/* ------------------------------------------------------------------------*//**
* @FUNCTION temp54xx_get
* @BRIEF return temperature measured by selected sensor
* (in degrees celcius)
* @RETURNS measured temperature in case of success
* TEMP_ABSOLUTE_ZERO (-273) in case of error
* @param[in] id: ADC temperature sensor id
* @param[in, out] temp: temperature (Celcius, min) (returned)
* @DESCRIPTION return temperature measured by selected sensor
* (in degrees celcius)
*//*------------------------------------------------------------------------ */
int temp54xx_get(temp54xx_sensor_id id)
{
int temp, ret;
char line[256];
unsigned int i;
FILE *fp = NULL;
static const char *sensor_filenames1[TEMP54XX_ID_MAX] = {
"/sys/kernel/debug/thermal_debug/devices/omap_cpu_sensor/temperature",
"/sys/kernel/debug/thermal_debug/devices/omap_cpu_governor/hotspot_temp",
"/sys/kernel/debug/thermal_debug/devices/omap_gpu_sensor/temperature",
"/sys/kernel/debug/thermal_debug/devices/omap_gpu_governor/hotspot_temp",
"/sys/kernel/debug/thermal_debug/devices/omap_core_sensor/temperature",
"/sys/kernel/debug/emif.1/mr4",
"/sys/kernel/debug/emif.2/mr4",
"/sys/kernel/debug/thermal_debug/devices/tmp102_temp_sensor.72/temperature",
"/sys/kernel/debug/thermal_debug/devices/tmp006_sensor/temperature",
"/sys/kernel/debug/thermal_debug/devices/tmp102_temp_sensor.73/temperature"};
static const char *sensor_filenames2[TEMP54XX_ID_MAX] = {
"/sys/devices/platform/omap/omap_temp_sensor.0/temp1_input",
"/sys/kernel/debug/thermal_debug/devices/omap_cpu_governor/hotspot_temp",
"/sys/devices/platform/omap/omap_temp_sensor.1/temp1_input",
"/sys/kernel/debug/thermal_debug/devices/omap_gpu_governor/hotspot_temp",
"/sys/devices/platform/omap/omap_temp_sensor.2/temp1_input",
"/sys/kernel/debug/emif.1/mr4",
"/sys/kernel/debug/emif.2/mr4",
"/sys/kernel/debug/thermal_debug/devices/tmp102_temp_sensor.72/temperature",
"/sys/kernel/debug/thermal_debug/devices/tmp006_sensor/temperature",
"/sys/kernel/debug/thermal_debug/devices/tmp102_temp_sensor.73/temperature"};
static const char *sensor_filenames3[TEMP54XX_ID_MAX] = {
"/sys/devices/platform/omap/omap4plus_scm.0/temp_sensor_hwmon.0/temp1_input",
"/sys/kernel/debug/thermal_debug/devices/omap_cpu_governor/hotspot_temp",
"/sys/devices/platform/omap/omap4plus_scm.0/temp_sensor_hwmon.1/temp1_input",
"/sys/kernel/debug/thermal_debug/devices/omap_gpu_governor/hotspot_temp",
"/sys/devices/platform/omap/omap4plus_scm.0/temp_sensor_hwmon.2/temp1_input",
"/sys/kernel/debug/emif.1/mr4",
"/sys/kernel/debug/emif.2/mr4",
"/sys/kernel/debug/thermal_debug/devices/tmp102_temp_sensor.72/temperature",
"/sys/kernel/debug/thermal_debug/devices/tmp006_sensor/temperature",
"/sys/kernel/debug/thermal_debug/devices/tmp102_temp_sensor.73/temperature"};
static const char **sensor_filenames_list[3] = {
sensor_filenames1,
sensor_filenames2,
sensor_filenames3};
CHECK_CPU(54xx, TEMP_ABSOLUTE_ZERO);
CHECK_ARG_LESS_THAN(id, TEMP54XX_ID_MAX, TEMP_ABSOLUTE_ZERO);
/* Open file exported by temp. sensor driver (if loaded) */
for (i = 0; i < 3; i++) {
dprintf("%s(): i=%u id=%u filename=%s\n", __func__, i, id,
