Terra: add battery information

Terra 12 and Terra 13 use different batterys,
terra 12 use 2 series battery,
terra 13 use 3 series battery,
and we can know the battery type from battery manufacture name.

BUG=None
BRANCH=firmware-strago-7287.B
TEST=Check the EC console output message

Change-Id: Id6702d8bb208f0e8f699e3cd66466b6b05865d3b
Signed-off-by: james_chao <james_chao@asus.com>
Reviewed-on: https://chromium-review.googlesource.com/316371
Reviewed-by: Shawn N <shawnn@chromium.org>

1 files changed, 75 insertions, 6 deletions

diff --git a/board/terra/battery.c b/board/terra/battery.c
index 43fa956ced..120ebe6bc3 100644
--- a/board/terra/battery.c
+++ b/board/terra/battery.c
@@ -7,26 +7,95 @@
 
 #include "battery.h"
 #include "battery_smart.h"
+#include "console.h"
+
+#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args)
 
 /* Shutdown mode parameter to write to manufacturer access register */
 #define SB_SHUTDOWN_DATA	0x0010
 
-static const struct battery_info info = {
+enum BatterySeries {
+	UNKNOWN,
+	SERIES_2,
+	SERIES_3,
+};
+
+static enum BatterySeries series;
+
+static const struct battery_info info_prechg = {
+	.voltage_max = 8700,/* mV */
+	.voltage_normal = 8400,
+	.voltage_min = 6000,
+	.precharge_current = 256,/* mA */
+	.start_charging_min_c = 0,
+	.start_charging_max_c = 55,
+	.charging_min_c = 0,
+	.charging_max_c = 55,
+	.discharging_min_c = 0,
+	.discharging_max_c = 60,
+};
+
+static const struct battery_info info_2s = {
 	.voltage_max = 8700,/* mV */
 	.voltage_normal = 7600,
 	.voltage_min = 6000,
-	.precharge_current = 150,/* mA */
+	.precharge_current = 256,/* mA */
+	.start_charging_min_c = 0,
+	.start_charging_max_c = 55,
+	.charging_min_c = 0,
+	.charging_max_c = 55,
+	.discharging_min_c = 0,
+	.discharging_max_c = 60,
+};
+
+static const struct battery_info info_3s = {
+	.voltage_max = 13050,/* mV */
+	.voltage_normal = 11400,
+	.voltage_min = 9000,
+	.precharge_current = 256,/* mA */
 	.start_charging_min_c = 0,
-	.start_charging_max_c = 45,
+	.start_charging_max_c = 55,
 	.charging_min_c = 0,
-	.charging_max_c = 45,
-	.discharging_min_c = -20,
+	.charging_max_c = 55,
+	.discharging_min_c = 0,
 	.discharging_max_c = 60,
 };
 
 const struct battery_info *battery_get_info(void)
 {
-	return &info;
+	const struct battery_info *ret = &info_prechg;
+
+	if (series == UNKNOWN) {
+		char manuf[11];
+
+		if (!battery_manufacturer_name(manuf, sizeof(manuf))) {
+			if (manuf[9] == 'A') {
+				CPRINTS("2s battery");
+				series = SERIES_2;
+			} else if (manuf[9] == 'B') {
+				CPRINTS("3s battery");
+				series = SERIES_3;
+			} else {
+				CPRINTS("unknown battery");
+			}
+		} else {
+			CPRINTS("read manufacture name error");
+		}
+	}
+
+	switch (series) {
+	case UNKNOWN:
+		ret = &info_prechg;
+		break;
+	case SERIES_2:
+		ret = &info_2s;
+		break;
+	case SERIES_3:
+		ret = &info_3s;
+		break;
+	}
+
+	return ret;
 }
 
 int board_cut_off_battery(void)