1 | /* $NetBSD: nouveau_subdev_therm_ic.c,v 1.2 2015/02/25 22:12:00 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2012 Nouveau community |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), |
8 | * to deal in the Software without restriction, including without limitation |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
10 | * and/or sell copies of the Software, and to permit persons to whom the |
11 | * Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
22 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | * Authors: Martin Peres |
25 | */ |
26 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_therm_ic.c,v 1.2 2015/02/25 22:12:00 riastradh Exp $" ); |
29 | |
30 | #include "priv.h" |
31 | |
32 | #include <subdev/i2c.h> |
33 | #include <subdev/bios/extdev.h> |
34 | |
35 | static bool |
36 | probe_monitoring_device(struct nouveau_i2c_port *i2c, |
37 | struct i2c_board_info *info, void *data) |
38 | { |
39 | #ifdef __NetBSD__ |
40 | return false; |
41 | #else |
42 | struct nouveau_therm_priv *priv = data; |
43 | struct nvbios_therm_sensor *sensor = &priv->bios_sensor; |
44 | struct i2c_client *client; |
45 | |
46 | request_module("%s%s" , I2C_MODULE_PREFIX, info->type); |
47 | |
48 | client = i2c_new_device(&i2c->adapter, info); |
49 | if (!client) |
50 | return false; |
51 | |
52 | if (!client->dev.driver || |
53 | to_i2c_driver(client->dev.driver)->detect(client, info)) { |
54 | i2c_unregister_device(client); |
55 | return false; |
56 | } |
57 | |
58 | nv_info(priv, |
59 | "Found an %s at address 0x%x (controlled by lm_sensors, " |
60 | "temp offset %+i C)\n" , |
61 | info->type, info->addr, sensor->offset_constant); |
62 | priv->ic = client; |
63 | |
64 | return true; |
65 | #endif |
66 | } |
67 | |
68 | static struct nouveau_i2c_board_info |
69 | nv_board_infos[] = { |
70 | { { I2C_BOARD_INFO("w83l785ts" , 0x2d) }, 0 }, |
71 | { { I2C_BOARD_INFO("w83781d" , 0x2d) }, 0 }, |
72 | { { I2C_BOARD_INFO("adt7473" , 0x2e) }, 20 }, |
73 | { { I2C_BOARD_INFO("adt7473" , 0x2d) }, 20 }, |
74 | { { I2C_BOARD_INFO("adt7473" , 0x2c) }, 20 }, |
75 | { { I2C_BOARD_INFO("f75375" , 0x2e) }, 0 }, |
76 | { { I2C_BOARD_INFO("lm99" , 0x4c) }, 0 }, |
77 | { { I2C_BOARD_INFO("lm90" , 0x4c) }, 0 }, |
78 | { { I2C_BOARD_INFO("lm90" , 0x4d) }, 0 }, |
79 | { { I2C_BOARD_INFO("adm1021" , 0x18) }, 0 }, |
80 | { { I2C_BOARD_INFO("adm1021" , 0x19) }, 0 }, |
81 | { { I2C_BOARD_INFO("adm1021" , 0x1a) }, 0 }, |
82 | { { I2C_BOARD_INFO("adm1021" , 0x29) }, 0 }, |
83 | { { I2C_BOARD_INFO("adm1021" , 0x2a) }, 0 }, |
84 | { { I2C_BOARD_INFO("adm1021" , 0x2b) }, 0 }, |
85 | { { I2C_BOARD_INFO("adm1021" , 0x4c) }, 0 }, |
86 | { { I2C_BOARD_INFO("adm1021" , 0x4d) }, 0 }, |
87 | { { I2C_BOARD_INFO("adm1021" , 0x4e) }, 0 }, |
88 | { { I2C_BOARD_INFO("lm63" , 0x18) }, 0 }, |
89 | { { I2C_BOARD_INFO("lm63" , 0x4e) }, 0 }, |
90 | { } |
91 | }; |
92 | |
93 | void |
94 | nouveau_therm_ic_ctor(struct nouveau_therm *therm) |
95 | { |
96 | struct nouveau_therm_priv *priv = (void *)therm; |
97 | struct nouveau_bios *bios = nouveau_bios(therm); |
98 | struct nouveau_i2c *i2c = nouveau_i2c(therm); |
99 | struct nvbios_extdev_func extdev_entry; |
100 | |
101 | if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) { |
102 | struct nouveau_i2c_board_info board[] = { |
103 | { { I2C_BOARD_INFO("lm90" , extdev_entry.addr >> 1) }, 0}, |
104 | { } |
105 | }; |
106 | |
107 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device" , |
108 | board, probe_monitoring_device, therm); |
109 | if (priv->ic) |
110 | return; |
111 | } |
112 | |
113 | if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) { |
114 | struct nouveau_i2c_board_info board[] = { |
115 | { { I2C_BOARD_INFO("adt7473" , extdev_entry.addr >> 1) }, 20 }, |
116 | { } |
117 | }; |
118 | |
119 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device" , |
120 | board, probe_monitoring_device, therm); |
121 | if (priv->ic) |
122 | return; |
123 | } |
124 | |
125 | /* The vbios doesn't provide the address of an exisiting monitoring |
126 | device. Let's try our static list. |
127 | */ |
128 | i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device" , |
129 | nv_board_infos, probe_monitoring_device, therm); |
130 | } |
131 | |