1/*
2 * Copyright 2014 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 * Authors: Ben Skeggs
23 */
24
25#include <subdev/i2c.h>
26#include <subdev/bios.h>
27#include <subdev/bios/conn.h>
28
29#include "outp.h"
30
31int
32_nvkm_output_fini(struct nouveau_object *object, bool suspend)
33{
34	struct nvkm_output *outp = (void *)object;
35	nv_ofuncs(outp->conn)->fini(nv_object(outp->conn), suspend);
36	return nouveau_object_fini(&outp->base, suspend);
37}
38
39int
40_nvkm_output_init(struct nouveau_object *object)
41{
42	struct nvkm_output *outp = (void *)object;
43	int ret = nouveau_object_init(&outp->base);
44	if (ret == 0)
45		nv_ofuncs(outp->conn)->init(nv_object(outp->conn));
46	return 0;
47}
48
49void
50_nvkm_output_dtor(struct nouveau_object *object)
51{
52	struct nvkm_output *outp = (void *)object;
53	list_del(&outp->head);
54	nouveau_object_ref(NULL, (void *)&outp->conn);
55	nouveau_object_destroy(&outp->base);
56}
57
58int
59nvkm_output_create_(struct nouveau_object *parent,
60		    struct nouveau_object *engine,
61		    struct nouveau_oclass *oclass,
62		    struct dcb_output *dcbE, int index,
63		    int length, void **pobject)
64{
65	struct nouveau_bios *bios = nouveau_bios(engine);
66	struct nouveau_i2c *i2c = nouveau_i2c(parent);
67	struct nouveau_disp *disp = (void *)engine;
68	struct nvbios_connE connE;
69	struct nvkm_output *outp;
70	u8  ver, hdr;
71	u32 data;
72	int ret;
73
74	ret = nouveau_object_create_(parent, engine, oclass, 0, length, pobject);
75	outp = *pobject;
76	if (ret)
77		return ret;
78
79	outp->info = *dcbE;
80	outp->index = index;
81	outp->or = ffs(outp->info.or) - 1;
82
83	DBG("type %02x loc %d or %d link %d con %x edid %x bus %d head %x\n",
84	    dcbE->type, dcbE->location, dcbE->or, dcbE->type >= 2 ?
85	    dcbE->sorconf.link : 0, dcbE->connector, dcbE->i2c_index,
86	    dcbE->bus, dcbE->heads);
87
88	outp->port = i2c->find(i2c, outp->info.i2c_index);
89	outp->edid = outp->port;
90
91	data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr, &connE);
92	if (!data) {
93		DBG("vbios connector data not found\n");
94		memset(&connE, 0x00, sizeof(connE));
95		connE.type = DCB_CONNECTOR_NONE;
96	}
97
98	ret = nouveau_object_ctor(parent, engine, nvkm_connector_oclass,
99				 &connE, outp->info.connector,
100				 (struct nouveau_object **)&outp->conn);
101	if (ret < 0) {
102		ERR("error %d creating connector, disabling\n", ret);
103		return ret;
104	}
105
106	list_add_tail(&outp->head, &disp->outp);
107	return 0;
108}
109
110int
111_nvkm_output_ctor(struct nouveau_object *parent,
112		  struct nouveau_object *engine,
113		  struct nouveau_oclass *oclass, void *dcbE, u32 index,
114		  struct nouveau_object **pobject)
115{
116	struct nvkm_output *outp;
117	int ret;
118
119	ret = nvkm_output_create(parent, engine, oclass, dcbE, index, &outp);
120	*pobject = nv_object(outp);
121	if (ret)
122		return ret;
123
124	return 0;
125}
126
127struct nouveau_oclass *
128nvkm_output_oclass = &(struct nvkm_output_impl) {
129	.base = {
130		.handle = 0,
131		.ofuncs = &(struct nouveau_ofuncs) {
132			.ctor = _nvkm_output_ctor,
133			.dtor = _nvkm_output_dtor,
134			.init = _nvkm_output_init,
135			.fini = _nvkm_output_fini,
136		},
137	},
138}.base;
139