2 * Copyright 2012 Nouveau community
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Martin Peres
27 #include <subdev/i2c.h>
28 #include <subdev/bios/extdev.h>
31 probe_monitoring_device(struct nouveau_i2c_port *i2c,
32 struct i2c_board_info *info)
34 struct nouveau_therm_priv *priv = (void *)nouveau_therm(i2c);
35 struct nvbios_therm_sensor *sensor = &priv->bios_sensor;
36 struct i2c_client *client;
38 request_module("%s%s", I2C_MODULE_PREFIX, info->type);
40 client = i2c_new_device(&i2c->adapter, info);
44 if (!client->driver || client->driver->detect(client, info)) {
45 i2c_unregister_device(client);
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);
58 static struct i2c_board_info
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) },
84 nouveau_therm_ic_ctor(struct nouveau_therm *therm)
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;
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) },
97 i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
98 board, probe_monitoring_device);
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) },
109 i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
110 board, probe_monitoring_device);
115 /* The vbios doesn't provide the address of an exisiting monitoring
116 device. Let's try our static list.
118 i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
119 nv_board_infos, probe_monitoring_device);