432 lines
13 KiB
C
432 lines
13 KiB
C
#include "thermal.h"
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typedef struct
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{
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int dummy;
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} Extn;
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Eina_List *
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temperature_get_bus_files(const char *bus)
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{
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Eina_List *result;
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Eina_List *therms;
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char path[PATH_MAX];
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char busdir[PATH_MAX];
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char *name;
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result = NULL;
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snprintf(busdir, sizeof(busdir), "/sys/bus/%s/devices", bus);
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/* Look through all the devices for the given bus. */
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therms = ecore_file_ls(busdir);
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EINA_LIST_FREE(therms, name)
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{
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Eina_List *files;
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char *file;
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/* Search each device for temp*_input, these should be
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* temperature devices. */
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snprintf(path, sizeof(path), "%s/%s", busdir, name);
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files = ecore_file_ls(path);
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EINA_LIST_FREE(files, file)
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{
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if ((!strncmp("temp", file, 4)) &&
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(!strcmp("_input", &file[strlen(file) - 6])))
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{
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char *f;
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snprintf(path, sizeof(path),
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"%s/%s/%s", busdir, name, file);
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f = strdup(path);
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if (f) result = eina_list_append(result, f);
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}
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free(file);
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}
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free(name);
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}
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return result;
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}
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static void
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init(Tempthread *tth)
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{
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Eina_List *therms;
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char path[512];
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Extn *extn;
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if (tth->initted) return;
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tth->initted = EINA_TRUE;
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extn = calloc(1, sizeof(Extn));
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tth->extn = extn;
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if ((!tth->sensor_type) ||
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((!tth->sensor_name) ||
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(tth->sensor_name[0] == 0)))
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{
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eina_stringshare_del(tth->sensor_name);
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tth->sensor_name = NULL;
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eina_stringshare_del(tth->sensor_path);
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tth->sensor_path = NULL;
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therms = ecore_file_ls("/proc/acpi/thermal_zone");
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if (therms)
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{
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char *name;
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name = eina_list_data_get(therms);
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tth->sensor_type = SENSOR_TYPE_LINUX_ACPI;
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tth->sensor_name = eina_stringshare_add(name);
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eina_list_free(therms);
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}
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else
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{
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eina_list_free(therms);
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therms = ecore_file_ls("/sys/class/thermal");
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if (therms)
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{
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char *name;
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Eina_List *l;
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EINA_LIST_FOREACH(therms, l, name)
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{
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if (!strncmp(name, "thermal", 7))
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{
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tth->sensor_type = SENSOR_TYPE_LINUX_SYS;
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tth->sensor_name = eina_stringshare_add(name);
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eina_list_free(therms);
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therms = NULL;
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break;
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}
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}
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if (therms) eina_list_free(therms);
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}
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if (therms)
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{
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if (ecore_file_exists("/proc/omnibook/temperature"))
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{
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tth->sensor_type = SENSOR_TYPE_OMNIBOOK;
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tth->sensor_name = eina_stringshare_add("dummy");
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}
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else if (ecore_file_exists("/sys/devices/temperatures/sensor1_temperature"))
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{
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tth->sensor_type = SENSOR_TYPE_LINUX_PBOOK;
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tth->sensor_name = eina_stringshare_add("dummy");
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}
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else if (ecore_file_exists("/sys/devices/temperatures/cpu_temperature"))
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{
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tth->sensor_type = SENSOR_TYPE_LINUX_MACMINI;
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tth->sensor_name = eina_stringshare_add("dummy");
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}
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else if (ecore_file_exists("/sys/devices/platform/coretemp.0/temp1_input"))
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{
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tth->sensor_type = SENSOR_TYPE_LINUX_INTELCORETEMP;
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tth->sensor_name = eina_stringshare_add("dummy");
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}
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else if (ecore_file_exists("/sys/devices/platform/thinkpad_hwmon/temp1_input"))
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{
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tth->sensor_type = SENSOR_TYPE_LINUX_THINKPAD;
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tth->sensor_name = eina_stringshare_add("dummy");
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}
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else
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{
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// try the i2c bus
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therms = temperature_get_bus_files("i2c");
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if (therms)
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{
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char *name;
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if ((name = eina_list_data_get(therms)))
