| /* |
| * Copyright 2012 Nouveau community |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Martin Peres |
| */ |
| #include "priv.h" |
| |
| #include <subdev/bios/extdev.h> |
| #include <subdev/i2c.h> |
| |
| static bool |
| probe_monitoring_device(struct nvkm_i2c_bus *bus, |
| struct i2c_board_info *info, void *data) |
| { |
| struct nvkm_therm *therm = data; |
| struct nvbios_therm_sensor *sensor = &therm->bios_sensor; |
| struct i2c_client *client; |
| |
| request_module("%s%s", I2C_MODULE_PREFIX, info->type); |
| |
| client = i2c_new_device(&bus->i2c, info); |
| if (!client) |
| return false; |
| |
| if (!client->dev.driver || |
| to_i2c_driver(client->dev.driver)->detect(client, info)) { |
| i2c_unregister_device(client); |
| return false; |
| } |
| |
| nvkm_debug(&therm->subdev, |
| "Found an %s at address 0x%x (controlled by lm_sensors, " |
| "temp offset %+i C)\n", |
| info->type, info->addr, sensor->offset_constant); |
| therm->ic = client; |
| return true; |
| } |
| |
| static struct nvkm_i2c_bus_probe |
| nv_board_infos[] = { |
| { { I2C_BOARD_INFO("w83l785ts", 0x2d) }, 0 }, |
| { { I2C_BOARD_INFO("w83781d", 0x2d) }, 0 }, |
| { { I2C_BOARD_INFO("adt7473", 0x2e) }, 40 }, |
| { { I2C_BOARD_INFO("adt7473", 0x2d) }, 40 }, |
| { { I2C_BOARD_INFO("adt7473", 0x2c) }, 40 }, |
| { { I2C_BOARD_INFO("f75375", 0x2e) }, 0 }, |
| { { I2C_BOARD_INFO("lm99", 0x4c) }, 0 }, |
| { { I2C_BOARD_INFO("lm90", 0x4c) }, 0 }, |
| { { I2C_BOARD_INFO("lm90", 0x4d) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x18) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x19) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x1a) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x29) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x2a) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x2b) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x4c) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x4d) }, 0 }, |
| { { I2C_BOARD_INFO("adm1021", 0x4e) }, 0 }, |
| { { I2C_BOARD_INFO("lm63", 0x18) }, 0 }, |
| { { I2C_BOARD_INFO("lm63", 0x4e) }, 0 }, |
| { } |
| }; |
| |
| void |
| nvkm_therm_ic_ctor(struct nvkm_therm *therm) |
| { |
| struct nvkm_device *device = therm->subdev.device; |
| struct nvkm_bios *bios = device->bios; |
| struct nvkm_i2c *i2c = device->i2c; |
| struct nvkm_i2c_bus *bus; |
| struct nvbios_extdev_func extdev_entry; |
| |
| bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_PRI); |
| if (!bus) |
| return; |
| |
| if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) { |
| struct nvkm_i2c_bus_probe board[] = { |
| { { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) }, 0}, |
| { } |
| }; |
| |
| nvkm_i2c_bus_probe(bus, "monitoring device", board, |
| probe_monitoring_device, therm); |
| if (therm->ic) |
| return; |
| } |
| |
| if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) { |
| struct nvkm_i2c_bus_probe board[] = { |
| { { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) }, 20 }, |
| { } |
| }; |
| |
| nvkm_i2c_bus_probe(bus, "monitoring device", board, |
| probe_monitoring_device, therm); |
| if (therm->ic) |
| return; |
| } |
| |
| /* The vbios doesn't provide the address of an exisiting monitoring |
| device. Let's try our static list. |
| */ |
| nvkm_i2c_bus_probe(bus, "monitoring device", nv_board_infos, |
| probe_monitoring_device, therm); |
| } |