1 /* 2 * Copyright 2021 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 #include "priv.h" 23 #include "conn.h" 24 #include "outp.h" 25 26 #include <nvif/class.h> 27 #include <nvif/if0010.h> 28 29 static int 30 nvkm_udisp_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *sclass) 31 { 32 struct nvkm_disp *disp = nvkm_udisp(object); 33 34 if (index-- == 0) { 35 sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_CONN }; 36 sclass->ctor = nvkm_uconn_new; 37 return 0; 38 } 39 40 if (index-- == 0) { 41 sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_OUTP }; 42 sclass->ctor = nvkm_uoutp_new; 43 return 0; 44 } 45 46 if (disp->func->user[index].ctor) { 47 sclass->base = disp->func->user[index].base; 48 sclass->ctor = disp->func->user[index].ctor; 49 return 0; 50 } 51 52 return -EINVAL; 53 } 54 55 static int 56 nvkm_udisp_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc) 57 { 58 struct nvkm_disp *disp = nvkm_udisp(object); 59 60 if (disp->engine.subdev.device->card_type >= NV_50) 61 return nv50_disp_root_mthd_(object, mthd, argv, argc); 62 63 return nv04_disp_mthd(object, mthd, argv, argc); 64 } 65 66 static void * 67 nvkm_udisp_dtor(struct nvkm_object *object) 68 { 69 struct nvkm_disp *disp = nvkm_udisp(object); 70 71 spin_lock(&disp->client.lock); 72 if (object == &disp->client.object) 73 disp->client.object.func = NULL; 74 spin_unlock(&disp->client.lock); 75 return NULL; 76 } 77 78 static const struct nvkm_object_func 79 nvkm_udisp = { 80 .dtor = nvkm_udisp_dtor, 81 .mthd = nvkm_udisp_mthd, 82 .ntfy = nvkm_disp_ntfy, 83 .sclass = nvkm_udisp_sclass, 84 }; 85 86 int 87 nvkm_udisp_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject) 88 { 89 struct nvkm_disp *disp = nvkm_disp(oclass->engine); 90 struct nvkm_conn *conn; 91 struct nvkm_outp *outp; 92 union nvif_disp_args *args = argv; 93 94 if (argc != sizeof(args->v0) || args->v0.version != 0) 95 return -ENOSYS; 96 97 spin_lock(&disp->client.lock); 98 if (disp->client.object.func) { 99 spin_unlock(&disp->client.lock); 100 return -EBUSY; 101 } 102 nvkm_object_ctor(&nvkm_udisp, oclass, &disp->client.object); 103 *pobject = &disp->client.object; 104 spin_unlock(&disp->client.lock); 105 106 args->v0.conn_mask = 0; 107 list_for_each_entry(conn, &disp->conns, head) 108 args->v0.conn_mask |= BIT(conn->index); 109 110 args->v0.outp_mask = 0; 111 list_for_each_entry(outp, &disp->outps, head) 112 args->v0.outp_mask |= BIT(outp->index); 113 114 return 0; 115 } 116