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-rw-r--r--drivers/hwmon/applesmc.c500
1 files changed, 111 insertions, 389 deletions
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index f213997adaec..03c24b7c9cbd 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -84,94 +84,6 @@
#define FAN_TARGET_SPEED "F0Tg" /* r-w fpe2 (2 bytes) */
#define FAN_POSITION "F0ID" /* r-o char[16] */
-/*
- * Temperature sensors keys (sp78 - 2 bytes).
- */
-static const char *temperature_sensors_sets[][41] = {
-/* Set 0: Macbook Pro */
- { "TA0P", "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "Th0H",
- "Th1H", "Tm0P", "Ts0P", "Ts1P", NULL },
-/* Set 1: Macbook2 set */
- { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "TTF0", "Th0H",
- "Th0S", "Th1H", NULL },
-/* Set 2: Macbook set */
- { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TN1P", "Th0H", "Th0S",
- "Th1H", "Ts0P", NULL },
-/* Set 3: Macmini set */
- { "TC0D", "TC0P", NULL },
-/* Set 4: Mac Pro (2 x Quad-Core) */
- { "TA0P", "TCAG", "TCAH", "TCBG", "TCBH", "TC0C", "TC0D", "TC0P",
- "TC1C", "TC1D", "TC2C", "TC2D", "TC3C", "TC3D", "THTG", "TH0P",
- "TH1P", "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S",
- "TM1P", "TM1S", "TM2P", "TM2S", "TM3S", "TM8P", "TM8S", "TM9P",
- "TM9S", "TN0H", "TS0C", NULL },
-/* Set 5: iMac */
- { "TC0D", "TA0P", "TG0P", "TG0D", "TG0H", "TH0P", "Tm0P", "TO0P",
- "Tp0C", NULL },
-/* Set 6: Macbook3 set */
- { "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TTF0", "TW0P", "Th0H",
- "Th0S", "Th1H", NULL },
-/* Set 7: Macbook Air */
- { "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TC0P", "TCFP",
- "TTF0", "TW0P", "Th0H", "Tp0P", "TpFP", "Ts0P", "Ts0S", NULL },
-/* Set 8: Macbook Pro 4,1 (Penryn) */
- { "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H",
- "Th1H", "Th2H", "Tm0P", "Ts0P", NULL },
-/* Set 9: Macbook Pro 3,1 (Santa Rosa) */
- { "TALP", "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P",
- "Th0H", "Th1H", "Th2H", "Tm0P", "Ts0P", NULL },
-/* Set 10: iMac 5,1 */
- { "TA0P", "TC0D", "TC0P", "TG0D", "TH0P", "TO0P", "Tm0P", NULL },
-/* Set 11: Macbook 5,1 */
- { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0P", "TN0D", "TN0P",
- "TTF0", "Th0H", "Th1H", "ThFH", "Ts0P", "Ts0S", NULL },
-/* Set 12: Macbook Pro 5,1 */
- { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TG0D",
- "TG0F", "TG0H", "TG0P", "TG0T", "TG1H", "TN0D", "TN0P", "TTF0",
- "Th2H", "Tm0P", "Ts0P", "Ts0S", NULL },
-/* Set 13: iMac 8,1 */
- { "TA0P", "TC0D", "TC0H", "TC0P", "TG0D", "TG0H", "TG0P", "TH0P",
- "TL0P", "TO0P", "TW0P", "Tm0P", "Tp0P", NULL },
-/* Set 14: iMac 6,1 */
- { "TA0P", "TC0D", "TC0H", "TC0P", "TG0D", "TG0H", "TG0P", "TH0P",
- "TO0P", "Tp0P", NULL },
-/* Set 15: MacBook Air 2,1 */
- { "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TN0D", "TTF0",
- "TV0P", "TVFP", "TW0P", "Th0P", "Tp0P", "Tp1P", "TpFP", "Ts0P",
- "Ts0S", NULL },
-/* Set 16: Mac Pro 3,1 (2 x Quad-Core) */
- { "TA0P", "TCAG", "TCAH", "TCBG", "TCBH", "TC0C", "TC0D", "TC0P",
- "TC1C", "TC1D", "TC2C", "TC2D", "TC3C", "TC3D", "TH0P", "TH1P",
- "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S", "TM1P",
