1 /*
2 * Copyright 2012 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 <core/client.h>
26 #include <nvif/unpack.h>
27 #include <nvif/class.h>
28
29 #include <subdev/bios.h>
30 #include <subdev/bios/dcb.h>
31 #include <subdev/timer.h>
32 #include <subdev/i2c.h>
33
34 #include "nv50.h"
35
36 /******************************************************************************
37 * TMDS
38 *****************************************************************************/
39
40 static int
nv50_pior_tmds_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * info,u32 index,struct nouveau_object ** pobject)41 nv50_pior_tmds_ctor(struct nouveau_object *parent,
42 struct nouveau_object *engine,
43 struct nouveau_oclass *oclass, void *info, u32 index,
44 struct nouveau_object **pobject)
45 {
46 struct nouveau_i2c *i2c = nouveau_i2c(parent);
47 struct nvkm_output *outp;
48 int ret;
49
50 ret = nvkm_output_create(parent, engine, oclass, info, index, &outp);
51 *pobject = nv_object(outp);
52 if (ret)
53 return ret;
54
55 outp->edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(outp->info.extdev));
56 return 0;
57 }
58
59 struct nvkm_output_impl
60 nv50_pior_tmds_impl = {
61 .base.handle = DCB_OUTPUT_TMDS | 0x0100,
62 .base.ofuncs = &(struct nouveau_ofuncs) {
63 .ctor = nv50_pior_tmds_ctor,
64 .dtor = _nvkm_output_dtor,
65 .init = _nvkm_output_init,
66 .fini = _nvkm_output_fini,
67 },
68 };
69
70 /******************************************************************************
71 * DisplayPort
72 *****************************************************************************/
73
74 static int
nv50_pior_dp_pattern(struct nvkm_output_dp * outp,int pattern)75 nv50_pior_dp_pattern(struct nvkm_output_dp *outp, int pattern)
76 {
77 struct nouveau_i2c_port *port = outp->base.edid;
78 if (port && port->func->pattern)
79 return port->func->pattern(port, pattern);
80 return port ? 0 : -ENODEV;
81 }
82
83 static int
nv50_pior_dp_lnk_pwr(struct nvkm_output_dp * outp,int nr)84 nv50_pior_dp_lnk_pwr(struct nvkm_output_dp *outp, int nr)
85 {
86 return 0;
87 }
88
89 static int
nv50_pior_dp_lnk_ctl(struct nvkm_output_dp * outp,int nr,int bw,bool ef)90 nv50_pior_dp_lnk_ctl(struct nvkm_output_dp *outp, int nr, int bw, bool ef)
91 {
92 struct nouveau_i2c_port *port = outp->base.edid;
93 if (port && port->func->lnk_ctl)
94 return port->func->lnk_ctl(port, nr, bw, ef);
95 return port ? 0 : -ENODEV;
96 }
97
98 static int
nv50_pior_dp_drv_ctl(struct nvkm_output_dp * outp,int ln,int vs,int pe,int pc)99 nv50_pior_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc)
100 {
101 struct nouveau_i2c_port *port = outp->base.edid;
102 if (port && port->func->drv_ctl)
103 return port->func->drv_ctl(port, ln, vs, pe);
104 return port ? 0 : -ENODEV;
105 }
106
107 static int
nv50_pior_dp_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * info,u32 index,struct nouveau_object ** pobject)108 nv50_pior_dp_ctor(struct nouveau_object *parent,
109 struct nouveau_object *engine,
110 struct nouveau_oclass *oclass, void *info, u32 index,
111 struct nouveau_object **pobject)
112 {
113 struct nouveau_i2c *i2c = nouveau_i2c(parent);
114 struct nvkm_output_dp *outp;
115 int ret;
116
117 ret = nvkm_output_dp_create(parent, engine, oclass, info, index, &outp);
118 *pobject = nv_object(outp);
119 if (ret)
120 return ret;
121
122 outp->base.edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(
123 outp->base.info.extdev));
124 return 0;
125 }
126
127 struct nvkm_output_dp_impl
128 nv50_pior_dp_impl = {
129 .base.base.handle = DCB_OUTPUT_DP | 0x0010,
130 .base.base.ofuncs = &(struct nouveau_ofuncs) {
131 .ctor = nv50_pior_dp_ctor,
132 .dtor = _nvkm_output_dp_dtor,
133 .init = _nvkm_output_dp_init,
134 .fini = _nvkm_output_dp_fini,
135 },
136 .pattern = nv50_pior_dp_pattern,
137 .lnk_pwr = nv50_pior_dp_lnk_pwr,
138 .lnk_ctl = nv50_pior_dp_lnk_ctl,
139 .drv_ctl = nv50_pior_dp_drv_ctl,
140 };
141
142 /******************************************************************************
143 * General PIOR handling
144 *****************************************************************************/
145
146 int
nv50_pior_power(NV50_DISP_MTHD_V1)147 nv50_pior_power(NV50_DISP_MTHD_V1)
148 {
149 const u32 soff = outp->or * 0x800;
150 union {
151 struct nv50_disp_pior_pwr_v0 v0;
152 } *args = data;
153 u32 ctrl, type;
154 int ret;
155
156 nv_ioctl(object, "disp pior pwr size %d\n", size);
157 if (nvif_unpack(args->v0, 0, 0, false)) {
158 nv_ioctl(object, "disp pior pwr vers %d state %d type %x\n",
159 args->v0.version, args->v0.state, args->v0.type);
160 if (args->v0.type > 0x0f)
161 return -EINVAL;
162 ctrl = !!args->v0.state;
163 type = args->v0.type;
164 } else
165 return ret;
166
167 nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
168 nv_mask(priv, 0x61e004 + soff, 0x80000101, 0x80000000 | ctrl);
169 nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
170 priv->pior.type[outp->or] = type;
171 return 0;
172 }
173