diff options
| -rw-r--r-- | drivers/macintosh/therm_adt746x.c | 119 |
1 files changed, 77 insertions, 42 deletions
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index c7e84ab..d09308f 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -39,15 +39,16 @@ #define MANUAL_MASK 0xe0 #define AUTO_MASK 0x20 -static u8 TEMP_REG[3] = {0x26, 0x25, 0x27}; /* local, cpu, gpu */ -static u8 LIMIT_REG[3] = {0x6b, 0x6a, 0x6c}; /* local, cpu, gpu */ +static u8 TEMP_REG[3] = {0x26, 0x25, 0x27}; /* local, sensor1, sensor2 */ +static u8 LIMIT_REG[3] = {0x6b, 0x6a, 0x6c}; /* local, sensor1, sensor2 */ static u8 MANUAL_MODE[2] = {0x5c, 0x5d}; static u8 REM_CONTROL[2] = {0x00, 0x40}; static u8 FAN_SPEED[2] = {0x28, 0x2a}; static u8 FAN_SPD_SET[2] = {0x30, 0x31}; -static u8 default_limits_local[3] = {70, 50, 70}; /* local, cpu, gpu */ -static u8 default_limits_chip[3] = {80, 65, 80}; /* local, cpu, gpu */ +static u8 default_limits_local[3] = {70, 50, 70}; /* local, sensor1, sensor2 */ +static u8 default_limits_chip[3] = {80, 65, 80}; /* local, sensor1, sensor2 */ +static char *sensor_location[3] = {NULL, NULL, NULL}; static int limit_adjust = 0; static int fan_speed = -1; @@ -58,7 +59,7 @@ MODULE_DESCRIPTION("Driver for ADT746x thermostat in iBook G4 and " MODULE_LICENSE("GPL"); module_param(limit_adjust, int, 0644); -MODULE_PARM_DESC(limit_adjust,"Adjust maximum temperatures (50 cpu, 70 gpu) " +MODULE_PARM_DESC(limit_adjust,"Adjust maximum temperatures (50 sensor1, 70 sensor2) " "by N degrees."); module_param(fan_speed, int, 0644); @@ -213,10 +214,10 @@ static void write_fan_speed(struct thermostat *th, int speed, int fan) if (th->last_speed[fan] != speed) { if (speed == -1) printk(KERN_DEBUG "adt746x: Setting speed to automatic " - "for %s fan.\n", fan?"GPU":"CPU"); + "for %s fan.\n", sensor_location[fan+1]); else printk(KERN_DEBUG "adt746x: Setting speed to %d " - "for %s fan.\n", speed, fan?"GPU":"CPU"); + "for %s fan.\n", speed, sensor_location[fan+1]); } else return; @@ -300,11 +301,11 @@ static void update_fans_speed (struct thermostat *th) printk(KERN_DEBUG "adt746x: setting fans speed to %d " "(limit exceeded by %d on %s) \n", new_speed, var, - fan_number?"GPU/pwr":"CPU"); + sensor_location[fan_number+1]); write_both_fan_speed(th, new_speed); th->last_var[fan_number] = var; } else if (var < -2) { - /* don't stop fan if GPU/power is cold and CPU is not + /* don't stop fan if sensor2 is cold and sensor1 is not * so cold (lastvar >= -1) */ if (i == 2 && lastvar < -1) { if (th->last_speed[fan_number] != 0) @@ -318,7 +319,7 @@ static void update_fans_speed (struct thermostat *th) if (started) return; /* we don't want to re-stop the fan - * if CPU is heating and GPU/power is not */ + * if sensor1 is heating and sensor2 is not */ } } @@ -353,7 +354,7 @@ static int monitor_task(void *arg) static void set_limit(struct thermostat *th, int i) { - /* Set CPU limit higher to avoid powerdowns */ + /* Set sensor1 limit higher to avoid powerdowns */ th->limits[i] = default_limits_chip[i] + limit_adjust; write_reg(th, LIMIT_REG[i], th->limits[i]); @@ -461,6 +462,12 @@ static