- "TM1S", "TM2P", "TM2S", "TM3S", "TM8P", "TM8S", "TM9P", "TM9S",
- "TN0C", "TN0D", "TN0H", "TS0C", "Tp0C", "Tp1C", "Tv0S", "Tv1S",
- NULL },
-/* Set 17: iMac 9,1 */
- { "TA0P", "TC0D", "TC0H", "TC0P", "TG0D", "TG0H", "TH0P", "TL0P",
- "TN0D", "TN0H", "TN0P", "TO0P", "Tm0P", "Tp0P", NULL },
-/* Set 18: MacBook Pro 2,2 */
- { "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "TM0P", "TTF0",
- "Th0H", "Th1H", "Tm0P", "Ts0P", NULL },
-/* Set 19: Macbook Pro 5,3 */
- { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TG0D",
- "TG0F", "TG0H", "TG0P", "TG0T", "TN0D", "TN0P", "TTF0", "Th2H",
- "Tm0P", "Ts0P", "Ts0S", NULL },
-/* Set 20: MacBook Pro 5,4 */
- { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TN0D",
- "TN0P", "TTF0", "Th2H", "Ts0P", "Ts0S", NULL },
-/* Set 21: MacBook Pro 6,2 */
- { "TB0T", "TB1T", "TB2T", "TC0C", "TC0D", "TC0P", "TC1C", "TG0D",
- "TG0P", "TG0T", "TMCD", "TP0P", "TPCD", "Th1H", "Th2H", "Tm0P",
- "Ts0P", "Ts0S", NULL },
-/* Set 22: MacBook Pro 7,1 */
- { "TB0T", "TB1T", "TB2T", "TC0D", "TC0P", "TN0D", "TN0P", "TN0S",
- "TN1D", "TN1F", "TN1G", "TN1S", "Th1H", "Ts0P", "Ts0S", NULL },
-/* Set 23: MacBook Air 3,1 */
- { "TB0T", "TB1T", "TB2T", "TC0D", "TC0E", "TC0P", "TC1E", "TCZ3",
- "TCZ4", "TCZ5", "TG0E", "TG1E", "TG2E", "TGZ3", "TGZ4", "TGZ5",
- "TH0F", "TH0O", "TM0P" },
-};
-
/* List of keys used to read/write fan speeds */
static const char* fan_speed_keys[] = {
FAN_ACTUAL_SPEED,
@@ -192,6 +104,8 @@ static const char* fan_speed_keys[] = {
#define SENSOR_Y 1
#define SENSOR_Z 2
+#define to_index(attr) (to_sensor_dev_attr(attr)->index)
+
/* Structure to be passed to DMI_MATCH function */
struct dmi_match_data {
/* Indicates whether this computer has an accelerometer. */
@@ -202,6 +116,20 @@ struct dmi_match_data {
int temperature_set;
};
+/* Dynamic device node attributes */
+struct applesmc_dev_attr {
+ struct sensor_device_attribute sda; /* hwmon attributes */
+ char name[32]; /* room for node file name */
+};
+
+/* Dynamic device node group */
+struct applesmc_node_group {
+ char *format; /* format string */
+ void *show; /* show function */
+ void *store; /* store function */
+ struct applesmc_dev_attr *nodes; /* dynamic node array */
+};
+
/* AppleSMC entry - cached register information */
struct applesmc_entry {
char key[5]; /* four-letter key code */
@@ -215,6 +143,9 @@ struct applesmc_entry {
static struct applesmc_registers {
struct mutex mutex; /* register read/write mutex */
unsigned int key_count; /* number of SMC registers */
+ unsigned int temp_count; /* number of temperature registers */
+ unsigned int temp_begin; /* temperature lower index bound */
+ unsigned int temp_end; /* temperature upper index bound */
bool init_complete; /* true when fully initialized */
struct applesmc_entry *cache; /* cached key entries */
} smcreg = {
@@ -239,9 +170,6 @@ static unsigned int applesmc_light;
/* The number of fans handled by the driver */
static unsigned int fans_handled;
-/* Indicates which temperature sensors set to use. */
-static unsigned int applesmc_temperature_set;
-
/*
* Last index written to key_at_index sysfs file, and value to use for all other
* key_at_index_* sysfs files.