(char *) sensor_filenames_list[i][id]);
fp = fopen((char *) sensor_filenames_list[i][id], "r");
if (fp != NULL)
break;
}
if (fp == NULL) {
dprintf("%s(): could not open %s file!\n", __func__,
temp54xx_name_get(id));
temp = TEMP_ABSOLUTE_ZERO;
goto temp54xx_get_end;
}
/* Read file */
if (fgets(line, 256, fp) == NULL) {
fclose(fp);
dprintf("%s(): fgets() returned NULL!\n", __func__);
temp = TEMP_ABSOLUTE_ZERO;
goto temp54xx_get_end;
}
fclose(fp);
/* Remove endind '\n' */
line[strlen(line) - 1] = '\0';
dprintf("%s(): line=%s len=%u\n", __func__, line, strlen(line));
if ((id != TEMP54XX_EMIF1) && (id != TEMP54XX_EMIF2)) {
/* Retrieve temperature, in millidegrees celcius */
ret = sscanf(line, "%d", &temp);
if (ret != 1) {
dprintf("%s(): sscanf() returned %d!\n", __func__, ret);
temp = TEMP_ABSOLUTE_ZERO;
goto temp54xx_get_end;
}
temp = temp / 1000; /* convert to degrees */
} else {
/* Retrieve temperature as MR4 code */
ret = sscanf(line, "MR4=%d", &temp);
if (ret != 1) {
dprintf("%s(): sscanf() returned %d!\n", __func__, ret);
temp = TEMP_ABSOLUTE_ZERO;
goto temp54xx_get_end;
}
}
temp54xx_get_end:
if ((id != TEMP54XX_EMIF1) && (id != TEMP54XX_EMIF2)) {
dprintf("%s(%s): temp is %d C\n", __func__,
temp54xx_name_get(id), temp);
} else {
dprintf("%s(%s): temp is %s\n", __func__,
temp54xx_name_get(id),
emif_mr4_convert(temp, TEMP_CELCIUS_DEGREES));
}
return temp;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION temp_sensor_show
* @BRIEF display all available temperatures formatted in a table.
* @RETURNS temperatures formatted in a table
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_INTERNAL
* OMAPCONF_ERR_NOT_AVAILABLE
* @param[in,out] stream: output file
* @param[in,out] sensor: generic temperature sensor name
* Use "all" to show all temperatures
* @param[in] hw: use s/w (driver based) read or hw_sensor read?
* @DESCRIPTION display all available temperatures formatted in a table.
* Display both Celcius and Fahrenheit degrees.
*//*------------------------------------------------------------------------ */
static int _temp_sensor_show(FILE *stream, const char *sensor, const char hw)
{
char table[TABLE_MAX_ROW][TABLE_MAX_COL][TABLE_MAX_ELT_LEN];
unsigned int row = 0;
int i, count, temp, temp_f;
char temp_s[EMIF_TEMP_MAX_NAME_LENGTH];
const char sensor2[TEMP_SENSOR_MAX_NAME_LENGTH];
const genlist *list;
CHECK_NULL_ARG(stream, OMAPCONF_ERR_ARG);
CHECK_NULL_ARG(sensor, OMAPCONF_ERR_ARG);
if (strcasecmp(sensor, "all") != 0) {
if (!temp_sensor_is_available(sensor)) {
fprintf(stderr,
"omapconf: '%s' temperature sensor is not available!\n",
sensor);
return OMAPCONF_ERR_NOT_AVAILABLE;
}
if (hw)
temp = hwtemp_sensor_get(sensor);
else
temp = temp_sensor_get(sensor);
if (temp == TEMP_ABSOLUTE_ZERO) {
fprintf(stderr,
"omapconf: could not retrieve '%s' temperature!\n",
sensor);
return OMAPCONF_ERR_INTERNAL;
} else if ((strcasecmp(sensor, TEMP_SENSOR_MEM1) == 0) ||
(strcasecmp(sensor, TEMP_SENSOR_MEM2) == 0)) {
fprintf(stream, "%s\n",
emif_mr4_convert((emif_mr4_code) temp,
TEMP_CELCIUS_DEGREES));
return 0;
} else {
fprintf(stream, "%d\n", temp);
return 0;
}
}
