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aa1b9b48 MP |
1 | /* |
2 | * Copyright 2012 Nouveau community | |
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: Martin Peres | |
23 | */ | |
24 | ||
25 | #include "priv.h" | |
26 | ||
27 | #include <subdev/i2c.h> | |
28 | #include <subdev/bios/extdev.h> | |
29 | ||
30 | static bool | |
31 | probe_monitoring_device(struct nouveau_i2c_port *i2c, | |
32 | struct i2c_board_info *info) | |
33 | { | |
7dcd060c | 34 | struct nouveau_therm_priv *priv = (void *)nouveau_therm(i2c); |
13506e2a | 35 | struct nvbios_therm_sensor *sensor = &priv->bios_sensor; |
aa1b9b48 MP |
36 | struct i2c_client *client; |
37 | ||
38 | request_module("%s%s", I2C_MODULE_PREFIX, info->type); | |
39 | ||
40 | client = i2c_new_device(&i2c->adapter, info); | |
41 | if (!client) | |
42 | return false; | |
43 | ||
44 | if (!client->driver || client->driver->detect(client, info)) { | |
45 | i2c_unregister_device(client); | |
46 | return false; | |
47 | } | |
48 | ||
49 | nv_info(priv, | |
13506e2a MP |
50 | "Found an %s at address 0x%x (controlled by lm_sensors, " |
51 | "temp offset %+i C)\n", | |
52 | info->type, info->addr, sensor->offset_constant); | |
aa1b9b48 MP |
53 | priv->ic = client; |
54 | ||
55 | return true; | |
56 | } | |
57 | ||
ec49b5c2 MS |
58 | static struct i2c_board_info |
59 | nv_board_infos[] = { | |
60 | { I2C_BOARD_INFO("w83l785ts", 0x2d) }, | |
61 | { I2C_BOARD_INFO("w83781d", 0x2d) }, | |
62 | { I2C_BOARD_INFO("adt7473", 0x2e) }, | |
63 | { I2C_BOARD_INFO("adt7473", 0x2d) }, | |
64 | { I2C_BOARD_INFO("adt7473", 0x2c) }, | |
65 | { I2C_BOARD_INFO("f75375", 0x2e) }, | |
66 | { I2C_BOARD_INFO("lm99", 0x4c) }, | |
67 | { I2C_BOARD_INFO("lm90", 0x4c) }, | |
68 | { I2C_BOARD_INFO("lm90", 0x4d) }, | |
69 | { I2C_BOARD_INFO("adm1021", 0x18) }, | |
70 | { I2C_BOARD_INFO("adm1021", 0x19) }, | |
71 | { I2C_BOARD_INFO("adm1021", 0x1a) }, | |
72 | { I2C_BOARD_INFO("adm1021", 0x29) }, | |
73 | { I2C_BOARD_INFO("adm1021", 0x2a) }, | |
74 | { I2C_BOARD_INFO("adm1021", 0x2b) }, | |
75 | { I2C_BOARD_INFO("adm1021", 0x4c) }, | |
76 | { I2C_BOARD_INFO("adm1021", 0x4d) }, | |
77 | { I2C_BOARD_INFO("adm1021", 0x4e) }, | |
78 | { I2C_BOARD_INFO("lm63", 0x18) }, | |
79 | { I2C_BOARD_INFO("lm63", 0x4e) }, | |
80 | { } | |
81 | }; | |
82 | ||
aa1b9b48 MP |
83 | void |
84 | nouveau_therm_ic_ctor(struct nouveau_therm *therm) | |
85 | { | |
86 | struct nouveau_therm_priv *priv = (void *)therm; | |
87 | struct nouveau_bios *bios = nouveau_bios(therm); | |
88 | struct nouveau_i2c *i2c = nouveau_i2c(therm); | |
89 | struct nvbios_extdev_func extdev_entry; | |
aa1b9b48 MP |
90 | |
91 | if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) { | |
92 | struct i2c_board_info board[] = { | |
93 | { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) }, | |
94 | { } | |
95 | }; | |
96 | ||
97 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device", | |
98 | board, probe_monitoring_device); | |
99 | if (priv->ic) | |
100 | return; | |
101 | } | |
102 | ||
103 | if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) { | |
104 | struct i2c_board_info board[] = { | |
105 | { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) }, | |
106 | { } | |
107 | }; | |
108 | ||
109 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device", | |
110 | board, probe_monitoring_device); | |
111 | if (priv->ic) | |
112 | return; | |
113 | } | |
114 | ||
115 | /* The vbios doesn't provide the address of an exisiting monitoring | |
116 | device. Let's try our static list. | |
117 | */ | |
ec49b5c2 MS |
118 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device", |
119 | nv_board_infos, probe_monitoring_device); | |
aa1b9b48 | 120 | } |