@@ -592,9 +520,17 @@ static int applesmc_init_smcreg_try(void)
if (!s->cache)
return -ENOMEM;
+ ret = applesmc_get_lower_bound(&s->temp_begin, "T");
+ if (ret)
+ return ret;
+ ret = applesmc_get_lower_bound(&s->temp_end, "U");
+ if (ret)
+ return ret;
+ s->temp_count = s->temp_end - s->temp_begin;
+
s->init_complete = true;
- pr_info("key=%d\n", s->key_count);
+ pr_info("key=%d temp=%d\n", s->key_count, s->temp_count);
return 0;
}
@@ -775,32 +711,38 @@ out:
static ssize_t applesmc_show_sensor_label(struct device *dev,
struct device_attribute *devattr, char *sysfsbuf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- const char *key =
- temperature_sensors_sets[applesmc_temperature_set][attr->index];
+ int index = smcreg.temp_begin + to_index(devattr);
+ const struct applesmc_entry *entry;
- return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", key);
+ entry = applesmc_get_entry_by_index(index);
+ if (IS_ERR(entry))
+ return PTR_ERR(entry);
+
+ return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", entry->key);
}
/* Displays degree Celsius * 1000 */
static ssize_t applesmc_show_temperature(struct device *dev,
struct device_attribute *devattr, char *sysfsbuf)
{
+ int index = smcreg.temp_begin + to_index(devattr);
+ const struct applesmc_entry *entry;
int ret;
u8 buffer[2];
unsigned int temp;
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- const char* key =
- temperature_sensors_sets[applesmc_temperature_set][attr->index];
- ret = applesmc_read_key(key, buffer, 2);
- temp = buffer[0]*1000;
- temp += (buffer[1] >> 6) * 250;
+ entry = applesmc_get_entry_by_index(index);
+ if (IS_ERR(entry))
+ return PTR_ERR(entry);
+ ret = applesmc_read_entry(entry, buffer, 2);
if (ret)
return ret;
- else
- return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", temp);
+
+ temp = buffer[0]*1000;
+ temp += (buffer[1] >> 6) * 250;
+
+ return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", temp);
}
static ssize_t applesmc_show_fan_speed(struct device *dev,
@@ -1161,263 +1103,10 @@ static const struct attribute_group fan_attribute_groups[] = {
{ .attrs = fan4_attributes },
};
-/*
- * Temperature sensors sysfs entries.
- */
-static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 1);
-static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 2);
-static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 3);
-static SENSOR_DEVICE_ATTR(temp5_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 4);
-static SENSOR_DEVICE_ATTR(temp6_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 5);
-static SENSOR_DEVICE_ATTR(temp7_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 6);
-static SENSOR_DEVICE_ATTR(temp8_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 7);
-static SENSOR_DEVICE_ATTR(temp9_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 8);
-static SENSOR_DEVICE_ATTR(temp10_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 9);
-static SENSOR_DEVICE_ATTR(temp11_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 10);
-static SENSOR_DEVICE_ATTR(temp12_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 11);
-static SENSOR_DEVICE_ATTR(temp13_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 12);
-static SENSOR_DEVICE_ATTR(temp14_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 13);
-static SENSOR_DEVICE_ATTR(temp15_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 14);
-static SENSOR_DEVICE_ATTR(temp16_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 15);