/* Retrieve temperature sensor list */
list = temp_sensor_list_get();
if (list == NULL) {
fprintf(stderr, "omapconf: CPU not yet supported, sorry...\n");
return OMAPCONF_ERR_INTERNAL;
}
/* Retrieve temperature sensor list count */
count = temp_sensor_count_get();
if (count <= 0) {
fprintf(stderr, "omapconf: could not retrieve sensor count!\n");
return OMAPCONF_ERR_INTERNAL;
}
dprintf("found %d temperature sensors\n", count);
/* Fill table header */
row = 0;
autoadjust_table_init(table);
autoadjust_table_strncpy(table, row, 0, "Sensor");
autoadjust_table_strncpy(table, row, 1, "Temperature (C)");
autoadjust_table_strncpy(table, row++, 2, "Temperature (F)");
/* Fill table with temperatures */
for (i = 0; i < count; i++) {
genlist_get((genlist *) list, i, (char *) &sensor2);
if (sensor2 == NULL) {
fprintf(stderr,
"omapconf: could not retrieve sensor!\n");
return OMAPCONF_ERR_INTERNAL;
}
autoadjust_table_strncpy(table, row, 0, (char *) sensor2);
dprintf("%s(): sensor is %s\n", __func__, sensor2);
if (hw)
temp = hwtemp_sensor_get(sensor2);
else
temp = temp_sensor_get(sensor2);
if (temp != TEMP_ABSOLUTE_ZERO) {
if ((strcasecmp(sensor2, TEMP_SENSOR_MEM1) == 0) ||
(strcasecmp(sensor2, TEMP_SENSOR_MEM2) == 0)) {
sprintf(temp_s, "%s",
emif_mr4_convert((emif_mr4_code) temp,
TEMP_CELCIUS_DEGREES));
autoadjust_table_strncpy(table, row, 1, temp_s);
sprintf(temp_s, "%s",
emif_mr4_convert((emif_mr4_code) temp,
TEMP_FAHRENHEIT_DEGREES));
autoadjust_table_strncpy(table, row++, 2,
temp_s);
} else {
sprintf(temp_s, "%d", temp);
autoadjust_table_strncpy(table, row, 1, temp_s);
temp_f = celcius2fahrenheit(temp);
sprintf(temp_s, "%d", temp_f);
autoadjust_table_strncpy(table, row++, 2,
temp_s);
}
} else {
autoadjust_table_strncpy(table, row, 1, "NA");
autoadjust_table_strncpy(table, row++, 2, "NA");
}
}
/* Display table */
return autoadjust_table_fprint(stream, table, row, 3);
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION temp44xx_get
* @BRIEF return temperature measured by selected sensor
* (in degrees celcius)
* @RETURNS measured temperature in case of success
* TEMP_ABSOLUTE_ZERO (-273) in case of error
* @param[in] id: temperature sensor id
* @DESCRIPTION return temperature measured by selected sensor
* (in degrees celcius)
*//*------------------------------------------------------------------------ */
int temp44xx_get(temp44xx_sensor_id id)
{
int temp, ret;
char line[256];
unsigned int i;
FILE *fp = NULL;
static const char *sensor_filenames1[TEMP44XX_ID_MAX] = {
"/sys/devices/platform/omap4plus_scm.0/temp_sensor_hwmon.0/temp1_input", /* GLP */
"/sys/devices/platform/omap/omap_temp_sensor.0/hotspot_temp",
"/sys/kernel/debug/emif.1/mr4", /* GLP */
"/sys/kernel/debug/emif.1/mr4", /* GLP */
"/sys/kernel/debug/emif.2/mr4", /* GLP */
"/sys/kernel/debug/emif.2/mr4", /* GLP */
"/sys/devices/platform/i2c_omap.1/i2c-1/1-0049/twl6030_gpadc/in4_input"
}; /* 4460 */
static const char *sensor_filenames2[TEMP44XX_ID_MAX] = {
"/sys/devices/platform/omap/omap_temp_sensor.0/temp1_input", /* Android */
"/sys/devices/platform/omap/omap_temp_sensor.0/hotspot_temp",