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{
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if (ecore_file_exists(name))
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{
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int len;
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snprintf(path, sizeof(path),
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"%s", ecore_file_file_get(name));
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len = strlen(path);
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if (len > 6) path[len - 6] = '\0';
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tth->sensor_type = SENSOR_TYPE_LINUX_I2C;
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tth->sensor_path = eina_stringshare_add(name);
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tth->sensor_name = eina_stringshare_add(path);
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}
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}
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eina_list_free(therms);
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}
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if (!tth->sensor_path)
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{
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// try the pci bus
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therms = temperature_get_bus_files("pci");
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if (therms)
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{
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char *name;
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if ((name = eina_list_data_get(therms)))
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{
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if (ecore_file_exists(name))
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{
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int len;
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snprintf(path, sizeof(path),
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"%s", ecore_file_file_get(name));
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len = strlen(path);
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if (len > 6) path[len - 6] = '\0';
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tth->sensor_type = SENSOR_TYPE_LINUX_PCI;
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tth->sensor_path = eina_stringshare_add(name);
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eina_stringshare_del(tth->sensor_name);
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tth->sensor_name = eina_stringshare_add(path);
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}
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}
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eina_list_free(therms);
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}
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}
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}
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}
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}
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}
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if ((tth->sensor_type) && (tth->sensor_name) && (!tth->sensor_path))
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{
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char *name;
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switch (tth->sensor_type)
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{
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case SENSOR_TYPE_NONE:
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break;
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case SENSOR_TYPE_OMNIBOOK:
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tth->sensor_path = eina_stringshare_add("/proc/omnibook/temperature");
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break;
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case SENSOR_TYPE_LINUX_MACMINI:
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tth->sensor_path = eina_stringshare_add("/sys/devices/temperatures/cpu_temperature");
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break;
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case SENSOR_TYPE_LINUX_PBOOK:
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tth->sensor_path = eina_stringshare_add("/sys/devices/temperatures/sensor1_temperature");
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break;
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case SENSOR_TYPE_LINUX_INTELCORETEMP:
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tth->sensor_path = eina_stringshare_add("/sys/devices/platform/coretemp.0/temp1_input");
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break;
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case SENSOR_TYPE_LINUX_THINKPAD:
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tth->sensor_path = eina_stringshare_add("/sys/devices/platform/thinkpad_hwmon/temp1_input");
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break;
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case SENSOR_TYPE_LINUX_I2C:
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therms = ecore_file_ls("/sys/bus/i2c/devices");
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EINA_LIST_FREE(therms, name)
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{
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snprintf(path, sizeof(path),
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"/sys/bus/i2c/devices/%s/%s_input",
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name, tth->sensor_name);
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if (ecore_file_exists(path))
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{
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tth->sensor_path = eina_stringshare_add(path);
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/* We really only care about the first
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* one for the default. */
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break;
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}
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free(name);
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}
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break;
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case SENSOR_TYPE_LINUX_PCI:
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therms = ecore_file_ls("/sys/bus/pci/devices");
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EINA_LIST_FREE(therms, name)
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{
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snprintf(path, sizeof(path),
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"/sys/bus/pci/devices/%s/%s_input",
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name, tth->sensor_name);
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if (ecore_file_exists(path))
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{
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tth->sensor_path = eina_stringshare_add(path);
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/* We really only care about the first
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* one for the default. */
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break;
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}
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free(name);
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}
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break;
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case SENSOR_TYPE_LINUX_ACPI:
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snprintf(path, sizeof(path),
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"/proc/acpi/thermal_zone/%s/temperature",
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tth->sensor_name);
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tth->sensor_path = eina_stringshare_add(path);
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break;
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case SENSOR_TYPE_LINUX_SYS:
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snprintf(path, sizeof(path),
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"/sys/class/thermal/%s/temp", tth->sensor_name);
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tth->sensor_path = eina_stringshare_add(path);
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break;
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default:
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break;
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}
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}
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}
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static int
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check(Tempthread *tth)
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{
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FILE *f = NULL;
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int ret = 0;
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int temp = 0;
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char buf[512];
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/* TODO: Make standard parser. Seems to be two types of temperature string:
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* - Somename: <temp> C