-static SENSOR_DEVICE_ATTR(temp17_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 16);
-static SENSOR_DEVICE_ATTR(temp18_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 17);
-static SENSOR_DEVICE_ATTR(temp19_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 18);
-static SENSOR_DEVICE_ATTR(temp20_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 19);
-static SENSOR_DEVICE_ATTR(temp21_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 20);
-static SENSOR_DEVICE_ATTR(temp22_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 21);
-static SENSOR_DEVICE_ATTR(temp23_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 22);
-static SENSOR_DEVICE_ATTR(temp24_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 23);
-static SENSOR_DEVICE_ATTR(temp25_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 24);
-static SENSOR_DEVICE_ATTR(temp26_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 25);
-static SENSOR_DEVICE_ATTR(temp27_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 26);
-static SENSOR_DEVICE_ATTR(temp28_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 27);
-static SENSOR_DEVICE_ATTR(temp29_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 28);
-static SENSOR_DEVICE_ATTR(temp30_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 29);
-static SENSOR_DEVICE_ATTR(temp31_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 30);
-static SENSOR_DEVICE_ATTR(temp32_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 31);
-static SENSOR_DEVICE_ATTR(temp33_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 32);
-static SENSOR_DEVICE_ATTR(temp34_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 33);
-static SENSOR_DEVICE_ATTR(temp35_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 34);
-static SENSOR_DEVICE_ATTR(temp36_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 35);
-static SENSOR_DEVICE_ATTR(temp37_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 36);
-static SENSOR_DEVICE_ATTR(temp38_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 37);
-static SENSOR_DEVICE_ATTR(temp39_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 38);
-static SENSOR_DEVICE_ATTR(temp40_label, S_IRUGO,
- applesmc_show_sensor_label, NULL, 39);
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO,
- applesmc_show_temperature, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO,
- applesmc_show_temperature, NULL, 1);
-static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO,
- applesmc_show_temperature, NULL, 2);
-static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO,
- applesmc_show_temperature, NULL, 3);
-static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO,
- applesmc_show_temperature, NULL, 4);
-static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO,
- applesmc_show_temperature, NULL, 5);
-static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO,
- applesmc_show_temperature, NULL, 6);
-static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO,
- applesmc_show_temperature, NULL, 7);
-static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO,
- applesmc_show_temperature, NULL, 8);
-static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO,
- applesmc_show_temperature, NULL, 9);
-static SENSOR_DEVICE_ATTR(temp11_input, S_IRUGO,
- applesmc_show_temperature, NULL, 10);
-static SENSOR_DEVICE_ATTR(temp12_input, S_IRUGO,
- applesmc_show_temperature, NULL, 11);
-static SENSOR_DEVICE_ATTR(temp13_input, S_IRUGO,
- applesmc_show_temperature, NULL, 12);
-static SENSOR_DEVICE_ATTR(temp14_input, S_IRUGO,