"/sys/devices/platform/omap/omap_emif.0/temperature", /* Android */
"/sys/devices/platform/omap/omap_emif.0/temperature", /* Android */
"/sys/devices/platform/omap/omap_emif.1/temperature", /* Android */
"/sys/devices/platform/omap/omap_emif.1/temperature", /* Android */
"/sys/devices/platform/omap/pcb_temp_sensor.0/temp1_input"
}; /* 4460 */
static const char *sensor_filenames3[TEMP44XX_ID_MAX] = {
"/sys/devices/platform/omap4plus_scm.0/temp_sensor_hwmon.0/temp1_input",
"/sys/devices/platform/omap/omap_temp_sensor.0/hotspot_temp",
"/sys/kernel/debug/emif.1/mr4",
"/sys/kernel/debug/emif.1/mr4",
"/sys/kernel/debug/emif.2/mr4",
"/sys/kernel/debug/emif.2/mr4",
"/sys/devices/platform/i2c_omap.4/i2c-4/4-0048/temp1_input"
}; /* 4470 */
static const char *sensor_filenames4[TEMP44XX_ID_MAX] = {
"/sys/devices/platform/omap4plus_scm.0/temp_sensor_hwmon.0/temp1_input",
"/sys/devices/platform/omap/omap_temp_sensor.0/hotspot_temp",
"/sys/kernel/debug/emif.1/mr4",
"/sys/kernel/debug/emif.1/mr4",
"/sys/kernel/debug/emif.2/mr4",
"/sys/kernel/debug/emif.2/mr4",
"/sys/devices/platform/omap/omap_i2c.4/i2c-4/4-0048/temp1_input"
}; /* 4470 */
static const char **sensor_filenames_list[4] = {
sensor_filenames1,
sensor_filenames2,
sensor_filenames3,
sensor_filenames4
};
CHECK_CPU(44xx, TEMP_ABSOLUTE_ZERO);
CHECK_ARG_LESS_THAN(id, TEMP44XX_ID_MAX, TEMP_ABSOLUTE_ZERO);
/* Open file exported by temp. sensor driver (if loaded) */
for (i = 0; i < 4; i++) {
dprintf("%s(): i=%u id=%u filename=%s\n", __func__, i, id,
(char *) sensor_filenames_list[i][id]);
fp = fopen((char *) sensor_filenames_list[i][id], "r");
if (fp != NULL)
break;
}
if (fp == NULL) {
dprintf("%s(): could not open %s file!\n", __func__,
temp44xx_name_get(id));
temp = TEMP_ABSOLUTE_ZERO;
goto temp44xx_get_end;
}
/* Read file */
if (fgets(line, 256, fp) == NULL) {
fclose(fp);
dprintf("%s(): fgets() returned NULL!\n", __func__);
temp = TEMP_ABSOLUTE_ZERO;
goto temp44xx_get_end;
}
fclose(fp);
/* Remove endind '\n' */
line[strlen(line) - 1] = '\0';
dprintf("%s(): line=%s len=%u\n", __func__, line, strlen(line));
if ((id != TEMP44XX_DDR1_CS1) && (id != TEMP44XX_DDR1_CS2) &&
(id != TEMP44XX_DDR2_CS1) && (id != TEMP44XX_DDR2_CS1)) {
/* Retrieve temperature, in millidegrees celcius */
ret = sscanf(line, "%d", &temp);
if (ret != 1) {
dprintf("%s(): sscanf() returned %d!\n", __func__, ret);
temp = TEMP_ABSOLUTE_ZERO;
goto temp44xx_get_end;
}
temp = temp / 1000; /* convert to degrees */
} else {
/* Retrieve temperature as MR4 code */
ret = sscanf(line, "MR4=%d", &temp);
if (ret != 1) {
dprintf("%s(): sscanf(\"MR4=%%d\") returned %d!\n",
__func__, ret);
ret = sscanf(line, "%d", &temp);
if (ret != 1) {
dprintf("%s(): sscanf(\"%%d\") returned %d!\n",
__func__, ret);
temp = TEMP_ABSOLUTE_ZERO;
goto temp44xx_get_end;
}
}
}
temp44xx_get_end:
if ((id != TEMP44XX_DDR1_CS1) && (id != TEMP44XX_DDR1_CS2) &&
(id != TEMP44XX_DDR2_CS1) && (id != TEMP44XX_DDR2_CS1)) {
dprintf("%s(%s): temp is %d C\n", __func__,
temp44xx_name_get(id), temp);
} else {
dprintf("%s(%s): temp is %s\n", __func__,
temp44xx_name_get(id),
emif_mr4_convert(temp, TEMP_CELCIUS_DEGREES));
}
return temp;
}
