS59_DP1: case DCB_CONNECTOR_DP : case DCB_CONNECTOR_mDP : case DCB_CONNECTOR_USB_C : args->v0.type = NVIF_CONN_V0_DP; break; case DCB_CONNECTOR_eDP : args->v0.type = NVIF_CONN_V0_EDP; break; case DCB_CONNECTOR_HDMI_0 : case DCB_CONNECTOR_HDMI_1 : case DCB_CONNECTOR_HDMI_C : args->v0.type = NVIF_CONN_V0_HDMI; break; default: WARN_ON(1); ret = -EINVAL; break; } nvkm_object_ctor(&nvkm_uconn, oclass, &conn->object); *pobject = &conn->object; ret = 0; } spin_unlock(&disp->client.lock); return ret; }