- applesmc_show_temperature, NULL, 13);
-static SENSOR_DEVICE_ATTR(temp15_input, S_IRUGO,
- applesmc_show_temperature, NULL, 14);
-static SENSOR_DEVICE_ATTR(temp16_input, S_IRUGO,
- applesmc_show_temperature, NULL, 15);
-static SENSOR_DEVICE_ATTR(temp17_input, S_IRUGO,
- applesmc_show_temperature, NULL, 16);
-static SENSOR_DEVICE_ATTR(temp18_input, S_IRUGO,
- applesmc_show_temperature, NULL, 17);
-static SENSOR_DEVICE_ATTR(temp19_input, S_IRUGO,
- applesmc_show_temperature, NULL, 18);
-static SENSOR_DEVICE_ATTR(temp20_input, S_IRUGO,
- applesmc_show_temperature, NULL, 19);
-static SENSOR_DEVICE_ATTR(temp21_input, S_IRUGO,
- applesmc_show_temperature, NULL, 20);
-static SENSOR_DEVICE_ATTR(temp22_input, S_IRUGO,
- applesmc_show_temperature, NULL, 21);
-static SENSOR_DEVICE_ATTR(temp23_input, S_IRUGO,
- applesmc_show_temperature, NULL, 22);
-static SENSOR_DEVICE_ATTR(temp24_input, S_IRUGO,
- applesmc_show_temperature, NULL, 23);
-static SENSOR_DEVICE_ATTR(temp25_input, S_IRUGO,
- applesmc_show_temperature, NULL, 24);
-static SENSOR_DEVICE_ATTR(temp26_input, S_IRUGO,
- applesmc_show_temperature, NULL, 25);
-static SENSOR_DEVICE_ATTR(temp27_input, S_IRUGO,
- applesmc_show_temperature, NULL, 26);
-static SENSOR_DEVICE_ATTR(temp28_input, S_IRUGO,
- applesmc_show_temperature, NULL, 27);
-static SENSOR_DEVICE_ATTR(temp29_input, S_IRUGO,
- applesmc_show_temperature, NULL, 28);
-static SENSOR_DEVICE_ATTR(temp30_input, S_IRUGO,
- applesmc_show_temperature, NULL, 29);
-static SENSOR_DEVICE_ATTR(temp31_input, S_IRUGO,
- applesmc_show_temperature, NULL, 30);
-static SENSOR_DEVICE_ATTR(temp32_input, S_IRUGO,
- applesmc_show_temperature, NULL, 31);
-static SENSOR_DEVICE_ATTR(temp33_input, S_IRUGO,
- applesmc_show_temperature, NULL, 32);
-static SENSOR_DEVICE_ATTR(temp34_input, S_IRUGO,
- applesmc_show_temperature, NULL, 33);
-static SENSOR_DEVICE_ATTR(temp35_input, S_IRUGO,
- applesmc_show_temperature, NULL, 34);
-static SENSOR_DEVICE_ATTR(temp36_input, S_IRUGO,
- applesmc_show_temperature, NULL, 35);
-static SENSOR_DEVICE_ATTR(temp37_input, S_IRUGO,
- applesmc_show_temperature, NULL, 36);
-static SENSOR_DEVICE_ATTR(temp38_input, S_IRUGO,
- applesmc_show_temperature, NULL, 37);
-static SENSOR_DEVICE_ATTR(temp39_input, S_IRUGO,
- applesmc_show_temperature, NULL, 38);
-static SENSOR_DEVICE_ATTR(temp40_input, S_IRUGO,
- applesmc_show_temperature, NULL, 39);
-
-static struct attribute *label_attributes[] = {
- &sensor_dev_attr_temp1_label.dev_attr.attr,
- &sensor_dev_attr_temp2_label.dev_attr.attr,
- &sensor_dev_attr_temp3_label.dev_attr.attr,
- &sensor_dev_attr_temp4_label.dev_attr.attr,
- &sensor_dev_attr_temp5_label.dev_attr.attr,
- &sensor_dev_attr_temp6_label.dev_attr.attr,
- &sensor_dev_attr_temp7_label.dev_attr.attr,
- &sensor_dev_attr_temp8_label.dev_attr.attr,
- &sensor_dev_attr_temp9_label.dev_attr.attr,
- &sensor_dev_attr_temp10_label.dev_attr.attr,
- &sensor_dev_attr_temp11_label.dev_attr.attr,
- &sensor_dev_attr_temp12_label.dev_attr.attr,
- &sensor_dev_attr_temp13_label.dev_attr.attr,
- &sensor_dev_attr_temp14_label.dev_attr.attr,
- &sensor_dev_attr_temp15_label.dev_attr.attr,
- &sensor_dev_attr_temp16_label.dev_attr.attr,
- &sensor_dev_attr_temp17_label.dev_attr.attr,
- &sensor_dev_attr_temp18_label.dev_attr.attr,
- &sensor_dev_attr_temp19_label.dev_attr.attr,
- &sensor_dev_attr_temp20_label.dev_attr.attr,
- &sensor_dev_attr_temp21_label.dev_attr.attr,
- &sensor_dev_attr_temp22_label.dev_attr.attr,
- &sensor_dev_attr_temp23_label.dev_attr.attr,
