128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
/*
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* Copyright 2012 Nouveau community
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Martin Peres
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*/
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#include "priv.h"
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#include <subdev/bios/extdev.h>
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#include <subdev/i2c.h>
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static bool
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probe_monitoring_device(struct nvkm_i2c_bus *bus,
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struct i2c_board_info *info, void *data)
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{
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struct nvkm_therm *therm = data;
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struct nvbios_therm_sensor *sensor = &therm->bios_sensor;
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struct i2c_client *client;
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request_module("%s%s", I2C_MODULE_PREFIX, info->type);
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client = i2c_new_client_device(&bus->i2c, info);
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if (IS_ERR(client))
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return false;
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if (!client->dev.driver ||
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to_i2c_driver(client->dev.driver)->detect(client, info)) {
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i2c_unregister_device(client);
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return false;
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}
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nvkm_debug(&therm->subdev,
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"Found an %s at address 0x%x (controlled by lm_sensors, "
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"temp offset %+i C)\n",
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info->type, info->addr, sensor->offset_constant);
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therm->ic = client;
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return true;
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}
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static struct nvkm_i2c_bus_probe
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nv_board_infos[] = {
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{ { I2C_BOARD_INFO("w83l785ts", 0x2d) }, 0 },
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{ { I2C_BOARD_INFO("w83781d", 0x2d) }, 0 },
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{ { I2C_BOARD_INFO("adt7473", 0x2e) }, 40 },
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{ { I2C_BOARD_INFO("adt7473", 0x2d) }, 40 },
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{ { I2C_BOARD_INFO("adt7473", 0x2c) }, 40 },
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{ { I2C_BOARD_INFO("f75375", 0x2e) }, 0 },
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{ { I2C_BOARD_INFO("lm99", 0x4c) }, 0 },
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{ { I2C_BOARD_INFO("lm90", 0x4c) }, 0 },
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{ { I2C_BOARD_INFO("lm90", 0x4d) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x18) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x19) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x1a) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x29) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x2a) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x2b) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x4c) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x4d) }, 0 },
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{ { I2C_BOARD_INFO("adm1021", 0x4e) }, 0 },
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{ { I2C_BOARD_INFO("lm63", 0x18) }, 0 },
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{ { I2C_BOARD_INFO("lm63", 0x4e) }, 0 },
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{ }
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};
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void
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nvkm_therm_ic_ctor(struct nvkm_therm *therm)
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{
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struct nvkm_device *device = therm->subdev.device;
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struct nvkm_bios *bios = device->bios;
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struct nvkm_i2c *i2c = device->i2c;
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struct nvkm_i2c_bus *bus;
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struct nvbios_extdev_func extdev_entry;
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bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_PRI);
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if (!bus)
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return;
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if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) {
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struct nvkm_i2c_bus_probe board[] = {
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{ { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) }, 0},
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{ }
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};
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nvkm_i2c_bus_probe(bus, "monitoring device", board,
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probe_monitoring_device, therm);
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if (therm->ic)
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return;
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}
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if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) {
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struct nvkm_i2c_bus_probe board[] = {
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{ { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) }, 20 },
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{ }
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};
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nvkm_i2c_bus_probe(bus, "monitoring device", board,
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probe_monitoring_device, therm);
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if (therm->ic)
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return;
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}
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if (nvbios_extdev_skip_probe(bios))
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return;
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/* The vbios doesn't provide the address of an exisiting monitoring
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device. Let's try our static list.
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*/
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nvkm_i2c_bus_probe(bus, "monitoring device", nv_board_infos,
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probe_monitoring_device, therm);
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}
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