U5500: PRCMU MBOX4 support for Hotdog and hotmon

PRCMU driver interface for thermal management
of DB5500. MBOX4 supports to
 - configure hotmon period
 - configure hotdog ranges
 - read current temperature

ST-Ericsson Linux next: -
ST-Ericsson ID: 334775
ST-Ericsson FOSS-OUT ID: Trivial

Change-Id: If25acd1d500800053bd6c511a64c9e5726c69647
Signed-off-by: Vijaya Kumar Kilari <vijay.kilari@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/28334
Reviewed-by: QABUILD
Reviewed-by: QATEST
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32788
Tested-by: Venkata Biswanath DEVARASETTY <venkata.biswanath@stericsson.com>
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>

3 files changed, 89 insertions, 8 deletions

diff --git a/include/linux/mfd/db5500-prcmu.h b/include/linux/mfd/db5500-prcmu.h
index b70811dc563..ffbd415e6c7 100644
--- a/include/linux/mfd/db5500-prcmu.h
+++ b/include/linux/mfd/db5500-prcmu.h
@@ -49,6 +49,11 @@ static inline int prcmu_set_clock_rate(u8 clock, unsigned long rate)
 {
 	return 0;
 }
+int db5500_prcmu_get_hotdog(void);
+int db5500_prcmu_config_hotdog(u8 threshold);
+int db5500_prcmu_config_hotmon(u8 low, u8 high);
+int db5500_prcmu_start_temp_sense(u16 cycles32k);
+int db5500_prcmu_stop_temp_sense(void);
 #else /* !CONFIG_UX500_SOC_DB5500 */
 
 static inline void db5500_prcmu_early_init(void) {}
@@ -166,6 +171,29 @@ static inline int db5500_prcmu_get_ddr_opp(void)
 	return 0;
 }
 
+static inline int db5500_prcmu_get_hotdog(void)
+{
+	return -ENOSYS;
+}
+static inline int db5500_prcmu_config_hotdog(u8 threshold)
+{
+	return 0;
+}
+
+static inline int db5500_prcmu_config_hotmon(u8 low, u8 high)
+{
+	return 0;
+}
+
+static inline int db5500_prcmu_start_temp_sense(u16 cycles32k)
+{
+	return 0;
+}
+static inline int db5500_prcmu_stop_temp_sense(void)
+{
+	return 0;
+}
+
 #endif /* CONFIG_MFD_DB5500_PRCMU */
 
 #endif /* __MFD_DB5500_PRCMU_H */
diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h
index 1b92aabf0bc..06623d44948 100644
--- a/include/linux/mfd/db8500-prcmu.h
+++ b/include/linux/mfd/db8500-prcmu.h
@@ -510,10 +510,10 @@ void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
 bool prcmu_is_auto_pm_enabled(void);
 
 
-int prcmu_config_hotdog(u8 threshold);
-int prcmu_config_hotmon(u8 low, u8 high);
-int prcmu_start_temp_sense(u16 cycles32k);
-int prcmu_stop_temp_sense(void);
+int db8500_prcmu_config_hotdog(u8 threshold);
+int db8500_prcmu_config_hotmon(u8 low, u8 high);
+int db8500_prcmu_start_temp_sense(u16 cycles32k);
+int db8500_prcmu_stop_temp_sense(void);
 int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
 int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
 
@@ -622,22 +622,22 @@ static inline bool prcmu_is_auto_pm_enabled(void)
 	return false;
 }
 
-static inline int prcmu_config_hotdog(u8 threshold)
+static inline int db8500_prcmu_config_hotdog(u8 threshold)
 {
 	return 0;
 }
 
-static inline int prcmu_config_hotmon(u8 low, u8 high)
+static inline int db8500_prcmu_config_hotmon(u8 low, u8 high)
 {
 	return 0;
 }
 
-static inline int prcmu_start_temp_sense(u16 cycles32k)
+static inline int db8500_prcmu_start_temp_sense(u16 cycles32k)
 {
 	return 0;
 }
 
-static inline int prcmu_stop_temp_sense(void)
+static inline int db8500_prcmu_stop_temp_sense(void)
 {
 	return 0;
 }
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 73d6a52d731..4cbd6a8aeed 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -425,6 +425,39 @@ static inline int prcmu_config_esram0_deep_sleep(u8 state)
 	else
 		return db8500_prcmu_config_esram0_deep_sleep(state);
 }
+
+static inline int prcmu_config_hotdog(u8 threshold)
+{
+	if (cpu_is_u5500())
+		return db5500_prcmu_config_hotdog(threshold);
+	else
+		return db8500_prcmu_config_hotdog(threshold);
+}
+
+static inline int prcmu_config_hotmon(u8 low, u8 high)
+{
+	if (cpu_is_u5500())
+		return db5500_prcmu_config_hotmon(low, high);
+	else
+		return db8500_prcmu_config_hotmon(low, high);
+}
+
+static inline int prcmu_start_temp_sense(u16 cycles32k)
+{
+	if (cpu_is_u5500())
+		return  db5500_prcmu_start_temp_sense(cycles32k);
+	else
+		return  db8500_prcmu_start_temp_sense(cycles32k);
+}
+
+static inline int prcmu_stop_temp_sense(void)
+{
+	if (cpu_is_u5500())
+		return  db5500_prcmu_stop_temp_sense();
+	else
+		return  db8500_prcmu_stop_temp_sense();
+}
+
 #else
 
 static inline void __init prcmu_early_init(void) {}
@@ -554,6 +587,26 @@ static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
 	*buf = NULL;
 }
 
+static inline int prcmu_config_hotdog(u8 threshold)
+{
+	return 0;
+}
+
+static inline int prcmu_config_hotmon(u8 low, u8 high)
+{
+	return 0;
+}
+
+static inline int prcmu_start_temp_sense(u16 cycles32k)
+{
+	return 0;
+}
+
+static inline int prcmu_stop_temp_sense(void)
+{
+	return 0;
+}
+
 #endif
 
 /* PRCMU QoS APE OPP class */