tegra: therm_est: support multiple sets of coefficients

Edit original commit to use 'thermal_zone_of_device_ops'.

enable multlple sets of coefficients.

Bug 1582735

(cherry-picked from commit If0c31037fdf1d8004c9ee241e0387ceef1bb022f)
Signed-off-by: Hyungwoo Yang <hyungwooy@nvidia.com>
Reviewed-on: http://git-master/r/655573

Change-Id: If8ec11e80238f70227d473891076a04a8cd1301d
Signed-off-by: Srikar Srimath Tirumala <srikars@nvidia.com>

1 files changed, 17 insertions, 7 deletions

diff --git a/include/linux/therm_est.h b/include/linux/therm_est.h
index 9630bd046..a67739483 100644
--- a/include/linux/therm_est.h
+++ b/include/linux/therm_est.h
@@ -26,13 +26,25 @@
 #define MAX_ACTIVE_STATES       10
 #define MAX_TIMER_TRIPS         10
 
-struct therm_est_subdevice {
-        void *dev_data;
-        struct thermal_zone_device *sub_thz;
-        long coeffs[HIST_LEN];
+struct therm_est_sub_thz {
+        struct thermal_zone_device *thz;
         long hist[HIST_LEN];
 };
 
+struct therm_est_coeffs {
+        long toffset;
+        long (*coeffs)[HIST_LEN];
+};
+
+struct therm_est_subdevice {
+        struct therm_est_sub_thz *sub_thz;
+        struct therm_est_coeffs *coeffs_set;
+        int num_devs;
+        int num_coeffs;
+        int active_coeffs;
+        int ntemp;
+};
+
 /*
  * Timer trip provides a way to change trip temp dynamically based on timestamp
  * when the trip is enabled.
@@ -74,13 +86,11 @@ struct therm_est_data {
 
         /* zone parameters */
         struct thermal_zone_params *tzp;
-        long toffset;
         long polling_period;
         int passive_delay;
         int tc1;
         int tc2;
-        int ndevs;
-        struct therm_est_subdevice *devs;
+        struct therm_est_subdevice subdevice;
         int use_activator;
 };