- &sensor_dev_attr_temp24_label.dev_attr.attr,
- &sensor_dev_attr_temp25_label.dev_attr.attr,
- &sensor_dev_attr_temp26_label.dev_attr.attr,
- &sensor_dev_attr_temp27_label.dev_attr.attr,
- &sensor_dev_attr_temp28_label.dev_attr.attr,
- &sensor_dev_attr_temp29_label.dev_attr.attr,
- &sensor_dev_attr_temp30_label.dev_attr.attr,
- &sensor_dev_attr_temp31_label.dev_attr.attr,
- &sensor_dev_attr_temp32_label.dev_attr.attr,
- &sensor_dev_attr_temp33_label.dev_attr.attr,
- &sensor_dev_attr_temp34_label.dev_attr.attr,
- &sensor_dev_attr_temp35_label.dev_attr.attr,
- &sensor_dev_attr_temp36_label.dev_attr.attr,
- &sensor_dev_attr_temp37_label.dev_attr.attr,
- &sensor_dev_attr_temp38_label.dev_attr.attr,
- &sensor_dev_attr_temp39_label.dev_attr.attr,
- &sensor_dev_attr_temp40_label.dev_attr.attr,
- NULL
-};
-
-static struct attribute *temperature_attributes[] = {
- &sensor_dev_attr_temp1_input.dev_attr.attr,
- &sensor_dev_attr_temp2_input.dev_attr.attr,
- &sensor_dev_attr_temp3_input.dev_attr.attr,
- &sensor_dev_attr_temp4_input.dev_attr.attr,
- &sensor_dev_attr_temp5_input.dev_attr.attr,
- &sensor_dev_attr_temp6_input.dev_attr.attr,
- &sensor_dev_attr_temp7_input.dev_attr.attr,
- &sensor_dev_attr_temp8_input.dev_attr.attr,
- &sensor_dev_attr_temp9_input.dev_attr.attr,
- &sensor_dev_attr_temp10_input.dev_attr.attr,
- &sensor_dev_attr_temp11_input.dev_attr.attr,
- &sensor_dev_attr_temp12_input.dev_attr.attr,
- &sensor_dev_attr_temp13_input.dev_attr.attr,
- &sensor_dev_attr_temp14_input.dev_attr.attr,
- &sensor_dev_attr_temp15_input.dev_attr.attr,
- &sensor_dev_attr_temp16_input.dev_attr.attr,
- &sensor_dev_attr_temp17_input.dev_attr.attr,
- &sensor_dev_attr_temp18_input.dev_attr.attr,
- &sensor_dev_attr_temp19_input.dev_attr.attr,
- &sensor_dev_attr_temp20_input.dev_attr.attr,
- &sensor_dev_attr_temp21_input.dev_attr.attr,
- &sensor_dev_attr_temp22_input.dev_attr.attr,
- &sensor_dev_attr_temp23_input.dev_attr.attr,
- &sensor_dev_attr_temp24_input.dev_attr.attr,
- &sensor_dev_attr_temp25_input.dev_attr.attr,
- &sensor_dev_attr_temp26_input.dev_attr.attr,
- &sensor_dev_attr_temp27_input.dev_attr.attr,
- &sensor_dev_attr_temp28_input.dev_attr.attr,
- &sensor_dev_attr_temp29_input.dev_attr.attr,
- &sensor_dev_attr_temp30_input.dev_attr.attr,
- &sensor_dev_attr_temp31_input.dev_attr.attr,
- &sensor_dev_attr_temp32_input.dev_attr.attr,
- &sensor_dev_attr_temp33_input.dev_attr.attr,
- &sensor_dev_attr_temp34_input.dev_attr.attr,
- &sensor_dev_attr_temp35_input.dev_attr.attr,
- &sensor_dev_attr_temp36_input.dev_attr.attr,
- &sensor_dev_attr_temp37_input.dev_attr.attr,
- &sensor_dev_attr_temp38_input.dev_attr.attr,
- &sensor_dev_attr_temp39_input.dev_attr.attr,
- &sensor_dev_attr_temp40_input.dev_attr.attr,
- NULL
-};
-
-static const struct attribute_group temperature_attributes_group =
- { .attrs = temperature_attributes };
-
-static const struct attribute_group label_attributes_group = {
- .attrs = label_attributes
+static struct applesmc_node_group temp_group[] = {
+ { "temp%d_label", applesmc_show_sensor_label },
+ { "temp%d_input", applesmc_show_temperature },
+ { }
};
/* Module stuff */
@@ -1427,7 +1116,6 @@ static const struct attribute_group label_attributes_group = {
*/
static int applesmc_dmi_match(const struct dmi_system_id *id)
{
- int i = 0;
struct dmi_match_data* dmi_data = id->driver_data;
pr_info("%s detected:\n", id->ident);
applesmc_accelerometer = dmi_data->accelerometer;
@@ -1437,13 +1125,65 @@ static int applesmc_dmi_match(const struct dmi_system_id *id)
