target: add api to get battery info

Add api to get battery's voltage and add safeguards such as refusing to flash if minimum battery levels are not present or be bypass if the device doesn't have a battery Change-Id: Ie9fc45cd2d3a5f588acedef4fd9b0ffdcb2eae24
multirom-nexus6p · Nov 5, 2015 · 0e05d81 · 0e05d81
1 parent dbe82f8
commit 0e05d81
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Showing 13 changed files with 148 additions and 1 deletion.
diff --git a/include/target.h b/include/target.h
@@ -91,4 +91,8 @@ bool target_build_variant_user();
 uint32_t get_vibration_type();
 #endif
 
+uint32_t target_get_battery_voltage();
+bool target_battery_soc_ok();
+bool target_battery_is_present();
+uint32_t target_get_pmic();
 #endif
diff --git a/platform/msm_shared/smem.h b/platform/msm_shared/smem.h
@@ -136,6 +136,12 @@ typedef enum
 	PMIC_IS_PM8019    = 3,
 	PMIC_IS_PM8026    = 4,
 	PMIC_IS_PM8110    = 5,
+	PMIC_IS_PM8916    = 11,
+	PMIC_IS_PM8909    = 13,
+	PMIC_IS_PMI8950   = 17,
+	PMIC_IS_PMI8994   = 10,
+	PMIC_IS_PMI8996   = 19,
+
 } pm_model_type_bfly;
 
 struct smem_board_info_v3 {

diff --git a/target/init.c b/target/init.c
@@ -29,13 +29,25 @@
 #include <dload_util.h>
 #include <sdhci_msm.h>
 #if PON_VIB_SUPPORT
-#include <smem.h>
 #include <vibrator.h>
 #include <board.h>
 #endif
 
+#include <smem.h>
+#include <pm8x41_adc.h>
+#include <pm8x41_hw.h>
+
+#if CHECK_BAT_VOLTAGE
+#include <pm_fg_adc_usr.h>
+#endif
+
 #define EXPAND(NAME) #NAME
 #define TARGET(NAME) EXPAND(NAME)
+
+#define BATTERY_MIN_VOLTAGE		3600000  //uv
+#define PMIC_SLAVE_ID                   0x20000
+#define BAT_IF_BAT_PRES_STATUS		0x1208
+
 /*
  * default implementations of these routines, if the target code
  * chooses not to implement.
@@ -268,3 +280,91 @@ __WEAK bool target_build_variant_user()
 	return false;
 #endif
 }
+
+__WEAK uint32_t target_get_pmic()
+{
+	return PMIC_IS_UNKNOWN;
+}
+
+/* Check battery if it's exist */
+bool target_battery_is_present()
+{
+	bool batt_is_exist;
+	uint8_t value = 0;
+	uint32_t pmic;
+
+	pmic = target_get_pmic();
+
+	switch(pmic)
+	{
+		case PMIC_IS_PM8909:
+		case PMIC_IS_PM8916:
+		case PMIC_IS_PM8941:
+			value = REG_READ(BAT_IF_BAT_PRES_STATUS);
+			break;
+		case PMIC_IS_PMI8950:
+		case PMIC_IS_PMI8994:
+		case PMIC_IS_PMI8996:
+			value = REG_READ(PMIC_SLAVE_ID|
+			BAT_IF_BAT_PRES_STATUS);
+			break;
+		default:
+			dprintf(CRITICAL, "ERROR: Couldn't get the pmic type\n");
+			break;
+	}
+
+	batt_is_exist = value >> 7;
+
+	return batt_is_exist;
+
+}
+
+#if CHECK_BAT_VOLTAGE
+/* Return battery voltage */
+uint32_t target_get_battery_voltage()
+{
+	uint32_t pmic;
+	uint32_t vbat = 0;
+
+	pmic = target_get_pmic();
+
+	switch(pmic)
+	{
+		case PMIC_IS_PM8909:
+		case PMIC_IS_PM8916:
+		case PMIC_IS_PM8941:
+			vbat = pm8x41_get_batt_voltage(); //uv
+			break;
+		case PMIC_IS_PMI8950:
+		case PMIC_IS_PMI8994:
+		case PMIC_IS_PMI8996:
+			if (!pm_fg_usr_get_vbat(1, &vbat)) {
+				vbat = vbat*1000; //uv
+			} else {
+				dprintf(CRITICAL, "ERROR: Get battery voltage failed!!!\n");
+			}
+			break;
+		default:
+			dprintf(CRITICAL, "ERROR: Couldn't get the pmic type\n");
+			break;
+	}
+
+	return vbat;
+}
+
+/* Add safeguards such as refusing to flash if minimum battery levels
+ * are not present or be bypass if the device doesn't have a battery
+ */
+bool target_battery_soc_ok()
+{
+	if (!target_battery_is_present()) {
+		dprintf(INFO, "battery is not present\n");
+		return true;
+	}
+
+	if (target_get_battery_voltage() >= BATTERY_MIN_VOLTAGE)
+		return true;
+
+	return false;
+}
+#endif
diff --git a/target/msm8909/init.c b/target/msm8909/init.c
@@ -49,6 +49,7 @@
 #include <gpio.h>
 #include <rpm-smd.h>
 #include <qpic_nand.h>
+#include <smem.h>
 
