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/*
* 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/i2c.h>
#include <subdev/bios/extdev.h>
static bool
probe_monitoring_device(struct nouveau_i2c_port *i2c,
struct i2c_board_info *info, void *data)
{
struct nouveau_therm_priv *priv = data;
struct nvbios_therm_sensor *sensor = &priv->bios_sensor;
struct i2c_client *client;
request_module("%s%s", I2C_MODULE_PREFIX, info->type);
client = i2c_new_device(&i2c->adapter, info);
if (!client)
return false;
if (!client->dev.driver ||
to_i2c_driver(client->dev.driver)->detect(client, info)) {
i2c_unregister_device(client);
return false;
}
nv_info(priv,
"Found an %s at address 0x%x (controlled by lm_sensors, "
"temp offset %+i C)\n",
info->type, info->addr, sensor->offset_constant);
priv->ic = client;
return true;
}
static struct nouveau_i2c_board_info
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
nouveau_therm_ic_ctor(struct nouveau_therm *therm)
{
struct nouveau_therm_priv *priv = (void *)therm;
struct nouveau_bios *bios = nouveau_bios(therm);
struct nouveau_i2c *i2c = nouveau_i2c(therm);
struct nvbios_extdev_func extdev_entry;
if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) {
struct nouveau_i2c_board_info board[] = {
{ { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) }, 0},
{ }
};
i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
board, probe_monitoring_device, therm);
if (priv->ic)
return;
}
if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) {
struct nouveau_i2c_board_info board[] = {
{ { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) }, 20 },
{ }
};
i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
board, probe_monitoring_device, therm);
if (priv->ic)
return;
}
/* The vbios doesn't provide the address of an exisiting monitoring
device. Let's try our static list.
*/
i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
nv_board_infos, probe_monitoring_device, therm);
}
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