1168c0299SBen Skeggs /*
2168c0299SBen Skeggs * Copyright 2021 Red Hat Inc.
3168c0299SBen Skeggs *
4168c0299SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
5168c0299SBen Skeggs * copy of this software and associated documentation files (the "Software"),
6168c0299SBen Skeggs * to deal in the Software without restriction, including without limitation
7168c0299SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8168c0299SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
9168c0299SBen Skeggs * Software is furnished to do so, subject to the following conditions:
10168c0299SBen Skeggs *
11168c0299SBen Skeggs * The above copyright notice and this permission notice shall be included in
12168c0299SBen Skeggs * all copies or substantial portions of the Software.
13168c0299SBen Skeggs *
14168c0299SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15168c0299SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16168c0299SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17168c0299SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18168c0299SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19168c0299SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20168c0299SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
21168c0299SBen Skeggs */
22168c0299SBen Skeggs #include "priv.h"
2395983aeaSBen Skeggs #include "conn.h"
24*a2b7eadfSBen Skeggs #include "head.h"
251b255f1cSBen Skeggs #include "outp.h"
26168c0299SBen Skeggs
2795983aeaSBen Skeggs #include <nvif/class.h>
28168c0299SBen Skeggs #include <nvif/if0010.h>
29168c0299SBen Skeggs
30168c0299SBen Skeggs static int
nvkm_udisp_sclass(struct nvkm_object * object,int index,struct nvkm_oclass * sclass)31168c0299SBen Skeggs nvkm_udisp_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *sclass)
32168c0299SBen Skeggs {
33168c0299SBen Skeggs struct nvkm_disp *disp = nvkm_udisp(object);
34168c0299SBen Skeggs
3595983aeaSBen Skeggs if (index-- == 0) {
3695983aeaSBen Skeggs sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_CONN };
3795983aeaSBen Skeggs sclass->ctor = nvkm_uconn_new;
3895983aeaSBen Skeggs return 0;
3995983aeaSBen Skeggs }
4095983aeaSBen Skeggs
411b255f1cSBen Skeggs if (index-- == 0) {
421b255f1cSBen Skeggs sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_OUTP };
431b255f1cSBen Skeggs sclass->ctor = nvkm_uoutp_new;
441b255f1cSBen Skeggs return 0;
451b255f1cSBen Skeggs }
461b255f1cSBen Skeggs
47*a2b7eadfSBen Skeggs if (index-- == 0) {
48*a2b7eadfSBen Skeggs sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_HEAD };
49*a2b7eadfSBen Skeggs sclass->ctor = nvkm_uhead_new;
50*a2b7eadfSBen Skeggs return 0;
51*a2b7eadfSBen Skeggs }
52*a2b7eadfSBen Skeggs
53168c0299SBen Skeggs if (disp->func->user[index].ctor) {
54168c0299SBen Skeggs sclass->base = disp->func->user[index].base;
55889fcbe9SBen Skeggs sclass->ctor = disp->func->user[index].ctor;
56168c0299SBen Skeggs return 0;
57168c0299SBen Skeggs }
58168c0299SBen Skeggs
59168c0299SBen Skeggs return -EINVAL;
60168c0299SBen Skeggs }
61168c0299SBen Skeggs
62168c0299SBen Skeggs static void *
nvkm_udisp_dtor(struct nvkm_object * object)63168c0299SBen Skeggs nvkm_udisp_dtor(struct nvkm_object *object)
64168c0299SBen Skeggs {
65168c0299SBen Skeggs struct nvkm_disp *disp = nvkm_udisp(object);
66168c0299SBen Skeggs
67168c0299SBen Skeggs spin_lock(&disp->client.lock);
68168c0299SBen Skeggs if (object == &disp->client.object)
69168c0299SBen Skeggs disp->client.object.func = NULL;
70168c0299SBen Skeggs spin_unlock(&disp->client.lock);
71168c0299SBen Skeggs return NULL;
72168c0299SBen Skeggs }
73168c0299SBen Skeggs
74168c0299SBen Skeggs static const struct nvkm_object_func
75168c0299SBen Skeggs nvkm_udisp = {
76168c0299SBen Skeggs .dtor = nvkm_udisp_dtor,
77168c0299SBen Skeggs .sclass = nvkm_udisp_sclass,
78168c0299SBen Skeggs };
79168c0299SBen Skeggs
80168c0299SBen Skeggs int
nvkm_udisp_new(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)81168c0299SBen Skeggs nvkm_udisp_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject)
82168c0299SBen Skeggs {
83168c0299SBen Skeggs struct nvkm_disp *disp = nvkm_disp(oclass->engine);
8495983aeaSBen Skeggs struct nvkm_conn *conn;
851b255f1cSBen Skeggs struct nvkm_outp *outp;
86*a2b7eadfSBen Skeggs struct nvkm_head *head;
87168c0299SBen Skeggs union nvif_disp_args *args = argv;
88168c0299SBen Skeggs
89168c0299SBen Skeggs if (argc != sizeof(args->v0) || args->v0.version != 0)
90168c0299SBen Skeggs return -ENOSYS;
91168c0299SBen Skeggs
92168c0299SBen Skeggs spin_lock(&disp->client.lock);
93168c0299SBen Skeggs if (disp->client.object.func) {
94168c0299SBen Skeggs spin_unlock(&disp->client.lock);
95168c0299SBen Skeggs return -EBUSY;
96168c0299SBen Skeggs }
97168c0299SBen Skeggs nvkm_object_ctor(&nvkm_udisp, oclass, &disp->client.object);
98168c0299SBen Skeggs *pobject = &disp->client.object;
99168c0299SBen Skeggs spin_unlock(&disp->client.lock);
10095983aeaSBen Skeggs
10195983aeaSBen Skeggs args->v0.conn_mask = 0;
10295983aeaSBen Skeggs list_for_each_entry(conn, &disp->conns, head)
10395983aeaSBen Skeggs args->v0.conn_mask |= BIT(conn->index);
10495983aeaSBen Skeggs
1051b255f1cSBen Skeggs args->v0.outp_mask = 0;
1061b255f1cSBen Skeggs list_for_each_entry(outp, &disp->outps, head)
1071b255f1cSBen Skeggs args->v0.outp_mask |= BIT(outp->index);
1081b255f1cSBen Skeggs
109*a2b7eadfSBen Skeggs args->v0.head_mask = 0;
110*a2b7eadfSBen Skeggs list_for_each_entry(head, &disp->heads, head)
111*a2b7eadfSBen Skeggs args->v0.head_mask |= BIT(head->id);
112*a2b7eadfSBen Skeggs
113168c0299SBen Skeggs return 0;
114168c0299SBen Skeggs }
115