pr_info(" - Model %s light sensors and backlight\n",
applesmc_light ? "with" : "without");
- applesmc_temperature_set = dmi_data->temperature_set;
- while (temperature_sensors_sets[applesmc_temperature_set][i] != NULL)
- i++;
- pr_info(" - Model with %d temperature sensors\n", i);
return 1;
}
+/*
+ * applesmc_destroy_nodes - remove files and free associated memory
+ */
+static void applesmc_destroy_nodes(struct applesmc_node_group *groups)
+{
+ struct applesmc_node_group *grp;
+ struct applesmc_dev_attr *node;
+
+ for (grp = groups; grp->nodes; grp++) {
+ for (node = grp->nodes; node->sda.dev_attr.attr.name; node++)
+ sysfs_remove_file(&pdev->dev.kobj,
+ &node->sda.dev_attr.attr);
+ kfree(grp->nodes);
+ grp->nodes = NULL;
+ }
+}
+
+/*
+ * applesmc_create_nodes - create a two-dimensional group of sysfs files
+ */
+static int applesmc_create_nodes(struct applesmc_node_group *groups, int num)
+{
+ struct applesmc_node_group *grp;
+ struct applesmc_dev_attr *node;
+ struct attribute *attr;
+ int ret, i;
+
+ for (grp = groups; grp->format; grp++) {
+ grp->nodes = kcalloc(num + 1, sizeof(*node), GFP_KERNEL);
+ if (!grp->nodes) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ for (i = 0; i < num; i++) {
+ node = &grp->nodes[i];
+ sprintf(node->name, grp->format, i + 1);
+ node->sda.index = i;
+ node->sda.dev_attr.show = grp->show;
+ node->sda.dev_attr.store = grp->store;
+ attr = &node->sda.dev_attr.attr;
+ attr->name = node->name;
+ attr->mode = S_IRUGO | (grp->store ? S_IWUSR : 0);
+ ret = sysfs_create_file(&pdev->dev.kobj, attr);
+ if (ret) {
+ attr->name = NULL;
+ goto out;
+ }
+ }
+ }
+
+ return 0;
+out:
+ applesmc_destroy_nodes(groups);
+ return ret;
+}
+
/* Create accelerometer ressources */
static int applesmc_create_accelerometer(void)
{
@@ -1668,7 +1408,6 @@ static int __init applesmc_init(void)
{
int ret;
int count;
- int i;
if (!dmi_check_system(applesmc_whitelist)) {
pr_warn("supported laptop not found!\n");
@@ -1727,24 +1466,9 @@ static int __init applesmc_init(void)
fans_handled++;
}
- for (i = 0;
- temperature_sensors_sets[applesmc_temperature_set][i] != NULL;
- i++) {
- if (temperature_attributes[i] == NULL ||
- label_attributes[i] == NULL) {
- pr_err("More temperature sensors in temperature_sensors_sets (at least %i) than available sysfs files in temperature_attributes (%i), please report this bug\n",
- i, i-1);
- goto out_temperature;
- }
- ret = sysfs_create_file(&pdev->dev.kobj,
- temperature_attributes[i]);
- if (ret)
- goto out_temperature;
- ret = sysfs_create_file(&pdev->dev.kobj,
- label_attributes[i]);
- if (ret)
- goto out_temperature;
- }
+ ret = applesmc_create_nodes(temp_group, smcreg.temp_count);
+ if (ret)
+ goto out_fans;
if (applesmc_accelerometer) {
ret = applesmc_create_accelerometer();
@@ -1794,8 +1518,7 @@ out_accelerometer:
if (applesmc_accelerometer)
applesmc_release_accelerometer();
out_temperature:
- sysfs_remove_group(&pdev->dev.kobj, &label_attributes_group);
- sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
+ applesmc_destroy_nodes(temp_group);
out_fans:
while (fans_handled)
sysfs_remove_group(&pdev->dev.kobj,
@@ -1826,8 +1549,7 @@ static void __exit applesmc_exit(void)
}
if (applesmc_accelerometer)
applesmc_release_accelerometer();
- sysfs_remove_group(&pdev->dev.kobj, &label_attributes_group);
- sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
+ applesmc_destroy_nodes(temp_group);
while (fans_handled)
sysfs_remove_group(&pdev->dev.kobj,
&fan_attribute_groups[--fans_handled]);