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* - <temp>
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*/
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switch (tth->sensor_type)
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{
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case SENSOR_TYPE_NONE:
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/* TODO: Slow down poller? */
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break;
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case SENSOR_TYPE_OMNIBOOK:
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f = fopen(tth->sensor_path, "r");
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if (f)
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{
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char dummy[4096];
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fclose(f);
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f = NULL;
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if (sscanf(buf, "%s %s %i", dummy, dummy, &temp) == 3)
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ret = 1;
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else
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goto error;
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}
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else
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goto error;
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break;
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case SENSOR_TYPE_LINUX_MACMINI:
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case SENSOR_TYPE_LINUX_PBOOK:
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f = fopen(tth->sensor_path, "rb");
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if (f)
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{
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if (fgets(buf, sizeof(buf), f) == NULL) goto error;
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fclose(f);
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f = NULL;
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if (sscanf(buf, "%i", &temp) == 1)
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ret = 1;
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else
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goto error;
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}
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else
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goto error;
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break;
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case SENSOR_TYPE_LINUX_INTELCORETEMP:
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case SENSOR_TYPE_LINUX_I2C:
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case SENSOR_TYPE_LINUX_THINKPAD:
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f = fopen(tth->sensor_path, "r");
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if (f)
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{
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if (fgets(buf, sizeof(buf), f) == NULL) goto error;
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fclose(f);
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f = NULL;
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/* actually read the temp */
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if (sscanf(buf, "%i", &temp) == 1)
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ret = 1;
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else
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goto error;
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/* Hack for temp */
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temp = temp / 1000;
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}
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else
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goto error;
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break;
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case SENSOR_TYPE_LINUX_PCI:
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f = fopen(tth->sensor_path, "r");
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if (f)
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{
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if (fgets(buf, sizeof(buf), f) == NULL) goto error;
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fclose(f);
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f = NULL;
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/* actually read the temp */
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if (sscanf(buf, "%i", &temp) == 1)
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ret = 1;
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else
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goto error;
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/* Hack for temp */
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temp = temp / 1000;
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}
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else
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goto error;
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break;
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case SENSOR_TYPE_LINUX_ACPI:
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f = fopen(tth->sensor_path, "r");
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if (f)
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{
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char *p, *q;
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if (fgets(buf, sizeof(buf), f) == NULL) goto error;
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fclose(f);
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f = NULL;
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p = strchr(buf, ':');
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if (p)
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{
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p++;
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while (*p == ' ')
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p++;
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q = strchr(p, ' ');
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if (q) *q = 0;
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temp = atoi(p);
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ret = 1;
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}
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else
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goto error;
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}
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else
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goto error;
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break;
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case SENSOR_TYPE_LINUX_SYS:
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f = fopen(tth->sensor_path, "r");
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if (f)
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{
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if (fgets(buf, sizeof(buf), f) == NULL) goto error;
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fclose(f);
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f = NULL;
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temp = atoi(buf);
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temp /= 1000;
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ret = 1;
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}
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else
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goto error;
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break;
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default:
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break;
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}
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if (ret) return temp;
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return -999;
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error:
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if (f) fclose(f);
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tth->sensor_type = SENSOR_TYPE_NONE;
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eina_stringshare_del(tth->sensor_name);
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tth->sensor_name = NULL;
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eina_stringshare_del(tth->sensor_path);
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tth->sensor_path = NULL;
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return -999;
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}
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int
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thermal_fallback_get(Tempthread *tth)
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{
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int temp;
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init(tth);
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temp = check(tth);
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return temp;
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}
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