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 "outpdp.h"
25 #include "nv50.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 int
nv50_pior_power(NV50_DISP_MTHD_V1)35 nv50_pior_power(NV50_DISP_MTHD_V1)
36 {
37 struct nvkm_device *device = disp->base.engine.subdev.device;
38 const u32 soff = outp->or * 0x800;
39 union {
40 struct nv50_disp_pior_pwr_v0 v0;
41 } *args = data;
42 u32 ctrl, type;
43 int ret;
44
45 nvif_ioctl(object, "disp pior pwr size %d\n", size);
46 if (nvif_unpack(args->v0, 0, 0, false)) {
47 nvif_ioctl(object, "disp pior pwr vers %d state %d type %x\n",
48 args->v0.version, args->v0.state, args->v0.type);
49 if (args->v0.type > 0x0f)
50 return -EINVAL;
51 ctrl = !!args->v0.state;
52 type = args->v0.type;
53 } else
54 return ret;
55
56 nvkm_msec(device, 2000,
57 if (!(nvkm_rd32(device, 0x61e004 + soff) & 0x80000000))
58 break;
59 );
60 nvkm_mask(device, 0x61e004 + soff, 0x80000101, 0x80000000 | ctrl);
61 nvkm_msec(device, 2000,
62 if (!(nvkm_rd32(device, 0x61e004 + soff) & 0x80000000))
63 break;
64 );
65 disp->pior.type[outp->or] = type;
66 return 0;
67 }
68
69 /******************************************************************************
70 * TMDS
71 *****************************************************************************/
72 static const struct nvkm_output_func
73 nv50_pior_output_func = {
74 };
75
76 int
nv50_pior_output_new(struct nvkm_disp * disp,int index,struct dcb_output * dcbE,struct nvkm_output ** poutp)77 nv50_pior_output_new(struct nvkm_disp *disp, int index,
78 struct dcb_output *dcbE, struct nvkm_output **poutp)
79 {
80 return nvkm_output_new_(&nv50_pior_output_func, disp,
81 index, dcbE, poutp);
82 }
83
84 /******************************************************************************
85 * DisplayPort
86 *****************************************************************************/
87 static int
nv50_pior_output_dp_pattern(struct nvkm_output_dp * outp,int pattern)88 nv50_pior_output_dp_pattern(struct nvkm_output_dp *outp, int pattern)
89 {
90 return 0;
91 }
92
93 static int
nv50_pior_output_dp_lnk_pwr(struct nvkm_output_dp * outp,int nr)94 nv50_pior_output_dp_lnk_pwr(struct nvkm_output_dp *outp, int nr)
95 {
96 return 0;
97 }
98
99 static int
nv50_pior_output_dp_lnk_ctl(struct nvkm_output_dp * outp,int nr,int bw,bool ef)100 nv50_pior_output_dp_lnk_ctl(struct nvkm_output_dp *outp,
101 int nr, int bw, bool ef)
102 {
103 int ret = nvkm_i2c_aux_lnk_ctl(outp->aux, nr, bw, ef);
104 if (ret)
105 return ret;
106 return 1;
107 }
108
109 static const struct nvkm_output_dp_func
110 nv50_pior_output_dp_func = {
111 .pattern = nv50_pior_output_dp_pattern,
112 .lnk_pwr = nv50_pior_output_dp_lnk_pwr,
113 .lnk_ctl = nv50_pior_output_dp_lnk_ctl,
114 };
115
116 int
nv50_pior_dp_new(struct nvkm_disp * disp,int index,struct dcb_output * dcbE,struct nvkm_output ** poutp)117 nv50_pior_dp_new(struct nvkm_disp *disp, int index, struct dcb_output *dcbE,
118 struct nvkm_output **poutp)
119 {
120 struct nvkm_i2c *i2c = disp->engine.subdev.device->i2c;
121 struct nvkm_i2c_aux *aux =
122 nvkm_i2c_aux_find(i2c, NVKM_I2C_AUX_EXT(dcbE->extdev));
123 struct nvkm_output_dp *outp;
124
125 if (!(outp = kzalloc(sizeof(*outp), GFP_KERNEL)))
126 return -ENOMEM;
127 *poutp = &outp->base;
128
129 return nvkm_output_dp_ctor(&nv50_pior_output_dp_func, disp,
130 index, dcbE, aux, outp);
131 }
132