ssize_t show_##name(struct device *dev, char *buf) \ return sprintf(buf, "%d\n", data); \ } +#define BUILD_SHOW_FUNC_STR(name, data) \ +static ssize_t show_##name(struct device *dev, char *buf) \ +{ \ + return sprintf(buf, "%s\n", data); \ +} + #define BUILD_SHOW_FUNC_FAN(name, data) \ static ssize_t show_##name(struct device *dev, char *buf) \ { \ @@ -476,7 +483,7 @@ static ssize_t store_##name(struct device *dev, const char *buf, size_t n) \ int val; \ int i; \ val = simple_strtol(buf, NULL, 10); \ - printk(KERN_INFO "Adjusting limits by %d°C\n", val); \ + printk(KERN_INFO "Adjusting limits by %d degrees\n", val); \ limit_adjust = val; \ for (i=0; i < 3; i++) \ set_limit(thermostat, i); \ @@ -495,35 +502,41 @@ static ssize_t store_##name(struct device *dev, const char *buf, size_t n) \ return n; \ } -BUILD_SHOW_FUNC_INT(cpu_temperature, (read_reg(thermostat, TEMP_REG[1]))) -BUILD_SHOW_FUNC_INT(gpu_temperature, (read_reg(thermostat, TEMP_REG[2]))) -BUILD_SHOW_FUNC_INT(cpu_limit, thermostat->limits[1]) -BUILD_SHOW_FUNC_INT(gpu_limit, thermostat->limits[2]) +BUILD_SHOW_FUNC_INT(sensor1_temperature, (read_reg(thermostat, TEMP_REG[1]))) +BUILD_SHOW_FUNC_INT(sensor2_temperature, (read_reg(thermostat, TEMP_REG[2]))) +BUILD_SHOW_FUNC_INT(sensor1_limit, thermostat->limits[1]) +BUILD_SHOW_FUNC_INT(sensor2_limit, thermostat->limits[2]) +BUILD_SHOW_FUNC_STR(sensor1_location, sensor_location[1]) +BUILD_SHOW_FUNC_STR(sensor2_location, sensor_location[2]) BUILD_SHOW_FUNC_INT(specified_fan_speed, fan_speed) -BUILD_SHOW_FUNC_FAN(cpu_fan_speed, 0) -BUILD_SHOW_FUNC_FAN(gpu_fan_speed, 1) +BUILD_SHOW_FUNC_FAN(sensor1_fan_speed, 0) +BUILD_SHOW_FUNC_FAN(sensor2_fan_speed, 1) BUILD_STORE_FUNC_INT(specified_fan_speed,fan_speed) BUILD_SHOW_FUNC_INT(limit_adjust, limit_adjust) BUILD_STORE_FUNC_DEG(limit_adjust, thermostat) -static DEVICE_ATTR(cpu_temperature, S_IRUGO, - show_cpu_temperature,NULL); -static DEVICE_ATTR(gpu_temperature, S_IRUGO, - show_gpu_temperature,NULL); -static DEVICE_ATTR(cpu_limit, S_IRUGO, - show_cpu_limit, NULL); -static DEVICE_ATTR(gpu_limit, S_IRUGO, - show_gpu_limit, NULL); +static DEVICE_ATTR(sensor1_temperature, S_IRUGO, + show_sensor1_temperature,NULL); +static DEVICE_ATTR(sensor2_temperature, S_IRUGO, + show_sensor2_temperature,NULL); +static DEVICE_ATTR(sensor1_limit, S_IRUGO, + show_sensor1_limit, NULL); +static DEVICE_ATTR(sensor2_limit, S_IRUGO, + show_sensor2_limit, NULL); +static DEVICE_ATTR(sensor1_location, S_IRUGO, + show_sensor1_location, NULL); +static DEVICE_ATTR(sensor2_location, S_IRUGO, + show_sensor2_location, NULL); static DEVICE_ATTR(specified_fan_speed, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, show_specified_fan_speed,store_specified_fan_speed); -static DEVICE_ATTR(cpu_fan_speed, S_IRUGO, - show_cpu_fan_speed, NULL); -static DEVICE_ATTR(gpu_fan_speed, S_IRUGO, - show_gpu_fan_speed, NULL); +static DEVICE_ATTR(sensor1_fan_speed, S_IRUGO, + show_sensor1_fan_speed, NULL); +static DEVICE_ATTR(sensor2_fan_speed, S_IRUGO, + show_sensor2_fan_speed, NULL); static DEVICE_ATTR(limit_adjust, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, show_limit_adjust, store_limit_adjust); @@ -534,6 +547,7 @@ thermostat_init(void) { struct device_node* np; u32 *prop; + int i = 0, offset = 0; np = of_find_node_by_name(NULL, "fan"); if (!np) @@ -569,6 +583,23 @@ thermostat_init(void) "limit_adjust: %d, fan_speed: %d\n", therm_bus, therm_address, limit_adjust, fan_speed); + if (get_property(np, "hwsensor-location", NULL)) { + for (i = 0; i < 3; i++) { + sensor_location[i] = get_property(np, + "hwsensor-location", NULL) + offset; + + if (sensor_location[i] == NULL) + sensor_location[i] = ""; + + printk(KERN_INFO "sensor %d: %s\n", i, sensor_location[i]); + offset += strlen(sensor_location[i]) + 1; + } + } else { + sensor_location[0] = "?"; + sensor_location[1] = "?"; + sensor_location[2] = "?"; + } + of_dev = of_platform_device_create(np, "temperatures"); if (of_dev == NULL) { @@ -576,15 +607,17 @@ thermostat_init(void) return -ENODEV; } - device_create_file(&of_dev->dev, &dev_attr_cpu_temperature); - device_create_file(&of_dev->dev, &dev_attr_gpu_temperature); - device_create_file(&of_dev->dev, &dev_attr_cpu_limit); - device_create_file(&of_dev->dev, &dev_attr_gpu_limit); + device_create_file(&of_dev->dev, &dev_attr_sensor1_temperature); + device_create_file(&of_dev->dev, &dev_attr_sensor2_temperature); + device_create_file(&of_dev->dev, &dev_attr_sensor1_limit); + device_create_file(&of_dev->dev, &dev_attr_sensor2_limit); + device_create_file(&of_dev->dev, &dev_attr_sensor1_location); + device_create_file(&of_dev->dev, &dev_attr_sensor2_location); device_create_file(&of_dev->dev, &dev_attr_limit_adjust); device_create_file(&of_dev->dev, &dev_attr_specified_fan_speed); - device_create_file(&of_dev->dev, &dev_attr_cpu_fan_speed); + device_create_file(&of_dev->dev, &dev_attr_sensor1_fan_speed); if(therm_type == ADT7460) - device_create_file(&of_dev->dev, &dev_attr_gpu_fan_speed); + device_create_file(&of_dev->dev, &dev_attr_sensor2_fan_speed); #ifndef CONFIG_I2C_KEYWEST request_module("i2c-keywest"); @@ -597,17 +630,19 @@ static void __exit thermostat_exit(void) { if (of_dev) { - device_remove_file(&of_dev->dev, &dev_attr_cpu_temperature); - device_remove_file(&of_dev->dev, &dev_attr_gpu_temperature); - device_remove_file(&of_dev->dev, &dev_attr_cpu_limit); - device_remove_file(&of_dev->dev, &dev_attr_gpu_limit); + device_remove_file(&of_dev->dev, &dev_attr_sensor1_temperature); + device_remove_file(&of_dev->dev, &dev_attr_sensor2_temperature); + device_remove_file(&of_dev->dev, &dev_attr_sensor1_limit); + device_remove_file(&of_dev->dev, &dev_attr_sensor2_limit); + device_remove_file(&of_dev->dev, &dev_attr_sensor1_location); + device_remove_file(&of_dev->dev, &dev_attr_sensor2_location); device_remove_file(&of_dev->dev, &dev_attr_limit_adjust); device_remove_file(&of_dev->dev, &dev_attr_specified_fan_speed); - device_remove_file(&of_dev->dev, &dev_attr_cpu_fan_speed); + device_remove_file(&of_dev->dev, &dev_attr_sensor1_fan_speed); if(therm_type == ADT7460) device_remove_file(&of_dev->dev, - &dev_attr_gpu_fan_speed); + &dev_attr_sensor2_fan_speed); of_device_unregister(of_dev); } |
