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1/*2 * Copyright 2012 Nouveau community3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Martin Peres23 */24#include "priv.h"25 26#include <subdev/bios/extdev.h>27#include <subdev/i2c.h>28 29static bool30probe_monitoring_device(struct nvkm_i2c_bus *bus,31 struct i2c_board_info *info, void *data)32{33 struct nvkm_therm *therm = data;34 struct nvbios_therm_sensor *sensor = &therm->bios_sensor;35 struct i2c_client *client;36 37 request_module("%s%s", I2C_MODULE_PREFIX, info->type);38 39 client = i2c_new_client_device(&bus->i2c, info);40 if (IS_ERR(client))41 return false;42 43 if (!client->dev.driver ||44 to_i2c_driver(client->dev.driver)->detect(client, info)) {45 i2c_unregister_device(client);46 return false;47 }48 49 nvkm_debug(&therm->subdev,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);53 therm->ic = client;54 return true;55}56 57static struct nvkm_i2c_bus_probe58nv_board_infos[] = {59 { { I2C_BOARD_INFO("w83l785ts", 0x2d) }, 0 },60 { { I2C_BOARD_INFO("w83781d", 0x2d) }, 0 },61 { { I2C_BOARD_INFO("adt7473", 0x2e) }, 40 },62 { { I2C_BOARD_INFO("adt7473", 0x2d) }, 40 },63 { { I2C_BOARD_INFO("adt7473", 0x2c) }, 40 },64 { { I2C_BOARD_INFO("f75375", 0x2e) }, 0 },65 { { I2C_BOARD_INFO("lm99", 0x4c) }, 0 },66 { { I2C_BOARD_INFO("lm90", 0x4c) }, 0 },67 { { I2C_BOARD_INFO("lm90", 0x4d) }, 0 },68 { { I2C_BOARD_INFO("adm1021", 0x18) }, 0 },69 { { I2C_BOARD_INFO("adm1021", 0x19) }, 0 },70 { { I2C_BOARD_INFO("adm1021", 0x1a) }, 0 },71 { { I2C_BOARD_INFO("adm1021", 0x29) }, 0 },72 { { I2C_BOARD_INFO("adm1021", 0x2a) }, 0 },73 { { I2C_BOARD_INFO("adm1021", 0x2b) }, 0 },74 { { I2C_BOARD_INFO("adm1021", 0x4c) }, 0 },75 { { I2C_BOARD_INFO("adm1021", 0x4d) }, 0 },76 { { I2C_BOARD_INFO("adm1021", 0x4e) }, 0 },77 { { I2C_BOARD_INFO("lm63", 0x18) }, 0 },78 { { I2C_BOARD_INFO("lm63", 0x4e) }, 0 },79 { }80};81 82void83nvkm_therm_ic_ctor(struct nvkm_therm *therm)84{85 struct nvkm_device *device = therm->subdev.device;86 struct nvkm_bios *bios = device->bios;87 struct nvkm_i2c *i2c = device->i2c;88 struct nvkm_i2c_bus *bus;89 struct nvbios_extdev_func extdev_entry;90 91 bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_PRI);92 if (!bus)93 return;94 95 if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) {96 struct nvkm_i2c_bus_probe board[] = {97 { { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) }, 0},98 { }99 };100 101 nvkm_i2c_bus_probe(bus, "monitoring device", board,102 probe_monitoring_device, therm);103 if (therm->ic)104 return;105 }106 107 if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) {108 struct nvkm_i2c_bus_probe board[] = {109 { { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) }, 20 },110 { }111 };112 113 nvkm_i2c_bus_probe(bus, "monitoring device", board,114 probe_monitoring_device, therm);115 if (therm->ic)116 return;117 }118 119 if (nvbios_extdev_skip_probe(bios))120 return;121 122 /* The vbios doesn't provide the address of an exisiting monitoring123 device. Let's try our static list.124 */125 nvkm_i2c_bus_probe(bus, "monitoring device", nv_board_infos,126 probe_monitoring_device, therm);127}128