Signed-off-by: Ricardo Ribalda Delgado <[EMAIL PROTECTED]> --- drivers/hwmon/Makefile | 1 + drivers/hwmon/adt7460.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++ drivers/hwmon/adt7460.h | 49 ++++++++++++++++++++++++++ include/dtt.h | 2 +- 4 files changed, 140 insertions(+), 1 deletions(-) create mode 100644 drivers/hwmon/adt7460.c create mode 100644 drivers/hwmon/adt7460.h
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 065433a..83aa297 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -34,6 +34,7 @@ COBJS-y += adm1021.o COBJS-y += ds1621.o COBJS-y += ds1722.o COBJS-y += ds1775.o +COBJS-y += adt7460.o COBJS-$(CONFIG_DTT_LM73) += lm73.o COBJS-y += lm75.o COBJS-y += lm81.o diff --git a/drivers/hwmon/adt7460.c b/drivers/hwmon/adt7460.c new file mode 100644 index 0000000..255d6ed --- /dev/null +++ b/drivers/hwmon/adt7460.c @@ -0,0 +1,89 @@ +/* + (C) Copyright 2008 + Ricado Ribalda, Universidad Autonoma de Madrid, ricardo.ribalda<at>uam.es , ricardo.ribalda<at>gmail.com + This work has been supported by: Q-Technology http://qtec.com/ + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <common.h> + +#ifdef CONFIG_DTT_ADT7460 + +#include <i2c.h> +#include <dtt.h> +#include "adt7460.h" + +#define ADT7460_ADDRESS 0x2c + + +int dtt_read(int sensor, int reg) +{ + u8 dir=reg; + u8 data; + + if (-1==i2c_read(ADT7460_ADDRESS,dir,1,&data,1)) + return -1; + + if (data==ADT7460_INVALID) + return -1; + + return data; + +} + + +int dtt_write(int sensor, int reg, int val) +{ + u8 dir=reg; + u8 data=val; + + if (-1==i2c_write(ADT7460_ADDRESS,dir,1,&data,1)) + return -1; + + return 0; +} + + + +int dtt_init (void) +{ + printf("ADT7460 at I2C address 0x%2x\n",ADT7460_ADDRESS); + if (-1==dtt_write(0,ADT7460_CONFIG,1)){ + printf("Error initialiting ADT7460\n"); + return -1; + } + return 0; +} + + +int dtt_get_temp(int sensor) +{ + int aux; + u8 table[]={ADT7460_REM1_TEMP,ADT7460_LOCAL_TEMP,ADT7460_REM2_TEMP}; + if (sensor>2){ + printf("DTT sensor does not exist\n"); + return -1; + } + + aux=dtt_read(0,table[sensor]); + + if (-1==aux){ + printf("DTT temperature read failed\n"); + return -1; + + } + return aux; +} +#endif diff --git a/drivers/hwmon/adt7460.h b/drivers/hwmon/adt7460.h new file mode 100644 index 0000000..48666f7 --- /dev/null +++ b/drivers/hwmon/adt7460.h @@ -0,0 +1,49 @@ +/* + (C) Copyright 2008 + Ricado Ribalda, Universidad Autonoma de Madrid, ricardo.ribalda<at>uam.es , ricardo.ribalda<at>gmail.com + This work has been supported by: Q-Technology http://qtec.com/ + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +#ifndef ADT7460 +#define ADT7460 + + +#define ADT7460_INVALID 128 + +#define ADT7460_2_5V 0x20 +#define ADT7460_VCCP 0x21 +#define ADT7460_VCC 0x22 +#define ADT7460_V5 0x23 +#define ADT7460_V12 0x24 +#define ADT7460_REM1_TEMP 0x25 +#define ADT7460_LOCAL_TEMP 0x26 +#define ADT7460_REM2_TEMP 0x27 +#define ADT7460_TACH1L 0x28 +#define ADT7460_TACH1H 0x29 +#define ADT7460_TACH2L 0x2a +#define ADT7460_TACH2H 0x2b +#define ADT7460_TACH3L 0x2c +#define ADT7460_TACH3H 0x2d +#define ADT7460_TACH4L 0x2e +#define ADT7460_TACH4H 0x2f +#define ADT7460_TACH5L 0xa9 +#define ADT7460_TACH5H 0xaa +#define ADT7460_TACH6L 0xab +#define ADT7460_TACH6H 0xac +#define ADT7460_REVISION 0x3f +#define ADT7460_CONFIG 0x40 + + +#endif diff --git a/include/dtt.h b/include/dtt.h index 4e8aaad..73d7547 100644 --- a/include/dtt.h +++ b/include/dtt.h @@ -32,7 +32,7 @@ defined(CONFIG_DTT_DS1775) || \ defined(CONFIG_DTT_LM81) || \ defined(CONFIG_DTT_ADM1021) || \ - defined(CONFIG_DTT_LM73) + defined(CONFIG_DTT_LM73)||defined(CONFIG_DTT_ADT7460) #define CONFIG_DTT /* We have a DTT */ -- 1.5.6.2 ------------------------------------------------------------------------- Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! Studies have shown that voting for your favorite open source project, along with a healthy diet, reduces your potential for chronic lameness and boredom. Vote Now at http://www.sourceforge.net/community/cca08 _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
