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conn.c

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linux-6.19.14/drivers/gpu/drm/nouveau/nvif/conn.c C
 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 <nvif/conn.h>
23#include <nvif/disp.h>
24#include <nvif/printf.h>
25
26#include <nvif/class.h>
27#include <nvif/if0011.h>
28
29int
30nvif_conn_event_ctor(struct nvif_conn *conn, const char *name, nvif_event_func func, u8 types,
31		     struct nvif_event *event)
32{
33	DEFINE_RAW_FLEX(struct nvif_event_v0, args, data,
34			sizeof(struct nvif_conn_event_v0));
35	struct nvif_conn_event_v0 *args_conn =
36				(struct nvif_conn_event_v0 *)args->data;
37	int ret;
38
39	args_conn->version = 0;
40	args_conn->types = types;
41
42	ret = nvif_event_ctor_(&conn->object, name ?: "nvifConnHpd", nvif_conn_id(conn),
43			       func, true, args, __struct_size(args), false, event);
44	NVIF_DEBUG(&conn->object, "[NEW EVENT:HPD types:%02x]", types);
45	return ret;
46}
47
48void
49nvif_conn_dtor(struct nvif_conn *conn)
50{
51	nvif_object_dtor(&conn->object);
52}
53
54int
55nvif_conn_ctor(struct nvif_disp *disp, const char *name, int id, struct nvif_conn *conn)
56{
57	struct nvif_conn_v0 args;
58	int ret;
59
60	args.version = 0;
61	args.id = id;
62
63	ret = nvif_object_ctor(&disp->object, name ?: "nvifConn", id, NVIF_CLASS_CONN,
64			       &args, sizeof(args), &conn->object);
65	NVIF_ERRON(ret, &disp->object, "[NEW conn id:%d]", id);
66	if (ret)
67		return ret;
68
69	conn->id = id;
70
71	switch (args.type) {
72	case NVIF_CONN_V0_VGA      : conn->info.type = NVIF_CONN_VGA; break;
73	case NVIF_CONN_V0_TV       : conn->info.type = NVIF_CONN_TV; break;
74	case NVIF_CONN_V0_DVI_I    : conn->info.type = NVIF_CONN_DVI_I; break;
75	case NVIF_CONN_V0_DVI_D    : conn->info.type = NVIF_CONN_DVI_D; break;
76	case NVIF_CONN_V0_LVDS     : conn->info.type = NVIF_CONN_LVDS; break;
77	case NVIF_CONN_V0_LVDS_SPWG: conn->info.type = NVIF_CONN_LVDS_SPWG; break;
78	case NVIF_CONN_V0_HDMI     : conn->info.type = NVIF_CONN_HDMI; break;
79	case NVIF_CONN_V0_DP       : conn->info.type = NVIF_CONN_DP; break;
80	case NVIF_CONN_V0_EDP      : conn->info.type = NVIF_CONN_EDP; break;
81	default:
82		break;
83	}
84
85	return 0;
86
87}
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