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
nvkm_udisp_sclass(struct nvkm_object * object,int index,struct nvkm_oclass * sclass)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
nvkm_udisp_mthd(struct nvkm_object * object,u32 mthd,void * argv,u32 argc)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 *
nvkm_udisp_dtor(struct nvkm_object * object)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
nvkm_udisp_new(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)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