 #if LONG_PRESS_POWER_ON
 #include <shutdown_detect.h>
@@ -690,3 +691,8 @@ uint32_t target_get_hlos_subtype()
 {
 	return board_hlos_subtype();
 }
+
+uint32_t target_get_pmic()
+{
+	return PMIC_IS_PM8909;
+}
diff --git a/target/msm8909/rules.mk b/target/msm8909/rules.mk
@@ -22,6 +22,7 @@ MODULES += \
 	lib/ptable \
 	dev/gcdb/display \
 	dev/pmic/pm8x41 \
+	dev/pmic/pmi8994 \
 	lib/libfdt
 
 DEFINES += \

diff --git a/target/msm8916/init.c b/target/msm8916/init.c
@@ -48,6 +48,7 @@
 #include <crypto5_wrapper.h>
 #include <partition_parser.h>
 #include <stdlib.h>
+#include <smem.h>
 
 #if LONG_PRESS_POWER_ON
 #include <shutdown_detect.h>
@@ -516,3 +517,8 @@ uint32_t target_get_hlos_subtype()
 {
 	return board_hlos_subtype();
 }
+
+uint32_t target_get_pmic()
+{
+	return PMIC_IS_PM8916;
+}
diff --git a/target/msm8916/rules.mk b/target/msm8916/rules.mk
@@ -21,6 +21,7 @@ MODULES += \
 	lib/ptable \
 	dev/pmic/pm8x41 \
 	lib/libfdt \
+	dev/pmic/pmi8994 \
 	dev/gcdb/display
 
 DEFINES += \

diff --git a/target/msm8952/init.c b/target/msm8952/init.c
@@ -56,6 +56,7 @@
 #include <clock.h>
 #include <secapp_loader.h>
 #include <rpmb.h>
+#include <smem.h>
 
 #include "target/display.h"
 
@@ -670,3 +671,8 @@ void target_crypto_init_params()
 
 	crypto_init_params(&ce_params);
 }
+
+uint32_t target_get_pmic()
+{
+	return PMIC_IS_PMI8950;
+}
diff --git a/target/msm8974/init.c b/target/msm8974/init.c
@@ -826,3 +826,8 @@ void target_usb_phy_mux_configure(void)
 		tcsr_hs_phy_mux_configure();
 	}
 }
+
+uint32_t target_get_pmic()
+{
+	return PMIC_IS_PM8941;
+}
diff --git a/target/msm8974/rules.mk b/target/msm8974/rules.mk
@@ -23,6 +23,7 @@ MODULES += \
 	dev/keys \
 	dev/pmic/pm8x41 \
 	dev/gcdb/display \
+	dev/pmic/pmi8994 \
     lib/ptable \
     lib/libfdt
 

diff --git a/target/msm8994/init.c b/target/msm8994/init.c
@@ -583,3 +583,8 @@ uint32_t target_ddr_cfg_val()
 {
 	return DDR_CFG_DLY_VAL;
 }
+
+uint32_t target_get_pmic()
+{
+	return PMIC_IS_PMI8994;
+}
diff --git a/target/msm8994/rules.mk b/target/msm8994/rules.mk
@@ -30,6 +30,7 @@ MODULES += \
 	dev/qpnp_led \
     lib/ptable \
 	dev/gcdb/display \
+	dev/pmic/pmi8994 \
     lib/libfdt
 
 DEFINES += \

diff --git a/target/msm8996/init.c b/target/msm8996/init.c
@@ -508,3 +508,8 @@ void shutdown_device()
 
 	ASSERT(0);
 }
+
+uint32_t target_get_pmic()
+{
+	return PMIC_IS_PMI8996;
+}