arm: tegra: power: Tegra Thermal refactoring

Refactored Thermal module so that thermal device
drivers themselves are agnostic of the thermal
framework.  Also separated throttle limit constraints
from EDP table.

Reviewed-on: http://git-master/r/57990
Reviewed-on: http://git-master/r/63338

Cherry-picked from 8d0610bdd03c3490b718f11bc2108f45cd868533.

Change-Id: I4f87889c9cdc88daac1e6173043bab1f2e7cebfd
Signed-off-by: Joshua Primero <jprimero@nvidia.com>
Reviewed-on: http://git-master/r/66551
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>

1 files changed, 60 insertions, 1 deletions

diff --git a/arch/arm/mach-tegra/board-enterprise-sensors.c b/arch/arm/mach-tegra/board-enterprise-sensors.c
index 3ab93348571a..a0583e906b0f 100644
--- a/arch/arm/mach-tegra/board-enterprise-sensors.c
+++ b/arch/arm/mach-tegra/board-enterprise-sensors.c
@@ -34,20 +34,76 @@
 #include <linux/i2c.h>
 #include <linux/delay.h>
 #include <linux/i2c/pca954x.h>
+#include <linux/nct1008.h>
 #include <linux/err.h>
 #include <linux/mpu.h>
-#include <linux/nct1008.h>
 #include <linux/regulator/consumer.h>
+#include <linux/slab.h>
 #include <mach/gpio.h>
 #include <media/ar0832_main.h>
 #include <media/tps61050.h>
 #include <media/ov9726.h>
 #include <mach/edp.h>
+#include <mach/thermal.h>
 #include "cpu-tegra.h"
 #include "gpio-names.h"
 #include "board-enterprise.h"
 #include "board.h"
 
+#ifndef CONFIG_TEGRA_INTERNAL_TSENSOR_EDP_SUPPORT
+static int nct_get_temp(void *_data, long *temp)
+{
+	struct nct1008_data *data = _data;
+	return nct1008_thermal_get_temp(data, temp);
+}
+
+static int nct_set_limits(void *_data,
+			long lo_limit_milli,
+			long hi_limit_milli)
+{
+	struct nct1008_data *data = _data;
+	return nct1008_thermal_set_limits(data,
+					lo_limit_milli,
+					hi_limit_milli);
+}
+
+static int nct_set_alert(void *_data,
+				void (*alert_func)(void *),
+				void *alert_data)
+{
+	struct nct1008_data *data = _data;
+	return nct1008_thermal_set_alert(data, alert_func, alert_data);
+}
+
+static int nct_set_shutdown_temp(void *_data, long shutdown_temp)
+{
+	struct nct1008_data *data = _data;
+	return nct1008_thermal_set_shutdown_temp(data,
+						shutdown_temp);
+}
+
+static void nct1008_probe_callback(struct nct1008_data *data)
+{
+	struct tegra_thermal_device *thermal_device;
+
+	thermal_device = kzalloc(sizeof(struct tegra_thermal_device),
+					GFP_KERNEL);
+	if (!thermal_device) {
+		pr_err("unable to allocate thermal device\n");
+		return;
+	}
+
+	thermal_device->data = data;
+	thermal_device->offset = TDIODE_OFFSET;
+	thermal_device->get_temp = nct_get_temp;
+	thermal_device->set_limits = nct_set_limits;
+	thermal_device->set_alert = nct_set_alert;
+	thermal_device->set_shutdown_temp = nct_set_shutdown_temp;
+
+	tegra_thermal_set_device(thermal_device);
+}
+#endif
+
 static struct nct1008_platform_data enterprise_nct1008_pdata = {
 	.supported_hwrev = true,
 	.ext_range = true,
@@ -58,6 +114,9 @@ static struct nct1008_platform_data enterprise_nct1008_pdata = {
 	.shutdown_local_limit = 90,
 	.throttling_ext_limit = 85,
 	.alarm_fn = tegra_throttling_enable,
+#ifndef CONFIG_TEGRA_INTERNAL_TSENSOR_EDP_SUPPORT
+	.probe_callback = nct1008_probe_callback,
+#endif
 };
 
 static struct i2c_board_info enterprise_i2c4_nct1008_board_info[] = {