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path: root/drivers/thermal/samsung/exynos_tmu.h
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Diffstat (limited to 'drivers/thermal/samsung/exynos_tmu.h')
-rw-r--r--drivers/thermal/samsung/exynos_tmu.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
index 53fa7024090a..ff8844f3b99b 100644
--- a/drivers/thermal/samsung/exynos_tmu.h
+++ b/drivers/thermal/samsung/exynos_tmu.h
@@ -43,6 +43,34 @@ enum soc_type {
};
/**
+ * EXYNOS TMU supported features.
+ * TMU_SUPPORT_EMULATION - This features is used to set user defined
+ * temperature to the TMU controller.
+ * TMU_SUPPORT_MULTI_INST - This features denotes that the soc
+ * has many instances of TMU.
+ * TMU_SUPPORT_TRIM_RELOAD - This features shows that trimming can
+ * be reloaded.
+ * TMU_SUPPORT_FALLING_TRIP - This features shows that interrupt can
+ * be registered for falling trips also.
+ * TMU_SUPPORT_READY_STATUS - This feature tells that the TMU current
+ * state(active/idle) can be checked.
+ * TMU_SUPPORT_EMUL_TIME - This features allows to set next temp emulation
+ * sample time.
+ * TMU_SUPPORT_SHARED_MEMORY - This feature tells that the different TMU
+ * sensors shares some common registers.
+ * TMU_SUPPORT - macro to compare the above features with the supplied.
+ */
+#define TMU_SUPPORT_EMULATION BIT(0)
+#define TMU_SUPPORT_MULTI_INST BIT(1)
+#define TMU_SUPPORT_TRIM_RELOAD BIT(2)
+#define TMU_SUPPORT_FALLING_TRIP BIT(3)
+#define TMU_SUPPORT_READY_STATUS BIT(4)
+#define TMU_SUPPORT_EMUL_TIME BIT(5)
+#define TMU_SUPPORT_SHARED_MEMORY BIT(6)
+
+#define TMU_SUPPORTS(a, b) (a->features & TMU_SUPPORT_ ## b)
+
+/**
* struct exynos_tmu_register - register descriptors to access registers and
* bitfields. The register validity, offsets and bitfield values may vary
* slightly across different exynos SOC's.
@@ -222,6 +250,8 @@ struct exynos_tmu_registers {
* applicable to only some of the trigger levels.
* @registers: Pointer to structure containing all the TMU controller registers
* and bitfields shifts and masks.
+ * @features: a bitfield value indicating the features supported in SOC like
+ * emulation, multi instance etc
*
* This structure is required for configuration of exynos_tmu driver.
*/
@@ -249,6 +279,7 @@ struct exynos_tmu_platform_data {
struct freq_clip_table freq_tab[4];
unsigned int freq_tab_count;
const struct exynos_tmu_registers *registers;
+ unsigned int features;
};
/**