#include <linux/fb.h>
#include <linux/platform_device.h>
#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
#include <asm/uaccess.h>
#include <linux/dmi.h>
TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */
TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */
+
+ TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */
};
enum fan_status_access_mode {
static enum fan_control_access_mode fan_control_access_mode;
static enum fan_control_commands fan_control_commands;
static u8 fan_control_initial_status;
+static u8 fan_control_desired_level;
static int fan_watchdog_maxinterval;
struct mutex fan_mutex;
static int fan_init(struct ibm_init_struct *iibm);
static void fan_exit(void);
static int fan_get_status(u8 *status);
+static int fan_get_status_safe(u8 *status);
static int fan_get_speed(unsigned int *speed);
+static void fan_update_desired_level(u8 status);
static void fan_watchdog_fire(struct work_struct *ignored);
static void fan_watchdog_reset(void);
static int fan_set_level(int level);
+static int fan_set_level_safe(int level);
static int fan_set_enable(void);
static int fan_set_disable(void);
static int fan_set_speed(int speed);
enum { /* TPACPI_THERMAL_TPEC_* */
TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */
TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */
+ TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */
};
#define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */