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 #include "nv50.h"
25 #include "outpdp.h"
26
27 #include <core/client.h>
28 #include <subdev/i2c.h>
29 #include <subdev/timer.h>
30
31 #include <nvif/class.h>
32 #include <nvif/unpack.h>
33
34 /******************************************************************************
35 * TMDS
36 *****************************************************************************/
37
38 static int
nv50_pior_tmds_ctor(struct nvkm_object * parent,struct nvkm_object * engine,struct nvkm_oclass * oclass,void * info,u32 index,struct nvkm_object ** pobject)39 nv50_pior_tmds_ctor(struct nvkm_object *parent,
40 struct nvkm_object *engine,
41 struct nvkm_oclass *oclass, void *info, u32 index,
42 struct nvkm_object **pobject)
43 {
44 struct nvkm_i2c *i2c = nvkm_i2c(parent);
45 struct nvkm_output *outp;
46 int ret;
47
48 ret = nvkm_output_create(parent, engine, oclass, info, index, &outp);
49 *pobject = nv_object(outp);
50 if (ret)
51 return ret;
52
53 outp->edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(outp->info.extdev));
54 return 0;
55 }
56
57 struct nvkm_output_impl
58 nv50_pior_tmds_impl = {
59 .base.handle = DCB_OUTPUT_TMDS | 0x0100,
60 .base.ofuncs = &(struct nvkm_ofuncs) {
61 .ctor = nv50_pior_tmds_ctor,
62 .dtor = _nvkm_output_dtor,
63 .init = _nvkm_output_init,
64 .fini = _nvkm_output_fini,
65 },
66 };
67
68 /******************************************************************************
69 * DisplayPort
70 *****************************************************************************/
71
72 static int
nv50_pior_dp_pattern(struct nvkm_output_dp * outp,int pattern)73 nv50_pior_dp_pattern(struct nvkm_output_dp *outp, int pattern)
74 {
75 struct nvkm_i2c_port *port = outp->base.edid;
76 if (port && port->func->pattern)
77 return port->func->pattern(port, pattern);
78 return port ? 0 : -ENODEV;
79 }
80
81 static int
nv50_pior_dp_lnk_pwr(struct nvkm_output_dp * outp,int nr)82 nv50_pior_dp_lnk_pwr(struct nvkm_output_dp *outp, int nr)
83 {
84 return 0;
85 }
86
87 static int
nv50_pior_dp_lnk_ctl(struct nvkm_output_dp * outp,int nr,int bw,bool ef)88 nv50_pior_dp_lnk_ctl(struct nvkm_output_dp *outp, int nr, int bw, bool ef)
89 {
90 struct nvkm_i2c_port *port = outp->base.edid;
91 if (port && port->func->lnk_ctl)
92 return port->func->lnk_ctl(port, nr, bw, ef);
93 return port ? 0 : -ENODEV;
94 }
95
96 static int
nv50_pior_dp_drv_ctl(struct nvkm_output_dp * outp,int ln,int vs,int pe,int pc)97 nv50_pior_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc)
98 {
99 struct nvkm_i2c_port *port = outp->base.edid;
100 if (port && port->func->drv_ctl)
101 return port->func->drv_ctl(port, ln, vs, pe);
102 return port ? 0 : -ENODEV;
103 }
104
105 static int
nv50_pior_dp_ctor(struct nvkm_object * parent,struct nvkm_object * engine,struct nvkm_oclass * oclass,void * info,u32 index,struct nvkm_object ** pobject)106 nv50_pior_dp_ctor(struct nvkm_object *parent,
107 struct nvkm_object *engine,
108 struct nvkm_oclass *oclass, void *info, u32 index,
109 struct nvkm_object **pobject)
110 {
111 struct nvkm_i2c *i2c = nvkm_i2c(parent);
112 struct nvkm_output_dp *outp;
113 int ret;
114
115 ret = nvkm_output_dp_create(parent, engine, oclass, info, index, &outp);
116 *pobject = nv_object(outp);
117 if (ret)
118 return ret;
119
120 outp->base.edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(
121 outp->base.info.extdev));
122 return 0;
123 }
124
125 struct nvkm_output_dp_impl
126 nv50_pior_dp_impl = {
127 .base.base.handle = DCB_OUTPUT_DP | 0x0010,
128 .base.base.ofuncs = &(struct nvkm_ofuncs) {
129 .ctor = nv50_pior_dp_ctor,
130 .dtor = _nvkm_output_dp_dtor,
131 .init = _nvkm_output_dp_init,
132 .fini = _nvkm_output_dp_fini,
133 },
134 .pattern = nv50_pior_dp_pattern,
135 .lnk_pwr = nv50_pior_dp_lnk_pwr,
136 .lnk_ctl = nv50_pior_dp_lnk_ctl,
137 .drv_ctl = nv50_pior_dp_drv_ctl,
138 };
139
140 /******************************************************************************
141 * General PIOR handling
142 *****************************************************************************/
143
144 int
nv50_pior_power(NV50_DISP_MTHD_V1)145 nv50_pior_power(NV50_DISP_MTHD_V1)
146 {
147 const u32 soff = outp->or * 0x800;
148 union {
149 struct nv50_disp_pior_pwr_v0 v0;
150 } *args = data;
151 u32 ctrl, type;
152 int ret;
153
154 nv_ioctl(object, "disp pior pwr size %d\n", size);
155 if (nvif_unpack(args->v0, 0, 0, false)) {
156 nv_ioctl(object, "disp pior pwr vers %d state %d type %x\n",
157 args->v0.version, args->v0.state, args->v0.type);
158 if (args->v0.type > 0x0f)
159 return -EINVAL;
160 ctrl = !!args->v0.state;
161 type = args->v0.type;
162 } else
163 return ret;
164
165 nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
166 nv_mask(priv, 0x61e004 + soff, 0x80000101, 0x80000000 | ctrl);
167 nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
168 priv->pior.type[outp->or] = type;
169 return 0;
170 }
171