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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/thermal/ti-soc-thermal/ti-thermal.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/thermal/ti-soc-thermal/ti-thermal.h')
-rw-r--r--drivers/thermal/ti-soc-thermal/ti-thermal.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal.h b/drivers/thermal/ti-soc-thermal/ti-thermal.h
new file mode 100644
index 000000000..c388ecf31
--- /dev/null
+++ b/drivers/thermal/ti-soc-thermal/ti-thermal.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * OMAP thermal definitions
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ * Contact:
+ * Eduardo Valentin <eduardo.valentin@ti.com>
+ */
+#ifndef __TI_THERMAL_H
+#define __TI_THERMAL_H
+
+#include "ti-bandgap.h"
+
+/* PCB sensor calculation constants */
+#define OMAP_GRADIENT_SLOPE_W_PCB_4430 0
+#define OMAP_GRADIENT_CONST_W_PCB_4430 20000
+#define OMAP_GRADIENT_SLOPE_W_PCB_4460 1142
+#define OMAP_GRADIENT_CONST_W_PCB_4460 -393
+#define OMAP_GRADIENT_SLOPE_W_PCB_4470 1063
+#define OMAP_GRADIENT_CONST_W_PCB_4470 -477
+
+#define OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU 100
+#define OMAP_GRADIENT_CONST_W_PCB_5430_CPU 484
+#define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU 464
+#define OMAP_GRADIENT_CONST_W_PCB_5430_GPU -5102
+
+#define DRA752_GRADIENT_SLOPE_W_PCB 0
+#define DRA752_GRADIENT_CONST_W_PCB 2000
+
+/* trip points of interest in milicelsius (at hotspot level) */
+#define OMAP_TRIP_COLD 100000
+#define OMAP_TRIP_HOT 110000
+#define OMAP_TRIP_SHUTDOWN 125000
+#define OMAP_TRIP_NUMBER 2
+#define OMAP_TRIP_STEP \
+ ((OMAP_TRIP_SHUTDOWN - OMAP_TRIP_HOT) / (OMAP_TRIP_NUMBER - 1))
+
+/* Update rates */
+#define FAST_TEMP_MONITORING_RATE 250
+
+/* helper macros */
+/**
+ * ti_thermal_get_trip_value - returns trip temperature based on index
+ * @i: trip index
+ */
+#define ti_thermal_get_trip_value(i) \
+ (OMAP_TRIP_HOT + ((i) * OMAP_TRIP_STEP))
+
+/**
+ * ti_thermal_is_valid_trip - check for trip index
+ * @i: trip index
+ */
+#define ti_thermal_is_valid_trip(trip) \
+ ((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER)
+
+#ifdef CONFIG_TI_THERMAL
+int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain);
+int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id);
+int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id);
+int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id);
+int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id);
+#else
+static inline
+int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain)
+{
+ return 0;
+}
+
+static inline
+int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id)
+{
+ return 0;
+}
+
+static inline
+int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id)
+{
+ return 0;
+}
+
+static inline
+int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id)
+{
+ return 0;
+}
+
+static inline
+int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)
+{
+ return 0;
+}
+#endif
+#endif