1 files changed, 31 insertions, 2 deletions

diff --git a/drivers/macintosh/therm_pm72.h b/drivers/macintosh/therm_pm72.h
index fc7e9b7ecaf2..393cc9df94e1 100644
--- a/drivers/macintosh/therm_pm72.h
+++ b/drivers/macintosh/therm_pm72.h
@@ -105,6 +105,7 @@ static char * critical_overtemp_path = "/sbin/critical_overtemp";
 #define DRIVES_DALLAS_ID        0x94
 #define BACKSIDE_MAX_ID         0x98
 #define XSERVE_DIMMS_LM87       0x25a
+#define XSERVE_SLOTS_LM75       0x290
 
 /*
  * Some MAX6690, DS1775, LM87 register definitions
@@ -198,7 +199,7 @@ struct drives_pid_state
 
 #define SLOTS_FAN_PWM_DEFAULT_ID        2
 #define SLOTS_FAN_PWM_INDEX             2
-#define SLOTS_FAN_DEFAULT_PWM           50 /* Do better here ! */
+#define SLOTS_FAN_DEFAULT_PWM           40 /* Do better here ! */
 
 
 /*
@@ -206,7 +207,7 @@ struct drives_pid_state
  */
 #define DIMM_PID_G_d                    0
 #define DIMM_PID_G_p                    0
-#define DIMM_PID_G_r                    0x6553600
+#define DIMM_PID_G_r                    0x06553600
 #define DIMM_PID_INPUT_TARGET           3276800
 #define DIMM_PID_INTERVAL               1
 #define DIMM_PID_OUTPUT_MAX             14000
@@ -226,6 +227,31 @@ struct dimm_pid_state
 };
 
 
+/*
+ * PID factors for the Xserve Slots control loop
+ */
+#define SLOTS_PID_G_d                   0
+#define SLOTS_PID_G_p                   0
+#define SLOTS_PID_G_r                   0x00100000
+#define SLOTS_PID_INPUT_TARGET          3200000
+#define SLOTS_PID_INTERVAL              1
+#define SLOTS_PID_OUTPUT_MAX            100
+#define SLOTS_PID_OUTPUT_MIN            20
+#define SLOTS_PID_HISTORY_SIZE          20
+
+struct slots_pid_state
+{
+        int                     ticks;
+        struct i2c_client *     monitor;
+        s32                     sample_history[SLOTS_PID_HISTORY_SIZE];
+        s32                     error_history[SLOTS_PID_HISTORY_SIZE];
+        int                     cur_sample;
+        s32                     last_temp;
+        int                     first;
+        int                     pwm;
+};
+
+
 
 /* Desktops */
 
@@ -283,6 +309,9 @@ struct cpu_pid_state
         s32                     pump_max;
 };
 
+/* Tickle FCU every 10 seconds */
+#define FCU_TICKLE_TICKS        10
+
 /*
  * Driver state
  */